2 * QLogic iSCSI HBA Driver
3 * Copyright (c) 2003-2010 QLogic Corporation
5 * See LICENSE.qla4xxx for copyright and licensing details.
8 #include <scsi/iscsi_if.h>
12 #include "ql4_inline.h"
14 static void ql4xxx_set_mac_number(struct scsi_qla_host
*ha
)
20 /* Get the function number */
21 spin_lock_irqsave(&ha
->hardware_lock
, flags
);
22 value
= readw(&ha
->reg
->ctrl_status
);
23 spin_unlock_irqrestore(&ha
->hardware_lock
, flags
);
25 func_number
= (uint8_t) ((value
>> 4) & 0x30);
26 switch (value
& ISP_CONTROL_FN_MASK
) {
27 case ISP_CONTROL_FN0_SCSI
:
30 case ISP_CONTROL_FN1_SCSI
:
34 DEBUG2(printk("scsi%ld: %s: Invalid function number, "
35 "ispControlStatus = 0x%x\n", ha
->host_no
,
39 DEBUG2(printk("scsi%ld: %s: mac_index %d.\n", ha
->host_no
, __func__
,
44 * qla4xxx_free_ddb - deallocate ddb
45 * @ha: pointer to host adapter structure.
46 * @ddb_entry: pointer to device database entry
48 * This routine marks a DDB entry INVALID
50 void qla4xxx_free_ddb(struct scsi_qla_host
*ha
,
51 struct ddb_entry
*ddb_entry
)
53 /* Remove device pointer from index mapping arrays */
54 ha
->fw_ddb_index_map
[ddb_entry
->fw_ddb_index
] =
55 (struct ddb_entry
*) INVALID_ENTRY
;
60 * qla4xxx_init_response_q_entries() - Initializes response queue entries.
63 * Beginning of request ring has initialization control block already built
64 * by nvram config routine.
66 static void qla4xxx_init_response_q_entries(struct scsi_qla_host
*ha
)
71 pkt
= (struct response
*)ha
->response_ptr
;
72 for (cnt
= 0; cnt
< RESPONSE_QUEUE_DEPTH
; cnt
++) {
73 pkt
->signature
= RESPONSE_PROCESSED
;
79 * qla4xxx_init_rings - initialize hw queues
80 * @ha: pointer to host adapter structure.
82 * This routine initializes the internal queues for the specified adapter.
83 * The QLA4010 requires us to restart the queues at index 0.
84 * The QLA4000 doesn't care, so just default to QLA4010's requirement.
86 int qla4xxx_init_rings(struct scsi_qla_host
*ha
)
88 unsigned long flags
= 0;
91 /* Initialize request queue. */
92 spin_lock_irqsave(&ha
->hardware_lock
, flags
);
95 ha
->request_ptr
= &ha
->request_ring
[ha
->request_in
];
96 ha
->req_q_count
= REQUEST_QUEUE_DEPTH
;
98 /* Initialize response queue. */
100 ha
->response_out
= 0;
101 ha
->response_ptr
= &ha
->response_ring
[ha
->response_out
];
103 if (is_qla8022(ha
)) {
105 (unsigned long __iomem
*)&ha
->qla4_8xxx_reg
->req_q_out
);
107 (unsigned long __iomem
*)&ha
->qla4_8xxx_reg
->rsp_q_in
);
109 (unsigned long __iomem
*)&ha
->qla4_8xxx_reg
->rsp_q_out
);
112 * Initialize DMA Shadow registers. The firmware is really
113 * supposed to take care of this, but on some uniprocessor
114 * systems, the shadow registers aren't cleared-- causing
115 * the interrupt_handler to think there are responses to be
116 * processed when there aren't.
118 ha
->shadow_regs
->req_q_out
= __constant_cpu_to_le32(0);
119 ha
->shadow_regs
->rsp_q_in
= __constant_cpu_to_le32(0);
122 writel(0, &ha
->reg
->req_q_in
);
123 writel(0, &ha
->reg
->rsp_q_out
);
124 readl(&ha
->reg
->rsp_q_out
);
127 qla4xxx_init_response_q_entries(ha
);
129 /* Initialize mabilbox active array */
130 for (i
= 0; i
< MAX_MRB
; i
++)
131 ha
->active_mrb_array
[i
] = NULL
;
133 spin_unlock_irqrestore(&ha
->hardware_lock
, flags
);
139 * qla4xxx_get_sys_info - validate adapter MAC address(es)
140 * @ha: pointer to host adapter structure.
143 int qla4xxx_get_sys_info(struct scsi_qla_host
*ha
)
145 struct flash_sys_info
*sys_info
;
146 dma_addr_t sys_info_dma
;
147 int status
= QLA_ERROR
;
149 sys_info
= dma_alloc_coherent(&ha
->pdev
->dev
, sizeof(*sys_info
),
150 &sys_info_dma
, GFP_KERNEL
);
151 if (sys_info
== NULL
) {
152 DEBUG2(printk("scsi%ld: %s: Unable to allocate dma buffer.\n",
153 ha
->host_no
, __func__
));
155 goto exit_get_sys_info_no_free
;
157 memset(sys_info
, 0, sizeof(*sys_info
));
159 /* Get flash sys info */
160 if (qla4xxx_get_flash(ha
, sys_info_dma
, FLASH_OFFSET_SYS_INFO
,
161 sizeof(*sys_info
)) != QLA_SUCCESS
) {
162 DEBUG2(printk("scsi%ld: %s: get_flash FLASH_OFFSET_SYS_INFO "
163 "failed\n", ha
->host_no
, __func__
));
165 goto exit_get_sys_info
;
168 /* Save M.A.C. address & serial_number */
169 memcpy(ha
->my_mac
, &sys_info
->physAddr
[0].address
[0],
170 min(sizeof(ha
->my_mac
),
171 sizeof(sys_info
->physAddr
[0].address
)));
172 memcpy(ha
->serial_number
, &sys_info
->acSerialNumber
,
173 min(sizeof(ha
->serial_number
),
174 sizeof(sys_info
->acSerialNumber
)));
176 status
= QLA_SUCCESS
;
179 dma_free_coherent(&ha
->pdev
->dev
, sizeof(*sys_info
), sys_info
,
182 exit_get_sys_info_no_free
:
187 * qla4xxx_init_local_data - initialize adapter specific local data
188 * @ha: pointer to host adapter structure.
191 static int qla4xxx_init_local_data(struct scsi_qla_host
*ha
)
193 /* Initialize aen queue */
194 ha
->aen_q_count
= MAX_AEN_ENTRIES
;
196 return qla4xxx_get_firmware_status(ha
);
200 qla4xxx_wait_for_ip_config(struct scsi_qla_host
*ha
)
202 uint8_t ipv4_wait
= 0;
203 uint8_t ipv6_wait
= 0;
204 int8_t ip_address
[IPv6_ADDR_LEN
] = {0} ;
206 /* If both IPv4 & IPv6 are enabled, possibly only one
207 * IP address may be acquired, so check to see if we
208 * need to wait for another */
209 if (is_ipv4_enabled(ha
) && is_ipv6_enabled(ha
)) {
210 if (((ha
->addl_fw_state
& FW_ADDSTATE_DHCPv4_ENABLED
) != 0) &&
211 ((ha
->addl_fw_state
&
212 FW_ADDSTATE_DHCPv4_LEASE_ACQUIRED
) == 0)) {
215 if (((ha
->ip_config
.ipv6_addl_options
&
216 IPV6_ADDOPT_NEIGHBOR_DISCOVERY_ADDR_ENABLE
) != 0) &&
217 ((ha
->ip_config
.ipv6_link_local_state
==
218 IP_ADDRSTATE_ACQUIRING
) ||
219 (ha
->ip_config
.ipv6_addr0_state
==
220 IP_ADDRSTATE_ACQUIRING
) ||
221 (ha
->ip_config
.ipv6_addr1_state
==
222 IP_ADDRSTATE_ACQUIRING
))) {
226 if ((ha
->ip_config
.ipv6_link_local_state
==
227 IP_ADDRSTATE_PREFERRED
) ||
228 (ha
->ip_config
.ipv6_addr0_state
==
229 IP_ADDRSTATE_PREFERRED
) ||
230 (ha
->ip_config
.ipv6_addr1_state
==
231 IP_ADDRSTATE_PREFERRED
)) {
232 DEBUG2(printk(KERN_INFO
"scsi%ld: %s: "
233 "Preferred IP configured."
234 " Don't wait!\n", ha
->host_no
,
238 if (memcmp(&ha
->ip_config
.ipv6_default_router_addr
,
239 ip_address
, IPv6_ADDR_LEN
) == 0) {
240 DEBUG2(printk(KERN_INFO
"scsi%ld: %s: "
241 "No Router configured. "
242 "Don't wait!\n", ha
->host_no
,
246 if ((ha
->ip_config
.ipv6_default_router_state
==
247 IPV6_RTRSTATE_MANUAL
) &&
248 (ha
->ip_config
.ipv6_link_local_state
==
249 IP_ADDRSTATE_TENTATIVE
) &&
250 (memcmp(&ha
->ip_config
.ipv6_link_local_addr
,
251 &ha
->ip_config
.ipv6_default_router_addr
, 4) ==
253 DEBUG2(printk("scsi%ld: %s: LinkLocal Router & "
254 "IP configured. Don't wait!\n",
255 ha
->host_no
, __func__
));
259 if (ipv4_wait
|| ipv6_wait
) {
260 DEBUG2(printk("scsi%ld: %s: Wait for additional "
261 "IP(s) \"", ha
->host_no
, __func__
));
263 DEBUG2(printk("IPv4 "));
264 if (ha
->ip_config
.ipv6_link_local_state
==
265 IP_ADDRSTATE_ACQUIRING
)
266 DEBUG2(printk("IPv6LinkLocal "));
267 if (ha
->ip_config
.ipv6_addr0_state
==
268 IP_ADDRSTATE_ACQUIRING
)
269 DEBUG2(printk("IPv6Addr0 "));
270 if (ha
->ip_config
.ipv6_addr1_state
==
271 IP_ADDRSTATE_ACQUIRING
)
272 DEBUG2(printk("IPv6Addr1 "));
273 DEBUG2(printk("\"\n"));
277 return ipv4_wait
|ipv6_wait
;
281 * qla4xxx_alloc_fw_dump - Allocate memory for minidump data.
282 * @ha: pointer to host adapter structure.
284 void qla4xxx_alloc_fw_dump(struct scsi_qla_host
*ha
)
287 uint32_t capture_debug_level
;
288 int hdr_entry_bit
, k
;
290 dma_addr_t md_tmp_dma
;
291 struct qla4_8xxx_minidump_template_hdr
*md_hdr
;
294 ql4_printk(KERN_WARNING
, ha
,
295 "Firmware dump previously allocated.\n");
299 status
= qla4xxx_req_template_size(ha
);
300 if (status
!= QLA_SUCCESS
) {
301 ql4_printk(KERN_INFO
, ha
,
302 "scsi%ld: Failed to get template size\n",
307 clear_bit(AF_82XX_FW_DUMPED
, &ha
->flags
);
309 /* Allocate memory for saving the template */
310 md_tmp
= dma_alloc_coherent(&ha
->pdev
->dev
, ha
->fw_dump_tmplt_size
,
311 &md_tmp_dma
, GFP_KERNEL
);
313 /* Request template */
314 status
= qla4xxx_get_minidump_template(ha
, md_tmp_dma
);
315 if (status
!= QLA_SUCCESS
) {
316 ql4_printk(KERN_INFO
, ha
,
317 "scsi%ld: Failed to get minidump template\n",
322 md_hdr
= (struct qla4_8xxx_minidump_template_hdr
*)md_tmp
;
324 capture_debug_level
= md_hdr
->capture_debug_level
;
326 /* Get capture mask based on module loadtime setting. */
327 if (ql4xmdcapmask
>= 0x3 && ql4xmdcapmask
<= 0x7F)
328 ha
->fw_dump_capture_mask
= ql4xmdcapmask
;
330 ha
->fw_dump_capture_mask
= capture_debug_level
;
332 md_hdr
->driver_capture_mask
= ha
->fw_dump_capture_mask
;
334 DEBUG2(ql4_printk(KERN_INFO
, ha
, "Minimum num of entries = %d\n",
335 md_hdr
->num_of_entries
));
336 DEBUG2(ql4_printk(KERN_INFO
, ha
, "Dump template size = %d\n",
337 ha
->fw_dump_tmplt_size
));
338 DEBUG2(ql4_printk(KERN_INFO
, ha
, "Selected Capture mask =0x%x\n",
339 ha
->fw_dump_capture_mask
));
341 /* Calculate fw_dump_size */
342 for (hdr_entry_bit
= 0x2, k
= 1; (hdr_entry_bit
& 0xFF);
343 hdr_entry_bit
<<= 1, k
++) {
344 if (hdr_entry_bit
& ha
->fw_dump_capture_mask
)
345 ha
->fw_dump_size
+= md_hdr
->capture_size_array
[k
];
348 /* Total firmware dump size including command header */
349 ha
->fw_dump_size
+= ha
->fw_dump_tmplt_size
;
350 ha
->fw_dump
= vmalloc(ha
->fw_dump_size
);
354 DEBUG2(ql4_printk(KERN_INFO
, ha
,
355 "Minidump Tempalate Size = 0x%x KB\n",
356 ha
->fw_dump_tmplt_size
));
357 DEBUG2(ql4_printk(KERN_INFO
, ha
,
358 "Total Minidump size = 0x%x KB\n", ha
->fw_dump_size
));
360 memcpy(ha
->fw_dump
, md_tmp
, ha
->fw_dump_tmplt_size
);
361 ha
->fw_dump_tmplt_hdr
= ha
->fw_dump
;
364 dma_free_coherent(&ha
->pdev
->dev
, ha
->fw_dump_tmplt_size
,
368 static int qla4xxx_fw_ready(struct scsi_qla_host
*ha
)
370 uint32_t timeout_count
;
373 DEBUG2(ql4_printk(KERN_INFO
, ha
, "Waiting for Firmware Ready..\n"));
374 for (timeout_count
= ADAPTER_INIT_TOV
; timeout_count
> 0;
376 if (test_and_clear_bit(DPC_GET_DHCP_IP_ADDR
, &ha
->dpc_flags
))
377 qla4xxx_get_dhcp_ip_address(ha
);
379 /* Get firmware state. */
380 if (qla4xxx_get_firmware_state(ha
) != QLA_SUCCESS
) {
381 DEBUG2(printk("scsi%ld: %s: unable to get firmware "
382 "state\n", ha
->host_no
, __func__
));
386 if (ha
->firmware_state
& FW_STATE_ERROR
) {
387 DEBUG2(printk("scsi%ld: %s: an unrecoverable error has"
388 " occurred\n", ha
->host_no
, __func__
));
392 if (ha
->firmware_state
& FW_STATE_CONFIG_WAIT
) {
394 * The firmware has not yet been issued an Initialize
395 * Firmware command, so issue it now.
397 if (qla4xxx_initialize_fw_cb(ha
) == QLA_ERROR
)
400 /* Go back and test for ready state - no wait. */
404 if (ha
->firmware_state
& FW_STATE_WAIT_AUTOCONNECT
) {
405 DEBUG2(printk(KERN_INFO
"scsi%ld: %s: fwstate:"
406 "AUTOCONNECT in progress\n",
407 ha
->host_no
, __func__
));
410 if (ha
->firmware_state
& FW_STATE_CONFIGURING_IP
) {
411 DEBUG2(printk(KERN_INFO
"scsi%ld: %s: fwstate:"
413 ha
->host_no
, __func__
));
415 * Check for link state after 15 secs and if link is
416 * still DOWN then, cable is unplugged. Ignore "DHCP
417 * in Progress/CONFIGURING IP" bit to check if firmware
418 * is in ready state or not after 15 secs.
419 * This is applicable for both 2.x & 3.x firmware
421 if (timeout_count
<= (ADAPTER_INIT_TOV
- 15)) {
422 if (ha
->addl_fw_state
& FW_ADDSTATE_LINK_UP
) {
423 DEBUG2(printk(KERN_INFO
"scsi%ld: %s:"
424 " LINK UP (Cable plugged)\n",
425 ha
->host_no
, __func__
));
426 } else if (ha
->firmware_state
&
427 (FW_STATE_CONFIGURING_IP
|
429 DEBUG2(printk(KERN_INFO
"scsi%ld: %s: "
430 "LINK DOWN (Cable unplugged)\n",
431 ha
->host_no
, __func__
));
432 ha
->firmware_state
= FW_STATE_READY
;
437 if (ha
->firmware_state
== FW_STATE_READY
) {
438 /* If DHCP IP Addr is available, retrieve it now. */
439 if (test_and_clear_bit(DPC_GET_DHCP_IP_ADDR
,
441 qla4xxx_get_dhcp_ip_address(ha
);
443 if (!qla4xxx_wait_for_ip_config(ha
) ||
444 timeout_count
== 1) {
445 DEBUG2(ql4_printk(KERN_INFO
, ha
,
446 "Firmware Ready..\n"));
447 /* The firmware is ready to process SCSI
449 DEBUG2(ql4_printk(KERN_INFO
, ha
,
450 "scsi%ld: %s: MEDIA TYPE"
451 " - %s\n", ha
->host_no
,
452 __func__
, (ha
->addl_fw_state
&
453 FW_ADDSTATE_OPTICAL_MEDIA
)
454 != 0 ? "OPTICAL" : "COPPER"));
455 DEBUG2(ql4_printk(KERN_INFO
, ha
,
456 "scsi%ld: %s: DHCPv4 STATE"
457 " Enabled %s\n", ha
->host_no
,
458 __func__
, (ha
->addl_fw_state
&
459 FW_ADDSTATE_DHCPv4_ENABLED
) != 0 ?
461 DEBUG2(ql4_printk(KERN_INFO
, ha
,
462 "scsi%ld: %s: LINK %s\n",
463 ha
->host_no
, __func__
,
465 FW_ADDSTATE_LINK_UP
) != 0 ?
467 DEBUG2(ql4_printk(KERN_INFO
, ha
,
468 "scsi%ld: %s: iSNS Service "
470 ha
->host_no
, __func__
,
472 FW_ADDSTATE_ISNS_SVC_ENABLED
) != 0 ?
479 DEBUG2(printk("scsi%ld: %s: waiting on fw, state=%x:%x - "
480 "seconds expired= %d\n", ha
->host_no
, __func__
,
481 ha
->firmware_state
, ha
->addl_fw_state
,
483 if (is_qla4032(ha
) &&
484 !(ha
->addl_fw_state
& FW_ADDSTATE_LINK_UP
) &&
485 (timeout_count
< ADAPTER_INIT_TOV
- 5)) {
492 if (timeout_count
<= 0)
493 DEBUG2(printk("scsi%ld: %s: FW Initialization timed out!\n",
494 ha
->host_no
, __func__
));
496 if (ha
->firmware_state
& FW_STATE_CONFIGURING_IP
) {
497 DEBUG2(printk("scsi%ld: %s: FW initialized, but is reporting "
498 "it's waiting to configure an IP address\n",
499 ha
->host_no
, __func__
));
501 } else if (ha
->firmware_state
& FW_STATE_WAIT_AUTOCONNECT
) {
502 DEBUG2(printk("scsi%ld: %s: FW initialized, but "
503 "auto-discovery still in process\n",
504 ha
->host_no
, __func__
));
512 * qla4xxx_init_firmware - initializes the firmware.
513 * @ha: pointer to host adapter structure.
516 static int qla4xxx_init_firmware(struct scsi_qla_host
*ha
)
518 int status
= QLA_ERROR
;
520 if (is_aer_supported(ha
) &&
521 test_bit(AF_PCI_CHANNEL_IO_PERM_FAILURE
, &ha
->flags
))
524 /* For 82xx, stop firmware before initializing because if BIOS
525 * has previously initialized firmware, then driver's initialize
526 * firmware will fail. */
528 qla4_8xxx_stop_firmware(ha
);
530 ql4_printk(KERN_INFO
, ha
, "Initializing firmware..\n");
531 if (qla4xxx_initialize_fw_cb(ha
) == QLA_ERROR
) {
532 DEBUG2(printk("scsi%ld: %s: Failed to initialize firmware "
533 "control block\n", ha
->host_no
, __func__
));
537 if (!qla4xxx_fw_ready(ha
))
540 if (is_qla8022(ha
) && !test_bit(AF_INIT_DONE
, &ha
->flags
))
541 qla4xxx_alloc_fw_dump(ha
);
543 return qla4xxx_get_firmware_status(ha
);
546 static void qla4xxx_set_model_info(struct scsi_qla_host
*ha
)
548 uint16_t board_id_string
[8];
550 int size
= sizeof(ha
->nvram
->isp4022
.boardIdStr
);
551 int offset
= offsetof(struct eeprom_data
, isp4022
.boardIdStr
) / 2;
553 for (i
= 0; i
< (size
/ 2) ; i
++) {
554 board_id_string
[i
] = rd_nvram_word(ha
, offset
);
558 memcpy(ha
->model_name
, board_id_string
, size
);
561 static int qla4xxx_config_nvram(struct scsi_qla_host
*ha
)
564 union external_hw_config_reg extHwConfig
;
566 DEBUG2(printk("scsi%ld: %s: Get EEProm parameters \n", ha
->host_no
,
568 if (ql4xxx_lock_flash(ha
) != QLA_SUCCESS
)
570 if (ql4xxx_lock_nvram(ha
) != QLA_SUCCESS
) {
571 ql4xxx_unlock_flash(ha
);
575 /* Get EEPRom Parameters from NVRAM and validate */
576 ql4_printk(KERN_INFO
, ha
, "Configuring NVRAM ...\n");
577 if (qla4xxx_is_nvram_configuration_valid(ha
) == QLA_SUCCESS
) {
578 spin_lock_irqsave(&ha
->hardware_lock
, flags
);
579 extHwConfig
.Asuint32_t
=
580 rd_nvram_word(ha
, eeprom_ext_hw_conf_offset(ha
));
581 spin_unlock_irqrestore(&ha
->hardware_lock
, flags
);
583 ql4_printk(KERN_WARNING
, ha
,
584 "scsi%ld: %s: EEProm checksum invalid. "
585 "Please update your EEPROM\n", ha
->host_no
,
588 /* Attempt to set defaults */
590 extHwConfig
.Asuint32_t
= 0x1912;
591 else if (is_qla4022(ha
) | is_qla4032(ha
))
592 extHwConfig
.Asuint32_t
= 0x0023;
597 if (is_qla4022(ha
) || is_qla4032(ha
))
598 qla4xxx_set_model_info(ha
);
600 strcpy(ha
->model_name
, "QLA4010");
602 DEBUG(printk("scsi%ld: %s: Setting extHwConfig to 0xFFFF%04x\n",
603 ha
->host_no
, __func__
, extHwConfig
.Asuint32_t
));
605 spin_lock_irqsave(&ha
->hardware_lock
, flags
);
606 writel((0xFFFF << 16) | extHwConfig
.Asuint32_t
, isp_ext_hw_conf(ha
));
607 readl(isp_ext_hw_conf(ha
));
608 spin_unlock_irqrestore(&ha
->hardware_lock
, flags
);
610 ql4xxx_unlock_nvram(ha
);
611 ql4xxx_unlock_flash(ha
);
617 * qla4_8xxx_pci_config() - Setup ISP82xx PCI configuration registers.
620 void qla4_8xxx_pci_config(struct scsi_qla_host
*ha
)
622 pci_set_master(ha
->pdev
);
625 void qla4xxx_pci_config(struct scsi_qla_host
*ha
)
630 ql4_printk(KERN_INFO
, ha
, "Configuring PCI space...\n");
632 pci_set_master(ha
->pdev
);
633 status
= pci_set_mwi(ha
->pdev
);
635 * We want to respect framework's setting of PCI configuration space
636 * command register and also want to make sure that all bits of
637 * interest to us are properly set in command register.
639 pci_read_config_word(ha
->pdev
, PCI_COMMAND
, &w
);
640 w
|= PCI_COMMAND_PARITY
| PCI_COMMAND_SERR
;
641 w
&= ~PCI_COMMAND_INTX_DISABLE
;
642 pci_write_config_word(ha
->pdev
, PCI_COMMAND
, w
);
645 static int qla4xxx_start_firmware_from_flash(struct scsi_qla_host
*ha
)
647 int status
= QLA_ERROR
;
648 unsigned long max_wait_time
;
650 uint32_t mbox_status
;
652 ql4_printk(KERN_INFO
, ha
, "Starting firmware ...\n");
655 * Start firmware from flash ROM
657 * WORKAROUND: Stuff a non-constant value that the firmware can
658 * use as a seed for a random number generator in MB7 prior to
659 * setting BOOT_ENABLE. Fixes problem where the TCP
660 * connections use the same TCP ports after each reboot,
661 * causing some connections to not get re-established.
663 DEBUG(printk("scsi%d: %s: Start firmware from flash ROM\n",
664 ha
->host_no
, __func__
));
666 spin_lock_irqsave(&ha
->hardware_lock
, flags
);
667 writel(jiffies
, &ha
->reg
->mailbox
[7]);
668 if (is_qla4022(ha
) | is_qla4032(ha
))
669 writel(set_rmask(NVR_WRITE_ENABLE
),
670 &ha
->reg
->u1
.isp4022
.nvram
);
672 writel(2, &ha
->reg
->mailbox
[6]);
673 readl(&ha
->reg
->mailbox
[6]);
675 writel(set_rmask(CSR_BOOT_ENABLE
), &ha
->reg
->ctrl_status
);
676 readl(&ha
->reg
->ctrl_status
);
677 spin_unlock_irqrestore(&ha
->hardware_lock
, flags
);
679 /* Wait for firmware to come UP. */
680 DEBUG2(printk(KERN_INFO
"scsi%ld: %s: Wait up to %d seconds for "
681 "boot firmware to complete...\n",
682 ha
->host_no
, __func__
, FIRMWARE_UP_TOV
));
683 max_wait_time
= jiffies
+ (FIRMWARE_UP_TOV
* HZ
);
685 uint32_t ctrl_status
;
687 spin_lock_irqsave(&ha
->hardware_lock
, flags
);
688 ctrl_status
= readw(&ha
->reg
->ctrl_status
);
689 mbox_status
= readw(&ha
->reg
->mailbox
[0]);
690 spin_unlock_irqrestore(&ha
->hardware_lock
, flags
);
692 if (ctrl_status
& set_rmask(CSR_SCSI_PROCESSOR_INTR
))
694 if (mbox_status
== MBOX_STS_COMMAND_COMPLETE
)
697 DEBUG2(printk(KERN_INFO
"scsi%ld: %s: Waiting for boot "
698 "firmware to complete... ctrl_sts=0x%x, remaining=%ld\n",
699 ha
->host_no
, __func__
, ctrl_status
, max_wait_time
));
701 msleep_interruptible(250);
702 } while (!time_after_eq(jiffies
, max_wait_time
));
704 if (mbox_status
== MBOX_STS_COMMAND_COMPLETE
) {
705 DEBUG(printk(KERN_INFO
"scsi%ld: %s: Firmware has started\n",
706 ha
->host_no
, __func__
));
708 spin_lock_irqsave(&ha
->hardware_lock
, flags
);
709 writel(set_rmask(CSR_SCSI_PROCESSOR_INTR
),
710 &ha
->reg
->ctrl_status
);
711 readl(&ha
->reg
->ctrl_status
);
712 spin_unlock_irqrestore(&ha
->hardware_lock
, flags
);
714 status
= QLA_SUCCESS
;
716 printk(KERN_INFO
"scsi%ld: %s: Boot firmware failed "
717 "- mbox status 0x%x\n", ha
->host_no
, __func__
,
724 int ql4xxx_lock_drvr_wait(struct scsi_qla_host
*a
)
726 #define QL4_LOCK_DRVR_WAIT 60
727 #define QL4_LOCK_DRVR_SLEEP 1
729 int drvr_wait
= QL4_LOCK_DRVR_WAIT
;
731 if (ql4xxx_lock_drvr(a
) == 0) {
732 ssleep(QL4_LOCK_DRVR_SLEEP
);
734 DEBUG2(printk("scsi%ld: %s: Waiting for "
735 "Global Init Semaphore(%d)...\n",
737 __func__
, drvr_wait
));
739 drvr_wait
-= QL4_LOCK_DRVR_SLEEP
;
741 DEBUG2(printk("scsi%ld: %s: Global Init Semaphore "
742 "acquired\n", a
->host_no
, __func__
));
750 * qla4xxx_start_firmware - starts qla4xxx firmware
751 * @ha: Pointer to host adapter structure.
753 * This routine performs the necessary steps to start the firmware for
754 * the QLA4010 adapter.
756 int qla4xxx_start_firmware(struct scsi_qla_host
*ha
)
758 unsigned long flags
= 0;
759 uint32_t mbox_status
;
760 int status
= QLA_ERROR
;
764 if (is_qla4022(ha
) | is_qla4032(ha
))
765 ql4xxx_set_mac_number(ha
);
767 if (ql4xxx_lock_drvr_wait(ha
) != QLA_SUCCESS
)
770 spin_lock_irqsave(&ha
->hardware_lock
, flags
);
772 DEBUG2(printk("scsi%ld: %s: port_ctrl = 0x%08X\n", ha
->host_no
,
773 __func__
, readw(isp_port_ctrl(ha
))));
774 DEBUG(printk("scsi%ld: %s: port_status = 0x%08X\n", ha
->host_no
,
775 __func__
, readw(isp_port_status(ha
))));
777 /* Is Hardware already initialized? */
778 if ((readw(isp_port_ctrl(ha
)) & 0x8000) != 0) {
779 DEBUG(printk("scsi%ld: %s: Hardware has already been "
780 "initialized\n", ha
->host_no
, __func__
));
782 /* Receive firmware boot acknowledgement */
783 mbox_status
= readw(&ha
->reg
->mailbox
[0]);
785 DEBUG2(printk("scsi%ld: %s: H/W Config complete - mbox[0]= "
786 "0x%x\n", ha
->host_no
, __func__
, mbox_status
));
788 /* Is firmware already booted? */
789 if (mbox_status
== 0) {
790 /* F/W not running, must be config by net driver */
794 writel(set_rmask(CSR_SCSI_PROCESSOR_INTR
),
795 &ha
->reg
->ctrl_status
);
796 readl(&ha
->reg
->ctrl_status
);
797 writel(set_rmask(CSR_SCSI_COMPLETION_INTR
),
798 &ha
->reg
->ctrl_status
);
799 readl(&ha
->reg
->ctrl_status
);
800 spin_unlock_irqrestore(&ha
->hardware_lock
, flags
);
801 if (qla4xxx_get_firmware_state(ha
) == QLA_SUCCESS
) {
802 DEBUG2(printk("scsi%ld: %s: Get firmware "
803 "state -- state = 0x%x\n",
805 __func__
, ha
->firmware_state
));
807 if (ha
->firmware_state
&
808 FW_STATE_CONFIG_WAIT
) {
809 DEBUG2(printk("scsi%ld: %s: Firmware "
812 "boot, state = 0x%x\n",
813 ha
->host_no
, __func__
,
814 ha
->firmware_state
));
819 DEBUG2(printk("scsi%ld: %s: Firmware in "
820 "unknown state -- resetting,"
822 "0x%x\n", ha
->host_no
, __func__
,
823 ha
->firmware_state
));
825 spin_lock_irqsave(&ha
->hardware_lock
, flags
);
828 DEBUG(printk("scsi%ld: %s: H/W initialization hasn't been "
829 "started - resetting\n", ha
->host_no
, __func__
));
831 spin_unlock_irqrestore(&ha
->hardware_lock
, flags
);
833 DEBUG(printk("scsi%ld: %s: Flags soft_rest=%d, config= %d\n ",
834 ha
->host_no
, __func__
, soft_reset
, config_chip
));
836 DEBUG(printk("scsi%ld: %s: Issue Soft Reset\n", ha
->host_no
,
838 status
= qla4xxx_soft_reset(ha
); /* NOTE: acquires drvr
839 * lock again, but ok */
840 if (status
== QLA_ERROR
) {
841 DEBUG(printk("scsi%d: %s: Soft Reset failed!\n",
842 ha
->host_no
, __func__
));
843 ql4xxx_unlock_drvr(ha
);
848 /* Reset clears the semaphore, so acquire again */
849 if (ql4xxx_lock_drvr_wait(ha
) != QLA_SUCCESS
)
854 if ((status
= qla4xxx_config_nvram(ha
)) == QLA_SUCCESS
)
855 status
= qla4xxx_start_firmware_from_flash(ha
);
858 ql4xxx_unlock_drvr(ha
);
859 if (status
== QLA_SUCCESS
) {
860 if (test_and_clear_bit(AF_GET_CRASH_RECORD
, &ha
->flags
))
861 qla4xxx_get_crash_record(ha
);
863 DEBUG(printk("scsi%ld: %s: Firmware has NOT started\n",
864 ha
->host_no
, __func__
));
869 * qla4xxx_free_ddb_index - Free DDBs reserved by firmware
870 * @ha: pointer to adapter structure
872 * Since firmware is not running in autoconnect mode the DDB indices should
873 * be freed so that when login happens from user space there are free DDB
876 void qla4xxx_free_ddb_index(struct scsi_qla_host
*ha
)
880 uint32_t idx
= 0, next_idx
= 0;
881 uint32_t state
= 0, conn_err
= 0;
883 max_ddbs
= is_qla40XX(ha
) ? MAX_DEV_DB_ENTRIES_40XX
:
886 for (idx
= 0; idx
< max_ddbs
; idx
= next_idx
) {
887 ret
= qla4xxx_get_fwddb_entry(ha
, idx
, NULL
, 0, NULL
,
888 &next_idx
, &state
, &conn_err
,
890 if (ret
== QLA_ERROR
) {
894 if (state
== DDB_DS_NO_CONNECTION_ACTIVE
||
895 state
== DDB_DS_SESSION_FAILED
) {
896 DEBUG2(ql4_printk(KERN_INFO
, ha
,
897 "Freeing DDB index = 0x%x\n", idx
));
898 ret
= qla4xxx_clear_ddb_entry(ha
, idx
);
899 if (ret
== QLA_ERROR
)
900 ql4_printk(KERN_ERR
, ha
,
901 "Unable to clear DDB index = "
910 * qla4xxx_initialize_adapter - initiailizes hba
911 * @ha: Pointer to host adapter structure.
913 * This routine parforms all of the steps necessary to initialize the adapter.
916 int qla4xxx_initialize_adapter(struct scsi_qla_host
*ha
, int is_reset
)
918 int status
= QLA_ERROR
;
920 ha
->eeprom_cmd_data
= 0;
922 ql4_printk(KERN_INFO
, ha
, "Configuring PCI space...\n");
923 ha
->isp_ops
->pci_config(ha
);
925 ha
->isp_ops
->disable_intrs(ha
);
927 /* Initialize the Host adapter request/response queues and firmware */
928 if (ha
->isp_ops
->start_firmware(ha
) == QLA_ERROR
)
931 if (qla4xxx_about_firmware(ha
) == QLA_ERROR
)
934 if (ha
->isp_ops
->get_sys_info(ha
) == QLA_ERROR
)
937 if (qla4xxx_init_local_data(ha
) == QLA_ERROR
)
940 status
= qla4xxx_init_firmware(ha
);
941 if (status
== QLA_ERROR
)
944 if (is_reset
== RESET_ADAPTER
)
945 qla4xxx_build_ddb_list(ha
, is_reset
);
947 set_bit(AF_ONLINE
, &ha
->flags
);
949 if (is_qla8022(ha
) && (status
== QLA_ERROR
)) {
950 /* Since interrupts are registered in start_firmware for
951 * 82xx, release them here if initialize_adapter fails */
952 qla4xxx_free_irqs(ha
);
955 DEBUG2(printk("scsi%ld: initialize adapter: %s\n", ha
->host_no
,
956 status
== QLA_ERROR
? "FAILED" : "SUCCEEDED"));
960 int qla4xxx_ddb_change(struct scsi_qla_host
*ha
, uint32_t fw_ddb_index
,
961 struct ddb_entry
*ddb_entry
, uint32_t state
)
963 uint32_t old_fw_ddb_device_state
;
964 int status
= QLA_ERROR
;
966 old_fw_ddb_device_state
= ddb_entry
->fw_ddb_device_state
;
967 DEBUG2(ql4_printk(KERN_INFO
, ha
,
968 "%s: DDB - old state = 0x%x, new state = 0x%x for "
969 "index [%d]\n", __func__
,
970 ddb_entry
->fw_ddb_device_state
, state
, fw_ddb_index
));
972 ddb_entry
->fw_ddb_device_state
= state
;
974 switch (old_fw_ddb_device_state
) {
975 case DDB_DS_LOGIN_IN_PROCESS
:
977 case DDB_DS_SESSION_ACTIVE
:
978 case DDB_DS_DISCOVERY
:
979 qla4xxx_update_session_conn_param(ha
, ddb_entry
);
980 ddb_entry
->unblock_sess(ddb_entry
->sess
);
981 status
= QLA_SUCCESS
;
983 case DDB_DS_SESSION_FAILED
:
984 case DDB_DS_NO_CONNECTION_ACTIVE
:
985 iscsi_conn_login_event(ddb_entry
->conn
,
986 ISCSI_CONN_STATE_FREE
);
987 status
= QLA_SUCCESS
;
991 case DDB_DS_SESSION_ACTIVE
:
992 case DDB_DS_DISCOVERY
:
994 case DDB_DS_SESSION_FAILED
:
996 * iscsi_session failure will cause userspace to
997 * stop the connection which in turn would block the
998 * iscsi_session and start relogin
1000 iscsi_session_failure(ddb_entry
->sess
->dd_data
,
1001 ISCSI_ERR_CONN_FAILED
);
1002 status
= QLA_SUCCESS
;
1004 case DDB_DS_NO_CONNECTION_ACTIVE
:
1005 clear_bit(fw_ddb_index
, ha
->ddb_idx_map
);
1006 status
= QLA_SUCCESS
;
1010 case DDB_DS_SESSION_FAILED
:
1012 case DDB_DS_SESSION_ACTIVE
:
1013 case DDB_DS_DISCOVERY
:
1014 ddb_entry
->unblock_sess(ddb_entry
->sess
);
1015 qla4xxx_update_session_conn_param(ha
, ddb_entry
);
1016 status
= QLA_SUCCESS
;
1018 case DDB_DS_SESSION_FAILED
:
1019 iscsi_session_failure(ddb_entry
->sess
->dd_data
,
1020 ISCSI_ERR_CONN_FAILED
);
1021 status
= QLA_SUCCESS
;
1026 DEBUG2(ql4_printk(KERN_INFO
, ha
, "%s: Unknown Event\n",
1033 void qla4xxx_arm_relogin_timer(struct ddb_entry
*ddb_entry
)
1036 * This triggers a relogin. After the relogin_timer
1037 * expires, the relogin gets scheduled. We must wait a
1038 * minimum amount of time since receiving an 0x8014 AEN
1039 * with failed device_state or a logout response before
1040 * we can issue another relogin.
1042 * Firmware pads this timeout: (time2wait +1).
1043 * Driver retry to login should be longer than F/W.
1044 * Otherwise F/W will fail
1045 * set_ddb() mbx cmd with 0x4005 since it still
1046 * counting down its time2wait.
1048 atomic_set(&ddb_entry
->relogin_timer
, 0);
1049 atomic_set(&ddb_entry
->retry_relogin_timer
,
1050 ddb_entry
->default_time2wait
+ 4);
1054 int qla4xxx_flash_ddb_change(struct scsi_qla_host
*ha
, uint32_t fw_ddb_index
,
1055 struct ddb_entry
*ddb_entry
, uint32_t state
)
1057 uint32_t old_fw_ddb_device_state
;
1058 int status
= QLA_ERROR
;
1060 old_fw_ddb_device_state
= ddb_entry
->fw_ddb_device_state
;
1061 DEBUG2(ql4_printk(KERN_INFO
, ha
,
1062 "%s: DDB - old state = 0x%x, new state = 0x%x for "
1063 "index [%d]\n", __func__
,
1064 ddb_entry
->fw_ddb_device_state
, state
, fw_ddb_index
));
1066 ddb_entry
->fw_ddb_device_state
= state
;
1068 switch (old_fw_ddb_device_state
) {
1069 case DDB_DS_LOGIN_IN_PROCESS
:
1070 case DDB_DS_NO_CONNECTION_ACTIVE
:
1072 case DDB_DS_SESSION_ACTIVE
:
1073 ddb_entry
->unblock_sess(ddb_entry
->sess
);
1074 qla4xxx_update_session_conn_fwddb_param(ha
, ddb_entry
);
1075 status
= QLA_SUCCESS
;
1077 case DDB_DS_SESSION_FAILED
:
1078 iscsi_block_session(ddb_entry
->sess
);
1079 if (!test_bit(DF_RELOGIN
, &ddb_entry
->flags
))
1080 qla4xxx_arm_relogin_timer(ddb_entry
);
1081 status
= QLA_SUCCESS
;
1085 case DDB_DS_SESSION_ACTIVE
:
1087 case DDB_DS_SESSION_FAILED
:
1088 iscsi_block_session(ddb_entry
->sess
);
1089 if (!test_bit(DF_RELOGIN
, &ddb_entry
->flags
))
1090 qla4xxx_arm_relogin_timer(ddb_entry
);
1091 status
= QLA_SUCCESS
;
1095 case DDB_DS_SESSION_FAILED
:
1097 case DDB_DS_SESSION_ACTIVE
:
1098 ddb_entry
->unblock_sess(ddb_entry
->sess
);
1099 qla4xxx_update_session_conn_fwddb_param(ha
, ddb_entry
);
1100 status
= QLA_SUCCESS
;
1102 case DDB_DS_SESSION_FAILED
:
1103 if (!test_bit(DF_RELOGIN
, &ddb_entry
->flags
))
1104 qla4xxx_arm_relogin_timer(ddb_entry
);
1105 status
= QLA_SUCCESS
;
1110 DEBUG2(ql4_printk(KERN_INFO
, ha
, "%s: Unknown Event\n",
1118 * qla4xxx_process_ddb_changed - process ddb state change
1119 * @ha - Pointer to host adapter structure.
1120 * @fw_ddb_index - Firmware's device database index
1121 * @state - Device state
1123 * This routine processes a Decive Database Changed AEN Event.
1125 int qla4xxx_process_ddb_changed(struct scsi_qla_host
*ha
,
1126 uint32_t fw_ddb_index
,
1127 uint32_t state
, uint32_t conn_err
)
1129 struct ddb_entry
*ddb_entry
;
1130 int status
= QLA_ERROR
;
1132 /* check for out of range index */
1133 if (fw_ddb_index
>= MAX_DDB_ENTRIES
)
1134 goto exit_ddb_event
;
1136 /* Get the corresponging ddb entry */
1137 ddb_entry
= qla4xxx_lookup_ddb_by_fw_index(ha
, fw_ddb_index
);
1138 /* Device does not currently exist in our database. */
1139 if (ddb_entry
== NULL
) {
1140 ql4_printk(KERN_ERR
, ha
, "%s: No ddb_entry at FW index [%d]\n",
1141 __func__
, fw_ddb_index
);
1143 if (state
== DDB_DS_NO_CONNECTION_ACTIVE
)
1144 clear_bit(fw_ddb_index
, ha
->ddb_idx_map
);
1146 goto exit_ddb_event
;
1149 ddb_entry
->ddb_change(ha
, fw_ddb_index
, ddb_entry
, state
);
1156 * qla4xxx_login_flash_ddb - Login to target (DDB)
1157 * @cls_session: Pointer to the session to login
1159 * This routine logins to the target.
1160 * Issues setddb and conn open mbx
1162 void qla4xxx_login_flash_ddb(struct iscsi_cls_session
*cls_session
)
1164 struct iscsi_session
*sess
;
1165 struct ddb_entry
*ddb_entry
;
1166 struct scsi_qla_host
*ha
;
1167 struct dev_db_entry
*fw_ddb_entry
= NULL
;
1168 dma_addr_t fw_ddb_dma
;
1169 uint32_t mbx_sts
= 0;
1172 sess
= cls_session
->dd_data
;
1173 ddb_entry
= sess
->dd_data
;
1176 if (!test_bit(AF_LINK_UP
, &ha
->flags
))
1179 if (ddb_entry
->ddb_type
!= FLASH_DDB
) {
1180 DEBUG2(ql4_printk(KERN_INFO
, ha
,
1181 "Skipping login to non FLASH DB"));
1185 fw_ddb_entry
= dma_pool_alloc(ha
->fw_ddb_dma_pool
, GFP_KERNEL
,
1187 if (fw_ddb_entry
== NULL
) {
1188 DEBUG2(ql4_printk(KERN_ERR
, ha
, "Out of memory\n"));
1192 if (ddb_entry
->fw_ddb_index
== INVALID_ENTRY
) {
1193 ret
= qla4xxx_get_ddb_index(ha
, &ddb_entry
->fw_ddb_index
);
1194 if (ret
== QLA_ERROR
)
1197 ha
->fw_ddb_index_map
[ddb_entry
->fw_ddb_index
] = ddb_entry
;
1201 memcpy(fw_ddb_entry
, &ddb_entry
->fw_ddb_entry
,
1202 sizeof(struct dev_db_entry
));
1203 ddb_entry
->sess
->target_id
= ddb_entry
->fw_ddb_index
;
1205 ret
= qla4xxx_set_ddb_entry(ha
, ddb_entry
->fw_ddb_index
,
1206 fw_ddb_dma
, &mbx_sts
);
1207 if (ret
== QLA_ERROR
) {
1208 DEBUG2(ql4_printk(KERN_ERR
, ha
, "Set DDB failed\n"));
1212 ddb_entry
->fw_ddb_device_state
= DDB_DS_LOGIN_IN_PROCESS
;
1213 ret
= qla4xxx_conn_open(ha
, ddb_entry
->fw_ddb_index
);
1214 if (ret
== QLA_ERROR
) {
1215 ql4_printk(KERN_ERR
, ha
, "%s: Login failed: %s\n", __func__
,
1222 dma_pool_free(ha
->fw_ddb_dma_pool
, fw_ddb_entry
, fw_ddb_dma
);