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5
6
7#include <linux/moduleparam.h>
8#include <linux/slab.h>
9#include <linux/blkdev.h>
10#include <linux/iscsi_boot_sysfs.h>
11#include <linux/inet.h>
12
13#include <scsi/scsi_tcq.h>
14#include <scsi/scsicam.h>
15
16#include "ql4_def.h"
17#include "ql4_version.h"
18#include "ql4_glbl.h"
19#include "ql4_dbg.h"
20#include "ql4_inline.h"
21#include "ql4_83xx.h"
22
23
24
25
26static char qla4xxx_version_str[40];
27
28
29
30
31static struct kmem_cache *srb_cachep;
32
33
34
35
36static int ql4xdisablesysfsboot = 1;
37module_param(ql4xdisablesysfsboot, int, S_IRUGO | S_IWUSR);
38MODULE_PARM_DESC(ql4xdisablesysfsboot,
39 " Set to disable exporting boot targets to sysfs.\n"
40 "\t\t 0 - Export boot targets\n"
41 "\t\t 1 - Do not export boot targets (Default)");
42
43int ql4xdontresethba;
44module_param(ql4xdontresethba, int, S_IRUGO | S_IWUSR);
45MODULE_PARM_DESC(ql4xdontresethba,
46 " Don't reset the HBA for driver recovery.\n"
47 "\t\t 0 - It will reset HBA (Default)\n"
48 "\t\t 1 - It will NOT reset HBA");
49
50int ql4xextended_error_logging;
51module_param(ql4xextended_error_logging, int, S_IRUGO | S_IWUSR);
52MODULE_PARM_DESC(ql4xextended_error_logging,
53 " Option to enable extended error logging.\n"
54 "\t\t 0 - no logging (Default)\n"
55 "\t\t 2 - debug logging");
56
57int ql4xenablemsix = 1;
58module_param(ql4xenablemsix, int, S_IRUGO|S_IWUSR);
59MODULE_PARM_DESC(ql4xenablemsix,
60 " Set to enable MSI or MSI-X interrupt mechanism.\n"
61 "\t\t 0 = enable INTx interrupt mechanism.\n"
62 "\t\t 1 = enable MSI-X interrupt mechanism (Default).\n"
63 "\t\t 2 = enable MSI interrupt mechanism.");
64
65#define QL4_DEF_QDEPTH 32
66static int ql4xmaxqdepth = QL4_DEF_QDEPTH;
67module_param(ql4xmaxqdepth, int, S_IRUGO | S_IWUSR);
68MODULE_PARM_DESC(ql4xmaxqdepth,
69 " Maximum queue depth to report for target devices.\n"
70 "\t\t Default: 32.");
71
72static int ql4xqfulltracking = 1;
73module_param(ql4xqfulltracking, int, S_IRUGO | S_IWUSR);
74MODULE_PARM_DESC(ql4xqfulltracking,
75 " Enable or disable dynamic tracking and adjustment of\n"
76 "\t\t scsi device queue depth.\n"
77 "\t\t 0 - Disable.\n"
78 "\t\t 1 - Enable. (Default)");
79
80static int ql4xsess_recovery_tmo = QL4_SESS_RECOVERY_TMO;
81module_param(ql4xsess_recovery_tmo, int, S_IRUGO);
82MODULE_PARM_DESC(ql4xsess_recovery_tmo,
83 " Target Session Recovery Timeout.\n"
84 "\t\t Default: 120 sec.");
85
86int ql4xmdcapmask = 0x1F;
87module_param(ql4xmdcapmask, int, S_IRUGO);
88MODULE_PARM_DESC(ql4xmdcapmask,
89 " Set the Minidump driver capture mask level.\n"
90 "\t\t Default is 0x1F.\n"
91 "\t\t Can be set to 0x3, 0x7, 0xF, 0x1F, 0x3F, 0x7F");
92
93int ql4xenablemd = 1;
94module_param(ql4xenablemd, int, S_IRUGO | S_IWUSR);
95MODULE_PARM_DESC(ql4xenablemd,
96 " Set to enable minidump.\n"
97 "\t\t 0 - disable minidump\n"
98 "\t\t 1 - enable minidump (Default)");
99
100static int qla4xxx_wait_for_hba_online(struct scsi_qla_host *ha);
101
102
103
104static void qla4xxx_config_dma_addressing(struct scsi_qla_host *ha);
105
106
107
108
109static int qla4xxx_session_get_param(struct iscsi_cls_session *cls_sess,
110 enum iscsi_param param, char *buf);
111static int qla4xxx_conn_get_param(struct iscsi_cls_conn *conn,
112 enum iscsi_param param, char *buf);
113static int qla4xxx_host_get_param(struct Scsi_Host *shost,
114 enum iscsi_host_param param, char *buf);
115static int qla4xxx_iface_set_param(struct Scsi_Host *shost, void *data,
116 uint32_t len);
117static int qla4xxx_get_iface_param(struct iscsi_iface *iface,
118 enum iscsi_param_type param_type,
119 int param, char *buf);
120static enum blk_eh_timer_return qla4xxx_eh_cmd_timed_out(struct scsi_cmnd *sc);
121static struct iscsi_endpoint *qla4xxx_ep_connect(struct Scsi_Host *shost,
122 struct sockaddr *dst_addr,
123 int non_blocking);
124static int qla4xxx_ep_poll(struct iscsi_endpoint *ep, int timeout_ms);
125static void qla4xxx_ep_disconnect(struct iscsi_endpoint *ep);
126static int qla4xxx_get_ep_param(struct iscsi_endpoint *ep,
127 enum iscsi_param param, char *buf);
128static int qla4xxx_conn_start(struct iscsi_cls_conn *conn);
129static struct iscsi_cls_conn *
130qla4xxx_conn_create(struct iscsi_cls_session *cls_sess, uint32_t conn_idx);
131static int qla4xxx_conn_bind(struct iscsi_cls_session *cls_session,
132 struct iscsi_cls_conn *cls_conn,
133 uint64_t transport_fd, int is_leading);
134static void qla4xxx_conn_destroy(struct iscsi_cls_conn *conn);
135static struct iscsi_cls_session *
136qla4xxx_session_create(struct iscsi_endpoint *ep, uint16_t cmds_max,
137 uint16_t qdepth, uint32_t initial_cmdsn);
138static void qla4xxx_session_destroy(struct iscsi_cls_session *sess);
139static void qla4xxx_task_work(struct work_struct *wdata);
140static int qla4xxx_alloc_pdu(struct iscsi_task *, uint8_t);
141static int qla4xxx_task_xmit(struct iscsi_task *);
142static void qla4xxx_task_cleanup(struct iscsi_task *);
143static void qla4xxx_fail_session(struct iscsi_cls_session *cls_session);
144static void qla4xxx_conn_get_stats(struct iscsi_cls_conn *cls_conn,
145 struct iscsi_stats *stats);
146static int qla4xxx_send_ping(struct Scsi_Host *shost, uint32_t iface_num,
147 uint32_t iface_type, uint32_t payload_size,
148 uint32_t pid, struct sockaddr *dst_addr);
149static int qla4xxx_get_chap_list(struct Scsi_Host *shost, uint16_t chap_tbl_idx,
150 uint32_t *num_entries, char *buf);
151static int qla4xxx_delete_chap(struct Scsi_Host *shost, uint16_t chap_tbl_idx);
152
153
154
155
156static int qla4xxx_queuecommand(struct Scsi_Host *h, struct scsi_cmnd *cmd);
157static int qla4xxx_eh_abort(struct scsi_cmnd *cmd);
158static int qla4xxx_eh_device_reset(struct scsi_cmnd *cmd);
159static int qla4xxx_eh_target_reset(struct scsi_cmnd *cmd);
160static int qla4xxx_eh_host_reset(struct scsi_cmnd *cmd);
161static int qla4xxx_slave_alloc(struct scsi_device *device);
162static int qla4xxx_slave_configure(struct scsi_device *device);
163static void qla4xxx_slave_destroy(struct scsi_device *sdev);
164static umode_t qla4_attr_is_visible(int param_type, int param);
165static int qla4xxx_host_reset(struct Scsi_Host *shost, int reset_type);
166static int qla4xxx_change_queue_depth(struct scsi_device *sdev, int qdepth,
167 int reason);
168
169static struct qla4_8xxx_legacy_intr_set legacy_intr[] =
170 QLA82XX_LEGACY_INTR_CONFIG;
171
172static struct scsi_host_template qla4xxx_driver_template = {
173 .module = THIS_MODULE,
174 .name = DRIVER_NAME,
175 .proc_name = DRIVER_NAME,
176 .queuecommand = qla4xxx_queuecommand,
177
178 .eh_abort_handler = qla4xxx_eh_abort,
179 .eh_device_reset_handler = qla4xxx_eh_device_reset,
180 .eh_target_reset_handler = qla4xxx_eh_target_reset,
181 .eh_host_reset_handler = qla4xxx_eh_host_reset,
182 .eh_timed_out = qla4xxx_eh_cmd_timed_out,
183
184 .slave_configure = qla4xxx_slave_configure,
185 .slave_alloc = qla4xxx_slave_alloc,
186 .slave_destroy = qla4xxx_slave_destroy,
187 .change_queue_depth = qla4xxx_change_queue_depth,
188
189 .this_id = -1,
190 .cmd_per_lun = 3,
191 .use_clustering = ENABLE_CLUSTERING,
192 .sg_tablesize = SG_ALL,
193
194 .max_sectors = 0xFFFF,
195 .shost_attrs = qla4xxx_host_attrs,
196 .host_reset = qla4xxx_host_reset,
197 .vendor_id = SCSI_NL_VID_TYPE_PCI | PCI_VENDOR_ID_QLOGIC,
198};
199
200static struct iscsi_transport qla4xxx_iscsi_transport = {
201 .owner = THIS_MODULE,
202 .name = DRIVER_NAME,
203 .caps = CAP_TEXT_NEGO |
204 CAP_DATA_PATH_OFFLOAD | CAP_HDRDGST |
205 CAP_DATADGST | CAP_LOGIN_OFFLOAD |
206 CAP_MULTI_R2T,
207 .attr_is_visible = qla4_attr_is_visible,
208 .create_session = qla4xxx_session_create,
209 .destroy_session = qla4xxx_session_destroy,
210 .start_conn = qla4xxx_conn_start,
211 .create_conn = qla4xxx_conn_create,
212 .bind_conn = qla4xxx_conn_bind,
213 .stop_conn = iscsi_conn_stop,
214 .destroy_conn = qla4xxx_conn_destroy,
215 .set_param = iscsi_set_param,
216 .get_conn_param = qla4xxx_conn_get_param,
217 .get_session_param = qla4xxx_session_get_param,
218 .get_ep_param = qla4xxx_get_ep_param,
219 .ep_connect = qla4xxx_ep_connect,
220 .ep_poll = qla4xxx_ep_poll,
221 .ep_disconnect = qla4xxx_ep_disconnect,
222 .get_stats = qla4xxx_conn_get_stats,
223 .send_pdu = iscsi_conn_send_pdu,
224 .xmit_task = qla4xxx_task_xmit,
225 .cleanup_task = qla4xxx_task_cleanup,
226 .alloc_pdu = qla4xxx_alloc_pdu,
227
228 .get_host_param = qla4xxx_host_get_param,
229 .set_iface_param = qla4xxx_iface_set_param,
230 .get_iface_param = qla4xxx_get_iface_param,
231 .bsg_request = qla4xxx_bsg_request,
232 .send_ping = qla4xxx_send_ping,
233 .get_chap = qla4xxx_get_chap_list,
234 .delete_chap = qla4xxx_delete_chap,
235};
236
237static struct scsi_transport_template *qla4xxx_scsi_transport;
238
239static int qla4xxx_send_ping(struct Scsi_Host *shost, uint32_t iface_num,
240 uint32_t iface_type, uint32_t payload_size,
241 uint32_t pid, struct sockaddr *dst_addr)
242{
243 struct scsi_qla_host *ha = to_qla_host(shost);
244 struct sockaddr_in *addr;
245 struct sockaddr_in6 *addr6;
246 uint32_t options = 0;
247 uint8_t ipaddr[IPv6_ADDR_LEN];
248 int rval;
249
250 memset(ipaddr, 0, IPv6_ADDR_LEN);
251
252 if ((iface_type == ISCSI_IFACE_TYPE_IPV4) &&
253 (dst_addr->sa_family == AF_INET)) {
254 addr = (struct sockaddr_in *)dst_addr;
255 memcpy(ipaddr, &addr->sin_addr.s_addr, IP_ADDR_LEN);
256 DEBUG2(ql4_printk(KERN_INFO, ha, "%s: IPv4 Ping src: %pI4 "
257 "dest: %pI4\n", __func__,
258 &ha->ip_config.ip_address, ipaddr));
259 rval = qla4xxx_ping_iocb(ha, options, payload_size, pid,
260 ipaddr);
261 if (rval)
262 rval = -EINVAL;
263 } else if ((iface_type == ISCSI_IFACE_TYPE_IPV6) &&
264 (dst_addr->sa_family == AF_INET6)) {
265
266 addr6 = (struct sockaddr_in6 *)dst_addr;
267 memcpy(ipaddr, &addr6->sin6_addr.in6_u.u6_addr8, IPv6_ADDR_LEN);
268
269 options |= PING_IPV6_PROTOCOL_ENABLE;
270
271
272 if ((iface_num == 0) || (iface_num == 1)) {
273 DEBUG2(ql4_printk(KERN_INFO, ha, "%s: LinkLocal Ping "
274 "src: %pI6 dest: %pI6\n", __func__,
275 &ha->ip_config.ipv6_link_local_addr,
276 ipaddr));
277 options |= PING_IPV6_LINKLOCAL_ADDR;
278 rval = qla4xxx_ping_iocb(ha, options, payload_size,
279 pid, ipaddr);
280 } else {
281 ql4_printk(KERN_WARNING, ha, "%s: iface num = %d "
282 "not supported\n", __func__, iface_num);
283 rval = -ENOSYS;
284 goto exit_send_ping;
285 }
286
287
288
289
290
291 if (rval != QLA_SUCCESS) {
292 options &= ~PING_IPV6_LINKLOCAL_ADDR;
293 if (iface_num == 0) {
294 options |= PING_IPV6_ADDR0;
295 DEBUG2(ql4_printk(KERN_INFO, ha, "%s: IPv6 "
296 "Ping src: %pI6 "
297 "dest: %pI6\n", __func__,
298 &ha->ip_config.ipv6_addr0,
299 ipaddr));
300 } else if (iface_num == 1) {
301 options |= PING_IPV6_ADDR1;
302 DEBUG2(ql4_printk(KERN_INFO, ha, "%s: IPv6 "
303 "Ping src: %pI6 "
304 "dest: %pI6\n", __func__,
305 &ha->ip_config.ipv6_addr1,
306 ipaddr));
307 }
308 rval = qla4xxx_ping_iocb(ha, options, payload_size,
309 pid, ipaddr);
310 if (rval)
311 rval = -EINVAL;
312 }
313 } else
314 rval = -ENOSYS;
315exit_send_ping:
316 return rval;
317}
318
319static umode_t qla4_attr_is_visible(int param_type, int param)
320{
321 switch (param_type) {
322 case ISCSI_HOST_PARAM:
323 switch (param) {
324 case ISCSI_HOST_PARAM_HWADDRESS:
325 case ISCSI_HOST_PARAM_IPADDRESS:
326 case ISCSI_HOST_PARAM_INITIATOR_NAME:
327 case ISCSI_HOST_PARAM_PORT_STATE:
328 case ISCSI_HOST_PARAM_PORT_SPEED:
329 return S_IRUGO;
330 default:
331 return 0;
332 }
333 case ISCSI_PARAM:
334 switch (param) {
335 case ISCSI_PARAM_PERSISTENT_ADDRESS:
336 case ISCSI_PARAM_PERSISTENT_PORT:
337 case ISCSI_PARAM_CONN_ADDRESS:
338 case ISCSI_PARAM_CONN_PORT:
339 case ISCSI_PARAM_TARGET_NAME:
340 case ISCSI_PARAM_TPGT:
341 case ISCSI_PARAM_TARGET_ALIAS:
342 case ISCSI_PARAM_MAX_BURST:
343 case ISCSI_PARAM_MAX_R2T:
344 case ISCSI_PARAM_FIRST_BURST:
345 case ISCSI_PARAM_MAX_RECV_DLENGTH:
346 case ISCSI_PARAM_MAX_XMIT_DLENGTH:
347 case ISCSI_PARAM_IFACE_NAME:
348 case ISCSI_PARAM_CHAP_OUT_IDX:
349 case ISCSI_PARAM_CHAP_IN_IDX:
350 case ISCSI_PARAM_USERNAME:
351 case ISCSI_PARAM_PASSWORD:
352 case ISCSI_PARAM_USERNAME_IN:
353 case ISCSI_PARAM_PASSWORD_IN:
354 return S_IRUGO;
355 default:
356 return 0;
357 }
358 case ISCSI_NET_PARAM:
359 switch (param) {
360 case ISCSI_NET_PARAM_IPV4_ADDR:
361 case ISCSI_NET_PARAM_IPV4_SUBNET:
362 case ISCSI_NET_PARAM_IPV4_GW:
363 case ISCSI_NET_PARAM_IPV4_BOOTPROTO:
364 case ISCSI_NET_PARAM_IFACE_ENABLE:
365 case ISCSI_NET_PARAM_IPV6_LINKLOCAL:
366 case ISCSI_NET_PARAM_IPV6_ADDR:
367 case ISCSI_NET_PARAM_IPV6_ROUTER:
368 case ISCSI_NET_PARAM_IPV6_ADDR_AUTOCFG:
369 case ISCSI_NET_PARAM_IPV6_LINKLOCAL_AUTOCFG:
370 case ISCSI_NET_PARAM_VLAN_ID:
371 case ISCSI_NET_PARAM_VLAN_PRIORITY:
372 case ISCSI_NET_PARAM_VLAN_ENABLED:
373 case ISCSI_NET_PARAM_MTU:
374 case ISCSI_NET_PARAM_PORT:
375 return S_IRUGO;
376 default:
377 return 0;
378 }
379 }
380
381 return 0;
382}
383
384static int qla4xxx_get_chap_list(struct Scsi_Host *shost, uint16_t chap_tbl_idx,
385 uint32_t *num_entries, char *buf)
386{
387 struct scsi_qla_host *ha = to_qla_host(shost);
388 struct ql4_chap_table *chap_table;
389 struct iscsi_chap_rec *chap_rec;
390 int max_chap_entries = 0;
391 int valid_chap_entries = 0;
392 int ret = 0, i;
393
394 if (is_qla8022(ha))
395 max_chap_entries = (ha->hw.flt_chap_size / 2) /
396 sizeof(struct ql4_chap_table);
397 else
398 max_chap_entries = MAX_CHAP_ENTRIES_40XX;
399
400 ql4_printk(KERN_INFO, ha, "%s: num_entries = %d, CHAP idx = %d\n",
401 __func__, *num_entries, chap_tbl_idx);
402
403 if (!buf) {
404 ret = -ENOMEM;
405 goto exit_get_chap_list;
406 }
407
408 chap_rec = (struct iscsi_chap_rec *) buf;
409 mutex_lock(&ha->chap_sem);
410 for (i = chap_tbl_idx; i < max_chap_entries; i++) {
411 chap_table = (struct ql4_chap_table *)ha->chap_list + i;
412 if (chap_table->cookie !=
413 __constant_cpu_to_le16(CHAP_VALID_COOKIE))
414 continue;
415
416 chap_rec->chap_tbl_idx = i;
417 strncpy(chap_rec->username, chap_table->name,
418 ISCSI_CHAP_AUTH_NAME_MAX_LEN);
419 strncpy(chap_rec->password, chap_table->secret,
420 QL4_CHAP_MAX_SECRET_LEN);
421 chap_rec->password_length = chap_table->secret_len;
422
423 if (chap_table->flags & BIT_7)
424 chap_rec->chap_type = CHAP_TYPE_OUT;
425
426 if (chap_table->flags & BIT_6)
427 chap_rec->chap_type = CHAP_TYPE_IN;
428
429 chap_rec++;
430
431 valid_chap_entries++;
432 if (valid_chap_entries == *num_entries)
433 break;
434 else
435 continue;
436 }
437 mutex_unlock(&ha->chap_sem);
438
439exit_get_chap_list:
440 ql4_printk(KERN_INFO, ha, "%s: Valid CHAP Entries = %d\n",
441 __func__, valid_chap_entries);
442 *num_entries = valid_chap_entries;
443 return ret;
444}
445
446static int __qla4xxx_is_chap_active(struct device *dev, void *data)
447{
448 int ret = 0;
449 uint16_t *chap_tbl_idx = (uint16_t *) data;
450 struct iscsi_cls_session *cls_session;
451 struct iscsi_session *sess;
452 struct ddb_entry *ddb_entry;
453
454 if (!iscsi_is_session_dev(dev))
455 goto exit_is_chap_active;
456
457 cls_session = iscsi_dev_to_session(dev);
458 sess = cls_session->dd_data;
459 ddb_entry = sess->dd_data;
460
461 if (iscsi_session_chkready(cls_session))
462 goto exit_is_chap_active;
463
464 if (ddb_entry->chap_tbl_idx == *chap_tbl_idx)
465 ret = 1;
466
467exit_is_chap_active:
468 return ret;
469}
470
471static int qla4xxx_is_chap_active(struct Scsi_Host *shost,
472 uint16_t chap_tbl_idx)
473{
474 int ret = 0;
475
476 ret = device_for_each_child(&shost->shost_gendev, &chap_tbl_idx,
477 __qla4xxx_is_chap_active);
478
479 return ret;
480}
481
482static int qla4xxx_delete_chap(struct Scsi_Host *shost, uint16_t chap_tbl_idx)
483{
484 struct scsi_qla_host *ha = to_qla_host(shost);
485 struct ql4_chap_table *chap_table;
486 dma_addr_t chap_dma;
487 int max_chap_entries = 0;
488 uint32_t offset = 0;
489 uint32_t chap_size;
490 int ret = 0;
491
492 chap_table = dma_pool_alloc(ha->chap_dma_pool, GFP_KERNEL, &chap_dma);
493 if (chap_table == NULL)
494 return -ENOMEM;
495
496 memset(chap_table, 0, sizeof(struct ql4_chap_table));
497
498 if (is_qla8022(ha))
499 max_chap_entries = (ha->hw.flt_chap_size / 2) /
500 sizeof(struct ql4_chap_table);
501 else
502 max_chap_entries = MAX_CHAP_ENTRIES_40XX;
503
504 if (chap_tbl_idx > max_chap_entries) {
505 ret = -EINVAL;
506 goto exit_delete_chap;
507 }
508
509
510
511 ret = qla4xxx_is_chap_active(shost, chap_tbl_idx);
512 if (ret) {
513 ql4_printk(KERN_INFO, ha, "CHAP entry %d is in use, cannot "
514 "delete from flash\n", chap_tbl_idx);
515 ret = -EBUSY;
516 goto exit_delete_chap;
517 }
518
519 chap_size = sizeof(struct ql4_chap_table);
520 if (is_qla40XX(ha))
521 offset = FLASH_CHAP_OFFSET | (chap_tbl_idx * chap_size);
522 else {
523 offset = FLASH_RAW_ACCESS_ADDR + (ha->hw.flt_region_chap << 2);
524
525
526
527 if (ha->port_num == 1)
528 offset += (ha->hw.flt_chap_size / 2);
529 offset += (chap_tbl_idx * chap_size);
530 }
531
532 ret = qla4xxx_get_flash(ha, chap_dma, offset, chap_size);
533 if (ret != QLA_SUCCESS) {
534 ret = -EINVAL;
535 goto exit_delete_chap;
536 }
537
538 DEBUG2(ql4_printk(KERN_INFO, ha, "Chap Cookie: x%x\n",
539 __le16_to_cpu(chap_table->cookie)));
540
541 if (__le16_to_cpu(chap_table->cookie) != CHAP_VALID_COOKIE) {
542 ql4_printk(KERN_ERR, ha, "No valid chap entry found\n");
543 goto exit_delete_chap;
544 }
545
546 chap_table->cookie = __constant_cpu_to_le16(0xFFFF);
547
548 offset = FLASH_CHAP_OFFSET |
549 (chap_tbl_idx * sizeof(struct ql4_chap_table));
550 ret = qla4xxx_set_flash(ha, chap_dma, offset, chap_size,
551 FLASH_OPT_RMW_COMMIT);
552 if (ret == QLA_SUCCESS && ha->chap_list) {
553 mutex_lock(&ha->chap_sem);
554
555 memcpy((struct ql4_chap_table *)ha->chap_list + chap_tbl_idx,
556 chap_table, sizeof(struct ql4_chap_table));
557 mutex_unlock(&ha->chap_sem);
558 }
559 if (ret != QLA_SUCCESS)
560 ret = -EINVAL;
561
562exit_delete_chap:
563 dma_pool_free(ha->chap_dma_pool, chap_table, chap_dma);
564 return ret;
565}
566
567static int qla4xxx_get_iface_param(struct iscsi_iface *iface,
568 enum iscsi_param_type param_type,
569 int param, char *buf)
570{
571 struct Scsi_Host *shost = iscsi_iface_to_shost(iface);
572 struct scsi_qla_host *ha = to_qla_host(shost);
573 int len = -ENOSYS;
574
575 if (param_type != ISCSI_NET_PARAM)
576 return -ENOSYS;
577
578 switch (param) {
579 case ISCSI_NET_PARAM_IPV4_ADDR:
580 len = sprintf(buf, "%pI4\n", &ha->ip_config.ip_address);
581 break;
582 case ISCSI_NET_PARAM_IPV4_SUBNET:
583 len = sprintf(buf, "%pI4\n", &ha->ip_config.subnet_mask);
584 break;
585 case ISCSI_NET_PARAM_IPV4_GW:
586 len = sprintf(buf, "%pI4\n", &ha->ip_config.gateway);
587 break;
588 case ISCSI_NET_PARAM_IFACE_ENABLE:
589 if (iface->iface_type == ISCSI_IFACE_TYPE_IPV4)
590 len = sprintf(buf, "%s\n",
591 (ha->ip_config.ipv4_options &
592 IPOPT_IPV4_PROTOCOL_ENABLE) ?
593 "enabled" : "disabled");
594 else if (iface->iface_type == ISCSI_IFACE_TYPE_IPV6)
595 len = sprintf(buf, "%s\n",
596 (ha->ip_config.ipv6_options &
597 IPV6_OPT_IPV6_PROTOCOL_ENABLE) ?
598 "enabled" : "disabled");
599 break;
600 case ISCSI_NET_PARAM_IPV4_BOOTPROTO:
601 len = sprintf(buf, "%s\n",
602 (ha->ip_config.tcp_options & TCPOPT_DHCP_ENABLE) ?
603 "dhcp" : "static");
604 break;
605 case ISCSI_NET_PARAM_IPV6_ADDR:
606 if (iface->iface_num == 0)
607 len = sprintf(buf, "%pI6\n", &ha->ip_config.ipv6_addr0);
608 if (iface->iface_num == 1)
609 len = sprintf(buf, "%pI6\n", &ha->ip_config.ipv6_addr1);
610 break;
611 case ISCSI_NET_PARAM_IPV6_LINKLOCAL:
612 len = sprintf(buf, "%pI6\n",
613 &ha->ip_config.ipv6_link_local_addr);
614 break;
615 case ISCSI_NET_PARAM_IPV6_ROUTER:
616 len = sprintf(buf, "%pI6\n",
617 &ha->ip_config.ipv6_default_router_addr);
618 break;
619 case ISCSI_NET_PARAM_IPV6_ADDR_AUTOCFG:
620 len = sprintf(buf, "%s\n",
621 (ha->ip_config.ipv6_addl_options &
622 IPV6_ADDOPT_NEIGHBOR_DISCOVERY_ADDR_ENABLE) ?
623 "nd" : "static");
624 break;
625 case ISCSI_NET_PARAM_IPV6_LINKLOCAL_AUTOCFG:
626 len = sprintf(buf, "%s\n",
627 (ha->ip_config.ipv6_addl_options &
628 IPV6_ADDOPT_AUTOCONFIG_LINK_LOCAL_ADDR) ?
629 "auto" : "static");
630 break;
631 case ISCSI_NET_PARAM_VLAN_ID:
632 if (iface->iface_type == ISCSI_IFACE_TYPE_IPV4)
633 len = sprintf(buf, "%d\n",
634 (ha->ip_config.ipv4_vlan_tag &
635 ISCSI_MAX_VLAN_ID));
636 else if (iface->iface_type == ISCSI_IFACE_TYPE_IPV6)
637 len = sprintf(buf, "%d\n",
638 (ha->ip_config.ipv6_vlan_tag &
639 ISCSI_MAX_VLAN_ID));
640 break;
641 case ISCSI_NET_PARAM_VLAN_PRIORITY:
642 if (iface->iface_type == ISCSI_IFACE_TYPE_IPV4)
643 len = sprintf(buf, "%d\n",
644 ((ha->ip_config.ipv4_vlan_tag >> 13) &
645 ISCSI_MAX_VLAN_PRIORITY));
646 else if (iface->iface_type == ISCSI_IFACE_TYPE_IPV6)
647 len = sprintf(buf, "%d\n",
648 ((ha->ip_config.ipv6_vlan_tag >> 13) &
649 ISCSI_MAX_VLAN_PRIORITY));
650 break;
651 case ISCSI_NET_PARAM_VLAN_ENABLED:
652 if (iface->iface_type == ISCSI_IFACE_TYPE_IPV4)
653 len = sprintf(buf, "%s\n",
654 (ha->ip_config.ipv4_options &
655 IPOPT_VLAN_TAGGING_ENABLE) ?
656 "enabled" : "disabled");
657 else if (iface->iface_type == ISCSI_IFACE_TYPE_IPV6)
658 len = sprintf(buf, "%s\n",
659 (ha->ip_config.ipv6_options &
660 IPV6_OPT_VLAN_TAGGING_ENABLE) ?
661 "enabled" : "disabled");
662 break;
663 case ISCSI_NET_PARAM_MTU:
664 len = sprintf(buf, "%d\n", ha->ip_config.eth_mtu_size);
665 break;
666 case ISCSI_NET_PARAM_PORT:
667 if (iface->iface_type == ISCSI_IFACE_TYPE_IPV4)
668 len = sprintf(buf, "%d\n", ha->ip_config.ipv4_port);
669 else if (iface->iface_type == ISCSI_IFACE_TYPE_IPV6)
670 len = sprintf(buf, "%d\n", ha->ip_config.ipv6_port);
671 break;
672 default:
673 len = -ENOSYS;
674 }
675
676 return len;
677}
678
679static struct iscsi_endpoint *
680qla4xxx_ep_connect(struct Scsi_Host *shost, struct sockaddr *dst_addr,
681 int non_blocking)
682{
683 int ret;
684 struct iscsi_endpoint *ep;
685 struct qla_endpoint *qla_ep;
686 struct scsi_qla_host *ha;
687 struct sockaddr_in *addr;
688 struct sockaddr_in6 *addr6;
689
690 DEBUG2(printk(KERN_INFO "Func: %s\n", __func__));
691 if (!shost) {
692 ret = -ENXIO;
693 printk(KERN_ERR "%s: shost is NULL\n",
694 __func__);
695 return ERR_PTR(ret);
696 }
697
698 ha = iscsi_host_priv(shost);
699
700 ep = iscsi_create_endpoint(sizeof(struct qla_endpoint));
701 if (!ep) {
702 ret = -ENOMEM;
703 return ERR_PTR(ret);
704 }
705
706 qla_ep = ep->dd_data;
707 memset(qla_ep, 0, sizeof(struct qla_endpoint));
708 if (dst_addr->sa_family == AF_INET) {
709 memcpy(&qla_ep->dst_addr, dst_addr, sizeof(struct sockaddr_in));
710 addr = (struct sockaddr_in *)&qla_ep->dst_addr;
711 DEBUG2(ql4_printk(KERN_INFO, ha, "%s: %pI4\n", __func__,
712 (char *)&addr->sin_addr));
713 } else if (dst_addr->sa_family == AF_INET6) {
714 memcpy(&qla_ep->dst_addr, dst_addr,
715 sizeof(struct sockaddr_in6));
716 addr6 = (struct sockaddr_in6 *)&qla_ep->dst_addr;
717 DEBUG2(ql4_printk(KERN_INFO, ha, "%s: %pI6\n", __func__,
718 (char *)&addr6->sin6_addr));
719 }
720
721 qla_ep->host = shost;
722
723 return ep;
724}
725
726static int qla4xxx_ep_poll(struct iscsi_endpoint *ep, int timeout_ms)
727{
728 struct qla_endpoint *qla_ep;
729 struct scsi_qla_host *ha;
730 int ret = 0;
731
732 DEBUG2(printk(KERN_INFO "Func: %s\n", __func__));
733 qla_ep = ep->dd_data;
734 ha = to_qla_host(qla_ep->host);
735
736 if (adapter_up(ha) && !test_bit(AF_BUILD_DDB_LIST, &ha->flags))
737 ret = 1;
738
739 return ret;
740}
741
742static void qla4xxx_ep_disconnect(struct iscsi_endpoint *ep)
743{
744 DEBUG2(printk(KERN_INFO "Func: %s\n", __func__));
745 iscsi_destroy_endpoint(ep);
746}
747
748static int qla4xxx_get_ep_param(struct iscsi_endpoint *ep,
749 enum iscsi_param param,
750 char *buf)
751{
752 struct qla_endpoint *qla_ep = ep->dd_data;
753 struct sockaddr *dst_addr;
754
755 DEBUG2(printk(KERN_INFO "Func: %s\n", __func__));
756
757 switch (param) {
758 case ISCSI_PARAM_CONN_PORT:
759 case ISCSI_PARAM_CONN_ADDRESS:
760 if (!qla_ep)
761 return -ENOTCONN;
762
763 dst_addr = (struct sockaddr *)&qla_ep->dst_addr;
764 if (!dst_addr)
765 return -ENOTCONN;
766
767 return iscsi_conn_get_addr_param((struct sockaddr_storage *)
768 &qla_ep->dst_addr, param, buf);
769 default:
770 return -ENOSYS;
771 }
772}
773
774static void qla4xxx_conn_get_stats(struct iscsi_cls_conn *cls_conn,
775 struct iscsi_stats *stats)
776{
777 struct iscsi_session *sess;
778 struct iscsi_cls_session *cls_sess;
779 struct ddb_entry *ddb_entry;
780 struct scsi_qla_host *ha;
781 struct ql_iscsi_stats *ql_iscsi_stats;
782 int stats_size;
783 int ret;
784 dma_addr_t iscsi_stats_dma;
785
786 DEBUG2(printk(KERN_INFO "Func: %s\n", __func__));
787
788 cls_sess = iscsi_conn_to_session(cls_conn);
789 sess = cls_sess->dd_data;
790 ddb_entry = sess->dd_data;
791 ha = ddb_entry->ha;
792
793 stats_size = PAGE_ALIGN(sizeof(struct ql_iscsi_stats));
794
795 ql_iscsi_stats = dma_alloc_coherent(&ha->pdev->dev, stats_size,
796 &iscsi_stats_dma, GFP_KERNEL);
797 if (!ql_iscsi_stats) {
798 ql4_printk(KERN_ERR, ha,
799 "Unable to allocate memory for iscsi stats\n");
800 goto exit_get_stats;
801 }
802
803 ret = qla4xxx_get_mgmt_data(ha, ddb_entry->fw_ddb_index, stats_size,
804 iscsi_stats_dma);
805 if (ret != QLA_SUCCESS) {
806 ql4_printk(KERN_ERR, ha,
807 "Unable to retrieve iscsi stats\n");
808 goto free_stats;
809 }
810
811
812 stats->txdata_octets = le64_to_cpu(ql_iscsi_stats->tx_data_octets);
813 stats->rxdata_octets = le64_to_cpu(ql_iscsi_stats->rx_data_octets);
814
815 stats->noptx_pdus = le32_to_cpu(ql_iscsi_stats->tx_nopout_pdus);
816 stats->scsicmd_pdus = le32_to_cpu(ql_iscsi_stats->tx_scsi_cmd_pdus);
817 stats->tmfcmd_pdus = le32_to_cpu(ql_iscsi_stats->tx_tmf_cmd_pdus);
818 stats->login_pdus = le32_to_cpu(ql_iscsi_stats->tx_login_cmd_pdus);
819 stats->text_pdus = le32_to_cpu(ql_iscsi_stats->tx_text_cmd_pdus);
820 stats->dataout_pdus = le32_to_cpu(ql_iscsi_stats->tx_scsi_write_pdus);
821 stats->logout_pdus = le32_to_cpu(ql_iscsi_stats->tx_logout_cmd_pdus);
822 stats->snack_pdus = le32_to_cpu(ql_iscsi_stats->tx_snack_req_pdus);
823
824 stats->noprx_pdus = le32_to_cpu(ql_iscsi_stats->rx_nopin_pdus);
825 stats->scsirsp_pdus = le32_to_cpu(ql_iscsi_stats->rx_scsi_resp_pdus);
826 stats->tmfrsp_pdus = le32_to_cpu(ql_iscsi_stats->rx_tmf_resp_pdus);
827 stats->textrsp_pdus = le32_to_cpu(ql_iscsi_stats->rx_text_resp_pdus);
828 stats->datain_pdus = le32_to_cpu(ql_iscsi_stats->rx_scsi_read_pdus);
829 stats->logoutrsp_pdus =
830 le32_to_cpu(ql_iscsi_stats->rx_logout_resp_pdus);
831 stats->r2t_pdus = le32_to_cpu(ql_iscsi_stats->rx_r2t_pdus);
832 stats->async_pdus = le32_to_cpu(ql_iscsi_stats->rx_async_pdus);
833 stats->rjt_pdus = le32_to_cpu(ql_iscsi_stats->rx_reject_pdus);
834
835free_stats:
836 dma_free_coherent(&ha->pdev->dev, stats_size, ql_iscsi_stats,
837 iscsi_stats_dma);
838exit_get_stats:
839 return;
840}
841
842static enum blk_eh_timer_return qla4xxx_eh_cmd_timed_out(struct scsi_cmnd *sc)
843{
844 struct iscsi_cls_session *session;
845 struct iscsi_session *sess;
846 unsigned long flags;
847 enum blk_eh_timer_return ret = BLK_EH_NOT_HANDLED;
848
849 session = starget_to_session(scsi_target(sc->device));
850 sess = session->dd_data;
851
852 spin_lock_irqsave(&session->lock, flags);
853 if (session->state == ISCSI_SESSION_FAILED)
854 ret = BLK_EH_RESET_TIMER;
855 spin_unlock_irqrestore(&session->lock, flags);
856
857 return ret;
858}
859
860static void qla4xxx_set_port_speed(struct Scsi_Host *shost)
861{
862 struct scsi_qla_host *ha = to_qla_host(shost);
863 struct iscsi_cls_host *ihost = shost->shost_data;
864 uint32_t speed = ISCSI_PORT_SPEED_UNKNOWN;
865
866 qla4xxx_get_firmware_state(ha);
867
868 switch (ha->addl_fw_state & 0x0F00) {
869 case FW_ADDSTATE_LINK_SPEED_10MBPS:
870 speed = ISCSI_PORT_SPEED_10MBPS;
871 break;
872 case FW_ADDSTATE_LINK_SPEED_100MBPS:
873 speed = ISCSI_PORT_SPEED_100MBPS;
874 break;
875 case FW_ADDSTATE_LINK_SPEED_1GBPS:
876 speed = ISCSI_PORT_SPEED_1GBPS;
877 break;
878 case FW_ADDSTATE_LINK_SPEED_10GBPS:
879 speed = ISCSI_PORT_SPEED_10GBPS;
880 break;
881 }
882 ihost->port_speed = speed;
883}
884
885static void qla4xxx_set_port_state(struct Scsi_Host *shost)
886{
887 struct scsi_qla_host *ha = to_qla_host(shost);
888 struct iscsi_cls_host *ihost = shost->shost_data;
889 uint32_t state = ISCSI_PORT_STATE_DOWN;
890
891 if (test_bit(AF_LINK_UP, &ha->flags))
892 state = ISCSI_PORT_STATE_UP;
893
894 ihost->port_state = state;
895}
896
897static int qla4xxx_host_get_param(struct Scsi_Host *shost,
898 enum iscsi_host_param param, char *buf)
899{
900 struct scsi_qla_host *ha = to_qla_host(shost);
901 int len;
902
903 switch (param) {
904 case ISCSI_HOST_PARAM_HWADDRESS:
905 len = sysfs_format_mac(buf, ha->my_mac, MAC_ADDR_LEN);
906 break;
907 case ISCSI_HOST_PARAM_IPADDRESS:
908 len = sprintf(buf, "%pI4\n", &ha->ip_config.ip_address);
909 break;
910 case ISCSI_HOST_PARAM_INITIATOR_NAME:
911 len = sprintf(buf, "%s\n", ha->name_string);
912 break;
913 case ISCSI_HOST_PARAM_PORT_STATE:
914 qla4xxx_set_port_state(shost);
915 len = sprintf(buf, "%s\n", iscsi_get_port_state_name(shost));
916 break;
917 case ISCSI_HOST_PARAM_PORT_SPEED:
918 qla4xxx_set_port_speed(shost);
919 len = sprintf(buf, "%s\n", iscsi_get_port_speed_name(shost));
920 break;
921 default:
922 return -ENOSYS;
923 }
924
925 return len;
926}
927
928static void qla4xxx_create_ipv4_iface(struct scsi_qla_host *ha)
929{
930 if (ha->iface_ipv4)
931 return;
932
933
934 ha->iface_ipv4 = iscsi_create_iface(ha->host,
935 &qla4xxx_iscsi_transport,
936 ISCSI_IFACE_TYPE_IPV4, 0, 0);
937 if (!ha->iface_ipv4)
938 ql4_printk(KERN_ERR, ha, "Could not create IPv4 iSCSI "
939 "iface0.\n");
940}
941
942static void qla4xxx_create_ipv6_iface(struct scsi_qla_host *ha)
943{
944 if (!ha->iface_ipv6_0)
945
946 ha->iface_ipv6_0 = iscsi_create_iface(ha->host,
947 &qla4xxx_iscsi_transport,
948 ISCSI_IFACE_TYPE_IPV6, 0,
949 0);
950 if (!ha->iface_ipv6_0)
951 ql4_printk(KERN_ERR, ha, "Could not create IPv6 iSCSI "
952 "iface0.\n");
953
954 if (!ha->iface_ipv6_1)
955
956 ha->iface_ipv6_1 = iscsi_create_iface(ha->host,
957 &qla4xxx_iscsi_transport,
958 ISCSI_IFACE_TYPE_IPV6, 1,
959 0);
960 if (!ha->iface_ipv6_1)
961 ql4_printk(KERN_ERR, ha, "Could not create IPv6 iSCSI "
962 "iface1.\n");
963}
964
965static void qla4xxx_create_ifaces(struct scsi_qla_host *ha)
966{
967 if (ha->ip_config.ipv4_options & IPOPT_IPV4_PROTOCOL_ENABLE)
968 qla4xxx_create_ipv4_iface(ha);
969
970 if (ha->ip_config.ipv6_options & IPV6_OPT_IPV6_PROTOCOL_ENABLE)
971 qla4xxx_create_ipv6_iface(ha);
972}
973
974static void qla4xxx_destroy_ipv4_iface(struct scsi_qla_host *ha)
975{
976 if (ha->iface_ipv4) {
977 iscsi_destroy_iface(ha->iface_ipv4);
978 ha->iface_ipv4 = NULL;
979 }
980}
981
982static void qla4xxx_destroy_ipv6_iface(struct scsi_qla_host *ha)
983{
984 if (ha->iface_ipv6_0) {
985 iscsi_destroy_iface(ha->iface_ipv6_0);
986 ha->iface_ipv6_0 = NULL;
987 }
988 if (ha->iface_ipv6_1) {
989 iscsi_destroy_iface(ha->iface_ipv6_1);
990 ha->iface_ipv6_1 = NULL;
991 }
992}
993
994static void qla4xxx_destroy_ifaces(struct scsi_qla_host *ha)
995{
996 qla4xxx_destroy_ipv4_iface(ha);
997 qla4xxx_destroy_ipv6_iface(ha);
998}
999
1000static void qla4xxx_set_ipv6(struct scsi_qla_host *ha,
1001 struct iscsi_iface_param_info *iface_param,
1002 struct addr_ctrl_blk *init_fw_cb)
1003{
1004
1005
1006
1007
1008 switch (iface_param->param) {
1009 case ISCSI_NET_PARAM_IPV6_ADDR:
1010 if (iface_param->iface_num & 0x1)
1011
1012 memcpy(init_fw_cb->ipv6_addr1, iface_param->value,
1013 sizeof(init_fw_cb->ipv6_addr1));
1014 else
1015
1016 memcpy(init_fw_cb->ipv6_addr0, iface_param->value,
1017 sizeof(init_fw_cb->ipv6_addr0));
1018 break;
1019 case ISCSI_NET_PARAM_IPV6_LINKLOCAL:
1020 if (iface_param->iface_num & 0x1)
1021 break;
1022 memcpy(init_fw_cb->ipv6_if_id, &iface_param->value[8],
1023 sizeof(init_fw_cb->ipv6_if_id));
1024 break;
1025 case ISCSI_NET_PARAM_IPV6_ROUTER:
1026 if (iface_param->iface_num & 0x1)
1027 break;
1028 memcpy(init_fw_cb->ipv6_dflt_rtr_addr, iface_param->value,
1029 sizeof(init_fw_cb->ipv6_dflt_rtr_addr));
1030 break;
1031 case ISCSI_NET_PARAM_IPV6_ADDR_AUTOCFG:
1032
1033 if (iface_param->iface_num & 0x1)
1034 break;
1035
1036 if (iface_param->value[0] == ISCSI_IPV6_AUTOCFG_DISABLE)
1037 init_fw_cb->ipv6_addtl_opts &=
1038 cpu_to_le16(
1039 ~IPV6_ADDOPT_NEIGHBOR_DISCOVERY_ADDR_ENABLE);
1040 else if (iface_param->value[0] == ISCSI_IPV6_AUTOCFG_ND_ENABLE)
1041 init_fw_cb->ipv6_addtl_opts |=
1042 cpu_to_le16(
1043 IPV6_ADDOPT_NEIGHBOR_DISCOVERY_ADDR_ENABLE);
1044 else
1045 ql4_printk(KERN_ERR, ha, "Invalid autocfg setting for "
1046 "IPv6 addr\n");
1047 break;
1048 case ISCSI_NET_PARAM_IPV6_LINKLOCAL_AUTOCFG:
1049
1050 if (iface_param->iface_num & 0x1)
1051 break;
1052
1053 if (iface_param->value[0] ==
1054 ISCSI_IPV6_LINKLOCAL_AUTOCFG_ENABLE)
1055 init_fw_cb->ipv6_addtl_opts |= cpu_to_le16(
1056 IPV6_ADDOPT_AUTOCONFIG_LINK_LOCAL_ADDR);
1057 else if (iface_param->value[0] ==
1058 ISCSI_IPV6_LINKLOCAL_AUTOCFG_DISABLE)
1059 init_fw_cb->ipv6_addtl_opts &= cpu_to_le16(
1060 ~IPV6_ADDOPT_AUTOCONFIG_LINK_LOCAL_ADDR);
1061 else
1062 ql4_printk(KERN_ERR, ha, "Invalid autocfg setting for "
1063 "IPv6 linklocal addr\n");
1064 break;
1065 case ISCSI_NET_PARAM_IPV6_ROUTER_AUTOCFG:
1066
1067 if (iface_param->iface_num & 0x1)
1068 break;
1069
1070 if (iface_param->value[0] == ISCSI_IPV6_ROUTER_AUTOCFG_ENABLE)
1071 memset(init_fw_cb->ipv6_dflt_rtr_addr, 0,
1072 sizeof(init_fw_cb->ipv6_dflt_rtr_addr));
1073 break;
1074 case ISCSI_NET_PARAM_IFACE_ENABLE:
1075 if (iface_param->value[0] == ISCSI_IFACE_ENABLE) {
1076 init_fw_cb->ipv6_opts |=
1077 cpu_to_le16(IPV6_OPT_IPV6_PROTOCOL_ENABLE);
1078 qla4xxx_create_ipv6_iface(ha);
1079 } else {
1080 init_fw_cb->ipv6_opts &=
1081 cpu_to_le16(~IPV6_OPT_IPV6_PROTOCOL_ENABLE &
1082 0xFFFF);
1083 qla4xxx_destroy_ipv6_iface(ha);
1084 }
1085 break;
1086 case ISCSI_NET_PARAM_VLAN_TAG:
1087 if (iface_param->len != sizeof(init_fw_cb->ipv6_vlan_tag))
1088 break;
1089 init_fw_cb->ipv6_vlan_tag =
1090 cpu_to_be16(*(uint16_t *)iface_param->value);
1091 break;
1092 case ISCSI_NET_PARAM_VLAN_ENABLED:
1093 if (iface_param->value[0] == ISCSI_VLAN_ENABLE)
1094 init_fw_cb->ipv6_opts |=
1095 cpu_to_le16(IPV6_OPT_VLAN_TAGGING_ENABLE);
1096 else
1097 init_fw_cb->ipv6_opts &=
1098 cpu_to_le16(~IPV6_OPT_VLAN_TAGGING_ENABLE);
1099 break;
1100 case ISCSI_NET_PARAM_MTU:
1101 init_fw_cb->eth_mtu_size =
1102 cpu_to_le16(*(uint16_t *)iface_param->value);
1103 break;
1104 case ISCSI_NET_PARAM_PORT:
1105
1106 if (iface_param->iface_num & 0x1)
1107 break;
1108
1109 init_fw_cb->ipv6_port =
1110 cpu_to_le16(*(uint16_t *)iface_param->value);
1111 break;
1112 default:
1113 ql4_printk(KERN_ERR, ha, "Unknown IPv6 param = %d\n",
1114 iface_param->param);
1115 break;
1116 }
1117}
1118
1119static void qla4xxx_set_ipv4(struct scsi_qla_host *ha,
1120 struct iscsi_iface_param_info *iface_param,
1121 struct addr_ctrl_blk *init_fw_cb)
1122{
1123 switch (iface_param->param) {
1124 case ISCSI_NET_PARAM_IPV4_ADDR:
1125 memcpy(init_fw_cb->ipv4_addr, iface_param->value,
1126 sizeof(init_fw_cb->ipv4_addr));
1127 break;
1128 case ISCSI_NET_PARAM_IPV4_SUBNET:
1129 memcpy(init_fw_cb->ipv4_subnet, iface_param->value,
1130 sizeof(init_fw_cb->ipv4_subnet));
1131 break;
1132 case ISCSI_NET_PARAM_IPV4_GW:
1133 memcpy(init_fw_cb->ipv4_gw_addr, iface_param->value,
1134 sizeof(init_fw_cb->ipv4_gw_addr));
1135 break;
1136 case ISCSI_NET_PARAM_IPV4_BOOTPROTO:
1137 if (iface_param->value[0] == ISCSI_BOOTPROTO_DHCP)
1138 init_fw_cb->ipv4_tcp_opts |=
1139 cpu_to_le16(TCPOPT_DHCP_ENABLE);
1140 else if (iface_param->value[0] == ISCSI_BOOTPROTO_STATIC)
1141 init_fw_cb->ipv4_tcp_opts &=
1142 cpu_to_le16(~TCPOPT_DHCP_ENABLE);
1143 else
1144 ql4_printk(KERN_ERR, ha, "Invalid IPv4 bootproto\n");
1145 break;
1146 case ISCSI_NET_PARAM_IFACE_ENABLE:
1147 if (iface_param->value[0] == ISCSI_IFACE_ENABLE) {
1148 init_fw_cb->ipv4_ip_opts |=
1149 cpu_to_le16(IPOPT_IPV4_PROTOCOL_ENABLE);
1150 qla4xxx_create_ipv4_iface(ha);
1151 } else {
1152 init_fw_cb->ipv4_ip_opts &=
1153 cpu_to_le16(~IPOPT_IPV4_PROTOCOL_ENABLE &
1154 0xFFFF);
1155 qla4xxx_destroy_ipv4_iface(ha);
1156 }
1157 break;
1158 case ISCSI_NET_PARAM_VLAN_TAG:
1159 if (iface_param->len != sizeof(init_fw_cb->ipv4_vlan_tag))
1160 break;
1161 init_fw_cb->ipv4_vlan_tag =
1162 cpu_to_be16(*(uint16_t *)iface_param->value);
1163 break;
1164 case ISCSI_NET_PARAM_VLAN_ENABLED:
1165 if (iface_param->value[0] == ISCSI_VLAN_ENABLE)
1166 init_fw_cb->ipv4_ip_opts |=
1167 cpu_to_le16(IPOPT_VLAN_TAGGING_ENABLE);
1168 else
1169 init_fw_cb->ipv4_ip_opts &=
1170 cpu_to_le16(~IPOPT_VLAN_TAGGING_ENABLE);
1171 break;
1172 case ISCSI_NET_PARAM_MTU:
1173 init_fw_cb->eth_mtu_size =
1174 cpu_to_le16(*(uint16_t *)iface_param->value);
1175 break;
1176 case ISCSI_NET_PARAM_PORT:
1177 init_fw_cb->ipv4_port =
1178 cpu_to_le16(*(uint16_t *)iface_param->value);
1179 break;
1180 default:
1181 ql4_printk(KERN_ERR, ha, "Unknown IPv4 param = %d\n",
1182 iface_param->param);
1183 break;
1184 }
1185}
1186
1187static void
1188qla4xxx_initcb_to_acb(struct addr_ctrl_blk *init_fw_cb)
1189{
1190 struct addr_ctrl_blk_def *acb;
1191 acb = (struct addr_ctrl_blk_def *)init_fw_cb;
1192 memset(acb->reserved1, 0, sizeof(acb->reserved1));
1193 memset(acb->reserved2, 0, sizeof(acb->reserved2));
1194 memset(acb->reserved3, 0, sizeof(acb->reserved3));
1195 memset(acb->reserved4, 0, sizeof(acb->reserved4));
1196 memset(acb->reserved5, 0, sizeof(acb->reserved5));
1197 memset(acb->reserved6, 0, sizeof(acb->reserved6));
1198 memset(acb->reserved7, 0, sizeof(acb->reserved7));
1199 memset(acb->reserved8, 0, sizeof(acb->reserved8));
1200 memset(acb->reserved9, 0, sizeof(acb->reserved9));
1201 memset(acb->reserved10, 0, sizeof(acb->reserved10));
1202 memset(acb->reserved11, 0, sizeof(acb->reserved11));
1203 memset(acb->reserved12, 0, sizeof(acb->reserved12));
1204 memset(acb->reserved13, 0, sizeof(acb->reserved13));
1205 memset(acb->reserved14, 0, sizeof(acb->reserved14));
1206 memset(acb->reserved15, 0, sizeof(acb->reserved15));
1207}
1208
1209static int
1210qla4xxx_iface_set_param(struct Scsi_Host *shost, void *data, uint32_t len)
1211{
1212 struct scsi_qla_host *ha = to_qla_host(shost);
1213 int rval = 0;
1214 struct iscsi_iface_param_info *iface_param = NULL;
1215 struct addr_ctrl_blk *init_fw_cb = NULL;
1216 dma_addr_t init_fw_cb_dma;
1217 uint32_t mbox_cmd[MBOX_REG_COUNT];
1218 uint32_t mbox_sts[MBOX_REG_COUNT];
1219 uint32_t rem = len;
1220 struct nlattr *attr;
1221
1222 init_fw_cb = dma_alloc_coherent(&ha->pdev->dev,
1223 sizeof(struct addr_ctrl_blk),
1224 &init_fw_cb_dma, GFP_KERNEL);
1225 if (!init_fw_cb) {
1226 ql4_printk(KERN_ERR, ha, "%s: Unable to alloc init_cb\n",
1227 __func__);
1228 return -ENOMEM;
1229 }
1230
1231 memset(init_fw_cb, 0, sizeof(struct addr_ctrl_blk));
1232 memset(&mbox_cmd, 0, sizeof(mbox_cmd));
1233 memset(&mbox_sts, 0, sizeof(mbox_sts));
1234
1235 if (qla4xxx_get_ifcb(ha, &mbox_cmd[0], &mbox_sts[0], init_fw_cb_dma)) {
1236 ql4_printk(KERN_ERR, ha, "%s: get ifcb failed\n", __func__);
1237 rval = -EIO;
1238 goto exit_init_fw_cb;
1239 }
1240
1241 nla_for_each_attr(attr, data, len, rem) {
1242 iface_param = nla_data(attr);
1243
1244 if (iface_param->param_type != ISCSI_NET_PARAM)
1245 continue;
1246
1247 switch (iface_param->iface_type) {
1248 case ISCSI_IFACE_TYPE_IPV4:
1249 switch (iface_param->iface_num) {
1250 case 0:
1251 qla4xxx_set_ipv4(ha, iface_param, init_fw_cb);
1252 break;
1253 default:
1254
1255 ql4_printk(KERN_ERR, ha, "Invalid IPv4 iface "
1256 "number = %d\n",
1257 iface_param->iface_num);
1258 break;
1259 }
1260 break;
1261 case ISCSI_IFACE_TYPE_IPV6:
1262 switch (iface_param->iface_num) {
1263 case 0:
1264 case 1:
1265 qla4xxx_set_ipv6(ha, iface_param, init_fw_cb);
1266 break;
1267 default:
1268
1269 ql4_printk(KERN_ERR, ha, "Invalid IPv6 iface "
1270 "number = %d\n",
1271 iface_param->iface_num);
1272 break;
1273 }
1274 break;
1275 default:
1276 ql4_printk(KERN_ERR, ha, "Invalid iface type\n");
1277 break;
1278 }
1279 }
1280
1281 init_fw_cb->cookie = cpu_to_le32(0x11BEAD5A);
1282
1283 rval = qla4xxx_set_flash(ha, init_fw_cb_dma, FLASH_SEGMENT_IFCB,
1284 sizeof(struct addr_ctrl_blk),
1285 FLASH_OPT_RMW_COMMIT);
1286 if (rval != QLA_SUCCESS) {
1287 ql4_printk(KERN_ERR, ha, "%s: set flash mbx failed\n",
1288 __func__);
1289 rval = -EIO;
1290 goto exit_init_fw_cb;
1291 }
1292
1293 rval = qla4xxx_disable_acb(ha);
1294 if (rval != QLA_SUCCESS) {
1295 ql4_printk(KERN_ERR, ha, "%s: disable acb mbx failed\n",
1296 __func__);
1297 rval = -EIO;
1298 goto exit_init_fw_cb;
1299 }
1300
1301 wait_for_completion_timeout(&ha->disable_acb_comp,
1302 DISABLE_ACB_TOV * HZ);
1303
1304 qla4xxx_initcb_to_acb(init_fw_cb);
1305
1306 rval = qla4xxx_set_acb(ha, &mbox_cmd[0], &mbox_sts[0], init_fw_cb_dma);
1307 if (rval != QLA_SUCCESS) {
1308 ql4_printk(KERN_ERR, ha, "%s: set acb mbx failed\n",
1309 __func__);
1310 rval = -EIO;
1311 goto exit_init_fw_cb;
1312 }
1313
1314 memset(init_fw_cb, 0, sizeof(struct addr_ctrl_blk));
1315 qla4xxx_update_local_ifcb(ha, &mbox_cmd[0], &mbox_sts[0], init_fw_cb,
1316 init_fw_cb_dma);
1317
1318exit_init_fw_cb:
1319 dma_free_coherent(&ha->pdev->dev, sizeof(struct addr_ctrl_blk),
1320 init_fw_cb, init_fw_cb_dma);
1321
1322 return rval;
1323}
1324
1325static int qla4xxx_session_get_param(struct iscsi_cls_session *cls_sess,
1326 enum iscsi_param param, char *buf)
1327{
1328 struct iscsi_session *sess = cls_sess->dd_data;
1329 struct ddb_entry *ddb_entry = sess->dd_data;
1330 struct scsi_qla_host *ha = ddb_entry->ha;
1331 int rval, len;
1332 uint16_t idx;
1333
1334 switch (param) {
1335 case ISCSI_PARAM_CHAP_IN_IDX:
1336 rval = qla4xxx_get_chap_index(ha, sess->username_in,
1337 sess->password_in, BIDI_CHAP,
1338 &idx);
1339 if (rval)
1340 len = sprintf(buf, "\n");
1341 else
1342 len = sprintf(buf, "%hu\n", idx);
1343 break;
1344 case ISCSI_PARAM_CHAP_OUT_IDX:
1345 rval = qla4xxx_get_chap_index(ha, sess->username,
1346 sess->password, LOCAL_CHAP,
1347 &idx);
1348 if (rval)
1349 len = sprintf(buf, "\n");
1350 else
1351 len = sprintf(buf, "%hu\n", idx);
1352 break;
1353 default:
1354 return iscsi_session_get_param(cls_sess, param, buf);
1355 }
1356
1357 return len;
1358}
1359
1360static int qla4xxx_conn_get_param(struct iscsi_cls_conn *cls_conn,
1361 enum iscsi_param param, char *buf)
1362{
1363 struct iscsi_conn *conn;
1364 struct qla_conn *qla_conn;
1365 struct sockaddr *dst_addr;
1366 int len = 0;
1367
1368 conn = cls_conn->dd_data;
1369 qla_conn = conn->dd_data;
1370 dst_addr = (struct sockaddr *)&qla_conn->qla_ep->dst_addr;
1371
1372 switch (param) {
1373 case ISCSI_PARAM_CONN_PORT:
1374 case ISCSI_PARAM_CONN_ADDRESS:
1375 return iscsi_conn_get_addr_param((struct sockaddr_storage *)
1376 dst_addr, param, buf);
1377 default:
1378 return iscsi_conn_get_param(cls_conn, param, buf);
1379 }
1380
1381 return len;
1382
1383}
1384
1385int qla4xxx_get_ddb_index(struct scsi_qla_host *ha, uint16_t *ddb_index)
1386{
1387 uint32_t mbx_sts = 0;
1388 uint16_t tmp_ddb_index;
1389 int ret;
1390
1391get_ddb_index:
1392 tmp_ddb_index = find_first_zero_bit(ha->ddb_idx_map, MAX_DDB_ENTRIES);
1393
1394 if (tmp_ddb_index >= MAX_DDB_ENTRIES) {
1395 DEBUG2(ql4_printk(KERN_INFO, ha,
1396 "Free DDB index not available\n"));
1397 ret = QLA_ERROR;
1398 goto exit_get_ddb_index;
1399 }
1400
1401 if (test_and_set_bit(tmp_ddb_index, ha->ddb_idx_map))
1402 goto get_ddb_index;
1403
1404 DEBUG2(ql4_printk(KERN_INFO, ha,
1405 "Found a free DDB index at %d\n", tmp_ddb_index));
1406 ret = qla4xxx_req_ddb_entry(ha, tmp_ddb_index, &mbx_sts);
1407 if (ret == QLA_ERROR) {
1408 if (mbx_sts == MBOX_STS_COMMAND_ERROR) {
1409 ql4_printk(KERN_INFO, ha,
1410 "DDB index = %d not available trying next\n",
1411 tmp_ddb_index);
1412 goto get_ddb_index;
1413 }
1414 DEBUG2(ql4_printk(KERN_INFO, ha,
1415 "Free FW DDB not available\n"));
1416 }
1417
1418 *ddb_index = tmp_ddb_index;
1419
1420exit_get_ddb_index:
1421 return ret;
1422}
1423
1424static int qla4xxx_match_ipaddress(struct scsi_qla_host *ha,
1425 struct ddb_entry *ddb_entry,
1426 char *existing_ipaddr,
1427 char *user_ipaddr)
1428{
1429 uint8_t dst_ipaddr[IPv6_ADDR_LEN];
1430 char formatted_ipaddr[DDB_IPADDR_LEN];
1431 int status = QLA_SUCCESS, ret = 0;
1432
1433 if (ddb_entry->fw_ddb_entry.options & DDB_OPT_IPV6_DEVICE) {
1434 ret = in6_pton(user_ipaddr, strlen(user_ipaddr), dst_ipaddr,
1435 '\0', NULL);
1436 if (ret == 0) {
1437 status = QLA_ERROR;
1438 goto out_match;
1439 }
1440 ret = sprintf(formatted_ipaddr, "%pI6", dst_ipaddr);
1441 } else {
1442 ret = in4_pton(user_ipaddr, strlen(user_ipaddr), dst_ipaddr,
1443 '\0', NULL);
1444 if (ret == 0) {
1445 status = QLA_ERROR;
1446 goto out_match;
1447 }
1448 ret = sprintf(formatted_ipaddr, "%pI4", dst_ipaddr);
1449 }
1450
1451 if (strcmp(existing_ipaddr, formatted_ipaddr))
1452 status = QLA_ERROR;
1453
1454out_match:
1455 return status;
1456}
1457
1458static int qla4xxx_match_fwdb_session(struct scsi_qla_host *ha,
1459 struct iscsi_cls_conn *cls_conn)
1460{
1461 int idx = 0, max_ddbs, rval;
1462 struct iscsi_cls_session *cls_sess = iscsi_conn_to_session(cls_conn);
1463 struct iscsi_session *sess, *existing_sess;
1464 struct iscsi_conn *conn, *existing_conn;
1465 struct ddb_entry *ddb_entry;
1466
1467 sess = cls_sess->dd_data;
1468 conn = cls_conn->dd_data;
1469
1470 if (sess->targetname == NULL ||
1471 conn->persistent_address == NULL ||
1472 conn->persistent_port == 0)
1473 return QLA_ERROR;
1474
1475 max_ddbs = is_qla40XX(ha) ? MAX_DEV_DB_ENTRIES_40XX :
1476 MAX_DEV_DB_ENTRIES;
1477
1478 for (idx = 0; idx < max_ddbs; idx++) {
1479 ddb_entry = qla4xxx_lookup_ddb_by_fw_index(ha, idx);
1480 if (ddb_entry == NULL)
1481 continue;
1482
1483 if (ddb_entry->ddb_type != FLASH_DDB)
1484 continue;
1485
1486 existing_sess = ddb_entry->sess->dd_data;
1487 existing_conn = ddb_entry->conn->dd_data;
1488
1489 if (existing_sess->targetname == NULL ||
1490 existing_conn->persistent_address == NULL ||
1491 existing_conn->persistent_port == 0)
1492 continue;
1493
1494 DEBUG2(ql4_printk(KERN_INFO, ha,
1495 "IQN = %s User IQN = %s\n",
1496 existing_sess->targetname,
1497 sess->targetname));
1498
1499 DEBUG2(ql4_printk(KERN_INFO, ha,
1500 "IP = %s User IP = %s\n",
1501 existing_conn->persistent_address,
1502 conn->persistent_address));
1503
1504 DEBUG2(ql4_printk(KERN_INFO, ha,
1505 "Port = %d User Port = %d\n",
1506 existing_conn->persistent_port,
1507 conn->persistent_port));
1508
1509 if (strcmp(existing_sess->targetname, sess->targetname))
1510 continue;
1511 rval = qla4xxx_match_ipaddress(ha, ddb_entry,
1512 existing_conn->persistent_address,
1513 conn->persistent_address);
1514 if (rval == QLA_ERROR)
1515 continue;
1516 if (existing_conn->persistent_port != conn->persistent_port)
1517 continue;
1518 break;
1519 }
1520
1521 if (idx == max_ddbs)
1522 return QLA_ERROR;
1523
1524 DEBUG2(ql4_printk(KERN_INFO, ha,
1525 "Match found in fwdb sessions\n"));
1526 return QLA_SUCCESS;
1527}
1528
1529static struct iscsi_cls_session *
1530qla4xxx_session_create(struct iscsi_endpoint *ep,
1531 uint16_t cmds_max, uint16_t qdepth,
1532 uint32_t initial_cmdsn)
1533{
1534 struct iscsi_cls_session *cls_sess;
1535 struct scsi_qla_host *ha;
1536 struct qla_endpoint *qla_ep;
1537 struct ddb_entry *ddb_entry;
1538 uint16_t ddb_index;
1539 struct iscsi_session *sess;
1540 struct sockaddr *dst_addr;
1541 int ret;
1542
1543 DEBUG2(printk(KERN_INFO "Func: %s\n", __func__));
1544 if (!ep) {
1545 printk(KERN_ERR "qla4xxx: missing ep.\n");
1546 return NULL;
1547 }
1548
1549 qla_ep = ep->dd_data;
1550 dst_addr = (struct sockaddr *)&qla_ep->dst_addr;
1551 ha = to_qla_host(qla_ep->host);
1552
1553 ret = qla4xxx_get_ddb_index(ha, &ddb_index);
1554 if (ret == QLA_ERROR)
1555 return NULL;
1556
1557 cls_sess = iscsi_session_setup(&qla4xxx_iscsi_transport, qla_ep->host,
1558 cmds_max, sizeof(struct ddb_entry),
1559 sizeof(struct ql4_task_data),
1560 initial_cmdsn, ddb_index);
1561 if (!cls_sess)
1562 return NULL;
1563
1564 sess = cls_sess->dd_data;
1565 ddb_entry = sess->dd_data;
1566 ddb_entry->fw_ddb_index = ddb_index;
1567 ddb_entry->fw_ddb_device_state = DDB_DS_NO_CONNECTION_ACTIVE;
1568 ddb_entry->ha = ha;
1569 ddb_entry->sess = cls_sess;
1570 ddb_entry->unblock_sess = qla4xxx_unblock_ddb;
1571 ddb_entry->ddb_change = qla4xxx_ddb_change;
1572 cls_sess->recovery_tmo = ql4xsess_recovery_tmo;
1573 ha->fw_ddb_index_map[ddb_entry->fw_ddb_index] = ddb_entry;
1574 ha->tot_ddbs++;
1575
1576 return cls_sess;
1577}
1578
1579static void qla4xxx_session_destroy(struct iscsi_cls_session *cls_sess)
1580{
1581 struct iscsi_session *sess;
1582 struct ddb_entry *ddb_entry;
1583 struct scsi_qla_host *ha;
1584 unsigned long flags, wtime;
1585 struct dev_db_entry *fw_ddb_entry = NULL;
1586 dma_addr_t fw_ddb_entry_dma;
1587 uint32_t ddb_state;
1588 int ret;
1589
1590 DEBUG2(printk(KERN_INFO "Func: %s\n", __func__));
1591 sess = cls_sess->dd_data;
1592 ddb_entry = sess->dd_data;
1593 ha = ddb_entry->ha;
1594
1595 fw_ddb_entry = dma_alloc_coherent(&ha->pdev->dev, sizeof(*fw_ddb_entry),
1596 &fw_ddb_entry_dma, GFP_KERNEL);
1597 if (!fw_ddb_entry) {
1598 ql4_printk(KERN_ERR, ha,
1599 "%s: Unable to allocate dma buffer\n", __func__);
1600 goto destroy_session;
1601 }
1602
1603 wtime = jiffies + (HZ * LOGOUT_TOV);
1604 do {
1605 ret = qla4xxx_get_fwddb_entry(ha, ddb_entry->fw_ddb_index,
1606 fw_ddb_entry, fw_ddb_entry_dma,
1607 NULL, NULL, &ddb_state, NULL,
1608 NULL, NULL);
1609 if (ret == QLA_ERROR)
1610 goto destroy_session;
1611
1612 if ((ddb_state == DDB_DS_NO_CONNECTION_ACTIVE) ||
1613 (ddb_state == DDB_DS_SESSION_FAILED))
1614 goto destroy_session;
1615
1616 schedule_timeout_uninterruptible(HZ);
1617 } while ((time_after(wtime, jiffies)));
1618
1619destroy_session:
1620 qla4xxx_clear_ddb_entry(ha, ddb_entry->fw_ddb_index);
1621
1622 spin_lock_irqsave(&ha->hardware_lock, flags);
1623 qla4xxx_free_ddb(ha, ddb_entry);
1624 spin_unlock_irqrestore(&ha->hardware_lock, flags);
1625
1626 iscsi_session_teardown(cls_sess);
1627
1628 if (fw_ddb_entry)
1629 dma_free_coherent(&ha->pdev->dev, sizeof(*fw_ddb_entry),
1630 fw_ddb_entry, fw_ddb_entry_dma);
1631}
1632
1633static struct iscsi_cls_conn *
1634qla4xxx_conn_create(struct iscsi_cls_session *cls_sess, uint32_t conn_idx)
1635{
1636 struct iscsi_cls_conn *cls_conn;
1637 struct iscsi_session *sess;
1638 struct ddb_entry *ddb_entry;
1639
1640 DEBUG2(printk(KERN_INFO "Func: %s\n", __func__));
1641 cls_conn = iscsi_conn_setup(cls_sess, sizeof(struct qla_conn),
1642 conn_idx);
1643 if (!cls_conn)
1644 return NULL;
1645
1646 sess = cls_sess->dd_data;
1647 ddb_entry = sess->dd_data;
1648 ddb_entry->conn = cls_conn;
1649
1650 return cls_conn;
1651}
1652
1653static int qla4xxx_conn_bind(struct iscsi_cls_session *cls_session,
1654 struct iscsi_cls_conn *cls_conn,
1655 uint64_t transport_fd, int is_leading)
1656{
1657 struct iscsi_conn *conn;
1658 struct qla_conn *qla_conn;
1659 struct iscsi_endpoint *ep;
1660
1661 DEBUG2(printk(KERN_INFO "Func: %s\n", __func__));
1662
1663 if (iscsi_conn_bind(cls_session, cls_conn, is_leading))
1664 return -EINVAL;
1665 ep = iscsi_lookup_endpoint(transport_fd);
1666 conn = cls_conn->dd_data;
1667 qla_conn = conn->dd_data;
1668 qla_conn->qla_ep = ep->dd_data;
1669 return 0;
1670}
1671
1672static int qla4xxx_conn_start(struct iscsi_cls_conn *cls_conn)
1673{
1674 struct iscsi_cls_session *cls_sess = iscsi_conn_to_session(cls_conn);
1675 struct iscsi_session *sess;
1676 struct ddb_entry *ddb_entry;
1677 struct scsi_qla_host *ha;
1678 struct dev_db_entry *fw_ddb_entry = NULL;
1679 dma_addr_t fw_ddb_entry_dma;
1680 uint32_t mbx_sts = 0;
1681 int ret = 0;
1682 int status = QLA_SUCCESS;
1683
1684 DEBUG2(printk(KERN_INFO "Func: %s\n", __func__));
1685 sess = cls_sess->dd_data;
1686 ddb_entry = sess->dd_data;
1687 ha = ddb_entry->ha;
1688
1689
1690
1691
1692
1693 ret = qla4xxx_match_fwdb_session(ha, cls_conn);
1694 if (ret == QLA_SUCCESS) {
1695 ql4_printk(KERN_INFO, ha,
1696 "Session already exist in FW.\n");
1697 ret = -EEXIST;
1698 goto exit_conn_start;
1699 }
1700
1701 fw_ddb_entry = dma_alloc_coherent(&ha->pdev->dev, sizeof(*fw_ddb_entry),
1702 &fw_ddb_entry_dma, GFP_KERNEL);
1703 if (!fw_ddb_entry) {
1704 ql4_printk(KERN_ERR, ha,
1705 "%s: Unable to allocate dma buffer\n", __func__);
1706 ret = -ENOMEM;
1707 goto exit_conn_start;
1708 }
1709
1710 ret = qla4xxx_set_param_ddbentry(ha, ddb_entry, cls_conn, &mbx_sts);
1711 if (ret) {
1712
1713
1714
1715
1716
1717 if (mbx_sts)
1718 if (ddb_entry->fw_ddb_device_state ==
1719 DDB_DS_SESSION_ACTIVE) {
1720 ddb_entry->unblock_sess(ddb_entry->sess);
1721 goto exit_set_param;
1722 }
1723
1724 ql4_printk(KERN_ERR, ha, "%s: Failed set param for index[%d]\n",
1725 __func__, ddb_entry->fw_ddb_index);
1726 goto exit_conn_start;
1727 }
1728
1729 status = qla4xxx_conn_open(ha, ddb_entry->fw_ddb_index);
1730 if (status == QLA_ERROR) {
1731 ql4_printk(KERN_ERR, ha, "%s: Login failed: %s\n", __func__,
1732 sess->targetname);
1733 ret = -EINVAL;
1734 goto exit_conn_start;
1735 }
1736
1737 if (ddb_entry->fw_ddb_device_state == DDB_DS_NO_CONNECTION_ACTIVE)
1738 ddb_entry->fw_ddb_device_state = DDB_DS_LOGIN_IN_PROCESS;
1739
1740 DEBUG2(printk(KERN_INFO "%s: DDB state [%d]\n", __func__,
1741 ddb_entry->fw_ddb_device_state));
1742
1743exit_set_param:
1744 ret = 0;
1745
1746exit_conn_start:
1747 if (fw_ddb_entry)
1748 dma_free_coherent(&ha->pdev->dev, sizeof(*fw_ddb_entry),
1749 fw_ddb_entry, fw_ddb_entry_dma);
1750 return ret;
1751}
1752
1753static void qla4xxx_conn_destroy(struct iscsi_cls_conn *cls_conn)
1754{
1755 struct iscsi_cls_session *cls_sess = iscsi_conn_to_session(cls_conn);
1756 struct iscsi_session *sess;
1757 struct scsi_qla_host *ha;
1758 struct ddb_entry *ddb_entry;
1759 int options;
1760
1761 DEBUG2(printk(KERN_INFO "Func: %s\n", __func__));
1762 sess = cls_sess->dd_data;
1763 ddb_entry = sess->dd_data;
1764 ha = ddb_entry->ha;
1765
1766 options = LOGOUT_OPTION_CLOSE_SESSION;
1767 if (qla4xxx_session_logout_ddb(ha, ddb_entry, options) == QLA_ERROR)
1768 ql4_printk(KERN_ERR, ha, "%s: Logout failed\n", __func__);
1769}
1770
1771static void qla4xxx_task_work(struct work_struct *wdata)
1772{
1773 struct ql4_task_data *task_data;
1774 struct scsi_qla_host *ha;
1775 struct passthru_status *sts;
1776 struct iscsi_task *task;
1777 struct iscsi_hdr *hdr;
1778 uint8_t *data;
1779 uint32_t data_len;
1780 struct iscsi_conn *conn;
1781 int hdr_len;
1782 itt_t itt;
1783
1784 task_data = container_of(wdata, struct ql4_task_data, task_work);
1785 ha = task_data->ha;
1786 task = task_data->task;
1787 sts = &task_data->sts;
1788 hdr_len = sizeof(struct iscsi_hdr);
1789
1790 DEBUG3(printk(KERN_INFO "Status returned\n"));
1791 DEBUG3(qla4xxx_dump_buffer(sts, 64));
1792 DEBUG3(printk(KERN_INFO "Response buffer"));
1793 DEBUG3(qla4xxx_dump_buffer(task_data->resp_buffer, 64));
1794
1795 conn = task->conn;
1796
1797 switch (sts->completionStatus) {
1798 case PASSTHRU_STATUS_COMPLETE:
1799 hdr = (struct iscsi_hdr *)task_data->resp_buffer;
1800
1801 itt = sts->handle;
1802 hdr->itt = itt;
1803 data = task_data->resp_buffer + hdr_len;
1804 data_len = task_data->resp_len - hdr_len;
1805 iscsi_complete_pdu(conn, hdr, data, data_len);
1806 break;
1807 default:
1808 ql4_printk(KERN_ERR, ha, "Passthru failed status = 0x%x\n",
1809 sts->completionStatus);
1810 break;
1811 }
1812 return;
1813}
1814
1815static int qla4xxx_alloc_pdu(struct iscsi_task *task, uint8_t opcode)
1816{
1817 struct ql4_task_data *task_data;
1818 struct iscsi_session *sess;
1819 struct ddb_entry *ddb_entry;
1820 struct scsi_qla_host *ha;
1821 int hdr_len;
1822
1823 sess = task->conn->session;
1824 ddb_entry = sess->dd_data;
1825 ha = ddb_entry->ha;
1826 task_data = task->dd_data;
1827 memset(task_data, 0, sizeof(struct ql4_task_data));
1828
1829 if (task->sc) {
1830 ql4_printk(KERN_INFO, ha,
1831 "%s: SCSI Commands not implemented\n", __func__);
1832 return -EINVAL;
1833 }
1834
1835 hdr_len = sizeof(struct iscsi_hdr);
1836 task_data->ha = ha;
1837 task_data->task = task;
1838
1839 if (task->data_count) {
1840 task_data->data_dma = dma_map_single(&ha->pdev->dev, task->data,
1841 task->data_count,
1842 PCI_DMA_TODEVICE);
1843 }
1844
1845 DEBUG2(ql4_printk(KERN_INFO, ha, "%s: MaxRecvLen %u, iscsi hrd %d\n",
1846 __func__, task->conn->max_recv_dlength, hdr_len));
1847
1848 task_data->resp_len = task->conn->max_recv_dlength + hdr_len;
1849 task_data->resp_buffer = dma_alloc_coherent(&ha->pdev->dev,
1850 task_data->resp_len,
1851 &task_data->resp_dma,
1852 GFP_ATOMIC);
1853 if (!task_data->resp_buffer)
1854 goto exit_alloc_pdu;
1855
1856 task_data->req_len = task->data_count + hdr_len;
1857 task_data->req_buffer = dma_alloc_coherent(&ha->pdev->dev,
1858 task_data->req_len,
1859 &task_data->req_dma,
1860 GFP_ATOMIC);
1861 if (!task_data->req_buffer)
1862 goto exit_alloc_pdu;
1863
1864 task->hdr = task_data->req_buffer;
1865
1866 INIT_WORK(&task_data->task_work, qla4xxx_task_work);
1867
1868 return 0;
1869
1870exit_alloc_pdu:
1871 if (task_data->resp_buffer)
1872 dma_free_coherent(&ha->pdev->dev, task_data->resp_len,
1873 task_data->resp_buffer, task_data->resp_dma);
1874
1875 if (task_data->req_buffer)
1876 dma_free_coherent(&ha->pdev->dev, task_data->req_len,
1877 task_data->req_buffer, task_data->req_dma);
1878 return -ENOMEM;
1879}
1880
1881static void qla4xxx_task_cleanup(struct iscsi_task *task)
1882{
1883 struct ql4_task_data *task_data;
1884 struct iscsi_session *sess;
1885 struct ddb_entry *ddb_entry;
1886 struct scsi_qla_host *ha;
1887 int hdr_len;
1888
1889 hdr_len = sizeof(struct iscsi_hdr);
1890 sess = task->conn->session;
1891 ddb_entry = sess->dd_data;
1892 ha = ddb_entry->ha;
1893 task_data = task->dd_data;
1894
1895 if (task->data_count) {
1896 dma_unmap_single(&ha->pdev->dev, task_data->data_dma,
1897 task->data_count, PCI_DMA_TODEVICE);
1898 }
1899
1900 DEBUG2(ql4_printk(KERN_INFO, ha, "%s: MaxRecvLen %u, iscsi hrd %d\n",
1901 __func__, task->conn->max_recv_dlength, hdr_len));
1902
1903 dma_free_coherent(&ha->pdev->dev, task_data->resp_len,
1904 task_data->resp_buffer, task_data->resp_dma);
1905 dma_free_coherent(&ha->pdev->dev, task_data->req_len,
1906 task_data->req_buffer, task_data->req_dma);
1907 return;
1908}
1909
1910static int qla4xxx_task_xmit(struct iscsi_task *task)
1911{
1912 struct scsi_cmnd *sc = task->sc;
1913 struct iscsi_session *sess = task->conn->session;
1914 struct ddb_entry *ddb_entry = sess->dd_data;
1915 struct scsi_qla_host *ha = ddb_entry->ha;
1916
1917 if (!sc)
1918 return qla4xxx_send_passthru0(task);
1919
1920 ql4_printk(KERN_INFO, ha, "%s: scsi cmd xmit not implemented\n",
1921 __func__);
1922 return -ENOSYS;
1923}
1924
1925static void qla4xxx_copy_fwddb_param(struct scsi_qla_host *ha,
1926 struct dev_db_entry *fw_ddb_entry,
1927 struct iscsi_cls_session *cls_sess,
1928 struct iscsi_cls_conn *cls_conn)
1929{
1930 int buflen = 0;
1931 struct iscsi_session *sess;
1932 struct ddb_entry *ddb_entry;
1933 struct iscsi_conn *conn;
1934 char ip_addr[DDB_IPADDR_LEN];
1935 uint16_t options = 0;
1936
1937 sess = cls_sess->dd_data;
1938 ddb_entry = sess->dd_data;
1939 conn = cls_conn->dd_data;
1940
1941 ddb_entry->chap_tbl_idx = le16_to_cpu(fw_ddb_entry->chap_tbl_idx);
1942
1943 conn->max_recv_dlength = BYTE_UNITS *
1944 le16_to_cpu(fw_ddb_entry->iscsi_max_rcv_data_seg_len);
1945
1946 conn->max_xmit_dlength = BYTE_UNITS *
1947 le16_to_cpu(fw_ddb_entry->iscsi_max_snd_data_seg_len);
1948
1949 sess->initial_r2t_en =
1950 (BIT_10 & le16_to_cpu(fw_ddb_entry->iscsi_options));
1951
1952 sess->max_r2t = le16_to_cpu(fw_ddb_entry->iscsi_max_outsnd_r2t);
1953
1954 sess->imm_data_en = (BIT_11 & le16_to_cpu(fw_ddb_entry->iscsi_options));
1955
1956 sess->first_burst = BYTE_UNITS *
1957 le16_to_cpu(fw_ddb_entry->iscsi_first_burst_len);
1958
1959 sess->max_burst = BYTE_UNITS *
1960 le16_to_cpu(fw_ddb_entry->iscsi_max_burst_len);
1961
1962 sess->time2wait = le16_to_cpu(fw_ddb_entry->iscsi_def_time2wait);
1963
1964 sess->time2retain = le16_to_cpu(fw_ddb_entry->iscsi_def_time2retain);
1965
1966 conn->persistent_port = le16_to_cpu(fw_ddb_entry->port);
1967
1968 sess->tpgt = le32_to_cpu(fw_ddb_entry->tgt_portal_grp);
1969
1970 options = le16_to_cpu(fw_ddb_entry->options);
1971 if (options & DDB_OPT_IPV6_DEVICE)
1972 sprintf(ip_addr, "%pI6", fw_ddb_entry->ip_addr);
1973 else
1974 sprintf(ip_addr, "%pI4", fw_ddb_entry->ip_addr);
1975
1976 iscsi_set_param(cls_conn, ISCSI_PARAM_TARGET_NAME,
1977 (char *)fw_ddb_entry->iscsi_name, buflen);
1978 iscsi_set_param(cls_conn, ISCSI_PARAM_INITIATOR_NAME,
1979 (char *)ha->name_string, buflen);
1980 iscsi_set_param(cls_conn, ISCSI_PARAM_PERSISTENT_ADDRESS,
1981 (char *)ip_addr, buflen);
1982 iscsi_set_param(cls_conn, ISCSI_PARAM_TARGET_ALIAS,
1983 (char *)fw_ddb_entry->iscsi_alias, buflen);
1984}
1985
1986void qla4xxx_update_session_conn_fwddb_param(struct scsi_qla_host *ha,
1987 struct ddb_entry *ddb_entry)
1988{
1989 struct iscsi_cls_session *cls_sess;
1990 struct iscsi_cls_conn *cls_conn;
1991 uint32_t ddb_state;
1992 dma_addr_t fw_ddb_entry_dma;
1993 struct dev_db_entry *fw_ddb_entry;
1994
1995 fw_ddb_entry = dma_alloc_coherent(&ha->pdev->dev, sizeof(*fw_ddb_entry),
1996 &fw_ddb_entry_dma, GFP_KERNEL);
1997 if (!fw_ddb_entry) {
1998 ql4_printk(KERN_ERR, ha,
1999 "%s: Unable to allocate dma buffer\n", __func__);
2000 goto exit_session_conn_fwddb_param;
2001 }
2002
2003 if (qla4xxx_get_fwddb_entry(ha, ddb_entry->fw_ddb_index, fw_ddb_entry,
2004 fw_ddb_entry_dma, NULL, NULL, &ddb_state,
2005 NULL, NULL, NULL) == QLA_ERROR) {
2006 DEBUG2(ql4_printk(KERN_ERR, ha, "scsi%ld: %s: failed "
2007 "get_ddb_entry for fw_ddb_index %d\n",
2008 ha->host_no, __func__,
2009 ddb_entry->fw_ddb_index));
2010 goto exit_session_conn_fwddb_param;
2011 }
2012
2013 cls_sess = ddb_entry->sess;
2014
2015 cls_conn = ddb_entry->conn;
2016
2017
2018 qla4xxx_copy_fwddb_param(ha, fw_ddb_entry, cls_sess, cls_conn);
2019
2020exit_session_conn_fwddb_param:
2021 if (fw_ddb_entry)
2022 dma_free_coherent(&ha->pdev->dev, sizeof(*fw_ddb_entry),
2023 fw_ddb_entry, fw_ddb_entry_dma);
2024}
2025
2026void qla4xxx_update_session_conn_param(struct scsi_qla_host *ha,
2027 struct ddb_entry *ddb_entry)
2028{
2029 struct iscsi_cls_session *cls_sess;
2030 struct iscsi_cls_conn *cls_conn;
2031 struct iscsi_session *sess;
2032 struct iscsi_conn *conn;
2033 uint32_t ddb_state;
2034 dma_addr_t fw_ddb_entry_dma;
2035 struct dev_db_entry *fw_ddb_entry;
2036
2037 fw_ddb_entry = dma_alloc_coherent(&ha->pdev->dev, sizeof(*fw_ddb_entry),
2038 &fw_ddb_entry_dma, GFP_KERNEL);
2039 if (!fw_ddb_entry) {
2040 ql4_printk(KERN_ERR, ha,
2041 "%s: Unable to allocate dma buffer\n", __func__);
2042 goto exit_session_conn_param;
2043 }
2044
2045 if (qla4xxx_get_fwddb_entry(ha, ddb_entry->fw_ddb_index, fw_ddb_entry,
2046 fw_ddb_entry_dma, NULL, NULL, &ddb_state,
2047 NULL, NULL, NULL) == QLA_ERROR) {
2048 DEBUG2(ql4_printk(KERN_ERR, ha, "scsi%ld: %s: failed "
2049 "get_ddb_entry for fw_ddb_index %d\n",
2050 ha->host_no, __func__,
2051 ddb_entry->fw_ddb_index));
2052 goto exit_session_conn_param;
2053 }
2054
2055 cls_sess = ddb_entry->sess;
2056 sess = cls_sess->dd_data;
2057
2058 cls_conn = ddb_entry->conn;
2059 conn = cls_conn->dd_data;
2060
2061
2062 ddb_entry->default_relogin_timeout =
2063 (le16_to_cpu(fw_ddb_entry->def_timeout) > LOGIN_TOV) &&
2064 (le16_to_cpu(fw_ddb_entry->def_timeout) < LOGIN_TOV * 10) ?
2065 le16_to_cpu(fw_ddb_entry->def_timeout) : LOGIN_TOV;
2066 ddb_entry->default_time2wait =
2067 le16_to_cpu(fw_ddb_entry->iscsi_def_time2wait);
2068
2069
2070 ddb_entry->chap_tbl_idx = le16_to_cpu(fw_ddb_entry->chap_tbl_idx);
2071 conn->max_recv_dlength = BYTE_UNITS *
2072 le16_to_cpu(fw_ddb_entry->iscsi_max_rcv_data_seg_len);
2073
2074 conn->max_xmit_dlength = BYTE_UNITS *
2075 le16_to_cpu(fw_ddb_entry->iscsi_max_snd_data_seg_len);
2076
2077 sess->initial_r2t_en =
2078 (BIT_10 & le16_to_cpu(fw_ddb_entry->iscsi_options));
2079
2080 sess->max_r2t = le16_to_cpu(fw_ddb_entry->iscsi_max_outsnd_r2t);
2081
2082 sess->imm_data_en = (BIT_11 & le16_to_cpu(fw_ddb_entry->iscsi_options));
2083
2084 sess->first_burst = BYTE_UNITS *
2085 le16_to_cpu(fw_ddb_entry->iscsi_first_burst_len);
2086
2087 sess->max_burst = BYTE_UNITS *
2088 le16_to_cpu(fw_ddb_entry->iscsi_max_burst_len);
2089
2090 sess->time2wait = le16_to_cpu(fw_ddb_entry->iscsi_def_time2wait);
2091
2092 sess->time2retain = le16_to_cpu(fw_ddb_entry->iscsi_def_time2retain);
2093
2094 sess->tpgt = le32_to_cpu(fw_ddb_entry->tgt_portal_grp);
2095
2096 memcpy(sess->initiatorname, ha->name_string,
2097 min(sizeof(ha->name_string), sizeof(sess->initiatorname)));
2098
2099 iscsi_set_param(cls_conn, ISCSI_PARAM_TARGET_ALIAS,
2100 (char *)fw_ddb_entry->iscsi_alias, 0);
2101
2102exit_session_conn_param:
2103 if (fw_ddb_entry)
2104 dma_free_coherent(&ha->pdev->dev, sizeof(*fw_ddb_entry),
2105 fw_ddb_entry, fw_ddb_entry_dma);
2106}
2107
2108
2109
2110
2111
2112static void qla4xxx_start_timer(struct scsi_qla_host *ha, void *func,
2113 unsigned long interval)
2114{
2115 DEBUG(printk("scsi: %s: Starting timer thread for adapter %d\n",
2116 __func__, ha->host->host_no));
2117 init_timer(&ha->timer);
2118 ha->timer.expires = jiffies + interval * HZ;
2119 ha->timer.data = (unsigned long)ha;
2120 ha->timer.function = (void (*)(unsigned long))func;
2121 add_timer(&ha->timer);
2122 ha->timer_active = 1;
2123}
2124
2125static void qla4xxx_stop_timer(struct scsi_qla_host *ha)
2126{
2127 del_timer_sync(&ha->timer);
2128 ha->timer_active = 0;
2129}
2130
2131
2132
2133
2134
2135
2136
2137
2138void qla4xxx_mark_device_missing(struct iscsi_cls_session *cls_session)
2139{
2140 iscsi_block_session(cls_session);
2141}
2142
2143
2144
2145
2146
2147
2148
2149void qla4xxx_mark_all_devices_missing(struct scsi_qla_host *ha)
2150{
2151 iscsi_host_for_each_session(ha->host, qla4xxx_mark_device_missing);
2152}
2153
2154static struct srb* qla4xxx_get_new_srb(struct scsi_qla_host *ha,
2155 struct ddb_entry *ddb_entry,
2156 struct scsi_cmnd *cmd)
2157{
2158 struct srb *srb;
2159
2160 srb = mempool_alloc(ha->srb_mempool, GFP_ATOMIC);
2161 if (!srb)
2162 return srb;
2163
2164 kref_init(&srb->srb_ref);
2165 srb->ha = ha;
2166 srb->ddb = ddb_entry;
2167 srb->cmd = cmd;
2168 srb->flags = 0;
2169 CMD_SP(cmd) = (void *)srb;
2170
2171 return srb;
2172}
2173
2174static void qla4xxx_srb_free_dma(struct scsi_qla_host *ha, struct srb *srb)
2175{
2176 struct scsi_cmnd *cmd = srb->cmd;
2177
2178 if (srb->flags & SRB_DMA_VALID) {
2179 scsi_dma_unmap(cmd);
2180 srb->flags &= ~SRB_DMA_VALID;
2181 }
2182 CMD_SP(cmd) = NULL;
2183}
2184
2185void qla4xxx_srb_compl(struct kref *ref)
2186{
2187 struct srb *srb = container_of(ref, struct srb, srb_ref);
2188 struct scsi_cmnd *cmd = srb->cmd;
2189 struct scsi_qla_host *ha = srb->ha;
2190
2191 qla4xxx_srb_free_dma(ha, srb);
2192
2193 mempool_free(srb, ha->srb_mempool);
2194
2195 cmd->scsi_done(cmd);
2196}
2197
2198
2199
2200
2201
2202
2203
2204
2205
2206
2207
2208
2209
2210
2211static int qla4xxx_queuecommand(struct Scsi_Host *host, struct scsi_cmnd *cmd)
2212{
2213 struct scsi_qla_host *ha = to_qla_host(host);
2214 struct ddb_entry *ddb_entry = cmd->device->hostdata;
2215 struct iscsi_cls_session *sess = ddb_entry->sess;
2216 struct srb *srb;
2217 int rval;
2218
2219 if (test_bit(AF_EEH_BUSY, &ha->flags)) {
2220 if (test_bit(AF_PCI_CHANNEL_IO_PERM_FAILURE, &ha->flags))
2221 cmd->result = DID_NO_CONNECT << 16;
2222 else
2223 cmd->result = DID_REQUEUE << 16;
2224 goto qc_fail_command;
2225 }
2226
2227 if (!sess) {
2228 cmd->result = DID_IMM_RETRY << 16;
2229 goto qc_fail_command;
2230 }
2231
2232 rval = iscsi_session_chkready(sess);
2233 if (rval) {
2234 cmd->result = rval;
2235 goto qc_fail_command;
2236 }
2237
2238 if (test_bit(DPC_RESET_HA_INTR, &ha->dpc_flags) ||
2239 test_bit(DPC_RESET_ACTIVE, &ha->dpc_flags) ||
2240 test_bit(DPC_RESET_HA, &ha->dpc_flags) ||
2241 test_bit(DPC_HA_UNRECOVERABLE, &ha->dpc_flags) ||
2242 test_bit(DPC_HA_NEED_QUIESCENT, &ha->dpc_flags) ||
2243 !test_bit(AF_ONLINE, &ha->flags) ||
2244 !test_bit(AF_LINK_UP, &ha->flags) ||
2245 test_bit(AF_LOOPBACK, &ha->flags) ||
2246 test_bit(DPC_RESET_HA_FW_CONTEXT, &ha->dpc_flags))
2247 goto qc_host_busy;
2248
2249 srb = qla4xxx_get_new_srb(ha, ddb_entry, cmd);
2250 if (!srb)
2251 goto qc_host_busy;
2252
2253 rval = qla4xxx_send_command_to_isp(ha, srb);
2254 if (rval != QLA_SUCCESS)
2255 goto qc_host_busy_free_sp;
2256
2257 return 0;
2258
2259qc_host_busy_free_sp:
2260 qla4xxx_srb_free_dma(ha, srb);
2261 mempool_free(srb, ha->srb_mempool);
2262
2263qc_host_busy:
2264 return SCSI_MLQUEUE_HOST_BUSY;
2265
2266qc_fail_command:
2267 cmd->scsi_done(cmd);
2268
2269 return 0;
2270}
2271
2272
2273
2274
2275
2276
2277
2278static void qla4xxx_mem_free(struct scsi_qla_host *ha)
2279{
2280 if (ha->queues)
2281 dma_free_coherent(&ha->pdev->dev, ha->queues_len, ha->queues,
2282 ha->queues_dma);
2283
2284 if (ha->fw_dump)
2285 vfree(ha->fw_dump);
2286
2287 ha->queues_len = 0;
2288 ha->queues = NULL;
2289 ha->queues_dma = 0;
2290 ha->request_ring = NULL;
2291 ha->request_dma = 0;
2292 ha->response_ring = NULL;
2293 ha->response_dma = 0;
2294 ha->shadow_regs = NULL;
2295 ha->shadow_regs_dma = 0;
2296 ha->fw_dump = NULL;
2297 ha->fw_dump_size = 0;
2298
2299
2300 if (ha->srb_mempool)
2301 mempool_destroy(ha->srb_mempool);
2302
2303 ha->srb_mempool = NULL;
2304
2305 if (ha->chap_dma_pool)
2306 dma_pool_destroy(ha->chap_dma_pool);
2307
2308 if (ha->chap_list)
2309 vfree(ha->chap_list);
2310 ha->chap_list = NULL;
2311
2312 if (ha->fw_ddb_dma_pool)
2313 dma_pool_destroy(ha->fw_ddb_dma_pool);
2314
2315
2316 if (is_qla8022(ha)) {
2317 if (ha->nx_pcibase)
2318 iounmap(
2319 (struct device_reg_82xx __iomem *)ha->nx_pcibase);
2320 } else if (is_qla8032(ha)) {
2321 if (ha->nx_pcibase)
2322 iounmap(
2323 (struct device_reg_83xx __iomem *)ha->nx_pcibase);
2324 } else if (ha->reg) {
2325 iounmap(ha->reg);
2326 }
2327
2328 if (ha->reset_tmplt.buff)
2329 vfree(ha->reset_tmplt.buff);
2330
2331 pci_release_regions(ha->pdev);
2332}
2333
2334
2335
2336
2337
2338
2339
2340
2341static int qla4xxx_mem_alloc(struct scsi_qla_host *ha)
2342{
2343 unsigned long align;
2344
2345
2346 ha->queues_len = ((REQUEST_QUEUE_DEPTH * QUEUE_SIZE) +
2347 (RESPONSE_QUEUE_DEPTH * QUEUE_SIZE) +
2348 sizeof(struct shadow_regs) +
2349 MEM_ALIGN_VALUE +
2350 (PAGE_SIZE - 1)) & ~(PAGE_SIZE - 1);
2351 ha->queues = dma_alloc_coherent(&ha->pdev->dev, ha->queues_len,
2352 &ha->queues_dma, GFP_KERNEL);
2353 if (ha->queues == NULL) {
2354 ql4_printk(KERN_WARNING, ha,
2355 "Memory Allocation failed - queues.\n");
2356
2357 goto mem_alloc_error_exit;
2358 }
2359 memset(ha->queues, 0, ha->queues_len);
2360
2361
2362
2363
2364
2365 align = 0;
2366 if ((unsigned long)ha->queues_dma & (MEM_ALIGN_VALUE - 1))
2367 align = MEM_ALIGN_VALUE - ((unsigned long)ha->queues_dma &
2368 (MEM_ALIGN_VALUE - 1));
2369
2370
2371 ha->request_dma = ha->queues_dma + align;
2372 ha->request_ring = (struct queue_entry *) (ha->queues + align);
2373 ha->response_dma = ha->queues_dma + align +
2374 (REQUEST_QUEUE_DEPTH * QUEUE_SIZE);
2375 ha->response_ring = (struct queue_entry *) (ha->queues + align +
2376 (REQUEST_QUEUE_DEPTH *
2377 QUEUE_SIZE));
2378 ha->shadow_regs_dma = ha->queues_dma + align +
2379 (REQUEST_QUEUE_DEPTH * QUEUE_SIZE) +
2380 (RESPONSE_QUEUE_DEPTH * QUEUE_SIZE);
2381 ha->shadow_regs = (struct shadow_regs *) (ha->queues + align +
2382 (REQUEST_QUEUE_DEPTH *
2383 QUEUE_SIZE) +
2384 (RESPONSE_QUEUE_DEPTH *
2385 QUEUE_SIZE));
2386
2387
2388 ha->srb_mempool = mempool_create(SRB_MIN_REQ, mempool_alloc_slab,
2389 mempool_free_slab, srb_cachep);
2390 if (ha->srb_mempool == NULL) {
2391 ql4_printk(KERN_WARNING, ha,
2392 "Memory Allocation failed - SRB Pool.\n");
2393
2394 goto mem_alloc_error_exit;
2395 }
2396
2397 ha->chap_dma_pool = dma_pool_create("ql4_chap", &ha->pdev->dev,
2398 CHAP_DMA_BLOCK_SIZE, 8, 0);
2399
2400 if (ha->chap_dma_pool == NULL) {
2401 ql4_printk(KERN_WARNING, ha,
2402 "%s: chap_dma_pool allocation failed..\n", __func__);
2403 goto mem_alloc_error_exit;
2404 }
2405
2406 ha->fw_ddb_dma_pool = dma_pool_create("ql4_fw_ddb", &ha->pdev->dev,
2407 DDB_DMA_BLOCK_SIZE, 8, 0);
2408
2409 if (ha->fw_ddb_dma_pool == NULL) {
2410 ql4_printk(KERN_WARNING, ha,
2411 "%s: fw_ddb_dma_pool allocation failed..\n",
2412 __func__);
2413 goto mem_alloc_error_exit;
2414 }
2415
2416 return QLA_SUCCESS;
2417
2418mem_alloc_error_exit:
2419 qla4xxx_mem_free(ha);
2420 return QLA_ERROR;
2421}
2422
2423
2424
2425
2426
2427
2428
2429static int qla4_8xxx_check_temp(struct scsi_qla_host *ha)
2430{
2431 uint32_t temp, temp_state, temp_val;
2432 int status = QLA_SUCCESS;
2433
2434 temp = qla4_8xxx_rd_direct(ha, QLA8XXX_CRB_TEMP_STATE);
2435
2436 temp_state = qla82xx_get_temp_state(temp);
2437 temp_val = qla82xx_get_temp_val(temp);
2438
2439 if (temp_state == QLA82XX_TEMP_PANIC) {
2440 ql4_printk(KERN_WARNING, ha, "Device temperature %d degrees C"
2441 " exceeds maximum allowed. Hardware has been shut"
2442 " down.\n", temp_val);
2443 status = QLA_ERROR;
2444 } else if (temp_state == QLA82XX_TEMP_WARN) {
2445 if (ha->temperature == QLA82XX_TEMP_NORMAL)
2446 ql4_printk(KERN_WARNING, ha, "Device temperature %d"
2447 " degrees C exceeds operating range."
2448 " Immediate action needed.\n", temp_val);
2449 } else {
2450 if (ha->temperature == QLA82XX_TEMP_WARN)
2451 ql4_printk(KERN_INFO, ha, "Device temperature is"
2452 " now %d degrees C in normal range.\n",
2453 temp_val);
2454 }
2455 ha->temperature = temp_state;
2456 return status;
2457}
2458
2459
2460
2461
2462
2463
2464
2465static int qla4_8xxx_check_fw_alive(struct scsi_qla_host *ha)
2466{
2467 uint32_t fw_heartbeat_counter;
2468 int status = QLA_SUCCESS;
2469
2470 fw_heartbeat_counter = qla4_8xxx_rd_direct(ha,
2471 QLA8XXX_PEG_ALIVE_COUNTER);
2472
2473 if (fw_heartbeat_counter == 0xffffffff) {
2474 DEBUG2(printk(KERN_WARNING "scsi%ld: %s: Device in frozen "
2475 "state, QLA82XX_PEG_ALIVE_COUNTER is 0xffffffff\n",
2476 ha->host_no, __func__));
2477 return status;
2478 }
2479
2480 if (ha->fw_heartbeat_counter == fw_heartbeat_counter) {
2481 ha->seconds_since_last_heartbeat++;
2482
2483 if (ha->seconds_since_last_heartbeat == 2) {
2484 ha->seconds_since_last_heartbeat = 0;
2485 qla4_8xxx_dump_peg_reg(ha);
2486 status = QLA_ERROR;
2487 }
2488 } else
2489 ha->seconds_since_last_heartbeat = 0;
2490
2491 ha->fw_heartbeat_counter = fw_heartbeat_counter;
2492 return status;
2493}
2494
2495static void qla4_8xxx_process_fw_error(struct scsi_qla_host *ha)
2496{
2497 uint32_t halt_status;
2498 int halt_status_unrecoverable = 0;
2499
2500 halt_status = qla4_8xxx_rd_direct(ha, QLA8XXX_PEG_HALT_STATUS1);
2501
2502 if (is_qla8022(ha)) {
2503 ql4_printk(KERN_INFO, ha, "%s: disabling pause transmit on port 0 & 1.\n",
2504 __func__);
2505 qla4_82xx_wr_32(ha, QLA82XX_CRB_NIU + 0x98,
2506 CRB_NIU_XG_PAUSE_CTL_P0 |
2507 CRB_NIU_XG_PAUSE_CTL_P1);
2508
2509 if (QLA82XX_FWERROR_CODE(halt_status) == 0x67)
2510 ql4_printk(KERN_ERR, ha, "%s: Firmware aborted with error code 0x00006700. Device is being reset\n",
2511 __func__);
2512 if (halt_status & HALT_STATUS_UNRECOVERABLE)
2513 halt_status_unrecoverable = 1;
2514 } else if (is_qla8032(ha)) {
2515 if (halt_status & QLA83XX_HALT_STATUS_FW_RESET)
2516 ql4_printk(KERN_ERR, ha, "%s: Firmware error detected device is being reset\n",
2517 __func__);
2518 else if (halt_status & QLA83XX_HALT_STATUS_UNRECOVERABLE)
2519 halt_status_unrecoverable = 1;
2520 }
2521
2522
2523
2524
2525
2526 if (halt_status_unrecoverable) {
2527 set_bit(DPC_HA_UNRECOVERABLE, &ha->dpc_flags);
2528 } else {
2529 ql4_printk(KERN_INFO, ha, "%s: detect abort needed!\n",
2530 __func__);
2531 set_bit(DPC_RESET_HA, &ha->dpc_flags);
2532 }
2533 qla4xxx_mailbox_premature_completion(ha);
2534 qla4xxx_wake_dpc(ha);
2535}
2536
2537
2538
2539
2540
2541
2542
2543void qla4_8xxx_watchdog(struct scsi_qla_host *ha)
2544{
2545 uint32_t dev_state;
2546
2547
2548 if (!(test_bit(DPC_RESET_ACTIVE, &ha->dpc_flags) ||
2549 test_bit(DPC_RESET_HA, &ha->dpc_flags) ||
2550 test_bit(DPC_RETRY_RESET_HA, &ha->dpc_flags))) {
2551 dev_state = qla4_8xxx_rd_direct(ha, QLA8XXX_CRB_DEV_STATE);
2552
2553 if (qla4_8xxx_check_temp(ha)) {
2554 if (is_qla8022(ha)) {
2555 ql4_printk(KERN_INFO, ha, "disabling pause transmit on port 0 & 1.\n");
2556 qla4_82xx_wr_32(ha, QLA82XX_CRB_NIU + 0x98,
2557 CRB_NIU_XG_PAUSE_CTL_P0 |
2558 CRB_NIU_XG_PAUSE_CTL_P1);
2559 }
2560 set_bit(DPC_HA_UNRECOVERABLE, &ha->dpc_flags);
2561 qla4xxx_wake_dpc(ha);
2562 } else if (dev_state == QLA8XXX_DEV_NEED_RESET &&
2563 !test_bit(DPC_RESET_HA, &ha->dpc_flags)) {
2564 if (is_qla8032(ha) ||
2565 (is_qla8022(ha) && !ql4xdontresethba)) {
2566 ql4_printk(KERN_INFO, ha, "%s: HW State: "
2567 "NEED RESET!\n", __func__);
2568 set_bit(DPC_RESET_HA, &ha->dpc_flags);
2569 qla4xxx_wake_dpc(ha);
2570 }
2571 } else if (dev_state == QLA8XXX_DEV_NEED_QUIESCENT &&
2572 !test_bit(DPC_HA_NEED_QUIESCENT, &ha->dpc_flags)) {
2573 ql4_printk(KERN_INFO, ha, "%s: HW State: NEED QUIES!\n",
2574 __func__);
2575 set_bit(DPC_HA_NEED_QUIESCENT, &ha->dpc_flags);
2576 qla4xxx_wake_dpc(ha);
2577 } else {
2578
2579 if (qla4_8xxx_check_fw_alive(ha))
2580 qla4_8xxx_process_fw_error(ha);
2581 }
2582 }
2583}
2584
2585static void qla4xxx_check_relogin_flash_ddb(struct iscsi_cls_session *cls_sess)
2586{
2587 struct iscsi_session *sess;
2588 struct ddb_entry *ddb_entry;
2589 struct scsi_qla_host *ha;
2590
2591 sess = cls_sess->dd_data;
2592 ddb_entry = sess->dd_data;
2593 ha = ddb_entry->ha;
2594
2595 if (!(ddb_entry->ddb_type == FLASH_DDB))
2596 return;
2597
2598 if (adapter_up(ha) && !test_bit(DF_RELOGIN, &ddb_entry->flags) &&
2599 !iscsi_is_session_online(cls_sess)) {
2600 if (atomic_read(&ddb_entry->retry_relogin_timer) !=
2601 INVALID_ENTRY) {
2602 if (atomic_read(&ddb_entry->retry_relogin_timer) ==
2603 0) {
2604 atomic_set(&ddb_entry->retry_relogin_timer,
2605 INVALID_ENTRY);
2606 set_bit(DPC_RELOGIN_DEVICE, &ha->dpc_flags);
2607 set_bit(DF_RELOGIN, &ddb_entry->flags);
2608 DEBUG2(ql4_printk(KERN_INFO, ha,
2609 "%s: index [%d] login device\n",
2610 __func__, ddb_entry->fw_ddb_index));
2611 } else
2612 atomic_dec(&ddb_entry->retry_relogin_timer);
2613 }
2614 }
2615
2616
2617 if (atomic_read(&ddb_entry->relogin_timer) &&
2618 (atomic_dec_and_test(&ddb_entry->relogin_timer) != 0)) {
2619
2620
2621
2622
2623 if (!iscsi_is_session_online(cls_sess)) {
2624
2625 atomic_inc(&ddb_entry->relogin_retry_count);
2626 DEBUG2(ql4_printk(KERN_INFO, ha,
2627 "%s: index[%d] relogin timed out-retrying"
2628 " relogin (%d), retry (%d)\n", __func__,
2629 ddb_entry->fw_ddb_index,
2630 atomic_read(&ddb_entry->relogin_retry_count),
2631 ddb_entry->default_time2wait + 4));
2632 set_bit(DPC_RELOGIN_DEVICE, &ha->dpc_flags);
2633 atomic_set(&ddb_entry->retry_relogin_timer,
2634 ddb_entry->default_time2wait + 4);
2635 }
2636 }
2637}
2638
2639
2640
2641
2642
2643static void qla4xxx_timer(struct scsi_qla_host *ha)
2644{
2645 int start_dpc = 0;
2646 uint16_t w;
2647
2648 iscsi_host_for_each_session(ha->host, qla4xxx_check_relogin_flash_ddb);
2649
2650
2651
2652
2653 if (test_bit(AF_EEH_BUSY, &ha->flags)) {
2654 mod_timer(&ha->timer, jiffies + HZ);
2655 return;
2656 }
2657
2658
2659 if (!pci_channel_offline(ha->pdev))
2660 pci_read_config_word(ha->pdev, PCI_VENDOR_ID, &w);
2661
2662 if (is_qla80XX(ha))
2663 qla4_8xxx_watchdog(ha);
2664
2665 if (is_qla40XX(ha)) {
2666
2667 if (ha->firmware_options & FWOPT_HEARTBEAT_ENABLE &&
2668 ha->heartbeat_interval != 0) {
2669 ha->seconds_since_last_heartbeat++;
2670 if (ha->seconds_since_last_heartbeat >
2671 ha->heartbeat_interval + 2)
2672 set_bit(DPC_RESET_HA, &ha->dpc_flags);
2673 }
2674 }
2675
2676
2677 if (!list_empty(&ha->work_list))
2678 start_dpc++;
2679
2680
2681 if (start_dpc ||
2682 test_bit(DPC_RESET_HA, &ha->dpc_flags) ||
2683 test_bit(DPC_RETRY_RESET_HA, &ha->dpc_flags) ||
2684 test_bit(DPC_RELOGIN_DEVICE, &ha->dpc_flags) ||
2685 test_bit(DPC_RESET_HA_FW_CONTEXT, &ha->dpc_flags) ||
2686 test_bit(DPC_RESET_HA_INTR, &ha->dpc_flags) ||
2687 test_bit(DPC_GET_DHCP_IP_ADDR, &ha->dpc_flags) ||
2688 test_bit(DPC_LINK_CHANGED, &ha->dpc_flags) ||
2689 test_bit(DPC_HA_UNRECOVERABLE, &ha->dpc_flags) ||
2690 test_bit(DPC_HA_NEED_QUIESCENT, &ha->dpc_flags) ||
2691 test_bit(DPC_AEN, &ha->dpc_flags)) {
2692 DEBUG2(printk("scsi%ld: %s: scheduling dpc routine"
2693 " - dpc flags = 0x%lx\n",
2694 ha->host_no, __func__, ha->dpc_flags));
2695 qla4xxx_wake_dpc(ha);
2696 }
2697
2698
2699 mod_timer(&ha->timer, jiffies + HZ);
2700
2701 DEBUG2(ha->seconds_since_last_intr++);
2702}
2703
2704
2705
2706
2707
2708
2709
2710
2711static int qla4xxx_cmd_wait(struct scsi_qla_host *ha)
2712{
2713 uint32_t index = 0;
2714 unsigned long flags;
2715 struct scsi_cmnd *cmd;
2716
2717 unsigned long wtime = jiffies + (WAIT_CMD_TOV * HZ);
2718
2719 DEBUG2(ql4_printk(KERN_INFO, ha, "Wait up to %d seconds for cmds to "
2720 "complete\n", WAIT_CMD_TOV));
2721
2722 while (!time_after_eq(jiffies, wtime)) {
2723 spin_lock_irqsave(&ha->hardware_lock, flags);
2724
2725 for (index = 0; index < ha->host->can_queue; index++) {
2726 cmd = scsi_host_find_tag(ha->host, index);
2727
2728
2729
2730
2731
2732
2733 if (cmd != NULL && CMD_SP(cmd))
2734 break;
2735 }
2736 spin_unlock_irqrestore(&ha->hardware_lock, flags);
2737
2738
2739 if (index == ha->host->can_queue)
2740 return QLA_SUCCESS;
2741
2742 msleep(1000);
2743 }
2744
2745
2746 return QLA_ERROR;
2747}
2748
2749int qla4xxx_hw_reset(struct scsi_qla_host *ha)
2750{
2751 uint32_t ctrl_status;
2752 unsigned long flags = 0;
2753
2754 DEBUG2(printk(KERN_ERR "scsi%ld: %s\n", ha->host_no, __func__));
2755
2756 if (ql4xxx_lock_drvr_wait(ha) != QLA_SUCCESS)
2757 return QLA_ERROR;
2758
2759 spin_lock_irqsave(&ha->hardware_lock, flags);
2760
2761
2762
2763
2764
2765 ctrl_status = readw(&ha->reg->ctrl_status);
2766 if ((ctrl_status & CSR_SCSI_RESET_INTR) != 0)
2767 writel(set_rmask(CSR_SCSI_RESET_INTR), &ha->reg->ctrl_status);
2768
2769
2770 writel(set_rmask(CSR_SOFT_RESET), &ha->reg->ctrl_status);
2771 readl(&ha->reg->ctrl_status);
2772
2773 spin_unlock_irqrestore(&ha->hardware_lock, flags);
2774 return QLA_SUCCESS;
2775}
2776
2777
2778
2779
2780
2781int qla4xxx_soft_reset(struct scsi_qla_host *ha)
2782{
2783 uint32_t max_wait_time;
2784 unsigned long flags = 0;
2785 int status;
2786 uint32_t ctrl_status;
2787
2788 status = qla4xxx_hw_reset(ha);
2789 if (status != QLA_SUCCESS)
2790 return status;
2791
2792 status = QLA_ERROR;
2793
2794 max_wait_time = RESET_INTR_TOV;
2795 do {
2796 spin_lock_irqsave(&ha->hardware_lock, flags);
2797 ctrl_status = readw(&ha->reg->ctrl_status);
2798 spin_unlock_irqrestore(&ha->hardware_lock, flags);
2799
2800 if ((ctrl_status & CSR_NET_RESET_INTR) == 0)
2801 break;
2802
2803 msleep(1000);
2804 } while ((--max_wait_time));
2805
2806 if ((ctrl_status & CSR_NET_RESET_INTR) != 0) {
2807 DEBUG2(printk(KERN_WARNING
2808 "scsi%ld: Network Reset Intr not cleared by "
2809 "Network function, clearing it now!\n",
2810 ha->host_no));
2811 spin_lock_irqsave(&ha->hardware_lock, flags);
2812 writel(set_rmask(CSR_NET_RESET_INTR), &ha->reg->ctrl_status);
2813 readl(&ha->reg->ctrl_status);
2814 spin_unlock_irqrestore(&ha->hardware_lock, flags);
2815 }
2816
2817
2818 max_wait_time = SOFT_RESET_TOV;
2819 do {
2820 spin_lock_irqsave(&ha->hardware_lock, flags);
2821 ctrl_status = readw(&ha->reg->ctrl_status);
2822 spin_unlock_irqrestore(&ha->hardware_lock, flags);
2823
2824 if ((ctrl_status & CSR_SOFT_RESET) == 0) {
2825 status = QLA_SUCCESS;
2826 break;
2827 }
2828
2829 msleep(1000);
2830 } while ((--max_wait_time));
2831
2832
2833
2834
2835
2836 spin_lock_irqsave(&ha->hardware_lock, flags);
2837 ctrl_status = readw(&ha->reg->ctrl_status);
2838 if ((ctrl_status & CSR_SCSI_RESET_INTR) != 0) {
2839 writel(set_rmask(CSR_SCSI_RESET_INTR), &ha->reg->ctrl_status);
2840 readl(&ha->reg->ctrl_status);
2841 }
2842 spin_unlock_irqrestore(&ha->hardware_lock, flags);
2843
2844
2845
2846
2847
2848
2849
2850 if (max_wait_time == 0) {
2851
2852 spin_lock_irqsave(&ha->hardware_lock, flags);
2853 writel(set_rmask(CSR_FORCE_SOFT_RESET), &ha->reg->ctrl_status);
2854 readl(&ha->reg->ctrl_status);
2855 spin_unlock_irqrestore(&ha->hardware_lock, flags);
2856
2857 max_wait_time = SOFT_RESET_TOV;
2858 do {
2859 spin_lock_irqsave(&ha->hardware_lock, flags);
2860 ctrl_status = readw(&ha->reg->ctrl_status);
2861 spin_unlock_irqrestore(&ha->hardware_lock, flags);
2862
2863 if ((ctrl_status & CSR_FORCE_SOFT_RESET) == 0) {
2864 status = QLA_SUCCESS;
2865 break;
2866 }
2867
2868 msleep(1000);
2869 } while ((--max_wait_time));
2870 }
2871
2872 return status;
2873}
2874
2875
2876
2877
2878
2879
2880
2881
2882
2883
2884
2885static void qla4xxx_abort_active_cmds(struct scsi_qla_host *ha, int res)
2886{
2887 struct srb *srb;
2888 int i;
2889 unsigned long flags;
2890
2891 spin_lock_irqsave(&ha->hardware_lock, flags);
2892 for (i = 0; i < ha->host->can_queue; i++) {
2893 srb = qla4xxx_del_from_active_array(ha, i);
2894 if (srb != NULL) {
2895 srb->cmd->result = res;
2896 kref_put(&srb->srb_ref, qla4xxx_srb_compl);
2897 }
2898 }
2899 spin_unlock_irqrestore(&ha->hardware_lock, flags);
2900}
2901
2902void qla4xxx_dead_adapter_cleanup(struct scsi_qla_host *ha)
2903{
2904 clear_bit(AF_ONLINE, &ha->flags);
2905
2906
2907 ql4_printk(KERN_INFO, ha, "Disabling the board\n");
2908
2909 qla4xxx_abort_active_cmds(ha, DID_NO_CONNECT << 16);
2910 qla4xxx_mark_all_devices_missing(ha);
2911 clear_bit(AF_INIT_DONE, &ha->flags);
2912}
2913
2914static void qla4xxx_fail_session(struct iscsi_cls_session *cls_session)
2915{
2916 struct iscsi_session *sess;
2917 struct ddb_entry *ddb_entry;
2918
2919 sess = cls_session->dd_data;
2920 ddb_entry = sess->dd_data;
2921 ddb_entry->fw_ddb_device_state = DDB_DS_SESSION_FAILED;
2922
2923 if (ddb_entry->ddb_type == FLASH_DDB)
2924 iscsi_block_session(ddb_entry->sess);
2925 else
2926 iscsi_session_failure(cls_session->dd_data,
2927 ISCSI_ERR_CONN_FAILED);
2928}
2929
2930
2931
2932
2933
2934static int qla4xxx_recover_adapter(struct scsi_qla_host *ha)
2935{
2936 int status = QLA_ERROR;
2937 uint8_t reset_chip = 0;
2938 uint32_t dev_state;
2939 unsigned long wait;
2940
2941
2942 scsi_block_requests(ha->host);
2943 clear_bit(AF_ONLINE, &ha->flags);
2944 clear_bit(AF_LINK_UP, &ha->flags);
2945
2946 DEBUG2(ql4_printk(KERN_INFO, ha, "%s: adapter OFFLINE\n", __func__));
2947
2948 set_bit(DPC_RESET_ACTIVE, &ha->dpc_flags);
2949
2950 if (is_qla8032(ha) &&
2951 !test_bit(DPC_RESET_HA_FW_CONTEXT, &ha->dpc_flags)) {
2952 ql4_printk(KERN_INFO, ha, "%s: disabling pause transmit on port 0 & 1.\n",
2953 __func__);
2954
2955 qla4_83xx_disable_pause(ha);
2956 }
2957
2958 iscsi_host_for_each_session(ha->host, qla4xxx_fail_session);
2959
2960 if (test_bit(DPC_RESET_HA, &ha->dpc_flags))
2961 reset_chip = 1;
2962
2963
2964
2965 if (test_bit(DPC_RESET_HA_INTR, &ha->dpc_flags)) {
2966 status = QLA_SUCCESS;
2967 goto recover_ha_init_adapter;
2968 }
2969
2970
2971
2972 if (is_qla80XX(ha) && !reset_chip &&
2973 test_bit(DPC_RESET_HA_FW_CONTEXT, &ha->dpc_flags)) {
2974
2975 DEBUG2(ql4_printk(KERN_INFO, ha,
2976 "scsi%ld: %s - Performing stop_firmware...\n",
2977 ha->host_no, __func__));
2978 status = ha->isp_ops->reset_firmware(ha);
2979 if (status == QLA_SUCCESS) {
2980 if (!test_bit(AF_FW_RECOVERY, &ha->flags))
2981 qla4xxx_cmd_wait(ha);
2982
2983 ha->isp_ops->disable_intrs(ha);
2984 qla4xxx_process_aen(ha, FLUSH_DDB_CHANGED_AENS);
2985 qla4xxx_abort_active_cmds(ha, DID_RESET << 16);
2986 } else {
2987
2988
2989 reset_chip = 1;
2990 clear_bit(DPC_RESET_HA_FW_CONTEXT, &ha->dpc_flags);
2991 set_bit(DPC_RESET_HA, &ha->dpc_flags);
2992 }
2993 }
2994
2995
2996
2997
2998 if (is_qla40XX(ha) || reset_chip) {
2999 if (is_qla40XX(ha))
3000 goto chip_reset;
3001
3002
3003
3004
3005 if (test_bit(AF_FW_RECOVERY, &ha->flags))
3006 goto chip_reset;
3007
3008 wait = jiffies + (FW_ALIVE_WAIT_TOV * HZ);
3009 while (time_before(jiffies, wait)) {
3010 if (qla4_8xxx_check_fw_alive(ha)) {
3011 qla4xxx_mailbox_premature_completion(ha);
3012 break;
3013 }
3014
3015 set_current_state(TASK_UNINTERRUPTIBLE);
3016 schedule_timeout(HZ);
3017 }
3018chip_reset:
3019 if (!test_bit(AF_FW_RECOVERY, &ha->flags))
3020 qla4xxx_cmd_wait(ha);
3021
3022 qla4xxx_process_aen(ha, FLUSH_DDB_CHANGED_AENS);
3023 qla4xxx_abort_active_cmds(ha, DID_RESET << 16);
3024 DEBUG2(ql4_printk(KERN_INFO, ha,
3025 "scsi%ld: %s - Performing chip reset..\n",
3026 ha->host_no, __func__));
3027 status = ha->isp_ops->reset_chip(ha);
3028 }
3029
3030
3031 qla4xxx_process_aen(ha, FLUSH_DDB_CHANGED_AENS);
3032
3033recover_ha_init_adapter:
3034
3035 if (status == QLA_SUCCESS) {
3036
3037
3038
3039 if (is_qla40XX(ha) && (ha->mac_index == 3))
3040 ssleep(6);
3041
3042
3043
3044 status = qla4xxx_initialize_adapter(ha, RESET_ADAPTER);
3045 }
3046
3047
3048
3049
3050 if (!test_bit(AF_ONLINE, &ha->flags) &&
3051 !test_bit(DPC_RESET_HA_INTR, &ha->dpc_flags)) {
3052
3053
3054
3055
3056
3057 if (is_qla80XX(ha)) {
3058 ha->isp_ops->idc_lock(ha);
3059 dev_state = qla4_8xxx_rd_direct(ha,
3060 QLA8XXX_CRB_DEV_STATE);
3061 ha->isp_ops->idc_unlock(ha);
3062 if (dev_state == QLA8XXX_DEV_FAILED) {
3063 ql4_printk(KERN_INFO, ha, "%s: don't retry "
3064 "recover adapter. H/W is in Failed "
3065 "state\n", __func__);
3066 qla4xxx_dead_adapter_cleanup(ha);
3067 clear_bit(DPC_RETRY_RESET_HA, &ha->dpc_flags);
3068 clear_bit(DPC_RESET_HA, &ha->dpc_flags);
3069 clear_bit(DPC_RESET_HA_FW_CONTEXT,
3070 &ha->dpc_flags);
3071 status = QLA_ERROR;
3072
3073 goto exit_recover;
3074 }
3075 }
3076
3077 if (!test_bit(DPC_RETRY_RESET_HA, &ha->dpc_flags)) {
3078 ha->retry_reset_ha_cnt = MAX_RESET_HA_RETRIES;
3079 DEBUG2(printk("scsi%ld: recover adapter - retrying "
3080 "(%d) more times\n", ha->host_no,
3081 ha->retry_reset_ha_cnt));
3082 set_bit(DPC_RETRY_RESET_HA, &ha->dpc_flags);
3083 status = QLA_ERROR;
3084 } else {
3085 if (ha->retry_reset_ha_cnt > 0) {
3086
3087 ha->retry_reset_ha_cnt--;
3088 DEBUG2(printk("scsi%ld: recover adapter - "
3089 "retry remaining %d\n",
3090 ha->host_no,
3091 ha->retry_reset_ha_cnt));
3092 status = QLA_ERROR;
3093 }
3094
3095 if (ha->retry_reset_ha_cnt == 0) {
3096
3097
3098 DEBUG2(printk("scsi%ld: recover adapter "
3099 "failed - board disabled\n",
3100 ha->host_no));
3101 qla4xxx_dead_adapter_cleanup(ha);
3102 clear_bit(DPC_RETRY_RESET_HA, &ha->dpc_flags);
3103 clear_bit(DPC_RESET_HA, &ha->dpc_flags);
3104 clear_bit(DPC_RESET_HA_FW_CONTEXT,
3105 &ha->dpc_flags);
3106 status = QLA_ERROR;
3107 }
3108 }
3109 } else {
3110 clear_bit(DPC_RESET_HA, &ha->dpc_flags);
3111 clear_bit(DPC_RESET_HA_FW_CONTEXT, &ha->dpc_flags);
3112 clear_bit(DPC_RETRY_RESET_HA, &ha->dpc_flags);
3113 }
3114
3115exit_recover:
3116 ha->adapter_error_count++;
3117
3118 if (test_bit(AF_ONLINE, &ha->flags))
3119 ha->isp_ops->enable_intrs(ha);
3120
3121 scsi_unblock_requests(ha->host);
3122
3123 clear_bit(DPC_RESET_ACTIVE, &ha->dpc_flags);
3124 DEBUG2(printk("scsi%ld: recover adapter: %s\n", ha->host_no,
3125 status == QLA_ERROR ? "FAILED" : "SUCCEEDED"));
3126
3127 return status;
3128}
3129
3130static void qla4xxx_relogin_devices(struct iscsi_cls_session *cls_session)
3131{
3132 struct iscsi_session *sess;
3133 struct ddb_entry *ddb_entry;
3134 struct scsi_qla_host *ha;
3135
3136 sess = cls_session->dd_data;
3137 ddb_entry = sess->dd_data;
3138 ha = ddb_entry->ha;
3139 if (!iscsi_is_session_online(cls_session)) {
3140 if (ddb_entry->fw_ddb_device_state == DDB_DS_SESSION_ACTIVE) {
3141 ql4_printk(KERN_INFO, ha, "scsi%ld: %s: ddb[%d]"
3142 " unblock session\n", ha->host_no, __func__,
3143 ddb_entry->fw_ddb_index);
3144 iscsi_unblock_session(ddb_entry->sess);
3145 } else {
3146
3147 if (ddb_entry->ddb_type == FLASH_DDB) {
3148 if (!test_bit(DF_RELOGIN, &ddb_entry->flags))
3149 qla4xxx_arm_relogin_timer(ddb_entry);
3150 } else
3151 iscsi_session_failure(cls_session->dd_data,
3152 ISCSI_ERR_CONN_FAILED);
3153 }
3154 }
3155}
3156
3157int qla4xxx_unblock_flash_ddb(struct iscsi_cls_session *cls_session)
3158{
3159 struct iscsi_session *sess;
3160 struct ddb_entry *ddb_entry;
3161 struct scsi_qla_host *ha;
3162
3163 sess = cls_session->dd_data;
3164 ddb_entry = sess->dd_data;
3165 ha = ddb_entry->ha;
3166 ql4_printk(KERN_INFO, ha, "scsi%ld: %s: ddb[%d]"
3167 " unblock session\n", ha->host_no, __func__,
3168 ddb_entry->fw_ddb_index);
3169
3170 iscsi_unblock_session(ddb_entry->sess);
3171
3172
3173 if (test_bit(AF_ONLINE, &ha->flags)) {
3174 ql4_printk(KERN_INFO, ha, "scsi%ld: %s: ddb[%d]"
3175 " start scan\n", ha->host_no, __func__,
3176 ddb_entry->fw_ddb_index);
3177 scsi_queue_work(ha->host, &ddb_entry->sess->scan_work);
3178 }
3179 return QLA_SUCCESS;
3180}
3181
3182int qla4xxx_unblock_ddb(struct iscsi_cls_session *cls_session)
3183{
3184 struct iscsi_session *sess;
3185 struct ddb_entry *ddb_entry;
3186 struct scsi_qla_host *ha;
3187 int status = QLA_SUCCESS;
3188
3189 sess = cls_session->dd_data;
3190 ddb_entry = sess->dd_data;
3191 ha = ddb_entry->ha;
3192 ql4_printk(KERN_INFO, ha, "scsi%ld: %s: ddb[%d]"
3193 " unblock user space session\n", ha->host_no, __func__,
3194 ddb_entry->fw_ddb_index);
3195
3196 if (!iscsi_is_session_online(cls_session)) {
3197 iscsi_conn_start(ddb_entry->conn);
3198 iscsi_conn_login_event(ddb_entry->conn,
3199 ISCSI_CONN_STATE_LOGGED_IN);
3200 } else {
3201 ql4_printk(KERN_INFO, ha,
3202 "scsi%ld: %s: ddb[%d] session [%d] already logged in\n",
3203 ha->host_no, __func__, ddb_entry->fw_ddb_index,
3204 cls_session->sid);
3205 status = QLA_ERROR;
3206 }
3207
3208 return status;
3209}
3210
3211static void qla4xxx_relogin_all_devices(struct scsi_qla_host *ha)
3212{
3213 iscsi_host_for_each_session(ha->host, qla4xxx_relogin_devices);
3214}
3215
3216static void qla4xxx_relogin_flash_ddb(struct iscsi_cls_session *cls_sess)
3217{
3218 uint16_t relogin_timer;
3219 struct iscsi_session *sess;
3220 struct ddb_entry *ddb_entry;
3221 struct scsi_qla_host *ha;
3222
3223 sess = cls_sess->dd_data;
3224 ddb_entry = sess->dd_data;
3225 ha = ddb_entry->ha;
3226
3227 relogin_timer = max(ddb_entry->default_relogin_timeout,
3228 (uint16_t)RELOGIN_TOV);
3229 atomic_set(&ddb_entry->relogin_timer, relogin_timer);
3230
3231 DEBUG2(ql4_printk(KERN_INFO, ha,
3232 "scsi%ld: Relogin index [%d]. TOV=%d\n", ha->host_no,
3233 ddb_entry->fw_ddb_index, relogin_timer));
3234
3235 qla4xxx_login_flash_ddb(cls_sess);
3236}
3237
3238static void qla4xxx_dpc_relogin(struct iscsi_cls_session *cls_sess)
3239{
3240 struct iscsi_session *sess;
3241 struct ddb_entry *ddb_entry;
3242 struct scsi_qla_host *ha;
3243
3244 sess = cls_sess->dd_data;
3245 ddb_entry = sess->dd_data;
3246 ha = ddb_entry->ha;
3247
3248 if (!(ddb_entry->ddb_type == FLASH_DDB))
3249 return;
3250
3251 if (test_and_clear_bit(DF_RELOGIN, &ddb_entry->flags) &&
3252 !iscsi_is_session_online(cls_sess)) {
3253 DEBUG2(ql4_printk(KERN_INFO, ha,
3254 "relogin issued\n"));
3255 qla4xxx_relogin_flash_ddb(cls_sess);
3256 }
3257}
3258
3259void qla4xxx_wake_dpc(struct scsi_qla_host *ha)
3260{
3261 if (ha->dpc_thread)
3262 queue_work(ha->dpc_thread, &ha->dpc_work);
3263}
3264
3265static struct qla4_work_evt *
3266qla4xxx_alloc_work(struct scsi_qla_host *ha, uint32_t data_size,
3267 enum qla4_work_type type)
3268{
3269 struct qla4_work_evt *e;
3270 uint32_t size = sizeof(struct qla4_work_evt) + data_size;
3271
3272 e = kzalloc(size, GFP_ATOMIC);
3273 if (!e)
3274 return NULL;
3275
3276 INIT_LIST_HEAD(&e->list);
3277 e->type = type;
3278 return e;
3279}
3280
3281static void qla4xxx_post_work(struct scsi_qla_host *ha,
3282 struct qla4_work_evt *e)
3283{
3284 unsigned long flags;
3285
3286 spin_lock_irqsave(&ha->work_lock, flags);
3287 list_add_tail(&e->list, &ha->work_list);
3288 spin_unlock_irqrestore(&ha->work_lock, flags);
3289 qla4xxx_wake_dpc(ha);
3290}
3291
3292int qla4xxx_post_aen_work(struct scsi_qla_host *ha,
3293 enum iscsi_host_event_code aen_code,
3294 uint32_t data_size, uint8_t *data)
3295{
3296 struct qla4_work_evt *e;
3297
3298 e = qla4xxx_alloc_work(ha, data_size, QLA4_EVENT_AEN);
3299 if (!e)
3300 return QLA_ERROR;
3301
3302 e->u.aen.code = aen_code;
3303 e->u.aen.data_size = data_size;
3304 memcpy(e->u.aen.data, data, data_size);
3305
3306 qla4xxx_post_work(ha, e);
3307
3308 return QLA_SUCCESS;
3309}
3310
3311int qla4xxx_post_ping_evt_work(struct scsi_qla_host *ha,
3312 uint32_t status, uint32_t pid,
3313 uint32_t data_size, uint8_t *data)
3314{
3315 struct qla4_work_evt *e;
3316
3317 e = qla4xxx_alloc_work(ha, data_size, QLA4_EVENT_PING_STATUS);
3318 if (!e)
3319 return QLA_ERROR;
3320
3321 e->u.ping.status = status;
3322 e->u.ping.pid = pid;
3323 e->u.ping.data_size = data_size;
3324 memcpy(e->u.ping.data, data, data_size);
3325
3326 qla4xxx_post_work(ha, e);
3327
3328 return QLA_SUCCESS;
3329}
3330
3331static void qla4xxx_do_work(struct scsi_qla_host *ha)
3332{
3333 struct qla4_work_evt *e, *tmp;
3334 unsigned long flags;
3335 LIST_HEAD(work);
3336
3337 spin_lock_irqsave(&ha->work_lock, flags);
3338 list_splice_init(&ha->work_list, &work);
3339 spin_unlock_irqrestore(&ha->work_lock, flags);
3340
3341 list_for_each_entry_safe(e, tmp, &work, list) {
3342 list_del_init(&e->list);
3343
3344 switch (e->type) {
3345 case QLA4_EVENT_AEN:
3346 iscsi_post_host_event(ha->host_no,
3347 &qla4xxx_iscsi_transport,
3348 e->u.aen.code,
3349 e->u.aen.data_size,
3350 e->u.aen.data);
3351 break;
3352 case QLA4_EVENT_PING_STATUS:
3353 iscsi_ping_comp_event(ha->host_no,
3354 &qla4xxx_iscsi_transport,
3355 e->u.ping.status,
3356 e->u.ping.pid,
3357 e->u.ping.data_size,
3358 e->u.ping.data);
3359 break;
3360 default:
3361 ql4_printk(KERN_WARNING, ha, "event type: 0x%x not "
3362 "supported", e->type);
3363 }
3364 kfree(e);
3365 }
3366}
3367
3368
3369
3370
3371
3372
3373
3374
3375
3376
3377
3378
3379static void qla4xxx_do_dpc(struct work_struct *work)
3380{
3381 struct scsi_qla_host *ha =
3382 container_of(work, struct scsi_qla_host, dpc_work);
3383 int status = QLA_ERROR;
3384
3385 DEBUG2(printk("scsi%ld: %s: DPC handler waking up."
3386 "flags = 0x%08lx, dpc_flags = 0x%08lx\n",
3387 ha->host_no, __func__, ha->flags, ha->dpc_flags))
3388
3389
3390 if (!test_bit(AF_INIT_DONE, &ha->flags))
3391 return;
3392
3393 if (test_bit(AF_EEH_BUSY, &ha->flags)) {
3394 DEBUG2(printk(KERN_INFO "scsi%ld: %s: flags = %lx\n",
3395 ha->host_no, __func__, ha->flags));
3396 return;
3397 }
3398
3399
3400 qla4xxx_do_work(ha);
3401
3402 if (is_qla80XX(ha)) {
3403 if (test_bit(DPC_HA_UNRECOVERABLE, &ha->dpc_flags)) {
3404 if (is_qla8032(ha)) {
3405 ql4_printk(KERN_INFO, ha, "%s: disabling pause transmit on port 0 & 1.\n",
3406 __func__);
3407
3408 qla4_83xx_disable_pause(ha);
3409 }
3410
3411 ha->isp_ops->idc_lock(ha);
3412 qla4_8xxx_wr_direct(ha, QLA8XXX_CRB_DEV_STATE,
3413 QLA8XXX_DEV_FAILED);
3414 ha->isp_ops->idc_unlock(ha);
3415 ql4_printk(KERN_INFO, ha, "HW State: FAILED\n");
3416 qla4_8xxx_device_state_handler(ha);
3417 }
3418
3419 if (test_and_clear_bit(DPC_POST_IDC_ACK, &ha->dpc_flags))
3420 qla4_83xx_post_idc_ack(ha);
3421
3422 if (test_and_clear_bit(DPC_HA_NEED_QUIESCENT, &ha->dpc_flags)) {
3423 qla4_8xxx_need_qsnt_handler(ha);
3424 }
3425 }
3426
3427 if (!test_bit(DPC_RESET_ACTIVE, &ha->dpc_flags) &&
3428 (test_bit(DPC_RESET_HA, &ha->dpc_flags) ||
3429 test_bit(DPC_RESET_HA_INTR, &ha->dpc_flags) ||
3430 test_bit(DPC_RESET_HA_FW_CONTEXT, &ha->dpc_flags))) {
3431 if ((is_qla8022(ha) && ql4xdontresethba) ||
3432 (is_qla8032(ha) && qla4_83xx_idc_dontreset(ha))) {
3433 DEBUG2(printk("scsi%ld: %s: Don't Reset HBA\n",
3434 ha->host_no, __func__));
3435 clear_bit(DPC_RESET_HA, &ha->dpc_flags);
3436 clear_bit(DPC_RESET_HA_INTR, &ha->dpc_flags);
3437 clear_bit(DPC_RESET_HA_FW_CONTEXT, &ha->dpc_flags);
3438 goto dpc_post_reset_ha;
3439 }
3440 if (test_bit(DPC_RESET_HA_FW_CONTEXT, &ha->dpc_flags) ||
3441 test_bit(DPC_RESET_HA, &ha->dpc_flags))
3442 qla4xxx_recover_adapter(ha);
3443
3444 if (test_bit(DPC_RESET_HA_INTR, &ha->dpc_flags)) {
3445 uint8_t wait_time = RESET_INTR_TOV;
3446
3447 while ((readw(&ha->reg->ctrl_status) &
3448 (CSR_SOFT_RESET | CSR_FORCE_SOFT_RESET)) != 0) {
3449 if (--wait_time == 0)
3450 break;
3451 msleep(1000);
3452 }
3453 if (wait_time == 0)
3454 DEBUG2(printk("scsi%ld: %s: SR|FSR "
3455 "bit not cleared-- resetting\n",
3456 ha->host_no, __func__));
3457 qla4xxx_abort_active_cmds(ha, DID_RESET << 16);
3458 if (ql4xxx_lock_drvr_wait(ha) == QLA_SUCCESS) {
3459 qla4xxx_process_aen(ha, FLUSH_DDB_CHANGED_AENS);
3460 status = qla4xxx_recover_adapter(ha);
3461 }
3462 clear_bit(DPC_RESET_HA_INTR, &ha->dpc_flags);
3463 if (status == QLA_SUCCESS)
3464 ha->isp_ops->enable_intrs(ha);
3465 }
3466 }
3467
3468dpc_post_reset_ha:
3469
3470 if (test_and_clear_bit(DPC_AEN, &ha->dpc_flags))
3471 qla4xxx_process_aen(ha, PROCESS_ALL_AENS);
3472
3473
3474 if (test_and_clear_bit(DPC_GET_DHCP_IP_ADDR, &ha->dpc_flags))
3475 qla4xxx_get_dhcp_ip_address(ha);
3476
3477
3478 if (adapter_up(ha) &&
3479 test_and_clear_bit(DPC_RELOGIN_DEVICE, &ha->dpc_flags)) {
3480 iscsi_host_for_each_session(ha->host, qla4xxx_dpc_relogin);
3481 }
3482
3483
3484 if (!test_bit(AF_LOOPBACK, &ha->flags) &&
3485 test_and_clear_bit(DPC_LINK_CHANGED, &ha->dpc_flags)) {
3486 if (!test_bit(AF_LINK_UP, &ha->flags)) {
3487
3488 qla4xxx_mark_all_devices_missing(ha);
3489 } else {
3490
3491
3492
3493
3494
3495
3496 if (test_and_clear_bit(AF_BUILD_DDB_LIST, &ha->flags)) {
3497 qla4xxx_build_ddb_list(ha, ha->is_reset);
3498 iscsi_host_for_each_session(ha->host,
3499 qla4xxx_login_flash_ddb);
3500 } else
3501 qla4xxx_relogin_all_devices(ha);
3502 }
3503 }
3504}
3505
3506
3507
3508
3509
3510static void qla4xxx_free_adapter(struct scsi_qla_host *ha)
3511{
3512 qla4xxx_abort_active_cmds(ha, DID_NO_CONNECT << 16);
3513
3514
3515 ha->isp_ops->disable_intrs(ha);
3516
3517 if (is_qla40XX(ha)) {
3518 writel(set_rmask(CSR_SCSI_PROCESSOR_INTR),
3519 &ha->reg->ctrl_status);
3520 readl(&ha->reg->ctrl_status);
3521 } else if (is_qla8022(ha)) {
3522 writel(0, &ha->qla4_82xx_reg->host_int);
3523 readl(&ha->qla4_82xx_reg->host_int);
3524 } else if (is_qla8032(ha)) {
3525 writel(0, &ha->qla4_83xx_reg->risc_intr);
3526 readl(&ha->qla4_83xx_reg->risc_intr);
3527 }
3528
3529
3530 if (ha->timer_active)
3531 qla4xxx_stop_timer(ha);
3532
3533
3534 if (ha->dpc_thread)
3535 destroy_workqueue(ha->dpc_thread);
3536
3537
3538 if (ha->task_wq)
3539 destroy_workqueue(ha->task_wq);
3540
3541
3542 ha->isp_ops->reset_firmware(ha);
3543
3544 if (is_qla80XX(ha)) {
3545 ha->isp_ops->idc_lock(ha);
3546 qla4_8xxx_clear_drv_active(ha);
3547 ha->isp_ops->idc_unlock(ha);
3548 }
3549
3550
3551 qla4xxx_free_irqs(ha);
3552
3553
3554 qla4xxx_mem_free(ha);
3555}
3556
3557int qla4_8xxx_iospace_config(struct scsi_qla_host *ha)
3558{
3559 int status = 0;
3560 unsigned long mem_base, mem_len, db_base, db_len;
3561 struct pci_dev *pdev = ha->pdev;
3562
3563 status = pci_request_regions(pdev, DRIVER_NAME);
3564 if (status) {
3565 printk(KERN_WARNING
3566 "scsi(%ld) Failed to reserve PIO regions (%s) "
3567 "status=%d\n", ha->host_no, pci_name(pdev), status);
3568 goto iospace_error_exit;
3569 }
3570
3571 DEBUG2(printk(KERN_INFO "%s: revision-id=%d\n",
3572 __func__, pdev->revision));
3573 ha->revision_id = pdev->revision;
3574
3575
3576 mem_base = pci_resource_start(pdev, 0);
3577 mem_len = pci_resource_len(pdev, 0);
3578 DEBUG2(printk(KERN_INFO "%s: ioremap from %lx a size of %lx\n",
3579 __func__, mem_base, mem_len));
3580
3581
3582 ha->nx_pcibase = (unsigned long)ioremap(mem_base, mem_len);
3583 if (!ha->nx_pcibase) {
3584 printk(KERN_ERR
3585 "cannot remap MMIO (%s), aborting\n", pci_name(pdev));
3586 pci_release_regions(ha->pdev);
3587 goto iospace_error_exit;
3588 }
3589
3590
3591
3592
3593 if (is_qla8022(ha)) {
3594 ha->qla4_82xx_reg = (struct device_reg_82xx __iomem *)
3595 ((uint8_t *)ha->nx_pcibase + 0xbc000 +
3596 (ha->pdev->devfn << 11));
3597 ha->nx_db_wr_ptr = (ha->pdev->devfn == 4 ? QLA82XX_CAM_RAM_DB1 :
3598 QLA82XX_CAM_RAM_DB2);
3599 } else if (is_qla8032(ha)) {
3600 ha->qla4_83xx_reg = (struct device_reg_83xx __iomem *)
3601 ((uint8_t *)ha->nx_pcibase);
3602 }
3603
3604 db_base = pci_resource_start(pdev, 4);
3605 db_len = pci_resource_len(pdev, 4);
3606
3607 return 0;
3608iospace_error_exit:
3609 return -ENOMEM;
3610}
3611
3612
3613
3614
3615
3616
3617
3618
3619int qla4xxx_iospace_config(struct scsi_qla_host *ha)
3620{
3621 unsigned long pio, pio_len, pio_flags;
3622 unsigned long mmio, mmio_len, mmio_flags;
3623
3624 pio = pci_resource_start(ha->pdev, 0);
3625 pio_len = pci_resource_len(ha->pdev, 0);
3626 pio_flags = pci_resource_flags(ha->pdev, 0);
3627 if (pio_flags & IORESOURCE_IO) {
3628 if (pio_len < MIN_IOBASE_LEN) {
3629 ql4_printk(KERN_WARNING, ha,
3630 "Invalid PCI I/O region size\n");
3631 pio = 0;
3632 }
3633 } else {
3634 ql4_printk(KERN_WARNING, ha, "region #0 not a PIO resource\n");
3635 pio = 0;
3636 }
3637
3638
3639 mmio = pci_resource_start(ha->pdev, 1);
3640 mmio_len = pci_resource_len(ha->pdev, 1);
3641 mmio_flags = pci_resource_flags(ha->pdev, 1);
3642
3643 if (!(mmio_flags & IORESOURCE_MEM)) {
3644 ql4_printk(KERN_ERR, ha,
3645 "region #0 not an MMIO resource, aborting\n");
3646
3647 goto iospace_error_exit;
3648 }
3649
3650 if (mmio_len < MIN_IOBASE_LEN) {
3651 ql4_printk(KERN_ERR, ha,
3652 "Invalid PCI mem region size, aborting\n");
3653 goto iospace_error_exit;
3654 }
3655
3656 if (pci_request_regions(ha->pdev, DRIVER_NAME)) {
3657 ql4_printk(KERN_WARNING, ha,
3658 "Failed to reserve PIO/MMIO regions\n");
3659
3660 goto iospace_error_exit;
3661 }
3662
3663 ha->pio_address = pio;
3664 ha->pio_length = pio_len;
3665 ha->reg = ioremap(mmio, MIN_IOBASE_LEN);
3666 if (!ha->reg) {
3667 ql4_printk(KERN_ERR, ha,
3668 "cannot remap MMIO, aborting\n");
3669
3670 goto iospace_error_exit;
3671 }
3672
3673 return 0;
3674
3675iospace_error_exit:
3676 return -ENOMEM;
3677}
3678
3679static struct isp_operations qla4xxx_isp_ops = {
3680 .iospace_config = qla4xxx_iospace_config,
3681 .pci_config = qla4xxx_pci_config,
3682 .disable_intrs = qla4xxx_disable_intrs,
3683 .enable_intrs = qla4xxx_enable_intrs,
3684 .start_firmware = qla4xxx_start_firmware,
3685 .intr_handler = qla4xxx_intr_handler,
3686 .interrupt_service_routine = qla4xxx_interrupt_service_routine,
3687 .reset_chip = qla4xxx_soft_reset,
3688 .reset_firmware = qla4xxx_hw_reset,
3689 .queue_iocb = qla4xxx_queue_iocb,
3690 .complete_iocb = qla4xxx_complete_iocb,
3691 .rd_shdw_req_q_out = qla4xxx_rd_shdw_req_q_out,
3692 .rd_shdw_rsp_q_in = qla4xxx_rd_shdw_rsp_q_in,
3693 .get_sys_info = qla4xxx_get_sys_info,
3694 .queue_mailbox_command = qla4xxx_queue_mbox_cmd,
3695 .process_mailbox_interrupt = qla4xxx_process_mbox_intr,
3696};
3697
3698static struct isp_operations qla4_82xx_isp_ops = {
3699 .iospace_config = qla4_8xxx_iospace_config,
3700 .pci_config = qla4_8xxx_pci_config,
3701 .disable_intrs = qla4_82xx_disable_intrs,
3702 .enable_intrs = qla4_82xx_enable_intrs,
3703 .start_firmware = qla4_8xxx_load_risc,
3704 .restart_firmware = qla4_82xx_try_start_fw,
3705 .intr_handler = qla4_82xx_intr_handler,
3706 .interrupt_service_routine = qla4_82xx_interrupt_service_routine,
3707 .need_reset = qla4_8xxx_need_reset,
3708 .reset_chip = qla4_82xx_isp_reset,
3709 .reset_firmware = qla4_8xxx_stop_firmware,
3710 .queue_iocb = qla4_82xx_queue_iocb,
3711 .complete_iocb = qla4_82xx_complete_iocb,
3712 .rd_shdw_req_q_out = qla4_82xx_rd_shdw_req_q_out,
3713 .rd_shdw_rsp_q_in = qla4_82xx_rd_shdw_rsp_q_in,
3714 .get_sys_info = qla4_8xxx_get_sys_info,
3715 .rd_reg_direct = qla4_82xx_rd_32,
3716 .wr_reg_direct = qla4_82xx_wr_32,
3717 .rd_reg_indirect = qla4_82xx_md_rd_32,
3718 .wr_reg_indirect = qla4_82xx_md_wr_32,
3719 .idc_lock = qla4_82xx_idc_lock,
3720 .idc_unlock = qla4_82xx_idc_unlock,
3721 .rom_lock_recovery = qla4_82xx_rom_lock_recovery,
3722 .queue_mailbox_command = qla4_82xx_queue_mbox_cmd,
3723 .process_mailbox_interrupt = qla4_82xx_process_mbox_intr,
3724};
3725
3726static struct isp_operations qla4_83xx_isp_ops = {
3727 .iospace_config = qla4_8xxx_iospace_config,
3728 .pci_config = qla4_8xxx_pci_config,
3729 .disable_intrs = qla4_83xx_disable_intrs,
3730 .enable_intrs = qla4_83xx_enable_intrs,
3731 .start_firmware = qla4_8xxx_load_risc,
3732 .restart_firmware = qla4_83xx_start_firmware,
3733 .intr_handler = qla4_83xx_intr_handler,
3734 .interrupt_service_routine = qla4_83xx_interrupt_service_routine,
3735 .need_reset = qla4_8xxx_need_reset,
3736 .reset_chip = qla4_83xx_isp_reset,
3737 .reset_firmware = qla4_8xxx_stop_firmware,
3738 .queue_iocb = qla4_83xx_queue_iocb,
3739 .complete_iocb = qla4_83xx_complete_iocb,
3740 .rd_shdw_req_q_out = qla4_83xx_rd_shdw_req_q_out,
3741 .rd_shdw_rsp_q_in = qla4_83xx_rd_shdw_rsp_q_in,
3742 .get_sys_info = qla4_8xxx_get_sys_info,
3743 .rd_reg_direct = qla4_83xx_rd_reg,
3744 .wr_reg_direct = qla4_83xx_wr_reg,
3745 .rd_reg_indirect = qla4_83xx_rd_reg_indirect,
3746 .wr_reg_indirect = qla4_83xx_wr_reg_indirect,
3747 .idc_lock = qla4_83xx_drv_lock,
3748 .idc_unlock = qla4_83xx_drv_unlock,
3749 .rom_lock_recovery = qla4_83xx_rom_lock_recovery,
3750 .queue_mailbox_command = qla4_83xx_queue_mbox_cmd,
3751 .process_mailbox_interrupt = qla4_83xx_process_mbox_intr,
3752};
3753
3754uint16_t qla4xxx_rd_shdw_req_q_out(struct scsi_qla_host *ha)
3755{
3756 return (uint16_t)le32_to_cpu(ha->shadow_regs->req_q_out);
3757}
3758
3759uint16_t qla4_82xx_rd_shdw_req_q_out(struct scsi_qla_host *ha)
3760{
3761 return (uint16_t)le32_to_cpu(readl(&ha->qla4_82xx_reg->req_q_out));
3762}
3763
3764uint16_t qla4_83xx_rd_shdw_req_q_out(struct scsi_qla_host *ha)
3765{
3766 return (uint16_t)le32_to_cpu(readl(&ha->qla4_83xx_reg->req_q_out));
3767}
3768
3769uint16_t qla4xxx_rd_shdw_rsp_q_in(struct scsi_qla_host *ha)
3770{
3771 return (uint16_t)le32_to_cpu(ha->shadow_regs->rsp_q_in);
3772}
3773
3774uint16_t qla4_82xx_rd_shdw_rsp_q_in(struct scsi_qla_host *ha)
3775{
3776 return (uint16_t)le32_to_cpu(readl(&ha->qla4_82xx_reg->rsp_q_in));
3777}
3778
3779uint16_t qla4_83xx_rd_shdw_rsp_q_in(struct scsi_qla_host *ha)
3780{
3781 return (uint16_t)le32_to_cpu(readl(&ha->qla4_83xx_reg->rsp_q_in));
3782}
3783
3784static ssize_t qla4xxx_show_boot_eth_info(void *data, int type, char *buf)
3785{
3786 struct scsi_qla_host *ha = data;
3787 char *str = buf;
3788 int rc;
3789
3790 switch (type) {
3791 case ISCSI_BOOT_ETH_FLAGS:
3792 rc = sprintf(str, "%d\n", SYSFS_FLAG_FW_SEL_BOOT);
3793 break;
3794 case ISCSI_BOOT_ETH_INDEX:
3795 rc = sprintf(str, "0\n");
3796 break;
3797 case ISCSI_BOOT_ETH_MAC:
3798 rc = sysfs_format_mac(str, ha->my_mac,
3799 MAC_ADDR_LEN);
3800 break;
3801 default:
3802 rc = -ENOSYS;
3803 break;
3804 }
3805 return rc;
3806}
3807
3808static umode_t qla4xxx_eth_get_attr_visibility(void *data, int type)
3809{
3810 int rc;
3811
3812 switch (type) {
3813 case ISCSI_BOOT_ETH_FLAGS:
3814 case ISCSI_BOOT_ETH_MAC:
3815 case ISCSI_BOOT_ETH_INDEX:
3816 rc = S_IRUGO;
3817 break;
3818 default:
3819 rc = 0;
3820 break;
3821 }
3822 return rc;
3823}
3824
3825static ssize_t qla4xxx_show_boot_ini_info(void *data, int type, char *buf)
3826{
3827 struct scsi_qla_host *ha = data;
3828 char *str = buf;
3829 int rc;
3830
3831 switch (type) {
3832 case ISCSI_BOOT_INI_INITIATOR_NAME:
3833 rc = sprintf(str, "%s\n", ha->name_string);
3834 break;
3835 default:
3836 rc = -ENOSYS;
3837 break;
3838 }
3839 return rc;
3840}
3841
3842static umode_t qla4xxx_ini_get_attr_visibility(void *data, int type)
3843{
3844 int rc;
3845
3846 switch (type) {
3847 case ISCSI_BOOT_INI_INITIATOR_NAME:
3848 rc = S_IRUGO;
3849 break;
3850 default:
3851 rc = 0;
3852 break;
3853 }
3854 return rc;
3855}
3856
3857static ssize_t
3858qla4xxx_show_boot_tgt_info(struct ql4_boot_session_info *boot_sess, int type,
3859 char *buf)
3860{
3861 struct ql4_conn_info *boot_conn = &boot_sess->conn_list[0];
3862 char *str = buf;
3863 int rc;
3864
3865 switch (type) {
3866 case ISCSI_BOOT_TGT_NAME:
3867 rc = sprintf(buf, "%s\n", (char *)&boot_sess->target_name);
3868 break;
3869 case ISCSI_BOOT_TGT_IP_ADDR:
3870 if (boot_sess->conn_list[0].dest_ipaddr.ip_type == 0x1)
3871 rc = sprintf(buf, "%pI4\n",
3872 &boot_conn->dest_ipaddr.ip_address);
3873 else
3874 rc = sprintf(str, "%pI6\n",
3875 &boot_conn->dest_ipaddr.ip_address);
3876 break;
3877 case ISCSI_BOOT_TGT_PORT:
3878 rc = sprintf(str, "%d\n", boot_conn->dest_port);
3879 break;
3880 case ISCSI_BOOT_TGT_CHAP_NAME:
3881 rc = sprintf(str, "%.*s\n",
3882 boot_conn->chap.target_chap_name_length,
3883 (char *)&boot_conn->chap.target_chap_name);
3884 break;
3885 case ISCSI_BOOT_TGT_CHAP_SECRET:
3886 rc = sprintf(str, "%.*s\n",
3887 boot_conn->chap.target_secret_length,
3888 (char *)&boot_conn->chap.target_secret);
3889 break;
3890 case ISCSI_BOOT_TGT_REV_CHAP_NAME:
3891 rc = sprintf(str, "%.*s\n",
3892 boot_conn->chap.intr_chap_name_length,
3893 (char *)&boot_conn->chap.intr_chap_name);
3894 break;
3895 case ISCSI_BOOT_TGT_REV_CHAP_SECRET:
3896 rc = sprintf(str, "%.*s\n",
3897 boot_conn->chap.intr_secret_length,
3898 (char *)&boot_conn->chap.intr_secret);
3899 break;
3900 case ISCSI_BOOT_TGT_FLAGS:
3901 rc = sprintf(str, "%d\n", SYSFS_FLAG_FW_SEL_BOOT);
3902 break;
3903 case ISCSI_BOOT_TGT_NIC_ASSOC:
3904 rc = sprintf(str, "0\n");
3905 break;
3906 default:
3907 rc = -ENOSYS;
3908 break;
3909 }
3910 return rc;
3911}
3912
3913static ssize_t qla4xxx_show_boot_tgt_pri_info(void *data, int type, char *buf)
3914{
3915 struct scsi_qla_host *ha = data;
3916 struct ql4_boot_session_info *boot_sess = &(ha->boot_tgt.boot_pri_sess);
3917
3918 return qla4xxx_show_boot_tgt_info(boot_sess, type, buf);
3919}
3920
3921static ssize_t qla4xxx_show_boot_tgt_sec_info(void *data, int type, char *buf)
3922{
3923 struct scsi_qla_host *ha = data;
3924 struct ql4_boot_session_info *boot_sess = &(ha->boot_tgt.boot_sec_sess);
3925
3926 return qla4xxx_show_boot_tgt_info(boot_sess, type, buf);
3927}
3928
3929static umode_t qla4xxx_tgt_get_attr_visibility(void *data, int type)
3930{
3931 int rc;
3932
3933 switch (type) {
3934 case ISCSI_BOOT_TGT_NAME:
3935 case ISCSI_BOOT_TGT_IP_ADDR:
3936 case ISCSI_BOOT_TGT_PORT:
3937 case ISCSI_BOOT_TGT_CHAP_NAME:
3938 case ISCSI_BOOT_TGT_CHAP_SECRET:
3939 case ISCSI_BOOT_TGT_REV_CHAP_NAME:
3940 case ISCSI_BOOT_TGT_REV_CHAP_SECRET:
3941 case ISCSI_BOOT_TGT_NIC_ASSOC:
3942 case ISCSI_BOOT_TGT_FLAGS:
3943 rc = S_IRUGO;
3944 break;
3945 default:
3946 rc = 0;
3947 break;
3948 }
3949 return rc;
3950}
3951
3952static void qla4xxx_boot_release(void *data)
3953{
3954 struct scsi_qla_host *ha = data;
3955
3956 scsi_host_put(ha->host);
3957}
3958
3959static int get_fw_boot_info(struct scsi_qla_host *ha, uint16_t ddb_index[])
3960{
3961 dma_addr_t buf_dma;
3962 uint32_t addr, pri_addr, sec_addr;
3963 uint32_t offset;
3964 uint16_t func_num;
3965 uint8_t val;
3966 uint8_t *buf = NULL;
3967 size_t size = 13 * sizeof(uint8_t);
3968 int ret = QLA_SUCCESS;
3969
3970 func_num = PCI_FUNC(ha->pdev->devfn);
3971
3972 ql4_printk(KERN_INFO, ha, "%s: Get FW boot info for 0x%x func %d\n",
3973 __func__, ha->pdev->device, func_num);
3974
3975 if (is_qla40XX(ha)) {
3976 if (func_num == 1) {
3977 addr = NVRAM_PORT0_BOOT_MODE;
3978 pri_addr = NVRAM_PORT0_BOOT_PRI_TGT;
3979 sec_addr = NVRAM_PORT0_BOOT_SEC_TGT;
3980 } else if (func_num == 3) {
3981 addr = NVRAM_PORT1_BOOT_MODE;
3982 pri_addr = NVRAM_PORT1_BOOT_PRI_TGT;
3983 sec_addr = NVRAM_PORT1_BOOT_SEC_TGT;
3984 } else {
3985 ret = QLA_ERROR;
3986 goto exit_boot_info;
3987 }
3988
3989
3990 val = rd_nvram_byte(ha, addr);
3991 if (!(val & 0x07)) {
3992 DEBUG2(ql4_printk(KERN_INFO, ha, "%s: Adapter boot "
3993 "options : 0x%x\n", __func__, val));
3994 ret = QLA_ERROR;
3995 goto exit_boot_info;
3996 }
3997
3998
3999 val = rd_nvram_byte(ha, pri_addr);
4000 if (val & BIT_7)
4001 ddb_index[0] = (val & 0x7f);
4002
4003
4004 val = rd_nvram_byte(ha, sec_addr);
4005 if (val & BIT_7)
4006 ddb_index[1] = (val & 0x7f);
4007
4008 } else if (is_qla8022(ha)) {
4009 buf = dma_alloc_coherent(&ha->pdev->dev, size,
4010 &buf_dma, GFP_KERNEL);
4011 if (!buf) {
4012 DEBUG2(ql4_printk(KERN_ERR, ha,
4013 "%s: Unable to allocate dma buffer\n",
4014 __func__));
4015 ret = QLA_ERROR;
4016 goto exit_boot_info;
4017 }
4018
4019 if (ha->port_num == 0)
4020 offset = BOOT_PARAM_OFFSET_PORT0;
4021 else if (ha->port_num == 1)
4022 offset = BOOT_PARAM_OFFSET_PORT1;
4023 else {
4024 ret = QLA_ERROR;
4025 goto exit_boot_info_free;
4026 }
4027 addr = FLASH_RAW_ACCESS_ADDR + (ha->hw.flt_iscsi_param * 4) +
4028 offset;
4029 if (qla4xxx_get_flash(ha, buf_dma, addr,
4030 13 * sizeof(uint8_t)) != QLA_SUCCESS) {
4031 DEBUG2(ql4_printk(KERN_ERR, ha, "scsi%ld: %s: Get Flash"
4032 " failed\n", ha->host_no, __func__));
4033 ret = QLA_ERROR;
4034 goto exit_boot_info_free;
4035 }
4036
4037 if (!(buf[1] & 0x07)) {
4038 DEBUG2(ql4_printk(KERN_INFO, ha, "Firmware boot options"
4039 " : 0x%x\n", buf[1]));
4040 ret = QLA_ERROR;
4041 goto exit_boot_info_free;
4042 }
4043
4044
4045 if (buf[2] & BIT_7)
4046 ddb_index[0] = buf[2] & 0x7f;
4047
4048
4049 if (buf[11] & BIT_7)
4050 ddb_index[1] = buf[11] & 0x7f;
4051 } else {
4052 ret = QLA_ERROR;
4053 goto exit_boot_info;
4054 }
4055
4056 DEBUG2(ql4_printk(KERN_INFO, ha, "%s: Primary target ID %d, Secondary"
4057 " target ID %d\n", __func__, ddb_index[0],
4058 ddb_index[1]));
4059
4060exit_boot_info_free:
4061 dma_free_coherent(&ha->pdev->dev, size, buf, buf_dma);
4062exit_boot_info:
4063 ha->pri_ddb_idx = ddb_index[0];
4064 ha->sec_ddb_idx = ddb_index[1];
4065 return ret;
4066}
4067
4068
4069
4070
4071
4072
4073
4074
4075
4076
4077
4078
4079static int qla4xxx_get_bidi_chap(struct scsi_qla_host *ha, char *username,
4080 char *password)
4081{
4082 int i, ret = -EINVAL;
4083 int max_chap_entries = 0;
4084 struct ql4_chap_table *chap_table;
4085
4086 if (is_qla8022(ha))
4087 max_chap_entries = (ha->hw.flt_chap_size / 2) /
4088 sizeof(struct ql4_chap_table);
4089 else
4090 max_chap_entries = MAX_CHAP_ENTRIES_40XX;
4091
4092 if (!ha->chap_list) {
4093 ql4_printk(KERN_ERR, ha, "Do not have CHAP table cache\n");
4094 return ret;
4095 }
4096
4097 mutex_lock(&ha->chap_sem);
4098 for (i = 0; i < max_chap_entries; i++) {
4099 chap_table = (struct ql4_chap_table *)ha->chap_list + i;
4100 if (chap_table->cookie !=
4101 __constant_cpu_to_le16(CHAP_VALID_COOKIE)) {
4102 continue;
4103 }
4104
4105 if (chap_table->flags & BIT_7)
4106 continue;
4107
4108 if (!(chap_table->flags & BIT_6))
4109 continue;
4110
4111 strncpy(password, chap_table->secret, QL4_CHAP_MAX_SECRET_LEN);
4112 strncpy(username, chap_table->name, QL4_CHAP_MAX_NAME_LEN);
4113 ret = 0;
4114 break;
4115 }
4116 mutex_unlock(&ha->chap_sem);
4117
4118 return ret;
4119}
4120
4121
4122static int qla4xxx_get_boot_target(struct scsi_qla_host *ha,
4123 struct ql4_boot_session_info *boot_sess,
4124 uint16_t ddb_index)
4125{
4126 struct ql4_conn_info *boot_conn = &boot_sess->conn_list[0];
4127 struct dev_db_entry *fw_ddb_entry;
4128 dma_addr_t fw_ddb_entry_dma;
4129 uint16_t idx;
4130 uint16_t options;
4131 int ret = QLA_SUCCESS;
4132
4133 fw_ddb_entry = dma_alloc_coherent(&ha->pdev->dev, sizeof(*fw_ddb_entry),
4134 &fw_ddb_entry_dma, GFP_KERNEL);
4135 if (!fw_ddb_entry) {
4136 DEBUG2(ql4_printk(KERN_ERR, ha,
4137 "%s: Unable to allocate dma buffer.\n",
4138 __func__));
4139 ret = QLA_ERROR;
4140 return ret;
4141 }
4142
4143 if (qla4xxx_bootdb_by_index(ha, fw_ddb_entry,
4144 fw_ddb_entry_dma, ddb_index)) {
4145 DEBUG2(ql4_printk(KERN_INFO, ha, "%s: No Flash DDB found at "
4146 "index [%d]\n", __func__, ddb_index));
4147 ret = QLA_ERROR;
4148 goto exit_boot_target;
4149 }
4150
4151
4152 memcpy(boot_sess->target_name, fw_ddb_entry->iscsi_name,
4153 min(sizeof(boot_sess->target_name),
4154 sizeof(fw_ddb_entry->iscsi_name)));
4155
4156 options = le16_to_cpu(fw_ddb_entry->options);
4157 if (options & DDB_OPT_IPV6_DEVICE) {
4158 memcpy(&boot_conn->dest_ipaddr.ip_address,
4159 &fw_ddb_entry->ip_addr[0], IPv6_ADDR_LEN);
4160 } else {
4161 boot_conn->dest_ipaddr.ip_type = 0x1;
4162 memcpy(&boot_conn->dest_ipaddr.ip_address,
4163 &fw_ddb_entry->ip_addr[0], IP_ADDR_LEN);
4164 }
4165
4166 boot_conn->dest_port = le16_to_cpu(fw_ddb_entry->port);
4167
4168
4169 idx = __le16_to_cpu(fw_ddb_entry->chap_tbl_idx);
4170
4171 if (BIT_7 & le16_to_cpu(fw_ddb_entry->iscsi_options)) {
4172
4173 DEBUG2(ql4_printk(KERN_INFO, ha, "Setting chap\n"));
4174
4175 ret = qla4xxx_get_chap(ha, (char *)&boot_conn->chap.
4176 target_chap_name,
4177 (char *)&boot_conn->chap.target_secret,
4178 idx);
4179 if (ret) {
4180 ql4_printk(KERN_ERR, ha, "Failed to set chap\n");
4181 ret = QLA_ERROR;
4182 goto exit_boot_target;
4183 }
4184
4185 boot_conn->chap.target_chap_name_length = QL4_CHAP_MAX_NAME_LEN;
4186 boot_conn->chap.target_secret_length = QL4_CHAP_MAX_SECRET_LEN;
4187 }
4188
4189 if (BIT_4 & le16_to_cpu(fw_ddb_entry->iscsi_options)) {
4190
4191 DEBUG2(ql4_printk(KERN_INFO, ha, "Setting BIDI chap\n"));
4192
4193 ret = qla4xxx_get_bidi_chap(ha,
4194 (char *)&boot_conn->chap.intr_chap_name,
4195 (char *)&boot_conn->chap.intr_secret);
4196
4197 if (ret) {
4198 ql4_printk(KERN_ERR, ha, "Failed to set BIDI chap\n");
4199 ret = QLA_ERROR;
4200 goto exit_boot_target;
4201 }
4202
4203 boot_conn->chap.intr_chap_name_length = QL4_CHAP_MAX_NAME_LEN;
4204 boot_conn->chap.intr_secret_length = QL4_CHAP_MAX_SECRET_LEN;
4205 }
4206
4207exit_boot_target:
4208 dma_free_coherent(&ha->pdev->dev, sizeof(*fw_ddb_entry),
4209 fw_ddb_entry, fw_ddb_entry_dma);
4210 return ret;
4211}
4212
4213static int qla4xxx_get_boot_info(struct scsi_qla_host *ha)
4214{
4215 uint16_t ddb_index[2];
4216 int ret = QLA_ERROR;
4217 int rval;
4218
4219 memset(ddb_index, 0, sizeof(ddb_index));
4220 ddb_index[0] = 0xffff;
4221 ddb_index[1] = 0xffff;
4222 ret = get_fw_boot_info(ha, ddb_index);
4223 if (ret != QLA_SUCCESS) {
4224 DEBUG2(ql4_printk(KERN_INFO, ha,
4225 "%s: No boot target configured.\n", __func__));
4226 return ret;
4227 }
4228
4229 if (ql4xdisablesysfsboot)
4230 return QLA_SUCCESS;
4231
4232 if (ddb_index[0] == 0xffff)
4233 goto sec_target;
4234
4235 rval = qla4xxx_get_boot_target(ha, &(ha->boot_tgt.boot_pri_sess),
4236 ddb_index[0]);
4237 if (rval != QLA_SUCCESS) {
4238 DEBUG2(ql4_printk(KERN_INFO, ha, "%s: Primary boot target not "
4239 "configured\n", __func__));
4240 } else
4241 ret = QLA_SUCCESS;
4242
4243sec_target:
4244 if (ddb_index[1] == 0xffff)
4245 goto exit_get_boot_info;
4246
4247 rval = qla4xxx_get_boot_target(ha, &(ha->boot_tgt.boot_sec_sess),
4248 ddb_index[1]);
4249 if (rval != QLA_SUCCESS) {
4250 DEBUG2(ql4_printk(KERN_INFO, ha, "%s: Secondary boot target not"
4251 " configured\n", __func__));
4252 } else
4253 ret = QLA_SUCCESS;
4254
4255exit_get_boot_info:
4256 return ret;
4257}
4258
4259static int qla4xxx_setup_boot_info(struct scsi_qla_host *ha)
4260{
4261 struct iscsi_boot_kobj *boot_kobj;
4262
4263 if (qla4xxx_get_boot_info(ha) != QLA_SUCCESS)
4264 return QLA_ERROR;
4265
4266 if (ql4xdisablesysfsboot) {
4267 ql4_printk(KERN_INFO, ha,
4268 "%s: syfsboot disabled - driver will trigger login "
4269 "and publish session for discovery .\n", __func__);
4270 return QLA_SUCCESS;
4271 }
4272
4273
4274 ha->boot_kset = iscsi_boot_create_host_kset(ha->host->host_no);
4275 if (!ha->boot_kset)
4276 goto kset_free;
4277
4278 if (!scsi_host_get(ha->host))
4279 goto kset_free;
4280 boot_kobj = iscsi_boot_create_target(ha->boot_kset, 0, ha,
4281 qla4xxx_show_boot_tgt_pri_info,
4282 qla4xxx_tgt_get_attr_visibility,
4283 qla4xxx_boot_release);
4284 if (!boot_kobj)
4285 goto put_host;
4286
4287 if (!scsi_host_get(ha->host))
4288 goto kset_free;
4289 boot_kobj = iscsi_boot_create_target(ha->boot_kset, 1, ha,
4290 qla4xxx_show_boot_tgt_sec_info,
4291 qla4xxx_tgt_get_attr_visibility,
4292 qla4xxx_boot_release);
4293 if (!boot_kobj)
4294 goto put_host;
4295
4296 if (!scsi_host_get(ha->host))
4297 goto kset_free;
4298 boot_kobj = iscsi_boot_create_initiator(ha->boot_kset, 0, ha,
4299 qla4xxx_show_boot_ini_info,
4300 qla4xxx_ini_get_attr_visibility,
4301 qla4xxx_boot_release);
4302 if (!boot_kobj)
4303 goto put_host;
4304
4305 if (!scsi_host_get(ha->host))
4306 goto kset_free;
4307 boot_kobj = iscsi_boot_create_ethernet(ha->boot_kset, 0, ha,
4308 qla4xxx_show_boot_eth_info,
4309 qla4xxx_eth_get_attr_visibility,
4310 qla4xxx_boot_release);
4311 if (!boot_kobj)
4312 goto put_host;
4313
4314 return QLA_SUCCESS;
4315
4316put_host:
4317 scsi_host_put(ha->host);
4318kset_free:
4319 iscsi_boot_destroy_kset(ha->boot_kset);
4320 return -ENOMEM;
4321}
4322
4323
4324
4325
4326
4327
4328
4329
4330
4331
4332
4333
4334static void qla4xxx_create_chap_list(struct scsi_qla_host *ha)
4335{
4336 int rval = 0;
4337 uint8_t *chap_flash_data = NULL;
4338 uint32_t offset;
4339 dma_addr_t chap_dma;
4340 uint32_t chap_size = 0;
4341
4342 if (is_qla40XX(ha))
4343 chap_size = MAX_CHAP_ENTRIES_40XX *
4344 sizeof(struct ql4_chap_table);
4345 else
4346
4347
4348 chap_size = ha->hw.flt_chap_size / 2;
4349
4350 chap_flash_data = dma_alloc_coherent(&ha->pdev->dev, chap_size,
4351 &chap_dma, GFP_KERNEL);
4352 if (!chap_flash_data) {
4353 ql4_printk(KERN_ERR, ha, "No memory for chap_flash_data\n");
4354 return;
4355 }
4356 if (is_qla40XX(ha))
4357 offset = FLASH_CHAP_OFFSET;
4358 else {
4359 offset = FLASH_RAW_ACCESS_ADDR + (ha->hw.flt_region_chap << 2);
4360 if (ha->port_num == 1)
4361 offset += chap_size;
4362 }
4363
4364 rval = qla4xxx_get_flash(ha, chap_dma, offset, chap_size);
4365 if (rval != QLA_SUCCESS)
4366 goto exit_chap_list;
4367
4368 if (ha->chap_list == NULL)
4369 ha->chap_list = vmalloc(chap_size);
4370 if (ha->chap_list == NULL) {
4371 ql4_printk(KERN_ERR, ha, "No memory for ha->chap_list\n");
4372 goto exit_chap_list;
4373 }
4374
4375 memcpy(ha->chap_list, chap_flash_data, chap_size);
4376
4377exit_chap_list:
4378 dma_free_coherent(&ha->pdev->dev, chap_size,
4379 chap_flash_data, chap_dma);
4380}
4381
4382static void qla4xxx_get_param_ddb(struct ddb_entry *ddb_entry,
4383 struct ql4_tuple_ddb *tddb)
4384{
4385 struct scsi_qla_host *ha;
4386 struct iscsi_cls_session *cls_sess;
4387 struct iscsi_cls_conn *cls_conn;
4388 struct iscsi_session *sess;
4389 struct iscsi_conn *conn;
4390
4391 DEBUG2(printk(KERN_INFO "Func: %s\n", __func__));
4392 ha = ddb_entry->ha;
4393 cls_sess = ddb_entry->sess;
4394 sess = cls_sess->dd_data;
4395 cls_conn = ddb_entry->conn;
4396 conn = cls_conn->dd_data;
4397
4398 tddb->tpgt = sess->tpgt;
4399 tddb->port = conn->persistent_port;
4400 strncpy(tddb->iscsi_name, sess->targetname, ISCSI_NAME_SIZE);
4401 strncpy(tddb->ip_addr, conn->persistent_address, DDB_IPADDR_LEN);
4402}
4403
4404static void qla4xxx_convert_param_ddb(struct dev_db_entry *fw_ddb_entry,
4405 struct ql4_tuple_ddb *tddb,
4406 uint8_t *flash_isid)
4407{
4408 uint16_t options = 0;
4409
4410 tddb->tpgt = le32_to_cpu(fw_ddb_entry->tgt_portal_grp);
4411 memcpy(&tddb->iscsi_name[0], &fw_ddb_entry->iscsi_name[0],
4412 min(sizeof(tddb->iscsi_name), sizeof(fw_ddb_entry->iscsi_name)));
4413
4414 options = le16_to_cpu(fw_ddb_entry->options);
4415 if (options & DDB_OPT_IPV6_DEVICE)
4416 sprintf(tddb->ip_addr, "%pI6", fw_ddb_entry->ip_addr);
4417 else
4418 sprintf(tddb->ip_addr, "%pI4", fw_ddb_entry->ip_addr);
4419
4420 tddb->port = le16_to_cpu(fw_ddb_entry->port);
4421
4422 if (flash_isid == NULL)
4423 memcpy(&tddb->isid[0], &fw_ddb_entry->isid[0],
4424 sizeof(tddb->isid));
4425 else
4426 memcpy(&tddb->isid[0], &flash_isid[0], sizeof(tddb->isid));
4427}
4428
4429static int qla4xxx_compare_tuple_ddb(struct scsi_qla_host *ha,
4430 struct ql4_tuple_ddb *old_tddb,
4431 struct ql4_tuple_ddb *new_tddb,
4432 uint8_t is_isid_compare)
4433{
4434 if (strcmp(old_tddb->iscsi_name, new_tddb->iscsi_name))
4435 return QLA_ERROR;
4436
4437 if (strcmp(old_tddb->ip_addr, new_tddb->ip_addr))
4438 return QLA_ERROR;
4439
4440 if (old_tddb->port != new_tddb->port)
4441 return QLA_ERROR;
4442
4443
4444
4445
4446
4447
4448
4449 if (is_isid_compare) {
4450 DEBUG2(ql4_printk(KERN_INFO, ha, "%s: old ISID [%02x%02x%02x"
4451 "%02x%02x%02x] New ISID [%02x%02x%02x%02x%02x%02x]\n",
4452 __func__, old_tddb->isid[5], old_tddb->isid[4],
4453 old_tddb->isid[3], old_tddb->isid[2], old_tddb->isid[1],
4454 old_tddb->isid[0], new_tddb->isid[5], new_tddb->isid[4],
4455 new_tddb->isid[3], new_tddb->isid[2], new_tddb->isid[1],
4456 new_tddb->isid[0]));
4457
4458 if (memcmp(&old_tddb->isid[0], &new_tddb->isid[0],
4459 sizeof(old_tddb->isid)))
4460 return QLA_ERROR;
4461 }
4462
4463 DEBUG2(ql4_printk(KERN_INFO, ha,
4464 "Match Found, fw[%d,%d,%s,%s], [%d,%d,%s,%s]",
4465 old_tddb->port, old_tddb->tpgt, old_tddb->ip_addr,
4466 old_tddb->iscsi_name, new_tddb->port, new_tddb->tpgt,
4467 new_tddb->ip_addr, new_tddb->iscsi_name));
4468
4469 return QLA_SUCCESS;
4470}
4471
4472static int qla4xxx_is_session_exists(struct scsi_qla_host *ha,
4473 struct dev_db_entry *fw_ddb_entry)
4474{
4475 struct ddb_entry *ddb_entry;
4476 struct ql4_tuple_ddb *fw_tddb = NULL;
4477 struct ql4_tuple_ddb *tmp_tddb = NULL;
4478 int idx;
4479 int ret = QLA_ERROR;
4480
4481 fw_tddb = vzalloc(sizeof(*fw_tddb));
4482 if (!fw_tddb) {
4483 DEBUG2(ql4_printk(KERN_WARNING, ha,
4484 "Memory Allocation failed.\n"));
4485 ret = QLA_SUCCESS;
4486 goto exit_check;
4487 }
4488
4489 tmp_tddb = vzalloc(sizeof(*tmp_tddb));
4490 if (!tmp_tddb) {
4491 DEBUG2(ql4_printk(KERN_WARNING, ha,
4492 "Memory Allocation failed.\n"));
4493 ret = QLA_SUCCESS;
4494 goto exit_check;
4495 }
4496
4497 qla4xxx_convert_param_ddb(fw_ddb_entry, fw_tddb, NULL);
4498
4499 for (idx = 0; idx < MAX_DDB_ENTRIES; idx++) {
4500 ddb_entry = qla4xxx_lookup_ddb_by_fw_index(ha, idx);
4501 if (ddb_entry == NULL)
4502 continue;
4503
4504 qla4xxx_get_param_ddb(ddb_entry, tmp_tddb);
4505 if (!qla4xxx_compare_tuple_ddb(ha, fw_tddb, tmp_tddb, false)) {
4506 ret = QLA_SUCCESS;
4507 goto exit_check;
4508 }
4509 }
4510
4511exit_check:
4512 if (fw_tddb)
4513 vfree(fw_tddb);
4514 if (tmp_tddb)
4515 vfree(tmp_tddb);
4516 return ret;
4517}
4518
4519
4520
4521
4522
4523
4524
4525
4526
4527static int qla4xxx_check_existing_isid(struct list_head *list_nt, uint8_t *isid)
4528{
4529 struct qla_ddb_index *nt_ddb_idx, *nt_ddb_idx_tmp;
4530 struct dev_db_entry *fw_ddb_entry;
4531
4532 list_for_each_entry_safe(nt_ddb_idx, nt_ddb_idx_tmp, list_nt, list) {
4533 fw_ddb_entry = &nt_ddb_idx->fw_ddb;
4534
4535 if (memcmp(&fw_ddb_entry->isid[0], &isid[0],
4536 sizeof(nt_ddb_idx->fw_ddb.isid)) == 0) {
4537 return QLA_SUCCESS;
4538 }
4539 }
4540 return QLA_ERROR;
4541}
4542
4543
4544
4545
4546
4547
4548
4549
4550
4551
4552
4553static int qla4xxx_update_isid(struct scsi_qla_host *ha,
4554 struct list_head *list_nt,
4555 struct dev_db_entry *fw_ddb_entry)
4556{
4557 uint8_t base_value, i;
4558
4559 base_value = fw_ddb_entry->isid[1] & 0x1f;
4560 for (i = 0; i < 8; i++) {
4561 fw_ddb_entry->isid[1] = (base_value | (i << 5));
4562 if (qla4xxx_check_existing_isid(list_nt, fw_ddb_entry->isid))
4563 break;
4564 }
4565
4566 if (!qla4xxx_check_existing_isid(list_nt, fw_ddb_entry->isid))
4567 return QLA_ERROR;
4568
4569 return QLA_SUCCESS;
4570}
4571
4572
4573
4574
4575
4576
4577
4578
4579
4580
4581static int qla4xxx_should_update_isid(struct scsi_qla_host *ha,
4582 struct ql4_tuple_ddb *old_tddb,
4583 struct ql4_tuple_ddb *new_tddb)
4584{
4585 if (strcmp(old_tddb->ip_addr, new_tddb->ip_addr) == 0) {
4586
4587 if (old_tddb->port == new_tddb->port)
4588 return QLA_ERROR;
4589 }
4590
4591 if (strcmp(old_tddb->iscsi_name, new_tddb->iscsi_name))
4592
4593 return QLA_ERROR;
4594
4595 if (memcmp(&old_tddb->isid[0], &new_tddb->isid[0],
4596 sizeof(old_tddb->isid)))
4597
4598 return QLA_ERROR;
4599
4600 return QLA_SUCCESS;
4601}
4602
4603
4604
4605
4606
4607
4608
4609
4610
4611
4612
4613
4614
4615static int qla4xxx_is_flash_ddb_exists(struct scsi_qla_host *ha,
4616 struct list_head *list_nt,
4617 struct dev_db_entry *fw_ddb_entry)
4618{
4619 struct qla_ddb_index *nt_ddb_idx, *nt_ddb_idx_tmp;
4620 struct ql4_tuple_ddb *fw_tddb = NULL;
4621 struct ql4_tuple_ddb *tmp_tddb = NULL;
4622 int rval, ret = QLA_ERROR;
4623
4624 fw_tddb = vzalloc(sizeof(*fw_tddb));
4625 if (!fw_tddb) {
4626 DEBUG2(ql4_printk(KERN_WARNING, ha,
4627 "Memory Allocation failed.\n"));
4628 ret = QLA_SUCCESS;
4629 goto exit_check;
4630 }
4631
4632 tmp_tddb = vzalloc(sizeof(*tmp_tddb));
4633 if (!tmp_tddb) {
4634 DEBUG2(ql4_printk(KERN_WARNING, ha,
4635 "Memory Allocation failed.\n"));
4636 ret = QLA_SUCCESS;
4637 goto exit_check;
4638 }
4639
4640 qla4xxx_convert_param_ddb(fw_ddb_entry, fw_tddb, NULL);
4641
4642 list_for_each_entry_safe(nt_ddb_idx, nt_ddb_idx_tmp, list_nt, list) {
4643 qla4xxx_convert_param_ddb(&nt_ddb_idx->fw_ddb, tmp_tddb,
4644 nt_ddb_idx->flash_isid);
4645 ret = qla4xxx_compare_tuple_ddb(ha, fw_tddb, tmp_tddb, true);
4646
4647 if (ret == QLA_SUCCESS)
4648 goto exit_check;
4649 }
4650
4651 list_for_each_entry_safe(nt_ddb_idx, nt_ddb_idx_tmp, list_nt, list) {
4652 qla4xxx_convert_param_ddb(&nt_ddb_idx->fw_ddb, tmp_tddb, NULL);
4653
4654 ret = qla4xxx_should_update_isid(ha, tmp_tddb, fw_tddb);
4655 if (ret == QLA_SUCCESS) {
4656 rval = qla4xxx_update_isid(ha, list_nt, fw_ddb_entry);
4657 if (rval == QLA_SUCCESS)
4658 ret = QLA_ERROR;
4659 else
4660 ret = QLA_SUCCESS;
4661
4662 goto exit_check;
4663 }
4664 }
4665
4666exit_check:
4667 if (fw_tddb)
4668 vfree(fw_tddb);
4669 if (tmp_tddb)
4670 vfree(tmp_tddb);
4671 return ret;
4672}
4673
4674static void qla4xxx_free_ddb_list(struct list_head *list_ddb)
4675{
4676 struct qla_ddb_index *ddb_idx, *ddb_idx_tmp;
4677
4678 list_for_each_entry_safe(ddb_idx, ddb_idx_tmp, list_ddb, list) {
4679 list_del_init(&ddb_idx->list);
4680 vfree(ddb_idx);
4681 }
4682}
4683
4684static struct iscsi_endpoint *qla4xxx_get_ep_fwdb(struct scsi_qla_host *ha,
4685 struct dev_db_entry *fw_ddb_entry)
4686{
4687 struct iscsi_endpoint *ep;
4688 struct sockaddr_in *addr;
4689 struct sockaddr_in6 *addr6;
4690 struct sockaddr *t_addr;
4691 struct sockaddr_storage *dst_addr;
4692 char *ip;
4693
4694
4695 dst_addr = vmalloc(sizeof(*dst_addr));
4696 if (!dst_addr)
4697 return NULL;
4698
4699 if (fw_ddb_entry->options & DDB_OPT_IPV6_DEVICE) {
4700 t_addr = (struct sockaddr *)dst_addr;
4701 t_addr->sa_family = AF_INET6;
4702 addr6 = (struct sockaddr_in6 *)dst_addr;
4703 ip = (char *)&addr6->sin6_addr;
4704 memcpy(ip, fw_ddb_entry->ip_addr, IPv6_ADDR_LEN);
4705 addr6->sin6_port = htons(le16_to_cpu(fw_ddb_entry->port));
4706
4707 } else {
4708 t_addr = (struct sockaddr *)dst_addr;
4709 t_addr->sa_family = AF_INET;
4710 addr = (struct sockaddr_in *)dst_addr;
4711 ip = (char *)&addr->sin_addr;
4712 memcpy(ip, fw_ddb_entry->ip_addr, IP_ADDR_LEN);
4713 addr->sin_port = htons(le16_to_cpu(fw_ddb_entry->port));
4714 }
4715
4716 ep = qla4xxx_ep_connect(ha->host, (struct sockaddr *)dst_addr, 0);
4717 vfree(dst_addr);
4718 return ep;
4719}
4720
4721static int qla4xxx_verify_boot_idx(struct scsi_qla_host *ha, uint16_t idx)
4722{
4723 if (ql4xdisablesysfsboot)
4724 return QLA_SUCCESS;
4725 if (idx == ha->pri_ddb_idx || idx == ha->sec_ddb_idx)
4726 return QLA_ERROR;
4727 return QLA_SUCCESS;
4728}
4729
4730static void qla4xxx_setup_flash_ddb_entry(struct scsi_qla_host *ha,
4731 struct ddb_entry *ddb_entry,
4732 uint16_t idx)
4733{
4734 uint16_t def_timeout;
4735
4736 ddb_entry->ddb_type = FLASH_DDB;
4737 ddb_entry->fw_ddb_index = INVALID_ENTRY;
4738 ddb_entry->fw_ddb_device_state = DDB_DS_NO_CONNECTION_ACTIVE;
4739 ddb_entry->ha = ha;
4740 ddb_entry->unblock_sess = qla4xxx_unblock_flash_ddb;
4741 ddb_entry->ddb_change = qla4xxx_flash_ddb_change;
4742
4743 atomic_set(&ddb_entry->retry_relogin_timer, INVALID_ENTRY);
4744 atomic_set(&ddb_entry->relogin_timer, 0);
4745 atomic_set(&ddb_entry->relogin_retry_count, 0);
4746 def_timeout = le16_to_cpu(ddb_entry->fw_ddb_entry.def_timeout);
4747 ddb_entry->default_relogin_timeout =
4748 (def_timeout > LOGIN_TOV) && (def_timeout < LOGIN_TOV * 10) ?
4749 def_timeout : LOGIN_TOV;
4750 ddb_entry->default_time2wait =
4751 le16_to_cpu(ddb_entry->fw_ddb_entry.iscsi_def_time2wait);
4752
4753 if (ql4xdisablesysfsboot &&
4754 (idx == ha->pri_ddb_idx || idx == ha->sec_ddb_idx))
4755 set_bit(DF_BOOT_TGT, &ddb_entry->flags);
4756}
4757
4758static void qla4xxx_wait_for_ip_configuration(struct scsi_qla_host *ha)
4759{
4760 uint32_t idx = 0;
4761 uint32_t ip_idx[IP_ADDR_COUNT] = {0, 1, 2, 3};
4762 uint32_t sts[MBOX_REG_COUNT];
4763 uint32_t ip_state;
4764 unsigned long wtime;
4765 int ret;
4766
4767 wtime = jiffies + (HZ * IP_CONFIG_TOV);
4768 do {
4769 for (idx = 0; idx < IP_ADDR_COUNT; idx++) {
4770 if (ip_idx[idx] == -1)
4771 continue;
4772
4773 ret = qla4xxx_get_ip_state(ha, 0, ip_idx[idx], sts);
4774
4775 if (ret == QLA_ERROR) {
4776 ip_idx[idx] = -1;
4777 continue;
4778 }
4779
4780 ip_state = (sts[1] & IP_STATE_MASK) >> IP_STATE_SHIFT;
4781
4782 DEBUG2(ql4_printk(KERN_INFO, ha,
4783 "Waiting for IP state for idx = %d, state = 0x%x\n",
4784 ip_idx[idx], ip_state));
4785 if (ip_state == IP_ADDRSTATE_UNCONFIGURED ||
4786 ip_state == IP_ADDRSTATE_INVALID ||
4787 ip_state == IP_ADDRSTATE_PREFERRED ||
4788 ip_state == IP_ADDRSTATE_DEPRICATED ||
4789 ip_state == IP_ADDRSTATE_DISABLING)
4790 ip_idx[idx] = -1;
4791 }
4792
4793
4794 if ((ip_idx[0] == -1) &&
4795 (ip_idx[1] == -1) &&
4796 (ip_idx[2] == -1) &&
4797 (ip_idx[3] == -1))
4798 break;
4799 schedule_timeout_uninterruptible(HZ);
4800 } while (time_after(wtime, jiffies));
4801}
4802
4803static void qla4xxx_build_st_list(struct scsi_qla_host *ha,
4804 struct list_head *list_st)
4805{
4806 struct qla_ddb_index *st_ddb_idx;
4807 int max_ddbs;
4808 int fw_idx_size;
4809 struct dev_db_entry *fw_ddb_entry;
4810 dma_addr_t fw_ddb_dma;
4811 int ret;
4812 uint32_t idx = 0, next_idx = 0;
4813 uint32_t state = 0, conn_err = 0;
4814 uint16_t conn_id = 0;
4815
4816 fw_ddb_entry = dma_pool_alloc(ha->fw_ddb_dma_pool, GFP_KERNEL,
4817 &fw_ddb_dma);
4818 if (fw_ddb_entry == NULL) {
4819 DEBUG2(ql4_printk(KERN_ERR, ha, "Out of memory\n"));
4820 goto exit_st_list;
4821 }
4822
4823 max_ddbs = is_qla40XX(ha) ? MAX_DEV_DB_ENTRIES_40XX :
4824 MAX_DEV_DB_ENTRIES;
4825 fw_idx_size = sizeof(struct qla_ddb_index);
4826
4827 for (idx = 0; idx < max_ddbs; idx = next_idx) {
4828 ret = qla4xxx_get_fwddb_entry(ha, idx, fw_ddb_entry, fw_ddb_dma,
4829 NULL, &next_idx, &state,
4830 &conn_err, NULL, &conn_id);
4831 if (ret == QLA_ERROR)
4832 break;
4833
4834
4835 
