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7#include <linux/moduleparam.h>
8#include <linux/slab.h>
9#include <linux/blkdev.h>
10#include <linux/iscsi_boot_sysfs.h>
11#include <linux/inet.h>
12
13#include <scsi/scsi_tcq.h>
14#include <scsi/scsicam.h>
15
16#include "ql4_def.h"
17#include "ql4_version.h"
18#include "ql4_glbl.h"
19#include "ql4_dbg.h"
20#include "ql4_inline.h"
21#include "ql4_83xx.h"
22
23
24
25
26static char qla4xxx_version_str[40];
27
28
29
30
31static struct kmem_cache *srb_cachep;
32
33
34
35
36static int ql4xdisablesysfsboot = 1;
37module_param(ql4xdisablesysfsboot, int, S_IRUGO | S_IWUSR);
38MODULE_PARM_DESC(ql4xdisablesysfsboot,
39 " Set to disable exporting boot targets to sysfs.\n"
40 "\t\t 0 - Export boot targets\n"
41 "\t\t 1 - Do not export boot targets (Default)");
42
43int ql4xdontresethba;
44module_param(ql4xdontresethba, int, S_IRUGO | S_IWUSR);
45MODULE_PARM_DESC(ql4xdontresethba,
46 " Don't reset the HBA for driver recovery.\n"
47 "\t\t 0 - It will reset HBA (Default)\n"
48 "\t\t 1 - It will NOT reset HBA");
49
50int ql4xextended_error_logging;
51module_param(ql4xextended_error_logging, int, S_IRUGO | S_IWUSR);
52MODULE_PARM_DESC(ql4xextended_error_logging,
53 " Option to enable extended error logging.\n"
54 "\t\t 0 - no logging (Default)\n"
55 "\t\t 2 - debug logging");
56
57int ql4xenablemsix = 1;
58module_param(ql4xenablemsix, int, S_IRUGO|S_IWUSR);
59MODULE_PARM_DESC(ql4xenablemsix,
60 " Set to enable MSI or MSI-X interrupt mechanism.\n"
61 "\t\t 0 = enable INTx interrupt mechanism.\n"
62 "\t\t 1 = enable MSI-X interrupt mechanism (Default).\n"
63 "\t\t 2 = enable MSI interrupt mechanism.");
64
65#define QL4_DEF_QDEPTH 32
66static int ql4xmaxqdepth = QL4_DEF_QDEPTH;
67module_param(ql4xmaxqdepth, int, S_IRUGO | S_IWUSR);
68MODULE_PARM_DESC(ql4xmaxqdepth,
69 " Maximum queue depth to report for target devices.\n"
70 "\t\t Default: 32.");
71
72static int ql4xqfulltracking = 1;
73module_param(ql4xqfulltracking, int, S_IRUGO | S_IWUSR);
74MODULE_PARM_DESC(ql4xqfulltracking,
75 " Enable or disable dynamic tracking and adjustment of\n"
76 "\t\t scsi device queue depth.\n"
77 "\t\t 0 - Disable.\n"
78 "\t\t 1 - Enable. (Default)");
79
80static int ql4xsess_recovery_tmo = QL4_SESS_RECOVERY_TMO;
81module_param(ql4xsess_recovery_tmo, int, S_IRUGO);
82MODULE_PARM_DESC(ql4xsess_recovery_tmo,
83 " Target Session Recovery Timeout.\n"
84 "\t\t Default: 120 sec.");
85
86int ql4xmdcapmask = 0;
87module_param(ql4xmdcapmask, int, S_IRUGO);
88MODULE_PARM_DESC(ql4xmdcapmask,
89 " Set the Minidump driver capture mask level.\n"
90 "\t\t Default is 0 (firmware default capture mask)\n"
91 "\t\t Can be set to 0x3, 0x7, 0xF, 0x1F, 0x3F, 0x7F, 0xFF");
92
93int ql4xenablemd = 1;
94module_param(ql4xenablemd, int, S_IRUGO | S_IWUSR);
95MODULE_PARM_DESC(ql4xenablemd,
96 " Set to enable minidump.\n"
97 "\t\t 0 - disable minidump\n"
98 "\t\t 1 - enable minidump (Default)");
99
100static int qla4xxx_wait_for_hba_online(struct scsi_qla_host *ha);
101
102
103
104static void qla4xxx_config_dma_addressing(struct scsi_qla_host *ha);
105
106
107
108
109static int qla4xxx_session_get_param(struct iscsi_cls_session *cls_sess,
110 enum iscsi_param param, char *buf);
111static int qla4xxx_conn_get_param(struct iscsi_cls_conn *conn,
112 enum iscsi_param param, char *buf);
113static int qla4xxx_host_get_param(struct Scsi_Host *shost,
114 enum iscsi_host_param param, char *buf);
115static int qla4xxx_iface_set_param(struct Scsi_Host *shost, void *data,
116 uint32_t len);
117static int qla4xxx_get_iface_param(struct iscsi_iface *iface,
118 enum iscsi_param_type param_type,
119 int param, char *buf);
120static enum blk_eh_timer_return qla4xxx_eh_cmd_timed_out(struct scsi_cmnd *sc);
121static struct iscsi_endpoint *qla4xxx_ep_connect(struct Scsi_Host *shost,
122 struct sockaddr *dst_addr,
123 int non_blocking);
124static int qla4xxx_ep_poll(struct iscsi_endpoint *ep, int timeout_ms);
125static void qla4xxx_ep_disconnect(struct iscsi_endpoint *ep);
126static int qla4xxx_get_ep_param(struct iscsi_endpoint *ep,
127 enum iscsi_param param, char *buf);
128static int qla4xxx_conn_start(struct iscsi_cls_conn *conn);
129static struct iscsi_cls_conn *
130qla4xxx_conn_create(struct iscsi_cls_session *cls_sess, uint32_t conn_idx);
131static int qla4xxx_conn_bind(struct iscsi_cls_session *cls_session,
132 struct iscsi_cls_conn *cls_conn,
133 uint64_t transport_fd, int is_leading);
134static void qla4xxx_conn_destroy(struct iscsi_cls_conn *conn);
135static struct iscsi_cls_session *
136qla4xxx_session_create(struct iscsi_endpoint *ep, uint16_t cmds_max,
137 uint16_t qdepth, uint32_t initial_cmdsn);
138static void qla4xxx_session_destroy(struct iscsi_cls_session *sess);
139static void qla4xxx_task_work(struct work_struct *wdata);
140static int qla4xxx_alloc_pdu(struct iscsi_task *, uint8_t);
141static int qla4xxx_task_xmit(struct iscsi_task *);
142static void qla4xxx_task_cleanup(struct iscsi_task *);
143static void qla4xxx_fail_session(struct iscsi_cls_session *cls_session);
144static void qla4xxx_conn_get_stats(struct iscsi_cls_conn *cls_conn,
145 struct iscsi_stats *stats);
146static int qla4xxx_send_ping(struct Scsi_Host *shost, uint32_t iface_num,
147 uint32_t iface_type, uint32_t payload_size,
148 uint32_t pid, struct sockaddr *dst_addr);
149static int qla4xxx_get_chap_list(struct Scsi_Host *shost, uint16_t chap_tbl_idx,
150 uint32_t *num_entries, char *buf);
151static int qla4xxx_delete_chap(struct Scsi_Host *shost, uint16_t chap_tbl_idx);
152static int qla4xxx_set_chap_entry(struct Scsi_Host *shost, void *data,
153 int len);
154static int qla4xxx_get_host_stats(struct Scsi_Host *shost, char *buf, int len);
155
156
157
158
159static int qla4xxx_queuecommand(struct Scsi_Host *h, struct scsi_cmnd *cmd);
160static int qla4xxx_eh_abort(struct scsi_cmnd *cmd);
161static int qla4xxx_eh_device_reset(struct scsi_cmnd *cmd);
162static int qla4xxx_eh_target_reset(struct scsi_cmnd *cmd);
163static int qla4xxx_eh_host_reset(struct scsi_cmnd *cmd);
164static int qla4xxx_slave_alloc(struct scsi_device *device);
165static int qla4xxx_slave_configure(struct scsi_device *device);
166static void qla4xxx_slave_destroy(struct scsi_device *sdev);
167static umode_t qla4_attr_is_visible(int param_type, int param);
168static int qla4xxx_host_reset(struct Scsi_Host *shost, int reset_type);
169static int qla4xxx_change_queue_depth(struct scsi_device *sdev, int qdepth,
170 int reason);
171
172
173
174
175static int
176qla4xxx_sysfs_ddb_set_param(struct iscsi_bus_flash_session *fnode_sess,
177 struct iscsi_bus_flash_conn *fnode_conn,
178 void *data, int len);
179static int
180qla4xxx_sysfs_ddb_get_param(struct iscsi_bus_flash_session *fnode_sess,
181 int param, char *buf);
182static int qla4xxx_sysfs_ddb_add(struct Scsi_Host *shost, const char *buf,
183 int len);
184static int
185qla4xxx_sysfs_ddb_delete(struct iscsi_bus_flash_session *fnode_sess);
186static int qla4xxx_sysfs_ddb_login(struct iscsi_bus_flash_session *fnode_sess,
187 struct iscsi_bus_flash_conn *fnode_conn);
188static int qla4xxx_sysfs_ddb_logout(struct iscsi_bus_flash_session *fnode_sess,
189 struct iscsi_bus_flash_conn *fnode_conn);
190static int qla4xxx_sysfs_ddb_logout_sid(struct iscsi_cls_session *cls_sess);
191
192static struct qla4_8xxx_legacy_intr_set legacy_intr[] =
193 QLA82XX_LEGACY_INTR_CONFIG;
194
195static struct scsi_host_template qla4xxx_driver_template = {
196 .module = THIS_MODULE,
197 .name = DRIVER_NAME,
198 .proc_name = DRIVER_NAME,
199 .queuecommand = qla4xxx_queuecommand,
200
201 .eh_abort_handler = qla4xxx_eh_abort,
202 .eh_device_reset_handler = qla4xxx_eh_device_reset,
203 .eh_target_reset_handler = qla4xxx_eh_target_reset,
204 .eh_host_reset_handler = qla4xxx_eh_host_reset,
205 .eh_timed_out = qla4xxx_eh_cmd_timed_out,
206
207 .slave_configure = qla4xxx_slave_configure,
208 .slave_alloc = qla4xxx_slave_alloc,
209 .slave_destroy = qla4xxx_slave_destroy,
210 .change_queue_depth = qla4xxx_change_queue_depth,
211
212 .this_id = -1,
213 .cmd_per_lun = 3,
214 .use_clustering = ENABLE_CLUSTERING,
215 .sg_tablesize = SG_ALL,
216
217 .max_sectors = 0xFFFF,
218 .shost_attrs = qla4xxx_host_attrs,
219 .host_reset = qla4xxx_host_reset,
220 .vendor_id = SCSI_NL_VID_TYPE_PCI | PCI_VENDOR_ID_QLOGIC,
221};
222
223static struct iscsi_transport qla4xxx_iscsi_transport = {
224 .owner = THIS_MODULE,
225 .name = DRIVER_NAME,
226 .caps = CAP_TEXT_NEGO |
227 CAP_DATA_PATH_OFFLOAD | CAP_HDRDGST |
228 CAP_DATADGST | CAP_LOGIN_OFFLOAD |
229 CAP_MULTI_R2T,
230 .attr_is_visible = qla4_attr_is_visible,
231 .create_session = qla4xxx_session_create,
232 .destroy_session = qla4xxx_session_destroy,
233 .start_conn = qla4xxx_conn_start,
234 .create_conn = qla4xxx_conn_create,
235 .bind_conn = qla4xxx_conn_bind,
236 .stop_conn = iscsi_conn_stop,
237 .destroy_conn = qla4xxx_conn_destroy,
238 .set_param = iscsi_set_param,
239 .get_conn_param = qla4xxx_conn_get_param,
240 .get_session_param = qla4xxx_session_get_param,
241 .get_ep_param = qla4xxx_get_ep_param,
242 .ep_connect = qla4xxx_ep_connect,
243 .ep_poll = qla4xxx_ep_poll,
244 .ep_disconnect = qla4xxx_ep_disconnect,
245 .get_stats = qla4xxx_conn_get_stats,
246 .send_pdu = iscsi_conn_send_pdu,
247 .xmit_task = qla4xxx_task_xmit,
248 .cleanup_task = qla4xxx_task_cleanup,
249 .alloc_pdu = qla4xxx_alloc_pdu,
250
251 .get_host_param = qla4xxx_host_get_param,
252 .set_iface_param = qla4xxx_iface_set_param,
253 .get_iface_param = qla4xxx_get_iface_param,
254 .bsg_request = qla4xxx_bsg_request,
255 .send_ping = qla4xxx_send_ping,
256 .get_chap = qla4xxx_get_chap_list,
257 .delete_chap = qla4xxx_delete_chap,
258 .set_chap = qla4xxx_set_chap_entry,
259 .get_flashnode_param = qla4xxx_sysfs_ddb_get_param,
260 .set_flashnode_param = qla4xxx_sysfs_ddb_set_param,
261 .new_flashnode = qla4xxx_sysfs_ddb_add,
262 .del_flashnode = qla4xxx_sysfs_ddb_delete,
263 .login_flashnode = qla4xxx_sysfs_ddb_login,
264 .logout_flashnode = qla4xxx_sysfs_ddb_logout,
265 .logout_flashnode_sid = qla4xxx_sysfs_ddb_logout_sid,
266 .get_host_stats = qla4xxx_get_host_stats,
267};
268
269static struct scsi_transport_template *qla4xxx_scsi_transport;
270
271static int qla4xxx_isp_check_reg(struct scsi_qla_host *ha)
272{
273 uint32_t reg_val = 0;
274 int rval = QLA_SUCCESS;
275
276 if (is_qla8022(ha))
277 reg_val = readl(&ha->qla4_82xx_reg->host_status);
278 else if (is_qla8032(ha) || is_qla8042(ha))
279 reg_val = qla4_8xxx_rd_direct(ha, QLA8XXX_PEG_ALIVE_COUNTER);
280 else
281 reg_val = readw(&ha->reg->ctrl_status);
282
283 if (reg_val == QL4_ISP_REG_DISCONNECT)
284 rval = QLA_ERROR;
285
286 return rval;
287}
288
289static int qla4xxx_send_ping(struct Scsi_Host *shost, uint32_t iface_num,
290 uint32_t iface_type, uint32_t payload_size,
291 uint32_t pid, struct sockaddr *dst_addr)
292{
293 struct scsi_qla_host *ha = to_qla_host(shost);
294 struct sockaddr_in *addr;
295 struct sockaddr_in6 *addr6;
296 uint32_t options = 0;
297 uint8_t ipaddr[IPv6_ADDR_LEN];
298 int rval;
299
300 memset(ipaddr, 0, IPv6_ADDR_LEN);
301
302 if ((iface_type == ISCSI_IFACE_TYPE_IPV4) &&
303 (dst_addr->sa_family == AF_INET)) {
304 addr = (struct sockaddr_in *)dst_addr;
305 memcpy(ipaddr, &addr->sin_addr.s_addr, IP_ADDR_LEN);
306 DEBUG2(ql4_printk(KERN_INFO, ha, "%s: IPv4 Ping src: %pI4 "
307 "dest: %pI4\n", __func__,
308 &ha->ip_config.ip_address, ipaddr));
309 rval = qla4xxx_ping_iocb(ha, options, payload_size, pid,
310 ipaddr);
311 if (rval)
312 rval = -EINVAL;
313 } else if ((iface_type == ISCSI_IFACE_TYPE_IPV6) &&
314 (dst_addr->sa_family == AF_INET6)) {
315
316 addr6 = (struct sockaddr_in6 *)dst_addr;
317 memcpy(ipaddr, &addr6->sin6_addr.in6_u.u6_addr8, IPv6_ADDR_LEN);
318
319 options |= PING_IPV6_PROTOCOL_ENABLE;
320
321
322 if ((iface_num == 0) || (iface_num == 1)) {
323 DEBUG2(ql4_printk(KERN_INFO, ha, "%s: LinkLocal Ping "
324 "src: %pI6 dest: %pI6\n", __func__,
325 &ha->ip_config.ipv6_link_local_addr,
326 ipaddr));
327 options |= PING_IPV6_LINKLOCAL_ADDR;
328 rval = qla4xxx_ping_iocb(ha, options, payload_size,
329 pid, ipaddr);
330 } else {
331 ql4_printk(KERN_WARNING, ha, "%s: iface num = %d "
332 "not supported\n", __func__, iface_num);
333 rval = -ENOSYS;
334 goto exit_send_ping;
335 }
336
337
338
339
340
341 if (rval != QLA_SUCCESS) {
342 options &= ~PING_IPV6_LINKLOCAL_ADDR;
343 if (iface_num == 0) {
344 options |= PING_IPV6_ADDR0;
345 DEBUG2(ql4_printk(KERN_INFO, ha, "%s: IPv6 "
346 "Ping src: %pI6 "
347 "dest: %pI6\n", __func__,
348 &ha->ip_config.ipv6_addr0,
349 ipaddr));
350 } else if (iface_num == 1) {
351 options |= PING_IPV6_ADDR1;
352 DEBUG2(ql4_printk(KERN_INFO, ha, "%s: IPv6 "
353 "Ping src: %pI6 "
354 "dest: %pI6\n", __func__,
355 &ha->ip_config.ipv6_addr1,
356 ipaddr));
357 }
358 rval = qla4xxx_ping_iocb(ha, options, payload_size,
359 pid, ipaddr);
360 if (rval)
361 rval = -EINVAL;
362 }
363 } else
364 rval = -ENOSYS;
365exit_send_ping:
366 return rval;
367}
368
369static umode_t qla4_attr_is_visible(int param_type, int param)
370{
371 switch (param_type) {
372 case ISCSI_HOST_PARAM:
373 switch (param) {
374 case ISCSI_HOST_PARAM_HWADDRESS:
375 case ISCSI_HOST_PARAM_IPADDRESS:
376 case ISCSI_HOST_PARAM_INITIATOR_NAME:
377 case ISCSI_HOST_PARAM_PORT_STATE:
378 case ISCSI_HOST_PARAM_PORT_SPEED:
379 return S_IRUGO;
380 default:
381 return 0;
382 }
383 case ISCSI_PARAM:
384 switch (param) {
385 case ISCSI_PARAM_PERSISTENT_ADDRESS:
386 case ISCSI_PARAM_PERSISTENT_PORT:
387 case ISCSI_PARAM_CONN_ADDRESS:
388 case ISCSI_PARAM_CONN_PORT:
389 case ISCSI_PARAM_TARGET_NAME:
390 case ISCSI_PARAM_TPGT:
391 case ISCSI_PARAM_TARGET_ALIAS:
392 case ISCSI_PARAM_MAX_BURST:
393 case ISCSI_PARAM_MAX_R2T:
394 case ISCSI_PARAM_FIRST_BURST:
395 case ISCSI_PARAM_MAX_RECV_DLENGTH:
396 case ISCSI_PARAM_MAX_XMIT_DLENGTH:
397 case ISCSI_PARAM_IFACE_NAME:
398 case ISCSI_PARAM_CHAP_OUT_IDX:
399 case ISCSI_PARAM_CHAP_IN_IDX:
400 case ISCSI_PARAM_USERNAME:
401 case ISCSI_PARAM_PASSWORD:
402 case ISCSI_PARAM_USERNAME_IN:
403 case ISCSI_PARAM_PASSWORD_IN:
404 case ISCSI_PARAM_AUTO_SND_TGT_DISABLE:
405 case ISCSI_PARAM_DISCOVERY_SESS:
406 case ISCSI_PARAM_PORTAL_TYPE:
407 case ISCSI_PARAM_CHAP_AUTH_EN:
408 case ISCSI_PARAM_DISCOVERY_LOGOUT_EN:
409 case ISCSI_PARAM_BIDI_CHAP_EN:
410 case ISCSI_PARAM_DISCOVERY_AUTH_OPTIONAL:
411 case ISCSI_PARAM_DEF_TIME2WAIT:
412 case ISCSI_PARAM_DEF_TIME2RETAIN:
413 case ISCSI_PARAM_HDRDGST_EN:
414 case ISCSI_PARAM_DATADGST_EN:
415 case ISCSI_PARAM_INITIAL_R2T_EN:
416 case ISCSI_PARAM_IMM_DATA_EN:
417 case ISCSI_PARAM_PDU_INORDER_EN:
418 case ISCSI_PARAM_DATASEQ_INORDER_EN:
419 case ISCSI_PARAM_MAX_SEGMENT_SIZE:
420 case ISCSI_PARAM_TCP_TIMESTAMP_STAT:
421 case ISCSI_PARAM_TCP_WSF_DISABLE:
422 case ISCSI_PARAM_TCP_NAGLE_DISABLE:
423 case ISCSI_PARAM_TCP_TIMER_SCALE:
424 case ISCSI_PARAM_TCP_TIMESTAMP_EN:
425 case ISCSI_PARAM_TCP_XMIT_WSF:
426 case ISCSI_PARAM_TCP_RECV_WSF:
427 case ISCSI_PARAM_IP_FRAGMENT_DISABLE:
428 case ISCSI_PARAM_IPV4_TOS:
429 case ISCSI_PARAM_IPV6_TC:
430 case ISCSI_PARAM_IPV6_FLOW_LABEL:
431 case ISCSI_PARAM_IS_FW_ASSIGNED_IPV6:
432 case ISCSI_PARAM_KEEPALIVE_TMO:
433 case ISCSI_PARAM_LOCAL_PORT:
434 case ISCSI_PARAM_ISID:
435 case ISCSI_PARAM_TSID:
436 case ISCSI_PARAM_DEF_TASKMGMT_TMO:
437 case ISCSI_PARAM_ERL:
438 case ISCSI_PARAM_STATSN:
439 case ISCSI_PARAM_EXP_STATSN:
440 case ISCSI_PARAM_DISCOVERY_PARENT_IDX:
441 case ISCSI_PARAM_DISCOVERY_PARENT_TYPE:
442 case ISCSI_PARAM_LOCAL_IPADDR:
443 return S_IRUGO;
444 default:
445 return 0;
446 }
447 case ISCSI_NET_PARAM:
448 switch (param) {
449 case ISCSI_NET_PARAM_IPV4_ADDR:
450 case ISCSI_NET_PARAM_IPV4_SUBNET:
451 case ISCSI_NET_PARAM_IPV4_GW:
452 case ISCSI_NET_PARAM_IPV4_BOOTPROTO:
453 case ISCSI_NET_PARAM_IFACE_ENABLE:
454 case ISCSI_NET_PARAM_IPV6_LINKLOCAL:
455 case ISCSI_NET_PARAM_IPV6_ADDR:
456 case ISCSI_NET_PARAM_IPV6_ROUTER:
457 case ISCSI_NET_PARAM_IPV6_ADDR_AUTOCFG:
458 case ISCSI_NET_PARAM_IPV6_LINKLOCAL_AUTOCFG:
459 case ISCSI_NET_PARAM_VLAN_ID:
460 case ISCSI_NET_PARAM_VLAN_PRIORITY:
461 case ISCSI_NET_PARAM_VLAN_ENABLED:
462 case ISCSI_NET_PARAM_MTU:
463 case ISCSI_NET_PARAM_PORT:
464 case ISCSI_NET_PARAM_IPADDR_STATE:
465 case ISCSI_NET_PARAM_IPV6_LINKLOCAL_STATE:
466 case ISCSI_NET_PARAM_IPV6_ROUTER_STATE:
467 case ISCSI_NET_PARAM_DELAYED_ACK_EN:
468 case ISCSI_NET_PARAM_TCP_NAGLE_DISABLE:
469 case ISCSI_NET_PARAM_TCP_WSF_DISABLE:
470 case ISCSI_NET_PARAM_TCP_WSF:
471 case ISCSI_NET_PARAM_TCP_TIMER_SCALE:
472 case ISCSI_NET_PARAM_TCP_TIMESTAMP_EN:
473 case ISCSI_NET_PARAM_CACHE_ID:
474 case ISCSI_NET_PARAM_IPV4_DHCP_DNS_ADDR_EN:
475 case ISCSI_NET_PARAM_IPV4_DHCP_SLP_DA_EN:
476 case ISCSI_NET_PARAM_IPV4_TOS_EN:
477 case ISCSI_NET_PARAM_IPV4_TOS:
478 case ISCSI_NET_PARAM_IPV4_GRAT_ARP_EN:
479 case ISCSI_NET_PARAM_IPV4_DHCP_ALT_CLIENT_ID_EN:
480 case ISCSI_NET_PARAM_IPV4_DHCP_ALT_CLIENT_ID:
481 case ISCSI_NET_PARAM_IPV4_DHCP_REQ_VENDOR_ID_EN:
482 case ISCSI_NET_PARAM_IPV4_DHCP_USE_VENDOR_ID_EN:
483 case ISCSI_NET_PARAM_IPV4_DHCP_VENDOR_ID:
484 case ISCSI_NET_PARAM_IPV4_DHCP_LEARN_IQN_EN:
485 case ISCSI_NET_PARAM_IPV4_FRAGMENT_DISABLE:
486 case ISCSI_NET_PARAM_IPV4_IN_FORWARD_EN:
487 case ISCSI_NET_PARAM_REDIRECT_EN:
488 case ISCSI_NET_PARAM_IPV4_TTL:
489 case ISCSI_NET_PARAM_IPV6_GRAT_NEIGHBOR_ADV_EN:
490 case ISCSI_NET_PARAM_IPV6_MLD_EN:
491 case ISCSI_NET_PARAM_IPV6_FLOW_LABEL:
492 case ISCSI_NET_PARAM_IPV6_TRAFFIC_CLASS:
493 case ISCSI_NET_PARAM_IPV6_HOP_LIMIT:
494 case ISCSI_NET_PARAM_IPV6_ND_REACHABLE_TMO:
495 case ISCSI_NET_PARAM_IPV6_ND_REXMIT_TIME:
496 case ISCSI_NET_PARAM_IPV6_ND_STALE_TMO:
497 case ISCSI_NET_PARAM_IPV6_DUP_ADDR_DETECT_CNT:
498 case ISCSI_NET_PARAM_IPV6_RTR_ADV_LINK_MTU:
499 return S_IRUGO;
500 default:
501 return 0;
502 }
503 case ISCSI_IFACE_PARAM:
504 switch (param) {
505 case ISCSI_IFACE_PARAM_DEF_TASKMGMT_TMO:
506 case ISCSI_IFACE_PARAM_HDRDGST_EN:
507 case ISCSI_IFACE_PARAM_DATADGST_EN:
508 case ISCSI_IFACE_PARAM_IMM_DATA_EN:
509 case ISCSI_IFACE_PARAM_INITIAL_R2T_EN:
510 case ISCSI_IFACE_PARAM_DATASEQ_INORDER_EN:
511 case ISCSI_IFACE_PARAM_PDU_INORDER_EN:
512 case ISCSI_IFACE_PARAM_ERL:
513 case ISCSI_IFACE_PARAM_MAX_RECV_DLENGTH:
514 case ISCSI_IFACE_PARAM_FIRST_BURST:
515 case ISCSI_IFACE_PARAM_MAX_R2T:
516 case ISCSI_IFACE_PARAM_MAX_BURST:
517 case ISCSI_IFACE_PARAM_CHAP_AUTH_EN:
518 case ISCSI_IFACE_PARAM_BIDI_CHAP_EN:
519 case ISCSI_IFACE_PARAM_DISCOVERY_AUTH_OPTIONAL:
520 case ISCSI_IFACE_PARAM_DISCOVERY_LOGOUT_EN:
521 case ISCSI_IFACE_PARAM_STRICT_LOGIN_COMP_EN:
522 case ISCSI_IFACE_PARAM_INITIATOR_NAME:
523 return S_IRUGO;
524 default:
525 return 0;
526 }
527 case ISCSI_FLASHNODE_PARAM:
528 switch (param) {
529 case ISCSI_FLASHNODE_IS_FW_ASSIGNED_IPV6:
530 case ISCSI_FLASHNODE_PORTAL_TYPE:
531 case ISCSI_FLASHNODE_AUTO_SND_TGT_DISABLE:
532 case ISCSI_FLASHNODE_DISCOVERY_SESS:
533 case ISCSI_FLASHNODE_ENTRY_EN:
534 case ISCSI_FLASHNODE_HDR_DGST_EN:
535 case ISCSI_FLASHNODE_DATA_DGST_EN:
536 case ISCSI_FLASHNODE_IMM_DATA_EN:
537 case ISCSI_FLASHNODE_INITIAL_R2T_EN:
538 case ISCSI_FLASHNODE_DATASEQ_INORDER:
539 case ISCSI_FLASHNODE_PDU_INORDER:
540 case ISCSI_FLASHNODE_CHAP_AUTH_EN:
541 case ISCSI_FLASHNODE_SNACK_REQ_EN:
542 case ISCSI_FLASHNODE_DISCOVERY_LOGOUT_EN:
543 case ISCSI_FLASHNODE_BIDI_CHAP_EN:
544 case ISCSI_FLASHNODE_DISCOVERY_AUTH_OPTIONAL:
545 case ISCSI_FLASHNODE_ERL:
546 case ISCSI_FLASHNODE_TCP_TIMESTAMP_STAT:
547 case ISCSI_FLASHNODE_TCP_NAGLE_DISABLE:
548 case ISCSI_FLASHNODE_TCP_WSF_DISABLE:
549 case ISCSI_FLASHNODE_TCP_TIMER_SCALE:
550 case ISCSI_FLASHNODE_TCP_TIMESTAMP_EN:
551 case ISCSI_FLASHNODE_IP_FRAG_DISABLE:
552 case ISCSI_FLASHNODE_MAX_RECV_DLENGTH:
553 case ISCSI_FLASHNODE_MAX_XMIT_DLENGTH:
554 case ISCSI_FLASHNODE_FIRST_BURST:
555 case ISCSI_FLASHNODE_DEF_TIME2WAIT:
556 case ISCSI_FLASHNODE_DEF_TIME2RETAIN:
557 case ISCSI_FLASHNODE_MAX_R2T:
558 case ISCSI_FLASHNODE_KEEPALIVE_TMO:
559 case ISCSI_FLASHNODE_ISID:
560 case ISCSI_FLASHNODE_TSID:
561 case ISCSI_FLASHNODE_PORT:
562 case ISCSI_FLASHNODE_MAX_BURST:
563 case ISCSI_FLASHNODE_DEF_TASKMGMT_TMO:
564 case ISCSI_FLASHNODE_IPADDR:
565 case ISCSI_FLASHNODE_ALIAS:
566 case ISCSI_FLASHNODE_REDIRECT_IPADDR:
567 case ISCSI_FLASHNODE_MAX_SEGMENT_SIZE:
568 case ISCSI_FLASHNODE_LOCAL_PORT:
569 case ISCSI_FLASHNODE_IPV4_TOS:
570 case ISCSI_FLASHNODE_IPV6_TC:
571 case ISCSI_FLASHNODE_IPV6_FLOW_LABEL:
572 case ISCSI_FLASHNODE_NAME:
573 case ISCSI_FLASHNODE_TPGT:
574 case ISCSI_FLASHNODE_LINK_LOCAL_IPV6:
575 case ISCSI_FLASHNODE_DISCOVERY_PARENT_IDX:
576 case ISCSI_FLASHNODE_DISCOVERY_PARENT_TYPE:
577 case ISCSI_FLASHNODE_TCP_XMIT_WSF:
578 case ISCSI_FLASHNODE_TCP_RECV_WSF:
579 case ISCSI_FLASHNODE_CHAP_OUT_IDX:
580 case ISCSI_FLASHNODE_USERNAME:
581 case ISCSI_FLASHNODE_PASSWORD:
582 case ISCSI_FLASHNODE_STATSN:
583 case ISCSI_FLASHNODE_EXP_STATSN:
584 case ISCSI_FLASHNODE_IS_BOOT_TGT:
585 return S_IRUGO;
586 default:
587 return 0;
588 }
589 }
590
591 return 0;
592}
593
594
595
596
597
598
599
600
601
602
603
604static void qla4xxx_create_chap_list(struct scsi_qla_host *ha)
605{
606 int rval = 0;
607 uint8_t *chap_flash_data = NULL;
608 uint32_t offset;
609 dma_addr_t chap_dma;
610 uint32_t chap_size = 0;
611
612 if (is_qla40XX(ha))
613 chap_size = MAX_CHAP_ENTRIES_40XX *
614 sizeof(struct ql4_chap_table);
615 else
616
617
618 chap_size = ha->hw.flt_chap_size / 2;
619
620 chap_flash_data = dma_alloc_coherent(&ha->pdev->dev, chap_size,
621 &chap_dma, GFP_KERNEL);
622 if (!chap_flash_data) {
623 ql4_printk(KERN_ERR, ha, "No memory for chap_flash_data\n");
624 return;
625 }
626
627 if (is_qla40XX(ha)) {
628 offset = FLASH_CHAP_OFFSET;
629 } else {
630 offset = FLASH_RAW_ACCESS_ADDR + (ha->hw.flt_region_chap << 2);
631 if (ha->port_num == 1)
632 offset += chap_size;
633 }
634
635 rval = qla4xxx_get_flash(ha, chap_dma, offset, chap_size);
636 if (rval != QLA_SUCCESS)
637 goto exit_chap_list;
638
639 if (ha->chap_list == NULL)
640 ha->chap_list = vmalloc(chap_size);
641 if (ha->chap_list == NULL) {
642 ql4_printk(KERN_ERR, ha, "No memory for ha->chap_list\n");
643 goto exit_chap_list;
644 }
645
646 memset(ha->chap_list, 0, chap_size);
647 memcpy(ha->chap_list, chap_flash_data, chap_size);
648
649exit_chap_list:
650 dma_free_coherent(&ha->pdev->dev, chap_size, chap_flash_data, chap_dma);
651}
652
653static int qla4xxx_get_chap_by_index(struct scsi_qla_host *ha,
654 int16_t chap_index,
655 struct ql4_chap_table **chap_entry)
656{
657 int rval = QLA_ERROR;
658 int max_chap_entries;
659
660 if (!ha->chap_list) {
661 ql4_printk(KERN_ERR, ha, "CHAP table cache is empty!\n");
662 rval = QLA_ERROR;
663 goto exit_get_chap;
664 }
665
666 if (is_qla80XX(ha))
667 max_chap_entries = (ha->hw.flt_chap_size / 2) /
668 sizeof(struct ql4_chap_table);
669 else
670 max_chap_entries = MAX_CHAP_ENTRIES_40XX;
671
672 if (chap_index > max_chap_entries) {
673 ql4_printk(KERN_ERR, ha, "Invalid Chap index\n");
674 rval = QLA_ERROR;
675 goto exit_get_chap;
676 }
677
678 *chap_entry = (struct ql4_chap_table *)ha->chap_list + chap_index;
679 if ((*chap_entry)->cookie !=
680 __constant_cpu_to_le16(CHAP_VALID_COOKIE)) {
681 rval = QLA_ERROR;
682 *chap_entry = NULL;
683 } else {
684 rval = QLA_SUCCESS;
685 }
686
687exit_get_chap:
688 return rval;
689}
690
691
692
693
694
695
696
697
698
699
700static int qla4xxx_find_free_chap_index(struct scsi_qla_host *ha,
701 uint16_t *chap_index)
702{
703 int i, rval;
704 int free_index = -1;
705 int max_chap_entries = 0;
706 struct ql4_chap_table *chap_table;
707
708 if (is_qla80XX(ha))
709 max_chap_entries = (ha->hw.flt_chap_size / 2) /
710 sizeof(struct ql4_chap_table);
711 else
712 max_chap_entries = MAX_CHAP_ENTRIES_40XX;
713
714 if (!ha->chap_list) {
715 ql4_printk(KERN_ERR, ha, "CHAP table cache is empty!\n");
716 rval = QLA_ERROR;
717 goto exit_find_chap;
718 }
719
720 for (i = 0; i < max_chap_entries; i++) {
721 chap_table = (struct ql4_chap_table *)ha->chap_list + i;
722
723 if ((chap_table->cookie !=
724 __constant_cpu_to_le16(CHAP_VALID_COOKIE)) &&
725 (i > MAX_RESRV_CHAP_IDX)) {
726 free_index = i;
727 break;
728 }
729 }
730
731 if (free_index != -1) {
732 *chap_index = free_index;
733 rval = QLA_SUCCESS;
734 } else {
735 rval = QLA_ERROR;
736 }
737
738exit_find_chap:
739 return rval;
740}
741
742static int qla4xxx_get_chap_list(struct Scsi_Host *shost, uint16_t chap_tbl_idx,
743 uint32_t *num_entries, char *buf)
744{
745 struct scsi_qla_host *ha = to_qla_host(shost);
746 struct ql4_chap_table *chap_table;
747 struct iscsi_chap_rec *chap_rec;
748 int max_chap_entries = 0;
749 int valid_chap_entries = 0;
750 int ret = 0, i;
751
752 if (is_qla80XX(ha))
753 max_chap_entries = (ha->hw.flt_chap_size / 2) /
754 sizeof(struct ql4_chap_table);
755 else
756 max_chap_entries = MAX_CHAP_ENTRIES_40XX;
757
758 ql4_printk(KERN_INFO, ha, "%s: num_entries = %d, CHAP idx = %d\n",
759 __func__, *num_entries, chap_tbl_idx);
760
761 if (!buf) {
762 ret = -ENOMEM;
763 goto exit_get_chap_list;
764 }
765
766 qla4xxx_create_chap_list(ha);
767
768 chap_rec = (struct iscsi_chap_rec *) buf;
769 mutex_lock(&ha->chap_sem);
770 for (i = chap_tbl_idx; i < max_chap_entries; i++) {
771 chap_table = (struct ql4_chap_table *)ha->chap_list + i;
772 if (chap_table->cookie !=
773 __constant_cpu_to_le16(CHAP_VALID_COOKIE))
774 continue;
775
776 chap_rec->chap_tbl_idx = i;
777 strlcpy(chap_rec->username, chap_table->name,
778 ISCSI_CHAP_AUTH_NAME_MAX_LEN);
779 strlcpy(chap_rec->password, chap_table->secret,
780 QL4_CHAP_MAX_SECRET_LEN);
781 chap_rec->password_length = chap_table->secret_len;
782
783 if (chap_table->flags & BIT_7)
784 chap_rec->chap_type = CHAP_TYPE_OUT;
785
786 if (chap_table->flags & BIT_6)
787 chap_rec->chap_type = CHAP_TYPE_IN;
788
789 chap_rec++;
790
791 valid_chap_entries++;
792 if (valid_chap_entries == *num_entries)
793 break;
794 else
795 continue;
796 }
797 mutex_unlock(&ha->chap_sem);
798
799exit_get_chap_list:
800 ql4_printk(KERN_INFO, ha, "%s: Valid CHAP Entries = %d\n",
801 __func__, valid_chap_entries);
802 *num_entries = valid_chap_entries;
803 return ret;
804}
805
806static int __qla4xxx_is_chap_active(struct device *dev, void *data)
807{
808 int ret = 0;
809 uint16_t *chap_tbl_idx = (uint16_t *) data;
810 struct iscsi_cls_session *cls_session;
811 struct iscsi_session *sess;
812 struct ddb_entry *ddb_entry;
813
814 if (!iscsi_is_session_dev(dev))
815 goto exit_is_chap_active;
816
817 cls_session = iscsi_dev_to_session(dev);
818 sess = cls_session->dd_data;
819 ddb_entry = sess->dd_data;
820
821 if (iscsi_session_chkready(cls_session))
822 goto exit_is_chap_active;
823
824 if (ddb_entry->chap_tbl_idx == *chap_tbl_idx)
825 ret = 1;
826
827exit_is_chap_active:
828 return ret;
829}
830
831static int qla4xxx_is_chap_active(struct Scsi_Host *shost,
832 uint16_t chap_tbl_idx)
833{
834 int ret = 0;
835
836 ret = device_for_each_child(&shost->shost_gendev, &chap_tbl_idx,
837 __qla4xxx_is_chap_active);
838
839 return ret;
840}
841
842static int qla4xxx_delete_chap(struct Scsi_Host *shost, uint16_t chap_tbl_idx)
843{
844 struct scsi_qla_host *ha = to_qla_host(shost);
845 struct ql4_chap_table *chap_table;
846 dma_addr_t chap_dma;
847 int max_chap_entries = 0;
848 uint32_t offset = 0;
849 uint32_t chap_size;
850 int ret = 0;
851
852 chap_table = dma_pool_alloc(ha->chap_dma_pool, GFP_KERNEL, &chap_dma);
853 if (chap_table == NULL)
854 return -ENOMEM;
855
856 memset(chap_table, 0, sizeof(struct ql4_chap_table));
857
858 if (is_qla80XX(ha))
859 max_chap_entries = (ha->hw.flt_chap_size / 2) /
860 sizeof(struct ql4_chap_table);
861 else
862 max_chap_entries = MAX_CHAP_ENTRIES_40XX;
863
864 if (chap_tbl_idx > max_chap_entries) {
865 ret = -EINVAL;
866 goto exit_delete_chap;
867 }
868
869
870
871 ret = qla4xxx_is_chap_active(shost, chap_tbl_idx);
872 if (ret) {
873 ql4_printk(KERN_INFO, ha, "CHAP entry %d is in use, cannot "
874 "delete from flash\n", chap_tbl_idx);
875 ret = -EBUSY;
876 goto exit_delete_chap;
877 }
878
879 chap_size = sizeof(struct ql4_chap_table);
880 if (is_qla40XX(ha))
881 offset = FLASH_CHAP_OFFSET | (chap_tbl_idx * chap_size);
882 else {
883 offset = FLASH_RAW_ACCESS_ADDR + (ha->hw.flt_region_chap << 2);
884
885
886
887 if (ha->port_num == 1)
888 offset += (ha->hw.flt_chap_size / 2);
889 offset += (chap_tbl_idx * chap_size);
890 }
891
892 ret = qla4xxx_get_flash(ha, chap_dma, offset, chap_size);
893 if (ret != QLA_SUCCESS) {
894 ret = -EINVAL;
895 goto exit_delete_chap;
896 }
897
898 DEBUG2(ql4_printk(KERN_INFO, ha, "Chap Cookie: x%x\n",
899 __le16_to_cpu(chap_table->cookie)));
900
901 if (__le16_to_cpu(chap_table->cookie) != CHAP_VALID_COOKIE) {
902 ql4_printk(KERN_ERR, ha, "No valid chap entry found\n");
903 goto exit_delete_chap;
904 }
905
906 chap_table->cookie = __constant_cpu_to_le16(0xFFFF);
907
908 offset = FLASH_CHAP_OFFSET |
909 (chap_tbl_idx * sizeof(struct ql4_chap_table));
910 ret = qla4xxx_set_flash(ha, chap_dma, offset, chap_size,
911 FLASH_OPT_RMW_COMMIT);
912 if (ret == QLA_SUCCESS && ha->chap_list) {
913 mutex_lock(&ha->chap_sem);
914
915 memcpy((struct ql4_chap_table *)ha->chap_list + chap_tbl_idx,
916 chap_table, sizeof(struct ql4_chap_table));
917 mutex_unlock(&ha->chap_sem);
918 }
919 if (ret != QLA_SUCCESS)
920 ret = -EINVAL;
921
922exit_delete_chap:
923 dma_pool_free(ha->chap_dma_pool, chap_table, chap_dma);
924 return ret;
925}
926
927
928
929
930
931
932
933
934
935static int qla4xxx_set_chap_entry(struct Scsi_Host *shost, void *data, int len)
936{
937 struct scsi_qla_host *ha = to_qla_host(shost);
938 struct iscsi_chap_rec chap_rec;
939 struct ql4_chap_table *chap_entry = NULL;
940 struct iscsi_param_info *param_info;
941 struct nlattr *attr;
942 int max_chap_entries = 0;
943 int type;
944 int rem = len;
945 int rc = 0;
946 int size;
947
948 memset(&chap_rec, 0, sizeof(chap_rec));
949
950 nla_for_each_attr(attr, data, len, rem) {
951 param_info = nla_data(attr);
952
953 switch (param_info->param) {
954 case ISCSI_CHAP_PARAM_INDEX:
955 chap_rec.chap_tbl_idx = *(uint16_t *)param_info->value;
956 break;
957 case ISCSI_CHAP_PARAM_CHAP_TYPE:
958 chap_rec.chap_type = param_info->value[0];
959 break;
960 case ISCSI_CHAP_PARAM_USERNAME:
961 size = min_t(size_t, sizeof(chap_rec.username),
962 param_info->len);
963 memcpy(chap_rec.username, param_info->value, size);
964 break;
965 case ISCSI_CHAP_PARAM_PASSWORD:
966 size = min_t(size_t, sizeof(chap_rec.password),
967 param_info->len);
968 memcpy(chap_rec.password, param_info->value, size);
969 break;
970 case ISCSI_CHAP_PARAM_PASSWORD_LEN:
971 chap_rec.password_length = param_info->value[0];
972 break;
973 default:
974 ql4_printk(KERN_ERR, ha,
975 "%s: No such sysfs attribute\n", __func__);
976 rc = -ENOSYS;
977 goto exit_set_chap;
978 };
979 }
980
981 if (chap_rec.chap_type == CHAP_TYPE_IN)
982 type = BIDI_CHAP;
983 else
984 type = LOCAL_CHAP;
985
986 if (is_qla80XX(ha))
987 max_chap_entries = (ha->hw.flt_chap_size / 2) /
988 sizeof(struct ql4_chap_table);
989 else
990 max_chap_entries = MAX_CHAP_ENTRIES_40XX;
991
992 mutex_lock(&ha->chap_sem);
993 if (chap_rec.chap_tbl_idx < max_chap_entries) {
994 rc = qla4xxx_get_chap_by_index(ha, chap_rec.chap_tbl_idx,
995 &chap_entry);
996 if (!rc) {
997 if (!(type == qla4xxx_get_chap_type(chap_entry))) {
998 ql4_printk(KERN_INFO, ha,
999 "Type mismatch for CHAP entry %d\n",
1000 chap_rec.chap_tbl_idx);
1001 rc = -EINVAL;
1002 goto exit_unlock_chap;
1003 }
1004
1005
1006 rc = qla4xxx_is_chap_active(shost,
1007 chap_rec.chap_tbl_idx);
1008 if (rc) {
1009 ql4_printk(KERN_INFO, ha,
1010 "CHAP entry %d is in use\n",
1011 chap_rec.chap_tbl_idx);
1012 rc = -EBUSY;
1013 goto exit_unlock_chap;
1014 }
1015 }
1016 } else {
1017 rc = qla4xxx_find_free_chap_index(ha, &chap_rec.chap_tbl_idx);
1018 if (rc) {
1019 ql4_printk(KERN_INFO, ha, "CHAP entry not available\n");
1020 rc = -EBUSY;
1021 goto exit_unlock_chap;
1022 }
1023 }
1024
1025 rc = qla4xxx_set_chap(ha, chap_rec.username, chap_rec.password,
1026 chap_rec.chap_tbl_idx, type);
1027
1028exit_unlock_chap:
1029 mutex_unlock(&ha->chap_sem);
1030
1031exit_set_chap:
1032 return rc;
1033}
1034
1035
1036static int qla4xxx_get_host_stats(struct Scsi_Host *shost, char *buf, int len)
1037{
1038 struct scsi_qla_host *ha = to_qla_host(shost);
1039 struct iscsi_offload_host_stats *host_stats = NULL;
1040 int host_stats_size;
1041 int ret = 0;
1042 int ddb_idx = 0;
1043 struct ql_iscsi_stats *ql_iscsi_stats = NULL;
1044 int stats_size;
1045 dma_addr_t iscsi_stats_dma;
1046
1047 DEBUG2(ql4_printk(KERN_INFO, ha, "Func: %s\n", __func__));
1048
1049 host_stats_size = sizeof(struct iscsi_offload_host_stats);
1050
1051 if (host_stats_size != len) {
1052 ql4_printk(KERN_INFO, ha, "%s: host_stats size mismatch expected = %d, is = %d\n",
1053 __func__, len, host_stats_size);
1054 ret = -EINVAL;
1055 goto exit_host_stats;
1056 }
1057 host_stats = (struct iscsi_offload_host_stats *)buf;
1058
1059 if (!buf) {
1060 ret = -ENOMEM;
1061 goto exit_host_stats;
1062 }
1063
1064 stats_size = PAGE_ALIGN(sizeof(struct ql_iscsi_stats));
1065
1066 ql_iscsi_stats = dma_alloc_coherent(&ha->pdev->dev, stats_size,
1067 &iscsi_stats_dma, GFP_KERNEL);
1068 if (!ql_iscsi_stats) {
1069 ql4_printk(KERN_ERR, ha,
1070 "Unable to allocate memory for iscsi stats\n");
1071 ret = -ENOMEM;
1072 goto exit_host_stats;
1073 }
1074
1075 ret = qla4xxx_get_mgmt_data(ha, ddb_idx, stats_size,
1076 iscsi_stats_dma);
1077 if (ret != QLA_SUCCESS) {
1078 ql4_printk(KERN_ERR, ha,
1079 "Unable to retrieve iscsi stats\n");
1080 ret = -EIO;
1081 goto exit_host_stats;
1082 }
1083 host_stats->mactx_frames = le64_to_cpu(ql_iscsi_stats->mac_tx_frames);
1084 host_stats->mactx_bytes = le64_to_cpu(ql_iscsi_stats->mac_tx_bytes);
1085 host_stats->mactx_multicast_frames =
1086 le64_to_cpu(ql_iscsi_stats->mac_tx_multicast_frames);
1087 host_stats->mactx_broadcast_frames =
1088 le64_to_cpu(ql_iscsi_stats->mac_tx_broadcast_frames);
1089 host_stats->mactx_pause_frames =
1090 le64_to_cpu(ql_iscsi_stats->mac_tx_pause_frames);
1091 host_stats->mactx_control_frames =
1092 le64_to_cpu(ql_iscsi_stats->mac_tx_control_frames);
1093 host_stats->mactx_deferral =
1094 le64_to_cpu(ql_iscsi_stats->mac_tx_deferral);
1095 host_stats->mactx_excess_deferral =
1096 le64_to_cpu(ql_iscsi_stats->mac_tx_excess_deferral);
1097 host_stats->mactx_late_collision =
1098 le64_to_cpu(ql_iscsi_stats->mac_tx_late_collision);
1099 host_stats->mactx_abort = le64_to_cpu(ql_iscsi_stats->mac_tx_abort);
1100 host_stats->mactx_single_collision =
1101 le64_to_cpu(ql_iscsi_stats->mac_tx_single_collision);
1102 host_stats->mactx_multiple_collision =
1103 le64_to_cpu(ql_iscsi_stats->mac_tx_multiple_collision);
1104 host_stats->mactx_collision =
1105 le64_to_cpu(ql_iscsi_stats->mac_tx_collision);
1106 host_stats->mactx_frames_dropped =
1107 le64_to_cpu(ql_iscsi_stats->mac_tx_frames_dropped);
1108 host_stats->mactx_jumbo_frames =
1109 le64_to_cpu(ql_iscsi_stats->mac_tx_jumbo_frames);
1110 host_stats->macrx_frames = le64_to_cpu(ql_iscsi_stats->mac_rx_frames);
1111 host_stats->macrx_bytes = le64_to_cpu(ql_iscsi_stats->mac_rx_bytes);
1112 host_stats->macrx_unknown_control_frames =
1113 le64_to_cpu(ql_iscsi_stats->mac_rx_unknown_control_frames);
1114 host_stats->macrx_pause_frames =
1115 le64_to_cpu(ql_iscsi_stats->mac_rx_pause_frames);
1116 host_stats->macrx_control_frames =
1117 le64_to_cpu(ql_iscsi_stats->mac_rx_control_frames);
1118 host_stats->macrx_dribble =
1119 le64_to_cpu(ql_iscsi_stats->mac_rx_dribble);
1120 host_stats->macrx_frame_length_error =
1121 le64_to_cpu(ql_iscsi_stats->mac_rx_frame_length_error);
1122 host_stats->macrx_jabber = le64_to_cpu(ql_iscsi_stats->mac_rx_jabber);
1123 host_stats->macrx_carrier_sense_error =
1124 le64_to_cpu(ql_iscsi_stats->mac_rx_carrier_sense_error);
1125 host_stats->macrx_frame_discarded =
1126 le64_to_cpu(ql_iscsi_stats->mac_rx_frame_discarded);
1127 host_stats->macrx_frames_dropped =
1128 le64_to_cpu(ql_iscsi_stats->mac_rx_frames_dropped);
1129 host_stats->mac_crc_error = le64_to_cpu(ql_iscsi_stats->mac_crc_error);
1130 host_stats->mac_encoding_error =
1131 le64_to_cpu(ql_iscsi_stats->mac_encoding_error);
1132 host_stats->macrx_length_error_large =
1133 le64_to_cpu(ql_iscsi_stats->mac_rx_length_error_large);
1134 host_stats->macrx_length_error_small =
1135 le64_to_cpu(ql_iscsi_stats->mac_rx_length_error_small);
1136 host_stats->macrx_multicast_frames =
1137 le64_to_cpu(ql_iscsi_stats->mac_rx_multicast_frames);
1138 host_stats->macrx_broadcast_frames =
1139 le64_to_cpu(ql_iscsi_stats->mac_rx_broadcast_frames);
1140 host_stats->iptx_packets = le64_to_cpu(ql_iscsi_stats->ip_tx_packets);
1141 host_stats->iptx_bytes = le64_to_cpu(ql_iscsi_stats->ip_tx_bytes);
1142 host_stats->iptx_fragments =
1143 le64_to_cpu(ql_iscsi_stats->ip_tx_fragments);
1144 host_stats->iprx_packets = le64_to_cpu(ql_iscsi_stats->ip_rx_packets);
1145 host_stats->iprx_bytes = le64_to_cpu(ql_iscsi_stats->ip_rx_bytes);
1146 host_stats->iprx_fragments =
1147 le64_to_cpu(ql_iscsi_stats->ip_rx_fragments);
1148 host_stats->ip_datagram_reassembly =
1149 le64_to_cpu(ql_iscsi_stats->ip_datagram_reassembly);
1150 host_stats->ip_invalid_address_error =
1151 le64_to_cpu(ql_iscsi_stats->ip_invalid_address_error);
1152 host_stats->ip_error_packets =
1153 le64_to_cpu(ql_iscsi_stats->ip_error_packets);
1154 host_stats->ip_fragrx_overlap =
1155 le64_to_cpu(ql_iscsi_stats->ip_fragrx_overlap);
1156 host_stats->ip_fragrx_outoforder =
1157 le64_to_cpu(ql_iscsi_stats->ip_fragrx_outoforder);
1158 host_stats->ip_datagram_reassembly_timeout =
1159 le64_to_cpu(ql_iscsi_stats->ip_datagram_reassembly_timeout);
1160 host_stats->ipv6tx_packets =
1161 le64_to_cpu(ql_iscsi_stats->ipv6_tx_packets);
1162 host_stats->ipv6tx_bytes = le64_to_cpu(ql_iscsi_stats->ipv6_tx_bytes);
1163 host_stats->ipv6tx_fragments =
1164 le64_to_cpu(ql_iscsi_stats->ipv6_tx_fragments);
1165 host_stats->ipv6rx_packets =
1166 le64_to_cpu(ql_iscsi_stats->ipv6_rx_packets);
1167 host_stats->ipv6rx_bytes = le64_to_cpu(ql_iscsi_stats->ipv6_rx_bytes);
1168 host_stats->ipv6rx_fragments =
1169 le64_to_cpu(ql_iscsi_stats->ipv6_rx_fragments);
1170 host_stats->ipv6_datagram_reassembly =
1171 le64_to_cpu(ql_iscsi_stats->ipv6_datagram_reassembly);
1172 host_stats->ipv6_invalid_address_error =
1173 le64_to_cpu(ql_iscsi_stats->ipv6_invalid_address_error);
1174 host_stats->ipv6_error_packets =
1175 le64_to_cpu(ql_iscsi_stats->ipv6_error_packets);
1176 host_stats->ipv6_fragrx_overlap =
1177 le64_to_cpu(ql_iscsi_stats->ipv6_fragrx_overlap);
1178 host_stats->ipv6_fragrx_outoforder =
1179 le64_to_cpu(ql_iscsi_stats->ipv6_fragrx_outoforder);
1180 host_stats->ipv6_datagram_reassembly_timeout =
1181 le64_to_cpu(ql_iscsi_stats->ipv6_datagram_reassembly_timeout);
1182 host_stats->tcptx_segments =
1183 le64_to_cpu(ql_iscsi_stats->tcp_tx_segments);
1184 host_stats->tcptx_bytes = le64_to_cpu(ql_iscsi_stats->tcp_tx_bytes);
1185 host_stats->tcprx_segments =
1186 le64_to_cpu(ql_iscsi_stats->tcp_rx_segments);
1187 host_stats->tcprx_byte = le64_to_cpu(ql_iscsi_stats->tcp_rx_byte);
1188 host_stats->tcp_duplicate_ack_retx =
1189 le64_to_cpu(ql_iscsi_stats->tcp_duplicate_ack_retx);
1190 host_stats->tcp_retx_timer_expired =
1191 le64_to_cpu(ql_iscsi_stats->tcp_retx_timer_expired);
1192 host_stats->tcprx_duplicate_ack =
1193 le64_to_cpu(ql_iscsi_stats->tcp_rx_duplicate_ack);
1194 host_stats->tcprx_pure_ackr =
1195 le64_to_cpu(ql_iscsi_stats->tcp_rx_pure_ackr);
1196 host_stats->tcptx_delayed_ack =
1197 le64_to_cpu(ql_iscsi_stats->tcp_tx_delayed_ack);
1198 host_stats->tcptx_pure_ack =
1199 le64_to_cpu(ql_iscsi_stats->tcp_tx_pure_ack);
1200 host_stats->tcprx_segment_error =
1201 le64_to_cpu(ql_iscsi_stats->tcp_rx_segment_error);
1202 host_stats->tcprx_segment_outoforder =
1203 le64_to_cpu(ql_iscsi_stats->tcp_rx_segment_outoforder);
1204 host_stats->tcprx_window_probe =
1205 le64_to_cpu(ql_iscsi_stats->tcp_rx_window_probe);
1206 host_stats->tcprx_window_update =
1207 le64_to_cpu(ql_iscsi_stats->tcp_rx_window_update);
1208 host_stats->tcptx_window_probe_persist =
1209 le64_to_cpu(ql_iscsi_stats->tcp_tx_window_probe_persist);
1210 host_stats->ecc_error_correction =
1211 le64_to_cpu(ql_iscsi_stats->ecc_error_correction);
1212 host_stats->iscsi_pdu_tx = le64_to_cpu(ql_iscsi_stats->iscsi_pdu_tx);
1213 host_stats->iscsi_data_bytes_tx =
1214 le64_to_cpu(ql_iscsi_stats->iscsi_data_bytes_tx);
1215 host_stats->iscsi_pdu_rx = le64_to_cpu(ql_iscsi_stats->iscsi_pdu_rx);
1216 host_stats->iscsi_data_bytes_rx =
1217 le64_to_cpu(ql_iscsi_stats->iscsi_data_bytes_rx);
1218 host_stats->iscsi_io_completed =
1219 le64_to_cpu(ql_iscsi_stats->iscsi_io_completed);
1220 host_stats->iscsi_unexpected_io_rx =
1221 le64_to_cpu(ql_iscsi_stats->iscsi_unexpected_io_rx);
1222 host_stats->iscsi_format_error =
1223 le64_to_cpu(ql_iscsi_stats->iscsi_format_error);
1224 host_stats->iscsi_hdr_digest_error =
1225 le64_to_cpu(ql_iscsi_stats->iscsi_hdr_digest_error);
1226 host_stats->iscsi_data_digest_error =
1227 le64_to_cpu(ql_iscsi_stats->iscsi_data_digest_error);
1228 host_stats->iscsi_sequence_error =
1229 le64_to_cpu(ql_iscsi_stats->iscsi_sequence_error);
1230exit_host_stats:
1231 if (ql_iscsi_stats)
1232 dma_free_coherent(&ha->pdev->dev, host_stats_size,
1233 ql_iscsi_stats, iscsi_stats_dma);
1234
1235 ql4_printk(KERN_INFO, ha, "%s: Get host stats done\n",
1236 __func__);
1237 return ret;
1238}
1239
1240static int qla4xxx_get_iface_param(struct iscsi_iface *iface,
1241 enum iscsi_param_type param_type,
1242 int param, char *buf)
1243{
1244 struct Scsi_Host *shost = iscsi_iface_to_shost(iface);
1245 struct scsi_qla_host *ha = to_qla_host(shost);
1246 int ival;
1247 char *pval = NULL;
1248 int len = -ENOSYS;
1249
1250 if (param_type == ISCSI_NET_PARAM) {
1251 switch (param) {
1252 case ISCSI_NET_PARAM_IPV4_ADDR:
1253 len = sprintf(buf, "%pI4\n", &ha->ip_config.ip_address);
1254 break;
1255 case ISCSI_NET_PARAM_IPV4_SUBNET:
1256 len = sprintf(buf, "%pI4\n",
1257 &ha->ip_config.subnet_mask);
1258 break;
1259 case ISCSI_NET_PARAM_IPV4_GW:
1260 len = sprintf(buf, "%pI4\n", &ha->ip_config.gateway);
1261 break;
1262 case ISCSI_NET_PARAM_IFACE_ENABLE:
1263 if (iface->iface_type == ISCSI_IFACE_TYPE_IPV4) {
1264 OP_STATE(ha->ip_config.ipv4_options,
1265 IPOPT_IPV4_PROTOCOL_ENABLE, pval);
1266 } else {
1267 OP_STATE(ha->ip_config.ipv6_options,
1268 IPV6_OPT_IPV6_PROTOCOL_ENABLE, pval);
1269 }
1270
1271 len = sprintf(buf, "%s\n", pval);
1272 break;
1273 case ISCSI_NET_PARAM_IPV4_BOOTPROTO:
1274 len = sprintf(buf, "%s\n",
1275 (ha->ip_config.tcp_options &
1276 TCPOPT_DHCP_ENABLE) ?
1277 "dhcp" : "static");
1278 break;
1279 case ISCSI_NET_PARAM_IPV6_ADDR:
1280 if (iface->iface_num == 0)
1281 len = sprintf(buf, "%pI6\n",
1282 &ha->ip_config.ipv6_addr0);
1283 if (iface->iface_num == 1)
1284 len = sprintf(buf, "%pI6\n",
1285 &ha->ip_config.ipv6_addr1);
1286 break;
1287 case ISCSI_NET_PARAM_IPV6_LINKLOCAL:
1288 len = sprintf(buf, "%pI6\n",
1289 &ha->ip_config.ipv6_link_local_addr);
1290 break;
1291 case ISCSI_NET_PARAM_IPV6_ROUTER:
1292 len = sprintf(buf, "%pI6\n",
1293 &ha->ip_config.ipv6_default_router_addr);
1294 break;
1295 case ISCSI_NET_PARAM_IPV6_ADDR_AUTOCFG:
1296 pval = (ha->ip_config.ipv6_addl_options &
1297 IPV6_ADDOPT_NEIGHBOR_DISCOVERY_ADDR_ENABLE) ?
1298 "nd" : "static";
1299
1300 len = sprintf(buf, "%s\n", pval);
1301 break;
1302 case ISCSI_NET_PARAM_IPV6_LINKLOCAL_AUTOCFG:
1303 pval = (ha->ip_config.ipv6_addl_options &
1304 IPV6_ADDOPT_AUTOCONFIG_LINK_LOCAL_ADDR) ?
1305 "auto" : "static";
1306
1307 len = sprintf(buf, "%s\n", pval);
1308 break;
1309 case ISCSI_NET_PARAM_VLAN_ID:
1310 if (iface->iface_type == ISCSI_IFACE_TYPE_IPV4)
1311 ival = ha->ip_config.ipv4_vlan_tag &
1312 ISCSI_MAX_VLAN_ID;
1313 else
1314 ival = ha->ip_config.ipv6_vlan_tag &
1315 ISCSI_MAX_VLAN_ID;
1316
1317 len = sprintf(buf, "%d\n", ival);
1318 break;
1319 case ISCSI_NET_PARAM_VLAN_PRIORITY:
1320 if (iface->iface_type == ISCSI_IFACE_TYPE_IPV4)
1321 ival = (ha->ip_config.ipv4_vlan_tag >> 13) &
1322 ISCSI_MAX_VLAN_PRIORITY;
1323 else
1324 ival = (ha->ip_config.ipv6_vlan_tag >> 13) &
1325 ISCSI_MAX_VLAN_PRIORITY;
1326
1327 len = sprintf(buf, "%d\n", ival);
1328 break;
1329 case ISCSI_NET_PARAM_VLAN_ENABLED:
1330 if (iface->iface_type == ISCSI_IFACE_TYPE_IPV4) {
1331 OP_STATE(ha->ip_config.ipv4_options,
1332 IPOPT_VLAN_TAGGING_ENABLE, pval);
1333 } else {
1334 OP_STATE(ha->ip_config.ipv6_options,
1335 IPV6_OPT_VLAN_TAGGING_ENABLE, pval);
1336 }
1337 len = sprintf(buf, "%s\n", pval);
1338 break;
1339 case ISCSI_NET_PARAM_MTU:
1340 len = sprintf(buf, "%d\n", ha->ip_config.eth_mtu_size);
1341 break;
1342 case ISCSI_NET_PARAM_PORT:
1343 if (iface->iface_type == ISCSI_IFACE_TYPE_IPV4)
1344 len = sprintf(buf, "%d\n",
1345 ha->ip_config.ipv4_port);
1346 else
1347 len = sprintf(buf, "%d\n",
1348 ha->ip_config.ipv6_port);
1349 break;
1350 case ISCSI_NET_PARAM_IPADDR_STATE:
1351 if (iface->iface_type == ISCSI_IFACE_TYPE_IPV4) {
1352 pval = iscsi_get_ipaddress_state_name(
1353 ha->ip_config.ipv4_addr_state);
1354 } else {
1355 if (iface->iface_num == 0)
1356 pval = iscsi_get_ipaddress_state_name(
1357 ha->ip_config.ipv6_addr0_state);
1358 else if (iface->iface_num == 1)
1359 pval = iscsi_get_ipaddress_state_name(
1360 ha->ip_config.ipv6_addr1_state);
1361 }
1362
1363 len = sprintf(buf, "%s\n", pval);
1364 break;
1365 case ISCSI_NET_PARAM_IPV6_LINKLOCAL_STATE:
1366 pval = iscsi_get_ipaddress_state_name(
1367 ha->ip_config.ipv6_link_local_state);
1368 len = sprintf(buf, "%s\n", pval);
1369 break;
1370 case ISCSI_NET_PARAM_IPV6_ROUTER_STATE:
1371 pval = iscsi_get_router_state_name(
1372 ha->ip_config.ipv6_default_router_state);
1373 len = sprintf(buf, "%s\n", pval);
1374 break;
1375 case ISCSI_NET_PARAM_DELAYED_ACK_EN:
1376 if (iface->iface_type == ISCSI_IFACE_TYPE_IPV4) {
1377 OP_STATE(~ha->ip_config.tcp_options,
1378 TCPOPT_DELAYED_ACK_DISABLE, pval);
1379 } else {
1380 OP_STATE(~ha->ip_config.ipv6_tcp_options,
1381 IPV6_TCPOPT_DELAYED_ACK_DISABLE, pval);
1382 }
1383 len = sprintf(buf, "%s\n", pval);
1384 break;
1385 case ISCSI_NET_PARAM_TCP_NAGLE_DISABLE:
1386 if (iface->iface_type == ISCSI_IFACE_TYPE_IPV4) {
1387 OP_STATE(~ha->ip_config.tcp_options,
1388 TCPOPT_NAGLE_ALGO_DISABLE, pval);
1389 } else {
1390 OP_STATE(~ha->ip_config.ipv6_tcp_options,
1391 IPV6_TCPOPT_NAGLE_ALGO_DISABLE, pval);
1392 }
1393 len = sprintf(buf, "%s\n", pval);
1394 break;
1395 case ISCSI_NET_PARAM_TCP_WSF_DISABLE:
1396 if (iface->iface_type == ISCSI_IFACE_TYPE_IPV4) {
1397 OP_STATE(~ha->ip_config.tcp_options,
1398 TCPOPT_WINDOW_SCALE_DISABLE, pval);
1399 } else {
1400 OP_STATE(~ha->ip_config.ipv6_tcp_options,
1401 IPV6_TCPOPT_WINDOW_SCALE_DISABLE,
1402 pval);
1403 }
1404 len = sprintf(buf, "%s\n", pval);
1405 break;
1406 case ISCSI_NET_PARAM_TCP_WSF:
1407 if (iface->iface_type == ISCSI_IFACE_TYPE_IPV4)
1408 len = sprintf(buf, "%d\n",
1409 ha->ip_config.tcp_wsf);
1410 else
1411 len = sprintf(buf, "%d\n",
1412 ha->ip_config.ipv6_tcp_wsf);
1413 break;
1414 case ISCSI_NET_PARAM_TCP_TIMER_SCALE:
1415 if (iface->iface_type == ISCSI_IFACE_TYPE_IPV4)
1416 ival = (ha->ip_config.tcp_options &
1417 TCPOPT_TIMER_SCALE) >> 1;
1418 else
1419 ival = (ha->ip_config.ipv6_tcp_options &
1420 IPV6_TCPOPT_TIMER_SCALE) >> 1;
1421
1422 len = sprintf(buf, "%d\n", ival);
1423 break;
1424 case ISCSI_NET_PARAM_TCP_TIMESTAMP_EN:
1425 if (iface->iface_type == ISCSI_IFACE_TYPE_IPV4) {
1426 OP_STATE(ha->ip_config.tcp_options,
1427 TCPOPT_TIMESTAMP_ENABLE, pval);
1428 } else {
1429 OP_STATE(ha->ip_config.ipv6_tcp_options,
1430 IPV6_TCPOPT_TIMESTAMP_EN, pval);
1431 }
1432 len = sprintf(buf, "%s\n", pval);
1433 break;
1434 case ISCSI_NET_PARAM_CACHE_ID:
1435 if (iface->iface_type == ISCSI_IFACE_TYPE_IPV4)
1436 len = sprintf(buf, "%d\n",
1437 ha->ip_config.ipv4_cache_id);
1438 else
1439 len = sprintf(buf, "%d\n",
1440 ha->ip_config.ipv6_cache_id);
1441 break;
1442 case ISCSI_NET_PARAM_IPV4_DHCP_DNS_ADDR_EN:
1443 OP_STATE(ha->ip_config.tcp_options,
1444 TCPOPT_DNS_SERVER_IP_EN, pval);
1445
1446 len = sprintf(buf, "%s\n", pval);
1447 break;
1448 case ISCSI_NET_PARAM_IPV4_DHCP_SLP_DA_EN:
1449 OP_STATE(ha->ip_config.tcp_options,
1450 TCPOPT_SLP_DA_INFO_EN, pval);
1451
1452 len = sprintf(buf, "%s\n", pval);
1453 break;
1454 case ISCSI_NET_PARAM_IPV4_TOS_EN:
1455 OP_STATE(ha->ip_config.ipv4_options,
1456 IPOPT_IPV4_TOS_EN, pval);
1457
1458 len = sprintf(buf, "%s\n", pval);
1459 break;
1460 case ISCSI_NET_PARAM_IPV4_TOS:
1461 len = sprintf(buf, "%d\n", ha->ip_config.ipv4_tos);
1462 break;
1463 case ISCSI_NET_PARAM_IPV4_GRAT_ARP_EN:
1464 OP_STATE(ha->ip_config.ipv4_options,
1465 IPOPT_GRAT_ARP_EN, pval);
1466
1467 len = sprintf(buf, "%s\n", pval);
1468 break;
1469 case ISCSI_NET_PARAM_IPV4_DHCP_ALT_CLIENT_ID_EN:
1470 OP_STATE(ha->ip_config.ipv4_options, IPOPT_ALT_CID_EN,
1471 pval);
1472
1473 len = sprintf(buf, "%s\n", pval);
1474 break;
1475 case ISCSI_NET_PARAM_IPV4_DHCP_ALT_CLIENT_ID:
1476 pval = (ha->ip_config.ipv4_alt_cid_len) ?
1477 (char *)ha->ip_config.ipv4_alt_cid : "";
1478
1479 len = sprintf(buf, "%s\n", pval);
1480 break;
1481 case ISCSI_NET_PARAM_IPV4_DHCP_REQ_VENDOR_ID_EN:
1482 OP_STATE(ha->ip_config.ipv4_options,
1483 IPOPT_REQ_VID_EN, pval);
1484
1485 len = sprintf(buf, "%s\n", pval);
1486 break;
1487 case ISCSI_NET_PARAM_IPV4_DHCP_USE_VENDOR_ID_EN:
1488 OP_STATE(ha->ip_config.ipv4_options,
1489 IPOPT_USE_VID_EN, pval);
1490
1491 len = sprintf(buf, "%s\n", pval);
1492 break;
1493 case ISCSI_NET_PARAM_IPV4_DHCP_VENDOR_ID:
1494 pval = (ha->ip_config.ipv4_vid_len) ?
1495 (char *)ha->ip_config.ipv4_vid : "";
1496
1497 len = sprintf(buf, "%s\n", pval);
1498 break;
1499 case ISCSI_NET_PARAM_IPV4_DHCP_LEARN_IQN_EN:
1500 OP_STATE(ha->ip_config.ipv4_options,
1501 IPOPT_LEARN_IQN_EN, pval);
1502
1503 len = sprintf(buf, "%s\n", pval);
1504 break;
1505 case ISCSI_NET_PARAM_IPV4_FRAGMENT_DISABLE:
1506 OP_STATE(~ha->ip_config.ipv4_options,
1507 IPOPT_FRAGMENTATION_DISABLE, pval);
1508
1509 len = sprintf(buf, "%s\n", pval);
1510 break;
1511 case ISCSI_NET_PARAM_IPV4_IN_FORWARD_EN:
1512 OP_STATE(ha->ip_config.ipv4_options,
1513 IPOPT_IN_FORWARD_EN, pval);
1514
1515 len = sprintf(buf, "%s\n", pval);
1516 break;
1517 case ISCSI_NET_PARAM_REDIRECT_EN:
1518 if (iface->iface_type == ISCSI_IFACE_TYPE_IPV4) {
1519 OP_STATE(ha->ip_config.ipv4_options,
1520 IPOPT_ARP_REDIRECT_EN, pval);
1521 } else {
1522 OP_STATE(ha->ip_config.ipv6_options,
1523 IPV6_OPT_REDIRECT_EN, pval);
1524 }
1525 len = sprintf(buf, "%s\n", pval);
1526 break;
1527 case ISCSI_NET_PARAM_IPV4_TTL:
1528 len = sprintf(buf, "%d\n", ha->ip_config.ipv4_ttl);
1529 break;
1530 case ISCSI_NET_PARAM_IPV6_GRAT_NEIGHBOR_ADV_EN:
1531 OP_STATE(ha->ip_config.ipv6_options,
1532 IPV6_OPT_GRAT_NEIGHBOR_ADV_EN, pval);
1533
1534 len = sprintf(buf, "%s\n", pval);
1535 break;
1536 case ISCSI_NET_PARAM_IPV6_MLD_EN:
1537 OP_STATE(ha->ip_config.ipv6_addl_options,
1538 IPV6_ADDOPT_MLD_EN, pval);
1539
1540 len = sprintf(buf, "%s\n", pval);
1541 break;
1542 case ISCSI_NET_PARAM_IPV6_FLOW_LABEL:
1543 len = sprintf(buf, "%u\n", ha->ip_config.ipv6_flow_lbl);
1544 break;
1545 case ISCSI_NET_PARAM_IPV6_TRAFFIC_CLASS:
1546 len = sprintf(buf, "%d\n",
1547 ha->ip_config.ipv6_traffic_class);
1548 break;
1549 case ISCSI_NET_PARAM_IPV6_HOP_LIMIT:
1550 len = sprintf(buf, "%d\n",
1551 ha->ip_config.ipv6_hop_limit);
1552 break;
1553 case ISCSI_NET_PARAM_IPV6_ND_REACHABLE_TMO:
1554 len = sprintf(buf, "%d\n",
1555 ha->ip_config.ipv6_nd_reach_time);
1556 break;
1557 case ISCSI_NET_PARAM_IPV6_ND_REXMIT_TIME:
1558 len = sprintf(buf, "%d\n",
1559 ha->ip_config.ipv6_nd_rexmit_timer);
1560 break;
1561 case ISCSI_NET_PARAM_IPV6_ND_STALE_TMO:
1562 len = sprintf(buf, "%d\n",
1563 ha->ip_config.ipv6_nd_stale_timeout);
1564 break;
1565 case ISCSI_NET_PARAM_IPV6_DUP_ADDR_DETECT_CNT:
1566 len = sprintf(buf, "%d\n",
1567 ha->ip_config.ipv6_dup_addr_detect_count);
1568 break;
1569 case ISCSI_NET_PARAM_IPV6_RTR_ADV_LINK_MTU:
1570 len = sprintf(buf, "%d\n",
1571 ha->ip_config.ipv6_gw_advrt_mtu);
1572 break;
1573 default:
1574 len = -ENOSYS;
1575 }
1576 } else if (param_type == ISCSI_IFACE_PARAM) {
1577 switch (param) {
1578 case ISCSI_IFACE_PARAM_DEF_TASKMGMT_TMO:
1579 len = sprintf(buf, "%d\n", ha->ip_config.def_timeout);
1580 break;
1581 case ISCSI_IFACE_PARAM_HDRDGST_EN:
1582 OP_STATE(ha->ip_config.iscsi_options,
1583 ISCSIOPTS_HEADER_DIGEST_EN, pval);
1584
1585 len = sprintf(buf, "%s\n", pval);
1586 break;
1587 case ISCSI_IFACE_PARAM_DATADGST_EN:
1588 OP_STATE(ha->ip_config.iscsi_options,
1589 ISCSIOPTS_DATA_DIGEST_EN, pval);
1590
1591 len = sprintf(buf, "%s\n", pval);
1592 break;
1593 case ISCSI_IFACE_PARAM_IMM_DATA_EN:
1594 OP_STATE(ha->ip_config.iscsi_options,
1595 ISCSIOPTS_IMMEDIATE_DATA_EN, pval);
1596
1597 len = sprintf(buf, "%s\n", pval);
1598 break;
1599 case ISCSI_IFACE_PARAM_INITIAL_R2T_EN:
1600 OP_STATE(ha->ip_config.iscsi_options,
1601 ISCSIOPTS_INITIAL_R2T_EN, pval);
1602
1603 len = sprintf(buf, "%s\n", pval);
1604 break;
1605 case ISCSI_IFACE_PARAM_DATASEQ_INORDER_EN:
1606 OP_STATE(ha->ip_config.iscsi_options,
1607 ISCSIOPTS_DATA_SEQ_INORDER_EN, pval);
1608
1609 len = sprintf(buf, "%s\n", pval);
1610 break;
1611 case ISCSI_IFACE_PARAM_PDU_INORDER_EN:
1612 OP_STATE(ha->ip_config.iscsi_options,
1613 ISCSIOPTS_DATA_PDU_INORDER_EN, pval);
1614
1615 len = sprintf(buf, "%s\n", pval);
1616 break;
1617 case ISCSI_IFACE_PARAM_ERL:
1618 len = sprintf(buf, "%d\n",
1619 (ha->ip_config.iscsi_options &
1620 ISCSIOPTS_ERL));
1621 break;
1622 case ISCSI_IFACE_PARAM_MAX_RECV_DLENGTH:
1623 len = sprintf(buf, "%u\n",
1624 ha->ip_config.iscsi_max_pdu_size *
1625 BYTE_UNITS);
1626 break;
1627 case ISCSI_IFACE_PARAM_FIRST_BURST:
1628 len = sprintf(buf, "%u\n",
1629 ha->ip_config.iscsi_first_burst_len *
1630 BYTE_UNITS);
1631 break;
1632 case ISCSI_IFACE_PARAM_MAX_R2T:
1633 len = sprintf(buf, "%d\n",
1634 ha->ip_config.iscsi_max_outstnd_r2t);
1635 break;
1636 case ISCSI_IFACE_PARAM_MAX_BURST:
1637 len = sprintf(buf, "%u\n",
1638 ha->ip_config.iscsi_max_burst_len *
1639 BYTE_UNITS);
1640 break;
1641 case ISCSI_IFACE_PARAM_CHAP_AUTH_EN:
1642 OP_STATE(ha->ip_config.iscsi_options,
1643 ISCSIOPTS_CHAP_AUTH_EN, pval);
1644
1645 len = sprintf(buf, "%s\n", pval);
1646 break;
1647 case ISCSI_IFACE_PARAM_BIDI_CHAP_EN:
1648 OP_STATE(ha->ip_config.iscsi_options,
1649 ISCSIOPTS_BIDI_CHAP_EN, pval);
1650
1651 len = sprintf(buf, "%s\n", pval);
1652 break;
1653 case ISCSI_IFACE_PARAM_DISCOVERY_AUTH_OPTIONAL:
1654 OP_STATE(ha->ip_config.iscsi_options,
1655 ISCSIOPTS_DISCOVERY_AUTH_EN, pval);
1656
1657 len = sprintf(buf, "%s\n", pval);
1658 break;
1659 case ISCSI_IFACE_PARAM_DISCOVERY_LOGOUT_EN:
1660 OP_STATE(ha->ip_config.iscsi_options,
1661 ISCSIOPTS_DISCOVERY_LOGOUT_EN, pval);
1662
1663 len = sprintf(buf, "%s\n", pval);
1664 break;
1665 case ISCSI_IFACE_PARAM_STRICT_LOGIN_COMP_EN:
1666 OP_STATE(ha->ip_config.iscsi_options,
1667 ISCSIOPTS_STRICT_LOGIN_COMP_EN, pval);
1668
1669 len = sprintf(buf, "%s\n", pval);
1670 break;
1671 case ISCSI_IFACE_PARAM_INITIATOR_NAME:
1672 len = sprintf(buf, "%s\n", ha->ip_config.iscsi_name);
1673 break;
1674 default:
1675 len = -ENOSYS;
1676 }
1677 }
1678
1679 return len;
1680}
1681
1682static struct iscsi_endpoint *
1683qla4xxx_ep_connect(struct Scsi_Host *shost, struct sockaddr *dst_addr,
1684 int non_blocking)
1685{
1686 int ret;
1687 struct iscsi_endpoint *ep;
1688 struct qla_endpoint *qla_ep;
1689 struct scsi_qla_host *ha;
1690 struct sockaddr_in *addr;
1691 struct sockaddr_in6 *addr6;
1692
1693 if (!shost) {
1694 ret = -ENXIO;
1695 pr_err("%s: shost is NULL\n", __func__);
1696 return ERR_PTR(ret);
1697 }
1698
1699 ha = iscsi_host_priv(shost);
1700 ep = iscsi_create_endpoint(sizeof(struct qla_endpoint));
1701 if (!ep) {
1702 ret = -ENOMEM;
1703 return ERR_PTR(ret);
1704 }
1705
1706 qla_ep = ep->dd_data;
1707 memset(qla_ep, 0, sizeof(struct qla_endpoint));
1708 if (dst_addr->sa_family == AF_INET) {
1709 memcpy(&qla_ep->dst_addr, dst_addr, sizeof(struct sockaddr_in));
1710 addr = (struct sockaddr_in *)&qla_ep->dst_addr;
1711 DEBUG2(ql4_printk(KERN_INFO, ha, "%s: %pI4\n", __func__,
1712 (char *)&addr->sin_addr));
1713 } else if (dst_addr->sa_family == AF_INET6) {
1714 memcpy(&qla_ep->dst_addr, dst_addr,
1715 sizeof(struct sockaddr_in6));
1716 addr6 = (struct sockaddr_in6 *)&qla_ep->dst_addr;
1717 DEBUG2(ql4_printk(KERN_INFO, ha, "%s: %pI6\n", __func__,
1718 (char *)&addr6->sin6_addr));
1719 } else {
1720 ql4_printk(KERN_WARNING, ha, "%s: Invalid endpoint\n",
1721 __func__);
1722 }
1723
1724 qla_ep->host = shost;
1725
1726 return ep;
1727}
1728
1729static int qla4xxx_ep_poll(struct iscsi_endpoint *ep, int timeout_ms)
1730{
1731 struct qla_endpoint *qla_ep;
1732 struct scsi_qla_host *ha;
1733 int ret = 0;
1734
1735 qla_ep = ep->dd_data;
1736 ha = to_qla_host(qla_ep->host);
1737 DEBUG2(pr_info_ratelimited("%s: host: %ld\n", __func__, ha->host_no));
1738
1739 if (adapter_up(ha) && !test_bit(AF_BUILD_DDB_LIST, &ha->flags))
1740 ret = 1;
1741
1742 return ret;
1743}
1744
1745static void qla4xxx_ep_disconnect(struct iscsi_endpoint *ep)
1746{
1747 struct qla_endpoint *qla_ep;
1748 struct scsi_qla_host *ha;
1749
1750 qla_ep = ep->dd_data;
1751 ha = to_qla_host(qla_ep->host);
1752 DEBUG2(ql4_printk(KERN_INFO, ha, "%s: host: %ld\n", __func__,
1753 ha->host_no));
1754 iscsi_destroy_endpoint(ep);
1755}
1756
1757static int qla4xxx_get_ep_param(struct iscsi_endpoint *ep,
1758 enum iscsi_param param,
1759 char *buf)
1760{
1761 struct qla_endpoint *qla_ep = ep->dd_data;
1762 struct sockaddr *dst_addr;
1763 struct scsi_qla_host *ha;
1764
1765 if (!qla_ep)
1766 return -ENOTCONN;
1767
1768 ha = to_qla_host(qla_ep->host);
1769 DEBUG2(ql4_printk(KERN_INFO, ha, "%s: host: %ld\n", __func__,
1770 ha->host_no));
1771
1772 switch (param) {
1773 case ISCSI_PARAM_CONN_PORT:
1774 case ISCSI_PARAM_CONN_ADDRESS:
1775 dst_addr = (struct sockaddr *)&qla_ep->dst_addr;
1776 if (!dst_addr)
1777 return -ENOTCONN;
1778
1779 return iscsi_conn_get_addr_param((struct sockaddr_storage *)
1780 &qla_ep->dst_addr, param, buf);
1781 default:
1782 return -ENOSYS;
1783 }
1784}
1785
1786static void qla4xxx_conn_get_stats(struct iscsi_cls_conn *cls_conn,
1787 struct iscsi_stats *stats)
1788{
1789 struct iscsi_session *sess;
1790 struct iscsi_cls_session *cls_sess;
1791 struct ddb_entry *ddb_entry;
1792 struct scsi_qla_host *ha;
1793 struct ql_iscsi_stats *ql_iscsi_stats;
1794 int stats_size;
1795 int ret;
1796 dma_addr_t iscsi_stats_dma;
1797
1798 cls_sess = iscsi_conn_to_session(cls_conn);
1799 sess = cls_sess->dd_data;
1800 ddb_entry = sess->dd_data;
1801 ha = ddb_entry->ha;
1802
1803 DEBUG2(ql4_printk(KERN_INFO, ha, "%s: host: %ld\n", __func__,
1804 ha->host_no));
1805 stats_size = PAGE_ALIGN(sizeof(struct ql_iscsi_stats));
1806
1807 ql_iscsi_stats = dma_alloc_coherent(&ha->pdev->dev, stats_size,
1808 &iscsi_stats_dma, GFP_KERNEL);
1809 if (!ql_iscsi_stats) {
1810 ql4_printk(KERN_ERR, ha,
1811 "Unable to allocate memory for iscsi stats\n");
1812 goto exit_get_stats;
1813 }
1814
1815 ret = qla4xxx_get_mgmt_data(ha, ddb_entry->fw_ddb_index, stats_size,
1816 iscsi_stats_dma);
1817 if (ret != QLA_SUCCESS) {
1818 ql4_printk(KERN_ERR, ha,
1819 "Unable to retrieve iscsi stats\n");
1820 goto free_stats;
1821 }
1822
1823
1824 stats->txdata_octets = le64_to_cpu(ql_iscsi_stats->tx_data_octets);
1825 stats->rxdata_octets = le64_to_cpu(ql_iscsi_stats->rx_data_octets);
1826
1827 stats->noptx_pdus = le32_to_cpu(ql_iscsi_stats->tx_nopout_pdus);
1828 stats->scsicmd_pdus = le32_to_cpu(ql_iscsi_stats->tx_scsi_cmd_pdus);
1829 stats->tmfcmd_pdus = le32_to_cpu(ql_iscsi_stats->tx_tmf_cmd_pdus);
1830 stats->login_pdus = le32_to_cpu(ql_iscsi_stats->tx_login_cmd_pdus);
1831 stats->text_pdus = le32_to_cpu(ql_iscsi_stats->tx_text_cmd_pdus);
1832 stats->dataout_pdus = le32_to_cpu(ql_iscsi_stats->tx_scsi_write_pdus);
1833 stats->logout_pdus = le32_to_cpu(ql_iscsi_stats->tx_logout_cmd_pdus);
1834 stats->snack_pdus = le32_to_cpu(ql_iscsi_stats->tx_snack_req_pdus);
1835
1836 stats->noprx_pdus = le32_to_cpu(ql_iscsi_stats->rx_nopin_pdus);
1837 stats->scsirsp_pdus = le32_to_cpu(ql_iscsi_stats->rx_scsi_resp_pdus);
1838 stats->tmfrsp_pdus = le32_to_cpu(ql_iscsi_stats->rx_tmf_resp_pdus);
1839 stats->textrsp_pdus = le32_to_cpu(ql_iscsi_stats->rx_text_resp_pdus);
1840 stats->datain_pdus = le32_to_cpu(ql_iscsi_stats->rx_scsi_read_pdus);
1841 stats->logoutrsp_pdus =
1842 le32_to_cpu(ql_iscsi_stats->rx_logout_resp_pdus);
1843 stats->r2t_pdus = le32_to_cpu(ql_iscsi_stats->rx_r2t_pdus);
1844 stats->async_pdus = le32_to_cpu(ql_iscsi_stats->rx_async_pdus);
1845 stats->rjt_pdus = le32_to_cpu(ql_iscsi_stats->rx_reject_pdus);
1846
1847free_stats:
1848 dma_free_coherent(&ha->pdev->dev, stats_size, ql_iscsi_stats,
1849 iscsi_stats_dma);
1850exit_get_stats:
1851 return;
1852}
1853
1854static enum blk_eh_timer_return qla4xxx_eh_cmd_timed_out(struct scsi_cmnd *sc)
1855{
1856 struct iscsi_cls_session *session;
1857 struct iscsi_session *sess;
1858 unsigned long flags;
1859 enum blk_eh_timer_return ret = BLK_EH_NOT_HANDLED;
1860
1861 session = starget_to_session(scsi_target(sc->device));
1862 sess = session->dd_data;
1863
1864 spin_lock_irqsave(&session->lock, flags);
1865 if (session->state == ISCSI_SESSION_FAILED)
1866 ret = BLK_EH_RESET_TIMER;
1867 spin_unlock_irqrestore(&session->lock, flags);
1868
1869 return ret;
1870}
1871
1872static void qla4xxx_set_port_speed(struct Scsi_Host *shost)
1873{
1874 struct scsi_qla_host *ha = to_qla_host(shost);
1875 struct iscsi_cls_host *ihost = shost->shost_data;
1876 uint32_t speed = ISCSI_PORT_SPEED_UNKNOWN;
1877
1878 qla4xxx_get_firmware_state(ha);
1879
1880 switch (ha->addl_fw_state & 0x0F00) {
1881 case FW_ADDSTATE_LINK_SPEED_10MBPS:
1882 speed = ISCSI_PORT_SPEED_10MBPS;
1883 break;
1884 case FW_ADDSTATE_LINK_SPEED_100MBPS:
1885 speed = ISCSI_PORT_SPEED_100MBPS;
1886 break;
1887 case FW_ADDSTATE_LINK_SPEED_1GBPS:
1888 speed = ISCSI_PORT_SPEED_1GBPS;
1889 break;
1890 case FW_ADDSTATE_LINK_SPEED_10GBPS:
1891 speed = ISCSI_PORT_SPEED_10GBPS;
1892 break;
1893 }
1894 ihost->port_speed = speed;
1895}
1896
1897static void qla4xxx_set_port_state(struct Scsi_Host *shost)
1898{
1899 struct scsi_qla_host *ha = to_qla_host(shost);
1900 struct iscsi_cls_host *ihost = shost->shost_data;
1901 uint32_t state = ISCSI_PORT_STATE_DOWN;
1902
1903 if (test_bit(AF_LINK_UP, &ha->flags))
1904 state = ISCSI_PORT_STATE_UP;
1905
1906 ihost->port_state = state;
1907}
1908
1909static int qla4xxx_host_get_param(struct Scsi_Host *shost,
1910 enum iscsi_host_param param, char *buf)
1911{
1912 struct scsi_qla_host *ha = to_qla_host(shost);
1913 int len;
1914
1915 switch (param) {
1916 case ISCSI_HOST_PARAM_HWADDRESS:
1917 len = sysfs_format_mac(buf, ha->my_mac, MAC_ADDR_LEN);
1918 break;
1919 case ISCSI_HOST_PARAM_IPADDRESS:
1920 len = sprintf(buf, "%pI4\n", &ha->ip_config.ip_address);
1921 break;
1922 case ISCSI_HOST_PARAM_INITIATOR_NAME:
1923 len = sprintf(buf, "%s\n", ha->name_string);
1924 break;
1925 case ISCSI_HOST_PARAM_PORT_STATE:
1926 qla4xxx_set_port_state(shost);
1927 len = sprintf(buf, "%s\n", iscsi_get_port_state_name(shost));
1928 break;
1929 case ISCSI_HOST_PARAM_PORT_SPEED:
1930 qla4xxx_set_port_speed(shost);
1931 len = sprintf(buf, "%s\n", iscsi_get_port_speed_name(shost));
1932 break;
1933 default:
1934 return -ENOSYS;
1935 }
1936
1937 return len;
1938}
1939
1940static void qla4xxx_create_ipv4_iface(struct scsi_qla_host *ha)
1941{
1942 if (ha->iface_ipv4)
1943 return;
1944
1945
1946 ha->iface_ipv4 = iscsi_create_iface(ha->host,
1947 &qla4xxx_iscsi_transport,
1948 ISCSI_IFACE_TYPE_IPV4, 0, 0);
1949 if (!ha->iface_ipv4)
1950 ql4_printk(KERN_ERR, ha, "Could not create IPv4 iSCSI "
1951 "iface0.\n");
1952}
1953
1954static void qla4xxx_create_ipv6_iface(struct scsi_qla_host *ha)
1955{
1956 if (!ha->iface_ipv6_0)
1957
1958 ha->iface_ipv6_0 = iscsi_create_iface(ha->host,
1959 &qla4xxx_iscsi_transport,
1960 ISCSI_IFACE_TYPE_IPV6, 0,
1961 0);
1962 if (!ha->iface_ipv6_0)
1963 ql4_printk(KERN_ERR, ha, "Could not create IPv6 iSCSI "
1964 "iface0.\n");
1965
1966 if (!ha->iface_ipv6_1)
1967
1968 ha->iface_ipv6_1 = iscsi_create_iface(ha->host,
1969 &qla4xxx_iscsi_transport,
1970 ISCSI_IFACE_TYPE_IPV6, 1,
1971 0);
1972 if (!ha->iface_ipv6_1)
1973 ql4_printk(KERN_ERR, ha, "Could not create IPv6 iSCSI "
1974 "iface1.\n");
1975}
1976
1977static void qla4xxx_create_ifaces(struct scsi_qla_host *ha)
1978{
1979 if (ha->ip_config.ipv4_options & IPOPT_IPV4_PROTOCOL_ENABLE)
1980 qla4xxx_create_ipv4_iface(ha);
1981
1982 if (ha->ip_config.ipv6_options & IPV6_OPT_IPV6_PROTOCOL_ENABLE)
1983 qla4xxx_create_ipv6_iface(ha);
1984}
1985
1986static void qla4xxx_destroy_ipv4_iface(struct scsi_qla_host *ha)
1987{
1988 if (ha->iface_ipv4) {
1989 iscsi_destroy_iface(ha->iface_ipv4);
1990 ha->iface_ipv4 = NULL;
1991 }
1992}
1993
1994static void qla4xxx_destroy_ipv6_iface(struct scsi_qla_host *ha)
1995{
1996 if (ha->iface_ipv6_0) {
1997 iscsi_destroy_iface(ha->iface_ipv6_0);
1998 ha->iface_ipv6_0 = NULL;
1999 }
2000 if (ha->iface_ipv6_1) {
2001 iscsi_destroy_iface(ha->iface_ipv6_1);
2002 ha->iface_ipv6_1 = NULL;
2003 }
2004}
2005
2006static void qla4xxx_destroy_ifaces(struct scsi_qla_host *ha)
2007{
2008 qla4xxx_destroy_ipv4_iface(ha);
2009 qla4xxx_destroy_ipv6_iface(ha);
2010}
2011
2012static void qla4xxx_set_ipv6(struct scsi_qla_host *ha,
2013 struct iscsi_iface_param_info *iface_param,
2014 struct addr_ctrl_blk *init_fw_cb)
2015{
2016
2017
2018
2019
2020 switch (iface_param->param) {
2021 case ISCSI_NET_PARAM_IPV6_ADDR:
2022 if (iface_param->iface_num & 0x1)
2023
2024 memcpy(init_fw_cb->ipv6_addr1, iface_param->value,
2025 sizeof(init_fw_cb->ipv6_addr1));
2026 else
2027
2028 memcpy(init_fw_cb->ipv6_addr0, iface_param->value,
2029 sizeof(init_fw_cb->ipv6_addr0));
2030 break;
2031 case ISCSI_NET_PARAM_IPV6_LINKLOCAL:
2032 if (iface_param->iface_num & 0x1)
2033 break;
2034 memcpy(init_fw_cb->ipv6_if_id, &iface_param->value[8],
2035 sizeof(init_fw_cb->ipv6_if_id));
2036 break;
2037 case ISCSI_NET_PARAM_IPV6_ROUTER:
2038 if (iface_param->iface_num & 0x1)
2039 break;
2040 memcpy(init_fw_cb->ipv6_dflt_rtr_addr, iface_param->value,
2041 sizeof(init_fw_cb->ipv6_dflt_rtr_addr));
2042 break;
2043 case ISCSI_NET_PARAM_IPV6_ADDR_AUTOCFG:
2044
2045 if (iface_param->iface_num & 0x1)
2046 break;
2047
2048 if (iface_param->value[0] == ISCSI_IPV6_AUTOCFG_DISABLE)
2049 init_fw_cb->ipv6_addtl_opts &=
2050 cpu_to_le16(
2051 ~IPV6_ADDOPT_NEIGHBOR_DISCOVERY_ADDR_ENABLE);
2052 else if (iface_param->value[0] == ISCSI_IPV6_AUTOCFG_ND_ENABLE)
2053 init_fw_cb->ipv6_addtl_opts |=
2054 cpu_to_le16(
2055 IPV6_ADDOPT_NEIGHBOR_DISCOVERY_ADDR_ENABLE);
2056 else
2057 ql4_printk(KERN_ERR, ha,
2058 "Invalid autocfg setting for IPv6 addr\n");
2059 break;
2060 case ISCSI_NET_PARAM_IPV6_LINKLOCAL_AUTOCFG:
2061
2062 if (iface_param->iface_num & 0x1)
2063 break;
2064
2065 if (iface_param->value[0] ==
2066 ISCSI_IPV6_LINKLOCAL_AUTOCFG_ENABLE)
2067 init_fw_cb->ipv6_addtl_opts |= cpu_to_le16(
2068 IPV6_ADDOPT_AUTOCONFIG_LINK_LOCAL_ADDR);
2069 else if (iface_param->value[0] ==
2070 ISCSI_IPV6_LINKLOCAL_AUTOCFG_DISABLE)
2071 init_fw_cb->ipv6_addtl_opts &= cpu_to_le16(
2072 ~IPV6_ADDOPT_AUTOCONFIG_LINK_LOCAL_ADDR);
2073 else
2074 ql4_printk(KERN_ERR, ha,
2075 "Invalid autocfg setting for IPv6 linklocal addr\n");
2076 break;
2077 case ISCSI_NET_PARAM_IPV6_ROUTER_AUTOCFG:
2078
2079 if (iface_param->iface_num & 0x1)
2080 break;
2081
2082 if (iface_param->value[0] == ISCSI_IPV6_ROUTER_AUTOCFG_ENABLE)
2083 memset(init_fw_cb->ipv6_dflt_rtr_addr, 0,
2084 sizeof(init_fw_cb->ipv6_dflt_rtr_addr));
2085 break;
2086 case ISCSI_NET_PARAM_IFACE_ENABLE:
2087 if (iface_param->value[0] == ISCSI_IFACE_ENABLE) {
2088 init_fw_cb->ipv6_opts |=
2089 cpu_to_le16(IPV6_OPT_IPV6_PROTOCOL_ENABLE);
2090 qla4xxx_create_ipv6_iface(ha);
2091 } else {
2092 init_fw_cb->ipv6_opts &=
2093 cpu_to_le16(~IPV6_OPT_IPV6_PROTOCOL_ENABLE &
2094 0xFFFF);
2095 qla4xxx_destroy_ipv6_iface(ha);
2096 }
2097 break;
2098 case ISCSI_NET_PARAM_VLAN_TAG:
2099 if (iface_param->len != sizeof(init_fw_cb->ipv6_vlan_tag))
2100 break;
2101 init_fw_cb->ipv6_vlan_tag =
2102 cpu_to_be16(*(uint16_t *)iface_param->value);
2103 break;
2104 case ISCSI_NET_PARAM_VLAN_ENABLED:
2105 if (iface_param->value[0] == ISCSI_VLAN_ENABLE)
2106 init_fw_cb->ipv6_opts |=
2107 cpu_to_le16(IPV6_OPT_VLAN_TAGGING_ENABLE);
2108 else
2109 init_fw_cb->ipv6_opts &=
2110 cpu_to_le16(~IPV6_OPT_VLAN_TAGGING_ENABLE);
2111 break;
2112 case ISCSI_NET_PARAM_MTU:
2113 init_fw_cb->eth_mtu_size =
2114 cpu_to_le16(*(uint16_t *)iface_param->value);
2115 break;
2116 case ISCSI_NET_PARAM_PORT:
2117
2118 if (iface_param->iface_num & 0x1)
2119 break;
2120
2121 init_fw_cb->ipv6_port =
2122 cpu_to_le16(*(uint16_t *)iface_param->value);
2123 break;
2124 case ISCSI_NET_PARAM_DELAYED_ACK_EN:
2125 if (iface_param->iface_num & 0x1)
2126 break;
2127 if (iface_param->value[0] == ISCSI_NET_PARAM_DISABLE)
2128 init_fw_cb->ipv6_tcp_opts |=
2129 cpu_to_le16(IPV6_TCPOPT_DELAYED_ACK_DISABLE);
2130 else
2131 init_fw_cb->ipv6_tcp_opts &=
2132 cpu_to_le16(~IPV6_TCPOPT_DELAYED_ACK_DISABLE &
2133 0xFFFF);
2134 break;
2135 case ISCSI_NET_PARAM_TCP_NAGLE_DISABLE:
2136 if (iface_param->iface_num & 0x1)
2137 break;
2138 if (iface_param->value[0] == ISCSI_NET_PARAM_DISABLE)
2139 init_fw_cb->ipv6_tcp_opts |=
2140 cpu_to_le16(IPV6_TCPOPT_NAGLE_ALGO_DISABLE);
2141 else
2142 init_fw_cb->ipv6_tcp_opts &=
2143 cpu_to_le16(~IPV6_TCPOPT_NAGLE_ALGO_DISABLE);
2144 break;
2145 case ISCSI_NET_PARAM_TCP_WSF_DISABLE:
2146 if (iface_param->iface_num & 0x1)
2147 break;
2148 if (iface_param->value[0] == ISCSI_NET_PARAM_DISABLE)
2149 init_fw_cb->ipv6_tcp_opts |=
2150 cpu_to_le16(IPV6_TCPOPT_WINDOW_SCALE_DISABLE);
2151 else
2152 init_fw_cb->ipv6_tcp_opts &=
2153 cpu_to_le16(~IPV6_TCPOPT_WINDOW_SCALE_DISABLE);
2154 break;
2155 case ISCSI_NET_PARAM_TCP_WSF:
2156 if (iface_param->iface_num & 0x1)
2157 break;
2158 init_fw_cb->ipv6_tcp_wsf = iface_param->value[0];
2159 break;
2160 case ISCSI_NET_PARAM_TCP_TIMER_SCALE:
2161 if (iface_param->iface_num & 0x1)
2162 break;
2163 init_fw_cb->ipv6_tcp_opts &=
2164 cpu_to_le16(~IPV6_TCPOPT_TIMER_SCALE);
2165 init_fw_cb->ipv6_tcp_opts |=
2166 cpu_to_le16((iface_param->value[0] << 1) &
2167 IPV6_TCPOPT_TIMER_SCALE);
2168 break;
2169 case ISCSI_NET_PARAM_TCP_TIMESTAMP_EN:
2170 if (iface_param->iface_num & 0x1)
2171 break;
2172 if (iface_param->value[0] == ISCSI_NET_PARAM_ENABLE)
2173 init_fw_cb->ipv6_tcp_opts |=
2174 cpu_to_le16(IPV6_TCPOPT_TIMESTAMP_EN);
2175 else
2176 init_fw_cb->ipv6_tcp_opts &=
2177 cpu_to_le16(~IPV6_TCPOPT_TIMESTAMP_EN);
2178 break;
2179 case ISCSI_NET_PARAM_IPV6_GRAT_NEIGHBOR_ADV_EN:
2180 if (iface_param->iface_num & 0x1)
2181 break;
2182 if (iface_param->value[0] == ISCSI_NET_PARAM_ENABLE)
2183 init_fw_cb->ipv6_opts |=
2184 cpu_to_le16(IPV6_OPT_GRAT_NEIGHBOR_ADV_EN);
2185 else
2186 init_fw_cb->ipv6_opts &=
2187 cpu_to_le16(~IPV6_OPT_GRAT_NEIGHBOR_ADV_EN);
2188 break;
2189 case ISCSI_NET_PARAM_REDIRECT_EN:
2190 if (iface_param->iface_num & 0x1)
2191 break;
2192 if (iface_param->value[0] == ISCSI_NET_PARAM_ENABLE)
2193 init_fw_cb->ipv6_opts |=
2194 cpu_to_le16(IPV6_OPT_REDIRECT_EN);
2195 else
2196 init_fw_cb->ipv6_opts &=
2197 cpu_to_le16(~IPV6_OPT_REDIRECT_EN);
2198 break;
2199 case ISCSI_NET_PARAM_IPV6_MLD_EN:
2200 if (iface_param->iface_num & 0x1)
2201 break;
2202 if (iface_param->value[0] == ISCSI_NET_PARAM_ENABLE)
2203 init_fw_cb->ipv6_addtl_opts |=
2204 cpu_to_le16(IPV6_ADDOPT_MLD_EN);
2205 else
2206 init_fw_cb->ipv6_addtl_opts &=
2207 cpu_to_le16(~IPV6_ADDOPT_MLD_EN);
2208 break;
2209 case ISCSI_NET_PARAM_IPV6_FLOW_LABEL:
2210 if (iface_param->iface_num & 0x1)
2211 break;
2212 init_fw_cb->ipv6_flow_lbl =
2213 cpu_to_le16(*(uint16_t *)iface_param->value);
2214 break;
2215 case ISCSI_NET_PARAM_IPV6_TRAFFIC_CLASS:
2216 if (iface_param->iface_num & 0x1)
2217 break;
2218 init_fw_cb->ipv6_traffic_class = iface_param->value[0];
2219 break;
2220 case ISCSI_NET_PARAM_IPV6_HOP_LIMIT:
2221 if (iface_param->iface_num & 0x1)
2222 break;
2223 init_fw_cb->ipv6_hop_limit = iface_param->value[0];
2224 break;
2225 case ISCSI_NET_PARAM_IPV6_ND_REACHABLE_TMO:
2226 if (iface_param->iface_num & 0x1)
2227 break;
2228 init_fw_cb->ipv6_nd_reach_time =
2229 cpu_to_le32(*(uint32_t *)iface_param->value);
2230 break;
2231 case ISCSI_NET_PARAM_IPV6_ND_REXMIT_TIME:
2232 if (iface_param->iface_num & 0x1)
2233 break;
2234 init_fw_cb->ipv6_nd_rexmit_timer =
2235 cpu_to_le32(*(uint32_t *)iface_param->value);
2236 break;
2237 case ISCSI_NET_PARAM_IPV6_ND_STALE_TMO:
2238 if (iface_param->iface_num & 0x1)
2239 break;
2240 init_fw_cb->ipv6_nd_stale_timeout =
2241 cpu_to_le32(*(uint32_t *)iface_param->value);
2242 break;
2243 case ISCSI_NET_PARAM_IPV6_DUP_ADDR_DETECT_CNT:
2244 if (iface_param->iface_num & 0x1)
2245 break;
2246 init_fw_cb->ipv6_dup_addr_detect_count = iface_param->value[0];
2247 break;
2248 case ISCSI_NET_PARAM_IPV6_RTR_ADV_LINK_MTU:
2249 if (iface_param->iface_num & 0x1)
2250 break;
2251 init_fw_cb->ipv6_gw_advrt_mtu =
2252 cpu_to_le32(*(uint32_t *)iface_param->value);
2253 break;
2254 default:
2255 ql4_printk(KERN_ERR, ha, "Unknown IPv6 param = %d\n",
2256 iface_param->param);
2257 break;
2258 }
2259}
2260
2261static void qla4xxx_set_ipv4(struct scsi_qla_host *ha,
2262 struct iscsi_iface_param_info *iface_param,
2263 struct addr_ctrl_blk *init_fw_cb)
2264{
2265 switch (iface_param->param) {
2266 case ISCSI_NET_PARAM_IPV4_ADDR:
2267 memcpy(init_fw_cb->ipv4_addr, iface_param->value,
2268 sizeof(init_fw_cb->ipv4_addr));
2269 break;
2270 case ISCSI_NET_PARAM_IPV4_SUBNET:
2271 memcpy(init_fw_cb->ipv4_subnet, iface_param->value,
2272 sizeof(init_fw_cb->ipv4_subnet));
2273 break;
2274 case ISCSI_NET_PARAM_IPV4_GW:
2275 memcpy(init_fw_cb->ipv4_gw_addr, iface_param->value,
2276 sizeof(init_fw_cb->ipv4_gw_addr));
2277 break;
2278 case ISCSI_NET_PARAM_IPV4_BOOTPROTO:
2279 if (iface_param->value[0] == ISCSI_BOOTPROTO_DHCP)
2280 init_fw_cb->ipv4_tcp_opts |=
2281 cpu_to_le16(TCPOPT_DHCP_ENABLE);
2282 else if (iface_param->value[0] == ISCSI_BOOTPROTO_STATIC)
2283 init_fw_cb->ipv4_tcp_opts &=
2284 cpu_to_le16(~TCPOPT_DHCP_ENABLE);
2285 else
2286 ql4_printk(KERN_ERR, ha, "Invalid IPv4 bootproto\n");
2287 break;
2288 case ISCSI_NET_PARAM_IFACE_ENABLE:
2289 if (iface_param->value[0] == ISCSI_IFACE_ENABLE) {
2290 init_fw_cb->ipv4_ip_opts |=
2291 cpu_to_le16(IPOPT_IPV4_PROTOCOL_ENABLE);
2292 qla4xxx_create_ipv4_iface(ha);
2293 } else {
2294 init_fw_cb->ipv4_ip_opts &=
2295 cpu_to_le16(~IPOPT_IPV4_PROTOCOL_ENABLE &
2296 0xFFFF);
2297 qla4xxx_destroy_ipv4_iface(ha);
2298 }
2299 break;
2300 case ISCSI_NET_PARAM_VLAN_TAG:
2301 if (iface_param->len != sizeof(init_fw_cb->ipv4_vlan_tag))
2302 break;
2303 init_fw_cb->ipv4_vlan_tag =
2304 cpu_to_be16(*(uint16_t *)iface_param->value);
2305 break;
2306 case ISCSI_NET_PARAM_VLAN_ENABLED:
2307 if (iface_param->value[0] == ISCSI_VLAN_ENABLE)
2308 init_fw_cb->ipv4_ip_opts |=
2309 cpu_to_le16(IPOPT_VLAN_TAGGING_ENABLE);
2310 else
2311 init_fw_cb->ipv4_ip_opts &=
2312 cpu_to_le16(~IPOPT_VLAN_TAGGING_ENABLE);
2313 break;
2314 case ISCSI_NET_PARAM_MTU:
2315 init_fw_cb->eth_mtu_size =
2316 cpu_to_le16(*(uint16_t *)iface_param->value);
2317 break;
2318 case ISCSI_NET_PARAM_PORT:
2319 init_fw_cb->ipv4_port =
2320 cpu_to_le16(*(uint16_t *)iface_param->value);
2321 break;
2322 case ISCSI_NET_PARAM_DELAYED_ACK_EN:
2323 if (iface_param->iface_num & 0x1)
2324 break;
2325 if (iface_param->value[0] == ISCSI_NET_PARAM_DISABLE)
2326 init_fw_cb->ipv4_tcp_opts |=
2327 cpu_to_le16(TCPOPT_DELAYED_ACK_DISABLE);
2328 else
2329 init_fw_cb->ipv4_tcp_opts &=
2330 cpu_to_le16(~TCPOPT_DELAYED_ACK_DISABLE &
2331 0xFFFF);
2332 break;
2333 case ISCSI_NET_PARAM_TCP_NAGLE_DISABLE:
2334 if (iface_param->iface_num & 0x1)
2335 break;
2336 if (iface_param->value[0] == ISCSI_NET_PARAM_DISABLE)
2337 init_fw_cb->ipv4_tcp_opts |=
2338 cpu_to_le16(TCPOPT_NAGLE_ALGO_DISABLE);
2339 else
2340 init_fw_cb->ipv4_tcp_opts &=
2341 cpu_to_le16(~TCPOPT_NAGLE_ALGO_DISABLE);
2342 break;
2343 case ISCSI_NET_PARAM_TCP_WSF_DISABLE:
2344 if (iface_param->iface_num & 0x1)
2345 break;
2346 if (iface_param->value[0] == ISCSI_NET_PARAM_DISABLE)
2347 init_fw_cb->ipv4_tcp_opts |=
2348 cpu_to_le16(TCPOPT_WINDOW_SCALE_DISABLE);
2349 else
2350 init_fw_cb->ipv4_tcp_opts &=
2351 cpu_to_le16(~TCPOPT_WINDOW_SCALE_DISABLE);
2352 break;
2353 case ISCSI_NET_PARAM_TCP_WSF:
2354 if (iface_param->iface_num & 0x1)
2355 break;
2356 init_fw_cb->ipv4_tcp_wsf = iface_param->value[0];
2357 break;
2358 case ISCSI_NET_PARAM_TCP_TIMER_SCALE:
2359 if (iface_param->iface_num & 0x1)
2360 break;
2361 init_fw_cb->ipv4_tcp_opts &= cpu_to_le16(~TCPOPT_TIMER_SCALE);
2362 init_fw_cb->ipv4_tcp_opts |=
2363 cpu_to_le16((iface_param->value[0] << 1) &
2364 TCPOPT_TIMER_SCALE);
2365 break;
2366 case ISCSI_NET_PARAM_TCP_TIMESTAMP_EN:
2367 if (iface_param->iface_num & 0x1)
2368 break;
2369 if (iface_param->value[0] == ISCSI_NET_PARAM_ENABLE)
2370 init_fw_cb->ipv4_tcp_opts |=
2371 cpu_to_le16(TCPOPT_TIMESTAMP_ENABLE);
2372 else
2373 init_fw_cb->ipv4_tcp_opts &=
2374 cpu_to_le16(~TCPOPT_TIMESTAMP_ENABLE);
2375 break;
2376 case ISCSI_NET_PARAM_IPV4_DHCP_DNS_ADDR_EN:
2377 if (iface_param->iface_num & 0x1)
2378 break;
2379 if (iface_param->value[0] == ISCSI_NET_PARAM_ENABLE)
2380 init_fw_cb->ipv4_tcp_opts |=
2381 cpu_to_le16(TCPOPT_DNS_SERVER_IP_EN);
2382 else
2383 init_fw_cb->ipv4_tcp_opts &=
2384 cpu_to_le16(~TCPOPT_DNS_SERVER_IP_EN);
2385 break;
2386 case ISCSI_NET_PARAM_IPV4_DHCP_SLP_DA_EN:
2387 if (iface_param->iface_num & 0x1)
2388 break;
2389 if (iface_param->value[0] == ISCSI_NET_PARAM_ENABLE)
2390 init_fw_cb->ipv4_tcp_opts |=
2391 cpu_to_le16(TCPOPT_SLP_DA_INFO_EN);
2392 else
2393 init_fw_cb->ipv4_tcp_opts &=
2394 cpu_to_le16(~TCPOPT_SLP_DA_INFO_EN);
2395 break;
2396 case ISCSI_NET_PARAM_IPV4_TOS_EN:
2397 if (iface_param->iface_num & 0x1)
2398 break;
2399 if (iface_param->value[0] == ISCSI_NET_PARAM_ENABLE)
2400 init_fw_cb->ipv4_ip_opts |=
2401 cpu_to_le16(IPOPT_IPV4_TOS_EN);
2402 else
2403 init_fw_cb->ipv4_ip_opts &=
2404 cpu_to_le16(~IPOPT_IPV4_TOS_EN);
2405 break;
2406 case ISCSI_NET_PARAM_IPV4_TOS:
2407 if (iface_param->iface_num & 0x1)
2408 break;
2409 init_fw_cb->ipv4_tos = iface_param->value[0];
2410 break;
2411 case ISCSI_NET_PARAM_IPV4_GRAT_ARP_EN:
2412 if (iface_param->iface_num & 0x1)
2413 break;
2414 if (iface_param->value[0] == ISCSI_NET_PARAM_ENABLE)
2415 init_fw_cb->ipv4_ip_opts |=
2416 cpu_to_le16(IPOPT_GRAT_ARP_EN);
2417 else
2418 init_fw_cb->ipv4_ip_opts &=
2419 cpu_to_le16(~IPOPT_GRAT_ARP_EN);
2420 break;
2421 case ISCSI_NET_PARAM_IPV4_DHCP_ALT_CLIENT_ID_EN:
2422 if (iface_param->iface_num & 0x1)
2423 break;
2424 if (iface_param->value[0] == ISCSI_NET_PARAM_ENABLE)
2425 init_fw_cb->ipv4_ip_opts |=
2426 cpu_to_le16(IPOPT_ALT_CID_EN);
2427 else
2428 init_fw_cb->ipv4_ip_opts &=
2429 cpu_to_le16(~IPOPT_ALT_CID_EN);
2430 break;
2431 case ISCSI_NET_PARAM_IPV4_DHCP_ALT_CLIENT_ID:
2432 if (iface_param->iface_num & 0x1)
2433 break;
2434 memcpy(init_fw_cb->ipv4_dhcp_alt_cid, iface_param->value,
2435 (sizeof(init_fw_cb->ipv4_dhcp_alt_cid) - 1));
2436 init_fw_cb->ipv4_dhcp_alt_cid_len =
2437 strlen(init_fw_cb->ipv4_dhcp_alt_cid);
2438 break;
2439 case ISCSI_NET_PARAM_IPV4_DHCP_REQ_VENDOR_ID_EN:
2440 if (iface_param->iface_num & 0x1)
2441 break;
2442 if (iface_param->value[0] == ISCSI_NET_PARAM_ENABLE)
2443 init_fw_cb->ipv4_ip_opts |=
2444 cpu_to_le16(IPOPT_REQ_VID_EN);
2445 else
2446 init_fw_cb->ipv4_ip_opts &=
2447 cpu_to_le16(~IPOPT_REQ_VID_EN);
2448 break;
2449 case ISCSI_NET_PARAM_IPV4_DHCP_USE_VENDOR_ID_EN:
2450 if (iface_param->iface_num & 0x1)
2451 break;
2452 if (iface_param->value[0] == ISCSI_NET_PARAM_ENABLE)
2453 init_fw_cb->ipv4_ip_opts |=
2454 cpu_to_le16(IPOPT_USE_VID_EN);
2455 else
2456 init_fw_cb->ipv4_ip_opts &=
2457 cpu_to_le16(~IPOPT_USE_VID_EN);
2458 break;
2459 case ISCSI_NET_PARAM_IPV4_DHCP_VENDOR_ID:
2460 if (iface_param->iface_num & 0x1)
2461 break;
2462 memcpy(init_fw_cb->ipv4_dhcp_vid, iface_param->value,
2463 (sizeof(init_fw_cb->ipv4_dhcp_vid) - 1));
2464 init_fw_cb->ipv4_dhcp_vid_len =
2465 strlen(init_fw_cb->ipv4_dhcp_vid);
2466 break;
2467 case ISCSI_NET_PARAM_IPV4_DHCP_LEARN_IQN_EN:
2468 if (iface_param->iface_num & 0x1)
2469 break;
2470 if (iface_param->value[0] == ISCSI_NET_PARAM_ENABLE)
2471 init_fw_cb->ipv4_ip_opts |=
2472 cpu_to_le16(IPOPT_LEARN_IQN_EN);
2473 else
2474 init_fw_cb->ipv4_ip_opts &=
2475 cpu_to_le16(~IPOPT_LEARN_IQN_EN);
2476 break;
2477 case ISCSI_NET_PARAM_IPV4_FRAGMENT_DISABLE:
2478 if (iface_param->iface_num & 0x1)
2479 break;
2480 if (iface_param->value[0] == ISCSI_NET_PARAM_DISABLE)
2481 init_fw_cb->ipv4_ip_opts |=
2482 cpu_to_le16(IPOPT_FRAGMENTATION_DISABLE);
2483 else
2484 init_fw_cb->ipv4_ip_opts &=
2485 cpu_to_le16(~IPOPT_FRAGMENTATION_DISABLE);
2486 break;
2487 case ISCSI_NET_PARAM_IPV4_IN_FORWARD_EN:
2488 if (iface_param->iface_num & 0x1)
2489 break;
2490 if (iface_param->value[0] == ISCSI_NET_PARAM_ENABLE)
2491 init_fw_cb->ipv4_ip_opts |=
2492 cpu_to_le16(IPOPT_IN_FORWARD_EN);
2493 else
2494 init_fw_cb->ipv4_ip_opts &=
2495 cpu_to_le16(~IPOPT_IN_FORWARD_EN);
2496 break;
2497 case ISCSI_NET_PARAM_REDIRECT_EN:
2498 if (iface_param->iface_num & 0x1)
2499 break;
2500 if (iface_param->value[0] == ISCSI_NET_PARAM_ENABLE)
2501 init_fw_cb->ipv4_ip_opts |=
2502 cpu_to_le16(IPOPT_ARP_REDIRECT_EN);
2503 else
2504 init_fw_cb->ipv4_ip_opts &=
2505 cpu_to_le16(~IPOPT_ARP_REDIRECT_EN);
2506 break;
2507 case ISCSI_NET_PARAM_IPV4_TTL:
2508 if (iface_param->iface_num & 0x1)
2509 break;
2510 init_fw_cb->ipv4_ttl = iface_param->value[0];
2511 break;
2512 default:
2513 ql4_printk(KERN_ERR, ha, "Unknown IPv4 param = %d\n",
2514 iface_param->param);
2515 break;
2516 }
2517}
2518
2519static void qla4xxx_set_iscsi_param(struct scsi_qla_host *ha,
2520 struct iscsi_iface_param_info *iface_param,
2521 struct addr_ctrl_blk *init_fw_cb)
2522{
2523 switch (iface_param->param) {
2524 case ISCSI_IFACE_PARAM_DEF_TASKMGMT_TMO:
2525 if (iface_param->iface_num & 0x1)
2526 break;
2527 init_fw_cb->def_timeout =
2528 cpu_to_le16(*(uint16_t *)iface_param->value);
2529 break;
2530 case ISCSI_IFACE_PARAM_HDRDGST_EN:
2531 if (iface_param->iface_num & 0x1)
2532 break;
2533 if (iface_param->value[0] == ISCSI_NET_PARAM_ENABLE)
2534 init_fw_cb->iscsi_opts |=
2535 cpu_to_le16(ISCSIOPTS_HEADER_DIGEST_EN);
2536 else
2537 init_fw_cb->iscsi_opts &=
2538 cpu_to_le16(~ISCSIOPTS_HEADER_DIGEST_EN);
2539 break;
2540 case ISCSI_IFACE_PARAM_DATADGST_EN:
2541 if (iface_param->iface_num & 0x1)
2542 break;
2543 if (iface_param->value[0] == ISCSI_NET_PARAM_ENABLE)
2544 init_fw_cb->iscsi_opts |=
2545 cpu_to_le16(ISCSIOPTS_DATA_DIGEST_EN);
2546 else
2547 init_fw_cb->iscsi_opts &=
2548 cpu_to_le16(~ISCSIOPTS_DATA_DIGEST_EN);
2549 break;
2550 case ISCSI_IFACE_PARAM_IMM_DATA_EN:
2551 if (iface_param->iface_num & 0x1)
2552 break;
2553 if (iface_param->value[0] == ISCSI_NET_PARAM_ENABLE)
2554 init_fw_cb->iscsi_opts |=
2555 cpu_to_le16(ISCSIOPTS_IMMEDIATE_DATA_EN);
2556 else
2557 init_fw_cb->iscsi_opts &=
2558 cpu_to_le16(~ISCSIOPTS_IMMEDIATE_DATA_EN);
2559 break;
2560 case ISCSI_IFACE_PARAM_INITIAL_R2T_EN:
2561 if (iface_param->iface_num & 0x1)
2562 break;
2563 if (iface_param->value[0] == ISCSI_NET_PARAM_ENABLE)
2564 init_fw_cb->iscsi_opts |=
2565 cpu_to_le16(ISCSIOPTS_INITIAL_R2T_EN);
2566 else
2567 init_fw_cb->iscsi_opts &=
2568 cpu_to_le16(~ISCSIOPTS_INITIAL_R2T_EN);
2569 break;
2570 case ISCSI_IFACE_PARAM_DATASEQ_INORDER_EN:
2571 if (iface_param->iface_num & 0x1)
2572 break;
2573 if (iface_param->value[0] == ISCSI_NET_PARAM_ENABLE)
2574 init_fw_cb->iscsi_opts |=
2575 cpu_to_le16(ISCSIOPTS_DATA_SEQ_INORDER_EN);
2576 else
2577 init_fw_cb->iscsi_opts &=
2578 cpu_to_le16(~ISCSIOPTS_DATA_SEQ_INORDER_EN);
2579 break;
2580 case ISCSI_IFACE_PARAM_PDU_INORDER_EN:
2581 if (iface_param->iface_num & 0x1)
2582 break;
2583 if (iface_param->value[0] == ISCSI_NET_PARAM_ENABLE)
2584 init_fw_cb->iscsi_opts |=
2585 cpu_to_le16(ISCSIOPTS_DATA_PDU_INORDER_EN);
2586 else
2587 init_fw_cb->iscsi_opts &=
2588 cpu_to_le16(~ISCSIOPTS_DATA_PDU_INORDER_EN);
2589 break;
2590 case ISCSI_IFACE_PARAM_ERL:
2591 if (iface_param->iface_num & 0x1)
2592 break;
2593 init_fw_cb->iscsi_opts &= cpu_to_le16(~ISCSIOPTS_ERL);
2594 init_fw_cb->iscsi_opts |= cpu_to_le16(iface_param->value[0] &
2595 ISCSIOPTS_ERL);
2596 break;
2597 case ISCSI_IFACE_PARAM_MAX_RECV_DLENGTH:
2598 if (iface_param->iface_num & 0x1)
2599 break;
2600 init_fw_cb->iscsi_max_pdu_size =
2601 cpu_to_le32(*(uint32_t *)iface_param->value) /
2602 BYTE_UNITS;
2603 break;
2604 case ISCSI_IFACE_PARAM_FIRST_BURST:
2605 if (iface_param->iface_num & 0x1)
2606 break;
2607 init_fw_cb->iscsi_fburst_len =
2608 cpu_to_le32(*(uint32_t *)iface_param->value) /
2609 BYTE_UNITS;
2610 break;
2611 case ISCSI_IFACE_PARAM_MAX_R2T:
2612 if (iface_param->iface_num & 0x1)
2613 break;
2614 init_fw_cb->iscsi_max_outstnd_r2t =
2615 cpu_to_le16(*(uint16_t *)iface_param->value);
2616 break;
2617 case ISCSI_IFACE_PARAM_MAX_BURST:
2618 if (iface_param->iface_num & 0x1)
2619 break;
2620 init_fw_cb->iscsi_max_burst_len =
2621 cpu_to_le32(*(uint32_t *)iface_param->value) /
2622 BYTE_UNITS;
2623 break;
2624 case ISCSI_IFACE_PARAM_CHAP_AUTH_EN:
2625 if (iface_param->iface_num & 0x1)
2626 break;
2627 if (iface_param->value[0] == ISCSI_NET_PARAM_ENABLE)
2628 init_fw_cb->iscsi_opts |=
2629 cpu_to_le16(ISCSIOPTS_CHAP_AUTH_EN);
2630 else
2631 init_fw_cb->iscsi_opts &=
2632 cpu_to_le16(~ISCSIOPTS_CHAP_AUTH_EN);
2633 break;
2634 case ISCSI_IFACE_PARAM_BIDI_CHAP_EN:
2635 if (iface_param->iface_num & 0x1)
2636 break;
2637 if (iface_param->value[0] == ISCSI_NET_PARAM_ENABLE)
2638 init_fw_cb->iscsi_opts |=
2639 cpu_to_le16(ISCSIOPTS_BIDI_CHAP_EN);
2640 else
2641 init_fw_cb->iscsi_opts &=
2642 cpu_to_le16(~ISCSIOPTS_BIDI_CHAP_EN);
2643 break;
2644 case ISCSI_IFACE_PARAM_DISCOVERY_AUTH_OPTIONAL:
2645 if (iface_param->iface_num & 0x1)
2646 break;
2647 if (iface_param->value[0] == ISCSI_NET_PARAM_ENABLE)
2648 init_fw_cb->iscsi_opts |=
2649 cpu_to_le16(ISCSIOPTS_DISCOVERY_AUTH_EN);
2650 else
2651 init_fw_cb->iscsi_opts &=
2652 cpu_to_le16(~ISCSIOPTS_DISCOVERY_AUTH_EN);
2653 break;
2654 case ISCSI_IFACE_PARAM_DISCOVERY_LOGOUT_EN:
2655 if (iface_param->iface_num & 0x1)
2656 break;
2657 if (iface_param->value[0] == ISCSI_NET_PARAM_ENABLE)
2658 init_fw_cb->iscsi_opts |=
2659 cpu_to_le16(ISCSIOPTS_DISCOVERY_LOGOUT_EN);
2660 else
2661 init_fw_cb->iscsi_opts &=
2662 cpu_to_le16(~ISCSIOPTS_DISCOVERY_LOGOUT_EN);
2663 break;
2664 case ISCSI_IFACE_PARAM_STRICT_LOGIN_COMP_EN:
2665 if (iface_param->iface_num & 0x1)
2666 break;
2667 if (iface_param->value[0] == ISCSI_NET_PARAM_ENABLE)
2668 init_fw_cb->iscsi_opts |=
2669 cpu_to_le16(ISCSIOPTS_STRICT_LOGIN_COMP_EN);
2670 else
2671 init_fw_cb->iscsi_opts &=
2672 cpu_to_le16(~ISCSIOPTS_STRICT_LOGIN_COMP_EN);
2673 break;
2674 default:
2675 ql4_printk(KERN_ERR, ha, "Unknown iscsi param = %d\n",
2676 iface_param->param);
2677 break;
2678 }
2679}
2680
2681static void
2682qla4xxx_initcb_to_acb(struct addr_ctrl_blk *init_fw_cb)
2683{
2684 struct addr_ctrl_blk_def *acb;
2685 acb = (struct addr_ctrl_blk_def *)init_fw_cb;
2686 memset(acb->reserved1, 0, sizeof(acb->reserved1));
2687 memset(acb->reserved2, 0, sizeof(acb->reserved2));
2688 memset(acb->reserved3, 0, sizeof(acb->reserved3));
2689 memset(acb->reserved4, 0, sizeof(acb->reserved4));
2690 memset(acb->reserved5, 0, sizeof(acb->reserved5));
2691 memset(acb->reserved6, 0, sizeof(acb->reserved6));
2692 memset(acb->reserved7, 0, sizeof(acb->reserved7));
2693 memset(acb->reserved8, 0, sizeof(acb->reserved8));
2694 memset(acb->reserved9, 0, sizeof(acb->reserved9));
2695 memset(acb->reserved10, 0, sizeof(acb->reserved10));
2696 memset(acb->reserved11, 0, sizeof(acb->reserved11));
2697 memset(acb->reserved12, 0, sizeof(acb->reserved12));
2698 memset(acb->reserved13, 0, sizeof(acb->reserved13));
2699 memset(acb->reserved14, 0, sizeof(acb->reserved14));
2700 memset(acb->reserved15, 0, sizeof(acb->reserved15));
2701}
2702
2703static int
2704qla4xxx_iface_set_param(struct Scsi_Host *shost, void *data, uint32_t len)
2705{
2706 struct scsi_qla_host *ha = to_qla_host(shost);
2707 int rval = 0;
2708 struct iscsi_iface_param_info *iface_param = NULL;
2709 struct addr_ctrl_blk *init_fw_cb = NULL;
2710 dma_addr_t init_fw_cb_dma;
2711 uint32_t mbox_cmd[MBOX_REG_COUNT];
2712 uint32_t mbox_sts[MBOX_REG_COUNT];
2713 uint32_t rem = len;
2714 struct nlattr *attr;
2715
2716 init_fw_cb = dma_alloc_coherent(&ha->pdev->dev,
2717 sizeof(struct addr_ctrl_blk),
2718 &init_fw_cb_dma, GFP_KERNEL);
2719 if (!init_fw_cb) {
2720 ql4_printk(KERN_ERR, ha, "%s: Unable to alloc init_cb\n",
2721 __func__);
2722 return -ENOMEM;
2723 }
2724
2725 memset(init_fw_cb, 0, sizeof(struct addr_ctrl_blk));
2726 memset(&mbox_cmd, 0, sizeof(mbox_cmd));
2727 memset(&mbox_sts, 0, sizeof(mbox_sts));
2728
2729 if (qla4xxx_get_ifcb(ha, &mbox_cmd[0], &mbox_sts[0], init_fw_cb_dma)) {
2730 ql4_printk(KERN_ERR, ha, "%s: get ifcb failed\n", __func__);
2731 rval = -EIO;
2732 goto exit_init_fw_cb;
2733 }
2734
2735 nla_for_each_attr(attr, data, len, rem) {
2736 iface_param = nla_data(attr);
2737
2738 if (iface_param->param_type == ISCSI_NET_PARAM) {
2739 switch (iface_param->iface_type) {
2740 case ISCSI_IFACE_TYPE_IPV4:
2741 switch (iface_param->iface_num) {
2742 case 0:
2743 qla4xxx_set_ipv4(ha, iface_param,
2744 init_fw_cb);
2745 break;
2746 default:
2747
2748 ql4_printk(KERN_ERR, ha,
2749 "Invalid IPv4 iface number = %d\n",
2750 iface_param->iface_num);
2751 break;
2752 }
2753 break;
2754 case ISCSI_IFACE_TYPE_IPV6:
2755 switch (iface_param->iface_num) {
2756 case 0:
2757 case 1:
2758 qla4xxx_set_ipv6(ha, iface_param,
2759 init_fw_cb);
2760 break;
2761 default:
2762
2763 ql4_printk(KERN_ERR, ha,
2764 "Invalid IPv6 iface number = %d\n",
2765 iface_param->iface_num);
2766 break;
2767 }
2768 break;
2769 default:
2770 ql4_printk(KERN_ERR, ha,
2771 "Invalid iface type\n");
2772 break;
2773 }
2774 } else if (iface_param->param_type == ISCSI_IFACE_PARAM) {
2775 qla4xxx_set_iscsi_param(ha, iface_param,
2776 init_fw_cb);
2777 } else {
2778 continue;
2779 }
2780 }
2781
2782 init_fw_cb->cookie = cpu_to_le32(0x11BEAD5A);
2783
2784 rval = qla4xxx_set_flash(ha, init_fw_cb_dma, FLASH_SEGMENT_IFCB,
2785 sizeof(struct addr_ctrl_blk),
2786 FLASH_OPT_RMW_COMMIT);
2787 if (rval != QLA_SUCCESS) {
2788 ql4_printk(KERN_ERR, ha, "%s: set flash mbx failed\n",
2789 __func__);
2790 rval = -EIO;
2791 goto exit_init_fw_cb;
2792 }
2793
2794 rval = qla4xxx_disable_acb(ha);
2795 if (rval != QLA_SUCCESS) {
2796 ql4_printk(KERN_ERR, ha, "%s: disable acb mbx failed\n",
2797 __func__);
2798 rval = -EIO;
2799 goto exit_init_fw_cb;
2800 }
2801
2802 wait_for_completion_timeout(&ha->disable_acb_comp,
2803 DISABLE_ACB_TOV * HZ);
2804
2805 qla4xxx_initcb_to_acb(init_fw_cb);
2806
2807 rval = qla4xxx_set_acb(ha, &mbox_cmd[0], &mbox_sts[0], init_fw_cb_dma);
2808 if (rval != QLA_SUCCESS) {
2809 ql4_printk(KERN_ERR, ha, "%s: set acb mbx failed\n",
2810 __func__);
2811 rval = -EIO;
2812 goto exit_init_fw_cb;
2813 }
2814
2815 memset(init_fw_cb, 0, sizeof(struct addr_ctrl_blk));
2816 qla4xxx_update_local_ifcb(ha, &mbox_cmd[0], &mbox_sts[0], init_fw_cb,
2817 init_fw_cb_dma);
2818
2819exit_init_fw_cb:
2820 dma_free_coherent(&ha->pdev->dev, sizeof(struct addr_ctrl_blk),
2821 init_fw_cb, init_fw_cb_dma);
2822
2823 return rval;
2824}
2825
2826static int qla4xxx_session_get_param(struct iscsi_cls_session *cls_sess,
2827 enum iscsi_param param, char *buf)
2828{
2829 struct iscsi_session *sess = cls_sess->dd_data;
2830 struct ddb_entry *ddb_entry = sess->dd_data;
2831 struct scsi_qla_host *ha = ddb_entry->ha;
2832 struct iscsi_cls_conn *cls_conn = ddb_entry->conn;
2833 struct ql4_chap_table chap_tbl;
2834 int rval, len;
2835 uint16_t idx;
2836
2837 memset(&chap_tbl, 0, sizeof(chap_tbl));
2838 switch (param) {
2839 case ISCSI_PARAM_CHAP_IN_IDX:
2840 rval = qla4xxx_get_chap_index(ha, sess->username_in,
2841 sess->password_in, BIDI_CHAP,
2842 &idx);
2843 if (rval)
2844 len = sprintf(buf, "\n");
2845 else
2846 len = sprintf(buf, "%hu\n", idx);
2847 break;
2848 case ISCSI_PARAM_CHAP_OUT_IDX:
2849 if (ddb_entry->ddb_type == FLASH_DDB) {
2850 if (ddb_entry->chap_tbl_idx != INVALID_ENTRY) {
2851 idx = ddb_entry->chap_tbl_idx;
2852 rval = QLA_SUCCESS;
2853 } else {
2854 rval = QLA_ERROR;
2855 }
2856 } else {
2857 rval = qla4xxx_get_chap_index(ha, sess->username,
2858 sess->password,
2859 LOCAL_CHAP, &idx);
2860 }
2861 if (rval)
2862 len = sprintf(buf, "\n");
2863 else
2864 len = sprintf(buf, "%hu\n", idx);
2865 break;
2866 case ISCSI_PARAM_USERNAME:
2867 case ISCSI_PARAM_PASSWORD:
2868
2869
2870
2871
2872 if (ddb_entry->ddb_type == FLASH_DDB &&
2873 ddb_entry->chap_tbl_idx != INVALID_ENTRY &&
2874 !sess->username && !sess->password) {
2875 idx = ddb_entry->chap_tbl_idx;
2876 rval = qla4xxx_get_uni_chap_at_index(ha, chap_tbl.name,
2877 chap_tbl.secret,
2878 idx);
2879 if (!rval) {
2880 iscsi_set_param(cls_conn, ISCSI_PARAM_USERNAME,
2881 (char *)chap_tbl.name,
2882 strlen((char *)chap_tbl.name));
2883 iscsi_set_param(cls_conn, ISCSI_PARAM_PASSWORD,
2884 (char *)chap_tbl.secret,
2885 chap_tbl.secret_len);
2886 }
2887 }
2888
2889 default:
2890 return iscsi_session_get_param(cls_sess, param, buf);
2891 }
2892
2893 return len;
2894}
2895
2896static int qla4xxx_conn_get_param(struct iscsi_cls_conn *cls_conn,
2897 enum iscsi_param param, char *buf)
2898{
2899 struct iscsi_conn *conn;
2900 struct qla_conn *qla_conn;
2901 struct sockaddr *dst_addr;
2902
2903 conn = cls_conn->dd_data;
2904 qla_conn = conn->dd_data;
2905 dst_addr = (struct sockaddr *)&qla_conn->qla_ep->dst_addr;
2906
2907 switch (param) {
2908 case ISCSI_PARAM_CONN_PORT:
2909 case ISCSI_PARAM_CONN_ADDRESS:
2910 return iscsi_conn_get_addr_param((struct sockaddr_storage *)
2911 dst_addr, param, buf);
2912 default:
2913 return iscsi_conn_get_param(cls_conn, param, buf);
2914 }
2915}
2916
2917int qla4xxx_get_ddb_index(struct scsi_qla_host *ha, uint16_t *ddb_index)
2918{
2919 uint32_t mbx_sts = 0;
2920 uint16_t tmp_ddb_index;
2921 int ret;
2922
2923get_ddb_index:
2924 tmp_ddb_index = find_first_zero_bit(ha->ddb_idx_map, MAX_DDB_ENTRIES);
2925
2926 if (tmp_ddb_index >= MAX_DDB_ENTRIES) {
2927 DEBUG2(ql4_printk(KERN_INFO, ha,
2928 "Free DDB index not available\n"));
2929 ret = QLA_ERROR;
2930 goto exit_get_ddb_index;
2931 }
2932
2933 if (test_and_set_bit(tmp_ddb_index, ha->ddb_idx_map))
2934 goto get_ddb_index;
2935
2936 DEBUG2(ql4_printk(KERN_INFO, ha,
2937 "Found a free DDB index at %d\n", tmp_ddb_index));
2938 ret = qla4xxx_req_ddb_entry(ha, tmp_ddb_index, &mbx_sts);
2939 if (ret == QLA_ERROR) {
2940 if (mbx_sts == MBOX_STS_COMMAND_ERROR) {
2941 ql4_printk(KERN_INFO, ha,
2942 "DDB index = %d not available trying next\n",
2943 tmp_ddb_index);
2944 goto get_ddb_index;
2945 }
2946 DEBUG2(ql4_printk(KERN_INFO, ha,
2947 "Free FW DDB not available\n"));
2948 }
2949
2950 *ddb_index = tmp_ddb_index;
2951
2952exit_get_ddb_index:
2953 return ret;
2954}
2955
2956static int qla4xxx_match_ipaddress(struct scsi_qla_host *ha,
2957 struct ddb_entry *ddb_entry,
2958 char *existing_ipaddr,
2959 char *user_ipaddr)
2960{
2961 uint8_t dst_ipaddr[IPv6_ADDR_LEN];
2962 char formatted_ipaddr[DDB_IPADDR_LEN];
2963 int status = QLA_SUCCESS, ret = 0;
2964
2965 if (ddb_entry->fw_ddb_entry.options & DDB_OPT_IPV6_DEVICE) {
2966 ret = in6_pton(user_ipaddr, strlen(user_ipaddr), dst_ipaddr,
2967 '\0', NULL);
2968 if (ret == 0) {
2969 status = QLA_ERROR;
2970 goto out_match;
2971 }
2972 ret = sprintf(formatted_ipaddr, "%pI6", dst_ipaddr);
2973 } else {
2974 ret = in4_pton(user_ipaddr, strlen(user_ipaddr), dst_ipaddr,
2975 '\0', NULL);
2976 if (ret == 0) {
2977 status = QLA_ERROR;
2978 goto out_match;
2979 }
2980 ret = sprintf(formatted_ipaddr, "%pI4", dst_ipaddr);
2981 }
2982
2983 if (strcmp(existing_ipaddr, formatted_ipaddr))
2984 status = QLA_ERROR;
2985
2986out_match:
2987 return status;
2988}
2989
2990static int qla4xxx_match_fwdb_session(struct scsi_qla_host *ha,
2991 struct iscsi_cls_conn *cls_conn)
2992{
2993 int idx = 0, max_ddbs, rval;
2994 struct iscsi_cls_session *cls_sess = iscsi_conn_to_session(cls_conn);
2995 struct iscsi_session *sess, *existing_sess;
2996 struct iscsi_conn *conn, *existing_conn;
2997 struct ddb_entry *ddb_entry;
2998
2999 sess = cls_sess->dd_data;
3000 conn = cls_conn->dd_data;
3001
3002 if (sess->targetname == NULL ||
3003 conn->persistent_address == NULL ||
3004 conn->persistent_port == 0)
3005 return QLA_ERROR;
3006
3007 max_ddbs = is_qla40XX(ha) ? MAX_DEV_DB_ENTRIES_40XX :
3008 MAX_DEV_DB_ENTRIES;
3009
3010 for (idx = 0; idx < max_ddbs; idx++) {
3011 ddb_entry = qla4xxx_lookup_ddb_by_fw_index(ha, idx);
3012 if (ddb_entry == NULL)
3013 continue;
3014
3015 if (ddb_entry->ddb_type != FLASH_DDB)
3016 continue;
3017
3018 existing_sess = ddb_entry->sess->dd_data;
3019 existing_conn = ddb_entry->conn->dd_data;
3020
3021 if (existing_sess->targetname == NULL ||
3022 existing_conn->persistent_address == NULL ||
3023 existing_conn->persistent_port == 0)
3024 continue;
3025
3026 DEBUG2(ql4_printk(KERN_INFO, ha,
3027 "IQN = %s User IQN = %s\n",
3028 existing_sess->targetname,
3029 sess->targetname));
3030
3031 DEBUG2(ql4_printk(KERN_INFO, ha,
3032 "IP = %s User IP = %s\n",
3033 existing_conn->persistent_address,
3034 conn->persistent_address));
3035
3036 DEBUG2(ql4_printk(KERN_INFO, ha,
3037 "Port = %d User Port = %d\n",
3038 existing_conn->persistent_port,
3039 conn->persistent_port));
3040
3041 if (strcmp(existing_sess->targetname, sess->targetname))
3042 continue;
3043 rval = qla4xxx_match_ipaddress(ha, ddb_entry,
3044 existing_conn->persistent_address,
3045 conn->persistent_address);
3046 if (rval == QLA_ERROR)
3047 continue;
3048 if (existing_conn->persistent_port != conn->persistent_port)
3049 continue;
3050 break;
3051 }
3052
3053 if (idx == max_ddbs)
3054 return QLA_ERROR;
3055
3056 DEBUG2(ql4_printk(KERN_INFO, ha,
3057 "Match found in fwdb sessions\n"));
3058 return QLA_SUCCESS;
3059}
3060
3061static struct iscsi_cls_session *
3062qla4xxx_session_create(struct iscsi_endpoint *ep,
3063 uint16_t cmds_max, uint16_t qdepth,
3064 uint32_t initial_cmdsn)
3065{
3066 struct iscsi_cls_session *cls_sess;
3067 struct scsi_qla_host *ha;
3068 struct qla_endpoint *qla_ep;
3069 struct ddb_entry *ddb_entry;
3070 uint16_t ddb_index;
3071 struct iscsi_session *sess;
3072 struct sockaddr *dst_addr;
3073 int ret;
3074
3075 if (!ep) {
3076 printk(KERN_ERR "qla4xxx: missing ep.\n");
3077 return NULL;
3078 }
3079
3080 qla_ep = ep->dd_data;
3081 dst_addr = (struct sockaddr *)&qla_ep->dst_addr;
3082 ha = to_qla_host(qla_ep->host);
3083 DEBUG2(ql4_printk(KERN_INFO, ha, "%s: host: %ld\n", __func__,
3084 ha->host_no));
3085
3086 ret = qla4xxx_get_ddb_index(ha, &ddb_index);
3087 if (ret == QLA_ERROR)
3088 return NULL;
3089
3090 cls_sess = iscsi_session_setup(&qla4xxx_iscsi_transport, qla_ep->host,
3091 cmds_max, sizeof(struct ddb_entry),
3092 sizeof(struct ql4_task_data),
3093 initial_cmdsn, ddb_index);
3094 if (!cls_sess)
3095 return NULL;
3096
3097 sess = cls_sess->dd_data;
3098 ddb_entry = sess->dd_data;
3099 ddb_entry->fw_ddb_index = ddb_index;
3100 ddb_entry->fw_ddb_device_state = DDB_DS_NO_CONNECTION_ACTIVE;
3101 ddb_entry->ha = ha;
3102 ddb_entry->sess = cls_sess;
3103 ddb_entry->unblock_sess = qla4xxx_unblock_ddb;
3104 ddb_entry->ddb_change = qla4xxx_ddb_change;
3105 clear_bit(DDB_CONN_CLOSE_FAILURE, &ddb_entry->flags);
3106 cls_sess->recovery_tmo = ql4xsess_recovery_tmo;
3107 ha->fw_ddb_index_map[ddb_entry->fw_ddb_index] = ddb_entry;
3108 ha->tot_ddbs++;
3109
3110 return cls_sess;
3111}
3112
3113static void qla4xxx_session_destroy(struct iscsi_cls_session *cls_sess)
3114{
3115 struct iscsi_session *sess;
3116 struct ddb_entry *ddb_entry;
3117 struct scsi_qla_host *ha;
3118 unsigned long flags, wtime;
3119 struct dev_db_entry *fw_ddb_entry = NULL;
3120 dma_addr_t fw_ddb_entry_dma;
3121 uint32_t ddb_state;
3122 int ret;
3123
3124 sess = cls_sess->dd_data;
3125 ddb_entry = sess->dd_data;
3126 ha = ddb_entry->ha;
3127 DEBUG2(ql4_printk(KERN_INFO, ha, "%s: host: %ld\n", __func__,
3128 ha->host_no));
3129
3130 fw_ddb_entry = dma_alloc_coherent(&ha->pdev->dev, sizeof(*fw_ddb_entry),
3131 &fw_ddb_entry_dma, GFP_KERNEL);
3132 if (!fw_ddb_entry) {
3133 ql4_printk(KERN_ERR, ha,
3134 "%s: Unable to allocate dma buffer\n", __func__);
3135 goto destroy_session;
3136 }
3137
3138 wtime = jiffies + (HZ * LOGOUT_TOV);
3139 do {
3140 ret = qla4xxx_get_fwddb_entry(ha, ddb_entry->fw_ddb_index,
3141 fw_ddb_entry, fw_ddb_entry_dma,
3142 NULL, NULL, &ddb_state, NULL,
3143 NULL, NULL);
3144 if (ret == QLA_ERROR)
3145 goto destroy_session;
3146
3147 if ((ddb_state == DDB_DS_NO_CONNECTION_ACTIVE) ||
3148 (ddb_state == DDB_DS_SESSION_FAILED))
3149 goto destroy_session;
3150
3151 schedule_timeout_uninterruptible(HZ);
3152 } while ((time_after(wtime, jiffies)));
3153
3154destroy_session:
3155 qla4xxx_clear_ddb_entry(ha, ddb_entry->fw_ddb_index);
3156 if (test_and_clear_bit(DDB_CONN_CLOSE_FAILURE, &ddb_entry->flags))
3157 clear_bit(ddb_entry->fw_ddb_index, ha->ddb_idx_map);
3158 spin_lock_irqsave(&ha->hardware_lock, flags);
3159 qla4xxx_free_ddb(ha, ddb_entry);
3160 spin_unlock_irqrestore(&ha->hardware_lock, flags);
3161
3162 iscsi_session_teardown(cls_sess);
3163
3164 if (fw_ddb_entry)
3165 dma_free_coherent(&ha->pdev->dev, sizeof(*fw_ddb_entry),
3166 fw_ddb_entry, fw_ddb_entry_dma);
3167}
3168
3169static struct iscsi_cls_conn *
3170qla4xxx_conn_create(struct iscsi_cls_session *cls_sess, uint32_t conn_idx)
3171{
3172 struct iscsi_cls_conn *cls_conn;
3173 struct iscsi_session *sess;
3174 struct ddb_entry *ddb_entry;
3175 struct scsi_qla_host *ha;
3176
3177 cls_conn = iscsi_conn_setup(cls_sess, sizeof(struct qla_conn),
3178 conn_idx);
3179 if (!cls_conn) {
3180 pr_info("%s: Can not create connection for conn_idx = %u\n",
3181 __func__, conn_idx);
3182 return NULL;
3183 }
3184
3185 sess = cls_sess->dd_data;
3186 ddb_entry = sess->dd_data;
3187 ddb_entry->conn = cls_conn;
3188
3189 ha = ddb_entry->ha;
3190 DEBUG2(ql4_printk(KERN_INFO, ha, "%s: conn_idx = %u\n", __func__,
3191 conn_idx));
3192 return cls_conn;
3193}
3194
3195static int qla4xxx_conn_bind(struct iscsi_cls_session *cls_session,
3196 struct iscsi_cls_conn *cls_conn,
3197 uint64_t transport_fd, int is_leading)
3198{
3199 struct iscsi_conn *conn;
3200 struct qla_conn *qla_conn;
3201 struct iscsi_endpoint *ep;
3202 struct ddb_entry *ddb_entry;
3203 struct scsi_qla_host *ha;
3204 struct iscsi_session *sess;
3205
3206 sess = cls_session->dd_data;
3207 ddb_entry = sess->dd_data;
3208 ha = ddb_entry->ha;
3209
3210 DEBUG2(ql4_printk(KERN_INFO, ha, "%s: sid = %d, cid = %d\n", __func__,
3211 cls_session->sid, cls_conn->cid));
3212
3213 if (iscsi_conn_bind(cls_session, cls_conn, is_leading))
3214 return -EINVAL;
3215 ep = iscsi_lookup_endpoint(transport_fd);
3216 conn = cls_conn->dd_data;
3217 qla_conn = conn->dd_data;
3218 qla_conn->qla_ep = ep->dd_data;
3219 return 0;
3220}
3221
3222static int qla4xxx_conn_start(struct iscsi_cls_conn *cls_conn)
3223{
3224 struct iscsi_cls_session *cls_sess = iscsi_conn_to_session(cls_conn);
3225 struct iscsi_session *sess;
3226 struct ddb_entry *ddb_entry;
3227 struct scsi_qla_host *ha;
3228 struct dev_db_entry *fw_ddb_entry = NULL;
3229 dma_addr_t fw_ddb_entry_dma;
3230 uint32_t mbx_sts = 0;
3231 int ret = 0;
3232 int status = QLA_SUCCESS;
3233
3234 sess = cls_sess->dd_data;
3235 ddb_entry = sess->dd_data;
3236 ha = ddb_entry->ha;
3237 DEBUG2(ql4_printk(KERN_INFO, ha, "%s: sid = %d, cid = %d\n", __func__,
3238 cls_sess->sid, cls_conn->cid));
3239
3240
3241
3242
3243
3244 ret = qla4xxx_match_fwdb_session(ha, cls_conn);
3245 if (ret == QLA_SUCCESS) {
3246 ql4_printk(KERN_INFO, ha,
3247 "Session already exist in FW.\n");
3248 ret = -EEXIST;
3249 goto exit_conn_start;
3250 }
3251
3252 fw_ddb_entry = dma_alloc_coherent(&ha->pdev->dev, sizeof(*fw_ddb_entry),
3253 &fw_ddb_entry_dma, GFP_KERNEL);
3254 if (!fw_ddb_entry) {
3255 ql4_printk(KERN_ERR, ha,
3256 "%s: Unable to allocate dma buffer\n", __func__);
3257 ret = -ENOMEM;
3258 goto exit_conn_start;
3259 }
3260
3261 ret = qla4xxx_set_param_ddbentry(ha, ddb_entry, cls_conn, &mbx_sts);
3262 if (ret) {
3263
3264
3265
3266
3267
3268 if (mbx_sts)
3269 if (ddb_entry->fw_ddb_device_state ==
3270 DDB_DS_SESSION_ACTIVE) {
3271 ddb_entry->unblock_sess(ddb_entry->sess);
3272 goto exit_set_param;
3273 }
3274
3275 ql4_printk(KERN_ERR, ha, "%s: Failed set param for index[%d]\n",
3276 __func__, ddb_entry->fw_ddb_index);
3277 goto exit_conn_start;
3278 }
3279
3280 status = qla4xxx_conn_open(ha, ddb_entry->fw_ddb_index);
3281 if (status == QLA_ERROR) {
3282 ql4_printk(KERN_ERR, ha, "%s: Login failed: %s\n", __func__,
3283 sess->targetname);
3284 ret = -EINVAL;
3285 goto exit_conn_start;
3286 }
3287
3288 if (ddb_entry->fw_ddb_device_state == DDB_DS_NO_CONNECTION_ACTIVE)
3289 ddb_entry->fw_ddb_device_state = DDB_DS_LOGIN_IN_PROCESS;
3290
3291 DEBUG2(printk(KERN_INFO "%s: DDB state [%d]\n", __func__,
3292 ddb_entry->fw_ddb_device_state));
3293
3294exit_set_param:
3295 ret = 0;
3296
3297exit_conn_start:
3298 if (fw_ddb_entry)
3299 dma_free_coherent(&ha->pdev->dev, sizeof(*fw_ddb_entry),
3300 fw_ddb_entry, fw_ddb_entry_dma);
3301 return ret;
3302}
3303
3304static void qla4xxx_conn_destroy(struct iscsi_cls_conn *cls_conn)
3305{
3306 struct iscsi_cls_session *cls_sess = iscsi_conn_to_session(cls_conn);
3307 struct iscsi_session *sess;
3308 struct scsi_qla_host *ha;
3309 struct ddb_entry *ddb_entry;
3310 int options;
3311
3312 sess = cls_sess->dd_data;
3313 ddb_entry = sess->dd_data;
3314 ha = ddb_entry->ha;
3315 DEBUG2(ql4_printk(KERN_INFO, ha, "%s: cid = %d\n", __func__,
3316 cls_conn->cid));
3317
3318 options = LOGOUT_OPTION_CLOSE_SESSION;
3319 if (qla4xxx_session_logout_ddb(ha, ddb_entry, options) == QLA_ERROR)
3320 ql4_printk(KERN_ERR, ha, "%s: Logout failed\n", __func__);
3321}
3322
3323static void qla4xxx_task_work(struct work_struct *wdata)
3324{
3325 struct ql4_task_data *task_data;
3326 struct scsi_qla_host *ha;
3327 struct passthru_status *sts;
3328 struct iscsi_task *task;
3329 struct iscsi_hdr *hdr;
3330 uint8_t *data;
3331 uint32_t data_len;
3332 struct iscsi_conn *conn;
3333 int hdr_len;
3334 itt_t itt;
3335
3336 task_data = container_of(wdata, struct ql4_task_data, task_work);
3337 ha = task_data->ha;
3338 task = task_data->task;
3339 sts = &task_data->sts;
3340 hdr_len = sizeof(struct iscsi_hdr);
3341
3342 DEBUG3(printk(KERN_INFO "Status returned\n"));
3343 DEBUG3(qla4xxx_dump_buffer(sts, 64));
3344 DEBUG3(printk(KERN_INFO "Response buffer"));
3345 DEBUG3(qla4xxx_dump_buffer(task_data->resp_buffer, 64));
3346
3347 conn = task->conn;
3348
3349 switch (sts->completionStatus) {
3350 case PASSTHRU_STATUS_COMPLETE:
3351 hdr = (struct iscsi_hdr *)task_data->resp_buffer;
3352
3353 itt = sts->handle;
3354 hdr->itt = itt;
3355 data = task_data->resp_buffer + hdr_len;
3356 data_len = task_data->resp_len - hdr_len;
3357 iscsi_complete_pdu(conn, hdr, data, data_len);
3358 break;
3359 default:
3360 ql4_printk(KERN_ERR, ha, "Passthru failed status = 0x%x\n",
3361 sts->completionStatus);
3362 break;
3363 }
3364 return;
3365}
3366
3367static int qla4xxx_alloc_pdu(struct iscsi_task *task, uint8_t opcode)
3368{
3369 struct ql4_task_data *task_data;
3370 struct iscsi_session *sess;
3371 struct ddb_entry *ddb_entry;
3372 struct scsi_qla_host *ha;
3373 int hdr_len;
3374
3375 sess = task->conn->session;
3376 ddb_entry = sess->dd_data;
3377 ha = ddb_entry->ha;
3378 task_data = task->dd_data;
3379 memset(task_data, 0, sizeof(struct ql4_task_data));
3380
3381 if (task->sc) {
3382 ql4_printk(KERN_INFO, ha,
3383 "%s: SCSI Commands not implemented\n", __func__);
3384 return -EINVAL;
3385 }
3386
3387 hdr_len = sizeof(struct iscsi_hdr);
3388 task_data->ha = ha;
3389 task_data->task = task;
3390
3391 if (task->data_count) {
3392 task_data->data_dma = dma_map_single(&ha->pdev->dev, task->data,
3393 task->data_count,
3394 PCI_DMA_TODEVICE);
3395 }
3396
3397 DEBUG2(ql4_printk(KERN_INFO, ha, "%s: MaxRecvLen %u, iscsi hrd %d\n",
3398 __func__, task->conn->max_recv_dlength, hdr_len));
3399
3400 task_data->resp_len = task->conn->max_recv_dlength + hdr_len;
3401 task_data->resp_buffer = dma_alloc_coherent(&ha->pdev->dev,
3402 task_data->resp_len,
3403 &task_data->resp_dma,
3404 GFP_ATOMIC);
3405 if (!task_data->resp_buffer)
3406 goto exit_alloc_pdu;
3407
3408 task_data->req_len = task->data_count + hdr_len;
3409 task_data->req_buffer = dma_alloc_coherent(&ha->pdev->dev,
3410 task_data->req_len,
3411 &task_data->req_dma,
3412 GFP_ATOMIC);
3413 if (!task_data->req_buffer)
3414 goto exit_alloc_pdu;
3415
3416 task->hdr = task_data->req_buffer;
3417
3418 INIT_WORK(&task_data->task_work, qla4xxx_task_work);
3419
3420 return 0;
3421
3422exit_alloc_pdu:
3423 if (task_data->resp_buffer)
3424 dma_free_coherent(&ha->pdev->dev, task_data->resp_len,
3425 task_data->resp_buffer, task_data->resp_dma);
3426
3427 if (task_data->req_buffer)
3428 dma_free_coherent(&ha->pdev->dev, task_data->req_len,
3429 task_data->req_buffer, task_data->req_dma);
3430 return -ENOMEM;
3431}
3432
3433static void qla4xxx_task_cleanup(struct iscsi_task *task)
3434{
3435 struct ql4_task_data *task_data;
3436 struct iscsi_session *sess;
3437 struct ddb_entry *ddb_entry;
3438 struct scsi_qla_host *ha;
3439 int hdr_len;
3440
3441 hdr_len = sizeof(struct iscsi_hdr);
3442 sess = task->conn->session;
3443 ddb_entry = sess->dd_data;
3444 ha = ddb_entry->ha;
3445 task_data = task->dd_data;
3446
3447 if (task->data_count) {
3448 dma_unmap_single(&ha->pdev->dev, task_data->data_dma,
3449 task->data_count, PCI_DMA_TODEVICE);
3450 }
3451
3452 DEBUG2(ql4_printk(KERN_INFO, ha, "%s: MaxRecvLen %u, iscsi hrd %d\n",
3453 __func__, task->conn->max_recv_dlength, hdr_len));
3454
3455 dma_free_coherent(&ha->pdev->dev, task_data->resp_len,
3456 task_data->resp_buffer, task_data->resp_dma);
3457 dma_free_coherent(&ha->pdev->dev, task_data->req_len,
3458 task_data->req_buffer, task_data->req_dma);
3459 return;
3460}
3461
3462static int qla4xxx_task_xmit(struct iscsi_task *task)
3463{
3464 struct scsi_cmnd *sc = task->sc;
3465 struct iscsi_session *sess = task->conn->session;
3466 struct ddb_entry *ddb_entry = sess->dd_data;
3467 struct scsi_qla_host *ha = ddb_entry->ha;
3468
3469 if (!sc)
3470 return qla4xxx_send_passthru0(task);
3471
3472 ql4_printk(KERN_INFO, ha, "%s: scsi cmd xmit not implemented\n",
3473 __func__);
3474 return -ENOSYS;
3475}
3476
3477static int qla4xxx_copy_from_fwddb_param(struct iscsi_bus_flash_session *sess,
3478 struct iscsi_bus_flash_conn *conn,
3479 struct dev_db_entry *fw_ddb_entry)
3480{
3481 unsigned long options = 0;
3482 int rc = 0;
3483
3484 options = le16_to_cpu(fw_ddb_entry->options);
3485 conn->is_fw_assigned_ipv6 = test_bit(OPT_IS_FW_ASSIGNED_IPV6, &options);
3486 if (test_bit(OPT_IPV6_DEVICE, &options)) {
3487 rc = iscsi_switch_str_param(&sess->portal_type,
3488 PORTAL_TYPE_IPV6);
3489 if (rc)
3490 goto exit_copy;
3491 } else {
3492 rc = iscsi_switch_str_param(&sess->portal_type,
3493 PORTAL_TYPE_IPV4);
3494 if (rc)
3495 goto exit_copy;
3496 }
3497
3498 sess->auto_snd_tgt_disable = test_bit(OPT_AUTO_SENDTGTS_DISABLE,
3499 &options);
3500 sess->discovery_sess = test_bit(OPT_DISC_SESSION, &options);
3501 sess->entry_state = test_bit(OPT_ENTRY_STATE, &options);
3502
3503 options = le16_to_cpu(fw_ddb_entry->iscsi_options);
3504 conn->hdrdgst_en = test_bit(ISCSIOPT_HEADER_DIGEST_EN, &options);
3505 conn->datadgst_en = test_bit(ISCSIOPT_DATA_DIGEST_EN, &options);
3506 sess->imm_data_en = test_bit(ISCSIOPT_IMMEDIATE_DATA_EN, &options);
3507 sess->initial_r2t_en = test_bit(ISCSIOPT_INITIAL_R2T_EN, &options);
3508 sess->dataseq_inorder_en = test_bit(ISCSIOPT_DATA_SEQ_IN_ORDER,
3509 &options);
3510 sess->pdu_inorder_en = test_bit(ISCSIOPT_DATA_PDU_IN_ORDER, &options);
3511 sess->chap_auth_en = test_bit(ISCSIOPT_CHAP_AUTH_EN, &options);
3512 conn->snack_req_en = test_bit(ISCSIOPT_SNACK_REQ_EN, &options);
3513 sess->discovery_logout_en = test_bit(ISCSIOPT_DISCOVERY_LOGOUT_EN,
3514 &options);
3515 sess->bidi_chap_en = test_bit(ISCSIOPT_BIDI_CHAP_EN, &options);
3516 sess->discovery_auth_optional =
3517 test_bit(ISCSIOPT_DISCOVERY_AUTH_OPTIONAL, &options);
3518 if (test_bit(ISCSIOPT_ERL1, &options))
3519 sess->erl |= BIT_1;
3520 if (test_bit(ISCSIOPT_ERL0, &options))
3521 sess->erl |= BIT_0;
3522
3523 options = le16_to_cpu(fw_ddb_entry->tcp_options);
3524 conn->tcp_timestamp_stat = test_bit(TCPOPT_TIMESTAMP_STAT, &options);
3525 conn->tcp_nagle_disable = test_bit(TCPOPT_NAGLE_DISABLE, &options);
3526 conn->tcp_wsf_disable = test_bit(TCPOPT_WSF_DISABLE, &options);
3527 if (test_bit(TCPOPT_TIMER_SCALE3, &options))
3528 conn->tcp_timer_scale |= BIT_3;
3529 if (test_bit(TCPOPT_TIMER_SCALE2, &options))
3530 conn->tcp_timer_scale |= BIT_2;
3531 if (test_bit(TCPOPT_TIMER_SCALE1, &options))
3532 conn->tcp_timer_scale |= BIT_1;
3533
3534 conn->tcp_timer_scale >>= 1;
3535 conn->tcp_timestamp_en = test_bit(TCPOPT_TIMESTAMP_EN, &options);
3536
3537 options = le16_to_cpu(fw_ddb_entry->ip_options);
3538 conn->fragment_disable = test_bit(IPOPT_FRAGMENT_DISABLE, &options);
3539
3540 conn->max_recv_dlength = BYTE_UNITS *
3541 le16_to_cpu(fw_ddb_entry->iscsi_max_rcv_data_seg_len);
3542 conn->max_xmit_dlength = BYTE_UNITS *
3543 le16_to_cpu(fw_ddb_entry->iscsi_max_snd_data_seg_len);
3544 sess->first_burst = BYTE_UNITS *
3545 le16_to_cpu(fw_ddb_entry->iscsi_first_burst_len);
3546 sess->max_burst = BYTE_UNITS *
3547 le16_to_cpu(fw_ddb_entry->iscsi_max_burst_len);
3548 sess->max_r2t = le16_to_cpu(fw_ddb_entry->iscsi_max_outsnd_r2t);
3549 sess->time2wait = le16_to_cpu(fw_ddb_entry->iscsi_def_time2wait);
3550 sess->time2retain = le16_to_cpu(fw_ddb_entry->iscsi_def_time2retain);
3551 sess->tpgt = le32_to_cpu(fw_ddb_entry->tgt_portal_grp);
3552 conn->max_segment_size = le16_to_cpu(fw_ddb_entry->mss);
3553 conn->tcp_xmit_wsf = fw_ddb_entry->tcp_xmt_wsf;
3554 conn->tcp_recv_wsf = fw_ddb_entry->tcp_rcv_wsf;
3555 conn->ipv6_flow_label = le16_to_cpu(fw_ddb_entry->ipv6_flow_lbl);
3556 conn->keepalive_timeout = le16_to_cpu(fw_ddb_entry->ka_timeout);
3557 conn->local_port = le16_to_cpu(fw_ddb_entry->lcl_port);
3558 conn->statsn = le32_to_cpu(fw_ddb_entry->stat_sn);
3559 conn->exp_statsn = le32_to_cpu(fw_ddb_entry->exp_stat_sn);
3560 sess->discovery_parent_idx = le16_to_cpu(fw_ddb_entry->ddb_link);
3561 sess->discovery_parent_type = le16_to_cpu(fw_ddb_entry->ddb_link);
3562 sess->chap_out_idx = le16_to_cpu(fw_ddb_entry->chap_tbl_idx);
3563 sess->tsid = le16_to_cpu(fw_ddb_entry->tsid);
3564
3565 sess->default_taskmgmt_timeout =
3566 le16_to_cpu(fw_ddb_entry->def_timeout);
3567 conn->port = le16_to_cpu(fw_ddb_entry->port);
3568
3569 options = le16_to_cpu(fw_ddb_entry->options);
3570 conn->ipaddress = kzalloc(IPv6_ADDR_LEN, GFP_KERNEL);
3571 if (!conn->ipaddress) {
3572 rc = -ENOMEM;
3573 goto exit_copy;
3574 }
3575
3576 conn->redirect_ipaddr = kzalloc(IPv6_ADDR_LEN, GFP_KERNEL);
3577 if (!conn->redirect_ipaddr) {
3578 rc = -ENOMEM;
3579 goto exit_copy;
3580 }
3581
3582 memcpy(conn->ipaddress, fw_ddb_entry->ip_addr, IPv6_ADDR_LEN);
3583 memcpy(conn->redirect_ipaddr, fw_ddb_entry->tgt_addr, IPv6_ADDR_LEN);
3584
3585 if (test_bit(OPT_IPV6_DEVICE, &options)) {
3586 conn->ipv6_traffic_class = fw_ddb_entry->ipv4_tos;
3587
3588 conn->link_local_ipv6_addr = kmemdup(
3589 fw_ddb_entry->link_local_ipv6_addr,
3590 IPv6_ADDR_LEN, GFP_KERNEL);
3591 if (!conn->link_local_ipv6_addr) {
3592 rc = -ENOMEM;
3593 goto exit_copy;
3594 }
3595 } else {
3596 conn->ipv4_tos = fw_ddb_entry->ipv4_tos;
3597 }
3598
3599 if (fw_ddb_entry->iscsi_name[0]) {
3600 rc = iscsi_switch_str_param(&sess->targetname,
3601 (char *)fw_ddb_entry->iscsi_name);
3602 if (rc)
3603 goto exit_copy;
3604 }
3605
3606 if (fw_ddb_entry->iscsi_alias[0]) {
3607 rc = iscsi_switch_str_param(&sess->targetalias,
3608 (char *)fw_ddb_entry->iscsi_alias);
3609 if (rc)
3610 goto exit_copy;
3611 }
3612
3613 COPY_ISID(sess->isid, fw_ddb_entry->isid);
3614
3615exit_copy:
3616 return rc;
3617}
3618
3619static int qla4xxx_copy_to_fwddb_param(struct iscsi_bus_flash_session *sess,
3620 struct iscsi_bus_flash_conn *conn,
3621 struct dev_db_entry *fw_ddb_entry)
3622{
3623 uint16_t options;
3624 int rc = 0;
3625
3626 options = le16_to_cpu(fw_ddb_entry->options);
3627 SET_BITVAL(conn->is_fw_assigned_ipv6, options, BIT_11);
3628 if (!strncmp(sess->portal_type, PORTAL_TYPE_IPV6, 4))
3629 options |= BIT_8;
3630 else
3631 options &= ~BIT_8;
3632
3633 SET_BITVAL(sess->auto_snd_tgt_disable, options, BIT_6);
3634 SET_BITVAL(sess->discovery_sess, options, BIT_4);
3635 SET_BITVAL(sess->entry_state, options, BIT_3);
3636 fw_ddb_entry->options = cpu_to_le16(options);
3637
3638 options = le16_to_cpu(fw_ddb_entry->iscsi_options);
3639 SET_BITVAL(conn->hdrdgst_en, options, BIT_13);
3640 SET_BITVAL(conn->datadgst_en, options, BIT_12);
3641 SET_BITVAL(sess->imm_data_en, options, BIT_11);
3642 SET_BITVAL(sess->initial_r2t_en, options, BIT_10);
3643 SET_BITVAL(sess->dataseq_inorder_en, options, BIT_9);
3644 SET_BITVAL(sess->pdu_inorder_en, options, BIT_8);
3645 SET_BITVAL(sess->chap_auth_en, options, BIT_7);
3646 SET_BITVAL(conn->snack_req_en, options, BIT_6);
3647 SET_BITVAL(sess->discovery_logout_en, options, BIT_5);
3648 SET_BITVAL(sess->bidi_chap_en, options, BIT_4);
3649 SET_BITVAL(sess->discovery_auth_optional, options, BIT_3);
3650 SET_BITVAL(sess->erl & BIT_1, options, BIT_1);
3651 SET_BITVAL(sess->erl & BIT_0, options, BIT_0);
3652 fw_ddb_entry->iscsi_options = cpu_to_le16(options);
3653
3654 options = le16_to_cpu(fw_ddb_entry->tcp_options);
3655 SET_BITVAL(conn->tcp_timestamp_stat, options, BIT_6);
3656 SET_BITVAL(conn->tcp_nagle_disable, options, BIT_5);
3657 SET_BITVAL(conn->tcp_wsf_disable, options, BIT_4);
3658 SET_BITVAL(conn->tcp_timer_scale & BIT_2, options, BIT_3);
3659 SET_BITVAL(conn->tcp_timer_scale & BIT_1, options, BIT_2);
3660 SET_BITVAL(conn->tcp_timer_scale & BIT_0, options, BIT_1);
3661 SET_BITVAL(conn->tcp_timestamp_en, options, BIT_0);
3662 fw_ddb_entry->tcp_options = cpu_to_le16(options);
3663
3664 options = le16_to_cpu(fw_ddb_entry->ip_options);
3665 SET_BITVAL(conn->fragment_disable, options, BIT_4);
3666 fw_ddb_entry->ip_options = cpu_to_le16(options);
3667
3668 fw_ddb_entry->iscsi_max_outsnd_r2t = cpu_to_le16(sess->max_r2t);
3669 fw_ddb_entry->iscsi_max_rcv_data_seg_len =
3670 cpu_to_le16(conn->max_recv_dlength / BYTE_UNITS);
3671 fw_ddb_entry->iscsi_max_snd_data_seg_len =
3672 cpu_to_le16(conn->max_xmit_dlength / BYTE_UNITS);
3673 fw_ddb_entry->iscsi_first_burst_len =
3674 cpu_to_le16(sess->first_burst / BYTE_UNITS);
3675 fw_ddb_entry->iscsi_max_burst_len = cpu_to_le16(sess->max_burst /
3676 BYTE_UNITS);
3677 fw_ddb_entry->iscsi_def_time2wait = cpu_to_le16(sess->time2wait);
3678 fw_ddb_entry->iscsi_def_time2retain = cpu_to_le16(sess->time2retain);
3679 fw_ddb_entry->tgt_portal_grp = cpu_to_le16(sess->tpgt);
3680 fw_ddb_entry->mss = cpu_to_le16(conn->max_segment_size);
3681 fw_ddb_entry->tcp_xmt_wsf = (uint8_t) cpu_to_le32(conn->tcp_xmit_wsf);
3682 fw_ddb_entry->tcp_rcv_wsf = (uint8_t) cpu_to_le32(conn->tcp_recv_wsf);
3683 fw_ddb_entry->ipv6_flow_lbl = cpu_to_le16(conn->ipv6_flow_label);
3684 fw_ddb_entry->ka_timeout = cpu_to_le16(conn->keepalive_timeout);
3685 fw_ddb_entry->lcl_port = cpu_to_le16(conn->local_port);
3686 fw_ddb_entry->stat_sn = cpu_to_le32(conn->statsn);
3687 fw_ddb_entry->exp_stat_sn = cpu_to_le32(conn->exp_statsn);
3688 fw_ddb_entry->ddb_link = cpu_to_le16(sess->discovery_parent_idx);
3689 fw_ddb_entry->chap_tbl_idx = cpu_to_le16(sess->chap_out_idx);
3690 fw_ddb_entry->tsid = cpu_to_le16(sess->tsid);
3691 fw_ddb_entry->port = cpu_to_le16(conn->port);
3692 fw_ddb_entry->def_timeout =
3693 cpu_to_le16(sess->default_taskmgmt_timeout);
3694
3695 if (!strncmp(sess->portal_type, PORTAL_TYPE_IPV6, 4))
3696 fw_ddb_entry->ipv4_tos = conn->ipv6_traffic_class;
3697 else
3698 fw_ddb_entry->ipv4_tos = conn->ipv4_tos;
3699
3700 if (conn->ipaddress)
3701 memcpy(fw_ddb_entry->ip_addr, conn->ipaddress,
3702 sizeof(fw_ddb_entry->ip_addr));
3703
3704 if (conn->redirect_ipaddr)
3705 memcpy(fw_ddb_entry->tgt_addr, conn->redirect_ipaddr,
3706 sizeof(fw_ddb_entry->tgt_addr));
3707
3708 if (conn->link_local_ipv6_addr)
3709 memcpy(fw_ddb_entry->link_local_ipv6_addr,
3710 conn->link_local_ipv6_addr,
3711 sizeof(fw_ddb_entry->link_local_ipv6_addr));
3712
3713 if (sess->targetname)
3714 memcpy(fw_ddb_entry->iscsi_name, sess->targetname,
3715 sizeof(fw_ddb_entry->iscsi_name));
3716
3717 if (sess->targetalias)
3718 memcpy(fw_ddb_entry->iscsi_alias, sess->targetalias,
3719 sizeof(fw_ddb_entry->iscsi_alias));
3720
3721 COPY_ISID(fw_ddb_entry->isid, sess->isid);
3722
3723 return rc;
3724}
3725
3726static void qla4xxx_copy_to_sess_conn_params(struct iscsi_conn *conn,
3727 struct iscsi_session *sess,
3728 struct dev_db_entry *fw_ddb_entry)
3729{
3730 unsigned long options = 0;
3731 uint16_t ddb_link;
3732 uint16_t disc_parent;
3733 char ip_addr[DDB_IPADDR_LEN];
3734
3735 options = le16_to_cpu(fw_ddb_entry->options);
3736 conn->is_fw_assigned_ipv6 = test_bit(OPT_IS_FW_ASSIGNED_IPV6, &options);
3737 sess->auto_snd_tgt_disable = test_bit(OPT_AUTO_SENDTGTS_DISABLE,
3738 &options);
3739 sess->discovery_sess = test_bit(OPT_DISC_SESSION, &options);
3740
3741 options = le16_to_cpu(fw_ddb_entry->iscsi_options);
3742 conn->hdrdgst_en = test_bit(ISCSIOPT_HEADER_DIGEST_EN, &options);
3743 conn->datadgst_en = test_bit(ISCSIOPT_DATA_DIGEST_EN, &options);
3744 sess->imm_data_en = test_bit(ISCSIOPT_IMMEDIATE_DATA_EN, &options);
3745 sess->initial_r2t_en = test_bit(ISCSIOPT_INITIAL_R2T_EN, &options);
3746 sess->dataseq_inorder_en = test_bit(ISCSIOPT_DATA_SEQ_IN_ORDER,
3747 &options);
3748 sess->pdu_inorder_en = test_bit(ISCSIOPT_DATA_PDU_IN_ORDER, &options);
3749 sess->chap_auth_en = test_bit(ISCSIOPT_CHAP_AUTH_EN, &options);
3750 sess->discovery_logout_en = test_bit(ISCSIOPT_DISCOVERY_LOGOUT_EN,
3751 &options);
3752 sess->bidi_chap_en = test_bit(ISCSIOPT_BIDI_CHAP_EN, &options);
3753 sess->discovery_auth_optional =
3754 test_bit(ISCSIOPT_DISCOVERY_AUTH_OPTIONAL, &options);
3755 if (test_bit(ISCSIOPT_ERL1, &options))
3756 sess->erl |= BIT_1;
3757 if (test_bit(ISCSIOPT_ERL0, &options))
3758 sess->erl |= BIT_0;
3759
3760 options = le16_to_cpu(fw_ddb_entry->tcp_options);
3761 conn->tcp_timestamp_stat = test_bit(TCPOPT_TIMESTAMP_STAT, &options);
3762 conn->tcp_nagle_disable = test_bit(TCPOPT_NAGLE_DISABLE, &options);
3763 conn->tcp_wsf_disable = test_bit(TCPOPT_WSF_DISABLE, &options);
3764 if (test_bit(TCPOPT_TIMER_SCALE3, &options))
3765 conn->tcp_timer_scale |= BIT_3;
3766 if (test_bit(TCPOPT_TIMER_SCALE2, &options))
3767 conn->tcp_timer_scale |= BIT_2;
3768 if (test_bit(TCPOPT_TIMER_SCALE1, &options))
3769 conn->tcp_timer_scale |= BIT_1;
3770
3771 conn->tcp_timer_scale >>= 1;
3772 conn->tcp_timestamp_en = test_bit(TCPOPT_TIMESTAMP_EN, &options);
3773
3774 options = le16_to_cpu(fw_ddb_entry->ip_options);
3775 conn->fragment_disable = test_bit(IPOPT_FRAGMENT_DISABLE, &options);
3776
3777 conn->max_recv_dlength = BYTE_UNITS *
3778 le16_to_cpu(fw_ddb_entry->iscsi_max_rcv_data_seg_len);
3779 conn->max_xmit_dlength = BYTE_UNITS *
3780 le16_to_cpu(fw_ddb_entry->iscsi_max_snd_data_seg_len);
3781 sess->max_r2t = le16_to_cpu(fw_ddb_entry->iscsi_max_outsnd_r2t);
3782 sess->first_burst = BYTE_UNITS *
3783 le16_to_cpu(fw_ddb_entry->iscsi_first_burst_len);
3784 sess->max_burst = BYTE_UNITS *
3785 le16_to_cpu(fw_ddb_entry->iscsi_max_burst_len);
3786 sess->time2wait = le16_to_cpu(fw_ddb_entry->iscsi_def_time2wait);
3787 sess->time2retain = le16_to_cpu(fw_ddb_entry->iscsi_def_time2retain);
3788 sess->tpgt = le32_to_cpu(fw_ddb_entry->tgt_portal_grp);
3789 conn->max_segment_size = le16_to_cpu(fw_ddb_entry->mss);
3790 conn->tcp_xmit_wsf = fw_ddb_entry->tcp_xmt_wsf;
3791 conn->tcp_recv_wsf = fw_ddb_entry->tcp_rcv_wsf;
3792 conn->ipv4_tos = fw_ddb_entry->ipv4_tos;
3793 conn->keepalive_tmo = le16_to_cpu(fw_ddb_entry->ka_timeout);
3794 conn->local_port = le16_to_cpu(fw_ddb_entry->lcl_port);
3795 conn->statsn = le32_to_cpu(fw_ddb_entry->stat_sn);
3796 conn->exp_statsn = le32_to_cpu(fw_ddb_entry->exp_stat_sn);
3797 sess->tsid = le16_to_cpu(fw_ddb_entry->tsid);
3798 COPY_ISID(sess->isid, fw_ddb_entry->isid);
3799
3800 ddb_link = le16_to_cpu(fw_ddb_entry->ddb_link);
3801 if (ddb_link == DDB_ISNS)
3802 disc_parent = ISCSI_DISC_PARENT_ISNS;
3803 else if (ddb_link == DDB_NO_LINK)
3804 disc_parent = ISCSI_DISC_PARENT_UNKNOWN;
3805 else if (ddb_link < MAX_DDB_ENTRIES)
3806 disc_parent = ISCSI_DISC_PARENT_SENDTGT;
3807 else
3808 disc_parent = ISCSI_DISC_PARENT_UNKNOWN;
3809
3810 iscsi_set_param(conn->cls_conn, ISCSI_PARAM_DISCOVERY_PARENT_TYPE,
3811 iscsi_get_discovery_parent_name(disc_parent), 0);
3812
3813 iscsi_set_param(conn->cls_conn, ISCSI_PARAM_TARGET_ALIAS,
3814 (char *)fw_ddb_entry->iscsi_alias, 0);
3815
3816 options = le16_to_cpu(fw_ddb_entry->options);
3817 if (options & DDB_OPT_IPV6_DEVICE) {
3818 memset(ip_addr, 0, sizeof(ip_addr));
3819 sprintf(ip_addr, "%pI6", fw_ddb_entry->link_local_ipv6_addr);
3820 iscsi_set_param(conn->cls_conn, ISCSI_PARAM_LOCAL_IPADDR,
3821 (char *)ip_addr, 0);
3822 }
3823}
3824
3825static void qla4xxx_copy_fwddb_param(struct scsi_qla_host *ha,
3826 struct dev_db_entry *fw_ddb_entry,
3827 struct iscsi_cls_session *cls_sess,
3828 struct iscsi_cls_conn *cls_conn)
3829{
3830 int buflen = 0;
3831 struct iscsi_session *sess;
3832 struct ddb_entry *ddb_entry;
3833 struct ql4_chap_table chap_tbl;
3834 struct iscsi_conn *conn;
3835 char ip_addr[DDB_IPADDR_LEN];
3836 uint16_t options = 0;
3837
3838 sess = cls_sess->dd_data;
3839 ddb_entry = sess->dd_data;
3840 conn = cls_conn->dd_data;
3841 memset(&chap_tbl, 0, sizeof(chap_tbl));
3842
3843 ddb_entry->chap_tbl_idx = le16_to_cpu(fw_ddb_entry->chap_tbl_idx);
3844
3845 qla4xxx_copy_to_sess_conn_params(conn, sess, fw_ddb_entry);
3846
3847 sess->def_taskmgmt_tmo = le16_to_cpu(fw_ddb_entry->def_timeout);
3848 conn->persistent_port = le16_to_cpu(fw_ddb_entry->port);
3849
3850 memset(ip_addr, 0, sizeof(ip_addr));
3851 options = le16_to_cpu(fw_ddb_entry->options);
3852 if (options & DDB_OPT_IPV6_DEVICE) {
3853 iscsi_set_param(cls_conn, ISCSI_PARAM_PORTAL_TYPE, "ipv6", 4);
3854
3855 memset(ip_addr, 0, sizeof(ip_addr));
3856 sprintf(ip_addr, "%pI6", fw_ddb_entry->ip_addr);
3857 } else {
3858 iscsi_set_param(cls_conn, ISCSI_PARAM_PORTAL_TYPE, "ipv4", 4);
3859 sprintf(ip_addr, "%pI4", fw_ddb_entry->ip_addr);
3860 }
3861
3862 iscsi_set_param(cls_conn, ISCSI_PARAM_PERSISTENT_ADDRESS,
3863 (char *)ip_addr, buflen);
3864 iscsi_set_param(cls_conn, ISCSI_PARAM_TARGET_NAME,
3865 (char *)fw_ddb_entry->iscsi_name, buflen);
3866 iscsi_set_param(cls_conn, ISCSI_PARAM_INITIATOR_NAME,
3867 (char *)ha->name_string, buflen);
3868
3869 if (ddb_entry->chap_tbl_idx != INVALID_ENTRY) {
3870 if (!qla4xxx_get_uni_chap_at_index(ha, chap_tbl.name,
3871 chap_tbl.secret,
3872 ddb_entry->chap_tbl_idx)) {
3873 iscsi_set_param(cls_conn, ISCSI_PARAM_USERNAME,
3874 (char *)chap_tbl.name,
3875 strlen((char *)chap_tbl.name));
3876 iscsi_set_param(cls_conn, ISCSI_PARAM_PASSWORD,
3877 (char *)chap_tbl.secret,
3878 chap_tbl.secret_len);
3879 }
3880 }
3881}
3882
3883void qla4xxx_update_session_conn_fwddb_param(struct scsi_qla_host *ha,
3884 struct ddb_entry *ddb_entry)
3885{
3886 struct iscsi_cls_session *cls_sess;
3887 struct iscsi_cls_conn *cls_conn;
3888 uint32_t ddb_state;
3889 dma_addr_t fw_ddb_entry_dma;
3890 struct dev_db_entry *fw_ddb_entry;
3891
3892 fw_ddb_entry = dma_alloc_coherent(&ha->pdev->dev, sizeof(*fw_ddb_entry),
3893 &fw_ddb_entry_dma, GFP_KERNEL);
3894 if (!fw_ddb_entry) {
3895 ql4_printk(KERN_ERR, ha,
3896 "%s: Unable to allocate dma buffer\n", __func__);
3897 goto exit_session_conn_fwddb_param;
3898 }
3899
3900 if (qla4xxx_get_fwddb_entry(ha, ddb_entry->fw_ddb_index, fw_ddb_entry,
3901 fw_ddb_entry_dma, NULL, NULL, &ddb_state,
3902 NULL, NULL, NULL) == QLA_ERROR) {
3903 DEBUG2(ql4_printk(KERN_ERR, ha, "scsi%ld: %s: failed "
3904 "get_ddb_entry for fw_ddb_index %d\n",
3905 ha->host_no, __func__,
3906 ddb_entry->fw_ddb_index));
3907 goto exit_session_conn_fwddb_param;
3908 }
3909
3910 cls_sess = ddb_entry->sess;
3911
3912 cls_conn = ddb_entry->conn;
3913
3914
3915 qla4xxx_copy_fwddb_param(ha, fw_ddb_entry, cls_sess, cls_conn);
3916
3917exit_session_conn_fwddb_param:
3918 if (fw_ddb_entry)
3919 dma_free_coherent(&ha->pdev->dev, sizeof(*fw_ddb_entry),
3920 fw_ddb_entry, fw_ddb_entry_dma);
3921}
3922
3923void qla4xxx_update_session_conn_param(struct scsi_qla_host *ha,
3924 struct ddb_entry *ddb_entry)
3925{
3926 struct iscsi_cls_session *cls_sess;
3927 struct iscsi_cls_conn *cls_conn;
3928 struct iscsi_session *sess;
3929 struct iscsi_conn *conn;
3930 uint32_t ddb_state;
3931 dma_addr_t fw_ddb_entry_dma;
3932 struct dev_db_entry *fw_ddb_entry;
3933
3934 fw_ddb_entry = dma_alloc_coherent(&ha->pdev->dev, sizeof(*fw_ddb_entry),
3935 &fw_ddb_entry_dma, GFP_KERNEL);
3936 if (!fw_ddb_entry) {
3937 ql4_printk(KERN_ERR, ha,
3938 "%s: Unable to allocate dma buffer\n", __func__);
3939 goto exit_session_conn_param;
3940 }
3941
3942 if (qla4xxx_get_fwddb_entry(ha, ddb_entry->fw_ddb_index, fw_ddb_entry,
3943 fw_ddb_entry_dma, NULL, NULL, &ddb_state,
3944 NULL, NULL, NULL) == QLA_ERROR) {
3945 DEBUG2(ql4_printk(KERN_ERR, ha, "scsi%ld: %s: failed "
3946 "get_ddb_entry for fw_ddb_index %d\n",
3947 ha->host_no, __func__,
3948 ddb_entry->fw_ddb_index));
3949 goto exit_session_conn_param;
3950 }
3951
3952 cls_sess = ddb_entry->sess;
3953 sess = cls_sess->dd_data;
3954
3955 cls_conn = ddb_entry->conn;
3956 conn = cls_conn->dd_data;
3957
3958
3959 ddb_entry->default_relogin_timeout =
3960 (le16_to_cpu(fw_ddb_entry->def_timeout) > LOGIN_TOV) &&
3961 (le16_to_cpu(fw_ddb_entry->def_timeout) < LOGIN_TOV * 10) ?
3962 le16_to_cpu(fw_ddb_entry->def_timeout) : LOGIN_TOV;
3963 ddb_entry->default_time2wait =
3964 le16_to_cpu(fw_ddb_entry->iscsi_def_time2wait);
3965
3966
3967 ddb_entry->chap_tbl_idx = le16_to_cpu(fw_ddb_entry->chap_tbl_idx);
3968 qla4xxx_copy_to_sess_conn_params(conn, sess, fw_ddb_entry);
3969
3970 memcpy(sess->initiatorname, ha->name_string,
3971 min(sizeof(ha->name_string), sizeof(sess->initiatorname)));
3972
3973exit_session_conn_param:
3974 if (fw_ddb_entry)
3975 dma_free_coherent(&ha->pdev->dev, sizeof(*fw_ddb_entry),
3976 fw_ddb_entry, fw_ddb_entry_dma);
3977}
3978
3979
3980
3981
3982
3983static void qla4xxx_start_timer(struct scsi_qla_host *ha, void *func,
3984 unsigned long interval)
3985{
3986 DEBUG(printk("scsi: %s: Starting timer thread for adapter %d\n",
3987 __func__, ha->host->host_no));
3988 init_timer(&ha->timer);
3989 ha->timer.expires = jiffies + interval * HZ;
3990 ha->timer.data = (unsigned long)ha;
3991 ha->timer.function = (void (*)(unsigned long))func;
3992 add_timer(&ha->timer);
3993 ha->timer_active = 1;
3994}
3995
3996static void qla4xxx_stop_timer(struct scsi_qla_host *ha)
3997{
3998 del_timer_sync(&ha->timer);
3999 ha->timer_active = 0;
4000}
4001
4002
4003
4004
4005
4006
4007
4008
4009void qla4xxx_mark_device_missing(struct iscsi_cls_session *cls_session)
4010{
4011 iscsi_block_session(cls_session);
4012}
4013
4014
4015
4016
4017
4018
4019
4020void qla4xxx_mark_all_devices_missing(struct scsi_qla_host *ha)
4021{
4022 iscsi_host_for_each_session(ha->host, qla4xxx_mark_device_missing);
4023}
4024
4025static struct srb* qla4xxx_get_new_srb(struct scsi_qla_host *ha,
4026 struct ddb_entry *ddb_entry,
4027 struct scsi_cmnd *cmd)
4028{
4029 struct srb *srb;
4030
4031 srb = mempool_alloc(ha->srb_mempool, GFP_ATOMIC);
4032 if (!srb)
4033 return srb;
4034
4035 kref_init(&srb->srb_ref);
4036 srb->ha = ha;
4037 srb->ddb = ddb_entry;
4038 srb->cmd = cmd;
4039 srb->flags = 0;
4040 CMD_SP(cmd) = (void *)srb;
4041
4042 return srb;
4043}
4044
4045static void qla4xxx_srb_free_dma(struct scsi_qla_host *ha, struct srb *srb)
4046{
4047 struct scsi_cmnd *cmd = srb->cmd;
4048
4049 if (srb->flags & SRB_DMA_VALID) {
4050 scsi_dma_unmap(cmd);
4051 srb->flags &= ~SRB_DMA_VALID;
4052 }
4053 CMD_SP(cmd) = NULL;
4054}
4055
4056void qla4xxx_srb_compl(struct kref *ref)
4057{
4058 struct srb *srb = container_of(ref, struct srb, srb_ref);
4059 struct scsi_cmnd *cmd = srb->cmd;
4060 struct scsi_qla_host *ha = srb->ha;
4061
4062 qla4xxx_srb_free_dma(ha, srb);
4063
4064 mempool_free(srb, ha->srb_mempool);
4065
4066 cmd->scsi_done(cmd);
4067}
4068
4069
4070
4071
4072
4073
4074
4075
4076
4077
4078
4079
4080
4081
4082static int qla4xxx_queuecommand(struct Scsi_Host *host, struct scsi_cmnd *cmd)
4083{
4084 struct scsi_qla_host *ha = to_qla_host(host);
4085 struct ddb_entry *ddb_entry = cmd->device->hostdata;
4086 struct iscsi_cls_session *sess = ddb_entry->sess;
4087 struct srb *srb;
4088 int rval;
4089
4090 if (test_bit(AF_EEH_BUSY, &ha->flags)) {
4091 if (test_bit(AF_PCI_CHANNEL_IO_PERM_FAILURE, &ha->flags))
4092 cmd->result = DID_NO_CONNECT << 16;
4093 else
4094 cmd->result = DID_REQUEUE << 16;
4095 goto qc_fail_command;
4096 }
4097
4098 if (!sess) {
4099 cmd->result = DID_IMM_RETRY << 16;
4100 goto qc_fail_command;
4101 }
4102
4103 rval = iscsi_session_chkready(sess);
4104 if (rval) {
4105 cmd->result = rval;
4106 goto qc_fail_command;
4107 }
4108
4109 if (test_bit(DPC_RESET_HA_INTR, &ha->dpc_flags) ||
4110 test_bit(DPC_RESET_ACTIVE, &ha->dpc_flags) ||
4111 test_bit(DPC_RESET_HA, &ha->dpc_flags) ||
4112 test_bit(DPC_HA_UNRECOVERABLE, &ha->dpc_flags) ||
4113 test_bit(DPC_HA_NEED_QUIESCENT, &ha->dpc_flags) ||
4114 !test_bit(AF_ONLINE, &ha->flags) ||
4115 !test_bit(AF_LINK_UP, &ha->flags) ||
4116 test_bit(AF_LOOPBACK, &ha->flags) ||
4117 test_bit(DPC_POST_IDC_ACK, &ha->dpc_flags) ||
4118 test_bit(DPC_RESTORE_ACB, &ha->dpc_flags) ||
4119 test_bit(DPC_RESET_HA_FW_CONTEXT, &ha->dpc_flags))
4120 goto qc_host_busy;
4121
4122 srb = qla4xxx_get_new_srb(ha, ddb_entry, cmd);
4123 if (!srb)
4124 goto qc_host_busy;
4125
4126 rval = qla4xxx_send_command_to_isp(ha, srb);
4127 if (rval != QLA_SUCCESS)
4128 goto qc_host_busy_free_sp;
4129
4130 return 0;
4131
4132qc_host_busy_free_sp:
4133 qla4xxx_srb_free_dma(ha, srb);
4134 mempool_free(srb, ha->srb_mempool);
4135
4136qc_host_busy:
4137 return SCSI_MLQUEUE_HOST_BUSY;
4138
4139qc_fail_command:
4140 cmd->scsi_done(cmd);
4141
4142 return 0;
4143}
4144
4145
4146
4147
4148
4149
4150
4151static void qla4xxx_mem_free(struct scsi_qla_host *ha)
4152{
4153 if (ha->queues)
4154 dma_free_coherent(&ha->pdev->dev, ha->queues_len, ha->queues,
4155 ha->queues_dma);
4156
4157 if (ha->fw_dump)
4158 vfree(ha->fw_dump);
4159
4160 ha->queues_len = 0;
4161 ha->queues = NULL;
4162 ha->queues_dma = 0;
4163 ha->request_ring = NULL;
4164 ha->request_dma = 0;
4165 ha->response_ring = NULL;
4166 ha->response_dma = 0;
4167 ha->shadow_regs = NULL;
4168 ha->shadow_regs_dma = 0;
4169 ha->fw_dump = NULL;
4170 ha->fw_dump_size = 0;
4171
4172
4173 if (ha->srb_mempool)
4174 mempool_destroy(ha->srb_mempool);
4175
4176 ha->srb_mempool = NULL;
4177
4178 if (ha->chap_dma_pool)
4179 dma_pool_destroy(ha->chap_dma_pool);
4180
4181 if (ha->chap_list)
4182 vfree(ha->chap_list);
4183 ha->chap_list = NULL;
4184
4185 if (ha->fw_ddb_dma_pool)
4186 dma_pool_destroy(ha->fw_ddb_dma_pool);
4187
4188
4189 if (is_qla8022(ha)) {
4190 if (ha->nx_pcibase)
4191 iounmap(
4192 (struct device_reg_82xx __iomem *)ha->nx_pcibase);
4193 } else if (is_qla8032(ha) || is_qla8042(ha)) {
4194 if (ha->nx_pcibase)
4195 iounmap(
4196 (struct device_reg_83xx __iomem *)ha->nx_pcibase);
4197 } else if (ha->reg) {
4198 iounmap(ha->reg);
4199 }
4200
4201 if (ha->reset_tmplt.buff)
4202 vfree(ha->reset_tmplt.buff);
4203
4204 pci_release_regions(ha->pdev);
4205}
4206
4207
4208
4209
4210
4211
4212
4213
4214static int qla4xxx_mem_alloc(struct scsi_qla_host *ha)
4215{
4216 unsigned long align;
4217
4218
4219 ha->queues_len = ((REQUEST_QUEUE_DEPTH * QUEUE_SIZE) +
4220 (RESPONSE_QUEUE_DEPTH * QUEUE_SIZE) +
4221 sizeof(struct shadow_regs) +
4222 MEM_ALIGN_VALUE +
4223 (PAGE_SIZE - 1)) & ~(PAGE_SIZE - 1);
4224 ha->queues = dma_alloc_coherent(&ha->pdev->dev, ha->queues_len,
4225 &ha->queues_dma, GFP_KERNEL);
4226 if (ha->queues == NULL) {
4227 ql4_printk(KERN_WARNING, ha,
4228 "Memory Allocation failed - queues.\n");
4229
4230 goto mem_alloc_error_exit;
4231 }
4232 memset(ha->queues, 0, ha->queues_len);
4233
4234
4235
4236
4237
4238 align = 0;
4239 if ((unsigned long)ha->queues_dma & (MEM_ALIGN_VALUE - 1))
4240 align = MEM_ALIGN_VALUE - ((unsigned long)ha->queues_dma &
4241 (MEM_ALIGN_VALUE - 1));
4242
4243
4244 ha->request_dma = ha->queues_dma + align;
4245 ha->request_ring = (struct queue_entry *) (ha->queues + align);
4246 ha->response_dma = ha->queues_dma + align +
4247 (REQUEST_QUEUE_DEPTH * QUEUE_SIZE);
4248 ha->response_ring = (struct queue_entry *) (ha->queues + align +
4249 (REQUEST_QUEUE_DEPTH *
4250 QUEUE_SIZE));
4251 ha->shadow_regs_dma = ha->queues_dma + align +
4252 (REQUEST_QUEUE_DEPTH * QUEUE_SIZE) +
4253 (RESPONSE_QUEUE_DEPTH * QUEUE_SIZE);
4254 ha->shadow_regs = (struct shadow_regs *) (ha->queues + align +
4255 (REQUEST_QUEUE_DEPTH *
4256 QUEUE_SIZE) +
4257 (RESPONSE_QUEUE_DEPTH *
4258 QUEUE_SIZE));
4259
4260
4261 ha->srb_mempool = mempool_create(SRB_MIN_REQ, mempool_alloc_slab,
4262 mempool_free_slab, srb_cachep);
4263 if (ha->srb_mempool == NULL) {
4264 ql4_printk(KERN_WARNING, ha,
4265 "Memory Allocation failed - SRB Pool.\n");
4266
4267 goto mem_alloc_error_exit;
4268 }
4269
4270 ha->chap_dma_pool = dma_pool_create("ql4_chap", &ha->pdev->dev,
4271 CHAP_DMA_BLOCK_SIZE, 8, 0);
4272
4273 if (ha->chap_dma_pool == NULL) {
4274 ql4_printk(KERN_WARNING, ha,
4275 "%s: chap_dma_pool allocation failed..\n", __func__);
4276 goto mem_alloc_error_exit;
4277 }
4278
4279 ha->fw_ddb_dma_pool = dma_pool_create("ql4_fw_ddb", &ha->pdev->dev,
4280 DDB_DMA_BLOCK_SIZE, 8, 0);
4281
4282 if (ha->fw_ddb_dma_pool == NULL) {
4283 ql4_printk(KERN_WARNING, ha,
4284 "%s: fw_ddb_dma_pool allocation failed..\n",
4285 __func__);
4286 goto mem_alloc_error_exit;
4287 }
4288
4289 return QLA_SUCCESS;
4290
4291mem_alloc_error_exit:
4292 qla4xxx_mem_free(ha);
4293 return QLA_ERROR;
4294}
4295
4296
4297
4298
4299
4300
4301
4302static int qla4_8xxx_check_temp(struct scsi_qla_host *ha)
4303{
4304 uint32_t temp, temp_state, temp_val;
4305 int status = QLA_SUCCESS;
4306
4307 temp = qla4_8xxx_rd_direct(ha, QLA8XXX_CRB_TEMP_STATE);
4308
4309 temp_state = qla82xx_get_temp_state(temp);
4310 temp_val = qla82xx_get_temp_val(temp);
4311
4312 if (temp_state == QLA82XX_TEMP_PANIC) {
4313 ql4_printk(KERN_WARNING, ha, "Device temperature %d degrees C"
4314 " exceeds maximum allowed. Hardware has been shut"
4315 " down.\n", temp_val);
4316 status = QLA_ERROR;
4317 } else if (temp_state == QLA82XX_TEMP_WARN) {
4318 if (ha->temperature == QLA82XX_TEMP_NORMAL)
4319 ql4_printk(KERN_WARNING, ha, "Device temperature %d"
4320 " degrees C exceeds operating range."
4321 " Immediate action needed.\n", temp_val);
4322 } else {
4323 if (ha->temperature == QLA82XX_TEMP_WARN)
4324 ql4_printk(KERN_INFO, ha, "Device temperature is"
4325 " now %d degrees C in normal range.\n",
4326 temp_val);
4327 }
4328 ha->temperature = temp_state;
4329 return status;
4330}
4331
4332
4333
4334
4335
4336
4337
4338static int qla4_8xxx_check_fw_alive(struct scsi_qla_host *ha)
4339{
4340 uint32_t fw_heartbeat_counter;
4341 int status = QLA_SUCCESS;
4342
4343 fw_heartbeat_counter = qla4_8xxx_rd_direct(ha,
4344 QLA8XXX_PEG_ALIVE_COUNTER);
4345
4346 if (fw_heartbeat_counter == 0xffffffff) {
4347 DEBUG2(printk(KERN_WARNING "scsi%ld: %s: Device in frozen "
4348 "state, QLA82XX_PEG_ALIVE_COUNTER is 0xffffffff\n",
4349 ha->host_no, __func__));
4350 return status;
4351 }
4352
4353 if (ha->fw_heartbeat_counter == fw_heartbeat_counter) {
4354 ha->seconds_since_last_heartbeat++;
4355
4356 if (ha->seconds_since_last_heartbeat == 2) {
4357 ha->seconds_since_last_heartbeat = 0;
4358 qla4_8xxx_dump_peg_reg(ha);
4359 status = QLA_ERROR;
4360 }
4361 } else
4362 ha->seconds_since_last_heartbeat = 0;
4363
4364 ha->fw_heartbeat_counter = fw_heartbeat_counter;
4365 return status;
4366}
4367
4368static void qla4_8xxx_process_fw_error(struct scsi_qla_host *ha)
4369{
4370 uint32_t halt_status;
4371 int halt_status_unrecoverable = 0;
4372
4373 halt_status = qla4_8xxx_rd_direct(ha, QLA8XXX_PEG_HALT_STATUS1);
4374
4375 if (is_qla8022(ha)) {
4376 ql4_printk(KERN_INFO, ha, "%s: disabling pause transmit on port 0 & 1.\n",
4377 __func__);
4378 qla4_82xx_wr_32(ha, QLA82XX_CRB_NIU + 0x98,
4379 CRB_NIU_XG_PAUSE_CTL_P0 |
4380 CRB_NIU_XG_PAUSE_CTL_P1);
4381
4382 if (QLA82XX_FWERROR_CODE(halt_status) == 0x67)
4383 ql4_printk(KERN_ERR, ha, "%s: Firmware aborted with error code 0x00006700. Device is being reset\n",
4384 __func__);
4385 if (halt_status & HALT_STATUS_UNRECOVERABLE)
4386 halt_status_unrecoverable = 1;
4387 } else if (is_qla8032(ha) || is_qla8042(ha)) {
4388 if (halt_status & QLA83XX_HALT_STATUS_FW_RESET)
4389 ql4_printk(KERN_ERR, ha, "%s: Firmware error detected device is being reset\n",
4390 __func__);
4391 else if (halt_status & QLA83XX_HALT_STATUS_UNRECOVERABLE)
4392 halt_status_unrecoverable = 1;
4393 }
4394
4395
4396
4397
4398
4399 if (halt_status_unrecoverable) {
4400 set_bit(DPC_HA_UNRECOVERABLE, &ha->dpc_flags);
4401 } else {
4402 ql4_printk(KERN_INFO, ha, "%s: detect abort needed!\n",
4403 __func__);
4404 set_bit(DPC_RESET_HA, &ha->dpc_flags);
4405 }
4406 qla4xxx_mailbox_premature_completion(ha);
4407 qla4xxx_wake_dpc(ha);
4408}
4409
4410
4411
4412
4413
4414
4415
4416void qla4_8xxx_watchdog(struct scsi_qla_host *ha)
4417{
4418 uint32_t dev_state;
4419 uint32_t idc_ctrl;
4420
4421 if (is_qla8032(ha) &&
4422 (qla4_83xx_is_detached(ha) == QLA_SUCCESS))
4423 WARN_ONCE(1, "%s: iSCSI function %d marked invisible\n",
4424 __func__, ha->func_num);
4425
4426
4427 if (!(test_bit(DPC_RESET_ACTIVE, &ha->dpc_flags) ||
4428 test_bit(DPC_RESET_HA, &ha->dpc_flags) ||
4429 test_bit(DPC_RETRY_RESET_HA, &ha->dpc_flags))) {
4430 dev_state = qla4_8xxx_rd_direct(ha, QLA8XXX_CRB_DEV_STATE);
4431
4432 if (qla4_8xxx_check_temp(ha)) {
4433 if (is_qla8022(ha)) {
4434 ql4_printk(KERN_INFO, ha, "disabling pause transmit on port 0 & 1.\n");
4435 qla4_82xx_wr_32(ha, QLA82XX_CRB_NIU + 0x98,
4436 CRB_NIU_XG_PAUSE_CTL_P0 |
4437 CRB_NIU_XG_PAUSE_CTL_P1);
4438 }
4439 set_bit(DPC_HA_UNRECOVERABLE, &ha->dpc_flags);
4440 qla4xxx_wake_dpc(ha);
4441 } else if (dev_state == QLA8XXX_DEV_NEED_RESET &&
4442 !test_bit(DPC_RESET_HA, &ha->dpc_flags)) {
4443
4444 ql4_printk(KERN_INFO, ha, "%s: HW State: NEED RESET!\n",
4445 __func__);
4446
4447 if (is_qla8032(ha) || is_qla8042(ha)) {
4448 idc_ctrl = qla4_83xx_rd_reg(ha,
4449 QLA83XX_IDC_DRV_CTRL);
4450 if (!(idc_ctrl & GRACEFUL_RESET_BIT1)) {
4451 ql4_printk(KERN_INFO, ha, "%s: Graceful reset bit is not set\n",
4452 __func__);
4453 qla4xxx_mailbox_premature_completion(
4454 ha);
4455 }
4456 }
4457
4458 if ((is_qla8032(ha) || is_qla8042(ha)) ||
4459 (is_qla8022(ha) && !ql4xdontresethba)) {
4460 set_bit(DPC_RESET_HA, &ha->dpc_flags);
4461 qla4xxx_wake_dpc(ha);
4462 }
4463 } else if (dev_state == QLA8XXX_DEV_NEED_QUIESCENT &&
4464 !test_bit(DPC_HA_NEED_QUIESCENT, &ha->dpc_flags)) {
4465 ql4_printk(KERN_INFO, ha, "%s: HW State: NEED QUIES!\n",
4466 __func__);
4467 set_bit(DPC_HA_NEED_QUIESCENT, &ha->dpc_flags);
4468 qla4xxx_wake_dpc(ha);
4469 } else {
4470
4471 if (qla4_8xxx_check_fw_alive(ha))
4472 qla4_8xxx_process_fw_error(ha);
4473 }
4474 }
4475}
4476
4477static void qla4xxx_check_relogin_flash_ddb(struct iscsi_cls_session *cls_sess)
4478{
4479 struct iscsi_session *sess;
4480 struct ddb_entry *ddb_entry;
4481 struct scsi_qla_host *ha;
4482
4483 sess = cls_sess->dd_data;
4484 ddb_entry = sess->dd_data;
4485 ha = ddb_entry->ha;
4486
4487 if (!(ddb_entry->ddb_type == FLASH_DDB))
4488 return;
4489
4490 if (adapter_up(ha) && !test_bit(DF_RELOGIN, &ddb_entry->flags) &&
4491 !iscsi_is_session_online(cls_sess)) {
4492 if (atomic_read(&ddb_entry->retry_relogin_timer) !=
4493 INVALID_ENTRY) {
4494 if (atomic_read(&ddb_entry->retry_relogin_timer) ==
4495 0) {
4496 atomic_set(&ddb_entry->retry_relogin_timer,
4497 INVALID_ENTRY);
4498 set_bit(DPC_RELOGIN_DEVICE, &ha->dpc_flags);
4499 set_bit(DF_RELOGIN, &ddb_entry->flags);
4500 DEBUG2(ql4_printk(KERN_INFO, ha,
4501 "%s: index [%d] login device\n",
4502 __func__, ddb_entry->fw_ddb_index));
4503 } else
4504 atomic_dec(&ddb_entry->retry_relogin_timer);
4505 }
4506 }
4507
4508
4509 if (atomic_read(&ddb_entry->relogin_timer) &&
4510 (atomic_dec_and_test(&ddb_entry->relogin_timer) != 0)) {
4511
4512
4513
4514
4515 if (!iscsi_is_session_online(cls_sess)) {
4516
4517 atomic_inc(&ddb_entry->relogin_retry_count);
4518 DEBUG2(ql4_printk(KERN_INFO, ha,
4519 "%s: index[%d] relogin timed out-retrying"
4520 " relogin (%d), retry (%d)\n", __func__,
4521 ddb_entry->fw_ddb_index,
4522 atomic_read(&ddb_entry->relogin_retry_count),
4523 ddb_entry->default_time2wait + 4));
4524 set_bit(DPC_RELOGIN_DEVICE, &ha->dpc_flags);
4525 atomic_set(&ddb_entry->retry_relogin_timer,
4526 ddb_entry->default_time2wait + 4);
4527 }
4528 }
4529}
4530
4531
4532
4533
4534
4535static void qla4xxx_timer(struct scsi_qla_host *ha)
4536{
4537 int start_dpc = 0;
4538 uint16_t w;
4539
4540 iscsi_host_for_each_session(ha->host, qla4xxx_check_relogin_flash_ddb);
4541
4542
4543
4544
4545 if (test_bit(AF_EEH_BUSY, &ha->flags)) {
4546 mod_timer(&ha->timer, jiffies + HZ);
4547 return;
4548 }
4549
4550
4551 if (!pci_channel_offline(ha->pdev))
4552 pci_read_config_word(ha->pdev, PCI_VENDOR_ID, &w);
4553
4554 if (is_qla80XX(ha))
4555 qla4_8xxx_watchdog(ha);
4556
4557 if (is_qla40XX(ha)) {
4558
4559 if (ha->firmware_options & FWOPT_HEARTBEAT_ENABLE &&
4560 ha->heartbeat_interval != 0) {
4561 ha->seconds_since_last_heartbeat++;
4562 if (ha->seconds_since_last_heartbeat >
4563 ha->heartbeat_interval + 2)
4564 set_bit(DPC_RESET_HA, &ha->dpc_flags);
4565 }
4566 }
4567
4568
4569 if (!list_empty(&ha->work_list))
4570 start_dpc++;
4571
4572
4573 if (start_dpc ||
4574 test_bit(DPC_RESET_HA, &ha->dpc_flags) ||
4575 test_bit(DPC_RETRY_RESET_HA, &ha->dpc_flags) ||
4576 test_bit(DPC_RELOGIN_DEVICE, &ha->dpc_flags) ||
4577 test_bit(DPC_RESET_HA_FW_CONTEXT, &ha->dpc_flags) ||
4578 test_bit(DPC_RESET_HA_INTR, &ha->dpc_flags) ||
4579 test_bit(DPC_GET_DHCP_IP_ADDR, &ha->dpc_flags) ||
4580 test_bit(DPC_LINK_CHANGED, &ha->dpc_flags) ||
4581 test_bit(DPC_HA_UNRECOVERABLE, &ha->dpc_flags) ||
4582 test_bit(DPC_HA_NEED_QUIESCENT, &ha->dpc_flags) ||
4583 test_bit(DPC_SYSFS_DDB_EXPORT, &ha->dpc_flags) ||
4584 test_bit(DPC_AEN, &ha->dpc_flags)) {
4585 DEBUG2(printk("scsi%ld: %s: scheduling dpc routine"
4586 " - dpc flags = 0x%lx\n",
4587 ha->host_no, __func__, ha->dpc_flags));
4588 qla4xxx_wake_dpc(ha);
4589 }
4590
4591
4592 mod_timer(&ha->timer, jiffies + HZ);
4593
4594 DEBUG2(ha->seconds_since_last_intr++);
4595}
4596
4597
4598
4599
4600
4601
4602
4603
4604static int qla4xxx_cmd_wait(struct scsi_qla_host *ha)
4605{
4606 uint32_t index = 0;
4607 unsigned long flags;
4608 struct scsi_cmnd *cmd;
4609 unsigned long wtime;
4610 uint32_t wtmo;
4611
4612 if (is_qla40XX(ha))
4613 wtmo = WAIT_CMD_TOV;
4614 else
4615 wtmo = ha->nx_reset_timeout / 2;
4616
4617 wtime = jiffies + (wtmo * HZ);
4618
4619 DEBUG2(ql4_printk(KERN_INFO, ha,
4620 "Wait up to %u seconds for cmds to complete\n",
4621 wtmo));
4622
4623 while (!time_after_eq(jiffies, wtime)) {
4624 spin_lock_irqsave(&ha->hardware_lock, flags);
4625
4626 for (index = 0; index < ha->host->can_queue; index++) {
4627 cmd = scsi_host_find_tag(ha->host, index);
4628
4629
4630
4631
4632
4633
4634 if (cmd != NULL && CMD_SP(cmd))
4635 break;
4636 }
4637 spin_unlock_irqrestore(&ha->hardware_lock, flags);
4638
4639
4640 if (index == ha->host->can_queue)
4641 return QLA_SUCCESS;
4642
4643 msleep(1000);
4644 }
4645
4646
4647 return QLA_ERROR;
4648}
4649
4650int qla4xxx_hw_reset(struct scsi_qla_host *ha)
4651{
4652 uint32_t ctrl_status;
4653 unsigned long flags = 0;
4654
4655 DEBUG2(printk(KERN_ERR "scsi%ld: %s\n", ha->host_no, __func__));
4656
4657 if (ql4xxx_lock_drvr_wait(ha) != QLA_SUCCESS)
4658 return QLA_ERROR;
4659
4660 spin_lock_irqsave(&ha->hardware_lock, flags);
4661
4662
4663
4664
4665
4666 ctrl_status = readw(&ha->reg->ctrl_status);
4667 if ((ctrl_status & CSR_SCSI_RESET_INTR) != 0)
4668 writel(set_rmask(CSR_SCSI_RESET_INTR), &ha->reg->ctrl_status);
4669
4670
4671 writel(set_rmask(CSR_SOFT_RESET), &ha->reg->ctrl_status);
4672 readl(&ha->reg->ctrl_status);
4673
4674 spin_unlock_irqrestore(&ha->hardware_lock, flags);
4675 return QLA_SUCCESS;
4676}
4677
4678
4679
4680
4681
4682int qla4xxx_soft_reset(struct scsi_qla_host *ha)
4683{
4684 uint32_t max_wait_time;
4685 unsigned long flags = 0;
4686 int status;
4687 uint32_t ctrl_status;
4688
4689 status = qla4xxx_hw_reset(ha);
4690 if (status != QLA_SUCCESS)
4691 return status;
4692
4693 status = QLA_ERROR;
4694
4695 max_wait_time = RESET_INTR_TOV;
4696 do {
4697 spin_lock_irqsave(&ha->hardware_lock, flags);
4698 ctrl_status = readw(&ha->reg->ctrl_status);
4699 spin_unlock_irqrestore(&ha->hardware_lock, flags);
4700
4701 if ((ctrl_status & CSR_NET_RESET_INTR) == 0)
4702 break;
4703
4704 msleep(1000);
4705 } while ((--max_wait_time));
4706
4707 if ((ctrl_status & CSR_NET_RESET_INTR) != 0) {
4708 DEBUG2(printk(KERN_WARNING
4709 "scsi%ld: Network Reset Intr not cleared by "
4710 "Network function, clearing it now!\n",
4711 ha->host_no));
4712 spin_lock_irqsave(&ha->hardware_lock, flags);
4713 writel(set_rmask(CSR_NET_RESET_INTR), &ha->reg->ctrl_status);
4714 readl(&ha->reg->ctrl_status);
4715 spin_unlock_irqrestore(&ha->hardware_lock, flags);
4716 }
4717
4718
4719 max_wait_time = SOFT_RESET_TOV;
4720 do {
4721 spin_lock_irqsave(&ha->hardware_lock, flags);
4722 ctrl_status = readw(&ha->reg->ctrl_status);
4723 spin_unlock_irqrestore(&ha->hardware_lock, flags);
4724
4725 if ((ctrl_status & CSR_SOFT_RESET) == 0) {
4726 status = QLA_SUCCESS;
4727 break;
4728 }
4729
4730 msleep(1000);
4731 } while ((--max_wait_time));
4732
4733
4734
4735
4736
4737 spin_lock_irqsave(&ha->hardware_lock, flags);
4738 ctrl_status = readw(&ha->reg->ctrl_status);
4739 if ((ctrl_status & CSR_SCSI_RESET_INTR) != 0) {
4740 writel(set_rmask(CSR_SCSI_RESET_INTR), &ha->reg->ctrl_status);
4741 readl(&ha->reg->ctrl_status);
4742 }
4743 spin_unlock_irqrestore(&ha->hardware_lock, flags);
4744
4745
4746
4747
4748
4749
4750
4751 if (max_wait_time == 0) {
4752
4753 spin_lock_irqsave(&ha->hardware_lock, flags);
4754 writel(set_rmask(CSR_FORCE_SOFT_RESET), &ha->reg->ctrl_status);
4755 readl(&ha->reg->ctrl_status);
4756 spin_unlock_irqrestore(&ha->hardware_lock, flags);
4757
4758 max_wait_time = SOFT_RESET_TOV;
4759 do {
4760 spin_lock_irqsave(&ha->hardware_lock, flags);
4761 ctrl_status = readw(&ha->reg->ctrl_status);
4762 spin_unlock_irqrestore(&ha->hardware_lock, flags);
4763
4764 if ((ctrl_status & CSR_FORCE_SOFT_RESET) == 0) {
4765 status = QLA_SUCCESS;
4766 break;
4767 }
4768
4769 msleep(1000);
4770 } while ((--max_wait_time));
4771 }
4772
4773 return status;
4774}
4775
4776
4777
4778
4779
4780
4781
4782
4783
4784
4785
4786static void qla4xxx_abort_active_cmds(struct scsi_qla_host *ha, int res)
4787{
4788 struct srb *srb;
4789 int i;
4790 unsigned long flags;
4791
4792 spin_lock_irqsave(&ha->hardware_lock, flags);
4793 for (i = 0; i < ha->host->can_queue; i++) {
4794 srb = qla4xxx_del_from_active_array(ha, i);
4795 if (srb != NULL) {
4796 srb->cmd->result = res;
4797 kref_put(&srb->srb_ref, qla4xxx_srb_compl);
4798 }
4799 }
4800 spin_unlock_irqrestore(&ha->hardware_lock, flags);
4801}
4802
4803void qla4xxx_dead_adapter_cleanup(struct scsi_qla_host *ha)
4804{
4805 clear_bit(AF_ONLINE, &ha->flags);
4806
4807
4808 ql4_printk(KERN_INFO, ha, "Disabling the board\n");
4809
4810 qla4xxx_abort_active_cmds(ha, DID_NO_CONNECT << 16);
4811 qla4xxx_mark_all_devices_missing(ha);
4812 clear_bit(AF_INIT_DONE, &ha->flags);
4813}
4814
4815static void qla4xxx_fail_session(struct iscsi_cls_session *cls_session)
4816{
4817 struct iscsi_session *sess;
4818 struct ddb_entry *ddb_entry;
4819
4820 sess = cls_session->dd_data;
4821 ddb_entry = sess->dd_data;
4822 ddb_entry->fw_ddb_device_state = DDB_DS_SESSION_FAILED;
4823
4824 if (ddb_entry->ddb_type == FLASH_DDB)
4825 iscsi_block_session(ddb_entry->sess);
4826 else
4827 iscsi_session_failure(cls_session->dd_data,
4828 ISCSI_ERR_CONN_FAILED);
4829}
4830
4831
4832
4833
4834
4835static int qla4xxx_recover_adapter(struct scsi_qla_host *ha)
4836{
4837 int status = QLA_ERROR;
4838 uint8_t reset_chip = 0;
4839 uint32_t dev_state;
4840 unsigned long wait;
4841
4842
4843 scsi_block_requests(ha->host);
4844 clear_bit(AF_ONLINE, &ha->flags);
4845 clear_bit(AF_LINK_UP, &ha->flags);
4846
4847 DEBUG2(ql4_printk(KERN_INFO, ha, "%s: adapter OFFLINE\n", __func__));
4848
4849 set_bit(DPC_RESET_ACTIVE, &ha->dpc_flags);
4850
4851 if ((is_qla8032(ha) || is_qla8042(ha)) &&
4852 !test_bit(DPC_RESET_HA_FW_CONTEXT, &ha->dpc_flags)) {
4853 ql4_printk(KERN_INFO, ha, "%s: disabling pause transmit on port 0 & 1.\n",
4854 __func__);
4855
4856 qla4_83xx_disable_pause(ha);
4857 }
4858
4859 iscsi_host_for_each_session(ha->host, qla4xxx_fail_session);
4860
4861 if (test_bit(DPC_RESET_HA, &ha->dpc_flags))
4862 reset_chip = 1;
4863
4864
4865
4866 if (test_bit(DPC_RESET_HA_INTR, &ha->dpc_flags)) {
4867 status = QLA_SUCCESS;
4868 goto recover_ha_init_adapter;
4869 }
4870
4871
4872
4873 if (is_qla80XX(ha) && !reset_chip &&
4874 test_bit(DPC_RESET_HA_FW_CONTEXT, &ha->dpc_flags)) {
4875
4876 DEBUG2(ql4_printk(KERN_INFO, ha,
4877 "scsi%ld: %s - Performing stop_firmware...\n",
4878 ha->host_no, __func__));
4879 status = ha->isp_ops->reset_firmware(ha);
4880 if (status == QLA_SUCCESS) {
4881 if (!test_bit(AF_FW_RECOVERY, &ha->flags))
4882 qla4xxx_cmd_wait(ha);
4883
4884 ha->isp_ops->disable_intrs(ha);
4885 qla4xxx_process_aen(ha, FLUSH_DDB_CHANGED_AENS);
4886 qla4xxx_abort_active_cmds(ha, DID_RESET << 16);
4887 } else {
4888
4889
4890 reset_chip = 1;
4891 clear_bit(DPC_RESET_HA_FW_CONTEXT, &ha->dpc_flags);
4892 set_bit(DPC_RESET_HA, &ha->dpc_flags);
4893 }
4894 }
4895
4896
4897
4898
4899 if (is_qla40XX(ha) || reset_chip) {
4900 if (is_qla40XX(ha))
4901 goto chip_reset;
4902
4903
4904
4905
4906 if (test_bit(AF_FW_RECOVERY, &ha->flags))
4907 goto chip_reset;
4908
4909 wait = jiffies + (FW_ALIVE_WAIT_TOV * HZ);
4910 while (time_before(jiffies, wait)) {
4911 if (qla4_8xxx_check_fw_alive(ha)) {
4912 qla4xxx_mailbox_premature_completion(ha);
4913 break;
4914 }
4915
4916 set_current_state(TASK_UNINTERRUPTIBLE);
4917 schedule_timeout(HZ);
4918 }
4919chip_reset:
4920 if (!test_bit(AF_FW_RECOVERY, &ha->flags))
4921 qla4xxx_cmd_wait(ha);
4922
4923 qla4xxx_process_aen(ha, FLUSH_DDB_CHANGED_AENS);
4924 DEBUG2(ql4_printk(KERN_INFO, ha,
4925 "scsi%ld: %s - Performing chip reset..\n",
4926 ha->host_no, __func__));
4927 status = ha->isp_ops->reset_chip(ha);
4928 qla4xxx_abort_active_cmds(ha, DID_RESET << 16);
4929 }
4930
4931
4932 qla4xxx_process_aen(ha, FLUSH_DDB_CHANGED_AENS);
4933
4934recover_ha_init_adapter:
4935
4936 if (status == QLA_SUCCESS) {
4937
4938
4939
4940 if (is_qla40XX(ha) && (ha->mac_index == 3))
4941 ssleep(6);
4942
4943
4944
4945 status = qla4xxx_initialize_adapter(ha, RESET_ADAPTER);
4946 if (is_qla80XX(ha) && (status == QLA_ERROR)) {
4947 status = qla4_8xxx_check_init_adapter_retry(ha);
4948 if (status == QLA_ERROR) {
4949 ql4_printk(KERN_INFO, ha, "scsi%ld: %s: Don't retry recover adapter\n",
4950 ha->host_no, __func__);
4951 qla4xxx_dead_adapter_cleanup(ha);
4952 clear_bit(DPC_RETRY_RESET_HA, &ha->dpc_flags);
4953 clear_bit(DPC_RESET_HA, &ha->dpc_flags);
4954 clear_bit(DPC_RESET_HA_FW_CONTEXT,
4955 &ha->dpc_flags);
4956 goto exit_recover;
4957 }
4958 }
4959 }
4960
4961
4962
4963
4964 if (!test_bit(AF_ONLINE, &ha->flags) &&
4965 !test_bit(DPC_RESET_HA_INTR, &ha->dpc_flags)) {
4966
4967
4968
4969
4970
4971 if (is_qla80XX(ha)) {
4972 ha->isp_ops->idc_lock(ha);
4973 dev_state = qla4_8xxx_rd_direct(ha,
4974 QLA8XXX_CRB_DEV_STATE);
4975 ha->isp_ops->idc_unlock(ha);
4976 if (dev_state == QLA8XXX_DEV_FAILED) {
4977 ql4_printk(KERN_INFO, ha, "%s: don't retry "
4978 "recover adapter. H/W is in Failed "
4979 "state\n", __func__);
4980 qla4xxx_dead_adapter_cleanup(ha);
4981 clear_bit(DPC_RETRY_RESET_HA, &ha->dpc_flags);
4982 clear_bit(DPC_RESET_HA, &ha->dpc_flags);
4983 clear_bit(DPC_RESET_HA_FW_CONTEXT,
4984 &ha->dpc_flags);
4985 status = QLA_ERROR;
4986
4987 goto exit_recover;
4988 }
4989 }
4990
4991 if (!test_bit(DPC_RETRY_RESET_HA, &ha->dpc_flags)) {
4992 ha->retry_reset_ha_cnt = MAX_RESET_HA_RETRIES;
4993 DEBUG2(printk("scsi%ld: recover adapter - retrying "
4994 "(%d) more times\n", ha->host_no,
4995 ha->retry_reset_ha_cnt));
4996 set_bit(DPC_RETRY_RESET_HA, &ha->dpc_flags);
4997 status = QLA_ERROR;
4998 } else {
4999 if (ha->retry_reset_ha_cnt > 0) {
5000
5001 ha->retry_reset_ha_cnt--;
5002 DEBUG2(printk("scsi%ld: recover adapter - "
5003 "retry remaining %d\n",
5004 ha->host_no,
5005 ha->retry_reset_ha_cnt));
5006 status = QLA_ERROR;
5007 }
5008
5009 if (ha->retry_reset_ha_cnt == 0) {
5010
5011
5012 DEBUG2(printk("scsi%ld: recover adapter "
5013 "failed - board disabled\n",
5014 ha->host_no));
5015 qla4xxx_dead_adapter_cleanup(ha);
5016 clear_bit(DPC_RETRY_RESET_HA, &ha->dpc_flags);
5017 clear_bit(DPC_RESET_HA, &ha->dpc_flags);
5018 clear_bit(DPC_RESET_HA_FW_CONTEXT,
5019 &ha->dpc_flags);
5020 status = QLA_ERROR;
5021 }
5022 }
5023 } else {
5024 clear_bit(DPC_RESET_HA, &ha->dpc_flags);
5025 clear_bit(DPC_RESET_HA_FW_CONTEXT, &ha->dpc_flags);
5026 clear_bit(DPC_RETRY_RESET_HA, &ha->dpc_flags);
5027 }
5028
5029exit_recover:
5030 ha->adapter_error_count++;
5031
5032 if (test_bit(AF_ONLINE, &ha->flags))
5033 ha->isp_ops->enable_intrs(ha);
5034
5035 scsi_unblock_requests(ha->host);
5036
5037 clear_bit(DPC_RESET_ACTIVE, &ha->dpc_flags);
5038 DEBUG2(printk("scsi%ld: recover adapter: %s\n", ha->host_no,
5039 status == QLA_ERROR ? "FAILED" : "SUCCEEDED"));
5040
5041 return status;
5042}
5043
5044static void qla4xxx_relogin_devices(struct iscsi_cls_session *cls_session)
5045{
5046 struct iscsi_session *sess;
5047 struct ddb_entry *ddb_entry;
5048 struct scsi_qla_host *ha;
5049
5050 sess = cls_session->dd_data;
5051 ddb_entry = sess->dd_data;
5052 ha = ddb_entry->ha;
5053 if (!iscsi_is_session_online(cls_session)) {
5054 if (ddb_entry->fw_ddb_device_state == DDB_DS_SESSION_ACTIVE) {
5055 ql4_printk(KERN_INFO, ha, "scsi%ld: %s: ddb[%d]"
5056 " unblock session\n", ha->host_no, __func__,
5057 ddb_entry->fw_ddb_index);
5058 iscsi_unblock_session(ddb_entry->sess);
5059 } else {
5060
5061 if (ddb_entry->ddb_type == FLASH_DDB) {
5062 if (!(test_bit(DF_RELOGIN, &ddb_entry->flags) ||
5063 test_bit(DF_DISABLE_RELOGIN,
5064 &ddb_entry->flags)))
5065 qla4xxx_arm_relogin_timer(ddb_entry);
5066 } else
5067 iscsi_session_failure(cls_session->dd_data,
5068 ISCSI_ERR_CONN_FAILED);
5069 }
5070 }
5071}
5072
5073int qla4xxx_unblock_flash_ddb(struct iscsi_cls_session *cls_session)
5074{
5075 struct iscsi_session *sess;
5076 struct ddb_entry *ddb_entry;
5077 struct scsi_qla_host *ha;
5078
5079 sess = cls_session->dd_data;
5080 ddb_entry = sess->dd_data;
5081 ha = ddb_entry->ha;
5082 ql4_printk(KERN_INFO, ha, "scsi%ld: %s: ddb[%d]"
5083 " unblock session\n", ha->host_no, __func__,
5084 ddb_entry->fw_ddb_index);
5085
5086 iscsi_unblock_session(ddb_entry->sess);
5087
5088
5089 if (test_bit(AF_ONLINE, &ha->flags)) {
5090 ql4_printk(KERN_INFO, ha, "scsi%ld: %s: ddb[%d]"
5091 " start scan\n", ha->host_no, __func__,
5092 ddb_entry->fw_ddb_index);
5093 scsi_queue_work(ha->host, &ddb_entry->sess->scan_work);
5094 }
5095 return QLA_SUCCESS;
5096}
5097
5098int qla4xxx_unblock_ddb(struct iscsi_cls_session *cls_session)
5099{
5100 struct iscsi_session *sess;
5101 struct ddb_entry *ddb_entry;
5102 struct scsi_qla_host *ha;
5103 int status = QLA_SUCCESS;
5104
5105 sess = cls_session->dd_data;
5106 ddb_entry = sess->dd_data;
5107 ha = ddb_entry->ha;
5108 ql4_printk(KERN_INFO, ha, "scsi%ld: %s: ddb[%d]"
5109 " unblock user space session\n", ha->host_no, __func__,
5110 ddb_entry->fw_ddb_index);
5111
5112 if (!iscsi_is_session_online(cls_session)) {
5113 iscsi_conn_start(ddb_entry->conn);
5114 iscsi_conn_login_event(ddb_entry->conn,
5115 ISCSI_CONN_STATE_LOGGED_IN);
5116 } else {
5117 ql4_printk(KERN_INFO, ha,
5118 "scsi%ld: %s: ddb[%d] session [%d] already logged in\n",
5119 ha->host_no, __func__, ddb_entry->fw_ddb_index,
5120 cls_session->sid);
5121 status = QLA_ERROR;
5122 }
5123
5124 return status;
5125}
5126
5127static void qla4xxx_relogin_all_devices(struct scsi_qla_host *ha)
5128{
5129 iscsi_host_for_each_session(ha->host, qla4xxx_relogin_devices);
5130}
5131
5132static void qla4xxx_relogin_flash_ddb(struct iscsi_cls_session *cls_sess)
5133{
5134 uint16_t relogin_timer;
5135 struct iscsi_session *sess;
5136 struct ddb_entry *ddb_entry;
5137 struct scsi_qla_host *ha;
5138
5139 sess = cls_sess->dd_data;
5140 ddb_entry = sess->dd_data;
5141 ha = ddb_entry->ha;
5142
5143 relogin_timer = max(ddb_entry->default_relogin_timeout,
5144 (uint16_t)RELOGIN_TOV);
5145 atomic_set(&ddb_entry->relogin_timer, relogin_timer);
5146
5147 DEBUG2(ql4_printk(KERN_INFO, ha,
5148 "scsi%ld: Relogin index [%d]. TOV=%d\n", ha->host_no,
5149 ddb_entry->fw_ddb_index, relogin_timer));
5150
5151 qla4xxx_login_flash_ddb(cls_sess);
5152}
5153
5154static void qla4xxx_dpc_relogin(struct iscsi_cls_session *cls_sess)
5155{
5156 struct iscsi_session *sess;
5157 struct ddb_entry *ddb_entry;
5158 struct scsi_qla_host *ha;
5159
5160 sess = cls_sess->dd_data;
5161 ddb_entry = sess->dd_data;
5162 ha = ddb_entry->ha;
5163
5164 if (!(ddb_entry->ddb_type == FLASH_DDB))
5165 return;
5166
5167 if (test_bit(DF_DISABLE_RELOGIN, &ddb_entry->flags))
5168 return;
5169
5170 if (test_and_clear_bit(DF_RELOGIN, &ddb_entry->flags) &&
5171 !iscsi_is_session_online(cls_sess)) {
5172 DEBUG2(ql4_printk(KERN_INFO, ha,
5173 "relogin issued\n"));
5174 qla4xxx_relogin_flash_ddb(cls_sess);
5175 }
5176}
5177
5178void qla4xxx_wake_dpc(struct scsi_qla_host *ha)
5179{
5180 if (ha->dpc_thread)
5181 queue_work(ha->dpc_thread, &ha->dpc_work);
5182}
5183
5184static struct qla4_work_evt *
5185qla4xxx_alloc_work(struct scsi_qla_host *ha, uint32_t data_size,
5186 enum qla4_work_type type)
5187{
5188 struct qla4_work_evt *e;
5189 uint32_t size = sizeof(struct qla4_work_evt) + data_size;
5190
5191 e = kzalloc(size, GFP_ATOMIC);
5192 if (!e)
5193 return NULL;
5194
5195 INIT_LIST_HEAD(&e->list);
5196 e->type = type;
5197 return e;
5198}
5199
5200static void qla4xxx_post_work(struct scsi_qla_host *ha,
5201 struct qla4_work_evt *e)
5202{
5203 unsigned long flags;
5204
5205 spin_lock_irqsave(&ha->work_lock, flags);
5206 list_add_tail(&e->list, &ha->work_list);
5207 spin_unlock_irqrestore(&ha->work_lock, flags);
5208 qla4xxx_wake_dpc(ha);
5209}
5210
5211int qla4xxx_post_aen_work(struct scsi_qla_host *ha,
5212 enum iscsi_host_event_code aen_code,
5213 uint32_t data_size, uint8_t *data)
5214{
5215 struct qla4_work_evt *e;
5216
5217 e = qla4xxx_alloc_work(ha, data_size, QLA4_EVENT_AEN);
5218 if (!e)
5219 return QLA_ERROR;
5220
5221 e->u.aen.code = aen_code;
5222 e->u.aen.data_size = data_size;
5223 memcpy(e->u.aen.data, data, data_size);
5224
5225 qla4xxx_post_work(ha, e);
5226
5227 return QLA_SUCCESS;
5228}
5229
5230int qla4xxx_post_ping_evt_work(struct scsi_qla_host *ha,
5231 uint32_t status, uint32_t pid,
5232 uint32_t data_size, uint8_t *data)
5233{
5234 struct qla4_work_evt *e;
5235
5236 e = qla4xxx_alloc_work(ha, data_size, QLA4_EVENT_PING_STATUS);
5237 if (!e)
5238 return QLA_ERROR;
5239
5240 e->u.ping.status = status;
5241 e->u.ping.pid = pid;
5242 e->u.ping.data_size = data_size;
5243 memcpy(e->u.ping.data, data, data_size);
5244
5245 qla4xxx_post_work(ha, e);
5246
5247 return QLA_SUCCESS;
5248}
5249
5250static void qla4xxx_do_work(struct scsi_qla_host *ha)
5251{
5252 struct qla4_work_evt *e, *tmp;
5253 unsigned long flags;
5254 LIST_HEAD(work);
5255
5256 spin_lock_irqsave(&ha->work_lock, flags);
5257 list_splice_init(&ha->work_list, &work);
5258 spin_unlock_irqrestore(&ha->work_lock, flags);
5259
5260 list_for_each_entry_safe(e, tmp, &work, list) {
5261 list_del_init(&e->list);
5262
5263 switch (e->type) {
5264 case QLA4_EVENT_AEN:
5265 iscsi_post_host_event(ha->host_no,
5266 &qla4xxx_iscsi_transport,
5267 e->u.aen.code,
5268 e->u.aen.data_size,
5269 e->u.aen.data);
5270 break;
5271 case QLA4_EVENT_PING_STATUS:
5272 iscsi_ping_comp_event(ha->host_no,
5273 &qla4xxx_iscsi_transport,
5274 e->u.ping.status,
5275 e->u.ping.pid,
5276 e->u.ping.data_size,
5277 e->u.ping.data);
5278 break;
5279 default:
5280 ql4_printk(KERN_WARNING, ha, "event type: 0x%x not "
5281 "supported", e->type);
5282 }
5283 kfree(e);
5284 }
5285}
5286
5287
5288
5289
5290
5291
5292
5293
5294
5295
5296
5297
5298static void qla4xxx_do_dpc(struct work_struct *work)
5299{
5300 struct scsi_qla_host *ha =
5301 container_of(work, struct scsi_qla_host, dpc_work);
5302 int status = QLA_ERROR;
5303
5304 DEBUG2(ql4_printk(KERN_INFO, ha,
5305 "scsi%ld: %s: DPC handler waking up. flags = 0x%08lx, dpc_flags = 0x%08lx\n",
5306 ha->host_no, __func__, ha->flags, ha->dpc_flags));
5307
5308
5309 if (!test_bit(AF_INIT_DONE, &ha->flags))
5310 return;
5311
5312 if (test_bit(AF_EEH_BUSY, &ha->flags)) {
5313 DEBUG2(printk(KERN_INFO "scsi%ld: %s: flags = %lx\n",
5314 ha->host_no, __func__, ha->flags));
5315 return;
5316 }
5317
5318
5319 qla4xxx_do_work(ha);
5320
5321 if (is_qla80XX(ha)) {
5322 if (test_bit(DPC_HA_UNRECOVERABLE, &ha->dpc_flags)) {
5323 if (is_qla8032(ha) || is_qla8042(ha)) {
5324 ql4_printk(KERN_INFO, ha, "%s: disabling pause transmit on port 0 & 1.\n",
5325 __func__);
5326
5327 qla4_83xx_disable_pause(ha);
5328 }
5329
5330 ha->isp_ops->idc_lock(ha);
5331 qla4_8xxx_wr_direct(ha, QLA8XXX_CRB_DEV_STATE,
5332 QLA8XXX_DEV_FAILED);
5333 ha->isp_ops->idc_unlock(ha);
5334 ql4_printk(KERN_INFO, ha, "HW State: FAILED\n");
5335 qla4_8xxx_device_state_handler(ha);
5336 }
5337
5338 if (test_bit(DPC_POST_IDC_ACK, &ha->dpc_flags)) {
5339 if (is_qla8042(ha)) {
5340 if (ha->idc_info.info2 &
5341 ENABLE_INTERNAL_LOOPBACK) {
5342 ql4_printk(KERN_INFO, ha, "%s: Disabling ACB\n",
5343 __func__);
5344 status = qla4_84xx_config_acb(ha,
5345 ACB_CONFIG_DISABLE);
5346 if (status != QLA_SUCCESS) {
5347 ql4_printk(KERN_INFO, ha, "%s: ACB config failed\n",
5348 __func__);
5349 }
5350 }
5351 }
5352 qla4_83xx_post_idc_ack(ha);
5353 clear_bit(DPC_POST_IDC_ACK, &ha->dpc_flags);
5354 }
5355
5356 if (is_qla8042(ha) &&
5357 test_bit(DPC_RESTORE_ACB, &ha->dpc_flags)) {
5358 ql4_printk(KERN_INFO, ha, "%s: Restoring ACB\n",
5359 __func__);
5360 if (qla4_84xx_config_acb(ha, ACB_CONFIG_SET) !=
5361 QLA_SUCCESS) {
5362 ql4_printk(KERN_INFO, ha, "%s: ACB config failed ",
5363 __func__);
5364 }
5365 clear_bit(DPC_RESTORE_ACB, &ha->dpc_flags);
5366 }
5367
5368 if (test_and_clear_bit(DPC_HA_NEED_QUIESCENT, &ha->dpc_flags)) {
5369 qla4_8xxx_need_qsnt_handler(ha);
5370 }
5371 }
5372
5373 if (!test_bit(DPC_RESET_ACTIVE, &ha->dpc_flags) &&
5374 (test_bit(DPC_RESET_HA, &ha->dpc_flags) ||
5375 test_bit(DPC_RESET_HA_INTR, &ha->dpc_flags) ||
5376 test_bit(DPC_RESET_HA_FW_CONTEXT, &ha->dpc_flags))) {
5377 if ((is_qla8022(ha) && ql4xdontresethba) ||
5378 ((is_qla8032(ha) || is_qla8042(ha)) &&
5379 qla4_83xx_idc_dontreset(ha))) {
5380 DEBUG2(printk("scsi%ld: %s: Don't Reset HBA\n",
5381 ha->host_no, __func__));
5382 clear_bit(DPC_RESET_HA, &ha->dpc_flags);
5383 clear_bit(DPC_RESET_HA_INTR, &ha->dpc_flags);
5384 clear_bit(DPC_RESET_HA_FW_CONTEXT, &ha->dpc_flags);
5385 goto dpc_post_reset_ha;
5386 }
5387 if (test_bit(DPC_RESET_HA_FW_CONTEXT, &ha->dpc_flags) ||
5388 test_bit(DPC_RESET_HA, &ha->dpc_flags))
5389 qla4xxx_recover_adapter(ha);
5390
5391 if (test_bit(DPC_RESET_HA_INTR, &ha->dpc_flags)) {
5392 uint8_t wait_time = RESET_INTR_TOV;
5393
5394 while ((readw(&ha->reg->ctrl_status) &
5395 (CSR_SOFT_RESET | CSR_FORCE_SOFT_RESET)) != 0) {
5396 if (--wait_time == 0)
5397 break;
5398 msleep(1000);
5399 }
5400 if (wait_time == 0)
5401 DEBUG2(printk("scsi%ld: %s: SR|FSR "
5402 "bit not cleared-- resetting\n",
5403 ha->host_no, __func__));
5404 qla4xxx_abort_active_cmds(ha, DID_RESET << 16);
5405 if (ql4xxx_lock_drvr_wait(ha) == QLA_SUCCESS) {
5406 qla4xxx_process_aen(ha, FLUSH_DDB_CHANGED_AENS);
5407 status = qla4xxx_recover_adapter(ha);
5408 }
5409 clear_bit(DPC_RESET_HA_INTR, &ha->dpc_flags);
5410 if (status == QLA_SUCCESS)
5411 ha->isp_ops->enable_intrs(ha);
5412 }
5413 }
5414
5415dpc_post_reset_ha:
5416
5417 if (test_and_clear_bit(DPC_AEN, &ha->dpc_flags))
5418 qla4xxx_process_aen(ha, PROCESS_ALL_AENS);
5419
5420
5421 if (test_and_clear_bit(DPC_GET_DHCP_IP_ADDR, &ha->dpc_flags))
5422 qla4xxx_get_dhcp_ip_address(ha);
5423
5424
5425 if (adapter_up(ha) &&
5426 test_and_clear_bit(DPC_RELOGIN_DEVICE, &ha->dpc_flags)) {
5427 iscsi_host_for_each_session(ha->host, qla4xxx_dpc_relogin);
5428 }
5429
5430
5431 if (!test_bit(AF_LOOPBACK, &ha->flags) &&
5432 test_and_clear_bit(DPC_LINK_CHANGED, &ha->dpc_flags)) {
5433 if (!test_bit(AF_LINK_UP, &ha->flags)) {
5434
5435 qla4xxx_mark_all_devices_missing(ha);
5436 } else {
5437
5438
5439
5440
5441
5442
5443 if (test_and_clear_bit(AF_BUILD_DDB_LIST, &ha->flags)) {
5444 qla4xxx_build_ddb_list(ha, ha->is_reset);
5445 iscsi_host_for_each_session(ha->host,
5446 qla4xxx_login_flash_ddb);
5447 } else
5448 qla4xxx_relogin_all_devices(ha);
5449 }
5450 }
5451 if (test_and_clear_bit(DPC_SYSFS_DDB_EXPORT, &ha->dpc_flags)) {
5452 if (qla4xxx_sysfs_ddb_export(ha))
5453 ql4_printk(KERN_ERR, ha, "%s: Error exporting ddb to sysfs\n",
5454 __func__);
5455 }
5456}
5457
5458
5459
5460
5461
5462static void qla4xxx_free_adapter(struct scsi_qla_host *ha)
5463{
5464 qla4xxx_abort_active_cmds(ha, DID_NO_CONNECT << 16);
5465
5466
5467 ha->isp_ops->disable_intrs(ha);
5468
5469 if (is_qla40XX(ha)) {
5470 writel(set_rmask(CSR_SCSI_PROCESSOR_INTR),
5471 &ha->reg->ctrl_status);
5472 readl(&ha->reg->ctrl_status);
5473 } else if (is_qla8022(ha)) {
5474 writel(0, &ha->qla4_82xx_reg->host_int);
5475 readl(&ha->qla4_82xx_reg->host_int);
5476 } else if (is_qla8032(ha) || is_qla8042(ha)) {
5477 writel(0, &ha->qla4_83xx_reg->risc_intr);
5478 readl(&ha->qla4_83xx_reg->risc_intr);
5479 }
5480
5481
5482 if (ha->timer_active)
5483 qla4xxx_stop_timer(ha);
5484
5485
5486 if (ha->dpc_thread)
5487 destroy_workqueue(ha->dpc_thread);
5488
5489
5490 if (ha->task_wq)
5491 destroy_workqueue(ha->task_wq);
5492
5493
5494 ha->isp_ops->reset_firmware(ha);
5495
5496 if (is_qla80XX(ha)) {
5497 ha->isp_ops->idc_lock(ha);
5498 qla4_8xxx_clear_drv_active(ha);
5499 ha->isp_ops->idc_unlock(ha);
5500 }
5501
5502
5503 qla4xxx_free_irqs(ha);
5504
5505
5506 qla4xxx_mem_free(ha);
5507}
5508
5509int qla4_8xxx_iospace_config(struct scsi_qla_host *ha)
5510{
5511 int status = 0;
5512 unsigned long mem_base, mem_len, db_base, db_len;
5513 struct pci_dev *pdev = ha->pdev;
5514
5515 status = pci_request_regions(pdev, DRIVER_NAME);
5516 if (status) {
5517 printk(KERN_WARNING
5518 "scsi(%ld) Failed to reserve PIO regions (%s) "
5519 "status=%d\n", ha->host_no, pci_name(pdev), status);
5520 goto iospace_error_exit;
5521 }
5522
5523 DEBUG2(printk(KERN_INFO "%s: revision-id=%d\n",
5524 __func__, pdev->revision));
5525 ha->revision_id = pdev->revision;
5526
5527
5528 mem_base = pci_resource_start(pdev, 0);
5529 mem_len = pci_resource_len(pdev, 0);
5530 DEBUG2(printk(KERN_INFO "%s: ioremap from %lx a size of %lx\n",
5531 __func__, mem_base, mem_len));
5532
5533
5534 ha->nx_pcibase = (unsigned long)ioremap(mem_base, mem_len);
5535 if (!ha->nx_pcibase) {
5536 printk(KERN_ERR
5537 "cannot remap MMIO (%s), aborting\n", pci_name(pdev));
5538 pci_release_regions(ha->pdev);
5539 goto iospace_error_exit;
5540 }
5541
5542
5543
5544
5545 if (is_qla8022(ha)) {
5546 ha->qla4_82xx_reg = (struct device_reg_82xx __iomem *)
5547 ((uint8_t *)ha->nx_pcibase + 0xbc000 +
5548 (ha->pdev->devfn << 11));
5549 ha->nx_db_wr_ptr = (ha->pdev->devfn == 4 ? QLA82XX_CAM_RAM_DB1 :
5550 QLA82XX_CAM_RAM_DB2);
5551 } else if (is_qla8032(ha) || is_qla8042(ha)) {
5552 ha->qla4_83xx_reg = (struct device_reg_83xx __iomem *)
5553 ((uint8_t *)ha->nx_pcibase);
5554 }
5555
5556 db_base = pci_resource_start(pdev, 4);
5557 db_len = pci_resource_len(pdev, 4);
5558
5559 return 0;
5560iospace_error_exit:
5561 return -ENOMEM;
5562}
5563
5564
5565
5566
5567
5568
5569
5570
5571int qla4xxx_iospace_config(struct scsi_qla_host *ha)
5572{
5573 unsigned long pio, pio_len, pio_flags;
5574 unsigned long mmio, mmio_len, mmio_flags;
5575
5576 pio = pci_resource_start(ha->pdev, 0);
5577 pio_len = pci_resource_len(ha->pdev, 0);
5578 pio_flags = pci_resource_flags(ha->pdev, 0);
5579 if (pio_flags & IORESOURCE_IO) {
5580 if (pio_len < MIN_IOBASE_LEN) {
5581 ql4_printk(KERN_WARNING, ha,
5582 "Invalid PCI I/O region size\n");
5583 pio = 0;
5584 }
5585 } else {
5586 ql4_printk(KERN_WARNING, ha, "region #0 not a PIO resource\n");
5587 pio = 0;
5588 }
5589
5590
5591 mmio = pci_resource_start(ha->pdev, 1);
5592 mmio_len = pci_resource_len(ha->pdev, 1);
5593 mmio_flags = pci_resource_flags(ha->pdev, 1);
5594
5595 if (!(mmio_flags & IORESOURCE_MEM)) {
5596 ql4_printk(KERN_ERR, ha,
5597 "region #0 not an MMIO resource, aborting\n");
5598
5599 goto iospace_error_exit;
5600 }
5601
5602 if (mmio_len < MIN_IOBASE_LEN) {
5603 ql4_printk(KERN_ERR, ha,
5604 "Invalid PCI mem region size, aborting\n");
5605 goto iospace_error_exit;
5606 }
5607
5608 if (pci_request_regions(ha->pdev, DRIVER_NAME)) {
5609 ql4_printk(KERN_WARNING, ha,
5610 "Failed to reserve PIO/MMIO regions\n");
5611
5612 goto iospace_error_exit;
5613 }
5614
5615 ha->pio_address = pio;
5616 ha->pio_length = pio_len;
5617 ha->reg = ioremap(mmio, MIN_IOBASE_LEN);
5618 if (!ha->reg) {
5619 ql4_printk(KERN_ERR, ha,
5620 "cannot remap MMIO, aborting\n");
5621
5622 goto iospace_error_exit;
5623 }
5624
5625 return 0;
5626
5627iospace_error_exit:
5628 return -ENOMEM;
5629}
5630
5631static struct isp_operations qla4xxx_isp_ops = {
5632 .iospace_config = qla4xxx_iospace_config,
5633 .pci_config = qla4xxx_pci_config,
5634 .disable_intrs = qla4xxx_disable_intrs,
5635 .enable_intrs = qla4xxx_enable_intrs,
5636 .start_firmware = qla4xxx_start_firmware,
5637 .intr_handler = qla4xxx_intr_handler,
5638 .interrupt_service_routine = qla4xxx_interrupt_service_routine,
5639 .reset_chip = qla4xxx_soft_reset,
5640 .reset_firmware = qla4xxx_hw_reset,
5641 .queue_iocb = qla4xxx_queue_iocb,
5642 .complete_iocb = qla4xxx_complete_iocb,
5643 .rd_shdw_req_q_out = qla4xxx_rd_shdw_req_q_out,
5644 .rd_shdw_rsp_q_in = qla4xxx_rd_shdw_rsp_q_in,
5645 .get_sys_info = qla4xxx_get_sys_info,
5646 .queue_mailbox_command = qla4xxx_queue_mbox_cmd,
5647 .process_mailbox_interrupt = qla4xxx_process_mbox_intr,
5648};
5649
5650static struct isp_operations qla4_82xx_isp_ops = {
5651 .iospace_config = qla4_8xxx_iospace_config,
5652 .pci_config = qla4_8xxx_pci_config,
5653 .disable_intrs = qla4_82xx_disable_intrs,
5654 .enable_intrs = qla4_82xx_enable_intrs,
5655 .start_firmware = qla4_8xxx_load_risc,
5656 .restart_firmware = qla4_82xx_try_start_fw,
5657 .intr_handler = qla4_82xx_intr_handler,
5658 .interrupt_service_routine = qla4_82xx_interrupt_service_routine,
5659 .need_reset = qla4_8xxx_need_reset,
5660 .reset_chip = qla4_82xx_isp_reset,
5661 .reset_firmware = qla4_8xxx_stop_firmware,
5662 .queue_iocb = qla4_82xx_queue_iocb,
5663 .complete_iocb = qla4_82xx_complete_iocb,
5664 .rd_shdw_req_q_out = qla4_82xx_rd_shdw_req_q_out,
5665 .rd_shdw_rsp_q_in = qla4_82xx_rd_shdw_rsp_q_in,
5666 .get_sys_info = qla4_8xxx_get_sys_info,
5667 .rd_reg_direct = qla4_82xx_rd_32,
5668 .wr_reg_direct = qla4_82xx_wr_32,
5669 .rd_reg_indirect = qla4_82xx_md_rd_32,
5670 .wr_reg_indirect = qla4_82xx_md_wr_32,
5671 .idc_lock = qla4_82xx_idc_lock,
5672 .idc_unlock = qla4_82xx_idc_unlock,
5673 .rom_lock_recovery = qla4_82xx_rom_lock_recovery,
5674 .queue_mailbox_command = qla4_82xx_queue_mbox_cmd,
5675 .process_mailbox_interrupt = qla4_82xx_process_mbox_intr,
5676};
5677
5678static struct isp_operations qla4_83xx_isp_ops = {
5679 .iospace_config = qla4_8xxx_iospace_config,
5680 .pci_config = qla4_8xxx_pci_config,
5681 .disable_intrs = qla4_83xx_disable_intrs,
5682 .enable_intrs = qla4_83xx_enable_intrs,
5683 .start_firmware = qla4_8xxx_load_risc,
5684 .restart_firmware = qla4_83xx_start_firmware,
5685 .intr_handler = qla4_83xx_intr_handler,
5686 .interrupt_service_routine = qla4_83xx_interrupt_service_routine,
5687 .need_reset = qla4_8xxx_need_reset,
5688 .reset_chip = qla4_83xx_isp_reset,
5689 .reset_firmware = qla4_8xxx_stop_firmware,
5690 .queue_iocb = qla4_83xx_queue_iocb,
5691 .complete_iocb = qla4_83xx_complete_iocb,
5692 .rd_shdw_req_q_out = qla4xxx_rd_shdw_req_q_out,
5693 .rd_shdw_rsp_q_in = qla4xxx_rd_shdw_rsp_q_in,
5694 .get_sys_info = qla4_8xxx_get_sys_info,
5695 .rd_reg_direct = qla4_83xx_rd_reg,
5696 .wr_reg_direct = qla4_83xx_wr_reg,
5697 .rd_reg_indirect = qla4_83xx_rd_reg_indirect,
5698 .wr_reg_indirect = qla4_83xx_wr_reg_indirect,
5699 .idc_lock = qla4_83xx_drv_lock,
5700 .idc_unlock = qla4_83xx_drv_unlock,
5701 .rom_lock_recovery = qla4_83xx_rom_lock_recovery,
5702 .queue_mailbox_command = qla4_83xx_queue_mbox_cmd,
5703 .process_mailbox_interrupt = qla4_83xx_process_mbox_intr,
5704};
5705
5706uint16_t qla4xxx_rd_shdw_req_q_out(struct scsi_qla_host *ha)
5707{
5708 return (uint16_t)le32_to_cpu(ha->shadow_regs->req_q_out);
5709}
5710
5711uint16_t qla4_82xx_rd_shdw_req_q_out(struct scsi_qla_host *ha)
5712{
5713 return (uint16_t)le32_to_cpu(readl(&ha->qla4_82xx_reg->req_q_out));
5714}
5715
5716uint16_t qla4xxx_rd_shdw_rsp_q_in(struct scsi_qla_host *ha)
5717{
5718 return (uint16_t)le32_to_cpu(ha->shadow_regs->rsp_q_in);
5719}
5720
5721uint16_t qla4_82xx_rd_shdw_rsp_q_in(struct scsi_qla_host *ha)
5722{
5723 return (uint16_t)le32_to_cpu(readl(&ha->qla4_82xx_reg->rsp_q_in));
5724}
5725
5726static ssize_t qla4xxx_show_boot_eth_info(void *data, int type, char *buf)
5727{
5728 struct scsi_qla_host *ha = data;
5729 char *str = buf;
5730 int rc;
5731
5732 switch (type) {
5733 case ISCSI_BOOT_ETH_FLAGS:
5734 rc = sprintf(str, "%d\n", SYSFS_FLAG_FW_SEL_BOOT);
5735 break;
5736 case ISCSI_BOOT_ETH_INDEX:
5737 rc = sprintf(str, "0\n");
5738 break;
5739 case ISCSI_BOOT_ETH_MAC:
5740 rc = sysfs_format_mac(str, ha->my_mac,
5741 MAC_ADDR_LEN);
5742 break;
5743 default:
5744 rc = -ENOSYS;
5745 break;
5746 }
5747 return rc;
5748}
5749
5750static umode_t qla4xxx_eth_get_attr_visibility(void *data, int type)
5751{
5752 int rc;
5753
5754 switch (type) {
5755 case ISCSI_BOOT_ETH_FLAGS:
5756 case ISCSI_BOOT_ETH_MAC:
5757 case ISCSI_BOOT_ETH_INDEX:
5758 rc = S_IRUGO;
5759 break;
5760 default:
5761 rc = 0;
5762 break;
5763 }
5764 return rc;
5765}
5766
5767static ssize_t qla4xxx_show_boot_ini_info(void *data, int type, char *buf)
5768{
5769 struct scsi_qla_host *ha = data;
5770 char *str = buf;
5771 int rc;
5772
5773 switch (type) {
5774 case ISCSI_BOOT_INI_INITIATOR_NAME:
5775 rc = sprintf(str, "%s\n", ha->name_string);
5776 break;
5777 default:
5778 rc = -ENOSYS;
5779 break;
5780 }
5781 return rc;
5782}
5783
5784static umode_t qla4xxx_ini_get_attr_visibility(void *data, int type)
5785{
5786 int rc;
5787
5788 switch (type) {
5789 case ISCSI_BOOT_INI_INITIATOR_NAME:
5790 rc = S_IRUGO;
5791 break;
5792 default:
5793 rc = 0;
5794 break;
5795 }
5796 return rc;
5797}
5798
5799static ssize_t
5800qla4xxx_show_boot_tgt_info(struct ql4_boot_session_info *boot_sess, int type,
5801 char *buf)
5802{
5803 struct ql4_conn_info *boot_conn = &boot_sess->conn_list[0];
5804 char *str = buf;
5805 int rc;
5806
5807 switch (type) {
5808 case ISCSI_BOOT_TGT_NAME:
5809 rc = sprintf(buf, "%s\n", (char *)&boot_sess->target_name);
5810 break;
5811 case ISCSI_BOOT_TGT_IP_ADDR:
5812 if (boot_sess->conn_list[0].dest_ipaddr.ip_type == 0x1)
5813 rc = sprintf(buf, "%pI4\n",
5814 &boot_conn->dest_ipaddr.ip_address);
5815 else
5816 rc = sprintf(str, "%pI6\n",
5817 &boot_conn->dest_ipaddr.ip_address);
5818 break;
5819 case ISCSI_BOOT_TGT_PORT:
5820 rc = sprintf(str, "%d\n", boot_conn->dest_port);
5821 break;
5822 case ISCSI_BOOT_TGT_CHAP_NAME:
5823 rc = sprintf(str, "%.*s\n",
5824 boot_conn->chap.target_chap_name_length,
5825 (char *)&boot_conn->chap.target_chap_name);
5826 break;
5827 case ISCSI_BOOT_TGT_CHAP_SECRET:
5828 rc = sprintf(str, "%.*s\n",
5829 boot_conn->chap.target_secret_length,
5830 (char *)&boot_conn->chap.target_secret);
5831 break;
5832 case ISCSI_BOOT_TGT_REV_CHAP_NAME:
5833 rc = sprintf(str, "%.*s\n",
5834 boot_conn->chap.intr_chap_name_length,
5835 (char *)&boot_conn->chap.intr_chap_name);
5836 break;
5837 case ISCSI_BOOT_TGT_REV_CHAP_SECRET:
5838 rc = sprintf(str, "%.*s\n",
5839 boot_conn->chap.intr_secret_length,
5840 (char *)&boot_conn->chap.intr_secret);
5841 break;
5842 case ISCSI_BOOT_TGT_FLAGS:
5843 rc = sprintf(str, "%d\n", SYSFS_FLAG_FW_SEL_BOOT);
5844 break;
5845 case ISCSI_BOOT_TGT_NIC_ASSOC:
5846 rc = sprintf(str, "0\n");
5847 break;
5848 default:
5849 rc = -ENOSYS;
5850 break;
5851 }
5852 return rc;
5853}
5854
5855static ssize_t qla4xxx_show_boot_tgt_pri_info(void *data, int type, char *buf)
5856{
5857 struct scsi_qla_host *ha = data;
5858 struct ql4_boot_session_info *boot_sess = &(ha->boot_tgt.boot_pri_sess);
5859
5860 return qla4xxx_show_boot_tgt_info(boot_sess, type, buf);
5861}
5862
5863static ssize_t qla4xxx_show_boot_tgt_sec_info(void *data, int type, char *buf)
5864{
5865 struct scsi_qla_host *ha = data;
5866 struct ql4_boot_session_info *boot_sess = &(ha->boot_tgt.boot_sec_sess);
5867
5868 return qla4xxx_show_boot_tgt_info(boot_sess, type, buf);
5869}
5870
5871static umode_t qla4xxx_tgt_get_attr_visibility(void *data, int type)
5872{
5873 int rc;
5874
5875 switch (type) {
5876 case ISCSI_BOOT_TGT_NAME:
5877 case ISCSI_BOOT_TGT_IP_ADDR:
5878 case ISCSI_BOOT_TGT_PORT:
5879 case ISCSI_BOOT_TGT_CHAP_NAME:
5880 case ISCSI_BOOT_TGT_CHAP_SECRET:
5881 case ISCSI_BOOT_TGT_REV_CHAP_NAME:
5882 case ISCSI_BOOT_TGT_REV_CHAP_SECRET:
5883 case ISCSI_BOOT_TGT_NIC_ASSOC:
5884 case ISCSI_BOOT_TGT_FLAGS:
5885 rc = S_IRUGO;
5886 break;
5887 default:
5888 rc = 0;
5889 break;
5890 }
5891 return rc;
5892}
5893
5894static void qla4xxx_boot_release(void *data)
5895{
5896 struct scsi_qla_host *ha = data;
5897
5898 scsi_host_put(ha->host);
5899}
5900
5901static int get_fw_boot_info(struct scsi_qla_host *ha, uint16_t ddb_index[])
5902{
5903 dma_addr_t buf_dma;
5904 uint32_t addr, pri_addr, sec_addr;
5905 uint32_t offset;
5906 uint16_t func_num;
5907 uint8_t val;
5908 uint8_t *buf = NULL;
5909 size_t size = 13 * sizeof(uint8_t);
5910 int ret = QLA_SUCCESS;
5911
5912 func_num = PCI_FUNC(ha->pdev->devfn);
5913
5914 ql4_printk(KERN_INFO, ha, "%s: Get FW boot info for 0x%x func %d\n",
5915 __func__, ha->pdev->device, func_num);
5916
5917 if (is_qla40XX(ha)) {
5918 if (func_num == 1) {
5919 addr = NVRAM_PORT0_BOOT_MODE;
5920 pri_addr = NVRAM_PORT0_BOOT_PRI_TGT;
5921 sec_addr = NVRAM_PORT0_BOOT_SEC_TGT;
5922 } else if (func_num == 3) {
5923 addr = NVRAM_PORT1_BOOT_MODE;
5924 pri_addr = NVRAM_PORT1_BOOT_PRI_TGT;
5925 sec_addr = NVRAM_PORT1_BOOT_SEC_TGT;
5926 } else {
5927 ret = QLA_ERROR;
5928 goto exit_boot_info;
5929 }
5930
5931
5932 val = rd_nvram_byte(ha, addr);
5933 if (!(val & 0x07)) {
5934 DEBUG2(ql4_printk(KERN_INFO, ha, "%s: Adapter boot "
5935 "options : 0x%x\n", __func__, val));
5936 ret = QLA_ERROR;
5937 goto exit_boot_info;
5938 }
5939
5940
5941 val = rd_nvram_byte(ha, pri_addr);
5942 if (val & BIT_7)
5943 ddb_index[0] = (val & 0x7f);
5944
5945
5946 val = rd_nvram_byte(ha, sec_addr);
5947 if (val & BIT_7)
5948 ddb_index[1] = (val & 0x7f);
5949
5950 } else if (is_qla80XX(ha)) {
5951 buf = dma_alloc_coherent(&ha->pdev->dev, size,
5952 &buf_dma, GFP_KERNEL);
5953 if (!buf) {
5954 DEBUG2(ql4_printk(KERN_ERR, ha,
5955 "%s: Unable to allocate dma buffer\n",
5956 __func__));
5957 ret = QLA_ERROR;
5958 goto exit_boot_info;
5959 }
5960
5961 if (ha->port_num == 0)
5962 offset = BOOT_PARAM_OFFSET_PORT0;
5963 else if (ha->port_num == 1)
5964 offset = BOOT_PARAM_OFFSET_PORT1;
5965 else {
5966 ret = QLA_ERROR;
5967 goto exit_boot_info_free;
5968 }
5969 addr = FLASH_RAW_ACCESS_ADDR + (ha->hw.flt_iscsi_param * 4) +
5970 offset;
5971 if (qla4xxx_get_flash(ha, buf_dma, addr,
5972 13 * sizeof(uint8_t)) != QLA_SUCCESS) {
5973 DEBUG2(ql4_printk(KERN_ERR, ha, "scsi%ld: %s: Get Flash"
5974 " failed\n", ha->host_no, __func__));
5975 ret = QLA_ERROR;
5976 goto exit_boot_info_free;
5977 }
5978
5979 if (!(buf[1] & 0x07)) {
5980 DEBUG2(ql4_printk(KERN_INFO, ha, "Firmware boot options"
5981 " : 0x%x\n", buf[1]));
5982 ret = QLA_ERROR;
5983 goto exit_boot_info_free;
5984 }
5985
5986
5987 if (buf[2] & BIT_7)
5988 ddb_index[0] = buf[2] & 0x7f;
5989
5990
5991 if (buf[11] & BIT_7)
5992 ddb_index[1] = buf[11] & 0x7f;
5993 } else {
5994 ret = QLA_ERROR;
5995 goto exit_boot_info;
5996 }
5997
5998 DEBUG2(ql4_printk(KERN_INFO, ha, "%s: Primary target ID %d, Secondary"
5999 " target ID %d\n", __func__, ddb_index[0],
6000 ddb_index[1]));
6001
6002exit_boot_info_free:
6003 dma_free_coherent(&ha->pdev->dev, size, buf, buf_dma);
6004exit_boot_info:
6005 ha->pri_ddb_idx = ddb_index[0];
6006 ha->sec_ddb_idx = ddb_index[1];
6007 return ret;
6008}
6009
6010
6011
6012
6013
6014
6015
6016
6017
6018
6019
6020
6021static int qla4xxx_get_bidi_chap(struct scsi_qla_host *ha, char *username,
6022 char *password)
6023{
6024 int i, ret = -EINVAL;
6025 int max_chap_entries = 0;
6026 struct ql4_chap_table *chap_table;
6027
6028 if (is_qla80XX(ha))
6029 max_chap_entries = (ha->hw.flt_chap_size / 2) /
6030 sizeof(struct ql4_chap_table);
6031 else
6032 max_chap_entries = MAX_CHAP_ENTRIES_40XX;
6033
6034 if (!ha->chap_list) {
6035 ql4_printk(KERN_ERR, ha, "Do not have CHAP table cache\n");
6036 return ret;
6037 }
6038
6039 mutex_lock(&ha->chap_sem);
6040 for (i = 0; i < max_chap_entries; i++) {
6041 chap_table = (struct ql4_chap_table *)ha->chap_list + i;
6042 if (chap_table->cookie !=
6043 __constant_cpu_to_le16(CHAP_VALID_COOKIE)) {
6044 continue;
6045 }
6046
6047 if (chap_table->flags & BIT_7)
6048 continue;
6049
6050 if (!(chap_table->flags & BIT_6))
6051 continue;
6052
6053 strlcpy(password, chap_table->secret, QL4_CHAP_MAX_SECRET_LEN);
6054 strlcpy(username, chap_table->name, QL4_CHAP_MAX_NAME_LEN);
6055 ret = 0;
6056 break;
6057 }
6058 mutex_unlock(&ha->chap_sem);
6059
6060 return ret;
6061}
6062
6063
6064static int qla4xxx_get_boot_target(struct scsi_qla_host *ha,
6065 struct ql4_boot_session_info *boot_sess,
6066 uint16_t ddb_index)
6067{
6068 struct ql4_conn_info *boot_conn = &boot_sess->conn_list[0];
6069 struct dev_db_entry *fw_ddb_entry;
6070 dma_addr_t fw_ddb_entry_dma;
6071 uint16_t idx;
6072 uint16_t options;
6073 int ret = QLA_SUCCESS;
6074
6075 fw_ddb_entry = dma_alloc_coherent(&ha->pdev->dev, sizeof(*fw_ddb_entry),
6076 &fw_ddb_entry_dma, GFP_KERNEL);
6077 if (!fw_ddb_entry) {
6078 DEBUG2(ql4_printk(KERN_ERR, ha,
6079 "%s: Unable to allocate dma buffer.\n",
6080 __func__));
6081 ret = QLA_ERROR;
6082 return ret;
6083 }
6084
6085 if (qla4xxx_bootdb_by_index(ha, fw_ddb_entry,
6086 fw_ddb_entry_dma, ddb_index)) {
6087 DEBUG2(ql4_printk(KERN_INFO, ha, "%s: No Flash DDB found at "
6088 "index [%d]\n", __func__, ddb_index));
6089 ret = QLA_ERROR;
6090 goto exit_boot_target;
6091 }
6092
6093
6094 memcpy(boot_sess->target_name, fw_ddb_entry->iscsi_name,
6095 min(sizeof(boot_sess->target_name),
6096 sizeof(fw_ddb_entry->iscsi_name)));
6097
6098 options = le16_to_cpu(fw_ddb_entry->options);
6099 if (options & DDB_OPT_IPV6_DEVICE) {
6100 memcpy(&boot_conn->dest_ipaddr.ip_address,
6101 &fw_ddb_entry->ip_addr[0], IPv6_ADDR_LEN);
6102 } else {
6103 boot_conn->dest_ipaddr.ip_type = 0x1;
6104 memcpy(&boot_conn->dest_ipaddr.ip_address,
6105 &fw_ddb_entry->ip_addr[0], IP_ADDR_LEN);
6106 }
6107
6108 boot_conn->dest_port = le16_to_cpu(fw_ddb_entry->port);
6109
6110
6111 idx = __le16_to_cpu(fw_ddb_entry->chap_tbl_idx);
6112
6113 if (BIT_7 & le16_to_cpu(fw_ddb_entry->iscsi_options)) {
6114
6115 DEBUG2(ql4_printk(KERN_INFO, ha, "Setting chap\n"));
6116
6117 ret = qla4xxx_get_chap(ha, (char *)&boot_conn->chap.
6118 target_chap_name,
6119 (char *)&boot_conn->chap.target_secret,
6120 idx);
6121 if (ret) {
6122 ql4_printk(KERN_ERR, ha, "Failed to set chap\n");
6123 ret = QLA_ERROR;
6124 goto exit_boot_target;
6125 }
6126
6127 boot_conn->chap.target_chap_name_length = QL4_CHAP_MAX_NAME_LEN;
6128 boot_conn->chap.target_secret_length = QL4_CHAP_MAX_SECRET_LEN;
6129 }
6130
6131 if (BIT_4 & le16_to_cpu(fw_ddb_entry->iscsi_options)) {
6132
6133 DEBUG2(ql4_printk(KERN_INFO, ha, "Setting BIDI chap\n"));
6134
6135 ret = qla4xxx_get_bidi_chap(ha,
6136 (char *)&boot_conn->chap.intr_chap_name,
6137 (char *)&boot_conn->chap.intr_secret);
6138
6139 if (ret) {
6140 ql4_printk(KERN_ERR, ha, "Failed to set BIDI chap\n");
6141 ret = QLA_ERROR;
6142 goto exit_boot_target;
6143 }
6144
6145 boot_conn->chap.intr_chap_name_length = QL4_CHAP_MAX_NAME_LEN;
6146 boot_conn->chap.intr_secret_length = QL4_CHAP_MAX_SECRET_LEN;
6147 }
6148
6149exit_boot_target:
6150 dma_free_coherent(&ha->pdev->dev, sizeof(*fw_ddb_entry),
6151 fw_ddb_entry, fw_ddb_entry_dma);
6152 return ret;
6153}
6154
6155static int qla4xxx_get_boot_info(struct scsi_qla_host *ha)
6156{
6157 uint16_t ddb_index[2];
6158 int ret = QLA_ERROR;
6159 int rval;
6160
6161 memset(ddb_index, 0, sizeof(ddb_index));
6162 ddb_index[0] = 0xffff;
6163 ddb_index[1] = 0xffff;
6164 ret = get_fw_boot_info(ha, ddb_index);
6165 if (ret != QLA_SUCCESS) {
6166 DEBUG2(ql4_printk(KERN_INFO, ha,
6167 "%s: No boot target configured.\n", __func__));
6168 return ret;
6169 }
6170
6171 if (ql4xdisablesysfsboot)
6172 return QLA_SUCCESS;
6173
6174 if (ddb_index[0] == 0xffff)
6175 goto sec_target;
6176
6177 rval = qla4xxx_get_boot_target(ha, &(ha->boot_tgt.boot_pri_sess),
6178 ddb_index[0]);
6179 if (rval != QLA_SUCCESS) {
6180 DEBUG2(ql4_printk(KERN_INFO, ha, "%s: Primary boot target not "
6181 "configured\n", __func__));
6182 } else
6183 ret = QLA_SUCCESS;
6184
6185sec_target:
6186 if (ddb_index[1] == 0xffff)
6187 goto exit_get_boot_info;
6188
6189 rval = qla4xxx_get_boot_target(ha, &(ha->boot_tgt.boot_sec_sess),
6190 ddb_index[1]);
6191 if (rval != QLA_SUCCESS) {
6192 DEBUG2(ql4_printk(KERN_INFO, ha, "%s: Secondary boot target not"
6193 " configured\n", __func__));
6194 } else
6195 ret = QLA_SUCCESS;
6196
6197exit_get_boot_info:
6198 return ret;
6199}
6200
6201static int qla4xxx_setup_boot_info(struct scsi_qla_host *ha)
6202{
6203 struct iscsi_boot_kobj *boot_kobj;
6204
6205 if (qla4xxx_get_boot_info(ha) != QLA_SUCCESS)
6206 return QLA_ERROR;
6207
6208 if (ql4xdisablesysfsboot) {
6209 ql4_printk(KERN_INFO, ha,
6210 "%s: syfsboot disabled - driver will trigger login "
6211 "and publish session for discovery .\n", __func__);
6212 return QLA_SUCCESS;
6213 }
6214
6215
6216 ha->boot_kset = iscsi_boot_create_host_kset(ha->host->host_no);
6217 if (!ha->boot_kset)
6218 goto kset_free;
6219
6220 if (!scsi_host_get(ha->host))
6221 goto kset_free;
6222 boot_kobj = iscsi_boot_create_target(ha->boot_kset, 0, ha,
6223 qla4xxx_show_boot_tgt_pri_info,
6224 qla4xxx_tgt_get_attr_visibility,
6225 qla4xxx_boot_release);
6226 if (!boot_kobj)
6227 goto put_host;
6228
6229 if (!scsi_host_get(ha->host))
6230 goto kset_free;
6231 boot_kobj = iscsi_boot_create_target(ha->boot_kset, 1, ha,
6232 qla4xxx_show_boot_tgt_sec_info,
6233 qla4xxx_tgt_get_attr_visibility,
6234 qla4xxx_boot_release);
6235 if (!boot_kobj)
6236 goto put_host;
6237
6238 if (!scsi_host_get(ha->host))
6239 goto kset_free;
6240 boot_kobj = iscsi_boot_create_initiator(ha->boot_kset, 0, ha,
6241 qla4xxx_show_boot_ini_info,
6242 qla4xxx_ini_get_attr_visibility,
6243 qla4xxx_boot_release);
6244 if (!boot_kobj)
6245 goto put_host;
6246
6247 if (!scsi_host_get(ha->host))
6248 goto kset_free;
6249 boot_kobj = iscsi_boot_create_ethernet(ha->boot_kset, 0, ha,
6250 qla4xxx_show_boot_eth_info,
6251 qla4xxx_eth_get_attr_visibility,
6252 qla4xxx_boot_release);
6253 if (!boot_kobj)
6254 goto put_host;
6255
6256 return QLA_SUCCESS;
6257
6258put_host:
6259 scsi_host_put(ha->host);
6260kset_free:
6261 iscsi_boot_destroy_kset(ha->boot_kset);
6262 return -ENOMEM;
6263}
6264
6265
6266static void qla4xxx_get_param_ddb(struct ddb_entry *ddb_entry,
6267 struct ql4_tuple_ddb *tddb)
6268{
6269 struct scsi_qla_host *ha;
6270 struct iscsi_cls_session *cls_sess;
6271 struct iscsi_cls_conn *cls_conn;
6272 struct iscsi_session *sess;
6273 struct iscsi_conn *conn;
6274
6275 DEBUG2(printk(KERN_INFO "Func: %s\n", __func__));
6276 ha = ddb_entry->ha;
6277 cls_sess = ddb_entry->sess;
6278 sess = cls_sess->dd_data;
6279 cls_conn = ddb_entry->conn;
6280 conn = cls_conn->dd_data;
6281
6282 tddb->tpgt = sess->tpgt;
6283 tddb->port = conn->persistent_port;
6284 strlcpy(tddb->iscsi_name, sess->targetname, ISCSI_NAME_SIZE);
6285 strlcpy(tddb->ip_addr, conn->persistent_address, DDB_IPADDR_LEN);
6286}
6287
6288static void qla4xxx_convert_param_ddb(struct dev_db_entry *fw_ddb_entry,
6289 struct ql4_tuple_ddb *tddb,
6290 uint8_t *flash_isid)
6291{
6292 uint16_t options = 0;
6293
6294 tddb->tpgt = le32_to_cpu(fw_ddb_entry->tgt_portal_grp);
6295 memcpy(&tddb->iscsi_name[0], &fw_ddb_entry->iscsi_name[0],
6296 min(sizeof(tddb->iscsi_name), sizeof(fw_ddb_entry->iscsi_name)));
6297
6298 options = le16_to_cpu(fw_ddb_entry->options);
6299 if (options & DDB_OPT_IPV6_DEVICE)
6300 sprintf(tddb->ip_addr, "%pI6", fw_ddb_entry->ip_addr);
6301 else
6302 sprintf(tddb->ip_addr, "%pI4", fw_ddb_entry->ip_addr);
6303
6304 tddb->port = le16_to_cpu(fw_ddb_entry->port);
6305
6306 if (flash_isid == NULL)
6307 memcpy(&tddb->isid[0], &fw_ddb_entry->isid[0],
6308 sizeof(tddb->isid));
6309 else
6310 memcpy(&tddb->isid[0], &flash_isid[0], sizeof(tddb->isid));
6311}
6312
6313static int qla4xxx_compare_tuple_ddb(struct scsi_qla_host *ha,
6314 struct ql4_tuple_ddb *old_tddb,
6315 struct ql4_tuple_ddb *new_tddb,
6316 uint8_t is_isid_compare)
6317{
6318 if (strcmp(old_tddb->iscsi_name, new_tddb->iscsi_name))
6319 return QLA_ERROR;
6320
6321 if (strcmp(old_tddb->ip_addr, new_tddb->ip_addr))
6322 return QLA_ERROR;
6323
6324 if (old_tddb->port != new_tddb->port)
6325 return QLA_ERROR;
6326
6327
6328
6329
6330
6331
6332
6333 if (is_isid_compare) {
6334 DEBUG2(ql4_printk(KERN_INFO, ha, "%s: old ISID [%02x%02x%02x"
6335 "%02x%02x%02x] New ISID [%02x%02x%02x%02x%02x%02x]\n",
6336 __func__, old_tddb->isid[5], old_tddb->isid[4],
6337 old_tddb->isid[3], old_tddb->isid[2], old_tddb->isid[1],
6338 old_tddb->isid[0], new_tddb->isid[5], new_tddb->isid[4],
6339 new_tddb->isid[3], new_tddb->isid[2], new_tddb->isid[1],
6340 new_tddb->isid[0]));
6341
6342 if (memcmp(&old_tddb->isid[0], &new_tddb->isid[0],
6343 sizeof(old_tddb->isid)))
6344 return QLA_ERROR;
6345 }
6346
6347 DEBUG2(ql4_printk(KERN_INFO, ha,
6348 "Match Found, fw[%d,%d,%s,%s], [%d,%d,%s,%s]",
6349 old_tddb->port, old_tddb->tpgt, old_tddb->ip_addr,
6350 old_tddb->iscsi_name, new_tddb->port, new_tddb->tpgt,
6351 new_tddb->ip_addr, new_tddb->iscsi_name));
6352
6353 return QLA_SUCCESS;
6354}
6355
6356static int qla4xxx_is_session_exists(struct scsi_qla_host *ha,
6357 struct dev_db_entry *fw_ddb_entry,
6358 uint32_t *index)
6359{
6360 struct ddb_entry *ddb_entry;
6361 struct ql4_tuple_ddb *fw_tddb = NULL;
6362 struct ql4_tuple_ddb *tmp_tddb = NULL;
6363 int idx;
6364 int ret = QLA_ERROR;
6365
6366 fw_tddb = vzalloc(sizeof(*fw_tddb));
6367 if (!fw_tddb) {
6368 DEBUG2(ql4_printk(KERN_WARNING, ha,
6369 "Memory Allocation failed.\n"));
6370 ret = QLA_SUCCESS;
6371 goto exit_check;
6372 }
6373
6374 tmp_tddb = vzalloc(sizeof(*tmp_tddb));
6375 if (!tmp_tddb) {
6376 DEBUG2(ql4_printk(KERN_WARNING, ha,
6377 "Memory Allocation failed.\n"));
6378 ret = QLA_SUCCESS;
6379 goto exit_check;
6380 }
6381
6382 qla4xxx_convert_param_ddb(fw_ddb_entry, fw_tddb, NULL);
6383
6384 for (idx = 0; idx < MAX_DDB_ENTRIES; idx++) {
6385 ddb_entry = qla4xxx_lookup_ddb_by_fw_index(ha, idx);
6386 if (ddb_entry == NULL)
6387 continue;
6388
6389 qla4xxx_get_param_ddb(ddb_entry, tmp_tddb);
6390 if (!qla4xxx_compare_tuple_ddb(ha, fw_tddb, tmp_tddb, false)) {
6391 ret = QLA_SUCCESS;
6392 if (index != NULL)
6393 *index = idx;
6394 goto exit_check;
6395 }
6396 }
6397
6398exit_check:
6399 if (fw_tddb)
6400 vfree(fw_tddb);
6401 if (tmp_tddb)
6402 vfree(tmp_tddb);
6403 return ret;
6404}
6405
6406
6407
6408
6409
6410
6411
6412
6413
6414static int qla4xxx_check_existing_isid(struct list_head *list_nt, uint8_t *isid)
6415{
6416 struct qla_ddb_index *nt_ddb_idx, *nt_ddb_idx_tmp;
6417 struct dev_db_entry *fw_ddb_entry;
6418
6419 list_for_each_entry_safe(nt_ddb_idx, nt_ddb_idx_tmp, list_nt, list) {
6420 fw_ddb_entry = &nt_ddb_idx->fw_ddb;
6421
6422 if (memcmp(&fw_ddb_entry->isid[0], &isid[0],
6423 sizeof(nt_ddb_idx->fw_ddb.isid)) == 0) {
6424 return QLA_SUCCESS;
6425 }
6426 }
6427 return QLA_ERROR;
6428}
6429
6430
6431
6432
6433
6434
6435
6436
6437
6438
6439
6440static int qla4xxx_update_isid(struct scsi_qla_host *ha,
6441 struct list_head *list_nt,
6442 struct dev_db_entry *fw_ddb_entry)
6443{
6444 uint8_t base_value, i;
6445
6446 base_value = fw_ddb_entry->isid[1] & 0x1f;
6447 for (i = 0; i < 8; i++) {
6448 fw_ddb_entry->isid[1] = (base_value | (i << 5));
6449 if (qla4xxx_check_existing_isid(list_nt, fw_ddb_entry->isid))
6450 break;
6451 }
6452
6453 if (!qla4xxx_check_existing_isid(list_nt, fw_ddb_entry->isid))
6454 return QLA_ERROR;
6455
6456 return QLA_SUCCESS;
6457}
6458
6459
6460
6461
6462
6463
6464
6465
6466
6467
6468static int qla4xxx_should_update_isid(struct scsi_qla_host *ha,
6469 struct ql4_tuple_ddb *old_tddb,
6470 struct ql4_tuple_ddb *new_tddb)
6471{
6472 if (strcmp(old_tddb->ip_addr, new_tddb->ip_addr) == 0) {
6473
6474 if (old_tddb->port == new_tddb->port)
6475 return QLA_ERROR;
6476 }
6477
6478 if (strcmp(old_tddb->iscsi_name, new_tddb->iscsi_name))
6479
6480 return QLA_ERROR;
6481
6482 if (memcmp(&old_tddb->isid[0], &new_tddb->isid[0],
6483 sizeof(old_tddb->isid)))
6484
6485 return QLA_ERROR;
6486
6487 return QLA_SUCCESS;
6488}
6489
6490
6491
6492
6493
6494
6495
6496
6497
6498
6499
6500
6501
6502static int qla4xxx_is_flash_ddb_exists(struct scsi_qla_host *ha,
6503 struct list_head *list_nt,
6504 struct dev_db_entry *fw_ddb_entry)
6505{
6506 struct qla_ddb_index *nt_ddb_idx, *nt_ddb_idx_tmp;
6507 struct ql4_tuple_ddb *fw_tddb = NULL;
6508 struct ql4_tuple_ddb *tmp_tddb = NULL;
6509 int rval, ret = QLA_ERROR;
6510
6511 fw_tddb = vzalloc(sizeof(*fw_tddb));
6512 if (!fw_tddb) {
6513 DEBUG2(ql4_printk(KERN_WARNING, ha,
6514 "Memory Allocation failed.\n"));
6515 ret = QLA_SUCCESS;
6516 goto exit_check;
6517 }
6518
6519 tmp_tddb = vzalloc(sizeof(*tmp_tddb));
6520 if (!tmp_tddb) {
6521 DEBUG2(ql4_printk(KERN_WARNING, ha,
6522 "Memory Allocation failed.\n"));
6523 ret = QLA_SUCCESS;
6524 goto exit_check;
6525 }
6526
6527 qla4xxx_convert_param_ddb(fw_ddb_entry, fw_tddb, NULL);
6528
6529 list_for_each_entry_safe(nt_ddb_idx, nt_ddb_idx_tmp, list_nt, list) {
6530 qla4xxx_convert_param_ddb(&nt_ddb_idx->fw_ddb, tmp_tddb,
6531 nt_ddb_idx->flash_isid);
6532 ret = qla4xxx_compare_tuple_ddb(ha, fw_tddb, tmp_tddb, true);
6533
6534 if (ret == QLA_SUCCESS)
6535 goto exit_check;
6536 }
6537
6538 list_for_each_entry_safe(nt_ddb_idx, nt_ddb_idx_tmp, list_nt, list) {
6539 qla4xxx_convert_param_ddb(&nt_ddb_idx->fw_ddb, tmp_tddb, NULL);
6540
6541 ret = qla4xxx_should_update_isid(ha, tmp_tddb, fw_tddb);
6542 if (ret == QLA_SUCCESS) {
6543 rval = qla4xxx_update_isid(ha, list_nt, fw_ddb_entry);
6544 if (rval == QLA_SUCCESS)
6545 ret = QLA_ERROR;
6546 else
6547 ret = QLA_SUCCESS;
6548
6549 goto exit_check;
6550 }
6551 }
6552
6553exit_check:
6554 if (fw_tddb)
6555 vfree(fw_tddb);
6556 if (tmp_tddb)
6557 vfree(tmp_tddb);
6558 return ret;
6559}
6560
6561static void qla4xxx_free_ddb_list(struct list_head *list_ddb)
6562{
6563 struct qla_ddb_index *ddb_idx, *ddb_idx_tmp;
6564
6565 list_for_each_entry_safe(ddb_idx, ddb_idx_tmp, list_ddb, list) {
6566 list_del_init(&ddb_idx->list);
6567 vfree(ddb_idx);
6568 }
6569}
6570
6571static struct iscsi_endpoint *qla4xxx_get_ep_fwdb(struct scsi_qla_host *ha,
6572 struct dev_db_entry *fw_ddb_entry)
6573{
6574 struct iscsi_endpoint *ep;
6575 struct sockaddr_in *addr;
6576 struct sockaddr_in6 *addr6;
6577 struct sockaddr *t_addr;
6578 struct sockaddr_storage *dst_addr;
6579 char *ip;
6580
6581
6582 dst_addr = vmalloc(sizeof(*dst_addr));
6583 if (!dst_addr)
6584 return NULL;
6585
6586 if (fw_ddb_entry->options & DDB_OPT_IPV6_DEVICE) {
6587 t_addr = (struct sockaddr *)dst_addr;
6588 t_addr->sa_family = AF_INET6;
6589 addr6 = (struct sockaddr_in6 *)dst_addr;
6590 ip = (char *)&addr6->sin6_addr;
6591 memcpy(ip, fw_ddb_entry->ip_addr, IPv6_ADDR_LEN);
6592 addr6->sin6_port = htons(le16_to_cpu(fw_ddb_entry->port));
6593
6594 } else {
6595 t_addr = (struct sockaddr *)dst_addr;
6596 t_addr->sa_family = AF_INET;
6597 addr = (struct sockaddr_in *)dst_addr;
6598 ip = (char *)&addr->sin_addr;
6599 memcpy(ip, fw_ddb_entry->ip_addr, IP_ADDR_LEN);
6600 addr->sin_port = htons(le16_to_cpu(fw_ddb_entry->port));
6601 }
6602
6603 ep = qla4xxx_ep_connect(ha->host, (struct sockaddr *)dst_addr, 0);
6604 vfree(dst_addr);
6605 return ep;
6606}
6607
6608static int qla4xxx_verify_boot_idx(struct scsi_qla_host *ha, uint16_t idx)
6609{
6610 if (ql4xdisablesysfsboot)
6611 return QLA_SUCCESS;
6612 if (idx == ha->pri_ddb_idx || idx == ha->sec_ddb_idx)
6613 return QLA_ERROR;
6614 return QLA_SUCCESS;
6615}
6616
6617static void qla4xxx_setup_flash_ddb_entry(struct scsi_qla_host *ha,
6618 struct ddb_entry *ddb_entry,
6619 uint16_t idx)
6620{
6621 uint16_t def_timeout;
6622
6623 ddb_entry->ddb_type = FLASH_DDB;
6624 ddb_entry->fw_ddb_index = INVALID_ENTRY;
6625 ddb_entry->fw_ddb_device_state = DDB_DS_NO_CONNECTION_ACTIVE;
6626 ddb_entry->ha = ha;
6627 ddb_entry->unblock_sess = qla4xxx_unblock_flash_ddb;
6628 ddb_entry->ddb_change = qla4xxx_flash_ddb_change;
6629 ddb_entry->chap_tbl_idx = INVALID_ENTRY;
6630
6631 atomic_set(&ddb_entry->retry_relogin_timer, INVALID_ENTRY);
6632 atomic_set(&ddb_entry->relogin_timer, 0);
6633 atomic_set(&ddb_entry->relogin_retry_count, 0);
6634 def_timeout = le16_to_cpu(ddb_entry->fw_ddb_entry.def_timeout);
6635 ddb_entry->default_relogin_timeout =
6636 (def_timeout > LOGIN_TOV) && (def_timeout < LOGIN_TOV * 10) ?
6637 def_timeout : LOGIN_TOV;
6638 ddb_entry->default_time2wait =
6639 le16_to_cpu(ddb_entry->fw_ddb_entry.iscsi_def_time2wait);
6640
6641 if (ql4xdisablesysfsboot &&
6642 (idx == ha->pri_ddb_idx || idx == ha->sec_ddb_idx))
6643 set_bit(DF_BOOT_TGT, &ddb_entry->flags);
6644}
6645
6646static void qla4xxx_wait_for_ip_configuration(struct scsi_qla_host *ha)
6647{
6648 uint32_t idx = 0;
6649 uint32_t ip_idx[IP_ADDR_COUNT] = {0, 1, 2, 3};
6650 uint32_t sts[MBOX_REG_COUNT];
6651 uint32_t ip_state;
6652 unsigned long wtime;
6653 int ret;
6654
6655 wtime = jiffies + (HZ * IP_CONFIG_TOV);
6656 do {
6657 for (idx = 0; idx < IP_ADDR_COUNT; idx++) {
6658 if (ip_idx[idx] == -1)
6659 continue;
6660
6661 ret = qla4xxx_get_ip_state(ha, 0, ip_idx[idx], sts);
6662
6663 if (ret == QLA_ERROR) {
6664 ip_idx[idx] = -1;
6665 continue;
6666 }
6667
6668 ip_state = (sts[1] & IP_STATE_MASK) >> IP_STATE_SHIFT;
6669
6670 DEBUG2(ql4_printk(KERN_INFO, ha,
6671 "Waiting for IP state for idx = %d, state = 0x%x\n",
6672 ip_idx[idx], ip_state));
6673 if (ip_state == IP_ADDRSTATE_UNCONFIGURED ||
6674 ip_state == IP_ADDRSTATE_INVALID ||
6675 ip_state == IP_ADDRSTATE_PREFERRED ||
6676 ip_state == IP_ADDRSTATE_DEPRICATED ||
6677 ip_state == IP_ADDRSTATE_DISABLING)
6678 ip_idx[idx] = -1;
6679 }
6680
6681
6682 if ((ip_idx[0] == -1) &&
6683 (ip_idx[1] == -1) &&
6684 (ip_idx[2] == -1) &&
6685 (ip_idx[3] == -1))
6686 break;
6687 schedule_timeout_uninterruptible(HZ);
6688 } while (time_after(wtime, jiffies));
6689}
6690
6691static int qla4xxx_cmp_fw_stentry(struct dev_db_entry *fw_ddb_entry,
6692 struct dev_db_entry *flash_ddb_entry)
6693{
6694 uint16_t options = 0;
6695 size_t ip_len = IP_ADDR_LEN;
6696
6697 options = le16_to_cpu(fw_ddb_entry->options);
6698 if (options & DDB_OPT_IPV6_DEVICE)
6699 ip_len = IPv6_ADDR_LEN;
6700
6701 if (memcmp(fw_ddb_entry->ip_addr, flash_ddb_entry->ip_addr, ip_len))
6702 return QLA_ERROR;
6703
6704 if (memcmp(&fw_ddb_entry->isid[0], &flash_ddb_entry->isid[0],
6705 sizeof(fw_ddb_entry->isid)))
6706 return QLA_ERROR;
6707
6708 if (memcmp(&fw_ddb_entry->port, &flash_ddb_entry->port,
6709 sizeof(fw_ddb_entry->port)))
6710 return QLA_ERROR;
6711
6712 return QLA_SUCCESS;
6713}
6714
6715static int qla4xxx_find_flash_st_idx(struct scsi_qla_host *ha,
6716 struct dev_db_entry *fw_ddb_entry,
6717 uint32_t fw_idx, uint32_t *flash_index)
6718{
6719 struct dev_db_entry *flash_ddb_entry;
6720 dma_addr_t flash_ddb_entry_dma;
6721 uint32_t idx = 0;
6722 int max_ddbs;
6723 int ret = QLA_ERROR, status;
6724
6725 max_ddbs = is_qla40XX(ha) ? MAX_DEV_DB_ENTRIES_40XX :
6726 MAX_DEV_DB_ENTRIES;
6727
6728 flash_ddb_entry = dma_pool_alloc(ha->fw_ddb_dma_pool, GFP_KERNEL,
6729 &flash_ddb_entry_dma);
6730 if (flash_ddb_entry == NULL || fw_ddb_entry == NULL) {
6731 ql4_printk(KERN_ERR, ha, "Out of memory\n");
6732 goto exit_find_st_idx;
6733 }
6734
6735 status = qla4xxx_flashdb_by_index(ha, flash_ddb_entry,
6736 flash_ddb_entry_dma, fw_idx);
6737 if (status == QLA_SUCCESS) {
6738 status = qla4xxx_cmp_fw_stentry(fw_ddb_entry, flash_ddb_entry);
6739 if (status == QLA_SUCCESS) {
6740 *flash_index = fw_idx;
6741 ret = QLA_SUCCESS;
6742 goto exit_find_st_idx;
6743 }
6744 }
6745
6746 for (idx = 0; idx < max_ddbs; idx++) {
6747 status = qla4xxx_flashdb_by_index(ha, flash_ddb_entry,
6748 flash_ddb_entry_dma, idx);
6749 if (status == QLA_ERROR)
6750 continue;
6751
6752 status = qla4xxx_cmp_fw_stentry(fw_ddb_entry, flash_ddb_entry);
6753 if (status == QLA_SUCCESS) {
6754 *flash_index = idx;
6755 ret = QLA_SUCCESS;
6756 goto exit_find_st_idx;
6757 }
6758 }
6759
6760 if (idx == max_ddbs)
6761 ql4_printk(KERN_ERR, ha, "Failed to find ST [%d] in flash\n",
6762 fw_idx);
6763
6764exit_find_st_idx:
6765 if (flash_ddb_entry)
6766 dma_pool_free(ha->fw_ddb_dma_pool, flash_ddb_entry,
6767 flash_ddb_entry_dma);
6768
6769 return ret;
6770}
6771
6772static void qla4xxx_build_st_list(struct scsi_qla_host *ha,
6773 struct list_head *list_st)
6774{
6775 struct qla_ddb_index *st_ddb_idx;
6776 int max_ddbs;
6777 int fw_idx_size;
6778 struct dev_db_entry *fw_ddb_entry;
6779 dma_addr_t fw_ddb_dma;
6780 int ret;
6781 uint32_t idx = 0, next_idx = 0;
6782 uint32_t state = 0, conn_err = 0;
6783 uint32_t flash_index = -1;
6784 uint16_t conn_id = 0;
6785
6786 fw_ddb_entry = dma_pool_alloc(ha->fw_ddb_dma_pool, GFP_KERNEL,
6787 &fw_ddb_dma);
6788 if (fw_ddb_entry == NULL) {
6789 DEBUG2(ql4_printk(KERN_ERR, ha, "Out of memory\n"));
6790 goto exit_st_list;
6791 }
6792
6793 max_ddbs = is_qla40XX(ha) ? MAX_DEV_DB_ENTRIES_40XX :
6794 MAX_DEV_DB_ENTRIES;
6795 fw_idx_size = sizeof(struct qla_ddb_index);
6796
6797 for (idx = 0; idx < max_ddbs; idx = next_idx) {
6798 ret = qla4xxx_get_fwddb_entry(ha, idx, fw_ddb_entry, fw_ddb_dma,
6799 NULL, &next_idx, &state,
6800 &conn_err, NULL, &conn_id);
6801 if (ret == QLA_ERROR)
6802 break;
6803
6804
6805 if (state == DDB_DS_UNASSIGNED)
6806 goto continue_next_st;
6807
6808
6809 if (strlen((char *) fw_ddb_entry->iscsi_name) != 0)
6810 goto continue_next_st;
6811
6812 st_ddb_idx = vzalloc(fw_idx_size);
6813 if (!st_ddb_idx)
6814 break;
6815
6816 ret = qla4xxx_find_flash_st_idx(ha, fw_ddb_entry, idx,
6817 &flash_index);
6818 if (ret == QLA_ERROR) {
6819 ql4_printk(KERN_ERR, ha,
6820 "No flash entry for ST at idx [%d]\n", idx);
6821 st_ddb_idx->flash_ddb_idx = idx;
6822 } else {
6823 ql4_printk(KERN_INFO, ha,
6824 "ST at idx [%d] is stored at flash [%d]\n",
6825 idx, flash_index);
6826 st_ddb_idx->flash_ddb_idx = flash_index;
6827 }
6828
6829 st_ddb_idx->fw_ddb_idx = idx;
6830
6831 list_add_tail(&st_ddb_idx->list, list_st);
6832continue_next_st:
6833 if (next_idx == 0)
6834 break;
6835 }
6836
6837exit_st_list:
6838 if (fw_ddb_entry)
6839 dma_pool_free(ha->fw_ddb_dma_pool, fw_ddb_entry, fw_ddb_dma);
6840}
6841
6842
6843
6844
6845
6846
6847
6848
6849
6850static void qla4xxx_remove_failed_ddb(struct scsi_qla_host *ha,
6851 struct list_head *list_ddb)
6852{
6853 struct qla_ddb_index *ddb_idx, *ddb_idx_tmp;
6854 uint32_t next_idx = 0;
6855 uint32_t state = 0, conn_err = 0;
6856 int ret;
6857
6858 list_for_each_entry_safe(ddb_idx, ddb_idx_tmp, list_ddb, list) {
6859 ret = qla4xxx_get_fwddb_entry(ha, ddb_idx->fw_ddb_idx,
6860 NULL, 0, NULL, &next_idx, &state,
6861 &conn_err, NULL, NULL);
6862 if (ret == QLA_ERROR)
6863 continue;
6864
6865 if (state == DDB_DS_NO_CONNECTION_ACTIVE ||
6866 state == DDB_DS_SESSION_FAILED) {
6867 list_del_init(&ddb_idx->list);
6868 vfree(ddb_idx);
6869 }
6870 }
6871}
6872
6873static void qla4xxx_update_sess_disc_idx(struct scsi_qla_host *ha,
6874 struct ddb_entry *ddb_entry,
6875 struct dev_db_entry *fw_ddb_entry)
6876{
6877 struct iscsi_cls_session *cls_sess;
6878 struct iscsi_session *sess;
6879 uint32_t max_ddbs = 0;
6880 uint16_t ddb_link = -1;
6881
6882 max_ddbs = is_qla40XX(ha) ? MAX_DEV_DB_ENTRIES_40XX :
6883 MAX_DEV_DB_ENTRIES;
6884
6885 cls_sess = ddb_entry->sess;
6886 sess = cls_sess->dd_data;
6887
6888 ddb_link = le16_to_cpu(fw_ddb_entry->ddb_link);
6889 if (ddb_link < max_ddbs)
6890 sess->discovery_parent_idx = ddb_link;
6891 else
6892 sess->discovery_parent_idx = DDB_NO_LINK;
6893}
6894
6895static int qla4xxx_sess_conn_setup(struct scsi_qla_host *ha,
6896 struct dev_db_entry *fw_ddb_entry,
6897 int is_reset, uint16_t idx)
6898{
6899 struct iscsi_cls_session *cls_sess;
6900 struct iscsi_session *sess;
6901 struct iscsi_cls_conn *cls_conn;
6902 struct iscsi_endpoint *ep;
6903 uint16_t cmds_max = 32;
6904 uint16_t conn_id = 0;
6905 uint32_t initial_cmdsn = 0;
6906 int ret = QLA_SUCCESS;
6907
6908 struct ddb_entry *ddb_entry = NULL;
6909
6910
6911
6912
6913 cls_sess = iscsi_session_setup(&qla4xxx_iscsi_transport, ha->host,
6914 cmds_max, sizeof(struct ddb_entry),
6915 sizeof(struct ql4_task_data),
6916 initial_cmdsn, INVALID_ENTRY);
6917 if (!cls_sess) {
6918 ret = QLA_ERROR;
6919 goto exit_setup;
6920 }
6921
6922
6923
6924
6925
6926 module_put(qla4xxx_iscsi_transport.owner);
6927 sess = cls_sess->dd_data;
6928 ddb_entry = sess->dd_data;
6929 ddb_entry->sess = cls_sess;
6930
6931 cls_sess->recovery_tmo = ql4xsess_recovery_tmo;
6932 memcpy(&ddb_entry->fw_ddb_entry, fw_ddb_entry,
6933 sizeof(struct dev_db_entry));
6934
6935 qla4xxx_setup_flash_ddb_entry(ha, ddb_entry, idx);
6936
6937 cls_conn = iscsi_conn_setup(cls_sess, sizeof(struct qla_conn), conn_id);
6938
6939 if (!cls_conn) {
6940 ret = QLA_ERROR;
6941 goto exit_setup;
6942 }
6943
6944 ddb_entry->conn = cls_conn;
6945
6946
6947 ep = qla4xxx_get_ep_fwdb(ha, fw_ddb_entry);
6948 if (ep) {
6949 ep->conn = cls_conn;
6950 cls_conn->ep = ep;
6951 } else {
6952 DEBUG2(ql4_printk(KERN_ERR, ha, "Unable to get ep\n"));
6953 ret = QLA_ERROR;
6954 goto exit_setup;
6955 }
6956
6957
6958 qla4xxx_copy_fwddb_param(ha, fw_ddb_entry, cls_sess, cls_conn);
6959 qla4xxx_update_sess_disc_idx(ha, ddb_entry, fw_ddb_entry);
6960
6961 if (is_reset == RESET_ADAPTER) {
6962 iscsi_block_session(cls_sess);
6963
6964
6965
6966
6967
6968 set_bit(DPC_RELOGIN_DEVICE, &ha->dpc_flags);
6969 set_bit(DF_RELOGIN, &ddb_entry->flags);
6970 }
6971
6972exit_setup:
6973 return ret;
6974}
6975
6976static void qla4xxx_update_fw_ddb_link(struct scsi_qla_host *ha,
6977 struct list_head *list_ddb,
6978 struct dev_db_entry *fw_ddb_entry)
6979{
6980 struct qla_ddb_index *ddb_idx, *ddb_idx_tmp;
6981 uint16_t ddb_link;
6982
6983 ddb_link = le16_to_cpu(fw_ddb_entry->ddb_link);
6984
6985 list_for_each_entry_safe(ddb_idx, ddb_idx_tmp, list_ddb, list) {
6986 if (ddb_idx->fw_ddb_idx == ddb_link) {
6987 DEBUG2(ql4_printk(KERN_INFO, ha,
6988 "Updating NT parent idx from [%d] to [%d]\n",
6989 ddb_link, ddb_idx->flash_ddb_idx));
6990 fw_ddb_entry->ddb_link =
6991 cpu_to_le16(ddb_idx->flash_ddb_idx);
6992 return;
6993 }
6994 }
6995}
6996
6997static void qla4xxx_build_nt_list(struct scsi_qla_host *ha,
6998 struct list_head *list_nt,
6999 struct list_head *list_st,
7000 int is_reset)
7001{
7002 struct dev_db_entry *fw_ddb_entry;
7003 struct ddb_entry *ddb_entry = NULL;
7004 dma_addr_t fw_ddb_dma;
7005 int max_ddbs;
7006 int fw_idx_size;
7007 int ret;
7008 uint32_t idx = 0, next_idx = 0;
7009 uint32_t state = 0, conn_err = 0;
7010 uint32_t ddb_idx = -1;
7011 uint16_t conn_id = 0;
7012 uint16_t ddb_link = -1;
7013 struct qla_ddb_index *nt_ddb_idx;
7014
7015 fw_ddb_entry = dma_pool_alloc(ha->fw_ddb_dma_pool, GFP_KERNEL,
7016 &fw_ddb_dma);
7017 if (fw_ddb_entry == NULL) {
7018 DEBUG2(ql4_printk(KERN_ERR, ha, "Out of memory\n"));
7019 goto exit_nt_list;
7020 }
7021 max_ddbs = is_qla40XX(ha) ? MAX_DEV_DB_ENTRIES_40XX :
7022 MAX_DEV_DB_ENTRIES;
7023 fw_idx_size = sizeof(struct qla_ddb_index);
7024
7025 for (idx = 0; idx < max_ddbs; idx = next_idx) {
7026 ret = qla4xxx_get_fwddb_entry(ha, idx, fw_ddb_entry, fw_ddb_dma,
7027 NULL, &next_idx, &state,
7028 &conn_err, NULL, &conn_id);
7029 if (ret == QLA_ERROR)
7030 break;
7031
7032 if (qla4xxx_verify_boot_idx(ha, idx) != QLA_SUCCESS)
7033 goto continue_next_nt;
7034
7035
7036 if (strlen((char *) fw_ddb_entry->iscsi_name) == 0)
7037 goto continue_next_nt;
7038
7039 ddb_link = le16_to_cpu(fw_ddb_entry->ddb_link);
7040 if (ddb_link < max_ddbs)
7041 qla4xxx_update_fw_ddb_link(ha, list_st, fw_ddb_entry);
7042
7043 if (!(state == DDB_DS_NO_CONNECTION_ACTIVE ||
7044 state == DDB_DS_SESSION_FAILED) &&
7045 (is_reset == INIT_ADAPTER))
7046 goto continue_next_nt;
7047
7048 DEBUG2(ql4_printk(KERN_INFO, ha,
7049 "Adding DDB to session = 0x%x\n", idx));
7050
7051 if (is_reset == INIT_ADAPTER) {
7052 nt_ddb_idx = vmalloc(fw_idx_size);
7053 if (!nt_ddb_idx)
7054 break;
7055
7056 nt_ddb_idx->fw_ddb_idx = idx;
7057
7058
7059
7060
7061
7062 memcpy(&nt_ddb_idx->flash_isid[0],
7063 &fw_ddb_entry->isid[0],
7064 sizeof(nt_ddb_idx->flash_isid));
7065
7066 ret = qla4xxx_is_flash_ddb_exists(ha, list_nt,
7067 fw_ddb_entry);
7068 if (ret == QLA_SUCCESS) {
7069
7070 vfree(nt_ddb_idx);
7071 goto continue_next_nt;
7072 }
7073
7074
7075 memcpy(&nt_ddb_idx->fw_ddb, fw_ddb_entry,
7076 sizeof(struct dev_db_entry));
7077
7078 list_add_tail(&nt_ddb_idx->list, list_nt);
7079 } else if (is_reset == RESET_ADAPTER) {
7080 ret = qla4xxx_is_session_exists(ha, fw_ddb_entry,
7081 &ddb_idx);
7082 if (ret == QLA_SUCCESS) {
7083 ddb_entry = qla4xxx_lookup_ddb_by_fw_index(ha,
7084 ddb_idx);
7085 if (ddb_entry != NULL)
7086 qla4xxx_update_sess_disc_idx(ha,
7087 ddb_entry,
7088 fw_ddb_entry);
7089 goto continue_next_nt;
7090 }
7091 }
7092
7093 ret = qla4xxx_sess_conn_setup(ha, fw_ddb_entry, is_reset, idx);
7094 if (ret == QLA_ERROR)
7095 goto exit_nt_list;
7096
7097continue_next_nt:
7098 if (next_idx == 0)
7099 break;
7100 }
7101
7102exit_nt_list:
7103 if (fw_ddb_entry)
7104 dma_pool_free(ha->fw_ddb_dma_pool, fw_ddb_entry, fw_ddb_dma);
7105}
7106
7107static void qla4xxx_build_new_nt_list(struct scsi_qla_host *ha,
7108 struct list_head *list_nt,
7109 uint16_t target_id)
7110{
7111 struct dev_db_entry *fw_ddb_entry;
7112 dma_addr_t fw_ddb_dma;
7113 int max_ddbs;
7114 int fw_idx_size;
7115 int ret;
7116 uint32_t idx = 0, next_idx = 0;
7117 uint32_t state = 0, conn_err = 0;
7118 uint16_t conn_id = 0;
7119 struct qla_ddb_index *nt_ddb_idx;
7120
7121 fw_ddb_entry = dma_pool_alloc(ha->fw_ddb_dma_pool, GFP_KERNEL,
7122 &fw_ddb_dma);
7123 if (fw_ddb_entry == NULL) {
7124 DEBUG2(ql4_printk(KERN_ERR, ha, "Out of memory\n"));
7125 goto exit_new_nt_list;
7126 }
7127 max_ddbs = is_qla40XX(ha) ? MAX_DEV_DB_ENTRIES_40XX :
7128 MAX_DEV_DB_ENTRIES;
7129 fw_idx_size = sizeof(struct qla_ddb_index);
7130
7131 for (idx = 0; idx < max_ddbs; idx = next_idx) {
7132 ret = qla4xxx_get_fwddb_entry(ha, idx, fw_ddb_entry, fw_ddb_dma,
7133 NULL, &next_idx, &state,
7134 &conn_err, NULL, &conn_id);
7135 if (ret == QLA_ERROR)
7136 break;
7137
7138
7139 if (strlen((char *)fw_ddb_entry->iscsi_name) == 0)
7140 goto continue_next_new_nt;
7141
7142 if (!(state == DDB_DS_NO_CONNECTION_ACTIVE))
7143 goto continue_next_new_nt;
7144
7145 DEBUG2(ql4_printk(KERN_INFO, ha,
7146 "Adding DDB to session = 0x%x\n", idx));
7147
7148 nt_ddb_idx = vmalloc(fw_idx_size);
7149 if (!nt_ddb_idx)
7150 break;
7151
7152 nt_ddb_idx->fw_ddb_idx = idx;
7153
7154 ret = qla4xxx_is_session_exists(ha, fw_ddb_entry, NULL);
7155 if (ret == QLA_SUCCESS) {
7156
7157 vfree(nt_ddb_idx);
7158 goto continue_next_new_nt;
7159 }
7160
7161 if (target_id < max_ddbs)
7162 fw_ddb_entry->ddb_link = cpu_to_le16(target_id);
7163
7164 list_add_tail(&nt_ddb_idx->list, list_nt);
7165
7166 ret = qla4xxx_sess_conn_setup(ha, fw_ddb_entry, RESET_ADAPTER,
7167 idx);
7168 if (ret == QLA_ERROR)
7169 goto exit_new_nt_list;
7170
7171continue_next_new_nt:
7172 if (next_idx == 0)
7173 break;
7174 }
7175
7176exit_new_nt_list:
7177 if (fw_ddb_entry)
7178 dma_pool_free(ha->fw_ddb_dma_pool, fw_ddb_entry, fw_ddb_dma);
7179}
7180
7181
7182
7183
7184
7185
7186
7187
7188
7189
7190static int qla4xxx_sysfs_ddb_is_non_persistent(struct device *dev, void *data)
7191{
7192 struct iscsi_bus_flash_session *fnode_sess;
7193
7194 if (!iscsi_flashnode_bus_match(dev, NULL))
7195 return 0;
7196
7197 fnode_sess = iscsi_dev_to_flash_session(dev);
7198
7199 return (fnode_sess->flash_state == DEV_DB_NON_PERSISTENT);
7200}
7201
7202
7203
7204
7205
7206
7207
7208
7209
7210
7211
7212
7213
7214
7215
7216
7217
7218static int qla4xxx_sysfs_ddb_tgt_create(struct scsi_qla_host *ha,
7219 struct dev_db_entry *fw_ddb_entry,
7220 uint16_t *idx, int user)
7221{
7222 struct iscsi_bus_flash_session *fnode_sess = NULL;
7223 struct iscsi_bus_flash_conn *fnode_conn = NULL;
7224 int rc = QLA_ERROR;
7225
7226 fnode_sess = iscsi_create_flashnode_sess(ha->host, *idx,
7227 &qla4xxx_iscsi_transport, 0);
7228 if (!fnode_sess) {
7229 ql4_printk(KERN_ERR, ha,
7230 "%s: Unable to create session sysfs entry for flashnode %d of host%lu\n",
7231 __func__, *idx, ha->host_no);
7232 goto exit_tgt_create;
7233 }
7234
7235 fnode_conn = iscsi_create_flashnode_conn(ha->host, fnode_sess,
7236 &qla4xxx_iscsi_transport, 0);
7237 if (!fnode_conn) {
7238 ql4_printk(KERN_ERR, ha,
7239 "%s: Unable to create conn sysfs entry for flashnode %d of host%lu\n",
7240 __func__, *idx, ha->host_no);
7241 goto free_sess;
7242 }
7243
7244 if (user) {
7245 fnode_sess->flash_state = DEV_DB_NON_PERSISTENT;
7246 } else {
7247 fnode_sess->flash_state = DEV_DB_PERSISTENT;
7248
7249 if (*idx == ha->pri_ddb_idx || *idx == ha->sec_ddb_idx)
7250 fnode_sess->is_boot_target = 1;
7251 else
7252 fnode_sess->is_boot_target = 0;
7253 }
7254
7255 rc = qla4xxx_copy_from_fwddb_param(fnode_sess, fnode_conn,
7256 fw_ddb_entry);
7257
7258 ql4_printk(KERN_INFO, ha, "%s: sysfs entry %s created\n",
7259 __func__, fnode_sess->dev.kobj.name);
7260
7261 ql4_printk(KERN_INFO, ha, "%s: sysfs entry %s created\n",
7262 __func__, fnode_conn->dev.kobj.name);
7263
7264 return QLA_SUCCESS;
7265
7266free_sess:
7267 iscsi_destroy_flashnode_sess(fnode_sess);
7268
7269exit_tgt_create:
7270 return QLA_ERROR;
7271}
7272
7273
7274
7275
7276
7277
7278
7279
7280
7281
7282static int qla4xxx_sysfs_ddb_add(struct Scsi_Host *shost, const char *buf,
7283 int len)
7284{
7285 struct scsi_qla_host *ha = to_qla_host(shost);
7286 struct dev_db_entry *fw_ddb_entry = NULL;
7287 dma_addr_t fw_ddb_entry_dma;
7288 struct device *dev;
7289 uint16_t idx = 0;
7290 uint16_t max_ddbs = 0;
7291 uint32_t options = 0;
7292 uint32_t rval = QLA_ERROR;
7293
7294 if (strncasecmp(PORTAL_TYPE_IPV4, buf, 4) &&
7295 strncasecmp(PORTAL_TYPE_IPV6, buf, 4)) {
7296 DEBUG2(ql4_printk(KERN_ERR, ha, "%s: Invalid portal type\n",
7297 __func__));
7298 goto exit_ddb_add;
7299 }
7300
7301 max_ddbs = is_qla40XX(ha) ? MAX_PRST_DEV_DB_ENTRIES :
7302 MAX_DEV_DB_ENTRIES;
7303
7304 fw_ddb_entry = dma_alloc_coherent(&ha->pdev->dev, sizeof(*fw_ddb_entry),
7305 &fw_ddb_entry_dma, GFP_KERNEL);
7306 if (!fw_ddb_entry) {
7307 DEBUG2(ql4_printk(KERN_ERR, ha,
7308 "%s: Unable to allocate dma buffer\n",
7309 __func__));
7310 goto exit_ddb_add;
7311 }
7312
7313 dev = iscsi_find_flashnode_sess(ha->host, NULL,
7314 qla4xxx_sysfs_ddb_is_non_persistent);
7315 if (dev) {
7316 ql4_printk(KERN_ERR, ha,
7317 "%s: A non-persistent entry %s found\n",
7318 __func__, dev->kobj.name);
7319 put_device(dev);
7320 goto exit_ddb_add;
7321 }
7322
7323
7324 for (idx = 2; idx < max_ddbs; idx++) {
7325 if (qla4xxx_flashdb_by_index(ha, fw_ddb_entry,
7326 fw_ddb_entry_dma, idx))
7327 break;
7328 }
7329
7330 if (idx == max_ddbs)
7331 goto exit_ddb_add;
7332
7333 if (!strncasecmp("ipv6", buf, 4))
7334 options |= IPV6_DEFAULT_DDB_ENTRY;
7335
7336 rval = qla4xxx_get_default_ddb(ha, options, fw_ddb_entry_dma);
7337 if (rval == QLA_ERROR)
7338 goto exit_ddb_add;
7339
7340 rval = qla4xxx_sysfs_ddb_tgt_create(ha, fw_ddb_entry, &idx, 1);
7341
7342exit_ddb_add:
7343 if (fw_ddb_entry)
7344 dma_free_coherent(&ha->pdev->dev, sizeof(*fw_ddb_entry),
7345 fw_ddb_entry, fw_ddb_entry_dma);
7346 if (rval == QLA_SUCCESS)
7347 return idx;
7348 else
7349 return -EIO;
7350}
7351
7352
7353
7354
7355
7356
7357
7358
7359
7360static int qla4xxx_sysfs_ddb_apply(struct iscsi_bus_flash_session *fnode_sess,
7361 struct iscsi_bus_flash_conn *fnode_conn)
7362{
7363 struct Scsi_Host *shost = iscsi_flash_session_to_shost(fnode_sess);
7364 struct scsi_qla_host *ha = to_qla_host(shost);
7365 uint32_t dev_db_start_offset = FLASH_OFFSET_DB_INFO;
7366 struct dev_db_entry *fw_ddb_entry = NULL;
7367 dma_addr_t fw_ddb_entry_dma;
7368 uint32_t options = 0;
7369 int rval = 0;
7370
7371 fw_ddb_entry = dma_alloc_coherent(&ha->pdev->dev, sizeof(*fw_ddb_entry),
7372 &fw_ddb_entry_dma, GFP_KERNEL);
7373 if (!fw_ddb_entry) {
7374 DEBUG2(ql4_printk(KERN_ERR, ha,
7375 "%s: Unable to allocate dma buffer\n",
7376 __func__));
7377 rval = -ENOMEM;
7378 goto exit_ddb_apply;
7379 }
7380
7381 if (!strncasecmp(fnode_sess->portal_type, PORTAL_TYPE_IPV6, 4))
7382 options |= IPV6_DEFAULT_DDB_ENTRY;
7383
7384 rval = qla4xxx_get_default_ddb(ha, options, fw_ddb_entry_dma);
7385 if (rval == QLA_ERROR)
7386 goto exit_ddb_apply;
7387
7388 dev_db_start_offset += (fnode_sess->target_id *
7389 sizeof(*fw_ddb_entry));
7390
7391 qla4xxx_copy_to_fwddb_param(fnode_sess, fnode_conn, fw_ddb_entry);
7392 fw_ddb_entry->cookie = DDB_VALID_COOKIE;
7393
7394 rval = qla4xxx_set_flash(ha, fw_ddb_entry_dma, dev_db_start_offset,
7395 sizeof(*fw_ddb_entry), FLASH_OPT_RMW_COMMIT);
7396
7397 if (rval == QLA_SUCCESS) {
7398 fnode_sess->flash_state = DEV_DB_PERSISTENT;
7399 ql4_printk(KERN_INFO, ha,
7400 "%s: flash node %u of host %lu written to flash\n",
7401 __func__, fnode_sess->target_id, ha->host_no);
7402 } else {
7403 rval = -EIO;
7404 ql4_printk(KERN_ERR, ha,
7405 "%s: Error while writing flash node %u of host %lu to flash\n",
7406 __func__, fnode_sess->target_id, ha->host_no);
7407 }
7408
7409exit_ddb_apply:
7410 if (fw_ddb_entry)
7411 dma_free_coherent(&ha->pdev->dev, sizeof(*fw_ddb_entry),
7412 fw_ddb_entry, fw_ddb_entry_dma);
7413 return rval;
7414}
7415
7416static ssize_t qla4xxx_sysfs_ddb_conn_open(struct scsi_qla_host *ha,
7417 struct dev_db_entry *fw_ddb_entry,
7418 uint16_t idx)
7419{
7420 struct dev_db_entry *ddb_entry = NULL;
7421 dma_addr_t ddb_entry_dma;
7422 unsigned long wtime;
7423 uint32_t mbx_sts = 0;
7424 uint32_t state = 0, conn_err = 0;
7425 uint16_t tmo = 0;
7426 int ret = 0;
7427
7428 ddb_entry = dma_alloc_coherent(&ha->pdev->dev, sizeof(*ddb_entry),
7429 &ddb_entry_dma, GFP_KERNEL);
7430 if (!ddb_entry) {
7431 DEBUG2(ql4_printk(KERN_ERR, ha,
7432 "%s: Unable to allocate dma buffer\n",
7433 __func__));
7434 return QLA_ERROR;
7435 }
7436
7437 memcpy(ddb_entry, fw_ddb_entry, sizeof(*ddb_entry));
7438
7439 ret = qla4xxx_set_ddb_entry(ha, idx, ddb_entry_dma, &mbx_sts);
7440 if (ret != QLA_SUCCESS) {
7441 DEBUG2(ql4_printk(KERN_ERR, ha,
7442 "%s: Unable to set ddb entry for index %d\n",
7443 __func__, idx));
7444 goto exit_ddb_conn_open;
7445 }
7446
7447 qla4xxx_conn_open(ha, idx);
7448
7449
7450 tmo = ((ha->def_timeout > LOGIN_TOV) &&
7451 (ha->def_timeout < LOGIN_TOV * 10) ?
7452 ha->def_timeout : LOGIN_TOV);
7453
7454 DEBUG2(ql4_printk(KERN_INFO, ha,
7455 "Default time to wait for login to ddb %d\n", tmo));
7456
7457 wtime = jiffies + (HZ * tmo);
7458 do {
7459 ret = qla4xxx_get_fwddb_entry(ha, idx, NULL, 0, NULL,
7460 NULL, &state, &conn_err, NULL,
7461 NULL);
7462 if (ret == QLA_ERROR)
7463 continue;
7464
7465 if (state == DDB_DS_NO_CONNECTION_ACTIVE ||
7466 state == DDB_DS_SESSION_FAILED)
7467 break;
7468
7469 schedule_timeout_uninterruptible(HZ / 10);
7470 } while (time_after(wtime, jiffies));
7471
7472exit_ddb_conn_open:
7473 if (ddb_entry)
7474 dma_free_coherent(&ha->pdev->dev, sizeof(*ddb_entry),
7475 ddb_entry, ddb_entry_dma);
7476 return ret;
7477}
7478
7479static int qla4xxx_ddb_login_st(struct scsi_qla_host *ha,
7480 struct dev_db_entry *fw_ddb_entry,
7481 uint16_t target_id)
7482{
7483 struct qla_ddb_index *ddb_idx, *ddb_idx_tmp;
7484 struct list_head list_nt;
7485 uint16_t ddb_index;
7486 int ret = 0;
7487
7488 if (test_bit(AF_ST_DISCOVERY_IN_PROGRESS, &ha->flags)) {
7489 ql4_printk(KERN_WARNING, ha,
7490 "%s: A discovery already in progress!\n", __func__);
7491 return QLA_ERROR;
7492 }
7493
7494 INIT_LIST_HEAD(&list_nt);
7495
7496 set_bit(AF_ST_DISCOVERY_IN_PROGRESS, &ha->flags);
7497
7498 ret = qla4xxx_get_ddb_index(ha, &ddb_index);
7499 if (ret == QLA_ERROR)
7500 goto exit_login_st_clr_bit;
7501
7502 ret = qla4xxx_sysfs_ddb_conn_open(ha, fw_ddb_entry, ddb_index);
7503 if (ret == QLA_ERROR)
7504 goto exit_login_st;
7505
7506 qla4xxx_build_new_nt_list(ha, &list_nt, target_id);
7507
7508 list_for_each_entry_safe(ddb_idx, ddb_idx_tmp, &list_nt, list) {
7509 list_del_init(&ddb_idx->list);
7510 qla4xxx_clear_ddb_entry(ha, ddb_idx->fw_ddb_idx);
7511 vfree(ddb_idx);
7512 }
7513
7514exit_login_st:
7515 if (qla4xxx_clear_ddb_entry(ha, ddb_index) == QLA_ERROR) {
7516 ql4_printk(KERN_ERR, ha,
7517 "Unable to clear DDB index = 0x%x\n", ddb_index);
7518 }
7519
7520 clear_bit(ddb_index, ha->ddb_idx_map);
7521
7522exit_login_st_clr_bit:
7523 clear_bit(AF_ST_DISCOVERY_IN_PROGRESS, &ha->flags);
7524 return ret;
7525}
7526
7527static int qla4xxx_ddb_login_nt(struct scsi_qla_host *ha,
7528 struct dev_db_entry *fw_ddb_entry,
7529 uint16_t idx)
7530{
7531 int ret = QLA_ERROR;
7532
7533 ret = qla4xxx_is_session_exists(ha, fw_ddb_entry, NULL);
7534 if (ret != QLA_SUCCESS)
7535 ret = qla4xxx_sess_conn_setup(ha, fw_ddb_entry, RESET_ADAPTER,
7536 idx);
7537 else
7538 ret = -EPERM;
7539
7540 return ret;
7541}
7542
7543
7544
7545
7546
7547
7548
7549
7550static int qla4xxx_sysfs_ddb_login(struct iscsi_bus_flash_session *fnode_sess,
7551 struct iscsi_bus_flash_conn *fnode_conn)
7552{
7553 struct Scsi_Host *shost = iscsi_flash_session_to_shost(fnode_sess);
7554 struct scsi_qla_host *ha = to_qla_host(shost);
7555 struct dev_db_entry *fw_ddb_entry = NULL;
7556 dma_addr_t fw_ddb_entry_dma;
7557 uint32_t options = 0;
7558 int ret = 0;
7559
7560 if (fnode_sess->flash_state == DEV_DB_NON_PERSISTENT) {
7561 ql4_printk(KERN_ERR, ha,
7562 "%s: Target info is not persistent\n", __func__);
7563 ret = -EIO;
7564 goto exit_ddb_login;
7565 }
7566
7567 fw_ddb_entry = dma_alloc_coherent(&ha->pdev->dev, sizeof(*fw_ddb_entry),
7568 &fw_ddb_entry_dma, GFP_KERNEL);
7569 if (!fw_ddb_entry) {
7570 DEBUG2(ql4_printk(KERN_ERR, ha,
7571 "%s: Unable to allocate dma buffer\n",
7572 __func__));
7573 ret = -ENOMEM;
7574 goto exit_ddb_login;
7575 }
7576
7577 if (!strncasecmp(fnode_sess->portal_type, PORTAL_TYPE_IPV6, 4))
7578 options |= IPV6_DEFAULT_DDB_ENTRY;
7579
7580 ret = qla4xxx_get_default_ddb(ha, options, fw_ddb_entry_dma);
7581 if (ret == QLA_ERROR)
7582 goto exit_ddb_login;
7583
7584 qla4xxx_copy_to_fwddb_param(fnode_sess, fnode_conn, fw_ddb_entry);
7585 fw_ddb_entry->cookie = DDB_VALID_COOKIE;
7586
7587 if (strlen((char *)fw_ddb_entry->iscsi_name) == 0)
7588 ret = qla4xxx_ddb_login_st(ha, fw_ddb_entry,
7589 fnode_sess->target_id);
7590 else
7591 ret = qla4xxx_ddb_login_nt(ha, fw_ddb_entry,
7592 fnode_sess->target_id);
7593
7594 if (ret > 0)
7595 ret = -EIO;
7596
7597exit_ddb_login:
7598 if (fw_ddb_entry)
7599 dma_free_coherent(&ha->pdev->dev, sizeof(*fw_ddb_entry),
7600 fw_ddb_entry, fw_ddb_entry_dma);
7601 return ret;
7602}
7603
7604
7605
7606
7607
7608
7609
7610static int qla4xxx_sysfs_ddb_logout_sid(struct iscsi_cls_session *cls_sess)
7611{
7612 struct iscsi_session *sess;
7613 struct ddb_entry *ddb_entry = NULL;
7614 struct scsi_qla_host *ha;
7615 struct dev_db_entry *fw_ddb_entry = NULL;
7616 dma_addr_t fw_ddb_entry_dma;
7617 unsigned long flags;
7618 unsigned long wtime;
7619 uint32_t ddb_state;
7620 int options;
7621 int ret = 0;
7622
7623 sess = cls_sess->dd_data;
7624 ddb_entry = sess->dd_data;
7625 ha = ddb_entry->ha;
7626
7627 if (ddb_entry->ddb_type != FLASH_DDB) {
7628 ql4_printk(KERN_ERR, ha, "%s: Not a flash node session\n",
7629 __func__);
7630 ret = -ENXIO;
7631 goto exit_ddb_logout;
7632 }
7633
7634 if (test_bit(DF_BOOT_TGT, &ddb_entry->flags)) {
7635 ql4_printk(KERN_ERR, ha,
7636 "%s: Logout from boot target entry is not permitted.\n",
7637 __func__);
7638 ret = -EPERM;
7639 goto exit_ddb_logout;
7640 }
7641
7642 fw_ddb_entry = dma_alloc_coherent(&ha->pdev->dev, sizeof(*fw_ddb_entry),
7643 &fw_ddb_entry_dma, GFP_KERNEL);
7644 if (!fw_ddb_entry) {
7645 ql4_printk(KERN_ERR, ha,
7646 "%s: Unable to allocate dma buffer\n", __func__);
7647 ret = -ENOMEM;
7648 goto exit_ddb_logout;
7649 }
7650
7651 if (test_and_set_bit(DF_DISABLE_RELOGIN, &ddb_entry->flags))
7652 goto ddb_logout_init;
7653
7654 ret = qla4xxx_get_fwddb_entry(ha, ddb_entry->fw_ddb_index,
7655 fw_ddb_entry, fw_ddb_entry_dma,
7656 NULL, NULL, &ddb_state, NULL,
7657 NULL, NULL);
7658 if (ret == QLA_ERROR)
7659 goto ddb_logout_init;
7660
7661 if (ddb_state == DDB_DS_SESSION_ACTIVE)
7662 goto ddb_logout_init;
7663
7664
7665
7666
7667 wtime = jiffies + (HZ * RELOGIN_TOV);
7668 do {
7669 if (test_and_clear_bit(DF_RELOGIN, &ddb_entry->flags))
7670 goto ddb_logout_init;
7671
7672 schedule_timeout_uninterruptible(HZ);
7673 } while ((time_after(wtime, jiffies)));
7674
7675ddb_logout_init:
7676 atomic_set(&ddb_entry->retry_relogin_timer, INVALID_ENTRY);
7677 atomic_set(&ddb_entry->relogin_timer, 0);
7678
7679 options = LOGOUT_OPTION_CLOSE_SESSION;
7680 qla4xxx_session_logout_ddb(ha, ddb_entry, options);
7681
7682 memset(fw_ddb_entry, 0, sizeof(*fw_ddb_entry));
7683 wtime = jiffies + (HZ * LOGOUT_TOV);
7684 do {
7685 ret = qla4xxx_get_fwddb_entry(ha, ddb_entry->fw_ddb_index,
7686 fw_ddb_entry, fw_ddb_entry_dma,
7687 NULL, NULL, &ddb_state, NULL,
7688 NULL, NULL);
7689 if (ret == QLA_ERROR)
7690 goto ddb_logout_clr_sess;
7691
7692 if ((ddb_state == DDB_DS_NO_CONNECTION_ACTIVE) ||
7693 (ddb_state == DDB_DS_SESSION_FAILED))
7694 goto ddb_logout_clr_sess;
7695
7696 schedule_timeout_uninterruptible(HZ);
7697 } while ((time_after(wtime, jiffies)));
7698
7699ddb_logout_clr_sess:
7700 qla4xxx_clear_ddb_entry(ha, ddb_entry->fw_ddb_index);
7701
7702
7703
7704
7705
7706
7707 try_module_get(qla4xxx_iscsi_transport.owner);
7708 iscsi_destroy_endpoint(ddb_entry->conn->ep);
7709
7710 spin_lock_irqsave(&ha->hardware_lock, flags);
7711 qla4xxx_free_ddb(ha, ddb_entry);
7712 clear_bit(ddb_entry->fw_ddb_index, ha->ddb_idx_map);
7713 spin_unlock_irqrestore(&ha->hardware_lock, flags);
7714
7715 iscsi_session_teardown(ddb_entry->sess);
7716
7717 clear_bit(DF_DISABLE_RELOGIN, &ddb_entry->flags);
7718 ret = QLA_SUCCESS;
7719
7720exit_ddb_logout:
7721 if (fw_ddb_entry)
7722 dma_free_coherent(&ha->pdev->dev, sizeof(*fw_ddb_entry),
7723 fw_ddb_entry, fw_ddb_entry_dma);
7724 return ret;
7725}
7726
7727
7728
7729
7730
7731
7732
7733
7734static int qla4xxx_sysfs_ddb_logout(struct iscsi_bus_flash_session *fnode_sess,
7735 struct iscsi_bus_flash_conn *fnode_conn)
7736{
7737 struct Scsi_Host *shost = iscsi_flash_session_to_shost(fnode_sess);
7738 struct scsi_qla_host *ha = to_qla_host(shost);
7739 struct ql4_tuple_ddb *flash_tddb = NULL;
7740 struct ql4_tuple_ddb *tmp_tddb = NULL;
7741 struct dev_db_entry *fw_ddb_entry = NULL;
7742 struct ddb_entry *ddb_entry = NULL;
7743 dma_addr_t fw_ddb_dma;
7744 uint32_t next_idx = 0;
7745 uint32_t state = 0, conn_err = 0;
7746 uint16_t conn_id = 0;
7747 int idx, index;
7748 int status, ret = 0;
7749
7750 fw_ddb_entry = dma_pool_alloc(ha->fw_ddb_dma_pool, GFP_KERNEL,
7751 &fw_ddb_dma);
7752 if (fw_ddb_entry == NULL) {
7753 ql4_printk(KERN_ERR, ha, "%s:Out of memory\n", __func__);
7754 ret = -ENOMEM;
7755 goto exit_ddb_logout;
7756 }
7757
7758 flash_tddb = vzalloc(sizeof(*flash_tddb));
7759 if (!flash_tddb) {
7760 ql4_printk(KERN_WARNING, ha,
7761 "%s:Memory Allocation failed.\n", __func__);
7762 ret = -ENOMEM;
7763 goto exit_ddb_logout;
7764 }
7765
7766 tmp_tddb = vzalloc(sizeof(*tmp_tddb));
7767 if (!tmp_tddb) {
7768 ql4_printk(KERN_WARNING, ha,
7769 "%s:Memory Allocation failed.\n", __func__);
7770 ret = -ENOMEM;
7771 goto exit_ddb_logout;
7772 }
7773
7774 if (!fnode_sess->targetname) {
7775 ql4_printk(KERN_ERR, ha,
7776 "%s:Cannot logout from SendTarget entry\n",
7777 __func__);
7778 ret = -EPERM;
7779 goto exit_ddb_logout;
7780 }
7781
7782 if (fnode_sess->is_boot_target) {
7783 ql4_printk(KERN_ERR, ha,
7784 "%s: Logout from boot target entry is not permitted.\n",
7785 __func__);
7786 ret = -EPERM;
7787 goto exit_ddb_logout;
7788 }
7789
7790 strlcpy(flash_tddb->iscsi_name, fnode_sess->targetname,
7791 ISCSI_NAME_SIZE);
7792
7793 if (!strncmp(fnode_sess->portal_type, PORTAL_TYPE_IPV6, 4))
7794 sprintf(flash_tddb->ip_addr, "%pI6", fnode_conn->ipaddress);
7795 else
7796 sprintf(flash_tddb->ip_addr, "%pI4", fnode_conn->ipaddress);
7797
7798 flash_tddb->tpgt = fnode_sess->tpgt;
7799 flash_tddb->port = fnode_conn->port;
7800
7801 COPY_ISID(flash_tddb->isid, fnode_sess->isid);
7802
7803 for (idx = 0; idx < MAX_DDB_ENTRIES; idx++) {
7804 ddb_entry = qla4xxx_lookup_ddb_by_fw_index(ha, idx);
7805 if (ddb_entry == NULL)
7806 continue;
7807
7808 if (ddb_entry->ddb_type != FLASH_DDB)
7809 continue;
7810
7811 index = ddb_entry->sess->target_id;
7812 status = qla4xxx_get_fwddb_entry(ha, index, fw_ddb_entry,
7813 fw_ddb_dma, NULL, &next_idx,
7814 &state, &conn_err, NULL,
7815 &conn_id);
7816 if (status == QLA_ERROR) {
7817 ret = -ENOMEM;
7818 break;
7819 }
7820
7821 qla4xxx_convert_param_ddb(fw_ddb_entry, tmp_tddb, NULL);
7822
7823 status = qla4xxx_compare_tuple_ddb(ha, flash_tddb, tmp_tddb,
7824 true);
7825 if (status == QLA_SUCCESS) {
7826 ret = qla4xxx_sysfs_ddb_logout_sid(ddb_entry->sess);
7827 break;
7828 }
7829 }
7830
7831 if (idx == MAX_DDB_ENTRIES)
7832 ret = -ESRCH;
7833
7834exit_ddb_logout:
7835 if (flash_tddb)
7836 vfree(flash_tddb);
7837 if (tmp_tddb)
7838 vfree(tmp_tddb);
7839 if (fw_ddb_entry)
7840 dma_pool_free(ha->fw_ddb_dma_pool, fw_ddb_entry, fw_ddb_dma);
7841
7842 return ret;
7843}
7844
7845static int
7846qla4xxx_sysfs_ddb_get_param(struct iscsi_bus_flash_session *fnode_sess,
7847 int param, char *buf)
7848{
7849 struct Scsi_Host *shost = iscsi_flash_session_to_shost(fnode_sess);
7850 struct scsi_qla_host *ha = to_qla_host(shost);
7851 struct iscsi_bus_flash_conn *fnode_conn;
7852 struct ql4_chap_table chap_tbl;
7853 struct device *dev;
7854 int parent_type;
7855 int rc = 0;
7856
7857 dev = iscsi_find_flashnode_conn(fnode_sess);
7858 if (!dev)
7859 return -EIO;
7860
7861 fnode_conn = iscsi_dev_to_flash_conn(dev);
7862
7863 switch (param) {
7864 case ISCSI_FLASHNODE_IS_FW_ASSIGNED_IPV6:
7865 rc = sprintf(buf, "%u\n", fnode_conn->is_fw_assigned_ipv6);
7866 break;
7867 case ISCSI_FLASHNODE_PORTAL_TYPE:
7868 rc = sprintf(buf, "%s\n", fnode_sess->portal_type);
7869 break;
7870 case ISCSI_FLASHNODE_AUTO_SND_TGT_DISABLE:
7871 rc = sprintf(buf, "%u\n", fnode_sess->auto_snd_tgt_disable);
7872 break;
7873 case ISCSI_FLASHNODE_DISCOVERY_SESS:
7874 rc = sprintf(buf, "%u\n", fnode_sess->discovery_sess);
7875 break;
7876 case ISCSI_FLASHNODE_ENTRY_EN:
7877 rc = sprintf(buf, "%u\n", fnode_sess->entry_state);
7878 break;
7879 case ISCSI_FLASHNODE_HDR_DGST_EN:
7880 rc = sprintf(buf, "%u\n", fnode_conn->hdrdgst_en);
7881 break;
7882 case ISCSI_FLASHNODE_DATA_DGST_EN:
7883 rc = sprintf(buf, "%u\n", fnode_conn->datadgst_en);
7884 break;
7885 case ISCSI_FLASHNODE_IMM_DATA_EN:
7886 rc = sprintf(buf, "%u\n", fnode_sess->imm_data_en);
7887 break;
7888 case ISCSI_FLASHNODE_INITIAL_R2T_EN:
7889 rc = sprintf(buf, "%u\n", fnode_sess->initial_r2t_en);
7890 break;
7891 case ISCSI_FLASHNODE_DATASEQ_INORDER:
7892 rc = sprintf(buf, "%u\n", fnode_sess->dataseq_inorder_en);
7893 break;
7894 case ISCSI_FLASHNODE_PDU_INORDER:
7895 rc = sprintf(buf, "%u\n", fnode_sess->pdu_inorder_en);
7896 break;
7897 case ISCSI_FLASHNODE_CHAP_AUTH_EN:
7898 rc = sprintf(buf, "%u\n", fnode_sess->chap_auth_en);
7899 break;
7900 case ISCSI_FLASHNODE_SNACK_REQ_EN:
7901 rc = sprintf(buf, "%u\n", fnode_conn->snack_req_en);
7902 break;
7903 case ISCSI_FLASHNODE_DISCOVERY_LOGOUT_EN:
7904 rc = sprintf(buf, "%u\n", fnode_sess->discovery_logout_en);
7905 break;
7906 case ISCSI_FLASHNODE_BIDI_CHAP_EN:
7907 rc = sprintf(buf, "%u\n", fnode_sess->bidi_chap_en);
7908 break;
7909 case ISCSI_FLASHNODE_DISCOVERY_AUTH_OPTIONAL:
7910 rc = sprintf(buf, "%u\n", fnode_sess->discovery_auth_optional);
7911 break;
7912 case ISCSI_FLASHNODE_ERL:
7913 rc = sprintf(buf, "%u\n", fnode_sess->erl);
7914 break;
7915 case ISCSI_FLASHNODE_TCP_TIMESTAMP_STAT:
7916 rc = sprintf(buf, "%u\n", fnode_conn->tcp_timestamp_stat);
7917 break;
7918 case ISCSI_FLASHNODE_TCP_NAGLE_DISABLE:
7919 rc = sprintf(buf, "%u\n", fnode_conn->tcp_nagle_disable);
7920 break;
7921 case ISCSI_FLASHNODE_TCP_WSF_DISABLE:
7922 rc = sprintf(buf, "%u\n", fnode_conn->tcp_wsf_disable);
7923 break;
7924 case ISCSI_FLASHNODE_TCP_TIMER_SCALE:
7925 rc = sprintf(buf, "%u\n", fnode_conn->tcp_timer_scale);
7926 break;
7927 case ISCSI_FLASHNODE_TCP_TIMESTAMP_EN:
7928 rc = sprintf(buf, "%u\n", fnode_conn->tcp_timestamp_en);
7929 break;
7930 case ISCSI_FLASHNODE_IP_FRAG_DISABLE:
7931 rc = sprintf(buf, "%u\n", fnode_conn->fragment_disable);
7932 break;
7933 case ISCSI_FLASHNODE_MAX_RECV_DLENGTH:
7934 rc = sprintf(buf, "%u\n", fnode_conn->max_recv_dlength);
7935 break;
7936 case ISCSI_FLASHNODE_MAX_XMIT_DLENGTH:
7937 rc = sprintf(buf, "%u\n", fnode_conn->max_xmit_dlength);
7938 break;
7939 case ISCSI_FLASHNODE_FIRST_BURST:
7940 rc = sprintf(buf, "%u\n", fnode_sess->first_burst);
7941 break;
7942 case ISCSI_FLASHNODE_DEF_TIME2WAIT:
7943 rc = sprintf(buf, "%u\n", fnode_sess->time2wait);
7944 break;
7945 case ISCSI_FLASHNODE_DEF_TIME2RETAIN:
7946 rc = sprintf(buf, "%u\n", fnode_sess->time2retain);
7947 break;
7948 case ISCSI_FLASHNODE_MAX_R2T:
7949 rc = sprintf(buf, "%u\n", fnode_sess->max_r2t);
7950 break;
7951 case ISCSI_FLASHNODE_KEEPALIVE_TMO:
7952 rc = sprintf(buf, "%u\n", fnode_conn->keepalive_timeout);
7953 break;
7954 case ISCSI_FLASHNODE_ISID:
7955 rc = sprintf(buf, "%02x%02x%02x%02x%02x%02x\n",
7956 fnode_sess->isid[0], fnode_sess->isid[1],
7957 fnode_sess->isid[2], fnode_sess->isid[3],
7958 fnode_sess->isid[4], fnode_sess->isid[5]);
7959 break;
7960 case ISCSI_FLASHNODE_TSID:
7961 rc = sprintf(buf, "%u\n", fnode_sess->tsid);
7962 break;
7963 case ISCSI_FLASHNODE_PORT:
7964 rc = sprintf(buf, "%d\n", fnode_conn->port);
7965 break;
7966 case ISCSI_FLASHNODE_MAX_BURST:
7967 rc = sprintf(buf, "%u\n", fnode_sess->max_burst);
7968 break;
7969 case ISCSI_FLASHNODE_DEF_TASKMGMT_TMO:
7970 rc = sprintf(buf, "%u\n",
7971 fnode_sess->default_taskmgmt_timeout);
7972 break;
7973 case ISCSI_FLASHNODE_IPADDR:
7974 if (!strncmp(fnode_sess->portal_type, PORTAL_TYPE_IPV6, 4))
7975 rc = sprintf(buf, "%pI6\n", fnode_conn->ipaddress);
7976 else
7977 rc = sprintf(buf, "%pI4\n", fnode_conn->ipaddress);
7978 break;
7979 case ISCSI_FLASHNODE_ALIAS:
7980 if (fnode_sess->targetalias)
7981 rc = sprintf(buf, "%s\n", fnode_sess->targetalias);
7982 else
7983 rc = sprintf(buf, "\n");
7984 break;
7985 case ISCSI_FLASHNODE_REDIRECT_IPADDR:
7986 if (!strncmp(fnode_sess->portal_type, PORTAL_TYPE_IPV6, 4))
7987 rc = sprintf(buf, "%pI6\n",
7988 fnode_conn->redirect_ipaddr);
7989 else
7990 rc = sprintf(buf, "%pI4\n",
7991 fnode_conn->redirect_ipaddr);
7992 break;
7993 case ISCSI_FLASHNODE_MAX_SEGMENT_SIZE:
7994 rc = sprintf(buf, "%u\n", fnode_conn->max_segment_size);
7995 break;
7996 case ISCSI_FLASHNODE_LOCAL_PORT:
7997 rc = sprintf(buf, "%u\n", fnode_conn->local_port);
7998 break;
7999 case ISCSI_FLASHNODE_IPV4_TOS:
8000 rc = sprintf(buf, "%u\n", fnode_conn->ipv4_tos);
8001 break;
8002 case ISCSI_FLASHNODE_IPV6_TC:
8003 if (!strncmp(fnode_sess->portal_type, PORTAL_TYPE_IPV6, 4))
8004 rc = sprintf(buf, "%u\n",
8005 fnode_conn->ipv6_traffic_class);
8006 else
8007 rc = sprintf(buf, "\n");
8008 break;
8009 case ISCSI_FLASHNODE_IPV6_FLOW_LABEL:
8010 rc = sprintf(buf, "%u\n", fnode_conn->ipv6_flow_label);
8011 break;
8012 case ISCSI_FLASHNODE_LINK_LOCAL_IPV6:
8013 if (!strncmp(fnode_sess->portal_type, PORTAL_TYPE_IPV6, 4))
8014 rc = sprintf(buf, "%pI6\n",
8015 fnode_conn->link_local_ipv6_addr);
8016 else
8017 rc = sprintf(buf, "\n");
8018 break;
8019 case ISCSI_FLASHNODE_DISCOVERY_PARENT_IDX:
8020 rc = sprintf(buf, "%u\n", fnode_sess->discovery_parent_idx);
8021 break;
8022 case ISCSI_FLASHNODE_DISCOVERY_PARENT_TYPE:
8023 if (fnode_sess->discovery_parent_type == DDB_ISNS)
8024 parent_type = ISCSI_DISC_PARENT_ISNS;
8025 else if (fnode_sess->discovery_parent_type == DDB_NO_LINK)
8026 parent_type = ISCSI_DISC_PARENT_UNKNOWN;
8027 else if (fnode_sess->discovery_parent_type < MAX_DDB_ENTRIES)
8028 parent_type = ISCSI_DISC_PARENT_SENDTGT;
8029 else
8030 parent_type = ISCSI_DISC_PARENT_UNKNOWN;
8031
8032 rc = sprintf(buf, "%s\n",
8033 iscsi_get_discovery_parent_name(parent_type));
8034 break;
8035 case ISCSI_FLASHNODE_NAME:
8036 if (fnode_sess->targetname)
8037 rc = sprintf(buf, "%s\n", fnode_sess->targetname);
8038 else
8039 rc = sprintf(buf, "\n");
8040 break;
8041 case ISCSI_FLASHNODE_TPGT:
8042 rc = sprintf(buf, "%u\n", fnode_sess->tpgt);
8043 break;
8044 case ISCSI_FLASHNODE_TCP_XMIT_WSF:
8045 rc = sprintf(buf, "%u\n", fnode_conn->tcp_xmit_wsf);
8046 break;
8047 case ISCSI_FLASHNODE_TCP_RECV_WSF:
8048 rc = sprintf(buf, "%u\n", fnode_conn->tcp_recv_wsf);
8049 break;
8050 case ISCSI_FLASHNODE_CHAP_OUT_IDX:
8051 rc = sprintf(buf, "%u\n", fnode_sess->chap_out_idx);
8052 break;
8053 case ISCSI_FLASHNODE_USERNAME:
8054 if (fnode_sess->chap_auth_en) {
8055 qla4xxx_get_uni_chap_at_index(ha,
8056 chap_tbl.name,
8057 chap_tbl.secret,
8058 fnode_sess->chap_out_idx);
8059 rc = sprintf(buf, "%s\n", chap_tbl.name);
8060 } else {
8061 rc = sprintf(buf, "\n");
8062 }
8063 break;
8064 case ISCSI_FLASHNODE_PASSWORD:
8065 if (fnode_sess->chap_auth_en) {
8066 qla4xxx_get_uni_chap_at_index(ha,
8067 chap_tbl.name,
8068 chap_tbl.secret,
8069 fnode_sess->chap_out_idx);
8070 rc = sprintf(buf, "%s\n", chap_tbl.secret);
8071 } else {
8072 rc = sprintf(buf, "\n");
8073 }
8074 break;
8075 case ISCSI_FLASHNODE_STATSN:
8076 rc = sprintf(buf, "%u\n", fnode_conn->statsn);
8077 break;
8078 case ISCSI_FLASHNODE_EXP_STATSN:
8079 rc = sprintf(buf, "%u\n", fnode_conn->exp_statsn);
8080 break;
8081 case ISCSI_FLASHNODE_IS_BOOT_TGT:
8082 rc = sprintf(buf, "%u\n", fnode_sess->is_boot_target);
8083 break;
8084 default:
8085 rc = -ENOSYS;
8086 break;
8087 }
8088
8089 put_device(dev);
8090 return rc;
8091}
8092
8093
8094
8095
8096
8097
8098
8099
8100
8101
8102static int
8103qla4xxx_sysfs_ddb_set_param(struct iscsi_bus_flash_session *fnode_sess,
8104 struct iscsi_bus_flash_conn *fnode_conn,
8105 void *data, int len)
8106{
8107 struct Scsi_Host *shost = iscsi_flash_session_to_shost(fnode_sess);
8108 struct scsi_qla_host *ha = to_qla_host(shost);
8109 struct iscsi_flashnode_param_info *fnode_param;
8110 struct ql4_chap_table chap_tbl;
8111 struct nlattr *attr;
8112 uint16_t chap_out_idx = INVALID_ENTRY;
8113 int rc = QLA_ERROR;
8114 uint32_t rem = len;
8115
8116 memset((void *)&chap_tbl, 0, sizeof(chap_tbl));
8117 nla_for_each_attr(attr, data, len, rem) {
8118 fnode_param = nla_data(attr);
8119
8120 switch (fnode_param->param) {
8121 case ISCSI_FLASHNODE_IS_FW_ASSIGNED_IPV6:
8122 fnode_conn->is_fw_assigned_ipv6 = fnode_param->value[0];
8123 break;
8124 case ISCSI_FLASHNODE_PORTAL_TYPE:
8125 memcpy(fnode_sess->portal_type, fnode_param->value,
8126 strlen(fnode_sess->portal_type));
8127 break;
8128 case ISCSI_FLASHNODE_AUTO_SND_TGT_DISABLE:
8129 fnode_sess->auto_snd_tgt_disable =
8130 fnode_param->value[0];
8131 break;
8132 case ISCSI_FLASHNODE_DISCOVERY_SESS:
8133 fnode_sess->discovery_sess = fnode_param->value[0];
8134 break;
8135 case ISCSI_FLASHNODE_ENTRY_EN:
8136 fnode_sess->entry_state = fnode_param->value[0];
8137 break;
8138 case ISCSI_FLASHNODE_HDR_DGST_EN:
8139 fnode_conn->hdrdgst_en = fnode_param->value[0];
8140 break;
8141 case ISCSI_FLASHNODE_DATA_DGST_EN:
8142 fnode_conn->datadgst_en = fnode_param->value[0];
8143 break;
8144 case ISCSI_FLASHNODE_IMM_DATA_EN:
8145 fnode_sess->imm_data_en = fnode_param->value[0];
8146 break;
8147 case ISCSI_FLASHNODE_INITIAL_R2T_EN:
8148 fnode_sess->initial_r2t_en = fnode_param->value[0];
8149 break;
8150 case ISCSI_FLASHNODE_DATASEQ_INORDER:
8151 fnode_sess->dataseq_inorder_en = fnode_param->value[0];
8152 break;
8153 case ISCSI_FLASHNODE_PDU_INORDER:
8154 fnode_sess->pdu_inorder_en = fnode_param->value[0];
8155 break;
8156 case ISCSI_FLASHNODE_CHAP_AUTH_EN:
8157 fnode_sess->chap_auth_en = fnode_param->value[0];
8158
8159 if (!fnode_sess->chap_auth_en)
8160 fnode_sess->chap_out_idx = INVALID_ENTRY;
8161
8162 break;
8163 case ISCSI_FLASHNODE_SNACK_REQ_EN:
8164 fnode_conn->snack_req_en = fnode_param->value[0];
8165 break;
8166 case ISCSI_FLASHNODE_DISCOVERY_LOGOUT_EN:
8167 fnode_sess->discovery_logout_en = fnode_param->value[0];
8168 break;
8169 case ISCSI_FLASHNODE_BIDI_CHAP_EN:
8170 fnode_sess->bidi_chap_en = fnode_param->value[0];
8171 break;
8172 case ISCSI_FLASHNODE_DISCOVERY_AUTH_OPTIONAL:
8173 fnode_sess->discovery_auth_optional =
8174 fnode_param->value[0];
8175 break;
8176 case ISCSI_FLASHNODE_ERL:
8177 fnode_sess->erl = fnode_param->value[0];
8178 break;
8179 case ISCSI_FLASHNODE_TCP_TIMESTAMP_STAT:
8180 fnode_conn->tcp_timestamp_stat = fnode_param->value[0];
8181 break;
8182 case ISCSI_FLASHNODE_TCP_NAGLE_DISABLE:
8183 fnode_conn->tcp_nagle_disable = fnode_param->value[0];
8184 break;
8185 case ISCSI_FLASHNODE_TCP_WSF_DISABLE:
8186 fnode_conn->tcp_wsf_disable = fnode_param->value[0];
8187 break;
8188 case ISCSI_FLASHNODE_TCP_TIMER_SCALE:
8189 fnode_conn->tcp_timer_scale = fnode_param->value[0];
8190 break;
8191 case ISCSI_FLASHNODE_TCP_TIMESTAMP_EN:
8192 fnode_conn->tcp_timestamp_en = fnode_param->value[0];
8193 break;
8194 case ISCSI_FLASHNODE_IP_FRAG_DISABLE:
8195 fnode_conn->fragment_disable = fnode_param->value[0];
8196 break;
8197 case ISCSI_FLASHNODE_MAX_RECV_DLENGTH:
8198 fnode_conn->max_recv_dlength =
8199 *(unsigned *)fnode_param->value;
8200 break;
8201 case ISCSI_FLASHNODE_MAX_XMIT_DLENGTH:
8202 fnode_conn->max_xmit_dlength =
8203 *(unsigned *)fnode_param->value;
8204 break;
8205 case ISCSI_FLASHNODE_FIRST_BURST:
8206 fnode_sess->first_burst =
8207 *(unsigned *)fnode_param->value;
8208 break;
8209 case ISCSI_FLASHNODE_DEF_TIME2WAIT:
8210 fnode_sess->time2wait = *(uint16_t *)fnode_param->value;
8211 break;
8212 case ISCSI_FLASHNODE_DEF_TIME2RETAIN:
8213 fnode_sess->time2retain =
8214 *(uint16_t *)fnode_param->value;
8215 break;
8216 case ISCSI_FLASHNODE_MAX_R2T:
8217 fnode_sess->max_r2t =
8218 *(uint16_t *)fnode_param->value;
8219 break;
8220 case ISCSI_FLASHNODE_KEEPALIVE_TMO:
8221 fnode_conn->keepalive_timeout =
8222 *(uint16_t *)fnode_param->value;
8223 break;
8224 case ISCSI_FLASHNODE_ISID:
8225 memcpy(fnode_sess->isid, fnode_param->value,
8226 sizeof(fnode_sess->isid));
8227 break;
8228 case ISCSI_FLASHNODE_TSID:
8229 fnode_sess->tsid = *(uint16_t *)fnode_param->value;
8230 break;
8231 case ISCSI_FLASHNODE_PORT:
8232 fnode_conn->port = *(uint16_t *)fnode_param->value;
8233 break;
8234 case ISCSI_FLASHNODE_MAX_BURST:
8235 fnode_sess->max_burst = *(unsigned *)fnode_param->value;
8236 break;
8237 case ISCSI_FLASHNODE_DEF_TASKMGMT_TMO:
8238 fnode_sess->default_taskmgmt_timeout =
8239 *(uint16_t *)fnode_param->value;
8240 break;
8241 case ISCSI_FLASHNODE_IPADDR:
8242 memcpy(fnode_conn->ipaddress, fnode_param->value,
8243 IPv6_ADDR_LEN);
8244 break;
8245 case ISCSI_FLASHNODE_ALIAS:
8246 rc = iscsi_switch_str_param(&fnode_sess->targetalias,
8247 (char *)fnode_param->value);
8248 break;
8249 case ISCSI_FLASHNODE_REDIRECT_IPADDR:
8250 memcpy(fnode_conn->redirect_ipaddr, fnode_param->value,
8251 IPv6_ADDR_LEN);
8252 break;
8253 case ISCSI_FLASHNODE_MAX_SEGMENT_SIZE:
8254 fnode_conn->max_segment_size =
8255 *(unsigned *)fnode_param->value;
8256 break;
8257 case ISCSI_FLASHNODE_LOCAL_PORT:
8258 fnode_conn->local_port =
8259 *(uint16_t *)fnode_param->value;
8260 break;
8261 case ISCSI_FLASHNODE_IPV4_TOS:
8262 fnode_conn->ipv4_tos = fnode_param->value[0];
8263 break;
8264 case ISCSI_FLASHNODE_IPV6_TC:
8265 fnode_conn->ipv6_traffic_class = fnode_param->value[0];
8266 break;
8267 case ISCSI_FLASHNODE_IPV6_FLOW_LABEL:
8268 fnode_conn->ipv6_flow_label = fnode_param->value[0];
8269 break;
8270 case ISCSI_FLASHNODE_NAME:
8271 rc = iscsi_switch_str_param(&fnode_sess->targetname,
8272 (char *)fnode_param->value);
8273 break;
8274 case ISCSI_FLASHNODE_TPGT:
8275 fnode_sess->tpgt = *(uint16_t *)fnode_param->value;
8276 break;
8277 case ISCSI_FLASHNODE_LINK_LOCAL_IPV6:
8278 memcpy(fnode_conn->link_local_ipv6_addr,
8279 fnode_param->value, IPv6_ADDR_LEN);
8280 break;
8281 case ISCSI_FLASHNODE_DISCOVERY_PARENT_IDX:
8282 fnode_sess->discovery_parent_idx =
8283 *(uint16_t *)fnode_param->value;
8284 break;
8285 case ISCSI_FLASHNODE_TCP_XMIT_WSF:
8286 fnode_conn->tcp_xmit_wsf =
8287 *(uint8_t *)fnode_param->value;
8288 break;
8289 case ISCSI_FLASHNODE_TCP_RECV_WSF:
8290 fnode_conn->tcp_recv_wsf =
8291 *(uint8_t *)fnode_param->value;
8292 break;
8293 case ISCSI_FLASHNODE_STATSN:
8294 fnode_conn->statsn = *(uint32_t *)fnode_param->value;
8295 break;
8296 case ISCSI_FLASHNODE_EXP_STATSN:
8297 fnode_conn->exp_statsn =
8298 *(uint32_t *)fnode_param->value;
8299 break;
8300 case ISCSI_FLASHNODE_CHAP_OUT_IDX:
8301 chap_out_idx = *(uint16_t *)fnode_param->value;
8302 if (!qla4xxx_get_uni_chap_at_index(ha,
8303 chap_tbl.name,
8304 chap_tbl.secret,
8305 chap_out_idx)) {
8306 fnode_sess->chap_out_idx = chap_out_idx;
8307
8308 fnode_sess->chap_auth_en = QL4_PARAM_ENABLE;
8309 }
8310 break;
8311 default:
8312 ql4_printk(KERN_ERR, ha,
8313 "%s: No such sysfs attribute\n", __func__);
8314 rc = -ENOSYS;
8315 goto exit_set_param;
8316 }
8317 }
8318
8319 rc = qla4xxx_sysfs_ddb_apply(fnode_sess, fnode_conn);
8320
8321exit_set_param:
8322 return rc;
8323}
8324
8325
8326
8327
8328
8329
8330
8331static int qla4xxx_sysfs_ddb_delete(struct iscsi_bus_flash_session *fnode_sess)
8332{
8333 struct Scsi_Host *shost = iscsi_flash_session_to_shost(fnode_sess);
8334 struct scsi_qla_host *ha = to_qla_host(shost);
8335 uint32_t dev_db_start_offset;
8336 uint32_t dev_db_end_offset;
8337 struct dev_db_entry *fw_ddb_entry = NULL;
8338 dma_addr_t fw_ddb_entry_dma;
8339 uint16_t *ddb_cookie = NULL;
8340 size_t ddb_size = 0;
8341 void *pddb = NULL;
8342 int target_id;
8343 int rc = 0;
8344
8345 if (fnode_sess->is_boot_target) {
8346 rc = -EPERM;
8347 DEBUG2(ql4_printk(KERN_ERR, ha,
8348 "%s: Deletion of boot target entry is not permitted.\n",
8349 __func__));
8350 goto exit_ddb_del;
8351 }
8352
8353 if (fnode_sess->flash_state == DEV_DB_NON_PERSISTENT)
8354 goto sysfs_ddb_del;
8355
8356 if (is_qla40XX(ha)) {
8357 dev_db_start_offset = FLASH_OFFSET_DB_INFO;
8358 dev_db_end_offset = FLASH_OFFSET_DB_END;
8359 dev_db_start_offset += (fnode_sess->target_id *
8360 sizeof(*fw_ddb_entry));
8361 ddb_size = sizeof(*fw_ddb_entry);
8362 } else {
8363 dev_db_start_offset = FLASH_RAW_ACCESS_ADDR +
8364 (ha->hw.flt_region_ddb << 2);
8365
8366
8367
8368 if (ha->port_num == 1)
8369 dev_db_start_offset += (ha->hw.flt_ddb_size / 2);
8370
8371 dev_db_end_offset = dev_db_start_offset +
8372 (ha->hw.flt_ddb_size / 2);
8373
8374 dev_db_start_offset += (fnode_sess->target_id *
8375 sizeof(*fw_ddb_entry));
8376 dev_db_start_offset += offsetof(struct dev_db_entry, cookie);
8377
8378 ddb_size = sizeof(*ddb_cookie);
8379 }
8380
8381 DEBUG2(ql4_printk(KERN_ERR, ha, "%s: start offset=%u, end offset=%u\n",
8382 __func__, dev_db_start_offset, dev_db_end_offset));
8383
8384 if (dev_db_start_offset > dev_db_end_offset) {
8385 rc = -EIO;
8386 DEBUG2(ql4_printk(KERN_ERR, ha, "%s:Invalid DDB index %u\n",
8387 __func__, fnode_sess->target_id));
8388 goto exit_ddb_del;
8389 }
8390
8391 pddb = dma_alloc_coherent(&ha->pdev->dev, ddb_size,
8392 &fw_ddb_entry_dma, GFP_KERNEL);
8393 if (!pddb) {
8394 rc = -ENOMEM;
8395 DEBUG2(ql4_printk(KERN_ERR, ha,
8396 "%s: Unable to allocate dma buffer\n",
8397 __func__));
8398 goto exit_ddb_del;
8399 }
8400
8401 if (is_qla40XX(ha)) {
8402 fw_ddb_entry = pddb;
8403 memset(fw_ddb_entry, 0, ddb_size);
8404 ddb_cookie = &fw_ddb_entry->cookie;
8405 } else {
8406 ddb_cookie = pddb;
8407 }
8408
8409
8410 *ddb_cookie = 0xFFEE;
8411 qla4xxx_set_flash(ha, fw_ddb_entry_dma, dev_db_start_offset,
8412 ddb_size, FLASH_OPT_RMW_COMMIT);
8413
8414sysfs_ddb_del:
8415 target_id = fnode_sess->target_id;
8416 iscsi_destroy_flashnode_sess(fnode_sess);
8417 ql4_printk(KERN_INFO, ha,
8418 "%s: session and conn entries for flashnode %u of host %lu deleted\n",
8419 __func__, target_id, ha->host_no);
8420exit_ddb_del:
8421 if (pddb)
8422 dma_free_coherent(&ha->pdev->dev, ddb_size, pddb,
8423 fw_ddb_entry_dma);
8424 return rc;
8425}
8426
8427
8428
8429
8430
8431
8432
8433int qla4xxx_sysfs_ddb_export(struct scsi_qla_host *ha)
8434{
8435 struct dev_db_entry *fw_ddb_entry = NULL;
8436 dma_addr_t fw_ddb_entry_dma;
8437 uint16_t max_ddbs;
8438 uint16_t idx = 0;
8439 int ret = QLA_SUCCESS;
8440
8441 fw_ddb_entry = dma_alloc_coherent(&ha->pdev->dev,
8442 sizeof(*fw_ddb_entry),
8443 &fw_ddb_entry_dma, GFP_KERNEL);
8444 if (!fw_ddb_entry) {
8445 DEBUG2(ql4_printk(KERN_ERR, ha,
8446 "%s: Unable to allocate dma buffer\n",
8447 __func__));
8448 return -ENOMEM;
8449 }
8450
8451 max_ddbs = is_qla40XX(ha) ? MAX_PRST_DEV_DB_ENTRIES :
8452 MAX_DEV_DB_ENTRIES;
8453
8454 for (idx = 0; idx < max_ddbs; idx++) {
8455 if (qla4xxx_flashdb_by_index(ha, fw_ddb_entry, fw_ddb_entry_dma,
8456 idx))
8457 continue;
8458
8459 ret = qla4xxx_sysfs_ddb_tgt_create(ha, fw_ddb_entry, &idx, 0);
8460 if (ret) {
8461 ret = -EIO;
8462 break;
8463 }
8464 }
8465
8466 dma_free_coherent(&ha->pdev->dev, sizeof(*fw_ddb_entry), fw_ddb_entry,
8467 fw_ddb_entry_dma);
8468
8469 return ret;
8470}
8471
8472static void qla4xxx_sysfs_ddb_remove(struct scsi_qla_host *ha)
8473{
8474 iscsi_destroy_all_flashnode(ha->host);
8475}
8476
8477
8478
8479
8480
8481
8482
8483
8484
8485
8486
8487void qla4xxx_build_ddb_list(struct scsi_qla_host *ha, int is_reset)
8488{
8489 uint16_t tmo = 0;
8490 struct list_head list_st, list_nt;
8491 struct qla_ddb_index *st_ddb_idx, *st_ddb_idx_tmp;
8492 unsigned long wtime;
8493
8494 if (!test_bit(AF_LINK_UP, &ha->flags)) {
8495 set_bit(AF_BUILD_DDB_LIST, &ha->flags);
8496 ha->is_reset = is_reset;
8497 return;
8498 }
8499
8500 INIT_LIST_HEAD(&list_st);
8501 INIT_LIST_HEAD(&list_nt);
8502
8503 qla4xxx_build_st_list(ha, &list_st);
8504
8505
8506
8507
8508 qla4xxx_wait_for_ip_configuration(ha);
8509
8510
8511 list_for_each_entry_safe(st_ddb_idx, st_ddb_idx_tmp, &list_st, list) {
8512 qla4xxx_conn_open(ha, st_ddb_idx->fw_ddb_idx);
8513 }
8514
8515
8516 tmo = ((ha->def_timeout > LOGIN_TOV) &&
8517 (ha->def_timeout < LOGIN_TOV * 10) ?
8518 ha->def_timeout : LOGIN_TOV);
8519
8520 DEBUG2(ql4_printk(KERN_INFO, ha,
8521 "Default time to wait for build ddb %d\n", tmo));
8522
8523 wtime = jiffies + (HZ * tmo);
8524 do {
8525 if (list_empty(&list_st))
8526 break;
8527
8528 qla4xxx_remove_failed_ddb(ha, &list_st);
8529 schedule_timeout_uninterruptible(HZ / 10);
8530 } while (time_after(wtime, jiffies));
8531
8532
8533 qla4xxx_build_nt_list(ha, &list_nt, &list_st, is_reset);
8534
8535 qla4xxx_free_ddb_list(&list_st);
8536 qla4xxx_free_ddb_list(&list_nt);
8537
8538 qla4xxx_free_ddb_index(ha);
8539}
8540
8541
8542
8543
8544
8545
8546
8547
8548
8549
8550static void qla4xxx_wait_login_resp_boot_tgt(struct scsi_qla_host *ha)
8551{
8552 struct ddb_entry *ddb_entry;
8553 struct dev_db_entry *fw_ddb_entry = NULL;
8554 dma_addr_t fw_ddb_entry_dma;
8555 unsigned long wtime;
8556 uint32_t ddb_state;
8557 int max_ddbs, idx, ret;
8558
8559 max_ddbs = is_qla40XX(ha) ? MAX_DEV_DB_ENTRIES_40XX :
8560 MAX_DEV_DB_ENTRIES;
8561
8562 fw_ddb_entry = dma_alloc_coherent(&ha->pdev->dev, sizeof(*fw_ddb_entry),
8563 &fw_ddb_entry_dma, GFP_KERNEL);
8564 if (!fw_ddb_entry) {
8565 ql4_printk(KERN_ERR, ha,
8566 "%s: Unable to allocate dma buffer\n", __func__);
8567 goto exit_login_resp;
8568 }
8569
8570 wtime = jiffies + (HZ * BOOT_LOGIN_RESP_TOV);
8571
8572 for (idx = 0; idx < max_ddbs; idx++) {
8573 ddb_entry = qla4xxx_lookup_ddb_by_fw_index(ha, idx);
8574 if (ddb_entry == NULL)
8575 continue;
8576
8577 if (test_bit(DF_BOOT_TGT, &ddb_entry->flags)) {
8578 DEBUG2(ql4_printk(KERN_INFO, ha,
8579 "%s: DDB index [%d]\n", __func__,
8580 ddb_entry->fw_ddb_index));
8581 do {
8582 ret = qla4xxx_get_fwddb_entry(ha,
8583 ddb_entry->fw_ddb_index,
8584 fw_ddb_entry, fw_ddb_entry_dma,
8585 NULL, NULL, &ddb_state, NULL,
8586 NULL, NULL);
8587 if (ret == QLA_ERROR)
8588 goto exit_login_resp;
8589
8590 if ((ddb_state == DDB_DS_SESSION_ACTIVE) ||
8591 (ddb_state == DDB_DS_SESSION_FAILED))
8592 break;
8593
8594 schedule_timeout_uninterruptible(HZ);
8595
8596 } while ((time_after(wtime, jiffies)));
8597
8598 if (!time_after(wtime, jiffies)) {
8599 DEBUG2(ql4_printk(KERN_INFO, ha,
8600 "%s: Login response wait timer expired\n",
8601 __func__));
8602 goto exit_login_resp;
8603 }
8604 }
8605 }
8606
8607exit_login_resp:
8608 if (fw_ddb_entry)
8609 dma_free_coherent(&ha->pdev->dev, sizeof(*fw_ddb_entry),
8610 fw_ddb_entry, fw_ddb_entry_dma);
8611}
8612
8613
8614
8615
8616
8617
8618
8619
8620
8621
8622static int qla4xxx_probe_adapter(struct pci_dev *pdev,
8623 const struct pci_device_id *ent)
8624{
8625 int ret = -ENODEV, status;
8626 struct Scsi_Host *host;
8627 struct scsi_qla_host *ha;
8628 uint8_t init_retry_count = 0;
8629 char buf[34];
8630 struct qla4_8xxx_legacy_intr_set *nx_legacy_intr;
8631 uint32_t dev_state;
8632
8633 if (pci_enable_device(pdev))
8634 return -1;
8635
8636 host = iscsi_host_alloc(&qla4xxx_driver_template, sizeof(*ha), 0);
8637 if (host == NULL) {
8638 printk(KERN_WARNING
8639 "qla4xxx: Couldn't allocate host from scsi layer!\n");
8640 goto probe_disable_device;
8641 }
8642
8643
8644 ha = to_qla_host(host);
8645 memset(ha, 0, sizeof(*ha));
8646
8647
8648 ha->pdev = pdev;
8649 ha->host = host;
8650 ha->host_no = host->host_no;
8651 ha->func_num = PCI_FUNC(ha->pdev->devfn);
8652
8653 pci_enable_pcie_error_reporting(pdev);
8654
8655
8656 if (is_qla8022(ha)) {
8657 ha->isp_ops = &qla4_82xx_isp_ops;
8658 ha->reg_tbl = (uint32_t *) qla4_82xx_reg_tbl;
8659 ha->qdr_sn_window = -1;
8660 ha->ddr_mn_window = -1;
8661 ha->curr_window = 255;
8662 nx_legacy_intr = &legacy_intr[ha->func_num];
8663 ha->nx_legacy_intr.int_vec_bit = nx_legacy_intr->int_vec_bit;
8664 ha->nx_legacy_intr.tgt_status_reg =
8665 nx_legacy_intr->tgt_status_reg;
8666 ha->nx_legacy_intr.tgt_mask_reg = nx_legacy_intr->tgt_mask_reg;
8667 ha->nx_legacy_intr.pci_int_reg = nx_legacy_intr->pci_int_reg;
8668 } else if (is_qla8032(ha) || is_qla8042(ha)) {
8669 ha->isp_ops = &qla4_83xx_isp_ops;
8670 ha->reg_tbl = (uint32_t *)qla4_83xx_reg_tbl;
8671 } else {
8672 ha->isp_ops = &qla4xxx_isp_ops;
8673 }
8674
8675 if (is_qla80XX(ha)) {
8676 rwlock_init(&ha->hw_lock);
8677 ha->pf_bit = ha->func_num << 16;
8678
8679 pdev->needs_freset = 1;
8680 }
8681
8682
8683 ret = ha->isp_ops->iospace_config(ha);
8684 if (ret)
8685 goto probe_failed_ioconfig;
8686
8687 ql4_printk(KERN_INFO, ha, "Found an ISP%04x, irq %d, iobase 0x%p\n",
8688 pdev->device, pdev->irq, ha->reg);
8689
8690 qla4xxx_config_dma_addressing(ha);
8691
8692
8693 INIT_LIST_HEAD(&ha->free_srb_q);
8694
8695 mutex_init(&ha->mbox_sem);
8696 mutex_init(&ha->chap_sem);
8697 init_completion(&ha->mbx_intr_comp);
8698 init_completion(&ha->disable_acb_comp);
8699 init_completion(&ha->idc_comp);
8700 init_completion(&ha->link_up_comp);
8701 init_completion(&ha->disable_acb_comp);
8702
8703 spin_lock_init(&ha->hardware_lock);
8704 spin_lock_init(&ha->work_lock);
8705
8706
8707 INIT_LIST_HEAD(&ha->work_list);
8708
8709
8710 if (qla4xxx_mem_alloc(ha)) {
8711 ql4_printk(KERN_WARNING, ha,
8712 "[ERROR] Failed to allocate memory for adapter\n");
8713
8714 ret = -ENOMEM;
8715 goto probe_failed;
8716 }
8717
8718 host->cmd_per_lun = 3;
8719 host->max_channel = 0;
8720 host->max_lun = MAX_LUNS - 1;
8721 host->max_id = MAX_TARGETS;
8722 host->max_cmd_len = IOCB_MAX_CDB_LEN;
8723 host->can_queue = MAX_SRBS ;
8724 host->transportt = qla4xxx_scsi_transport;
8725
8726 ret = scsi_init_shared_tag_map(host, MAX_SRBS);
8727 if (ret) {
8728 ql4_printk(KERN_WARNING, ha,
8729 "%s: scsi_init_shared_tag_map failed\n", __func__);
8730 goto probe_failed;
8731 }
8732
8733 pci_set_drvdata(pdev, ha);
8734
8735 ret = scsi_add_host(host, &pdev->dev);
8736 if (ret)
8737 goto probe_failed;
8738
8739 if (is_qla80XX(ha))
8740 qla4_8xxx_get_flash_info(ha);
8741
8742 if (is_qla8032(ha) || is_qla8042(ha)) {
8743 qla4_83xx_read_reset_template(ha);
8744
8745
8746
8747
8748
8749
8750 if (ql4xdontresethba == 1)
8751 qla4_83xx_set_idc_dontreset(ha);
8752 }
8753
8754
8755
8756
8757
8758
8759 status = qla4xxx_initialize_adapter(ha, INIT_ADAPTER);
8760
8761
8762 if (is_qla80XX(ha) && (status == QLA_ERROR))
8763 goto skip_retry_init;
8764
8765 while ((!test_bit(AF_ONLINE, &ha->flags)) &&
8766 init_retry_count++ < MAX_INIT_RETRIES) {
8767
8768 if (is_qla80XX(ha)) {
8769 ha->isp_ops->idc_lock(ha);
8770 dev_state = qla4_8xxx_rd_direct(ha,
8771 QLA8XXX_CRB_DEV_STATE);
8772 ha->isp_ops->idc_unlock(ha);
8773 if (dev_state == QLA8XXX_DEV_FAILED) {
8774 ql4_printk(KERN_WARNING, ha, "%s: don't retry "
8775 "initialize adapter. H/W is in failed state\n",
8776 __func__);
8777 break;
8778 }
8779 }
8780 DEBUG2(printk("scsi: %s: retrying adapter initialization "
8781 "(%d)\n", __func__, init_retry_count));
8782
8783 if (ha->isp_ops->reset_chip(ha) == QLA_ERROR)
8784 continue;
8785
8786 status = qla4xxx_initialize_adapter(ha, INIT_ADAPTER);
8787 if (is_qla80XX(ha) && (status == QLA_ERROR)) {
8788 if (qla4_8xxx_check_init_adapter_retry(ha) == QLA_ERROR)
8789 goto skip_retry_init;
8790 }
8791 }
8792
8793skip_retry_init:
8794 if (!test_bit(AF_ONLINE, &ha->flags)) {
8795 ql4_printk(KERN_WARNING, ha, "Failed to initialize adapter\n");
8796
8797 if ((is_qla8022(ha) && ql4xdontresethba) ||
8798 ((is_qla8032(ha) || is_qla8042(ha)) &&
8799 qla4_83xx_idc_dontreset(ha))) {
8800
8801 DEBUG2(printk(KERN_ERR "HW STATE: FAILED\n"));
8802 ha->isp_ops->idc_lock(ha);
8803 qla4_8xxx_wr_direct(ha, QLA8XXX_CRB_DEV_STATE,
8804 QLA8XXX_DEV_FAILED);
8805 ha->isp_ops->idc_unlock(ha);
8806 }
8807 ret = -ENODEV;
8808 goto remove_host;
8809 }
8810
8811
8812 DEBUG2(printk("scsi: %s: Starting kernel thread for "
8813 "qla4xxx_dpc\n", __func__));
8814 sprintf(buf, "qla4xxx_%lu_dpc", ha->host_no);
8815 ha->dpc_thread = create_singlethread_workqueue(buf);
8816 if (!ha->dpc_thread) {
8817 ql4_printk(KERN_WARNING, ha, "Unable to start DPC thread!\n");
8818 ret = -ENODEV;
8819 goto remove_host;
8820 }
8821 INIT_WORK(&ha->dpc_work, qla4xxx_do_dpc);
8822
8823 ha->task_wq = alloc_workqueue("qla4xxx_%lu_task", WQ_MEM_RECLAIM, 1,
8824 ha->host_no);
8825 if (!ha->task_wq) {
8826 ql4_printk(KERN_WARNING, ha, "Unable to start task thread!\n");
8827 ret = -ENODEV;
8828 goto remove_host;
8829 }
8830
8831
8832
8833
8834
8835
8836
8837 if (is_qla40XX(ha)) {
8838 ret = qla4xxx_request_irqs(ha);
8839 if (ret) {
8840 ql4_printk(KERN_WARNING, ha, "Failed to reserve "
8841 "interrupt %d already in use.\n", pdev->irq);
8842 goto remove_host;
8843 }
8844 }
8845
8846 pci_save_state(ha->pdev);
8847 ha->isp_ops->enable_intrs(ha);
8848
8849
8850 qla4xxx_start_timer(ha, qla4xxx_timer, 1);
8851
8852 set_bit(AF_INIT_DONE, &ha->flags);
8853
8854 qla4_8xxx_alloc_sysfs_attr(ha);
8855
8856 printk(KERN_INFO
8857 " QLogic iSCSI HBA Driver version: %s\n"
8858 " QLogic ISP%04x @ %s, host#=%ld, fw=%02d.%02d.%02d.%02d\n",
8859 qla4xxx_version_str, ha->pdev->device, pci_name(ha->pdev),
8860 ha->host_no, ha->fw_info.fw_major, ha->fw_info.fw_minor,
8861 ha->fw_info.fw_patch, ha->fw_info.fw_build);
8862
8863
8864 if (is_qla80XX(ha))
8865 qla4_8xxx_set_param(ha, SET_DRVR_VERSION);
8866
8867 if (qla4xxx_setup_boot_info(ha))
8868 ql4_printk(KERN_ERR, ha,
8869 "%s: No iSCSI boot target configured\n", __func__);
8870
8871 set_bit(DPC_SYSFS_DDB_EXPORT, &ha->dpc_flags);
8872
8873 qla4xxx_build_ddb_list(ha, INIT_ADAPTER);
8874 iscsi_host_for_each_session(ha->host, qla4xxx_login_flash_ddb);
8875 qla4xxx_wait_login_resp_boot_tgt(ha);
8876
8877 qla4xxx_create_chap_list(ha);
8878
8879 qla4xxx_create_ifaces(ha);
8880 return 0;
8881
8882remove_host:
8883 scsi_remove_host(ha->host);
8884
8885probe_failed:
8886 qla4xxx_free_adapter(ha);
8887
8888probe_failed_ioconfig:
8889 pci_disable_pcie_error_reporting(pdev);
8890 scsi_host_put(ha->host);
8891
8892probe_disable_device:
8893 pci_disable_device(pdev);
8894
8895 return ret;
8896}
8897
8898
8899
8900
8901
8902
8903
8904
8905
8906static void qla4xxx_prevent_other_port_reinit(struct scsi_qla_host *ha)
8907{
8908 struct scsi_qla_host *other_ha = NULL;
8909 struct pci_dev *other_pdev = NULL;
8910 int fn = ISP4XXX_PCI_FN_2;
8911
8912
8913 if (PCI_FUNC(ha->pdev->devfn) & BIT_1)
8914 fn = ISP4XXX_PCI_FN_1;
8915
8916 other_pdev =
8917 pci_get_domain_bus_and_slot(pci_domain_nr(ha->pdev->bus),
8918 ha->pdev->bus->number, PCI_DEVFN(PCI_SLOT(ha->pdev->devfn),
8919 fn));
8920
8921
8922 if (other_pdev) {
8923 if (atomic_read(&other_pdev->enable_cnt)) {
8924 other_ha = pci_get_drvdata(other_pdev);
8925 if (other_ha) {
8926 set_bit(AF_HA_REMOVAL, &other_ha->flags);
8927 DEBUG2(ql4_printk(KERN_INFO, ha, "%s: "
8928 "Prevent %s reinit\n", __func__,
8929 dev_name(&other_ha->pdev->dev)));
8930 }
8931 }
8932 pci_dev_put(other_pdev);
8933 }
8934}
8935
8936static void qla4xxx_destroy_ddb(struct scsi_qla_host *ha,
8937 struct ddb_entry *ddb_entry)
8938{
8939 struct dev_db_entry *fw_ddb_entry = NULL;
8940 dma_addr_t fw_ddb_entry_dma;
8941 unsigned long wtime;
8942 uint32_t ddb_state;
8943 int options;
8944 int status;
8945
8946 options = LOGOUT_OPTION_CLOSE_SESSION;
8947 if (qla4xxx_session_logout_ddb(ha, ddb_entry, options) == QLA_ERROR) {
8948 ql4_printk(KERN_ERR, ha, "%s: Logout failed\n", __func__);
8949 goto clear_ddb;
8950 }
8951
8952 fw_ddb_entry = dma_alloc_coherent(&ha->pdev->dev, sizeof(*fw_ddb_entry),
8953 &fw_ddb_entry_dma, GFP_KERNEL);
8954 if (!fw_ddb_entry) {
8955 ql4_printk(KERN_ERR, ha,
8956 "%s: Unable to allocate dma buffer\n", __func__);
8957 goto clear_ddb;
8958 }
8959
8960 wtime = jiffies + (HZ * LOGOUT_TOV);
8961 do {
8962 status = qla4xxx_get_fwddb_entry(ha, ddb_entry->fw_ddb_index,
8963 fw_ddb_entry, fw_ddb_entry_dma,
8964 NULL, NULL, &ddb_state, NULL,
8965 NULL, NULL);
8966 if (status == QLA_ERROR)
8967 goto free_ddb;
8968
8969 if ((ddb_state == DDB_DS_NO_CONNECTION_ACTIVE) ||
8970 (ddb_state == DDB_DS_SESSION_FAILED))
8971 goto free_ddb;
8972
8973 schedule_timeout_uninterruptible(HZ);
8974 } while ((time_after(wtime, jiffies)));
8975
8976free_ddb:
8977 dma_free_coherent(&ha->pdev->dev, sizeof(*fw_ddb_entry),
8978 fw_ddb_entry, fw_ddb_entry_dma);
8979
8980clear_ddb:
8981 qla4xxx_clear_ddb_entry(ha, ddb_entry->fw_ddb_index);
8982}
8983
8984static void qla4xxx_destroy_fw_ddb_session(struct scsi_qla_host *ha)
8985{
8986 struct ddb_entry *ddb_entry;
8987 int idx;
8988
8989 for (idx = 0; idx < MAX_DDB_ENTRIES; idx++) {
8990
8991 ddb_entry = qla4xxx_lookup_ddb_by_fw_index(ha, idx);
8992 if ((ddb_entry != NULL) &&
8993 (ddb_entry->ddb_type == FLASH_DDB)) {
8994
8995 qla4xxx_destroy_ddb(ha, ddb_entry);
8996
8997
8998
8999
9000
9001
9002 try_module_get(qla4xxx_iscsi_transport.owner);
9003 iscsi_destroy_endpoint(ddb_entry->conn->ep);
9004 qla4xxx_free_ddb(ha, ddb_entry);
9005 iscsi_session_teardown(ddb_entry->sess);
9006 }
9007 }
9008}
9009
9010
9011
9012
9013static void qla4xxx_remove_adapter(struct pci_dev *pdev)
9014{
9015 struct scsi_qla_host *ha;
9016
9017
9018
9019
9020
9021 if (!pci_is_enabled(pdev))
9022 return;
9023
9024 ha = pci_get_drvdata(pdev);
9025
9026 if (is_qla40XX(ha))
9027 qla4xxx_prevent_other_port_reinit(ha);
9028
9029
9030 qla4xxx_destroy_ifaces(ha);
9031
9032 if ((!ql4xdisablesysfsboot) && ha->boot_kset)
9033 iscsi_boot_destroy_kset(ha->boot_kset);
9034
9035 qla4xxx_destroy_fw_ddb_session(ha);
9036 qla4_8xxx_free_sysfs_attr(ha);
9037
9038 qla4xxx_sysfs_ddb_remove(ha);
9039 scsi_remove_host(ha->host);
9040
9041 qla4xxx_free_adapter(ha);
9042
9043 scsi_host_put(ha->host);
9044
9045 pci_disable_pcie_error_reporting(pdev);
9046 pci_disable_device(pdev);
9047 pci_set_drvdata(pdev, NULL);
9048}
9049
9050
9051
9052
9053
9054
9055
9056
9057static void qla4xxx_config_dma_addressing(struct scsi_qla_host *ha)
9058{
9059 int retval;
9060
9061
9062 if (pci_set_dma_mask(ha->pdev, DMA_BIT_MASK(64)) == 0) {
9063 if (pci_set_consistent_dma_mask(ha->pdev, DMA_BIT_MASK(64))) {
9064 dev_dbg(&ha->pdev->dev,
9065 "Failed to set 64 bit PCI consistent mask; "
9066 "using 32 bit.\n");
9067 retval = pci_set_consistent_dma_mask(ha->pdev,
9068 DMA_BIT_MASK(32));
9069 }
9070 } else
9071 retval = pci_set_dma_mask(ha->pdev, DMA_BIT_MASK(32));
9072}
9073
9074static int qla4xxx_slave_alloc(struct scsi_device *sdev)
9075{
9076 struct iscsi_cls_session *cls_sess;
9077 struct iscsi_session *sess;
9078 struct ddb_entry *ddb;
9079 int queue_depth = QL4_DEF_QDEPTH;
9080
9081 cls_sess = starget_to_session(sdev->sdev_target);
9082 sess = cls_sess->dd_data;
9083 ddb = sess->dd_data;
9084
9085 sdev->hostdata = ddb;
9086 sdev->tagged_supported = 1;
9087
9088 if (ql4xmaxqdepth != 0 && ql4xmaxqdepth <= 0xffffU)
9089 queue_depth = ql4xmaxqdepth;
9090
9091 scsi_activate_tcq(sdev, queue_depth);
9092 return 0;
9093}
9094
9095static int qla4xxx_slave_configure(struct scsi_device *sdev)
9096{
9097 sdev->tagged_supported = 1;
9098 return 0;
9099}
9100
9101static void qla4xxx_slave_destroy(struct scsi_device *sdev)
9102{
9103 scsi_deactivate_tcq(sdev, 1);
9104}
9105
9106static int qla4xxx_change_queue_depth(struct scsi_device *sdev, int qdepth,
9107 int reason)
9108{
9109 if (!ql4xqfulltracking)
9110 return -EOPNOTSUPP;
9111
9112 return iscsi_change_queue_depth(sdev, qdepth, reason);
9113}
9114
9115
9116
9117
9118
9119
9120
9121
9122struct srb *qla4xxx_del_from_active_array(struct scsi_qla_host *ha,
9123 uint32_t index)
9124{
9125 struct srb *srb = NULL;
9126 struct scsi_cmnd *cmd = NULL;
9127
9128 cmd = scsi_host_find_tag(ha->host, index);
9129 if (!cmd)
9130 return srb;
9131
9132 srb = (struct srb *)CMD_SP(cmd);
9133 if (!srb)
9134 return srb;
9135
9136
9137 if (srb->flags & SRB_DMA_VALID) {
9138 ha->iocb_cnt -= srb->iocb_cnt;
9139 if (srb->cmd)
9140 srb->cmd->host_scribble =
9141 (unsigned char *)(unsigned long) MAX_SRBS;
9142 }
9143 return srb;
9144}
9145
9146
9147
9148
9149
9150
9151
9152
9153
9154static int qla4xxx_eh_wait_on_command(struct scsi_qla_host *ha,
9155 struct scsi_cmnd *cmd)
9156{
9157 int done = 0;
9158 struct srb *rp;
9159 uint32_t max_wait_time = EH_WAIT_CMD_TOV;
9160 int ret = SUCCESS;
9161
9162
9163
9164
9165 if (unlikely(pci_channel_offline(ha->pdev)) ||
9166 (test_bit(AF_EEH_BUSY, &ha->flags))) {
9167 ql4_printk(KERN_WARNING, ha, "scsi%ld: Return from %s\n",
9168 ha->host_no, __func__);
9169 return ret;
9170 }
9171
9172 do {
9173
9174 rp = (struct srb *) CMD_SP(cmd);
9175 if (rp == NULL) {
9176 done++;
9177 break;
9178 }
9179
9180 msleep(2000);
9181 } while (max_wait_time--);
9182
9183 return done;
9184}
9185
9186
9187
9188
9189
9190static int qla4xxx_wait_for_hba_online(struct scsi_qla_host *ha)
9191{
9192 unsigned long wait_online;
9193
9194 wait_online = jiffies + (HBA_ONLINE_TOV * HZ);
9195 while (time_before(jiffies, wait_online)) {
9196
9197 if (adapter_up(ha))
9198 return QLA_SUCCESS;
9199
9200 msleep(2000);
9201 }
9202
9203 return QLA_ERROR;
9204}
9205
9206
9207
9208
9209
9210
9211
9212
9213
9214
9215static int qla4xxx_eh_wait_for_commands(struct scsi_qla_host *ha,
9216 struct scsi_target *stgt,
9217 struct scsi_device *sdev)
9218{
9219 int cnt;
9220 int status = 0;
9221 struct scsi_cmnd *cmd;
9222
9223
9224
9225
9226
9227 for (cnt = 0; cnt < ha->host->can_queue; cnt++) {
9228 cmd = scsi_host_find_tag(ha->host, cnt);
9229 if (cmd && stgt == scsi_target(cmd->device) &&
9230 (!sdev || sdev == cmd->device)) {
9231 if (!qla4xxx_eh_wait_on_command(ha, cmd)) {
9232 status++;
9233 break;
9234 }
9235 }
9236 }
9237 return status;
9238}
9239
9240
9241
9242
9243
9244
9245
9246
9247static int qla4xxx_eh_abort(struct scsi_cmnd *cmd)
9248{
9249 struct scsi_qla_host *ha = to_qla_host(cmd->device->host);
9250 unsigned int id = cmd->device->id;
9251 unsigned int lun = cmd->device->lun;
9252 unsigned long flags;
9253 struct srb *srb = NULL;
9254 int ret = SUCCESS;
9255 int wait = 0;
9256 int rval;
9257
9258 ql4_printk(KERN_INFO, ha, "scsi%ld:%d:%d: Abort command issued cmd=%p, cdb=0x%x\n",
9259 ha->host_no, id, lun, cmd, cmd->cmnd[0]);
9260
9261 rval = qla4xxx_isp_check_reg(ha);
9262 if (rval != QLA_SUCCESS) {
9263 ql4_printk(KERN_INFO, ha, "PCI/Register disconnect, exiting.\n");
9264 return FAILED;
9265 }
9266
9267 spin_lock_irqsave(&ha->hardware_lock, flags);
9268 srb = (struct srb *) CMD_SP(cmd);
9269 if (!srb) {
9270 spin_unlock_irqrestore(&ha->hardware_lock, flags);
9271 ql4_printk(KERN_INFO, ha, "scsi%ld:%d:%d: Specified command has already completed.\n",
9272 ha->host_no, id, lun);
9273 return SUCCESS;
9274 }
9275 kref_get(&srb->srb_ref);
9276 spin_unlock_irqrestore(&ha->hardware_lock, flags);
9277
9278 if (qla4xxx_abort_task(ha, srb) != QLA_SUCCESS) {
9279 DEBUG3(printk("scsi%ld:%d:%d: Abort_task mbx failed.\n",
9280 ha->host_no, id, lun));
9281 ret = FAILED;
9282 } else {
9283 DEBUG3(printk("scsi%ld:%d:%d: Abort_task mbx success.\n",
9284 ha->host_no, id, lun));
9285 wait = 1;
9286 }
9287
9288 kref_put(&srb->srb_ref, qla4xxx_srb_compl);
9289
9290
9291 if (wait) {
9292 if (!qla4xxx_eh_wait_on_command(ha, cmd)) {
9293 DEBUG2(printk("scsi%ld:%d:%d: Abort handler timed out\n",
9294 ha->host_no, id, lun));
9295 ret = FAILED;
9296 }
9297 }
9298
9299 ql4_printk(KERN_INFO, ha,
9300 "scsi%ld:%d:%d: Abort command - %s\n",
9301 ha->host_no, id, lun, (ret == SUCCESS) ? "succeeded" : "failed");
9302
9303 return ret;
9304}
9305
9306
9307
9308
9309
9310
9311
9312
9313static int qla4xxx_eh_device_reset(struct scsi_cmnd *cmd)
9314{
9315 struct scsi_qla_host *ha = to_qla_host(cmd->device->host);
9316 struct ddb_entry *ddb_entry = cmd->device->hostdata;
9317 int ret = FAILED, stat;
9318 int rval;
9319
9320 if (!ddb_entry)
9321 return ret;
9322
9323 ret = iscsi_block_scsi_eh(cmd);
9324 if (ret)
9325 return ret;
9326 ret = FAILED;
9327
9328 ql4_printk(KERN_INFO, ha,
9329 "scsi%ld:%d:%d:%d: DEVICE RESET ISSUED.\n", ha->host_no,
9330 cmd->device->channel, cmd->device->id, cmd->device->lun);
9331
9332 DEBUG2(printk(KERN_INFO
9333 "scsi%ld: DEVICE_RESET cmd=%p jiffies = 0x%lx, to=%x,"
9334 "dpc_flags=%lx, status=%x allowed=%d\n", ha->host_no,
9335 cmd, jiffies, cmd->request->timeout / HZ,
9336 ha->dpc_flags, cmd->result, cmd->allowed));
9337
9338 rval = qla4xxx_isp_check_reg(ha);
9339 if (rval != QLA_SUCCESS) {
9340 ql4_printk(KERN_INFO, ha, "PCI/Register disconnect, exiting.\n");
9341 return FAILED;
9342 }
9343
9344
9345 stat = qla4xxx_reset_lun(ha, ddb_entry, cmd->device->lun);
9346 if (stat != QLA_SUCCESS) {
9347 ql4_printk(KERN_INFO, ha, "DEVICE RESET FAILED. %d\n", stat);
9348 goto eh_dev_reset_done;
9349 }
9350
9351 if (qla4xxx_eh_wait_for_commands(ha, scsi_target(cmd->device),
9352 cmd->device)) {
9353 ql4_printk(KERN_INFO, ha,
9354 "DEVICE RESET FAILED - waiting for "
9355 "commands.\n");
9356 goto eh_dev_reset_done;
9357 }
9358
9359
9360 if (qla4xxx_send_marker_iocb(ha, ddb_entry, cmd->device->lun,
9361 MM_LUN_RESET) != QLA_SUCCESS)
9362 goto eh_dev_reset_done;
9363
9364 ql4_printk(KERN_INFO, ha,
9365 "scsi(%ld:%d:%d:%d): DEVICE RESET SUCCEEDED.\n",
9366 ha->host_no, cmd->device->channel, cmd->device->id,
9367 cmd->device->lun);
9368
9369 ret = SUCCESS;
9370
9371eh_dev_reset_done:
9372
9373 return ret;
9374}
9375
9376
9377
9378
9379
9380
9381
9382static int qla4xxx_eh_target_reset(struct scsi_cmnd *cmd)
9383{
9384 struct scsi_qla_host *ha = to_qla_host(cmd->device->host);
9385 struct ddb_entry *ddb_entry = cmd->device->hostdata;
9386 int stat, ret;
9387 int rval;
9388
9389 if (!ddb_entry)
9390 return FAILED;
9391
9392 ret = iscsi_block_scsi_eh(cmd);
9393 if (ret)
9394 return ret;
9395
9396 starget_printk(KERN_INFO, scsi_target(cmd->device),
9397 "WARM TARGET RESET ISSUED.\n");
9398
9399 DEBUG2(printk(KERN_INFO
9400 "scsi%ld: TARGET_DEVICE_RESET cmd=%p jiffies = 0x%lx, "
9401 "to=%x,dpc_flags=%lx, status=%x allowed=%d\n",
9402 ha->host_no, cmd, jiffies, cmd->request->timeout / HZ,
9403 ha->dpc_flags, cmd->result, cmd->allowed));
9404
9405 rval = qla4xxx_isp_check_reg(ha);
9406 if (rval != QLA_SUCCESS) {
9407 ql4_printk(KERN_INFO, ha, "PCI/Register disconnect, exiting.\n");
9408 return FAILED;
9409 }
9410
9411 stat = qla4xxx_reset_target(ha, ddb_entry);
9412 if (stat != QLA_SUCCESS) {
9413 starget_printk(KERN_INFO, scsi_target(cmd->device),
9414 "WARM TARGET RESET FAILED.\n");
9415 return FAILED;
9416 }
9417
9418 if (qla4xxx_eh_wait_for_commands(ha, scsi_target(cmd->device),
9419 NULL)) {
9420 starget_printk(KERN_INFO, scsi_target(cmd->device),
9421 "WARM TARGET DEVICE RESET FAILED - "
9422 "waiting for commands.\n");
9423 return FAILED;
9424 }
9425
9426
9427 if (qla4xxx_send_marker_iocb(ha, ddb_entry, cmd->device->lun,
9428 MM_TGT_WARM_RESET) != QLA_SUCCESS) {
9429 starget_printk(KERN_INFO, scsi_target(cmd->device),
9430 "WARM TARGET DEVICE RESET FAILED - "
9431 "marker iocb failed.\n");
9432 return FAILED;
9433 }
9434
9435 starget_printk(KERN_INFO, scsi_target(cmd->device),
9436 "WARM TARGET RESET SUCCEEDED.\n");
9437 return SUCCESS;
9438}
9439
9440
9441
9442
9443
9444
9445
9446
9447static int qla4xxx_is_eh_active(struct Scsi_Host *shost)
9448{
9449 if (shost->shost_state == SHOST_RECOVERY)
9450 return 1;
9451 return 0;
9452}
9453
9454
9455
9456
9457
9458
9459
9460
9461static int qla4xxx_eh_host_reset(struct scsi_cmnd *cmd)
9462{
9463 int return_status = FAILED;
9464 struct scsi_qla_host *ha;
9465 int rval;
9466
9467 ha = to_qla_host(cmd->device->host);
9468
9469 rval = qla4xxx_isp_check_reg(ha);
9470 if (rval != QLA_SUCCESS) {
9471 ql4_printk(KERN_INFO, ha, "PCI/Register disconnect, exiting.\n");
9472 return FAILED;
9473 }
9474
9475 if ((is_qla8032(ha) || is_qla8042(ha)) && ql4xdontresethba)
9476 qla4_83xx_set_idc_dontreset(ha);
9477
9478
9479
9480
9481
9482 if (ql4xdontresethba ||
9483 ((is_qla8032(ha) || is_qla8042(ha)) &&
9484 qla4_83xx_idc_dontreset(ha))) {
9485 DEBUG2(printk("scsi%ld: %s: Don't Reset HBA\n",
9486 ha->host_no, __func__));
9487
9488
9489 if (qla4xxx_is_eh_active(cmd->device->host))
9490 qla4xxx_abort_active_cmds(ha, DID_ABORT << 16);
9491
9492 return FAILED;
9493 }
9494
9495 ql4_printk(KERN_INFO, ha,
9496 "scsi(%ld:%d:%d:%d): HOST RESET ISSUED.\n", ha->host_no,
9497 cmd->device->channel, cmd->device->id, cmd->device->lun);
9498
9499 if (qla4xxx_wait_for_hba_online(ha) != QLA_SUCCESS) {
9500 DEBUG2(printk("scsi%ld:%d: %s: Unable to reset host. Adapter "
9501 "DEAD.\n", ha->host_no, cmd->device->channel,
9502 __func__));
9503
9504 return FAILED;
9505 }
9506
9507 if (!test_bit(DPC_RESET_HA, &ha->dpc_flags)) {
9508 if (is_qla80XX(ha))
9509 set_bit(DPC_RESET_HA_FW_CONTEXT, &ha->dpc_flags);
9510 else
9511 set_bit(DPC_RESET_HA, &ha->dpc_flags);
9512 }
9513
9514 if (qla4xxx_recover_adapter(ha) == QLA_SUCCESS)
9515 return_status = SUCCESS;
9516
9517 ql4_printk(KERN_INFO, ha, "HOST RESET %s.\n",
9518 return_status == FAILED ? "FAILED" : "SUCCEEDED");
9519
9520 return return_status;
9521}
9522
9523static int qla4xxx_context_reset(struct scsi_qla_host *ha)
9524{
9525 uint32_t mbox_cmd[MBOX_REG_COUNT];
9526 uint32_t mbox_sts[MBOX_REG_COUNT];
9527 struct addr_ctrl_blk_def *acb = NULL;
9528 uint32_t acb_len = sizeof(struct addr_ctrl_blk_def);
9529 int rval = QLA_SUCCESS;
9530 dma_addr_t acb_dma;
9531
9532 acb = dma_alloc_coherent(&ha->pdev->dev,
9533 sizeof(struct addr_ctrl_blk_def),
9534 &acb_dma, GFP_KERNEL);
9535 if (!acb) {
9536 ql4_printk(KERN_ERR, ha, "%s: Unable to alloc acb\n",
9537 __func__);
9538 rval = -ENOMEM;
9539 goto exit_port_reset;
9540 }
9541
9542 memset(acb, 0, acb_len);
9543
9544 rval = qla4xxx_get_acb(ha, acb_dma, PRIMARI_ACB, acb_len);
9545 if (rval != QLA_SUCCESS) {
9546 rval = -EIO;
9547 goto exit_free_acb;
9548 }
9549
9550 rval = qla4xxx_disable_acb(ha);
9551 if (rval != QLA_SUCCESS) {
9552 rval = -EIO;
9553 goto exit_free_acb;
9554 }
9555
9556 wait_for_completion_timeout(&ha->disable_acb_comp,
9557 DISABLE_ACB_TOV * HZ);
9558
9559 rval = qla4xxx_set_acb(ha, &mbox_cmd[0], &mbox_sts[0], acb_dma);
9560 if (rval != QLA_SUCCESS) {
9561 rval = -EIO;
9562 goto exit_free_acb;
9563 }
9564
9565exit_free_acb:
9566 dma_free_coherent(&ha->pdev->dev, sizeof(struct addr_ctrl_blk_def),
9567 acb, acb_dma);
9568exit_port_reset:
9569 DEBUG2(ql4_printk(KERN_INFO, ha, "%s %s\n", __func__,
9570 rval == QLA_SUCCESS ? "SUCCEEDED" : "FAILED"));
9571 return rval;
9572}
9573
9574static int qla4xxx_host_reset(struct Scsi_Host *shost, int reset_type)
9575{
9576 struct scsi_qla_host *ha = to_qla_host(shost);
9577 int rval = QLA_SUCCESS;
9578 uint32_t idc_ctrl;
9579
9580 if (ql4xdontresethba) {
9581 DEBUG2(ql4_printk(KERN_INFO, ha, "%s: Don't Reset HBA\n",
9582 __func__));
9583 rval = -EPERM;
9584 goto exit_host_reset;
9585 }
9586
9587 if (test_bit(DPC_RESET_HA, &ha->dpc_flags))
9588 goto recover_adapter;
9589
9590 switch (reset_type) {
9591 case SCSI_ADAPTER_RESET:
9592 set_bit(DPC_RESET_HA, &ha->dpc_flags);
9593 break;
9594 case SCSI_FIRMWARE_RESET:
9595 if (!test_bit(DPC_RESET_HA, &ha->dpc_flags)) {
9596 if (is_qla80XX(ha))
9597
9598 set_bit(DPC_RESET_HA_FW_CONTEXT,
9599 &ha->dpc_flags);
9600 else {
9601 rval = qla4xxx_context_reset(ha);
9602 goto exit_host_reset;
9603 }
9604 }
9605 break;
9606 }
9607
9608recover_adapter:
9609
9610
9611 if ((is_qla8032(ha) || is_qla8042(ha)) &&
9612 test_bit(DPC_RESET_HA, &ha->dpc_flags)) {
9613 idc_ctrl = qla4_83xx_rd_reg(ha, QLA83XX_IDC_DRV_CTRL);
9614 qla4_83xx_wr_reg(ha, QLA83XX_IDC_DRV_CTRL,
9615 (idc_ctrl | GRACEFUL_RESET_BIT1));
9616 }
9617
9618 rval = qla4xxx_recover_adapter(ha);
9619 if (rval != QLA_SUCCESS) {
9620 DEBUG2(ql4_printk(KERN_INFO, ha, "%s: recover adapter fail\n",
9621 __func__));
9622 rval = -EIO;
9623 }
9624
9625exit_host_reset:
9626 return rval;
9627}
9628
9629
9630
9631
9632
9633
9634
9635
9636
9637
9638
9639
9640
9641
9642
9643
9644static pci_ers_result_t
9645qla4xxx_pci_error_detected(struct pci_dev *pdev, pci_channel_state_t state)
9646{
9647 struct scsi_qla_host *ha = pci_get_drvdata(pdev);
9648
9649 ql4_printk(KERN_WARNING, ha, "scsi%ld: %s: error detected:state %x\n",
9650 ha->host_no, __func__, state);
9651
9652 if (!is_aer_supported(ha))
9653 return PCI_ERS_RESULT_NONE;
9654
9655 switch (state) {
9656 case pci_channel_io_normal:
9657 clear_bit(AF_EEH_BUSY, &ha->flags);
9658 return PCI_ERS_RESULT_CAN_RECOVER;
9659 case pci_channel_io_frozen:
9660 set_bit(AF_EEH_BUSY, &ha->flags);
9661 qla4xxx_mailbox_premature_completion(ha);
9662 qla4xxx_free_irqs(ha);
9663 pci_disable_device(pdev);
9664
9665 qla4xxx_abort_active_cmds(ha, DID_RESET << 16);
9666 return PCI_ERS_RESULT_NEED_RESET;
9667 case pci_channel_io_perm_failure:
9668 set_bit(AF_EEH_BUSY, &ha->flags);
9669 set_bit(AF_PCI_CHANNEL_IO_PERM_FAILURE, &ha->flags);
9670 qla4xxx_abort_active_cmds(ha, DID_NO_CONNECT << 16);
9671 return PCI_ERS_RESULT_DISCONNECT;
9672 }
9673 return PCI_ERS_RESULT_NEED_RESET;
9674}
9675
9676
9677
9678
9679
9680
9681static pci_ers_result_t
9682qla4xxx_pci_mmio_enabled(struct pci_dev *pdev)
9683{
9684 struct scsi_qla_host *ha = pci_get_drvdata(pdev);
9685
9686 if (!is_aer_supported(ha))
9687 return PCI_ERS_RESULT_NONE;
9688
9689 return PCI_ERS_RESULT_RECOVERED;
9690}
9691
9692static uint32_t qla4_8xxx_error_recovery(struct scsi_qla_host *ha)
9693{
9694 uint32_t rval = QLA_ERROR;
9695 int fn;
9696 struct pci_dev *other_pdev = NULL;
9697
9698 ql4_printk(KERN_WARNING, ha, "scsi%ld: In %s\n", ha->host_no, __func__);
9699
9700 set_bit(DPC_RESET_ACTIVE, &ha->dpc_flags);
9701
9702 if (test_bit(AF_ONLINE, &ha->flags)) {
9703 clear_bit(AF_ONLINE, &ha->flags);
9704 clear_bit(AF_LINK_UP, &ha->flags);
9705 iscsi_host_for_each_session(ha->host, qla4xxx_fail_session);
9706 qla4xxx_process_aen(ha, FLUSH_DDB_CHANGED_AENS);
9707 }
9708
9709 fn = PCI_FUNC(ha->pdev->devfn);
9710 if (is_qla8022(ha)) {
9711 while (fn > 0) {
9712 fn--;
9713 ql4_printk(KERN_INFO, ha, "scsi%ld: %s: Finding PCI device at func %x\n",
9714 ha->host_no, __func__, fn);
9715
9716
9717 other_pdev = pci_get_domain_bus_and_slot(
9718 pci_domain_nr(ha->pdev->bus),
9719 ha->pdev->bus->number,
9720 PCI_DEVFN(PCI_SLOT(ha->pdev->devfn),
9721 fn));
9722
9723 if (!other_pdev)
9724 continue;
9725
9726 if (atomic_read(&other_pdev->enable_cnt)) {
9727 ql4_printk(KERN_INFO, ha, "scsi%ld: %s: Found PCI func in enabled state%x\n",
9728 ha->host_no, __func__, fn);
9729 pci_dev_put(other_pdev);
9730 break;
9731 }
9732 pci_dev_put(other_pdev);
9733 }
9734 } else {
9735
9736 if (qla4_83xx_can_perform_reset(ha)) {
9737
9738 fn = 0;
9739 }
9740 }
9741
9742
9743
9744
9745
9746 if (!fn) {
9747 ql4_printk(KERN_INFO, ha, "scsi%ld: %s: devfn being reset "
9748 "0x%x is the owner\n", ha->host_no, __func__,
9749 ha->pdev->devfn);
9750
9751 ha->isp_ops->idc_lock(ha);
9752 qla4_8xxx_wr_direct(ha, QLA8XXX_CRB_DEV_STATE,
9753 QLA8XXX_DEV_COLD);
9754 ha->isp_ops->idc_unlock(ha);
9755
9756 rval = qla4_8xxx_update_idc_reg(ha);
9757 if (rval == QLA_ERROR) {
9758 ql4_printk(KERN_INFO, ha, "scsi%ld: %s: HW State: FAILED\n",
9759 ha->host_no, __func__);
9760 ha->isp_ops->idc_lock(ha);
9761 qla4_8xxx_wr_direct(ha, QLA8XXX_CRB_DEV_STATE,
9762 QLA8XXX_DEV_FAILED);
9763 ha->isp_ops->idc_unlock(ha);
9764 goto exit_error_recovery;
9765 }
9766
9767 clear_bit(AF_FW_RECOVERY, &ha->flags);
9768 rval = qla4xxx_initialize_adapter(ha, RESET_ADAPTER);
9769
9770 if (rval != QLA_SUCCESS) {
9771 ql4_printk(KERN_INFO, ha, "scsi%ld: %s: HW State: "
9772 "FAILED\n", ha->host_no, __func__);
9773 qla4xxx_free_irqs(ha);
9774 ha->isp_ops->idc_lock(ha);
9775 qla4_8xxx_clear_drv_active(ha);
9776 qla4_8xxx_wr_direct(ha, QLA8XXX_CRB_DEV_STATE,
9777 QLA8XXX_DEV_FAILED);
9778 ha->isp_ops->idc_unlock(ha);
9779 } else {
9780 ql4_printk(KERN_INFO, ha, "scsi%ld: %s: HW State: "
9781 "READY\n", ha->host_no, __func__);
9782 ha->isp_ops->idc_lock(ha);
9783 qla4_8xxx_wr_direct(ha, QLA8XXX_CRB_DEV_STATE,
9784 QLA8XXX_DEV_READY);
9785
9786 qla4_8xxx_wr_direct(ha, QLA8XXX_CRB_DRV_STATE, 0);
9787 qla4_8xxx_set_drv_active(ha);
9788 ha->isp_ops->idc_unlock(ha);
9789 ha->isp_ops->enable_intrs(ha);
9790 }
9791 } else {
9792 ql4_printk(KERN_INFO, ha, "scsi%ld: %s: devfn 0x%x is not "
9793 "the reset owner\n", ha->host_no, __func__,
9794 ha->pdev->devfn);
9795 if ((qla4_8xxx_rd_direct(ha, QLA8XXX_CRB_DEV_STATE) ==
9796 QLA8XXX_DEV_READY)) {
9797 clear_bit(AF_FW_RECOVERY, &ha->flags);
9798 rval = qla4xxx_initialize_adapter(ha, RESET_ADAPTER);
9799 if (rval == QLA_SUCCESS)
9800 ha->isp_ops->enable_intrs(ha);
9801 else
9802 qla4xxx_free_irqs(ha);
9803
9804 ha->isp_ops->idc_lock(ha);
9805 qla4_8xxx_set_drv_active(ha);
9806 ha->isp_ops->idc_unlock(ha);
9807 }
9808 }
9809exit_error_recovery:
9810 clear_bit(DPC_RESET_ACTIVE, &ha->dpc_flags);
9811 return rval;
9812}
9813
9814static pci_ers_result_t
9815qla4xxx_pci_slot_reset(struct pci_dev *pdev)
9816{
9817 pci_ers_result_t ret = PCI_ERS_RESULT_DISCONNECT;
9818 struct scsi_qla_host *ha = pci_get_drvdata(pdev);
9819 int rc;
9820
9821 ql4_printk(KERN_WARNING, ha, "scsi%ld: %s: slot_reset\n",
9822 ha->host_no, __func__);
9823
9824 if (!is_aer_supported(ha))
9825 return PCI_ERS_RESULT_NONE;
9826
9827
9828
9829
9830
9831 pci_restore_state(pdev);
9832
9833
9834
9835
9836 pci_save_state(pdev);
9837
9838
9839 rc = pci_enable_device(pdev);
9840 if (rc) {
9841 ql4_printk(KERN_WARNING, ha, "scsi%ld: %s: Can't re-enable "
9842 "device after reset\n", ha->host_no, __func__);
9843 goto exit_slot_reset;
9844 }
9845
9846 ha->isp_ops->disable_intrs(ha);
9847
9848 if (is_qla80XX(ha)) {
9849 if (qla4_8xxx_error_recovery(ha) == QLA_SUCCESS) {
9850 ret = PCI_ERS_RESULT_RECOVERED;
9851 goto exit_slot_reset;
9852 } else
9853 goto exit_slot_reset;
9854 }
9855
9856exit_slot_reset:
9857 ql4_printk(KERN_WARNING, ha, "scsi%ld: %s: Return=%x\n"
9858 "device after reset\n", ha->host_no, __func__, ret);
9859 return ret;
9860}
9861
9862static void
9863qla4xxx_pci_resume(struct pci_dev *pdev)
9864{
9865 struct scsi_qla_host *ha = pci_get_drvdata(pdev);
9866 int ret;
9867
9868 ql4_printk(KERN_WARNING, ha, "scsi%ld: %s: pci_resume\n",
9869 ha->host_no, __func__);
9870
9871 ret = qla4xxx_wait_for_hba_online(ha);
9872 if (ret != QLA_SUCCESS) {
9873 ql4_printk(KERN_ERR, ha, "scsi%ld: %s: the device failed to "
9874 "resume I/O from slot/link_reset\n", ha->host_no,
9875 __func__);
9876 }
9877
9878 pci_cleanup_aer_uncorrect_error_status(pdev);
9879 clear_bit(AF_EEH_BUSY, &ha->flags);
9880}
9881
9882static const struct pci_error_handlers qla4xxx_err_handler = {
9883 .error_detected = qla4xxx_pci_error_detected,
9884 .mmio_enabled = qla4xxx_pci_mmio_enabled,
9885 .slot_reset = qla4xxx_pci_slot_reset,
9886 .resume = qla4xxx_pci_resume,
9887};
9888
9889static struct pci_device_id qla4xxx_pci_tbl[] = {
9890 {
9891 .vendor = PCI_VENDOR_ID_QLOGIC,
9892 .device = PCI_DEVICE_ID_QLOGIC_ISP4010,
9893 .subvendor = PCI_ANY_ID,
9894 .subdevice = PCI_ANY_ID,
9895 },
9896 {
9897 .vendor = PCI_VENDOR_ID_QLOGIC,
9898 .device = PCI_DEVICE_ID_QLOGIC_ISP4022,
9899 .subvendor = PCI_ANY_ID,
9900 .subdevice = PCI_ANY_ID,
9901 },
9902 {
9903 .vendor = PCI_VENDOR_ID_QLOGIC,
9904 .device = PCI_DEVICE_ID_QLOGIC_ISP4032,
9905 .subvendor = PCI_ANY_ID,
9906 .subdevice = PCI_ANY_ID,
9907 },
9908 {
9909 .vendor = PCI_VENDOR_ID_QLOGIC,
9910 .device = PCI_DEVICE_ID_QLOGIC_ISP8022,
9911 .subvendor = PCI_ANY_ID,
9912 .subdevice = PCI_ANY_ID,
9913 },
9914 {
9915 .vendor = PCI_VENDOR_ID_QLOGIC,
9916 .device = PCI_DEVICE_ID_QLOGIC_ISP8324,
9917 .subvendor = PCI_ANY_ID,
9918 .subdevice = PCI_ANY_ID,
9919 },
9920 {
9921 .vendor = PCI_VENDOR_ID_QLOGIC,
9922 .device = PCI_DEVICE_ID_QLOGIC_ISP8042,
9923 .subvendor = PCI_ANY_ID,
9924 .subdevice = PCI_ANY_ID,
9925 },
9926 {0, 0},
9927};
9928MODULE_DEVICE_TABLE(pci, qla4xxx_pci_tbl);
9929
9930static struct pci_driver qla4xxx_pci_driver = {
9931 .name = DRIVER_NAME,
9932 .id_table = qla4xxx_pci_tbl,
9933 .probe = qla4xxx_probe_adapter,
9934 .remove = qla4xxx_remove_adapter,
9935 .err_handler = &qla4xxx_err_handler,
9936};
9937
9938static int __init qla4xxx_module_init(void)
9939{
9940 int ret;
9941
9942
9943 srb_cachep = kmem_cache_create("qla4xxx_srbs", sizeof(struct srb), 0,
9944 SLAB_HWCACHE_ALIGN, NULL);
9945 if (srb_cachep == NULL) {
9946 printk(KERN_ERR
9947 "%s: Unable to allocate SRB cache..."
9948 "Failing load!\n", DRIVER_NAME);
9949 ret = -ENOMEM;
9950 goto no_srp_cache;
9951 }
9952
9953
9954 strcpy(qla4xxx_version_str, QLA4XXX_DRIVER_VERSION);
9955 if (ql4xextended_error_logging)
9956 strcat(qla4xxx_version_str, "-debug");
9957
9958 qla4xxx_scsi_transport =
9959 iscsi_register_transport(&qla4xxx_iscsi_transport);
9960 if (!qla4xxx_scsi_transport){
9961 ret = -ENODEV;
9962 goto release_srb_cache;
9963 }
9964
9965 ret = pci_register_driver(&qla4xxx_pci_driver);
9966 if (ret)
9967 goto unregister_transport;
9968
9969 printk(KERN_INFO "QLogic iSCSI HBA Driver\n");
9970 return 0;
9971
9972unregister_transport:
9973 iscsi_unregister_transport(&qla4xxx_iscsi_transport);
9974release_srb_cache:
9975 kmem_cache_destroy(srb_cachep);
9976no_srp_cache:
9977 return ret;
9978}
9979
9980static void __exit qla4xxx_module_exit(void)
9981{
9982 pci_unregister_driver(&qla4xxx_pci_driver);
9983 iscsi_unregister_transport(&qla4xxx_iscsi_transport);
9984 kmem_cache_destroy(srb_cachep);
9985}
9986
9987module_init(qla4xxx_module_init);
9988module_exit(qla4xxx_module_exit);
9989
9990MODULE_AUTHOR("QLogic Corporation");
9991MODULE_DESCRIPTION("QLogic iSCSI HBA Driver");
9992MODULE_LICENSE("GPL");
9993MODULE_VERSION(QLA4XXX_DRIVER_VERSION);
9994
