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path: root/drivers/scsi/qla4xxx/ql4_mbx.c
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Diffstat (limited to 'drivers/scsi/qla4xxx/ql4_mbx.c')
-rw-r--r--drivers/scsi/qla4xxx/ql4_mbx.c930
1 files changed, 930 insertions, 0 deletions
diff --git a/drivers/scsi/qla4xxx/ql4_mbx.c b/drivers/scsi/qla4xxx/ql4_mbx.c
new file mode 100644
index 00000000000..ed977f70b2d
--- /dev/null
+++ b/drivers/scsi/qla4xxx/ql4_mbx.c
@@ -0,0 +1,930 @@
1/*
2 * QLogic iSCSI HBA Driver
3 * Copyright (c) 2003-2006 QLogic Corporation
4 *
5 * See LICENSE.qla4xxx for copyright and licensing details.
6 */
7
8#include "ql4_def.h"
9
10
11/**
12 * qla4xxx_mailbox_command - issues mailbox commands
13 * @ha: Pointer to host adapter structure.
14 * @inCount: number of mailbox registers to load.
15 * @outCount: number of mailbox registers to return.
16 * @mbx_cmd: data pointer for mailbox in registers.
17 * @mbx_sts: data pointer for mailbox out registers.
18 *
19 * This routine sssue mailbox commands and waits for completion.
20 * If outCount is 0, this routine completes successfully WITHOUT waiting
21 * for the mailbox command to complete.
22 **/
23int qla4xxx_mailbox_command(struct scsi_qla_host *ha, uint8_t inCount,
24 uint8_t outCount, uint32_t *mbx_cmd,
25 uint32_t *mbx_sts)
26{
27 int status = QLA_ERROR;
28 uint8_t i;
29 u_long wait_count;
30 uint32_t intr_status;
31 unsigned long flags = 0;
32 DECLARE_WAITQUEUE(wait, current);
33
34 mutex_lock(&ha->mbox_sem);
35
36 /* Mailbox code active */
37 set_bit(AF_MBOX_COMMAND, &ha->flags);
38
39 /* Make sure that pointers are valid */
40 if (!mbx_cmd || !mbx_sts) {
41 DEBUG2(printk("scsi%ld: %s: Invalid mbx_cmd or mbx_sts "
42 "pointer\n", ha->host_no, __func__));
43 goto mbox_exit;
44 }
45
46 /* To prevent overwriting mailbox registers for a command that has
47 * not yet been serviced, check to see if a previously issued
48 * mailbox command is interrupting.
49 * -----------------------------------------------------------------
50 */
51 spin_lock_irqsave(&ha->hardware_lock, flags);
52 intr_status = readl(&ha->reg->ctrl_status);
53 if (intr_status & CSR_SCSI_PROCESSOR_INTR) {
54 /* Service existing interrupt */
55 qla4xxx_interrupt_service_routine(ha, intr_status);
56 clear_bit(AF_MBOX_COMMAND_DONE, &ha->flags);
57 }
58
59 /* Send the mailbox command to the firmware */
60 ha->mbox_status_count = outCount;
61 for (i = 0; i < outCount; i++)
62 ha->mbox_status[i] = 0;
63
64 /* Load all mailbox registers, except mailbox 0. */
65 for (i = 1; i < inCount; i++)
66 writel(mbx_cmd[i], &ha->reg->mailbox[i]);
67
68 /* Wakeup firmware */
69 writel(mbx_cmd[0], &ha->reg->mailbox[0]);
70 readl(&ha->reg->mailbox[0]);
71 writel(set_rmask(CSR_INTR_RISC), &ha->reg->ctrl_status);
72 readl(&ha->reg->ctrl_status);
73 spin_unlock_irqrestore(&ha->hardware_lock, flags);
74
75 /* Wait for completion */
76 set_current_state(TASK_UNINTERRUPTIBLE);
77 add_wait_queue(&ha->mailbox_wait_queue, &wait);
78
79 /*
80 * If we don't want status, don't wait for the mailbox command to
81 * complete. For example, MBOX_CMD_RESET_FW doesn't return status,
82 * you must poll the inbound Interrupt Mask for completion.
83 */
84 if (outCount == 0) {
85 status = QLA_SUCCESS;
86 set_current_state(TASK_RUNNING);
87 remove_wait_queue(&ha->mailbox_wait_queue, &wait);
88 goto mbox_exit;
89 }
90 /* Wait for command to complete */
91 wait_count = jiffies + MBOX_TOV * HZ;
92 while (test_bit(AF_MBOX_COMMAND_DONE, &ha->flags) == 0) {
93 if (time_after_eq(jiffies, wait_count))
94 break;
95
96 spin_lock_irqsave(&ha->hardware_lock, flags);
97 intr_status = readl(&ha->reg->ctrl_status);
98 if (intr_status & INTR_PENDING) {
99 /*
100 * Service the interrupt.
101 * The ISR will save the mailbox status registers
102 * to a temporary storage location in the adapter
103 * structure.
104 */
105 ha->mbox_status_count = outCount;
106 qla4xxx_interrupt_service_routine(ha, intr_status);
107 }
108 spin_unlock_irqrestore(&ha->hardware_lock, flags);
109 msleep(10);
110 }
111 set_current_state(TASK_RUNNING);
112 remove_wait_queue(&ha->mailbox_wait_queue, &wait);
113
114 /* Check for mailbox timeout. */
115 if (!test_bit(AF_MBOX_COMMAND_DONE, &ha->flags)) {
116 DEBUG2(printk("scsi%ld: Mailbox Cmd 0x%08X timed out ...,"
117 " Scheduling Adapter Reset\n", ha->host_no,
118 mbx_cmd[0]));
119 ha->mailbox_timeout_count++;
120 mbx_sts[0] = (-1);
121 set_bit(DPC_RESET_HA, &ha->dpc_flags);
122 goto mbox_exit;
123 }
124
125 /*
126 * Copy the mailbox out registers to the caller's mailbox in/out
127 * structure.
128 */
129 spin_lock_irqsave(&ha->hardware_lock, flags);
130 for (i = 0; i < outCount; i++)
131 mbx_sts[i] = ha->mbox_status[i];
132
133 /* Set return status and error flags (if applicable). */
134 switch (ha->mbox_status[0]) {
135 case MBOX_STS_COMMAND_COMPLETE:
136 status = QLA_SUCCESS;
137 break;
138
139 case MBOX_STS_INTERMEDIATE_COMPLETION:
140 status = QLA_SUCCESS;
141 break;
142
143 case MBOX_STS_BUSY:
144 DEBUG2( printk("scsi%ld: %s: Cmd = %08X, ISP BUSY\n",
145 ha->host_no, __func__, mbx_cmd[0]));
146 ha->mailbox_timeout_count++;
147 break;
148
149 default:
150 DEBUG2(printk("scsi%ld: %s: **** FAILED, cmd = %08X, "
151 "sts = %08X ****\n", ha->host_no, __func__,
152 mbx_cmd[0], mbx_sts[0]));
153 break;
154 }
155 spin_unlock_irqrestore(&ha->hardware_lock, flags);
156
157mbox_exit:
158 clear_bit(AF_MBOX_COMMAND, &ha->flags);
159 clear_bit(AF_MBOX_COMMAND_DONE, &ha->flags);
160 mutex_unlock(&ha->mbox_sem);
161
162 return status;
163}
164
165
166/**
167 * qla4xxx_issue_iocb - issue mailbox iocb command
168 * @ha: adapter state pointer.
169 * @buffer: buffer pointer.
170 * @phys_addr: physical address of buffer.
171 * @size: size of buffer.
172 *
173 * Issues iocbs via mailbox commands.
174 * TARGET_QUEUE_LOCK must be released.
175 * ADAPTER_STATE_LOCK must be released.
176 **/
177int
178qla4xxx_issue_iocb(struct scsi_qla_host * ha, void *buffer,
179 dma_addr_t phys_addr, size_t size)
180{
181 uint32_t mbox_cmd[MBOX_REG_COUNT];
182 uint32_t mbox_sts[MBOX_REG_COUNT];
183 int status;
184
185 memset(&mbox_cmd, 0, sizeof(mbox_cmd));
186 memset(&mbox_sts, 0, sizeof(mbox_sts));
187 mbox_cmd[0] = MBOX_CMD_EXECUTE_IOCB_A64;
188 mbox_cmd[1] = 0;
189 mbox_cmd[2] = LSDW(phys_addr);
190 mbox_cmd[3] = MSDW(phys_addr);
191 status = qla4xxx_mailbox_command(ha, 4, 1, &mbox_cmd[0], &mbox_sts[0]);
192 return status;
193}
194
195int qla4xxx_conn_close_sess_logout(struct scsi_qla_host * ha,
196 uint16_t fw_ddb_index,
197 uint16_t connection_id,
198 uint16_t option)
199{
200 uint32_t mbox_cmd[MBOX_REG_COUNT];
201 uint32_t mbox_sts[MBOX_REG_COUNT];
202
203 memset(&mbox_cmd, 0, sizeof(mbox_cmd));
204 memset(&mbox_sts, 0, sizeof(mbox_sts));
205 mbox_cmd[0] = MBOX_CMD_CONN_CLOSE_SESS_LOGOUT;
206 mbox_cmd[1] = fw_ddb_index;
207 mbox_cmd[2] = connection_id;
208 mbox_cmd[3] = LOGOUT_OPTION_RELOGIN;
209 if (qla4xxx_mailbox_command(ha, 4, 2, &mbox_cmd[0], &mbox_sts[0]) !=
210 QLA_SUCCESS) {
211 DEBUG2(printk("scsi%ld: %s: MBOX_CMD_CONN_CLOSE_SESS_LOGOUT "
212 "option %04x failed sts %04X %04X",
213 ha->host_no, __func__,
214 option, mbox_sts[0], mbox_sts[1]));
215 if (mbox_sts[0] == 0x4005)
216 DEBUG2(printk("%s reason %04X\n", __func__,
217 mbox_sts[1]));
218 }
219 return QLA_SUCCESS;
220}
221
222int qla4xxx_clear_database_entry(struct scsi_qla_host * ha,
223 uint16_t fw_ddb_index)
224{
225 uint32_t mbox_cmd[MBOX_REG_COUNT];
226 uint32_t mbox_sts[MBOX_REG_COUNT];
227
228 memset(&mbox_cmd, 0, sizeof(mbox_cmd));
229 memset(&mbox_sts, 0, sizeof(mbox_sts));
230 mbox_cmd[0] = MBOX_CMD_CLEAR_DATABASE_ENTRY;
231 mbox_cmd[1] = fw_ddb_index;
232 if (qla4xxx_mailbox_command(ha, 2, 5, &mbox_cmd[0], &mbox_sts[0]) !=
233 QLA_SUCCESS)
234 return QLA_ERROR;
235
236 return QLA_SUCCESS;
237}
238
239/**
240 * qla4xxx_initialize_fw_cb - initializes firmware control block.
241 * @ha: Pointer to host adapter structure.
242 **/
243int qla4xxx_initialize_fw_cb(struct scsi_qla_host * ha)
244{
245 struct init_fw_ctrl_blk *init_fw_cb;
246 dma_addr_t init_fw_cb_dma;
247 uint32_t mbox_cmd[MBOX_REG_COUNT];
248 uint32_t mbox_sts[MBOX_REG_COUNT];
249 int status = QLA_ERROR;
250
251 init_fw_cb = dma_alloc_coherent(&ha->pdev->dev,
252 sizeof(struct init_fw_ctrl_blk),
253 &init_fw_cb_dma, GFP_KERNEL);
254 if (init_fw_cb == NULL) {
255 DEBUG2(printk("scsi%ld: %s: Unable to alloc init_cb\n",
256 ha->host_no, __func__));
257 return 10;
258 }
259 memset(init_fw_cb, 0, sizeof(struct init_fw_ctrl_blk));
260
261 /* Get Initialize Firmware Control Block. */
262 memset(&mbox_cmd, 0, sizeof(mbox_cmd));
263 memset(&mbox_sts, 0, sizeof(mbox_sts));
264 mbox_cmd[0] = MBOX_CMD_GET_INIT_FW_CTRL_BLOCK;
265 mbox_cmd[2] = LSDW(init_fw_cb_dma);
266 mbox_cmd[3] = MSDW(init_fw_cb_dma);
267 if (qla4xxx_mailbox_command(ha, 4, 1, &mbox_cmd[0], &mbox_sts[0]) !=
268 QLA_SUCCESS) {
269 dma_free_coherent(&ha->pdev->dev,
270 sizeof(struct init_fw_ctrl_blk),
271 init_fw_cb, init_fw_cb_dma);
272 return status;
273 }
274
275 /* Initialize request and response queues. */
276 qla4xxx_init_rings(ha);
277
278 /* Fill in the request and response queue information. */
279 init_fw_cb->ReqQConsumerIndex = cpu_to_le16(ha->request_out);
280 init_fw_cb->ComplQProducerIndex = cpu_to_le16(ha->response_in);
281 init_fw_cb->ReqQLen = __constant_cpu_to_le16(REQUEST_QUEUE_DEPTH);
282 init_fw_cb->ComplQLen = __constant_cpu_to_le16(RESPONSE_QUEUE_DEPTH);
283 init_fw_cb->ReqQAddrLo = cpu_to_le32(LSDW(ha->request_dma));
284 init_fw_cb->ReqQAddrHi = cpu_to_le32(MSDW(ha->request_dma));
285 init_fw_cb->ComplQAddrLo = cpu_to_le32(LSDW(ha->response_dma));
286 init_fw_cb->ComplQAddrHi = cpu_to_le32(MSDW(ha->response_dma));
287 init_fw_cb->ShadowRegBufAddrLo =
288 cpu_to_le32(LSDW(ha->shadow_regs_dma));
289 init_fw_cb->ShadowRegBufAddrHi =
290 cpu_to_le32(MSDW(ha->shadow_regs_dma));
291
292 /* Set up required options. */
293 init_fw_cb->FwOptions |=
294 __constant_cpu_to_le16(FWOPT_SESSION_MODE |
295 FWOPT_INITIATOR_MODE);
296 init_fw_cb->FwOptions &= __constant_cpu_to_le16(~FWOPT_TARGET_MODE);
297
298 /* Save some info in adapter structure. */
299 ha->firmware_options = le16_to_cpu(init_fw_cb->FwOptions);
300 ha->tcp_options = le16_to_cpu(init_fw_cb->TCPOptions);
301 ha->heartbeat_interval = init_fw_cb->HeartbeatInterval;
302 memcpy(ha->ip_address, init_fw_cb->IPAddr,
303 min(sizeof(ha->ip_address), sizeof(init_fw_cb->IPAddr)));
304 memcpy(ha->subnet_mask, init_fw_cb->SubnetMask,
305 min(sizeof(ha->subnet_mask), sizeof(init_fw_cb->SubnetMask)));
306 memcpy(ha->gateway, init_fw_cb->GatewayIPAddr,
307 min(sizeof(ha->gateway), sizeof(init_fw_cb->GatewayIPAddr)));
308 memcpy(ha->name_string, init_fw_cb->iSCSINameString,
309 min(sizeof(ha->name_string),
310 sizeof(init_fw_cb->iSCSINameString)));
311 memcpy(ha->alias, init_fw_cb->Alias,
312 min(sizeof(ha->alias), sizeof(init_fw_cb->Alias)));
313
314 /* Save Command Line Paramater info */
315 ha->port_down_retry_count = le16_to_cpu(init_fw_cb->KeepAliveTimeout);
316 ha->discovery_wait = ql4xdiscoverywait;
317
318 /* Send Initialize Firmware Control Block. */
319 mbox_cmd[0] = MBOX_CMD_INITIALIZE_FIRMWARE;
320 mbox_cmd[1] = 0;
321 mbox_cmd[2] = LSDW(init_fw_cb_dma);
322 mbox_cmd[3] = MSDW(init_fw_cb_dma);
323 if (qla4xxx_mailbox_command(ha, 4, 1, &mbox_cmd[0], &mbox_sts[0]) ==
324 QLA_SUCCESS)
325 status = QLA_SUCCESS;
326 else {
327 DEBUG2(printk("scsi%ld: %s: MBOX_CMD_INITIALIZE_FIRMWARE "
328 "failed w/ status %04X\n", ha->host_no, __func__,
329 mbox_sts[0]));
330 }
331 dma_free_coherent(&ha->pdev->dev, sizeof(struct init_fw_ctrl_blk),
332 init_fw_cb, init_fw_cb_dma);
333
334 return status;
335}
336
337/**
338 * qla4xxx_get_dhcp_ip_address - gets HBA ip address via DHCP
339 * @ha: Pointer to host adapter structure.
340 **/
341int qla4xxx_get_dhcp_ip_address(struct scsi_qla_host * ha)
342{
343 struct init_fw_ctrl_blk *init_fw_cb;
344 dma_addr_t init_fw_cb_dma;
345 uint32_t mbox_cmd[MBOX_REG_COUNT];
346 uint32_t mbox_sts[MBOX_REG_COUNT];
347
348 init_fw_cb = dma_alloc_coherent(&ha->pdev->dev,
349 sizeof(struct init_fw_ctrl_blk),
350 &init_fw_cb_dma, GFP_KERNEL);
351 if (init_fw_cb == NULL) {
352 printk("scsi%ld: %s: Unable to alloc init_cb\n", ha->host_no,
353 __func__);
354 return 10;
355 }
356
357 /* Get Initialize Firmware Control Block. */
358 memset(&mbox_cmd, 0, sizeof(mbox_cmd));
359 memset(&mbox_sts, 0, sizeof(mbox_sts));
360 memset(init_fw_cb, 0, sizeof(struct init_fw_ctrl_blk));
361 mbox_cmd[0] = MBOX_CMD_GET_INIT_FW_CTRL_BLOCK;
362 mbox_cmd[2] = LSDW(init_fw_cb_dma);
363 mbox_cmd[3] = MSDW(init_fw_cb_dma);
364
365 if (qla4xxx_mailbox_command(ha, 4, 1, &mbox_cmd[0], &mbox_sts[0]) !=
366 QLA_SUCCESS) {
367 DEBUG2(printk("scsi%ld: %s: Failed to get init_fw_ctrl_blk\n",
368 ha->host_no, __func__));
369 dma_free_coherent(&ha->pdev->dev,
370 sizeof(struct init_fw_ctrl_blk),
371 init_fw_cb, init_fw_cb_dma);
372 return QLA_ERROR;
373 }
374
375 /* Save IP Address. */
376 memcpy(ha->ip_address, init_fw_cb->IPAddr,
377 min(sizeof(ha->ip_address), sizeof(init_fw_cb->IPAddr)));
378 memcpy(ha->subnet_mask, init_fw_cb->SubnetMask,
379 min(sizeof(ha->subnet_mask), sizeof(init_fw_cb->SubnetMask)));
380 memcpy(ha->gateway, init_fw_cb->GatewayIPAddr,
381 min(sizeof(ha->gateway), sizeof(init_fw_cb->GatewayIPAddr)));
382
383 dma_free_coherent(&ha->pdev->dev, sizeof(struct init_fw_ctrl_blk),
384 init_fw_cb, init_fw_cb_dma);
385
386 return QLA_SUCCESS;
387}
388
389/**
390 * qla4xxx_get_firmware_state - gets firmware state of HBA
391 * @ha: Pointer to host adapter structure.
392 **/
393int qla4xxx_get_firmware_state(struct scsi_qla_host * ha)
394{
395 uint32_t mbox_cmd[MBOX_REG_COUNT];
396 uint32_t mbox_sts[MBOX_REG_COUNT];
397
398 /* Get firmware version */
399 memset(&mbox_cmd, 0, sizeof(mbox_cmd));
400 memset(&mbox_sts, 0, sizeof(mbox_sts));
401 mbox_cmd[0] = MBOX_CMD_GET_FW_STATE;
402 if (qla4xxx_mailbox_command(ha, 1, 4, &mbox_cmd[0], &mbox_sts[0]) !=
403 QLA_SUCCESS) {
404 DEBUG2(printk("scsi%ld: %s: MBOX_CMD_GET_FW_STATE failed w/ "
405 "status %04X\n", ha->host_no, __func__,
406 mbox_sts[0]));
407 return QLA_ERROR;
408 }
409 ha->firmware_state = mbox_sts[1];
410 ha->board_id = mbox_sts[2];
411 ha->addl_fw_state = mbox_sts[3];
412 DEBUG2(printk("scsi%ld: %s firmware_state=0x%x\n",
413 ha->host_no, __func__, ha->firmware_state);)
414
415 return QLA_SUCCESS;
416}
417
418/**
419 * qla4xxx_get_firmware_status - retrieves firmware status
420 * @ha: Pointer to host adapter structure.
421 **/
422int qla4xxx_get_firmware_status(struct scsi_qla_host * ha)
423{
424 uint32_t mbox_cmd[MBOX_REG_COUNT];
425 uint32_t mbox_sts[MBOX_REG_COUNT];
426
427 /* Get firmware version */
428 memset(&mbox_cmd, 0, sizeof(mbox_cmd));
429 memset(&mbox_sts, 0, sizeof(mbox_sts));
430 mbox_cmd[0] = MBOX_CMD_GET_FW_STATUS;
431 if (qla4xxx_mailbox_command(ha, 1, 3, &mbox_cmd[0], &mbox_sts[0]) !=
432 QLA_SUCCESS) {
433 DEBUG2(printk("scsi%ld: %s: MBOX_CMD_GET_FW_STATUS failed w/ "
434 "status %04X\n", ha->host_no, __func__,
435 mbox_sts[0]));
436 return QLA_ERROR;
437 }
438
439 /* High-water mark of IOCBs */
440 ha->iocb_hiwat = mbox_sts[2];
441 if (ha->iocb_hiwat > IOCB_HIWAT_CUSHION)
442 ha->iocb_hiwat -= IOCB_HIWAT_CUSHION;
443 else
444 dev_info(&ha->pdev->dev, "WARNING!!! You have less than %d "
445 "firmare IOCBs available (%d).\n",
446 IOCB_HIWAT_CUSHION, ha->iocb_hiwat);
447
448 return QLA_SUCCESS;
449}
450
451/**
452 * qla4xxx_get_fwddb_entry - retrieves firmware ddb entry
453 * @ha: Pointer to host adapter structure.
454 * @fw_ddb_index: Firmware's device database index
455 * @fw_ddb_entry: Pointer to firmware's device database entry structure
456 * @num_valid_ddb_entries: Pointer to number of valid ddb entries
457 * @next_ddb_index: Pointer to next valid device database index
458 * @fw_ddb_device_state: Pointer to device state
459 **/
460int qla4xxx_get_fwddb_entry(struct scsi_qla_host *ha,
461 uint16_t fw_ddb_index,
462 struct dev_db_entry *fw_ddb_entry,
463 dma_addr_t fw_ddb_entry_dma,
464 uint32_t *num_valid_ddb_entries,
465 uint32_t *next_ddb_index,
466 uint32_t *fw_ddb_device_state,
467 uint32_t *conn_err_detail,
468 uint16_t *tcp_source_port_num,
469 uint16_t *connection_id)
470{
471 int status = QLA_ERROR;
472 uint32_t mbox_cmd[MBOX_REG_COUNT];
473 uint32_t mbox_sts[MBOX_REG_COUNT];
474
475 /* Make sure the device index is valid */
476 if (fw_ddb_index >= MAX_DDB_ENTRIES) {
477 DEBUG2(printk("scsi%ld: %s: index [%d] out of range.\n",
478 ha->host_no, __func__, fw_ddb_index));
479 goto exit_get_fwddb;
480 }
481 memset(&mbox_cmd, 0, sizeof(mbox_cmd));
482 memset(&mbox_sts, 0, sizeof(mbox_sts));
483 mbox_cmd[0] = MBOX_CMD_GET_DATABASE_ENTRY;
484 mbox_cmd[1] = (uint32_t) fw_ddb_index;
485 mbox_cmd[2] = LSDW(fw_ddb_entry_dma);
486 mbox_cmd[3] = MSDW(fw_ddb_entry_dma);
487 if (qla4xxx_mailbox_command(ha, 4, 7, &mbox_cmd[0], &mbox_sts[0]) ==
488 QLA_ERROR) {
489 DEBUG2(printk("scsi%ld: %s: MBOX_CMD_GET_DATABASE_ENTRY failed"
490 " with status 0x%04X\n", ha->host_no, __func__,
491 mbox_sts[0]));
492 goto exit_get_fwddb;
493 }
494 if (fw_ddb_index != mbox_sts[1]) {
495 DEBUG2(printk("scsi%ld: %s: index mismatch [%d] != [%d].\n",
496 ha->host_no, __func__, fw_ddb_index,
497 mbox_sts[1]));
498 goto exit_get_fwddb;
499 }
500 if (fw_ddb_entry) {
501 dev_info(&ha->pdev->dev, "DDB[%d] MB0 %04x Tot %d Next %d "
502 "State %04x ConnErr %08x %d.%d.%d.%d:%04d \"%s\"\n",
503 fw_ddb_index, mbox_sts[0], mbox_sts[2], mbox_sts[3],
504 mbox_sts[4], mbox_sts[5], fw_ddb_entry->ipAddr[0],
505 fw_ddb_entry->ipAddr[1], fw_ddb_entry->ipAddr[2],
506 fw_ddb_entry->ipAddr[3],
507 le16_to_cpu(fw_ddb_entry->portNumber),
508 fw_ddb_entry->iscsiName);
509 }
510 if (num_valid_ddb_entries)
511 *num_valid_ddb_entries = mbox_sts[2];
512 if (next_ddb_index)
513 *next_ddb_index = mbox_sts[3];
514 if (fw_ddb_device_state)
515 *fw_ddb_device_state = mbox_sts[4];
516
517 /*
518 * RA: This mailbox has been changed to pass connection error and
519 * details. Its true for ISP4010 as per Version E - Not sure when it
520 * was changed. Get the time2wait from the fw_dd_entry field :
521 * default_time2wait which we call it as minTime2Wait DEV_DB_ENTRY
522 * struct.
523 */
524 if (conn_err_detail)
525 *conn_err_detail = mbox_sts[5];
526 if (tcp_source_port_num)
527 *tcp_source_port_num = (uint16_t) mbox_sts[6] >> 16;
528 if (connection_id)
529 *connection_id = (uint16_t) mbox_sts[6] & 0x00FF;
530 status = QLA_SUCCESS;
531
532exit_get_fwddb:
533 return status;
534}
535
536/**
537 * qla4xxx_set_fwddb_entry - sets a ddb entry.
538 * @ha: Pointer to host adapter structure.
539 * @fw_ddb_index: Firmware's device database index
540 * @fw_ddb_entry: Pointer to firmware's ddb entry structure, or NULL.
541 *
542 * This routine initializes or updates the adapter's device database
543 * entry for the specified device. It also triggers a login for the
544 * specified device. Therefore, it may also be used as a secondary
545 * login routine when a NULL pointer is specified for the fw_ddb_entry.
546 **/
547int qla4xxx_set_ddb_entry(struct scsi_qla_host * ha, uint16_t fw_ddb_index,
548 dma_addr_t fw_ddb_entry_dma)
549{
550 uint32_t mbox_cmd[MBOX_REG_COUNT];
551 uint32_t mbox_sts[MBOX_REG_COUNT];
552
553 /* Do not wait for completion. The firmware will send us an
554 * ASTS_DATABASE_CHANGED (0x8014) to notify us of the login status.
555 */
556 memset(&mbox_cmd, 0, sizeof(mbox_cmd));
557 memset(&mbox_sts, 0, sizeof(mbox_sts));
558
559 mbox_cmd[0] = MBOX_CMD_SET_DATABASE_ENTRY;
560 mbox_cmd[1] = (uint32_t) fw_ddb_index;
561 mbox_cmd[2] = LSDW(fw_ddb_entry_dma);
562 mbox_cmd[3] = MSDW(fw_ddb_entry_dma);
563 return qla4xxx_mailbox_command(ha, 4, 1, &mbox_cmd[0], &mbox_sts[0]);
564}
565
566int qla4xxx_conn_open_session_login(struct scsi_qla_host * ha,
567 uint16_t fw_ddb_index)
568{
569 int status = QLA_ERROR;
570 uint32_t mbox_cmd[MBOX_REG_COUNT];
571 uint32_t mbox_sts[MBOX_REG_COUNT];
572
573 /* Do not wait for completion. The firmware will send us an
574 * ASTS_DATABASE_CHANGED (0x8014) to notify us of the login status.
575 */
576 memset(&mbox_cmd, 0, sizeof(mbox_cmd));
577 memset(&mbox_sts, 0, sizeof(mbox_sts));
578 mbox_cmd[0] = MBOX_CMD_CONN_OPEN_SESS_LOGIN;
579 mbox_cmd[1] = (uint32_t) fw_ddb_index;
580 mbox_cmd[2] = 0;
581 mbox_cmd[3] = 0;
582 mbox_cmd[4] = 0;
583 status = qla4xxx_mailbox_command(ha, 4, 0, &mbox_cmd[0], &mbox_sts[0]);
584 DEBUG2(printk("%s fw_ddb_index=%d status=%d mbx0_1=0x%x :0x%x\n",
585 __func__, fw_ddb_index, status, mbox_sts[0],
586 mbox_sts[1]);)
587
588 return status;
589}
590
591/**
592 * qla4xxx_get_crash_record - retrieves crash record.
593 * @ha: Pointer to host adapter structure.
594 *
595 * This routine retrieves a crash record from the QLA4010 after an 8002h aen.
596 **/
597void qla4xxx_get_crash_record(struct scsi_qla_host * ha)
598{
599 uint32_t mbox_cmd[MBOX_REG_COUNT];
600 uint32_t mbox_sts[MBOX_REG_COUNT];
601 struct crash_record *crash_record = NULL;
602 dma_addr_t crash_record_dma = 0;
603 uint32_t crash_record_size = 0;
604 memset(&mbox_cmd, 0, sizeof(mbox_cmd));
605 memset(&mbox_sts, 0, sizeof(mbox_cmd));
606
607 /* Get size of crash record. */
608 mbox_cmd[0] = MBOX_CMD_GET_CRASH_RECORD;
609 if (qla4xxx_mailbox_command(ha, 5, 5, &mbox_cmd[0], &mbox_sts[0]) !=
610 QLA_SUCCESS) {
611 DEBUG2(printk("scsi%ld: %s: ERROR: Unable to retrieve size!\n",
612 ha->host_no, __func__));
613 goto exit_get_crash_record;
614 }
615 crash_record_size = mbox_sts[4];
616 if (crash_record_size == 0) {
617 DEBUG2(printk("scsi%ld: %s: ERROR: Crash record size is 0!\n",
618 ha->host_no, __func__));
619 goto exit_get_crash_record;
620 }
621
622 /* Alloc Memory for Crash Record. */
623 crash_record = dma_alloc_coherent(&ha->pdev->dev, crash_record_size,
624 &crash_record_dma, GFP_KERNEL);
625 if (crash_record == NULL)
626 goto exit_get_crash_record;
627
628 /* Get Crash Record. */
629 mbox_cmd[0] = MBOX_CMD_GET_CRASH_RECORD;
630 mbox_cmd[2] = LSDW(crash_record_dma);
631 mbox_cmd[3] = MSDW(crash_record_dma);
632 mbox_cmd[4] = crash_record_size;
633 if (qla4xxx_mailbox_command(ha, 5, 5, &mbox_cmd[0], &mbox_sts[0]) !=
634 QLA_SUCCESS)
635 goto exit_get_crash_record;
636
637 /* Dump Crash Record. */
638
639exit_get_crash_record:
640 if (crash_record)
641 dma_free_coherent(&ha->pdev->dev, crash_record_size,
642 crash_record, crash_record_dma);
643}
644
645/**
646 * qla4xxx_get_conn_event_log - retrieves connection event log
647 * @ha: Pointer to host adapter structure.
648 **/
649void qla4xxx_get_conn_event_log(struct scsi_qla_host * ha)
650{
651 uint32_t mbox_cmd[MBOX_REG_COUNT];
652 uint32_t mbox_sts[MBOX_REG_COUNT];
653 struct conn_event_log_entry *event_log = NULL;
654 dma_addr_t event_log_dma = 0;
655 uint32_t event_log_size = 0;
656 uint32_t num_valid_entries;
657 uint32_t oldest_entry = 0;
658 uint32_t max_event_log_entries;
659 uint8_t i;
660
661
662 memset(&mbox_cmd, 0, sizeof(mbox_cmd));
663 memset(&mbox_sts, 0, sizeof(mbox_cmd));
664
665 /* Get size of crash record. */
666 mbox_cmd[0] = MBOX_CMD_GET_CONN_EVENT_LOG;
667 if (qla4xxx_mailbox_command(ha, 4, 5, &mbox_cmd[0], &mbox_sts[0]) !=
668 QLA_SUCCESS)
669 goto exit_get_event_log;
670
671 event_log_size = mbox_sts[4];
672 if (event_log_size == 0)
673 goto exit_get_event_log;
674
675 /* Alloc Memory for Crash Record. */
676 event_log = dma_alloc_coherent(&ha->pdev->dev, event_log_size,
677 &event_log_dma, GFP_KERNEL);
678 if (event_log == NULL)
679 goto exit_get_event_log;
680
681 /* Get Crash Record. */
682 mbox_cmd[0] = MBOX_CMD_GET_CONN_EVENT_LOG;
683 mbox_cmd[2] = LSDW(event_log_dma);
684 mbox_cmd[3] = MSDW(event_log_dma);
685 if (qla4xxx_mailbox_command(ha, 4, 5, &mbox_cmd[0], &mbox_sts[0]) !=
686 QLA_SUCCESS) {
687 DEBUG2(printk("scsi%ld: %s: ERROR: Unable to retrieve event "
688 "log!\n", ha->host_no, __func__));
689 goto exit_get_event_log;
690 }
691
692 /* Dump Event Log. */
693 num_valid_entries = mbox_sts[1];
694
695 max_event_log_entries = event_log_size /
696 sizeof(struct conn_event_log_entry);
697
698 if (num_valid_entries > max_event_log_entries)
699 oldest_entry = num_valid_entries % max_event_log_entries;
700
701 DEBUG3(printk("scsi%ld: Connection Event Log Dump (%d entries):\n",
702 ha->host_no, num_valid_entries));
703
704 if (extended_error_logging == 3) {
705 if (oldest_entry == 0) {
706 /* Circular Buffer has not wrapped around */
707 for (i=0; i < num_valid_entries; i++) {
708 qla4xxx_dump_buffer((uint8_t *)event_log+
709 (i*sizeof(*event_log)),
710 sizeof(*event_log));
711 }
712 }
713 else {
714 /* Circular Buffer has wrapped around -
715 * display accordingly*/
716 for (i=oldest_entry; i < max_event_log_entries; i++) {
717 qla4xxx_dump_buffer((uint8_t *)event_log+
718 (i*sizeof(*event_log)),
719 sizeof(*event_log));
720 }
721 for (i=0; i < oldest_entry; i++) {
722 qla4xxx_dump_buffer((uint8_t *)event_log+
723 (i*sizeof(*event_log)),
724 sizeof(*event_log));
725 }
726 }
727 }
728
729exit_get_event_log:
730 if (event_log)
731 dma_free_coherent(&ha->pdev->dev, event_log_size, event_log,
732 event_log_dma);
733}
734
735/**
736 * qla4xxx_reset_lun - issues LUN Reset
737 * @ha: Pointer to host adapter structure.
738 * @db_entry: Pointer to device database entry
739 * @un_entry: Pointer to lun entry structure
740 *
741 * This routine performs a LUN RESET on the specified target/lun.
742 * The caller must ensure that the ddb_entry and lun_entry pointers
743 * are valid before calling this routine.
744 **/
745int qla4xxx_reset_lun(struct scsi_qla_host * ha, struct ddb_entry * ddb_entry,
746 int lun)
747{
748 uint32_t mbox_cmd[MBOX_REG_COUNT];
749 uint32_t mbox_sts[MBOX_REG_COUNT];
750 int status = QLA_SUCCESS;
751
752 DEBUG2(printk("scsi%ld:%d:%d: lun reset issued\n", ha->host_no,
753 ddb_entry->os_target_id, lun));
754
755 /*
756 * Send lun reset command to ISP, so that the ISP will return all
757 * outstanding requests with RESET status
758 */
759 memset(&mbox_cmd, 0, sizeof(mbox_cmd));
760 memset(&mbox_sts, 0, sizeof(mbox_sts));
761 mbox_cmd[0] = MBOX_CMD_LUN_RESET;
762 mbox_cmd[1] = ddb_entry->fw_ddb_index;
763 mbox_cmd[2] = lun << 8;
764 mbox_cmd[5] = 0x01; /* Immediate Command Enable */
765 qla4xxx_mailbox_command(ha, 6, 1, &mbox_cmd[0], &mbox_sts[0]);
766 if (mbox_sts[0] != MBOX_STS_COMMAND_COMPLETE &&
767 mbox_sts[0] != MBOX_STS_COMMAND_ERROR)
768 status = QLA_ERROR;
769
770 return status;
771}
772
773
774int qla4xxx_get_flash(struct scsi_qla_host * ha, dma_addr_t dma_addr,
775 uint32_t offset, uint32_t len)
776{
777 uint32_t mbox_cmd[MBOX_REG_COUNT];
778 uint32_t mbox_sts[MBOX_REG_COUNT];
779
780 memset(&mbox_cmd, 0, sizeof(mbox_cmd));
781 memset(&mbox_sts, 0, sizeof(mbox_sts));
782 mbox_cmd[0] = MBOX_CMD_READ_FLASH;
783 mbox_cmd[1] = LSDW(dma_addr);
784 mbox_cmd[2] = MSDW(dma_addr);
785 mbox_cmd[3] = offset;
786 mbox_cmd[4] = len;
787 if (qla4xxx_mailbox_command(ha, 5, 2, &mbox_cmd[0], &mbox_sts[0]) !=
788 QLA_SUCCESS) {
789 DEBUG2(printk("scsi%ld: %s: MBOX_CMD_READ_FLASH, failed w/ "
790 "status %04X %04X, offset %08x, len %08x\n", ha->host_no,
791 __func__, mbox_sts[0], mbox_sts[1], offset, len));
792 return QLA_ERROR;
793 }
794 return QLA_SUCCESS;
795}
796
797/**
798 * qla4xxx_get_fw_version - gets firmware version
799 * @ha: Pointer to host adapter structure.
800 *
801 * Retrieves the firmware version on HBA. In QLA4010, mailboxes 2 & 3 may
802 * hold an address for data. Make sure that we write 0 to those mailboxes,
803 * if unused.
804 **/
805int qla4xxx_get_fw_version(struct scsi_qla_host * ha)
806{
807 uint32_t mbox_cmd[MBOX_REG_COUNT];
808 uint32_t mbox_sts[MBOX_REG_COUNT];
809
810 /* Get firmware version. */
811 memset(&mbox_cmd, 0, sizeof(mbox_cmd));
812 memset(&mbox_sts, 0, sizeof(mbox_sts));
813 mbox_cmd[0] = MBOX_CMD_ABOUT_FW;
814 if (qla4xxx_mailbox_command(ha, 4, 5, &mbox_cmd[0], &mbox_sts[0]) !=
815 QLA_SUCCESS) {
816 DEBUG2(printk("scsi%ld: %s: MBOX_CMD_ABOUT_FW failed w/ "
817 "status %04X\n", ha->host_no, __func__, mbox_sts[0]));
818 return QLA_ERROR;
819 }
820
821 /* Save firmware version information. */
822 ha->firmware_version[0] = mbox_sts[1];
823 ha->firmware_version[1] = mbox_sts[2];
824 ha->patch_number = mbox_sts[3];
825 ha->build_number = mbox_sts[4];
826
827 return QLA_SUCCESS;
828}
829
830int qla4xxx_get_default_ddb(struct scsi_qla_host *ha, dma_addr_t dma_addr)
831{
832 uint32_t mbox_cmd[MBOX_REG_COUNT];
833 uint32_t mbox_sts[MBOX_REG_COUNT];
834
835 memset(&mbox_cmd, 0, sizeof(mbox_cmd));
836 memset(&mbox_sts, 0, sizeof(mbox_sts));
837
838 mbox_cmd[0] = MBOX_CMD_GET_DATABASE_ENTRY_DEFAULTS;
839 mbox_cmd[2] = LSDW(dma_addr);
840 mbox_cmd[3] = MSDW(dma_addr);
841
842 if (qla4xxx_mailbox_command(ha, 4, 1, &mbox_cmd[0], &mbox_sts[0]) !=
843 QLA_SUCCESS) {
844 DEBUG2(printk("scsi%ld: %s: failed status %04X\n",
845 ha->host_no, __func__, mbox_sts[0]));
846 return QLA_ERROR;
847 }
848 return QLA_SUCCESS;
849}
850
851int qla4xxx_req_ddb_entry(struct scsi_qla_host *ha, uint32_t *ddb_index)
852{
853 uint32_t mbox_cmd[MBOX_REG_COUNT];
854 uint32_t mbox_sts[MBOX_REG_COUNT];
855
856 memset(&mbox_cmd, 0, sizeof(mbox_cmd));
857 memset(&mbox_sts, 0, sizeof(mbox_sts));
858
859 mbox_cmd[0] = MBOX_CMD_REQUEST_DATABASE_ENTRY;
860 mbox_cmd[1] = MAX_PRST_DEV_DB_ENTRIES;
861
862 if (qla4xxx_mailbox_command(ha, 2, 3, &mbox_cmd[0], &mbox_sts[0]) !=
863 QLA_SUCCESS) {
864 if (mbox_sts[0] == MBOX_STS_COMMAND_ERROR) {
865 *ddb_index = mbox_sts[2];
866 } else {
867 DEBUG2(printk("scsi%ld: %s: failed status %04X\n",
868 ha->host_no, __func__, mbox_sts[0]));
869 return QLA_ERROR;
870 }
871 } else {
872 *ddb_index = MAX_PRST_DEV_DB_ENTRIES;
873 }
874
875 return QLA_SUCCESS;
876}
877
878
879int qla4xxx_send_tgts(struct scsi_qla_host *ha, char *ip, uint16_t port)
880{
881 struct dev_db_entry *fw_ddb_entry;
882 dma_addr_t fw_ddb_entry_dma;
883 uint32_t ddb_index;
884 int ret_val = QLA_SUCCESS;
885
886
887 fw_ddb_entry = dma_alloc_coherent(&ha->pdev->dev,
888 sizeof(*fw_ddb_entry),
889 &fw_ddb_entry_dma, GFP_KERNEL);
890 if (!fw_ddb_entry) {
891 DEBUG2(printk("scsi%ld: %s: Unable to allocate dma buffer.\n",
892 ha->host_no, __func__));
893 ret_val = QLA_ERROR;
894 goto qla4xxx_send_tgts_exit;
895 }
896
897 ret_val = qla4xxx_get_default_ddb(ha, fw_ddb_entry_dma);
898 if (ret_val != QLA_SUCCESS)
899 goto qla4xxx_send_tgts_exit;
900
901 ret_val = qla4xxx_req_ddb_entry(ha, &ddb_index);
902 if (ret_val != QLA_SUCCESS)
903 goto qla4xxx_send_tgts_exit;
904
905 memset((void *)fw_ddb_entry->iSCSIAlias, 0,
906 sizeof(fw_ddb_entry->iSCSIAlias));
907
908 memset((void *)fw_ddb_entry->iscsiName, 0,
909 sizeof(fw_ddb_entry->iscsiName));
910
911 memset((void *)fw_ddb_entry->ipAddr, 0, sizeof(fw_ddb_entry->ipAddr));
912 memset((void *)fw_ddb_entry->targetAddr, 0,
913 sizeof(fw_ddb_entry->targetAddr));
914
915 fw_ddb_entry->options = (DDB_OPT_DISC_SESSION | DDB_OPT_TARGET);
916 fw_ddb_entry->portNumber = cpu_to_le16(ntohs(port));
917
918 fw_ddb_entry->ipAddr[0] = *ip;
919 fw_ddb_entry->ipAddr[1] = *(ip + 1);
920 fw_ddb_entry->ipAddr[2] = *(ip + 2);
921 fw_ddb_entry->ipAddr[3] = *(ip + 3);
922
923 ret_val = qla4xxx_set_ddb_entry(ha, ddb_index, fw_ddb_entry_dma);
924
925qla4xxx_send_tgts_exit:
926 dma_free_coherent(&ha->pdev->dev, sizeof(*fw_ddb_entry),
927 fw_ddb_entry, fw_ddb_entry_dma);
928 return ret_val;
929}
930
generated by cgit v1.2.2 (git 2.25.0) at 2024-12-24 18:34:12 -0500