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PM / sleep: Asynchronous threads for suspend_noirq
[linux/fpc-iii.git] / drivers / scsi / qla2xxx / qla_mr.c
blobba6f8b139c984b88a5a5396ab70e1e1109af72b6
1 /*
2 * QLogic Fibre Channel HBA Driver
3 * Copyright (c) 2003-2013 QLogic Corporation
4 *
5 * See LICENSE.qla2xxx for copyright and licensing details.
6 */
7 #include "qla_def.h"
8 #include <linux/delay.h>
9 #include <linux/pci.h>
10 #include <linux/ratelimit.h>
11 #include <linux/vmalloc.h>
12 #include <scsi/scsi_tcq.h>
13 #include <linux/utsname.h>
14
15
16 /* QLAFX00 specific Mailbox implementation functions */
17
18 /*
19 * qlafx00_mailbox_command
20 * Issue mailbox command and waits for completion.
21 *
22 * Input:
23 * ha = adapter block pointer.
24 * mcp = driver internal mbx struct pointer.
25 *
26 * Output:
27 * mb[MAX_MAILBOX_REGISTER_COUNT] = returned mailbox data.
28 *
29 * Returns:
30 * 0 : QLA_SUCCESS = cmd performed success
31 * 1 : QLA_FUNCTION_FAILED (error encountered)
32 * 6 : QLA_FUNCTION_TIMEOUT (timeout condition encountered)
33 *
34 * Context:
35 * Kernel context.
36 */
37 static int
38 qlafx00_mailbox_command(scsi_qla_host_t *vha, struct mbx_cmd_32 *mcp)
39
40 {
41 int rval;
42 unsigned long flags = 0;
43 device_reg_t __iomem *reg;
44 uint8_t abort_active;
45 uint8_t io_lock_on;
46 uint16_t command = 0;
47 uint32_t *iptr;
48 uint32_t __iomem *optr;
49 uint32_t cnt;
50 uint32_t mboxes;
51 unsigned long wait_time;
52 struct qla_hw_data *ha = vha->hw;
53 scsi_qla_host_t *base_vha = pci_get_drvdata(ha->pdev);
54
55 if (ha->pdev->error_state > pci_channel_io_frozen) {
56 ql_log(ql_log_warn, vha, 0x115c,
57 "error_state is greater than pci_channel_io_frozen, "
58 "exiting.\n");
59 return QLA_FUNCTION_TIMEOUT;
60 }
61
62 if (vha->device_flags & DFLG_DEV_FAILED) {
63 ql_log(ql_log_warn, vha, 0x115f,
64 "Device in failed state, exiting.\n");
65 return QLA_FUNCTION_TIMEOUT;
66 }
67
68 reg = ha->iobase;
69 io_lock_on = base_vha->flags.init_done;
70
71 rval = QLA_SUCCESS;
72 abort_active = test_bit(ABORT_ISP_ACTIVE, &base_vha->dpc_flags);
73
74 if (ha->flags.pci_channel_io_perm_failure) {
75 ql_log(ql_log_warn, vha, 0x1175,
76 "Perm failure on EEH timeout MBX, exiting.\n");
77 return QLA_FUNCTION_TIMEOUT;
78 }
79
80 if (ha->flags.isp82xx_fw_hung) {
81 /* Setting Link-Down error */
82 mcp->mb[0] = MBS_LINK_DOWN_ERROR;
83 ql_log(ql_log_warn, vha, 0x1176,
84 "FW hung = %d.\n", ha->flags.isp82xx_fw_hung);
85 rval = QLA_FUNCTION_FAILED;
86 goto premature_exit;
87 }
88
89 /*
90 * Wait for active mailbox commands to finish by waiting at most tov
91 * seconds. This is to serialize actual issuing of mailbox cmds during
92 * non ISP abort time.
93 */
94 if (!wait_for_completion_timeout(&ha->mbx_cmd_comp, mcp->tov * HZ)) {
95 /* Timeout occurred. Return error. */
96 ql_log(ql_log_warn, vha, 0x1177,
97 "Cmd access timeout, cmd=0x%x, Exiting.\n",
98 mcp->mb[0]);
99 return QLA_FUNCTION_TIMEOUT;
100 }
101
102 ha->flags.mbox_busy = 1;
103 /* Save mailbox command for debug */
104 ha->mcp32 = mcp;
105
106 ql_dbg(ql_dbg_mbx, vha, 0x1178,
107 "Prepare to issue mbox cmd=0x%x.\n", mcp->mb[0]);
108
109 spin_lock_irqsave(&ha->hardware_lock, flags);
110
111 /* Load mailbox registers. */
112 optr = (uint32_t __iomem *)&reg->ispfx00.mailbox0;
113
114 iptr = mcp->mb;
115 command = mcp->mb[0];
116 mboxes = mcp->out_mb;
117
118 for (cnt = 0; cnt < ha->mbx_count; cnt++) {
119 if (mboxes & BIT_0)
120 WRT_REG_DWORD(optr, *iptr);
121
122 mboxes >>= 1;
123 optr++;
124 iptr++;
125 }
126
127 /* Issue set host interrupt command to send cmd out. */
128 ha->flags.mbox_int = 0;
129 clear_bit(MBX_INTERRUPT, &ha->mbx_cmd_flags);
130
131 ql_dump_buffer(ql_dbg_mbx + ql_dbg_buffer, vha, 0x1172,
132 (uint8_t *)mcp->mb, 16);
133 ql_dump_buffer(ql_dbg_mbx + ql_dbg_buffer, vha, 0x1173,
134 ((uint8_t *)mcp->mb + 0x10), 16);
135 ql_dump_buffer(ql_dbg_mbx + ql_dbg_buffer, vha, 0x1174,
136 ((uint8_t *)mcp->mb + 0x20), 8);
137
138 /* Unlock mbx registers and wait for interrupt */
139 ql_dbg(ql_dbg_mbx, vha, 0x1179,
140 "Going to unlock irq & waiting for interrupts. "
141 "jiffies=%lx.\n", jiffies);
142
143 /* Wait for mbx cmd completion until timeout */
144 if ((!abort_active && io_lock_on) || IS_NOPOLLING_TYPE(ha)) {
145 set_bit(MBX_INTR_WAIT, &ha->mbx_cmd_flags);
146
147 QLAFX00_SET_HST_INTR(ha, ha->mbx_intr_code);
148 spin_unlock_irqrestore(&ha->hardware_lock, flags);
149
150 wait_for_completion_timeout(&ha->mbx_intr_comp, mcp->tov * HZ);
151 } else {
152 ql_dbg(ql_dbg_mbx, vha, 0x112c,
153 "Cmd=%x Polling Mode.\n", command);
154
155 QLAFX00_SET_HST_INTR(ha, ha->mbx_intr_code);
156 spin_unlock_irqrestore(&ha->hardware_lock, flags);
157
158 wait_time = jiffies + mcp->tov * HZ; /* wait at most tov secs */
159 while (!ha->flags.mbox_int) {
160 if (time_after(jiffies, wait_time))
161 break;
162
163 /* Check for pending interrupts. */
164 qla2x00_poll(ha->rsp_q_map[0]);
165
166 if (!ha->flags.mbox_int &&
167 !(IS_QLA2200(ha) &&
168 command == MBC_LOAD_RISC_RAM_EXTENDED))
169 usleep_range(10000, 11000);
170 } /* while */
171 ql_dbg(ql_dbg_mbx, vha, 0x112d,
172 "Waited %d sec.\n",
173 (uint)((jiffies - (wait_time - (mcp->tov * HZ)))/HZ));
174 }
175
176 /* Check whether we timed out */
177 if (ha->flags.mbox_int) {
178 uint32_t *iptr2;
179
180 ql_dbg(ql_dbg_mbx, vha, 0x112e,
181 "Cmd=%x completed.\n", command);
182
183 /* Got interrupt. Clear the flag. */
184 ha->flags.mbox_int = 0;
185 clear_bit(MBX_INTERRUPT, &ha->mbx_cmd_flags);
186
187 if (ha->mailbox_out32[0] != MBS_COMMAND_COMPLETE)
188 rval = QLA_FUNCTION_FAILED;
189
190 /* Load return mailbox registers. */
191 iptr2 = mcp->mb;
192 iptr = (uint32_t *)&ha->mailbox_out32[0];
193 mboxes = mcp->in_mb;
194 for (cnt = 0; cnt < ha->mbx_count; cnt++) {
195 if (mboxes & BIT_0)
196 *iptr2 = *iptr;
197
198 mboxes >>= 1;
199 iptr2++;
200 iptr++;
201 }
202 } else {
203
204 rval = QLA_FUNCTION_TIMEOUT;
205 }
206
207 ha->flags.mbox_busy = 0;
208
209 /* Clean up */
210 ha->mcp32 = NULL;
211
212 if ((abort_active || !io_lock_on) && !IS_NOPOLLING_TYPE(ha)) {
213 ql_dbg(ql_dbg_mbx, vha, 0x113a,
214 "checking for additional resp interrupt.\n");
215
216 /* polling mode for non isp_abort commands. */
217 qla2x00_poll(ha->rsp_q_map[0]);
218 }
219
220 if (rval == QLA_FUNCTION_TIMEOUT &&
221 mcp->mb[0] != MBC_GEN_SYSTEM_ERROR) {
222 if (!io_lock_on || (mcp->flags & IOCTL_CMD) ||
223 ha->flags.eeh_busy) {
224 /* not in dpc. schedule it for dpc to take over. */
225 ql_dbg(ql_dbg_mbx, vha, 0x115d,
226 "Timeout, schedule isp_abort_needed.\n");
227
228 if (!test_bit(ISP_ABORT_NEEDED, &vha->dpc_flags) &&
229 !test_bit(ABORT_ISP_ACTIVE, &vha->dpc_flags) &&
230 !test_bit(ISP_ABORT_RETRY, &vha->dpc_flags)) {
231
232 ql_log(ql_log_info, base_vha, 0x115e,
233 "Mailbox cmd timeout occurred, cmd=0x%x, "
234 "mb[0]=0x%x, eeh_busy=0x%x. Scheduling ISP "
235 "abort.\n", command, mcp->mb[0],
236 ha->flags.eeh_busy);
237 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
238 qla2xxx_wake_dpc(vha);
239 }
240 } else if (!abort_active) {
241 /* call abort directly since we are in the DPC thread */
242 ql_dbg(ql_dbg_mbx, vha, 0x1160,
243 "Timeout, calling abort_isp.\n");
244
245 if (!test_bit(ISP_ABORT_NEEDED, &vha->dpc_flags) &&
246 !test_bit(ABORT_ISP_ACTIVE, &vha->dpc_flags) &&
247 !test_bit(ISP_ABORT_RETRY, &vha->dpc_flags)) {
248
249 ql_log(ql_log_info, base_vha, 0x1161,
250 "Mailbox cmd timeout occurred, cmd=0x%x, "
251 "mb[0]=0x%x. Scheduling ISP abort ",
252 command, mcp->mb[0]);
253
254 set_bit(ABORT_ISP_ACTIVE, &vha->dpc_flags);
255 clear_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
256 if (ha->isp_ops->abort_isp(vha)) {
257 /* Failed. retry later. */
258 set_bit(ISP_ABORT_NEEDED,
259 &vha->dpc_flags);
260 }
261 clear_bit(ABORT_ISP_ACTIVE, &vha->dpc_flags);
262 ql_dbg(ql_dbg_mbx, vha, 0x1162,
263 "Finished abort_isp.\n");
264 }
265 }
266 }
267
268 premature_exit:
269 /* Allow next mbx cmd to come in. */
270 complete(&ha->mbx_cmd_comp);
271
272 if (rval) {
273 ql_log(ql_log_warn, base_vha, 0x1163,
274 "**** Failed mbx[0]=%x, mb[1]=%x, mb[2]=%x, "
275 "mb[3]=%x, cmd=%x ****.\n",
276 mcp->mb[0], mcp->mb[1], mcp->mb[2], mcp->mb[3], command);
277 } else {
278 ql_dbg(ql_dbg_mbx, base_vha, 0x1164, "Done %s.\n", __func__);
279 }
280
281 return rval;
282 }
283
284 /*
285 * qlafx00_driver_shutdown
286 * Indicate a driver shutdown to firmware.
287 *
288 * Input:
289 * ha = adapter block pointer.
290 *
291 * Returns:
292 * local function return status code.
293 *
294 * Context:
295 * Kernel context.
296 */
297 int
298 qlafx00_driver_shutdown(scsi_qla_host_t *vha, int tmo)
299 {
300 int rval;
301 struct mbx_cmd_32 mc;
302 struct mbx_cmd_32 *mcp = &mc;
303
304 ql_dbg(ql_dbg_mbx + ql_dbg_verbose, vha, 0x1166,
305 "Entered %s.\n", __func__);
306
307 mcp->mb[0] = MBC_MR_DRV_SHUTDOWN;
308 mcp->out_mb = MBX_0;
309 mcp->in_mb = MBX_0;
310 if (tmo)
311 mcp->tov = tmo;
312 else
313 mcp->tov = MBX_TOV_SECONDS;
314 mcp->flags = 0;
315 rval = qlafx00_mailbox_command(vha, mcp);
316
317 if (rval != QLA_SUCCESS) {
318 ql_dbg(ql_dbg_mbx, vha, 0x1167,
319 "Failed=%x.\n", rval);
320 } else {
321 ql_dbg(ql_dbg_mbx + ql_dbg_verbose, vha, 0x1168,
322 "Done %s.\n", __func__);
323 }
324
325 return rval;
326 }
327
328 /*
329 * qlafx00_get_firmware_state
330 * Get adapter firmware state.
331 *
332 * Input:
333 * ha = adapter block pointer.
334 * TARGET_QUEUE_LOCK must be released.
335 * ADAPTER_STATE_LOCK must be released.
336 *
337 * Returns:
338 * qla7xxx local function return status code.
339 *
340 * Context:
341 * Kernel context.
342 */
343 static int
344 qlafx00_get_firmware_state(scsi_qla_host_t *vha, uint32_t *states)
345 {
346 int rval;
347 struct mbx_cmd_32 mc;
348 struct mbx_cmd_32 *mcp = &mc;
349
350 ql_dbg(ql_dbg_mbx + ql_dbg_verbose, vha, 0x1169,
351 "Entered %s.\n", __func__);
352
353 mcp->mb[0] = MBC_GET_FIRMWARE_STATE;
354 mcp->out_mb = MBX_0;
355 mcp->in_mb = MBX_1|MBX_0;
356 mcp->tov = MBX_TOV_SECONDS;
357 mcp->flags = 0;
358 rval = qlafx00_mailbox_command(vha, mcp);
359
360 /* Return firmware states. */
361 states[0] = mcp->mb[1];
362
363 if (rval != QLA_SUCCESS) {
364 ql_dbg(ql_dbg_mbx, vha, 0x116a,
365 "Failed=%x mb[0]=%x.\n", rval, mcp->mb[0]);
366 } else {
367 ql_dbg(ql_dbg_mbx + ql_dbg_verbose, vha, 0x116b,
368 "Done %s.\n", __func__);
369 }
370 return rval;
371 }
372
373 /*
374 * qlafx00_init_firmware
375 * Initialize adapter firmware.
376 *
377 * Input:
378 * ha = adapter block pointer.
379 * dptr = Initialization control block pointer.
380 * size = size of initialization control block.
381 * TARGET_QUEUE_LOCK must be released.
382 * ADAPTER_STATE_LOCK must be released.
383 *
384 * Returns:
385 * qlafx00 local function return status code.
386 *
387 * Context:
388 * Kernel context.
389 */
390 int
391 qlafx00_init_firmware(scsi_qla_host_t *vha, uint16_t size)
392 {
393 int rval;
394 struct mbx_cmd_32 mc;
395 struct mbx_cmd_32 *mcp = &mc;
396 struct qla_hw_data *ha = vha->hw;
397
398 ql_dbg(ql_dbg_mbx + ql_dbg_verbose, vha, 0x116c,
399 "Entered %s.\n", __func__);
400
401 mcp->mb[0] = MBC_INITIALIZE_FIRMWARE;
402
403 mcp->mb[1] = 0;
404 mcp->mb[2] = MSD(ha->init_cb_dma);
405 mcp->mb[3] = LSD(ha->init_cb_dma);
406
407 mcp->out_mb = MBX_3|MBX_2|MBX_1|MBX_0;
408 mcp->in_mb = MBX_0;
409 mcp->buf_size = size;
410 mcp->flags = MBX_DMA_OUT;
411 mcp->tov = MBX_TOV_SECONDS;
412 rval = qlafx00_mailbox_command(vha, mcp);
413
414 if (rval != QLA_SUCCESS) {
415 ql_dbg(ql_dbg_mbx, vha, 0x116d,
416 "Failed=%x mb[0]=%x.\n", rval, mcp->mb[0]);
417 } else {
418 ql_dbg(ql_dbg_mbx + ql_dbg_verbose, vha, 0x116e,
419 "Done %s.\n", __func__);
420 }
421 return rval;
422 }
423
424 /*
425 * qlafx00_mbx_reg_test
426 */
427 static int
428 qlafx00_mbx_reg_test(scsi_qla_host_t *vha)
429 {
430 int rval;
431 struct mbx_cmd_32 mc;
432 struct mbx_cmd_32 *mcp = &mc;
433
434 ql_dbg(ql_dbg_mbx + ql_dbg_verbose, vha, 0x116f,
435 "Entered %s.\n", __func__);
436
437
438 mcp->mb[0] = MBC_MAILBOX_REGISTER_TEST;
439 mcp->mb[1] = 0xAAAA;
440 mcp->mb[2] = 0x5555;
441 mcp->mb[3] = 0xAA55;
442 mcp->mb[4] = 0x55AA;
443 mcp->mb[5] = 0xA5A5;
444 mcp->mb[6] = 0x5A5A;
445 mcp->mb[7] = 0x2525;
446 mcp->mb[8] = 0xBBBB;
447 mcp->mb[9] = 0x6666;
448 mcp->mb[10] = 0xBB66;
449 mcp->mb[11] = 0x66BB;
450 mcp->mb[12] = 0xB6B6;
451 mcp->mb[13] = 0x6B6B;
452 mcp->mb[14] = 0x3636;
453 mcp->mb[15] = 0xCCCC;
454
455
456 mcp->out_mb = MBX_15|MBX_14|MBX_13|MBX_12|MBX_11|MBX_10|MBX_9|MBX_8|
457 MBX_7|MBX_6|MBX_5|MBX_4|MBX_3|MBX_2|MBX_1|MBX_0;
458 mcp->in_mb = MBX_15|MBX_14|MBX_13|MBX_12|MBX_11|MBX_10|MBX_9|MBX_8|
459 MBX_7|MBX_6|MBX_5|MBX_4|MBX_3|MBX_2|MBX_1|MBX_0;
460 mcp->buf_size = 0;
461 mcp->flags = MBX_DMA_OUT;
462 mcp->tov = MBX_TOV_SECONDS;
463 rval = qlafx00_mailbox_command(vha, mcp);
464 if (rval == QLA_SUCCESS) {
465 if (mcp->mb[17] != 0xAAAA || mcp->mb[18] != 0x5555 ||
466 mcp->mb[19] != 0xAA55 || mcp->mb[20] != 0x55AA)
467 rval = QLA_FUNCTION_FAILED;
468 if (mcp->mb[21] != 0xA5A5 || mcp->mb[22] != 0x5A5A ||
469 mcp->mb[23] != 0x2525 || mcp->mb[24] != 0xBBBB)
470 rval = QLA_FUNCTION_FAILED;
471 if (mcp->mb[25] != 0x6666 || mcp->mb[26] != 0xBB66 ||
472 mcp->mb[27] != 0x66BB || mcp->mb[28] != 0xB6B6)
473 rval = QLA_FUNCTION_FAILED;
474 if (mcp->mb[29] != 0x6B6B || mcp->mb[30] != 0x3636 ||
475 mcp->mb[31] != 0xCCCC)
476 rval = QLA_FUNCTION_FAILED;
477 }
478
479 if (rval != QLA_SUCCESS) {
480 ql_dbg(ql_dbg_mbx, vha, 0x1170,
481 "Failed=%x mb[0]=%x.\n", rval, mcp->mb[0]);
482 } else {
483 ql_dbg(ql_dbg_mbx + ql_dbg_verbose, vha, 0x1171,
484 "Done %s.\n", __func__);
485 }
486 return rval;
487 }
488
489 /**
490 * qlafx00_pci_config() - Setup ISPFx00 PCI configuration registers.
491 * @ha: HA context
492 *
493 * Returns 0 on success.
494 */
495 int
496 qlafx00_pci_config(scsi_qla_host_t *vha)
497 {
498 uint16_t w;
499 struct qla_hw_data *ha = vha->hw;
500
501 pci_set_master(ha->pdev);
502 pci_try_set_mwi(ha->pdev);
503
504 pci_read_config_word(ha->pdev, PCI_COMMAND, &w);
505 w |= (PCI_COMMAND_PARITY | PCI_COMMAND_SERR);
506 w &= ~PCI_COMMAND_INTX_DISABLE;
507 pci_write_config_word(ha->pdev, PCI_COMMAND, w);
508
509 /* PCIe -- adjust Maximum Read Request Size (2048). */
510 if (pci_is_pcie(ha->pdev))
511 pcie_set_readrq(ha->pdev, 2048);
512
513 ha->chip_revision = ha->pdev->revision;
514
515 return QLA_SUCCESS;
516 }
517
518 /**
519 * qlafx00_warm_reset() - Perform warm reset of iSA(CPUs being reset on SOC).
520 * @ha: HA context
521 *
522 */
523 static inline void
524 qlafx00_soc_cpu_reset(scsi_qla_host_t *vha)
525 {
526 unsigned long flags = 0;
527 struct qla_hw_data *ha = vha->hw;
528 int i, core;
529 uint32_t cnt;
530
531 /* Set all 4 cores in reset */
532 for (i = 0; i < 4; i++) {
533 QLAFX00_SET_HBA_SOC_REG(ha,
534 (SOC_SW_RST_CONTROL_REG_CORE0 + 8*i), (0xF01));
535 }
536
537 /* Set all 4 core Clock gating control */
538 for (i = 0; i < 4; i++) {
539 QLAFX00_SET_HBA_SOC_REG(ha,
540 (SOC_SW_RST_CONTROL_REG_CORE0 + 4 + 8*i), (0x01010101));
541 }
542
543 /* Reset all units in Fabric */
544 QLAFX00_SET_HBA_SOC_REG(ha, SOC_FABRIC_RST_CONTROL_REG, (0x11F0101));
545
546 /* Reset all interrupt control registers */
547 for (i = 0; i < 115; i++) {
548 QLAFX00_SET_HBA_SOC_REG(ha,
549 (SOC_INTERRUPT_SOURCE_I_CONTROL_REG + 4*i), (0x0));
550 }
551
552 /* Reset Timers control registers. per core */
553 for (core = 0; core < 4; core++)
554 for (i = 0; i < 8; i++)
555 QLAFX00_SET_HBA_SOC_REG(ha,
556 (SOC_CORE_TIMER_REG + 0x100*core + 4*i), (0x0));
557
558 /* Reset per core IRQ ack register */
559 for (core = 0; core < 4; core++)
560 QLAFX00_SET_HBA_SOC_REG(ha,
561 (SOC_IRQ_ACK_REG + 0x100*core), (0x3FF));
562
563 /* Set Fabric control and config to defaults */
564 QLAFX00_SET_HBA_SOC_REG(ha, SOC_FABRIC_CONTROL_REG, (0x2));
565 QLAFX00_SET_HBA_SOC_REG(ha, SOC_FABRIC_CONFIG_REG, (0x3));
566
567 spin_lock_irqsave(&ha->hardware_lock, flags);
568
569 /* Kick in Fabric units */
570 QLAFX00_SET_HBA_SOC_REG(ha, SOC_FABRIC_RST_CONTROL_REG, (0x0));
571
572 /* Kick in Core0 to start boot process */
573 QLAFX00_SET_HBA_SOC_REG(ha, SOC_SW_RST_CONTROL_REG_CORE0, (0xF00));
574
575 /* Wait 10secs for soft-reset to complete. */
576 for (cnt = 10; cnt; cnt--) {
577 msleep(1000);
578 barrier();
579 }
580 spin_unlock_irqrestore(&ha->hardware_lock, flags);
581 }
582
583 /**
584 * qlafx00_soft_reset() - Soft Reset ISPFx00.
585 * @ha: HA context
586 *
587 * Returns 0 on success.
588 */
589 void
590 qlafx00_soft_reset(scsi_qla_host_t *vha)
591 {
592 struct qla_hw_data *ha = vha->hw;
593
594 if (unlikely(pci_channel_offline(ha->pdev) &&
595 ha->flags.pci_channel_io_perm_failure))
596 return;
597
598 ha->isp_ops->disable_intrs(ha);
599 qlafx00_soc_cpu_reset(vha);
600 ha->isp_ops->enable_intrs(ha);
601 }
602
603 /**
604 * qlafx00_chip_diag() - Test ISPFx00 for proper operation.
605 * @ha: HA context
606 *
607 * Returns 0 on success.
608 */
609 int
610 qlafx00_chip_diag(scsi_qla_host_t *vha)
611 {
612 int rval = 0;
613 struct qla_hw_data *ha = vha->hw;
614 struct req_que *req = ha->req_q_map[0];
615
616 ha->fw_transfer_size = REQUEST_ENTRY_SIZE * req->length;
617
618 rval = qlafx00_mbx_reg_test(vha);
619 if (rval) {
620 ql_log(ql_log_warn, vha, 0x1165,
621 "Failed mailbox send register test\n");
622 } else {
623 /* Flag a successful rval */
624 rval = QLA_SUCCESS;
625 }
626 return rval;
627 }
628
629 void
630 qlafx00_config_rings(struct scsi_qla_host *vha)
631 {
632 struct qla_hw_data *ha = vha->hw;
633 struct device_reg_fx00 __iomem *reg = &ha->iobase->ispfx00;
634 struct init_cb_fx *icb;
635 struct req_que *req = ha->req_q_map[0];
636 struct rsp_que *rsp = ha->rsp_q_map[0];
637
638 /* Setup ring parameters in initialization control block. */
639 icb = (struct init_cb_fx *)ha->init_cb;
640 icb->request_q_outpointer = __constant_cpu_to_le16(0);
641 icb->response_q_inpointer = __constant_cpu_to_le16(0);
642 icb->request_q_length = cpu_to_le16(req->length);
643 icb->response_q_length = cpu_to_le16(rsp->length);
644 icb->request_q_address[0] = cpu_to_le32(LSD(req->dma));
645 icb->request_q_address[1] = cpu_to_le32(MSD(req->dma));
646 icb->response_q_address[0] = cpu_to_le32(LSD(rsp->dma));
647 icb->response_q_address[1] = cpu_to_le32(MSD(rsp->dma));
648
649 WRT_REG_DWORD(&reg->req_q_in, 0);
650 WRT_REG_DWORD(&reg->req_q_out, 0);
651
652 WRT_REG_DWORD(&reg->rsp_q_in, 0);
653 WRT_REG_DWORD(&reg->rsp_q_out, 0);
654
655 /* PCI posting */
656 RD_REG_DWORD(&reg->rsp_q_out);
657 }
658
659 char *
660 qlafx00_pci_info_str(struct scsi_qla_host *vha, char *str)
661 {
662 struct qla_hw_data *ha = vha->hw;
663
664 if (pci_is_pcie(ha->pdev)) {
665 strcpy(str, "PCIe iSA");
666 return str;
667 }
668 return str;
669 }
670
671 char *
672 qlafx00_fw_version_str(struct scsi_qla_host *vha, char *str)
673 {
674 struct qla_hw_data *ha = vha->hw;
675
676 sprintf(str, "%s", ha->mr.fw_version);
677 return str;
678 }
679
680 void
681 qlafx00_enable_intrs(struct qla_hw_data *ha)
682 {
683 unsigned long flags = 0;
684
685 spin_lock_irqsave(&ha->hardware_lock, flags);
686 ha->interrupts_on = 1;
687 QLAFX00_ENABLE_ICNTRL_REG(ha);
688 spin_unlock_irqrestore(&ha->hardware_lock, flags);
689 }
690
691 void
692 qlafx00_disable_intrs(struct qla_hw_data *ha)
693 {
694 unsigned long flags = 0;
695
696 spin_lock_irqsave(&ha->hardware_lock, flags);
697 ha->interrupts_on = 0;
698 QLAFX00_DISABLE_ICNTRL_REG(ha);
699 spin_unlock_irqrestore(&ha->hardware_lock, flags);
700 }
701
702 static void
703 qlafx00_tmf_iocb_timeout(void *data)
704 {
705 srb_t *sp = (srb_t *)data;
706 struct srb_iocb *tmf = &sp->u.iocb_cmd;
707
708 tmf->u.tmf.comp_status = cpu_to_le16((uint16_t)CS_TIMEOUT);
709 complete(&tmf->u.tmf.comp);
710 }
711
712 static void
713 qlafx00_tmf_sp_done(void *data, void *ptr, int res)
714 {
715 srb_t *sp = (srb_t *)ptr;
716 struct srb_iocb *tmf = &sp->u.iocb_cmd;
717
718 complete(&tmf->u.tmf.comp);
719 }
720
721 static int
722 qlafx00_async_tm_cmd(fc_port_t *fcport, uint32_t flags,
723 uint32_t lun, uint32_t tag)
724 {
725 scsi_qla_host_t *vha = fcport->vha;
726 struct srb_iocb *tm_iocb;
727 srb_t *sp;
728 int rval = QLA_FUNCTION_FAILED;
729
730 sp = qla2x00_get_sp(vha, fcport, GFP_KERNEL);
731 if (!sp)
732 goto done;
733
734 tm_iocb = &sp->u.iocb_cmd;
735 sp->type = SRB_TM_CMD;
736 sp->name = "tmf";
737 qla2x00_init_timer(sp, qla2x00_get_async_timeout(vha));
738 tm_iocb->u.tmf.flags = flags;
739 tm_iocb->u.tmf.lun = lun;
740 tm_iocb->u.tmf.data = tag;
741 sp->done = qlafx00_tmf_sp_done;
742 tm_iocb->timeout = qlafx00_tmf_iocb_timeout;
743 init_completion(&tm_iocb->u.tmf.comp);
744
745 rval = qla2x00_start_sp(sp);
746 if (rval != QLA_SUCCESS)
747 goto done_free_sp;
748
749 ql_dbg(ql_dbg_async, vha, 0x507b,
750 "Task management command issued target_id=%x\n",
751 fcport->tgt_id);
752
753 wait_for_completion(&tm_iocb->u.tmf.comp);
754
755 rval = tm_iocb->u.tmf.comp_status == CS_COMPLETE ?
756 QLA_SUCCESS : QLA_FUNCTION_FAILED;
757
758 done_free_sp:
759 sp->free(vha, sp);
760 done:
761 return rval;
762 }
763
764 int
765 qlafx00_abort_target(fc_port_t *fcport, unsigned int l, int tag)
766 {
767 return qlafx00_async_tm_cmd(fcport, TCF_TARGET_RESET, l, tag);
768 }
769
770 int
771 qlafx00_lun_reset(fc_port_t *fcport, unsigned int l, int tag)
772 {
773 return qlafx00_async_tm_cmd(fcport, TCF_LUN_RESET, l, tag);
774 }
775
776 int
777 qlafx00_loop_reset(scsi_qla_host_t *vha)
778 {
779 int ret;
780 struct fc_port *fcport;
781 struct qla_hw_data *ha = vha->hw;
782
783 if (ql2xtargetreset) {
784 list_for_each_entry(fcport, &vha->vp_fcports, list) {
785 if (fcport->port_type != FCT_TARGET)
786 continue;
787
788 ret = ha->isp_ops->target_reset(fcport, 0, 0);
789 if (ret != QLA_SUCCESS) {
790 ql_dbg(ql_dbg_taskm, vha, 0x803d,
791 "Bus Reset failed: Reset=%d "
792 "d_id=%x.\n", ret, fcport->d_id.b24);
793 }
794 }
795 }
796 return QLA_SUCCESS;
797 }
798
799 int
800 qlafx00_iospace_config(struct qla_hw_data *ha)
801 {
802 if (pci_request_selected_regions(ha->pdev, ha->bars,
803 QLA2XXX_DRIVER_NAME)) {
804 ql_log_pci(ql_log_fatal, ha->pdev, 0x014e,
805 "Failed to reserve PIO/MMIO regions (%s), aborting.\n",
806 pci_name(ha->pdev));
807 goto iospace_error_exit;
808 }
809
810 /* Use MMIO operations for all accesses. */
811 if (!(pci_resource_flags(ha->pdev, 0) & IORESOURCE_MEM)) {
812 ql_log_pci(ql_log_warn, ha->pdev, 0x014f,
813 "Invalid pci I/O region size (%s).\n",
814 pci_name(ha->pdev));
815 goto iospace_error_exit;
816 }
817 if (pci_resource_len(ha->pdev, 0) < BAR0_LEN_FX00) {
818 ql_log_pci(ql_log_warn, ha->pdev, 0x0127,
819 "Invalid PCI mem BAR0 region size (%s), aborting\n",
820 pci_name(ha->pdev));
821 goto iospace_error_exit;
822 }
823
824 ha->cregbase =
825 ioremap_nocache(pci_resource_start(ha->pdev, 0), BAR0_LEN_FX00);
826 if (!ha->cregbase) {
827 ql_log_pci(ql_log_fatal, ha->pdev, 0x0128,
828 "cannot remap MMIO (%s), aborting\n", pci_name(ha->pdev));
829 goto iospace_error_exit;
830 }
831
832 if (!(pci_resource_flags(ha->pdev, 2) & IORESOURCE_MEM)) {
833 ql_log_pci(ql_log_warn, ha->pdev, 0x0129,
834 "region #2 not an MMIO resource (%s), aborting\n",
835 pci_name(ha->pdev));
836 goto iospace_error_exit;
837 }
838 if (pci_resource_len(ha->pdev, 2) < BAR2_LEN_FX00) {
839 ql_log_pci(ql_log_warn, ha->pdev, 0x012a,
840 "Invalid PCI mem BAR2 region size (%s), aborting\n",
841 pci_name(ha->pdev));
842 goto iospace_error_exit;
843 }
844
845 ha->iobase =
846 ioremap_nocache(pci_resource_start(ha->pdev, 2), BAR2_LEN_FX00);
847 if (!ha->iobase) {
848 ql_log_pci(ql_log_fatal, ha->pdev, 0x012b,
849 "cannot remap MMIO (%s), aborting\n", pci_name(ha->pdev));
850 goto iospace_error_exit;
851 }
852
853 /* Determine queue resources */
854 ha->max_req_queues = ha->max_rsp_queues = 1;
855
856 ql_log_pci(ql_log_info, ha->pdev, 0x012c,
857 "Bars 0x%x, iobase0 0x%p, iobase2 0x%p\n",
858 ha->bars, ha->cregbase, ha->iobase);
859
860 return 0;
861
862 iospace_error_exit:
863 return -ENOMEM;
864 }
865
866 static void
867 qlafx00_save_queue_ptrs(struct scsi_qla_host *vha)
868 {
869 struct qla_hw_data *ha = vha->hw;
870 struct req_que *req = ha->req_q_map[0];
871 struct rsp_que *rsp = ha->rsp_q_map[0];
872
873 req->length_fx00 = req->length;
874 req->ring_fx00 = req->ring;
875 req->dma_fx00 = req->dma;
876
877 rsp->length_fx00 = rsp->length;
878 rsp->ring_fx00 = rsp->ring;
879 rsp->dma_fx00 = rsp->dma;
880
881 ql_dbg(ql_dbg_init, vha, 0x012d,
882 "req: %p, ring_fx00: %p, length_fx00: 0x%x,"
883 "req->dma_fx00: 0x%llx\n", req, req->ring_fx00,
884 req->length_fx00, (u64)req->dma_fx00);
885
886 ql_dbg(ql_dbg_init, vha, 0x012e,
887 "rsp: %p, ring_fx00: %p, length_fx00: 0x%x,"
888 "rsp->dma_fx00: 0x%llx\n", rsp, rsp->ring_fx00,
889 rsp->length_fx00, (u64)rsp->dma_fx00);
890 }
891
892 static int
893 qlafx00_config_queues(struct scsi_qla_host *vha)
894 {
895 struct qla_hw_data *ha = vha->hw;
896 struct req_que *req = ha->req_q_map[0];
897 struct rsp_que *rsp = ha->rsp_q_map[0];
898 dma_addr_t bar2_hdl = pci_resource_start(ha->pdev, 2);
899
900 req->length = ha->req_que_len;
901 req->ring = (void *)ha->iobase + ha->req_que_off;
902 req->dma = bar2_hdl + ha->req_que_off;
903 if ((!req->ring) || (req->length == 0)) {
904 ql_log_pci(ql_log_info, ha->pdev, 0x012f,
905 "Unable to allocate memory for req_ring\n");
906 return QLA_FUNCTION_FAILED;
907 }
908
909 ql_dbg(ql_dbg_init, vha, 0x0130,
910 "req: %p req_ring pointer %p req len 0x%x "
911 "req off 0x%x\n, req->dma: 0x%llx",
912 req, req->ring, req->length,
913 ha->req_que_off, (u64)req->dma);
914
915 rsp->length = ha->rsp_que_len;
916 rsp->ring = (void *)ha->iobase + ha->rsp_que_off;
917 rsp->dma = bar2_hdl + ha->rsp_que_off;
918 if ((!rsp->ring) || (rsp->length == 0)) {
919 ql_log_pci(ql_log_info, ha->pdev, 0x0131,
920 "Unable to allocate memory for rsp_ring\n");
921 return QLA_FUNCTION_FAILED;
922 }
923
924 ql_dbg(ql_dbg_init, vha, 0x0132,
925 "rsp: %p rsp_ring pointer %p rsp len 0x%x "
926 "rsp off 0x%x, rsp->dma: 0x%llx\n",
927 rsp, rsp->ring, rsp->length,
928 ha->rsp_que_off, (u64)rsp->dma);
929
930 return QLA_SUCCESS;
931 }
932
933 static int
934 qlafx00_init_fw_ready(scsi_qla_host_t *vha)
935 {
936 int rval = 0;
937 unsigned long wtime;
938 uint16_t wait_time; /* Wait time */
939 struct qla_hw_data *ha = vha->hw;
940 struct device_reg_fx00 __iomem *reg = &ha->iobase->ispfx00;
941 uint32_t aenmbx, aenmbx7 = 0;
942 uint32_t pseudo_aen;
943 uint32_t state[5];
944 bool done = false;
945
946 /* 30 seconds wait - Adjust if required */
947 wait_time = 30;
948
949 pseudo_aen = RD_REG_DWORD(&reg->pseudoaen);
950 if (pseudo_aen == 1) {
951 aenmbx7 = RD_REG_DWORD(&reg->initval7);
952 ha->mbx_intr_code = MSW(aenmbx7);
953 ha->rqstq_intr_code = LSW(aenmbx7);
954 rval = qlafx00_driver_shutdown(vha, 10);
955 if (rval != QLA_SUCCESS)
956 qlafx00_soft_reset(vha);
957 }
958
959 /* wait time before firmware ready */
960 wtime = jiffies + (wait_time * HZ);
961 do {
962 aenmbx = RD_REG_DWORD(&reg->aenmailbox0);
963 barrier();
964 ql_dbg(ql_dbg_mbx, vha, 0x0133,
965 "aenmbx: 0x%x\n", aenmbx);
966
967 switch (aenmbx) {
968 case MBA_FW_NOT_STARTED:
969 case MBA_FW_STARTING:
970 break;
971
972 case MBA_SYSTEM_ERR:
973 case MBA_REQ_TRANSFER_ERR:
974 case MBA_RSP_TRANSFER_ERR:
975 case MBA_FW_INIT_FAILURE:
976 qlafx00_soft_reset(vha);
977 break;
978
979 case MBA_FW_RESTART_CMPLT:
980 /* Set the mbx and rqstq intr code */
981 aenmbx7 = RD_REG_DWORD(&reg->aenmailbox7);
982 ha->mbx_intr_code = MSW(aenmbx7);
983 ha->rqstq_intr_code = LSW(aenmbx7);
984 ha->req_que_off = RD_REG_DWORD(&reg->aenmailbox1);
985 ha->rsp_que_off = RD_REG_DWORD(&reg->aenmailbox3);
986 ha->req_que_len = RD_REG_DWORD(&reg->aenmailbox5);
987 ha->rsp_que_len = RD_REG_DWORD(&reg->aenmailbox6);
988 WRT_REG_DWORD(&reg->aenmailbox0, 0);
989 RD_REG_DWORD_RELAXED(&reg->aenmailbox0);
990 ql_dbg(ql_dbg_init, vha, 0x0134,
991 "f/w returned mbx_intr_code: 0x%x, "
992 "rqstq_intr_code: 0x%x\n",
993 ha->mbx_intr_code, ha->rqstq_intr_code);
994 QLAFX00_CLR_INTR_REG(ha, QLAFX00_HST_INT_STS_BITS);
995 rval = QLA_SUCCESS;
996 done = true;
997 break;
998
999 default:
1000 /* If fw is apparently not ready. In order to continue,
1001 * we might need to issue Mbox cmd, but the problem is
1002 * that the DoorBell vector values that come with the
1003 * 8060 AEN are most likely gone by now (and thus no
1004 * bell would be rung on the fw side when mbox cmd is
1005 * issued). We have to therefore grab the 8060 AEN
1006 * shadow regs (filled in by FW when the last 8060
1007 * AEN was being posted).
1008 * Do the following to determine what is needed in
1009 * order to get the FW ready:
1010 * 1. reload the 8060 AEN values from the shadow regs
1011 * 2. clear int status to get rid of possible pending
1012 * interrupts
1013 * 3. issue Get FW State Mbox cmd to determine fw state
1014 * Set the mbx and rqstq intr code from Shadow Regs
1015 */
1016 aenmbx7 = RD_REG_DWORD(&reg->initval7);
1017 ha->mbx_intr_code = MSW(aenmbx7);
1018 ha->rqstq_intr_code = LSW(aenmbx7);
1019 ha->req_que_off = RD_REG_DWORD(&reg->initval1);
1020 ha->rsp_que_off = RD_REG_DWORD(&reg->initval3);
1021 ha->req_que_len = RD_REG_DWORD(&reg->initval5);
1022 ha->rsp_que_len = RD_REG_DWORD(&reg->initval6);
1023 ql_dbg(ql_dbg_init, vha, 0x0135,
1024 "f/w returned mbx_intr_code: 0x%x, "
1025 "rqstq_intr_code: 0x%x\n",
1026 ha->mbx_intr_code, ha->rqstq_intr_code);
1027 QLAFX00_CLR_INTR_REG(ha, QLAFX00_HST_INT_STS_BITS);
1028
1029 /* Get the FW state */
1030 rval = qlafx00_get_firmware_state(vha, state);
1031 if (rval != QLA_SUCCESS) {
1032 /* Retry if timer has not expired */
1033 break;
1034 }
1035
1036 if (state[0] == FSTATE_FX00_CONFIG_WAIT) {
1037 /* Firmware is waiting to be
1038 * initialized by driver
1039 */
1040 rval = QLA_SUCCESS;
1041 done = true;
1042 break;
1043 }
1044
1045 /* Issue driver shutdown and wait until f/w recovers.
1046 * Driver should continue to poll until 8060 AEN is
1047 * received indicating firmware recovery.
1048 */
1049 ql_dbg(ql_dbg_init, vha, 0x0136,
1050 "Sending Driver shutdown fw_state 0x%x\n",
1051 state[0]);
1052
1053 rval = qlafx00_driver_shutdown(vha, 10);
1054 if (rval != QLA_SUCCESS) {
1055 rval = QLA_FUNCTION_FAILED;
1056 break;
1057 }
1058 msleep(500);
1059
1060 wtime = jiffies + (wait_time * HZ);
1061 break;
1062 }
1063
1064 if (!done) {
1065 if (time_after_eq(jiffies, wtime)) {
1066 ql_dbg(ql_dbg_init, vha, 0x0137,
1067 "Init f/w failed: aen[7]: 0x%x\n",
1068 RD_REG_DWORD(&reg->aenmailbox7));
1069 rval = QLA_FUNCTION_FAILED;
1070 done = true;
1071 break;
1072 }
1073 /* Delay for a while */
1074 msleep(500);
1075 }
1076 } while (!done);
1077
1078 if (rval)
1079 ql_dbg(ql_dbg_init, vha, 0x0138,
1080 "%s **** FAILED ****.\n", __func__);
1081 else
1082 ql_dbg(ql_dbg_init, vha, 0x0139,
1083 "%s **** SUCCESS ****.\n", __func__);
1084
1085 return rval;
1086 }
1087
1088 /*
1089 * qlafx00_fw_ready() - Waits for firmware ready.
1090 * @ha: HA context
1091 *
1092 * Returns 0 on success.
1093 */
1094 int
1095 qlafx00_fw_ready(scsi_qla_host_t *vha)
1096 {
1097 int rval;
1098 unsigned long wtime;
1099 uint16_t wait_time; /* Wait time if loop is coming ready */
1100 uint32_t state[5];
1101
1102 rval = QLA_SUCCESS;
1103
1104 wait_time = 10;
1105
1106 /* wait time before firmware ready */
1107 wtime = jiffies + (wait_time * HZ);
1108
1109 /* Wait for ISP to finish init */
1110 if (!vha->flags.init_done)
1111 ql_dbg(ql_dbg_init, vha, 0x013a,
1112 "Waiting for init to complete...\n");
1113
1114 do {
1115 rval = qlafx00_get_firmware_state(vha, state);
1116
1117 if (rval == QLA_SUCCESS) {
1118 if (state[0] == FSTATE_FX00_INITIALIZED) {
1119 ql_dbg(ql_dbg_init, vha, 0x013b,
1120 "fw_state=%x\n", state[0]);
1121 rval = QLA_SUCCESS;
1122 break;
1123 }
1124 }
1125 rval = QLA_FUNCTION_FAILED;
1126
1127 if (time_after_eq(jiffies, wtime))
1128 break;
1129
1130 /* Delay for a while */
1131 msleep(500);
1132
1133 ql_dbg(ql_dbg_init, vha, 0x013c,
1134 "fw_state=%x curr time=%lx.\n", state[0], jiffies);
1135 } while (1);
1136
1137
1138 if (rval)
1139 ql_dbg(ql_dbg_init, vha, 0x013d,
1140 "Firmware ready **** FAILED ****.\n");
1141 else
1142 ql_dbg(ql_dbg_init, vha, 0x013e,
1143 "Firmware ready **** SUCCESS ****.\n");
1144
1145 return rval;
1146 }
1147
1148 static int
1149 qlafx00_find_all_targets(scsi_qla_host_t *vha,
1150 struct list_head *new_fcports)
1151 {
1152 int rval;
1153 uint16_t tgt_id;
1154 fc_port_t *fcport, *new_fcport;
1155 int found;
1156 struct qla_hw_data *ha = vha->hw;
1157
1158 rval = QLA_SUCCESS;
1159
1160 if (!test_bit(LOOP_RESYNC_ACTIVE, &vha->dpc_flags))
1161 return QLA_FUNCTION_FAILED;
1162
1163 if ((atomic_read(&vha->loop_down_timer) ||
1164 STATE_TRANSITION(vha))) {
1165 atomic_set(&vha->loop_down_timer, 0);
1166 set_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags);
1167 return QLA_FUNCTION_FAILED;
1168 }
1169
1170 ql_dbg(ql_dbg_disc + ql_dbg_init, vha, 0x2088,
1171 "Listing Target bit map...\n");
1172 ql_dump_buffer(ql_dbg_disc + ql_dbg_init, vha,
1173 0x2089, (uint8_t *)ha->gid_list, 32);
1174
1175 /* Allocate temporary rmtport for any new rmtports discovered. */
1176 new_fcport = qla2x00_alloc_fcport(vha, GFP_KERNEL);
1177 if (new_fcport == NULL)
1178 return QLA_MEMORY_ALLOC_FAILED;
1179
1180 for_each_set_bit(tgt_id, (void *)ha->gid_list,
1181 QLAFX00_TGT_NODE_LIST_SIZE) {
1182
1183 /* Send get target node info */
1184 new_fcport->tgt_id = tgt_id;
1185 rval = qlafx00_fx_disc(vha, new_fcport,
1186 FXDISC_GET_TGT_NODE_INFO);
1187 if (rval != QLA_SUCCESS) {
1188 ql_log(ql_log_warn, vha, 0x208a,
1189 "Target info scan failed -- assuming zero-entry "
1190 "result...\n");
1191 continue;
1192 }
1193
1194 /* Locate matching device in database. */
1195 found = 0;
1196 list_for_each_entry(fcport, &vha->vp_fcports, list) {
1197 if (memcmp(new_fcport->port_name,
1198 fcport->port_name, WWN_SIZE))
1199 continue;
1200
1201 found++;
1202
1203 /*
1204 * If tgt_id is same and state FCS_ONLINE, nothing
1205 * changed.
1206 */
1207 if (fcport->tgt_id == new_fcport->tgt_id &&
1208 atomic_read(&fcport->state) == FCS_ONLINE)
1209 break;
1210
1211 /*
1212 * Tgt ID changed or device was marked to be updated.
1213 */
1214 ql_dbg(ql_dbg_disc + ql_dbg_init, vha, 0x208b,
1215 "TGT-ID Change(%s): Present tgt id: "
1216 "0x%x state: 0x%x "
1217 "wwnn = %llx wwpn = %llx.\n",
1218 __func__, fcport->tgt_id,
1219 atomic_read(&fcport->state),
1220 (unsigned long long)wwn_to_u64(fcport->node_name),
1221 (unsigned long long)wwn_to_u64(fcport->port_name));
1222
1223 ql_log(ql_log_info, vha, 0x208c,
1224 "TGT-ID Announce(%s): Discovered tgt "
1225 "id 0x%x wwnn = %llx "
1226 "wwpn = %llx.\n", __func__, new_fcport->tgt_id,
1227 (unsigned long long)
1228 wwn_to_u64(new_fcport->node_name),
1229 (unsigned long long)
1230 wwn_to_u64(new_fcport->port_name));
1231
1232 if (atomic_read(&fcport->state) != FCS_ONLINE) {
1233 fcport->old_tgt_id = fcport->tgt_id;
1234 fcport->tgt_id = new_fcport->tgt_id;
1235 ql_log(ql_log_info, vha, 0x208d,
1236 "TGT-ID: New fcport Added: %p\n", fcport);
1237 qla2x00_update_fcport(vha, fcport);
1238 } else {
1239 ql_log(ql_log_info, vha, 0x208e,
1240 " Existing TGT-ID %x did not get "
1241 " offline event from firmware.\n",
1242 fcport->old_tgt_id);
1243 qla2x00_mark_device_lost(vha, fcport, 0, 0);
1244 set_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags);
1245 kfree(new_fcport);
1246 return rval;
1247 }
1248 break;
1249 }
1250
1251 if (found)
1252 continue;
1253
1254 /* If device was not in our fcports list, then add it. */
1255 list_add_tail(&new_fcport->list, new_fcports);
1256
1257 /* Allocate a new replacement fcport. */
1258 new_fcport = qla2x00_alloc_fcport(vha, GFP_KERNEL);
1259 if (new_fcport == NULL)
1260 return QLA_MEMORY_ALLOC_FAILED;
1261 }
1262
1263 kfree(new_fcport);
1264 return rval;
1265 }
1266
1267 /*
1268 * qlafx00_configure_all_targets
1269 * Setup target devices with node ID's.
1270 *
1271 * Input:
1272 * ha = adapter block pointer.
1273 *
1274 * Returns:
1275 * 0 = success.
1276 * BIT_0 = error
1277 */
1278 static int
1279 qlafx00_configure_all_targets(scsi_qla_host_t *vha)
1280 {
1281 int rval;
1282 fc_port_t *fcport, *rmptemp;
1283 LIST_HEAD(new_fcports);
1284
1285 rval = qlafx00_fx_disc(vha, &vha->hw->mr.fcport,
1286 FXDISC_GET_TGT_NODE_LIST);
1287 if (rval != QLA_SUCCESS) {
1288 set_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags);
1289 return rval;
1290 }
1291
1292 rval = qlafx00_find_all_targets(vha, &new_fcports);
1293 if (rval != QLA_SUCCESS) {
1294 set_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags);
1295 return rval;
1296 }
1297
1298 /*
1299 * Delete all previous devices marked lost.
1300 */
1301 list_for_each_entry(fcport, &vha->vp_fcports, list) {
1302 if (test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags))
1303 break;
1304
1305 if (atomic_read(&fcport->state) == FCS_DEVICE_LOST) {
1306 if (fcport->port_type != FCT_INITIATOR)
1307 qla2x00_mark_device_lost(vha, fcport, 0, 0);
1308 }
1309 }
1310
1311 /*
1312 * Add the new devices to our devices list.
1313 */
1314 list_for_each_entry_safe(fcport, rmptemp, &new_fcports, list) {
1315 if (test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags))
1316 break;
1317
1318 qla2x00_update_fcport(vha, fcport);
1319 list_move_tail(&fcport->list, &vha->vp_fcports);
1320 ql_log(ql_log_info, vha, 0x208f,
1321 "Attach new target id 0x%x wwnn = %llx "
1322 "wwpn = %llx.\n",
1323 fcport->tgt_id,
1324 (unsigned long long)wwn_to_u64(fcport->node_name),
1325 (unsigned long long)wwn_to_u64(fcport->port_name));
1326 }
1327
1328 /* Free all new device structures not processed. */
1329 list_for_each_entry_safe(fcport, rmptemp, &new_fcports, list) {
1330 list_del(&fcport->list);
1331 kfree(fcport);
1332 }
1333
1334 return rval;
1335 }
1336
1337 /*
1338 * qlafx00_configure_devices
1339 * Updates Fibre Channel Device Database with what is actually on loop.
1340 *
1341 * Input:
1342 * ha = adapter block pointer.
1343 *
1344 * Returns:
1345 * 0 = success.
1346 * 1 = error.
1347 * 2 = database was full and device was not configured.
1348 */
1349 int
1350 qlafx00_configure_devices(scsi_qla_host_t *vha)
1351 {
1352 int rval;
1353 unsigned long flags, save_flags;
1354 rval = QLA_SUCCESS;
1355
1356 save_flags = flags = vha->dpc_flags;
1357
1358 ql_dbg(ql_dbg_disc, vha, 0x2090,
1359 "Configure devices -- dpc flags =0x%lx\n", flags);
1360
1361 rval = qlafx00_configure_all_targets(vha);
1362
1363 if (rval == QLA_SUCCESS) {
1364 if (test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags)) {
1365 rval = QLA_FUNCTION_FAILED;
1366 } else {
1367 atomic_set(&vha->loop_state, LOOP_READY);
1368 ql_log(ql_log_info, vha, 0x2091,
1369 "Device Ready\n");
1370 }
1371 }
1372
1373 if (rval) {
1374 ql_dbg(ql_dbg_disc, vha, 0x2092,
1375 "%s *** FAILED ***.\n", __func__);
1376 } else {
1377 ql_dbg(ql_dbg_disc, vha, 0x2093,
1378 "%s: exiting normally.\n", __func__);
1379 }
1380 return rval;
1381 }
1382
1383 static void
1384 qlafx00_abort_isp_cleanup(scsi_qla_host_t *vha, bool critemp)
1385 {
1386 struct qla_hw_data *ha = vha->hw;
1387 fc_port_t *fcport;
1388
1389 vha->flags.online = 0;
1390 ha->mr.fw_hbt_en = 0;
1391
1392 if (!critemp) {
1393 ha->flags.chip_reset_done = 0;
1394 clear_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
1395 vha->qla_stats.total_isp_aborts++;
1396 ql_log(ql_log_info, vha, 0x013f,
1397 "Performing ISP error recovery - ha = %p.\n", ha);
1398 ha->isp_ops->reset_chip(vha);
1399 }
1400
1401 if (atomic_read(&vha->loop_state) != LOOP_DOWN) {
1402 atomic_set(&vha->loop_state, LOOP_DOWN);
1403 atomic_set(&vha->loop_down_timer,
1404 QLAFX00_LOOP_DOWN_TIME);
1405 } else {
1406 if (!atomic_read(&vha->loop_down_timer))
1407 atomic_set(&vha->loop_down_timer,
1408 QLAFX00_LOOP_DOWN_TIME);
1409 }
1410
1411 /* Clear all async request states across all VPs. */
1412 list_for_each_entry(fcport, &vha->vp_fcports, list) {
1413 fcport->flags = 0;
1414 if (atomic_read(&fcport->state) == FCS_ONLINE)
1415 qla2x00_set_fcport_state(fcport, FCS_DEVICE_LOST);
1416 }
1417
1418 if (!ha->flags.eeh_busy) {
1419 if (critemp) {
1420 qla2x00_abort_all_cmds(vha, DID_NO_CONNECT << 16);
1421 } else {
1422 /* Requeue all commands in outstanding command list. */
1423 qla2x00_abort_all_cmds(vha, DID_RESET << 16);
1424 }
1425 }
1426
1427 qla2x00_free_irqs(vha);
1428 if (critemp)
1429 set_bit(FX00_CRITEMP_RECOVERY, &vha->dpc_flags);
1430 else
1431 set_bit(FX00_RESET_RECOVERY, &vha->dpc_flags);
1432
1433 /* Clear the Interrupts */
1434 QLAFX00_CLR_INTR_REG(ha, QLAFX00_HST_INT_STS_BITS);
1435
1436 ql_log(ql_log_info, vha, 0x0140,
1437 "%s Done done - ha=%p.\n", __func__, ha);
1438 }
1439
1440 /**
1441 * qlafx00_init_response_q_entries() - Initializes response queue entries.
1442 * @ha: HA context
1443 *
1444 * Beginning of request ring has initialization control block already built
1445 * by nvram config routine.
1446 *
1447 * Returns 0 on success.
1448 */
1449 void
1450 qlafx00_init_response_q_entries(struct rsp_que *rsp)
1451 {
1452 uint16_t cnt;
1453 response_t *pkt;
1454
1455 rsp->ring_ptr = rsp->ring;
1456 rsp->ring_index = 0;
1457 rsp->status_srb = NULL;
1458 pkt = rsp->ring_ptr;
1459 for (cnt = 0; cnt < rsp->length; cnt++) {
1460 pkt->signature = RESPONSE_PROCESSED;
1461 WRT_REG_DWORD((void __iomem *)&pkt->signature,
1462 RESPONSE_PROCESSED);
1463 pkt++;
1464 }
1465 }
1466
1467 int
1468 qlafx00_rescan_isp(scsi_qla_host_t *vha)
1469 {
1470 uint32_t status = QLA_FUNCTION_FAILED;
1471 struct qla_hw_data *ha = vha->hw;
1472 struct device_reg_fx00 __iomem *reg = &ha->iobase->ispfx00;
1473 uint32_t aenmbx7;
1474
1475 qla2x00_request_irqs(ha, ha->rsp_q_map[0]);
1476
1477 aenmbx7 = RD_REG_DWORD(&reg->aenmailbox7);
1478 ha->mbx_intr_code = MSW(aenmbx7);
1479 ha->rqstq_intr_code = LSW(aenmbx7);
1480 ha->req_que_off = RD_REG_DWORD(&reg->aenmailbox1);
1481 ha->rsp_que_off = RD_REG_DWORD(&reg->aenmailbox3);
1482 ha->req_que_len = RD_REG_DWORD(&reg->aenmailbox5);
1483 ha->rsp_que_len = RD_REG_DWORD(&reg->aenmailbox6);
1484
1485 ql_dbg(ql_dbg_disc, vha, 0x2094,
1486 "fw returned mbx_intr_code: 0x%x, rqstq_intr_code: 0x%x "
1487 " Req que offset 0x%x Rsp que offset 0x%x\n",
1488 ha->mbx_intr_code, ha->rqstq_intr_code,
1489 ha->req_que_off, ha->rsp_que_len);
1490
1491 /* Clear the Interrupts */
1492 QLAFX00_CLR_INTR_REG(ha, QLAFX00_HST_INT_STS_BITS);
1493
1494 status = qla2x00_init_rings(vha);
1495 if (!status) {
1496 vha->flags.online = 1;
1497
1498 /* if no cable then assume it's good */
1499 if ((vha->device_flags & DFLG_NO_CABLE))
1500 status = 0;
1501 /* Register system information */
1502 if (qlafx00_fx_disc(vha,
1503 &vha->hw->mr.fcport, FXDISC_REG_HOST_INFO))
1504 ql_dbg(ql_dbg_disc, vha, 0x2095,
1505 "failed to register host info\n");
1506 }
1507 scsi_unblock_requests(vha->host);
1508 return status;
1509 }
1510
1511 void
1512 qlafx00_timer_routine(scsi_qla_host_t *vha)
1513 {
1514 struct qla_hw_data *ha = vha->hw;
1515 uint32_t fw_heart_beat;
1516 uint32_t aenmbx0;
1517 struct device_reg_fx00 __iomem *reg = &ha->iobase->ispfx00;
1518 uint32_t tempc;
1519
1520 /* Check firmware health */
1521 if (ha->mr.fw_hbt_cnt)
1522 ha->mr.fw_hbt_cnt--;
1523 else {
1524 if ((!ha->flags.mr_reset_hdlr_active) &&
1525 (!test_bit(UNLOADING, &vha->dpc_flags)) &&
1526 (!test_bit(ABORT_ISP_ACTIVE, &vha->dpc_flags)) &&
1527 (ha->mr.fw_hbt_en)) {
1528 fw_heart_beat = RD_REG_DWORD(&reg->fwheartbeat);
1529 if (fw_heart_beat != ha->mr.old_fw_hbt_cnt) {
1530 ha->mr.old_fw_hbt_cnt = fw_heart_beat;
1531 ha->mr.fw_hbt_miss_cnt = 0;
1532 } else {
1533 ha->mr.fw_hbt_miss_cnt++;
1534 if (ha->mr.fw_hbt_miss_cnt ==
1535 QLAFX00_HEARTBEAT_MISS_CNT) {
1536 set_bit(ISP_ABORT_NEEDED,
1537 &vha->dpc_flags);
1538 qla2xxx_wake_dpc(vha);
1539 ha->mr.fw_hbt_miss_cnt = 0;
1540 }
1541 }
1542 }
1543 ha->mr.fw_hbt_cnt = QLAFX00_HEARTBEAT_INTERVAL;
1544 }
1545
1546 if (test_bit(FX00_RESET_RECOVERY, &vha->dpc_flags)) {
1547 /* Reset recovery to be performed in timer routine */
1548 aenmbx0 = RD_REG_DWORD(&reg->aenmailbox0);
1549 if (ha->mr.fw_reset_timer_exp) {
1550 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
1551 qla2xxx_wake_dpc(vha);
1552 ha->mr.fw_reset_timer_exp = 0;
1553 } else if (aenmbx0 == MBA_FW_RESTART_CMPLT) {
1554 /* Wake up DPC to rescan the targets */
1555 set_bit(FX00_TARGET_SCAN, &vha->dpc_flags);
1556 clear_bit(FX00_RESET_RECOVERY, &vha->dpc_flags);
1557 qla2xxx_wake_dpc(vha);
1558 ha->mr.fw_reset_timer_tick = QLAFX00_RESET_INTERVAL;
1559 } else if ((aenmbx0 == MBA_FW_STARTING) &&
1560 (!ha->mr.fw_hbt_en)) {
1561 ha->mr.fw_hbt_en = 1;
1562 } else if (!ha->mr.fw_reset_timer_tick) {
1563 if (aenmbx0 == ha->mr.old_aenmbx0_state)
1564 ha->mr.fw_reset_timer_exp = 1;
1565 ha->mr.fw_reset_timer_tick = QLAFX00_RESET_INTERVAL;
1566 } else if (aenmbx0 == 0xFFFFFFFF) {
1567 uint32_t data0, data1;
1568
1569 data0 = QLAFX00_RD_REG(ha,
1570 QLAFX00_BAR1_BASE_ADDR_REG);
1571 data1 = QLAFX00_RD_REG(ha,
1572 QLAFX00_PEX0_WIN0_BASE_ADDR_REG);
1573
1574 data0 &= 0xffff0000;
1575 data1 &= 0x0000ffff;
1576
1577 QLAFX00_WR_REG(ha,
1578 QLAFX00_PEX0_WIN0_BASE_ADDR_REG,
1579 (data0 | data1));
1580 } else if ((aenmbx0 & 0xFF00) == MBA_FW_POLL_STATE) {
1581 ha->mr.fw_reset_timer_tick =
1582 QLAFX00_MAX_RESET_INTERVAL;
1583 } else if (aenmbx0 == MBA_FW_RESET_FCT) {
1584 ha->mr.fw_reset_timer_tick =
1585 QLAFX00_MAX_RESET_INTERVAL;
1586 }
1587 ha->mr.old_aenmbx0_state = aenmbx0;
1588 ha->mr.fw_reset_timer_tick--;
1589 }
1590 if (test_bit(FX00_CRITEMP_RECOVERY, &vha->dpc_flags)) {
1591 /*
1592 * Critical temperature recovery to be
1593 * performed in timer routine
1594 */
1595 if (ha->mr.fw_critemp_timer_tick == 0) {
1596 tempc = QLAFX00_GET_TEMPERATURE(ha);
1597 ql_dbg(ql_dbg_timer, vha, 0x6012,
1598 "ISPFx00(%s): Critical temp timer, "
1599 "current SOC temperature: %d\n",
1600 __func__, tempc);
1601 if (tempc < ha->mr.critical_temperature) {
1602 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
1603 clear_bit(FX00_CRITEMP_RECOVERY,
1604 &vha->dpc_flags);
1605 qla2xxx_wake_dpc(vha);
1606 }
1607 ha->mr.fw_critemp_timer_tick =
1608 QLAFX00_CRITEMP_INTERVAL;
1609 } else {
1610 ha->mr.fw_critemp_timer_tick--;
1611 }
1612 }
1613 if (ha->mr.host_info_resend) {
1614 /*
1615 * Incomplete host info might be sent to firmware
1616 * durinng system boot - info should be resend
1617 */
1618 if (ha->mr.hinfo_resend_timer_tick == 0) {
1619 ha->mr.host_info_resend = false;
1620 set_bit(FX00_HOST_INFO_RESEND, &vha->dpc_flags);
1621 ha->mr.hinfo_resend_timer_tick =
1622 QLAFX00_HINFO_RESEND_INTERVAL;
1623 qla2xxx_wake_dpc(vha);
1624 } else {
1625 ha->mr.hinfo_resend_timer_tick--;
1626 }
1627 }
1628
1629 }
1630
1631 /*
1632 * qlfx00a_reset_initialize
1633 * Re-initialize after a iSA device reset.
1634 *
1635 * Input:
1636 * ha = adapter block pointer.
1637 *
1638 * Returns:
1639 * 0 = success
1640 */
1641 int
1642 qlafx00_reset_initialize(scsi_qla_host_t *vha)
1643 {
1644 struct qla_hw_data *ha = vha->hw;
1645
1646 if (vha->device_flags & DFLG_DEV_FAILED) {
1647 ql_dbg(ql_dbg_init, vha, 0x0142,
1648 "Device in failed state\n");
1649 return QLA_SUCCESS;
1650 }
1651
1652 ha->flags.mr_reset_hdlr_active = 1;
1653
1654 if (vha->flags.online) {
1655 scsi_block_requests(vha->host);
1656 qlafx00_abort_isp_cleanup(vha, false);
1657 }
1658
1659 ql_log(ql_log_info, vha, 0x0143,
1660 "(%s): succeeded.\n", __func__);
1661 ha->flags.mr_reset_hdlr_active = 0;
1662 return QLA_SUCCESS;
1663 }
1664
1665 /*
1666 * qlafx00_abort_isp
1667 * Resets ISP and aborts all outstanding commands.
1668 *
1669 * Input:
1670 * ha = adapter block pointer.
1671 *
1672 * Returns:
1673 * 0 = success
1674 */
1675 int
1676 qlafx00_abort_isp(scsi_qla_host_t *vha)
1677 {
1678 struct qla_hw_data *ha = vha->hw;
1679
1680 if (vha->flags.online) {
1681 if (unlikely(pci_channel_offline(ha->pdev) &&
1682 ha->flags.pci_channel_io_perm_failure)) {
1683 clear_bit(ISP_ABORT_RETRY, &vha->dpc_flags);
1684 return QLA_SUCCESS;
1685 }
1686
1687 scsi_block_requests(vha->host);
1688 qlafx00_abort_isp_cleanup(vha, false);
1689 } else {
1690 scsi_block_requests(vha->host);
1691 clear_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
1692 vha->qla_stats.total_isp_aborts++;
1693 ha->isp_ops->reset_chip(vha);
1694 set_bit(FX00_RESET_RECOVERY, &vha->dpc_flags);
1695 /* Clear the Interrupts */
1696 QLAFX00_CLR_INTR_REG(ha, QLAFX00_HST_INT_STS_BITS);
1697 }
1698
1699 ql_log(ql_log_info, vha, 0x0145,
1700 "(%s): succeeded.\n", __func__);
1701
1702 return QLA_SUCCESS;
1703 }
1704
1705 static inline fc_port_t*
1706 qlafx00_get_fcport(struct scsi_qla_host *vha, int tgt_id)
1707 {
1708 fc_port_t *fcport;
1709
1710 /* Check for matching device in remote port list. */
1711 fcport = NULL;
1712 list_for_each_entry(fcport, &vha->vp_fcports, list) {
1713 if (fcport->tgt_id == tgt_id) {
1714 ql_dbg(ql_dbg_async, vha, 0x5072,
1715 "Matching fcport(%p) found with TGT-ID: 0x%x "
1716 "and Remote TGT_ID: 0x%x\n",
1717 fcport, fcport->tgt_id, tgt_id);
1718 break;
1719 }
1720 }
1721 return fcport;
1722 }
1723
1724 static void
1725 qlafx00_tgt_detach(struct scsi_qla_host *vha, int tgt_id)
1726 {
1727 fc_port_t *fcport;
1728
1729 ql_log(ql_log_info, vha, 0x5073,
1730 "Detach TGT-ID: 0x%x\n", tgt_id);
1731
1732 fcport = qlafx00_get_fcport(vha, tgt_id);
1733 if (!fcport)
1734 return;
1735
1736 qla2x00_mark_device_lost(vha, fcport, 0, 0);
1737
1738 return;
1739 }
1740
1741 int
1742 qlafx00_process_aen(struct scsi_qla_host *vha, struct qla_work_evt *evt)
1743 {
1744 int rval = 0;
1745 uint32_t aen_code, aen_data;
1746
1747 aen_code = FCH_EVT_VENDOR_UNIQUE;
1748 aen_data = evt->u.aenfx.evtcode;
1749
1750 switch (evt->u.aenfx.evtcode) {
1751 case QLAFX00_MBA_PORT_UPDATE: /* Port database update */
1752 if (evt->u.aenfx.mbx[1] == 0) {
1753 if (evt->u.aenfx.mbx[2] == 1) {
1754 if (!vha->flags.fw_tgt_reported)
1755 vha->flags.fw_tgt_reported = 1;
1756 atomic_set(&vha->loop_down_timer, 0);
1757 atomic_set(&vha->loop_state, LOOP_UP);
1758 set_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags);
1759 qla2xxx_wake_dpc(vha);
1760 } else if (evt->u.aenfx.mbx[2] == 2) {
1761 qlafx00_tgt_detach(vha, evt->u.aenfx.mbx[3]);
1762 }
1763 } else if (evt->u.aenfx.mbx[1] == 0xffff) {
1764 if (evt->u.aenfx.mbx[2] == 1) {
1765 if (!vha->flags.fw_tgt_reported)
1766 vha->flags.fw_tgt_reported = 1;
1767 set_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags);
1768 } else if (evt->u.aenfx.mbx[2] == 2) {
1769 vha->device_flags |= DFLG_NO_CABLE;
1770 qla2x00_mark_all_devices_lost(vha, 1);
1771 }
1772 }
1773 break;
1774 case QLAFX00_MBA_LINK_UP:
1775 aen_code = FCH_EVT_LINKUP;
1776 aen_data = 0;
1777 break;
1778 case QLAFX00_MBA_LINK_DOWN:
1779 aen_code = FCH_EVT_LINKDOWN;
1780 aen_data = 0;
1781 break;
1782 case QLAFX00_MBA_TEMP_CRIT: /* Critical temperature event */
1783 ql_log(ql_log_info, vha, 0x5082,
1784 "Process critical temperature event "
1785 "aenmb[0]: %x\n",
1786 evt->u.aenfx.evtcode);
1787 scsi_block_requests(vha->host);
1788 qlafx00_abort_isp_cleanup(vha, true);
1789 scsi_unblock_requests(vha->host);
1790 break;
1791 }
1792
1793 fc_host_post_event(vha->host, fc_get_event_number(),
1794 aen_code, aen_data);
1795
1796 return rval;
1797 }
1798
1799 static void
1800 qlafx00_update_host_attr(scsi_qla_host_t *vha, struct port_info_data *pinfo)
1801 {
1802 u64 port_name = 0, node_name = 0;
1803
1804 port_name = (unsigned long long)wwn_to_u64(pinfo->port_name);
1805 node_name = (unsigned long long)wwn_to_u64(pinfo->node_name);
1806
1807 fc_host_node_name(vha->host) = node_name;
1808 fc_host_port_name(vha->host) = port_name;
1809 if (!pinfo->port_type)
1810 vha->hw->current_topology = ISP_CFG_F;
1811 if (pinfo->link_status == QLAFX00_LINK_STATUS_UP)
1812 atomic_set(&vha->loop_state, LOOP_READY);
1813 else if (pinfo->link_status == QLAFX00_LINK_STATUS_DOWN)
1814 atomic_set(&vha->loop_state, LOOP_DOWN);
1815 vha->hw->link_data_rate = (uint16_t)pinfo->link_config;
1816 }
1817
1818 static void
1819 qla2x00_fxdisc_iocb_timeout(void *data)
1820 {
1821 srb_t *sp = (srb_t *)data;
1822 struct srb_iocb *lio = &sp->u.iocb_cmd;
1823
1824 complete(&lio->u.fxiocb.fxiocb_comp);
1825 }
1826
1827 static void
1828 qla2x00_fxdisc_sp_done(void *data, void *ptr, int res)
1829 {
1830 srb_t *sp = (srb_t *)ptr;
1831 struct srb_iocb *lio = &sp->u.iocb_cmd;
1832
1833 complete(&lio->u.fxiocb.fxiocb_comp);
1834 }
1835
1836 int
1837 qlafx00_fx_disc(scsi_qla_host_t *vha, fc_port_t *fcport, uint16_t fx_type)
1838 {
1839 srb_t *sp;
1840 struct srb_iocb *fdisc;
1841 int rval = QLA_FUNCTION_FAILED;
1842 struct qla_hw_data *ha = vha->hw;
1843 struct host_system_info *phost_info;
1844 struct register_host_info *preg_hsi;
1845 struct new_utsname *p_sysid = NULL;
1846 struct timeval tv;
1847
1848 sp = qla2x00_get_sp(vha, fcport, GFP_KERNEL);
1849 if (!sp)
1850 goto done;
1851
1852 fdisc = &sp->u.iocb_cmd;
1853 switch (fx_type) {
1854 case FXDISC_GET_CONFIG_INFO:
1855 fdisc->u.fxiocb.flags =
1856 SRB_FXDISC_RESP_DMA_VALID;
1857 fdisc->u.fxiocb.rsp_len = sizeof(struct config_info_data);
1858 break;
1859 case FXDISC_GET_PORT_INFO:
1860 fdisc->u.fxiocb.flags =
1861 SRB_FXDISC_RESP_DMA_VALID | SRB_FXDISC_REQ_DWRD_VALID;
1862 fdisc->u.fxiocb.rsp_len = QLAFX00_PORT_DATA_INFO;
1863 fdisc->u.fxiocb.req_data = cpu_to_le32(fcport->port_id);
1864 break;
1865 case FXDISC_GET_TGT_NODE_INFO:
1866 fdisc->u.fxiocb.flags =
1867 SRB_FXDISC_RESP_DMA_VALID | SRB_FXDISC_REQ_DWRD_VALID;
1868 fdisc->u.fxiocb.rsp_len = QLAFX00_TGT_NODE_INFO;
1869 fdisc->u.fxiocb.req_data = cpu_to_le32(fcport->tgt_id);
1870 break;
1871 case FXDISC_GET_TGT_NODE_LIST:
1872 fdisc->u.fxiocb.flags =
1873 SRB_FXDISC_RESP_DMA_VALID | SRB_FXDISC_REQ_DWRD_VALID;
1874 fdisc->u.fxiocb.rsp_len = QLAFX00_TGT_NODE_LIST_SIZE;
1875 break;
1876 case FXDISC_REG_HOST_INFO:
1877 fdisc->u.fxiocb.flags = SRB_FXDISC_REQ_DMA_VALID;
1878 fdisc->u.fxiocb.req_len = sizeof(struct register_host_info);
1879 p_sysid = utsname();
1880 if (!p_sysid) {
1881 ql_log(ql_log_warn, vha, 0x303c,
1882 "Not able to get the system information\n");
1883 goto done_free_sp;
1884 }
1885 break;
1886 case FXDISC_ABORT_IOCTL:
1887 default:
1888 break;
1889 }
1890
1891 if (fdisc->u.fxiocb.flags & SRB_FXDISC_REQ_DMA_VALID) {
1892 fdisc->u.fxiocb.req_addr = dma_alloc_coherent(&ha->pdev->dev,
1893 fdisc->u.fxiocb.req_len,
1894 &fdisc->u.fxiocb.req_dma_handle, GFP_KERNEL);
1895 if (!fdisc->u.fxiocb.req_addr)
1896 goto done_free_sp;
1897
1898 if (fx_type == FXDISC_REG_HOST_INFO) {
1899 preg_hsi = (struct register_host_info *)
1900 fdisc->u.fxiocb.req_addr;
1901 phost_info = &preg_hsi->hsi;
1902 memset(preg_hsi, 0, sizeof(struct register_host_info));
1903 phost_info->os_type = OS_TYPE_LINUX;
1904 strncpy(phost_info->sysname,
1905 p_sysid->sysname, SYSNAME_LENGTH);
1906 strncpy(phost_info->nodename,
1907 p_sysid->nodename, NODENAME_LENGTH);
1908 if (!strcmp(phost_info->nodename, "(none)"))
1909 ha->mr.host_info_resend = true;
1910 strncpy(phost_info->release,
1911 p_sysid->release, RELEASE_LENGTH);
1912 strncpy(phost_info->version,
1913 p_sysid->version, VERSION_LENGTH);
1914 strncpy(phost_info->machine,
1915 p_sysid->machine, MACHINE_LENGTH);
1916 strncpy(phost_info->domainname,
1917 p_sysid->domainname, DOMNAME_LENGTH);
1918 strncpy(phost_info->hostdriver,
1919 QLA2XXX_VERSION, VERSION_LENGTH);
1920 do_gettimeofday(&tv);
1921 preg_hsi->utc = (uint64_t)tv.tv_sec;
1922 ql_dbg(ql_dbg_init, vha, 0x0149,
1923 "ISP%04X: Host registration with firmware\n",
1924 ha->pdev->device);
1925 ql_dbg(ql_dbg_init, vha, 0x014a,
1926 "os_type = '%d', sysname = '%s', nodname = '%s'\n",
1927 phost_info->os_type,
1928 phost_info->sysname,
1929 phost_info->nodename);
1930 ql_dbg(ql_dbg_init, vha, 0x014b,
1931 "release = '%s', version = '%s'\n",
1932 phost_info->release,
1933 phost_info->version);
1934 ql_dbg(ql_dbg_init, vha, 0x014c,
1935 "machine = '%s' "
1936 "domainname = '%s', hostdriver = '%s'\n",
1937 phost_info->machine,
1938 phost_info->domainname,
1939 phost_info->hostdriver);
1940 ql_dump_buffer(ql_dbg_init + ql_dbg_disc, vha, 0x014d,
1941 (uint8_t *)phost_info,
1942 sizeof(struct host_system_info));
1943 }
1944 }
1945
1946 if (fdisc->u.fxiocb.flags & SRB_FXDISC_RESP_DMA_VALID) {
1947 fdisc->u.fxiocb.rsp_addr = dma_alloc_coherent(&ha->pdev->dev,
1948 fdisc->u.fxiocb.rsp_len,
1949 &fdisc->u.fxiocb.rsp_dma_handle, GFP_KERNEL);
1950 if (!fdisc->u.fxiocb.rsp_addr)
1951 goto done_unmap_req;
1952 }
1953
1954 sp->type = SRB_FXIOCB_DCMD;
1955 sp->name = "fxdisc";
1956 qla2x00_init_timer(sp, FXDISC_TIMEOUT);
1957 fdisc->timeout = qla2x00_fxdisc_iocb_timeout;
1958 fdisc->u.fxiocb.req_func_type = cpu_to_le16(fx_type);
1959 sp->done = qla2x00_fxdisc_sp_done;
1960
1961 rval = qla2x00_start_sp(sp);
1962 if (rval != QLA_SUCCESS)
1963 goto done_unmap_dma;
1964
1965 wait_for_completion(&fdisc->u.fxiocb.fxiocb_comp);
1966
1967 if (fx_type == FXDISC_GET_CONFIG_INFO) {
1968 struct config_info_data *pinfo =
1969 (struct config_info_data *) fdisc->u.fxiocb.rsp_addr;
1970 strcpy(vha->hw->model_number, pinfo->model_num);
1971 strcpy(vha->hw->model_desc, pinfo->model_description);
1972 memcpy(&vha->hw->mr.symbolic_name, pinfo->symbolic_name,
1973 sizeof(vha->hw->mr.symbolic_name));
1974 memcpy(&vha->hw->mr.serial_num, pinfo->serial_num,
1975 sizeof(vha->hw->mr.serial_num));
1976 memcpy(&vha->hw->mr.hw_version, pinfo->hw_version,
1977 sizeof(vha->hw->mr.hw_version));
1978 memcpy(&vha->hw->mr.fw_version, pinfo->fw_version,
1979 sizeof(vha->hw->mr.fw_version));
1980 strim(vha->hw->mr.fw_version);
1981 memcpy(&vha->hw->mr.uboot_version, pinfo->uboot_version,
1982 sizeof(vha->hw->mr.uboot_version));
1983 memcpy(&vha->hw->mr.fru_serial_num, pinfo->fru_serial_num,
1984 sizeof(vha->hw->mr.fru_serial_num));
1985 vha->hw->mr.critical_temperature =
1986 (pinfo->nominal_temp_value) ?
1987 pinfo->nominal_temp_value : QLAFX00_CRITEMP_THRSHLD;
1988 ha->mr.extended_io_enabled = (pinfo->enabled_capabilities &
1989 QLAFX00_EXTENDED_IO_EN_MASK) != 0;
1990 } else if (fx_type == FXDISC_GET_PORT_INFO) {
1991 struct port_info_data *pinfo =
1992 (struct port_info_data *) fdisc->u.fxiocb.rsp_addr;
1993 memcpy(vha->node_name, pinfo->node_name, WWN_SIZE);
1994 memcpy(vha->port_name, pinfo->port_name, WWN_SIZE);
1995 vha->d_id.b.domain = pinfo->port_id[0];
1996 vha->d_id.b.area = pinfo->port_id[1];
1997 vha->d_id.b.al_pa = pinfo->port_id[2];
1998 qlafx00_update_host_attr(vha, pinfo);
1999 ql_dump_buffer(ql_dbg_init + ql_dbg_buffer, vha, 0x0141,
2000 (uint8_t *)pinfo, 16);
2001 } else if (fx_type == FXDISC_GET_TGT_NODE_INFO) {
2002 struct qlafx00_tgt_node_info *pinfo =
2003 (struct qlafx00_tgt_node_info *) fdisc->u.fxiocb.rsp_addr;
2004 memcpy(fcport->node_name, pinfo->tgt_node_wwnn, WWN_SIZE);
2005 memcpy(fcport->port_name, pinfo->tgt_node_wwpn, WWN_SIZE);
2006 fcport->port_type = FCT_TARGET;
2007 ql_dump_buffer(ql_dbg_init + ql_dbg_buffer, vha, 0x0144,
2008 (uint8_t *)pinfo, 16);
2009 } else if (fx_type == FXDISC_GET_TGT_NODE_LIST) {
2010 struct qlafx00_tgt_node_info *pinfo =
2011 (struct qlafx00_tgt_node_info *) fdisc->u.fxiocb.rsp_addr;
2012 ql_dump_buffer(ql_dbg_init + ql_dbg_buffer, vha, 0x0146,
2013 (uint8_t *)pinfo, 16);
2014 memcpy(vha->hw->gid_list, pinfo, QLAFX00_TGT_NODE_LIST_SIZE);
2015 } else if (fx_type == FXDISC_ABORT_IOCTL)
2016 fdisc->u.fxiocb.result =
2017 (fdisc->u.fxiocb.result == cpu_to_le32(0x68)) ?
2018 cpu_to_le32(QLA_SUCCESS) : cpu_to_le32(QLA_FUNCTION_FAILED);
2019
2020 rval = le32_to_cpu(fdisc->u.fxiocb.result);
2021
2022 done_unmap_dma:
2023 if (fdisc->u.fxiocb.rsp_addr)
2024 dma_free_coherent(&ha->pdev->dev, fdisc->u.fxiocb.rsp_len,
2025 fdisc->u.fxiocb.rsp_addr, fdisc->u.fxiocb.rsp_dma_handle);
2026
2027 done_unmap_req:
2028 if (fdisc->u.fxiocb.req_addr)
2029 dma_free_coherent(&ha->pdev->dev, fdisc->u.fxiocb.req_len,
2030 fdisc->u.fxiocb.req_addr, fdisc->u.fxiocb.req_dma_handle);
2031 done_free_sp:
2032 sp->free(vha, sp);
2033 done:
2034 return rval;
2035 }
2036
2037 static void
2038 qlafx00_abort_iocb_timeout(void *data)
2039 {
2040 srb_t *sp = (srb_t *)data;
2041 struct srb_iocb *abt = &sp->u.iocb_cmd;
2042
2043 abt->u.abt.comp_status = cpu_to_le16((uint16_t)CS_TIMEOUT);
2044 complete(&abt->u.abt.comp);
2045 }
2046
2047 static void
2048 qlafx00_abort_sp_done(void *data, void *ptr, int res)
2049 {
2050 srb_t *sp = (srb_t *)ptr;
2051 struct srb_iocb *abt = &sp->u.iocb_cmd;
2052
2053 complete(&abt->u.abt.comp);
2054 }
2055
2056 static int
2057 qlafx00_async_abt_cmd(srb_t *cmd_sp)
2058 {
2059 scsi_qla_host_t *vha = cmd_sp->fcport->vha;
2060 fc_port_t *fcport = cmd_sp->fcport;
2061 struct srb_iocb *abt_iocb;
2062 srb_t *sp;
2063 int rval = QLA_FUNCTION_FAILED;
2064
2065 sp = qla2x00_get_sp(vha, fcport, GFP_KERNEL);
2066 if (!sp)
2067 goto done;
2068
2069 abt_iocb = &sp->u.iocb_cmd;
2070 sp->type = SRB_ABT_CMD;
2071 sp->name = "abort";
2072 qla2x00_init_timer(sp, FXDISC_TIMEOUT);
2073 abt_iocb->u.abt.cmd_hndl = cmd_sp->handle;
2074 sp->done = qlafx00_abort_sp_done;
2075 abt_iocb->timeout = qlafx00_abort_iocb_timeout;
2076 init_completion(&abt_iocb->u.abt.comp);
2077
2078 rval = qla2x00_start_sp(sp);
2079 if (rval != QLA_SUCCESS)
2080 goto done_free_sp;
2081
2082 ql_dbg(ql_dbg_async, vha, 0x507c,
2083 "Abort command issued - hdl=%x, target_id=%x\n",
2084 cmd_sp->handle, fcport->tgt_id);
2085
2086 wait_for_completion(&abt_iocb->u.abt.comp);
2087
2088 rval = abt_iocb->u.abt.comp_status == CS_COMPLETE ?
2089 QLA_SUCCESS : QLA_FUNCTION_FAILED;
2090
2091 done_free_sp:
2092 sp->free(vha, sp);
2093 done:
2094 return rval;
2095 }
2096
2097 int
2098 qlafx00_abort_command(srb_t *sp)
2099 {
2100 unsigned long flags = 0;
2101
2102 uint32_t handle;
2103 fc_port_t *fcport = sp->fcport;
2104 struct scsi_qla_host *vha = fcport->vha;
2105 struct qla_hw_data *ha = vha->hw;
2106 struct req_que *req = vha->req;
2107
2108 spin_lock_irqsave(&ha->hardware_lock, flags);
2109 for (handle = 1; handle < DEFAULT_OUTSTANDING_COMMANDS; handle++) {
2110 if (req->outstanding_cmds[handle] == sp)
2111 break;
2112 }
2113 spin_unlock_irqrestore(&ha->hardware_lock, flags);
2114 if (handle == DEFAULT_OUTSTANDING_COMMANDS) {
2115 /* Command not found. */
2116 return QLA_FUNCTION_FAILED;
2117 }
2118 if (sp->type == SRB_FXIOCB_DCMD)
2119 return qlafx00_fx_disc(vha, &vha->hw->mr.fcport,
2120 FXDISC_ABORT_IOCTL);
2121
2122 return qlafx00_async_abt_cmd(sp);
2123 }
2124
2125 /*
2126 * qlafx00_initialize_adapter
2127 * Initialize board.
2128 *
2129 * Input:
2130 * ha = adapter block pointer.
2131 *
2132 * Returns:
2133 * 0 = success
2134 */
2135 int
2136 qlafx00_initialize_adapter(scsi_qla_host_t *vha)
2137 {
2138 int rval;
2139 struct qla_hw_data *ha = vha->hw;
2140 uint32_t tempc;
2141
2142 /* Clear adapter flags. */
2143 vha->flags.online = 0;
2144 ha->flags.chip_reset_done = 0;
2145 vha->flags.reset_active = 0;
2146 ha->flags.pci_channel_io_perm_failure = 0;
2147 ha->flags.eeh_busy = 0;
2148 atomic_set(&vha->loop_down_timer, LOOP_DOWN_TIME);
2149 atomic_set(&vha->loop_state, LOOP_DOWN);
2150 vha->device_flags = DFLG_NO_CABLE;
2151 vha->dpc_flags = 0;
2152 vha->flags.management_server_logged_in = 0;
2153 vha->marker_needed = 0;
2154 ha->isp_abort_cnt = 0;
2155 ha->beacon_blink_led = 0;
2156
2157 set_bit(0, ha->req_qid_map);
2158 set_bit(0, ha->rsp_qid_map);
2159
2160 ql_dbg(ql_dbg_init, vha, 0x0147,
2161 "Configuring PCI space...\n");
2162
2163 rval = ha->isp_ops->pci_config(vha);
2164 if (rval) {
2165 ql_log(ql_log_warn, vha, 0x0148,
2166 "Unable to configure PCI space.\n");
2167 return rval;
2168 }
2169
2170 rval = qlafx00_init_fw_ready(vha);
2171 if (rval != QLA_SUCCESS)
2172 return rval;
2173
2174 qlafx00_save_queue_ptrs(vha);
2175
2176 rval = qlafx00_config_queues(vha);
2177 if (rval != QLA_SUCCESS)
2178 return rval;
2179
2180 /*
2181 * Allocate the array of outstanding commands
2182 * now that we know the firmware resources.
2183 */
2184 rval = qla2x00_alloc_outstanding_cmds(ha, vha->req);
2185 if (rval != QLA_SUCCESS)
2186 return rval;
2187
2188 rval = qla2x00_init_rings(vha);
2189 ha->flags.chip_reset_done = 1;
2190
2191 tempc = QLAFX00_GET_TEMPERATURE(ha);
2192 ql_dbg(ql_dbg_init, vha, 0x0152,
2193 "ISPFx00(%s): Critical temp timer, current SOC temperature: 0x%x\n",
2194 __func__, tempc);
2195
2196 return rval;
2197 }
2198
2199 uint32_t
2200 qlafx00_fw_state_show(struct device *dev, struct device_attribute *attr,
2201 char *buf)
2202 {
2203 scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
2204 int rval = QLA_FUNCTION_FAILED;
2205 uint32_t state[1];
2206
2207 if (qla2x00_reset_active(vha))
2208 ql_log(ql_log_warn, vha, 0x70ce,
2209 "ISP reset active.\n");
2210 else if (!vha->hw->flags.eeh_busy) {
2211 rval = qlafx00_get_firmware_state(vha, state);
2212 }
2213 if (rval != QLA_SUCCESS)
2214 memset(state, -1, sizeof(state));
2215
2216 return state[0];
2217 }
2218
2219 void
2220 qlafx00_get_host_speed(struct Scsi_Host *shost)
2221 {
2222 struct qla_hw_data *ha = ((struct scsi_qla_host *)
2223 (shost_priv(shost)))->hw;
2224 u32 speed = FC_PORTSPEED_UNKNOWN;
2225
2226 switch (ha->link_data_rate) {
2227 case QLAFX00_PORT_SPEED_2G:
2228 speed = FC_PORTSPEED_2GBIT;
2229 break;
2230 case QLAFX00_PORT_SPEED_4G:
2231 speed = FC_PORTSPEED_4GBIT;
2232 break;
2233 case QLAFX00_PORT_SPEED_8G:
2234 speed = FC_PORTSPEED_8GBIT;
2235 break;
2236 case QLAFX00_PORT_SPEED_10G:
2237 speed = FC_PORTSPEED_10GBIT;
2238 break;
2239 }
2240 fc_host_speed(shost) = speed;
2241 }
2242
2243 /** QLAFX00 specific ISR implementation functions */
2244
2245 static inline void
2246 qlafx00_handle_sense(srb_t *sp, uint8_t *sense_data, uint32_t par_sense_len,
2247 uint32_t sense_len, struct rsp_que *rsp, int res)
2248 {
2249 struct scsi_qla_host *vha = sp->fcport->vha;
2250 struct scsi_cmnd *cp = GET_CMD_SP(sp);
2251 uint32_t track_sense_len;
2252
2253 SET_FW_SENSE_LEN(sp, sense_len);
2254
2255 if (sense_len >= SCSI_SENSE_BUFFERSIZE)
2256 sense_len = SCSI_SENSE_BUFFERSIZE;
2257
2258 SET_CMD_SENSE_LEN(sp, sense_len);
2259 SET_CMD_SENSE_PTR(sp, cp->sense_buffer);
2260 track_sense_len = sense_len;
2261
2262 if (sense_len > par_sense_len)
2263 sense_len = par_sense_len;
2264
2265 memcpy(cp->sense_buffer, sense_data, sense_len);
2266
2267 SET_FW_SENSE_LEN(sp, GET_FW_SENSE_LEN(sp) - sense_len);
2268
2269 SET_CMD_SENSE_PTR(sp, cp->sense_buffer + sense_len);
2270 track_sense_len -= sense_len;
2271 SET_CMD_SENSE_LEN(sp, track_sense_len);
2272
2273 ql_dbg(ql_dbg_io, vha, 0x304d,
2274 "sense_len=0x%x par_sense_len=0x%x track_sense_len=0x%x.\n",
2275 sense_len, par_sense_len, track_sense_len);
2276 if (GET_FW_SENSE_LEN(sp) > 0) {
2277 rsp->status_srb = sp;
2278 cp->result = res;
2279 }
2280
2281 if (sense_len) {
2282 ql_dbg(ql_dbg_io + ql_dbg_buffer, vha, 0x3039,
2283 "Check condition Sense data, nexus%ld:%d:%d cmd=%p.\n",
2284 sp->fcport->vha->host_no, cp->device->id, cp->device->lun,
2285 cp);
2286 ql_dump_buffer(ql_dbg_io + ql_dbg_buffer, vha, 0x3049,
2287 cp->sense_buffer, sense_len);
2288 }
2289 }
2290
2291 static void
2292 qlafx00_tm_iocb_entry(scsi_qla_host_t *vha, struct req_que *req,
2293 struct tsk_mgmt_entry_fx00 *pkt, srb_t *sp,
2294 __le16 sstatus, __le16 cpstatus)
2295 {
2296 struct srb_iocb *tmf;
2297
2298 tmf = &sp->u.iocb_cmd;
2299 if (cpstatus != cpu_to_le16((uint16_t)CS_COMPLETE) ||
2300 (sstatus & cpu_to_le16((uint16_t)SS_RESPONSE_INFO_LEN_VALID)))
2301 cpstatus = cpu_to_le16((uint16_t)CS_INCOMPLETE);
2302 tmf->u.tmf.comp_status = cpstatus;
2303 sp->done(vha, sp, 0);
2304 }
2305
2306 static void
2307 qlafx00_abort_iocb_entry(scsi_qla_host_t *vha, struct req_que *req,
2308 struct abort_iocb_entry_fx00 *pkt)
2309 {
2310 const char func[] = "ABT_IOCB";
2311 srb_t *sp;
2312 struct srb_iocb *abt;
2313
2314 sp = qla2x00_get_sp_from_handle(vha, func, req, pkt);
2315 if (!sp)
2316 return;
2317
2318 abt = &sp->u.iocb_cmd;
2319 abt->u.abt.comp_status = pkt->tgt_id_sts;
2320 sp->done(vha, sp, 0);
2321 }
2322
2323 static void
2324 qlafx00_ioctl_iosb_entry(scsi_qla_host_t *vha, struct req_que *req,
2325 struct ioctl_iocb_entry_fx00 *pkt)
2326 {
2327 const char func[] = "IOSB_IOCB";
2328 srb_t *sp;
2329 struct fc_bsg_job *bsg_job;
2330 struct srb_iocb *iocb_job;
2331 int res;
2332 struct qla_mt_iocb_rsp_fx00 fstatus;
2333 uint8_t *fw_sts_ptr;
2334
2335 sp = qla2x00_get_sp_from_handle(vha, func, req, pkt);
2336 if (!sp)
2337 return;
2338
2339 if (sp->type == SRB_FXIOCB_DCMD) {
2340 iocb_job = &sp->u.iocb_cmd;
2341 iocb_job->u.fxiocb.seq_number = pkt->seq_no;
2342 iocb_job->u.fxiocb.fw_flags = pkt->fw_iotcl_flags;
2343 iocb_job->u.fxiocb.result = pkt->status;
2344 if (iocb_job->u.fxiocb.flags & SRB_FXDISC_RSP_DWRD_VALID)
2345 iocb_job->u.fxiocb.req_data =
2346 pkt->dataword_r;
2347 } else {
2348 bsg_job = sp->u.bsg_job;
2349
2350 memset(&fstatus, 0, sizeof(struct qla_mt_iocb_rsp_fx00));
2351
2352 fstatus.reserved_1 = pkt->reserved_0;
2353 fstatus.func_type = pkt->comp_func_num;
2354 fstatus.ioctl_flags = pkt->fw_iotcl_flags;
2355 fstatus.ioctl_data = pkt->dataword_r;
2356 fstatus.adapid = pkt->adapid;
2357 fstatus.adapid_hi = pkt->adapid_hi;
2358 fstatus.reserved_2 = pkt->reserved_1;
2359 fstatus.res_count = pkt->residuallen;
2360 fstatus.status = pkt->status;
2361 fstatus.seq_number = pkt->seq_no;
2362 memcpy(fstatus.reserved_3,
2363 pkt->reserved_2, 20 * sizeof(uint8_t));
2364
2365 fw_sts_ptr = ((uint8_t *)bsg_job->req->sense) +
2366 sizeof(struct fc_bsg_reply);
2367
2368 memcpy(fw_sts_ptr, (uint8_t *)&fstatus,
2369 sizeof(struct qla_mt_iocb_rsp_fx00));
2370 bsg_job->reply_len = sizeof(struct fc_bsg_reply) +
2371 sizeof(struct qla_mt_iocb_rsp_fx00) + sizeof(uint8_t);
2372
2373 ql_dump_buffer(ql_dbg_user + ql_dbg_verbose,
2374 sp->fcport->vha, 0x5080,
2375 (uint8_t *)pkt, sizeof(struct ioctl_iocb_entry_fx00));
2376
2377 ql_dump_buffer(ql_dbg_user + ql_dbg_verbose,
2378 sp->fcport->vha, 0x5074,
2379 (uint8_t *)fw_sts_ptr, sizeof(struct qla_mt_iocb_rsp_fx00));
2380
2381 res = bsg_job->reply->result = DID_OK << 16;
2382 bsg_job->reply->reply_payload_rcv_len =
2383 bsg_job->reply_payload.payload_len;
2384 }
2385 sp->done(vha, sp, res);
2386 }
2387
2388 /**
2389 * qlafx00_status_entry() - Process a Status IOCB entry.
2390 * @ha: SCSI driver HA context
2391 * @pkt: Entry pointer
2392 */
2393 static void
2394 qlafx00_status_entry(scsi_qla_host_t *vha, struct rsp_que *rsp, void *pkt)
2395 {
2396 srb_t *sp;
2397 fc_port_t *fcport;
2398 struct scsi_cmnd *cp;
2399 struct sts_entry_fx00 *sts;
2400 __le16 comp_status;
2401 __le16 scsi_status;
2402 uint16_t ox_id;
2403 __le16 lscsi_status;
2404 int32_t resid;
2405 uint32_t sense_len, par_sense_len, rsp_info_len, resid_len,
2406 fw_resid_len;
2407 uint8_t *rsp_info = NULL, *sense_data = NULL;
2408 struct qla_hw_data *ha = vha->hw;
2409 uint32_t hindex, handle;
2410 uint16_t que;
2411 struct req_que *req;
2412 int logit = 1;
2413 int res = 0;
2414
2415 sts = (struct sts_entry_fx00 *) pkt;
2416
2417 comp_status = sts->comp_status;
2418 scsi_status = sts->scsi_status & cpu_to_le16((uint16_t)SS_MASK);
2419 hindex = sts->handle;
2420 handle = LSW(hindex);
2421
2422 que = MSW(hindex);
2423 req = ha->req_q_map[que];
2424
2425 /* Validate handle. */
2426 if (handle < req->num_outstanding_cmds)
2427 sp = req->outstanding_cmds[handle];
2428 else
2429 sp = NULL;
2430
2431 if (sp == NULL) {
2432 ql_dbg(ql_dbg_io, vha, 0x3034,
2433 "Invalid status handle (0x%x).\n", handle);
2434
2435 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
2436 qla2xxx_wake_dpc(vha);
2437 return;
2438 }
2439
2440 if (sp->type == SRB_TM_CMD) {
2441 req->outstanding_cmds[handle] = NULL;
2442 qlafx00_tm_iocb_entry(vha, req, pkt, sp,
2443 scsi_status, comp_status);
2444 return;
2445 }
2446
2447 /* Fast path completion. */
2448 if (comp_status == CS_COMPLETE && scsi_status == 0) {
2449 qla2x00_process_completed_request(vha, req, handle);
2450 return;
2451 }
2452
2453 req->outstanding_cmds[handle] = NULL;
2454 cp = GET_CMD_SP(sp);
2455 if (cp == NULL) {
2456 ql_dbg(ql_dbg_io, vha, 0x3048,
2457 "Command already returned (0x%x/%p).\n",
2458 handle, sp);
2459
2460 return;
2461 }
2462
2463 lscsi_status = scsi_status & cpu_to_le16((uint16_t)STATUS_MASK);
2464
2465 fcport = sp->fcport;
2466
2467 ox_id = 0;
2468 sense_len = par_sense_len = rsp_info_len = resid_len =
2469 fw_resid_len = 0;
2470 if (scsi_status & cpu_to_le16((uint16_t)SS_SENSE_LEN_VALID))
2471 sense_len = sts->sense_len;
2472 if (scsi_status & cpu_to_le16(((uint16_t)SS_RESIDUAL_UNDER
2473 | (uint16_t)SS_RESIDUAL_OVER)))
2474 resid_len = le32_to_cpu(sts->residual_len);
2475 if (comp_status == cpu_to_le16((uint16_t)CS_DATA_UNDERRUN))
2476 fw_resid_len = le32_to_cpu(sts->residual_len);
2477 rsp_info = sense_data = sts->data;
2478 par_sense_len = sizeof(sts->data);
2479
2480 /* Check for overrun. */
2481 if (comp_status == CS_COMPLETE &&
2482 scsi_status & cpu_to_le16((uint16_t)SS_RESIDUAL_OVER))
2483 comp_status = cpu_to_le16((uint16_t)CS_DATA_OVERRUN);
2484
2485 /*
2486 * Based on Host and scsi status generate status code for Linux
2487 */
2488 switch (le16_to_cpu(comp_status)) {
2489 case CS_COMPLETE:
2490 case CS_QUEUE_FULL:
2491 if (scsi_status == 0) {
2492 res = DID_OK << 16;
2493 break;
2494 }
2495 if (scsi_status & cpu_to_le16(((uint16_t)SS_RESIDUAL_UNDER
2496 | (uint16_t)SS_RESIDUAL_OVER))) {
2497 resid = resid_len;
2498 scsi_set_resid(cp, resid);
2499
2500 if (!lscsi_status &&
2501 ((unsigned)(scsi_bufflen(cp) - resid) <
2502 cp->underflow)) {
2503 ql_dbg(ql_dbg_io, fcport->vha, 0x3050,
2504 "Mid-layer underflow "
2505 "detected (0x%x of 0x%x bytes).\n",
2506 resid, scsi_bufflen(cp));
2507
2508 res = DID_ERROR << 16;
2509 break;
2510 }
2511 }
2512 res = DID_OK << 16 | le16_to_cpu(lscsi_status);
2513
2514 if (lscsi_status ==
2515 cpu_to_le16((uint16_t)SAM_STAT_TASK_SET_FULL)) {
2516 ql_dbg(ql_dbg_io, fcport->vha, 0x3051,
2517 "QUEUE FULL detected.\n");
2518 break;
2519 }
2520 logit = 0;
2521 if (lscsi_status != cpu_to_le16((uint16_t)SS_CHECK_CONDITION))
2522 break;
2523
2524 memset(cp->sense_buffer, 0, SCSI_SENSE_BUFFERSIZE);
2525 if (!(scsi_status & cpu_to_le16((uint16_t)SS_SENSE_LEN_VALID)))
2526 break;
2527
2528 qlafx00_handle_sense(sp, sense_data, par_sense_len, sense_len,
2529 rsp, res);
2530 break;
2531
2532 case CS_DATA_UNDERRUN:
2533 /* Use F/W calculated residual length. */
2534 if (IS_FWI2_CAPABLE(ha) || IS_QLAFX00(ha))
2535 resid = fw_resid_len;
2536 else
2537 resid = resid_len;
2538 scsi_set_resid(cp, resid);
2539 if (scsi_status & cpu_to_le16((uint16_t)SS_RESIDUAL_UNDER)) {
2540 if ((IS_FWI2_CAPABLE(ha) || IS_QLAFX00(ha))
2541 && fw_resid_len != resid_len) {
2542 ql_dbg(ql_dbg_io, fcport->vha, 0x3052,
2543 "Dropped frame(s) detected "
2544 "(0x%x of 0x%x bytes).\n",
2545 resid, scsi_bufflen(cp));
2546
2547 res = DID_ERROR << 16 |
2548 le16_to_cpu(lscsi_status);
2549 goto check_scsi_status;
2550 }
2551
2552 if (!lscsi_status &&
2553 ((unsigned)(scsi_bufflen(cp) - resid) <
2554 cp->underflow)) {
2555 ql_dbg(ql_dbg_io, fcport->vha, 0x3053,
2556 "Mid-layer underflow "
2557 "detected (0x%x of 0x%x bytes, "
2558 "cp->underflow: 0x%x).\n",
2559 resid, scsi_bufflen(cp), cp->underflow);
2560
2561 res = DID_ERROR << 16;
2562 break;
2563 }
2564 } else if (lscsi_status !=
2565 cpu_to_le16((uint16_t)SAM_STAT_TASK_SET_FULL) &&
2566 lscsi_status != cpu_to_le16((uint16_t)SAM_STAT_BUSY)) {
2567 /*
2568 * scsi status of task set and busy are considered
2569 * to be task not completed.
2570 */
2571
2572 ql_dbg(ql_dbg_io, fcport->vha, 0x3054,
2573 "Dropped frame(s) detected (0x%x "
2574 "of 0x%x bytes).\n", resid,
2575 scsi_bufflen(cp));
2576
2577 res = DID_ERROR << 16 | le16_to_cpu(lscsi_status);
2578 goto check_scsi_status;
2579 } else {
2580 ql_dbg(ql_dbg_io, fcport->vha, 0x3055,
2581 "scsi_status: 0x%x, lscsi_status: 0x%x\n",
2582 scsi_status, lscsi_status);
2583 }
2584
2585 res = DID_OK << 16 | le16_to_cpu(lscsi_status);
2586 logit = 0;
2587
2588 check_scsi_status:
2589 /*
2590 * Check to see if SCSI Status is non zero. If so report SCSI
2591 * Status.
2592 */
2593 if (lscsi_status != 0) {
2594 if (lscsi_status ==
2595 cpu_to_le16((uint16_t)SAM_STAT_TASK_SET_FULL)) {
2596 ql_dbg(ql_dbg_io, fcport->vha, 0x3056,
2597 "QUEUE FULL detected.\n");
2598 logit = 1;
2599 break;
2600 }
2601 if (lscsi_status !=
2602 cpu_to_le16((uint16_t)SS_CHECK_CONDITION))
2603 break;
2604
2605 memset(cp->sense_buffer, 0, SCSI_SENSE_BUFFERSIZE);
2606 if (!(scsi_status &
2607 cpu_to_le16((uint16_t)SS_SENSE_LEN_VALID)))
2608 break;
2609
2610 qlafx00_handle_sense(sp, sense_data, par_sense_len,
2611 sense_len, rsp, res);
2612 }
2613 break;
2614
2615 case CS_PORT_LOGGED_OUT:
2616 case CS_PORT_CONFIG_CHG:
2617 case CS_PORT_BUSY:
2618 case CS_INCOMPLETE:
2619 case CS_PORT_UNAVAILABLE:
2620 case CS_TIMEOUT:
2621 case CS_RESET:
2622
2623 /*
2624 * We are going to have the fc class block the rport
2625 * while we try to recover so instruct the mid layer
2626 * to requeue until the class decides how to handle this.
2627 */
2628 res = DID_TRANSPORT_DISRUPTED << 16;
2629
2630 ql_dbg(ql_dbg_io, fcport->vha, 0x3057,
2631 "Port down status: port-state=0x%x.\n",
2632 atomic_read(&fcport->state));
2633
2634 if (atomic_read(&fcport->state) == FCS_ONLINE)
2635 qla2x00_mark_device_lost(fcport->vha, fcport, 1, 1);
2636 break;
2637
2638 case CS_ABORTED:
2639 res = DID_RESET << 16;
2640 break;
2641
2642 default:
2643 res = DID_ERROR << 16;
2644 break;
2645 }
2646
2647 if (logit)
2648 ql_dbg(ql_dbg_io, fcport->vha, 0x3058,
2649 "FCP command status: 0x%x-0x%x (0x%x) nexus=%ld:%d:%d "
2650 "tgt_id: 0x%x lscsi_status: 0x%x cdb=%10phN len=0x%x "
2651 "rsp_info=0x%x resid=0x%x fw_resid=0x%x sense_len=0x%x, "
2652 "par_sense_len=0x%x, rsp_info_len=0x%x\n",
2653 comp_status, scsi_status, res, vha->host_no,
2654 cp->device->id, cp->device->lun, fcport->tgt_id,
2655 lscsi_status, cp->cmnd, scsi_bufflen(cp),
2656 rsp_info_len, resid_len, fw_resid_len, sense_len,
2657 par_sense_len, rsp_info_len);
2658
2659 if (rsp->status_srb == NULL)
2660 sp->done(ha, sp, res);
2661 }
2662
2663 /**
2664 * qlafx00_status_cont_entry() - Process a Status Continuations entry.
2665 * @ha: SCSI driver HA context
2666 * @pkt: Entry pointer
2667 *
2668 * Extended sense data.
2669 */
2670 static void
2671 qlafx00_status_cont_entry(struct rsp_que *rsp, sts_cont_entry_t *pkt)
2672 {
2673 uint8_t sense_sz = 0;
2674 struct qla_hw_data *ha = rsp->hw;
2675 struct scsi_qla_host *vha = pci_get_drvdata(ha->pdev);
2676 srb_t *sp = rsp->status_srb;
2677 struct scsi_cmnd *cp;
2678 uint32_t sense_len;
2679 uint8_t *sense_ptr;
2680
2681 if (!sp) {
2682 ql_dbg(ql_dbg_io, vha, 0x3037,
2683 "no SP, sp = %p\n", sp);
2684 return;
2685 }
2686
2687 if (!GET_FW_SENSE_LEN(sp)) {
2688 ql_dbg(ql_dbg_io, vha, 0x304b,
2689 "no fw sense data, sp = %p\n", sp);
2690 return;
2691 }
2692 cp = GET_CMD_SP(sp);
2693 if (cp == NULL) {
2694 ql_log(ql_log_warn, vha, 0x303b,
2695 "cmd is NULL: already returned to OS (sp=%p).\n", sp);
2696
2697 rsp->status_srb = NULL;
2698 return;
2699 }
2700
2701 if (!GET_CMD_SENSE_LEN(sp)) {
2702 ql_dbg(ql_dbg_io, vha, 0x304c,
2703 "no sense data, sp = %p\n", sp);
2704 } else {
2705 sense_len = GET_CMD_SENSE_LEN(sp);
2706 sense_ptr = GET_CMD_SENSE_PTR(sp);
2707 ql_dbg(ql_dbg_io, vha, 0x304f,
2708 "sp=%p sense_len=0x%x sense_ptr=%p.\n",
2709 sp, sense_len, sense_ptr);
2710
2711 if (sense_len > sizeof(pkt->data))
2712 sense_sz = sizeof(pkt->data);
2713 else
2714 sense_sz = sense_len;
2715
2716 /* Move sense data. */
2717 ql_dump_buffer(ql_dbg_io + ql_dbg_buffer, vha, 0x304e,
2718 (uint8_t *)pkt, sizeof(sts_cont_entry_t));
2719 memcpy(sense_ptr, pkt->data, sense_sz);
2720 ql_dump_buffer(ql_dbg_io + ql_dbg_buffer, vha, 0x304a,
2721 sense_ptr, sense_sz);
2722
2723 sense_len -= sense_sz;
2724 sense_ptr += sense_sz;
2725
2726 SET_CMD_SENSE_PTR(sp, sense_ptr);
2727 SET_CMD_SENSE_LEN(sp, sense_len);
2728 }
2729 sense_len = GET_FW_SENSE_LEN(sp);
2730 sense_len = (sense_len > sizeof(pkt->data)) ?
2731 (sense_len - sizeof(pkt->data)) : 0;
2732 SET_FW_SENSE_LEN(sp, sense_len);
2733
2734 /* Place command on done queue. */
2735 if (sense_len == 0) {
2736 rsp->status_srb = NULL;
2737 sp->done(ha, sp, cp->result);
2738 }
2739 }
2740
2741 /**
2742 * qlafx00_multistatus_entry() - Process Multi response queue entries.
2743 * @ha: SCSI driver HA context
2744 */
2745 static void
2746 qlafx00_multistatus_entry(struct scsi_qla_host *vha,
2747 struct rsp_que *rsp, void *pkt)
2748 {
2749 srb_t *sp;
2750 struct multi_sts_entry_fx00 *stsmfx;
2751 struct qla_hw_data *ha = vha->hw;
2752 uint32_t handle, hindex, handle_count, i;
2753 uint16_t que;
2754 struct req_que *req;
2755 __le32 *handle_ptr;
2756
2757 stsmfx = (struct multi_sts_entry_fx00 *) pkt;
2758
2759 handle_count = stsmfx->handle_count;
2760
2761 if (handle_count > MAX_HANDLE_COUNT) {
2762 ql_dbg(ql_dbg_io, vha, 0x3035,
2763 "Invalid handle count (0x%x).\n", handle_count);
2764 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
2765 qla2xxx_wake_dpc(vha);
2766 return;
2767 }
2768
2769 handle_ptr = &stsmfx->handles[0];
2770
2771 for (i = 0; i < handle_count; i++) {
2772 hindex = le32_to_cpu(*handle_ptr);
2773 handle = LSW(hindex);
2774 que = MSW(hindex);
2775 req = ha->req_q_map[que];
2776
2777 /* Validate handle. */
2778 if (handle < req->num_outstanding_cmds)
2779 sp = req->outstanding_cmds[handle];
2780 else
2781 sp = NULL;
2782
2783 if (sp == NULL) {
2784 ql_dbg(ql_dbg_io, vha, 0x3044,
2785 "Invalid status handle (0x%x).\n", handle);
2786 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
2787 qla2xxx_wake_dpc(vha);
2788 return;
2789 }
2790 qla2x00_process_completed_request(vha, req, handle);
2791 handle_ptr++;
2792 }
2793 }
2794
2795 /**
2796 * qlafx00_error_entry() - Process an error entry.
2797 * @ha: SCSI driver HA context
2798 * @pkt: Entry pointer
2799 */
2800 static void
2801 qlafx00_error_entry(scsi_qla_host_t *vha, struct rsp_que *rsp,
2802 struct sts_entry_fx00 *pkt, uint8_t estatus, uint8_t etype)
2803 {
2804 srb_t *sp;
2805 struct qla_hw_data *ha = vha->hw;
2806 const char func[] = "ERROR-IOCB";
2807 uint16_t que = MSW(pkt->handle);
2808 struct req_que *req = NULL;
2809 int res = DID_ERROR << 16;
2810
2811 ql_dbg(ql_dbg_async, vha, 0x507f,
2812 "type of error status in response: 0x%x\n", estatus);
2813
2814 req = ha->req_q_map[que];
2815
2816 sp = qla2x00_get_sp_from_handle(vha, func, req, pkt);
2817 if (sp) {
2818 sp->done(ha, sp, res);
2819 return;
2820 }
2821
2822 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
2823 qla2xxx_wake_dpc(vha);
2824 }
2825
2826 /**
2827 * qlafx00_process_response_queue() - Process response queue entries.
2828 * @ha: SCSI driver HA context
2829 */
2830 static void
2831 qlafx00_process_response_queue(struct scsi_qla_host *vha,
2832 struct rsp_que *rsp)
2833 {
2834 struct sts_entry_fx00 *pkt;
2835 response_t *lptr;
2836
2837 while (RD_REG_DWORD((void __iomem *)&(rsp->ring_ptr->signature)) !=
2838 RESPONSE_PROCESSED) {
2839 lptr = rsp->ring_ptr;
2840 memcpy_fromio(rsp->rsp_pkt, (void __iomem *)lptr,
2841 sizeof(rsp->rsp_pkt));
2842 pkt = (struct sts_entry_fx00 *)rsp->rsp_pkt;
2843
2844 rsp->ring_index++;
2845 if (rsp->ring_index == rsp->length) {
2846 rsp->ring_index = 0;
2847 rsp->ring_ptr = rsp->ring;
2848 } else {
2849 rsp->ring_ptr++;
2850 }
2851
2852 if (pkt->entry_status != 0 &&
2853 pkt->entry_type != IOCTL_IOSB_TYPE_FX00) {
2854 qlafx00_error_entry(vha, rsp,
2855 (struct sts_entry_fx00 *)pkt, pkt->entry_status,
2856 pkt->entry_type);
2857 goto next_iter;
2858 continue;
2859 }
2860
2861 switch (pkt->entry_type) {
2862 case STATUS_TYPE_FX00:
2863 qlafx00_status_entry(vha, rsp, pkt);
2864 break;
2865
2866 case STATUS_CONT_TYPE_FX00:
2867 qlafx00_status_cont_entry(rsp, (sts_cont_entry_t *)pkt);
2868 break;
2869
2870 case MULTI_STATUS_TYPE_FX00:
2871 qlafx00_multistatus_entry(vha, rsp, pkt);
2872 break;
2873
2874 case ABORT_IOCB_TYPE_FX00:
2875 qlafx00_abort_iocb_entry(vha, rsp->req,
2876 (struct abort_iocb_entry_fx00 *)pkt);
2877 break;
2878
2879 case IOCTL_IOSB_TYPE_FX00:
2880 qlafx00_ioctl_iosb_entry(vha, rsp->req,
2881 (struct ioctl_iocb_entry_fx00 *)pkt);
2882 break;
2883 default:
2884 /* Type Not Supported. */
2885 ql_dbg(ql_dbg_async, vha, 0x5081,
2886 "Received unknown response pkt type %x "
2887 "entry status=%x.\n",
2888 pkt->entry_type, pkt->entry_status);
2889 break;
2890 }
2891 next_iter:
2892 WRT_REG_DWORD((void __iomem *)&lptr->signature,
2893 RESPONSE_PROCESSED);
2894 wmb();
2895 }
2896
2897 /* Adjust ring index */
2898 WRT_REG_DWORD(rsp->rsp_q_out, rsp->ring_index);
2899 }
2900
2901 /**
2902 * qlafx00_async_event() - Process aynchronous events.
2903 * @ha: SCSI driver HA context
2904 */
2905 static void
2906 qlafx00_async_event(scsi_qla_host_t *vha)
2907 {
2908 struct qla_hw_data *ha = vha->hw;
2909 struct device_reg_fx00 __iomem *reg;
2910 int data_size = 1;
2911
2912 reg = &ha->iobase->ispfx00;
2913 /* Setup to process RIO completion. */
2914 switch (ha->aenmb[0]) {
2915 case QLAFX00_MBA_SYSTEM_ERR: /* System Error */
2916 ql_log(ql_log_warn, vha, 0x5079,
2917 "ISP System Error - mbx1=%x\n", ha->aenmb[0]);
2918 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
2919 break;
2920
2921 case QLAFX00_MBA_SHUTDOWN_RQSTD: /* Shutdown requested */
2922 ql_dbg(ql_dbg_async, vha, 0x5076,
2923 "Asynchronous FW shutdown requested.\n");
2924 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
2925 qla2xxx_wake_dpc(vha);
2926 break;
2927
2928 case QLAFX00_MBA_PORT_UPDATE: /* Port database update */
2929 ha->aenmb[1] = RD_REG_WORD(&reg->aenmailbox1);
2930 ha->aenmb[2] = RD_REG_WORD(&reg->aenmailbox2);
2931 ha->aenmb[3] = RD_REG_WORD(&reg->aenmailbox3);
2932 ql_dbg(ql_dbg_async, vha, 0x5077,
2933 "Asynchronous port Update received "
2934 "aenmb[0]: %x, aenmb[1]: %x, aenmb[2]: %x, aenmb[3]: %x\n",
2935 ha->aenmb[0], ha->aenmb[1], ha->aenmb[2], ha->aenmb[3]);
2936 data_size = 4;
2937 break;
2938
2939 case QLAFX00_MBA_TEMP_OVER: /* Over temperature event */
2940 ql_log(ql_log_info, vha, 0x5085,
2941 "Asynchronous over temperature event received "
2942 "aenmb[0]: %x\n",
2943 ha->aenmb[0]);
2944 break;
2945
2946 case QLAFX00_MBA_TEMP_NORM: /* Normal temperature event */
2947 ql_log(ql_log_info, vha, 0x5086,
2948 "Asynchronous normal temperature event received "
2949 "aenmb[0]: %x\n",
2950 ha->aenmb[0]);
2951 break;
2952
2953 case QLAFX00_MBA_TEMP_CRIT: /* Critical temperature event */
2954 ql_log(ql_log_info, vha, 0x5083,
2955 "Asynchronous critical temperature event received "
2956 "aenmb[0]: %x\n",
2957 ha->aenmb[0]);
2958 break;
2959
2960 default:
2961 ha->aenmb[1] = RD_REG_WORD(&reg->aenmailbox1);
2962 ha->aenmb[2] = RD_REG_WORD(&reg->aenmailbox2);
2963 ha->aenmb[3] = RD_REG_WORD(&reg->aenmailbox3);
2964 ha->aenmb[4] = RD_REG_WORD(&reg->aenmailbox4);
2965 ha->aenmb[5] = RD_REG_WORD(&reg->aenmailbox5);
2966 ha->aenmb[6] = RD_REG_WORD(&reg->aenmailbox6);
2967 ha->aenmb[7] = RD_REG_WORD(&reg->aenmailbox7);
2968 ql_dbg(ql_dbg_async, vha, 0x5078,
2969 "AEN:%04x %04x %04x %04x :%04x %04x %04x %04x\n",
2970 ha->aenmb[0], ha->aenmb[1], ha->aenmb[2], ha->aenmb[3],
2971 ha->aenmb[4], ha->aenmb[5], ha->aenmb[6], ha->aenmb[7]);
2972 break;
2973 }
2974 qlafx00_post_aenfx_work(vha, ha->aenmb[0],
2975 (uint32_t *)ha->aenmb, data_size);
2976 }
2977
2978 /**
2979 *
2980 * qlafx00x_mbx_completion() - Process mailbox command completions.
2981 * @ha: SCSI driver HA context
2982 * @mb16: Mailbox16 register
2983 */
2984 static void
2985 qlafx00_mbx_completion(scsi_qla_host_t *vha, uint32_t mb0)
2986 {
2987 uint16_t cnt;
2988 uint16_t __iomem *wptr;
2989 struct qla_hw_data *ha = vha->hw;
2990 struct device_reg_fx00 __iomem *reg = &ha->iobase->ispfx00;
2991
2992 if (!ha->mcp32)
2993 ql_dbg(ql_dbg_async, vha, 0x507e, "MBX pointer ERROR.\n");
2994
2995 /* Load return mailbox registers. */
2996 ha->flags.mbox_int = 1;
2997 ha->mailbox_out32[0] = mb0;
2998 wptr = (uint16_t __iomem *)&reg->mailbox17;
2999
3000 for (cnt = 1; cnt < ha->mbx_count; cnt++) {
3001 ha->mailbox_out32[cnt] = RD_REG_WORD(wptr);
3002 wptr++;
3003 }
3004 }
3005
3006 /**
3007 * qlafx00_intr_handler() - Process interrupts for the ISPFX00.
3008 * @irq:
3009 * @dev_id: SCSI driver HA context
3010 *
3011 * Called by system whenever the host adapter generates an interrupt.
3012 *
3013 * Returns handled flag.
3014 */
3015 irqreturn_t
3016 qlafx00_intr_handler(int irq, void *dev_id)
3017 {
3018 scsi_qla_host_t *vha;
3019 struct qla_hw_data *ha;
3020 struct device_reg_fx00 __iomem *reg;
3021 int status;
3022 unsigned long iter;
3023 uint32_t stat;
3024 uint32_t mb[8];
3025 struct rsp_que *rsp;
3026 unsigned long flags;
3027 uint32_t clr_intr = 0;
3028
3029 rsp = (struct rsp_que *) dev_id;
3030 if (!rsp) {
3031 ql_log(ql_log_info, NULL, 0x507d,
3032 "%s: NULL response queue pointer.\n", __func__);
3033 return IRQ_NONE;
3034 }
3035
3036 ha = rsp->hw;
3037 reg = &ha->iobase->ispfx00;
3038 status = 0;
3039
3040 if (unlikely(pci_channel_offline(ha->pdev)))
3041 return IRQ_HANDLED;
3042
3043 spin_lock_irqsave(&ha->hardware_lock, flags);
3044 vha = pci_get_drvdata(ha->pdev);
3045 for (iter = 50; iter--; clr_intr = 0) {
3046 stat = QLAFX00_RD_INTR_REG(ha);
3047 if (qla2x00_check_reg_for_disconnect(vha, stat))
3048 break;
3049 if ((stat & QLAFX00_HST_INT_STS_BITS) == 0)
3050 break;
3051
3052 switch (stat & QLAFX00_HST_INT_STS_BITS) {
3053 case QLAFX00_INTR_MB_CMPLT:
3054 case QLAFX00_INTR_MB_RSP_CMPLT:
3055 case QLAFX00_INTR_MB_ASYNC_CMPLT:
3056 case QLAFX00_INTR_ALL_CMPLT:
3057 mb[0] = RD_REG_WORD(&reg->mailbox16);
3058 qlafx00_mbx_completion(vha, mb[0]);
3059 status |= MBX_INTERRUPT;
3060 clr_intr |= QLAFX00_INTR_MB_CMPLT;
3061 break;
3062 case QLAFX00_INTR_ASYNC_CMPLT:
3063 case QLAFX00_INTR_RSP_ASYNC_CMPLT:
3064 ha->aenmb[0] = RD_REG_WORD(&reg->aenmailbox0);
3065 qlafx00_async_event(vha);
3066 clr_intr |= QLAFX00_INTR_ASYNC_CMPLT;
3067 break;
3068 case QLAFX00_INTR_RSP_CMPLT:
3069 qlafx00_process_response_queue(vha, rsp);
3070 clr_intr |= QLAFX00_INTR_RSP_CMPLT;
3071 break;
3072 default:
3073 ql_dbg(ql_dbg_async, vha, 0x507a,
3074 "Unrecognized interrupt type (%d).\n", stat);
3075 break;
3076 }
3077 QLAFX00_CLR_INTR_REG(ha, clr_intr);
3078 QLAFX00_RD_INTR_REG(ha);
3079 }
3080
3081 qla2x00_handle_mbx_completion(ha, status);
3082 spin_unlock_irqrestore(&ha->hardware_lock, flags);
3083
3084 return IRQ_HANDLED;
3085 }
3086
3087 /** QLAFX00 specific IOCB implementation functions */
3088
3089 static inline cont_a64_entry_t *
3090 qlafx00_prep_cont_type1_iocb(struct req_que *req,
3091 cont_a64_entry_t *lcont_pkt)
3092 {
3093 cont_a64_entry_t *cont_pkt;
3094
3095 /* Adjust ring index. */
3096 req->ring_index++;
3097 if (req->ring_index == req->length) {
3098 req->ring_index = 0;
3099 req->ring_ptr = req->ring;
3100 } else {
3101 req->ring_ptr++;
3102 }
3103
3104 cont_pkt = (cont_a64_entry_t *)req->ring_ptr;
3105
3106 /* Load packet defaults. */
3107 lcont_pkt->entry_type = CONTINUE_A64_TYPE_FX00;
3108
3109 return cont_pkt;
3110 }
3111
3112 static inline void
3113 qlafx00_build_scsi_iocbs(srb_t *sp, struct cmd_type_7_fx00 *cmd_pkt,
3114 uint16_t tot_dsds, struct cmd_type_7_fx00 *lcmd_pkt)
3115 {
3116 uint16_t avail_dsds;
3117 __le32 *cur_dsd;
3118 scsi_qla_host_t *vha;
3119 struct scsi_cmnd *cmd;
3120 struct scatterlist *sg;
3121 int i, cont;
3122 struct req_que *req;
3123 cont_a64_entry_t lcont_pkt;
3124 cont_a64_entry_t *cont_pkt;
3125
3126 vha = sp->fcport->vha;
3127 req = vha->req;
3128
3129 cmd = GET_CMD_SP(sp);
3130 cont = 0;
3131 cont_pkt = NULL;
3132
3133 /* Update entry type to indicate Command Type 3 IOCB */
3134 lcmd_pkt->entry_type = FX00_COMMAND_TYPE_7;
3135
3136 /* No data transfer */
3137 if (!scsi_bufflen(cmd) || cmd->sc_data_direction == DMA_NONE) {
3138 lcmd_pkt->byte_count = __constant_cpu_to_le32(0);
3139 return;
3140 }
3141
3142 /* Set transfer direction */
3143 if (cmd->sc_data_direction == DMA_TO_DEVICE) {
3144 lcmd_pkt->cntrl_flags = TMF_WRITE_DATA;
3145 vha->qla_stats.output_bytes += scsi_bufflen(cmd);
3146 } else if (cmd->sc_data_direction == DMA_FROM_DEVICE) {
3147 lcmd_pkt->cntrl_flags = TMF_READ_DATA;
3148 vha->qla_stats.input_bytes += scsi_bufflen(cmd);
3149 }
3150
3151 /* One DSD is available in the Command Type 3 IOCB */
3152 avail_dsds = 1;
3153 cur_dsd = (__le32 *)&lcmd_pkt->dseg_0_address;
3154
3155 /* Load data segments */
3156 scsi_for_each_sg(cmd, sg, tot_dsds, i) {
3157 dma_addr_t sle_dma;
3158
3159 /* Allocate additional continuation packets? */
3160 if (avail_dsds == 0) {
3161 /*
3162 * Five DSDs are available in the Continuation
3163 * Type 1 IOCB.
3164 */
3165 memset(&lcont_pkt, 0, REQUEST_ENTRY_SIZE);
3166 cont_pkt =
3167 qlafx00_prep_cont_type1_iocb(req, &lcont_pkt);
3168 cur_dsd = (__le32 *)lcont_pkt.dseg_0_address;
3169 avail_dsds = 5;
3170 cont = 1;
3171 }
3172
3173 sle_dma = sg_dma_address(sg);
3174 *cur_dsd++ = cpu_to_le32(LSD(sle_dma));
3175 *cur_dsd++ = cpu_to_le32(MSD(sle_dma));
3176 *cur_dsd++ = cpu_to_le32(sg_dma_len(sg));
3177 avail_dsds--;
3178 if (avail_dsds == 0 && cont == 1) {
3179 cont = 0;
3180 memcpy_toio((void __iomem *)cont_pkt, &lcont_pkt,
3181 REQUEST_ENTRY_SIZE);
3182 }
3183
3184 }
3185 if (avail_dsds != 0 && cont == 1) {
3186 memcpy_toio((void __iomem *)cont_pkt, &lcont_pkt,
3187 REQUEST_ENTRY_SIZE);
3188 }
3189 }
3190
3191 /**
3192 * qlafx00_start_scsi() - Send a SCSI command to the ISP
3193 * @sp: command to send to the ISP
3194 *
3195 * Returns non-zero if a failure occurred, else zero.
3196 */
3197 int
3198 qlafx00_start_scsi(srb_t *sp)
3199 {
3200 int ret, nseg;
3201 unsigned long flags;
3202 uint32_t index;
3203 uint32_t handle;
3204 uint16_t cnt;
3205 uint16_t req_cnt;
3206 uint16_t tot_dsds;
3207 struct req_que *req = NULL;
3208 struct rsp_que *rsp = NULL;
3209 struct scsi_cmnd *cmd = GET_CMD_SP(sp);
3210 struct scsi_qla_host *vha = sp->fcport->vha;
3211 struct qla_hw_data *ha = vha->hw;
3212 struct cmd_type_7_fx00 *cmd_pkt;
3213 struct cmd_type_7_fx00 lcmd_pkt;
3214 struct scsi_lun llun;
3215 char tag[2];
3216
3217 /* Setup device pointers. */
3218 ret = 0;
3219
3220 rsp = ha->rsp_q_map[0];
3221 req = vha->req;
3222
3223 /* So we know we haven't pci_map'ed anything yet */
3224 tot_dsds = 0;
3225
3226 /* Forcing marker needed for now */
3227 vha->marker_needed = 0;
3228
3229 /* Send marker if required */
3230 if (vha->marker_needed != 0) {
3231 if (qla2x00_marker(vha, req, rsp, 0, 0, MK_SYNC_ALL) !=
3232 QLA_SUCCESS)
3233 return QLA_FUNCTION_FAILED;
3234 vha->marker_needed = 0;
3235 }
3236
3237 /* Acquire ring specific lock */
3238 spin_lock_irqsave(&ha->hardware_lock, flags);
3239
3240 /* Check for room in outstanding command list. */
3241 handle = req->current_outstanding_cmd;
3242 for (index = 1; index < req->num_outstanding_cmds; index++) {
3243 handle++;
3244 if (handle == req->num_outstanding_cmds)
3245 handle = 1;
3246 if (!req->outstanding_cmds[handle])
3247 break;
3248 }
3249 if (index == req->num_outstanding_cmds)
3250 goto queuing_error;
3251
3252 /* Map the sg table so we have an accurate count of sg entries needed */
3253 if (scsi_sg_count(cmd)) {
3254 nseg = dma_map_sg(&ha->pdev->dev, scsi_sglist(cmd),
3255 scsi_sg_count(cmd), cmd->sc_data_direction);
3256 if (unlikely(!nseg))
3257 goto queuing_error;
3258 } else
3259 nseg = 0;
3260
3261 tot_dsds = nseg;
3262 req_cnt = qla24xx_calc_iocbs(vha, tot_dsds);
3263 if (req->cnt < (req_cnt + 2)) {
3264 cnt = RD_REG_DWORD_RELAXED(req->req_q_out);
3265
3266 if (req->ring_index < cnt)
3267 req->cnt = cnt - req->ring_index;
3268 else
3269 req->cnt = req->length -
3270 (req->ring_index - cnt);
3271 if (req->cnt < (req_cnt + 2))
3272 goto queuing_error;
3273 }
3274
3275 /* Build command packet. */
3276 req->current_outstanding_cmd = handle;
3277 req->outstanding_cmds[handle] = sp;
3278 sp->handle = handle;
3279 cmd->host_scribble = (unsigned char *)(unsigned long)handle;
3280 req->cnt -= req_cnt;
3281
3282 cmd_pkt = (struct cmd_type_7_fx00 *)req->ring_ptr;
3283
3284 memset(&lcmd_pkt, 0, REQUEST_ENTRY_SIZE);
3285
3286 lcmd_pkt.handle = MAKE_HANDLE(req->id, sp->handle);
3287 lcmd_pkt.handle_hi = 0;
3288 lcmd_pkt.dseg_count = cpu_to_le16(tot_dsds);
3289 lcmd_pkt.tgt_idx = cpu_to_le16(sp->fcport->tgt_id);
3290
3291 int_to_scsilun(cmd->device->lun, &llun);
3292 host_to_adap((uint8_t *)&llun, (uint8_t *)&lcmd_pkt.lun,
3293 sizeof(lcmd_pkt.lun));
3294
3295 /* Update tagged queuing modifier -- default is TSK_SIMPLE (0). */
3296 if (scsi_populate_tag_msg(cmd, tag)) {
3297 switch (tag[0]) {
3298 case HEAD_OF_QUEUE_TAG:
3299 lcmd_pkt.task = TSK_HEAD_OF_QUEUE;
3300 break;
3301 case ORDERED_QUEUE_TAG:
3302 lcmd_pkt.task = TSK_ORDERED;
3303 break;
3304 }
3305 }
3306
3307 /* Load SCSI command packet. */
3308 host_to_adap(cmd->cmnd, lcmd_pkt.fcp_cdb, sizeof(lcmd_pkt.fcp_cdb));
3309 lcmd_pkt.byte_count = cpu_to_le32((uint32_t)scsi_bufflen(cmd));
3310
3311 /* Build IOCB segments */
3312 qlafx00_build_scsi_iocbs(sp, cmd_pkt, tot_dsds, &lcmd_pkt);
3313
3314 /* Set total data segment count. */
3315 lcmd_pkt.entry_count = (uint8_t)req_cnt;
3316
3317 /* Specify response queue number where completion should happen */
3318 lcmd_pkt.entry_status = (uint8_t) rsp->id;
3319
3320 ql_dump_buffer(ql_dbg_io + ql_dbg_buffer, vha, 0x302e,
3321 (uint8_t *)cmd->cmnd, cmd->cmd_len);
3322 ql_dump_buffer(ql_dbg_io + ql_dbg_buffer, vha, 0x3032,
3323 (uint8_t *)&lcmd_pkt, REQUEST_ENTRY_SIZE);
3324
3325 memcpy_toio((void __iomem *)cmd_pkt, &lcmd_pkt, REQUEST_ENTRY_SIZE);
3326 wmb();
3327
3328 /* Adjust ring index. */
3329 req->ring_index++;
3330 if (req->ring_index == req->length) {
3331 req->ring_index = 0;
3332 req->ring_ptr = req->ring;
3333 } else
3334 req->ring_ptr++;
3335
3336 sp->flags |= SRB_DMA_VALID;
3337
3338 /* Set chip new ring index. */
3339 WRT_REG_DWORD(req->req_q_in, req->ring_index);
3340 QLAFX00_SET_HST_INTR(ha, ha->rqstq_intr_code);
3341
3342 spin_unlock_irqrestore(&ha->hardware_lock, flags);
3343 return QLA_SUCCESS;
3344
3345 queuing_error:
3346 if (tot_dsds)
3347 scsi_dma_unmap(cmd);
3348
3349 spin_unlock_irqrestore(&ha->hardware_lock, flags);
3350
3351 return QLA_FUNCTION_FAILED;
3352 }
3353
3354 void
3355 qlafx00_tm_iocb(srb_t *sp, struct tsk_mgmt_entry_fx00 *ptm_iocb)
3356 {
3357 struct srb_iocb *fxio = &sp->u.iocb_cmd;
3358 scsi_qla_host_t *vha = sp->fcport->vha;
3359 struct req_que *req = vha->req;
3360 struct tsk_mgmt_entry_fx00 tm_iocb;
3361 struct scsi_lun llun;
3362
3363 memset(&tm_iocb, 0, sizeof(struct tsk_mgmt_entry_fx00));
3364 tm_iocb.entry_type = TSK_MGMT_IOCB_TYPE_FX00;
3365 tm_iocb.entry_count = 1;
3366 tm_iocb.handle = cpu_to_le32(MAKE_HANDLE(req->id, sp->handle));
3367 tm_iocb.handle_hi = 0;
3368 tm_iocb.timeout = cpu_to_le16(qla2x00_get_async_timeout(vha) + 2);
3369 tm_iocb.tgt_id = cpu_to_le16(sp->fcport->tgt_id);
3370 tm_iocb.control_flags = cpu_to_le32(fxio->u.tmf.flags);
3371 if (tm_iocb.control_flags == cpu_to_le32((uint32_t)TCF_LUN_RESET)) {
3372 int_to_scsilun(fxio->u.tmf.lun, &llun);
3373 host_to_adap((uint8_t *)&llun, (uint8_t *)&tm_iocb.lun,
3374 sizeof(struct scsi_lun));
3375 }
3376
3377 memcpy((void *)ptm_iocb, &tm_iocb,
3378 sizeof(struct tsk_mgmt_entry_fx00));
3379 wmb();
3380 }
3381
3382 void
3383 qlafx00_abort_iocb(srb_t *sp, struct abort_iocb_entry_fx00 *pabt_iocb)
3384 {
3385 struct srb_iocb *fxio = &sp->u.iocb_cmd;
3386 scsi_qla_host_t *vha = sp->fcport->vha;
3387 struct req_que *req = vha->req;
3388 struct abort_iocb_entry_fx00 abt_iocb;
3389
3390 memset(&abt_iocb, 0, sizeof(struct abort_iocb_entry_fx00));
3391 abt_iocb.entry_type = ABORT_IOCB_TYPE_FX00;
3392 abt_iocb.entry_count = 1;
3393 abt_iocb.handle = cpu_to_le32(MAKE_HANDLE(req->id, sp->handle));
3394 abt_iocb.abort_handle =
3395 cpu_to_le32(MAKE_HANDLE(req->id, fxio->u.abt.cmd_hndl));
3396 abt_iocb.tgt_id_sts = cpu_to_le16(sp->fcport->tgt_id);
3397 abt_iocb.req_que_no = cpu_to_le16(req->id);
3398
3399 memcpy((void *)pabt_iocb, &abt_iocb,
3400 sizeof(struct abort_iocb_entry_fx00));
3401 wmb();
3402 }
3403
3404 void
3405 qlafx00_fxdisc_iocb(srb_t *sp, struct fxdisc_entry_fx00 *pfxiocb)
3406 {
3407 struct srb_iocb *fxio = &sp->u.iocb_cmd;
3408 struct qla_mt_iocb_rqst_fx00 *piocb_rqst;
3409 struct fc_bsg_job *bsg_job;
3410 struct fxdisc_entry_fx00 fx_iocb;
3411 uint8_t entry_cnt = 1;
3412
3413 memset(&fx_iocb, 0, sizeof(struct fxdisc_entry_fx00));
3414 fx_iocb.entry_type = FX00_IOCB_TYPE;
3415 fx_iocb.handle = cpu_to_le32(sp->handle);
3416 fx_iocb.entry_count = entry_cnt;
3417
3418 if (sp->type == SRB_FXIOCB_DCMD) {
3419 fx_iocb.func_num =
3420 sp->u.iocb_cmd.u.fxiocb.req_func_type;
3421 fx_iocb.adapid = fxio->u.fxiocb.adapter_id;
3422 fx_iocb.adapid_hi = fxio->u.fxiocb.adapter_id_hi;
3423 fx_iocb.reserved_0 = fxio->u.fxiocb.reserved_0;
3424 fx_iocb.reserved_1 = fxio->u.fxiocb.reserved_1;
3425 fx_iocb.dataword_extra = fxio->u.fxiocb.req_data_extra;
3426
3427 if (fxio->u.fxiocb.flags & SRB_FXDISC_REQ_DMA_VALID) {
3428 fx_iocb.req_dsdcnt = cpu_to_le16(1);
3429 fx_iocb.req_xfrcnt =
3430 cpu_to_le16(fxio->u.fxiocb.req_len);
3431 fx_iocb.dseg_rq_address[0] =
3432 cpu_to_le32(LSD(fxio->u.fxiocb.req_dma_handle));
3433 fx_iocb.dseg_rq_address[1] =
3434 cpu_to_le32(MSD(fxio->u.fxiocb.req_dma_handle));
3435 fx_iocb.dseg_rq_len =
3436 cpu_to_le32(fxio->u.fxiocb.req_len);
3437 }
3438
3439 if (fxio->u.fxiocb.flags & SRB_FXDISC_RESP_DMA_VALID) {
3440 fx_iocb.rsp_dsdcnt = cpu_to_le16(1);
3441 fx_iocb.rsp_xfrcnt =
3442 cpu_to_le16(fxio->u.fxiocb.rsp_len);
3443 fx_iocb.dseg_rsp_address[0] =
3444 cpu_to_le32(LSD(fxio->u.fxiocb.rsp_dma_handle));
3445 fx_iocb.dseg_rsp_address[1] =
3446 cpu_to_le32(MSD(fxio->u.fxiocb.rsp_dma_handle));
3447 fx_iocb.dseg_rsp_len =
3448 cpu_to_le32(fxio->u.fxiocb.rsp_len);
3449 }
3450
3451 if (fxio->u.fxiocb.flags & SRB_FXDISC_REQ_DWRD_VALID) {
3452 fx_iocb.dataword = fxio->u.fxiocb.req_data;
3453 }
3454 fx_iocb.flags = fxio->u.fxiocb.flags;
3455 } else {
3456 struct scatterlist *sg;
3457 bsg_job = sp->u.bsg_job;
3458 piocb_rqst = (struct qla_mt_iocb_rqst_fx00 *)
3459 &bsg_job->request->rqst_data.h_vendor.vendor_cmd[1];
3460
3461 fx_iocb.func_num = piocb_rqst->func_type;
3462 fx_iocb.adapid = piocb_rqst->adapid;
3463 fx_iocb.adapid_hi = piocb_rqst->adapid_hi;
3464 fx_iocb.reserved_0 = piocb_rqst->reserved_0;
3465 fx_iocb.reserved_1 = piocb_rqst->reserved_1;
3466 fx_iocb.dataword_extra = piocb_rqst->dataword_extra;
3467 fx_iocb.dataword = piocb_rqst->dataword;
3468 fx_iocb.req_xfrcnt = piocb_rqst->req_len;
3469 fx_iocb.rsp_xfrcnt = piocb_rqst->rsp_len;
3470
3471 if (piocb_rqst->flags & SRB_FXDISC_REQ_DMA_VALID) {
3472 int avail_dsds, tot_dsds;
3473 cont_a64_entry_t lcont_pkt;
3474 cont_a64_entry_t *cont_pkt = NULL;
3475 __le32 *cur_dsd;
3476 int index = 0, cont = 0;
3477
3478 fx_iocb.req_dsdcnt =
3479 cpu_to_le16(bsg_job->request_payload.sg_cnt);
3480 tot_dsds =
3481 bsg_job->request_payload.sg_cnt;
3482 cur_dsd = (__le32 *)&fx_iocb.dseg_rq_address[0];
3483 avail_dsds = 1;
3484 for_each_sg(bsg_job->request_payload.sg_list, sg,
3485 tot_dsds, index) {
3486 dma_addr_t sle_dma;
3487
3488 /* Allocate additional continuation packets? */
3489 if (avail_dsds == 0) {
3490 /*
3491 * Five DSDs are available in the Cont.
3492 * Type 1 IOCB.
3493 */
3494 memset(&lcont_pkt, 0,
3495 REQUEST_ENTRY_SIZE);
3496 cont_pkt =
3497 qlafx00_prep_cont_type1_iocb(
3498 sp->fcport->vha->req,
3499 &lcont_pkt);
3500 cur_dsd = (__le32 *)
3501 lcont_pkt.dseg_0_address;
3502 avail_dsds = 5;
3503 cont = 1;
3504 entry_cnt++;
3505 }
3506
3507 sle_dma = sg_dma_address(sg);
3508 *cur_dsd++ = cpu_to_le32(LSD(sle_dma));
3509 *cur_dsd++ = cpu_to_le32(MSD(sle_dma));
3510 *cur_dsd++ = cpu_to_le32(sg_dma_len(sg));
3511 avail_dsds--;
3512
3513 if (avail_dsds == 0 && cont == 1) {
3514 cont = 0;
3515 memcpy_toio(
3516 (void __iomem *)cont_pkt,
3517 &lcont_pkt, REQUEST_ENTRY_SIZE);
3518 ql_dump_buffer(
3519 ql_dbg_user + ql_dbg_verbose,
3520 sp->fcport->vha, 0x3042,
3521 (uint8_t *)&lcont_pkt,
3522 REQUEST_ENTRY_SIZE);
3523 }
3524 }
3525 if (avail_dsds != 0 && cont == 1) {
3526 memcpy_toio((void __iomem *)cont_pkt,
3527 &lcont_pkt, REQUEST_ENTRY_SIZE);
3528 ql_dump_buffer(ql_dbg_user + ql_dbg_verbose,
3529 sp->fcport->vha, 0x3043,
3530 (uint8_t *)&lcont_pkt, REQUEST_ENTRY_SIZE);
3531 }
3532 }
3533
3534 if (piocb_rqst->flags & SRB_FXDISC_RESP_DMA_VALID) {
3535 int avail_dsds, tot_dsds;
3536 cont_a64_entry_t lcont_pkt;
3537 cont_a64_entry_t *cont_pkt = NULL;
3538 __le32 *cur_dsd;
3539 int index = 0, cont = 0;
3540
3541 fx_iocb.rsp_dsdcnt =
3542 cpu_to_le16(bsg_job->reply_payload.sg_cnt);
3543 tot_dsds = bsg_job->reply_payload.sg_cnt;
3544 cur_dsd = (__le32 *)&fx_iocb.dseg_rsp_address[0];
3545 avail_dsds = 1;
3546
3547 for_each_sg(bsg_job->reply_payload.sg_list, sg,
3548 tot_dsds, index) {
3549 dma_addr_t sle_dma;
3550
3551 /* Allocate additional continuation packets? */
3552 if (avail_dsds == 0) {
3553 /*
3554 * Five DSDs are available in the Cont.
3555 * Type 1 IOCB.
3556 */
3557 memset(&lcont_pkt, 0,
3558 REQUEST_ENTRY_SIZE);
3559 cont_pkt =
3560 qlafx00_prep_cont_type1_iocb(
3561 sp->fcport->vha->req,
3562 &lcont_pkt);
3563 cur_dsd = (__le32 *)
3564 lcont_pkt.dseg_0_address;
3565 avail_dsds = 5;
3566 cont = 1;
3567 entry_cnt++;
3568 }
3569
3570 sle_dma = sg_dma_address(sg);
3571 *cur_dsd++ = cpu_to_le32(LSD(sle_dma));
3572 *cur_dsd++ = cpu_to_le32(MSD(sle_dma));
3573 *cur_dsd++ = cpu_to_le32(sg_dma_len(sg));
3574 avail_dsds--;
3575
3576 if (avail_dsds == 0 && cont == 1) {
3577 cont = 0;
3578 memcpy_toio((void __iomem *)cont_pkt,
3579 &lcont_pkt,
3580 REQUEST_ENTRY_SIZE);
3581 ql_dump_buffer(
3582 ql_dbg_user + ql_dbg_verbose,
3583 sp->fcport->vha, 0x3045,
3584 (uint8_t *)&lcont_pkt,
3585 REQUEST_ENTRY_SIZE);
3586 }
3587 }
3588 if (avail_dsds != 0 && cont == 1) {
3589 memcpy_toio((void __iomem *)cont_pkt,
3590 &lcont_pkt, REQUEST_ENTRY_SIZE);
3591 ql_dump_buffer(ql_dbg_user + ql_dbg_verbose,
3592 sp->fcport->vha, 0x3046,
3593 (uint8_t *)&lcont_pkt, REQUEST_ENTRY_SIZE);
3594 }
3595 }
3596
3597 if (piocb_rqst->flags & SRB_FXDISC_REQ_DWRD_VALID)
3598 fx_iocb.dataword = piocb_rqst->dataword;
3599 fx_iocb.flags = piocb_rqst->flags;
3600 fx_iocb.entry_count = entry_cnt;
3601 }
3602
3603 ql_dump_buffer(ql_dbg_user + ql_dbg_verbose,
3604 sp->fcport->vha, 0x3047,
3605 (uint8_t *)&fx_iocb, sizeof(struct fxdisc_entry_fx00));
3606
3607 memcpy((void *)pfxiocb, &fx_iocb,
3608 sizeof(struct fxdisc_entry_fx00));
3609 wmb();
3610 }
Linux with added FPC-III support