1
2
3
4
5
6#include <linux/moduleparam.h>
7#include <linux/slab.h>
8#include <linux/blkdev.h>
9#include <linux/iscsi_boot_sysfs.h>
10#include <linux/inet.h>
11
12#include <scsi/scsi_tcq.h>
13#include <scsi/scsicam.h>
14
15#include "ql4_def.h"
16#include "ql4_version.h"
17#include "ql4_glbl.h"
18#include "ql4_dbg.h"
19#include "ql4_inline.h"
20#include "ql4_83xx.h"
21
22
23
24
25static char qla4xxx_version_str[40];
26
27
28
29
30static struct kmem_cache *srb_cachep;
31
32
33
34
35static int ql4xdisablesysfsboot = 1;
36module_param(ql4xdisablesysfsboot, int, S_IRUGO | S_IWUSR);
37MODULE_PARM_DESC(ql4xdisablesysfsboot,
38 " Set to disable exporting boot targets to sysfs.\n"
39 "\t\t 0 - Export boot targets\n"
40 "\t\t 1 - Do not export boot targets (Default)");
41
42int ql4xdontresethba;
43module_param(ql4xdontresethba, int, S_IRUGO | S_IWUSR);
44MODULE_PARM_DESC(ql4xdontresethba,
45 " Don't reset the HBA for driver recovery.\n"
46 "\t\t 0 - It will reset HBA (Default)\n"
47 "\t\t 1 - It will NOT reset HBA");
48
49int ql4xextended_error_logging;
50module_param(ql4xextended_error_logging, int, S_IRUGO | S_IWUSR);
51MODULE_PARM_DESC(ql4xextended_error_logging,
52 " Option to enable extended error logging.\n"
53 "\t\t 0 - no logging (Default)\n"
54 "\t\t 2 - debug logging");
55
56int ql4xenablemsix = 1;
57module_param(ql4xenablemsix, int, S_IRUGO|S_IWUSR);
58MODULE_PARM_DESC(ql4xenablemsix,
59 " Set to enable MSI or MSI-X interrupt mechanism.\n"
60 "\t\t 0 = enable INTx interrupt mechanism.\n"
61 "\t\t 1 = enable MSI-X interrupt mechanism (Default).\n"
62 "\t\t 2 = enable MSI interrupt mechanism.");
63
64#define QL4_DEF_QDEPTH 32
65static int ql4xmaxqdepth = QL4_DEF_QDEPTH;
66module_param(ql4xmaxqdepth, int, S_IRUGO | S_IWUSR);
67MODULE_PARM_DESC(ql4xmaxqdepth,
68 " Maximum queue depth to report for target devices.\n"
69 "\t\t Default: 32.");
70
71static int ql4xqfulltracking = 1;
72module_param(ql4xqfulltracking, int, S_IRUGO | S_IWUSR);
73MODULE_PARM_DESC(ql4xqfulltracking,
74 " Enable or disable dynamic tracking and adjustment of\n"
75 "\t\t scsi device queue depth.\n"
76 "\t\t 0 - Disable.\n"
77 "\t\t 1 - Enable. (Default)");
78
79static int ql4xsess_recovery_tmo = QL4_SESS_RECOVERY_TMO;
80module_param(ql4xsess_recovery_tmo, int, S_IRUGO);
81MODULE_PARM_DESC(ql4xsess_recovery_tmo,
82 " Target Session Recovery Timeout.\n"
83 "\t\t Default: 120 sec.");
84
85int ql4xmdcapmask = 0;
86module_param(ql4xmdcapmask, int, S_IRUGO);
87MODULE_PARM_DESC(ql4xmdcapmask,
88 " Set the Minidump driver capture mask level.\n"
89 "\t\t Default is 0 (firmware default capture mask)\n"
90 "\t\t Can be set to 0x3, 0x7, 0xF, 0x1F, 0x3F, 0x7F, 0xFF");
91
92int ql4xenablemd = 1;
93module_param(ql4xenablemd, int, S_IRUGO | S_IWUSR);
94MODULE_PARM_DESC(ql4xenablemd,
95 " Set to enable minidump.\n"
96 "\t\t 0 - disable minidump\n"
97 "\t\t 1 - enable minidump (Default)");
98
99static int qla4xxx_wait_for_hba_online(struct scsi_qla_host *ha);
100
101
102
103static void qla4xxx_config_dma_addressing(struct scsi_qla_host *ha);
104
105
106
107
108static int qla4xxx_session_get_param(struct iscsi_cls_session *cls_sess,
109 enum iscsi_param param, char *buf);
110static int qla4xxx_conn_get_param(struct iscsi_cls_conn *conn,
111 enum iscsi_param param, char *buf);
112static int qla4xxx_host_get_param(struct Scsi_Host *shost,
113 enum iscsi_host_param param, char *buf);
114static int qla4xxx_iface_set_param(struct Scsi_Host *shost, void *data,
115 uint32_t len);
116static int qla4xxx_get_iface_param(struct iscsi_iface *iface,
117 enum iscsi_param_type param_type,
118 int param, char *buf);
119static enum blk_eh_timer_return qla4xxx_eh_cmd_timed_out(struct scsi_cmnd *sc);
120static struct iscsi_endpoint *qla4xxx_ep_connect(struct Scsi_Host *shost,
121 struct sockaddr *dst_addr,
122 int non_blocking);
123static int qla4xxx_ep_poll(struct iscsi_endpoint *ep, int timeout_ms);
124static void qla4xxx_ep_disconnect(struct iscsi_endpoint *ep);
125static int qla4xxx_get_ep_param(struct iscsi_endpoint *ep,
126 enum iscsi_param param, char *buf);
127static int qla4xxx_conn_start(struct iscsi_cls_conn *conn);
128static struct iscsi_cls_conn *
129qla4xxx_conn_create(struct iscsi_cls_session *cls_sess, uint32_t conn_idx);
130static int qla4xxx_conn_bind(struct iscsi_cls_session *cls_session,
131 struct iscsi_cls_conn *cls_conn,
132 uint64_t transport_fd, int is_leading);
133static void qla4xxx_conn_destroy(struct iscsi_cls_conn *conn);
134static struct iscsi_cls_session *
135qla4xxx_session_create(struct iscsi_endpoint *ep, uint16_t cmds_max,
136 uint16_t qdepth, uint32_t initial_cmdsn);
137static void qla4xxx_session_destroy(struct iscsi_cls_session *sess);
138static void qla4xxx_task_work(struct work_struct *wdata);
139static int qla4xxx_alloc_pdu(struct iscsi_task *, uint8_t);
140static int qla4xxx_task_xmit(struct iscsi_task *);
141static void qla4xxx_task_cleanup(struct iscsi_task *);
142static void qla4xxx_fail_session(struct iscsi_cls_session *cls_session);
143static void qla4xxx_conn_get_stats(struct iscsi_cls_conn *cls_conn,
144 struct iscsi_stats *stats);
145static int qla4xxx_send_ping(struct Scsi_Host *shost, uint32_t iface_num,
146 uint32_t iface_type, uint32_t payload_size,
147 uint32_t pid, struct sockaddr *dst_addr);
148static int qla4xxx_get_chap_list(struct Scsi_Host *shost, uint16_t chap_tbl_idx,
149 uint32_t *num_entries, char *buf);
150static int qla4xxx_delete_chap(struct Scsi_Host *shost, uint16_t chap_tbl_idx);
151static int qla4xxx_set_chap_entry(struct Scsi_Host *shost, void *data,
152 int len);
153static int qla4xxx_get_host_stats(struct Scsi_Host *shost, char *buf, int len);
154
155
156
157
158static int qla4xxx_queuecommand(struct Scsi_Host *h, struct scsi_cmnd *cmd);
159static int qla4xxx_eh_abort(struct scsi_cmnd *cmd);
160static int qla4xxx_eh_device_reset(struct scsi_cmnd *cmd);
161static int qla4xxx_eh_target_reset(struct scsi_cmnd *cmd);
162static int qla4xxx_eh_host_reset(struct scsi_cmnd *cmd);
163static int qla4xxx_slave_alloc(struct scsi_device *device);
164static umode_t qla4_attr_is_visible(int param_type, int param);
165static int qla4xxx_host_reset(struct Scsi_Host *shost, int reset_type);
166
167
168
169
170static int
171qla4xxx_sysfs_ddb_set_param(struct iscsi_bus_flash_session *fnode_sess,
172 struct iscsi_bus_flash_conn *fnode_conn,
173 void *data, int len);
174static int
175qla4xxx_sysfs_ddb_get_param(struct iscsi_bus_flash_session *fnode_sess,
176 int param, char *buf);
177static int qla4xxx_sysfs_ddb_add(struct Scsi_Host *shost, const char *buf,
178 int len);
179static int
180qla4xxx_sysfs_ddb_delete(struct iscsi_bus_flash_session *fnode_sess);
181static int qla4xxx_sysfs_ddb_login(struct iscsi_bus_flash_session *fnode_sess,
182 struct iscsi_bus_flash_conn *fnode_conn);
183static int qla4xxx_sysfs_ddb_logout(struct iscsi_bus_flash_session *fnode_sess,
184 struct iscsi_bus_flash_conn *fnode_conn);
185static int qla4xxx_sysfs_ddb_logout_sid(struct iscsi_cls_session *cls_sess);
186
187static struct qla4_8xxx_legacy_intr_set legacy_intr[] =
188 QLA82XX_LEGACY_INTR_CONFIG;
189
190static const uint32_t qla4_82xx_reg_tbl[] = {
191 QLA82XX_PEG_HALT_STATUS1,
192 QLA82XX_PEG_HALT_STATUS2,
193 QLA82XX_PEG_ALIVE_COUNTER,
194 QLA82XX_CRB_DRV_ACTIVE,
195 QLA82XX_CRB_DEV_STATE,
196 QLA82XX_CRB_DRV_STATE,
197 QLA82XX_CRB_DRV_SCRATCH,
198 QLA82XX_CRB_DEV_PART_INFO,
199 QLA82XX_CRB_DRV_IDC_VERSION,
200 QLA82XX_FW_VERSION_MAJOR,
201 QLA82XX_FW_VERSION_MINOR,
202 QLA82XX_FW_VERSION_SUB,
203 CRB_CMDPEG_STATE,
204 CRB_TEMP_STATE,
205};
206
207static const uint32_t qla4_83xx_reg_tbl[] = {
208 QLA83XX_PEG_HALT_STATUS1,
209 QLA83XX_PEG_HALT_STATUS2,
210 QLA83XX_PEG_ALIVE_COUNTER,
211 QLA83XX_CRB_DRV_ACTIVE,
212 QLA83XX_CRB_DEV_STATE,
213 QLA83XX_CRB_DRV_STATE,
214 QLA83XX_CRB_DRV_SCRATCH,
215 QLA83XX_CRB_DEV_PART_INFO1,
216 QLA83XX_CRB_IDC_VER_MAJOR,
217 QLA83XX_FW_VER_MAJOR,
218 QLA83XX_FW_VER_MINOR,
219 QLA83XX_FW_VER_SUB,
220 QLA83XX_CMDPEG_STATE,
221 QLA83XX_ASIC_TEMP,
222};
223
224static struct scsi_host_template qla4xxx_driver_template = {
225 .module = THIS_MODULE,
226 .name = DRIVER_NAME,
227 .proc_name = DRIVER_NAME,
228 .queuecommand = qla4xxx_queuecommand,
229
230 .eh_abort_handler = qla4xxx_eh_abort,
231 .eh_device_reset_handler = qla4xxx_eh_device_reset,
232 .eh_target_reset_handler = qla4xxx_eh_target_reset,
233 .eh_host_reset_handler = qla4xxx_eh_host_reset,
234 .eh_timed_out = qla4xxx_eh_cmd_timed_out,
235
236 .slave_alloc = qla4xxx_slave_alloc,
237 .change_queue_depth = scsi_change_queue_depth,
238
239 .this_id = -1,
240 .cmd_per_lun = 3,
241 .sg_tablesize = SG_ALL,
242
243 .max_sectors = 0xFFFF,
244 .shost_attrs = qla4xxx_host_attrs,
245 .host_reset = qla4xxx_host_reset,
246 .vendor_id = SCSI_NL_VID_TYPE_PCI | PCI_VENDOR_ID_QLOGIC,
247};
248
249static struct iscsi_transport qla4xxx_iscsi_transport = {
250 .owner = THIS_MODULE,
251 .name = DRIVER_NAME,
252 .caps = CAP_TEXT_NEGO |
253 CAP_DATA_PATH_OFFLOAD | CAP_HDRDGST |
254 CAP_DATADGST | CAP_LOGIN_OFFLOAD |
255 CAP_MULTI_R2T,
256 .attr_is_visible = qla4_attr_is_visible,
257 .create_session = qla4xxx_session_create,
258 .destroy_session = qla4xxx_session_destroy,
259 .start_conn = qla4xxx_conn_start,
260 .create_conn = qla4xxx_conn_create,
261 .bind_conn = qla4xxx_conn_bind,
262 .stop_conn = iscsi_conn_stop,
263 .destroy_conn = qla4xxx_conn_destroy,
264 .set_param = iscsi_set_param,
265 .get_conn_param = qla4xxx_conn_get_param,
266 .get_session_param = qla4xxx_session_get_param,
267 .get_ep_param = qla4xxx_get_ep_param,
268 .ep_connect = qla4xxx_ep_connect,
269 .ep_poll = qla4xxx_ep_poll,
270 .ep_disconnect = qla4xxx_ep_disconnect,
271 .get_stats = qla4xxx_conn_get_stats,
272 .send_pdu = iscsi_conn_send_pdu,
273 .xmit_task = qla4xxx_task_xmit,
274 .cleanup_task = qla4xxx_task_cleanup,
275 .alloc_pdu = qla4xxx_alloc_pdu,
276
277 .get_host_param = qla4xxx_host_get_param,
278 .set_iface_param = qla4xxx_iface_set_param,
279 .get_iface_param = qla4xxx_get_iface_param,
280 .bsg_request = qla4xxx_bsg_request,
281 .send_ping = qla4xxx_send_ping,
282 .get_chap = qla4xxx_get_chap_list,
283 .delete_chap = qla4xxx_delete_chap,
284 .set_chap = qla4xxx_set_chap_entry,
285 .get_flashnode_param = qla4xxx_sysfs_ddb_get_param,
286 .set_flashnode_param = qla4xxx_sysfs_ddb_set_param,
287 .new_flashnode = qla4xxx_sysfs_ddb_add,
288 .del_flashnode = qla4xxx_sysfs_ddb_delete,
289 .login_flashnode = qla4xxx_sysfs_ddb_login,
290 .logout_flashnode = qla4xxx_sysfs_ddb_logout,
291 .logout_flashnode_sid = qla4xxx_sysfs_ddb_logout_sid,
292 .get_host_stats = qla4xxx_get_host_stats,
293};
294
295static struct scsi_transport_template *qla4xxx_scsi_transport;
296
297static int qla4xxx_isp_check_reg(struct scsi_qla_host *ha)
298{
299 u32 reg_val = 0;
300 int rval = QLA_SUCCESS;
301
302 if (is_qla8022(ha))
303 reg_val = readl(&ha->qla4_82xx_reg->host_status);
304 else if (is_qla8032(ha) || is_qla8042(ha))
305 reg_val = qla4_8xxx_rd_direct(ha, QLA8XXX_PEG_ALIVE_COUNTER);
306 else
307 reg_val = readw(&ha->reg->ctrl_status);
308
309 if (reg_val == QL4_ISP_REG_DISCONNECT)
310 rval = QLA_ERROR;
311
312 return rval;
313}
314
315static int qla4xxx_send_ping(struct Scsi_Host *shost, uint32_t iface_num,
316 uint32_t iface_type, uint32_t payload_size,
317 uint32_t pid, struct sockaddr *dst_addr)
318{
319 struct scsi_qla_host *ha = to_qla_host(shost);
320 struct sockaddr_in *addr;
321 struct sockaddr_in6 *addr6;
322 uint32_t options = 0;
323 uint8_t ipaddr[IPv6_ADDR_LEN];
324 int rval;
325
326 memset(ipaddr, 0, IPv6_ADDR_LEN);
327
328 if ((iface_type == ISCSI_IFACE_TYPE_IPV4) &&
329 (dst_addr->sa_family == AF_INET)) {
330 addr = (struct sockaddr_in *)dst_addr;
331 memcpy(ipaddr, &addr->sin_addr.s_addr, IP_ADDR_LEN);
332 DEBUG2(ql4_printk(KERN_INFO, ha, "%s: IPv4 Ping src: %pI4 "
333 "dest: %pI4\n", __func__,
334 &ha->ip_config.ip_address, ipaddr));
335 rval = qla4xxx_ping_iocb(ha, options, payload_size, pid,
336 ipaddr);
337 if (rval)
338 rval = -EINVAL;
339 } else if ((iface_type == ISCSI_IFACE_TYPE_IPV6) &&
340 (dst_addr->sa_family == AF_INET6)) {
341
342 addr6 = (struct sockaddr_in6 *)dst_addr;
343 memcpy(ipaddr, &addr6->sin6_addr.in6_u.u6_addr8, IPv6_ADDR_LEN);
344
345 options |= PING_IPV6_PROTOCOL_ENABLE;
346
347
348 if ((iface_num == 0) || (iface_num == 1)) {
349 DEBUG2(ql4_printk(KERN_INFO, ha, "%s: LinkLocal Ping "
350 "src: %pI6 dest: %pI6\n", __func__,
351 &ha->ip_config.ipv6_link_local_addr,
352 ipaddr));
353 options |= PING_IPV6_LINKLOCAL_ADDR;
354 rval = qla4xxx_ping_iocb(ha, options, payload_size,
355 pid, ipaddr);
356 } else {
357 ql4_printk(KERN_WARNING, ha, "%s: iface num = %d "
358 "not supported\n", __func__, iface_num);
359 rval = -ENOSYS;
360 goto exit_send_ping;
361 }
362
363
364
365
366
367 if (rval != QLA_SUCCESS) {
368 options &= ~PING_IPV6_LINKLOCAL_ADDR;
369 if (iface_num == 0) {
370 options |= PING_IPV6_ADDR0;
371 DEBUG2(ql4_printk(KERN_INFO, ha, "%s: IPv6 "
372 "Ping src: %pI6 "
373 "dest: %pI6\n", __func__,
374 &ha->ip_config.ipv6_addr0,
375 ipaddr));
376 } else if (iface_num == 1) {
377 options |= PING_IPV6_ADDR1;
378 DEBUG2(ql4_printk(KERN_INFO, ha, "%s: IPv6 "
379 "Ping src: %pI6 "
380 "dest: %pI6\n", __func__,
381 &ha->ip_config.ipv6_addr1,
382 ipaddr));
383 }
384 rval = qla4xxx_ping_iocb(ha, options, payload_size,
385 pid, ipaddr);
386 if (rval)
387 rval = -EINVAL;
388 }
389 } else
390 rval = -ENOSYS;
391exit_send_ping:
392 return rval;
393}
394
395static umode_t qla4_attr_is_visible(int param_type, int param)
396{
397 switch (param_type) {
398 case ISCSI_HOST_PARAM:
399 switch (param) {
400 case ISCSI_HOST_PARAM_HWADDRESS:
401 case ISCSI_HOST_PARAM_IPADDRESS:
402 case ISCSI_HOST_PARAM_INITIATOR_NAME:
403 case ISCSI_HOST_PARAM_PORT_STATE:
404 case ISCSI_HOST_PARAM_PORT_SPEED:
405 return S_IRUGO;
406 default:
407 return 0;
408 }
409 case ISCSI_PARAM:
410 switch (param) {
411 case ISCSI_PARAM_PERSISTENT_ADDRESS:
412 case ISCSI_PARAM_PERSISTENT_PORT:
413 case ISCSI_PARAM_CONN_ADDRESS:
414 case ISCSI_PARAM_CONN_PORT:
415 case ISCSI_PARAM_TARGET_NAME:
416 case ISCSI_PARAM_TPGT:
417 case ISCSI_PARAM_TARGET_ALIAS:
418 case ISCSI_PARAM_MAX_BURST:
419 case ISCSI_PARAM_MAX_R2T:
420 case ISCSI_PARAM_FIRST_BURST:
421 case ISCSI_PARAM_MAX_RECV_DLENGTH:
422 case ISCSI_PARAM_MAX_XMIT_DLENGTH:
423 case ISCSI_PARAM_IFACE_NAME:
424 case ISCSI_PARAM_CHAP_OUT_IDX:
425 case ISCSI_PARAM_CHAP_IN_IDX:
426 case ISCSI_PARAM_USERNAME:
427 case ISCSI_PARAM_PASSWORD:
428 case ISCSI_PARAM_USERNAME_IN:
429 case ISCSI_PARAM_PASSWORD_IN:
430 case ISCSI_PARAM_AUTO_SND_TGT_DISABLE:
431 case ISCSI_PARAM_DISCOVERY_SESS:
432 case ISCSI_PARAM_PORTAL_TYPE:
433 case ISCSI_PARAM_CHAP_AUTH_EN:
434 case ISCSI_PARAM_DISCOVERY_LOGOUT_EN:
435 case ISCSI_PARAM_BIDI_CHAP_EN:
436 case ISCSI_PARAM_DISCOVERY_AUTH_OPTIONAL:
437 case ISCSI_PARAM_DEF_TIME2WAIT:
438 case ISCSI_PARAM_DEF_TIME2RETAIN:
439 case ISCSI_PARAM_HDRDGST_EN:
440 case ISCSI_PARAM_DATADGST_EN:
441 case ISCSI_PARAM_INITIAL_R2T_EN:
442 case ISCSI_PARAM_IMM_DATA_EN:
443 case ISCSI_PARAM_PDU_INORDER_EN:
444 case ISCSI_PARAM_DATASEQ_INORDER_EN:
445 case ISCSI_PARAM_MAX_SEGMENT_SIZE:
446 case ISCSI_PARAM_TCP_TIMESTAMP_STAT:
447 case ISCSI_PARAM_TCP_WSF_DISABLE:
448 case ISCSI_PARAM_TCP_NAGLE_DISABLE:
449 case ISCSI_PARAM_TCP_TIMER_SCALE:
450 case ISCSI_PARAM_TCP_TIMESTAMP_EN:
451 case ISCSI_PARAM_TCP_XMIT_WSF:
452 case ISCSI_PARAM_TCP_RECV_WSF:
453 case ISCSI_PARAM_IP_FRAGMENT_DISABLE:
454 case ISCSI_PARAM_IPV4_TOS:
455 case ISCSI_PARAM_IPV6_TC:
456 case ISCSI_PARAM_IPV6_FLOW_LABEL:
457 case ISCSI_PARAM_IS_FW_ASSIGNED_IPV6:
458 case ISCSI_PARAM_KEEPALIVE_TMO:
459 case ISCSI_PARAM_LOCAL_PORT:
460 case ISCSI_PARAM_ISID:
461 case ISCSI_PARAM_TSID:
462 case ISCSI_PARAM_DEF_TASKMGMT_TMO:
463 case ISCSI_PARAM_ERL:
464 case ISCSI_PARAM_STATSN:
465 case ISCSI_PARAM_EXP_STATSN:
466 case ISCSI_PARAM_DISCOVERY_PARENT_IDX:
467 case ISCSI_PARAM_DISCOVERY_PARENT_TYPE:
468 case ISCSI_PARAM_LOCAL_IPADDR:
469 return S_IRUGO;
470 default:
471 return 0;
472 }
473 case ISCSI_NET_PARAM:
474 switch (param) {
475 case ISCSI_NET_PARAM_IPV4_ADDR:
476 case ISCSI_NET_PARAM_IPV4_SUBNET:
477 case ISCSI_NET_PARAM_IPV4_GW:
478 case ISCSI_NET_PARAM_IPV4_BOOTPROTO:
479 case ISCSI_NET_PARAM_IFACE_ENABLE:
480 case ISCSI_NET_PARAM_IPV6_LINKLOCAL:
481 case ISCSI_NET_PARAM_IPV6_ADDR:
482 case ISCSI_NET_PARAM_IPV6_ROUTER:
483 case ISCSI_NET_PARAM_IPV6_ADDR_AUTOCFG:
484 case ISCSI_NET_PARAM_IPV6_LINKLOCAL_AUTOCFG:
485 case ISCSI_NET_PARAM_VLAN_ID:
486 case ISCSI_NET_PARAM_VLAN_PRIORITY:
487 case ISCSI_NET_PARAM_VLAN_ENABLED:
488 case ISCSI_NET_PARAM_MTU:
489 case ISCSI_NET_PARAM_PORT:
490 case ISCSI_NET_PARAM_IPADDR_STATE:
491 case ISCSI_NET_PARAM_IPV6_LINKLOCAL_STATE:
492 case ISCSI_NET_PARAM_IPV6_ROUTER_STATE:
493 case ISCSI_NET_PARAM_DELAYED_ACK_EN:
494 case ISCSI_NET_PARAM_TCP_NAGLE_DISABLE:
495 case ISCSI_NET_PARAM_TCP_WSF_DISABLE:
496 case ISCSI_NET_PARAM_TCP_WSF:
497 case ISCSI_NET_PARAM_TCP_TIMER_SCALE:
498 case ISCSI_NET_PARAM_TCP_TIMESTAMP_EN:
499 case ISCSI_NET_PARAM_CACHE_ID:
500 case ISCSI_NET_PARAM_IPV4_DHCP_DNS_ADDR_EN:
501 case ISCSI_NET_PARAM_IPV4_DHCP_SLP_DA_EN:
502 case ISCSI_NET_PARAM_IPV4_TOS_EN:
503 case ISCSI_NET_PARAM_IPV4_TOS:
504 case ISCSI_NET_PARAM_IPV4_GRAT_ARP_EN:
505 case ISCSI_NET_PARAM_IPV4_DHCP_ALT_CLIENT_ID_EN:
506 case ISCSI_NET_PARAM_IPV4_DHCP_ALT_CLIENT_ID:
507 case ISCSI_NET_PARAM_IPV4_DHCP_REQ_VENDOR_ID_EN:
508 case ISCSI_NET_PARAM_IPV4_DHCP_USE_VENDOR_ID_EN:
509 case ISCSI_NET_PARAM_IPV4_DHCP_VENDOR_ID:
510 case ISCSI_NET_PARAM_IPV4_DHCP_LEARN_IQN_EN:
511 case ISCSI_NET_PARAM_IPV4_FRAGMENT_DISABLE:
512 case ISCSI_NET_PARAM_IPV4_IN_FORWARD_EN:
513 case ISCSI_NET_PARAM_REDIRECT_EN:
514 case ISCSI_NET_PARAM_IPV4_TTL:
515 case ISCSI_NET_PARAM_IPV6_GRAT_NEIGHBOR_ADV_EN:
516 case ISCSI_NET_PARAM_IPV6_MLD_EN:
517 case ISCSI_NET_PARAM_IPV6_FLOW_LABEL:
518 case ISCSI_NET_PARAM_IPV6_TRAFFIC_CLASS:
519 case ISCSI_NET_PARAM_IPV6_HOP_LIMIT:
520 case ISCSI_NET_PARAM_IPV6_ND_REACHABLE_TMO:
521 case ISCSI_NET_PARAM_IPV6_ND_REXMIT_TIME:
522 case ISCSI_NET_PARAM_IPV6_ND_STALE_TMO:
523 case ISCSI_NET_PARAM_IPV6_DUP_ADDR_DETECT_CNT:
524 case ISCSI_NET_PARAM_IPV6_RTR_ADV_LINK_MTU:
525 return S_IRUGO;
526 default:
527 return 0;
528 }
529 case ISCSI_IFACE_PARAM:
530 switch (param) {
531 case ISCSI_IFACE_PARAM_DEF_TASKMGMT_TMO:
532 case ISCSI_IFACE_PARAM_HDRDGST_EN:
533 case ISCSI_IFACE_PARAM_DATADGST_EN:
534 case ISCSI_IFACE_PARAM_IMM_DATA_EN:
535 case ISCSI_IFACE_PARAM_INITIAL_R2T_EN:
536 case ISCSI_IFACE_PARAM_DATASEQ_INORDER_EN:
537 case ISCSI_IFACE_PARAM_PDU_INORDER_EN:
538 case ISCSI_IFACE_PARAM_ERL:
539 case ISCSI_IFACE_PARAM_MAX_RECV_DLENGTH:
540 case ISCSI_IFACE_PARAM_FIRST_BURST:
541 case ISCSI_IFACE_PARAM_MAX_R2T:
542 case ISCSI_IFACE_PARAM_MAX_BURST:
543 case ISCSI_IFACE_PARAM_CHAP_AUTH_EN:
544 case ISCSI_IFACE_PARAM_BIDI_CHAP_EN:
545 case ISCSI_IFACE_PARAM_DISCOVERY_AUTH_OPTIONAL:
546 case ISCSI_IFACE_PARAM_DISCOVERY_LOGOUT_EN:
547 case ISCSI_IFACE_PARAM_STRICT_LOGIN_COMP_EN:
548 case ISCSI_IFACE_PARAM_INITIATOR_NAME:
549 return S_IRUGO;
550 default:
551 return 0;
552 }
553 case ISCSI_FLASHNODE_PARAM:
554 switch (param) {
555 case ISCSI_FLASHNODE_IS_FW_ASSIGNED_IPV6:
556 case ISCSI_FLASHNODE_PORTAL_TYPE:
557 case ISCSI_FLASHNODE_AUTO_SND_TGT_DISABLE:
558 case ISCSI_FLASHNODE_DISCOVERY_SESS:
559 case ISCSI_FLASHNODE_ENTRY_EN:
560 case ISCSI_FLASHNODE_HDR_DGST_EN:
561 case ISCSI_FLASHNODE_DATA_DGST_EN:
562 case ISCSI_FLASHNODE_IMM_DATA_EN:
563 case ISCSI_FLASHNODE_INITIAL_R2T_EN:
564 case ISCSI_FLASHNODE_DATASEQ_INORDER:
565 case ISCSI_FLASHNODE_PDU_INORDER:
566 case ISCSI_FLASHNODE_CHAP_AUTH_EN:
567 case ISCSI_FLASHNODE_SNACK_REQ_EN:
568 case ISCSI_FLASHNODE_DISCOVERY_LOGOUT_EN:
569 case ISCSI_FLASHNODE_BIDI_CHAP_EN:
570 case ISCSI_FLASHNODE_DISCOVERY_AUTH_OPTIONAL:
571 case ISCSI_FLASHNODE_ERL:
572 case ISCSI_FLASHNODE_TCP_TIMESTAMP_STAT:
573 case ISCSI_FLASHNODE_TCP_NAGLE_DISABLE:
574 case ISCSI_FLASHNODE_TCP_WSF_DISABLE:
575 case ISCSI_FLASHNODE_TCP_TIMER_SCALE:
576 case ISCSI_FLASHNODE_TCP_TIMESTAMP_EN:
577 case ISCSI_FLASHNODE_IP_FRAG_DISABLE:
578 case ISCSI_FLASHNODE_MAX_RECV_DLENGTH:
579 case ISCSI_FLASHNODE_MAX_XMIT_DLENGTH:
580 case ISCSI_FLASHNODE_FIRST_BURST:
581 case ISCSI_FLASHNODE_DEF_TIME2WAIT:
582 case ISCSI_FLASHNODE_DEF_TIME2RETAIN:
583 case ISCSI_FLASHNODE_MAX_R2T:
584 case ISCSI_FLASHNODE_KEEPALIVE_TMO:
585 case ISCSI_FLASHNODE_ISID:
586 case ISCSI_FLASHNODE_TSID:
587 case ISCSI_FLASHNODE_PORT:
588 case ISCSI_FLASHNODE_MAX_BURST:
589 case ISCSI_FLASHNODE_DEF_TASKMGMT_TMO:
590 case ISCSI_FLASHNODE_IPADDR:
591 case ISCSI_FLASHNODE_ALIAS:
592 case ISCSI_FLASHNODE_REDIRECT_IPADDR:
593 case ISCSI_FLASHNODE_MAX_SEGMENT_SIZE:
594 case ISCSI_FLASHNODE_LOCAL_PORT:
595 case ISCSI_FLASHNODE_IPV4_TOS:
596 case ISCSI_FLASHNODE_IPV6_TC:
597 case ISCSI_FLASHNODE_IPV6_FLOW_LABEL:
598 case ISCSI_FLASHNODE_NAME:
599 case ISCSI_FLASHNODE_TPGT:
600 case ISCSI_FLASHNODE_LINK_LOCAL_IPV6:
601 case ISCSI_FLASHNODE_DISCOVERY_PARENT_IDX:
602 case ISCSI_FLASHNODE_DISCOVERY_PARENT_TYPE:
603 case ISCSI_FLASHNODE_TCP_XMIT_WSF:
604 case ISCSI_FLASHNODE_TCP_RECV_WSF:
605 case ISCSI_FLASHNODE_CHAP_OUT_IDX:
606 case ISCSI_FLASHNODE_USERNAME:
607 case ISCSI_FLASHNODE_PASSWORD:
608 case ISCSI_FLASHNODE_STATSN:
609 case ISCSI_FLASHNODE_EXP_STATSN:
610 case ISCSI_FLASHNODE_IS_BOOT_TGT:
611 return S_IRUGO;
612 default:
613 return 0;
614 }
615 }
616
617 return 0;
618}
619
620
621
622
623
624
625
626
627
628
629
630static void qla4xxx_create_chap_list(struct scsi_qla_host *ha)
631{
632 int rval = 0;
633 uint8_t *chap_flash_data = NULL;
634 uint32_t offset;
635 dma_addr_t chap_dma;
636 uint32_t chap_size = 0;
637
638 if (is_qla40XX(ha))
639 chap_size = MAX_CHAP_ENTRIES_40XX *
640 sizeof(struct ql4_chap_table);
641 else
642
643
644 chap_size = ha->hw.flt_chap_size / 2;
645
646 chap_flash_data = dma_alloc_coherent(&ha->pdev->dev, chap_size,
647 &chap_dma, GFP_KERNEL);
648 if (!chap_flash_data) {
649 ql4_printk(KERN_ERR, ha, "No memory for chap_flash_data\n");
650 return;
651 }
652
653 if (is_qla40XX(ha)) {
654 offset = FLASH_CHAP_OFFSET;
655 } else {
656 offset = FLASH_RAW_ACCESS_ADDR + (ha->hw.flt_region_chap << 2);
657 if (ha->port_num == 1)
658 offset += chap_size;
659 }
660
661 rval = qla4xxx_get_flash(ha, chap_dma, offset, chap_size);
662 if (rval != QLA_SUCCESS)
663 goto exit_chap_list;
664
665 if (ha->chap_list == NULL)
666 ha->chap_list = vmalloc(chap_size);
667 if (ha->chap_list == NULL) {
668 ql4_printk(KERN_ERR, ha, "No memory for ha->chap_list\n");
669 goto exit_chap_list;
670 }
671
672 memset(ha->chap_list, 0, chap_size);
673 memcpy(ha->chap_list, chap_flash_data, chap_size);
674
675exit_chap_list:
676 dma_free_coherent(&ha->pdev->dev, chap_size, chap_flash_data, chap_dma);
677}
678
679static int qla4xxx_get_chap_by_index(struct scsi_qla_host *ha,
680 int16_t chap_index,
681 struct ql4_chap_table **chap_entry)
682{
683 int rval = QLA_ERROR;
684 int max_chap_entries;
685
686 if (!ha->chap_list) {
687 ql4_printk(KERN_ERR, ha, "CHAP table cache is empty!\n");
688 rval = QLA_ERROR;
689 goto exit_get_chap;
690 }
691
692 if (is_qla80XX(ha))
693 max_chap_entries = (ha->hw.flt_chap_size / 2) /
694 sizeof(struct ql4_chap_table);
695 else
696 max_chap_entries = MAX_CHAP_ENTRIES_40XX;
697
698 if (chap_index > max_chap_entries) {
699 ql4_printk(KERN_ERR, ha, "Invalid Chap index\n");
700 rval = QLA_ERROR;
701 goto exit_get_chap;
702 }
703
704 *chap_entry = (struct ql4_chap_table *)ha->chap_list + chap_index;
705 if ((*chap_entry)->cookie !=
706 __constant_cpu_to_le16(CHAP_VALID_COOKIE)) {
707 rval = QLA_ERROR;
708 *chap_entry = NULL;
709 } else {
710 rval = QLA_SUCCESS;
711 }
712
713exit_get_chap:
714 return rval;
715}
716
717
718
719
720
721
722
723
724
725
726static int qla4xxx_find_free_chap_index(struct scsi_qla_host *ha,
727 uint16_t *chap_index)
728{
729 int i, rval;
730 int free_index = -1;
731 int max_chap_entries = 0;
732 struct ql4_chap_table *chap_table;
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 if (!ha->chap_list) {
741 ql4_printk(KERN_ERR, ha, "CHAP table cache is empty!\n");
742 rval = QLA_ERROR;
743 goto exit_find_chap;
744 }
745
746 for (i = 0; i < max_chap_entries; i++) {
747 chap_table = (struct ql4_chap_table *)ha->chap_list + i;
748
749 if ((chap_table->cookie !=
750 __constant_cpu_to_le16(CHAP_VALID_COOKIE)) &&
751 (i > MAX_RESRV_CHAP_IDX)) {
752 free_index = i;
753 break;
754 }
755 }
756
757 if (free_index != -1) {
758 *chap_index = free_index;
759 rval = QLA_SUCCESS;
760 } else {
761 rval = QLA_ERROR;
762 }
763
764exit_find_chap:
765 return rval;
766}
767
768static int qla4xxx_get_chap_list(struct Scsi_Host *shost, uint16_t chap_tbl_idx,
769 uint32_t *num_entries, char *buf)
770{
771 struct scsi_qla_host *ha = to_qla_host(shost);
772 struct ql4_chap_table *chap_table;
773 struct iscsi_chap_rec *chap_rec;
774 int max_chap_entries = 0;
775 int valid_chap_entries = 0;
776 int ret = 0, i;
777
778 if (is_qla80XX(ha))
779 max_chap_entries = (ha->hw.flt_chap_size / 2) /
780 sizeof(struct ql4_chap_table);
781 else
782 max_chap_entries = MAX_CHAP_ENTRIES_40XX;
783
784 ql4_printk(KERN_INFO, ha, "%s: num_entries = %d, CHAP idx = %d\n",
785 __func__, *num_entries, chap_tbl_idx);
786
787 if (!buf) {
788 ret = -ENOMEM;
789 goto exit_get_chap_list;
790 }
791
792 qla4xxx_create_chap_list(ha);
793
794 chap_rec = (struct iscsi_chap_rec *) buf;
795 mutex_lock(&ha->chap_sem);
796 for (i = chap_tbl_idx; i < max_chap_entries; i++) {
797 chap_table = (struct ql4_chap_table *)ha->chap_list + i;
798 if (chap_table->cookie !=
799 __constant_cpu_to_le16(CHAP_VALID_COOKIE))
800 continue;
801
802 chap_rec->chap_tbl_idx = i;
803 strlcpy(chap_rec->username, chap_table->name,
804 ISCSI_CHAP_AUTH_NAME_MAX_LEN);
805 strlcpy(chap_rec->password, chap_table->secret,
806 QL4_CHAP_MAX_SECRET_LEN);
807 chap_rec->password_length = chap_table->secret_len;
808
809 if (chap_table->flags & BIT_7)
810 chap_rec->chap_type = CHAP_TYPE_OUT;
811
812 if (chap_table->flags & BIT_6)
813 chap_rec->chap_type = CHAP_TYPE_IN;
814
815 chap_rec++;
816
817 valid_chap_entries++;
818 if (valid_chap_entries == *num_entries)
819 break;
820 else
821 continue;
822 }
823 mutex_unlock(&ha->chap_sem);
824
825exit_get_chap_list:
826 ql4_printk(KERN_INFO, ha, "%s: Valid CHAP Entries = %d\n",
827 __func__, valid_chap_entries);
828 *num_entries = valid_chap_entries;
829 return ret;
830}
831
832static int __qla4xxx_is_chap_active(struct device *dev, void *data)
833{
834 int ret = 0;
835 uint16_t *chap_tbl_idx = (uint16_t *) data;
836 struct iscsi_cls_session *cls_session;
837 struct iscsi_session *sess;
838 struct ddb_entry *ddb_entry;
839
840 if (!iscsi_is_session_dev(dev))
841 goto exit_is_chap_active;
842
843 cls_session = iscsi_dev_to_session(dev);
844 sess = cls_session->dd_data;
845 ddb_entry = sess->dd_data;
846
847 if (iscsi_session_chkready(cls_session))
848 goto exit_is_chap_active;
849
850 if (ddb_entry->chap_tbl_idx == *chap_tbl_idx)
851 ret = 1;
852
853exit_is_chap_active:
854 return ret;
855}
856
857static int qla4xxx_is_chap_active(struct Scsi_Host *shost,
858 uint16_t chap_tbl_idx)
859{
860 int ret = 0;
861
862 ret = device_for_each_child(&shost->shost_gendev, &chap_tbl_idx,
863 __qla4xxx_is_chap_active);
864
865 return ret;
866}
867
868static int qla4xxx_delete_chap(struct Scsi_Host *shost, uint16_t chap_tbl_idx)
869{
870 struct scsi_qla_host *ha = to_qla_host(shost);
871 struct ql4_chap_table *chap_table;
872 dma_addr_t chap_dma;
873 int max_chap_entries = 0;
874 uint32_t offset = 0;
875 uint32_t chap_size;
876 int ret = 0;
877
878 chap_table = dma_pool_zalloc(ha->chap_dma_pool, GFP_KERNEL, &chap_dma);
879 if (chap_table == NULL)
880 return -ENOMEM;
881
882 if (is_qla80XX(ha))
883 max_chap_entries = (ha->hw.flt_chap_size / 2) /
884 sizeof(struct ql4_chap_table);
885 else
886 max_chap_entries = MAX_CHAP_ENTRIES_40XX;
887
888 if (chap_tbl_idx > max_chap_entries) {
889 ret = -EINVAL;
890 goto exit_delete_chap;
891 }
892
893
894
895 ret = qla4xxx_is_chap_active(shost, chap_tbl_idx);
896 if (ret) {
897 ql4_printk(KERN_INFO, ha, "CHAP entry %d is in use, cannot "
898 "delete from flash\n", chap_tbl_idx);
899 ret = -EBUSY;
900 goto exit_delete_chap;
901 }
902
903 chap_size = sizeof(struct ql4_chap_table);
904 if (is_qla40XX(ha))
905 offset = FLASH_CHAP_OFFSET | (chap_tbl_idx * chap_size);
906 else {
907 offset = FLASH_RAW_ACCESS_ADDR + (ha->hw.flt_region_chap << 2);
908
909
910
911 if (ha->port_num == 1)
912 offset += (ha->hw.flt_chap_size / 2);
913 offset += (chap_tbl_idx * chap_size);
914 }
915
916 ret = qla4xxx_get_flash(ha, chap_dma, offset, chap_size);
917 if (ret != QLA_SUCCESS) {
918 ret = -EINVAL;
919 goto exit_delete_chap;
920 }
921
922 DEBUG2(ql4_printk(KERN_INFO, ha, "Chap Cookie: x%x\n",
923 __le16_to_cpu(chap_table->cookie)));
924
925 if (__le16_to_cpu(chap_table->cookie) != CHAP_VALID_COOKIE) {
926 ql4_printk(KERN_ERR, ha, "No valid chap entry found\n");
927 goto exit_delete_chap;
928 }
929
930 chap_table->cookie = __constant_cpu_to_le16(0xFFFF);
931
932 offset = FLASH_CHAP_OFFSET |
933 (chap_tbl_idx * sizeof(struct ql4_chap_table));
934 ret = qla4xxx_set_flash(ha, chap_dma, offset, chap_size,
935 FLASH_OPT_RMW_COMMIT);
936 if (ret == QLA_SUCCESS && ha->chap_list) {
937 mutex_lock(&ha->chap_sem);
938
939 memcpy((struct ql4_chap_table *)ha->chap_list + chap_tbl_idx,
940 chap_table, sizeof(struct ql4_chap_table));
941 mutex_unlock(&ha->chap_sem);
942 }
943 if (ret != QLA_SUCCESS)
944 ret = -EINVAL;
945
946exit_delete_chap:
947 dma_pool_free(ha->chap_dma_pool, chap_table, chap_dma);
948 return ret;
949}
950
951
952
953
954
955
956
957
958
959static int qla4xxx_set_chap_entry(struct Scsi_Host *shost, void *data, int len)
960{
961 struct scsi_qla_host *ha = to_qla_host(shost);
962 struct iscsi_chap_rec chap_rec;
963 struct ql4_chap_table *chap_entry = NULL;
964 struct iscsi_param_info *param_info;
965 struct nlattr *attr;
966 int max_chap_entries = 0;
967 int type;
968 int rem = len;
969 int rc = 0;
970 int size;
971
972 memset(&chap_rec, 0, sizeof(chap_rec));
973
974 nla_for_each_attr(attr, data, len, rem) {
975 param_info = nla_data(attr);
976
977 switch (param_info->param) {
978 case ISCSI_CHAP_PARAM_INDEX:
979 chap_rec.chap_tbl_idx = *(uint16_t *)param_info->value;
980 break;
981 case ISCSI_CHAP_PARAM_CHAP_TYPE:
982 chap_rec.chap_type = param_info->value[0];
983 break;
984 case ISCSI_CHAP_PARAM_USERNAME:
985 size = min_t(size_t, sizeof(chap_rec.username),
986 param_info->len);
987 memcpy(chap_rec.username, param_info->value, size);
988 break;
989 case ISCSI_CHAP_PARAM_PASSWORD:
990 size = min_t(size_t, sizeof(chap_rec.password),
991 param_info->len);
992 memcpy(chap_rec.password, param_info->value, size);
993 break;
994 case ISCSI_CHAP_PARAM_PASSWORD_LEN:
995 chap_rec.password_length = param_info->value[0];
996 break;
997 default:
998 ql4_printk(KERN_ERR, ha,
999 "%s: No such sysfs attribute\n", __func__);
1000 rc = -ENOSYS;
1001 goto exit_set_chap;
1002 }
1003 }
1004
1005 if (chap_rec.chap_type == CHAP_TYPE_IN)
1006 type = BIDI_CHAP;
1007 else
1008 type = LOCAL_CHAP;
1009
1010 if (is_qla80XX(ha))
1011 max_chap_entries = (ha->hw.flt_chap_size / 2) /
1012 sizeof(struct ql4_chap_table);
1013 else
1014 max_chap_entries = MAX_CHAP_ENTRIES_40XX;
1015
1016 mutex_lock(&ha->chap_sem);
1017 if (chap_rec.chap_tbl_idx < max_chap_entries) {
1018 rc = qla4xxx_get_chap_by_index(ha, chap_rec.chap_tbl_idx,
1019 &chap_entry);
1020 if (!rc) {
1021 if (!(type == qla4xxx_get_chap_type(chap_entry))) {
1022 ql4_printk(KERN_INFO, ha,
1023 "Type mismatch for CHAP entry %d\n",
1024 chap_rec.chap_tbl_idx);
1025 rc = -EINVAL;
1026 goto exit_unlock_chap;
1027 }
1028
1029
1030 rc = qla4xxx_is_chap_active(shost,
1031 chap_rec.chap_tbl_idx);
1032 if (rc) {
1033 ql4_printk(KERN_INFO, ha,
1034 "CHAP entry %d is in use\n",
1035 chap_rec.chap_tbl_idx);
1036 rc = -EBUSY;
1037 goto exit_unlock_chap;
1038 }
1039 }
1040 } else {
1041 rc = qla4xxx_find_free_chap_index(ha, &chap_rec.chap_tbl_idx);
1042 if (rc) {
1043 ql4_printk(KERN_INFO, ha, "CHAP entry not available\n");
1044 rc = -EBUSY;
1045 goto exit_unlock_chap;
1046 }
1047 }
1048
1049 rc = qla4xxx_set_chap(ha, chap_rec.username, chap_rec.password,
1050 chap_rec.chap_tbl_idx, type);
1051
1052exit_unlock_chap:
1053 mutex_unlock(&ha->chap_sem);
1054
1055exit_set_chap:
1056 return rc;
1057}
1058
1059
1060static int qla4xxx_get_host_stats(struct Scsi_Host *shost, char *buf, int len)
1061{
1062 struct scsi_qla_host *ha = to_qla_host(shost);
1063 struct iscsi_offload_host_stats *host_stats = NULL;
1064 int host_stats_size;
1065 int ret = 0;
1066 int ddb_idx = 0;
1067 struct ql_iscsi_stats *ql_iscsi_stats = NULL;
1068 int stats_size;
1069 dma_addr_t iscsi_stats_dma;
1070
1071 DEBUG2(ql4_printk(KERN_INFO, ha, "Func: %s\n", __func__));
1072
1073 host_stats_size = sizeof(struct iscsi_offload_host_stats);
1074
1075 if (host_stats_size != len) {
1076 ql4_printk(KERN_INFO, ha, "%s: host_stats size mismatch expected = %d, is = %d\n",
1077 __func__, len, host_stats_size);
1078 ret = -EINVAL;
1079 goto exit_host_stats;
1080 }
1081 host_stats = (struct iscsi_offload_host_stats *)buf;
1082
1083 if (!buf) {
1084 ret = -ENOMEM;
1085 goto exit_host_stats;
1086 }
1087
1088 stats_size = PAGE_ALIGN(sizeof(struct ql_iscsi_stats));
1089
1090 ql_iscsi_stats = dma_alloc_coherent(&ha->pdev->dev, stats_size,
1091 &iscsi_stats_dma, GFP_KERNEL);
1092 if (!ql_iscsi_stats) {
1093 ql4_printk(KERN_ERR, ha,
1094 "Unable to allocate memory for iscsi stats\n");
1095 ret = -ENOMEM;
1096 goto exit_host_stats;
1097 }
1098
1099 ret = qla4xxx_get_mgmt_data(ha, ddb_idx, stats_size,
1100 iscsi_stats_dma);
1101 if (ret != QLA_SUCCESS) {
1102 ql4_printk(KERN_ERR, ha,
1103 "Unable to retrieve iscsi stats\n");
1104 ret = -EIO;
1105 goto exit_host_stats;
1106 }
1107 host_stats->mactx_frames = le64_to_cpu(ql_iscsi_stats->mac_tx_frames);
1108 host_stats->mactx_bytes = le64_to_cpu(ql_iscsi_stats->mac_tx_bytes);
1109 host_stats->mactx_multicast_frames =
1110 le64_to_cpu(ql_iscsi_stats->mac_tx_multicast_frames);
1111 host_stats->mactx_broadcast_frames =
1112 le64_to_cpu(ql_iscsi_stats->mac_tx_broadcast_frames);
1113 host_stats->mactx_pause_frames =
1114 le64_to_cpu(ql_iscsi_stats->mac_tx_pause_frames);
1115 host_stats->mactx_control_frames =
1116 le64_to_cpu(ql_iscsi_stats->mac_tx_control_frames);
1117 host_stats->mactx_deferral =
1118 le64_to_cpu(ql_iscsi_stats->mac_tx_deferral);
1119 host_stats->mactx_excess_deferral =
1120 le64_to_cpu(ql_iscsi_stats->mac_tx_excess_deferral);
1121 host_stats->mactx_late_collision =
1122 le64_to_cpu(ql_iscsi_stats->mac_tx_late_collision);
1123 host_stats->mactx_abort = le64_to_cpu(ql_iscsi_stats->mac_tx_abort);
1124 host_stats->mactx_single_collision =
1125 le64_to_cpu(ql_iscsi_stats->mac_tx_single_collision);
1126 host_stats->mactx_multiple_collision =
1127 le64_to_cpu(ql_iscsi_stats->mac_tx_multiple_collision);
1128 host_stats->mactx_collision =
1129 le64_to_cpu(ql_iscsi_stats->mac_tx_collision);
1130 host_stats->mactx_frames_dropped =
1131 le64_to_cpu(ql_iscsi_stats->mac_tx_frames_dropped);
1132 host_stats->mactx_jumbo_frames =
1133 le64_to_cpu(ql_iscsi_stats->mac_tx_jumbo_frames);
1134 host_stats->macrx_frames = le64_to_cpu(ql_iscsi_stats->mac_rx_frames);
1135 host_stats->macrx_bytes = le64_to_cpu(ql_iscsi_stats->mac_rx_bytes);
1136 host_stats->macrx_unknown_control_frames =
1137 le64_to_cpu(ql_iscsi_stats->mac_rx_unknown_control_frames);
1138 host_stats->macrx_pause_frames =
1139 le64_to_cpu(ql_iscsi_stats->mac_rx_pause_frames);
1140 host_stats->macrx_control_frames =
1141 le64_to_cpu(ql_iscsi_stats->mac_rx_control_frames);
1142 host_stats->macrx_dribble =
1143 le64_to_cpu(ql_iscsi_stats->mac_rx_dribble);
1144 host_stats->macrx_frame_length_error =
1145 le64_to_cpu(ql_iscsi_stats->mac_rx_frame_length_error);
1146 host_stats->macrx_jabber = le64_to_cpu(ql_iscsi_stats->mac_rx_jabber);
1147 host_stats->macrx_carrier_sense_error =
1148 le64_to_cpu(ql_iscsi_stats->mac_rx_carrier_sense_error);
1149 host_stats->macrx_frame_discarded =
1150 le64_to_cpu(ql_iscsi_stats->mac_rx_frame_discarded);
1151 host_stats->macrx_frames_dropped =
1152 le64_to_cpu(ql_iscsi_stats->mac_rx_frames_dropped);
1153 host_stats->mac_crc_error = le64_to_cpu(ql_iscsi_stats->mac_crc_error);
1154 host_stats->mac_encoding_error =
1155 le64_to_cpu(ql_iscsi_stats->mac_encoding_error);
1156 host_stats->macrx_length_error_large =
1157 le64_to_cpu(ql_iscsi_stats->mac_rx_length_error_large);
1158 host_stats->macrx_length_error_small =
1159 le64_to_cpu(ql_iscsi_stats->mac_rx_length_error_small);
1160 host_stats->macrx_multicast_frames =
1161 le64_to_cpu(ql_iscsi_stats->mac_rx_multicast_frames);
1162 host_stats->macrx_broadcast_frames =
1163 le64_to_cpu(ql_iscsi_stats->mac_rx_broadcast_frames);
1164 host_stats->iptx_packets = le64_to_cpu(ql_iscsi_stats->ip_tx_packets);
1165 host_stats->iptx_bytes = le64_to_cpu(ql_iscsi_stats->ip_tx_bytes);
1166 host_stats->iptx_fragments =
1167 le64_to_cpu(ql_iscsi_stats->ip_tx_fragments);
1168 host_stats->iprx_packets = le64_to_cpu(ql_iscsi_stats->ip_rx_packets);
1169 host_stats->iprx_bytes = le64_to_cpu(ql_iscsi_stats->ip_rx_bytes);
1170 host_stats->iprx_fragments =
1171 le64_to_cpu(ql_iscsi_stats->ip_rx_fragments);
1172 host_stats->ip_datagram_reassembly =
1173 le64_to_cpu(ql_iscsi_stats->ip_datagram_reassembly);
1174 host_stats->ip_invalid_address_error =
1175 le64_to_cpu(ql_iscsi_stats->ip_invalid_address_error);
1176 host_stats->ip_error_packets =
1177 le64_to_cpu(ql_iscsi_stats->ip_error_packets);
1178 host_stats->ip_fragrx_overlap =
1179 le64_to_cpu(ql_iscsi_stats->ip_fragrx_overlap);
1180 host_stats->ip_fragrx_outoforder =
1181 le64_to_cpu(ql_iscsi_stats->ip_fragrx_outoforder);
1182 host_stats->ip_datagram_reassembly_timeout =
1183 le64_to_cpu(ql_iscsi_stats->ip_datagram_reassembly_timeout);
1184 host_stats->ipv6tx_packets =
1185 le64_to_cpu(ql_iscsi_stats->ipv6_tx_packets);
1186 host_stats->ipv6tx_bytes = le64_to_cpu(ql_iscsi_stats->ipv6_tx_bytes);
1187 host_stats->ipv6tx_fragments =
1188 le64_to_cpu(ql_iscsi_stats->ipv6_tx_fragments);
1189 host_stats->ipv6rx_packets =
1190 le64_to_cpu(ql_iscsi_stats->ipv6_rx_packets);
1191 host_stats->ipv6rx_bytes = le64_to_cpu(ql_iscsi_stats->ipv6_rx_bytes);
1192 host_stats->ipv6rx_fragments =
1193 le64_to_cpu(ql_iscsi_stats->ipv6_rx_fragments);
1194 host_stats->ipv6_datagram_reassembly =
1195 le64_to_cpu(ql_iscsi_stats->ipv6_datagram_reassembly);
1196 host_stats->ipv6_invalid_address_error =
1197 le64_to_cpu(ql_iscsi_stats->ipv6_invalid_address_error);
1198 host_stats->ipv6_error_packets =
1199 le64_to_cpu(ql_iscsi_stats->ipv6_error_packets);
1200 host_stats->ipv6_fragrx_overlap =
1201 le64_to_cpu(ql_iscsi_stats->ipv6_fragrx_overlap);
1202 host_stats->ipv6_fragrx_outoforder =
1203 le64_to_cpu(ql_iscsi_stats->ipv6_fragrx_outoforder);
1204 host_stats->ipv6_datagram_reassembly_timeout =
1205 le64_to_cpu(ql_iscsi_stats->ipv6_datagram_reassembly_timeout);
1206 host_stats->tcptx_segments =
1207 le64_to_cpu(ql_iscsi_stats->tcp_tx_segments);
1208 host_stats->tcptx_bytes = le64_to_cpu(ql_iscsi_stats->tcp_tx_bytes);
1209 host_stats->tcprx_segments =
1210 le64_to_cpu(ql_iscsi_stats->tcp_rx_segments);
1211 host_stats->tcprx_byte = le64_to_cpu(ql_iscsi_stats->tcp_rx_byte);
1212 host_stats->tcp_duplicate_ack_retx =
1213 le64_to_cpu(ql_iscsi_stats->tcp_duplicate_ack_retx);
1214 host_stats->tcp_retx_timer_expired =
1215 le64_to_cpu(ql_iscsi_stats->tcp_retx_timer_expired);
1216 host_stats->tcprx_duplicate_ack =
1217 le64_to_cpu(ql_iscsi_stats->tcp_rx_duplicate_ack);
1218 host_stats->tcprx_pure_ackr =
1219 le64_to_cpu(ql_iscsi_stats->tcp_rx_pure_ackr);
1220 host_stats->tcptx_delayed_ack =
1221 le64_to_cpu(ql_iscsi_stats->tcp_tx_delayed_ack);
1222 host_stats->tcptx_pure_ack =
1223 le64_to_cpu(ql_iscsi_stats->tcp_tx_pure_ack);
1224 host_stats->tcprx_segment_error =
1225 le64_to_cpu(ql_iscsi_stats->tcp_rx_segment_error);
1226 host_stats->tcprx_segment_outoforder =
1227 le64_to_cpu(ql_iscsi_stats->tcp_rx_segment_outoforder);
1228 host_stats->tcprx_window_probe =
1229 le64_to_cpu(ql_iscsi_stats->tcp_rx_window_probe);
1230 host_stats->tcprx_window_update =
1231 le64_to_cpu(ql_iscsi_stats->tcp_rx_window_update);
1232 host_stats->tcptx_window_probe_persist =
1233 le64_to_cpu(ql_iscsi_stats->tcp_tx_window_probe_persist);
1234 host_stats->ecc_error_correction =
1235 le64_to_cpu(ql_iscsi_stats->ecc_error_correction);
1236 host_stats->iscsi_pdu_tx = le64_to_cpu(ql_iscsi_stats->iscsi_pdu_tx);
1237 host_stats->iscsi_data_bytes_tx =
1238 le64_to_cpu(ql_iscsi_stats->iscsi_data_bytes_tx);
1239 host_stats->iscsi_pdu_rx = le64_to_cpu(ql_iscsi_stats->iscsi_pdu_rx);
1240 host_stats->iscsi_data_bytes_rx =
1241 le64_to_cpu(ql_iscsi_stats->iscsi_data_bytes_rx);
1242 host_stats->iscsi_io_completed =
1243 le64_to_cpu(ql_iscsi_stats->iscsi_io_completed);
1244 host_stats->iscsi_unexpected_io_rx =
1245 le64_to_cpu(ql_iscsi_stats->iscsi_unexpected_io_rx);
1246 host_stats->iscsi_format_error =
1247 le64_to_cpu(ql_iscsi_stats->iscsi_format_error);
1248 host_stats->iscsi_hdr_digest_error =
1249 le64_to_cpu(ql_iscsi_stats->iscsi_hdr_digest_error);
1250 host_stats->iscsi_data_digest_error =
1251 le64_to_cpu(ql_iscsi_stats->iscsi_data_digest_error);
1252 host_stats->iscsi_sequence_error =
1253 le64_to_cpu(ql_iscsi_stats->iscsi_sequence_error);
1254exit_host_stats:
1255 if (ql_iscsi_stats)
1256 dma_free_coherent(&ha->pdev->dev, stats_size,
1257 ql_iscsi_stats, iscsi_stats_dma);
1258
1259 ql4_printk(KERN_INFO, ha, "%s: Get host stats done\n",
1260 __func__);
1261 return ret;
1262}
1263
1264static int qla4xxx_get_iface_param(struct iscsi_iface *iface,
1265 enum iscsi_param_type param_type,
1266 int param, char *buf)
1267{
1268 struct Scsi_Host *shost = iscsi_iface_to_shost(iface);
1269 struct scsi_qla_host *ha = to_qla_host(shost);
1270 int ival;
1271 char *pval = NULL;
1272 int len = -ENOSYS;
1273
1274 if (param_type == ISCSI_NET_PARAM) {
1275 switch (param) {
1276 case ISCSI_NET_PARAM_IPV4_ADDR:
1277 len = sprintf(buf, "%pI4\n", &ha->ip_config.ip_address);
1278 break;
1279 case ISCSI_NET_PARAM_IPV4_SUBNET:
1280 len = sprintf(buf, "%pI4\n",
1281 &ha->ip_config.subnet_mask);
1282 break;
1283 case ISCSI_NET_PARAM_IPV4_GW:
1284 len = sprintf(buf, "%pI4\n", &ha->ip_config.gateway);
1285 break;
1286 case ISCSI_NET_PARAM_IFACE_ENABLE:
1287 if (iface->iface_type == ISCSI_IFACE_TYPE_IPV4) {
1288 OP_STATE(ha->ip_config.ipv4_options,
1289 IPOPT_IPV4_PROTOCOL_ENABLE, pval);
1290 } else {
1291 OP_STATE(ha->ip_config.ipv6_options,
1292 IPV6_OPT_IPV6_PROTOCOL_ENABLE, pval);
1293 }
1294
1295 len = sprintf(buf, "%s\n", pval);
1296 break;
1297 case ISCSI_NET_PARAM_IPV4_BOOTPROTO:
1298 len = sprintf(buf, "%s\n",
1299 (ha->ip_config.tcp_options &
1300 TCPOPT_DHCP_ENABLE) ?
1301 "dhcp" : "static");
1302 break;
1303 case ISCSI_NET_PARAM_IPV6_ADDR:
1304 if (iface->iface_num == 0)
1305 len = sprintf(buf, "%pI6\n",
1306 &ha->ip_config.ipv6_addr0);
1307 if (iface->iface_num == 1)
1308 len = sprintf(buf, "%pI6\n",
1309 &ha->ip_config.ipv6_addr1);
1310 break;
1311 case ISCSI_NET_PARAM_IPV6_LINKLOCAL:
1312 len = sprintf(buf, "%pI6\n",
1313 &ha->ip_config.ipv6_link_local_addr);
1314 break;
1315 case ISCSI_NET_PARAM_IPV6_ROUTER:
1316 len = sprintf(buf, "%pI6\n",
1317 &ha->ip_config.ipv6_default_router_addr);
1318 break;
1319 case ISCSI_NET_PARAM_IPV6_ADDR_AUTOCFG:
1320 pval = (ha->ip_config.ipv6_addl_options &
1321 IPV6_ADDOPT_NEIGHBOR_DISCOVERY_ADDR_ENABLE) ?
1322 "nd" : "static";
1323
1324 len = sprintf(buf, "%s\n", pval);
1325 break;
1326 case ISCSI_NET_PARAM_IPV6_LINKLOCAL_AUTOCFG:
1327 pval = (ha->ip_config.ipv6_addl_options &
1328 IPV6_ADDOPT_AUTOCONFIG_LINK_LOCAL_ADDR) ?
1329 "auto" : "static";
1330
1331 len = sprintf(buf, "%s\n", pval);
1332 break;
1333 case ISCSI_NET_PARAM_VLAN_ID:
1334 if (iface->iface_type == ISCSI_IFACE_TYPE_IPV4)
1335 ival = ha->ip_config.ipv4_vlan_tag &
1336 ISCSI_MAX_VLAN_ID;
1337 else
1338 ival = ha->ip_config.ipv6_vlan_tag &
1339 ISCSI_MAX_VLAN_ID;
1340
1341 len = sprintf(buf, "%d\n", ival);
1342 break;
1343 case ISCSI_NET_PARAM_VLAN_PRIORITY:
1344 if (iface->iface_type == ISCSI_IFACE_TYPE_IPV4)
1345 ival = (ha->ip_config.ipv4_vlan_tag >> 13) &
1346 ISCSI_MAX_VLAN_PRIORITY;
1347 else
1348 ival = (ha->ip_config.ipv6_vlan_tag >> 13) &
1349 ISCSI_MAX_VLAN_PRIORITY;
1350
1351 len = sprintf(buf, "%d\n", ival);
1352 break;
1353 case ISCSI_NET_PARAM_VLAN_ENABLED:
1354 if (iface->iface_type == ISCSI_IFACE_TYPE_IPV4) {
1355 OP_STATE(ha->ip_config.ipv4_options,
1356 IPOPT_VLAN_TAGGING_ENABLE, pval);
1357 } else {
1358 OP_STATE(ha->ip_config.ipv6_options,
1359 IPV6_OPT_VLAN_TAGGING_ENABLE, pval);
1360 }
1361 len = sprintf(buf, "%s\n", pval);
1362 break;
1363 case ISCSI_NET_PARAM_MTU:
1364 len = sprintf(buf, "%d\n", ha->ip_config.eth_mtu_size);
1365 break;
1366 case ISCSI_NET_PARAM_PORT:
1367 if (iface->iface_type == ISCSI_IFACE_TYPE_IPV4)
1368 len = sprintf(buf, "%d\n",
1369 ha->ip_config.ipv4_port);
1370 else
1371 len = sprintf(buf, "%d\n",
1372 ha->ip_config.ipv6_port);
1373 break;
1374 case ISCSI_NET_PARAM_IPADDR_STATE:
1375 if (iface->iface_type == ISCSI_IFACE_TYPE_IPV4) {
1376 pval = iscsi_get_ipaddress_state_name(
1377 ha->ip_config.ipv4_addr_state);
1378 } else {
1379 if (iface->iface_num == 0)
1380 pval = iscsi_get_ipaddress_state_name(
1381 ha->ip_config.ipv6_addr0_state);
1382 else if (iface->iface_num == 1)
1383 pval = iscsi_get_ipaddress_state_name(
1384 ha->ip_config.ipv6_addr1_state);
1385 }
1386
1387 len = sprintf(buf, "%s\n", pval);
1388 break;
1389 case ISCSI_NET_PARAM_IPV6_LINKLOCAL_STATE:
1390 pval = iscsi_get_ipaddress_state_name(
1391 ha->ip_config.ipv6_link_local_state);
1392 len = sprintf(buf, "%s\n", pval);
1393 break;
1394 case ISCSI_NET_PARAM_IPV6_ROUTER_STATE:
1395 pval = iscsi_get_router_state_name(
1396 ha->ip_config.ipv6_default_router_state);
1397 len = sprintf(buf, "%s\n", pval);
1398 break;
1399 case ISCSI_NET_PARAM_DELAYED_ACK_EN:
1400 if (iface->iface_type == ISCSI_IFACE_TYPE_IPV4) {
1401 OP_STATE(~ha->ip_config.tcp_options,
1402 TCPOPT_DELAYED_ACK_DISABLE, pval);
1403 } else {
1404 OP_STATE(~ha->ip_config.ipv6_tcp_options,
1405 IPV6_TCPOPT_DELAYED_ACK_DISABLE, pval);
1406 }
1407 len = sprintf(buf, "%s\n", pval);
1408 break;
1409 case ISCSI_NET_PARAM_TCP_NAGLE_DISABLE:
1410 if (iface->iface_type == ISCSI_IFACE_TYPE_IPV4) {
1411 OP_STATE(~ha->ip_config.tcp_options,
1412 TCPOPT_NAGLE_ALGO_DISABLE, pval);
1413 } else {
1414 OP_STATE(~ha->ip_config.ipv6_tcp_options,
1415 IPV6_TCPOPT_NAGLE_ALGO_DISABLE, pval);
1416 }
1417 len = sprintf(buf, "%s\n", pval);
1418 break;
1419 case ISCSI_NET_PARAM_TCP_WSF_DISABLE:
1420 if (iface->iface_type == ISCSI_IFACE_TYPE_IPV4) {
1421 OP_STATE(~ha->ip_config.tcp_options,
1422 TCPOPT_WINDOW_SCALE_DISABLE, pval);
1423 } else {
1424 OP_STATE(~ha->ip_config.ipv6_tcp_options,
1425 IPV6_TCPOPT_WINDOW_SCALE_DISABLE,
1426 pval);
1427 }
1428 len = sprintf(buf, "%s\n", pval);
1429 break;
1430 case ISCSI_NET_PARAM_TCP_WSF:
1431 if (iface->iface_type == ISCSI_IFACE_TYPE_IPV4)
1432 len = sprintf(buf, "%d\n",
1433 ha->ip_config.tcp_wsf);
1434 else
1435 len = sprintf(buf, "%d\n",
1436 ha->ip_config.ipv6_tcp_wsf);
1437 break;
1438 case ISCSI_NET_PARAM_TCP_TIMER_SCALE:
1439 if (iface->iface_type == ISCSI_IFACE_TYPE_IPV4)
1440 ival = (ha->ip_config.tcp_options &
1441 TCPOPT_TIMER_SCALE) >> 1;
1442 else
1443 ival = (ha->ip_config.ipv6_tcp_options &
1444 IPV6_TCPOPT_TIMER_SCALE) >> 1;
1445
1446 len = sprintf(buf, "%d\n", ival);
1447 break;
1448 case ISCSI_NET_PARAM_TCP_TIMESTAMP_EN:
1449 if (iface->iface_type == ISCSI_IFACE_TYPE_IPV4) {
1450 OP_STATE(ha->ip_config.tcp_options,
1451 TCPOPT_TIMESTAMP_ENABLE, pval);
1452 } else {
1453 OP_STATE(ha->ip_config.ipv6_tcp_options,
1454 IPV6_TCPOPT_TIMESTAMP_EN, pval);
1455 }
1456 len = sprintf(buf, "%s\n", pval);
1457 break;
1458 case ISCSI_NET_PARAM_CACHE_ID:
1459 if (iface->iface_type == ISCSI_IFACE_TYPE_IPV4)
1460 len = sprintf(buf, "%d\n",
1461 ha->ip_config.ipv4_cache_id);
1462 else
1463 len = sprintf(buf, "%d\n",
1464 ha->ip_config.ipv6_cache_id);
1465 break;
1466 case ISCSI_NET_PARAM_IPV4_DHCP_DNS_ADDR_EN:
1467 OP_STATE(ha->ip_config.tcp_options,
1468 TCPOPT_DNS_SERVER_IP_EN, pval);
1469
1470 len = sprintf(buf, "%s\n", pval);
1471 break;
1472 case ISCSI_NET_PARAM_IPV4_DHCP_SLP_DA_EN:
1473 OP_STATE(ha->ip_config.tcp_options,
1474 TCPOPT_SLP_DA_INFO_EN, pval);
1475
1476 len = sprintf(buf, "%s\n", pval);
1477 break;
1478 case ISCSI_NET_PARAM_IPV4_TOS_EN:
1479 OP_STATE(ha->ip_config.ipv4_options,
1480 IPOPT_IPV4_TOS_EN, pval);
1481
1482 len = sprintf(buf, "%s\n", pval);
1483 break;
1484 case ISCSI_NET_PARAM_IPV4_TOS:
1485 len = sprintf(buf, "%d\n", ha->ip_config.ipv4_tos);
1486 break;
1487 case ISCSI_NET_PARAM_IPV4_GRAT_ARP_EN:
1488 OP_STATE(ha->ip_config.ipv4_options,
1489 IPOPT_GRAT_ARP_EN, pval);
1490
1491 len = sprintf(buf, "%s\n", pval);
1492 break;
1493 case ISCSI_NET_PARAM_IPV4_DHCP_ALT_CLIENT_ID_EN:
1494 OP_STATE(ha->ip_config.ipv4_options, IPOPT_ALT_CID_EN,
1495 pval);
1496
1497 len = sprintf(buf, "%s\n", pval);
1498 break;
1499 case ISCSI_NET_PARAM_IPV4_DHCP_ALT_CLIENT_ID:
1500 pval = (ha->ip_config.ipv4_alt_cid_len) ?
1501 (char *)ha->ip_config.ipv4_alt_cid : "";
1502
1503 len = sprintf(buf, "%s\n", pval);
1504 break;
1505 case ISCSI_NET_PARAM_IPV4_DHCP_REQ_VENDOR_ID_EN:
1506 OP_STATE(ha->ip_config.ipv4_options,
1507 IPOPT_REQ_VID_EN, pval);
1508
1509 len = sprintf(buf, "%s\n", pval);
1510 break;
1511 case ISCSI_NET_PARAM_IPV4_DHCP_USE_VENDOR_ID_EN:
1512 OP_STATE(ha->ip_config.ipv4_options,
1513 IPOPT_USE_VID_EN, pval);
1514
1515 len = sprintf(buf, "%s\n", pval);
1516 break;
1517 case ISCSI_NET_PARAM_IPV4_DHCP_VENDOR_ID:
1518 pval = (ha->ip_config.ipv4_vid_len) ?
1519 (char *)ha->ip_config.ipv4_vid : "";
1520
1521 len = sprintf(buf, "%s\n", pval);
1522 break;
1523 case ISCSI_NET_PARAM_IPV4_DHCP_LEARN_IQN_EN:
1524 OP_STATE(ha->ip_config.ipv4_options,
1525 IPOPT_LEARN_IQN_EN, pval);
1526
1527 len = sprintf(buf, "%s\n", pval);
1528 break;
1529 case ISCSI_NET_PARAM_IPV4_FRAGMENT_DISABLE:
1530 OP_STATE(~ha->ip_config.ipv4_options,
1531 IPOPT_FRAGMENTATION_DISABLE, pval);
1532
1533 len = sprintf(buf, "%s\n", pval);
1534 break;
1535 case ISCSI_NET_PARAM_IPV4_IN_FORWARD_EN:
1536 OP_STATE(ha->ip_config.ipv4_options,
1537 IPOPT_IN_FORWARD_EN, pval);
1538
1539 len = sprintf(buf, "%s\n", pval);
1540 break;
1541 case ISCSI_NET_PARAM_REDIRECT_EN:
1542 if (iface->iface_type == ISCSI_IFACE_TYPE_IPV4) {
1543 OP_STATE(ha->ip_config.ipv4_options,
1544 IPOPT_ARP_REDIRECT_EN, pval);
1545 } else {
1546 OP_STATE(ha->ip_config.ipv6_options,
1547 IPV6_OPT_REDIRECT_EN, pval);
1548 }
1549 len = sprintf(buf, "%s\n", pval);
1550 break;
1551 case ISCSI_NET_PARAM_IPV4_TTL:
1552 len = sprintf(buf, "%d\n", ha->ip_config.ipv4_ttl);
1553 break;
1554 case ISCSI_NET_PARAM_IPV6_GRAT_NEIGHBOR_ADV_EN:
1555 OP_STATE(ha->ip_config.ipv6_options,
1556 IPV6_OPT_GRAT_NEIGHBOR_ADV_EN, pval);
1557
1558 len = sprintf(buf, "%s\n", pval);
1559 break;
1560 case ISCSI_NET_PARAM_IPV6_MLD_EN:
1561 OP_STATE(ha->ip_config.ipv6_addl_options,
1562 IPV6_ADDOPT_MLD_EN, pval);
1563
1564 len = sprintf(buf, "%s\n", pval);
1565 break;
1566 case ISCSI_NET_PARAM_IPV6_FLOW_LABEL:
1567 len = sprintf(buf, "%u\n", ha->ip_config.ipv6_flow_lbl);
1568 break;
1569 case ISCSI_NET_PARAM_IPV6_TRAFFIC_CLASS:
1570 len = sprintf(buf, "%d\n",
1571 ha->ip_config.ipv6_traffic_class);
1572 break;
1573 case ISCSI_NET_PARAM_IPV6_HOP_LIMIT:
1574 len = sprintf(buf, "%d\n",
1575 ha->ip_config.ipv6_hop_limit);
1576 break;
1577 case ISCSI_NET_PARAM_IPV6_ND_REACHABLE_TMO:
1578 len = sprintf(buf, "%d\n",
1579 ha->ip_config.ipv6_nd_reach_time);
1580 break;
1581 case ISCSI_NET_PARAM_IPV6_ND_REXMIT_TIME:
1582 len = sprintf(buf, "%d\n",
1583 ha->ip_config.ipv6_nd_rexmit_timer);
1584 break;
1585 case ISCSI_NET_PARAM_IPV6_ND_STALE_TMO:
1586 len = sprintf(buf, "%d\n",
1587 ha->ip_config.ipv6_nd_stale_timeout);
1588 break;
1589 case ISCSI_NET_PARAM_IPV6_DUP_ADDR_DETECT_CNT:
1590 len = sprintf(buf, "%d\n",
1591 ha->ip_config.ipv6_dup_addr_detect_count);
1592 break;
1593 case ISCSI_NET_PARAM_IPV6_RTR_ADV_LINK_MTU:
1594 len = sprintf(buf, "%d\n",
1595 ha->ip_config.ipv6_gw_advrt_mtu);
1596 break;
1597 default:
1598 len = -ENOSYS;
1599 }
1600 } else if (param_type == ISCSI_IFACE_PARAM) {
1601 switch (param) {
1602 case ISCSI_IFACE_PARAM_DEF_TASKMGMT_TMO:
1603 len = sprintf(buf, "%d\n", ha->ip_config.def_timeout);
1604 break;
1605 case ISCSI_IFACE_PARAM_HDRDGST_EN:
1606 OP_STATE(ha->ip_config.iscsi_options,
1607 ISCSIOPTS_HEADER_DIGEST_EN, pval);
1608
1609 len = sprintf(buf, "%s\n", pval);
1610 break;
1611 case ISCSI_IFACE_PARAM_DATADGST_EN:
1612 OP_STATE(ha->ip_config.iscsi_options,
1613 ISCSIOPTS_DATA_DIGEST_EN, pval);
1614
1615 len = sprintf(buf, "%s\n", pval);
1616 break;
1617 case ISCSI_IFACE_PARAM_IMM_DATA_EN:
1618 OP_STATE(ha->ip_config.iscsi_options,
1619 ISCSIOPTS_IMMEDIATE_DATA_EN, pval);
1620
1621 len = sprintf(buf, "%s\n", pval);
1622 break;
1623 case ISCSI_IFACE_PARAM_INITIAL_R2T_EN:
1624 OP_STATE(ha->ip_config.iscsi_options,
1625 ISCSIOPTS_INITIAL_R2T_EN, pval);
1626
1627 len = sprintf(buf, "%s\n", pval);
1628 break;
1629 case ISCSI_IFACE_PARAM_DATASEQ_INORDER_EN:
1630 OP_STATE(ha->ip_config.iscsi_options,
1631 ISCSIOPTS_DATA_SEQ_INORDER_EN, pval);
1632
1633 len = sprintf(buf, "%s\n", pval);
1634 break;
1635 case ISCSI_IFACE_PARAM_PDU_INORDER_EN:
1636 OP_STATE(ha->ip_config.iscsi_options,
1637 ISCSIOPTS_DATA_PDU_INORDER_EN, pval);
1638
1639 len = sprintf(buf, "%s\n", pval);
1640 break;
1641 case ISCSI_IFACE_PARAM_ERL:
1642 len = sprintf(buf, "%d\n",
1643 (ha->ip_config.iscsi_options &
1644 ISCSIOPTS_ERL));
1645 break;
1646 case ISCSI_IFACE_PARAM_MAX_RECV_DLENGTH:
1647 len = sprintf(buf, "%u\n",
1648 ha->ip_config.iscsi_max_pdu_size *
1649 BYTE_UNITS);
1650 break;
1651 case ISCSI_IFACE_PARAM_FIRST_BURST:
1652 len = sprintf(buf, "%u\n",
1653 ha->ip_config.iscsi_first_burst_len *
1654 BYTE_UNITS);
1655 break;
1656 case ISCSI_IFACE_PARAM_MAX_R2T:
1657 len = sprintf(buf, "%d\n",
1658 ha->ip_config.iscsi_max_outstnd_r2t);
1659 break;
1660 case ISCSI_IFACE_PARAM_MAX_BURST:
1661 len = sprintf(buf, "%u\n",
1662 ha->ip_config.iscsi_max_burst_len *
1663 BYTE_UNITS);
1664 break;
1665 case ISCSI_IFACE_PARAM_CHAP_AUTH_EN:
1666 OP_STATE(ha->ip_config.iscsi_options,
1667 ISCSIOPTS_CHAP_AUTH_EN, pval);
1668
1669 len = sprintf(buf, "%s\n", pval);
1670 break;
1671 case ISCSI_IFACE_PARAM_BIDI_CHAP_EN:
1672 OP_STATE(ha->ip_config.iscsi_options,
1673 ISCSIOPTS_BIDI_CHAP_EN, pval);
1674
1675 len = sprintf(buf, "%s\n", pval);
1676 break;
1677 case ISCSI_IFACE_PARAM_DISCOVERY_AUTH_OPTIONAL:
1678 OP_STATE(ha->ip_config.iscsi_options,
1679 ISCSIOPTS_DISCOVERY_AUTH_EN, pval);
1680
1681 len = sprintf(buf, "%s\n", pval);
1682 break;
1683 case ISCSI_IFACE_PARAM_DISCOVERY_LOGOUT_EN:
1684 OP_STATE(ha->ip_config.iscsi_options,
1685 ISCSIOPTS_DISCOVERY_LOGOUT_EN, pval);
1686
1687 len = sprintf(buf, "%s\n", pval);
1688 break;
1689 case ISCSI_IFACE_PARAM_STRICT_LOGIN_COMP_EN:
1690 OP_STATE(ha->ip_config.iscsi_options,
1691 ISCSIOPTS_STRICT_LOGIN_COMP_EN, pval);
1692
1693 len = sprintf(buf, "%s\n", pval);
1694 break;
1695 case ISCSI_IFACE_PARAM_INITIATOR_NAME:
1696 len = sprintf(buf, "%s\n", ha->ip_config.iscsi_name);
1697 break;
1698 default:
1699 len = -ENOSYS;
1700 }
1701 }
1702
1703 return len;
1704}
1705
1706static struct iscsi_endpoint *
1707qla4xxx_ep_connect(struct Scsi_Host *shost, struct sockaddr *dst_addr,
1708 int non_blocking)
1709{
1710 int ret;
1711 struct iscsi_endpoint *ep;
1712 struct qla_endpoint *qla_ep;
1713 struct scsi_qla_host *ha;
1714 struct sockaddr_in *addr;
1715 struct sockaddr_in6 *addr6;
1716
1717 if (!shost) {
1718 ret = -ENXIO;
1719 pr_err("%s: shost is NULL\n", __func__);
1720 return ERR_PTR(ret);
1721 }
1722
1723 ha = iscsi_host_priv(shost);
1724 ep = iscsi_create_endpoint(sizeof(struct qla_endpoint));
1725 if (!ep) {
1726 ret = -ENOMEM;
1727 return ERR_PTR(ret);
1728 }
1729
1730 qla_ep = ep->dd_data;
1731 memset(qla_ep, 0, sizeof(struct qla_endpoint));
1732 if (dst_addr->sa_family == AF_INET) {
1733 memcpy(&qla_ep->dst_addr, dst_addr, sizeof(struct sockaddr_in));
1734 addr = (struct sockaddr_in *)&qla_ep->dst_addr;
1735 DEBUG2(ql4_printk(KERN_INFO, ha, "%s: %pI4\n", __func__,
1736 (char *)&addr->sin_addr));
1737 } else if (dst_addr->sa_family == AF_INET6) {
1738 memcpy(&qla_ep->dst_addr, dst_addr,
1739 sizeof(struct sockaddr_in6));
1740 addr6 = (struct sockaddr_in6 *)&qla_ep->dst_addr;
1741 DEBUG2(ql4_printk(KERN_INFO, ha, "%s: %pI6\n", __func__,
1742 (char *)&addr6->sin6_addr));
1743 } else {
1744 ql4_printk(KERN_WARNING, ha, "%s: Invalid endpoint\n",
1745 __func__);
1746 }
1747
1748 qla_ep->host = shost;
1749
1750 return ep;
1751}
1752
1753static int qla4xxx_ep_poll(struct iscsi_endpoint *ep, int timeout_ms)
1754{
1755 struct qla_endpoint *qla_ep;
1756 struct scsi_qla_host *ha;
1757 int ret = 0;
1758
1759 qla_ep = ep->dd_data;
1760 ha = to_qla_host(qla_ep->host);
1761 DEBUG2(pr_info_ratelimited("%s: host: %ld\n", __func__, ha->host_no));
1762
1763 if (adapter_up(ha) && !test_bit(AF_BUILD_DDB_LIST, &ha->flags))
1764 ret = 1;
1765
1766 return ret;
1767}
1768
1769static void qla4xxx_ep_disconnect(struct iscsi_endpoint *ep)
1770{
1771 struct qla_endpoint *qla_ep;
1772 struct scsi_qla_host *ha;
1773
1774 qla_ep = ep->dd_data;
1775 ha = to_qla_host(qla_ep->host);
1776 DEBUG2(ql4_printk(KERN_INFO, ha, "%s: host: %ld\n", __func__,
1777 ha->host_no));
1778 iscsi_destroy_endpoint(ep);
1779}
1780
1781static int qla4xxx_get_ep_param(struct iscsi_endpoint *ep,
1782 enum iscsi_param param,
1783 char *buf)
1784{
1785 struct qla_endpoint *qla_ep = ep->dd_data;
1786 struct sockaddr *dst_addr;
1787 struct scsi_qla_host *ha;
1788
1789 if (!qla_ep)
1790 return -ENOTCONN;
1791
1792 ha = to_qla_host(qla_ep->host);
1793 DEBUG2(ql4_printk(KERN_INFO, ha, "%s: host: %ld\n", __func__,
1794 ha->host_no));
1795
1796 switch (param) {
1797 case ISCSI_PARAM_CONN_PORT:
1798 case ISCSI_PARAM_CONN_ADDRESS:
1799 dst_addr = (struct sockaddr *)&qla_ep->dst_addr;
1800 if (!dst_addr)
1801 return -ENOTCONN;
1802
1803 return iscsi_conn_get_addr_param((struct sockaddr_storage *)
1804 &qla_ep->dst_addr, param, buf);
1805 default:
1806 return -ENOSYS;
1807 }
1808}
1809
1810static void qla4xxx_conn_get_stats(struct iscsi_cls_conn *cls_conn,
1811 struct iscsi_stats *stats)
1812{
1813 struct iscsi_session *sess;
1814 struct iscsi_cls_session *cls_sess;
1815 struct ddb_entry *ddb_entry;
1816 struct scsi_qla_host *ha;
1817 struct ql_iscsi_stats *ql_iscsi_stats;
1818 int stats_size;
1819 int ret;
1820 dma_addr_t iscsi_stats_dma;
1821
1822 cls_sess = iscsi_conn_to_session(cls_conn);
1823 sess = cls_sess->dd_data;
1824 ddb_entry = sess->dd_data;
1825 ha = ddb_entry->ha;
1826
1827 DEBUG2(ql4_printk(KERN_INFO, ha, "%s: host: %ld\n", __func__,
1828 ha->host_no));
1829 stats_size = PAGE_ALIGN(sizeof(struct ql_iscsi_stats));
1830
1831 ql_iscsi_stats = dma_alloc_coherent(&ha->pdev->dev, stats_size,
1832 &iscsi_stats_dma, GFP_KERNEL);
1833 if (!ql_iscsi_stats) {
1834 ql4_printk(KERN_ERR, ha,
1835 "Unable to allocate memory for iscsi stats\n");
1836 goto exit_get_stats;
1837 }
1838
1839 ret = qla4xxx_get_mgmt_data(ha, ddb_entry->fw_ddb_index, stats_size,
1840 iscsi_stats_dma);
1841 if (ret != QLA_SUCCESS) {
1842 ql4_printk(KERN_ERR, ha,
1843 "Unable to retrieve iscsi stats\n");
1844 goto free_stats;
1845 }
1846
1847
1848 stats->txdata_octets = le64_to_cpu(ql_iscsi_stats->tx_data_octets);
1849 stats->rxdata_octets = le64_to_cpu(ql_iscsi_stats->rx_data_octets);
1850
1851 stats->noptx_pdus = le32_to_cpu(ql_iscsi_stats->tx_nopout_pdus);
1852 stats->scsicmd_pdus = le32_to_cpu(ql_iscsi_stats->tx_scsi_cmd_pdus);
1853 stats->tmfcmd_pdus = le32_to_cpu(ql_iscsi_stats->tx_tmf_cmd_pdus);
1854 stats->login_pdus = le32_to_cpu(ql_iscsi_stats->tx_login_cmd_pdus);
1855 stats->text_pdus = le32_to_cpu(ql_iscsi_stats->tx_text_cmd_pdus);
1856 stats->dataout_pdus = le32_to_cpu(ql_iscsi_stats->tx_scsi_write_pdus);
1857 stats->logout_pdus = le32_to_cpu(ql_iscsi_stats->tx_logout_cmd_pdus);
1858 stats->snack_pdus = le32_to_cpu(ql_iscsi_stats->tx_snack_req_pdus);
1859
1860 stats->noprx_pdus = le32_to_cpu(ql_iscsi_stats->rx_nopin_pdus);
1861 stats->scsirsp_pdus = le32_to_cpu(ql_iscsi_stats->rx_scsi_resp_pdus);
1862 stats->tmfrsp_pdus = le32_to_cpu(ql_iscsi_stats->rx_tmf_resp_pdus);
1863 stats->textrsp_pdus = le32_to_cpu(ql_iscsi_stats->rx_text_resp_pdus);
1864 stats->datain_pdus = le32_to_cpu(ql_iscsi_stats->rx_scsi_read_pdus);
1865 stats->logoutrsp_pdus =
1866 le32_to_cpu(ql_iscsi_stats->rx_logout_resp_pdus);
1867 stats->r2t_pdus = le32_to_cpu(ql_iscsi_stats->rx_r2t_pdus);
1868 stats->async_pdus = le32_to_cpu(ql_iscsi_stats->rx_async_pdus);
1869 stats->rjt_pdus = le32_to_cpu(ql_iscsi_stats->rx_reject_pdus);
1870
1871free_stats:
1872 dma_free_coherent(&ha->pdev->dev, stats_size, ql_iscsi_stats,
1873 iscsi_stats_dma);
1874exit_get_stats:
1875 return;
1876}
1877
1878static enum blk_eh_timer_return qla4xxx_eh_cmd_timed_out(struct scsi_cmnd *sc)
1879{
1880 struct iscsi_cls_session *session;
1881 unsigned long flags;
1882 enum blk_eh_timer_return ret = BLK_EH_DONE;
1883
1884 session = starget_to_session(scsi_target(sc->device));
1885
1886 spin_lock_irqsave(&session->lock, flags);
1887 if (session->state == ISCSI_SESSION_FAILED)
1888 ret = BLK_EH_RESET_TIMER;
1889 spin_unlock_irqrestore(&session->lock, flags);
1890
1891 return ret;
1892}
1893
1894static void qla4xxx_set_port_speed(struct Scsi_Host *shost)
1895{
1896 struct scsi_qla_host *ha = to_qla_host(shost);
1897 struct iscsi_cls_host *ihost = shost->shost_data;
1898 uint32_t speed = ISCSI_PORT_SPEED_UNKNOWN;
1899
1900 qla4xxx_get_firmware_state(ha);
1901
1902 switch (ha->addl_fw_state & 0x0F00) {
1903 case FW_ADDSTATE_LINK_SPEED_10MBPS:
1904 speed = ISCSI_PORT_SPEED_10MBPS;
1905 break;
1906 case FW_ADDSTATE_LINK_SPEED_100MBPS:
1907 speed = ISCSI_PORT_SPEED_100MBPS;
1908 break;
1909 case FW_ADDSTATE_LINK_SPEED_1GBPS:
1910 speed = ISCSI_PORT_SPEED_1GBPS;
1911 break;
1912 case FW_ADDSTATE_LINK_SPEED_10GBPS:
1913 speed = ISCSI_PORT_SPEED_10GBPS;
1914 break;
1915 }
1916 ihost->port_speed = speed;
1917}
1918
1919static void qla4xxx_set_port_state(struct Scsi_Host *shost)
1920{
1921 struct scsi_qla_host *ha = to_qla_host(shost);
1922 struct iscsi_cls_host *ihost = shost->shost_data;
1923 uint32_t state = ISCSI_PORT_STATE_DOWN;
1924
1925 if (test_bit(AF_LINK_UP, &ha->flags))
1926 state = ISCSI_PORT_STATE_UP;
1927
1928 ihost->port_state = state;
1929}
1930
1931static int qla4xxx_host_get_param(struct Scsi_Host *shost,
1932 enum iscsi_host_param param, char *buf)
1933{
1934 struct scsi_qla_host *ha = to_qla_host(shost);
1935 int len;
1936
1937 switch (param) {
1938 case ISCSI_HOST_PARAM_HWADDRESS:
1939 len = sysfs_format_mac(buf, ha->my_mac, MAC_ADDR_LEN);
1940 break;
1941 case ISCSI_HOST_PARAM_IPADDRESS:
1942 len = sprintf(buf, "%pI4\n", &ha->ip_config.ip_address);
1943 break;
1944 case ISCSI_HOST_PARAM_INITIATOR_NAME:
1945 len = sprintf(buf, "%s\n", ha->name_string);
1946 break;
1947 case ISCSI_HOST_PARAM_PORT_STATE:
1948 qla4xxx_set_port_state(shost);
1949 len = sprintf(buf, "%s\n", iscsi_get_port_state_name(shost));
1950 break;
1951 case ISCSI_HOST_PARAM_PORT_SPEED:
1952 qla4xxx_set_port_speed(shost);
1953 len = sprintf(buf, "%s\n", iscsi_get_port_speed_name(shost));
1954 break;
1955 default:
1956 return -ENOSYS;
1957 }
1958
1959 return len;
1960}
1961
1962static void qla4xxx_create_ipv4_iface(struct scsi_qla_host *ha)
1963{
1964 if (ha->iface_ipv4)
1965 return;
1966
1967
1968 ha->iface_ipv4 = iscsi_create_iface(ha->host,
1969 &qla4xxx_iscsi_transport,
1970 ISCSI_IFACE_TYPE_IPV4, 0, 0);
1971 if (!ha->iface_ipv4)
1972 ql4_printk(KERN_ERR, ha, "Could not create IPv4 iSCSI "
1973 "iface0.\n");
1974}
1975
1976static void qla4xxx_create_ipv6_iface(struct scsi_qla_host *ha)
1977{
1978 if (!ha->iface_ipv6_0)
1979
1980 ha->iface_ipv6_0 = iscsi_create_iface(ha->host,
1981 &qla4xxx_iscsi_transport,
1982 ISCSI_IFACE_TYPE_IPV6, 0,
1983 0);
1984 if (!ha->iface_ipv6_0)
1985 ql4_printk(KERN_ERR, ha, "Could not create IPv6 iSCSI "
1986 "iface0.\n");
1987
1988 if (!ha->iface_ipv6_1)
1989
1990 ha->iface_ipv6_1 = iscsi_create_iface(ha->host,
1991 &qla4xxx_iscsi_transport,
1992 ISCSI_IFACE_TYPE_IPV6, 1,
1993 0);
1994 if (!ha->iface_ipv6_1)
1995 ql4_printk(KERN_ERR, ha, "Could not create IPv6 iSCSI "
1996 "iface1.\n");
1997}
1998
1999static void qla4xxx_create_ifaces(struct scsi_qla_host *ha)
2000{
2001 if (ha->ip_config.ipv4_options & IPOPT_IPV4_PROTOCOL_ENABLE)
2002 qla4xxx_create_ipv4_iface(ha);
2003
2004 if (ha->ip_config.ipv6_options & IPV6_OPT_IPV6_PROTOCOL_ENABLE)
2005 qla4xxx_create_ipv6_iface(ha);
2006}
2007
2008static void qla4xxx_destroy_ipv4_iface(struct scsi_qla_host *ha)
2009{
2010 if (ha->iface_ipv4) {
2011 iscsi_destroy_iface(ha->iface_ipv4);
2012 ha->iface_ipv4 = NULL;
2013 }
2014}
2015
2016static void qla4xxx_destroy_ipv6_iface(struct scsi_qla_host *ha)
2017{
2018 if (ha->iface_ipv6_0) {
2019 iscsi_destroy_iface(ha->iface_ipv6_0);
2020 ha->iface_ipv6_0 = NULL;
2021 }
2022 if (ha->iface_ipv6_1) {
2023 iscsi_destroy_iface(ha->iface_ipv6_1);
2024 ha->iface_ipv6_1 = NULL;
2025 }
2026}
2027
2028static void qla4xxx_destroy_ifaces(struct scsi_qla_host *ha)
2029{
2030 qla4xxx_destroy_ipv4_iface(ha);
2031 qla4xxx_destroy_ipv6_iface(ha);
2032}
2033
2034static void qla4xxx_set_ipv6(struct scsi_qla_host *ha,
2035 struct iscsi_iface_param_info *iface_param,
2036 struct addr_ctrl_blk *init_fw_cb)
2037{
2038
2039
2040
2041
2042 switch (iface_param->param) {
2043 case ISCSI_NET_PARAM_IPV6_ADDR:
2044 if (iface_param->iface_num & 0x1)
2045
2046 memcpy(init_fw_cb->ipv6_addr1, iface_param->value,
2047 sizeof(init_fw_cb->ipv6_addr1));
2048 else
2049
2050 memcpy(init_fw_cb->ipv6_addr0, iface_param->value,
2051 sizeof(init_fw_cb->ipv6_addr0));
2052 break;
2053 case ISCSI_NET_PARAM_IPV6_LINKLOCAL:
2054 if (iface_param->iface_num & 0x1)
2055 break;
2056 memcpy(init_fw_cb->ipv6_if_id, &iface_param->value[8],
2057 sizeof(init_fw_cb->ipv6_if_id));
2058 break;
2059 case ISCSI_NET_PARAM_IPV6_ROUTER:
2060 if (iface_param->iface_num & 0x1)
2061 break;
2062 memcpy(init_fw_cb->ipv6_dflt_rtr_addr, iface_param->value,
2063 sizeof(init_fw_cb->ipv6_dflt_rtr_addr));
2064 break;
2065 case ISCSI_NET_PARAM_IPV6_ADDR_AUTOCFG:
2066
2067 if (iface_param->iface_num & 0x1)
2068 break;
2069
2070 if (iface_param->value[0] == ISCSI_IPV6_AUTOCFG_DISABLE)
2071 init_fw_cb->ipv6_addtl_opts &=
2072 cpu_to_le16(
2073 ~IPV6_ADDOPT_NEIGHBOR_DISCOVERY_ADDR_ENABLE);
2074 else if (iface_param->value[0] == ISCSI_IPV6_AUTOCFG_ND_ENABLE)
2075 init_fw_cb->ipv6_addtl_opts |=
2076 cpu_to_le16(
2077 IPV6_ADDOPT_NEIGHBOR_DISCOVERY_ADDR_ENABLE);
2078 else
2079 ql4_printk(KERN_ERR, ha,
2080 "Invalid autocfg setting for IPv6 addr\n");
2081 break;
2082 case ISCSI_NET_PARAM_IPV6_LINKLOCAL_AUTOCFG:
2083
2084 if (iface_param->iface_num & 0x1)
2085 break;
2086
2087 if (iface_param->value[0] ==
2088 ISCSI_IPV6_LINKLOCAL_AUTOCFG_ENABLE)
2089 init_fw_cb->ipv6_addtl_opts |= cpu_to_le16(
2090 IPV6_ADDOPT_AUTOCONFIG_LINK_LOCAL_ADDR);
2091 else if (iface_param->value[0] ==
2092 ISCSI_IPV6_LINKLOCAL_AUTOCFG_DISABLE)
2093 init_fw_cb->ipv6_addtl_opts &= cpu_to_le16(
2094 ~IPV6_ADDOPT_AUTOCONFIG_LINK_LOCAL_ADDR);
2095 else
2096 ql4_printk(KERN_ERR, ha,
2097 "Invalid autocfg setting for IPv6 linklocal addr\n");
2098 break;
2099 case ISCSI_NET_PARAM_IPV6_ROUTER_AUTOCFG:
2100
2101 if (iface_param->iface_num & 0x1)
2102 break;
2103
2104 if (iface_param->value[0] == ISCSI_IPV6_ROUTER_AUTOCFG_ENABLE)
2105 memset(init_fw_cb->ipv6_dflt_rtr_addr, 0,
2106 sizeof(init_fw_cb->ipv6_dflt_rtr_addr));
2107 break;
2108 case ISCSI_NET_PARAM_IFACE_ENABLE:
2109 if (iface_param->value[0] == ISCSI_IFACE_ENABLE) {
2110 init_fw_cb->ipv6_opts |=
2111 cpu_to_le16(IPV6_OPT_IPV6_PROTOCOL_ENABLE);
2112 qla4xxx_create_ipv6_iface(ha);
2113 } else {
2114 init_fw_cb->ipv6_opts &=
2115 cpu_to_le16(~IPV6_OPT_IPV6_PROTOCOL_ENABLE &
2116 0xFFFF);
2117 qla4xxx_destroy_ipv6_iface(ha);
2118 }
2119 break;
2120 case ISCSI_NET_PARAM_VLAN_TAG:
2121 if (iface_param->len != sizeof(init_fw_cb->ipv6_vlan_tag))
2122 break;
2123 init_fw_cb->ipv6_vlan_tag =
2124 cpu_to_be16(*(uint16_t *)iface_param->value);
2125 break;
2126 case ISCSI_NET_PARAM_VLAN_ENABLED:
2127 if (iface_param->value[0] == ISCSI_VLAN_ENABLE)
2128 init_fw_cb->ipv6_opts |=
2129 cpu_to_le16(IPV6_OPT_VLAN_TAGGING_ENABLE);
2130 else
2131 init_fw_cb->ipv6_opts &=
2132 cpu_to_le16(~IPV6_OPT_VLAN_TAGGING_ENABLE);
2133 break;
2134 case ISCSI_NET_PARAM_MTU:
2135 init_fw_cb->eth_mtu_size =
2136 cpu_to_le16(*(uint16_t *)iface_param->value);
2137 break;
2138 case ISCSI_NET_PARAM_PORT:
2139
2140 if (iface_param->iface_num & 0x1)
2141 break;
2142
2143 init_fw_cb->ipv6_port =
2144 cpu_to_le16(*(uint16_t *)iface_param->value);
2145 break;
2146 case ISCSI_NET_PARAM_DELAYED_ACK_EN:
2147 if (iface_param->iface_num & 0x1)
2148 break;
2149 if (iface_param->value[0] == ISCSI_NET_PARAM_DISABLE)
2150 init_fw_cb->ipv6_tcp_opts |=
2151 cpu_to_le16(IPV6_TCPOPT_DELAYED_ACK_DISABLE);
2152 else
2153 init_fw_cb->ipv6_tcp_opts &=
2154 cpu_to_le16(~IPV6_TCPOPT_DELAYED_ACK_DISABLE &
2155 0xFFFF);
2156 break;
2157 case ISCSI_NET_PARAM_TCP_NAGLE_DISABLE:
2158 if (iface_param->iface_num & 0x1)
2159 break;
2160 if (iface_param->value[0] == ISCSI_NET_PARAM_DISABLE)
2161 init_fw_cb->ipv6_tcp_opts |=
2162 cpu_to_le16(IPV6_TCPOPT_NAGLE_ALGO_DISABLE);
2163 else
2164 init_fw_cb->ipv6_tcp_opts &=
2165 cpu_to_le16(~IPV6_TCPOPT_NAGLE_ALGO_DISABLE);
2166 break;
2167 case ISCSI_NET_PARAM_TCP_WSF_DISABLE:
2168 if (iface_param->iface_num & 0x1)
2169 break;
2170 if (iface_param->value[0] == ISCSI_NET_PARAM_DISABLE)
2171 init_fw_cb->ipv6_tcp_opts |=
2172 cpu_to_le16(IPV6_TCPOPT_WINDOW_SCALE_DISABLE);
2173 else
2174 init_fw_cb->ipv6_tcp_opts &=
2175 cpu_to_le16(~IPV6_TCPOPT_WINDOW_SCALE_DISABLE);
2176 break;
2177 case ISCSI_NET_PARAM_TCP_WSF:
2178 if (iface_param->iface_num & 0x1)
2179 break;
2180 init_fw_cb->ipv6_tcp_wsf = iface_param->value[0];
2181 break;
2182 case ISCSI_NET_PARAM_TCP_TIMER_SCALE:
2183 if (iface_param->iface_num & 0x1)
2184 break;
2185 init_fw_cb->ipv6_tcp_opts &=
2186 cpu_to_le16(~IPV6_TCPOPT_TIMER_SCALE);
2187 init_fw_cb->ipv6_tcp_opts |=
2188 cpu_to_le16((iface_param->value[0] << 1) &
2189 IPV6_TCPOPT_TIMER_SCALE);
2190 break;
2191 case ISCSI_NET_PARAM_TCP_TIMESTAMP_EN:
2192 if (iface_param->iface_num & 0x1)
2193 break;
2194 if (iface_param->value[0] == ISCSI_NET_PARAM_ENABLE)
2195 init_fw_cb->ipv6_tcp_opts |=
2196 cpu_to_le16(IPV6_TCPOPT_TIMESTAMP_EN);
2197 else
2198 init_fw_cb->ipv6_tcp_opts &=
2199 cpu_to_le16(~IPV6_TCPOPT_TIMESTAMP_EN);
2200 break;
2201 case ISCSI_NET_PARAM_IPV6_GRAT_NEIGHBOR_ADV_EN:
2202 if (iface_param->iface_num & 0x1)
2203 break;
2204 if (iface_param->value[0] == ISCSI_NET_PARAM_ENABLE)
2205 init_fw_cb->ipv6_opts |=
2206 cpu_to_le16(IPV6_OPT_GRAT_NEIGHBOR_ADV_EN);
2207 else
2208 init_fw_cb->ipv6_opts &=
2209 cpu_to_le16(~IPV6_OPT_GRAT_NEIGHBOR_ADV_EN);
2210 break;
2211 case ISCSI_NET_PARAM_REDIRECT_EN:
2212 if (iface_param->iface_num & 0x1)
2213 break;
2214 if (iface_param->value[0] == ISCSI_NET_PARAM_ENABLE)
2215 init_fw_cb->ipv6_opts |=
2216 cpu_to_le16(IPV6_OPT_REDIRECT_EN);
2217 else
2218 init_fw_cb->ipv6_opts &=
2219 cpu_to_le16(~IPV6_OPT_REDIRECT_EN);
2220 break;
2221 case ISCSI_NET_PARAM_IPV6_MLD_EN:
2222 if (iface_param->iface_num & 0x1)
2223 break;
2224 if (iface_param->value[0] == ISCSI_NET_PARAM_ENABLE)
2225 init_fw_cb->ipv6_addtl_opts |=
2226 cpu_to_le16(IPV6_ADDOPT_MLD_EN);
2227 else
2228 init_fw_cb->ipv6_addtl_opts &=
2229 cpu_to_le16(~IPV6_ADDOPT_MLD_EN);
2230 break;
2231 case ISCSI_NET_PARAM_IPV6_FLOW_LABEL:
2232 if (iface_param->iface_num & 0x1)
2233 break;
2234 init_fw_cb->ipv6_flow_lbl =
2235 cpu_to_le16(*(uint16_t *)iface_param->value);
2236 break;
2237 case ISCSI_NET_PARAM_IPV6_TRAFFIC_CLASS:
2238 if (iface_param->iface_num & 0x1)
2239 break;
2240 init_fw_cb->ipv6_traffic_class = iface_param->value[0];
2241 break;
2242 case ISCSI_NET_PARAM_IPV6_HOP_LIMIT:
2243 if (iface_param->iface_num & 0x1)
2244 break;
2245 init_fw_cb->ipv6_hop_limit = iface_param->value[0];
2246 break;
2247 case ISCSI_NET_PARAM_IPV6_ND_REACHABLE_TMO:
2248 if (iface_param->iface_num & 0x1)
2249 break;
2250 init_fw_cb->ipv6_nd_reach_time =
2251 cpu_to_le32(*(uint32_t *)iface_param->value);
2252 break;
2253 case ISCSI_NET_PARAM_IPV6_ND_REXMIT_TIME:
2254 if (iface_param->iface_num & 0x1)
2255 break;
2256 init_fw_cb->ipv6_nd_rexmit_timer =
2257 cpu_to_le32(*(uint32_t *)iface_param->value);
2258 break;
2259 case ISCSI_NET_PARAM_IPV6_ND_STALE_TMO:
2260 if (iface_param->iface_num & 0x1)
2261 break;
2262 init_fw_cb->ipv6_nd_stale_timeout =
2263 cpu_to_le32(*(uint32_t *)iface_param->value);
2264 break;
2265 case ISCSI_NET_PARAM_IPV6_DUP_ADDR_DETECT_CNT:
2266 if (iface_param->iface_num & 0x1)
2267 break;
2268 init_fw_cb->ipv6_dup_addr_detect_count = iface_param->value[0];
2269 break;
2270 case ISCSI_NET_PARAM_IPV6_RTR_ADV_LINK_MTU:
2271 if (iface_param->iface_num & 0x1)
2272 break;
2273 init_fw_cb->ipv6_gw_advrt_mtu =
2274 cpu_to_le32(*(uint32_t *)iface_param->value);
2275 break;
2276 default:
2277 ql4_printk(KERN_ERR, ha, "Unknown IPv6 param = %d\n",
2278 iface_param->param);
2279 break;
2280 }
2281}
2282
2283static void qla4xxx_set_ipv4(struct scsi_qla_host *ha,
2284 struct iscsi_iface_param_info *iface_param,
2285 struct addr_ctrl_blk *init_fw_cb)
2286{
2287 switch (iface_param->param) {
2288 case ISCSI_NET_PARAM_IPV4_ADDR:
2289 memcpy(init_fw_cb->ipv4_addr, iface_param->value,
2290 sizeof(init_fw_cb->ipv4_addr));
2291 break;
2292 case ISCSI_NET_PARAM_IPV4_SUBNET:
2293 memcpy(init_fw_cb->ipv4_subnet, iface_param->value,
2294 sizeof(init_fw_cb->ipv4_subnet));
2295 break;
2296 case ISCSI_NET_PARAM_IPV4_GW:
2297 memcpy(init_fw_cb->ipv4_gw_addr, iface_param->value,
2298 sizeof(init_fw_cb->ipv4_gw_addr));
2299 break;
2300 case ISCSI_NET_PARAM_IPV4_BOOTPROTO:
2301 if (iface_param->value[0] == ISCSI_BOOTPROTO_DHCP)
2302 init_fw_cb->ipv4_tcp_opts |=
2303 cpu_to_le16(TCPOPT_DHCP_ENABLE);
2304 else if (iface_param->value[0] == ISCSI_BOOTPROTO_STATIC)
2305 init_fw_cb->ipv4_tcp_opts &=
2306 cpu_to_le16(~TCPOPT_DHCP_ENABLE);
2307 else
2308 ql4_printk(KERN_ERR, ha, "Invalid IPv4 bootproto\n");
2309 break;
2310 case ISCSI_NET_PARAM_IFACE_ENABLE:
2311 if (iface_param->value[0] == ISCSI_IFACE_ENABLE) {
2312 init_fw_cb->ipv4_ip_opts |=
2313 cpu_to_le16(IPOPT_IPV4_PROTOCOL_ENABLE);
2314 qla4xxx_create_ipv4_iface(ha);
2315 } else {
2316 init_fw_cb->ipv4_ip_opts &=
2317 cpu_to_le16(~IPOPT_IPV4_PROTOCOL_ENABLE &
2318 0xFFFF);
2319 qla4xxx_destroy_ipv4_iface(ha);
2320 }
2321 break;
2322 case ISCSI_NET_PARAM_VLAN_TAG:
2323 if (iface_param->len != sizeof(init_fw_cb->ipv4_vlan_tag))
2324 break;
2325 init_fw_cb->ipv4_vlan_tag =
2326 cpu_to_be16(*(uint16_t *)iface_param->value);
2327 break;
2328 case ISCSI_NET_PARAM_VLAN_ENABLED:
2329 if (iface_param->value[0] == ISCSI_VLAN_ENABLE)
2330 init_fw_cb->ipv4_ip_opts |=
2331 cpu_to_le16(IPOPT_VLAN_TAGGING_ENABLE);
2332 else
2333 init_fw_cb->ipv4_ip_opts &=
2334 cpu_to_le16(~IPOPT_VLAN_TAGGING_ENABLE);
2335 break;
2336 case ISCSI_NET_PARAM_MTU:
2337 init_fw_cb->eth_mtu_size =
2338 cpu_to_le16(*(uint16_t *)iface_param->value);
2339 break;
2340 case ISCSI_NET_PARAM_PORT:
2341 init_fw_cb->ipv4_port =
2342 cpu_to_le16(*(uint16_t *)iface_param->value);
2343 break;
2344 case ISCSI_NET_PARAM_DELAYED_ACK_EN:
2345 if (iface_param->iface_num & 0x1)
2346 break;
2347 if (iface_param->value[0] == ISCSI_NET_PARAM_DISABLE)
2348 init_fw_cb->ipv4_tcp_opts |=
2349 cpu_to_le16(TCPOPT_DELAYED_ACK_DISABLE);
2350 else
2351 init_fw_cb->ipv4_tcp_opts &=
2352 cpu_to_le16(~TCPOPT_DELAYED_ACK_DISABLE &
2353 0xFFFF);
2354 break;
2355 case ISCSI_NET_PARAM_TCP_NAGLE_DISABLE:
2356 if (iface_param->iface_num & 0x1)
2357 break;
2358 if (iface_param->value[0] == ISCSI_NET_PARAM_DISABLE)
2359 init_fw_cb->ipv4_tcp_opts |=
2360 cpu_to_le16(TCPOPT_NAGLE_ALGO_DISABLE);
2361 else
2362 init_fw_cb->ipv4_tcp_opts &=
2363 cpu_to_le16(~TCPOPT_NAGLE_ALGO_DISABLE);
2364 break;
2365 case ISCSI_NET_PARAM_TCP_WSF_DISABLE:
2366 if (iface_param->iface_num & 0x1)
2367 break;
2368 if (iface_param->value[0] == ISCSI_NET_PARAM_DISABLE)
2369 init_fw_cb->ipv4_tcp_opts |=
2370 cpu_to_le16(TCPOPT_WINDOW_SCALE_DISABLE);
2371 else
2372 init_fw_cb->ipv4_tcp_opts &=
2373 cpu_to_le16(~TCPOPT_WINDOW_SCALE_DISABLE);
2374 break;
2375 case ISCSI_NET_PARAM_TCP_WSF:
2376 if (iface_param->iface_num & 0x1)
2377 break;
2378 init_fw_cb->ipv4_tcp_wsf = iface_param->value[0];
2379 break;
2380 case ISCSI_NET_PARAM_TCP_TIMER_SCALE:
2381 if (iface_param->iface_num & 0x1)
2382 break;
2383 init_fw_cb->ipv4_tcp_opts &= cpu_to_le16(~TCPOPT_TIMER_SCALE);
2384 init_fw_cb->ipv4_tcp_opts |=
2385 cpu_to_le16((iface_param->value[0] << 1) &
2386 TCPOPT_TIMER_SCALE);
2387 break;
2388 case ISCSI_NET_PARAM_TCP_TIMESTAMP_EN:
2389 if (iface_param->iface_num & 0x1)
2390 break;
2391 if (iface_param->value[0] == ISCSI_NET_PARAM_ENABLE)
2392 init_fw_cb->ipv4_tcp_opts |=
2393 cpu_to_le16(TCPOPT_TIMESTAMP_ENABLE);
2394 else
2395 init_fw_cb->ipv4_tcp_opts &=
2396 cpu_to_le16(~TCPOPT_TIMESTAMP_ENABLE);
2397 break;
2398 case ISCSI_NET_PARAM_IPV4_DHCP_DNS_ADDR_EN:
2399 if (iface_param->iface_num & 0x1)
2400 break;
2401 if (iface_param->value[0] == ISCSI_NET_PARAM_ENABLE)
2402 init_fw_cb->ipv4_tcp_opts |=
2403 cpu_to_le16(TCPOPT_DNS_SERVER_IP_EN);
2404 else
2405 init_fw_cb->ipv4_tcp_opts &=
2406 cpu_to_le16(~TCPOPT_DNS_SERVER_IP_EN);
2407 break;
2408 case ISCSI_NET_PARAM_IPV4_DHCP_SLP_DA_EN:
2409 if (iface_param->iface_num & 0x1)
2410 break;
2411 if (iface_param->value[0] == ISCSI_NET_PARAM_ENABLE)
2412 init_fw_cb->ipv4_tcp_opts |=
2413 cpu_to_le16(TCPOPT_SLP_DA_INFO_EN);
2414 else
2415 init_fw_cb->ipv4_tcp_opts &=
2416 cpu_to_le16(~TCPOPT_SLP_DA_INFO_EN);
2417 break;
2418 case ISCSI_NET_PARAM_IPV4_TOS_EN:
2419 if (iface_param->iface_num & 0x1)
2420 break;
2421 if (iface_param->value[0] == ISCSI_NET_PARAM_ENABLE)
2422 init_fw_cb->ipv4_ip_opts |=
2423 cpu_to_le16(IPOPT_IPV4_TOS_EN);
2424 else
2425 init_fw_cb->ipv4_ip_opts &=
2426 cpu_to_le16(~IPOPT_IPV4_TOS_EN);
2427 break;
2428 case ISCSI_NET_PARAM_IPV4_TOS:
2429 if (iface_param->iface_num & 0x1)
2430 break;
2431 init_fw_cb->ipv4_tos = iface_param->value[0];
2432 break;
2433 case ISCSI_NET_PARAM_IPV4_GRAT_ARP_EN:
2434 if (iface_param->iface_num & 0x1)
2435 break;
2436 if (iface_param->value[0] == ISCSI_NET_PARAM_ENABLE)
2437 init_fw_cb->ipv4_ip_opts |=
2438 cpu_to_le16(IPOPT_GRAT_ARP_EN);
2439 else
2440 init_fw_cb->ipv4_ip_opts &=
2441 cpu_to_le16(~IPOPT_GRAT_ARP_EN);
2442 break;
2443 case ISCSI_NET_PARAM_IPV4_DHCP_ALT_CLIENT_ID_EN:
2444 if (iface_param->iface_num & 0x1)
2445 break;
2446 if (iface_param->value[0] == ISCSI_NET_PARAM_ENABLE)
2447 init_fw_cb->ipv4_ip_opts |=
2448 cpu_to_le16(IPOPT_ALT_CID_EN);
2449 else
2450 init_fw_cb->ipv4_ip_opts &=
2451 cpu_to_le16(~IPOPT_ALT_CID_EN);
2452 break;
2453 case ISCSI_NET_PARAM_IPV4_DHCP_ALT_CLIENT_ID:
2454 if (iface_param->iface_num & 0x1)
2455 break;
2456 memcpy(init_fw_cb->ipv4_dhcp_alt_cid, iface_param->value,
2457 (sizeof(init_fw_cb->ipv4_dhcp_alt_cid) - 1));
2458 init_fw_cb->ipv4_dhcp_alt_cid_len =
2459 strlen(init_fw_cb->ipv4_dhcp_alt_cid);
2460 break;
2461 case ISCSI_NET_PARAM_IPV4_DHCP_REQ_VENDOR_ID_EN:
2462 if (iface_param->iface_num & 0x1)
2463 break;
2464 if (iface_param->value[0] == ISCSI_NET_PARAM_ENABLE)
2465 init_fw_cb->ipv4_ip_opts |=
2466 cpu_to_le16(IPOPT_REQ_VID_EN);
2467 else
2468 init_fw_cb->ipv4_ip_opts &=
2469 cpu_to_le16(~IPOPT_REQ_VID_EN);
2470 break;
2471 case ISCSI_NET_PARAM_IPV4_DHCP_USE_VENDOR_ID_EN:
2472 if (iface_param->iface_num & 0x1)
2473 break;
2474 if (iface_param->value[0] == ISCSI_NET_PARAM_ENABLE)
2475 init_fw_cb->ipv4_ip_opts |=
2476 cpu_to_le16(IPOPT_USE_VID_EN);
2477 else
2478 init_fw_cb->ipv4_ip_opts &=
2479 cpu_to_le16(~IPOPT_USE_VID_EN);
2480 break;
2481 case ISCSI_NET_PARAM_IPV4_DHCP_VENDOR_ID:
2482 if (iface_param->iface_num & 0x1)
2483 break;
2484 memcpy(init_fw_cb->ipv4_dhcp_vid, iface_param->value,
2485 (sizeof(init_fw_cb->ipv4_dhcp_vid) - 1));
2486 init_fw_cb->ipv4_dhcp_vid_len =
2487 strlen(init_fw_cb->ipv4_dhcp_vid);
2488 break;
2489 case ISCSI_NET_PARAM_IPV4_DHCP_LEARN_IQN_EN:
2490 if (iface_param->iface_num & 0x1)
2491 break;
2492 if (iface_param->value[0] == ISCSI_NET_PARAM_ENABLE)
2493 init_fw_cb->ipv4_ip_opts |=
2494 cpu_to_le16(IPOPT_LEARN_IQN_EN);
2495 else
2496 init_fw_cb->ipv4_ip_opts &=
2497 cpu_to_le16(~IPOPT_LEARN_IQN_EN);
2498 break;
2499 case ISCSI_NET_PARAM_IPV4_FRAGMENT_DISABLE:
2500 if (iface_param->iface_num & 0x1)
2501 break;
2502 if (iface_param->value[0] == ISCSI_NET_PARAM_DISABLE)
2503 init_fw_cb->ipv4_ip_opts |=
2504 cpu_to_le16(IPOPT_FRAGMENTATION_DISABLE);
2505 else
2506 init_fw_cb->ipv4_ip_opts &=
2507 cpu_to_le16(~IPOPT_FRAGMENTATION_DISABLE);
2508 break;
2509 case ISCSI_NET_PARAM_IPV4_IN_FORWARD_EN:
2510 if (iface_param->iface_num & 0x1)
2511 break;
2512 if (iface_param->value[0] == ISCSI_NET_PARAM_ENABLE)
2513 init_fw_cb->ipv4_ip_opts |=
2514 cpu_to_le16(IPOPT_IN_FORWARD_EN);
2515 else
2516 init_fw_cb->ipv4_ip_opts &=
2517 cpu_to_le16(~IPOPT_IN_FORWARD_EN);
2518 break;
2519 case ISCSI_NET_PARAM_REDIRECT_EN:
2520 if (iface_param->iface_num & 0x1)
2521 break;
2522 if (iface_param->value[0] == ISCSI_NET_PARAM_ENABLE)
2523 init_fw_cb->ipv4_ip_opts |=
2524 cpu_to_le16(IPOPT_ARP_REDIRECT_EN);
2525 else
2526 init_fw_cb->ipv4_ip_opts &=
2527 cpu_to_le16(~IPOPT_ARP_REDIRECT_EN);
2528 break;
2529 case ISCSI_NET_PARAM_IPV4_TTL:
2530 if (iface_param->iface_num & 0x1)
2531 break;
2532 init_fw_cb->ipv4_ttl = iface_param->value[0];
2533 break;
2534 default:
2535 ql4_printk(KERN_ERR, ha, "Unknown IPv4 param = %d\n",
2536 iface_param->param);
2537 break;
2538 }
2539}
2540
2541static void qla4xxx_set_iscsi_param(struct scsi_qla_host *ha,
2542 struct iscsi_iface_param_info *iface_param,
2543 struct addr_ctrl_blk *init_fw_cb)
2544{
2545 switch (iface_param->param) {
2546 case ISCSI_IFACE_PARAM_DEF_TASKMGMT_TMO:
2547 if (iface_param->iface_num & 0x1)
2548 break;
2549 init_fw_cb->def_timeout =
2550 cpu_to_le16(*(uint16_t *)iface_param->value);
2551 break;
2552 case ISCSI_IFACE_PARAM_HDRDGST_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_HEADER_DIGEST_EN);
2558 else
2559 init_fw_cb->iscsi_opts &=
2560 cpu_to_le16(~ISCSIOPTS_HEADER_DIGEST_EN);
2561 break;
2562 case ISCSI_IFACE_PARAM_DATADGST_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_DIGEST_EN);
2568 else
2569 init_fw_cb->iscsi_opts &=
2570 cpu_to_le16(~ISCSIOPTS_DATA_DIGEST_EN);
2571 break;
2572 case ISCSI_IFACE_PARAM_IMM_DATA_EN:
2573 if (iface_param->iface_num & 0x1)
2574 break;
2575 if (iface_param->value[0] == ISCSI_NET_PARAM_ENABLE)
2576 init_fw_cb->iscsi_opts |=
2577 cpu_to_le16(ISCSIOPTS_IMMEDIATE_DATA_EN);
2578 else
2579 init_fw_cb->iscsi_opts &=
2580 cpu_to_le16(~ISCSIOPTS_IMMEDIATE_DATA_EN);
2581 break;
2582 case ISCSI_IFACE_PARAM_INITIAL_R2T_EN:
2583 if (iface_param->iface_num & 0x1)
2584 break;
2585 if (iface_param->value[0] == ISCSI_NET_PARAM_ENABLE)
2586 init_fw_cb->iscsi_opts |=
2587 cpu_to_le16(ISCSIOPTS_INITIAL_R2T_EN);
2588 else
2589 init_fw_cb->iscsi_opts &=
2590 cpu_to_le16(~ISCSIOPTS_INITIAL_R2T_EN);
2591 break;
2592 case ISCSI_IFACE_PARAM_DATASEQ_INORDER_EN:
2593 if (iface_param->iface_num & 0x1)
2594 break;
2595 if (iface_param->value[0] == ISCSI_NET_PARAM_ENABLE)
2596 init_fw_cb->iscsi_opts |=
2597 cpu_to_le16(ISCSIOPTS_DATA_SEQ_INORDER_EN);
2598 else
2599 init_fw_cb->iscsi_opts &=
2600 cpu_to_le16(~ISCSIOPTS_DATA_SEQ_INORDER_EN);
2601 break;
2602 case ISCSI_IFACE_PARAM_PDU_INORDER_EN:
2603 if (iface_param->iface_num & 0x1)
2604 break;
2605 if (iface_param->value[0] == ISCSI_NET_PARAM_ENABLE)
2606 init_fw_cb->iscsi_opts |=
2607 cpu_to_le16(ISCSIOPTS_DATA_PDU_INORDER_EN);
2608 else
2609 init_fw_cb->iscsi_opts &=
2610 cpu_to_le16(~ISCSIOPTS_DATA_PDU_INORDER_EN);
2611 break;
2612 case ISCSI_IFACE_PARAM_ERL:
2613 if (iface_param->iface_num & 0x1)
2614 break;
2615 init_fw_cb->iscsi_opts &= cpu_to_le16(~ISCSIOPTS_ERL);
2616 init_fw_cb->iscsi_opts |= cpu_to_le16(iface_param->value[0] &
2617 ISCSIOPTS_ERL);
2618 break;
2619 case ISCSI_IFACE_PARAM_MAX_RECV_DLENGTH:
2620 if (iface_param->iface_num & 0x1)
2621 break;
2622 init_fw_cb->iscsi_max_pdu_size =
2623 cpu_to_le32(*(uint32_t *)iface_param->value) /
2624 BYTE_UNITS;
2625 break;
2626 case ISCSI_IFACE_PARAM_FIRST_BURST:
2627 if (iface_param->iface_num & 0x1)
2628 break;
2629 init_fw_cb->iscsi_fburst_len =
2630 cpu_to_le32(*(uint32_t *)iface_param->value) /
2631 BYTE_UNITS;
2632 break;
2633 case ISCSI_IFACE_PARAM_MAX_R2T:
2634 if (iface_param->iface_num & 0x1)
2635 break;
2636 init_fw_cb->iscsi_max_outstnd_r2t =
2637 cpu_to_le16(*(uint16_t *)iface_param->value);
2638 break;
2639 case ISCSI_IFACE_PARAM_MAX_BURST:
2640 if (iface_param->iface_num & 0x1)
2641 break;
2642 init_fw_cb->iscsi_max_burst_len =
2643 cpu_to_le32(*(uint32_t *)iface_param->value) /
2644 BYTE_UNITS;
2645 break;
2646 case ISCSI_IFACE_PARAM_CHAP_AUTH_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_CHAP_AUTH_EN);
2652 else
2653 init_fw_cb->iscsi_opts &=
2654 cpu_to_le16(~ISCSIOPTS_CHAP_AUTH_EN);
2655 break;
2656 case ISCSI_IFACE_PARAM_BIDI_CHAP_EN:
2657 if (iface_param->iface_num & 0x1)
2658 break;
2659 if (iface_param->value[0] == ISCSI_NET_PARAM_ENABLE)
2660 init_fw_cb->iscsi_opts |=
2661 cpu_to_le16(ISCSIOPTS_BIDI_CHAP_EN);
2662 else
2663 init_fw_cb->iscsi_opts &=
2664 cpu_to_le16(~ISCSIOPTS_BIDI_CHAP_EN);
2665 break;
2666 case ISCSI_IFACE_PARAM_DISCOVERY_AUTH_OPTIONAL:
2667 if (iface_param->iface_num & 0x1)
2668 break;
2669 if (iface_param->value[0] == ISCSI_NET_PARAM_ENABLE)
2670 init_fw_cb->iscsi_opts |=
2671 cpu_to_le16(ISCSIOPTS_DISCOVERY_AUTH_EN);
2672 else
2673 init_fw_cb->iscsi_opts &=
2674 cpu_to_le16(~ISCSIOPTS_DISCOVERY_AUTH_EN);
2675 break;
2676 case ISCSI_IFACE_PARAM_DISCOVERY_LOGOUT_EN:
2677 if (iface_param->iface_num & 0x1)
2678 break;
2679 if (iface_param->value[0] == ISCSI_NET_PARAM_ENABLE)
2680 init_fw_cb->iscsi_opts |=
2681 cpu_to_le16(ISCSIOPTS_DISCOVERY_LOGOUT_EN);
2682 else
2683 init_fw_cb->iscsi_opts &=
2684 cpu_to_le16(~ISCSIOPTS_DISCOVERY_LOGOUT_EN);
2685 break;
2686 case ISCSI_IFACE_PARAM_STRICT_LOGIN_COMP_EN:
2687 if (iface_param->iface_num & 0x1)
2688 break;
2689 if (iface_param->value[0] == ISCSI_NET_PARAM_ENABLE)
2690 init_fw_cb->iscsi_opts |=
2691 cpu_to_le16(ISCSIOPTS_STRICT_LOGIN_COMP_EN);
2692 else
2693 init_fw_cb->iscsi_opts &=
2694 cpu_to_le16(~ISCSIOPTS_STRICT_LOGIN_COMP_EN);
2695 break;
2696 default:
2697 ql4_printk(KERN_ERR, ha, "Unknown iscsi param = %d\n",
2698 iface_param->param);
2699 break;
2700 }
2701}
2702
2703static void
2704qla4xxx_initcb_to_acb(struct addr_ctrl_blk *init_fw_cb)
2705{
2706 struct addr_ctrl_blk_def *acb;
2707 acb = (struct addr_ctrl_blk_def *)init_fw_cb;
2708 memset(acb->reserved1, 0, sizeof(acb->reserved1));
2709 memset(acb->reserved2, 0, sizeof(acb->reserved2));
2710 memset(acb->reserved3, 0, sizeof(acb->reserved3));
2711 memset(acb->reserved4, 0, sizeof(acb->reserved4));
2712 memset(acb->reserved5, 0, sizeof(acb->reserved5));
2713 memset(acb->reserved6, 0, sizeof(acb->reserved6));
2714 memset(acb->reserved7, 0, sizeof(acb->reserved7));
2715 memset(acb->reserved8, 0, sizeof(acb->reserved8));
2716 memset(acb->reserved9, 0, sizeof(acb->reserved9));
2717 memset(acb->reserved10, 0, sizeof(acb->reserved10));
2718 memset(acb->reserved11, 0, sizeof(acb->reserved11));
2719 memset(acb->reserved12, 0, sizeof(acb->reserved12));
2720 memset(acb->reserved13, 0, sizeof(acb->reserved13));
2721 memset(acb->reserved14, 0, sizeof(acb->reserved14));
2722 memset(acb->reserved15, 0, sizeof(acb->reserved15));
2723}
2724
2725static int
2726qla4xxx_iface_set_param(struct Scsi_Host *shost, void *data, uint32_t len)
2727{
2728 struct scsi_qla_host *ha = to_qla_host(shost);
2729 int rval = 0;
2730 struct iscsi_iface_param_info *iface_param = NULL;
2731 struct addr_ctrl_blk *init_fw_cb = NULL;
2732 dma_addr_t init_fw_cb_dma;
2733 uint32_t mbox_cmd[MBOX_REG_COUNT];
2734 uint32_t mbox_sts[MBOX_REG_COUNT];
2735 uint32_t rem = len;
2736 struct nlattr *attr;
2737
2738 init_fw_cb = dma_alloc_coherent(&ha->pdev->dev,
2739 sizeof(struct addr_ctrl_blk),
2740 &init_fw_cb_dma, GFP_KERNEL);
2741 if (!init_fw_cb) {
2742 ql4_printk(KERN_ERR, ha, "%s: Unable to alloc init_cb\n",
2743 __func__);
2744 return -ENOMEM;
2745 }
2746
2747 memset(&mbox_cmd, 0, sizeof(mbox_cmd));
2748 memset(&mbox_sts, 0, sizeof(mbox_sts));
2749
2750 if (qla4xxx_get_ifcb(ha, &mbox_cmd[0], &mbox_sts[0], init_fw_cb_dma)) {
2751 ql4_printk(KERN_ERR, ha, "%s: get ifcb failed\n", __func__);
2752 rval = -EIO;
2753 goto exit_init_fw_cb;
2754 }
2755
2756 nla_for_each_attr(attr, data, len, rem) {
2757 iface_param = nla_data(attr);
2758
2759 if (iface_param->param_type == ISCSI_NET_PARAM) {
2760 switch (iface_param->iface_type) {
2761 case ISCSI_IFACE_TYPE_IPV4:
2762 switch (iface_param->iface_num) {
2763 case 0:
2764 qla4xxx_set_ipv4(ha, iface_param,
2765 init_fw_cb);
2766 break;
2767 default:
2768
2769 ql4_printk(KERN_ERR, ha,
2770 "Invalid IPv4 iface number = %d\n",
2771 iface_param->iface_num);
2772 break;
2773 }
2774 break;
2775 case ISCSI_IFACE_TYPE_IPV6:
2776 switch (iface_param->iface_num) {
2777 case 0:
2778 case 1:
2779 qla4xxx_set_ipv6(ha, iface_param,
2780 init_fw_cb);
2781 break;
2782 default:
2783
2784 ql4_printk(KERN_ERR, ha,
2785 "Invalid IPv6 iface number = %d\n",
2786 iface_param->iface_num);
2787 break;
2788 }
2789 break;
2790 default:
2791 ql4_printk(KERN_ERR, ha,
2792 "Invalid iface type\n");
2793 break;
2794 }
2795 } else if (iface_param->param_type == ISCSI_IFACE_PARAM) {
2796 qla4xxx_set_iscsi_param(ha, iface_param,
2797 init_fw_cb);
2798 } else {
2799 continue;
2800 }
2801 }
2802
2803 init_fw_cb->cookie = cpu_to_le32(0x11BEAD5A);
2804
2805 rval = qla4xxx_set_flash(ha, init_fw_cb_dma, FLASH_SEGMENT_IFCB,
2806 sizeof(struct addr_ctrl_blk),
2807 FLASH_OPT_RMW_COMMIT);
2808 if (rval != QLA_SUCCESS) {
2809 ql4_printk(KERN_ERR, ha, "%s: set flash mbx failed\n",
2810 __func__);
2811 rval = -EIO;
2812 goto exit_init_fw_cb;
2813 }
2814
2815 rval = qla4xxx_disable_acb(ha);
2816 if (rval != QLA_SUCCESS) {
2817 ql4_printk(KERN_ERR, ha, "%s: disable acb mbx failed\n",
2818 __func__);
2819 rval = -EIO;
2820 goto exit_init_fw_cb;
2821 }
2822
2823 wait_for_completion_timeout(&ha->disable_acb_comp,
2824 DISABLE_ACB_TOV * HZ);
2825
2826 qla4xxx_initcb_to_acb(init_fw_cb);
2827
2828 rval = qla4xxx_set_acb(ha, &mbox_cmd[0], &mbox_sts[0], init_fw_cb_dma);
2829 if (rval != QLA_SUCCESS) {
2830 ql4_printk(KERN_ERR, ha, "%s: set acb mbx failed\n",
2831 __func__);
2832 rval = -EIO;
2833 goto exit_init_fw_cb;
2834 }
2835
2836 memset(init_fw_cb, 0, sizeof(struct addr_ctrl_blk));
2837 qla4xxx_update_local_ifcb(ha, &mbox_cmd[0], &mbox_sts[0], init_fw_cb,
2838 init_fw_cb_dma);
2839
2840exit_init_fw_cb:
2841 dma_free_coherent(&ha->pdev->dev, sizeof(struct addr_ctrl_blk),
2842 init_fw_cb, init_fw_cb_dma);
2843
2844 return rval;
2845}
2846
2847static int qla4xxx_session_get_param(struct iscsi_cls_session *cls_sess,
2848 enum iscsi_param param, char *buf)
2849{
2850 struct iscsi_session *sess = cls_sess->dd_data;
2851 struct ddb_entry *ddb_entry = sess->dd_data;
2852 struct scsi_qla_host *ha = ddb_entry->ha;
2853 struct iscsi_cls_conn *cls_conn = ddb_entry->conn;
2854 struct ql4_chap_table chap_tbl;
2855 int rval, len;
2856 uint16_t idx;
2857
2858 memset(&chap_tbl, 0, sizeof(chap_tbl));
2859 switch (param) {
2860 case ISCSI_PARAM_CHAP_IN_IDX:
2861 rval = qla4xxx_get_chap_index(ha, sess->username_in,
2862 sess->password_in, BIDI_CHAP,
2863 &idx);
2864 if (rval)
2865 len = sprintf(buf, "\n");
2866 else
2867 len = sprintf(buf, "%hu\n", idx);
2868 break;
2869 case ISCSI_PARAM_CHAP_OUT_IDX:
2870 if (ddb_entry->ddb_type == FLASH_DDB) {
2871 if (ddb_entry->chap_tbl_idx != INVALID_ENTRY) {
2872 idx = ddb_entry->chap_tbl_idx;
2873 rval = QLA_SUCCESS;
2874 } else {
2875 rval = QLA_ERROR;
2876 }
2877 } else {
2878 rval = qla4xxx_get_chap_index(ha, sess->username,
2879 sess->password,
2880 LOCAL_CHAP, &idx);
2881 }
2882 if (rval)
2883 len = sprintf(buf, "\n");
2884 else
2885 len = sprintf(buf, "%hu\n", idx);
2886 break;
2887 case ISCSI_PARAM_USERNAME:
2888 case ISCSI_PARAM_PASSWORD:
2889
2890
2891
2892
2893 if (ddb_entry->ddb_type == FLASH_DDB &&
2894 ddb_entry->chap_tbl_idx != INVALID_ENTRY &&
2895 !sess->username && !sess->password) {
2896 idx = ddb_entry->chap_tbl_idx;
2897 rval = qla4xxx_get_uni_chap_at_index(ha, chap_tbl.name,
2898 chap_tbl.secret,
2899 idx);
2900 if (!rval) {
2901 iscsi_set_param(cls_conn, ISCSI_PARAM_USERNAME,
2902 (char *)chap_tbl.name,
2903 strlen((char *)chap_tbl.name));
2904 iscsi_set_param(cls_conn, ISCSI_PARAM_PASSWORD,
2905 (char *)chap_tbl.secret,
2906 chap_tbl.secret_len);
2907 }
2908 }
2909 fallthrough;
2910 default:
2911 return iscsi_session_get_param(cls_sess, param, buf);
2912 }
2913
2914 return len;
2915}
2916
2917static int qla4xxx_conn_get_param(struct iscsi_cls_conn *cls_conn,
2918 enum iscsi_param param, char *buf)
2919{
2920 struct iscsi_conn *conn;
2921 struct qla_conn *qla_conn;
2922 struct sockaddr *dst_addr;
2923
2924 conn = cls_conn->dd_data;
2925 qla_conn = conn->dd_data;
2926 dst_addr = (struct sockaddr *)&qla_conn->qla_ep->dst_addr;
2927
2928 switch (param) {
2929 case ISCSI_PARAM_CONN_PORT:
2930 case ISCSI_PARAM_CONN_ADDRESS:
2931 return iscsi_conn_get_addr_param((struct sockaddr_storage *)
2932 dst_addr, param, buf);
2933 default:
2934 return iscsi_conn_get_param(cls_conn, param, buf);
2935 }
2936}
2937
2938int qla4xxx_get_ddb_index(struct scsi_qla_host *ha, uint16_t *ddb_index)
2939{
2940 uint32_t mbx_sts = 0;
2941 uint16_t tmp_ddb_index;
2942 int ret;
2943
2944get_ddb_index:
2945 tmp_ddb_index = find_first_zero_bit(ha->ddb_idx_map, MAX_DDB_ENTRIES);
2946
2947 if (tmp_ddb_index >= MAX_DDB_ENTRIES) {
2948 DEBUG2(ql4_printk(KERN_INFO, ha,
2949 "Free DDB index not available\n"));
2950 ret = QLA_ERROR;
2951 goto exit_get_ddb_index;
2952 }
2953
2954 if (test_and_set_bit(tmp_ddb_index, ha->ddb_idx_map))
2955 goto get_ddb_index;
2956
2957 DEBUG2(ql4_printk(KERN_INFO, ha,
2958 "Found a free DDB index at %d\n", tmp_ddb_index));
2959 ret = qla4xxx_req_ddb_entry(ha, tmp_ddb_index, &mbx_sts);
2960 if (ret == QLA_ERROR) {
2961 if (mbx_sts == MBOX_STS_COMMAND_ERROR) {
2962 ql4_printk(KERN_INFO, ha,
2963 "DDB index = %d not available trying next\n",
2964 tmp_ddb_index);
2965 goto get_ddb_index;
2966 }
2967 DEBUG2(ql4_printk(KERN_INFO, ha,
2968 "Free FW DDB not available\n"));
2969 }
2970
2971 *ddb_index = tmp_ddb_index;
2972
2973exit_get_ddb_index:
2974 return ret;
2975}
2976
2977static int qla4xxx_match_ipaddress(struct scsi_qla_host *ha,
2978 struct ddb_entry *ddb_entry,
2979 char *existing_ipaddr,
2980 char *user_ipaddr)
2981{
2982 uint8_t dst_ipaddr[IPv6_ADDR_LEN];
2983 char formatted_ipaddr[DDB_IPADDR_LEN];
2984 int status = QLA_SUCCESS, ret = 0;
2985
2986 if (ddb_entry->fw_ddb_entry.options & DDB_OPT_IPV6_DEVICE) {
2987 ret = in6_pton(user_ipaddr, strlen(user_ipaddr), dst_ipaddr,
2988 '\0', NULL);
2989 if (ret == 0) {
2990 status = QLA_ERROR;
2991 goto out_match;
2992 }
2993 ret = sprintf(formatted_ipaddr, "%pI6", dst_ipaddr);
2994 } else {
2995 ret = in4_pton(user_ipaddr, strlen(user_ipaddr), dst_ipaddr,
2996 '\0', NULL);
2997 if (ret == 0) {
2998 status = QLA_ERROR;
2999 goto out_match;
3000 }
3001 ret = sprintf(formatted_ipaddr, "%pI4", dst_ipaddr);
3002 }
3003
3004 if (strcmp(existing_ipaddr, formatted_ipaddr))
3005 status = QLA_ERROR;
3006
3007out_match:
3008 return status;
3009}
3010
3011static int qla4xxx_match_fwdb_session(struct scsi_qla_host *ha,
3012 struct iscsi_cls_conn *cls_conn)
3013{
3014 int idx = 0, max_ddbs, rval;
3015 struct iscsi_cls_session *cls_sess = iscsi_conn_to_session(cls_conn);
3016 struct iscsi_session *sess, *existing_sess;
3017 struct iscsi_conn *conn, *existing_conn;
3018 struct ddb_entry *ddb_entry;
3019
3020 sess = cls_sess->dd_data;
3021 conn = cls_conn->dd_data;
3022
3023 if (sess->targetname == NULL ||
3024 conn->persistent_address == NULL ||
3025 conn->persistent_port == 0)
3026 return QLA_ERROR;
3027
3028 max_ddbs = is_qla40XX(ha) ? MAX_DEV_DB_ENTRIES_40XX :
3029 MAX_DEV_DB_ENTRIES;
3030
3031 for (idx = 0; idx < max_ddbs; idx++) {
3032 ddb_entry = qla4xxx_lookup_ddb_by_fw_index(ha, idx);
3033 if (ddb_entry == NULL)
3034 continue;
3035
3036 if (ddb_entry->ddb_type != FLASH_DDB)
3037 continue;
3038
3039 existing_sess = ddb_entry->sess->dd_data;
3040 existing_conn = ddb_entry->conn->dd_data;
3041
3042 if (existing_sess->targetname == NULL ||
3043 existing_conn->persistent_address == NULL ||
3044 existing_conn->persistent_port == 0)
3045 continue;
3046
3047 DEBUG2(ql4_printk(KERN_INFO, ha,
3048 "IQN = %s User IQN = %s\n",
3049 existing_sess->targetname,
3050 sess->targetname));
3051
3052 DEBUG2(ql4_printk(KERN_INFO, ha,
3053 "IP = %s User IP = %s\n",
3054 existing_conn->persistent_address,
3055 conn->persistent_address));
3056
3057 DEBUG2(ql4_printk(KERN_INFO, ha,
3058 "Port = %d User Port = %d\n",
3059 existing_conn->persistent_port,
3060 conn->persistent_port));
3061
3062 if (strcmp(existing_sess->targetname, sess->targetname))
3063 continue;
3064 rval = qla4xxx_match_ipaddress(ha, ddb_entry,
3065 existing_conn->persistent_address,
3066 conn->persistent_address);
3067 if (rval == QLA_ERROR)
3068 continue;
3069 if (existing_conn->persistent_port != conn->persistent_port)
3070 continue;
3071 break;
3072 }
3073
3074 if (idx == max_ddbs)
3075 return QLA_ERROR;
3076
3077 DEBUG2(ql4_printk(KERN_INFO, ha,
3078 "Match found in fwdb sessions\n"));
3079 return QLA_SUCCESS;
3080}
3081
3082static struct iscsi_cls_session *
3083qla4xxx_session_create(struct iscsi_endpoint *ep,
3084 uint16_t cmds_max, uint16_t qdepth,
3085 uint32_t initial_cmdsn)
3086{
3087 struct iscsi_cls_session *cls_sess;
3088 struct scsi_qla_host *ha;
3089 struct qla_endpoint *qla_ep;
3090 struct ddb_entry *ddb_entry;
3091 uint16_t ddb_index;
3092 struct iscsi_session *sess;
3093 int ret;
3094
3095 if (!ep) {
3096 printk(KERN_ERR "qla4xxx: missing ep.\n");
3097 return NULL;
3098 }
3099
3100 qla_ep = ep->dd_data;
3101 ha = to_qla_host(qla_ep->host);
3102 DEBUG2(ql4_printk(KERN_INFO, ha, "%s: host: %ld\n", __func__,
3103 ha->host_no));
3104
3105 ret = qla4xxx_get_ddb_index(ha, &ddb_index);
3106 if (ret == QLA_ERROR)
3107 return NULL;
3108
3109 cls_sess = iscsi_session_setup(&qla4xxx_iscsi_transport, qla_ep->host,
3110 cmds_max, sizeof(struct ddb_entry),
3111 sizeof(struct ql4_task_data),
3112 initial_cmdsn, ddb_index);
3113 if (!cls_sess)
3114 return NULL;
3115
3116 sess = cls_sess->dd_data;
3117 ddb_entry = sess->dd_data;
3118 ddb_entry->fw_ddb_index = ddb_index;
3119 ddb_entry->fw_ddb_device_state = DDB_DS_NO_CONNECTION_ACTIVE;
3120 ddb_entry->ha = ha;
3121 ddb_entry->sess = cls_sess;
3122 ddb_entry->unblock_sess = qla4xxx_unblock_ddb;
3123 ddb_entry->ddb_change = qla4xxx_ddb_change;
3124 clear_bit(DDB_CONN_CLOSE_FAILURE, &ddb_entry->flags);
3125 cls_sess->recovery_tmo = ql4xsess_recovery_tmo;
3126 ha->fw_ddb_index_map[ddb_entry->fw_ddb_index] = ddb_entry;
3127 ha->tot_ddbs++;
3128
3129 return cls_sess;
3130}
3131
3132static void qla4xxx_session_destroy(struct iscsi_cls_session *cls_sess)
3133{
3134 struct iscsi_session *sess;
3135 struct ddb_entry *ddb_entry;
3136 struct scsi_qla_host *ha;
3137 unsigned long flags, wtime;
3138 struct dev_db_entry *fw_ddb_entry = NULL;
3139 dma_addr_t fw_ddb_entry_dma;
3140 uint32_t ddb_state;
3141 int ret;
3142
3143 sess = cls_sess->dd_data;
3144 ddb_entry = sess->dd_data;
3145 ha = ddb_entry->ha;
3146 DEBUG2(ql4_printk(KERN_INFO, ha, "%s: host: %ld\n", __func__,
3147 ha->host_no));
3148
3149 fw_ddb_entry = dma_alloc_coherent(&ha->pdev->dev, sizeof(*fw_ddb_entry),
3150 &fw_ddb_entry_dma, GFP_KERNEL);
3151 if (!fw_ddb_entry) {
3152 ql4_printk(KERN_ERR, ha,
3153 "%s: Unable to allocate dma buffer\n", __func__);
3154 goto destroy_session;
3155 }
3156
3157 wtime = jiffies + (HZ * LOGOUT_TOV);
3158 do {
3159 ret = qla4xxx_get_fwddb_entry(ha, ddb_entry->fw_ddb_index,
3160 fw_ddb_entry, fw_ddb_entry_dma,
3161 NULL, NULL, &ddb_state, NULL,
3162 NULL, NULL);
3163 if (ret == QLA_ERROR)
3164 goto destroy_session;
3165
3166 if ((ddb_state == DDB_DS_NO_CONNECTION_ACTIVE) ||
3167 (ddb_state == DDB_DS_SESSION_FAILED))
3168 goto destroy_session;
3169
3170 schedule_timeout_uninterruptible(HZ);
3171 } while ((time_after(wtime, jiffies)));
3172
3173destroy_session:
3174 qla4xxx_clear_ddb_entry(ha, ddb_entry->fw_ddb_index);
3175 if (test_and_clear_bit(DDB_CONN_CLOSE_FAILURE, &ddb_entry->flags))
3176 clear_bit(ddb_entry->fw_ddb_index, ha->ddb_idx_map);
3177 spin_lock_irqsave(&ha->hardware_lock, flags);
3178 qla4xxx_free_ddb(ha, ddb_entry);
3179 spin_unlock_irqrestore(&ha->hardware_lock, flags);
3180
3181 iscsi_session_teardown(cls_sess);
3182
3183 if (fw_ddb_entry)
3184 dma_free_coherent(&ha->pdev->dev, sizeof(*fw_ddb_entry),
3185 fw_ddb_entry, fw_ddb_entry_dma);
3186}
3187
3188static struct iscsi_cls_conn *
3189qla4xxx_conn_create(struct iscsi_cls_session *cls_sess, uint32_t conn_idx)
3190{
3191 struct iscsi_cls_conn *cls_conn;
3192 struct iscsi_session *sess;
3193 struct ddb_entry *ddb_entry;
3194 struct scsi_qla_host *ha;
3195
3196 cls_conn = iscsi_conn_setup(cls_sess, sizeof(struct qla_conn),
3197 conn_idx);
3198 if (!cls_conn) {
3199 pr_info("%s: Can not create connection for conn_idx = %u\n",
3200 __func__, conn_idx);
3201 return NULL;
3202 }
3203
3204 sess = cls_sess->dd_data;
3205 ddb_entry = sess->dd_data;
3206 ddb_entry->conn = cls_conn;
3207
3208 ha = ddb_entry->ha;
3209 DEBUG2(ql4_printk(KERN_INFO, ha, "%s: conn_idx = %u\n", __func__,
3210 conn_idx));
3211 return cls_conn;
3212}
3213
3214static int qla4xxx_conn_bind(struct iscsi_cls_session *cls_session,
3215 struct iscsi_cls_conn *cls_conn,
3216 uint64_t transport_fd, int is_leading)
3217{
3218 struct iscsi_conn *conn;
3219 struct qla_conn *qla_conn;
3220 struct iscsi_endpoint *ep;
3221 struct ddb_entry *ddb_entry;
3222 struct scsi_qla_host *ha;
3223 struct iscsi_session *sess;
3224
3225 sess = cls_session->dd_data;
3226 ddb_entry = sess->dd_data;
3227 ha = ddb_entry->ha;
3228
3229 DEBUG2(ql4_printk(KERN_INFO, ha, "%s: sid = %d, cid = %d\n", __func__,
3230 cls_session->sid, cls_conn->cid));
3231
3232 if (iscsi_conn_bind(cls_session, cls_conn, is_leading))
3233 return -EINVAL;
3234 ep = iscsi_lookup_endpoint(transport_fd);
3235 if (!ep)
3236 return -EINVAL;
3237 conn = cls_conn->dd_data;
3238 qla_conn = conn->dd_data;
3239 qla_conn->qla_ep = ep->dd_data;
3240 return 0;
3241}
3242
3243static int qla4xxx_conn_start(struct iscsi_cls_conn *cls_conn)
3244{
3245 struct iscsi_cls_session *cls_sess = iscsi_conn_to_session(cls_conn);
3246 struct iscsi_session *sess;
3247 struct ddb_entry *ddb_entry;
3248 struct scsi_qla_host *ha;
3249 struct dev_db_entry *fw_ddb_entry = NULL;
3250 dma_addr_t fw_ddb_entry_dma;
3251 uint32_t mbx_sts = 0;
3252 int ret = 0;
3253 int status = QLA_SUCCESS;
3254
3255 sess = cls_sess->dd_data;
3256 ddb_entry = sess->dd_data;
3257 ha = ddb_entry->ha;
3258 DEBUG2(ql4_printk(KERN_INFO, ha, "%s: sid = %d, cid = %d\n", __func__,
3259 cls_sess->sid, cls_conn->cid));
3260
3261
3262
3263
3264
3265 ret = qla4xxx_match_fwdb_session(ha, cls_conn);
3266 if (ret == QLA_SUCCESS) {
3267 ql4_printk(KERN_INFO, ha,
3268 "Session already exist in FW.\n");
3269 ret = -EEXIST;
3270 goto exit_conn_start;
3271 }
3272
3273 fw_ddb_entry = dma_alloc_coherent(&ha->pdev->dev, sizeof(*fw_ddb_entry),
3274 &fw_ddb_entry_dma, GFP_KERNEL);
3275 if (!fw_ddb_entry) {
3276 ql4_printk(KERN_ERR, ha,
3277 "%s: Unable to allocate dma buffer\n", __func__);
3278 ret = -ENOMEM;
3279 goto exit_conn_start;
3280 }
3281
3282 ret = qla4xxx_set_param_ddbentry(ha, ddb_entry, cls_conn, &mbx_sts);
3283 if (ret) {
3284
3285
3286
3287
3288
3289 if (mbx_sts)
3290 if (ddb_entry->fw_ddb_device_state ==
3291 DDB_DS_SESSION_ACTIVE) {
3292 ddb_entry->unblock_sess(ddb_entry->sess);
3293 goto exit_set_param;
3294 }
3295
3296 ql4_printk(KERN_ERR, ha, "%s: Failed set param for index[%d]\n",
3297 __func__, ddb_entry->fw_ddb_index);
3298 goto exit_conn_start;
3299 }
3300
3301 status = qla4xxx_conn_open(ha, ddb_entry->fw_ddb_index);
3302 if (status == QLA_ERROR) {
3303 ql4_printk(KERN_ERR, ha, "%s: Login failed: %s\n", __func__,
3304 sess->targetname);
3305 ret = -EINVAL;
3306 goto exit_conn_start;
3307 }
3308
3309 if (ddb_entry->fw_ddb_device_state == DDB_DS_NO_CONNECTION_ACTIVE)
3310 ddb_entry->fw_ddb_device_state = DDB_DS_LOGIN_IN_PROCESS;
3311
3312 DEBUG2(printk(KERN_INFO "%s: DDB state [%d]\n", __func__,
3313 ddb_entry->fw_ddb_device_state));
3314
3315exit_set_param:
3316 ret = 0;
3317
3318exit_conn_start:
3319 if (fw_ddb_entry)
3320 dma_free_coherent(&ha->pdev->dev, sizeof(*fw_ddb_entry),
3321 fw_ddb_entry, fw_ddb_entry_dma);
3322 return ret;
3323}
3324
3325static void qla4xxx_conn_destroy(struct iscsi_cls_conn *cls_conn)
3326{
3327 struct iscsi_cls_session *cls_sess = iscsi_conn_to_session(cls_conn);
3328 struct iscsi_session *sess;
3329 struct scsi_qla_host *ha;
3330 struct ddb_entry *ddb_entry;
3331 int options;
3332
3333 sess = cls_sess->dd_data;
3334 ddb_entry = sess->dd_data;
3335 ha = ddb_entry->ha;
3336 DEBUG2(ql4_printk(KERN_INFO, ha, "%s: cid = %d\n", __func__,
3337 cls_conn->cid));
3338
3339 options = LOGOUT_OPTION_CLOSE_SESSION;
3340 if (qla4xxx_session_logout_ddb(ha, ddb_entry, options) == QLA_ERROR)
3341 ql4_printk(KERN_ERR, ha, "%s: Logout failed\n", __func__);
3342}
3343
3344static void qla4xxx_task_work(struct work_struct *wdata)
3345{
3346 struct ql4_task_data *task_data;
3347 struct scsi_qla_host *ha;
3348 struct passthru_status *sts;
3349 struct iscsi_task *task;
3350 struct iscsi_hdr *hdr;
3351 uint8_t *data;
3352 uint32_t data_len;
3353 struct iscsi_conn *conn;
3354 int hdr_len;
3355 itt_t itt;
3356
3357 task_data = container_of(wdata, struct ql4_task_data, task_work);
3358 ha = task_data->ha;
3359 task = task_data->task;
3360 sts = &task_data->sts;
3361 hdr_len = sizeof(struct iscsi_hdr);
3362
3363 DEBUG3(printk(KERN_INFO "Status returned\n"));
3364 DEBUG3(qla4xxx_dump_buffer(sts, 64));
3365 DEBUG3(printk(KERN_INFO "Response buffer"));
3366 DEBUG3(qla4xxx_dump_buffer(task_data->resp_buffer, 64));
3367
3368 conn = task->conn;
3369
3370 switch (sts->completionStatus) {
3371 case PASSTHRU_STATUS_COMPLETE:
3372 hdr = (struct iscsi_hdr *)task_data->resp_buffer;
3373
3374 itt = sts->handle;
3375 hdr->itt = itt;
3376 data = task_data->resp_buffer + hdr_len;
3377 data_len = task_data->resp_len - hdr_len;
3378 iscsi_complete_pdu(conn, hdr, data, data_len);
3379 break;
3380 default:
3381 ql4_printk(KERN_ERR, ha, "Passthru failed status = 0x%x\n",
3382 sts->completionStatus);
3383 break;
3384 }
3385 return;
3386}
3387
3388static int qla4xxx_alloc_pdu(struct iscsi_task *task, uint8_t opcode)
3389{
3390 struct ql4_task_data *task_data;
3391 struct iscsi_session *sess;
3392 struct ddb_entry *ddb_entry;
3393 struct scsi_qla_host *ha;
3394 int hdr_len;
3395
3396 sess = task->conn->session;
3397 ddb_entry = sess->dd_data;
3398 ha = ddb_entry->ha;
3399 task_data = task->dd_data;
3400 memset(task_data, 0, sizeof(struct ql4_task_data));
3401
3402 if (task->sc) {
3403 ql4_printk(KERN_INFO, ha,
3404 "%s: SCSI Commands not implemented\n", __func__);
3405 return -EINVAL;
3406 }
3407
3408 hdr_len = sizeof(struct iscsi_hdr);
3409 task_data->ha = ha;
3410 task_data->task = task;
3411
3412 if (task->data_count) {
3413 task_data->data_dma = dma_map_single(&ha->pdev->dev, task->data,
3414 task->data_count,
3415 DMA_TO_DEVICE);
3416 }
3417
3418 DEBUG2(ql4_printk(KERN_INFO, ha, "%s: MaxRecvLen %u, iscsi hrd %d\n",
3419 __func__, task->conn->max_recv_dlength, hdr_len));
3420
3421 task_data->resp_len = task->conn->max_recv_dlength + hdr_len;
3422 task_data->resp_buffer = dma_alloc_coherent(&ha->pdev->dev,
3423 task_data->resp_len,
3424 &task_data->resp_dma,
3425 GFP_ATOMIC);
3426 if (!task_data->resp_buffer)
3427 goto exit_alloc_pdu;
3428
3429 task_data->req_len = task->data_count + hdr_len;
3430 task_data->req_buffer = dma_alloc_coherent(&ha->pdev->dev,
3431 task_data->req_len,
3432 &task_data->req_dma,
3433 GFP_ATOMIC);
3434 if (!task_data->req_buffer)
3435 goto exit_alloc_pdu;
3436
3437 task->hdr = task_data->req_buffer;
3438
3439 INIT_WORK(&task_data->task_work, qla4xxx_task_work);
3440
3441 return 0;
3442
3443exit_alloc_pdu:
3444 if (task_data->resp_buffer)
3445 dma_free_coherent(&ha->pdev->dev, task_data->resp_len,
3446 task_data->resp_buffer, task_data->resp_dma);
3447
3448 if (task_data->req_buffer)
3449 dma_free_coherent(&ha->pdev->dev, task_data->req_len,
3450 task_data->req_buffer, task_data->req_dma);
3451 return -ENOMEM;
3452}
3453
3454static void qla4xxx_task_cleanup(struct iscsi_task *task)
3455{
3456 struct ql4_task_data *task_data;
3457 struct iscsi_session *sess;
3458 struct ddb_entry *ddb_entry;
3459 struct scsi_qla_host *ha;
3460 int hdr_len;
3461
3462 hdr_len = sizeof(struct iscsi_hdr);
3463 sess = task->conn->session;
3464 ddb_entry = sess->dd_data;
3465 ha = ddb_entry->ha;
3466 task_data = task->dd_data;
3467
3468 if (task->data_count) {
3469 dma_unmap_single(&ha->pdev->dev, task_data->data_dma,
3470 task->data_count, DMA_TO_DEVICE);
3471 }
3472
3473 DEBUG2(ql4_printk(KERN_INFO, ha, "%s: MaxRecvLen %u, iscsi hrd %d\n",
3474 __func__, task->conn->max_recv_dlength, hdr_len));
3475
3476 dma_free_coherent(&ha->pdev->dev, task_data->resp_len,
3477 task_data->resp_buffer, task_data->resp_dma);
3478 dma_free_coherent(&ha->pdev->dev, task_data->req_len,
3479 task_data->req_buffer, task_data->req_dma);
3480 return;
3481}
3482
3483static int qla4xxx_task_xmit(struct iscsi_task *task)
3484{
3485 struct scsi_cmnd *sc = task->sc;
3486 struct iscsi_session *sess = task->conn->session;
3487 struct ddb_entry *ddb_entry = sess->dd_data;
3488 struct scsi_qla_host *ha = ddb_entry->ha;
3489
3490 if (!sc)
3491 return qla4xxx_send_passthru0(task);
3492
3493 ql4_printk(KERN_INFO, ha, "%s: scsi cmd xmit not implemented\n",
3494 __func__);
3495 return -ENOSYS;
3496}
3497
3498static int qla4xxx_copy_from_fwddb_param(struct iscsi_bus_flash_session *sess,
3499 struct iscsi_bus_flash_conn *conn,
3500 struct dev_db_entry *fw_ddb_entry)
3501{
3502 unsigned long options = 0;
3503 int rc = 0;
3504
3505 options = le16_to_cpu(fw_ddb_entry->options);
3506 conn->is_fw_assigned_ipv6 = test_bit(OPT_IS_FW_ASSIGNED_IPV6, &options);
3507 if (test_bit(OPT_IPV6_DEVICE, &options)) {
3508 rc = iscsi_switch_str_param(&sess->portal_type,
3509 PORTAL_TYPE_IPV6);
3510 if (rc)
3511 goto exit_copy;
3512 } else {
3513 rc = iscsi_switch_str_param(&sess->portal_type,
3514 PORTAL_TYPE_IPV4);
3515 if (rc)
3516 goto exit_copy;
3517 }
3518
3519 sess->auto_snd_tgt_disable = test_bit(OPT_AUTO_SENDTGTS_DISABLE,
3520 &options);
3521 sess->discovery_sess = test_bit(OPT_DISC_SESSION, &options);
3522 sess->entry_state = test_bit(OPT_ENTRY_STATE, &options);
3523
3524 options = le16_to_cpu(fw_ddb_entry->iscsi_options);
3525 conn->hdrdgst_en = test_bit(ISCSIOPT_HEADER_DIGEST_EN, &options);
3526 conn->datadgst_en = test_bit(ISCSIOPT_DATA_DIGEST_EN, &options);
3527 sess->imm_data_en = test_bit(ISCSIOPT_IMMEDIATE_DATA_EN, &options);
3528 sess->initial_r2t_en = test_bit(ISCSIOPT_INITIAL_R2T_EN, &options);
3529 sess->dataseq_inorder_en = test_bit(ISCSIOPT_DATA_SEQ_IN_ORDER,
3530 &options);
3531 sess->pdu_inorder_en = test_bit(ISCSIOPT_DATA_PDU_IN_ORDER, &options);
3532 sess->chap_auth_en = test_bit(ISCSIOPT_CHAP_AUTH_EN, &options);
3533 conn->snack_req_en = test_bit(ISCSIOPT_SNACK_REQ_EN, &options);
3534 sess->discovery_logout_en = test_bit(ISCSIOPT_DISCOVERY_LOGOUT_EN,
3535 &options);
3536 sess->bidi_chap_en = test_bit(ISCSIOPT_BIDI_CHAP_EN, &options);
3537 sess->discovery_auth_optional =
3538 test_bit(ISCSIOPT_DISCOVERY_AUTH_OPTIONAL, &options);
3539 if (test_bit(ISCSIOPT_ERL1, &options))
3540 sess->erl |= BIT_1;
3541 if (test_bit(ISCSIOPT_ERL0, &options))
3542 sess->erl |= BIT_0;
3543
3544 options = le16_to_cpu(fw_ddb_entry->tcp_options);
3545 conn->tcp_timestamp_stat = test_bit(TCPOPT_TIMESTAMP_STAT, &options);
3546 conn->tcp_nagle_disable = test_bit(TCPOPT_NAGLE_DISABLE, &options);
3547 conn->tcp_wsf_disable = test_bit(TCPOPT_WSF_DISABLE, &options);
3548 if (test_bit(TCPOPT_TIMER_SCALE3, &options))
3549 conn->tcp_timer_scale |= BIT_3;
3550 if (test_bit(TCPOPT_TIMER_SCALE2, &options))
3551 conn->tcp_timer_scale |= BIT_2;
3552 if (test_bit(TCPOPT_TIMER_SCALE1, &options))
3553 conn->tcp_timer_scale |= BIT_1;
3554
3555 conn->tcp_timer_scale >>= 1;
3556 conn->tcp_timestamp_en = test_bit(TCPOPT_TIMESTAMP_EN, &options);
3557
3558 options = le16_to_cpu(fw_ddb_entry->ip_options);
3559 conn->fragment_disable = test_bit(IPOPT_FRAGMENT_DISABLE, &options);
3560
3561 conn->max_recv_dlength = BYTE_UNITS *
3562 le16_to_cpu(fw_ddb_entry->iscsi_max_rcv_data_seg_len);
3563 conn->max_xmit_dlength = BYTE_UNITS *
3564 le16_to_cpu(fw_ddb_entry->iscsi_max_snd_data_seg_len);
3565 sess->first_burst = BYTE_UNITS *
3566 le16_to_cpu(fw_ddb_entry->iscsi_first_burst_len);
3567 sess->max_burst = BYTE_UNITS *
3568 le16_to_cpu(fw_ddb_entry->iscsi_max_burst_len);
3569 sess->max_r2t = le16_to_cpu(fw_ddb_entry->iscsi_max_outsnd_r2t);
3570 sess->time2wait = le16_to_cpu(fw_ddb_entry->iscsi_def_time2wait);
3571 sess->time2retain = le16_to_cpu(fw_ddb_entry->iscsi_def_time2retain);
3572 sess->tpgt = le32_to_cpu(fw_ddb_entry->tgt_portal_grp);
3573 conn->max_segment_size = le16_to_cpu(fw_ddb_entry->mss);
3574 conn->tcp_xmit_wsf = fw_ddb_entry->tcp_xmt_wsf;
3575 conn->tcp_recv_wsf = fw_ddb_entry->tcp_rcv_wsf;
3576 conn->ipv6_flow_label = le16_to_cpu(fw_ddb_entry->ipv6_flow_lbl);
3577 conn->keepalive_timeout = le16_to_cpu(fw_ddb_entry->ka_timeout);
3578 conn->local_port = le16_to_cpu(fw_ddb_entry->lcl_port);
3579 conn->statsn = le32_to_cpu(fw_ddb_entry->stat_sn);
3580 conn->exp_statsn = le32_to_cpu(fw_ddb_entry->exp_stat_sn);
3581 sess->discovery_parent_idx = le16_to_cpu(fw_ddb_entry->ddb_link);
3582 sess->discovery_parent_type = le16_to_cpu(fw_ddb_entry->ddb_link);
3583 sess->chap_out_idx = le16_to_cpu(fw_ddb_entry->chap_tbl_idx);
3584 sess->tsid = le16_to_cpu(fw_ddb_entry->tsid);
3585
3586 sess->default_taskmgmt_timeout =
3587 le16_to_cpu(fw_ddb_entry->def_timeout);
3588 conn->port = le16_to_cpu(fw_ddb_entry->port);
3589
3590 options = le16_to_cpu(fw_ddb_entry->options);
3591 conn->ipaddress = kzalloc(IPv6_ADDR_LEN, GFP_KERNEL);
3592 if (!conn->ipaddress) {
3593 rc = -ENOMEM;
3594 goto exit_copy;
3595 }
3596
3597 conn->redirect_ipaddr = kzalloc(IPv6_ADDR_LEN, GFP_KERNEL);
3598 if (!conn->redirect_ipaddr) {
3599 rc = -ENOMEM;
3600 goto exit_copy;
3601 }
3602
3603 memcpy(conn->ipaddress, fw_ddb_entry->ip_addr, IPv6_ADDR_LEN);
3604 memcpy(conn->redirect_ipaddr, fw_ddb_entry->tgt_addr, IPv6_ADDR_LEN);
3605
3606 if (test_bit(OPT_IPV6_DEVICE, &options)) {
3607 conn->ipv6_traffic_class = fw_ddb_entry->ipv4_tos;
3608
3609 conn->link_local_ipv6_addr = kmemdup(
3610 fw_ddb_entry->link_local_ipv6_addr,
3611 IPv6_ADDR_LEN, GFP_KERNEL);
3612 if (!conn->link_local_ipv6_addr) {
3613 rc = -ENOMEM;
3614 goto exit_copy;
3615 }
3616 } else {
3617 conn->ipv4_tos = fw_ddb_entry->ipv4_tos;
3618 }
3619
3620 if (fw_ddb_entry->iscsi_name[0]) {
3621 rc = iscsi_switch_str_param(&sess->targetname,
3622 (char *)fw_ddb_entry->iscsi_name);
3623 if (rc)
3624 goto exit_copy;
3625 }
3626
3627 if (fw_ddb_entry->iscsi_alias[0]) {
3628 rc = iscsi_switch_str_param(&sess->targetalias,
3629 (char *)fw_ddb_entry->iscsi_alias);
3630 if (rc)
3631 goto exit_copy;
3632 }
3633
3634 COPY_ISID(sess->isid, fw_ddb_entry->isid);
3635
3636exit_copy:
3637 return rc;
3638}
3639
3640static int qla4xxx_copy_to_fwddb_param(struct iscsi_bus_flash_session *sess,
3641 struct iscsi_bus_flash_conn *conn,
3642 struct dev_db_entry *fw_ddb_entry)
3643{
3644 uint16_t options;
3645 int rc = 0;
3646
3647 options = le16_to_cpu(fw_ddb_entry->options);
3648 SET_BITVAL(conn->is_fw_assigned_ipv6, options, BIT_11);
3649 if (!strncmp(sess->portal_type, PORTAL_TYPE_IPV6, 4))
3650 options |= BIT_8;
3651 else
3652 options &= ~BIT_8;
3653
3654 SET_BITVAL(sess->auto_snd_tgt_disable, options, BIT_6);
3655 SET_BITVAL(sess->discovery_sess, options, BIT_4);
3656 SET_BITVAL(sess->entry_state, options, BIT_3);
3657 fw_ddb_entry->options = cpu_to_le16(options);
3658
3659 options = le16_to_cpu(fw_ddb_entry->iscsi_options);
3660 SET_BITVAL(conn->hdrdgst_en, options, BIT_13);
3661 SET_BITVAL(conn->datadgst_en, options, BIT_12);
3662 SET_BITVAL(sess->imm_data_en, options, BIT_11);
3663 SET_BITVAL(sess->initial_r2t_en, options, BIT_10);
3664 SET_BITVAL(sess->dataseq_inorder_en, options, BIT_9);
3665 SET_BITVAL(sess->pdu_inorder_en, options, BIT_8);
3666 SET_BITVAL(sess->chap_auth_en, options, BIT_7);
3667 SET_BITVAL(conn->snack_req_en, options, BIT_6);
3668 SET_BITVAL(sess->discovery_logout_en, options, BIT_5);
3669 SET_BITVAL(sess->bidi_chap_en, options, BIT_4);
3670 SET_BITVAL(sess->discovery_auth_optional, options, BIT_3);
3671 SET_BITVAL(sess->erl & BIT_1, options, BIT_1);
3672 SET_BITVAL(sess->erl & BIT_0, options, BIT_0);
3673 fw_ddb_entry->iscsi_options = cpu_to_le16(options);
3674
3675 options = le16_to_cpu(fw_ddb_entry->tcp_options);
3676 SET_BITVAL(conn->tcp_timestamp_stat, options, BIT_6);
3677 SET_BITVAL(conn->tcp_nagle_disable, options, BIT_5);
3678 SET_BITVAL(conn->tcp_wsf_disable, options, BIT_4);
3679 SET_BITVAL(conn->tcp_timer_scale & BIT_2, options, BIT_3);
3680 SET_BITVAL(conn->tcp_timer_scale & BIT_1, options, BIT_2);
3681 SET_BITVAL(conn->tcp_timer_scale & BIT_0, options, BIT_1);
3682 SET_BITVAL(conn->tcp_timestamp_en, options, BIT_0);
3683 fw_ddb_entry->tcp_options = cpu_to_le16(options);
3684
3685 options = le16_to_cpu(fw_ddb_entry->ip_options);
3686 SET_BITVAL(conn->fragment_disable, options, BIT_4);
3687 fw_ddb_entry->ip_options = cpu_to_le16(options);
3688
3689 fw_ddb_entry->iscsi_max_outsnd_r2t = cpu_to_le16(sess->max_r2t);
3690 fw_ddb_entry->iscsi_max_rcv_data_seg_len =
3691 cpu_to_le16(conn->max_recv_dlength / BYTE_UNITS);
3692 fw_ddb_entry->iscsi_max_snd_data_seg_len =
3693 cpu_to_le16(conn->max_xmit_dlength / BYTE_UNITS);
3694 fw_ddb_entry->iscsi_first_burst_len =
3695 cpu_to_le16(sess->first_burst / BYTE_UNITS);
3696 fw_ddb_entry->iscsi_max_burst_len = cpu_to_le16(sess->max_burst /
3697 BYTE_UNITS);
3698 fw_ddb_entry->iscsi_def_time2wait = cpu_to_le16(sess->time2wait);
3699 fw_ddb_entry->iscsi_def_time2retain = cpu_to_le16(sess->time2retain);
3700 fw_ddb_entry->tgt_portal_grp = cpu_to_le16(sess->tpgt);
3701 fw_ddb_entry->mss = cpu_to_le16(conn->max_segment_size);
3702 fw_ddb_entry->tcp_xmt_wsf = (uint8_t) cpu_to_le32(conn->tcp_xmit_wsf);
3703 fw_ddb_entry->tcp_rcv_wsf = (uint8_t) cpu_to_le32(conn->tcp_recv_wsf);
3704 fw_ddb_entry->ipv6_flow_lbl = cpu_to_le16(conn->ipv6_flow_label);
3705 fw_ddb_entry->ka_timeout = cpu_to_le16(conn->keepalive_timeout);
3706 fw_ddb_entry->lcl_port = cpu_to_le16(conn->local_port);
3707 fw_ddb_entry->stat_sn = cpu_to_le32(conn->statsn);
3708 fw_ddb_entry->exp_stat_sn = cpu_to_le32(conn->exp_statsn);
3709 fw_ddb_entry->ddb_link = cpu_to_le16(sess->discovery_parent_idx);
3710 fw_ddb_entry->chap_tbl_idx = cpu_to_le16(sess->chap_out_idx);
3711 fw_ddb_entry->tsid = cpu_to_le16(sess->tsid);
3712 fw_ddb_entry->port = cpu_to_le16(conn->port);
3713 fw_ddb_entry->def_timeout =
3714 cpu_to_le16(sess->default_taskmgmt_timeout);
3715
3716 if (!strncmp(sess->portal_type, PORTAL_TYPE_IPV6, 4))
3717 fw_ddb_entry->ipv4_tos = conn->ipv6_traffic_class;
3718 else
3719 fw_ddb_entry->ipv4_tos = conn->ipv4_tos;
3720
3721 if (conn->ipaddress)
3722 memcpy(fw_ddb_entry->ip_addr, conn->ipaddress,
3723 sizeof(fw_ddb_entry->ip_addr));
3724
3725 if (conn->redirect_ipaddr)
3726 memcpy(fw_ddb_entry->tgt_addr, conn->redirect_ipaddr,
3727 sizeof(fw_ddb_entry->tgt_addr));
3728
3729 if (conn->link_local_ipv6_addr)
3730 memcpy(fw_ddb_entry->link_local_ipv6_addr,
3731 conn->link_local_ipv6_addr,
3732 sizeof(fw_ddb_entry->link_local_ipv6_addr));
3733
3734 if (sess->targetname)
3735 memcpy(fw_ddb_entry->iscsi_name, sess->targetname,
3736 sizeof(fw_ddb_entry->iscsi_name));
3737
3738 if (sess->targetalias)
3739 memcpy(fw_ddb_entry->iscsi_alias, sess->targetalias,
3740 sizeof(fw_ddb_entry->iscsi_alias));
3741
3742 COPY_ISID(fw_ddb_entry->isid, sess->isid);
3743
3744 return rc;
3745}
3746
3747static void qla4xxx_copy_to_sess_conn_params(struct iscsi_conn *conn,
3748 struct iscsi_session *sess,
3749 struct dev_db_entry *fw_ddb_entry)
3750{
3751 unsigned long options = 0;
3752 uint16_t ddb_link;
3753 uint16_t disc_parent;
3754 char ip_addr[DDB_IPADDR_LEN];
3755
3756 options = le16_to_cpu(fw_ddb_entry->options);
3757 conn->is_fw_assigned_ipv6 = test_bit(OPT_IS_FW_ASSIGNED_IPV6, &options);
3758 sess->auto_snd_tgt_disable = test_bit(OPT_AUTO_SENDTGTS_DISABLE,
3759 &options);
3760 sess->discovery_sess = test_bit(OPT_DISC_SESSION, &options);
3761
3762 options = le16_to_cpu(fw_ddb_entry->iscsi_options);
3763 conn->hdrdgst_en = test_bit(ISCSIOPT_HEADER_DIGEST_EN, &options);
3764 conn->datadgst_en = test_bit(ISCSIOPT_DATA_DIGEST_EN, &options);
3765 sess->imm_data_en = test_bit(ISCSIOPT_IMMEDIATE_DATA_EN, &options);
3766 sess->initial_r2t_en = test_bit(ISCSIOPT_INITIAL_R2T_EN, &options);
3767 sess->dataseq_inorder_en = test_bit(ISCSIOPT_DATA_SEQ_IN_ORDER,
3768 &options);
3769 sess->pdu_inorder_en = test_bit(ISCSIOPT_DATA_PDU_IN_ORDER, &options);
3770 sess->chap_auth_en = test_bit(ISCSIOPT_CHAP_AUTH_EN, &options);
3771 sess->discovery_logout_en = test_bit(ISCSIOPT_DISCOVERY_LOGOUT_EN,
3772 &options);
3773 sess->bidi_chap_en = test_bit(ISCSIOPT_BIDI_CHAP_EN, &options);
3774 sess->discovery_auth_optional =
3775 test_bit(ISCSIOPT_DISCOVERY_AUTH_OPTIONAL, &options);
3776 if (test_bit(ISCSIOPT_ERL1, &options))
3777 sess->erl |= BIT_1;
3778 if (test_bit(ISCSIOPT_ERL0, &options))
3779 sess->erl |= BIT_0;
3780
3781 options = le16_to_cpu(fw_ddb_entry->tcp_options);
3782 conn->tcp_timestamp_stat = test_bit(TCPOPT_TIMESTAMP_STAT, &options);
3783 conn->tcp_nagle_disable = test_bit(TCPOPT_NAGLE_DISABLE, &options);
3784 conn->tcp_wsf_disable = test_bit(TCPOPT_WSF_DISABLE, &options);
3785 if (test_bit(TCPOPT_TIMER_SCALE3, &options))
3786 conn->tcp_timer_scale |= BIT_3;
3787 if (test_bit(TCPOPT_TIMER_SCALE2, &options))
3788 conn->tcp_timer_scale |= BIT_2;
3789 if (test_bit(TCPOPT_TIMER_SCALE1, &options))
3790 conn->tcp_timer_scale |= BIT_1;
3791
3792 conn->tcp_timer_scale >>= 1;
3793 conn->tcp_timestamp_en = test_bit(TCPOPT_TIMESTAMP_EN, &options);
3794
3795 options = le16_to_cpu(fw_ddb_entry->ip_options);
3796 conn->fragment_disable = test_bit(IPOPT_FRAGMENT_DISABLE, &options);
3797
3798 conn->max_recv_dlength = BYTE_UNITS *
3799 le16_to_cpu(fw_ddb_entry->iscsi_max_rcv_data_seg_len);
3800 conn->max_xmit_dlength = BYTE_UNITS *
3801 le16_to_cpu(fw_ddb_entry->iscsi_max_snd_data_seg_len);
3802 sess->max_r2t = le16_to_cpu(fw_ddb_entry->iscsi_max_outsnd_r2t);
3803 sess->first_burst = BYTE_UNITS *
3804 le16_to_cpu(fw_ddb_entry->iscsi_first_burst_len);
3805 sess->max_burst = BYTE_UNITS *
3806 le16_to_cpu(fw_ddb_entry->iscsi_max_burst_len);
3807 sess->time2wait = le16_to_cpu(fw_ddb_entry->iscsi_def_time2wait);
3808 sess->time2retain = le16_to_cpu(fw_ddb_entry->iscsi_def_time2retain);
3809 sess->tpgt = le32_to_cpu(fw_ddb_entry->tgt_portal_grp);
3810 conn->max_segment_size = le16_to_cpu(fw_ddb_entry->mss);
3811 conn->tcp_xmit_wsf = fw_ddb_entry->tcp_xmt_wsf;
3812 conn->tcp_recv_wsf = fw_ddb_entry->tcp_rcv_wsf;
3813 conn->ipv4_tos = fw_ddb_entry->ipv4_tos;
3814 conn->keepalive_tmo = le16_to_cpu(fw_ddb_entry->ka_timeout);
3815 conn->local_port = le16_to_cpu(fw_ddb_entry->lcl_port);
3816 conn->statsn = le32_to_cpu(fw_ddb_entry->stat_sn);
3817 conn->exp_statsn = le32_to_cpu(fw_ddb_entry->exp_stat_sn);
3818 sess->tsid = le16_to_cpu(fw_ddb_entry->tsid);
3819 COPY_ISID(sess->isid, fw_ddb_entry->isid);
3820
3821 ddb_link = le16_to_cpu(fw_ddb_entry->ddb_link);
3822 if (ddb_link == DDB_ISNS)
3823 disc_parent = ISCSI_DISC_PARENT_ISNS;
3824 else if (ddb_link == DDB_NO_LINK)
3825 disc_parent = ISCSI_DISC_PARENT_UNKNOWN;
3826 else if (ddb_link < MAX_DDB_ENTRIES)
3827 disc_parent = ISCSI_DISC_PARENT_SENDTGT;
3828 else
3829 disc_parent = ISCSI_DISC_PARENT_UNKNOWN;
3830
3831 iscsi_set_param(conn->cls_conn, ISCSI_PARAM_DISCOVERY_PARENT_TYPE,
3832 iscsi_get_discovery_parent_name(disc_parent), 0);
3833
3834 iscsi_set_param(conn->cls_conn, ISCSI_PARAM_TARGET_ALIAS,
3835 (char *)fw_ddb_entry->iscsi_alias, 0);
3836
3837 options = le16_to_cpu(fw_ddb_entry->options);
3838 if (options & DDB_OPT_IPV6_DEVICE) {
3839 memset(ip_addr, 0, sizeof(ip_addr));
3840 sprintf(ip_addr, "%pI6", fw_ddb_entry->link_local_ipv6_addr);
3841 iscsi_set_param(conn->cls_conn, ISCSI_PARAM_LOCAL_IPADDR,
3842 (char *)ip_addr, 0);
3843 }
3844}
3845
3846static void qla4xxx_copy_fwddb_param(struct scsi_qla_host *ha,
3847 struct dev_db_entry *fw_ddb_entry,
3848 struct iscsi_cls_session *cls_sess,
3849 struct iscsi_cls_conn *cls_conn)
3850{
3851 int buflen = 0;
3852 struct iscsi_session *sess;
3853 struct ddb_entry *ddb_entry;
3854 struct ql4_chap_table chap_tbl;
3855 struct iscsi_conn *conn;
3856 char ip_addr[DDB_IPADDR_LEN];
3857 uint16_t options = 0;
3858
3859 sess = cls_sess->dd_data;
3860 ddb_entry = sess->dd_data;
3861 conn = cls_conn->dd_data;
3862 memset(&chap_tbl, 0, sizeof(chap_tbl));
3863
3864 ddb_entry->chap_tbl_idx = le16_to_cpu(fw_ddb_entry->chap_tbl_idx);
3865
3866 qla4xxx_copy_to_sess_conn_params(conn, sess, fw_ddb_entry);
3867
3868 sess->def_taskmgmt_tmo = le16_to_cpu(fw_ddb_entry->def_timeout);
3869 conn->persistent_port = le16_to_cpu(fw_ddb_entry->port);
3870
3871 memset(ip_addr, 0, sizeof(ip_addr));
3872 options = le16_to_cpu(fw_ddb_entry->options);
3873 if (options & DDB_OPT_IPV6_DEVICE) {
3874 iscsi_set_param(cls_conn, ISCSI_PARAM_PORTAL_TYPE, "ipv6", 4);
3875
3876 memset(ip_addr, 0, sizeof(ip_addr));
3877 sprintf(ip_addr, "%pI6", fw_ddb_entry->ip_addr);
3878 } else {
3879 iscsi_set_param(cls_conn, ISCSI_PARAM_PORTAL_TYPE, "ipv4", 4);
3880 sprintf(ip_addr, "%pI4", fw_ddb_entry->ip_addr);
3881 }
3882
3883 iscsi_set_param(cls_conn, ISCSI_PARAM_PERSISTENT_ADDRESS,
3884 (char *)ip_addr, buflen);
3885 iscsi_set_param(cls_conn, ISCSI_PARAM_TARGET_NAME,
3886 (char *)fw_ddb_entry->iscsi_name, buflen);
3887 iscsi_set_param(cls_conn, ISCSI_PARAM_INITIATOR_NAME,
3888 (char *)ha->name_string, buflen);
3889
3890 if (ddb_entry->chap_tbl_idx != INVALID_ENTRY) {
3891 if (!qla4xxx_get_uni_chap_at_index(ha, chap_tbl.name,
3892 chap_tbl.secret,
3893 ddb_entry->chap_tbl_idx)) {
3894 iscsi_set_param(cls_conn, ISCSI_PARAM_USERNAME,
3895 (char *)chap_tbl.name,
3896 strlen((char *)chap_tbl.name));
3897 iscsi_set_param(cls_conn, ISCSI_PARAM_PASSWORD,
3898 (char *)chap_tbl.secret,
3899 chap_tbl.secret_len);
3900 }
3901 }
3902}
3903
3904void qla4xxx_update_session_conn_fwddb_param(struct scsi_qla_host *ha,
3905 struct ddb_entry *ddb_entry)
3906{
3907 struct iscsi_cls_session *cls_sess;
3908 struct iscsi_cls_conn *cls_conn;
3909 uint32_t ddb_state;
3910 dma_addr_t fw_ddb_entry_dma;
3911 struct dev_db_entry *fw_ddb_entry;
3912
3913 fw_ddb_entry = dma_alloc_coherent(&ha->pdev->dev, sizeof(*fw_ddb_entry),
3914 &fw_ddb_entry_dma, GFP_KERNEL);
3915 if (!fw_ddb_entry) {
3916 ql4_printk(KERN_ERR, ha,
3917 "%s: Unable to allocate dma buffer\n", __func__);
3918 goto exit_session_conn_fwddb_param;
3919 }
3920
3921 if (qla4xxx_get_fwddb_entry(ha, ddb_entry->fw_ddb_index, fw_ddb_entry,
3922 fw_ddb_entry_dma, NULL, NULL, &ddb_state,
3923 NULL, NULL, NULL) == QLA_ERROR) {
3924 DEBUG2(ql4_printk(KERN_ERR, ha, "scsi%ld: %s: failed "
3925 "get_ddb_entry for fw_ddb_index %d\n",
3926 ha->host_no, __func__,
3927 ddb_entry->fw_ddb_index));
3928 goto exit_session_conn_fwddb_param;
3929 }
3930
3931 cls_sess = ddb_entry->sess;
3932
3933 cls_conn = ddb_entry->conn;
3934
3935
3936 qla4xxx_copy_fwddb_param(ha, fw_ddb_entry, cls_sess, cls_conn);
3937
3938exit_session_conn_fwddb_param:
3939 if (fw_ddb_entry)
3940 dma_free_coherent(&ha->pdev->dev, sizeof(*fw_ddb_entry),
3941 fw_ddb_entry, fw_ddb_entry_dma);
3942}
3943
3944void qla4xxx_update_session_conn_param(struct scsi_qla_host *ha,
3945 struct ddb_entry *ddb_entry)
3946{
3947 struct iscsi_cls_session *cls_sess;
3948 struct iscsi_cls_conn *cls_conn;
3949 struct iscsi_session *sess;
3950 struct iscsi_conn *conn;
3951 uint32_t ddb_state;
3952 dma_addr_t fw_ddb_entry_dma;
3953 struct dev_db_entry *fw_ddb_entry;
3954
3955 fw_ddb_entry = dma_alloc_coherent(&ha->pdev->dev, sizeof(*fw_ddb_entry),
3956 &fw_ddb_entry_dma, GFP_KERNEL);
3957 if (!fw_ddb_entry) {
3958 ql4_printk(KERN_ERR, ha,
3959 "%s: Unable to allocate dma buffer\n", __func__);
3960 goto exit_session_conn_param;
3961 }
3962
3963 if (qla4xxx_get_fwddb_entry(ha, ddb_entry->fw_ddb_index, fw_ddb_entry,
3964 fw_ddb_entry_dma, NULL, NULL, &ddb_state,
3965 NULL, NULL, NULL) == QLA_ERROR) {
3966 DEBUG2(ql4_printk(KERN_ERR, ha, "scsi%ld: %s: failed "
3967 "get_ddb_entry for fw_ddb_index %d\n",
3968 ha->host_no, __func__,
3969 ddb_entry->fw_ddb_index));
3970 goto exit_session_conn_param;
3971 }
3972
3973 cls_sess = ddb_entry->sess;
3974 sess = cls_sess->dd_data;
3975
3976 cls_conn = ddb_entry->conn;
3977 conn = cls_conn->dd_data;
3978
3979
3980 ddb_entry->default_relogin_timeout =
3981 (le16_to_cpu(fw_ddb_entry->def_timeout) > LOGIN_TOV) &&
3982 (le16_to_cpu(fw_ddb_entry->def_timeout) < LOGIN_TOV * 10) ?
3983 le16_to_cpu(fw_ddb_entry->def_timeout) : LOGIN_TOV;
3984 ddb_entry->default_time2wait =
3985 le16_to_cpu(fw_ddb_entry->iscsi_def_time2wait);
3986
3987
3988 ddb_entry->chap_tbl_idx = le16_to_cpu(fw_ddb_entry->chap_tbl_idx);
3989 qla4xxx_copy_to_sess_conn_params(conn, sess, fw_ddb_entry);
3990
3991 memcpy(sess->initiatorname, ha->name_string,
3992 min(sizeof(ha->name_string), sizeof(sess->initiatorname)));
3993
3994exit_session_conn_param:
3995 if (fw_ddb_entry)
3996 dma_free_coherent(&ha->pdev->dev, sizeof(*fw_ddb_entry),
3997 fw_ddb_entry, fw_ddb_entry_dma);
3998}
3999
4000
4001
4002
4003static void qla4xxx_timer(struct timer_list *t);
4004
4005static void qla4xxx_start_timer(struct scsi_qla_host *ha,
4006 unsigned long interval)
4007{
4008 DEBUG(printk("scsi: %s: Starting timer thread for adapter %d\n",
4009 __func__, ha->host->host_no));
4010 timer_setup(&ha->timer, qla4xxx_timer, 0);
4011 ha->timer.expires = jiffies + interval * HZ;
4012 add_timer(&ha->timer);
4013 ha->timer_active = 1;
4014}
4015
4016static void qla4xxx_stop_timer(struct scsi_qla_host *ha)
4017{
4018 del_timer_sync(&ha->timer);
4019 ha->timer_active = 0;
4020}
4021
4022
4023
4024
4025
4026
4027
4028
4029void qla4xxx_mark_device_missing(struct iscsi_cls_session *cls_session)
4030{
4031 iscsi_block_session(cls_session);
4032}
4033
4034
4035
4036
4037
4038
4039
4040void qla4xxx_mark_all_devices_missing(struct scsi_qla_host *ha)
4041{
4042 iscsi_host_for_each_session(ha->host, qla4xxx_mark_device_missing);
4043}
4044
4045static struct srb* qla4xxx_get_new_srb(struct scsi_qla_host *ha,
4046 struct ddb_entry *ddb_entry,
4047 struct scsi_cmnd *cmd)
4048{
4049 struct srb *srb;
4050
4051 srb = mempool_alloc(ha->srb_mempool, GFP_ATOMIC);
4052 if (!srb)
4053 return srb;
4054
4055 kref_init(&srb->srb_ref);
4056 srb->ha = ha;
4057 srb->ddb = ddb_entry;
4058 srb->cmd = cmd;
4059 srb->flags = 0;
4060 CMD_SP(cmd) = (void *)srb;
4061
4062 return srb;
4063}
4064
4065static void qla4xxx_srb_free_dma(struct scsi_qla_host *ha, struct srb *srb)
4066{
4067 struct scsi_cmnd *cmd = srb->cmd;
4068
4069 if (srb->flags & SRB_DMA_VALID) {
4070 scsi_dma_unmap(cmd);
4071 srb->flags &= ~SRB_DMA_VALID;
4072 }
4073 CMD_SP(cmd) = NULL;
4074}
4075
4076void qla4xxx_srb_compl(struct kref *ref)
4077{
4078 struct srb *srb = container_of(ref, struct srb, srb_ref);
4079 struct scsi_cmnd *cmd = srb->cmd;
4080 struct scsi_qla_host *ha = srb->ha;
4081
4082 qla4xxx_srb_free_dma(ha, srb);
4083
4084 mempool_free(srb, ha->srb_mempool);
4085
4086 cmd->scsi_done(cmd);
4087}
4088
4089
4090
4091
4092
4093
4094
4095
4096
4097
4098
4099
4100
4101
4102static int qla4xxx_queuecommand(struct Scsi_Host *host, struct scsi_cmnd *cmd)
4103{
4104 struct scsi_qla_host *ha = to_qla_host(host);
4105 struct ddb_entry *ddb_entry = cmd->device->hostdata;
4106 struct iscsi_cls_session *sess = ddb_entry->sess;
4107 struct srb *srb;
4108 int rval;
4109
4110 if (test_bit(AF_EEH_BUSY, &ha->flags)) {
4111 if (test_bit(AF_PCI_CHANNEL_IO_PERM_FAILURE, &ha->flags))
4112 cmd->result = DID_NO_CONNECT << 16;
4113 else
4114 cmd->result = DID_REQUEUE << 16;
4115 goto qc_fail_command;
4116 }
4117
4118 if (!sess) {
4119 cmd->result = DID_IMM_RETRY << 16;
4120 goto qc_fail_command;
4121 }
4122
4123 rval = iscsi_session_chkready(sess);
4124 if (rval) {
4125 cmd->result = rval;
4126 goto qc_fail_command;
4127 }
4128
4129 if (test_bit(DPC_RESET_HA_INTR, &ha->dpc_flags) ||
4130 test_bit(DPC_RESET_ACTIVE, &ha->dpc_flags) ||
4131 test_bit(DPC_RESET_HA, &ha->dpc_flags) ||
4132 test_bit(DPC_HA_UNRECOVERABLE, &ha->dpc_flags) ||
4133 test_bit(DPC_HA_NEED_QUIESCENT, &ha->dpc_flags) ||
4134 !test_bit(AF_ONLINE, &ha->flags) ||
4135 !test_bit(AF_LINK_UP, &ha->flags) ||
4136 test_bit(AF_LOOPBACK, &ha->flags) ||
4137 test_bit(DPC_POST_IDC_ACK, &ha->dpc_flags) ||
4138 test_bit(DPC_RESTORE_ACB, &ha->dpc_flags) ||
4139 test_bit(DPC_RESET_HA_FW_CONTEXT, &ha->dpc_flags))
4140 goto qc_host_busy;
4141
4142 srb = qla4xxx_get_new_srb(ha, ddb_entry, cmd);
4143 if (!srb)
4144 goto qc_host_busy;
4145
4146 rval = qla4xxx_send_command_to_isp(ha, srb);
4147 if (rval != QLA_SUCCESS)
4148 goto qc_host_busy_free_sp;
4149
4150 return 0;
4151
4152qc_host_busy_free_sp:
4153 qla4xxx_srb_free_dma(ha, srb);
4154 mempool_free(srb, ha->srb_mempool);
4155
4156qc_host_busy:
4157 return SCSI_MLQUEUE_HOST_BUSY;
4158
4159qc_fail_command:
4160 cmd->scsi_done(cmd);
4161
4162 return 0;
4163}
4164
4165
4166
4167
4168
4169
4170
4171static void qla4xxx_mem_free(struct scsi_qla_host *ha)
4172{
4173 if (ha->queues)
4174 dma_free_coherent(&ha->pdev->dev, ha->queues_len, ha->queues,
4175 ha->queues_dma);
4176
4177 if (ha->fw_dump)
4178 vfree(ha->fw_dump);
4179
4180 ha->queues_len = 0;
4181 ha->queues = NULL;
4182 ha->queues_dma = 0;
4183 ha->request_ring = NULL;
4184 ha->request_dma = 0;
4185 ha->response_ring = NULL;
4186 ha->response_dma = 0;
4187 ha->shadow_regs = NULL;
4188 ha->shadow_regs_dma = 0;
4189 ha->fw_dump = NULL;
4190 ha->fw_dump_size = 0;
4191
4192
4193 mempool_destroy(ha->srb_mempool);
4194 ha->srb_mempool = NULL;
4195
4196 dma_pool_destroy(ha->chap_dma_pool);
4197
4198 if (ha->chap_list)
4199 vfree(ha->chap_list);
4200 ha->chap_list = NULL;
4201
4202 dma_pool_destroy(ha->fw_ddb_dma_pool);
4203
4204
4205 if (is_qla8022(ha)) {
4206 if (ha->nx_pcibase)
4207 iounmap(
4208 (struct device_reg_82xx __iomem *)ha->nx_pcibase);
4209 } else if (is_qla8032(ha) || is_qla8042(ha)) {
4210 if (ha->nx_pcibase)
4211 iounmap(
4212 (struct device_reg_83xx __iomem *)ha->nx_pcibase);
4213 } else if (ha->reg) {
4214 iounmap(ha->reg);
4215 }
4216
4217 if (ha->reset_tmplt.buff)
4218 vfree(ha->reset_tmplt.buff);
4219
4220 pci_release_regions(ha->pdev);
4221}
4222
4223
4224
4225
4226
4227
4228
4229
4230static int qla4xxx_mem_alloc(struct scsi_qla_host *ha)
4231{
4232 unsigned long align;
4233
4234
4235 ha->queues_len = ((REQUEST_QUEUE_DEPTH * QUEUE_SIZE) +
4236 (RESPONSE_QUEUE_DEPTH * QUEUE_SIZE) +
4237 sizeof(struct shadow_regs) +
4238 MEM_ALIGN_VALUE +
4239 (PAGE_SIZE - 1)) & ~(PAGE_SIZE - 1);
4240 ha->queues = dma_alloc_coherent(&ha->pdev->dev, ha->queues_len,
4241 &ha->queues_dma, GFP_KERNEL);
4242 if (ha->queues == NULL) {
4243 ql4_printk(KERN_WARNING, ha,
4244 "Memory Allocation failed - queues.\n");
4245
4246 goto mem_alloc_error_exit;
4247 }
4248
4249
4250
4251
4252
4253 align = 0;
4254 if ((unsigned long)ha->queues_dma & (MEM_ALIGN_VALUE - 1))
4255 align = MEM_ALIGN_VALUE - ((unsigned long)ha->queues_dma &
4256 (MEM_ALIGN_VALUE - 1));
4257
4258
4259 ha->request_dma = ha->queues_dma + align;
4260 ha->request_ring = (struct queue_entry *) (ha->queues + align);
4261 ha->response_dma = ha->queues_dma + align +
4262 (REQUEST_QUEUE_DEPTH * QUEUE_SIZE);
4263 ha->response_ring = (struct queue_entry *) (ha->queues + align +
4264 (REQUEST_QUEUE_DEPTH *
4265 QUEUE_SIZE));
4266 ha->shadow_regs_dma = ha->queues_dma + align +
4267 (REQUEST_QUEUE_DEPTH * QUEUE_SIZE) +
4268 (RESPONSE_QUEUE_DEPTH * QUEUE_SIZE);
4269 ha->shadow_regs = (struct shadow_regs *) (ha->queues + align +
4270 (REQUEST_QUEUE_DEPTH *
4271 QUEUE_SIZE) +
4272 (RESPONSE_QUEUE_DEPTH *
4273 QUEUE_SIZE));
4274
4275
4276 ha->srb_mempool = mempool_create(SRB_MIN_REQ, mempool_alloc_slab,
4277 mempool_free_slab, srb_cachep);
4278 if (ha->srb_mempool == NULL) {
4279 ql4_printk(KERN_WARNING, ha,
4280 "Memory Allocation failed - SRB Pool.\n");
4281
4282 goto mem_alloc_error_exit;
4283 }
4284
4285 ha->chap_dma_pool = dma_pool_create("ql4_chap", &ha->pdev->dev,
4286 CHAP_DMA_BLOCK_SIZE, 8, 0);
4287
4288 if (ha->chap_dma_pool == NULL) {
4289 ql4_printk(KERN_WARNING, ha,
4290 "%s: chap_dma_pool allocation failed..\n", __func__);
4291 goto mem_alloc_error_exit;
4292 }
4293
4294 ha->fw_ddb_dma_pool = dma_pool_create("ql4_fw_ddb", &ha->pdev->dev,
4295 DDB_DMA_BLOCK_SIZE, 8, 0);
4296
4297 if (ha->fw_ddb_dma_pool == NULL) {
4298 ql4_printk(KERN_WARNING, ha,
4299 "%s: fw_ddb_dma_pool allocation failed..\n",
4300 __func__);
4301 goto mem_alloc_error_exit;
4302 }
4303
4304 return QLA_SUCCESS;
4305
4306mem_alloc_error_exit:
4307 return QLA_ERROR;
4308}
4309
4310
4311
4312
4313
4314
4315
4316static int qla4_8xxx_check_temp(struct scsi_qla_host *ha)
4317{
4318 uint32_t temp, temp_state, temp_val;
4319 int status = QLA_SUCCESS;
4320
4321 temp = qla4_8xxx_rd_direct(ha, QLA8XXX_CRB_TEMP_STATE);
4322
4323 temp_state = qla82xx_get_temp_state(temp);
4324 temp_val = qla82xx_get_temp_val(temp);
4325
4326 if (temp_state == QLA82XX_TEMP_PANIC) {
4327 ql4_printk(KERN_WARNING, ha, "Device temperature %d degrees C"
4328 " exceeds maximum allowed. Hardware has been shut"
4329 " down.\n", temp_val);
4330 status = QLA_ERROR;
4331 } else if (temp_state == QLA82XX_TEMP_WARN) {
4332 if (ha->temperature == QLA82XX_TEMP_NORMAL)
4333 ql4_printk(KERN_WARNING, ha, "Device temperature %d"
4334 " degrees C exceeds operating range."
4335 " Immediate action needed.\n", temp_val);
4336 } else {
4337 if (ha->temperature == QLA82XX_TEMP_WARN)
4338 ql4_printk(KERN_INFO, ha, "Device temperature is"
4339 " now %d degrees C in normal range.\n",
4340 temp_val);
4341 }
4342 ha->temperature = temp_state;
4343 return status;
4344}
4345
4346
4347
4348
4349
4350
4351
4352static int qla4_8xxx_check_fw_alive(struct scsi_qla_host *ha)
4353{
4354 uint32_t fw_heartbeat_counter;
4355 int status = QLA_SUCCESS;
4356
4357 fw_heartbeat_counter = qla4_8xxx_rd_direct(ha,
4358 QLA8XXX_PEG_ALIVE_COUNTER);
4359
4360 if (fw_heartbeat_counter == 0xffffffff) {
4361 DEBUG2(printk(KERN_WARNING "scsi%ld: %s: Device in frozen "
4362 "state, QLA82XX_PEG_ALIVE_COUNTER is 0xffffffff\n",
4363 ha->host_no, __func__));
4364 return status;
4365 }
4366
4367 if (ha->fw_heartbeat_counter == fw_heartbeat_counter) {
4368 ha->seconds_since_last_heartbeat++;
4369
4370 if (ha->seconds_since_last_heartbeat == 2) {
4371 ha->seconds_since_last_heartbeat = 0;
4372 qla4_8xxx_dump_peg_reg(ha);
4373 status = QLA_ERROR;
4374 }
4375 } else
4376 ha->seconds_since_last_heartbeat = 0;
4377
4378 ha->fw_heartbeat_counter = fw_heartbeat_counter;
4379 return status;
4380}
4381
4382static void qla4_8xxx_process_fw_error(struct scsi_qla_host *ha)
4383{
4384 uint32_t halt_status;
4385 int halt_status_unrecoverable = 0;
4386
4387 halt_status = qla4_8xxx_rd_direct(ha, QLA8XXX_PEG_HALT_STATUS1);
4388
4389 if (is_qla8022(ha)) {
4390 ql4_printk(KERN_INFO, ha, "%s: disabling pause transmit on port 0 & 1.\n",
4391 __func__);
4392 qla4_82xx_wr_32(ha, QLA82XX_CRB_NIU + 0x98,
4393 CRB_NIU_XG_PAUSE_CTL_P0 |
4394 CRB_NIU_XG_PAUSE_CTL_P1);
4395
4396 if (QLA82XX_FWERROR_CODE(halt_status) == 0x67)
4397 ql4_printk(KERN_ERR, ha, "%s: Firmware aborted with error code 0x00006700. Device is being reset\n",
4398 __func__);
4399 if (halt_status & HALT_STATUS_UNRECOVERABLE)
4400 halt_status_unrecoverable = 1;
4401 } else if (is_qla8032(ha) || is_qla8042(ha)) {
4402 if (halt_status & QLA83XX_HALT_STATUS_FW_RESET)
4403 ql4_printk(KERN_ERR, ha, "%s: Firmware error detected device is being reset\n",
4404 __func__);
4405 else if (halt_status & QLA83XX_HALT_STATUS_UNRECOVERABLE)
4406 halt_status_unrecoverable = 1;
4407 }
4408
4409
4410
4411
4412
4413 if (halt_status_unrecoverable) {
4414 set_bit(DPC_HA_UNRECOVERABLE, &ha->dpc_flags);
4415 } else {
4416 ql4_printk(KERN_INFO, ha, "%s: detect abort needed!\n",
4417 __func__);
4418 set_bit(DPC_RESET_HA, &ha->dpc_flags);
4419 }
4420 qla4xxx_mailbox_premature_completion(ha);
4421 qla4xxx_wake_dpc(ha);
4422}
4423
4424
4425
4426
4427
4428
4429
4430void qla4_8xxx_watchdog(struct scsi_qla_host *ha)
4431{
4432 uint32_t dev_state;
4433 uint32_t idc_ctrl;
4434
4435 if (is_qla8032(ha) &&
4436 (qla4_83xx_is_detached(ha) == QLA_SUCCESS))
4437 WARN_ONCE(1, "%s: iSCSI function %d marked invisible\n",
4438 __func__, ha->func_num);
4439
4440
4441 if (!(test_bit(DPC_RESET_ACTIVE, &ha->dpc_flags) ||
4442 test_bit(DPC_RESET_HA, &ha->dpc_flags) ||
4443 test_bit(DPC_RETRY_RESET_HA, &ha->dpc_flags))) {
4444 dev_state = qla4_8xxx_rd_direct(ha, QLA8XXX_CRB_DEV_STATE);
4445
4446 if (qla4_8xxx_check_temp(ha)) {
4447 if (is_qla8022(ha)) {
4448 ql4_printk(KERN_INFO, ha, "disabling pause transmit on port 0 & 1.\n");
4449 qla4_82xx_wr_32(ha, QLA82XX_CRB_NIU + 0x98,
4450 CRB_NIU_XG_PAUSE_CTL_P0 |
4451 CRB_NIU_XG_PAUSE_CTL_P1);
4452 }
4453 set_bit(DPC_HA_UNRECOVERABLE, &ha->dpc_flags);
4454 qla4xxx_wake_dpc(ha);
4455 } else if (dev_state == QLA8XXX_DEV_NEED_RESET &&
4456 !test_bit(DPC_RESET_HA, &ha->dpc_flags)) {
4457
4458 ql4_printk(KERN_INFO, ha, "%s: HW State: NEED RESET!\n",
4459 __func__);
4460
4461 if (is_qla8032(ha) || is_qla8042(ha)) {
4462 idc_ctrl = qla4_83xx_rd_reg(ha,
4463 QLA83XX_IDC_DRV_CTRL);
4464 if (!(idc_ctrl & GRACEFUL_RESET_BIT1)) {
4465 ql4_printk(KERN_INFO, ha, "%s: Graceful reset bit is not set\n",
4466 __func__);
4467 qla4xxx_mailbox_premature_completion(
4468 ha);
4469 }
4470 }
4471
4472 if ((is_qla8032(ha) || is_qla8042(ha)) ||
4473 (is_qla8022(ha) && !ql4xdontresethba)) {
4474 set_bit(DPC_RESET_HA, &ha->dpc_flags);
4475 qla4xxx_wake_dpc(ha);
4476 }
4477 } else if (dev_state == QLA8XXX_DEV_NEED_QUIESCENT &&
4478 !test_bit(DPC_HA_NEED_QUIESCENT, &ha->dpc_flags)) {
4479 ql4_printk(KERN_INFO, ha, "%s: HW State: NEED QUIES!\n",
4480 __func__);
4481 set_bit(DPC_HA_NEED_QUIESCENT, &ha->dpc_flags);
4482 qla4xxx_wake_dpc(ha);
4483 } else {
4484
4485 if (qla4_8xxx_check_fw_alive(ha))
4486 qla4_8xxx_process_fw_error(ha);
4487 }
4488 }
4489}
4490
4491static void qla4xxx_check_relogin_flash_ddb(struct iscsi_cls_session *cls_sess)
4492{
4493 struct iscsi_session *sess;
4494 struct ddb_entry *ddb_entry;
4495 struct scsi_qla_host *ha;
4496
4497 sess = cls_sess->dd_data;
4498 ddb_entry = sess->dd_data;
4499 ha = ddb_entry->ha;
4500
4501 if (!(ddb_entry->ddb_type == FLASH_DDB))
4502 return;
4503
4504 if (adapter_up(ha) && !test_bit(DF_RELOGIN, &ddb_entry->flags) &&
4505 !iscsi_is_session_online(cls_sess)) {
4506 if (atomic_read(&ddb_entry->retry_relogin_timer) !=
4507 INVALID_ENTRY) {
4508 if (atomic_read(&ddb_entry->retry_relogin_timer) ==
4509 0) {
4510 atomic_set(&ddb_entry->retry_relogin_timer,
4511 INVALID_ENTRY);
4512 set_bit(DPC_RELOGIN_DEVICE, &ha->dpc_flags);
4513 set_bit(DF_RELOGIN, &ddb_entry->flags);
4514 DEBUG2(ql4_printk(KERN_INFO, ha,
4515 "%s: index [%d] login device\n",
4516 __func__, ddb_entry->fw_ddb_index));
4517 } else
4518 atomic_dec(&ddb_entry->retry_relogin_timer);
4519 }
4520 }
4521
4522
4523 if (atomic_read(&ddb_entry->relogin_timer) &&
4524 (atomic_dec_and_test(&ddb_entry->relogin_timer) != 0)) {
4525
4526
4527
4528
4529 if (!iscsi_is_session_online(cls_sess)) {
4530
4531 atomic_inc(&ddb_entry->relogin_retry_count);
4532 DEBUG2(ql4_printk(KERN_INFO, ha,
4533 "%s: index[%d] relogin timed out-retrying"
4534 " relogin (%d), retry (%d)\n", __func__,
4535 ddb_entry->fw_ddb_index,
4536 atomic_read(&ddb_entry->relogin_retry_count),
4537 ddb_entry->default_time2wait + 4));
4538 set_bit(DPC_RELOGIN_DEVICE, &ha->dpc_flags);
4539 atomic_set(&ddb_entry->retry_relogin_timer,
4540 ddb_entry->default_time2wait + 4);
4541 }
4542 }
4543}
4544
4545
4546
4547
4548
4549static void qla4xxx_timer(struct timer_list *t)
4550{
4551 struct scsi_qla_host *ha = from_timer(ha, t, timer);
4552 int start_dpc = 0;
4553 uint16_t w;
4554
4555 iscsi_host_for_each_session(ha->host, qla4xxx_check_relogin_flash_ddb);
4556
4557
4558
4559
4560 if (test_bit(AF_EEH_BUSY, &ha->flags)) {
4561 mod_timer(&ha->timer, jiffies + HZ);
4562 return;
4563 }
4564
4565
4566 if (!pci_channel_offline(ha->pdev))
4567 pci_read_config_word(ha->pdev, PCI_VENDOR_ID, &w);
4568
4569 if (is_qla80XX(ha))
4570 qla4_8xxx_watchdog(ha);
4571
4572 if (is_qla40XX(ha)) {
4573
4574 if (ha->firmware_options & FWOPT_HEARTBEAT_ENABLE &&
4575 ha->heartbeat_interval != 0) {
4576 ha->seconds_since_last_heartbeat++;
4577 if (ha->seconds_since_last_heartbeat >
4578 ha->heartbeat_interval + 2)
4579 set_bit(DPC_RESET_HA, &ha->dpc_flags);
4580 }
4581 }
4582
4583
4584 if (!list_empty(&ha->work_list))
4585 start_dpc++;
4586
4587
4588 if (start_dpc ||
4589 test_bit(DPC_RESET_HA, &ha->dpc_flags) ||
4590 test_bit(DPC_RETRY_RESET_HA, &ha->dpc_flags) ||
4591 test_bit(DPC_RELOGIN_DEVICE, &ha->dpc_flags) ||
4592 test_bit(DPC_RESET_HA_FW_CONTEXT, &ha->dpc_flags) ||
4593 test_bit(DPC_RESET_HA_INTR, &ha->dpc_flags) ||
4594 test_bit(DPC_GET_DHCP_IP_ADDR, &ha->dpc_flags) ||
4595 test_bit(DPC_LINK_CHANGED, &ha->dpc_flags) ||
4596 test_bit(DPC_HA_UNRECOVERABLE, &ha->dpc_flags) ||
4597 test_bit(DPC_HA_NEED_QUIESCENT, &ha->dpc_flags) ||
4598 test_bit(DPC_SYSFS_DDB_EXPORT, &ha->dpc_flags) ||
4599 test_bit(DPC_AEN, &ha->dpc_flags)) {
4600 DEBUG2(printk("scsi%ld: %s: scheduling dpc routine"
4601 " - dpc flags = 0x%lx\n",
4602 ha->host_no, __func__, ha->dpc_flags));
4603 qla4xxx_wake_dpc(ha);
4604 }
4605
4606
4607 mod_timer(&ha->timer, jiffies + HZ);
4608
4609 DEBUG2(ha->seconds_since_last_intr++);
4610}
4611
4612
4613
4614
4615
4616
4617
4618
4619static int qla4xxx_cmd_wait(struct scsi_qla_host *ha)
4620{
4621 uint32_t index = 0;
4622 unsigned long flags;
4623 struct scsi_cmnd *cmd;
4624 unsigned long wtime;
4625 uint32_t wtmo;
4626
4627 if (is_qla40XX(ha))
4628 wtmo = WAIT_CMD_TOV;
4629 else
4630 wtmo = ha->nx_reset_timeout / 2;
4631
4632 wtime = jiffies + (wtmo * HZ);
4633
4634 DEBUG2(ql4_printk(KERN_INFO, ha,
4635 "Wait up to %u seconds for cmds to complete\n",
4636 wtmo));
4637
4638 while (!time_after_eq(jiffies, wtime)) {
4639 spin_lock_irqsave(&ha->hardware_lock, flags);
4640
4641 for (index = 0; index < ha->host->can_queue; index++) {
4642 cmd = scsi_host_find_tag(ha->host, index);
4643
4644
4645
4646
4647
4648
4649 if (cmd != NULL && CMD_SP(cmd))
4650 break;
4651 }
4652 spin_unlock_irqrestore(&ha->hardware_lock, flags);
4653
4654
4655 if (index == ha->host->can_queue)
4656 return QLA_SUCCESS;
4657
4658 msleep(1000);
4659 }
4660
4661
4662 return QLA_ERROR;
4663}
4664
4665int qla4xxx_hw_reset(struct scsi_qla_host *ha)
4666{
4667 uint32_t ctrl_status;
4668 unsigned long flags = 0;
4669
4670 DEBUG2(printk(KERN_ERR "scsi%ld: %s\n", ha->host_no, __func__));
4671
4672 if (ql4xxx_lock_drvr_wait(ha) != QLA_SUCCESS)
4673 return QLA_ERROR;
4674
4675 spin_lock_irqsave(&ha->hardware_lock, flags);
4676
4677
4678
4679
4680
4681 ctrl_status = readw(&ha->reg->ctrl_status);
4682 if ((ctrl_status & CSR_SCSI_RESET_INTR) != 0)
4683 writel(set_rmask(CSR_SCSI_RESET_INTR), &ha->reg->ctrl_status);
4684
4685
4686 writel(set_rmask(CSR_SOFT_RESET), &ha->reg->ctrl_status);
4687 readl(&ha->reg->ctrl_status);
4688
4689 spin_unlock_irqrestore(&ha->hardware_lock, flags);
4690 return QLA_SUCCESS;
4691}
4692
4693
4694
4695
4696
4697int qla4xxx_soft_reset(struct scsi_qla_host *ha)
4698{
4699 uint32_t max_wait_time;
4700 unsigned long flags = 0;
4701 int status;
4702 uint32_t ctrl_status;
4703
4704 status = qla4xxx_hw_reset(ha);
4705 if (status != QLA_SUCCESS)
4706 return status;
4707
4708 status = QLA_ERROR;
4709
4710 max_wait_time = RESET_INTR_TOV;
4711 do {
4712 spin_lock_irqsave(&ha->hardware_lock, flags);
4713 ctrl_status = readw(&ha->reg->ctrl_status);
4714 spin_unlock_irqrestore(&ha->hardware_lock, flags);
4715
4716 if ((ctrl_status & CSR_NET_RESET_INTR) == 0)
4717 break;
4718
4719 msleep(1000);
4720 } while ((--max_wait_time));
4721
4722 if ((ctrl_status & CSR_NET_RESET_INTR) != 0) {
4723 DEBUG2(printk(KERN_WARNING
4724 "scsi%ld: Network Reset Intr not cleared by "
4725 "Network function, clearing it now!\n",
4726 ha->host_no));
4727 spin_lock_irqsave(&ha->hardware_lock, flags);
4728 writel(set_rmask(CSR_NET_RESET_INTR), &ha->reg->ctrl_status);
4729 readl(&ha->reg->ctrl_status);
4730 spin_unlock_irqrestore(&ha->hardware_lock, flags);
4731 }
4732
4733
4734 max_wait_time = SOFT_RESET_TOV;
4735 do {
4736 spin_lock_irqsave(&ha->hardware_lock, flags);
4737 ctrl_status = readw(&ha->reg->ctrl_status);
4738 spin_unlock_irqrestore(&ha->hardware_lock, flags);
4739
4740 if ((ctrl_status & CSR_SOFT_RESET) == 0) {
4741 status = QLA_SUCCESS;
4742 break;
4743 }
4744
4745 msleep(1000);
4746 } while ((--max_wait_time));
4747
4748
4749
4750
4751
4752 spin_lock_irqsave(&ha->hardware_lock, flags);
4753 ctrl_status = readw(&ha->reg->ctrl_status);
4754 if ((ctrl_status & CSR_SCSI_RESET_INTR) != 0) {
4755 writel(set_rmask(CSR_SCSI_RESET_INTR), &ha->reg->ctrl_status);
4756 readl(&ha->reg->ctrl_status);
4757 }
4758 spin_unlock_irqrestore(&ha->hardware_lock, flags);
4759
4760
4761
4762
4763
4764
4765
4766 if (max_wait_time == 0) {
4767
4768 spin_lock_irqsave(&ha->hardware_lock, flags);
4769 writel(set_rmask(CSR_FORCE_SOFT_RESET), &ha->reg->ctrl_status);
4770 readl(&ha->reg->ctrl_status);
4771 spin_unlock_irqrestore(&ha->hardware_lock, flags);
4772
4773 max_wait_time = SOFT_RESET_TOV;
4774 do {
4775 spin_lock_irqsave(&ha->hardware_lock, flags);
4776 ctrl_status = readw(&ha->reg->ctrl_status);
4777 spin_unlock_irqrestore(&ha->hardware_lock, flags);
4778
4779 if ((ctrl_status & CSR_FORCE_SOFT_RESET) == 0) {
4780 status = QLA_SUCCESS;
4781 break;
4782 }
4783
4784 msleep(1000);
4785 } while ((--max_wait_time));
4786 }
4787
4788 return status;
4789}
4790
4791
4792
4793
4794
4795
4796
4797
4798
4799
4800
4801static void qla4xxx_abort_active_cmds(struct scsi_qla_host *ha, int res)
4802{
4803 struct srb *srb;
4804 int i;
4805 unsigned long flags;
4806
4807 spin_lock_irqsave(&ha->hardware_lock, flags);
4808 for (i = 0; i < ha->host->can_queue; i++) {
4809 srb = qla4xxx_del_from_active_array(ha, i);
4810 if (srb != NULL) {
4811 srb->cmd->result = res;
4812 kref_put(&srb->srb_ref, qla4xxx_srb_compl);
4813 }
4814 }
4815 spin_unlock_irqrestore(&ha->hardware_lock, flags);
4816}
4817
4818void qla4xxx_dead_adapter_cleanup(struct scsi_qla_host *ha)
4819{
4820 clear_bit(AF_ONLINE, &ha->flags);
4821
4822
4823 ql4_printk(KERN_INFO, ha, "Disabling the board\n");
4824
4825 qla4xxx_abort_active_cmds(ha, DID_NO_CONNECT << 16);
4826 qla4xxx_mark_all_devices_missing(ha);
4827 clear_bit(AF_INIT_DONE, &ha->flags);
4828}
4829
4830static void qla4xxx_fail_session(struct iscsi_cls_session *cls_session)
4831{
4832 struct iscsi_session *sess;
4833 struct ddb_entry *ddb_entry;
4834
4835 sess = cls_session->dd_data;
4836 ddb_entry = sess->dd_data;
4837 ddb_entry->fw_ddb_device_state = DDB_DS_SESSION_FAILED;
4838
4839 if (ddb_entry->ddb_type == FLASH_DDB)
4840 iscsi_block_session(ddb_entry->sess);
4841 else
4842 iscsi_session_failure(cls_session->dd_data,
4843 ISCSI_ERR_CONN_FAILED);
4844}
4845
4846
4847
4848
4849
4850static int qla4xxx_recover_adapter(struct scsi_qla_host *ha)
4851{
4852 int status = QLA_ERROR;
4853 uint8_t reset_chip = 0;
4854 uint32_t dev_state;
4855 unsigned long wait;
4856
4857
4858 scsi_block_requests(ha->host);
4859 clear_bit(AF_ONLINE, &ha->flags);
4860 clear_bit(AF_LINK_UP, &ha->flags);
4861
4862 DEBUG2(ql4_printk(KERN_INFO, ha, "%s: adapter OFFLINE\n", __func__));
4863
4864 set_bit(DPC_RESET_ACTIVE, &ha->dpc_flags);
4865
4866 if ((is_qla8032(ha) || is_qla8042(ha)) &&
4867 !test_bit(DPC_RESET_HA_FW_CONTEXT, &ha->dpc_flags)) {
4868 ql4_printk(KERN_INFO, ha, "%s: disabling pause transmit on port 0 & 1.\n",
4869 __func__);
4870
4871 qla4_83xx_disable_pause(ha);
4872 }
4873
4874 iscsi_host_for_each_session(ha->host, qla4xxx_fail_session);
4875
4876 if (test_bit(DPC_RESET_HA, &ha->dpc_flags))
4877 reset_chip = 1;
4878
4879
4880
4881 if (test_bit(DPC_RESET_HA_INTR, &ha->dpc_flags)) {
4882 status = QLA_SUCCESS;
4883 goto recover_ha_init_adapter;
4884 }
4885
4886
4887
4888 if (is_qla80XX(ha) && !reset_chip &&
4889 test_bit(DPC_RESET_HA_FW_CONTEXT, &ha->dpc_flags)) {
4890
4891 DEBUG2(ql4_printk(KERN_INFO, ha,
4892 "scsi%ld: %s - Performing stop_firmware...\n",
4893 ha->host_no, __func__));
4894 status = ha->isp_ops->reset_firmware(ha);
4895 if (status == QLA_SUCCESS) {
4896 ha->isp_ops->disable_intrs(ha);
4897 qla4xxx_process_aen(ha, FLUSH_DDB_CHANGED_AENS);
4898 qla4xxx_abort_active_cmds(ha, DID_RESET << 16);
4899 } else {
4900
4901
4902 reset_chip = 1;
4903 clear_bit(DPC_RESET_HA_FW_CONTEXT, &ha->dpc_flags);
4904 set_bit(DPC_RESET_HA, &ha->dpc_flags);
4905 }
4906 }
4907
4908
4909
4910
4911 if (is_qla40XX(ha) || reset_chip) {
4912 if (is_qla40XX(ha))
4913 goto chip_reset;
4914
4915
4916
4917
4918 if (test_bit(AF_FW_RECOVERY, &ha->flags))
4919 goto chip_reset;
4920
4921 wait = jiffies + (FW_ALIVE_WAIT_TOV * HZ);
4922 while (time_before(jiffies, wait)) {
4923 if (qla4_8xxx_check_fw_alive(ha)) {
4924 qla4xxx_mailbox_premature_completion(ha);
4925 break;
4926 }
4927
4928 set_current_state(TASK_UNINTERRUPTIBLE);
4929 schedule_timeout(HZ);
4930 }
4931chip_reset:
4932 if (!test_bit(AF_FW_RECOVERY, &ha->flags))
4933 qla4xxx_cmd_wait(ha);
4934
4935 qla4xxx_process_aen(ha, FLUSH_DDB_CHANGED_AENS);
4936 DEBUG2(ql4_printk(KERN_INFO, ha,
4937 "scsi%ld: %s - Performing chip reset..\n",
4938 ha->host_no, __func__));
4939 status = ha->isp_ops->reset_chip(ha);
4940 qla4xxx_abort_active_cmds(ha, DID_RESET << 16);
4941 }
4942
4943
4944 qla4xxx_process_aen(ha, FLUSH_DDB_CHANGED_AENS);
4945
4946recover_ha_init_adapter:
4947
4948 if (status == QLA_SUCCESS) {
4949
4950
4951
4952 if (is_qla40XX(ha) && (ha->mac_index == 3))
4953 ssleep(6);
4954
4955
4956
4957 status = qla4xxx_initialize_adapter(ha, RESET_ADAPTER);
4958 if (is_qla80XX(ha) && (status == QLA_ERROR)) {
4959 status = qla4_8xxx_check_init_adapter_retry(ha);
4960 if (status == QLA_ERROR) {
4961 ql4_printk(KERN_INFO, ha, "scsi%ld: %s: Don't retry recover adapter\n",
4962 ha->host_no, __func__);
4963 qla4xxx_dead_adapter_cleanup(ha);
4964 clear_bit(DPC_RETRY_RESET_HA, &ha->dpc_flags);
4965 clear_bit(DPC_RESET_HA, &ha->dpc_flags);
4966 clear_bit(DPC_RESET_HA_FW_CONTEXT,
4967 &ha->dpc_flags);
4968 goto exit_recover;
4969 }
4970 }
4971 }
4972
4973
4974
4975
4976 if (!test_bit(AF_ONLINE, &ha->flags) &&
4977 !test_bit(DPC_RESET_HA_INTR, &ha->dpc_flags)) {
4978
4979
4980
4981
4982
4983 if (is_qla80XX(ha)) {
4984 ha->isp_ops->idc_lock(ha);
4985 dev_state = qla4_8xxx_rd_direct(ha,
4986 QLA8XXX_CRB_DEV_STATE);
4987 ha->isp_ops->idc_unlock(ha);
4988 if (dev_state == QLA8XXX_DEV_FAILED) {
4989 ql4_printk(KERN_INFO, ha, "%s: don't retry "
4990 "recover adapter. H/W is in Failed "
4991 "state\n", __func__);
4992 qla4xxx_dead_adapter_cleanup(ha);
4993 clear_bit(DPC_RETRY_RESET_HA, &ha->dpc_flags);
4994 clear_bit(DPC_RESET_HA, &ha->dpc_flags);
4995 clear_bit(DPC_RESET_HA_FW_CONTEXT,
4996 &ha->dpc_flags);
4997 status = QLA_ERROR;
4998
4999 goto exit_recover;
5000 }
5001 }
5002
5003 if (!test_bit(DPC_RETRY_RESET_HA, &ha->dpc_flags)) {
5004 ha->retry_reset_ha_cnt = MAX_RESET_HA_RETRIES;
5005 DEBUG2(printk("scsi%ld: recover adapter - retrying "
5006 "(%d) more times\n", ha->host_no,
5007 ha->retry_reset_ha_cnt));
5008 set_bit(DPC_RETRY_RESET_HA, &ha->dpc_flags);
5009 status = QLA_ERROR;
5010 } else {
5011 if (ha->retry_reset_ha_cnt > 0) {
5012
5013 ha->retry_reset_ha_cnt--;
5014 DEBUG2(printk("scsi%ld: recover adapter - "
5015 "retry remaining %d\n",
5016 ha->host_no,
5017 ha->retry_reset_ha_cnt));
5018 status = QLA_ERROR;
5019 }
5020
5021 if (ha->retry_reset_ha_cnt == 0) {
5022
5023
5024 DEBUG2(printk("scsi%ld: recover adapter "
5025 "failed - board disabled\n",
5026 ha->host_no));
5027 qla4xxx_dead_adapter_cleanup(ha);
5028 clear_bit(DPC_RETRY_RESET_HA, &ha->dpc_flags);
5029 clear_bit(DPC_RESET_HA, &ha->dpc_flags);
5030 clear_bit(DPC_RESET_HA_FW_CONTEXT,
5031 &ha->dpc_flags);
5032 status = QLA_ERROR;
5033 }
5034 }
5035 } else {
5036 clear_bit(DPC_RESET_HA, &ha->dpc_flags);
5037 clear_bit(DPC_RESET_HA_FW_CONTEXT, &ha->dpc_flags);
5038 clear_bit(DPC_RETRY_RESET_HA, &ha->dpc_flags);
5039 }
5040
5041exit_recover:
5042 ha->adapter_error_count++;
5043
5044 if (test_bit(AF_ONLINE, &ha->flags))
5045 ha->isp_ops->enable_intrs(ha);
5046
5047 scsi_unblock_requests(ha->host);
5048
5049 clear_bit(DPC_RESET_ACTIVE, &ha->dpc_flags);
5050 DEBUG2(printk("scsi%ld: recover adapter: %s\n", ha->host_no,
5051 status == QLA_ERROR ? "FAILED" : "SUCCEEDED"));
5052
5053 return status;
5054}
5055
5056static void qla4xxx_relogin_devices(struct iscsi_cls_session *cls_session)
5057{
5058 struct iscsi_session *sess;
5059 struct ddb_entry *ddb_entry;
5060 struct scsi_qla_host *ha;
5061
5062 sess = cls_session->dd_data;
5063 ddb_entry = sess->dd_data;
5064 ha = ddb_entry->ha;
5065 if (!iscsi_is_session_online(cls_session)) {
5066 if (ddb_entry->fw_ddb_device_state == DDB_DS_SESSION_ACTIVE) {
5067 ql4_printk(KERN_INFO, ha, "scsi%ld: %s: ddb[%d]"
5068 " unblock session\n", ha->host_no, __func__,
5069 ddb_entry->fw_ddb_index);
5070 iscsi_unblock_session(ddb_entry->sess);
5071 } else {
5072
5073 if (ddb_entry->ddb_type == FLASH_DDB) {
5074 if (!(test_bit(DF_RELOGIN, &ddb_entry->flags) ||
5075 test_bit(DF_DISABLE_RELOGIN,
5076 &ddb_entry->flags)))
5077 qla4xxx_arm_relogin_timer(ddb_entry);
5078 } else
5079 iscsi_session_failure(cls_session->dd_data,
5080 ISCSI_ERR_CONN_FAILED);
5081 }
5082 }
5083}
5084
5085int qla4xxx_unblock_flash_ddb(struct iscsi_cls_session *cls_session)
5086{
5087 struct iscsi_session *sess;
5088 struct ddb_entry *ddb_entry;
5089 struct scsi_qla_host *ha;
5090
5091 sess = cls_session->dd_data;
5092 ddb_entry = sess->dd_data;
5093 ha = ddb_entry->ha;
5094 ql4_printk(KERN_INFO, ha, "scsi%ld: %s: ddb[%d]"
5095 " unblock session\n", ha->host_no, __func__,
5096 ddb_entry->fw_ddb_index);
5097
5098 iscsi_unblock_session(ddb_entry->sess);
5099
5100
5101 if (test_bit(AF_ONLINE, &ha->flags)) {
5102 ql4_printk(KERN_INFO, ha, "scsi%ld: %s: ddb[%d]"
5103 " start scan\n", ha->host_no, __func__,
5104 ddb_entry->fw_ddb_index);
5105 scsi_queue_work(ha->host, &ddb_entry->sess->scan_work);
5106 }
5107 return QLA_SUCCESS;
5108}
5109
5110int qla4xxx_unblock_ddb(struct iscsi_cls_session *cls_session)
5111{
5112 struct iscsi_session *sess;
5113 struct ddb_entry *ddb_entry;
5114 struct scsi_qla_host *ha;
5115 int status = QLA_SUCCESS;
5116
5117 sess = cls_session->dd_data;
5118 ddb_entry = sess->dd_data;
5119 ha = ddb_entry->ha;
5120 ql4_printk(KERN_INFO, ha, "scsi%ld: %s: ddb[%d]"
5121 " unblock user space session\n", ha->host_no, __func__,
5122 ddb_entry->fw_ddb_index);
5123
5124 if (!iscsi_is_session_online(cls_session)) {
5125 iscsi_conn_start(ddb_entry->conn);
5126 iscsi_conn_login_event(ddb_entry->conn,
5127 ISCSI_CONN_STATE_LOGGED_IN);
5128 } else {
5129 ql4_printk(KERN_INFO, ha,
5130 "scsi%ld: %s: ddb[%d] session [%d] already logged in\n",
5131 ha->host_no, __func__, ddb_entry->fw_ddb_index,
5132 cls_session->sid);
5133 status = QLA_ERROR;
5134 }
5135
5136 return status;
5137}
5138
5139static void qla4xxx_relogin_all_devices(struct scsi_qla_host *ha)
5140{
5141 iscsi_host_for_each_session(ha->host, qla4xxx_relogin_devices);
5142}
5143
5144static void qla4xxx_relogin_flash_ddb(struct iscsi_cls_session *cls_sess)
5145{
5146 uint16_t relogin_timer;
5147 struct iscsi_session *sess;
5148 struct ddb_entry *ddb_entry;
5149 struct scsi_qla_host *ha;
5150
5151 sess = cls_sess->dd_data;
5152 ddb_entry = sess->dd_data;
5153 ha = ddb_entry->ha;
5154
5155 relogin_timer = max(ddb_entry->default_relogin_timeout,
5156 (uint16_t)RELOGIN_TOV);
5157 atomic_set(&ddb_entry->relogin_timer, relogin_timer);
5158
5159 DEBUG2(ql4_printk(KERN_INFO, ha,
5160 "scsi%ld: Relogin index [%d]. TOV=%d\n", ha->host_no,
5161 ddb_entry->fw_ddb_index, relogin_timer));
5162
5163 qla4xxx_login_flash_ddb(cls_sess);
5164}
5165
5166static void qla4xxx_dpc_relogin(struct iscsi_cls_session *cls_sess)
5167{
5168 struct iscsi_session *sess;
5169 struct ddb_entry *ddb_entry;
5170 struct scsi_qla_host *ha;
5171
5172 sess = cls_sess->dd_data;
5173 ddb_entry = sess->dd_data;
5174 ha = ddb_entry->ha;
5175
5176 if (!(ddb_entry->ddb_type == FLASH_DDB))
5177 return;
5178
5179 if (test_bit(DF_DISABLE_RELOGIN, &ddb_entry->flags))
5180 return;
5181
5182 if (test_and_clear_bit(DF_RELOGIN, &ddb_entry->flags) &&
5183 !iscsi_is_session_online(cls_sess)) {
5184 DEBUG2(ql4_printk(KERN_INFO, ha,
5185 "relogin issued\n"));
5186 qla4xxx_relogin_flash_ddb(cls_sess);
5187 }
5188}
5189
5190void qla4xxx_wake_dpc(struct scsi_qla_host *ha)
5191{
5192 if (ha->dpc_thread)
5193 queue_work(ha->dpc_thread, &ha->dpc_work);
5194}
5195
5196static struct qla4_work_evt *
5197qla4xxx_alloc_work(struct scsi_qla_host *ha, uint32_t data_size,
5198 enum qla4_work_type type)
5199{
5200 struct qla4_work_evt *e;
5201 uint32_t size = sizeof(struct qla4_work_evt) + data_size;
5202
5203 e = kzalloc(size, GFP_ATOMIC);
5204 if (!e)
5205 return NULL;
5206
5207 INIT_LIST_HEAD(&e->list);
5208 e->type = type;
5209 return e;
5210}
5211
5212static void qla4xxx_post_work(struct scsi_qla_host *ha,
5213 struct qla4_work_evt *e)
5214{
5215 unsigned long flags;
5216
5217 spin_lock_irqsave(&ha->work_lock, flags);
5218 list_add_tail(&e->list, &ha->work_list);
5219 spin_unlock_irqrestore(&ha->work_lock, flags);
5220 qla4xxx_wake_dpc(ha);
5221}
5222
5223int qla4xxx_post_aen_work(struct scsi_qla_host *ha,
5224 enum iscsi_host_event_code aen_code,
5225 uint32_t data_size, uint8_t *data)
5226{
5227 struct qla4_work_evt *e;
5228
5229 e = qla4xxx_alloc_work(ha, data_size, QLA4_EVENT_AEN);
5230 if (!e)
5231 return QLA_ERROR;
5232
5233 e->u.aen.code = aen_code;
5234 e->u.aen.data_size = data_size;
5235 memcpy(e->u.aen.data, data, data_size);
5236
5237 qla4xxx_post_work(ha, e);
5238
5239 return QLA_SUCCESS;
5240}
5241
5242int qla4xxx_post_ping_evt_work(struct scsi_qla_host *ha,
5243 uint32_t status, uint32_t pid,
5244 uint32_t data_size, uint8_t *data)
5245{
5246 struct qla4_work_evt *e;
5247
5248 e = qla4xxx_alloc_work(ha, data_size, QLA4_EVENT_PING_STATUS);
5249 if (!e)
5250 return QLA_ERROR;
5251
5252 e->u.ping.status = status;
5253 e->u.ping.pid = pid;
5254 e->u.ping.data_size = data_size;
5255 memcpy(e->u.ping.data, data, data_size);
5256
5257 qla4xxx_post_work(ha, e);
5258
5259 return QLA_SUCCESS;
5260}
5261
5262static void qla4xxx_do_work(struct scsi_qla_host *ha)
5263{
5264 struct qla4_work_evt *e, *tmp;
5265 unsigned long flags;
5266 LIST_HEAD(work);
5267
5268 spin_lock_irqsave(&ha->work_lock, flags);
5269 list_splice_init(&ha->work_list, &work);
5270 spin_unlock_irqrestore(&ha->work_lock, flags);
5271
5272 list_for_each_entry_safe(e, tmp, &work, list) {
5273 list_del_init(&e->list);
5274
5275 switch (e->type) {
5276 case QLA4_EVENT_AEN:
5277 iscsi_post_host_event(ha->host_no,
5278 &qla4xxx_iscsi_transport,
5279 e->u.aen.code,
5280 e->u.aen.data_size,
5281 e->u.aen.data);
5282 break;
5283 case QLA4_EVENT_PING_STATUS:
5284 iscsi_ping_comp_event(ha->host_no,
5285 &qla4xxx_iscsi_transport,
5286 e->u.ping.status,
5287 e->u.ping.pid,
5288 e->u.ping.data_size,
5289 e->u.ping.data);
5290 break;
5291 default:
5292 ql4_printk(KERN_WARNING, ha, "event type: 0x%x not "
5293 "supported", e->type);
5294 }
5295 kfree(e);
5296 }
5297}
5298
5299
5300
5301
5302
5303
5304
5305
5306
5307
5308
5309
5310static void qla4xxx_do_dpc(struct work_struct *work)
5311{
5312 struct scsi_qla_host *ha =
5313 container_of(work, struct scsi_qla_host, dpc_work);
5314 int status = QLA_ERROR;
5315
5316 DEBUG2(ql4_printk(KERN_INFO, ha,
5317 "scsi%ld: %s: DPC handler waking up. flags = 0x%08lx, dpc_flags = 0x%08lx\n",
5318 ha->host_no, __func__, ha->flags, ha->dpc_flags));
5319
5320
5321 if (!test_bit(AF_INIT_DONE, &ha->flags))
5322 return;
5323
5324 if (test_bit(AF_EEH_BUSY, &ha->flags)) {
5325 DEBUG2(printk(KERN_INFO "scsi%ld: %s: flags = %lx\n",
5326 ha->host_no, __func__, ha->flags));
5327 return;
5328 }
5329
5330
5331 qla4xxx_do_work(ha);
5332
5333 if (is_qla80XX(ha)) {
5334 if (test_bit(DPC_HA_UNRECOVERABLE, &ha->dpc_flags)) {
5335 if (is_qla8032(ha) || is_qla8042(ha)) {
5336 ql4_printk(KERN_INFO, ha, "%s: disabling pause transmit on port 0 & 1.\n",
5337 __func__);
5338
5339 qla4_83xx_disable_pause(ha);
5340 }
5341
5342 ha->isp_ops->idc_lock(ha);
5343 qla4_8xxx_wr_direct(ha, QLA8XXX_CRB_DEV_STATE,
5344 QLA8XXX_DEV_FAILED);
5345 ha->isp_ops->idc_unlock(ha);
5346 ql4_printk(KERN_INFO, ha, "HW State: FAILED\n");
5347 qla4_8xxx_device_state_handler(ha);
5348 }
5349
5350 if (test_bit(DPC_POST_IDC_ACK, &ha->dpc_flags)) {
5351 if (is_qla8042(ha)) {
5352 if (ha->idc_info.info2 &
5353 ENABLE_INTERNAL_LOOPBACK) {
5354 ql4_printk(KERN_INFO, ha, "%s: Disabling ACB\n",
5355 __func__);
5356 status = qla4_84xx_config_acb(ha,
5357 ACB_CONFIG_DISABLE);
5358 if (status != QLA_SUCCESS) {
5359 ql4_printk(KERN_INFO, ha, "%s: ACB config failed\n",
5360 __func__);
5361 }
5362 }
5363 }
5364 qla4_83xx_post_idc_ack(ha);
5365 clear_bit(DPC_POST_IDC_ACK, &ha->dpc_flags);
5366 }
5367
5368 if (is_qla8042(ha) &&
5369 test_bit(DPC_RESTORE_ACB, &ha->dpc_flags)) {
5370 ql4_printk(KERN_INFO, ha, "%s: Restoring ACB\n",
5371 __func__);
5372 if (qla4_84xx_config_acb(ha, ACB_CONFIG_SET) !=
5373 QLA_SUCCESS) {
5374 ql4_printk(KERN_INFO, ha, "%s: ACB config failed ",
5375 __func__);
5376 }
5377 clear_bit(DPC_RESTORE_ACB, &ha->dpc_flags);
5378 }
5379
5380 if (test_and_clear_bit(DPC_HA_NEED_QUIESCENT, &ha->dpc_flags)) {
5381 qla4_8xxx_need_qsnt_handler(ha);
5382 }
5383 }
5384
5385 if (!test_bit(DPC_RESET_ACTIVE, &ha->dpc_flags) &&
5386 (test_bit(DPC_RESET_HA, &ha->dpc_flags) ||
5387 test_bit(DPC_RESET_HA_INTR, &ha->dpc_flags) ||
5388 test_bit(DPC_RESET_HA_FW_CONTEXT, &ha->dpc_flags))) {
5389 if ((is_qla8022(ha) && ql4xdontresethba) ||
5390 ((is_qla8032(ha) || is_qla8042(ha)) &&
5391 qla4_83xx_idc_dontreset(ha))) {
5392 DEBUG2(printk("scsi%ld: %s: Don't Reset HBA\n",
5393 ha->host_no, __func__));
5394 clear_bit(DPC_RESET_HA, &ha->dpc_flags);
5395 clear_bit(DPC_RESET_HA_INTR, &ha->dpc_flags);
5396 clear_bit(DPC_RESET_HA_FW_CONTEXT, &ha->dpc_flags);
5397 goto dpc_post_reset_ha;
5398 }
5399 if (test_bit(DPC_RESET_HA_FW_CONTEXT, &ha->dpc_flags) ||
5400 test_bit(DPC_RESET_HA, &ha->dpc_flags))
5401 qla4xxx_recover_adapter(ha);
5402
5403 if (test_bit(DPC_RESET_HA_INTR, &ha->dpc_flags)) {
5404 uint8_t wait_time = RESET_INTR_TOV;
5405
5406 while ((readw(&ha->reg->ctrl_status) &
5407 (CSR_SOFT_RESET | CSR_FORCE_SOFT_RESET)) != 0) {
5408 if (--wait_time == 0)
5409 break;
5410 msleep(1000);
5411 }
5412 if (wait_time == 0)
5413 DEBUG2(printk("scsi%ld: %s: SR|FSR "
5414 "bit not cleared-- resetting\n",
5415 ha->host_no, __func__));
5416 qla4xxx_abort_active_cmds(ha, DID_RESET << 16);
5417 if (ql4xxx_lock_drvr_wait(ha) == QLA_SUCCESS) {
5418 qla4xxx_process_aen(ha, FLUSH_DDB_CHANGED_AENS);
5419 status = qla4xxx_recover_adapter(ha);
5420 }
5421 clear_bit(DPC_RESET_HA_INTR, &ha->dpc_flags);
5422 if (status == QLA_SUCCESS)
5423 ha->isp_ops->enable_intrs(ha);
5424 }
5425 }
5426
5427dpc_post_reset_ha:
5428
5429 if (test_and_clear_bit(DPC_AEN, &ha->dpc_flags))
5430 qla4xxx_process_aen(ha, PROCESS_ALL_AENS);
5431
5432
5433 if (test_and_clear_bit(DPC_GET_DHCP_IP_ADDR, &ha->dpc_flags))
5434 qla4xxx_get_dhcp_ip_address(ha);
5435
5436
5437 if (adapter_up(ha) &&
5438 test_and_clear_bit(DPC_RELOGIN_DEVICE, &ha->dpc_flags)) {
5439 iscsi_host_for_each_session(ha->host, qla4xxx_dpc_relogin);
5440 }
5441
5442
5443 if (!test_bit(AF_LOOPBACK, &ha->flags) &&
5444 test_and_clear_bit(DPC_LINK_CHANGED, &ha->dpc_flags)) {
5445 if (!test_bit(AF_LINK_UP, &ha->flags)) {
5446
5447 qla4xxx_mark_all_devices_missing(ha);
5448 } else {
5449
5450
5451
5452
5453
5454
5455 if (test_and_clear_bit(AF_BUILD_DDB_LIST, &ha->flags)) {
5456 qla4xxx_build_ddb_list(ha, ha->is_reset);
5457 iscsi_host_for_each_session(ha->host,
5458 qla4xxx_login_flash_ddb);
5459 } else
5460 qla4xxx_relogin_all_devices(ha);
5461 }
5462 }
5463 if (test_and_clear_bit(DPC_SYSFS_DDB_EXPORT, &ha->dpc_flags)) {
5464 if (qla4xxx_sysfs_ddb_export(ha))
5465 ql4_printk(KERN_ERR, ha, "%s: Error exporting ddb to sysfs\n",
5466 __func__);
5467 }
5468}
5469
5470
5471
5472
5473
5474static void qla4xxx_free_adapter(struct scsi_qla_host *ha)
5475{
5476 qla4xxx_abort_active_cmds(ha, DID_NO_CONNECT << 16);
5477
5478
5479 ha->isp_ops->disable_intrs(ha);
5480
5481 if (is_qla40XX(ha)) {
5482 writel(set_rmask(CSR_SCSI_PROCESSOR_INTR),
5483 &ha->reg->ctrl_status);
5484 readl(&ha->reg->ctrl_status);
5485 } else if (is_qla8022(ha)) {
5486 writel(0, &ha->qla4_82xx_reg->host_int);
5487 readl(&ha->qla4_82xx_reg->host_int);
5488 } else if (is_qla8032(ha) || is_qla8042(ha)) {
5489 writel(0, &ha->qla4_83xx_reg->risc_intr);
5490 readl(&ha->qla4_83xx_reg->risc_intr);
5491 }
5492
5493
5494 if (ha->timer_active)
5495 qla4xxx_stop_timer(ha);
5496
5497
5498 if (ha->dpc_thread)
5499 destroy_workqueue(ha->dpc_thread);
5500
5501
5502 if (ha->task_wq)
5503 destroy_workqueue(ha->task_wq);
5504
5505
5506 ha->isp_ops->reset_firmware(ha);
5507
5508 if (is_qla80XX(ha)) {
5509 ha->isp_ops->idc_lock(ha);
5510 qla4_8xxx_clear_drv_active(ha);
5511 ha->isp_ops->idc_unlock(ha);
5512 }
5513
5514
5515 qla4xxx_free_irqs(ha);
5516
5517
5518 qla4xxx_mem_free(ha);
5519}
5520
5521int qla4_8xxx_iospace_config(struct scsi_qla_host *ha)
5522{
5523 int status = 0;
5524 unsigned long mem_base, mem_len;
5525 struct pci_dev *pdev = ha->pdev;
5526
5527 status = pci_request_regions(pdev, DRIVER_NAME);
5528 if (status) {
5529 printk(KERN_WARNING
5530 "scsi(%ld) Failed to reserve PIO regions (%s) "
5531 "status=%d\n", ha->host_no, pci_name(pdev), status);
5532 goto iospace_error_exit;
5533 }
5534
5535 DEBUG2(printk(KERN_INFO "%s: revision-id=%d\n",
5536 __func__, pdev->revision));
5537 ha->revision_id = pdev->revision;
5538
5539
5540 mem_base = pci_resource_start(pdev, 0);
5541 mem_len = pci_resource_len(pdev, 0);
5542 DEBUG2(printk(KERN_INFO "%s: ioremap from %lx a size of %lx\n",
5543 __func__, mem_base, mem_len));
5544
5545
5546 ha->nx_pcibase = (unsigned long)ioremap(mem_base, mem_len);
5547 if (!ha->nx_pcibase) {
5548 printk(KERN_ERR
5549 "cannot remap MMIO (%s), aborting\n", pci_name(pdev));
5550 pci_release_regions(ha->pdev);
5551 goto iospace_error_exit;
5552 }
5553
5554
5555
5556
5557 if (is_qla8022(ha)) {
5558 ha->qla4_82xx_reg = (struct device_reg_82xx __iomem *)
5559 ((uint8_t *)ha->nx_pcibase + 0xbc000 +
5560 (ha->pdev->devfn << 11));
5561 ha->nx_db_wr_ptr = (ha->pdev->devfn == 4 ? QLA82XX_CAM_RAM_DB1 :
5562 QLA82XX_CAM_RAM_DB2);
5563 } else if (is_qla8032(ha) || is_qla8042(ha)) {
5564 ha->qla4_83xx_reg = (struct device_reg_83xx __iomem *)
5565 ((uint8_t *)ha->nx_pcibase);
5566 }
5567
5568 return 0;
5569iospace_error_exit:
5570 return -ENOMEM;
5571}
5572
5573
5574
5575
5576
5577
5578
5579
5580int qla4xxx_iospace_config(struct scsi_qla_host *ha)
5581{
5582 unsigned long pio, pio_len, pio_flags;
5583 unsigned long mmio, mmio_len, mmio_flags;
5584
5585 pio = pci_resource_start(ha->pdev, 0);
5586 pio_len = pci_resource_len(ha->pdev, 0);
5587 pio_flags = pci_resource_flags(ha->pdev, 0);
5588 if (pio_flags & IORESOURCE_IO) {
5589 if (pio_len < MIN_IOBASE_LEN) {
5590 ql4_printk(KERN_WARNING, ha,
5591 "Invalid PCI I/O region size\n");
5592 pio = 0;
5593 }
5594 } else {
5595 ql4_printk(KERN_WARNING, ha, "region #0 not a PIO resource\n");
5596 pio = 0;
5597 }
5598
5599
5600 mmio = pci_resource_start(ha->pdev, 1);
5601 mmio_len = pci_resource_len(ha->pdev, 1);
5602 mmio_flags = pci_resource_flags(ha->pdev, 1);
5603
5604 if (!(mmio_flags & IORESOURCE_MEM)) {
5605 ql4_printk(KERN_ERR, ha,
5606 "region #0 not an MMIO resource, aborting\n");
5607
5608 goto iospace_error_exit;
5609 }
5610
5611 if (mmio_len < MIN_IOBASE_LEN) {
5612 ql4_printk(KERN_ERR, ha,
5613 "Invalid PCI mem region size, aborting\n");
5614 goto iospace_error_exit;
5615 }
5616
5617 if (pci_request_regions(ha->pdev, DRIVER_NAME)) {
5618 ql4_printk(KERN_WARNING, ha,
5619 "Failed to reserve PIO/MMIO regions\n");
5620
5621 goto iospace_error_exit;
5622 }
5623
5624 ha->pio_address = pio;
5625 ha->pio_length = pio_len;
5626 ha->reg = ioremap(mmio, MIN_IOBASE_LEN);
5627 if (!ha->reg) {
5628 ql4_printk(KERN_ERR, ha,
5629 "cannot remap MMIO, aborting\n");
5630
5631 goto iospace_error_exit;
5632 }
5633
5634 return 0;
5635
5636iospace_error_exit:
5637 return -ENOMEM;
5638}
5639
5640static struct isp_operations qla4xxx_isp_ops = {
5641 .iospace_config = qla4xxx_iospace_config,
5642 .pci_config = qla4xxx_pci_config,
5643 .disable_intrs = qla4xxx_disable_intrs,
5644 .enable_intrs = qla4xxx_enable_intrs,
5645 .start_firmware = qla4xxx_start_firmware,
5646 .intr_handler = qla4xxx_intr_handler,
5647 .interrupt_service_routine = qla4xxx_interrupt_service_routine,
5648 .reset_chip = qla4xxx_soft_reset,
5649 .reset_firmware = qla4xxx_hw_reset,
5650 .queue_iocb = qla4xxx_queue_iocb,
5651 .complete_iocb = qla4xxx_complete_iocb,
5652 .rd_shdw_req_q_out = qla4xxx_rd_shdw_req_q_out,
5653 .rd_shdw_rsp_q_in = qla4xxx_rd_shdw_rsp_q_in,
5654 .get_sys_info = qla4xxx_get_sys_info,
5655 .queue_mailbox_command = qla4xxx_queue_mbox_cmd,
5656 .process_mailbox_interrupt = qla4xxx_process_mbox_intr,
5657};
5658
5659static struct isp_operations qla4_82xx_isp_ops = {
5660 .iospace_config = qla4_8xxx_iospace_config,
5661 .pci_config = qla4_8xxx_pci_config,
5662 .disable_intrs = qla4_82xx_disable_intrs,
5663 .enable_intrs = qla4_82xx_enable_intrs,
5664 .start_firmware = qla4_8xxx_load_risc,
5665 .restart_firmware = qla4_82xx_try_start_fw,
5666 .intr_handler = qla4_82xx_intr_handler,
5667 .interrupt_service_routine = qla4_82xx_interrupt_service_routine,
5668 .need_reset = qla4_8xxx_need_reset,
5669 .reset_chip = qla4_82xx_isp_reset,
5670 .reset_firmware = qla4_8xxx_stop_firmware,
5671 .queue_iocb = qla4_82xx_queue_iocb,
5672 .complete_iocb = qla4_82xx_complete_iocb,
5673 .rd_shdw_req_q_out = qla4_82xx_rd_shdw_req_q_out,
5674 .rd_shdw_rsp_q_in = qla4_82xx_rd_shdw_rsp_q_in,
5675 .get_sys_info = qla4_8xxx_get_sys_info,
5676 .rd_reg_direct = qla4_82xx_rd_32,
5677 .wr_reg_direct = qla4_82xx_wr_32,
5678 .rd_reg_indirect = qla4_82xx_md_rd_32,
5679 .wr_reg_indirect = qla4_82xx_md_wr_32,
5680 .idc_lock = qla4_82xx_idc_lock,
5681 .idc_unlock = qla4_82xx_idc_unlock,
5682 .rom_lock_recovery = qla4_82xx_rom_lock_recovery,
5683 .queue_mailbox_command = qla4_82xx_queue_mbox_cmd,
5684 .process_mailbox_interrupt = qla4_82xx_process_mbox_intr,
5685};
5686
5687static struct isp_operations qla4_83xx_isp_ops = {
5688 .iospace_config = qla4_8xxx_iospace_config,
5689 .pci_config = qla4_8xxx_pci_config,
5690 .disable_intrs = qla4_83xx_disable_intrs,
5691 .enable_intrs = qla4_83xx_enable_intrs,
5692 .start_firmware = qla4_8xxx_load_risc,
5693 .restart_firmware = qla4_83xx_start_firmware,
5694 .intr_handler = qla4_83xx_intr_handler,
5695 .interrupt_service_routine = qla4_83xx_interrupt_service_routine,
5696 .need_reset = qla4_8xxx_need_reset,
5697 .reset_chip = qla4_83xx_isp_reset,
5698 .reset_firmware = qla4_8xxx_stop_firmware,
5699 .queue_iocb = qla4_83xx_queue_iocb,
5700 .complete_iocb = qla4_83xx_complete_iocb,
5701 .rd_shdw_req_q_out = qla4xxx_rd_shdw_req_q_out,
5702 .rd_shdw_rsp_q_in = qla4xxx_rd_shdw_rsp_q_in,
5703 .get_sys_info = qla4_8xxx_get_sys_info,
5704 .rd_reg_direct = qla4_83xx_rd_reg,
5705 .wr_reg_direct = qla4_83xx_wr_reg,
5706 .rd_reg_indirect = qla4_83xx_rd_reg_indirect,
5707 .wr_reg_indirect = qla4_83xx_wr_reg_indirect,
5708 .idc_lock = qla4_83xx_drv_lock,
5709 .idc_unlock = qla4_83xx_drv_unlock,
5710 .rom_lock_recovery = qla4_83xx_rom_lock_recovery,
5711 .queue_mailbox_command = qla4_83xx_queue_mbox_cmd,
5712 .process_mailbox_interrupt = qla4_83xx_process_mbox_intr,
5713};
5714
5715uint16_t qla4xxx_rd_shdw_req_q_out(struct scsi_qla_host *ha)
5716{
5717 return (uint16_t)le32_to_cpu(ha->shadow_regs->req_q_out);
5718}
5719
5720uint16_t qla4_82xx_rd_shdw_req_q_out(struct scsi_qla_host *ha)
5721{
5722 return (uint16_t)le32_to_cpu(readl(&ha->qla4_82xx_reg->req_q_out));
5723}
5724
5725uint16_t qla4xxx_rd_shdw_rsp_q_in(struct scsi_qla_host *ha)
5726{
5727 return (uint16_t)le32_to_cpu(ha->shadow_regs->rsp_q_in);
5728}
5729
5730uint16_t qla4_82xx_rd_shdw_rsp_q_in(struct scsi_qla_host *ha)
5731{
5732 return (uint16_t)le32_to_cpu(readl(&ha->qla4_82xx_reg->rsp_q_in));
5733}
5734
5735static ssize_t qla4xxx_show_boot_eth_info(void *data, int type, char *buf)
5736{
5737 struct scsi_qla_host *ha = data;
5738 char *str = buf;
5739 int rc;
5740
5741 switch (type) {
5742 case ISCSI_BOOT_ETH_FLAGS:
5743 rc = sprintf(str, "%d\n", SYSFS_FLAG_FW_SEL_BOOT);
5744 break;
5745 case ISCSI_BOOT_ETH_INDEX:
5746 rc = sprintf(str, "0\n");
5747 break;
5748 case ISCSI_BOOT_ETH_MAC:
5749 rc = sysfs_format_mac(str, ha->my_mac,
5750 MAC_ADDR_LEN);
5751 break;
5752 default:
5753 rc = -ENOSYS;
5754 break;
5755 }
5756 return rc;
5757}
5758
5759static umode_t qla4xxx_eth_get_attr_visibility(void *data, int type)
5760{
5761 int rc;
5762
5763 switch (type) {
5764 case ISCSI_BOOT_ETH_FLAGS:
5765 case ISCSI_BOOT_ETH_MAC:
5766 case ISCSI_BOOT_ETH_INDEX:
5767 rc = S_IRUGO;
5768 break;
5769 default:
5770 rc = 0;
5771 break;
5772 }
5773 return rc;
5774}
5775
5776static ssize_t qla4xxx_show_boot_ini_info(void *data, int type, char *buf)
5777{
5778 struct scsi_qla_host *ha = data;
5779 char *str = buf;
5780 int rc;
5781
5782 switch (type) {
5783 case ISCSI_BOOT_INI_INITIATOR_NAME:
5784 rc = sprintf(str, "%s\n", ha->name_string);
5785 break;
5786 default:
5787 rc = -ENOSYS;
5788 break;
5789 }
5790 return rc;
5791}
5792
5793static umode_t qla4xxx_ini_get_attr_visibility(void *data, int type)
5794{
5795 int rc;
5796
5797 switch (type) {
5798 case ISCSI_BOOT_INI_INITIATOR_NAME:
5799 rc = S_IRUGO;
5800 break;
5801 default:
5802 rc = 0;
5803 break;
5804 }
5805 return rc;
5806}
5807
5808static ssize_t
5809qla4xxx_show_boot_tgt_info(struct ql4_boot_session_info *boot_sess, int type,
5810 char *buf)
5811{
5812 struct ql4_conn_info *boot_conn = &boot_sess->conn_list[0];
5813 char *str = buf;
5814 int rc;
5815
5816 switch (type) {
5817 case ISCSI_BOOT_TGT_NAME:
5818 rc = sprintf(buf, "%s\n", (char *)&boot_sess->target_name);
5819 break;
5820 case ISCSI_BOOT_TGT_IP_ADDR:
5821 if (boot_sess->conn_list[0].dest_ipaddr.ip_type == 0x1)
5822 rc = sprintf(buf, "%pI4\n",
5823 &boot_conn->dest_ipaddr.ip_address);
5824 else
5825 rc = sprintf(str, "%pI6\n",
5826 &boot_conn->dest_ipaddr.ip_address);
5827 break;
5828 case ISCSI_BOOT_TGT_PORT:
5829 rc = sprintf(str, "%d\n", boot_conn->dest_port);
5830 break;
5831 case ISCSI_BOOT_TGT_CHAP_NAME:
5832 rc = sprintf(str, "%.*s\n",
5833 boot_conn->chap.target_chap_name_length,
5834 (char *)&boot_conn->chap.target_chap_name);
5835 break;
5836 case ISCSI_BOOT_TGT_CHAP_SECRET:
5837 rc = sprintf(str, "%.*s\n",
5838 boot_conn->chap.target_secret_length,
5839 (char *)&boot_conn->chap.target_secret);
5840 break;
5841 case ISCSI_BOOT_TGT_REV_CHAP_NAME:
5842 rc = sprintf(str, "%.*s\n",
5843 boot_conn->chap.intr_chap_name_length,
5844 (char *)&boot_conn->chap.intr_chap_name);
5845 break;
5846 case ISCSI_BOOT_TGT_REV_CHAP_SECRET:
5847 rc = sprintf(str, "%.*s\n",
5848 boot_conn->chap.intr_secret_length,
5849 (char *)&boot_conn->chap.intr_secret);
5850 break;
5851 case ISCSI_BOOT_TGT_FLAGS:
5852 rc = sprintf(str, "%d\n", SYSFS_FLAG_FW_SEL_BOOT);
5853 break;
5854 case ISCSI_BOOT_TGT_NIC_ASSOC:
5855 rc = sprintf(str, "0\n");
5856 break;
5857 default:
5858 rc = -ENOSYS;
5859 break;
5860 }
5861 return rc;
5862}
5863
5864static ssize_t qla4xxx_show_boot_tgt_pri_info(void *data, int type, char *buf)
5865{
5866 struct scsi_qla_host *ha = data;
5867 struct ql4_boot_session_info *boot_sess = &(ha->boot_tgt.boot_pri_sess);
5868
5869 return qla4xxx_show_boot_tgt_info(boot_sess, type, buf);
5870}
5871
5872static ssize_t qla4xxx_show_boot_tgt_sec_info(void *data, int type, char *buf)
5873{
5874 struct scsi_qla_host *ha = data;
5875 struct ql4_boot_session_info *boot_sess = &(ha->boot_tgt.boot_sec_sess);
5876
5877 return qla4xxx_show_boot_tgt_info(boot_sess, type, buf);
5878}
5879
5880static umode_t qla4xxx_tgt_get_attr_visibility(void *data, int type)
5881{
5882 int rc;
5883
5884 switch (type) {
5885 case ISCSI_BOOT_TGT_NAME:
5886 case ISCSI_BOOT_TGT_IP_ADDR:
5887 case ISCSI_BOOT_TGT_PORT:
5888 case ISCSI_BOOT_TGT_CHAP_NAME:
5889 case ISCSI_BOOT_TGT_CHAP_SECRET:
5890 case ISCSI_BOOT_TGT_REV_CHAP_NAME:
5891 case ISCSI_BOOT_TGT_REV_CHAP_SECRET:
5892 case ISCSI_BOOT_TGT_NIC_ASSOC:
5893 case ISCSI_BOOT_TGT_FLAGS:
5894 rc = S_IRUGO;
5895 break;
5896 default:
5897 rc = 0;
5898 break;
5899 }
5900 return rc;
5901}
5902
5903static void qla4xxx_boot_release(void *data)
5904{
5905 struct scsi_qla_host *ha = data;
5906
5907 scsi_host_put(ha->host);
5908}
5909
5910static int get_fw_boot_info(struct scsi_qla_host *ha, uint16_t ddb_index[])
5911{
5912 dma_addr_t buf_dma;
5913 uint32_t addr, pri_addr, sec_addr;
5914 uint32_t offset;
5915 uint16_t func_num;
5916 uint8_t val;
5917 uint8_t *buf = NULL;
5918 size_t size = 13 * sizeof(uint8_t);
5919 int ret = QLA_SUCCESS;
5920
5921 func_num = PCI_FUNC(ha->pdev->devfn);
5922
5923 ql4_printk(KERN_INFO, ha, "%s: Get FW boot info for 0x%x func %d\n",
5924 __func__, ha->pdev->device, func_num);
5925
5926 if (is_qla40XX(ha)) {
5927 if (func_num == 1) {
5928 addr = NVRAM_PORT0_BOOT_MODE;
5929 pri_addr = NVRAM_PORT0_BOOT_PRI_TGT;
5930 sec_addr = NVRAM_PORT0_BOOT_SEC_TGT;
5931 } else if (func_num == 3) {
5932 addr = NVRAM_PORT1_BOOT_MODE;
5933 pri_addr = NVRAM_PORT1_BOOT_PRI_TGT;
5934 sec_addr = NVRAM_PORT1_BOOT_SEC_TGT;
5935 } else {
5936 ret = QLA_ERROR;
5937 goto exit_boot_info;
5938 }
5939
5940
5941 val = rd_nvram_byte(ha, addr);
5942 if (!(val & 0x07)) {
5943 DEBUG2(ql4_printk(KERN_INFO, ha, "%s: Adapter boot "
5944 "options : 0x%x\n", __func__, val));
5945 ret = QLA_ERROR;
5946 goto exit_boot_info;
5947 }
5948
5949
5950 val = rd_nvram_byte(ha, pri_addr);
5951 if (val & BIT_7)
5952 ddb_index[0] = (val & 0x7f);
5953
5954
5955 val = rd_nvram_byte(ha, sec_addr);
5956 if (val & BIT_7)
5957 ddb_index[1] = (val & 0x7f);
5958 goto exit_boot_info;
5959 } else if (is_qla80XX(ha)) {
5960 buf = dma_alloc_coherent(&ha->pdev->dev, size,
5961 &buf_dma, GFP_KERNEL);
5962 if (!buf) {
5963 DEBUG2(ql4_printk(KERN_ERR, ha,
5964 "%s: Unable to allocate dma buffer\n",
5965 __func__));
5966 ret = QLA_ERROR;
5967 goto exit_boot_info;
5968 }
5969
5970 if (ha->port_num == 0)
5971 offset = BOOT_PARAM_OFFSET_PORT0;
5972 else if (ha->port_num == 1)
5973 offset = BOOT_PARAM_OFFSET_PORT1;
5974 else {
5975 ret = QLA_ERROR;
5976 goto exit_boot_info_free;
5977 }
5978 addr = FLASH_RAW_ACCESS_ADDR + (ha->hw.flt_iscsi_param * 4) +
5979 offset;
5980 if (qla4xxx_get_flash(ha, buf_dma, addr,
5981 13 * sizeof(uint8_t)) != QLA_SUCCESS) {
5982 DEBUG2(ql4_printk(KERN_ERR, ha, "scsi%ld: %s: Get Flash"
5983 " failed\n", ha->host_no, __func__));
5984 ret = QLA_ERROR;
5985 goto exit_boot_info_free;
5986 }
5987
5988 if (!(buf[1] & 0x07)) {
5989 DEBUG2(ql4_printk(KERN_INFO, ha, "Firmware boot options"
5990 " : 0x%x\n", buf[1]));
5991 ret = QLA_ERROR;
5992 goto exit_boot_info_free;
5993 }
5994
5995
5996 if (buf[2] & BIT_7)
5997 ddb_index[0] = buf[2] & 0x7f;
5998
5999
6000 if (buf[11] & BIT_7)
6001 ddb_index[1] = buf[11] & 0x7f;
6002 } else {
6003 ret = QLA_ERROR;
6004 goto exit_boot_info;
6005 }
6006
6007 DEBUG2(ql4_printk(KERN_INFO, ha, "%s: Primary target ID %d, Secondary"
6008 " target ID %d\n", __func__, ddb_index[0],
6009 ddb_index[1]));
6010
6011exit_boot_info_free:
6012 dma_free_coherent(&ha->pdev->dev, size, buf, buf_dma);
6013exit_boot_info:
6014 ha->pri_ddb_idx = ddb_index[0];
6015 ha->sec_ddb_idx = ddb_index[1];
6016 return ret;
6017}
6018
6019
6020
6021
6022
6023
6024
6025
6026
6027
6028
6029
6030static int qla4xxx_get_bidi_chap(struct scsi_qla_host *ha, char *username,
6031 char *password)
6032{
6033 int i, ret = -EINVAL;
6034 int max_chap_entries = 0;
6035 struct ql4_chap_table *chap_table;
6036
6037 if (is_qla80XX(ha))
6038 max_chap_entries = (ha->hw.flt_chap_size / 2) /
6039 sizeof(struct ql4_chap_table);
6040 else
6041 max_chap_entries = MAX_CHAP_ENTRIES_40XX;
6042
6043 if (!ha->chap_list) {
6044 ql4_printk(KERN_ERR, ha, "Do not have CHAP table cache\n");
6045 return ret;
6046 }
6047
6048 mutex_lock(&ha->chap_sem);
6049 for (i = 0; i < max_chap_entries; i++) {
6050 chap_table = (struct ql4_chap_table *)ha->chap_list + i;
6051 if (chap_table->cookie !=
6052 __constant_cpu_to_le16(CHAP_VALID_COOKIE)) {
6053 continue;
6054 }
6055
6056 if (chap_table->flags & BIT_7)
6057 continue;
6058
6059 if (!(chap_table->flags & BIT_6))
6060 continue;
6061
6062 strlcpy(password, chap_table->secret, QL4_CHAP_MAX_SECRET_LEN);
6063 strlcpy(username, chap_table->name, QL4_CHAP_MAX_NAME_LEN);
6064 ret = 0;
6065 break;
6066 }
6067 mutex_unlock(&ha->chap_sem);
6068
6069 return ret;
6070}
6071
6072
6073static int qla4xxx_get_boot_target(struct scsi_qla_host *ha,
6074 struct ql4_boot_session_info *boot_sess,
6075 uint16_t ddb_index)
6076{
6077 struct ql4_conn_info *boot_conn = &boot_sess->conn_list[0];
6078 struct dev_db_entry *fw_ddb_entry;
6079 dma_addr_t fw_ddb_entry_dma;
6080 uint16_t idx;
6081 uint16_t options;
6082 int ret = QLA_SUCCESS;
6083
6084 fw_ddb_entry = dma_alloc_coherent(&ha->pdev->dev, sizeof(*fw_ddb_entry),
6085 &fw_ddb_entry_dma, GFP_KERNEL);
6086 if (!fw_ddb_entry) {
6087 DEBUG2(ql4_printk(KERN_ERR, ha,
6088 "%s: Unable to allocate dma buffer.\n",
6089 __func__));
6090 ret = QLA_ERROR;
6091 return ret;
6092 }
6093
6094 if (qla4xxx_bootdb_by_index(ha, fw_ddb_entry,
6095 fw_ddb_entry_dma, ddb_index)) {
6096 DEBUG2(ql4_printk(KERN_INFO, ha, "%s: No Flash DDB found at "
6097 "index [%d]\n", __func__, ddb_index));
6098 ret = QLA_ERROR;
6099 goto exit_boot_target;
6100 }
6101
6102
6103 memcpy(boot_sess->target_name, fw_ddb_entry->iscsi_name,
6104 min(sizeof(boot_sess->target_name),
6105 sizeof(fw_ddb_entry->iscsi_name)));
6106
6107 options = le16_to_cpu(fw_ddb_entry->options);
6108 if (options & DDB_OPT_IPV6_DEVICE) {
6109 memcpy(&boot_conn->dest_ipaddr.ip_address,
6110 &fw_ddb_entry->ip_addr[0], IPv6_ADDR_LEN);
6111 } else {
6112 boot_conn->dest_ipaddr.ip_type = 0x1;
6113 memcpy(&boot_conn->dest_ipaddr.ip_address,
6114 &fw_ddb_entry->ip_addr[0], IP_ADDR_LEN);
6115 }
6116
6117 boot_conn->dest_port = le16_to_cpu(fw_ddb_entry->port);
6118
6119
6120 idx = __le16_to_cpu(fw_ddb_entry->chap_tbl_idx);
6121
6122 if (BIT_7 & le16_to_cpu(fw_ddb_entry->iscsi_options)) {
6123
6124 DEBUG2(ql4_printk(KERN_INFO, ha, "Setting chap\n"));
6125
6126 ret = qla4xxx_get_chap(ha, (char *)&boot_conn->chap.
6127 target_chap_name,
6128 (char *)&boot_conn->chap.target_secret,
6129 idx);
6130 if (ret) {
6131 ql4_printk(KERN_ERR, ha, "Failed to set chap\n");
6132 ret = QLA_ERROR;
6133 goto exit_boot_target;
6134 }
6135
6136 boot_conn->chap.target_chap_name_length = QL4_CHAP_MAX_NAME_LEN;
6137 boot_conn->chap.target_secret_length = QL4_CHAP_MAX_SECRET_LEN;
6138 }
6139
6140 if (BIT_4 & le16_to_cpu(fw_ddb_entry->iscsi_options)) {
6141
6142 DEBUG2(ql4_printk(KERN_INFO, ha, "Setting BIDI chap\n"));
6143
6144 ret = qla4xxx_get_bidi_chap(ha,
6145 (char *)&boot_conn->chap.intr_chap_name,
6146 (char *)&boot_conn->chap.intr_secret);
6147
6148 if (ret) {
6149 ql4_printk(KERN_ERR, ha, "Failed to set BIDI chap\n");
6150 ret = QLA_ERROR;
6151 goto exit_boot_target;
6152 }
6153
6154 boot_conn->chap.intr_chap_name_length = QL4_CHAP_MAX_NAME_LEN;
6155 boot_conn->chap.intr_secret_length = QL4_CHAP_MAX_SECRET_LEN;
6156 }
6157
6158exit_boot_target:
6159 dma_free_coherent(&ha->pdev->dev, sizeof(*fw_ddb_entry),
6160 fw_ddb_entry, fw_ddb_entry_dma);
6161 return ret;
6162}
6163
6164static int qla4xxx_get_boot_info(struct scsi_qla_host *ha)
6165{
6166 uint16_t ddb_index[2];
6167 int ret = QLA_ERROR;
6168 int rval;
6169
6170 memset(ddb_index, 0, sizeof(ddb_index));
6171 ddb_index[0] = 0xffff;
6172 ddb_index[1] = 0xffff;
6173 ret = get_fw_boot_info(ha, ddb_index);
6174 if (ret != QLA_SUCCESS) {
6175 DEBUG2(ql4_printk(KERN_INFO, ha,
6176 "%s: No boot target configured.\n", __func__));
6177 return ret;
6178 }
6179
6180 if (ql4xdisablesysfsboot)
6181 return QLA_SUCCESS;
6182
6183 if (ddb_index[0] == 0xffff)
6184 goto sec_target;
6185
6186 rval = qla4xxx_get_boot_target(ha, &(ha->boot_tgt.boot_pri_sess),
6187 ddb_index[0]);
6188 if (rval != QLA_SUCCESS) {
6189 DEBUG2(ql4_printk(KERN_INFO, ha, "%s: Primary boot target not "
6190 "configured\n", __func__));
6191 } else
6192 ret = QLA_SUCCESS;
6193
6194sec_target:
6195 if (ddb_index[1] == 0xffff)
6196 goto exit_get_boot_info;
6197
6198 rval = qla4xxx_get_boot_target(ha, &(ha->boot_tgt.boot_sec_sess),
6199 ddb_index[1]);
6200 if (rval != QLA_SUCCESS) {
6201 DEBUG2(ql4_printk(KERN_INFO, ha, "%s: Secondary boot target not"
6202 " configured\n", __func__));
6203 } else
6204 ret = QLA_SUCCESS;
6205
6206exit_get_boot_info:
6207 return ret;
6208}
6209
6210static int qla4xxx_setup_boot_info(struct scsi_qla_host *ha)
6211{
6212 struct iscsi_boot_kobj *boot_kobj;
6213
6214 if (qla4xxx_get_boot_info(ha) != QLA_SUCCESS)
6215 return QLA_ERROR;
6216
6217 if (ql4xdisablesysfsboot) {
6218 ql4_printk(KERN_INFO, ha,
6219 "%s: syfsboot disabled - driver will trigger login "
6220 "and publish session for discovery .\n", __func__);
6221 return QLA_SUCCESS;
6222 }
6223
6224
6225 ha->boot_kset = iscsi_boot_create_host_kset(ha->host->host_no);
6226 if (!ha->boot_kset)
6227 goto kset_free;
6228
6229 if (!scsi_host_get(ha->host))
6230 goto kset_free;
6231 boot_kobj = iscsi_boot_create_target(ha->boot_kset, 0, ha,
6232 qla4xxx_show_boot_tgt_pri_info,
6233 qla4xxx_tgt_get_attr_visibility,
6234 qla4xxx_boot_release);
6235 if (!boot_kobj)
6236 goto put_host;
6237
6238 if (!scsi_host_get(ha->host))
6239 goto kset_free;
6240 boot_kobj = iscsi_boot_create_target(ha->boot_kset, 1, ha,
6241 qla4xxx_show_boot_tgt_sec_info,
6242 qla4xxx_tgt_get_attr_visibility,
6243 qla4xxx_boot_release);
6244 if (!boot_kobj)
6245 goto put_host;
6246
6247 if (!scsi_host_get(ha->host))
6248 goto kset_free;
6249 boot_kobj = iscsi_boot_create_initiator(ha->boot_kset, 0, ha,
6250 qla4xxx_show_boot_ini_info,
6251 qla4xxx_ini_get_attr_visibility,
6252 qla4xxx_boot_release);
6253 if (!boot_kobj)
6254 goto put_host;
6255
6256 if (!scsi_host_get(ha->host))
6257 goto kset_free;
6258 boot_kobj = iscsi_boot_create_ethernet(ha->boot_kset, 0, ha,
6259 qla4xxx_show_boot_eth_info,
6260 qla4xxx_eth_get_attr_visibility,
6261 qla4xxx_boot_release);
6262 if (!boot_kobj)
6263 goto put_host;
6264
6265 return QLA_SUCCESS;
6266
6267put_host:
6268 scsi_host_put(ha->host);
6269kset_free:
6270 iscsi_boot_destroy_kset(ha->boot_kset);
6271 return -ENOMEM;
6272}
6273
6274
6275static void qla4xxx_get_param_ddb(struct ddb_entry *ddb_entry,
6276 struct ql4_tuple_ddb *tddb)
6277{
6278 struct iscsi_cls_session *cls_sess;
6279 struct iscsi_cls_conn *cls_conn;
6280 struct iscsi_session *sess;
6281 struct iscsi_conn *conn;
6282
6283 DEBUG2(printk(KERN_INFO "Func: %s\n", __func__));
6284 cls_sess = ddb_entry->sess;
6285 sess = cls_sess->dd_data;
6286 cls_conn = ddb_entry->conn;
6287 conn = cls_conn->dd_data;
6288
6289 tddb->tpgt = sess->tpgt;
6290 tddb->port = conn->persistent_port;
6291 strlcpy(tddb->iscsi_name, sess->targetname, ISCSI_NAME_SIZE);
6292 strlcpy(tddb->ip_addr, conn->persistent_address, DDB_IPADDR_LEN);
6293}
6294
6295static void qla4xxx_convert_param_ddb(struct dev_db_entry *fw_ddb_entry,
6296 struct ql4_tuple_ddb *tddb,
6297 uint8_t *flash_isid)
6298{
6299 uint16_t options = 0;
6300
6301 tddb->tpgt = le32_to_cpu(fw_ddb_entry->tgt_portal_grp);
6302 memcpy(&tddb->iscsi_name[0], &fw_ddb_entry->iscsi_name[0],
6303 min(sizeof(tddb->iscsi_name), sizeof(fw_ddb_entry->iscsi_name)));
6304
6305 options = le16_to_cpu(fw_ddb_entry->options);
6306 if (options & DDB_OPT_IPV6_DEVICE)
6307 sprintf(tddb->ip_addr, "%pI6", fw_ddb_entry->ip_addr);
6308 else
6309 sprintf(tddb->ip_addr, "%pI4", fw_ddb_entry->ip_addr);
6310
6311 tddb->port = le16_to_cpu(fw_ddb_entry->port);
6312
6313 if (flash_isid == NULL)
6314 memcpy(&tddb->isid[0], &fw_ddb_entry->isid[0],
6315 sizeof(tddb->isid));
6316 else
6317 memcpy(&tddb->isid[0], &flash_isid[0], sizeof(tddb->isid));
6318}
6319
6320static int qla4xxx_compare_tuple_ddb(struct scsi_qla_host *ha,
6321 struct ql4_tuple_ddb *old_tddb,
6322 struct ql4_tuple_ddb *new_tddb,
6323 uint8_t is_isid_compare)
6324{
6325 if (strcmp(old_tddb->iscsi_name, new_tddb->iscsi_name))
6326 return QLA_ERROR;
6327
6328 if (strcmp(old_tddb->ip_addr, new_tddb->ip_addr))
6329 return QLA_ERROR;
6330
6331 if (old_tddb->port != new_tddb->port)
6332 return QLA_ERROR;
6333
6334
6335
6336
6337
6338
6339
6340 if (is_isid_compare) {
6341 DEBUG2(ql4_printk(KERN_INFO, ha,
6342 "%s: old ISID [%pmR] New ISID [%pmR]\n",
6343 __func__, old_tddb->isid, new_tddb->isid));
6344
6345 if (memcmp(&old_tddb->isid[0], &new_tddb->isid[0],
6346 sizeof(old_tddb->isid)))
6347 return QLA_ERROR;
6348 }
6349
6350 DEBUG2(ql4_printk(KERN_INFO, ha,
6351 "Match Found, fw[%d,%d,%s,%s], [%d,%d,%s,%s]",
6352 old_tddb->port, old_tddb->tpgt, old_tddb->ip_addr,
6353 old_tddb->iscsi_name, new_tddb->port, new_tddb->tpgt,
6354 new_tddb->ip_addr, new_tddb->iscsi_name));
6355
6356 return QLA_SUCCESS;
6357}
6358
6359static int qla4xxx_is_session_exists(struct scsi_qla_host *ha,
6360 struct dev_db_entry *fw_ddb_entry,
6361 uint32_t *index)
6362{
6363 struct ddb_entry *ddb_entry;
6364 struct ql4_tuple_ddb *fw_tddb = NULL;
6365 struct ql4_tuple_ddb *tmp_tddb = NULL;
6366 int idx;
6367 int ret = QLA_ERROR;
6368
6369 fw_tddb = vzalloc(sizeof(*fw_tddb));
6370 if (!fw_tddb) {
6371 DEBUG2(ql4_printk(KERN_WARNING, ha,
6372 "Memory Allocation failed.\n"));
6373 ret = QLA_SUCCESS;
6374 goto exit_check;
6375 }
6376
6377 tmp_tddb = vzalloc(sizeof(*tmp_tddb));
6378 if (!tmp_tddb) {
6379 DEBUG2(ql4_printk(KERN_WARNING, ha,
6380 "Memory Allocation failed.\n"));
6381 ret = QLA_SUCCESS;
6382 goto exit_check;
6383 }
6384
6385 qla4xxx_convert_param_ddb(fw_ddb_entry, fw_tddb, NULL);
6386
6387 for (idx = 0; idx < MAX_DDB_ENTRIES; idx++) {
6388 ddb_entry = qla4xxx_lookup_ddb_by_fw_index(ha, idx);
6389 if (ddb_entry == NULL)
6390 continue;
6391
6392 qla4xxx_get_param_ddb(ddb_entry, tmp_tddb);
6393 if (!qla4xxx_compare_tuple_ddb(ha, fw_tddb, tmp_tddb, false)) {
6394 ret = QLA_SUCCESS;
6395 if (index != NULL)
6396 *index = idx;
6397 goto exit_check;
6398 }
6399 }
6400
6401exit_check:
6402 if (fw_tddb)
6403 vfree(fw_tddb);
6404 if (tmp_tddb)
6405 vfree(tmp_tddb);
6406 return ret;
6407}
6408
6409
6410
6411
6412
6413
6414
6415
6416
6417static int qla4xxx_check_existing_isid(struct list_head *list_nt, uint8_t *isid)
6418{
6419 struct qla_ddb_index *nt_ddb_idx, *nt_ddb_idx_tmp;
6420 struct dev_db_entry *fw_ddb_entry;
6421
6422 list_for_each_entry_safe(nt_ddb_idx, nt_ddb_idx_tmp, list_nt, list) {
6423 fw_ddb_entry = &nt_ddb_idx->fw_ddb;
6424
6425 if (memcmp(&fw_ddb_entry->isid[0], &isid[0],
6426 sizeof(nt_ddb_idx->fw_ddb.isid)) == 0) {
6427 return QLA_SUCCESS;
6428 }
6429 }
6430 return QLA_ERROR;
6431}
6432
6433
6434
6435
6436
6437
6438
6439
6440
6441
6442
6443static int qla4xxx_update_isid(struct scsi_qla_host *ha,
6444 struct list_head *list_nt,
6445 struct dev_db_entry *fw_ddb_entry)
6446{
6447 uint8_t base_value, i;
6448
6449 base_value = fw_ddb_entry->isid[1] & 0x1f;
6450 for (i = 0; i < 8; i++) {
6451 fw_ddb_entry->isid[1] = (base_value | (i << 5));
6452 if (qla4xxx_check_existing_isid(list_nt, fw_ddb_entry->isid))
6453 break;
6454 }
6455
6456 if (!qla4xxx_check_existing_isid(list_nt, fw_ddb_entry->isid))
6457 return QLA_ERROR;
6458
6459 return QLA_SUCCESS;
6460}
6461
6462
6463
6464
6465
6466
6467
6468
6469
6470
6471static int qla4xxx_should_update_isid(struct scsi_qla_host *ha,
6472 struct ql4_tuple_ddb *old_tddb,
6473 struct ql4_tuple_ddb *new_tddb)
6474{
6475 if (strcmp(old_tddb->ip_addr, new_tddb->ip_addr) == 0) {
6476
6477 if (old_tddb->port == new_tddb->port)
6478 return QLA_ERROR;
6479 }
6480
6481 if (strcmp(old_tddb->iscsi_name, new_tddb->iscsi_name))
6482
6483 return QLA_ERROR;
6484
6485 if (memcmp(&old_tddb->isid[0], &new_tddb->isid[0],
6486 sizeof(old_tddb->isid)))
6487
6488 return QLA_ERROR;
6489
6490 return QLA_SUCCESS;
6491}
6492
6493
6494
6495
6496
6497
6498
6499
6500
6501
6502
6503
6504
6505static int qla4xxx_is_flash_ddb_exists(struct scsi_qla_host *ha,
6506 struct list_head *list_nt,
6507 struct dev_db_entry *fw_ddb_entry)
6508{
6509 struct qla_ddb_index *nt_ddb_idx, *nt_ddb_idx_tmp;
6510 struct ql4_tuple_ddb *fw_tddb = NULL;
6511 struct ql4_tuple_ddb *tmp_tddb = NULL;
6512 int rval, ret = QLA_ERROR;
6513
6514 fw_tddb = vzalloc(sizeof(*fw_tddb));
6515 if (!fw_tddb) {
6516 DEBUG2(ql4_printk(KERN_WARNING, ha,
6517 "Memory Allocation failed.\n"));
6518 ret = QLA_SUCCESS;
6519 goto exit_check;
6520 }
6521
6522 tmp_tddb = vzalloc(sizeof(*tmp_tddb));
6523 if (!tmp_tddb) {
6524 DEBUG2(ql4_printk(KERN_WARNING, ha,
6525 "Memory Allocation failed.\n"));
6526 ret = QLA_SUCCESS;
6527 goto exit_check;
6528 }
6529
6530 qla4xxx_convert_param_ddb(fw_ddb_entry, fw_tddb, NULL);
6531
6532 list_for_each_entry_safe(nt_ddb_idx, nt_ddb_idx_tmp, list_nt, list) {
6533 qla4xxx_convert_param_ddb(&nt_ddb_idx->fw_ddb, tmp_tddb,
6534 nt_ddb_idx->flash_isid);
6535 ret = qla4xxx_compare_tuple_ddb(ha, fw_tddb, tmp_tddb, true);
6536
6537 if (ret == QLA_SUCCESS)
6538 goto exit_check;
6539 }
6540
6541 list_for_each_entry_safe(nt_ddb_idx, nt_ddb_idx_tmp, list_nt, list) {
6542 qla4xxx_convert_param_ddb(&nt_ddb_idx->fw_ddb, tmp_tddb, NULL);
6543
6544 ret = qla4xxx_should_update_isid(ha, tmp_tddb, fw_tddb);
6545 if (ret == QLA_SUCCESS) {
6546 rval = qla4xxx_update_isid(ha, list_nt, fw_ddb_entry);
6547 if (rval == QLA_SUCCESS)
6548 ret = QLA_ERROR;
6549 else
6550 ret = QLA_SUCCESS;
6551
6552 goto exit_check;
6553 }
6554 }
6555
6556exit_check:
6557 if (fw_tddb)
6558 vfree(fw_tddb);
6559 if (tmp_tddb)
6560 vfree(tmp_tddb);
6561 return ret;
6562}
6563
6564static void qla4xxx_free_ddb_list(struct list_head *list_ddb)
6565{
6566 struct qla_ddb_index *ddb_idx, *ddb_idx_tmp;
6567
6568 list_for_each_entry_safe(ddb_idx, ddb_idx_tmp, list_ddb, list) {
6569 list_del_init(&ddb_idx->list);
6570 vfree(ddb_idx);
6571 }
6572}
6573
6574static struct iscsi_endpoint *qla4xxx_get_ep_fwdb(struct scsi_qla_host *ha,
6575 struct dev_db_entry *fw_ddb_entry)
6576{
6577 struct iscsi_endpoint *ep;
6578 struct sockaddr_in *addr;
6579 struct sockaddr_in6 *addr6;
6580 struct sockaddr *t_addr;
6581 struct sockaddr_storage *dst_addr;
6582 char *ip;
6583
6584
6585 dst_addr = vmalloc(sizeof(*dst_addr));
6586 if (!dst_addr)
6587 return NULL;
6588
6589 if (fw_ddb_entry->options & DDB_OPT_IPV6_DEVICE) {
6590 t_addr = (struct sockaddr *)dst_addr;
6591 t_addr->sa_family = AF_INET6;
6592 addr6 = (struct sockaddr_in6 *)dst_addr;
6593 ip = (char *)&addr6->sin6_addr;
6594 memcpy(ip, fw_ddb_entry->ip_addr, IPv6_ADDR_LEN);
6595 addr6->sin6_port = htons(le16_to_cpu(fw_ddb_entry->port));
6596
6597 } else {
6598 t_addr = (struct sockaddr *)dst_addr;
6599 t_addr->sa_family = AF_INET;
6600 addr = (struct sockaddr_in *)dst_addr;
6601 ip = (char *)&addr->sin_addr;
6602 memcpy(ip, fw_ddb_entry->ip_addr, IP_ADDR_LEN);
6603 addr->sin_port = htons(le16_to_cpu(fw_ddb_entry->port));
6604 }
6605
6606 ep = qla4xxx_ep_connect(ha->host, (struct sockaddr *)dst_addr, 0);
6607 vfree(dst_addr);
6608 return ep;
6609}
6610
6611static int qla4xxx_verify_boot_idx(struct scsi_qla_host *ha, uint16_t idx)
6612{
6613 if (ql4xdisablesysfsboot)
6614 return QLA_SUCCESS;
6615 if (idx == ha->pri_ddb_idx || idx == ha->sec_ddb_idx)
6616 return QLA_ERROR;
6617 return QLA_SUCCESS;
6618}
6619
6620static void qla4xxx_setup_flash_ddb_entry(struct scsi_qla_host *ha,
6621 struct ddb_entry *ddb_entry,
6622 uint16_t idx)
6623{
6624 uint16_t def_timeout;
6625
6626 ddb_entry->ddb_type = FLASH_DDB;
6627 ddb_entry->fw_ddb_index = INVALID_ENTRY;
6628 ddb_entry->fw_ddb_device_state = DDB_DS_NO_CONNECTION_ACTIVE;
6629 ddb_entry->ha = ha;
6630 ddb_entry->unblock_sess = qla4xxx_unblock_flash_ddb;
6631 ddb_entry->ddb_change = qla4xxx_flash_ddb_change;
6632 ddb_entry->chap_tbl_idx = INVALID_ENTRY;
6633
6634 atomic_set(&ddb_entry->retry_relogin_timer, INVALID_ENTRY);
6635 atomic_set(&ddb_entry->relogin_timer, 0);
6636 atomic_set(&ddb_entry->relogin_retry_count, 0);
6637 def_timeout = le16_to_cpu(ddb_entry->fw_ddb_entry.def_timeout);
6638 ddb_entry->default_relogin_timeout =
6639 (def_timeout > LOGIN_TOV) && (def_timeout < LOGIN_TOV * 10) ?
6640 def_timeout : LOGIN_TOV;
6641 ddb_entry->default_time2wait =
6642 le16_to_cpu(ddb_entry->fw_ddb_entry.iscsi_def_time2wait);
6643
6644 if (ql4xdisablesysfsboot &&
6645 (idx == ha->pri_ddb_idx || idx == ha->sec_ddb_idx))
6646 set_bit(DF_BOOT_TGT, &ddb_entry->flags);
6647}
6648
6649static void qla4xxx_wait_for_ip_configuration(struct scsi_qla_host *ha)
6650{
6651 uint32_t idx = 0;
6652 uint32_t ip_idx[IP_ADDR_COUNT] = {0, 1, 2, 3};
6653 uint32_t sts[MBOX_REG_COUNT];
6654 uint32_t ip_state;
6655 unsigned long wtime;
6656 int ret;
6657
6658 wtime = jiffies + (HZ * IP_CONFIG_TOV);
6659 do {
6660 for (idx = 0; idx < IP_ADDR_COUNT; idx++) {
6661 if (ip_idx[idx] == -1)
6662 continue;
6663
6664 ret = qla4xxx_get_ip_state(ha, 0, ip_idx[idx], sts);
6665
6666 if (ret == QLA_ERROR) {
6667 ip_idx[idx] = -1;
6668 continue;
6669 }
6670
6671 ip_state = (sts[1] & IP_STATE_MASK) >> IP_STATE_SHIFT;
6672
6673 DEBUG2(ql4_printk(KERN_INFO, ha,
6674 "Waiting for IP state for idx = %d, state = 0x%x\n",
6675 ip_idx[idx], ip_state));
6676 if (ip_state == IP_ADDRSTATE_UNCONFIGURED ||
6677 ip_state == IP_ADDRSTATE_INVALID ||
6678 ip_state == IP_ADDRSTATE_PREFERRED ||
6679 ip_state == IP_ADDRSTATE_DEPRICATED ||
6680 ip_state == IP_ADDRSTATE_DISABLING)
6681 ip_idx[idx] = -1;
6682 }
6683
6684
6685 if ((ip_idx[0] == -1) &&
6686 (ip_idx[1] == -1) &&
6687 (ip_idx[2] == -1) &&
6688 (ip_idx[3] == -1))
6689 break;
6690 schedule_timeout_uninterruptible(HZ);
6691 } while (time_after(wtime, jiffies));
6692}
6693
6694static int qla4xxx_cmp_fw_stentry(struct dev_db_entry *fw_ddb_entry,
6695 struct dev_db_entry *flash_ddb_entry)
6696{
6697 uint16_t options = 0;
6698 size_t ip_len = IP_ADDR_LEN;
6699
6700 options = le16_to_cpu(fw_ddb_entry->options);
6701 if (options & DDB_OPT_IPV6_DEVICE)
6702 ip_len = IPv6_ADDR_LEN;
6703
6704 if (memcmp(fw_ddb_entry->ip_addr, flash_ddb_entry->ip_addr, ip_len))
6705 return QLA_ERROR;
6706
6707 if (memcmp(&fw_ddb_entry->isid[0], &flash_ddb_entry->isid[0],
6708 sizeof(fw_ddb_entry->isid)))
6709 return QLA_ERROR;
6710
6711 if (memcmp(&fw_ddb_entry->port, &flash_ddb_entry->port,
6712 sizeof(fw_ddb_entry->port)))
6713 return QLA_ERROR;
6714
6715 return QLA_SUCCESS;
6716}
6717
6718static int qla4xxx_find_flash_st_idx(struct scsi_qla_host *ha,
6719 struct dev_db_entry *fw_ddb_entry,
6720 uint32_t fw_idx, uint32_t *flash_index)
6721{
6722 struct dev_db_entry *flash_ddb_entry;
6723 dma_addr_t flash_ddb_entry_dma;
6724 uint32_t idx = 0;
6725 int max_ddbs;
6726 int ret = QLA_ERROR, status;
6727
6728 max_ddbs = is_qla40XX(ha) ? MAX_DEV_DB_ENTRIES_40XX :
6729 MAX_DEV_DB_ENTRIES;
6730
6731 flash_ddb_entry = dma_pool_alloc(ha->fw_ddb_dma_pool, GFP_KERNEL,
6732 &flash_ddb_entry_dma);
6733 if (flash_ddb_entry == NULL || fw_ddb_entry == NULL) {
6734 ql4_printk(KERN_ERR, ha, "Out of memory\n");
6735 goto exit_find_st_idx;
6736 }
6737
6738 status = qla4xxx_flashdb_by_index(ha, flash_ddb_entry,
6739 flash_ddb_entry_dma, fw_idx);
6740 if (status == QLA_SUCCESS) {
6741 status = qla4xxx_cmp_fw_stentry(fw_ddb_entry, flash_ddb_entry);
6742 if (status == QLA_SUCCESS) {
6743 *flash_index = fw_idx;
6744 ret = QLA_SUCCESS;
6745 goto exit_find_st_idx;
6746 }
6747 }
6748
6749 for (idx = 0; idx < max_ddbs; idx++) {
6750 status = qla4xxx_flashdb_by_index(ha, flash_ddb_entry,
6751 flash_ddb_entry_dma, idx);
6752 if (status == QLA_ERROR)
6753 continue;
6754
6755 status = qla4xxx_cmp_fw_stentry(fw_ddb_entry, flash_ddb_entry);
6756 if (status == QLA_SUCCESS) {
6757 *flash_index = idx;
6758 ret = QLA_SUCCESS;
6759 goto exit_find_st_idx;
6760 }
6761 }
6762
6763 if (idx == max_ddbs)
6764 ql4_printk(KERN_ERR, ha, "Failed to find ST [%d] in flash\n",
6765 fw_idx);
6766
6767exit_find_st_idx:
6768 if (flash_ddb_entry)
6769 dma_pool_free(ha->fw_ddb_dma_pool, flash_ddb_entry,
6770 flash_ddb_entry_dma);
6771
6772 return ret;
6773}
6774
6775static void qla4xxx_build_st_list(struct scsi_qla_host *ha,
6776 struct list_head *list_st)
6777{
6778 struct qla_ddb_index *st_ddb_idx;
6779 int max_ddbs;
6780 int fw_idx_size;
6781 struct dev_db_entry *fw_ddb_entry;
6782 dma_addr_t fw_ddb_dma;
6783 int ret;
6784 uint32_t idx = 0, next_idx = 0;
6785 uint32_t state = 0, conn_err = 0;
6786 uint32_t flash_index = -1;
6787 uint16_t conn_id = 0;
6788
6789 fw_ddb_entry = dma_pool_alloc(ha->fw_ddb_dma_pool, GFP_KERNEL,
6790 &fw_ddb_dma);
6791 if (fw_ddb_entry == NULL) {
6792 DEBUG2(ql4_printk(KERN_ERR, ha, "Out of memory\n"));
6793 goto exit_st_list;
6794 }
6795
6796 max_ddbs = is_qla40XX(ha) ? MAX_DEV_DB_ENTRIES_40XX :
6797 MAX_DEV_DB_ENTRIES;
6798 fw_idx_size = sizeof(struct qla_ddb_index);
6799
6800 for (idx = 0; idx < max_ddbs; idx = next_idx) {
6801 ret = qla4xxx_get_fwddb_entry(ha, idx, fw_ddb_entry, fw_ddb_dma,
6802 NULL, &next_idx, &state,
6803 &conn_err, NULL, &conn_id);
6804 if (ret == QLA_ERROR)
6805 break;
6806
6807
6808 if (state == DDB_DS_UNASSIGNED)
6809 goto continue_next_st;
6810
6811
6812 if (strlen((char *) fw_ddb_entry->iscsi_name) != 0)
6813 goto continue_next_st;
6814
6815 st_ddb_idx = vzalloc(fw_idx_size);
6816 if (!st_ddb_idx)
6817 break;
6818
6819 ret = qla4xxx_find_flash_st_idx(ha, fw_ddb_entry, idx,
6820 &flash_index);
6821 if (ret == QLA_ERROR) {
6822 ql4_printk(KERN_ERR, ha,
6823 "No flash entry for ST at idx [%d]\n", idx);
6824 st_ddb_idx->flash_ddb_idx = idx;
6825 } else {
6826 ql4_printk(KERN_INFO, ha,
6827 "ST at idx [%d] is stored at flash [%d]\n",
6828 idx, flash_index);
6829 st_ddb_idx->flash_ddb_idx = flash_index;
6830 }
6831
6832 st_ddb_idx->fw_ddb_idx = idx;
6833
6834 list_add_tail(&st_ddb_idx->list, list_st);
6835continue_next_st:
6836 if (next_idx == 0)
6837 break;
6838 }
6839
6840exit_st_list:
6841 if (fw_ddb_entry)
6842 dma_pool_free(ha->fw_ddb_dma_pool, fw_ddb_entry, fw_ddb_dma);
6843}
6844
6845
6846
6847
6848
6849
6850
6851
6852
6853static void qla4xxx_remove_failed_ddb(struct scsi_qla_host *ha,
6854 struct list_head *list_ddb)
6855{
6856 struct qla_ddb_index *ddb_idx, *ddb_idx_tmp;
6857 uint32_t next_idx = 0;
6858 uint32_t state = 0, conn_err = 0;
6859 int ret;
6860
6861 list_for_each_entry_safe(ddb_idx, ddb_idx_tmp, list_ddb, list) {
6862 ret = qla4xxx_get_fwddb_entry(ha, ddb_idx->fw_ddb_idx,
6863 NULL, 0, NULL, &next_idx, &state,
6864 &conn_err, NULL, NULL);
6865 if (ret == QLA_ERROR)
6866 continue;
6867
6868 if (state == DDB_DS_NO_CONNECTION_ACTIVE ||
6869 state == DDB_DS_SESSION_FAILED) {
6870 list_del_init(&ddb_idx->list);
6871 vfree(ddb_idx);
6872 }
6873 }
6874}
6875
6876static void qla4xxx_update_sess_disc_idx(struct scsi_qla_host *ha,
6877 struct ddb_entry *ddb_entry,
6878 struct dev_db_entry *fw_ddb_entry)
6879{
6880 struct iscsi_cls_session *cls_sess;
6881 struct iscsi_session *sess;
6882 uint32_t max_ddbs = 0;
6883 uint16_t ddb_link = -1;
6884
6885 max_ddbs = is_qla40XX(ha) ? MAX_DEV_DB_ENTRIES_40XX :
6886 MAX_DEV_DB_ENTRIES;
6887
6888 cls_sess = ddb_entry->sess;
6889 sess = cls_sess->dd_data;
6890
6891 ddb_link = le16_to_cpu(fw_ddb_entry->ddb_link);
6892 if (ddb_link < max_ddbs)
6893 sess->discovery_parent_idx = ddb_link;
6894 else
6895 sess->discovery_parent_idx = DDB_NO_LINK;
6896}
6897
6898static int qla4xxx_sess_conn_setup(struct scsi_qla_host *ha,
6899 struct dev_db_entry *fw_ddb_entry,
6900 int is_reset, uint16_t idx)
6901{
6902 struct iscsi_cls_session *cls_sess;
6903 struct iscsi_session *sess;
6904 struct iscsi_cls_conn *cls_conn;
6905 struct iscsi_endpoint *ep;
6906 uint16_t cmds_max = 32;
6907 uint16_t conn_id = 0;
6908 uint32_t initial_cmdsn = 0;
6909 int ret = QLA_SUCCESS;
6910
6911 struct ddb_entry *ddb_entry = NULL;
6912
6913
6914
6915
6916 cls_sess = iscsi_session_setup(&qla4xxx_iscsi_transport, ha->host,
6917 cmds_max, sizeof(struct ddb_entry),
6918 sizeof(struct ql4_task_data),
6919 initial_cmdsn, INVALID_ENTRY);
6920 if (!cls_sess) {
6921 ret = QLA_ERROR;
6922 goto exit_setup;
6923 }
6924
6925
6926
6927
6928
6929 module_put(qla4xxx_iscsi_transport.owner);
6930 sess = cls_sess->dd_data;
6931 ddb_entry = sess->dd_data;
6932 ddb_entry->sess = cls_sess;
6933
6934 cls_sess->recovery_tmo = ql4xsess_recovery_tmo;
6935 memcpy(&ddb_entry->fw_ddb_entry, fw_ddb_entry,
6936 sizeof(struct dev_db_entry));
6937
6938 qla4xxx_setup_flash_ddb_entry(ha, ddb_entry, idx);
6939
6940 cls_conn = iscsi_conn_setup(cls_sess, sizeof(struct qla_conn), conn_id);
6941
6942 if (!cls_conn) {
6943 ret = QLA_ERROR;
6944 goto exit_setup;
6945 }
6946
6947 ddb_entry->conn = cls_conn;
6948
6949
6950 ep = qla4xxx_get_ep_fwdb(ha, fw_ddb_entry);
6951 if (ep) {
6952 ep->conn = cls_conn;
6953 cls_conn->ep = ep;
6954 } else {
6955 DEBUG2(ql4_printk(KERN_ERR, ha, "Unable to get ep\n"));
6956 ret = QLA_ERROR;
6957 goto exit_setup;
6958 }
6959
6960
6961 qla4xxx_copy_fwddb_param(ha, fw_ddb_entry, cls_sess, cls_conn);
6962 qla4xxx_update_sess_disc_idx(ha, ddb_entry, fw_ddb_entry);
6963
6964 if (is_reset == RESET_ADAPTER) {
6965 iscsi_block_session(cls_sess);
6966
6967
6968
6969
6970
6971 set_bit(DPC_RELOGIN_DEVICE, &ha->dpc_flags);
6972 set_bit(DF_RELOGIN, &ddb_entry->flags);
6973 }
6974
6975exit_setup:
6976 return ret;
6977}
6978
6979static void qla4xxx_update_fw_ddb_link(struct scsi_qla_host *ha,
6980 struct list_head *list_ddb,
6981 struct dev_db_entry *fw_ddb_entry)
6982{
6983 struct qla_ddb_index *ddb_idx, *ddb_idx_tmp;
6984 uint16_t ddb_link;
6985
6986 ddb_link = le16_to_cpu(fw_ddb_entry->ddb_link);
6987
6988 list_for_each_entry_safe(ddb_idx, ddb_idx_tmp, list_ddb, list) {
6989 if (ddb_idx->fw_ddb_idx == ddb_link) {
6990 DEBUG2(ql4_printk(KERN_INFO, ha,
6991 "Updating NT parent idx from [%d] to [%d]\n",
6992 ddb_link, ddb_idx->flash_ddb_idx));
6993 fw_ddb_entry->ddb_link =
6994 cpu_to_le16(ddb_idx->flash_ddb_idx);
6995 return;
6996 }
6997 }
6998}
6999
7000static void qla4xxx_build_nt_list(struct scsi_qla_host *ha,
7001 struct list_head *list_nt,
7002 struct list_head *list_st,
7003 int is_reset)
7004{
7005 struct dev_db_entry *fw_ddb_entry;
7006 struct ddb_entry *ddb_entry = NULL;
7007 dma_addr_t fw_ddb_dma;
7008 int max_ddbs;
7009 int fw_idx_size;
7010 int ret;
7011 uint32_t idx = 0, next_idx = 0;
7012 uint32_t state = 0, conn_err = 0;
7013 uint32_t ddb_idx = -1;
7014 uint16_t conn_id = 0;
7015 uint16_t ddb_link = -1;
7016 struct qla_ddb_index *nt_ddb_idx;
7017
7018 fw_ddb_entry = dma_pool_alloc(ha->fw_ddb_dma_pool, GFP_KERNEL,
7019 &fw_ddb_dma);
7020 if (fw_ddb_entry == NULL) {
7021 DEBUG2(ql4_printk(KERN_ERR, ha, "Out of memory\n"));
7022 goto exit_nt_list;
7023 }
7024 max_ddbs = is_qla40XX(ha) ? MAX_DEV_DB_ENTRIES_40XX :
7025 MAX_DEV_DB_ENTRIES;
7026 fw_idx_size = sizeof(struct qla_ddb_index);
7027
7028 for (idx = 0; idx < max_ddbs; idx = next_idx) {
7029 ret = qla4xxx_get_fwddb_entry(ha, idx, fw_ddb_entry, fw_ddb_dma,
7030 NULL, &next_idx, &state,
7031 &conn_err, NULL, &conn_id);
7032 if (ret == QLA_ERROR)
7033 break;
7034
7035 if (qla4xxx_verify_boot_idx(ha, idx) != QLA_SUCCESS)
7036 goto continue_next_nt;
7037
7038
7039 if (strlen((char *) fw_ddb_entry->iscsi_name) == 0)
7040 goto continue_next_nt;
7041
7042 ddb_link = le16_to_cpu(fw_ddb_entry->ddb_link);
7043 if (ddb_link < max_ddbs)
7044 qla4xxx_update_fw_ddb_link(ha, list_st, fw_ddb_entry);
7045
7046 if (!(state == DDB_DS_NO_CONNECTION_ACTIVE ||
7047 state == DDB_DS_SESSION_FAILED) &&
7048 (is_reset == INIT_ADAPTER))
7049 goto continue_next_nt;
7050
7051 DEBUG2(ql4_printk(KERN_INFO, ha,
7052 "Adding DDB to session = 0x%x\n", idx));
7053
7054 if (is_reset == INIT_ADAPTER) {
7055 nt_ddb_idx = vmalloc(fw_idx_size);
7056 if (!nt_ddb_idx)
7057 break;
7058
7059 nt_ddb_idx->fw_ddb_idx = idx;
7060
7061
7062
7063
7064
7065 memcpy(&nt_ddb_idx->flash_isid[0],
7066 &fw_ddb_entry->isid[0],
7067 sizeof(nt_ddb_idx->flash_isid));
7068
7069 ret = qla4xxx_is_flash_ddb_exists(ha, list_nt,
7070 fw_ddb_entry);
7071 if (ret == QLA_SUCCESS) {
7072
7073 vfree(nt_ddb_idx);
7074 goto continue_next_nt;
7075 }
7076
7077
7078 memcpy(&nt_ddb_idx->fw_ddb, fw_ddb_entry,
7079 sizeof(struct dev_db_entry));
7080
7081 list_add_tail(&nt_ddb_idx->list, list_nt);
7082 } else if (is_reset == RESET_ADAPTER) {
7083 ret = qla4xxx_is_session_exists(ha, fw_ddb_entry,
7084 &ddb_idx);
7085 if (ret == QLA_SUCCESS) {
7086 ddb_entry = qla4xxx_lookup_ddb_by_fw_index(ha,
7087 ddb_idx);
7088 if (ddb_entry != NULL)
7089 qla4xxx_update_sess_disc_idx(ha,
7090 ddb_entry,
7091 fw_ddb_entry);
7092 goto continue_next_nt;
7093 }
7094 }
7095
7096 ret = qla4xxx_sess_conn_setup(ha, fw_ddb_entry, is_reset, idx);
7097 if (ret == QLA_ERROR)
7098 goto exit_nt_list;
7099
7100continue_next_nt:
7101 if (next_idx == 0)
7102 break;
7103 }
7104
7105exit_nt_list:
7106 if (fw_ddb_entry)
7107 dma_pool_free(ha->fw_ddb_dma_pool, fw_ddb_entry, fw_ddb_dma);
7108}
7109
7110static void qla4xxx_build_new_nt_list(struct scsi_qla_host *ha,
7111 struct list_head *list_nt,
7112 uint16_t target_id)
7113{
7114 struct dev_db_entry *fw_ddb_entry;
7115 dma_addr_t fw_ddb_dma;
7116 int max_ddbs;
7117 int fw_idx_size;
7118 int ret;
7119 uint32_t idx = 0, next_idx = 0;
7120 uint32_t state = 0, conn_err = 0;
7121 uint16_t conn_id = 0;
7122 struct qla_ddb_index *nt_ddb_idx;
7123
7124 fw_ddb_entry = dma_pool_alloc(ha->fw_ddb_dma_pool, GFP_KERNEL,
7125 &fw_ddb_dma);
7126 if (fw_ddb_entry == NULL) {
7127 DEBUG2(ql4_printk(KERN_ERR, ha, "Out of memory\n"));
7128 goto exit_new_nt_list;
7129 }
7130 max_ddbs = is_qla40XX(ha) ? MAX_DEV_DB_ENTRIES_40XX :
7131 MAX_DEV_DB_ENTRIES;
7132 fw_idx_size = sizeof(struct qla_ddb_index);
7133
7134 for (idx = 0; idx < max_ddbs; idx = next_idx) {
7135 ret = qla4xxx_get_fwddb_entry(ha, idx, fw_ddb_entry, fw_ddb_dma,
7136 NULL, &next_idx, &state,
7137 &conn_err, NULL, &conn_id);
7138 if (ret == QLA_ERROR)
7139 break;
7140
7141
7142 if (strlen((char *)fw_ddb_entry->iscsi_name) == 0)
7143 goto continue_next_new_nt;
7144
7145 if (!(state == DDB_DS_NO_CONNECTION_ACTIVE))
7146 goto continue_next_new_nt;
7147
7148 DEBUG2(ql4_printk(KERN_INFO, ha,
7149 "Adding DDB to session = 0x%x\n", idx));
7150
7151 nt_ddb_idx = vmalloc(fw_idx_size);
7152 if (!nt_ddb_idx)
7153 break;
7154
7155 nt_ddb_idx->fw_ddb_idx = idx;
7156
7157 ret = qla4xxx_is_session_exists(ha, fw_ddb_entry, NULL);
7158 if (ret == QLA_SUCCESS) {
7159
7160 vfree(nt_ddb_idx);
7161 goto continue_next_new_nt;
7162 }
7163
7164 if (target_id < max_ddbs)
7165 fw_ddb_entry->ddb_link = cpu_to_le16(target_id);
7166
7167 list_add_tail(&nt_ddb_idx->list, list_nt);
7168
7169 ret = qla4xxx_sess_conn_setup(ha, fw_ddb_entry, RESET_ADAPTER,
7170 idx);
7171 if (ret == QLA_ERROR)
7172 goto exit_new_nt_list;
7173
7174continue_next_new_nt:
7175 if (next_idx == 0)
7176 break;
7177 }
7178
7179exit_new_nt_list:
7180 if (fw_ddb_entry)
7181 dma_pool_free(ha->fw_ddb_dma_pool, fw_ddb_entry, fw_ddb_dma);
7182}
7183
7184
7185
7186
7187
7188
7189
7190
7191
7192
7193static int qla4xxx_sysfs_ddb_is_non_persistent(struct device *dev, void *data)
7194{
7195 struct iscsi_bus_flash_session *fnode_sess;
7196
7197 if (!iscsi_flashnode_bus_match(dev, NULL))
7198 return 0;
7199
7200 fnode_sess = iscsi_dev_to_flash_session(dev);
7201
7202 return (fnode_sess->flash_state == DEV_DB_NON_PERSISTENT);
7203}
7204
7205
7206
7207
7208
7209
7210
7211
7212
7213
7214
7215
7216
7217
7218
7219
7220
7221static int qla4xxx_sysfs_ddb_tgt_create(struct scsi_qla_host *ha,
7222 struct dev_db_entry *fw_ddb_entry,
7223 uint16_t *idx, int user)
7224{
7225 struct iscsi_bus_flash_session *fnode_sess = NULL;
7226 struct iscsi_bus_flash_conn *fnode_conn = NULL;
7227 int rc = QLA_ERROR;
7228
7229 fnode_sess = iscsi_create_flashnode_sess(ha->host, *idx,
7230 &qla4xxx_iscsi_transport, 0);
7231 if (!fnode_sess) {
7232 ql4_printk(KERN_ERR, ha,
7233 "%s: Unable to create session sysfs entry for flashnode %d of host%lu\n",
7234 __func__, *idx, ha->host_no);
7235 goto exit_tgt_create;
7236 }
7237
7238 fnode_conn = iscsi_create_flashnode_conn(ha->host, fnode_sess,
7239 &qla4xxx_iscsi_transport, 0);
7240 if (!fnode_conn) {
7241 ql4_printk(KERN_ERR, ha,
7242 "%s: Unable to create conn sysfs entry for flashnode %d of host%lu\n",
7243 __func__, *idx, ha->host_no);
7244 goto free_sess;
7245 }
7246
7247 if (user) {
7248 fnode_sess->flash_state = DEV_DB_NON_PERSISTENT;
7249 } else {
7250 fnode_sess->flash_state = DEV_DB_PERSISTENT;
7251
7252 if (*idx == ha->pri_ddb_idx || *idx == ha->sec_ddb_idx)
7253 fnode_sess->is_boot_target = 1;
7254 else
7255 fnode_sess->is_boot_target = 0;
7256 }
7257
7258 rc = qla4xxx_copy_from_fwddb_param(fnode_sess, fnode_conn,
7259 fw_ddb_entry);
7260 if (rc)
7261 goto free_sess;
7262
7263 ql4_printk(KERN_INFO, ha, "%s: sysfs entry %s created\n",
7264 __func__, fnode_sess->dev.kobj.name);
7265
7266 ql4_printk(KERN_INFO, ha, "%s: sysfs entry %s created\n",
7267 __func__, fnode_conn->dev.kobj.name);
7268
7269 return QLA_SUCCESS;
7270
7271free_sess:
7272 iscsi_destroy_flashnode_sess(fnode_sess);
7273
7274exit_tgt_create:
7275 return QLA_ERROR;
7276}
7277
7278
7279
7280
7281
7282
7283
7284
7285
7286
7287static int qla4xxx_sysfs_ddb_add(struct Scsi_Host *shost, const char *buf,
7288 int len)
7289{
7290 struct scsi_qla_host *ha = to_qla_host(shost);
7291 struct dev_db_entry *fw_ddb_entry = NULL;
7292 dma_addr_t fw_ddb_entry_dma;
7293 struct device *dev;
7294 uint16_t idx = 0;
7295 uint16_t max_ddbs = 0;
7296 uint32_t options = 0;
7297 uint32_t rval = QLA_ERROR;
7298
7299 if (strncasecmp(PORTAL_TYPE_IPV4, buf, 4) &&
7300 strncasecmp(PORTAL_TYPE_IPV6, buf, 4)) {
7301 DEBUG2(ql4_printk(KERN_ERR, ha, "%s: Invalid portal type\n",
7302 __func__));
7303 goto exit_ddb_add;
7304 }
7305
7306 max_ddbs = is_qla40XX(ha) ? MAX_PRST_DEV_DB_ENTRIES :
7307 MAX_DEV_DB_ENTRIES;
7308
7309 fw_ddb_entry = dma_alloc_coherent(&ha->pdev->dev, sizeof(*fw_ddb_entry),
7310 &fw_ddb_entry_dma, GFP_KERNEL);
7311 if (!fw_ddb_entry) {
7312 DEBUG2(ql4_printk(KERN_ERR, ha,
7313 "%s: Unable to allocate dma buffer\n",
7314 __func__));
7315 goto exit_ddb_add;
7316 }
7317
7318 dev = iscsi_find_flashnode_sess(ha->host, NULL,
7319 qla4xxx_sysfs_ddb_is_non_persistent);
7320 if (dev) {
7321 ql4_printk(KERN_ERR, ha,
7322 "%s: A non-persistent entry %s found\n",
7323 __func__, dev->kobj.name);
7324 put_device(dev);
7325 goto exit_ddb_add;
7326 }
7327
7328
7329 for (idx = 2; idx < max_ddbs; idx++) {
7330 if (qla4xxx_flashdb_by_index(ha, fw_ddb_entry,
7331 fw_ddb_entry_dma, idx))
7332 break;
7333 }
7334
7335 if (idx == max_ddbs)
7336 goto exit_ddb_add;
7337
7338 if (!strncasecmp("ipv6", buf, 4))
7339 options |= IPV6_DEFAULT_DDB_ENTRY;
7340
7341 rval = qla4xxx_get_default_ddb(ha, options, fw_ddb_entry_dma);
7342 if (rval == QLA_ERROR)
7343 goto exit_ddb_add;
7344
7345 rval = qla4xxx_sysfs_ddb_tgt_create(ha, fw_ddb_entry, &idx, 1);
7346
7347exit_ddb_add:
7348 if (fw_ddb_entry)
7349 dma_free_coherent(&ha->pdev->dev, sizeof(*fw_ddb_entry),
7350 fw_ddb_entry, fw_ddb_entry_dma);
7351 if (rval == QLA_SUCCESS)
7352 return idx;
7353 else
7354 return -EIO;
7355}
7356
7357
7358
7359
7360
7361
7362
7363
7364
7365static int qla4xxx_sysfs_ddb_apply(struct iscsi_bus_flash_session *fnode_sess,
7366 struct iscsi_bus_flash_conn *fnode_conn)
7367{
7368 struct Scsi_Host *shost = iscsi_flash_session_to_shost(fnode_sess);
7369 struct scsi_qla_host *ha = to_qla_host(shost);
7370 uint32_t dev_db_start_offset = FLASH_OFFSET_DB_INFO;
7371 struct dev_db_entry *fw_ddb_entry = NULL;
7372 dma_addr_t fw_ddb_entry_dma;
7373 uint32_t options = 0;
7374 int rval = 0;
7375
7376 fw_ddb_entry = dma_alloc_coherent(&ha->pdev->dev, sizeof(*fw_ddb_entry),
7377 &fw_ddb_entry_dma, GFP_KERNEL);
7378 if (!fw_ddb_entry) {
7379 DEBUG2(ql4_printk(KERN_ERR, ha,
7380 "%s: Unable to allocate dma buffer\n",
7381 __func__));
7382 rval = -ENOMEM;
7383 goto exit_ddb_apply;
7384 }
7385
7386 if (!strncasecmp(fnode_sess->portal_type, PORTAL_TYPE_IPV6, 4))
7387 options |= IPV6_DEFAULT_DDB_ENTRY;
7388
7389 rval = qla4xxx_get_default_ddb(ha, options, fw_ddb_entry_dma);
7390 if (rval == QLA_ERROR)
7391 goto exit_ddb_apply;
7392
7393 dev_db_start_offset += (fnode_sess->target_id *
7394 sizeof(*fw_ddb_entry));
7395
7396 qla4xxx_copy_to_fwddb_param(fnode_sess, fnode_conn, fw_ddb_entry);
7397 fw_ddb_entry->cookie = DDB_VALID_COOKIE;
7398
7399 rval = qla4xxx_set_flash(ha, fw_ddb_entry_dma, dev_db_start_offset,
7400 sizeof(*fw_ddb_entry), FLASH_OPT_RMW_COMMIT);
7401
7402 if (rval == QLA_SUCCESS) {
7403 fnode_sess->flash_state = DEV_DB_PERSISTENT;
7404 ql4_printk(KERN_INFO, ha,
7405 "%s: flash node %u of host %lu written to flash\n",
7406 __func__, fnode_sess->target_id, ha->host_no);
7407 } else {
7408 rval = -EIO;
7409 ql4_printk(KERN_ERR, ha,
7410 "%s: Error while writing flash node %u of host %lu to flash\n",
7411 __func__, fnode_sess->target_id, ha->host_no);
7412 }
7413
7414exit_ddb_apply:
7415 if (fw_ddb_entry)
7416 dma_free_coherent(&ha->pdev->dev, sizeof(*fw_ddb_entry),
7417 fw_ddb_entry, fw_ddb_entry_dma);
7418 return rval;
7419}
7420
7421static ssize_t qla4xxx_sysfs_ddb_conn_open(struct scsi_qla_host *ha,
7422 struct dev_db_entry *fw_ddb_entry,
7423 uint16_t idx)
7424{
7425 struct dev_db_entry *ddb_entry = NULL;
7426 dma_addr_t ddb_entry_dma;
7427 unsigned long wtime;
7428 uint32_t mbx_sts = 0;
7429 uint32_t state = 0, conn_err = 0;
7430 uint16_t tmo = 0;
7431 int ret = 0;
7432
7433 ddb_entry = dma_alloc_coherent(&ha->pdev->dev, sizeof(*ddb_entry),
7434 &ddb_entry_dma, GFP_KERNEL);
7435 if (!ddb_entry) {
7436 DEBUG2(ql4_printk(KERN_ERR, ha,
7437 "%s: Unable to allocate dma buffer\n",
7438 __func__));
7439 return QLA_ERROR;
7440 }
7441
7442 memcpy(ddb_entry, fw_ddb_entry, sizeof(*ddb_entry));
7443
7444 ret = qla4xxx_set_ddb_entry(ha, idx, ddb_entry_dma, &mbx_sts);
7445 if (ret != QLA_SUCCESS) {
7446 DEBUG2(ql4_printk(KERN_ERR, ha,
7447 "%s: Unable to set ddb entry for index %d\n",
7448 __func__, idx));
7449 goto exit_ddb_conn_open;
7450 }
7451
7452 qla4xxx_conn_open(ha, idx);
7453
7454
7455 tmo = ((ha->def_timeout > LOGIN_TOV) &&
7456 (ha->def_timeout < LOGIN_TOV * 10) ?
7457 ha->def_timeout : LOGIN_TOV);
7458
7459 DEBUG2(ql4_printk(KERN_INFO, ha,
7460 "Default time to wait for login to ddb %d\n", tmo));
7461
7462 wtime = jiffies + (HZ * tmo);
7463 do {
7464 ret = qla4xxx_get_fwddb_entry(ha, idx, NULL, 0, NULL,
7465 NULL, &state, &conn_err, NULL,
7466 NULL);
7467 if (ret == QLA_ERROR)
7468 continue;
7469
7470 if (state == DDB_DS_NO_CONNECTION_ACTIVE ||
7471 state == DDB_DS_SESSION_FAILED)
7472 break;
7473
7474 schedule_timeout_uninterruptible(HZ / 10);
7475 } while (time_after(wtime, jiffies));
7476
7477exit_ddb_conn_open:
7478 if (ddb_entry)
7479 dma_free_coherent(&ha->pdev->dev, sizeof(*ddb_entry),
7480 ddb_entry, ddb_entry_dma);
7481 return ret;
7482}
7483
7484static int qla4xxx_ddb_login_st(struct scsi_qla_host *ha,
7485 struct dev_db_entry *fw_ddb_entry,
7486 uint16_t target_id)
7487{
7488 struct qla_ddb_index *ddb_idx, *ddb_idx_tmp;
7489 struct list_head list_nt;
7490 uint16_t ddb_index;
7491 int ret = 0;
7492
7493 if (test_bit(AF_ST_DISCOVERY_IN_PROGRESS, &ha->flags)) {
7494 ql4_printk(KERN_WARNING, ha,
7495 "%s: A discovery already in progress!\n", __func__);
7496 return QLA_ERROR;
7497 }
7498
7499 INIT_LIST_HEAD(&list_nt);
7500
7501 set_bit(AF_ST_DISCOVERY_IN_PROGRESS, &ha->flags);
7502
7503 ret = qla4xxx_get_ddb_index(ha, &ddb_index);
7504 if (ret == QLA_ERROR)
7505 goto exit_login_st_clr_bit;
7506
7507 ret = qla4xxx_sysfs_ddb_conn_open(ha, fw_ddb_entry, ddb_index);
7508 if (ret == QLA_ERROR)
7509 goto exit_login_st;
7510
7511 qla4xxx_build_new_nt_list(ha, &list_nt, target_id);
7512
7513 list_for_each_entry_safe(ddb_idx, ddb_idx_tmp, &list_nt, list) {
7514 list_del_init(&ddb_idx->list);
7515 qla4xxx_clear_ddb_entry(ha, ddb_idx->fw_ddb_idx);
7516 vfree(ddb_idx);
7517 }
7518
7519exit_login_st:
7520 if (qla4xxx_clear_ddb_entry(ha, ddb_index) == QLA_ERROR) {
7521 ql4_printk(KERN_ERR, ha,
7522 "Unable to clear DDB index = 0x%x\n", ddb_index);
7523 }
7524
7525 clear_bit(ddb_index, ha->ddb_idx_map);
7526
7527exit_login_st_clr_bit:
7528 clear_bit(AF_ST_DISCOVERY_IN_PROGRESS, &ha->flags);
7529 return ret;
7530}
7531
7532static int qla4xxx_ddb_login_nt(struct scsi_qla_host *ha,
7533 struct dev_db_entry *fw_ddb_entry,
7534 uint16_t idx)
7535{
7536 int ret = QLA_ERROR;
7537
7538 ret = qla4xxx_is_session_exists(ha, fw_ddb_entry, NULL);
7539 if (ret != QLA_SUCCESS)
7540 ret = qla4xxx_sess_conn_setup(ha, fw_ddb_entry, RESET_ADAPTER,
7541 idx);
7542 else
7543 ret = -EPERM;
7544
7545 return ret;
7546}
7547
7548
7549
7550
7551
7552
7553
7554
7555static int qla4xxx_sysfs_ddb_login(struct iscsi_bus_flash_session *fnode_sess,
7556 struct iscsi_bus_flash_conn *fnode_conn)
7557{
7558 struct Scsi_Host *shost = iscsi_flash_session_to_shost(fnode_sess);
7559 struct scsi_qla_host *ha = to_qla_host(shost);
7560 struct dev_db_entry *fw_ddb_entry = NULL;
7561 dma_addr_t fw_ddb_entry_dma;
7562 uint32_t options = 0;
7563 int ret = 0;
7564
7565 if (fnode_sess->flash_state == DEV_DB_NON_PERSISTENT) {
7566 ql4_printk(KERN_ERR, ha,
7567 "%s: Target info is not persistent\n", __func__);
7568 ret = -EIO;
7569 goto exit_ddb_login;
7570 }
7571
7572 fw_ddb_entry = dma_alloc_coherent(&ha->pdev->dev, sizeof(*fw_ddb_entry),
7573 &fw_ddb_entry_dma, GFP_KERNEL);
7574 if (!fw_ddb_entry) {
7575 DEBUG2(ql4_printk(KERN_ERR, ha,
7576 "%s: Unable to allocate dma buffer\n",
7577 __func__));
7578 ret = -ENOMEM;
7579 goto exit_ddb_login;
7580 }
7581
7582 if (!strncasecmp(fnode_sess->portal_type, PORTAL_TYPE_IPV6, 4))
7583 options |= IPV6_DEFAULT_DDB_ENTRY;
7584
7585 ret = qla4xxx_get_default_ddb(ha, options, fw_ddb_entry_dma);
7586 if (ret == QLA_ERROR)
7587 goto exit_ddb_login;
7588
7589 qla4xxx_copy_to_fwddb_param(fnode_sess, fnode_conn, fw_ddb_entry);
7590 fw_ddb_entry->cookie = DDB_VALID_COOKIE;
7591
7592 if (strlen((char *)fw_ddb_entry->iscsi_name) == 0)
7593 ret = qla4xxx_ddb_login_st(ha, fw_ddb_entry,
7594 fnode_sess->target_id);
7595 else
7596 ret = qla4xxx_ddb_login_nt(ha, fw_ddb_entry,
7597 fnode_sess->target_id);
7598
7599 if (ret > 0)
7600 ret = -EIO;
7601
7602exit_ddb_login:
7603 if (fw_ddb_entry)
7604 dma_free_coherent(&ha->pdev->dev, sizeof(*fw_ddb_entry),
7605 fw_ddb_entry, fw_ddb_entry_dma);
7606 return ret;
7607}
7608
7609
7610
7611
7612
7613
7614
7615static int qla4xxx_sysfs_ddb_logout_sid(struct iscsi_cls_session *cls_sess)
7616{
7617 struct iscsi_session *sess;
7618 struct ddb_entry *ddb_entry = NULL;
7619 struct scsi_qla_host *ha;
7620 struct dev_db_entry *fw_ddb_entry = NULL;
7621 dma_addr_t fw_ddb_entry_dma;
7622 unsigned long flags;
7623 unsigned long wtime;
7624 uint32_t ddb_state;
7625 int options;
7626 int ret = 0;
7627
7628 sess = cls_sess->dd_data;
7629 ddb_entry = sess->dd_data;
7630 ha = ddb_entry->ha;
7631
7632 if (ddb_entry->ddb_type != FLASH_DDB) {
7633 ql4_printk(KERN_ERR, ha, "%s: Not a flash node session\n",
7634 __func__);
7635 ret = -ENXIO;
7636 goto exit_ddb_logout;
7637 }
7638
7639 if (test_bit(DF_BOOT_TGT, &ddb_entry->flags)) {
7640 ql4_printk(KERN_ERR, ha,
7641 "%s: Logout from boot target entry is not permitted.\n",
7642 __func__);
7643 ret = -EPERM;
7644 goto exit_ddb_logout;
7645 }
7646
7647 fw_ddb_entry = dma_alloc_coherent(&ha->pdev->dev, sizeof(*fw_ddb_entry),
7648 &fw_ddb_entry_dma, GFP_KERNEL);
7649 if (!fw_ddb_entry) {
7650 ql4_printk(KERN_ERR, ha,
7651 "%s: Unable to allocate dma buffer\n", __func__);
7652 ret = -ENOMEM;
7653 goto exit_ddb_logout;
7654 }
7655
7656 if (test_and_set_bit(DF_DISABLE_RELOGIN, &ddb_entry->flags))
7657 goto ddb_logout_init;
7658
7659 ret = qla4xxx_get_fwddb_entry(ha, ddb_entry->fw_ddb_index,
7660 fw_ddb_entry, fw_ddb_entry_dma,
7661 NULL, NULL, &ddb_state, NULL,
7662 NULL, NULL);
7663 if (ret == QLA_ERROR)
7664 goto ddb_logout_init;
7665
7666 if (ddb_state == DDB_DS_SESSION_ACTIVE)
7667 goto ddb_logout_init;
7668
7669
7670
7671
7672 wtime = jiffies + (HZ * RELOGIN_TOV);
7673 do {
7674 if (test_and_clear_bit(DF_RELOGIN, &ddb_entry->flags))
7675 goto ddb_logout_init;
7676
7677 schedule_timeout_uninterruptible(HZ);
7678 } while ((time_after(wtime, jiffies)));
7679
7680ddb_logout_init:
7681 atomic_set(&ddb_entry->retry_relogin_timer, INVALID_ENTRY);
7682 atomic_set(&ddb_entry->relogin_timer, 0);
7683
7684 options = LOGOUT_OPTION_CLOSE_SESSION;
7685 qla4xxx_session_logout_ddb(ha, ddb_entry, options);
7686
7687 memset(fw_ddb_entry, 0, sizeof(*fw_ddb_entry));
7688 wtime = jiffies + (HZ * LOGOUT_TOV);
7689 do {
7690 ret = qla4xxx_get_fwddb_entry(ha, ddb_entry->fw_ddb_index,
7691 fw_ddb_entry, fw_ddb_entry_dma,
7692 NULL, NULL, &ddb_state, NULL,
7693 NULL, NULL);
7694 if (ret == QLA_ERROR)
7695 goto ddb_logout_clr_sess;
7696
7697 if ((ddb_state == DDB_DS_NO_CONNECTION_ACTIVE) ||
7698 (ddb_state == DDB_DS_SESSION_FAILED))
7699 goto ddb_logout_clr_sess;
7700
7701 schedule_timeout_uninterruptible(HZ);
7702 } while ((time_after(wtime, jiffies)));
7703
7704ddb_logout_clr_sess:
7705 qla4xxx_clear_ddb_entry(ha, ddb_entry->fw_ddb_index);
7706
7707
7708
7709
7710
7711
7712 try_module_get(qla4xxx_iscsi_transport.owner);
7713 iscsi_destroy_endpoint(ddb_entry->conn->ep);
7714
7715 spin_lock_irqsave(&ha->hardware_lock, flags);
7716 qla4xxx_free_ddb(ha, ddb_entry);
7717 clear_bit(ddb_entry->fw_ddb_index, ha->ddb_idx_map);
7718 spin_unlock_irqrestore(&ha->hardware_lock, flags);
7719
7720 iscsi_session_teardown(ddb_entry->sess);
7721
7722 clear_bit(DF_DISABLE_RELOGIN, &ddb_entry->flags);
7723 ret = QLA_SUCCESS;
7724
7725exit_ddb_logout:
7726 if (fw_ddb_entry)
7727 dma_free_coherent(&ha->pdev->dev, sizeof(*fw_ddb_entry),
7728 fw_ddb_entry, fw_ddb_entry_dma);
7729 return ret;
7730}
7731
7732
7733
7734
7735
7736
7737
7738
7739static int qla4xxx_sysfs_ddb_logout(struct iscsi_bus_flash_session *fnode_sess,
7740 struct iscsi_bus_flash_conn *fnode_conn)
7741{
7742 struct Scsi_Host *shost = iscsi_flash_session_to_shost(fnode_sess);
7743 struct scsi_qla_host *ha = to_qla_host(shost);
7744 struct ql4_tuple_ddb *flash_tddb = NULL;
7745 struct ql4_tuple_ddb *tmp_tddb = NULL;
7746 struct dev_db_entry *fw_ddb_entry = NULL;
7747 struct ddb_entry *ddb_entry = NULL;
7748 dma_addr_t fw_ddb_dma;
7749 uint32_t next_idx = 0;
7750 uint32_t state = 0, conn_err = 0;
7751 uint16_t conn_id = 0;
7752 int idx, index;
7753 int status, ret = 0;
7754
7755 fw_ddb_entry = dma_pool_alloc(ha->fw_ddb_dma_pool, GFP_KERNEL,
7756 &fw_ddb_dma);
7757 if (fw_ddb_entry == NULL) {
7758 ql4_printk(KERN_ERR, ha, "%s:Out of memory\n", __func__);
7759 ret = -ENOMEM;
7760 goto exit_ddb_logout;
7761 }
7762
7763 flash_tddb = vzalloc(sizeof(*flash_tddb));
7764 if (!flash_tddb) {
7765 ql4_printk(KERN_WARNING, ha,
7766 "%s:Memory Allocation failed.\n", __func__);
7767 ret = -ENOMEM;
7768 goto exit_ddb_logout;
7769 }
7770
7771 tmp_tddb = vzalloc(sizeof(*tmp_tddb));
7772 if (!tmp_tddb) {
7773 ql4_printk(KERN_WARNING, ha,
7774 "%s:Memory Allocation failed.\n", __func__);
7775 ret = -ENOMEM;
7776 goto exit_ddb_logout;
7777 }
7778
7779 if (!fnode_sess->targetname) {
7780 ql4_printk(KERN_ERR, ha,
7781 "%s:Cannot logout from SendTarget entry\n",
7782 __func__);
7783 ret = -EPERM;
7784 goto exit_ddb_logout;
7785 }
7786
7787 if (fnode_sess->is_boot_target) {
7788 ql4_printk(KERN_ERR, ha,
7789 "%s: Logout from boot target entry is not permitted.\n",
7790 __func__);
7791 ret = -EPERM;
7792 goto exit_ddb_logout;
7793 }
7794
7795 strlcpy(flash_tddb->iscsi_name, fnode_sess->targetname,
7796 ISCSI_NAME_SIZE);
7797
7798 if (!strncmp(fnode_sess->portal_type, PORTAL_TYPE_IPV6, 4))
7799 sprintf(flash_tddb->ip_addr, "%pI6", fnode_conn->ipaddress);
7800 else
7801 sprintf(flash_tddb->ip_addr, "%pI4", fnode_conn->ipaddress);
7802
7803 flash_tddb->tpgt = fnode_sess->tpgt;
7804 flash_tddb->port = fnode_conn->port;
7805
7806 COPY_ISID(flash_tddb->isid, fnode_sess->isid);
7807
7808 for (idx = 0; idx < MAX_DDB_ENTRIES; idx++) {
7809 ddb_entry = qla4xxx_lookup_ddb_by_fw_index(ha, idx);
7810 if (ddb_entry == NULL)
7811 continue;
7812
7813 if (ddb_entry->ddb_type != FLASH_DDB)
7814 continue;
7815
7816 index = ddb_entry->sess->target_id;
7817 status = qla4xxx_get_fwddb_entry(ha, index, fw_ddb_entry,
7818 fw_ddb_dma, NULL, &next_idx,
7819 &state, &conn_err, NULL,
7820 &conn_id);
7821 if (status == QLA_ERROR) {
7822 ret = -ENOMEM;
7823 break;
7824 }
7825
7826 qla4xxx_convert_param_ddb(fw_ddb_entry, tmp_tddb, NULL);
7827
7828 status = qla4xxx_compare_tuple_ddb(ha, flash_tddb, tmp_tddb,
7829 true);
7830 if (status == QLA_SUCCESS) {
7831 ret = qla4xxx_sysfs_ddb_logout_sid(ddb_entry->sess);
7832 break;
7833 }
7834 }
7835
7836 if (idx == MAX_DDB_ENTRIES)
7837 ret = -ESRCH;
7838
7839exit_ddb_logout:
7840 if (flash_tddb)
7841 vfree(flash_tddb);
7842 if (tmp_tddb)
7843 vfree(tmp_tddb);
7844 if (fw_ddb_entry)
7845 dma_pool_free(ha->fw_ddb_dma_pool, fw_ddb_entry, fw_ddb_dma);
7846
7847 return ret;
7848}
7849
7850static int
7851qla4xxx_sysfs_ddb_get_param(struct iscsi_bus_flash_session *fnode_sess,
7852 int param, char *buf)
7853{
7854 struct Scsi_Host *shost = iscsi_flash_session_to_shost(fnode_sess);
7855 struct scsi_qla_host *ha = to_qla_host(shost);
7856 struct iscsi_bus_flash_conn *fnode_conn;
7857 struct ql4_chap_table chap_tbl;
7858 struct device *dev;
7859 int parent_type;
7860 int rc = 0;
7861
7862 dev = iscsi_find_flashnode_conn(fnode_sess);
7863 if (!dev)
7864 return -EIO;
7865
7866 fnode_conn = iscsi_dev_to_flash_conn(dev);
7867
7868 switch (param) {
7869 case ISCSI_FLASHNODE_IS_FW_ASSIGNED_IPV6:
7870 rc = sprintf(buf, "%u\n", fnode_conn->is_fw_assigned_ipv6);
7871 break;
7872 case ISCSI_FLASHNODE_PORTAL_TYPE:
7873 rc = sprintf(buf, "%s\n", fnode_sess->portal_type);
7874 break;
7875 case ISCSI_FLASHNODE_AUTO_SND_TGT_DISABLE:
7876 rc = sprintf(buf, "%u\n", fnode_sess->auto_snd_tgt_disable);
7877 break;
7878 case ISCSI_FLASHNODE_DISCOVERY_SESS:
7879 rc = sprintf(buf, "%u\n", fnode_sess->discovery_sess);
7880 break;
7881 case ISCSI_FLASHNODE_ENTRY_EN:
7882 rc = sprintf(buf, "%u\n", fnode_sess->entry_state);
7883 break;
7884 case ISCSI_FLASHNODE_HDR_DGST_EN:
7885 rc = sprintf(buf, "%u\n", fnode_conn->hdrdgst_en);
7886 break;
7887 case ISCSI_FLASHNODE_DATA_DGST_EN:
7888 rc = sprintf(buf, "%u\n", fnode_conn->datadgst_en);
7889 break;
7890 case ISCSI_FLASHNODE_IMM_DATA_EN:
7891 rc = sprintf(buf, "%u\n", fnode_sess->imm_data_en);
7892 break;
7893 case ISCSI_FLASHNODE_INITIAL_R2T_EN:
7894 rc = sprintf(buf, "%u\n", fnode_sess->initial_r2t_en);
7895 break;
7896 case ISCSI_FLASHNODE_DATASEQ_INORDER:
7897 rc = sprintf(buf, "%u\n", fnode_sess->dataseq_inorder_en);
7898 break;
7899 case ISCSI_FLASHNODE_PDU_INORDER:
7900 rc = sprintf(buf, "%u\n", fnode_sess->pdu_inorder_en);
7901 break;
7902 case ISCSI_FLASHNODE_CHAP_AUTH_EN:
7903 rc = sprintf(buf, "%u\n", fnode_sess->chap_auth_en);
7904 break;
7905 case ISCSI_FLASHNODE_SNACK_REQ_EN:
7906 rc = sprintf(buf, "%u\n", fnode_conn->snack_req_en);
7907 break;
7908 case ISCSI_FLASHNODE_DISCOVERY_LOGOUT_EN:
7909 rc = sprintf(buf, "%u\n", fnode_sess->discovery_logout_en);
7910 break;
7911 case ISCSI_FLASHNODE_BIDI_CHAP_EN:
7912 rc = sprintf(buf, "%u\n", fnode_sess->bidi_chap_en);
7913 break;
7914 case ISCSI_FLASHNODE_DISCOVERY_AUTH_OPTIONAL:
7915 rc = sprintf(buf, "%u\n", fnode_sess->discovery_auth_optional);
7916 break;
7917 case ISCSI_FLASHNODE_ERL:
7918 rc = sprintf(buf, "%u\n", fnode_sess->erl);
7919 break;
7920 case ISCSI_FLASHNODE_TCP_TIMESTAMP_STAT:
7921 rc = sprintf(buf, "%u\n", fnode_conn->tcp_timestamp_stat);
7922 break;
7923 case ISCSI_FLASHNODE_TCP_NAGLE_DISABLE:
7924 rc = sprintf(buf, "%u\n", fnode_conn->tcp_nagle_disable);
7925 break;
7926 case ISCSI_FLASHNODE_TCP_WSF_DISABLE:
7927 rc = sprintf(buf, "%u\n", fnode_conn->tcp_wsf_disable);
7928 break;
7929 case ISCSI_FLASHNODE_TCP_TIMER_SCALE:
7930 rc = sprintf(buf, "%u\n", fnode_conn->tcp_timer_scale);
7931 break;
7932 case ISCSI_FLASHNODE_TCP_TIMESTAMP_EN:
7933 rc = sprintf(buf, "%u\n", fnode_conn->tcp_timestamp_en);
7934 break;
7935 case ISCSI_FLASHNODE_IP_FRAG_DISABLE:
7936 rc = sprintf(buf, "%u\n", fnode_conn->fragment_disable);
7937 break;
7938 case ISCSI_FLASHNODE_MAX_RECV_DLENGTH:
7939 rc = sprintf(buf, "%u\n", fnode_conn->max_recv_dlength);
7940 break;
7941 case ISCSI_FLASHNODE_MAX_XMIT_DLENGTH:
7942 rc = sprintf(buf, "%u\n", fnode_conn->max_xmit_dlength);
7943 break;
7944 case ISCSI_FLASHNODE_FIRST_BURST:
7945 rc = sprintf(buf, "%u\n", fnode_sess->first_burst);
7946 break;
7947 case ISCSI_FLASHNODE_DEF_TIME2WAIT:
7948 rc = sprintf(buf, "%u\n", fnode_sess->time2wait);
7949 break;
7950 case ISCSI_FLASHNODE_DEF_TIME2RETAIN:
7951 rc = sprintf(buf, "%u\n", fnode_sess->time2retain);
7952 break;
7953 case ISCSI_FLASHNODE_MAX_R2T:
7954 rc = sprintf(buf, "%u\n", fnode_sess->max_r2t);
7955 break;
7956 case ISCSI_FLASHNODE_KEEPALIVE_TMO:
7957 rc = sprintf(buf, "%u\n", fnode_conn->keepalive_timeout);
7958 break;
7959 case ISCSI_FLASHNODE_ISID:
7960 rc = sprintf(buf, "%pm\n", fnode_sess->isid);
7961 break;
7962 case ISCSI_FLASHNODE_TSID:
7963 rc = sprintf(buf, "%u\n", fnode_sess->tsid);
7964 break;
7965 case ISCSI_FLASHNODE_PORT:
7966 rc = sprintf(buf, "%d\n", fnode_conn->port);
7967 break;
7968 case ISCSI_FLASHNODE_MAX_BURST:
7969 rc = sprintf(buf, "%u\n", fnode_sess->max_burst);
7970 break;
7971 case ISCSI_FLASHNODE_DEF_TASKMGMT_TMO:
7972 rc = sprintf(buf, "%u\n",
7973 fnode_sess->default_taskmgmt_timeout);
7974 break;
7975 case ISCSI_FLASHNODE_IPADDR:
7976 if (!strncmp(fnode_sess->portal_type, PORTAL_TYPE_IPV6, 4))
7977 rc = sprintf(buf, "%pI6\n", fnode_conn->ipaddress);
7978 else
7979 rc = sprintf(buf, "%pI4\n", fnode_conn->ipaddress);
7980 break;
7981 case ISCSI_FLASHNODE_ALIAS:
7982 if (fnode_sess->targetalias)
7983 rc = sprintf(buf, "%s\n", fnode_sess->targetalias);
7984 else
7985 rc = sprintf(buf, "\n");
7986 break;
7987 case ISCSI_FLASHNODE_REDIRECT_IPADDR:
7988 if (!strncmp(fnode_sess->portal_type, PORTAL_TYPE_IPV6, 4))
7989 rc = sprintf(buf, "%pI6\n",
7990 fnode_conn->redirect_ipaddr);
7991 else
7992 rc = sprintf(buf, "%pI4\n",
7993 fnode_conn->redirect_ipaddr);
7994 break;
7995 case ISCSI_FLASHNODE_MAX_SEGMENT_SIZE:
7996 rc = sprintf(buf, "%u\n", fnode_conn->max_segment_size);
7997 break;
7998 case ISCSI_FLASHNODE_LOCAL_PORT:
7999 rc = sprintf(buf, "%u\n", fnode_conn->local_port);
8000 break;
8001 case ISCSI_FLASHNODE_IPV4_TOS:
8002 rc = sprintf(buf, "%u\n", fnode_conn->ipv4_tos);
8003 break;
8004 case ISCSI_FLASHNODE_IPV6_TC:
8005 if (!strncmp(fnode_sess->portal_type, PORTAL_TYPE_IPV6, 4))
8006 rc = sprintf(buf, "%u\n",
8007 fnode_conn->ipv6_traffic_class);
8008 else
8009 rc = sprintf(buf, "\n");
8010 break;
8011 case ISCSI_FLASHNODE_IPV6_FLOW_LABEL:
8012 rc = sprintf(buf, "%u\n", fnode_conn->ipv6_flow_label);
8013 break;
8014 case ISCSI_FLASHNODE_LINK_LOCAL_IPV6:
8015 if (!strncmp(fnode_sess->portal_type, PORTAL_TYPE_IPV6, 4))
8016 rc = sprintf(buf, "%pI6\n",
8017 fnode_conn->link_local_ipv6_addr);
8018 else
8019 rc = sprintf(buf, "\n");
8020 break;
8021 case ISCSI_FLASHNODE_DISCOVERY_PARENT_IDX:
8022 rc = sprintf(buf, "%u\n", fnode_sess->discovery_parent_idx);
8023 break;
8024 case ISCSI_FLASHNODE_DISCOVERY_PARENT_TYPE:
8025 if (fnode_sess->discovery_parent_type == DDB_ISNS)
8026 parent_type = ISCSI_DISC_PARENT_ISNS;
8027 else if (fnode_sess->discovery_parent_type == DDB_NO_LINK)
8028 parent_type = ISCSI_DISC_PARENT_UNKNOWN;
8029 else if (fnode_sess->discovery_parent_type < MAX_DDB_ENTRIES)
8030 parent_type = ISCSI_DISC_PARENT_SENDTGT;
8031 else
8032 parent_type = ISCSI_DISC_PARENT_UNKNOWN;
8033
8034 rc = sprintf(buf, "%s\n",
8035 iscsi_get_discovery_parent_name(parent_type));
8036 break;
8037 case ISCSI_FLASHNODE_NAME:
8038 if (fnode_sess->targetname)
8039 rc = sprintf(buf, "%s\n", fnode_sess->targetname);
8040 else
8041 rc = sprintf(buf, "\n");
8042 break;
8043 case ISCSI_FLASHNODE_TPGT:
8044 rc = sprintf(buf, "%u\n", fnode_sess->tpgt);
8045 break;
8046 case ISCSI_FLASHNODE_TCP_XMIT_WSF:
8047 rc = sprintf(buf, "%u\n", fnode_conn->tcp_xmit_wsf);
8048 break;
8049 case ISCSI_FLASHNODE_TCP_RECV_WSF:
8050 rc = sprintf(buf, "%u\n", fnode_conn->tcp_recv_wsf);
8051 break;
8052 case ISCSI_FLASHNODE_CHAP_OUT_IDX:
8053 rc = sprintf(buf, "%u\n", fnode_sess->chap_out_idx);
8054 break;
8055 case ISCSI_FLASHNODE_USERNAME:
8056 if (fnode_sess->chap_auth_en) {
8057 qla4xxx_get_uni_chap_at_index(ha,
8058 chap_tbl.name,
8059 chap_tbl.secret,
8060 fnode_sess->chap_out_idx);
8061 rc = sprintf(buf, "%s\n", chap_tbl.name);
8062 } else {
8063 rc = sprintf(buf, "\n");
8064 }
8065 break;
8066 case ISCSI_FLASHNODE_PASSWORD:
8067 if (fnode_sess->chap_auth_en) {
8068 qla4xxx_get_uni_chap_at_index(ha,
8069 chap_tbl.name,
8070 chap_tbl.secret,
8071 fnode_sess->chap_out_idx);
8072 rc = sprintf(buf, "%s\n", chap_tbl.secret);
8073 } else {
8074 rc = sprintf(buf, "\n");
8075 }
8076 break;
8077 case ISCSI_FLASHNODE_STATSN:
8078 rc = sprintf(buf, "%u\n", fnode_conn->statsn);
8079 break;
8080 case ISCSI_FLASHNODE_EXP_STATSN:
8081 rc = sprintf(buf, "%u\n", fnode_conn->exp_statsn);
8082 break;
8083 case ISCSI_FLASHNODE_IS_BOOT_TGT:
8084 rc = sprintf(buf, "%u\n", fnode_sess->is_boot_target);
8085 break;
8086 default:
8087 rc = -ENOSYS;
8088 break;
8089 }
8090
8091 put_device(dev);
8092 return rc;
8093}
8094
8095
8096
8097
8098
8099
8100
8101
8102
8103
8104static int
8105qla4xxx_sysfs_ddb_set_param(struct iscsi_bus_flash_session *fnode_sess,
8106 struct iscsi_bus_flash_conn *fnode_conn,
8107 void *data, int len)
8108{
8109 struct Scsi_Host *shost = iscsi_flash_session_to_shost(fnode_sess);
8110 struct scsi_qla_host *ha = to_qla_host(shost);
8111 struct iscsi_flashnode_param_info *fnode_param;
8112 struct ql4_chap_table chap_tbl;
8113 struct nlattr *attr;
8114 uint16_t chap_out_idx = INVALID_ENTRY;
8115 int rc = QLA_ERROR;
8116 uint32_t rem = len;
8117
8118 memset((void *)&chap_tbl, 0, sizeof(chap_tbl));
8119 nla_for_each_attr(attr, data, len, rem) {
8120 fnode_param = nla_data(attr);
8121
8122 switch (fnode_param->param) {
8123 case ISCSI_FLASHNODE_IS_FW_ASSIGNED_IPV6:
8124 fnode_conn->is_fw_assigned_ipv6 = fnode_param->value[0];
8125 break;
8126 case ISCSI_FLASHNODE_PORTAL_TYPE:
8127 memcpy(fnode_sess->portal_type, fnode_param->value,
8128 strlen(fnode_sess->portal_type));
8129 break;
8130 case ISCSI_FLASHNODE_AUTO_SND_TGT_DISABLE:
8131 fnode_sess->auto_snd_tgt_disable =
8132 fnode_param->value[0];
8133 break;
8134 case ISCSI_FLASHNODE_DISCOVERY_SESS:
8135 fnode_sess->discovery_sess = fnode_param->value[0];
8136 break;
8137 case ISCSI_FLASHNODE_ENTRY_EN:
8138 fnode_sess->entry_state = fnode_param->value[0];
8139 break;
8140 case ISCSI_FLASHNODE_HDR_DGST_EN:
8141 fnode_conn->hdrdgst_en = fnode_param->value[0];
8142 break;
8143 case ISCSI_FLASHNODE_DATA_DGST_EN:
8144 fnode_conn->datadgst_en = fnode_param->value[0];
8145 break;
8146 case ISCSI_FLASHNODE_IMM_DATA_EN:
8147 fnode_sess->imm_data_en = fnode_param->value[0];
8148 break;
8149 case ISCSI_FLASHNODE_INITIAL_R2T_EN:
8150 fnode_sess->initial_r2t_en = fnode_param->value[0];
8151 break;
8152 case ISCSI_FLASHNODE_DATASEQ_INORDER:
8153 fnode_sess->dataseq_inorder_en = fnode_param->value[0];
8154 break;
8155 case ISCSI_FLASHNODE_PDU_INORDER:
8156 fnode_sess->pdu_inorder_en = fnode_param->value[0];
8157 break;
8158 case ISCSI_FLASHNODE_CHAP_AUTH_EN:
8159 fnode_sess->chap_auth_en = fnode_param->value[0];
8160
8161 if (!fnode_sess->chap_auth_en)
8162 fnode_sess->chap_out_idx = INVALID_ENTRY;
8163
8164 break;
8165 case ISCSI_FLASHNODE_SNACK_REQ_EN:
8166 fnode_conn->snack_req_en = fnode_param->value[0];
8167 break;
8168 case ISCSI_FLASHNODE_DISCOVERY_LOGOUT_EN:
8169 fnode_sess->discovery_logout_en = fnode_param->value[0];
8170 break;
8171 case ISCSI_FLASHNODE_BIDI_CHAP_EN:
8172 fnode_sess->bidi_chap_en = fnode_param->value[0];
8173 break;
8174 case ISCSI_FLASHNODE_DISCOVERY_AUTH_OPTIONAL:
8175 fnode_sess->discovery_auth_optional =
8176 fnode_param->value[0];
8177 break;
8178 case ISCSI_FLASHNODE_ERL:
8179 fnode_sess->erl = fnode_param->value[0];
8180 break;
8181 case ISCSI_FLASHNODE_TCP_TIMESTAMP_STAT:
8182 fnode_conn->tcp_timestamp_stat = fnode_param->value[0];
8183 break;
8184 case ISCSI_FLASHNODE_TCP_NAGLE_DISABLE:
8185 fnode_conn->tcp_nagle_disable = fnode_param->value[0];
8186 break;
8187 case ISCSI_FLASHNODE_TCP_WSF_DISABLE:
8188 fnode_conn->tcp_wsf_disable = fnode_param->value[0];
8189 break;
8190 case ISCSI_FLASHNODE_TCP_TIMER_SCALE:
8191 fnode_conn->tcp_timer_scale = fnode_param->value[0];
8192 break;
8193 case ISCSI_FLASHNODE_TCP_TIMESTAMP_EN:
8194 fnode_conn->tcp_timestamp_en = fnode_param->value[0];
8195 break;
8196 case ISCSI_FLASHNODE_IP_FRAG_DISABLE:
8197 fnode_conn->fragment_disable = fnode_param->value[0];
8198 break;
8199 case ISCSI_FLASHNODE_MAX_RECV_DLENGTH:
8200 fnode_conn->max_recv_dlength =
8201 *(unsigned *)fnode_param->value;
8202 break;
8203 case ISCSI_FLASHNODE_MAX_XMIT_DLENGTH:
8204 fnode_conn->max_xmit_dlength =
8205 *(unsigned *)fnode_param->value;
8206 break;
8207 case ISCSI_FLASHNODE_FIRST_BURST:
8208 fnode_sess->first_burst =
8209 *(unsigned *)fnode_param->value;
8210 break;
8211 case ISCSI_FLASHNODE_DEF_TIME2WAIT:
8212 fnode_sess->time2wait = *(uint16_t *)fnode_param->value;
8213 break;
8214 case ISCSI_FLASHNODE_DEF_TIME2RETAIN:
8215 fnode_sess->time2retain =
8216 *(uint16_t *)fnode_param->value;
8217 break;
8218 case ISCSI_FLASHNODE_MAX_R2T:
8219 fnode_sess->max_r2t =
8220 *(uint16_t *)fnode_param->value;
8221 break;
8222 case ISCSI_FLASHNODE_KEEPALIVE_TMO:
8223 fnode_conn->keepalive_timeout =
8224 *(uint16_t *)fnode_param->value;
8225 break;
8226 case ISCSI_FLASHNODE_ISID:
8227 memcpy(fnode_sess->isid, fnode_param->value,
8228 sizeof(fnode_sess->isid));
8229 break;
8230 case ISCSI_FLASHNODE_TSID:
8231 fnode_sess->tsid = *(uint16_t *)fnode_param->value;
8232 break;
8233 case ISCSI_FLASHNODE_PORT:
8234 fnode_conn->port = *(uint16_t *)fnode_param->value;
8235 break;
8236 case ISCSI_FLASHNODE_MAX_BURST:
8237 fnode_sess->max_burst = *(unsigned *)fnode_param->value;
8238 break;
8239 case ISCSI_FLASHNODE_DEF_TASKMGMT_TMO:
8240 fnode_sess->default_taskmgmt_timeout =
8241 *(uint16_t *)fnode_param->value;
8242 break;
8243 case ISCSI_FLASHNODE_IPADDR:
8244 memcpy(fnode_conn->ipaddress, fnode_param->value,
8245 IPv6_ADDR_LEN);
8246 break;
8247 case ISCSI_FLASHNODE_ALIAS:
8248 rc = iscsi_switch_str_param(&fnode_sess->targetalias,
8249 (char *)fnode_param->value);
8250 break;
8251 case ISCSI_FLASHNODE_REDIRECT_IPADDR:
8252 memcpy(fnode_conn->redirect_ipaddr, fnode_param->value,
8253 IPv6_ADDR_LEN);
8254 break;
8255 case ISCSI_FLASHNODE_MAX_SEGMENT_SIZE:
8256 fnode_conn->max_segment_size =
8257 *(unsigned *)fnode_param->value;
8258 break;
8259 case ISCSI_FLASHNODE_LOCAL_PORT:
8260 fnode_conn->local_port =
8261 *(uint16_t *)fnode_param->value;
8262 break;
8263 case ISCSI_FLASHNODE_IPV4_TOS:
8264 fnode_conn->ipv4_tos = fnode_param->value[0];
8265 break;
8266 case ISCSI_FLASHNODE_IPV6_TC:
8267 fnode_conn->ipv6_traffic_class = fnode_param->value[0];
8268 break;
8269 case ISCSI_FLASHNODE_IPV6_FLOW_LABEL:
8270 fnode_conn->ipv6_flow_label = fnode_param->value[0];
8271 break;
8272 case ISCSI_FLASHNODE_NAME:
8273 rc = iscsi_switch_str_param(&fnode_sess->targetname,
8274 (char *)fnode_param->value);
8275 break;
8276 case ISCSI_FLASHNODE_TPGT:
8277 fnode_sess->tpgt = *(uint16_t *)fnode_param->value;
8278 break;
8279 case ISCSI_FLASHNODE_LINK_LOCAL_IPV6:
8280 memcpy(fnode_conn->link_local_ipv6_addr,
8281 fnode_param->value, IPv6_ADDR_LEN);
8282 break;
8283 case ISCSI_FLASHNODE_DISCOVERY_PARENT_IDX:
8284 fnode_sess->discovery_parent_idx =
8285 *(uint16_t *)fnode_param->value;
8286 break;
8287 case ISCSI_FLASHNODE_TCP_XMIT_WSF:
8288 fnode_conn->tcp_xmit_wsf =
8289 *(uint8_t *)fnode_param->value;
8290 break;
8291 case ISCSI_FLASHNODE_TCP_RECV_WSF:
8292 fnode_conn->tcp_recv_wsf =
8293 *(uint8_t *)fnode_param->value;
8294 break;
8295 case ISCSI_FLASHNODE_STATSN:
8296 fnode_conn->statsn = *(uint32_t *)fnode_param->value;
8297 break;
8298 case ISCSI_FLASHNODE_EXP_STATSN:
8299 fnode_conn->exp_statsn =
8300 *(uint32_t *)fnode_param->value;
8301 break;
8302 case ISCSI_FLASHNODE_CHAP_OUT_IDX:
8303 chap_out_idx = *(uint16_t *)fnode_param->value;
8304 if (!qla4xxx_get_uni_chap_at_index(ha,
8305 chap_tbl.name,
8306 chap_tbl.secret,
8307 chap_out_idx)) {
8308 fnode_sess->chap_out_idx = chap_out_idx;
8309
8310 fnode_sess->chap_auth_en = QL4_PARAM_ENABLE;
8311 }
8312 break;
8313 default:
8314 ql4_printk(KERN_ERR, ha,
8315 "%s: No such sysfs attribute\n", __func__);
8316 rc = -ENOSYS;
8317 goto exit_set_param;
8318 }
8319 }
8320
8321 rc = qla4xxx_sysfs_ddb_apply(fnode_sess, fnode_conn);
8322
8323exit_set_param:
8324 return rc;
8325}
8326
8327
8328
8329
8330
8331
8332
8333static int qla4xxx_sysfs_ddb_delete(struct iscsi_bus_flash_session *fnode_sess)
8334{
8335 struct Scsi_Host *shost = iscsi_flash_session_to_shost(fnode_sess);
8336 struct scsi_qla_host *ha = to_qla_host(shost);
8337 uint32_t dev_db_start_offset;
8338 uint32_t dev_db_end_offset;
8339 struct dev_db_entry *fw_ddb_entry = NULL;
8340 dma_addr_t fw_ddb_entry_dma;
8341 uint16_t *ddb_cookie = NULL;
8342 size_t ddb_size = 0;
8343 void *pddb = NULL;
8344 int target_id;
8345 int rc = 0;
8346
8347 if (fnode_sess->is_boot_target) {
8348 rc = -EPERM;
8349 DEBUG2(ql4_printk(KERN_ERR, ha,
8350 "%s: Deletion of boot target entry is not permitted.\n",
8351 __func__));
8352 goto exit_ddb_del;
8353 }
8354
8355 if (fnode_sess->flash_state == DEV_DB_NON_PERSISTENT)
8356 goto sysfs_ddb_del;
8357
8358 if (is_qla40XX(ha)) {
8359 dev_db_start_offset = FLASH_OFFSET_DB_INFO;
8360 dev_db_end_offset = FLASH_OFFSET_DB_END;
8361 dev_db_start_offset += (fnode_sess->target_id *
8362 sizeof(*fw_ddb_entry));
8363 ddb_size = sizeof(*fw_ddb_entry);
8364 } else {
8365 dev_db_start_offset = FLASH_RAW_ACCESS_ADDR +
8366 (ha->hw.flt_region_ddb << 2);
8367
8368
8369
8370 if (ha->port_num == 1)
8371 dev_db_start_offset += (ha->hw.flt_ddb_size / 2);
8372
8373 dev_db_end_offset = dev_db_start_offset +
8374 (ha->hw.flt_ddb_size / 2);
8375
8376 dev_db_start_offset += (fnode_sess->target_id *
8377 sizeof(*fw_ddb_entry));
8378 dev_db_start_offset += offsetof(struct dev_db_entry, cookie);
8379
8380 ddb_size = sizeof(*ddb_cookie);
8381 }
8382
8383 DEBUG2(ql4_printk(KERN_ERR, ha, "%s: start offset=%u, end offset=%u\n",
8384 __func__, dev_db_start_offset, dev_db_end_offset));
8385
8386 if (dev_db_start_offset > dev_db_end_offset) {
8387 rc = -EIO;
8388 DEBUG2(ql4_printk(KERN_ERR, ha, "%s:Invalid DDB index %u\n",
8389 __func__, fnode_sess->target_id));
8390 goto exit_ddb_del;
8391 }
8392
8393 pddb = dma_alloc_coherent(&ha->pdev->dev, ddb_size,
8394 &fw_ddb_entry_dma, GFP_KERNEL);
8395 if (!pddb) {
8396 rc = -ENOMEM;
8397 DEBUG2(ql4_printk(KERN_ERR, ha,
8398 "%s: Unable to allocate dma buffer\n",
8399 __func__));
8400 goto exit_ddb_del;
8401 }
8402
8403 if (is_qla40XX(ha)) {
8404 fw_ddb_entry = pddb;
8405 memset(fw_ddb_entry, 0, ddb_size);
8406 ddb_cookie = &fw_ddb_entry->cookie;
8407 } else {
8408 ddb_cookie = pddb;
8409 }
8410
8411
8412 *ddb_cookie = 0xFFEE;
8413 qla4xxx_set_flash(ha, fw_ddb_entry_dma, dev_db_start_offset,
8414 ddb_size, FLASH_OPT_RMW_COMMIT);
8415
8416sysfs_ddb_del:
8417 target_id = fnode_sess->target_id;
8418 iscsi_destroy_flashnode_sess(fnode_sess);
8419 ql4_printk(KERN_INFO, ha,
8420 "%s: session and conn entries for flashnode %u of host %lu deleted\n",
8421 __func__, target_id, ha->host_no);
8422exit_ddb_del:
8423 if (pddb)
8424 dma_free_coherent(&ha->pdev->dev, ddb_size, pddb,
8425 fw_ddb_entry_dma);
8426 return rc;
8427}
8428
8429
8430
8431
8432
8433
8434
8435int qla4xxx_sysfs_ddb_export(struct scsi_qla_host *ha)
8436{
8437 struct dev_db_entry *fw_ddb_entry = NULL;
8438 dma_addr_t fw_ddb_entry_dma;
8439 uint16_t max_ddbs;
8440 uint16_t idx = 0;
8441 int ret = QLA_SUCCESS;
8442
8443 fw_ddb_entry = dma_alloc_coherent(&ha->pdev->dev,
8444 sizeof(*fw_ddb_entry),
8445 &fw_ddb_entry_dma, GFP_KERNEL);
8446 if (!fw_ddb_entry) {
8447 DEBUG2(ql4_printk(KERN_ERR, ha,
8448 "%s: Unable to allocate dma buffer\n",
8449 __func__));
8450 return -ENOMEM;
8451 }
8452
8453 max_ddbs = is_qla40XX(ha) ? MAX_PRST_DEV_DB_ENTRIES :
8454 MAX_DEV_DB_ENTRIES;
8455
8456 for (idx = 0; idx < max_ddbs; idx++) {
8457 if (qla4xxx_flashdb_by_index(ha, fw_ddb_entry, fw_ddb_entry_dma,
8458 idx))
8459 continue;
8460
8461 ret = qla4xxx_sysfs_ddb_tgt_create(ha, fw_ddb_entry, &idx, 0);
8462 if (ret) {
8463 ret = -EIO;
8464 break;
8465 }
8466 }
8467
8468 dma_free_coherent(&ha->pdev->dev, sizeof(*fw_ddb_entry), fw_ddb_entry,
8469 fw_ddb_entry_dma);
8470
8471 return ret;
8472}
8473
8474static void qla4xxx_sysfs_ddb_remove(struct scsi_qla_host *ha)
8475{
8476 iscsi_destroy_all_flashnode(ha->host);
8477}
8478
8479
8480
8481
8482
8483
8484
8485
8486
8487
8488
8489void qla4xxx_build_ddb_list(struct scsi_qla_host *ha, int is_reset)
8490{
8491 uint16_t tmo = 0;
8492 struct list_head list_st, list_nt;
8493 struct qla_ddb_index *st_ddb_idx, *st_ddb_idx_tmp;
8494 unsigned long wtime;
8495
8496 if (!test_bit(AF_LINK_UP, &ha->flags)) {
8497 set_bit(AF_BUILD_DDB_LIST, &ha->flags);
8498 ha->is_reset = is_reset;
8499 return;
8500 }
8501
8502 INIT_LIST_HEAD(&list_st);
8503 INIT_LIST_HEAD(&list_nt);
8504
8505 qla4xxx_build_st_list(ha, &list_st);
8506
8507
8508
8509
8510 qla4xxx_wait_for_ip_configuration(ha);
8511
8512
8513 list_for_each_entry_safe(st_ddb_idx, st_ddb_idx_tmp, &list_st, list) {
8514 qla4xxx_conn_open(ha, st_ddb_idx->fw_ddb_idx);
8515 }
8516
8517
8518 tmo = ((ha->def_timeout > LOGIN_TOV) &&
8519 (ha->def_timeout < LOGIN_TOV * 10) ?
8520 ha->def_timeout : LOGIN_TOV);
8521
8522 DEBUG2(ql4_printk(KERN_INFO, ha,
8523 "Default time to wait for build ddb %d\n", tmo));
8524
8525 wtime = jiffies + (HZ * tmo);
8526 do {
8527 if (list_empty(&list_st))
8528 break;
8529
8530 qla4xxx_remove_failed_ddb(ha, &list_st);
8531 schedule_timeout_uninterruptible(HZ / 10);
8532 } while (time_after(wtime, jiffies));
8533
8534
8535 qla4xxx_build_nt_list(ha, &list_nt, &list_st, is_reset);
8536
8537 qla4xxx_free_ddb_list(&list_st);
8538 qla4xxx_free_ddb_list(&list_nt);
8539
8540 qla4xxx_free_ddb_index(ha);
8541}
8542
8543
8544
8545
8546
8547
8548
8549
8550
8551
8552static void qla4xxx_wait_login_resp_boot_tgt(struct scsi_qla_host *ha)
8553{
8554 struct ddb_entry *ddb_entry;
8555 struct dev_db_entry *fw_ddb_entry = NULL;
8556 dma_addr_t fw_ddb_entry_dma;
8557 unsigned long wtime;
8558 uint32_t ddb_state;
8559 int max_ddbs, idx, ret;
8560
8561 max_ddbs = is_qla40XX(ha) ? MAX_DEV_DB_ENTRIES_40XX :
8562 MAX_DEV_DB_ENTRIES;
8563
8564 fw_ddb_entry = dma_alloc_coherent(&ha->pdev->dev, sizeof(*fw_ddb_entry),
8565 &fw_ddb_entry_dma, GFP_KERNEL);
8566 if (!fw_ddb_entry) {
8567 ql4_printk(KERN_ERR, ha,
8568 "%s: Unable to allocate dma buffer\n", __func__);
8569 goto exit_login_resp;
8570 }
8571
8572 wtime = jiffies + (HZ * BOOT_LOGIN_RESP_TOV);
8573
8574 for (idx = 0; idx < max_ddbs; idx++) {
8575 ddb_entry = qla4xxx_lookup_ddb_by_fw_index(ha, idx);
8576 if (ddb_entry == NULL)
8577 continue;
8578
8579 if (test_bit(DF_BOOT_TGT, &ddb_entry->flags)) {
8580 DEBUG2(ql4_printk(KERN_INFO, ha,
8581 "%s: DDB index [%d]\n", __func__,
8582 ddb_entry->fw_ddb_index));
8583 do {
8584 ret = qla4xxx_get_fwddb_entry(ha,
8585 ddb_entry->fw_ddb_index,
8586 fw_ddb_entry, fw_ddb_entry_dma,
8587 NULL, NULL, &ddb_state, NULL,
8588 NULL, NULL);
8589 if (ret == QLA_ERROR)
8590 goto exit_login_resp;
8591
8592 if ((ddb_state == DDB_DS_SESSION_ACTIVE) ||
8593 (ddb_state == DDB_DS_SESSION_FAILED))
8594 break;
8595
8596 schedule_timeout_uninterruptible(HZ);
8597
8598 } while ((time_after(wtime, jiffies)));
8599
8600 if (!time_after(wtime, jiffies)) {
8601 DEBUG2(ql4_printk(KERN_INFO, ha,
8602 "%s: Login response wait timer expired\n",
8603 __func__));
8604 goto exit_login_resp;
8605 }
8606 }
8607 }
8608
8609exit_login_resp:
8610 if (fw_ddb_entry)
8611 dma_free_coherent(&ha->pdev->dev, sizeof(*fw_ddb_entry),
8612 fw_ddb_entry, fw_ddb_entry_dma);
8613}
8614
8615
8616
8617
8618
8619
8620
8621
8622
8623
8624static int qla4xxx_probe_adapter(struct pci_dev *pdev,
8625 const struct pci_device_id *ent)
8626{
8627 int ret = -ENODEV, status;
8628 struct Scsi_Host *host;
8629 struct scsi_qla_host *ha;
8630 uint8_t init_retry_count = 0;
8631 char buf[34];
8632 struct qla4_8xxx_legacy_intr_set *nx_legacy_intr;
8633 uint32_t dev_state;
8634
8635 if (pci_enable_device(pdev))
8636 return -1;
8637
8638 host = iscsi_host_alloc(&qla4xxx_driver_template, sizeof(*ha), 0);
8639 if (host == NULL) {
8640 printk(KERN_WARNING
8641 "qla4xxx: Couldn't allocate host from scsi layer!\n");
8642 goto probe_disable_device;
8643 }
8644
8645
8646 ha = to_qla_host(host);
8647 memset(ha, 0, sizeof(*ha));
8648
8649
8650 ha->pdev = pdev;
8651 ha->host = host;
8652 ha->host_no = host->host_no;
8653 ha->func_num = PCI_FUNC(ha->pdev->devfn);
8654
8655 pci_enable_pcie_error_reporting(pdev);
8656
8657
8658 if (is_qla8022(ha)) {
8659 ha->isp_ops = &qla4_82xx_isp_ops;
8660 ha->reg_tbl = (uint32_t *) qla4_82xx_reg_tbl;
8661 ha->qdr_sn_window = -1;
8662 ha->ddr_mn_window = -1;
8663 ha->curr_window = 255;
8664 nx_legacy_intr = &legacy_intr[ha->func_num];
8665 ha->nx_legacy_intr.int_vec_bit = nx_legacy_intr->int_vec_bit;
8666 ha->nx_legacy_intr.tgt_status_reg =
8667 nx_legacy_intr->tgt_status_reg;
8668 ha->nx_legacy_intr.tgt_mask_reg = nx_legacy_intr->tgt_mask_reg;
8669 ha->nx_legacy_intr.pci_int_reg = nx_legacy_intr->pci_int_reg;
8670 } else if (is_qla8032(ha) || is_qla8042(ha)) {
8671 ha->isp_ops = &qla4_83xx_isp_ops;
8672 ha->reg_tbl = (uint32_t *)qla4_83xx_reg_tbl;
8673 } else {
8674 ha->isp_ops = &qla4xxx_isp_ops;
8675 }
8676
8677 if (is_qla80XX(ha)) {
8678 rwlock_init(&ha->hw_lock);
8679 ha->pf_bit = ha->func_num << 16;
8680
8681 pdev->needs_freset = 1;
8682 }
8683
8684
8685 ret = ha->isp_ops->iospace_config(ha);
8686 if (ret)
8687 goto probe_failed_ioconfig;
8688
8689 ql4_printk(KERN_INFO, ha, "Found an ISP%04x, irq %d, iobase 0x%p\n",
8690 pdev->device, pdev->irq, ha->reg);
8691
8692 qla4xxx_config_dma_addressing(ha);
8693
8694
8695 INIT_LIST_HEAD(&ha->free_srb_q);
8696
8697 mutex_init(&ha->mbox_sem);
8698 mutex_init(&ha->chap_sem);
8699 init_completion(&ha->mbx_intr_comp);
8700 init_completion(&ha->disable_acb_comp);
8701 init_completion(&ha->idc_comp);
8702 init_completion(&ha->link_up_comp);
8703
8704 spin_lock_init(&ha->hardware_lock);
8705 spin_lock_init(&ha->work_lock);
8706
8707
8708 INIT_LIST_HEAD(&ha->work_list);
8709
8710
8711 if (qla4xxx_mem_alloc(ha)) {
8712 ql4_printk(KERN_WARNING, ha,
8713 "[ERROR] Failed to allocate memory for adapter\n");
8714
8715 ret = -ENOMEM;
8716 goto probe_failed;
8717 }
8718
8719 host->cmd_per_lun = 3;
8720 host->max_channel = 0;
8721 host->max_lun = MAX_LUNS - 1;
8722 host->max_id = MAX_TARGETS;
8723 host->max_cmd_len = IOCB_MAX_CDB_LEN;
8724 host->can_queue = MAX_SRBS ;
8725 host->transportt = qla4xxx_scsi_transport;
8726
8727 pci_set_drvdata(pdev, ha);
8728
8729 ret = scsi_add_host(host, &pdev->dev);
8730 if (ret)
8731 goto probe_failed;
8732
8733 if (is_qla80XX(ha))
8734 qla4_8xxx_get_flash_info(ha);
8735
8736 if (is_qla8032(ha) || is_qla8042(ha)) {
8737 qla4_83xx_read_reset_template(ha);
8738
8739
8740
8741
8742
8743
8744 if (ql4xdontresethba == 1)
8745 qla4_83xx_set_idc_dontreset(ha);
8746 }
8747
8748
8749
8750
8751
8752
8753 status = qla4xxx_initialize_adapter(ha, INIT_ADAPTER);
8754
8755
8756 if (is_qla80XX(ha) && (status == QLA_ERROR))
8757 goto skip_retry_init;
8758
8759 while ((!test_bit(AF_ONLINE, &ha->flags)) &&
8760 init_retry_count++ < MAX_INIT_RETRIES) {
8761
8762 if (is_qla80XX(ha)) {
8763 ha->isp_ops->idc_lock(ha);
8764 dev_state = qla4_8xxx_rd_direct(ha,
8765 QLA8XXX_CRB_DEV_STATE);
8766 ha->isp_ops->idc_unlock(ha);
8767 if (dev_state == QLA8XXX_DEV_FAILED) {
8768 ql4_printk(KERN_WARNING, ha, "%s: don't retry "
8769 "initialize adapter. H/W is in failed state\n",
8770 __func__);
8771 break;
8772 }
8773 }
8774 DEBUG2(printk("scsi: %s: retrying adapter initialization "
8775 "(%d)\n", __func__, init_retry_count));
8776
8777 if (ha->isp_ops->reset_chip(ha) == QLA_ERROR)
8778 continue;
8779
8780 status = qla4xxx_initialize_adapter(ha, INIT_ADAPTER);
8781 if (is_qla80XX(ha) && (status == QLA_ERROR)) {
8782 if (qla4_8xxx_check_init_adapter_retry(ha) == QLA_ERROR)
8783 goto skip_retry_init;
8784 }
8785 }
8786
8787skip_retry_init:
8788 if (!test_bit(AF_ONLINE, &ha->flags)) {
8789 ql4_printk(KERN_WARNING, ha, "Failed to initialize adapter\n");
8790
8791 if ((is_qla8022(ha) && ql4xdontresethba) ||
8792 ((is_qla8032(ha) || is_qla8042(ha)) &&
8793 qla4_83xx_idc_dontreset(ha))) {
8794
8795 DEBUG2(printk(KERN_ERR "HW STATE: FAILED\n"));
8796 ha->isp_ops->idc_lock(ha);
8797 qla4_8xxx_wr_direct(ha, QLA8XXX_CRB_DEV_STATE,
8798 QLA8XXX_DEV_FAILED);
8799 ha->isp_ops->idc_unlock(ha);
8800 }
8801 ret = -ENODEV;
8802 goto remove_host;
8803 }
8804
8805
8806 DEBUG2(printk("scsi: %s: Starting kernel thread for "
8807 "qla4xxx_dpc\n", __func__));
8808 sprintf(buf, "qla4xxx_%lu_dpc", ha->host_no);
8809 ha->dpc_thread = create_singlethread_workqueue(buf);
8810 if (!ha->dpc_thread) {
8811 ql4_printk(KERN_WARNING, ha, "Unable to start DPC thread!\n");
8812 ret = -ENODEV;
8813 goto remove_host;
8814 }
8815 INIT_WORK(&ha->dpc_work, qla4xxx_do_dpc);
8816
8817 ha->task_wq = alloc_workqueue("qla4xxx_%lu_task", WQ_MEM_RECLAIM, 1,
8818 ha->host_no);
8819 if (!ha->task_wq) {
8820 ql4_printk(KERN_WARNING, ha, "Unable to start task thread!\n");
8821 ret = -ENODEV;
8822 goto remove_host;
8823 }
8824
8825
8826
8827
8828
8829
8830
8831 if (is_qla40XX(ha)) {
8832 ret = qla4xxx_request_irqs(ha);
8833 if (ret) {
8834 ql4_printk(KERN_WARNING, ha, "Failed to reserve "
8835 "interrupt %d already in use.\n", pdev->irq);
8836 goto remove_host;
8837 }
8838 }
8839
8840 pci_save_state(ha->pdev);
8841 ha->isp_ops->enable_intrs(ha);
8842
8843
8844 qla4xxx_start_timer(ha, 1);
8845
8846 set_bit(AF_INIT_DONE, &ha->flags);
8847
8848 qla4_8xxx_alloc_sysfs_attr(ha);
8849
8850 printk(KERN_INFO
8851 " QLogic iSCSI HBA Driver version: %s\n"
8852 " QLogic ISP%04x @ %s, host#=%ld, fw=%02d.%02d.%02d.%02d\n",
8853 qla4xxx_version_str, ha->pdev->device, pci_name(ha->pdev),
8854 ha->host_no, ha->fw_info.fw_major, ha->fw_info.fw_minor,
8855 ha->fw_info.fw_patch, ha->fw_info.fw_build);
8856
8857
8858 if (is_qla80XX(ha))
8859 qla4_8xxx_set_param(ha, SET_DRVR_VERSION);
8860
8861 if (qla4xxx_setup_boot_info(ha))
8862 ql4_printk(KERN_ERR, ha,
8863 "%s: No iSCSI boot target configured\n", __func__);
8864
8865 set_bit(DPC_SYSFS_DDB_EXPORT, &ha->dpc_flags);
8866
8867 qla4xxx_build_ddb_list(ha, INIT_ADAPTER);
8868 iscsi_host_for_each_session(ha->host, qla4xxx_login_flash_ddb);
8869 qla4xxx_wait_login_resp_boot_tgt(ha);
8870
8871 qla4xxx_create_chap_list(ha);
8872
8873 qla4xxx_create_ifaces(ha);
8874 return 0;
8875
8876remove_host:
8877 scsi_remove_host(ha->host);
8878
8879probe_failed:
8880 qla4xxx_free_adapter(ha);
8881
8882probe_failed_ioconfig:
8883 pci_disable_pcie_error_reporting(pdev);
8884 scsi_host_put(ha->host);
8885
8886probe_disable_device:
8887 pci_disable_device(pdev);
8888
8889 return ret;
8890}
8891
8892
8893
8894
8895
8896
8897
8898
8899
8900static void qla4xxx_prevent_other_port_reinit(struct scsi_qla_host *ha)
8901{
8902 struct scsi_qla_host *other_ha = NULL;
8903 struct pci_dev *other_pdev = NULL;
8904 int fn = ISP4XXX_PCI_FN_2;
8905
8906
8907 if (PCI_FUNC(ha->pdev->devfn) & BIT_1)
8908 fn = ISP4XXX_PCI_FN_1;
8909
8910 other_pdev =
8911 pci_get_domain_bus_and_slot(pci_domain_nr(ha->pdev->bus),
8912 ha->pdev->bus->number, PCI_DEVFN(PCI_SLOT(ha->pdev->devfn),
8913 fn));
8914
8915
8916 if (other_pdev) {
8917 if (atomic_read(&other_pdev->enable_cnt)) {
8918 other_ha = pci_get_drvdata(other_pdev);
8919 if (other_ha) {
8920 set_bit(AF_HA_REMOVAL, &other_ha->flags);
8921 DEBUG2(ql4_printk(KERN_INFO, ha, "%s: "
8922 "Prevent %s reinit\n", __func__,
8923 dev_name(&other_ha->pdev->dev)));
8924 }
8925 }
8926 pci_dev_put(other_pdev);
8927 }
8928}
8929
8930static void qla4xxx_destroy_ddb(struct scsi_qla_host *ha,
8931 struct ddb_entry *ddb_entry)
8932{
8933 struct dev_db_entry *fw_ddb_entry = NULL;
8934 dma_addr_t fw_ddb_entry_dma;
8935 unsigned long wtime;
8936 uint32_t ddb_state;
8937 int options;
8938 int status;
8939
8940 options = LOGOUT_OPTION_CLOSE_SESSION;
8941 if (qla4xxx_session_logout_ddb(ha, ddb_entry, options) == QLA_ERROR) {
8942 ql4_printk(KERN_ERR, ha, "%s: Logout failed\n", __func__);
8943 goto clear_ddb;
8944 }
8945
8946 fw_ddb_entry = dma_alloc_coherent(&ha->pdev->dev, sizeof(*fw_ddb_entry),
8947 &fw_ddb_entry_dma, GFP_KERNEL);
8948 if (!fw_ddb_entry) {
8949 ql4_printk(KERN_ERR, ha,
8950 "%s: Unable to allocate dma buffer\n", __func__);
8951 goto clear_ddb;
8952 }
8953
8954 wtime = jiffies + (HZ * LOGOUT_TOV);
8955 do {
8956 status = qla4xxx_get_fwddb_entry(ha, ddb_entry->fw_ddb_index,
8957 fw_ddb_entry, fw_ddb_entry_dma,
8958 NULL, NULL, &ddb_state, NULL,
8959 NULL, NULL);
8960 if (status == QLA_ERROR)
8961 goto free_ddb;
8962
8963 if ((ddb_state == DDB_DS_NO_CONNECTION_ACTIVE) ||
8964 (ddb_state == DDB_DS_SESSION_FAILED))
8965 goto free_ddb;
8966
8967 schedule_timeout_uninterruptible(HZ);
8968 } while ((time_after(wtime, jiffies)));
8969
8970free_ddb:
8971 dma_free_coherent(&ha->pdev->dev, sizeof(*fw_ddb_entry),
8972 fw_ddb_entry, fw_ddb_entry_dma);
8973clear_ddb:
8974 qla4xxx_clear_ddb_entry(ha, ddb_entry->fw_ddb_index);
8975}
8976
8977static void qla4xxx_destroy_fw_ddb_session(struct scsi_qla_host *ha)
8978{
8979 struct ddb_entry *ddb_entry;
8980 int idx;
8981
8982 for (idx = 0; idx < MAX_DDB_ENTRIES; idx++) {
8983
8984 ddb_entry = qla4xxx_lookup_ddb_by_fw_index(ha, idx);
8985 if ((ddb_entry != NULL) &&
8986 (ddb_entry->ddb_type == FLASH_DDB)) {
8987
8988 qla4xxx_destroy_ddb(ha, ddb_entry);
8989
8990
8991
8992
8993
8994
8995 try_module_get(qla4xxx_iscsi_transport.owner);
8996 iscsi_destroy_endpoint(ddb_entry->conn->ep);
8997 qla4xxx_free_ddb(ha, ddb_entry);
8998 iscsi_session_teardown(ddb_entry->sess);
8999 }
9000 }
9001}
9002
9003
9004
9005
9006static void qla4xxx_remove_adapter(struct pci_dev *pdev)
9007{
9008 struct scsi_qla_host *ha;
9009
9010
9011
9012
9013
9014 if (!pci_is_enabled(pdev))
9015 return;
9016
9017 ha = pci_get_drvdata(pdev);
9018
9019 if (is_qla40XX(ha))
9020 qla4xxx_prevent_other_port_reinit(ha);
9021
9022
9023 qla4xxx_destroy_ifaces(ha);
9024
9025 if ((!ql4xdisablesysfsboot) && ha->boot_kset)
9026 iscsi_boot_destroy_kset(ha->boot_kset);
9027
9028 qla4xxx_destroy_fw_ddb_session(ha);
9029 qla4_8xxx_free_sysfs_attr(ha);
9030
9031 qla4xxx_sysfs_ddb_remove(ha);
9032 scsi_remove_host(ha->host);
9033
9034 qla4xxx_free_adapter(ha);
9035
9036 scsi_host_put(ha->host);
9037
9038 pci_disable_pcie_error_reporting(pdev);
9039 pci_disable_device(pdev);
9040}
9041
9042
9043
9044
9045
9046static void qla4xxx_config_dma_addressing(struct scsi_qla_host *ha)
9047{
9048
9049 if (dma_set_mask_and_coherent(&ha->pdev->dev, DMA_BIT_MASK(64))) {
9050 dev_dbg(&ha->pdev->dev,
9051 "Failed to set 64 bit PCI consistent mask; "
9052 "using 32 bit.\n");
9053 dma_set_mask_and_coherent(&ha->pdev->dev, DMA_BIT_MASK(32));
9054 }
9055}
9056
9057static int qla4xxx_slave_alloc(struct scsi_device *sdev)
9058{
9059 struct iscsi_cls_session *cls_sess;
9060 struct iscsi_session *sess;
9061 struct ddb_entry *ddb;
9062 int queue_depth = QL4_DEF_QDEPTH;
9063
9064 cls_sess = starget_to_session(sdev->sdev_target);
9065 sess = cls_sess->dd_data;
9066 ddb = sess->dd_data;
9067
9068 sdev->hostdata = ddb;
9069
9070 if (ql4xmaxqdepth != 0 && ql4xmaxqdepth <= 0xffffU)
9071 queue_depth = ql4xmaxqdepth;
9072
9073 scsi_change_queue_depth(sdev, queue_depth);
9074 return 0;
9075}
9076
9077
9078
9079
9080
9081
9082
9083
9084struct srb *qla4xxx_del_from_active_array(struct scsi_qla_host *ha,
9085 uint32_t index)
9086{
9087 struct srb *srb = NULL;
9088 struct scsi_cmnd *cmd = NULL;
9089
9090 cmd = scsi_host_find_tag(ha->host, index);
9091 if (!cmd)
9092 return srb;
9093
9094 srb = (struct srb *)CMD_SP(cmd);
9095 if (!srb)
9096 return srb;
9097
9098
9099 if (srb->flags & SRB_DMA_VALID) {
9100 ha->iocb_cnt -= srb->iocb_cnt;
9101 if (srb->cmd)
9102 srb->cmd->host_scribble =
9103 (unsigned char *)(unsigned long) MAX_SRBS;
9104 }
9105 return srb;
9106}
9107
9108
9109
9110
9111
9112
9113
9114
9115
9116static int qla4xxx_eh_wait_on_command(struct scsi_qla_host *ha,
9117 struct scsi_cmnd *cmd)
9118{
9119 int done = 0;
9120 struct srb *rp;
9121 uint32_t max_wait_time = EH_WAIT_CMD_TOV;
9122 int ret = SUCCESS;
9123
9124
9125
9126
9127 if (unlikely(pci_channel_offline(ha->pdev)) ||
9128 (test_bit(AF_EEH_BUSY, &ha->flags))) {
9129 ql4_printk(KERN_WARNING, ha, "scsi%ld: Return from %s\n",
9130 ha->host_no, __func__);
9131 return ret;
9132 }
9133
9134 do {
9135
9136 rp = (struct srb *) CMD_SP(cmd);
9137 if (rp == NULL) {
9138 done++;
9139 break;
9140 }
9141
9142 msleep(2000);
9143 } while (max_wait_time--);
9144
9145 return done;
9146}
9147
9148
9149
9150
9151
9152static int qla4xxx_wait_for_hba_online(struct scsi_qla_host *ha)
9153{
9154 unsigned long wait_online;
9155
9156 wait_online = jiffies + (HBA_ONLINE_TOV * HZ);
9157 while (time_before(jiffies, wait_online)) {
9158
9159 if (adapter_up(ha))
9160 return QLA_SUCCESS;
9161
9162 msleep(2000);
9163 }
9164
9165 return QLA_ERROR;
9166}
9167
9168
9169
9170
9171
9172
9173
9174
9175
9176
9177static int qla4xxx_eh_wait_for_commands(struct scsi_qla_host *ha,
9178 struct scsi_target *stgt,
9179 struct scsi_device *sdev)
9180{
9181 int cnt;
9182 int status = 0;
9183 struct scsi_cmnd *cmd;
9184
9185
9186
9187
9188
9189 for (cnt = 0; cnt < ha->host->can_queue; cnt++) {
9190 cmd = scsi_host_find_tag(ha->host, cnt);
9191 if (cmd && stgt == scsi_target(cmd->device) &&
9192 (!sdev || sdev == cmd->device)) {
9193 if (!qla4xxx_eh_wait_on_command(ha, cmd)) {
9194 status++;
9195 break;
9196 }
9197 }
9198 }
9199 return status;
9200}
9201
9202
9203
9204
9205
9206
9207
9208
9209static int qla4xxx_eh_abort(struct scsi_cmnd *cmd)
9210{
9211 struct scsi_qla_host *ha = to_qla_host(cmd->device->host);
9212 unsigned int id = cmd->device->id;
9213 uint64_t lun = cmd->device->lun;
9214 unsigned long flags;
9215 struct srb *srb = NULL;
9216 int ret = SUCCESS;
9217 int wait = 0;
9218 int rval;
9219
9220 ql4_printk(KERN_INFO, ha, "scsi%ld:%d:%llu: Abort command issued cmd=%p, cdb=0x%x\n",
9221 ha->host_no, id, lun, cmd, cmd->cmnd[0]);
9222
9223 rval = qla4xxx_isp_check_reg(ha);
9224 if (rval != QLA_SUCCESS) {
9225 ql4_printk(KERN_INFO, ha, "PCI/Register disconnect, exiting.\n");
9226 return FAILED;
9227 }
9228
9229 spin_lock_irqsave(&ha->hardware_lock, flags);
9230 srb = (struct srb *) CMD_SP(cmd);
9231 if (!srb) {
9232 spin_unlock_irqrestore(&ha->hardware_lock, flags);
9233 ql4_printk(KERN_INFO, ha, "scsi%ld:%d:%llu: Specified command has already completed.\n",
9234 ha->host_no, id, lun);
9235 return SUCCESS;
9236 }
9237 kref_get(&srb->srb_ref);
9238 spin_unlock_irqrestore(&ha->hardware_lock, flags);
9239
9240 if (qla4xxx_abort_task(ha, srb) != QLA_SUCCESS) {
9241 DEBUG3(printk("scsi%ld:%d:%llu: Abort_task mbx failed.\n",
9242 ha->host_no, id, lun));
9243 ret = FAILED;
9244 } else {
9245 DEBUG3(printk("scsi%ld:%d:%llu: Abort_task mbx success.\n",
9246 ha->host_no, id, lun));
9247 wait = 1;
9248 }
9249
9250 kref_put(&srb->srb_ref, qla4xxx_srb_compl);
9251
9252
9253 if (wait) {
9254 if (!qla4xxx_eh_wait_on_command(ha, cmd)) {
9255 DEBUG2(printk("scsi%ld:%d:%llu: Abort handler timed out\n",
9256 ha->host_no, id, lun));
9257 ret = FAILED;
9258 }
9259 }
9260
9261 ql4_printk(KERN_INFO, ha,
9262 "scsi%ld:%d:%llu: Abort command - %s\n",
9263 ha->host_no, id, lun, (ret == SUCCESS) ? "succeeded" : "failed");
9264
9265 return ret;
9266}
9267
9268
9269
9270
9271
9272
9273
9274
9275static int qla4xxx_eh_device_reset(struct scsi_cmnd *cmd)
9276{
9277 struct scsi_qla_host *ha = to_qla_host(cmd->device->host);
9278 struct ddb_entry *ddb_entry = cmd->device->hostdata;
9279 int ret = FAILED, stat;
9280 int rval;
9281
9282 if (!ddb_entry)
9283 return ret;
9284
9285 ret = iscsi_block_scsi_eh(cmd);
9286 if (ret)
9287 return ret;
9288 ret = FAILED;
9289
9290 ql4_printk(KERN_INFO, ha,
9291 "scsi%ld:%d:%d:%llu: DEVICE RESET ISSUED.\n", ha->host_no,
9292 cmd->device->channel, cmd->device->id, cmd->device->lun);
9293
9294 DEBUG2(printk(KERN_INFO
9295 "scsi%ld: DEVICE_RESET cmd=%p jiffies = 0x%lx, to=%x,"
9296 "dpc_flags=%lx, status=%x allowed=%d\n", ha->host_no,
9297 cmd, jiffies, cmd->request->timeout / HZ,
9298 ha->dpc_flags, cmd->result, cmd->allowed));
9299
9300 rval = qla4xxx_isp_check_reg(ha);
9301 if (rval != QLA_SUCCESS) {
9302 ql4_printk(KERN_INFO, ha, "PCI/Register disconnect, exiting.\n");
9303 return FAILED;
9304 }
9305
9306
9307 stat = qla4xxx_reset_lun(ha, ddb_entry, cmd->device->lun);
9308 if (stat != QLA_SUCCESS) {
9309 ql4_printk(KERN_INFO, ha, "DEVICE RESET FAILED. %d\n", stat);
9310 goto eh_dev_reset_done;
9311 }
9312
9313 if (qla4xxx_eh_wait_for_commands(ha, scsi_target(cmd->device),
9314 cmd->device)) {
9315 ql4_printk(KERN_INFO, ha,
9316 "DEVICE RESET FAILED - waiting for "
9317 "commands.\n");
9318 goto eh_dev_reset_done;
9319 }
9320
9321
9322 if (qla4xxx_send_marker_iocb(ha, ddb_entry, cmd->device->lun,
9323 MM_LUN_RESET) != QLA_SUCCESS)
9324 goto eh_dev_reset_done;
9325
9326 ql4_printk(KERN_INFO, ha,
9327 "scsi(%ld:%d:%d:%llu): DEVICE RESET SUCCEEDED.\n",
9328 ha->host_no, cmd->device->channel, cmd->device->id,
9329 cmd->device->lun);
9330
9331 ret = SUCCESS;
9332
9333eh_dev_reset_done:
9334
9335 return ret;
9336}
9337
9338
9339
9340
9341
9342
9343
9344static int qla4xxx_eh_target_reset(struct scsi_cmnd *cmd)
9345{
9346 struct scsi_qla_host *ha = to_qla_host(cmd->device->host);
9347 struct ddb_entry *ddb_entry = cmd->device->hostdata;
9348 int stat, ret;
9349 int rval;
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 rval = qla4xxx_isp_check_reg(ha);
9368 if (rval != QLA_SUCCESS) {
9369 ql4_printk(KERN_INFO, ha, "PCI/Register disconnect, exiting.\n");
9370 return FAILED;
9371 }
9372
9373 stat = qla4xxx_reset_target(ha, ddb_entry);
9374 if (stat != QLA_SUCCESS) {
9375 starget_printk(KERN_INFO, scsi_target(cmd->device),
9376 "WARM TARGET RESET FAILED.\n");
9377 return FAILED;
9378 }
9379
9380 if (qla4xxx_eh_wait_for_commands(ha, scsi_target(cmd->device),
9381 NULL)) {
9382 starget_printk(KERN_INFO, scsi_target(cmd->device),
9383 "WARM TARGET DEVICE RESET FAILED - "
9384 "waiting for commands.\n");
9385 return FAILED;
9386 }
9387
9388
9389 if (qla4xxx_send_marker_iocb(ha, ddb_entry, cmd->device->lun,
9390 MM_TGT_WARM_RESET) != QLA_SUCCESS) {
9391 starget_printk(KERN_INFO, scsi_target(cmd->device),
9392 "WARM TARGET DEVICE RESET FAILED - "
9393 "marker iocb failed.\n");
9394 return FAILED;
9395 }
9396
9397 starget_printk(KERN_INFO, scsi_target(cmd->device),
9398 "WARM TARGET RESET SUCCEEDED.\n");
9399 return SUCCESS;
9400}
9401
9402
9403
9404
9405
9406
9407
9408
9409static int qla4xxx_is_eh_active(struct Scsi_Host *shost)
9410{
9411 if (shost->shost_state == SHOST_RECOVERY)
9412 return 1;
9413 return 0;
9414}
9415
9416
9417
9418
9419
9420
9421
9422
9423static int qla4xxx_eh_host_reset(struct scsi_cmnd *cmd)
9424{
9425 int return_status = FAILED;
9426 struct scsi_qla_host *ha;
9427 int rval;
9428
9429 ha = to_qla_host(cmd->device->host);
9430
9431 rval = qla4xxx_isp_check_reg(ha);
9432 if (rval != QLA_SUCCESS) {
9433 ql4_printk(KERN_INFO, ha, "PCI/Register disconnect, exiting.\n");
9434 return FAILED;
9435 }
9436
9437 if ((is_qla8032(ha) || is_qla8042(ha)) && ql4xdontresethba)
9438 qla4_83xx_set_idc_dontreset(ha);
9439
9440
9441
9442
9443
9444 if (ql4xdontresethba ||
9445 ((is_qla8032(ha) || is_qla8042(ha)) &&
9446 qla4_83xx_idc_dontreset(ha))) {
9447 DEBUG2(printk("scsi%ld: %s: Don't Reset HBA\n",
9448 ha->host_no, __func__));
9449
9450
9451 if (qla4xxx_is_eh_active(cmd->device->host))
9452 qla4xxx_abort_active_cmds(ha, DID_ABORT << 16);
9453
9454 return FAILED;
9455 }
9456
9457 ql4_printk(KERN_INFO, ha,
9458 "scsi(%ld:%d:%d:%llu): HOST RESET ISSUED.\n", ha->host_no,
9459 cmd->device->channel, cmd->device->id, cmd->device->lun);
9460
9461 if (qla4xxx_wait_for_hba_online(ha) != QLA_SUCCESS) {
9462 DEBUG2(printk("scsi%ld:%d: %s: Unable to reset host. Adapter "
9463 "DEAD.\n", ha->host_no, cmd->device->channel,
9464 __func__));
9465
9466 return FAILED;
9467 }
9468
9469 if (!test_bit(DPC_RESET_HA, &ha->dpc_flags)) {
9470 if (is_qla80XX(ha))
9471 set_bit(DPC_RESET_HA_FW_CONTEXT, &ha->dpc_flags);
9472 else
9473 set_bit(DPC_RESET_HA, &ha->dpc_flags);
9474 }
9475
9476 if (qla4xxx_recover_adapter(ha) == QLA_SUCCESS)
9477 return_status = SUCCESS;
9478
9479 ql4_printk(KERN_INFO, ha, "HOST RESET %s.\n",
9480 return_status == FAILED ? "FAILED" : "SUCCEEDED");
9481
9482 return return_status;
9483}
9484
9485static int qla4xxx_context_reset(struct scsi_qla_host *ha)
9486{
9487 uint32_t mbox_cmd[MBOX_REG_COUNT];
9488 uint32_t mbox_sts[MBOX_REG_COUNT];
9489 struct addr_ctrl_blk_def *acb = NULL;
9490 uint32_t acb_len = sizeof(struct addr_ctrl_blk_def);
9491 int rval = QLA_SUCCESS;
9492 dma_addr_t acb_dma;
9493
9494 acb = dma_alloc_coherent(&ha->pdev->dev,
9495 sizeof(struct addr_ctrl_blk_def),
9496 &acb_dma, GFP_KERNEL);
9497 if (!acb) {
9498 ql4_printk(KERN_ERR, ha, "%s: Unable to alloc acb\n",
9499 __func__);
9500 rval = -ENOMEM;
9501 goto exit_port_reset;
9502 }
9503
9504 memset(acb, 0, acb_len);
9505
9506 rval = qla4xxx_get_acb(ha, acb_dma, PRIMARI_ACB, acb_len);
9507 if (rval != QLA_SUCCESS) {
9508 rval = -EIO;
9509 goto exit_free_acb;
9510 }
9511
9512 rval = qla4xxx_disable_acb(ha);
9513 if (rval != QLA_SUCCESS) {
9514 rval = -EIO;
9515 goto exit_free_acb;
9516 }
9517
9518 wait_for_completion_timeout(&ha->disable_acb_comp,
9519 DISABLE_ACB_TOV * HZ);
9520
9521 rval = qla4xxx_set_acb(ha, &mbox_cmd[0], &mbox_sts[0], acb_dma);
9522 if (rval != QLA_SUCCESS) {
9523 rval = -EIO;
9524 goto exit_free_acb;
9525 }
9526
9527exit_free_acb:
9528 dma_free_coherent(&ha->pdev->dev, sizeof(struct addr_ctrl_blk_def),
9529 acb, acb_dma);
9530exit_port_reset:
9531 DEBUG2(ql4_printk(KERN_INFO, ha, "%s %s\n", __func__,
9532 rval == QLA_SUCCESS ? "SUCCEEDED" : "FAILED"));
9533 return rval;
9534}
9535
9536static int qla4xxx_host_reset(struct Scsi_Host *shost, int reset_type)
9537{
9538 struct scsi_qla_host *ha = to_qla_host(shost);
9539 int rval = QLA_SUCCESS;
9540 uint32_t idc_ctrl;
9541
9542 if (ql4xdontresethba) {
9543 DEBUG2(ql4_printk(KERN_INFO, ha, "%s: Don't Reset HBA\n",
9544 __func__));
9545 rval = -EPERM;
9546 goto exit_host_reset;
9547 }
9548
9549 if (test_bit(DPC_RESET_HA, &ha->dpc_flags))
9550 goto recover_adapter;
9551
9552 switch (reset_type) {
9553 case SCSI_ADAPTER_RESET:
9554 set_bit(DPC_RESET_HA, &ha->dpc_flags);
9555 break;
9556 case SCSI_FIRMWARE_RESET:
9557 if (!test_bit(DPC_RESET_HA, &ha->dpc_flags)) {
9558 if (is_qla80XX(ha))
9559
9560 set_bit(DPC_RESET_HA_FW_CONTEXT,
9561 &ha->dpc_flags);
9562 else {
9563 rval = qla4xxx_context_reset(ha);
9564 goto exit_host_reset;
9565 }
9566 }
9567 break;
9568 }
9569
9570recover_adapter:
9571
9572
9573 if ((is_qla8032(ha) || is_qla8042(ha)) &&
9574 test_bit(DPC_RESET_HA, &ha->dpc_flags)) {
9575 idc_ctrl = qla4_83xx_rd_reg(ha, QLA83XX_IDC_DRV_CTRL);
9576 qla4_83xx_wr_reg(ha, QLA83XX_IDC_DRV_CTRL,
9577 (idc_ctrl | GRACEFUL_RESET_BIT1));
9578 }
9579
9580 rval = qla4xxx_recover_adapter(ha);
9581 if (rval != QLA_SUCCESS) {
9582 DEBUG2(ql4_printk(KERN_INFO, ha, "%s: recover adapter fail\n",
9583 __func__));
9584 rval = -EIO;
9585 }
9586
9587exit_host_reset:
9588 return rval;
9589}
9590
9591
9592
9593
9594
9595
9596
9597
9598
9599
9600
9601
9602
9603
9604
9605
9606static pci_ers_result_t
9607qla4xxx_pci_error_detected(struct pci_dev *pdev, pci_channel_state_t state)
9608{
9609 struct scsi_qla_host *ha = pci_get_drvdata(pdev);
9610
9611 ql4_printk(KERN_WARNING, ha, "scsi%ld: %s: error detected:state %x\n",
9612 ha->host_no, __func__, state);
9613
9614 if (!is_aer_supported(ha))
9615 return PCI_ERS_RESULT_NONE;
9616
9617 switch (state) {
9618 case pci_channel_io_normal:
9619 clear_bit(AF_EEH_BUSY, &ha->flags);
9620 return PCI_ERS_RESULT_CAN_RECOVER;
9621 case pci_channel_io_frozen:
9622 set_bit(AF_EEH_BUSY, &ha->flags);
9623 qla4xxx_mailbox_premature_completion(ha);
9624 qla4xxx_free_irqs(ha);
9625 pci_disable_device(pdev);
9626
9627 qla4xxx_abort_active_cmds(ha, DID_RESET << 16);
9628 return PCI_ERS_RESULT_NEED_RESET;
9629 case pci_channel_io_perm_failure:
9630 set_bit(AF_EEH_BUSY, &ha->flags);
9631 set_bit(AF_PCI_CHANNEL_IO_PERM_FAILURE, &ha->flags);
9632 qla4xxx_abort_active_cmds(ha, DID_NO_CONNECT << 16);
9633 return PCI_ERS_RESULT_DISCONNECT;
9634 }
9635 return PCI_ERS_RESULT_NEED_RESET;
9636}
9637
9638
9639
9640
9641
9642
9643
9644static pci_ers_result_t
9645qla4xxx_pci_mmio_enabled(struct pci_dev *pdev)
9646{
9647 struct scsi_qla_host *ha = pci_get_drvdata(pdev);
9648
9649 if (!is_aer_supported(ha))
9650 return PCI_ERS_RESULT_NONE;
9651
9652 return PCI_ERS_RESULT_RECOVERED;
9653}
9654
9655static uint32_t qla4_8xxx_error_recovery(struct scsi_qla_host *ha)
9656{
9657 uint32_t rval = QLA_ERROR;
9658 int fn;
9659 struct pci_dev *other_pdev = NULL;
9660
9661 ql4_printk(KERN_WARNING, ha, "scsi%ld: In %s\n", ha->host_no, __func__);
9662
9663 set_bit(DPC_RESET_ACTIVE, &ha->dpc_flags);
9664
9665 if (test_bit(AF_ONLINE, &ha->flags)) {
9666 clear_bit(AF_ONLINE, &ha->flags);
9667 clear_bit(AF_LINK_UP, &ha->flags);
9668 iscsi_host_for_each_session(ha->host, qla4xxx_fail_session);
9669 qla4xxx_process_aen(ha, FLUSH_DDB_CHANGED_AENS);
9670 }
9671
9672 fn = PCI_FUNC(ha->pdev->devfn);
9673 if (is_qla8022(ha)) {
9674 while (fn > 0) {
9675 fn--;
9676 ql4_printk(KERN_INFO, ha, "scsi%ld: %s: Finding PCI device at func %x\n",
9677 ha->host_no, __func__, fn);
9678
9679
9680 other_pdev = pci_get_domain_bus_and_slot(
9681 pci_domain_nr(ha->pdev->bus),
9682 ha->pdev->bus->number,
9683 PCI_DEVFN(PCI_SLOT(ha->pdev->devfn),
9684 fn));
9685
9686 if (!other_pdev)
9687 continue;
9688
9689 if (atomic_read(&other_pdev->enable_cnt)) {
9690 ql4_printk(KERN_INFO, ha, "scsi%ld: %s: Found PCI func in enabled state%x\n",
9691 ha->host_no, __func__, fn);
9692 pci_dev_put(other_pdev);
9693 break;
9694 }
9695 pci_dev_put(other_pdev);
9696 }
9697 } else {
9698
9699 if (qla4_83xx_can_perform_reset(ha)) {
9700
9701 fn = 0;
9702 }
9703 }
9704
9705
9706
9707
9708
9709 if (!fn) {
9710 ql4_printk(KERN_INFO, ha, "scsi%ld: %s: devfn being reset "
9711 "0x%x is the owner\n", ha->host_no, __func__,
9712 ha->pdev->devfn);
9713
9714 ha->isp_ops->idc_lock(ha);
9715 qla4_8xxx_wr_direct(ha, QLA8XXX_CRB_DEV_STATE,
9716 QLA8XXX_DEV_COLD);
9717 ha->isp_ops->idc_unlock(ha);
9718
9719 rval = qla4_8xxx_update_idc_reg(ha);
9720 if (rval == QLA_ERROR) {
9721 ql4_printk(KERN_INFO, ha, "scsi%ld: %s: HW State: FAILED\n",
9722 ha->host_no, __func__);
9723 ha->isp_ops->idc_lock(ha);
9724 qla4_8xxx_wr_direct(ha, QLA8XXX_CRB_DEV_STATE,
9725 QLA8XXX_DEV_FAILED);
9726 ha->isp_ops->idc_unlock(ha);
9727 goto exit_error_recovery;
9728 }
9729
9730 clear_bit(AF_FW_RECOVERY, &ha->flags);
9731 rval = qla4xxx_initialize_adapter(ha, RESET_ADAPTER);
9732
9733 if (rval != QLA_SUCCESS) {
9734 ql4_printk(KERN_INFO, ha, "scsi%ld: %s: HW State: "
9735 "FAILED\n", ha->host_no, __func__);
9736 qla4xxx_free_irqs(ha);
9737 ha->isp_ops->idc_lock(ha);
9738 qla4_8xxx_clear_drv_active(ha);
9739 qla4_8xxx_wr_direct(ha, QLA8XXX_CRB_DEV_STATE,
9740 QLA8XXX_DEV_FAILED);
9741 ha->isp_ops->idc_unlock(ha);
9742 } else {
9743 ql4_printk(KERN_INFO, ha, "scsi%ld: %s: HW State: "
9744 "READY\n", ha->host_no, __func__);
9745 ha->isp_ops->idc_lock(ha);
9746 qla4_8xxx_wr_direct(ha, QLA8XXX_CRB_DEV_STATE,
9747 QLA8XXX_DEV_READY);
9748
9749 qla4_8xxx_wr_direct(ha, QLA8XXX_CRB_DRV_STATE, 0);
9750 qla4_8xxx_set_drv_active(ha);
9751 ha->isp_ops->idc_unlock(ha);
9752 ha->isp_ops->enable_intrs(ha);
9753 }
9754 } else {
9755 ql4_printk(KERN_INFO, ha, "scsi%ld: %s: devfn 0x%x is not "
9756 "the reset owner\n", ha->host_no, __func__,
9757 ha->pdev->devfn);
9758 if ((qla4_8xxx_rd_direct(ha, QLA8XXX_CRB_DEV_STATE) ==
9759 QLA8XXX_DEV_READY)) {
9760 clear_bit(AF_FW_RECOVERY, &ha->flags);
9761 rval = qla4xxx_initialize_adapter(ha, RESET_ADAPTER);
9762 if (rval == QLA_SUCCESS)
9763 ha->isp_ops->enable_intrs(ha);
9764 else
9765 qla4xxx_free_irqs(ha);
9766
9767 ha->isp_ops->idc_lock(ha);
9768 qla4_8xxx_set_drv_active(ha);
9769 ha->isp_ops->idc_unlock(ha);
9770 }
9771 }
9772exit_error_recovery:
9773 clear_bit(DPC_RESET_ACTIVE, &ha->dpc_flags);
9774 return rval;
9775}
9776
9777static pci_ers_result_t
9778qla4xxx_pci_slot_reset(struct pci_dev *pdev)
9779{
9780 pci_ers_result_t ret = PCI_ERS_RESULT_DISCONNECT;
9781 struct scsi_qla_host *ha = pci_get_drvdata(pdev);
9782 int rc;
9783
9784 ql4_printk(KERN_WARNING, ha, "scsi%ld: %s: slot_reset\n",
9785 ha->host_no, __func__);
9786
9787 if (!is_aer_supported(ha))
9788 return PCI_ERS_RESULT_NONE;
9789
9790
9791
9792
9793
9794 pci_restore_state(pdev);
9795
9796
9797
9798
9799 pci_save_state(pdev);
9800
9801
9802 rc = pci_enable_device(pdev);
9803 if (rc) {
9804 ql4_printk(KERN_WARNING, ha, "scsi%ld: %s: Can't re-enable "
9805 "device after reset\n", ha->host_no, __func__);
9806 goto exit_slot_reset;
9807 }
9808
9809 ha->isp_ops->disable_intrs(ha);
9810
9811 if (is_qla80XX(ha)) {
9812 if (qla4_8xxx_error_recovery(ha) == QLA_SUCCESS) {
9813 ret = PCI_ERS_RESULT_RECOVERED;
9814 goto exit_slot_reset;
9815 } else
9816 goto exit_slot_reset;
9817 }
9818
9819exit_slot_reset:
9820 ql4_printk(KERN_WARNING, ha, "scsi%ld: %s: Return=%x\n"
9821 "device after reset\n", ha->host_no, __func__, ret);
9822 return ret;
9823}
9824
9825static void
9826qla4xxx_pci_resume(struct pci_dev *pdev)
9827{
9828 struct scsi_qla_host *ha = pci_get_drvdata(pdev);
9829 int ret;
9830
9831 ql4_printk(KERN_WARNING, ha, "scsi%ld: %s: pci_resume\n",
9832 ha->host_no, __func__);
9833
9834 ret = qla4xxx_wait_for_hba_online(ha);
9835 if (ret != QLA_SUCCESS) {
9836 ql4_printk(KERN_ERR, ha, "scsi%ld: %s: the device failed to "
9837 "resume I/O from slot/link_reset\n", ha->host_no,
9838 __func__);
9839 }
9840
9841 clear_bit(AF_EEH_BUSY, &ha->flags);
9842}
9843
9844static const struct pci_error_handlers qla4xxx_err_handler = {
9845 .error_detected = qla4xxx_pci_error_detected,
9846 .mmio_enabled = qla4xxx_pci_mmio_enabled,
9847 .slot_reset = qla4xxx_pci_slot_reset,
9848 .resume = qla4xxx_pci_resume,
9849};
9850
9851static struct pci_device_id qla4xxx_pci_tbl[] = {
9852 {
9853 .vendor = PCI_VENDOR_ID_QLOGIC,
9854 .device = PCI_DEVICE_ID_QLOGIC_ISP4010,
9855 .subvendor = PCI_ANY_ID,
9856 .subdevice = PCI_ANY_ID,
9857 },
9858 {
9859 .vendor = PCI_VENDOR_ID_QLOGIC,
9860 .device = PCI_DEVICE_ID_QLOGIC_ISP4022,
9861 .subvendor = PCI_ANY_ID,
9862 .subdevice = PCI_ANY_ID,
9863 },
9864 {
9865 .vendor = PCI_VENDOR_ID_QLOGIC,
9866 .device = PCI_DEVICE_ID_QLOGIC_ISP4032,
9867 .subvendor = PCI_ANY_ID,
9868 .subdevice = PCI_ANY_ID,
9869 },
9870 {
9871 .vendor = PCI_VENDOR_ID_QLOGIC,
9872 .device = PCI_DEVICE_ID_QLOGIC_ISP8022,
9873 .subvendor = PCI_ANY_ID,
9874 .subdevice = PCI_ANY_ID,
9875 },
9876 {
9877 .vendor = PCI_VENDOR_ID_QLOGIC,
9878 .device = PCI_DEVICE_ID_QLOGIC_ISP8324,
9879 .subvendor = PCI_ANY_ID,
9880 .subdevice = PCI_ANY_ID,
9881 },
9882 {
9883 .vendor = PCI_VENDOR_ID_QLOGIC,
9884 .device = PCI_DEVICE_ID_QLOGIC_ISP8042,
9885 .subvendor = PCI_ANY_ID,
9886 .subdevice = PCI_ANY_ID,
9887 },
9888 {0, 0},
9889};
9890MODULE_DEVICE_TABLE(pci, qla4xxx_pci_tbl);
9891
9892static struct pci_driver qla4xxx_pci_driver = {
9893 .name = DRIVER_NAME,
9894 .id_table = qla4xxx_pci_tbl,
9895 .probe = qla4xxx_probe_adapter,
9896 .remove = qla4xxx_remove_adapter,
9897 .err_handler = &qla4xxx_err_handler,
9898};
9899
9900static int __init qla4xxx_module_init(void)
9901{
9902 int ret;
9903
9904 if (ql4xqfulltracking)
9905 qla4xxx_driver_template.track_queue_depth = 1;
9906
9907
9908 srb_cachep = kmem_cache_create("qla4xxx_srbs", sizeof(struct srb), 0,
9909 SLAB_HWCACHE_ALIGN, NULL);
9910 if (srb_cachep == NULL) {
9911 printk(KERN_ERR
9912 "%s: Unable to allocate SRB cache..."
9913 "Failing load!\n", DRIVER_NAME);
9914 ret = -ENOMEM;
9915 goto no_srp_cache;
9916 }
9917
9918
9919 strcpy(qla4xxx_version_str, QLA4XXX_DRIVER_VERSION);
9920 if (ql4xextended_error_logging)
9921 strcat(qla4xxx_version_str, "-debug");
9922
9923 qla4xxx_scsi_transport =
9924 iscsi_register_transport(&qla4xxx_iscsi_transport);
9925 if (!qla4xxx_scsi_transport){
9926 ret = -ENODEV;
9927 goto release_srb_cache;
9928 }
9929
9930 ret = pci_register_driver(&qla4xxx_pci_driver);
9931 if (ret)
9932 goto unregister_transport;
9933
9934 printk(KERN_INFO "QLogic iSCSI HBA Driver\n");
9935 return 0;
9936
9937unregister_transport:
9938 iscsi_unregister_transport(&qla4xxx_iscsi_transport);
9939release_srb_cache:
9940 kmem_cache_destroy(srb_cachep);
9941no_srp_cache:
9942 return ret;
9943}
9944
9945static void __exit qla4xxx_module_exit(void)
9946{
9947 pci_unregister_driver(&qla4xxx_pci_driver);
9948 iscsi_unregister_transport(&qla4xxx_iscsi_transport);
9949 kmem_cache_destroy(srb_cachep);
9950}
9951
9952module_init(qla4xxx_module_init);
9953module_exit(qla4xxx_module_exit);
9954
9955MODULE_AUTHOR("QLogic Corporation");
9956MODULE_DESCRIPTION("QLogic iSCSI HBA Driver");
9957MODULE_LICENSE("GPL");
9958MODULE_VERSION(QLA4XXX_DRIVER_VERSION);
9959
