2 * QLogic iSCSI HBA Driver
3 * Copyright (c) 2003-2010 QLogic Corporation
5 * See LICENSE.qla4xxx for copyright and licensing details.
11 #include "ql4_inline.h"
15 * qla4xxx_mailbox_command - issues mailbox commands
16 * @ha: Pointer to host adapter structure.
17 * @inCount: number of mailbox registers to load.
18 * @outCount: number of mailbox registers to return.
19 * @mbx_cmd: data pointer for mailbox in registers.
20 * @mbx_sts: data pointer for mailbox out registers.
22 * This routine isssue mailbox commands and waits for completion.
23 * If outCount is 0, this routine completes successfully WITHOUT waiting
24 * for the mailbox command to complete.
26 int qla4xxx_mailbox_command(struct scsi_qla_host
*ha
, uint8_t inCount
,
27 uint8_t outCount
, uint32_t *mbx_cmd
,
30 int status
= QLA_ERROR
;
34 unsigned long flags
= 0;
37 /* Make sure that pointers are valid */
38 if (!mbx_cmd
|| !mbx_sts
) {
39 DEBUG2(printk("scsi%ld: %s: Invalid mbx_cmd or mbx_sts "
40 "pointer\n", ha
->host_no
, __func__
));
45 if (test_bit(AF_FW_RECOVERY
, &ha
->flags
)) {
46 DEBUG2(ql4_printk(KERN_WARNING
, ha
, "scsi%ld: %s: "
47 "prematurely completing mbx cmd as firmware "
48 "recovery detected\n", ha
->host_no
, __func__
));
51 /* Do not send any mbx cmd if h/w is in failed state*/
52 qla4_8xxx_idc_lock(ha
);
53 dev_state
= qla4_8xxx_rd_32(ha
, QLA82XX_CRB_DEV_STATE
);
54 qla4_8xxx_idc_unlock(ha
);
55 if (dev_state
== QLA82XX_DEV_FAILED
) {
56 ql4_printk(KERN_WARNING
, ha
, "scsi%ld: %s: H/W is in "
57 "failed state, do not send any mailbox commands\n",
58 ha
->host_no
, __func__
);
63 if ((is_aer_supported(ha
)) &&
64 (test_bit(AF_PCI_CHANNEL_IO_PERM_FAILURE
, &ha
->flags
))) {
65 DEBUG2(printk(KERN_WARNING
"scsi%ld: %s: Perm failure on EEH, "
66 "timeout MBX Exiting.\n", ha
->host_no
, __func__
));
70 /* Mailbox code active */
71 wait_count
= MBOX_TOV
* 100;
73 while (wait_count
--) {
74 mutex_lock(&ha
->mbox_sem
);
75 if (!test_bit(AF_MBOX_COMMAND
, &ha
->flags
)) {
76 set_bit(AF_MBOX_COMMAND
, &ha
->flags
);
77 mutex_unlock(&ha
->mbox_sem
);
80 mutex_unlock(&ha
->mbox_sem
);
82 DEBUG2(printk("scsi%ld: %s: mbox_sem failed\n",
83 ha
->host_no
, __func__
));
89 /* To prevent overwriting mailbox registers for a command that has
90 * not yet been serviced, check to see if an active command
91 * (AEN, IOCB, etc.) is interrupting, then service it.
92 * -----------------------------------------------------------------
94 spin_lock_irqsave(&ha
->hardware_lock
, flags
);
96 if (!is_qla8022(ha
)) {
97 intr_status
= readl(&ha
->reg
->ctrl_status
);
98 if (intr_status
& CSR_SCSI_PROCESSOR_INTR
) {
99 /* Service existing interrupt */
100 ha
->isp_ops
->interrupt_service_routine(ha
, intr_status
);
101 clear_bit(AF_MBOX_COMMAND_DONE
, &ha
->flags
);
105 ha
->mbox_status_count
= outCount
;
106 for (i
= 0; i
< outCount
; i
++)
107 ha
->mbox_status
[i
] = 0;
109 if (is_qla8022(ha
)) {
110 /* Load all mailbox registers, except mailbox 0. */
112 printk("scsi%ld: %s: Cmd ", ha
->host_no
, __func__
);
113 for (i
= 0; i
< inCount
; i
++)
114 printk("mb%d=%04x ", i
, mbx_cmd
[i
]);
117 for (i
= 1; i
< inCount
; i
++)
118 writel(mbx_cmd
[i
], &ha
->qla4_8xxx_reg
->mailbox_in
[i
]);
119 writel(mbx_cmd
[0], &ha
->qla4_8xxx_reg
->mailbox_in
[0]);
120 readl(&ha
->qla4_8xxx_reg
->mailbox_in
[0]);
121 writel(HINT_MBX_INT_PENDING
, &ha
->qla4_8xxx_reg
->hint
);
123 /* Load all mailbox registers, except mailbox 0. */
124 for (i
= 1; i
< inCount
; i
++)
125 writel(mbx_cmd
[i
], &ha
->reg
->mailbox
[i
]);
127 /* Wakeup firmware */
128 writel(mbx_cmd
[0], &ha
->reg
->mailbox
[0]);
129 readl(&ha
->reg
->mailbox
[0]);
130 writel(set_rmask(CSR_INTR_RISC
), &ha
->reg
->ctrl_status
);
131 readl(&ha
->reg
->ctrl_status
);
134 spin_unlock_irqrestore(&ha
->hardware_lock
, flags
);
136 /* Wait for completion */
139 * If we don't want status, don't wait for the mailbox command to
140 * complete. For example, MBOX_CMD_RESET_FW doesn't return status,
141 * you must poll the inbound Interrupt Mask for completion.
144 status
= QLA_SUCCESS
;
149 * Wait for completion: Poll or completion queue
151 if (test_bit(AF_IRQ_ATTACHED
, &ha
->flags
) &&
152 test_bit(AF_INTERRUPTS_ON
, &ha
->flags
) &&
153 test_bit(AF_ONLINE
, &ha
->flags
) &&
154 !test_bit(AF_HA_REMOVAL
, &ha
->flags
)) {
155 /* Do not poll for completion. Use completion queue */
156 set_bit(AF_MBOX_COMMAND_NOPOLL
, &ha
->flags
);
157 wait_for_completion_timeout(&ha
->mbx_intr_comp
, MBOX_TOV
* HZ
);
158 clear_bit(AF_MBOX_COMMAND_NOPOLL
, &ha
->flags
);
160 /* Poll for command to complete */
161 wait_count
= jiffies
+ MBOX_TOV
* HZ
;
162 while (test_bit(AF_MBOX_COMMAND_DONE
, &ha
->flags
) == 0) {
163 if (time_after_eq(jiffies
, wait_count
))
167 * Service the interrupt.
168 * The ISR will save the mailbox status registers
169 * to a temporary storage location in the adapter
173 spin_lock_irqsave(&ha
->hardware_lock
, flags
);
174 if (is_qla8022(ha
)) {
176 readl(&ha
->qla4_8xxx_reg
->host_int
);
177 if (intr_status
& ISRX_82XX_RISC_INT
) {
178 ha
->mbox_status_count
= outCount
;
180 readl(&ha
->qla4_8xxx_reg
->host_status
);
181 ha
->isp_ops
->interrupt_service_routine(
183 if (test_bit(AF_INTERRUPTS_ON
,
185 test_bit(AF_INTx_ENABLED
,
188 ha
->nx_legacy_intr
.tgt_mask_reg
,
192 intr_status
= readl(&ha
->reg
->ctrl_status
);
193 if (intr_status
& INTR_PENDING
) {
195 * Service the interrupt.
196 * The ISR will save the mailbox status
197 * registers to a temporary storage
198 * location in the adapter structure.
200 ha
->mbox_status_count
= outCount
;
201 ha
->isp_ops
->interrupt_service_routine(
205 spin_unlock_irqrestore(&ha
->hardware_lock
, flags
);
210 /* Check for mailbox timeout. */
211 if (!test_bit(AF_MBOX_COMMAND_DONE
, &ha
->flags
)) {
212 if (is_qla8022(ha
) &&
213 test_bit(AF_FW_RECOVERY
, &ha
->flags
)) {
214 DEBUG2(ql4_printk(KERN_INFO
, ha
,
215 "scsi%ld: %s: prematurely completing mbx cmd as "
216 "firmware recovery detected\n",
217 ha
->host_no
, __func__
));
220 DEBUG2(printk("scsi%ld: Mailbox Cmd 0x%08X timed out ...,"
221 " Scheduling Adapter Reset\n", ha
->host_no
,
223 ha
->mailbox_timeout_count
++;
225 set_bit(DPC_RESET_HA
, &ha
->dpc_flags
);
230 * Copy the mailbox out registers to the caller's mailbox in/out
233 spin_lock_irqsave(&ha
->hardware_lock
, flags
);
234 for (i
= 0; i
< outCount
; i
++)
235 mbx_sts
[i
] = ha
->mbox_status
[i
];
237 /* Set return status and error flags (if applicable). */
238 switch (ha
->mbox_status
[0]) {
239 case MBOX_STS_COMMAND_COMPLETE
:
240 status
= QLA_SUCCESS
;
243 case MBOX_STS_INTERMEDIATE_COMPLETION
:
244 status
= QLA_SUCCESS
;
248 DEBUG2( printk("scsi%ld: %s: Cmd = %08X, ISP BUSY\n",
249 ha
->host_no
, __func__
, mbx_cmd
[0]));
250 ha
->mailbox_timeout_count
++;
254 DEBUG2(printk("scsi%ld: %s: **** FAILED, cmd = %08X, "
255 "sts = %08X ****\n", ha
->host_no
, __func__
,
256 mbx_cmd
[0], mbx_sts
[0]));
259 spin_unlock_irqrestore(&ha
->hardware_lock
, flags
);
262 mutex_lock(&ha
->mbox_sem
);
263 clear_bit(AF_MBOX_COMMAND
, &ha
->flags
);
264 mutex_unlock(&ha
->mbox_sem
);
265 clear_bit(AF_MBOX_COMMAND_DONE
, &ha
->flags
);
270 void qla4xxx_mailbox_premature_completion(struct scsi_qla_host
*ha
)
272 set_bit(AF_FW_RECOVERY
, &ha
->flags
);
273 ql4_printk(KERN_INFO
, ha
, "scsi%ld: %s: set FW RECOVERY!\n",
274 ha
->host_no
, __func__
);
276 if (test_bit(AF_MBOX_COMMAND
, &ha
->flags
)) {
277 if (test_bit(AF_MBOX_COMMAND_NOPOLL
, &ha
->flags
)) {
278 complete(&ha
->mbx_intr_comp
);
279 ql4_printk(KERN_INFO
, ha
, "scsi%ld: %s: Due to fw "
280 "recovery, doing premature completion of "
281 "mbx cmd\n", ha
->host_no
, __func__
);
284 set_bit(AF_MBOX_COMMAND_DONE
, &ha
->flags
);
285 ql4_printk(KERN_INFO
, ha
, "scsi%ld: %s: Due to fw "
286 "recovery, doing premature completion of "
287 "polling mbx cmd\n", ha
->host_no
, __func__
);
293 qla4xxx_set_ifcb(struct scsi_qla_host
*ha
, uint32_t *mbox_cmd
,
294 uint32_t *mbox_sts
, dma_addr_t init_fw_cb_dma
)
296 memset(mbox_cmd
, 0, sizeof(mbox_cmd
[0]) * MBOX_REG_COUNT
);
297 memset(mbox_sts
, 0, sizeof(mbox_sts
[0]) * MBOX_REG_COUNT
);
300 qla4_8xxx_wr_32(ha
, ha
->nx_db_wr_ptr
, 0);
302 mbox_cmd
[0] = MBOX_CMD_INITIALIZE_FIRMWARE
;
304 mbox_cmd
[2] = LSDW(init_fw_cb_dma
);
305 mbox_cmd
[3] = MSDW(init_fw_cb_dma
);
306 mbox_cmd
[4] = sizeof(struct addr_ctrl_blk
);
307 mbox_cmd
[5] = (IFCB_VER_MAX
<< 8) | IFCB_VER_MIN
;
309 if (qla4xxx_mailbox_command(ha
, 6, 6, mbox_cmd
, mbox_sts
) !=
311 DEBUG2(printk(KERN_WARNING
"scsi%ld: %s: "
312 "MBOX_CMD_INITIALIZE_FIRMWARE"
313 " failed w/ status %04X\n",
314 ha
->host_no
, __func__
, mbox_sts
[0]));
321 qla4xxx_get_ifcb(struct scsi_qla_host
*ha
, uint32_t *mbox_cmd
,
322 uint32_t *mbox_sts
, dma_addr_t init_fw_cb_dma
)
324 memset(mbox_cmd
, 0, sizeof(mbox_cmd
[0]) * MBOX_REG_COUNT
);
325 memset(mbox_sts
, 0, sizeof(mbox_sts
[0]) * MBOX_REG_COUNT
);
326 mbox_cmd
[0] = MBOX_CMD_GET_INIT_FW_CTRL_BLOCK
;
327 mbox_cmd
[2] = LSDW(init_fw_cb_dma
);
328 mbox_cmd
[3] = MSDW(init_fw_cb_dma
);
329 mbox_cmd
[4] = sizeof(struct addr_ctrl_blk
);
331 if (qla4xxx_mailbox_command(ha
, 5, 5, mbox_cmd
, mbox_sts
) !=
333 DEBUG2(printk(KERN_WARNING
"scsi%ld: %s: "
334 "MBOX_CMD_GET_INIT_FW_CTRL_BLOCK"
335 " failed w/ status %04X\n",
336 ha
->host_no
, __func__
, mbox_sts
[0]));
343 qla4xxx_update_local_ip(struct scsi_qla_host
*ha
,
344 struct addr_ctrl_blk
*init_fw_cb
)
346 /* Save IPv4 Address Info */
347 memcpy(ha
->ip_address
, init_fw_cb
->ipv4_addr
,
348 min(sizeof(ha
->ip_address
), sizeof(init_fw_cb
->ipv4_addr
)));
349 memcpy(ha
->subnet_mask
, init_fw_cb
->ipv4_subnet
,
350 min(sizeof(ha
->subnet_mask
), sizeof(init_fw_cb
->ipv4_subnet
)));
351 memcpy(ha
->gateway
, init_fw_cb
->ipv4_gw_addr
,
352 min(sizeof(ha
->gateway
), sizeof(init_fw_cb
->ipv4_gw_addr
)));
354 if (is_ipv6_enabled(ha
)) {
355 /* Save IPv6 Address */
356 ha
->ipv6_link_local_state
= init_fw_cb
->ipv6_lnk_lcl_addr_state
;
357 ha
->ipv6_addr0_state
= init_fw_cb
->ipv6_addr0_state
;
358 ha
->ipv6_addr1_state
= init_fw_cb
->ipv6_addr1_state
;
359 ha
->ipv6_default_router_state
= init_fw_cb
->ipv6_dflt_rtr_state
;
360 ha
->ipv6_link_local_addr
.in6_u
.u6_addr8
[0] = 0xFE;
361 ha
->ipv6_link_local_addr
.in6_u
.u6_addr8
[1] = 0x80;
363 memcpy(&ha
->ipv6_link_local_addr
.in6_u
.u6_addr8
[8],
364 init_fw_cb
->ipv6_if_id
,
365 min(sizeof(ha
->ipv6_link_local_addr
)/2,
366 sizeof(init_fw_cb
->ipv6_if_id
)));
367 memcpy(&ha
->ipv6_addr0
, init_fw_cb
->ipv6_addr0
,
368 min(sizeof(ha
->ipv6_addr0
),
369 sizeof(init_fw_cb
->ipv6_addr0
)));
370 memcpy(&ha
->ipv6_addr1
, init_fw_cb
->ipv6_addr1
,
371 min(sizeof(ha
->ipv6_addr1
),
372 sizeof(init_fw_cb
->ipv6_addr1
)));
373 memcpy(&ha
->ipv6_default_router_addr
,
374 init_fw_cb
->ipv6_dflt_rtr_addr
,
375 min(sizeof(ha
->ipv6_default_router_addr
),
376 sizeof(init_fw_cb
->ipv6_dflt_rtr_addr
)));
381 qla4xxx_update_local_ifcb(struct scsi_qla_host
*ha
,
384 struct addr_ctrl_blk
*init_fw_cb
,
385 dma_addr_t init_fw_cb_dma
)
387 if (qla4xxx_get_ifcb(ha
, mbox_cmd
, mbox_sts
, init_fw_cb_dma
)
389 DEBUG2(printk(KERN_WARNING
390 "scsi%ld: %s: Failed to get init_fw_ctrl_blk\n",
391 ha
->host_no
, __func__
));
395 DEBUG2(qla4xxx_dump_buffer(init_fw_cb
, sizeof(struct addr_ctrl_blk
)));
397 /* Save some info in adapter structure. */
398 ha
->acb_version
= init_fw_cb
->acb_version
;
399 ha
->firmware_options
= le16_to_cpu(init_fw_cb
->fw_options
);
400 ha
->tcp_options
= le16_to_cpu(init_fw_cb
->ipv4_tcp_opts
);
401 ha
->ipv4_options
= le16_to_cpu(init_fw_cb
->ipv4_ip_opts
);
402 ha
->ipv4_addr_state
= le16_to_cpu(init_fw_cb
->ipv4_addr_state
);
403 ha
->heartbeat_interval
= init_fw_cb
->hb_interval
;
404 memcpy(ha
->name_string
, init_fw_cb
->iscsi_name
,
405 min(sizeof(ha
->name_string
),
406 sizeof(init_fw_cb
->iscsi_name
)));
407 /*memcpy(ha->alias, init_fw_cb->Alias,
408 min(sizeof(ha->alias), sizeof(init_fw_cb->Alias)));*/
410 if (ha
->acb_version
== ACB_SUPPORTED
) {
411 ha
->ipv6_options
= init_fw_cb
->ipv6_opts
;
412 ha
->ipv6_addl_options
= init_fw_cb
->ipv6_addtl_opts
;
414 qla4xxx_update_local_ip(ha
, init_fw_cb
);
420 * qla4xxx_initialize_fw_cb - initializes firmware control block.
421 * @ha: Pointer to host adapter structure.
423 int qla4xxx_initialize_fw_cb(struct scsi_qla_host
* ha
)
425 struct addr_ctrl_blk
*init_fw_cb
;
426 dma_addr_t init_fw_cb_dma
;
427 uint32_t mbox_cmd
[MBOX_REG_COUNT
];
428 uint32_t mbox_sts
[MBOX_REG_COUNT
];
429 int status
= QLA_ERROR
;
431 init_fw_cb
= dma_alloc_coherent(&ha
->pdev
->dev
,
432 sizeof(struct addr_ctrl_blk
),
433 &init_fw_cb_dma
, GFP_KERNEL
);
434 if (init_fw_cb
== NULL
) {
435 DEBUG2(printk("scsi%ld: %s: Unable to alloc init_cb\n",
436 ha
->host_no
, __func__
));
437 goto exit_init_fw_cb_no_free
;
439 memset(init_fw_cb
, 0, sizeof(struct addr_ctrl_blk
));
441 /* Get Initialize Firmware Control Block. */
442 memset(&mbox_cmd
, 0, sizeof(mbox_cmd
));
443 memset(&mbox_sts
, 0, sizeof(mbox_sts
));
445 if (qla4xxx_get_ifcb(ha
, &mbox_cmd
[0], &mbox_sts
[0], init_fw_cb_dma
) !=
447 dma_free_coherent(&ha
->pdev
->dev
,
448 sizeof(struct addr_ctrl_blk
),
449 init_fw_cb
, init_fw_cb_dma
);
450 goto exit_init_fw_cb
;
453 /* Initialize request and response queues. */
454 qla4xxx_init_rings(ha
);
456 /* Fill in the request and response queue information. */
457 init_fw_cb
->rqq_consumer_idx
= cpu_to_le16(ha
->request_out
);
458 init_fw_cb
->compq_producer_idx
= cpu_to_le16(ha
->response_in
);
459 init_fw_cb
->rqq_len
= __constant_cpu_to_le16(REQUEST_QUEUE_DEPTH
);
460 init_fw_cb
->compq_len
= __constant_cpu_to_le16(RESPONSE_QUEUE_DEPTH
);
461 init_fw_cb
->rqq_addr_lo
= cpu_to_le32(LSDW(ha
->request_dma
));
462 init_fw_cb
->rqq_addr_hi
= cpu_to_le32(MSDW(ha
->request_dma
));
463 init_fw_cb
->compq_addr_lo
= cpu_to_le32(LSDW(ha
->response_dma
));
464 init_fw_cb
->compq_addr_hi
= cpu_to_le32(MSDW(ha
->response_dma
));
465 init_fw_cb
->shdwreg_addr_lo
= cpu_to_le32(LSDW(ha
->shadow_regs_dma
));
466 init_fw_cb
->shdwreg_addr_hi
= cpu_to_le32(MSDW(ha
->shadow_regs_dma
));
468 /* Set up required options. */
469 init_fw_cb
->fw_options
|=
470 __constant_cpu_to_le16(FWOPT_SESSION_MODE
|
471 FWOPT_INITIATOR_MODE
);
474 init_fw_cb
->fw_options
|=
475 __constant_cpu_to_le16(FWOPT_ENABLE_CRBDB
);
477 init_fw_cb
->fw_options
&= __constant_cpu_to_le16(~FWOPT_TARGET_MODE
);
479 /* Set bit for "serialize task mgmt" all other bits need to be zero */
480 init_fw_cb
->add_fw_options
= 0;
481 init_fw_cb
->add_fw_options
|=
482 __constant_cpu_to_le16(SERIALIZE_TASK_MGMT
);
484 if (qla4xxx_set_ifcb(ha
, &mbox_cmd
[0], &mbox_sts
[0], init_fw_cb_dma
)
486 DEBUG2(printk(KERN_WARNING
487 "scsi%ld: %s: Failed to set init_fw_ctrl_blk\n",
488 ha
->host_no
, __func__
));
489 goto exit_init_fw_cb
;
492 if (qla4xxx_update_local_ifcb(ha
, &mbox_cmd
[0], &mbox_sts
[0],
493 init_fw_cb
, init_fw_cb_dma
) != QLA_SUCCESS
) {
494 DEBUG2(printk("scsi%ld: %s: Failed to update local ifcb\n",
495 ha
->host_no
, __func__
));
496 goto exit_init_fw_cb
;
498 status
= QLA_SUCCESS
;
501 dma_free_coherent(&ha
->pdev
->dev
, sizeof(struct addr_ctrl_blk
),
502 init_fw_cb
, init_fw_cb_dma
);
503 exit_init_fw_cb_no_free
:
508 * qla4xxx_get_dhcp_ip_address - gets HBA ip address via DHCP
509 * @ha: Pointer to host adapter structure.
511 int qla4xxx_get_dhcp_ip_address(struct scsi_qla_host
* ha
)
513 struct addr_ctrl_blk
*init_fw_cb
;
514 dma_addr_t init_fw_cb_dma
;
515 uint32_t mbox_cmd
[MBOX_REG_COUNT
];
516 uint32_t mbox_sts
[MBOX_REG_COUNT
];
518 init_fw_cb
= dma_alloc_coherent(&ha
->pdev
->dev
,
519 sizeof(struct addr_ctrl_blk
),
520 &init_fw_cb_dma
, GFP_KERNEL
);
521 if (init_fw_cb
== NULL
) {
522 printk("scsi%ld: %s: Unable to alloc init_cb\n", ha
->host_no
,
527 /* Get Initialize Firmware Control Block. */
528 memset(init_fw_cb
, 0, sizeof(struct addr_ctrl_blk
));
529 if (qla4xxx_get_ifcb(ha
, &mbox_cmd
[0], &mbox_sts
[0], init_fw_cb_dma
) !=
531 DEBUG2(printk("scsi%ld: %s: Failed to get init_fw_ctrl_blk\n",
532 ha
->host_no
, __func__
));
533 dma_free_coherent(&ha
->pdev
->dev
,
534 sizeof(struct addr_ctrl_blk
),
535 init_fw_cb
, init_fw_cb_dma
);
539 /* Save IP Address. */
540 qla4xxx_update_local_ip(ha
, init_fw_cb
);
541 dma_free_coherent(&ha
->pdev
->dev
, sizeof(struct addr_ctrl_blk
),
542 init_fw_cb
, init_fw_cb_dma
);
548 * qla4xxx_get_firmware_state - gets firmware state of HBA
549 * @ha: Pointer to host adapter structure.
551 int qla4xxx_get_firmware_state(struct scsi_qla_host
* ha
)
553 uint32_t mbox_cmd
[MBOX_REG_COUNT
];
554 uint32_t mbox_sts
[MBOX_REG_COUNT
];
556 /* Get firmware version */
557 memset(&mbox_cmd
, 0, sizeof(mbox_cmd
));
558 memset(&mbox_sts
, 0, sizeof(mbox_sts
));
560 mbox_cmd
[0] = MBOX_CMD_GET_FW_STATE
;
562 if (qla4xxx_mailbox_command(ha
, MBOX_REG_COUNT
, 4, &mbox_cmd
[0], &mbox_sts
[0]) !=
564 DEBUG2(printk("scsi%ld: %s: MBOX_CMD_GET_FW_STATE failed w/ "
565 "status %04X\n", ha
->host_no
, __func__
,
569 ha
->firmware_state
= mbox_sts
[1];
570 ha
->board_id
= mbox_sts
[2];
571 ha
->addl_fw_state
= mbox_sts
[3];
572 DEBUG2(printk("scsi%ld: %s firmware_state=0x%x\n",
573 ha
->host_no
, __func__
, ha
->firmware_state
);)
579 * qla4xxx_get_firmware_status - retrieves firmware status
580 * @ha: Pointer to host adapter structure.
582 int qla4xxx_get_firmware_status(struct scsi_qla_host
* ha
)
584 uint32_t mbox_cmd
[MBOX_REG_COUNT
];
585 uint32_t mbox_sts
[MBOX_REG_COUNT
];
587 /* Get firmware version */
588 memset(&mbox_cmd
, 0, sizeof(mbox_cmd
));
589 memset(&mbox_sts
, 0, sizeof(mbox_sts
));
591 mbox_cmd
[0] = MBOX_CMD_GET_FW_STATUS
;
593 if (qla4xxx_mailbox_command(ha
, MBOX_REG_COUNT
, 3, &mbox_cmd
[0], &mbox_sts
[0]) !=
595 DEBUG2(printk("scsi%ld: %s: MBOX_CMD_GET_FW_STATUS failed w/ "
596 "status %04X\n", ha
->host_no
, __func__
,
601 ql4_printk(KERN_INFO
, ha
, "%ld firmare IOCBs available (%d).\n",
602 ha
->host_no
, mbox_sts
[2]);
608 * qla4xxx_get_fwddb_entry - retrieves firmware ddb entry
609 * @ha: Pointer to host adapter structure.
610 * @fw_ddb_index: Firmware's device database index
611 * @fw_ddb_entry: Pointer to firmware's device database entry structure
612 * @num_valid_ddb_entries: Pointer to number of valid ddb entries
613 * @next_ddb_index: Pointer to next valid device database index
614 * @fw_ddb_device_state: Pointer to device state
616 int qla4xxx_get_fwddb_entry(struct scsi_qla_host
*ha
,
617 uint16_t fw_ddb_index
,
618 struct dev_db_entry
*fw_ddb_entry
,
619 dma_addr_t fw_ddb_entry_dma
,
620 uint32_t *num_valid_ddb_entries
,
621 uint32_t *next_ddb_index
,
622 uint32_t *fw_ddb_device_state
,
623 uint32_t *conn_err_detail
,
624 uint16_t *tcp_source_port_num
,
625 uint16_t *connection_id
)
627 int status
= QLA_ERROR
;
629 uint32_t mbox_cmd
[MBOX_REG_COUNT
];
630 uint32_t mbox_sts
[MBOX_REG_COUNT
];
632 /* Make sure the device index is valid */
633 if (fw_ddb_index
>= MAX_DDB_ENTRIES
) {
634 DEBUG2(printk("scsi%ld: %s: ddb [%d] out of range.\n",
635 ha
->host_no
, __func__
, fw_ddb_index
));
638 memset(&mbox_cmd
, 0, sizeof(mbox_cmd
));
639 memset(&mbox_sts
, 0, sizeof(mbox_sts
));
641 mbox_cmd
[0] = MBOX_CMD_GET_DATABASE_ENTRY
;
642 mbox_cmd
[1] = (uint32_t) fw_ddb_index
;
643 mbox_cmd
[2] = LSDW(fw_ddb_entry_dma
);
644 mbox_cmd
[3] = MSDW(fw_ddb_entry_dma
);
645 mbox_cmd
[4] = sizeof(struct dev_db_entry
);
647 if (qla4xxx_mailbox_command(ha
, MBOX_REG_COUNT
, 7, &mbox_cmd
[0], &mbox_sts
[0]) ==
649 DEBUG2(printk("scsi%ld: %s: MBOX_CMD_GET_DATABASE_ENTRY failed"
650 " with status 0x%04X\n", ha
->host_no
, __func__
,
654 if (fw_ddb_index
!= mbox_sts
[1]) {
655 DEBUG2(printk("scsi%ld: %s: ddb mismatch [%d] != [%d].\n",
656 ha
->host_no
, __func__
, fw_ddb_index
,
661 options
= le16_to_cpu(fw_ddb_entry
->options
);
662 if (options
& DDB_OPT_IPV6_DEVICE
) {
663 ql4_printk(KERN_INFO
, ha
, "%s: DDB[%d] MB0 %04x Tot %d "
664 "Next %d State %04x ConnErr %08x %pI6 "
665 ":%04d \"%s\"\n", __func__
, fw_ddb_index
,
666 mbox_sts
[0], mbox_sts
[2], mbox_sts
[3],
667 mbox_sts
[4], mbox_sts
[5],
668 fw_ddb_entry
->ip_addr
,
669 le16_to_cpu(fw_ddb_entry
->port
),
670 fw_ddb_entry
->iscsi_name
);
672 ql4_printk(KERN_INFO
, ha
, "%s: DDB[%d] MB0 %04x Tot %d "
673 "Next %d State %04x ConnErr %08x %pI4 "
674 ":%04d \"%s\"\n", __func__
, fw_ddb_index
,
675 mbox_sts
[0], mbox_sts
[2], mbox_sts
[3],
676 mbox_sts
[4], mbox_sts
[5],
677 fw_ddb_entry
->ip_addr
,
678 le16_to_cpu(fw_ddb_entry
->port
),
679 fw_ddb_entry
->iscsi_name
);
682 if (num_valid_ddb_entries
)
683 *num_valid_ddb_entries
= mbox_sts
[2];
685 *next_ddb_index
= mbox_sts
[3];
686 if (fw_ddb_device_state
)
687 *fw_ddb_device_state
= mbox_sts
[4];
690 * RA: This mailbox has been changed to pass connection error and
691 * details. Its true for ISP4010 as per Version E - Not sure when it
692 * was changed. Get the time2wait from the fw_dd_entry field :
693 * default_time2wait which we call it as minTime2Wait DEV_DB_ENTRY
697 *conn_err_detail
= mbox_sts
[5];
698 if (tcp_source_port_num
)
699 *tcp_source_port_num
= (uint16_t) (mbox_sts
[6] >> 16);
701 *connection_id
= (uint16_t) mbox_sts
[6] & 0x00FF;
702 status
= QLA_SUCCESS
;
709 * qla4xxx_set_fwddb_entry - sets a ddb entry.
710 * @ha: Pointer to host adapter structure.
711 * @fw_ddb_index: Firmware's device database index
712 * @fw_ddb_entry: Pointer to firmware's ddb entry structure, or NULL.
714 * This routine initializes or updates the adapter's device database
715 * entry for the specified device. It also triggers a login for the
716 * specified device. Therefore, it may also be used as a secondary
717 * login routine when a NULL pointer is specified for the fw_ddb_entry.
719 int qla4xxx_set_ddb_entry(struct scsi_qla_host
* ha
, uint16_t fw_ddb_index
,
720 dma_addr_t fw_ddb_entry_dma
)
722 uint32_t mbox_cmd
[MBOX_REG_COUNT
];
723 uint32_t mbox_sts
[MBOX_REG_COUNT
];
726 /* Do not wait for completion. The firmware will send us an
727 * ASTS_DATABASE_CHANGED (0x8014) to notify us of the login status.
729 memset(&mbox_cmd
, 0, sizeof(mbox_cmd
));
730 memset(&mbox_sts
, 0, sizeof(mbox_sts
));
732 mbox_cmd
[0] = MBOX_CMD_SET_DATABASE_ENTRY
;
733 mbox_cmd
[1] = (uint32_t) fw_ddb_index
;
734 mbox_cmd
[2] = LSDW(fw_ddb_entry_dma
);
735 mbox_cmd
[3] = MSDW(fw_ddb_entry_dma
);
736 mbox_cmd
[4] = sizeof(struct dev_db_entry
);
738 status
= qla4xxx_mailbox_command(ha
, MBOX_REG_COUNT
, 5, &mbox_cmd
[0],
740 DEBUG2(printk("scsi%ld: %s: status=%d mbx0=0x%x mbx4=0x%x\n",
741 ha
->host_no
, __func__
, status
, mbox_sts
[0], mbox_sts
[4]);)
747 * qla4xxx_get_crash_record - retrieves crash record.
748 * @ha: Pointer to host adapter structure.
750 * This routine retrieves a crash record from the QLA4010 after an 8002h aen.
752 void qla4xxx_get_crash_record(struct scsi_qla_host
* ha
)
754 uint32_t mbox_cmd
[MBOX_REG_COUNT
];
755 uint32_t mbox_sts
[MBOX_REG_COUNT
];
756 struct crash_record
*crash_record
= NULL
;
757 dma_addr_t crash_record_dma
= 0;
758 uint32_t crash_record_size
= 0;
760 memset(&mbox_cmd
, 0, sizeof(mbox_cmd
));
761 memset(&mbox_sts
, 0, sizeof(mbox_cmd
));
763 /* Get size of crash record. */
764 mbox_cmd
[0] = MBOX_CMD_GET_CRASH_RECORD
;
766 if (qla4xxx_mailbox_command(ha
, MBOX_REG_COUNT
, 5, &mbox_cmd
[0], &mbox_sts
[0]) !=
768 DEBUG2(printk("scsi%ld: %s: ERROR: Unable to retrieve size!\n",
769 ha
->host_no
, __func__
));
770 goto exit_get_crash_record
;
772 crash_record_size
= mbox_sts
[4];
773 if (crash_record_size
== 0) {
774 DEBUG2(printk("scsi%ld: %s: ERROR: Crash record size is 0!\n",
775 ha
->host_no
, __func__
));
776 goto exit_get_crash_record
;
779 /* Alloc Memory for Crash Record. */
780 crash_record
= dma_alloc_coherent(&ha
->pdev
->dev
, crash_record_size
,
781 &crash_record_dma
, GFP_KERNEL
);
782 if (crash_record
== NULL
)
783 goto exit_get_crash_record
;
785 /* Get Crash Record. */
786 memset(&mbox_cmd
, 0, sizeof(mbox_cmd
));
787 memset(&mbox_sts
, 0, sizeof(mbox_cmd
));
789 mbox_cmd
[0] = MBOX_CMD_GET_CRASH_RECORD
;
790 mbox_cmd
[2] = LSDW(crash_record_dma
);
791 mbox_cmd
[3] = MSDW(crash_record_dma
);
792 mbox_cmd
[4] = crash_record_size
;
794 if (qla4xxx_mailbox_command(ha
, MBOX_REG_COUNT
, 5, &mbox_cmd
[0], &mbox_sts
[0]) !=
796 goto exit_get_crash_record
;
798 /* Dump Crash Record. */
800 exit_get_crash_record
:
802 dma_free_coherent(&ha
->pdev
->dev
, crash_record_size
,
803 crash_record
, crash_record_dma
);
807 * qla4xxx_get_conn_event_log - retrieves connection event log
808 * @ha: Pointer to host adapter structure.
810 void qla4xxx_get_conn_event_log(struct scsi_qla_host
* ha
)
812 uint32_t mbox_cmd
[MBOX_REG_COUNT
];
813 uint32_t mbox_sts
[MBOX_REG_COUNT
];
814 struct conn_event_log_entry
*event_log
= NULL
;
815 dma_addr_t event_log_dma
= 0;
816 uint32_t event_log_size
= 0;
817 uint32_t num_valid_entries
;
818 uint32_t oldest_entry
= 0;
819 uint32_t max_event_log_entries
;
823 memset(&mbox_cmd
, 0, sizeof(mbox_cmd
));
824 memset(&mbox_sts
, 0, sizeof(mbox_cmd
));
826 /* Get size of crash record. */
827 mbox_cmd
[0] = MBOX_CMD_GET_CONN_EVENT_LOG
;
829 if (qla4xxx_mailbox_command(ha
, MBOX_REG_COUNT
, 5, &mbox_cmd
[0], &mbox_sts
[0]) !=
831 goto exit_get_event_log
;
833 event_log_size
= mbox_sts
[4];
834 if (event_log_size
== 0)
835 goto exit_get_event_log
;
837 /* Alloc Memory for Crash Record. */
838 event_log
= dma_alloc_coherent(&ha
->pdev
->dev
, event_log_size
,
839 &event_log_dma
, GFP_KERNEL
);
840 if (event_log
== NULL
)
841 goto exit_get_event_log
;
843 /* Get Crash Record. */
844 memset(&mbox_cmd
, 0, sizeof(mbox_cmd
));
845 memset(&mbox_sts
, 0, sizeof(mbox_cmd
));
847 mbox_cmd
[0] = MBOX_CMD_GET_CONN_EVENT_LOG
;
848 mbox_cmd
[2] = LSDW(event_log_dma
);
849 mbox_cmd
[3] = MSDW(event_log_dma
);
851 if (qla4xxx_mailbox_command(ha
, MBOX_REG_COUNT
, 5, &mbox_cmd
[0], &mbox_sts
[0]) !=
853 DEBUG2(printk("scsi%ld: %s: ERROR: Unable to retrieve event "
854 "log!\n", ha
->host_no
, __func__
));
855 goto exit_get_event_log
;
858 /* Dump Event Log. */
859 num_valid_entries
= mbox_sts
[1];
861 max_event_log_entries
= event_log_size
/
862 sizeof(struct conn_event_log_entry
);
864 if (num_valid_entries
> max_event_log_entries
)
865 oldest_entry
= num_valid_entries
% max_event_log_entries
;
867 DEBUG3(printk("scsi%ld: Connection Event Log Dump (%d entries):\n",
868 ha
->host_no
, num_valid_entries
));
870 if (ql4xextended_error_logging
== 3) {
871 if (oldest_entry
== 0) {
872 /* Circular Buffer has not wrapped around */
873 for (i
=0; i
< num_valid_entries
; i
++) {
874 qla4xxx_dump_buffer((uint8_t *)event_log
+
875 (i
*sizeof(*event_log
)),
880 /* Circular Buffer has wrapped around -
881 * display accordingly*/
882 for (i
=oldest_entry
; i
< max_event_log_entries
; i
++) {
883 qla4xxx_dump_buffer((uint8_t *)event_log
+
884 (i
*sizeof(*event_log
)),
887 for (i
=0; i
< oldest_entry
; i
++) {
888 qla4xxx_dump_buffer((uint8_t *)event_log
+
889 (i
*sizeof(*event_log
)),
897 dma_free_coherent(&ha
->pdev
->dev
, event_log_size
, event_log
,
902 * qla4xxx_abort_task - issues Abort Task
903 * @ha: Pointer to host adapter structure.
904 * @srb: Pointer to srb entry
906 * This routine performs a LUN RESET on the specified target/lun.
907 * The caller must ensure that the ddb_entry and lun_entry pointers
908 * are valid before calling this routine.
910 int qla4xxx_abort_task(struct scsi_qla_host
*ha
, struct srb
*srb
)
912 uint32_t mbox_cmd
[MBOX_REG_COUNT
];
913 uint32_t mbox_sts
[MBOX_REG_COUNT
];
914 struct scsi_cmnd
*cmd
= srb
->cmd
;
915 int status
= QLA_SUCCESS
;
916 unsigned long flags
= 0;
920 * Send abort task command to ISP, so that the ISP will return
921 * request with ABORT status
923 memset(&mbox_cmd
, 0, sizeof(mbox_cmd
));
924 memset(&mbox_sts
, 0, sizeof(mbox_sts
));
926 spin_lock_irqsave(&ha
->hardware_lock
, flags
);
927 index
= (unsigned long)(unsigned char *)cmd
->host_scribble
;
928 spin_unlock_irqrestore(&ha
->hardware_lock
, flags
);
930 /* Firmware already posted completion on response queue */
931 if (index
== MAX_SRBS
)
934 mbox_cmd
[0] = MBOX_CMD_ABORT_TASK
;
935 mbox_cmd
[1] = srb
->ddb
->fw_ddb_index
;
937 /* Immediate Command Enable */
940 qla4xxx_mailbox_command(ha
, MBOX_REG_COUNT
, 5, &mbox_cmd
[0],
942 if (mbox_sts
[0] != MBOX_STS_COMMAND_COMPLETE
) {
945 DEBUG2(printk(KERN_WARNING
"scsi%ld:%d:%d: abort task FAILED: "
946 "mbx0=%04X, mb1=%04X, mb2=%04X, mb3=%04X, mb4=%04X\n",
947 ha
->host_no
, cmd
->device
->id
, cmd
->device
->lun
, mbox_sts
[0],
948 mbox_sts
[1], mbox_sts
[2], mbox_sts
[3], mbox_sts
[4]));
955 * qla4xxx_reset_lun - issues LUN Reset
956 * @ha: Pointer to host adapter structure.
957 * @ddb_entry: Pointer to device database entry
960 * This routine performs a LUN RESET on the specified target/lun.
961 * The caller must ensure that the ddb_entry and lun_entry pointers
962 * are valid before calling this routine.
964 int qla4xxx_reset_lun(struct scsi_qla_host
* ha
, struct ddb_entry
* ddb_entry
,
967 uint32_t mbox_cmd
[MBOX_REG_COUNT
];
968 uint32_t mbox_sts
[MBOX_REG_COUNT
];
969 int status
= QLA_SUCCESS
;
971 DEBUG2(printk("scsi%ld:%d:%d: lun reset issued\n", ha
->host_no
,
972 ddb_entry
->fw_ddb_index
, lun
));
975 * Send lun reset command to ISP, so that the ISP will return all
976 * outstanding requests with RESET status
978 memset(&mbox_cmd
, 0, sizeof(mbox_cmd
));
979 memset(&mbox_sts
, 0, sizeof(mbox_sts
));
981 mbox_cmd
[0] = MBOX_CMD_LUN_RESET
;
982 mbox_cmd
[1] = ddb_entry
->fw_ddb_index
;
983 mbox_cmd
[2] = lun
<< 8;
984 mbox_cmd
[5] = 0x01; /* Immediate Command Enable */
986 qla4xxx_mailbox_command(ha
, MBOX_REG_COUNT
, 1, &mbox_cmd
[0], &mbox_sts
[0]);
987 if (mbox_sts
[0] != MBOX_STS_COMMAND_COMPLETE
&&
988 mbox_sts
[0] != MBOX_STS_COMMAND_ERROR
)
995 * qla4xxx_reset_target - issues target Reset
996 * @ha: Pointer to host adapter structure.
997 * @db_entry: Pointer to device database entry
998 * @un_entry: Pointer to lun entry structure
1000 * This routine performs a TARGET RESET on the specified target.
1001 * The caller must ensure that the ddb_entry pointers
1002 * are valid before calling this routine.
1004 int qla4xxx_reset_target(struct scsi_qla_host
*ha
,
1005 struct ddb_entry
*ddb_entry
)
1007 uint32_t mbox_cmd
[MBOX_REG_COUNT
];
1008 uint32_t mbox_sts
[MBOX_REG_COUNT
];
1009 int status
= QLA_SUCCESS
;
1011 DEBUG2(printk("scsi%ld:%d: target reset issued\n", ha
->host_no
,
1012 ddb_entry
->fw_ddb_index
));
1015 * Send target reset command to ISP, so that the ISP will return all
1016 * outstanding requests with RESET status
1018 memset(&mbox_cmd
, 0, sizeof(mbox_cmd
));
1019 memset(&mbox_sts
, 0, sizeof(mbox_sts
));
1021 mbox_cmd
[0] = MBOX_CMD_TARGET_WARM_RESET
;
1022 mbox_cmd
[1] = ddb_entry
->fw_ddb_index
;
1023 mbox_cmd
[5] = 0x01; /* Immediate Command Enable */
1025 qla4xxx_mailbox_command(ha
, MBOX_REG_COUNT
, 1, &mbox_cmd
[0],
1027 if (mbox_sts
[0] != MBOX_STS_COMMAND_COMPLETE
&&
1028 mbox_sts
[0] != MBOX_STS_COMMAND_ERROR
)
1034 int qla4xxx_get_flash(struct scsi_qla_host
* ha
, dma_addr_t dma_addr
,
1035 uint32_t offset
, uint32_t len
)
1037 uint32_t mbox_cmd
[MBOX_REG_COUNT
];
1038 uint32_t mbox_sts
[MBOX_REG_COUNT
];
1040 memset(&mbox_cmd
, 0, sizeof(mbox_cmd
));
1041 memset(&mbox_sts
, 0, sizeof(mbox_sts
));
1043 mbox_cmd
[0] = MBOX_CMD_READ_FLASH
;
1044 mbox_cmd
[1] = LSDW(dma_addr
);
1045 mbox_cmd
[2] = MSDW(dma_addr
);
1046 mbox_cmd
[3] = offset
;
1049 if (qla4xxx_mailbox_command(ha
, MBOX_REG_COUNT
, 2, &mbox_cmd
[0], &mbox_sts
[0]) !=
1051 DEBUG2(printk("scsi%ld: %s: MBOX_CMD_READ_FLASH, failed w/ "
1052 "status %04X %04X, offset %08x, len %08x\n", ha
->host_no
,
1053 __func__
, mbox_sts
[0], mbox_sts
[1], offset
, len
));
1060 * qla4xxx_get_fw_version - gets firmware version
1061 * @ha: Pointer to host adapter structure.
1063 * Retrieves the firmware version on HBA. In QLA4010, mailboxes 2 & 3 may
1064 * hold an address for data. Make sure that we write 0 to those mailboxes,
1067 int qla4xxx_get_fw_version(struct scsi_qla_host
* ha
)
1069 uint32_t mbox_cmd
[MBOX_REG_COUNT
];
1070 uint32_t mbox_sts
[MBOX_REG_COUNT
];
1072 /* Get firmware version. */
1073 memset(&mbox_cmd
, 0, sizeof(mbox_cmd
));
1074 memset(&mbox_sts
, 0, sizeof(mbox_sts
));
1076 mbox_cmd
[0] = MBOX_CMD_ABOUT_FW
;
1078 if (qla4xxx_mailbox_command(ha
, MBOX_REG_COUNT
, 5, &mbox_cmd
[0], &mbox_sts
[0]) !=
1080 DEBUG2(printk("scsi%ld: %s: MBOX_CMD_ABOUT_FW failed w/ "
1081 "status %04X\n", ha
->host_no
, __func__
, mbox_sts
[0]));
1085 /* Save firmware version information. */
1086 ha
->firmware_version
[0] = mbox_sts
[1];
1087 ha
->firmware_version
[1] = mbox_sts
[2];
1088 ha
->patch_number
= mbox_sts
[3];
1089 ha
->build_number
= mbox_sts
[4];
1094 static int qla4xxx_get_default_ddb(struct scsi_qla_host
*ha
,
1095 dma_addr_t dma_addr
)
1097 uint32_t mbox_cmd
[MBOX_REG_COUNT
];
1098 uint32_t mbox_sts
[MBOX_REG_COUNT
];
1100 memset(&mbox_cmd
, 0, sizeof(mbox_cmd
));
1101 memset(&mbox_sts
, 0, sizeof(mbox_sts
));
1103 mbox_cmd
[0] = MBOX_CMD_GET_DATABASE_ENTRY_DEFAULTS
;
1104 mbox_cmd
[2] = LSDW(dma_addr
);
1105 mbox_cmd
[3] = MSDW(dma_addr
);
1107 if (qla4xxx_mailbox_command(ha
, MBOX_REG_COUNT
, 1, &mbox_cmd
[0], &mbox_sts
[0]) !=
1109 DEBUG2(printk("scsi%ld: %s: failed status %04X\n",
1110 ha
->host_no
, __func__
, mbox_sts
[0]));
1116 static int qla4xxx_req_ddb_entry(struct scsi_qla_host
*ha
, uint32_t *ddb_index
)
1118 uint32_t mbox_cmd
[MBOX_REG_COUNT
];
1119 uint32_t mbox_sts
[MBOX_REG_COUNT
];
1121 memset(&mbox_cmd
, 0, sizeof(mbox_cmd
));
1122 memset(&mbox_sts
, 0, sizeof(mbox_sts
));
1124 mbox_cmd
[0] = MBOX_CMD_REQUEST_DATABASE_ENTRY
;
1125 mbox_cmd
[1] = MAX_PRST_DEV_DB_ENTRIES
;
1127 if (qla4xxx_mailbox_command(ha
, MBOX_REG_COUNT
, 3, &mbox_cmd
[0], &mbox_sts
[0]) !=
1129 if (mbox_sts
[0] == MBOX_STS_COMMAND_ERROR
) {
1130 *ddb_index
= mbox_sts
[2];
1132 DEBUG2(printk("scsi%ld: %s: failed status %04X\n",
1133 ha
->host_no
, __func__
, mbox_sts
[0]));
1137 *ddb_index
= MAX_PRST_DEV_DB_ENTRIES
;
1144 int qla4xxx_send_tgts(struct scsi_qla_host
*ha
, char *ip
, uint16_t port
)
1146 struct dev_db_entry
*fw_ddb_entry
;
1147 dma_addr_t fw_ddb_entry_dma
;
1149 int ret_val
= QLA_SUCCESS
;
1152 fw_ddb_entry
= dma_alloc_coherent(&ha
->pdev
->dev
,
1153 sizeof(*fw_ddb_entry
),
1154 &fw_ddb_entry_dma
, GFP_KERNEL
);
1155 if (!fw_ddb_entry
) {
1156 DEBUG2(printk("scsi%ld: %s: Unable to allocate dma buffer.\n",
1157 ha
->host_no
, __func__
));
1158 ret_val
= QLA_ERROR
;
1159 goto exit_send_tgts_no_free
;
1162 ret_val
= qla4xxx_get_default_ddb(ha
, fw_ddb_entry_dma
);
1163 if (ret_val
!= QLA_SUCCESS
)
1164 goto exit_send_tgts
;
1166 ret_val
= qla4xxx_req_ddb_entry(ha
, &ddb_index
);
1167 if (ret_val
!= QLA_SUCCESS
)
1168 goto exit_send_tgts
;
1170 memset(fw_ddb_entry
->iscsi_alias
, 0,
1171 sizeof(fw_ddb_entry
->iscsi_alias
));
1173 memset(fw_ddb_entry
->iscsi_name
, 0,
1174 sizeof(fw_ddb_entry
->iscsi_name
));
1176 memset(fw_ddb_entry
->ip_addr
, 0, sizeof(fw_ddb_entry
->ip_addr
));
1177 memset(fw_ddb_entry
->tgt_addr
, 0,
1178 sizeof(fw_ddb_entry
->tgt_addr
));
1180 fw_ddb_entry
->options
= (DDB_OPT_DISC_SESSION
| DDB_OPT_TARGET
);
1181 fw_ddb_entry
->port
= cpu_to_le16(ntohs(port
));
1183 fw_ddb_entry
->ip_addr
[0] = *ip
;
1184 fw_ddb_entry
->ip_addr
[1] = *(ip
+ 1);
1185 fw_ddb_entry
->ip_addr
[2] = *(ip
+ 2);
1186 fw_ddb_entry
->ip_addr
[3] = *(ip
+ 3);
1188 ret_val
= qla4xxx_set_ddb_entry(ha
, ddb_index
, fw_ddb_entry_dma
);
1191 dma_free_coherent(&ha
->pdev
->dev
, sizeof(*fw_ddb_entry
),
1192 fw_ddb_entry
, fw_ddb_entry_dma
);
1193 exit_send_tgts_no_free
: