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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_send_ping(struct Scsi_Host *shost, uint32_t iface_num,
272 uint32_t iface_type, uint32_t payload_size,
273 uint32_t pid, struct sockaddr *dst_addr)
274{
275 struct scsi_qla_host *ha = to_qla_host(shost);
276 struct sockaddr_in *addr;
277 struct sockaddr_in6 *addr6;
278 uint32_t options = 0;
279 uint8_t ipaddr[IPv6_ADDR_LEN];
280 int rval;
281
282 memset(ipaddr, 0, IPv6_ADDR_LEN);
283
284 if ((iface_type == ISCSI_IFACE_TYPE_IPV4) &&
285 (dst_addr->sa_family == AF_INET)) {
286 addr = (struct sockaddr_in *)dst_addr;
287 memcpy(ipaddr, &addr->sin_addr.s_addr, IP_ADDR_LEN);
288 DEBUG2(ql4_printk(KERN_INFO, ha, "%s: IPv4 Ping src: %pI4 "
289 "dest: %pI4\n", __func__,
290 &ha->ip_config.ip_address, ipaddr));
291 rval = qla4xxx_ping_iocb(ha, options, payload_size, pid,
292 ipaddr);
293 if (rval)
294 rval = -EINVAL;
295 } else if ((iface_type == ISCSI_IFACE_TYPE_IPV6) &&
296 (dst_addr->sa_family == AF_INET6)) {
297
298 addr6 = (struct sockaddr_in6 *)dst_addr;
299 memcpy(ipaddr, &addr6->sin6_addr.in6_u.u6_addr8, IPv6_ADDR_LEN);
300
301 options |= PING_IPV6_PROTOCOL_ENABLE;
302
303
304 if ((iface_num == 0) || (iface_num == 1)) {
305 DEBUG2(ql4_printk(KERN_INFO, ha, "%s: LinkLocal Ping "
306 "src: %pI6 dest: %pI6\n", __func__,
307 &ha->ip_config.ipv6_link_local_addr,
308 ipaddr));
309 options |= PING_IPV6_LINKLOCAL_ADDR;
310 rval = qla4xxx_ping_iocb(ha, options, payload_size,
311 pid, ipaddr);
312 } else {
313 ql4_printk(KERN_WARNING, ha, "%s: iface num = %d "
314 "not supported\n", __func__, iface_num);
315 rval = -ENOSYS;
316 goto exit_send_ping;
317 }
318
319
320
321
322
323 if (rval != QLA_SUCCESS) {
324 options &= ~PING_IPV6_LINKLOCAL_ADDR;
325 if (iface_num == 0) {
326 options |= PING_IPV6_ADDR0;
327 DEBUG2(ql4_printk(KERN_INFO, ha, "%s: IPv6 "
328 "Ping src: %pI6 "
329 "dest: %pI6\n", __func__,
330 &ha->ip_config.ipv6_addr0,
331 ipaddr));
332 } else if (iface_num == 1) {
333 options |= PING_IPV6_ADDR1;
334 DEBUG2(ql4_printk(KERN_INFO, ha, "%s: IPv6 "
335 "Ping src: %pI6 "
336 "dest: %pI6\n", __func__,
337 &ha->ip_config.ipv6_addr1,
338 ipaddr));
339 }
340 rval = qla4xxx_ping_iocb(ha, options, payload_size,
341 pid, ipaddr);
342 if (rval)
343 rval = -EINVAL;
344 }
345 } else
346 rval = -ENOSYS;
347exit_send_ping:
348 return rval;
349}
350
351static umode_t qla4_attr_is_visible(int param_type, int param)
352{
353 switch (param_type) {
354 case ISCSI_HOST_PARAM:
355 switch (param) {
356 case ISCSI_HOST_PARAM_HWADDRESS:
357 case ISCSI_HOST_PARAM_IPADDRESS:
358 case ISCSI_HOST_PARAM_INITIATOR_NAME:
359 case ISCSI_HOST_PARAM_PORT_STATE:
360 case ISCSI_HOST_PARAM_PORT_SPEED:
361 return S_IRUGO;
362 default:
363 return 0;
364 }
365 case ISCSI_PARAM:
366 switch (param) {
367 case ISCSI_PARAM_PERSISTENT_ADDRESS:
368 case ISCSI_PARAM_PERSISTENT_PORT:
369 case ISCSI_PARAM_CONN_ADDRESS:
370 case ISCSI_PARAM_CONN_PORT:
371 case ISCSI_PARAM_TARGET_NAME:
372 case ISCSI_PARAM_TPGT:
373 case ISCSI_PARAM_TARGET_ALIAS:
374 case ISCSI_PARAM_MAX_BURST:
375 case ISCSI_PARAM_MAX_R2T:
376 case ISCSI_PARAM_FIRST_BURST:
377 case ISCSI_PARAM_MAX_RECV_DLENGTH:
378 case ISCSI_PARAM_MAX_XMIT_DLENGTH:
379 case ISCSI_PARAM_IFACE_NAME:
380 case ISCSI_PARAM_CHAP_OUT_IDX:
381 case ISCSI_PARAM_CHAP_IN_IDX:
382 case ISCSI_PARAM_USERNAME:
383 case ISCSI_PARAM_PASSWORD:
384 case ISCSI_PARAM_USERNAME_IN:
385 case ISCSI_PARAM_PASSWORD_IN:
386 case ISCSI_PARAM_AUTO_SND_TGT_DISABLE:
387 case ISCSI_PARAM_DISCOVERY_SESS:
388 case ISCSI_PARAM_PORTAL_TYPE:
389 case ISCSI_PARAM_CHAP_AUTH_EN:
390 case ISCSI_PARAM_DISCOVERY_LOGOUT_EN:
391 case ISCSI_PARAM_BIDI_CHAP_EN:
392 case ISCSI_PARAM_DISCOVERY_AUTH_OPTIONAL:
393 case ISCSI_PARAM_DEF_TIME2WAIT:
394 case ISCSI_PARAM_DEF_TIME2RETAIN:
395 case ISCSI_PARAM_HDRDGST_EN:
396 case ISCSI_PARAM_DATADGST_EN:
397 case ISCSI_PARAM_INITIAL_R2T_EN:
398 case ISCSI_PARAM_IMM_DATA_EN:
399 case ISCSI_PARAM_PDU_INORDER_EN:
400 case ISCSI_PARAM_DATASEQ_INORDER_EN:
401 case ISCSI_PARAM_MAX_SEGMENT_SIZE:
402 case ISCSI_PARAM_TCP_TIMESTAMP_STAT:
403 case ISCSI_PARAM_TCP_WSF_DISABLE:
404 case ISCSI_PARAM_TCP_NAGLE_DISABLE:
405 case ISCSI_PARAM_TCP_TIMER_SCALE:
406 case ISCSI_PARAM_TCP_TIMESTAMP_EN:
407 case ISCSI_PARAM_TCP_XMIT_WSF:
408 case ISCSI_PARAM_TCP_RECV_WSF:
409 case ISCSI_PARAM_IP_FRAGMENT_DISABLE:
410 case ISCSI_PARAM_IPV4_TOS:
411 case ISCSI_PARAM_IPV6_TC:
412 case ISCSI_PARAM_IPV6_FLOW_LABEL:
413 case ISCSI_PARAM_IS_FW_ASSIGNED_IPV6:
414 case ISCSI_PARAM_KEEPALIVE_TMO:
415 case ISCSI_PARAM_LOCAL_PORT:
416 case ISCSI_PARAM_ISID:
417 case ISCSI_PARAM_TSID:
418 case ISCSI_PARAM_DEF_TASKMGMT_TMO:
419 case ISCSI_PARAM_ERL:
420 case ISCSI_PARAM_STATSN:
421 case ISCSI_PARAM_EXP_STATSN:
422 case ISCSI_PARAM_DISCOVERY_PARENT_IDX:
423 case ISCSI_PARAM_DISCOVERY_PARENT_TYPE:
424 case ISCSI_PARAM_LOCAL_IPADDR:
425 return S_IRUGO;
426 default:
427 return 0;
428 }
429 case ISCSI_NET_PARAM:
430 switch (param) {
431 case ISCSI_NET_PARAM_IPV4_ADDR:
432 case ISCSI_NET_PARAM_IPV4_SUBNET:
433 case ISCSI_NET_PARAM_IPV4_GW:
434 case ISCSI_NET_PARAM_IPV4_BOOTPROTO:
435 case ISCSI_NET_PARAM_IFACE_ENABLE:
436 case ISCSI_NET_PARAM_IPV6_LINKLOCAL:
437 case ISCSI_NET_PARAM_IPV6_ADDR:
438 case ISCSI_NET_PARAM_IPV6_ROUTER:
439 case ISCSI_NET_PARAM_IPV6_ADDR_AUTOCFG:
440 case ISCSI_NET_PARAM_IPV6_LINKLOCAL_AUTOCFG:
441 case ISCSI_NET_PARAM_VLAN_ID:
442 case ISCSI_NET_PARAM_VLAN_PRIORITY:
443 case ISCSI_NET_PARAM_VLAN_ENABLED:
444 case ISCSI_NET_PARAM_MTU:
445 case ISCSI_NET_PARAM_PORT:
446 case ISCSI_NET_PARAM_IPADDR_STATE:
447 case ISCSI_NET_PARAM_IPV6_LINKLOCAL_STATE:
448 case ISCSI_NET_PARAM_IPV6_ROUTER_STATE:
449 case ISCSI_NET_PARAM_DELAYED_ACK_EN:
450 case ISCSI_NET_PARAM_TCP_NAGLE_DISABLE:
451 case ISCSI_NET_PARAM_TCP_WSF_DISABLE:
452 case ISCSI_NET_PARAM_TCP_WSF:
453 case ISCSI_NET_PARAM_TCP_TIMER_SCALE:
454 case ISCSI_NET_PARAM_TCP_TIMESTAMP_EN:
455 case ISCSI_NET_PARAM_CACHE_ID:
456 case ISCSI_NET_PARAM_IPV4_DHCP_DNS_ADDR_EN:
457 case ISCSI_NET_PARAM_IPV4_DHCP_SLP_DA_EN:
458 case ISCSI_NET_PARAM_IPV4_TOS_EN:
459 case ISCSI_NET_PARAM_IPV4_TOS:
460 case ISCSI_NET_PARAM_IPV4_GRAT_ARP_EN:
461 case ISCSI_NET_PARAM_IPV4_DHCP_ALT_CLIENT_ID_EN:
462 case ISCSI_NET_PARAM_IPV4_DHCP_ALT_CLIENT_ID:
463 case ISCSI_NET_PARAM_IPV4_DHCP_REQ_VENDOR_ID_EN:
464 case ISCSI_NET_PARAM_IPV4_DHCP_USE_VENDOR_ID_EN:
465 case ISCSI_NET_PARAM_IPV4_DHCP_VENDOR_ID:
466 case ISCSI_NET_PARAM_IPV4_DHCP_LEARN_IQN_EN:
467 case ISCSI_NET_PARAM_IPV4_FRAGMENT_DISABLE:
468 case ISCSI_NET_PARAM_IPV4_IN_FORWARD_EN:
469 case ISCSI_NET_PARAM_REDIRECT_EN:
470 case ISCSI_NET_PARAM_IPV4_TTL:
471 case ISCSI_NET_PARAM_IPV6_GRAT_NEIGHBOR_ADV_EN:
472 case ISCSI_NET_PARAM_IPV6_MLD_EN:
473 case ISCSI_NET_PARAM_IPV6_FLOW_LABEL:
474 case ISCSI_NET_PARAM_IPV6_TRAFFIC_CLASS:
475 case ISCSI_NET_PARAM_IPV6_HOP_LIMIT:
476 case ISCSI_NET_PARAM_IPV6_ND_REACHABLE_TMO:
477 case ISCSI_NET_PARAM_IPV6_ND_REXMIT_TIME:
478 case ISCSI_NET_PARAM_IPV6_ND_STALE_TMO:
479 case ISCSI_NET_PARAM_IPV6_DUP_ADDR_DETECT_CNT:
480 case ISCSI_NET_PARAM_IPV6_RTR_ADV_LINK_MTU:
481 return S_IRUGO;
482 default:
483 return 0;
484 }
485 case ISCSI_IFACE_PARAM:
486 switch (param) {
487 case ISCSI_IFACE_PARAM_DEF_TASKMGMT_TMO:
488 case ISCSI_IFACE_PARAM_HDRDGST_EN:
489 case ISCSI_IFACE_PARAM_DATADGST_EN:
490 case ISCSI_IFACE_PARAM_IMM_DATA_EN:
491 case ISCSI_IFACE_PARAM_INITIAL_R2T_EN:
492 case ISCSI_IFACE_PARAM_DATASEQ_INORDER_EN:
493 case ISCSI_IFACE_PARAM_PDU_INORDER_EN:
494 case ISCSI_IFACE_PARAM_ERL:
495 case ISCSI_IFACE_PARAM_MAX_RECV_DLENGTH:
496 case ISCSI_IFACE_PARAM_FIRST_BURST:
497 case ISCSI_IFACE_PARAM_MAX_R2T:
498 case ISCSI_IFACE_PARAM_MAX_BURST:
499 case ISCSI_IFACE_PARAM_CHAP_AUTH_EN:
500 case ISCSI_IFACE_PARAM_BIDI_CHAP_EN:
501 case ISCSI_IFACE_PARAM_DISCOVERY_AUTH_OPTIONAL:
502 case ISCSI_IFACE_PARAM_DISCOVERY_LOGOUT_EN:
503 case ISCSI_IFACE_PARAM_STRICT_LOGIN_COMP_EN:
504 case ISCSI_IFACE_PARAM_INITIATOR_NAME:
505 return S_IRUGO;
506 default:
507 return 0;
508 }
509 case ISCSI_FLASHNODE_PARAM:
510 switch (param) {
511 case ISCSI_FLASHNODE_IS_FW_ASSIGNED_IPV6:
512 case ISCSI_FLASHNODE_PORTAL_TYPE:
513 case ISCSI_FLASHNODE_AUTO_SND_TGT_DISABLE:
514 case ISCSI_FLASHNODE_DISCOVERY_SESS:
515 case ISCSI_FLASHNODE_ENTRY_EN:
516 case ISCSI_FLASHNODE_HDR_DGST_EN:
517 case ISCSI_FLASHNODE_DATA_DGST_EN:
518 case ISCSI_FLASHNODE_IMM_DATA_EN:
519 case ISCSI_FLASHNODE_INITIAL_R2T_EN:
520 case ISCSI_FLASHNODE_DATASEQ_INORDER:
521 case ISCSI_FLASHNODE_PDU_INORDER:
522 case ISCSI_FLASHNODE_CHAP_AUTH_EN:
523 case ISCSI_FLASHNODE_SNACK_REQ_EN:
524 case ISCSI_FLASHNODE_DISCOVERY_LOGOUT_EN:
525 case ISCSI_FLASHNODE_BIDI_CHAP_EN:
526 case ISCSI_FLASHNODE_DISCOVERY_AUTH_OPTIONAL:
527 case ISCSI_FLASHNODE_ERL:
528 case ISCSI_FLASHNODE_TCP_TIMESTAMP_STAT:
529 case ISCSI_FLASHNODE_TCP_NAGLE_DISABLE:
530 case ISCSI_FLASHNODE_TCP_WSF_DISABLE:
531 case ISCSI_FLASHNODE_TCP_TIMER_SCALE:
532 case ISCSI_FLASHNODE_TCP_TIMESTAMP_EN:
533 case ISCSI_FLASHNODE_IP_FRAG_DISABLE:
534 case ISCSI_FLASHNODE_MAX_RECV_DLENGTH:
535 case ISCSI_FLASHNODE_MAX_XMIT_DLENGTH:
536 case ISCSI_FLASHNODE_FIRST_BURST:
537 case ISCSI_FLASHNODE_DEF_TIME2WAIT:
538 case ISCSI_FLASHNODE_DEF_TIME2RETAIN:
539 case ISCSI_FLASHNODE_MAX_R2T:
540 case ISCSI_FLASHNODE_KEEPALIVE_TMO:
541 case ISCSI_FLASHNODE_ISID:
542 case ISCSI_FLASHNODE_TSID:
543 case ISCSI_FLASHNODE_PORT:
544 case ISCSI_FLASHNODE_MAX_BURST:
545 case ISCSI_FLASHNODE_DEF_TASKMGMT_TMO:
546 case ISCSI_FLASHNODE_IPADDR:
547 case ISCSI_FLASHNODE_ALIAS:
548 case ISCSI_FLASHNODE_REDIRECT_IPADDR:
549 case ISCSI_FLASHNODE_MAX_SEGMENT_SIZE:
550 case ISCSI_FLASHNODE_LOCAL_PORT:
551 case ISCSI_FLASHNODE_IPV4_TOS:
552 case ISCSI_FLASHNODE_IPV6_TC:
553 case ISCSI_FLASHNODE_IPV6_FLOW_LABEL:
554 case ISCSI_FLASHNODE_NAME:
555 case ISCSI_FLASHNODE_TPGT:
556 case ISCSI_FLASHNODE_LINK_LOCAL_IPV6:
557 case ISCSI_FLASHNODE_DISCOVERY_PARENT_IDX:
558 case ISCSI_FLASHNODE_DISCOVERY_PARENT_TYPE:
559 case ISCSI_FLASHNODE_TCP_XMIT_WSF:
560 case ISCSI_FLASHNODE_TCP_RECV_WSF:
561 case ISCSI_FLASHNODE_CHAP_OUT_IDX:
562 case ISCSI_FLASHNODE_USERNAME:
563 case ISCSI_FLASHNODE_PASSWORD:
564 case ISCSI_FLASHNODE_STATSN:
565 case ISCSI_FLASHNODE_EXP_STATSN:
566 case ISCSI_FLASHNODE_IS_BOOT_TGT:
567 return S_IRUGO;
568 default:
569 return 0;
570 }
571 }
572
573 return 0;
574}
575
576
577
578
579
580
581
582
583
584
585
586static void qla4xxx_create_chap_list(struct scsi_qla_host *ha)
587{
588 int rval = 0;
589 uint8_t *chap_flash_data = NULL;
590 uint32_t offset;
591 dma_addr_t chap_dma;
592 uint32_t chap_size = 0;
593
594 if (is_qla40XX(ha))
595 chap_size = MAX_CHAP_ENTRIES_40XX *
596 sizeof(struct ql4_chap_table);
597 else
598
599
600 chap_size = ha->hw.flt_chap_size / 2;
601
602 chap_flash_data = dma_alloc_coherent(&ha->pdev->dev, chap_size,
603 &chap_dma, GFP_KERNEL);
604 if (!chap_flash_data) {
605 ql4_printk(KERN_ERR, ha, "No memory for chap_flash_data\n");
606 return;
607 }
608
609 if (is_qla40XX(ha)) {
610 offset = FLASH_CHAP_OFFSET;
611 } else {
612 offset = FLASH_RAW_ACCESS_ADDR + (ha->hw.flt_region_chap << 2);
613 if (ha->port_num == 1)
614 offset += chap_size;
615 }
616
617 rval = qla4xxx_get_flash(ha, chap_dma, offset, chap_size);
618 if (rval != QLA_SUCCESS)
619 goto exit_chap_list;
620
621 if (ha->chap_list == NULL)
622 ha->chap_list = vmalloc(chap_size);
623 if (ha->chap_list == NULL) {
624 ql4_printk(KERN_ERR, ha, "No memory for ha->chap_list\n");
625 goto exit_chap_list;
626 }
627
628 memset(ha->chap_list, 0, chap_size);
629 memcpy(ha->chap_list, chap_flash_data, chap_size);
630
631exit_chap_list:
632 dma_free_coherent(&ha->pdev->dev, chap_size, chap_flash_data, chap_dma);
633}
634
635static int qla4xxx_get_chap_by_index(struct scsi_qla_host *ha,
636 int16_t chap_index,
637 struct ql4_chap_table **chap_entry)
638{
639 int rval = QLA_ERROR;
640 int max_chap_entries;
641
642 if (!ha->chap_list) {
643 ql4_printk(KERN_ERR, ha, "CHAP table cache is empty!\n");
644 rval = QLA_ERROR;
645 goto exit_get_chap;
646 }
647
648 if (is_qla80XX(ha))
649 max_chap_entries = (ha->hw.flt_chap_size / 2) /
650 sizeof(struct ql4_chap_table);
651 else
652 max_chap_entries = MAX_CHAP_ENTRIES_40XX;
653
654 if (chap_index > max_chap_entries) {
655 ql4_printk(KERN_ERR, ha, "Invalid Chap index\n");
656 rval = QLA_ERROR;
657 goto exit_get_chap;
658 }
659
660 *chap_entry = (struct ql4_chap_table *)ha->chap_list + chap_index;
661 if ((*chap_entry)->cookie !=
662 __constant_cpu_to_le16(CHAP_VALID_COOKIE)) {
663 rval = QLA_ERROR;
664 *chap_entry = NULL;
665 } else {
666 rval = QLA_SUCCESS;
667 }
668
669exit_get_chap:
670 return rval;
671}
672
673
674
675
676
677
678
679
680
681
682static int qla4xxx_find_free_chap_index(struct scsi_qla_host *ha,
683 uint16_t *chap_index)
684{
685 int i, rval;
686 int free_index = -1;
687 int max_chap_entries = 0;
688 struct ql4_chap_table *chap_table;
689
690 if (is_qla80XX(ha))
691 max_chap_entries = (ha->hw.flt_chap_size / 2) /
692 sizeof(struct ql4_chap_table);
693 else
694 max_chap_entries = MAX_CHAP_ENTRIES_40XX;
695
696 if (!ha->chap_list) {
697 ql4_printk(KERN_ERR, ha, "CHAP table cache is empty!\n");
698 rval = QLA_ERROR;
699 goto exit_find_chap;
700 }
701
702 for (i = 0; i < max_chap_entries; i++) {
703 chap_table = (struct ql4_chap_table *)ha->chap_list + i;
704
705 if ((chap_table->cookie !=
706 __constant_cpu_to_le16(CHAP_VALID_COOKIE)) &&
707 (i > MAX_RESRV_CHAP_IDX)) {
708 free_index = i;
709 break;
710 }
711 }
712
713 if (free_index != -1) {
714 *chap_index = free_index;
715 rval = QLA_SUCCESS;
716 } else {
717 rval = QLA_ERROR;
718 }
719
720exit_find_chap:
721 return rval;
722}
723
724static int qla4xxx_get_chap_list(struct Scsi_Host *shost, uint16_t chap_tbl_idx,
725 uint32_t *num_entries, char *buf)
726{
727 struct scsi_qla_host *ha = to_qla_host(shost);
728 struct ql4_chap_table *chap_table;
729 struct iscsi_chap_rec *chap_rec;
730 int max_chap_entries = 0;
731 int valid_chap_entries = 0;
732 int ret = 0, i;
733
734 if (is_qla80XX(ha))
735 max_chap_entries = (ha->hw.flt_chap_size / 2) /
736 sizeof(struct ql4_chap_table);
737 else
738 max_chap_entries = MAX_CHAP_ENTRIES_40XX;
739
740 ql4_printk(KERN_INFO, ha, "%s: num_entries = %d, CHAP idx = %d\n",
741 __func__, *num_entries, chap_tbl_idx);
742
743 if (!buf) {
744 ret = -ENOMEM;
745 goto exit_get_chap_list;
746 }
747
748 qla4xxx_create_chap_list(ha);
749
750 chap_rec = (struct iscsi_chap_rec *) buf;
751 mutex_lock(&ha->chap_sem);
752 for (i = chap_tbl_idx; i < max_chap_entries; i++) {
753 chap_table = (struct ql4_chap_table *)ha->chap_list + i;
754 if (chap_table->cookie !=
755 __constant_cpu_to_le16(CHAP_VALID_COOKIE))
756 continue;
757
758 chap_rec->chap_tbl_idx = i;
759 strlcpy(chap_rec->username, chap_table->name,
760 ISCSI_CHAP_AUTH_NAME_MAX_LEN);
761 strlcpy(chap_rec->password, chap_table->secret,
762 QL4_CHAP_MAX_SECRET_LEN);
763 chap_rec->password_length = chap_table->secret_len;
764
765 if (chap_table->flags & BIT_7)
766 chap_rec->chap_type = CHAP_TYPE_OUT;
767
768 if (chap_table->flags & BIT_6)
769 chap_rec->chap_type = CHAP_TYPE_IN;
770
771 chap_rec++;
772
773 valid_chap_entries++;
774 if (valid_chap_entries == *num_entries)
775 break;
776 else
777 continue;
778 }
779 mutex_unlock(&ha->chap_sem);
780
781exit_get_chap_list:
782 ql4_printk(KERN_INFO, ha, "%s: Valid CHAP Entries = %d\n",
783 __func__, valid_chap_entries);
784 *num_entries = valid_chap_entries;
785 return ret;
786}
787
788static int __qla4xxx_is_chap_active(struct device *dev, void *data)
789{
790 int ret = 0;
791 uint16_t *chap_tbl_idx = (uint16_t *) data;
792 struct iscsi_cls_session *cls_session;
793 struct iscsi_session *sess;
794 struct ddb_entry *ddb_entry;
795
796 if (!iscsi_is_session_dev(dev))
797 goto exit_is_chap_active;
798
799 cls_session = iscsi_dev_to_session(dev);
800 sess = cls_session->dd_data;
801 ddb_entry = sess->dd_data;
802
803 if (iscsi_session_chkready(cls_session))
804 goto exit_is_chap_active;
805
806 if (ddb_entry->chap_tbl_idx == *chap_tbl_idx)
807 ret = 1;
808
809exit_is_chap_active:
810 return ret;
811}
812
813static int qla4xxx_is_chap_active(struct Scsi_Host *shost,
814 uint16_t chap_tbl_idx)
815{
816 int ret = 0;
817
818 ret = device_for_each_child(&shost->shost_gendev, &chap_tbl_idx,
819 __qla4xxx_is_chap_active);
820
821 return ret;
822}
823
824static int qla4xxx_delete_chap(struct Scsi_Host *shost, uint16_t chap_tbl_idx)
825{
826 struct scsi_qla_host *ha = to_qla_host(shost);
827 struct ql4_chap_table *chap_table;
828 dma_addr_t chap_dma;
829 int max_chap_entries = 0;
830 uint32_t offset = 0;
831 uint32_t chap_size;
832 int ret = 0;
833
834 chap_table = dma_pool_alloc(ha->chap_dma_pool, GFP_KERNEL, &chap_dma);
835 if (chap_table == NULL)
836 return -ENOMEM;
837
838 memset(chap_table, 0, sizeof(struct ql4_chap_table));
839
840 if (is_qla80XX(ha))
841 max_chap_entries = (ha->hw.flt_chap_size / 2) /
842 sizeof(struct ql4_chap_table);
843 else
844 max_chap_entries = MAX_CHAP_ENTRIES_40XX;
845
846 if (chap_tbl_idx > max_chap_entries) {
847 ret = -EINVAL;
848 goto exit_delete_chap;
849 }
850
851
852
853 ret = qla4xxx_is_chap_active(shost, chap_tbl_idx);
854 if (ret) {
855 ql4_printk(KERN_INFO, ha, "CHAP entry %d is in use, cannot "
856 "delete from flash\n", chap_tbl_idx);
857 ret = -EBUSY;
858 goto exit_delete_chap;
859 }
860
861 chap_size = sizeof(struct ql4_chap_table);
862 if (is_qla40XX(ha))
863 offset = FLASH_CHAP_OFFSET | (chap_tbl_idx * chap_size);
864 else {
865 offset = FLASH_RAW_ACCESS_ADDR + (ha->hw.flt_region_chap << 2);
866
867
868
869 if (ha->port_num == 1)
870 offset += (ha->hw.flt_chap_size / 2);
871 offset += (chap_tbl_idx * chap_size);
872 }
873
874 ret = qla4xxx_get_flash(ha, chap_dma, offset, chap_size);
875 if (ret != QLA_SUCCESS) {
876 ret = -EINVAL;
877 goto exit_delete_chap;
878 }
879
880 DEBUG2(ql4_printk(KERN_INFO, ha, "Chap Cookie: x%x\n",
881 __le16_to_cpu(chap_table->cookie)));
882
883 if (__le16_to_cpu(chap_table->cookie) != CHAP_VALID_COOKIE) {
884 ql4_printk(KERN_ERR, ha, "No valid chap entry found\n");
885 goto exit_delete_chap;
886 }
887
888 chap_table->cookie = __constant_cpu_to_le16(0xFFFF);
889
890 offset = FLASH_CHAP_OFFSET |
891 (chap_tbl_idx * sizeof(struct ql4_chap_table));
892 ret = qla4xxx_set_flash(ha, chap_dma, offset, chap_size,
893 FLASH_OPT_RMW_COMMIT);
894 if (ret == QLA_SUCCESS && ha->chap_list) {
895 mutex_lock(&ha->chap_sem);
896
897 memcpy((struct ql4_chap_table *)ha->chap_list + chap_tbl_idx,
898 chap_table, sizeof(struct ql4_chap_table));
899 mutex_unlock(&ha->chap_sem);
900 }
901 if (ret != QLA_SUCCESS)
902 ret = -EINVAL;
903
904exit_delete_chap:
905 dma_pool_free(ha->chap_dma_pool, chap_table, chap_dma);
906 return ret;
907}
908
909
910
911
912
913
914
915
916
917static int qla4xxx_set_chap_entry(struct Scsi_Host *shost, void *data, int len)
918{
919 struct scsi_qla_host *ha = to_qla_host(shost);
920 struct iscsi_chap_rec chap_rec;
921 struct ql4_chap_table *chap_entry = NULL;
922 struct iscsi_param_info *param_info;
923 struct nlattr *attr;
924 int max_chap_entries = 0;
925 int type;
926 int rem = len;
927 int rc = 0;
928 int size;
929
930 memset(&chap_rec, 0, sizeof(chap_rec));
931
932 nla_for_each_attr(attr, data, len, rem) {
933 param_info = nla_data(attr);
934
935 switch (param_info->param) {
936 case ISCSI_CHAP_PARAM_INDEX:
937 chap_rec.chap_tbl_idx = *(uint16_t *)param_info->value;
938 break;
939 case ISCSI_CHAP_PARAM_CHAP_TYPE:
940 chap_rec.chap_type = param_info->value[0];
941 break;
942 case ISCSI_CHAP_PARAM_USERNAME:
943 size = min_t(size_t, sizeof(chap_rec.username),
944 param_info->len);
945 memcpy(chap_rec.username, param_info->value, size);
946 break;
947 case ISCSI_CHAP_PARAM_PASSWORD:
948 size = min_t(size_t, sizeof(chap_rec.password),
949 param_info->len);
950 memcpy(chap_rec.password, param_info->value, size);
951 break;
952 case ISCSI_CHAP_PARAM_PASSWORD_LEN:
953 chap_rec.password_length = param_info->value[0];
954 break;
955 default:
956 ql4_printk(KERN_ERR, ha,
957 "%s: No such sysfs attribute\n", __func__);
958 rc = -ENOSYS;
959 goto exit_set_chap;
960 };
961 }
962
963 if (chap_rec.chap_type == CHAP_TYPE_IN)
964 type = BIDI_CHAP;
965 else
966 type = LOCAL_CHAP;
967
968 if (is_qla80XX(ha))
969 max_chap_entries = (ha->hw.flt_chap_size / 2) /
970 sizeof(struct ql4_chap_table);
971 else
972 max_chap_entries = MAX_CHAP_ENTRIES_40XX;
973
974 mutex_lock(&ha->chap_sem);
975 if (chap_rec.chap_tbl_idx < max_chap_entries) {
976 rc = qla4xxx_get_chap_by_index(ha, chap_rec.chap_tbl_idx,
977 &chap_entry);
978 if (!rc) {
979 if (!(type == qla4xxx_get_chap_type(chap_entry))) {
980 ql4_printk(KERN_INFO, ha,
981 "Type mismatch for CHAP entry %d\n",
982 chap_rec.chap_tbl_idx);
983 rc = -EINVAL;
984 goto exit_unlock_chap;
985 }
986
987
988 rc = qla4xxx_is_chap_active(shost,
989 chap_rec.chap_tbl_idx);
990 if (rc) {
991 ql4_printk(KERN_INFO, ha,
992 "CHAP entry %d is in use\n",
993 chap_rec.chap_tbl_idx);
994 rc = -EBUSY;
995 goto exit_unlock_chap;
996 }
997 }
998 } else {
999 rc = qla4xxx_find_free_chap_index(ha, &chap_rec.chap_tbl_idx);
1000 if (rc) {
1001 ql4_printk(KERN_INFO, ha, "CHAP entry not available\n");
1002 rc = -EBUSY;
1003 goto exit_unlock_chap;
1004 }
1005 }
1006
1007 rc = qla4xxx_set_chap(ha, chap_rec.username, chap_rec.password,
1008 chap_rec.chap_tbl_idx, type);
1009
1010exit_unlock_chap:
1011 mutex_unlock(&ha->chap_sem);
1012
1013exit_set_chap:
1014 return rc;
1015}
1016
1017
1018static int qla4xxx_get_host_stats(struct Scsi_Host *shost, char *buf, int len)
1019{
1020 struct scsi_qla_host *ha = to_qla_host(shost);
1021 struct iscsi_offload_host_stats *host_stats = NULL;
1022 int host_stats_size;
1023 int ret = 0;
1024 int ddb_idx = 0;
1025 struct ql_iscsi_stats *ql_iscsi_stats = NULL;
1026 int stats_size;
1027 dma_addr_t iscsi_stats_dma;
1028
1029 DEBUG2(ql4_printk(KERN_INFO, ha, "Func: %s\n", __func__));
1030
1031 host_stats_size = sizeof(struct iscsi_offload_host_stats);
1032
1033 if (host_stats_size != len) {
1034 ql4_printk(KERN_INFO, ha, "%s: host_stats size mismatch expected = %d, is = %d\n",
1035 __func__, len, host_stats_size);
1036 ret = -EINVAL;
1037 goto exit_host_stats;
1038 }
1039 host_stats = (struct iscsi_offload_host_stats *)buf;
1040
1041 if (!buf) {
1042 ret = -ENOMEM;
1043 goto exit_host_stats;
1044 }
1045
1046 stats_size = PAGE_ALIGN(sizeof(struct ql_iscsi_stats));
1047
1048 ql_iscsi_stats = dma_alloc_coherent(&ha->pdev->dev, stats_size,
1049 &iscsi_stats_dma, GFP_KERNEL);
1050 if (!ql_iscsi_stats) {
1051 ql4_printk(KERN_ERR, ha,
1052 "Unable to allocate memory for iscsi stats\n");
1053 ret = -ENOMEM;
1054 goto exit_host_stats;
1055 }
1056
1057 ret = qla4xxx_get_mgmt_data(ha, ddb_idx, stats_size,
1058 iscsi_stats_dma);
1059 if (ret != QLA_SUCCESS) {
1060 ql4_printk(KERN_ERR, ha,
1061 "Unable to retrieve iscsi stats\n");
1062 ret = -EIO;
1063 goto exit_host_stats;
1064 }
1065 host_stats->mactx_frames = le64_to_cpu(ql_iscsi_stats->mac_tx_frames);
1066 host_stats->mactx_bytes = le64_to_cpu(ql_iscsi_stats->mac_tx_bytes);
1067 host_stats->mactx_multicast_frames =
1068 le64_to_cpu(ql_iscsi_stats->mac_tx_multicast_frames);
1069 host_stats->mactx_broadcast_frames =
1070 le64_to_cpu(ql_iscsi_stats->mac_tx_broadcast_frames);
1071 host_stats->mactx_pause_frames =
1072 le64_to_cpu(ql_iscsi_stats->mac_tx_pause_frames);
1073 host_stats->mactx_control_frames =
1074 le64_to_cpu(ql_iscsi_stats->mac_tx_control_frames);
1075 host_stats->mactx_deferral =
1076 le64_to_cpu(ql_iscsi_stats->mac_tx_deferral);
1077 host_stats->mactx_excess_deferral =
1078 le64_to_cpu(ql_iscsi_stats->mac_tx_excess_deferral);
1079 host_stats->mactx_late_collision =
1080 le64_to_cpu(ql_iscsi_stats->mac_tx_late_collision);
1081 host_stats->mactx_abort = le64_to_cpu(ql_iscsi_stats->mac_tx_abort);
1082 host_stats->mactx_single_collision =
1083 le64_to_cpu(ql_iscsi_stats->mac_tx_single_collision);
1084 host_stats->mactx_multiple_collision =
1085 le64_to_cpu(ql_iscsi_stats->mac_tx_multiple_collision);
1086 host_stats->mactx_collision =
1087 le64_to_cpu(ql_iscsi_stats->mac_tx_collision);
1088 host_stats->mactx_frames_dropped =
1089 le64_to_cpu(ql_iscsi_stats->mac_tx_frames_dropped);
1090 host_stats->mactx_jumbo_frames =
1091 le64_to_cpu(ql_iscsi_stats->mac_tx_jumbo_frames);
1092 host_stats->macrx_frames = le64_to_cpu(ql_iscsi_stats->mac_rx_frames);
1093 host_stats->macrx_bytes = le64_to_cpu(ql_iscsi_stats->mac_rx_bytes);
1094 host_stats->macrx_unknown_control_frames =
1095 le64_to_cpu(ql_iscsi_stats->mac_rx_unknown_control_frames);
1096 host_stats->macrx_pause_frames =
1097 le64_to_cpu(ql_iscsi_stats->mac_rx_pause_frames);
1098 host_stats->macrx_control_frames =
1099 le64_to_cpu(ql_iscsi_stats->mac_rx_control_frames);
1100 host_stats->macrx_dribble =
1101 le64_to_cpu(ql_iscsi_stats->mac_rx_dribble);
1102 host_stats->macrx_frame_length_error =
1103 le64_to_cpu(ql_iscsi_stats->mac_rx_frame_length_error);
1104 host_stats->macrx_jabber = le64_to_cpu(ql_iscsi_stats->mac_rx_jabber);
1105 host_stats->macrx_carrier_sense_error =
1106 le64_to_cpu(ql_iscsi_stats->mac_rx_carrier_sense_error);
1107 host_stats->macrx_frame_discarded =
1108 le64_to_cpu(ql_iscsi_stats->mac_rx_frame_discarded);
1109 host_stats->macrx_frames_dropped =
1110 le64_to_cpu(ql_iscsi_stats->mac_rx_frames_dropped);
1111 host_stats->mac_crc_error = le64_to_cpu(ql_iscsi_stats->mac_crc_error);
1112 host_stats->mac_encoding_error =
1113 le64_to_cpu(ql_iscsi_stats->mac_encoding_error);
1114 host_stats->macrx_length_error_large =
1115 le64_to_cpu(ql_iscsi_stats->mac_rx_length_error_large);
1116 host_stats->macrx_length_error_small =
1117 le64_to_cpu(ql_iscsi_stats->mac_rx_length_error_small);
1118 host_stats->macrx_multicast_frames =
1119 le64_to_cpu(ql_iscsi_stats->mac_rx_multicast_frames);
1120 host_stats->macrx_broadcast_frames =
1121 le64_to_cpu(ql_iscsi_stats->mac_rx_broadcast_frames);
1122 host_stats->iptx_packets = le64_to_cpu(ql_iscsi_stats->ip_tx_packets);
1123 host_stats->iptx_bytes = le64_to_cpu(ql_iscsi_stats->ip_tx_bytes);
1124 host_stats->iptx_fragments =
1125 le64_to_cpu(ql_iscsi_stats->ip_tx_fragments);
1126 host_stats->iprx_packets = le64_to_cpu(ql_iscsi_stats->ip_rx_packets);
1127 host_stats->iprx_bytes = le64_to_cpu(ql_iscsi_stats->ip_rx_bytes);
1128 host_stats->iprx_fragments =
1129 le64_to_cpu(ql_iscsi_stats->ip_rx_fragments);
1130 host_stats->ip_datagram_reassembly =
1131 le64_to_cpu(ql_iscsi_stats->ip_datagram_reassembly);
1132 host_stats->ip_invalid_address_error =
1133 le64_to_cpu(ql_iscsi_stats->ip_invalid_address_error);
1134 host_stats->ip_error_packets =
1135 le64_to_cpu(ql_iscsi_stats->ip_error_packets);
1136 host_stats->ip_fragrx_overlap =
1137 le64_to_cpu(ql_iscsi_stats->ip_fragrx_overlap);
1138 host_stats->ip_fragrx_outoforder =
1139 le64_to_cpu(ql_iscsi_stats->ip_fragrx_outoforder);
1140 host_stats->ip_datagram_reassembly_timeout =
1141 le64_to_cpu(ql_iscsi_stats->ip_datagram_reassembly_timeout);
1142 host_stats->ipv6tx_packets =
1143 le64_to_cpu(ql_iscsi_stats->ipv6_tx_packets);
1144 host_stats->ipv6tx_bytes = le64_to_cpu(ql_iscsi_stats->ipv6_tx_bytes);
1145 host_stats->ipv6tx_fragments =
1146 le64_to_cpu(ql_iscsi_stats->ipv6_tx_fragments);
1147 host_stats->ipv6rx_packets =
1148 le64_to_cpu(ql_iscsi_stats->ipv6_rx_packets);
1149 host_stats->ipv6rx_bytes = le64_to_cpu(ql_iscsi_stats->ipv6_rx_bytes);
1150 host_stats->ipv6rx_fragments =
1151 le64_to_cpu(ql_iscsi_stats->ipv6_rx_fragments);
1152 host_stats->ipv6_datagram_reassembly =
1153 le64_to_cpu(ql_iscsi_stats->ipv6_datagram_reassembly);
1154 host_stats->ipv6_invalid_address_error =
1155 le64_to_cpu(ql_iscsi_stats->ipv6_invalid_address_error);
1156 host_stats->ipv6_error_packets =
1157 le64_to_cpu(ql_iscsi_stats->ipv6_error_packets);
1158 host_stats->ipv6_fragrx_overlap =
1159 le64_to_cpu(ql_iscsi_stats->ipv6_fragrx_overlap);
1160 host_stats->ipv6_fragrx_outoforder =
1161 le64_to_cpu(ql_iscsi_stats->ipv6_fragrx_outoforder);
1162 host_stats->ipv6_datagram_reassembly_timeout =
1163 le64_to_cpu(ql_iscsi_stats->ipv6_datagram_reassembly_timeout);
1164 host_stats->tcptx_segments =
1165 le64_to_cpu(ql_iscsi_stats->tcp_tx_segments);
1166 host_stats->tcptx_bytes = le64_to_cpu(ql_iscsi_stats->tcp_tx_bytes);
1167 host_stats->tcprx_segments =
1168 le64_to_cpu(ql_iscsi_stats->tcp_rx_segments);
1169 host_stats->tcprx_byte = le64_to_cpu(ql_iscsi_stats->tcp_rx_byte);
1170 host_stats->tcp_duplicate_ack_retx =
1171 le64_to_cpu(ql_iscsi_stats->tcp_duplicate_ack_retx);
1172 host_stats->tcp_retx_timer_expired =
1173 le64_to_cpu(ql_iscsi_stats->tcp_retx_timer_expired);
1174 host_stats->tcprx_duplicate_ack =
1175 le64_to_cpu(ql_iscsi_stats->tcp_rx_duplicate_ack);
1176 host_stats->tcprx_pure_ackr =
1177 le64_to_cpu(ql_iscsi_stats->tcp_rx_pure_ackr);
1178 host_stats->tcptx_delayed_ack =
1179 le64_to_cpu(ql_iscsi_stats->tcp_tx_delayed_ack);
1180 host_stats->tcptx_pure_ack =
1181 le64_to_cpu(ql_iscsi_stats->tcp_tx_pure_ack);
1182 host_stats->tcprx_segment_error =
1183 le64_to_cpu(ql_iscsi_stats->tcp_rx_segment_error);
1184 host_stats->tcprx_segment_outoforder =
1185 le64_to_cpu(ql_iscsi_stats->tcp_rx_segment_outoforder);
1186 host_stats->tcprx_window_probe =
1187 le64_to_cpu(ql_iscsi_stats->tcp_rx_window_probe);
1188 host_stats->tcprx_window_update =
1189 le64_to_cpu(ql_iscsi_stats->tcp_rx_window_update);
1190 host_stats->tcptx_window_probe_persist =
1191 le64_to_cpu(ql_iscsi_stats->tcp_tx_window_probe_persist);
1192 host_stats->ecc_error_correction =
1193 le64_to_cpu(ql_iscsi_stats->ecc_error_correction);
1194 host_stats->iscsi_pdu_tx = le64_to_cpu(ql_iscsi_stats->iscsi_pdu_tx);
1195 host_stats->iscsi_data_bytes_tx =
1196 le64_to_cpu(ql_iscsi_stats->iscsi_data_bytes_tx);
1197 host_stats->iscsi_pdu_rx = le64_to_cpu(ql_iscsi_stats->iscsi_pdu_rx);
1198 host_stats->iscsi_data_bytes_rx =
1199 le64_to_cpu(ql_iscsi_stats->iscsi_data_bytes_rx);
1200 host_stats->iscsi_io_completed =
1201 le64_to_cpu(ql_iscsi_stats->iscsi_io_completed);
1202 host_stats->iscsi_unexpected_io_rx =
1203 le64_to_cpu(ql_iscsi_stats->iscsi_unexpected_io_rx);
1204 host_stats->iscsi_format_error =
1205 le64_to_cpu(ql_iscsi_stats->iscsi_format_error);
1206 host_stats->iscsi_hdr_digest_error =
1207 le64_to_cpu(ql_iscsi_stats->iscsi_hdr_digest_error);
1208 host_stats->iscsi_data_digest_error =
1209 le64_to_cpu(ql_iscsi_stats->iscsi_data_digest_error);
1210 host_stats->iscsi_sequence_error =
1211 le64_to_cpu(ql_iscsi_stats->iscsi_sequence_error);
1212exit_host_stats:
1213 if (ql_iscsi_stats)
1214 dma_free_coherent(&ha->pdev->dev, host_stats_size,
1215 ql_iscsi_stats, iscsi_stats_dma);
1216
1217 ql4_printk(KERN_INFO, ha, "%s: Get host stats done\n",
1218 __func__);
1219 return ret;
1220}
1221
1222static int qla4xxx_get_iface_param(struct iscsi_iface *iface,
1223 enum iscsi_param_type param_type,
1224 int param, char *buf)
1225{
1226 struct Scsi_Host *shost = iscsi_iface_to_shost(iface);
1227 struct scsi_qla_host *ha = to_qla_host(shost);
1228 int ival;
1229 char *pval = NULL;
1230 int len = -ENOSYS;
1231
1232 if (param_type == ISCSI_NET_PARAM) {
1233 switch (param) {
1234 case ISCSI_NET_PARAM_IPV4_ADDR:
1235 len = sprintf(buf, "%pI4\n", &ha->ip_config.ip_address);
1236 break;
1237 case ISCSI_NET_PARAM_IPV4_SUBNET:
1238 len = sprintf(buf, "%pI4\n",
1239 &ha->ip_config.subnet_mask);
1240 break;
1241 case ISCSI_NET_PARAM_IPV4_GW:
1242 len = sprintf(buf, "%pI4\n", &ha->ip_config.gateway);
1243 break;
1244 case ISCSI_NET_PARAM_IFACE_ENABLE:
1245 if (iface->iface_type == ISCSI_IFACE_TYPE_IPV4) {
1246 OP_STATE(ha->ip_config.ipv4_options,
1247 IPOPT_IPV4_PROTOCOL_ENABLE, pval);
1248 } else {
1249 OP_STATE(ha->ip_config.ipv6_options,
1250 IPV6_OPT_IPV6_PROTOCOL_ENABLE, pval);
1251 }
1252
1253 len = sprintf(buf, "%s\n", pval);
1254 break;
1255 case ISCSI_NET_PARAM_IPV4_BOOTPROTO:
1256 len = sprintf(buf, "%s\n",
1257 (ha->ip_config.tcp_options &
1258 TCPOPT_DHCP_ENABLE) ?
1259 "dhcp" : "static");
1260 break;
1261 case ISCSI_NET_PARAM_IPV6_ADDR:
1262 if (iface->iface_num == 0)
1263 len = sprintf(buf, "%pI6\n",
1264 &ha->ip_config.ipv6_addr0);
1265 if (iface->iface_num == 1)
1266 len = sprintf(buf, "%pI6\n",
1267 &ha->ip_config.ipv6_addr1);
1268 break;
1269 case ISCSI_NET_PARAM_IPV6_LINKLOCAL:
1270 len = sprintf(buf, "%pI6\n",
1271 &ha->ip_config.ipv6_link_local_addr);
1272 break;
1273 case ISCSI_NET_PARAM_IPV6_ROUTER:
1274 len = sprintf(buf, "%pI6\n",
1275 &ha->ip_config.ipv6_default_router_addr);
1276 break;
1277 case ISCSI_NET_PARAM_IPV6_ADDR_AUTOCFG:
1278 pval = (ha->ip_config.ipv6_addl_options &
1279 IPV6_ADDOPT_NEIGHBOR_DISCOVERY_ADDR_ENABLE) ?
1280 "nd" : "static";
1281
1282 len = sprintf(buf, "%s\n", pval);
1283 break;
1284 case ISCSI_NET_PARAM_IPV6_LINKLOCAL_AUTOCFG:
1285 pval = (ha->ip_config.ipv6_addl_options &
1286 IPV6_ADDOPT_AUTOCONFIG_LINK_LOCAL_ADDR) ?
1287 "auto" : "static";
1288
1289 len = sprintf(buf, "%s\n", pval);
1290 break;
1291 case ISCSI_NET_PARAM_VLAN_ID:
1292 if (iface->iface_type == ISCSI_IFACE_TYPE_IPV4)
1293 ival = ha->ip_config.ipv4_vlan_tag &
1294 ISCSI_MAX_VLAN_ID;
1295 else
1296 ival = ha->ip_config.ipv6_vlan_tag &
1297 ISCSI_MAX_VLAN_ID;
1298
1299 len = sprintf(buf, "%d\n", ival);
1300 break;
1301 case ISCSI_NET_PARAM_VLAN_PRIORITY:
1302 if (iface->iface_type == ISCSI_IFACE_TYPE_IPV4)
1303 ival = (ha->ip_config.ipv4_vlan_tag >> 13) &
1304 ISCSI_MAX_VLAN_PRIORITY;
1305 else
1306 ival = (ha->ip_config.ipv6_vlan_tag >> 13) &
1307 ISCSI_MAX_VLAN_PRIORITY;
1308
1309 len = sprintf(buf, "%d\n", ival);
1310 break;
1311 case ISCSI_NET_PARAM_VLAN_ENABLED:
1312 if (iface->iface_type == ISCSI_IFACE_TYPE_IPV4) {
1313 OP_STATE(ha->ip_config.ipv4_options,
1314 IPOPT_VLAN_TAGGING_ENABLE, pval);
1315 } else {
1316 OP_STATE(ha->ip_config.ipv6_options,
1317 IPV6_OPT_VLAN_TAGGING_ENABLE, pval);
1318 }
1319 len = sprintf(buf, "%s\n", pval);
1320 break;
1321 case ISCSI_NET_PARAM_MTU:
1322 len = sprintf(buf, "%d\n", ha->ip_config.eth_mtu_size);
1323 break;
1324 case ISCSI_NET_PARAM_PORT:
1325 if (iface->iface_type == ISCSI_IFACE_TYPE_IPV4)
1326 len = sprintf(buf, "%d\n",
1327 ha->ip_config.ipv4_port);
1328 else
1329 len = sprintf(buf, "%d\n",
1330 ha->ip_config.ipv6_port);
1331 break;
1332 case ISCSI_NET_PARAM_IPADDR_STATE:
1333 if (iface->iface_type == ISCSI_IFACE_TYPE_IPV4) {
1334 pval = iscsi_get_ipaddress_state_name(
1335 ha->ip_config.ipv4_addr_state);
1336 } else {
1337 if (iface->iface_num == 0)
1338 pval = iscsi_get_ipaddress_state_name(
1339 ha->ip_config.ipv6_addr0_state);
1340 else if (iface->iface_num == 1)
1341 pval = iscsi_get_ipaddress_state_name(
1342 ha->ip_config.ipv6_addr1_state);
1343 }
1344
1345 len = sprintf(buf, "%s\n", pval);
1346 break;
1347 case ISCSI_NET_PARAM_IPV6_LINKLOCAL_STATE:
1348 pval = iscsi_get_ipaddress_state_name(
1349 ha->ip_config.ipv6_link_local_state);
1350 len = sprintf(buf, "%s\n", pval);
1351 break;
1352 case ISCSI_NET_PARAM_IPV6_ROUTER_STATE:
1353 pval = iscsi_get_router_state_name(
1354 ha->ip_config.ipv6_default_router_state);
1355 len = sprintf(buf, "%s\n", pval);
1356 break;
1357 case ISCSI_NET_PARAM_DELAYED_ACK_EN:
1358 if (iface->iface_type == ISCSI_IFACE_TYPE_IPV4) {
1359 OP_STATE(~ha->ip_config.tcp_options,
1360 TCPOPT_DELAYED_ACK_DISABLE, pval);
1361 } else {
1362 OP_STATE(~ha->ip_config.ipv6_tcp_options,
1363 IPV6_TCPOPT_DELAYED_ACK_DISABLE, pval);
1364 }
1365 len = sprintf(buf, "%s\n", pval);
1366 break;
1367 case ISCSI_NET_PARAM_TCP_NAGLE_DISABLE:
1368 if (iface->iface_type == ISCSI_IFACE_TYPE_IPV4) {
1369 OP_STATE(~ha->ip_config.tcp_options,
1370 TCPOPT_NAGLE_ALGO_DISABLE, pval);
1371 } else {
1372 OP_STATE(~ha->ip_config.ipv6_tcp_options,
1373 IPV6_TCPOPT_NAGLE_ALGO_DISABLE, pval);
1374 }
1375 len = sprintf(buf, "%s\n", pval);
1376 break;
1377 case ISCSI_NET_PARAM_TCP_WSF_DISABLE:
1378 if (iface->iface_type == ISCSI_IFACE_TYPE_IPV4) {
1379 OP_STATE(~ha->ip_config.tcp_options,
1380 TCPOPT_WINDOW_SCALE_DISABLE, pval);
1381 } else {
1382 OP_STATE(~ha->ip_config.ipv6_tcp_options,
1383 IPV6_TCPOPT_WINDOW_SCALE_DISABLE,
1384 pval);
1385 }
1386 len = sprintf(buf, "%s\n", pval);
1387 break;
1388 case ISCSI_NET_PARAM_TCP_WSF:
1389 if (iface->iface_type == ISCSI_IFACE_TYPE_IPV4)
1390 len = sprintf(buf, "%d\n",
1391 ha->ip_config.tcp_wsf);
1392 else
1393 len = sprintf(buf, "%d\n",
1394 ha->ip_config.ipv6_tcp_wsf);
1395 break;
1396 case ISCSI_NET_PARAM_TCP_TIMER_SCALE:
1397 if (iface->iface_type == ISCSI_IFACE_TYPE_IPV4)
1398 ival = (ha->ip_config.tcp_options &
1399 TCPOPT_TIMER_SCALE) >> 1;
1400 else
1401 ival = (ha->ip_config.ipv6_tcp_options &
1402 IPV6_TCPOPT_TIMER_SCALE) >> 1;
1403
1404 len = sprintf(buf, "%d\n", ival);
1405 break;
1406 case ISCSI_NET_PARAM_TCP_TIMESTAMP_EN:
1407 if (iface->iface_type == ISCSI_IFACE_TYPE_IPV4) {
1408 OP_STATE(ha->ip_config.tcp_options,
1409 TCPOPT_TIMESTAMP_ENABLE, pval);
1410 } else {
1411 OP_STATE(ha->ip_config.ipv6_tcp_options,
1412 IPV6_TCPOPT_TIMESTAMP_EN, pval);
1413 }
1414 len = sprintf(buf, "%s\n", pval);
1415 break;
1416 case ISCSI_NET_PARAM_CACHE_ID:
1417 if (iface->iface_type == ISCSI_IFACE_TYPE_IPV4)
1418 len = sprintf(buf, "%d\n",
1419 ha->ip_config.ipv4_cache_id);
1420 else
1421 len = sprintf(buf, "%d\n",
1422 ha->ip_config.ipv6_cache_id);
1423 break;
1424 case ISCSI_NET_PARAM_IPV4_DHCP_DNS_ADDR_EN:
1425 OP_STATE(ha->ip_config.tcp_options,
1426 TCPOPT_DNS_SERVER_IP_EN, pval);
1427
1428 len = sprintf(buf, "%s\n", pval);
1429 break;
1430 case ISCSI_NET_PARAM_IPV4_DHCP_SLP_DA_EN:
1431 OP_STATE(ha->ip_config.tcp_options,
1432 TCPOPT_SLP_DA_INFO_EN, pval);
1433
1434 len = sprintf(buf, "%s\n", pval);
1435 break;
1436 case ISCSI_NET_PARAM_IPV4_TOS_EN:
1437 OP_STATE(ha->ip_config.ipv4_options,
1438 IPOPT_IPV4_TOS_EN, pval);
1439
1440 len = sprintf(buf, "%s\n", pval);
1441 break;
1442 case ISCSI_NET_PARAM_IPV4_TOS:
1443 len = sprintf(buf, "%d\n", ha->ip_config.ipv4_tos);
1444 break;
1445 case ISCSI_NET_PARAM_IPV4_GRAT_ARP_EN:
1446 OP_STATE(ha->ip_config.ipv4_options,
1447 IPOPT_GRAT_ARP_EN, pval);
1448
1449 len = sprintf(buf, "%s\n", pval);
1450 break;
1451 case ISCSI_NET_PARAM_IPV4_DHCP_ALT_CLIENT_ID_EN:
1452 OP_STATE(ha->ip_config.ipv4_options, IPOPT_ALT_CID_EN,
1453 pval);
1454
1455 len = sprintf(buf, "%s\n", pval);
1456 break;
1457 case ISCSI_NET_PARAM_IPV4_DHCP_ALT_CLIENT_ID:
1458 pval = (ha->ip_config.ipv4_alt_cid_len) ?
1459 (char *)ha->ip_config.ipv4_alt_cid : "";
1460
1461 len = sprintf(buf, "%s\n", pval);
1462 break;
1463 case ISCSI_NET_PARAM_IPV4_DHCP_REQ_VENDOR_ID_EN:
1464 OP_STATE(ha->ip_config.ipv4_options,
1465 IPOPT_REQ_VID_EN, pval);
1466
1467 len = sprintf(buf, "%s\n", pval);
1468 break;
1469 case ISCSI_NET_PARAM_IPV4_DHCP_USE_VENDOR_ID_EN:
1470 OP_STATE(ha->ip_config.ipv4_options,
1471 IPOPT_USE_VID_EN, pval);
1472
1473 len = sprintf(buf, "%s\n", pval);
1474 break;
1475 case ISCSI_NET_PARAM_IPV4_DHCP_VENDOR_ID:
1476 pval = (ha->ip_config.ipv4_vid_len) ?
1477 (char *)ha->ip_config.ipv4_vid : "";
1478
1479 len = sprintf(buf, "%s\n", pval);
1480 break;
1481 case ISCSI_NET_PARAM_IPV4_DHCP_LEARN_IQN_EN:
1482 OP_STATE(ha->ip_config.ipv4_options,
1483 IPOPT_LEARN_IQN_EN, pval);
1484
1485 len = sprintf(buf, "%s\n", pval);
1486 break;
1487 case ISCSI_NET_PARAM_IPV4_FRAGMENT_DISABLE:
1488 OP_STATE(~ha->ip_config.ipv4_options,
1489 IPOPT_FRAGMENTATION_DISABLE, pval);
1490
1491 len = sprintf(buf, "%s\n", pval);
1492 break;
1493 case ISCSI_NET_PARAM_IPV4_IN_FORWARD_EN:
1494 OP_STATE(ha->ip_config.ipv4_options,
1495 IPOPT_IN_FORWARD_EN, pval);
1496
1497 len = sprintf(buf, "%s\n", pval);
1498 break;
1499 case ISCSI_NET_PARAM_REDIRECT_EN:
1500 if (iface->iface_type == ISCSI_IFACE_TYPE_IPV4) {
1501 OP_STATE(ha->ip_config.ipv4_options,
1502 IPOPT_ARP_REDIRECT_EN, pval);
1503 } else {
1504 OP_STATE(ha->ip_config.ipv6_options,
1505 IPV6_OPT_REDIRECT_EN, pval);
1506 }
1507 len = sprintf(buf, "%s\n", pval);
1508 break;
1509 case ISCSI_NET_PARAM_IPV4_TTL:
1510 len = sprintf(buf, "%d\n", ha->ip_config.ipv4_ttl);
1511 break;
1512 case ISCSI_NET_PARAM_IPV6_GRAT_NEIGHBOR_ADV_EN:
1513 OP_STATE(ha->ip_config.ipv6_options,
1514 IPV6_OPT_GRAT_NEIGHBOR_ADV_EN, pval);
1515
1516 len = sprintf(buf, "%s\n", pval);
1517 break;
1518 case ISCSI_NET_PARAM_IPV6_MLD_EN:
1519 OP_STATE(ha->ip_config.ipv6_addl_options,
1520 IPV6_ADDOPT_MLD_EN, pval);
1521
1522 len = sprintf(buf, "%s\n", pval);
1523 break;
1524 case ISCSI_NET_PARAM_IPV6_FLOW_LABEL:
1525 len = sprintf(buf, "%u\n", ha->ip_config.ipv6_flow_lbl);
1526 break;
1527 case ISCSI_NET_PARAM_IPV6_TRAFFIC_CLASS:
1528 len = sprintf(buf, "%d\n",
1529 ha->ip_config.ipv6_traffic_class);
1530 break;
1531 case ISCSI_NET_PARAM_IPV6_HOP_LIMIT:
1532 len = sprintf(buf, "%d\n",
1533 ha->ip_config.ipv6_hop_limit);
1534 break;
1535 case ISCSI_NET_PARAM_IPV6_ND_REACHABLE_TMO:
1536 len = sprintf(buf, "%d\n",
1537 ha->ip_config.ipv6_nd_reach_time);
1538 break;
1539 case ISCSI_NET_PARAM_IPV6_ND_REXMIT_TIME:
1540 len = sprintf(buf, "%d\n",
1541 ha->ip_config.ipv6_nd_rexmit_timer);
1542 break;
1543 case ISCSI_NET_PARAM_IPV6_ND_STALE_TMO:
1544 len = sprintf(buf, "%d\n",
1545 ha->ip_config.ipv6_nd_stale_timeout);
1546 break;
1547 case ISCSI_NET_PARAM_IPV6_DUP_ADDR_DETECT_CNT:
1548 len = sprintf(buf, "%d\n",
1549 ha->ip_config.ipv6_dup_addr_detect_count);
1550 break;
1551 case ISCSI_NET_PARAM_IPV6_RTR_ADV_LINK_MTU:
1552 len = sprintf(buf, "%d\n",
1553 ha->ip_config.ipv6_gw_advrt_mtu);
1554 break;
1555 default:
1556 len = -ENOSYS;
1557 }
1558 } else if (param_type == ISCSI_IFACE_PARAM) {
1559 switch (param) {
1560 case ISCSI_IFACE_PARAM_DEF_TASKMGMT_TMO:
1561 len = sprintf(buf, "%d\n", ha->ip_config.def_timeout);
1562 break;
1563 case ISCSI_IFACE_PARAM_HDRDGST_EN:
1564 OP_STATE(ha->ip_config.iscsi_options,
1565 ISCSIOPTS_HEADER_DIGEST_EN, pval);
1566
1567 len = sprintf(buf, "%s\n", pval);
1568 break;
1569 case ISCSI_IFACE_PARAM_DATADGST_EN:
1570 OP_STATE(ha->ip_config.iscsi_options,
1571 ISCSIOPTS_DATA_DIGEST_EN, pval);
1572
1573 len = sprintf(buf, "%s\n", pval);
1574 break;
1575 case ISCSI_IFACE_PARAM_IMM_DATA_EN:
1576 OP_STATE(ha->ip_config.iscsi_options,
1577 ISCSIOPTS_IMMEDIATE_DATA_EN, pval);
1578
1579 len = sprintf(buf, "%s\n", pval);
1580 break;
1581 case ISCSI_IFACE_PARAM_INITIAL_R2T_EN:
1582 OP_STATE(ha->ip_config.iscsi_options,
1583 ISCSIOPTS_INITIAL_R2T_EN, pval);
1584
1585 len = sprintf(buf, "%s\n", pval);
1586 break;
1587 case ISCSI_IFACE_PARAM_DATASEQ_INORDER_EN:
1588 OP_STATE(ha->ip_config.iscsi_options,
1589 ISCSIOPTS_DATA_SEQ_INORDER_EN, pval);
1590
1591 len = sprintf(buf, "%s\n", pval);
1592 break;
1593 case ISCSI_IFACE_PARAM_PDU_INORDER_EN:
1594 OP_STATE(ha->ip_config.iscsi_options,
1595 ISCSIOPTS_DATA_PDU_INORDER_EN, pval);
1596
1597 len = sprintf(buf, "%s\n", pval);
1598 break;
1599 case ISCSI_IFACE_PARAM_ERL:
1600 len = sprintf(buf, "%d\n",
1601 (ha->ip_config.iscsi_options &
1602 ISCSIOPTS_ERL));
1603 break;
1604 case ISCSI_IFACE_PARAM_MAX_RECV_DLENGTH:
1605 len = sprintf(buf, "%u\n",
1606 ha->ip_config.iscsi_max_pdu_size *
1607 BYTE_UNITS);
1608 break;
1609 case ISCSI_IFACE_PARAM_FIRST_BURST:
1610 len = sprintf(buf, "%u\n",
1611 ha->ip_config.iscsi_first_burst_len *
1612 BYTE_UNITS);
1613 break;
1614 case ISCSI_IFACE_PARAM_MAX_R2T:
1615 len = sprintf(buf, "%d\n",
1616 ha->ip_config.iscsi_max_outstnd_r2t);
1617 break;
1618 case ISCSI_IFACE_PARAM_MAX_BURST:
1619 len = sprintf(buf, "%u\n",
1620 ha->ip_config.iscsi_max_burst_len *
1621 BYTE_UNITS);
1622 break;
1623 case ISCSI_IFACE_PARAM_CHAP_AUTH_EN:
1624 OP_STATE(ha->ip_config.iscsi_options,
1625 ISCSIOPTS_CHAP_AUTH_EN, pval);
1626
1627 len = sprintf(buf, "%s\n", pval);
1628 break;
1629 case ISCSI_IFACE_PARAM_BIDI_CHAP_EN:
1630 OP_STATE(ha->ip_config.iscsi_options,
1631 ISCSIOPTS_BIDI_CHAP_EN, pval);
1632
1633 len = sprintf(buf, "%s\n", pval);
1634 break;
1635 case ISCSI_IFACE_PARAM_DISCOVERY_AUTH_OPTIONAL:
1636 OP_STATE(ha->ip_config.iscsi_options,
1637 ISCSIOPTS_DISCOVERY_AUTH_EN, pval);
1638
1639 len = sprintf(buf, "%s\n", pval);
1640 break;
1641 case ISCSI_IFACE_PARAM_DISCOVERY_LOGOUT_EN:
1642 OP_STATE(ha->ip_config.iscsi_options,
1643 ISCSIOPTS_DISCOVERY_LOGOUT_EN, pval);
1644
1645 len = sprintf(buf, "%s\n", pval);
1646 break;
1647 case ISCSI_IFACE_PARAM_STRICT_LOGIN_COMP_EN:
1648 OP_STATE(ha->ip_config.iscsi_options,
1649 ISCSIOPTS_STRICT_LOGIN_COMP_EN, pval);
1650
1651 len = sprintf(buf, "%s\n", pval);
1652 break;
1653 case ISCSI_IFACE_PARAM_INITIATOR_NAME:
1654 len = sprintf(buf, "%s\n", ha->ip_config.iscsi_name);
1655 break;
1656 default:
1657 len = -ENOSYS;
1658 }
1659 }
1660
1661 return len;
1662}
1663
1664static struct iscsi_endpoint *
1665qla4xxx_ep_connect(struct Scsi_Host *shost, struct sockaddr *dst_addr,
1666 int non_blocking)
1667{
1668 int ret;
1669 struct iscsi_endpoint *ep;
1670 struct qla_endpoint *qla_ep;
1671 struct scsi_qla_host *ha;
1672 struct sockaddr_in *addr;
1673 struct sockaddr_in6 *addr6;
1674
1675 if (!shost) {
1676 ret = -ENXIO;
1677 pr_err("%s: shost is NULL\n", __func__);
1678 return ERR_PTR(ret);
1679 }
1680
1681 ha = iscsi_host_priv(shost);
1682 ep = iscsi_create_endpoint(sizeof(struct qla_endpoint));
1683 if (!ep) {
1684 ret = -ENOMEM;
1685 return ERR_PTR(ret);
1686 }
1687
1688 qla_ep = ep->dd_data;
1689 memset(qla_ep, 0, sizeof(struct qla_endpoint));
1690 if (dst_addr->sa_family == AF_INET) {
1691 memcpy(&qla_ep->dst_addr, dst_addr, sizeof(struct sockaddr_in));
1692 addr = (struct sockaddr_in *)&qla_ep->dst_addr;
1693 DEBUG2(ql4_printk(KERN_INFO, ha, "%s: %pI4\n", __func__,
1694 (char *)&addr->sin_addr));
1695 } else if (dst_addr->sa_family == AF_INET6) {
1696 memcpy(&qla_ep->dst_addr, dst_addr,
1697 sizeof(struct sockaddr_in6));
1698 addr6 = (struct sockaddr_in6 *)&qla_ep->dst_addr;
1699 DEBUG2(ql4_printk(KERN_INFO, ha, "%s: %pI6\n", __func__,
1700 (char *)&addr6->sin6_addr));
1701 } else {
1702 ql4_printk(KERN_WARNING, ha, "%s: Invalid endpoint\n",
1703 __func__);
1704 }
1705
1706 qla_ep->host = shost;
1707
1708 return ep;
1709}
1710
1711static int qla4xxx_ep_poll(struct iscsi_endpoint *ep, int timeout_ms)
1712{
1713 struct qla_endpoint *qla_ep;
1714 struct scsi_qla_host *ha;
1715 int ret = 0;
1716
1717 qla_ep = ep->dd_data;
1718 ha = to_qla_host(qla_ep->host);
1719 DEBUG2(pr_info_ratelimited("%s: host: %ld\n", __func__, ha->host_no));
1720
1721 if (adapter_up(ha) && !test_bit(AF_BUILD_DDB_LIST, &ha->flags))
1722 ret = 1;
1723
1724 return ret;
1725}
1726
1727static void qla4xxx_ep_disconnect(struct iscsi_endpoint *ep)
1728{
1729 struct qla_endpoint *qla_ep;
1730 struct scsi_qla_host *ha;
1731
1732 qla_ep = ep->dd_data;
1733 ha = to_qla_host(qla_ep->host);
1734 DEBUG2(ql4_printk(KERN_INFO, ha, "%s: host: %ld\n", __func__,
1735 ha->host_no));
1736 iscsi_destroy_endpoint(ep);
1737}
1738
1739static int qla4xxx_get_ep_param(struct iscsi_endpoint *ep,
1740 enum iscsi_param param,
1741 char *buf)
1742{
1743 struct qla_endpoint *qla_ep = ep->dd_data;
1744 struct sockaddr *dst_addr;
1745 struct scsi_qla_host *ha;
1746
1747 if (!qla_ep)
1748 return -ENOTCONN;
1749
1750 ha = to_qla_host(qla_ep->host);
1751 DEBUG2(ql4_printk(KERN_INFO, ha, "%s: host: %ld\n", __func__,
1752 ha->host_no));
1753
1754 switch (param) {
1755 case ISCSI_PARAM_CONN_PORT:
1756 case ISCSI_PARAM_CONN_ADDRESS:
1757 dst_addr = (struct sockaddr *)&qla_ep->dst_addr;
1758 if (!dst_addr)
1759 return -ENOTCONN;
1760
1761 return iscsi_conn_get_addr_param((struct sockaddr_storage *)
1762 &qla_ep->dst_addr, param, buf);
1763 default:
1764 return -ENOSYS;
1765 }
1766}
1767
1768static void qla4xxx_conn_get_stats(struct iscsi_cls_conn *cls_conn,
1769 struct iscsi_stats *stats)
1770{
1771 struct iscsi_session *sess;
1772 struct iscsi_cls_session *cls_sess;
1773 struct ddb_entry *ddb_entry;
1774 struct scsi_qla_host *ha;
1775 struct ql_iscsi_stats *ql_iscsi_stats;
1776 int stats_size;
1777 int ret;
1778 dma_addr_t iscsi_stats_dma;
1779
1780 cls_sess = iscsi_conn_to_session(cls_conn);
1781 sess = cls_sess->dd_data;
1782 ddb_entry = sess->dd_data;
1783 ha = ddb_entry->ha;
1784
1785 DEBUG2(ql4_printk(KERN_INFO, ha, "%s: host: %ld\n", __func__,
1786 ha->host_no));
1787 stats_size = PAGE_ALIGN(sizeof(struct ql_iscsi_stats));
1788
1789 ql_iscsi_stats = dma_alloc_coherent(&ha->pdev->dev, stats_size,
1790 &iscsi_stats_dma, GFP_KERNEL);
1791 if (!ql_iscsi_stats) {
1792 ql4_printk(KERN_ERR, ha,
1793 "Unable to allocate memory for iscsi stats\n");
1794 goto exit_get_stats;
1795 }
1796
1797 ret = qla4xxx_get_mgmt_data(ha, ddb_entry->fw_ddb_index, stats_size,
1798 iscsi_stats_dma);
1799 if (ret != QLA_SUCCESS) {
1800 ql4_printk(KERN_ERR, ha,
1801 "Unable to retrieve iscsi stats\n");
1802 goto free_stats;
1803 }
1804
1805
1806 stats->txdata_octets = le64_to_cpu(ql_iscsi_stats->tx_data_octets);
1807 stats->rxdata_octets = le64_to_cpu(ql_iscsi_stats->rx_data_octets);
1808
1809 stats->noptx_pdus = le32_to_cpu(ql_iscsi_stats->tx_nopout_pdus);
1810 stats->scsicmd_pdus = le32_to_cpu(ql_iscsi_stats->tx_scsi_cmd_pdus);
1811 stats->tmfcmd_pdus = le32_to_cpu(ql_iscsi_stats->tx_tmf_cmd_pdus);
1812 stats->login_pdus = le32_to_cpu(ql_iscsi_stats->tx_login_cmd_pdus);
1813 stats->text_pdus = le32_to_cpu(ql_iscsi_stats->tx_text_cmd_pdus);
1814 stats->dataout_pdus = le32_to_cpu(ql_iscsi_stats->tx_scsi_write_pdus);
1815 stats->logout_pdus = le32_to_cpu(ql_iscsi_stats->tx_logout_cmd_pdus);
1816 stats->snack_pdus = le32_to_cpu(ql_iscsi_stats->tx_snack_req_pdus);
1817
1818 stats->noprx_pdus = le32_to_cpu(ql_iscsi_stats->rx_nopin_pdus);
1819 stats->scsirsp_pdus = le32_to_cpu(ql_iscsi_stats->rx_scsi_resp_pdus);
1820 stats->tmfrsp_pdus = le32_to_cpu(ql_iscsi_stats->rx_tmf_resp_pdus);
1821 stats->textrsp_pdus = le32_to_cpu(ql_iscsi_stats->rx_text_resp_pdus);
1822 stats->datain_pdus = le32_to_cpu(ql_iscsi_stats->rx_scsi_read_pdus);
1823 stats->logoutrsp_pdus =
1824 le32_to_cpu(ql_iscsi_stats->rx_logout_resp_pdus);
1825 stats->r2t_pdus = le32_to_cpu(ql_iscsi_stats->rx_r2t_pdus);
1826 stats->async_pdus = le32_to_cpu(ql_iscsi_stats->rx_async_pdus);
1827 stats->rjt_pdus = le32_to_cpu(ql_iscsi_stats->rx_reject_pdus);
1828
1829free_stats:
1830 dma_free_coherent(&ha->pdev->dev, stats_size, ql_iscsi_stats,
1831 iscsi_stats_dma);
1832exit_get_stats:
1833 return;
1834}
1835
1836static enum blk_eh_timer_return qla4xxx_eh_cmd_timed_out(struct scsi_cmnd *sc)
1837{
1838 struct iscsi_cls_session *session;
1839 struct iscsi_session *sess;
1840 unsigned long flags;
1841 enum blk_eh_timer_return ret = BLK_EH_NOT_HANDLED;
1842
1843 session = starget_to_session(scsi_target(sc->device));
1844 sess = session->dd_data;
1845
1846 spin_lock_irqsave(&session->lock, flags);
1847 if (session->state == ISCSI_SESSION_FAILED)
1848 ret = BLK_EH_RESET_TIMER;
1849 spin_unlock_irqrestore(&session->lock, flags);
1850
1851 return ret;
1852}
1853
1854static void qla4xxx_set_port_speed(struct Scsi_Host *shost)
1855{
1856 struct scsi_qla_host *ha = to_qla_host(shost);
1857 struct iscsi_cls_host *ihost = shost->shost_data;
1858 uint32_t speed = ISCSI_PORT_SPEED_UNKNOWN;
1859
1860 qla4xxx_get_firmware_state(ha);
1861
1862 switch (ha->addl_fw_state & 0x0F00) {
1863 case FW_ADDSTATE_LINK_SPEED_10MBPS:
1864 speed = ISCSI_PORT_SPEED_10MBPS;
1865 break;
1866 case FW_ADDSTATE_LINK_SPEED_100MBPS:
1867 speed = ISCSI_PORT_SPEED_100MBPS;
1868 break;
1869 case FW_ADDSTATE_LINK_SPEED_1GBPS:
1870 speed = ISCSI_PORT_SPEED_1GBPS;
1871 break;
1872 case FW_ADDSTATE_LINK_SPEED_10GBPS:
1873 speed = ISCSI_PORT_SPEED_10GBPS;
1874 break;
1875 }
1876 ihost->port_speed = speed;
1877}
1878
1879static void qla4xxx_set_port_state(struct Scsi_Host *shost)
1880{
1881 struct scsi_qla_host *ha = to_qla_host(shost);
1882 struct iscsi_cls_host *ihost = shost->shost_data;
1883 uint32_t state = ISCSI_PORT_STATE_DOWN;
1884
1885 if (test_bit(AF_LINK_UP, &ha->flags))
1886 state = ISCSI_PORT_STATE_UP;
1887
1888 ihost->port_state = state;
1889}
1890
1891static int qla4xxx_host_get_param(struct Scsi_Host *shost,
1892 enum iscsi_host_param param, char *buf)
1893{
1894 struct scsi_qla_host *ha = to_qla_host(shost);
1895 int len;
1896
1897 switch (param) {
1898 case ISCSI_HOST_PARAM_HWADDRESS:
1899 len = sysfs_format_mac(buf, ha->my_mac, MAC_ADDR_LEN);
1900 break;
1901 case ISCSI_HOST_PARAM_IPADDRESS:
1902 len = sprintf(buf, "%pI4\n", &ha->ip_config.ip_address);
1903 break;
1904 case ISCSI_HOST_PARAM_INITIATOR_NAME:
1905 len = sprintf(buf, "%s\n", ha->name_string);
1906 break;
1907 case ISCSI_HOST_PARAM_PORT_STATE:
1908 qla4xxx_set_port_state(shost);
1909 len = sprintf(buf, "%s\n", iscsi_get_port_state_name(shost));
1910 break;
1911 case ISCSI_HOST_PARAM_PORT_SPEED:
1912 qla4xxx_set_port_speed(shost);
1913 len = sprintf(buf, "%s\n", iscsi_get_port_speed_name(shost));
1914 break;
1915 default:
1916 return -ENOSYS;
1917 }
1918
1919 return len;
1920}
1921
1922static void qla4xxx_create_ipv4_iface(struct scsi_qla_host *ha)
1923{
1924 if (ha->iface_ipv4)
1925 return;
1926
1927
1928 ha->iface_ipv4 = iscsi_create_iface(ha->host,
1929 &qla4xxx_iscsi_transport,
1930 ISCSI_IFACE_TYPE_IPV4, 0, 0);
1931 if (!ha->iface_ipv4)
1932 ql4_printk(KERN_ERR, ha, "Could not create IPv4 iSCSI "
1933 "iface0.\n");
1934}
1935
1936static void qla4xxx_create_ipv6_iface(struct scsi_qla_host *ha)
1937{
1938 if (!ha->iface_ipv6_0)
1939
1940 ha->iface_ipv6_0 = iscsi_create_iface(ha->host,
1941 &qla4xxx_iscsi_transport,
1942 ISCSI_IFACE_TYPE_IPV6, 0,
1943 0);
1944 if (!ha->iface_ipv6_0)
1945 ql4_printk(KERN_ERR, ha, "Could not create IPv6 iSCSI "
1946 "iface0.\n");
1947
1948 if (!ha->iface_ipv6_1)
1949
1950 ha->iface_ipv6_1 = iscsi_create_iface(ha->host,
1951 &qla4xxx_iscsi_transport,
1952 ISCSI_IFACE_TYPE_IPV6, 1,
1953 0);
1954 if (!ha->iface_ipv6_1)
1955 ql4_printk(KERN_ERR, ha, "Could not create IPv6 iSCSI "
1956 "iface1.\n");
1957}
1958
1959static void qla4xxx_create_ifaces(struct scsi_qla_host *ha)
1960{
1961 if (ha->ip_config.ipv4_options & IPOPT_IPV4_PROTOCOL_ENABLE)
1962 qla4xxx_create_ipv4_iface(ha);
1963
1964 if (ha->ip_config.ipv6_options & IPV6_OPT_IPV6_PROTOCOL_ENABLE)
1965 qla4xxx_create_ipv6_iface(ha);
1966}
1967
1968static void qla4xxx_destroy_ipv4_iface(struct scsi_qla_host *ha)
1969{
1970 if (ha->iface_ipv4) {
1971 iscsi_destroy_iface(ha->iface_ipv4);
1972 ha->iface_ipv4 = NULL;
1973 }
1974}
1975
1976static void qla4xxx_destroy_ipv6_iface(struct scsi_qla_host *ha)
1977{
1978 if (ha->iface_ipv6_0) {
1979 iscsi_destroy_iface(ha->iface_ipv6_0);
1980 ha->iface_ipv6_0 = NULL;
1981 }
1982 if (ha->iface_ipv6_1) {
1983 iscsi_destroy_iface(ha->iface_ipv6_1);
1984 ha->iface_ipv6_1 = NULL;
1985 }
1986}
1987
1988static void qla4xxx_destroy_ifaces(struct scsi_qla_host *ha)
1989{
1990 qla4xxx_destroy_ipv4_iface(ha);
1991 qla4xxx_destroy_ipv6_iface(ha);
1992}
1993
1994static void qla4xxx_set_ipv6(struct scsi_qla_host *ha,
1995 struct iscsi_iface_param_info *iface_param,
1996 struct addr_ctrl_blk *init_fw_cb)
1997{
1998
1999
2000
2001
2002 switch (iface_param->param) {
2003 case ISCSI_NET_PARAM_IPV6_ADDR:
2004 if (iface_param->iface_num & 0x1)
2005
2006 memcpy(init_fw_cb->ipv6_addr1, iface_param->value,
2007 sizeof(init_fw_cb->ipv6_addr1));
2008 else
2009
2010 memcpy(init_fw_cb->ipv6_addr0, iface_param->value,
2011 sizeof(init_fw_cb->ipv6_addr0));
2012 break;
2013 case ISCSI_NET_PARAM_IPV6_LINKLOCAL:
2014 if (iface_param->iface_num & 0x1)
2015 break;
2016 memcpy(init_fw_cb->ipv6_if_id, &iface_param->value[8],
2017 sizeof(init_fw_cb->ipv6_if_id));
2018 break;
2019 case ISCSI_NET_PARAM_IPV6_ROUTER:
2020 if (iface_param->iface_num & 0x1)
2021 break;
2022 memcpy(init_fw_cb->ipv6_dflt_rtr_addr, iface_param->value,
2023 sizeof(init_fw_cb->ipv6_dflt_rtr_addr));
2024 break;
2025 case ISCSI_NET_PARAM_IPV6_ADDR_AUTOCFG:
2026
2027 if (iface_param->iface_num & 0x1)
2028 break;
2029
2030 if (iface_param->value[0] == ISCSI_IPV6_AUTOCFG_DISABLE)
2031 init_fw_cb->ipv6_addtl_opts &=
2032 cpu_to_le16(
2033 ~IPV6_ADDOPT_NEIGHBOR_DISCOVERY_ADDR_ENABLE);
2034 else if (iface_param->value[0] == ISCSI_IPV6_AUTOCFG_ND_ENABLE)
2035 init_fw_cb->ipv6_addtl_opts |=
2036 cpu_to_le16(
2037 IPV6_ADDOPT_NEIGHBOR_DISCOVERY_ADDR_ENABLE);
2038 else
2039 ql4_printk(KERN_ERR, ha,
2040 "Invalid autocfg setting for IPv6 addr\n");
2041 break;
2042 case ISCSI_NET_PARAM_IPV6_LINKLOCAL_AUTOCFG:
2043
2044 if (iface_param->iface_num & 0x1)
2045 break;
2046
2047 if (iface_param->value[0] ==
2048 ISCSI_IPV6_LINKLOCAL_AUTOCFG_ENABLE)
2049 init_fw_cb->ipv6_addtl_opts |= cpu_to_le16(
2050 IPV6_ADDOPT_AUTOCONFIG_LINK_LOCAL_ADDR);
2051 else if (iface_param->value[0] ==
2052 ISCSI_IPV6_LINKLOCAL_AUTOCFG_DISABLE)
2053 init_fw_cb->ipv6_addtl_opts &= cpu_to_le16(
2054 ~IPV6_ADDOPT_AUTOCONFIG_LINK_LOCAL_ADDR);
2055 else
2056 ql4_printk(KERN_ERR, ha,
2057 "Invalid autocfg setting for IPv6 linklocal addr\n");
2058 break;
2059 case ISCSI_NET_PARAM_IPV6_ROUTER_AUTOCFG:
2060
2061 if (iface_param->iface_num & 0x1)
2062 break;
2063
2064 if (iface_param->value[0] == ISCSI_IPV6_ROUTER_AUTOCFG_ENABLE)
2065 memset(init_fw_cb->ipv6_dflt_rtr_addr, 0,
2066 sizeof(init_fw_cb->ipv6_dflt_rtr_addr));
2067 break;
2068 case ISCSI_NET_PARAM_IFACE_ENABLE:
2069 if (iface_param->value[0] == ISCSI_IFACE_ENABLE) {
2070 init_fw_cb->ipv6_opts |=
2071 cpu_to_le16(IPV6_OPT_IPV6_PROTOCOL_ENABLE);
2072 qla4xxx_create_ipv6_iface(ha);
2073 } else {
2074 init_fw_cb->ipv6_opts &=
2075 cpu_to_le16(~IPV6_OPT_IPV6_PROTOCOL_ENABLE &
2076 0xFFFF);
2077 qla4xxx_destroy_ipv6_iface(ha);
2078 }
2079 break;
2080 case ISCSI_NET_PARAM_VLAN_TAG:
2081 if (iface_param->len != sizeof(init_fw_cb->ipv6_vlan_tag))
2082 break;
2083 init_fw_cb->ipv6_vlan_tag =
2084 cpu_to_be16(*(uint16_t *)iface_param->value);
2085 break;
2086 case ISCSI_NET_PARAM_VLAN_ENABLED:
2087 if (iface_param->value[0] == ISCSI_VLAN_ENABLE)
2088 init_fw_cb->ipv6_opts |=
2089 cpu_to_le16(IPV6_OPT_VLAN_TAGGING_ENABLE);
2090 else
2091 init_fw_cb->ipv6_opts &=
2092 cpu_to_le16(~IPV6_OPT_VLAN_TAGGING_ENABLE);
2093 break;
2094 case ISCSI_NET_PARAM_MTU:
2095 init_fw_cb->eth_mtu_size =
2096 cpu_to_le16(*(uint16_t *)iface_param->value);
2097 break;
2098 case ISCSI_NET_PARAM_PORT:
2099
2100 if (iface_param->iface_num & 0x1)
2101 break;
2102
2103 init_fw_cb->ipv6_port =
2104 cpu_to_le16(*(uint16_t *)iface_param->value);
2105 break;
2106 case ISCSI_NET_PARAM_DELAYED_ACK_EN:
2107 if (iface_param->iface_num & 0x1)
2108 break;
2109 if (iface_param->value[0] == ISCSI_NET_PARAM_DISABLE)
2110 init_fw_cb->ipv6_tcp_opts |=
2111 cpu_to_le16(IPV6_TCPOPT_DELAYED_ACK_DISABLE);
2112 else
2113 init_fw_cb->ipv6_tcp_opts &=
2114 cpu_to_le16(~IPV6_TCPOPT_DELAYED_ACK_DISABLE &
2115 0xFFFF);
2116 break;
2117 case ISCSI_NET_PARAM_TCP_NAGLE_DISABLE:
2118 if (iface_param->iface_num & 0x1)
2119 break;
2120 if (iface_param->value[0] == ISCSI_NET_PARAM_DISABLE)
2121 init_fw_cb->ipv6_tcp_opts |=
2122 cpu_to_le16(IPV6_TCPOPT_NAGLE_ALGO_DISABLE);
2123 else
2124 init_fw_cb->ipv6_tcp_opts &=
2125 cpu_to_le16(~IPV6_TCPOPT_NAGLE_ALGO_DISABLE);
2126 break;
2127 case ISCSI_NET_PARAM_TCP_WSF_DISABLE:
2128 if (iface_param->iface_num & 0x1)
2129 break;
2130 if (iface_param->value[0] == ISCSI_NET_PARAM_DISABLE)
2131 init_fw_cb->ipv6_tcp_opts |=
2132 cpu_to_le16(IPV6_TCPOPT_WINDOW_SCALE_DISABLE);
2133 else
2134 init_fw_cb->ipv6_tcp_opts &=
2135 cpu_to_le16(~IPV6_TCPOPT_WINDOW_SCALE_DISABLE);
2136 break;
2137 case ISCSI_NET_PARAM_TCP_WSF:
2138 if (iface_param->iface_num & 0x1)
2139 break;
2140 init_fw_cb->ipv6_tcp_wsf = iface_param->value[0];
2141 break;
2142 case ISCSI_NET_PARAM_TCP_TIMER_SCALE:
2143 if (iface_param->iface_num & 0x1)
2144 break;
2145 init_fw_cb->ipv6_tcp_opts &=
2146 cpu_to_le16(~IPV6_TCPOPT_TIMER_SCALE);
2147 init_fw_cb->ipv6_tcp_opts |=
2148 cpu_to_le16((iface_param->value[0] << 1) &
2149 IPV6_TCPOPT_TIMER_SCALE);
2150 break;
2151 case ISCSI_NET_PARAM_TCP_TIMESTAMP_EN:
2152 if (iface_param->iface_num & 0x1)
2153 break;
2154 if (iface_param->value[0] == ISCSI_NET_PARAM_ENABLE)
2155 init_fw_cb->ipv6_tcp_opts |=
2156 cpu_to_le16(IPV6_TCPOPT_TIMESTAMP_EN);
2157 else
2158 init_fw_cb->ipv6_tcp_opts &=
2159 cpu_to_le16(~IPV6_TCPOPT_TIMESTAMP_EN);
2160 break;
2161 case ISCSI_NET_PARAM_IPV6_GRAT_NEIGHBOR_ADV_EN:
2162 if (iface_param->iface_num & 0x1)
2163 break;
2164 if (iface_param->value[0] == ISCSI_NET_PARAM_ENABLE)
2165 init_fw_cb->ipv6_opts |=
2166 cpu_to_le16(IPV6_OPT_GRAT_NEIGHBOR_ADV_EN);
2167 else
2168 init_fw_cb->ipv6_opts &=
2169 cpu_to_le16(~IPV6_OPT_GRAT_NEIGHBOR_ADV_EN);
2170 break;
2171 case ISCSI_NET_PARAM_REDIRECT_EN:
2172 if (iface_param->iface_num & 0x1)
2173 break;
2174 if (iface_param->value[0] == ISCSI_NET_PARAM_ENABLE)
2175 init_fw_cb->ipv6_opts |=
2176 cpu_to_le16(IPV6_OPT_REDIRECT_EN);
2177 else
2178 init_fw_cb->ipv6_opts &=
2179 cpu_to_le16(~IPV6_OPT_REDIRECT_EN);
2180 break;
2181 case ISCSI_NET_PARAM_IPV6_MLD_EN:
2182 if (iface_param->iface_num & 0x1)
2183 break;
2184 if (iface_param->value[0] == ISCSI_NET_PARAM_ENABLE)
2185 init_fw_cb->ipv6_addtl_opts |=
2186 cpu_to_le16(IPV6_ADDOPT_MLD_EN);
2187 else
2188 init_fw_cb->ipv6_addtl_opts &=
2189 cpu_to_le16(~IPV6_ADDOPT_MLD_EN);
2190 break;
2191 case ISCSI_NET_PARAM_IPV6_FLOW_LABEL:
2192 if (iface_param->iface_num & 0x1)
2193 break;
2194 init_fw_cb->ipv6_flow_lbl =
2195 cpu_to_le16(*(uint16_t *)iface_param->value);
2196 break;
2197 case ISCSI_NET_PARAM_IPV6_TRAFFIC_CLASS:
2198 if (iface_param->iface_num & 0x1)
2199 break;
2200 init_fw_cb->ipv6_traffic_class = iface_param->value[0];
2201 break;
2202 case ISCSI_NET_PARAM_IPV6_HOP_LIMIT:
2203 if (iface_param->iface_num & 0x1)
2204 break;
2205 init_fw_cb->ipv6_hop_limit = iface_param->value[0];
2206 break;
2207 case ISCSI_NET_PARAM_IPV6_ND_REACHABLE_TMO:
2208 if (iface_param->iface_num & 0x1)
2209 break;
2210 init_fw_cb->ipv6_nd_reach_time =
2211 cpu_to_le32(*(uint32_t *)iface_param->value);
2212 break;
2213 case ISCSI_NET_PARAM_IPV6_ND_REXMIT_TIME:
2214 if (iface_param->iface_num & 0x1)
2215 break;
2216 init_fw_cb->ipv6_nd_rexmit_timer =
2217 cpu_to_le32(*(uint32_t *)iface_param->value);
2218 break;
2219 case ISCSI_NET_PARAM_IPV6_ND_STALE_TMO:
2220 if (iface_param->iface_num & 0x1)
2221 break;
2222 init_fw_cb->ipv6_nd_stale_timeout =
2223 cpu_to_le32(*(uint32_t *)iface_param->value);
2224 break;
2225 case ISCSI_NET_PARAM_IPV6_DUP_ADDR_DETECT_CNT:
2226 if (iface_param->iface_num & 0x1)
2227 break;
2228 init_fw_cb->ipv6_dup_addr_detect_count = iface_param->value[0];
2229 break;
2230 case ISCSI_NET_PARAM_IPV6_RTR_ADV_LINK_MTU:
2231 if (iface_param->iface_num & 0x1)
2232 break;
2233 init_fw_cb->ipv6_gw_advrt_mtu =
2234 cpu_to_le32(*(uint32_t *)iface_param->value);
2235 break;
2236 default:
2237 ql4_printk(KERN_ERR, ha, "Unknown IPv6 param = %d\n",
2238 iface_param->param);
2239 break;
2240 }
2241}
2242
2243static void qla4xxx_set_ipv4(struct scsi_qla_host *ha,
2244 struct iscsi_iface_param_info *iface_param,
2245 struct addr_ctrl_blk *init_fw_cb)
2246{
2247 switch (iface_param->param) {
2248 case ISCSI_NET_PARAM_IPV4_ADDR:
2249 memcpy(init_fw_cb->ipv4_addr, iface_param->value,
2250 sizeof(init_fw_cb->ipv4_addr));
2251 break;
2252 case ISCSI_NET_PARAM_IPV4_SUBNET:
2253 memcpy(init_fw_cb->ipv4_subnet, iface_param->value,
2254 sizeof(init_fw_cb->ipv4_subnet));
2255 break;
2256 case ISCSI_NET_PARAM_IPV4_GW:
2257 memcpy(init_fw_cb->ipv4_gw_addr, iface_param->value,
2258 sizeof(init_fw_cb->ipv4_gw_addr));
2259 break;
2260 case ISCSI_NET_PARAM_IPV4_BOOTPROTO:
2261 if (iface_param->value[0] == ISCSI_BOOTPROTO_DHCP)
2262 init_fw_cb->ipv4_tcp_opts |=
2263 cpu_to_le16(TCPOPT_DHCP_ENABLE);
2264 else if (iface_param->value[0] == ISCSI_BOOTPROTO_STATIC)
2265 init_fw_cb->ipv4_tcp_opts &=
2266 cpu_to_le16(~TCPOPT_DHCP_ENABLE);
2267 else
2268 ql4_printk(KERN_ERR, ha, "Invalid IPv4 bootproto\n");
2269 break;
2270 case ISCSI_NET_PARAM_IFACE_ENABLE:
2271 if (iface_param->value[0] == ISCSI_IFACE_ENABLE) {
2272 init_fw_cb->ipv4_ip_opts |=
2273 cpu_to_le16(IPOPT_IPV4_PROTOCOL_ENABLE);
2274 qla4xxx_create_ipv4_iface(ha);
2275 } else {
2276 init_fw_cb->ipv4_ip_opts &=
2277 cpu_to_le16(~IPOPT_IPV4_PROTOCOL_ENABLE &
2278 0xFFFF);
2279 qla4xxx_destroy_ipv4_iface(ha);
2280 }
2281 break;
2282 case ISCSI_NET_PARAM_VLAN_TAG:
2283 if (iface_param->len != sizeof(init_fw_cb->ipv4_vlan_tag))
2284 break;
2285 init_fw_cb->ipv4_vlan_tag =
2286 cpu_to_be16(*(uint16_t *)iface_param->value);
2287 break;
2288 case ISCSI_NET_PARAM_VLAN_ENABLED:
2289 if (iface_param->value[0] == ISCSI_VLAN_ENABLE)
2290 init_fw_cb->ipv4_ip_opts |=
2291 cpu_to_le16(IPOPT_VLAN_TAGGING_ENABLE);
2292 else
2293 init_fw_cb->ipv4_ip_opts &=
2294 cpu_to_le16(~IPOPT_VLAN_TAGGING_ENABLE);
2295 break;
2296 case ISCSI_NET_PARAM_MTU:
2297 init_fw_cb->eth_mtu_size =
2298 cpu_to_le16(*(uint16_t *)iface_param->value);
2299 break;
2300 case ISCSI_NET_PARAM_PORT:
2301 init_fw_cb->ipv4_port =
2302 cpu_to_le16(*(uint16_t *)iface_param->value);
2303 break;
2304 case ISCSI_NET_PARAM_DELAYED_ACK_EN:
2305 if (iface_param->iface_num & 0x1)
2306 break;
2307 if (iface_param->value[0] == ISCSI_NET_PARAM_DISABLE)
2308 init_fw_cb->ipv4_tcp_opts |=
2309 cpu_to_le16(TCPOPT_DELAYED_ACK_DISABLE);
2310 else
2311 init_fw_cb->ipv4_tcp_opts &=
2312 cpu_to_le16(~TCPOPT_DELAYED_ACK_DISABLE &
2313 0xFFFF);
2314 break;
2315 case ISCSI_NET_PARAM_TCP_NAGLE_DISABLE:
2316 if (iface_param->iface_num & 0x1)
2317 break;
2318 if (iface_param->value[0] == ISCSI_NET_PARAM_DISABLE)
2319 init_fw_cb->ipv4_tcp_opts |=
2320 cpu_to_le16(TCPOPT_NAGLE_ALGO_DISABLE);
2321 else
2322 init_fw_cb->ipv4_tcp_opts &=
2323 cpu_to_le16(~TCPOPT_NAGLE_ALGO_DISABLE);
2324 break;
2325 case ISCSI_NET_PARAM_TCP_WSF_DISABLE:
2326 if (iface_param->iface_num & 0x1)
2327 break;
2328 if (iface_param->value[0] == ISCSI_NET_PARAM_DISABLE)
2329 init_fw_cb->ipv4_tcp_opts |=
2330 cpu_to_le16(TCPOPT_WINDOW_SCALE_DISABLE);
2331 else
2332 init_fw_cb->ipv4_tcp_opts &=
2333 cpu_to_le16(~TCPOPT_WINDOW_SCALE_DISABLE);
2334 break;
2335 case ISCSI_NET_PARAM_TCP_WSF:
2336 if (iface_param->iface_num & 0x1)
2337 break;
2338 init_fw_cb->ipv4_tcp_wsf = iface_param->value[0];
2339 break;
2340 case ISCSI_NET_PARAM_TCP_TIMER_SCALE:
2341 if (iface_param->iface_num & 0x1)
2342 break;
2343 init_fw_cb->ipv4_tcp_opts &= cpu_to_le16(~TCPOPT_TIMER_SCALE);
2344 init_fw_cb->ipv4_tcp_opts |=
2345 cpu_to_le16((iface_param->value[0] << 1) &
2346 TCPOPT_TIMER_SCALE);
2347 break;
2348 case ISCSI_NET_PARAM_TCP_TIMESTAMP_EN:
2349 if (iface_param->iface_num & 0x1)
2350 break;
2351 if (iface_param->value[0] == ISCSI_NET_PARAM_ENABLE)
2352 init_fw_cb->ipv4_tcp_opts |=
2353 cpu_to_le16(TCPOPT_TIMESTAMP_ENABLE);
2354 else
2355 init_fw_cb->ipv4_tcp_opts &=
2356 cpu_to_le16(~TCPOPT_TIMESTAMP_ENABLE);
2357 break;
2358 case ISCSI_NET_PARAM_IPV4_DHCP_DNS_ADDR_EN:
2359 if (iface_param->iface_num & 0x1)
2360 break;
2361 if (iface_param->value[0] == ISCSI_NET_PARAM_ENABLE)
2362 init_fw_cb->ipv4_tcp_opts |=
2363 cpu_to_le16(TCPOPT_DNS_SERVER_IP_EN);
2364 else
2365 init_fw_cb->ipv4_tcp_opts &=
2366 cpu_to_le16(~TCPOPT_DNS_SERVER_IP_EN);
2367 break;
2368 case ISCSI_NET_PARAM_IPV4_DHCP_SLP_DA_EN:
2369 if (iface_param->iface_num & 0x1)
2370 break;
2371 if (iface_param->value[0] == ISCSI_NET_PARAM_ENABLE)
2372 init_fw_cb->ipv4_tcp_opts |=
2373 cpu_to_le16(TCPOPT_SLP_DA_INFO_EN);
2374 else
2375 init_fw_cb->ipv4_tcp_opts &=
2376 cpu_to_le16(~TCPOPT_SLP_DA_INFO_EN);
2377 break;
2378 case ISCSI_NET_PARAM_IPV4_TOS_EN:
2379 if (iface_param->iface_num & 0x1)
2380 break;
2381 if (iface_param->value[0] == ISCSI_NET_PARAM_ENABLE)
2382 init_fw_cb->ipv4_ip_opts |=
2383 cpu_to_le16(IPOPT_IPV4_TOS_EN);
2384 else
2385 init_fw_cb->ipv4_ip_opts &=
2386 cpu_to_le16(~IPOPT_IPV4_TOS_EN);
2387 break;
2388 case ISCSI_NET_PARAM_IPV4_TOS:
2389 if (iface_param->iface_num & 0x1)
2390 break;
2391 init_fw_cb->ipv4_tos = iface_param->value[0];
2392 break;
2393 case ISCSI_NET_PARAM_IPV4_GRAT_ARP_EN:
2394 if (iface_param->iface_num & 0x1)
2395 break;
2396 if (iface_param->value[0] == ISCSI_NET_PARAM_ENABLE)
2397 init_fw_cb->ipv4_ip_opts |=
2398 cpu_to_le16(IPOPT_GRAT_ARP_EN);
2399 else
2400 init_fw_cb->ipv4_ip_opts &=
2401 cpu_to_le16(~IPOPT_GRAT_ARP_EN);
2402 break;
2403 case ISCSI_NET_PARAM_IPV4_DHCP_ALT_CLIENT_ID_EN:
2404 if (iface_param->iface_num & 0x1)
2405 break;
2406 if (iface_param->value[0] == ISCSI_NET_PARAM_ENABLE)
2407 init_fw_cb->ipv4_ip_opts |=
2408 cpu_to_le16(IPOPT_ALT_CID_EN);
2409 else
2410 init_fw_cb->ipv4_ip_opts &=
2411 cpu_to_le16(~IPOPT_ALT_CID_EN);
2412 break;
2413 case ISCSI_NET_PARAM_IPV4_DHCP_ALT_CLIENT_ID:
2414 if (iface_param->iface_num & 0x1)
2415 break;
2416 memcpy(init_fw_cb->ipv4_dhcp_alt_cid, iface_param->value,
2417 (sizeof(init_fw_cb->ipv4_dhcp_alt_cid) - 1));
2418 init_fw_cb->ipv4_dhcp_alt_cid_len =
2419 strlen(init_fw_cb->ipv4_dhcp_alt_cid);
2420 break;
2421 case ISCSI_NET_PARAM_IPV4_DHCP_REQ_VENDOR_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_REQ_VID_EN);
2427 else
2428 init_fw_cb->ipv4_ip_opts &=
2429 cpu_to_le16(~IPOPT_REQ_VID_EN);
2430 break;
2431 case ISCSI_NET_PARAM_IPV4_DHCP_USE_VENDOR_ID_EN:
2432 if (iface_param->iface_num & 0x1)
2433 break;
2434 if (iface_param->value[0] == ISCSI_NET_PARAM_ENABLE)
2435 init_fw_cb->ipv4_ip_opts |=
2436 cpu_to_le16(IPOPT_USE_VID_EN);
2437 else
2438 init_fw_cb->ipv4_ip_opts &=
2439 cpu_to_le16(~IPOPT_USE_VID_EN);
2440 break;
2441 case ISCSI_NET_PARAM_IPV4_DHCP_VENDOR_ID:
2442 if (iface_param->iface_num & 0x1)
2443 break;
2444 memcpy(init_fw_cb->ipv4_dhcp_vid, iface_param->value,
2445 (sizeof(init_fw_cb->ipv4_dhcp_vid) - 1));
2446 init_fw_cb->ipv4_dhcp_vid_len =
2447 strlen(init_fw_cb->ipv4_dhcp_vid);
2448 break;
2449 case ISCSI_NET_PARAM_IPV4_DHCP_LEARN_IQN_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_LEARN_IQN_EN);
2455 else
2456 init_fw_cb->ipv4_ip_opts &=
2457 cpu_to_le16(~IPOPT_LEARN_IQN_EN);
2458 break;
2459 case ISCSI_NET_PARAM_IPV4_FRAGMENT_DISABLE:
2460 if (iface_param->iface_num & 0x1)
2461 break;
2462 if (iface_param->value[0] == ISCSI_NET_PARAM_DISABLE)
2463 init_fw_cb->ipv4_ip_opts |=
2464 cpu_to_le16(IPOPT_FRAGMENTATION_DISABLE);
2465 else
2466 init_fw_cb->ipv4_ip_opts &=
2467 cpu_to_le16(~IPOPT_FRAGMENTATION_DISABLE);
2468 break;
2469 case ISCSI_NET_PARAM_IPV4_IN_FORWARD_EN:
2470 if (iface_param->iface_num & 0x1)
2471 break;
2472 if (iface_param->value[0] == ISCSI_NET_PARAM_ENABLE)
2473 init_fw_cb->ipv4_ip_opts |=
2474 cpu_to_le16(IPOPT_IN_FORWARD_EN);
2475 else
2476 init_fw_cb->ipv4_ip_opts &=
2477 cpu_to_le16(~IPOPT_IN_FORWARD_EN);
2478 break;
2479 case ISCSI_NET_PARAM_REDIRECT_EN:
2480 if (iface_param->iface_num & 0x1)
2481 break;
2482 if (iface_param->value[0] == ISCSI_NET_PARAM_ENABLE)
2483 init_fw_cb->ipv4_ip_opts |=
2484 cpu_to_le16(IPOPT_ARP_REDIRECT_EN);
2485 else
2486 init_fw_cb->ipv4_ip_opts &=
2487 cpu_to_le16(~IPOPT_ARP_REDIRECT_EN);
2488 break;
2489 case ISCSI_NET_PARAM_IPV4_TTL:
2490 if (iface_param->iface_num & 0x1)
2491 break;
2492 init_fw_cb->ipv4_ttl = iface_param->value[0];
2493 break;
2494 default:
2495 ql4_printk(KERN_ERR, ha, "Unknown IPv4 param = %d\n",
2496 iface_param->param);
2497 break;
2498 }
2499}
2500
2501static void qla4xxx_set_iscsi_param(struct scsi_qla_host *ha,
2502 struct iscsi_iface_param_info *iface_param,
2503 struct addr_ctrl_blk *init_fw_cb)
2504{
2505 switch (iface_param->param) {
2506 case ISCSI_IFACE_PARAM_DEF_TASKMGMT_TMO:
2507 if (iface_param->iface_num & 0x1)
2508 break;
2509 init_fw_cb->def_timeout =
2510 cpu_to_le16(*(uint16_t *)iface_param->value);
2511 break;
2512 case ISCSI_IFACE_PARAM_HDRDGST_EN:
2513 if (iface_param->iface_num & 0x1)
2514 break;
2515 if (iface_param->value[0] == ISCSI_NET_PARAM_ENABLE)
2516 init_fw_cb->iscsi_opts |=
2517 cpu_to_le16(ISCSIOPTS_HEADER_DIGEST_EN);
2518 else
2519 init_fw_cb->iscsi_opts &=
2520 cpu_to_le16(~ISCSIOPTS_HEADER_DIGEST_EN);
2521 break;
2522 case ISCSI_IFACE_PARAM_DATADGST_EN:
2523 if (iface_param->iface_num & 0x1)
2524 break;
2525 if (iface_param->value[0] == ISCSI_NET_PARAM_ENABLE)
2526 init_fw_cb->iscsi_opts |=
2527 cpu_to_le16(ISCSIOPTS_DATA_DIGEST_EN);
2528 else
2529 init_fw_cb->iscsi_opts &=
2530 cpu_to_le16(~ISCSIOPTS_DATA_DIGEST_EN);
2531 break;
2532 case ISCSI_IFACE_PARAM_IMM_DATA_EN:
2533 if (iface_param->iface_num & 0x1)
2534 break;
2535 if (iface_param->value[0] == ISCSI_NET_PARAM_ENABLE)
2536 init_fw_cb->iscsi_opts |=
2537 cpu_to_le16(ISCSIOPTS_IMMEDIATE_DATA_EN);
2538 else
2539 init_fw_cb->iscsi_opts &=
2540 cpu_to_le16(~ISCSIOPTS_IMMEDIATE_DATA_EN);
2541 break;
2542 case ISCSI_IFACE_PARAM_INITIAL_R2T_EN:
2543 if (iface_param->iface_num & 0x1)
2544 break;
2545 if (iface_param->value[0] == ISCSI_NET_PARAM_ENABLE)
2546 init_fw_cb->iscsi_opts |=
2547 cpu_to_le16(ISCSIOPTS_INITIAL_R2T_EN);
2548 else
2549 init_fw_cb->iscsi_opts &=
2550 cpu_to_le16(~ISCSIOPTS_INITIAL_R2T_EN);
2551 break;
2552 case ISCSI_IFACE_PARAM_DATASEQ_INORDER_EN:
2553 if (iface_param->iface_num & 0x1)
2554 break;
2555 if (iface_param->value[0] == ISCSI_NET_PARAM_ENABLE)
2556 init_fw_cb->iscsi_opts |=
2557 cpu_to_le16(ISCSIOPTS_DATA_SEQ_INORDER_EN);
2558 else
2559 init_fw_cb->iscsi_opts &=
2560 cpu_to_le16(~ISCSIOPTS_DATA_SEQ_INORDER_EN);
2561 break;
2562 case ISCSI_IFACE_PARAM_PDU_INORDER_EN:
2563 if (iface_param->iface_num & 0x1)
2564 break;
2565 if (iface_param->value[0] == ISCSI_NET_PARAM_ENABLE)
2566 init_fw_cb->iscsi_opts |=
2567 cpu_to_le16(ISCSIOPTS_DATA_PDU_INORDER_EN);
2568 else
2569 init_fw_cb->iscsi_opts &=
2570 cpu_to_le16(~ISCSIOPTS_DATA_PDU_INORDER_EN);
2571 break;
2572 case ISCSI_IFACE_PARAM_ERL:
2573 if (iface_param->iface_num & 0x1)
2574 break;
2575 init_fw_cb->iscsi_opts &= cpu_to_le16(~ISCSIOPTS_ERL);
2576 init_fw_cb->iscsi_opts |= cpu_to_le16(iface_param->value[0] &
2577 ISCSIOPTS_ERL);
2578 break;
2579 case ISCSI_IFACE_PARAM_MAX_RECV_DLENGTH:
2580 if (iface_param->iface_num & 0x1)
2581 break;
2582 init_fw_cb->iscsi_max_pdu_size =
2583 cpu_to_le32(*(uint32_t *)iface_param->value) /
2584 BYTE_UNITS;
2585 break;
2586 case ISCSI_IFACE_PARAM_FIRST_BURST:
2587 if (iface_param->iface_num & 0x1)
2588 break;
2589 init_fw_cb->iscsi_fburst_len =
2590 cpu_to_le32(*(uint32_t *)iface_param->value) /
2591 BYTE_UNITS;
2592 break;
2593 case ISCSI_IFACE_PARAM_MAX_R2T:
2594 if (iface_param->iface_num & 0x1)
2595 break;
2596 init_fw_cb->iscsi_max_outstnd_r2t =
2597 cpu_to_le16(*(uint16_t *)iface_param->value);
2598 break;
2599 case ISCSI_IFACE_PARAM_MAX_BURST:
2600 if (iface_param->iface_num & 0x1)
2601 break;
2602 init_fw_cb->iscsi_max_burst_len =
2603 cpu_to_le32(*(uint32_t *)iface_param->value) /
2604 BYTE_UNITS;
2605 break;
2606 case ISCSI_IFACE_PARAM_CHAP_AUTH_EN:
2607 if (iface_param->iface_num & 0x1)
2608 break;
2609 if (iface_param->value[0] == ISCSI_NET_PARAM_ENABLE)
2610 init_fw_cb->iscsi_opts |=
2611 cpu_to_le16(ISCSIOPTS_CHAP_AUTH_EN);
2612 else
2613 init_fw_cb->iscsi_opts &=
2614 cpu_to_le16(~ISCSIOPTS_CHAP_AUTH_EN);
2615 break;
2616 case ISCSI_IFACE_PARAM_BIDI_CHAP_EN:
2617 if (iface_param->iface_num & 0x1)
2618 break;
2619 if (iface_param->value[0] == ISCSI_NET_PARAM_ENABLE)
2620 init_fw_cb->iscsi_opts |=
2621 cpu_to_le16(ISCSIOPTS_BIDI_CHAP_EN);
2622 else
2623 init_fw_cb->iscsi_opts &=
2624 cpu_to_le16(~ISCSIOPTS_BIDI_CHAP_EN);
2625 break;
2626 case ISCSI_IFACE_PARAM_DISCOVERY_AUTH_OPTIONAL:
2627 if (iface_param->iface_num & 0x1)
2628 break;
2629 if (iface_param->value[0] == ISCSI_NET_PARAM_ENABLE)
2630 init_fw_cb->iscsi_opts |=
2631 cpu_to_le16(ISCSIOPTS_DISCOVERY_AUTH_EN);
2632 else
2633 init_fw_cb->iscsi_opts &=
2634 cpu_to_le16(~ISCSIOPTS_DISCOVERY_AUTH_EN);
2635 break;
2636 case ISCSI_IFACE_PARAM_DISCOVERY_LOGOUT_EN:
2637 if (iface_param->iface_num & 0x1)
2638 break;
2639 if (iface_param->value[0] == ISCSI_NET_PARAM_ENABLE)
2640 init_fw_cb->iscsi_opts |=
2641 cpu_to_le16(ISCSIOPTS_DISCOVERY_LOGOUT_EN);
2642 else
2643 init_fw_cb->iscsi_opts &=
2644 cpu_to_le16(~ISCSIOPTS_DISCOVERY_LOGOUT_EN);
2645 break;
2646 case ISCSI_IFACE_PARAM_STRICT_LOGIN_COMP_EN:
2647 if (iface_param->iface_num & 0x1)
2648 break;
2649 if (iface_param->value[0] == ISCSI_NET_PARAM_ENABLE)
2650 init_fw_cb->iscsi_opts |=
2651 cpu_to_le16(ISCSIOPTS_STRICT_LOGIN_COMP_EN);
2652 else
2653 init_fw_cb->iscsi_opts &=
2654 cpu_to_le16(~ISCSIOPTS_STRICT_LOGIN_COMP_EN);
2655 break;
2656 default:
2657 ql4_printk(KERN_ERR, ha, "Unknown iscsi param = %d\n",
2658 iface_param->param);
2659 break;
2660 }
2661}
2662
2663static void
2664qla4xxx_initcb_to_acb(struct addr_ctrl_blk *init_fw_cb)
2665{
2666 struct addr_ctrl_blk_def *acb;
2667 acb = (struct addr_ctrl_blk_def *)init_fw_cb;
2668 memset(acb->reserved1, 0, sizeof(acb->reserved1));
2669 memset(acb->reserved2, 0, sizeof(acb->reserved2));
2670 memset(acb->reserved3, 0, sizeof(acb->reserved3));
2671 memset(acb->reserved4, 0, sizeof(acb->reserved4));
2672 memset(acb->reserved5, 0, sizeof(acb->reserved5));
2673 memset(acb->reserved6, 0, sizeof(acb->reserved6));
2674 memset(acb->reserved7, 0, sizeof(acb->reserved7));
2675 memset(acb->reserved8, 0, sizeof(acb->reserved8));
2676 memset(acb->reserved9, 0, sizeof(acb->reserved9));
2677 memset(acb->reserved10, 0, sizeof(acb->reserved10));
2678 memset(acb->reserved11, 0, sizeof(acb->reserved11));
2679 memset(acb->reserved12, 0, sizeof(acb->reserved12));
2680 memset(acb->reserved13, 0, sizeof(acb->reserved13));
2681 memset(acb->reserved14, 0, sizeof(acb->reserved14));
2682 memset(acb->reserved15, 0, sizeof(acb->reserved15));
2683}
2684
2685static int
2686qla4xxx_iface_set_param(struct Scsi_Host *shost, void *data, uint32_t len)
2687{
2688 struct scsi_qla_host *ha = to_qla_host(shost);
2689 int rval = 0;
2690 struct iscsi_iface_param_info *iface_param = NULL;
2691 struct addr_ctrl_blk *init_fw_cb = NULL;
2692 dma_addr_t init_fw_cb_dma;
2693 uint32_t mbox_cmd[MBOX_REG_COUNT];
2694 uint32_t mbox_sts[MBOX_REG_COUNT];
2695 uint32_t rem = len;
2696 struct nlattr *attr;
2697
2698 init_fw_cb = dma_alloc_coherent(&ha->pdev->dev,
2699 sizeof(struct addr_ctrl_blk),
2700 &init_fw_cb_dma, GFP_KERNEL);
2701 if (!init_fw_cb) {
2702 ql4_printk(KERN_ERR, ha, "%s: Unable to alloc init_cb\n",
2703 __func__);
2704 return -ENOMEM;
2705 }
2706
2707 memset(init_fw_cb, 0, sizeof(struct addr_ctrl_blk));
2708 memset(&mbox_cmd, 0, sizeof(mbox_cmd));
2709 memset(&mbox_sts, 0, sizeof(mbox_sts));
2710
2711 if (qla4xxx_get_ifcb(ha, &mbox_cmd[0], &mbox_sts[0], init_fw_cb_dma)) {
2712 ql4_printk(KERN_ERR, ha, "%s: get ifcb failed\n", __func__);
2713 rval = -EIO;
2714 goto exit_init_fw_cb;
2715 }
2716
2717 nla_for_each_attr(attr, data, len, rem) {
2718 iface_param = nla_data(attr);
2719
2720 if (iface_param->param_type == ISCSI_NET_PARAM) {
2721 switch (iface_param->iface_type) {
2722 case ISCSI_IFACE_TYPE_IPV4:
2723 switch (iface_param->iface_num) {
2724 case 0:
2725 qla4xxx_set_ipv4(ha, iface_param,
2726 init_fw_cb);
2727 break;
2728 default:
2729
2730 ql4_printk(KERN_ERR, ha,
2731 "Invalid IPv4 iface number = %d\n",
2732 iface_param->iface_num);
2733 break;
2734 }
2735 break;
2736 case ISCSI_IFACE_TYPE_IPV6:
2737 switch (iface_param->iface_num) {
2738 case 0:
2739 case 1:
2740 qla4xxx_set_ipv6(ha, iface_param,
2741 init_fw_cb);
2742 break;
2743 default:
2744
2745 ql4_printk(KERN_ERR, ha,
2746 "Invalid IPv6 iface number = %d\n",
2747 iface_param->iface_num);
2748 break;
2749 }
2750 break;
2751 default:
2752 ql4_printk(KERN_ERR, ha,
2753 "Invalid iface type\n");
2754 break;
2755 }
2756 } else if (iface_param->param_type == ISCSI_IFACE_PARAM) {
2757 qla4xxx_set_iscsi_param(ha, iface_param,
2758 init_fw_cb);
2759 } else {
2760 continue;
2761 }
2762 }
2763
2764 init_fw_cb->cookie = cpu_to_le32(0x11BEAD5A);
2765
2766 rval = qla4xxx_set_flash(ha, init_fw_cb_dma, FLASH_SEGMENT_IFCB,
2767 sizeof(struct addr_ctrl_blk),
2768 FLASH_OPT_RMW_COMMIT);
2769 if (rval != QLA_SUCCESS) {
2770 ql4_printk(KERN_ERR, ha, "%s: set flash mbx failed\n",
2771 __func__);
2772 rval = -EIO;
2773 goto exit_init_fw_cb;
2774 }
2775
2776 rval = qla4xxx_disable_acb(ha);
2777 if (rval != QLA_SUCCESS) {
2778 ql4_printk(KERN_ERR, ha, "%s: disable acb mbx failed\n",
2779 __func__);
2780 rval = -EIO;
2781 goto exit_init_fw_cb;
2782 }
2783
2784 wait_for_completion_timeout(&ha->disable_acb_comp,
2785 DISABLE_ACB_TOV * HZ);
2786
2787 qla4xxx_initcb_to_acb(init_fw_cb);
2788
2789 rval = qla4xxx_set_acb(ha, &mbox_cmd[0], &mbox_sts[0], init_fw_cb_dma);
2790 if (rval != QLA_SUCCESS) {
2791 ql4_printk(KERN_ERR, ha, "%s: set acb mbx failed\n",
2792 __func__);
2793 rval = -EIO;
2794 goto exit_init_fw_cb;
2795 }
2796
2797 memset(init_fw_cb, 0, sizeof(struct addr_ctrl_blk));
2798 qla4xxx_update_local_ifcb(ha, &mbox_cmd[0], &mbox_sts[0], init_fw_cb,
2799 init_fw_cb_dma);
2800
2801exit_init_fw_cb:
2802 dma_free_coherent(&ha->pdev->dev, sizeof(struct addr_ctrl_blk),
2803 init_fw_cb, init_fw_cb_dma);
2804
2805 return rval;
2806}
2807
2808static int qla4xxx_session_get_param(struct iscsi_cls_session *cls_sess,
2809 enum iscsi_param param, char *buf)
2810{
2811 struct iscsi_session *sess = cls_sess->dd_data;
2812 struct ddb_entry *ddb_entry = sess->dd_data;
2813 struct scsi_qla_host *ha = ddb_entry->ha;
2814 struct iscsi_cls_conn *cls_conn = ddb_entry->conn;
2815 struct ql4_chap_table chap_tbl;
2816 int rval, len;
2817 uint16_t idx;
2818
2819 memset(&chap_tbl, 0, sizeof(chap_tbl));
2820 switch (param) {
2821 case ISCSI_PARAM_CHAP_IN_IDX:
2822 rval = qla4xxx_get_chap_index(ha, sess->username_in,
2823 sess->password_in, BIDI_CHAP,
2824 &idx);
2825 if (rval)
2826 len = sprintf(buf, "\n");
2827 else
2828 len = sprintf(buf, "%hu\n", idx);
2829 break;
2830 case ISCSI_PARAM_CHAP_OUT_IDX:
2831 if (ddb_entry->ddb_type == FLASH_DDB) {
2832 if (ddb_entry->chap_tbl_idx != INVALID_ENTRY) {
2833 idx = ddb_entry->chap_tbl_idx;
2834 rval = QLA_SUCCESS;
2835 } else {
2836 rval = QLA_ERROR;
2837 }
2838 } else {
2839 rval = qla4xxx_get_chap_index(ha, sess->username,
2840 sess->password,
2841 LOCAL_CHAP, &idx);
2842 }
2843 if (rval)
2844 len = sprintf(buf, "\n");
2845 else
2846 len = sprintf(buf, "%hu\n", idx);
2847 break;
2848 case ISCSI_PARAM_USERNAME:
2849 case ISCSI_PARAM_PASSWORD:
2850
2851
2852
2853
2854 if (ddb_entry->ddb_type == FLASH_DDB &&
2855 ddb_entry->chap_tbl_idx != INVALID_ENTRY &&
2856 !sess->username && !sess->password) {
2857 idx = ddb_entry->chap_tbl_idx;
2858 rval = qla4xxx_get_uni_chap_at_index(ha, chap_tbl.name,
2859 chap_tbl.secret,
2860 idx);
2861 if (!rval) {
2862 iscsi_set_param(cls_conn, ISCSI_PARAM_USERNAME,
2863 (char *)chap_tbl.name,
2864 strlen((char *)chap_tbl.name));
2865 iscsi_set_param(cls_conn, ISCSI_PARAM_PASSWORD,
2866 (char *)chap_tbl.secret,
2867 chap_tbl.secret_len);
2868 }
2869 }
2870
2871 default:
2872 return iscsi_session_get_param(cls_sess, param, buf);
2873 }
2874
2875 return len;
2876}
2877
2878static int qla4xxx_conn_get_param(struct iscsi_cls_conn *cls_conn,
2879 enum iscsi_param param, char *buf)
2880{
2881 struct iscsi_conn *conn;
2882 struct qla_conn *qla_conn;
2883 struct sockaddr *dst_addr;
2884
2885 conn = cls_conn->dd_data;
2886 qla_conn = conn->dd_data;
2887 dst_addr = (struct sockaddr *)&qla_conn->qla_ep->dst_addr;
2888
2889 switch (param) {
2890 case ISCSI_PARAM_CONN_PORT:
2891 case ISCSI_PARAM_CONN_ADDRESS:
2892 return iscsi_conn_get_addr_param((struct sockaddr_storage *)
2893 dst_addr, param, buf);
2894 default:
2895 return iscsi_conn_get_param(cls_conn, param, buf);
2896 }
2897}
2898
2899int qla4xxx_get_ddb_index(struct scsi_qla_host *ha, uint16_t *ddb_index)
2900{
2901 uint32_t mbx_sts = 0;
2902 uint16_t tmp_ddb_index;
2903 int ret;
2904
2905get_ddb_index:
2906 tmp_ddb_index = find_first_zero_bit(ha->ddb_idx_map, MAX_DDB_ENTRIES);
2907
2908 if (tmp_ddb_index >= MAX_DDB_ENTRIES) {
2909 DEBUG2(ql4_printk(KERN_INFO, ha,
2910 "Free DDB index not available\n"));
2911 ret = QLA_ERROR;
2912 goto exit_get_ddb_index;
2913 }
2914
2915 if (test_and_set_bit(tmp_ddb_index, ha->ddb_idx_map))
2916 goto get_ddb_index;
2917
2918 DEBUG2(ql4_printk(KERN_INFO, ha,
2919 "Found a free DDB index at %d\n", tmp_ddb_index));
2920 ret = qla4xxx_req_ddb_entry(ha, tmp_ddb_index, &mbx_sts);
2921 if (ret == QLA_ERROR) {
2922 if (mbx_sts == MBOX_STS_COMMAND_ERROR) {
2923 ql4_printk(KERN_INFO, ha,
2924 "DDB index = %d not available trying next\n",
2925 tmp_ddb_index);
2926 goto get_ddb_index;
2927 }
2928 DEBUG2(ql4_printk(KERN_INFO, ha,
2929 "Free FW DDB not available\n"));
2930 }
2931
2932 *ddb_index = tmp_ddb_index;
2933
2934exit_get_ddb_index:
2935 return ret;
2936}
2937
2938static int qla4xxx_match_ipaddress(struct scsi_qla_host *ha,
2939 struct ddb_entry *ddb_entry,
2940 char *existing_ipaddr,
2941 char *user_ipaddr)
2942{
2943 uint8_t dst_ipaddr[IPv6_ADDR_LEN];
2944 char formatted_ipaddr[DDB_IPADDR_LEN];
2945 int status = QLA_SUCCESS, ret = 0;
2946
2947 if (ddb_entry->fw_ddb_entry.options & DDB_OPT_IPV6_DEVICE) {
2948 ret = in6_pton(user_ipaddr, strlen(user_ipaddr), dst_ipaddr,
2949 '\0', NULL);
2950 if (ret == 0) {
2951 status = QLA_ERROR;
2952 goto out_match;
2953 }
2954 ret = sprintf(formatted_ipaddr, "%pI6", dst_ipaddr);
2955 } else {
2956 ret = in4_pton(user_ipaddr, strlen(user_ipaddr), dst_ipaddr,
2957 '\0', NULL);
2958 if (ret == 0) {
2959 status = QLA_ERROR;
2960 goto out_match;
2961 }
2962 ret = sprintf(formatted_ipaddr, "%pI4", dst_ipaddr);
2963 }
2964
2965 if (strcmp(existing_ipaddr, formatted_ipaddr))
2966 status = QLA_ERROR;
2967
2968out_match:
2969 return status;
2970}
2971
2972static int qla4xxx_match_fwdb_session(struct scsi_qla_host *ha,
2973 struct iscsi_cls_conn *cls_conn)
2974{
2975 int idx = 0, max_ddbs, rval;
2976 struct iscsi_cls_session *cls_sess = iscsi_conn_to_session(cls_conn);
2977 struct iscsi_session *sess, *existing_sess;
2978 struct iscsi_conn *conn, *existing_conn;
2979 struct ddb_entry *ddb_entry;
2980
2981 sess = cls_sess->dd_data;
2982 conn = cls_conn->dd_data;
2983
2984 if (sess->targetname == NULL ||
2985 conn->persistent_address == NULL ||
2986 conn->persistent_port == 0)
2987 return QLA_ERROR;
2988
2989 max_ddbs = is_qla40XX(ha) ? MAX_DEV_DB_ENTRIES_40XX :
2990 MAX_DEV_DB_ENTRIES;
2991
2992 for (idx = 0; idx < max_ddbs; idx++) {
2993 ddb_entry = qla4xxx_lookup_ddb_by_fw_index(ha, idx);
2994 if (ddb_entry == NULL)
2995 continue;
2996
2997 if (ddb_entry->ddb_type != FLASH_DDB)
2998 continue;
2999
3000 existing_sess = ddb_entry->sess->dd_data;
3001 existing_conn = ddb_entry->conn->dd_data;
3002
3003 if (existing_sess->targetname == NULL ||
3004 existing_conn->persistent_address == NULL ||
3005 existing_conn->persistent_port == 0)
3006 continue;
3007
3008 DEBUG2(ql4_printk(KERN_INFO, ha,
3009 "IQN = %s User IQN = %s\n",
3010 existing_sess->targetname,
3011 sess->targetname));
3012
3013 DEBUG2(ql4_printk(KERN_INFO, ha,
3014 "IP = %s User IP = %s\n",
3015 existing_conn->persistent_address,
3016 conn->persistent_address));
3017
3018 DEBUG2(ql4_printk(KERN_INFO, ha,
3019 "Port = %d User Port = %d\n",
3020 existing_conn->persistent_port,
3021 conn->persistent_port));
3022
3023 if (strcmp(existing_sess->targetname, sess->targetname))
3024 continue;
3025 rval = qla4xxx_match_ipaddress(ha, ddb_entry,
3026 existing_conn->persistent_address,
3027 conn->persistent_address);
3028 if (rval == QLA_ERROR)
3029 continue;
3030 if (existing_conn->persistent_port != conn->persistent_port)
3031 continue;
3032 break;
3033 }
3034
3035 if (idx == max_ddbs)
3036 return QLA_ERROR;
3037
3038 DEBUG2(ql4_printk(KERN_INFO, ha,
3039 "Match found in fwdb sessions\n"));
3040 return QLA_SUCCESS;
3041}
3042
3043static struct iscsi_cls_session *
3044qla4xxx_session_create(struct iscsi_endpoint *ep,
3045 uint16_t cmds_max, uint16_t qdepth,
3046 uint32_t initial_cmdsn)
3047{
3048 struct iscsi_cls_session *cls_sess;
3049 struct scsi_qla_host *ha;
3050 struct qla_endpoint *qla_ep;
3051 struct ddb_entry *ddb_entry;
3052 uint16_t ddb_index;
3053 struct iscsi_session *sess;
3054 struct sockaddr *dst_addr;
3055 int ret;
3056
3057 if (!ep) {
3058 printk(KERN_ERR "qla4xxx: missing ep.\n");
3059 return NULL;
3060 }
3061
3062 qla_ep = ep->dd_data;
3063 dst_addr = (struct sockaddr *)&qla_ep->dst_addr;
3064 ha = to_qla_host(qla_ep->host);
3065 DEBUG2(ql4_printk(KERN_INFO, ha, "%s: host: %ld\n", __func__,
3066 ha->host_no));
3067
3068 ret = qla4xxx_get_ddb_index(ha, &ddb_index);
3069 if (ret == QLA_ERROR)
3070 return NULL;
3071
3072 cls_sess = iscsi_session_setup(&qla4xxx_iscsi_transport, qla_ep->host,
3073 cmds_max, sizeof(struct ddb_entry),
3074 sizeof(struct ql4_task_data),
3075 initial_cmdsn, ddb_index);
3076 if (!cls_sess)
3077 return NULL;
3078
3079 sess = cls_sess->dd_data;
3080 ddb_entry = sess->dd_data;
3081 ddb_entry->fw_ddb_index = ddb_index;
3082 ddb_entry->fw_ddb_device_state = DDB_DS_NO_CONNECTION_ACTIVE;
3083 ddb_entry->ha = ha;
3084 ddb_entry->sess = cls_sess;
3085 ddb_entry->unblock_sess = qla4xxx_unblock_ddb;
3086 ddb_entry->ddb_change = qla4xxx_ddb_change;
3087 clear_bit(DDB_CONN_CLOSE_FAILURE, &ddb_entry->flags);
3088 cls_sess->recovery_tmo = ql4xsess_recovery_tmo;
3089 ha->fw_ddb_index_map[ddb_entry->fw_ddb_index] = ddb_entry;
3090 ha->tot_ddbs++;
3091
3092 return cls_sess;
3093}
3094
3095static void qla4xxx_session_destroy(struct iscsi_cls_session *cls_sess)
3096{
3097 struct iscsi_session *sess;
3098 struct ddb_entry *ddb_entry;
3099 struct scsi_qla_host *ha;
3100 unsigned long flags, wtime;
3101 struct dev_db_entry *fw_ddb_entry = NULL;
3102 dma_addr_t fw_ddb_entry_dma;
3103 uint32_t ddb_state;
3104 int ret;
3105
3106 sess = cls_sess->dd_data;
3107 ddb_entry = sess->dd_data;
3108 ha = ddb_entry->ha;
3109 DEBUG2(ql4_printk(KERN_INFO, ha, "%s: host: %ld\n", __func__,
3110 ha->host_no));
3111
3112 fw_ddb_entry = dma_alloc_coherent(&ha->pdev->dev, sizeof(*fw_ddb_entry),
3113 &fw_ddb_entry_dma, GFP_KERNEL);
3114 if (!fw_ddb_entry) {
3115 ql4_printk(KERN_ERR, ha,
3116 "%s: Unable to allocate dma buffer\n", __func__);
3117 goto destroy_session;
3118 }
3119
3120 wtime = jiffies + (HZ * LOGOUT_TOV);
3121 do {
3122 ret = qla4xxx_get_fwddb_entry(ha, ddb_entry->fw_ddb_index,
3123 fw_ddb_entry, fw_ddb_entry_dma,
3124 NULL, NULL, &ddb_state, NULL,
3125 NULL, NULL);
3126 if (ret == QLA_ERROR)
3127 goto destroy_session;
3128
3129 if ((ddb_state == DDB_DS_NO_CONNECTION_ACTIVE) ||
3130 (ddb_state == DDB_DS_SESSION_FAILED))
3131 goto destroy_session;
3132
3133 schedule_timeout_uninterruptible(HZ);
3134 } while ((time_after(wtime, jiffies)));
3135
3136destroy_session:
3137 qla4xxx_clear_ddb_entry(ha, ddb_entry->fw_ddb_index);
3138 if (test_and_clear_bit(DDB_CONN_CLOSE_FAILURE, &ddb_entry->flags))
3139 clear_bit(ddb_entry->fw_ddb_index, ha->ddb_idx_map);
3140 spin_lock_irqsave(&ha->hardware_lock, flags);
3141 qla4xxx_free_ddb(ha, ddb_entry);
3142 spin_unlock_irqrestore(&ha->hardware_lock, flags);
3143
3144 iscsi_session_teardown(cls_sess);
3145
3146 if (fw_ddb_entry)
3147 dma_free_coherent(&ha->pdev->dev, sizeof(*fw_ddb_entry),
3148 fw_ddb_entry, fw_ddb_entry_dma);
3149}
3150
3151static struct iscsi_cls_conn *
3152qla4xxx_conn_create(struct iscsi_cls_session *cls_sess, uint32_t conn_idx)
3153{
3154 struct iscsi_cls_conn *cls_conn;
3155 struct iscsi_session *sess;
3156 struct ddb_entry *ddb_entry;
3157 struct scsi_qla_host *ha;
3158
3159 cls_conn = iscsi_conn_setup(cls_sess, sizeof(struct qla_conn),
3160 conn_idx);
3161 if (!cls_conn) {
3162 pr_info("%s: Can not create connection for conn_idx = %u\n",
3163 __func__, conn_idx);
3164 return NULL;
3165 }
3166
3167 sess = cls_sess->dd_data;
3168 ddb_entry = sess->dd_data;
3169 ddb_entry->conn = cls_conn;
3170
3171 ha = ddb_entry->ha;
3172 DEBUG2(ql4_printk(KERN_INFO, ha, "%s: conn_idx = %u\n", __func__,
3173 conn_idx));
3174 return cls_conn;
3175}
3176
3177static int qla4xxx_conn_bind(struct iscsi_cls_session *cls_session,
3178 struct iscsi_cls_conn *cls_conn,
3179 uint64_t transport_fd, int is_leading)
3180{
3181 struct iscsi_conn *conn;
3182 struct qla_conn *qla_conn;
3183 struct iscsi_endpoint *ep;
3184 struct ddb_entry *ddb_entry;
3185 struct scsi_qla_host *ha;
3186 struct iscsi_session *sess;
3187
3188 sess = cls_session->dd_data;
3189 ddb_entry = sess->dd_data;
3190 ha = ddb_entry->ha;
3191
3192 DEBUG2(ql4_printk(KERN_INFO, ha, "%s: sid = %d, cid = %d\n", __func__,
3193 cls_session->sid, cls_conn->cid));
3194
3195 if (iscsi_conn_bind(cls_session, cls_conn, is_leading))
3196 return -EINVAL;
3197 ep = iscsi_lookup_endpoint(transport_fd);
3198 conn = cls_conn->dd_data;
3199 qla_conn = conn->dd_data;
3200 qla_conn->qla_ep = ep->dd_data;
3201 return 0;
3202}
3203
3204static int qla4xxx_conn_start(struct iscsi_cls_conn *cls_conn)
3205{
3206 struct iscsi_cls_session *cls_sess = iscsi_conn_to_session(cls_conn);
3207 struct iscsi_session *sess;
3208 struct ddb_entry *ddb_entry;
3209 struct scsi_qla_host *ha;
3210 struct dev_db_entry *fw_ddb_entry = NULL;
3211 dma_addr_t fw_ddb_entry_dma;
3212 uint32_t mbx_sts = 0;
3213 int ret = 0;
3214 int status = QLA_SUCCESS;
3215
3216 sess = cls_sess->dd_data;
3217 ddb_entry = sess->dd_data;
3218 ha = ddb_entry->ha;
3219 DEBUG2(ql4_printk(KERN_INFO, ha, "%s: sid = %d, cid = %d\n", __func__,
3220 cls_sess->sid, cls_conn->cid));
3221
3222
3223
3224
3225
3226 ret = qla4xxx_match_fwdb_session(ha, cls_conn);
3227 if (ret == QLA_SUCCESS) {
3228 ql4_printk(KERN_INFO, ha,
3229 "Session already exist in FW.\n");
3230 ret = -EEXIST;
3231 goto exit_conn_start;
3232 }
3233
3234 fw_ddb_entry = dma_alloc_coherent(&ha->pdev->dev, sizeof(*fw_ddb_entry),
3235 &fw_ddb_entry_dma, GFP_KERNEL);
3236 if (!fw_ddb_entry) {
3237 ql4_printk(KERN_ERR, ha,
3238 "%s: Unable to allocate dma buffer\n", __func__);
3239 ret = -ENOMEM;
3240 goto exit_conn_start;
3241 }
3242
3243 ret = qla4xxx_set_param_ddbentry(ha, ddb_entry, cls_conn, &mbx_sts);
3244 if (ret) {
3245
3246
3247
3248
3249
3250 if (mbx_sts)
3251 if (ddb_entry->fw_ddb_device_state ==
3252 DDB_DS_SESSION_ACTIVE) {
3253 ddb_entry->unblock_sess(ddb_entry->sess);
3254 goto exit_set_param;
3255 }
3256
3257 ql4_printk(KERN_ERR, ha, "%s: Failed set param for index[%d]\n",
3258 __func__, ddb_entry->fw_ddb_index);
3259 goto exit_conn_start;
3260 }
3261
3262 status = qla4xxx_conn_open(ha, ddb_entry->fw_ddb_index);
3263 if (status == QLA_ERROR) {
3264 ql4_printk(KERN_ERR, ha, "%s: Login failed: %s\n", __func__,
3265 sess->targetname);
3266 ret = -EINVAL;
3267 goto exit_conn_start;
3268 }
3269
3270 if (ddb_entry->fw_ddb_device_state == DDB_DS_NO_CONNECTION_ACTIVE)
3271 ddb_entry->fw_ddb_device_state = DDB_DS_LOGIN_IN_PROCESS;
3272
3273 DEBUG2(printk(KERN_INFO "%s: DDB state [%d]\n", __func__,
3274 ddb_entry->fw_ddb_device_state));
3275
3276exit_set_param:
3277 ret = 0;
3278
3279exit_conn_start:
3280 if (fw_ddb_entry)
3281 dma_free_coherent(&ha->pdev->dev, sizeof(*fw_ddb_entry),
3282 fw_ddb_entry, fw_ddb_entry_dma);
3283 return ret;
3284}
3285
3286static void qla4xxx_conn_destroy(struct iscsi_cls_conn *cls_conn)
3287{
3288 struct iscsi_cls_session *cls_sess = iscsi_conn_to_session(cls_conn);
3289 struct iscsi_session *sess;
3290 struct scsi_qla_host *ha;
3291 struct ddb_entry *ddb_entry;
3292 int options;
3293
3294 sess = cls_sess->dd_data;
3295 ddb_entry = sess->dd_data;
3296 ha = ddb_entry->ha;
3297 DEBUG2(ql4_printk(KERN_INFO, ha, "%s: cid = %d\n", __func__,
3298 cls_conn->cid));
3299
3300 options = LOGOUT_OPTION_CLOSE_SESSION;
3301 if (qla4xxx_session_logout_ddb(ha, ddb_entry, options) == QLA_ERROR)
3302 ql4_printk(KERN_ERR, ha, "%s: Logout failed\n", __func__);
3303}
3304
3305static void qla4xxx_task_work(struct work_struct *wdata)
3306{
3307 struct ql4_task_data *task_data;
3308 struct scsi_qla_host *ha;
3309 struct passthru_status *sts;
3310 struct iscsi_task *task;
3311 struct iscsi_hdr *hdr;
3312 uint8_t *data;
3313 uint32_t data_len;
3314 struct iscsi_conn *conn;
3315 int hdr_len;
3316 itt_t itt;
3317
3318 task_data = container_of(wdata, struct ql4_task_data, task_work);
3319 ha = task_data->ha;
3320 task = task_data->task;
3321 sts = &task_data->sts;
3322 hdr_len = sizeof(struct iscsi_hdr);
3323
3324 DEBUG3(printk(KERN_INFO "Status returned\n"));
3325 DEBUG3(qla4xxx_dump_buffer(sts, 64));
3326 DEBUG3(printk(KERN_INFO "Response buffer"));
3327 DEBUG3(qla4xxx_dump_buffer(task_data->resp_buffer, 64));
3328
3329 conn = task->conn;
3330
3331 switch (sts->completionStatus) {
3332 case PASSTHRU_STATUS_COMPLETE:
3333 hdr = (struct iscsi_hdr *)task_data->resp_buffer;
3334
3335 itt = sts->handle;
3336 hdr->itt = itt;
3337 data = task_data->resp_buffer + hdr_len;
3338 data_len = task_data->resp_len - hdr_len;
3339 iscsi_complete_pdu(conn, hdr, data, data_len);
3340 break;
3341 default:
3342 ql4_printk(KERN_ERR, ha, "Passthru failed status = 0x%x\n",
3343 sts->completionStatus);
3344 break;
3345 }
3346 return;
3347}
3348
3349static int qla4xxx_alloc_pdu(struct iscsi_task *task, uint8_t opcode)
3350{
3351 struct ql4_task_data *task_data;
3352 struct iscsi_session *sess;
3353 struct ddb_entry *ddb_entry;
3354 struct scsi_qla_host *ha;
3355 int hdr_len;
3356
3357 sess = task->conn->session;
3358 ddb_entry = sess->dd_data;
3359 ha = ddb_entry->ha;
3360 task_data = task->dd_data;
3361 memset(task_data, 0, sizeof(struct ql4_task_data));
3362
3363 if (task->sc) {
3364 ql4_printk(KERN_INFO, ha,
3365 "%s: SCSI Commands not implemented\n", __func__);
3366 return -EINVAL;
3367 }
3368
3369 hdr_len = sizeof(struct iscsi_hdr);
3370 task_data->ha = ha;
3371 task_data->task = task;
3372
3373 if (task->data_count) {
3374 task_data->data_dma = dma_map_single(&ha->pdev->dev, task->data,
3375 task->data_count,
3376 PCI_DMA_TODEVICE);
3377 }
3378
3379 DEBUG2(ql4_printk(KERN_INFO, ha, "%s: MaxRecvLen %u, iscsi hrd %d\n",
3380 __func__, task->conn->max_recv_dlength, hdr_len));
3381
3382 task_data->resp_len = task->conn->max_recv_dlength + hdr_len;
3383 task_data->resp_buffer = dma_alloc_coherent(&ha->pdev->dev,
3384 task_data->resp_len,
3385 &task_data->resp_dma,
3386 GFP_ATOMIC);
3387 if (!task_data->resp_buffer)
3388 goto exit_alloc_pdu;
3389
3390 task_data->req_len = task->data_count + hdr_len;
3391 task_data->req_buffer = dma_alloc_coherent(&ha->pdev->dev,
3392 task_data->req_len,
3393 &task_data->req_dma,
3394 GFP_ATOMIC);
3395 if (!task_data->req_buffer)
3396 goto exit_alloc_pdu;
3397
3398 task->hdr = task_data->req_buffer;
3399
3400 INIT_WORK(&task_data->task_work, qla4xxx_task_work);
3401
3402 return 0;
3403
3404exit_alloc_pdu:
3405 if (task_data->resp_buffer)
3406 dma_free_coherent(&ha->pdev->dev, task_data->resp_len,
3407 task_data->resp_buffer, task_data->resp_dma);
3408
3409 if (task_data->req_buffer)
3410 dma_free_coherent(&ha->pdev->dev, task_data->req_len,
3411 task_data->req_buffer, task_data->req_dma);
3412 return -ENOMEM;
3413}
3414
3415static void qla4xxx_task_cleanup(struct iscsi_task *task)
3416{
3417 struct ql4_task_data *task_data;
3418 struct iscsi_session *sess;
3419 struct ddb_entry *ddb_entry;
3420 struct scsi_qla_host *ha;
3421 int hdr_len;
3422
3423 hdr_len = sizeof(struct iscsi_hdr);
3424 sess = task->conn->session;
3425 ddb_entry = sess->dd_data;
3426 ha = ddb_entry->ha;
3427 task_data = task->dd_data;
3428
3429 if (task->data_count) {
3430 dma_unmap_single(&ha->pdev->dev, task_data->data_dma,
3431 task->data_count, PCI_DMA_TODEVICE);
3432 }
3433
3434 DEBUG2(ql4_printk(KERN_INFO, ha, "%s: MaxRecvLen %u, iscsi hrd %d\n",
3435 __func__, task->conn->max_recv_dlength, hdr_len));
3436
3437 dma_free_coherent(&ha->pdev->dev, task_data->resp_len,
3438 task_data->resp_buffer, task_data->resp_dma);
3439 dma_free_coherent(&ha->pdev->dev, task_data->req_len,
3440 task_data->req_buffer, task_data->req_dma);
3441 return;
3442}
3443
3444static int qla4xxx_task_xmit(struct iscsi_task *task)
3445{
3446 struct scsi_cmnd *sc = task->sc;
3447 struct iscsi_session *sess = task->conn->session;
3448 struct ddb_entry *ddb_entry = sess->dd_data;
3449 struct scsi_qla_host *ha = ddb_entry->ha;
3450
3451 if (!sc)
3452 return qla4xxx_send_passthru0(task);
3453
3454 ql4_printk(KERN_INFO, ha, "%s: scsi cmd xmit not implemented\n",
3455 __func__);
3456 return -ENOSYS;
3457}
3458
3459static int qla4xxx_copy_from_fwddb_param(struct iscsi_bus_flash_session *sess,
3460 struct iscsi_bus_flash_conn *conn,
3461 struct dev_db_entry *fw_ddb_entry)
3462{
3463 unsigned long options = 0;
3464 int rc = 0;
3465
3466 options = le16_to_cpu(fw_ddb_entry->options);
3467 conn->is_fw_assigned_ipv6 = test_bit(OPT_IS_FW_ASSIGNED_IPV6, &options);
3468 if (test_bit(OPT_IPV6_DEVICE, &options)) {
3469 rc = iscsi_switch_str_param(&sess->portal_type,
3470 PORTAL_TYPE_IPV6);
3471 if (rc)
3472 goto exit_copy;
3473 } else {
3474 rc = iscsi_switch_str_param(&sess->portal_type,
3475 PORTAL_TYPE_IPV4);
3476 if (rc)
3477 goto exit_copy;
3478 }
3479
3480 sess->auto_snd_tgt_disable = test_bit(OPT_AUTO_SENDTGTS_DISABLE,
3481 &options);
3482 sess->discovery_sess = test_bit(OPT_DISC_SESSION, &options);
3483 sess->entry_state = test_bit(OPT_ENTRY_STATE, &options);
3484
3485 options = le16_to_cpu(fw_ddb_entry->iscsi_options);
3486 conn->hdrdgst_en = test_bit(ISCSIOPT_HEADER_DIGEST_EN, &options);
3487 conn->datadgst_en = test_bit(ISCSIOPT_DATA_DIGEST_EN, &options);
3488 sess->imm_data_en = test_bit(ISCSIOPT_IMMEDIATE_DATA_EN, &options);
3489 sess->initial_r2t_en = test_bit(ISCSIOPT_INITIAL_R2T_EN, &options);
3490 sess->dataseq_inorder_en = test_bit(ISCSIOPT_DATA_SEQ_IN_ORDER,
3491 &options);
3492 sess->pdu_inorder_en = test_bit(ISCSIOPT_DATA_PDU_IN_ORDER, &options);
3493 sess->chap_auth_en = test_bit(ISCSIOPT_CHAP_AUTH_EN, &options);
3494 conn->snack_req_en = test_bit(ISCSIOPT_SNACK_REQ_EN, &options);
3495 sess->discovery_logout_en = test_bit(ISCSIOPT_DISCOVERY_LOGOUT_EN,
3496 &options);
3497 sess->bidi_chap_en = test_bit(ISCSIOPT_BIDI_CHAP_EN, &options);
3498 sess->discovery_auth_optional =
3499 test_bit(ISCSIOPT_DISCOVERY_AUTH_OPTIONAL, &options);
3500 if (test_bit(ISCSIOPT_ERL1, &options))
3501 sess->erl |= BIT_1;
3502 if (test_bit(ISCSIOPT_ERL0, &options))
3503 sess->erl |= BIT_0;
3504
3505 options = le16_to_cpu(fw_ddb_entry->tcp_options);
3506 conn->tcp_timestamp_stat = test_bit(TCPOPT_TIMESTAMP_STAT, &options);
3507 conn->tcp_nagle_disable = test_bit(TCPOPT_NAGLE_DISABLE, &options);
3508 conn->tcp_wsf_disable = test_bit(TCPOPT_WSF_DISABLE, &options);
3509 if (test_bit(TCPOPT_TIMER_SCALE3, &options))
3510 conn->tcp_timer_scale |= BIT_3;
3511 if (test_bit(TCPOPT_TIMER_SCALE2, &options))
3512 conn->tcp_timer_scale |= BIT_2;
3513 if (test_bit(TCPOPT_TIMER_SCALE1, &options))
3514 conn->tcp_timer_scale |= BIT_1;
3515
3516 conn->tcp_timer_scale >>= 1;
3517 conn->tcp_timestamp_en = test_bit(TCPOPT_TIMESTAMP_EN, &options);
3518
3519 options = le16_to_cpu(fw_ddb_entry->ip_options);
3520 conn->fragment_disable = test_bit(IPOPT_FRAGMENT_DISABLE, &options);
3521
3522 conn->max_recv_dlength = BYTE_UNITS *
3523 le16_to_cpu(fw_ddb_entry->iscsi_max_rcv_data_seg_len);
3524 conn->max_xmit_dlength = BYTE_UNITS *
3525 le16_to_cpu(fw_ddb_entry->iscsi_max_snd_data_seg_len);
3526 sess->first_burst = BYTE_UNITS *
3527 le16_to_cpu(fw_ddb_entry->iscsi_first_burst_len);
3528 sess->max_burst = BYTE_UNITS *
3529 le16_to_cpu(fw_ddb_entry->iscsi_max_burst_len);
3530 sess->max_r2t = le16_to_cpu(fw_ddb_entry->iscsi_max_outsnd_r2t);
3531 sess->time2wait = le16_to_cpu(fw_ddb_entry->iscsi_def_time2wait);
3532 sess->time2retain = le16_to_cpu(fw_ddb_entry->iscsi_def_time2retain);
3533 sess->tpgt = le32_to_cpu(fw_ddb_entry->tgt_portal_grp);
3534 conn->max_segment_size = le16_to_cpu(fw_ddb_entry->mss);
3535 conn->tcp_xmit_wsf = fw_ddb_entry->tcp_xmt_wsf;
3536 conn->tcp_recv_wsf = fw_ddb_entry->tcp_rcv_wsf;
3537 conn->ipv6_flow_label = le16_to_cpu(fw_ddb_entry->ipv6_flow_lbl);
3538 conn->keepalive_timeout = le16_to_cpu(fw_ddb_entry->ka_timeout);
3539 conn->local_port = le16_to_cpu(fw_ddb_entry->lcl_port);
3540 conn->statsn = le32_to_cpu(fw_ddb_entry->stat_sn);
3541 conn->exp_statsn = le32_to_cpu(fw_ddb_entry->exp_stat_sn);
3542 sess->discovery_parent_idx = le16_to_cpu(fw_ddb_entry->ddb_link);
3543 sess->discovery_parent_type = le16_to_cpu(fw_ddb_entry->ddb_link);
3544 sess->chap_out_idx = le16_to_cpu(fw_ddb_entry->chap_tbl_idx);
3545 sess->tsid = le16_to_cpu(fw_ddb_entry->tsid);
3546
3547 sess->default_taskmgmt_timeout =
3548 le16_to_cpu(fw_ddb_entry->def_timeout);
3549 conn->port = le16_to_cpu(fw_ddb_entry->port);
3550
3551 options = le16_to_cpu(fw_ddb_entry->options);
3552 conn->ipaddress = kzalloc(IPv6_ADDR_LEN, GFP_KERNEL);
3553 if (!conn->ipaddress) {
3554 rc = -ENOMEM;
3555 goto exit_copy;
3556 }
3557
3558 conn->redirect_ipaddr = kzalloc(IPv6_ADDR_LEN, GFP_KERNEL);
3559 if (!conn->redirect_ipaddr) {
3560 rc = -ENOMEM;
3561 goto exit_copy;
3562 }
3563
3564 memcpy(conn->ipaddress, fw_ddb_entry->ip_addr, IPv6_ADDR_LEN);
3565 memcpy(conn->redirect_ipaddr, fw_ddb_entry->tgt_addr, IPv6_ADDR_LEN);
3566
3567 if (test_bit(OPT_IPV6_DEVICE, &options)) {
3568 conn->ipv6_traffic_class = fw_ddb_entry->ipv4_tos;
3569
3570 conn->link_local_ipv6_addr = kmemdup(
3571 fw_ddb_entry->link_local_ipv6_addr,
3572 IPv6_ADDR_LEN, GFP_KERNEL);
3573 if (!conn->link_local_ipv6_addr) {
3574 rc = -ENOMEM;
3575 goto exit_copy;
3576 }
3577 } else {
3578 conn->ipv4_tos = fw_ddb_entry->ipv4_tos;
3579 }
3580
3581 if (fw_ddb_entry->iscsi_name[0]) {
3582 rc = iscsi_switch_str_param(&sess->targetname,
3583 (char *)fw_ddb_entry->iscsi_name);
3584 if (rc)
3585 goto exit_copy;
3586 }
3587
3588 if (fw_ddb_entry->iscsi_alias[0]) {
3589 rc = iscsi_switch_str_param(&sess->targetalias,
3590 (char *)fw_ddb_entry->iscsi_alias);
3591 if (rc)
3592 goto exit_copy;
3593 }
3594
3595 COPY_ISID(sess->isid, fw_ddb_entry->isid);
3596
3597exit_copy:
3598 return rc;
3599}
3600
3601static int qla4xxx_copy_to_fwddb_param(struct iscsi_bus_flash_session *sess,
3602 struct iscsi_bus_flash_conn *conn,
3603 struct dev_db_entry *fw_ddb_entry)
3604{
3605 uint16_t options;
3606 int rc = 0;
3607
3608 options = le16_to_cpu(fw_ddb_entry->options);
3609 SET_BITVAL(conn->is_fw_assigned_ipv6, options, BIT_11);
3610 if (!strncmp(sess->portal_type, PORTAL_TYPE_IPV6, 4))
3611 options |= BIT_8;
3612 else
3613 options &= ~BIT_8;
3614
3615 SET_BITVAL(sess->auto_snd_tgt_disable, options, BIT_6);
3616 SET_BITVAL(sess->discovery_sess, options, BIT_4);
3617 SET_BITVAL(sess->entry_state, options, BIT_3);
3618 fw_ddb_entry->options = cpu_to_le16(options);
3619
3620 options = le16_to_cpu(fw_ddb_entry->iscsi_options);
3621 SET_BITVAL(conn->hdrdgst_en, options, BIT_13);
3622 SET_BITVAL(conn->datadgst_en, options, BIT_12);
3623 SET_BITVAL(sess->imm_data_en, options, BIT_11);
3624 SET_BITVAL(sess->initial_r2t_en, options, BIT_10);
3625 SET_BITVAL(sess->dataseq_inorder_en, options, BIT_9);
3626 SET_BITVAL(sess->pdu_inorder_en, options, BIT_8);
3627 SET_BITVAL(sess->chap_auth_en, options, BIT_7);
3628 SET_BITVAL(conn->snack_req_en, options, BIT_6);
3629 SET_BITVAL(sess->discovery_logout_en, options, BIT_5);
3630 SET_BITVAL(sess->bidi_chap_en, options, BIT_4);
3631 SET_BITVAL(sess->discovery_auth_optional, options, BIT_3);
3632 SET_BITVAL(sess->erl & BIT_1, options, BIT_1);
3633 SET_BITVAL(sess->erl & BIT_0, options, BIT_0);
3634 fw_ddb_entry->iscsi_options = cpu_to_le16(options);
3635
3636 options = le16_to_cpu(fw_ddb_entry->tcp_options);
3637 SET_BITVAL(conn->tcp_timestamp_stat, options, BIT_6);
3638 SET_BITVAL(conn->tcp_nagle_disable, options, BIT_5);
3639 SET_BITVAL(conn->tcp_wsf_disable, options, BIT_4);
3640 SET_BITVAL(conn->tcp_timer_scale & BIT_2, options, BIT_3);
3641 SET_BITVAL(conn->tcp_timer_scale & BIT_1, options, BIT_2);
3642 SET_BITVAL(conn->tcp_timer_scale & BIT_0, options, BIT_1);
3643 SET_BITVAL(conn->tcp_timestamp_en, options, BIT_0);
3644 fw_ddb_entry->tcp_options = cpu_to_le16(options);
3645
3646 options = le16_to_cpu(fw_ddb_entry->ip_options);
3647 SET_BITVAL(conn->fragment_disable, options, BIT_4);
3648 fw_ddb_entry->ip_options = cpu_to_le16(options);
3649
3650 fw_ddb_entry->iscsi_max_outsnd_r2t = cpu_to_le16(sess->max_r2t);
3651 fw_ddb_entry->iscsi_max_rcv_data_seg_len =
3652 cpu_to_le16(conn->max_recv_dlength / BYTE_UNITS);
3653 fw_ddb_entry->iscsi_max_snd_data_seg_len =
3654 cpu_to_le16(conn->max_xmit_dlength / BYTE_UNITS);
3655 fw_ddb_entry->iscsi_first_burst_len =
3656 cpu_to_le16(sess->first_burst / BYTE_UNITS);
3657 fw_ddb_entry->iscsi_max_burst_len = cpu_to_le16(sess->max_burst /
3658 BYTE_UNITS);
3659 fw_ddb_entry->iscsi_def_time2wait = cpu_to_le16(sess->time2wait);
3660 fw_ddb_entry->iscsi_def_time2retain = cpu_to_le16(sess->time2retain);
3661 fw_ddb_entry->tgt_portal_grp = cpu_to_le16(sess->tpgt);
3662 fw_ddb_entry->mss = cpu_to_le16(conn->max_segment_size);
3663 fw_ddb_entry->tcp_xmt_wsf = (uint8_t) cpu_to_le32(conn->tcp_xmit_wsf);
3664 fw_ddb_entry->tcp_rcv_wsf = (uint8_t) cpu_to_le32(conn->tcp_recv_wsf);
3665 fw_ddb_entry->ipv6_flow_lbl = cpu_to_le16(conn->ipv6_flow_label);
3666 fw_ddb_entry->ka_timeout = cpu_to_le16(conn->keepalive_timeout);
3667 fw_ddb_entry->lcl_port = cpu_to_le16(conn->local_port);
3668 fw_ddb_entry->stat_sn = cpu_to_le32(conn->statsn);
3669 fw_ddb_entry->exp_stat_sn = cpu_to_le32(conn->exp_statsn);
3670 fw_ddb_entry->ddb_link = cpu_to_le16(sess->discovery_parent_idx);
3671 fw_ddb_entry->chap_tbl_idx = cpu_to_le16(sess->chap_out_idx);
3672 fw_ddb_entry->tsid = cpu_to_le16(sess->tsid);
3673 fw_ddb_entry->port = cpu_to_le16(conn->port);
3674 fw_ddb_entry->def_timeout =
3675 cpu_to_le16(sess->default_taskmgmt_timeout);
3676
3677 if (!strncmp(sess->portal_type, PORTAL_TYPE_IPV6, 4))
3678 fw_ddb_entry->ipv4_tos = conn->ipv6_traffic_class;
3679 else
3680 fw_ddb_entry->ipv4_tos = conn->ipv4_tos;
3681
3682 if (conn->ipaddress)
3683 memcpy(fw_ddb_entry->ip_addr, conn->ipaddress,
3684 sizeof(fw_ddb_entry->ip_addr));
3685
3686 if (conn->redirect_ipaddr)
3687 memcpy(fw_ddb_entry->tgt_addr, conn->redirect_ipaddr,
3688 sizeof(fw_ddb_entry->tgt_addr));
3689
3690 if (conn->link_local_ipv6_addr)
3691 memcpy(fw_ddb_entry->link_local_ipv6_addr,
3692 conn->link_local_ipv6_addr,
3693 sizeof(fw_ddb_entry->link_local_ipv6_addr));
3694
3695 if (sess->targetname)
3696 memcpy(fw_ddb_entry->iscsi_name, sess->targetname,
3697 sizeof(fw_ddb_entry->iscsi_name));
3698
3699 if (sess->targetalias)
3700 memcpy(fw_ddb_entry->iscsi_alias, sess->targetalias,
3701 sizeof(fw_ddb_entry->iscsi_alias));
3702
3703 COPY_ISID(fw_ddb_entry->isid, sess->isid);
3704
3705 return rc;
3706}
3707
3708static void qla4xxx_copy_to_sess_conn_params(struct iscsi_conn *conn,
3709 struct iscsi_session *sess,
3710 struct dev_db_entry *fw_ddb_entry)
3711{
3712 unsigned long options = 0;
3713 uint16_t ddb_link;
3714 uint16_t disc_parent;
3715 char ip_addr[DDB_IPADDR_LEN];
3716
3717 options = le16_to_cpu(fw_ddb_entry->options);
3718 conn->is_fw_assigned_ipv6 = test_bit(OPT_IS_FW_ASSIGNED_IPV6, &options);
3719 sess->auto_snd_tgt_disable = test_bit(OPT_AUTO_SENDTGTS_DISABLE,
3720 &options);
3721 sess->discovery_sess = test_bit(OPT_DISC_SESSION, &options);
3722
3723 options = le16_to_cpu(fw_ddb_entry->iscsi_options);
3724 conn->hdrdgst_en = test_bit(ISCSIOPT_HEADER_DIGEST_EN, &options);
3725 conn->datadgst_en = test_bit(ISCSIOPT_DATA_DIGEST_EN, &options);
3726 sess->imm_data_en = test_bit(ISCSIOPT_IMMEDIATE_DATA_EN, &options);
3727 sess->initial_r2t_en = test_bit(ISCSIOPT_INITIAL_R2T_EN, &options);
3728 sess->dataseq_inorder_en = test_bit(ISCSIOPT_DATA_SEQ_IN_ORDER,
3729 &options);
3730 sess->pdu_inorder_en = test_bit(ISCSIOPT_DATA_PDU_IN_ORDER, &options);
3731 sess->chap_auth_en = test_bit(ISCSIOPT_CHAP_AUTH_EN, &options);
3732 sess->discovery_logout_en = test_bit(ISCSIOPT_DISCOVERY_LOGOUT_EN,
3733 &options);
3734 sess->bidi_chap_en = test_bit(ISCSIOPT_BIDI_CHAP_EN, &options);
3735 sess->discovery_auth_optional =
3736 test_bit(ISCSIOPT_DISCOVERY_AUTH_OPTIONAL, &options);
3737 if (test_bit(ISCSIOPT_ERL1, &options))
3738 sess->erl |= BIT_1;
3739 if (test_bit(ISCSIOPT_ERL0, &options))
3740 sess->erl |= BIT_0;
3741
3742 options = le16_to_cpu(fw_ddb_entry->tcp_options);
3743 conn->tcp_timestamp_stat = test_bit(TCPOPT_TIMESTAMP_STAT, &options);
3744 conn->tcp_nagle_disable = test_bit(TCPOPT_NAGLE_DISABLE, &options);
3745 conn->tcp_wsf_disable = test_bit(TCPOPT_WSF_DISABLE, &options);
3746 if (test_bit(TCPOPT_TIMER_SCALE3, &options))
3747 conn->tcp_timer_scale |= BIT_3;
3748 if (test_bit(TCPOPT_TIMER_SCALE2, &options))
3749 conn->tcp_timer_scale |= BIT_2;
3750 if (test_bit(TCPOPT_TIMER_SCALE1, &options))
3751 conn->tcp_timer_scale |= BIT_1;
3752
3753 conn->tcp_timer_scale >>= 1;
3754 conn->tcp_timestamp_en = test_bit(TCPOPT_TIMESTAMP_EN, &options);
3755
3756 options = le16_to_cpu(fw_ddb_entry->ip_options);
3757 conn->fragment_disable = test_bit(IPOPT_FRAGMENT_DISABLE, &options);
3758
3759 conn->max_recv_dlength = BYTE_UNITS *
3760 le16_to_cpu(fw_ddb_entry->iscsi_max_rcv_data_seg_len);
3761 conn->max_xmit_dlength = BYTE_UNITS *
3762 le16_to_cpu(fw_ddb_entry->iscsi_max_snd_data_seg_len);
3763 sess->max_r2t = le16_to_cpu(fw_ddb_entry->iscsi_max_outsnd_r2t);
3764 sess->first_burst = BYTE_UNITS *
3765 le16_to_cpu(fw_ddb_entry->iscsi_first_burst_len);
3766 sess->max_burst = BYTE_UNITS *
3767 le16_to_cpu(fw_ddb_entry->iscsi_max_burst_len);
3768 sess->time2wait = le16_to_cpu(fw_ddb_entry->iscsi_def_time2wait);
3769 sess->time2retain = le16_to_cpu(fw_ddb_entry->iscsi_def_time2retain);
3770 sess->tpgt = le32_to_cpu(fw_ddb_entry->tgt_portal_grp);
3771 conn->max_segment_size = le16_to_cpu(fw_ddb_entry->mss);
3772 conn->tcp_xmit_wsf = fw_ddb_entry->tcp_xmt_wsf;
3773 conn->tcp_recv_wsf = fw_ddb_entry->tcp_rcv_wsf;
3774 conn->ipv4_tos = fw_ddb_entry->ipv4_tos;
3775 conn->keepalive_tmo = le16_to_cpu(fw_ddb_entry->ka_timeout);
3776 conn->local_port = le16_to_cpu(fw_ddb_entry->lcl_port);
3777 conn->statsn = le32_to_cpu(fw_ddb_entry->stat_sn);
3778 conn->exp_statsn = le32_to_cpu(fw_ddb_entry->exp_stat_sn);
3779 sess->tsid = le16_to_cpu(fw_ddb_entry->tsid);
3780 COPY_ISID(sess->isid, fw_ddb_entry->isid);
3781
3782 ddb_link = le16_to_cpu(fw_ddb_entry->ddb_link);
3783 if (ddb_link == DDB_ISNS)
3784 disc_parent = ISCSI_DISC_PARENT_ISNS;
3785 else if (ddb_link == DDB_NO_LINK)
3786 disc_parent = ISCSI_DISC_PARENT_UNKNOWN;
3787 else if (ddb_link < MAX_DDB_ENTRIES)
3788 disc_parent = ISCSI_DISC_PARENT_SENDTGT;
3789 else
3790 disc_parent = ISCSI_DISC_PARENT_UNKNOWN;
3791
3792 iscsi_set_param(conn->cls_conn, ISCSI_PARAM_DISCOVERY_PARENT_TYPE,
3793 iscsi_get_discovery_parent_name(disc_parent), 0);
3794
3795 iscsi_set_param(conn->cls_conn, ISCSI_PARAM_TARGET_ALIAS,
3796 (char *)fw_ddb_entry->iscsi_alias, 0);
3797
3798 options = le16_to_cpu(fw_ddb_entry->options);
3799 if (options & DDB_OPT_IPV6_DEVICE) {
3800 memset(ip_addr, 0, sizeof(ip_addr));
3801 sprintf(ip_addr, "%pI6", fw_ddb_entry->link_local_ipv6_addr);
3802 iscsi_set_param(conn->cls_conn, ISCSI_PARAM_LOCAL_IPADDR,
3803 (char *)ip_addr, 0);
3804 }
3805}
3806
3807static void qla4xxx_copy_fwddb_param(struct scsi_qla_host *ha,
3808 struct dev_db_entry *fw_ddb_entry,
3809 struct iscsi_cls_session *cls_sess,
3810 struct iscsi_cls_conn *cls_conn)
3811{
3812 int buflen = 0;
3813 struct iscsi_session *sess;
3814 struct ddb_entry *ddb_entry;
3815 struct ql4_chap_table chap_tbl;
3816 struct iscsi_conn *conn;
3817 char ip_addr[DDB_IPADDR_LEN];
3818 uint16_t options = 0;
3819
3820 sess = cls_sess->dd_data;
3821 ddb_entry = sess->dd_data;
3822 conn = cls_conn->dd_data;
3823 memset(&chap_tbl, 0, sizeof(chap_tbl));
3824
3825 ddb_entry->chap_tbl_idx = le16_to_cpu(fw_ddb_entry->chap_tbl_idx);
3826
3827 qla4xxx_copy_to_sess_conn_params(conn, sess, fw_ddb_entry);
3828
3829 sess->def_taskmgmt_tmo = le16_to_cpu(fw_ddb_entry->def_timeout);
3830 conn->persistent_port = le16_to_cpu(fw_ddb_entry->port);
3831
3832 memset(ip_addr, 0, sizeof(ip_addr));
3833 options = le16_to_cpu(fw_ddb_entry->options);
3834 if (options & DDB_OPT_IPV6_DEVICE) {
3835 iscsi_set_param(cls_conn, ISCSI_PARAM_PORTAL_TYPE, "ipv6", 4);
3836
3837 memset(ip_addr, 0, sizeof(ip_addr));
3838 sprintf(ip_addr, "%pI6", fw_ddb_entry->ip_addr);
3839 } else {
3840 iscsi_set_param(cls_conn, ISCSI_PARAM_PORTAL_TYPE, "ipv4", 4);
3841 sprintf(ip_addr, "%pI4", fw_ddb_entry->ip_addr);
3842 }
3843
3844 iscsi_set_param(cls_conn, ISCSI_PARAM_PERSISTENT_ADDRESS,
3845 (char *)ip_addr, buflen);
3846 iscsi_set_param(cls_conn, ISCSI_PARAM_TARGET_NAME,
3847 (char *)fw_ddb_entry->iscsi_name, buflen);
3848 iscsi_set_param(cls_conn, ISCSI_PARAM_INITIATOR_NAME,
3849 (char *)ha->name_string, buflen);
3850
3851 if (ddb_entry->chap_tbl_idx != INVALID_ENTRY) {
3852 if (!qla4xxx_get_uni_chap_at_index(ha, chap_tbl.name,
3853 chap_tbl.secret,
3854 ddb_entry->chap_tbl_idx)) {
3855 iscsi_set_param(cls_conn, ISCSI_PARAM_USERNAME,
3856 (char *)chap_tbl.name,
3857 strlen((char *)chap_tbl.name));
3858 iscsi_set_param(cls_conn, ISCSI_PARAM_PASSWORD,
3859 (char *)chap_tbl.secret,
3860 chap_tbl.secret_len);
3861 }
3862 }
3863}
3864
3865void qla4xxx_update_session_conn_fwddb_param(struct scsi_qla_host *ha,
3866 struct ddb_entry *ddb_entry)
3867{
3868 struct iscsi_cls_session *cls_sess;
3869 struct iscsi_cls_conn *cls_conn;
3870 uint32_t ddb_state;
3871 dma_addr_t fw_ddb_entry_dma;
3872 struct dev_db_entry *fw_ddb_entry;
3873
3874 fw_ddb_entry = dma_alloc_coherent(&ha->pdev->dev, sizeof(*fw_ddb_entry),
3875 &fw_ddb_entry_dma, GFP_KERNEL);
3876 if (!fw_ddb_entry) {
3877 ql4_printk(KERN_ERR, ha,
3878 "%s: Unable to allocate dma buffer\n", __func__);
3879 goto exit_session_conn_fwddb_param;
3880 }
3881
3882 if (qla4xxx_get_fwddb_entry(ha, ddb_entry->fw_ddb_index, fw_ddb_entry,
3883 fw_ddb_entry_dma, NULL, NULL, &ddb_state,
3884 NULL, NULL, NULL) == QLA_ERROR) {
3885 DEBUG2(ql4_printk(KERN_ERR, ha, "scsi%ld: %s: failed "
3886 "get_ddb_entry for fw_ddb_index %d\n",
3887 ha->host_no, __func__,
3888 ddb_entry->fw_ddb_index));
3889 goto exit_session_conn_fwddb_param;
3890 }
3891
3892 cls_sess = ddb_entry->sess;
3893
3894 cls_conn = ddb_entry->conn;
3895
3896
3897 qla4xxx_copy_fwddb_param(ha, fw_ddb_entry, cls_sess, cls_conn);
3898
3899exit_session_conn_fwddb_param:
3900 if (fw_ddb_entry)
3901 dma_free_coherent(&ha->pdev->dev, sizeof(*fw_ddb_entry),
3902 fw_ddb_entry, fw_ddb_entry_dma);
3903}
3904
3905void qla4xxx_update_session_conn_param(struct scsi_qla_host *ha,
3906 struct ddb_entry *ddb_entry)
3907{
3908 struct iscsi_cls_session *cls_sess;
3909 struct iscsi_cls_conn *cls_conn;
3910 struct iscsi_session *sess;
3911 struct iscsi_conn *conn;
3912 uint32_t ddb_state;
3913 dma_addr_t fw_ddb_entry_dma;
3914 struct dev_db_entry *fw_ddb_entry;
3915
3916 fw_ddb_entry = dma_alloc_coherent(&ha->pdev->dev, sizeof(*fw_ddb_entry),
3917 &fw_ddb_entry_dma, GFP_KERNEL);
3918 if (!fw_ddb_entry) {
3919 ql4_printk(KERN_ERR, ha,
3920 "%s: Unable to allocate dma buffer\n", __func__);
3921 goto exit_session_conn_param;
3922 }
3923
3924 if (qla4xxx_get_fwddb_entry(ha, ddb_entry->fw_ddb_index, fw_ddb_entry,
3925 fw_ddb_entry_dma, NULL, NULL, &ddb_state,
3926 NULL, NULL, NULL) == QLA_ERROR) {
3927 DEBUG2(ql4_printk(KERN_ERR, ha, "scsi%ld: %s: failed "
3928 "get_ddb_entry for fw_ddb_index %d\n",
3929 ha->host_no, __func__,
3930 ddb_entry->fw_ddb_index));
3931 goto exit_session_conn_param;
3932 }
3933
3934 cls_sess = ddb_entry->sess;
3935 sess = cls_sess->dd_data;
3936
3937 cls_conn = ddb_entry->conn;
3938 conn = cls_conn->dd_data;
3939
3940
3941 ddb_entry->default_relogin_timeout =
3942 (le16_to_cpu(fw_ddb_entry->def_timeout) > LOGIN_TOV) &&
3943 (le16_to_cpu(fw_ddb_entry->def_timeout) < LOGIN_TOV * 10) ?
3944 le16_to_cpu(fw_ddb_entry->def_timeout) : LOGIN_TOV;
3945 ddb_entry->default_time2wait =
3946 le16_to_cpu(fw_ddb_entry->iscsi_def_time2wait);
3947
3948
3949 ddb_entry->chap_tbl_idx = le16_to_cpu(fw_ddb_entry->chap_tbl_idx);
3950 qla4xxx_copy_to_sess_conn_params(conn, sess, fw_ddb_entry);
3951
3952 memcpy(sess->initiatorname, ha->name_string,
3953 min(sizeof(ha->name_string), sizeof(sess->initiatorname)));
3954
3955exit_session_conn_param:
3956 if (fw_ddb_entry)
3957 dma_free_coherent(&ha->pdev->dev, sizeof(*fw_ddb_entry),
3958 fw_ddb_entry, fw_ddb_entry_dma);
3959}
3960
3961
3962
3963
3964
3965static void qla4xxx_start_timer(struct scsi_qla_host *ha, void *func,
3966 unsigned long interval)
3967{
3968 DEBUG(printk("scsi: %s: Starting timer thread for adapter %d\n",
3969 __func__, ha->host->host_no));
3970 init_timer(&ha->timer);
3971 ha->timer.expires = jiffies + interval * HZ;
3972 ha->timer.data = (unsigned long)ha;
3973 ha->timer.function = (void (*)(unsigned long))func;
3974 add_timer(&ha->timer);
3975 ha->timer_active = 1;
3976}
3977
3978static void qla4xxx_stop_timer(struct scsi_qla_host *ha)
3979{
3980 del_timer_sync(&ha->timer);
3981 ha->timer_active = 0;
3982}
3983
3984
3985
3986
3987
3988
3989
3990
3991void qla4xxx_mark_device_missing(struct iscsi_cls_session *cls_session)
3992{
3993 iscsi_block_session(cls_session);
3994}
3995
3996
3997
3998
3999
4000
4001
4002void qla4xxx_mark_all_devices_missing(struct scsi_qla_host *ha)
4003{
4004 iscsi_host_for_each_session(ha->host, qla4xxx_mark_device_missing);
4005}
4006
4007static struct srb* qla4xxx_get_new_srb(struct scsi_qla_host *ha,
4008 struct ddb_entry *ddb_entry,
4009 struct scsi_cmnd *cmd)
4010{
4011 struct srb *srb;
4012
4013 srb = mempool_alloc(ha->srb_mempool, GFP_ATOMIC);
4014 if (!srb)
4015 return srb;
4016
4017 kref_init(&srb->srb_ref);
4018 srb->ha = ha;
4019 srb->ddb = ddb_entry;
4020 srb->cmd = cmd;
4021 srb->flags = 0;
4022 CMD_SP(cmd) = (void *)srb;
4023
4024 return srb;
4025}
4026
4027static void qla4xxx_srb_free_dma(struct scsi_qla_host *ha, struct srb *srb)
4028{
4029 struct scsi_cmnd *cmd = srb->cmd;
4030
4031 if (srb->flags & SRB_DMA_VALID) {
4032 scsi_dma_unmap(cmd);
4033 srb->flags &= ~SRB_DMA_VALID;
4034 }
4035 CMD_SP(cmd) = NULL;
4036}
4037
4038void qla4xxx_srb_compl(struct kref *ref)
4039{
4040 struct srb *srb = container_of(ref, struct srb, srb_ref);
4041 struct scsi_cmnd *cmd = srb->cmd;
4042 struct scsi_qla_host *ha = srb->ha;
4043
4044 qla4xxx_srb_free_dma(ha, srb);
4045
4046 mempool_free(srb, ha->srb_mempool);
4047
4048 cmd->scsi_done(cmd);
4049}
4050
4051
4052
4053
4054
4055
4056
4057
4058
4059
4060
4061
4062
4063
4064static int qla4xxx_queuecommand(struct Scsi_Host *host, struct scsi_cmnd *cmd)
4065{
4066 struct scsi_qla_host *ha = to_qla_host(host);
4067 struct ddb_entry *ddb_entry = cmd->device->hostdata;
4068 struct iscsi_cls_session *sess = ddb_entry->sess;
4069 struct srb *srb;
4070 int rval;
4071
4072 if (test_bit(AF_EEH_BUSY, &ha->flags)) {
4073 if (test_bit(AF_PCI_CHANNEL_IO_PERM_FAILURE, &ha->flags))
4074 cmd->result = DID_NO_CONNECT << 16;
4075 else
4076 cmd->result = DID_REQUEUE << 16;
4077 goto qc_fail_command;
4078 }
4079
4080 if (!sess) {
4081 cmd->result = DID_IMM_RETRY << 16;
4082 goto qc_fail_command;
4083 }
4084
4085 rval = iscsi_session_chkready(sess);
4086 if (rval) {
4087 cmd->result = rval;
4088 goto qc_fail_command;
4089 }
4090
4091 if (test_bit(DPC_RESET_HA_INTR, &ha->dpc_flags) ||
4092 test_bit(DPC_RESET_ACTIVE, &ha->dpc_flags) ||
4093 test_bit(DPC_RESET_HA, &ha->dpc_flags) ||
4094 test_bit(DPC_HA_UNRECOVERABLE, &ha->dpc_flags) ||
4095 test_bit(DPC_HA_NEED_QUIESCENT, &ha->dpc_flags) ||
4096 !test_bit(AF_ONLINE, &ha->flags) ||
4097 !test_bit(AF_LINK_UP, &ha->flags) ||
4098 test_bit(AF_LOOPBACK, &ha->flags) ||
4099 test_bit(DPC_POST_IDC_ACK, &ha->dpc_flags) ||
4100 test_bit(DPC_RESTORE_ACB, &ha->dpc_flags) ||
4101 test_bit(DPC_RESET_HA_FW_CONTEXT, &ha->dpc_flags))
4102 goto qc_host_busy;
4103
4104 srb = qla4xxx_get_new_srb(ha, ddb_entry, cmd);
4105 if (!srb)
4106 goto qc_host_busy;
4107
4108 rval = qla4xxx_send_command_to_isp(ha, srb);
4109 if (rval != QLA_SUCCESS)
4110 goto qc_host_busy_free_sp;
4111
4112 return 0;
4113
4114qc_host_busy_free_sp:
4115 qla4xxx_srb_free_dma(ha, srb);
4116 mempool_free(srb, ha->srb_mempool);
4117
4118qc_host_busy:
4119 return SCSI_MLQUEUE_HOST_BUSY;
4120
4121qc_fail_command:
4122 cmd->scsi_done(cmd);
4123
4124 return 0;
4125}
4126
4127
4128
4129
4130
4131
4132
4133static void qla4xxx_mem_free(struct scsi_qla_host *ha)
4134{
4135 if (ha->queues)
4136 dma_free_coherent(&ha->pdev->dev, ha->queues_len, ha->queues,
4137 ha->queues_dma);
4138
4139 if (ha->fw_dump)
4140 vfree(ha->fw_dump);
4141
4142 ha->queues_len = 0;
4143 ha->queues = NULL;
4144 ha->queues_dma = 0;
4145 ha->request_ring = NULL;
4146 ha->request_dma = 0;
4147 ha->response_ring = NULL;
4148 ha->response_dma = 0;
4149 ha->shadow_regs = NULL;
4150 ha->shadow_regs_dma = 0;
4151 ha->fw_dump = NULL;
4152 ha->fw_dump_size = 0;
4153
4154
4155 if (ha->srb_mempool)
4156 mempool_destroy(ha->srb_mempool);
4157
4158 ha->srb_mempool = NULL;
4159
4160 if (ha->chap_dma_pool)
4161 dma_pool_destroy(ha->chap_dma_pool);
4162
4163 if (ha->chap_list)
4164 vfree(ha->chap_list);
4165 ha->chap_list = NULL;
4166
4167 if (ha->fw_ddb_dma_pool)
4168 dma_pool_destroy(ha->fw_ddb_dma_pool);
4169
4170
4171 if (is_qla8022(ha)) {
4172 if (ha->nx_pcibase)
4173 iounmap(
4174 (struct device_reg_82xx __iomem *)ha->nx_pcibase);
4175 } else if (is_qla8032(ha) || is_qla8042(ha)) {
4176 if (ha->nx_pcibase)
4177 iounmap(
4178 (struct device_reg_83xx __iomem *)ha->nx_pcibase);
4179 } else if (ha->reg) {
4180 iounmap(ha->reg);
4181 }
4182
4183 if (ha->reset_tmplt.buff)
4184 vfree(ha->reset_tmplt.buff);
4185
4186 pci_release_regions(ha->pdev);
4187}
4188
4189
4190
4191
4192
4193
4194
4195
4196static int qla4xxx_mem_alloc(struct scsi_qla_host *ha)
4197{
4198 unsigned long align;
4199
4200
4201 ha->queues_len = ((REQUEST_QUEUE_DEPTH * QUEUE_SIZE) +
4202 (RESPONSE_QUEUE_DEPTH * QUEUE_SIZE) +
4203 sizeof(struct shadow_regs) +
4204 MEM_ALIGN_VALUE +
4205 (PAGE_SIZE - 1)) & ~(PAGE_SIZE - 1);
4206 ha->queues = dma_alloc_coherent(&ha->pdev->dev, ha->queues_len,
4207 &ha->queues_dma, GFP_KERNEL);
4208 if (ha->queues == NULL) {
4209 ql4_printk(KERN_WARNING, ha,
4210 "Memory Allocation failed - queues.\n");
4211
4212 goto mem_alloc_error_exit;
4213 }
4214 memset(ha->queues, 0, ha->queues_len);
4215
4216
4217
4218
4219
4220 align = 0;
4221 if ((unsigned long)ha->queues_dma & (MEM_ALIGN_VALUE - 1))
4222 align = MEM_ALIGN_VALUE - ((unsigned long)ha->queues_dma &
4223 (MEM_ALIGN_VALUE - 1));
4224
4225
4226 ha->request_dma = ha->queues_dma + align;
4227 ha->request_ring = (struct queue_entry *) (ha->queues + align);
4228 ha->response_dma = ha->queues_dma + align +
4229 (REQUEST_QUEUE_DEPTH * QUEUE_SIZE);
4230 ha->response_ring = (struct queue_entry *) (ha->queues + align +
4231 (REQUEST_QUEUE_DEPTH *
4232 QUEUE_SIZE));
4233 ha->shadow_regs_dma = ha->queues_dma + align +
4234 (REQUEST_QUEUE_DEPTH * QUEUE_SIZE) +
4235 (RESPONSE_QUEUE_DEPTH * QUEUE_SIZE);
4236 ha->shadow_regs = (struct shadow_regs *) (ha->queues + align +
4237 (REQUEST_QUEUE_DEPTH *
4238 QUEUE_SIZE) +
4239 (RESPONSE_QUEUE_DEPTH *
4240 QUEUE_SIZE));
4241
4242
4243 ha->srb_mempool = mempool_create(SRB_MIN_REQ, mempool_alloc_slab,
4244 mempool_free_slab, srb_cachep);
4245 if (ha->srb_mempool == NULL) {
4246 ql4_printk(KERN_WARNING, ha,
4247 "Memory Allocation failed - SRB Pool.\n");
4248
4249 goto mem_alloc_error_exit;
4250 }
4251
4252 ha->chap_dma_pool = dma_pool_create("ql4_chap", &ha->pdev->dev,
4253 CHAP_DMA_BLOCK_SIZE, 8, 0);
4254
4255 if (ha->chap_dma_pool == NULL) {
4256 ql4_printk(KERN_WARNING, ha,
4257 "%s: chap_dma_pool allocation failed..\n", __func__);
4258 goto mem_alloc_error_exit;
4259 }
4260
4261 ha->fw_ddb_dma_pool = dma_pool_create("ql4_fw_ddb", &ha->pdev->dev,
4262 DDB_DMA_BLOCK_SIZE, 8, 0);
4263
4264 if (ha->fw_ddb_dma_pool == NULL) {
4265 ql4_printk(KERN_WARNING, ha,
4266 "%s: fw_ddb_dma_pool allocation failed..\n",
4267 __func__);
4268 goto mem_alloc_error_exit;
4269 }
4270
4271 return QLA_SUCCESS;
4272
4273mem_alloc_error_exit:
4274 qla4xxx_mem_free(ha);
4275 return QLA_ERROR;
4276}
4277
4278
4279
4280
4281
4282
4283
4284static int qla4_8xxx_check_temp(struct scsi_qla_host *ha)
4285{
4286 uint32_t temp, temp_state, temp_val;
4287 int status = QLA_SUCCESS;
4288
4289 temp = qla4_8xxx_rd_direct(ha, QLA8XXX_CRB_TEMP_STATE);
4290
4291 temp_state = qla82xx_get_temp_state(temp);
4292 temp_val = qla82xx_get_temp_val(temp);
4293
4294 if (temp_state == QLA82XX_TEMP_PANIC) {
4295 ql4_printk(KERN_WARNING, ha, "Device temperature %d degrees C"
4296 " exceeds maximum allowed. Hardware has been shut"
4297 " down.\n", temp_val);
4298 status = QLA_ERROR;
4299 } else if (temp_state == QLA82XX_TEMP_WARN) {
4300 if (ha->temperature == QLA82XX_TEMP_NORMAL)
4301 ql4_printk(KERN_WARNING, ha, "Device temperature %d"
4302 " degrees C exceeds operating range."
4303 " Immediate action needed.\n", temp_val);
4304 } else {
4305 if (ha->temperature == QLA82XX_TEMP_WARN)
4306 ql4_printk(KERN_INFO, ha, "Device temperature is"
4307 " now %d degrees C in normal range.\n",
4308 temp_val);
4309 }
4310 ha->temperature = temp_state;
4311 return status;
4312}
4313
4314
4315
4316
4317
4318
4319
4320static int qla4_8xxx_check_fw_alive(struct scsi_qla_host *ha)
4321{
4322 uint32_t fw_heartbeat_counter;
4323 int status = QLA_SUCCESS;
4324
4325 fw_heartbeat_counter = qla4_8xxx_rd_direct(ha,
4326 QLA8XXX_PEG_ALIVE_COUNTER);
4327
4328 if (fw_heartbeat_counter == 0xffffffff) {
4329 DEBUG2(printk(KERN_WARNING "scsi%ld: %s: Device in frozen "
4330 "state, QLA82XX_PEG_ALIVE_COUNTER is 0xffffffff\n",
4331 ha->host_no, __func__));
4332 return status;
4333 }
4334
4335 if (ha->fw_heartbeat_counter == fw_heartbeat_counter) {
4336 ha->seconds_since_last_heartbeat++;
4337
4338 if (ha->seconds_since_last_heartbeat == 2) {
4339 ha->seconds_since_last_heartbeat = 0;
4340 qla4_8xxx_dump_peg_reg(ha);
4341 status = QLA_ERROR;
4342 }
4343 } else
4344 ha->seconds_since_last_heartbeat = 0;
4345
4346 ha->fw_heartbeat_counter = fw_heartbeat_counter;
4347 return status;
4348}
4349
4350static void qla4_8xxx_process_fw_error(struct scsi_qla_host *ha)
4351{
4352 uint32_t halt_status;
4353 int halt_status_unrecoverable = 0;
4354
4355 halt_status = qla4_8xxx_rd_direct(ha, QLA8XXX_PEG_HALT_STATUS1);
4356
4357 if (is_qla8022(ha)) {
4358 ql4_printk(KERN_INFO, ha, "%s: disabling pause transmit on port 0 & 1.\n",
4359 __func__);
4360 qla4_82xx_wr_32(ha, QLA82XX_CRB_NIU + 0x98,
4361 CRB_NIU_XG_PAUSE_CTL_P0 |
4362 CRB_NIU_XG_PAUSE_CTL_P1);
4363
4364 if (QLA82XX_FWERROR_CODE(halt_status) == 0x67)
4365 ql4_printk(KERN_ERR, ha, "%s: Firmware aborted with error code 0x00006700. Device is being reset\n",
4366 __func__);
4367 if (halt_status & HALT_STATUS_UNRECOVERABLE)
4368 halt_status_unrecoverable = 1;
4369 } else if (is_qla8032(ha) || is_qla8042(ha)) {
4370 if (halt_status & QLA83XX_HALT_STATUS_FW_RESET)
4371 ql4_printk(KERN_ERR, ha, "%s: Firmware error detected device is being reset\n",
4372 __func__);
4373 else if (halt_status & QLA83XX_HALT_STATUS_UNRECOVERABLE)
4374 halt_status_unrecoverable = 1;
4375 }
4376
4377
4378
4379
4380
4381 if (halt_status_unrecoverable) {
4382 set_bit(DPC_HA_UNRECOVERABLE, &ha->dpc_flags);
4383 } else {
4384 ql4_printk(KERN_INFO, ha, "%s: detect abort needed!\n",
4385 __func__);
4386 set_bit(DPC_RESET_HA, &ha->dpc_flags);
4387 }
4388 qla4xxx_mailbox_premature_completion(ha);
4389 qla4xxx_wake_dpc(ha);
4390}
4391
4392
4393
4394
4395
4396
4397
4398void qla4_8xxx_watchdog(struct scsi_qla_host *ha)
4399{
4400 uint32_t dev_state;
4401 uint32_t idc_ctrl;
4402
4403 if (is_qla8032(ha) &&
4404 (qla4_83xx_is_detached(ha) == QLA_SUCCESS))
4405 WARN_ONCE(1, "%s: iSCSI function %d marked invisible\n",
4406 __func__, ha->func_num);
4407
4408
4409 if (!(test_bit(DPC_RESET_ACTIVE, &ha->dpc_flags) ||
4410 test_bit(DPC_RESET_HA, &ha->dpc_flags) ||
4411 test_bit(DPC_RETRY_RESET_HA, &ha->dpc_flags))) {
4412 dev_state = qla4_8xxx_rd_direct(ha, QLA8XXX_CRB_DEV_STATE);
4413
4414 if (qla4_8xxx_check_temp(ha)) {
4415 if (is_qla8022(ha)) {
4416 ql4_printk(KERN_INFO, ha, "disabling pause transmit on port 0 & 1.\n");
4417 qla4_82xx_wr_32(ha, QLA82XX_CRB_NIU + 0x98,
4418 CRB_NIU_XG_PAUSE_CTL_P0 |
4419 CRB_NIU_XG_PAUSE_CTL_P1);
4420 }
4421 set_bit(DPC_HA_UNRECOVERABLE, &ha->dpc_flags);
4422 qla4xxx_wake_dpc(ha);
4423 } else if (dev_state == QLA8XXX_DEV_NEED_RESET &&
4424 !test_bit(DPC_RESET_HA, &ha->dpc_flags)) {
4425
4426 ql4_printk(KERN_INFO, ha, "%s: HW State: NEED RESET!\n",
4427 __func__);
4428
4429 if (is_qla8032(ha) || is_qla8042(ha)) {
4430 idc_ctrl = qla4_83xx_rd_reg(ha,
4431 QLA83XX_IDC_DRV_CTRL);
4432 if (!(idc_ctrl & GRACEFUL_RESET_BIT1)) {
4433 ql4_printk(KERN_INFO, ha, "%s: Graceful reset bit is not set\n",
4434 __func__);
4435 qla4xxx_mailbox_premature_completion(
4436 ha);
4437 }
4438 }
4439
4440 if ((is_qla8032(ha) || is_qla8042(ha)) ||
4441 (is_qla8022(ha) && !ql4xdontresethba)) {
4442 set_bit(DPC_RESET_HA, &ha->dpc_flags);
4443 qla4xxx_wake_dpc(ha);
4444 }
4445 } else if (dev_state == QLA8XXX_DEV_NEED_QUIESCENT &&
4446 !test_bit(DPC_HA_NEED_QUIESCENT, &ha->dpc_flags)) {
4447 ql4_printk(KERN_INFO, ha, "%s: HW State: NEED QUIES!\n",
4448 __func__);
4449 set_bit(DPC_HA_NEED_QUIESCENT, &ha->dpc_flags);
4450 qla4xxx_wake_dpc(ha);
4451 } else {
4452
4453 if (qla4_8xxx_check_fw_alive(ha))
4454 qla4_8xxx_process_fw_error(ha);
4455 }
4456 }
4457}
4458
4459static void qla4xxx_check_relogin_flash_ddb(struct iscsi_cls_session *cls_sess)
4460{
4461 struct iscsi_session *sess;
4462 struct ddb_entry *ddb_entry;
4463 struct scsi_qla_host *ha;
4464
4465 sess = cls_sess->dd_data;
4466 ddb_entry = sess->dd_data;
4467 ha = ddb_entry->ha;
4468
4469 if (!(ddb_entry->ddb_type == FLASH_DDB))
4470 return;
4471
4472 if (adapter_up(ha) && !test_bit(DF_RELOGIN, &ddb_entry->flags) &&
4473 !iscsi_is_session_online(cls_sess)) {
4474 if (atomic_read(&ddb_entry->retry_relogin_timer) !=
4475 INVALID_ENTRY) {
4476 if (atomic_read(&ddb_entry->retry_relogin_timer) ==
4477 0) {
4478 atomic_set(&ddb_entry->retry_relogin_timer,
4479 INVALID_ENTRY);
4480 set_bit(DPC_RELOGIN_DEVICE, &ha->dpc_flags);
4481 set_bit(DF_RELOGIN, &ddb_entry->flags);
4482 DEBUG2(ql4_printk(KERN_INFO, ha,
4483 "%s: index [%d] login device\n",
4484 __func__, ddb_entry->fw_ddb_index));
4485 } else
4486 atomic_dec(&ddb_entry->retry_relogin_timer);
4487 }
4488 }
4489
4490
4491 if (atomic_read(&ddb_entry->relogin_timer) &&
4492 (atomic_dec_and_test(&ddb_entry->relogin_timer) != 0)) {
4493
4494
4495
4496
4497 if (!iscsi_is_session_online(cls_sess)) {
4498
4499 atomic_inc(&ddb_entry->relogin_retry_count);
4500 DEBUG2(ql4_printk(KERN_INFO, ha,
4501 "%s: index[%d] relogin timed out-retrying"
4502 " relogin (%d), retry (%d)\n", __func__,
4503 ddb_entry->fw_ddb_index,
4504 atomic_read(&ddb_entry->relogin_retry_count),
4505 ddb_entry->default_time2wait + 4));
4506 set_bit(DPC_RELOGIN_DEVICE, &ha->dpc_flags);
4507 atomic_set(&ddb_entry->retry_relogin_timer,
4508 ddb_entry->default_time2wait + 4);
4509 }
4510 }
4511}
4512
4513
4514
4515
4516
4517static void qla4xxx_timer(struct scsi_qla_host *ha)
4518{
4519 int start_dpc = 0;
4520 uint16_t w;
4521
4522 iscsi_host_for_each_session(ha->host, qla4xxx_check_relogin_flash_ddb);
4523
4524
4525
4526
4527 if (test_bit(AF_EEH_BUSY, &ha->flags)) {
4528 mod_timer(&ha->timer, jiffies + HZ);
4529 return;
4530 }
4531
4532
4533 if (!pci_channel_offline(ha->pdev))
4534 pci_read_config_word(ha->pdev, PCI_VENDOR_ID, &w);
4535
4536 if (is_qla80XX(ha))
4537 qla4_8xxx_watchdog(ha);
4538
4539 if (is_qla40XX(ha)) {
4540
4541 if (ha->firmware_options & FWOPT_HEARTBEAT_ENABLE &&
4542 ha->heartbeat_interval != 0) {
4543 ha->seconds_since_last_heartbeat++;
4544 if (ha->seconds_since_last_heartbeat >
4545 ha->heartbeat_interval + 2)
4546 set_bit(DPC_RESET_HA, &ha->dpc_flags);
4547 }
4548 }
4549
4550
4551 if (!list_empty(&ha->work_list))
4552 start_dpc++;
4553
4554
4555 if (start_dpc ||
4556 test_bit(DPC_RESET_HA, &ha->dpc_flags) ||
4557 test_bit(DPC_RETRY_RESET_HA, &ha->dpc_flags) ||
4558 test_bit(DPC_RELOGIN_DEVICE, &ha->dpc_flags) ||
4559 test_bit(DPC_RESET_HA_FW_CONTEXT, &ha->dpc_flags) ||
4560 test_bit(DPC_RESET_HA_INTR, &ha->dpc_flags) ||
4561 test_bit(DPC_GET_DHCP_IP_ADDR, &ha->dpc_flags) ||
4562 test_bit(DPC_LINK_CHANGED, &ha->dpc_flags) ||
4563 test_bit(DPC_HA_UNRECOVERABLE, &ha->dpc_flags) ||
4564 test_bit(DPC_HA_NEED_QUIESCENT, &ha->dpc_flags) ||
4565 test_bit(DPC_SYSFS_DDB_EXPORT, &ha->dpc_flags) ||
4566 test_bit(DPC_AEN, &ha->dpc_flags)) {
4567 DEBUG2(printk("scsi%ld: %s: scheduling dpc routine"
4568 " - dpc flags = 0x%lx\n",
4569 ha->host_no, __func__, ha->dpc_flags));
4570 qla4xxx_wake_dpc(ha);
4571 }
4572
4573
4574 mod_timer(&ha->timer, jiffies + HZ);
4575
4576 DEBUG2(ha->seconds_since_last_intr++);
4577}
4578
4579
4580
4581
4582
4583
4584
4585
4586static int qla4xxx_cmd_wait(struct scsi_qla_host *ha)
4587{
4588 uint32_t index = 0;
4589 unsigned long flags;
4590 struct scsi_cmnd *cmd;
4591 unsigned long wtime;
4592 uint32_t wtmo;
4593
4594 if (is_qla40XX(ha))
4595 wtmo = WAIT_CMD_TOV;
4596 else
4597 wtmo = ha->nx_reset_timeout / 2;
4598
4599 wtime = jiffies + (wtmo * HZ);
4600
4601 DEBUG2(ql4_printk(KERN_INFO, ha,
4602 "Wait up to %u seconds for cmds to complete\n",
4603 wtmo));
4604
4605 while (!time_after_eq(jiffies, wtime)) {
4606 spin_lock_irqsave(&ha->hardware_lock, flags);
4607
4608 for (index = 0; index < ha->host->can_queue; index++) {
4609 cmd = scsi_host_find_tag(ha->host, index);
4610
4611
4612
4613
4614
4615
4616 if (cmd != NULL && CMD_SP(cmd))
4617 break;
4618 }
4619 spin_unlock_irqrestore(&ha->hardware_lock, flags);
4620
4621
4622 if (index == ha->host->can_queue)
4623 return QLA_SUCCESS;
4624
4625 msleep(1000);
4626 }
4627
4628
4629 return QLA_ERROR;
4630}
4631
4632int qla4xxx_hw_reset(struct scsi_qla_host *ha)
4633{
4634 uint32_t ctrl_status;
4635 unsigned long flags = 0;
4636
4637 DEBUG2(printk(KERN_ERR "scsi%ld: %s\n", ha->host_no, __func__));
4638
4639 if (ql4xxx_lock_drvr_wait(ha) != QLA_SUCCESS)
4640 return QLA_ERROR;
4641
4642 spin_lock_irqsave(&ha->hardware_lock, flags);
4643
4644
4645
4646
4647
4648 ctrl_status = readw(&ha->reg->ctrl_status);
4649 if ((ctrl_status & CSR_SCSI_RESET_INTR) != 0)
4650 writel(set_rmask(CSR_SCSI_RESET_INTR), &ha->reg->ctrl_status);
4651
4652
4653 writel(set_rmask(CSR_SOFT_RESET), &ha->reg->ctrl_status);
4654 readl(&ha->reg->ctrl_status);
4655
4656 spin_unlock_irqrestore(&ha->hardware_lock, flags);
4657 return QLA_SUCCESS;
4658}
4659
4660
4661
4662
4663
4664int qla4xxx_soft_reset(struct scsi_qla_host *ha)
4665{
4666 uint32_t max_wait_time;
4667 unsigned long flags = 0;
4668 int status;
4669 uint32_t ctrl_status;
4670
4671 status = qla4xxx_hw_reset(ha);
4672 if (status != QLA_SUCCESS)
4673 return status;
4674
4675 status = QLA_ERROR;
4676
4677 max_wait_time = RESET_INTR_TOV;
4678 do {
4679 spin_lock_irqsave(&ha->hardware_lock, flags);
4680 ctrl_status = readw(&ha->reg->ctrl_status);
4681 spin_unlock_irqrestore(&ha->hardware_lock, flags);
4682
4683 if ((ctrl_status & CSR_NET_RESET_INTR) == 0)
4684 break;
4685
4686 msleep(1000);
4687 } while ((--max_wait_time));
4688
4689 if ((ctrl_status & CSR_NET_RESET_INTR) != 0) {
4690 DEBUG2(printk(KERN_WARNING
4691 "scsi%ld: Network Reset Intr not cleared by "
4692 "Network function, clearing it now!\n",
4693 ha->host_no));
4694 spin_lock_irqsave(&ha->hardware_lock, flags);
4695 writel(set_rmask(CSR_NET_RESET_INTR), &ha->reg->ctrl_status);
4696 readl(&ha->reg->ctrl_status);
4697 spin_unlock_irqrestore(&ha->hardware_lock, flags);
4698 }
4699
4700
4701 max_wait_time = SOFT_RESET_TOV;
4702 do {
4703 spin_lock_irqsave(&ha->hardware_lock, flags);
4704 ctrl_status = readw(&ha->reg->ctrl_status);
4705 spin_unlock_irqrestore(&ha->hardware_lock, flags);
4706
4707 if ((ctrl_status & CSR_SOFT_RESET) == 0) {
4708 status = QLA_SUCCESS;
4709 break;
4710 }
4711
4712 msleep(1000);
4713 } while ((--max_wait_time));
4714
4715
4716
4717
4718
4719 spin_lock_irqsave(&ha->hardware_lock, flags);
4720 ctrl_status = readw(&ha->reg->ctrl_status);
4721 if ((ctrl_status & CSR_SCSI_RESET_INTR) != 0) {
4722 writel(set_rmask(CSR_SCSI_RESET_INTR), &ha->reg->ctrl_status);
4723 readl(&ha->reg->ctrl_status);
4724 }
4725 spin_unlock_irqrestore(&ha->hardware_lock, flags);
4726
4727
4728
4729
4730
4731
4732
4733 if (max_wait_time == 0) {
4734
4735 spin_lock_irqsave(&ha->hardware_lock, flags);
4736 writel(set_rmask(CSR_FORCE_SOFT_RESET), &ha->reg->ctrl_status);
4737 readl(&ha->reg->ctrl_status);
4738 spin_unlock_irqrestore(&ha->hardware_lock, flags);
4739
4740 max_wait_time = SOFT_RESET_TOV;
4741 do {
4742 spin_lock_irqsave(&ha->hardware_lock, flags);
4743 ctrl_status = readw(&ha->reg->ctrl_status);
4744 spin_unlock_irqrestore(&ha->hardware_lock, flags);
4745
4746 if ((ctrl_status & CSR_FORCE_SOFT_RESET) == 0) {
4747 status = QLA_SUCCESS;
4748 break;
4749 }
4750
4751 msleep(1000);
4752 } while ((--max_wait_time));
4753 }
4754
4755 return status;
4756}
4757
4758
4759
4760
4761
4762
4763
4764
4765
4766
4767
4768static void qla4xxx_abort_active_cmds(struct scsi_qla_host *ha, int res)
4769{
4770 struct srb *srb;
4771 int i;
4772 unsigned long flags;
4773
4774 spin_lock_irqsave(&ha->hardware_lock, flags);
4775 for (i = 0; i < ha->host->can_queue; i++) {
4776 srb = qla4xxx_del_from_active_array(ha, i);
4777 if (srb != NULL) {
4778 srb->cmd->result = res;
4779 kref_put(&srb->srb_ref, qla4xxx_srb_compl);
4780 }
4781 }
4782 spin_unlock_irqrestore(&ha->hardware_lock, flags);
4783}
4784
4785void qla4xxx_dead_adapter_cleanup(struct scsi_qla_host *ha)
4786{
4787 clear_bit(AF_ONLINE, &ha->flags);
4788
4789
4790 ql4_printk(KERN_INFO, ha, "Disabling the board\n");
4791
4792 qla4xxx_abort_active_cmds(ha, DID_NO_CONNECT << 16);
4793 qla4xxx_mark_all_devices_missing(ha);
4794 clear_bit(AF_INIT_DONE, &ha->flags);
4795}
4796
4797static void qla4xxx_fail_session(struct iscsi_cls_session *cls_session)
4798{
4799 struct iscsi_session *sess;
4800 struct ddb_entry *ddb_entry;
4801
4802 sess = cls_session->dd_data;
4803 ddb_entry = sess->dd_data;
4804 ddb_entry->fw_ddb_device_state = DDB_DS_SESSION_FAILED;
4805
4806 if (ddb_entry->ddb_type == FLASH_DDB)
4807 iscsi_block_session(ddb_entry->sess);
4808 else
4809 iscsi_session_failure(cls_session->dd_data,
4810 ISCSI_ERR_CONN_FAILED);
4811}
4812
4813
4814
4815
4816
4817static int qla4xxx_recover_adapter(struct scsi_qla_host *ha)
4818{
4819 int status = QLA_ERROR;
4820 uint8_t reset_chip = 0;
4821 uint32_t dev_state;
4822 unsigned long wait;
4823
4824
4825 scsi_block_requests(ha->host);
4826 clear_bit(AF_ONLINE, &ha->flags);
4827 clear_bit(AF_LINK_UP, &ha->flags);
4828
4829 DEBUG2(ql4_printk(KERN_INFO, ha, "%s: adapter OFFLINE\n", __func__));
4830
4831 set_bit(DPC_RESET_ACTIVE, &ha->dpc_flags);
4832
4833 if ((is_qla8032(ha) || is_qla8042(ha)) &&
4834 !test_bit(DPC_RESET_HA_FW_CONTEXT, &ha->dpc_flags)) {
4835 ql4_printk(KERN_INFO, ha, "%s: disabling pause transmit on port 0 & 1.\n",
4836 __func__);
4837
4838 qla4_83xx_disable_pause(ha);
4839 }
4840
4841 iscsi_host_for_each_session(ha->host, qla4xxx_fail_session);
4842
4843 if (test_bit(DPC_RESET_HA, &ha->dpc_flags))
4844 reset_chip = 1;
4845
4846
4847
4848 if (test_bit(DPC_RESET_HA_INTR, &ha->dpc_flags)) {
4849 status = QLA_SUCCESS;
4850 goto recover_ha_init_adapter;
4851 }
4852
4853
4854
4855 if (is_qla80XX(ha) && !reset_chip &&
4856 test_bit(DPC_RESET_HA_FW_CONTEXT, &ha->dpc_flags)) {
4857
4858 DEBUG2(ql4_printk(KERN_INFO, ha,
4859 "scsi%ld: %s - Performing stop_firmware...\n",
4860 ha->host_no, __func__));
4861 status = ha->isp_ops->reset_firmware(ha);
4862 if (status == QLA_SUCCESS) {
4863 ha->isp_ops->disable_intrs(ha);
4864 qla4xxx_process_aen(ha, FLUSH_DDB_CHANGED_AENS);
4865 qla4xxx_abort_active_cmds(ha, DID_RESET << 16);
4866 } else {
4867
4868
4869 reset_chip = 1;
4870 clear_bit(DPC_RESET_HA_FW_CONTEXT, &ha->dpc_flags);
4871 set_bit(DPC_RESET_HA, &ha->dpc_flags);
4872 }
4873 }
4874
4875
4876
4877
4878 if (is_qla40XX(ha) || reset_chip) {
4879 if (is_qla40XX(ha))
4880 goto chip_reset;
4881
4882
4883
4884
4885 if (test_bit(AF_FW_RECOVERY, &ha->flags))
4886 goto chip_reset;
4887
4888 wait = jiffies + (FW_ALIVE_WAIT_TOV * HZ);
4889 while (time_before(jiffies, wait)) {
4890 if (qla4_8xxx_check_fw_alive(ha)) {
4891 qla4xxx_mailbox_premature_completion(ha);
4892 break;
4893 }
4894
4895 set_current_state(TASK_UNINTERRUPTIBLE);
4896 schedule_timeout(HZ);
4897 }
4898chip_reset:
4899 if (!test_bit(AF_FW_RECOVERY, &ha->flags))
4900 qla4xxx_cmd_wait(ha);
4901
4902 qla4xxx_process_aen(ha, FLUSH_DDB_CHANGED_AENS);
4903 DEBUG2(ql4_printk(KERN_INFO, ha,
4904 "scsi%ld: %s - Performing chip reset..\n",
4905 ha->host_no, __func__));
4906 status = ha->isp_ops->reset_chip(ha);
4907 qla4xxx_abort_active_cmds(ha, DID_RESET << 16);
4908 }
4909
4910
4911 qla4xxx_process_aen(ha, FLUSH_DDB_CHANGED_AENS);
4912
4913recover_ha_init_adapter:
4914
4915 if (status == QLA_SUCCESS) {
4916
4917
4918
4919 if (is_qla40XX(ha) && (ha->mac_index == 3))
4920 ssleep(6);
4921
4922
4923
4924 status = qla4xxx_initialize_adapter(ha, RESET_ADAPTER);
4925 if (is_qla80XX(ha) && (status == QLA_ERROR)) {
4926 status = qla4_8xxx_check_init_adapter_retry(ha);
4927 if (status == QLA_ERROR) {
4928 ql4_printk(KERN_INFO, ha, "scsi%ld: %s: Don't retry recover adapter\n",
4929 ha->host_no, __func__);
4930 qla4xxx_dead_adapter_cleanup(ha);
4931 clear_bit(DPC_RETRY_RESET_HA, &ha->dpc_flags);
4932 clear_bit(DPC_RESET_HA, &ha->dpc_flags);
4933 clear_bit(DPC_RESET_HA_FW_CONTEXT,
4934 &ha->dpc_flags);
4935 goto exit_recover;
4936 }
4937 }
4938 }
4939
4940
4941
4942
4943 if (!test_bit(AF_ONLINE, &ha->flags) &&
4944 !test_bit(DPC_RESET_HA_INTR, &ha->dpc_flags)) {
4945
4946
4947
4948
4949
4950 if (is_qla80XX(ha)) {
4951 ha->isp_ops->idc_lock(ha);
4952 dev_state = qla4_8xxx_rd_direct(ha,
4953 QLA8XXX_CRB_DEV_STATE);
4954 ha->isp_ops->idc_unlock(ha);
4955 if (dev_state == QLA8XXX_DEV_FAILED) {
4956 ql4_printk(KERN_INFO, ha, "%s: don't retry "
4957 "recover adapter. H/W is in Failed "
4958 "state\n", __func__);
4959 qla4xxx_dead_adapter_cleanup(ha);
4960 clear_bit(DPC_RETRY_RESET_HA, &ha->dpc_flags);
4961 clear_bit(DPC_RESET_HA, &ha->dpc_flags);
4962 clear_bit(DPC_RESET_HA_FW_CONTEXT,
4963 &ha->dpc_flags);
4964 status = QLA_ERROR;
4965
4966 goto exit_recover;
4967 }
4968 }
4969
4970 if (!test_bit(DPC_RETRY_RESET_HA, &ha->dpc_flags)) {
4971 ha->retry_reset_ha_cnt = MAX_RESET_HA_RETRIES;
4972 DEBUG2(printk("scsi%ld: recover adapter - retrying "
4973 "(%d) more times\n", ha->host_no,
4974 ha->retry_reset_ha_cnt));
4975 set_bit(DPC_RETRY_RESET_HA, &ha->dpc_flags);
4976 status = QLA_ERROR;
4977 } else {
4978 if (ha->retry_reset_ha_cnt > 0) {
4979
4980 ha->retry_reset_ha_cnt--;
4981 DEBUG2(printk("scsi%ld: recover adapter - "
4982 "retry remaining %d\n",
4983 ha->host_no,
4984 ha->retry_reset_ha_cnt));
4985 status = QLA_ERROR;
4986 }
4987
4988 if (ha->retry_reset_ha_cnt == 0) {
4989
4990
4991 DEBUG2(printk("scsi%ld: recover adapter "
4992 "failed - board disabled\n",
4993 ha->host_no));
4994 qla4xxx_dead_adapter_cleanup(ha);
4995 clear_bit(DPC_RETRY_RESET_HA, &ha->dpc_flags);
4996 clear_bit(DPC_RESET_HA, &ha->dpc_flags);
4997 clear_bit(DPC_RESET_HA_FW_CONTEXT,
4998 &ha->dpc_flags);
4999 status = QLA_ERROR;
5000 }
5001 }
5002 } else {
5003 clear_bit(DPC_RESET_HA, &ha->dpc_flags);
5004 clear_bit(DPC_RESET_HA_FW_CONTEXT, &ha->dpc_flags);
5005 clear_bit(DPC_RETRY_RESET_HA, &ha->dpc_flags);
5006 }
5007
5008exit_recover:
5009 ha->adapter_error_count++;
5010
5011 if (test_bit(AF_ONLINE, &ha->flags))
5012 ha->isp_ops->enable_intrs(ha);
5013
5014 scsi_unblock_requests(ha->host);
5015
5016 clear_bit(DPC_RESET_ACTIVE, &ha->dpc_flags);
5017 DEBUG2(printk("scsi%ld: recover adapter: %s\n", ha->host_no,
5018 status == QLA_ERROR ? "FAILED" : "SUCCEEDED"));
5019
5020 return status;
5021}
5022
5023static void qla4xxx_relogin_devices(struct iscsi_cls_session *cls_session)
5024{
5025 struct iscsi_session *sess;
5026 struct ddb_entry *ddb_entry;
5027 struct scsi_qla_host *ha;
5028
5029 sess = cls_session->dd_data;
5030 ddb_entry = sess->dd_data;
5031 ha = ddb_entry->ha;
5032 if (!iscsi_is_session_online(cls_session)) {
5033 if (ddb_entry->fw_ddb_device_state == DDB_DS_SESSION_ACTIVE) {
5034 ql4_printk(KERN_INFO, ha, "scsi%ld: %s: ddb[%d]"
5035 " unblock session\n", ha->host_no, __func__,
5036 ddb_entry->fw_ddb_index);
5037 iscsi_unblock_session(ddb_entry->sess);
5038 } else {
5039
5040 if (ddb_entry->ddb_type == FLASH_DDB) {
5041 if (!(test_bit(DF_RELOGIN, &ddb_entry->flags) ||
5042 test_bit(DF_DISABLE_RELOGIN,
5043 &ddb_entry->flags)))
5044 qla4xxx_arm_relogin_timer(ddb_entry);
5045 } else
5046 iscsi_session_failure(cls_session->dd_data,
5047 ISCSI_ERR_CONN_FAILED);
5048 }
5049 }
5050}
5051
5052int qla4xxx_unblock_flash_ddb(struct iscsi_cls_session *cls_session)
5053{
5054 struct iscsi_session *sess;
5055 struct ddb_entry *ddb_entry;
5056 struct scsi_qla_host *ha;
5057
5058 sess = cls_session->dd_data;
5059 ddb_entry = sess->dd_data;
5060 ha = ddb_entry->ha;
5061 ql4_printk(KERN_INFO, ha, "scsi%ld: %s: ddb[%d]"
5062 " unblock session\n", ha->host_no, __func__,
5063 ddb_entry->fw_ddb_index);
5064
5065 iscsi_unblock_session(ddb_entry->sess);
5066
5067
5068 if (test_bit(AF_ONLINE, &ha->flags)) {
5069 ql4_printk(KERN_INFO, ha, "scsi%ld: %s: ddb[%d]"
5070 " start scan\n", ha->host_no, __func__,
5071 ddb_entry->fw_ddb_index);
5072 scsi_queue_work(ha->host, &ddb_entry->sess->scan_work);
5073 }
5074 return QLA_SUCCESS;
5075}
5076
5077int qla4xxx_unblock_ddb(struct iscsi_cls_session *cls_session)
5078{
5079 struct iscsi_session *sess;
5080 struct ddb_entry *ddb_entry;
5081 struct scsi_qla_host *ha;
5082 int status = QLA_SUCCESS;
5083
5084 sess = cls_session->dd_data;
5085 ddb_entry = sess->dd_data;
5086 ha = ddb_entry->ha;
5087 ql4_printk(KERN_INFO, ha, "scsi%ld: %s: ddb[%d]"
5088 " unblock user space session\n", ha->host_no, __func__,
5089 ddb_entry->fw_ddb_index);
5090
5091 if (!iscsi_is_session_online(cls_session)) {
5092 iscsi_conn_start(ddb_entry->conn);
5093 iscsi_conn_login_event(ddb_entry->conn,
5094 ISCSI_CONN_STATE_LOGGED_IN);
5095 } else {
5096 ql4_printk(KERN_INFO, ha,
5097 "scsi%ld: %s: ddb[%d] session [%d] already logged in\n",
5098 ha->host_no, __func__, ddb_entry->fw_ddb_index,
5099 cls_session->sid);
5100 status = QLA_ERROR;
5101 }
5102
5103 return status;
5104}
5105
5106static void qla4xxx_relogin_all_devices(struct scsi_qla_host *ha)
5107{
5108 iscsi_host_for_each_session(ha->host, qla4xxx_relogin_devices);
5109}
5110
5111static void qla4xxx_relogin_flash_ddb(struct iscsi_cls_session *cls_sess)
5112{
5113 uint16_t relogin_timer;
5114 struct iscsi_session *sess;
5115 struct ddb_entry *ddb_entry;
5116 struct scsi_qla_host *ha;
5117
5118 sess = cls_sess->dd_data;
5119 ddb_entry = sess->dd_data;
5120 ha = ddb_entry->ha;
5121
5122 relogin_timer = max(ddb_entry->default_relogin_timeout,
5123 (uint16_t)RELOGIN_TOV);
5124 atomic_set(&ddb_entry->relogin_timer, relogin_timer);
5125
5126 DEBUG2(ql4_printk(KERN_INFO, ha,
5127 "scsi%ld: Relogin index [%d]. TOV=%d\n", ha->host_no,
5128 ddb_entry->fw_ddb_index, relogin_timer));
5129
5130 qla4xxx_login_flash_ddb(cls_sess);
5131}
5132
5133static void qla4xxx_dpc_relogin(struct iscsi_cls_session *cls_sess)
5134{
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 if (!(ddb_entry->ddb_type == FLASH_DDB))
5144 return;
5145
5146 if (test_bit(DF_DISABLE_RELOGIN, &ddb_entry->flags))
5147 return;
5148
5149 if (test_and_clear_bit(DF_RELOGIN, &ddb_entry->flags) &&
5150 !iscsi_is_session_online(cls_sess)) {
5151 DEBUG2(ql4_printk(KERN_INFO, ha,
5152 "relogin issued\n"));
5153 qla4xxx_relogin_flash_ddb(cls_sess);
5154 }
5155}
5156
5157void qla4xxx_wake_dpc(struct scsi_qla_host *ha)
5158{
5159 if (ha->dpc_thread)
5160 queue_work(ha->dpc_thread, &ha->dpc_work);
5161}
5162
5163static struct qla4_work_evt *
5164qla4xxx_alloc_work(struct scsi_qla_host *ha, uint32_t data_size,
5165 enum qla4_work_type type)
5166{
5167 struct qla4_work_evt *e;
5168 uint32_t size = sizeof(struct qla4_work_evt) + data_size;
5169
5170 e = kzalloc(size, GFP_ATOMIC);
5171 if (!e)
5172 return NULL;
5173
5174 INIT_LIST_HEAD(&e->list);
5175 e->type = type;
5176 return e;
5177}
5178
5179static void qla4xxx_post_work(struct scsi_qla_host *ha,
5180 struct qla4_work_evt *e)
5181{
5182 unsigned long flags;
5183
5184 spin_lock_irqsave(&ha->work_lock, flags);
5185 list_add_tail(&e->list, &ha->work_list);
5186 spin_unlock_irqrestore(&ha->work_lock, flags);
5187 qla4xxx_wake_dpc(ha);
5188}
5189
5190int qla4xxx_post_aen_work(struct scsi_qla_host *ha,
5191 enum iscsi_host_event_code aen_code,
5192 uint32_t data_size, uint8_t *data)
5193{
5194 struct qla4_work_evt *e;
5195
5196 e = qla4xxx_alloc_work(ha, data_size, QLA4_EVENT_AEN);
5197 if (!e)
5198 return QLA_ERROR;
5199
5200 e->u.aen.code = aen_code;
5201 e->u.aen.data_size = data_size;
5202 memcpy(e->u.aen.data, data, data_size);
5203
5204 qla4xxx_post_work(ha, e);
5205
5206 return QLA_SUCCESS;
5207}
5208
5209int qla4xxx_post_ping_evt_work(struct scsi_qla_host *ha,
5210 uint32_t status, uint32_t pid,
5211 uint32_t data_size, uint8_t *data)
5212{
5213 struct qla4_work_evt *e;
5214
5215 e = qla4xxx_alloc_work(ha, data_size, QLA4_EVENT_PING_STATUS);
5216 if (!e)
5217 return QLA_ERROR;
5218
5219 e->u.ping.status = status;
5220 e->u.ping.pid = pid;
5221 e->u.ping.data_size = data_size;
5222 memcpy(e->u.ping.data, data, data_size);
5223
5224 qla4xxx_post_work(ha, e);
5225
5226 return QLA_SUCCESS;
5227}
5228
5229static void qla4xxx_do_work(struct scsi_qla_host *ha)
5230{
5231 struct qla4_work_evt *e, *tmp;
5232 unsigned long flags;
5233 LIST_HEAD(work);
5234
5235 spin_lock_irqsave(&ha->work_lock, flags);
5236 list_splice_init(&ha->work_list, &work);
5237 spin_unlock_irqrestore(&ha->work_lock, flags);
5238
5239 list_for_each_entry_safe(e, tmp, &work, list) {
5240 list_del_init(&e->list);
5241
5242 switch (e->type) {
5243 case QLA4_EVENT_AEN:
5244 iscsi_post_host_event(ha->host_no,
5245 &qla4xxx_iscsi_transport,
5246 e->u.aen.code,
5247 e->u.aen.data_size,
5248 e->u.aen.data);
5249 break;
5250 case QLA4_EVENT_PING_STATUS:
5251 iscsi_ping_comp_event(ha->host_no,
5252 &qla4xxx_iscsi_transport,
5253 e->u.ping.status,
5254 e->u.ping.pid,
5255 e->u.ping.data_size,
5256 e->u.ping.data);
5257 break;
5258 default:
5259 ql4_printk(KERN_WARNING, ha, "event type: 0x%x not "
5260 "supported", e->type);
5261 }
5262 kfree(e);
5263 }
5264}
5265
5266
5267
5268
5269
5270
5271
5272
5273
5274
5275
5276
5277static void qla4xxx_do_dpc(struct work_struct *work)
5278{
5279 struct scsi_qla_host *ha =
5280 container_of(work, struct scsi_qla_host, dpc_work);
5281 int status = QLA_ERROR;
5282
5283 DEBUG2(ql4_printk(KERN_INFO, ha,
5284 "scsi%ld: %s: DPC handler waking up. flags = 0x%08lx, dpc_flags = 0x%08lx\n",
5285 ha->host_no, __func__, ha->flags, ha->dpc_flags));
5286
5287
5288 if (!test_bit(AF_INIT_DONE, &ha->flags))
5289 return;
5290
5291 if (test_bit(AF_EEH_BUSY, &ha->flags)) {
5292 DEBUG2(printk(KERN_INFO "scsi%ld: %s: flags = %lx\n",
5293 ha->host_no, __func__, ha->flags));
5294 return;
5295 }
5296
5297
5298 qla4xxx_do_work(ha);
5299
5300 if (is_qla80XX(ha)) {
5301 if (test_bit(DPC_HA_UNRECOVERABLE, &ha->dpc_flags)) {
5302 if (is_qla8032(ha) || is_qla8042(ha)) {
5303 ql4_printk(KERN_INFO, ha, "%s: disabling pause transmit on port 0 & 1.\n",
5304 __func__);
5305
5306 qla4_83xx_disable_pause(ha);
5307 }
5308
5309 ha->isp_ops->idc_lock(ha);
5310 qla4_8xxx_wr_direct(ha, QLA8XXX_CRB_DEV_STATE,
5311 QLA8XXX_DEV_FAILED);
5312 ha->isp_ops->idc_unlock(ha);
5313 ql4_printk(KERN_INFO, ha, "HW State: FAILED\n");
5314 qla4_8xxx_device_state_handler(ha);
5315 }
5316
5317 if (test_bit(DPC_POST_IDC_ACK, &ha->dpc_flags)) {
5318 if (is_qla8042(ha)) {
5319 if (ha->idc_info.info2 &
5320 ENABLE_INTERNAL_LOOPBACK) {
5321 ql4_printk(KERN_INFO, ha, "%s: Disabling ACB\n",
5322 __func__);
5323 status = qla4_84xx_config_acb(ha,
5324 ACB_CONFIG_DISABLE);
5325 if (status != QLA_SUCCESS) {
5326 ql4_printk(KERN_INFO, ha, "%s: ACB config failed\n",
5327 __func__);
5328 }
5329 }
5330 }
5331 qla4_83xx_post_idc_ack(ha);
5332 clear_bit(DPC_POST_IDC_ACK, &ha->dpc_flags);
5333 }
5334
5335 if (is_qla8042(ha) &&
5336 test_bit(DPC_RESTORE_ACB, &ha->dpc_flags)) {
5337 ql4_printk(KERN_INFO, ha, "%s: Restoring ACB\n",
5338 __func__);
5339 if (qla4_84xx_config_acb(ha, ACB_CONFIG_SET) !=
5340 QLA_SUCCESS) {
5341 ql4_printk(KERN_INFO, ha, "%s: ACB config failed ",
5342 __func__);
5343 }
5344 clear_bit(DPC_RESTORE_ACB, &ha->dpc_flags);
5345 }
5346
5347 if (test_and_clear_bit(DPC_HA_NEED_QUIESCENT, &ha->dpc_flags)) {
5348 qla4_8xxx_need_qsnt_handler(ha);
5349 }
5350 }
5351
5352 if (!test_bit(DPC_RESET_ACTIVE, &ha->dpc_flags) &&
5353 (test_bit(DPC_RESET_HA, &ha->dpc_flags) ||
5354 test_bit(DPC_RESET_HA_INTR, &ha->dpc_flags) ||
5355 test_bit(DPC_RESET_HA_FW_CONTEXT, &ha->dpc_flags))) {
5356 if ((is_qla8022(ha) && ql4xdontresethba) ||
5357 ((is_qla8032(ha) || is_qla8042(ha)) &&
5358 qla4_83xx_idc_dontreset(ha))) {
5359 DEBUG2(printk("scsi%ld: %s: Don't Reset HBA\n",
5360 ha->host_no, __func__));
5361 clear_bit(DPC_RESET_HA, &ha->dpc_flags);
5362 clear_bit(DPC_RESET_HA_INTR, &ha->dpc_flags);
5363 clear_bit(DPC_RESET_HA_FW_CONTEXT, &ha->dpc_flags);
5364 goto dpc_post_reset_ha;
5365 }
5366 if (test_bit(DPC_RESET_HA_FW_CONTEXT, &ha->dpc_flags) ||
5367 test_bit(DPC_RESET_HA, &ha->dpc_flags))
5368 qla4xxx_recover_adapter(ha);
5369
5370 if (test_bit(DPC_RESET_HA_INTR, &ha->dpc_flags)) {
5371 uint8_t wait_time = RESET_INTR_TOV;
5372
5373 while ((readw(&ha->reg->ctrl_status) &
5374 (CSR_SOFT_RESET | CSR_FORCE_SOFT_RESET)) != 0) {
5375 if (--wait_time == 0)
5376 break;
5377 msleep(1000);
5378 }
5379 if (wait_time == 0)
5380 DEBUG2(printk("scsi%ld: %s: SR|FSR "
5381 "bit not cleared-- resetting\n",
5382 ha->host_no, __func__));
5383 qla4xxx_abort_active_cmds(ha, DID_RESET << 16);
5384 if (ql4xxx_lock_drvr_wait(ha) == QLA_SUCCESS) {
5385 qla4xxx_process_aen(ha, FLUSH_DDB_CHANGED_AENS);
5386 status = qla4xxx_recover_adapter(ha);
5387 }
5388 clear_bit(DPC_RESET_HA_INTR, &ha->dpc_flags);
5389 if (status == QLA_SUCCESS)
5390 ha->isp_ops->enable_intrs(ha);
5391 }
5392 }
5393
5394dpc_post_reset_ha:
5395
5396 if (test_and_clear_bit(DPC_AEN, &ha->dpc_flags))
5397 qla4xxx_process_aen(ha, PROCESS_ALL_AENS);
5398
5399
5400 if (test_and_clear_bit(DPC_GET_DHCP_IP_ADDR, &ha->dpc_flags))
5401 qla4xxx_get_dhcp_ip_address(ha);
5402
5403
5404 if (adapter_up(ha) &&
5405 test_and_clear_bit(DPC_RELOGIN_DEVICE, &ha->dpc_flags)) {
5406 iscsi_host_for_each_session(ha->host, qla4xxx_dpc_relogin);
5407 }
5408
5409
5410 if (!test_bit(AF_LOOPBACK, &ha->flags) &&
5411 test_and_clear_bit(DPC_LINK_CHANGED, &ha->dpc_flags)) {
5412 if (!test_bit(AF_LINK_UP, &ha->flags)) {
5413
5414 qla4xxx_mark_all_devices_missing(ha);
5415 } else {
5416
5417
5418
5419
5420
5421
5422 if (test_and_clear_bit(AF_BUILD_DDB_LIST, &ha->flags)) {
5423 qla4xxx_build_ddb_list(ha, ha->is_reset);
5424 iscsi_host_for_each_session(ha->host,
5425 qla4xxx_login_flash_ddb);
5426 } else
5427 qla4xxx_relogin_all_devices(ha);
5428 }
5429 }
5430 if (test_and_clear_bit(DPC_SYSFS_DDB_EXPORT, &ha->dpc_flags)) {
5431 if (qla4xxx_sysfs_ddb_export(ha))
5432 ql4_printk(KERN_ERR, ha, "%s: Error exporting ddb to sysfs\n",
5433 __func__);
5434 }
5435}
5436
5437
5438
5439
5440
5441static void qla4xxx_free_adapter(struct scsi_qla_host *ha)
5442{
5443 qla4xxx_abort_active_cmds(ha, DID_NO_CONNECT << 16);
5444
5445
5446 ha->isp_ops->disable_intrs(ha);
5447
5448 if (is_qla40XX(ha)) {
5449 writel(set_rmask(CSR_SCSI_PROCESSOR_INTR),
5450 &ha->reg->ctrl_status);
5451 readl(&ha->reg->ctrl_status);
5452 } else if (is_qla8022(ha)) {
5453 writel(0, &ha->qla4_82xx_reg->host_int);
5454 readl(&ha->qla4_82xx_reg->host_int);
5455 } else if (is_qla8032(ha) || is_qla8042(ha)) {
5456 writel(0, &ha->qla4_83xx_reg->risc_intr);
5457 readl(&ha->qla4_83xx_reg->risc_intr);
5458 }
5459
5460
5461 if (ha->timer_active)
5462 qla4xxx_stop_timer(ha);
5463
5464
5465 if (ha->dpc_thread)
5466 destroy_workqueue(ha->dpc_thread);
5467
5468
5469 if (ha->task_wq)
5470 destroy_workqueue(ha->task_wq);
5471
5472
5473 ha->isp_ops->reset_firmware(ha);
5474
5475 if (is_qla80XX(ha)) {
5476 ha->isp_ops->idc_lock(ha);
5477 qla4_8xxx_clear_drv_active(ha);
5478 ha->isp_ops->idc_unlock(ha);
5479 }
5480
5481
5482 qla4xxx_free_irqs(ha);
5483
5484
5485 qla4xxx_mem_free(ha);
5486}
5487
5488int qla4_8xxx_iospace_config(struct scsi_qla_host *ha)
5489{
5490 int status = 0;
5491 unsigned long mem_base, mem_len, db_base, db_len;
5492 struct pci_dev *pdev = ha->pdev;
5493
5494 status = pci_request_regions(pdev, DRIVER_NAME);
5495 if (status) {
5496 printk(KERN_WARNING
5497 "scsi(%ld) Failed to reserve PIO regions (%s) "
5498 "status=%d\n", ha->host_no, pci_name(pdev), status);
5499 goto iospace_error_exit;
5500 }
5501
5502 DEBUG2(printk(KERN_INFO "%s: revision-id=%d\n",
5503 __func__, pdev->revision));
5504 ha->revision_id = pdev->revision;
5505
5506
5507 mem_base = pci_resource_start(pdev, 0);
5508 mem_len = pci_resource_len(pdev, 0);
5509 DEBUG2(printk(KERN_INFO "%s: ioremap from %lx a size of %lx\n",
5510 __func__, mem_base, mem_len));
5511
5512
5513 ha->nx_pcibase = (unsigned long)ioremap(mem_base, mem_len);
5514 if (!ha->nx_pcibase) {
5515 printk(KERN_ERR
5516 "cannot remap MMIO (%s), aborting\n", pci_name(pdev));
5517 pci_release_regions(ha->pdev);
5518 goto iospace_error_exit;
5519 }
5520
5521
5522
5523
5524 if (is_qla8022(ha)) {
5525 ha->qla4_82xx_reg = (struct device_reg_82xx __iomem *)
5526 ((uint8_t *)ha->nx_pcibase + 0xbc000 +
5527 (ha->pdev->devfn << 11));
5528 ha->nx_db_wr_ptr = (ha->pdev->devfn == 4 ? QLA82XX_CAM_RAM_DB1 :
5529 QLA82XX_CAM_RAM_DB2);
5530 } else if (is_qla8032(ha) || is_qla8042(ha)) {
5531 ha->qla4_83xx_reg = (struct device_reg_83xx __iomem *)
5532 ((uint8_t *)ha->nx_pcibase);
5533 }
5534
5535 db_base = pci_resource_start(pdev, 4);
5536 db_len = pci_resource_len(pdev, 4);
5537
5538 return 0;
5539iospace_error_exit:
5540 return -ENOMEM;
5541}
5542
5543
5544
5545
5546
5547
5548
5549
5550int qla4xxx_iospace_config(struct scsi_qla_host *ha)
5551{
5552 unsigned long pio, pio_len, pio_flags;
5553 unsigned long mmio, mmio_len, mmio_flags;
5554
5555 pio = pci_resource_start(ha->pdev, 0);
5556 pio_len = pci_resource_len(ha->pdev, 0);
5557 pio_flags = pci_resource_flags(ha->pdev, 0);
5558 if (pio_flags & IORESOURCE_IO) {
5559 if (pio_len < MIN_IOBASE_LEN) {
5560 ql4_printk(KERN_WARNING, ha,
5561 "Invalid PCI I/O region size\n");
5562 pio = 0;
5563 }
5564 } else {
5565 ql4_printk(KERN_WARNING, ha, "region #0 not a PIO resource\n");
5566 pio = 0;
5567 }
5568
5569
5570 mmio = pci_resource_start(ha->pdev, 1);
5571 mmio_len = pci_resource_len(ha->pdev, 1);
5572 mmio_flags = pci_resource_flags(ha->pdev, 1);
5573
5574 if (!(mmio_flags & IORESOURCE_MEM)) {
5575 ql4_printk(KERN_ERR, ha,
5576 "region #0 not an MMIO resource, aborting\n");
5577
5578 goto iospace_error_exit;
5579 }
5580
5581 if (mmio_len < MIN_IOBASE_LEN) {
5582 ql4_printk(KERN_ERR, ha,
5583 "Invalid PCI mem region size, aborting\n");
5584 goto iospace_error_exit;
5585 }
5586
5587 if (pci_request_regions(ha->pdev, DRIVER_NAME)) {
5588 ql4_printk(KERN_WARNING, ha,
5589 "Failed to reserve PIO/MMIO regions\n");
5590
5591 goto iospace_error_exit;
5592 }
5593
5594 ha->pio_address = pio;
5595 ha->pio_length = pio_len;
5596 ha->reg = ioremap(mmio, MIN_IOBASE_LEN);
5597 if (!ha->reg) {
5598 ql4_printk(KERN_ERR, ha,
5599 "cannot remap MMIO, aborting\n");
5600
5601 goto iospace_error_exit;
5602 }
5603
5604 return 0;
5605
5606iospace_error_exit:
5607 return -ENOMEM;
5608}
5609
5610static struct isp_operations qla4xxx_isp_ops = {
5611 .iospace_config = qla4xxx_iospace_config,
5612 .pci_config = qla4xxx_pci_config,
5613 .disable_intrs = qla4xxx_disable_intrs,
5614 .enable_intrs = qla4xxx_enable_intrs,
5615 .start_firmware = qla4xxx_start_firmware,
5616 .intr_handler = qla4xxx_intr_handler,
5617 .interrupt_service_routine = qla4xxx_interrupt_service_routine,
5618 .reset_chip = qla4xxx_soft_reset,
5619 .reset_firmware = qla4xxx_hw_reset,
5620 .queue_iocb = qla4xxx_queue_iocb,
5621 .complete_iocb = qla4xxx_complete_iocb,
5622 .rd_shdw_req_q_out = qla4xxx_rd_shdw_req_q_out,
5623 .rd_shdw_rsp_q_in = qla4xxx_rd_shdw_rsp_q_in,
5624 .get_sys_info = qla4xxx_get_sys_info,
5625 .queue_mailbox_command = qla4xxx_queue_mbox_cmd,
5626 .process_mailbox_interrupt = qla4xxx_process_mbox_intr,
5627};
5628
5629static struct isp_operations qla4_82xx_isp_ops = {
5630 .iospace_config = qla4_8xxx_iospace_config,
5631 .pci_config = qla4_8xxx_pci_config,
5632 .disable_intrs = qla4_82xx_disable_intrs,
5633 .enable_intrs = qla4_82xx_enable_intrs,
5634 .start_firmware = qla4_8xxx_load_risc,
5635 .restart_firmware = qla4_82xx_try_start_fw,
5636 .intr_handler = qla4_82xx_intr_handler,
5637 .interrupt_service_routine = qla4_82xx_interrupt_service_routine,
5638 .need_reset = qla4_8xxx_need_reset,
5639 .reset_chip = qla4_82xx_isp_reset,
5640 .reset_firmware = qla4_8xxx_stop_firmware,
5641 .queue_iocb = qla4_82xx_queue_iocb,
5642 .complete_iocb = qla4_82xx_complete_iocb,
5643 .rd_shdw_req_q_out = qla4_82xx_rd_shdw_req_q_out,
5644 .rd_shdw_rsp_q_in = qla4_82xx_rd_shdw_rsp_q_in,
5645 .get_sys_info = qla4_8xxx_get_sys_info,
5646 .rd_reg_direct = qla4_82xx_rd_32,
5647 .wr_reg_direct = qla4_82xx_wr_32,
5648 .rd_reg_indirect = qla4_82xx_md_rd_32,
5649 .wr_reg_indirect = qla4_82xx_md_wr_32,
5650 .idc_lock = qla4_82xx_idc_lock,
5651 .idc_unlock = qla4_82xx_idc_unlock,
5652 .rom_lock_recovery = qla4_82xx_rom_lock_recovery,
5653 .queue_mailbox_command = qla4_82xx_queue_mbox_cmd,
5654 .process_mailbox_interrupt = qla4_82xx_process_mbox_intr,
5655};
5656
5657static struct isp_operations qla4_83xx_isp_ops = {
5658 .iospace_config = qla4_8xxx_iospace_config,
5659 .pci_config = qla4_8xxx_pci_config,
5660 .disable_intrs = qla4_83xx_disable_intrs,
5661 .enable_intrs = qla4_83xx_enable_intrs,
5662 .start_firmware = qla4_8xxx_load_risc,
5663 .restart_firmware = qla4_83xx_start_firmware,
5664 .intr_handler = qla4_83xx_intr_handler,
5665 .interrupt_service_routine = qla4_83xx_interrupt_service_routine,
5666 .need_reset = qla4_8xxx_need_reset,
5667 .reset_chip = qla4_83xx_isp_reset,
5668 .reset_firmware = qla4_8xxx_stop_firmware,
5669 .queue_iocb = qla4_83xx_queue_iocb,
5670 .complete_iocb = qla4_83xx_complete_iocb,
5671 .rd_shdw_req_q_out = qla4xxx_rd_shdw_req_q_out,
5672 .rd_shdw_rsp_q_in = qla4xxx_rd_shdw_rsp_q_in,
5673 .get_sys_info = qla4_8xxx_get_sys_info,
5674 .rd_reg_direct = qla4_83xx_rd_reg,
5675 .wr_reg_direct = qla4_83xx_wr_reg,
5676 .rd_reg_indirect = qla4_83xx_rd_reg_indirect,
5677 .wr_reg_indirect = qla4_83xx_wr_reg_indirect,
5678 .idc_lock = qla4_83xx_drv_lock,
5679 .idc_unlock = qla4_83xx_drv_unlock,
5680 .rom_lock_recovery = qla4_83xx_rom_lock_recovery,
5681 .queue_mailbox_command = qla4_83xx_queue_mbox_cmd,
5682 .process_mailbox_interrupt = qla4_83xx_process_mbox_intr,
5683};
5684
5685uint16_t qla4xxx_rd_shdw_req_q_out(struct scsi_qla_host *ha)
5686{
5687 return (uint16_t)le32_to_cpu(ha->shadow_regs->req_q_out);
5688}
5689
5690uint16_t qla4_82xx_rd_shdw_req_q_out(struct scsi_qla_host *ha)
5691{
5692 return (uint16_t)le32_to_cpu(readl(&ha->qla4_82xx_reg->req_q_out));
5693}
5694
5695uint16_t qla4xxx_rd_shdw_rsp_q_in(struct scsi_qla_host *ha)
5696{
5697 return (uint16_t)le32_to_cpu(ha->shadow_regs->rsp_q_in);
5698}
5699
5700uint16_t qla4_82xx_rd_shdw_rsp_q_in(struct scsi_qla_host *ha)
5701{
5702 return (uint16_t)le32_to_cpu(readl(&ha->qla4_82xx_reg->rsp_q_in));
5703}
5704
5705static ssize_t qla4xxx_show_boot_eth_info(void *data, int type, char *buf)
5706{
5707 struct scsi_qla_host *ha = data;
5708 char *str = buf;
5709 int rc;
5710
5711 switch (type) {
5712 case ISCSI_BOOT_ETH_FLAGS:
5713 rc = sprintf(str, "%d\n", SYSFS_FLAG_FW_SEL_BOOT);
5714 break;
5715 case ISCSI_BOOT_ETH_INDEX:
5716 rc = sprintf(str, "0\n");
5717 break;
5718 case ISCSI_BOOT_ETH_MAC:
5719 rc = sysfs_format_mac(str, ha->my_mac,
5720 MAC_ADDR_LEN);
5721 break;
5722 default:
5723 rc = -ENOSYS;
5724 break;
5725 }
5726 return rc;
5727}
5728
5729static umode_t qla4xxx_eth_get_attr_visibility(void *data, int type)
5730{
5731 int rc;
5732
5733 switch (type) {
5734 case ISCSI_BOOT_ETH_FLAGS:
5735 case ISCSI_BOOT_ETH_MAC:
5736 case ISCSI_BOOT_ETH_INDEX:
5737 rc = S_IRUGO;
5738 break;
5739 default:
5740 rc = 0;
5741 break;
5742 }
5743 return rc;
5744}
5745
5746static ssize_t qla4xxx_show_boot_ini_info(void *data, int type, char *buf)
5747{
5748 struct scsi_qla_host *ha = data;
5749 char *str = buf;
5750 int rc;
5751
5752 switch (type) {
5753 case ISCSI_BOOT_INI_INITIATOR_NAME:
5754 rc = sprintf(str, "%s\n", ha->name_string);
5755 break;
5756 default:
5757 rc = -ENOSYS;
5758 break;
5759 }
5760 return rc;
5761}
5762
5763static umode_t qla4xxx_ini_get_attr_visibility(void *data, int type)
5764{
5765 int rc;
5766
5767 switch (type) {
5768 case ISCSI_BOOT_INI_INITIATOR_NAME:
5769 rc = S_IRUGO;
5770 break;
5771 default:
5772 rc = 0;
5773 break;
5774 }
5775 return rc;
5776}
5777
5778static ssize_t
5779qla4xxx_show_boot_tgt_info(struct ql4_boot_session_info *boot_sess, int type,
5780 char *buf)
5781{
5782 struct ql4_conn_info *boot_conn = &boot_sess->conn_list[0];
5783 char *str = buf;
5784 int rc;
5785
5786 switch (type) {
5787 case ISCSI_BOOT_TGT_NAME:
5788 rc = sprintf(buf, "%s\n", (char *)&boot_sess->target_name);
5789 break;
5790 case ISCSI_BOOT_TGT_IP_ADDR:
5791 if (boot_sess->conn_list[0].dest_ipaddr.ip_type == 0x1)
5792 rc = sprintf(buf, "%pI4\n",
5793 &boot_conn->dest_ipaddr.ip_address);
5794 else
5795 rc = sprintf(str, "%pI6\n",
5796 &boot_conn->dest_ipaddr.ip_address);
5797 break;
5798 case ISCSI_BOOT_TGT_PORT:
5799 rc = sprintf(str, "%d\n", boot_conn->dest_port);
5800 break;
5801 case ISCSI_BOOT_TGT_CHAP_NAME:
5802 rc = sprintf(str, "%.*s\n",
5803 boot_conn->chap.target_chap_name_length,
5804 (char *)&boot_conn->chap.target_chap_name);
5805 break;
5806 case ISCSI_BOOT_TGT_CHAP_SECRET:
5807 rc = sprintf(str, "%.*s\n",
5808 boot_conn->chap.target_secret_length,
5809 (char *)&boot_conn->chap.target_secret);
5810 break;
5811 case ISCSI_BOOT_TGT_REV_CHAP_NAME:
5812 rc = sprintf(str, "%.*s\n",
5813 boot_conn->chap.intr_chap_name_length,
5814 (char *)&boot_conn->chap.intr_chap_name);
5815 break;
5816 case ISCSI_BOOT_TGT_REV_CHAP_SECRET:
5817 rc = sprintf(str, "%.*s\n",
5818 boot_conn->chap.intr_secret_length,
5819 (char *)&boot_conn->chap.intr_secret);
5820 break;
5821 case ISCSI_BOOT_TGT_FLAGS:
5822 rc = sprintf(str, "%d\n", SYSFS_FLAG_FW_SEL_BOOT);
5823 break;
5824 case ISCSI_BOOT_TGT_NIC_ASSOC:
5825 rc = sprintf(str, "0\n");
5826 break;
5827 default:
5828 rc = -ENOSYS;
5829 break;
5830 }
5831 return rc;
5832}
5833
5834static ssize_t qla4xxx_show_boot_tgt_pri_info(void *data, int type, char *buf)
5835{
5836 struct scsi_qla_host *ha = data;
5837 struct ql4_boot_session_info *boot_sess = &(ha->boot_tgt.boot_pri_sess);
5838
5839 return qla4xxx_show_boot_tgt_info(boot_sess, type, buf);
5840}
5841
5842static ssize_t qla4xxx_show_boot_tgt_sec_info(void *data, int type, char *buf)
5843{
5844 struct scsi_qla_host *ha = data;
5845 struct ql4_boot_session_info *boot_sess = &(ha->boot_tgt.boot_sec_sess);
5846
5847 return qla4xxx_show_boot_tgt_info(boot_sess, type, buf);
5848}
5849
5850static umode_t qla4xxx_tgt_get_attr_visibility(void *data, int type)
5851{
5852 int rc;
5853
5854 switch (type) {
5855 case ISCSI_BOOT_TGT_NAME:
5856 case ISCSI_BOOT_TGT_IP_ADDR:
5857 case ISCSI_BOOT_TGT_PORT:
5858 case ISCSI_BOOT_TGT_CHAP_NAME:
5859 case ISCSI_BOOT_TGT_CHAP_SECRET:
5860 case ISCSI_BOOT_TGT_REV_CHAP_NAME:
5861 case ISCSI_BOOT_TGT_REV_CHAP_SECRET:
5862 case ISCSI_BOOT_TGT_NIC_ASSOC:
5863 case ISCSI_BOOT_TGT_FLAGS:
5864 rc = S_IRUGO;
5865 break;
5866 default:
5867 rc = 0;
5868 break;
5869 }
5870 return rc;
5871}
5872
5873static void qla4xxx_boot_release(void *data)
5874{
5875 struct scsi_qla_host *ha = data;
5876
5877 scsi_host_put(ha->host);
5878}
5879
5880static int get_fw_boot_info(struct scsi_qla_host *ha, uint16_t ddb_index[])
5881{
5882 dma_addr_t buf_dma;
5883 uint32_t addr, pri_addr, sec_addr;
5884 uint32_t offset;
5885 uint16_t func_num;
5886 uint8_t val;
5887 uint8_t *buf = NULL;
5888 size_t size = 13 * sizeof(uint8_t);
5889 int ret = QLA_SUCCESS;
5890
5891 func_num = PCI_FUNC(ha->pdev->devfn);
5892
5893 ql4_printk(KERN_INFO, ha, "%s: Get FW boot info for 0x%x func %d\n",
5894 __func__, ha->pdev->device, func_num);
5895
5896 if (is_qla40XX(ha)) {
5897 if (func_num == 1) {
5898 addr = NVRAM_PORT0_BOOT_MODE;
5899 pri_addr = NVRAM_PORT0_BOOT_PRI_TGT;
5900 sec_addr = NVRAM_PORT0_BOOT_SEC_TGT;
5901 } else if (func_num == 3) {
5902 addr = NVRAM_PORT1_BOOT_MODE;
5903 pri_addr = NVRAM_PORT1_BOOT_PRI_TGT;
5904 sec_addr = NVRAM_PORT1_BOOT_SEC_TGT;
5905 } else {
5906 ret = QLA_ERROR;
5907 goto exit_boot_info;
5908 }
5909
5910
5911 val = rd_nvram_byte(ha, addr);
5912 if (!(val & 0x07)) {
5913 DEBUG2(ql4_printk(KERN_INFO, ha, "%s: Adapter boot "
5914 "options : 0x%x\n", __func__, val));
5915 ret = QLA_ERROR;
5916 goto exit_boot_info;
5917 }
5918
5919
5920 val = rd_nvram_byte(ha, pri_addr);
5921 if (val & BIT_7)
5922 ddb_index[0] = (val & 0x7f);
5923
5924
5925 val = rd_nvram_byte(ha, sec_addr);
5926 if (val & BIT_7)
5927 ddb_index[1] = (val & 0x7f);
5928
5929 } else if (is_qla80XX(ha)) {
5930 buf = dma_alloc_coherent(&ha->pdev->dev, size,
5931 &buf_dma, GFP_KERNEL);
5932 if (!buf) {
5933 DEBUG2(ql4_printk(KERN_ERR, ha,
5934 "%s: Unable to allocate dma buffer\n",
5935 __func__));
5936 ret = QLA_ERROR;
5937 goto exit_boot_info;
5938 }
5939
5940 if (ha->port_num == 0)
5941 offset = BOOT_PARAM_OFFSET_PORT0;
5942 else if (ha->port_num == 1)
5943 offset = BOOT_PARAM_OFFSET_PORT1;
5944 else {
5945 ret = QLA_ERROR;
5946 goto exit_boot_info_free;
5947 }
5948 addr = FLASH_RAW_ACCESS_ADDR + (ha->hw.flt_iscsi_param * 4) +
5949 offset;
5950 if (qla4xxx_get_flash(ha, buf_dma, addr,
5951 13 * sizeof(uint8_t)) != QLA_SUCCESS) {
5952 DEBUG2(ql4_printk(KERN_ERR, ha, "scsi%ld: %s: Get Flash"
5953 " failed\n", ha->host_no, __func__));
5954 ret = QLA_ERROR;
5955 goto exit_boot_info_free;
5956 }
5957
5958 if (!(buf[1] & 0x07)) {
5959 DEBUG2(ql4_printk(KERN_INFO, ha, "Firmware boot options"
5960 " : 0x%x\n", buf[1]));
5961 ret = QLA_ERROR;
5962 goto exit_boot_info_free;
5963 }
5964
5965
5966 if (buf[2] & BIT_7)
5967 ddb_index[0] = buf[2] & 0x7f;
5968
5969
5970 if (buf[11] & BIT_7)
5971 ddb_index[1] = buf[11] & 0x7f;
5972 } else {
5973 ret = QLA_ERROR;
5974 goto exit_boot_info;
5975 }
5976
5977 DEBUG2(ql4_printk(KERN_INFO, ha, "%s: Primary target ID %d, Secondary"
5978 " target ID %d\n", __func__, ddb_index[0],
5979 ddb_index[1]));
5980
5981exit_boot_info_free:
5982 dma_free_coherent(&ha->pdev->dev, size, buf, buf_dma);
5983exit_boot_info:
5984 ha->pri_ddb_idx = ddb_index[0];
5985 ha->sec_ddb_idx = ddb_index[1];
5986 return ret;
5987}
5988
5989
5990
5991
5992
5993
5994
5995
5996
5997
5998
5999
6000static int qla4xxx_get_bidi_chap(struct scsi_qla_host *ha, char *username,
6001 char *password)
6002{
6003 int i, ret = -EINVAL;
6004 int max_chap_entries = 0;
6005 struct ql4_chap_table *chap_table;
6006
6007 if (is_qla80XX(ha))
6008 max_chap_entries = (ha->hw.flt_chap_size / 2) /
6009 sizeof(struct ql4_chap_table);
6010 else
6011 max_chap_entries = MAX_CHAP_ENTRIES_40XX;
6012
6013 if (!ha->chap_list) {
6014 ql4_printk(KERN_ERR, ha, "Do not have CHAP table cache\n");
6015 return ret;
6016 }
6017
6018 mutex_lock(&ha->chap_sem);
6019 for (i = 0; i < max_chap_entries; i++) {
6020 chap_table = (struct ql4_chap_table *)ha->chap_list + i;
6021 if (chap_table->cookie !=
6022 __constant_cpu_to_le16(CHAP_VALID_COOKIE)) {
6023 continue;
6024 }
6025
6026 if (chap_table->flags & BIT_7)
6027 continue;
6028
6029 if (!(chap_table->flags & BIT_6))
6030 continue;
6031
6032 strlcpy(password, chap_table->secret, QL4_CHAP_MAX_SECRET_LEN);
6033 strlcpy(username, chap_table->name, QL4_CHAP_MAX_NAME_LEN);
6034 ret = 0;
6035 break;
6036 }
6037 mutex_unlock(&ha->chap_sem);
6038
6039 return ret;
6040}
6041
6042
6043static int qla4xxx_get_boot_target(struct scsi_qla_host *ha,
6044 struct ql4_boot_session_info *boot_sess,
6045 uint16_t ddb_index)
6046{
6047 struct ql4_conn_info *boot_conn = &boot_sess->conn_list[0];
6048 struct dev_db_entry *fw_ddb_entry;
6049 dma_addr_t fw_ddb_entry_dma;
6050 uint16_t idx;
6051 uint16_t options;
6052 int ret = QLA_SUCCESS;
6053
6054 fw_ddb_entry = dma_alloc_coherent(&ha->pdev->dev, sizeof(*fw_ddb_entry),
6055 &fw_ddb_entry_dma, GFP_KERNEL);
6056 if (!fw_ddb_entry) {
6057 DEBUG2(ql4_printk(KERN_ERR, ha,
6058 "%s: Unable to allocate dma buffer.\n",
6059 __func__));
6060 ret = QLA_ERROR;
6061 return ret;
6062 }
6063
6064 if (qla4xxx_bootdb_by_index(ha, fw_ddb_entry,
6065 fw_ddb_entry_dma, ddb_index)) {
6066 DEBUG2(ql4_printk(KERN_INFO, ha, "%s: No Flash DDB found at "
6067 "index [%d]\n", __func__, ddb_index));
6068 ret = QLA_ERROR;
6069 goto exit_boot_target;
6070 }
6071
6072
6073 memcpy(boot_sess->target_name, fw_ddb_entry->iscsi_name,
6074 min(sizeof(boot_sess->target_name),
6075 sizeof(fw_ddb_entry->iscsi_name)));
6076
6077 options = le16_to_cpu(fw_ddb_entry->options);
6078 if (options & DDB_OPT_IPV6_DEVICE) {
6079 memcpy(&boot_conn->dest_ipaddr.ip_address,
6080 &fw_ddb_entry->ip_addr[0], IPv6_ADDR_LEN);
6081 } else {
6082 boot_conn->dest_ipaddr.ip_type = 0x1;
6083 memcpy(&boot_conn->dest_ipaddr.ip_address,
6084 &fw_ddb_entry->ip_addr[0], IP_ADDR_LEN);
6085 }
6086
6087 boot_conn->dest_port = le16_to_cpu(fw_ddb_entry->port);
6088
6089
6090 idx = __le16_to_cpu(fw_ddb_entry->chap_tbl_idx);
6091
6092 if (BIT_7 & le16_to_cpu(fw_ddb_entry->iscsi_options)) {
6093
6094 DEBUG2(ql4_printk(KERN_INFO, ha, "Setting chap\n"));
6095
6096 ret = qla4xxx_get_chap(ha, (char *)&boot_conn->chap.
6097 target_chap_name,
6098 (char *)&boot_conn->chap.target_secret,
6099 idx);
6100 if (ret) {
6101 ql4_printk(KERN_ERR, ha, "Failed to set chap\n");
6102 ret = QLA_ERROR;
6103 goto exit_boot_target;
6104 }
6105
6106 boot_conn->chap.target_chap_name_length = QL4_CHAP_MAX_NAME_LEN;
6107 boot_conn->chap.target_secret_length = QL4_CHAP_MAX_SECRET_LEN;
6108 }
6109
6110 if (BIT_4 & le16_to_cpu(fw_ddb_entry->iscsi_options)) {
6111
6112 DEBUG2(ql4_printk(KERN_INFO, ha, "Setting BIDI chap\n"));
6113
6114 ret = qla4xxx_get_bidi_chap(ha,
6115 (char *)&boot_conn->chap.intr_chap_name,
6116 (char *)&boot_conn->chap.intr_secret);
6117
6118 if (ret) {
6119 ql4_printk(KERN_ERR, ha, "Failed to set BIDI chap\n");
6120 ret = QLA_ERROR;
6121 goto exit_boot_target;
6122 }
6123
6124 boot_conn->chap.intr_chap_name_length = QL4_CHAP_MAX_NAME_LEN;
6125 boot_conn->chap.intr_secret_length = QL4_CHAP_MAX_SECRET_LEN;
6126 }
6127
6128exit_boot_target:
6129 dma_free_coherent(&ha->pdev->dev, sizeof(*fw_ddb_entry),
6130 fw_ddb_entry, fw_ddb_entry_dma);
6131 return ret;
6132}
6133
6134static int qla4xxx_get_boot_info(struct scsi_qla_host *ha)
6135{
6136 uint16_t ddb_index[2];
6137 int ret = QLA_ERROR;
6138 int rval;
6139
6140 memset(ddb_index, 0, sizeof(ddb_index));
6141 ddb_index[0] = 0xffff;
6142 ddb_index[1] = 0xffff;
6143 ret = get_fw_boot_info(ha, ddb_index);
6144 if (ret != QLA_SUCCESS) {
6145 DEBUG2(ql4_printk(KERN_INFO, ha,
6146 "%s: No boot target configured.\n", __func__));
6147 return ret;
6148 }
6149
6150 if (ql4xdisablesysfsboot)
6151 return QLA_SUCCESS;
6152
6153 if (ddb_index[0] == 0xffff)
6154 goto sec_target;
6155
6156 rval = qla4xxx_get_boot_target(ha, &(ha->boot_tgt.boot_pri_sess),
6157 ddb_index[0]);
6158 if (rval != QLA_SUCCESS) {
6159 DEBUG2(ql4_printk(KERN_INFO, ha, "%s: Primary boot target not "
6160 "configured\n", __func__));
6161 } else
6162 ret = QLA_SUCCESS;
6163
6164sec_target:
6165 if (ddb_index[1] == 0xffff)
6166 goto exit_get_boot_info;
6167
6168 rval = qla4xxx_get_boot_target(ha, &(ha->boot_tgt.boot_sec_sess),
6169 ddb_index[1]);
6170 if (rval != QLA_SUCCESS) {
6171 DEBUG2(ql4_printk(KERN_INFO, ha, "%s: Secondary boot target not"
6172 " configured\n", __func__));
6173 } else
6174 ret = QLA_SUCCESS;
6175
6176exit_get_boot_info:
6177 return ret;
6178}
6179
6180static int qla4xxx_setup_boot_info(struct scsi_qla_host *ha)
6181{
6182 struct iscsi_boot_kobj *boot_kobj;
6183
6184 if (qla4xxx_get_boot_info(ha) != QLA_SUCCESS)
6185 return QLA_ERROR;
6186
6187 if (ql4xdisablesysfsboot) {
6188 ql4_printk(KERN_INFO, ha,
6189 "%s: syfsboot disabled - driver will trigger login "
6190 "and publish session for discovery .\n", __func__);
6191 return QLA_SUCCESS;
6192 }
6193
6194
6195 ha->boot_kset = iscsi_boot_create_host_kset(ha->host->host_no);
6196 if (!ha->boot_kset)
6197 goto kset_free;
6198
6199 if (!scsi_host_get(ha->host))
6200 goto kset_free;
6201 boot_kobj = iscsi_boot_create_target(ha->boot_kset, 0, ha,
6202 qla4xxx_show_boot_tgt_pri_info,
6203 qla4xxx_tgt_get_attr_visibility,
6204 qla4xxx_boot_release);
6205 if (!boot_kobj)
6206 goto put_host;
6207
6208 if (!scsi_host_get(ha->host))
6209 goto kset_free;
6210 boot_kobj = iscsi_boot_create_target(ha->boot_kset, 1, ha,
6211 qla4xxx_show_boot_tgt_sec_info,
6212 qla4xxx_tgt_get_attr_visibility,
6213 qla4xxx_boot_release);
6214 if (!boot_kobj)
6215 goto put_host;
6216
6217 if (!scsi_host_get(ha->host))
6218 goto kset_free;
6219 boot_kobj = iscsi_boot_create_initiator(ha->boot_kset, 0, ha,
6220 qla4xxx_show_boot_ini_info,
6221 qla4xxx_ini_get_attr_visibility,
6222 qla4xxx_boot_release);
6223 if (!boot_kobj)
6224 goto put_host;
6225
6226 if (!scsi_host_get(ha->host))
6227 goto kset_free;
6228 boot_kobj = iscsi_boot_create_ethernet(ha->boot_kset, 0, ha,
6229 qla4xxx_show_boot_eth_info,
6230 qla4xxx_eth_get_attr_visibility,
6231 qla4xxx_boot_release);
6232 if (!boot_kobj)
6233 goto put_host;
6234
6235 return QLA_SUCCESS;
6236
6237put_host:
6238 scsi_host_put(ha->host);
6239kset_free:
6240 iscsi_boot_destroy_kset(ha->boot_kset);
6241 return -ENOMEM;
6242}
6243
6244
6245static void qla4xxx_get_param_ddb(struct ddb_entry *ddb_entry,
6246 struct ql4_tuple_ddb *tddb)
6247{
6248 struct scsi_qla_host *ha;
6249 struct iscsi_cls_session *cls_sess;
6250 struct iscsi_cls_conn *cls_conn;
6251 struct iscsi_session *sess;
6252 struct iscsi_conn *conn;
6253
6254 DEBUG2(printk(KERN_INFO "Func: %s\n", __func__));
6255 ha = ddb_entry->ha;
6256 cls_sess = ddb_entry->sess;
6257 sess = cls_sess->dd_data;
6258 cls_conn = ddb_entry->conn;
6259 conn = cls_conn->dd_data;
6260
6261 tddb->tpgt = sess->tpgt;
6262 tddb->port = conn->persistent_port;
6263 strlcpy(tddb->iscsi_name, sess->targetname, ISCSI_NAME_SIZE);
6264 strlcpy(tddb->ip_addr, conn->persistent_address, DDB_IPADDR_LEN);
6265}
6266
6267static void qla4xxx_convert_param_ddb(struct dev_db_entry *fw_ddb_entry,
6268 struct ql4_tuple_ddb *tddb,
6269 uint8_t *flash_isid)
6270{
6271 uint16_t options = 0;
6272
6273 tddb->tpgt = le32_to_cpu(fw_ddb_entry->tgt_portal_grp);
6274 memcpy(&tddb->iscsi_name[0], &fw_ddb_entry->iscsi_name[0],
6275 min(sizeof(tddb->iscsi_name), sizeof(fw_ddb_entry->iscsi_name)));
6276
6277 options = le16_to_cpu(fw_ddb_entry->options);
6278 if (options & DDB_OPT_IPV6_DEVICE)
6279 sprintf(tddb->ip_addr, "%pI6", fw_ddb_entry->ip_addr);
6280 else
6281 sprintf(tddb->ip_addr, "%pI4", fw_ddb_entry->ip_addr);
6282
6283 tddb->port = le16_to_cpu(fw_ddb_entry->port);
6284
6285 if (flash_isid == NULL)
6286 memcpy(&tddb->isid[0], &fw_ddb_entry->isid[0],
6287 sizeof(tddb->isid));
6288 else
6289 memcpy(&tddb->isid[0], &flash_isid[0], sizeof(tddb->isid));
6290}
6291
6292static int qla4xxx_compare_tuple_ddb(struct scsi_qla_host *ha,
6293 struct ql4_tuple_ddb *old_tddb,
6294 struct ql4_tuple_ddb *new_tddb,
6295 uint8_t is_isid_compare)
6296{
6297 if (strcmp(old_tddb->iscsi_name, new_tddb->iscsi_name))
6298 return QLA_ERROR;
6299
6300 if (strcmp(old_tddb->ip_addr, new_tddb->ip_addr))
6301 return QLA_ERROR;
6302
6303 if (old_tddb->port != new_tddb->port)
6304 return QLA_ERROR;
6305
6306
6307
6308
6309
6310
6311
6312 if (is_isid_compare) {
6313 DEBUG2(ql4_printk(KERN_INFO, ha, "%s: old ISID [%02x%02x%02x"
6314 "%02x%02x%02x] New ISID [%02x%02x%02x%02x%02x%02x]\n",
6315 __func__, old_tddb->isid[5], old_tddb->isid[4],
6316 old_tddb->isid[3], old_tddb->isid[2], old_tddb->isid[1],
6317 old_tddb->isid[0], new_tddb->isid[5], new_tddb->isid[4],
6318 new_tddb->isid[3], new_tddb->isid[2], new_tddb->isid[1],
6319 new_tddb->isid[0]));
6320
6321 if (memcmp(&old_tddb->isid[0], &new_tddb->isid[0],
6322 sizeof(old_tddb->isid)))
6323 return QLA_ERROR;
6324 }
6325
6326 DEBUG2(ql4_printk(KERN_INFO, ha,
6327 "Match Found, fw[%d,%d,%s,%s], [%d,%d,%s,%s]",
6328 old_tddb->port, old_tddb->tpgt, old_tddb->ip_addr,
6329 old_tddb->iscsi_name, new_tddb->port, new_tddb->tpgt,
6330 new_tddb->ip_addr, new_tddb->iscsi_name));
6331
6332 return QLA_SUCCESS;
6333}
6334
6335static int qla4xxx_is_session_exists(struct scsi_qla_host *ha,
6336 struct dev_db_entry *fw_ddb_entry,
6337 uint32_t *index)
6338{
6339 struct ddb_entry *ddb_entry;
6340 struct ql4_tuple_ddb *fw_tddb = NULL;
6341 struct ql4_tuple_ddb *tmp_tddb = NULL;
6342 int idx;
6343 int ret = QLA_ERROR;
6344
6345 fw_tddb = vzalloc(sizeof(*fw_tddb));
6346 if (!fw_tddb) {
6347 DEBUG2(ql4_printk(KERN_WARNING, ha,
6348 "Memory Allocation failed.\n"));
6349 ret = QLA_SUCCESS;
6350 goto exit_check;
6351 }
6352
6353 tmp_tddb = vzalloc(sizeof(*tmp_tddb));
6354 if (!tmp_tddb) {
6355 DEBUG2(ql4_printk(KERN_WARNING, ha,
6356 "Memory Allocation failed.\n"));
6357 ret = QLA_SUCCESS;
6358 goto exit_check;
6359 }
6360
6361 qla4xxx_convert_param_ddb(fw_ddb_entry, fw_tddb, NULL);
6362
6363 for (idx = 0; idx < MAX_DDB_ENTRIES; idx++) {
6364 ddb_entry = qla4xxx_lookup_ddb_by_fw_index(ha, idx);
6365 if (ddb_entry == NULL)
6366 continue;
6367
6368 qla4xxx_get_param_ddb(ddb_entry, tmp_tddb);
6369 if (!qla4xxx_compare_tuple_ddb(ha, fw_tddb, tmp_tddb, false)) {
6370 ret = QLA_SUCCESS;
6371 if (index != NULL)
6372 *index = idx;
6373 goto exit_check;
6374 }
6375 }
6376
6377exit_check:
6378 if (fw_tddb)
6379 vfree(fw_tddb);
6380 if (tmp_tddb)
6381 vfree(tmp_tddb);
6382 return ret;
6383}
6384
6385
6386
6387
6388
6389
6390
6391
6392
6393static int qla4xxx_check_existing_isid(struct list_head *list_nt, uint8_t *isid)
6394{
6395 struct qla_ddb_index *nt_ddb_idx, *nt_ddb_idx_tmp;
6396 struct dev_db_entry *fw_ddb_entry;
6397
6398 list_for_each_entry_safe(nt_ddb_idx, nt_ddb_idx_tmp, list_nt, list) {
6399 fw_ddb_entry = &nt_ddb_idx->fw_ddb;
6400
6401 if (memcmp(&fw_ddb_entry->isid[0], &isid[0],
6402 sizeof(nt_ddb_idx->fw_ddb.isid)) == 0) {
6403 return QLA_SUCCESS;
6404 }
6405 }
6406 return QLA_ERROR;
6407}
6408
6409
6410
6411
6412
6413
6414
6415
6416
6417
6418
6419static int qla4xxx_update_isid(struct scsi_qla_host *ha,
6420 struct list_head *list_nt,
6421 struct dev_db_entry *fw_ddb_entry)
6422{
6423 uint8_t base_value, i;
6424
6425 base_value = fw_ddb_entry->isid[1] & 0x1f;
6426 for (i = 0; i < 8; i++) {
6427 fw_ddb_entry->isid[1] = (base_value | (i << 5));
6428 if (qla4xxx_check_existing_isid(list_nt, fw_ddb_entry->isid))
6429 break;
6430 }
6431
6432 if (!qla4xxx_check_existing_isid(list_nt, fw_ddb_entry->isid))
6433 return QLA_ERROR;
6434
6435 return QLA_SUCCESS;
6436}
6437
6438
6439
6440
6441
6442
6443
6444
6445
6446
6447static int qla4xxx_should_update_isid(struct scsi_qla_host *ha,
6448 struct ql4_tuple_ddb *old_tddb,
6449 struct ql4_tuple_ddb *new_tddb)
6450{
6451 if (strcmp(old_tddb->ip_addr, new_tddb->ip_addr) == 0) {
6452
6453 if (old_tddb->port == new_tddb->port)
6454 return QLA_ERROR;
6455 }
6456
6457 if (strcmp(old_tddb->iscsi_name, new_tddb->iscsi_name))
6458
6459 return QLA_ERROR;
6460
6461 if (memcmp(&old_tddb->isid[0], &new_tddb->isid[0],
6462 sizeof(old_tddb->isid)))
6463
6464 return QLA_ERROR;
6465
6466 return QLA_SUCCESS;
6467}
6468
6469
6470
6471
6472
6473
6474
6475
6476
6477
6478
6479
6480
6481static int qla4xxx_is_flash_ddb_exists(struct scsi_qla_host *ha,
6482 struct list_head *list_nt,
6483 struct dev_db_entry *fw_ddb_entry)
6484{
6485 struct qla_ddb_index *nt_ddb_idx, *nt_ddb_idx_tmp;
6486 struct ql4_tuple_ddb *fw_tddb = NULL;
6487 struct ql4_tuple_ddb *tmp_tddb = NULL;
6488 int rval, ret = QLA_ERROR;
6489
6490 fw_tddb = vzalloc(sizeof(*fw_tddb));
6491 if (!fw_tddb) {
6492 DEBUG2(ql4_printk(KERN_WARNING, ha,
6493 "Memory Allocation failed.\n"));
6494 ret = QLA_SUCCESS;
6495 goto exit_check;
6496 }
6497
6498 tmp_tddb = vzalloc(sizeof(*tmp_tddb));
6499 if (!tmp_tddb) {
6500 DEBUG2(ql4_printk(KERN_WARNING, ha,
6501 "Memory Allocation failed.\n"));
6502 ret = QLA_SUCCESS;
6503 goto exit_check;
6504 }
6505
6506 qla4xxx_convert_param_ddb(fw_ddb_entry, fw_tddb, NULL);
6507
6508 list_for_each_entry_safe(nt_ddb_idx, nt_ddb_idx_tmp, list_nt, list) {
6509 qla4xxx_convert_param_ddb(&nt_ddb_idx->fw_ddb, tmp_tddb,
6510 nt_ddb_idx->flash_isid);
6511 ret = qla4xxx_compare_tuple_ddb(ha, fw_tddb, tmp_tddb, true);
6512
6513 if (ret == QLA_SUCCESS)
6514 goto exit_check;
6515 }
6516
6517 list_for_each_entry_safe(nt_ddb_idx, nt_ddb_idx_tmp, list_nt, list) {
6518 qla4xxx_convert_param_ddb(&nt_ddb_idx->fw_ddb, tmp_tddb, NULL);
6519
6520 ret = qla4xxx_should_update_isid(ha, tmp_tddb, fw_tddb);
6521 if (ret == QLA_SUCCESS) {
6522 rval = qla4xxx_update_isid(ha, list_nt, fw_ddb_entry);
6523 if (rval == QLA_SUCCESS)
6524 ret = QLA_ERROR;
6525 else
6526 ret = QLA_SUCCESS;
6527
6528 goto exit_check;
6529 }
6530 }
6531
6532exit_check:
6533 if (fw_tddb)
6534 vfree(fw_tddb);
6535 if (tmp_tddb)
6536 vfree(tmp_tddb);
6537 return ret;
6538}
6539
6540static void qla4xxx_free_ddb_list(struct list_head *list_ddb)
6541{
6542 struct qla_ddb_index *ddb_idx, *ddb_idx_tmp;
6543
6544 list_for_each_entry_safe(ddb_idx, ddb_idx_tmp, list_ddb, list) {
6545 list_del_init(&ddb_idx->list);
6546 vfree(ddb_idx);
6547 }
6548}
6549
6550static struct iscsi_endpoint *qla4xxx_get_ep_fwdb(struct scsi_qla_host *ha,
6551 struct dev_db_entry *fw_ddb_entry)
6552{
6553 struct iscsi_endpoint *ep;
6554 struct sockaddr_in *addr;
6555 struct sockaddr_in6 *addr6;
6556 struct sockaddr *t_addr;
6557 struct sockaddr_storage *dst_addr;
6558 char *ip;
6559
6560
6561 dst_addr = vmalloc(sizeof(*dst_addr));
6562 if (!dst_addr)
6563 return NULL;
6564
6565 if (fw_ddb_entry->options & DDB_OPT_IPV6_DEVICE) {
6566 t_addr = (struct sockaddr *)dst_addr;
6567 t_addr->sa_family = AF_INET6;
6568 addr6 = (struct sockaddr_in6 *)dst_addr;
6569 ip = (char *)&addr6->sin6_addr;
6570 memcpy(ip, fw_ddb_entry->ip_addr, IPv6_ADDR_LEN);
6571 addr6->sin6_port = htons(le16_to_cpu(fw_ddb_entry->port));
6572
6573 } else {
6574 t_addr = (struct sockaddr *)dst_addr;
6575 t_addr->sa_family = AF_INET;
6576 addr = (struct sockaddr_in *)dst_addr;
6577 ip = (char *)&addr->sin_addr;
6578 memcpy(ip, fw_ddb_entry->ip_addr, IP_ADDR_LEN);
6579 addr->sin_port = htons(le16_to_cpu(fw_ddb_entry->port));
6580 }
6581
6582 ep = qla4xxx_ep_connect(ha->host, (struct sockaddr *)dst_addr, 0);
6583 vfree(dst_addr);
6584 return ep;
6585}
6586
6587static int qla4xxx_verify_boot_idx(struct scsi_qla_host *ha, uint16_t idx)
6588{
6589 if (ql4xdisablesysfsboot)
6590 return QLA_SUCCESS;
6591 if (idx == ha->pri_ddb_idx || idx == ha->sec_ddb_idx)
6592 return QLA_ERROR;
6593 return QLA_SUCCESS;
6594}
6595
6596static void qla4xxx_setup_flash_ddb_entry(struct scsi_qla_host *ha,
6597 struct ddb_entry *ddb_entry,
6598 uint16_t idx)
6599{
6600 uint16_t def_timeout;
6601
6602 ddb_entry->ddb_type = FLASH_DDB;
6603 ddb_entry->fw_ddb_index = INVALID_ENTRY;
6604 ddb_entry->fw_ddb_device_state = DDB_DS_NO_CONNECTION_ACTIVE;
6605 ddb_entry->ha = ha;
6606 ddb_entry->unblock_sess = qla4xxx_unblock_flash_ddb;
6607 ddb_entry->ddb_change = qla4xxx_flash_ddb_change;
6608 ddb_entry->chap_tbl_idx = INVALID_ENTRY;
6609
6610 atomic_set(&ddb_entry->retry_relogin_timer, INVALID_ENTRY);
6611 atomic_set(&ddb_entry->relogin_timer, 0);
6612 atomic_set(&ddb_entry->relogin_retry_count, 0);
6613 def_timeout = le16_to_cpu(ddb_entry->fw_ddb_entry.def_timeout);
6614 ddb_entry->default_relogin_timeout =
6615 (def_timeout > LOGIN_TOV) && (def_timeout < LOGIN_TOV * 10) ?
6616 def_timeout : LOGIN_TOV;
6617 ddb_entry->default_time2wait =
6618 le16_to_cpu(ddb_entry->fw_ddb_entry.iscsi_def_time2wait);
6619
6620 if (ql4xdisablesysfsboot &&
6621 (idx == ha->pri_ddb_idx || idx == ha->sec_ddb_idx))
6622 set_bit(DF_BOOT_TGT, &ddb_entry->flags);
6623}
6624
6625static void qla4xxx_wait_for_ip_configuration(struct scsi_qla_host *ha)
6626{
6627 uint32_t idx = 0;
6628 uint32_t ip_idx[IP_ADDR_COUNT] = {0, 1, 2, 3};
6629 uint32_t sts[MBOX_REG_COUNT];
6630 uint32_t ip_state;
6631 unsigned long wtime;
6632 int ret;
6633
6634 wtime = jiffies + (HZ * IP_CONFIG_TOV);
6635 do {
6636 for (idx = 0; idx < IP_ADDR_COUNT; idx++) {
6637 if (ip_idx[idx] == -1)
6638 continue;
6639
6640 ret = qla4xxx_get_ip_state(ha, 0, ip_idx[idx], sts);
6641
6642 if (ret == QLA_ERROR) {
6643 ip_idx[idx] = -1;
6644 continue;
6645 }
6646
6647 ip_state = (sts[1] & IP_STATE_MASK) >> IP_STATE_SHIFT;
6648
6649 DEBUG2(ql4_printk(KERN_INFO, ha,
6650 "Waiting for IP state for idx = %d, state = 0x%x\n",
6651 ip_idx[idx], ip_state));
6652 if (ip_state == IP_ADDRSTATE_UNCONFIGURED ||
6653 ip_state == IP_ADDRSTATE_INVALID ||
6654 ip_state == IP_ADDRSTATE_PREFERRED ||
6655 ip_state == IP_ADDRSTATE_DEPRICATED ||
6656 ip_state == IP_ADDRSTATE_DISABLING)
6657 ip_idx[idx] = -1;
6658 }
6659
6660
6661 if ((ip_idx[0] == -1) &&
6662 (ip_idx[1] == -1) &&
6663 (ip_idx[2] == -1) &&
6664 (ip_idx[3] == -1))
6665 break;
6666 schedule_timeout_uninterruptible(HZ);
6667 } while (time_after(wtime, jiffies));
6668}
6669
6670static int qla4xxx_cmp_fw_stentry(struct dev_db_entry *fw_ddb_entry,
6671 struct dev_db_entry *flash_ddb_entry)
6672{
6673 uint16_t options = 0;
6674 size_t ip_len = IP_ADDR_LEN;
6675
6676 options = le16_to_cpu(fw_ddb_entry->options);
6677 if (options & DDB_OPT_IPV6_DEVICE)
6678 ip_len = IPv6_ADDR_LEN;
6679
6680 if (memcmp(fw_ddb_entry->ip_addr, flash_ddb_entry->ip_addr, ip_len))
6681 return QLA_ERROR;
6682
6683 if (memcmp(&fw_ddb_entry->isid[0], &flash_ddb_entry->isid[0],
6684 sizeof(fw_ddb_entry->isid)))
6685 return QLA_ERROR;
6686
6687 if (memcmp(&fw_ddb_entry->port, &flash_ddb_entry->port,
6688 sizeof(fw_ddb_entry->port)))
6689 return QLA_ERROR;
6690
6691 return QLA_SUCCESS;
6692}
6693
6694static int qla4xxx_find_flash_st_idx(struct scsi_qla_host *ha,
6695 struct dev_db_entry *fw_ddb_entry,
6696 uint32_t fw_idx, uint32_t *flash_index)
6697{
6698 struct dev_db_entry *flash_ddb_entry;
6699 dma_addr_t flash_ddb_entry_dma;
6700 uint32_t idx = 0;
6701 int max_ddbs;
6702 int ret = QLA_ERROR, status;
6703
6704 max_ddbs = is_qla40XX(ha) ? MAX_DEV_DB_ENTRIES_40XX :
6705 MAX_DEV_DB_ENTRIES;
6706
6707 flash_ddb_entry = dma_pool_alloc(ha->fw_ddb_dma_pool, GFP_KERNEL,
6708 &flash_ddb_entry_dma);
6709 if (flash_ddb_entry == NULL || fw_ddb_entry == NULL) {
6710 ql4_printk(KERN_ERR, ha, "Out of memory\n");
6711 goto exit_find_st_idx;
6712 }
6713
6714 status = qla4xxx_flashdb_by_index(ha, flash_ddb_entry,
6715 flash_ddb_entry_dma, fw_idx);
6716 if (status == QLA_SUCCESS) {
6717 status = qla4xxx_cmp_fw_stentry(fw_ddb_entry, flash_ddb_entry);
6718 if (status == QLA_SUCCESS) {
6719 *flash_index = fw_idx;
6720 ret = QLA_SUCCESS;
6721 goto exit_find_st_idx;
6722 }
6723 }
6724
6725 for (idx = 0; idx < max_ddbs; idx++) {
6726 status = qla4xxx_flashdb_by_index(ha, flash_ddb_entry,
6727 flash_ddb_entry_dma, idx);
6728 if (status == QLA_ERROR)
6729 continue;
6730
6731 status = qla4xxx_cmp_fw_stentry(fw_ddb_entry, flash_ddb_entry);
6732 if (status == QLA_SUCCESS) {
6733 *flash_index = idx;
6734 ret = QLA_SUCCESS;
6735 goto exit_find_st_idx;
6736 }
6737 }
6738
6739 if (idx == max_ddbs)
6740 ql4_printk(KERN_ERR, ha, "Failed to find ST [%d] in flash\n",
6741 fw_idx);
6742
6743exit_find_st_idx:
6744 if (flash_ddb_entry)
6745 dma_pool_free(ha->fw_ddb_dma_pool, flash_ddb_entry,
6746 flash_ddb_entry_dma);
6747
6748 return ret;
6749}
6750
6751static void qla4xxx_build_st_list(struct scsi_qla_host *ha,
6752 struct list_head *list_st)
6753{
6754 struct qla_ddb_index *st_ddb_idx;
6755 int max_ddbs;
6756 int fw_idx_size;
6757 struct dev_db_entry *fw_ddb_entry;
6758 dma_addr_t fw_ddb_dma;
6759 int ret;
6760 uint32_t idx = 0, next_idx = 0;
6761 uint32_t state = 0, conn_err = 0;
6762 uint32_t flash_index = -1;
6763 uint16_t conn_id = 0;
6764
6765 fw_ddb_entry = dma_pool_alloc(ha->fw_ddb_dma_pool, GFP_KERNEL,
6766 &fw_ddb_dma);
6767 if (fw_ddb_entry == NULL) {
6768 DEBUG2(ql4_printk(KERN_ERR, ha, "Out of memory\n"));
6769 goto exit_st_list;
6770 }
6771
6772 max_ddbs = is_qla40XX(ha) ? MAX_DEV_DB_ENTRIES_40XX :
6773 MAX_DEV_DB_ENTRIES;
6774 fw_idx_size = sizeof(struct qla_ddb_index);
6775
6776 for (idx = 0; idx < max_ddbs; idx = next_idx) {
6777 ret = qla4xxx_get_fwddb_entry(ha, idx, fw_ddb_entry, fw_ddb_dma,
6778 NULL, &next_idx, &state,
6779 &conn_err, NULL, &conn_id);
6780 if (ret == QLA_ERROR)
6781 break;
6782
6783
6784 if (state == DDB_DS_UNASSIGNED)
6785 goto continue_next_st;
6786
6787
6788 if (strlen((char *) fw_ddb_entry->iscsi_name) != 0)
6789 goto continue_next_st;
6790
6791 st_ddb_idx = vzalloc(fw_idx_size);
6792 if (!st_ddb_idx)
6793 break;
6794
6795 ret = qla4xxx_find_flash_st_idx(ha, fw_ddb_entry, idx,
6796 &flash_index);
6797 if (ret == QLA_ERROR) {
6798 ql4_printk(KERN_ERR, ha,
6799 "No flash entry for ST at idx [%d]\n", idx);
6800 st_ddb_idx->flash_ddb_idx = idx;
6801 } else {
6802 ql4_printk(KERN_INFO, ha,
6803 "ST at idx [%d] is stored at flash [%d]\n",
6804 idx, flash_index);
6805 st_ddb_idx->flash_ddb_idx = flash_index;
6806 }
6807
6808 st_ddb_idx->fw_ddb_idx = idx;
6809
6810 list_add_tail(&st_ddb_idx->list, list_st);
6811continue_next_st:
6812 if (next_idx == 0)
6813 break;
6814 }
6815
6816exit_st_list:
6817 if (fw_ddb_entry)
6818 dma_pool_free(ha->fw_ddb_dma_pool, fw_ddb_entry, fw_ddb_dma);
6819}
6820
6821
6822
6823
6824
6825
6826
6827
6828
6829static void qla4xxx_remove_failed_ddb(struct scsi_qla_host *ha,
6830 struct list_head *list_ddb)
6831{
6832 struct qla_ddb_index *ddb_idx, *ddb_idx_tmp;
6833 uint32_t next_idx = 0;
6834 uint32_t state = 0, conn_err = 0;
6835 int ret;
6836
6837 list_for_each_entry_safe(ddb_idx, ddb_idx_tmp, list_ddb, list) {
6838 ret = qla4xxx_get_fwddb_entry(ha, ddb_idx->fw_ddb_idx,
6839 NULL, 0, NULL, &next_idx, &state,
6840 &conn_err, NULL, NULL);
6841 if (ret == QLA_ERROR)
6842 continue;
6843
6844 if (state == DDB_DS_NO_CONNECTION_ACTIVE ||
6845 state == DDB_DS_SESSION_FAILED) {
6846 list_del_init(&ddb_idx->list);
6847 vfree(ddb_idx);
6848 }
6849 }
6850}
6851
6852static void qla4xxx_update_sess_disc_idx(struct scsi_qla_host *ha,
6853 struct ddb_entry *ddb_entry,
6854 struct dev_db_entry *fw_ddb_entry)
6855{
6856 struct iscsi_cls_session *cls_sess;
6857 struct iscsi_session *sess;
6858 uint32_t max_ddbs = 0;
6859 uint16_t ddb_link = -1;
6860
6861 max_ddbs = is_qla40XX(ha) ? MAX_DEV_DB_ENTRIES_40XX :
6862 MAX_DEV_DB_ENTRIES;
6863
6864 cls_sess = ddb_entry->sess;
6865 sess = cls_sess->dd_data;
6866
6867 ddb_link = le16_to_cpu(fw_ddb_entry->ddb_link);
6868 if (ddb_link < max_ddbs)
6869 sess->discovery_parent_idx = ddb_link;
6870 else
6871 sess->discovery_parent_idx = DDB_NO_LINK;
6872}
6873
6874static int qla4xxx_sess_conn_setup(struct scsi_qla_host *ha,
6875 struct dev_db_entry *fw_ddb_entry,
6876 int is_reset, uint16_t idx)
6877{
6878 struct iscsi_cls_session *cls_sess;
6879 struct iscsi_session *sess;
6880 struct iscsi_cls_conn *cls_conn;
6881 struct iscsi_endpoint *ep;
6882 uint16_t cmds_max = 32;
6883 uint16_t conn_id = 0;
6884 uint32_t initial_cmdsn = 0;
6885 int ret = QLA_SUCCESS;
6886
6887 struct ddb_entry *ddb_entry = NULL;
6888
6889
6890
6891
6892 cls_sess = iscsi_session_setup(&qla4xxx_iscsi_transport, ha->host,
6893 cmds_max, sizeof(struct ddb_entry),
6894 sizeof(struct ql4_task_data),
6895 initial_cmdsn, INVALID_ENTRY);
6896 if (!cls_sess) {
6897 ret = QLA_ERROR;
6898 goto exit_setup;
6899 }
6900
6901
6902
6903
6904
6905 module_put(qla4xxx_iscsi_transport.owner);
6906 sess = cls_sess->dd_data;
6907 ddb_entry = sess->dd_data;
6908 ddb_entry->sess = cls_sess;
6909
6910 cls_sess->recovery_tmo = ql4xsess_recovery_tmo;
6911 memcpy(&ddb_entry->fw_ddb_entry, fw_ddb_entry,
6912 sizeof(struct dev_db_entry));
6913
6914 qla4xxx_setup_flash_ddb_entry(ha, ddb_entry, idx);
6915
6916 cls_conn = iscsi_conn_setup(cls_sess, sizeof(struct qla_conn), conn_id);
6917
6918 if (!cls_conn) {
6919 ret = QLA_ERROR;
6920 goto exit_setup;
6921 }
6922
6923 ddb_entry->conn = cls_conn;
6924
6925
6926 ep = qla4xxx_get_ep_fwdb(ha, fw_ddb_entry);
6927 if (ep) {
6928 ep->conn = cls_conn;
6929 cls_conn->ep = ep;
6930 } else {
6931 DEBUG2(ql4_printk(KERN_ERR, ha, "Unable to get ep\n"));
6932 ret = QLA_ERROR;
6933 goto exit_setup;
6934 }
6935
6936
6937 qla4xxx_copy_fwddb_param(ha, fw_ddb_entry, cls_sess, cls_conn);
6938 qla4xxx_update_sess_disc_idx(ha, ddb_entry, fw_ddb_entry);
6939
6940 if (is_reset == RESET_ADAPTER) {
6941 iscsi_block_session(cls_sess);
6942
6943
6944
6945
6946
6947 set_bit(DPC_RELOGIN_DEVICE, &ha->dpc_flags);
6948 set_bit(DF_RELOGIN, &ddb_entry->flags);
6949 }
6950
6951exit_setup:
6952 return ret;
6953}
6954
6955static void qla4xxx_update_fw_ddb_link(struct scsi_qla_host *ha,
6956 struct list_head *list_ddb,
6957 struct dev_db_entry *fw_ddb_entry)
6958{
6959 struct qla_ddb_index *ddb_idx, *ddb_idx_tmp;
6960 uint16_t ddb_link;
6961
6962 ddb_link = le16_to_cpu(fw_ddb_entry->ddb_link);
6963
6964 list_for_each_entry_safe(ddb_idx, ddb_idx_tmp, list_ddb, list) {
6965 if (ddb_idx->fw_ddb_idx == ddb_link) {
6966 DEBUG2(ql4_printk(KERN_INFO, ha,
6967 "Updating NT parent idx from [%d] to [%d]\n",
6968 ddb_link, ddb_idx->flash_ddb_idx));
6969 fw_ddb_entry->ddb_link =
6970 cpu_to_le16(ddb_idx->flash_ddb_idx);
6971 return;
6972 }
6973 }
6974}
6975
6976static void qla4xxx_build_nt_list(struct scsi_qla_host *ha,
6977 struct list_head *list_nt,
6978 struct list_head *list_st,
6979 int is_reset)
6980{
6981 struct dev_db_entry *fw_ddb_entry;
6982 struct ddb_entry *ddb_entry = NULL;
6983 dma_addr_t fw_ddb_dma;
6984 int max_ddbs;
6985 int fw_idx_size;
6986 int ret;
6987 uint32_t idx = 0, next_idx = 0;
6988 uint32_t state = 0, conn_err = 0;
6989 uint32_t ddb_idx = -1;
6990 uint16_t conn_id = 0;
6991 uint16_t ddb_link = -1;
6992 struct qla_ddb_index *nt_ddb_idx;
6993
6994 fw_ddb_entry = dma_pool_alloc(ha->fw_ddb_dma_pool, GFP_KERNEL,
6995 &fw_ddb_dma);
6996 if (fw_ddb_entry == NULL) {
6997 DEBUG2(ql4_printk(KERN_ERR, ha, "Out of memory\n"));
6998 goto exit_nt_list;
6999 }
7000 max_ddbs = is_qla40XX(ha) ? MAX_DEV_DB_ENTRIES_40XX :
7001 MAX_DEV_DB_ENTRIES;
7002 fw_idx_size = sizeof(struct qla_ddb_index);
7003
7004 for (idx = 0; idx < max_ddbs; idx = next_idx) {
7005 ret = qla4xxx_get_fwddb_entry(ha, idx, fw_ddb_entry, fw_ddb_dma,
7006 NULL, &next_idx, &state,
7007 &conn_err, NULL, &conn_id);
7008 if (ret == QLA_ERROR)
7009 break;
7010
7011 if (qla4xxx_verify_boot_idx(ha, idx) != QLA_SUCCESS)
7012 goto continue_next_nt;
7013
7014
7015 if (strlen((char *) fw_ddb_entry->iscsi_name) == 0)
7016 goto continue_next_nt;
7017
7018 ddb_link = le16_to_cpu(fw_ddb_entry->ddb_link);
7019 if (ddb_link < max_ddbs)
7020 qla4xxx_update_fw_ddb_link(ha, list_st, fw_ddb_entry);
7021
7022 if (!(state == DDB_DS_NO_CONNECTION_ACTIVE ||
7023 state == DDB_DS_SESSION_FAILED) &&
7024 (is_reset == INIT_ADAPTER))
7025 goto continue_next_nt;
7026
7027 DEBUG2(ql4_printk(KERN_INFO, ha,
7028 "Adding DDB to session = 0x%x\n", idx));
7029
7030 if (is_reset == INIT_ADAPTER) {
7031 nt_ddb_idx = vmalloc(fw_idx_size);
7032 if (!nt_ddb_idx)
7033 break;
7034
7035 nt_ddb_idx->fw_ddb_idx = idx;
7036
7037
7038
7039
7040
7041 memcpy(&nt_ddb_idx->flash_isid[0],
7042 &fw_ddb_entry->isid[0],
7043 sizeof(nt_ddb_idx->flash_isid));
7044
7045 ret = qla4xxx_is_flash_ddb_exists(ha, list_nt,
7046 fw_ddb_entry);
7047 if (ret == QLA_SUCCESS) {
7048
7049 vfree(nt_ddb_idx);
7050 goto continue_next_nt;
7051 }
7052
7053
7054 memcpy(&nt_ddb_idx->fw_ddb, fw_ddb_entry,
7055 sizeof(struct dev_db_entry));
7056
7057 list_add_tail(&nt_ddb_idx->list, list_nt);
7058 } else if (is_reset == RESET_ADAPTER) {
7059 ret = qla4xxx_is_session_exists(ha, fw_ddb_entry,
7060 &ddb_idx);
7061 if (ret == QLA_SUCCESS) {
7062 ddb_entry = qla4xxx_lookup_ddb_by_fw_index(ha,
7063 ddb_idx);
7064 if (ddb_entry != NULL)
7065 qla4xxx_update_sess_disc_idx(ha,
7066 ddb_entry,
7067 fw_ddb_entry);
7068 goto continue_next_nt;
7069 }
7070 }
7071
7072 ret = qla4xxx_sess_conn_setup(ha, fw_ddb_entry, is_reset, idx);
7073 if (ret == QLA_ERROR)
7074 goto exit_nt_list;
7075
7076continue_next_nt:
7077 if (next_idx == 0)
7078 break;
7079 }
7080
7081exit_nt_list:
7082 if (fw_ddb_entry)
7083 dma_pool_free(ha->fw_ddb_dma_pool, fw_ddb_entry, fw_ddb_dma);
7084}
7085
7086static void qla4xxx_build_new_nt_list(struct scsi_qla_host *ha,
7087 struct list_head *list_nt,
7088 uint16_t target_id)
7089{
7090 struct dev_db_entry *fw_ddb_entry;
7091 dma_addr_t fw_ddb_dma;
7092 int max_ddbs;
7093 int fw_idx_size;
7094 int ret;
7095 uint32_t idx = 0, next_idx = 0;
7096 uint32_t state = 0, conn_err = 0;
7097 uint16_t conn_id = 0;
7098 struct qla_ddb_index *nt_ddb_idx;
7099
7100 fw_ddb_entry = dma_pool_alloc(ha->fw_ddb_dma_pool, GFP_KERNEL,
7101 &fw_ddb_dma);
7102 if (fw_ddb_entry == NULL) {
7103 DEBUG2(ql4_printk(KERN_ERR, ha, "Out of memory\n"));
7104 goto exit_new_nt_list;
7105 }
7106 max_ddbs = is_qla40XX(ha) ? MAX_DEV_DB_ENTRIES_40XX :
7107 MAX_DEV_DB_ENTRIES;
7108 fw_idx_size = sizeof(struct qla_ddb_index);
7109
7110 for (idx = 0; idx < max_ddbs; idx = next_idx) {
7111 ret = qla4xxx_get_fwddb_entry(ha, idx, fw_ddb_entry, fw_ddb_dma,
7112 NULL, &next_idx, &state,
7113 &conn_err, NULL, &conn_id);
7114 if (ret == QLA_ERROR)
7115 break;
7116
7117
7118 if (strlen((char *)fw_ddb_entry->iscsi_name) == 0)
7119 goto continue_next_new_nt;
7120
7121 if (!(state == DDB_DS_NO_CONNECTION_ACTIVE))
7122 goto continue_next_new_nt;
7123
7124 DEBUG2(ql4_printk(KERN_INFO, ha,
7125 "Adding DDB to session = 0x%x\n", idx));
7126
7127 nt_ddb_idx = vmalloc(fw_idx_size);
7128 if (!nt_ddb_idx)
7129 break;
7130
7131 nt_ddb_idx->fw_ddb_idx = idx;
7132
7133 ret = qla4xxx_is_session_exists(ha, fw_ddb_entry, NULL);
7134 if (ret == QLA_SUCCESS) {
7135
7136 vfree(nt_ddb_idx);
7137 goto continue_next_new_nt;
7138 }
7139
7140 if (target_id < max_ddbs)
7141 fw_ddb_entry->ddb_link = cpu_to_le16(target_id);
7142
7143 list_add_tail(&nt_ddb_idx->list, list_nt);
7144
7145 ret = qla4xxx_sess_conn_setup(ha, fw_ddb_entry, RESET_ADAPTER,
7146 idx);
7147 if (ret == QLA_ERROR)
7148 goto exit_new_nt_list;
7149
7150continue_next_new_nt:
7151 if (next_idx == 0)
7152 break;
7153 }
7154
7155exit_new_nt_list:
7156 if (fw_ddb_entry)
7157 dma_pool_free(ha->fw_ddb_dma_pool, fw_ddb_entry, fw_ddb_dma);
7158}
7159
7160
7161
7162
7163
7164
7165
7166
7167
7168
7169static int qla4xxx_sysfs_ddb_is_non_persistent(struct device *dev, void *data)
7170{
7171 struct iscsi_bus_flash_session *fnode_sess;
7172
7173 if (!iscsi_flashnode_bus_match(dev, NULL))
7174 return 0;
7175
7176 fnode_sess = iscsi_dev_to_flash_session(dev);
7177
7178 return (fnode_sess->flash_state == DEV_DB_NON_PERSISTENT);
7179}
7180
7181
7182
7183
7184
7185
7186
7187
7188
7189
7190
7191
7192
7193
7194
7195
7196
7197static int qla4xxx_sysfs_ddb_tgt_create(struct scsi_qla_host *ha,
7198 struct dev_db_entry *fw_ddb_entry,
7199 uint16_t *idx, int user)
7200{
7201 struct iscsi_bus_flash_session *fnode_sess = NULL;
7202 struct iscsi_bus_flash_conn *fnode_conn = NULL;
7203 int rc = QLA_ERROR;
7204
7205 fnode_sess = iscsi_create_flashnode_sess(ha->host, *idx,
7206 &qla4xxx_iscsi_transport, 0);
7207 if (!fnode_sess) {
7208 ql4_printk(KERN_ERR, ha,
7209 "%s: Unable to create session sysfs entry for flashnode %d of host%lu\n",
7210 __func__, *idx, ha->host_no);
7211 goto exit_tgt_create;
7212 }
7213
7214 fnode_conn = iscsi_create_flashnode_conn(ha->host, fnode_sess,
7215 &qla4xxx_iscsi_transport, 0);
7216 if (!fnode_conn) {
7217 ql4_printk(KERN_ERR, ha,
7218 "%s: Unable to create conn sysfs entry for flashnode %d of host%lu\n",
7219 __func__, *idx, ha->host_no);
7220 goto free_sess;
7221 }
7222
7223 if (user) {
7224 fnode_sess->flash_state = DEV_DB_NON_PERSISTENT;
7225 } else {
7226 fnode_sess->flash_state = DEV_DB_PERSISTENT;
7227
7228 if (*idx == ha->pri_ddb_idx || *idx == ha->sec_ddb_idx)
7229 fnode_sess->is_boot_target = 1;
7230 else
7231 fnode_sess->is_boot_target = 0;
7232 }
7233
7234 rc = qla4xxx_copy_from_fwddb_param(fnode_sess, fnode_conn,
7235 fw_ddb_entry);
7236
7237 ql4_printk(KERN_INFO, ha, "%s: sysfs entry %s created\n",
7238 __func__, fnode_sess->dev.kobj.name);
7239
7240 ql4_printk(KERN_INFO, ha, "%s: sysfs entry %s created\n",
7241 __func__, fnode_conn->dev.kobj.name);
7242
7243 return QLA_SUCCESS;
7244
7245free_sess:
7246 iscsi_destroy_flashnode_sess(fnode_sess);
7247
7248exit_tgt_create:
7249 return QLA_ERROR;
7250}
7251
7252
7253
7254
7255
7256
7257
7258
7259
7260
7261static int qla4xxx_sysfs_ddb_add(struct Scsi_Host *shost, const char *buf,
7262 int len)
7263{
7264 struct scsi_qla_host *ha = to_qla_host(shost);
7265 struct dev_db_entry *fw_ddb_entry = NULL;
7266 dma_addr_t fw_ddb_entry_dma;
7267 struct device *dev;
7268 uint16_t idx = 0;
7269 uint16_t max_ddbs = 0;
7270 uint32_t options = 0;
7271 uint32_t rval = QLA_ERROR;
7272
7273 if (strncasecmp(PORTAL_TYPE_IPV4, buf, 4) &&
7274 strncasecmp(PORTAL_TYPE_IPV6, buf, 4)) {
7275 DEBUG2(ql4_printk(KERN_ERR, ha, "%s: Invalid portal type\n",
7276 __func__));
7277 goto exit_ddb_add;
7278 }
7279
7280 max_ddbs = is_qla40XX(ha) ? MAX_PRST_DEV_DB_ENTRIES :
7281 MAX_DEV_DB_ENTRIES;
7282
7283 fw_ddb_entry = dma_alloc_coherent(&ha->pdev->dev, sizeof(*fw_ddb_entry),
7284 &fw_ddb_entry_dma, GFP_KERNEL);
7285 if (!fw_ddb_entry) {
7286 DEBUG2(ql4_printk(KERN_ERR, ha,
7287 "%s: Unable to allocate dma buffer\n",
7288 __func__));
7289 goto exit_ddb_add;
7290 }
7291
7292 dev = iscsi_find_flashnode_sess(ha->host, NULL,
7293 qla4xxx_sysfs_ddb_is_non_persistent);
7294 if (dev) {
7295 ql4_printk(KERN_ERR, ha,
7296 "%s: A non-persistent entry %s found\n",
7297 __func__, dev->kobj.name);
7298 put_device(dev);
7299 goto exit_ddb_add;
7300 }
7301
7302
7303 for (idx = 2; idx < max_ddbs; idx++) {
7304 if (qla4xxx_flashdb_by_index(ha, fw_ddb_entry,
7305 fw_ddb_entry_dma, idx))
7306 break;
7307 }
7308
7309 if (idx == max_ddbs)
7310 goto exit_ddb_add;
7311
7312 if (!strncasecmp("ipv6", buf, 4))
7313 options |= IPV6_DEFAULT_DDB_ENTRY;
7314
7315 rval = qla4xxx_get_default_ddb(ha, options, fw_ddb_entry_dma);
7316 if (rval == QLA_ERROR)
7317 goto exit_ddb_add;
7318
7319 rval = qla4xxx_sysfs_ddb_tgt_create(ha, fw_ddb_entry, &idx, 1);
7320
7321exit_ddb_add:
7322 if (fw_ddb_entry)
7323 dma_free_coherent(&ha->pdev->dev, sizeof(*fw_ddb_entry),
7324 fw_ddb_entry, fw_ddb_entry_dma);
7325 if (rval == QLA_SUCCESS)
7326 return idx;
7327 else
7328 return -EIO;
7329}
7330
7331
7332
7333
7334
7335
7336
7337
7338
7339static int qla4xxx_sysfs_ddb_apply(struct iscsi_bus_flash_session *fnode_sess,
7340 struct iscsi_bus_flash_conn *fnode_conn)
7341{
7342 struct Scsi_Host *shost = iscsi_flash_session_to_shost(fnode_sess);
7343 struct scsi_qla_host *ha = to_qla_host(shost);
7344 uint32_t dev_db_start_offset = FLASH_OFFSET_DB_INFO;
7345 struct dev_db_entry *fw_ddb_entry = NULL;
7346 dma_addr_t fw_ddb_entry_dma;
7347 uint32_t options = 0;
7348 int rval = 0;
7349
7350 fw_ddb_entry = dma_alloc_coherent(&ha->pdev->dev, sizeof(*fw_ddb_entry),
7351 &fw_ddb_entry_dma, GFP_KERNEL);
7352 if (!fw_ddb_entry) {
7353 DEBUG2(ql4_printk(KERN_ERR, ha,
7354 "%s: Unable to allocate dma buffer\n",
7355 __func__));
7356 rval = -ENOMEM;
7357 goto exit_ddb_apply;
7358 }
7359
7360 if (!strncasecmp(fnode_sess->portal_type, PORTAL_TYPE_IPV6, 4))
7361 options |= IPV6_DEFAULT_DDB_ENTRY;
7362
7363 rval = qla4xxx_get_default_ddb(ha, options, fw_ddb_entry_dma);
7364 if (rval == QLA_ERROR)
7365 goto exit_ddb_apply;
7366
7367 dev_db_start_offset += (fnode_sess->target_id *
7368 sizeof(*fw_ddb_entry));
7369
7370 qla4xxx_copy_to_fwddb_param(fnode_sess, fnode_conn, fw_ddb_entry);
7371 fw_ddb_entry->cookie = DDB_VALID_COOKIE;
7372
7373 rval = qla4xxx_set_flash(ha, fw_ddb_entry_dma, dev_db_start_offset,
7374 sizeof(*fw_ddb_entry), FLASH_OPT_RMW_COMMIT);
7375
7376 if (rval == QLA_SUCCESS) {
7377 fnode_sess->flash_state = DEV_DB_PERSISTENT;
7378 ql4_printk(KERN_INFO, ha,
7379 "%s: flash node %u of host %lu written to flash\n",
7380 __func__, fnode_sess->target_id, ha->host_no);
7381 } else {
7382 rval = -EIO;
7383 ql4_printk(KERN_ERR, ha,
7384 "%s: Error while writing flash node %u of host %lu to flash\n",
7385 __func__, fnode_sess->target_id, ha->host_no);
7386 }
7387
7388exit_ddb_apply:
7389 if (fw_ddb_entry)
7390 dma_free_coherent(&ha->pdev->dev, sizeof(*fw_ddb_entry),
7391 fw_ddb_entry, fw_ddb_entry_dma);
7392 return rval;
7393}
7394
7395static ssize_t qla4xxx_sysfs_ddb_conn_open(struct scsi_qla_host *ha,
7396 struct dev_db_entry *fw_ddb_entry,
7397 uint16_t idx)
7398{
7399 struct dev_db_entry *ddb_entry = NULL;
7400 dma_addr_t ddb_entry_dma;
7401 unsigned long wtime;
7402 uint32_t mbx_sts = 0;
7403 uint32_t state = 0, conn_err = 0;
7404 uint16_t tmo = 0;
7405 int ret = 0;
7406
7407 ddb_entry = dma_alloc_coherent(&ha->pdev->dev, sizeof(*ddb_entry),
7408 &ddb_entry_dma, GFP_KERNEL);
7409 if (!ddb_entry) {
7410 DEBUG2(ql4_printk(KERN_ERR, ha,
7411 "%s: Unable to allocate dma buffer\n",
7412 __func__));
7413 return QLA_ERROR;
7414 }
7415
7416 memcpy(ddb_entry, fw_ddb_entry, sizeof(*ddb_entry));
7417
7418 ret = qla4xxx_set_ddb_entry(ha, idx, ddb_entry_dma, &mbx_sts);
7419 if (ret != QLA_SUCCESS) {
7420 DEBUG2(ql4_printk(KERN_ERR, ha,
7421 "%s: Unable to set ddb entry for index %d\n",
7422 __func__, idx));
7423 goto exit_ddb_conn_open;
7424 }
7425
7426 qla4xxx_conn_open(ha, idx);
7427
7428
7429 tmo = ((ha->def_timeout > LOGIN_TOV) &&
7430 (ha->def_timeout < LOGIN_TOV * 10) ?
7431 ha->def_timeout : LOGIN_TOV);
7432
7433 DEBUG2(ql4_printk(KERN_INFO, ha,
7434 "Default time to wait for login to ddb %d\n", tmo));
7435
7436 wtime = jiffies + (HZ * tmo);
7437 do {
7438 ret = qla4xxx_get_fwddb_entry(ha, idx, NULL, 0, NULL,
7439 NULL, &state, &conn_err, NULL,
7440 NULL);
7441 if (ret == QLA_ERROR)
7442 continue;
7443
7444 if (state == DDB_DS_NO_CONNECTION_ACTIVE ||
7445 state == DDB_DS_SESSION_FAILED)
7446 break;
7447
7448 schedule_timeout_uninterruptible(HZ / 10);
7449 } while (time_after(wtime, jiffies));
7450
7451exit_ddb_conn_open:
7452 if (ddb_entry)
7453 dma_free_coherent(&ha->pdev->dev, sizeof(*ddb_entry),
7454 ddb_entry, ddb_entry_dma);
7455 return ret;
7456}
7457
7458static int qla4xxx_ddb_login_st(struct scsi_qla_host *ha,
7459 struct dev_db_entry *fw_ddb_entry,
7460 uint16_t target_id)
7461{
7462 struct qla_ddb_index *ddb_idx, *ddb_idx_tmp;
7463 struct list_head list_nt;
7464 uint16_t ddb_index;
7465 int ret = 0;
7466
7467 if (test_bit(AF_ST_DISCOVERY_IN_PROGRESS, &ha->flags)) {
7468 ql4_printk(KERN_WARNING, ha,
7469 "%s: A discovery already in progress!\n", __func__);
7470 return QLA_ERROR;
7471 }
7472
7473 INIT_LIST_HEAD(&list_nt);
7474
7475 set_bit(AF_ST_DISCOVERY_IN_PROGRESS, &ha->flags);
7476
7477 ret = qla4xxx_get_ddb_index(ha, &ddb_index);
7478 if (ret == QLA_ERROR)
7479 goto exit_login_st_clr_bit;
7480
7481 ret = qla4xxx_sysfs_ddb_conn_open(ha, fw_ddb_entry, ddb_index);
7482 if (ret == QLA_ERROR)
7483 goto exit_login_st;
7484
7485 qla4xxx_build_new_nt_list(ha, &list_nt, target_id);
7486
7487 list_for_each_entry_safe(ddb_idx, ddb_idx_tmp, &list_nt, list) {
7488 list_del_init(&ddb_idx->list);
7489 qla4xxx_clear_ddb_entry(ha, ddb_idx->fw_ddb_idx);
7490 vfree(ddb_idx);
7491 }
7492
7493exit_login_st:
7494 if (qla4xxx_clear_ddb_entry(ha, ddb_index) == QLA_ERROR) {
7495 ql4_printk(KERN_ERR, ha,
7496 "Unable to clear DDB index = 0x%x\n", ddb_index);
7497 }
7498
7499 clear_bit(ddb_index, ha->ddb_idx_map);
7500
7501exit_login_st_clr_bit:
7502 clear_bit(AF_ST_DISCOVERY_IN_PROGRESS, &ha->flags);
7503 return ret;
7504}
7505
7506static int qla4xxx_ddb_login_nt(struct scsi_qla_host *ha,
7507 struct dev_db_entry *fw_ddb_entry,
7508 uint16_t idx)
7509{
7510 int ret = QLA_ERROR;
7511
7512 ret = qla4xxx_is_session_exists(ha, fw_ddb_entry, NULL);
7513 if (ret != QLA_SUCCESS)
7514 ret = qla4xxx_sess_conn_setup(ha, fw_ddb_entry, RESET_ADAPTER,
7515 idx);
7516 else
7517 ret = -EPERM;
7518
7519 return ret;
7520}
7521
7522
7523
7524
7525
7526
7527
7528
7529static int qla4xxx_sysfs_ddb_login(struct iscsi_bus_flash_session *fnode_sess,
7530 struct iscsi_bus_flash_conn *fnode_conn)
7531{
7532 struct Scsi_Host *shost = iscsi_flash_session_to_shost(fnode_sess);
7533 struct scsi_qla_host *ha = to_qla_host(shost);
7534 struct dev_db_entry *fw_ddb_entry = NULL;
7535 dma_addr_t fw_ddb_entry_dma;
7536 uint32_t options = 0;
7537 int ret = 0;
7538
7539 if (fnode_sess->flash_state == DEV_DB_NON_PERSISTENT) {
7540 ql4_printk(KERN_ERR, ha,
7541 "%s: Target info is not persistent\n", __func__);
7542 ret = -EIO;
7543 goto exit_ddb_login;
7544 }
7545
7546 fw_ddb_entry = dma_alloc_coherent(&ha->pdev->dev, sizeof(*fw_ddb_entry),
7547 &fw_ddb_entry_dma, GFP_KERNEL);
7548 if (!fw_ddb_entry) {
7549 DEBUG2(ql4_printk(KERN_ERR, ha,
7550 "%s: Unable to allocate dma buffer\n",
7551 __func__));
7552 ret = -ENOMEM;
7553 goto exit_ddb_login;
7554 }
7555
7556 if (!strncasecmp(fnode_sess->portal_type, PORTAL_TYPE_IPV6, 4))
7557 options |= IPV6_DEFAULT_DDB_ENTRY;
7558
7559 ret = qla4xxx_get_default_ddb(ha, options, fw_ddb_entry_dma);
7560 if (ret == QLA_ERROR)
7561 goto exit_ddb_login;
7562
7563 qla4xxx_copy_to_fwddb_param(fnode_sess, fnode_conn, fw_ddb_entry);
7564 fw_ddb_entry->cookie = DDB_VALID_COOKIE;
7565
7566 if (strlen((char *)fw_ddb_entry->iscsi_name) == 0)
7567 ret = qla4xxx_ddb_login_st(ha, fw_ddb_entry,
7568 fnode_sess->target_id);
7569 else
7570 ret = qla4xxx_ddb_login_nt(ha, fw_ddb_entry,
7571 fnode_sess->target_id);
7572
7573 if (ret > 0)
7574 ret = -EIO;
7575
7576exit_ddb_login:
7577 if (fw_ddb_entry)
7578 dma_free_coherent(&ha->pdev->dev, sizeof(*fw_ddb_entry),
7579 fw_ddb_entry, fw_ddb_entry_dma);
7580 return ret;
7581}
7582
7583
7584
7585
7586
7587
7588
7589static int qla4xxx_sysfs_ddb_logout_sid(struct iscsi_cls_session *cls_sess)
7590{
7591 struct iscsi_session *sess;
7592 struct ddb_entry *ddb_entry = NULL;
7593 struct scsi_qla_host *ha;
7594 struct dev_db_entry *fw_ddb_entry = NULL;
7595 dma_addr_t fw_ddb_entry_dma;
7596 unsigned long flags;
7597 unsigned long wtime;
7598 uint32_t ddb_state;
7599 int options;
7600 int ret = 0;
7601
7602 sess = cls_sess->dd_data;
7603 ddb_entry = sess->dd_data;
7604 ha = ddb_entry->ha;
7605
7606 if (ddb_entry->ddb_type != FLASH_DDB) {
7607 ql4_printk(KERN_ERR, ha, "%s: Not a flash node session\n",
7608 __func__);
7609 ret = -ENXIO;
7610 goto exit_ddb_logout;
7611 }
7612
7613 if (test_bit(DF_BOOT_TGT, &ddb_entry->flags)) {
7614 ql4_printk(KERN_ERR, ha,
7615 "%s: Logout from boot target entry is not permitted.\n",
7616 __func__);
7617 ret = -EPERM;
7618 goto exit_ddb_logout;
7619 }
7620
7621 fw_ddb_entry = dma_alloc_coherent(&ha->pdev->dev, sizeof(*fw_ddb_entry),
7622 &fw_ddb_entry_dma, GFP_KERNEL);
7623 if (!fw_ddb_entry) {
7624 ql4_printk(KERN_ERR, ha,
7625 "%s: Unable to allocate dma buffer\n", __func__);
7626 ret = -ENOMEM;
7627 goto exit_ddb_logout;
7628 }
7629
7630 if (test_and_set_bit(DF_DISABLE_RELOGIN, &ddb_entry->flags))
7631 goto ddb_logout_init;
7632
7633 ret = qla4xxx_get_fwddb_entry(ha, ddb_entry->fw_ddb_index,
7634 fw_ddb_entry, fw_ddb_entry_dma,
7635 NULL, NULL, &ddb_state, NULL,
7636 NULL, NULL);
7637 if (ret == QLA_ERROR)
7638 goto ddb_logout_init;
7639
7640 if (ddb_state == DDB_DS_SESSION_ACTIVE)
7641 goto ddb_logout_init;
7642
7643
7644
7645
7646 wtime = jiffies + (HZ * RELOGIN_TOV);
7647 do {
7648 if (test_and_clear_bit(DF_RELOGIN, &ddb_entry->flags))
7649 goto ddb_logout_init;
7650
7651 schedule_timeout_uninterruptible(HZ);
7652 } while ((time_after(wtime, jiffies)));
7653
7654ddb_logout_init:
7655 atomic_set(&ddb_entry->retry_relogin_timer, INVALID_ENTRY);
7656 atomic_set(&ddb_entry->relogin_timer, 0);
7657
7658 options = LOGOUT_OPTION_CLOSE_SESSION;
7659 qla4xxx_session_logout_ddb(ha, ddb_entry, options);
7660
7661 memset(fw_ddb_entry, 0, sizeof(*fw_ddb_entry));
7662 wtime = jiffies + (HZ * LOGOUT_TOV);
7663 do {
7664 ret = qla4xxx_get_fwddb_entry(ha, ddb_entry->fw_ddb_index,
7665 fw_ddb_entry, fw_ddb_entry_dma,
7666 NULL, NULL, &ddb_state, NULL,
7667 NULL, NULL);
7668 if (ret == QLA_ERROR)
7669 goto ddb_logout_clr_sess;
7670
7671 if ((ddb_state == DDB_DS_NO_CONNECTION_ACTIVE) ||
7672 (ddb_state == DDB_DS_SESSION_FAILED))
7673 goto ddb_logout_clr_sess;
7674
7675 schedule_timeout_uninterruptible(HZ);
7676 } while ((time_after(wtime, jiffies)));
7677
7678ddb_logout_clr_sess:
7679 qla4xxx_clear_ddb_entry(ha, ddb_entry->fw_ddb_index);
7680
7681
7682
7683
7684
7685
7686 try_module_get(qla4xxx_iscsi_transport.owner);
7687 iscsi_destroy_endpoint(ddb_entry->conn->ep);
7688
7689 spin_lock_irqsave(&ha->hardware_lock, flags);
7690 qla4xxx_free_ddb(ha, ddb_entry);
7691 clear_bit(ddb_entry->fw_ddb_index, ha->ddb_idx_map);
7692 spin_unlock_irqrestore(&ha->hardware_lock, flags);
7693
7694 iscsi_session_teardown(ddb_entry->sess);
7695
7696 clear_bit(DF_DISABLE_RELOGIN, &ddb_entry->flags);
7697 ret = QLA_SUCCESS;
7698
7699exit_ddb_logout:
7700 if (fw_ddb_entry)
7701 dma_free_coherent(&ha->pdev->dev, sizeof(*fw_ddb_entry),
7702 fw_ddb_entry, fw_ddb_entry_dma);
7703 return ret;
7704}
7705
7706
7707
7708
7709
7710
7711
7712
7713static int qla4xxx_sysfs_ddb_logout(struct iscsi_bus_flash_session *fnode_sess,
7714 struct iscsi_bus_flash_conn *fnode_conn)
7715{
7716 struct Scsi_Host *shost = iscsi_flash_session_to_shost(fnode_sess);
7717 struct scsi_qla_host *ha = to_qla_host(shost);
7718 struct ql4_tuple_ddb *flash_tddb = NULL;
7719 struct ql4_tuple_ddb *tmp_tddb = NULL;
7720 struct dev_db_entry *fw_ddb_entry = NULL;
7721 struct ddb_entry *ddb_entry = NULL;
7722 dma_addr_t fw_ddb_dma;
7723 uint32_t next_idx = 0;
7724 uint32_t state = 0, conn_err = 0;
7725 uint16_t conn_id = 0;
7726 int idx, index;
7727 int status, ret = 0;
7728
7729 fw_ddb_entry = dma_pool_alloc(ha->fw_ddb_dma_pool, GFP_KERNEL,
7730 &fw_ddb_dma);
7731 if (fw_ddb_entry == NULL) {
7732 ql4_printk(KERN_ERR, ha, "%s:Out of memory\n", __func__);
7733 ret = -ENOMEM;
7734 goto exit_ddb_logout;
7735 }
7736
7737 flash_tddb = vzalloc(sizeof(*flash_tddb));
7738 if (!flash_tddb) {
7739 ql4_printk(KERN_WARNING, ha,
7740 "%s:Memory Allocation failed.\n", __func__);
7741 ret = -ENOMEM;
7742 goto exit_ddb_logout;
7743 }
7744
7745 tmp_tddb = vzalloc(sizeof(*tmp_tddb));
7746 if (!tmp_tddb) {
7747 ql4_printk(KERN_WARNING, ha,
7748 "%s:Memory Allocation failed.\n", __func__);
7749 ret = -ENOMEM;
7750 goto exit_ddb_logout;
7751 }
7752
7753 if (!fnode_sess->targetname) {
7754 ql4_printk(KERN_ERR, ha,
7755 "%s:Cannot logout from SendTarget entry\n",
7756 __func__);
7757 ret = -EPERM;
7758 goto exit_ddb_logout;
7759 }
7760
7761 if (fnode_sess->is_boot_target) {
7762 ql4_printk(KERN_ERR, ha,
7763 "%s: Logout from boot target entry is not permitted.\n",
7764 __func__);
7765 ret = -EPERM;
7766 goto exit_ddb_logout;
7767 }
7768
7769 strlcpy(flash_tddb->iscsi_name, fnode_sess->targetname,
7770 ISCSI_NAME_SIZE);
7771
7772 if (!strncmp(fnode_sess->portal_type, PORTAL_TYPE_IPV6, 4))
7773 sprintf(flash_tddb->ip_addr, "%pI6", fnode_conn->ipaddress);
7774 else
7775 sprintf(flash_tddb->ip_addr, "%pI4", fnode_conn->ipaddress);
7776
7777 flash_tddb->tpgt = fnode_sess->tpgt;
7778 flash_tddb->port = fnode_conn->port;
7779
7780 COPY_ISID(flash_tddb->isid, fnode_sess->isid);
7781
7782 for (idx = 0; idx < MAX_DDB_ENTRIES; idx++) {
7783 ddb_entry = qla4xxx_lookup_ddb_by_fw_index(ha, idx);
7784 if (ddb_entry == NULL)
7785 continue;
7786
7787 if (ddb_entry->ddb_type != FLASH_DDB)
7788 continue;
7789
7790 index = ddb_entry->sess->target_id;
7791 status = qla4xxx_get_fwddb_entry(ha, index, fw_ddb_entry,
7792 fw_ddb_dma, NULL, &next_idx,
7793 &state, &conn_err, NULL,
7794 &conn_id);
7795 if (status == QLA_ERROR) {
7796 ret = -ENOMEM;
7797 break;
7798 }
7799
7800 qla4xxx_convert_param_ddb(fw_ddb_entry, tmp_tddb, NULL);
7801
7802 status = qla4xxx_compare_tuple_ddb(ha, flash_tddb, tmp_tddb,
7803 true);
7804 if (status == QLA_SUCCESS) {
7805 ret = qla4xxx_sysfs_ddb_logout_sid(ddb_entry->sess);
7806 break;
7807 }
7808 }
7809
7810 if (idx == MAX_DDB_ENTRIES)
7811 ret = -ESRCH;
7812
7813exit_ddb_logout:
7814 if (flash_tddb)
7815 vfree(flash_tddb);
7816 if (tmp_tddb)
7817 vfree(tmp_tddb);
7818 if (fw_ddb_entry)
7819 dma_pool_free(ha->fw_ddb_dma_pool, fw_ddb_entry, fw_ddb_dma);
7820
7821 return ret;
7822}
7823
7824static int
7825qla4xxx_sysfs_ddb_get_param(struct iscsi_bus_flash_session *fnode_sess,
7826 int param, char *buf)
7827{
7828 struct Scsi_Host *shost = iscsi_flash_session_to_shost(fnode_sess);
7829 struct scsi_qla_host *ha = to_qla_host(shost);
7830 struct iscsi_bus_flash_conn *fnode_conn;
7831 struct ql4_chap_table chap_tbl;
7832 struct device *dev;
7833 int parent_type;
7834 int rc = 0;
7835
7836 dev = iscsi_find_flashnode_conn(fnode_sess);
7837 if (!dev)
7838 return -EIO;
7839
7840 fnode_conn = iscsi_dev_to_flash_conn(dev);
7841
7842 switch (param) {
7843 case ISCSI_FLASHNODE_IS_FW_ASSIGNED_IPV6:
7844 rc = sprintf(buf, "%u\n", fnode_conn->is_fw_assigned_ipv6);
7845 break;
7846 case ISCSI_FLASHNODE_PORTAL_TYPE:
7847 rc = sprintf(buf, "%s\n", fnode_sess->portal_type);
7848 break;
7849 case ISCSI_FLASHNODE_AUTO_SND_TGT_DISABLE:
7850 rc = sprintf(buf, "%u\n", fnode_sess->auto_snd_tgt_disable);
7851 break;
7852 case ISCSI_FLASHNODE_DISCOVERY_SESS:
7853 rc = sprintf(buf, "%u\n", fnode_sess->discovery_sess);
7854 break;
7855 case ISCSI_FLASHNODE_ENTRY_EN:
7856 rc = sprintf(buf, "%u\n", fnode_sess->entry_state);
7857 break;
7858 case ISCSI_FLASHNODE_HDR_DGST_EN:
7859 rc = sprintf(buf, "%u\n", fnode_conn->hdrdgst_en);
7860 break;
7861 case ISCSI_FLASHNODE_DATA_DGST_EN:
7862 rc = sprintf(buf, "%u\n", fnode_conn->datadgst_en);
7863 break;
7864 case ISCSI_FLASHNODE_IMM_DATA_EN:
7865 rc = sprintf(buf, "%u\n", fnode_sess->imm_data_en);
7866 break;
7867 case ISCSI_FLASHNODE_INITIAL_R2T_EN:
7868 rc = sprintf(buf, "%u\n", fnode_sess->initial_r2t_en);
7869 break;
7870 case ISCSI_FLASHNODE_DATASEQ_INORDER:
7871 rc = sprintf(buf, "%u\n", fnode_sess->dataseq_inorder_en);
7872 break;
7873 case ISCSI_FLASHNODE_PDU_INORDER:
7874 rc = sprintf(buf, "%u\n", fnode_sess->pdu_inorder_en);
7875 break;
7876 case ISCSI_FLASHNODE_CHAP_AUTH_EN:
7877 rc = sprintf(buf, "%u\n", fnode_sess->chap_auth_en);
7878 break;
7879 case ISCSI_FLASHNODE_SNACK_REQ_EN:
7880 rc = sprintf(buf, "%u\n", fnode_conn->snack_req_en);
7881 break;
7882 case ISCSI_FLASHNODE_DISCOVERY_LOGOUT_EN:
7883 rc = sprintf(buf, "%u\n", fnode_sess->discovery_logout_en);
7884 break;
7885 case ISCSI_FLASHNODE_BIDI_CHAP_EN:
7886 rc = sprintf(buf, "%u\n", fnode_sess->bidi_chap_en);
7887 break;
7888 case ISCSI_FLASHNODE_DISCOVERY_AUTH_OPTIONAL:
7889 rc = sprintf(buf, "%u\n", fnode_sess->discovery_auth_optional);
7890 break;
7891 case ISCSI_FLASHNODE_ERL:
7892 rc = sprintf(buf, "%u\n", fnode_sess->erl);
7893 break;
7894 case ISCSI_FLASHNODE_TCP_TIMESTAMP_STAT:
7895 rc = sprintf(buf, "%u\n", fnode_conn->tcp_timestamp_stat);
7896 break;
7897 case ISCSI_FLASHNODE_TCP_NAGLE_DISABLE:
7898 rc = sprintf(buf, "%u\n", fnode_conn->tcp_nagle_disable);
7899 break;
7900 case ISCSI_FLASHNODE_TCP_WSF_DISABLE:
7901 rc = sprintf(buf, "%u\n", fnode_conn->tcp_wsf_disable);
7902 break;
7903 case ISCSI_FLASHNODE_TCP_TIMER_SCALE:
7904 rc = sprintf(buf, "%u\n", fnode_conn->tcp_timer_scale);
7905 break;
7906 case ISCSI_FLASHNODE_TCP_TIMESTAMP_EN:
7907 rc = sprintf(buf, "%u\n", fnode_conn->tcp_timestamp_en);
7908 break;
7909 case ISCSI_FLASHNODE_IP_FRAG_DISABLE:
7910 rc = sprintf(buf, "%u\n", fnode_conn->fragment_disable);
7911 break;
7912 case ISCSI_FLASHNODE_MAX_RECV_DLENGTH:
7913 rc = sprintf(buf, "%u\n", fnode_conn->max_recv_dlength);
7914 break;
7915 case ISCSI_FLASHNODE_MAX_XMIT_DLENGTH:
7916 rc = sprintf(buf, "%u\n", fnode_conn->max_xmit_dlength);
7917 break;
7918 case ISCSI_FLASHNODE_FIRST_BURST:
7919 rc = sprintf(buf, "%u\n", fnode_sess->first_burst);
7920 break;
7921 case ISCSI_FLASHNODE_DEF_TIME2WAIT:
7922 rc = sprintf(buf, "%u\n", fnode_sess->time2wait);
7923 break;
7924 case ISCSI_FLASHNODE_DEF_TIME2RETAIN:
7925 rc = sprintf(buf, "%u\n", fnode_sess->time2retain);
7926 break;
7927 case ISCSI_FLASHNODE_MAX_R2T:
7928 rc = sprintf(buf, "%u\n", fnode_sess->max_r2t);
7929 break;
7930 case ISCSI_FLASHNODE_KEEPALIVE_TMO:
7931 rc = sprintf(buf, "%u\n", fnode_conn->keepalive_timeout);
7932 break;
7933 case ISCSI_FLASHNODE_ISID:
7934 rc = sprintf(buf, "%02x%02x%02x%02x%02x%02x\n",
7935 fnode_sess->isid[0], fnode_sess->isid[1],
7936 fnode_sess->isid[2], fnode_sess->isid[3],
7937 fnode_sess->isid[4], fnode_sess->isid[5]);
7938 break;
7939 case ISCSI_FLASHNODE_TSID:
7940 rc = sprintf(buf, "%u\n", fnode_sess->tsid);
7941 break;
7942 case ISCSI_FLASHNODE_PORT:
7943 rc = sprintf(buf, "%d\n", fnode_conn->port);
7944 break;
7945 case ISCSI_FLASHNODE_MAX_BURST:
7946 rc = sprintf(buf, "%u\n", fnode_sess->max_burst);
7947 break;
7948 case ISCSI_FLASHNODE_DEF_TASKMGMT_TMO:
7949 rc = sprintf(buf, "%u\n",
7950 fnode_sess->default_taskmgmt_timeout);
7951 break;
7952 case ISCSI_FLASHNODE_IPADDR:
7953 if (!strncmp(fnode_sess->portal_type, PORTAL_TYPE_IPV6, 4))
7954 rc = sprintf(buf, "%pI6\n", fnode_conn->ipaddress);
7955 else
7956 rc = sprintf(buf, "%pI4\n", fnode_conn->ipaddress);
7957 break;
7958 case ISCSI_FLASHNODE_ALIAS:
7959 if (fnode_sess->targetalias)
7960 rc = sprintf(buf, "%s\n", fnode_sess->targetalias);
7961 else
7962 rc = sprintf(buf, "\n");
7963 break;
7964 case ISCSI_FLASHNODE_REDIRECT_IPADDR:
7965 if (!strncmp(fnode_sess->portal_type, PORTAL_TYPE_IPV6, 4))
7966 rc = sprintf(buf, "%pI6\n",
7967 fnode_conn->redirect_ipaddr);
7968 else
7969 rc = sprintf(buf, "%pI4\n",
7970 fnode_conn->redirect_ipaddr);
7971 break;
7972 case ISCSI_FLASHNODE_MAX_SEGMENT_SIZE:
7973 rc = sprintf(buf, "%u\n", fnode_conn->max_segment_size);
7974 break;
7975 case ISCSI_FLASHNODE_LOCAL_PORT:
7976 rc = sprintf(buf, "%u\n", fnode_conn->local_port);
7977 break;
7978 case ISCSI_FLASHNODE_IPV4_TOS:
7979 rc = sprintf(buf, "%u\n", fnode_conn->ipv4_tos);
7980 break;
7981 case ISCSI_FLASHNODE_IPV6_TC:
7982 if (!strncmp(fnode_sess->portal_type, PORTAL_TYPE_IPV6, 4))
7983 rc = sprintf(buf, "%u\n",
7984 fnode_conn->ipv6_traffic_class);
7985 else
7986 rc = sprintf(buf, "\n");
7987 break;
7988 case ISCSI_FLASHNODE_IPV6_FLOW_LABEL:
7989 rc = sprintf(buf, "%u\n", fnode_conn->ipv6_flow_label);
7990 break;
7991 case ISCSI_FLASHNODE_LINK_LOCAL_IPV6:
7992 if (!strncmp(fnode_sess->portal_type, PORTAL_TYPE_IPV6, 4))
7993 rc = sprintf(buf, "%pI6\n",
7994 fnode_conn->link_local_ipv6_addr);
7995 else
7996 rc = sprintf(buf, "\n");
7997 break;
7998 case ISCSI_FLASHNODE_DISCOVERY_PARENT_IDX:
7999 rc = sprintf(buf, "%u\n", fnode_sess->discovery_parent_idx);
8000 break;
8001 case ISCSI_FLASHNODE_DISCOVERY_PARENT_TYPE:
8002 if (fnode_sess->discovery_parent_type == DDB_ISNS)
8003 parent_type = ISCSI_DISC_PARENT_ISNS;
8004 else if (fnode_sess->discovery_parent_type == DDB_NO_LINK)
8005 parent_type = ISCSI_DISC_PARENT_UNKNOWN;
8006 else if (fnode_sess->discovery_parent_type < MAX_DDB_ENTRIES)
8007 parent_type = ISCSI_DISC_PARENT_SENDTGT;
8008 else
8009 parent_type = ISCSI_DISC_PARENT_UNKNOWN;
8010
8011 rc = sprintf(buf, "%s\n",
8012 iscsi_get_discovery_parent_name(parent_type));
8013 break;
8014 case ISCSI_FLASHNODE_NAME:
8015 if (fnode_sess->targetname)
8016 rc = sprintf(buf, "%s\n", fnode_sess->targetname);
8017 else
8018 rc = sprintf(buf, "\n");
8019 break;
8020 case ISCSI_FLASHNODE_TPGT:
8021 rc = sprintf(buf, "%u\n", fnode_sess->tpgt);
8022 break;
8023 case ISCSI_FLASHNODE_TCP_XMIT_WSF:
8024 rc = sprintf(buf, "%u\n", fnode_conn->tcp_xmit_wsf);
8025 break;
8026 case ISCSI_FLASHNODE_TCP_RECV_WSF:
8027 rc = sprintf(buf, "%u\n", fnode_conn->tcp_recv_wsf);
8028 break;
8029 case ISCSI_FLASHNODE_CHAP_OUT_IDX:
8030 rc = sprintf(buf, "%u\n", fnode_sess->chap_out_idx);
8031 break;
8032 case ISCSI_FLASHNODE_USERNAME:
8033 if (fnode_sess->chap_auth_en) {
8034 qla4xxx_get_uni_chap_at_index(ha,
8035 chap_tbl.name,
8036 chap_tbl.secret,
8037 fnode_sess->chap_out_idx);
8038 rc = sprintf(buf, "%s\n", chap_tbl.name);
8039 } else {
8040 rc = sprintf(buf, "\n");
8041 }
8042 break;
8043 case ISCSI_FLASHNODE_PASSWORD:
8044 if (fnode_sess->chap_auth_en) {
8045 qla4xxx_get_uni_chap_at_index(ha,
8046 chap_tbl.name,
8047 chap_tbl.secret,
8048 fnode_sess->chap_out_idx);
8049 rc = sprintf(buf, "%s\n", chap_tbl.secret);
8050 } else {
8051 rc = sprintf(buf, "\n");
8052 }
8053 break;
8054 case ISCSI_FLASHNODE_STATSN:
8055 rc = sprintf(buf, "%u\n", fnode_conn->statsn);
8056 break;
8057 case ISCSI_FLASHNODE_EXP_STATSN:
8058 rc = sprintf(buf, "%u\n", fnode_conn->exp_statsn);
8059 break;
8060 case ISCSI_FLASHNODE_IS_BOOT_TGT:
8061 rc = sprintf(buf, "%u\n", fnode_sess->is_boot_target);
8062 break;
8063 default:
8064 rc = -ENOSYS;
8065 break;
8066 }
8067
8068 put_device(dev);
8069 return rc;
8070}
8071
8072
8073
8074
8075
8076
8077
8078
8079
8080
8081static int
8082qla4xxx_sysfs_ddb_set_param(struct iscsi_bus_flash_session *fnode_sess,
8083 struct iscsi_bus_flash_conn *fnode_conn,
8084 void *data, int len)
8085{
8086 struct Scsi_Host *shost = iscsi_flash_session_to_shost(fnode_sess);
8087 struct scsi_qla_host *ha = to_qla_host(shost);
8088 struct iscsi_flashnode_param_info *fnode_param;
8089 struct ql4_chap_table chap_tbl;
8090 struct nlattr *attr;
8091 uint16_t chap_out_idx = INVALID_ENTRY;
8092 int rc = QLA_ERROR;
8093 uint32_t rem = len;
8094
8095 memset((void *)&chap_tbl, 0, sizeof(chap_tbl));
8096 nla_for_each_attr(attr, data, len, rem) {
8097 fnode_param = nla_data(attr);
8098
8099 switch (fnode_param->param) {
8100 case ISCSI_FLASHNODE_IS_FW_ASSIGNED_IPV6:
8101 fnode_conn->is_fw_assigned_ipv6 = fnode_param->value[0];
8102 break;
8103 case ISCSI_FLASHNODE_PORTAL_TYPE:
8104 memcpy(fnode_sess->portal_type, fnode_param->value,
8105 strlen(fnode_sess->portal_type));
8106 break;
8107 case ISCSI_FLASHNODE_AUTO_SND_TGT_DISABLE:
8108 fnode_sess->auto_snd_tgt_disable =
8109 fnode_param->value[0];
8110 break;
8111 case ISCSI_FLASHNODE_DISCOVERY_SESS:
8112 fnode_sess->discovery_sess = fnode_param->value[0];
8113 break;
8114 case ISCSI_FLASHNODE_ENTRY_EN:
8115 fnode_sess->entry_state = fnode_param->value[0];
8116 break;
8117 case ISCSI_FLASHNODE_HDR_DGST_EN:
8118 fnode_conn->hdrdgst_en = fnode_param->value[0];
8119 break;
8120 case ISCSI_FLASHNODE_DATA_DGST_EN:
8121 fnode_conn->datadgst_en = fnode_param->value[0];
8122 break;
8123 case ISCSI_FLASHNODE_IMM_DATA_EN:
8124 fnode_sess->imm_data_en = fnode_param->value[0];
8125 break;
8126 case ISCSI_FLASHNODE_INITIAL_R2T_EN:
8127 fnode_sess->initial_r2t_en = fnode_param->value[0];
8128 break;
8129 case ISCSI_FLASHNODE_DATASEQ_INORDER:
8130 fnode_sess->dataseq_inorder_en = fnode_param->value[0];
8131 break;
8132 case ISCSI_FLASHNODE_PDU_INORDER:
8133 fnode_sess->pdu_inorder_en = fnode_param->value[0];
8134 break;
8135 case ISCSI_FLASHNODE_CHAP_AUTH_EN:
8136 fnode_sess->chap_auth_en = fnode_param->value[0];
8137
8138 if (!fnode_sess->chap_auth_en)
8139 fnode_sess->chap_out_idx = INVALID_ENTRY;
8140
8141 break;
8142 case ISCSI_FLASHNODE_SNACK_REQ_EN:
8143 fnode_conn->snack_req_en = fnode_param->value[0];
8144 break;
8145 case ISCSI_FLASHNODE_DISCOVERY_LOGOUT_EN:
8146 fnode_sess->discovery_logout_en = fnode_param->value[0];
8147 break;
8148 case ISCSI_FLASHNODE_BIDI_CHAP_EN:
8149 fnode_sess->bidi_chap_en = fnode_param->value[0];
8150 break;
8151 case ISCSI_FLASHNODE_DISCOVERY_AUTH_OPTIONAL:
8152 fnode_sess->discovery_auth_optional =
8153 fnode_param->value[0];
8154 break;
8155 case ISCSI_FLASHNODE_ERL:
8156 fnode_sess->erl = fnode_param->value[0];
8157 break;
8158 case ISCSI_FLASHNODE_TCP_TIMESTAMP_STAT:
8159 fnode_conn->tcp_timestamp_stat = fnode_param->value[0];
8160 break;
8161 case ISCSI_FLASHNODE_TCP_NAGLE_DISABLE:
8162 fnode_conn->tcp_nagle_disable = fnode_param->value[0];
8163 break;
8164 case ISCSI_FLASHNODE_TCP_WSF_DISABLE:
8165 fnode_conn->tcp_wsf_disable = fnode_param->value[0];
8166 break;
8167 case ISCSI_FLASHNODE_TCP_TIMER_SCALE:
8168 fnode_conn->tcp_timer_scale = fnode_param->value[0];
8169 break;
8170 case ISCSI_FLASHNODE_TCP_TIMESTAMP_EN:
8171 fnode_conn->tcp_timestamp_en = fnode_param->value[0];
8172 break;
8173 case ISCSI_FLASHNODE_IP_FRAG_DISABLE:
8174 fnode_conn->fragment_disable = fnode_param->value[0];
8175 break;
8176 case ISCSI_FLASHNODE_MAX_RECV_DLENGTH:
8177 fnode_conn->max_recv_dlength =
8178 *(unsigned *)fnode_param->value;
8179 break;
8180 case ISCSI_FLASHNODE_MAX_XMIT_DLENGTH:
8181 fnode_conn->max_xmit_dlength =
8182 *(unsigned *)fnode_param->value;
8183 break;
8184 case ISCSI_FLASHNODE_FIRST_BURST:
8185 fnode_sess->first_burst =
8186 *(unsigned *)fnode_param->value;
8187 break;
8188 case ISCSI_FLASHNODE_DEF_TIME2WAIT:
8189 fnode_sess->time2wait = *(uint16_t *)fnode_param->value;
8190 break;
8191 case ISCSI_FLASHNODE_DEF_TIME2RETAIN:
8192 fnode_sess->time2retain =
8193 *(uint16_t *)fnode_param->value;
8194 break;
8195 case ISCSI_FLASHNODE_MAX_R2T:
8196 fnode_sess->max_r2t =
8197 *(uint16_t *)fnode_param->value;
8198 break;
8199 case ISCSI_FLASHNODE_KEEPALIVE_TMO:
8200 fnode_conn->keepalive_timeout =
8201 *(uint16_t *)fnode_param->value;
8202 break;
8203 case ISCSI_FLASHNODE_ISID:
8204 memcpy(fnode_sess->isid, fnode_param->value,
8205 sizeof(fnode_sess->isid));
8206 break;
8207 case ISCSI_FLASHNODE_TSID:
8208 fnode_sess->tsid = *(uint16_t *)fnode_param->value;
8209 break;
8210 case ISCSI_FLASHNODE_PORT:
8211 fnode_conn->port = *(uint16_t *)fnode_param->value;
8212 break;
8213 case ISCSI_FLASHNODE_MAX_BURST:
8214 fnode_sess->max_burst = *(unsigned *)fnode_param->value;
8215 break;
8216 case ISCSI_FLASHNODE_DEF_TASKMGMT_TMO:
8217 fnode_sess->default_taskmgmt_timeout =
8218 *(uint16_t *)fnode_param->value;
8219 break;
8220 case ISCSI_FLASHNODE_IPADDR:
8221 memcpy(fnode_conn->ipaddress, fnode_param->value,
8222 IPv6_ADDR_LEN);
8223 break;
8224 case ISCSI_FLASHNODE_ALIAS:
8225 rc = iscsi_switch_str_param(&fnode_sess->targetalias,
8226 (char *)fnode_param->value);
8227 break;
8228 case ISCSI_FLASHNODE_REDIRECT_IPADDR:
8229 memcpy(fnode_conn->redirect_ipaddr, fnode_param->value,
8230 IPv6_ADDR_LEN);
8231 break;
8232 case ISCSI_FLASHNODE_MAX_SEGMENT_SIZE:
8233 fnode_conn->max_segment_size =
8234 *(unsigned *)fnode_param->value;
8235 break;
8236 case ISCSI_FLASHNODE_LOCAL_PORT:
8237 fnode_conn->local_port =
8238 *(uint16_t *)fnode_param->value;
8239 break;
8240 case ISCSI_FLASHNODE_IPV4_TOS:
8241 fnode_conn->ipv4_tos = fnode_param->value[0];
8242 break;
8243 case ISCSI_FLASHNODE_IPV6_TC:
8244 fnode_conn->ipv6_traffic_class = fnode_param->value[0];
8245 break;
8246 case ISCSI_FLASHNODE_IPV6_FLOW_LABEL:
8247 fnode_conn->ipv6_flow_label = fnode_param->value[0];
8248 break;
8249 case ISCSI_FLASHNODE_NAME:
8250 rc = iscsi_switch_str_param(&fnode_sess->targetname,
8251 (char *)fnode_param->value);
8252 break;
8253 case ISCSI_FLASHNODE_TPGT:
8254 fnode_sess->tpgt = *(uint16_t *)fnode_param->value;
8255 break;
8256 case ISCSI_FLASHNODE_LINK_LOCAL_IPV6:
8257 memcpy(fnode_conn->link_local_ipv6_addr,
8258 fnode_param->value, IPv6_ADDR_LEN);
8259 break;
8260 case ISCSI_FLASHNODE_DISCOVERY_PARENT_IDX:
8261 fnode_sess->discovery_parent_idx =
8262 *(uint16_t *)fnode_param->value;
8263 break;
8264 case ISCSI_FLASHNODE_TCP_XMIT_WSF:
8265 fnode_conn->tcp_xmit_wsf =
8266 *(uint8_t *)fnode_param->value;
8267 break;
8268 case ISCSI_FLASHNODE_TCP_RECV_WSF:
8269 fnode_conn->tcp_recv_wsf =
8270 *(uint8_t *)fnode_param->value;
8271 break;
8272 case ISCSI_FLASHNODE_STATSN:
8273 fnode_conn->statsn = *(uint32_t *)fnode_param->value;
8274 break;
8275 case ISCSI_FLASHNODE_EXP_STATSN:
8276 fnode_conn->exp_statsn =
8277 *(uint32_t *)fnode_param->value;
8278 break;
8279 case ISCSI_FLASHNODE_CHAP_OUT_IDX:
8280 chap_out_idx = *(uint16_t *)fnode_param->value;
8281 if (!qla4xxx_get_uni_chap_at_index(ha,
8282 chap_tbl.name,
8283 chap_tbl.secret,
8284 chap_out_idx)) {
8285 fnode_sess->chap_out_idx = chap_out_idx;
8286
8287 fnode_sess->chap_auth_en = QL4_PARAM_ENABLE;
8288 }
8289 break;
8290 default:
8291 ql4_printk(KERN_ERR, ha,
8292 "%s: No such sysfs attribute\n", __func__);
8293 rc = -ENOSYS;
8294 goto exit_set_param;
8295 }
8296 }
8297
8298 rc = qla4xxx_sysfs_ddb_apply(fnode_sess, fnode_conn);
8299
8300exit_set_param:
8301 return rc;
8302}
8303
8304
8305
8306
8307
8308
8309
8310static int qla4xxx_sysfs_ddb_delete(struct iscsi_bus_flash_session *fnode_sess)
8311{
8312 struct Scsi_Host *shost = iscsi_flash_session_to_shost(fnode_sess);
8313 struct scsi_qla_host *ha = to_qla_host(shost);
8314 uint32_t dev_db_start_offset;
8315 uint32_t dev_db_end_offset;
8316 struct dev_db_entry *fw_ddb_entry = NULL;
8317 dma_addr_t fw_ddb_entry_dma;
8318 uint16_t *ddb_cookie = NULL;
8319 size_t ddb_size = 0;
8320 void *pddb = NULL;
8321 int target_id;
8322 int rc = 0;
8323
8324 if (fnode_sess->is_boot_target) {
8325 rc = -EPERM;
8326 DEBUG2(ql4_printk(KERN_ERR, ha,
8327 "%s: Deletion of boot target entry is not permitted.\n",
8328 __func__));
8329 goto exit_ddb_del;
8330 }
8331
8332 if (fnode_sess->flash_state == DEV_DB_NON_PERSISTENT)
8333 goto sysfs_ddb_del;
8334
8335 if (is_qla40XX(ha)) {
8336 dev_db_start_offset = FLASH_OFFSET_DB_INFO;
8337 dev_db_end_offset = FLASH_OFFSET_DB_END;
8338 dev_db_start_offset += (fnode_sess->target_id *
8339 sizeof(*fw_ddb_entry));
8340 ddb_size = sizeof(*fw_ddb_entry);
8341 } else {
8342 dev_db_start_offset = FLASH_RAW_ACCESS_ADDR +
8343 (ha->hw.flt_region_ddb << 2);
8344
8345
8346
8347 if (ha->port_num == 1)
8348 dev_db_start_offset += (ha->hw.flt_ddb_size / 2);
8349
8350 dev_db_end_offset = dev_db_start_offset +
8351 (ha->hw.flt_ddb_size / 2);
8352
8353 dev_db_start_offset += (fnode_sess->target_id *
8354 sizeof(*fw_ddb_entry));
8355 dev_db_start_offset += offsetof(struct dev_db_entry, cookie);
8356
8357 ddb_size = sizeof(*ddb_cookie);
8358 }
8359
8360 DEBUG2(ql4_printk(KERN_ERR, ha, "%s: start offset=%u, end offset=%u\n",
8361 __func__, dev_db_start_offset, dev_db_end_offset));
8362
8363 if (dev_db_start_offset > dev_db_end_offset) {
8364 rc = -EIO;
8365 DEBUG2(ql4_printk(KERN_ERR, ha, "%s:Invalid DDB index %u\n",
8366 __func__, fnode_sess->target_id));
8367 goto exit_ddb_del;
8368 }
8369
8370 pddb = dma_alloc_coherent(&ha->pdev->dev, ddb_size,
8371 &fw_ddb_entry_dma, GFP_KERNEL);
8372 if (!pddb) {
8373 rc = -ENOMEM;
8374 DEBUG2(ql4_printk(KERN_ERR, ha,
8375 "%s: Unable to allocate dma buffer\n",
8376 __func__));
8377 goto exit_ddb_del;
8378 }
8379
8380 if (is_qla40XX(ha)) {
8381 fw_ddb_entry = pddb;
8382 memset(fw_ddb_entry, 0, ddb_size);
8383 ddb_cookie = &fw_ddb_entry->cookie;
8384 } else {
8385 ddb_cookie = pddb;
8386 }
8387
8388
8389 *ddb_cookie = 0xFFEE;
8390 qla4xxx_set_flash(ha, fw_ddb_entry_dma, dev_db_start_offset,
8391 ddb_size, FLASH_OPT_RMW_COMMIT);
8392
8393sysfs_ddb_del:
8394 target_id = fnode_sess->target_id;
8395 iscsi_destroy_flashnode_sess(fnode_sess);
8396 ql4_printk(KERN_INFO, ha,
8397 "%s: session and conn entries for flashnode %u of host %lu deleted\n",
8398 __func__, target_id, ha->host_no);
8399exit_ddb_del:
8400 if (pddb)
8401 dma_free_coherent(&ha->pdev->dev, ddb_size, pddb,
8402 fw_ddb_entry_dma);
8403 return rc;
8404}
8405
8406
8407
8408
8409
8410
8411
8412int qla4xxx_sysfs_ddb_export(struct scsi_qla_host *ha)
8413{
8414 struct dev_db_entry *fw_ddb_entry = NULL;
8415 dma_addr_t fw_ddb_entry_dma;
8416 uint16_t max_ddbs;
8417 uint16_t idx = 0;
8418 int ret = QLA_SUCCESS;
8419
8420 fw_ddb_entry = dma_alloc_coherent(&ha->pdev->dev,
8421 sizeof(*fw_ddb_entry),
8422 &fw_ddb_entry_dma, GFP_KERNEL);
8423 if (!fw_ddb_entry) {
8424 DEBUG2(ql4_printk(KERN_ERR, ha,
8425 "%s: Unable to allocate dma buffer\n",
8426 __func__));
8427 return -ENOMEM;
8428 }
8429
8430 max_ddbs = is_qla40XX(ha) ? MAX_PRST_DEV_DB_ENTRIES :
8431 MAX_DEV_DB_ENTRIES;
8432
8433 for (idx = 0; idx < max_ddbs; idx++) {
8434 if (qla4xxx_flashdb_by_index(ha, fw_ddb_entry, fw_ddb_entry_dma,
8435 idx))
8436 continue;
8437
8438 ret = qla4xxx_sysfs_ddb_tgt_create(ha, fw_ddb_entry, &idx, 0);
8439 if (ret) {
8440 ret = -EIO;
8441 break;
8442 }
8443 }
8444
8445 dma_free_coherent(&ha->pdev->dev, sizeof(*fw_ddb_entry), fw_ddb_entry,
8446 fw_ddb_entry_dma);
8447
8448 return ret;
8449}
8450
8451static void qla4xxx_sysfs_ddb_remove(struct scsi_qla_host *ha)
8452{
8453 iscsi_destroy_all_flashnode(ha->host);
8454}
8455
8456
8457
8458
8459
8460
8461
8462
8463
8464
8465
8466void qla4xxx_build_ddb_list(struct scsi_qla_host *ha, int is_reset)
8467{
8468 uint16_t tmo = 0;
8469 struct list_head list_st, list_nt;
8470 struct qla_ddb_index *st_ddb_idx, *st_ddb_idx_tmp;
8471 unsigned long wtime;
8472
8473 if (!test_bit(AF_LINK_UP, &ha->flags)) {
8474 set_bit(AF_BUILD_DDB_LIST, &ha->flags);
8475 ha->is_reset = is_reset;
8476 return;
8477 }
8478
8479 INIT_LIST_HEAD(&list_st);
8480 INIT_LIST_HEAD(&list_nt);
8481
8482 qla4xxx_build_st_list(ha, &list_st);
8483
8484
8485
8486
8487 qla4xxx_wait_for_ip_configuration(ha);
8488
8489
8490 list_for_each_entry_safe(st_ddb_idx, st_ddb_idx_tmp, &list_st, list) {
8491 qla4xxx_conn_open(ha, st_ddb_idx->fw_ddb_idx);
8492 }
8493
8494
8495 tmo = ((ha->def_timeout > LOGIN_TOV) &&
8496 (ha->def_timeout < LOGIN_TOV * 10) ?
8497 ha->def_timeout : LOGIN_TOV);
8498
8499 DEBUG2(ql4_printk(KERN_INFO, ha,
8500 "Default time to wait for build ddb %d\n", tmo));
8501
8502 wtime = jiffies + (HZ * tmo);
8503 do {
8504 if (list_empty(&list_st))
8505 break;
8506
8507 qla4xxx_remove_failed_ddb(ha, &list_st);
8508 schedule_timeout_uninterruptible(HZ / 10);
8509 } while (time_after(wtime, jiffies));
8510
8511
8512 qla4xxx_build_nt_list(ha, &list_nt, &list_st, is_reset);
8513
8514 qla4xxx_free_ddb_list(&list_st);
8515 qla4xxx_free_ddb_list(&list_nt);
8516
8517 qla4xxx_free_ddb_index(ha);
8518}
8519
8520
8521
8522
8523
8524
8525
8526
8527
8528
8529static void qla4xxx_wait_login_resp_boot_tgt(struct scsi_qla_host *ha)
8530{
8531 struct ddb_entry *ddb_entry;
8532 struct dev_db_entry *fw_ddb_entry = NULL;
8533 dma_addr_t fw_ddb_entry_dma;
8534 unsigned long wtime;
8535 uint32_t ddb_state;
8536 int max_ddbs, idx, ret;
8537
8538 max_ddbs = is_qla40XX(ha) ? MAX_DEV_DB_ENTRIES_40XX :
8539 MAX_DEV_DB_ENTRIES;
8540
8541 fw_ddb_entry = dma_alloc_coherent(&ha->pdev->dev, sizeof(*fw_ddb_entry),
8542 &fw_ddb_entry_dma, GFP_KERNEL);
8543 if (!fw_ddb_entry) {
8544 ql4_printk(KERN_ERR, ha,
8545 "%s: Unable to allocate dma buffer\n", __func__);
8546 goto exit_login_resp;
8547 }
8548
8549 wtime = jiffies + (HZ * BOOT_LOGIN_RESP_TOV);
8550
8551 for (idx = 0; idx < max_ddbs; idx++) {
8552 ddb_entry = qla4xxx_lookup_ddb_by_fw_index(ha, idx);
8553 if (ddb_entry == NULL)
8554 continue;
8555
8556 if (test_bit(DF_BOOT_TGT, &ddb_entry->flags)) {
8557 DEBUG2(ql4_printk(KERN_INFO, ha,
8558 "%s: DDB index [%d]\n", __func__,
8559 ddb_entry->fw_ddb_index));
8560 do {
8561 ret = qla4xxx_get_fwddb_entry(ha,
8562 ddb_entry->fw_ddb_index,
8563 fw_ddb_entry, fw_ddb_entry_dma,
8564 NULL, NULL, &ddb_state, NULL,
8565 NULL, NULL);
8566 if (ret == QLA_ERROR)
8567 goto exit_login_resp;
8568
8569 if ((ddb_state == DDB_DS_SESSION_ACTIVE) ||
8570 (ddb_state == DDB_DS_SESSION_FAILED))
8571 break;
8572
8573 schedule_timeout_uninterruptible(HZ);
8574
8575 } while ((time_after(wtime, jiffies)));
8576
8577 if (!time_after(wtime, jiffies)) {
8578 DEBUG2(ql4_printk(KERN_INFO, ha,
8579 "%s: Login response wait timer expired\n",
8580 __func__));
8581 goto exit_login_resp;
8582 }
8583 }
8584 }
8585
8586exit_login_resp:
8587 if (fw_ddb_entry)
8588 dma_free_coherent(&ha->pdev->dev, sizeof(*fw_ddb_entry),
8589 fw_ddb_entry, fw_ddb_entry_dma);
8590}
8591
8592
8593
8594
8595
8596
8597
8598
8599
8600
8601static int qla4xxx_probe_adapter(struct pci_dev *pdev,
8602 const struct pci_device_id *ent)
8603{
8604 int ret = -ENODEV, status;
8605 struct Scsi_Host *host;
8606 struct scsi_qla_host *ha;
8607 uint8_t init_retry_count = 0;
8608 char buf[34];
8609 struct qla4_8xxx_legacy_intr_set *nx_legacy_intr;
8610 uint32_t dev_state;
8611
8612 if (pci_enable_device(pdev))
8613 return -1;
8614
8615 host = iscsi_host_alloc(&qla4xxx_driver_template, sizeof(*ha), 0);
8616 if (host == NULL) {
8617 printk(KERN_WARNING
8618 "qla4xxx: Couldn't allocate host from scsi layer!\n");
8619 goto probe_disable_device;
8620 }
8621
8622
8623 ha = to_qla_host(host);
8624 memset(ha, 0, sizeof(*ha));
8625
8626
8627 ha->pdev = pdev;
8628 ha->host = host;
8629 ha->host_no = host->host_no;
8630 ha->func_num = PCI_FUNC(ha->pdev->devfn);
8631
8632 pci_enable_pcie_error_reporting(pdev);
8633
8634
8635 if (is_qla8022(ha)) {
8636 ha->isp_ops = &qla4_82xx_isp_ops;
8637 ha->reg_tbl = (uint32_t *) qla4_82xx_reg_tbl;
8638 ha->qdr_sn_window = -1;
8639 ha->ddr_mn_window = -1;
8640 ha->curr_window = 255;
8641 nx_legacy_intr = &legacy_intr[ha->func_num];
8642 ha->nx_legacy_intr.int_vec_bit = nx_legacy_intr->int_vec_bit;
8643 ha->nx_legacy_intr.tgt_status_reg =
8644 nx_legacy_intr->tgt_status_reg;
8645 ha->nx_legacy_intr.tgt_mask_reg = nx_legacy_intr->tgt_mask_reg;
8646 ha->nx_legacy_intr.pci_int_reg = nx_legacy_intr->pci_int_reg;
8647 } else if (is_qla8032(ha) || is_qla8042(ha)) {
8648 ha->isp_ops = &qla4_83xx_isp_ops;
8649 ha->reg_tbl = (uint32_t *)qla4_83xx_reg_tbl;
8650 } else {
8651 ha->isp_ops = &qla4xxx_isp_ops;
8652 }
8653
8654 if (is_qla80XX(ha)) {
8655 rwlock_init(&ha->hw_lock);
8656 ha->pf_bit = ha->func_num << 16;
8657
8658 pdev->needs_freset = 1;
8659 }
8660
8661
8662 ret = ha->isp_ops->iospace_config(ha);
8663 if (ret)
8664 goto probe_failed_ioconfig;
8665
8666 ql4_printk(KERN_INFO, ha, "Found an ISP%04x, irq %d, iobase 0x%p\n",
8667 pdev->device, pdev->irq, ha->reg);
8668
8669 qla4xxx_config_dma_addressing(ha);
8670
8671
8672 INIT_LIST_HEAD(&ha->free_srb_q);
8673
8674 mutex_init(&ha->mbox_sem);
8675 mutex_init(&ha->chap_sem);
8676 init_completion(&ha->mbx_intr_comp);
8677 init_completion(&ha->disable_acb_comp);
8678 init_completion(&ha->idc_comp);
8679 init_completion(&ha->link_up_comp);
8680 init_completion(&ha->disable_acb_comp);
8681
8682 spin_lock_init(&ha->hardware_lock);
8683 spin_lock_init(&ha->work_lock);
8684
8685
8686 INIT_LIST_HEAD(&ha->work_list);
8687
8688
8689 if (qla4xxx_mem_alloc(ha)) {
8690 ql4_printk(KERN_WARNING, ha,
8691 "[ERROR] Failed to allocate memory for adapter\n");
8692
8693 ret = -ENOMEM;
8694 goto probe_failed;
8695 }
8696
8697 host->cmd_per_lun = 3;
8698 host->max_channel = 0;
8699 host->max_lun = MAX_LUNS - 1;
8700 host->max_id = MAX_TARGETS;
8701 host->max_cmd_len = IOCB_MAX_CDB_LEN;
8702 host->can_queue = MAX_SRBS ;
8703 host->transportt = qla4xxx_scsi_transport;
8704
8705 ret = scsi_init_shared_tag_map(host, MAX_SRBS);
8706 if (ret) {
8707 ql4_printk(KERN_WARNING, ha,
8708 "%s: scsi_init_shared_tag_map failed\n", __func__);
8709 goto probe_failed;
8710 }
8711
8712 pci_set_drvdata(pdev, ha);
8713
8714 ret = scsi_add_host(host, &pdev->dev);
8715 if (ret)
8716 goto probe_failed;
8717
8718 if (is_qla80XX(ha))
8719 qla4_8xxx_get_flash_info(ha);
8720
8721 if (is_qla8032(ha) || is_qla8042(ha)) {
8722 qla4_83xx_read_reset_template(ha);
8723
8724
8725
8726
8727
8728
8729 if (ql4xdontresethba == 1)
8730 qla4_83xx_set_idc_dontreset(ha);
8731 }
8732
8733
8734
8735
8736
8737
8738 status = qla4xxx_initialize_adapter(ha, INIT_ADAPTER);
8739
8740
8741 if (is_qla80XX(ha) && (status == QLA_ERROR))
8742 goto skip_retry_init;
8743
8744 while ((!test_bit(AF_ONLINE, &ha->flags)) &&
8745 init_retry_count++ < MAX_INIT_RETRIES) {
8746
8747 if (is_qla80XX(ha)) {
8748 ha->isp_ops->idc_lock(ha);
8749 dev_state = qla4_8xxx_rd_direct(ha,
8750 QLA8XXX_CRB_DEV_STATE);
8751 ha->isp_ops->idc_unlock(ha);
8752 if (dev_state == QLA8XXX_DEV_FAILED) {
8753 ql4_printk(KERN_WARNING, ha, "%s: don't retry "
8754 "initialize adapter. H/W is in failed state\n",
8755 __func__);
8756 break;
8757 }
8758 }
8759 DEBUG2(printk("scsi: %s: retrying adapter initialization "
8760 "(%d)\n", __func__, init_retry_count));
8761
8762 if (ha->isp_ops->reset_chip(ha) == QLA_ERROR)
8763 continue;
8764
8765 status = qla4xxx_initialize_adapter(ha, INIT_ADAPTER);
8766 if (is_qla80XX(ha) && (status == QLA_ERROR)) {
8767 if (qla4_8xxx_check_init_adapter_retry(ha) == QLA_ERROR)
8768 goto skip_retry_init;
8769 }
8770 }
8771
8772skip_retry_init:
8773 if (!test_bit(AF_ONLINE, &ha->flags)) {
8774 ql4_printk(KERN_WARNING, ha, "Failed to initialize adapter\n");
8775
8776 if ((is_qla8022(ha) && ql4xdontresethba) ||
8777 ((is_qla8032(ha) || is_qla8042(ha)) &&
8778 qla4_83xx_idc_dontreset(ha))) {
8779
8780 DEBUG2(printk(KERN_ERR "HW STATE: FAILED\n"));
8781 ha->isp_ops->idc_lock(ha);
8782 qla4_8xxx_wr_direct(ha, QLA8XXX_CRB_DEV_STATE,
8783 QLA8XXX_DEV_FAILED);
8784 ha->isp_ops->idc_unlock(ha);
8785 }
8786 ret = -ENODEV;
8787 goto remove_host;
8788 }
8789
8790
8791 DEBUG2(printk("scsi: %s: Starting kernel thread for "
8792 "qla4xxx_dpc\n", __func__));
8793 sprintf(buf, "qla4xxx_%lu_dpc", ha->host_no);
8794 ha->dpc_thread = create_singlethread_workqueue(buf);
8795 if (!ha->dpc_thread) {
8796 ql4_printk(KERN_WARNING, ha, "Unable to start DPC thread!\n");
8797 ret = -ENODEV;
8798 goto remove_host;
8799 }
8800 INIT_WORK(&ha->dpc_work, qla4xxx_do_dpc);
8801
8802 ha->task_wq = alloc_workqueue("qla4xxx_%lu_task", WQ_MEM_RECLAIM, 1,
8803 ha->host_no);
8804 if (!ha->task_wq) {
8805 ql4_printk(KERN_WARNING, ha, "Unable to start task thread!\n");
8806 ret = -ENODEV;
8807 goto remove_host;
8808 }
8809
8810
8811
8812
8813
8814
8815
8816 if (is_qla40XX(ha)) {
8817 ret = qla4xxx_request_irqs(ha);
8818 if (ret) {
8819 ql4_printk(KERN_WARNING, ha, "Failed to reserve "
8820 "interrupt %d already in use.\n", pdev->irq);
8821 goto remove_host;
8822 }
8823 }
8824
8825 pci_save_state(ha->pdev);
8826 ha->isp_ops->enable_intrs(ha);
8827
8828
8829 qla4xxx_start_timer(ha, qla4xxx_timer, 1);
8830
8831 set_bit(AF_INIT_DONE, &ha->flags);
8832
8833 qla4_8xxx_alloc_sysfs_attr(ha);
8834
8835 printk(KERN_INFO
8836 " QLogic iSCSI HBA Driver version: %s\n"
8837 " QLogic ISP%04x @ %s, host#=%ld, fw=%02d.%02d.%02d.%02d\n",
8838 qla4xxx_version_str, ha->pdev->device, pci_name(ha->pdev),
8839 ha->host_no, ha->fw_info.fw_major, ha->fw_info.fw_minor,
8840 ha->fw_info.fw_patch, ha->fw_info.fw_build);
8841
8842
8843 if (is_qla80XX(ha))
8844 qla4_8xxx_set_param(ha, SET_DRVR_VERSION);
8845
8846 if (qla4xxx_setup_boot_info(ha))
8847 ql4_printk(KERN_ERR, ha,
8848 "%s: No iSCSI boot target configured\n", __func__);
8849
8850 set_bit(DPC_SYSFS_DDB_EXPORT, &ha->dpc_flags);
8851
8852 qla4xxx_build_ddb_list(ha, INIT_ADAPTER);
8853 iscsi_host_for_each_session(ha->host, qla4xxx_login_flash_ddb);
8854 qla4xxx_wait_login_resp_boot_tgt(ha);
8855
8856 qla4xxx_create_chap_list(ha);
8857
8858 qla4xxx_create_ifaces(ha);
8859 return 0;
8860
8861remove_host:
8862 scsi_remove_host(ha->host);
8863
8864probe_failed:
8865 qla4xxx_free_adapter(ha);
8866
8867probe_failed_ioconfig:
8868 pci_disable_pcie_error_reporting(pdev);
8869 scsi_host_put(ha->host);
8870
8871probe_disable_device:
8872 pci_disable_device(pdev);
8873
8874 return ret;
8875}
8876
8877
8878
8879
8880
8881
8882
8883
8884
8885static void qla4xxx_prevent_other_port_reinit(struct scsi_qla_host *ha)
8886{
8887 struct scsi_qla_host *other_ha = NULL;
8888 struct pci_dev *other_pdev = NULL;
8889 int fn = ISP4XXX_PCI_FN_2;
8890
8891
8892 if (PCI_FUNC(ha->pdev->devfn) & BIT_1)
8893 fn = ISP4XXX_PCI_FN_1;
8894
8895 other_pdev =
8896 pci_get_domain_bus_and_slot(pci_domain_nr(ha->pdev->bus),
8897 ha->pdev->bus->number, PCI_DEVFN(PCI_SLOT(ha->pdev->devfn),
8898 fn));
8899
8900
8901 if (other_pdev) {
8902 if (atomic_read(&other_pdev->enable_cnt)) {
8903 other_ha = pci_get_drvdata(other_pdev);
8904 if (other_ha) {
8905 set_bit(AF_HA_REMOVAL, &other_ha->flags);
8906 DEBUG2(ql4_printk(KERN_INFO, ha, "%s: "
8907 "Prevent %s reinit\n", __func__,
8908 dev_name(&other_ha->pdev->dev)));
8909 }
8910 }
8911 pci_dev_put(other_pdev);
8912 }
8913}
8914
8915static void qla4xxx_destroy_ddb(struct scsi_qla_host *ha,
8916 struct ddb_entry *ddb_entry)
8917{
8918 struct dev_db_entry *fw_ddb_entry = NULL;
8919 dma_addr_t fw_ddb_entry_dma;
8920 unsigned long wtime;
8921 uint32_t ddb_state;
8922 int options;
8923 int status;
8924
8925 options = LOGOUT_OPTION_CLOSE_SESSION;
8926 if (qla4xxx_session_logout_ddb(ha, ddb_entry, options) == QLA_ERROR) {
8927 ql4_printk(KERN_ERR, ha, "%s: Logout failed\n", __func__);
8928 goto clear_ddb;
8929 }
8930
8931 fw_ddb_entry = dma_alloc_coherent(&ha->pdev->dev, sizeof(*fw_ddb_entry),
8932 &fw_ddb_entry_dma, GFP_KERNEL);
8933 if (!fw_ddb_entry) {
8934 ql4_printk(KERN_ERR, ha,
8935 "%s: Unable to allocate dma buffer\n", __func__);
8936 goto clear_ddb;
8937 }
8938
8939 wtime = jiffies + (HZ * LOGOUT_TOV);
8940 do {
8941 status = qla4xxx_get_fwddb_entry(ha, ddb_entry->fw_ddb_index,
8942 fw_ddb_entry, fw_ddb_entry_dma,
8943 NULL, NULL, &ddb_state, NULL,
8944 NULL, NULL);
8945 if (status == QLA_ERROR)
8946 goto free_ddb;
8947
8948 if ((ddb_state == DDB_DS_NO_CONNECTION_ACTIVE) ||
8949 (ddb_state == DDB_DS_SESSION_FAILED))
8950 goto free_ddb;
8951
8952 schedule_timeout_uninterruptible(HZ);
8953 } while ((time_after(wtime, jiffies)));
8954
8955free_ddb:
8956 dma_free_coherent(&ha->pdev->dev, sizeof(*fw_ddb_entry),
8957 fw_ddb_entry, fw_ddb_entry_dma);
8958clear_ddb:
8959 qla4xxx_clear_ddb_entry(ha, ddb_entry->fw_ddb_index);
8960}
8961
8962static void qla4xxx_destroy_fw_ddb_session(struct scsi_qla_host *ha)
8963{
8964 struct ddb_entry *ddb_entry;
8965 int idx;
8966
8967 for (idx = 0; idx < MAX_DDB_ENTRIES; idx++) {
8968
8969 ddb_entry = qla4xxx_lookup_ddb_by_fw_index(ha, idx);
8970 if ((ddb_entry != NULL) &&
8971 (ddb_entry->ddb_type == FLASH_DDB)) {
8972
8973 qla4xxx_destroy_ddb(ha, ddb_entry);
8974
8975
8976
8977
8978
8979
8980 try_module_get(qla4xxx_iscsi_transport.owner);
8981 iscsi_destroy_endpoint(ddb_entry->conn->ep);
8982 qla4xxx_free_ddb(ha, ddb_entry);
8983 iscsi_session_teardown(ddb_entry->sess);
8984 }
8985 }
8986}
8987
8988
8989
8990
8991static void qla4xxx_remove_adapter(struct pci_dev *pdev)
8992{
8993 struct scsi_qla_host *ha;
8994
8995
8996
8997
8998
8999 if (!pci_is_enabled(pdev))
9000 return;
9001
9002 ha = pci_get_drvdata(pdev);
9003
9004 if (is_qla40XX(ha))
9005 qla4xxx_prevent_other_port_reinit(ha);
9006
9007
9008 qla4xxx_destroy_ifaces(ha);
9009
9010 if ((!ql4xdisablesysfsboot) && ha->boot_kset)
9011 iscsi_boot_destroy_kset(ha->boot_kset);
9012
9013 qla4xxx_destroy_fw_ddb_session(ha);
9014 qla4_8xxx_free_sysfs_attr(ha);
9015
9016 qla4xxx_sysfs_ddb_remove(ha);
9017 scsi_remove_host(ha->host);
9018
9019 qla4xxx_free_adapter(ha);
9020
9021 scsi_host_put(ha->host);
9022
9023 pci_disable_pcie_error_reporting(pdev);
9024 pci_disable_device(pdev);
9025}
9026
9027
9028
9029
9030
9031
9032
9033
9034static void qla4xxx_config_dma_addressing(struct scsi_qla_host *ha)
9035{
9036 int retval;
9037
9038
9039 if (pci_set_dma_mask(ha->pdev, DMA_BIT_MASK(64)) == 0) {
9040 if (pci_set_consistent_dma_mask(ha->pdev, DMA_BIT_MASK(64))) {
9041 dev_dbg(&ha->pdev->dev,
9042 "Failed to set 64 bit PCI consistent mask; "
9043 "using 32 bit.\n");
9044 retval = pci_set_consistent_dma_mask(ha->pdev,
9045 DMA_BIT_MASK(32));
9046 }
9047 } else
9048 retval = pci_set_dma_mask(ha->pdev, DMA_BIT_MASK(32));
9049}
9050
9051static int qla4xxx_slave_alloc(struct scsi_device *sdev)
9052{
9053 struct iscsi_cls_session *cls_sess;
9054 struct iscsi_session *sess;
9055 struct ddb_entry *ddb;
9056 int queue_depth = QL4_DEF_QDEPTH;
9057
9058 cls_sess = starget_to_session(sdev->sdev_target);
9059 sess = cls_sess->dd_data;
9060 ddb = sess->dd_data;
9061
9062 sdev->hostdata = ddb;
9063 sdev->tagged_supported = 1;
9064
9065 if (ql4xmaxqdepth != 0 && ql4xmaxqdepth <= 0xffffU)
9066 queue_depth = ql4xmaxqdepth;
9067
9068 scsi_activate_tcq(sdev, queue_depth);
9069 return 0;
9070}
9071
9072static int qla4xxx_slave_configure(struct scsi_device *sdev)
9073{
9074 sdev->tagged_supported = 1;
9075 return 0;
9076}
9077
9078static void qla4xxx_slave_destroy(struct scsi_device *sdev)
9079{
9080 scsi_deactivate_tcq(sdev, 1);
9081}
9082
9083static int qla4xxx_change_queue_depth(struct scsi_device *sdev, int qdepth,
9084 int reason)
9085{
9086 if (!ql4xqfulltracking)
9087 return -EOPNOTSUPP;
9088
9089 return iscsi_change_queue_depth(sdev, qdepth, reason);
9090}
9091
9092
9093
9094
9095
9096
9097
9098
9099struct srb *qla4xxx_del_from_active_array(struct scsi_qla_host *ha,
9100 uint32_t index)
9101{
9102 struct srb *srb = NULL;
9103 struct scsi_cmnd *cmd = NULL;
9104
9105 cmd = scsi_host_find_tag(ha->host, index);
9106 if (!cmd)
9107 return srb;
9108
9109 srb = (struct srb *)CMD_SP(cmd);
9110 if (!srb)
9111 return srb;
9112
9113
9114 if (srb->flags & SRB_DMA_VALID) {
9115 ha->iocb_cnt -= srb->iocb_cnt;
9116 if (srb->cmd)
9117 srb->cmd->host_scribble =
9118 (unsigned char *)(unsigned long) MAX_SRBS;
9119 }
9120 return srb;
9121}
9122
9123
9124
9125
9126
9127
9128
9129
9130
9131static int qla4xxx_eh_wait_on_command(struct scsi_qla_host *ha,
9132 struct scsi_cmnd *cmd)
9133{
9134 int done = 0;
9135 struct srb *rp;
9136 uint32_t max_wait_time = EH_WAIT_CMD_TOV;
9137 int ret = SUCCESS;
9138
9139
9140
9141
9142 if (unlikely(pci_channel_offline(ha->pdev)) ||
9143 (test_bit(AF_EEH_BUSY, &ha->flags))) {
9144 ql4_printk(KERN_WARNING, ha, "scsi%ld: Return from %s\n",
9145 ha->host_no, __func__);
9146 return ret;
9147 }
9148
9149 do {
9150
9151 rp = (struct srb *) CMD_SP(cmd);
9152 if (rp == NULL) {
9153 done++;
9154 break;
9155 }
9156
9157 msleep(2000);
9158 } while (max_wait_time--);
9159
9160 return done;
9161}
9162
9163
9164
9165
9166
9167static int qla4xxx_wait_for_hba_online(struct scsi_qla_host *ha)
9168{
9169 unsigned long wait_online;
9170
9171 wait_online = jiffies + (HBA_ONLINE_TOV * HZ);
9172 while (time_before(jiffies, wait_online)) {
9173
9174 if (adapter_up(ha))
9175 return QLA_SUCCESS;
9176
9177 msleep(2000);
9178 }
9179
9180 return QLA_ERROR;
9181}
9182
9183
9184
9185
9186
9187
9188
9189
9190
9191
9192static int qla4xxx_eh_wait_for_commands(struct scsi_qla_host *ha,
9193 struct scsi_target *stgt,
9194 struct scsi_device *sdev)
9195{
9196 int cnt;
9197 int status = 0;
9198 struct scsi_cmnd *cmd;
9199
9200
9201
9202
9203
9204 for (cnt = 0; cnt < ha->host->can_queue; cnt++) {
9205 cmd = scsi_host_find_tag(ha->host, cnt);
9206 if (cmd && stgt == scsi_target(cmd->device) &&
9207 (!sdev || sdev == cmd->device)) {
9208 if (!qla4xxx_eh_wait_on_command(ha, cmd)) {
9209 status++;
9210 break;
9211 }
9212 }
9213 }
9214 return status;
9215}
9216
9217
9218
9219
9220
9221
9222
9223
9224static int qla4xxx_eh_abort(struct scsi_cmnd *cmd)
9225{
9226 struct scsi_qla_host *ha = to_qla_host(cmd->device->host);
9227 unsigned int id = cmd->device->id;
9228 uint64_t lun = cmd->device->lun;
9229 unsigned long flags;
9230 struct srb *srb = NULL;
9231 int ret = SUCCESS;
9232 int wait = 0;
9233
9234 ql4_printk(KERN_INFO, ha, "scsi%ld:%d:%llu: Abort command issued cmd=%p, cdb=0x%x\n",
9235 ha->host_no, id, lun, cmd, cmd->cmnd[0]);
9236
9237 spin_lock_irqsave(&ha->hardware_lock, flags);
9238 srb = (struct srb *) CMD_SP(cmd);
9239 if (!srb) {
9240 spin_unlock_irqrestore(&ha->hardware_lock, flags);
9241 ql4_printk(KERN_INFO, ha, "scsi%ld:%d:%llu: Specified command has already completed.\n",
9242 ha->host_no, id, lun);
9243 return SUCCESS;
9244 }
9245 kref_get(&srb->srb_ref);
9246 spin_unlock_irqrestore(&ha->hardware_lock, flags);
9247
9248 if (qla4xxx_abort_task(ha, srb) != QLA_SUCCESS) {
9249 DEBUG3(printk("scsi%ld:%d:%llu: Abort_task mbx failed.\n",
9250 ha->host_no, id, lun));
9251 ret = FAILED;
9252 } else {
9253 DEBUG3(printk("scsi%ld:%d:%llu: Abort_task mbx success.\n",
9254 ha->host_no, id, lun));
9255 wait = 1;
9256 }
9257
9258 kref_put(&srb->srb_ref, qla4xxx_srb_compl);
9259
9260
9261 if (wait) {
9262 if (!qla4xxx_eh_wait_on_command(ha, cmd)) {
9263 DEBUG2(printk("scsi%ld:%d:%llu: Abort handler timed out\n",
9264 ha->host_no, id, lun));
9265 ret = FAILED;
9266 }
9267 }
9268
9269 ql4_printk(KERN_INFO, ha,
9270 "scsi%ld:%d:%llu: Abort command - %s\n",
9271 ha->host_no, id, lun, (ret == SUCCESS) ? "succeeded" : "failed");
9272
9273 return ret;
9274}
9275
9276
9277
9278
9279
9280
9281
9282
9283static int qla4xxx_eh_device_reset(struct scsi_cmnd *cmd)
9284{
9285 struct scsi_qla_host *ha = to_qla_host(cmd->device->host);
9286 struct ddb_entry *ddb_entry = cmd->device->hostdata;
9287 int ret = FAILED, stat;
9288
9289 if (!ddb_entry)
9290 return ret;
9291
9292 ret = iscsi_block_scsi_eh(cmd);
9293 if (ret)
9294 return ret;
9295 ret = FAILED;
9296
9297 ql4_printk(KERN_INFO, ha,
9298 "scsi%ld:%d:%d:%llu: DEVICE RESET ISSUED.\n", ha->host_no,
9299 cmd->device->channel, cmd->device->id, cmd->device->lun);
9300
9301 DEBUG2(printk(KERN_INFO
9302 "scsi%ld: DEVICE_RESET cmd=%p jiffies = 0x%lx, to=%x,"
9303 "dpc_flags=%lx, status=%x allowed=%d\n", ha->host_no,
9304 cmd, jiffies, cmd->request->timeout / HZ,
9305 ha->dpc_flags, cmd->result, cmd->allowed));
9306
9307
9308 stat = qla4xxx_reset_lun(ha, ddb_entry, cmd->device->lun);
9309 if (stat != QLA_SUCCESS) {
9310 ql4_printk(KERN_INFO, ha, "DEVICE RESET FAILED. %d\n", stat);
9311 goto eh_dev_reset_done;
9312 }
9313
9314 if (qla4xxx_eh_wait_for_commands(ha, scsi_target(cmd->device),
9315 cmd->device)) {
9316 ql4_printk(KERN_INFO, ha,
9317 "DEVICE RESET FAILED - waiting for "
9318 "commands.\n");
9319 goto eh_dev_reset_done;
9320 }
9321
9322
9323 if (qla4xxx_send_marker_iocb(ha, ddb_entry, cmd->device->lun,
9324 MM_LUN_RESET) != QLA_SUCCESS)
9325 goto eh_dev_reset_done;
9326
9327 ql4_printk(KERN_INFO, ha,
9328 "scsi(%ld:%d:%d:%llu): DEVICE RESET SUCCEEDED.\n",
9329 ha->host_no, cmd->device->channel, cmd->device->id,
9330 cmd->device->lun);
9331
9332 ret = SUCCESS;
9333
9334eh_dev_reset_done:
9335
9336 return ret;
9337}
9338
9339
9340
9341
9342
9343
9344
9345static int qla4xxx_eh_target_reset(struct scsi_cmnd *cmd)
9346{
9347 struct scsi_qla_host *ha = to_qla_host(cmd->device->host);
9348 struct ddb_entry *ddb_entry = cmd->device->hostdata;
9349 int stat, ret;
9350
9351 if (!ddb_entry)
9352 return FAILED;
9353
9354 ret = iscsi_block_scsi_eh(cmd);
9355 if (ret)
9356 return ret;
9357
9358 starget_printk(KERN_INFO, scsi_target(cmd->device),
9359 "WARM TARGET RESET ISSUED.\n");
9360
9361 DEBUG2(printk(KERN_INFO
9362 "scsi%ld: TARGET_DEVICE_RESET cmd=%p jiffies = 0x%lx, "
9363 "to=%x,dpc_flags=%lx, status=%x allowed=%d\n",
9364 ha->host_no, cmd, jiffies, cmd->request->timeout / HZ,
9365 ha->dpc_flags, cmd->result, cmd->allowed));
9366
9367 stat = qla4xxx_reset_target(ha, ddb_entry);
9368 if (stat != QLA_SUCCESS) {
9369 starget_printk(KERN_INFO, scsi_target(cmd->device),
9370 "WARM TARGET RESET FAILED.\n");
9371 return FAILED;
9372 }
9373
9374 if (qla4xxx_eh_wait_for_commands(ha, scsi_target(cmd->device),
9375 NULL)) {
9376 starget_printk(KERN_INFO, scsi_target(cmd->device),
9377 "WARM TARGET DEVICE RESET FAILED - "
9378 "waiting for commands.\n");
9379 return FAILED;
9380 }
9381
9382
9383 if (qla4xxx_send_marker_iocb(ha, ddb_entry, cmd->device->lun,
9384 MM_TGT_WARM_RESET) != QLA_SUCCESS) {
9385 starget_printk(KERN_INFO, scsi_target(cmd->device),
9386 "WARM TARGET DEVICE RESET FAILED - "
9387 "marker iocb failed.\n");
9388 return FAILED;
9389 }
9390
9391 starget_printk(KERN_INFO, scsi_target(cmd->device),
9392 "WARM TARGET RESET SUCCEEDED.\n");
9393 return SUCCESS;
9394}
9395
9396
9397
9398
9399
9400
9401
9402
9403static int qla4xxx_is_eh_active(struct Scsi_Host *shost)
9404{
9405 if (shost->shost_state == SHOST_RECOVERY)
9406 return 1;
9407 return 0;
9408}
9409
9410
9411
9412
9413
9414
9415
9416
9417static int qla4xxx_eh_host_reset(struct scsi_cmnd *cmd)
9418{
9419 int return_status = FAILED;
9420 struct scsi_qla_host *ha;
9421
9422 ha = to_qla_host(cmd->device->host);
9423
9424 if ((is_qla8032(ha) || is_qla8042(ha)) && ql4xdontresethba)
9425 qla4_83xx_set_idc_dontreset(ha);
9426
9427
9428
9429
9430
9431 if (ql4xdontresethba ||
9432 ((is_qla8032(ha) || is_qla8042(ha)) &&
9433 qla4_83xx_idc_dontreset(ha))) {
9434 DEBUG2(printk("scsi%ld: %s: Don't Reset HBA\n",
9435 ha->host_no, __func__));
9436
9437
9438 if (qla4xxx_is_eh_active(cmd->device->host))
9439 qla4xxx_abort_active_cmds(ha, DID_ABORT << 16);
9440
9441 return FAILED;
9442 }
9443
9444 ql4_printk(KERN_INFO, ha,
9445 "scsi(%ld:%d:%d:%llu): HOST RESET ISSUED.\n", ha->host_no,
9446 cmd->device->channel, cmd->device->id, cmd->device->lun);
9447
9448 if (qla4xxx_wait_for_hba_online(ha) != QLA_SUCCESS) {
9449 DEBUG2(printk("scsi%ld:%d: %s: Unable to reset host. Adapter "
9450 "DEAD.\n", ha->host_no, cmd->device->channel,
9451 __func__));
9452
9453 return FAILED;
9454 }
9455
9456 if (!test_bit(DPC_RESET_HA, &ha->dpc_flags)) {
9457 if (is_qla80XX(ha))
9458 set_bit(DPC_RESET_HA_FW_CONTEXT, &ha->dpc_flags);
9459 else
9460 set_bit(DPC_RESET_HA, &ha->dpc_flags);
9461 }
9462
9463 if (qla4xxx_recover_adapter(ha) == QLA_SUCCESS)
9464 return_status = SUCCESS;
9465
9466 ql4_printk(KERN_INFO, ha, "HOST RESET %s.\n",
9467 return_status == FAILED ? "FAILED" : "SUCCEEDED");
9468
9469 return return_status;
9470}
9471
9472static int qla4xxx_context_reset(struct scsi_qla_host *ha)
9473{
9474 uint32_t mbox_cmd[MBOX_REG_COUNT];
9475 uint32_t mbox_sts[MBOX_REG_COUNT];
9476 struct addr_ctrl_blk_def *acb = NULL;
9477 uint32_t acb_len = sizeof(struct addr_ctrl_blk_def);
9478 int rval = QLA_SUCCESS;
9479 dma_addr_t acb_dma;
9480
9481 acb = dma_alloc_coherent(&ha->pdev->dev,
9482 sizeof(struct addr_ctrl_blk_def),
9483 &acb_dma, GFP_KERNEL);
9484 if (!acb) {
9485 ql4_printk(KERN_ERR, ha, "%s: Unable to alloc acb\n",
9486 __func__);
9487 rval = -ENOMEM;
9488 goto exit_port_reset;
9489 }
9490
9491 memset(acb, 0, acb_len);
9492
9493 rval = qla4xxx_get_acb(ha, acb_dma, PRIMARI_ACB, acb_len);
9494 if (rval != QLA_SUCCESS) {
9495 rval = -EIO;
9496 goto exit_free_acb;
9497 }
9498
9499 rval = qla4xxx_disable_acb(ha);
9500 if (rval != QLA_SUCCESS) {
9501 rval = -EIO;
9502 goto exit_free_acb;
9503 }
9504
9505 wait_for_completion_timeout(&ha->disable_acb_comp,
9506 DISABLE_ACB_TOV * HZ);
9507
9508 rval = qla4xxx_set_acb(ha, &mbox_cmd[0], &mbox_sts[0], acb_dma);
9509 if (rval != QLA_SUCCESS) {
9510 rval = -EIO;
9511 goto exit_free_acb;
9512 }
9513
9514exit_free_acb:
9515 dma_free_coherent(&ha->pdev->dev, sizeof(struct addr_ctrl_blk_def),
9516 acb, acb_dma);
9517exit_port_reset:
9518 DEBUG2(ql4_printk(KERN_INFO, ha, "%s %s\n", __func__,
9519 rval == QLA_SUCCESS ? "SUCCEEDED" : "FAILED"));
9520 return rval;
9521}
9522
9523static int qla4xxx_host_reset(struct Scsi_Host *shost, int reset_type)
9524{
9525 struct scsi_qla_host *ha = to_qla_host(shost);
9526 int rval = QLA_SUCCESS;
9527 uint32_t idc_ctrl;
9528
9529 if (ql4xdontresethba) {
9530 DEBUG2(ql4_printk(KERN_INFO, ha, "%s: Don't Reset HBA\n",
9531 __func__));
9532 rval = -EPERM;
9533 goto exit_host_reset;
9534 }
9535
9536 if (test_bit(DPC_RESET_HA, &ha->dpc_flags))
9537 goto recover_adapter;
9538
9539 switch (reset_type) {
9540 case SCSI_ADAPTER_RESET:
9541 set_bit(DPC_RESET_HA, &ha->dpc_flags);
9542 break;
9543 case SCSI_FIRMWARE_RESET:
9544 if (!test_bit(DPC_RESET_HA, &ha->dpc_flags)) {
9545 if (is_qla80XX(ha))
9546
9547 set_bit(DPC_RESET_HA_FW_CONTEXT,
9548 &ha->dpc_flags);
9549 else {
9550 rval = qla4xxx_context_reset(ha);
9551 goto exit_host_reset;
9552 }
9553 }
9554 break;
9555 }
9556
9557recover_adapter:
9558
9559
9560 if ((is_qla8032(ha) || is_qla8042(ha)) &&
9561 test_bit(DPC_RESET_HA, &ha->dpc_flags)) {
9562 idc_ctrl = qla4_83xx_rd_reg(ha, QLA83XX_IDC_DRV_CTRL);
9563 qla4_83xx_wr_reg(ha, QLA83XX_IDC_DRV_CTRL,
9564 (idc_ctrl | GRACEFUL_RESET_BIT1));
9565 }
9566
9567 rval = qla4xxx_recover_adapter(ha);
9568 if (rval != QLA_SUCCESS) {
9569 DEBUG2(ql4_printk(KERN_INFO, ha, "%s: recover adapter fail\n",
9570 __func__));
9571 rval = -EIO;
9572 }
9573
9574exit_host_reset:
9575 return rval;
9576}
9577
9578
9579
9580
9581
9582
9583
9584
9585
9586
9587
9588
9589
9590
9591
9592
9593static pci_ers_result_t
9594qla4xxx_pci_error_detected(struct pci_dev *pdev, pci_channel_state_t state)
9595{
9596 struct scsi_qla_host *ha = pci_get_drvdata(pdev);
9597
9598 ql4_printk(KERN_WARNING, ha, "scsi%ld: %s: error detected:state %x\n",
9599 ha->host_no, __func__, state);
9600
9601 if (!is_aer_supported(ha))
9602 return PCI_ERS_RESULT_NONE;
9603
9604 switch (state) {
9605 case pci_channel_io_normal:
9606 clear_bit(AF_EEH_BUSY, &ha->flags);
9607 return PCI_ERS_RESULT_CAN_RECOVER;
9608 case pci_channel_io_frozen:
9609 set_bit(AF_EEH_BUSY, &ha->flags);
9610 qla4xxx_mailbox_premature_completion(ha);
9611 qla4xxx_free_irqs(ha);
9612 pci_disable_device(pdev);
9613
9614 qla4xxx_abort_active_cmds(ha, DID_RESET << 16);
9615 return PCI_ERS_RESULT_NEED_RESET;
9616 case pci_channel_io_perm_failure:
9617 set_bit(AF_EEH_BUSY, &ha->flags);
9618 set_bit(AF_PCI_CHANNEL_IO_PERM_FAILURE, &ha->flags);
9619 qla4xxx_abort_active_cmds(ha, DID_NO_CONNECT << 16);
9620 return PCI_ERS_RESULT_DISCONNECT;
9621 }
9622 return PCI_ERS_RESULT_NEED_RESET;
9623}
9624
9625
9626
9627
9628
9629
9630static pci_ers_result_t
9631qla4xxx_pci_mmio_enabled(struct pci_dev *pdev)
9632{
9633 struct scsi_qla_host *ha = pci_get_drvdata(pdev);
9634
9635 if (!is_aer_supported(ha))
9636 return PCI_ERS_RESULT_NONE;
9637
9638 return PCI_ERS_RESULT_RECOVERED;
9639}
9640
9641static uint32_t qla4_8xxx_error_recovery(struct scsi_qla_host *ha)
9642{
9643 uint32_t rval = QLA_ERROR;
9644 int fn;
9645 struct pci_dev *other_pdev = NULL;
9646
9647 ql4_printk(KERN_WARNING, ha, "scsi%ld: In %s\n", ha->host_no, __func__);
9648
9649 set_bit(DPC_RESET_ACTIVE, &ha->dpc_flags);
9650
9651 if (test_bit(AF_ONLINE, &ha->flags)) {
9652 clear_bit(AF_ONLINE, &ha->flags);
9653 clear_bit(AF_LINK_UP, &ha->flags);
9654 iscsi_host_for_each_session(ha->host, qla4xxx_fail_session);
9655 qla4xxx_process_aen(ha, FLUSH_DDB_CHANGED_AENS);
9656 }
9657
9658 fn = PCI_FUNC(ha->pdev->devfn);
9659 if (is_qla8022(ha)) {
9660 while (fn > 0) {
9661 fn--;
9662 ql4_printk(KERN_INFO, ha, "scsi%ld: %s: Finding PCI device at func %x\n",
9663 ha->host_no, __func__, fn);
9664
9665
9666 other_pdev = pci_get_domain_bus_and_slot(
9667 pci_domain_nr(ha->pdev->bus),
9668 ha->pdev->bus->number,
9669 PCI_DEVFN(PCI_SLOT(ha->pdev->devfn),
9670 fn));
9671
9672 if (!other_pdev)
9673 continue;
9674
9675 if (atomic_read(&other_pdev->enable_cnt)) {
9676 ql4_printk(KERN_INFO, ha, "scsi%ld: %s: Found PCI func in enabled state%x\n",
9677 ha->host_no, __func__, fn);
9678 pci_dev_put(other_pdev);
9679 break;
9680 }
9681 pci_dev_put(other_pdev);
9682 }
9683 } else {
9684
9685 if (qla4_83xx_can_perform_reset(ha)) {
9686
9687 fn = 0;
9688 }
9689 }
9690
9691
9692
9693
9694
9695 if (!fn) {
9696 ql4_printk(KERN_INFO, ha, "scsi%ld: %s: devfn being reset "
9697 "0x%x is the owner\n", ha->host_no, __func__,
9698 ha->pdev->devfn);
9699
9700 ha->isp_ops->idc_lock(ha);
9701 qla4_8xxx_wr_direct(ha, QLA8XXX_CRB_DEV_STATE,
9702 QLA8XXX_DEV_COLD);
9703 ha->isp_ops->idc_unlock(ha);
9704
9705 rval = qla4_8xxx_update_idc_reg(ha);
9706 if (rval == QLA_ERROR) {
9707 ql4_printk(KERN_INFO, ha, "scsi%ld: %s: HW State: FAILED\n",
9708 ha->host_no, __func__);
9709 ha->isp_ops->idc_lock(ha);
9710 qla4_8xxx_wr_direct(ha, QLA8XXX_CRB_DEV_STATE,
9711 QLA8XXX_DEV_FAILED);
9712 ha->isp_ops->idc_unlock(ha);
9713 goto exit_error_recovery;
9714 }
9715
9716 clear_bit(AF_FW_RECOVERY, &ha->flags);
9717 rval = qla4xxx_initialize_adapter(ha, RESET_ADAPTER);
9718
9719 if (rval != QLA_SUCCESS) {
9720 ql4_printk(KERN_INFO, ha, "scsi%ld: %s: HW State: "
9721 "FAILED\n", ha->host_no, __func__);
9722 qla4xxx_free_irqs(ha);
9723 ha->isp_ops->idc_lock(ha);
9724 qla4_8xxx_clear_drv_active(ha);
9725 qla4_8xxx_wr_direct(ha, QLA8XXX_CRB_DEV_STATE,
9726 QLA8XXX_DEV_FAILED);
9727 ha->isp_ops->idc_unlock(ha);
9728 } else {
9729 ql4_printk(KERN_INFO, ha, "scsi%ld: %s: HW State: "
9730 "READY\n", ha->host_no, __func__);
9731 ha->isp_ops->idc_lock(ha);
9732 qla4_8xxx_wr_direct(ha, QLA8XXX_CRB_DEV_STATE,
9733 QLA8XXX_DEV_READY);
9734
9735 qla4_8xxx_wr_direct(ha, QLA8XXX_CRB_DRV_STATE, 0);
9736 qla4_8xxx_set_drv_active(ha);
9737 ha->isp_ops->idc_unlock(ha);
9738 ha->isp_ops->enable_intrs(ha);
9739 }
9740 } else {
9741 ql4_printk(KERN_INFO, ha, "scsi%ld: %s: devfn 0x%x is not "
9742 "the reset owner\n", ha->host_no, __func__,
9743 ha->pdev->devfn);
9744 if ((qla4_8xxx_rd_direct(ha, QLA8XXX_CRB_DEV_STATE) ==
9745 QLA8XXX_DEV_READY)) {
9746 clear_bit(AF_FW_RECOVERY, &ha->flags);
9747 rval = qla4xxx_initialize_adapter(ha, RESET_ADAPTER);
9748 if (rval == QLA_SUCCESS)
9749 ha->isp_ops->enable_intrs(ha);
9750 else
9751 qla4xxx_free_irqs(ha);
9752
9753 ha->isp_ops->idc_lock(ha);
9754 qla4_8xxx_set_drv_active(ha);
9755 ha->isp_ops->idc_unlock(ha);
9756 }
9757 }
9758exit_error_recovery:
9759 clear_bit(DPC_RESET_ACTIVE, &ha->dpc_flags);
9760 return rval;
9761}
9762
9763static pci_ers_result_t
9764qla4xxx_pci_slot_reset(struct pci_dev *pdev)
9765{
9766 pci_ers_result_t ret = PCI_ERS_RESULT_DISCONNECT;
9767 struct scsi_qla_host *ha = pci_get_drvdata(pdev);
9768 int rc;
9769
9770 ql4_printk(KERN_WARNING, ha, "scsi%ld: %s: slot_reset\n",
9771 ha->host_no, __func__);
9772
9773 if (!is_aer_supported(ha))
9774 return PCI_ERS_RESULT_NONE;
9775
9776
9777
9778
9779
9780 pci_restore_state(pdev);
9781
9782
9783
9784
9785 pci_save_state(pdev);
9786
9787
9788 rc = pci_enable_device(pdev);
9789 if (rc) {
9790 ql4_printk(KERN_WARNING, ha, "scsi%ld: %s: Can't re-enable "
9791 "device after reset\n", ha->host_no, __func__);
9792 goto exit_slot_reset;
9793 }
9794
9795 ha->isp_ops->disable_intrs(ha);
9796
9797 if (is_qla80XX(ha)) {
9798 if (qla4_8xxx_error_recovery(ha) == QLA_SUCCESS) {
9799 ret = PCI_ERS_RESULT_RECOVERED;
9800 goto exit_slot_reset;
9801 } else
9802 goto exit_slot_reset;
9803 }
9804
9805exit_slot_reset:
9806 ql4_printk(KERN_WARNING, ha, "scsi%ld: %s: Return=%x\n"
9807 "device after reset\n", ha->host_no, __func__, ret);
9808 return ret;
9809}
9810
9811static void
9812qla4xxx_pci_resume(struct pci_dev *pdev)
9813{
9814 struct scsi_qla_host *ha = pci_get_drvdata(pdev);
9815 int ret;
9816
9817 ql4_printk(KERN_WARNING, ha, "scsi%ld: %s: pci_resume\n",
9818 ha->host_no, __func__);
9819
9820 ret = qla4xxx_wait_for_hba_online(ha);
9821 if (ret != QLA_SUCCESS) {
9822 ql4_printk(KERN_ERR, ha, "scsi%ld: %s: the device failed to "
9823 "resume I/O from slot/link_reset\n", ha->host_no,
9824 __func__);
9825 }
9826
9827 pci_cleanup_aer_uncorrect_error_status(pdev);
9828 clear_bit(AF_EEH_BUSY, &ha->flags);
9829}
9830
9831static const struct pci_error_handlers qla4xxx_err_handler = {
9832 .error_detected = qla4xxx_pci_error_detected,
9833 .mmio_enabled = qla4xxx_pci_mmio_enabled,
9834 .slot_reset = qla4xxx_pci_slot_reset,
9835 .resume = qla4xxx_pci_resume,
9836};
9837
9838static struct pci_device_id qla4xxx_pci_tbl[] = {
9839 {
9840 .vendor = PCI_VENDOR_ID_QLOGIC,
9841 .device = PCI_DEVICE_ID_QLOGIC_ISP4010,
9842 .subvendor = PCI_ANY_ID,
9843 .subdevice = PCI_ANY_ID,
9844 },
9845 {
9846 .vendor = PCI_VENDOR_ID_QLOGIC,
9847 .device = PCI_DEVICE_ID_QLOGIC_ISP4022,
9848 .subvendor = PCI_ANY_ID,
9849 .subdevice = PCI_ANY_ID,
9850 },
9851 {
9852 .vendor = PCI_VENDOR_ID_QLOGIC,
9853 .device = PCI_DEVICE_ID_QLOGIC_ISP4032,
9854 .subvendor = PCI_ANY_ID,
9855 .subdevice = PCI_ANY_ID,
9856 },
9857 {
9858 .vendor = PCI_VENDOR_ID_QLOGIC,
9859 .device = PCI_DEVICE_ID_QLOGIC_ISP8022,
9860 .subvendor = PCI_ANY_ID,
9861 .subdevice = PCI_ANY_ID,
9862 },
9863 {
9864 .vendor = PCI_VENDOR_ID_QLOGIC,
9865 .device = PCI_DEVICE_ID_QLOGIC_ISP8324,
9866 .subvendor = PCI_ANY_ID,
9867 .subdevice = PCI_ANY_ID,
9868 },
9869 {
9870 .vendor = PCI_VENDOR_ID_QLOGIC,
9871 .device = PCI_DEVICE_ID_QLOGIC_ISP8042,
9872 .subvendor = PCI_ANY_ID,
9873 .subdevice = PCI_ANY_ID,
9874 },
9875 {0, 0},
9876};
9877MODULE_DEVICE_TABLE(pci, qla4xxx_pci_tbl);
9878
9879static struct pci_driver qla4xxx_pci_driver = {
9880 .name = DRIVER_NAME,
9881 .id_table = qla4xxx_pci_tbl,
9882 .probe = qla4xxx_probe_adapter,
9883 .remove = qla4xxx_remove_adapter,
9884 .err_handler = &qla4xxx_err_handler,
9885};
9886
9887static int __init qla4xxx_module_init(void)
9888{
9889 int ret;
9890
9891
9892 srb_cachep = kmem_cache_create("qla4xxx_srbs", sizeof(struct srb), 0,
9893 SLAB_HWCACHE_ALIGN, NULL);
9894 if (srb_cachep == NULL) {
9895 printk(KERN_ERR
9896 "%s: Unable to allocate SRB cache..."
9897 "Failing load!\n", DRIVER_NAME);
9898 ret = -ENOMEM;
9899 goto no_srp_cache;
9900 }
9901
9902
9903 strcpy(qla4xxx_version_str, QLA4XXX_DRIVER_VERSION);
9904 if (ql4xextended_error_logging)
9905 strcat(qla4xxx_version_str, "-debug");
9906
9907 qla4xxx_scsi_transport =
9908 iscsi_register_transport(&qla4xxx_iscsi_transport);
9909 if (!qla4xxx_scsi_transport){
9910 ret = -ENODEV;
9911 goto release_srb_cache;
9912 }
9913
9914 ret = pci_register_driver(&qla4xxx_pci_driver);
9915 if (ret)
9916 goto unregister_transport;
9917
9918 printk(KERN_INFO "QLogic iSCSI HBA Driver\n");
9919 return 0;
9920
9921unregister_transport:
9922 iscsi_unregister_transport(&qla4xxx_iscsi_transport);
9923release_srb_cache:
9924 kmem_cache_destroy(srb_cachep);
9925no_srp_cache:
9926 return ret;
9927}
9928
9929static void __exit qla4xxx_module_exit(void)
9930{
9931 pci_unregister_driver(&qla4xxx_pci_driver);
9932 iscsi_unregister_transport(&qla4xxx_iscsi_transport);
9933 kmem_cache_destroy(srb_cachep);
9934}
9935
9936module_init(qla4xxx_module_init);
9937module_exit(qla4xxx_module_exit);
9938
9939MODULE_AUTHOR("QLogic Corporation");
9940MODULE_DESCRIPTION("QLogic iSCSI HBA Driver");
9941MODULE_LICENSE("GPL");
9942MODULE_VERSION(QLA4XXX_DRIVER_VERSION);
9943
