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[pohmelfs.git] / drivers / scsi / qla4xxx / ql4_mbx.c
blobe1e66a45e4d06f59ab7e35a4b46999d3bba90106
1 /*
2 * QLogic iSCSI HBA Driver
3 * Copyright (c) 2003-2010 QLogic Corporation
4 *
5 * See LICENSE.qla4xxx for copyright and licensing details.
6 */
7
8 #include "ql4_def.h"
9 #include "ql4_glbl.h"
10 #include "ql4_dbg.h"
11 #include "ql4_inline.h"
12
13
14 /**
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.
21 *
22 * This routine issue mailbox commands and waits for completion.
23 * If outCount is 0, this routine completes successfully WITHOUT waiting
24 * for the mailbox command to complete.
25 **/
26 int qla4xxx_mailbox_command(struct scsi_qla_host *ha, uint8_t inCount,
27 uint8_t outCount, uint32_t *mbx_cmd,
28 uint32_t *mbx_sts)
29 {
30 int status = QLA_ERROR;
31 uint8_t i;
32 u_long wait_count;
33 uint32_t intr_status;
34 unsigned long flags = 0;
35 uint32_t dev_state;
36
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__));
41 return status;
42 }
43
44 if (is_qla40XX(ha)) {
45 if (test_bit(AF_HA_REMOVAL, &ha->flags)) {
46 DEBUG2(ql4_printk(KERN_WARNING, ha, "scsi%ld: %s: "
47 "prematurely completing mbx cmd as "
48 "adapter removal detected\n",
49 ha->host_no, __func__));
50 return status;
51 }
52 }
53
54 if (is_qla8022(ha)) {
55 if (test_bit(AF_FW_RECOVERY, &ha->flags)) {
56 DEBUG2(ql4_printk(KERN_WARNING, ha, "scsi%ld: %s: "
57 "prematurely completing mbx cmd as firmware "
58 "recovery detected\n", ha->host_no, __func__));
59 return status;
60 }
61 /* Do not send any mbx cmd if h/w is in failed state*/
62 qla4_8xxx_idc_lock(ha);
63 dev_state = qla4_8xxx_rd_32(ha, QLA82XX_CRB_DEV_STATE);
64 qla4_8xxx_idc_unlock(ha);
65 if (dev_state == QLA82XX_DEV_FAILED) {
66 ql4_printk(KERN_WARNING, ha, "scsi%ld: %s: H/W is in "
67 "failed state, do not send any mailbox commands\n",
68 ha->host_no, __func__);
69 return status;
70 }
71 }
72
73 if ((is_aer_supported(ha)) &&
74 (test_bit(AF_PCI_CHANNEL_IO_PERM_FAILURE, &ha->flags))) {
75 DEBUG2(printk(KERN_WARNING "scsi%ld: %s: Perm failure on EEH, "
76 "timeout MBX Exiting.\n", ha->host_no, __func__));
77 return status;
78 }
79
80 /* Mailbox code active */
81 wait_count = MBOX_TOV * 100;
82
83 while (wait_count--) {
84 mutex_lock(&ha->mbox_sem);
85 if (!test_bit(AF_MBOX_COMMAND, &ha->flags)) {
86 set_bit(AF_MBOX_COMMAND, &ha->flags);
87 mutex_unlock(&ha->mbox_sem);
88 break;
89 }
90 mutex_unlock(&ha->mbox_sem);
91 if (!wait_count) {
92 DEBUG2(printk("scsi%ld: %s: mbox_sem failed\n",
93 ha->host_no, __func__));
94 return status;
95 }
96 msleep(10);
97 }
98
99 spin_lock_irqsave(&ha->hardware_lock, flags);
100
101 ha->mbox_status_count = outCount;
102 for (i = 0; i < outCount; i++)
103 ha->mbox_status[i] = 0;
104
105 if (is_qla8022(ha)) {
106 /* Load all mailbox registers, except mailbox 0. */
107 DEBUG5(
108 printk("scsi%ld: %s: Cmd ", ha->host_no, __func__);
109 for (i = 0; i < inCount; i++)
110 printk("mb%d=%04x ", i, mbx_cmd[i]);
111 printk("\n"));
112
113 for (i = 1; i < inCount; i++)
114 writel(mbx_cmd[i], &ha->qla4_8xxx_reg->mailbox_in[i]);
115 writel(mbx_cmd[0], &ha->qla4_8xxx_reg->mailbox_in[0]);
116 readl(&ha->qla4_8xxx_reg->mailbox_in[0]);
117 writel(HINT_MBX_INT_PENDING, &ha->qla4_8xxx_reg->hint);
118 } else {
119 /* Load all mailbox registers, except mailbox 0. */
120 for (i = 1; i < inCount; i++)
121 writel(mbx_cmd[i], &ha->reg->mailbox[i]);
122
123 /* Wakeup firmware */
124 writel(mbx_cmd[0], &ha->reg->mailbox[0]);
125 readl(&ha->reg->mailbox[0]);
126 writel(set_rmask(CSR_INTR_RISC), &ha->reg->ctrl_status);
127 readl(&ha->reg->ctrl_status);
128 }
129
130 spin_unlock_irqrestore(&ha->hardware_lock, flags);
131
132 /* Wait for completion */
133
134 /*
135 * If we don't want status, don't wait for the mailbox command to
136 * complete. For example, MBOX_CMD_RESET_FW doesn't return status,
137 * you must poll the inbound Interrupt Mask for completion.
138 */
139 if (outCount == 0) {
140 status = QLA_SUCCESS;
141 goto mbox_exit;
142 }
143
144 /*
145 * Wait for completion: Poll or completion queue
146 */
147 if (test_bit(AF_IRQ_ATTACHED, &ha->flags) &&
148 test_bit(AF_INTERRUPTS_ON, &ha->flags) &&
149 test_bit(AF_ONLINE, &ha->flags) &&
150 !test_bit(AF_HA_REMOVAL, &ha->flags)) {
151 /* Do not poll for completion. Use completion queue */
152 set_bit(AF_MBOX_COMMAND_NOPOLL, &ha->flags);
153 wait_for_completion_timeout(&ha->mbx_intr_comp, MBOX_TOV * HZ);
154 clear_bit(AF_MBOX_COMMAND_NOPOLL, &ha->flags);
155 } else {
156 /* Poll for command to complete */
157 wait_count = jiffies + MBOX_TOV * HZ;
158 while (test_bit(AF_MBOX_COMMAND_DONE, &ha->flags) == 0) {
159 if (time_after_eq(jiffies, wait_count))
160 break;
161
162 /*
163 * Service the interrupt.
164 * The ISR will save the mailbox status registers
165 * to a temporary storage location in the adapter
166 * structure.
167 */
168
169 spin_lock_irqsave(&ha->hardware_lock, flags);
170 if (is_qla8022(ha)) {
171 intr_status =
172 readl(&ha->qla4_8xxx_reg->host_int);
173 if (intr_status & ISRX_82XX_RISC_INT) {
174 ha->mbox_status_count = outCount;
175 intr_status =
176 readl(&ha->qla4_8xxx_reg->host_status);
177 ha->isp_ops->interrupt_service_routine(
178 ha, intr_status);
179 if (test_bit(AF_INTERRUPTS_ON,
180 &ha->flags) &&
181 test_bit(AF_INTx_ENABLED,
182 &ha->flags))
183 qla4_8xxx_wr_32(ha,
184 ha->nx_legacy_intr.tgt_mask_reg,
185 0xfbff);
186 }
187 } else {
188 intr_status = readl(&ha->reg->ctrl_status);
189 if (intr_status & INTR_PENDING) {
190 /*
191 * Service the interrupt.
192 * The ISR will save the mailbox status
193 * registers to a temporary storage
194 * location in the adapter structure.
195 */
196 ha->mbox_status_count = outCount;
197 ha->isp_ops->interrupt_service_routine(
198 ha, intr_status);
199 }
200 }
201 spin_unlock_irqrestore(&ha->hardware_lock, flags);
202 msleep(10);
203 }
204 }
205
206 /* Check for mailbox timeout. */
207 if (!test_bit(AF_MBOX_COMMAND_DONE, &ha->flags)) {
208 if (is_qla8022(ha) &&
209 test_bit(AF_FW_RECOVERY, &ha->flags)) {
210 DEBUG2(ql4_printk(KERN_INFO, ha,
211 "scsi%ld: %s: prematurely completing mbx cmd as "
212 "firmware recovery detected\n",
213 ha->host_no, __func__));
214 goto mbox_exit;
215 }
216 DEBUG2(printk("scsi%ld: Mailbox Cmd 0x%08X timed out ...,"
217 " Scheduling Adapter Reset\n", ha->host_no,
218 mbx_cmd[0]));
219 ha->mailbox_timeout_count++;
220 mbx_sts[0] = (-1);
221 set_bit(DPC_RESET_HA, &ha->dpc_flags);
222 if (is_qla8022(ha)) {
223 ql4_printk(KERN_INFO, ha,
224 "disabling pause transmit on port 0 & 1.\n");
225 qla4_8xxx_wr_32(ha, QLA82XX_CRB_NIU + 0x98,
226 CRB_NIU_XG_PAUSE_CTL_P0 |
227 CRB_NIU_XG_PAUSE_CTL_P1);
228 }
229 goto mbox_exit;
230 }
231
232 /*
233 * Copy the mailbox out registers to the caller's mailbox in/out
234 * structure.
235 */
236 spin_lock_irqsave(&ha->hardware_lock, flags);
237 for (i = 0; i < outCount; i++)
238 mbx_sts[i] = ha->mbox_status[i];
239
240 /* Set return status and error flags (if applicable). */
241 switch (ha->mbox_status[0]) {
242 case MBOX_STS_COMMAND_COMPLETE:
243 status = QLA_SUCCESS;
244 break;
245
246 case MBOX_STS_INTERMEDIATE_COMPLETION:
247 status = QLA_SUCCESS;
248 break;
249
250 case MBOX_STS_BUSY:
251 DEBUG2( printk("scsi%ld: %s: Cmd = %08X, ISP BUSY\n",
252 ha->host_no, __func__, mbx_cmd[0]));
253 ha->mailbox_timeout_count++;
254 break;
255
256 default:
257 DEBUG2(printk("scsi%ld: %s: **** FAILED, cmd = %08X, "
258 "sts = %08X ****\n", ha->host_no, __func__,
259 mbx_cmd[0], mbx_sts[0]));
260 break;
261 }
262 spin_unlock_irqrestore(&ha->hardware_lock, flags);
263
264 mbox_exit:
265 mutex_lock(&ha->mbox_sem);
266 clear_bit(AF_MBOX_COMMAND, &ha->flags);
267 mutex_unlock(&ha->mbox_sem);
268 clear_bit(AF_MBOX_COMMAND_DONE, &ha->flags);
269
270 return status;
271 }
272
273 void qla4xxx_mailbox_premature_completion(struct scsi_qla_host *ha)
274 {
275 set_bit(AF_FW_RECOVERY, &ha->flags);
276 ql4_printk(KERN_INFO, ha, "scsi%ld: %s: set FW RECOVERY!\n",
277 ha->host_no, __func__);
278
279 if (test_bit(AF_MBOX_COMMAND, &ha->flags)) {
280 if (test_bit(AF_MBOX_COMMAND_NOPOLL, &ha->flags)) {
281 complete(&ha->mbx_intr_comp);
282 ql4_printk(KERN_INFO, ha, "scsi%ld: %s: Due to fw "
283 "recovery, doing premature completion of "
284 "mbx cmd\n", ha->host_no, __func__);
285
286 } else {
287 set_bit(AF_MBOX_COMMAND_DONE, &ha->flags);
288 ql4_printk(KERN_INFO, ha, "scsi%ld: %s: Due to fw "
289 "recovery, doing premature completion of "
290 "polling mbx cmd\n", ha->host_no, __func__);
291 }
292 }
293 }
294
295 static uint8_t
296 qla4xxx_set_ifcb(struct scsi_qla_host *ha, uint32_t *mbox_cmd,
297 uint32_t *mbox_sts, dma_addr_t init_fw_cb_dma)
298 {
299 memset(mbox_cmd, 0, sizeof(mbox_cmd[0]) * MBOX_REG_COUNT);
300 memset(mbox_sts, 0, sizeof(mbox_sts[0]) * MBOX_REG_COUNT);
301
302 if (is_qla8022(ha))
303 qla4_8xxx_wr_32(ha, ha->nx_db_wr_ptr, 0);
304
305 mbox_cmd[0] = MBOX_CMD_INITIALIZE_FIRMWARE;
306 mbox_cmd[1] = 0;
307 mbox_cmd[2] = LSDW(init_fw_cb_dma);
308 mbox_cmd[3] = MSDW(init_fw_cb_dma);
309 mbox_cmd[4] = sizeof(struct addr_ctrl_blk);
310 mbox_cmd[5] = (IFCB_VER_MAX << 8) | IFCB_VER_MIN;
311
312 if (qla4xxx_mailbox_command(ha, 6, 6, mbox_cmd, mbox_sts) !=
313 QLA_SUCCESS) {
314 DEBUG2(printk(KERN_WARNING "scsi%ld: %s: "
315 "MBOX_CMD_INITIALIZE_FIRMWARE"
316 " failed w/ status %04X\n",
317 ha->host_no, __func__, mbox_sts[0]));
318 return QLA_ERROR;
319 }
320 return QLA_SUCCESS;
321 }
322
323 uint8_t
324 qla4xxx_get_ifcb(struct scsi_qla_host *ha, uint32_t *mbox_cmd,
325 uint32_t *mbox_sts, dma_addr_t init_fw_cb_dma)
326 {
327 memset(mbox_cmd, 0, sizeof(mbox_cmd[0]) * MBOX_REG_COUNT);
328 memset(mbox_sts, 0, sizeof(mbox_sts[0]) * MBOX_REG_COUNT);
329 mbox_cmd[0] = MBOX_CMD_GET_INIT_FW_CTRL_BLOCK;
330 mbox_cmd[2] = LSDW(init_fw_cb_dma);
331 mbox_cmd[3] = MSDW(init_fw_cb_dma);
332 mbox_cmd[4] = sizeof(struct addr_ctrl_blk);
333
334 if (qla4xxx_mailbox_command(ha, 5, 5, mbox_cmd, mbox_sts) !=
335 QLA_SUCCESS) {
336 DEBUG2(printk(KERN_WARNING "scsi%ld: %s: "
337 "MBOX_CMD_GET_INIT_FW_CTRL_BLOCK"
338 " failed w/ status %04X\n",
339 ha->host_no, __func__, mbox_sts[0]));
340 return QLA_ERROR;
341 }
342 return QLA_SUCCESS;
343 }
344
345 static void
346 qla4xxx_update_local_ip(struct scsi_qla_host *ha,
347 struct addr_ctrl_blk *init_fw_cb)
348 {
349 ha->ip_config.tcp_options = le16_to_cpu(init_fw_cb->ipv4_tcp_opts);
350 ha->ip_config.ipv4_options = le16_to_cpu(init_fw_cb->ipv4_ip_opts);
351 ha->ip_config.ipv4_addr_state =
352 le16_to_cpu(init_fw_cb->ipv4_addr_state);
353 ha->ip_config.eth_mtu_size =
354 le16_to_cpu(init_fw_cb->eth_mtu_size);
355 ha->ip_config.ipv4_port = le16_to_cpu(init_fw_cb->ipv4_port);
356
357 if (ha->acb_version == ACB_SUPPORTED) {
358 ha->ip_config.ipv6_options = le16_to_cpu(init_fw_cb->ipv6_opts);
359 ha->ip_config.ipv6_addl_options =
360 le16_to_cpu(init_fw_cb->ipv6_addtl_opts);
361 }
362
363 /* Save IPv4 Address Info */
364 memcpy(ha->ip_config.ip_address, init_fw_cb->ipv4_addr,
365 min(sizeof(ha->ip_config.ip_address),
366 sizeof(init_fw_cb->ipv4_addr)));
367 memcpy(ha->ip_config.subnet_mask, init_fw_cb->ipv4_subnet,
368 min(sizeof(ha->ip_config.subnet_mask),
369 sizeof(init_fw_cb->ipv4_subnet)));
370 memcpy(ha->ip_config.gateway, init_fw_cb->ipv4_gw_addr,
371 min(sizeof(ha->ip_config.gateway),
372 sizeof(init_fw_cb->ipv4_gw_addr)));
373
374 ha->ip_config.ipv4_vlan_tag = be16_to_cpu(init_fw_cb->ipv4_vlan_tag);
375
376 if (is_ipv6_enabled(ha)) {
377 /* Save IPv6 Address */
378 ha->ip_config.ipv6_link_local_state =
379 le16_to_cpu(init_fw_cb->ipv6_lnk_lcl_addr_state);
380 ha->ip_config.ipv6_addr0_state =
381 le16_to_cpu(init_fw_cb->ipv6_addr0_state);
382 ha->ip_config.ipv6_addr1_state =
383 le16_to_cpu(init_fw_cb->ipv6_addr1_state);
384 ha->ip_config.ipv6_default_router_state =
385 le16_to_cpu(init_fw_cb->ipv6_dflt_rtr_state);
386 ha->ip_config.ipv6_link_local_addr.in6_u.u6_addr8[0] = 0xFE;
387 ha->ip_config.ipv6_link_local_addr.in6_u.u6_addr8[1] = 0x80;
388
389 memcpy(&ha->ip_config.ipv6_link_local_addr.in6_u.u6_addr8[8],
390 init_fw_cb->ipv6_if_id,
391 min(sizeof(ha->ip_config.ipv6_link_local_addr)/2,
392 sizeof(init_fw_cb->ipv6_if_id)));
393 memcpy(&ha->ip_config.ipv6_addr0, init_fw_cb->ipv6_addr0,
394 min(sizeof(ha->ip_config.ipv6_addr0),
395 sizeof(init_fw_cb->ipv6_addr0)));
396 memcpy(&ha->ip_config.ipv6_addr1, init_fw_cb->ipv6_addr1,
397 min(sizeof(ha->ip_config.ipv6_addr1),
398 sizeof(init_fw_cb->ipv6_addr1)));
399 memcpy(&ha->ip_config.ipv6_default_router_addr,
400 init_fw_cb->ipv6_dflt_rtr_addr,
401 min(sizeof(ha->ip_config.ipv6_default_router_addr),
402 sizeof(init_fw_cb->ipv6_dflt_rtr_addr)));
403 ha->ip_config.ipv6_vlan_tag =
404 be16_to_cpu(init_fw_cb->ipv6_vlan_tag);
405 ha->ip_config.ipv6_port = le16_to_cpu(init_fw_cb->ipv6_port);
406 }
407 }
408
409 uint8_t
410 qla4xxx_update_local_ifcb(struct scsi_qla_host *ha,
411 uint32_t *mbox_cmd,
412 uint32_t *mbox_sts,
413 struct addr_ctrl_blk *init_fw_cb,
414 dma_addr_t init_fw_cb_dma)
415 {
416 if (qla4xxx_get_ifcb(ha, mbox_cmd, mbox_sts, init_fw_cb_dma)
417 != QLA_SUCCESS) {
418 DEBUG2(printk(KERN_WARNING
419 "scsi%ld: %s: Failed to get init_fw_ctrl_blk\n",
420 ha->host_no, __func__));
421 return QLA_ERROR;
422 }
423
424 DEBUG2(qla4xxx_dump_buffer(init_fw_cb, sizeof(struct addr_ctrl_blk)));
425
426 /* Save some info in adapter structure. */
427 ha->acb_version = init_fw_cb->acb_version;
428 ha->firmware_options = le16_to_cpu(init_fw_cb->fw_options);
429 ha->heartbeat_interval = init_fw_cb->hb_interval;
430 memcpy(ha->name_string, init_fw_cb->iscsi_name,
431 min(sizeof(ha->name_string),
432 sizeof(init_fw_cb->iscsi_name)));
433 ha->def_timeout = le16_to_cpu(init_fw_cb->def_timeout);
434 /*memcpy(ha->alias, init_fw_cb->Alias,
435 min(sizeof(ha->alias), sizeof(init_fw_cb->Alias)));*/
436
437 qla4xxx_update_local_ip(ha, init_fw_cb);
438
439 return QLA_SUCCESS;
440 }
441
442 /**
443 * qla4xxx_initialize_fw_cb - initializes firmware control block.
444 * @ha: Pointer to host adapter structure.
445 **/
446 int qla4xxx_initialize_fw_cb(struct scsi_qla_host * ha)
447 {
448 struct addr_ctrl_blk *init_fw_cb;
449 dma_addr_t init_fw_cb_dma;
450 uint32_t mbox_cmd[MBOX_REG_COUNT];
451 uint32_t mbox_sts[MBOX_REG_COUNT];
452 int status = QLA_ERROR;
453
454 init_fw_cb = dma_alloc_coherent(&ha->pdev->dev,
455 sizeof(struct addr_ctrl_blk),
456 &init_fw_cb_dma, GFP_KERNEL);
457 if (init_fw_cb == NULL) {
458 DEBUG2(printk("scsi%ld: %s: Unable to alloc init_cb\n",
459 ha->host_no, __func__));
460 goto exit_init_fw_cb_no_free;
461 }
462 memset(init_fw_cb, 0, sizeof(struct addr_ctrl_blk));
463
464 /* Get Initialize Firmware Control Block. */
465 memset(&mbox_cmd, 0, sizeof(mbox_cmd));
466 memset(&mbox_sts, 0, sizeof(mbox_sts));
467
468 if (qla4xxx_get_ifcb(ha, &mbox_cmd[0], &mbox_sts[0], init_fw_cb_dma) !=
469 QLA_SUCCESS) {
470 dma_free_coherent(&ha->pdev->dev,
471 sizeof(struct addr_ctrl_blk),
472 init_fw_cb, init_fw_cb_dma);
473 goto exit_init_fw_cb;
474 }
475
476 /* Initialize request and response queues. */
477 qla4xxx_init_rings(ha);
478
479 /* Fill in the request and response queue information. */
480 init_fw_cb->rqq_consumer_idx = cpu_to_le16(ha->request_out);
481 init_fw_cb->compq_producer_idx = cpu_to_le16(ha->response_in);
482 init_fw_cb->rqq_len = __constant_cpu_to_le16(REQUEST_QUEUE_DEPTH);
483 init_fw_cb->compq_len = __constant_cpu_to_le16(RESPONSE_QUEUE_DEPTH);
484 init_fw_cb->rqq_addr_lo = cpu_to_le32(LSDW(ha->request_dma));
485 init_fw_cb->rqq_addr_hi = cpu_to_le32(MSDW(ha->request_dma));
486 init_fw_cb->compq_addr_lo = cpu_to_le32(LSDW(ha->response_dma));
487 init_fw_cb->compq_addr_hi = cpu_to_le32(MSDW(ha->response_dma));
488 init_fw_cb->shdwreg_addr_lo = cpu_to_le32(LSDW(ha->shadow_regs_dma));
489 init_fw_cb->shdwreg_addr_hi = cpu_to_le32(MSDW(ha->shadow_regs_dma));
490
491 /* Set up required options. */
492 init_fw_cb->fw_options |=
493 __constant_cpu_to_le16(FWOPT_SESSION_MODE |
494 FWOPT_INITIATOR_MODE);
495
496 if (is_qla8022(ha))
497 init_fw_cb->fw_options |=
498 __constant_cpu_to_le16(FWOPT_ENABLE_CRBDB);
499
500 init_fw_cb->fw_options &= __constant_cpu_to_le16(~FWOPT_TARGET_MODE);
501
502 init_fw_cb->add_fw_options = 0;
503 init_fw_cb->add_fw_options |=
504 __constant_cpu_to_le16(ADFWOPT_SERIALIZE_TASK_MGMT);
505 init_fw_cb->add_fw_options |=
506 __constant_cpu_to_le16(ADFWOPT_AUTOCONN_DISABLE);
507
508 if (qla4xxx_set_ifcb(ha, &mbox_cmd[0], &mbox_sts[0], init_fw_cb_dma)
509 != QLA_SUCCESS) {
510 DEBUG2(printk(KERN_WARNING
511 "scsi%ld: %s: Failed to set init_fw_ctrl_blk\n",
512 ha->host_no, __func__));
513 goto exit_init_fw_cb;
514 }
515
516 if (qla4xxx_update_local_ifcb(ha, &mbox_cmd[0], &mbox_sts[0],
517 init_fw_cb, init_fw_cb_dma) != QLA_SUCCESS) {
518 DEBUG2(printk("scsi%ld: %s: Failed to update local ifcb\n",
519 ha->host_no, __func__));
520 goto exit_init_fw_cb;
521 }
522 status = QLA_SUCCESS;
523
524 exit_init_fw_cb:
525 dma_free_coherent(&ha->pdev->dev, sizeof(struct addr_ctrl_blk),
526 init_fw_cb, init_fw_cb_dma);
527 exit_init_fw_cb_no_free:
528 return status;
529 }
530
531 /**
532 * qla4xxx_get_dhcp_ip_address - gets HBA ip address via DHCP
533 * @ha: Pointer to host adapter structure.
534 **/
535 int qla4xxx_get_dhcp_ip_address(struct scsi_qla_host * ha)
536 {
537 struct addr_ctrl_blk *init_fw_cb;
538 dma_addr_t init_fw_cb_dma;
539 uint32_t mbox_cmd[MBOX_REG_COUNT];
540 uint32_t mbox_sts[MBOX_REG_COUNT];
541
542 init_fw_cb = dma_alloc_coherent(&ha->pdev->dev,
543 sizeof(struct addr_ctrl_blk),
544 &init_fw_cb_dma, GFP_KERNEL);
545 if (init_fw_cb == NULL) {
546 printk("scsi%ld: %s: Unable to alloc init_cb\n", ha->host_no,
547 __func__);
548 return QLA_ERROR;
549 }
550
551 /* Get Initialize Firmware Control Block. */
552 memset(init_fw_cb, 0, sizeof(struct addr_ctrl_blk));
553 if (qla4xxx_get_ifcb(ha, &mbox_cmd[0], &mbox_sts[0], init_fw_cb_dma) !=
554 QLA_SUCCESS) {
555 DEBUG2(printk("scsi%ld: %s: Failed to get init_fw_ctrl_blk\n",
556 ha->host_no, __func__));
557 dma_free_coherent(&ha->pdev->dev,
558 sizeof(struct addr_ctrl_blk),
559 init_fw_cb, init_fw_cb_dma);
560 return QLA_ERROR;
561 }
562
563 /* Save IP Address. */
564 qla4xxx_update_local_ip(ha, init_fw_cb);
565 dma_free_coherent(&ha->pdev->dev, sizeof(struct addr_ctrl_blk),
566 init_fw_cb, init_fw_cb_dma);
567
568 return QLA_SUCCESS;
569 }
570
571 /**
572 * qla4xxx_get_firmware_state - gets firmware state of HBA
573 * @ha: Pointer to host adapter structure.
574 **/
575 int qla4xxx_get_firmware_state(struct scsi_qla_host * ha)
576 {
577 uint32_t mbox_cmd[MBOX_REG_COUNT];
578 uint32_t mbox_sts[MBOX_REG_COUNT];
579
580 /* Get firmware version */
581 memset(&mbox_cmd, 0, sizeof(mbox_cmd));
582 memset(&mbox_sts, 0, sizeof(mbox_sts));
583
584 mbox_cmd[0] = MBOX_CMD_GET_FW_STATE;
585
586 if (qla4xxx_mailbox_command(ha, MBOX_REG_COUNT, 4, &mbox_cmd[0], &mbox_sts[0]) !=
587 QLA_SUCCESS) {
588 DEBUG2(printk("scsi%ld: %s: MBOX_CMD_GET_FW_STATE failed w/ "
589 "status %04X\n", ha->host_no, __func__,
590 mbox_sts[0]));
591 return QLA_ERROR;
592 }
593 ha->firmware_state = mbox_sts[1];
594 ha->board_id = mbox_sts[2];
595 ha->addl_fw_state = mbox_sts[3];
596 DEBUG2(printk("scsi%ld: %s firmware_state=0x%x\n",
597 ha->host_no, __func__, ha->firmware_state);)
598
599 return QLA_SUCCESS;
600 }
601
602 /**
603 * qla4xxx_get_firmware_status - retrieves firmware status
604 * @ha: Pointer to host adapter structure.
605 **/
606 int qla4xxx_get_firmware_status(struct scsi_qla_host * ha)
607 {
608 uint32_t mbox_cmd[MBOX_REG_COUNT];
609 uint32_t mbox_sts[MBOX_REG_COUNT];
610
611 /* Get firmware version */
612 memset(&mbox_cmd, 0, sizeof(mbox_cmd));
613 memset(&mbox_sts, 0, sizeof(mbox_sts));
614
615 mbox_cmd[0] = MBOX_CMD_GET_FW_STATUS;
616
617 if (qla4xxx_mailbox_command(ha, MBOX_REG_COUNT, 3, &mbox_cmd[0], &mbox_sts[0]) !=
618 QLA_SUCCESS) {
619 DEBUG2(printk("scsi%ld: %s: MBOX_CMD_GET_FW_STATUS failed w/ "
620 "status %04X\n", ha->host_no, __func__,
621 mbox_sts[0]));
622 return QLA_ERROR;
623 }
624
625 ql4_printk(KERN_INFO, ha, "%ld firmare IOCBs available (%d).\n",
626 ha->host_no, mbox_sts[2]);
627
628 return QLA_SUCCESS;
629 }
630
631 /**
632 * qla4xxx_get_fwddb_entry - retrieves firmware ddb entry
633 * @ha: Pointer to host adapter structure.
634 * @fw_ddb_index: Firmware's device database index
635 * @fw_ddb_entry: Pointer to firmware's device database entry structure
636 * @num_valid_ddb_entries: Pointer to number of valid ddb entries
637 * @next_ddb_index: Pointer to next valid device database index
638 * @fw_ddb_device_state: Pointer to device state
639 **/
640 int qla4xxx_get_fwddb_entry(struct scsi_qla_host *ha,
641 uint16_t fw_ddb_index,
642 struct dev_db_entry *fw_ddb_entry,
643 dma_addr_t fw_ddb_entry_dma,
644 uint32_t *num_valid_ddb_entries,
645 uint32_t *next_ddb_index,
646 uint32_t *fw_ddb_device_state,
647 uint32_t *conn_err_detail,
648 uint16_t *tcp_source_port_num,
649 uint16_t *connection_id)
650 {
651 int status = QLA_ERROR;
652 uint16_t options;
653 uint32_t mbox_cmd[MBOX_REG_COUNT];
654 uint32_t mbox_sts[MBOX_REG_COUNT];
655
656 /* Make sure the device index is valid */
657 if (fw_ddb_index >= MAX_DDB_ENTRIES) {
658 DEBUG2(printk("scsi%ld: %s: ddb [%d] out of range.\n",
659 ha->host_no, __func__, fw_ddb_index));
660 goto exit_get_fwddb;
661 }
662 memset(&mbox_cmd, 0, sizeof(mbox_cmd));
663 memset(&mbox_sts, 0, sizeof(mbox_sts));
664
665 mbox_cmd[0] = MBOX_CMD_GET_DATABASE_ENTRY;
666 mbox_cmd[1] = (uint32_t) fw_ddb_index;
667 mbox_cmd[2] = LSDW(fw_ddb_entry_dma);
668 mbox_cmd[3] = MSDW(fw_ddb_entry_dma);
669 mbox_cmd[4] = sizeof(struct dev_db_entry);
670
671 if (qla4xxx_mailbox_command(ha, MBOX_REG_COUNT, 7, &mbox_cmd[0], &mbox_sts[0]) ==
672 QLA_ERROR) {
673 DEBUG2(printk("scsi%ld: %s: MBOX_CMD_GET_DATABASE_ENTRY failed"
674 " with status 0x%04X\n", ha->host_no, __func__,
675 mbox_sts[0]));
676 goto exit_get_fwddb;
677 }
678 if (fw_ddb_index != mbox_sts[1]) {
679 DEBUG2(printk("scsi%ld: %s: ddb mismatch [%d] != [%d].\n",
680 ha->host_no, __func__, fw_ddb_index,
681 mbox_sts[1]));
682 goto exit_get_fwddb;
683 }
684 if (fw_ddb_entry) {
685 options = le16_to_cpu(fw_ddb_entry->options);
686 if (options & DDB_OPT_IPV6_DEVICE) {
687 ql4_printk(KERN_INFO, ha, "%s: DDB[%d] MB0 %04x Tot %d "
688 "Next %d State %04x ConnErr %08x %pI6 "
689 ":%04d \"%s\"\n", __func__, fw_ddb_index,
690 mbox_sts[0], mbox_sts[2], mbox_sts[3],
691 mbox_sts[4], mbox_sts[5],
692 fw_ddb_entry->ip_addr,
693 le16_to_cpu(fw_ddb_entry->port),
694 fw_ddb_entry->iscsi_name);
695 } else {
696 ql4_printk(KERN_INFO, ha, "%s: DDB[%d] MB0 %04x Tot %d "
697 "Next %d State %04x ConnErr %08x %pI4 "
698 ":%04d \"%s\"\n", __func__, fw_ddb_index,
699 mbox_sts[0], mbox_sts[2], mbox_sts[3],
700 mbox_sts[4], mbox_sts[5],
701 fw_ddb_entry->ip_addr,
702 le16_to_cpu(fw_ddb_entry->port),
703 fw_ddb_entry->iscsi_name);
704 }
705 }
706 if (num_valid_ddb_entries)
707 *num_valid_ddb_entries = mbox_sts[2];
708 if (next_ddb_index)
709 *next_ddb_index = mbox_sts[3];
710 if (fw_ddb_device_state)
711 *fw_ddb_device_state = mbox_sts[4];
712
713 /*
714 * RA: This mailbox has been changed to pass connection error and
715 * details. Its true for ISP4010 as per Version E - Not sure when it
716 * was changed. Get the time2wait from the fw_dd_entry field :
717 * default_time2wait which we call it as minTime2Wait DEV_DB_ENTRY
718 * struct.
719 */
720 if (conn_err_detail)
721 *conn_err_detail = mbox_sts[5];
722 if (tcp_source_port_num)
723 *tcp_source_port_num = (uint16_t) (mbox_sts[6] >> 16);
724 if (connection_id)
725 *connection_id = (uint16_t) mbox_sts[6] & 0x00FF;
726 status = QLA_SUCCESS;
727
728 exit_get_fwddb:
729 return status;
730 }
731
732 int qla4xxx_conn_open(struct scsi_qla_host *ha, uint16_t fw_ddb_index)
733 {
734 uint32_t mbox_cmd[MBOX_REG_COUNT];
735 uint32_t mbox_sts[MBOX_REG_COUNT];
736 int status;
737
738 memset(&mbox_cmd, 0, sizeof(mbox_cmd));
739 memset(&mbox_sts, 0, sizeof(mbox_sts));
740
741 mbox_cmd[0] = MBOX_CMD_CONN_OPEN;
742 mbox_cmd[1] = fw_ddb_index;
743
744 status = qla4xxx_mailbox_command(ha, MBOX_REG_COUNT, 2, &mbox_cmd[0],
745 &mbox_sts[0]);
746 DEBUG2(ql4_printk(KERN_INFO, ha,
747 "%s: status = %d mbx0 = 0x%x mbx1 = 0x%x\n",
748 __func__, status, mbox_sts[0], mbox_sts[1]));
749 return status;
750 }
751
752 /**
753 * qla4xxx_set_fwddb_entry - sets a ddb entry.
754 * @ha: Pointer to host adapter structure.
755 * @fw_ddb_index: Firmware's device database index
756 * @fw_ddb_entry_dma: dma address of ddb entry
757 * @mbx_sts: mailbox 0 to be returned or NULL
758 *
759 * This routine initializes or updates the adapter's device database
760 * entry for the specified device.
761 **/
762 int qla4xxx_set_ddb_entry(struct scsi_qla_host * ha, uint16_t fw_ddb_index,
763 dma_addr_t fw_ddb_entry_dma, uint32_t *mbx_sts)
764 {
765 uint32_t mbox_cmd[MBOX_REG_COUNT];
766 uint32_t mbox_sts[MBOX_REG_COUNT];
767 int status;
768
769 /* Do not wait for completion. The firmware will send us an
770 * ASTS_DATABASE_CHANGED (0x8014) to notify us of the login status.
771 */
772 memset(&mbox_cmd, 0, sizeof(mbox_cmd));
773 memset(&mbox_sts, 0, sizeof(mbox_sts));
774
775 mbox_cmd[0] = MBOX_CMD_SET_DATABASE_ENTRY;
776 mbox_cmd[1] = (uint32_t) fw_ddb_index;
777 mbox_cmd[2] = LSDW(fw_ddb_entry_dma);
778 mbox_cmd[3] = MSDW(fw_ddb_entry_dma);
779 mbox_cmd[4] = sizeof(struct dev_db_entry);
780
781 status = qla4xxx_mailbox_command(ha, MBOX_REG_COUNT, 5, &mbox_cmd[0],
782 &mbox_sts[0]);
783 if (mbx_sts)
784 *mbx_sts = mbox_sts[0];
785 DEBUG2(printk("scsi%ld: %s: status=%d mbx0=0x%x mbx4=0x%x\n",
786 ha->host_no, __func__, status, mbox_sts[0], mbox_sts[4]);)
787
788 return status;
789 }
790
791 int qla4xxx_session_logout_ddb(struct scsi_qla_host *ha,
792 struct ddb_entry *ddb_entry, int options)
793 {
794 int status;
795 uint32_t mbox_cmd[MBOX_REG_COUNT];
796 uint32_t mbox_sts[MBOX_REG_COUNT];
797
798 memset(&mbox_cmd, 0, sizeof(mbox_cmd));
799 memset(&mbox_sts, 0, sizeof(mbox_sts));
800
801 mbox_cmd[0] = MBOX_CMD_CONN_CLOSE_SESS_LOGOUT;
802 mbox_cmd[1] = ddb_entry->fw_ddb_index;
803 mbox_cmd[3] = options;
804
805 status = qla4xxx_mailbox_command(ha, MBOX_REG_COUNT, 2, &mbox_cmd[0],
806 &mbox_sts[0]);
807 if (status != QLA_SUCCESS) {
808 DEBUG2(ql4_printk(KERN_INFO, ha,
809 "%s: MBOX_CMD_CONN_CLOSE_SESS_LOGOUT "
810 "failed sts %04X %04X", __func__,
811 mbox_sts[0], mbox_sts[1]));
812 }
813
814 return status;
815 }
816
817 /**
818 * qla4xxx_get_crash_record - retrieves crash record.
819 * @ha: Pointer to host adapter structure.
820 *
821 * This routine retrieves a crash record from the QLA4010 after an 8002h aen.
822 **/
823 void qla4xxx_get_crash_record(struct scsi_qla_host * ha)
824 {
825 uint32_t mbox_cmd[MBOX_REG_COUNT];
826 uint32_t mbox_sts[MBOX_REG_COUNT];
827 struct crash_record *crash_record = NULL;
828 dma_addr_t crash_record_dma = 0;
829 uint32_t crash_record_size = 0;
830
831 memset(&mbox_cmd, 0, sizeof(mbox_cmd));
832 memset(&mbox_sts, 0, sizeof(mbox_cmd));
833
834 /* Get size of crash record. */
835 mbox_cmd[0] = MBOX_CMD_GET_CRASH_RECORD;
836
837 if (qla4xxx_mailbox_command(ha, MBOX_REG_COUNT, 5, &mbox_cmd[0], &mbox_sts[0]) !=
838 QLA_SUCCESS) {
839 DEBUG2(printk("scsi%ld: %s: ERROR: Unable to retrieve size!\n",
840 ha->host_no, __func__));
841 goto exit_get_crash_record;
842 }
843 crash_record_size = mbox_sts[4];
844 if (crash_record_size == 0) {
845 DEBUG2(printk("scsi%ld: %s: ERROR: Crash record size is 0!\n",
846 ha->host_no, __func__));
847 goto exit_get_crash_record;
848 }
849
850 /* Alloc Memory for Crash Record. */
851 crash_record = dma_alloc_coherent(&ha->pdev->dev, crash_record_size,
852 &crash_record_dma, GFP_KERNEL);
853 if (crash_record == NULL)
854 goto exit_get_crash_record;
855
856 /* Get Crash Record. */
857 memset(&mbox_cmd, 0, sizeof(mbox_cmd));
858 memset(&mbox_sts, 0, sizeof(mbox_cmd));
859
860 mbox_cmd[0] = MBOX_CMD_GET_CRASH_RECORD;
861 mbox_cmd[2] = LSDW(crash_record_dma);
862 mbox_cmd[3] = MSDW(crash_record_dma);
863 mbox_cmd[4] = crash_record_size;
864
865 if (qla4xxx_mailbox_command(ha, MBOX_REG_COUNT, 5, &mbox_cmd[0], &mbox_sts[0]) !=
866 QLA_SUCCESS)
867 goto exit_get_crash_record;
868
869 /* Dump Crash Record. */
870
871 exit_get_crash_record:
872 if (crash_record)
873 dma_free_coherent(&ha->pdev->dev, crash_record_size,
874 crash_record, crash_record_dma);
875 }
876
877 /**
878 * qla4xxx_get_conn_event_log - retrieves connection event log
879 * @ha: Pointer to host adapter structure.
880 **/
881 void qla4xxx_get_conn_event_log(struct scsi_qla_host * ha)
882 {
883 uint32_t mbox_cmd[MBOX_REG_COUNT];
884 uint32_t mbox_sts[MBOX_REG_COUNT];
885 struct conn_event_log_entry *event_log = NULL;
886 dma_addr_t event_log_dma = 0;
887 uint32_t event_log_size = 0;
888 uint32_t num_valid_entries;
889 uint32_t oldest_entry = 0;
890 uint32_t max_event_log_entries;
891 uint8_t i;
892
893 memset(&mbox_cmd, 0, sizeof(mbox_cmd));
894 memset(&mbox_sts, 0, sizeof(mbox_cmd));
895
896 /* Get size of crash record. */
897 mbox_cmd[0] = MBOX_CMD_GET_CONN_EVENT_LOG;
898
899 if (qla4xxx_mailbox_command(ha, MBOX_REG_COUNT, 5, &mbox_cmd[0], &mbox_sts[0]) !=
900 QLA_SUCCESS)
901 goto exit_get_event_log;
902
903 event_log_size = mbox_sts[4];
904 if (event_log_size == 0)
905 goto exit_get_event_log;
906
907 /* Alloc Memory for Crash Record. */
908 event_log = dma_alloc_coherent(&ha->pdev->dev, event_log_size,
909 &event_log_dma, GFP_KERNEL);
910 if (event_log == NULL)
911 goto exit_get_event_log;
912
913 /* Get Crash Record. */
914 memset(&mbox_cmd, 0, sizeof(mbox_cmd));
915 memset(&mbox_sts, 0, sizeof(mbox_cmd));
916
917 mbox_cmd[0] = MBOX_CMD_GET_CONN_EVENT_LOG;
918 mbox_cmd[2] = LSDW(event_log_dma);
919 mbox_cmd[3] = MSDW(event_log_dma);
920
921 if (qla4xxx_mailbox_command(ha, MBOX_REG_COUNT, 5, &mbox_cmd[0], &mbox_sts[0]) !=
922 QLA_SUCCESS) {
923 DEBUG2(printk("scsi%ld: %s: ERROR: Unable to retrieve event "
924 "log!\n", ha->host_no, __func__));
925 goto exit_get_event_log;
926 }
927
928 /* Dump Event Log. */
929 num_valid_entries = mbox_sts[1];
930
931 max_event_log_entries = event_log_size /
932 sizeof(struct conn_event_log_entry);
933
934 if (num_valid_entries > max_event_log_entries)
935 oldest_entry = num_valid_entries % max_event_log_entries;
936
937 DEBUG3(printk("scsi%ld: Connection Event Log Dump (%d entries):\n",
938 ha->host_no, num_valid_entries));
939
940 if (ql4xextended_error_logging == 3) {
941 if (oldest_entry == 0) {
942 /* Circular Buffer has not wrapped around */
943 for (i=0; i < num_valid_entries; i++) {
944 qla4xxx_dump_buffer((uint8_t *)event_log+
945 (i*sizeof(*event_log)),
946 sizeof(*event_log));
947 }
948 }
949 else {
950 /* Circular Buffer has wrapped around -
951 * display accordingly*/
952 for (i=oldest_entry; i < max_event_log_entries; i++) {
953 qla4xxx_dump_buffer((uint8_t *)event_log+
954 (i*sizeof(*event_log)),
955 sizeof(*event_log));
956 }
957 for (i=0; i < oldest_entry; i++) {
958 qla4xxx_dump_buffer((uint8_t *)event_log+
959 (i*sizeof(*event_log)),
960 sizeof(*event_log));
961 }
962 }
963 }
964
965 exit_get_event_log:
966 if (event_log)
967 dma_free_coherent(&ha->pdev->dev, event_log_size, event_log,
968 event_log_dma);
969 }
970
971 /**
972 * qla4xxx_abort_task - issues Abort Task
973 * @ha: Pointer to host adapter structure.
974 * @srb: Pointer to srb entry
975 *
976 * This routine performs a LUN RESET on the specified target/lun.
977 * The caller must ensure that the ddb_entry and lun_entry pointers
978 * are valid before calling this routine.
979 **/
980 int qla4xxx_abort_task(struct scsi_qla_host *ha, struct srb *srb)
981 {
982 uint32_t mbox_cmd[MBOX_REG_COUNT];
983 uint32_t mbox_sts[MBOX_REG_COUNT];
984 struct scsi_cmnd *cmd = srb->cmd;
985 int status = QLA_SUCCESS;
986 unsigned long flags = 0;
987 uint32_t index;
988
989 /*
990 * Send abort task command to ISP, so that the ISP will return
991 * request with ABORT status
992 */
993 memset(&mbox_cmd, 0, sizeof(mbox_cmd));
994 memset(&mbox_sts, 0, sizeof(mbox_sts));
995
996 spin_lock_irqsave(&ha->hardware_lock, flags);
997 index = (unsigned long)(unsigned char *)cmd->host_scribble;
998 spin_unlock_irqrestore(&ha->hardware_lock, flags);
999
1000 /* Firmware already posted completion on response queue */
1001 if (index == MAX_SRBS)
1002 return status;
1003
1004 mbox_cmd[0] = MBOX_CMD_ABORT_TASK;
1005 mbox_cmd[1] = srb->ddb->fw_ddb_index;
1006 mbox_cmd[2] = index;
1007 /* Immediate Command Enable */
1008 mbox_cmd[5] = 0x01;
1009
1010 qla4xxx_mailbox_command(ha, MBOX_REG_COUNT, 5, &mbox_cmd[0],
1011 &mbox_sts[0]);
1012 if (mbox_sts[0] != MBOX_STS_COMMAND_COMPLETE) {
1013 status = QLA_ERROR;
1014
1015 DEBUG2(printk(KERN_WARNING "scsi%ld:%d:%d: abort task FAILED: "
1016 "mbx0=%04X, mb1=%04X, mb2=%04X, mb3=%04X, mb4=%04X\n",
1017 ha->host_no, cmd->device->id, cmd->device->lun, mbox_sts[0],
1018 mbox_sts[1], mbox_sts[2], mbox_sts[3], mbox_sts[4]));
1019 }
1020
1021 return status;
1022 }
1023
1024 /**
1025 * qla4xxx_reset_lun - issues LUN Reset
1026 * @ha: Pointer to host adapter structure.
1027 * @ddb_entry: Pointer to device database entry
1028 * @lun: lun number
1029 *
1030 * This routine performs a LUN RESET on the specified target/lun.
1031 * The caller must ensure that the ddb_entry and lun_entry pointers
1032 * are valid before calling this routine.
1033 **/
1034 int qla4xxx_reset_lun(struct scsi_qla_host * ha, struct ddb_entry * ddb_entry,
1035 int lun)
1036 {
1037 uint32_t mbox_cmd[MBOX_REG_COUNT];
1038 uint32_t mbox_sts[MBOX_REG_COUNT];
1039 int status = QLA_SUCCESS;
1040
1041 DEBUG2(printk("scsi%ld:%d:%d: lun reset issued\n", ha->host_no,
1042 ddb_entry->fw_ddb_index, lun));
1043
1044 /*
1045 * Send lun reset command to ISP, so that the ISP will return all
1046 * outstanding requests with RESET status
1047 */
1048 memset(&mbox_cmd, 0, sizeof(mbox_cmd));
1049 memset(&mbox_sts, 0, sizeof(mbox_sts));
1050
1051 mbox_cmd[0] = MBOX_CMD_LUN_RESET;
1052 mbox_cmd[1] = ddb_entry->fw_ddb_index;
1053 mbox_cmd[2] = lun << 8;
1054 mbox_cmd[5] = 0x01; /* Immediate Command Enable */
1055
1056 qla4xxx_mailbox_command(ha, MBOX_REG_COUNT, 1, &mbox_cmd[0], &mbox_sts[0]);
1057 if (mbox_sts[0] != MBOX_STS_COMMAND_COMPLETE &&
1058 mbox_sts[0] != MBOX_STS_COMMAND_ERROR)
1059 status = QLA_ERROR;
1060
1061 return status;
1062 }
1063
1064 /**
1065 * qla4xxx_reset_target - issues target Reset
1066 * @ha: Pointer to host adapter structure.
1067 * @db_entry: Pointer to device database entry
1068 * @un_entry: Pointer to lun entry structure
1069 *
1070 * This routine performs a TARGET RESET on the specified target.
1071 * The caller must ensure that the ddb_entry pointers
1072 * are valid before calling this routine.
1073 **/
1074 int qla4xxx_reset_target(struct scsi_qla_host *ha,
1075 struct ddb_entry *ddb_entry)
1076 {
1077 uint32_t mbox_cmd[MBOX_REG_COUNT];
1078 uint32_t mbox_sts[MBOX_REG_COUNT];
1079 int status = QLA_SUCCESS;
1080
1081 DEBUG2(printk("scsi%ld:%d: target reset issued\n", ha->host_no,
1082 ddb_entry->fw_ddb_index));
1083
1084 /*
1085 * Send target reset command to ISP, so that the ISP will return all
1086 * outstanding requests with RESET status
1087 */
1088 memset(&mbox_cmd, 0, sizeof(mbox_cmd));
1089 memset(&mbox_sts, 0, sizeof(mbox_sts));
1090
1091 mbox_cmd[0] = MBOX_CMD_TARGET_WARM_RESET;
1092 mbox_cmd[1] = ddb_entry->fw_ddb_index;
1093 mbox_cmd[5] = 0x01; /* Immediate Command Enable */
1094
1095 qla4xxx_mailbox_command(ha, MBOX_REG_COUNT, 1, &mbox_cmd[0],
1096 &mbox_sts[0]);
1097 if (mbox_sts[0] != MBOX_STS_COMMAND_COMPLETE &&
1098 mbox_sts[0] != MBOX_STS_COMMAND_ERROR)
1099 status = QLA_ERROR;
1100
1101 return status;
1102 }
1103
1104 int qla4xxx_get_flash(struct scsi_qla_host * ha, dma_addr_t dma_addr,
1105 uint32_t offset, uint32_t len)
1106 {
1107 uint32_t mbox_cmd[MBOX_REG_COUNT];
1108 uint32_t mbox_sts[MBOX_REG_COUNT];
1109
1110 memset(&mbox_cmd, 0, sizeof(mbox_cmd));
1111 memset(&mbox_sts, 0, sizeof(mbox_sts));
1112
1113 mbox_cmd[0] = MBOX_CMD_READ_FLASH;
1114 mbox_cmd[1] = LSDW(dma_addr);
1115 mbox_cmd[2] = MSDW(dma_addr);
1116 mbox_cmd[3] = offset;
1117 mbox_cmd[4] = len;
1118
1119 if (qla4xxx_mailbox_command(ha, MBOX_REG_COUNT, 2, &mbox_cmd[0], &mbox_sts[0]) !=
1120 QLA_SUCCESS) {
1121 DEBUG2(printk("scsi%ld: %s: MBOX_CMD_READ_FLASH, failed w/ "
1122 "status %04X %04X, offset %08x, len %08x\n", ha->host_no,
1123 __func__, mbox_sts[0], mbox_sts[1], offset, len));
1124 return QLA_ERROR;
1125 }
1126 return QLA_SUCCESS;
1127 }
1128
1129 /**
1130 * qla4xxx_about_firmware - gets FW, iscsi draft and boot loader version
1131 * @ha: Pointer to host adapter structure.
1132 *
1133 * Retrieves the FW version, iSCSI draft version & bootloader version of HBA.
1134 * Mailboxes 2 & 3 may hold an address for data. Make sure that we write 0 to
1135 * those mailboxes, if unused.
1136 **/
1137 int qla4xxx_about_firmware(struct scsi_qla_host *ha)
1138 {
1139 struct about_fw_info *about_fw = NULL;
1140 dma_addr_t about_fw_dma;
1141 uint32_t mbox_cmd[MBOX_REG_COUNT];
1142 uint32_t mbox_sts[MBOX_REG_COUNT];
1143 int status = QLA_ERROR;
1144
1145 about_fw = dma_alloc_coherent(&ha->pdev->dev,
1146 sizeof(struct about_fw_info),
1147 &about_fw_dma, GFP_KERNEL);
1148 if (!about_fw) {
1149 DEBUG2(ql4_printk(KERN_ERR, ha, "%s: Unable to alloc memory "
1150 "for about_fw\n", __func__));
1151 return status;
1152 }
1153
1154 memset(about_fw, 0, sizeof(struct about_fw_info));
1155 memset(&mbox_cmd, 0, sizeof(mbox_cmd));
1156 memset(&mbox_sts, 0, sizeof(mbox_sts));
1157
1158 mbox_cmd[0] = MBOX_CMD_ABOUT_FW;
1159 mbox_cmd[2] = LSDW(about_fw_dma);
1160 mbox_cmd[3] = MSDW(about_fw_dma);
1161 mbox_cmd[4] = sizeof(struct about_fw_info);
1162
1163 status = qla4xxx_mailbox_command(ha, MBOX_REG_COUNT, MBOX_REG_COUNT,
1164 &mbox_cmd[0], &mbox_sts[0]);
1165 if (status != QLA_SUCCESS) {
1166 DEBUG2(ql4_printk(KERN_WARNING, ha, "%s: MBOX_CMD_ABOUT_FW "
1167 "failed w/ status %04X\n", __func__,
1168 mbox_sts[0]));
1169 goto exit_about_fw;
1170 }
1171
1172 /* Save version information. */
1173 ha->firmware_version[0] = le16_to_cpu(about_fw->fw_major);
1174 ha->firmware_version[1] = le16_to_cpu(about_fw->fw_minor);
1175 ha->patch_number = le16_to_cpu(about_fw->fw_patch);
1176 ha->build_number = le16_to_cpu(about_fw->fw_build);
1177 ha->iscsi_major = le16_to_cpu(about_fw->iscsi_major);
1178 ha->iscsi_minor = le16_to_cpu(about_fw->iscsi_minor);
1179 ha->bootload_major = le16_to_cpu(about_fw->bootload_major);
1180 ha->bootload_minor = le16_to_cpu(about_fw->bootload_minor);
1181 ha->bootload_patch = le16_to_cpu(about_fw->bootload_patch);
1182 ha->bootload_build = le16_to_cpu(about_fw->bootload_build);
1183 status = QLA_SUCCESS;
1184
1185 exit_about_fw:
1186 dma_free_coherent(&ha->pdev->dev, sizeof(struct about_fw_info),
1187 about_fw, about_fw_dma);
1188 return status;
1189 }
1190
1191 static int qla4xxx_get_default_ddb(struct scsi_qla_host *ha, uint32_t options,
1192 dma_addr_t dma_addr)
1193 {
1194 uint32_t mbox_cmd[MBOX_REG_COUNT];
1195 uint32_t mbox_sts[MBOX_REG_COUNT];
1196
1197 memset(&mbox_cmd, 0, sizeof(mbox_cmd));
1198 memset(&mbox_sts, 0, sizeof(mbox_sts));
1199
1200 mbox_cmd[0] = MBOX_CMD_GET_DATABASE_ENTRY_DEFAULTS;
1201 mbox_cmd[1] = options;
1202 mbox_cmd[2] = LSDW(dma_addr);
1203 mbox_cmd[3] = MSDW(dma_addr);
1204
1205 if (qla4xxx_mailbox_command(ha, MBOX_REG_COUNT, 1, &mbox_cmd[0], &mbox_sts[0]) !=
1206 QLA_SUCCESS) {
1207 DEBUG2(printk("scsi%ld: %s: failed status %04X\n",
1208 ha->host_no, __func__, mbox_sts[0]));
1209 return QLA_ERROR;
1210 }
1211 return QLA_SUCCESS;
1212 }
1213
1214 int qla4xxx_req_ddb_entry(struct scsi_qla_host *ha, uint32_t ddb_index,
1215 uint32_t *mbx_sts)
1216 {
1217 int status;
1218 uint32_t mbox_cmd[MBOX_REG_COUNT];
1219 uint32_t mbox_sts[MBOX_REG_COUNT];
1220
1221 memset(&mbox_cmd, 0, sizeof(mbox_cmd));
1222 memset(&mbox_sts, 0, sizeof(mbox_sts));
1223
1224 mbox_cmd[0] = MBOX_CMD_REQUEST_DATABASE_ENTRY;
1225 mbox_cmd[1] = ddb_index;
1226
1227 status = qla4xxx_mailbox_command(ha, MBOX_REG_COUNT, 1, &mbox_cmd[0],
1228 &mbox_sts[0]);
1229 if (status != QLA_SUCCESS) {
1230 DEBUG2(ql4_printk(KERN_ERR, ha, "%s: failed status %04X\n",
1231 __func__, mbox_sts[0]));
1232 }
1233
1234 *mbx_sts = mbox_sts[0];
1235 return status;
1236 }
1237
1238 int qla4xxx_clear_ddb_entry(struct scsi_qla_host *ha, uint32_t ddb_index)
1239 {
1240 int status;
1241 uint32_t mbox_cmd[MBOX_REG_COUNT];
1242 uint32_t mbox_sts[MBOX_REG_COUNT];
1243
1244 memset(&mbox_cmd, 0, sizeof(mbox_cmd));
1245 memset(&mbox_sts, 0, sizeof(mbox_sts));
1246
1247 mbox_cmd[0] = MBOX_CMD_CLEAR_DATABASE_ENTRY;
1248 mbox_cmd[1] = ddb_index;
1249
1250 status = qla4xxx_mailbox_command(ha, 2, 1, &mbox_cmd[0],
1251 &mbox_sts[0]);
1252 if (status != QLA_SUCCESS) {
1253 DEBUG2(ql4_printk(KERN_ERR, ha, "%s: failed status %04X\n",
1254 __func__, mbox_sts[0]));
1255 }
1256
1257 return status;
1258 }
1259
1260 int qla4xxx_set_flash(struct scsi_qla_host *ha, dma_addr_t dma_addr,
1261 uint32_t offset, uint32_t length, uint32_t options)
1262 {
1263 uint32_t mbox_cmd[MBOX_REG_COUNT];
1264 uint32_t mbox_sts[MBOX_REG_COUNT];
1265 int status = QLA_SUCCESS;
1266
1267 memset(&mbox_cmd, 0, sizeof(mbox_cmd));
1268 memset(&mbox_sts, 0, sizeof(mbox_sts));
1269
1270 mbox_cmd[0] = MBOX_CMD_WRITE_FLASH;
1271 mbox_cmd[1] = LSDW(dma_addr);
1272 mbox_cmd[2] = MSDW(dma_addr);
1273 mbox_cmd[3] = offset;
1274 mbox_cmd[4] = length;
1275 mbox_cmd[5] = options;
1276
1277 status = qla4xxx_mailbox_command(ha, 6, 2, &mbox_cmd[0], &mbox_sts[0]);
1278 if (status != QLA_SUCCESS) {
1279 DEBUG2(ql4_printk(KERN_WARNING, ha, "%s: MBOX_CMD_WRITE_FLASH "
1280 "failed w/ status %04X, mbx1 %04X\n",
1281 __func__, mbox_sts[0], mbox_sts[1]));
1282 }
1283 return status;
1284 }
1285
1286 int qla4xxx_bootdb_by_index(struct scsi_qla_host *ha,
1287 struct dev_db_entry *fw_ddb_entry,
1288 dma_addr_t fw_ddb_entry_dma, uint16_t ddb_index)
1289 {
1290 uint32_t dev_db_start_offset = FLASH_OFFSET_DB_INFO;
1291 uint32_t dev_db_end_offset;
1292 int status = QLA_ERROR;
1293
1294 memset(fw_ddb_entry, 0, sizeof(*fw_ddb_entry));
1295
1296 dev_db_start_offset += (ddb_index * sizeof(*fw_ddb_entry));
1297 dev_db_end_offset = FLASH_OFFSET_DB_END;
1298
1299 if (dev_db_start_offset > dev_db_end_offset) {
1300 DEBUG2(ql4_printk(KERN_ERR, ha,
1301 "%s:Invalid DDB index %d", __func__,
1302 ddb_index));
1303 goto exit_bootdb_failed;
1304 }
1305
1306 if (qla4xxx_get_flash(ha, fw_ddb_entry_dma, dev_db_start_offset,
1307 sizeof(*fw_ddb_entry)) != QLA_SUCCESS) {
1308 ql4_printk(KERN_ERR, ha, "scsi%ld: %s: Get Flash"
1309 "failed\n", ha->host_no, __func__);
1310 goto exit_bootdb_failed;
1311 }
1312
1313 if (fw_ddb_entry->cookie == DDB_VALID_COOKIE)
1314 status = QLA_SUCCESS;
1315
1316 exit_bootdb_failed:
1317 return status;
1318 }
1319
1320 int qla4xxx_get_chap(struct scsi_qla_host *ha, char *username, char *password,
1321 uint16_t idx)
1322 {
1323 int ret = 0;
1324 int rval = QLA_ERROR;
1325 uint32_t offset = 0, chap_size;
1326 struct ql4_chap_table *chap_table;
1327 dma_addr_t chap_dma;
1328
1329 chap_table = dma_pool_alloc(ha->chap_dma_pool, GFP_KERNEL, &chap_dma);
1330 if (chap_table == NULL) {
1331 ret = -ENOMEM;
1332 goto exit_get_chap;
1333 }
1334
1335 chap_size = sizeof(struct ql4_chap_table);
1336 memset(chap_table, 0, chap_size);
1337
1338 if (is_qla40XX(ha))
1339 offset = FLASH_CHAP_OFFSET | (idx * chap_size);
1340 else {
1341 offset = FLASH_RAW_ACCESS_ADDR + (ha->hw.flt_region_chap << 2);
1342 /* flt_chap_size is CHAP table size for both ports
1343 * so divide it by 2 to calculate the offset for second port
1344 */
1345 if (ha->port_num == 1)
1346 offset += (ha->hw.flt_chap_size / 2);
1347 offset += (idx * chap_size);
1348 }
1349
1350 rval = qla4xxx_get_flash(ha, chap_dma, offset, chap_size);
1351 if (rval != QLA_SUCCESS) {
1352 ret = -EINVAL;
1353 goto exit_get_chap;
1354 }
1355
1356 DEBUG2(ql4_printk(KERN_INFO, ha, "Chap Cookie: x%x\n",
1357 __le16_to_cpu(chap_table->cookie)));
1358
1359 if (__le16_to_cpu(chap_table->cookie) != CHAP_VALID_COOKIE) {
1360 ql4_printk(KERN_ERR, ha, "No valid chap entry found\n");
1361 goto exit_get_chap;
1362 }
1363
1364 strncpy(password, chap_table->secret, QL4_CHAP_MAX_SECRET_LEN);
1365 strncpy(username, chap_table->name, QL4_CHAP_MAX_NAME_LEN);
1366 chap_table->cookie = __constant_cpu_to_le16(CHAP_VALID_COOKIE);
1367
1368 exit_get_chap:
1369 dma_pool_free(ha->chap_dma_pool, chap_table, chap_dma);
1370 return ret;
1371 }
1372
1373 static int qla4xxx_set_chap(struct scsi_qla_host *ha, char *username,
1374 char *password, uint16_t idx, int bidi)
1375 {
1376 int ret = 0;
1377 int rval = QLA_ERROR;
1378 uint32_t offset = 0;
1379 struct ql4_chap_table *chap_table;
1380 dma_addr_t chap_dma;
1381
1382 chap_table = dma_pool_alloc(ha->chap_dma_pool, GFP_KERNEL, &chap_dma);
1383 if (chap_table == NULL) {
1384 ret = -ENOMEM;
1385 goto exit_set_chap;
1386 }
1387
1388 memset(chap_table, 0, sizeof(struct ql4_chap_table));
1389 if (bidi)
1390 chap_table->flags |= BIT_6; /* peer */
1391 else
1392 chap_table->flags |= BIT_7; /* local */
1393 chap_table->secret_len = strlen(password);
1394 strncpy(chap_table->secret, password, MAX_CHAP_SECRET_LEN);
1395 strncpy(chap_table->name, username, MAX_CHAP_NAME_LEN);
1396 chap_table->cookie = __constant_cpu_to_le16(CHAP_VALID_COOKIE);
1397 offset = FLASH_CHAP_OFFSET | (idx * sizeof(struct ql4_chap_table));
1398 rval = qla4xxx_set_flash(ha, chap_dma, offset,
1399 sizeof(struct ql4_chap_table),
1400 FLASH_OPT_RMW_COMMIT);
1401
1402 if (rval == QLA_SUCCESS && ha->chap_list) {
1403 /* Update ha chap_list cache */
1404 memcpy((struct ql4_chap_table *)ha->chap_list + idx,
1405 chap_table, sizeof(struct ql4_chap_table));
1406 }
1407 dma_pool_free(ha->chap_dma_pool, chap_table, chap_dma);
1408 if (rval != QLA_SUCCESS)
1409 ret = -EINVAL;
1410
1411 exit_set_chap:
1412 return ret;
1413 }
1414
1415 /**
1416 * qla4xxx_get_chap_index - Get chap index given username and secret
1417 * @ha: pointer to adapter structure
1418 * @username: CHAP username to be searched
1419 * @password: CHAP password to be searched
1420 * @bidi: Is this a BIDI CHAP
1421 * @chap_index: CHAP index to be returned
1422 *
1423 * Match the username and password in the chap_list, return the index if a
1424 * match is found. If a match is not found then add the entry in FLASH and
1425 * return the index at which entry is written in the FLASH.
1426 **/
1427 static int qla4xxx_get_chap_index(struct scsi_qla_host *ha, char *username,
1428 char *password, int bidi, uint16_t *chap_index)
1429 {
1430 int i, rval;
1431 int free_index = -1;
1432 int found_index = 0;
1433 int max_chap_entries = 0;
1434 struct ql4_chap_table *chap_table;
1435
1436 if (is_qla8022(ha))
1437 max_chap_entries = (ha->hw.flt_chap_size / 2) /
1438 sizeof(struct ql4_chap_table);
1439 else
1440 max_chap_entries = MAX_CHAP_ENTRIES_40XX;
1441
1442 if (!ha->chap_list) {
1443 ql4_printk(KERN_ERR, ha, "Do not have CHAP table cache\n");
1444 return QLA_ERROR;
1445 }
1446
1447 mutex_lock(&ha->chap_sem);
1448 for (i = 0; i < max_chap_entries; i++) {
1449 chap_table = (struct ql4_chap_table *)ha->chap_list + i;
1450 if (chap_table->cookie !=
1451 __constant_cpu_to_le16(CHAP_VALID_COOKIE)) {
1452 if (i > MAX_RESRV_CHAP_IDX && free_index == -1)
1453 free_index = i;
1454 continue;
1455 }
1456 if (bidi) {
1457 if (chap_table->flags & BIT_7)
1458 continue;
1459 } else {
1460 if (chap_table->flags & BIT_6)
1461 continue;
1462 }
1463 if (!strncmp(chap_table->secret, password,
1464 MAX_CHAP_SECRET_LEN) &&
1465 !strncmp(chap_table->name, username,
1466 MAX_CHAP_NAME_LEN)) {
1467 *chap_index = i;
1468 found_index = 1;
1469 break;
1470 }
1471 }
1472
1473 /* If chap entry is not present and a free index is available then
1474 * write the entry in flash
1475 */
1476 if (!found_index && free_index != -1) {
1477 rval = qla4xxx_set_chap(ha, username, password,
1478 free_index, bidi);
1479 if (!rval) {
1480 *chap_index = free_index;
1481 found_index = 1;
1482 }
1483 }
1484
1485 mutex_unlock(&ha->chap_sem);
1486
1487 if (found_index)
1488 return QLA_SUCCESS;
1489 return QLA_ERROR;
1490 }
1491
1492 int qla4xxx_conn_close_sess_logout(struct scsi_qla_host *ha,
1493 uint16_t fw_ddb_index,
1494 uint16_t connection_id,
1495 uint16_t option)
1496 {
1497 uint32_t mbox_cmd[MBOX_REG_COUNT];
1498 uint32_t mbox_sts[MBOX_REG_COUNT];
1499 int status = QLA_SUCCESS;
1500
1501 memset(&mbox_cmd, 0, sizeof(mbox_cmd));
1502 memset(&mbox_sts, 0, sizeof(mbox_sts));
1503
1504 mbox_cmd[0] = MBOX_CMD_CONN_CLOSE_SESS_LOGOUT;
1505 mbox_cmd[1] = fw_ddb_index;
1506 mbox_cmd[2] = connection_id;
1507 mbox_cmd[3] = option;
1508
1509 status = qla4xxx_mailbox_command(ha, 4, 2, &mbox_cmd[0], &mbox_sts[0]);
1510 if (status != QLA_SUCCESS) {
1511 DEBUG2(ql4_printk(KERN_WARNING, ha, "%s: MBOX_CMD_CONN_CLOSE "
1512 "option %04x failed w/ status %04X %04X\n",
1513 __func__, option, mbox_sts[0], mbox_sts[1]));
1514 }
1515 return status;
1516 }
1517
1518 int qla4xxx_disable_acb(struct scsi_qla_host *ha)
1519 {
1520 uint32_t mbox_cmd[MBOX_REG_COUNT];
1521 uint32_t mbox_sts[MBOX_REG_COUNT];
1522 int status = QLA_SUCCESS;
1523
1524 memset(&mbox_cmd, 0, sizeof(mbox_cmd));
1525 memset(&mbox_sts, 0, sizeof(mbox_sts));
1526
1527 mbox_cmd[0] = MBOX_CMD_DISABLE_ACB;
1528
1529 status = qla4xxx_mailbox_command(ha, 8, 5, &mbox_cmd[0], &mbox_sts[0]);
1530 if (status != QLA_SUCCESS) {
1531 DEBUG2(ql4_printk(KERN_WARNING, ha, "%s: MBOX_CMD_DISABLE_ACB "
1532 "failed w/ status %04X %04X %04X", __func__,
1533 mbox_sts[0], mbox_sts[1], mbox_sts[2]));
1534 }
1535 return status;
1536 }
1537
1538 int qla4xxx_get_acb(struct scsi_qla_host *ha, dma_addr_t acb_dma,
1539 uint32_t acb_type, uint32_t len)
1540 {
1541 uint32_t mbox_cmd[MBOX_REG_COUNT];
1542 uint32_t mbox_sts[MBOX_REG_COUNT];
1543 int status = QLA_SUCCESS;
1544
1545 memset(&mbox_cmd, 0, sizeof(mbox_cmd));
1546 memset(&mbox_sts, 0, sizeof(mbox_sts));
1547
1548 mbox_cmd[0] = MBOX_CMD_GET_ACB;
1549 mbox_cmd[1] = acb_type;
1550 mbox_cmd[2] = LSDW(acb_dma);
1551 mbox_cmd[3] = MSDW(acb_dma);
1552 mbox_cmd[4] = len;
1553
1554 status = qla4xxx_mailbox_command(ha, 5, 5, &mbox_cmd[0], &mbox_sts[0]);
1555 if (status != QLA_SUCCESS) {
1556 DEBUG2(ql4_printk(KERN_WARNING, ha, "%s: MBOX_CMD_GET_ACB "
1557 "failed w/ status %04X\n", __func__,
1558 mbox_sts[0]));
1559 }
1560 return status;
1561 }
1562
1563 int qla4xxx_set_acb(struct scsi_qla_host *ha, uint32_t *mbox_cmd,
1564 uint32_t *mbox_sts, dma_addr_t acb_dma)
1565 {
1566 int status = QLA_SUCCESS;
1567
1568 memset(mbox_cmd, 0, sizeof(mbox_cmd[0]) * MBOX_REG_COUNT);
1569 memset(mbox_sts, 0, sizeof(mbox_sts[0]) * MBOX_REG_COUNT);
1570 mbox_cmd[0] = MBOX_CMD_SET_ACB;
1571 mbox_cmd[1] = 0; /* Primary ACB */
1572 mbox_cmd[2] = LSDW(acb_dma);
1573 mbox_cmd[3] = MSDW(acb_dma);
1574 mbox_cmd[4] = sizeof(struct addr_ctrl_blk);
1575
1576 status = qla4xxx_mailbox_command(ha, 5, 5, &mbox_cmd[0], &mbox_sts[0]);
1577 if (status != QLA_SUCCESS) {
1578 DEBUG2(ql4_printk(KERN_WARNING, ha, "%s: MBOX_CMD_SET_ACB "
1579 "failed w/ status %04X\n", __func__,
1580 mbox_sts[0]));
1581 }
1582 return status;
1583 }
1584
1585 int qla4xxx_set_param_ddbentry(struct scsi_qla_host *ha,
1586 struct ddb_entry *ddb_entry,
1587 struct iscsi_cls_conn *cls_conn,
1588 uint32_t *mbx_sts)
1589 {
1590 struct dev_db_entry *fw_ddb_entry;
1591 struct iscsi_conn *conn;
1592 struct iscsi_session *sess;
1593 struct qla_conn *qla_conn;
1594 struct sockaddr *dst_addr;
1595 dma_addr_t fw_ddb_entry_dma;
1596 int status = QLA_SUCCESS;
1597 int rval = 0;
1598 struct sockaddr_in *addr;
1599 struct sockaddr_in6 *addr6;
1600 char *ip;
1601 uint16_t iscsi_opts = 0;
1602 uint32_t options = 0;
1603 uint16_t idx;
1604
1605 fw_ddb_entry = dma_alloc_coherent(&ha->pdev->dev, sizeof(*fw_ddb_entry),
1606 &fw_ddb_entry_dma, GFP_KERNEL);
1607 if (!fw_ddb_entry) {
1608 DEBUG2(ql4_printk(KERN_ERR, ha,
1609 "%s: Unable to allocate dma buffer.\n",
1610 __func__));
1611 rval = -ENOMEM;
1612 goto exit_set_param_no_free;
1613 }
1614
1615 conn = cls_conn->dd_data;
1616 qla_conn = conn->dd_data;
1617 sess = conn->session;
1618 dst_addr = &qla_conn->qla_ep->dst_addr;
1619
1620 if (dst_addr->sa_family == AF_INET6)
1621 options |= IPV6_DEFAULT_DDB_ENTRY;
1622
1623 status = qla4xxx_get_default_ddb(ha, options, fw_ddb_entry_dma);
1624 if (status == QLA_ERROR) {
1625 rval = -EINVAL;
1626 goto exit_set_param;
1627 }
1628
1629 iscsi_opts = le16_to_cpu(fw_ddb_entry->iscsi_options);
1630 memset(fw_ddb_entry->iscsi_alias, 0, sizeof(fw_ddb_entry->iscsi_alias));
1631
1632 memset(fw_ddb_entry->iscsi_name, 0, sizeof(fw_ddb_entry->iscsi_name));
1633
1634 if (sess->targetname != NULL) {
1635 memcpy(fw_ddb_entry->iscsi_name, sess->targetname,
1636 min(strlen(sess->targetname),
1637 sizeof(fw_ddb_entry->iscsi_name)));
1638 }
1639
1640 memset(fw_ddb_entry->ip_addr, 0, sizeof(fw_ddb_entry->ip_addr));
1641 memset(fw_ddb_entry->tgt_addr, 0, sizeof(fw_ddb_entry->tgt_addr));
1642
1643 fw_ddb_entry->options = DDB_OPT_TARGET | DDB_OPT_AUTO_SENDTGTS_DISABLE;
1644
1645 if (dst_addr->sa_family == AF_INET) {
1646 addr = (struct sockaddr_in *)dst_addr;
1647 ip = (char *)&addr->sin_addr;
1648 memcpy(fw_ddb_entry->ip_addr, ip, IP_ADDR_LEN);
1649 fw_ddb_entry->port = cpu_to_le16(ntohs(addr->sin_port));
1650 DEBUG2(ql4_printk(KERN_INFO, ha,
1651 "%s: Destination Address [%pI4]: index [%d]\n",
1652 __func__, fw_ddb_entry->ip_addr,
1653 ddb_entry->fw_ddb_index));
1654 } else if (dst_addr->sa_family == AF_INET6) {
1655 addr6 = (struct sockaddr_in6 *)dst_addr;
1656 ip = (char *)&addr6->sin6_addr;
1657 memcpy(fw_ddb_entry->ip_addr, ip, IPv6_ADDR_LEN);
1658 fw_ddb_entry->port = cpu_to_le16(ntohs(addr6->sin6_port));
1659 fw_ddb_entry->options |= DDB_OPT_IPV6_DEVICE;
1660 DEBUG2(ql4_printk(KERN_INFO, ha,
1661 "%s: Destination Address [%pI6]: index [%d]\n",
1662 __func__, fw_ddb_entry->ip_addr,
1663 ddb_entry->fw_ddb_index));
1664 } else {
1665 ql4_printk(KERN_ERR, ha,
1666 "%s: Failed to get IP Address\n",
1667 __func__);
1668 rval = -EINVAL;
1669 goto exit_set_param;
1670 }
1671
1672 /* CHAP */
1673 if (sess->username != NULL && sess->password != NULL) {
1674 if (strlen(sess->username) && strlen(sess->password)) {
1675 iscsi_opts |= BIT_7;
1676
1677 rval = qla4xxx_get_chap_index(ha, sess->username,
1678 sess->password,
1679 LOCAL_CHAP, &idx);
1680 if (rval)
1681 goto exit_set_param;
1682
1683 fw_ddb_entry->chap_tbl_idx = cpu_to_le16(idx);
1684 }
1685 }
1686
1687 if (sess->username_in != NULL && sess->password_in != NULL) {
1688 /* Check if BIDI CHAP */
1689 if (strlen(sess->username_in) && strlen(sess->password_in)) {
1690 iscsi_opts |= BIT_4;
1691
1692 rval = qla4xxx_get_chap_index(ha, sess->username_in,
1693 sess->password_in,
1694 BIDI_CHAP, &idx);
1695 if (rval)
1696 goto exit_set_param;
1697 }
1698 }
1699
1700 if (sess->initial_r2t_en)
1701 iscsi_opts |= BIT_10;
1702
1703 if (sess->imm_data_en)
1704 iscsi_opts |= BIT_11;
1705
1706 fw_ddb_entry->iscsi_options = cpu_to_le16(iscsi_opts);
1707
1708 if (conn->max_recv_dlength)
1709 fw_ddb_entry->iscsi_max_rcv_data_seg_len =
1710 __constant_cpu_to_le16((conn->max_recv_dlength / BYTE_UNITS));
1711
1712 if (sess->max_r2t)
1713 fw_ddb_entry->iscsi_max_outsnd_r2t = cpu_to_le16(sess->max_r2t);
1714
1715 if (sess->first_burst)
1716 fw_ddb_entry->iscsi_first_burst_len =
1717 __constant_cpu_to_le16((sess->first_burst / BYTE_UNITS));
1718
1719 if (sess->max_burst)
1720 fw_ddb_entry->iscsi_max_burst_len =
1721 __constant_cpu_to_le16((sess->max_burst / BYTE_UNITS));
1722
1723 if (sess->time2wait)
1724 fw_ddb_entry->iscsi_def_time2wait =
1725 cpu_to_le16(sess->time2wait);
1726
1727 if (sess->time2retain)
1728 fw_ddb_entry->iscsi_def_time2retain =
1729 cpu_to_le16(sess->time2retain);
1730
1731 status = qla4xxx_set_ddb_entry(ha, ddb_entry->fw_ddb_index,
1732 fw_ddb_entry_dma, mbx_sts);
1733
1734 if (status != QLA_SUCCESS)
1735 rval = -EINVAL;
1736 exit_set_param:
1737 dma_free_coherent(&ha->pdev->dev, sizeof(*fw_ddb_entry),
1738 fw_ddb_entry, fw_ddb_entry_dma);
1739 exit_set_param_no_free:
1740 return rval;
1741 }
1742
1743 int qla4xxx_get_mgmt_data(struct scsi_qla_host *ha, uint16_t fw_ddb_index,
1744 uint16_t stats_size, dma_addr_t stats_dma)
1745 {
1746 int status = QLA_SUCCESS;
1747 uint32_t mbox_cmd[MBOX_REG_COUNT];
1748 uint32_t mbox_sts[MBOX_REG_COUNT];
1749
1750 memset(mbox_cmd, 0, sizeof(mbox_cmd[0]) * MBOX_REG_COUNT);
1751 memset(mbox_sts, 0, sizeof(mbox_sts[0]) * MBOX_REG_COUNT);
1752 mbox_cmd[0] = MBOX_CMD_GET_MANAGEMENT_DATA;
1753 mbox_cmd[1] = fw_ddb_index;
1754 mbox_cmd[2] = LSDW(stats_dma);
1755 mbox_cmd[3] = MSDW(stats_dma);
1756 mbox_cmd[4] = stats_size;
1757
1758 status = qla4xxx_mailbox_command(ha, 5, 1, &mbox_cmd[0], &mbox_sts[0]);
1759 if (status != QLA_SUCCESS) {
1760 DEBUG2(ql4_printk(KERN_WARNING, ha,
1761 "%s: MBOX_CMD_GET_MANAGEMENT_DATA "
1762 "failed w/ status %04X\n", __func__,
1763 mbox_sts[0]));
1764 }
1765 return status;
1766 }
1767
1768 int qla4xxx_get_ip_state(struct scsi_qla_host *ha, uint32_t acb_idx,
1769 uint32_t ip_idx, uint32_t *sts)
1770 {
1771 uint32_t mbox_cmd[MBOX_REG_COUNT];
1772 uint32_t mbox_sts[MBOX_REG_COUNT];
1773 int status = QLA_SUCCESS;
1774
1775 memset(&mbox_cmd, 0, sizeof(mbox_cmd));
1776 memset(&mbox_sts, 0, sizeof(mbox_sts));
1777 mbox_cmd[0] = MBOX_CMD_GET_IP_ADDR_STATE;
1778 mbox_cmd[1] = acb_idx;
1779 mbox_cmd[2] = ip_idx;
1780
1781 status = qla4xxx_mailbox_command(ha, 3, 8, &mbox_cmd[0], &mbox_sts[0]);
1782 if (status != QLA_SUCCESS) {
1783 DEBUG2(ql4_printk(KERN_WARNING, ha, "%s: "
1784 "MBOX_CMD_GET_IP_ADDR_STATE failed w/ "
1785 "status %04X\n", __func__, mbox_sts[0]));
1786 }
1787 memcpy(sts, mbox_sts, sizeof(mbox_sts));
1788 return status;
1789 }
1790
1791 int qla4xxx_get_nvram(struct scsi_qla_host *ha, dma_addr_t nvram_dma,
1792 uint32_t offset, uint32_t size)
1793 {
1794 int status = QLA_SUCCESS;
1795 uint32_t mbox_cmd[MBOX_REG_COUNT];
1796 uint32_t mbox_sts[MBOX_REG_COUNT];
1797
1798 memset(&mbox_cmd, 0, sizeof(mbox_cmd));
1799 memset(&mbox_sts, 0, sizeof(mbox_sts));
1800
1801 mbox_cmd[0] = MBOX_CMD_GET_NVRAM;
1802 mbox_cmd[1] = LSDW(nvram_dma);
1803 mbox_cmd[2] = MSDW(nvram_dma);
1804 mbox_cmd[3] = offset;
1805 mbox_cmd[4] = size;
1806
1807 status = qla4xxx_mailbox_command(ha, MBOX_REG_COUNT, 1, &mbox_cmd[0],
1808 &mbox_sts[0]);
1809 if (status != QLA_SUCCESS) {
1810 DEBUG2(ql4_printk(KERN_ERR, ha, "scsi%ld: %s: failed "
1811 "status %04X\n", ha->host_no, __func__,
1812 mbox_sts[0]));
1813 }
1814 return status;
1815 }
1816
1817 int qla4xxx_set_nvram(struct scsi_qla_host *ha, dma_addr_t nvram_dma,
1818 uint32_t offset, uint32_t size)
1819 {
1820 int status = QLA_SUCCESS;
1821 uint32_t mbox_cmd[MBOX_REG_COUNT];
1822 uint32_t mbox_sts[MBOX_REG_COUNT];
1823
1824 memset(&mbox_cmd, 0, sizeof(mbox_cmd));
1825 memset(&mbox_sts, 0, sizeof(mbox_sts));
1826
1827 mbox_cmd[0] = MBOX_CMD_SET_NVRAM;
1828 mbox_cmd[1] = LSDW(nvram_dma);
1829 mbox_cmd[2] = MSDW(nvram_dma);
1830 mbox_cmd[3] = offset;
1831 mbox_cmd[4] = size;
1832
1833 status = qla4xxx_mailbox_command(ha, MBOX_REG_COUNT, 1, &mbox_cmd[0],
1834 &mbox_sts[0]);
1835 if (status != QLA_SUCCESS) {
1836 DEBUG2(ql4_printk(KERN_ERR, ha, "scsi%ld: %s: failed "
1837 "status %04X\n", ha->host_no, __func__,
1838 mbox_sts[0]));
1839 }
1840 return status;
1841 }
1842
1843 int qla4xxx_restore_factory_defaults(struct scsi_qla_host *ha,
1844 uint32_t region, uint32_t field0,
1845 uint32_t field1)
1846 {
1847 int status = QLA_SUCCESS;
1848 uint32_t mbox_cmd[MBOX_REG_COUNT];
1849 uint32_t mbox_sts[MBOX_REG_COUNT];
1850
1851 memset(&mbox_cmd, 0, sizeof(mbox_cmd));
1852 memset(&mbox_sts, 0, sizeof(mbox_sts));
1853
1854 mbox_cmd[0] = MBOX_CMD_RESTORE_FACTORY_DEFAULTS;
1855 mbox_cmd[3] = region;
1856 mbox_cmd[4] = field0;
1857 mbox_cmd[5] = field1;
1858
1859 status = qla4xxx_mailbox_command(ha, MBOX_REG_COUNT, 3, &mbox_cmd[0],
1860 &mbox_sts[0]);
1861 if (status != QLA_SUCCESS) {
1862 DEBUG2(ql4_printk(KERN_ERR, ha, "scsi%ld: %s: failed "
1863 "status %04X\n", ha->host_no, __func__,
1864 mbox_sts[0]));
1865 }
1866 return status;
1867 }