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gpio: rcar: Fix runtime PM imbalance on error
[linux/fpc-iii.git] / drivers / scsi / qla4xxx / ql4_mbx.c
blob02636b4785c5875dbb40945b1c9b15948918ee56
1 /*
2 * QLogic iSCSI HBA Driver
3 * Copyright (c) 2003-2013 QLogic Corporation
4 *
5 * See LICENSE.qla4xxx for copyright and licensing details.
6 */
7
8 #include <linux/ctype.h>
9 #include "ql4_def.h"
10 #include "ql4_glbl.h"
11 #include "ql4_dbg.h"
12 #include "ql4_inline.h"
13 #include "ql4_version.h"
14
15 void qla4xxx_queue_mbox_cmd(struct scsi_qla_host *ha, uint32_t *mbx_cmd,
16 int in_count)
17 {
18 int i;
19
20 /* Load all mailbox registers, except mailbox 0. */
21 for (i = 1; i < in_count; i++)
22 writel(mbx_cmd[i], &ha->reg->mailbox[i]);
23
24 /* Wakeup firmware */
25 writel(mbx_cmd[0], &ha->reg->mailbox[0]);
26 readl(&ha->reg->mailbox[0]);
27 writel(set_rmask(CSR_INTR_RISC), &ha->reg->ctrl_status);
28 readl(&ha->reg->ctrl_status);
29 }
30
31 void qla4xxx_process_mbox_intr(struct scsi_qla_host *ha, int out_count)
32 {
33 int intr_status;
34
35 intr_status = readl(&ha->reg->ctrl_status);
36 if (intr_status & INTR_PENDING) {
37 /*
38 * Service the interrupt.
39 * The ISR will save the mailbox status registers
40 * to a temporary storage location in the adapter structure.
41 */
42 ha->mbox_status_count = out_count;
43 ha->isp_ops->interrupt_service_routine(ha, intr_status);
44 }
45 }
46
47 /**
48 * qla4xxx_is_intr_poll_mode – Are we allowed to poll for interrupts?
49 * @ha: Pointer to host adapter structure.
50 * @ret: 1=polling mode, 0=non-polling mode
51 **/
52 static int qla4xxx_is_intr_poll_mode(struct scsi_qla_host *ha)
53 {
54 int rval = 1;
55
56 if (is_qla8032(ha) || is_qla8042(ha)) {
57 if (test_bit(AF_IRQ_ATTACHED, &ha->flags) &&
58 test_bit(AF_83XX_MBOX_INTR_ON, &ha->flags))
59 rval = 0;
60 } else {
61 if (test_bit(AF_IRQ_ATTACHED, &ha->flags) &&
62 test_bit(AF_INTERRUPTS_ON, &ha->flags) &&
63 test_bit(AF_ONLINE, &ha->flags) &&
64 !test_bit(AF_HA_REMOVAL, &ha->flags))
65 rval = 0;
66 }
67
68 return rval;
69 }
70
71 /**
72 * qla4xxx_mailbox_command - issues mailbox commands
73 * @ha: Pointer to host adapter structure.
74 * @inCount: number of mailbox registers to load.
75 * @outCount: number of mailbox registers to return.
76 * @mbx_cmd: data pointer for mailbox in registers.
77 * @mbx_sts: data pointer for mailbox out registers.
78 *
79 * This routine issue mailbox commands and waits for completion.
80 * If outCount is 0, this routine completes successfully WITHOUT waiting
81 * for the mailbox command to complete.
82 **/
83 int qla4xxx_mailbox_command(struct scsi_qla_host *ha, uint8_t inCount,
84 uint8_t outCount, uint32_t *mbx_cmd,
85 uint32_t *mbx_sts)
86 {
87 int status = QLA_ERROR;
88 uint8_t i;
89 u_long wait_count;
90 unsigned long flags = 0;
91 uint32_t dev_state;
92
93 /* Make sure that pointers are valid */
94 if (!mbx_cmd || !mbx_sts) {
95 DEBUG2(printk("scsi%ld: %s: Invalid mbx_cmd or mbx_sts "
96 "pointer\n", ha->host_no, __func__));
97 return status;
98 }
99
100 if (is_qla40XX(ha)) {
101 if (test_bit(AF_HA_REMOVAL, &ha->flags)) {
102 DEBUG2(ql4_printk(KERN_WARNING, ha, "scsi%ld: %s: "
103 "prematurely completing mbx cmd as "
104 "adapter removal detected\n",
105 ha->host_no, __func__));
106 return status;
107 }
108 }
109
110 if ((is_aer_supported(ha)) &&
111 (test_bit(AF_PCI_CHANNEL_IO_PERM_FAILURE, &ha->flags))) {
112 DEBUG2(printk(KERN_WARNING "scsi%ld: %s: Perm failure on EEH, "
113 "timeout MBX Exiting.\n", ha->host_no, __func__));
114 return status;
115 }
116
117 /* Mailbox code active */
118 wait_count = MBOX_TOV * 100;
119
120 while (wait_count--) {
121 mutex_lock(&ha->mbox_sem);
122 if (!test_bit(AF_MBOX_COMMAND, &ha->flags)) {
123 set_bit(AF_MBOX_COMMAND, &ha->flags);
124 mutex_unlock(&ha->mbox_sem);
125 break;
126 }
127 mutex_unlock(&ha->mbox_sem);
128 if (!wait_count) {
129 DEBUG2(printk("scsi%ld: %s: mbox_sem failed\n",
130 ha->host_no, __func__));
131 return status;
132 }
133 msleep(10);
134 }
135
136 if (is_qla80XX(ha)) {
137 if (test_bit(AF_FW_RECOVERY, &ha->flags)) {
138 DEBUG2(ql4_printk(KERN_WARNING, ha,
139 "scsi%ld: %s: prematurely completing mbx cmd as firmware recovery detected\n",
140 ha->host_no, __func__));
141 goto mbox_exit;
142 }
143 /* Do not send any mbx cmd if h/w is in failed state*/
144 ha->isp_ops->idc_lock(ha);
145 dev_state = qla4_8xxx_rd_direct(ha, QLA8XXX_CRB_DEV_STATE);
146 ha->isp_ops->idc_unlock(ha);
147 if (dev_state == QLA8XXX_DEV_FAILED) {
148 ql4_printk(KERN_WARNING, ha,
149 "scsi%ld: %s: H/W is in failed state, do not send any mailbox commands\n",
150 ha->host_no, __func__);
151 goto mbox_exit;
152 }
153 }
154
155 spin_lock_irqsave(&ha->hardware_lock, flags);
156
157 ha->mbox_status_count = outCount;
158 for (i = 0; i < outCount; i++)
159 ha->mbox_status[i] = 0;
160
161 /* Queue the mailbox command to the firmware */
162 ha->isp_ops->queue_mailbox_command(ha, mbx_cmd, inCount);
163
164 spin_unlock_irqrestore(&ha->hardware_lock, flags);
165
166 /* Wait for completion */
167
168 /*
169 * If we don't want status, don't wait for the mailbox command to
170 * complete. For example, MBOX_CMD_RESET_FW doesn't return status,
171 * you must poll the inbound Interrupt Mask for completion.
172 */
173 if (outCount == 0) {
174 status = QLA_SUCCESS;
175 goto mbox_exit;
176 }
177
178 /*
179 * Wait for completion: Poll or completion queue
180 */
181 if (qla4xxx_is_intr_poll_mode(ha)) {
182 /* Poll for command to complete */
183 wait_count = jiffies + MBOX_TOV * HZ;
184 while (test_bit(AF_MBOX_COMMAND_DONE, &ha->flags) == 0) {
185 if (time_after_eq(jiffies, wait_count))
186 break;
187 /*
188 * Service the interrupt.
189 * The ISR will save the mailbox status registers
190 * to a temporary storage location in the adapter
191 * structure.
192 */
193 spin_lock_irqsave(&ha->hardware_lock, flags);
194 ha->isp_ops->process_mailbox_interrupt(ha, outCount);
195 spin_unlock_irqrestore(&ha->hardware_lock, flags);
196 msleep(10);
197 }
198 } else {
199 /* Do not poll for completion. Use completion queue */
200 set_bit(AF_MBOX_COMMAND_NOPOLL, &ha->flags);
201 wait_for_completion_timeout(&ha->mbx_intr_comp, MBOX_TOV * HZ);
202 clear_bit(AF_MBOX_COMMAND_NOPOLL, &ha->flags);
203 }
204
205 /* Check for mailbox timeout. */
206 if (!test_bit(AF_MBOX_COMMAND_DONE, &ha->flags)) {
207 if (is_qla80XX(ha) &&
208 test_bit(AF_FW_RECOVERY, &ha->flags)) {
209 DEBUG2(ql4_printk(KERN_INFO, ha,
210 "scsi%ld: %s: prematurely completing mbx cmd as "
211 "firmware recovery detected\n",
212 ha->host_no, __func__));
213 goto mbox_exit;
214 }
215 ql4_printk(KERN_WARNING, ha, "scsi%ld: Mailbox Cmd 0x%08X timed out, Scheduling Adapter Reset\n",
216 ha->host_no, mbx_cmd[0]);
217 ha->mailbox_timeout_count++;
218 mbx_sts[0] = (-1);
219 set_bit(DPC_RESET_HA, &ha->dpc_flags);
220 if (is_qla8022(ha)) {
221 ql4_printk(KERN_INFO, ha,
222 "disabling pause transmit on port 0 & 1.\n");
223 qla4_82xx_wr_32(ha, QLA82XX_CRB_NIU + 0x98,
224 CRB_NIU_XG_PAUSE_CTL_P0 |
225 CRB_NIU_XG_PAUSE_CTL_P1);
226 } else if (is_qla8032(ha) || is_qla8042(ha)) {
227 ql4_printk(KERN_INFO, ha, " %s: disabling pause transmit on port 0 & 1.\n",
228 __func__);
229 qla4_83xx_disable_pause(ha);
230 }
231 goto mbox_exit;
232 }
233
234 /*
235 * Copy the mailbox out registers to the caller's mailbox in/out
236 * structure.
237 */
238 spin_lock_irqsave(&ha->hardware_lock, flags);
239 for (i = 0; i < outCount; i++)
240 mbx_sts[i] = ha->mbox_status[i];
241
242 /* Set return status and error flags (if applicable). */
243 switch (ha->mbox_status[0]) {
244 case MBOX_STS_COMMAND_COMPLETE:
245 status = QLA_SUCCESS;
246 break;
247
248 case MBOX_STS_INTERMEDIATE_COMPLETION:
249 status = QLA_SUCCESS;
250 break;
251
252 case MBOX_STS_BUSY:
253 ql4_printk(KERN_WARNING, ha, "scsi%ld: %s: Cmd = %08X, ISP BUSY\n",
254 ha->host_no, __func__, mbx_cmd[0]);
255 ha->mailbox_timeout_count++;
256 break;
257
258 default:
259 ql4_printk(KERN_WARNING, ha, "scsi%ld: %s: FAILED, MBOX CMD = %08X, MBOX STS = %08X %08X %08X %08X %08X %08X %08X %08X\n",
260 ha->host_no, __func__, mbx_cmd[0], mbx_sts[0],
261 mbx_sts[1], mbx_sts[2], mbx_sts[3], mbx_sts[4],
262 mbx_sts[5], mbx_sts[6], mbx_sts[7]);
263 break;
264 }
265 spin_unlock_irqrestore(&ha->hardware_lock, flags);
266
267 mbox_exit:
268 mutex_lock(&ha->mbox_sem);
269 clear_bit(AF_MBOX_COMMAND, &ha->flags);
270 mutex_unlock(&ha->mbox_sem);
271 clear_bit(AF_MBOX_COMMAND_DONE, &ha->flags);
272
273 return status;
274 }
275
276 /**
277 * qla4xxx_get_minidump_template - Get the firmware template
278 * @ha: Pointer to host adapter structure.
279 * @phys_addr: dma address for template
280 *
281 * Obtain the minidump template from firmware during initialization
282 * as it may not be available when minidump is desired.
283 **/
284 int qla4xxx_get_minidump_template(struct scsi_qla_host *ha,
285 dma_addr_t phys_addr)
286 {
287 uint32_t mbox_cmd[MBOX_REG_COUNT];
288 uint32_t mbox_sts[MBOX_REG_COUNT];
289 int status;
290
291 memset(&mbox_cmd, 0, sizeof(mbox_cmd));
292 memset(&mbox_sts, 0, sizeof(mbox_sts));
293
294 mbox_cmd[0] = MBOX_CMD_MINIDUMP;
295 mbox_cmd[1] = MINIDUMP_GET_TMPLT_SUBCOMMAND;
296 mbox_cmd[2] = LSDW(phys_addr);
297 mbox_cmd[3] = MSDW(phys_addr);
298 mbox_cmd[4] = ha->fw_dump_tmplt_size;
299 mbox_cmd[5] = 0;
300
301 status = qla4xxx_mailbox_command(ha, MBOX_REG_COUNT, 2, &mbox_cmd[0],
302 &mbox_sts[0]);
303 if (status != QLA_SUCCESS) {
304 DEBUG2(ql4_printk(KERN_INFO, ha,
305 "scsi%ld: %s: Cmd = %08X, mbx[0] = 0x%04x, mbx[1] = 0x%04x\n",
306 ha->host_no, __func__, mbox_cmd[0],
307 mbox_sts[0], mbox_sts[1]));
308 }
309 return status;
310 }
311
312 /**
313 * qla4xxx_req_template_size - Get minidump template size from firmware.
314 * @ha: Pointer to host adapter structure.
315 **/
316 int qla4xxx_req_template_size(struct scsi_qla_host *ha)
317 {
318 uint32_t mbox_cmd[MBOX_REG_COUNT];
319 uint32_t mbox_sts[MBOX_REG_COUNT];
320 int status;
321
322 memset(&mbox_cmd, 0, sizeof(mbox_cmd));
323 memset(&mbox_sts, 0, sizeof(mbox_sts));
324
325 mbox_cmd[0] = MBOX_CMD_MINIDUMP;
326 mbox_cmd[1] = MINIDUMP_GET_SIZE_SUBCOMMAND;
327
328 status = qla4xxx_mailbox_command(ha, MBOX_REG_COUNT, 8, &mbox_cmd[0],
329 &mbox_sts[0]);
330 if (status == QLA_SUCCESS) {
331 ha->fw_dump_tmplt_size = mbox_sts[1];
332 DEBUG2(ql4_printk(KERN_INFO, ha,
333 "%s: sts[0]=0x%04x, template size=0x%04x, size_cm_02=0x%04x, size_cm_04=0x%04x, size_cm_08=0x%04x, size_cm_10=0x%04x, size_cm_FF=0x%04x, version=0x%04x\n",
334 __func__, mbox_sts[0], mbox_sts[1],
335 mbox_sts[2], mbox_sts[3], mbox_sts[4],
336 mbox_sts[5], mbox_sts[6], mbox_sts[7]));
337 if (ha->fw_dump_tmplt_size == 0)
338 status = QLA_ERROR;
339 } else {
340 ql4_printk(KERN_WARNING, ha,
341 "%s: Error sts[0]=0x%04x, mbx[1]=0x%04x\n",
342 __func__, mbox_sts[0], mbox_sts[1]);
343 status = QLA_ERROR;
344 }
345
346 return status;
347 }
348
349 void qla4xxx_mailbox_premature_completion(struct scsi_qla_host *ha)
350 {
351 set_bit(AF_FW_RECOVERY, &ha->flags);
352 ql4_printk(KERN_INFO, ha, "scsi%ld: %s: set FW RECOVERY!\n",
353 ha->host_no, __func__);
354
355 if (test_bit(AF_MBOX_COMMAND, &ha->flags)) {
356 if (test_bit(AF_MBOX_COMMAND_NOPOLL, &ha->flags)) {
357 complete(&ha->mbx_intr_comp);
358 ql4_printk(KERN_INFO, ha, "scsi%ld: %s: Due to fw "
359 "recovery, doing premature completion of "
360 "mbx cmd\n", ha->host_no, __func__);
361
362 } else {
363 set_bit(AF_MBOX_COMMAND_DONE, &ha->flags);
364 ql4_printk(KERN_INFO, ha, "scsi%ld: %s: Due to fw "
365 "recovery, doing premature completion of "
366 "polling mbx cmd\n", ha->host_no, __func__);
367 }
368 }
369 }
370
371 static uint8_t
372 qla4xxx_set_ifcb(struct scsi_qla_host *ha, uint32_t *mbox_cmd,
373 uint32_t *mbox_sts, dma_addr_t init_fw_cb_dma)
374 {
375 memset(mbox_cmd, 0, sizeof(mbox_cmd[0]) * MBOX_REG_COUNT);
376 memset(mbox_sts, 0, sizeof(mbox_sts[0]) * MBOX_REG_COUNT);
377
378 if (is_qla8022(ha))
379 qla4_82xx_wr_32(ha, ha->nx_db_wr_ptr, 0);
380
381 mbox_cmd[0] = MBOX_CMD_INITIALIZE_FIRMWARE;
382 mbox_cmd[1] = 0;
383 mbox_cmd[2] = LSDW(init_fw_cb_dma);
384 mbox_cmd[3] = MSDW(init_fw_cb_dma);
385 mbox_cmd[4] = sizeof(struct addr_ctrl_blk);
386
387 if (qla4xxx_mailbox_command(ha, 6, 6, mbox_cmd, mbox_sts) !=
388 QLA_SUCCESS) {
389 DEBUG2(printk(KERN_WARNING "scsi%ld: %s: "
390 "MBOX_CMD_INITIALIZE_FIRMWARE"
391 " failed w/ status %04X\n",
392 ha->host_no, __func__, mbox_sts[0]));
393 return QLA_ERROR;
394 }
395 return QLA_SUCCESS;
396 }
397
398 uint8_t
399 qla4xxx_get_ifcb(struct scsi_qla_host *ha, uint32_t *mbox_cmd,
400 uint32_t *mbox_sts, dma_addr_t init_fw_cb_dma)
401 {
402 memset(mbox_cmd, 0, sizeof(mbox_cmd[0]) * MBOX_REG_COUNT);
403 memset(mbox_sts, 0, sizeof(mbox_sts[0]) * MBOX_REG_COUNT);
404 mbox_cmd[0] = MBOX_CMD_GET_INIT_FW_CTRL_BLOCK;
405 mbox_cmd[2] = LSDW(init_fw_cb_dma);
406 mbox_cmd[3] = MSDW(init_fw_cb_dma);
407 mbox_cmd[4] = sizeof(struct addr_ctrl_blk);
408
409 if (qla4xxx_mailbox_command(ha, 5, 5, mbox_cmd, mbox_sts) !=
410 QLA_SUCCESS) {
411 DEBUG2(printk(KERN_WARNING "scsi%ld: %s: "
412 "MBOX_CMD_GET_INIT_FW_CTRL_BLOCK"
413 " failed w/ status %04X\n",
414 ha->host_no, __func__, mbox_sts[0]));
415 return QLA_ERROR;
416 }
417 return QLA_SUCCESS;
418 }
419
420 uint8_t qla4xxx_set_ipaddr_state(uint8_t fw_ipaddr_state)
421 {
422 uint8_t ipaddr_state;
423
424 switch (fw_ipaddr_state) {
425 case IP_ADDRSTATE_UNCONFIGURED:
426 ipaddr_state = ISCSI_IPDDRESS_STATE_UNCONFIGURED;
427 break;
428 case IP_ADDRSTATE_INVALID:
429 ipaddr_state = ISCSI_IPDDRESS_STATE_INVALID;
430 break;
431 case IP_ADDRSTATE_ACQUIRING:
432 ipaddr_state = ISCSI_IPDDRESS_STATE_ACQUIRING;
433 break;
434 case IP_ADDRSTATE_TENTATIVE:
435 ipaddr_state = ISCSI_IPDDRESS_STATE_TENTATIVE;
436 break;
437 case IP_ADDRSTATE_DEPRICATED:
438 ipaddr_state = ISCSI_IPDDRESS_STATE_DEPRECATED;
439 break;
440 case IP_ADDRSTATE_PREFERRED:
441 ipaddr_state = ISCSI_IPDDRESS_STATE_VALID;
442 break;
443 case IP_ADDRSTATE_DISABLING:
444 ipaddr_state = ISCSI_IPDDRESS_STATE_DISABLING;
445 break;
446 default:
447 ipaddr_state = ISCSI_IPDDRESS_STATE_UNCONFIGURED;
448 }
449 return ipaddr_state;
450 }
451
452 static void
453 qla4xxx_update_local_ip(struct scsi_qla_host *ha,
454 struct addr_ctrl_blk *init_fw_cb)
455 {
456 ha->ip_config.tcp_options = le16_to_cpu(init_fw_cb->ipv4_tcp_opts);
457 ha->ip_config.ipv4_options = le16_to_cpu(init_fw_cb->ipv4_ip_opts);
458 ha->ip_config.ipv4_addr_state =
459 qla4xxx_set_ipaddr_state(init_fw_cb->ipv4_addr_state);
460 ha->ip_config.eth_mtu_size =
461 le16_to_cpu(init_fw_cb->eth_mtu_size);
462 ha->ip_config.ipv4_port = le16_to_cpu(init_fw_cb->ipv4_port);
463
464 if (ha->acb_version == ACB_SUPPORTED) {
465 ha->ip_config.ipv6_options = le16_to_cpu(init_fw_cb->ipv6_opts);
466 ha->ip_config.ipv6_addl_options =
467 le16_to_cpu(init_fw_cb->ipv6_addtl_opts);
468 ha->ip_config.ipv6_tcp_options =
469 le16_to_cpu(init_fw_cb->ipv6_tcp_opts);
470 }
471
472 /* Save IPv4 Address Info */
473 memcpy(ha->ip_config.ip_address, init_fw_cb->ipv4_addr,
474 min(sizeof(ha->ip_config.ip_address),
475 sizeof(init_fw_cb->ipv4_addr)));
476 memcpy(ha->ip_config.subnet_mask, init_fw_cb->ipv4_subnet,
477 min(sizeof(ha->ip_config.subnet_mask),
478 sizeof(init_fw_cb->ipv4_subnet)));
479 memcpy(ha->ip_config.gateway, init_fw_cb->ipv4_gw_addr,
480 min(sizeof(ha->ip_config.gateway),
481 sizeof(init_fw_cb->ipv4_gw_addr)));
482
483 ha->ip_config.ipv4_vlan_tag = be16_to_cpu(init_fw_cb->ipv4_vlan_tag);
484 ha->ip_config.control = init_fw_cb->control;
485 ha->ip_config.tcp_wsf = init_fw_cb->ipv4_tcp_wsf;
486 ha->ip_config.ipv4_tos = init_fw_cb->ipv4_tos;
487 ha->ip_config.ipv4_cache_id = init_fw_cb->ipv4_cacheid;
488 ha->ip_config.ipv4_alt_cid_len = init_fw_cb->ipv4_dhcp_alt_cid_len;
489 memcpy(ha->ip_config.ipv4_alt_cid, init_fw_cb->ipv4_dhcp_alt_cid,
490 min(sizeof(ha->ip_config.ipv4_alt_cid),
491 sizeof(init_fw_cb->ipv4_dhcp_alt_cid)));
492 ha->ip_config.ipv4_vid_len = init_fw_cb->ipv4_dhcp_vid_len;
493 memcpy(ha->ip_config.ipv4_vid, init_fw_cb->ipv4_dhcp_vid,
494 min(sizeof(ha->ip_config.ipv4_vid),
495 sizeof(init_fw_cb->ipv4_dhcp_vid)));
496 ha->ip_config.ipv4_ttl = init_fw_cb->ipv4_ttl;
497 ha->ip_config.def_timeout = le16_to_cpu(init_fw_cb->def_timeout);
498 ha->ip_config.abort_timer = init_fw_cb->abort_timer;
499 ha->ip_config.iscsi_options = le16_to_cpu(init_fw_cb->iscsi_opts);
500 ha->ip_config.iscsi_max_pdu_size =
501 le16_to_cpu(init_fw_cb->iscsi_max_pdu_size);
502 ha->ip_config.iscsi_first_burst_len =
503 le16_to_cpu(init_fw_cb->iscsi_fburst_len);
504 ha->ip_config.iscsi_max_outstnd_r2t =
505 le16_to_cpu(init_fw_cb->iscsi_max_outstnd_r2t);
506 ha->ip_config.iscsi_max_burst_len =
507 le16_to_cpu(init_fw_cb->iscsi_max_burst_len);
508 memcpy(ha->ip_config.iscsi_name, init_fw_cb->iscsi_name,
509 min(sizeof(ha->ip_config.iscsi_name),
510 sizeof(init_fw_cb->iscsi_name)));
511
512 if (is_ipv6_enabled(ha)) {
513 /* Save IPv6 Address */
514 ha->ip_config.ipv6_link_local_state =
515 qla4xxx_set_ipaddr_state(init_fw_cb->ipv6_lnk_lcl_addr_state);
516 ha->ip_config.ipv6_addr0_state =
517 qla4xxx_set_ipaddr_state(init_fw_cb->ipv6_addr0_state);
518 ha->ip_config.ipv6_addr1_state =
519 qla4xxx_set_ipaddr_state(init_fw_cb->ipv6_addr1_state);
520
521 switch (le16_to_cpu(init_fw_cb->ipv6_dflt_rtr_state)) {
522 case IPV6_RTRSTATE_UNKNOWN:
523 ha->ip_config.ipv6_default_router_state =
524 ISCSI_ROUTER_STATE_UNKNOWN;
525 break;
526 case IPV6_RTRSTATE_MANUAL:
527 ha->ip_config.ipv6_default_router_state =
528 ISCSI_ROUTER_STATE_MANUAL;
529 break;
530 case IPV6_RTRSTATE_ADVERTISED:
531 ha->ip_config.ipv6_default_router_state =
532 ISCSI_ROUTER_STATE_ADVERTISED;
533 break;
534 case IPV6_RTRSTATE_STALE:
535 ha->ip_config.ipv6_default_router_state =
536 ISCSI_ROUTER_STATE_STALE;
537 break;
538 default:
539 ha->ip_config.ipv6_default_router_state =
540 ISCSI_ROUTER_STATE_UNKNOWN;
541 }
542
543 ha->ip_config.ipv6_link_local_addr.in6_u.u6_addr8[0] = 0xFE;
544 ha->ip_config.ipv6_link_local_addr.in6_u.u6_addr8[1] = 0x80;
545
546 memcpy(&ha->ip_config.ipv6_link_local_addr.in6_u.u6_addr8[8],
547 init_fw_cb->ipv6_if_id,
548 min(sizeof(ha->ip_config.ipv6_link_local_addr)/2,
549 sizeof(init_fw_cb->ipv6_if_id)));
550 memcpy(&ha->ip_config.ipv6_addr0, init_fw_cb->ipv6_addr0,
551 min(sizeof(ha->ip_config.ipv6_addr0),
552 sizeof(init_fw_cb->ipv6_addr0)));
553 memcpy(&ha->ip_config.ipv6_addr1, init_fw_cb->ipv6_addr1,
554 min(sizeof(ha->ip_config.ipv6_addr1),
555 sizeof(init_fw_cb->ipv6_addr1)));
556 memcpy(&ha->ip_config.ipv6_default_router_addr,
557 init_fw_cb->ipv6_dflt_rtr_addr,
558 min(sizeof(ha->ip_config.ipv6_default_router_addr),
559 sizeof(init_fw_cb->ipv6_dflt_rtr_addr)));
560 ha->ip_config.ipv6_vlan_tag =
561 be16_to_cpu(init_fw_cb->ipv6_vlan_tag);
562 ha->ip_config.ipv6_port = le16_to_cpu(init_fw_cb->ipv6_port);
563 ha->ip_config.ipv6_cache_id = init_fw_cb->ipv6_cache_id;
564 ha->ip_config.ipv6_flow_lbl =
565 le16_to_cpu(init_fw_cb->ipv6_flow_lbl);
566 ha->ip_config.ipv6_traffic_class =
567 init_fw_cb->ipv6_traffic_class;
568 ha->ip_config.ipv6_hop_limit = init_fw_cb->ipv6_hop_limit;
569 ha->ip_config.ipv6_nd_reach_time =
570 le32_to_cpu(init_fw_cb->ipv6_nd_reach_time);
571 ha->ip_config.ipv6_nd_rexmit_timer =
572 le32_to_cpu(init_fw_cb->ipv6_nd_rexmit_timer);
573 ha->ip_config.ipv6_nd_stale_timeout =
574 le32_to_cpu(init_fw_cb->ipv6_nd_stale_timeout);
575 ha->ip_config.ipv6_dup_addr_detect_count =
576 init_fw_cb->ipv6_dup_addr_detect_count;
577 ha->ip_config.ipv6_gw_advrt_mtu =
578 le32_to_cpu(init_fw_cb->ipv6_gw_advrt_mtu);
579 ha->ip_config.ipv6_tcp_wsf = init_fw_cb->ipv6_tcp_wsf;
580 }
581 }
582
583 uint8_t
584 qla4xxx_update_local_ifcb(struct scsi_qla_host *ha,
585 uint32_t *mbox_cmd,
586 uint32_t *mbox_sts,
587 struct addr_ctrl_blk *init_fw_cb,
588 dma_addr_t init_fw_cb_dma)
589 {
590 if (qla4xxx_get_ifcb(ha, mbox_cmd, mbox_sts, init_fw_cb_dma)
591 != QLA_SUCCESS) {
592 DEBUG2(printk(KERN_WARNING
593 "scsi%ld: %s: Failed to get init_fw_ctrl_blk\n",
594 ha->host_no, __func__));
595 return QLA_ERROR;
596 }
597
598 DEBUG2(qla4xxx_dump_buffer(init_fw_cb, sizeof(struct addr_ctrl_blk)));
599
600 /* Save some info in adapter structure. */
601 ha->acb_version = init_fw_cb->acb_version;
602 ha->firmware_options = le16_to_cpu(init_fw_cb->fw_options);
603 ha->heartbeat_interval = init_fw_cb->hb_interval;
604 memcpy(ha->name_string, init_fw_cb->iscsi_name,
605 min(sizeof(ha->name_string),
606 sizeof(init_fw_cb->iscsi_name)));
607 ha->def_timeout = le16_to_cpu(init_fw_cb->def_timeout);
608 /*memcpy(ha->alias, init_fw_cb->Alias,
609 min(sizeof(ha->alias), sizeof(init_fw_cb->Alias)));*/
610
611 qla4xxx_update_local_ip(ha, init_fw_cb);
612
613 return QLA_SUCCESS;
614 }
615
616 /**
617 * qla4xxx_initialize_fw_cb - initializes firmware control block.
618 * @ha: Pointer to host adapter structure.
619 **/
620 int qla4xxx_initialize_fw_cb(struct scsi_qla_host * ha)
621 {
622 struct addr_ctrl_blk *init_fw_cb;
623 dma_addr_t init_fw_cb_dma;
624 uint32_t mbox_cmd[MBOX_REG_COUNT];
625 uint32_t mbox_sts[MBOX_REG_COUNT];
626 int status = QLA_ERROR;
627
628 init_fw_cb = dma_alloc_coherent(&ha->pdev->dev,
629 sizeof(struct addr_ctrl_blk),
630 &init_fw_cb_dma, GFP_KERNEL);
631 if (init_fw_cb == NULL) {
632 DEBUG2(printk("scsi%ld: %s: Unable to alloc init_cb\n",
633 ha->host_no, __func__));
634 goto exit_init_fw_cb_no_free;
635 }
636
637 /* Get Initialize Firmware Control Block. */
638 memset(&mbox_cmd, 0, sizeof(mbox_cmd));
639 memset(&mbox_sts, 0, sizeof(mbox_sts));
640
641 if (qla4xxx_get_ifcb(ha, &mbox_cmd[0], &mbox_sts[0], init_fw_cb_dma) !=
642 QLA_SUCCESS) {
643 goto exit_init_fw_cb;
644 }
645
646 /* Fill in the request and response queue information. */
647 init_fw_cb->rqq_consumer_idx = cpu_to_le16(ha->request_out);
648 init_fw_cb->compq_producer_idx = cpu_to_le16(ha->response_in);
649 init_fw_cb->rqq_len = __constant_cpu_to_le16(REQUEST_QUEUE_DEPTH);
650 init_fw_cb->compq_len = __constant_cpu_to_le16(RESPONSE_QUEUE_DEPTH);
651 init_fw_cb->rqq_addr_lo = cpu_to_le32(LSDW(ha->request_dma));
652 init_fw_cb->rqq_addr_hi = cpu_to_le32(MSDW(ha->request_dma));
653 init_fw_cb->compq_addr_lo = cpu_to_le32(LSDW(ha->response_dma));
654 init_fw_cb->compq_addr_hi = cpu_to_le32(MSDW(ha->response_dma));
655 init_fw_cb->shdwreg_addr_lo = cpu_to_le32(LSDW(ha->shadow_regs_dma));
656 init_fw_cb->shdwreg_addr_hi = cpu_to_le32(MSDW(ha->shadow_regs_dma));
657
658 /* Set up required options. */
659 init_fw_cb->fw_options |=
660 __constant_cpu_to_le16(FWOPT_SESSION_MODE |
661 FWOPT_INITIATOR_MODE);
662
663 if (is_qla80XX(ha))
664 init_fw_cb->fw_options |=
665 __constant_cpu_to_le16(FWOPT_ENABLE_CRBDB);
666
667 init_fw_cb->fw_options &= __constant_cpu_to_le16(~FWOPT_TARGET_MODE);
668
669 init_fw_cb->add_fw_options = 0;
670 init_fw_cb->add_fw_options |=
671 __constant_cpu_to_le16(ADFWOPT_SERIALIZE_TASK_MGMT);
672 init_fw_cb->add_fw_options |=
673 __constant_cpu_to_le16(ADFWOPT_AUTOCONN_DISABLE);
674
675 if (qla4xxx_set_ifcb(ha, &mbox_cmd[0], &mbox_sts[0], init_fw_cb_dma)
676 != QLA_SUCCESS) {
677 DEBUG2(printk(KERN_WARNING
678 "scsi%ld: %s: Failed to set init_fw_ctrl_blk\n",
679 ha->host_no, __func__));
680 goto exit_init_fw_cb;
681 }
682
683 if (qla4xxx_update_local_ifcb(ha, &mbox_cmd[0], &mbox_sts[0],
684 init_fw_cb, init_fw_cb_dma) != QLA_SUCCESS) {
685 DEBUG2(printk("scsi%ld: %s: Failed to update local ifcb\n",
686 ha->host_no, __func__));
687 goto exit_init_fw_cb;
688 }
689 status = QLA_SUCCESS;
690
691 exit_init_fw_cb:
692 dma_free_coherent(&ha->pdev->dev, sizeof(struct addr_ctrl_blk),
693 init_fw_cb, init_fw_cb_dma);
694 exit_init_fw_cb_no_free:
695 return status;
696 }
697
698 /**
699 * qla4xxx_get_dhcp_ip_address - gets HBA ip address via DHCP
700 * @ha: Pointer to host adapter structure.
701 **/
702 int qla4xxx_get_dhcp_ip_address(struct scsi_qla_host * ha)
703 {
704 struct addr_ctrl_blk *init_fw_cb;
705 dma_addr_t init_fw_cb_dma;
706 uint32_t mbox_cmd[MBOX_REG_COUNT];
707 uint32_t mbox_sts[MBOX_REG_COUNT];
708
709 init_fw_cb = dma_alloc_coherent(&ha->pdev->dev,
710 sizeof(struct addr_ctrl_blk),
711 &init_fw_cb_dma, GFP_KERNEL);
712 if (init_fw_cb == NULL) {
713 printk("scsi%ld: %s: Unable to alloc init_cb\n", ha->host_no,
714 __func__);
715 return QLA_ERROR;
716 }
717
718 /* Get Initialize Firmware Control Block. */
719 if (qla4xxx_get_ifcb(ha, &mbox_cmd[0], &mbox_sts[0], init_fw_cb_dma) !=
720 QLA_SUCCESS) {
721 DEBUG2(printk("scsi%ld: %s: Failed to get init_fw_ctrl_blk\n",
722 ha->host_no, __func__));
723 dma_free_coherent(&ha->pdev->dev,
724 sizeof(struct addr_ctrl_blk),
725 init_fw_cb, init_fw_cb_dma);
726 return QLA_ERROR;
727 }
728
729 /* Save IP Address. */
730 qla4xxx_update_local_ip(ha, init_fw_cb);
731 dma_free_coherent(&ha->pdev->dev, sizeof(struct addr_ctrl_blk),
732 init_fw_cb, init_fw_cb_dma);
733
734 return QLA_SUCCESS;
735 }
736
737 /**
738 * qla4xxx_get_firmware_state - gets firmware state of HBA
739 * @ha: Pointer to host adapter structure.
740 **/
741 int qla4xxx_get_firmware_state(struct scsi_qla_host * ha)
742 {
743 uint32_t mbox_cmd[MBOX_REG_COUNT];
744 uint32_t mbox_sts[MBOX_REG_COUNT];
745
746 /* Get firmware version */
747 memset(&mbox_cmd, 0, sizeof(mbox_cmd));
748 memset(&mbox_sts, 0, sizeof(mbox_sts));
749
750 mbox_cmd[0] = MBOX_CMD_GET_FW_STATE;
751
752 if (qla4xxx_mailbox_command(ha, MBOX_REG_COUNT, 4, &mbox_cmd[0], &mbox_sts[0]) !=
753 QLA_SUCCESS) {
754 DEBUG2(printk("scsi%ld: %s: MBOX_CMD_GET_FW_STATE failed w/ "
755 "status %04X\n", ha->host_no, __func__,
756 mbox_sts[0]));
757 return QLA_ERROR;
758 }
759 ha->firmware_state = mbox_sts[1];
760 ha->board_id = mbox_sts[2];
761 ha->addl_fw_state = mbox_sts[3];
762 DEBUG2(printk("scsi%ld: %s firmware_state=0x%x\n",
763 ha->host_no, __func__, ha->firmware_state);)
764
765 return QLA_SUCCESS;
766 }
767
768 /**
769 * qla4xxx_get_firmware_status - retrieves firmware status
770 * @ha: Pointer to host adapter structure.
771 **/
772 int qla4xxx_get_firmware_status(struct scsi_qla_host * ha)
773 {
774 uint32_t mbox_cmd[MBOX_REG_COUNT];
775 uint32_t mbox_sts[MBOX_REG_COUNT];
776
777 /* Get firmware version */
778 memset(&mbox_cmd, 0, sizeof(mbox_cmd));
779 memset(&mbox_sts, 0, sizeof(mbox_sts));
780
781 mbox_cmd[0] = MBOX_CMD_GET_FW_STATUS;
782
783 if (qla4xxx_mailbox_command(ha, MBOX_REG_COUNT, 3, &mbox_cmd[0], &mbox_sts[0]) !=
784 QLA_SUCCESS) {
785 DEBUG2(printk("scsi%ld: %s: MBOX_CMD_GET_FW_STATUS failed w/ "
786 "status %04X\n", ha->host_no, __func__,
787 mbox_sts[0]));
788 return QLA_ERROR;
789 }
790
791 /* High-water mark of IOCBs */
792 ha->iocb_hiwat = mbox_sts[2];
793 DEBUG2(ql4_printk(KERN_INFO, ha,
794 "%s: firmware IOCBs available = %d\n", __func__,
795 ha->iocb_hiwat));
796
797 if (ha->iocb_hiwat > IOCB_HIWAT_CUSHION)
798 ha->iocb_hiwat -= IOCB_HIWAT_CUSHION;
799
800 /* Ideally, we should not enter this code, as the # of firmware
801 * IOCBs is hard-coded in the firmware. We set a default
802 * iocb_hiwat here just in case */
803 if (ha->iocb_hiwat == 0) {
804 ha->iocb_hiwat = REQUEST_QUEUE_DEPTH / 4;
805 DEBUG2(ql4_printk(KERN_WARNING, ha,
806 "%s: Setting IOCB's to = %d\n", __func__,
807 ha->iocb_hiwat));
808 }
809
810 return QLA_SUCCESS;
811 }
812
813 /**
814 * qla4xxx_get_fwddb_entry - retrieves firmware ddb entry
815 * @ha: Pointer to host adapter structure.
816 * @fw_ddb_index: Firmware's device database index
817 * @fw_ddb_entry: Pointer to firmware's device database entry structure
818 * @num_valid_ddb_entries: Pointer to number of valid ddb entries
819 * @next_ddb_index: Pointer to next valid device database index
820 * @fw_ddb_device_state: Pointer to device state
821 **/
822 int qla4xxx_get_fwddb_entry(struct scsi_qla_host *ha,
823 uint16_t fw_ddb_index,
824 struct dev_db_entry *fw_ddb_entry,
825 dma_addr_t fw_ddb_entry_dma,
826 uint32_t *num_valid_ddb_entries,
827 uint32_t *next_ddb_index,
828 uint32_t *fw_ddb_device_state,
829 uint32_t *conn_err_detail,
830 uint16_t *tcp_source_port_num,
831 uint16_t *connection_id)
832 {
833 int status = QLA_ERROR;
834 uint16_t options;
835 uint32_t mbox_cmd[MBOX_REG_COUNT];
836 uint32_t mbox_sts[MBOX_REG_COUNT];
837
838 /* Make sure the device index is valid */
839 if (fw_ddb_index >= MAX_DDB_ENTRIES) {
840 DEBUG2(printk("scsi%ld: %s: ddb [%d] out of range.\n",
841 ha->host_no, __func__, fw_ddb_index));
842 goto exit_get_fwddb;
843 }
844 memset(&mbox_cmd, 0, sizeof(mbox_cmd));
845 memset(&mbox_sts, 0, sizeof(mbox_sts));
846 if (fw_ddb_entry)
847 memset(fw_ddb_entry, 0, sizeof(struct dev_db_entry));
848
849 mbox_cmd[0] = MBOX_CMD_GET_DATABASE_ENTRY;
850 mbox_cmd[1] = (uint32_t) fw_ddb_index;
851 mbox_cmd[2] = LSDW(fw_ddb_entry_dma);
852 mbox_cmd[3] = MSDW(fw_ddb_entry_dma);
853 mbox_cmd[4] = sizeof(struct dev_db_entry);
854
855 if (qla4xxx_mailbox_command(ha, MBOX_REG_COUNT, 7, &mbox_cmd[0], &mbox_sts[0]) ==
856 QLA_ERROR) {
857 DEBUG2(printk("scsi%ld: %s: MBOX_CMD_GET_DATABASE_ENTRY failed"
858 " with status 0x%04X\n", ha->host_no, __func__,
859 mbox_sts[0]));
860 goto exit_get_fwddb;
861 }
862 if (fw_ddb_index != mbox_sts[1]) {
863 DEBUG2(printk("scsi%ld: %s: ddb mismatch [%d] != [%d].\n",
864 ha->host_no, __func__, fw_ddb_index,
865 mbox_sts[1]));
866 goto exit_get_fwddb;
867 }
868 if (fw_ddb_entry) {
869 options = le16_to_cpu(fw_ddb_entry->options);
870 if (options & DDB_OPT_IPV6_DEVICE) {
871 ql4_printk(KERN_INFO, ha, "%s: DDB[%d] MB0 %04x Tot %d "
872 "Next %d State %04x ConnErr %08x %pI6 "
873 ":%04d \"%s\"\n", __func__, fw_ddb_index,
874 mbox_sts[0], mbox_sts[2], mbox_sts[3],
875 mbox_sts[4], mbox_sts[5],
876 fw_ddb_entry->ip_addr,
877 le16_to_cpu(fw_ddb_entry->port),
878 fw_ddb_entry->iscsi_name);
879 } else {
880 ql4_printk(KERN_INFO, ha, "%s: DDB[%d] MB0 %04x Tot %d "
881 "Next %d State %04x ConnErr %08x %pI4 "
882 ":%04d \"%s\"\n", __func__, fw_ddb_index,
883 mbox_sts[0], mbox_sts[2], mbox_sts[3],
884 mbox_sts[4], mbox_sts[5],
885 fw_ddb_entry->ip_addr,
886 le16_to_cpu(fw_ddb_entry->port),
887 fw_ddb_entry->iscsi_name);
888 }
889 }
890 if (num_valid_ddb_entries)
891 *num_valid_ddb_entries = mbox_sts[2];
892 if (next_ddb_index)
893 *next_ddb_index = mbox_sts[3];
894 if (fw_ddb_device_state)
895 *fw_ddb_device_state = mbox_sts[4];
896
897 /*
898 * RA: This mailbox has been changed to pass connection error and
899 * details. Its true for ISP4010 as per Version E - Not sure when it
900 * was changed. Get the time2wait from the fw_dd_entry field :
901 * default_time2wait which we call it as minTime2Wait DEV_DB_ENTRY
902 * struct.
903 */
904 if (conn_err_detail)
905 *conn_err_detail = mbox_sts[5];
906 if (tcp_source_port_num)
907 *tcp_source_port_num = (uint16_t) (mbox_sts[6] >> 16);
908 if (connection_id)
909 *connection_id = (uint16_t) mbox_sts[6] & 0x00FF;
910 status = QLA_SUCCESS;
911
912 exit_get_fwddb:
913 return status;
914 }
915
916 int qla4xxx_conn_open(struct scsi_qla_host *ha, uint16_t fw_ddb_index)
917 {
918 uint32_t mbox_cmd[MBOX_REG_COUNT];
919 uint32_t mbox_sts[MBOX_REG_COUNT];
920 int status;
921
922 memset(&mbox_cmd, 0, sizeof(mbox_cmd));
923 memset(&mbox_sts, 0, sizeof(mbox_sts));
924
925 mbox_cmd[0] = MBOX_CMD_CONN_OPEN;
926 mbox_cmd[1] = fw_ddb_index;
927
928 status = qla4xxx_mailbox_command(ha, MBOX_REG_COUNT, 2, &mbox_cmd[0],
929 &mbox_sts[0]);
930 DEBUG2(ql4_printk(KERN_INFO, ha,
931 "%s: status = %d mbx0 = 0x%x mbx1 = 0x%x\n",
932 __func__, status, mbox_sts[0], mbox_sts[1]));
933 return status;
934 }
935
936 /**
937 * qla4xxx_set_fwddb_entry - sets a ddb entry.
938 * @ha: Pointer to host adapter structure.
939 * @fw_ddb_index: Firmware's device database index
940 * @fw_ddb_entry_dma: dma address of ddb entry
941 * @mbx_sts: mailbox 0 to be returned or NULL
942 *
943 * This routine initializes or updates the adapter's device database
944 * entry for the specified device.
945 **/
946 int qla4xxx_set_ddb_entry(struct scsi_qla_host * ha, uint16_t fw_ddb_index,
947 dma_addr_t fw_ddb_entry_dma, uint32_t *mbx_sts)
948 {
949 uint32_t mbox_cmd[MBOX_REG_COUNT];
950 uint32_t mbox_sts[MBOX_REG_COUNT];
951 int status;
952
953 /* Do not wait for completion. The firmware will send us an
954 * ASTS_DATABASE_CHANGED (0x8014) to notify us of the login status.
955 */
956 memset(&mbox_cmd, 0, sizeof(mbox_cmd));
957 memset(&mbox_sts, 0, sizeof(mbox_sts));
958
959 mbox_cmd[0] = MBOX_CMD_SET_DATABASE_ENTRY;
960 mbox_cmd[1] = (uint32_t) fw_ddb_index;
961 mbox_cmd[2] = LSDW(fw_ddb_entry_dma);
962 mbox_cmd[3] = MSDW(fw_ddb_entry_dma);
963 mbox_cmd[4] = sizeof(struct dev_db_entry);
964
965 status = qla4xxx_mailbox_command(ha, MBOX_REG_COUNT, 5, &mbox_cmd[0],
966 &mbox_sts[0]);
967 if (mbx_sts)
968 *mbx_sts = mbox_sts[0];
969 DEBUG2(printk("scsi%ld: %s: status=%d mbx0=0x%x mbx4=0x%x\n",
970 ha->host_no, __func__, status, mbox_sts[0], mbox_sts[4]);)
971
972 return status;
973 }
974
975 int qla4xxx_session_logout_ddb(struct scsi_qla_host *ha,
976 struct ddb_entry *ddb_entry, int options)
977 {
978 int status;
979 uint32_t mbox_cmd[MBOX_REG_COUNT];
980 uint32_t mbox_sts[MBOX_REG_COUNT];
981
982 memset(&mbox_cmd, 0, sizeof(mbox_cmd));
983 memset(&mbox_sts, 0, sizeof(mbox_sts));
984
985 mbox_cmd[0] = MBOX_CMD_CONN_CLOSE_SESS_LOGOUT;
986 mbox_cmd[1] = ddb_entry->fw_ddb_index;
987 mbox_cmd[3] = options;
988
989 status = qla4xxx_mailbox_command(ha, MBOX_REG_COUNT, 2, &mbox_cmd[0],
990 &mbox_sts[0]);
991 if (status != QLA_SUCCESS) {
992 DEBUG2(ql4_printk(KERN_INFO, ha,
993 "%s: MBOX_CMD_CONN_CLOSE_SESS_LOGOUT "
994 "failed sts %04X %04X", __func__,
995 mbox_sts[0], mbox_sts[1]));
996 if ((mbox_sts[0] == MBOX_STS_COMMAND_ERROR) &&
997 (mbox_sts[1] == DDB_NOT_LOGGED_IN)) {
998 set_bit(DDB_CONN_CLOSE_FAILURE, &ddb_entry->flags);
999 }
1000 }
1001
1002 return status;
1003 }
1004
1005 /**
1006 * qla4xxx_get_crash_record - retrieves crash record.
1007 * @ha: Pointer to host adapter structure.
1008 *
1009 * This routine retrieves a crash record from the QLA4010 after an 8002h aen.
1010 **/
1011 void qla4xxx_get_crash_record(struct scsi_qla_host * ha)
1012 {
1013 uint32_t mbox_cmd[MBOX_REG_COUNT];
1014 uint32_t mbox_sts[MBOX_REG_COUNT];
1015 struct crash_record *crash_record = NULL;
1016 dma_addr_t crash_record_dma = 0;
1017 uint32_t crash_record_size = 0;
1018
1019 memset(&mbox_cmd, 0, sizeof(mbox_cmd));
1020 memset(&mbox_sts, 0, sizeof(mbox_cmd));
1021
1022 /* Get size of crash record. */
1023 mbox_cmd[0] = MBOX_CMD_GET_CRASH_RECORD;
1024
1025 if (qla4xxx_mailbox_command(ha, MBOX_REG_COUNT, 5, &mbox_cmd[0], &mbox_sts[0]) !=
1026 QLA_SUCCESS) {
1027 DEBUG2(printk("scsi%ld: %s: ERROR: Unable to retrieve size!\n",
1028 ha->host_no, __func__));
1029 goto exit_get_crash_record;
1030 }
1031 crash_record_size = mbox_sts[4];
1032 if (crash_record_size == 0) {
1033 DEBUG2(printk("scsi%ld: %s: ERROR: Crash record size is 0!\n",
1034 ha->host_no, __func__));
1035 goto exit_get_crash_record;
1036 }
1037
1038 /* Alloc Memory for Crash Record. */
1039 crash_record = dma_alloc_coherent(&ha->pdev->dev, crash_record_size,
1040 &crash_record_dma, GFP_KERNEL);
1041 if (crash_record == NULL)
1042 goto exit_get_crash_record;
1043
1044 /* Get Crash Record. */
1045 memset(&mbox_cmd, 0, sizeof(mbox_cmd));
1046 memset(&mbox_sts, 0, sizeof(mbox_cmd));
1047
1048 mbox_cmd[0] = MBOX_CMD_GET_CRASH_RECORD;
1049 mbox_cmd[2] = LSDW(crash_record_dma);
1050 mbox_cmd[3] = MSDW(crash_record_dma);
1051 mbox_cmd[4] = crash_record_size;
1052
1053 if (qla4xxx_mailbox_command(ha, MBOX_REG_COUNT, 5, &mbox_cmd[0], &mbox_sts[0]) !=
1054 QLA_SUCCESS)
1055 goto exit_get_crash_record;
1056
1057 /* Dump Crash Record. */
1058
1059 exit_get_crash_record:
1060 if (crash_record)
1061 dma_free_coherent(&ha->pdev->dev, crash_record_size,
1062 crash_record, crash_record_dma);
1063 }
1064
1065 /**
1066 * qla4xxx_get_conn_event_log - retrieves connection event log
1067 * @ha: Pointer to host adapter structure.
1068 **/
1069 void qla4xxx_get_conn_event_log(struct scsi_qla_host * ha)
1070 {
1071 uint32_t mbox_cmd[MBOX_REG_COUNT];
1072 uint32_t mbox_sts[MBOX_REG_COUNT];
1073 struct conn_event_log_entry *event_log = NULL;
1074 dma_addr_t event_log_dma = 0;
1075 uint32_t event_log_size = 0;
1076 uint32_t num_valid_entries;
1077 uint32_t oldest_entry = 0;
1078 uint32_t max_event_log_entries;
1079 uint8_t i;
1080
1081 memset(&mbox_cmd, 0, sizeof(mbox_cmd));
1082 memset(&mbox_sts, 0, sizeof(mbox_cmd));
1083
1084 /* Get size of crash record. */
1085 mbox_cmd[0] = MBOX_CMD_GET_CONN_EVENT_LOG;
1086
1087 if (qla4xxx_mailbox_command(ha, MBOX_REG_COUNT, 5, &mbox_cmd[0], &mbox_sts[0]) !=
1088 QLA_SUCCESS)
1089 goto exit_get_event_log;
1090
1091 event_log_size = mbox_sts[4];
1092 if (event_log_size == 0)
1093 goto exit_get_event_log;
1094
1095 /* Alloc Memory for Crash Record. */
1096 event_log = dma_alloc_coherent(&ha->pdev->dev, event_log_size,
1097 &event_log_dma, GFP_KERNEL);
1098 if (event_log == NULL)
1099 goto exit_get_event_log;
1100
1101 /* Get Crash Record. */
1102 memset(&mbox_cmd, 0, sizeof(mbox_cmd));
1103 memset(&mbox_sts, 0, sizeof(mbox_cmd));
1104
1105 mbox_cmd[0] = MBOX_CMD_GET_CONN_EVENT_LOG;
1106 mbox_cmd[2] = LSDW(event_log_dma);
1107 mbox_cmd[3] = MSDW(event_log_dma);
1108
1109 if (qla4xxx_mailbox_command(ha, MBOX_REG_COUNT, 5, &mbox_cmd[0], &mbox_sts[0]) !=
1110 QLA_SUCCESS) {
1111 DEBUG2(printk("scsi%ld: %s: ERROR: Unable to retrieve event "
1112 "log!\n", ha->host_no, __func__));
1113 goto exit_get_event_log;
1114 }
1115
1116 /* Dump Event Log. */
1117 num_valid_entries = mbox_sts[1];
1118
1119 max_event_log_entries = event_log_size /
1120 sizeof(struct conn_event_log_entry);
1121
1122 if (num_valid_entries > max_event_log_entries)
1123 oldest_entry = num_valid_entries % max_event_log_entries;
1124
1125 DEBUG3(printk("scsi%ld: Connection Event Log Dump (%d entries):\n",
1126 ha->host_no, num_valid_entries));
1127
1128 if (ql4xextended_error_logging == 3) {
1129 if (oldest_entry == 0) {
1130 /* Circular Buffer has not wrapped around */
1131 for (i=0; i < num_valid_entries; i++) {
1132 qla4xxx_dump_buffer((uint8_t *)event_log+
1133 (i*sizeof(*event_log)),
1134 sizeof(*event_log));
1135 }
1136 }
1137 else {
1138 /* Circular Buffer has wrapped around -
1139 * display accordingly*/
1140 for (i=oldest_entry; i < max_event_log_entries; i++) {
1141 qla4xxx_dump_buffer((uint8_t *)event_log+
1142 (i*sizeof(*event_log)),
1143 sizeof(*event_log));
1144 }
1145 for (i=0; i < oldest_entry; i++) {
1146 qla4xxx_dump_buffer((uint8_t *)event_log+
1147 (i*sizeof(*event_log)),
1148 sizeof(*event_log));
1149 }
1150 }
1151 }
1152
1153 exit_get_event_log:
1154 if (event_log)
1155 dma_free_coherent(&ha->pdev->dev, event_log_size, event_log,
1156 event_log_dma);
1157 }
1158
1159 /**
1160 * qla4xxx_abort_task - issues Abort Task
1161 * @ha: Pointer to host adapter structure.
1162 * @srb: Pointer to srb entry
1163 *
1164 * This routine performs a LUN RESET on the specified target/lun.
1165 * The caller must ensure that the ddb_entry and lun_entry pointers
1166 * are valid before calling this routine.
1167 **/
1168 int qla4xxx_abort_task(struct scsi_qla_host *ha, struct srb *srb)
1169 {
1170 uint32_t mbox_cmd[MBOX_REG_COUNT];
1171 uint32_t mbox_sts[MBOX_REG_COUNT];
1172 struct scsi_cmnd *cmd = srb->cmd;
1173 int status = QLA_SUCCESS;
1174 unsigned long flags = 0;
1175 uint32_t index;
1176
1177 /*
1178 * Send abort task command to ISP, so that the ISP will return
1179 * request with ABORT status
1180 */
1181 memset(&mbox_cmd, 0, sizeof(mbox_cmd));
1182 memset(&mbox_sts, 0, sizeof(mbox_sts));
1183
1184 spin_lock_irqsave(&ha->hardware_lock, flags);
1185 index = (unsigned long)(unsigned char *)cmd->host_scribble;
1186 spin_unlock_irqrestore(&ha->hardware_lock, flags);
1187
1188 /* Firmware already posted completion on response queue */
1189 if (index == MAX_SRBS)
1190 return status;
1191
1192 mbox_cmd[0] = MBOX_CMD_ABORT_TASK;
1193 mbox_cmd[1] = srb->ddb->fw_ddb_index;
1194 mbox_cmd[2] = index;
1195 /* Immediate Command Enable */
1196 mbox_cmd[5] = 0x01;
1197
1198 qla4xxx_mailbox_command(ha, MBOX_REG_COUNT, 5, &mbox_cmd[0],
1199 &mbox_sts[0]);
1200 if (mbox_sts[0] != MBOX_STS_COMMAND_COMPLETE) {
1201 status = QLA_ERROR;
1202
1203 DEBUG2(printk(KERN_WARNING "scsi%ld:%d:%llu: abort task FAILED: "
1204 "mbx0=%04X, mb1=%04X, mb2=%04X, mb3=%04X, mb4=%04X\n",
1205 ha->host_no, cmd->device->id, cmd->device->lun, mbox_sts[0],
1206 mbox_sts[1], mbox_sts[2], mbox_sts[3], mbox_sts[4]));
1207 }
1208
1209 return status;
1210 }
1211
1212 /**
1213 * qla4xxx_reset_lun - issues LUN Reset
1214 * @ha: Pointer to host adapter structure.
1215 * @ddb_entry: Pointer to device database entry
1216 * @lun: lun number
1217 *
1218 * This routine performs a LUN RESET on the specified target/lun.
1219 * The caller must ensure that the ddb_entry and lun_entry pointers
1220 * are valid before calling this routine.
1221 **/
1222 int qla4xxx_reset_lun(struct scsi_qla_host * ha, struct ddb_entry * ddb_entry,
1223 uint64_t lun)
1224 {
1225 uint32_t mbox_cmd[MBOX_REG_COUNT];
1226 uint32_t mbox_sts[MBOX_REG_COUNT];
1227 uint32_t scsi_lun[2];
1228 int status = QLA_SUCCESS;
1229
1230 DEBUG2(printk("scsi%ld:%d:%llu: lun reset issued\n", ha->host_no,
1231 ddb_entry->fw_ddb_index, lun));
1232
1233 /*
1234 * Send lun reset command to ISP, so that the ISP will return all
1235 * outstanding requests with RESET status
1236 */
1237 memset(&mbox_cmd, 0, sizeof(mbox_cmd));
1238 memset(&mbox_sts, 0, sizeof(mbox_sts));
1239 int_to_scsilun(lun, (struct scsi_lun *) scsi_lun);
1240
1241 mbox_cmd[0] = MBOX_CMD_LUN_RESET;
1242 mbox_cmd[1] = ddb_entry->fw_ddb_index;
1243 /* FW expects LUN bytes 0-3 in Incoming Mailbox 2
1244 * (LUN byte 0 is LSByte, byte 3 is MSByte) */
1245 mbox_cmd[2] = cpu_to_le32(scsi_lun[0]);
1246 /* FW expects LUN bytes 4-7 in Incoming Mailbox 3
1247 * (LUN byte 4 is LSByte, byte 7 is MSByte) */
1248 mbox_cmd[3] = cpu_to_le32(scsi_lun[1]);
1249 mbox_cmd[5] = 0x01; /* Immediate Command Enable */
1250
1251 qla4xxx_mailbox_command(ha, MBOX_REG_COUNT, 1, &mbox_cmd[0], &mbox_sts[0]);
1252 if (mbox_sts[0] != MBOX_STS_COMMAND_COMPLETE &&
1253 mbox_sts[0] != MBOX_STS_COMMAND_ERROR)
1254 status = QLA_ERROR;
1255
1256 return status;
1257 }
1258
1259 /**
1260 * qla4xxx_reset_target - issues target Reset
1261 * @ha: Pointer to host adapter structure.
1262 * @db_entry: Pointer to device database entry
1263 * @un_entry: Pointer to lun entry structure
1264 *
1265 * This routine performs a TARGET RESET on the specified target.
1266 * The caller must ensure that the ddb_entry pointers
1267 * are valid before calling this routine.
1268 **/
1269 int qla4xxx_reset_target(struct scsi_qla_host *ha,
1270 struct ddb_entry *ddb_entry)
1271 {
1272 uint32_t mbox_cmd[MBOX_REG_COUNT];
1273 uint32_t mbox_sts[MBOX_REG_COUNT];
1274 int status = QLA_SUCCESS;
1275
1276 DEBUG2(printk("scsi%ld:%d: target reset issued\n", ha->host_no,
1277 ddb_entry->fw_ddb_index));
1278
1279 /*
1280 * Send target reset command to ISP, so that the ISP will return all
1281 * outstanding requests with RESET status
1282 */
1283 memset(&mbox_cmd, 0, sizeof(mbox_cmd));
1284 memset(&mbox_sts, 0, sizeof(mbox_sts));
1285
1286 mbox_cmd[0] = MBOX_CMD_TARGET_WARM_RESET;
1287 mbox_cmd[1] = ddb_entry->fw_ddb_index;
1288 mbox_cmd[5] = 0x01; /* Immediate Command Enable */
1289
1290 qla4xxx_mailbox_command(ha, MBOX_REG_COUNT, 1, &mbox_cmd[0],
1291 &mbox_sts[0]);
1292 if (mbox_sts[0] != MBOX_STS_COMMAND_COMPLETE &&
1293 mbox_sts[0] != MBOX_STS_COMMAND_ERROR)
1294 status = QLA_ERROR;
1295
1296 return status;
1297 }
1298
1299 int qla4xxx_get_flash(struct scsi_qla_host * ha, dma_addr_t dma_addr,
1300 uint32_t offset, uint32_t len)
1301 {
1302 uint32_t mbox_cmd[MBOX_REG_COUNT];
1303 uint32_t mbox_sts[MBOX_REG_COUNT];
1304
1305 memset(&mbox_cmd, 0, sizeof(mbox_cmd));
1306 memset(&mbox_sts, 0, sizeof(mbox_sts));
1307
1308 mbox_cmd[0] = MBOX_CMD_READ_FLASH;
1309 mbox_cmd[1] = LSDW(dma_addr);
1310 mbox_cmd[2] = MSDW(dma_addr);
1311 mbox_cmd[3] = offset;
1312 mbox_cmd[4] = len;
1313
1314 if (qla4xxx_mailbox_command(ha, MBOX_REG_COUNT, 2, &mbox_cmd[0], &mbox_sts[0]) !=
1315 QLA_SUCCESS) {
1316 DEBUG2(printk("scsi%ld: %s: MBOX_CMD_READ_FLASH, failed w/ "
1317 "status %04X %04X, offset %08x, len %08x\n", ha->host_no,
1318 __func__, mbox_sts[0], mbox_sts[1], offset, len));
1319 return QLA_ERROR;
1320 }
1321 return QLA_SUCCESS;
1322 }
1323
1324 /**
1325 * qla4xxx_about_firmware - gets FW, iscsi draft and boot loader version
1326 * @ha: Pointer to host adapter structure.
1327 *
1328 * Retrieves the FW version, iSCSI draft version & bootloader version of HBA.
1329 * Mailboxes 2 & 3 may hold an address for data. Make sure that we write 0 to
1330 * those mailboxes, if unused.
1331 **/
1332 int qla4xxx_about_firmware(struct scsi_qla_host *ha)
1333 {
1334 struct about_fw_info *about_fw = NULL;
1335 dma_addr_t about_fw_dma;
1336 uint32_t mbox_cmd[MBOX_REG_COUNT];
1337 uint32_t mbox_sts[MBOX_REG_COUNT];
1338 int status = QLA_ERROR;
1339
1340 about_fw = dma_alloc_coherent(&ha->pdev->dev,
1341 sizeof(struct about_fw_info),
1342 &about_fw_dma, GFP_KERNEL);
1343 if (!about_fw) {
1344 DEBUG2(ql4_printk(KERN_ERR, ha, "%s: Unable to alloc memory "
1345 "for about_fw\n", __func__));
1346 return status;
1347 }
1348
1349 memset(&mbox_cmd, 0, sizeof(mbox_cmd));
1350 memset(&mbox_sts, 0, sizeof(mbox_sts));
1351
1352 mbox_cmd[0] = MBOX_CMD_ABOUT_FW;
1353 mbox_cmd[2] = LSDW(about_fw_dma);
1354 mbox_cmd[3] = MSDW(about_fw_dma);
1355 mbox_cmd[4] = sizeof(struct about_fw_info);
1356
1357 status = qla4xxx_mailbox_command(ha, MBOX_REG_COUNT, MBOX_REG_COUNT,
1358 &mbox_cmd[0], &mbox_sts[0]);
1359 if (status != QLA_SUCCESS) {
1360 DEBUG2(ql4_printk(KERN_WARNING, ha, "%s: MBOX_CMD_ABOUT_FW "
1361 "failed w/ status %04X\n", __func__,
1362 mbox_sts[0]));
1363 goto exit_about_fw;
1364 }
1365
1366 /* Save version information. */
1367 ha->fw_info.fw_major = le16_to_cpu(about_fw->fw_major);
1368 ha->fw_info.fw_minor = le16_to_cpu(about_fw->fw_minor);
1369 ha->fw_info.fw_patch = le16_to_cpu(about_fw->fw_patch);
1370 ha->fw_info.fw_build = le16_to_cpu(about_fw->fw_build);
1371 memcpy(ha->fw_info.fw_build_date, about_fw->fw_build_date,
1372 sizeof(about_fw->fw_build_date));
1373 memcpy(ha->fw_info.fw_build_time, about_fw->fw_build_time,
1374 sizeof(about_fw->fw_build_time));
1375 strcpy((char *)ha->fw_info.fw_build_user,
1376 skip_spaces((char *)about_fw->fw_build_user));
1377 ha->fw_info.fw_load_source = le16_to_cpu(about_fw->fw_load_source);
1378 ha->fw_info.iscsi_major = le16_to_cpu(about_fw->iscsi_major);
1379 ha->fw_info.iscsi_minor = le16_to_cpu(about_fw->iscsi_minor);
1380 ha->fw_info.bootload_major = le16_to_cpu(about_fw->bootload_major);
1381 ha->fw_info.bootload_minor = le16_to_cpu(about_fw->bootload_minor);
1382 ha->fw_info.bootload_patch = le16_to_cpu(about_fw->bootload_patch);
1383 ha->fw_info.bootload_build = le16_to_cpu(about_fw->bootload_build);
1384 strcpy((char *)ha->fw_info.extended_timestamp,
1385 skip_spaces((char *)about_fw->extended_timestamp));
1386
1387 ha->fw_uptime_secs = le32_to_cpu(mbox_sts[5]);
1388 ha->fw_uptime_msecs = le32_to_cpu(mbox_sts[6]);
1389 status = QLA_SUCCESS;
1390
1391 exit_about_fw:
1392 dma_free_coherent(&ha->pdev->dev, sizeof(struct about_fw_info),
1393 about_fw, about_fw_dma);
1394 return status;
1395 }
1396
1397 int qla4xxx_get_default_ddb(struct scsi_qla_host *ha, uint32_t options,
1398 dma_addr_t dma_addr)
1399 {
1400 uint32_t mbox_cmd[MBOX_REG_COUNT];
1401 uint32_t mbox_sts[MBOX_REG_COUNT];
1402
1403 memset(&mbox_cmd, 0, sizeof(mbox_cmd));
1404 memset(&mbox_sts, 0, sizeof(mbox_sts));
1405
1406 mbox_cmd[0] = MBOX_CMD_GET_DATABASE_ENTRY_DEFAULTS;
1407 mbox_cmd[1] = options;
1408 mbox_cmd[2] = LSDW(dma_addr);
1409 mbox_cmd[3] = MSDW(dma_addr);
1410
1411 if (qla4xxx_mailbox_command(ha, MBOX_REG_COUNT, 1, &mbox_cmd[0], &mbox_sts[0]) !=
1412 QLA_SUCCESS) {
1413 DEBUG2(printk("scsi%ld: %s: failed status %04X\n",
1414 ha->host_no, __func__, mbox_sts[0]));
1415 return QLA_ERROR;
1416 }
1417 return QLA_SUCCESS;
1418 }
1419
1420 int qla4xxx_req_ddb_entry(struct scsi_qla_host *ha, uint32_t ddb_index,
1421 uint32_t *mbx_sts)
1422 {
1423 int status;
1424 uint32_t mbox_cmd[MBOX_REG_COUNT];
1425 uint32_t mbox_sts[MBOX_REG_COUNT];
1426
1427 memset(&mbox_cmd, 0, sizeof(mbox_cmd));
1428 memset(&mbox_sts, 0, sizeof(mbox_sts));
1429
1430 mbox_cmd[0] = MBOX_CMD_REQUEST_DATABASE_ENTRY;
1431 mbox_cmd[1] = ddb_index;
1432
1433 status = qla4xxx_mailbox_command(ha, MBOX_REG_COUNT, 1, &mbox_cmd[0],
1434 &mbox_sts[0]);
1435 if (status != QLA_SUCCESS) {
1436 DEBUG2(ql4_printk(KERN_ERR, ha, "%s: failed status %04X\n",
1437 __func__, mbox_sts[0]));
1438 }
1439
1440 *mbx_sts = mbox_sts[0];
1441 return status;
1442 }
1443
1444 int qla4xxx_clear_ddb_entry(struct scsi_qla_host *ha, uint32_t ddb_index)
1445 {
1446 int status;
1447 uint32_t mbox_cmd[MBOX_REG_COUNT];
1448 uint32_t mbox_sts[MBOX_REG_COUNT];
1449
1450 memset(&mbox_cmd, 0, sizeof(mbox_cmd));
1451 memset(&mbox_sts, 0, sizeof(mbox_sts));
1452
1453 mbox_cmd[0] = MBOX_CMD_CLEAR_DATABASE_ENTRY;
1454 mbox_cmd[1] = ddb_index;
1455
1456 status = qla4xxx_mailbox_command(ha, 2, 1, &mbox_cmd[0],
1457 &mbox_sts[0]);
1458 if (status != QLA_SUCCESS) {
1459 DEBUG2(ql4_printk(KERN_ERR, ha, "%s: failed status %04X\n",
1460 __func__, mbox_sts[0]));
1461 }
1462
1463 return status;
1464 }
1465
1466 int qla4xxx_set_flash(struct scsi_qla_host *ha, dma_addr_t dma_addr,
1467 uint32_t offset, uint32_t length, uint32_t options)
1468 {
1469 uint32_t mbox_cmd[MBOX_REG_COUNT];
1470 uint32_t mbox_sts[MBOX_REG_COUNT];
1471 int status = QLA_SUCCESS;
1472
1473 memset(&mbox_cmd, 0, sizeof(mbox_cmd));
1474 memset(&mbox_sts, 0, sizeof(mbox_sts));
1475
1476 mbox_cmd[0] = MBOX_CMD_WRITE_FLASH;
1477 mbox_cmd[1] = LSDW(dma_addr);
1478 mbox_cmd[2] = MSDW(dma_addr);
1479 mbox_cmd[3] = offset;
1480 mbox_cmd[4] = length;
1481 mbox_cmd[5] = options;
1482
1483 status = qla4xxx_mailbox_command(ha, 6, 2, &mbox_cmd[0], &mbox_sts[0]);
1484 if (status != QLA_SUCCESS) {
1485 DEBUG2(ql4_printk(KERN_WARNING, ha, "%s: MBOX_CMD_WRITE_FLASH "
1486 "failed w/ status %04X, mbx1 %04X\n",
1487 __func__, mbox_sts[0], mbox_sts[1]));
1488 }
1489 return status;
1490 }
1491
1492 int qla4xxx_bootdb_by_index(struct scsi_qla_host *ha,
1493 struct dev_db_entry *fw_ddb_entry,
1494 dma_addr_t fw_ddb_entry_dma, uint16_t ddb_index)
1495 {
1496 uint32_t dev_db_start_offset = FLASH_OFFSET_DB_INFO;
1497 uint32_t dev_db_end_offset;
1498 int status = QLA_ERROR;
1499
1500 memset(fw_ddb_entry, 0, sizeof(*fw_ddb_entry));
1501
1502 dev_db_start_offset += (ddb_index * sizeof(*fw_ddb_entry));
1503 dev_db_end_offset = FLASH_OFFSET_DB_END;
1504
1505 if (dev_db_start_offset > dev_db_end_offset) {
1506 DEBUG2(ql4_printk(KERN_ERR, ha,
1507 "%s:Invalid DDB index %d", __func__,
1508 ddb_index));
1509 goto exit_bootdb_failed;
1510 }
1511
1512 if (qla4xxx_get_flash(ha, fw_ddb_entry_dma, dev_db_start_offset,
1513 sizeof(*fw_ddb_entry)) != QLA_SUCCESS) {
1514 ql4_printk(KERN_ERR, ha, "scsi%ld: %s: Get Flash"
1515 "failed\n", ha->host_no, __func__);
1516 goto exit_bootdb_failed;
1517 }
1518
1519 if (fw_ddb_entry->cookie == DDB_VALID_COOKIE)
1520 status = QLA_SUCCESS;
1521
1522 exit_bootdb_failed:
1523 return status;
1524 }
1525
1526 int qla4xxx_flashdb_by_index(struct scsi_qla_host *ha,
1527 struct dev_db_entry *fw_ddb_entry,
1528 dma_addr_t fw_ddb_entry_dma, uint16_t ddb_index)
1529 {
1530 uint32_t dev_db_start_offset;
1531 uint32_t dev_db_end_offset;
1532 int status = QLA_ERROR;
1533
1534 memset(fw_ddb_entry, 0, sizeof(*fw_ddb_entry));
1535
1536 if (is_qla40XX(ha)) {
1537 dev_db_start_offset = FLASH_OFFSET_DB_INFO;
1538 dev_db_end_offset = FLASH_OFFSET_DB_END;
1539 } else {
1540 dev_db_start_offset = FLASH_RAW_ACCESS_ADDR +
1541 (ha->hw.flt_region_ddb << 2);
1542 /* flt_ddb_size is DDB table size for both ports
1543 * so divide it by 2 to calculate the offset for second port
1544 */
1545 if (ha->port_num == 1)
1546 dev_db_start_offset += (ha->hw.flt_ddb_size / 2);
1547
1548 dev_db_end_offset = dev_db_start_offset +
1549 (ha->hw.flt_ddb_size / 2);
1550 }
1551
1552 dev_db_start_offset += (ddb_index * sizeof(*fw_ddb_entry));
1553
1554 if (dev_db_start_offset > dev_db_end_offset) {
1555 DEBUG2(ql4_printk(KERN_ERR, ha,
1556 "%s:Invalid DDB index %d", __func__,
1557 ddb_index));
1558 goto exit_fdb_failed;
1559 }
1560
1561 if (qla4xxx_get_flash(ha, fw_ddb_entry_dma, dev_db_start_offset,
1562 sizeof(*fw_ddb_entry)) != QLA_SUCCESS) {
1563 ql4_printk(KERN_ERR, ha, "scsi%ld: %s: Get Flash failed\n",
1564 ha->host_no, __func__);
1565 goto exit_fdb_failed;
1566 }
1567
1568 if (fw_ddb_entry->cookie == DDB_VALID_COOKIE)
1569 status = QLA_SUCCESS;
1570
1571 exit_fdb_failed:
1572 return status;
1573 }
1574
1575 int qla4xxx_get_chap(struct scsi_qla_host *ha, char *username, char *password,
1576 uint16_t idx)
1577 {
1578 int ret = 0;
1579 int rval = QLA_ERROR;
1580 uint32_t offset = 0, chap_size;
1581 struct ql4_chap_table *chap_table;
1582 dma_addr_t chap_dma;
1583
1584 chap_table = dma_pool_zalloc(ha->chap_dma_pool, GFP_KERNEL, &chap_dma);
1585 if (chap_table == NULL)
1586 return -ENOMEM;
1587
1588 chap_size = sizeof(struct ql4_chap_table);
1589
1590 if (is_qla40XX(ha))
1591 offset = FLASH_CHAP_OFFSET | (idx * chap_size);
1592 else {
1593 offset = FLASH_RAW_ACCESS_ADDR + (ha->hw.flt_region_chap << 2);
1594 /* flt_chap_size is CHAP table size for both ports
1595 * so divide it by 2 to calculate the offset for second port
1596 */
1597 if (ha->port_num == 1)
1598 offset += (ha->hw.flt_chap_size / 2);
1599 offset += (idx * chap_size);
1600 }
1601
1602 rval = qla4xxx_get_flash(ha, chap_dma, offset, chap_size);
1603 if (rval != QLA_SUCCESS) {
1604 ret = -EINVAL;
1605 goto exit_get_chap;
1606 }
1607
1608 DEBUG2(ql4_printk(KERN_INFO, ha, "Chap Cookie: x%x\n",
1609 __le16_to_cpu(chap_table->cookie)));
1610
1611 if (__le16_to_cpu(chap_table->cookie) != CHAP_VALID_COOKIE) {
1612 ql4_printk(KERN_ERR, ha, "No valid chap entry found\n");
1613 goto exit_get_chap;
1614 }
1615
1616 strlcpy(password, chap_table->secret, QL4_CHAP_MAX_SECRET_LEN);
1617 strlcpy(username, chap_table->name, QL4_CHAP_MAX_NAME_LEN);
1618 chap_table->cookie = __constant_cpu_to_le16(CHAP_VALID_COOKIE);
1619
1620 exit_get_chap:
1621 dma_pool_free(ha->chap_dma_pool, chap_table, chap_dma);
1622 return ret;
1623 }
1624
1625 /**
1626 * qla4xxx_set_chap - Make a chap entry at the given index
1627 * @ha: pointer to adapter structure
1628 * @username: CHAP username to set
1629 * @password: CHAP password to set
1630 * @idx: CHAP index at which to make the entry
1631 * @bidi: type of chap entry (chap_in or chap_out)
1632 *
1633 * Create chap entry at the given index with the information provided.
1634 *
1635 * Note: Caller should acquire the chap lock before getting here.
1636 **/
1637 int qla4xxx_set_chap(struct scsi_qla_host *ha, char *username, char *password,
1638 uint16_t idx, int bidi)
1639 {
1640 int ret = 0;
1641 int rval = QLA_ERROR;
1642 uint32_t offset = 0;
1643 struct ql4_chap_table *chap_table;
1644 uint32_t chap_size = 0;
1645 dma_addr_t chap_dma;
1646
1647 chap_table = dma_pool_zalloc(ha->chap_dma_pool, GFP_KERNEL, &chap_dma);
1648 if (chap_table == NULL) {
1649 ret = -ENOMEM;
1650 goto exit_set_chap;
1651 }
1652
1653 if (bidi)
1654 chap_table->flags |= BIT_6; /* peer */
1655 else
1656 chap_table->flags |= BIT_7; /* local */
1657 chap_table->secret_len = strlen(password);
1658 strncpy(chap_table->secret, password, MAX_CHAP_SECRET_LEN - 1);
1659 strncpy(chap_table->name, username, MAX_CHAP_NAME_LEN - 1);
1660 chap_table->cookie = __constant_cpu_to_le16(CHAP_VALID_COOKIE);
1661
1662 if (is_qla40XX(ha)) {
1663 chap_size = MAX_CHAP_ENTRIES_40XX * sizeof(*chap_table);
1664 offset = FLASH_CHAP_OFFSET;
1665 } else { /* Single region contains CHAP info for both ports which is
1666 * divided into half for each port.
1667 */
1668 chap_size = ha->hw.flt_chap_size / 2;
1669 offset = FLASH_RAW_ACCESS_ADDR + (ha->hw.flt_region_chap << 2);
1670 if (ha->port_num == 1)
1671 offset += chap_size;
1672 }
1673
1674 offset += (idx * sizeof(struct ql4_chap_table));
1675 rval = qla4xxx_set_flash(ha, chap_dma, offset,
1676 sizeof(struct ql4_chap_table),
1677 FLASH_OPT_RMW_COMMIT);
1678
1679 if (rval == QLA_SUCCESS && ha->chap_list) {
1680 /* Update ha chap_list cache */
1681 memcpy((struct ql4_chap_table *)ha->chap_list + idx,
1682 chap_table, sizeof(struct ql4_chap_table));
1683 }
1684 dma_pool_free(ha->chap_dma_pool, chap_table, chap_dma);
1685 if (rval != QLA_SUCCESS)
1686 ret = -EINVAL;
1687
1688 exit_set_chap:
1689 return ret;
1690 }
1691
1692
1693 int qla4xxx_get_uni_chap_at_index(struct scsi_qla_host *ha, char *username,
1694 char *password, uint16_t chap_index)
1695 {
1696 int rval = QLA_ERROR;
1697 struct ql4_chap_table *chap_table = NULL;
1698 int max_chap_entries;
1699
1700 if (!ha->chap_list) {
1701 ql4_printk(KERN_ERR, ha, "Do not have CHAP table cache\n");
1702 rval = QLA_ERROR;
1703 goto exit_uni_chap;
1704 }
1705
1706 if (!username || !password) {
1707 ql4_printk(KERN_ERR, ha, "No memory for username & secret\n");
1708 rval = QLA_ERROR;
1709 goto exit_uni_chap;
1710 }
1711
1712 if (is_qla80XX(ha))
1713 max_chap_entries = (ha->hw.flt_chap_size / 2) /
1714 sizeof(struct ql4_chap_table);
1715 else
1716 max_chap_entries = MAX_CHAP_ENTRIES_40XX;
1717
1718 if (chap_index > max_chap_entries) {
1719 ql4_printk(KERN_ERR, ha, "Invalid Chap index\n");
1720 rval = QLA_ERROR;
1721 goto exit_uni_chap;
1722 }
1723
1724 mutex_lock(&ha->chap_sem);
1725 chap_table = (struct ql4_chap_table *)ha->chap_list + chap_index;
1726 if (chap_table->cookie != __constant_cpu_to_le16(CHAP_VALID_COOKIE)) {
1727 rval = QLA_ERROR;
1728 goto exit_unlock_uni_chap;
1729 }
1730
1731 if (!(chap_table->flags & BIT_7)) {
1732 ql4_printk(KERN_ERR, ha, "Unidirectional entry not set\n");
1733 rval = QLA_ERROR;
1734 goto exit_unlock_uni_chap;
1735 }
1736
1737 strlcpy(password, chap_table->secret, MAX_CHAP_SECRET_LEN);
1738 strlcpy(username, chap_table->name, MAX_CHAP_NAME_LEN);
1739
1740 rval = QLA_SUCCESS;
1741
1742 exit_unlock_uni_chap:
1743 mutex_unlock(&ha->chap_sem);
1744 exit_uni_chap:
1745 return rval;
1746 }
1747
1748 /**
1749 * qla4xxx_get_chap_index - Get chap index given username and secret
1750 * @ha: pointer to adapter structure
1751 * @username: CHAP username to be searched
1752 * @password: CHAP password to be searched
1753 * @bidi: Is this a BIDI CHAP
1754 * @chap_index: CHAP index to be returned
1755 *
1756 * Match the username and password in the chap_list, return the index if a
1757 * match is found. If a match is not found then add the entry in FLASH and
1758 * return the index at which entry is written in the FLASH.
1759 **/
1760 int qla4xxx_get_chap_index(struct scsi_qla_host *ha, char *username,
1761 char *password, int bidi, uint16_t *chap_index)
1762 {
1763 int i, rval;
1764 int free_index = -1;
1765 int found_index = 0;
1766 int max_chap_entries = 0;
1767 struct ql4_chap_table *chap_table;
1768
1769 if (is_qla80XX(ha))
1770 max_chap_entries = (ha->hw.flt_chap_size / 2) /
1771 sizeof(struct ql4_chap_table);
1772 else
1773 max_chap_entries = MAX_CHAP_ENTRIES_40XX;
1774
1775 if (!ha->chap_list) {
1776 ql4_printk(KERN_ERR, ha, "Do not have CHAP table cache\n");
1777 return QLA_ERROR;
1778 }
1779
1780 if (!username || !password) {
1781 ql4_printk(KERN_ERR, ha, "Do not have username and psw\n");
1782 return QLA_ERROR;
1783 }
1784
1785 mutex_lock(&ha->chap_sem);
1786 for (i = 0; i < max_chap_entries; i++) {
1787 chap_table = (struct ql4_chap_table *)ha->chap_list + i;
1788 if (chap_table->cookie !=
1789 __constant_cpu_to_le16(CHAP_VALID_COOKIE)) {
1790 if (i > MAX_RESRV_CHAP_IDX && free_index == -1)
1791 free_index = i;
1792 continue;
1793 }
1794 if (bidi) {
1795 if (chap_table->flags & BIT_7)
1796 continue;
1797 } else {
1798 if (chap_table->flags & BIT_6)
1799 continue;
1800 }
1801 if (!strncmp(chap_table->secret, password,
1802 MAX_CHAP_SECRET_LEN) &&
1803 !strncmp(chap_table->name, username,
1804 MAX_CHAP_NAME_LEN)) {
1805 *chap_index = i;
1806 found_index = 1;
1807 break;
1808 }
1809 }
1810
1811 /* If chap entry is not present and a free index is available then
1812 * write the entry in flash
1813 */
1814 if (!found_index && free_index != -1) {
1815 rval = qla4xxx_set_chap(ha, username, password,
1816 free_index, bidi);
1817 if (!rval) {
1818 *chap_index = free_index;
1819 found_index = 1;
1820 }
1821 }
1822
1823 mutex_unlock(&ha->chap_sem);
1824
1825 if (found_index)
1826 return QLA_SUCCESS;
1827 return QLA_ERROR;
1828 }
1829
1830 int qla4xxx_conn_close_sess_logout(struct scsi_qla_host *ha,
1831 uint16_t fw_ddb_index,
1832 uint16_t connection_id,
1833 uint16_t option)
1834 {
1835 uint32_t mbox_cmd[MBOX_REG_COUNT];
1836 uint32_t mbox_sts[MBOX_REG_COUNT];
1837 int status = QLA_SUCCESS;
1838
1839 memset(&mbox_cmd, 0, sizeof(mbox_cmd));
1840 memset(&mbox_sts, 0, sizeof(mbox_sts));
1841
1842 mbox_cmd[0] = MBOX_CMD_CONN_CLOSE_SESS_LOGOUT;
1843 mbox_cmd[1] = fw_ddb_index;
1844 mbox_cmd[2] = connection_id;
1845 mbox_cmd[3] = option;
1846
1847 status = qla4xxx_mailbox_command(ha, 4, 2, &mbox_cmd[0], &mbox_sts[0]);
1848 if (status != QLA_SUCCESS) {
1849 DEBUG2(ql4_printk(KERN_WARNING, ha, "%s: MBOX_CMD_CONN_CLOSE "
1850 "option %04x failed w/ status %04X %04X\n",
1851 __func__, option, mbox_sts[0], mbox_sts[1]));
1852 }
1853 return status;
1854 }
1855
1856 /**
1857 * qla4_84xx_extend_idc_tmo - Extend IDC Timeout.
1858 * @ha: Pointer to host adapter structure.
1859 * @ext_tmo: idc timeout value
1860 *
1861 * Requests firmware to extend the idc timeout value.
1862 **/
1863 static int qla4_84xx_extend_idc_tmo(struct scsi_qla_host *ha, uint32_t ext_tmo)
1864 {
1865 uint32_t mbox_cmd[MBOX_REG_COUNT];
1866 uint32_t mbox_sts[MBOX_REG_COUNT];
1867 int status;
1868
1869 memset(&mbox_cmd, 0, sizeof(mbox_cmd));
1870 memset(&mbox_sts, 0, sizeof(mbox_sts));
1871 ext_tmo &= 0xf;
1872
1873 mbox_cmd[0] = MBOX_CMD_IDC_TIME_EXTEND;
1874 mbox_cmd[1] = ((ha->idc_info.request_desc & 0xfffff0ff) |
1875 (ext_tmo << 8)); /* new timeout */
1876 mbox_cmd[2] = ha->idc_info.info1;
1877 mbox_cmd[3] = ha->idc_info.info2;
1878 mbox_cmd[4] = ha->idc_info.info3;
1879
1880 status = qla4xxx_mailbox_command(ha, MBOX_REG_COUNT, MBOX_REG_COUNT,
1881 mbox_cmd, mbox_sts);
1882 if (status != QLA_SUCCESS) {
1883 DEBUG2(ql4_printk(KERN_INFO, ha,
1884 "scsi%ld: %s: failed status %04X\n",
1885 ha->host_no, __func__, mbox_sts[0]));
1886 return QLA_ERROR;
1887 } else {
1888 ql4_printk(KERN_INFO, ha, "%s: IDC timeout extended by %d secs\n",
1889 __func__, ext_tmo);
1890 }
1891
1892 return QLA_SUCCESS;
1893 }
1894
1895 int qla4xxx_disable_acb(struct scsi_qla_host *ha)
1896 {
1897 uint32_t mbox_cmd[MBOX_REG_COUNT];
1898 uint32_t mbox_sts[MBOX_REG_COUNT];
1899 int status = QLA_SUCCESS;
1900
1901 memset(&mbox_cmd, 0, sizeof(mbox_cmd));
1902 memset(&mbox_sts, 0, sizeof(mbox_sts));
1903
1904 mbox_cmd[0] = MBOX_CMD_DISABLE_ACB;
1905
1906 status = qla4xxx_mailbox_command(ha, 8, 5, &mbox_cmd[0], &mbox_sts[0]);
1907 if (status != QLA_SUCCESS) {
1908 DEBUG2(ql4_printk(KERN_WARNING, ha, "%s: MBOX_CMD_DISABLE_ACB "
1909 "failed w/ status %04X %04X %04X", __func__,
1910 mbox_sts[0], mbox_sts[1], mbox_sts[2]));
1911 } else {
1912 if (is_qla8042(ha) &&
1913 test_bit(DPC_POST_IDC_ACK, &ha->dpc_flags) &&
1914 (mbox_sts[0] != MBOX_STS_COMMAND_COMPLETE)) {
1915 /*
1916 * Disable ACB mailbox command takes time to complete
1917 * based on the total number of targets connected.
1918 * For 512 targets, it took approximately 5 secs to
1919 * complete. Setting the timeout value to 8, with the 3
1920 * secs buffer.
1921 */
1922 qla4_84xx_extend_idc_tmo(ha, IDC_EXTEND_TOV);
1923 if (!wait_for_completion_timeout(&ha->disable_acb_comp,
1924 IDC_EXTEND_TOV * HZ)) {
1925 ql4_printk(KERN_WARNING, ha, "%s: Disable ACB Completion not received\n",
1926 __func__);
1927 }
1928 }
1929 }
1930 return status;
1931 }
1932
1933 int qla4xxx_get_acb(struct scsi_qla_host *ha, dma_addr_t acb_dma,
1934 uint32_t acb_type, uint32_t len)
1935 {
1936 uint32_t mbox_cmd[MBOX_REG_COUNT];
1937 uint32_t mbox_sts[MBOX_REG_COUNT];
1938 int status = QLA_SUCCESS;
1939
1940 memset(&mbox_cmd, 0, sizeof(mbox_cmd));
1941 memset(&mbox_sts, 0, sizeof(mbox_sts));
1942
1943 mbox_cmd[0] = MBOX_CMD_GET_ACB;
1944 mbox_cmd[1] = acb_type;
1945 mbox_cmd[2] = LSDW(acb_dma);
1946 mbox_cmd[3] = MSDW(acb_dma);
1947 mbox_cmd[4] = len;
1948
1949 status = qla4xxx_mailbox_command(ha, 5, 5, &mbox_cmd[0], &mbox_sts[0]);
1950 if (status != QLA_SUCCESS) {
1951 DEBUG2(ql4_printk(KERN_WARNING, ha, "%s: MBOX_CMD_GET_ACB "
1952 "failed w/ status %04X\n", __func__,
1953 mbox_sts[0]));
1954 }
1955 return status;
1956 }
1957
1958 int qla4xxx_set_acb(struct scsi_qla_host *ha, uint32_t *mbox_cmd,
1959 uint32_t *mbox_sts, dma_addr_t acb_dma)
1960 {
1961 int status = QLA_SUCCESS;
1962
1963 memset(mbox_cmd, 0, sizeof(mbox_cmd[0]) * MBOX_REG_COUNT);
1964 memset(mbox_sts, 0, sizeof(mbox_sts[0]) * MBOX_REG_COUNT);
1965 mbox_cmd[0] = MBOX_CMD_SET_ACB;
1966 mbox_cmd[1] = 0; /* Primary ACB */
1967 mbox_cmd[2] = LSDW(acb_dma);
1968 mbox_cmd[3] = MSDW(acb_dma);
1969 mbox_cmd[4] = sizeof(struct addr_ctrl_blk);
1970
1971 status = qla4xxx_mailbox_command(ha, 5, 5, &mbox_cmd[0], &mbox_sts[0]);
1972 if (status != QLA_SUCCESS) {
1973 DEBUG2(ql4_printk(KERN_WARNING, ha, "%s: MBOX_CMD_SET_ACB "
1974 "failed w/ status %04X\n", __func__,
1975 mbox_sts[0]));
1976 }
1977 return status;
1978 }
1979
1980 int qla4xxx_set_param_ddbentry(struct scsi_qla_host *ha,
1981 struct ddb_entry *ddb_entry,
1982 struct iscsi_cls_conn *cls_conn,
1983 uint32_t *mbx_sts)
1984 {
1985 struct dev_db_entry *fw_ddb_entry;
1986 struct iscsi_conn *conn;
1987 struct iscsi_session *sess;
1988 struct qla_conn *qla_conn;
1989 struct sockaddr *dst_addr;
1990 dma_addr_t fw_ddb_entry_dma;
1991 int status = QLA_SUCCESS;
1992 int rval = 0;
1993 struct sockaddr_in *addr;
1994 struct sockaddr_in6 *addr6;
1995 char *ip;
1996 uint16_t iscsi_opts = 0;
1997 uint32_t options = 0;
1998 uint16_t idx, *ptid;
1999
2000 fw_ddb_entry = dma_alloc_coherent(&ha->pdev->dev, sizeof(*fw_ddb_entry),
2001 &fw_ddb_entry_dma, GFP_KERNEL);
2002 if (!fw_ddb_entry) {
2003 DEBUG2(ql4_printk(KERN_ERR, ha,
2004 "%s: Unable to allocate dma buffer.\n",
2005 __func__));
2006 rval = -ENOMEM;
2007 goto exit_set_param_no_free;
2008 }
2009
2010 conn = cls_conn->dd_data;
2011 qla_conn = conn->dd_data;
2012 sess = conn->session;
2013 dst_addr = (struct sockaddr *)&qla_conn->qla_ep->dst_addr;
2014
2015 if (dst_addr->sa_family == AF_INET6)
2016 options |= IPV6_DEFAULT_DDB_ENTRY;
2017
2018 status = qla4xxx_get_default_ddb(ha, options, fw_ddb_entry_dma);
2019 if (status == QLA_ERROR) {
2020 rval = -EINVAL;
2021 goto exit_set_param;
2022 }
2023
2024 ptid = (uint16_t *)&fw_ddb_entry->isid[1];
2025 *ptid = cpu_to_le16((uint16_t)ddb_entry->sess->target_id);
2026
2027 DEBUG2(ql4_printk(KERN_INFO, ha, "ISID [%pmR]\n", fw_ddb_entry->isid));
2028
2029 iscsi_opts = le16_to_cpu(fw_ddb_entry->iscsi_options);
2030 memset(fw_ddb_entry->iscsi_alias, 0, sizeof(fw_ddb_entry->iscsi_alias));
2031
2032 memset(fw_ddb_entry->iscsi_name, 0, sizeof(fw_ddb_entry->iscsi_name));
2033
2034 if (sess->targetname != NULL) {
2035 memcpy(fw_ddb_entry->iscsi_name, sess->targetname,
2036 min(strlen(sess->targetname),
2037 sizeof(fw_ddb_entry->iscsi_name)));
2038 }
2039
2040 memset(fw_ddb_entry->ip_addr, 0, sizeof(fw_ddb_entry->ip_addr));
2041 memset(fw_ddb_entry->tgt_addr, 0, sizeof(fw_ddb_entry->tgt_addr));
2042
2043 fw_ddb_entry->options = DDB_OPT_TARGET | DDB_OPT_AUTO_SENDTGTS_DISABLE;
2044
2045 if (dst_addr->sa_family == AF_INET) {
2046 addr = (struct sockaddr_in *)dst_addr;
2047 ip = (char *)&addr->sin_addr;
2048 memcpy(fw_ddb_entry->ip_addr, ip, IP_ADDR_LEN);
2049 fw_ddb_entry->port = cpu_to_le16(ntohs(addr->sin_port));
2050 DEBUG2(ql4_printk(KERN_INFO, ha,
2051 "%s: Destination Address [%pI4]: index [%d]\n",
2052 __func__, fw_ddb_entry->ip_addr,
2053 ddb_entry->fw_ddb_index));
2054 } else if (dst_addr->sa_family == AF_INET6) {
2055 addr6 = (struct sockaddr_in6 *)dst_addr;
2056 ip = (char *)&addr6->sin6_addr;
2057 memcpy(fw_ddb_entry->ip_addr, ip, IPv6_ADDR_LEN);
2058 fw_ddb_entry->port = cpu_to_le16(ntohs(addr6->sin6_port));
2059 fw_ddb_entry->options |= DDB_OPT_IPV6_DEVICE;
2060 DEBUG2(ql4_printk(KERN_INFO, ha,
2061 "%s: Destination Address [%pI6]: index [%d]\n",
2062 __func__, fw_ddb_entry->ip_addr,
2063 ddb_entry->fw_ddb_index));
2064 } else {
2065 ql4_printk(KERN_ERR, ha,
2066 "%s: Failed to get IP Address\n",
2067 __func__);
2068 rval = -EINVAL;
2069 goto exit_set_param;
2070 }
2071
2072 /* CHAP */
2073 if (sess->username != NULL && sess->password != NULL) {
2074 if (strlen(sess->username) && strlen(sess->password)) {
2075 iscsi_opts |= BIT_7;
2076
2077 rval = qla4xxx_get_chap_index(ha, sess->username,
2078 sess->password,
2079 LOCAL_CHAP, &idx);
2080 if (rval)
2081 goto exit_set_param;
2082
2083 fw_ddb_entry->chap_tbl_idx = cpu_to_le16(idx);
2084 }
2085 }
2086
2087 if (sess->username_in != NULL && sess->password_in != NULL) {
2088 /* Check if BIDI CHAP */
2089 if (strlen(sess->username_in) && strlen(sess->password_in)) {
2090 iscsi_opts |= BIT_4;
2091
2092 rval = qla4xxx_get_chap_index(ha, sess->username_in,
2093 sess->password_in,
2094 BIDI_CHAP, &idx);
2095 if (rval)
2096 goto exit_set_param;
2097 }
2098 }
2099
2100 if (sess->initial_r2t_en)
2101 iscsi_opts |= BIT_10;
2102
2103 if (sess->imm_data_en)
2104 iscsi_opts |= BIT_11;
2105
2106 fw_ddb_entry->iscsi_options = cpu_to_le16(iscsi_opts);
2107
2108 if (conn->max_recv_dlength)
2109 fw_ddb_entry->iscsi_max_rcv_data_seg_len =
2110 __constant_cpu_to_le16((conn->max_recv_dlength / BYTE_UNITS));
2111
2112 if (sess->max_r2t)
2113 fw_ddb_entry->iscsi_max_outsnd_r2t = cpu_to_le16(sess->max_r2t);
2114
2115 if (sess->first_burst)
2116 fw_ddb_entry->iscsi_first_burst_len =
2117 __constant_cpu_to_le16((sess->first_burst / BYTE_UNITS));
2118
2119 if (sess->max_burst)
2120 fw_ddb_entry->iscsi_max_burst_len =
2121 __constant_cpu_to_le16((sess->max_burst / BYTE_UNITS));
2122
2123 if (sess->time2wait)
2124 fw_ddb_entry->iscsi_def_time2wait =
2125 cpu_to_le16(sess->time2wait);
2126
2127 if (sess->time2retain)
2128 fw_ddb_entry->iscsi_def_time2retain =
2129 cpu_to_le16(sess->time2retain);
2130
2131 status = qla4xxx_set_ddb_entry(ha, ddb_entry->fw_ddb_index,
2132 fw_ddb_entry_dma, mbx_sts);
2133
2134 if (status != QLA_SUCCESS)
2135 rval = -EINVAL;
2136 exit_set_param:
2137 dma_free_coherent(&ha->pdev->dev, sizeof(*fw_ddb_entry),
2138 fw_ddb_entry, fw_ddb_entry_dma);
2139 exit_set_param_no_free:
2140 return rval;
2141 }
2142
2143 int qla4xxx_get_mgmt_data(struct scsi_qla_host *ha, uint16_t fw_ddb_index,
2144 uint16_t stats_size, dma_addr_t stats_dma)
2145 {
2146 int status = QLA_SUCCESS;
2147 uint32_t mbox_cmd[MBOX_REG_COUNT];
2148 uint32_t mbox_sts[MBOX_REG_COUNT];
2149
2150 memset(mbox_cmd, 0, sizeof(mbox_cmd[0]) * MBOX_REG_COUNT);
2151 memset(mbox_sts, 0, sizeof(mbox_sts[0]) * MBOX_REG_COUNT);
2152 mbox_cmd[0] = MBOX_CMD_GET_MANAGEMENT_DATA;
2153 mbox_cmd[1] = fw_ddb_index;
2154 mbox_cmd[2] = LSDW(stats_dma);
2155 mbox_cmd[3] = MSDW(stats_dma);
2156 mbox_cmd[4] = stats_size;
2157
2158 status = qla4xxx_mailbox_command(ha, 5, 1, &mbox_cmd[0], &mbox_sts[0]);
2159 if (status != QLA_SUCCESS) {
2160 DEBUG2(ql4_printk(KERN_WARNING, ha,
2161 "%s: MBOX_CMD_GET_MANAGEMENT_DATA "
2162 "failed w/ status %04X\n", __func__,
2163 mbox_sts[0]));
2164 }
2165 return status;
2166 }
2167
2168 int qla4xxx_get_ip_state(struct scsi_qla_host *ha, uint32_t acb_idx,
2169 uint32_t ip_idx, uint32_t *sts)
2170 {
2171 uint32_t mbox_cmd[MBOX_REG_COUNT];
2172 uint32_t mbox_sts[MBOX_REG_COUNT];
2173 int status = QLA_SUCCESS;
2174
2175 memset(&mbox_cmd, 0, sizeof(mbox_cmd));
2176 memset(&mbox_sts, 0, sizeof(mbox_sts));
2177 mbox_cmd[0] = MBOX_CMD_GET_IP_ADDR_STATE;
2178 mbox_cmd[1] = acb_idx;
2179 mbox_cmd[2] = ip_idx;
2180
2181 status = qla4xxx_mailbox_command(ha, 3, 8, &mbox_cmd[0], &mbox_sts[0]);
2182 if (status != QLA_SUCCESS) {
2183 DEBUG2(ql4_printk(KERN_WARNING, ha, "%s: "
2184 "MBOX_CMD_GET_IP_ADDR_STATE failed w/ "
2185 "status %04X\n", __func__, mbox_sts[0]));
2186 }
2187 memcpy(sts, mbox_sts, sizeof(mbox_sts));
2188 return status;
2189 }
2190
2191 int qla4xxx_get_nvram(struct scsi_qla_host *ha, dma_addr_t nvram_dma,
2192 uint32_t offset, uint32_t size)
2193 {
2194 int status = QLA_SUCCESS;
2195 uint32_t mbox_cmd[MBOX_REG_COUNT];
2196 uint32_t mbox_sts[MBOX_REG_COUNT];
2197
2198 memset(&mbox_cmd, 0, sizeof(mbox_cmd));
2199 memset(&mbox_sts, 0, sizeof(mbox_sts));
2200
2201 mbox_cmd[0] = MBOX_CMD_GET_NVRAM;
2202 mbox_cmd[1] = LSDW(nvram_dma);
2203 mbox_cmd[2] = MSDW(nvram_dma);
2204 mbox_cmd[3] = offset;
2205 mbox_cmd[4] = size;
2206
2207 status = qla4xxx_mailbox_command(ha, MBOX_REG_COUNT, 1, &mbox_cmd[0],
2208 &mbox_sts[0]);
2209 if (status != QLA_SUCCESS) {
2210 DEBUG2(ql4_printk(KERN_ERR, ha, "scsi%ld: %s: failed "
2211 "status %04X\n", ha->host_no, __func__,
2212 mbox_sts[0]));
2213 }
2214 return status;
2215 }
2216
2217 int qla4xxx_set_nvram(struct scsi_qla_host *ha, dma_addr_t nvram_dma,
2218 uint32_t offset, uint32_t size)
2219 {
2220 int status = QLA_SUCCESS;
2221 uint32_t mbox_cmd[MBOX_REG_COUNT];
2222 uint32_t mbox_sts[MBOX_REG_COUNT];
2223
2224 memset(&mbox_cmd, 0, sizeof(mbox_cmd));
2225 memset(&mbox_sts, 0, sizeof(mbox_sts));
2226
2227 mbox_cmd[0] = MBOX_CMD_SET_NVRAM;
2228 mbox_cmd[1] = LSDW(nvram_dma);
2229 mbox_cmd[2] = MSDW(nvram_dma);
2230 mbox_cmd[3] = offset;
2231 mbox_cmd[4] = size;
2232
2233 status = qla4xxx_mailbox_command(ha, MBOX_REG_COUNT, 1, &mbox_cmd[0],
2234 &mbox_sts[0]);
2235 if (status != QLA_SUCCESS) {
2236 DEBUG2(ql4_printk(KERN_ERR, ha, "scsi%ld: %s: failed "
2237 "status %04X\n", ha->host_no, __func__,
2238 mbox_sts[0]));
2239 }
2240 return status;
2241 }
2242
2243 int qla4xxx_restore_factory_defaults(struct scsi_qla_host *ha,
2244 uint32_t region, uint32_t field0,
2245 uint32_t field1)
2246 {
2247 int status = QLA_SUCCESS;
2248 uint32_t mbox_cmd[MBOX_REG_COUNT];
2249 uint32_t mbox_sts[MBOX_REG_COUNT];
2250
2251 memset(&mbox_cmd, 0, sizeof(mbox_cmd));
2252 memset(&mbox_sts, 0, sizeof(mbox_sts));
2253
2254 mbox_cmd[0] = MBOX_CMD_RESTORE_FACTORY_DEFAULTS;
2255 mbox_cmd[3] = region;
2256 mbox_cmd[4] = field0;
2257 mbox_cmd[5] = field1;
2258
2259 status = qla4xxx_mailbox_command(ha, MBOX_REG_COUNT, 3, &mbox_cmd[0],
2260 &mbox_sts[0]);
2261 if (status != QLA_SUCCESS) {
2262 DEBUG2(ql4_printk(KERN_ERR, ha, "scsi%ld: %s: failed "
2263 "status %04X\n", ha->host_no, __func__,
2264 mbox_sts[0]));
2265 }
2266 return status;
2267 }
2268
2269 /**
2270 * qla4_8xxx_set_param - set driver version in firmware.
2271 * @ha: Pointer to host adapter structure.
2272 * @param: Parameter to set i.e driver version
2273 **/
2274 int qla4_8xxx_set_param(struct scsi_qla_host *ha, int param)
2275 {
2276 uint32_t mbox_cmd[MBOX_REG_COUNT];
2277 uint32_t mbox_sts[MBOX_REG_COUNT];
2278 uint32_t status;
2279
2280 memset(&mbox_cmd, 0, sizeof(mbox_cmd));
2281 memset(&mbox_sts, 0, sizeof(mbox_sts));
2282
2283 mbox_cmd[0] = MBOX_CMD_SET_PARAM;
2284 if (param == SET_DRVR_VERSION) {
2285 mbox_cmd[1] = SET_DRVR_VERSION;
2286 strncpy((char *)&mbox_cmd[2], QLA4XXX_DRIVER_VERSION,
2287 MAX_DRVR_VER_LEN - 1);
2288 } else {
2289 ql4_printk(KERN_ERR, ha, "%s: invalid parameter 0x%x\n",
2290 __func__, param);
2291 status = QLA_ERROR;
2292 goto exit_set_param;
2293 }
2294
2295 status = qla4xxx_mailbox_command(ha, MBOX_REG_COUNT, 2, mbox_cmd,
2296 mbox_sts);
2297 if (status == QLA_ERROR)
2298 ql4_printk(KERN_ERR, ha, "%s: failed status %04X\n",
2299 __func__, mbox_sts[0]);
2300
2301 exit_set_param:
2302 return status;
2303 }
2304
2305 /**
2306 * qla4_83xx_post_idc_ack - post IDC ACK
2307 * @ha: Pointer to host adapter structure.
2308 *
2309 * Posts IDC ACK for IDC Request Notification AEN.
2310 **/
2311 int qla4_83xx_post_idc_ack(struct scsi_qla_host *ha)
2312 {
2313 uint32_t mbox_cmd[MBOX_REG_COUNT];
2314 uint32_t mbox_sts[MBOX_REG_COUNT];
2315 int status;
2316
2317 memset(&mbox_cmd, 0, sizeof(mbox_cmd));
2318 memset(&mbox_sts, 0, sizeof(mbox_sts));
2319
2320 mbox_cmd[0] = MBOX_CMD_IDC_ACK;
2321 mbox_cmd[1] = ha->idc_info.request_desc;
2322 mbox_cmd[2] = ha->idc_info.info1;
2323 mbox_cmd[3] = ha->idc_info.info2;
2324 mbox_cmd[4] = ha->idc_info.info3;
2325
2326 status = qla4xxx_mailbox_command(ha, MBOX_REG_COUNT, MBOX_REG_COUNT,
2327 mbox_cmd, mbox_sts);
2328 if (status == QLA_ERROR)
2329 ql4_printk(KERN_ERR, ha, "%s: failed status %04X\n", __func__,
2330 mbox_sts[0]);
2331 else
2332 ql4_printk(KERN_INFO, ha, "%s: IDC ACK posted\n", __func__);
2333
2334 return status;
2335 }
2336
2337 int qla4_84xx_config_acb(struct scsi_qla_host *ha, int acb_config)
2338 {
2339 uint32_t mbox_cmd[MBOX_REG_COUNT];
2340 uint32_t mbox_sts[MBOX_REG_COUNT];
2341 struct addr_ctrl_blk *acb = NULL;
2342 uint32_t acb_len = sizeof(struct addr_ctrl_blk);
2343 int rval = QLA_SUCCESS;
2344 dma_addr_t acb_dma;
2345
2346 acb = dma_alloc_coherent(&ha->pdev->dev,
2347 sizeof(struct addr_ctrl_blk),
2348 &acb_dma, GFP_KERNEL);
2349 if (!acb) {
2350 ql4_printk(KERN_ERR, ha, "%s: Unable to alloc acb\n", __func__);
2351 rval = QLA_ERROR;
2352 goto exit_config_acb;
2353 }
2354 memset(acb, 0, acb_len);
2355
2356 switch (acb_config) {
2357 case ACB_CONFIG_DISABLE:
2358 rval = qla4xxx_get_acb(ha, acb_dma, 0, acb_len);
2359 if (rval != QLA_SUCCESS)
2360 goto exit_free_acb;
2361
2362 rval = qla4xxx_disable_acb(ha);
2363 if (rval != QLA_SUCCESS)
2364 goto exit_free_acb;
2365
2366 if (!ha->saved_acb)
2367 ha->saved_acb = kzalloc(acb_len, GFP_KERNEL);
2368
2369 if (!ha->saved_acb) {
2370 ql4_printk(KERN_ERR, ha, "%s: Unable to alloc acb\n",
2371 __func__);
2372 rval = QLA_ERROR;
2373 goto exit_free_acb;
2374 }
2375 memcpy(ha->saved_acb, acb, acb_len);
2376 break;
2377 case ACB_CONFIG_SET:
2378
2379 if (!ha->saved_acb) {
2380 ql4_printk(KERN_ERR, ha, "%s: Can't set ACB, Saved ACB not available\n",
2381 __func__);
2382 rval = QLA_ERROR;
2383 goto exit_free_acb;
2384 }
2385
2386 memcpy(acb, ha->saved_acb, acb_len);
2387
2388 rval = qla4xxx_set_acb(ha, &mbox_cmd[0], &mbox_sts[0], acb_dma);
2389 if (rval != QLA_SUCCESS)
2390 goto exit_free_acb;
2391
2392 break;
2393 default:
2394 ql4_printk(KERN_ERR, ha, "%s: Invalid ACB Configuration\n",
2395 __func__);
2396 }
2397
2398 exit_free_acb:
2399 dma_free_coherent(&ha->pdev->dev, sizeof(struct addr_ctrl_blk), acb,
2400 acb_dma);
2401 exit_config_acb:
2402 if ((acb_config == ACB_CONFIG_SET) && ha->saved_acb) {
2403 kfree(ha->saved_acb);
2404 ha->saved_acb = NULL;
2405 }
2406 DEBUG2(ql4_printk(KERN_INFO, ha,
2407 "%s %s\n", __func__,
2408 rval == QLA_SUCCESS ? "SUCCEEDED" : "FAILED"));
2409 return rval;
2410 }
2411
2412 int qla4_83xx_get_port_config(struct scsi_qla_host *ha, uint32_t *config)
2413 {
2414 uint32_t mbox_cmd[MBOX_REG_COUNT];
2415 uint32_t mbox_sts[MBOX_REG_COUNT];
2416 int status;
2417
2418 memset(&mbox_cmd, 0, sizeof(mbox_cmd));
2419 memset(&mbox_sts, 0, sizeof(mbox_sts));
2420
2421 mbox_cmd[0] = MBOX_CMD_GET_PORT_CONFIG;
2422
2423 status = qla4xxx_mailbox_command(ha, MBOX_REG_COUNT, MBOX_REG_COUNT,
2424 mbox_cmd, mbox_sts);
2425 if (status == QLA_SUCCESS)
2426 *config = mbox_sts[1];
2427 else
2428 ql4_printk(KERN_ERR, ha, "%s: failed status %04X\n", __func__,
2429 mbox_sts[0]);
2430
2431 return status;
2432 }
2433
2434 int qla4_83xx_set_port_config(struct scsi_qla_host *ha, uint32_t *config)
2435 {
2436 uint32_t mbox_cmd[MBOX_REG_COUNT];
2437 uint32_t mbox_sts[MBOX_REG_COUNT];
2438 int status;
2439
2440 memset(&mbox_cmd, 0, sizeof(mbox_cmd));
2441 memset(&mbox_sts, 0, sizeof(mbox_sts));
2442
2443 mbox_cmd[0] = MBOX_CMD_SET_PORT_CONFIG;
2444 mbox_cmd[1] = *config;
2445
2446 status = qla4xxx_mailbox_command(ha, MBOX_REG_COUNT, MBOX_REG_COUNT,
2447 mbox_cmd, mbox_sts);
2448 if (status != QLA_SUCCESS)
2449 ql4_printk(KERN_ERR, ha, "%s: failed status %04X\n", __func__,
2450 mbox_sts[0]);
2451
2452 return status;
2453 }
Linux with added FPC-III support