2 * QLogic iSCSI HBA Driver
3 * Copyright (c) 2003-2013 QLogic Corporation
5 * See LICENSE.qla4xxx for copyright and licensing details.
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>
13 #include <scsi/scsi_tcq.h>
14 #include <scsi/scsicam.h>
17 #include "ql4_version.h"
20 #include "ql4_inline.h"
26 static char qla4xxx_version_str[40];
29 * SRB allocation cache
31 static struct kmem_cache *srb_cachep;
34 * Module parameter information and variables
36 static int ql4xdisablesysfsboot = 1;
37 module_param(ql4xdisablesysfsboot, int, S_IRUGO | S_IWUSR);
38 MODULE_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)");
44 module_param(ql4xdontresethba, int, S_IRUGO | S_IWUSR);
45 MODULE_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");
50 int ql4xextended_error_logging;
51 module_param(ql4xextended_error_logging, int, S_IRUGO | S_IWUSR);
52 MODULE_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");
57 int ql4xenablemsix = 1;
58 module_param(ql4xenablemsix, int, S_IRUGO|S_IWUSR);
59 MODULE_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.");
65 #define QL4_DEF_QDEPTH 32
66 static int ql4xmaxqdepth = QL4_DEF_QDEPTH;
67 module_param(ql4xmaxqdepth, int, S_IRUGO | S_IWUSR);
68 MODULE_PARM_DESC(ql4xmaxqdepth,
69 " Maximum queue depth to report for target devices.\n"
72 static int ql4xqfulltracking = 1;
73 module_param(ql4xqfulltracking, int, S_IRUGO | S_IWUSR);
74 MODULE_PARM_DESC(ql4xqfulltracking,
75 " Enable or disable dynamic tracking and adjustment of\n"
76 "\t\t scsi device queue depth.\n"
78 "\t\t 1 - Enable. (Default)");
80 static int ql4xsess_recovery_tmo = QL4_SESS_RECOVERY_TMO;
81 module_param(ql4xsess_recovery_tmo, int, S_IRUGO);
82 MODULE_PARM_DESC(ql4xsess_recovery_tmo,
83 " Target Session Recovery Timeout.\n"
84 "\t\t Default: 120 sec.");
86 int ql4xmdcapmask = 0;
87 module_param(ql4xmdcapmask, int, S_IRUGO);
88 MODULE_PARM_DESC(ql4xmdcapmask,
89 " Set the Minidump driver capture mask level.\n"
90 "\t\t Default is 0 (firmware default capture mask)\n"
91 "\t\t Can be set to 0x3, 0x7, 0xF, 0x1F, 0x3F, 0x7F, 0xFF");
94 module_param(ql4xenablemd, int, S_IRUGO | S_IWUSR);
95 MODULE_PARM_DESC(ql4xenablemd,
96 " Set to enable minidump.\n"
97 "\t\t 0 - disable minidump\n"
98 "\t\t 1 - enable minidump (Default)");
100 static int qla4xxx_wait_for_hba_online(struct scsi_qla_host *ha);
102 * SCSI host template entry points
104 static void qla4xxx_config_dma_addressing(struct scsi_qla_host *ha);
107 * iSCSI template entry points
109 static int qla4xxx_session_get_param(struct iscsi_cls_session *cls_sess,
110 enum iscsi_param param, char *buf);
111 static int qla4xxx_conn_get_param(struct iscsi_cls_conn *conn,
112 enum iscsi_param param, char *buf);
113 static int qla4xxx_host_get_param(struct Scsi_Host *shost,
114 enum iscsi_host_param param, char *buf);
115 static int qla4xxx_iface_set_param(struct Scsi_Host *shost, void *data,
117 static int qla4xxx_get_iface_param(struct iscsi_iface *iface,
118 enum iscsi_param_type param_type,
119 int param, char *buf);
120 static enum blk_eh_timer_return qla4xxx_eh_cmd_timed_out(struct scsi_cmnd *sc);
121 static struct iscsi_endpoint *qla4xxx_ep_connect(struct Scsi_Host *shost,
122 struct sockaddr *dst_addr,
124 static int qla4xxx_ep_poll(struct iscsi_endpoint *ep, int timeout_ms);
125 static void qla4xxx_ep_disconnect(struct iscsi_endpoint *ep);
126 static int qla4xxx_get_ep_param(struct iscsi_endpoint *ep,
127 enum iscsi_param param, char *buf);
128 static int qla4xxx_conn_start(struct iscsi_cls_conn *conn);
129 static struct iscsi_cls_conn *
130 qla4xxx_conn_create(struct iscsi_cls_session *cls_sess, uint32_t conn_idx);
131 static 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);
134 static void qla4xxx_conn_destroy(struct iscsi_cls_conn *conn);
135 static struct iscsi_cls_session *
136 qla4xxx_session_create(struct iscsi_endpoint *ep, uint16_t cmds_max,
137 uint16_t qdepth, uint32_t initial_cmdsn);
138 static void qla4xxx_session_destroy(struct iscsi_cls_session *sess);
139 static void qla4xxx_task_work(struct work_struct *wdata);
140 static int qla4xxx_alloc_pdu(struct iscsi_task *, uint8_t);
141 static int qla4xxx_task_xmit(struct iscsi_task *);
142 static void qla4xxx_task_cleanup(struct iscsi_task *);
143 static void qla4xxx_fail_session(struct iscsi_cls_session *cls_session);
144 static void qla4xxx_conn_get_stats(struct iscsi_cls_conn *cls_conn,
145 struct iscsi_stats *stats);
146 static 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);
149 static int qla4xxx_get_chap_list(struct Scsi_Host *shost, uint16_t chap_tbl_idx,
150 uint32_t *num_entries, char *buf);
151 static int qla4xxx_delete_chap(struct Scsi_Host *shost, uint16_t chap_tbl_idx);
152 static int qla4xxx_set_chap_entry(struct Scsi_Host *shost, void *data,
154 static int qla4xxx_get_host_stats(struct Scsi_Host *shost, char *buf, int len);
157 * SCSI host template entry points
159 static int qla4xxx_queuecommand(struct Scsi_Host *h, struct scsi_cmnd *cmd);
160 static int qla4xxx_eh_abort(struct scsi_cmnd *cmd);
161 static int qla4xxx_eh_device_reset(struct scsi_cmnd *cmd);
162 static int qla4xxx_eh_target_reset(struct scsi_cmnd *cmd);
163 static int qla4xxx_eh_host_reset(struct scsi_cmnd *cmd);
164 static int qla4xxx_slave_alloc(struct scsi_device *device);
165 static umode_t qla4_attr_is_visible(int param_type, int param);
166 static int qla4xxx_host_reset(struct Scsi_Host *shost, int reset_type);
169 * iSCSI Flash DDB sysfs entry points
172 qla4xxx_sysfs_ddb_set_param(struct iscsi_bus_flash_session *fnode_sess,
173 struct iscsi_bus_flash_conn *fnode_conn,
174 void *data, int len);
176 qla4xxx_sysfs_ddb_get_param(struct iscsi_bus_flash_session *fnode_sess,
177 int param, char *buf);
178 static int qla4xxx_sysfs_ddb_add(struct Scsi_Host *shost, const char *buf,
181 qla4xxx_sysfs_ddb_delete(struct iscsi_bus_flash_session *fnode_sess);
182 static int qla4xxx_sysfs_ddb_login(struct iscsi_bus_flash_session *fnode_sess,
183 struct iscsi_bus_flash_conn *fnode_conn);
184 static int qla4xxx_sysfs_ddb_logout(struct iscsi_bus_flash_session *fnode_sess,
185 struct iscsi_bus_flash_conn *fnode_conn);
186 static int qla4xxx_sysfs_ddb_logout_sid(struct iscsi_cls_session *cls_sess);
188 static struct qla4_8xxx_legacy_intr_set legacy_intr[] =
189 QLA82XX_LEGACY_INTR_CONFIG;
191 static struct scsi_host_template qla4xxx_driver_template = {
192 .module = THIS_MODULE,
194 .proc_name = DRIVER_NAME,
195 .queuecommand = qla4xxx_queuecommand,
197 .eh_abort_handler = qla4xxx_eh_abort,
198 .eh_device_reset_handler = qla4xxx_eh_device_reset,
199 .eh_target_reset_handler = qla4xxx_eh_target_reset,
200 .eh_host_reset_handler = qla4xxx_eh_host_reset,
201 .eh_timed_out = qla4xxx_eh_cmd_timed_out,
203 .slave_alloc = qla4xxx_slave_alloc,
204 .change_queue_depth = scsi_change_queue_depth,
208 .use_clustering = ENABLE_CLUSTERING,
209 .sg_tablesize = SG_ALL,
211 .max_sectors = 0xFFFF,
212 .shost_attrs = qla4xxx_host_attrs,
213 .host_reset = qla4xxx_host_reset,
214 .vendor_id = SCSI_NL_VID_TYPE_PCI | PCI_VENDOR_ID_QLOGIC,
217 static struct iscsi_transport qla4xxx_iscsi_transport = {
218 .owner = THIS_MODULE,
220 .caps = CAP_TEXT_NEGO |
221 CAP_DATA_PATH_OFFLOAD | CAP_HDRDGST |
222 CAP_DATADGST | CAP_LOGIN_OFFLOAD |
224 .attr_is_visible = qla4_attr_is_visible,
225 .create_session = qla4xxx_session_create,
226 .destroy_session = qla4xxx_session_destroy,
227 .start_conn = qla4xxx_conn_start,
228 .create_conn = qla4xxx_conn_create,
229 .bind_conn = qla4xxx_conn_bind,
230 .stop_conn = iscsi_conn_stop,
231 .destroy_conn = qla4xxx_conn_destroy,
232 .set_param = iscsi_set_param,
233 .get_conn_param = qla4xxx_conn_get_param,
234 .get_session_param = qla4xxx_session_get_param,
235 .get_ep_param = qla4xxx_get_ep_param,
236 .ep_connect = qla4xxx_ep_connect,
237 .ep_poll = qla4xxx_ep_poll,
238 .ep_disconnect = qla4xxx_ep_disconnect,
239 .get_stats = qla4xxx_conn_get_stats,
240 .send_pdu = iscsi_conn_send_pdu,
241 .xmit_task = qla4xxx_task_xmit,
242 .cleanup_task = qla4xxx_task_cleanup,
243 .alloc_pdu = qla4xxx_alloc_pdu,
245 .get_host_param = qla4xxx_host_get_param,
246 .set_iface_param = qla4xxx_iface_set_param,
247 .get_iface_param = qla4xxx_get_iface_param,
248 .bsg_request = qla4xxx_bsg_request,
249 .send_ping = qla4xxx_send_ping,
250 .get_chap = qla4xxx_get_chap_list,
251 .delete_chap = qla4xxx_delete_chap,
252 .set_chap = qla4xxx_set_chap_entry,
253 .get_flashnode_param = qla4xxx_sysfs_ddb_get_param,
254 .set_flashnode_param = qla4xxx_sysfs_ddb_set_param,
255 .new_flashnode = qla4xxx_sysfs_ddb_add,
256 .del_flashnode = qla4xxx_sysfs_ddb_delete,
257 .login_flashnode = qla4xxx_sysfs_ddb_login,
258 .logout_flashnode = qla4xxx_sysfs_ddb_logout,
259 .logout_flashnode_sid = qla4xxx_sysfs_ddb_logout_sid,
260 .get_host_stats = qla4xxx_get_host_stats,
263 static struct scsi_transport_template *qla4xxx_scsi_transport;
265 static int qla4xxx_isp_check_reg(struct scsi_qla_host *ha)
268 int rval = QLA_SUCCESS;
271 reg_val = readl(&ha->qla4_82xx_reg->host_status);
272 else if (is_qla8032(ha) || is_qla8042(ha))
273 reg_val = qla4_8xxx_rd_direct(ha, QLA8XXX_PEG_ALIVE_COUNTER);
275 reg_val = readw(&ha->reg->ctrl_status);
277 if (reg_val == QL4_ISP_REG_DISCONNECT)
283 static int qla4xxx_send_ping(struct Scsi_Host *shost, uint32_t iface_num,
284 uint32_t iface_type, uint32_t payload_size,
285 uint32_t pid, struct sockaddr *dst_addr)
287 struct scsi_qla_host *ha = to_qla_host(shost);
288 struct sockaddr_in *addr;
289 struct sockaddr_in6 *addr6;
290 uint32_t options = 0;
291 uint8_t ipaddr[IPv6_ADDR_LEN];
294 memset(ipaddr, 0, IPv6_ADDR_LEN);
296 if ((iface_type == ISCSI_IFACE_TYPE_IPV4) &&
297 (dst_addr->sa_family == AF_INET)) {
298 addr = (struct sockaddr_in *)dst_addr;
299 memcpy(ipaddr, &addr->sin_addr.s_addr, IP_ADDR_LEN);
300 DEBUG2(ql4_printk(KERN_INFO, ha, "%s: IPv4 Ping src: %pI4 "
301 "dest: %pI4\n", __func__,
302 &ha->ip_config.ip_address, ipaddr));
303 rval = qla4xxx_ping_iocb(ha, options, payload_size, pid,
307 } else if ((iface_type == ISCSI_IFACE_TYPE_IPV6) &&
308 (dst_addr->sa_family == AF_INET6)) {
310 addr6 = (struct sockaddr_in6 *)dst_addr;
311 memcpy(ipaddr, &addr6->sin6_addr.in6_u.u6_addr8, IPv6_ADDR_LEN);
313 options |= PING_IPV6_PROTOCOL_ENABLE;
315 /* Ping using LinkLocal address */
316 if ((iface_num == 0) || (iface_num == 1)) {
317 DEBUG2(ql4_printk(KERN_INFO, ha, "%s: LinkLocal Ping "
318 "src: %pI6 dest: %pI6\n", __func__,
319 &ha->ip_config.ipv6_link_local_addr,
321 options |= PING_IPV6_LINKLOCAL_ADDR;
322 rval = qla4xxx_ping_iocb(ha, options, payload_size,
325 ql4_printk(KERN_WARNING, ha, "%s: iface num = %d "
326 "not supported\n", __func__, iface_num);
332 * If ping using LinkLocal address fails, try ping using
335 if (rval != QLA_SUCCESS) {
336 options &= ~PING_IPV6_LINKLOCAL_ADDR;
337 if (iface_num == 0) {
338 options |= PING_IPV6_ADDR0;
339 DEBUG2(ql4_printk(KERN_INFO, ha, "%s: IPv6 "
341 "dest: %pI6\n", __func__,
342 &ha->ip_config.ipv6_addr0,
344 } else if (iface_num == 1) {
345 options |= PING_IPV6_ADDR1;
346 DEBUG2(ql4_printk(KERN_INFO, ha, "%s: IPv6 "
348 "dest: %pI6\n", __func__,
349 &ha->ip_config.ipv6_addr1,
352 rval = qla4xxx_ping_iocb(ha, options, payload_size,
363 static umode_t qla4_attr_is_visible(int param_type, int param)
365 switch (param_type) {
366 case ISCSI_HOST_PARAM:
368 case ISCSI_HOST_PARAM_HWADDRESS:
369 case ISCSI_HOST_PARAM_IPADDRESS:
370 case ISCSI_HOST_PARAM_INITIATOR_NAME:
371 case ISCSI_HOST_PARAM_PORT_STATE:
372 case ISCSI_HOST_PARAM_PORT_SPEED:
379 case ISCSI_PARAM_PERSISTENT_ADDRESS:
380 case ISCSI_PARAM_PERSISTENT_PORT:
381 case ISCSI_PARAM_CONN_ADDRESS:
382 case ISCSI_PARAM_CONN_PORT:
383 case ISCSI_PARAM_TARGET_NAME:
384 case ISCSI_PARAM_TPGT:
385 case ISCSI_PARAM_TARGET_ALIAS:
386 case ISCSI_PARAM_MAX_BURST:
387 case ISCSI_PARAM_MAX_R2T:
388 case ISCSI_PARAM_FIRST_BURST:
389 case ISCSI_PARAM_MAX_RECV_DLENGTH:
390 case ISCSI_PARAM_MAX_XMIT_DLENGTH:
391 case ISCSI_PARAM_IFACE_NAME:
392 case ISCSI_PARAM_CHAP_OUT_IDX:
393 case ISCSI_PARAM_CHAP_IN_IDX:
394 case ISCSI_PARAM_USERNAME:
395 case ISCSI_PARAM_PASSWORD:
396 case ISCSI_PARAM_USERNAME_IN:
397 case ISCSI_PARAM_PASSWORD_IN:
398 case ISCSI_PARAM_AUTO_SND_TGT_DISABLE:
399 case ISCSI_PARAM_DISCOVERY_SESS:
400 case ISCSI_PARAM_PORTAL_TYPE:
401 case ISCSI_PARAM_CHAP_AUTH_EN:
402 case ISCSI_PARAM_DISCOVERY_LOGOUT_EN:
403 case ISCSI_PARAM_BIDI_CHAP_EN:
404 case ISCSI_PARAM_DISCOVERY_AUTH_OPTIONAL:
405 case ISCSI_PARAM_DEF_TIME2WAIT:
406 case ISCSI_PARAM_DEF_TIME2RETAIN:
407 case ISCSI_PARAM_HDRDGST_EN:
408 case ISCSI_PARAM_DATADGST_EN:
409 case ISCSI_PARAM_INITIAL_R2T_EN:
410 case ISCSI_PARAM_IMM_DATA_EN:
411 case ISCSI_PARAM_PDU_INORDER_EN:
412 case ISCSI_PARAM_DATASEQ_INORDER_EN:
413 case ISCSI_PARAM_MAX_SEGMENT_SIZE:
414 case ISCSI_PARAM_TCP_TIMESTAMP_STAT:
415 case ISCSI_PARAM_TCP_WSF_DISABLE:
416 case ISCSI_PARAM_TCP_NAGLE_DISABLE:
417 case ISCSI_PARAM_TCP_TIMER_SCALE:
418 case ISCSI_PARAM_TCP_TIMESTAMP_EN:
419 case ISCSI_PARAM_TCP_XMIT_WSF:
420 case ISCSI_PARAM_TCP_RECV_WSF:
421 case ISCSI_PARAM_IP_FRAGMENT_DISABLE:
422 case ISCSI_PARAM_IPV4_TOS:
423 case ISCSI_PARAM_IPV6_TC:
424 case ISCSI_PARAM_IPV6_FLOW_LABEL:
425 case ISCSI_PARAM_IS_FW_ASSIGNED_IPV6:
426 case ISCSI_PARAM_KEEPALIVE_TMO:
427 case ISCSI_PARAM_LOCAL_PORT:
428 case ISCSI_PARAM_ISID:
429 case ISCSI_PARAM_TSID:
430 case ISCSI_PARAM_DEF_TASKMGMT_TMO:
431 case ISCSI_PARAM_ERL:
432 case ISCSI_PARAM_STATSN:
433 case ISCSI_PARAM_EXP_STATSN:
434 case ISCSI_PARAM_DISCOVERY_PARENT_IDX:
435 case ISCSI_PARAM_DISCOVERY_PARENT_TYPE:
436 case ISCSI_PARAM_LOCAL_IPADDR:
441 case ISCSI_NET_PARAM:
443 case ISCSI_NET_PARAM_IPV4_ADDR:
444 case ISCSI_NET_PARAM_IPV4_SUBNET:
445 case ISCSI_NET_PARAM_IPV4_GW:
446 case ISCSI_NET_PARAM_IPV4_BOOTPROTO:
447 case ISCSI_NET_PARAM_IFACE_ENABLE:
448 case ISCSI_NET_PARAM_IPV6_LINKLOCAL:
449 case ISCSI_NET_PARAM_IPV6_ADDR:
450 case ISCSI_NET_PARAM_IPV6_ROUTER:
451 case ISCSI_NET_PARAM_IPV6_ADDR_AUTOCFG:
452 case ISCSI_NET_PARAM_IPV6_LINKLOCAL_AUTOCFG:
453 case ISCSI_NET_PARAM_VLAN_ID:
454 case ISCSI_NET_PARAM_VLAN_PRIORITY:
455 case ISCSI_NET_PARAM_VLAN_ENABLED:
456 case ISCSI_NET_PARAM_MTU:
457 case ISCSI_NET_PARAM_PORT:
458 case ISCSI_NET_PARAM_IPADDR_STATE:
459 case ISCSI_NET_PARAM_IPV6_LINKLOCAL_STATE:
460 case ISCSI_NET_PARAM_IPV6_ROUTER_STATE:
461 case ISCSI_NET_PARAM_DELAYED_ACK_EN:
462 case ISCSI_NET_PARAM_TCP_NAGLE_DISABLE:
463 case ISCSI_NET_PARAM_TCP_WSF_DISABLE:
464 case ISCSI_NET_PARAM_TCP_WSF:
465 case ISCSI_NET_PARAM_TCP_TIMER_SCALE:
466 case ISCSI_NET_PARAM_TCP_TIMESTAMP_EN:
467 case ISCSI_NET_PARAM_CACHE_ID:
468 case ISCSI_NET_PARAM_IPV4_DHCP_DNS_ADDR_EN:
469 case ISCSI_NET_PARAM_IPV4_DHCP_SLP_DA_EN:
470 case ISCSI_NET_PARAM_IPV4_TOS_EN:
471 case ISCSI_NET_PARAM_IPV4_TOS:
472 case ISCSI_NET_PARAM_IPV4_GRAT_ARP_EN:
473 case ISCSI_NET_PARAM_IPV4_DHCP_ALT_CLIENT_ID_EN:
474 case ISCSI_NET_PARAM_IPV4_DHCP_ALT_CLIENT_ID:
475 case ISCSI_NET_PARAM_IPV4_DHCP_REQ_VENDOR_ID_EN:
476 case ISCSI_NET_PARAM_IPV4_DHCP_USE_VENDOR_ID_EN:
477 case ISCSI_NET_PARAM_IPV4_DHCP_VENDOR_ID:
478 case ISCSI_NET_PARAM_IPV4_DHCP_LEARN_IQN_EN:
479 case ISCSI_NET_PARAM_IPV4_FRAGMENT_DISABLE:
480 case ISCSI_NET_PARAM_IPV4_IN_FORWARD_EN:
481 case ISCSI_NET_PARAM_REDIRECT_EN:
482 case ISCSI_NET_PARAM_IPV4_TTL:
483 case ISCSI_NET_PARAM_IPV6_GRAT_NEIGHBOR_ADV_EN:
484 case ISCSI_NET_PARAM_IPV6_MLD_EN:
485 case ISCSI_NET_PARAM_IPV6_FLOW_LABEL:
486 case ISCSI_NET_PARAM_IPV6_TRAFFIC_CLASS:
487 case ISCSI_NET_PARAM_IPV6_HOP_LIMIT:
488 case ISCSI_NET_PARAM_IPV6_ND_REACHABLE_TMO:
489 case ISCSI_NET_PARAM_IPV6_ND_REXMIT_TIME:
490 case ISCSI_NET_PARAM_IPV6_ND_STALE_TMO:
491 case ISCSI_NET_PARAM_IPV6_DUP_ADDR_DETECT_CNT:
492 case ISCSI_NET_PARAM_IPV6_RTR_ADV_LINK_MTU:
497 case ISCSI_IFACE_PARAM:
499 case ISCSI_IFACE_PARAM_DEF_TASKMGMT_TMO:
500 case ISCSI_IFACE_PARAM_HDRDGST_EN:
501 case ISCSI_IFACE_PARAM_DATADGST_EN:
502 case ISCSI_IFACE_PARAM_IMM_DATA_EN:
503 case ISCSI_IFACE_PARAM_INITIAL_R2T_EN:
504 case ISCSI_IFACE_PARAM_DATASEQ_INORDER_EN:
505 case ISCSI_IFACE_PARAM_PDU_INORDER_EN:
506 case ISCSI_IFACE_PARAM_ERL:
507 case ISCSI_IFACE_PARAM_MAX_RECV_DLENGTH:
508 case ISCSI_IFACE_PARAM_FIRST_BURST:
509 case ISCSI_IFACE_PARAM_MAX_R2T:
510 case ISCSI_IFACE_PARAM_MAX_BURST:
511 case ISCSI_IFACE_PARAM_CHAP_AUTH_EN:
512 case ISCSI_IFACE_PARAM_BIDI_CHAP_EN:
513 case ISCSI_IFACE_PARAM_DISCOVERY_AUTH_OPTIONAL:
514 case ISCSI_IFACE_PARAM_DISCOVERY_LOGOUT_EN:
515 case ISCSI_IFACE_PARAM_STRICT_LOGIN_COMP_EN:
516 case ISCSI_IFACE_PARAM_INITIATOR_NAME:
521 case ISCSI_FLASHNODE_PARAM:
523 case ISCSI_FLASHNODE_IS_FW_ASSIGNED_IPV6:
524 case ISCSI_FLASHNODE_PORTAL_TYPE:
525 case ISCSI_FLASHNODE_AUTO_SND_TGT_DISABLE:
526 case ISCSI_FLASHNODE_DISCOVERY_SESS:
527 case ISCSI_FLASHNODE_ENTRY_EN:
528 case ISCSI_FLASHNODE_HDR_DGST_EN:
529 case ISCSI_FLASHNODE_DATA_DGST_EN:
530 case ISCSI_FLASHNODE_IMM_DATA_EN:
531 case ISCSI_FLASHNODE_INITIAL_R2T_EN:
532 case ISCSI_FLASHNODE_DATASEQ_INORDER:
533 case ISCSI_FLASHNODE_PDU_INORDER:
534 case ISCSI_FLASHNODE_CHAP_AUTH_EN:
535 case ISCSI_FLASHNODE_SNACK_REQ_EN:
536 case ISCSI_FLASHNODE_DISCOVERY_LOGOUT_EN:
537 case ISCSI_FLASHNODE_BIDI_CHAP_EN:
538 case ISCSI_FLASHNODE_DISCOVERY_AUTH_OPTIONAL:
539 case ISCSI_FLASHNODE_ERL:
540 case ISCSI_FLASHNODE_TCP_TIMESTAMP_STAT:
541 case ISCSI_FLASHNODE_TCP_NAGLE_DISABLE:
542 case ISCSI_FLASHNODE_TCP_WSF_DISABLE:
543 case ISCSI_FLASHNODE_TCP_TIMER_SCALE:
544 case ISCSI_FLASHNODE_TCP_TIMESTAMP_EN:
545 case ISCSI_FLASHNODE_IP_FRAG_DISABLE:
546 case ISCSI_FLASHNODE_MAX_RECV_DLENGTH:
547 case ISCSI_FLASHNODE_MAX_XMIT_DLENGTH:
548 case ISCSI_FLASHNODE_FIRST_BURST:
549 case ISCSI_FLASHNODE_DEF_TIME2WAIT:
550 case ISCSI_FLASHNODE_DEF_TIME2RETAIN:
551 case ISCSI_FLASHNODE_MAX_R2T:
552 case ISCSI_FLASHNODE_KEEPALIVE_TMO:
553 case ISCSI_FLASHNODE_ISID:
554 case ISCSI_FLASHNODE_TSID:
555 case ISCSI_FLASHNODE_PORT:
556 case ISCSI_FLASHNODE_MAX_BURST:
557 case ISCSI_FLASHNODE_DEF_TASKMGMT_TMO:
558 case ISCSI_FLASHNODE_IPADDR:
559 case ISCSI_FLASHNODE_ALIAS:
560 case ISCSI_FLASHNODE_REDIRECT_IPADDR:
561 case ISCSI_FLASHNODE_MAX_SEGMENT_SIZE:
562 case ISCSI_FLASHNODE_LOCAL_PORT:
563 case ISCSI_FLASHNODE_IPV4_TOS:
564 case ISCSI_FLASHNODE_IPV6_TC:
565 case ISCSI_FLASHNODE_IPV6_FLOW_LABEL:
566 case ISCSI_FLASHNODE_NAME:
567 case ISCSI_FLASHNODE_TPGT:
568 case ISCSI_FLASHNODE_LINK_LOCAL_IPV6:
569 case ISCSI_FLASHNODE_DISCOVERY_PARENT_IDX:
570 case ISCSI_FLASHNODE_DISCOVERY_PARENT_TYPE:
571 case ISCSI_FLASHNODE_TCP_XMIT_WSF:
572 case ISCSI_FLASHNODE_TCP_RECV_WSF:
573 case ISCSI_FLASHNODE_CHAP_OUT_IDX:
574 case ISCSI_FLASHNODE_USERNAME:
575 case ISCSI_FLASHNODE_PASSWORD:
576 case ISCSI_FLASHNODE_STATSN:
577 case ISCSI_FLASHNODE_EXP_STATSN:
578 case ISCSI_FLASHNODE_IS_BOOT_TGT:
589 * qla4xxx_create chap_list - Create CHAP list from FLASH
590 * @ha: pointer to adapter structure
592 * Read flash and make a list of CHAP entries, during login when a CHAP entry
593 * is received, it will be checked in this list. If entry exist then the CHAP
594 * entry index is set in the DDB. If CHAP entry does not exist in this list
595 * then a new entry is added in FLASH in CHAP table and the index obtained is
598 static void qla4xxx_create_chap_list(struct scsi_qla_host *ha)
601 uint8_t *chap_flash_data = NULL;
604 uint32_t chap_size = 0;
607 chap_size = MAX_CHAP_ENTRIES_40XX *
608 sizeof(struct ql4_chap_table);
609 else /* Single region contains CHAP info for both
610 * ports which is divided into half for each port.
612 chap_size = ha->hw.flt_chap_size / 2;
614 chap_flash_data = dma_alloc_coherent(&ha->pdev->dev, chap_size,
615 &chap_dma, GFP_KERNEL);
616 if (!chap_flash_data) {
617 ql4_printk(KERN_ERR, ha, "No memory for chap_flash_data\n");
621 if (is_qla40XX(ha)) {
622 offset = FLASH_CHAP_OFFSET;
624 offset = FLASH_RAW_ACCESS_ADDR + (ha->hw.flt_region_chap << 2);
625 if (ha->port_num == 1)
629 rval = qla4xxx_get_flash(ha, chap_dma, offset, chap_size);
630 if (rval != QLA_SUCCESS)
633 if (ha->chap_list == NULL)
634 ha->chap_list = vmalloc(chap_size);
635 if (ha->chap_list == NULL) {
636 ql4_printk(KERN_ERR, ha, "No memory for ha->chap_list\n");
640 memset(ha->chap_list, 0, chap_size);
641 memcpy(ha->chap_list, chap_flash_data, chap_size);
644 dma_free_coherent(&ha->pdev->dev, chap_size, chap_flash_data, chap_dma);
647 static int qla4xxx_get_chap_by_index(struct scsi_qla_host *ha,
649 struct ql4_chap_table **chap_entry)
651 int rval = QLA_ERROR;
652 int max_chap_entries;
654 if (!ha->chap_list) {
655 ql4_printk(KERN_ERR, ha, "CHAP table cache is empty!\n");
661 max_chap_entries = (ha->hw.flt_chap_size / 2) /
662 sizeof(struct ql4_chap_table);
664 max_chap_entries = MAX_CHAP_ENTRIES_40XX;
666 if (chap_index > max_chap_entries) {
667 ql4_printk(KERN_ERR, ha, "Invalid Chap index\n");
672 *chap_entry = (struct ql4_chap_table *)ha->chap_list + chap_index;
673 if ((*chap_entry)->cookie !=
674 __constant_cpu_to_le16(CHAP_VALID_COOKIE)) {
686 * qla4xxx_find_free_chap_index - Find the first free chap index
687 * @ha: pointer to adapter structure
688 * @chap_index: CHAP index to be returned
690 * Find the first free chap index available in the chap table
692 * Note: Caller should acquire the chap lock before getting here.
694 static int qla4xxx_find_free_chap_index(struct scsi_qla_host *ha,
695 uint16_t *chap_index)
699 int max_chap_entries = 0;
700 struct ql4_chap_table *chap_table;
703 max_chap_entries = (ha->hw.flt_chap_size / 2) /
704 sizeof(struct ql4_chap_table);
706 max_chap_entries = MAX_CHAP_ENTRIES_40XX;
708 if (!ha->chap_list) {
709 ql4_printk(KERN_ERR, ha, "CHAP table cache is empty!\n");
714 for (i = 0; i < max_chap_entries; i++) {
715 chap_table = (struct ql4_chap_table *)ha->chap_list + i;
717 if ((chap_table->cookie !=
718 __constant_cpu_to_le16(CHAP_VALID_COOKIE)) &&
719 (i > MAX_RESRV_CHAP_IDX)) {
725 if (free_index != -1) {
726 *chap_index = free_index;
736 static int qla4xxx_get_chap_list(struct Scsi_Host *shost, uint16_t chap_tbl_idx,
737 uint32_t *num_entries, char *buf)
739 struct scsi_qla_host *ha = to_qla_host(shost);
740 struct ql4_chap_table *chap_table;
741 struct iscsi_chap_rec *chap_rec;
742 int max_chap_entries = 0;
743 int valid_chap_entries = 0;
747 max_chap_entries = (ha->hw.flt_chap_size / 2) /
748 sizeof(struct ql4_chap_table);
750 max_chap_entries = MAX_CHAP_ENTRIES_40XX;
752 ql4_printk(KERN_INFO, ha, "%s: num_entries = %d, CHAP idx = %d\n",
753 __func__, *num_entries, chap_tbl_idx);
757 goto exit_get_chap_list;
760 qla4xxx_create_chap_list(ha);
762 chap_rec = (struct iscsi_chap_rec *) buf;
763 mutex_lock(&ha->chap_sem);
764 for (i = chap_tbl_idx; i < max_chap_entries; i++) {
765 chap_table = (struct ql4_chap_table *)ha->chap_list + i;
766 if (chap_table->cookie !=
767 __constant_cpu_to_le16(CHAP_VALID_COOKIE))
770 chap_rec->chap_tbl_idx = i;
771 strlcpy(chap_rec->username, chap_table->name,
772 ISCSI_CHAP_AUTH_NAME_MAX_LEN);
773 strlcpy(chap_rec->password, chap_table->secret,
774 QL4_CHAP_MAX_SECRET_LEN);
775 chap_rec->password_length = chap_table->secret_len;
777 if (chap_table->flags & BIT_7) /* local */
778 chap_rec->chap_type = CHAP_TYPE_OUT;
780 if (chap_table->flags & BIT_6) /* peer */
781 chap_rec->chap_type = CHAP_TYPE_IN;
785 valid_chap_entries++;
786 if (valid_chap_entries == *num_entries)
791 mutex_unlock(&ha->chap_sem);
794 ql4_printk(KERN_INFO, ha, "%s: Valid CHAP Entries = %d\n",
795 __func__, valid_chap_entries);
796 *num_entries = valid_chap_entries;
800 static int __qla4xxx_is_chap_active(struct device *dev, void *data)
803 uint16_t *chap_tbl_idx = (uint16_t *) data;
804 struct iscsi_cls_session *cls_session;
805 struct iscsi_session *sess;
806 struct ddb_entry *ddb_entry;
808 if (!iscsi_is_session_dev(dev))
809 goto exit_is_chap_active;
811 cls_session = iscsi_dev_to_session(dev);
812 sess = cls_session->dd_data;
813 ddb_entry = sess->dd_data;
815 if (iscsi_session_chkready(cls_session))
816 goto exit_is_chap_active;
818 if (ddb_entry->chap_tbl_idx == *chap_tbl_idx)
825 static int qla4xxx_is_chap_active(struct Scsi_Host *shost,
826 uint16_t chap_tbl_idx)
830 ret = device_for_each_child(&shost->shost_gendev, &chap_tbl_idx,
831 __qla4xxx_is_chap_active);
836 static int qla4xxx_delete_chap(struct Scsi_Host *shost, uint16_t chap_tbl_idx)
838 struct scsi_qla_host *ha = to_qla_host(shost);
839 struct ql4_chap_table *chap_table;
841 int max_chap_entries = 0;
846 chap_table = dma_pool_alloc(ha->chap_dma_pool, GFP_KERNEL, &chap_dma);
847 if (chap_table == NULL)
850 memset(chap_table, 0, sizeof(struct ql4_chap_table));
853 max_chap_entries = (ha->hw.flt_chap_size / 2) /
854 sizeof(struct ql4_chap_table);
856 max_chap_entries = MAX_CHAP_ENTRIES_40XX;
858 if (chap_tbl_idx > max_chap_entries) {
860 goto exit_delete_chap;
863 /* Check if chap index is in use.
864 * If chap is in use don't delet chap entry */
865 ret = qla4xxx_is_chap_active(shost, chap_tbl_idx);
867 ql4_printk(KERN_INFO, ha, "CHAP entry %d is in use, cannot "
868 "delete from flash\n", chap_tbl_idx);
870 goto exit_delete_chap;
873 chap_size = sizeof(struct ql4_chap_table);
875 offset = FLASH_CHAP_OFFSET | (chap_tbl_idx * chap_size);
877 offset = FLASH_RAW_ACCESS_ADDR + (ha->hw.flt_region_chap << 2);
878 /* flt_chap_size is CHAP table size for both ports
879 * so divide it by 2 to calculate the offset for second port
881 if (ha->port_num == 1)
882 offset += (ha->hw.flt_chap_size / 2);
883 offset += (chap_tbl_idx * chap_size);
886 ret = qla4xxx_get_flash(ha, chap_dma, offset, chap_size);
887 if (ret != QLA_SUCCESS) {
889 goto exit_delete_chap;
892 DEBUG2(ql4_printk(KERN_INFO, ha, "Chap Cookie: x%x\n",
893 __le16_to_cpu(chap_table->cookie)));
895 if (__le16_to_cpu(chap_table->cookie) != CHAP_VALID_COOKIE) {
896 ql4_printk(KERN_ERR, ha, "No valid chap entry found\n");
897 goto exit_delete_chap;
900 chap_table->cookie = __constant_cpu_to_le16(0xFFFF);
902 offset = FLASH_CHAP_OFFSET |
903 (chap_tbl_idx * sizeof(struct ql4_chap_table));
904 ret = qla4xxx_set_flash(ha, chap_dma, offset, chap_size,
905 FLASH_OPT_RMW_COMMIT);
906 if (ret == QLA_SUCCESS && ha->chap_list) {
907 mutex_lock(&ha->chap_sem);
908 /* Update ha chap_list cache */
909 memcpy((struct ql4_chap_table *)ha->chap_list + chap_tbl_idx,
910 chap_table, sizeof(struct ql4_chap_table));
911 mutex_unlock(&ha->chap_sem);
913 if (ret != QLA_SUCCESS)
917 dma_pool_free(ha->chap_dma_pool, chap_table, chap_dma);
922 * qla4xxx_set_chap_entry - Make chap entry with given information
923 * @shost: pointer to host
924 * @data: chap info - credentials, index and type to make chap entry
925 * @len: length of data
927 * Add or update chap entry with the given information
929 static int qla4xxx_set_chap_entry(struct Scsi_Host *shost, void *data, int len)
931 struct scsi_qla_host *ha = to_qla_host(shost);
932 struct iscsi_chap_rec chap_rec;
933 struct ql4_chap_table *chap_entry = NULL;
934 struct iscsi_param_info *param_info;
936 int max_chap_entries = 0;
942 memset(&chap_rec, 0, sizeof(chap_rec));
944 nla_for_each_attr(attr, data, len, rem) {
945 param_info = nla_data(attr);
947 switch (param_info->param) {
948 case ISCSI_CHAP_PARAM_INDEX:
949 chap_rec.chap_tbl_idx = *(uint16_t *)param_info->value;
951 case ISCSI_CHAP_PARAM_CHAP_TYPE:
952 chap_rec.chap_type = param_info->value[0];
954 case ISCSI_CHAP_PARAM_USERNAME:
955 size = min_t(size_t, sizeof(chap_rec.username),
957 memcpy(chap_rec.username, param_info->value, size);
959 case ISCSI_CHAP_PARAM_PASSWORD:
960 size = min_t(size_t, sizeof(chap_rec.password),
962 memcpy(chap_rec.password, param_info->value, size);
964 case ISCSI_CHAP_PARAM_PASSWORD_LEN:
965 chap_rec.password_length = param_info->value[0];
968 ql4_printk(KERN_ERR, ha,
969 "%s: No such sysfs attribute\n", __func__);
975 if (chap_rec.chap_type == CHAP_TYPE_IN)
981 max_chap_entries = (ha->hw.flt_chap_size / 2) /
982 sizeof(struct ql4_chap_table);
984 max_chap_entries = MAX_CHAP_ENTRIES_40XX;
986 mutex_lock(&ha->chap_sem);
987 if (chap_rec.chap_tbl_idx < max_chap_entries) {
988 rc = qla4xxx_get_chap_by_index(ha, chap_rec.chap_tbl_idx,
991 if (!(type == qla4xxx_get_chap_type(chap_entry))) {
992 ql4_printk(KERN_INFO, ha,
993 "Type mismatch for CHAP entry %d\n",
994 chap_rec.chap_tbl_idx);
996 goto exit_unlock_chap;
999 /* If chap index is in use then don't modify it */
1000 rc = qla4xxx_is_chap_active(shost,
1001 chap_rec.chap_tbl_idx);
1003 ql4_printk(KERN_INFO, ha,
1004 "CHAP entry %d is in use\n",
1005 chap_rec.chap_tbl_idx);
1007 goto exit_unlock_chap;
1011 rc = qla4xxx_find_free_chap_index(ha, &chap_rec.chap_tbl_idx);
1013 ql4_printk(KERN_INFO, ha, "CHAP entry not available\n");
1015 goto exit_unlock_chap;
1019 rc = qla4xxx_set_chap(ha, chap_rec.username, chap_rec.password,
1020 chap_rec.chap_tbl_idx, type);
1023 mutex_unlock(&ha->chap_sem);
1030 static int qla4xxx_get_host_stats(struct Scsi_Host *shost, char *buf, int len)
1032 struct scsi_qla_host *ha = to_qla_host(shost);
1033 struct iscsi_offload_host_stats *host_stats = NULL;
1034 int host_stats_size;
1037 struct ql_iscsi_stats *ql_iscsi_stats = NULL;
1039 dma_addr_t iscsi_stats_dma;
1041 DEBUG2(ql4_printk(KERN_INFO, ha, "Func: %s\n", __func__));
1043 host_stats_size = sizeof(struct iscsi_offload_host_stats);
1045 if (host_stats_size != len) {
1046 ql4_printk(KERN_INFO, ha, "%s: host_stats size mismatch expected = %d, is = %d\n",
1047 __func__, len, host_stats_size);
1049 goto exit_host_stats;
1051 host_stats = (struct iscsi_offload_host_stats *)buf;
1055 goto exit_host_stats;
1058 stats_size = PAGE_ALIGN(sizeof(struct ql_iscsi_stats));
1060 ql_iscsi_stats = dma_alloc_coherent(&ha->pdev->dev, stats_size,
1061 &iscsi_stats_dma, GFP_KERNEL);
1062 if (!ql_iscsi_stats) {
1063 ql4_printk(KERN_ERR, ha,
1064 "Unable to allocate memory for iscsi stats\n");
1066 goto exit_host_stats;
1069 ret = qla4xxx_get_mgmt_data(ha, ddb_idx, stats_size,
1071 if (ret != QLA_SUCCESS) {
1072 ql4_printk(KERN_ERR, ha,
1073 "Unable to retrieve iscsi stats\n");
1075 goto exit_host_stats;
1077 host_stats->mactx_frames = le64_to_cpu(ql_iscsi_stats->mac_tx_frames);
1078 host_stats->mactx_bytes = le64_to_cpu(ql_iscsi_stats->mac_tx_bytes);
1079 host_stats->mactx_multicast_frames =
1080 le64_to_cpu(ql_iscsi_stats->mac_tx_multicast_frames);
1081 host_stats->mactx_broadcast_frames =
1082 le64_to_cpu(ql_iscsi_stats->mac_tx_broadcast_frames);
1083 host_stats->mactx_pause_frames =
1084 le64_to_cpu(ql_iscsi_stats->mac_tx_pause_frames);
1085 host_stats->mactx_control_frames =
1086 le64_to_cpu(ql_iscsi_stats->mac_tx_control_frames);
1087 host_stats->mactx_deferral =
1088 le64_to_cpu(ql_iscsi_stats->mac_tx_deferral);
1089 host_stats->mactx_excess_deferral =
1090 le64_to_cpu(ql_iscsi_stats->mac_tx_excess_deferral);
1091 host_stats->mactx_late_collision =
1092 le64_to_cpu(ql_iscsi_stats->mac_tx_late_collision);
1093 host_stats->mactx_abort = le64_to_cpu(ql_iscsi_stats->mac_tx_abort);
1094 host_stats->mactx_single_collision =
1095 le64_to_cpu(ql_iscsi_stats->mac_tx_single_collision);
1096 host_stats->mactx_multiple_collision =
1097 le64_to_cpu(ql_iscsi_stats->mac_tx_multiple_collision);
1098 host_stats->mactx_collision =
1099 le64_to_cpu(ql_iscsi_stats->mac_tx_collision);
1100 host_stats->mactx_frames_dropped =
1101 le64_to_cpu(ql_iscsi_stats->mac_tx_frames_dropped);
1102 host_stats->mactx_jumbo_frames =
1103 le64_to_cpu(ql_iscsi_stats->mac_tx_jumbo_frames);
1104 host_stats->macrx_frames = le64_to_cpu(ql_iscsi_stats->mac_rx_frames);
1105 host_stats->macrx_bytes = le64_to_cpu(ql_iscsi_stats->mac_rx_bytes);
1106 host_stats->macrx_unknown_control_frames =
1107 le64_to_cpu(ql_iscsi_stats->mac_rx_unknown_control_frames);
1108 host_stats->macrx_pause_frames =
1109 le64_to_cpu(ql_iscsi_stats->mac_rx_pause_frames);
1110 host_stats->macrx_control_frames =
1111 le64_to_cpu(ql_iscsi_stats->mac_rx_control_frames);
1112 host_stats->macrx_dribble =
1113 le64_to_cpu(ql_iscsi_stats->mac_rx_dribble);
1114 host_stats->macrx_frame_length_error =
1115 le64_to_cpu(ql_iscsi_stats->mac_rx_frame_length_error);
1116 host_stats->macrx_jabber = le64_to_cpu(ql_iscsi_stats->mac_rx_jabber);
1117 host_stats->macrx_carrier_sense_error =
1118 le64_to_cpu(ql_iscsi_stats->mac_rx_carrier_sense_error);
1119 host_stats->macrx_frame_discarded =
1120 le64_to_cpu(ql_iscsi_stats->mac_rx_frame_discarded);
1121 host_stats->macrx_frames_dropped =
1122 le64_to_cpu(ql_iscsi_stats->mac_rx_frames_dropped);
1123 host_stats->mac_crc_error = le64_to_cpu(ql_iscsi_stats->mac_crc_error);
1124 host_stats->mac_encoding_error =
1125 le64_to_cpu(ql_iscsi_stats->mac_encoding_error);
1126 host_stats->macrx_length_error_large =
1127 le64_to_cpu(ql_iscsi_stats->mac_rx_length_error_large);
1128 host_stats->macrx_length_error_small =
1129 le64_to_cpu(ql_iscsi_stats->mac_rx_length_error_small);
1130 host_stats->macrx_multicast_frames =
1131 le64_to_cpu(ql_iscsi_stats->mac_rx_multicast_frames);
1132 host_stats->macrx_broadcast_frames =
1133 le64_to_cpu(ql_iscsi_stats->mac_rx_broadcast_frames);
1134 host_stats->iptx_packets = le64_to_cpu(ql_iscsi_stats->ip_tx_packets);
1135 host_stats->iptx_bytes = le64_to_cpu(ql_iscsi_stats->ip_tx_bytes);
1136 host_stats->iptx_fragments =
1137 le64_to_cpu(ql_iscsi_stats->ip_tx_fragments);
1138 host_stats->iprx_packets = le64_to_cpu(ql_iscsi_stats->ip_rx_packets);
1139 host_stats->iprx_bytes = le64_to_cpu(ql_iscsi_stats->ip_rx_bytes);
1140 host_stats->iprx_fragments =
1141 le64_to_cpu(ql_iscsi_stats->ip_rx_fragments);
1142 host_stats->ip_datagram_reassembly =
1143 le64_to_cpu(ql_iscsi_stats->ip_datagram_reassembly);
1144 host_stats->ip_invalid_address_error =
1145 le64_to_cpu(ql_iscsi_stats->ip_invalid_address_error);
1146 host_stats->ip_error_packets =
1147 le64_to_cpu(ql_iscsi_stats->ip_error_packets);
1148 host_stats->ip_fragrx_overlap =
1149 le64_to_cpu(ql_iscsi_stats->ip_fragrx_overlap);
1150 host_stats->ip_fragrx_outoforder =
1151 le64_to_cpu(ql_iscsi_stats->ip_fragrx_outoforder);
1152 host_stats->ip_datagram_reassembly_timeout =
1153 le64_to_cpu(ql_iscsi_stats->ip_datagram_reassembly_timeout);
1154 host_stats->ipv6tx_packets =
1155 le64_to_cpu(ql_iscsi_stats->ipv6_tx_packets);
1156 host_stats->ipv6tx_bytes = le64_to_cpu(ql_iscsi_stats->ipv6_tx_bytes);
1157 host_stats->ipv6tx_fragments =
1158 le64_to_cpu(ql_iscsi_stats->ipv6_tx_fragments);
1159 host_stats->ipv6rx_packets =
1160 le64_to_cpu(ql_iscsi_stats->ipv6_rx_packets);
1161 host_stats->ipv6rx_bytes = le64_to_cpu(ql_iscsi_stats->ipv6_rx_bytes);
1162 host_stats->ipv6rx_fragments =
1163 le64_to_cpu(ql_iscsi_stats->ipv6_rx_fragments);
1164 host_stats->ipv6_datagram_reassembly =
1165 le64_to_cpu(ql_iscsi_stats->ipv6_datagram_reassembly);
1166 host_stats->ipv6_invalid_address_error =
1167 le64_to_cpu(ql_iscsi_stats->ipv6_invalid_address_error);
1168 host_stats->ipv6_error_packets =
1169 le64_to_cpu(ql_iscsi_stats->ipv6_error_packets);
1170 host_stats->ipv6_fragrx_overlap =
1171 le64_to_cpu(ql_iscsi_stats->ipv6_fragrx_overlap);
1172 host_stats->ipv6_fragrx_outoforder =
1173 le64_to_cpu(ql_iscsi_stats->ipv6_fragrx_outoforder);
1174 host_stats->ipv6_datagram_reassembly_timeout =
1175 le64_to_cpu(ql_iscsi_stats->ipv6_datagram_reassembly_timeout);
1176 host_stats->tcptx_segments =
1177 le64_to_cpu(ql_iscsi_stats->tcp_tx_segments);
1178 host_stats->tcptx_bytes = le64_to_cpu(ql_iscsi_stats->tcp_tx_bytes);
1179 host_stats->tcprx_segments =
1180 le64_to_cpu(ql_iscsi_stats->tcp_rx_segments);
1181 host_stats->tcprx_byte = le64_to_cpu(ql_iscsi_stats->tcp_rx_byte);
1182 host_stats->tcp_duplicate_ack_retx =
1183 le64_to_cpu(ql_iscsi_stats->tcp_duplicate_ack_retx);
1184 host_stats->tcp_retx_timer_expired =
1185 le64_to_cpu(ql_iscsi_stats->tcp_retx_timer_expired);
1186 host_stats->tcprx_duplicate_ack =
1187 le64_to_cpu(ql_iscsi_stats->tcp_rx_duplicate_ack);
1188 host_stats->tcprx_pure_ackr =
1189 le64_to_cpu(ql_iscsi_stats->tcp_rx_pure_ackr);
1190 host_stats->tcptx_delayed_ack =
1191 le64_to_cpu(ql_iscsi_stats->tcp_tx_delayed_ack);
1192 host_stats->tcptx_pure_ack =
1193 le64_to_cpu(ql_iscsi_stats->tcp_tx_pure_ack);
1194 host_stats->tcprx_segment_error =
1195 le64_to_cpu(ql_iscsi_stats->tcp_rx_segment_error);
1196 host_stats->tcprx_segment_outoforder =
1197 le64_to_cpu(ql_iscsi_stats->tcp_rx_segment_outoforder);
1198 host_stats->tcprx_window_probe =
1199 le64_to_cpu(ql_iscsi_stats->tcp_rx_window_probe);
1200 host_stats->tcprx_window_update =
1201 le64_to_cpu(ql_iscsi_stats->tcp_rx_window_update);
1202 host_stats->tcptx_window_probe_persist =
1203 le64_to_cpu(ql_iscsi_stats->tcp_tx_window_probe_persist);
1204 host_stats->ecc_error_correction =
1205 le64_to_cpu(ql_iscsi_stats->ecc_error_correction);
1206 host_stats->iscsi_pdu_tx = le64_to_cpu(ql_iscsi_stats->iscsi_pdu_tx);
1207 host_stats->iscsi_data_bytes_tx =
1208 le64_to_cpu(ql_iscsi_stats->iscsi_data_bytes_tx);
1209 host_stats->iscsi_pdu_rx = le64_to_cpu(ql_iscsi_stats->iscsi_pdu_rx);
1210 host_stats->iscsi_data_bytes_rx =
1211 le64_to_cpu(ql_iscsi_stats->iscsi_data_bytes_rx);
1212 host_stats->iscsi_io_completed =
1213 le64_to_cpu(ql_iscsi_stats->iscsi_io_completed);
1214 host_stats->iscsi_unexpected_io_rx =
1215 le64_to_cpu(ql_iscsi_stats->iscsi_unexpected_io_rx);
1216 host_stats->iscsi_format_error =
1217 le64_to_cpu(ql_iscsi_stats->iscsi_format_error);
1218 host_stats->iscsi_hdr_digest_error =
1219 le64_to_cpu(ql_iscsi_stats->iscsi_hdr_digest_error);
1220 host_stats->iscsi_data_digest_error =
1221 le64_to_cpu(ql_iscsi_stats->iscsi_data_digest_error);
1222 host_stats->iscsi_sequence_error =
1223 le64_to_cpu(ql_iscsi_stats->iscsi_sequence_error);
1226 dma_free_coherent(&ha->pdev->dev, stats_size,
1227 ql_iscsi_stats, iscsi_stats_dma);
1229 ql4_printk(KERN_INFO, ha, "%s: Get host stats done\n",
1234 static int qla4xxx_get_iface_param(struct iscsi_iface *iface,
1235 enum iscsi_param_type param_type,
1236 int param, char *buf)
1238 struct Scsi_Host *shost = iscsi_iface_to_shost(iface);
1239 struct scsi_qla_host *ha = to_qla_host(shost);
1244 if (param_type == ISCSI_NET_PARAM) {
1246 case ISCSI_NET_PARAM_IPV4_ADDR:
1247 len = sprintf(buf, "%pI4\n", &ha->ip_config.ip_address);
1249 case ISCSI_NET_PARAM_IPV4_SUBNET:
1250 len = sprintf(buf, "%pI4\n",
1251 &ha->ip_config.subnet_mask);
1253 case ISCSI_NET_PARAM_IPV4_GW:
1254 len = sprintf(buf, "%pI4\n", &ha->ip_config.gateway);
1256 case ISCSI_NET_PARAM_IFACE_ENABLE:
1257 if (iface->iface_type == ISCSI_IFACE_TYPE_IPV4) {
1258 OP_STATE(ha->ip_config.ipv4_options,
1259 IPOPT_IPV4_PROTOCOL_ENABLE, pval);
1261 OP_STATE(ha->ip_config.ipv6_options,
1262 IPV6_OPT_IPV6_PROTOCOL_ENABLE, pval);
1265 len = sprintf(buf, "%s\n", pval);
1267 case ISCSI_NET_PARAM_IPV4_BOOTPROTO:
1268 len = sprintf(buf, "%s\n",
1269 (ha->ip_config.tcp_options &
1270 TCPOPT_DHCP_ENABLE) ?
1273 case ISCSI_NET_PARAM_IPV6_ADDR:
1274 if (iface->iface_num == 0)
1275 len = sprintf(buf, "%pI6\n",
1276 &ha->ip_config.ipv6_addr0);
1277 if (iface->iface_num == 1)
1278 len = sprintf(buf, "%pI6\n",
1279 &ha->ip_config.ipv6_addr1);
1281 case ISCSI_NET_PARAM_IPV6_LINKLOCAL:
1282 len = sprintf(buf, "%pI6\n",
1283 &ha->ip_config.ipv6_link_local_addr);
1285 case ISCSI_NET_PARAM_IPV6_ROUTER:
1286 len = sprintf(buf, "%pI6\n",
1287 &ha->ip_config.ipv6_default_router_addr);
1289 case ISCSI_NET_PARAM_IPV6_ADDR_AUTOCFG:
1290 pval = (ha->ip_config.ipv6_addl_options &
1291 IPV6_ADDOPT_NEIGHBOR_DISCOVERY_ADDR_ENABLE) ?
1294 len = sprintf(buf, "%s\n", pval);
1296 case ISCSI_NET_PARAM_IPV6_LINKLOCAL_AUTOCFG:
1297 pval = (ha->ip_config.ipv6_addl_options &
1298 IPV6_ADDOPT_AUTOCONFIG_LINK_LOCAL_ADDR) ?
1301 len = sprintf(buf, "%s\n", pval);
1303 case ISCSI_NET_PARAM_VLAN_ID:
1304 if (iface->iface_type == ISCSI_IFACE_TYPE_IPV4)
1305 ival = ha->ip_config.ipv4_vlan_tag &
1308 ival = ha->ip_config.ipv6_vlan_tag &
1311 len = sprintf(buf, "%d\n", ival);
1313 case ISCSI_NET_PARAM_VLAN_PRIORITY:
1314 if (iface->iface_type == ISCSI_IFACE_TYPE_IPV4)
1315 ival = (ha->ip_config.ipv4_vlan_tag >> 13) &
1316 ISCSI_MAX_VLAN_PRIORITY;
1318 ival = (ha->ip_config.ipv6_vlan_tag >> 13) &
1319 ISCSI_MAX_VLAN_PRIORITY;
1321 len = sprintf(buf, "%d\n", ival);
1323 case ISCSI_NET_PARAM_VLAN_ENABLED:
1324 if (iface->iface_type == ISCSI_IFACE_TYPE_IPV4) {
1325 OP_STATE(ha->ip_config.ipv4_options,
1326 IPOPT_VLAN_TAGGING_ENABLE, pval);
1328 OP_STATE(ha->ip_config.ipv6_options,
1329 IPV6_OPT_VLAN_TAGGING_ENABLE, pval);
1331 len = sprintf(buf, "%s\n", pval);
1333 case ISCSI_NET_PARAM_MTU:
1334 len = sprintf(buf, "%d\n", ha->ip_config.eth_mtu_size);
1336 case ISCSI_NET_PARAM_PORT:
1337 if (iface->iface_type == ISCSI_IFACE_TYPE_IPV4)
1338 len = sprintf(buf, "%d\n",
1339 ha->ip_config.ipv4_port);
1341 len = sprintf(buf, "%d\n",
1342 ha->ip_config.ipv6_port);
1344 case ISCSI_NET_PARAM_IPADDR_STATE:
1345 if (iface->iface_type == ISCSI_IFACE_TYPE_IPV4) {
1346 pval = iscsi_get_ipaddress_state_name(
1347 ha->ip_config.ipv4_addr_state);
1349 if (iface->iface_num == 0)
1350 pval = iscsi_get_ipaddress_state_name(
1351 ha->ip_config.ipv6_addr0_state);
1352 else if (iface->iface_num == 1)
1353 pval = iscsi_get_ipaddress_state_name(
1354 ha->ip_config.ipv6_addr1_state);
1357 len = sprintf(buf, "%s\n", pval);
1359 case ISCSI_NET_PARAM_IPV6_LINKLOCAL_STATE:
1360 pval = iscsi_get_ipaddress_state_name(
1361 ha->ip_config.ipv6_link_local_state);
1362 len = sprintf(buf, "%s\n", pval);
1364 case ISCSI_NET_PARAM_IPV6_ROUTER_STATE:
1365 pval = iscsi_get_router_state_name(
1366 ha->ip_config.ipv6_default_router_state);
1367 len = sprintf(buf, "%s\n", pval);
1369 case ISCSI_NET_PARAM_DELAYED_ACK_EN:
1370 if (iface->iface_type == ISCSI_IFACE_TYPE_IPV4) {
1371 OP_STATE(~ha->ip_config.tcp_options,
1372 TCPOPT_DELAYED_ACK_DISABLE, pval);
1374 OP_STATE(~ha->ip_config.ipv6_tcp_options,
1375 IPV6_TCPOPT_DELAYED_ACK_DISABLE, pval);
1377 len = sprintf(buf, "%s\n", pval);
1379 case ISCSI_NET_PARAM_TCP_NAGLE_DISABLE:
1380 if (iface->iface_type == ISCSI_IFACE_TYPE_IPV4) {
1381 OP_STATE(~ha->ip_config.tcp_options,
1382 TCPOPT_NAGLE_ALGO_DISABLE, pval);
1384 OP_STATE(~ha->ip_config.ipv6_tcp_options,
1385 IPV6_TCPOPT_NAGLE_ALGO_DISABLE, pval);
1387 len = sprintf(buf, "%s\n", pval);
1389 case ISCSI_NET_PARAM_TCP_WSF_DISABLE:
1390 if (iface->iface_type == ISCSI_IFACE_TYPE_IPV4) {
1391 OP_STATE(~ha->ip_config.tcp_options,
1392 TCPOPT_WINDOW_SCALE_DISABLE, pval);
1394 OP_STATE(~ha->ip_config.ipv6_tcp_options,
1395 IPV6_TCPOPT_WINDOW_SCALE_DISABLE,
1398 len = sprintf(buf, "%s\n", pval);
1400 case ISCSI_NET_PARAM_TCP_WSF:
1401 if (iface->iface_type == ISCSI_IFACE_TYPE_IPV4)
1402 len = sprintf(buf, "%d\n",
1403 ha->ip_config.tcp_wsf);
1405 len = sprintf(buf, "%d\n",
1406 ha->ip_config.ipv6_tcp_wsf);
1408 case ISCSI_NET_PARAM_TCP_TIMER_SCALE:
1409 if (iface->iface_type == ISCSI_IFACE_TYPE_IPV4)
1410 ival = (ha->ip_config.tcp_options &
1411 TCPOPT_TIMER_SCALE) >> 1;
1413 ival = (ha->ip_config.ipv6_tcp_options &
1414 IPV6_TCPOPT_TIMER_SCALE) >> 1;
1416 len = sprintf(buf, "%d\n", ival);
1418 case ISCSI_NET_PARAM_TCP_TIMESTAMP_EN:
1419 if (iface->iface_type == ISCSI_IFACE_TYPE_IPV4) {
1420 OP_STATE(ha->ip_config.tcp_options,
1421 TCPOPT_TIMESTAMP_ENABLE, pval);
1423 OP_STATE(ha->ip_config.ipv6_tcp_options,
1424 IPV6_TCPOPT_TIMESTAMP_EN, pval);
1426 len = sprintf(buf, "%s\n", pval);
1428 case ISCSI_NET_PARAM_CACHE_ID:
1429 if (iface->iface_type == ISCSI_IFACE_TYPE_IPV4)
1430 len = sprintf(buf, "%d\n",
1431 ha->ip_config.ipv4_cache_id);
1433 len = sprintf(buf, "%d\n",
1434 ha->ip_config.ipv6_cache_id);
1436 case ISCSI_NET_PARAM_IPV4_DHCP_DNS_ADDR_EN:
1437 OP_STATE(ha->ip_config.tcp_options,
1438 TCPOPT_DNS_SERVER_IP_EN, pval);
1440 len = sprintf(buf, "%s\n", pval);
1442 case ISCSI_NET_PARAM_IPV4_DHCP_SLP_DA_EN:
1443 OP_STATE(ha->ip_config.tcp_options,
1444 TCPOPT_SLP_DA_INFO_EN, pval);
1446 len = sprintf(buf, "%s\n", pval);
1448 case ISCSI_NET_PARAM_IPV4_TOS_EN:
1449 OP_STATE(ha->ip_config.ipv4_options,
1450 IPOPT_IPV4_TOS_EN, pval);
1452 len = sprintf(buf, "%s\n", pval);
1454 case ISCSI_NET_PARAM_IPV4_TOS:
1455 len = sprintf(buf, "%d\n", ha->ip_config.ipv4_tos);
1457 case ISCSI_NET_PARAM_IPV4_GRAT_ARP_EN:
1458 OP_STATE(ha->ip_config.ipv4_options,
1459 IPOPT_GRAT_ARP_EN, pval);
1461 len = sprintf(buf, "%s\n", pval);
1463 case ISCSI_NET_PARAM_IPV4_DHCP_ALT_CLIENT_ID_EN:
1464 OP_STATE(ha->ip_config.ipv4_options, IPOPT_ALT_CID_EN,
1467 len = sprintf(buf, "%s\n", pval);
1469 case ISCSI_NET_PARAM_IPV4_DHCP_ALT_CLIENT_ID:
1470 pval = (ha->ip_config.ipv4_alt_cid_len) ?
1471 (char *)ha->ip_config.ipv4_alt_cid : "";
1473 len = sprintf(buf, "%s\n", pval);
1475 case ISCSI_NET_PARAM_IPV4_DHCP_REQ_VENDOR_ID_EN:
1476 OP_STATE(ha->ip_config.ipv4_options,
1477 IPOPT_REQ_VID_EN, pval);
1479 len = sprintf(buf, "%s\n", pval);
1481 case ISCSI_NET_PARAM_IPV4_DHCP_USE_VENDOR_ID_EN:
1482 OP_STATE(ha->ip_config.ipv4_options,
1483 IPOPT_USE_VID_EN, pval);
1485 len = sprintf(buf, "%s\n", pval);
1487 case ISCSI_NET_PARAM_IPV4_DHCP_VENDOR_ID:
1488 pval = (ha->ip_config.ipv4_vid_len) ?
1489 (char *)ha->ip_config.ipv4_vid : "";
1491 len = sprintf(buf, "%s\n", pval);
1493 case ISCSI_NET_PARAM_IPV4_DHCP_LEARN_IQN_EN:
1494 OP_STATE(ha->ip_config.ipv4_options,
1495 IPOPT_LEARN_IQN_EN, pval);
1497 len = sprintf(buf, "%s\n", pval);
1499 case ISCSI_NET_PARAM_IPV4_FRAGMENT_DISABLE:
1500 OP_STATE(~ha->ip_config.ipv4_options,
1501 IPOPT_FRAGMENTATION_DISABLE, pval);
1503 len = sprintf(buf, "%s\n", pval);
1505 case ISCSI_NET_PARAM_IPV4_IN_FORWARD_EN:
1506 OP_STATE(ha->ip_config.ipv4_options,
1507 IPOPT_IN_FORWARD_EN, pval);
1509 len = sprintf(buf, "%s\n", pval);
1511 case ISCSI_NET_PARAM_REDIRECT_EN:
1512 if (iface->iface_type == ISCSI_IFACE_TYPE_IPV4) {
1513 OP_STATE(ha->ip_config.ipv4_options,
1514 IPOPT_ARP_REDIRECT_EN, pval);
1516 OP_STATE(ha->ip_config.ipv6_options,
1517 IPV6_OPT_REDIRECT_EN, pval);
1519 len = sprintf(buf, "%s\n", pval);
1521 case ISCSI_NET_PARAM_IPV4_TTL:
1522 len = sprintf(buf, "%d\n", ha->ip_config.ipv4_ttl);
1524 case ISCSI_NET_PARAM_IPV6_GRAT_NEIGHBOR_ADV_EN:
1525 OP_STATE(ha->ip_config.ipv6_options,
1526 IPV6_OPT_GRAT_NEIGHBOR_ADV_EN, pval);
1528 len = sprintf(buf, "%s\n", pval);
1530 case ISCSI_NET_PARAM_IPV6_MLD_EN:
1531 OP_STATE(ha->ip_config.ipv6_addl_options,
1532 IPV6_ADDOPT_MLD_EN, pval);
1534 len = sprintf(buf, "%s\n", pval);
1536 case ISCSI_NET_PARAM_IPV6_FLOW_LABEL:
1537 len = sprintf(buf, "%u\n", ha->ip_config.ipv6_flow_lbl);
1539 case ISCSI_NET_PARAM_IPV6_TRAFFIC_CLASS:
1540 len = sprintf(buf, "%d\n",
1541 ha->ip_config.ipv6_traffic_class);
1543 case ISCSI_NET_PARAM_IPV6_HOP_LIMIT:
1544 len = sprintf(buf, "%d\n",
1545 ha->ip_config.ipv6_hop_limit);
1547 case ISCSI_NET_PARAM_IPV6_ND_REACHABLE_TMO:
1548 len = sprintf(buf, "%d\n",
1549 ha->ip_config.ipv6_nd_reach_time);
1551 case ISCSI_NET_PARAM_IPV6_ND_REXMIT_TIME:
1552 len = sprintf(buf, "%d\n",
1553 ha->ip_config.ipv6_nd_rexmit_timer);
1555 case ISCSI_NET_PARAM_IPV6_ND_STALE_TMO:
1556 len = sprintf(buf, "%d\n",
1557 ha->ip_config.ipv6_nd_stale_timeout);
1559 case ISCSI_NET_PARAM_IPV6_DUP_ADDR_DETECT_CNT:
1560 len = sprintf(buf, "%d\n",
1561 ha->ip_config.ipv6_dup_addr_detect_count);
1563 case ISCSI_NET_PARAM_IPV6_RTR_ADV_LINK_MTU:
1564 len = sprintf(buf, "%d\n",
1565 ha->ip_config.ipv6_gw_advrt_mtu);
1570 } else if (param_type == ISCSI_IFACE_PARAM) {
1572 case ISCSI_IFACE_PARAM_DEF_TASKMGMT_TMO:
1573 len = sprintf(buf, "%d\n", ha->ip_config.def_timeout);
1575 case ISCSI_IFACE_PARAM_HDRDGST_EN:
1576 OP_STATE(ha->ip_config.iscsi_options,
1577 ISCSIOPTS_HEADER_DIGEST_EN, pval);
1579 len = sprintf(buf, "%s\n", pval);
1581 case ISCSI_IFACE_PARAM_DATADGST_EN:
1582 OP_STATE(ha->ip_config.iscsi_options,
1583 ISCSIOPTS_DATA_DIGEST_EN, pval);
1585 len = sprintf(buf, "%s\n", pval);
1587 case ISCSI_IFACE_PARAM_IMM_DATA_EN:
1588 OP_STATE(ha->ip_config.iscsi_options,
1589 ISCSIOPTS_IMMEDIATE_DATA_EN, pval);
1591 len = sprintf(buf, "%s\n", pval);
1593 case ISCSI_IFACE_PARAM_INITIAL_R2T_EN:
1594 OP_STATE(ha->ip_config.iscsi_options,
1595 ISCSIOPTS_INITIAL_R2T_EN, pval);
1597 len = sprintf(buf, "%s\n", pval);
1599 case ISCSI_IFACE_PARAM_DATASEQ_INORDER_EN:
1600 OP_STATE(ha->ip_config.iscsi_options,
1601 ISCSIOPTS_DATA_SEQ_INORDER_EN, pval);
1603 len = sprintf(buf, "%s\n", pval);
1605 case ISCSI_IFACE_PARAM_PDU_INORDER_EN:
1606 OP_STATE(ha->ip_config.iscsi_options,
1607 ISCSIOPTS_DATA_PDU_INORDER_EN, pval);
1609 len = sprintf(buf, "%s\n", pval);
1611 case ISCSI_IFACE_PARAM_ERL:
1612 len = sprintf(buf, "%d\n",
1613 (ha->ip_config.iscsi_options &
1616 case ISCSI_IFACE_PARAM_MAX_RECV_DLENGTH:
1617 len = sprintf(buf, "%u\n",
1618 ha->ip_config.iscsi_max_pdu_size *
1621 case ISCSI_IFACE_PARAM_FIRST_BURST:
1622 len = sprintf(buf, "%u\n",
1623 ha->ip_config.iscsi_first_burst_len *
1626 case ISCSI_IFACE_PARAM_MAX_R2T:
1627 len = sprintf(buf, "%d\n",
1628 ha->ip_config.iscsi_max_outstnd_r2t);
1630 case ISCSI_IFACE_PARAM_MAX_BURST:
1631 len = sprintf(buf, "%u\n",
1632 ha->ip_config.iscsi_max_burst_len *
1635 case ISCSI_IFACE_PARAM_CHAP_AUTH_EN:
1636 OP_STATE(ha->ip_config.iscsi_options,
1637 ISCSIOPTS_CHAP_AUTH_EN, pval);
1639 len = sprintf(buf, "%s\n", pval);
1641 case ISCSI_IFACE_PARAM_BIDI_CHAP_EN:
1642 OP_STATE(ha->ip_config.iscsi_options,
1643 ISCSIOPTS_BIDI_CHAP_EN, pval);
1645 len = sprintf(buf, "%s\n", pval);
1647 case ISCSI_IFACE_PARAM_DISCOVERY_AUTH_OPTIONAL:
1648 OP_STATE(ha->ip_config.iscsi_options,
1649 ISCSIOPTS_DISCOVERY_AUTH_EN, pval);
1651 len = sprintf(buf, "%s\n", pval);
1653 case ISCSI_IFACE_PARAM_DISCOVERY_LOGOUT_EN:
1654 OP_STATE(ha->ip_config.iscsi_options,
1655 ISCSIOPTS_DISCOVERY_LOGOUT_EN, pval);
1657 len = sprintf(buf, "%s\n", pval);
1659 case ISCSI_IFACE_PARAM_STRICT_LOGIN_COMP_EN:
1660 OP_STATE(ha->ip_config.iscsi_options,
1661 ISCSIOPTS_STRICT_LOGIN_COMP_EN, pval);
1663 len = sprintf(buf, "%s\n", pval);
1665 case ISCSI_IFACE_PARAM_INITIATOR_NAME:
1666 len = sprintf(buf, "%s\n", ha->ip_config.iscsi_name);
1676 static struct iscsi_endpoint *
1677 qla4xxx_ep_connect(struct Scsi_Host *shost, struct sockaddr *dst_addr,
1681 struct iscsi_endpoint *ep;
1682 struct qla_endpoint *qla_ep;
1683 struct scsi_qla_host *ha;
1684 struct sockaddr_in *addr;
1685 struct sockaddr_in6 *addr6;
1689 pr_err("%s: shost is NULL\n", __func__);
1690 return ERR_PTR(ret);
1693 ha = iscsi_host_priv(shost);
1694 ep = iscsi_create_endpoint(sizeof(struct qla_endpoint));
1697 return ERR_PTR(ret);
1700 qla_ep = ep->dd_data;
1701 memset(qla_ep, 0, sizeof(struct qla_endpoint));
1702 if (dst_addr->sa_family == AF_INET) {
1703 memcpy(&qla_ep->dst_addr, dst_addr, sizeof(struct sockaddr_in));
1704 addr = (struct sockaddr_in *)&qla_ep->dst_addr;
1705 DEBUG2(ql4_printk(KERN_INFO, ha, "%s: %pI4\n", __func__,
1706 (char *)&addr->sin_addr));
1707 } else if (dst_addr->sa_family == AF_INET6) {
1708 memcpy(&qla_ep->dst_addr, dst_addr,
1709 sizeof(struct sockaddr_in6));
1710 addr6 = (struct sockaddr_in6 *)&qla_ep->dst_addr;
1711 DEBUG2(ql4_printk(KERN_INFO, ha, "%s: %pI6\n", __func__,
1712 (char *)&addr6->sin6_addr));
1714 ql4_printk(KERN_WARNING, ha, "%s: Invalid endpoint\n",
1718 qla_ep->host = shost;
1723 static int qla4xxx_ep_poll(struct iscsi_endpoint *ep, int timeout_ms)
1725 struct qla_endpoint *qla_ep;
1726 struct scsi_qla_host *ha;
1729 qla_ep = ep->dd_data;
1730 ha = to_qla_host(qla_ep->host);
1731 DEBUG2(pr_info_ratelimited("%s: host: %ld\n", __func__, ha->host_no));
1733 if (adapter_up(ha) && !test_bit(AF_BUILD_DDB_LIST, &ha->flags))
1739 static void qla4xxx_ep_disconnect(struct iscsi_endpoint *ep)
1741 struct qla_endpoint *qla_ep;
1742 struct scsi_qla_host *ha;
1744 qla_ep = ep->dd_data;
1745 ha = to_qla_host(qla_ep->host);
1746 DEBUG2(ql4_printk(KERN_INFO, ha, "%s: host: %ld\n", __func__,
1748 iscsi_destroy_endpoint(ep);
1751 static int qla4xxx_get_ep_param(struct iscsi_endpoint *ep,
1752 enum iscsi_param param,
1755 struct qla_endpoint *qla_ep = ep->dd_data;
1756 struct sockaddr *dst_addr;
1757 struct scsi_qla_host *ha;
1762 ha = to_qla_host(qla_ep->host);
1763 DEBUG2(ql4_printk(KERN_INFO, ha, "%s: host: %ld\n", __func__,
1767 case ISCSI_PARAM_CONN_PORT:
1768 case ISCSI_PARAM_CONN_ADDRESS:
1769 dst_addr = (struct sockaddr *)&qla_ep->dst_addr;
1773 return iscsi_conn_get_addr_param((struct sockaddr_storage *)
1774 &qla_ep->dst_addr, param, buf);
1780 static void qla4xxx_conn_get_stats(struct iscsi_cls_conn *cls_conn,
1781 struct iscsi_stats *stats)
1783 struct iscsi_session *sess;
1784 struct iscsi_cls_session *cls_sess;
1785 struct ddb_entry *ddb_entry;
1786 struct scsi_qla_host *ha;
1787 struct ql_iscsi_stats *ql_iscsi_stats;
1790 dma_addr_t iscsi_stats_dma;
1792 cls_sess = iscsi_conn_to_session(cls_conn);
1793 sess = cls_sess->dd_data;
1794 ddb_entry = sess->dd_data;
1797 DEBUG2(ql4_printk(KERN_INFO, ha, "%s: host: %ld\n", __func__,
1799 stats_size = PAGE_ALIGN(sizeof(struct ql_iscsi_stats));
1800 /* Allocate memory */
1801 ql_iscsi_stats = dma_alloc_coherent(&ha->pdev->dev, stats_size,
1802 &iscsi_stats_dma, GFP_KERNEL);
1803 if (!ql_iscsi_stats) {
1804 ql4_printk(KERN_ERR, ha,
1805 "Unable to allocate memory for iscsi stats\n");
1806 goto exit_get_stats;
1809 ret = qla4xxx_get_mgmt_data(ha, ddb_entry->fw_ddb_index, stats_size,
1811 if (ret != QLA_SUCCESS) {
1812 ql4_printk(KERN_ERR, ha,
1813 "Unable to retrieve iscsi stats\n");
1818 stats->txdata_octets = le64_to_cpu(ql_iscsi_stats->tx_data_octets);
1819 stats->rxdata_octets = le64_to_cpu(ql_iscsi_stats->rx_data_octets);
1821 stats->noptx_pdus = le32_to_cpu(ql_iscsi_stats->tx_nopout_pdus);
1822 stats->scsicmd_pdus = le32_to_cpu(ql_iscsi_stats->tx_scsi_cmd_pdus);
1823 stats->tmfcmd_pdus = le32_to_cpu(ql_iscsi_stats->tx_tmf_cmd_pdus);
1824 stats->login_pdus = le32_to_cpu(ql_iscsi_stats->tx_login_cmd_pdus);
1825 stats->text_pdus = le32_to_cpu(ql_iscsi_stats->tx_text_cmd_pdus);
1826 stats->dataout_pdus = le32_to_cpu(ql_iscsi_stats->tx_scsi_write_pdus);
1827 stats->logout_pdus = le32_to_cpu(ql_iscsi_stats->tx_logout_cmd_pdus);
1828 stats->snack_pdus = le32_to_cpu(ql_iscsi_stats->tx_snack_req_pdus);
1830 stats->noprx_pdus = le32_to_cpu(ql_iscsi_stats->rx_nopin_pdus);
1831 stats->scsirsp_pdus = le32_to_cpu(ql_iscsi_stats->rx_scsi_resp_pdus);
1832 stats->tmfrsp_pdus = le32_to_cpu(ql_iscsi_stats->rx_tmf_resp_pdus);
1833 stats->textrsp_pdus = le32_to_cpu(ql_iscsi_stats->rx_text_resp_pdus);
1834 stats->datain_pdus = le32_to_cpu(ql_iscsi_stats->rx_scsi_read_pdus);
1835 stats->logoutrsp_pdus =
1836 le32_to_cpu(ql_iscsi_stats->rx_logout_resp_pdus);
1837 stats->r2t_pdus = le32_to_cpu(ql_iscsi_stats->rx_r2t_pdus);
1838 stats->async_pdus = le32_to_cpu(ql_iscsi_stats->rx_async_pdus);
1839 stats->rjt_pdus = le32_to_cpu(ql_iscsi_stats->rx_reject_pdus);
1842 dma_free_coherent(&ha->pdev->dev, stats_size, ql_iscsi_stats,
1848 static enum blk_eh_timer_return qla4xxx_eh_cmd_timed_out(struct scsi_cmnd *sc)
1850 struct iscsi_cls_session *session;
1851 struct iscsi_session *sess;
1852 unsigned long flags;
1853 enum blk_eh_timer_return ret = BLK_EH_NOT_HANDLED;
1855 session = starget_to_session(scsi_target(sc->device));
1856 sess = session->dd_data;
1858 spin_lock_irqsave(&session->lock, flags);
1859 if (session->state == ISCSI_SESSION_FAILED)
1860 ret = BLK_EH_RESET_TIMER;
1861 spin_unlock_irqrestore(&session->lock, flags);
1866 static void qla4xxx_set_port_speed(struct Scsi_Host *shost)
1868 struct scsi_qla_host *ha = to_qla_host(shost);
1869 struct iscsi_cls_host *ihost = shost->shost_data;
1870 uint32_t speed = ISCSI_PORT_SPEED_UNKNOWN;
1872 qla4xxx_get_firmware_state(ha);
1874 switch (ha->addl_fw_state & 0x0F00) {
1875 case FW_ADDSTATE_LINK_SPEED_10MBPS:
1876 speed = ISCSI_PORT_SPEED_10MBPS;
1878 case FW_ADDSTATE_LINK_SPEED_100MBPS:
1879 speed = ISCSI_PORT_SPEED_100MBPS;
1881 case FW_ADDSTATE_LINK_SPEED_1GBPS:
1882 speed = ISCSI_PORT_SPEED_1GBPS;
1884 case FW_ADDSTATE_LINK_SPEED_10GBPS:
1885 speed = ISCSI_PORT_SPEED_10GBPS;
1888 ihost->port_speed = speed;
1891 static void qla4xxx_set_port_state(struct Scsi_Host *shost)
1893 struct scsi_qla_host *ha = to_qla_host(shost);
1894 struct iscsi_cls_host *ihost = shost->shost_data;
1895 uint32_t state = ISCSI_PORT_STATE_DOWN;
1897 if (test_bit(AF_LINK_UP, &ha->flags))
1898 state = ISCSI_PORT_STATE_UP;
1900 ihost->port_state = state;
1903 static int qla4xxx_host_get_param(struct Scsi_Host *shost,
1904 enum iscsi_host_param param, char *buf)
1906 struct scsi_qla_host *ha = to_qla_host(shost);
1910 case ISCSI_HOST_PARAM_HWADDRESS:
1911 len = sysfs_format_mac(buf, ha->my_mac, MAC_ADDR_LEN);
1913 case ISCSI_HOST_PARAM_IPADDRESS:
1914 len = sprintf(buf, "%pI4\n", &ha->ip_config.ip_address);
1916 case ISCSI_HOST_PARAM_INITIATOR_NAME:
1917 len = sprintf(buf, "%s\n", ha->name_string);
1919 case ISCSI_HOST_PARAM_PORT_STATE:
1920 qla4xxx_set_port_state(shost);
1921 len = sprintf(buf, "%s\n", iscsi_get_port_state_name(shost));
1923 case ISCSI_HOST_PARAM_PORT_SPEED:
1924 qla4xxx_set_port_speed(shost);
1925 len = sprintf(buf, "%s\n", iscsi_get_port_speed_name(shost));
1934 static void qla4xxx_create_ipv4_iface(struct scsi_qla_host *ha)
1940 ha->iface_ipv4 = iscsi_create_iface(ha->host,
1941 &qla4xxx_iscsi_transport,
1942 ISCSI_IFACE_TYPE_IPV4, 0, 0);
1943 if (!ha->iface_ipv4)
1944 ql4_printk(KERN_ERR, ha, "Could not create IPv4 iSCSI "
1948 static void qla4xxx_create_ipv6_iface(struct scsi_qla_host *ha)
1950 if (!ha->iface_ipv6_0)
1952 ha->iface_ipv6_0 = iscsi_create_iface(ha->host,
1953 &qla4xxx_iscsi_transport,
1954 ISCSI_IFACE_TYPE_IPV6, 0,
1956 if (!ha->iface_ipv6_0)
1957 ql4_printk(KERN_ERR, ha, "Could not create IPv6 iSCSI "
1960 if (!ha->iface_ipv6_1)
1962 ha->iface_ipv6_1 = iscsi_create_iface(ha->host,
1963 &qla4xxx_iscsi_transport,
1964 ISCSI_IFACE_TYPE_IPV6, 1,
1966 if (!ha->iface_ipv6_1)
1967 ql4_printk(KERN_ERR, ha, "Could not create IPv6 iSCSI "
1971 static void qla4xxx_create_ifaces(struct scsi_qla_host *ha)
1973 if (ha->ip_config.ipv4_options & IPOPT_IPV4_PROTOCOL_ENABLE)
1974 qla4xxx_create_ipv4_iface(ha);
1976 if (ha->ip_config.ipv6_options & IPV6_OPT_IPV6_PROTOCOL_ENABLE)
1977 qla4xxx_create_ipv6_iface(ha);
1980 static void qla4xxx_destroy_ipv4_iface(struct scsi_qla_host *ha)
1982 if (ha->iface_ipv4) {
1983 iscsi_destroy_iface(ha->iface_ipv4);
1984 ha->iface_ipv4 = NULL;
1988 static void qla4xxx_destroy_ipv6_iface(struct scsi_qla_host *ha)
1990 if (ha->iface_ipv6_0) {
1991 iscsi_destroy_iface(ha->iface_ipv6_0);
1992 ha->iface_ipv6_0 = NULL;
1994 if (ha->iface_ipv6_1) {
1995 iscsi_destroy_iface(ha->iface_ipv6_1);
1996 ha->iface_ipv6_1 = NULL;
2000 static void qla4xxx_destroy_ifaces(struct scsi_qla_host *ha)
2002 qla4xxx_destroy_ipv4_iface(ha);
2003 qla4xxx_destroy_ipv6_iface(ha);
2006 static void qla4xxx_set_ipv6(struct scsi_qla_host *ha,
2007 struct iscsi_iface_param_info *iface_param,
2008 struct addr_ctrl_blk *init_fw_cb)
2011 * iface_num 0 is valid for IPv6 Addr, linklocal, router, autocfg.
2012 * iface_num 1 is valid only for IPv6 Addr.
2014 switch (iface_param->param) {
2015 case ISCSI_NET_PARAM_IPV6_ADDR:
2016 if (iface_param->iface_num & 0x1)
2018 memcpy(init_fw_cb->ipv6_addr1, iface_param->value,
2019 sizeof(init_fw_cb->ipv6_addr1));
2022 memcpy(init_fw_cb->ipv6_addr0, iface_param->value,
2023 sizeof(init_fw_cb->ipv6_addr0));
2025 case ISCSI_NET_PARAM_IPV6_LINKLOCAL:
2026 if (iface_param->iface_num & 0x1)
2028 memcpy(init_fw_cb->ipv6_if_id, &iface_param->value[8],
2029 sizeof(init_fw_cb->ipv6_if_id));
2031 case ISCSI_NET_PARAM_IPV6_ROUTER:
2032 if (iface_param->iface_num & 0x1)
2034 memcpy(init_fw_cb->ipv6_dflt_rtr_addr, iface_param->value,
2035 sizeof(init_fw_cb->ipv6_dflt_rtr_addr));
2037 case ISCSI_NET_PARAM_IPV6_ADDR_AUTOCFG:
2038 /* Autocfg applies to even interface */
2039 if (iface_param->iface_num & 0x1)
2042 if (iface_param->value[0] == ISCSI_IPV6_AUTOCFG_DISABLE)
2043 init_fw_cb->ipv6_addtl_opts &=
2045 ~IPV6_ADDOPT_NEIGHBOR_DISCOVERY_ADDR_ENABLE);
2046 else if (iface_param->value[0] == ISCSI_IPV6_AUTOCFG_ND_ENABLE)
2047 init_fw_cb->ipv6_addtl_opts |=
2049 IPV6_ADDOPT_NEIGHBOR_DISCOVERY_ADDR_ENABLE);
2051 ql4_printk(KERN_ERR, ha,
2052 "Invalid autocfg setting for IPv6 addr\n");
2054 case ISCSI_NET_PARAM_IPV6_LINKLOCAL_AUTOCFG:
2055 /* Autocfg applies to even interface */
2056 if (iface_param->iface_num & 0x1)
2059 if (iface_param->value[0] ==
2060 ISCSI_IPV6_LINKLOCAL_AUTOCFG_ENABLE)
2061 init_fw_cb->ipv6_addtl_opts |= cpu_to_le16(
2062 IPV6_ADDOPT_AUTOCONFIG_LINK_LOCAL_ADDR);
2063 else if (iface_param->value[0] ==
2064 ISCSI_IPV6_LINKLOCAL_AUTOCFG_DISABLE)
2065 init_fw_cb->ipv6_addtl_opts &= cpu_to_le16(
2066 ~IPV6_ADDOPT_AUTOCONFIG_LINK_LOCAL_ADDR);
2068 ql4_printk(KERN_ERR, ha,
2069 "Invalid autocfg setting for IPv6 linklocal addr\n");
2071 case ISCSI_NET_PARAM_IPV6_ROUTER_AUTOCFG:
2072 /* Autocfg applies to even interface */
2073 if (iface_param->iface_num & 0x1)
2076 if (iface_param->value[0] == ISCSI_IPV6_ROUTER_AUTOCFG_ENABLE)
2077 memset(init_fw_cb->ipv6_dflt_rtr_addr, 0,
2078 sizeof(init_fw_cb->ipv6_dflt_rtr_addr));
2080 case ISCSI_NET_PARAM_IFACE_ENABLE:
2081 if (iface_param->value[0] == ISCSI_IFACE_ENABLE) {
2082 init_fw_cb->ipv6_opts |=
2083 cpu_to_le16(IPV6_OPT_IPV6_PROTOCOL_ENABLE);
2084 qla4xxx_create_ipv6_iface(ha);
2086 init_fw_cb->ipv6_opts &=
2087 cpu_to_le16(~IPV6_OPT_IPV6_PROTOCOL_ENABLE &
2089 qla4xxx_destroy_ipv6_iface(ha);
2092 case ISCSI_NET_PARAM_VLAN_TAG:
2093 if (iface_param->len != sizeof(init_fw_cb->ipv6_vlan_tag))
2095 init_fw_cb->ipv6_vlan_tag =
2096 cpu_to_be16(*(uint16_t *)iface_param->value);
2098 case ISCSI_NET_PARAM_VLAN_ENABLED:
2099 if (iface_param->value[0] == ISCSI_VLAN_ENABLE)
2100 init_fw_cb->ipv6_opts |=
2101 cpu_to_le16(IPV6_OPT_VLAN_TAGGING_ENABLE);
2103 init_fw_cb->ipv6_opts &=
2104 cpu_to_le16(~IPV6_OPT_VLAN_TAGGING_ENABLE);
2106 case ISCSI_NET_PARAM_MTU:
2107 init_fw_cb->eth_mtu_size =
2108 cpu_to_le16(*(uint16_t *)iface_param->value);
2110 case ISCSI_NET_PARAM_PORT:
2111 /* Autocfg applies to even interface */
2112 if (iface_param->iface_num & 0x1)
2115 init_fw_cb->ipv6_port =
2116 cpu_to_le16(*(uint16_t *)iface_param->value);
2118 case ISCSI_NET_PARAM_DELAYED_ACK_EN:
2119 if (iface_param->iface_num & 0x1)
2121 if (iface_param->value[0] == ISCSI_NET_PARAM_DISABLE)
2122 init_fw_cb->ipv6_tcp_opts |=
2123 cpu_to_le16(IPV6_TCPOPT_DELAYED_ACK_DISABLE);
2125 init_fw_cb->ipv6_tcp_opts &=
2126 cpu_to_le16(~IPV6_TCPOPT_DELAYED_ACK_DISABLE &
2129 case ISCSI_NET_PARAM_TCP_NAGLE_DISABLE:
2130 if (iface_param->iface_num & 0x1)
2132 if (iface_param->value[0] == ISCSI_NET_PARAM_DISABLE)
2133 init_fw_cb->ipv6_tcp_opts |=
2134 cpu_to_le16(IPV6_TCPOPT_NAGLE_ALGO_DISABLE);
2136 init_fw_cb->ipv6_tcp_opts &=
2137 cpu_to_le16(~IPV6_TCPOPT_NAGLE_ALGO_DISABLE);
2139 case ISCSI_NET_PARAM_TCP_WSF_DISABLE:
2140 if (iface_param->iface_num & 0x1)
2142 if (iface_param->value[0] == ISCSI_NET_PARAM_DISABLE)
2143 init_fw_cb->ipv6_tcp_opts |=
2144 cpu_to_le16(IPV6_TCPOPT_WINDOW_SCALE_DISABLE);
2146 init_fw_cb->ipv6_tcp_opts &=
2147 cpu_to_le16(~IPV6_TCPOPT_WINDOW_SCALE_DISABLE);
2149 case ISCSI_NET_PARAM_TCP_WSF:
2150 if (iface_param->iface_num & 0x1)
2152 init_fw_cb->ipv6_tcp_wsf = iface_param->value[0];
2154 case ISCSI_NET_PARAM_TCP_TIMER_SCALE:
2155 if (iface_param->iface_num & 0x1)
2157 init_fw_cb->ipv6_tcp_opts &=
2158 cpu_to_le16(~IPV6_TCPOPT_TIMER_SCALE);
2159 init_fw_cb->ipv6_tcp_opts |=
2160 cpu_to_le16((iface_param->value[0] << 1) &
2161 IPV6_TCPOPT_TIMER_SCALE);
2163 case ISCSI_NET_PARAM_TCP_TIMESTAMP_EN:
2164 if (iface_param->iface_num & 0x1)
2166 if (iface_param->value[0] == ISCSI_NET_PARAM_ENABLE)
2167 init_fw_cb->ipv6_tcp_opts |=
2168 cpu_to_le16(IPV6_TCPOPT_TIMESTAMP_EN);
2170 init_fw_cb->ipv6_tcp_opts &=
2171 cpu_to_le16(~IPV6_TCPOPT_TIMESTAMP_EN);
2173 case ISCSI_NET_PARAM_IPV6_GRAT_NEIGHBOR_ADV_EN:
2174 if (iface_param->iface_num & 0x1)
2176 if (iface_param->value[0] == ISCSI_NET_PARAM_ENABLE)
2177 init_fw_cb->ipv6_opts |=
2178 cpu_to_le16(IPV6_OPT_GRAT_NEIGHBOR_ADV_EN);
2180 init_fw_cb->ipv6_opts &=
2181 cpu_to_le16(~IPV6_OPT_GRAT_NEIGHBOR_ADV_EN);
2183 case ISCSI_NET_PARAM_REDIRECT_EN:
2184 if (iface_param->iface_num & 0x1)
2186 if (iface_param->value[0] == ISCSI_NET_PARAM_ENABLE)
2187 init_fw_cb->ipv6_opts |=
2188 cpu_to_le16(IPV6_OPT_REDIRECT_EN);
2190 init_fw_cb->ipv6_opts &=
2191 cpu_to_le16(~IPV6_OPT_REDIRECT_EN);
2193 case ISCSI_NET_PARAM_IPV6_MLD_EN:
2194 if (iface_param->iface_num & 0x1)
2196 if (iface_param->value[0] == ISCSI_NET_PARAM_ENABLE)
2197 init_fw_cb->ipv6_addtl_opts |=
2198 cpu_to_le16(IPV6_ADDOPT_MLD_EN);
2200 init_fw_cb->ipv6_addtl_opts &=
2201 cpu_to_le16(~IPV6_ADDOPT_MLD_EN);
2203 case ISCSI_NET_PARAM_IPV6_FLOW_LABEL:
2204 if (iface_param->iface_num & 0x1)
2206 init_fw_cb->ipv6_flow_lbl =
2207 cpu_to_le16(*(uint16_t *)iface_param->value);
2209 case ISCSI_NET_PARAM_IPV6_TRAFFIC_CLASS:
2210 if (iface_param->iface_num & 0x1)
2212 init_fw_cb->ipv6_traffic_class = iface_param->value[0];
2214 case ISCSI_NET_PARAM_IPV6_HOP_LIMIT:
2215 if (iface_param->iface_num & 0x1)
2217 init_fw_cb->ipv6_hop_limit = iface_param->value[0];
2219 case ISCSI_NET_PARAM_IPV6_ND_REACHABLE_TMO:
2220 if (iface_param->iface_num & 0x1)
2222 init_fw_cb->ipv6_nd_reach_time =
2223 cpu_to_le32(*(uint32_t *)iface_param->value);
2225 case ISCSI_NET_PARAM_IPV6_ND_REXMIT_TIME:
2226 if (iface_param->iface_num & 0x1)
2228 init_fw_cb->ipv6_nd_rexmit_timer =
2229 cpu_to_le32(*(uint32_t *)iface_param->value);
2231 case ISCSI_NET_PARAM_IPV6_ND_STALE_TMO:
2232 if (iface_param->iface_num & 0x1)
2234 init_fw_cb->ipv6_nd_stale_timeout =
2235 cpu_to_le32(*(uint32_t *)iface_param->value);
2237 case ISCSI_NET_PARAM_IPV6_DUP_ADDR_DETECT_CNT:
2238 if (iface_param->iface_num & 0x1)
2240 init_fw_cb->ipv6_dup_addr_detect_count = iface_param->value[0];
2242 case ISCSI_NET_PARAM_IPV6_RTR_ADV_LINK_MTU:
2243 if (iface_param->iface_num & 0x1)
2245 init_fw_cb->ipv6_gw_advrt_mtu =
2246 cpu_to_le32(*(uint32_t *)iface_param->value);
2249 ql4_printk(KERN_ERR, ha, "Unknown IPv6 param = %d\n",
2250 iface_param->param);
2255 static void qla4xxx_set_ipv4(struct scsi_qla_host *ha,
2256 struct iscsi_iface_param_info *iface_param,
2257 struct addr_ctrl_blk *init_fw_cb)
2259 switch (iface_param->param) {
2260 case ISCSI_NET_PARAM_IPV4_ADDR:
2261 memcpy(init_fw_cb->ipv4_addr, iface_param->value,
2262 sizeof(init_fw_cb->ipv4_addr));
2264 case ISCSI_NET_PARAM_IPV4_SUBNET:
2265 memcpy(init_fw_cb->ipv4_subnet, iface_param->value,
2266 sizeof(init_fw_cb->ipv4_subnet));
2268 case ISCSI_NET_PARAM_IPV4_GW:
2269 memcpy(init_fw_cb->ipv4_gw_addr, iface_param->value,
2270 sizeof(init_fw_cb->ipv4_gw_addr));
2272 case ISCSI_NET_PARAM_IPV4_BOOTPROTO:
2273 if (iface_param->value[0] == ISCSI_BOOTPROTO_DHCP)
2274 init_fw_cb->ipv4_tcp_opts |=
2275 cpu_to_le16(TCPOPT_DHCP_ENABLE);
2276 else if (iface_param->value[0] == ISCSI_BOOTPROTO_STATIC)
2277 init_fw_cb->ipv4_tcp_opts &=
2278 cpu_to_le16(~TCPOPT_DHCP_ENABLE);
2280 ql4_printk(KERN_ERR, ha, "Invalid IPv4 bootproto\n");
2282 case ISCSI_NET_PARAM_IFACE_ENABLE:
2283 if (iface_param->value[0] == ISCSI_IFACE_ENABLE) {
2284 init_fw_cb->ipv4_ip_opts |=
2285 cpu_to_le16(IPOPT_IPV4_PROTOCOL_ENABLE);
2286 qla4xxx_create_ipv4_iface(ha);
2288 init_fw_cb->ipv4_ip_opts &=
2289 cpu_to_le16(~IPOPT_IPV4_PROTOCOL_ENABLE &
2291 qla4xxx_destroy_ipv4_iface(ha);
2294 case ISCSI_NET_PARAM_VLAN_TAG:
2295 if (iface_param->len != sizeof(init_fw_cb->ipv4_vlan_tag))
2297 init_fw_cb->ipv4_vlan_tag =
2298 cpu_to_be16(*(uint16_t *)iface_param->value);
2300 case ISCSI_NET_PARAM_VLAN_ENABLED:
2301 if (iface_param->value[0] == ISCSI_VLAN_ENABLE)
2302 init_fw_cb->ipv4_ip_opts |=
2303 cpu_to_le16(IPOPT_VLAN_TAGGING_ENABLE);
2305 init_fw_cb->ipv4_ip_opts &=
2306 cpu_to_le16(~IPOPT_VLAN_TAGGING_ENABLE);
2308 case ISCSI_NET_PARAM_MTU:
2309 init_fw_cb->eth_mtu_size =
2310 cpu_to_le16(*(uint16_t *)iface_param->value);
2312 case ISCSI_NET_PARAM_PORT:
2313 init_fw_cb->ipv4_port =
2314 cpu_to_le16(*(uint16_t *)iface_param->value);
2316 case ISCSI_NET_PARAM_DELAYED_ACK_EN:
2317 if (iface_param->iface_num & 0x1)
2319 if (iface_param->value[0] == ISCSI_NET_PARAM_DISABLE)
2320 init_fw_cb->ipv4_tcp_opts |=
2321 cpu_to_le16(TCPOPT_DELAYED_ACK_DISABLE);
2323 init_fw_cb->ipv4_tcp_opts &=
2324 cpu_to_le16(~TCPOPT_DELAYED_ACK_DISABLE &
2327 case ISCSI_NET_PARAM_TCP_NAGLE_DISABLE:
2328 if (iface_param->iface_num & 0x1)
2330 if (iface_param->value[0] == ISCSI_NET_PARAM_DISABLE)
2331 init_fw_cb->ipv4_tcp_opts |=
2332 cpu_to_le16(TCPOPT_NAGLE_ALGO_DISABLE);
2334 init_fw_cb->ipv4_tcp_opts &=
2335 cpu_to_le16(~TCPOPT_NAGLE_ALGO_DISABLE);
2337 case ISCSI_NET_PARAM_TCP_WSF_DISABLE:
2338 if (iface_param->iface_num & 0x1)
2340 if (iface_param->value[0] == ISCSI_NET_PARAM_DISABLE)
2341 init_fw_cb->ipv4_tcp_opts |=
2342 cpu_to_le16(TCPOPT_WINDOW_SCALE_DISABLE);
2344 init_fw_cb->ipv4_tcp_opts &=
2345 cpu_to_le16(~TCPOPT_WINDOW_SCALE_DISABLE);
2347 case ISCSI_NET_PARAM_TCP_WSF:
2348 if (iface_param->iface_num & 0x1)
2350 init_fw_cb->ipv4_tcp_wsf = iface_param->value[0];
2352 case ISCSI_NET_PARAM_TCP_TIMER_SCALE:
2353 if (iface_param->iface_num & 0x1)
2355 init_fw_cb->ipv4_tcp_opts &= cpu_to_le16(~TCPOPT_TIMER_SCALE);
2356 init_fw_cb->ipv4_tcp_opts |=
2357 cpu_to_le16((iface_param->value[0] << 1) &
2358 TCPOPT_TIMER_SCALE);
2360 case ISCSI_NET_PARAM_TCP_TIMESTAMP_EN:
2361 if (iface_param->iface_num & 0x1)
2363 if (iface_param->value[0] == ISCSI_NET_PARAM_ENABLE)
2364 init_fw_cb->ipv4_tcp_opts |=
2365 cpu_to_le16(TCPOPT_TIMESTAMP_ENABLE);
2367 init_fw_cb->ipv4_tcp_opts &=
2368 cpu_to_le16(~TCPOPT_TIMESTAMP_ENABLE);
2370 case ISCSI_NET_PARAM_IPV4_DHCP_DNS_ADDR_EN:
2371 if (iface_param->iface_num & 0x1)
2373 if (iface_param->value[0] == ISCSI_NET_PARAM_ENABLE)
2374 init_fw_cb->ipv4_tcp_opts |=
2375 cpu_to_le16(TCPOPT_DNS_SERVER_IP_EN);
2377 init_fw_cb->ipv4_tcp_opts &=
2378 cpu_to_le16(~TCPOPT_DNS_SERVER_IP_EN);
2380 case ISCSI_NET_PARAM_IPV4_DHCP_SLP_DA_EN:
2381 if (iface_param->iface_num & 0x1)
2383 if (iface_param->value[0] == ISCSI_NET_PARAM_ENABLE)
2384 init_fw_cb->ipv4_tcp_opts |=
2385 cpu_to_le16(TCPOPT_SLP_DA_INFO_EN);
2387 init_fw_cb->ipv4_tcp_opts &=
2388 cpu_to_le16(~TCPOPT_SLP_DA_INFO_EN);
2390 case ISCSI_NET_PARAM_IPV4_TOS_EN:
2391 if (iface_param->iface_num & 0x1)
2393 if (iface_param->value[0] == ISCSI_NET_PARAM_ENABLE)
2394 init_fw_cb->ipv4_ip_opts |=
2395 cpu_to_le16(IPOPT_IPV4_TOS_EN);
2397 init_fw_cb->ipv4_ip_opts &=
2398 cpu_to_le16(~IPOPT_IPV4_TOS_EN);
2400 case ISCSI_NET_PARAM_IPV4_TOS:
2401 if (iface_param->iface_num & 0x1)
2403 init_fw_cb->ipv4_tos = iface_param->value[0];
2405 case ISCSI_NET_PARAM_IPV4_GRAT_ARP_EN:
2406 if (iface_param->iface_num & 0x1)
2408 if (iface_param->value[0] == ISCSI_NET_PARAM_ENABLE)
2409 init_fw_cb->ipv4_ip_opts |=
2410 cpu_to_le16(IPOPT_GRAT_ARP_EN);
2412 init_fw_cb->ipv4_ip_opts &=
2413 cpu_to_le16(~IPOPT_GRAT_ARP_EN);
2415 case ISCSI_NET_PARAM_IPV4_DHCP_ALT_CLIENT_ID_EN:
2416 if (iface_param->iface_num & 0x1)
2418 if (iface_param->value[0] == ISCSI_NET_PARAM_ENABLE)
2419 init_fw_cb->ipv4_ip_opts |=
2420 cpu_to_le16(IPOPT_ALT_CID_EN);
2422 init_fw_cb->ipv4_ip_opts &=
2423 cpu_to_le16(~IPOPT_ALT_CID_EN);
2425 case ISCSI_NET_PARAM_IPV4_DHCP_ALT_CLIENT_ID:
2426 if (iface_param->iface_num & 0x1)
2428 memcpy(init_fw_cb->ipv4_dhcp_alt_cid, iface_param->value,
2429 (sizeof(init_fw_cb->ipv4_dhcp_alt_cid) - 1));
2430 init_fw_cb->ipv4_dhcp_alt_cid_len =
2431 strlen(init_fw_cb->ipv4_dhcp_alt_cid);
2433 case ISCSI_NET_PARAM_IPV4_DHCP_REQ_VENDOR_ID_EN:
2434 if (iface_param->iface_num & 0x1)
2436 if (iface_param->value[0] == ISCSI_NET_PARAM_ENABLE)
2437 init_fw_cb->ipv4_ip_opts |=
2438 cpu_to_le16(IPOPT_REQ_VID_EN);
2440 init_fw_cb->ipv4_ip_opts &=
2441 cpu_to_le16(~IPOPT_REQ_VID_EN);
2443 case ISCSI_NET_PARAM_IPV4_DHCP_USE_VENDOR_ID_EN:
2444 if (iface_param->iface_num & 0x1)
2446 if (iface_param->value[0] == ISCSI_NET_PARAM_ENABLE)
2447 init_fw_cb->ipv4_ip_opts |=
2448 cpu_to_le16(IPOPT_USE_VID_EN);
2450 init_fw_cb->ipv4_ip_opts &=
2451 cpu_to_le16(~IPOPT_USE_VID_EN);
2453 case ISCSI_NET_PARAM_IPV4_DHCP_VENDOR_ID:
2454 if (iface_param->iface_num & 0x1)
2456 memcpy(init_fw_cb->ipv4_dhcp_vid, iface_param->value,
2457 (sizeof(init_fw_cb->ipv4_dhcp_vid) - 1));
2458 init_fw_cb->ipv4_dhcp_vid_len =
2459 strlen(init_fw_cb->ipv4_dhcp_vid);
2461 case ISCSI_NET_PARAM_IPV4_DHCP_LEARN_IQN_EN:
2462 if (iface_param->iface_num & 0x1)
2464 if (iface_param->value[0] == ISCSI_NET_PARAM_ENABLE)
2465 init_fw_cb->ipv4_ip_opts |=
2466 cpu_to_le16(IPOPT_LEARN_IQN_EN);
2468 init_fw_cb->ipv4_ip_opts &=
2469 cpu_to_le16(~IPOPT_LEARN_IQN_EN);
2471 case ISCSI_NET_PARAM_IPV4_FRAGMENT_DISABLE:
2472 if (iface_param->iface_num & 0x1)
2474 if (iface_param->value[0] == ISCSI_NET_PARAM_DISABLE)
2475 init_fw_cb->ipv4_ip_opts |=
2476 cpu_to_le16(IPOPT_FRAGMENTATION_DISABLE);
2478 init_fw_cb->ipv4_ip_opts &=
2479 cpu_to_le16(~IPOPT_FRAGMENTATION_DISABLE);
2481 case ISCSI_NET_PARAM_IPV4_IN_FORWARD_EN:
2482 if (iface_param->iface_num & 0x1)
2484 if (iface_param->value[0] == ISCSI_NET_PARAM_ENABLE)
2485 init_fw_cb->ipv4_ip_opts |=
2486 cpu_to_le16(IPOPT_IN_FORWARD_EN);
2488 init_fw_cb->ipv4_ip_opts &=
2489 cpu_to_le16(~IPOPT_IN_FORWARD_EN);
2491 case ISCSI_NET_PARAM_REDIRECT_EN:
2492 if (iface_param->iface_num & 0x1)
2494 if (iface_param->value[0] == ISCSI_NET_PARAM_ENABLE)
2495 init_fw_cb->ipv4_ip_opts |=
2496 cpu_to_le16(IPOPT_ARP_REDIRECT_EN);
2498 init_fw_cb->ipv4_ip_opts &=
2499 cpu_to_le16(~IPOPT_ARP_REDIRECT_EN);
2501 case ISCSI_NET_PARAM_IPV4_TTL:
2502 if (iface_param->iface_num & 0x1)
2504 init_fw_cb->ipv4_ttl = iface_param->value[0];
2507 ql4_printk(KERN_ERR, ha, "Unknown IPv4 param = %d\n",
2508 iface_param->param);
2513 static void qla4xxx_set_iscsi_param(struct scsi_qla_host *ha,
2514 struct iscsi_iface_param_info *iface_param,
2515 struct addr_ctrl_blk *init_fw_cb)
2517 switch (iface_param->param) {
2518 case ISCSI_IFACE_PARAM_DEF_TASKMGMT_TMO:
2519 if (iface_param->iface_num & 0x1)
2521 init_fw_cb->def_timeout =
2522 cpu_to_le16(*(uint16_t *)iface_param->value);
2524 case ISCSI_IFACE_PARAM_HDRDGST_EN:
2525 if (iface_param->iface_num & 0x1)
2527 if (iface_param->value[0] == ISCSI_NET_PARAM_ENABLE)
2528 init_fw_cb->iscsi_opts |=
2529 cpu_to_le16(ISCSIOPTS_HEADER_DIGEST_EN);
2531 init_fw_cb->iscsi_opts &=
2532 cpu_to_le16(~ISCSIOPTS_HEADER_DIGEST_EN);
2534 case ISCSI_IFACE_PARAM_DATADGST_EN:
2535 if (iface_param->iface_num & 0x1)
2537 if (iface_param->value[0] == ISCSI_NET_PARAM_ENABLE)
2538 init_fw_cb->iscsi_opts |=
2539 cpu_to_le16(ISCSIOPTS_DATA_DIGEST_EN);
2541 init_fw_cb->iscsi_opts &=
2542 cpu_to_le16(~ISCSIOPTS_DATA_DIGEST_EN);
2544 case ISCSI_IFACE_PARAM_IMM_DATA_EN:
2545 if (iface_param->iface_num & 0x1)
2547 if (iface_param->value[0] == ISCSI_NET_PARAM_ENABLE)
2548 init_fw_cb->iscsi_opts |=
2549 cpu_to_le16(ISCSIOPTS_IMMEDIATE_DATA_EN);
2551 init_fw_cb->iscsi_opts &=
2552 cpu_to_le16(~ISCSIOPTS_IMMEDIATE_DATA_EN);
2554 case ISCSI_IFACE_PARAM_INITIAL_R2T_EN:
2555 if (iface_param->iface_num & 0x1)
2557 if (iface_param->value[0] == ISCSI_NET_PARAM_ENABLE)
2558 init_fw_cb->iscsi_opts |=
2559 cpu_to_le16(ISCSIOPTS_INITIAL_R2T_EN);
2561 init_fw_cb->iscsi_opts &=
2562 cpu_to_le16(~ISCSIOPTS_INITIAL_R2T_EN);
2564 case ISCSI_IFACE_PARAM_DATASEQ_INORDER_EN:
2565 if (iface_param->iface_num & 0x1)
2567 if (iface_param->value[0] == ISCSI_NET_PARAM_ENABLE)
2568 init_fw_cb->iscsi_opts |=
2569 cpu_to_le16(ISCSIOPTS_DATA_SEQ_INORDER_EN);
2571 init_fw_cb->iscsi_opts &=
2572 cpu_to_le16(~ISCSIOPTS_DATA_SEQ_INORDER_EN);
2574 case ISCSI_IFACE_PARAM_PDU_INORDER_EN:
2575 if (iface_param->iface_num & 0x1)
2577 if (iface_param->value[0] == ISCSI_NET_PARAM_ENABLE)
2578 init_fw_cb->iscsi_opts |=
2579 cpu_to_le16(ISCSIOPTS_DATA_PDU_INORDER_EN);
2581 init_fw_cb->iscsi_opts &=
2582 cpu_to_le16(~ISCSIOPTS_DATA_PDU_INORDER_EN);
2584 case ISCSI_IFACE_PARAM_ERL:
2585 if (iface_param->iface_num & 0x1)
2587 init_fw_cb->iscsi_opts &= cpu_to_le16(~ISCSIOPTS_ERL);
2588 init_fw_cb->iscsi_opts |= cpu_to_le16(iface_param->value[0] &
2591 case ISCSI_IFACE_PARAM_MAX_RECV_DLENGTH:
2592 if (iface_param->iface_num & 0x1)
2594 init_fw_cb->iscsi_max_pdu_size =
2595 cpu_to_le32(*(uint32_t *)iface_param->value) /
2598 case ISCSI_IFACE_PARAM_FIRST_BURST:
2599 if (iface_param->iface_num & 0x1)
2601 init_fw_cb->iscsi_fburst_len =
2602 cpu_to_le32(*(uint32_t *)iface_param->value) /
2605 case ISCSI_IFACE_PARAM_MAX_R2T:
2606 if (iface_param->iface_num & 0x1)
2608 init_fw_cb->iscsi_max_outstnd_r2t =
2609 cpu_to_le16(*(uint16_t *)iface_param->value);
2611 case ISCSI_IFACE_PARAM_MAX_BURST:
2612 if (iface_param->iface_num & 0x1)
2614 init_fw_cb->iscsi_max_burst_len =
2615 cpu_to_le32(*(uint32_t *)iface_param->value) /
2618 case ISCSI_IFACE_PARAM_CHAP_AUTH_EN:
2619 if (iface_param->iface_num & 0x1)
2621 if (iface_param->value[0] == ISCSI_NET_PARAM_ENABLE)
2622 init_fw_cb->iscsi_opts |=
2623 cpu_to_le16(ISCSIOPTS_CHAP_AUTH_EN);
2625 init_fw_cb->iscsi_opts &=
2626 cpu_to_le16(~ISCSIOPTS_CHAP_AUTH_EN);
2628 case ISCSI_IFACE_PARAM_BIDI_CHAP_EN:
2629 if (iface_param->iface_num & 0x1)
2631 if (iface_param->value[0] == ISCSI_NET_PARAM_ENABLE)
2632 init_fw_cb->iscsi_opts |=
2633 cpu_to_le16(ISCSIOPTS_BIDI_CHAP_EN);
2635 init_fw_cb->iscsi_opts &=
2636 cpu_to_le16(~ISCSIOPTS_BIDI_CHAP_EN);
2638 case ISCSI_IFACE_PARAM_DISCOVERY_AUTH_OPTIONAL:
2639 if (iface_param->iface_num & 0x1)
2641 if (iface_param->value[0] == ISCSI_NET_PARAM_ENABLE)
2642 init_fw_cb->iscsi_opts |=
2643 cpu_to_le16(ISCSIOPTS_DISCOVERY_AUTH_EN);
2645 init_fw_cb->iscsi_opts &=
2646 cpu_to_le16(~ISCSIOPTS_DISCOVERY_AUTH_EN);
2648 case ISCSI_IFACE_PARAM_DISCOVERY_LOGOUT_EN:
2649 if (iface_param->iface_num & 0x1)
2651 if (iface_param->value[0] == ISCSI_NET_PARAM_ENABLE)
2652 init_fw_cb->iscsi_opts |=
2653 cpu_to_le16(ISCSIOPTS_DISCOVERY_LOGOUT_EN);
2655 init_fw_cb->iscsi_opts &=
2656 cpu_to_le16(~ISCSIOPTS_DISCOVERY_LOGOUT_EN);
2658 case ISCSI_IFACE_PARAM_STRICT_LOGIN_COMP_EN:
2659 if (iface_param->iface_num & 0x1)
2661 if (iface_param->value[0] == ISCSI_NET_PARAM_ENABLE)
2662 init_fw_cb->iscsi_opts |=
2663 cpu_to_le16(ISCSIOPTS_STRICT_LOGIN_COMP_EN);
2665 init_fw_cb->iscsi_opts &=
2666 cpu_to_le16(~ISCSIOPTS_STRICT_LOGIN_COMP_EN);
2669 ql4_printk(KERN_ERR, ha, "Unknown iscsi param = %d\n",
2670 iface_param->param);
2676 qla4xxx_initcb_to_acb(struct addr_ctrl_blk *init_fw_cb)
2678 struct addr_ctrl_blk_def *acb;
2679 acb = (struct addr_ctrl_blk_def *)init_fw_cb;
2680 memset(acb->reserved1, 0, sizeof(acb->reserved1));
2681 memset(acb->reserved2, 0, sizeof(acb->reserved2));
2682 memset(acb->reserved3, 0, sizeof(acb->reserved3));
2683 memset(acb->reserved4, 0, sizeof(acb->reserved4));
2684 memset(acb->reserved5, 0, sizeof(acb->reserved5));
2685 memset(acb->reserved6, 0, sizeof(acb->reserved6));
2686 memset(acb->reserved7, 0, sizeof(acb->reserved7));
2687 memset(acb->reserved8, 0, sizeof(acb->reserved8));
2688 memset(acb->reserved9, 0, sizeof(acb->reserved9));
2689 memset(acb->reserved10, 0, sizeof(acb->reserved10));
2690 memset(acb->reserved11, 0, sizeof(acb->reserved11));
2691 memset(acb->reserved12, 0, sizeof(acb->reserved12));
2692 memset(acb->reserved13, 0, sizeof(acb->reserved13));
2693 memset(acb->reserved14, 0, sizeof(acb->reserved14));
2694 memset(acb->reserved15, 0, sizeof(acb->reserved15));
2698 qla4xxx_iface_set_param(struct Scsi_Host *shost, void *data, uint32_t len)
2700 struct scsi_qla_host *ha = to_qla_host(shost);
2702 struct iscsi_iface_param_info *iface_param = NULL;
2703 struct addr_ctrl_blk *init_fw_cb = NULL;
2704 dma_addr_t init_fw_cb_dma;
2705 uint32_t mbox_cmd[MBOX_REG_COUNT];
2706 uint32_t mbox_sts[MBOX_REG_COUNT];
2708 struct nlattr *attr;
2710 init_fw_cb = dma_alloc_coherent(&ha->pdev->dev,
2711 sizeof(struct addr_ctrl_blk),
2712 &init_fw_cb_dma, GFP_KERNEL);
2714 ql4_printk(KERN_ERR, ha, "%s: Unable to alloc init_cb\n",
2719 memset(init_fw_cb, 0, sizeof(struct addr_ctrl_blk));
2720 memset(&mbox_cmd, 0, sizeof(mbox_cmd));
2721 memset(&mbox_sts, 0, sizeof(mbox_sts));
2723 if (qla4xxx_get_ifcb(ha, &mbox_cmd[0], &mbox_sts[0], init_fw_cb_dma)) {
2724 ql4_printk(KERN_ERR, ha, "%s: get ifcb failed\n", __func__);
2726 goto exit_init_fw_cb;
2729 nla_for_each_attr(attr, data, len, rem) {
2730 iface_param = nla_data(attr);
2732 if (iface_param->param_type == ISCSI_NET_PARAM) {
2733 switch (iface_param->iface_type) {
2734 case ISCSI_IFACE_TYPE_IPV4:
2735 switch (iface_param->iface_num) {
2737 qla4xxx_set_ipv4(ha, iface_param,
2741 /* Cannot have more than one IPv4 interface */
2742 ql4_printk(KERN_ERR, ha,
2743 "Invalid IPv4 iface number = %d\n",
2744 iface_param->iface_num);
2748 case ISCSI_IFACE_TYPE_IPV6:
2749 switch (iface_param->iface_num) {
2752 qla4xxx_set_ipv6(ha, iface_param,
2756 /* Cannot have more than two IPv6 interface */
2757 ql4_printk(KERN_ERR, ha,
2758 "Invalid IPv6 iface number = %d\n",
2759 iface_param->iface_num);
2764 ql4_printk(KERN_ERR, ha,
2765 "Invalid iface type\n");
2768 } else if (iface_param->param_type == ISCSI_IFACE_PARAM) {
2769 qla4xxx_set_iscsi_param(ha, iface_param,
2776 init_fw_cb->cookie = cpu_to_le32(0x11BEAD5A);
2778 rval = qla4xxx_set_flash(ha, init_fw_cb_dma, FLASH_SEGMENT_IFCB,
2779 sizeof(struct addr_ctrl_blk),
2780 FLASH_OPT_RMW_COMMIT);
2781 if (rval != QLA_SUCCESS) {
2782 ql4_printk(KERN_ERR, ha, "%s: set flash mbx failed\n",
2785 goto exit_init_fw_cb;
2788 rval = qla4xxx_disable_acb(ha);
2789 if (rval != QLA_SUCCESS) {
2790 ql4_printk(KERN_ERR, ha, "%s: disable acb mbx failed\n",
2793 goto exit_init_fw_cb;
2796 wait_for_completion_timeout(&ha->disable_acb_comp,
2797 DISABLE_ACB_TOV * HZ);
2799 qla4xxx_initcb_to_acb(init_fw_cb);
2801 rval = qla4xxx_set_acb(ha, &mbox_cmd[0], &mbox_sts[0], init_fw_cb_dma);
2802 if (rval != QLA_SUCCESS) {
2803 ql4_printk(KERN_ERR, ha, "%s: set acb mbx failed\n",
2806 goto exit_init_fw_cb;
2809 memset(init_fw_cb, 0, sizeof(struct addr_ctrl_blk));
2810 qla4xxx_update_local_ifcb(ha, &mbox_cmd[0], &mbox_sts[0], init_fw_cb,
2814 dma_free_coherent(&ha->pdev->dev, sizeof(struct addr_ctrl_blk),
2815 init_fw_cb, init_fw_cb_dma);
2820 static int qla4xxx_session_get_param(struct iscsi_cls_session *cls_sess,
2821 enum iscsi_param param, char *buf)
2823 struct iscsi_session *sess = cls_sess->dd_data;
2824 struct ddb_entry *ddb_entry = sess->dd_data;
2825 struct scsi_qla_host *ha = ddb_entry->ha;
2826 struct iscsi_cls_conn *cls_conn = ddb_entry->conn;
2827 struct ql4_chap_table chap_tbl;
2831 memset(&chap_tbl, 0, sizeof(chap_tbl));
2833 case ISCSI_PARAM_CHAP_IN_IDX:
2834 rval = qla4xxx_get_chap_index(ha, sess->username_in,
2835 sess->password_in, BIDI_CHAP,
2838 len = sprintf(buf, "\n");
2840 len = sprintf(buf, "%hu\n", idx);
2842 case ISCSI_PARAM_CHAP_OUT_IDX:
2843 if (ddb_entry->ddb_type == FLASH_DDB) {
2844 if (ddb_entry->chap_tbl_idx != INVALID_ENTRY) {
2845 idx = ddb_entry->chap_tbl_idx;
2851 rval = qla4xxx_get_chap_index(ha, sess->username,
2856 len = sprintf(buf, "\n");
2858 len = sprintf(buf, "%hu\n", idx);
2860 case ISCSI_PARAM_USERNAME:
2861 case ISCSI_PARAM_PASSWORD:
2862 /* First, populate session username and password for FLASH DDB,
2863 * if not already done. This happens when session login fails
2866 if (ddb_entry->ddb_type == FLASH_DDB &&
2867 ddb_entry->chap_tbl_idx != INVALID_ENTRY &&
2868 !sess->username && !sess->password) {
2869 idx = ddb_entry->chap_tbl_idx;
2870 rval = qla4xxx_get_uni_chap_at_index(ha, chap_tbl.name,
2874 iscsi_set_param(cls_conn, ISCSI_PARAM_USERNAME,
2875 (char *)chap_tbl.name,
2876 strlen((char *)chap_tbl.name));
2877 iscsi_set_param(cls_conn, ISCSI_PARAM_PASSWORD,
2878 (char *)chap_tbl.secret,
2879 chap_tbl.secret_len);
2882 /* allow fall-through */
2884 return iscsi_session_get_param(cls_sess, param, buf);
2890 static int qla4xxx_conn_get_param(struct iscsi_cls_conn *cls_conn,
2891 enum iscsi_param param, char *buf)
2893 struct iscsi_conn *conn;
2894 struct qla_conn *qla_conn;
2895 struct sockaddr *dst_addr;
2897 conn = cls_conn->dd_data;
2898 qla_conn = conn->dd_data;
2899 dst_addr = (struct sockaddr *)&qla_conn->qla_ep->dst_addr;
2902 case ISCSI_PARAM_CONN_PORT:
2903 case ISCSI_PARAM_CONN_ADDRESS:
2904 return iscsi_conn_get_addr_param((struct sockaddr_storage *)
2905 dst_addr, param, buf);
2907 return iscsi_conn_get_param(cls_conn, param, buf);
2911 int qla4xxx_get_ddb_index(struct scsi_qla_host *ha, uint16_t *ddb_index)
2913 uint32_t mbx_sts = 0;
2914 uint16_t tmp_ddb_index;
2918 tmp_ddb_index = find_first_zero_bit(ha->ddb_idx_map, MAX_DDB_ENTRIES);
2920 if (tmp_ddb_index >= MAX_DDB_ENTRIES) {
2921 DEBUG2(ql4_printk(KERN_INFO, ha,
2922 "Free DDB index not available\n"));
2924 goto exit_get_ddb_index;
2927 if (test_and_set_bit(tmp_ddb_index, ha->ddb_idx_map))
2930 DEBUG2(ql4_printk(KERN_INFO, ha,
2931 "Found a free DDB index at %d\n", tmp_ddb_index));
2932 ret = qla4xxx_req_ddb_entry(ha, tmp_ddb_index, &mbx_sts);
2933 if (ret == QLA_ERROR) {
2934 if (mbx_sts == MBOX_STS_COMMAND_ERROR) {
2935 ql4_printk(KERN_INFO, ha,
2936 "DDB index = %d not available trying next\n",
2940 DEBUG2(ql4_printk(KERN_INFO, ha,
2941 "Free FW DDB not available\n"));
2944 *ddb_index = tmp_ddb_index;
2950 static int qla4xxx_match_ipaddress(struct scsi_qla_host *ha,
2951 struct ddb_entry *ddb_entry,
2952 char *existing_ipaddr,
2955 uint8_t dst_ipaddr[IPv6_ADDR_LEN];
2956 char formatted_ipaddr[DDB_IPADDR_LEN];
2957 int status = QLA_SUCCESS, ret = 0;
2959 if (ddb_entry->fw_ddb_entry.options & DDB_OPT_IPV6_DEVICE) {
2960 ret = in6_pton(user_ipaddr, strlen(user_ipaddr), dst_ipaddr,
2966 ret = sprintf(formatted_ipaddr, "%pI6", dst_ipaddr);
2968 ret = in4_pton(user_ipaddr, strlen(user_ipaddr), dst_ipaddr,
2974 ret = sprintf(formatted_ipaddr, "%pI4", dst_ipaddr);
2977 if (strcmp(existing_ipaddr, formatted_ipaddr))
2984 static int qla4xxx_match_fwdb_session(struct scsi_qla_host *ha,
2985 struct iscsi_cls_conn *cls_conn)
2987 int idx = 0, max_ddbs, rval;
2988 struct iscsi_cls_session *cls_sess = iscsi_conn_to_session(cls_conn);
2989 struct iscsi_session *sess, *existing_sess;
2990 struct iscsi_conn *conn, *existing_conn;
2991 struct ddb_entry *ddb_entry;
2993 sess = cls_sess->dd_data;
2994 conn = cls_conn->dd_data;
2996 if (sess->targetname == NULL ||
2997 conn->persistent_address == NULL ||
2998 conn->persistent_port == 0)
3001 max_ddbs = is_qla40XX(ha) ? MAX_DEV_DB_ENTRIES_40XX :
3004 for (idx = 0; idx < max_ddbs; idx++) {
3005 ddb_entry = qla4xxx_lookup_ddb_by_fw_index(ha, idx);
3006 if (ddb_entry == NULL)
3009 if (ddb_entry->ddb_type != FLASH_DDB)
3012 existing_sess = ddb_entry->sess->dd_data;
3013 existing_conn = ddb_entry->conn->dd_data;
3015 if (existing_sess->targetname == NULL ||
3016 existing_conn->persistent_address == NULL ||
3017 existing_conn->persistent_port == 0)
3020 DEBUG2(ql4_printk(KERN_INFO, ha,
3021 "IQN = %s User IQN = %s\n",
3022 existing_sess->targetname,
3025 DEBUG2(ql4_printk(KERN_INFO, ha,
3026 "IP = %s User IP = %s\n",
3027 existing_conn->persistent_address,
3028 conn->persistent_address));
3030 DEBUG2(ql4_printk(KERN_INFO, ha,
3031 "Port = %d User Port = %d\n",
3032 existing_conn->persistent_port,
3033 conn->persistent_port));
3035 if (strcmp(existing_sess->targetname, sess->targetname))
3037 rval = qla4xxx_match_ipaddress(ha, ddb_entry,
3038 existing_conn->persistent_address,
3039 conn->persistent_address);
3040 if (rval == QLA_ERROR)
3042 if (existing_conn->persistent_port != conn->persistent_port)
3047 if (idx == max_ddbs)
3050 DEBUG2(ql4_printk(KERN_INFO, ha,
3051 "Match found in fwdb sessions\n"));
3055 static struct iscsi_cls_session *
3056 qla4xxx_session_create(struct iscsi_endpoint *ep,
3057 uint16_t cmds_max, uint16_t qdepth,
3058 uint32_t initial_cmdsn)
3060 struct iscsi_cls_session *cls_sess;
3061 struct scsi_qla_host *ha;
3062 struct qla_endpoint *qla_ep;
3063 struct ddb_entry *ddb_entry;
3065 struct iscsi_session *sess;
3066 struct sockaddr *dst_addr;
3070 printk(KERN_ERR "qla4xxx: missing ep.\n");
3074 qla_ep = ep->dd_data;
3075 dst_addr = (struct sockaddr *)&qla_ep->dst_addr;
3076 ha = to_qla_host(qla_ep->host);
3077 DEBUG2(ql4_printk(KERN_INFO, ha, "%s: host: %ld\n", __func__,
3080 ret = qla4xxx_get_ddb_index(ha, &ddb_index);
3081 if (ret == QLA_ERROR)
3084 cls_sess = iscsi_session_setup(&qla4xxx_iscsi_transport, qla_ep->host,
3085 cmds_max, sizeof(struct ddb_entry),
3086 sizeof(struct ql4_task_data),
3087 initial_cmdsn, ddb_index);
3091 sess = cls_sess->dd_data;
3092 ddb_entry = sess->dd_data;
3093 ddb_entry->fw_ddb_index = ddb_index;
3094 ddb_entry->fw_ddb_device_state = DDB_DS_NO_CONNECTION_ACTIVE;
3096 ddb_entry->sess = cls_sess;
3097 ddb_entry->unblock_sess = qla4xxx_unblock_ddb;
3098 ddb_entry->ddb_change = qla4xxx_ddb_change;
3099 clear_bit(DDB_CONN_CLOSE_FAILURE, &ddb_entry->flags);
3100 cls_sess->recovery_tmo = ql4xsess_recovery_tmo;
3101 ha->fw_ddb_index_map[ddb_entry->fw_ddb_index] = ddb_entry;
3107 static void qla4xxx_session_destroy(struct iscsi_cls_session *cls_sess)
3109 struct iscsi_session *sess;
3110 struct ddb_entry *ddb_entry;
3111 struct scsi_qla_host *ha;
3112 unsigned long flags, wtime;
3113 struct dev_db_entry *fw_ddb_entry = NULL;
3114 dma_addr_t fw_ddb_entry_dma;
3118 sess = cls_sess->dd_data;
3119 ddb_entry = sess->dd_data;
3121 DEBUG2(ql4_printk(KERN_INFO, ha, "%s: host: %ld\n", __func__,
3124 fw_ddb_entry = dma_alloc_coherent(&ha->pdev->dev, sizeof(*fw_ddb_entry),
3125 &fw_ddb_entry_dma, GFP_KERNEL);
3126 if (!fw_ddb_entry) {
3127 ql4_printk(KERN_ERR, ha,
3128 "%s: Unable to allocate dma buffer\n", __func__);
3129 goto destroy_session;
3132 wtime = jiffies + (HZ * LOGOUT_TOV);
3134 ret = qla4xxx_get_fwddb_entry(ha, ddb_entry->fw_ddb_index,
3135 fw_ddb_entry, fw_ddb_entry_dma,
3136 NULL, NULL, &ddb_state, NULL,
3138 if (ret == QLA_ERROR)
3139 goto destroy_session;
3141 if ((ddb_state == DDB_DS_NO_CONNECTION_ACTIVE) ||
3142 (ddb_state == DDB_DS_SESSION_FAILED))
3143 goto destroy_session;
3145 schedule_timeout_uninterruptible(HZ);
3146 } while ((time_after(wtime, jiffies)));
3149 qla4xxx_clear_ddb_entry(ha, ddb_entry->fw_ddb_index);
3150 if (test_and_clear_bit(DDB_CONN_CLOSE_FAILURE, &ddb_entry->flags))
3151 clear_bit(ddb_entry->fw_ddb_index, ha->ddb_idx_map);
3152 spin_lock_irqsave(&ha->hardware_lock, flags);
3153 qla4xxx_free_ddb(ha, ddb_entry);
3154 spin_unlock_irqrestore(&ha->hardware_lock, flags);
3156 iscsi_session_teardown(cls_sess);
3159 dma_free_coherent(&ha->pdev->dev, sizeof(*fw_ddb_entry),
3160 fw_ddb_entry, fw_ddb_entry_dma);
3163 static struct iscsi_cls_conn *
3164 qla4xxx_conn_create(struct iscsi_cls_session *cls_sess, uint32_t conn_idx)
3166 struct iscsi_cls_conn *cls_conn;
3167 struct iscsi_session *sess;
3168 struct ddb_entry *ddb_entry;
3169 struct scsi_qla_host *ha;
3171 cls_conn = iscsi_conn_setup(cls_sess, sizeof(struct qla_conn),
3174 pr_info("%s: Can not create connection for conn_idx = %u\n",
3175 __func__, conn_idx);
3179 sess = cls_sess->dd_data;
3180 ddb_entry = sess->dd_data;
3181 ddb_entry->conn = cls_conn;
3184 DEBUG2(ql4_printk(KERN_INFO, ha, "%s: conn_idx = %u\n", __func__,
3189 static int qla4xxx_conn_bind(struct iscsi_cls_session *cls_session,
3190 struct iscsi_cls_conn *cls_conn,
3191 uint64_t transport_fd, int is_leading)
3193 struct iscsi_conn *conn;
3194 struct qla_conn *qla_conn;
3195 struct iscsi_endpoint *ep;
3196 struct ddb_entry *ddb_entry;
3197 struct scsi_qla_host *ha;
3198 struct iscsi_session *sess;
3200 sess = cls_session->dd_data;
3201 ddb_entry = sess->dd_data;
3204 DEBUG2(ql4_printk(KERN_INFO, ha, "%s: sid = %d, cid = %d\n", __func__,
3205 cls_session->sid, cls_conn->cid));
3207 if (iscsi_conn_bind(cls_session, cls_conn, is_leading))
3209 ep = iscsi_lookup_endpoint(transport_fd);
3212 conn = cls_conn->dd_data;
3213 qla_conn = conn->dd_data;
3214 qla_conn->qla_ep = ep->dd_data;
3218 static int qla4xxx_conn_start(struct iscsi_cls_conn *cls_conn)
3220 struct iscsi_cls_session *cls_sess = iscsi_conn_to_session(cls_conn);
3221 struct iscsi_session *sess;
3222 struct ddb_entry *ddb_entry;
3223 struct scsi_qla_host *ha;
3224 struct dev_db_entry *fw_ddb_entry = NULL;
3225 dma_addr_t fw_ddb_entry_dma;
3226 uint32_t mbx_sts = 0;
3228 int status = QLA_SUCCESS;
3230 sess = cls_sess->dd_data;
3231 ddb_entry = sess->dd_data;
3233 DEBUG2(ql4_printk(KERN_INFO, ha, "%s: sid = %d, cid = %d\n", __func__,
3234 cls_sess->sid, cls_conn->cid));
3236 /* Check if we have matching FW DDB, if yes then do not
3237 * login to this target. This could cause target to logout previous
3240 ret = qla4xxx_match_fwdb_session(ha, cls_conn);
3241 if (ret == QLA_SUCCESS) {
3242 ql4_printk(KERN_INFO, ha,
3243 "Session already exist in FW.\n");
3245 goto exit_conn_start;
3248 fw_ddb_entry = dma_alloc_coherent(&ha->pdev->dev, sizeof(*fw_ddb_entry),
3249 &fw_ddb_entry_dma, GFP_KERNEL);
3250 if (!fw_ddb_entry) {
3251 ql4_printk(KERN_ERR, ha,
3252 "%s: Unable to allocate dma buffer\n", __func__);
3254 goto exit_conn_start;
3257 ret = qla4xxx_set_param_ddbentry(ha, ddb_entry, cls_conn, &mbx_sts);
3259 /* If iscsid is stopped and started then no need to do
3260 * set param again since ddb state will be already
3261 * active and FW does not allow set ddb to an
3265 if (ddb_entry->fw_ddb_device_state ==
3266 DDB_DS_SESSION_ACTIVE) {
3267 ddb_entry->unblock_sess(ddb_entry->sess);
3268 goto exit_set_param;
3271 ql4_printk(KERN_ERR, ha, "%s: Failed set param for index[%d]\n",
3272 __func__, ddb_entry->fw_ddb_index);
3273 goto exit_conn_start;
3276 status = qla4xxx_conn_open(ha, ddb_entry->fw_ddb_index);
3277 if (status == QLA_ERROR) {
3278 ql4_printk(KERN_ERR, ha, "%s: Login failed: %s\n", __func__,
3281 goto exit_conn_start;
3284 if (ddb_entry->fw_ddb_device_state == DDB_DS_NO_CONNECTION_ACTIVE)
3285 ddb_entry->fw_ddb_device_state = DDB_DS_LOGIN_IN_PROCESS;
3287 DEBUG2(printk(KERN_INFO "%s: DDB state [%d]\n", __func__,
3288 ddb_entry->fw_ddb_device_state));
3295 dma_free_coherent(&ha->pdev->dev, sizeof(*fw_ddb_entry),
3296 fw_ddb_entry, fw_ddb_entry_dma);
3300 static void qla4xxx_conn_destroy(struct iscsi_cls_conn *cls_conn)
3302 struct iscsi_cls_session *cls_sess = iscsi_conn_to_session(cls_conn);
3303 struct iscsi_session *sess;
3304 struct scsi_qla_host *ha;
3305 struct ddb_entry *ddb_entry;
3308 sess = cls_sess->dd_data;
3309 ddb_entry = sess->dd_data;
3311 DEBUG2(ql4_printk(KERN_INFO, ha, "%s: cid = %d\n", __func__,
3314 options = LOGOUT_OPTION_CLOSE_SESSION;
3315 if (qla4xxx_session_logout_ddb(ha, ddb_entry, options) == QLA_ERROR)
3316 ql4_printk(KERN_ERR, ha, "%s: Logout failed\n", __func__);
3319 static void qla4xxx_task_work(struct work_struct *wdata)
3321 struct ql4_task_data *task_data;
3322 struct scsi_qla_host *ha;
3323 struct passthru_status *sts;
3324 struct iscsi_task *task;
3325 struct iscsi_hdr *hdr;
3328 struct iscsi_conn *conn;
3332 task_data = container_of(wdata, struct ql4_task_data, task_work);
3334 task = task_data->task;
3335 sts = &task_data->sts;
3336 hdr_len = sizeof(struct iscsi_hdr);
3338 DEBUG3(printk(KERN_INFO "Status returned\n"));
3339 DEBUG3(qla4xxx_dump_buffer(sts, 64));
3340 DEBUG3(printk(KERN_INFO "Response buffer"));
3341 DEBUG3(qla4xxx_dump_buffer(task_data->resp_buffer, 64));
3345 switch (sts->completionStatus) {
3346 case PASSTHRU_STATUS_COMPLETE:
3347 hdr = (struct iscsi_hdr *)task_data->resp_buffer;
3348 /* Assign back the itt in hdr, until we use the PREASSIGN_TAG */
3351 data = task_data->resp_buffer + hdr_len;
3352 data_len = task_data->resp_len - hdr_len;
3353 iscsi_complete_pdu(conn, hdr, data, data_len);
3356 ql4_printk(KERN_ERR, ha, "Passthru failed status = 0x%x\n",
3357 sts->completionStatus);
3363 static int qla4xxx_alloc_pdu(struct iscsi_task *task, uint8_t opcode)
3365 struct ql4_task_data *task_data;
3366 struct iscsi_session *sess;
3367 struct ddb_entry *ddb_entry;
3368 struct scsi_qla_host *ha;
3371 sess = task->conn->session;
3372 ddb_entry = sess->dd_data;
3374 task_data = task->dd_data;
3375 memset(task_data, 0, sizeof(struct ql4_task_data));
3378 ql4_printk(KERN_INFO, ha,
3379 "%s: SCSI Commands not implemented\n", __func__);
3383 hdr_len = sizeof(struct iscsi_hdr);
3385 task_data->task = task;
3387 if (task->data_count) {
3388 task_data->data_dma = dma_map_single(&ha->pdev->dev, task->data,
3393 DEBUG2(ql4_printk(KERN_INFO, ha, "%s: MaxRecvLen %u, iscsi hrd %d\n",
3394 __func__, task->conn->max_recv_dlength, hdr_len));
3396 task_data->resp_len = task->conn->max_recv_dlength + hdr_len;
3397 task_data->resp_buffer = dma_alloc_coherent(&ha->pdev->dev,
3398 task_data->resp_len,
3399 &task_data->resp_dma,
3401 if (!task_data->resp_buffer)
3402 goto exit_alloc_pdu;
3404 task_data->req_len = task->data_count + hdr_len;
3405 task_data->req_buffer = dma_alloc_coherent(&ha->pdev->dev,
3407 &task_data->req_dma,
3409 if (!task_data->req_buffer)
3410 goto exit_alloc_pdu;
3412 task->hdr = task_data->req_buffer;
3414 INIT_WORK(&task_data->task_work, qla4xxx_task_work);
3419 if (task_data->resp_buffer)
3420 dma_free_coherent(&ha->pdev->dev, task_data->resp_len,
3421 task_data->resp_buffer, task_data->resp_dma);
3423 if (task_data->req_buffer)
3424 dma_free_coherent(&ha->pdev->dev, task_data->req_len,
3425 task_data->req_buffer, task_data->req_dma);
3429 static void qla4xxx_task_cleanup(struct iscsi_task *task)
3431 struct ql4_task_data *task_data;
3432 struct iscsi_session *sess;
3433 struct ddb_entry *ddb_entry;
3434 struct scsi_qla_host *ha;
3437 hdr_len = sizeof(struct iscsi_hdr);
3438 sess = task->conn->session;
3439 ddb_entry = sess->dd_data;
3441 task_data = task->dd_data;
3443 if (task->data_count) {
3444 dma_unmap_single(&ha->pdev->dev, task_data->data_dma,
3445 task->data_count, PCI_DMA_TODEVICE);
3448 DEBUG2(ql4_printk(KERN_INFO, ha, "%s: MaxRecvLen %u, iscsi hrd %d\n",
3449 __func__, task->conn->max_recv_dlength, hdr_len));
3451 dma_free_coherent(&ha->pdev->dev, task_data->resp_len,
3452 task_data->resp_buffer, task_data->resp_dma);
3453 dma_free_coherent(&ha->pdev->dev, task_data->req_len,
3454 task_data->req_buffer, task_data->req_dma);
3458 static int qla4xxx_task_xmit(struct iscsi_task *task)
3460 struct scsi_cmnd *sc = task->sc;
3461 struct iscsi_session *sess = task->conn->session;
3462 struct ddb_entry *ddb_entry = sess->dd_data;
3463 struct scsi_qla_host *ha = ddb_entry->ha;
3466 return qla4xxx_send_passthru0(task);
3468 ql4_printk(KERN_INFO, ha, "%s: scsi cmd xmit not implemented\n",
3473 static int qla4xxx_copy_from_fwddb_param(struct iscsi_bus_flash_session *sess,
3474 struct iscsi_bus_flash_conn *conn,
3475 struct dev_db_entry *fw_ddb_entry)
3477 unsigned long options = 0;
3480 options = le16_to_cpu(fw_ddb_entry->options);
3481 conn->is_fw_assigned_ipv6 = test_bit(OPT_IS_FW_ASSIGNED_IPV6, &options);
3482 if (test_bit(OPT_IPV6_DEVICE, &options)) {
3483 rc = iscsi_switch_str_param(&sess->portal_type,
3488 rc = iscsi_switch_str_param(&sess->portal_type,
3494 sess->auto_snd_tgt_disable = test_bit(OPT_AUTO_SENDTGTS_DISABLE,
3496 sess->discovery_sess = test_bit(OPT_DISC_SESSION, &options);
3497 sess->entry_state = test_bit(OPT_ENTRY_STATE, &options);
3499 options = le16_to_cpu(fw_ddb_entry->iscsi_options);
3500 conn->hdrdgst_en = test_bit(ISCSIOPT_HEADER_DIGEST_EN, &options);
3501 conn->datadgst_en = test_bit(ISCSIOPT_DATA_DIGEST_EN, &options);
3502 sess->imm_data_en = test_bit(ISCSIOPT_IMMEDIATE_DATA_EN, &options);
3503 sess->initial_r2t_en = test_bit(ISCSIOPT_INITIAL_R2T_EN, &options);
3504 sess->dataseq_inorder_en = test_bit(ISCSIOPT_DATA_SEQ_IN_ORDER,
3506 sess->pdu_inorder_en = test_bit(ISCSIOPT_DATA_PDU_IN_ORDER, &options);
3507 sess->chap_auth_en = test_bit(ISCSIOPT_CHAP_AUTH_EN, &options);
3508 conn->snack_req_en = test_bit(ISCSIOPT_SNACK_REQ_EN, &options);
3509 sess->discovery_logout_en = test_bit(ISCSIOPT_DISCOVERY_LOGOUT_EN,
3511 sess->bidi_chap_en = test_bit(ISCSIOPT_BIDI_CHAP_EN, &options);
3512 sess->discovery_auth_optional =
3513 test_bit(ISCSIOPT_DISCOVERY_AUTH_OPTIONAL, &options);
3514 if (test_bit(ISCSIOPT_ERL1, &options))
3516 if (test_bit(ISCSIOPT_ERL0, &options))
3519 options = le16_to_cpu(fw_ddb_entry->tcp_options);
3520 conn->tcp_timestamp_stat = test_bit(TCPOPT_TIMESTAMP_STAT, &options);
3521 conn->tcp_nagle_disable = test_bit(TCPOPT_NAGLE_DISABLE, &options);
3522 conn->tcp_wsf_disable = test_bit(TCPOPT_WSF_DISABLE, &options);
3523 if (test_bit(TCPOPT_TIMER_SCALE3, &options))
3524 conn->tcp_timer_scale |= BIT_3;
3525 if (test_bit(TCPOPT_TIMER_SCALE2, &options))
3526 conn->tcp_timer_scale |= BIT_2;
3527 if (test_bit(TCPOPT_TIMER_SCALE1, &options))
3528 conn->tcp_timer_scale |= BIT_1;
3530 conn->tcp_timer_scale >>= 1;
3531 conn->tcp_timestamp_en = test_bit(TCPOPT_TIMESTAMP_EN, &options);
3533 options = le16_to_cpu(fw_ddb_entry->ip_options);
3534 conn->fragment_disable = test_bit(IPOPT_FRAGMENT_DISABLE, &options);
3536 conn->max_recv_dlength = BYTE_UNITS *
3537 le16_to_cpu(fw_ddb_entry->iscsi_max_rcv_data_seg_len);
3538 conn->max_xmit_dlength = BYTE_UNITS *
3539 le16_to_cpu(fw_ddb_entry->iscsi_max_snd_data_seg_len);
3540 sess->first_burst = BYTE_UNITS *
3541 le16_to_cpu(fw_ddb_entry->iscsi_first_burst_len);
3542 sess->max_burst = BYTE_UNITS *
3543 le16_to_cpu(fw_ddb_entry->iscsi_max_burst_len);
3544 sess->max_r2t = le16_to_cpu(fw_ddb_entry->iscsi_max_outsnd_r2t);
3545 sess->time2wait = le16_to_cpu(fw_ddb_entry->iscsi_def_time2wait);
3546 sess->time2retain = le16_to_cpu(fw_ddb_entry->iscsi_def_time2retain);
3547 sess->tpgt = le32_to_cpu(fw_ddb_entry->tgt_portal_grp);
3548 conn->max_segment_size = le16_to_cpu(fw_ddb_entry->mss);
3549 conn->tcp_xmit_wsf = fw_ddb_entry->tcp_xmt_wsf;
3550 conn->tcp_recv_wsf = fw_ddb_entry->tcp_rcv_wsf;
3551 conn->ipv6_flow_label = le16_to_cpu(fw_ddb_entry->ipv6_flow_lbl);
3552 conn->keepalive_timeout = le16_to_cpu(fw_ddb_entry->ka_timeout);
3553 conn->local_port = le16_to_cpu(fw_ddb_entry->lcl_port);
3554 conn->statsn = le32_to_cpu(fw_ddb_entry->stat_sn);
3555 conn->exp_statsn = le32_to_cpu(fw_ddb_entry->exp_stat_sn);
3556 sess->discovery_parent_idx = le16_to_cpu(fw_ddb_entry->ddb_link);
3557 sess->discovery_parent_type = le16_to_cpu(fw_ddb_entry->ddb_link);
3558 sess->chap_out_idx = le16_to_cpu(fw_ddb_entry->chap_tbl_idx);
3559 sess->tsid = le16_to_cpu(fw_ddb_entry->tsid);
3561 sess->default_taskmgmt_timeout =
3562 le16_to_cpu(fw_ddb_entry->def_timeout);
3563 conn->port = le16_to_cpu(fw_ddb_entry->port);
3565 options = le16_to_cpu(fw_ddb_entry->options);
3566 conn->ipaddress = kzalloc(IPv6_ADDR_LEN, GFP_KERNEL);
3567 if (!conn->ipaddress) {
3572 conn->redirect_ipaddr = kzalloc(IPv6_ADDR_LEN, GFP_KERNEL);
3573 if (!conn->redirect_ipaddr) {
3578 memcpy(conn->ipaddress, fw_ddb_entry->ip_addr, IPv6_ADDR_LEN);
3579 memcpy(conn->redirect_ipaddr, fw_ddb_entry->tgt_addr, IPv6_ADDR_LEN);
3581 if (test_bit(OPT_IPV6_DEVICE, &options)) {
3582 conn->ipv6_traffic_class = fw_ddb_entry->ipv4_tos;
3584 conn->link_local_ipv6_addr = kmemdup(
3585 fw_ddb_entry->link_local_ipv6_addr,
3586 IPv6_ADDR_LEN, GFP_KERNEL);
3587 if (!conn->link_local_ipv6_addr) {
3592 conn->ipv4_tos = fw_ddb_entry->ipv4_tos;
3595 if (fw_ddb_entry->iscsi_name[0]) {
3596 rc = iscsi_switch_str_param(&sess->targetname,
3597 (char *)fw_ddb_entry->iscsi_name);
3602 if (fw_ddb_entry->iscsi_alias[0]) {
3603 rc = iscsi_switch_str_param(&sess->targetalias,
3604 (char *)fw_ddb_entry->iscsi_alias);
3609 COPY_ISID(sess->isid, fw_ddb_entry->isid);
3615 static int qla4xxx_copy_to_fwddb_param(struct iscsi_bus_flash_session *sess,
3616 struct iscsi_bus_flash_conn *conn,
3617 struct dev_db_entry *fw_ddb_entry)
3622 options = le16_to_cpu(fw_ddb_entry->options);
3623 SET_BITVAL(conn->is_fw_assigned_ipv6, options, BIT_11);
3624 if (!strncmp(sess->portal_type, PORTAL_TYPE_IPV6, 4))
3629 SET_BITVAL(sess->auto_snd_tgt_disable, options, BIT_6);
3630 SET_BITVAL(sess->discovery_sess, options, BIT_4);
3631 SET_BITVAL(sess->entry_state, options, BIT_3);
3632 fw_ddb_entry->options = cpu_to_le16(options);
3634 options = le16_to_cpu(fw_ddb_entry->iscsi_options);
3635 SET_BITVAL(conn->hdrdgst_en, options, BIT_13);
3636 SET_BITVAL(conn->datadgst_en, options, BIT_12);
3637 SET_BITVAL(sess->imm_data_en, options, BIT_11);
3638 SET_BITVAL(sess->initial_r2t_en, options, BIT_10);
3639 SET_BITVAL(sess->dataseq_inorder_en, options, BIT_9);
3640 SET_BITVAL(sess->pdu_inorder_en, options, BIT_8);
3641 SET_BITVAL(sess->chap_auth_en, options, BIT_7);
3642 SET_BITVAL(conn->snack_req_en, options, BIT_6);
3643 SET_BITVAL(sess->discovery_logout_en, options, BIT_5);
3644 SET_BITVAL(sess->bidi_chap_en, options, BIT_4);
3645 SET_BITVAL(sess->discovery_auth_optional, options, BIT_3);
3646 SET_BITVAL(sess->erl & BIT_1, options, BIT_1);
3647 SET_BITVAL(sess->erl & BIT_0, options, BIT_0);
3648 fw_ddb_entry->iscsi_options = cpu_to_le16(options);
3650 options = le16_to_cpu(fw_ddb_entry->tcp_options);
3651 SET_BITVAL(conn->tcp_timestamp_stat, options, BIT_6);
3652 SET_BITVAL(conn->tcp_nagle_disable, options, BIT_5);
3653 SET_BITVAL(conn->tcp_wsf_disable, options, BIT_4);
3654 SET_BITVAL(conn->tcp_timer_scale & BIT_2, options, BIT_3);
3655 SET_BITVAL(conn->tcp_timer_scale & BIT_1, options, BIT_2);
3656 SET_BITVAL(conn->tcp_timer_scale & BIT_0, options, BIT_1);
3657 SET_BITVAL(conn->tcp_timestamp_en, options, BIT_0);
3658 fw_ddb_entry->tcp_options = cpu_to_le16(options);
3660 options = le16_to_cpu(fw_ddb_entry->ip_options);
3661 SET_BITVAL(conn->fragment_disable, options, BIT_4);
3662 fw_ddb_entry->ip_options = cpu_to_le16(options);
3664 fw_ddb_entry->iscsi_max_outsnd_r2t = cpu_to_le16(sess->max_r2t);
3665 fw_ddb_entry->iscsi_max_rcv_data_seg_len =
3666 cpu_to_le16(conn->max_recv_dlength / BYTE_UNITS);
3667 fw_ddb_entry->iscsi_max_snd_data_seg_len =
3668 cpu_to_le16(conn->max_xmit_dlength / BYTE_UNITS);
3669 fw_ddb_entry->iscsi_first_burst_len =
3670 cpu_to_le16(sess->first_burst / BYTE_UNITS);
3671 fw_ddb_entry->iscsi_max_burst_len = cpu_to_le16(sess->max_burst /
3673 fw_ddb_entry->iscsi_def_time2wait = cpu_to_le16(sess->time2wait);
3674 fw_ddb_entry->iscsi_def_time2retain = cpu_to_le16(sess->time2retain);
3675 fw_ddb_entry->tgt_portal_grp = cpu_to_le16(sess->tpgt);
3676 fw_ddb_entry->mss = cpu_to_le16(conn->max_segment_size);
3677 fw_ddb_entry->tcp_xmt_wsf = (uint8_t) cpu_to_le32(conn->tcp_xmit_wsf);
3678 fw_ddb_entry->tcp_rcv_wsf = (uint8_t) cpu_to_le32(conn->tcp_recv_wsf);
3679 fw_ddb_entry->ipv6_flow_lbl = cpu_to_le16(conn->ipv6_flow_label);
3680 fw_ddb_entry->ka_timeout = cpu_to_le16(conn->keepalive_timeout);
3681 fw_ddb_entry->lcl_port = cpu_to_le16(conn->local_port);
3682 fw_ddb_entry->stat_sn = cpu_to_le32(conn->statsn);
3683 fw_ddb_entry->exp_stat_sn = cpu_to_le32(conn->exp_statsn);
3684 fw_ddb_entry->ddb_link = cpu_to_le16(sess->discovery_parent_idx);
3685 fw_ddb_entry->chap_tbl_idx = cpu_to_le16(sess->chap_out_idx);
3686 fw_ddb_entry->tsid = cpu_to_le16(sess->tsid);
3687 fw_ddb_entry->port = cpu_to_le16(conn->port);
3688 fw_ddb_entry->def_timeout =
3689 cpu_to_le16(sess->default_taskmgmt_timeout);
3691 if (!strncmp(sess->portal_type, PORTAL_TYPE_IPV6, 4))
3692 fw_ddb_entry->ipv4_tos = conn->ipv6_traffic_class;
3694 fw_ddb_entry->ipv4_tos = conn->ipv4_tos;
3696 if (conn->ipaddress)
3697 memcpy(fw_ddb_entry->ip_addr, conn->ipaddress,
3698 sizeof(fw_ddb_entry->ip_addr));
3700 if (conn->redirect_ipaddr)
3701 memcpy(fw_ddb_entry->tgt_addr, conn->redirect_ipaddr,
3702 sizeof(fw_ddb_entry->tgt_addr));
3704 if (conn->link_local_ipv6_addr)
3705 memcpy(fw_ddb_entry->link_local_ipv6_addr,
3706 conn->link_local_ipv6_addr,
3707 sizeof(fw_ddb_entry->link_local_ipv6_addr));
3709 if (sess->targetname)
3710 memcpy(fw_ddb_entry->iscsi_name, sess->targetname,
3711 sizeof(fw_ddb_entry->iscsi_name));
3713 if (sess->targetalias)
3714 memcpy(fw_ddb_entry->iscsi_alias, sess->targetalias,
3715 sizeof(fw_ddb_entry->iscsi_alias));
3717 COPY_ISID(fw_ddb_entry->isid, sess->isid);
3722 static void qla4xxx_copy_to_sess_conn_params(struct iscsi_conn *conn,
3723 struct iscsi_session *sess,
3724 struct dev_db_entry *fw_ddb_entry)
3726 unsigned long options = 0;
3728 uint16_t disc_parent;
3729 char ip_addr[DDB_IPADDR_LEN];
3731 options = le16_to_cpu(fw_ddb_entry->options);
3732 conn->is_fw_assigned_ipv6 = test_bit(OPT_IS_FW_ASSIGNED_IPV6, &options);
3733 sess->auto_snd_tgt_disable = test_bit(OPT_AUTO_SENDTGTS_DISABLE,
3735 sess->discovery_sess = test_bit(OPT_DISC_SESSION, &options);
3737 options = le16_to_cpu(fw_ddb_entry->iscsi_options);
3738 conn->hdrdgst_en = test_bit(ISCSIOPT_HEADER_DIGEST_EN, &options);
3739 conn->datadgst_en = test_bit(ISCSIOPT_DATA_DIGEST_EN, &options);
3740 sess->imm_data_en = test_bit(ISCSIOPT_IMMEDIATE_DATA_EN, &options);
3741 sess->initial_r2t_en = test_bit(ISCSIOPT_INITIAL_R2T_EN, &options);
3742 sess->dataseq_inorder_en = test_bit(ISCSIOPT_DATA_SEQ_IN_ORDER,
3744 sess->pdu_inorder_en = test_bit(ISCSIOPT_DATA_PDU_IN_ORDER, &options);
3745 sess->chap_auth_en = test_bit(ISCSIOPT_CHAP_AUTH_EN, &options);
3746 sess->discovery_logout_en = test_bit(ISCSIOPT_DISCOVERY_LOGOUT_EN,
3748 sess->bidi_chap_en = test_bit(ISCSIOPT_BIDI_CHAP_EN, &options);
3749 sess->discovery_auth_optional =
3750 test_bit(ISCSIOPT_DISCOVERY_AUTH_OPTIONAL, &options);
3751 if (test_bit(ISCSIOPT_ERL1, &options))
3753 if (test_bit(ISCSIOPT_ERL0, &options))
3756 options = le16_to_cpu(fw_ddb_entry->tcp_options);
3757 conn->tcp_timestamp_stat = test_bit(TCPOPT_TIMESTAMP_STAT, &options);
3758 conn->tcp_nagle_disable = test_bit(TCPOPT_NAGLE_DISABLE, &options);
3759 conn->tcp_wsf_disable = test_bit(TCPOPT_WSF_DISABLE, &options);
3760 if (test_bit(TCPOPT_TIMER_SCALE3, &options))
3761 conn->tcp_timer_scale |= BIT_3;
3762 if (test_bit(TCPOPT_TIMER_SCALE2, &options))
3763 conn->tcp_timer_scale |= BIT_2;
3764 if (test_bit(TCPOPT_TIMER_SCALE1, &options))
3765 conn->tcp_timer_scale |= BIT_1;
3767 conn->tcp_timer_scale >>= 1;
3768 conn->tcp_timestamp_en = test_bit(TCPOPT_TIMESTAMP_EN, &options);
3770 options = le16_to_cpu(fw_ddb_entry->ip_options);
3771 conn->fragment_disable = test_bit(IPOPT_FRAGMENT_DISABLE, &options);
3773 conn->max_recv_dlength = BYTE_UNITS *
3774 le16_to_cpu(fw_ddb_entry->iscsi_max_rcv_data_seg_len);
3775 conn->max_xmit_dlength = BYTE_UNITS *
3776 le16_to_cpu(fw_ddb_entry->iscsi_max_snd_data_seg_len);
3777 sess->max_r2t = le16_to_cpu(fw_ddb_entry->iscsi_max_outsnd_r2t);
3778 sess->first_burst = BYTE_UNITS *
3779 le16_to_cpu(fw_ddb_entry->iscsi_first_burst_len);
3780 sess->max_burst = BYTE_UNITS *
3781 le16_to_cpu(fw_ddb_entry->iscsi_max_burst_len);
3782 sess->time2wait = le16_to_cpu(fw_ddb_entry->iscsi_def_time2wait);
3783 sess->time2retain = le16_to_cpu(fw_ddb_entry->iscsi_def_time2retain);
3784 sess->tpgt = le32_to_cpu(fw_ddb_entry->tgt_portal_grp);
3785 conn->max_segment_size = le16_to_cpu(fw_ddb_entry->mss);
3786 conn->tcp_xmit_wsf = fw_ddb_entry->tcp_xmt_wsf;
3787 conn->tcp_recv_wsf = fw_ddb_entry->tcp_rcv_wsf;
3788 conn->ipv4_tos = fw_ddb_entry->ipv4_tos;
3789 conn->keepalive_tmo = le16_to_cpu(fw_ddb_entry->ka_timeout);
3790 conn->local_port = le16_to_cpu(fw_ddb_entry->lcl_port);
3791 conn->statsn = le32_to_cpu(fw_ddb_entry->stat_sn);
3792 conn->exp_statsn = le32_to_cpu(fw_ddb_entry->exp_stat_sn);
3793 sess->tsid = le16_to_cpu(fw_ddb_entry->tsid);
3794 COPY_ISID(sess->isid, fw_ddb_entry->isid);
3796 ddb_link = le16_to_cpu(fw_ddb_entry->ddb_link);
3797 if (ddb_link == DDB_ISNS)
3798 disc_parent = ISCSI_DISC_PARENT_ISNS;
3799 else if (ddb_link == DDB_NO_LINK)
3800 disc_parent = ISCSI_DISC_PARENT_UNKNOWN;
3801 else if (ddb_link < MAX_DDB_ENTRIES)
3802 disc_parent = ISCSI_DISC_PARENT_SENDTGT;
3804 disc_parent = ISCSI_DISC_PARENT_UNKNOWN;
3806 iscsi_set_param(conn->cls_conn, ISCSI_PARAM_DISCOVERY_PARENT_TYPE,
3807 iscsi_get_discovery_parent_name(disc_parent), 0);
3809 iscsi_set_param(conn->cls_conn, ISCSI_PARAM_TARGET_ALIAS,
3810 (char *)fw_ddb_entry->iscsi_alias, 0);
3812 options = le16_to_cpu(fw_ddb_entry->options);
3813 if (options & DDB_OPT_IPV6_DEVICE) {
3814 memset(ip_addr, 0, sizeof(ip_addr));
3815 sprintf(ip_addr, "%pI6", fw_ddb_entry->link_local_ipv6_addr);
3816 iscsi_set_param(conn->cls_conn, ISCSI_PARAM_LOCAL_IPADDR,
3817 (char *)ip_addr, 0);
3821 static void qla4xxx_copy_fwddb_param(struct scsi_qla_host *ha,
3822 struct dev_db_entry *fw_ddb_entry,
3823 struct iscsi_cls_session *cls_sess,
3824 struct iscsi_cls_conn *cls_conn)
3827 struct iscsi_session *sess;
3828 struct ddb_entry *ddb_entry;
3829 struct ql4_chap_table chap_tbl;
3830 struct iscsi_conn *conn;
3831 char ip_addr[DDB_IPADDR_LEN];
3832 uint16_t options = 0;
3834 sess = cls_sess->dd_data;
3835 ddb_entry = sess->dd_data;
3836 conn = cls_conn->dd_data;
3837 memset(&chap_tbl, 0, sizeof(chap_tbl));
3839 ddb_entry->chap_tbl_idx = le16_to_cpu(fw_ddb_entry->chap_tbl_idx);
3841 qla4xxx_copy_to_sess_conn_params(conn, sess, fw_ddb_entry);
3843 sess->def_taskmgmt_tmo = le16_to_cpu(fw_ddb_entry->def_timeout);
3844 conn->persistent_port = le16_to_cpu(fw_ddb_entry->port);
3846 memset(ip_addr, 0, sizeof(ip_addr));
3847 options = le16_to_cpu(fw_ddb_entry->options);
3848 if (options & DDB_OPT_IPV6_DEVICE) {
3849 iscsi_set_param(cls_conn, ISCSI_PARAM_PORTAL_TYPE, "ipv6", 4);
3851 memset(ip_addr, 0, sizeof(ip_addr));
3852 sprintf(ip_addr, "%pI6", fw_ddb_entry->ip_addr);
3854 iscsi_set_param(cls_conn, ISCSI_PARAM_PORTAL_TYPE, "ipv4", 4);
3855 sprintf(ip_addr, "%pI4", fw_ddb_entry->ip_addr);
3858 iscsi_set_param(cls_conn, ISCSI_PARAM_PERSISTENT_ADDRESS,
3859 (char *)ip_addr, buflen);
3860 iscsi_set_param(cls_conn, ISCSI_PARAM_TARGET_NAME,
3861 (char *)fw_ddb_entry->iscsi_name, buflen);
3862 iscsi_set_param(cls_conn, ISCSI_PARAM_INITIATOR_NAME,
3863 (char *)ha->name_string, buflen);
3865 if (ddb_entry->chap_tbl_idx != INVALID_ENTRY) {
3866 if (!qla4xxx_get_uni_chap_at_index(ha, chap_tbl.name,
3868 ddb_entry->chap_tbl_idx)) {
3869 iscsi_set_param(cls_conn, ISCSI_PARAM_USERNAME,
3870 (char *)chap_tbl.name,
3871 strlen((char *)chap_tbl.name));
3872 iscsi_set_param(cls_conn, ISCSI_PARAM_PASSWORD,
3873 (char *)chap_tbl.secret,
3874 chap_tbl.secret_len);
3879 void qla4xxx_update_session_conn_fwddb_param(struct scsi_qla_host *ha,
3880 struct ddb_entry *ddb_entry)
3882 struct iscsi_cls_session *cls_sess;
3883 struct iscsi_cls_conn *cls_conn;
3885 dma_addr_t fw_ddb_entry_dma;
3886 struct dev_db_entry *fw_ddb_entry;
3888 fw_ddb_entry = dma_alloc_coherent(&ha->pdev->dev, sizeof(*fw_ddb_entry),
3889 &fw_ddb_entry_dma, GFP_KERNEL);
3890 if (!fw_ddb_entry) {
3891 ql4_printk(KERN_ERR, ha,
3892 "%s: Unable to allocate dma buffer\n", __func__);
3893 goto exit_session_conn_fwddb_param;
3896 if (qla4xxx_get_fwddb_entry(ha, ddb_entry->fw_ddb_index, fw_ddb_entry,
3897 fw_ddb_entry_dma, NULL, NULL, &ddb_state,
3898 NULL, NULL, NULL) == QLA_ERROR) {
3899 DEBUG2(ql4_printk(KERN_ERR, ha, "scsi%ld: %s: failed "
3900 "get_ddb_entry for fw_ddb_index %d\n",
3901 ha->host_no, __func__,
3902 ddb_entry->fw_ddb_index));
3903 goto exit_session_conn_fwddb_param;
3906 cls_sess = ddb_entry->sess;
3908 cls_conn = ddb_entry->conn;
3911 qla4xxx_copy_fwddb_param(ha, fw_ddb_entry, cls_sess, cls_conn);
3913 exit_session_conn_fwddb_param:
3915 dma_free_coherent(&ha->pdev->dev, sizeof(*fw_ddb_entry),
3916 fw_ddb_entry, fw_ddb_entry_dma);
3919 void qla4xxx_update_session_conn_param(struct scsi_qla_host *ha,
3920 struct ddb_entry *ddb_entry)
3922 struct iscsi_cls_session *cls_sess;
3923 struct iscsi_cls_conn *cls_conn;
3924 struct iscsi_session *sess;
3925 struct iscsi_conn *conn;
3927 dma_addr_t fw_ddb_entry_dma;
3928 struct dev_db_entry *fw_ddb_entry;
3930 fw_ddb_entry = dma_alloc_coherent(&ha->pdev->dev, sizeof(*fw_ddb_entry),
3931 &fw_ddb_entry_dma, GFP_KERNEL);
3932 if (!fw_ddb_entry) {
3933 ql4_printk(KERN_ERR, ha,
3934 "%s: Unable to allocate dma buffer\n", __func__);
3935 goto exit_session_conn_param;
3938 if (qla4xxx_get_fwddb_entry(ha, ddb_entry->fw_ddb_index, fw_ddb_entry,
3939 fw_ddb_entry_dma, NULL, NULL, &ddb_state,
3940 NULL, NULL, NULL) == QLA_ERROR) {
3941 DEBUG2(ql4_printk(KERN_ERR, ha, "scsi%ld: %s: failed "
3942 "get_ddb_entry for fw_ddb_index %d\n",
3943 ha->host_no, __func__,
3944 ddb_entry->fw_ddb_index));
3945 goto exit_session_conn_param;
3948 cls_sess = ddb_entry->sess;
3949 sess = cls_sess->dd_data;
3951 cls_conn = ddb_entry->conn;
3952 conn = cls_conn->dd_data;
3954 /* Update timers after login */
3955 ddb_entry->default_relogin_timeout =
3956 (le16_to_cpu(fw_ddb_entry->def_timeout) > LOGIN_TOV) &&
3957 (le16_to_cpu(fw_ddb_entry->def_timeout) < LOGIN_TOV * 10) ?
3958 le16_to_cpu(fw_ddb_entry->def_timeout) : LOGIN_TOV;
3959 ddb_entry->default_time2wait =
3960 le16_to_cpu(fw_ddb_entry->iscsi_def_time2wait);
3963 ddb_entry->chap_tbl_idx = le16_to_cpu(fw_ddb_entry->chap_tbl_idx);
3964 qla4xxx_copy_to_sess_conn_params(conn, sess, fw_ddb_entry);
3966 memcpy(sess->initiatorname, ha->name_string,
3967 min(sizeof(ha->name_string), sizeof(sess->initiatorname)));
3969 exit_session_conn_param:
3971 dma_free_coherent(&ha->pdev->dev, sizeof(*fw_ddb_entry),
3972 fw_ddb_entry, fw_ddb_entry_dma);
3979 static void qla4xxx_start_timer(struct scsi_qla_host *ha, void *func,
3980 unsigned long interval)
3982 DEBUG(printk("scsi: %s: Starting timer thread for adapter %d\n",
3983 __func__, ha->host->host_no));
3984 init_timer(&ha->timer);
3985 ha->timer.expires = jiffies + interval * HZ;
3986 ha->timer.data = (unsigned long)ha;
3987 ha->timer.function = (void (*)(unsigned long))func;
3988 add_timer(&ha->timer);
3989 ha->timer_active = 1;
3992 static void qla4xxx_stop_timer(struct scsi_qla_host *ha)
3994 del_timer_sync(&ha->timer);
3995 ha->timer_active = 0;
3999 * qla4xxx_mark_device_missing - blocks the session
4000 * @cls_session: Pointer to the session to be blocked
4001 * @ddb_entry: Pointer to device database entry
4003 * This routine marks a device missing and close connection.
4005 void qla4xxx_mark_device_missing(struct iscsi_cls_session *cls_session)
4007 iscsi_block_session(cls_session);
4011 * qla4xxx_mark_all_devices_missing - mark all devices as missing.
4012 * @ha: Pointer to host adapter structure.
4014 * This routine marks a device missing and resets the relogin retry count.
4016 void qla4xxx_mark_all_devices_missing(struct scsi_qla_host *ha)
4018 iscsi_host_for_each_session(ha->host, qla4xxx_mark_device_missing);
4021 static struct srb* qla4xxx_get_new_srb(struct scsi_qla_host *ha,
4022 struct ddb_entry *ddb_entry,
4023 struct scsi_cmnd *cmd)
4027 srb = mempool_alloc(ha->srb_mempool, GFP_ATOMIC);
4031 kref_init(&srb->srb_ref);
4033 srb->ddb = ddb_entry;
4036 CMD_SP(cmd) = (void *)srb;
4041 static void qla4xxx_srb_free_dma(struct scsi_qla_host *ha, struct srb *srb)
4043 struct scsi_cmnd *cmd = srb->cmd;
4045 if (srb->flags & SRB_DMA_VALID) {
4046 scsi_dma_unmap(cmd);
4047 srb->flags &= ~SRB_DMA_VALID;
4052 void qla4xxx_srb_compl(struct kref *ref)
4054 struct srb *srb = container_of(ref, struct srb, srb_ref);
4055 struct scsi_cmnd *cmd = srb->cmd;
4056 struct scsi_qla_host *ha = srb->ha;
4058 qla4xxx_srb_free_dma(ha, srb);
4060 mempool_free(srb, ha->srb_mempool);
4062 cmd->scsi_done(cmd);
4066 * qla4xxx_queuecommand - scsi layer issues scsi command to driver.
4068 * @cmd: Pointer to Linux's SCSI command structure
4071 * This routine is invoked by Linux to send a SCSI command to the driver.
4072 * The mid-level driver tries to ensure that queuecommand never gets
4073 * invoked concurrently with itself or the interrupt handler (although
4074 * the interrupt handler may call this routine as part of request-
4075 * completion handling). Unfortunely, it sometimes calls the scheduler
4076 * in interrupt context which is a big NO! NO!.
4078 static int qla4xxx_queuecommand(struct Scsi_Host *host, struct scsi_cmnd *cmd)
4080 struct scsi_qla_host *ha = to_qla_host(host);
4081 struct ddb_entry *ddb_entry = cmd->device->hostdata;
4082 struct iscsi_cls_session *sess = ddb_entry->sess;
4086 if (test_bit(AF_EEH_BUSY, &ha->flags)) {
4087 if (test_bit(AF_PCI_CHANNEL_IO_PERM_FAILURE, &ha->flags))
4088 cmd->result = DID_NO_CONNECT << 16;
4090 cmd->result = DID_REQUEUE << 16;
4091 goto qc_fail_command;
4095 cmd->result = DID_IMM_RETRY << 16;
4096 goto qc_fail_command;
4099 rval = iscsi_session_chkready(sess);
4102 goto qc_fail_command;
4105 if (test_bit(DPC_RESET_HA_INTR, &ha->dpc_flags) ||
4106 test_bit(DPC_RESET_ACTIVE, &ha->dpc_flags) ||
4107 test_bit(DPC_RESET_HA, &ha->dpc_flags) ||
4108 test_bit(DPC_HA_UNRECOVERABLE, &ha->dpc_flags) ||
4109 test_bit(DPC_HA_NEED_QUIESCENT, &ha->dpc_flags) ||
4110 !test_bit(AF_ONLINE, &ha->flags) ||
4111 !test_bit(AF_LINK_UP, &ha->flags) ||
4112 test_bit(AF_LOOPBACK, &ha->flags) ||
4113 test_bit(DPC_POST_IDC_ACK, &ha->dpc_flags) ||
4114 test_bit(DPC_RESTORE_ACB, &ha->dpc_flags) ||
4115 test_bit(DPC_RESET_HA_FW_CONTEXT, &ha->dpc_flags))
4118 srb = qla4xxx_get_new_srb(ha, ddb_entry, cmd);
4122 rval = qla4xxx_send_command_to_isp(ha, srb);
4123 if (rval != QLA_SUCCESS)
4124 goto qc_host_busy_free_sp;
4128 qc_host_busy_free_sp:
4129 qla4xxx_srb_free_dma(ha, srb);
4130 mempool_free(srb, ha->srb_mempool);
4133 return SCSI_MLQUEUE_HOST_BUSY;
4136 cmd->scsi_done(cmd);
4142 * qla4xxx_mem_free - frees memory allocated to adapter
4143 * @ha: Pointer to host adapter structure.
4145 * Frees memory previously allocated by qla4xxx_mem_alloc
4147 static void qla4xxx_mem_free(struct scsi_qla_host *ha)
4150 dma_free_coherent(&ha->pdev->dev, ha->queues_len, ha->queues,
4159 ha->request_ring = NULL;
4160 ha->request_dma = 0;
4161 ha->response_ring = NULL;
4162 ha->response_dma = 0;
4163 ha->shadow_regs = NULL;
4164 ha->shadow_regs_dma = 0;
4166 ha->fw_dump_size = 0;
4168 /* Free srb pool. */
4169 if (ha->srb_mempool)
4170 mempool_destroy(ha->srb_mempool);
4172 ha->srb_mempool = NULL;
4174 if (ha->chap_dma_pool)
4175 dma_pool_destroy(ha->chap_dma_pool);
4178 vfree(ha->chap_list);
4179 ha->chap_list = NULL;
4181 if (ha->fw_ddb_dma_pool)
4182 dma_pool_destroy(ha->fw_ddb_dma_pool);
4184 /* release io space registers */
4185 if (is_qla8022(ha)) {
4188 (struct device_reg_82xx __iomem *)ha->nx_pcibase);
4189 } else if (is_qla8032(ha) || is_qla8042(ha)) {
4192 (struct device_reg_83xx __iomem *)ha->nx_pcibase);
4193 } else if (ha->reg) {
4197 if (ha->reset_tmplt.buff)
4198 vfree(ha->reset_tmplt.buff);
4200 pci_release_regions(ha->pdev);
4204 * qla4xxx_mem_alloc - allocates memory for use by adapter.
4205 * @ha: Pointer to host adapter structure
4207 * Allocates DMA memory for request and response queues. Also allocates memory
4210 static int qla4xxx_mem_alloc(struct scsi_qla_host *ha)
4212 unsigned long align;
4214 /* Allocate contiguous block of DMA memory for queues. */
4215 ha->queues_len = ((REQUEST_QUEUE_DEPTH * QUEUE_SIZE) +
4216 (RESPONSE_QUEUE_DEPTH * QUEUE_SIZE) +
4217 sizeof(struct shadow_regs) +
4219 (PAGE_SIZE - 1)) & ~(PAGE_SIZE - 1);
4220 ha->queues = dma_alloc_coherent(&ha->pdev->dev, ha->queues_len,
4221 &ha->queues_dma, GFP_KERNEL);
4222 if (ha->queues == NULL) {
4223 ql4_printk(KERN_WARNING, ha,
4224 "Memory Allocation failed - queues.\n");
4226 goto mem_alloc_error_exit;
4228 memset(ha->queues, 0, ha->queues_len);
4231 * As per RISC alignment requirements -- the bus-address must be a
4232 * multiple of the request-ring size (in bytes).
4235 if ((unsigned long)ha->queues_dma & (MEM_ALIGN_VALUE - 1))
4236 align = MEM_ALIGN_VALUE - ((unsigned long)ha->queues_dma &
4237 (MEM_ALIGN_VALUE - 1));
4239 /* Update request and response queue pointers. */
4240 ha->request_dma = ha->queues_dma + align;
4241 ha->request_ring = (struct queue_entry *) (ha->queues + align);
4242 ha->response_dma = ha->queues_dma + align +
4243 (REQUEST_QUEUE_DEPTH * QUEUE_SIZE);
4244 ha->response_ring = (struct queue_entry *) (ha->queues + align +
4245 (REQUEST_QUEUE_DEPTH *
4247 ha->shadow_regs_dma = ha->queues_dma + align +
4248 (REQUEST_QUEUE_DEPTH * QUEUE_SIZE) +
4249 (RESPONSE_QUEUE_DEPTH * QUEUE_SIZE);
4250 ha->shadow_regs = (struct shadow_regs *) (ha->queues + align +
4251 (REQUEST_QUEUE_DEPTH *
4253 (RESPONSE_QUEUE_DEPTH *
4256 /* Allocate memory for srb pool. */
4257 ha->srb_mempool = mempool_create(SRB_MIN_REQ, mempool_alloc_slab,
4258 mempool_free_slab, srb_cachep);
4259 if (ha->srb_mempool == NULL) {
4260 ql4_printk(KERN_WARNING, ha,
4261 "Memory Allocation failed - SRB Pool.\n");
4263 goto mem_alloc_error_exit;
4266 ha->chap_dma_pool = dma_pool_create("ql4_chap", &ha->pdev->dev,
4267 CHAP_DMA_BLOCK_SIZE, 8, 0);
4269 if (ha->chap_dma_pool == NULL) {
4270 ql4_printk(KERN_WARNING, ha,
4271 "%s: chap_dma_pool allocation failed..\n", __func__);
4272 goto mem_alloc_error_exit;
4275 ha->fw_ddb_dma_pool = dma_pool_create("ql4_fw_ddb", &ha->pdev->dev,
4276 DDB_DMA_BLOCK_SIZE, 8, 0);
4278 if (ha->fw_ddb_dma_pool == NULL) {
4279 ql4_printk(KERN_WARNING, ha,
4280 "%s: fw_ddb_dma_pool allocation failed..\n",
4282 goto mem_alloc_error_exit;
4287 mem_alloc_error_exit:
4292 * qla4_8xxx_check_temp - Check the ISP82XX temperature.
4293 * @ha: adapter block pointer.
4295 * Note: The caller should not hold the idc lock.
4297 static int qla4_8xxx_check_temp(struct scsi_qla_host *ha)
4299 uint32_t temp, temp_state, temp_val;
4300 int status = QLA_SUCCESS;
4302 temp = qla4_8xxx_rd_direct(ha, QLA8XXX_CRB_TEMP_STATE);
4304 temp_state = qla82xx_get_temp_state(temp);
4305 temp_val = qla82xx_get_temp_val(temp);
4307 if (temp_state == QLA82XX_TEMP_PANIC) {
4308 ql4_printk(KERN_WARNING, ha, "Device temperature %d degrees C"
4309 " exceeds maximum allowed. Hardware has been shut"
4310 " down.\n", temp_val);
4312 } else if (temp_state == QLA82XX_TEMP_WARN) {
4313 if (ha->temperature == QLA82XX_TEMP_NORMAL)
4314 ql4_printk(KERN_WARNING, ha, "Device temperature %d"
4315 " degrees C exceeds operating range."
4316 " Immediate action needed.\n", temp_val);
4318 if (ha->temperature == QLA82XX_TEMP_WARN)
4319 ql4_printk(KERN_INFO, ha, "Device temperature is"
4320 " now %d degrees C in normal range.\n",
4323 ha->temperature = temp_state;
4328 * qla4_8xxx_check_fw_alive - Check firmware health
4329 * @ha: Pointer to host adapter structure.
4331 * Context: Interrupt
4333 static int qla4_8xxx_check_fw_alive(struct scsi_qla_host *ha)
4335 uint32_t fw_heartbeat_counter;
4336 int status = QLA_SUCCESS;
4338 fw_heartbeat_counter = qla4_8xxx_rd_direct(ha,
4339 QLA8XXX_PEG_ALIVE_COUNTER);
4340 /* If PEG_ALIVE_COUNTER is 0xffffffff, AER/EEH is in progress, ignore */
4341 if (fw_heartbeat_counter == 0xffffffff) {
4342 DEBUG2(printk(KERN_WARNING "scsi%ld: %s: Device in frozen "
4343 "state, QLA82XX_PEG_ALIVE_COUNTER is 0xffffffff\n",
4344 ha->host_no, __func__));
4348 if (ha->fw_heartbeat_counter == fw_heartbeat_counter) {
4349 ha->seconds_since_last_heartbeat++;
4350 /* FW not alive after 2 seconds */
4351 if (ha->seconds_since_last_heartbeat == 2) {
4352 ha->seconds_since_last_heartbeat = 0;
4353 qla4_8xxx_dump_peg_reg(ha);
4357 ha->seconds_since_last_heartbeat = 0;
4359 ha->fw_heartbeat_counter = fw_heartbeat_counter;
4363 static void qla4_8xxx_process_fw_error(struct scsi_qla_host *ha)
4365 uint32_t halt_status;
4366 int halt_status_unrecoverable = 0;
4368 halt_status = qla4_8xxx_rd_direct(ha, QLA8XXX_PEG_HALT_STATUS1);
4370 if (is_qla8022(ha)) {
4371 ql4_printk(KERN_INFO, ha, "%s: disabling pause transmit on port 0 & 1.\n",
4373 qla4_82xx_wr_32(ha, QLA82XX_CRB_NIU + 0x98,
4374 CRB_NIU_XG_PAUSE_CTL_P0 |
4375 CRB_NIU_XG_PAUSE_CTL_P1);
4377 if (QLA82XX_FWERROR_CODE(halt_status) == 0x67)
4378 ql4_printk(KERN_ERR, ha, "%s: Firmware aborted with error code 0x00006700. Device is being reset\n",
4380 if (halt_status & HALT_STATUS_UNRECOVERABLE)
4381 halt_status_unrecoverable = 1;
4382 } else if (is_qla8032(ha) || is_qla8042(ha)) {
4383 if (halt_status & QLA83XX_HALT_STATUS_FW_RESET)
4384 ql4_printk(KERN_ERR, ha, "%s: Firmware error detected device is being reset\n",
4386 else if (halt_status & QLA83XX_HALT_STATUS_UNRECOVERABLE)
4387 halt_status_unrecoverable = 1;
4391 * Since we cannot change dev_state in interrupt context,
4392 * set appropriate DPC flag then wakeup DPC
4394 if (halt_status_unrecoverable) {
4395 set_bit(DPC_HA_UNRECOVERABLE, &ha->dpc_flags);
4397 ql4_printk(KERN_INFO, ha, "%s: detect abort needed!\n",
4399 set_bit(DPC_RESET_HA, &ha->dpc_flags);
4401 qla4xxx_mailbox_premature_completion(ha);
4402 qla4xxx_wake_dpc(ha);
4406 * qla4_8xxx_watchdog - Poll dev state
4407 * @ha: Pointer to host adapter structure.
4409 * Context: Interrupt
4411 void qla4_8xxx_watchdog(struct scsi_qla_host *ha)
4416 if (is_qla8032(ha) &&
4417 (qla4_83xx_is_detached(ha) == QLA_SUCCESS))
4418 WARN_ONCE(1, "%s: iSCSI function %d marked invisible\n",
4419 __func__, ha->func_num);
4421 /* don't poll if reset is going on */
4422 if (!(test_bit(DPC_RESET_ACTIVE, &ha->dpc_flags) ||
4423 test_bit(DPC_RESET_HA, &ha->dpc_flags) ||
4424 test_bit(DPC_RETRY_RESET_HA, &ha->dpc_flags))) {
4425 dev_state = qla4_8xxx_rd_direct(ha, QLA8XXX_CRB_DEV_STATE);
4427 if (qla4_8xxx_check_temp(ha)) {
4428 if (is_qla8022(ha)) {
4429 ql4_printk(KERN_INFO, ha, "disabling pause transmit on port 0 & 1.\n");
4430 qla4_82xx_wr_32(ha, QLA82XX_CRB_NIU + 0x98,
4431 CRB_NIU_XG_PAUSE_CTL_P0 |
4432 CRB_NIU_XG_PAUSE_CTL_P1);
4434 set_bit(DPC_HA_UNRECOVERABLE, &ha->dpc_flags);
4435 qla4xxx_wake_dpc(ha);
4436 } else if (dev_state == QLA8XXX_DEV_NEED_RESET &&
4437 !test_bit(DPC_RESET_HA, &ha->dpc_flags)) {
4439 ql4_printk(KERN_INFO, ha, "%s: HW State: NEED RESET!\n",
4442 if (is_qla8032(ha) || is_qla8042(ha)) {
4443 idc_ctrl = qla4_83xx_rd_reg(ha,
4444 QLA83XX_IDC_DRV_CTRL);
4445 if (!(idc_ctrl & GRACEFUL_RESET_BIT1)) {
4446 ql4_printk(KERN_INFO, ha, "%s: Graceful reset bit is not set\n",
4448 qla4xxx_mailbox_premature_completion(
4453 if ((is_qla8032(ha) || is_qla8042(ha)) ||
4454 (is_qla8022(ha) && !ql4xdontresethba)) {
4455 set_bit(DPC_RESET_HA, &ha->dpc_flags);
4456 qla4xxx_wake_dpc(ha);
4458 } else if (dev_state == QLA8XXX_DEV_NEED_QUIESCENT &&
4459 !test_bit(DPC_HA_NEED_QUIESCENT, &ha->dpc_flags)) {
4460 ql4_printk(KERN_INFO, ha, "%s: HW State: NEED QUIES!\n",
4462 set_bit(DPC_HA_NEED_QUIESCENT, &ha->dpc_flags);
4463 qla4xxx_wake_dpc(ha);
4465 /* Check firmware health */
4466 if (qla4_8xxx_check_fw_alive(ha))
4467 qla4_8xxx_process_fw_error(ha);
4472 static void qla4xxx_check_relogin_flash_ddb(struct iscsi_cls_session *cls_sess)
4474 struct iscsi_session *sess;
4475 struct ddb_entry *ddb_entry;
4476 struct scsi_qla_host *ha;
4478 sess = cls_sess->dd_data;
4479 ddb_entry = sess->dd_data;
4482 if (!(ddb_entry->ddb_type == FLASH_DDB))
4485 if (adapter_up(ha) && !test_bit(DF_RELOGIN, &ddb_entry->flags) &&
4486 !iscsi_is_session_online(cls_sess)) {
4487 if (atomic_read(&ddb_entry->retry_relogin_timer) !=
4489 if (atomic_read(&ddb_entry->retry_relogin_timer) ==
4491 atomic_set(&ddb_entry->retry_relogin_timer,
4493 set_bit(DPC_RELOGIN_DEVICE, &ha->dpc_flags);
4494 set_bit(DF_RELOGIN, &ddb_entry->flags);
4495 DEBUG2(ql4_printk(KERN_INFO, ha,
4496 "%s: index [%d] login device\n",
4497 __func__, ddb_entry->fw_ddb_index));
4499 atomic_dec(&ddb_entry->retry_relogin_timer);
4503 /* Wait for relogin to timeout */
4504 if (atomic_read(&ddb_entry->relogin_timer) &&
4505 (atomic_dec_and_test(&ddb_entry->relogin_timer) != 0)) {
4507 * If the relogin times out and the device is
4508 * still NOT ONLINE then try and relogin again.
4510 if (!iscsi_is_session_online(cls_sess)) {
4511 /* Reset retry relogin timer */
4512 atomic_inc(&ddb_entry->relogin_retry_count);
4513 DEBUG2(ql4_printk(KERN_INFO, ha,
4514 "%s: index[%d] relogin timed out-retrying"
4515 " relogin (%d), retry (%d)\n", __func__,
4516 ddb_entry->fw_ddb_index,
4517 atomic_read(&ddb_entry->relogin_retry_count),
4518 ddb_entry->default_time2wait + 4));
4519 set_bit(DPC_RELOGIN_DEVICE, &ha->dpc_flags);
4520 atomic_set(&ddb_entry->retry_relogin_timer,
4521 ddb_entry->default_time2wait + 4);
4527 * qla4xxx_timer - checks every second for work to do.
4528 * @ha: Pointer to host adapter structure.
4530 static void qla4xxx_timer(struct scsi_qla_host *ha)
4535 iscsi_host_for_each_session(ha->host, qla4xxx_check_relogin_flash_ddb);
4537 /* If we are in the middle of AER/EEH processing
4538 * skip any processing and reschedule the timer
4540 if (test_bit(AF_EEH_BUSY, &ha->flags)) {
4541 mod_timer(&ha->timer, jiffies + HZ);
4545 /* Hardware read to trigger an EEH error during mailbox waits. */
4546 if (!pci_channel_offline(ha->pdev))
4547 pci_read_config_word(ha->pdev, PCI_VENDOR_ID, &w);
4550 qla4_8xxx_watchdog(ha);
4552 if (is_qla40XX(ha)) {
4553 /* Check for heartbeat interval. */
4554 if (ha->firmware_options & FWOPT_HEARTBEAT_ENABLE &&
4555 ha->heartbeat_interval != 0) {
4556 ha->seconds_since_last_heartbeat++;
4557 if (ha->seconds_since_last_heartbeat >
4558 ha->heartbeat_interval + 2)
4559 set_bit(DPC_RESET_HA, &ha->dpc_flags);
4563 /* Process any deferred work. */
4564 if (!list_empty(&ha->work_list))
4567 /* Wakeup the dpc routine for this adapter, if needed. */
4569 test_bit(DPC_RESET_HA, &ha->dpc_flags) ||
4570 test_bit(DPC_RETRY_RESET_HA, &ha->dpc_flags) ||
4571 test_bit(DPC_RELOGIN_DEVICE, &ha->dpc_flags) ||
4572 test_bit(DPC_RESET_HA_FW_CONTEXT, &ha->dpc_flags) ||
4573 test_bit(DPC_RESET_HA_INTR, &ha->dpc_flags) ||
4574 test_bit(DPC_GET_DHCP_IP_ADDR, &ha->dpc_flags) ||
4575 test_bit(DPC_LINK_CHANGED, &ha->dpc_flags) ||
4576 test_bit(DPC_HA_UNRECOVERABLE, &ha->dpc_flags) ||
4577 test_bit(DPC_HA_NEED_QUIESCENT, &ha->dpc_flags) ||
4578 test_bit(DPC_SYSFS_DDB_EXPORT, &ha->dpc_flags) ||
4579 test_bit(DPC_AEN, &ha->dpc_flags)) {
4580 DEBUG2(printk("scsi%ld: %s: scheduling dpc routine"
4581 " - dpc flags = 0x%lx\n",
4582 ha->host_no, __func__, ha->dpc_flags));
4583 qla4xxx_wake_dpc(ha);
4586 /* Reschedule timer thread to call us back in one second */
4587 mod_timer(&ha->timer, jiffies + HZ);
4589 DEBUG2(ha->seconds_since_last_intr++);
4593 * qla4xxx_cmd_wait - waits for all outstanding commands to complete
4594 * @ha: Pointer to host adapter structure.
4596 * This routine stalls the driver until all outstanding commands are returned.
4597 * Caller must release the Hardware Lock prior to calling this routine.
4599 static int qla4xxx_cmd_wait(struct scsi_qla_host *ha)
4602 unsigned long flags;
4603 struct scsi_cmnd *cmd;
4604 unsigned long wtime;
4608 wtmo = WAIT_CMD_TOV;
4610 wtmo = ha->nx_reset_timeout / 2;
4612 wtime = jiffies + (wtmo * HZ);
4614 DEBUG2(ql4_printk(KERN_INFO, ha,
4615 "Wait up to %u seconds for cmds to complete\n",
4618 while (!time_after_eq(jiffies, wtime)) {
4619 spin_lock_irqsave(&ha->hardware_lock, flags);
4620 /* Find a command that hasn't completed. */
4621 for (index = 0; index < ha->host->can_queue; index++) {
4622 cmd = scsi_host_find_tag(ha->host, index);
4624 * We cannot just check if the index is valid,
4625 * becase if we are run from the scsi eh, then
4626 * the scsi/block layer is going to prevent
4627 * the tag from being released.
4629 if (cmd != NULL && CMD_SP(cmd))
4632 spin_unlock_irqrestore(&ha->hardware_lock, flags);
4634 /* If No Commands are pending, wait is complete */
4635 if (index == ha->host->can_queue)
4640 /* If we timed out on waiting for commands to come back
4645 int qla4xxx_hw_reset(struct scsi_qla_host *ha)
4647 uint32_t ctrl_status;
4648 unsigned long flags = 0;
4650 DEBUG2(printk(KERN_ERR "scsi%ld: %s\n", ha->host_no, __func__));
4652 if (ql4xxx_lock_drvr_wait(ha) != QLA_SUCCESS)
4655 spin_lock_irqsave(&ha->hardware_lock, flags);
4658 * If the SCSI Reset Interrupt bit is set, clear it.
4659 * Otherwise, the Soft Reset won't work.
4661 ctrl_status = readw(&ha->reg->ctrl_status);
4662 if ((ctrl_status & CSR_SCSI_RESET_INTR) != 0)
4663 writel(set_rmask(CSR_SCSI_RESET_INTR), &ha->reg->ctrl_status);
4665 /* Issue Soft Reset */
4666 writel(set_rmask(CSR_SOFT_RESET), &ha->reg->ctrl_status);
4667 readl(&ha->reg->ctrl_status);
4669 spin_unlock_irqrestore(&ha->hardware_lock, flags);
4674 * qla4xxx_soft_reset - performs soft reset.
4675 * @ha: Pointer to host adapter structure.
4677 int qla4xxx_soft_reset(struct scsi_qla_host *ha)
4679 uint32_t max_wait_time;
4680 unsigned long flags = 0;
4682 uint32_t ctrl_status;
4684 status = qla4xxx_hw_reset(ha);
4685 if (status != QLA_SUCCESS)
4689 /* Wait until the Network Reset Intr bit is cleared */
4690 max_wait_time = RESET_INTR_TOV;
4692 spin_lock_irqsave(&ha->hardware_lock, flags);
4693 ctrl_status = readw(&ha->reg->ctrl_status);
4694 spin_unlock_irqrestore(&ha->hardware_lock, flags);
4696 if ((ctrl_status & CSR_NET_RESET_INTR) == 0)
4700 } while ((--max_wait_time));
4702 if ((ctrl_status & CSR_NET_RESET_INTR) != 0) {
4703 DEBUG2(printk(KERN_WARNING
4704 "scsi%ld: Network Reset Intr not cleared by "
4705 "Network function, clearing it now!\n",
4707 spin_lock_irqsave(&ha->hardware_lock, flags);
4708 writel(set_rmask(CSR_NET_RESET_INTR), &ha->reg->ctrl_status);
4709 readl(&ha->reg->ctrl_status);
4710 spin_unlock_irqrestore(&ha->hardware_lock, flags);
4713 /* Wait until the firmware tells us the Soft Reset is done */
4714 max_wait_time = SOFT_RESET_TOV;
4716 spin_lock_irqsave(&ha->hardware_lock, flags);
4717 ctrl_status = readw(&ha->reg->ctrl_status);
4718 spin_unlock_irqrestore(&ha->hardware_lock, flags);
4720 if ((ctrl_status & CSR_SOFT_RESET) == 0) {
4721 status = QLA_SUCCESS;
4726 } while ((--max_wait_time));
4729 * Also, make sure that the SCSI Reset Interrupt bit has been cleared
4730 * after the soft reset has taken place.
4732 spin_lock_irqsave(&ha->hardware_lock, flags);
4733 ctrl_status = readw(&ha->reg->ctrl_status);
4734 if ((ctrl_status & CSR_SCSI_RESET_INTR) != 0) {
4735 writel(set_rmask(CSR_SCSI_RESET_INTR), &ha->reg->ctrl_status);
4736 readl(&ha->reg->ctrl_status);
4738 spin_unlock_irqrestore(&ha->hardware_lock, flags);
4740 /* If soft reset fails then most probably the bios on other
4741 * function is also enabled.
4742 * Since the initialization is sequential the other fn
4743 * wont be able to acknowledge the soft reset.
4744 * Issue a force soft reset to workaround this scenario.
4746 if (max_wait_time == 0) {
4747 /* Issue Force Soft Reset */
4748 spin_lock_irqsave(&ha->hardware_lock, flags);
4749 writel(set_rmask(CSR_FORCE_SOFT_RESET), &ha->reg->ctrl_status);
4750 readl(&ha->reg->ctrl_status);
4751 spin_unlock_irqrestore(&ha->hardware_lock, flags);
4752 /* Wait until the firmware tells us the Soft Reset is done */
4753 max_wait_time = SOFT_RESET_TOV;
4755 spin_lock_irqsave(&ha->hardware_lock, flags);
4756 ctrl_status = readw(&ha->reg->ctrl_status);
4757 spin_unlock_irqrestore(&ha->hardware_lock, flags);
4759 if ((ctrl_status & CSR_FORCE_SOFT_RESET) == 0) {
4760 status = QLA_SUCCESS;
4765 } while ((--max_wait_time));
4772 * qla4xxx_abort_active_cmds - returns all outstanding i/o requests to O.S.
4773 * @ha: Pointer to host adapter structure.
4774 * @res: returned scsi status
4776 * This routine is called just prior to a HARD RESET to return all
4777 * outstanding commands back to the Operating System.
4778 * Caller should make sure that the following locks are released
4779 * before this calling routine: Hardware lock, and io_request_lock.
4781 static void qla4xxx_abort_active_cmds(struct scsi_qla_host *ha, int res)
4785 unsigned long flags;
4787 spin_lock_irqsave(&ha->hardware_lock, flags);
4788 for (i = 0; i < ha->host->can_queue; i++) {
4789 srb = qla4xxx_del_from_active_array(ha, i);
4791 srb->cmd->result = res;
4792 kref_put(&srb->srb_ref, qla4xxx_srb_compl);
4795 spin_unlock_irqrestore(&ha->hardware_lock, flags);
4798 void qla4xxx_dead_adapter_cleanup(struct scsi_qla_host *ha)
4800 clear_bit(AF_ONLINE, &ha->flags);
4802 /* Disable the board */
4803 ql4_printk(KERN_INFO, ha, "Disabling the board\n");
4805 qla4xxx_abort_active_cmds(ha, DID_NO_CONNECT << 16);
4806 qla4xxx_mark_all_devices_missing(ha);
4807 clear_bit(AF_INIT_DONE, &ha->flags);
4810 static void qla4xxx_fail_session(struct iscsi_cls_session *cls_session)
4812 struct iscsi_session *sess;
4813 struct ddb_entry *ddb_entry;
4815 sess = cls_session->dd_data;
4816 ddb_entry = sess->dd_data;
4817 ddb_entry->fw_ddb_device_state = DDB_DS_SESSION_FAILED;
4819 if (ddb_entry->ddb_type == FLASH_DDB)
4820 iscsi_block_session(ddb_entry->sess);
4822 iscsi_session_failure(cls_session->dd_data,
4823 ISCSI_ERR_CONN_FAILED);
4827 * qla4xxx_recover_adapter - recovers adapter after a fatal error
4828 * @ha: Pointer to host adapter structure.
4830 static int qla4xxx_recover_adapter(struct scsi_qla_host *ha)
4832 int status = QLA_ERROR;
4833 uint8_t reset_chip = 0;
4837 /* Stall incoming I/O until we are done */
4838 scsi_block_requests(ha->host);
4839 clear_bit(AF_ONLINE, &ha->flags);
4840 clear_bit(AF_LINK_UP, &ha->flags);
4842 DEBUG2(ql4_printk(KERN_INFO, ha, "%s: adapter OFFLINE\n", __func__));
4844 set_bit(DPC_RESET_ACTIVE, &ha->dpc_flags);
4846 if ((is_qla8032(ha) || is_qla8042(ha)) &&
4847 !test_bit(DPC_RESET_HA_FW_CONTEXT, &ha->dpc_flags)) {
4848 ql4_printk(KERN_INFO, ha, "%s: disabling pause transmit on port 0 & 1.\n",
4850 /* disable pause frame for ISP83xx */
4851 qla4_83xx_disable_pause(ha);
4854 iscsi_host_for_each_session(ha->host, qla4xxx_fail_session);
4856 if (test_bit(DPC_RESET_HA, &ha->dpc_flags))
4859 /* For the DPC_RESET_HA_INTR case (ISP-4xxx specific)
4860 * do not reset adapter, jump to initialize_adapter */
4861 if (test_bit(DPC_RESET_HA_INTR, &ha->dpc_flags)) {
4862 status = QLA_SUCCESS;
4863 goto recover_ha_init_adapter;
4866 /* For the ISP-8xxx adapter, issue a stop_firmware if invoked
4867 * from eh_host_reset or ioctl module */
4868 if (is_qla80XX(ha) && !reset_chip &&
4869 test_bit(DPC_RESET_HA_FW_CONTEXT, &ha->dpc_flags)) {
4871 DEBUG2(ql4_printk(KERN_INFO, ha,
4872 "scsi%ld: %s - Performing stop_firmware...\n",
4873 ha->host_no, __func__));
4874 status = ha->isp_ops->reset_firmware(ha);
4875 if (status == QLA_SUCCESS) {
4876 ha->isp_ops->disable_intrs(ha);
4877 qla4xxx_process_aen(ha, FLUSH_DDB_CHANGED_AENS);
4878 qla4xxx_abort_active_cmds(ha, DID_RESET << 16);
4880 /* If the stop_firmware fails then
4881 * reset the entire chip */
4883 clear_bit(DPC_RESET_HA_FW_CONTEXT, &ha->dpc_flags);
4884 set_bit(DPC_RESET_HA, &ha->dpc_flags);
4888 /* Issue full chip reset if recovering from a catastrophic error,
4889 * or if stop_firmware fails for ISP-8xxx.
4890 * This is the default case for ISP-4xxx */
4891 if (is_qla40XX(ha) || reset_chip) {
4895 /* Check if 8XXX firmware is alive or not
4896 * We may have arrived here from NEED_RESET
4898 if (test_bit(AF_FW_RECOVERY, &ha->flags))
4901 wait = jiffies + (FW_ALIVE_WAIT_TOV * HZ);
4902 while (time_before(jiffies, wait)) {
4903 if (qla4_8xxx_check_fw_alive(ha)) {
4904 qla4xxx_mailbox_premature_completion(ha);
4908 set_current_state(TASK_UNINTERRUPTIBLE);
4909 schedule_timeout(HZ);
4912 if (!test_bit(AF_FW_RECOVERY, &ha->flags))
4913 qla4xxx_cmd_wait(ha);
4915 qla4xxx_process_aen(ha, FLUSH_DDB_CHANGED_AENS);
4916 DEBUG2(ql4_printk(KERN_INFO, ha,
4917 "scsi%ld: %s - Performing chip reset..\n",
4918 ha->host_no, __func__));
4919 status = ha->isp_ops->reset_chip(ha);
4920 qla4xxx_abort_active_cmds(ha, DID_RESET << 16);
4923 /* Flush any pending ddb changed AENs */
4924 qla4xxx_process_aen(ha, FLUSH_DDB_CHANGED_AENS);
4926 recover_ha_init_adapter:
4927 /* Upon successful firmware/chip reset, re-initialize the adapter */
4928 if (status == QLA_SUCCESS) {
4929 /* For ISP-4xxx, force function 1 to always initialize
4930 * before function 3 to prevent both funcions from
4931 * stepping on top of the other */
4932 if (is_qla40XX(ha) && (ha->mac_index == 3))
4935 /* NOTE: AF_ONLINE flag set upon successful completion of
4936 * qla4xxx_initialize_adapter */
4937 status = qla4xxx_initialize_adapter(ha, RESET_ADAPTER);
4938 if (is_qla80XX(ha) && (status == QLA_ERROR)) {
4939 status = qla4_8xxx_check_init_adapter_retry(ha);
4940 if (status == QLA_ERROR) {
4941 ql4_printk(KERN_INFO, ha, "scsi%ld: %s: Don't retry recover adapter\n",
4942 ha->host_no, __func__);
4943 qla4xxx_dead_adapter_cleanup(ha);
4944 clear_bit(DPC_RETRY_RESET_HA, &ha->dpc_flags);
4945 clear_bit(DPC_RESET_HA, &ha->dpc_flags);
4946 clear_bit(DPC_RESET_HA_FW_CONTEXT,
4953 /* Retry failed adapter initialization, if necessary
4954 * Do not retry initialize_adapter for RESET_HA_INTR (ISP-4xxx specific)
4955 * case to prevent ping-pong resets between functions */
4956 if (!test_bit(AF_ONLINE, &ha->flags) &&
4957 !test_bit(DPC_RESET_HA_INTR, &ha->dpc_flags)) {
4958 /* Adapter initialization failed, see if we can retry
4960 * Since we don't want to block the DPC for too long
4961 * with multiple resets in the same thread,
4962 * utilize DPC to retry */
4963 if (is_qla80XX(ha)) {
4964 ha->isp_ops->idc_lock(ha);
4965 dev_state = qla4_8xxx_rd_direct(ha,
4966 QLA8XXX_CRB_DEV_STATE);
4967 ha->isp_ops->idc_unlock(ha);
4968 if (dev_state == QLA8XXX_DEV_FAILED) {
4969 ql4_printk(KERN_INFO, ha, "%s: don't retry "
4970 "recover adapter. H/W is in Failed "
4971 "state\n", __func__);
4972 qla4xxx_dead_adapter_cleanup(ha);
4973 clear_bit(DPC_RETRY_RESET_HA, &ha->dpc_flags);
4974 clear_bit(DPC_RESET_HA, &ha->dpc_flags);
4975 clear_bit(DPC_RESET_HA_FW_CONTEXT,
4983 if (!test_bit(DPC_RETRY_RESET_HA, &ha->dpc_flags)) {
4984 ha->retry_reset_ha_cnt = MAX_RESET_HA_RETRIES;
4985 DEBUG2(printk("scsi%ld: recover adapter - retrying "
4986 "(%d) more times\n", ha->host_no,
4987 ha->retry_reset_ha_cnt));
4988 set_bit(DPC_RETRY_RESET_HA, &ha->dpc_flags);
4991 if (ha->retry_reset_ha_cnt > 0) {
4992 /* Schedule another Reset HA--DPC will retry */
4993 ha->retry_reset_ha_cnt--;
4994 DEBUG2(printk("scsi%ld: recover adapter - "
4995 "retry remaining %d\n",
4997 ha->retry_reset_ha_cnt));
5001 if (ha->retry_reset_ha_cnt == 0) {
5002 /* Recover adapter retries have been exhausted.
5004 DEBUG2(printk("scsi%ld: recover adapter "
5005 "failed - board disabled\n",
5007 qla4xxx_dead_adapter_cleanup(ha);
5008 clear_bit(DPC_RETRY_RESET_HA, &ha->dpc_flags);
5009 clear_bit(DPC_RESET_HA, &ha->dpc_flags);
5010 clear_bit(DPC_RESET_HA_FW_CONTEXT,
5016 clear_bit(DPC_RESET_HA, &ha->dpc_flags);
5017 clear_bit(DPC_RESET_HA_FW_CONTEXT, &ha->dpc_flags);
5018 clear_bit(DPC_RETRY_RESET_HA, &ha->dpc_flags);
5022 ha->adapter_error_count++;
5024 if (test_bit(AF_ONLINE, &ha->flags))
5025 ha->isp_ops->enable_intrs(ha);
5027 scsi_unblock_requests(ha->host);
5029 clear_bit(DPC_RESET_ACTIVE, &ha->dpc_flags);
5030 DEBUG2(printk("scsi%ld: recover adapter: %s\n", ha->host_no,
5031 status == QLA_ERROR ? "FAILED" : "SUCCEEDED"));
5036 static void qla4xxx_relogin_devices(struct iscsi_cls_session *cls_session)
5038 struct iscsi_session *sess;
5039 struct ddb_entry *ddb_entry;
5040 struct scsi_qla_host *ha;
5042 sess = cls_session->dd_data;
5043 ddb_entry = sess->dd_data;
5045 if (!iscsi_is_session_online(cls_session)) {
5046 if (ddb_entry->fw_ddb_device_state == DDB_DS_SESSION_ACTIVE) {
5047 ql4_printk(KERN_INFO, ha, "scsi%ld: %s: ddb[%d]"
5048 " unblock session\n", ha->host_no, __func__,
5049 ddb_entry->fw_ddb_index);
5050 iscsi_unblock_session(ddb_entry->sess);
5052 /* Trigger relogin */
5053 if (ddb_entry->ddb_type == FLASH_DDB) {
5054 if (!(test_bit(DF_RELOGIN, &ddb_entry->flags) ||
5055 test_bit(DF_DISABLE_RELOGIN,
5056 &ddb_entry->flags)))
5057 qla4xxx_arm_relogin_timer(ddb_entry);
5059 iscsi_session_failure(cls_session->dd_data,
5060 ISCSI_ERR_CONN_FAILED);
5065 int qla4xxx_unblock_flash_ddb(struct iscsi_cls_session *cls_session)
5067 struct iscsi_session *sess;
5068 struct ddb_entry *ddb_entry;
5069 struct scsi_qla_host *ha;
5071 sess = cls_session->dd_data;
5072 ddb_entry = sess->dd_data;
5074 ql4_printk(KERN_INFO, ha, "scsi%ld: %s: ddb[%d]"
5075 " unblock session\n", ha->host_no, __func__,
5076 ddb_entry->fw_ddb_index);
5078 iscsi_unblock_session(ddb_entry->sess);
5080 /* Start scan target */
5081 if (test_bit(AF_ONLINE, &ha->flags)) {
5082 ql4_printk(KERN_INFO, ha, "scsi%ld: %s: ddb[%d]"
5083 " start scan\n", ha->host_no, __func__,
5084 ddb_entry->fw_ddb_index);
5085 scsi_queue_work(ha->host, &ddb_entry->sess->scan_work);
5090 int qla4xxx_unblock_ddb(struct iscsi_cls_session *cls_session)
5092 struct iscsi_session *sess;
5093 struct ddb_entry *ddb_entry;
5094 struct scsi_qla_host *ha;
5095 int status = QLA_SUCCESS;
5097 sess = cls_session->dd_data;
5098 ddb_entry = sess->dd_data;
5100 ql4_printk(KERN_INFO, ha, "scsi%ld: %s: ddb[%d]"
5101 " unblock user space session\n", ha->host_no, __func__,
5102 ddb_entry->fw_ddb_index);
5104 if (!iscsi_is_session_online(cls_session)) {
5105 iscsi_conn_start(ddb_entry->conn);
5106 iscsi_conn_login_event(ddb_entry->conn,
5107 ISCSI_CONN_STATE_LOGGED_IN);
5109 ql4_printk(KERN_INFO, ha,
5110 "scsi%ld: %s: ddb[%d] session [%d] already logged in\n",
5111 ha->host_no, __func__, ddb_entry->fw_ddb_index,
5119 static void qla4xxx_relogin_all_devices(struct scsi_qla_host *ha)
5121 iscsi_host_for_each_session(ha->host, qla4xxx_relogin_devices);
5124 static void qla4xxx_relogin_flash_ddb(struct iscsi_cls_session *cls_sess)
5126 uint16_t relogin_timer;
5127 struct iscsi_session *sess;
5128 struct ddb_entry *ddb_entry;
5129 struct scsi_qla_host *ha;
5131 sess = cls_sess->dd_data;
5132 ddb_entry = sess->dd_data;
5135 relogin_timer = max(ddb_entry->default_relogin_timeout,
5136 (uint16_t)RELOGIN_TOV);
5137 atomic_set(&ddb_entry->relogin_timer, relogin_timer);
5139 DEBUG2(ql4_printk(KERN_INFO, ha,
5140 "scsi%ld: Relogin index [%d]. TOV=%d\n", ha->host_no,
5141 ddb_entry->fw_ddb_index, relogin_timer));
5143 qla4xxx_login_flash_ddb(cls_sess);
5146 static void qla4xxx_dpc_relogin(struct iscsi_cls_session *cls_sess)
5148 struct iscsi_session *sess;
5149 struct ddb_entry *ddb_entry;
5150 struct scsi_qla_host *ha;
5152 sess = cls_sess->dd_data;
5153 ddb_entry = sess->dd_data;
5156 if (!(ddb_entry->ddb_type == FLASH_DDB))
5159 if (test_bit(DF_DISABLE_RELOGIN, &ddb_entry->flags))
5162 if (test_and_clear_bit(DF_RELOGIN, &ddb_entry->flags) &&
5163 !iscsi_is_session_online(cls_sess)) {
5164 DEBUG2(ql4_printk(KERN_INFO, ha,
5165 "relogin issued\n"));
5166 qla4xxx_relogin_flash_ddb(cls_sess);
5170 void qla4xxx_wake_dpc(struct scsi_qla_host *ha)
5173 queue_work(ha->dpc_thread, &ha->dpc_work);
5176 static struct qla4_work_evt *
5177 qla4xxx_alloc_work(struct scsi_qla_host *ha, uint32_t data_size,
5178 enum qla4_work_type type)
5180 struct qla4_work_evt *e;
5181 uint32_t size = sizeof(struct qla4_work_evt) + data_size;
5183 e = kzalloc(size, GFP_ATOMIC);
5187 INIT_LIST_HEAD(&e->list);
5192 static void qla4xxx_post_work(struct scsi_qla_host *ha,
5193 struct qla4_work_evt *e)
5195 unsigned long flags;
5197 spin_lock_irqsave(&ha->work_lock, flags);
5198 list_add_tail(&e->list, &ha->work_list);
5199 spin_unlock_irqrestore(&ha->work_lock, flags);
5200 qla4xxx_wake_dpc(ha);
5203 int qla4xxx_post_aen_work(struct scsi_qla_host *ha,
5204 enum iscsi_host_event_code aen_code,
5205 uint32_t data_size, uint8_t *data)
5207 struct qla4_work_evt *e;
5209 e = qla4xxx_alloc_work(ha, data_size, QLA4_EVENT_AEN);
5213 e->u.aen.code = aen_code;
5214 e->u.aen.data_size = data_size;
5215 memcpy(e->u.aen.data, data, data_size);
5217 qla4xxx_post_work(ha, e);
5222 int qla4xxx_post_ping_evt_work(struct scsi_qla_host *ha,
5223 uint32_t status, uint32_t pid,
5224 uint32_t data_size, uint8_t *data)
5226 struct qla4_work_evt *e;
5228 e = qla4xxx_alloc_work(ha, data_size, QLA4_EVENT_PING_STATUS);
5232 e->u.ping.status = status;
5233 e->u.ping.pid = pid;
5234 e->u.ping.data_size = data_size;
5235 memcpy(e->u.ping.data, data, data_size);
5237 qla4xxx_post_work(ha, e);
5242 static void qla4xxx_do_work(struct scsi_qla_host *ha)
5244 struct qla4_work_evt *e, *tmp;
5245 unsigned long flags;
5248 spin_lock_irqsave(&ha->work_lock, flags);
5249 list_splice_init(&ha->work_list, &work);
5250 spin_unlock_irqrestore(&ha->work_lock, flags);
5252 list_for_each_entry_safe(e, tmp, &work, list) {
5253 list_del_init(&e->list);
5256 case QLA4_EVENT_AEN:
5257 iscsi_post_host_event(ha->host_no,
5258 &qla4xxx_iscsi_transport,
5263 case QLA4_EVENT_PING_STATUS:
5264 iscsi_ping_comp_event(ha->host_no,
5265 &qla4xxx_iscsi_transport,
5268 e->u.ping.data_size,
5272 ql4_printk(KERN_WARNING, ha, "event type: 0x%x not "
5273 "supported", e->type);
5280 * qla4xxx_do_dpc - dpc routine
5281 * @data: in our case pointer to adapter structure
5283 * This routine is a task that is schedule by the interrupt handler
5284 * to perform the background processing for interrupts. We put it
5285 * on a task queue that is consumed whenever the scheduler runs; that's
5286 * so you can do anything (i.e. put the process to sleep etc). In fact,
5287 * the mid-level tries to sleep when it reaches the driver threshold
5288 * "host->can_queue". This can cause a panic if we were in our interrupt code.
5290 static void qla4xxx_do_dpc(struct work_struct *work)
5292 struct scsi_qla_host *ha =
5293 container_of(work, struct scsi_qla_host, dpc_work);
5294 int status = QLA_ERROR;
5296 DEBUG2(ql4_printk(KERN_INFO, ha,
5297 "scsi%ld: %s: DPC handler waking up. flags = 0x%08lx, dpc_flags = 0x%08lx\n",
5298 ha->host_no, __func__, ha->flags, ha->dpc_flags));
5300 /* Initialization not yet finished. Don't do anything yet. */
5301 if (!test_bit(AF_INIT_DONE, &ha->flags))
5304 if (test_bit(AF_EEH_BUSY, &ha->flags)) {
5305 DEBUG2(printk(KERN_INFO "scsi%ld: %s: flags = %lx\n",
5306 ha->host_no, __func__, ha->flags));
5310 /* post events to application */
5311 qla4xxx_do_work(ha);
5313 if (is_qla80XX(ha)) {
5314 if (test_bit(DPC_HA_UNRECOVERABLE, &ha->dpc_flags)) {
5315 if (is_qla8032(ha) || is_qla8042(ha)) {
5316 ql4_printk(KERN_INFO, ha, "%s: disabling pause transmit on port 0 & 1.\n",
5318 /* disable pause frame for ISP83xx */
5319 qla4_83xx_disable_pause(ha);
5322 ha->isp_ops->idc_lock(ha);
5323 qla4_8xxx_wr_direct(ha, QLA8XXX_CRB_DEV_STATE,
5324 QLA8XXX_DEV_FAILED);
5325 ha->isp_ops->idc_unlock(ha);
5326 ql4_printk(KERN_INFO, ha, "HW State: FAILED\n");
5327 qla4_8xxx_device_state_handler(ha);
5330 if (test_bit(DPC_POST_IDC_ACK, &ha->dpc_flags)) {
5331 if (is_qla8042(ha)) {
5332 if (ha->idc_info.info2 &
5333 ENABLE_INTERNAL_LOOPBACK) {
5334 ql4_printk(KERN_INFO, ha, "%s: Disabling ACB\n",
5336 status = qla4_84xx_config_acb(ha,
5337 ACB_CONFIG_DISABLE);
5338 if (status != QLA_SUCCESS) {
5339 ql4_printk(KERN_INFO, ha, "%s: ACB config failed\n",
5344 qla4_83xx_post_idc_ack(ha);
5345 clear_bit(DPC_POST_IDC_ACK, &ha->dpc_flags);
5348 if (is_qla8042(ha) &&
5349 test_bit(DPC_RESTORE_ACB, &ha->dpc_flags)) {
5350 ql4_printk(KERN_INFO, ha, "%s: Restoring ACB\n",
5352 if (qla4_84xx_config_acb(ha, ACB_CONFIG_SET) !=
5354 ql4_printk(KERN_INFO, ha, "%s: ACB config failed ",
5357 clear_bit(DPC_RESTORE_ACB, &ha->dpc_flags);
5360 if (test_and_clear_bit(DPC_HA_NEED_QUIESCENT, &ha->dpc_flags)) {
5361 qla4_8xxx_need_qsnt_handler(ha);
5365 if (!test_bit(DPC_RESET_ACTIVE, &ha->dpc_flags) &&
5366 (test_bit(DPC_RESET_HA, &ha->dpc_flags) ||
5367 test_bit(DPC_RESET_HA_INTR, &ha->dpc_flags) ||
5368 test_bit(DPC_RESET_HA_FW_CONTEXT, &ha->dpc_flags))) {
5369 if ((is_qla8022(ha) && ql4xdontresethba) ||
5370 ((is_qla8032(ha) || is_qla8042(ha)) &&
5371 qla4_83xx_idc_dontreset(ha))) {
5372 DEBUG2(printk("scsi%ld: %s: Don't Reset HBA\n",
5373 ha->host_no, __func__));
5374 clear_bit(DPC_RESET_HA, &ha->dpc_flags);
5375 clear_bit(DPC_RESET_HA_INTR, &ha->dpc_flags);
5376 clear_bit(DPC_RESET_HA_FW_CONTEXT, &ha->dpc_flags);
5377 goto dpc_post_reset_ha;
5379 if (test_bit(DPC_RESET_HA_FW_CONTEXT, &ha->dpc_flags) ||
5380 test_bit(DPC_RESET_HA, &ha->dpc_flags))
5381 qla4xxx_recover_adapter(ha);
5383 if (test_bit(DPC_RESET_HA_INTR, &ha->dpc_flags)) {
5384 uint8_t wait_time = RESET_INTR_TOV;
5386 while ((readw(&ha->reg->ctrl_status) &
5387 (CSR_SOFT_RESET | CSR_FORCE_SOFT_RESET)) != 0) {
5388 if (--wait_time == 0)
5393 DEBUG2(printk("scsi%ld: %s: SR|FSR "
5394 "bit not cleared-- resetting\n",
5395 ha->host_no, __func__));
5396 qla4xxx_abort_active_cmds(ha, DID_RESET << 16);
5397 if (ql4xxx_lock_drvr_wait(ha) == QLA_SUCCESS) {
5398 qla4xxx_process_aen(ha, FLUSH_DDB_CHANGED_AENS);
5399 status = qla4xxx_recover_adapter(ha);
5401 clear_bit(DPC_RESET_HA_INTR, &ha->dpc_flags);
5402 if (status == QLA_SUCCESS)
5403 ha->isp_ops->enable_intrs(ha);
5408 /* ---- process AEN? --- */
5409 if (test_and_clear_bit(DPC_AEN, &ha->dpc_flags))
5410 qla4xxx_process_aen(ha, PROCESS_ALL_AENS);
5412 /* ---- Get DHCP IP Address? --- */
5413 if (test_and_clear_bit(DPC_GET_DHCP_IP_ADDR, &ha->dpc_flags))
5414 qla4xxx_get_dhcp_ip_address(ha);
5416 /* ---- relogin device? --- */
5417 if (adapter_up(ha) &&
5418 test_and_clear_bit(DPC_RELOGIN_DEVICE, &ha->dpc_flags)) {
5419 iscsi_host_for_each_session(ha->host, qla4xxx_dpc_relogin);
5422 /* ---- link change? --- */
5423 if (!test_bit(AF_LOOPBACK, &ha->flags) &&
5424 test_and_clear_bit(DPC_LINK_CHANGED, &ha->dpc_flags)) {
5425 if (!test_bit(AF_LINK_UP, &ha->flags)) {
5426 /* ---- link down? --- */
5427 qla4xxx_mark_all_devices_missing(ha);
5429 /* ---- link up? --- *
5430 * F/W will auto login to all devices ONLY ONCE after
5431 * link up during driver initialization and runtime
5432 * fatal error recovery. Therefore, the driver must
5433 * manually relogin to devices when recovering from
5434 * connection failures, logouts, expired KATO, etc. */
5435 if (test_and_clear_bit(AF_BUILD_DDB_LIST, &ha->flags)) {
5436 qla4xxx_build_ddb_list(ha, ha->is_reset);
5437 iscsi_host_for_each_session(ha->host,
5438 qla4xxx_login_flash_ddb);
5440 qla4xxx_relogin_all_devices(ha);
5443 if (test_and_clear_bit(DPC_SYSFS_DDB_EXPORT, &ha->dpc_flags)) {
5444 if (qla4xxx_sysfs_ddb_export(ha))
5445 ql4_printk(KERN_ERR, ha, "%s: Error exporting ddb to sysfs\n",
5451 * qla4xxx_free_adapter - release the adapter
5452 * @ha: pointer to adapter structure
5454 static void qla4xxx_free_adapter(struct scsi_qla_host *ha)
5456 qla4xxx_abort_active_cmds(ha, DID_NO_CONNECT << 16);
5458 /* Turn-off interrupts on the card. */
5459 ha->isp_ops->disable_intrs(ha);
5461 if (is_qla40XX(ha)) {
5462 writel(set_rmask(CSR_SCSI_PROCESSOR_INTR),
5463 &ha->reg->ctrl_status);
5464 readl(&ha->reg->ctrl_status);
5465 } else if (is_qla8022(ha)) {
5466 writel(0, &ha->qla4_82xx_reg->host_int);
5467 readl(&ha->qla4_82xx_reg->host_int);
5468 } else if (is_qla8032(ha) || is_qla8042(ha)) {
5469 writel(0, &ha->qla4_83xx_reg->risc_intr);
5470 readl(&ha->qla4_83xx_reg->risc_intr);
5473 /* Remove timer thread, if present */
5474 if (ha->timer_active)
5475 qla4xxx_stop_timer(ha);
5477 /* Kill the kernel thread for this host */
5479 destroy_workqueue(ha->dpc_thread);
5481 /* Kill the kernel thread for this host */
5483 destroy_workqueue(ha->task_wq);
5485 /* Put firmware in known state */
5486 ha->isp_ops->reset_firmware(ha);
5488 if (is_qla80XX(ha)) {
5489 ha->isp_ops->idc_lock(ha);
5490 qla4_8xxx_clear_drv_active(ha);
5491 ha->isp_ops->idc_unlock(ha);
5494 /* Detach interrupts */
5495 qla4xxx_free_irqs(ha);
5497 /* free extra memory */
5498 qla4xxx_mem_free(ha);
5501 int qla4_8xxx_iospace_config(struct scsi_qla_host *ha)
5504 unsigned long mem_base, mem_len, db_base, db_len;
5505 struct pci_dev *pdev = ha->pdev;
5507 status = pci_request_regions(pdev, DRIVER_NAME);
5510 "scsi(%ld) Failed to reserve PIO regions (%s) "
5511 "status=%d\n", ha->host_no, pci_name(pdev), status);
5512 goto iospace_error_exit;
5515 DEBUG2(printk(KERN_INFO "%s: revision-id=%d\n",
5516 __func__, pdev->revision));
5517 ha->revision_id = pdev->revision;
5519 /* remap phys address */
5520 mem_base = pci_resource_start(pdev, 0); /* 0 is for BAR 0 */
5521 mem_len = pci_resource_len(pdev, 0);
5522 DEBUG2(printk(KERN_INFO "%s: ioremap from %lx a size of %lx\n",
5523 __func__, mem_base, mem_len));
5525 /* mapping of pcibase pointer */
5526 ha->nx_pcibase = (unsigned long)ioremap(mem_base, mem_len);
5527 if (!ha->nx_pcibase) {
5529 "cannot remap MMIO (%s), aborting\n", pci_name(pdev));
5530 pci_release_regions(ha->pdev);
5531 goto iospace_error_exit;
5534 /* Mapping of IO base pointer, door bell read and write pointer */
5536 /* mapping of IO base pointer */
5537 if (is_qla8022(ha)) {
5538 ha->qla4_82xx_reg = (struct device_reg_82xx __iomem *)
5539 ((uint8_t *)ha->nx_pcibase + 0xbc000 +
5540 (ha->pdev->devfn << 11));
5541 ha->nx_db_wr_ptr = (ha->pdev->devfn == 4 ? QLA82XX_CAM_RAM_DB1 :
5542 QLA82XX_CAM_RAM_DB2);
5543 } else if (is_qla8032(ha) || is_qla8042(ha)) {
5544 ha->qla4_83xx_reg = (struct device_reg_83xx __iomem *)
5545 ((uint8_t *)ha->nx_pcibase);
5548 db_base = pci_resource_start(pdev, 4); /* doorbell is on bar 4 */
5549 db_len = pci_resource_len(pdev, 4);
5557 * qla4xxx_iospace_config - maps registers
5558 * @ha: pointer to adapter structure
5560 * This routines maps HBA's registers from the pci address space
5561 * into the kernel virtual address space for memory mapped i/o.
5563 int qla4xxx_iospace_config(struct scsi_qla_host *ha)
5565 unsigned long pio, pio_len, pio_flags;
5566 unsigned long mmio, mmio_len, mmio_flags;
5568 pio = pci_resource_start(ha->pdev, 0);
5569 pio_len = pci_resource_len(ha->pdev, 0);
5570 pio_flags = pci_resource_flags(ha->pdev, 0);
5571 if (pio_flags & IORESOURCE_IO) {
5572 if (pio_len < MIN_IOBASE_LEN) {
5573 ql4_printk(KERN_WARNING, ha,
5574 "Invalid PCI I/O region size\n");
5578 ql4_printk(KERN_WARNING, ha, "region #0 not a PIO resource\n");
5582 /* Use MMIO operations for all accesses. */
5583 mmio = pci_resource_start(ha->pdev, 1);
5584 mmio_len = pci_resource_len(ha->pdev, 1);
5585 mmio_flags = pci_resource_flags(ha->pdev, 1);
5587 if (!(mmio_flags & IORESOURCE_MEM)) {
5588 ql4_printk(KERN_ERR, ha,
5589 "region #0 not an MMIO resource, aborting\n");
5591 goto iospace_error_exit;
5594 if (mmio_len < MIN_IOBASE_LEN) {
5595 ql4_printk(KERN_ERR, ha,
5596 "Invalid PCI mem region size, aborting\n");
5597 goto iospace_error_exit;
5600 if (pci_request_regions(ha->pdev, DRIVER_NAME)) {
5601 ql4_printk(KERN_WARNING, ha,
5602 "Failed to reserve PIO/MMIO regions\n");
5604 goto iospace_error_exit;
5607 ha->pio_address = pio;
5608 ha->pio_length = pio_len;
5609 ha->reg = ioremap(mmio, MIN_IOBASE_LEN);
5611 ql4_printk(KERN_ERR, ha,
5612 "cannot remap MMIO, aborting\n");
5614 goto iospace_error_exit;
5623 static struct isp_operations qla4xxx_isp_ops = {
5624 .iospace_config = qla4xxx_iospace_config,
5625 .pci_config = qla4xxx_pci_config,
5626 .disable_intrs = qla4xxx_disable_intrs,
5627 .enable_intrs = qla4xxx_enable_intrs,
5628 .start_firmware = qla4xxx_start_firmware,
5629 .intr_handler = qla4xxx_intr_handler,
5630 .interrupt_service_routine = qla4xxx_interrupt_service_routine,
5631 .reset_chip = qla4xxx_soft_reset,
5632 .reset_firmware = qla4xxx_hw_reset,
5633 .queue_iocb = qla4xxx_queue_iocb,
5634 .complete_iocb = qla4xxx_complete_iocb,
5635 .rd_shdw_req_q_out = qla4xxx_rd_shdw_req_q_out,
5636 .rd_shdw_rsp_q_in = qla4xxx_rd_shdw_rsp_q_in,
5637 .get_sys_info = qla4xxx_get_sys_info,
5638 .queue_mailbox_command = qla4xxx_queue_mbox_cmd,
5639 .process_mailbox_interrupt = qla4xxx_process_mbox_intr,
5642 static struct isp_operations qla4_82xx_isp_ops = {
5643 .iospace_config = qla4_8xxx_iospace_config,
5644 .pci_config = qla4_8xxx_pci_config,
5645 .disable_intrs = qla4_82xx_disable_intrs,
5646 .enable_intrs = qla4_82xx_enable_intrs,
5647 .start_firmware = qla4_8xxx_load_risc,
5648 .restart_firmware = qla4_82xx_try_start_fw,
5649 .intr_handler = qla4_82xx_intr_handler,
5650 .interrupt_service_routine = qla4_82xx_interrupt_service_routine,
5651 .need_reset = qla4_8xxx_need_reset,
5652 .reset_chip = qla4_82xx_isp_reset,
5653 .reset_firmware = qla4_8xxx_stop_firmware,
5654 .queue_iocb = qla4_82xx_queue_iocb,
5655 .complete_iocb = qla4_82xx_complete_iocb,
5656 .rd_shdw_req_q_out = qla4_82xx_rd_shdw_req_q_out,
5657 .rd_shdw_rsp_q_in = qla4_82xx_rd_shdw_rsp_q_in,
5658 .get_sys_info = qla4_8xxx_get_sys_info,
5659 .rd_reg_direct = qla4_82xx_rd_32,
5660 .wr_reg_direct = qla4_82xx_wr_32,
5661 .rd_reg_indirect = qla4_82xx_md_rd_32,
5662 .wr_reg_indirect = qla4_82xx_md_wr_32,
5663 .idc_lock = qla4_82xx_idc_lock,
5664 .idc_unlock = qla4_82xx_idc_unlock,
5665 .rom_lock_recovery = qla4_82xx_rom_lock_recovery,
5666 .queue_mailbox_command = qla4_82xx_queue_mbox_cmd,
5667 .process_mailbox_interrupt = qla4_82xx_process_mbox_intr,
5670 static struct isp_operations qla4_83xx_isp_ops = {
5671 .iospace_config = qla4_8xxx_iospace_config,
5672 .pci_config = qla4_8xxx_pci_config,
5673 .disable_intrs = qla4_83xx_disable_intrs,
5674 .enable_intrs = qla4_83xx_enable_intrs,
5675 .start_firmware = qla4_8xxx_load_risc,
5676 .restart_firmware = qla4_83xx_start_firmware,
5677 .intr_handler = qla4_83xx_intr_handler,
5678 .interrupt_service_routine = qla4_83xx_interrupt_service_routine,
5679 .need_reset = qla4_8xxx_need_reset,
5680 .reset_chip = qla4_83xx_isp_reset,
5681 .reset_firmware = qla4_8xxx_stop_firmware,
5682 .queue_iocb = qla4_83xx_queue_iocb,
5683 .complete_iocb = qla4_83xx_complete_iocb,
5684 .rd_shdw_req_q_out = qla4xxx_rd_shdw_req_q_out,
5685 .rd_shdw_rsp_q_in = qla4xxx_rd_shdw_rsp_q_in,
5686 .get_sys_info = qla4_8xxx_get_sys_info,
5687 .rd_reg_direct = qla4_83xx_rd_reg,
5688 .wr_reg_direct = qla4_83xx_wr_reg,
5689 .rd_reg_indirect = qla4_83xx_rd_reg_indirect,
5690 .wr_reg_indirect = qla4_83xx_wr_reg_indirect,
5691 .idc_lock = qla4_83xx_drv_lock,
5692 .idc_unlock = qla4_83xx_drv_unlock,
5693 .rom_lock_recovery = qla4_83xx_rom_lock_recovery,
5694 .queue_mailbox_command = qla4_83xx_queue_mbox_cmd,
5695 .process_mailbox_interrupt = qla4_83xx_process_mbox_intr,
5698 uint16_t qla4xxx_rd_shdw_req_q_out(struct scsi_qla_host *ha)
5700 return (uint16_t)le32_to_cpu(ha->shadow_regs->req_q_out);
5703 uint16_t qla4_82xx_rd_shdw_req_q_out(struct scsi_qla_host *ha)
5705 return (uint16_t)le32_to_cpu(readl(&ha->qla4_82xx_reg->req_q_out));
5708 uint16_t qla4xxx_rd_shdw_rsp_q_in(struct scsi_qla_host *ha)
5710 return (uint16_t)le32_to_cpu(ha->shadow_regs->rsp_q_in);
5713 uint16_t qla4_82xx_rd_shdw_rsp_q_in(struct scsi_qla_host *ha)
5715 return (uint16_t)le32_to_cpu(readl(&ha->qla4_82xx_reg->rsp_q_in));
5718 static ssize_t qla4xxx_show_boot_eth_info(void *data, int type, char *buf)
5720 struct scsi_qla_host *ha = data;
5725 case ISCSI_BOOT_ETH_FLAGS:
5726 rc = sprintf(str, "%d\n", SYSFS_FLAG_FW_SEL_BOOT);
5728 case ISCSI_BOOT_ETH_INDEX:
5729 rc = sprintf(str, "0\n");
5731 case ISCSI_BOOT_ETH_MAC:
5732 rc = sysfs_format_mac(str, ha->my_mac,
5742 static umode_t qla4xxx_eth_get_attr_visibility(void *data, int type)
5747 case ISCSI_BOOT_ETH_FLAGS:
5748 case ISCSI_BOOT_ETH_MAC:
5749 case ISCSI_BOOT_ETH_INDEX:
5759 static ssize_t qla4xxx_show_boot_ini_info(void *data, int type, char *buf)
5761 struct scsi_qla_host *ha = data;
5766 case ISCSI_BOOT_INI_INITIATOR_NAME:
5767 rc = sprintf(str, "%s\n", ha->name_string);
5776 static umode_t qla4xxx_ini_get_attr_visibility(void *data, int type)
5781 case ISCSI_BOOT_INI_INITIATOR_NAME:
5792 qla4xxx_show_boot_tgt_info(struct ql4_boot_session_info *boot_sess, int type,
5795 struct ql4_conn_info *boot_conn = &boot_sess->conn_list[0];
5800 case ISCSI_BOOT_TGT_NAME:
5801 rc = sprintf(buf, "%s\n", (char *)&boot_sess->target_name);
5803 case ISCSI_BOOT_TGT_IP_ADDR:
5804 if (boot_sess->conn_list[0].dest_ipaddr.ip_type == 0x1)
5805 rc = sprintf(buf, "%pI4\n",
5806 &boot_conn->dest_ipaddr.ip_address);
5808 rc = sprintf(str, "%pI6\n",
5809 &boot_conn->dest_ipaddr.ip_address);
5811 case ISCSI_BOOT_TGT_PORT:
5812 rc = sprintf(str, "%d\n", boot_conn->dest_port);
5814 case ISCSI_BOOT_TGT_CHAP_NAME:
5815 rc = sprintf(str, "%.*s\n",
5816 boot_conn->chap.target_chap_name_length,
5817 (char *)&boot_conn->chap.target_chap_name);
5819 case ISCSI_BOOT_TGT_CHAP_SECRET:
5820 rc = sprintf(str, "%.*s\n",
5821 boot_conn->chap.target_secret_length,
5822 (char *)&boot_conn->chap.target_secret);
5824 case ISCSI_BOOT_TGT_REV_CHAP_NAME:
5825 rc = sprintf(str, "%.*s\n",
5826 boot_conn->chap.intr_chap_name_length,
5827 (char *)&boot_conn->chap.intr_chap_name);
5829 case ISCSI_BOOT_TGT_REV_CHAP_SECRET:
5830 rc = sprintf(str, "%.*s\n",
5831 boot_conn->chap.intr_secret_length,
5832 (char *)&boot_conn->chap.intr_secret);
5834 case ISCSI_BOOT_TGT_FLAGS:
5835 rc = sprintf(str, "%d\n", SYSFS_FLAG_FW_SEL_BOOT);
5837 case ISCSI_BOOT_TGT_NIC_ASSOC:
5838 rc = sprintf(str, "0\n");
5847 static ssize_t qla4xxx_show_boot_tgt_pri_info(void *data, int type, char *buf)
5849 struct scsi_qla_host *ha = data;
5850 struct ql4_boot_session_info *boot_sess = &(ha->boot_tgt.boot_pri_sess);
5852 return qla4xxx_show_boot_tgt_info(boot_sess, type, buf);
5855 static ssize_t qla4xxx_show_boot_tgt_sec_info(void *data, int type, char *buf)
5857 struct scsi_qla_host *ha = data;
5858 struct ql4_boot_session_info *boot_sess = &(ha->boot_tgt.boot_sec_sess);
5860 return qla4xxx_show_boot_tgt_info(boot_sess, type, buf);
5863 static umode_t qla4xxx_tgt_get_attr_visibility(void *data, int type)
5868 case ISCSI_BOOT_TGT_NAME:
5869 case ISCSI_BOOT_TGT_IP_ADDR:
5870 case ISCSI_BOOT_TGT_PORT:
5871 case ISCSI_BOOT_TGT_CHAP_NAME:
5872 case ISCSI_BOOT_TGT_CHAP_SECRET:
5873 case ISCSI_BOOT_TGT_REV_CHAP_NAME:
5874 case ISCSI_BOOT_TGT_REV_CHAP_SECRET:
5875 case ISCSI_BOOT_TGT_NIC_ASSOC:
5876 case ISCSI_BOOT_TGT_FLAGS:
5886 static void qla4xxx_boot_release(void *data)
5888 struct scsi_qla_host *ha = data;
5890 scsi_host_put(ha->host);
5893 static int get_fw_boot_info(struct scsi_qla_host *ha, uint16_t ddb_index[])
5896 uint32_t addr, pri_addr, sec_addr;
5900 uint8_t *buf = NULL;
5901 size_t size = 13 * sizeof(uint8_t);
5902 int ret = QLA_SUCCESS;
5904 func_num = PCI_FUNC(ha->pdev->devfn);
5906 ql4_printk(KERN_INFO, ha, "%s: Get FW boot info for 0x%x func %d\n",
5907 __func__, ha->pdev->device, func_num);
5909 if (is_qla40XX(ha)) {
5910 if (func_num == 1) {
5911 addr = NVRAM_PORT0_BOOT_MODE;
5912 pri_addr = NVRAM_PORT0_BOOT_PRI_TGT;
5913 sec_addr = NVRAM_PORT0_BOOT_SEC_TGT;
5914 } else if (func_num == 3) {
5915 addr = NVRAM_PORT1_BOOT_MODE;
5916 pri_addr = NVRAM_PORT1_BOOT_PRI_TGT;
5917 sec_addr = NVRAM_PORT1_BOOT_SEC_TGT;
5920 goto exit_boot_info;
5923 /* Check Boot Mode */
5924 val = rd_nvram_byte(ha, addr);
5925 if (!(val & 0x07)) {
5926 DEBUG2(ql4_printk(KERN_INFO, ha, "%s: Adapter boot "
5927 "options : 0x%x\n", __func__, val));
5929 goto exit_boot_info;
5932 /* get primary valid target index */
5933 val = rd_nvram_byte(ha, pri_addr);
5935 ddb_index[0] = (val & 0x7f);
5937 /* get secondary valid target index */
5938 val = rd_nvram_byte(ha, sec_addr);
5940 ddb_index[1] = (val & 0x7f);
5941 goto exit_boot_info;
5942 } else if (is_qla80XX(ha)) {
5943 buf = dma_alloc_coherent(&ha->pdev->dev, size,
5944 &buf_dma, GFP_KERNEL);
5946 DEBUG2(ql4_printk(KERN_ERR, ha,
5947 "%s: Unable to allocate dma buffer\n",
5950 goto exit_boot_info;
5953 if (ha->port_num == 0)
5954 offset = BOOT_PARAM_OFFSET_PORT0;
5955 else if (ha->port_num == 1)
5956 offset = BOOT_PARAM_OFFSET_PORT1;
5959 goto exit_boot_info_free;
5961 addr = FLASH_RAW_ACCESS_ADDR + (ha->hw.flt_iscsi_param * 4) +
5963 if (qla4xxx_get_flash(ha, buf_dma, addr,
5964 13 * sizeof(uint8_t)) != QLA_SUCCESS) {
5965 DEBUG2(ql4_printk(KERN_ERR, ha, "scsi%ld: %s: Get Flash"
5966 " failed\n", ha->host_no, __func__));
5968 goto exit_boot_info_free;
5970 /* Check Boot Mode */
5971 if (!(buf[1] & 0x07)) {
5972 DEBUG2(ql4_printk(KERN_INFO, ha, "Firmware boot options"
5973 " : 0x%x\n", buf[1]));
5975 goto exit_boot_info_free;
5978 /* get primary valid target index */
5980 ddb_index[0] = buf[2] & 0x7f;
5982 /* get secondary valid target index */
5983 if (buf[11] & BIT_7)
5984 ddb_index[1] = buf[11] & 0x7f;
5987 goto exit_boot_info;
5990 DEBUG2(ql4_printk(KERN_INFO, ha, "%s: Primary target ID %d, Secondary"
5991 " target ID %d\n", __func__, ddb_index[0],
5994 exit_boot_info_free:
5995 dma_free_coherent(&ha->pdev->dev, size, buf, buf_dma);
5997 ha->pri_ddb_idx = ddb_index[0];
5998 ha->sec_ddb_idx = ddb_index[1];
6003 * qla4xxx_get_bidi_chap - Get a BIDI CHAP user and password
6004 * @ha: pointer to adapter structure
6005 * @username: CHAP username to be returned
6006 * @password: CHAP password to be returned
6008 * If a boot entry has BIDI CHAP enabled then we need to set the BIDI CHAP
6009 * user and password in the sysfs entry in /sys/firmware/iscsi_boot#/.
6010 * So from the CHAP cache find the first BIDI CHAP entry and set it
6011 * to the boot record in sysfs.
6013 static int qla4xxx_get_bidi_chap(struct scsi_qla_host *ha, char *username,
6016 int i, ret = -EINVAL;
6017 int max_chap_entries = 0;
6018 struct ql4_chap_table *chap_table;
6021 max_chap_entries = (ha->hw.flt_chap_size / 2) /
6022 sizeof(struct ql4_chap_table);
6024 max_chap_entries = MAX_CHAP_ENTRIES_40XX;
6026 if (!ha->chap_list) {
6027 ql4_printk(KERN_ERR, ha, "Do not have CHAP table cache\n");
6031 mutex_lock(&ha->chap_sem);
6032 for (i = 0; i < max_chap_entries; i++) {
6033 chap_table = (struct ql4_chap_table *)ha->chap_list + i;
6034 if (chap_table->cookie !=
6035 __constant_cpu_to_le16(CHAP_VALID_COOKIE)) {
6039 if (chap_table->flags & BIT_7) /* local */
6042 if (!(chap_table->flags & BIT_6)) /* Not BIDI */
6045 strlcpy(password, chap_table->secret, QL4_CHAP_MAX_SECRET_LEN);
6046 strlcpy(username, chap_table->name, QL4_CHAP_MAX_NAME_LEN);
6050 mutex_unlock(&ha->chap_sem);
6056 static int qla4xxx_get_boot_target(struct scsi_qla_host *ha,
6057 struct ql4_boot_session_info *boot_sess,
6060 struct ql4_conn_info *boot_conn = &boot_sess->conn_list[0];
6061 struct dev_db_entry *fw_ddb_entry;
6062 dma_addr_t fw_ddb_entry_dma;
6065 int ret = QLA_SUCCESS;
6067 fw_ddb_entry = dma_alloc_coherent(&ha->pdev->dev, sizeof(*fw_ddb_entry),
6068 &fw_ddb_entry_dma, GFP_KERNEL);
6069 if (!fw_ddb_entry) {
6070 DEBUG2(ql4_printk(KERN_ERR, ha,
6071 "%s: Unable to allocate dma buffer.\n",
6077 if (qla4xxx_bootdb_by_index(ha, fw_ddb_entry,
6078 fw_ddb_entry_dma, ddb_index)) {
6079 DEBUG2(ql4_printk(KERN_INFO, ha, "%s: No Flash DDB found at "
6080 "index [%d]\n", __func__, ddb_index));
6082 goto exit_boot_target;
6085 /* Update target name and IP from DDB */
6086 memcpy(boot_sess->target_name, fw_ddb_entry->iscsi_name,
6087 min(sizeof(boot_sess->target_name),
6088 sizeof(fw_ddb_entry->iscsi_name)));
6090 options = le16_to_cpu(fw_ddb_entry->options);
6091 if (options & DDB_OPT_IPV6_DEVICE) {
6092 memcpy(&boot_conn->dest_ipaddr.ip_address,
6093 &fw_ddb_entry->ip_addr[0], IPv6_ADDR_LEN);
6095 boot_conn->dest_ipaddr.ip_type = 0x1;
6096 memcpy(&boot_conn->dest_ipaddr.ip_address,
6097 &fw_ddb_entry->ip_addr[0], IP_ADDR_LEN);
6100 boot_conn->dest_port = le16_to_cpu(fw_ddb_entry->port);
6102 /* update chap information */
6103 idx = __le16_to_cpu(fw_ddb_entry->chap_tbl_idx);
6105 if (BIT_7 & le16_to_cpu(fw_ddb_entry->iscsi_options)) {
6107 DEBUG2(ql4_printk(KERN_INFO, ha, "Setting chap\n"));
6109 ret = qla4xxx_get_chap(ha, (char *)&boot_conn->chap.
6111 (char *)&boot_conn->chap.target_secret,
6114 ql4_printk(KERN_ERR, ha, "Failed to set chap\n");
6116 goto exit_boot_target;
6119 boot_conn->chap.target_chap_name_length = QL4_CHAP_MAX_NAME_LEN;
6120 boot_conn->chap.target_secret_length = QL4_CHAP_MAX_SECRET_LEN;
6123 if (BIT_4 & le16_to_cpu(fw_ddb_entry->iscsi_options)) {
6125 DEBUG2(ql4_printk(KERN_INFO, ha, "Setting BIDI chap\n"));
6127 ret = qla4xxx_get_bidi_chap(ha,
6128 (char *)&boot_conn->chap.intr_chap_name,
6129 (char *)&boot_conn->chap.intr_secret);
6132 ql4_printk(KERN_ERR, ha, "Failed to set BIDI chap\n");
6134 goto exit_boot_target;
6137 boot_conn->chap.intr_chap_name_length = QL4_CHAP_MAX_NAME_LEN;
6138 boot_conn->chap.intr_secret_length = QL4_CHAP_MAX_SECRET_LEN;
6142 dma_free_coherent(&ha->pdev->dev, sizeof(*fw_ddb_entry),
6143 fw_ddb_entry, fw_ddb_entry_dma);
6147 static int qla4xxx_get_boot_info(struct scsi_qla_host *ha)
6149 uint16_t ddb_index[2];
6150 int ret = QLA_ERROR;
6153 memset(ddb_index, 0, sizeof(ddb_index));
6154 ddb_index[0] = 0xffff;
6155 ddb_index[1] = 0xffff;
6156 ret = get_fw_boot_info(ha, ddb_index);
6157 if (ret != QLA_SUCCESS) {
6158 DEBUG2(ql4_printk(KERN_INFO, ha,
6159 "%s: No boot target configured.\n", __func__));
6163 if (ql4xdisablesysfsboot)
6166 if (ddb_index[0] == 0xffff)
6169 rval = qla4xxx_get_boot_target(ha, &(ha->boot_tgt.boot_pri_sess),
6171 if (rval != QLA_SUCCESS) {
6172 DEBUG2(ql4_printk(KERN_INFO, ha, "%s: Primary boot target not "
6173 "configured\n", __func__));
6178 if (ddb_index[1] == 0xffff)
6179 goto exit_get_boot_info;
6181 rval = qla4xxx_get_boot_target(ha, &(ha->boot_tgt.boot_sec_sess),
6183 if (rval != QLA_SUCCESS) {
6184 DEBUG2(ql4_printk(KERN_INFO, ha, "%s: Secondary boot target not"
6185 " configured\n", __func__));
6193 static int qla4xxx_setup_boot_info(struct scsi_qla_host *ha)
6195 struct iscsi_boot_kobj *boot_kobj;
6197 if (qla4xxx_get_boot_info(ha) != QLA_SUCCESS)
6200 if (ql4xdisablesysfsboot) {
6201 ql4_printk(KERN_INFO, ha,
6202 "%s: syfsboot disabled - driver will trigger login "
6203 "and publish session for discovery .\n", __func__);
6208 ha->boot_kset = iscsi_boot_create_host_kset(ha->host->host_no);
6212 if (!scsi_host_get(ha->host))
6214 boot_kobj = iscsi_boot_create_target(ha->boot_kset, 0, ha,
6215 qla4xxx_show_boot_tgt_pri_info,
6216 qla4xxx_tgt_get_attr_visibility,
6217 qla4xxx_boot_release);
6221 if (!scsi_host_get(ha->host))
6223 boot_kobj = iscsi_boot_create_target(ha->boot_kset, 1, ha,
6224 qla4xxx_show_boot_tgt_sec_info,
6225 qla4xxx_tgt_get_attr_visibility,
6226 qla4xxx_boot_release);
6230 if (!scsi_host_get(ha->host))
6232 boot_kobj = iscsi_boot_create_initiator(ha->boot_kset, 0, ha,
6233 qla4xxx_show_boot_ini_info,
6234 qla4xxx_ini_get_attr_visibility,
6235 qla4xxx_boot_release);
6239 if (!scsi_host_get(ha->host))
6241 boot_kobj = iscsi_boot_create_ethernet(ha->boot_kset, 0, ha,
6242 qla4xxx_show_boot_eth_info,
6243 qla4xxx_eth_get_attr_visibility,
6244 qla4xxx_boot_release);
6251 scsi_host_put(ha->host);
6253 iscsi_boot_destroy_kset(ha->boot_kset);
6258 static void qla4xxx_get_param_ddb(struct ddb_entry *ddb_entry,
6259 struct ql4_tuple_ddb *tddb)
6261 struct scsi_qla_host *ha;
6262 struct iscsi_cls_session *cls_sess;
6263 struct iscsi_cls_conn *cls_conn;
6264 struct iscsi_session *sess;
6265 struct iscsi_conn *conn;
6267 DEBUG2(printk(KERN_INFO "Func: %s\n", __func__));
6269 cls_sess = ddb_entry->sess;
6270 sess = cls_sess->dd_data;
6271 cls_conn = ddb_entry->conn;
6272 conn = cls_conn->dd_data;
6274 tddb->tpgt = sess->tpgt;
6275 tddb->port = conn->persistent_port;
6276 strlcpy(tddb->iscsi_name, sess->targetname, ISCSI_NAME_SIZE);
6277 strlcpy(tddb->ip_addr, conn->persistent_address, DDB_IPADDR_LEN);
6280 static void qla4xxx_convert_param_ddb(struct dev_db_entry *fw_ddb_entry,
6281 struct ql4_tuple_ddb *tddb,
6282 uint8_t *flash_isid)
6284 uint16_t options = 0;
6286 tddb->tpgt = le32_to_cpu(fw_ddb_entry->tgt_portal_grp);
6287 memcpy(&tddb->iscsi_name[0], &fw_ddb_entry->iscsi_name[0],
6288 min(sizeof(tddb->iscsi_name), sizeof(fw_ddb_entry->iscsi_name)));
6290 options = le16_to_cpu(fw_ddb_entry->options);
6291 if (options & DDB_OPT_IPV6_DEVICE)
6292 sprintf(tddb->ip_addr, "%pI6", fw_ddb_entry->ip_addr);
6294 sprintf(tddb->ip_addr, "%pI4", fw_ddb_entry->ip_addr);
6296 tddb->port = le16_to_cpu(fw_ddb_entry->port);
6298 if (flash_isid == NULL)
6299 memcpy(&tddb->isid[0], &fw_ddb_entry->isid[0],
6300 sizeof(tddb->isid));
6302 memcpy(&tddb->isid[0], &flash_isid[0], sizeof(tddb->isid));
6305 static int qla4xxx_compare_tuple_ddb(struct scsi_qla_host *ha,
6306 struct ql4_tuple_ddb *old_tddb,
6307 struct ql4_tuple_ddb *new_tddb,
6308 uint8_t is_isid_compare)
6310 if (strcmp(old_tddb->iscsi_name, new_tddb->iscsi_name))
6313 if (strcmp(old_tddb->ip_addr, new_tddb->ip_addr))
6316 if (old_tddb->port != new_tddb->port)
6319 /* For multi sessions, driver generates the ISID, so do not compare
6320 * ISID in reset path since it would be a comparison between the
6321 * driver generated ISID and firmware generated ISID. This could
6322 * lead to adding duplicated DDBs in the list as driver generated
6323 * ISID would not match firmware generated ISID.
6325 if (is_isid_compare) {
6326 DEBUG2(ql4_printk(KERN_INFO, ha, "%s: old ISID [%02x%02x%02x"
6327 "%02x%02x%02x] New ISID [%02x%02x%02x%02x%02x%02x]\n",
6328 __func__, old_tddb->isid[5], old_tddb->isid[4],
6329 old_tddb->isid[3], old_tddb->isid[2], old_tddb->isid[1],
6330 old_tddb->isid[0], new_tddb->isid[5], new_tddb->isid[4],
6331 new_tddb->isid[3], new_tddb->isid[2], new_tddb->isid[1],
6332 new_tddb->isid[0]));
6334 if (memcmp(&old_tddb->isid[0], &new_tddb->isid[0],
6335 sizeof(old_tddb->isid)))
6339 DEBUG2(ql4_printk(KERN_INFO, ha,
6340 "Match Found, fw[%d,%d,%s,%s], [%d,%d,%s,%s]",
6341 old_tddb->port, old_tddb->tpgt, old_tddb->ip_addr,
6342 old_tddb->iscsi_name, new_tddb->port, new_tddb->tpgt,
6343 new_tddb->ip_addr, new_tddb->iscsi_name));
6348 static int qla4xxx_is_session_exists(struct scsi_qla_host *ha,
6349 struct dev_db_entry *fw_ddb_entry,
6352 struct ddb_entry *ddb_entry;
6353 struct ql4_tuple_ddb *fw_tddb = NULL;
6354 struct ql4_tuple_ddb *tmp_tddb = NULL;
6356 int ret = QLA_ERROR;
6358 fw_tddb = vzalloc(sizeof(*fw_tddb));
6360 DEBUG2(ql4_printk(KERN_WARNING, ha,
6361 "Memory Allocation failed.\n"));
6366 tmp_tddb = vzalloc(sizeof(*tmp_tddb));
6368 DEBUG2(ql4_printk(KERN_WARNING, ha,
6369 "Memory Allocation failed.\n"));
6374 qla4xxx_convert_param_ddb(fw_ddb_entry, fw_tddb, NULL);
6376 for (idx = 0; idx < MAX_DDB_ENTRIES; idx++) {
6377 ddb_entry = qla4xxx_lookup_ddb_by_fw_index(ha, idx);
6378 if (ddb_entry == NULL)
6381 qla4xxx_get_param_ddb(ddb_entry, tmp_tddb);
6382 if (!qla4xxx_compare_tuple_ddb(ha, fw_tddb, tmp_tddb, false)) {
6383 ret = QLA_SUCCESS; /* found */
6399 * qla4xxx_check_existing_isid - check if target with same isid exist
6401 * @list_nt: list of target
6402 * @isid: isid to check
6404 * This routine return QLA_SUCCESS if target with same isid exist
6406 static int qla4xxx_check_existing_isid(struct list_head *list_nt, uint8_t *isid)
6408 struct qla_ddb_index *nt_ddb_idx, *nt_ddb_idx_tmp;
6409 struct dev_db_entry *fw_ddb_entry;
6411 list_for_each_entry_safe(nt_ddb_idx, nt_ddb_idx_tmp, list_nt, list) {
6412 fw_ddb_entry = &nt_ddb_idx->fw_ddb;
6414 if (memcmp(&fw_ddb_entry->isid[0], &isid[0],
6415 sizeof(nt_ddb_idx->fw_ddb.isid)) == 0) {
6423 * qla4xxx_update_isid - compare ddbs and updated isid
6424 * @ha: Pointer to host adapter structure.
6425 * @list_nt: list of nt target
6426 * @fw_ddb_entry: firmware ddb entry
6428 * This routine update isid if ddbs have same iqn, same isid and
6429 * different IP addr.
6430 * Return QLA_SUCCESS if isid is updated.
6432 static int qla4xxx_update_isid(struct scsi_qla_host *ha,
6433 struct list_head *list_nt,
6434 struct dev_db_entry *fw_ddb_entry)
6436 uint8_t base_value, i;
6438 base_value = fw_ddb_entry->isid[1] & 0x1f;
6439 for (i = 0; i < 8; i++) {
6440 fw_ddb_entry->isid[1] = (base_value | (i << 5));
6441 if (qla4xxx_check_existing_isid(list_nt, fw_ddb_entry->isid))
6445 if (!qla4xxx_check_existing_isid(list_nt, fw_ddb_entry->isid))
6452 * qla4xxx_should_update_isid - check if isid need to update
6453 * @ha: Pointer to host adapter structure.
6454 * @old_tddb: ddb tuple
6455 * @new_tddb: ddb tuple
6457 * Return QLA_SUCCESS if different IP, different PORT, same iqn,
6460 static int qla4xxx_should_update_isid(struct scsi_qla_host *ha,
6461 struct ql4_tuple_ddb *old_tddb,
6462 struct ql4_tuple_ddb *new_tddb)
6464 if (strcmp(old_tddb->ip_addr, new_tddb->ip_addr) == 0) {
6466 if (old_tddb->port == new_tddb->port)
6470 if (strcmp(old_tddb->iscsi_name, new_tddb->iscsi_name))
6474 if (memcmp(&old_tddb->isid[0], &new_tddb->isid[0],
6475 sizeof(old_tddb->isid)))
6476 /* different isid */
6483 * qla4xxx_is_flash_ddb_exists - check if fw_ddb_entry already exists in list_nt
6484 * @ha: Pointer to host adapter structure.
6485 * @list_nt: list of nt target.
6486 * @fw_ddb_entry: firmware ddb entry.
6488 * This routine check if fw_ddb_entry already exists in list_nt to avoid
6489 * duplicate ddb in list_nt.
6490 * Return QLA_SUCCESS if duplicate ddb exit in list_nl.
6491 * Note: This function also update isid of DDB if required.
6494 static int qla4xxx_is_flash_ddb_exists(struct scsi_qla_host *ha,
6495 struct list_head *list_nt,
6496 struct dev_db_entry *fw_ddb_entry)
6498 struct qla_ddb_index *nt_ddb_idx, *nt_ddb_idx_tmp;
6499 struct ql4_tuple_ddb *fw_tddb = NULL;
6500 struct ql4_tuple_ddb *tmp_tddb = NULL;
6501 int rval, ret = QLA_ERROR;
6503 fw_tddb = vzalloc(sizeof(*fw_tddb));
6505 DEBUG2(ql4_printk(KERN_WARNING, ha,
6506 "Memory Allocation failed.\n"));
6511 tmp_tddb = vzalloc(sizeof(*tmp_tddb));
6513 DEBUG2(ql4_printk(KERN_WARNING, ha,
6514 "Memory Allocation failed.\n"));
6519 qla4xxx_convert_param_ddb(fw_ddb_entry, fw_tddb, NULL);
6521 list_for_each_entry_safe(nt_ddb_idx, nt_ddb_idx_tmp, list_nt, list) {
6522 qla4xxx_convert_param_ddb(&nt_ddb_idx->fw_ddb, tmp_tddb,
6523 nt_ddb_idx->flash_isid);
6524 ret = qla4xxx_compare_tuple_ddb(ha, fw_tddb, tmp_tddb, true);
6525 /* found duplicate ddb */
6526 if (ret == QLA_SUCCESS)
6530 list_for_each_entry_safe(nt_ddb_idx, nt_ddb_idx_tmp, list_nt, list) {
6531 qla4xxx_convert_param_ddb(&nt_ddb_idx->fw_ddb, tmp_tddb, NULL);
6533 ret = qla4xxx_should_update_isid(ha, tmp_tddb, fw_tddb);
6534 if (ret == QLA_SUCCESS) {
6535 rval = qla4xxx_update_isid(ha, list_nt, fw_ddb_entry);
6536 if (rval == QLA_SUCCESS)
6553 static void qla4xxx_free_ddb_list(struct list_head *list_ddb)
6555 struct qla_ddb_index *ddb_idx, *ddb_idx_tmp;
6557 list_for_each_entry_safe(ddb_idx, ddb_idx_tmp, list_ddb, list) {
6558 list_del_init(&ddb_idx->list);
6563 static struct iscsi_endpoint *qla4xxx_get_ep_fwdb(struct scsi_qla_host *ha,
6564 struct dev_db_entry *fw_ddb_entry)
6566 struct iscsi_endpoint *ep;
6567 struct sockaddr_in *addr;
6568 struct sockaddr_in6 *addr6;
6569 struct sockaddr *t_addr;
6570 struct sockaddr_storage *dst_addr;
6573 /* TODO: need to destroy on unload iscsi_endpoint*/
6574 dst_addr = vmalloc(sizeof(*dst_addr));
6578 if (fw_ddb_entry->options & DDB_OPT_IPV6_DEVICE) {
6579 t_addr = (struct sockaddr *)dst_addr;
6580 t_addr->sa_family = AF_INET6;
6581 addr6 = (struct sockaddr_in6 *)dst_addr;
6582 ip = (char *)&addr6->sin6_addr;
6583 memcpy(ip, fw_ddb_entry->ip_addr, IPv6_ADDR_LEN);
6584 addr6->sin6_port = htons(le16_to_cpu(fw_ddb_entry->port));
6587 t_addr = (struct sockaddr *)dst_addr;
6588 t_addr->sa_family = AF_INET;
6589 addr = (struct sockaddr_in *)dst_addr;
6590 ip = (char *)&addr->sin_addr;
6591 memcpy(ip, fw_ddb_entry->ip_addr, IP_ADDR_LEN);
6592 addr->sin_port = htons(le16_to_cpu(fw_ddb_entry->port));
6595 ep = qla4xxx_ep_connect(ha->host, (struct sockaddr *)dst_addr, 0);
6600 static int qla4xxx_verify_boot_idx(struct scsi_qla_host *ha, uint16_t idx)
6602 if (ql4xdisablesysfsboot)
6604 if (idx == ha->pri_ddb_idx || idx == ha->sec_ddb_idx)
6609 static void qla4xxx_setup_flash_ddb_entry(struct scsi_qla_host *ha,
6610 struct ddb_entry *ddb_entry,
6613 uint16_t def_timeout;
6615 ddb_entry->ddb_type = FLASH_DDB;
6616 ddb_entry->fw_ddb_index = INVALID_ENTRY;
6617 ddb_entry->fw_ddb_device_state = DDB_DS_NO_CONNECTION_ACTIVE;
6619 ddb_entry->unblock_sess = qla4xxx_unblock_flash_ddb;
6620 ddb_entry->ddb_change = qla4xxx_flash_ddb_change;
6621 ddb_entry->chap_tbl_idx = INVALID_ENTRY;
6623 atomic_set(&ddb_entry->retry_relogin_timer, INVALID_ENTRY);
6624 atomic_set(&ddb_entry->relogin_timer, 0);
6625 atomic_set(&ddb_entry->relogin_retry_count, 0);
6626 def_timeout = le16_to_cpu(ddb_entry->fw_ddb_entry.def_timeout);
6627 ddb_entry->default_relogin_timeout =
6628 (def_timeout > LOGIN_TOV) && (def_timeout < LOGIN_TOV * 10) ?
6629 def_timeout : LOGIN_TOV;
6630 ddb_entry->default_time2wait =
6631 le16_to_cpu(ddb_entry->fw_ddb_entry.iscsi_def_time2wait);
6633 if (ql4xdisablesysfsboot &&
6634 (idx == ha->pri_ddb_idx || idx == ha->sec_ddb_idx))
6635 set_bit(DF_BOOT_TGT, &ddb_entry->flags);
6638 static void qla4xxx_wait_for_ip_configuration(struct scsi_qla_host *ha)
6641 uint32_t ip_idx[IP_ADDR_COUNT] = {0, 1, 2, 3}; /* 4 IP interfaces */
6642 uint32_t sts[MBOX_REG_COUNT];
6644 unsigned long wtime;
6647 wtime = jiffies + (HZ * IP_CONFIG_TOV);
6649 for (idx = 0; idx < IP_ADDR_COUNT; idx++) {
6650 if (ip_idx[idx] == -1)
6653 ret = qla4xxx_get_ip_state(ha, 0, ip_idx[idx], sts);
6655 if (ret == QLA_ERROR) {
6660 ip_state = (sts[1] & IP_STATE_MASK) >> IP_STATE_SHIFT;
6662 DEBUG2(ql4_printk(KERN_INFO, ha,
6663 "Waiting for IP state for idx = %d, state = 0x%x\n",
6664 ip_idx[idx], ip_state));
6665 if (ip_state == IP_ADDRSTATE_UNCONFIGURED ||
6666 ip_state == IP_ADDRSTATE_INVALID ||
6667 ip_state == IP_ADDRSTATE_PREFERRED ||
6668 ip_state == IP_ADDRSTATE_DEPRICATED ||
6669 ip_state == IP_ADDRSTATE_DISABLING)
6673 /* Break if all IP states checked */
6674 if ((ip_idx[0] == -1) &&
6675 (ip_idx[1] == -1) &&
6676 (ip_idx[2] == -1) &&
6679 schedule_timeout_uninterruptible(HZ);
6680 } while (time_after(wtime, jiffies));
6683 static int qla4xxx_cmp_fw_stentry(struct dev_db_entry *fw_ddb_entry,
6684 struct dev_db_entry *flash_ddb_entry)
6686 uint16_t options = 0;
6687 size_t ip_len = IP_ADDR_LEN;
6689 options = le16_to_cpu(fw_ddb_entry->options);
6690 if (options & DDB_OPT_IPV6_DEVICE)
6691 ip_len = IPv6_ADDR_LEN;
6693 if (memcmp(fw_ddb_entry->ip_addr, flash_ddb_entry->ip_addr, ip_len))
6696 if (memcmp(&fw_ddb_entry->isid[0], &flash_ddb_entry->isid[0],
6697 sizeof(fw_ddb_entry->isid)))
6700 if (memcmp(&fw_ddb_entry->port, &flash_ddb_entry->port,
6701 sizeof(fw_ddb_entry->port)))
6707 static int qla4xxx_find_flash_st_idx(struct scsi_qla_host *ha,
6708 struct dev_db_entry *fw_ddb_entry,
6709 uint32_t fw_idx, uint32_t *flash_index)
6711 struct dev_db_entry *flash_ddb_entry;
6712 dma_addr_t flash_ddb_entry_dma;
6715 int ret = QLA_ERROR, status;
6717 max_ddbs = is_qla40XX(ha) ? MAX_DEV_DB_ENTRIES_40XX :
6720 flash_ddb_entry = dma_pool_alloc(ha->fw_ddb_dma_pool, GFP_KERNEL,
6721 &flash_ddb_entry_dma);
6722 if (flash_ddb_entry == NULL || fw_ddb_entry == NULL) {
6723 ql4_printk(KERN_ERR, ha, "Out of memory\n");
6724 goto exit_find_st_idx;
6727 status = qla4xxx_flashdb_by_index(ha, flash_ddb_entry,
6728 flash_ddb_entry_dma, fw_idx);
6729 if (status == QLA_SUCCESS) {
6730 status = qla4xxx_cmp_fw_stentry(fw_ddb_entry, flash_ddb_entry);
6731 if (status == QLA_SUCCESS) {
6732 *flash_index = fw_idx;
6734 goto exit_find_st_idx;
6738 for (idx = 0; idx < max_ddbs; idx++) {
6739 status = qla4xxx_flashdb_by_index(ha, flash_ddb_entry,
6740 flash_ddb_entry_dma, idx);
6741 if (status == QLA_ERROR)
6744 status = qla4xxx_cmp_fw_stentry(fw_ddb_entry, flash_ddb_entry);
6745 if (status == QLA_SUCCESS) {
6748 goto exit_find_st_idx;
6752 if (idx == max_ddbs)
6753 ql4_printk(KERN_ERR, ha, "Failed to find ST [%d] in flash\n",
6757 if (flash_ddb_entry)
6758 dma_pool_free(ha->fw_ddb_dma_pool, flash_ddb_entry,
6759 flash_ddb_entry_dma);
6764 static void qla4xxx_build_st_list(struct scsi_qla_host *ha,
6765 struct list_head *list_st)
6767 struct qla_ddb_index *st_ddb_idx;
6770 struct dev_db_entry *fw_ddb_entry;
6771 dma_addr_t fw_ddb_dma;
6773 uint32_t idx = 0, next_idx = 0;
6774 uint32_t state = 0, conn_err = 0;
6775 uint32_t flash_index = -1;
6776 uint16_t conn_id = 0;
6778 fw_ddb_entry = dma_pool_alloc(ha->fw_ddb_dma_pool, GFP_KERNEL,
6780 if (fw_ddb_entry == NULL) {
6781 DEBUG2(ql4_printk(KERN_ERR, ha, "Out of memory\n"));
6785 max_ddbs = is_qla40XX(ha) ? MAX_DEV_DB_ENTRIES_40XX :
6787 fw_idx_size = sizeof(struct qla_ddb_index);
6789 for (idx = 0; idx < max_ddbs; idx = next_idx) {
6790 ret = qla4xxx_get_fwddb_entry(ha, idx, fw_ddb_entry, fw_ddb_dma,
6791 NULL, &next_idx, &state,
6792 &conn_err, NULL, &conn_id);
6793 if (ret == QLA_ERROR)
6796 /* Ignore DDB if invalid state (unassigned) */
6797 if (state == DDB_DS_UNASSIGNED)
6798 goto continue_next_st;
6800 /* Check if ST, add to the list_st */
6801 if (strlen((char *) fw_ddb_entry->iscsi_name) != 0)
6802 goto continue_next_st;
6804 st_ddb_idx = vzalloc(fw_idx_size);
6808 ret = qla4xxx_find_flash_st_idx(ha, fw_ddb_entry, idx,
6810 if (ret == QLA_ERROR) {
6811 ql4_printk(KERN_ERR, ha,
6812 "No flash entry for ST at idx [%d]\n", idx);
6813 st_ddb_idx->flash_ddb_idx = idx;
6815 ql4_printk(KERN_INFO, ha,
6816 "ST at idx [%d] is stored at flash [%d]\n",
6818 st_ddb_idx->flash_ddb_idx = flash_index;
6821 st_ddb_idx->fw_ddb_idx = idx;
6823 list_add_tail(&st_ddb_idx->list, list_st);
6831 dma_pool_free(ha->fw_ddb_dma_pool, fw_ddb_entry, fw_ddb_dma);
6835 * qla4xxx_remove_failed_ddb - Remove inactive or failed ddb from list
6836 * @ha: pointer to adapter structure
6837 * @list_ddb: List from which failed ddb to be removed
6839 * Iterate over the list of DDBs and find and remove DDBs that are either in
6840 * no connection active state or failed state
6842 static void qla4xxx_remove_failed_ddb(struct scsi_qla_host *ha,
6843 struct list_head *list_ddb)
6845 struct qla_ddb_index *ddb_idx, *ddb_idx_tmp;
6846 uint32_t next_idx = 0;
6847 uint32_t state = 0, conn_err = 0;
6850 list_for_each_entry_safe(ddb_idx, ddb_idx_tmp, list_ddb, list) {
6851 ret = qla4xxx_get_fwddb_entry(ha, ddb_idx->fw_ddb_idx,
6852 NULL, 0, NULL, &next_idx, &state,
6853 &conn_err, NULL, NULL);
6854 if (ret == QLA_ERROR)
6857 if (state == DDB_DS_NO_CONNECTION_ACTIVE ||
6858 state == DDB_DS_SESSION_FAILED) {
6859 list_del_init(&ddb_idx->list);
6865 static void qla4xxx_update_sess_disc_idx(struct scsi_qla_host *ha,
6866 struct ddb_entry *ddb_entry,
6867 struct dev_db_entry *fw_ddb_entry)
6869 struct iscsi_cls_session *cls_sess;
6870 struct iscsi_session *sess;
6871 uint32_t max_ddbs = 0;
6872 uint16_t ddb_link = -1;
6874 max_ddbs = is_qla40XX(ha) ? MAX_DEV_DB_ENTRIES_40XX :
6877 cls_sess = ddb_entry->sess;
6878 sess = cls_sess->dd_data;
6880 ddb_link = le16_to_cpu(fw_ddb_entry->ddb_link);
6881 if (ddb_link < max_ddbs)
6882 sess->discovery_parent_idx = ddb_link;
6884 sess->discovery_parent_idx = DDB_NO_LINK;
6887 static int qla4xxx_sess_conn_setup(struct scsi_qla_host *ha,
6888 struct dev_db_entry *fw_ddb_entry,
6889 int is_reset, uint16_t idx)
6891 struct iscsi_cls_session *cls_sess;
6892 struct iscsi_session *sess;
6893 struct iscsi_cls_conn *cls_conn;
6894 struct iscsi_endpoint *ep;
6895 uint16_t cmds_max = 32;
6896 uint16_t conn_id = 0;
6897 uint32_t initial_cmdsn = 0;
6898 int ret = QLA_SUCCESS;
6900 struct ddb_entry *ddb_entry = NULL;
6902 /* Create session object, with INVALID_ENTRY,
6903 * the targer_id would get set when we issue the login
6905 cls_sess = iscsi_session_setup(&qla4xxx_iscsi_transport, ha->host,
6906 cmds_max, sizeof(struct ddb_entry),
6907 sizeof(struct ql4_task_data),
6908 initial_cmdsn, INVALID_ENTRY);
6915 * so calling module_put function to decrement the
6918 module_put(qla4xxx_iscsi_transport.owner);
6919 sess = cls_sess->dd_data;
6920 ddb_entry = sess->dd_data;
6921 ddb_entry->sess = cls_sess;
6923 cls_sess->recovery_tmo = ql4xsess_recovery_tmo;
6924 memcpy(&ddb_entry->fw_ddb_entry, fw_ddb_entry,
6925 sizeof(struct dev_db_entry));
6927 qla4xxx_setup_flash_ddb_entry(ha, ddb_entry, idx);
6929 cls_conn = iscsi_conn_setup(cls_sess, sizeof(struct qla_conn), conn_id);
6936 ddb_entry->conn = cls_conn;
6938 /* Setup ep, for displaying attributes in sysfs */
6939 ep = qla4xxx_get_ep_fwdb(ha, fw_ddb_entry);
6941 ep->conn = cls_conn;
6944 DEBUG2(ql4_printk(KERN_ERR, ha, "Unable to get ep\n"));
6949 /* Update sess/conn params */
6950 qla4xxx_copy_fwddb_param(ha, fw_ddb_entry, cls_sess, cls_conn);
6951 qla4xxx_update_sess_disc_idx(ha, ddb_entry, fw_ddb_entry);
6953 if (is_reset == RESET_ADAPTER) {
6954 iscsi_block_session(cls_sess);
6955 /* Use the relogin path to discover new devices
6956 * by short-circuting the logic of setting
6957 * timer to relogin - instead set the flags
6958 * to initiate login right away.
6960 set_bit(DPC_RELOGIN_DEVICE, &ha->dpc_flags);
6961 set_bit(DF_RELOGIN, &ddb_entry->flags);
6968 static void qla4xxx_update_fw_ddb_link(struct scsi_qla_host *ha,
6969 struct list_head *list_ddb,
6970 struct dev_db_entry *fw_ddb_entry)
6972 struct qla_ddb_index *ddb_idx, *ddb_idx_tmp;
6975 ddb_link = le16_to_cpu(fw_ddb_entry->ddb_link);
6977 list_for_each_entry_safe(ddb_idx, ddb_idx_tmp, list_ddb, list) {
6978 if (ddb_idx->fw_ddb_idx == ddb_link) {
6979 DEBUG2(ql4_printk(KERN_INFO, ha,
6980 "Updating NT parent idx from [%d] to [%d]\n",
6981 ddb_link, ddb_idx->flash_ddb_idx));
6982 fw_ddb_entry->ddb_link =
6983 cpu_to_le16(ddb_idx->flash_ddb_idx);
6989 static void qla4xxx_build_nt_list(struct scsi_qla_host *ha,
6990 struct list_head *list_nt,
6991 struct list_head *list_st,
6994 struct dev_db_entry *fw_ddb_entry;
6995 struct ddb_entry *ddb_entry = NULL;
6996 dma_addr_t fw_ddb_dma;
7000 uint32_t idx = 0, next_idx = 0;
7001 uint32_t state = 0, conn_err = 0;
7002 uint32_t ddb_idx = -1;
7003 uint16_t conn_id = 0;
7004 uint16_t ddb_link = -1;
7005 struct qla_ddb_index *nt_ddb_idx;
7007 fw_ddb_entry = dma_pool_alloc(ha->fw_ddb_dma_pool, GFP_KERNEL,
7009 if (fw_ddb_entry == NULL) {
7010 DEBUG2(ql4_printk(KERN_ERR, ha, "Out of memory\n"));
7013 max_ddbs = is_qla40XX(ha) ? MAX_DEV_DB_ENTRIES_40XX :
7015 fw_idx_size = sizeof(struct qla_ddb_index);
7017 for (idx = 0; idx < max_ddbs; idx = next_idx) {
7018 ret = qla4xxx_get_fwddb_entry(ha, idx, fw_ddb_entry, fw_ddb_dma,
7019 NULL, &next_idx, &state,
7020 &conn_err, NULL, &conn_id);
7021 if (ret == QLA_ERROR)
7024 if (qla4xxx_verify_boot_idx(ha, idx) != QLA_SUCCESS)
7025 goto continue_next_nt;
7027 /* Check if NT, then add to list it */
7028 if (strlen((char *) fw_ddb_entry->iscsi_name) == 0)
7029 goto continue_next_nt;
7031 ddb_link = le16_to_cpu(fw_ddb_entry->ddb_link);
7032 if (ddb_link < max_ddbs)
7033 qla4xxx_update_fw_ddb_link(ha, list_st, fw_ddb_entry);
7035 if (!(state == DDB_DS_NO_CONNECTION_ACTIVE ||
7036 state == DDB_DS_SESSION_FAILED) &&
7037 (is_reset == INIT_ADAPTER))
7038 goto continue_next_nt;
7040 DEBUG2(ql4_printk(KERN_INFO, ha,
7041 "Adding DDB to session = 0x%x\n", idx));
7043 if (is_reset == INIT_ADAPTER) {
7044 nt_ddb_idx = vmalloc(fw_idx_size);
7048 nt_ddb_idx->fw_ddb_idx = idx;
7050 /* Copy original isid as it may get updated in function
7051 * qla4xxx_update_isid(). We need original isid in
7052 * function qla4xxx_compare_tuple_ddb to find duplicate
7054 memcpy(&nt_ddb_idx->flash_isid[0],
7055 &fw_ddb_entry->isid[0],
7056 sizeof(nt_ddb_idx->flash_isid));
7058 ret = qla4xxx_is_flash_ddb_exists(ha, list_nt,
7060 if (ret == QLA_SUCCESS) {
7061 /* free nt_ddb_idx and do not add to list_nt */
7063 goto continue_next_nt;
7066 /* Copy updated isid */
7067 memcpy(&nt_ddb_idx->fw_ddb, fw_ddb_entry,
7068 sizeof(struct dev_db_entry));
7070 list_add_tail(&nt_ddb_idx->list, list_nt);
7071 } else if (is_reset == RESET_ADAPTER) {
7072 ret = qla4xxx_is_session_exists(ha, fw_ddb_entry,
7074 if (ret == QLA_SUCCESS) {
7075 ddb_entry = qla4xxx_lookup_ddb_by_fw_index(ha,
7077 if (ddb_entry != NULL)
7078 qla4xxx_update_sess_disc_idx(ha,
7081 goto continue_next_nt;
7085 ret = qla4xxx_sess_conn_setup(ha, fw_ddb_entry, is_reset, idx);
7086 if (ret == QLA_ERROR)
7096 dma_pool_free(ha->fw_ddb_dma_pool, fw_ddb_entry, fw_ddb_dma);
7099 static void qla4xxx_build_new_nt_list(struct scsi_qla_host *ha,
7100 struct list_head *list_nt,
7103 struct dev_db_entry *fw_ddb_entry;
7104 dma_addr_t fw_ddb_dma;
7108 uint32_t idx = 0, next_idx = 0;
7109 uint32_t state = 0, conn_err = 0;
7110 uint16_t conn_id = 0;
7111 struct qla_ddb_index *nt_ddb_idx;
7113 fw_ddb_entry = dma_pool_alloc(ha->fw_ddb_dma_pool, GFP_KERNEL,
7115 if (fw_ddb_entry == NULL) {
7116 DEBUG2(ql4_printk(KERN_ERR, ha, "Out of memory\n"));
7117 goto exit_new_nt_list;
7119 max_ddbs = is_qla40XX(ha) ? MAX_DEV_DB_ENTRIES_40XX :
7121 fw_idx_size = sizeof(struct qla_ddb_index);
7123 for (idx = 0; idx < max_ddbs; idx = next_idx) {
7124 ret = qla4xxx_get_fwddb_entry(ha, idx, fw_ddb_entry, fw_ddb_dma,
7125 NULL, &next_idx, &state,
7126 &conn_err, NULL, &conn_id);
7127 if (ret == QLA_ERROR)
7130 /* Check if NT, then add it to list */
7131 if (strlen((char *)fw_ddb_entry->iscsi_name) == 0)
7132 goto continue_next_new_nt;
7134 if (!(state == DDB_DS_NO_CONNECTION_ACTIVE))
7135 goto continue_next_new_nt;
7137 DEBUG2(ql4_printk(KERN_INFO, ha,
7138 "Adding DDB to session = 0x%x\n", idx));
7140 nt_ddb_idx = vmalloc(fw_idx_size);
7144 nt_ddb_idx->fw_ddb_idx = idx;
7146 ret = qla4xxx_is_session_exists(ha, fw_ddb_entry, NULL);
7147 if (ret == QLA_SUCCESS) {
7148 /* free nt_ddb_idx and do not add to list_nt */
7150 goto continue_next_new_nt;
7153 if (target_id < max_ddbs)
7154 fw_ddb_entry->ddb_link = cpu_to_le16(target_id);
7156 list_add_tail(&nt_ddb_idx->list, list_nt);
7158 ret = qla4xxx_sess_conn_setup(ha, fw_ddb_entry, RESET_ADAPTER,
7160 if (ret == QLA_ERROR)
7161 goto exit_new_nt_list;
7163 continue_next_new_nt:
7170 dma_pool_free(ha->fw_ddb_dma_pool, fw_ddb_entry, fw_ddb_dma);
7174 * qla4xxx_sysfs_ddb_is_non_persistent - check for non-persistence of ddb entry
7175 * @dev: dev associated with the sysfs entry
7176 * @data: pointer to flashnode session object
7179 * 1: if flashnode entry is non-persistent
7180 * 0: if flashnode entry is persistent
7182 static int qla4xxx_sysfs_ddb_is_non_persistent(struct device *dev, void *data)
7184 struct iscsi_bus_flash_session *fnode_sess;
7186 if (!iscsi_flashnode_bus_match(dev, NULL))
7189 fnode_sess = iscsi_dev_to_flash_session(dev);
7191 return (fnode_sess->flash_state == DEV_DB_NON_PERSISTENT);
7195 * qla4xxx_sysfs_ddb_tgt_create - Create sysfs entry for target
7196 * @ha: pointer to host
7197 * @fw_ddb_entry: flash ddb data
7198 * @idx: target index
7199 * @user: if set then this call is made from userland else from kernel
7202 * On sucess: QLA_SUCCESS
7203 * On failure: QLA_ERROR
7205 * This create separate sysfs entries for session and connection attributes of
7206 * the given fw ddb entry.
7207 * If this is invoked as a result of a userspace call then the entry is marked
7208 * as nonpersistent using flash_state field.
7210 static int qla4xxx_sysfs_ddb_tgt_create(struct scsi_qla_host *ha,
7211 struct dev_db_entry *fw_ddb_entry,
7212 uint16_t *idx, int user)
7214 struct iscsi_bus_flash_session *fnode_sess = NULL;
7215 struct iscsi_bus_flash_conn *fnode_conn = NULL;
7218 fnode_sess = iscsi_create_flashnode_sess(ha->host, *idx,
7219 &qla4xxx_iscsi_transport, 0);
7221 ql4_printk(KERN_ERR, ha,
7222 "%s: Unable to create session sysfs entry for flashnode %d of host%lu\n",
7223 __func__, *idx, ha->host_no);
7224 goto exit_tgt_create;
7227 fnode_conn = iscsi_create_flashnode_conn(ha->host, fnode_sess,
7228 &qla4xxx_iscsi_transport, 0);
7230 ql4_printk(KERN_ERR, ha,
7231 "%s: Unable to create conn sysfs entry for flashnode %d of host%lu\n",
7232 __func__, *idx, ha->host_no);
7237 fnode_sess->flash_state = DEV_DB_NON_PERSISTENT;
7239 fnode_sess->flash_state = DEV_DB_PERSISTENT;
7241 if (*idx == ha->pri_ddb_idx || *idx == ha->sec_ddb_idx)
7242 fnode_sess->is_boot_target = 1;
7244 fnode_sess->is_boot_target = 0;
7247 rc = qla4xxx_copy_from_fwddb_param(fnode_sess, fnode_conn,
7252 ql4_printk(KERN_INFO, ha, "%s: sysfs entry %s created\n",
7253 __func__, fnode_sess->dev.kobj.name);
7255 ql4_printk(KERN_INFO, ha, "%s: sysfs entry %s created\n",
7256 __func__, fnode_conn->dev.kobj.name);
7261 iscsi_destroy_flashnode_sess(fnode_sess);
7268 * qla4xxx_sysfs_ddb_add - Add new ddb entry in flash
7269 * @shost: pointer to host
7270 * @buf: type of ddb entry (ipv4/ipv6)
7271 * @len: length of buf
7273 * This creates new ddb entry in the flash by finding first free index and
7274 * storing default ddb there. And then create sysfs entry for the new ddb entry.
7276 static int qla4xxx_sysfs_ddb_add(struct Scsi_Host *shost, const char *buf,
7279 struct scsi_qla_host *ha = to_qla_host(shost);
7280 struct dev_db_entry *fw_ddb_entry = NULL;
7281 dma_addr_t fw_ddb_entry_dma;
7284 uint16_t max_ddbs = 0;
7285 uint32_t options = 0;
7286 uint32_t rval = QLA_ERROR;
7288 if (strncasecmp(PORTAL_TYPE_IPV4, buf, 4) &&
7289 strncasecmp(PORTAL_TYPE_IPV6, buf, 4)) {
7290 DEBUG2(ql4_printk(KERN_ERR, ha, "%s: Invalid portal type\n",
7295 max_ddbs = is_qla40XX(ha) ? MAX_PRST_DEV_DB_ENTRIES :
7298 fw_ddb_entry = dma_alloc_coherent(&ha->pdev->dev, sizeof(*fw_ddb_entry),
7299 &fw_ddb_entry_dma, GFP_KERNEL);
7300 if (!fw_ddb_entry) {
7301 DEBUG2(ql4_printk(KERN_ERR, ha,
7302 "%s: Unable to allocate dma buffer\n",
7307 dev = iscsi_find_flashnode_sess(ha->host, NULL,
7308 qla4xxx_sysfs_ddb_is_non_persistent);
7310 ql4_printk(KERN_ERR, ha,
7311 "%s: A non-persistent entry %s found\n",
7312 __func__, dev->kobj.name);
7317 /* Index 0 and 1 are reserved for boot target entries */
7318 for (idx = 2; idx < max_ddbs; idx++) {
7319 if (qla4xxx_flashdb_by_index(ha, fw_ddb_entry,
7320 fw_ddb_entry_dma, idx))
7324 if (idx == max_ddbs)
7327 if (!strncasecmp("ipv6", buf, 4))
7328 options |= IPV6_DEFAULT_DDB_ENTRY;
7330 rval = qla4xxx_get_default_ddb(ha, options, fw_ddb_entry_dma);
7331 if (rval == QLA_ERROR)
7334 rval = qla4xxx_sysfs_ddb_tgt_create(ha, fw_ddb_entry, &idx, 1);
7338 dma_free_coherent(&ha->pdev->dev, sizeof(*fw_ddb_entry),
7339 fw_ddb_entry, fw_ddb_entry_dma);
7340 if (rval == QLA_SUCCESS)
7347 * qla4xxx_sysfs_ddb_apply - write the target ddb contents to Flash
7348 * @fnode_sess: pointer to session attrs of flash ddb entry
7349 * @fnode_conn: pointer to connection attrs of flash ddb entry
7351 * This writes the contents of target ddb buffer to Flash with a valid cookie
7352 * value in order to make the ddb entry persistent.
7354 static int qla4xxx_sysfs_ddb_apply(struct iscsi_bus_flash_session *fnode_sess,
7355 struct iscsi_bus_flash_conn *fnode_conn)
7357 struct Scsi_Host *shost = iscsi_flash_session_to_shost(fnode_sess);
7358 struct scsi_qla_host *ha = to_qla_host(shost);
7359 uint32_t dev_db_start_offset = FLASH_OFFSET_DB_INFO;
7360 struct dev_db_entry *fw_ddb_entry = NULL;
7361 dma_addr_t fw_ddb_entry_dma;
7362 uint32_t options = 0;
7365 fw_ddb_entry = dma_alloc_coherent(&ha->pdev->dev, sizeof(*fw_ddb_entry),
7366 &fw_ddb_entry_dma, GFP_KERNEL);
7367 if (!fw_ddb_entry) {
7368 DEBUG2(ql4_printk(KERN_ERR, ha,
7369 "%s: Unable to allocate dma buffer\n",
7372 goto exit_ddb_apply;
7375 if (!strncasecmp(fnode_sess->portal_type, PORTAL_TYPE_IPV6, 4))
7376 options |= IPV6_DEFAULT_DDB_ENTRY;
7378 rval = qla4xxx_get_default_ddb(ha, options, fw_ddb_entry_dma);
7379 if (rval == QLA_ERROR)
7380 goto exit_ddb_apply;
7382 dev_db_start_offset += (fnode_sess->target_id *
7383 sizeof(*fw_ddb_entry));
7385 qla4xxx_copy_to_fwddb_param(fnode_sess, fnode_conn, fw_ddb_entry);
7386 fw_ddb_entry->cookie = DDB_VALID_COOKIE;
7388 rval = qla4xxx_set_flash(ha, fw_ddb_entry_dma, dev_db_start_offset,
7389 sizeof(*fw_ddb_entry), FLASH_OPT_RMW_COMMIT);
7391 if (rval == QLA_SUCCESS) {
7392 fnode_sess->flash_state = DEV_DB_PERSISTENT;
7393 ql4_printk(KERN_INFO, ha,
7394 "%s: flash node %u of host %lu written to flash\n",
7395 __func__, fnode_sess->target_id, ha->host_no);
7398 ql4_printk(KERN_ERR, ha,
7399 "%s: Error while writing flash node %u of host %lu to flash\n",
7400 __func__, fnode_sess->target_id, ha->host_no);
7405 dma_free_coherent(&ha->pdev->dev, sizeof(*fw_ddb_entry),
7406 fw_ddb_entry, fw_ddb_entry_dma);
7410 static ssize_t qla4xxx_sysfs_ddb_conn_open(struct scsi_qla_host *ha,
7411 struct dev_db_entry *fw_ddb_entry,
7414 struct dev_db_entry *ddb_entry = NULL;
7415 dma_addr_t ddb_entry_dma;
7416 unsigned long wtime;
7417 uint32_t mbx_sts = 0;
7418 uint32_t state = 0, conn_err = 0;
7422 ddb_entry = dma_alloc_coherent(&ha->pdev->dev, sizeof(*ddb_entry),
7423 &ddb_entry_dma, GFP_KERNEL);
7425 DEBUG2(ql4_printk(KERN_ERR, ha,
7426 "%s: Unable to allocate dma buffer\n",
7431 memcpy(ddb_entry, fw_ddb_entry, sizeof(*ddb_entry));
7433 ret = qla4xxx_set_ddb_entry(ha, idx, ddb_entry_dma, &mbx_sts);
7434 if (ret != QLA_SUCCESS) {
7435 DEBUG2(ql4_printk(KERN_ERR, ha,
7436 "%s: Unable to set ddb entry for index %d\n",
7438 goto exit_ddb_conn_open;
7441 qla4xxx_conn_open(ha, idx);
7443 /* To ensure that sendtargets is done, wait for at least 12 secs */
7444 tmo = ((ha->def_timeout > LOGIN_TOV) &&
7445 (ha->def_timeout < LOGIN_TOV * 10) ?
7446 ha->def_timeout : LOGIN_TOV);
7448 DEBUG2(ql4_printk(KERN_INFO, ha,
7449 "Default time to wait for login to ddb %d\n", tmo));
7451 wtime = jiffies + (HZ * tmo);
7453 ret = qla4xxx_get_fwddb_entry(ha, idx, NULL, 0, NULL,
7454 NULL, &state, &conn_err, NULL,
7456 if (ret == QLA_ERROR)
7459 if (state == DDB_DS_NO_CONNECTION_ACTIVE ||
7460 state == DDB_DS_SESSION_FAILED)
7463 schedule_timeout_uninterruptible(HZ / 10);
7464 } while (time_after(wtime, jiffies));
7468 dma_free_coherent(&ha->pdev->dev, sizeof(*ddb_entry),
7469 ddb_entry, ddb_entry_dma);
7473 static int qla4xxx_ddb_login_st(struct scsi_qla_host *ha,
7474 struct dev_db_entry *fw_ddb_entry,
7477 struct qla_ddb_index *ddb_idx, *ddb_idx_tmp;
7478 struct list_head list_nt;
7482 if (test_bit(AF_ST_DISCOVERY_IN_PROGRESS, &ha->flags)) {
7483 ql4_printk(KERN_WARNING, ha,
7484 "%s: A discovery already in progress!\n", __func__);
7488 INIT_LIST_HEAD(&list_nt);
7490 set_bit(AF_ST_DISCOVERY_IN_PROGRESS, &ha->flags);
7492 ret = qla4xxx_get_ddb_index(ha, &ddb_index);
7493 if (ret == QLA_ERROR)
7494 goto exit_login_st_clr_bit;
7496 ret = qla4xxx_sysfs_ddb_conn_open(ha, fw_ddb_entry, ddb_index);
7497 if (ret == QLA_ERROR)
7500 qla4xxx_build_new_nt_list(ha, &list_nt, target_id);
7502 list_for_each_entry_safe(ddb_idx, ddb_idx_tmp, &list_nt, list) {
7503 list_del_init(&ddb_idx->list);
7504 qla4xxx_clear_ddb_entry(ha, ddb_idx->fw_ddb_idx);
7509 if (qla4xxx_clear_ddb_entry(ha, ddb_index) == QLA_ERROR) {
7510 ql4_printk(KERN_ERR, ha,
7511 "Unable to clear DDB index = 0x%x\n", ddb_index);
7514 clear_bit(ddb_index, ha->ddb_idx_map);
7516 exit_login_st_clr_bit:
7517 clear_bit(AF_ST_DISCOVERY_IN_PROGRESS, &ha->flags);
7521 static int qla4xxx_ddb_login_nt(struct scsi_qla_host *ha,
7522 struct dev_db_entry *fw_ddb_entry,
7525 int ret = QLA_ERROR;
7527 ret = qla4xxx_is_session_exists(ha, fw_ddb_entry, NULL);
7528 if (ret != QLA_SUCCESS)
7529 ret = qla4xxx_sess_conn_setup(ha, fw_ddb_entry, RESET_ADAPTER,
7538 * qla4xxx_sysfs_ddb_login - Login to the specified target
7539 * @fnode_sess: pointer to session attrs of flash ddb entry
7540 * @fnode_conn: pointer to connection attrs of flash ddb entry
7542 * This logs in to the specified target
7544 static int qla4xxx_sysfs_ddb_login(struct iscsi_bus_flash_session *fnode_sess,
7545 struct iscsi_bus_flash_conn *fnode_conn)
7547 struct Scsi_Host *shost = iscsi_flash_session_to_shost(fnode_sess);
7548 struct scsi_qla_host *ha = to_qla_host(shost);
7549 struct dev_db_entry *fw_ddb_entry = NULL;
7550 dma_addr_t fw_ddb_entry_dma;
7551 uint32_t options = 0;
7554 if (fnode_sess->flash_state == DEV_DB_NON_PERSISTENT) {
7555 ql4_printk(KERN_ERR, ha,
7556 "%s: Target info is not persistent\n", __func__);
7558 goto exit_ddb_login;
7561 fw_ddb_entry = dma_alloc_coherent(&ha->pdev->dev, sizeof(*fw_ddb_entry),
7562 &fw_ddb_entry_dma, GFP_KERNEL);
7563 if (!fw_ddb_entry) {
7564 DEBUG2(ql4_printk(KERN_ERR, ha,
7565 "%s: Unable to allocate dma buffer\n",
7568 goto exit_ddb_login;
7571 if (!strncasecmp(fnode_sess->portal_type, PORTAL_TYPE_IPV6, 4))
7572 options |= IPV6_DEFAULT_DDB_ENTRY;
7574 ret = qla4xxx_get_default_ddb(ha, options, fw_ddb_entry_dma);
7575 if (ret == QLA_ERROR)
7576 goto exit_ddb_login;
7578 qla4xxx_copy_to_fwddb_param(fnode_sess, fnode_conn, fw_ddb_entry);
7579 fw_ddb_entry->cookie = DDB_VALID_COOKIE;
7581 if (strlen((char *)fw_ddb_entry->iscsi_name) == 0)
7582 ret = qla4xxx_ddb_login_st(ha, fw_ddb_entry,
7583 fnode_sess->target_id);
7585 ret = qla4xxx_ddb_login_nt(ha, fw_ddb_entry,
7586 fnode_sess->target_id);
7593 dma_free_coherent(&ha->pdev->dev, sizeof(*fw_ddb_entry),
7594 fw_ddb_entry, fw_ddb_entry_dma);
7599 * qla4xxx_sysfs_ddb_logout_sid - Logout session for the specified target
7600 * @cls_sess: pointer to session to be logged out
7602 * This performs session log out from the specified target
7604 static int qla4xxx_sysfs_ddb_logout_sid(struct iscsi_cls_session *cls_sess)
7606 struct iscsi_session *sess;
7607 struct ddb_entry *ddb_entry = NULL;
7608 struct scsi_qla_host *ha;
7609 struct dev_db_entry *fw_ddb_entry = NULL;
7610 dma_addr_t fw_ddb_entry_dma;
7611 unsigned long flags;
7612 unsigned long wtime;
7617 sess = cls_sess->dd_data;
7618 ddb_entry = sess->dd_data;
7621 if (ddb_entry->ddb_type != FLASH_DDB) {
7622 ql4_printk(KERN_ERR, ha, "%s: Not a flash node session\n",
7625 goto exit_ddb_logout;
7628 if (test_bit(DF_BOOT_TGT, &ddb_entry->flags)) {
7629 ql4_printk(KERN_ERR, ha,
7630 "%s: Logout from boot target entry is not permitted.\n",
7633 goto exit_ddb_logout;
7636 fw_ddb_entry = dma_alloc_coherent(&ha->pdev->dev, sizeof(*fw_ddb_entry),
7637 &fw_ddb_entry_dma, GFP_KERNEL);
7638 if (!fw_ddb_entry) {
7639 ql4_printk(KERN_ERR, ha,
7640 "%s: Unable to allocate dma buffer\n", __func__);
7642 goto exit_ddb_logout;
7645 if (test_and_set_bit(DF_DISABLE_RELOGIN, &ddb_entry->flags))
7646 goto ddb_logout_init;
7648 ret = qla4xxx_get_fwddb_entry(ha, ddb_entry->fw_ddb_index,
7649 fw_ddb_entry, fw_ddb_entry_dma,
7650 NULL, NULL, &ddb_state, NULL,
7652 if (ret == QLA_ERROR)
7653 goto ddb_logout_init;
7655 if (ddb_state == DDB_DS_SESSION_ACTIVE)
7656 goto ddb_logout_init;
7658 /* wait until next relogin is triggered using DF_RELOGIN and
7659 * clear DF_RELOGIN to avoid invocation of further relogin
7661 wtime = jiffies + (HZ * RELOGIN_TOV);
7663 if (test_and_clear_bit(DF_RELOGIN, &ddb_entry->flags))
7664 goto ddb_logout_init;
7666 schedule_timeout_uninterruptible(HZ);
7667 } while ((time_after(wtime, jiffies)));
7670 atomic_set(&ddb_entry->retry_relogin_timer, INVALID_ENTRY);
7671 atomic_set(&ddb_entry->relogin_timer, 0);
7673 options = LOGOUT_OPTION_CLOSE_SESSION;
7674 qla4xxx_session_logout_ddb(ha, ddb_entry, options);
7676 memset(fw_ddb_entry, 0, sizeof(*fw_ddb_entry));
7677 wtime = jiffies + (HZ * LOGOUT_TOV);
7679 ret = qla4xxx_get_fwddb_entry(ha, ddb_entry->fw_ddb_index,
7680 fw_ddb_entry, fw_ddb_entry_dma,
7681 NULL, NULL, &ddb_state, NULL,
7683 if (ret == QLA_ERROR)
7684 goto ddb_logout_clr_sess;
7686 if ((ddb_state == DDB_DS_NO_CONNECTION_ACTIVE) ||
7687 (ddb_state == DDB_DS_SESSION_FAILED))
7688 goto ddb_logout_clr_sess;
7690 schedule_timeout_uninterruptible(HZ);
7691 } while ((time_after(wtime, jiffies)));
7693 ddb_logout_clr_sess:
7694 qla4xxx_clear_ddb_entry(ha, ddb_entry->fw_ddb_index);
7696 * we have decremented the reference count of the driver
7697 * when we setup the session to have the driver unload
7698 * to be seamless without actually destroying the
7701 try_module_get(qla4xxx_iscsi_transport.owner);
7702 iscsi_destroy_endpoint(ddb_entry->conn->ep);
7704 spin_lock_irqsave(&ha->hardware_lock, flags);
7705 qla4xxx_free_ddb(ha, ddb_entry);
7706 clear_bit(ddb_entry->fw_ddb_index, ha->ddb_idx_map);
7707 spin_unlock_irqrestore(&ha->hardware_lock, flags);
7709 iscsi_session_teardown(ddb_entry->sess);
7711 clear_bit(DF_DISABLE_RELOGIN, &ddb_entry->flags);
7716 dma_free_coherent(&ha->pdev->dev, sizeof(*fw_ddb_entry),
7717 fw_ddb_entry, fw_ddb_entry_dma);
7722 * qla4xxx_sysfs_ddb_logout - Logout from the specified target
7723 * @fnode_sess: pointer to session attrs of flash ddb entry
7724 * @fnode_conn: pointer to connection attrs of flash ddb entry
7726 * This performs log out from the specified target
7728 static int qla4xxx_sysfs_ddb_logout(struct iscsi_bus_flash_session *fnode_sess,
7729 struct iscsi_bus_flash_conn *fnode_conn)
7731 struct Scsi_Host *shost = iscsi_flash_session_to_shost(fnode_sess);
7732 struct scsi_qla_host *ha = to_qla_host(shost);
7733 struct ql4_tuple_ddb *flash_tddb = NULL;
7734 struct ql4_tuple_ddb *tmp_tddb = NULL;
7735 struct dev_db_entry *fw_ddb_entry = NULL;
7736 struct ddb_entry *ddb_entry = NULL;
7737 dma_addr_t fw_ddb_dma;
7738 uint32_t next_idx = 0;
7739 uint32_t state = 0, conn_err = 0;
7740 uint16_t conn_id = 0;
7742 int status, ret = 0;
7744 fw_ddb_entry = dma_pool_alloc(ha->fw_ddb_dma_pool, GFP_KERNEL,
7746 if (fw_ddb_entry == NULL) {
7747 ql4_printk(KERN_ERR, ha, "%s:Out of memory\n", __func__);
7749 goto exit_ddb_logout;
7752 flash_tddb = vzalloc(sizeof(*flash_tddb));
7754 ql4_printk(KERN_WARNING, ha,
7755 "%s:Memory Allocation failed.\n", __func__);
7757 goto exit_ddb_logout;
7760 tmp_tddb = vzalloc(sizeof(*tmp_tddb));
7762 ql4_printk(KERN_WARNING, ha,
7763 "%s:Memory Allocation failed.\n", __func__);
7765 goto exit_ddb_logout;
7768 if (!fnode_sess->targetname) {
7769 ql4_printk(KERN_ERR, ha,
7770 "%s:Cannot logout from SendTarget entry\n",
7773 goto exit_ddb_logout;
7776 if (fnode_sess->is_boot_target) {
7777 ql4_printk(KERN_ERR, ha,
7778 "%s: Logout from boot target entry is not permitted.\n",
7781 goto exit_ddb_logout;
7784 strlcpy(flash_tddb->iscsi_name, fnode_sess->targetname,
7787 if (!strncmp(fnode_sess->portal_type, PORTAL_TYPE_IPV6, 4))
7788 sprintf(flash_tddb->ip_addr, "%pI6", fnode_conn->ipaddress);
7790 sprintf(flash_tddb->ip_addr, "%pI4", fnode_conn->ipaddress);
7792 flash_tddb->tpgt = fnode_sess->tpgt;
7793 flash_tddb->port = fnode_conn->port;
7795 COPY_ISID(flash_tddb->isid, fnode_sess->isid);
7797 for (idx = 0; idx < MAX_DDB_ENTRIES; idx++) {
7798 ddb_entry = qla4xxx_lookup_ddb_by_fw_index(ha, idx);
7799 if (ddb_entry == NULL)
7802 if (ddb_entry->ddb_type != FLASH_DDB)
7805 index = ddb_entry->sess->target_id;
7806 status = qla4xxx_get_fwddb_entry(ha, index, fw_ddb_entry,
7807 fw_ddb_dma, NULL, &next_idx,
7808 &state, &conn_err, NULL,
7810 if (status == QLA_ERROR) {
7815 qla4xxx_convert_param_ddb(fw_ddb_entry, tmp_tddb, NULL);
7817 status = qla4xxx_compare_tuple_ddb(ha, flash_tddb, tmp_tddb,
7819 if (status == QLA_SUCCESS) {
7820 ret = qla4xxx_sysfs_ddb_logout_sid(ddb_entry->sess);
7825 if (idx == MAX_DDB_ENTRIES)
7834 dma_pool_free(ha->fw_ddb_dma_pool, fw_ddb_entry, fw_ddb_dma);
7840 qla4xxx_sysfs_ddb_get_param(struct iscsi_bus_flash_session *fnode_sess,
7841 int param, char *buf)
7843 struct Scsi_Host *shost = iscsi_flash_session_to_shost(fnode_sess);
7844 struct scsi_qla_host *ha = to_qla_host(shost);
7845 struct iscsi_bus_flash_conn *fnode_conn;
7846 struct ql4_chap_table chap_tbl;
7851 dev = iscsi_find_flashnode_conn(fnode_sess);
7855 fnode_conn = iscsi_dev_to_flash_conn(dev);
7858 case ISCSI_FLASHNODE_IS_FW_ASSIGNED_IPV6:
7859 rc = sprintf(buf, "%u\n", fnode_conn->is_fw_assigned_ipv6);
7861 case ISCSI_FLASHNODE_PORTAL_TYPE:
7862 rc = sprintf(buf, "%s\n", fnode_sess->portal_type);
7864 case ISCSI_FLASHNODE_AUTO_SND_TGT_DISABLE:
7865 rc = sprintf(buf, "%u\n", fnode_sess->auto_snd_tgt_disable);
7867 case ISCSI_FLASHNODE_DISCOVERY_SESS:
7868 rc = sprintf(buf, "%u\n", fnode_sess->discovery_sess);
7870 case ISCSI_FLASHNODE_ENTRY_EN:
7871 rc = sprintf(buf, "%u\n", fnode_sess->entry_state);
7873 case ISCSI_FLASHNODE_HDR_DGST_EN:
7874 rc = sprintf(buf, "%u\n", fnode_conn->hdrdgst_en);
7876 case ISCSI_FLASHNODE_DATA_DGST_EN:
7877 rc = sprintf(buf, "%u\n", fnode_conn->datadgst_en);
7879 case ISCSI_FLASHNODE_IMM_DATA_EN:
7880 rc = sprintf(buf, "%u\n", fnode_sess->imm_data_en);
7882 case ISCSI_FLASHNODE_INITIAL_R2T_EN:
7883 rc = sprintf(buf, "%u\n", fnode_sess->initial_r2t_en);
7885 case ISCSI_FLASHNODE_DATASEQ_INORDER:
7886 rc = sprintf(buf, "%u\n", fnode_sess->dataseq_inorder_en);
7888 case ISCSI_FLASHNODE_PDU_INORDER:
7889 rc = sprintf(buf, "%u\n", fnode_sess->pdu_inorder_en);
7891 case ISCSI_FLASHNODE_CHAP_AUTH_EN:
7892 rc = sprintf(buf, "%u\n", fnode_sess->chap_auth_en);
7894 case ISCSI_FLASHNODE_SNACK_REQ_EN:
7895 rc = sprintf(buf, "%u\n", fnode_conn->snack_req_en);
7897 case ISCSI_FLASHNODE_DISCOVERY_LOGOUT_EN:
7898 rc = sprintf(buf, "%u\n", fnode_sess->discovery_logout_en);
7900 case ISCSI_FLASHNODE_BIDI_CHAP_EN:
7901 rc = sprintf(buf, "%u\n", fnode_sess->bidi_chap_en);
7903 case ISCSI_FLASHNODE_DISCOVERY_AUTH_OPTIONAL:
7904 rc = sprintf(buf, "%u\n", fnode_sess->discovery_auth_optional);
7906 case ISCSI_FLASHNODE_ERL:
7907 rc = sprintf(buf, "%u\n", fnode_sess->erl);
7909 case ISCSI_FLASHNODE_TCP_TIMESTAMP_STAT:
7910 rc = sprintf(buf, "%u\n", fnode_conn->tcp_timestamp_stat);
7912 case ISCSI_FLASHNODE_TCP_NAGLE_DISABLE:
7913 rc = sprintf(buf, "%u\n", fnode_conn->tcp_nagle_disable);
7915 case ISCSI_FLASHNODE_TCP_WSF_DISABLE:
7916 rc = sprintf(buf, "%u\n", fnode_conn->tcp_wsf_disable);
7918 case ISCSI_FLASHNODE_TCP_TIMER_SCALE:
7919 rc = sprintf(buf, "%u\n", fnode_conn->tcp_timer_scale);
7921 case ISCSI_FLASHNODE_TCP_TIMESTAMP_EN:
7922 rc = sprintf(buf, "%u\n", fnode_conn->tcp_timestamp_en);
7924 case ISCSI_FLASHNODE_IP_FRAG_DISABLE:
7925 rc = sprintf(buf, "%u\n", fnode_conn->fragment_disable);
7927 case ISCSI_FLASHNODE_MAX_RECV_DLENGTH:
7928 rc = sprintf(buf, "%u\n", fnode_conn->max_recv_dlength);
7930 case ISCSI_FLASHNODE_MAX_XMIT_DLENGTH:
7931 rc = sprintf(buf, "%u\n", fnode_conn->max_xmit_dlength);
7933 case ISCSI_FLASHNODE_FIRST_BURST:
7934 rc = sprintf(buf, "%u\n", fnode_sess->first_burst);
7936 case ISCSI_FLASHNODE_DEF_TIME2WAIT:
7937 rc = sprintf(buf, "%u\n", fnode_sess->time2wait);
7939 case ISCSI_FLASHNODE_DEF_TIME2RETAIN:
7940 rc = sprintf(buf, "%u\n", fnode_sess->time2retain);
7942 case ISCSI_FLASHNODE_MAX_R2T:
7943 rc = sprintf(buf, "%u\n", fnode_sess->max_r2t);
7945 case ISCSI_FLASHNODE_KEEPALIVE_TMO:
7946 rc = sprintf(buf, "%u\n", fnode_conn->keepalive_timeout);
7948 case ISCSI_FLASHNODE_ISID:
7949 rc = sprintf(buf, "%02x%02x%02x%02x%02x%02x\n",
7950 fnode_sess->isid[0], fnode_sess->isid[1],
7951 fnode_sess->isid[2], fnode_sess->isid[3],
7952 fnode_sess->isid[4], fnode_sess->isid[5]);
7954 case ISCSI_FLASHNODE_TSID:
7955 rc = sprintf(buf, "%u\n", fnode_sess->tsid);
7957 case ISCSI_FLASHNODE_PORT:
7958 rc = sprintf(buf, "%d\n", fnode_conn->port);
7960 case ISCSI_FLASHNODE_MAX_BURST:
7961 rc = sprintf(buf, "%u\n", fnode_sess->max_burst);
7963 case ISCSI_FLASHNODE_DEF_TASKMGMT_TMO:
7964 rc = sprintf(buf, "%u\n",
7965 fnode_sess->default_taskmgmt_timeout);
7967 case ISCSI_FLASHNODE_IPADDR:
7968 if (!strncmp(fnode_sess->portal_type, PORTAL_TYPE_IPV6, 4))
7969 rc = sprintf(buf, "%pI6\n", fnode_conn->ipaddress);
7971 rc = sprintf(buf, "%pI4\n", fnode_conn->ipaddress);
7973 case ISCSI_FLASHNODE_ALIAS:
7974 if (fnode_sess->targetalias)
7975 rc = sprintf(buf, "%s\n", fnode_sess->targetalias);
7977 rc = sprintf(buf, "\n");
7979 case ISCSI_FLASHNODE_REDIRECT_IPADDR:
7980 if (!strncmp(fnode_sess->portal_type, PORTAL_TYPE_IPV6, 4))
7981 rc = sprintf(buf, "%pI6\n",
7982 fnode_conn->redirect_ipaddr);
7984 rc = sprintf(buf, "%pI4\n",
7985 fnode_conn->redirect_ipaddr);
7987 case ISCSI_FLASHNODE_MAX_SEGMENT_SIZE:
7988 rc = sprintf(buf, "%u\n", fnode_conn->max_segment_size);
7990 case ISCSI_FLASHNODE_LOCAL_PORT:
7991 rc = sprintf(buf, "%u\n", fnode_conn->local_port);
7993 case ISCSI_FLASHNODE_IPV4_TOS:
7994 rc = sprintf(buf, "%u\n", fnode_conn->ipv4_tos);
7996 case ISCSI_FLASHNODE_IPV6_TC:
7997 if (!strncmp(fnode_sess->portal_type, PORTAL_TYPE_IPV6, 4))
7998 rc = sprintf(buf, "%u\n",
7999 fnode_conn->ipv6_traffic_class);
8001 rc = sprintf(buf, "\n");
8003 case ISCSI_FLASHNODE_IPV6_FLOW_LABEL:
8004 rc = sprintf(buf, "%u\n", fnode_conn->ipv6_flow_label);
8006 case ISCSI_FLASHNODE_LINK_LOCAL_IPV6:
8007 if (!strncmp(fnode_sess->portal_type, PORTAL_TYPE_IPV6, 4))
8008 rc = sprintf(buf, "%pI6\n",
8009 fnode_conn->link_local_ipv6_addr);
8011 rc = sprintf(buf, "\n");
8013 case ISCSI_FLASHNODE_DISCOVERY_PARENT_IDX:
8014 rc = sprintf(buf, "%u\n", fnode_sess->discovery_parent_idx);
8016 case ISCSI_FLASHNODE_DISCOVERY_PARENT_TYPE:
8017 if (fnode_sess->discovery_parent_type == DDB_ISNS)
8018 parent_type = ISCSI_DISC_PARENT_ISNS;
8019 else if (fnode_sess->discovery_parent_type == DDB_NO_LINK)
8020 parent_type = ISCSI_DISC_PARENT_UNKNOWN;
8021 else if (fnode_sess->discovery_parent_type < MAX_DDB_ENTRIES)
8022 parent_type = ISCSI_DISC_PARENT_SENDTGT;
8024 parent_type = ISCSI_DISC_PARENT_UNKNOWN;
8026 rc = sprintf(buf, "%s\n",
8027 iscsi_get_discovery_parent_name(parent_type));
8029 case ISCSI_FLASHNODE_NAME:
8030 if (fnode_sess->targetname)
8031 rc = sprintf(buf, "%s\n", fnode_sess->targetname);
8033 rc = sprintf(buf, "\n");
8035 case ISCSI_FLASHNODE_TPGT:
8036 rc = sprintf(buf, "%u\n", fnode_sess->tpgt);
8038 case ISCSI_FLASHNODE_TCP_XMIT_WSF:
8039 rc = sprintf(buf, "%u\n", fnode_conn->tcp_xmit_wsf);
8041 case ISCSI_FLASHNODE_TCP_RECV_WSF:
8042 rc = sprintf(buf, "%u\n", fnode_conn->tcp_recv_wsf);
8044 case ISCSI_FLASHNODE_CHAP_OUT_IDX:
8045 rc = sprintf(buf, "%u\n", fnode_sess->chap_out_idx);
8047 case ISCSI_FLASHNODE_USERNAME:
8048 if (fnode_sess->chap_auth_en) {
8049 qla4xxx_get_uni_chap_at_index(ha,
8052 fnode_sess->chap_out_idx);
8053 rc = sprintf(buf, "%s\n", chap_tbl.name);
8055 rc = sprintf(buf, "\n");
8058 case ISCSI_FLASHNODE_PASSWORD:
8059 if (fnode_sess->chap_auth_en) {
8060 qla4xxx_get_uni_chap_at_index(ha,
8063 fnode_sess->chap_out_idx);
8064 rc = sprintf(buf, "%s\n", chap_tbl.secret);
8066 rc = sprintf(buf, "\n");
8069 case ISCSI_FLASHNODE_STATSN:
8070 rc = sprintf(buf, "%u\n", fnode_conn->statsn);
8072 case ISCSI_FLASHNODE_EXP_STATSN:
8073 rc = sprintf(buf, "%u\n", fnode_conn->exp_statsn);
8075 case ISCSI_FLASHNODE_IS_BOOT_TGT:
8076 rc = sprintf(buf, "%u\n", fnode_sess->is_boot_target);
8088 * qla4xxx_sysfs_ddb_set_param - Set parameter for firmware DDB entry
8089 * @fnode_sess: pointer to session attrs of flash ddb entry
8090 * @fnode_conn: pointer to connection attrs of flash ddb entry
8091 * @data: Parameters and their values to update
8094 * This sets the parameter of flash ddb entry and writes them to flash
8097 qla4xxx_sysfs_ddb_set_param(struct iscsi_bus_flash_session *fnode_sess,
8098 struct iscsi_bus_flash_conn *fnode_conn,
8099 void *data, int len)
8101 struct Scsi_Host *shost = iscsi_flash_session_to_shost(fnode_sess);
8102 struct scsi_qla_host *ha = to_qla_host(shost);
8103 struct iscsi_flashnode_param_info *fnode_param;
8104 struct ql4_chap_table chap_tbl;
8105 struct nlattr *attr;
8106 uint16_t chap_out_idx = INVALID_ENTRY;
8110 memset((void *)&chap_tbl, 0, sizeof(chap_tbl));
8111 nla_for_each_attr(attr, data, len, rem) {
8112 fnode_param = nla_data(attr);
8114 switch (fnode_param->param) {
8115 case ISCSI_FLASHNODE_IS_FW_ASSIGNED_IPV6:
8116 fnode_conn->is_fw_assigned_ipv6 = fnode_param->value[0];
8118 case ISCSI_FLASHNODE_PORTAL_TYPE:
8119 memcpy(fnode_sess->portal_type, fnode_param->value,
8120 strlen(fnode_sess->portal_type));
8122 case ISCSI_FLASHNODE_AUTO_SND_TGT_DISABLE:
8123 fnode_sess->auto_snd_tgt_disable =
8124 fnode_param->value[0];
8126 case ISCSI_FLASHNODE_DISCOVERY_SESS:
8127 fnode_sess->discovery_sess = fnode_param->value[0];
8129 case ISCSI_FLASHNODE_ENTRY_EN:
8130 fnode_sess->entry_state = fnode_param->value[0];
8132 case ISCSI_FLASHNODE_HDR_DGST_EN:
8133 fnode_conn->hdrdgst_en = fnode_param->value[0];
8135 case ISCSI_FLASHNODE_DATA_DGST_EN:
8136 fnode_conn->datadgst_en = fnode_param->value[0];
8138 case ISCSI_FLASHNODE_IMM_DATA_EN:
8139 fnode_sess->imm_data_en = fnode_param->value[0];
8141 case ISCSI_FLASHNODE_INITIAL_R2T_EN:
8142 fnode_sess->initial_r2t_en = fnode_param->value[0];
8144 case ISCSI_FLASHNODE_DATASEQ_INORDER:
8145 fnode_sess->dataseq_inorder_en = fnode_param->value[0];
8147 case ISCSI_FLASHNODE_PDU_INORDER:
8148 fnode_sess->pdu_inorder_en = fnode_param->value[0];
8150 case ISCSI_FLASHNODE_CHAP_AUTH_EN:
8151 fnode_sess->chap_auth_en = fnode_param->value[0];
8152 /* Invalidate chap index if chap auth is disabled */
8153 if (!fnode_sess->chap_auth_en)
8154 fnode_sess->chap_out_idx = INVALID_ENTRY;
8157 case ISCSI_FLASHNODE_SNACK_REQ_EN:
8158 fnode_conn->snack_req_en = fnode_param->value[0];
8160 case ISCSI_FLASHNODE_DISCOVERY_LOGOUT_EN:
8161 fnode_sess->discovery_logout_en = fnode_param->value[0];
8163 case ISCSI_FLASHNODE_BIDI_CHAP_EN:
8164 fnode_sess->bidi_chap_en = fnode_param->value[0];
8166 case ISCSI_FLASHNODE_DISCOVERY_AUTH_OPTIONAL:
8167 fnode_sess->discovery_auth_optional =
8168 fnode_param->value[0];
8170 case ISCSI_FLASHNODE_ERL:
8171 fnode_sess->erl = fnode_param->value[0];
8173 case ISCSI_FLASHNODE_TCP_TIMESTAMP_STAT:
8174 fnode_conn->tcp_timestamp_stat = fnode_param->value[0];
8176 case ISCSI_FLASHNODE_TCP_NAGLE_DISABLE:
8177 fnode_conn->tcp_nagle_disable = fnode_param->value[0];
8179 case ISCSI_FLASHNODE_TCP_WSF_DISABLE:
8180 fnode_conn->tcp_wsf_disable = fnode_param->value[0];
8182 case ISCSI_FLASHNODE_TCP_TIMER_SCALE:
8183 fnode_conn->tcp_timer_scale = fnode_param->value[0];
8185 case ISCSI_FLASHNODE_TCP_TIMESTAMP_EN:
8186 fnode_conn->tcp_timestamp_en = fnode_param->value[0];
8188 case ISCSI_FLASHNODE_IP_FRAG_DISABLE:
8189 fnode_conn->fragment_disable = fnode_param->value[0];
8191 case ISCSI_FLASHNODE_MAX_RECV_DLENGTH:
8192 fnode_conn->max_recv_dlength =
8193 *(unsigned *)fnode_param->value;
8195 case ISCSI_FLASHNODE_MAX_XMIT_DLENGTH:
8196 fnode_conn->max_xmit_dlength =
8197 *(unsigned *)fnode_param->value;
8199 case ISCSI_FLASHNODE_FIRST_BURST:
8200 fnode_sess->first_burst =
8201 *(unsigned *)fnode_param->value;
8203 case ISCSI_FLASHNODE_DEF_TIME2WAIT:
8204 fnode_sess->time2wait = *(uint16_t *)fnode_param->value;
8206 case ISCSI_FLASHNODE_DEF_TIME2RETAIN:
8207 fnode_sess->time2retain =
8208 *(uint16_t *)fnode_param->value;
8210 case ISCSI_FLASHNODE_MAX_R2T:
8211 fnode_sess->max_r2t =
8212 *(uint16_t *)fnode_param->value;
8214 case ISCSI_FLASHNODE_KEEPALIVE_TMO:
8215 fnode_conn->keepalive_timeout =
8216 *(uint16_t *)fnode_param->value;
8218 case ISCSI_FLASHNODE_ISID:
8219 memcpy(fnode_sess->isid, fnode_param->value,
8220 sizeof(fnode_sess->isid));
8222 case ISCSI_FLASHNODE_TSID:
8223 fnode_sess->tsid = *(uint16_t *)fnode_param->value;
8225 case ISCSI_FLASHNODE_PORT:
8226 fnode_conn->port = *(uint16_t *)fnode_param->value;
8228 case ISCSI_FLASHNODE_MAX_BURST:
8229 fnode_sess->max_burst = *(unsigned *)fnode_param->value;
8231 case ISCSI_FLASHNODE_DEF_TASKMGMT_TMO:
8232 fnode_sess->default_taskmgmt_timeout =
8233 *(uint16_t *)fnode_param->value;
8235 case ISCSI_FLASHNODE_IPADDR:
8236 memcpy(fnode_conn->ipaddress, fnode_param->value,
8239 case ISCSI_FLASHNODE_ALIAS:
8240 rc = iscsi_switch_str_param(&fnode_sess->targetalias,
8241 (char *)fnode_param->value);
8243 case ISCSI_FLASHNODE_REDIRECT_IPADDR:
8244 memcpy(fnode_conn->redirect_ipaddr, fnode_param->value,
8247 case ISCSI_FLASHNODE_MAX_SEGMENT_SIZE:
8248 fnode_conn->max_segment_size =
8249 *(unsigned *)fnode_param->value;
8251 case ISCSI_FLASHNODE_LOCAL_PORT:
8252 fnode_conn->local_port =
8253 *(uint16_t *)fnode_param->value;
8255 case ISCSI_FLASHNODE_IPV4_TOS:
8256 fnode_conn->ipv4_tos = fnode_param->value[0];
8258 case ISCSI_FLASHNODE_IPV6_TC:
8259 fnode_conn->ipv6_traffic_class = fnode_param->value[0];
8261 case ISCSI_FLASHNODE_IPV6_FLOW_LABEL:
8262 fnode_conn->ipv6_flow_label = fnode_param->value[0];
8264 case ISCSI_FLASHNODE_NAME:
8265 rc = iscsi_switch_str_param(&fnode_sess->targetname,
8266 (char *)fnode_param->value);
8268 case ISCSI_FLASHNODE_TPGT:
8269 fnode_sess->tpgt = *(uint16_t *)fnode_param->value;
8271 case ISCSI_FLASHNODE_LINK_LOCAL_IPV6:
8272 memcpy(fnode_conn->link_local_ipv6_addr,
8273 fnode_param->value, IPv6_ADDR_LEN);
8275 case ISCSI_FLASHNODE_DISCOVERY_PARENT_IDX:
8276 fnode_sess->discovery_parent_idx =
8277 *(uint16_t *)fnode_param->value;
8279 case ISCSI_FLASHNODE_TCP_XMIT_WSF:
8280 fnode_conn->tcp_xmit_wsf =
8281 *(uint8_t *)fnode_param->value;
8283 case ISCSI_FLASHNODE_TCP_RECV_WSF:
8284 fnode_conn->tcp_recv_wsf =
8285 *(uint8_t *)fnode_param->value;
8287 case ISCSI_FLASHNODE_STATSN:
8288 fnode_conn->statsn = *(uint32_t *)fnode_param->value;
8290 case ISCSI_FLASHNODE_EXP_STATSN:
8291 fnode_conn->exp_statsn =
8292 *(uint32_t *)fnode_param->value;
8294 case ISCSI_FLASHNODE_CHAP_OUT_IDX:
8295 chap_out_idx = *(uint16_t *)fnode_param->value;
8296 if (!qla4xxx_get_uni_chap_at_index(ha,
8300 fnode_sess->chap_out_idx = chap_out_idx;
8301 /* Enable chap auth if chap index is valid */
8302 fnode_sess->chap_auth_en = QL4_PARAM_ENABLE;
8306 ql4_printk(KERN_ERR, ha,
8307 "%s: No such sysfs attribute\n", __func__);
8309 goto exit_set_param;
8313 rc = qla4xxx_sysfs_ddb_apply(fnode_sess, fnode_conn);
8320 * qla4xxx_sysfs_ddb_delete - Delete firmware DDB entry
8321 * @fnode_sess: pointer to session attrs of flash ddb entry
8323 * This invalidates the flash ddb entry at the given index
8325 static int qla4xxx_sysfs_ddb_delete(struct iscsi_bus_flash_session *fnode_sess)
8327 struct Scsi_Host *shost = iscsi_flash_session_to_shost(fnode_sess);
8328 struct scsi_qla_host *ha = to_qla_host(shost);
8329 uint32_t dev_db_start_offset;
8330 uint32_t dev_db_end_offset;
8331 struct dev_db_entry *fw_ddb_entry = NULL;
8332 dma_addr_t fw_ddb_entry_dma;
8333 uint16_t *ddb_cookie = NULL;
8334 size_t ddb_size = 0;
8339 if (fnode_sess->is_boot_target) {
8341 DEBUG2(ql4_printk(KERN_ERR, ha,
8342 "%s: Deletion of boot target entry is not permitted.\n",
8347 if (fnode_sess->flash_state == DEV_DB_NON_PERSISTENT)
8350 if (is_qla40XX(ha)) {
8351 dev_db_start_offset = FLASH_OFFSET_DB_INFO;
8352 dev_db_end_offset = FLASH_OFFSET_DB_END;
8353 dev_db_start_offset += (fnode_sess->target_id *
8354 sizeof(*fw_ddb_entry));
8355 ddb_size = sizeof(*fw_ddb_entry);
8357 dev_db_start_offset = FLASH_RAW_ACCESS_ADDR +
8358 (ha->hw.flt_region_ddb << 2);
8359 /* flt_ddb_size is DDB table size for both ports
8360 * so divide it by 2 to calculate the offset for second port
8362 if (ha->port_num == 1)
8363 dev_db_start_offset += (ha->hw.flt_ddb_size / 2);
8365 dev_db_end_offset = dev_db_start_offset +
8366 (ha->hw.flt_ddb_size / 2);
8368 dev_db_start_offset += (fnode_sess->target_id *
8369 sizeof(*fw_ddb_entry));
8370 dev_db_start_offset += offsetof(struct dev_db_entry, cookie);
8372 ddb_size = sizeof(*ddb_cookie);
8375 DEBUG2(ql4_printk(KERN_ERR, ha, "%s: start offset=%u, end offset=%u\n",
8376 __func__, dev_db_start_offset, dev_db_end_offset));
8378 if (dev_db_start_offset > dev_db_end_offset) {
8380 DEBUG2(ql4_printk(KERN_ERR, ha, "%s:Invalid DDB index %u\n",
8381 __func__, fnode_sess->target_id));
8385 pddb = dma_alloc_coherent(&ha->pdev->dev, ddb_size,
8386 &fw_ddb_entry_dma, GFP_KERNEL);
8389 DEBUG2(ql4_printk(KERN_ERR, ha,
8390 "%s: Unable to allocate dma buffer\n",
8395 if (is_qla40XX(ha)) {
8396 fw_ddb_entry = pddb;
8397 memset(fw_ddb_entry, 0, ddb_size);
8398 ddb_cookie = &fw_ddb_entry->cookie;
8403 /* invalidate the cookie */
8404 *ddb_cookie = 0xFFEE;
8405 qla4xxx_set_flash(ha, fw_ddb_entry_dma, dev_db_start_offset,
8406 ddb_size, FLASH_OPT_RMW_COMMIT);
8409 target_id = fnode_sess->target_id;
8410 iscsi_destroy_flashnode_sess(fnode_sess);
8411 ql4_printk(KERN_INFO, ha,
8412 "%s: session and conn entries for flashnode %u of host %lu deleted\n",
8413 __func__, target_id, ha->host_no);
8416 dma_free_coherent(&ha->pdev->dev, ddb_size, pddb,
8422 * qla4xxx_sysfs_ddb_export - Create sysfs entries for firmware DDBs
8423 * @ha: pointer to adapter structure
8425 * Export the firmware DDB for all send targets and normal targets to sysfs.
8427 int qla4xxx_sysfs_ddb_export(struct scsi_qla_host *ha)
8429 struct dev_db_entry *fw_ddb_entry = NULL;
8430 dma_addr_t fw_ddb_entry_dma;
8433 int ret = QLA_SUCCESS;
8435 fw_ddb_entry = dma_alloc_coherent(&ha->pdev->dev,
8436 sizeof(*fw_ddb_entry),
8437 &fw_ddb_entry_dma, GFP_KERNEL);
8438 if (!fw_ddb_entry) {
8439 DEBUG2(ql4_printk(KERN_ERR, ha,
8440 "%s: Unable to allocate dma buffer\n",
8445 max_ddbs = is_qla40XX(ha) ? MAX_PRST_DEV_DB_ENTRIES :
8448 for (idx = 0; idx < max_ddbs; idx++) {
8449 if (qla4xxx_flashdb_by_index(ha, fw_ddb_entry, fw_ddb_entry_dma,
8453 ret = qla4xxx_sysfs_ddb_tgt_create(ha, fw_ddb_entry, &idx, 0);
8460 dma_free_coherent(&ha->pdev->dev, sizeof(*fw_ddb_entry), fw_ddb_entry,
8466 static void qla4xxx_sysfs_ddb_remove(struct scsi_qla_host *ha)
8468 iscsi_destroy_all_flashnode(ha->host);
8472 * qla4xxx_build_ddb_list - Build ddb list and setup sessions
8473 * @ha: pointer to adapter structure
8474 * @is_reset: Is this init path or reset path
8476 * Create a list of sendtargets (st) from firmware DDBs, issue send targets
8477 * using connection open, then create the list of normal targets (nt)
8478 * from firmware DDBs. Based on the list of nt setup session and connection
8481 void qla4xxx_build_ddb_list(struct scsi_qla_host *ha, int is_reset)
8484 struct list_head list_st, list_nt;
8485 struct qla_ddb_index *st_ddb_idx, *st_ddb_idx_tmp;
8486 unsigned long wtime;
8488 if (!test_bit(AF_LINK_UP, &ha->flags)) {
8489 set_bit(AF_BUILD_DDB_LIST, &ha->flags);
8490 ha->is_reset = is_reset;
8494 INIT_LIST_HEAD(&list_st);
8495 INIT_LIST_HEAD(&list_nt);
8497 qla4xxx_build_st_list(ha, &list_st);
8499 /* Before issuing conn open mbox, ensure all IPs states are configured
8500 * Note, conn open fails if IPs are not configured
8502 qla4xxx_wait_for_ip_configuration(ha);
8504 /* Go thru the STs and fire the sendtargets by issuing conn open mbx */
8505 list_for_each_entry_safe(st_ddb_idx, st_ddb_idx_tmp, &list_st, list) {
8506 qla4xxx_conn_open(ha, st_ddb_idx->fw_ddb_idx);
8509 /* Wait to ensure all sendtargets are done for min 12 sec wait */
8510 tmo = ((ha->def_timeout > LOGIN_TOV) &&
8511 (ha->def_timeout < LOGIN_TOV * 10) ?
8512 ha->def_timeout : LOGIN_TOV);
8514 DEBUG2(ql4_printk(KERN_INFO, ha,
8515 "Default time to wait for build ddb %d\n", tmo));
8517 wtime = jiffies + (HZ * tmo);
8519 if (list_empty(&list_st))
8522 qla4xxx_remove_failed_ddb(ha, &list_st);
8523 schedule_timeout_uninterruptible(HZ / 10);
8524 } while (time_after(wtime, jiffies));
8527 qla4xxx_build_nt_list(ha, &list_nt, &list_st, is_reset);
8529 qla4xxx_free_ddb_list(&list_st);
8530 qla4xxx_free_ddb_list(&list_nt);
8532 qla4xxx_free_ddb_index(ha);
8536 * qla4xxx_wait_login_resp_boot_tgt - Wait for iSCSI boot target login
8538 * @ha: pointer to adapter structure
8540 * When the boot entry is normal iSCSI target then DF_BOOT_TGT flag will be
8541 * set in DDB and we will wait for login response of boot targets during
8544 static void qla4xxx_wait_login_resp_boot_tgt(struct scsi_qla_host *ha)
8546 struct ddb_entry *ddb_entry;
8547 struct dev_db_entry *fw_ddb_entry = NULL;
8548 dma_addr_t fw_ddb_entry_dma;
8549 unsigned long wtime;
8551 int max_ddbs, idx, ret;
8553 max_ddbs = is_qla40XX(ha) ? MAX_DEV_DB_ENTRIES_40XX :
8556 fw_ddb_entry = dma_alloc_coherent(&ha->pdev->dev, sizeof(*fw_ddb_entry),
8557 &fw_ddb_entry_dma, GFP_KERNEL);
8558 if (!fw_ddb_entry) {
8559 ql4_printk(KERN_ERR, ha,
8560 "%s: Unable to allocate dma buffer\n", __func__);
8561 goto exit_login_resp;
8564 wtime = jiffies + (HZ * BOOT_LOGIN_RESP_TOV);
8566 for (idx = 0; idx < max_ddbs; idx++) {
8567 ddb_entry = qla4xxx_lookup_ddb_by_fw_index(ha, idx);
8568 if (ddb_entry == NULL)
8571 if (test_bit(DF_BOOT_TGT, &ddb_entry->flags)) {
8572 DEBUG2(ql4_printk(KERN_INFO, ha,
8573 "%s: DDB index [%d]\n", __func__,
8574 ddb_entry->fw_ddb_index));
8576 ret = qla4xxx_get_fwddb_entry(ha,
8577 ddb_entry->fw_ddb_index,
8578 fw_ddb_entry, fw_ddb_entry_dma,
8579 NULL, NULL, &ddb_state, NULL,
8581 if (ret == QLA_ERROR)
8582 goto exit_login_resp;
8584 if ((ddb_state == DDB_DS_SESSION_ACTIVE) ||
8585 (ddb_state == DDB_DS_SESSION_FAILED))
8588 schedule_timeout_uninterruptible(HZ);
8590 } while ((time_after(wtime, jiffies)));
8592 if (!time_after(wtime, jiffies)) {
8593 DEBUG2(ql4_printk(KERN_INFO, ha,
8594 "%s: Login response wait timer expired\n",
8596 goto exit_login_resp;
8603 dma_free_coherent(&ha->pdev->dev, sizeof(*fw_ddb_entry),
8604 fw_ddb_entry, fw_ddb_entry_dma);
8608 * qla4xxx_probe_adapter - callback function to probe HBA
8609 * @pdev: pointer to pci_dev structure
8610 * @pci_device_id: pointer to pci_device entry
8612 * This routine will probe for Qlogic 4xxx iSCSI host adapters.
8613 * It returns zero if successful. It also initializes all data necessary for
8616 static int qla4xxx_probe_adapter(struct pci_dev *pdev,
8617 const struct pci_device_id *ent)
8619 int ret = -ENODEV, status;
8620 struct Scsi_Host *host;
8621 struct scsi_qla_host *ha;
8622 uint8_t init_retry_count = 0;
8624 struct qla4_8xxx_legacy_intr_set *nx_legacy_intr;
8627 if (pci_enable_device(pdev))
8630 host = iscsi_host_alloc(&qla4xxx_driver_template, sizeof(*ha), 0);
8633 "qla4xxx: Couldn't allocate host from scsi layer!\n");
8634 goto probe_disable_device;
8637 /* Clear our data area */
8638 ha = to_qla_host(host);
8639 memset(ha, 0, sizeof(*ha));
8641 /* Save the information from PCI BIOS. */
8644 ha->host_no = host->host_no;
8645 ha->func_num = PCI_FUNC(ha->pdev->devfn);
8647 pci_enable_pcie_error_reporting(pdev);
8649 /* Setup Runtime configurable options */
8650 if (is_qla8022(ha)) {
8651 ha->isp_ops = &qla4_82xx_isp_ops;
8652 ha->reg_tbl = (uint32_t *) qla4_82xx_reg_tbl;
8653 ha->qdr_sn_window = -1;
8654 ha->ddr_mn_window = -1;
8655 ha->curr_window = 255;
8656 nx_legacy_intr = &legacy_intr[ha->func_num];
8657 ha->nx_legacy_intr.int_vec_bit = nx_legacy_intr->int_vec_bit;
8658 ha->nx_legacy_intr.tgt_status_reg =
8659 nx_legacy_intr->tgt_status_reg;
8660 ha->nx_legacy_intr.tgt_mask_reg = nx_legacy_intr->tgt_mask_reg;
8661 ha->nx_legacy_intr.pci_int_reg = nx_legacy_intr->pci_int_reg;
8662 } else if (is_qla8032(ha) || is_qla8042(ha)) {
8663 ha->isp_ops = &qla4_83xx_isp_ops;
8664 ha->reg_tbl = (uint32_t *)qla4_83xx_reg_tbl;
8666 ha->isp_ops = &qla4xxx_isp_ops;
8669 if (is_qla80XX(ha)) {
8670 rwlock_init(&ha->hw_lock);
8671 ha->pf_bit = ha->func_num << 16;
8672 /* Set EEH reset type to fundamental if required by hba */
8673 pdev->needs_freset = 1;
8676 /* Configure PCI I/O space. */
8677 ret = ha->isp_ops->iospace_config(ha);
8679 goto probe_failed_ioconfig;
8681 ql4_printk(KERN_INFO, ha, "Found an ISP%04x, irq %d, iobase 0x%p\n",
8682 pdev->device, pdev->irq, ha->reg);
8684 qla4xxx_config_dma_addressing(ha);
8686 /* Initialize lists and spinlocks. */
8687 INIT_LIST_HEAD(&ha->free_srb_q);
8689 mutex_init(&ha->mbox_sem);
8690 mutex_init(&ha->chap_sem);
8691 init_completion(&ha->mbx_intr_comp);
8692 init_completion(&ha->disable_acb_comp);
8693 init_completion(&ha->idc_comp);
8694 init_completion(&ha->link_up_comp);
8695 init_completion(&ha->disable_acb_comp);
8697 spin_lock_init(&ha->hardware_lock);
8698 spin_lock_init(&ha->work_lock);
8700 /* Initialize work list */
8701 INIT_LIST_HEAD(&ha->work_list);
8703 /* Allocate dma buffers */
8704 if (qla4xxx_mem_alloc(ha)) {
8705 ql4_printk(KERN_WARNING, ha,
8706 "[ERROR] Failed to allocate memory for adapter\n");
8712 host->cmd_per_lun = 3;
8713 host->max_channel = 0;
8714 host->max_lun = MAX_LUNS - 1;
8715 host->max_id = MAX_TARGETS;
8716 host->max_cmd_len = IOCB_MAX_CDB_LEN;
8717 host->can_queue = MAX_SRBS ;
8718 host->transportt = qla4xxx_scsi_transport;
8720 pci_set_drvdata(pdev, ha);
8722 ret = scsi_add_host(host, &pdev->dev);
8727 qla4_8xxx_get_flash_info(ha);
8729 if (is_qla8032(ha) || is_qla8042(ha)) {
8730 qla4_83xx_read_reset_template(ha);
8732 * NOTE: If ql4dontresethba==1, set IDC_CTRL DONTRESET_BIT0.
8733 * If DONRESET_BIT0 is set, drivers should not set dev_state
8734 * to NEED_RESET. But if NEED_RESET is set, drivers should
8735 * should honor the reset.
8737 if (ql4xdontresethba == 1)
8738 qla4_83xx_set_idc_dontreset(ha);
8742 * Initialize the Host adapter request/response queues and
8744 * NOTE: interrupts enabled upon successful completion
8746 status = qla4xxx_initialize_adapter(ha, INIT_ADAPTER);
8748 /* Dont retry adapter initialization if IRQ allocation failed */
8749 if (is_qla80XX(ha) && (status == QLA_ERROR))
8750 goto skip_retry_init;
8752 while ((!test_bit(AF_ONLINE, &ha->flags)) &&
8753 init_retry_count++ < MAX_INIT_RETRIES) {
8755 if (is_qla80XX(ha)) {
8756 ha->isp_ops->idc_lock(ha);
8757 dev_state = qla4_8xxx_rd_direct(ha,
8758 QLA8XXX_CRB_DEV_STATE);
8759 ha->isp_ops->idc_unlock(ha);
8760 if (dev_state == QLA8XXX_DEV_FAILED) {
8761 ql4_printk(KERN_WARNING, ha, "%s: don't retry "
8762 "initialize adapter. H/W is in failed state\n",
8767 DEBUG2(printk("scsi: %s: retrying adapter initialization "
8768 "(%d)\n", __func__, init_retry_count));
8770 if (ha->isp_ops->reset_chip(ha) == QLA_ERROR)
8773 status = qla4xxx_initialize_adapter(ha, INIT_ADAPTER);
8774 if (is_qla80XX(ha) && (status == QLA_ERROR)) {
8775 if (qla4_8xxx_check_init_adapter_retry(ha) == QLA_ERROR)
8776 goto skip_retry_init;
8781 if (!test_bit(AF_ONLINE, &ha->flags)) {
8782 ql4_printk(KERN_WARNING, ha, "Failed to initialize adapter\n");
8784 if ((is_qla8022(ha) && ql4xdontresethba) ||
8785 ((is_qla8032(ha) || is_qla8042(ha)) &&
8786 qla4_83xx_idc_dontreset(ha))) {
8787 /* Put the device in failed state. */
8788 DEBUG2(printk(KERN_ERR "HW STATE: FAILED\n"));
8789 ha->isp_ops->idc_lock(ha);
8790 qla4_8xxx_wr_direct(ha, QLA8XXX_CRB_DEV_STATE,
8791 QLA8XXX_DEV_FAILED);
8792 ha->isp_ops->idc_unlock(ha);
8798 /* Startup the kernel thread for this host adapter. */
8799 DEBUG2(printk("scsi: %s: Starting kernel thread for "
8800 "qla4xxx_dpc\n", __func__));
8801 sprintf(buf, "qla4xxx_%lu_dpc", ha->host_no);
8802 ha->dpc_thread = create_singlethread_workqueue(buf);
8803 if (!ha->dpc_thread) {
8804 ql4_printk(KERN_WARNING, ha, "Unable to start DPC thread!\n");
8808 INIT_WORK(&ha->dpc_work, qla4xxx_do_dpc);
8810 ha->task_wq = alloc_workqueue("qla4xxx_%lu_task", WQ_MEM_RECLAIM, 1,
8813 ql4_printk(KERN_WARNING, ha, "Unable to start task thread!\n");
8819 * For ISP-8XXX, request_irqs is called in qla4_8xxx_load_risc
8820 * (which is called indirectly by qla4xxx_initialize_adapter),
8821 * so that irqs will be registered after crbinit but before
8824 if (is_qla40XX(ha)) {
8825 ret = qla4xxx_request_irqs(ha);
8827 ql4_printk(KERN_WARNING, ha, "Failed to reserve "
8828 "interrupt %d already in use.\n", pdev->irq);
8833 pci_save_state(ha->pdev);
8834 ha->isp_ops->enable_intrs(ha);
8836 /* Start timer thread. */
8837 qla4xxx_start_timer(ha, qla4xxx_timer, 1);
8839 set_bit(AF_INIT_DONE, &ha->flags);
8841 qla4_8xxx_alloc_sysfs_attr(ha);
8844 " QLogic iSCSI HBA Driver version: %s\n"
8845 " QLogic ISP%04x @ %s, host#=%ld, fw=%02d.%02d.%02d.%02d\n",
8846 qla4xxx_version_str, ha->pdev->device, pci_name(ha->pdev),
8847 ha->host_no, ha->fw_info.fw_major, ha->fw_info.fw_minor,
8848 ha->fw_info.fw_patch, ha->fw_info.fw_build);
8850 /* Set the driver version */
8852 qla4_8xxx_set_param(ha, SET_DRVR_VERSION);
8854 if (qla4xxx_setup_boot_info(ha))
8855 ql4_printk(KERN_ERR, ha,
8856 "%s: No iSCSI boot target configured\n", __func__);
8858 set_bit(DPC_SYSFS_DDB_EXPORT, &ha->dpc_flags);
8859 /* Perform the build ddb list and login to each */
8860 qla4xxx_build_ddb_list(ha, INIT_ADAPTER);
8861 iscsi_host_for_each_session(ha->host, qla4xxx_login_flash_ddb);
8862 qla4xxx_wait_login_resp_boot_tgt(ha);
8864 qla4xxx_create_chap_list(ha);
8866 qla4xxx_create_ifaces(ha);
8870 scsi_remove_host(ha->host);
8873 qla4xxx_free_adapter(ha);
8875 probe_failed_ioconfig:
8876 pci_disable_pcie_error_reporting(pdev);
8877 scsi_host_put(ha->host);
8879 probe_disable_device:
8880 pci_disable_device(pdev);
8886 * qla4xxx_prevent_other_port_reinit - prevent other port from re-initialize
8887 * @ha: pointer to adapter structure
8889 * Mark the other ISP-4xxx port to indicate that the driver is being removed,
8890 * so that the other port will not re-initialize while in the process of
8891 * removing the ha due to driver unload or hba hotplug.
8893 static void qla4xxx_prevent_other_port_reinit(struct scsi_qla_host *ha)
8895 struct scsi_qla_host *other_ha = NULL;
8896 struct pci_dev *other_pdev = NULL;
8897 int fn = ISP4XXX_PCI_FN_2;
8899 /*iscsi function numbers for ISP4xxx is 1 and 3*/
8900 if (PCI_FUNC(ha->pdev->devfn) & BIT_1)
8901 fn = ISP4XXX_PCI_FN_1;
8904 pci_get_domain_bus_and_slot(pci_domain_nr(ha->pdev->bus),
8905 ha->pdev->bus->number, PCI_DEVFN(PCI_SLOT(ha->pdev->devfn),
8908 /* Get other_ha if other_pdev is valid and state is enable*/
8910 if (atomic_read(&other_pdev->enable_cnt)) {
8911 other_ha = pci_get_drvdata(other_pdev);
8913 set_bit(AF_HA_REMOVAL, &other_ha->flags);
8914 DEBUG2(ql4_printk(KERN_INFO, ha, "%s: "
8915 "Prevent %s reinit\n", __func__,
8916 dev_name(&other_ha->pdev->dev)));
8919 pci_dev_put(other_pdev);
8923 static void qla4xxx_destroy_ddb(struct scsi_qla_host *ha,
8924 struct ddb_entry *ddb_entry)
8926 struct dev_db_entry *fw_ddb_entry = NULL;
8927 dma_addr_t fw_ddb_entry_dma;
8928 unsigned long wtime;
8933 options = LOGOUT_OPTION_CLOSE_SESSION;
8934 if (qla4xxx_session_logout_ddb(ha, ddb_entry, options) == QLA_ERROR) {
8935 ql4_printk(KERN_ERR, ha, "%s: Logout failed\n", __func__);
8939 fw_ddb_entry = dma_alloc_coherent(&ha->pdev->dev, sizeof(*fw_ddb_entry),
8940 &fw_ddb_entry_dma, GFP_KERNEL);
8941 if (!fw_ddb_entry) {
8942 ql4_printk(KERN_ERR, ha,
8943 "%s: Unable to allocate dma buffer\n", __func__);
8947 wtime = jiffies + (HZ * LOGOUT_TOV);
8949 status = qla4xxx_get_fwddb_entry(ha, ddb_entry->fw_ddb_index,
8950 fw_ddb_entry, fw_ddb_entry_dma,
8951 NULL, NULL, &ddb_state, NULL,
8953 if (status == QLA_ERROR)
8956 if ((ddb_state == DDB_DS_NO_CONNECTION_ACTIVE) ||
8957 (ddb_state == DDB_DS_SESSION_FAILED))
8960 schedule_timeout_uninterruptible(HZ);
8961 } while ((time_after(wtime, jiffies)));
8964 dma_free_coherent(&ha->pdev->dev, sizeof(*fw_ddb_entry),
8965 fw_ddb_entry, fw_ddb_entry_dma);
8967 qla4xxx_clear_ddb_entry(ha, ddb_entry->fw_ddb_index);
8970 static void qla4xxx_destroy_fw_ddb_session(struct scsi_qla_host *ha)
8972 struct ddb_entry *ddb_entry;
8975 for (idx = 0; idx < MAX_DDB_ENTRIES; idx++) {
8977 ddb_entry = qla4xxx_lookup_ddb_by_fw_index(ha, idx);
8978 if ((ddb_entry != NULL) &&
8979 (ddb_entry->ddb_type == FLASH_DDB)) {
8981 qla4xxx_destroy_ddb(ha, ddb_entry);
8983 * we have decremented the reference count of the driver
8984 * when we setup the session to have the driver unload
8985 * to be seamless without actually destroying the
8988 try_module_get(qla4xxx_iscsi_transport.owner);
8989 iscsi_destroy_endpoint(ddb_entry->conn->ep);
8990 qla4xxx_free_ddb(ha, ddb_entry);
8991 iscsi_session_teardown(ddb_entry->sess);
8996 * qla4xxx_remove_adapter - callback function to remove adapter.
8997 * @pci_dev: PCI device pointer
8999 static void qla4xxx_remove_adapter(struct pci_dev *pdev)
9001 struct scsi_qla_host *ha;
9004 * If the PCI device is disabled then it means probe_adapter had
9005 * failed and resources already cleaned up on probe_adapter exit.
9007 if (!pci_is_enabled(pdev))
9010 ha = pci_get_drvdata(pdev);
9013 qla4xxx_prevent_other_port_reinit(ha);
9015 /* destroy iface from sysfs */
9016 qla4xxx_destroy_ifaces(ha);
9018 if ((!ql4xdisablesysfsboot) && ha->boot_kset)
9019 iscsi_boot_destroy_kset(ha->boot_kset);
9021 qla4xxx_destroy_fw_ddb_session(ha);
9022 qla4_8xxx_free_sysfs_attr(ha);
9024 qla4xxx_sysfs_ddb_remove(ha);
9025 scsi_remove_host(ha->host);
9027 qla4xxx_free_adapter(ha);
9029 scsi_host_put(ha->host);
9031 pci_disable_pcie_error_reporting(pdev);
9032 pci_disable_device(pdev);
9036 * qla4xxx_config_dma_addressing() - Configure OS DMA addressing method.
9039 * At exit, the @ha's flags.enable_64bit_addressing set to indicated
9040 * supported addressing method.
9042 static void qla4xxx_config_dma_addressing(struct scsi_qla_host *ha)
9046 /* Update our PCI device dma_mask for full 64 bit mask */
9047 if (pci_set_dma_mask(ha->pdev, DMA_BIT_MASK(64)) == 0) {
9048 if (pci_set_consistent_dma_mask(ha->pdev, DMA_BIT_MASK(64))) {
9049 dev_dbg(&ha->pdev->dev,
9050 "Failed to set 64 bit PCI consistent mask; "
9052 retval = pci_set_consistent_dma_mask(ha->pdev,
9056 retval = pci_set_dma_mask(ha->pdev, DMA_BIT_MASK(32));
9059 static int qla4xxx_slave_alloc(struct scsi_device *sdev)
9061 struct iscsi_cls_session *cls_sess;
9062 struct iscsi_session *sess;
9063 struct ddb_entry *ddb;
9064 int queue_depth = QL4_DEF_QDEPTH;
9066 cls_sess = starget_to_session(sdev->sdev_target);
9067 sess = cls_sess->dd_data;
9068 ddb = sess->dd_data;
9070 sdev->hostdata = ddb;
9072 if (ql4xmaxqdepth != 0 && ql4xmaxqdepth <= 0xffffU)
9073 queue_depth = ql4xmaxqdepth;
9075 scsi_change_queue_depth(sdev, queue_depth);
9080 * qla4xxx_del_from_active_array - returns an active srb
9081 * @ha: Pointer to host adapter structure.
9082 * @index: index into the active_array
9084 * This routine removes and returns the srb at the specified index
9086 struct srb *qla4xxx_del_from_active_array(struct scsi_qla_host *ha,
9089 struct srb *srb = NULL;
9090 struct scsi_cmnd *cmd = NULL;
9092 cmd = scsi_host_find_tag(ha->host, index);
9096 srb = (struct srb *)CMD_SP(cmd);
9100 /* update counters */
9101 if (srb->flags & SRB_DMA_VALID) {
9102 ha->iocb_cnt -= srb->iocb_cnt;
9104 srb->cmd->host_scribble =
9105 (unsigned char *)(unsigned long) MAX_SRBS;
9111 * qla4xxx_eh_wait_on_command - waits for command to be returned by firmware
9112 * @ha: Pointer to host adapter structure.
9113 * @cmd: Scsi Command to wait on.
9115 * This routine waits for the command to be returned by the Firmware
9116 * for some max time.
9118 static int qla4xxx_eh_wait_on_command(struct scsi_qla_host *ha,
9119 struct scsi_cmnd *cmd)
9123 uint32_t max_wait_time = EH_WAIT_CMD_TOV;
9126 /* Dont wait on command if PCI error is being handled
9129 if (unlikely(pci_channel_offline(ha->pdev)) ||
9130 (test_bit(AF_EEH_BUSY, &ha->flags))) {
9131 ql4_printk(KERN_WARNING, ha, "scsi%ld: Return from %s\n",
9132 ha->host_no, __func__);
9137 /* Checking to see if its returned to OS */
9138 rp = (struct srb *) CMD_SP(cmd);
9145 } while (max_wait_time--);
9151 * qla4xxx_wait_for_hba_online - waits for HBA to come online
9152 * @ha: Pointer to host adapter structure
9154 static int qla4xxx_wait_for_hba_online(struct scsi_qla_host *ha)
9156 unsigned long wait_online;
9158 wait_online = jiffies + (HBA_ONLINE_TOV * HZ);
9159 while (time_before(jiffies, wait_online)) {
9171 * qla4xxx_eh_wait_for_commands - wait for active cmds to finish.
9172 * @ha: pointer to HBA
9176 * This function waits for all outstanding commands to a lun to complete. It
9177 * returns 0 if all pending commands are returned and 1 otherwise.
9179 static int qla4xxx_eh_wait_for_commands(struct scsi_qla_host *ha,
9180 struct scsi_target *stgt,
9181 struct scsi_device *sdev)
9185 struct scsi_cmnd *cmd;
9188 * Waiting for all commands for the designated target or dev
9189 * in the active array
9191 for (cnt = 0; cnt < ha->host->can_queue; cnt++) {
9192 cmd = scsi_host_find_tag(ha->host, cnt);
9193 if (cmd && stgt == scsi_target(cmd->device) &&
9194 (!sdev || sdev == cmd->device)) {
9195 if (!qla4xxx_eh_wait_on_command(ha, cmd)) {
9205 * qla4xxx_eh_abort - callback for abort task.
9206 * @cmd: Pointer to Linux's SCSI command structure
9208 * This routine is called by the Linux OS to abort the specified
9211 static int qla4xxx_eh_abort(struct scsi_cmnd *cmd)
9213 struct scsi_qla_host *ha = to_qla_host(cmd->device->host);
9214 unsigned int id = cmd->device->id;
9215 uint64_t lun = cmd->device->lun;
9216 unsigned long flags;
9217 struct srb *srb = NULL;
9222 ql4_printk(KERN_INFO, ha, "scsi%ld:%d:%llu: Abort command issued cmd=%p, cdb=0x%x\n",
9223 ha->host_no, id, lun, cmd, cmd->cmnd[0]);
9225 rval = qla4xxx_isp_check_reg(ha);
9226 if (rval != QLA_SUCCESS) {
9227 ql4_printk(KERN_INFO, ha, "PCI/Register disconnect, exiting.\n");
9231 spin_lock_irqsave(&ha->hardware_lock, flags);
9232 srb = (struct srb *) CMD_SP(cmd);
9234 spin_unlock_irqrestore(&ha->hardware_lock, flags);
9235 ql4_printk(KERN_INFO, ha, "scsi%ld:%d:%llu: Specified command has already completed.\n",
9236 ha->host_no, id, lun);
9239 kref_get(&srb->srb_ref);
9240 spin_unlock_irqrestore(&ha->hardware_lock, flags);
9242 if (qla4xxx_abort_task(ha, srb) != QLA_SUCCESS) {
9243 DEBUG3(printk("scsi%ld:%d:%llu: Abort_task mbx failed.\n",
9244 ha->host_no, id, lun));
9247 DEBUG3(printk("scsi%ld:%d:%llu: Abort_task mbx success.\n",
9248 ha->host_no, id, lun));
9252 kref_put(&srb->srb_ref, qla4xxx_srb_compl);
9254 /* Wait for command to complete */
9256 if (!qla4xxx_eh_wait_on_command(ha, cmd)) {
9257 DEBUG2(printk("scsi%ld:%d:%llu: Abort handler timed out\n",
9258 ha->host_no, id, lun));
9263 ql4_printk(KERN_INFO, ha,
9264 "scsi%ld:%d:%llu: Abort command - %s\n",
9265 ha->host_no, id, lun, (ret == SUCCESS) ? "succeeded" : "failed");
9271 * qla4xxx_eh_device_reset - callback for target reset.
9272 * @cmd: Pointer to Linux's SCSI command structure
9274 * This routine is called by the Linux OS to reset all luns on the
9277 static int qla4xxx_eh_device_reset(struct scsi_cmnd *cmd)
9279 struct scsi_qla_host *ha = to_qla_host(cmd->device->host);
9280 struct ddb_entry *ddb_entry = cmd->device->hostdata;
9281 int ret = FAILED, stat;
9287 ret = iscsi_block_scsi_eh(cmd);
9292 ql4_printk(KERN_INFO, ha,
9293 "scsi%ld:%d:%d:%llu: DEVICE RESET ISSUED.\n", ha->host_no,
9294 cmd->device->channel, cmd->device->id, cmd->device->lun);
9296 DEBUG2(printk(KERN_INFO
9297 "scsi%ld: DEVICE_RESET cmd=%p jiffies = 0x%lx, to=%x,"
9298 "dpc_flags=%lx, status=%x allowed=%d\n", ha->host_no,
9299 cmd, jiffies, cmd->request->timeout / HZ,
9300 ha->dpc_flags, cmd->result, cmd->allowed));
9302 rval = qla4xxx_isp_check_reg(ha);
9303 if (rval != QLA_SUCCESS) {
9304 ql4_printk(KERN_INFO, ha, "PCI/Register disconnect, exiting.\n");
9308 /* FIXME: wait for hba to go online */
9309 stat = qla4xxx_reset_lun(ha, ddb_entry, cmd->device->lun);
9310 if (stat != QLA_SUCCESS) {
9311 ql4_printk(KERN_INFO, ha, "DEVICE RESET FAILED. %d\n", stat);
9312 goto eh_dev_reset_done;
9315 if (qla4xxx_eh_wait_for_commands(ha, scsi_target(cmd->device),
9317 ql4_printk(KERN_INFO, ha,
9318 "DEVICE RESET FAILED - waiting for "
9320 goto eh_dev_reset_done;
9324 if (qla4xxx_send_marker_iocb(ha, ddb_entry, cmd->device->lun,
9325 MM_LUN_RESET) != QLA_SUCCESS)
9326 goto eh_dev_reset_done;
9328 ql4_printk(KERN_INFO, ha,
9329 "scsi(%ld:%d:%d:%llu): DEVICE RESET SUCCEEDED.\n",
9330 ha->host_no, cmd->device->channel, cmd->device->id,
9341 * qla4xxx_eh_target_reset - callback for target reset.
9342 * @cmd: Pointer to Linux's SCSI command structure
9344 * This routine is called by the Linux OS to reset the target.
9346 static int qla4xxx_eh_target_reset(struct scsi_cmnd *cmd)
9348 struct scsi_qla_host *ha = to_qla_host(cmd->device->host);
9349 struct ddb_entry *ddb_entry = cmd->device->hostdata;
9356 ret = iscsi_block_scsi_eh(cmd);
9360 starget_printk(KERN_INFO, scsi_target(cmd->device),
9361 "WARM TARGET RESET ISSUED.\n");
9363 DEBUG2(printk(KERN_INFO
9364 "scsi%ld: TARGET_DEVICE_RESET cmd=%p jiffies = 0x%lx, "
9365 "to=%x,dpc_flags=%lx, status=%x allowed=%d\n",
9366 ha->host_no, cmd, jiffies, cmd->request->timeout / HZ,
9367 ha->dpc_flags, cmd->result, cmd->allowed));
9369 rval = qla4xxx_isp_check_reg(ha);
9370 if (rval != QLA_SUCCESS) {
9371 ql4_printk(KERN_INFO, ha, "PCI/Register disconnect, exiting.\n");
9375 stat = qla4xxx_reset_target(ha, ddb_entry);
9376 if (stat != QLA_SUCCESS) {
9377 starget_printk(KERN_INFO, scsi_target(cmd->device),
9378 "WARM TARGET RESET FAILED.\n");
9382 if (qla4xxx_eh_wait_for_commands(ha, scsi_target(cmd->device),
9384 starget_printk(KERN_INFO, scsi_target(cmd->device),
9385 "WARM TARGET DEVICE RESET FAILED - "
9386 "waiting for commands.\n");
9391 if (qla4xxx_send_marker_iocb(ha, ddb_entry, cmd->device->lun,
9392 MM_TGT_WARM_RESET) != QLA_SUCCESS) {
9393 starget_printk(KERN_INFO, scsi_target(cmd->device),
9394 "WARM TARGET DEVICE RESET FAILED - "
9395 "marker iocb failed.\n");
9399 starget_printk(KERN_INFO, scsi_target(cmd->device),
9400 "WARM TARGET RESET SUCCEEDED.\n");
9405 * qla4xxx_is_eh_active - check if error handler is running
9406 * @shost: Pointer to SCSI Host struct
9408 * This routine finds that if reset host is called in EH
9409 * scenario or from some application like sg_reset
9411 static int qla4xxx_is_eh_active(struct Scsi_Host *shost)
9413 if (shost->shost_state == SHOST_RECOVERY)
9419 * qla4xxx_eh_host_reset - kernel callback
9420 * @cmd: Pointer to Linux's SCSI command structure
9422 * This routine is invoked by the Linux kernel to perform fatal error
9423 * recovery on the specified adapter.
9425 static int qla4xxx_eh_host_reset(struct scsi_cmnd *cmd)
9427 int return_status = FAILED;
9428 struct scsi_qla_host *ha;
9431 ha = to_qla_host(cmd->device->host);
9433 rval = qla4xxx_isp_check_reg(ha);
9434 if (rval != QLA_SUCCESS) {
9435 ql4_printk(KERN_INFO, ha, "PCI/Register disconnect, exiting.\n");
9439 if ((is_qla8032(ha) || is_qla8042(ha)) && ql4xdontresethba)
9440 qla4_83xx_set_idc_dontreset(ha);
9443 * For ISP8324 and ISP8042, if IDC_CTRL DONTRESET_BIT0 is set by other
9444 * protocol drivers, we should not set device_state to NEED_RESET
9446 if (ql4xdontresethba ||
9447 ((is_qla8032(ha) || is_qla8042(ha)) &&
9448 qla4_83xx_idc_dontreset(ha))) {
9449 DEBUG2(printk("scsi%ld: %s: Don't Reset HBA\n",
9450 ha->host_no, __func__));
9452 /* Clear outstanding srb in queues */
9453 if (qla4xxx_is_eh_active(cmd->device->host))
9454 qla4xxx_abort_active_cmds(ha, DID_ABORT << 16);
9459 ql4_printk(KERN_INFO, ha,
9460 "scsi(%ld:%d:%d:%llu): HOST RESET ISSUED.\n", ha->host_no,
9461 cmd->device->channel, cmd->device->id, cmd->device->lun);
9463 if (qla4xxx_wait_for_hba_online(ha) != QLA_SUCCESS) {
9464 DEBUG2(printk("scsi%ld:%d: %s: Unable to reset host. Adapter "
9465 "DEAD.\n", ha->host_no, cmd->device->channel,
9471 if (!test_bit(DPC_RESET_HA, &ha->dpc_flags)) {
9473 set_bit(DPC_RESET_HA_FW_CONTEXT, &ha->dpc_flags);
9475 set_bit(DPC_RESET_HA, &ha->dpc_flags);
9478 if (qla4xxx_recover_adapter(ha) == QLA_SUCCESS)
9479 return_status = SUCCESS;
9481 ql4_printk(KERN_INFO, ha, "HOST RESET %s.\n",
9482 return_status == FAILED ? "FAILED" : "SUCCEEDED");
9484 return return_status;
9487 static int qla4xxx_context_reset(struct scsi_qla_host *ha)
9489 uint32_t mbox_cmd[MBOX_REG_COUNT];
9490 uint32_t mbox_sts[MBOX_REG_COUNT];
9491 struct addr_ctrl_blk_def *acb = NULL;
9492 uint32_t acb_len = sizeof(struct addr_ctrl_blk_def);
9493 int rval = QLA_SUCCESS;
9496 acb = dma_alloc_coherent(&ha->pdev->dev,
9497 sizeof(struct addr_ctrl_blk_def),
9498 &acb_dma, GFP_KERNEL);
9500 ql4_printk(KERN_ERR, ha, "%s: Unable to alloc acb\n",
9503 goto exit_port_reset;
9506 memset(acb, 0, acb_len);
9508 rval = qla4xxx_get_acb(ha, acb_dma, PRIMARI_ACB, acb_len);
9509 if (rval != QLA_SUCCESS) {
9514 rval = qla4xxx_disable_acb(ha);
9515 if (rval != QLA_SUCCESS) {
9520 wait_for_completion_timeout(&ha->disable_acb_comp,
9521 DISABLE_ACB_TOV * HZ);
9523 rval = qla4xxx_set_acb(ha, &mbox_cmd[0], &mbox_sts[0], acb_dma);
9524 if (rval != QLA_SUCCESS) {
9530 dma_free_coherent(&ha->pdev->dev, sizeof(struct addr_ctrl_blk_def),
9533 DEBUG2(ql4_printk(KERN_INFO, ha, "%s %s\n", __func__,
9534 rval == QLA_SUCCESS ? "SUCCEEDED" : "FAILED"));
9538 static int qla4xxx_host_reset(struct Scsi_Host *shost, int reset_type)
9540 struct scsi_qla_host *ha = to_qla_host(shost);
9541 int rval = QLA_SUCCESS;
9544 if (ql4xdontresethba) {
9545 DEBUG2(ql4_printk(KERN_INFO, ha, "%s: Don't Reset HBA\n",
9548 goto exit_host_reset;
9551 if (test_bit(DPC_RESET_HA, &ha->dpc_flags))
9552 goto recover_adapter;
9554 switch (reset_type) {
9555 case SCSI_ADAPTER_RESET:
9556 set_bit(DPC_RESET_HA, &ha->dpc_flags);
9558 case SCSI_FIRMWARE_RESET:
9559 if (!test_bit(DPC_RESET_HA, &ha->dpc_flags)) {
9561 /* set firmware context reset */
9562 set_bit(DPC_RESET_HA_FW_CONTEXT,
9565 rval = qla4xxx_context_reset(ha);
9566 goto exit_host_reset;
9573 /* For ISP8324 and ISP8042 set graceful reset bit in IDC_DRV_CTRL if
9574 * reset is issued by application */
9575 if ((is_qla8032(ha) || is_qla8042(ha)) &&
9576 test_bit(DPC_RESET_HA, &ha->dpc_flags)) {
9577 idc_ctrl = qla4_83xx_rd_reg(ha, QLA83XX_IDC_DRV_CTRL);
9578 qla4_83xx_wr_reg(ha, QLA83XX_IDC_DRV_CTRL,
9579 (idc_ctrl | GRACEFUL_RESET_BIT1));
9582 rval = qla4xxx_recover_adapter(ha);
9583 if (rval != QLA_SUCCESS) {
9584 DEBUG2(ql4_printk(KERN_INFO, ha, "%s: recover adapter fail\n",
9593 /* PCI AER driver recovers from all correctable errors w/o
9594 * driver intervention. For uncorrectable errors PCI AER
9595 * driver calls the following device driver's callbacks
9597 * - Fatal Errors - link_reset
9598 * - Non-Fatal Errors - driver's pci_error_detected() which
9599 * returns CAN_RECOVER, NEED_RESET or DISCONNECT.
9601 * PCI AER driver calls
9602 * CAN_RECOVER - driver's pci_mmio_enabled(), mmio_enabled
9603 * returns RECOVERED or NEED_RESET if fw_hung
9604 * NEED_RESET - driver's slot_reset()
9605 * DISCONNECT - device is dead & cannot recover
9606 * RECOVERED - driver's pci_resume()
9608 static pci_ers_result_t
9609 qla4xxx_pci_error_detected(struct pci_dev *pdev, pci_channel_state_t state)
9611 struct scsi_qla_host *ha = pci_get_drvdata(pdev);
9613 ql4_printk(KERN_WARNING, ha, "scsi%ld: %s: error detected:state %x\n",
9614 ha->host_no, __func__, state);
9616 if (!is_aer_supported(ha))
9617 return PCI_ERS_RESULT_NONE;
9620 case pci_channel_io_normal:
9621 clear_bit(AF_EEH_BUSY, &ha->flags);
9622 return PCI_ERS_RESULT_CAN_RECOVER;
9623 case pci_channel_io_frozen:
9624 set_bit(AF_EEH_BUSY, &ha->flags);
9625 qla4xxx_mailbox_premature_completion(ha);
9626 qla4xxx_free_irqs(ha);
9627 pci_disable_device(pdev);
9628 /* Return back all IOs */
9629 qla4xxx_abort_active_cmds(ha, DID_RESET << 16);
9630 return PCI_ERS_RESULT_NEED_RESET;
9631 case pci_channel_io_perm_failure:
9632 set_bit(AF_EEH_BUSY, &ha->flags);
9633 set_bit(AF_PCI_CHANNEL_IO_PERM_FAILURE, &ha->flags);
9634 qla4xxx_abort_active_cmds(ha, DID_NO_CONNECT << 16);
9635 return PCI_ERS_RESULT_DISCONNECT;
9637 return PCI_ERS_RESULT_NEED_RESET;
9641 * qla4xxx_pci_mmio_enabled() gets called if
9642 * qla4xxx_pci_error_detected() returns PCI_ERS_RESULT_CAN_RECOVER
9643 * and read/write to the device still works.
9645 static pci_ers_result_t
9646 qla4xxx_pci_mmio_enabled(struct pci_dev *pdev)
9648 struct scsi_qla_host *ha = pci_get_drvdata(pdev);
9650 if (!is_aer_supported(ha))
9651 return PCI_ERS_RESULT_NONE;
9653 return PCI_ERS_RESULT_RECOVERED;
9656 static uint32_t qla4_8xxx_error_recovery(struct scsi_qla_host *ha)
9658 uint32_t rval = QLA_ERROR;
9660 struct pci_dev *other_pdev = NULL;
9662 ql4_printk(KERN_WARNING, ha, "scsi%ld: In %s\n", ha->host_no, __func__);
9664 set_bit(DPC_RESET_ACTIVE, &ha->dpc_flags);
9666 if (test_bit(AF_ONLINE, &ha->flags)) {
9667 clear_bit(AF_ONLINE, &ha->flags);
9668 clear_bit(AF_LINK_UP, &ha->flags);
9669 iscsi_host_for_each_session(ha->host, qla4xxx_fail_session);
9670 qla4xxx_process_aen(ha, FLUSH_DDB_CHANGED_AENS);
9673 fn = PCI_FUNC(ha->pdev->devfn);
9674 if (is_qla8022(ha)) {
9677 ql4_printk(KERN_INFO, ha, "scsi%ld: %s: Finding PCI device at func %x\n",
9678 ha->host_no, __func__, fn);
9679 /* Get the pci device given the domain, bus,
9680 * slot/function number */
9681 other_pdev = pci_get_domain_bus_and_slot(
9682 pci_domain_nr(ha->pdev->bus),
9683 ha->pdev->bus->number,
9684 PCI_DEVFN(PCI_SLOT(ha->pdev->devfn),
9690 if (atomic_read(&other_pdev->enable_cnt)) {
9691 ql4_printk(KERN_INFO, ha, "scsi%ld: %s: Found PCI func in enabled state%x\n",
9692 ha->host_no, __func__, fn);
9693 pci_dev_put(other_pdev);
9696 pci_dev_put(other_pdev);
9699 /* this case is meant for ISP83xx/ISP84xx only */
9700 if (qla4_83xx_can_perform_reset(ha)) {
9701 /* reset fn as iSCSI is going to perform the reset */
9706 /* The first function on the card, the reset owner will
9707 * start & initialize the firmware. The other functions
9708 * on the card will reset the firmware context
9711 ql4_printk(KERN_INFO, ha, "scsi%ld: %s: devfn being reset "
9712 "0x%x is the owner\n", ha->host_no, __func__,
9715 ha->isp_ops->idc_lock(ha);
9716 qla4_8xxx_wr_direct(ha, QLA8XXX_CRB_DEV_STATE,
9718 ha->isp_ops->idc_unlock(ha);
9720 rval = qla4_8xxx_update_idc_reg(ha);
9721 if (rval == QLA_ERROR) {
9722 ql4_printk(KERN_INFO, ha, "scsi%ld: %s: HW State: FAILED\n",
9723 ha->host_no, __func__);
9724 ha->isp_ops->idc_lock(ha);
9725 qla4_8xxx_wr_direct(ha, QLA8XXX_CRB_DEV_STATE,
9726 QLA8XXX_DEV_FAILED);
9727 ha->isp_ops->idc_unlock(ha);
9728 goto exit_error_recovery;
9731 clear_bit(AF_FW_RECOVERY, &ha->flags);
9732 rval = qla4xxx_initialize_adapter(ha, RESET_ADAPTER);
9734 if (rval != QLA_SUCCESS) {
9735 ql4_printk(KERN_INFO, ha, "scsi%ld: %s: HW State: "
9736 "FAILED\n", ha->host_no, __func__);
9737 qla4xxx_free_irqs(ha);
9738 ha->isp_ops->idc_lock(ha);
9739 qla4_8xxx_clear_drv_active(ha);
9740 qla4_8xxx_wr_direct(ha, QLA8XXX_CRB_DEV_STATE,
9741 QLA8XXX_DEV_FAILED);
9742 ha->isp_ops->idc_unlock(ha);
9744 ql4_printk(KERN_INFO, ha, "scsi%ld: %s: HW State: "
9745 "READY\n", ha->host_no, __func__);
9746 ha->isp_ops->idc_lock(ha);
9747 qla4_8xxx_wr_direct(ha, QLA8XXX_CRB_DEV_STATE,
9749 /* Clear driver state register */
9750 qla4_8xxx_wr_direct(ha, QLA8XXX_CRB_DRV_STATE, 0);
9751 qla4_8xxx_set_drv_active(ha);
9752 ha->isp_ops->idc_unlock(ha);
9753 ha->isp_ops->enable_intrs(ha);
9756 ql4_printk(KERN_INFO, ha, "scsi%ld: %s: devfn 0x%x is not "
9757 "the reset owner\n", ha->host_no, __func__,
9759 if ((qla4_8xxx_rd_direct(ha, QLA8XXX_CRB_DEV_STATE) ==
9760 QLA8XXX_DEV_READY)) {
9761 clear_bit(AF_FW_RECOVERY, &ha->flags);
9762 rval = qla4xxx_initialize_adapter(ha, RESET_ADAPTER);
9763 if (rval == QLA_SUCCESS)
9764 ha->isp_ops->enable_intrs(ha);
9766 qla4xxx_free_irqs(ha);
9768 ha->isp_ops->idc_lock(ha);
9769 qla4_8xxx_set_drv_active(ha);
9770 ha->isp_ops->idc_unlock(ha);
9773 exit_error_recovery:
9774 clear_bit(DPC_RESET_ACTIVE, &ha->dpc_flags);
9778 static pci_ers_result_t
9779 qla4xxx_pci_slot_reset(struct pci_dev *pdev)
9781 pci_ers_result_t ret = PCI_ERS_RESULT_DISCONNECT;
9782 struct scsi_qla_host *ha = pci_get_drvdata(pdev);
9785 ql4_printk(KERN_WARNING, ha, "scsi%ld: %s: slot_reset\n",
9786 ha->host_no, __func__);
9788 if (!is_aer_supported(ha))
9789 return PCI_ERS_RESULT_NONE;
9791 /* Restore the saved state of PCIe device -
9792 * BAR registers, PCI Config space, PCIX, MSI,
9795 pci_restore_state(pdev);
9797 /* pci_restore_state() clears the saved_state flag of the device
9798 * save restored state which resets saved_state flag
9800 pci_save_state(pdev);
9802 /* Initialize device or resume if in suspended state */
9803 rc = pci_enable_device(pdev);
9805 ql4_printk(KERN_WARNING, ha, "scsi%ld: %s: Can't re-enable "
9806 "device after reset\n", ha->host_no, __func__);
9807 goto exit_slot_reset;
9810 ha->isp_ops->disable_intrs(ha);
9812 if (is_qla80XX(ha)) {
9813 if (qla4_8xxx_error_recovery(ha) == QLA_SUCCESS) {
9814 ret = PCI_ERS_RESULT_RECOVERED;
9815 goto exit_slot_reset;
9817 goto exit_slot_reset;
9821 ql4_printk(KERN_WARNING, ha, "scsi%ld: %s: Return=%x\n"
9822 "device after reset\n", ha->host_no, __func__, ret);
9827 qla4xxx_pci_resume(struct pci_dev *pdev)
9829 struct scsi_qla_host *ha = pci_get_drvdata(pdev);
9832 ql4_printk(KERN_WARNING, ha, "scsi%ld: %s: pci_resume\n",
9833 ha->host_no, __func__);
9835 ret = qla4xxx_wait_for_hba_online(ha);
9836 if (ret != QLA_SUCCESS) {
9837 ql4_printk(KERN_ERR, ha, "scsi%ld: %s: the device failed to "
9838 "resume I/O from slot/link_reset\n", ha->host_no,
9842 pci_cleanup_aer_uncorrect_error_status(pdev);
9843 clear_bit(AF_EEH_BUSY, &ha->flags);
9846 static const struct pci_error_handlers qla4xxx_err_handler = {
9847 .error_detected = qla4xxx_pci_error_detected,
9848 .mmio_enabled = qla4xxx_pci_mmio_enabled,
9849 .slot_reset = qla4xxx_pci_slot_reset,
9850 .resume = qla4xxx_pci_resume,
9853 static struct pci_device_id qla4xxx_pci_tbl[] = {
9855 .vendor = PCI_VENDOR_ID_QLOGIC,
9856 .device = PCI_DEVICE_ID_QLOGIC_ISP4010,
9857 .subvendor = PCI_ANY_ID,
9858 .subdevice = PCI_ANY_ID,
9861 .vendor = PCI_VENDOR_ID_QLOGIC,
9862 .device = PCI_DEVICE_ID_QLOGIC_ISP4022,
9863 .subvendor = PCI_ANY_ID,
9864 .subdevice = PCI_ANY_ID,
9867 .vendor = PCI_VENDOR_ID_QLOGIC,
9868 .device = PCI_DEVICE_ID_QLOGIC_ISP4032,
9869 .subvendor = PCI_ANY_ID,
9870 .subdevice = PCI_ANY_ID,
9873 .vendor = PCI_VENDOR_ID_QLOGIC,
9874 .device = PCI_DEVICE_ID_QLOGIC_ISP8022,
9875 .subvendor = PCI_ANY_ID,
9876 .subdevice = PCI_ANY_ID,
9879 .vendor = PCI_VENDOR_ID_QLOGIC,
9880 .device = PCI_DEVICE_ID_QLOGIC_ISP8324,
9881 .subvendor = PCI_ANY_ID,
9882 .subdevice = PCI_ANY_ID,
9885 .vendor = PCI_VENDOR_ID_QLOGIC,
9886 .device = PCI_DEVICE_ID_QLOGIC_ISP8042,
9887 .subvendor = PCI_ANY_ID,
9888 .subdevice = PCI_ANY_ID,
9892 MODULE_DEVICE_TABLE(pci, qla4xxx_pci_tbl);
9894 static struct pci_driver qla4xxx_pci_driver = {
9895 .name = DRIVER_NAME,
9896 .id_table = qla4xxx_pci_tbl,
9897 .probe = qla4xxx_probe_adapter,
9898 .remove = qla4xxx_remove_adapter,
9899 .err_handler = &qla4xxx_err_handler,
9902 static int __init qla4xxx_module_init(void)
9906 if (ql4xqfulltracking)
9907 qla4xxx_driver_template.track_queue_depth = 1;
9909 /* Allocate cache for SRBs. */
9910 srb_cachep = kmem_cache_create("qla4xxx_srbs", sizeof(struct srb), 0,
9911 SLAB_HWCACHE_ALIGN, NULL);
9912 if (srb_cachep == NULL) {
9914 "%s: Unable to allocate SRB cache..."
9915 "Failing load!\n", DRIVER_NAME);
9920 /* Derive version string. */
9921 strcpy(qla4xxx_version_str, QLA4XXX_DRIVER_VERSION);
9922 if (ql4xextended_error_logging)
9923 strcat(qla4xxx_version_str, "-debug");
9925 qla4xxx_scsi_transport =
9926 iscsi_register_transport(&qla4xxx_iscsi_transport);
9927 if (!qla4xxx_scsi_transport){
9929 goto release_srb_cache;
9932 ret = pci_register_driver(&qla4xxx_pci_driver);
9934 goto unregister_transport;
9936 printk(KERN_INFO "QLogic iSCSI HBA Driver\n");
9939 unregister_transport:
9940 iscsi_unregister_transport(&qla4xxx_iscsi_transport);
9942 kmem_cache_destroy(srb_cachep);
9947 static void __exit qla4xxx_module_exit(void)
9949 pci_unregister_driver(&qla4xxx_pci_driver);
9950 iscsi_unregister_transport(&qla4xxx_iscsi_transport);
9951 kmem_cache_destroy(srb_cachep);
9954 module_init(qla4xxx_module_init);
9955 module_exit(qla4xxx_module_exit);
9957 MODULE_AUTHOR("QLogic Corporation");
9958 MODULE_DESCRIPTION("QLogic iSCSI HBA Driver");
9959 MODULE_LICENSE("GPL");
9960 MODULE_VERSION(QLA4XXX_DRIVER_VERSION);