2 * QLogic iSCSI HBA Driver
3 * Copyright (c) 2003-2012 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
= 0x1F;
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 0x1F.\n"
91 "\t\t Can be set to 0x3, 0x7, 0xF, 0x1F, 0x3F, 0x7F");
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
);
154 * SCSI host template entry points
156 static int qla4xxx_queuecommand(struct Scsi_Host
*h
, struct scsi_cmnd
*cmd
);
157 static int qla4xxx_eh_abort(struct scsi_cmnd
*cmd
);
158 static int qla4xxx_eh_device_reset(struct scsi_cmnd
*cmd
);
159 static int qla4xxx_eh_target_reset(struct scsi_cmnd
*cmd
);
160 static int qla4xxx_eh_host_reset(struct scsi_cmnd
*cmd
);
161 static int qla4xxx_slave_alloc(struct scsi_device
*device
);
162 static int qla4xxx_slave_configure(struct scsi_device
*device
);
163 static void qla4xxx_slave_destroy(struct scsi_device
*sdev
);
164 static umode_t
qla4_attr_is_visible(int param_type
, int param
);
165 static int qla4xxx_host_reset(struct Scsi_Host
*shost
, int reset_type
);
166 static int qla4xxx_change_queue_depth(struct scsi_device
*sdev
, int qdepth
,
169 static struct qla4_8xxx_legacy_intr_set legacy_intr
[] =
170 QLA82XX_LEGACY_INTR_CONFIG
;
172 static struct scsi_host_template qla4xxx_driver_template
= {
173 .module
= THIS_MODULE
,
175 .proc_name
= DRIVER_NAME
,
176 .queuecommand
= qla4xxx_queuecommand
,
178 .eh_abort_handler
= qla4xxx_eh_abort
,
179 .eh_device_reset_handler
= qla4xxx_eh_device_reset
,
180 .eh_target_reset_handler
= qla4xxx_eh_target_reset
,
181 .eh_host_reset_handler
= qla4xxx_eh_host_reset
,
182 .eh_timed_out
= qla4xxx_eh_cmd_timed_out
,
184 .slave_configure
= qla4xxx_slave_configure
,
185 .slave_alloc
= qla4xxx_slave_alloc
,
186 .slave_destroy
= qla4xxx_slave_destroy
,
187 .change_queue_depth
= qla4xxx_change_queue_depth
,
191 .use_clustering
= ENABLE_CLUSTERING
,
192 .sg_tablesize
= SG_ALL
,
194 .max_sectors
= 0xFFFF,
195 .shost_attrs
= qla4xxx_host_attrs
,
196 .host_reset
= qla4xxx_host_reset
,
197 .vendor_id
= SCSI_NL_VID_TYPE_PCI
| PCI_VENDOR_ID_QLOGIC
,
200 static struct iscsi_transport qla4xxx_iscsi_transport
= {
201 .owner
= THIS_MODULE
,
203 .caps
= CAP_TEXT_NEGO
|
204 CAP_DATA_PATH_OFFLOAD
| CAP_HDRDGST
|
205 CAP_DATADGST
| CAP_LOGIN_OFFLOAD
|
207 .attr_is_visible
= qla4_attr_is_visible
,
208 .create_session
= qla4xxx_session_create
,
209 .destroy_session
= qla4xxx_session_destroy
,
210 .start_conn
= qla4xxx_conn_start
,
211 .create_conn
= qla4xxx_conn_create
,
212 .bind_conn
= qla4xxx_conn_bind
,
213 .stop_conn
= iscsi_conn_stop
,
214 .destroy_conn
= qla4xxx_conn_destroy
,
215 .set_param
= iscsi_set_param
,
216 .get_conn_param
= qla4xxx_conn_get_param
,
217 .get_session_param
= qla4xxx_session_get_param
,
218 .get_ep_param
= qla4xxx_get_ep_param
,
219 .ep_connect
= qla4xxx_ep_connect
,
220 .ep_poll
= qla4xxx_ep_poll
,
221 .ep_disconnect
= qla4xxx_ep_disconnect
,
222 .get_stats
= qla4xxx_conn_get_stats
,
223 .send_pdu
= iscsi_conn_send_pdu
,
224 .xmit_task
= qla4xxx_task_xmit
,
225 .cleanup_task
= qla4xxx_task_cleanup
,
226 .alloc_pdu
= qla4xxx_alloc_pdu
,
228 .get_host_param
= qla4xxx_host_get_param
,
229 .set_iface_param
= qla4xxx_iface_set_param
,
230 .get_iface_param
= qla4xxx_get_iface_param
,
231 .bsg_request
= qla4xxx_bsg_request
,
232 .send_ping
= qla4xxx_send_ping
,
233 .get_chap
= qla4xxx_get_chap_list
,
234 .delete_chap
= qla4xxx_delete_chap
,
237 static struct scsi_transport_template
*qla4xxx_scsi_transport
;
239 static int qla4xxx_send_ping(struct Scsi_Host
*shost
, uint32_t iface_num
,
240 uint32_t iface_type
, uint32_t payload_size
,
241 uint32_t pid
, struct sockaddr
*dst_addr
)
243 struct scsi_qla_host
*ha
= to_qla_host(shost
);
244 struct sockaddr_in
*addr
;
245 struct sockaddr_in6
*addr6
;
246 uint32_t options
= 0;
247 uint8_t ipaddr
[IPv6_ADDR_LEN
];
250 memset(ipaddr
, 0, IPv6_ADDR_LEN
);
252 if ((iface_type
== ISCSI_IFACE_TYPE_IPV4
) &&
253 (dst_addr
->sa_family
== AF_INET
)) {
254 addr
= (struct sockaddr_in
*)dst_addr
;
255 memcpy(ipaddr
, &addr
->sin_addr
.s_addr
, IP_ADDR_LEN
);
256 DEBUG2(ql4_printk(KERN_INFO
, ha
, "%s: IPv4 Ping src: %pI4 "
257 "dest: %pI4\n", __func__
,
258 &ha
->ip_config
.ip_address
, ipaddr
));
259 rval
= qla4xxx_ping_iocb(ha
, options
, payload_size
, pid
,
263 } else if ((iface_type
== ISCSI_IFACE_TYPE_IPV6
) &&
264 (dst_addr
->sa_family
== AF_INET6
)) {
266 addr6
= (struct sockaddr_in6
*)dst_addr
;
267 memcpy(ipaddr
, &addr6
->sin6_addr
.in6_u
.u6_addr8
, IPv6_ADDR_LEN
);
269 options
|= PING_IPV6_PROTOCOL_ENABLE
;
271 /* Ping using LinkLocal address */
272 if ((iface_num
== 0) || (iface_num
== 1)) {
273 DEBUG2(ql4_printk(KERN_INFO
, ha
, "%s: LinkLocal Ping "
274 "src: %pI6 dest: %pI6\n", __func__
,
275 &ha
->ip_config
.ipv6_link_local_addr
,
277 options
|= PING_IPV6_LINKLOCAL_ADDR
;
278 rval
= qla4xxx_ping_iocb(ha
, options
, payload_size
,
281 ql4_printk(KERN_WARNING
, ha
, "%s: iface num = %d "
282 "not supported\n", __func__
, iface_num
);
288 * If ping using LinkLocal address fails, try ping using
291 if (rval
!= QLA_SUCCESS
) {
292 options
&= ~PING_IPV6_LINKLOCAL_ADDR
;
293 if (iface_num
== 0) {
294 options
|= PING_IPV6_ADDR0
;
295 DEBUG2(ql4_printk(KERN_INFO
, ha
, "%s: IPv6 "
297 "dest: %pI6\n", __func__
,
298 &ha
->ip_config
.ipv6_addr0
,
300 } else if (iface_num
== 1) {
301 options
|= PING_IPV6_ADDR1
;
302 DEBUG2(ql4_printk(KERN_INFO
, ha
, "%s: IPv6 "
304 "dest: %pI6\n", __func__
,
305 &ha
->ip_config
.ipv6_addr1
,
308 rval
= qla4xxx_ping_iocb(ha
, options
, payload_size
,
319 static umode_t
qla4_attr_is_visible(int param_type
, int param
)
321 switch (param_type
) {
322 case ISCSI_HOST_PARAM
:
324 case ISCSI_HOST_PARAM_HWADDRESS
:
325 case ISCSI_HOST_PARAM_IPADDRESS
:
326 case ISCSI_HOST_PARAM_INITIATOR_NAME
:
327 case ISCSI_HOST_PARAM_PORT_STATE
:
328 case ISCSI_HOST_PARAM_PORT_SPEED
:
335 case ISCSI_PARAM_PERSISTENT_ADDRESS
:
336 case ISCSI_PARAM_PERSISTENT_PORT
:
337 case ISCSI_PARAM_CONN_ADDRESS
:
338 case ISCSI_PARAM_CONN_PORT
:
339 case ISCSI_PARAM_TARGET_NAME
:
340 case ISCSI_PARAM_TPGT
:
341 case ISCSI_PARAM_TARGET_ALIAS
:
342 case ISCSI_PARAM_MAX_BURST
:
343 case ISCSI_PARAM_MAX_R2T
:
344 case ISCSI_PARAM_FIRST_BURST
:
345 case ISCSI_PARAM_MAX_RECV_DLENGTH
:
346 case ISCSI_PARAM_MAX_XMIT_DLENGTH
:
347 case ISCSI_PARAM_IFACE_NAME
:
348 case ISCSI_PARAM_CHAP_OUT_IDX
:
349 case ISCSI_PARAM_CHAP_IN_IDX
:
350 case ISCSI_PARAM_USERNAME
:
351 case ISCSI_PARAM_PASSWORD
:
352 case ISCSI_PARAM_USERNAME_IN
:
353 case ISCSI_PARAM_PASSWORD_IN
:
358 case ISCSI_NET_PARAM
:
360 case ISCSI_NET_PARAM_IPV4_ADDR
:
361 case ISCSI_NET_PARAM_IPV4_SUBNET
:
362 case ISCSI_NET_PARAM_IPV4_GW
:
363 case ISCSI_NET_PARAM_IPV4_BOOTPROTO
:
364 case ISCSI_NET_PARAM_IFACE_ENABLE
:
365 case ISCSI_NET_PARAM_IPV6_LINKLOCAL
:
366 case ISCSI_NET_PARAM_IPV6_ADDR
:
367 case ISCSI_NET_PARAM_IPV6_ROUTER
:
368 case ISCSI_NET_PARAM_IPV6_ADDR_AUTOCFG
:
369 case ISCSI_NET_PARAM_IPV6_LINKLOCAL_AUTOCFG
:
370 case ISCSI_NET_PARAM_VLAN_ID
:
371 case ISCSI_NET_PARAM_VLAN_PRIORITY
:
372 case ISCSI_NET_PARAM_VLAN_ENABLED
:
373 case ISCSI_NET_PARAM_MTU
:
374 case ISCSI_NET_PARAM_PORT
:
384 static int qla4xxx_get_chap_list(struct Scsi_Host
*shost
, uint16_t chap_tbl_idx
,
385 uint32_t *num_entries
, char *buf
)
387 struct scsi_qla_host
*ha
= to_qla_host(shost
);
388 struct ql4_chap_table
*chap_table
;
389 struct iscsi_chap_rec
*chap_rec
;
390 int max_chap_entries
= 0;
391 int valid_chap_entries
= 0;
395 max_chap_entries
= (ha
->hw
.flt_chap_size
/ 2) /
396 sizeof(struct ql4_chap_table
);
398 max_chap_entries
= MAX_CHAP_ENTRIES_40XX
;
400 ql4_printk(KERN_INFO
, ha
, "%s: num_entries = %d, CHAP idx = %d\n",
401 __func__
, *num_entries
, chap_tbl_idx
);
405 goto exit_get_chap_list
;
408 chap_rec
= (struct iscsi_chap_rec
*) buf
;
409 mutex_lock(&ha
->chap_sem
);
410 for (i
= chap_tbl_idx
; i
< max_chap_entries
; i
++) {
411 chap_table
= (struct ql4_chap_table
*)ha
->chap_list
+ i
;
412 if (chap_table
->cookie
!=
413 __constant_cpu_to_le16(CHAP_VALID_COOKIE
))
416 chap_rec
->chap_tbl_idx
= i
;
417 strncpy(chap_rec
->username
, chap_table
->name
,
418 ISCSI_CHAP_AUTH_NAME_MAX_LEN
);
419 strncpy(chap_rec
->password
, chap_table
->secret
,
420 QL4_CHAP_MAX_SECRET_LEN
);
421 chap_rec
->password_length
= chap_table
->secret_len
;
423 if (chap_table
->flags
& BIT_7
) /* local */
424 chap_rec
->chap_type
= CHAP_TYPE_OUT
;
426 if (chap_table
->flags
& BIT_6
) /* peer */
427 chap_rec
->chap_type
= CHAP_TYPE_IN
;
431 valid_chap_entries
++;
432 if (valid_chap_entries
== *num_entries
)
437 mutex_unlock(&ha
->chap_sem
);
440 ql4_printk(KERN_INFO
, ha
, "%s: Valid CHAP Entries = %d\n",
441 __func__
, valid_chap_entries
);
442 *num_entries
= valid_chap_entries
;
446 static int __qla4xxx_is_chap_active(struct device
*dev
, void *data
)
449 uint16_t *chap_tbl_idx
= (uint16_t *) data
;
450 struct iscsi_cls_session
*cls_session
;
451 struct iscsi_session
*sess
;
452 struct ddb_entry
*ddb_entry
;
454 if (!iscsi_is_session_dev(dev
))
455 goto exit_is_chap_active
;
457 cls_session
= iscsi_dev_to_session(dev
);
458 sess
= cls_session
->dd_data
;
459 ddb_entry
= sess
->dd_data
;
461 if (iscsi_session_chkready(cls_session
))
462 goto exit_is_chap_active
;
464 if (ddb_entry
->chap_tbl_idx
== *chap_tbl_idx
)
471 static int qla4xxx_is_chap_active(struct Scsi_Host
*shost
,
472 uint16_t chap_tbl_idx
)
476 ret
= device_for_each_child(&shost
->shost_gendev
, &chap_tbl_idx
,
477 __qla4xxx_is_chap_active
);
482 static int qla4xxx_delete_chap(struct Scsi_Host
*shost
, uint16_t chap_tbl_idx
)
484 struct scsi_qla_host
*ha
= to_qla_host(shost
);
485 struct ql4_chap_table
*chap_table
;
487 int max_chap_entries
= 0;
492 chap_table
= dma_pool_alloc(ha
->chap_dma_pool
, GFP_KERNEL
, &chap_dma
);
493 if (chap_table
== NULL
)
496 memset(chap_table
, 0, sizeof(struct ql4_chap_table
));
499 max_chap_entries
= (ha
->hw
.flt_chap_size
/ 2) /
500 sizeof(struct ql4_chap_table
);
502 max_chap_entries
= MAX_CHAP_ENTRIES_40XX
;
504 if (chap_tbl_idx
> max_chap_entries
) {
506 goto exit_delete_chap
;
509 /* Check if chap index is in use.
510 * If chap is in use don't delet chap entry */
511 ret
= qla4xxx_is_chap_active(shost
, chap_tbl_idx
);
513 ql4_printk(KERN_INFO
, ha
, "CHAP entry %d is in use, cannot "
514 "delete from flash\n", chap_tbl_idx
);
516 goto exit_delete_chap
;
519 chap_size
= sizeof(struct ql4_chap_table
);
521 offset
= FLASH_CHAP_OFFSET
| (chap_tbl_idx
* chap_size
);
523 offset
= FLASH_RAW_ACCESS_ADDR
+ (ha
->hw
.flt_region_chap
<< 2);
524 /* flt_chap_size is CHAP table size for both ports
525 * so divide it by 2 to calculate the offset for second port
527 if (ha
->port_num
== 1)
528 offset
+= (ha
->hw
.flt_chap_size
/ 2);
529 offset
+= (chap_tbl_idx
* chap_size
);
532 ret
= qla4xxx_get_flash(ha
, chap_dma
, offset
, chap_size
);
533 if (ret
!= QLA_SUCCESS
) {
535 goto exit_delete_chap
;
538 DEBUG2(ql4_printk(KERN_INFO
, ha
, "Chap Cookie: x%x\n",
539 __le16_to_cpu(chap_table
->cookie
)));
541 if (__le16_to_cpu(chap_table
->cookie
) != CHAP_VALID_COOKIE
) {
542 ql4_printk(KERN_ERR
, ha
, "No valid chap entry found\n");
543 goto exit_delete_chap
;
546 chap_table
->cookie
= __constant_cpu_to_le16(0xFFFF);
548 offset
= FLASH_CHAP_OFFSET
|
549 (chap_tbl_idx
* sizeof(struct ql4_chap_table
));
550 ret
= qla4xxx_set_flash(ha
, chap_dma
, offset
, chap_size
,
551 FLASH_OPT_RMW_COMMIT
);
552 if (ret
== QLA_SUCCESS
&& ha
->chap_list
) {
553 mutex_lock(&ha
->chap_sem
);
554 /* Update ha chap_list cache */
555 memcpy((struct ql4_chap_table
*)ha
->chap_list
+ chap_tbl_idx
,
556 chap_table
, sizeof(struct ql4_chap_table
));
557 mutex_unlock(&ha
->chap_sem
);
559 if (ret
!= QLA_SUCCESS
)
563 dma_pool_free(ha
->chap_dma_pool
, chap_table
, chap_dma
);
567 static int qla4xxx_get_iface_param(struct iscsi_iface
*iface
,
568 enum iscsi_param_type param_type
,
569 int param
, char *buf
)
571 struct Scsi_Host
*shost
= iscsi_iface_to_shost(iface
);
572 struct scsi_qla_host
*ha
= to_qla_host(shost
);
575 if (param_type
!= ISCSI_NET_PARAM
)
579 case ISCSI_NET_PARAM_IPV4_ADDR
:
580 len
= sprintf(buf
, "%pI4\n", &ha
->ip_config
.ip_address
);
582 case ISCSI_NET_PARAM_IPV4_SUBNET
:
583 len
= sprintf(buf
, "%pI4\n", &ha
->ip_config
.subnet_mask
);
585 case ISCSI_NET_PARAM_IPV4_GW
:
586 len
= sprintf(buf
, "%pI4\n", &ha
->ip_config
.gateway
);
588 case ISCSI_NET_PARAM_IFACE_ENABLE
:
589 if (iface
->iface_type
== ISCSI_IFACE_TYPE_IPV4
)
590 len
= sprintf(buf
, "%s\n",
591 (ha
->ip_config
.ipv4_options
&
592 IPOPT_IPV4_PROTOCOL_ENABLE
) ?
593 "enabled" : "disabled");
594 else if (iface
->iface_type
== ISCSI_IFACE_TYPE_IPV6
)
595 len
= sprintf(buf
, "%s\n",
596 (ha
->ip_config
.ipv6_options
&
597 IPV6_OPT_IPV6_PROTOCOL_ENABLE
) ?
598 "enabled" : "disabled");
600 case ISCSI_NET_PARAM_IPV4_BOOTPROTO
:
601 len
= sprintf(buf
, "%s\n",
602 (ha
->ip_config
.tcp_options
& TCPOPT_DHCP_ENABLE
) ?
605 case ISCSI_NET_PARAM_IPV6_ADDR
:
606 if (iface
->iface_num
== 0)
607 len
= sprintf(buf
, "%pI6\n", &ha
->ip_config
.ipv6_addr0
);
608 if (iface
->iface_num
== 1)
609 len
= sprintf(buf
, "%pI6\n", &ha
->ip_config
.ipv6_addr1
);
611 case ISCSI_NET_PARAM_IPV6_LINKLOCAL
:
612 len
= sprintf(buf
, "%pI6\n",
613 &ha
->ip_config
.ipv6_link_local_addr
);
615 case ISCSI_NET_PARAM_IPV6_ROUTER
:
616 len
= sprintf(buf
, "%pI6\n",
617 &ha
->ip_config
.ipv6_default_router_addr
);
619 case ISCSI_NET_PARAM_IPV6_ADDR_AUTOCFG
:
620 len
= sprintf(buf
, "%s\n",
621 (ha
->ip_config
.ipv6_addl_options
&
622 IPV6_ADDOPT_NEIGHBOR_DISCOVERY_ADDR_ENABLE
) ?
625 case ISCSI_NET_PARAM_IPV6_LINKLOCAL_AUTOCFG
:
626 len
= sprintf(buf
, "%s\n",
627 (ha
->ip_config
.ipv6_addl_options
&
628 IPV6_ADDOPT_AUTOCONFIG_LINK_LOCAL_ADDR
) ?
631 case ISCSI_NET_PARAM_VLAN_ID
:
632 if (iface
->iface_type
== ISCSI_IFACE_TYPE_IPV4
)
633 len
= sprintf(buf
, "%d\n",
634 (ha
->ip_config
.ipv4_vlan_tag
&
636 else if (iface
->iface_type
== ISCSI_IFACE_TYPE_IPV6
)
637 len
= sprintf(buf
, "%d\n",
638 (ha
->ip_config
.ipv6_vlan_tag
&
641 case ISCSI_NET_PARAM_VLAN_PRIORITY
:
642 if (iface
->iface_type
== ISCSI_IFACE_TYPE_IPV4
)
643 len
= sprintf(buf
, "%d\n",
644 ((ha
->ip_config
.ipv4_vlan_tag
>> 13) &
645 ISCSI_MAX_VLAN_PRIORITY
));
646 else if (iface
->iface_type
== ISCSI_IFACE_TYPE_IPV6
)
647 len
= sprintf(buf
, "%d\n",
648 ((ha
->ip_config
.ipv6_vlan_tag
>> 13) &
649 ISCSI_MAX_VLAN_PRIORITY
));
651 case ISCSI_NET_PARAM_VLAN_ENABLED
:
652 if (iface
->iface_type
== ISCSI_IFACE_TYPE_IPV4
)
653 len
= sprintf(buf
, "%s\n",
654 (ha
->ip_config
.ipv4_options
&
655 IPOPT_VLAN_TAGGING_ENABLE
) ?
656 "enabled" : "disabled");
657 else if (iface
->iface_type
== ISCSI_IFACE_TYPE_IPV6
)
658 len
= sprintf(buf
, "%s\n",
659 (ha
->ip_config
.ipv6_options
&
660 IPV6_OPT_VLAN_TAGGING_ENABLE
) ?
661 "enabled" : "disabled");
663 case ISCSI_NET_PARAM_MTU
:
664 len
= sprintf(buf
, "%d\n", ha
->ip_config
.eth_mtu_size
);
666 case ISCSI_NET_PARAM_PORT
:
667 if (iface
->iface_type
== ISCSI_IFACE_TYPE_IPV4
)
668 len
= sprintf(buf
, "%d\n", ha
->ip_config
.ipv4_port
);
669 else if (iface
->iface_type
== ISCSI_IFACE_TYPE_IPV6
)
670 len
= sprintf(buf
, "%d\n", ha
->ip_config
.ipv6_port
);
679 static struct iscsi_endpoint
*
680 qla4xxx_ep_connect(struct Scsi_Host
*shost
, struct sockaddr
*dst_addr
,
684 struct iscsi_endpoint
*ep
;
685 struct qla_endpoint
*qla_ep
;
686 struct scsi_qla_host
*ha
;
687 struct sockaddr_in
*addr
;
688 struct sockaddr_in6
*addr6
;
690 DEBUG2(printk(KERN_INFO
"Func: %s\n", __func__
));
693 printk(KERN_ERR
"%s: shost is NULL\n",
698 ha
= iscsi_host_priv(shost
);
700 ep
= iscsi_create_endpoint(sizeof(struct qla_endpoint
));
706 qla_ep
= ep
->dd_data
;
707 memset(qla_ep
, 0, sizeof(struct qla_endpoint
));
708 if (dst_addr
->sa_family
== AF_INET
) {
709 memcpy(&qla_ep
->dst_addr
, dst_addr
, sizeof(struct sockaddr_in
));
710 addr
= (struct sockaddr_in
*)&qla_ep
->dst_addr
;
711 DEBUG2(ql4_printk(KERN_INFO
, ha
, "%s: %pI4\n", __func__
,
712 (char *)&addr
->sin_addr
));
713 } else if (dst_addr
->sa_family
== AF_INET6
) {
714 memcpy(&qla_ep
->dst_addr
, dst_addr
,
715 sizeof(struct sockaddr_in6
));
716 addr6
= (struct sockaddr_in6
*)&qla_ep
->dst_addr
;
717 DEBUG2(ql4_printk(KERN_INFO
, ha
, "%s: %pI6\n", __func__
,
718 (char *)&addr6
->sin6_addr
));
721 qla_ep
->host
= shost
;
726 static int qla4xxx_ep_poll(struct iscsi_endpoint
*ep
, int timeout_ms
)
728 struct qla_endpoint
*qla_ep
;
729 struct scsi_qla_host
*ha
;
732 DEBUG2(printk(KERN_INFO
"Func: %s\n", __func__
));
733 qla_ep
= ep
->dd_data
;
734 ha
= to_qla_host(qla_ep
->host
);
736 if (adapter_up(ha
) && !test_bit(AF_BUILD_DDB_LIST
, &ha
->flags
))
742 static void qla4xxx_ep_disconnect(struct iscsi_endpoint
*ep
)
744 DEBUG2(printk(KERN_INFO
"Func: %s\n", __func__
));
745 iscsi_destroy_endpoint(ep
);
748 static int qla4xxx_get_ep_param(struct iscsi_endpoint
*ep
,
749 enum iscsi_param param
,
752 struct qla_endpoint
*qla_ep
= ep
->dd_data
;
753 struct sockaddr
*dst_addr
;
755 DEBUG2(printk(KERN_INFO
"Func: %s\n", __func__
));
758 case ISCSI_PARAM_CONN_PORT
:
759 case ISCSI_PARAM_CONN_ADDRESS
:
763 dst_addr
= (struct sockaddr
*)&qla_ep
->dst_addr
;
767 return iscsi_conn_get_addr_param((struct sockaddr_storage
*)
768 &qla_ep
->dst_addr
, param
, buf
);
774 static void qla4xxx_conn_get_stats(struct iscsi_cls_conn
*cls_conn
,
775 struct iscsi_stats
*stats
)
777 struct iscsi_session
*sess
;
778 struct iscsi_cls_session
*cls_sess
;
779 struct ddb_entry
*ddb_entry
;
780 struct scsi_qla_host
*ha
;
781 struct ql_iscsi_stats
*ql_iscsi_stats
;
784 dma_addr_t iscsi_stats_dma
;
786 DEBUG2(printk(KERN_INFO
"Func: %s\n", __func__
));
788 cls_sess
= iscsi_conn_to_session(cls_conn
);
789 sess
= cls_sess
->dd_data
;
790 ddb_entry
= sess
->dd_data
;
793 stats_size
= PAGE_ALIGN(sizeof(struct ql_iscsi_stats
));
794 /* Allocate memory */
795 ql_iscsi_stats
= dma_alloc_coherent(&ha
->pdev
->dev
, stats_size
,
796 &iscsi_stats_dma
, GFP_KERNEL
);
797 if (!ql_iscsi_stats
) {
798 ql4_printk(KERN_ERR
, ha
,
799 "Unable to allocate memory for iscsi stats\n");
803 ret
= qla4xxx_get_mgmt_data(ha
, ddb_entry
->fw_ddb_index
, stats_size
,
805 if (ret
!= QLA_SUCCESS
) {
806 ql4_printk(KERN_ERR
, ha
,
807 "Unable to retrieve iscsi stats\n");
812 stats
->txdata_octets
= le64_to_cpu(ql_iscsi_stats
->tx_data_octets
);
813 stats
->rxdata_octets
= le64_to_cpu(ql_iscsi_stats
->rx_data_octets
);
815 stats
->noptx_pdus
= le32_to_cpu(ql_iscsi_stats
->tx_nopout_pdus
);
816 stats
->scsicmd_pdus
= le32_to_cpu(ql_iscsi_stats
->tx_scsi_cmd_pdus
);
817 stats
->tmfcmd_pdus
= le32_to_cpu(ql_iscsi_stats
->tx_tmf_cmd_pdus
);
818 stats
->login_pdus
= le32_to_cpu(ql_iscsi_stats
->tx_login_cmd_pdus
);
819 stats
->text_pdus
= le32_to_cpu(ql_iscsi_stats
->tx_text_cmd_pdus
);
820 stats
->dataout_pdus
= le32_to_cpu(ql_iscsi_stats
->tx_scsi_write_pdus
);
821 stats
->logout_pdus
= le32_to_cpu(ql_iscsi_stats
->tx_logout_cmd_pdus
);
822 stats
->snack_pdus
= le32_to_cpu(ql_iscsi_stats
->tx_snack_req_pdus
);
824 stats
->noprx_pdus
= le32_to_cpu(ql_iscsi_stats
->rx_nopin_pdus
);
825 stats
->scsirsp_pdus
= le32_to_cpu(ql_iscsi_stats
->rx_scsi_resp_pdus
);
826 stats
->tmfrsp_pdus
= le32_to_cpu(ql_iscsi_stats
->rx_tmf_resp_pdus
);
827 stats
->textrsp_pdus
= le32_to_cpu(ql_iscsi_stats
->rx_text_resp_pdus
);
828 stats
->datain_pdus
= le32_to_cpu(ql_iscsi_stats
->rx_scsi_read_pdus
);
829 stats
->logoutrsp_pdus
=
830 le32_to_cpu(ql_iscsi_stats
->rx_logout_resp_pdus
);
831 stats
->r2t_pdus
= le32_to_cpu(ql_iscsi_stats
->rx_r2t_pdus
);
832 stats
->async_pdus
= le32_to_cpu(ql_iscsi_stats
->rx_async_pdus
);
833 stats
->rjt_pdus
= le32_to_cpu(ql_iscsi_stats
->rx_reject_pdus
);
836 dma_free_coherent(&ha
->pdev
->dev
, stats_size
, ql_iscsi_stats
,
842 static enum blk_eh_timer_return
qla4xxx_eh_cmd_timed_out(struct scsi_cmnd
*sc
)
844 struct iscsi_cls_session
*session
;
845 struct iscsi_session
*sess
;
847 enum blk_eh_timer_return ret
= BLK_EH_NOT_HANDLED
;
849 session
= starget_to_session(scsi_target(sc
->device
));
850 sess
= session
->dd_data
;
852 spin_lock_irqsave(&session
->lock
, flags
);
853 if (session
->state
== ISCSI_SESSION_FAILED
)
854 ret
= BLK_EH_RESET_TIMER
;
855 spin_unlock_irqrestore(&session
->lock
, flags
);
860 static void qla4xxx_set_port_speed(struct Scsi_Host
*shost
)
862 struct scsi_qla_host
*ha
= to_qla_host(shost
);
863 struct iscsi_cls_host
*ihost
= shost
->shost_data
;
864 uint32_t speed
= ISCSI_PORT_SPEED_UNKNOWN
;
866 qla4xxx_get_firmware_state(ha
);
868 switch (ha
->addl_fw_state
& 0x0F00) {
869 case FW_ADDSTATE_LINK_SPEED_10MBPS
:
870 speed
= ISCSI_PORT_SPEED_10MBPS
;
872 case FW_ADDSTATE_LINK_SPEED_100MBPS
:
873 speed
= ISCSI_PORT_SPEED_100MBPS
;
875 case FW_ADDSTATE_LINK_SPEED_1GBPS
:
876 speed
= ISCSI_PORT_SPEED_1GBPS
;
878 case FW_ADDSTATE_LINK_SPEED_10GBPS
:
879 speed
= ISCSI_PORT_SPEED_10GBPS
;
882 ihost
->port_speed
= speed
;
885 static void qla4xxx_set_port_state(struct Scsi_Host
*shost
)
887 struct scsi_qla_host
*ha
= to_qla_host(shost
);
888 struct iscsi_cls_host
*ihost
= shost
->shost_data
;
889 uint32_t state
= ISCSI_PORT_STATE_DOWN
;
891 if (test_bit(AF_LINK_UP
, &ha
->flags
))
892 state
= ISCSI_PORT_STATE_UP
;
894 ihost
->port_state
= state
;
897 static int qla4xxx_host_get_param(struct Scsi_Host
*shost
,
898 enum iscsi_host_param param
, char *buf
)
900 struct scsi_qla_host
*ha
= to_qla_host(shost
);
904 case ISCSI_HOST_PARAM_HWADDRESS
:
905 len
= sysfs_format_mac(buf
, ha
->my_mac
, MAC_ADDR_LEN
);
907 case ISCSI_HOST_PARAM_IPADDRESS
:
908 len
= sprintf(buf
, "%pI4\n", &ha
->ip_config
.ip_address
);
910 case ISCSI_HOST_PARAM_INITIATOR_NAME
:
911 len
= sprintf(buf
, "%s\n", ha
->name_string
);
913 case ISCSI_HOST_PARAM_PORT_STATE
:
914 qla4xxx_set_port_state(shost
);
915 len
= sprintf(buf
, "%s\n", iscsi_get_port_state_name(shost
));
917 case ISCSI_HOST_PARAM_PORT_SPEED
:
918 qla4xxx_set_port_speed(shost
);
919 len
= sprintf(buf
, "%s\n", iscsi_get_port_speed_name(shost
));
928 static void qla4xxx_create_ipv4_iface(struct scsi_qla_host
*ha
)
934 ha
->iface_ipv4
= iscsi_create_iface(ha
->host
,
935 &qla4xxx_iscsi_transport
,
936 ISCSI_IFACE_TYPE_IPV4
, 0, 0);
938 ql4_printk(KERN_ERR
, ha
, "Could not create IPv4 iSCSI "
942 static void qla4xxx_create_ipv6_iface(struct scsi_qla_host
*ha
)
944 if (!ha
->iface_ipv6_0
)
946 ha
->iface_ipv6_0
= iscsi_create_iface(ha
->host
,
947 &qla4xxx_iscsi_transport
,
948 ISCSI_IFACE_TYPE_IPV6
, 0,
950 if (!ha
->iface_ipv6_0
)
951 ql4_printk(KERN_ERR
, ha
, "Could not create IPv6 iSCSI "
954 if (!ha
->iface_ipv6_1
)
956 ha
->iface_ipv6_1
= iscsi_create_iface(ha
->host
,
957 &qla4xxx_iscsi_transport
,
958 ISCSI_IFACE_TYPE_IPV6
, 1,
960 if (!ha
->iface_ipv6_1
)
961 ql4_printk(KERN_ERR
, ha
, "Could not create IPv6 iSCSI "
965 static void qla4xxx_create_ifaces(struct scsi_qla_host
*ha
)
967 if (ha
->ip_config
.ipv4_options
& IPOPT_IPV4_PROTOCOL_ENABLE
)
968 qla4xxx_create_ipv4_iface(ha
);
970 if (ha
->ip_config
.ipv6_options
& IPV6_OPT_IPV6_PROTOCOL_ENABLE
)
971 qla4xxx_create_ipv6_iface(ha
);
974 static void qla4xxx_destroy_ipv4_iface(struct scsi_qla_host
*ha
)
976 if (ha
->iface_ipv4
) {
977 iscsi_destroy_iface(ha
->iface_ipv4
);
978 ha
->iface_ipv4
= NULL
;
982 static void qla4xxx_destroy_ipv6_iface(struct scsi_qla_host
*ha
)
984 if (ha
->iface_ipv6_0
) {
985 iscsi_destroy_iface(ha
->iface_ipv6_0
);
986 ha
->iface_ipv6_0
= NULL
;
988 if (ha
->iface_ipv6_1
) {
989 iscsi_destroy_iface(ha
->iface_ipv6_1
);
990 ha
->iface_ipv6_1
= NULL
;
994 static void qla4xxx_destroy_ifaces(struct scsi_qla_host
*ha
)
996 qla4xxx_destroy_ipv4_iface(ha
);
997 qla4xxx_destroy_ipv6_iface(ha
);
1000 static void qla4xxx_set_ipv6(struct scsi_qla_host
*ha
,
1001 struct iscsi_iface_param_info
*iface_param
,
1002 struct addr_ctrl_blk
*init_fw_cb
)
1005 * iface_num 0 is valid for IPv6 Addr, linklocal, router, autocfg.
1006 * iface_num 1 is valid only for IPv6 Addr.
1008 switch (iface_param
->param
) {
1009 case ISCSI_NET_PARAM_IPV6_ADDR
:
1010 if (iface_param
->iface_num
& 0x1)
1012 memcpy(init_fw_cb
->ipv6_addr1
, iface_param
->value
,
1013 sizeof(init_fw_cb
->ipv6_addr1
));
1016 memcpy(init_fw_cb
->ipv6_addr0
, iface_param
->value
,
1017 sizeof(init_fw_cb
->ipv6_addr0
));
1019 case ISCSI_NET_PARAM_IPV6_LINKLOCAL
:
1020 if (iface_param
->iface_num
& 0x1)
1022 memcpy(init_fw_cb
->ipv6_if_id
, &iface_param
->value
[8],
1023 sizeof(init_fw_cb
->ipv6_if_id
));
1025 case ISCSI_NET_PARAM_IPV6_ROUTER
:
1026 if (iface_param
->iface_num
& 0x1)
1028 memcpy(init_fw_cb
->ipv6_dflt_rtr_addr
, iface_param
->value
,
1029 sizeof(init_fw_cb
->ipv6_dflt_rtr_addr
));
1031 case ISCSI_NET_PARAM_IPV6_ADDR_AUTOCFG
:
1032 /* Autocfg applies to even interface */
1033 if (iface_param
->iface_num
& 0x1)
1036 if (iface_param
->value
[0] == ISCSI_IPV6_AUTOCFG_DISABLE
)
1037 init_fw_cb
->ipv6_addtl_opts
&=
1039 ~IPV6_ADDOPT_NEIGHBOR_DISCOVERY_ADDR_ENABLE
);
1040 else if (iface_param
->value
[0] == ISCSI_IPV6_AUTOCFG_ND_ENABLE
)
1041 init_fw_cb
->ipv6_addtl_opts
|=
1043 IPV6_ADDOPT_NEIGHBOR_DISCOVERY_ADDR_ENABLE
);
1045 ql4_printk(KERN_ERR
, ha
, "Invalid autocfg setting for "
1048 case ISCSI_NET_PARAM_IPV6_LINKLOCAL_AUTOCFG
:
1049 /* Autocfg applies to even interface */
1050 if (iface_param
->iface_num
& 0x1)
1053 if (iface_param
->value
[0] ==
1054 ISCSI_IPV6_LINKLOCAL_AUTOCFG_ENABLE
)
1055 init_fw_cb
->ipv6_addtl_opts
|= cpu_to_le16(
1056 IPV6_ADDOPT_AUTOCONFIG_LINK_LOCAL_ADDR
);
1057 else if (iface_param
->value
[0] ==
1058 ISCSI_IPV6_LINKLOCAL_AUTOCFG_DISABLE
)
1059 init_fw_cb
->ipv6_addtl_opts
&= cpu_to_le16(
1060 ~IPV6_ADDOPT_AUTOCONFIG_LINK_LOCAL_ADDR
);
1062 ql4_printk(KERN_ERR
, ha
, "Invalid autocfg setting for "
1063 "IPv6 linklocal addr\n");
1065 case ISCSI_NET_PARAM_IPV6_ROUTER_AUTOCFG
:
1066 /* Autocfg applies to even interface */
1067 if (iface_param
->iface_num
& 0x1)
1070 if (iface_param
->value
[0] == ISCSI_IPV6_ROUTER_AUTOCFG_ENABLE
)
1071 memset(init_fw_cb
->ipv6_dflt_rtr_addr
, 0,
1072 sizeof(init_fw_cb
->ipv6_dflt_rtr_addr
));
1074 case ISCSI_NET_PARAM_IFACE_ENABLE
:
1075 if (iface_param
->value
[0] == ISCSI_IFACE_ENABLE
) {
1076 init_fw_cb
->ipv6_opts
|=
1077 cpu_to_le16(IPV6_OPT_IPV6_PROTOCOL_ENABLE
);
1078 qla4xxx_create_ipv6_iface(ha
);
1080 init_fw_cb
->ipv6_opts
&=
1081 cpu_to_le16(~IPV6_OPT_IPV6_PROTOCOL_ENABLE
&
1083 qla4xxx_destroy_ipv6_iface(ha
);
1086 case ISCSI_NET_PARAM_VLAN_TAG
:
1087 if (iface_param
->len
!= sizeof(init_fw_cb
->ipv6_vlan_tag
))
1089 init_fw_cb
->ipv6_vlan_tag
=
1090 cpu_to_be16(*(uint16_t *)iface_param
->value
);
1092 case ISCSI_NET_PARAM_VLAN_ENABLED
:
1093 if (iface_param
->value
[0] == ISCSI_VLAN_ENABLE
)
1094 init_fw_cb
->ipv6_opts
|=
1095 cpu_to_le16(IPV6_OPT_VLAN_TAGGING_ENABLE
);
1097 init_fw_cb
->ipv6_opts
&=
1098 cpu_to_le16(~IPV6_OPT_VLAN_TAGGING_ENABLE
);
1100 case ISCSI_NET_PARAM_MTU
:
1101 init_fw_cb
->eth_mtu_size
=
1102 cpu_to_le16(*(uint16_t *)iface_param
->value
);
1104 case ISCSI_NET_PARAM_PORT
:
1105 /* Autocfg applies to even interface */
1106 if (iface_param
->iface_num
& 0x1)
1109 init_fw_cb
->ipv6_port
=
1110 cpu_to_le16(*(uint16_t *)iface_param
->value
);
1113 ql4_printk(KERN_ERR
, ha
, "Unknown IPv6 param = %d\n",
1114 iface_param
->param
);
1119 static void qla4xxx_set_ipv4(struct scsi_qla_host
*ha
,
1120 struct iscsi_iface_param_info
*iface_param
,
1121 struct addr_ctrl_blk
*init_fw_cb
)
1123 switch (iface_param
->param
) {
1124 case ISCSI_NET_PARAM_IPV4_ADDR
:
1125 memcpy(init_fw_cb
->ipv4_addr
, iface_param
->value
,
1126 sizeof(init_fw_cb
->ipv4_addr
));
1128 case ISCSI_NET_PARAM_IPV4_SUBNET
:
1129 memcpy(init_fw_cb
->ipv4_subnet
, iface_param
->value
,
1130 sizeof(init_fw_cb
->ipv4_subnet
));
1132 case ISCSI_NET_PARAM_IPV4_GW
:
1133 memcpy(init_fw_cb
->ipv4_gw_addr
, iface_param
->value
,
1134 sizeof(init_fw_cb
->ipv4_gw_addr
));
1136 case ISCSI_NET_PARAM_IPV4_BOOTPROTO
:
1137 if (iface_param
->value
[0] == ISCSI_BOOTPROTO_DHCP
)
1138 init_fw_cb
->ipv4_tcp_opts
|=
1139 cpu_to_le16(TCPOPT_DHCP_ENABLE
);
1140 else if (iface_param
->value
[0] == ISCSI_BOOTPROTO_STATIC
)
1141 init_fw_cb
->ipv4_tcp_opts
&=
1142 cpu_to_le16(~TCPOPT_DHCP_ENABLE
);
1144 ql4_printk(KERN_ERR
, ha
, "Invalid IPv4 bootproto\n");
1146 case ISCSI_NET_PARAM_IFACE_ENABLE
:
1147 if (iface_param
->value
[0] == ISCSI_IFACE_ENABLE
) {
1148 init_fw_cb
->ipv4_ip_opts
|=
1149 cpu_to_le16(IPOPT_IPV4_PROTOCOL_ENABLE
);
1150 qla4xxx_create_ipv4_iface(ha
);
1152 init_fw_cb
->ipv4_ip_opts
&=
1153 cpu_to_le16(~IPOPT_IPV4_PROTOCOL_ENABLE
&
1155 qla4xxx_destroy_ipv4_iface(ha
);
1158 case ISCSI_NET_PARAM_VLAN_TAG
:
1159 if (iface_param
->len
!= sizeof(init_fw_cb
->ipv4_vlan_tag
))
1161 init_fw_cb
->ipv4_vlan_tag
=
1162 cpu_to_be16(*(uint16_t *)iface_param
->value
);
1164 case ISCSI_NET_PARAM_VLAN_ENABLED
:
1165 if (iface_param
->value
[0] == ISCSI_VLAN_ENABLE
)
1166 init_fw_cb
->ipv4_ip_opts
|=
1167 cpu_to_le16(IPOPT_VLAN_TAGGING_ENABLE
);
1169 init_fw_cb
->ipv4_ip_opts
&=
1170 cpu_to_le16(~IPOPT_VLAN_TAGGING_ENABLE
);
1172 case ISCSI_NET_PARAM_MTU
:
1173 init_fw_cb
->eth_mtu_size
=
1174 cpu_to_le16(*(uint16_t *)iface_param
->value
);
1176 case ISCSI_NET_PARAM_PORT
:
1177 init_fw_cb
->ipv4_port
=
1178 cpu_to_le16(*(uint16_t *)iface_param
->value
);
1181 ql4_printk(KERN_ERR
, ha
, "Unknown IPv4 param = %d\n",
1182 iface_param
->param
);
1188 qla4xxx_initcb_to_acb(struct addr_ctrl_blk
*init_fw_cb
)
1190 struct addr_ctrl_blk_def
*acb
;
1191 acb
= (struct addr_ctrl_blk_def
*)init_fw_cb
;
1192 memset(acb
->reserved1
, 0, sizeof(acb
->reserved1
));
1193 memset(acb
->reserved2
, 0, sizeof(acb
->reserved2
));
1194 memset(acb
->reserved3
, 0, sizeof(acb
->reserved3
));
1195 memset(acb
->reserved4
, 0, sizeof(acb
->reserved4
));
1196 memset(acb
->reserved5
, 0, sizeof(acb
->reserved5
));
1197 memset(acb
->reserved6
, 0, sizeof(acb
->reserved6
));
1198 memset(acb
->reserved7
, 0, sizeof(acb
->reserved7
));
1199 memset(acb
->reserved8
, 0, sizeof(acb
->reserved8
));
1200 memset(acb
->reserved9
, 0, sizeof(acb
->reserved9
));
1201 memset(acb
->reserved10
, 0, sizeof(acb
->reserved10
));
1202 memset(acb
->reserved11
, 0, sizeof(acb
->reserved11
));
1203 memset(acb
->reserved12
, 0, sizeof(acb
->reserved12
));
1204 memset(acb
->reserved13
, 0, sizeof(acb
->reserved13
));
1205 memset(acb
->reserved14
, 0, sizeof(acb
->reserved14
));
1206 memset(acb
->reserved15
, 0, sizeof(acb
->reserved15
));
1210 qla4xxx_iface_set_param(struct Scsi_Host
*shost
, void *data
, uint32_t len
)
1212 struct scsi_qla_host
*ha
= to_qla_host(shost
);
1214 struct iscsi_iface_param_info
*iface_param
= NULL
;
1215 struct addr_ctrl_blk
*init_fw_cb
= NULL
;
1216 dma_addr_t init_fw_cb_dma
;
1217 uint32_t mbox_cmd
[MBOX_REG_COUNT
];
1218 uint32_t mbox_sts
[MBOX_REG_COUNT
];
1220 struct nlattr
*attr
;
1222 init_fw_cb
= dma_alloc_coherent(&ha
->pdev
->dev
,
1223 sizeof(struct addr_ctrl_blk
),
1224 &init_fw_cb_dma
, GFP_KERNEL
);
1226 ql4_printk(KERN_ERR
, ha
, "%s: Unable to alloc init_cb\n",
1231 memset(init_fw_cb
, 0, sizeof(struct addr_ctrl_blk
));
1232 memset(&mbox_cmd
, 0, sizeof(mbox_cmd
));
1233 memset(&mbox_sts
, 0, sizeof(mbox_sts
));
1235 if (qla4xxx_get_ifcb(ha
, &mbox_cmd
[0], &mbox_sts
[0], init_fw_cb_dma
)) {
1236 ql4_printk(KERN_ERR
, ha
, "%s: get ifcb failed\n", __func__
);
1238 goto exit_init_fw_cb
;
1241 nla_for_each_attr(attr
, data
, len
, rem
) {
1242 iface_param
= nla_data(attr
);
1244 if (iface_param
->param_type
!= ISCSI_NET_PARAM
)
1247 switch (iface_param
->iface_type
) {
1248 case ISCSI_IFACE_TYPE_IPV4
:
1249 switch (iface_param
->iface_num
) {
1251 qla4xxx_set_ipv4(ha
, iface_param
, init_fw_cb
);
1254 /* Cannot have more than one IPv4 interface */
1255 ql4_printk(KERN_ERR
, ha
, "Invalid IPv4 iface "
1257 iface_param
->iface_num
);
1261 case ISCSI_IFACE_TYPE_IPV6
:
1262 switch (iface_param
->iface_num
) {
1265 qla4xxx_set_ipv6(ha
, iface_param
, init_fw_cb
);
1268 /* Cannot have more than two IPv6 interface */
1269 ql4_printk(KERN_ERR
, ha
, "Invalid IPv6 iface "
1271 iface_param
->iface_num
);
1276 ql4_printk(KERN_ERR
, ha
, "Invalid iface type\n");
1281 init_fw_cb
->cookie
= cpu_to_le32(0x11BEAD5A);
1283 rval
= qla4xxx_set_flash(ha
, init_fw_cb_dma
, FLASH_SEGMENT_IFCB
,
1284 sizeof(struct addr_ctrl_blk
),
1285 FLASH_OPT_RMW_COMMIT
);
1286 if (rval
!= QLA_SUCCESS
) {
1287 ql4_printk(KERN_ERR
, ha
, "%s: set flash mbx failed\n",
1290 goto exit_init_fw_cb
;
1293 rval
= qla4xxx_disable_acb(ha
);
1294 if (rval
!= QLA_SUCCESS
) {
1295 ql4_printk(KERN_ERR
, ha
, "%s: disable acb mbx failed\n",
1298 goto exit_init_fw_cb
;
1301 wait_for_completion_timeout(&ha
->disable_acb_comp
,
1302 DISABLE_ACB_TOV
* HZ
);
1304 qla4xxx_initcb_to_acb(init_fw_cb
);
1306 rval
= qla4xxx_set_acb(ha
, &mbox_cmd
[0], &mbox_sts
[0], init_fw_cb_dma
);
1307 if (rval
!= QLA_SUCCESS
) {
1308 ql4_printk(KERN_ERR
, ha
, "%s: set acb mbx failed\n",
1311 goto exit_init_fw_cb
;
1314 memset(init_fw_cb
, 0, sizeof(struct addr_ctrl_blk
));
1315 qla4xxx_update_local_ifcb(ha
, &mbox_cmd
[0], &mbox_sts
[0], init_fw_cb
,
1319 dma_free_coherent(&ha
->pdev
->dev
, sizeof(struct addr_ctrl_blk
),
1320 init_fw_cb
, init_fw_cb_dma
);
1325 static int qla4xxx_session_get_param(struct iscsi_cls_session
*cls_sess
,
1326 enum iscsi_param param
, char *buf
)
1328 struct iscsi_session
*sess
= cls_sess
->dd_data
;
1329 struct ddb_entry
*ddb_entry
= sess
->dd_data
;
1330 struct scsi_qla_host
*ha
= ddb_entry
->ha
;
1335 case ISCSI_PARAM_CHAP_IN_IDX
:
1336 rval
= qla4xxx_get_chap_index(ha
, sess
->username_in
,
1337 sess
->password_in
, BIDI_CHAP
,
1342 len
= sprintf(buf
, "%hu\n", idx
);
1344 case ISCSI_PARAM_CHAP_OUT_IDX
:
1345 rval
= qla4xxx_get_chap_index(ha
, sess
->username
,
1346 sess
->password
, LOCAL_CHAP
,
1351 len
= sprintf(buf
, "%hu\n", idx
);
1354 return iscsi_session_get_param(cls_sess
, param
, buf
);
1360 static int qla4xxx_conn_get_param(struct iscsi_cls_conn
*cls_conn
,
1361 enum iscsi_param param
, char *buf
)
1363 struct iscsi_conn
*conn
;
1364 struct qla_conn
*qla_conn
;
1365 struct sockaddr
*dst_addr
;
1368 conn
= cls_conn
->dd_data
;
1369 qla_conn
= conn
->dd_data
;
1370 dst_addr
= (struct sockaddr
*)&qla_conn
->qla_ep
->dst_addr
;
1373 case ISCSI_PARAM_CONN_PORT
:
1374 case ISCSI_PARAM_CONN_ADDRESS
:
1375 return iscsi_conn_get_addr_param((struct sockaddr_storage
*)
1376 dst_addr
, param
, buf
);
1378 return iscsi_conn_get_param(cls_conn
, param
, buf
);
1385 int qla4xxx_get_ddb_index(struct scsi_qla_host
*ha
, uint16_t *ddb_index
)
1387 uint32_t mbx_sts
= 0;
1388 uint16_t tmp_ddb_index
;
1392 tmp_ddb_index
= find_first_zero_bit(ha
->ddb_idx_map
, MAX_DDB_ENTRIES
);
1394 if (tmp_ddb_index
>= MAX_DDB_ENTRIES
) {
1395 DEBUG2(ql4_printk(KERN_INFO
, ha
,
1396 "Free DDB index not available\n"));
1398 goto exit_get_ddb_index
;
1401 if (test_and_set_bit(tmp_ddb_index
, ha
->ddb_idx_map
))
1404 DEBUG2(ql4_printk(KERN_INFO
, ha
,
1405 "Found a free DDB index at %d\n", tmp_ddb_index
));
1406 ret
= qla4xxx_req_ddb_entry(ha
, tmp_ddb_index
, &mbx_sts
);
1407 if (ret
== QLA_ERROR
) {
1408 if (mbx_sts
== MBOX_STS_COMMAND_ERROR
) {
1409 ql4_printk(KERN_INFO
, ha
,
1410 "DDB index = %d not available trying next\n",
1414 DEBUG2(ql4_printk(KERN_INFO
, ha
,
1415 "Free FW DDB not available\n"));
1418 *ddb_index
= tmp_ddb_index
;
1424 static int qla4xxx_match_ipaddress(struct scsi_qla_host
*ha
,
1425 struct ddb_entry
*ddb_entry
,
1426 char *existing_ipaddr
,
1429 uint8_t dst_ipaddr
[IPv6_ADDR_LEN
];
1430 char formatted_ipaddr
[DDB_IPADDR_LEN
];
1431 int status
= QLA_SUCCESS
, ret
= 0;
1433 if (ddb_entry
->fw_ddb_entry
.options
& DDB_OPT_IPV6_DEVICE
) {
1434 ret
= in6_pton(user_ipaddr
, strlen(user_ipaddr
), dst_ipaddr
,
1440 ret
= sprintf(formatted_ipaddr
, "%pI6", dst_ipaddr
);
1442 ret
= in4_pton(user_ipaddr
, strlen(user_ipaddr
), dst_ipaddr
,
1448 ret
= sprintf(formatted_ipaddr
, "%pI4", dst_ipaddr
);
1451 if (strcmp(existing_ipaddr
, formatted_ipaddr
))
1458 static int qla4xxx_match_fwdb_session(struct scsi_qla_host
*ha
,
1459 struct iscsi_cls_conn
*cls_conn
)
1461 int idx
= 0, max_ddbs
, rval
;
1462 struct iscsi_cls_session
*cls_sess
= iscsi_conn_to_session(cls_conn
);
1463 struct iscsi_session
*sess
, *existing_sess
;
1464 struct iscsi_conn
*conn
, *existing_conn
;
1465 struct ddb_entry
*ddb_entry
;
1467 sess
= cls_sess
->dd_data
;
1468 conn
= cls_conn
->dd_data
;
1470 if (sess
->targetname
== NULL
||
1471 conn
->persistent_address
== NULL
||
1472 conn
->persistent_port
== 0)
1475 max_ddbs
= is_qla40XX(ha
) ? MAX_DEV_DB_ENTRIES_40XX
:
1478 for (idx
= 0; idx
< max_ddbs
; idx
++) {
1479 ddb_entry
= qla4xxx_lookup_ddb_by_fw_index(ha
, idx
);
1480 if (ddb_entry
== NULL
)
1483 if (ddb_entry
->ddb_type
!= FLASH_DDB
)
1486 existing_sess
= ddb_entry
->sess
->dd_data
;
1487 existing_conn
= ddb_entry
->conn
->dd_data
;
1489 if (existing_sess
->targetname
== NULL
||
1490 existing_conn
->persistent_address
== NULL
||
1491 existing_conn
->persistent_port
== 0)
1494 DEBUG2(ql4_printk(KERN_INFO
, ha
,
1495 "IQN = %s User IQN = %s\n",
1496 existing_sess
->targetname
,
1499 DEBUG2(ql4_printk(KERN_INFO
, ha
,
1500 "IP = %s User IP = %s\n",
1501 existing_conn
->persistent_address
,
1502 conn
->persistent_address
));
1504 DEBUG2(ql4_printk(KERN_INFO
, ha
,
1505 "Port = %d User Port = %d\n",
1506 existing_conn
->persistent_port
,
1507 conn
->persistent_port
));
1509 if (strcmp(existing_sess
->targetname
, sess
->targetname
))
1511 rval
= qla4xxx_match_ipaddress(ha
, ddb_entry
,
1512 existing_conn
->persistent_address
,
1513 conn
->persistent_address
);
1514 if (rval
== QLA_ERROR
)
1516 if (existing_conn
->persistent_port
!= conn
->persistent_port
)
1521 if (idx
== max_ddbs
)
1524 DEBUG2(ql4_printk(KERN_INFO
, ha
,
1525 "Match found in fwdb sessions\n"));
1529 static struct iscsi_cls_session
*
1530 qla4xxx_session_create(struct iscsi_endpoint
*ep
,
1531 uint16_t cmds_max
, uint16_t qdepth
,
1532 uint32_t initial_cmdsn
)
1534 struct iscsi_cls_session
*cls_sess
;
1535 struct scsi_qla_host
*ha
;
1536 struct qla_endpoint
*qla_ep
;
1537 struct ddb_entry
*ddb_entry
;
1539 struct iscsi_session
*sess
;
1540 struct sockaddr
*dst_addr
;
1543 DEBUG2(printk(KERN_INFO
"Func: %s\n", __func__
));
1545 printk(KERN_ERR
"qla4xxx: missing ep.\n");
1549 qla_ep
= ep
->dd_data
;
1550 dst_addr
= (struct sockaddr
*)&qla_ep
->dst_addr
;
1551 ha
= to_qla_host(qla_ep
->host
);
1553 ret
= qla4xxx_get_ddb_index(ha
, &ddb_index
);
1554 if (ret
== QLA_ERROR
)
1557 cls_sess
= iscsi_session_setup(&qla4xxx_iscsi_transport
, qla_ep
->host
,
1558 cmds_max
, sizeof(struct ddb_entry
),
1559 sizeof(struct ql4_task_data
),
1560 initial_cmdsn
, ddb_index
);
1564 sess
= cls_sess
->dd_data
;
1565 ddb_entry
= sess
->dd_data
;
1566 ddb_entry
->fw_ddb_index
= ddb_index
;
1567 ddb_entry
->fw_ddb_device_state
= DDB_DS_NO_CONNECTION_ACTIVE
;
1569 ddb_entry
->sess
= cls_sess
;
1570 ddb_entry
->unblock_sess
= qla4xxx_unblock_ddb
;
1571 ddb_entry
->ddb_change
= qla4xxx_ddb_change
;
1572 cls_sess
->recovery_tmo
= ql4xsess_recovery_tmo
;
1573 ha
->fw_ddb_index_map
[ddb_entry
->fw_ddb_index
] = ddb_entry
;
1579 static void qla4xxx_session_destroy(struct iscsi_cls_session
*cls_sess
)
1581 struct iscsi_session
*sess
;
1582 struct ddb_entry
*ddb_entry
;
1583 struct scsi_qla_host
*ha
;
1584 unsigned long flags
, wtime
;
1585 struct dev_db_entry
*fw_ddb_entry
= NULL
;
1586 dma_addr_t fw_ddb_entry_dma
;
1590 DEBUG2(printk(KERN_INFO
"Func: %s\n", __func__
));
1591 sess
= cls_sess
->dd_data
;
1592 ddb_entry
= sess
->dd_data
;
1595 fw_ddb_entry
= dma_alloc_coherent(&ha
->pdev
->dev
, sizeof(*fw_ddb_entry
),
1596 &fw_ddb_entry_dma
, GFP_KERNEL
);
1597 if (!fw_ddb_entry
) {
1598 ql4_printk(KERN_ERR
, ha
,
1599 "%s: Unable to allocate dma buffer\n", __func__
);
1600 goto destroy_session
;
1603 wtime
= jiffies
+ (HZ
* LOGOUT_TOV
);
1605 ret
= qla4xxx_get_fwddb_entry(ha
, ddb_entry
->fw_ddb_index
,
1606 fw_ddb_entry
, fw_ddb_entry_dma
,
1607 NULL
, NULL
, &ddb_state
, NULL
,
1609 if (ret
== QLA_ERROR
)
1610 goto destroy_session
;
1612 if ((ddb_state
== DDB_DS_NO_CONNECTION_ACTIVE
) ||
1613 (ddb_state
== DDB_DS_SESSION_FAILED
))
1614 goto destroy_session
;
1616 schedule_timeout_uninterruptible(HZ
);
1617 } while ((time_after(wtime
, jiffies
)));
1620 qla4xxx_clear_ddb_entry(ha
, ddb_entry
->fw_ddb_index
);
1622 spin_lock_irqsave(&ha
->hardware_lock
, flags
);
1623 qla4xxx_free_ddb(ha
, ddb_entry
);
1624 spin_unlock_irqrestore(&ha
->hardware_lock
, flags
);
1626 iscsi_session_teardown(cls_sess
);
1629 dma_free_coherent(&ha
->pdev
->dev
, sizeof(*fw_ddb_entry
),
1630 fw_ddb_entry
, fw_ddb_entry_dma
);
1633 static struct iscsi_cls_conn
*
1634 qla4xxx_conn_create(struct iscsi_cls_session
*cls_sess
, uint32_t conn_idx
)
1636 struct iscsi_cls_conn
*cls_conn
;
1637 struct iscsi_session
*sess
;
1638 struct ddb_entry
*ddb_entry
;
1640 DEBUG2(printk(KERN_INFO
"Func: %s\n", __func__
));
1641 cls_conn
= iscsi_conn_setup(cls_sess
, sizeof(struct qla_conn
),
1646 sess
= cls_sess
->dd_data
;
1647 ddb_entry
= sess
->dd_data
;
1648 ddb_entry
->conn
= cls_conn
;
1653 static int qla4xxx_conn_bind(struct iscsi_cls_session
*cls_session
,
1654 struct iscsi_cls_conn
*cls_conn
,
1655 uint64_t transport_fd
, int is_leading
)
1657 struct iscsi_conn
*conn
;
1658 struct qla_conn
*qla_conn
;
1659 struct iscsi_endpoint
*ep
;
1661 DEBUG2(printk(KERN_INFO
"Func: %s\n", __func__
));
1663 if (iscsi_conn_bind(cls_session
, cls_conn
, is_leading
))
1665 ep
= iscsi_lookup_endpoint(transport_fd
);
1666 conn
= cls_conn
->dd_data
;
1667 qla_conn
= conn
->dd_data
;
1668 qla_conn
->qla_ep
= ep
->dd_data
;
1672 static int qla4xxx_conn_start(struct iscsi_cls_conn
*cls_conn
)
1674 struct iscsi_cls_session
*cls_sess
= iscsi_conn_to_session(cls_conn
);
1675 struct iscsi_session
*sess
;
1676 struct ddb_entry
*ddb_entry
;
1677 struct scsi_qla_host
*ha
;
1678 struct dev_db_entry
*fw_ddb_entry
= NULL
;
1679 dma_addr_t fw_ddb_entry_dma
;
1680 uint32_t mbx_sts
= 0;
1682 int status
= QLA_SUCCESS
;
1684 DEBUG2(printk(KERN_INFO
"Func: %s\n", __func__
));
1685 sess
= cls_sess
->dd_data
;
1686 ddb_entry
= sess
->dd_data
;
1689 /* Check if we have matching FW DDB, if yes then do not
1690 * login to this target. This could cause target to logout previous
1693 ret
= qla4xxx_match_fwdb_session(ha
, cls_conn
);
1694 if (ret
== QLA_SUCCESS
) {
1695 ql4_printk(KERN_INFO
, ha
,
1696 "Session already exist in FW.\n");
1698 goto exit_conn_start
;
1701 fw_ddb_entry
= dma_alloc_coherent(&ha
->pdev
->dev
, sizeof(*fw_ddb_entry
),
1702 &fw_ddb_entry_dma
, GFP_KERNEL
);
1703 if (!fw_ddb_entry
) {
1704 ql4_printk(KERN_ERR
, ha
,
1705 "%s: Unable to allocate dma buffer\n", __func__
);
1707 goto exit_conn_start
;
1710 ret
= qla4xxx_set_param_ddbentry(ha
, ddb_entry
, cls_conn
, &mbx_sts
);
1712 /* If iscsid is stopped and started then no need to do
1713 * set param again since ddb state will be already
1714 * active and FW does not allow set ddb to an
1718 if (ddb_entry
->fw_ddb_device_state
==
1719 DDB_DS_SESSION_ACTIVE
) {
1720 ddb_entry
->unblock_sess(ddb_entry
->sess
);
1721 goto exit_set_param
;
1724 ql4_printk(KERN_ERR
, ha
, "%s: Failed set param for index[%d]\n",
1725 __func__
, ddb_entry
->fw_ddb_index
);
1726 goto exit_conn_start
;
1729 status
= qla4xxx_conn_open(ha
, ddb_entry
->fw_ddb_index
);
1730 if (status
== QLA_ERROR
) {
1731 ql4_printk(KERN_ERR
, ha
, "%s: Login failed: %s\n", __func__
,
1734 goto exit_conn_start
;
1737 if (ddb_entry
->fw_ddb_device_state
== DDB_DS_NO_CONNECTION_ACTIVE
)
1738 ddb_entry
->fw_ddb_device_state
= DDB_DS_LOGIN_IN_PROCESS
;
1740 DEBUG2(printk(KERN_INFO
"%s: DDB state [%d]\n", __func__
,
1741 ddb_entry
->fw_ddb_device_state
));
1748 dma_free_coherent(&ha
->pdev
->dev
, sizeof(*fw_ddb_entry
),
1749 fw_ddb_entry
, fw_ddb_entry_dma
);
1753 static void qla4xxx_conn_destroy(struct iscsi_cls_conn
*cls_conn
)
1755 struct iscsi_cls_session
*cls_sess
= iscsi_conn_to_session(cls_conn
);
1756 struct iscsi_session
*sess
;
1757 struct scsi_qla_host
*ha
;
1758 struct ddb_entry
*ddb_entry
;
1761 DEBUG2(printk(KERN_INFO
"Func: %s\n", __func__
));
1762 sess
= cls_sess
->dd_data
;
1763 ddb_entry
= sess
->dd_data
;
1766 options
= LOGOUT_OPTION_CLOSE_SESSION
;
1767 if (qla4xxx_session_logout_ddb(ha
, ddb_entry
, options
) == QLA_ERROR
)
1768 ql4_printk(KERN_ERR
, ha
, "%s: Logout failed\n", __func__
);
1771 static void qla4xxx_task_work(struct work_struct
*wdata
)
1773 struct ql4_task_data
*task_data
;
1774 struct scsi_qla_host
*ha
;
1775 struct passthru_status
*sts
;
1776 struct iscsi_task
*task
;
1777 struct iscsi_hdr
*hdr
;
1780 struct iscsi_conn
*conn
;
1784 task_data
= container_of(wdata
, struct ql4_task_data
, task_work
);
1786 task
= task_data
->task
;
1787 sts
= &task_data
->sts
;
1788 hdr_len
= sizeof(struct iscsi_hdr
);
1790 DEBUG3(printk(KERN_INFO
"Status returned\n"));
1791 DEBUG3(qla4xxx_dump_buffer(sts
, 64));
1792 DEBUG3(printk(KERN_INFO
"Response buffer"));
1793 DEBUG3(qla4xxx_dump_buffer(task_data
->resp_buffer
, 64));
1797 switch (sts
->completionStatus
) {
1798 case PASSTHRU_STATUS_COMPLETE
:
1799 hdr
= (struct iscsi_hdr
*)task_data
->resp_buffer
;
1800 /* Assign back the itt in hdr, until we use the PREASSIGN_TAG */
1803 data
= task_data
->resp_buffer
+ hdr_len
;
1804 data_len
= task_data
->resp_len
- hdr_len
;
1805 iscsi_complete_pdu(conn
, hdr
, data
, data_len
);
1808 ql4_printk(KERN_ERR
, ha
, "Passthru failed status = 0x%x\n",
1809 sts
->completionStatus
);
1815 static int qla4xxx_alloc_pdu(struct iscsi_task
*task
, uint8_t opcode
)
1817 struct ql4_task_data
*task_data
;
1818 struct iscsi_session
*sess
;
1819 struct ddb_entry
*ddb_entry
;
1820 struct scsi_qla_host
*ha
;
1823 sess
= task
->conn
->session
;
1824 ddb_entry
= sess
->dd_data
;
1826 task_data
= task
->dd_data
;
1827 memset(task_data
, 0, sizeof(struct ql4_task_data
));
1830 ql4_printk(KERN_INFO
, ha
,
1831 "%s: SCSI Commands not implemented\n", __func__
);
1835 hdr_len
= sizeof(struct iscsi_hdr
);
1837 task_data
->task
= task
;
1839 if (task
->data_count
) {
1840 task_data
->data_dma
= dma_map_single(&ha
->pdev
->dev
, task
->data
,
1845 DEBUG2(ql4_printk(KERN_INFO
, ha
, "%s: MaxRecvLen %u, iscsi hrd %d\n",
1846 __func__
, task
->conn
->max_recv_dlength
, hdr_len
));
1848 task_data
->resp_len
= task
->conn
->max_recv_dlength
+ hdr_len
;
1849 task_data
->resp_buffer
= dma_alloc_coherent(&ha
->pdev
->dev
,
1850 task_data
->resp_len
,
1851 &task_data
->resp_dma
,
1853 if (!task_data
->resp_buffer
)
1854 goto exit_alloc_pdu
;
1856 task_data
->req_len
= task
->data_count
+ hdr_len
;
1857 task_data
->req_buffer
= dma_alloc_coherent(&ha
->pdev
->dev
,
1859 &task_data
->req_dma
,
1861 if (!task_data
->req_buffer
)
1862 goto exit_alloc_pdu
;
1864 task
->hdr
= task_data
->req_buffer
;
1866 INIT_WORK(&task_data
->task_work
, qla4xxx_task_work
);
1871 if (task_data
->resp_buffer
)
1872 dma_free_coherent(&ha
->pdev
->dev
, task_data
->resp_len
,
1873 task_data
->resp_buffer
, task_data
->resp_dma
);
1875 if (task_data
->req_buffer
)
1876 dma_free_coherent(&ha
->pdev
->dev
, task_data
->req_len
,
1877 task_data
->req_buffer
, task_data
->req_dma
);
1881 static void qla4xxx_task_cleanup(struct iscsi_task
*task
)
1883 struct ql4_task_data
*task_data
;
1884 struct iscsi_session
*sess
;
1885 struct ddb_entry
*ddb_entry
;
1886 struct scsi_qla_host
*ha
;
1889 hdr_len
= sizeof(struct iscsi_hdr
);
1890 sess
= task
->conn
->session
;
1891 ddb_entry
= sess
->dd_data
;
1893 task_data
= task
->dd_data
;
1895 if (task
->data_count
) {
1896 dma_unmap_single(&ha
->pdev
->dev
, task_data
->data_dma
,
1897 task
->data_count
, PCI_DMA_TODEVICE
);
1900 DEBUG2(ql4_printk(KERN_INFO
, ha
, "%s: MaxRecvLen %u, iscsi hrd %d\n",
1901 __func__
, task
->conn
->max_recv_dlength
, hdr_len
));
1903 dma_free_coherent(&ha
->pdev
->dev
, task_data
->resp_len
,
1904 task_data
->resp_buffer
, task_data
->resp_dma
);
1905 dma_free_coherent(&ha
->pdev
->dev
, task_data
->req_len
,
1906 task_data
->req_buffer
, task_data
->req_dma
);
1910 static int qla4xxx_task_xmit(struct iscsi_task
*task
)
1912 struct scsi_cmnd
*sc
= task
->sc
;
1913 struct iscsi_session
*sess
= task
->conn
->session
;
1914 struct ddb_entry
*ddb_entry
= sess
->dd_data
;
1915 struct scsi_qla_host
*ha
= ddb_entry
->ha
;
1918 return qla4xxx_send_passthru0(task
);
1920 ql4_printk(KERN_INFO
, ha
, "%s: scsi cmd xmit not implemented\n",
1925 static void qla4xxx_copy_fwddb_param(struct scsi_qla_host
*ha
,
1926 struct dev_db_entry
*fw_ddb_entry
,
1927 struct iscsi_cls_session
*cls_sess
,
1928 struct iscsi_cls_conn
*cls_conn
)
1931 struct iscsi_session
*sess
;
1932 struct ddb_entry
*ddb_entry
;
1933 struct iscsi_conn
*conn
;
1934 char ip_addr
[DDB_IPADDR_LEN
];
1935 uint16_t options
= 0;
1937 sess
= cls_sess
->dd_data
;
1938 ddb_entry
= sess
->dd_data
;
1939 conn
= cls_conn
->dd_data
;
1941 ddb_entry
->chap_tbl_idx
= le16_to_cpu(fw_ddb_entry
->chap_tbl_idx
);
1943 conn
->max_recv_dlength
= BYTE_UNITS
*
1944 le16_to_cpu(fw_ddb_entry
->iscsi_max_rcv_data_seg_len
);
1946 conn
->max_xmit_dlength
= BYTE_UNITS
*
1947 le16_to_cpu(fw_ddb_entry
->iscsi_max_snd_data_seg_len
);
1949 sess
->initial_r2t_en
=
1950 (BIT_10
& le16_to_cpu(fw_ddb_entry
->iscsi_options
));
1952 sess
->max_r2t
= le16_to_cpu(fw_ddb_entry
->iscsi_max_outsnd_r2t
);
1954 sess
->imm_data_en
= (BIT_11
& le16_to_cpu(fw_ddb_entry
->iscsi_options
));
1956 sess
->first_burst
= BYTE_UNITS
*
1957 le16_to_cpu(fw_ddb_entry
->iscsi_first_burst_len
);
1959 sess
->max_burst
= BYTE_UNITS
*
1960 le16_to_cpu(fw_ddb_entry
->iscsi_max_burst_len
);
1962 sess
->time2wait
= le16_to_cpu(fw_ddb_entry
->iscsi_def_time2wait
);
1964 sess
->time2retain
= le16_to_cpu(fw_ddb_entry
->iscsi_def_time2retain
);
1966 conn
->persistent_port
= le16_to_cpu(fw_ddb_entry
->port
);
1968 sess
->tpgt
= le32_to_cpu(fw_ddb_entry
->tgt_portal_grp
);
1970 options
= le16_to_cpu(fw_ddb_entry
->options
);
1971 if (options
& DDB_OPT_IPV6_DEVICE
)
1972 sprintf(ip_addr
, "%pI6", fw_ddb_entry
->ip_addr
);
1974 sprintf(ip_addr
, "%pI4", fw_ddb_entry
->ip_addr
);
1976 iscsi_set_param(cls_conn
, ISCSI_PARAM_TARGET_NAME
,
1977 (char *)fw_ddb_entry
->iscsi_name
, buflen
);
1978 iscsi_set_param(cls_conn
, ISCSI_PARAM_INITIATOR_NAME
,
1979 (char *)ha
->name_string
, buflen
);
1980 iscsi_set_param(cls_conn
, ISCSI_PARAM_PERSISTENT_ADDRESS
,
1981 (char *)ip_addr
, buflen
);
1982 iscsi_set_param(cls_conn
, ISCSI_PARAM_TARGET_ALIAS
,
1983 (char *)fw_ddb_entry
->iscsi_alias
, buflen
);
1986 void qla4xxx_update_session_conn_fwddb_param(struct scsi_qla_host
*ha
,
1987 struct ddb_entry
*ddb_entry
)
1989 struct iscsi_cls_session
*cls_sess
;
1990 struct iscsi_cls_conn
*cls_conn
;
1992 dma_addr_t fw_ddb_entry_dma
;
1993 struct dev_db_entry
*fw_ddb_entry
;
1995 fw_ddb_entry
= dma_alloc_coherent(&ha
->pdev
->dev
, sizeof(*fw_ddb_entry
),
1996 &fw_ddb_entry_dma
, GFP_KERNEL
);
1997 if (!fw_ddb_entry
) {
1998 ql4_printk(KERN_ERR
, ha
,
1999 "%s: Unable to allocate dma buffer\n", __func__
);
2000 goto exit_session_conn_fwddb_param
;
2003 if (qla4xxx_get_fwddb_entry(ha
, ddb_entry
->fw_ddb_index
, fw_ddb_entry
,
2004 fw_ddb_entry_dma
, NULL
, NULL
, &ddb_state
,
2005 NULL
, NULL
, NULL
) == QLA_ERROR
) {
2006 DEBUG2(ql4_printk(KERN_ERR
, ha
, "scsi%ld: %s: failed "
2007 "get_ddb_entry for fw_ddb_index %d\n",
2008 ha
->host_no
, __func__
,
2009 ddb_entry
->fw_ddb_index
));
2010 goto exit_session_conn_fwddb_param
;
2013 cls_sess
= ddb_entry
->sess
;
2015 cls_conn
= ddb_entry
->conn
;
2018 qla4xxx_copy_fwddb_param(ha
, fw_ddb_entry
, cls_sess
, cls_conn
);
2020 exit_session_conn_fwddb_param
:
2022 dma_free_coherent(&ha
->pdev
->dev
, sizeof(*fw_ddb_entry
),
2023 fw_ddb_entry
, fw_ddb_entry_dma
);
2026 void qla4xxx_update_session_conn_param(struct scsi_qla_host
*ha
,
2027 struct ddb_entry
*ddb_entry
)
2029 struct iscsi_cls_session
*cls_sess
;
2030 struct iscsi_cls_conn
*cls_conn
;
2031 struct iscsi_session
*sess
;
2032 struct iscsi_conn
*conn
;
2034 dma_addr_t fw_ddb_entry_dma
;
2035 struct dev_db_entry
*fw_ddb_entry
;
2037 fw_ddb_entry
= dma_alloc_coherent(&ha
->pdev
->dev
, sizeof(*fw_ddb_entry
),
2038 &fw_ddb_entry_dma
, GFP_KERNEL
);
2039 if (!fw_ddb_entry
) {
2040 ql4_printk(KERN_ERR
, ha
,
2041 "%s: Unable to allocate dma buffer\n", __func__
);
2042 goto exit_session_conn_param
;
2045 if (qla4xxx_get_fwddb_entry(ha
, ddb_entry
->fw_ddb_index
, fw_ddb_entry
,
2046 fw_ddb_entry_dma
, NULL
, NULL
, &ddb_state
,
2047 NULL
, NULL
, NULL
) == QLA_ERROR
) {
2048 DEBUG2(ql4_printk(KERN_ERR
, ha
, "scsi%ld: %s: failed "
2049 "get_ddb_entry for fw_ddb_index %d\n",
2050 ha
->host_no
, __func__
,
2051 ddb_entry
->fw_ddb_index
));
2052 goto exit_session_conn_param
;
2055 cls_sess
= ddb_entry
->sess
;
2056 sess
= cls_sess
->dd_data
;
2058 cls_conn
= ddb_entry
->conn
;
2059 conn
= cls_conn
->dd_data
;
2061 /* Update timers after login */
2062 ddb_entry
->default_relogin_timeout
=
2063 (le16_to_cpu(fw_ddb_entry
->def_timeout
) > LOGIN_TOV
) &&
2064 (le16_to_cpu(fw_ddb_entry
->def_timeout
) < LOGIN_TOV
* 10) ?
2065 le16_to_cpu(fw_ddb_entry
->def_timeout
) : LOGIN_TOV
;
2066 ddb_entry
->default_time2wait
=
2067 le16_to_cpu(fw_ddb_entry
->iscsi_def_time2wait
);
2070 ddb_entry
->chap_tbl_idx
= le16_to_cpu(fw_ddb_entry
->chap_tbl_idx
);
2071 conn
->max_recv_dlength
= BYTE_UNITS
*
2072 le16_to_cpu(fw_ddb_entry
->iscsi_max_rcv_data_seg_len
);
2074 conn
->max_xmit_dlength
= BYTE_UNITS
*
2075 le16_to_cpu(fw_ddb_entry
->iscsi_max_snd_data_seg_len
);
2077 sess
->initial_r2t_en
=
2078 (BIT_10
& le16_to_cpu(fw_ddb_entry
->iscsi_options
));
2080 sess
->max_r2t
= le16_to_cpu(fw_ddb_entry
->iscsi_max_outsnd_r2t
);
2082 sess
->imm_data_en
= (BIT_11
& le16_to_cpu(fw_ddb_entry
->iscsi_options
));
2084 sess
->first_burst
= BYTE_UNITS
*
2085 le16_to_cpu(fw_ddb_entry
->iscsi_first_burst_len
);
2087 sess
->max_burst
= BYTE_UNITS
*
2088 le16_to_cpu(fw_ddb_entry
->iscsi_max_burst_len
);
2090 sess
->time2wait
= le16_to_cpu(fw_ddb_entry
->iscsi_def_time2wait
);
2092 sess
->time2retain
= le16_to_cpu(fw_ddb_entry
->iscsi_def_time2retain
);
2094 sess
->tpgt
= le32_to_cpu(fw_ddb_entry
->tgt_portal_grp
);
2096 memcpy(sess
->initiatorname
, ha
->name_string
,
2097 min(sizeof(ha
->name_string
), sizeof(sess
->initiatorname
)));
2099 iscsi_set_param(cls_conn
, ISCSI_PARAM_TARGET_ALIAS
,
2100 (char *)fw_ddb_entry
->iscsi_alias
, 0);
2102 exit_session_conn_param
:
2104 dma_free_coherent(&ha
->pdev
->dev
, sizeof(*fw_ddb_entry
),
2105 fw_ddb_entry
, fw_ddb_entry_dma
);
2112 static void qla4xxx_start_timer(struct scsi_qla_host
*ha
, void *func
,
2113 unsigned long interval
)
2115 DEBUG(printk("scsi: %s: Starting timer thread for adapter %d\n",
2116 __func__
, ha
->host
->host_no
));
2117 init_timer(&ha
->timer
);
2118 ha
->timer
.expires
= jiffies
+ interval
* HZ
;
2119 ha
->timer
.data
= (unsigned long)ha
;
2120 ha
->timer
.function
= (void (*)(unsigned long))func
;
2121 add_timer(&ha
->timer
);
2122 ha
->timer_active
= 1;
2125 static void qla4xxx_stop_timer(struct scsi_qla_host
*ha
)
2127 del_timer_sync(&ha
->timer
);
2128 ha
->timer_active
= 0;
2132 * qla4xxx_mark_device_missing - blocks the session
2133 * @cls_session: Pointer to the session to be blocked
2134 * @ddb_entry: Pointer to device database entry
2136 * This routine marks a device missing and close connection.
2138 void qla4xxx_mark_device_missing(struct iscsi_cls_session
*cls_session
)
2140 iscsi_block_session(cls_session
);
2144 * qla4xxx_mark_all_devices_missing - mark all devices as missing.
2145 * @ha: Pointer to host adapter structure.
2147 * This routine marks a device missing and resets the relogin retry count.
2149 void qla4xxx_mark_all_devices_missing(struct scsi_qla_host
*ha
)
2151 iscsi_host_for_each_session(ha
->host
, qla4xxx_mark_device_missing
);
2154 static struct srb
* qla4xxx_get_new_srb(struct scsi_qla_host
*ha
,
2155 struct ddb_entry
*ddb_entry
,
2156 struct scsi_cmnd
*cmd
)
2160 srb
= mempool_alloc(ha
->srb_mempool
, GFP_ATOMIC
);
2164 kref_init(&srb
->srb_ref
);
2166 srb
->ddb
= ddb_entry
;
2169 CMD_SP(cmd
) = (void *)srb
;
2174 static void qla4xxx_srb_free_dma(struct scsi_qla_host
*ha
, struct srb
*srb
)
2176 struct scsi_cmnd
*cmd
= srb
->cmd
;
2178 if (srb
->flags
& SRB_DMA_VALID
) {
2179 scsi_dma_unmap(cmd
);
2180 srb
->flags
&= ~SRB_DMA_VALID
;
2185 void qla4xxx_srb_compl(struct kref
*ref
)
2187 struct srb
*srb
= container_of(ref
, struct srb
, srb_ref
);
2188 struct scsi_cmnd
*cmd
= srb
->cmd
;
2189 struct scsi_qla_host
*ha
= srb
->ha
;
2191 qla4xxx_srb_free_dma(ha
, srb
);
2193 mempool_free(srb
, ha
->srb_mempool
);
2195 cmd
->scsi_done(cmd
);
2199 * qla4xxx_queuecommand - scsi layer issues scsi command to driver.
2201 * @cmd: Pointer to Linux's SCSI command structure
2204 * This routine is invoked by Linux to send a SCSI command to the driver.
2205 * The mid-level driver tries to ensure that queuecommand never gets
2206 * invoked concurrently with itself or the interrupt handler (although
2207 * the interrupt handler may call this routine as part of request-
2208 * completion handling). Unfortunely, it sometimes calls the scheduler
2209 * in interrupt context which is a big NO! NO!.
2211 static int qla4xxx_queuecommand(struct Scsi_Host
*host
, struct scsi_cmnd
*cmd
)
2213 struct scsi_qla_host
*ha
= to_qla_host(host
);
2214 struct ddb_entry
*ddb_entry
= cmd
->device
->hostdata
;
2215 struct iscsi_cls_session
*sess
= ddb_entry
->sess
;
2219 if (test_bit(AF_EEH_BUSY
, &ha
->flags
)) {
2220 if (test_bit(AF_PCI_CHANNEL_IO_PERM_FAILURE
, &ha
->flags
))
2221 cmd
->result
= DID_NO_CONNECT
<< 16;
2223 cmd
->result
= DID_REQUEUE
<< 16;
2224 goto qc_fail_command
;
2228 cmd
->result
= DID_IMM_RETRY
<< 16;
2229 goto qc_fail_command
;
2232 rval
= iscsi_session_chkready(sess
);
2235 goto qc_fail_command
;
2238 if (test_bit(DPC_RESET_HA_INTR
, &ha
->dpc_flags
) ||
2239 test_bit(DPC_RESET_ACTIVE
, &ha
->dpc_flags
) ||
2240 test_bit(DPC_RESET_HA
, &ha
->dpc_flags
) ||
2241 test_bit(DPC_HA_UNRECOVERABLE
, &ha
->dpc_flags
) ||
2242 test_bit(DPC_HA_NEED_QUIESCENT
, &ha
->dpc_flags
) ||
2243 !test_bit(AF_ONLINE
, &ha
->flags
) ||
2244 !test_bit(AF_LINK_UP
, &ha
->flags
) ||
2245 test_bit(DPC_RESET_HA_FW_CONTEXT
, &ha
->dpc_flags
))
2248 srb
= qla4xxx_get_new_srb(ha
, ddb_entry
, cmd
);
2252 rval
= qla4xxx_send_command_to_isp(ha
, srb
);
2253 if (rval
!= QLA_SUCCESS
)
2254 goto qc_host_busy_free_sp
;
2258 qc_host_busy_free_sp
:
2259 qla4xxx_srb_free_dma(ha
, srb
);
2260 mempool_free(srb
, ha
->srb_mempool
);
2263 return SCSI_MLQUEUE_HOST_BUSY
;
2266 cmd
->scsi_done(cmd
);
2272 * qla4xxx_mem_free - frees memory allocated to adapter
2273 * @ha: Pointer to host adapter structure.
2275 * Frees memory previously allocated by qla4xxx_mem_alloc
2277 static void qla4xxx_mem_free(struct scsi_qla_host
*ha
)
2280 dma_free_coherent(&ha
->pdev
->dev
, ha
->queues_len
, ha
->queues
,
2289 ha
->request_ring
= NULL
;
2290 ha
->request_dma
= 0;
2291 ha
->response_ring
= NULL
;
2292 ha
->response_dma
= 0;
2293 ha
->shadow_regs
= NULL
;
2294 ha
->shadow_regs_dma
= 0;
2296 ha
->fw_dump_size
= 0;
2298 /* Free srb pool. */
2299 if (ha
->srb_mempool
)
2300 mempool_destroy(ha
->srb_mempool
);
2302 ha
->srb_mempool
= NULL
;
2304 if (ha
->chap_dma_pool
)
2305 dma_pool_destroy(ha
->chap_dma_pool
);
2308 vfree(ha
->chap_list
);
2309 ha
->chap_list
= NULL
;
2311 if (ha
->fw_ddb_dma_pool
)
2312 dma_pool_destroy(ha
->fw_ddb_dma_pool
);
2314 /* release io space registers */
2315 if (is_qla8022(ha
)) {
2318 (struct device_reg_82xx __iomem
*)ha
->nx_pcibase
);
2319 } else if (is_qla8032(ha
)) {
2322 (struct device_reg_83xx __iomem
*)ha
->nx_pcibase
);
2323 } else if (ha
->reg
) {
2327 if (ha
->reset_tmplt
.buff
)
2328 vfree(ha
->reset_tmplt
.buff
);
2330 pci_release_regions(ha
->pdev
);
2334 * qla4xxx_mem_alloc - allocates memory for use by adapter.
2335 * @ha: Pointer to host adapter structure
2337 * Allocates DMA memory for request and response queues. Also allocates memory
2340 static int qla4xxx_mem_alloc(struct scsi_qla_host
*ha
)
2342 unsigned long align
;
2344 /* Allocate contiguous block of DMA memory for queues. */
2345 ha
->queues_len
= ((REQUEST_QUEUE_DEPTH
* QUEUE_SIZE
) +
2346 (RESPONSE_QUEUE_DEPTH
* QUEUE_SIZE
) +
2347 sizeof(struct shadow_regs
) +
2349 (PAGE_SIZE
- 1)) & ~(PAGE_SIZE
- 1);
2350 ha
->queues
= dma_alloc_coherent(&ha
->pdev
->dev
, ha
->queues_len
,
2351 &ha
->queues_dma
, GFP_KERNEL
);
2352 if (ha
->queues
== NULL
) {
2353 ql4_printk(KERN_WARNING
, ha
,
2354 "Memory Allocation failed - queues.\n");
2356 goto mem_alloc_error_exit
;
2358 memset(ha
->queues
, 0, ha
->queues_len
);
2361 * As per RISC alignment requirements -- the bus-address must be a
2362 * multiple of the request-ring size (in bytes).
2365 if ((unsigned long)ha
->queues_dma
& (MEM_ALIGN_VALUE
- 1))
2366 align
= MEM_ALIGN_VALUE
- ((unsigned long)ha
->queues_dma
&
2367 (MEM_ALIGN_VALUE
- 1));
2369 /* Update request and response queue pointers. */
2370 ha
->request_dma
= ha
->queues_dma
+ align
;
2371 ha
->request_ring
= (struct queue_entry
*) (ha
->queues
+ align
);
2372 ha
->response_dma
= ha
->queues_dma
+ align
+
2373 (REQUEST_QUEUE_DEPTH
* QUEUE_SIZE
);
2374 ha
->response_ring
= (struct queue_entry
*) (ha
->queues
+ align
+
2375 (REQUEST_QUEUE_DEPTH
*
2377 ha
->shadow_regs_dma
= ha
->queues_dma
+ align
+
2378 (REQUEST_QUEUE_DEPTH
* QUEUE_SIZE
) +
2379 (RESPONSE_QUEUE_DEPTH
* QUEUE_SIZE
);
2380 ha
->shadow_regs
= (struct shadow_regs
*) (ha
->queues
+ align
+
2381 (REQUEST_QUEUE_DEPTH
*
2383 (RESPONSE_QUEUE_DEPTH
*
2386 /* Allocate memory for srb pool. */
2387 ha
->srb_mempool
= mempool_create(SRB_MIN_REQ
, mempool_alloc_slab
,
2388 mempool_free_slab
, srb_cachep
);
2389 if (ha
->srb_mempool
== NULL
) {
2390 ql4_printk(KERN_WARNING
, ha
,
2391 "Memory Allocation failed - SRB Pool.\n");
2393 goto mem_alloc_error_exit
;
2396 ha
->chap_dma_pool
= dma_pool_create("ql4_chap", &ha
->pdev
->dev
,
2397 CHAP_DMA_BLOCK_SIZE
, 8, 0);
2399 if (ha
->chap_dma_pool
== NULL
) {
2400 ql4_printk(KERN_WARNING
, ha
,
2401 "%s: chap_dma_pool allocation failed..\n", __func__
);
2402 goto mem_alloc_error_exit
;
2405 ha
->fw_ddb_dma_pool
= dma_pool_create("ql4_fw_ddb", &ha
->pdev
->dev
,
2406 DDB_DMA_BLOCK_SIZE
, 8, 0);
2408 if (ha
->fw_ddb_dma_pool
== NULL
) {
2409 ql4_printk(KERN_WARNING
, ha
,
2410 "%s: fw_ddb_dma_pool allocation failed..\n",
2412 goto mem_alloc_error_exit
;
2417 mem_alloc_error_exit
:
2418 qla4xxx_mem_free(ha
);
2423 * qla4_8xxx_check_temp - Check the ISP82XX temperature.
2424 * @ha: adapter block pointer.
2426 * Note: The caller should not hold the idc lock.
2428 static int qla4_8xxx_check_temp(struct scsi_qla_host
*ha
)
2430 uint32_t temp
, temp_state
, temp_val
;
2431 int status
= QLA_SUCCESS
;
2433 temp
= qla4_8xxx_rd_direct(ha
, QLA8XXX_CRB_TEMP_STATE
);
2435 temp_state
= qla82xx_get_temp_state(temp
);
2436 temp_val
= qla82xx_get_temp_val(temp
);
2438 if (temp_state
== QLA82XX_TEMP_PANIC
) {
2439 ql4_printk(KERN_WARNING
, ha
, "Device temperature %d degrees C"
2440 " exceeds maximum allowed. Hardware has been shut"
2441 " down.\n", temp_val
);
2443 } else if (temp_state
== QLA82XX_TEMP_WARN
) {
2444 if (ha
->temperature
== QLA82XX_TEMP_NORMAL
)
2445 ql4_printk(KERN_WARNING
, ha
, "Device temperature %d"
2446 " degrees C exceeds operating range."
2447 " Immediate action needed.\n", temp_val
);
2449 if (ha
->temperature
== QLA82XX_TEMP_WARN
)
2450 ql4_printk(KERN_INFO
, ha
, "Device temperature is"
2451 " now %d degrees C in normal range.\n",
2454 ha
->temperature
= temp_state
;
2459 * qla4_8xxx_check_fw_alive - Check firmware health
2460 * @ha: Pointer to host adapter structure.
2462 * Context: Interrupt
2464 static int qla4_8xxx_check_fw_alive(struct scsi_qla_host
*ha
)
2466 uint32_t fw_heartbeat_counter
;
2467 int status
= QLA_SUCCESS
;
2469 fw_heartbeat_counter
= qla4_8xxx_rd_direct(ha
,
2470 QLA8XXX_PEG_ALIVE_COUNTER
);
2471 /* If PEG_ALIVE_COUNTER is 0xffffffff, AER/EEH is in progress, ignore */
2472 if (fw_heartbeat_counter
== 0xffffffff) {
2473 DEBUG2(printk(KERN_WARNING
"scsi%ld: %s: Device in frozen "
2474 "state, QLA82XX_PEG_ALIVE_COUNTER is 0xffffffff\n",
2475 ha
->host_no
, __func__
));
2479 if (ha
->fw_heartbeat_counter
== fw_heartbeat_counter
) {
2480 ha
->seconds_since_last_heartbeat
++;
2481 /* FW not alive after 2 seconds */
2482 if (ha
->seconds_since_last_heartbeat
== 2) {
2483 ha
->seconds_since_last_heartbeat
= 0;
2484 qla4_8xxx_dump_peg_reg(ha
);
2488 ha
->seconds_since_last_heartbeat
= 0;
2490 ha
->fw_heartbeat_counter
= fw_heartbeat_counter
;
2494 static void qla4_8xxx_process_fw_error(struct scsi_qla_host
*ha
)
2496 uint32_t halt_status
;
2497 int halt_status_unrecoverable
= 0;
2499 halt_status
= qla4_8xxx_rd_direct(ha
, QLA8XXX_PEG_HALT_STATUS1
);
2501 if (is_qla8022(ha
)) {
2502 ql4_printk(KERN_INFO
, ha
, "%s: disabling pause transmit on port 0 & 1.\n",
2504 qla4_82xx_wr_32(ha
, QLA82XX_CRB_NIU
+ 0x98,
2505 CRB_NIU_XG_PAUSE_CTL_P0
|
2506 CRB_NIU_XG_PAUSE_CTL_P1
);
2508 if (QLA82XX_FWERROR_CODE(halt_status
) == 0x67)
2509 ql4_printk(KERN_ERR
, ha
, "%s: Firmware aborted with error code 0x00006700. Device is being reset\n",
2511 if (halt_status
& HALT_STATUS_UNRECOVERABLE
)
2512 halt_status_unrecoverable
= 1;
2513 } else if (is_qla8032(ha
)) {
2514 if (halt_status
& QLA83XX_HALT_STATUS_FW_RESET
)
2515 ql4_printk(KERN_ERR
, ha
, "%s: Firmware error detected device is being reset\n",
2517 else if (halt_status
& QLA83XX_HALT_STATUS_UNRECOVERABLE
)
2518 halt_status_unrecoverable
= 1;
2522 * Since we cannot change dev_state in interrupt context,
2523 * set appropriate DPC flag then wakeup DPC
2525 if (halt_status_unrecoverable
) {
2526 set_bit(DPC_HA_UNRECOVERABLE
, &ha
->dpc_flags
);
2528 ql4_printk(KERN_INFO
, ha
, "%s: detect abort needed!\n",
2530 set_bit(DPC_RESET_HA
, &ha
->dpc_flags
);
2532 qla4xxx_mailbox_premature_completion(ha
);
2533 qla4xxx_wake_dpc(ha
);
2537 * qla4_8xxx_watchdog - Poll dev state
2538 * @ha: Pointer to host adapter structure.
2540 * Context: Interrupt
2542 void qla4_8xxx_watchdog(struct scsi_qla_host
*ha
)
2546 /* don't poll if reset is going on */
2547 if (!(test_bit(DPC_RESET_ACTIVE
, &ha
->dpc_flags
) ||
2548 test_bit(DPC_RESET_HA
, &ha
->dpc_flags
) ||
2549 test_bit(DPC_RETRY_RESET_HA
, &ha
->dpc_flags
))) {
2550 dev_state
= qla4_8xxx_rd_direct(ha
, QLA8XXX_CRB_DEV_STATE
);
2552 if (qla4_8xxx_check_temp(ha
)) {
2553 if (is_qla8022(ha
)) {
2554 ql4_printk(KERN_INFO
, ha
, "disabling pause transmit on port 0 & 1.\n");
2555 qla4_82xx_wr_32(ha
, QLA82XX_CRB_NIU
+ 0x98,
2556 CRB_NIU_XG_PAUSE_CTL_P0
|
2557 CRB_NIU_XG_PAUSE_CTL_P1
);
2559 set_bit(DPC_HA_UNRECOVERABLE
, &ha
->dpc_flags
);
2560 qla4xxx_wake_dpc(ha
);
2561 } else if (dev_state
== QLA8XXX_DEV_NEED_RESET
&&
2562 !test_bit(DPC_RESET_HA
, &ha
->dpc_flags
)) {
2563 if (is_qla8032(ha
) ||
2564 (is_qla8022(ha
) && !ql4xdontresethba
)) {
2565 ql4_printk(KERN_INFO
, ha
, "%s: HW State: "
2566 "NEED RESET!\n", __func__
);
2567 set_bit(DPC_RESET_HA
, &ha
->dpc_flags
);
2568 qla4xxx_wake_dpc(ha
);
2570 } else if (dev_state
== QLA8XXX_DEV_NEED_QUIESCENT
&&
2571 !test_bit(DPC_HA_NEED_QUIESCENT
, &ha
->dpc_flags
)) {
2572 ql4_printk(KERN_INFO
, ha
, "%s: HW State: NEED QUIES!\n",
2574 set_bit(DPC_HA_NEED_QUIESCENT
, &ha
->dpc_flags
);
2575 qla4xxx_wake_dpc(ha
);
2577 /* Check firmware health */
2578 if (qla4_8xxx_check_fw_alive(ha
))
2579 qla4_8xxx_process_fw_error(ha
);
2584 static void qla4xxx_check_relogin_flash_ddb(struct iscsi_cls_session
*cls_sess
)
2586 struct iscsi_session
*sess
;
2587 struct ddb_entry
*ddb_entry
;
2588 struct scsi_qla_host
*ha
;
2590 sess
= cls_sess
->dd_data
;
2591 ddb_entry
= sess
->dd_data
;
2594 if (!(ddb_entry
->ddb_type
== FLASH_DDB
))
2597 if (adapter_up(ha
) && !test_bit(DF_RELOGIN
, &ddb_entry
->flags
) &&
2598 !iscsi_is_session_online(cls_sess
)) {
2599 if (atomic_read(&ddb_entry
->retry_relogin_timer
) !=
2601 if (atomic_read(&ddb_entry
->retry_relogin_timer
) ==
2603 atomic_set(&ddb_entry
->retry_relogin_timer
,
2605 set_bit(DPC_RELOGIN_DEVICE
, &ha
->dpc_flags
);
2606 set_bit(DF_RELOGIN
, &ddb_entry
->flags
);
2607 DEBUG2(ql4_printk(KERN_INFO
, ha
,
2608 "%s: index [%d] login device\n",
2609 __func__
, ddb_entry
->fw_ddb_index
));
2611 atomic_dec(&ddb_entry
->retry_relogin_timer
);
2615 /* Wait for relogin to timeout */
2616 if (atomic_read(&ddb_entry
->relogin_timer
) &&
2617 (atomic_dec_and_test(&ddb_entry
->relogin_timer
) != 0)) {
2619 * If the relogin times out and the device is
2620 * still NOT ONLINE then try and relogin again.
2622 if (!iscsi_is_session_online(cls_sess
)) {
2623 /* Reset retry relogin timer */
2624 atomic_inc(&ddb_entry
->relogin_retry_count
);
2625 DEBUG2(ql4_printk(KERN_INFO
, ha
,
2626 "%s: index[%d] relogin timed out-retrying"
2627 " relogin (%d), retry (%d)\n", __func__
,
2628 ddb_entry
->fw_ddb_index
,
2629 atomic_read(&ddb_entry
->relogin_retry_count
),
2630 ddb_entry
->default_time2wait
+ 4));
2631 set_bit(DPC_RELOGIN_DEVICE
, &ha
->dpc_flags
);
2632 atomic_set(&ddb_entry
->retry_relogin_timer
,
2633 ddb_entry
->default_time2wait
+ 4);
2639 * qla4xxx_timer - checks every second for work to do.
2640 * @ha: Pointer to host adapter structure.
2642 static void qla4xxx_timer(struct scsi_qla_host
*ha
)
2647 iscsi_host_for_each_session(ha
->host
, qla4xxx_check_relogin_flash_ddb
);
2649 /* If we are in the middle of AER/EEH processing
2650 * skip any processing and reschedule the timer
2652 if (test_bit(AF_EEH_BUSY
, &ha
->flags
)) {
2653 mod_timer(&ha
->timer
, jiffies
+ HZ
);
2657 /* Hardware read to trigger an EEH error during mailbox waits. */
2658 if (!pci_channel_offline(ha
->pdev
))
2659 pci_read_config_word(ha
->pdev
, PCI_VENDOR_ID
, &w
);
2662 qla4_8xxx_watchdog(ha
);
2664 if (is_qla40XX(ha
)) {
2665 /* Check for heartbeat interval. */
2666 if (ha
->firmware_options
& FWOPT_HEARTBEAT_ENABLE
&&
2667 ha
->heartbeat_interval
!= 0) {
2668 ha
->seconds_since_last_heartbeat
++;
2669 if (ha
->seconds_since_last_heartbeat
>
2670 ha
->heartbeat_interval
+ 2)
2671 set_bit(DPC_RESET_HA
, &ha
->dpc_flags
);
2675 /* Process any deferred work. */
2676 if (!list_empty(&ha
->work_list
))
2679 /* Wakeup the dpc routine for this adapter, if needed. */
2681 test_bit(DPC_RESET_HA
, &ha
->dpc_flags
) ||
2682 test_bit(DPC_RETRY_RESET_HA
, &ha
->dpc_flags
) ||
2683 test_bit(DPC_RELOGIN_DEVICE
, &ha
->dpc_flags
) ||
2684 test_bit(DPC_RESET_HA_FW_CONTEXT
, &ha
->dpc_flags
) ||
2685 test_bit(DPC_RESET_HA_INTR
, &ha
->dpc_flags
) ||
2686 test_bit(DPC_GET_DHCP_IP_ADDR
, &ha
->dpc_flags
) ||
2687 test_bit(DPC_LINK_CHANGED
, &ha
->dpc_flags
) ||
2688 test_bit(DPC_HA_UNRECOVERABLE
, &ha
->dpc_flags
) ||
2689 test_bit(DPC_HA_NEED_QUIESCENT
, &ha
->dpc_flags
) ||
2690 test_bit(DPC_AEN
, &ha
->dpc_flags
)) {
2691 DEBUG2(printk("scsi%ld: %s: scheduling dpc routine"
2692 " - dpc flags = 0x%lx\n",
2693 ha
->host_no
, __func__
, ha
->dpc_flags
));
2694 qla4xxx_wake_dpc(ha
);
2697 /* Reschedule timer thread to call us back in one second */
2698 mod_timer(&ha
->timer
, jiffies
+ HZ
);
2700 DEBUG2(ha
->seconds_since_last_intr
++);
2704 * qla4xxx_cmd_wait - waits for all outstanding commands to complete
2705 * @ha: Pointer to host adapter structure.
2707 * This routine stalls the driver until all outstanding commands are returned.
2708 * Caller must release the Hardware Lock prior to calling this routine.
2710 static int qla4xxx_cmd_wait(struct scsi_qla_host
*ha
)
2713 unsigned long flags
;
2714 struct scsi_cmnd
*cmd
;
2716 unsigned long wtime
= jiffies
+ (WAIT_CMD_TOV
* HZ
);
2718 DEBUG2(ql4_printk(KERN_INFO
, ha
, "Wait up to %d seconds for cmds to "
2719 "complete\n", WAIT_CMD_TOV
));
2721 while (!time_after_eq(jiffies
, wtime
)) {
2722 spin_lock_irqsave(&ha
->hardware_lock
, flags
);
2723 /* Find a command that hasn't completed. */
2724 for (index
= 0; index
< ha
->host
->can_queue
; index
++) {
2725 cmd
= scsi_host_find_tag(ha
->host
, index
);
2727 * We cannot just check if the index is valid,
2728 * becase if we are run from the scsi eh, then
2729 * the scsi/block layer is going to prevent
2730 * the tag from being released.
2732 if (cmd
!= NULL
&& CMD_SP(cmd
))
2735 spin_unlock_irqrestore(&ha
->hardware_lock
, flags
);
2737 /* If No Commands are pending, wait is complete */
2738 if (index
== ha
->host
->can_queue
)
2743 /* If we timed out on waiting for commands to come back
2748 int qla4xxx_hw_reset(struct scsi_qla_host
*ha
)
2750 uint32_t ctrl_status
;
2751 unsigned long flags
= 0;
2753 DEBUG2(printk(KERN_ERR
"scsi%ld: %s\n", ha
->host_no
, __func__
));
2755 if (ql4xxx_lock_drvr_wait(ha
) != QLA_SUCCESS
)
2758 spin_lock_irqsave(&ha
->hardware_lock
, flags
);
2761 * If the SCSI Reset Interrupt bit is set, clear it.
2762 * Otherwise, the Soft Reset won't work.
2764 ctrl_status
= readw(&ha
->reg
->ctrl_status
);
2765 if ((ctrl_status
& CSR_SCSI_RESET_INTR
) != 0)
2766 writel(set_rmask(CSR_SCSI_RESET_INTR
), &ha
->reg
->ctrl_status
);
2768 /* Issue Soft Reset */
2769 writel(set_rmask(CSR_SOFT_RESET
), &ha
->reg
->ctrl_status
);
2770 readl(&ha
->reg
->ctrl_status
);
2772 spin_unlock_irqrestore(&ha
->hardware_lock
, flags
);
2777 * qla4xxx_soft_reset - performs soft reset.
2778 * @ha: Pointer to host adapter structure.
2780 int qla4xxx_soft_reset(struct scsi_qla_host
*ha
)
2782 uint32_t max_wait_time
;
2783 unsigned long flags
= 0;
2785 uint32_t ctrl_status
;
2787 status
= qla4xxx_hw_reset(ha
);
2788 if (status
!= QLA_SUCCESS
)
2792 /* Wait until the Network Reset Intr bit is cleared */
2793 max_wait_time
= RESET_INTR_TOV
;
2795 spin_lock_irqsave(&ha
->hardware_lock
, flags
);
2796 ctrl_status
= readw(&ha
->reg
->ctrl_status
);
2797 spin_unlock_irqrestore(&ha
->hardware_lock
, flags
);
2799 if ((ctrl_status
& CSR_NET_RESET_INTR
) == 0)
2803 } while ((--max_wait_time
));
2805 if ((ctrl_status
& CSR_NET_RESET_INTR
) != 0) {
2806 DEBUG2(printk(KERN_WARNING
2807 "scsi%ld: Network Reset Intr not cleared by "
2808 "Network function, clearing it now!\n",
2810 spin_lock_irqsave(&ha
->hardware_lock
, flags
);
2811 writel(set_rmask(CSR_NET_RESET_INTR
), &ha
->reg
->ctrl_status
);
2812 readl(&ha
->reg
->ctrl_status
);
2813 spin_unlock_irqrestore(&ha
->hardware_lock
, flags
);
2816 /* Wait until the firmware tells us the Soft Reset is done */
2817 max_wait_time
= SOFT_RESET_TOV
;
2819 spin_lock_irqsave(&ha
->hardware_lock
, flags
);
2820 ctrl_status
= readw(&ha
->reg
->ctrl_status
);
2821 spin_unlock_irqrestore(&ha
->hardware_lock
, flags
);
2823 if ((ctrl_status
& CSR_SOFT_RESET
) == 0) {
2824 status
= QLA_SUCCESS
;
2829 } while ((--max_wait_time
));
2832 * Also, make sure that the SCSI Reset Interrupt bit has been cleared
2833 * after the soft reset has taken place.
2835 spin_lock_irqsave(&ha
->hardware_lock
, flags
);
2836 ctrl_status
= readw(&ha
->reg
->ctrl_status
);
2837 if ((ctrl_status
& CSR_SCSI_RESET_INTR
) != 0) {
2838 writel(set_rmask(CSR_SCSI_RESET_INTR
), &ha
->reg
->ctrl_status
);
2839 readl(&ha
->reg
->ctrl_status
);
2841 spin_unlock_irqrestore(&ha
->hardware_lock
, flags
);
2843 /* If soft reset fails then most probably the bios on other
2844 * function is also enabled.
2845 * Since the initialization is sequential the other fn
2846 * wont be able to acknowledge the soft reset.
2847 * Issue a force soft reset to workaround this scenario.
2849 if (max_wait_time
== 0) {
2850 /* Issue Force Soft Reset */
2851 spin_lock_irqsave(&ha
->hardware_lock
, flags
);
2852 writel(set_rmask(CSR_FORCE_SOFT_RESET
), &ha
->reg
->ctrl_status
);
2853 readl(&ha
->reg
->ctrl_status
);
2854 spin_unlock_irqrestore(&ha
->hardware_lock
, flags
);
2855 /* Wait until the firmware tells us the Soft Reset is done */
2856 max_wait_time
= SOFT_RESET_TOV
;
2858 spin_lock_irqsave(&ha
->hardware_lock
, flags
);
2859 ctrl_status
= readw(&ha
->reg
->ctrl_status
);
2860 spin_unlock_irqrestore(&ha
->hardware_lock
, flags
);
2862 if ((ctrl_status
& CSR_FORCE_SOFT_RESET
) == 0) {
2863 status
= QLA_SUCCESS
;
2868 } while ((--max_wait_time
));
2875 * qla4xxx_abort_active_cmds - returns all outstanding i/o requests to O.S.
2876 * @ha: Pointer to host adapter structure.
2877 * @res: returned scsi status
2879 * This routine is called just prior to a HARD RESET to return all
2880 * outstanding commands back to the Operating System.
2881 * Caller should make sure that the following locks are released
2882 * before this calling routine: Hardware lock, and io_request_lock.
2884 static void qla4xxx_abort_active_cmds(struct scsi_qla_host
*ha
, int res
)
2888 unsigned long flags
;
2890 spin_lock_irqsave(&ha
->hardware_lock
, flags
);
2891 for (i
= 0; i
< ha
->host
->can_queue
; i
++) {
2892 srb
= qla4xxx_del_from_active_array(ha
, i
);
2894 srb
->cmd
->result
= res
;
2895 kref_put(&srb
->srb_ref
, qla4xxx_srb_compl
);
2898 spin_unlock_irqrestore(&ha
->hardware_lock
, flags
);
2901 void qla4xxx_dead_adapter_cleanup(struct scsi_qla_host
*ha
)
2903 clear_bit(AF_ONLINE
, &ha
->flags
);
2905 /* Disable the board */
2906 ql4_printk(KERN_INFO
, ha
, "Disabling the board\n");
2908 qla4xxx_abort_active_cmds(ha
, DID_NO_CONNECT
<< 16);
2909 qla4xxx_mark_all_devices_missing(ha
);
2910 clear_bit(AF_INIT_DONE
, &ha
->flags
);
2913 static void qla4xxx_fail_session(struct iscsi_cls_session
*cls_session
)
2915 struct iscsi_session
*sess
;
2916 struct ddb_entry
*ddb_entry
;
2918 sess
= cls_session
->dd_data
;
2919 ddb_entry
= sess
->dd_data
;
2920 ddb_entry
->fw_ddb_device_state
= DDB_DS_SESSION_FAILED
;
2922 if (ddb_entry
->ddb_type
== FLASH_DDB
)
2923 iscsi_block_session(ddb_entry
->sess
);
2925 iscsi_session_failure(cls_session
->dd_data
,
2926 ISCSI_ERR_CONN_FAILED
);
2930 * qla4xxx_recover_adapter - recovers adapter after a fatal error
2931 * @ha: Pointer to host adapter structure.
2933 static int qla4xxx_recover_adapter(struct scsi_qla_host
*ha
)
2935 int status
= QLA_ERROR
;
2936 uint8_t reset_chip
= 0;
2940 /* Stall incoming I/O until we are done */
2941 scsi_block_requests(ha
->host
);
2942 clear_bit(AF_ONLINE
, &ha
->flags
);
2943 clear_bit(AF_LINK_UP
, &ha
->flags
);
2945 DEBUG2(ql4_printk(KERN_INFO
, ha
, "%s: adapter OFFLINE\n", __func__
));
2947 set_bit(DPC_RESET_ACTIVE
, &ha
->dpc_flags
);
2949 if (is_qla8032(ha
) &&
2950 !test_bit(DPC_RESET_HA_FW_CONTEXT
, &ha
->dpc_flags
)) {
2951 ql4_printk(KERN_INFO
, ha
, "%s: disabling pause transmit on port 0 & 1.\n",
2953 /* disable pause frame for ISP83xx */
2954 qla4_83xx_disable_pause(ha
);
2957 iscsi_host_for_each_session(ha
->host
, qla4xxx_fail_session
);
2959 if (test_bit(DPC_RESET_HA
, &ha
->dpc_flags
))
2962 /* For the DPC_RESET_HA_INTR case (ISP-4xxx specific)
2963 * do not reset adapter, jump to initialize_adapter */
2964 if (test_bit(DPC_RESET_HA_INTR
, &ha
->dpc_flags
)) {
2965 status
= QLA_SUCCESS
;
2966 goto recover_ha_init_adapter
;
2969 /* For the ISP-8xxx adapter, issue a stop_firmware if invoked
2970 * from eh_host_reset or ioctl module */
2971 if (is_qla80XX(ha
) && !reset_chip
&&
2972 test_bit(DPC_RESET_HA_FW_CONTEXT
, &ha
->dpc_flags
)) {
2974 DEBUG2(ql4_printk(KERN_INFO
, ha
,
2975 "scsi%ld: %s - Performing stop_firmware...\n",
2976 ha
->host_no
, __func__
));
2977 status
= ha
->isp_ops
->reset_firmware(ha
);
2978 if (status
== QLA_SUCCESS
) {
2979 if (!test_bit(AF_FW_RECOVERY
, &ha
->flags
))
2980 qla4xxx_cmd_wait(ha
);
2982 ha
->isp_ops
->disable_intrs(ha
);
2983 qla4xxx_process_aen(ha
, FLUSH_DDB_CHANGED_AENS
);
2984 qla4xxx_abort_active_cmds(ha
, DID_RESET
<< 16);
2986 /* If the stop_firmware fails then
2987 * reset the entire chip */
2989 clear_bit(DPC_RESET_HA_FW_CONTEXT
, &ha
->dpc_flags
);
2990 set_bit(DPC_RESET_HA
, &ha
->dpc_flags
);
2994 /* Issue full chip reset if recovering from a catastrophic error,
2995 * or if stop_firmware fails for ISP-8xxx.
2996 * This is the default case for ISP-4xxx */
2997 if (is_qla40XX(ha
) || reset_chip
) {
3001 /* Check if 8XXX firmware is alive or not
3002 * We may have arrived here from NEED_RESET
3004 if (test_bit(AF_FW_RECOVERY
, &ha
->flags
))
3007 wait
= jiffies
+ (FW_ALIVE_WAIT_TOV
* HZ
);
3008 while (time_before(jiffies
, wait
)) {
3009 if (qla4_8xxx_check_fw_alive(ha
)) {
3010 qla4xxx_mailbox_premature_completion(ha
);
3014 set_current_state(TASK_UNINTERRUPTIBLE
);
3015 schedule_timeout(HZ
);
3018 if (!test_bit(AF_FW_RECOVERY
, &ha
->flags
))
3019 qla4xxx_cmd_wait(ha
);
3021 qla4xxx_process_aen(ha
, FLUSH_DDB_CHANGED_AENS
);
3022 qla4xxx_abort_active_cmds(ha
, DID_RESET
<< 16);
3023 DEBUG2(ql4_printk(KERN_INFO
, ha
,
3024 "scsi%ld: %s - Performing chip reset..\n",
3025 ha
->host_no
, __func__
));
3026 status
= ha
->isp_ops
->reset_chip(ha
);
3029 /* Flush any pending ddb changed AENs */
3030 qla4xxx_process_aen(ha
, FLUSH_DDB_CHANGED_AENS
);
3032 recover_ha_init_adapter
:
3033 /* Upon successful firmware/chip reset, re-initialize the adapter */
3034 if (status
== QLA_SUCCESS
) {
3035 /* For ISP-4xxx, force function 1 to always initialize
3036 * before function 3 to prevent both funcions from
3037 * stepping on top of the other */
3038 if (is_qla40XX(ha
) && (ha
->mac_index
== 3))
3041 /* NOTE: AF_ONLINE flag set upon successful completion of
3042 * qla4xxx_initialize_adapter */
3043 status
= qla4xxx_initialize_adapter(ha
, RESET_ADAPTER
);
3046 /* Retry failed adapter initialization, if necessary
3047 * Do not retry initialize_adapter for RESET_HA_INTR (ISP-4xxx specific)
3048 * case to prevent ping-pong resets between functions */
3049 if (!test_bit(AF_ONLINE
, &ha
->flags
) &&
3050 !test_bit(DPC_RESET_HA_INTR
, &ha
->dpc_flags
)) {
3051 /* Adapter initialization failed, see if we can retry
3053 * Since we don't want to block the DPC for too long
3054 * with multiple resets in the same thread,
3055 * utilize DPC to retry */
3056 if (is_qla80XX(ha
)) {
3057 ha
->isp_ops
->idc_lock(ha
);
3058 dev_state
= qla4_8xxx_rd_direct(ha
,
3059 QLA8XXX_CRB_DEV_STATE
);
3060 ha
->isp_ops
->idc_unlock(ha
);
3061 if (dev_state
== QLA8XXX_DEV_FAILED
) {
3062 ql4_printk(KERN_INFO
, ha
, "%s: don't retry "
3063 "recover adapter. H/W is in Failed "
3064 "state\n", __func__
);
3065 qla4xxx_dead_adapter_cleanup(ha
);
3066 clear_bit(DPC_RETRY_RESET_HA
, &ha
->dpc_flags
);
3067 clear_bit(DPC_RESET_HA
, &ha
->dpc_flags
);
3068 clear_bit(DPC_RESET_HA_FW_CONTEXT
,
3076 if (!test_bit(DPC_RETRY_RESET_HA
, &ha
->dpc_flags
)) {
3077 ha
->retry_reset_ha_cnt
= MAX_RESET_HA_RETRIES
;
3078 DEBUG2(printk("scsi%ld: recover adapter - retrying "
3079 "(%d) more times\n", ha
->host_no
,
3080 ha
->retry_reset_ha_cnt
));
3081 set_bit(DPC_RETRY_RESET_HA
, &ha
->dpc_flags
);
3084 if (ha
->retry_reset_ha_cnt
> 0) {
3085 /* Schedule another Reset HA--DPC will retry */
3086 ha
->retry_reset_ha_cnt
--;
3087 DEBUG2(printk("scsi%ld: recover adapter - "
3088 "retry remaining %d\n",
3090 ha
->retry_reset_ha_cnt
));
3094 if (ha
->retry_reset_ha_cnt
== 0) {
3095 /* Recover adapter retries have been exhausted.
3097 DEBUG2(printk("scsi%ld: recover adapter "
3098 "failed - board disabled\n",
3100 qla4xxx_dead_adapter_cleanup(ha
);
3101 clear_bit(DPC_RETRY_RESET_HA
, &ha
->dpc_flags
);
3102 clear_bit(DPC_RESET_HA
, &ha
->dpc_flags
);
3103 clear_bit(DPC_RESET_HA_FW_CONTEXT
,
3109 clear_bit(DPC_RESET_HA
, &ha
->dpc_flags
);
3110 clear_bit(DPC_RESET_HA_FW_CONTEXT
, &ha
->dpc_flags
);
3111 clear_bit(DPC_RETRY_RESET_HA
, &ha
->dpc_flags
);
3115 ha
->adapter_error_count
++;
3117 if (test_bit(AF_ONLINE
, &ha
->flags
))
3118 ha
->isp_ops
->enable_intrs(ha
);
3120 scsi_unblock_requests(ha
->host
);
3122 clear_bit(DPC_RESET_ACTIVE
, &ha
->dpc_flags
);
3123 DEBUG2(printk("scsi%ld: recover adapter: %s\n", ha
->host_no
,
3124 status
== QLA_ERROR
? "FAILED" : "SUCCEEDED"));
3129 static void qla4xxx_relogin_devices(struct iscsi_cls_session
*cls_session
)
3131 struct iscsi_session
*sess
;
3132 struct ddb_entry
*ddb_entry
;
3133 struct scsi_qla_host
*ha
;
3135 sess
= cls_session
->dd_data
;
3136 ddb_entry
= sess
->dd_data
;
3138 if (!iscsi_is_session_online(cls_session
)) {
3139 if (ddb_entry
->fw_ddb_device_state
== DDB_DS_SESSION_ACTIVE
) {
3140 ql4_printk(KERN_INFO
, ha
, "scsi%ld: %s: ddb[%d]"
3141 " unblock session\n", ha
->host_no
, __func__
,
3142 ddb_entry
->fw_ddb_index
);
3143 iscsi_unblock_session(ddb_entry
->sess
);
3145 /* Trigger relogin */
3146 if (ddb_entry
->ddb_type
== FLASH_DDB
) {
3147 if (!test_bit(DF_RELOGIN
, &ddb_entry
->flags
))
3148 qla4xxx_arm_relogin_timer(ddb_entry
);
3150 iscsi_session_failure(cls_session
->dd_data
,
3151 ISCSI_ERR_CONN_FAILED
);
3156 int qla4xxx_unblock_flash_ddb(struct iscsi_cls_session
*cls_session
)
3158 struct iscsi_session
*sess
;
3159 struct ddb_entry
*ddb_entry
;
3160 struct scsi_qla_host
*ha
;
3162 sess
= cls_session
->dd_data
;
3163 ddb_entry
= sess
->dd_data
;
3165 ql4_printk(KERN_INFO
, ha
, "scsi%ld: %s: ddb[%d]"
3166 " unblock session\n", ha
->host_no
, __func__
,
3167 ddb_entry
->fw_ddb_index
);
3169 iscsi_unblock_session(ddb_entry
->sess
);
3171 /* Start scan target */
3172 if (test_bit(AF_ONLINE
, &ha
->flags
)) {
3173 ql4_printk(KERN_INFO
, ha
, "scsi%ld: %s: ddb[%d]"
3174 " start scan\n", ha
->host_no
, __func__
,
3175 ddb_entry
->fw_ddb_index
);
3176 scsi_queue_work(ha
->host
, &ddb_entry
->sess
->scan_work
);
3181 int qla4xxx_unblock_ddb(struct iscsi_cls_session
*cls_session
)
3183 struct iscsi_session
*sess
;
3184 struct ddb_entry
*ddb_entry
;
3185 struct scsi_qla_host
*ha
;
3186 int status
= QLA_SUCCESS
;
3188 sess
= cls_session
->dd_data
;
3189 ddb_entry
= sess
->dd_data
;
3191 ql4_printk(KERN_INFO
, ha
, "scsi%ld: %s: ddb[%d]"
3192 " unblock user space session\n", ha
->host_no
, __func__
,
3193 ddb_entry
->fw_ddb_index
);
3195 if (!iscsi_is_session_online(cls_session
)) {
3196 iscsi_conn_start(ddb_entry
->conn
);
3197 iscsi_conn_login_event(ddb_entry
->conn
,
3198 ISCSI_CONN_STATE_LOGGED_IN
);
3200 ql4_printk(KERN_INFO
, ha
,
3201 "scsi%ld: %s: ddb[%d] session [%d] already logged in\n",
3202 ha
->host_no
, __func__
, ddb_entry
->fw_ddb_index
,
3210 static void qla4xxx_relogin_all_devices(struct scsi_qla_host
*ha
)
3212 iscsi_host_for_each_session(ha
->host
, qla4xxx_relogin_devices
);
3215 static void qla4xxx_relogin_flash_ddb(struct iscsi_cls_session
*cls_sess
)
3217 uint16_t relogin_timer
;
3218 struct iscsi_session
*sess
;
3219 struct ddb_entry
*ddb_entry
;
3220 struct scsi_qla_host
*ha
;
3222 sess
= cls_sess
->dd_data
;
3223 ddb_entry
= sess
->dd_data
;
3226 relogin_timer
= max(ddb_entry
->default_relogin_timeout
,
3227 (uint16_t)RELOGIN_TOV
);
3228 atomic_set(&ddb_entry
->relogin_timer
, relogin_timer
);
3230 DEBUG2(ql4_printk(KERN_INFO
, ha
,
3231 "scsi%ld: Relogin index [%d]. TOV=%d\n", ha
->host_no
,
3232 ddb_entry
->fw_ddb_index
, relogin_timer
));
3234 qla4xxx_login_flash_ddb(cls_sess
);
3237 static void qla4xxx_dpc_relogin(struct iscsi_cls_session
*cls_sess
)
3239 struct iscsi_session
*sess
;
3240 struct ddb_entry
*ddb_entry
;
3241 struct scsi_qla_host
*ha
;
3243 sess
= cls_sess
->dd_data
;
3244 ddb_entry
= sess
->dd_data
;
3247 if (!(ddb_entry
->ddb_type
== FLASH_DDB
))
3250 if (test_and_clear_bit(DF_RELOGIN
, &ddb_entry
->flags
) &&
3251 !iscsi_is_session_online(cls_sess
)) {
3252 DEBUG2(ql4_printk(KERN_INFO
, ha
,
3253 "relogin issued\n"));
3254 qla4xxx_relogin_flash_ddb(cls_sess
);
3258 void qla4xxx_wake_dpc(struct scsi_qla_host
*ha
)
3261 queue_work(ha
->dpc_thread
, &ha
->dpc_work
);
3264 static struct qla4_work_evt
*
3265 qla4xxx_alloc_work(struct scsi_qla_host
*ha
, uint32_t data_size
,
3266 enum qla4_work_type type
)
3268 struct qla4_work_evt
*e
;
3269 uint32_t size
= sizeof(struct qla4_work_evt
) + data_size
;
3271 e
= kzalloc(size
, GFP_ATOMIC
);
3275 INIT_LIST_HEAD(&e
->list
);
3280 static void qla4xxx_post_work(struct scsi_qla_host
*ha
,
3281 struct qla4_work_evt
*e
)
3283 unsigned long flags
;
3285 spin_lock_irqsave(&ha
->work_lock
, flags
);
3286 list_add_tail(&e
->list
, &ha
->work_list
);
3287 spin_unlock_irqrestore(&ha
->work_lock
, flags
);
3288 qla4xxx_wake_dpc(ha
);
3291 int qla4xxx_post_aen_work(struct scsi_qla_host
*ha
,
3292 enum iscsi_host_event_code aen_code
,
3293 uint32_t data_size
, uint8_t *data
)
3295 struct qla4_work_evt
*e
;
3297 e
= qla4xxx_alloc_work(ha
, data_size
, QLA4_EVENT_AEN
);
3301 e
->u
.aen
.code
= aen_code
;
3302 e
->u
.aen
.data_size
= data_size
;
3303 memcpy(e
->u
.aen
.data
, data
, data_size
);
3305 qla4xxx_post_work(ha
, e
);
3310 int qla4xxx_post_ping_evt_work(struct scsi_qla_host
*ha
,
3311 uint32_t status
, uint32_t pid
,
3312 uint32_t data_size
, uint8_t *data
)
3314 struct qla4_work_evt
*e
;
3316 e
= qla4xxx_alloc_work(ha
, data_size
, QLA4_EVENT_PING_STATUS
);
3320 e
->u
.ping
.status
= status
;
3321 e
->u
.ping
.pid
= pid
;
3322 e
->u
.ping
.data_size
= data_size
;
3323 memcpy(e
->u
.ping
.data
, data
, data_size
);
3325 qla4xxx_post_work(ha
, e
);
3330 static void qla4xxx_do_work(struct scsi_qla_host
*ha
)
3332 struct qla4_work_evt
*e
, *tmp
;
3333 unsigned long flags
;
3336 spin_lock_irqsave(&ha
->work_lock
, flags
);
3337 list_splice_init(&ha
->work_list
, &work
);
3338 spin_unlock_irqrestore(&ha
->work_lock
, flags
);
3340 list_for_each_entry_safe(e
, tmp
, &work
, list
) {
3341 list_del_init(&e
->list
);
3344 case QLA4_EVENT_AEN
:
3345 iscsi_post_host_event(ha
->host_no
,
3346 &qla4xxx_iscsi_transport
,
3351 case QLA4_EVENT_PING_STATUS
:
3352 iscsi_ping_comp_event(ha
->host_no
,
3353 &qla4xxx_iscsi_transport
,
3356 e
->u
.ping
.data_size
,
3360 ql4_printk(KERN_WARNING
, ha
, "event type: 0x%x not "
3361 "supported", e
->type
);
3368 * qla4xxx_do_dpc - dpc routine
3369 * @data: in our case pointer to adapter structure
3371 * This routine is a task that is schedule by the interrupt handler
3372 * to perform the background processing for interrupts. We put it
3373 * on a task queue that is consumed whenever the scheduler runs; that's
3374 * so you can do anything (i.e. put the process to sleep etc). In fact,
3375 * the mid-level tries to sleep when it reaches the driver threshold
3376 * "host->can_queue". This can cause a panic if we were in our interrupt code.
3378 static void qla4xxx_do_dpc(struct work_struct
*work
)
3380 struct scsi_qla_host
*ha
=
3381 container_of(work
, struct scsi_qla_host
, dpc_work
);
3382 int status
= QLA_ERROR
;
3384 DEBUG2(printk("scsi%ld: %s: DPC handler waking up."
3385 "flags = 0x%08lx, dpc_flags = 0x%08lx\n",
3386 ha
->host_no
, __func__
, ha
->flags
, ha
->dpc_flags
))
3388 /* Initialization not yet finished. Don't do anything yet. */
3389 if (!test_bit(AF_INIT_DONE
, &ha
->flags
))
3392 if (test_bit(AF_EEH_BUSY
, &ha
->flags
)) {
3393 DEBUG2(printk(KERN_INFO
"scsi%ld: %s: flags = %lx\n",
3394 ha
->host_no
, __func__
, ha
->flags
));
3398 /* post events to application */
3399 qla4xxx_do_work(ha
);
3401 if (is_qla80XX(ha
)) {
3402 if (test_bit(DPC_HA_UNRECOVERABLE
, &ha
->dpc_flags
)) {
3403 if (is_qla8032(ha
)) {
3404 ql4_printk(KERN_INFO
, ha
, "%s: disabling pause transmit on port 0 & 1.\n",
3406 /* disable pause frame for ISP83xx */
3407 qla4_83xx_disable_pause(ha
);
3410 ha
->isp_ops
->idc_lock(ha
);
3411 qla4_8xxx_wr_direct(ha
, QLA8XXX_CRB_DEV_STATE
,
3412 QLA8XXX_DEV_FAILED
);
3413 ha
->isp_ops
->idc_unlock(ha
);
3414 ql4_printk(KERN_INFO
, ha
, "HW State: FAILED\n");
3415 qla4_8xxx_device_state_handler(ha
);
3418 if (test_and_clear_bit(DPC_POST_IDC_ACK
, &ha
->dpc_flags
))
3419 qla4_83xx_post_idc_ack(ha
);
3421 if (test_and_clear_bit(DPC_HA_NEED_QUIESCENT
, &ha
->dpc_flags
)) {
3422 qla4_8xxx_need_qsnt_handler(ha
);
3426 if (!test_bit(DPC_RESET_ACTIVE
, &ha
->dpc_flags
) &&
3427 (test_bit(DPC_RESET_HA
, &ha
->dpc_flags
) ||
3428 test_bit(DPC_RESET_HA_INTR
, &ha
->dpc_flags
) ||
3429 test_bit(DPC_RESET_HA_FW_CONTEXT
, &ha
->dpc_flags
))) {
3430 if ((is_qla8022(ha
) && ql4xdontresethba
) ||
3431 (is_qla8032(ha
) && qla4_83xx_idc_dontreset(ha
))) {
3432 DEBUG2(printk("scsi%ld: %s: Don't Reset HBA\n",
3433 ha
->host_no
, __func__
));
3434 clear_bit(DPC_RESET_HA
, &ha
->dpc_flags
);
3435 clear_bit(DPC_RESET_HA_INTR
, &ha
->dpc_flags
);
3436 clear_bit(DPC_RESET_HA_FW_CONTEXT
, &ha
->dpc_flags
);
3437 goto dpc_post_reset_ha
;
3439 if (test_bit(DPC_RESET_HA_FW_CONTEXT
, &ha
->dpc_flags
) ||
3440 test_bit(DPC_RESET_HA
, &ha
->dpc_flags
))
3441 qla4xxx_recover_adapter(ha
);
3443 if (test_bit(DPC_RESET_HA_INTR
, &ha
->dpc_flags
)) {
3444 uint8_t wait_time
= RESET_INTR_TOV
;
3446 while ((readw(&ha
->reg
->ctrl_status
) &
3447 (CSR_SOFT_RESET
| CSR_FORCE_SOFT_RESET
)) != 0) {
3448 if (--wait_time
== 0)
3453 DEBUG2(printk("scsi%ld: %s: SR|FSR "
3454 "bit not cleared-- resetting\n",
3455 ha
->host_no
, __func__
));
3456 qla4xxx_abort_active_cmds(ha
, DID_RESET
<< 16);
3457 if (ql4xxx_lock_drvr_wait(ha
) == QLA_SUCCESS
) {
3458 qla4xxx_process_aen(ha
, FLUSH_DDB_CHANGED_AENS
);
3459 status
= qla4xxx_recover_adapter(ha
);
3461 clear_bit(DPC_RESET_HA_INTR
, &ha
->dpc_flags
);
3462 if (status
== QLA_SUCCESS
)
3463 ha
->isp_ops
->enable_intrs(ha
);
3468 /* ---- process AEN? --- */
3469 if (test_and_clear_bit(DPC_AEN
, &ha
->dpc_flags
))
3470 qla4xxx_process_aen(ha
, PROCESS_ALL_AENS
);
3472 /* ---- Get DHCP IP Address? --- */
3473 if (test_and_clear_bit(DPC_GET_DHCP_IP_ADDR
, &ha
->dpc_flags
))
3474 qla4xxx_get_dhcp_ip_address(ha
);
3476 /* ---- relogin device? --- */
3477 if (adapter_up(ha
) &&
3478 test_and_clear_bit(DPC_RELOGIN_DEVICE
, &ha
->dpc_flags
)) {
3479 iscsi_host_for_each_session(ha
->host
, qla4xxx_dpc_relogin
);
3482 /* ---- link change? --- */
3483 if (test_and_clear_bit(DPC_LINK_CHANGED
, &ha
->dpc_flags
)) {
3484 if (!test_bit(AF_LINK_UP
, &ha
->flags
)) {
3485 /* ---- link down? --- */
3486 qla4xxx_mark_all_devices_missing(ha
);
3488 /* ---- link up? --- *
3489 * F/W will auto login to all devices ONLY ONCE after
3490 * link up during driver initialization and runtime
3491 * fatal error recovery. Therefore, the driver must
3492 * manually relogin to devices when recovering from
3493 * connection failures, logouts, expired KATO, etc. */
3494 if (test_and_clear_bit(AF_BUILD_DDB_LIST
, &ha
->flags
)) {
3495 qla4xxx_build_ddb_list(ha
, ha
->is_reset
);
3496 iscsi_host_for_each_session(ha
->host
,
3497 qla4xxx_login_flash_ddb
);
3499 qla4xxx_relogin_all_devices(ha
);
3505 * qla4xxx_free_adapter - release the adapter
3506 * @ha: pointer to adapter structure
3508 static void qla4xxx_free_adapter(struct scsi_qla_host
*ha
)
3510 qla4xxx_abort_active_cmds(ha
, DID_NO_CONNECT
<< 16);
3512 /* Turn-off interrupts on the card. */
3513 ha
->isp_ops
->disable_intrs(ha
);
3515 if (is_qla40XX(ha
)) {
3516 writel(set_rmask(CSR_SCSI_PROCESSOR_INTR
),
3517 &ha
->reg
->ctrl_status
);
3518 readl(&ha
->reg
->ctrl_status
);
3519 } else if (is_qla8022(ha
)) {
3520 writel(0, &ha
->qla4_82xx_reg
->host_int
);
3521 readl(&ha
->qla4_82xx_reg
->host_int
);
3522 } else if (is_qla8032(ha
)) {
3523 writel(0, &ha
->qla4_83xx_reg
->risc_intr
);
3524 readl(&ha
->qla4_83xx_reg
->risc_intr
);
3527 /* Remove timer thread, if present */
3528 if (ha
->timer_active
)
3529 qla4xxx_stop_timer(ha
);
3531 /* Kill the kernel thread for this host */
3533 destroy_workqueue(ha
->dpc_thread
);
3535 /* Kill the kernel thread for this host */
3537 destroy_workqueue(ha
->task_wq
);
3539 /* Put firmware in known state */
3540 ha
->isp_ops
->reset_firmware(ha
);
3542 if (is_qla80XX(ha
)) {
3543 ha
->isp_ops
->idc_lock(ha
);
3544 qla4_8xxx_clear_drv_active(ha
);
3545 ha
->isp_ops
->idc_unlock(ha
);
3548 /* Detach interrupts */
3549 qla4xxx_free_irqs(ha
);
3551 /* free extra memory */
3552 qla4xxx_mem_free(ha
);
3555 int qla4_8xxx_iospace_config(struct scsi_qla_host
*ha
)
3558 unsigned long mem_base
, mem_len
, db_base
, db_len
;
3559 struct pci_dev
*pdev
= ha
->pdev
;
3561 status
= pci_request_regions(pdev
, DRIVER_NAME
);
3564 "scsi(%ld) Failed to reserve PIO regions (%s) "
3565 "status=%d\n", ha
->host_no
, pci_name(pdev
), status
);
3566 goto iospace_error_exit
;
3569 DEBUG2(printk(KERN_INFO
"%s: revision-id=%d\n",
3570 __func__
, pdev
->revision
));
3571 ha
->revision_id
= pdev
->revision
;
3573 /* remap phys address */
3574 mem_base
= pci_resource_start(pdev
, 0); /* 0 is for BAR 0 */
3575 mem_len
= pci_resource_len(pdev
, 0);
3576 DEBUG2(printk(KERN_INFO
"%s: ioremap from %lx a size of %lx\n",
3577 __func__
, mem_base
, mem_len
));
3579 /* mapping of pcibase pointer */
3580 ha
->nx_pcibase
= (unsigned long)ioremap(mem_base
, mem_len
);
3581 if (!ha
->nx_pcibase
) {
3583 "cannot remap MMIO (%s), aborting\n", pci_name(pdev
));
3584 pci_release_regions(ha
->pdev
);
3585 goto iospace_error_exit
;
3588 /* Mapping of IO base pointer, door bell read and write pointer */
3590 /* mapping of IO base pointer */
3591 if (is_qla8022(ha
)) {
3592 ha
->qla4_82xx_reg
= (struct device_reg_82xx __iomem
*)
3593 ((uint8_t *)ha
->nx_pcibase
+ 0xbc000 +
3594 (ha
->pdev
->devfn
<< 11));
3595 ha
->nx_db_wr_ptr
= (ha
->pdev
->devfn
== 4 ? QLA82XX_CAM_RAM_DB1
:
3596 QLA82XX_CAM_RAM_DB2
);
3597 } else if (is_qla8032(ha
)) {
3598 ha
->qla4_83xx_reg
= (struct device_reg_83xx __iomem
*)
3599 ((uint8_t *)ha
->nx_pcibase
);
3602 db_base
= pci_resource_start(pdev
, 4); /* doorbell is on bar 4 */
3603 db_len
= pci_resource_len(pdev
, 4);
3611 * qla4xxx_iospace_config - maps registers
3612 * @ha: pointer to adapter structure
3614 * This routines maps HBA's registers from the pci address space
3615 * into the kernel virtual address space for memory mapped i/o.
3617 int qla4xxx_iospace_config(struct scsi_qla_host
*ha
)
3619 unsigned long pio
, pio_len
, pio_flags
;
3620 unsigned long mmio
, mmio_len
, mmio_flags
;
3622 pio
= pci_resource_start(ha
->pdev
, 0);
3623 pio_len
= pci_resource_len(ha
->pdev
, 0);
3624 pio_flags
= pci_resource_flags(ha
->pdev
, 0);
3625 if (pio_flags
& IORESOURCE_IO
) {
3626 if (pio_len
< MIN_IOBASE_LEN
) {
3627 ql4_printk(KERN_WARNING
, ha
,
3628 "Invalid PCI I/O region size\n");
3632 ql4_printk(KERN_WARNING
, ha
, "region #0 not a PIO resource\n");
3636 /* Use MMIO operations for all accesses. */
3637 mmio
= pci_resource_start(ha
->pdev
, 1);
3638 mmio_len
= pci_resource_len(ha
->pdev
, 1);
3639 mmio_flags
= pci_resource_flags(ha
->pdev
, 1);
3641 if (!(mmio_flags
& IORESOURCE_MEM
)) {
3642 ql4_printk(KERN_ERR
, ha
,
3643 "region #0 not an MMIO resource, aborting\n");
3645 goto iospace_error_exit
;
3648 if (mmio_len
< MIN_IOBASE_LEN
) {
3649 ql4_printk(KERN_ERR
, ha
,
3650 "Invalid PCI mem region size, aborting\n");
3651 goto iospace_error_exit
;
3654 if (pci_request_regions(ha
->pdev
, DRIVER_NAME
)) {
3655 ql4_printk(KERN_WARNING
, ha
,
3656 "Failed to reserve PIO/MMIO regions\n");
3658 goto iospace_error_exit
;
3661 ha
->pio_address
= pio
;
3662 ha
->pio_length
= pio_len
;
3663 ha
->reg
= ioremap(mmio
, MIN_IOBASE_LEN
);
3665 ql4_printk(KERN_ERR
, ha
,
3666 "cannot remap MMIO, aborting\n");
3668 goto iospace_error_exit
;
3677 static struct isp_operations qla4xxx_isp_ops
= {
3678 .iospace_config
= qla4xxx_iospace_config
,
3679 .pci_config
= qla4xxx_pci_config
,
3680 .disable_intrs
= qla4xxx_disable_intrs
,
3681 .enable_intrs
= qla4xxx_enable_intrs
,
3682 .start_firmware
= qla4xxx_start_firmware
,
3683 .intr_handler
= qla4xxx_intr_handler
,
3684 .interrupt_service_routine
= qla4xxx_interrupt_service_routine
,
3685 .reset_chip
= qla4xxx_soft_reset
,
3686 .reset_firmware
= qla4xxx_hw_reset
,
3687 .queue_iocb
= qla4xxx_queue_iocb
,
3688 .complete_iocb
= qla4xxx_complete_iocb
,
3689 .rd_shdw_req_q_out
= qla4xxx_rd_shdw_req_q_out
,
3690 .rd_shdw_rsp_q_in
= qla4xxx_rd_shdw_rsp_q_in
,
3691 .get_sys_info
= qla4xxx_get_sys_info
,
3692 .queue_mailbox_command
= qla4xxx_queue_mbox_cmd
,
3693 .process_mailbox_interrupt
= qla4xxx_process_mbox_intr
,
3696 static struct isp_operations qla4_82xx_isp_ops
= {
3697 .iospace_config
= qla4_8xxx_iospace_config
,
3698 .pci_config
= qla4_8xxx_pci_config
,
3699 .disable_intrs
= qla4_82xx_disable_intrs
,
3700 .enable_intrs
= qla4_82xx_enable_intrs
,
3701 .start_firmware
= qla4_8xxx_load_risc
,
3702 .restart_firmware
= qla4_82xx_try_start_fw
,
3703 .intr_handler
= qla4_82xx_intr_handler
,
3704 .interrupt_service_routine
= qla4_82xx_interrupt_service_routine
,
3705 .need_reset
= qla4_8xxx_need_reset
,
3706 .reset_chip
= qla4_82xx_isp_reset
,
3707 .reset_firmware
= qla4_8xxx_stop_firmware
,
3708 .queue_iocb
= qla4_82xx_queue_iocb
,
3709 .complete_iocb
= qla4_82xx_complete_iocb
,
3710 .rd_shdw_req_q_out
= qla4_82xx_rd_shdw_req_q_out
,
3711 .rd_shdw_rsp_q_in
= qla4_82xx_rd_shdw_rsp_q_in
,
3712 .get_sys_info
= qla4_8xxx_get_sys_info
,
3713 .rd_reg_direct
= qla4_82xx_rd_32
,
3714 .wr_reg_direct
= qla4_82xx_wr_32
,
3715 .rd_reg_indirect
= qla4_82xx_md_rd_32
,
3716 .wr_reg_indirect
= qla4_82xx_md_wr_32
,
3717 .idc_lock
= qla4_82xx_idc_lock
,
3718 .idc_unlock
= qla4_82xx_idc_unlock
,
3719 .rom_lock_recovery
= qla4_82xx_rom_lock_recovery
,
3720 .queue_mailbox_command
= qla4_82xx_queue_mbox_cmd
,
3721 .process_mailbox_interrupt
= qla4_82xx_process_mbox_intr
,
3724 static struct isp_operations qla4_83xx_isp_ops
= {
3725 .iospace_config
= qla4_8xxx_iospace_config
,
3726 .pci_config
= qla4_8xxx_pci_config
,
3727 .disable_intrs
= qla4_83xx_disable_intrs
,
3728 .enable_intrs
= qla4_83xx_enable_intrs
,
3729 .start_firmware
= qla4_8xxx_load_risc
,
3730 .restart_firmware
= qla4_83xx_start_firmware
,
3731 .intr_handler
= qla4_83xx_intr_handler
,
3732 .interrupt_service_routine
= qla4_83xx_interrupt_service_routine
,
3733 .need_reset
= qla4_8xxx_need_reset
,
3734 .reset_chip
= qla4_83xx_isp_reset
,
3735 .reset_firmware
= qla4_8xxx_stop_firmware
,
3736 .queue_iocb
= qla4_83xx_queue_iocb
,
3737 .complete_iocb
= qla4_83xx_complete_iocb
,
3738 .rd_shdw_req_q_out
= qla4_83xx_rd_shdw_req_q_out
,
3739 .rd_shdw_rsp_q_in
= qla4_83xx_rd_shdw_rsp_q_in
,
3740 .get_sys_info
= qla4_8xxx_get_sys_info
,
3741 .rd_reg_direct
= qla4_83xx_rd_reg
,
3742 .wr_reg_direct
= qla4_83xx_wr_reg
,
3743 .rd_reg_indirect
= qla4_83xx_rd_reg_indirect
,
3744 .wr_reg_indirect
= qla4_83xx_wr_reg_indirect
,
3745 .idc_lock
= qla4_83xx_drv_lock
,
3746 .idc_unlock
= qla4_83xx_drv_unlock
,
3747 .rom_lock_recovery
= qla4_83xx_rom_lock_recovery
,
3748 .queue_mailbox_command
= qla4_83xx_queue_mbox_cmd
,
3749 .process_mailbox_interrupt
= qla4_83xx_process_mbox_intr
,
3752 uint16_t qla4xxx_rd_shdw_req_q_out(struct scsi_qla_host
*ha
)
3754 return (uint16_t)le32_to_cpu(ha
->shadow_regs
->req_q_out
);
3757 uint16_t qla4_82xx_rd_shdw_req_q_out(struct scsi_qla_host
*ha
)
3759 return (uint16_t)le32_to_cpu(readl(&ha
->qla4_82xx_reg
->req_q_out
));
3762 uint16_t qla4_83xx_rd_shdw_req_q_out(struct scsi_qla_host
*ha
)
3764 return (uint16_t)le32_to_cpu(readl(&ha
->qla4_83xx_reg
->req_q_out
));
3767 uint16_t qla4xxx_rd_shdw_rsp_q_in(struct scsi_qla_host
*ha
)
3769 return (uint16_t)le32_to_cpu(ha
->shadow_regs
->rsp_q_in
);
3772 uint16_t qla4_82xx_rd_shdw_rsp_q_in(struct scsi_qla_host
*ha
)
3774 return (uint16_t)le32_to_cpu(readl(&ha
->qla4_82xx_reg
->rsp_q_in
));
3777 uint16_t qla4_83xx_rd_shdw_rsp_q_in(struct scsi_qla_host
*ha
)
3779 return (uint16_t)le32_to_cpu(readl(&ha
->qla4_83xx_reg
->rsp_q_in
));
3782 static ssize_t
qla4xxx_show_boot_eth_info(void *data
, int type
, char *buf
)
3784 struct scsi_qla_host
*ha
= data
;
3789 case ISCSI_BOOT_ETH_FLAGS
:
3790 rc
= sprintf(str
, "%d\n", SYSFS_FLAG_FW_SEL_BOOT
);
3792 case ISCSI_BOOT_ETH_INDEX
:
3793 rc
= sprintf(str
, "0\n");
3795 case ISCSI_BOOT_ETH_MAC
:
3796 rc
= sysfs_format_mac(str
, ha
->my_mac
,
3806 static umode_t
qla4xxx_eth_get_attr_visibility(void *data
, int type
)
3811 case ISCSI_BOOT_ETH_FLAGS
:
3812 case ISCSI_BOOT_ETH_MAC
:
3813 case ISCSI_BOOT_ETH_INDEX
:
3823 static ssize_t
qla4xxx_show_boot_ini_info(void *data
, int type
, char *buf
)
3825 struct scsi_qla_host
*ha
= data
;
3830 case ISCSI_BOOT_INI_INITIATOR_NAME
:
3831 rc
= sprintf(str
, "%s\n", ha
->name_string
);
3840 static umode_t
qla4xxx_ini_get_attr_visibility(void *data
, int type
)
3845 case ISCSI_BOOT_INI_INITIATOR_NAME
:
3856 qla4xxx_show_boot_tgt_info(struct ql4_boot_session_info
*boot_sess
, int type
,
3859 struct ql4_conn_info
*boot_conn
= &boot_sess
->conn_list
[0];
3864 case ISCSI_BOOT_TGT_NAME
:
3865 rc
= sprintf(buf
, "%s\n", (char *)&boot_sess
->target_name
);
3867 case ISCSI_BOOT_TGT_IP_ADDR
:
3868 if (boot_sess
->conn_list
[0].dest_ipaddr
.ip_type
== 0x1)
3869 rc
= sprintf(buf
, "%pI4\n",
3870 &boot_conn
->dest_ipaddr
.ip_address
);
3872 rc
= sprintf(str
, "%pI6\n",
3873 &boot_conn
->dest_ipaddr
.ip_address
);
3875 case ISCSI_BOOT_TGT_PORT
:
3876 rc
= sprintf(str
, "%d\n", boot_conn
->dest_port
);
3878 case ISCSI_BOOT_TGT_CHAP_NAME
:
3879 rc
= sprintf(str
, "%.*s\n",
3880 boot_conn
->chap
.target_chap_name_length
,
3881 (char *)&boot_conn
->chap
.target_chap_name
);
3883 case ISCSI_BOOT_TGT_CHAP_SECRET
:
3884 rc
= sprintf(str
, "%.*s\n",
3885 boot_conn
->chap
.target_secret_length
,
3886 (char *)&boot_conn
->chap
.target_secret
);
3888 case ISCSI_BOOT_TGT_REV_CHAP_NAME
:
3889 rc
= sprintf(str
, "%.*s\n",
3890 boot_conn
->chap
.intr_chap_name_length
,
3891 (char *)&boot_conn
->chap
.intr_chap_name
);
3893 case ISCSI_BOOT_TGT_REV_CHAP_SECRET
:
3894 rc
= sprintf(str
, "%.*s\n",
3895 boot_conn
->chap
.intr_secret_length
,
3896 (char *)&boot_conn
->chap
.intr_secret
);
3898 case ISCSI_BOOT_TGT_FLAGS
:
3899 rc
= sprintf(str
, "%d\n", SYSFS_FLAG_FW_SEL_BOOT
);
3901 case ISCSI_BOOT_TGT_NIC_ASSOC
:
3902 rc
= sprintf(str
, "0\n");
3911 static ssize_t
qla4xxx_show_boot_tgt_pri_info(void *data
, int type
, char *buf
)
3913 struct scsi_qla_host
*ha
= data
;
3914 struct ql4_boot_session_info
*boot_sess
= &(ha
->boot_tgt
.boot_pri_sess
);
3916 return qla4xxx_show_boot_tgt_info(boot_sess
, type
, buf
);
3919 static ssize_t
qla4xxx_show_boot_tgt_sec_info(void *data
, int type
, char *buf
)
3921 struct scsi_qla_host
*ha
= data
;
3922 struct ql4_boot_session_info
*boot_sess
= &(ha
->boot_tgt
.boot_sec_sess
);
3924 return qla4xxx_show_boot_tgt_info(boot_sess
, type
, buf
);
3927 static umode_t
qla4xxx_tgt_get_attr_visibility(void *data
, int type
)
3932 case ISCSI_BOOT_TGT_NAME
:
3933 case ISCSI_BOOT_TGT_IP_ADDR
:
3934 case ISCSI_BOOT_TGT_PORT
:
3935 case ISCSI_BOOT_TGT_CHAP_NAME
:
3936 case ISCSI_BOOT_TGT_CHAP_SECRET
:
3937 case ISCSI_BOOT_TGT_REV_CHAP_NAME
:
3938 case ISCSI_BOOT_TGT_REV_CHAP_SECRET
:
3939 case ISCSI_BOOT_TGT_NIC_ASSOC
:
3940 case ISCSI_BOOT_TGT_FLAGS
:
3950 static void qla4xxx_boot_release(void *data
)
3952 struct scsi_qla_host
*ha
= data
;
3954 scsi_host_put(ha
->host
);
3957 static int get_fw_boot_info(struct scsi_qla_host
*ha
, uint16_t ddb_index
[])
3960 uint32_t addr
, pri_addr
, sec_addr
;
3964 uint8_t *buf
= NULL
;
3965 size_t size
= 13 * sizeof(uint8_t);
3966 int ret
= QLA_SUCCESS
;
3968 func_num
= PCI_FUNC(ha
->pdev
->devfn
);
3970 ql4_printk(KERN_INFO
, ha
, "%s: Get FW boot info for 0x%x func %d\n",
3971 __func__
, ha
->pdev
->device
, func_num
);
3973 if (is_qla40XX(ha
)) {
3974 if (func_num
== 1) {
3975 addr
= NVRAM_PORT0_BOOT_MODE
;
3976 pri_addr
= NVRAM_PORT0_BOOT_PRI_TGT
;
3977 sec_addr
= NVRAM_PORT0_BOOT_SEC_TGT
;
3978 } else if (func_num
== 3) {
3979 addr
= NVRAM_PORT1_BOOT_MODE
;
3980 pri_addr
= NVRAM_PORT1_BOOT_PRI_TGT
;
3981 sec_addr
= NVRAM_PORT1_BOOT_SEC_TGT
;
3984 goto exit_boot_info
;
3987 /* Check Boot Mode */
3988 val
= rd_nvram_byte(ha
, addr
);
3989 if (!(val
& 0x07)) {
3990 DEBUG2(ql4_printk(KERN_INFO
, ha
, "%s: Adapter boot "
3991 "options : 0x%x\n", __func__
, val
));
3993 goto exit_boot_info
;
3996 /* get primary valid target index */
3997 val
= rd_nvram_byte(ha
, pri_addr
);
3999 ddb_index
[0] = (val
& 0x7f);
4001 /* get secondary valid target index */
4002 val
= rd_nvram_byte(ha
, sec_addr
);
4004 ddb_index
[1] = (val
& 0x7f);
4006 } else if (is_qla8022(ha
)) {
4007 buf
= dma_alloc_coherent(&ha
->pdev
->dev
, size
,
4008 &buf_dma
, GFP_KERNEL
);
4010 DEBUG2(ql4_printk(KERN_ERR
, ha
,
4011 "%s: Unable to allocate dma buffer\n",
4014 goto exit_boot_info
;
4017 if (ha
->port_num
== 0)
4018 offset
= BOOT_PARAM_OFFSET_PORT0
;
4019 else if (ha
->port_num
== 1)
4020 offset
= BOOT_PARAM_OFFSET_PORT1
;
4023 goto exit_boot_info_free
;
4025 addr
= FLASH_RAW_ACCESS_ADDR
+ (ha
->hw
.flt_iscsi_param
* 4) +
4027 if (qla4xxx_get_flash(ha
, buf_dma
, addr
,
4028 13 * sizeof(uint8_t)) != QLA_SUCCESS
) {
4029 DEBUG2(ql4_printk(KERN_ERR
, ha
, "scsi%ld: %s: Get Flash"
4030 " failed\n", ha
->host_no
, __func__
));
4032 goto exit_boot_info_free
;
4034 /* Check Boot Mode */
4035 if (!(buf
[1] & 0x07)) {
4036 DEBUG2(ql4_printk(KERN_INFO
, ha
, "Firmware boot options"
4037 " : 0x%x\n", buf
[1]));
4039 goto exit_boot_info_free
;
4042 /* get primary valid target index */
4044 ddb_index
[0] = buf
[2] & 0x7f;
4046 /* get secondary valid target index */
4047 if (buf
[11] & BIT_7
)
4048 ddb_index
[1] = buf
[11] & 0x7f;
4051 goto exit_boot_info
;
4054 DEBUG2(ql4_printk(KERN_INFO
, ha
, "%s: Primary target ID %d, Secondary"
4055 " target ID %d\n", __func__
, ddb_index
[0],
4058 exit_boot_info_free
:
4059 dma_free_coherent(&ha
->pdev
->dev
, size
, buf
, buf_dma
);
4061 ha
->pri_ddb_idx
= ddb_index
[0];
4062 ha
->sec_ddb_idx
= ddb_index
[1];
4067 * qla4xxx_get_bidi_chap - Get a BIDI CHAP user and password
4068 * @ha: pointer to adapter structure
4069 * @username: CHAP username to be returned
4070 * @password: CHAP password to be returned
4072 * If a boot entry has BIDI CHAP enabled then we need to set the BIDI CHAP
4073 * user and password in the sysfs entry in /sys/firmware/iscsi_boot#/.
4074 * So from the CHAP cache find the first BIDI CHAP entry and set it
4075 * to the boot record in sysfs.
4077 static int qla4xxx_get_bidi_chap(struct scsi_qla_host
*ha
, char *username
,
4080 int i
, ret
= -EINVAL
;
4081 int max_chap_entries
= 0;
4082 struct ql4_chap_table
*chap_table
;
4085 max_chap_entries
= (ha
->hw
.flt_chap_size
/ 2) /
4086 sizeof(struct ql4_chap_table
);
4088 max_chap_entries
= MAX_CHAP_ENTRIES_40XX
;
4090 if (!ha
->chap_list
) {
4091 ql4_printk(KERN_ERR
, ha
, "Do not have CHAP table cache\n");
4095 mutex_lock(&ha
->chap_sem
);
4096 for (i
= 0; i
< max_chap_entries
; i
++) {
4097 chap_table
= (struct ql4_chap_table
*)ha
->chap_list
+ i
;
4098 if (chap_table
->cookie
!=
4099 __constant_cpu_to_le16(CHAP_VALID_COOKIE
)) {
4103 if (chap_table
->flags
& BIT_7
) /* local */
4106 if (!(chap_table
->flags
& BIT_6
)) /* Not BIDI */
4109 strncpy(password
, chap_table
->secret
, QL4_CHAP_MAX_SECRET_LEN
);
4110 strncpy(username
, chap_table
->name
, QL4_CHAP_MAX_NAME_LEN
);
4114 mutex_unlock(&ha
->chap_sem
);
4120 static int qla4xxx_get_boot_target(struct scsi_qla_host
*ha
,
4121 struct ql4_boot_session_info
*boot_sess
,
4124 struct ql4_conn_info
*boot_conn
= &boot_sess
->conn_list
[0];
4125 struct dev_db_entry
*fw_ddb_entry
;
4126 dma_addr_t fw_ddb_entry_dma
;
4129 int ret
= QLA_SUCCESS
;
4131 fw_ddb_entry
= dma_alloc_coherent(&ha
->pdev
->dev
, sizeof(*fw_ddb_entry
),
4132 &fw_ddb_entry_dma
, GFP_KERNEL
);
4133 if (!fw_ddb_entry
) {
4134 DEBUG2(ql4_printk(KERN_ERR
, ha
,
4135 "%s: Unable to allocate dma buffer.\n",
4141 if (qla4xxx_bootdb_by_index(ha
, fw_ddb_entry
,
4142 fw_ddb_entry_dma
, ddb_index
)) {
4143 DEBUG2(ql4_printk(KERN_INFO
, ha
, "%s: No Flash DDB found at "
4144 "index [%d]\n", __func__
, ddb_index
));
4146 goto exit_boot_target
;
4149 /* Update target name and IP from DDB */
4150 memcpy(boot_sess
->target_name
, fw_ddb_entry
->iscsi_name
,
4151 min(sizeof(boot_sess
->target_name
),
4152 sizeof(fw_ddb_entry
->iscsi_name
)));
4154 options
= le16_to_cpu(fw_ddb_entry
->options
);
4155 if (options
& DDB_OPT_IPV6_DEVICE
) {
4156 memcpy(&boot_conn
->dest_ipaddr
.ip_address
,
4157 &fw_ddb_entry
->ip_addr
[0], IPv6_ADDR_LEN
);
4159 boot_conn
->dest_ipaddr
.ip_type
= 0x1;
4160 memcpy(&boot_conn
->dest_ipaddr
.ip_address
,
4161 &fw_ddb_entry
->ip_addr
[0], IP_ADDR_LEN
);
4164 boot_conn
->dest_port
= le16_to_cpu(fw_ddb_entry
->port
);
4166 /* update chap information */
4167 idx
= __le16_to_cpu(fw_ddb_entry
->chap_tbl_idx
);
4169 if (BIT_7
& le16_to_cpu(fw_ddb_entry
->iscsi_options
)) {
4171 DEBUG2(ql4_printk(KERN_INFO
, ha
, "Setting chap\n"));
4173 ret
= qla4xxx_get_chap(ha
, (char *)&boot_conn
->chap
.
4175 (char *)&boot_conn
->chap
.target_secret
,
4178 ql4_printk(KERN_ERR
, ha
, "Failed to set chap\n");
4180 goto exit_boot_target
;
4183 boot_conn
->chap
.target_chap_name_length
= QL4_CHAP_MAX_NAME_LEN
;
4184 boot_conn
->chap
.target_secret_length
= QL4_CHAP_MAX_SECRET_LEN
;
4187 if (BIT_4
& le16_to_cpu(fw_ddb_entry
->iscsi_options
)) {
4189 DEBUG2(ql4_printk(KERN_INFO
, ha
, "Setting BIDI chap\n"));
4191 ret
= qla4xxx_get_bidi_chap(ha
,
4192 (char *)&boot_conn
->chap
.intr_chap_name
,
4193 (char *)&boot_conn
->chap
.intr_secret
);
4196 ql4_printk(KERN_ERR
, ha
, "Failed to set BIDI chap\n");
4198 goto exit_boot_target
;
4201 boot_conn
->chap
.intr_chap_name_length
= QL4_CHAP_MAX_NAME_LEN
;
4202 boot_conn
->chap
.intr_secret_length
= QL4_CHAP_MAX_SECRET_LEN
;
4206 dma_free_coherent(&ha
->pdev
->dev
, sizeof(*fw_ddb_entry
),
4207 fw_ddb_entry
, fw_ddb_entry_dma
);
4211 static int qla4xxx_get_boot_info(struct scsi_qla_host
*ha
)
4213 uint16_t ddb_index
[2];
4214 int ret
= QLA_ERROR
;
4217 memset(ddb_index
, 0, sizeof(ddb_index
));
4218 ddb_index
[0] = 0xffff;
4219 ddb_index
[1] = 0xffff;
4220 ret
= get_fw_boot_info(ha
, ddb_index
);
4221 if (ret
!= QLA_SUCCESS
) {
4222 DEBUG2(ql4_printk(KERN_INFO
, ha
,
4223 "%s: No boot target configured.\n", __func__
));
4227 if (ql4xdisablesysfsboot
)
4230 if (ddb_index
[0] == 0xffff)
4233 rval
= qla4xxx_get_boot_target(ha
, &(ha
->boot_tgt
.boot_pri_sess
),
4235 if (rval
!= QLA_SUCCESS
) {
4236 DEBUG2(ql4_printk(KERN_INFO
, ha
, "%s: Primary boot target not "
4237 "configured\n", __func__
));
4242 if (ddb_index
[1] == 0xffff)
4243 goto exit_get_boot_info
;
4245 rval
= qla4xxx_get_boot_target(ha
, &(ha
->boot_tgt
.boot_sec_sess
),
4247 if (rval
!= QLA_SUCCESS
) {
4248 DEBUG2(ql4_printk(KERN_INFO
, ha
, "%s: Secondary boot target not"
4249 " configured\n", __func__
));
4257 static int qla4xxx_setup_boot_info(struct scsi_qla_host
*ha
)
4259 struct iscsi_boot_kobj
*boot_kobj
;
4261 if (qla4xxx_get_boot_info(ha
) != QLA_SUCCESS
)
4264 if (ql4xdisablesysfsboot
) {
4265 ql4_printk(KERN_INFO
, ha
,
4266 "%s: syfsboot disabled - driver will trigger login "
4267 "and publish session for discovery .\n", __func__
);
4272 ha
->boot_kset
= iscsi_boot_create_host_kset(ha
->host
->host_no
);
4276 if (!scsi_host_get(ha
->host
))
4278 boot_kobj
= iscsi_boot_create_target(ha
->boot_kset
, 0, ha
,
4279 qla4xxx_show_boot_tgt_pri_info
,
4280 qla4xxx_tgt_get_attr_visibility
,
4281 qla4xxx_boot_release
);
4285 if (!scsi_host_get(ha
->host
))
4287 boot_kobj
= iscsi_boot_create_target(ha
->boot_kset
, 1, ha
,
4288 qla4xxx_show_boot_tgt_sec_info
,
4289 qla4xxx_tgt_get_attr_visibility
,
4290 qla4xxx_boot_release
);
4294 if (!scsi_host_get(ha
->host
))
4296 boot_kobj
= iscsi_boot_create_initiator(ha
->boot_kset
, 0, ha
,
4297 qla4xxx_show_boot_ini_info
,
4298 qla4xxx_ini_get_attr_visibility
,
4299 qla4xxx_boot_release
);
4303 if (!scsi_host_get(ha
->host
))
4305 boot_kobj
= iscsi_boot_create_ethernet(ha
->boot_kset
, 0, ha
,
4306 qla4xxx_show_boot_eth_info
,
4307 qla4xxx_eth_get_attr_visibility
,
4308 qla4xxx_boot_release
);
4315 scsi_host_put(ha
->host
);
4317 iscsi_boot_destroy_kset(ha
->boot_kset
);
4323 * qla4xxx_create chap_list - Create CHAP list from FLASH
4324 * @ha: pointer to adapter structure
4326 * Read flash and make a list of CHAP entries, during login when a CHAP entry
4327 * is received, it will be checked in this list. If entry exist then the CHAP
4328 * entry index is set in the DDB. If CHAP entry does not exist in this list
4329 * then a new entry is added in FLASH in CHAP table and the index obtained is
4332 static void qla4xxx_create_chap_list(struct scsi_qla_host
*ha
)
4335 uint8_t *chap_flash_data
= NULL
;
4337 dma_addr_t chap_dma
;
4338 uint32_t chap_size
= 0;
4341 chap_size
= MAX_CHAP_ENTRIES_40XX
*
4342 sizeof(struct ql4_chap_table
);
4343 else /* Single region contains CHAP info for both
4344 * ports which is divided into half for each port.
4346 chap_size
= ha
->hw
.flt_chap_size
/ 2;
4348 chap_flash_data
= dma_alloc_coherent(&ha
->pdev
->dev
, chap_size
,
4349 &chap_dma
, GFP_KERNEL
);
4350 if (!chap_flash_data
) {
4351 ql4_printk(KERN_ERR
, ha
, "No memory for chap_flash_data\n");
4355 offset
= FLASH_CHAP_OFFSET
;
4357 offset
= FLASH_RAW_ACCESS_ADDR
+ (ha
->hw
.flt_region_chap
<< 2);
4358 if (ha
->port_num
== 1)
4359 offset
+= chap_size
;
4362 rval
= qla4xxx_get_flash(ha
, chap_dma
, offset
, chap_size
);
4363 if (rval
!= QLA_SUCCESS
)
4364 goto exit_chap_list
;
4366 if (ha
->chap_list
== NULL
)
4367 ha
->chap_list
= vmalloc(chap_size
);
4368 if (ha
->chap_list
== NULL
) {
4369 ql4_printk(KERN_ERR
, ha
, "No memory for ha->chap_list\n");
4370 goto exit_chap_list
;
4373 memcpy(ha
->chap_list
, chap_flash_data
, chap_size
);
4376 dma_free_coherent(&ha
->pdev
->dev
, chap_size
,
4377 chap_flash_data
, chap_dma
);
4380 static void qla4xxx_get_param_ddb(struct ddb_entry
*ddb_entry
,
4381 struct ql4_tuple_ddb
*tddb
)
4383 struct scsi_qla_host
*ha
;
4384 struct iscsi_cls_session
*cls_sess
;
4385 struct iscsi_cls_conn
*cls_conn
;
4386 struct iscsi_session
*sess
;
4387 struct iscsi_conn
*conn
;
4389 DEBUG2(printk(KERN_INFO
"Func: %s\n", __func__
));
4391 cls_sess
= ddb_entry
->sess
;
4392 sess
= cls_sess
->dd_data
;
4393 cls_conn
= ddb_entry
->conn
;
4394 conn
= cls_conn
->dd_data
;
4396 tddb
->tpgt
= sess
->tpgt
;
4397 tddb
->port
= conn
->persistent_port
;
4398 strncpy(tddb
->iscsi_name
, sess
->targetname
, ISCSI_NAME_SIZE
);
4399 strncpy(tddb
->ip_addr
, conn
->persistent_address
, DDB_IPADDR_LEN
);
4402 static void qla4xxx_convert_param_ddb(struct dev_db_entry
*fw_ddb_entry
,
4403 struct ql4_tuple_ddb
*tddb
,
4404 uint8_t *flash_isid
)
4406 uint16_t options
= 0;
4408 tddb
->tpgt
= le32_to_cpu(fw_ddb_entry
->tgt_portal_grp
);
4409 memcpy(&tddb
->iscsi_name
[0], &fw_ddb_entry
->iscsi_name
[0],
4410 min(sizeof(tddb
->iscsi_name
), sizeof(fw_ddb_entry
->iscsi_name
)));
4412 options
= le16_to_cpu(fw_ddb_entry
->options
);
4413 if (options
& DDB_OPT_IPV6_DEVICE
)
4414 sprintf(tddb
->ip_addr
, "%pI6", fw_ddb_entry
->ip_addr
);
4416 sprintf(tddb
->ip_addr
, "%pI4", fw_ddb_entry
->ip_addr
);
4418 tddb
->port
= le16_to_cpu(fw_ddb_entry
->port
);
4420 if (flash_isid
== NULL
)
4421 memcpy(&tddb
->isid
[0], &fw_ddb_entry
->isid
[0],
4422 sizeof(tddb
->isid
));
4424 memcpy(&tddb
->isid
[0], &flash_isid
[0], sizeof(tddb
->isid
));
4427 static int qla4xxx_compare_tuple_ddb(struct scsi_qla_host
*ha
,
4428 struct ql4_tuple_ddb
*old_tddb
,
4429 struct ql4_tuple_ddb
*new_tddb
,
4430 uint8_t is_isid_compare
)
4432 if (strcmp(old_tddb
->iscsi_name
, new_tddb
->iscsi_name
))
4435 if (strcmp(old_tddb
->ip_addr
, new_tddb
->ip_addr
))
4438 if (old_tddb
->port
!= new_tddb
->port
)
4441 /* For multi sessions, driver generates the ISID, so do not compare
4442 * ISID in reset path since it would be a comparison between the
4443 * driver generated ISID and firmware generated ISID. This could
4444 * lead to adding duplicated DDBs in the list as driver generated
4445 * ISID would not match firmware generated ISID.
4447 if (is_isid_compare
) {
4448 DEBUG2(ql4_printk(KERN_INFO
, ha
, "%s: old ISID [%02x%02x%02x"
4449 "%02x%02x%02x] New ISID [%02x%02x%02x%02x%02x%02x]\n",
4450 __func__
, old_tddb
->isid
[5], old_tddb
->isid
[4],
4451 old_tddb
->isid
[3], old_tddb
->isid
[2], old_tddb
->isid
[1],
4452 old_tddb
->isid
[0], new_tddb
->isid
[5], new_tddb
->isid
[4],
4453 new_tddb
->isid
[3], new_tddb
->isid
[2], new_tddb
->isid
[1],
4454 new_tddb
->isid
[0]));
4456 if (memcmp(&old_tddb
->isid
[0], &new_tddb
->isid
[0],
4457 sizeof(old_tddb
->isid
)))
4461 DEBUG2(ql4_printk(KERN_INFO
, ha
,
4462 "Match Found, fw[%d,%d,%s,%s], [%d,%d,%s,%s]",
4463 old_tddb
->port
, old_tddb
->tpgt
, old_tddb
->ip_addr
,
4464 old_tddb
->iscsi_name
, new_tddb
->port
, new_tddb
->tpgt
,
4465 new_tddb
->ip_addr
, new_tddb
->iscsi_name
));
4470 static int qla4xxx_is_session_exists(struct scsi_qla_host
*ha
,
4471 struct dev_db_entry
*fw_ddb_entry
)
4473 struct ddb_entry
*ddb_entry
;
4474 struct ql4_tuple_ddb
*fw_tddb
= NULL
;
4475 struct ql4_tuple_ddb
*tmp_tddb
= NULL
;
4477 int ret
= QLA_ERROR
;
4479 fw_tddb
= vzalloc(sizeof(*fw_tddb
));
4481 DEBUG2(ql4_printk(KERN_WARNING
, ha
,
4482 "Memory Allocation failed.\n"));
4487 tmp_tddb
= vzalloc(sizeof(*tmp_tddb
));
4489 DEBUG2(ql4_printk(KERN_WARNING
, ha
,
4490 "Memory Allocation failed.\n"));
4495 qla4xxx_convert_param_ddb(fw_ddb_entry
, fw_tddb
, NULL
);
4497 for (idx
= 0; idx
< MAX_DDB_ENTRIES
; idx
++) {
4498 ddb_entry
= qla4xxx_lookup_ddb_by_fw_index(ha
, idx
);
4499 if (ddb_entry
== NULL
)
4502 qla4xxx_get_param_ddb(ddb_entry
, tmp_tddb
);
4503 if (!qla4xxx_compare_tuple_ddb(ha
, fw_tddb
, tmp_tddb
, false)) {
4504 ret
= QLA_SUCCESS
; /* found */
4518 * qla4xxx_check_existing_isid - check if target with same isid exist
4520 * @list_nt: list of target
4521 * @isid: isid to check
4523 * This routine return QLA_SUCCESS if target with same isid exist
4525 static int qla4xxx_check_existing_isid(struct list_head
*list_nt
, uint8_t *isid
)
4527 struct qla_ddb_index
*nt_ddb_idx
, *nt_ddb_idx_tmp
;
4528 struct dev_db_entry
*fw_ddb_entry
;
4530 list_for_each_entry_safe(nt_ddb_idx
, nt_ddb_idx_tmp
, list_nt
, list
) {
4531 fw_ddb_entry
= &nt_ddb_idx
->fw_ddb
;
4533 if (memcmp(&fw_ddb_entry
->isid
[0], &isid
[0],
4534 sizeof(nt_ddb_idx
->fw_ddb
.isid
)) == 0) {
4542 * qla4xxx_update_isid - compare ddbs and updated isid
4543 * @ha: Pointer to host adapter structure.
4544 * @list_nt: list of nt target
4545 * @fw_ddb_entry: firmware ddb entry
4547 * This routine update isid if ddbs have same iqn, same isid and
4548 * different IP addr.
4549 * Return QLA_SUCCESS if isid is updated.
4551 static int qla4xxx_update_isid(struct scsi_qla_host
*ha
,
4552 struct list_head
*list_nt
,
4553 struct dev_db_entry
*fw_ddb_entry
)
4555 uint8_t base_value
, i
;
4557 base_value
= fw_ddb_entry
->isid
[1] & 0x1f;
4558 for (i
= 0; i
< 8; i
++) {
4559 fw_ddb_entry
->isid
[1] = (base_value
| (i
<< 5));
4560 if (qla4xxx_check_existing_isid(list_nt
, fw_ddb_entry
->isid
))
4564 if (!qla4xxx_check_existing_isid(list_nt
, fw_ddb_entry
->isid
))
4571 * qla4xxx_should_update_isid - check if isid need to update
4572 * @ha: Pointer to host adapter structure.
4573 * @old_tddb: ddb tuple
4574 * @new_tddb: ddb tuple
4576 * Return QLA_SUCCESS if different IP, different PORT, same iqn,
4579 static int qla4xxx_should_update_isid(struct scsi_qla_host
*ha
,
4580 struct ql4_tuple_ddb
*old_tddb
,
4581 struct ql4_tuple_ddb
*new_tddb
)
4583 if (strcmp(old_tddb
->ip_addr
, new_tddb
->ip_addr
) == 0) {
4585 if (old_tddb
->port
== new_tddb
->port
)
4589 if (strcmp(old_tddb
->iscsi_name
, new_tddb
->iscsi_name
))
4593 if (memcmp(&old_tddb
->isid
[0], &new_tddb
->isid
[0],
4594 sizeof(old_tddb
->isid
)))
4595 /* different isid */
4602 * qla4xxx_is_flash_ddb_exists - check if fw_ddb_entry already exists in list_nt
4603 * @ha: Pointer to host adapter structure.
4604 * @list_nt: list of nt target.
4605 * @fw_ddb_entry: firmware ddb entry.
4607 * This routine check if fw_ddb_entry already exists in list_nt to avoid
4608 * duplicate ddb in list_nt.
4609 * Return QLA_SUCCESS if duplicate ddb exit in list_nl.
4610 * Note: This function also update isid of DDB if required.
4613 static int qla4xxx_is_flash_ddb_exists(struct scsi_qla_host
*ha
,
4614 struct list_head
*list_nt
,
4615 struct dev_db_entry
*fw_ddb_entry
)
4617 struct qla_ddb_index
*nt_ddb_idx
, *nt_ddb_idx_tmp
;
4618 struct ql4_tuple_ddb
*fw_tddb
= NULL
;
4619 struct ql4_tuple_ddb
*tmp_tddb
= NULL
;
4620 int rval
, ret
= QLA_ERROR
;
4622 fw_tddb
= vzalloc(sizeof(*fw_tddb
));
4624 DEBUG2(ql4_printk(KERN_WARNING
, ha
,
4625 "Memory Allocation failed.\n"));
4630 tmp_tddb
= vzalloc(sizeof(*tmp_tddb
));
4632 DEBUG2(ql4_printk(KERN_WARNING
, ha
,
4633 "Memory Allocation failed.\n"));
4638 qla4xxx_convert_param_ddb(fw_ddb_entry
, fw_tddb
, NULL
);
4640 list_for_each_entry_safe(nt_ddb_idx
, nt_ddb_idx_tmp
, list_nt
, list
) {
4641 qla4xxx_convert_param_ddb(&nt_ddb_idx
->fw_ddb
, tmp_tddb
,
4642 nt_ddb_idx
->flash_isid
);
4643 ret
= qla4xxx_compare_tuple_ddb(ha
, fw_tddb
, tmp_tddb
, true);
4644 /* found duplicate ddb */
4645 if (ret
== QLA_SUCCESS
)
4649 list_for_each_entry_safe(nt_ddb_idx
, nt_ddb_idx_tmp
, list_nt
, list
) {
4650 qla4xxx_convert_param_ddb(&nt_ddb_idx
->fw_ddb
, tmp_tddb
, NULL
);
4652 ret
= qla4xxx_should_update_isid(ha
, tmp_tddb
, fw_tddb
);
4653 if (ret
== QLA_SUCCESS
) {
4654 rval
= qla4xxx_update_isid(ha
, list_nt
, fw_ddb_entry
);
4655 if (rval
== QLA_SUCCESS
)
4672 static void qla4xxx_free_ddb_list(struct list_head
*list_ddb
)
4674 struct qla_ddb_index
*ddb_idx
, *ddb_idx_tmp
;
4676 list_for_each_entry_safe(ddb_idx
, ddb_idx_tmp
, list_ddb
, list
) {
4677 list_del_init(&ddb_idx
->list
);
4682 static struct iscsi_endpoint
*qla4xxx_get_ep_fwdb(struct scsi_qla_host
*ha
,
4683 struct dev_db_entry
*fw_ddb_entry
)
4685 struct iscsi_endpoint
*ep
;
4686 struct sockaddr_in
*addr
;
4687 struct sockaddr_in6
*addr6
;
4688 struct sockaddr
*dst_addr
;
4691 /* TODO: need to destroy on unload iscsi_endpoint*/
4692 dst_addr
= vmalloc(sizeof(*dst_addr
));
4696 if (fw_ddb_entry
->options
& DDB_OPT_IPV6_DEVICE
) {
4697 dst_addr
->sa_family
= AF_INET6
;
4698 addr6
= (struct sockaddr_in6
*)dst_addr
;
4699 ip
= (char *)&addr6
->sin6_addr
;
4700 memcpy(ip
, fw_ddb_entry
->ip_addr
, IPv6_ADDR_LEN
);
4701 addr6
->sin6_port
= htons(le16_to_cpu(fw_ddb_entry
->port
));
4704 dst_addr
->sa_family
= AF_INET
;
4705 addr
= (struct sockaddr_in
*)dst_addr
;
4706 ip
= (char *)&addr
->sin_addr
;
4707 memcpy(ip
, fw_ddb_entry
->ip_addr
, IP_ADDR_LEN
);
4708 addr
->sin_port
= htons(le16_to_cpu(fw_ddb_entry
->port
));
4711 ep
= qla4xxx_ep_connect(ha
->host
, dst_addr
, 0);
4716 static int qla4xxx_verify_boot_idx(struct scsi_qla_host
*ha
, uint16_t idx
)
4718 if (ql4xdisablesysfsboot
)
4720 if (idx
== ha
->pri_ddb_idx
|| idx
== ha
->sec_ddb_idx
)
4725 static void qla4xxx_setup_flash_ddb_entry(struct scsi_qla_host
*ha
,
4726 struct ddb_entry
*ddb_entry
)
4728 uint16_t def_timeout
;
4730 ddb_entry
->ddb_type
= FLASH_DDB
;
4731 ddb_entry
->fw_ddb_index
= INVALID_ENTRY
;
4732 ddb_entry
->fw_ddb_device_state
= DDB_DS_NO_CONNECTION_ACTIVE
;
4734 ddb_entry
->unblock_sess
= qla4xxx_unblock_flash_ddb
;
4735 ddb_entry
->ddb_change
= qla4xxx_flash_ddb_change
;
4737 atomic_set(&ddb_entry
->retry_relogin_timer
, INVALID_ENTRY
);
4738 atomic_set(&ddb_entry
->relogin_timer
, 0);
4739 atomic_set(&ddb_entry
->relogin_retry_count
, 0);
4740 def_timeout
= le16_to_cpu(ddb_entry
->fw_ddb_entry
.def_timeout
);
4741 ddb_entry
->default_relogin_timeout
=
4742 (def_timeout
> LOGIN_TOV
) && (def_timeout
< LOGIN_TOV
* 10) ?
4743 def_timeout
: LOGIN_TOV
;
4744 ddb_entry
->default_time2wait
=
4745 le16_to_cpu(ddb_entry
->fw_ddb_entry
.iscsi_def_time2wait
);
4748 static void qla4xxx_wait_for_ip_configuration(struct scsi_qla_host
*ha
)
4751 uint32_t ip_idx
[IP_ADDR_COUNT
] = {0, 1, 2, 3}; /* 4 IP interfaces */
4752 uint32_t sts
[MBOX_REG_COUNT
];
4754 unsigned long wtime
;
4757 wtime
= jiffies
+ (HZ
* IP_CONFIG_TOV
);
4759 for (idx
= 0; idx
< IP_ADDR_COUNT
; idx
++) {
4760 if (ip_idx
[idx
] == -1)
4763 ret
= qla4xxx_get_ip_state(ha
, 0, ip_idx
[idx
], sts
);
4765 if (ret
== QLA_ERROR
) {
4770 ip_state
= (sts
[1] & IP_STATE_MASK
) >> IP_STATE_SHIFT
;
4772 DEBUG2(ql4_printk(KERN_INFO
, ha
,
4773 "Waiting for IP state for idx = %d, state = 0x%x\n",
4774 ip_idx
[idx
], ip_state
));
4775 if (ip_state
== IP_ADDRSTATE_UNCONFIGURED
||
4776 ip_state
== IP_ADDRSTATE_INVALID
||
4777 ip_state
== IP_ADDRSTATE_PREFERRED
||
4778 ip_state
== IP_ADDRSTATE_DEPRICATED
||
4779 ip_state
== IP_ADDRSTATE_DISABLING
)
4783 /* Break if all IP states checked */
4784 if ((ip_idx
[0] == -1) &&
4785 (ip_idx
[1] == -1) &&
4786 (ip_idx
[2] == -1) &&
4789 schedule_timeout_uninterruptible(HZ
);
4790 } while (time_after(wtime
, jiffies
));
4793 static void qla4xxx_build_st_list(struct scsi_qla_host
*ha
,
4794 struct list_head
*list_st
)
4796 struct qla_ddb_index
*st_ddb_idx
;
4799 struct dev_db_entry
*fw_ddb_entry
;
4800 dma_addr_t fw_ddb_dma
;
4802 uint32_t idx
= 0, next_idx
= 0;
4803 uint32_t state
= 0, conn_err
= 0;
4804 uint16_t conn_id
= 0;
4806 fw_ddb_entry
= dma_pool_alloc(ha
->fw_ddb_dma_pool
, GFP_KERNEL
,
4808 if (fw_ddb_entry
== NULL
) {
4809 DEBUG2(ql4_printk(KERN_ERR
, ha
, "Out of memory\n"));
4813 max_ddbs
= is_qla40XX(ha
) ? MAX_DEV_DB_ENTRIES_40XX
:
4815 fw_idx_size
= sizeof(struct qla_ddb_index
);
4817 for (idx
= 0; idx
< max_ddbs
; idx
= next_idx
) {
4818 ret
= qla4xxx_get_fwddb_entry(ha
, idx
, fw_ddb_entry
, fw_ddb_dma
,
4819 NULL
, &next_idx
, &state
,
4820 &conn_err
, NULL
, &conn_id
);
4821 if (ret
== QLA_ERROR
)
4824 /* Ignore DDB if invalid state (unassigned) */
4825 if (state
== DDB_DS_UNASSIGNED
)
4826 goto continue_next_st
;
4828 /* Check if ST, add to the list_st */
4829 if (strlen((char *) fw_ddb_entry
->iscsi_name
) != 0)
4830 goto continue_next_st
;
4832 st_ddb_idx
= vzalloc(fw_idx_size
);
4836 st_ddb_idx
->fw_ddb_idx
= idx
;
4838 list_add_tail(&st_ddb_idx
->list
, list_st
);
4846 dma_pool_free(ha
->fw_ddb_dma_pool
, fw_ddb_entry
, fw_ddb_dma
);
4850 * qla4xxx_remove_failed_ddb - Remove inactive or failed ddb from list
4851 * @ha: pointer to adapter structure
4852 * @list_ddb: List from which failed ddb to be removed
4854 * Iterate over the list of DDBs and find and remove DDBs that are either in
4855 * no connection active state or failed state
4857 static void qla4xxx_remove_failed_ddb(struct scsi_qla_host
*ha
,
4858 struct list_head
*list_ddb
)
4860 struct qla_ddb_index
*ddb_idx
, *ddb_idx_tmp
;
4861 uint32_t next_idx
= 0;
4862 uint32_t state
= 0, conn_err
= 0;
4865 list_for_each_entry_safe(ddb_idx
, ddb_idx_tmp
, list_ddb
, list
) {
4866 ret
= qla4xxx_get_fwddb_entry(ha
, ddb_idx
->fw_ddb_idx
,
4867 NULL
, 0, NULL
, &next_idx
, &state
,
4868 &conn_err
, NULL
, NULL
);
4869 if (ret
== QLA_ERROR
)
4872 if (state
== DDB_DS_NO_CONNECTION_ACTIVE
||
4873 state
== DDB_DS_SESSION_FAILED
) {
4874 list_del_init(&ddb_idx
->list
);
4880 static int qla4xxx_sess_conn_setup(struct scsi_qla_host
*ha
,
4881 struct dev_db_entry
*fw_ddb_entry
,
4884 struct iscsi_cls_session
*cls_sess
;
4885 struct iscsi_session
*sess
;
4886 struct iscsi_cls_conn
*cls_conn
;
4887 struct iscsi_endpoint
*ep
;
4888 uint16_t cmds_max
= 32;
4889 uint16_t conn_id
= 0;
4890 uint32_t initial_cmdsn
= 0;
4891 int ret
= QLA_SUCCESS
;
4893 struct ddb_entry
*ddb_entry
= NULL
;
4895 /* Create session object, with INVALID_ENTRY,
4896 * the targer_id would get set when we issue the login
4898 cls_sess
= iscsi_session_setup(&qla4xxx_iscsi_transport
, ha
->host
,
4899 cmds_max
, sizeof(struct ddb_entry
),
4900 sizeof(struct ql4_task_data
),
4901 initial_cmdsn
, INVALID_ENTRY
);
4908 * so calling module_put function to decrement the
4911 module_put(qla4xxx_iscsi_transport
.owner
);
4912 sess
= cls_sess
->dd_data
;
4913 ddb_entry
= sess
->dd_data
;
4914 ddb_entry
->sess
= cls_sess
;
4916 cls_sess
->recovery_tmo
= ql4xsess_recovery_tmo
;
4917 memcpy(&ddb_entry
->fw_ddb_entry
, fw_ddb_entry
,
4918 sizeof(struct dev_db_entry
));
4920 qla4xxx_setup_flash_ddb_entry(ha
, ddb_entry
);
4922 cls_conn
= iscsi_conn_setup(cls_sess
, sizeof(struct qla_conn
), conn_id
);
4929 ddb_entry
->conn
= cls_conn
;
4931 /* Setup ep, for displaying attributes in sysfs */
4932 ep
= qla4xxx_get_ep_fwdb(ha
, fw_ddb_entry
);
4934 ep
->conn
= cls_conn
;
4937 DEBUG2(ql4_printk(KERN_ERR
, ha
, "Unable to get ep\n"));
4942 /* Update sess/conn params */
4943 qla4xxx_copy_fwddb_param(ha
, fw_ddb_entry
, cls_sess
, cls_conn
);
4945 if (is_reset
== RESET_ADAPTER
) {
4946 iscsi_block_session(cls_sess
);
4947 /* Use the relogin path to discover new devices
4948 * by short-circuting the logic of setting
4949 * timer to relogin - instead set the flags
4950 * to initiate login right away.
4952 set_bit(DPC_RELOGIN_DEVICE
, &ha
->dpc_flags
);
4953 set_bit(DF_RELOGIN
, &ddb_entry
->flags
);
4960 static void qla4xxx_build_nt_list(struct scsi_qla_host
*ha
,
4961 struct list_head
*list_nt
, int is_reset
)
4963 struct dev_db_entry
*fw_ddb_entry
;
4964 dma_addr_t fw_ddb_dma
;
4968 uint32_t idx
= 0, next_idx
= 0;
4969 uint32_t state
= 0, conn_err
= 0;
4970 uint16_t conn_id
= 0;
4971 struct qla_ddb_index
*nt_ddb_idx
;
4973 fw_ddb_entry
= dma_pool_alloc(ha
->fw_ddb_dma_pool
, GFP_KERNEL
,
4975 if (fw_ddb_entry
== NULL
) {
4976 DEBUG2(ql4_printk(KERN_ERR
, ha
, "Out of memory\n"));
4979 max_ddbs
= is_qla40XX(ha
) ? MAX_DEV_DB_ENTRIES_40XX
:
4981 fw_idx_size
= sizeof(struct qla_ddb_index
);
4983 for (idx
= 0; idx
< max_ddbs
; idx
= next_idx
) {
4984 ret
= qla4xxx_get_fwddb_entry(ha
, idx
, fw_ddb_entry
, fw_ddb_dma
,
4985 NULL
, &next_idx
, &state
,
4986 &conn_err
, NULL
, &conn_id
);
4987 if (ret
== QLA_ERROR
)
4990 if (qla4xxx_verify_boot_idx(ha
, idx
) != QLA_SUCCESS
)
4991 goto continue_next_nt
;
4993 /* Check if NT, then add to list it */
4994 if (strlen((char *) fw_ddb_entry
->iscsi_name
) == 0)
4995 goto continue_next_nt
;
4997 if (!(state
== DDB_DS_NO_CONNECTION_ACTIVE
||
4998 state
== DDB_DS_SESSION_FAILED
))
4999 goto continue_next_nt
;
5001 DEBUG2(ql4_printk(KERN_INFO
, ha
,
5002 "Adding DDB to session = 0x%x\n", idx
));
5003 if (is_reset
== INIT_ADAPTER
) {
5004 nt_ddb_idx
= vmalloc(fw_idx_size
);
5008 nt_ddb_idx
->fw_ddb_idx
= idx
;
5010 /* Copy original isid as it may get updated in function
5011 * qla4xxx_update_isid(). We need original isid in
5012 * function qla4xxx_compare_tuple_ddb to find duplicate
5014 memcpy(&nt_ddb_idx
->flash_isid
[0],
5015 &fw_ddb_entry
->isid
[0],
5016 sizeof(nt_ddb_idx
->flash_isid
));
5018 ret
= qla4xxx_is_flash_ddb_exists(ha
, list_nt
,
5020 if (ret
== QLA_SUCCESS
) {
5021 /* free nt_ddb_idx and do not add to list_nt */
5023 goto continue_next_nt
;
5026 /* Copy updated isid */
5027 memcpy(&nt_ddb_idx
->fw_ddb
, fw_ddb_entry
,
5028 sizeof(struct dev_db_entry
));
5030 list_add_tail(&nt_ddb_idx
->list
, list_nt
);
5031 } else if (is_reset
== RESET_ADAPTER
) {
5032 if (qla4xxx_is_session_exists(ha
, fw_ddb_entry
) ==
5034 goto continue_next_nt
;
5037 ret
= qla4xxx_sess_conn_setup(ha
, fw_ddb_entry
, is_reset
);
5038 if (ret
== QLA_ERROR
)
5048 dma_pool_free(ha
->fw_ddb_dma_pool
, fw_ddb_entry
, fw_ddb_dma
);
5052 * qla4xxx_build_ddb_list - Build ddb list and setup sessions
5053 * @ha: pointer to adapter structure
5054 * @is_reset: Is this init path or reset path
5056 * Create a list of sendtargets (st) from firmware DDBs, issue send targets
5057 * using connection open, then create the list of normal targets (nt)
5058 * from firmware DDBs. Based on the list of nt setup session and connection
5061 void qla4xxx_build_ddb_list(struct scsi_qla_host
*ha
, int is_reset
)
5064 struct list_head list_st
, list_nt
;
5065 struct qla_ddb_index
*st_ddb_idx
, *st_ddb_idx_tmp
;
5066 unsigned long wtime
;
5068 if (!test_bit(AF_LINK_UP
, &ha
->flags
)) {
5069 set_bit(AF_BUILD_DDB_LIST
, &ha
->flags
);
5070 ha
->is_reset
= is_reset
;
5074 INIT_LIST_HEAD(&list_st
);
5075 INIT_LIST_HEAD(&list_nt
);
5077 qla4xxx_build_st_list(ha
, &list_st
);
5079 /* Before issuing conn open mbox, ensure all IPs states are configured
5080 * Note, conn open fails if IPs are not configured
5082 qla4xxx_wait_for_ip_configuration(ha
);
5084 /* Go thru the STs and fire the sendtargets by issuing conn open mbx */
5085 list_for_each_entry_safe(st_ddb_idx
, st_ddb_idx_tmp
, &list_st
, list
) {
5086 qla4xxx_conn_open(ha
, st_ddb_idx
->fw_ddb_idx
);
5089 /* Wait to ensure all sendtargets are done for min 12 sec wait */
5090 tmo
= ((ha
->def_timeout
> LOGIN_TOV
) &&
5091 (ha
->def_timeout
< LOGIN_TOV
* 10) ?
5092 ha
->def_timeout
: LOGIN_TOV
);
5094 DEBUG2(ql4_printk(KERN_INFO
, ha
,
5095 "Default time to wait for build ddb %d\n", tmo
));
5097 wtime
= jiffies
+ (HZ
* tmo
);
5099 if (list_empty(&list_st
))
5102 qla4xxx_remove_failed_ddb(ha
, &list_st
);
5103 schedule_timeout_uninterruptible(HZ
/ 10);
5104 } while (time_after(wtime
, jiffies
));
5106 /* Free up the sendtargets list */
5107 qla4xxx_free_ddb_list(&list_st
);
5109 qla4xxx_build_nt_list(ha
, &list_nt
, is_reset
);
5111 qla4xxx_free_ddb_list(&list_nt
);
5113 qla4xxx_free_ddb_index(ha
);
5117 * qla4xxx_probe_adapter - callback function to probe HBA
5118 * @pdev: pointer to pci_dev structure
5119 * @pci_device_id: pointer to pci_device entry
5121 * This routine will probe for Qlogic 4xxx iSCSI host adapters.
5122 * It returns zero if successful. It also initializes all data necessary for
5125 static int qla4xxx_probe_adapter(struct pci_dev
*pdev
,
5126 const struct pci_device_id
*ent
)
5128 int ret
= -ENODEV
, status
;
5129 struct Scsi_Host
*host
;
5130 struct scsi_qla_host
*ha
;
5131 uint8_t init_retry_count
= 0;
5133 struct qla4_8xxx_legacy_intr_set
*nx_legacy_intr
;
5136 if (pci_enable_device(pdev
))
5139 host
= iscsi_host_alloc(&qla4xxx_driver_template
, sizeof(*ha
), 0);
5142 "qla4xxx: Couldn't allocate host from scsi layer!\n");
5143 goto probe_disable_device
;
5146 /* Clear our data area */
5147 ha
= to_qla_host(host
);
5148 memset(ha
, 0, sizeof(*ha
));
5150 /* Save the information from PCI BIOS. */
5153 ha
->host_no
= host
->host_no
;
5154 ha
->func_num
= PCI_FUNC(ha
->pdev
->devfn
);
5156 pci_enable_pcie_error_reporting(pdev
);
5158 /* Setup Runtime configurable options */
5159 if (is_qla8022(ha
)) {
5160 ha
->isp_ops
= &qla4_82xx_isp_ops
;
5161 ha
->reg_tbl
= (uint32_t *) qla4_82xx_reg_tbl
;
5162 ha
->qdr_sn_window
= -1;
5163 ha
->ddr_mn_window
= -1;
5164 ha
->curr_window
= 255;
5165 nx_legacy_intr
= &legacy_intr
[ha
->func_num
];
5166 ha
->nx_legacy_intr
.int_vec_bit
= nx_legacy_intr
->int_vec_bit
;
5167 ha
->nx_legacy_intr
.tgt_status_reg
=
5168 nx_legacy_intr
->tgt_status_reg
;
5169 ha
->nx_legacy_intr
.tgt_mask_reg
= nx_legacy_intr
->tgt_mask_reg
;
5170 ha
->nx_legacy_intr
.pci_int_reg
= nx_legacy_intr
->pci_int_reg
;
5171 } else if (is_qla8032(ha
)) {
5172 ha
->isp_ops
= &qla4_83xx_isp_ops
;
5173 ha
->reg_tbl
= (uint32_t *)qla4_83xx_reg_tbl
;
5175 ha
->isp_ops
= &qla4xxx_isp_ops
;
5178 if (is_qla80XX(ha
)) {
5179 rwlock_init(&ha
->hw_lock
);
5180 ha
->pf_bit
= ha
->func_num
<< 16;
5181 /* Set EEH reset type to fundamental if required by hba */
5182 pdev
->needs_freset
= 1;
5185 /* Configure PCI I/O space. */
5186 ret
= ha
->isp_ops
->iospace_config(ha
);
5188 goto probe_failed_ioconfig
;
5190 ql4_printk(KERN_INFO
, ha
, "Found an ISP%04x, irq %d, iobase 0x%p\n",
5191 pdev
->device
, pdev
->irq
, ha
->reg
);
5193 qla4xxx_config_dma_addressing(ha
);
5195 /* Initialize lists and spinlocks. */
5196 INIT_LIST_HEAD(&ha
->free_srb_q
);
5198 mutex_init(&ha
->mbox_sem
);
5199 mutex_init(&ha
->chap_sem
);
5200 init_completion(&ha
->mbx_intr_comp
);
5201 init_completion(&ha
->disable_acb_comp
);
5203 spin_lock_init(&ha
->hardware_lock
);
5204 spin_lock_init(&ha
->work_lock
);
5206 /* Initialize work list */
5207 INIT_LIST_HEAD(&ha
->work_list
);
5209 /* Allocate dma buffers */
5210 if (qla4xxx_mem_alloc(ha
)) {
5211 ql4_printk(KERN_WARNING
, ha
,
5212 "[ERROR] Failed to allocate memory for adapter\n");
5218 host
->cmd_per_lun
= 3;
5219 host
->max_channel
= 0;
5220 host
->max_lun
= MAX_LUNS
- 1;
5221 host
->max_id
= MAX_TARGETS
;
5222 host
->max_cmd_len
= IOCB_MAX_CDB_LEN
;
5223 host
->can_queue
= MAX_SRBS
;
5224 host
->transportt
= qla4xxx_scsi_transport
;
5226 ret
= scsi_init_shared_tag_map(host
, MAX_SRBS
);
5228 ql4_printk(KERN_WARNING
, ha
,
5229 "%s: scsi_init_shared_tag_map failed\n", __func__
);
5233 pci_set_drvdata(pdev
, ha
);
5235 ret
= scsi_add_host(host
, &pdev
->dev
);
5240 qla4_8xxx_get_flash_info(ha
);
5242 if (is_qla8032(ha
)) {
5243 qla4_83xx_read_reset_template(ha
);
5245 * NOTE: If ql4dontresethba==1, set IDC_CTRL DONTRESET_BIT0.
5246 * If DONRESET_BIT0 is set, drivers should not set dev_state
5247 * to NEED_RESET. But if NEED_RESET is set, drivers should
5248 * should honor the reset.
5250 if (ql4xdontresethba
== 1)
5251 qla4_83xx_set_idc_dontreset(ha
);
5255 * Initialize the Host adapter request/response queues and
5257 * NOTE: interrupts enabled upon successful completion
5259 status
= qla4xxx_initialize_adapter(ha
, INIT_ADAPTER
);
5261 /* Dont retry adapter initialization if IRQ allocation failed */
5262 if (!test_bit(AF_IRQ_ATTACHED
, &ha
->flags
))
5263 goto skip_retry_init
;
5265 while ((!test_bit(AF_ONLINE
, &ha
->flags
)) &&
5266 init_retry_count
++ < MAX_INIT_RETRIES
) {
5268 if (is_qla80XX(ha
)) {
5269 ha
->isp_ops
->idc_lock(ha
);
5270 dev_state
= qla4_8xxx_rd_direct(ha
,
5271 QLA82XX_CRB_DEV_STATE
);
5272 ha
->isp_ops
->idc_unlock(ha
);
5273 if (dev_state
== QLA8XXX_DEV_FAILED
) {
5274 ql4_printk(KERN_WARNING
, ha
, "%s: don't retry "
5275 "initialize adapter. H/W is in failed state\n",
5280 DEBUG2(printk("scsi: %s: retrying adapter initialization "
5281 "(%d)\n", __func__
, init_retry_count
));
5283 if (ha
->isp_ops
->reset_chip(ha
) == QLA_ERROR
)
5286 status
= qla4xxx_initialize_adapter(ha
, INIT_ADAPTER
);
5290 if (!test_bit(AF_ONLINE
, &ha
->flags
)) {
5291 ql4_printk(KERN_WARNING
, ha
, "Failed to initialize adapter\n");
5293 if ((is_qla8022(ha
) && ql4xdontresethba
) ||
5294 (is_qla8032(ha
) && qla4_83xx_idc_dontreset(ha
))) {
5295 /* Put the device in failed state. */
5296 DEBUG2(printk(KERN_ERR
"HW STATE: FAILED\n"));
5297 ha
->isp_ops
->idc_lock(ha
);
5298 qla4_8xxx_wr_direct(ha
, QLA8XXX_CRB_DEV_STATE
,
5299 QLA8XXX_DEV_FAILED
);
5300 ha
->isp_ops
->idc_unlock(ha
);
5306 /* Startup the kernel thread for this host adapter. */
5307 DEBUG2(printk("scsi: %s: Starting kernel thread for "
5308 "qla4xxx_dpc\n", __func__
));
5309 sprintf(buf
, "qla4xxx_%lu_dpc", ha
->host_no
);
5310 ha
->dpc_thread
= create_singlethread_workqueue(buf
);
5311 if (!ha
->dpc_thread
) {
5312 ql4_printk(KERN_WARNING
, ha
, "Unable to start DPC thread!\n");
5316 INIT_WORK(&ha
->dpc_work
, qla4xxx_do_dpc
);
5318 sprintf(buf
, "qla4xxx_%lu_task", ha
->host_no
);
5319 ha
->task_wq
= alloc_workqueue(buf
, WQ_MEM_RECLAIM
, 1);
5321 ql4_printk(KERN_WARNING
, ha
, "Unable to start task thread!\n");
5327 * For ISP-8XXX, request_irqs is called in qla4_8xxx_load_risc
5328 * (which is called indirectly by qla4xxx_initialize_adapter),
5329 * so that irqs will be registered after crbinit but before
5332 if (is_qla40XX(ha
)) {
5333 ret
= qla4xxx_request_irqs(ha
);
5335 ql4_printk(KERN_WARNING
, ha
, "Failed to reserve "
5336 "interrupt %d already in use.\n", pdev
->irq
);
5341 pci_save_state(ha
->pdev
);
5342 ha
->isp_ops
->enable_intrs(ha
);
5344 /* Start timer thread. */
5345 qla4xxx_start_timer(ha
, qla4xxx_timer
, 1);
5347 set_bit(AF_INIT_DONE
, &ha
->flags
);
5349 qla4_8xxx_alloc_sysfs_attr(ha
);
5352 " QLogic iSCSI HBA Driver version: %s\n"
5353 " QLogic ISP%04x @ %s, host#=%ld, fw=%02d.%02d.%02d.%02d\n",
5354 qla4xxx_version_str
, ha
->pdev
->device
, pci_name(ha
->pdev
),
5355 ha
->host_no
, ha
->firmware_version
[0], ha
->firmware_version
[1],
5356 ha
->patch_number
, ha
->build_number
);
5358 /* Set the driver version */
5360 qla4_8xxx_set_param(ha
, SET_DRVR_VERSION
);
5362 if (qla4xxx_setup_boot_info(ha
))
5363 ql4_printk(KERN_ERR
, ha
,
5364 "%s: No iSCSI boot target configured\n", __func__
);
5366 /* Perform the build ddb list and login to each */
5367 qla4xxx_build_ddb_list(ha
, INIT_ADAPTER
);
5368 iscsi_host_for_each_session(ha
->host
, qla4xxx_login_flash_ddb
);
5370 qla4xxx_create_chap_list(ha
);
5372 qla4xxx_create_ifaces(ha
);
5376 scsi_remove_host(ha
->host
);
5379 qla4xxx_free_adapter(ha
);
5381 probe_failed_ioconfig
:
5382 pci_disable_pcie_error_reporting(pdev
);
5383 scsi_host_put(ha
->host
);
5385 probe_disable_device
:
5386 pci_disable_device(pdev
);
5392 * qla4xxx_prevent_other_port_reinit - prevent other port from re-initialize
5393 * @ha: pointer to adapter structure
5395 * Mark the other ISP-4xxx port to indicate that the driver is being removed,
5396 * so that the other port will not re-initialize while in the process of
5397 * removing the ha due to driver unload or hba hotplug.
5399 static void qla4xxx_prevent_other_port_reinit(struct scsi_qla_host
*ha
)
5401 struct scsi_qla_host
*other_ha
= NULL
;
5402 struct pci_dev
*other_pdev
= NULL
;
5403 int fn
= ISP4XXX_PCI_FN_2
;
5405 /*iscsi function numbers for ISP4xxx is 1 and 3*/
5406 if (PCI_FUNC(ha
->pdev
->devfn
) & BIT_1
)
5407 fn
= ISP4XXX_PCI_FN_1
;
5410 pci_get_domain_bus_and_slot(pci_domain_nr(ha
->pdev
->bus
),
5411 ha
->pdev
->bus
->number
, PCI_DEVFN(PCI_SLOT(ha
->pdev
->devfn
),
5414 /* Get other_ha if other_pdev is valid and state is enable*/
5416 if (atomic_read(&other_pdev
->enable_cnt
)) {
5417 other_ha
= pci_get_drvdata(other_pdev
);
5419 set_bit(AF_HA_REMOVAL
, &other_ha
->flags
);
5420 DEBUG2(ql4_printk(KERN_INFO
, ha
, "%s: "
5421 "Prevent %s reinit\n", __func__
,
5422 dev_name(&other_ha
->pdev
->dev
)));
5425 pci_dev_put(other_pdev
);
5429 static void qla4xxx_destroy_fw_ddb_session(struct scsi_qla_host
*ha
)
5431 struct ddb_entry
*ddb_entry
;
5435 for (idx
= 0; idx
< MAX_DDB_ENTRIES
; idx
++) {
5437 ddb_entry
= qla4xxx_lookup_ddb_by_fw_index(ha
, idx
);
5438 if ((ddb_entry
!= NULL
) &&
5439 (ddb_entry
->ddb_type
== FLASH_DDB
)) {
5441 options
= LOGOUT_OPTION_CLOSE_SESSION
;
5442 if (qla4xxx_session_logout_ddb(ha
, ddb_entry
, options
)
5444 ql4_printk(KERN_ERR
, ha
, "%s: Logout failed\n",
5447 qla4xxx_clear_ddb_entry(ha
, ddb_entry
->fw_ddb_index
);
5449 * we have decremented the reference count of the driver
5450 * when we setup the session to have the driver unload
5451 * to be seamless without actually destroying the
5454 try_module_get(qla4xxx_iscsi_transport
.owner
);
5455 iscsi_destroy_endpoint(ddb_entry
->conn
->ep
);
5456 qla4xxx_free_ddb(ha
, ddb_entry
);
5457 iscsi_session_teardown(ddb_entry
->sess
);
5462 * qla4xxx_remove_adapter - callback function to remove adapter.
5463 * @pci_dev: PCI device pointer
5465 static void qla4xxx_remove_adapter(struct pci_dev
*pdev
)
5467 struct scsi_qla_host
*ha
;
5470 * If the PCI device is disabled then it means probe_adapter had
5471 * failed and resources already cleaned up on probe_adapter exit.
5473 if (!pci_is_enabled(pdev
))
5476 ha
= pci_get_drvdata(pdev
);
5479 qla4xxx_prevent_other_port_reinit(ha
);
5481 /* destroy iface from sysfs */
5482 qla4xxx_destroy_ifaces(ha
);
5484 if ((!ql4xdisablesysfsboot
) && ha
->boot_kset
)
5485 iscsi_boot_destroy_kset(ha
->boot_kset
);
5487 qla4xxx_destroy_fw_ddb_session(ha
);
5488 qla4_8xxx_free_sysfs_attr(ha
);
5490 scsi_remove_host(ha
->host
);
5492 qla4xxx_free_adapter(ha
);
5494 scsi_host_put(ha
->host
);
5496 pci_disable_pcie_error_reporting(pdev
);
5497 pci_disable_device(pdev
);
5498 pci_set_drvdata(pdev
, NULL
);
5502 * qla4xxx_config_dma_addressing() - Configure OS DMA addressing method.
5505 * At exit, the @ha's flags.enable_64bit_addressing set to indicated
5506 * supported addressing method.
5508 static void qla4xxx_config_dma_addressing(struct scsi_qla_host
*ha
)
5512 /* Update our PCI device dma_mask for full 64 bit mask */
5513 if (pci_set_dma_mask(ha
->pdev
, DMA_BIT_MASK(64)) == 0) {
5514 if (pci_set_consistent_dma_mask(ha
->pdev
, DMA_BIT_MASK(64))) {
5515 dev_dbg(&ha
->pdev
->dev
,
5516 "Failed to set 64 bit PCI consistent mask; "
5518 retval
= pci_set_consistent_dma_mask(ha
->pdev
,
5522 retval
= pci_set_dma_mask(ha
->pdev
, DMA_BIT_MASK(32));
5525 static int qla4xxx_slave_alloc(struct scsi_device
*sdev
)
5527 struct iscsi_cls_session
*cls_sess
;
5528 struct iscsi_session
*sess
;
5529 struct ddb_entry
*ddb
;
5530 int queue_depth
= QL4_DEF_QDEPTH
;
5532 cls_sess
= starget_to_session(sdev
->sdev_target
);
5533 sess
= cls_sess
->dd_data
;
5534 ddb
= sess
->dd_data
;
5536 sdev
->hostdata
= ddb
;
5537 sdev
->tagged_supported
= 1;
5539 if (ql4xmaxqdepth
!= 0 && ql4xmaxqdepth
<= 0xffffU
)
5540 queue_depth
= ql4xmaxqdepth
;
5542 scsi_activate_tcq(sdev
, queue_depth
);
5546 static int qla4xxx_slave_configure(struct scsi_device
*sdev
)
5548 sdev
->tagged_supported
= 1;
5552 static void qla4xxx_slave_destroy(struct scsi_device
*sdev
)
5554 scsi_deactivate_tcq(sdev
, 1);
5557 static int qla4xxx_change_queue_depth(struct scsi_device
*sdev
, int qdepth
,
5560 if (!ql4xqfulltracking
)
5563 return iscsi_change_queue_depth(sdev
, qdepth
, reason
);
5567 * qla4xxx_del_from_active_array - returns an active srb
5568 * @ha: Pointer to host adapter structure.
5569 * @index: index into the active_array
5571 * This routine removes and returns the srb at the specified index
5573 struct srb
*qla4xxx_del_from_active_array(struct scsi_qla_host
*ha
,
5576 struct srb
*srb
= NULL
;
5577 struct scsi_cmnd
*cmd
= NULL
;
5579 cmd
= scsi_host_find_tag(ha
->host
, index
);
5583 srb
= (struct srb
*)CMD_SP(cmd
);
5587 /* update counters */
5588 if (srb
->flags
& SRB_DMA_VALID
) {
5589 ha
->req_q_count
+= srb
->iocb_cnt
;
5590 ha
->iocb_cnt
-= srb
->iocb_cnt
;
5592 srb
->cmd
->host_scribble
=
5593 (unsigned char *)(unsigned long) MAX_SRBS
;
5599 * qla4xxx_eh_wait_on_command - waits for command to be returned by firmware
5600 * @ha: Pointer to host adapter structure.
5601 * @cmd: Scsi Command to wait on.
5603 * This routine waits for the command to be returned by the Firmware
5604 * for some max time.
5606 static int qla4xxx_eh_wait_on_command(struct scsi_qla_host
*ha
,
5607 struct scsi_cmnd
*cmd
)
5611 uint32_t max_wait_time
= EH_WAIT_CMD_TOV
;
5614 /* Dont wait on command if PCI error is being handled
5617 if (unlikely(pci_channel_offline(ha
->pdev
)) ||
5618 (test_bit(AF_EEH_BUSY
, &ha
->flags
))) {
5619 ql4_printk(KERN_WARNING
, ha
, "scsi%ld: Return from %s\n",
5620 ha
->host_no
, __func__
);
5625 /* Checking to see if its returned to OS */
5626 rp
= (struct srb
*) CMD_SP(cmd
);
5633 } while (max_wait_time
--);
5639 * qla4xxx_wait_for_hba_online - waits for HBA to come online
5640 * @ha: Pointer to host adapter structure
5642 static int qla4xxx_wait_for_hba_online(struct scsi_qla_host
*ha
)
5644 unsigned long wait_online
;
5646 wait_online
= jiffies
+ (HBA_ONLINE_TOV
* HZ
);
5647 while (time_before(jiffies
, wait_online
)) {
5659 * qla4xxx_eh_wait_for_commands - wait for active cmds to finish.
5660 * @ha: pointer to HBA
5664 * This function waits for all outstanding commands to a lun to complete. It
5665 * returns 0 if all pending commands are returned and 1 otherwise.
5667 static int qla4xxx_eh_wait_for_commands(struct scsi_qla_host
*ha
,
5668 struct scsi_target
*stgt
,
5669 struct scsi_device
*sdev
)
5673 struct scsi_cmnd
*cmd
;
5676 * Waiting for all commands for the designated target or dev
5677 * in the active array
5679 for (cnt
= 0; cnt
< ha
->host
->can_queue
; cnt
++) {
5680 cmd
= scsi_host_find_tag(ha
->host
, cnt
);
5681 if (cmd
&& stgt
== scsi_target(cmd
->device
) &&
5682 (!sdev
|| sdev
== cmd
->device
)) {
5683 if (!qla4xxx_eh_wait_on_command(ha
, cmd
)) {
5693 * qla4xxx_eh_abort - callback for abort task.
5694 * @cmd: Pointer to Linux's SCSI command structure
5696 * This routine is called by the Linux OS to abort the specified
5699 static int qla4xxx_eh_abort(struct scsi_cmnd
*cmd
)
5701 struct scsi_qla_host
*ha
= to_qla_host(cmd
->device
->host
);
5702 unsigned int id
= cmd
->device
->id
;
5703 unsigned int lun
= cmd
->device
->lun
;
5704 unsigned long flags
;
5705 struct srb
*srb
= NULL
;
5709 ql4_printk(KERN_INFO
, ha
,
5710 "scsi%ld:%d:%d: Abort command issued cmd=%p\n",
5711 ha
->host_no
, id
, lun
, cmd
);
5713 spin_lock_irqsave(&ha
->hardware_lock
, flags
);
5714 srb
= (struct srb
*) CMD_SP(cmd
);
5716 spin_unlock_irqrestore(&ha
->hardware_lock
, flags
);
5719 kref_get(&srb
->srb_ref
);
5720 spin_unlock_irqrestore(&ha
->hardware_lock
, flags
);
5722 if (qla4xxx_abort_task(ha
, srb
) != QLA_SUCCESS
) {
5723 DEBUG3(printk("scsi%ld:%d:%d: Abort_task mbx failed.\n",
5724 ha
->host_no
, id
, lun
));
5727 DEBUG3(printk("scsi%ld:%d:%d: Abort_task mbx success.\n",
5728 ha
->host_no
, id
, lun
));
5732 kref_put(&srb
->srb_ref
, qla4xxx_srb_compl
);
5734 /* Wait for command to complete */
5736 if (!qla4xxx_eh_wait_on_command(ha
, cmd
)) {
5737 DEBUG2(printk("scsi%ld:%d:%d: Abort handler timed out\n",
5738 ha
->host_no
, id
, lun
));
5743 ql4_printk(KERN_INFO
, ha
,
5744 "scsi%ld:%d:%d: Abort command - %s\n",
5745 ha
->host_no
, id
, lun
, (ret
== SUCCESS
) ? "succeeded" : "failed");
5751 * qla4xxx_eh_device_reset - callback for target reset.
5752 * @cmd: Pointer to Linux's SCSI command structure
5754 * This routine is called by the Linux OS to reset all luns on the
5757 static int qla4xxx_eh_device_reset(struct scsi_cmnd
*cmd
)
5759 struct scsi_qla_host
*ha
= to_qla_host(cmd
->device
->host
);
5760 struct ddb_entry
*ddb_entry
= cmd
->device
->hostdata
;
5761 int ret
= FAILED
, stat
;
5766 ret
= iscsi_block_scsi_eh(cmd
);
5771 ql4_printk(KERN_INFO
, ha
,
5772 "scsi%ld:%d:%d:%d: DEVICE RESET ISSUED.\n", ha
->host_no
,
5773 cmd
->device
->channel
, cmd
->device
->id
, cmd
->device
->lun
);
5775 DEBUG2(printk(KERN_INFO
5776 "scsi%ld: DEVICE_RESET cmd=%p jiffies = 0x%lx, to=%x,"
5777 "dpc_flags=%lx, status=%x allowed=%d\n", ha
->host_no
,
5778 cmd
, jiffies
, cmd
->request
->timeout
/ HZ
,
5779 ha
->dpc_flags
, cmd
->result
, cmd
->allowed
));
5781 /* FIXME: wait for hba to go online */
5782 stat
= qla4xxx_reset_lun(ha
, ddb_entry
, cmd
->device
->lun
);
5783 if (stat
!= QLA_SUCCESS
) {
5784 ql4_printk(KERN_INFO
, ha
, "DEVICE RESET FAILED. %d\n", stat
);
5785 goto eh_dev_reset_done
;
5788 if (qla4xxx_eh_wait_for_commands(ha
, scsi_target(cmd
->device
),
5790 ql4_printk(KERN_INFO
, ha
,
5791 "DEVICE RESET FAILED - waiting for "
5793 goto eh_dev_reset_done
;
5797 if (qla4xxx_send_marker_iocb(ha
, ddb_entry
, cmd
->device
->lun
,
5798 MM_LUN_RESET
) != QLA_SUCCESS
)
5799 goto eh_dev_reset_done
;
5801 ql4_printk(KERN_INFO
, ha
,
5802 "scsi(%ld:%d:%d:%d): DEVICE RESET SUCCEEDED.\n",
5803 ha
->host_no
, cmd
->device
->channel
, cmd
->device
->id
,
5814 * qla4xxx_eh_target_reset - callback for target reset.
5815 * @cmd: Pointer to Linux's SCSI command structure
5817 * This routine is called by the Linux OS to reset the target.
5819 static int qla4xxx_eh_target_reset(struct scsi_cmnd
*cmd
)
5821 struct scsi_qla_host
*ha
= to_qla_host(cmd
->device
->host
);
5822 struct ddb_entry
*ddb_entry
= cmd
->device
->hostdata
;
5828 ret
= iscsi_block_scsi_eh(cmd
);
5832 starget_printk(KERN_INFO
, scsi_target(cmd
->device
),
5833 "WARM TARGET RESET ISSUED.\n");
5835 DEBUG2(printk(KERN_INFO
5836 "scsi%ld: TARGET_DEVICE_RESET cmd=%p jiffies = 0x%lx, "
5837 "to=%x,dpc_flags=%lx, status=%x allowed=%d\n",
5838 ha
->host_no
, cmd
, jiffies
, cmd
->request
->timeout
/ HZ
,
5839 ha
->dpc_flags
, cmd
->result
, cmd
->allowed
));
5841 stat
= qla4xxx_reset_target(ha
, ddb_entry
);
5842 if (stat
!= QLA_SUCCESS
) {
5843 starget_printk(KERN_INFO
, scsi_target(cmd
->device
),
5844 "WARM TARGET RESET FAILED.\n");
5848 if (qla4xxx_eh_wait_for_commands(ha
, scsi_target(cmd
->device
),
5850 starget_printk(KERN_INFO
, scsi_target(cmd
->device
),
5851 "WARM TARGET DEVICE RESET FAILED - "
5852 "waiting for commands.\n");
5857 if (qla4xxx_send_marker_iocb(ha
, ddb_entry
, cmd
->device
->lun
,
5858 MM_TGT_WARM_RESET
) != QLA_SUCCESS
) {
5859 starget_printk(KERN_INFO
, scsi_target(cmd
->device
),
5860 "WARM TARGET DEVICE RESET FAILED - "
5861 "marker iocb failed.\n");
5865 starget_printk(KERN_INFO
, scsi_target(cmd
->device
),
5866 "WARM TARGET RESET SUCCEEDED.\n");
5871 * qla4xxx_is_eh_active - check if error handler is running
5872 * @shost: Pointer to SCSI Host struct
5874 * This routine finds that if reset host is called in EH
5875 * scenario or from some application like sg_reset
5877 static int qla4xxx_is_eh_active(struct Scsi_Host
*shost
)
5879 if (shost
->shost_state
== SHOST_RECOVERY
)
5885 * qla4xxx_eh_host_reset - kernel callback
5886 * @cmd: Pointer to Linux's SCSI command structure
5888 * This routine is invoked by the Linux kernel to perform fatal error
5889 * recovery on the specified adapter.
5891 static int qla4xxx_eh_host_reset(struct scsi_cmnd
*cmd
)
5893 int return_status
= FAILED
;
5894 struct scsi_qla_host
*ha
;
5896 ha
= to_qla_host(cmd
->device
->host
);
5898 if (is_qla8032(ha
) && ql4xdontresethba
)
5899 qla4_83xx_set_idc_dontreset(ha
);
5902 * For ISP8324, if IDC_CTRL DONTRESET_BIT0 is set by other
5903 * protocol drivers, we should not set device_state to
5906 if (ql4xdontresethba
||
5907 (is_qla8032(ha
) && qla4_83xx_idc_dontreset(ha
))) {
5908 DEBUG2(printk("scsi%ld: %s: Don't Reset HBA\n",
5909 ha
->host_no
, __func__
));
5911 /* Clear outstanding srb in queues */
5912 if (qla4xxx_is_eh_active(cmd
->device
->host
))
5913 qla4xxx_abort_active_cmds(ha
, DID_ABORT
<< 16);
5918 ql4_printk(KERN_INFO
, ha
,
5919 "scsi(%ld:%d:%d:%d): HOST RESET ISSUED.\n", ha
->host_no
,
5920 cmd
->device
->channel
, cmd
->device
->id
, cmd
->device
->lun
);
5922 if (qla4xxx_wait_for_hba_online(ha
) != QLA_SUCCESS
) {
5923 DEBUG2(printk("scsi%ld:%d: %s: Unable to reset host. Adapter "
5924 "DEAD.\n", ha
->host_no
, cmd
->device
->channel
,
5930 if (!test_bit(DPC_RESET_HA
, &ha
->dpc_flags
)) {
5932 set_bit(DPC_RESET_HA_FW_CONTEXT
, &ha
->dpc_flags
);
5934 set_bit(DPC_RESET_HA
, &ha
->dpc_flags
);
5937 if (qla4xxx_recover_adapter(ha
) == QLA_SUCCESS
)
5938 return_status
= SUCCESS
;
5940 ql4_printk(KERN_INFO
, ha
, "HOST RESET %s.\n",
5941 return_status
== FAILED
? "FAILED" : "SUCCEEDED");
5943 return return_status
;
5946 static int qla4xxx_context_reset(struct scsi_qla_host
*ha
)
5948 uint32_t mbox_cmd
[MBOX_REG_COUNT
];
5949 uint32_t mbox_sts
[MBOX_REG_COUNT
];
5950 struct addr_ctrl_blk_def
*acb
= NULL
;
5951 uint32_t acb_len
= sizeof(struct addr_ctrl_blk_def
);
5952 int rval
= QLA_SUCCESS
;
5955 acb
= dma_alloc_coherent(&ha
->pdev
->dev
,
5956 sizeof(struct addr_ctrl_blk_def
),
5957 &acb_dma
, GFP_KERNEL
);
5959 ql4_printk(KERN_ERR
, ha
, "%s: Unable to alloc acb\n",
5962 goto exit_port_reset
;
5965 memset(acb
, 0, acb_len
);
5967 rval
= qla4xxx_get_acb(ha
, acb_dma
, PRIMARI_ACB
, acb_len
);
5968 if (rval
!= QLA_SUCCESS
) {
5973 rval
= qla4xxx_disable_acb(ha
);
5974 if (rval
!= QLA_SUCCESS
) {
5979 wait_for_completion_timeout(&ha
->disable_acb_comp
,
5980 DISABLE_ACB_TOV
* HZ
);
5982 rval
= qla4xxx_set_acb(ha
, &mbox_cmd
[0], &mbox_sts
[0], acb_dma
);
5983 if (rval
!= QLA_SUCCESS
) {
5989 dma_free_coherent(&ha
->pdev
->dev
, sizeof(struct addr_ctrl_blk_def
),
5992 DEBUG2(ql4_printk(KERN_INFO
, ha
, "%s %s\n", __func__
,
5993 rval
== QLA_SUCCESS
? "SUCCEEDED" : "FAILED"));
5997 static int qla4xxx_host_reset(struct Scsi_Host
*shost
, int reset_type
)
5999 struct scsi_qla_host
*ha
= to_qla_host(shost
);
6000 int rval
= QLA_SUCCESS
;
6002 if (ql4xdontresethba
) {
6003 DEBUG2(ql4_printk(KERN_INFO
, ha
, "%s: Don't Reset HBA\n",
6006 goto exit_host_reset
;
6009 if (test_bit(DPC_RESET_HA
, &ha
->dpc_flags
))
6010 goto recover_adapter
;
6012 switch (reset_type
) {
6013 case SCSI_ADAPTER_RESET
:
6014 set_bit(DPC_RESET_HA
, &ha
->dpc_flags
);
6016 case SCSI_FIRMWARE_RESET
:
6017 if (!test_bit(DPC_RESET_HA
, &ha
->dpc_flags
)) {
6019 /* set firmware context reset */
6020 set_bit(DPC_RESET_HA_FW_CONTEXT
,
6023 rval
= qla4xxx_context_reset(ha
);
6024 goto exit_host_reset
;
6031 rval
= qla4xxx_recover_adapter(ha
);
6032 if (rval
!= QLA_SUCCESS
) {
6033 DEBUG2(ql4_printk(KERN_INFO
, ha
, "%s: recover adapter fail\n",
6042 /* PCI AER driver recovers from all correctable errors w/o
6043 * driver intervention. For uncorrectable errors PCI AER
6044 * driver calls the following device driver's callbacks
6046 * - Fatal Errors - link_reset
6047 * - Non-Fatal Errors - driver's pci_error_detected() which
6048 * returns CAN_RECOVER, NEED_RESET or DISCONNECT.
6050 * PCI AER driver calls
6051 * CAN_RECOVER - driver's pci_mmio_enabled(), mmio_enabled
6052 * returns RECOVERED or NEED_RESET if fw_hung
6053 * NEED_RESET - driver's slot_reset()
6054 * DISCONNECT - device is dead & cannot recover
6055 * RECOVERED - driver's pci_resume()
6057 static pci_ers_result_t
6058 qla4xxx_pci_error_detected(struct pci_dev
*pdev
, pci_channel_state_t state
)
6060 struct scsi_qla_host
*ha
= pci_get_drvdata(pdev
);
6062 ql4_printk(KERN_WARNING
, ha
, "scsi%ld: %s: error detected:state %x\n",
6063 ha
->host_no
, __func__
, state
);
6065 if (!is_aer_supported(ha
))
6066 return PCI_ERS_RESULT_NONE
;
6069 case pci_channel_io_normal
:
6070 clear_bit(AF_EEH_BUSY
, &ha
->flags
);
6071 return PCI_ERS_RESULT_CAN_RECOVER
;
6072 case pci_channel_io_frozen
:
6073 set_bit(AF_EEH_BUSY
, &ha
->flags
);
6074 qla4xxx_mailbox_premature_completion(ha
);
6075 qla4xxx_free_irqs(ha
);
6076 pci_disable_device(pdev
);
6077 /* Return back all IOs */
6078 qla4xxx_abort_active_cmds(ha
, DID_RESET
<< 16);
6079 return PCI_ERS_RESULT_NEED_RESET
;
6080 case pci_channel_io_perm_failure
:
6081 set_bit(AF_EEH_BUSY
, &ha
->flags
);
6082 set_bit(AF_PCI_CHANNEL_IO_PERM_FAILURE
, &ha
->flags
);
6083 qla4xxx_abort_active_cmds(ha
, DID_NO_CONNECT
<< 16);
6084 return PCI_ERS_RESULT_DISCONNECT
;
6086 return PCI_ERS_RESULT_NEED_RESET
;
6090 * qla4xxx_pci_mmio_enabled() gets called if
6091 * qla4xxx_pci_error_detected() returns PCI_ERS_RESULT_CAN_RECOVER
6092 * and read/write to the device still works.
6094 static pci_ers_result_t
6095 qla4xxx_pci_mmio_enabled(struct pci_dev
*pdev
)
6097 struct scsi_qla_host
*ha
= pci_get_drvdata(pdev
);
6099 if (!is_aer_supported(ha
))
6100 return PCI_ERS_RESULT_NONE
;
6102 return PCI_ERS_RESULT_RECOVERED
;
6105 static uint32_t qla4_8xxx_error_recovery(struct scsi_qla_host
*ha
)
6107 uint32_t rval
= QLA_ERROR
;
6110 struct pci_dev
*other_pdev
= NULL
;
6112 ql4_printk(KERN_WARNING
, ha
, "scsi%ld: In %s\n", ha
->host_no
, __func__
);
6114 set_bit(DPC_RESET_ACTIVE
, &ha
->dpc_flags
);
6116 if (test_bit(AF_ONLINE
, &ha
->flags
)) {
6117 clear_bit(AF_ONLINE
, &ha
->flags
);
6118 clear_bit(AF_LINK_UP
, &ha
->flags
);
6119 iscsi_host_for_each_session(ha
->host
, qla4xxx_fail_session
);
6120 qla4xxx_process_aen(ha
, FLUSH_DDB_CHANGED_AENS
);
6123 fn
= PCI_FUNC(ha
->pdev
->devfn
);
6126 ql4_printk(KERN_INFO
, ha
, "scsi%ld: %s: Finding PCI device at "
6127 "func %x\n", ha
->host_no
, __func__
, fn
);
6128 /* Get the pci device given the domain, bus,
6129 * slot/function number */
6131 pci_get_domain_bus_and_slot(pci_domain_nr(ha
->pdev
->bus
),
6132 ha
->pdev
->bus
->number
, PCI_DEVFN(PCI_SLOT(ha
->pdev
->devfn
),
6138 if (atomic_read(&other_pdev
->enable_cnt
)) {
6139 ql4_printk(KERN_INFO
, ha
, "scsi%ld: %s: Found PCI "
6140 "func in enabled state%x\n", ha
->host_no
,
6142 pci_dev_put(other_pdev
);
6145 pci_dev_put(other_pdev
);
6148 /* The first function on the card, the reset owner will
6149 * start & initialize the firmware. The other functions
6150 * on the card will reset the firmware context
6153 ql4_printk(KERN_INFO
, ha
, "scsi%ld: %s: devfn being reset "
6154 "0x%x is the owner\n", ha
->host_no
, __func__
,
6157 ha
->isp_ops
->idc_lock(ha
);
6158 qla4_8xxx_wr_direct(ha
, QLA8XXX_CRB_DEV_STATE
,
6160 ha
->isp_ops
->idc_unlock(ha
);
6162 rval
= qla4_8xxx_update_idc_reg(ha
);
6163 if (rval
== QLA_ERROR
) {
6164 ql4_printk(KERN_INFO
, ha
, "scsi%ld: %s: HW State: FAILED\n",
6165 ha
->host_no
, __func__
);
6166 ha
->isp_ops
->idc_lock(ha
);
6167 qla4_8xxx_wr_direct(ha
, QLA8XXX_CRB_DEV_STATE
,
6168 QLA8XXX_DEV_FAILED
);
6169 ha
->isp_ops
->idc_unlock(ha
);
6170 goto exit_error_recovery
;
6173 clear_bit(AF_FW_RECOVERY
, &ha
->flags
);
6174 rval
= qla4xxx_initialize_adapter(ha
, RESET_ADAPTER
);
6176 if (rval
!= QLA_SUCCESS
) {
6177 ql4_printk(KERN_INFO
, ha
, "scsi%ld: %s: HW State: "
6178 "FAILED\n", ha
->host_no
, __func__
);
6179 ha
->isp_ops
->idc_lock(ha
);
6180 qla4_8xxx_clear_drv_active(ha
);
6181 qla4_8xxx_wr_direct(ha
, QLA8XXX_CRB_DEV_STATE
,
6182 QLA8XXX_DEV_FAILED
);
6183 ha
->isp_ops
->idc_unlock(ha
);
6185 ql4_printk(KERN_INFO
, ha
, "scsi%ld: %s: HW State: "
6186 "READY\n", ha
->host_no
, __func__
);
6187 ha
->isp_ops
->idc_lock(ha
);
6188 qla4_8xxx_wr_direct(ha
, QLA8XXX_CRB_DEV_STATE
,
6190 /* Clear driver state register */
6191 qla4_8xxx_wr_direct(ha
, QLA8XXX_CRB_DRV_STATE
, 0);
6192 qla4_8xxx_set_drv_active(ha
);
6193 ha
->isp_ops
->idc_unlock(ha
);
6194 ret
= qla4xxx_request_irqs(ha
);
6196 ql4_printk(KERN_WARNING
, ha
, "Failed to "
6197 "reserve interrupt %d already in use.\n",
6201 ha
->isp_ops
->enable_intrs(ha
);
6206 ql4_printk(KERN_INFO
, ha
, "scsi%ld: %s: devfn 0x%x is not "
6207 "the reset owner\n", ha
->host_no
, __func__
,
6209 if ((qla4_8xxx_rd_direct(ha
, QLA8XXX_CRB_DEV_STATE
) ==
6210 QLA8XXX_DEV_READY
)) {
6211 clear_bit(AF_FW_RECOVERY
, &ha
->flags
);
6212 rval
= qla4xxx_initialize_adapter(ha
, RESET_ADAPTER
);
6213 if (rval
== QLA_SUCCESS
) {
6214 ret
= qla4xxx_request_irqs(ha
);
6216 ql4_printk(KERN_WARNING
, ha
, "Failed to"
6217 " reserve interrupt %d already in"
6218 " use.\n", ha
->pdev
->irq
);
6221 ha
->isp_ops
->enable_intrs(ha
);
6225 ha
->isp_ops
->idc_lock(ha
);
6226 qla4_8xxx_set_drv_active(ha
);
6227 ha
->isp_ops
->idc_unlock(ha
);
6230 exit_error_recovery
:
6231 clear_bit(DPC_RESET_ACTIVE
, &ha
->dpc_flags
);
6235 static pci_ers_result_t
6236 qla4xxx_pci_slot_reset(struct pci_dev
*pdev
)
6238 pci_ers_result_t ret
= PCI_ERS_RESULT_DISCONNECT
;
6239 struct scsi_qla_host
*ha
= pci_get_drvdata(pdev
);
6242 ql4_printk(KERN_WARNING
, ha
, "scsi%ld: %s: slot_reset\n",
6243 ha
->host_no
, __func__
);
6245 if (!is_aer_supported(ha
))
6246 return PCI_ERS_RESULT_NONE
;
6248 /* Restore the saved state of PCIe device -
6249 * BAR registers, PCI Config space, PCIX, MSI,
6252 pci_restore_state(pdev
);
6254 /* pci_restore_state() clears the saved_state flag of the device
6255 * save restored state which resets saved_state flag
6257 pci_save_state(pdev
);
6259 /* Initialize device or resume if in suspended state */
6260 rc
= pci_enable_device(pdev
);
6262 ql4_printk(KERN_WARNING
, ha
, "scsi%ld: %s: Can't re-enable "
6263 "device after reset\n", ha
->host_no
, __func__
);
6264 goto exit_slot_reset
;
6267 ha
->isp_ops
->disable_intrs(ha
);
6269 if (is_qla80XX(ha
)) {
6270 if (qla4_8xxx_error_recovery(ha
) == QLA_SUCCESS
) {
6271 ret
= PCI_ERS_RESULT_RECOVERED
;
6272 goto exit_slot_reset
;
6274 goto exit_slot_reset
;
6278 ql4_printk(KERN_WARNING
, ha
, "scsi%ld: %s: Return=%x\n"
6279 "device after reset\n", ha
->host_no
, __func__
, ret
);
6284 qla4xxx_pci_resume(struct pci_dev
*pdev
)
6286 struct scsi_qla_host
*ha
= pci_get_drvdata(pdev
);
6289 ql4_printk(KERN_WARNING
, ha
, "scsi%ld: %s: pci_resume\n",
6290 ha
->host_no
, __func__
);
6292 ret
= qla4xxx_wait_for_hba_online(ha
);
6293 if (ret
!= QLA_SUCCESS
) {
6294 ql4_printk(KERN_ERR
, ha
, "scsi%ld: %s: the device failed to "
6295 "resume I/O from slot/link_reset\n", ha
->host_no
,
6299 pci_cleanup_aer_uncorrect_error_status(pdev
);
6300 clear_bit(AF_EEH_BUSY
, &ha
->flags
);
6303 static const struct pci_error_handlers qla4xxx_err_handler
= {
6304 .error_detected
= qla4xxx_pci_error_detected
,
6305 .mmio_enabled
= qla4xxx_pci_mmio_enabled
,
6306 .slot_reset
= qla4xxx_pci_slot_reset
,
6307 .resume
= qla4xxx_pci_resume
,
6310 static struct pci_device_id qla4xxx_pci_tbl
[] = {
6312 .vendor
= PCI_VENDOR_ID_QLOGIC
,
6313 .device
= PCI_DEVICE_ID_QLOGIC_ISP4010
,
6314 .subvendor
= PCI_ANY_ID
,
6315 .subdevice
= PCI_ANY_ID
,
6318 .vendor
= PCI_VENDOR_ID_QLOGIC
,
6319 .device
= PCI_DEVICE_ID_QLOGIC_ISP4022
,
6320 .subvendor
= PCI_ANY_ID
,
6321 .subdevice
= PCI_ANY_ID
,
6324 .vendor
= PCI_VENDOR_ID_QLOGIC
,
6325 .device
= PCI_DEVICE_ID_QLOGIC_ISP4032
,
6326 .subvendor
= PCI_ANY_ID
,
6327 .subdevice
= PCI_ANY_ID
,
6330 .vendor
= PCI_VENDOR_ID_QLOGIC
,
6331 .device
= PCI_DEVICE_ID_QLOGIC_ISP8022
,
6332 .subvendor
= PCI_ANY_ID
,
6333 .subdevice
= PCI_ANY_ID
,
6336 .vendor
= PCI_VENDOR_ID_QLOGIC
,
6337 .device
= PCI_DEVICE_ID_QLOGIC_ISP8324
,
6338 .subvendor
= PCI_ANY_ID
,
6339 .subdevice
= PCI_ANY_ID
,
6343 MODULE_DEVICE_TABLE(pci
, qla4xxx_pci_tbl
);
6345 static struct pci_driver qla4xxx_pci_driver
= {
6346 .name
= DRIVER_NAME
,
6347 .id_table
= qla4xxx_pci_tbl
,
6348 .probe
= qla4xxx_probe_adapter
,
6349 .remove
= qla4xxx_remove_adapter
,
6350 .err_handler
= &qla4xxx_err_handler
,
6353 static int __init
qla4xxx_module_init(void)
6357 /* Allocate cache for SRBs. */
6358 srb_cachep
= kmem_cache_create("qla4xxx_srbs", sizeof(struct srb
), 0,
6359 SLAB_HWCACHE_ALIGN
, NULL
);
6360 if (srb_cachep
== NULL
) {
6362 "%s: Unable to allocate SRB cache..."
6363 "Failing load!\n", DRIVER_NAME
);
6368 /* Derive version string. */
6369 strcpy(qla4xxx_version_str
, QLA4XXX_DRIVER_VERSION
);
6370 if (ql4xextended_error_logging
)
6371 strcat(qla4xxx_version_str
, "-debug");
6373 qla4xxx_scsi_transport
=
6374 iscsi_register_transport(&qla4xxx_iscsi_transport
);
6375 if (!qla4xxx_scsi_transport
){
6377 goto release_srb_cache
;
6380 ret
= pci_register_driver(&qla4xxx_pci_driver
);
6382 goto unregister_transport
;
6384 printk(KERN_INFO
"QLogic iSCSI HBA Driver\n");
6387 unregister_transport
:
6388 iscsi_unregister_transport(&qla4xxx_iscsi_transport
);
6390 kmem_cache_destroy(srb_cachep
);
6395 static void __exit
qla4xxx_module_exit(void)
6397 pci_unregister_driver(&qla4xxx_pci_driver
);
6398 iscsi_unregister_transport(&qla4xxx_iscsi_transport
);
6399 kmem_cache_destroy(srb_cachep
);
6402 module_init(qla4xxx_module_init
);
6403 module_exit(qla4xxx_module_exit
);
6405 MODULE_AUTHOR("QLogic Corporation");
6406 MODULE_DESCRIPTION("QLogic iSCSI HBA Driver");
6407 MODULE_LICENSE("GPL");
6408 MODULE_VERSION(QLA4XXX_DRIVER_VERSION
);