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blk-mq: always free hctx after request queue is freed
[linux/fpc-iii.git] / drivers / scsi / qla2xxx / qla_mr.c
blob60f964c53c01a76023b627666548c3b9e0203aca
1 /*
2 * QLogic Fibre Channel HBA Driver
3 * Copyright (c) 2003-2014 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/ktime.h>
10 #include <linux/pci.h>
11 #include <linux/ratelimit.h>
12 #include <linux/vmalloc.h>
13 #include <linux/bsg-lib.h>
14 #include <scsi/scsi_tcq.h>
15 #include <linux/utsname.h>
16
17
18 /* QLAFX00 specific Mailbox implementation functions */
19
20 /*
21 * qlafx00_mailbox_command
22 * Issue mailbox command and waits for completion.
23 *
24 * Input:
25 * ha = adapter block pointer.
26 * mcp = driver internal mbx struct pointer.
27 *
28 * Output:
29 * mb[MAX_MAILBOX_REGISTER_COUNT] = returned mailbox data.
30 *
31 * Returns:
32 * 0 : QLA_SUCCESS = cmd performed success
33 * 1 : QLA_FUNCTION_FAILED (error encountered)
34 * 6 : QLA_FUNCTION_TIMEOUT (timeout condition encountered)
35 *
36 * Context:
37 * Kernel context.
38 */
39 static int
40 qlafx00_mailbox_command(scsi_qla_host_t *vha, struct mbx_cmd_32 *mcp)
41
42 {
43 int rval;
44 unsigned long flags = 0;
45 device_reg_t *reg;
46 uint8_t abort_active;
47 uint8_t io_lock_on;
48 uint16_t command = 0;
49 uint32_t *iptr;
50 uint32_t __iomem *optr;
51 uint32_t cnt;
52 uint32_t mboxes;
53 unsigned long wait_time;
54 struct qla_hw_data *ha = vha->hw;
55 scsi_qla_host_t *base_vha = pci_get_drvdata(ha->pdev);
56
57 if (ha->pdev->error_state > pci_channel_io_frozen) {
58 ql_log(ql_log_warn, vha, 0x115c,
59 "error_state is greater than pci_channel_io_frozen, "
60 "exiting.\n");
61 return QLA_FUNCTION_TIMEOUT;
62 }
63
64 if (vha->device_flags & DFLG_DEV_FAILED) {
65 ql_log(ql_log_warn, vha, 0x115f,
66 "Device in failed state, exiting.\n");
67 return QLA_FUNCTION_TIMEOUT;
68 }
69
70 reg = ha->iobase;
71 io_lock_on = base_vha->flags.init_done;
72
73 rval = QLA_SUCCESS;
74 abort_active = test_bit(ABORT_ISP_ACTIVE, &base_vha->dpc_flags);
75
76 if (ha->flags.pci_channel_io_perm_failure) {
77 ql_log(ql_log_warn, vha, 0x1175,
78 "Perm failure on EEH timeout MBX, exiting.\n");
79 return QLA_FUNCTION_TIMEOUT;
80 }
81
82 if (ha->flags.isp82xx_fw_hung) {
83 /* Setting Link-Down error */
84 mcp->mb[0] = MBS_LINK_DOWN_ERROR;
85 ql_log(ql_log_warn, vha, 0x1176,
86 "FW hung = %d.\n", ha->flags.isp82xx_fw_hung);
87 rval = QLA_FUNCTION_FAILED;
88 goto premature_exit;
89 }
90
91 /*
92 * Wait for active mailbox commands to finish by waiting at most tov
93 * seconds. This is to serialize actual issuing of mailbox cmds during
94 * non ISP abort time.
95 */
96 if (!wait_for_completion_timeout(&ha->mbx_cmd_comp, mcp->tov * HZ)) {
97 /* Timeout occurred. Return error. */
98 ql_log(ql_log_warn, vha, 0x1177,
99 "Cmd access timeout, cmd=0x%x, Exiting.\n",
100 mcp->mb[0]);
101 return QLA_FUNCTION_TIMEOUT;
102 }
103
104 ha->flags.mbox_busy = 1;
105 /* Save mailbox command for debug */
106 ha->mcp32 = mcp;
107
108 ql_dbg(ql_dbg_mbx, vha, 0x1178,
109 "Prepare to issue mbox cmd=0x%x.\n", mcp->mb[0]);
110
111 spin_lock_irqsave(&ha->hardware_lock, flags);
112
113 /* Load mailbox registers. */
114 optr = (uint32_t __iomem *)&reg->ispfx00.mailbox0;
115
116 iptr = mcp->mb;
117 command = mcp->mb[0];
118 mboxes = mcp->out_mb;
119
120 for (cnt = 0; cnt < ha->mbx_count; cnt++) {
121 if (mboxes & BIT_0)
122 WRT_REG_DWORD(optr, *iptr);
123
124 mboxes >>= 1;
125 optr++;
126 iptr++;
127 }
128
129 /* Issue set host interrupt command to send cmd out. */
130 ha->flags.mbox_int = 0;
131 clear_bit(MBX_INTERRUPT, &ha->mbx_cmd_flags);
132
133 ql_dump_buffer(ql_dbg_mbx + ql_dbg_buffer, vha, 0x1172,
134 (uint8_t *)mcp->mb, 16);
135 ql_dump_buffer(ql_dbg_mbx + ql_dbg_buffer, vha, 0x1173,
136 ((uint8_t *)mcp->mb + 0x10), 16);
137 ql_dump_buffer(ql_dbg_mbx + ql_dbg_buffer, vha, 0x1174,
138 ((uint8_t *)mcp->mb + 0x20), 8);
139
140 /* Unlock mbx registers and wait for interrupt */
141 ql_dbg(ql_dbg_mbx, vha, 0x1179,
142 "Going to unlock irq & waiting for interrupts. "
143 "jiffies=%lx.\n", jiffies);
144
145 /* Wait for mbx cmd completion until timeout */
146 if ((!abort_active && io_lock_on) || IS_NOPOLLING_TYPE(ha)) {
147 set_bit(MBX_INTR_WAIT, &ha->mbx_cmd_flags);
148
149 QLAFX00_SET_HST_INTR(ha, ha->mbx_intr_code);
150 spin_unlock_irqrestore(&ha->hardware_lock, flags);
151
152 wait_for_completion_timeout(&ha->mbx_intr_comp, mcp->tov * HZ);
153 } else {
154 ql_dbg(ql_dbg_mbx, vha, 0x112c,
155 "Cmd=%x Polling Mode.\n", command);
156
157 QLAFX00_SET_HST_INTR(ha, ha->mbx_intr_code);
158 spin_unlock_irqrestore(&ha->hardware_lock, flags);
159
160 wait_time = jiffies + mcp->tov * HZ; /* wait at most tov secs */
161 while (!ha->flags.mbox_int) {
162 if (time_after(jiffies, wait_time))
163 break;
164
165 /* Check for pending interrupts. */
166 qla2x00_poll(ha->rsp_q_map[0]);
167
168 if (!ha->flags.mbox_int &&
169 !(IS_QLA2200(ha) &&
170 command == MBC_LOAD_RISC_RAM_EXTENDED))
171 usleep_range(10000, 11000);
172 } /* while */
173 ql_dbg(ql_dbg_mbx, vha, 0x112d,
174 "Waited %d sec.\n",
175 (uint)((jiffies - (wait_time - (mcp->tov * HZ)))/HZ));
176 }
177
178 /* Check whether we timed out */
179 if (ha->flags.mbox_int) {
180 uint32_t *iptr2;
181
182 ql_dbg(ql_dbg_mbx, vha, 0x112e,
183 "Cmd=%x completed.\n", command);
184
185 /* Got interrupt. Clear the flag. */
186 ha->flags.mbox_int = 0;
187 clear_bit(MBX_INTERRUPT, &ha->mbx_cmd_flags);
188
189 if (ha->mailbox_out32[0] != MBS_COMMAND_COMPLETE)
190 rval = QLA_FUNCTION_FAILED;
191
192 /* Load return mailbox registers. */
193 iptr2 = mcp->mb;
194 iptr = (uint32_t *)&ha->mailbox_out32[0];
195 mboxes = mcp->in_mb;
196 for (cnt = 0; cnt < ha->mbx_count; cnt++) {
197 if (mboxes & BIT_0)
198 *iptr2 = *iptr;
199
200 mboxes >>= 1;
201 iptr2++;
202 iptr++;
203 }
204 } else {
205
206 rval = QLA_FUNCTION_TIMEOUT;
207 }
208
209 ha->flags.mbox_busy = 0;
210
211 /* Clean up */
212 ha->mcp32 = NULL;
213
214 if ((abort_active || !io_lock_on) && !IS_NOPOLLING_TYPE(ha)) {
215 ql_dbg(ql_dbg_mbx, vha, 0x113a,
216 "checking for additional resp interrupt.\n");
217
218 /* polling mode for non isp_abort commands. */
219 qla2x00_poll(ha->rsp_q_map[0]);
220 }
221
222 if (rval == QLA_FUNCTION_TIMEOUT &&
223 mcp->mb[0] != MBC_GEN_SYSTEM_ERROR) {
224 if (!io_lock_on || (mcp->flags & IOCTL_CMD) ||
225 ha->flags.eeh_busy) {
226 /* not in dpc. schedule it for dpc to take over. */
227 ql_dbg(ql_dbg_mbx, vha, 0x115d,
228 "Timeout, schedule isp_abort_needed.\n");
229
230 if (!test_bit(ISP_ABORT_NEEDED, &vha->dpc_flags) &&
231 !test_bit(ABORT_ISP_ACTIVE, &vha->dpc_flags) &&
232 !test_bit(ISP_ABORT_RETRY, &vha->dpc_flags)) {
233
234 ql_log(ql_log_info, base_vha, 0x115e,
235 "Mailbox cmd timeout occurred, cmd=0x%x, "
236 "mb[0]=0x%x, eeh_busy=0x%x. Scheduling ISP "
237 "abort.\n", command, mcp->mb[0],
238 ha->flags.eeh_busy);
239 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
240 qla2xxx_wake_dpc(vha);
241 }
242 } else if (!abort_active) {
243 /* call abort directly since we are in the DPC thread */
244 ql_dbg(ql_dbg_mbx, vha, 0x1160,
245 "Timeout, calling abort_isp.\n");
246
247 if (!test_bit(ISP_ABORT_NEEDED, &vha->dpc_flags) &&
248 !test_bit(ABORT_ISP_ACTIVE, &vha->dpc_flags) &&
249 !test_bit(ISP_ABORT_RETRY, &vha->dpc_flags)) {
250
251 ql_log(ql_log_info, base_vha, 0x1161,
252 "Mailbox cmd timeout occurred, cmd=0x%x, "
253 "mb[0]=0x%x. Scheduling ISP abort ",
254 command, mcp->mb[0]);
255
256 set_bit(ABORT_ISP_ACTIVE, &vha->dpc_flags);
257 clear_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
258 if (ha->isp_ops->abort_isp(vha)) {
259 /* Failed. retry later. */
260 set_bit(ISP_ABORT_NEEDED,
261 &vha->dpc_flags);
262 }
263 clear_bit(ABORT_ISP_ACTIVE, &vha->dpc_flags);
264 ql_dbg(ql_dbg_mbx, vha, 0x1162,
265 "Finished abort_isp.\n");
266 }
267 }
268 }
269
270 premature_exit:
271 /* Allow next mbx cmd to come in. */
272 complete(&ha->mbx_cmd_comp);
273
274 if (rval) {
275 ql_log(ql_log_warn, base_vha, 0x1163,
276 "**** Failed mbx[0]=%x, mb[1]=%x, mb[2]=%x, "
277 "mb[3]=%x, cmd=%x ****.\n",
278 mcp->mb[0], mcp->mb[1], mcp->mb[2], mcp->mb[3], command);
279 } else {
280 ql_dbg(ql_dbg_mbx, base_vha, 0x1164, "Done %s.\n", __func__);
281 }
282
283 return rval;
284 }
285
286 /*
287 * qlafx00_driver_shutdown
288 * Indicate a driver shutdown to firmware.
289 *
290 * Input:
291 * ha = adapter block pointer.
292 *
293 * Returns:
294 * local function return status code.
295 *
296 * Context:
297 * Kernel context.
298 */
299 int
300 qlafx00_driver_shutdown(scsi_qla_host_t *vha, int tmo)
301 {
302 int rval;
303 struct mbx_cmd_32 mc;
304 struct mbx_cmd_32 *mcp = &mc;
305
306 ql_dbg(ql_dbg_mbx + ql_dbg_verbose, vha, 0x1166,
307 "Entered %s.\n", __func__);
308
309 mcp->mb[0] = MBC_MR_DRV_SHUTDOWN;
310 mcp->out_mb = MBX_0;
311 mcp->in_mb = MBX_0;
312 if (tmo)
313 mcp->tov = tmo;
314 else
315 mcp->tov = MBX_TOV_SECONDS;
316 mcp->flags = 0;
317 rval = qlafx00_mailbox_command(vha, mcp);
318
319 if (rval != QLA_SUCCESS) {
320 ql_dbg(ql_dbg_mbx, vha, 0x1167,
321 "Failed=%x.\n", rval);
322 } else {
323 ql_dbg(ql_dbg_mbx + ql_dbg_verbose, vha, 0x1168,
324 "Done %s.\n", __func__);
325 }
326
327 return rval;
328 }
329
330 /*
331 * qlafx00_get_firmware_state
332 * Get adapter firmware state.
333 *
334 * Input:
335 * ha = adapter block pointer.
336 * TARGET_QUEUE_LOCK must be released.
337 * ADAPTER_STATE_LOCK must be released.
338 *
339 * Returns:
340 * qla7xxx local function return status code.
341 *
342 * Context:
343 * Kernel context.
344 */
345 static int
346 qlafx00_get_firmware_state(scsi_qla_host_t *vha, uint32_t *states)
347 {
348 int rval;
349 struct mbx_cmd_32 mc;
350 struct mbx_cmd_32 *mcp = &mc;
351
352 ql_dbg(ql_dbg_mbx + ql_dbg_verbose, vha, 0x1169,
353 "Entered %s.\n", __func__);
354
355 mcp->mb[0] = MBC_GET_FIRMWARE_STATE;
356 mcp->out_mb = MBX_0;
357 mcp->in_mb = MBX_1|MBX_0;
358 mcp->tov = MBX_TOV_SECONDS;
359 mcp->flags = 0;
360 rval = qlafx00_mailbox_command(vha, mcp);
361
362 /* Return firmware states. */
363 states[0] = mcp->mb[1];
364
365 if (rval != QLA_SUCCESS) {
366 ql_dbg(ql_dbg_mbx, vha, 0x116a,
367 "Failed=%x mb[0]=%x.\n", rval, mcp->mb[0]);
368 } else {
369 ql_dbg(ql_dbg_mbx + ql_dbg_verbose, vha, 0x116b,
370 "Done %s.\n", __func__);
371 }
372 return rval;
373 }
374
375 /*
376 * qlafx00_init_firmware
377 * Initialize adapter firmware.
378 *
379 * Input:
380 * ha = adapter block pointer.
381 * dptr = Initialization control block pointer.
382 * size = size of initialization control block.
383 * TARGET_QUEUE_LOCK must be released.
384 * ADAPTER_STATE_LOCK must be released.
385 *
386 * Returns:
387 * qlafx00 local function return status code.
388 *
389 * Context:
390 * Kernel context.
391 */
392 int
393 qlafx00_init_firmware(scsi_qla_host_t *vha, uint16_t size)
394 {
395 int rval;
396 struct mbx_cmd_32 mc;
397 struct mbx_cmd_32 *mcp = &mc;
398 struct qla_hw_data *ha = vha->hw;
399
400 ql_dbg(ql_dbg_mbx + ql_dbg_verbose, vha, 0x116c,
401 "Entered %s.\n", __func__);
402
403 mcp->mb[0] = MBC_INITIALIZE_FIRMWARE;
404
405 mcp->mb[1] = 0;
406 mcp->mb[2] = MSD(ha->init_cb_dma);
407 mcp->mb[3] = LSD(ha->init_cb_dma);
408
409 mcp->out_mb = MBX_3|MBX_2|MBX_1|MBX_0;
410 mcp->in_mb = MBX_0;
411 mcp->buf_size = size;
412 mcp->flags = MBX_DMA_OUT;
413 mcp->tov = MBX_TOV_SECONDS;
414 rval = qlafx00_mailbox_command(vha, mcp);
415
416 if (rval != QLA_SUCCESS) {
417 ql_dbg(ql_dbg_mbx, vha, 0x116d,
418 "Failed=%x mb[0]=%x.\n", rval, mcp->mb[0]);
419 } else {
420 ql_dbg(ql_dbg_mbx + ql_dbg_verbose, vha, 0x116e,
421 "Done %s.\n", __func__);
422 }
423 return rval;
424 }
425
426 /*
427 * qlafx00_mbx_reg_test
428 */
429 static int
430 qlafx00_mbx_reg_test(scsi_qla_host_t *vha)
431 {
432 int rval;
433 struct mbx_cmd_32 mc;
434 struct mbx_cmd_32 *mcp = &mc;
435
436 ql_dbg(ql_dbg_mbx + ql_dbg_verbose, vha, 0x116f,
437 "Entered %s.\n", __func__);
438
439
440 mcp->mb[0] = MBC_MAILBOX_REGISTER_TEST;
441 mcp->mb[1] = 0xAAAA;
442 mcp->mb[2] = 0x5555;
443 mcp->mb[3] = 0xAA55;
444 mcp->mb[4] = 0x55AA;
445 mcp->mb[5] = 0xA5A5;
446 mcp->mb[6] = 0x5A5A;
447 mcp->mb[7] = 0x2525;
448 mcp->mb[8] = 0xBBBB;
449 mcp->mb[9] = 0x6666;
450 mcp->mb[10] = 0xBB66;
451 mcp->mb[11] = 0x66BB;
452 mcp->mb[12] = 0xB6B6;
453 mcp->mb[13] = 0x6B6B;
454 mcp->mb[14] = 0x3636;
455 mcp->mb[15] = 0xCCCC;
456
457
458 mcp->out_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->in_mb = MBX_15|MBX_14|MBX_13|MBX_12|MBX_11|MBX_10|MBX_9|MBX_8|
461 MBX_7|MBX_6|MBX_5|MBX_4|MBX_3|MBX_2|MBX_1|MBX_0;
462 mcp->buf_size = 0;
463 mcp->flags = MBX_DMA_OUT;
464 mcp->tov = MBX_TOV_SECONDS;
465 rval = qlafx00_mailbox_command(vha, mcp);
466 if (rval == QLA_SUCCESS) {
467 if (mcp->mb[17] != 0xAAAA || mcp->mb[18] != 0x5555 ||
468 mcp->mb[19] != 0xAA55 || mcp->mb[20] != 0x55AA)
469 rval = QLA_FUNCTION_FAILED;
470 if (mcp->mb[21] != 0xA5A5 || mcp->mb[22] != 0x5A5A ||
471 mcp->mb[23] != 0x2525 || mcp->mb[24] != 0xBBBB)
472 rval = QLA_FUNCTION_FAILED;
473 if (mcp->mb[25] != 0x6666 || mcp->mb[26] != 0xBB66 ||
474 mcp->mb[27] != 0x66BB || mcp->mb[28] != 0xB6B6)
475 rval = QLA_FUNCTION_FAILED;
476 if (mcp->mb[29] != 0x6B6B || mcp->mb[30] != 0x3636 ||
477 mcp->mb[31] != 0xCCCC)
478 rval = QLA_FUNCTION_FAILED;
479 }
480
481 if (rval != QLA_SUCCESS) {
482 ql_dbg(ql_dbg_mbx, vha, 0x1170,
483 "Failed=%x mb[0]=%x.\n", rval, mcp->mb[0]);
484 } else {
485 ql_dbg(ql_dbg_mbx + ql_dbg_verbose, vha, 0x1171,
486 "Done %s.\n", __func__);
487 }
488 return rval;
489 }
490
491 /**
492 * qlafx00_pci_config() - Setup ISPFx00 PCI configuration registers.
493 * @vha: HA context
494 *
495 * Returns 0 on success.
496 */
497 int
498 qlafx00_pci_config(scsi_qla_host_t *vha)
499 {
500 uint16_t w;
501 struct qla_hw_data *ha = vha->hw;
502
503 pci_set_master(ha->pdev);
504 pci_try_set_mwi(ha->pdev);
505
506 pci_read_config_word(ha->pdev, PCI_COMMAND, &w);
507 w |= (PCI_COMMAND_PARITY | PCI_COMMAND_SERR);
508 w &= ~PCI_COMMAND_INTX_DISABLE;
509 pci_write_config_word(ha->pdev, PCI_COMMAND, w);
510
511 /* PCIe -- adjust Maximum Read Request Size (2048). */
512 if (pci_is_pcie(ha->pdev))
513 pcie_set_readrq(ha->pdev, 2048);
514
515 ha->chip_revision = ha->pdev->revision;
516
517 return QLA_SUCCESS;
518 }
519
520 /**
521 * qlafx00_warm_reset() - Perform warm reset of iSA(CPUs being reset on SOC).
522 * @vha: HA context
523 *
524 */
525 static inline void
526 qlafx00_soc_cpu_reset(scsi_qla_host_t *vha)
527 {
528 unsigned long flags = 0;
529 struct qla_hw_data *ha = vha->hw;
530 int i, core;
531 uint32_t cnt;
532 uint32_t reg_val;
533
534 spin_lock_irqsave(&ha->hardware_lock, flags);
535
536 QLAFX00_SET_HBA_SOC_REG(ha, 0x80004, 0);
537 QLAFX00_SET_HBA_SOC_REG(ha, 0x82004, 0);
538
539 /* stop the XOR DMA engines */
540 QLAFX00_SET_HBA_SOC_REG(ha, 0x60920, 0x02);
541 QLAFX00_SET_HBA_SOC_REG(ha, 0x60924, 0x02);
542 QLAFX00_SET_HBA_SOC_REG(ha, 0xf0920, 0x02);
543 QLAFX00_SET_HBA_SOC_REG(ha, 0xf0924, 0x02);
544
545 /* stop the IDMA engines */
546 reg_val = QLAFX00_GET_HBA_SOC_REG(ha, 0x60840);
547 reg_val &= ~(1<<12);
548 QLAFX00_SET_HBA_SOC_REG(ha, 0x60840, reg_val);
549
550 reg_val = QLAFX00_GET_HBA_SOC_REG(ha, 0x60844);
551 reg_val &= ~(1<<12);
552 QLAFX00_SET_HBA_SOC_REG(ha, 0x60844, reg_val);
553
554 reg_val = QLAFX00_GET_HBA_SOC_REG(ha, 0x60848);
555 reg_val &= ~(1<<12);
556 QLAFX00_SET_HBA_SOC_REG(ha, 0x60848, reg_val);
557
558 reg_val = QLAFX00_GET_HBA_SOC_REG(ha, 0x6084C);
559 reg_val &= ~(1<<12);
560 QLAFX00_SET_HBA_SOC_REG(ha, 0x6084C, reg_val);
561
562 for (i = 0; i < 100000; i++) {
563 if ((QLAFX00_GET_HBA_SOC_REG(ha, 0xd0000) & 0x10000000) == 0 &&
564 (QLAFX00_GET_HBA_SOC_REG(ha, 0x10600) & 0x1) == 0)
565 break;
566 udelay(100);
567 }
568
569 /* Set all 4 cores in reset */
570 for (i = 0; i < 4; i++) {
571 QLAFX00_SET_HBA_SOC_REG(ha,
572 (SOC_SW_RST_CONTROL_REG_CORE0 + 8*i), (0xF01));
573 QLAFX00_SET_HBA_SOC_REG(ha,
574 (SOC_SW_RST_CONTROL_REG_CORE0 + 4 + 8*i), (0x01010101));
575 }
576
577 /* Reset all units in Fabric */
578 QLAFX00_SET_HBA_SOC_REG(ha, SOC_FABRIC_RST_CONTROL_REG, (0x011f0101));
579
580 /* */
581 QLAFX00_SET_HBA_SOC_REG(ha, 0x10610, 1);
582 QLAFX00_SET_HBA_SOC_REG(ha, 0x10600, 0);
583
584 /* Set all 4 core Memory Power Down Registers */
585 for (i = 0; i < 5; i++) {
586 QLAFX00_SET_HBA_SOC_REG(ha,
587 (SOC_PWR_MANAGEMENT_PWR_DOWN_REG + 4*i), (0x0));
588 }
589
590 /* Reset all interrupt control registers */
591 for (i = 0; i < 115; i++) {
592 QLAFX00_SET_HBA_SOC_REG(ha,
593 (SOC_INTERRUPT_SOURCE_I_CONTROL_REG + 4*i), (0x0));
594 }
595
596 /* Reset Timers control registers. per core */
597 for (core = 0; core < 4; core++)
598 for (i = 0; i < 8; i++)
599 QLAFX00_SET_HBA_SOC_REG(ha,
600 (SOC_CORE_TIMER_REG + 0x100*core + 4*i), (0x0));
601
602 /* Reset per core IRQ ack register */
603 for (core = 0; core < 4; core++)
604 QLAFX00_SET_HBA_SOC_REG(ha,
605 (SOC_IRQ_ACK_REG + 0x100*core), (0x3FF));
606
607 /* Set Fabric control and config to defaults */
608 QLAFX00_SET_HBA_SOC_REG(ha, SOC_FABRIC_CONTROL_REG, (0x2));
609 QLAFX00_SET_HBA_SOC_REG(ha, SOC_FABRIC_CONFIG_REG, (0x3));
610
611 /* Kick in Fabric units */
612 QLAFX00_SET_HBA_SOC_REG(ha, SOC_FABRIC_RST_CONTROL_REG, (0x0));
613
614 /* Kick in Core0 to start boot process */
615 QLAFX00_SET_HBA_SOC_REG(ha, SOC_SW_RST_CONTROL_REG_CORE0, (0xF00));
616
617 spin_unlock_irqrestore(&ha->hardware_lock, flags);
618
619 /* Wait 10secs for soft-reset to complete. */
620 for (cnt = 10; cnt; cnt--) {
621 msleep(1000);
622 barrier();
623 }
624 }
625
626 /**
627 * qlafx00_soft_reset() - Soft Reset ISPFx00.
628 * @vha: HA context
629 *
630 * Returns 0 on success.
631 */
632 void
633 qlafx00_soft_reset(scsi_qla_host_t *vha)
634 {
635 struct qla_hw_data *ha = vha->hw;
636
637 if (unlikely(pci_channel_offline(ha->pdev) &&
638 ha->flags.pci_channel_io_perm_failure))
639 return;
640
641 ha->isp_ops->disable_intrs(ha);
642 qlafx00_soc_cpu_reset(vha);
643 }
644
645 /**
646 * qlafx00_chip_diag() - Test ISPFx00 for proper operation.
647 * @vha: HA context
648 *
649 * Returns 0 on success.
650 */
651 int
652 qlafx00_chip_diag(scsi_qla_host_t *vha)
653 {
654 int rval = 0;
655 struct qla_hw_data *ha = vha->hw;
656 struct req_que *req = ha->req_q_map[0];
657
658 ha->fw_transfer_size = REQUEST_ENTRY_SIZE * req->length;
659
660 rval = qlafx00_mbx_reg_test(vha);
661 if (rval) {
662 ql_log(ql_log_warn, vha, 0x1165,
663 "Failed mailbox send register test\n");
664 } else {
665 /* Flag a successful rval */
666 rval = QLA_SUCCESS;
667 }
668 return rval;
669 }
670
671 void
672 qlafx00_config_rings(struct scsi_qla_host *vha)
673 {
674 struct qla_hw_data *ha = vha->hw;
675 struct device_reg_fx00 __iomem *reg = &ha->iobase->ispfx00;
676
677 WRT_REG_DWORD(&reg->req_q_in, 0);
678 WRT_REG_DWORD(&reg->req_q_out, 0);
679
680 WRT_REG_DWORD(&reg->rsp_q_in, 0);
681 WRT_REG_DWORD(&reg->rsp_q_out, 0);
682
683 /* PCI posting */
684 RD_REG_DWORD(&reg->rsp_q_out);
685 }
686
687 char *
688 qlafx00_pci_info_str(struct scsi_qla_host *vha, char *str)
689 {
690 struct qla_hw_data *ha = vha->hw;
691
692 if (pci_is_pcie(ha->pdev)) {
693 strcpy(str, "PCIe iSA");
694 return str;
695 }
696 return str;
697 }
698
699 char *
700 qlafx00_fw_version_str(struct scsi_qla_host *vha, char *str, size_t size)
701 {
702 struct qla_hw_data *ha = vha->hw;
703
704 snprintf(str, size, "%s", ha->mr.fw_version);
705 return str;
706 }
707
708 void
709 qlafx00_enable_intrs(struct qla_hw_data *ha)
710 {
711 unsigned long flags = 0;
712
713 spin_lock_irqsave(&ha->hardware_lock, flags);
714 ha->interrupts_on = 1;
715 QLAFX00_ENABLE_ICNTRL_REG(ha);
716 spin_unlock_irqrestore(&ha->hardware_lock, flags);
717 }
718
719 void
720 qlafx00_disable_intrs(struct qla_hw_data *ha)
721 {
722 unsigned long flags = 0;
723
724 spin_lock_irqsave(&ha->hardware_lock, flags);
725 ha->interrupts_on = 0;
726 QLAFX00_DISABLE_ICNTRL_REG(ha);
727 spin_unlock_irqrestore(&ha->hardware_lock, flags);
728 }
729
730 int
731 qlafx00_abort_target(fc_port_t *fcport, uint64_t l, int tag)
732 {
733 return qla2x00_async_tm_cmd(fcport, TCF_TARGET_RESET, l, tag);
734 }
735
736 int
737 qlafx00_lun_reset(fc_port_t *fcport, uint64_t l, int tag)
738 {
739 return qla2x00_async_tm_cmd(fcport, TCF_LUN_RESET, l, tag);
740 }
741
742 int
743 qlafx00_loop_reset(scsi_qla_host_t *vha)
744 {
745 int ret;
746 struct fc_port *fcport;
747 struct qla_hw_data *ha = vha->hw;
748
749 if (ql2xtargetreset) {
750 list_for_each_entry(fcport, &vha->vp_fcports, list) {
751 if (fcport->port_type != FCT_TARGET)
752 continue;
753
754 ret = ha->isp_ops->target_reset(fcport, 0, 0);
755 if (ret != QLA_SUCCESS) {
756 ql_dbg(ql_dbg_taskm, vha, 0x803d,
757 "Bus Reset failed: Reset=%d "
758 "d_id=%x.\n", ret, fcport->d_id.b24);
759 }
760 }
761 }
762 return QLA_SUCCESS;
763 }
764
765 int
766 qlafx00_iospace_config(struct qla_hw_data *ha)
767 {
768 if (pci_request_selected_regions(ha->pdev, ha->bars,
769 QLA2XXX_DRIVER_NAME)) {
770 ql_log_pci(ql_log_fatal, ha->pdev, 0x014e,
771 "Failed to reserve PIO/MMIO regions (%s), aborting.\n",
772 pci_name(ha->pdev));
773 goto iospace_error_exit;
774 }
775
776 /* Use MMIO operations for all accesses. */
777 if (!(pci_resource_flags(ha->pdev, 0) & IORESOURCE_MEM)) {
778 ql_log_pci(ql_log_warn, ha->pdev, 0x014f,
779 "Invalid pci I/O region size (%s).\n",
780 pci_name(ha->pdev));
781 goto iospace_error_exit;
782 }
783 if (pci_resource_len(ha->pdev, 0) < BAR0_LEN_FX00) {
784 ql_log_pci(ql_log_warn, ha->pdev, 0x0127,
785 "Invalid PCI mem BAR0 region size (%s), aborting\n",
786 pci_name(ha->pdev));
787 goto iospace_error_exit;
788 }
789
790 ha->cregbase =
791 ioremap_nocache(pci_resource_start(ha->pdev, 0), BAR0_LEN_FX00);
792 if (!ha->cregbase) {
793 ql_log_pci(ql_log_fatal, ha->pdev, 0x0128,
794 "cannot remap MMIO (%s), aborting\n", pci_name(ha->pdev));
795 goto iospace_error_exit;
796 }
797
798 if (!(pci_resource_flags(ha->pdev, 2) & IORESOURCE_MEM)) {
799 ql_log_pci(ql_log_warn, ha->pdev, 0x0129,
800 "region #2 not an MMIO resource (%s), aborting\n",
801 pci_name(ha->pdev));
802 goto iospace_error_exit;
803 }
804 if (pci_resource_len(ha->pdev, 2) < BAR2_LEN_FX00) {
805 ql_log_pci(ql_log_warn, ha->pdev, 0x012a,
806 "Invalid PCI mem BAR2 region size (%s), aborting\n",
807 pci_name(ha->pdev));
808 goto iospace_error_exit;
809 }
810
811 ha->iobase =
812 ioremap_nocache(pci_resource_start(ha->pdev, 2), BAR2_LEN_FX00);
813 if (!ha->iobase) {
814 ql_log_pci(ql_log_fatal, ha->pdev, 0x012b,
815 "cannot remap MMIO (%s), aborting\n", pci_name(ha->pdev));
816 goto iospace_error_exit;
817 }
818
819 /* Determine queue resources */
820 ha->max_req_queues = ha->max_rsp_queues = 1;
821
822 ql_log_pci(ql_log_info, ha->pdev, 0x012c,
823 "Bars 0x%x, iobase0 0x%p, iobase2 0x%p\n",
824 ha->bars, ha->cregbase, ha->iobase);
825
826 return 0;
827
828 iospace_error_exit:
829 return -ENOMEM;
830 }
831
832 static void
833 qlafx00_save_queue_ptrs(struct scsi_qla_host *vha)
834 {
835 struct qla_hw_data *ha = vha->hw;
836 struct req_que *req = ha->req_q_map[0];
837 struct rsp_que *rsp = ha->rsp_q_map[0];
838
839 req->length_fx00 = req->length;
840 req->ring_fx00 = req->ring;
841 req->dma_fx00 = req->dma;
842
843 rsp->length_fx00 = rsp->length;
844 rsp->ring_fx00 = rsp->ring;
845 rsp->dma_fx00 = rsp->dma;
846
847 ql_dbg(ql_dbg_init, vha, 0x012d,
848 "req: %p, ring_fx00: %p, length_fx00: 0x%x,"
849 "req->dma_fx00: 0x%llx\n", req, req->ring_fx00,
850 req->length_fx00, (u64)req->dma_fx00);
851
852 ql_dbg(ql_dbg_init, vha, 0x012e,
853 "rsp: %p, ring_fx00: %p, length_fx00: 0x%x,"
854 "rsp->dma_fx00: 0x%llx\n", rsp, rsp->ring_fx00,
855 rsp->length_fx00, (u64)rsp->dma_fx00);
856 }
857
858 static int
859 qlafx00_config_queues(struct scsi_qla_host *vha)
860 {
861 struct qla_hw_data *ha = vha->hw;
862 struct req_que *req = ha->req_q_map[0];
863 struct rsp_que *rsp = ha->rsp_q_map[0];
864 dma_addr_t bar2_hdl = pci_resource_start(ha->pdev, 2);
865
866 req->length = ha->req_que_len;
867 req->ring = (void __force *)ha->iobase + ha->req_que_off;
868 req->dma = bar2_hdl + ha->req_que_off;
869 if ((!req->ring) || (req->length == 0)) {
870 ql_log_pci(ql_log_info, ha->pdev, 0x012f,
871 "Unable to allocate memory for req_ring\n");
872 return QLA_FUNCTION_FAILED;
873 }
874
875 ql_dbg(ql_dbg_init, vha, 0x0130,
876 "req: %p req_ring pointer %p req len 0x%x "
877 "req off 0x%x\n, req->dma: 0x%llx",
878 req, req->ring, req->length,
879 ha->req_que_off, (u64)req->dma);
880
881 rsp->length = ha->rsp_que_len;
882 rsp->ring = (void __force *)ha->iobase + ha->rsp_que_off;
883 rsp->dma = bar2_hdl + ha->rsp_que_off;
884 if ((!rsp->ring) || (rsp->length == 0)) {
885 ql_log_pci(ql_log_info, ha->pdev, 0x0131,
886 "Unable to allocate memory for rsp_ring\n");
887 return QLA_FUNCTION_FAILED;
888 }
889
890 ql_dbg(ql_dbg_init, vha, 0x0132,
891 "rsp: %p rsp_ring pointer %p rsp len 0x%x "
892 "rsp off 0x%x, rsp->dma: 0x%llx\n",
893 rsp, rsp->ring, rsp->length,
894 ha->rsp_que_off, (u64)rsp->dma);
895
896 return QLA_SUCCESS;
897 }
898
899 static int
900 qlafx00_init_fw_ready(scsi_qla_host_t *vha)
901 {
902 int rval = 0;
903 unsigned long wtime;
904 uint16_t wait_time; /* Wait time */
905 struct qla_hw_data *ha = vha->hw;
906 struct device_reg_fx00 __iomem *reg = &ha->iobase->ispfx00;
907 uint32_t aenmbx, aenmbx7 = 0;
908 uint32_t pseudo_aen;
909 uint32_t state[5];
910 bool done = false;
911
912 /* 30 seconds wait - Adjust if required */
913 wait_time = 30;
914
915 pseudo_aen = RD_REG_DWORD(&reg->pseudoaen);
916 if (pseudo_aen == 1) {
917 aenmbx7 = RD_REG_DWORD(&reg->initval7);
918 ha->mbx_intr_code = MSW(aenmbx7);
919 ha->rqstq_intr_code = LSW(aenmbx7);
920 rval = qlafx00_driver_shutdown(vha, 10);
921 if (rval != QLA_SUCCESS)
922 qlafx00_soft_reset(vha);
923 }
924
925 /* wait time before firmware ready */
926 wtime = jiffies + (wait_time * HZ);
927 do {
928 aenmbx = RD_REG_DWORD(&reg->aenmailbox0);
929 barrier();
930 ql_dbg(ql_dbg_mbx, vha, 0x0133,
931 "aenmbx: 0x%x\n", aenmbx);
932
933 switch (aenmbx) {
934 case MBA_FW_NOT_STARTED:
935 case MBA_FW_STARTING:
936 break;
937
938 case MBA_SYSTEM_ERR:
939 case MBA_REQ_TRANSFER_ERR:
940 case MBA_RSP_TRANSFER_ERR:
941 case MBA_FW_INIT_FAILURE:
942 qlafx00_soft_reset(vha);
943 break;
944
945 case MBA_FW_RESTART_CMPLT:
946 /* Set the mbx and rqstq intr code */
947 aenmbx7 = RD_REG_DWORD(&reg->aenmailbox7);
948 ha->mbx_intr_code = MSW(aenmbx7);
949 ha->rqstq_intr_code = LSW(aenmbx7);
950 ha->req_que_off = RD_REG_DWORD(&reg->aenmailbox1);
951 ha->rsp_que_off = RD_REG_DWORD(&reg->aenmailbox3);
952 ha->req_que_len = RD_REG_DWORD(&reg->aenmailbox5);
953 ha->rsp_que_len = RD_REG_DWORD(&reg->aenmailbox6);
954 WRT_REG_DWORD(&reg->aenmailbox0, 0);
955 RD_REG_DWORD_RELAXED(&reg->aenmailbox0);
956 ql_dbg(ql_dbg_init, vha, 0x0134,
957 "f/w returned mbx_intr_code: 0x%x, "
958 "rqstq_intr_code: 0x%x\n",
959 ha->mbx_intr_code, ha->rqstq_intr_code);
960 QLAFX00_CLR_INTR_REG(ha, QLAFX00_HST_INT_STS_BITS);
961 rval = QLA_SUCCESS;
962 done = true;
963 break;
964
965 default:
966 if ((aenmbx & 0xFF00) == MBA_FW_INIT_INPROGRESS)
967 break;
968
969 /* If fw is apparently not ready. In order to continue,
970 * we might need to issue Mbox cmd, but the problem is
971 * that the DoorBell vector values that come with the
972 * 8060 AEN are most likely gone by now (and thus no
973 * bell would be rung on the fw side when mbox cmd is
974 * issued). We have to therefore grab the 8060 AEN
975 * shadow regs (filled in by FW when the last 8060
976 * AEN was being posted).
977 * Do the following to determine what is needed in
978 * order to get the FW ready:
979 * 1. reload the 8060 AEN values from the shadow regs
980 * 2. clear int status to get rid of possible pending
981 * interrupts
982 * 3. issue Get FW State Mbox cmd to determine fw state
983 * Set the mbx and rqstq intr code from Shadow Regs
984 */
985 aenmbx7 = RD_REG_DWORD(&reg->initval7);
986 ha->mbx_intr_code = MSW(aenmbx7);
987 ha->rqstq_intr_code = LSW(aenmbx7);
988 ha->req_que_off = RD_REG_DWORD(&reg->initval1);
989 ha->rsp_que_off = RD_REG_DWORD(&reg->initval3);
990 ha->req_que_len = RD_REG_DWORD(&reg->initval5);
991 ha->rsp_que_len = RD_REG_DWORD(&reg->initval6);
992 ql_dbg(ql_dbg_init, vha, 0x0135,
993 "f/w returned mbx_intr_code: 0x%x, "
994 "rqstq_intr_code: 0x%x\n",
995 ha->mbx_intr_code, ha->rqstq_intr_code);
996 QLAFX00_CLR_INTR_REG(ha, QLAFX00_HST_INT_STS_BITS);
997
998 /* Get the FW state */
999 rval = qlafx00_get_firmware_state(vha, state);
1000 if (rval != QLA_SUCCESS) {
1001 /* Retry if timer has not expired */
1002 break;
1003 }
1004
1005 if (state[0] == FSTATE_FX00_CONFIG_WAIT) {
1006 /* Firmware is waiting to be
1007 * initialized by driver
1008 */
1009 rval = QLA_SUCCESS;
1010 done = true;
1011 break;
1012 }
1013
1014 /* Issue driver shutdown and wait until f/w recovers.
1015 * Driver should continue to poll until 8060 AEN is
1016 * received indicating firmware recovery.
1017 */
1018 ql_dbg(ql_dbg_init, vha, 0x0136,
1019 "Sending Driver shutdown fw_state 0x%x\n",
1020 state[0]);
1021
1022 rval = qlafx00_driver_shutdown(vha, 10);
1023 if (rval != QLA_SUCCESS) {
1024 rval = QLA_FUNCTION_FAILED;
1025 break;
1026 }
1027 msleep(500);
1028
1029 wtime = jiffies + (wait_time * HZ);
1030 break;
1031 }
1032
1033 if (!done) {
1034 if (time_after_eq(jiffies, wtime)) {
1035 ql_dbg(ql_dbg_init, vha, 0x0137,
1036 "Init f/w failed: aen[7]: 0x%x\n",
1037 RD_REG_DWORD(&reg->aenmailbox7));
1038 rval = QLA_FUNCTION_FAILED;
1039 done = true;
1040 break;
1041 }
1042 /* Delay for a while */
1043 msleep(500);
1044 }
1045 } while (!done);
1046
1047 if (rval)
1048 ql_dbg(ql_dbg_init, vha, 0x0138,
1049 "%s **** FAILED ****.\n", __func__);
1050 else
1051 ql_dbg(ql_dbg_init, vha, 0x0139,
1052 "%s **** SUCCESS ****.\n", __func__);
1053
1054 return rval;
1055 }
1056
1057 /*
1058 * qlafx00_fw_ready() - Waits for firmware ready.
1059 * @ha: HA context
1060 *
1061 * Returns 0 on success.
1062 */
1063 int
1064 qlafx00_fw_ready(scsi_qla_host_t *vha)
1065 {
1066 int rval;
1067 unsigned long wtime;
1068 uint16_t wait_time; /* Wait time if loop is coming ready */
1069 uint32_t state[5];
1070
1071 rval = QLA_SUCCESS;
1072
1073 wait_time = 10;
1074
1075 /* wait time before firmware ready */
1076 wtime = jiffies + (wait_time * HZ);
1077
1078 /* Wait for ISP to finish init */
1079 if (!vha->flags.init_done)
1080 ql_dbg(ql_dbg_init, vha, 0x013a,
1081 "Waiting for init to complete...\n");
1082
1083 do {
1084 rval = qlafx00_get_firmware_state(vha, state);
1085
1086 if (rval == QLA_SUCCESS) {
1087 if (state[0] == FSTATE_FX00_INITIALIZED) {
1088 ql_dbg(ql_dbg_init, vha, 0x013b,
1089 "fw_state=%x\n", state[0]);
1090 rval = QLA_SUCCESS;
1091 break;
1092 }
1093 }
1094 rval = QLA_FUNCTION_FAILED;
1095
1096 if (time_after_eq(jiffies, wtime))
1097 break;
1098
1099 /* Delay for a while */
1100 msleep(500);
1101
1102 ql_dbg(ql_dbg_init, vha, 0x013c,
1103 "fw_state=%x curr time=%lx.\n", state[0], jiffies);
1104 } while (1);
1105
1106
1107 if (rval)
1108 ql_dbg(ql_dbg_init, vha, 0x013d,
1109 "Firmware ready **** FAILED ****.\n");
1110 else
1111 ql_dbg(ql_dbg_init, vha, 0x013e,
1112 "Firmware ready **** SUCCESS ****.\n");
1113
1114 return rval;
1115 }
1116
1117 static int
1118 qlafx00_find_all_targets(scsi_qla_host_t *vha,
1119 struct list_head *new_fcports)
1120 {
1121 int rval;
1122 uint16_t tgt_id;
1123 fc_port_t *fcport, *new_fcport;
1124 int found;
1125 struct qla_hw_data *ha = vha->hw;
1126
1127 rval = QLA_SUCCESS;
1128
1129 if (!test_bit(LOOP_RESYNC_ACTIVE, &vha->dpc_flags))
1130 return QLA_FUNCTION_FAILED;
1131
1132 if ((atomic_read(&vha->loop_down_timer) ||
1133 STATE_TRANSITION(vha))) {
1134 atomic_set(&vha->loop_down_timer, 0);
1135 set_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags);
1136 return QLA_FUNCTION_FAILED;
1137 }
1138
1139 ql_dbg(ql_dbg_disc + ql_dbg_init, vha, 0x2088,
1140 "Listing Target bit map...\n");
1141 ql_dump_buffer(ql_dbg_disc + ql_dbg_init, vha,
1142 0x2089, (uint8_t *)ha->gid_list, 32);
1143
1144 /* Allocate temporary rmtport for any new rmtports discovered. */
1145 new_fcport = qla2x00_alloc_fcport(vha, GFP_KERNEL);
1146 if (new_fcport == NULL)
1147 return QLA_MEMORY_ALLOC_FAILED;
1148
1149 for_each_set_bit(tgt_id, (void *)ha->gid_list,
1150 QLAFX00_TGT_NODE_LIST_SIZE) {
1151
1152 /* Send get target node info */
1153 new_fcport->tgt_id = tgt_id;
1154 rval = qlafx00_fx_disc(vha, new_fcport,
1155 FXDISC_GET_TGT_NODE_INFO);
1156 if (rval != QLA_SUCCESS) {
1157 ql_log(ql_log_warn, vha, 0x208a,
1158 "Target info scan failed -- assuming zero-entry "
1159 "result...\n");
1160 continue;
1161 }
1162
1163 /* Locate matching device in database. */
1164 found = 0;
1165 list_for_each_entry(fcport, &vha->vp_fcports, list) {
1166 if (memcmp(new_fcport->port_name,
1167 fcport->port_name, WWN_SIZE))
1168 continue;
1169
1170 found++;
1171
1172 /*
1173 * If tgt_id is same and state FCS_ONLINE, nothing
1174 * changed.
1175 */
1176 if (fcport->tgt_id == new_fcport->tgt_id &&
1177 atomic_read(&fcport->state) == FCS_ONLINE)
1178 break;
1179
1180 /*
1181 * Tgt ID changed or device was marked to be updated.
1182 */
1183 ql_dbg(ql_dbg_disc + ql_dbg_init, vha, 0x208b,
1184 "TGT-ID Change(%s): Present tgt id: "
1185 "0x%x state: 0x%x "
1186 "wwnn = %llx wwpn = %llx.\n",
1187 __func__, fcport->tgt_id,
1188 atomic_read(&fcport->state),
1189 (unsigned long long)wwn_to_u64(fcport->node_name),
1190 (unsigned long long)wwn_to_u64(fcport->port_name));
1191
1192 ql_log(ql_log_info, vha, 0x208c,
1193 "TGT-ID Announce(%s): Discovered tgt "
1194 "id 0x%x wwnn = %llx "
1195 "wwpn = %llx.\n", __func__, new_fcport->tgt_id,
1196 (unsigned long long)
1197 wwn_to_u64(new_fcport->node_name),
1198 (unsigned long long)
1199 wwn_to_u64(new_fcport->port_name));
1200
1201 if (atomic_read(&fcport->state) != FCS_ONLINE) {
1202 fcport->old_tgt_id = fcport->tgt_id;
1203 fcport->tgt_id = new_fcport->tgt_id;
1204 ql_log(ql_log_info, vha, 0x208d,
1205 "TGT-ID: New fcport Added: %p\n", fcport);
1206 qla2x00_update_fcport(vha, fcport);
1207 } else {
1208 ql_log(ql_log_info, vha, 0x208e,
1209 " Existing TGT-ID %x did not get "
1210 " offline event from firmware.\n",
1211 fcport->old_tgt_id);
1212 qla2x00_mark_device_lost(vha, fcport, 0, 0);
1213 set_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags);
1214 kfree(new_fcport);
1215 return rval;
1216 }
1217 break;
1218 }
1219
1220 if (found)
1221 continue;
1222
1223 /* If device was not in our fcports list, then add it. */
1224 list_add_tail(&new_fcport->list, new_fcports);
1225
1226 /* Allocate a new replacement fcport. */
1227 new_fcport = qla2x00_alloc_fcport(vha, GFP_KERNEL);
1228 if (new_fcport == NULL)
1229 return QLA_MEMORY_ALLOC_FAILED;
1230 }
1231
1232 kfree(new_fcport);
1233 return rval;
1234 }
1235
1236 /*
1237 * qlafx00_configure_all_targets
1238 * Setup target devices with node ID's.
1239 *
1240 * Input:
1241 * ha = adapter block pointer.
1242 *
1243 * Returns:
1244 * 0 = success.
1245 * BIT_0 = error
1246 */
1247 static int
1248 qlafx00_configure_all_targets(scsi_qla_host_t *vha)
1249 {
1250 int rval;
1251 fc_port_t *fcport, *rmptemp;
1252 LIST_HEAD(new_fcports);
1253
1254 rval = qlafx00_fx_disc(vha, &vha->hw->mr.fcport,
1255 FXDISC_GET_TGT_NODE_LIST);
1256 if (rval != QLA_SUCCESS) {
1257 set_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags);
1258 return rval;
1259 }
1260
1261 rval = qlafx00_find_all_targets(vha, &new_fcports);
1262 if (rval != QLA_SUCCESS) {
1263 set_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags);
1264 return rval;
1265 }
1266
1267 /*
1268 * Delete all previous devices marked lost.
1269 */
1270 list_for_each_entry(fcport, &vha->vp_fcports, list) {
1271 if (test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags))
1272 break;
1273
1274 if (atomic_read(&fcport->state) == FCS_DEVICE_LOST) {
1275 if (fcport->port_type != FCT_INITIATOR)
1276 qla2x00_mark_device_lost(vha, fcport, 0, 0);
1277 }
1278 }
1279
1280 /*
1281 * Add the new devices to our devices list.
1282 */
1283 list_for_each_entry_safe(fcport, rmptemp, &new_fcports, list) {
1284 if (test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags))
1285 break;
1286
1287 qla2x00_update_fcport(vha, fcport);
1288 list_move_tail(&fcport->list, &vha->vp_fcports);
1289 ql_log(ql_log_info, vha, 0x208f,
1290 "Attach new target id 0x%x wwnn = %llx "
1291 "wwpn = %llx.\n",
1292 fcport->tgt_id,
1293 (unsigned long long)wwn_to_u64(fcport->node_name),
1294 (unsigned long long)wwn_to_u64(fcport->port_name));
1295 }
1296
1297 /* Free all new device structures not processed. */
1298 list_for_each_entry_safe(fcport, rmptemp, &new_fcports, list) {
1299 list_del(&fcport->list);
1300 kfree(fcport);
1301 }
1302
1303 return rval;
1304 }
1305
1306 /*
1307 * qlafx00_configure_devices
1308 * Updates Fibre Channel Device Database with what is actually on loop.
1309 *
1310 * Input:
1311 * ha = adapter block pointer.
1312 *
1313 * Returns:
1314 * 0 = success.
1315 * 1 = error.
1316 * 2 = database was full and device was not configured.
1317 */
1318 int
1319 qlafx00_configure_devices(scsi_qla_host_t *vha)
1320 {
1321 int rval;
1322 unsigned long flags;
1323 rval = QLA_SUCCESS;
1324
1325 flags = vha->dpc_flags;
1326
1327 ql_dbg(ql_dbg_disc, vha, 0x2090,
1328 "Configure devices -- dpc flags =0x%lx\n", flags);
1329
1330 rval = qlafx00_configure_all_targets(vha);
1331
1332 if (rval == QLA_SUCCESS) {
1333 if (test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags)) {
1334 rval = QLA_FUNCTION_FAILED;
1335 } else {
1336 atomic_set(&vha->loop_state, LOOP_READY);
1337 ql_log(ql_log_info, vha, 0x2091,
1338 "Device Ready\n");
1339 }
1340 }
1341
1342 if (rval) {
1343 ql_dbg(ql_dbg_disc, vha, 0x2092,
1344 "%s *** FAILED ***.\n", __func__);
1345 } else {
1346 ql_dbg(ql_dbg_disc, vha, 0x2093,
1347 "%s: exiting normally.\n", __func__);
1348 }
1349 return rval;
1350 }
1351
1352 static void
1353 qlafx00_abort_isp_cleanup(scsi_qla_host_t *vha, bool critemp)
1354 {
1355 struct qla_hw_data *ha = vha->hw;
1356 fc_port_t *fcport;
1357
1358 vha->flags.online = 0;
1359 ha->mr.fw_hbt_en = 0;
1360
1361 if (!critemp) {
1362 ha->flags.chip_reset_done = 0;
1363 clear_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
1364 vha->qla_stats.total_isp_aborts++;
1365 ql_log(ql_log_info, vha, 0x013f,
1366 "Performing ISP error recovery - ha = %p.\n", ha);
1367 ha->isp_ops->reset_chip(vha);
1368 }
1369
1370 if (atomic_read(&vha->loop_state) != LOOP_DOWN) {
1371 atomic_set(&vha->loop_state, LOOP_DOWN);
1372 atomic_set(&vha->loop_down_timer,
1373 QLAFX00_LOOP_DOWN_TIME);
1374 } else {
1375 if (!atomic_read(&vha->loop_down_timer))
1376 atomic_set(&vha->loop_down_timer,
1377 QLAFX00_LOOP_DOWN_TIME);
1378 }
1379
1380 /* Clear all async request states across all VPs. */
1381 list_for_each_entry(fcport, &vha->vp_fcports, list) {
1382 fcport->flags = 0;
1383 if (atomic_read(&fcport->state) == FCS_ONLINE)
1384 qla2x00_set_fcport_state(fcport, FCS_DEVICE_LOST);
1385 }
1386
1387 if (!ha->flags.eeh_busy) {
1388 if (critemp) {
1389 qla2x00_abort_all_cmds(vha, DID_NO_CONNECT << 16);
1390 } else {
1391 /* Requeue all commands in outstanding command list. */
1392 qla2x00_abort_all_cmds(vha, DID_RESET << 16);
1393 }
1394 }
1395
1396 qla2x00_free_irqs(vha);
1397 if (critemp)
1398 set_bit(FX00_CRITEMP_RECOVERY, &vha->dpc_flags);
1399 else
1400 set_bit(FX00_RESET_RECOVERY, &vha->dpc_flags);
1401
1402 /* Clear the Interrupts */
1403 QLAFX00_CLR_INTR_REG(ha, QLAFX00_HST_INT_STS_BITS);
1404
1405 ql_log(ql_log_info, vha, 0x0140,
1406 "%s Done done - ha=%p.\n", __func__, ha);
1407 }
1408
1409 /**
1410 * qlafx00_init_response_q_entries() - Initializes response queue entries.
1411 * @rsp: response queue
1412 *
1413 * Beginning of request ring has initialization control block already built
1414 * by nvram config routine.
1415 *
1416 * Returns 0 on success.
1417 */
1418 void
1419 qlafx00_init_response_q_entries(struct rsp_que *rsp)
1420 {
1421 uint16_t cnt;
1422 response_t *pkt;
1423
1424 rsp->ring_ptr = rsp->ring;
1425 rsp->ring_index = 0;
1426 rsp->status_srb = NULL;
1427 pkt = rsp->ring_ptr;
1428 for (cnt = 0; cnt < rsp->length; cnt++) {
1429 pkt->signature = RESPONSE_PROCESSED;
1430 WRT_REG_DWORD((void __force __iomem *)&pkt->signature,
1431 RESPONSE_PROCESSED);
1432 pkt++;
1433 }
1434 }
1435
1436 int
1437 qlafx00_rescan_isp(scsi_qla_host_t *vha)
1438 {
1439 uint32_t status = QLA_FUNCTION_FAILED;
1440 struct qla_hw_data *ha = vha->hw;
1441 struct device_reg_fx00 __iomem *reg = &ha->iobase->ispfx00;
1442 uint32_t aenmbx7;
1443
1444 qla2x00_request_irqs(ha, ha->rsp_q_map[0]);
1445
1446 aenmbx7 = RD_REG_DWORD(&reg->aenmailbox7);
1447 ha->mbx_intr_code = MSW(aenmbx7);
1448 ha->rqstq_intr_code = LSW(aenmbx7);
1449 ha->req_que_off = RD_REG_DWORD(&reg->aenmailbox1);
1450 ha->rsp_que_off = RD_REG_DWORD(&reg->aenmailbox3);
1451 ha->req_que_len = RD_REG_DWORD(&reg->aenmailbox5);
1452 ha->rsp_que_len = RD_REG_DWORD(&reg->aenmailbox6);
1453
1454 ql_dbg(ql_dbg_disc, vha, 0x2094,
1455 "fw returned mbx_intr_code: 0x%x, rqstq_intr_code: 0x%x "
1456 " Req que offset 0x%x Rsp que offset 0x%x\n",
1457 ha->mbx_intr_code, ha->rqstq_intr_code,
1458 ha->req_que_off, ha->rsp_que_len);
1459
1460 /* Clear the Interrupts */
1461 QLAFX00_CLR_INTR_REG(ha, QLAFX00_HST_INT_STS_BITS);
1462
1463 status = qla2x00_init_rings(vha);
1464 if (!status) {
1465 vha->flags.online = 1;
1466
1467 /* if no cable then assume it's good */
1468 if ((vha->device_flags & DFLG_NO_CABLE))
1469 status = 0;
1470 /* Register system information */
1471 if (qlafx00_fx_disc(vha,
1472 &vha->hw->mr.fcport, FXDISC_REG_HOST_INFO))
1473 ql_dbg(ql_dbg_disc, vha, 0x2095,
1474 "failed to register host info\n");
1475 }
1476 scsi_unblock_requests(vha->host);
1477 return status;
1478 }
1479
1480 void
1481 qlafx00_timer_routine(scsi_qla_host_t *vha)
1482 {
1483 struct qla_hw_data *ha = vha->hw;
1484 uint32_t fw_heart_beat;
1485 uint32_t aenmbx0;
1486 struct device_reg_fx00 __iomem *reg = &ha->iobase->ispfx00;
1487 uint32_t tempc;
1488
1489 /* Check firmware health */
1490 if (ha->mr.fw_hbt_cnt)
1491 ha->mr.fw_hbt_cnt--;
1492 else {
1493 if ((!ha->flags.mr_reset_hdlr_active) &&
1494 (!test_bit(UNLOADING, &vha->dpc_flags)) &&
1495 (!test_bit(ABORT_ISP_ACTIVE, &vha->dpc_flags)) &&
1496 (ha->mr.fw_hbt_en)) {
1497 fw_heart_beat = RD_REG_DWORD(&reg->fwheartbeat);
1498 if (fw_heart_beat != ha->mr.old_fw_hbt_cnt) {
1499 ha->mr.old_fw_hbt_cnt = fw_heart_beat;
1500 ha->mr.fw_hbt_miss_cnt = 0;
1501 } else {
1502 ha->mr.fw_hbt_miss_cnt++;
1503 if (ha->mr.fw_hbt_miss_cnt ==
1504 QLAFX00_HEARTBEAT_MISS_CNT) {
1505 set_bit(ISP_ABORT_NEEDED,
1506 &vha->dpc_flags);
1507 qla2xxx_wake_dpc(vha);
1508 ha->mr.fw_hbt_miss_cnt = 0;
1509 }
1510 }
1511 }
1512 ha->mr.fw_hbt_cnt = QLAFX00_HEARTBEAT_INTERVAL;
1513 }
1514
1515 if (test_bit(FX00_RESET_RECOVERY, &vha->dpc_flags)) {
1516 /* Reset recovery to be performed in timer routine */
1517 aenmbx0 = RD_REG_DWORD(&reg->aenmailbox0);
1518 if (ha->mr.fw_reset_timer_exp) {
1519 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
1520 qla2xxx_wake_dpc(vha);
1521 ha->mr.fw_reset_timer_exp = 0;
1522 } else if (aenmbx0 == MBA_FW_RESTART_CMPLT) {
1523 /* Wake up DPC to rescan the targets */
1524 set_bit(FX00_TARGET_SCAN, &vha->dpc_flags);
1525 clear_bit(FX00_RESET_RECOVERY, &vha->dpc_flags);
1526 qla2xxx_wake_dpc(vha);
1527 ha->mr.fw_reset_timer_tick = QLAFX00_RESET_INTERVAL;
1528 } else if ((aenmbx0 == MBA_FW_STARTING) &&
1529 (!ha->mr.fw_hbt_en)) {
1530 ha->mr.fw_hbt_en = 1;
1531 } else if (!ha->mr.fw_reset_timer_tick) {
1532 if (aenmbx0 == ha->mr.old_aenmbx0_state)
1533 ha->mr.fw_reset_timer_exp = 1;
1534 ha->mr.fw_reset_timer_tick = QLAFX00_RESET_INTERVAL;
1535 } else if (aenmbx0 == 0xFFFFFFFF) {
1536 uint32_t data0, data1;
1537
1538 data0 = QLAFX00_RD_REG(ha,
1539 QLAFX00_BAR1_BASE_ADDR_REG);
1540 data1 = QLAFX00_RD_REG(ha,
1541 QLAFX00_PEX0_WIN0_BASE_ADDR_REG);
1542
1543 data0 &= 0xffff0000;
1544 data1 &= 0x0000ffff;
1545
1546 QLAFX00_WR_REG(ha,
1547 QLAFX00_PEX0_WIN0_BASE_ADDR_REG,
1548 (data0 | data1));
1549 } else if ((aenmbx0 & 0xFF00) == MBA_FW_POLL_STATE) {
1550 ha->mr.fw_reset_timer_tick =
1551 QLAFX00_MAX_RESET_INTERVAL;
1552 } else if (aenmbx0 == MBA_FW_RESET_FCT) {
1553 ha->mr.fw_reset_timer_tick =
1554 QLAFX00_MAX_RESET_INTERVAL;
1555 }
1556 if (ha->mr.old_aenmbx0_state != aenmbx0) {
1557 ha->mr.old_aenmbx0_state = aenmbx0;
1558 ha->mr.fw_reset_timer_tick = QLAFX00_RESET_INTERVAL;
1559 }
1560 ha->mr.fw_reset_timer_tick--;
1561 }
1562 if (test_bit(FX00_CRITEMP_RECOVERY, &vha->dpc_flags)) {
1563 /*
1564 * Critical temperature recovery to be
1565 * performed in timer routine
1566 */
1567 if (ha->mr.fw_critemp_timer_tick == 0) {
1568 tempc = QLAFX00_GET_TEMPERATURE(ha);
1569 ql_dbg(ql_dbg_timer, vha, 0x6012,
1570 "ISPFx00(%s): Critical temp timer, "
1571 "current SOC temperature: %d\n",
1572 __func__, tempc);
1573 if (tempc < ha->mr.critical_temperature) {
1574 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
1575 clear_bit(FX00_CRITEMP_RECOVERY,
1576 &vha->dpc_flags);
1577 qla2xxx_wake_dpc(vha);
1578 }
1579 ha->mr.fw_critemp_timer_tick =
1580 QLAFX00_CRITEMP_INTERVAL;
1581 } else {
1582 ha->mr.fw_critemp_timer_tick--;
1583 }
1584 }
1585 if (ha->mr.host_info_resend) {
1586 /*
1587 * Incomplete host info might be sent to firmware
1588 * durinng system boot - info should be resend
1589 */
1590 if (ha->mr.hinfo_resend_timer_tick == 0) {
1591 ha->mr.host_info_resend = false;
1592 set_bit(FX00_HOST_INFO_RESEND, &vha->dpc_flags);
1593 ha->mr.hinfo_resend_timer_tick =
1594 QLAFX00_HINFO_RESEND_INTERVAL;
1595 qla2xxx_wake_dpc(vha);
1596 } else {
1597 ha->mr.hinfo_resend_timer_tick--;
1598 }
1599 }
1600
1601 }
1602
1603 /*
1604 * qlfx00a_reset_initialize
1605 * Re-initialize after a iSA device reset.
1606 *
1607 * Input:
1608 * ha = adapter block pointer.
1609 *
1610 * Returns:
1611 * 0 = success
1612 */
1613 int
1614 qlafx00_reset_initialize(scsi_qla_host_t *vha)
1615 {
1616 struct qla_hw_data *ha = vha->hw;
1617
1618 if (vha->device_flags & DFLG_DEV_FAILED) {
1619 ql_dbg(ql_dbg_init, vha, 0x0142,
1620 "Device in failed state\n");
1621 return QLA_SUCCESS;
1622 }
1623
1624 ha->flags.mr_reset_hdlr_active = 1;
1625
1626 if (vha->flags.online) {
1627 scsi_block_requests(vha->host);
1628 qlafx00_abort_isp_cleanup(vha, false);
1629 }
1630
1631 ql_log(ql_log_info, vha, 0x0143,
1632 "(%s): succeeded.\n", __func__);
1633 ha->flags.mr_reset_hdlr_active = 0;
1634 return QLA_SUCCESS;
1635 }
1636
1637 /*
1638 * qlafx00_abort_isp
1639 * Resets ISP and aborts all outstanding commands.
1640 *
1641 * Input:
1642 * ha = adapter block pointer.
1643 *
1644 * Returns:
1645 * 0 = success
1646 */
1647 int
1648 qlafx00_abort_isp(scsi_qla_host_t *vha)
1649 {
1650 struct qla_hw_data *ha = vha->hw;
1651
1652 if (vha->flags.online) {
1653 if (unlikely(pci_channel_offline(ha->pdev) &&
1654 ha->flags.pci_channel_io_perm_failure)) {
1655 clear_bit(ISP_ABORT_RETRY, &vha->dpc_flags);
1656 return QLA_SUCCESS;
1657 }
1658
1659 scsi_block_requests(vha->host);
1660 qlafx00_abort_isp_cleanup(vha, false);
1661 } else {
1662 scsi_block_requests(vha->host);
1663 clear_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
1664 vha->qla_stats.total_isp_aborts++;
1665 ha->isp_ops->reset_chip(vha);
1666 set_bit(FX00_RESET_RECOVERY, &vha->dpc_flags);
1667 /* Clear the Interrupts */
1668 QLAFX00_CLR_INTR_REG(ha, QLAFX00_HST_INT_STS_BITS);
1669 }
1670
1671 ql_log(ql_log_info, vha, 0x0145,
1672 "(%s): succeeded.\n", __func__);
1673
1674 return QLA_SUCCESS;
1675 }
1676
1677 static inline fc_port_t*
1678 qlafx00_get_fcport(struct scsi_qla_host *vha, int tgt_id)
1679 {
1680 fc_port_t *fcport;
1681
1682 /* Check for matching device in remote port list. */
1683 list_for_each_entry(fcport, &vha->vp_fcports, list) {
1684 if (fcport->tgt_id == tgt_id) {
1685 ql_dbg(ql_dbg_async, vha, 0x5072,
1686 "Matching fcport(%p) found with TGT-ID: 0x%x "
1687 "and Remote TGT_ID: 0x%x\n",
1688 fcport, fcport->tgt_id, tgt_id);
1689 return fcport;
1690 }
1691 }
1692 return NULL;
1693 }
1694
1695 static void
1696 qlafx00_tgt_detach(struct scsi_qla_host *vha, int tgt_id)
1697 {
1698 fc_port_t *fcport;
1699
1700 ql_log(ql_log_info, vha, 0x5073,
1701 "Detach TGT-ID: 0x%x\n", tgt_id);
1702
1703 fcport = qlafx00_get_fcport(vha, tgt_id);
1704 if (!fcport)
1705 return;
1706
1707 qla2x00_mark_device_lost(vha, fcport, 0, 0);
1708
1709 return;
1710 }
1711
1712 int
1713 qlafx00_process_aen(struct scsi_qla_host *vha, struct qla_work_evt *evt)
1714 {
1715 int rval = 0;
1716 uint32_t aen_code, aen_data;
1717
1718 aen_code = FCH_EVT_VENDOR_UNIQUE;
1719 aen_data = evt->u.aenfx.evtcode;
1720
1721 switch (evt->u.aenfx.evtcode) {
1722 case QLAFX00_MBA_PORT_UPDATE: /* Port database update */
1723 if (evt->u.aenfx.mbx[1] == 0) {
1724 if (evt->u.aenfx.mbx[2] == 1) {
1725 if (!vha->flags.fw_tgt_reported)
1726 vha->flags.fw_tgt_reported = 1;
1727 atomic_set(&vha->loop_down_timer, 0);
1728 atomic_set(&vha->loop_state, LOOP_UP);
1729 set_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags);
1730 qla2xxx_wake_dpc(vha);
1731 } else if (evt->u.aenfx.mbx[2] == 2) {
1732 qlafx00_tgt_detach(vha, evt->u.aenfx.mbx[3]);
1733 }
1734 } else if (evt->u.aenfx.mbx[1] == 0xffff) {
1735 if (evt->u.aenfx.mbx[2] == 1) {
1736 if (!vha->flags.fw_tgt_reported)
1737 vha->flags.fw_tgt_reported = 1;
1738 set_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags);
1739 } else if (evt->u.aenfx.mbx[2] == 2) {
1740 vha->device_flags |= DFLG_NO_CABLE;
1741 qla2x00_mark_all_devices_lost(vha, 1);
1742 }
1743 }
1744 break;
1745 case QLAFX00_MBA_LINK_UP:
1746 aen_code = FCH_EVT_LINKUP;
1747 aen_data = 0;
1748 break;
1749 case QLAFX00_MBA_LINK_DOWN:
1750 aen_code = FCH_EVT_LINKDOWN;
1751 aen_data = 0;
1752 break;
1753 case QLAFX00_MBA_TEMP_CRIT: /* Critical temperature event */
1754 ql_log(ql_log_info, vha, 0x5082,
1755 "Process critical temperature event "
1756 "aenmb[0]: %x\n",
1757 evt->u.aenfx.evtcode);
1758 scsi_block_requests(vha->host);
1759 qlafx00_abort_isp_cleanup(vha, true);
1760 scsi_unblock_requests(vha->host);
1761 break;
1762 }
1763
1764 fc_host_post_event(vha->host, fc_get_event_number(),
1765 aen_code, aen_data);
1766
1767 return rval;
1768 }
1769
1770 static void
1771 qlafx00_update_host_attr(scsi_qla_host_t *vha, struct port_info_data *pinfo)
1772 {
1773 u64 port_name = 0, node_name = 0;
1774
1775 port_name = (unsigned long long)wwn_to_u64(pinfo->port_name);
1776 node_name = (unsigned long long)wwn_to_u64(pinfo->node_name);
1777
1778 fc_host_node_name(vha->host) = node_name;
1779 fc_host_port_name(vha->host) = port_name;
1780 if (!pinfo->port_type)
1781 vha->hw->current_topology = ISP_CFG_F;
1782 if (pinfo->link_status == QLAFX00_LINK_STATUS_UP)
1783 atomic_set(&vha->loop_state, LOOP_READY);
1784 else if (pinfo->link_status == QLAFX00_LINK_STATUS_DOWN)
1785 atomic_set(&vha->loop_state, LOOP_DOWN);
1786 vha->hw->link_data_rate = (uint16_t)pinfo->link_config;
1787 }
1788
1789 static void
1790 qla2x00_fxdisc_iocb_timeout(void *data)
1791 {
1792 srb_t *sp = data;
1793 struct srb_iocb *lio = &sp->u.iocb_cmd;
1794
1795 complete(&lio->u.fxiocb.fxiocb_comp);
1796 }
1797
1798 static void
1799 qla2x00_fxdisc_sp_done(void *ptr, int res)
1800 {
1801 srb_t *sp = ptr;
1802 struct srb_iocb *lio = &sp->u.iocb_cmd;
1803
1804 complete(&lio->u.fxiocb.fxiocb_comp);
1805 }
1806
1807 int
1808 qlafx00_fx_disc(scsi_qla_host_t *vha, fc_port_t *fcport, uint16_t fx_type)
1809 {
1810 srb_t *sp;
1811 struct srb_iocb *fdisc;
1812 int rval = QLA_FUNCTION_FAILED;
1813 struct qla_hw_data *ha = vha->hw;
1814 struct host_system_info *phost_info;
1815 struct register_host_info *preg_hsi;
1816 struct new_utsname *p_sysid = NULL;
1817
1818 sp = qla2x00_get_sp(vha, fcport, GFP_KERNEL);
1819 if (!sp)
1820 goto done;
1821
1822 sp->type = SRB_FXIOCB_DCMD;
1823 sp->name = "fxdisc";
1824
1825 fdisc = &sp->u.iocb_cmd;
1826 fdisc->timeout = qla2x00_fxdisc_iocb_timeout;
1827 qla2x00_init_timer(sp, FXDISC_TIMEOUT);
1828
1829 switch (fx_type) {
1830 case FXDISC_GET_CONFIG_INFO:
1831 fdisc->u.fxiocb.flags =
1832 SRB_FXDISC_RESP_DMA_VALID;
1833 fdisc->u.fxiocb.rsp_len = sizeof(struct config_info_data);
1834 break;
1835 case FXDISC_GET_PORT_INFO:
1836 fdisc->u.fxiocb.flags =
1837 SRB_FXDISC_RESP_DMA_VALID | SRB_FXDISC_REQ_DWRD_VALID;
1838 fdisc->u.fxiocb.rsp_len = QLAFX00_PORT_DATA_INFO;
1839 fdisc->u.fxiocb.req_data = cpu_to_le32(fcport->port_id);
1840 break;
1841 case FXDISC_GET_TGT_NODE_INFO:
1842 fdisc->u.fxiocb.flags =
1843 SRB_FXDISC_RESP_DMA_VALID | SRB_FXDISC_REQ_DWRD_VALID;
1844 fdisc->u.fxiocb.rsp_len = QLAFX00_TGT_NODE_INFO;
1845 fdisc->u.fxiocb.req_data = cpu_to_le32(fcport->tgt_id);
1846 break;
1847 case FXDISC_GET_TGT_NODE_LIST:
1848 fdisc->u.fxiocb.flags =
1849 SRB_FXDISC_RESP_DMA_VALID | SRB_FXDISC_REQ_DWRD_VALID;
1850 fdisc->u.fxiocb.rsp_len = QLAFX00_TGT_NODE_LIST_SIZE;
1851 break;
1852 case FXDISC_REG_HOST_INFO:
1853 fdisc->u.fxiocb.flags = SRB_FXDISC_REQ_DMA_VALID;
1854 fdisc->u.fxiocb.req_len = sizeof(struct register_host_info);
1855 p_sysid = utsname();
1856 if (!p_sysid) {
1857 ql_log(ql_log_warn, vha, 0x303c,
1858 "Not able to get the system information\n");
1859 goto done_free_sp;
1860 }
1861 break;
1862 case FXDISC_ABORT_IOCTL:
1863 default:
1864 break;
1865 }
1866
1867 if (fdisc->u.fxiocb.flags & SRB_FXDISC_REQ_DMA_VALID) {
1868 fdisc->u.fxiocb.req_addr = dma_alloc_coherent(&ha->pdev->dev,
1869 fdisc->u.fxiocb.req_len,
1870 &fdisc->u.fxiocb.req_dma_handle, GFP_KERNEL);
1871 if (!fdisc->u.fxiocb.req_addr)
1872 goto done_free_sp;
1873
1874 if (fx_type == FXDISC_REG_HOST_INFO) {
1875 preg_hsi = (struct register_host_info *)
1876 fdisc->u.fxiocb.req_addr;
1877 phost_info = &preg_hsi->hsi;
1878 memset(preg_hsi, 0, sizeof(struct register_host_info));
1879 phost_info->os_type = OS_TYPE_LINUX;
1880 strncpy(phost_info->sysname,
1881 p_sysid->sysname, SYSNAME_LENGTH);
1882 strncpy(phost_info->nodename,
1883 p_sysid->nodename, NODENAME_LENGTH);
1884 if (!strcmp(phost_info->nodename, "(none)"))
1885 ha->mr.host_info_resend = true;
1886 strncpy(phost_info->release,
1887 p_sysid->release, RELEASE_LENGTH);
1888 strncpy(phost_info->version,
1889 p_sysid->version, VERSION_LENGTH);
1890 strncpy(phost_info->machine,
1891 p_sysid->machine, MACHINE_LENGTH);
1892 strncpy(phost_info->domainname,
1893 p_sysid->domainname, DOMNAME_LENGTH);
1894 strncpy(phost_info->hostdriver,
1895 QLA2XXX_VERSION, VERSION_LENGTH);
1896 preg_hsi->utc = (uint64_t)ktime_get_real_seconds();
1897 ql_dbg(ql_dbg_init, vha, 0x0149,
1898 "ISP%04X: Host registration with firmware\n",
1899 ha->pdev->device);
1900 ql_dbg(ql_dbg_init, vha, 0x014a,
1901 "os_type = '%d', sysname = '%s', nodname = '%s'\n",
1902 phost_info->os_type,
1903 phost_info->sysname,
1904 phost_info->nodename);
1905 ql_dbg(ql_dbg_init, vha, 0x014b,
1906 "release = '%s', version = '%s'\n",
1907 phost_info->release,
1908 phost_info->version);
1909 ql_dbg(ql_dbg_init, vha, 0x014c,
1910 "machine = '%s' "
1911 "domainname = '%s', hostdriver = '%s'\n",
1912 phost_info->machine,
1913 phost_info->domainname,
1914 phost_info->hostdriver);
1915 ql_dump_buffer(ql_dbg_init + ql_dbg_disc, vha, 0x014d,
1916 (uint8_t *)phost_info,
1917 sizeof(struct host_system_info));
1918 }
1919 }
1920
1921 if (fdisc->u.fxiocb.flags & SRB_FXDISC_RESP_DMA_VALID) {
1922 fdisc->u.fxiocb.rsp_addr = dma_alloc_coherent(&ha->pdev->dev,
1923 fdisc->u.fxiocb.rsp_len,
1924 &fdisc->u.fxiocb.rsp_dma_handle, GFP_KERNEL);
1925 if (!fdisc->u.fxiocb.rsp_addr)
1926 goto done_unmap_req;
1927 }
1928
1929 fdisc->u.fxiocb.req_func_type = cpu_to_le16(fx_type);
1930 sp->done = qla2x00_fxdisc_sp_done;
1931
1932 rval = qla2x00_start_sp(sp);
1933 if (rval != QLA_SUCCESS)
1934 goto done_unmap_dma;
1935
1936 wait_for_completion(&fdisc->u.fxiocb.fxiocb_comp);
1937
1938 if (fx_type == FXDISC_GET_CONFIG_INFO) {
1939 struct config_info_data *pinfo =
1940 (struct config_info_data *) fdisc->u.fxiocb.rsp_addr;
1941 strcpy(vha->hw->model_number, pinfo->model_num);
1942 strcpy(vha->hw->model_desc, pinfo->model_description);
1943 memcpy(&vha->hw->mr.symbolic_name, pinfo->symbolic_name,
1944 sizeof(vha->hw->mr.symbolic_name));
1945 memcpy(&vha->hw->mr.serial_num, pinfo->serial_num,
1946 sizeof(vha->hw->mr.serial_num));
1947 memcpy(&vha->hw->mr.hw_version, pinfo->hw_version,
1948 sizeof(vha->hw->mr.hw_version));
1949 memcpy(&vha->hw->mr.fw_version, pinfo->fw_version,
1950 sizeof(vha->hw->mr.fw_version));
1951 strim(vha->hw->mr.fw_version);
1952 memcpy(&vha->hw->mr.uboot_version, pinfo->uboot_version,
1953 sizeof(vha->hw->mr.uboot_version));
1954 memcpy(&vha->hw->mr.fru_serial_num, pinfo->fru_serial_num,
1955 sizeof(vha->hw->mr.fru_serial_num));
1956 vha->hw->mr.critical_temperature =
1957 (pinfo->nominal_temp_value) ?
1958 pinfo->nominal_temp_value : QLAFX00_CRITEMP_THRSHLD;
1959 ha->mr.extended_io_enabled = (pinfo->enabled_capabilities &
1960 QLAFX00_EXTENDED_IO_EN_MASK) != 0;
1961 } else if (fx_type == FXDISC_GET_PORT_INFO) {
1962 struct port_info_data *pinfo =
1963 (struct port_info_data *) fdisc->u.fxiocb.rsp_addr;
1964 memcpy(vha->node_name, pinfo->node_name, WWN_SIZE);
1965 memcpy(vha->port_name, pinfo->port_name, WWN_SIZE);
1966 vha->d_id.b.domain = pinfo->port_id[0];
1967 vha->d_id.b.area = pinfo->port_id[1];
1968 vha->d_id.b.al_pa = pinfo->port_id[2];
1969 qlafx00_update_host_attr(vha, pinfo);
1970 ql_dump_buffer(ql_dbg_init + ql_dbg_buffer, vha, 0x0141,
1971 (uint8_t *)pinfo, 16);
1972 } else if (fx_type == FXDISC_GET_TGT_NODE_INFO) {
1973 struct qlafx00_tgt_node_info *pinfo =
1974 (struct qlafx00_tgt_node_info *) fdisc->u.fxiocb.rsp_addr;
1975 memcpy(fcport->node_name, pinfo->tgt_node_wwnn, WWN_SIZE);
1976 memcpy(fcport->port_name, pinfo->tgt_node_wwpn, WWN_SIZE);
1977 fcport->port_type = FCT_TARGET;
1978 ql_dump_buffer(ql_dbg_init + ql_dbg_buffer, vha, 0x0144,
1979 (uint8_t *)pinfo, 16);
1980 } else if (fx_type == FXDISC_GET_TGT_NODE_LIST) {
1981 struct qlafx00_tgt_node_info *pinfo =
1982 (struct qlafx00_tgt_node_info *) fdisc->u.fxiocb.rsp_addr;
1983 ql_dump_buffer(ql_dbg_init + ql_dbg_buffer, vha, 0x0146,
1984 (uint8_t *)pinfo, 16);
1985 memcpy(vha->hw->gid_list, pinfo, QLAFX00_TGT_NODE_LIST_SIZE);
1986 } else if (fx_type == FXDISC_ABORT_IOCTL)
1987 fdisc->u.fxiocb.result =
1988 (fdisc->u.fxiocb.result ==
1989 cpu_to_le32(QLAFX00_IOCTL_ICOB_ABORT_SUCCESS)) ?
1990 cpu_to_le32(QLA_SUCCESS) : cpu_to_le32(QLA_FUNCTION_FAILED);
1991
1992 rval = le32_to_cpu(fdisc->u.fxiocb.result);
1993
1994 done_unmap_dma:
1995 if (fdisc->u.fxiocb.rsp_addr)
1996 dma_free_coherent(&ha->pdev->dev, fdisc->u.fxiocb.rsp_len,
1997 fdisc->u.fxiocb.rsp_addr, fdisc->u.fxiocb.rsp_dma_handle);
1998
1999 done_unmap_req:
2000 if (fdisc->u.fxiocb.req_addr)
2001 dma_free_coherent(&ha->pdev->dev, fdisc->u.fxiocb.req_len,
2002 fdisc->u.fxiocb.req_addr, fdisc->u.fxiocb.req_dma_handle);
2003 done_free_sp:
2004 sp->free(sp);
2005 done:
2006 return rval;
2007 }
2008
2009 /*
2010 * qlafx00_initialize_adapter
2011 * Initialize board.
2012 *
2013 * Input:
2014 * ha = adapter block pointer.
2015 *
2016 * Returns:
2017 * 0 = success
2018 */
2019 int
2020 qlafx00_initialize_adapter(scsi_qla_host_t *vha)
2021 {
2022 int rval;
2023 struct qla_hw_data *ha = vha->hw;
2024 uint32_t tempc;
2025
2026 /* Clear adapter flags. */
2027 vha->flags.online = 0;
2028 ha->flags.chip_reset_done = 0;
2029 vha->flags.reset_active = 0;
2030 ha->flags.pci_channel_io_perm_failure = 0;
2031 ha->flags.eeh_busy = 0;
2032 atomic_set(&vha->loop_down_timer, LOOP_DOWN_TIME);
2033 atomic_set(&vha->loop_state, LOOP_DOWN);
2034 vha->device_flags = DFLG_NO_CABLE;
2035 vha->dpc_flags = 0;
2036 vha->flags.management_server_logged_in = 0;
2037 ha->isp_abort_cnt = 0;
2038 ha->beacon_blink_led = 0;
2039
2040 set_bit(0, ha->req_qid_map);
2041 set_bit(0, ha->rsp_qid_map);
2042
2043 ql_dbg(ql_dbg_init, vha, 0x0147,
2044 "Configuring PCI space...\n");
2045
2046 rval = ha->isp_ops->pci_config(vha);
2047 if (rval) {
2048 ql_log(ql_log_warn, vha, 0x0148,
2049 "Unable to configure PCI space.\n");
2050 return rval;
2051 }
2052
2053 rval = qlafx00_init_fw_ready(vha);
2054 if (rval != QLA_SUCCESS)
2055 return rval;
2056
2057 qlafx00_save_queue_ptrs(vha);
2058
2059 rval = qlafx00_config_queues(vha);
2060 if (rval != QLA_SUCCESS)
2061 return rval;
2062
2063 /*
2064 * Allocate the array of outstanding commands
2065 * now that we know the firmware resources.
2066 */
2067 rval = qla2x00_alloc_outstanding_cmds(ha, vha->req);
2068 if (rval != QLA_SUCCESS)
2069 return rval;
2070
2071 rval = qla2x00_init_rings(vha);
2072 ha->flags.chip_reset_done = 1;
2073
2074 tempc = QLAFX00_GET_TEMPERATURE(ha);
2075 ql_dbg(ql_dbg_init, vha, 0x0152,
2076 "ISPFx00(%s): Critical temp timer, current SOC temperature: 0x%x\n",
2077 __func__, tempc);
2078
2079 return rval;
2080 }
2081
2082 uint32_t
2083 qlafx00_fw_state_show(struct device *dev, struct device_attribute *attr,
2084 char *buf)
2085 {
2086 scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
2087 int rval = QLA_FUNCTION_FAILED;
2088 uint32_t state[1];
2089
2090 if (qla2x00_reset_active(vha))
2091 ql_log(ql_log_warn, vha, 0x70ce,
2092 "ISP reset active.\n");
2093 else if (!vha->hw->flags.eeh_busy) {
2094 rval = qlafx00_get_firmware_state(vha, state);
2095 }
2096 if (rval != QLA_SUCCESS)
2097 memset(state, -1, sizeof(state));
2098
2099 return state[0];
2100 }
2101
2102 void
2103 qlafx00_get_host_speed(struct Scsi_Host *shost)
2104 {
2105 struct qla_hw_data *ha = ((struct scsi_qla_host *)
2106 (shost_priv(shost)))->hw;
2107 u32 speed = FC_PORTSPEED_UNKNOWN;
2108
2109 switch (ha->link_data_rate) {
2110 case QLAFX00_PORT_SPEED_2G:
2111 speed = FC_PORTSPEED_2GBIT;
2112 break;
2113 case QLAFX00_PORT_SPEED_4G:
2114 speed = FC_PORTSPEED_4GBIT;
2115 break;
2116 case QLAFX00_PORT_SPEED_8G:
2117 speed = FC_PORTSPEED_8GBIT;
2118 break;
2119 case QLAFX00_PORT_SPEED_10G:
2120 speed = FC_PORTSPEED_10GBIT;
2121 break;
2122 }
2123 fc_host_speed(shost) = speed;
2124 }
2125
2126 /** QLAFX00 specific ISR implementation functions */
2127
2128 static inline void
2129 qlafx00_handle_sense(srb_t *sp, uint8_t *sense_data, uint32_t par_sense_len,
2130 uint32_t sense_len, struct rsp_que *rsp, int res)
2131 {
2132 struct scsi_qla_host *vha = sp->vha;
2133 struct scsi_cmnd *cp = GET_CMD_SP(sp);
2134 uint32_t track_sense_len;
2135
2136 SET_FW_SENSE_LEN(sp, sense_len);
2137
2138 if (sense_len >= SCSI_SENSE_BUFFERSIZE)
2139 sense_len = SCSI_SENSE_BUFFERSIZE;
2140
2141 SET_CMD_SENSE_LEN(sp, sense_len);
2142 SET_CMD_SENSE_PTR(sp, cp->sense_buffer);
2143 track_sense_len = sense_len;
2144
2145 if (sense_len > par_sense_len)
2146 sense_len = par_sense_len;
2147
2148 memcpy(cp->sense_buffer, sense_data, sense_len);
2149
2150 SET_FW_SENSE_LEN(sp, GET_FW_SENSE_LEN(sp) - sense_len);
2151
2152 SET_CMD_SENSE_PTR(sp, cp->sense_buffer + sense_len);
2153 track_sense_len -= sense_len;
2154 SET_CMD_SENSE_LEN(sp, track_sense_len);
2155
2156 ql_dbg(ql_dbg_io, vha, 0x304d,
2157 "sense_len=0x%x par_sense_len=0x%x track_sense_len=0x%x.\n",
2158 sense_len, par_sense_len, track_sense_len);
2159 if (GET_FW_SENSE_LEN(sp) > 0) {
2160 rsp->status_srb = sp;
2161 cp->result = res;
2162 }
2163
2164 if (sense_len) {
2165 ql_dbg(ql_dbg_io + ql_dbg_buffer, vha, 0x3039,
2166 "Check condition Sense data, nexus%ld:%d:%llu cmd=%p.\n",
2167 sp->vha->host_no, cp->device->id, cp->device->lun,
2168 cp);
2169 ql_dump_buffer(ql_dbg_io + ql_dbg_buffer, vha, 0x3049,
2170 cp->sense_buffer, sense_len);
2171 }
2172 }
2173
2174 static void
2175 qlafx00_tm_iocb_entry(scsi_qla_host_t *vha, struct req_que *req,
2176 struct tsk_mgmt_entry_fx00 *pkt, srb_t *sp,
2177 __le16 sstatus, __le16 cpstatus)
2178 {
2179 struct srb_iocb *tmf;
2180
2181 tmf = &sp->u.iocb_cmd;
2182 if (cpstatus != cpu_to_le16((uint16_t)CS_COMPLETE) ||
2183 (sstatus & cpu_to_le16((uint16_t)SS_RESPONSE_INFO_LEN_VALID)))
2184 cpstatus = cpu_to_le16((uint16_t)CS_INCOMPLETE);
2185 tmf->u.tmf.comp_status = cpstatus;
2186 sp->done(sp, 0);
2187 }
2188
2189 static void
2190 qlafx00_abort_iocb_entry(scsi_qla_host_t *vha, struct req_que *req,
2191 struct abort_iocb_entry_fx00 *pkt)
2192 {
2193 const char func[] = "ABT_IOCB";
2194 srb_t *sp;
2195 struct srb_iocb *abt;
2196
2197 sp = qla2x00_get_sp_from_handle(vha, func, req, pkt);
2198 if (!sp)
2199 return;
2200
2201 abt = &sp->u.iocb_cmd;
2202 abt->u.abt.comp_status = pkt->tgt_id_sts;
2203 sp->done(sp, 0);
2204 }
2205
2206 static void
2207 qlafx00_ioctl_iosb_entry(scsi_qla_host_t *vha, struct req_que *req,
2208 struct ioctl_iocb_entry_fx00 *pkt)
2209 {
2210 const char func[] = "IOSB_IOCB";
2211 srb_t *sp;
2212 struct bsg_job *bsg_job;
2213 struct fc_bsg_reply *bsg_reply;
2214 struct srb_iocb *iocb_job;
2215 int res = 0;
2216 struct qla_mt_iocb_rsp_fx00 fstatus;
2217 uint8_t *fw_sts_ptr;
2218
2219 sp = qla2x00_get_sp_from_handle(vha, func, req, pkt);
2220 if (!sp)
2221 return;
2222
2223 if (sp->type == SRB_FXIOCB_DCMD) {
2224 iocb_job = &sp->u.iocb_cmd;
2225 iocb_job->u.fxiocb.seq_number = pkt->seq_no;
2226 iocb_job->u.fxiocb.fw_flags = pkt->fw_iotcl_flags;
2227 iocb_job->u.fxiocb.result = pkt->status;
2228 if (iocb_job->u.fxiocb.flags & SRB_FXDISC_RSP_DWRD_VALID)
2229 iocb_job->u.fxiocb.req_data =
2230 pkt->dataword_r;
2231 } else {
2232 bsg_job = sp->u.bsg_job;
2233 bsg_reply = bsg_job->reply;
2234
2235 memset(&fstatus, 0, sizeof(struct qla_mt_iocb_rsp_fx00));
2236
2237 fstatus.reserved_1 = pkt->reserved_0;
2238 fstatus.func_type = pkt->comp_func_num;
2239 fstatus.ioctl_flags = pkt->fw_iotcl_flags;
2240 fstatus.ioctl_data = pkt->dataword_r;
2241 fstatus.adapid = pkt->adapid;
2242 fstatus.reserved_2 = pkt->dataword_r_extra;
2243 fstatus.res_count = pkt->residuallen;
2244 fstatus.status = pkt->status;
2245 fstatus.seq_number = pkt->seq_no;
2246 memcpy(fstatus.reserved_3,
2247 pkt->reserved_2, 20 * sizeof(uint8_t));
2248
2249 fw_sts_ptr = bsg_job->reply + sizeof(struct fc_bsg_reply);
2250
2251 memcpy(fw_sts_ptr, (uint8_t *)&fstatus,
2252 sizeof(struct qla_mt_iocb_rsp_fx00));
2253 bsg_job->reply_len = sizeof(struct fc_bsg_reply) +
2254 sizeof(struct qla_mt_iocb_rsp_fx00) + sizeof(uint8_t);
2255
2256 ql_dump_buffer(ql_dbg_user + ql_dbg_verbose,
2257 sp->fcport->vha, 0x5080,
2258 (uint8_t *)pkt, sizeof(struct ioctl_iocb_entry_fx00));
2259
2260 ql_dump_buffer(ql_dbg_user + ql_dbg_verbose,
2261 sp->fcport->vha, 0x5074,
2262 (uint8_t *)fw_sts_ptr, sizeof(struct qla_mt_iocb_rsp_fx00));
2263
2264 res = bsg_reply->result = DID_OK << 16;
2265 bsg_reply->reply_payload_rcv_len =
2266 bsg_job->reply_payload.payload_len;
2267 }
2268 sp->done(sp, res);
2269 }
2270
2271 /**
2272 * qlafx00_status_entry() - Process a Status IOCB entry.
2273 * @vha: SCSI driver HA context
2274 * @rsp: response queue
2275 * @pkt: Entry pointer
2276 */
2277 static void
2278 qlafx00_status_entry(scsi_qla_host_t *vha, struct rsp_que *rsp, void *pkt)
2279 {
2280 srb_t *sp;
2281 fc_port_t *fcport;
2282 struct scsi_cmnd *cp;
2283 struct sts_entry_fx00 *sts;
2284 __le16 comp_status;
2285 __le16 scsi_status;
2286 __le16 lscsi_status;
2287 int32_t resid;
2288 uint32_t sense_len, par_sense_len, rsp_info_len, resid_len,
2289 fw_resid_len;
2290 uint8_t *rsp_info = NULL, *sense_data = NULL;
2291 struct qla_hw_data *ha = vha->hw;
2292 uint32_t hindex, handle;
2293 uint16_t que;
2294 struct req_que *req;
2295 int logit = 1;
2296 int res = 0;
2297
2298 sts = (struct sts_entry_fx00 *) pkt;
2299
2300 comp_status = sts->comp_status;
2301 scsi_status = sts->scsi_status & cpu_to_le16((uint16_t)SS_MASK);
2302 hindex = sts->handle;
2303 handle = LSW(hindex);
2304
2305 que = MSW(hindex);
2306 req = ha->req_q_map[que];
2307
2308 /* Validate handle. */
2309 if (handle < req->num_outstanding_cmds)
2310 sp = req->outstanding_cmds[handle];
2311 else
2312 sp = NULL;
2313
2314 if (sp == NULL) {
2315 ql_dbg(ql_dbg_io, vha, 0x3034,
2316 "Invalid status handle (0x%x).\n", handle);
2317
2318 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
2319 qla2xxx_wake_dpc(vha);
2320 return;
2321 }
2322
2323 if (sp->type == SRB_TM_CMD) {
2324 req->outstanding_cmds[handle] = NULL;
2325 qlafx00_tm_iocb_entry(vha, req, pkt, sp,
2326 scsi_status, comp_status);
2327 return;
2328 }
2329
2330 /* Fast path completion. */
2331 if (comp_status == CS_COMPLETE && scsi_status == 0) {
2332 qla2x00_process_completed_request(vha, req, handle);
2333 return;
2334 }
2335
2336 req->outstanding_cmds[handle] = NULL;
2337 cp = GET_CMD_SP(sp);
2338 if (cp == NULL) {
2339 ql_dbg(ql_dbg_io, vha, 0x3048,
2340 "Command already returned (0x%x/%p).\n",
2341 handle, sp);
2342
2343 return;
2344 }
2345
2346 lscsi_status = scsi_status & cpu_to_le16((uint16_t)STATUS_MASK);
2347
2348 fcport = sp->fcport;
2349
2350 sense_len = par_sense_len = rsp_info_len = resid_len =
2351 fw_resid_len = 0;
2352 if (scsi_status & cpu_to_le16((uint16_t)SS_SENSE_LEN_VALID))
2353 sense_len = sts->sense_len;
2354 if (scsi_status & cpu_to_le16(((uint16_t)SS_RESIDUAL_UNDER
2355 | (uint16_t)SS_RESIDUAL_OVER)))
2356 resid_len = le32_to_cpu(sts->residual_len);
2357 if (comp_status == cpu_to_le16((uint16_t)CS_DATA_UNDERRUN))
2358 fw_resid_len = le32_to_cpu(sts->residual_len);
2359 rsp_info = sense_data = sts->data;
2360 par_sense_len = sizeof(sts->data);
2361
2362 /* Check for overrun. */
2363 if (comp_status == CS_COMPLETE &&
2364 scsi_status & cpu_to_le16((uint16_t)SS_RESIDUAL_OVER))
2365 comp_status = cpu_to_le16((uint16_t)CS_DATA_OVERRUN);
2366
2367 /*
2368 * Based on Host and scsi status generate status code for Linux
2369 */
2370 switch (le16_to_cpu(comp_status)) {
2371 case CS_COMPLETE:
2372 case CS_QUEUE_FULL:
2373 if (scsi_status == 0) {
2374 res = DID_OK << 16;
2375 break;
2376 }
2377 if (scsi_status & cpu_to_le16(((uint16_t)SS_RESIDUAL_UNDER
2378 | (uint16_t)SS_RESIDUAL_OVER))) {
2379 resid = resid_len;
2380 scsi_set_resid(cp, resid);
2381
2382 if (!lscsi_status &&
2383 ((unsigned)(scsi_bufflen(cp) - resid) <
2384 cp->underflow)) {
2385 ql_dbg(ql_dbg_io, fcport->vha, 0x3050,
2386 "Mid-layer underflow "
2387 "detected (0x%x of 0x%x bytes).\n",
2388 resid, scsi_bufflen(cp));
2389
2390 res = DID_ERROR << 16;
2391 break;
2392 }
2393 }
2394 res = DID_OK << 16 | le16_to_cpu(lscsi_status);
2395
2396 if (lscsi_status ==
2397 cpu_to_le16((uint16_t)SAM_STAT_TASK_SET_FULL)) {
2398 ql_dbg(ql_dbg_io, fcport->vha, 0x3051,
2399 "QUEUE FULL detected.\n");
2400 break;
2401 }
2402 logit = 0;
2403 if (lscsi_status != cpu_to_le16((uint16_t)SS_CHECK_CONDITION))
2404 break;
2405
2406 memset(cp->sense_buffer, 0, SCSI_SENSE_BUFFERSIZE);
2407 if (!(scsi_status & cpu_to_le16((uint16_t)SS_SENSE_LEN_VALID)))
2408 break;
2409
2410 qlafx00_handle_sense(sp, sense_data, par_sense_len, sense_len,
2411 rsp, res);
2412 break;
2413
2414 case CS_DATA_UNDERRUN:
2415 /* Use F/W calculated residual length. */
2416 if (IS_FWI2_CAPABLE(ha) || IS_QLAFX00(ha))
2417 resid = fw_resid_len;
2418 else
2419 resid = resid_len;
2420 scsi_set_resid(cp, resid);
2421 if (scsi_status & cpu_to_le16((uint16_t)SS_RESIDUAL_UNDER)) {
2422 if ((IS_FWI2_CAPABLE(ha) || IS_QLAFX00(ha))
2423 && fw_resid_len != resid_len) {
2424 ql_dbg(ql_dbg_io, fcport->vha, 0x3052,
2425 "Dropped frame(s) detected "
2426 "(0x%x of 0x%x bytes).\n",
2427 resid, scsi_bufflen(cp));
2428
2429 res = DID_ERROR << 16 |
2430 le16_to_cpu(lscsi_status);
2431 goto check_scsi_status;
2432 }
2433
2434 if (!lscsi_status &&
2435 ((unsigned)(scsi_bufflen(cp) - resid) <
2436 cp->underflow)) {
2437 ql_dbg(ql_dbg_io, fcport->vha, 0x3053,
2438 "Mid-layer underflow "
2439 "detected (0x%x of 0x%x bytes, "
2440 "cp->underflow: 0x%x).\n",
2441 resid, scsi_bufflen(cp), cp->underflow);
2442
2443 res = DID_ERROR << 16;
2444 break;
2445 }
2446 } else if (lscsi_status !=
2447 cpu_to_le16((uint16_t)SAM_STAT_TASK_SET_FULL) &&
2448 lscsi_status != cpu_to_le16((uint16_t)SAM_STAT_BUSY)) {
2449 /*
2450 * scsi status of task set and busy are considered
2451 * to be task not completed.
2452 */
2453
2454 ql_dbg(ql_dbg_io, fcport->vha, 0x3054,
2455 "Dropped frame(s) detected (0x%x "
2456 "of 0x%x bytes).\n", resid,
2457 scsi_bufflen(cp));
2458
2459 res = DID_ERROR << 16 | le16_to_cpu(lscsi_status);
2460 goto check_scsi_status;
2461 } else {
2462 ql_dbg(ql_dbg_io, fcport->vha, 0x3055,
2463 "scsi_status: 0x%x, lscsi_status: 0x%x\n",
2464 scsi_status, lscsi_status);
2465 }
2466
2467 res = DID_OK << 16 | le16_to_cpu(lscsi_status);
2468 logit = 0;
2469
2470 check_scsi_status:
2471 /*
2472 * Check to see if SCSI Status is non zero. If so report SCSI
2473 * Status.
2474 */
2475 if (lscsi_status != 0) {
2476 if (lscsi_status ==
2477 cpu_to_le16((uint16_t)SAM_STAT_TASK_SET_FULL)) {
2478 ql_dbg(ql_dbg_io, fcport->vha, 0x3056,
2479 "QUEUE FULL detected.\n");
2480 logit = 1;
2481 break;
2482 }
2483 if (lscsi_status !=
2484 cpu_to_le16((uint16_t)SS_CHECK_CONDITION))
2485 break;
2486
2487 memset(cp->sense_buffer, 0, SCSI_SENSE_BUFFERSIZE);
2488 if (!(scsi_status &
2489 cpu_to_le16((uint16_t)SS_SENSE_LEN_VALID)))
2490 break;
2491
2492 qlafx00_handle_sense(sp, sense_data, par_sense_len,
2493 sense_len, rsp, res);
2494 }
2495 break;
2496
2497 case CS_PORT_LOGGED_OUT:
2498 case CS_PORT_CONFIG_CHG:
2499 case CS_PORT_BUSY:
2500 case CS_INCOMPLETE:
2501 case CS_PORT_UNAVAILABLE:
2502 case CS_TIMEOUT:
2503 case CS_RESET:
2504
2505 /*
2506 * We are going to have the fc class block the rport
2507 * while we try to recover so instruct the mid layer
2508 * to requeue until the class decides how to handle this.
2509 */
2510 res = DID_TRANSPORT_DISRUPTED << 16;
2511
2512 ql_dbg(ql_dbg_io, fcport->vha, 0x3057,
2513 "Port down status: port-state=0x%x.\n",
2514 atomic_read(&fcport->state));
2515
2516 if (atomic_read(&fcport->state) == FCS_ONLINE)
2517 qla2x00_mark_device_lost(fcport->vha, fcport, 1, 1);
2518 break;
2519
2520 case CS_ABORTED:
2521 res = DID_RESET << 16;
2522 break;
2523
2524 default:
2525 res = DID_ERROR << 16;
2526 break;
2527 }
2528
2529 if (logit)
2530 ql_dbg(ql_dbg_io, fcport->vha, 0x3058,
2531 "FCP command status: 0x%x-0x%x (0x%x) nexus=%ld:%d:%llu "
2532 "tgt_id: 0x%x lscsi_status: 0x%x cdb=%10phN len=0x%x "
2533 "rsp_info=%p resid=0x%x fw_resid=0x%x sense_len=0x%x, "
2534 "par_sense_len=0x%x, rsp_info_len=0x%x\n",
2535 comp_status, scsi_status, res, vha->host_no,
2536 cp->device->id, cp->device->lun, fcport->tgt_id,
2537 lscsi_status, cp->cmnd, scsi_bufflen(cp),
2538 rsp_info, resid_len, fw_resid_len, sense_len,
2539 par_sense_len, rsp_info_len);
2540
2541 if (rsp->status_srb == NULL)
2542 sp->done(sp, res);
2543 }
2544
2545 /**
2546 * qlafx00_status_cont_entry() - Process a Status Continuations entry.
2547 * @rsp: response queue
2548 * @pkt: Entry pointer
2549 *
2550 * Extended sense data.
2551 */
2552 static void
2553 qlafx00_status_cont_entry(struct rsp_que *rsp, sts_cont_entry_t *pkt)
2554 {
2555 uint8_t sense_sz = 0;
2556 struct qla_hw_data *ha = rsp->hw;
2557 struct scsi_qla_host *vha = pci_get_drvdata(ha->pdev);
2558 srb_t *sp = rsp->status_srb;
2559 struct scsi_cmnd *cp;
2560 uint32_t sense_len;
2561 uint8_t *sense_ptr;
2562
2563 if (!sp) {
2564 ql_dbg(ql_dbg_io, vha, 0x3037,
2565 "no SP, sp = %p\n", sp);
2566 return;
2567 }
2568
2569 if (!GET_FW_SENSE_LEN(sp)) {
2570 ql_dbg(ql_dbg_io, vha, 0x304b,
2571 "no fw sense data, sp = %p\n", sp);
2572 return;
2573 }
2574 cp = GET_CMD_SP(sp);
2575 if (cp == NULL) {
2576 ql_log(ql_log_warn, vha, 0x303b,
2577 "cmd is NULL: already returned to OS (sp=%p).\n", sp);
2578
2579 rsp->status_srb = NULL;
2580 return;
2581 }
2582
2583 if (!GET_CMD_SENSE_LEN(sp)) {
2584 ql_dbg(ql_dbg_io, vha, 0x304c,
2585 "no sense data, sp = %p\n", sp);
2586 } else {
2587 sense_len = GET_CMD_SENSE_LEN(sp);
2588 sense_ptr = GET_CMD_SENSE_PTR(sp);
2589 ql_dbg(ql_dbg_io, vha, 0x304f,
2590 "sp=%p sense_len=0x%x sense_ptr=%p.\n",
2591 sp, sense_len, sense_ptr);
2592
2593 if (sense_len > sizeof(pkt->data))
2594 sense_sz = sizeof(pkt->data);
2595 else
2596 sense_sz = sense_len;
2597
2598 /* Move sense data. */
2599 ql_dump_buffer(ql_dbg_io + ql_dbg_buffer, vha, 0x304e,
2600 (uint8_t *)pkt, sizeof(sts_cont_entry_t));
2601 memcpy(sense_ptr, pkt->data, sense_sz);
2602 ql_dump_buffer(ql_dbg_io + ql_dbg_buffer, vha, 0x304a,
2603 sense_ptr, sense_sz);
2604
2605 sense_len -= sense_sz;
2606 sense_ptr += sense_sz;
2607
2608 SET_CMD_SENSE_PTR(sp, sense_ptr);
2609 SET_CMD_SENSE_LEN(sp, sense_len);
2610 }
2611 sense_len = GET_FW_SENSE_LEN(sp);
2612 sense_len = (sense_len > sizeof(pkt->data)) ?
2613 (sense_len - sizeof(pkt->data)) : 0;
2614 SET_FW_SENSE_LEN(sp, sense_len);
2615
2616 /* Place command on done queue. */
2617 if (sense_len == 0) {
2618 rsp->status_srb = NULL;
2619 sp->done(sp, cp->result);
2620 }
2621 }
2622
2623 /**
2624 * qlafx00_multistatus_entry() - Process Multi response queue entries.
2625 * @vha: SCSI driver HA context
2626 * @rsp: response queue
2627 * @pkt: received packet
2628 */
2629 static void
2630 qlafx00_multistatus_entry(struct scsi_qla_host *vha,
2631 struct rsp_que *rsp, void *pkt)
2632 {
2633 srb_t *sp;
2634 struct multi_sts_entry_fx00 *stsmfx;
2635 struct qla_hw_data *ha = vha->hw;
2636 uint32_t handle, hindex, handle_count, i;
2637 uint16_t que;
2638 struct req_que *req;
2639 __le32 *handle_ptr;
2640
2641 stsmfx = (struct multi_sts_entry_fx00 *) pkt;
2642
2643 handle_count = stsmfx->handle_count;
2644
2645 if (handle_count > MAX_HANDLE_COUNT) {
2646 ql_dbg(ql_dbg_io, vha, 0x3035,
2647 "Invalid handle count (0x%x).\n", handle_count);
2648 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
2649 qla2xxx_wake_dpc(vha);
2650 return;
2651 }
2652
2653 handle_ptr = &stsmfx->handles[0];
2654
2655 for (i = 0; i < handle_count; i++) {
2656 hindex = le32_to_cpu(*handle_ptr);
2657 handle = LSW(hindex);
2658 que = MSW(hindex);
2659 req = ha->req_q_map[que];
2660
2661 /* Validate handle. */
2662 if (handle < req->num_outstanding_cmds)
2663 sp = req->outstanding_cmds[handle];
2664 else
2665 sp = NULL;
2666
2667 if (sp == NULL) {
2668 ql_dbg(ql_dbg_io, vha, 0x3044,
2669 "Invalid status handle (0x%x).\n", handle);
2670 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
2671 qla2xxx_wake_dpc(vha);
2672 return;
2673 }
2674 qla2x00_process_completed_request(vha, req, handle);
2675 handle_ptr++;
2676 }
2677 }
2678
2679 /**
2680 * qlafx00_error_entry() - Process an error entry.
2681 * @vha: SCSI driver HA context
2682 * @rsp: response queue
2683 * @pkt: Entry pointer
2684 */
2685 static void
2686 qlafx00_error_entry(scsi_qla_host_t *vha, struct rsp_que *rsp,
2687 struct sts_entry_fx00 *pkt)
2688 {
2689 srb_t *sp;
2690 struct qla_hw_data *ha = vha->hw;
2691 const char func[] = "ERROR-IOCB";
2692 uint16_t que = 0;
2693 struct req_que *req = NULL;
2694 int res = DID_ERROR << 16;
2695
2696 req = ha->req_q_map[que];
2697
2698 sp = qla2x00_get_sp_from_handle(vha, func, req, pkt);
2699 if (sp) {
2700 sp->done(sp, res);
2701 return;
2702 }
2703
2704 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
2705 qla2xxx_wake_dpc(vha);
2706 }
2707
2708 /**
2709 * qlafx00_process_response_queue() - Process response queue entries.
2710 * @vha: SCSI driver HA context
2711 * @rsp: response queue
2712 */
2713 static void
2714 qlafx00_process_response_queue(struct scsi_qla_host *vha,
2715 struct rsp_que *rsp)
2716 {
2717 struct sts_entry_fx00 *pkt;
2718 response_t *lptr;
2719 uint16_t lreq_q_in = 0;
2720 uint16_t lreq_q_out = 0;
2721
2722 lreq_q_in = RD_REG_DWORD(rsp->rsp_q_in);
2723 lreq_q_out = rsp->ring_index;
2724
2725 while (lreq_q_in != lreq_q_out) {
2726 lptr = rsp->ring_ptr;
2727 memcpy_fromio(rsp->rsp_pkt, (void __iomem *)lptr,
2728 sizeof(rsp->rsp_pkt));
2729 pkt = (struct sts_entry_fx00 *)rsp->rsp_pkt;
2730
2731 rsp->ring_index++;
2732 lreq_q_out++;
2733 if (rsp->ring_index == rsp->length) {
2734 lreq_q_out = 0;
2735 rsp->ring_index = 0;
2736 rsp->ring_ptr = rsp->ring;
2737 } else {
2738 rsp->ring_ptr++;
2739 }
2740
2741 if (pkt->entry_status != 0 &&
2742 pkt->entry_type != IOCTL_IOSB_TYPE_FX00) {
2743 ql_dbg(ql_dbg_async, vha, 0x507f,
2744 "type of error status in response: 0x%x\n",
2745 pkt->entry_status);
2746 qlafx00_error_entry(vha, rsp,
2747 (struct sts_entry_fx00 *)pkt);
2748 continue;
2749 }
2750
2751 switch (pkt->entry_type) {
2752 case STATUS_TYPE_FX00:
2753 qlafx00_status_entry(vha, rsp, pkt);
2754 break;
2755
2756 case STATUS_CONT_TYPE_FX00:
2757 qlafx00_status_cont_entry(rsp, (sts_cont_entry_t *)pkt);
2758 break;
2759
2760 case MULTI_STATUS_TYPE_FX00:
2761 qlafx00_multistatus_entry(vha, rsp, pkt);
2762 break;
2763
2764 case ABORT_IOCB_TYPE_FX00:
2765 qlafx00_abort_iocb_entry(vha, rsp->req,
2766 (struct abort_iocb_entry_fx00 *)pkt);
2767 break;
2768
2769 case IOCTL_IOSB_TYPE_FX00:
2770 qlafx00_ioctl_iosb_entry(vha, rsp->req,
2771 (struct ioctl_iocb_entry_fx00 *)pkt);
2772 break;
2773 default:
2774 /* Type Not Supported. */
2775 ql_dbg(ql_dbg_async, vha, 0x5081,
2776 "Received unknown response pkt type %x "
2777 "entry status=%x.\n",
2778 pkt->entry_type, pkt->entry_status);
2779 break;
2780 }
2781 }
2782
2783 /* Adjust ring index */
2784 WRT_REG_DWORD(rsp->rsp_q_out, rsp->ring_index);
2785 }
2786
2787 /**
2788 * qlafx00_async_event() - Process aynchronous events.
2789 * @vha: SCSI driver HA context
2790 */
2791 static void
2792 qlafx00_async_event(scsi_qla_host_t *vha)
2793 {
2794 struct qla_hw_data *ha = vha->hw;
2795 struct device_reg_fx00 __iomem *reg;
2796 int data_size = 1;
2797
2798 reg = &ha->iobase->ispfx00;
2799 /* Setup to process RIO completion. */
2800 switch (ha->aenmb[0]) {
2801 case QLAFX00_MBA_SYSTEM_ERR: /* System Error */
2802 ql_log(ql_log_warn, vha, 0x5079,
2803 "ISP System Error - mbx1=%x\n", ha->aenmb[0]);
2804 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
2805 break;
2806
2807 case QLAFX00_MBA_SHUTDOWN_RQSTD: /* Shutdown requested */
2808 ql_dbg(ql_dbg_async, vha, 0x5076,
2809 "Asynchronous FW shutdown requested.\n");
2810 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
2811 qla2xxx_wake_dpc(vha);
2812 break;
2813
2814 case QLAFX00_MBA_PORT_UPDATE: /* Port database update */
2815 ha->aenmb[1] = RD_REG_DWORD(&reg->aenmailbox1);
2816 ha->aenmb[2] = RD_REG_DWORD(&reg->aenmailbox2);
2817 ha->aenmb[3] = RD_REG_DWORD(&reg->aenmailbox3);
2818 ql_dbg(ql_dbg_async, vha, 0x5077,
2819 "Asynchronous port Update received "
2820 "aenmb[0]: %x, aenmb[1]: %x, aenmb[2]: %x, aenmb[3]: %x\n",
2821 ha->aenmb[0], ha->aenmb[1], ha->aenmb[2], ha->aenmb[3]);
2822 data_size = 4;
2823 break;
2824
2825 case QLAFX00_MBA_TEMP_OVER: /* Over temperature event */
2826 ql_log(ql_log_info, vha, 0x5085,
2827 "Asynchronous over temperature event received "
2828 "aenmb[0]: %x\n",
2829 ha->aenmb[0]);
2830 break;
2831
2832 case QLAFX00_MBA_TEMP_NORM: /* Normal temperature event */
2833 ql_log(ql_log_info, vha, 0x5086,
2834 "Asynchronous normal temperature event received "
2835 "aenmb[0]: %x\n",
2836 ha->aenmb[0]);
2837 break;
2838
2839 case QLAFX00_MBA_TEMP_CRIT: /* Critical temperature event */
2840 ql_log(ql_log_info, vha, 0x5083,
2841 "Asynchronous critical temperature event received "
2842 "aenmb[0]: %x\n",
2843 ha->aenmb[0]);
2844 break;
2845
2846 default:
2847 ha->aenmb[1] = RD_REG_WORD(&reg->aenmailbox1);
2848 ha->aenmb[2] = RD_REG_WORD(&reg->aenmailbox2);
2849 ha->aenmb[3] = RD_REG_WORD(&reg->aenmailbox3);
2850 ha->aenmb[4] = RD_REG_WORD(&reg->aenmailbox4);
2851 ha->aenmb[5] = RD_REG_WORD(&reg->aenmailbox5);
2852 ha->aenmb[6] = RD_REG_WORD(&reg->aenmailbox6);
2853 ha->aenmb[7] = RD_REG_WORD(&reg->aenmailbox7);
2854 ql_dbg(ql_dbg_async, vha, 0x5078,
2855 "AEN:%04x %04x %04x %04x :%04x %04x %04x %04x\n",
2856 ha->aenmb[0], ha->aenmb[1], ha->aenmb[2], ha->aenmb[3],
2857 ha->aenmb[4], ha->aenmb[5], ha->aenmb[6], ha->aenmb[7]);
2858 break;
2859 }
2860 qlafx00_post_aenfx_work(vha, ha->aenmb[0],
2861 (uint32_t *)ha->aenmb, data_size);
2862 }
2863
2864 /**
2865 * qlafx00x_mbx_completion() - Process mailbox command completions.
2866 * @vha: SCSI driver HA context
2867 * @mb0: value to be written into mailbox register 0
2868 */
2869 static void
2870 qlafx00_mbx_completion(scsi_qla_host_t *vha, uint32_t mb0)
2871 {
2872 uint16_t cnt;
2873 uint32_t __iomem *wptr;
2874 struct qla_hw_data *ha = vha->hw;
2875 struct device_reg_fx00 __iomem *reg = &ha->iobase->ispfx00;
2876
2877 if (!ha->mcp32)
2878 ql_dbg(ql_dbg_async, vha, 0x507e, "MBX pointer ERROR.\n");
2879
2880 /* Load return mailbox registers. */
2881 ha->flags.mbox_int = 1;
2882 ha->mailbox_out32[0] = mb0;
2883 wptr = (uint32_t __iomem *)&reg->mailbox17;
2884
2885 for (cnt = 1; cnt < ha->mbx_count; cnt++) {
2886 ha->mailbox_out32[cnt] = RD_REG_DWORD(wptr);
2887 wptr++;
2888 }
2889 }
2890
2891 /**
2892 * qlafx00_intr_handler() - Process interrupts for the ISPFX00.
2893 * @irq: interrupt number
2894 * @dev_id: SCSI driver HA context
2895 *
2896 * Called by system whenever the host adapter generates an interrupt.
2897 *
2898 * Returns handled flag.
2899 */
2900 irqreturn_t
2901 qlafx00_intr_handler(int irq, void *dev_id)
2902 {
2903 scsi_qla_host_t *vha;
2904 struct qla_hw_data *ha;
2905 struct device_reg_fx00 __iomem *reg;
2906 int status;
2907 unsigned long iter;
2908 uint32_t stat;
2909 uint32_t mb[8];
2910 struct rsp_que *rsp;
2911 unsigned long flags;
2912 uint32_t clr_intr = 0;
2913 uint32_t intr_stat = 0;
2914
2915 rsp = (struct rsp_que *) dev_id;
2916 if (!rsp) {
2917 ql_log(ql_log_info, NULL, 0x507d,
2918 "%s: NULL response queue pointer.\n", __func__);
2919 return IRQ_NONE;
2920 }
2921
2922 ha = rsp->hw;
2923 reg = &ha->iobase->ispfx00;
2924 status = 0;
2925
2926 if (unlikely(pci_channel_offline(ha->pdev)))
2927 return IRQ_HANDLED;
2928
2929 spin_lock_irqsave(&ha->hardware_lock, flags);
2930 vha = pci_get_drvdata(ha->pdev);
2931 for (iter = 50; iter--; clr_intr = 0) {
2932 stat = QLAFX00_RD_INTR_REG(ha);
2933 if (qla2x00_check_reg32_for_disconnect(vha, stat))
2934 break;
2935 intr_stat = stat & QLAFX00_HST_INT_STS_BITS;
2936 if (!intr_stat)
2937 break;
2938
2939 if (stat & QLAFX00_INTR_MB_CMPLT) {
2940 mb[0] = RD_REG_WORD(&reg->mailbox16);
2941 qlafx00_mbx_completion(vha, mb[0]);
2942 status |= MBX_INTERRUPT;
2943 clr_intr |= QLAFX00_INTR_MB_CMPLT;
2944 }
2945 if (intr_stat & QLAFX00_INTR_ASYNC_CMPLT) {
2946 ha->aenmb[0] = RD_REG_WORD(&reg->aenmailbox0);
2947 qlafx00_async_event(vha);
2948 clr_intr |= QLAFX00_INTR_ASYNC_CMPLT;
2949 }
2950 if (intr_stat & QLAFX00_INTR_RSP_CMPLT) {
2951 qlafx00_process_response_queue(vha, rsp);
2952 clr_intr |= QLAFX00_INTR_RSP_CMPLT;
2953 }
2954
2955 QLAFX00_CLR_INTR_REG(ha, clr_intr);
2956 QLAFX00_RD_INTR_REG(ha);
2957 }
2958
2959 qla2x00_handle_mbx_completion(ha, status);
2960 spin_unlock_irqrestore(&ha->hardware_lock, flags);
2961
2962 return IRQ_HANDLED;
2963 }
2964
2965 /** QLAFX00 specific IOCB implementation functions */
2966
2967 static inline cont_a64_entry_t *
2968 qlafx00_prep_cont_type1_iocb(struct req_que *req,
2969 cont_a64_entry_t *lcont_pkt)
2970 {
2971 cont_a64_entry_t *cont_pkt;
2972
2973 /* Adjust ring index. */
2974 req->ring_index++;
2975 if (req->ring_index == req->length) {
2976 req->ring_index = 0;
2977 req->ring_ptr = req->ring;
2978 } else {
2979 req->ring_ptr++;
2980 }
2981
2982 cont_pkt = (cont_a64_entry_t *)req->ring_ptr;
2983
2984 /* Load packet defaults. */
2985 lcont_pkt->entry_type = CONTINUE_A64_TYPE_FX00;
2986
2987 return cont_pkt;
2988 }
2989
2990 static inline void
2991 qlafx00_build_scsi_iocbs(srb_t *sp, struct cmd_type_7_fx00 *cmd_pkt,
2992 uint16_t tot_dsds, struct cmd_type_7_fx00 *lcmd_pkt)
2993 {
2994 uint16_t avail_dsds;
2995 __le32 *cur_dsd;
2996 scsi_qla_host_t *vha;
2997 struct scsi_cmnd *cmd;
2998 struct scatterlist *sg;
2999 int i, cont;
3000 struct req_que *req;
3001 cont_a64_entry_t lcont_pkt;
3002 cont_a64_entry_t *cont_pkt;
3003
3004 vha = sp->vha;
3005 req = vha->req;
3006
3007 cmd = GET_CMD_SP(sp);
3008 cont = 0;
3009 cont_pkt = NULL;
3010
3011 /* Update entry type to indicate Command Type 3 IOCB */
3012 lcmd_pkt->entry_type = FX00_COMMAND_TYPE_7;
3013
3014 /* No data transfer */
3015 if (!scsi_bufflen(cmd) || cmd->sc_data_direction == DMA_NONE) {
3016 lcmd_pkt->byte_count = cpu_to_le32(0);
3017 return;
3018 }
3019
3020 /* Set transfer direction */
3021 if (cmd->sc_data_direction == DMA_TO_DEVICE) {
3022 lcmd_pkt->cntrl_flags = TMF_WRITE_DATA;
3023 vha->qla_stats.output_bytes += scsi_bufflen(cmd);
3024 } else if (cmd->sc_data_direction == DMA_FROM_DEVICE) {
3025 lcmd_pkt->cntrl_flags = TMF_READ_DATA;
3026 vha->qla_stats.input_bytes += scsi_bufflen(cmd);
3027 }
3028
3029 /* One DSD is available in the Command Type 3 IOCB */
3030 avail_dsds = 1;
3031 cur_dsd = (__le32 *)&lcmd_pkt->dseg_0_address;
3032
3033 /* Load data segments */
3034 scsi_for_each_sg(cmd, sg, tot_dsds, i) {
3035 dma_addr_t sle_dma;
3036
3037 /* Allocate additional continuation packets? */
3038 if (avail_dsds == 0) {
3039 /*
3040 * Five DSDs are available in the Continuation
3041 * Type 1 IOCB.
3042 */
3043 memset(&lcont_pkt, 0, REQUEST_ENTRY_SIZE);
3044 cont_pkt =
3045 qlafx00_prep_cont_type1_iocb(req, &lcont_pkt);
3046 cur_dsd = (__le32 *)lcont_pkt.dseg_0_address;
3047 avail_dsds = 5;
3048 cont = 1;
3049 }
3050
3051 sle_dma = sg_dma_address(sg);
3052 *cur_dsd++ = cpu_to_le32(LSD(sle_dma));
3053 *cur_dsd++ = cpu_to_le32(MSD(sle_dma));
3054 *cur_dsd++ = cpu_to_le32(sg_dma_len(sg));
3055 avail_dsds--;
3056 if (avail_dsds == 0 && cont == 1) {
3057 cont = 0;
3058 memcpy_toio((void __iomem *)cont_pkt, &lcont_pkt,
3059 REQUEST_ENTRY_SIZE);
3060 }
3061
3062 }
3063 if (avail_dsds != 0 && cont == 1) {
3064 memcpy_toio((void __iomem *)cont_pkt, &lcont_pkt,
3065 REQUEST_ENTRY_SIZE);
3066 }
3067 }
3068
3069 /**
3070 * qlafx00_start_scsi() - Send a SCSI command to the ISP
3071 * @sp: command to send to the ISP
3072 *
3073 * Returns non-zero if a failure occurred, else zero.
3074 */
3075 int
3076 qlafx00_start_scsi(srb_t *sp)
3077 {
3078 int nseg;
3079 unsigned long flags;
3080 uint32_t index;
3081 uint32_t handle;
3082 uint16_t cnt;
3083 uint16_t req_cnt;
3084 uint16_t tot_dsds;
3085 struct req_que *req = NULL;
3086 struct rsp_que *rsp = NULL;
3087 struct scsi_cmnd *cmd = GET_CMD_SP(sp);
3088 struct scsi_qla_host *vha = sp->vha;
3089 struct qla_hw_data *ha = vha->hw;
3090 struct cmd_type_7_fx00 *cmd_pkt;
3091 struct cmd_type_7_fx00 lcmd_pkt;
3092 struct scsi_lun llun;
3093
3094 /* Setup device pointers. */
3095 rsp = ha->rsp_q_map[0];
3096 req = vha->req;
3097
3098 /* So we know we haven't pci_map'ed anything yet */
3099 tot_dsds = 0;
3100
3101 /* Acquire ring specific lock */
3102 spin_lock_irqsave(&ha->hardware_lock, flags);
3103
3104 /* Check for room in outstanding command list. */
3105 handle = req->current_outstanding_cmd;
3106 for (index = 1; index < req->num_outstanding_cmds; index++) {
3107 handle++;
3108 if (handle == req->num_outstanding_cmds)
3109 handle = 1;
3110 if (!req->outstanding_cmds[handle])
3111 break;
3112 }
3113 if (index == req->num_outstanding_cmds)
3114 goto queuing_error;
3115
3116 /* Map the sg table so we have an accurate count of sg entries needed */
3117 if (scsi_sg_count(cmd)) {
3118 nseg = dma_map_sg(&ha->pdev->dev, scsi_sglist(cmd),
3119 scsi_sg_count(cmd), cmd->sc_data_direction);
3120 if (unlikely(!nseg))
3121 goto queuing_error;
3122 } else
3123 nseg = 0;
3124
3125 tot_dsds = nseg;
3126 req_cnt = qla24xx_calc_iocbs(vha, tot_dsds);
3127 if (req->cnt < (req_cnt + 2)) {
3128 cnt = RD_REG_DWORD_RELAXED(req->req_q_out);
3129
3130 if (req->ring_index < cnt)
3131 req->cnt = cnt - req->ring_index;
3132 else
3133 req->cnt = req->length -
3134 (req->ring_index - cnt);
3135 if (req->cnt < (req_cnt + 2))
3136 goto queuing_error;
3137 }
3138
3139 /* Build command packet. */
3140 req->current_outstanding_cmd = handle;
3141 req->outstanding_cmds[handle] = sp;
3142 sp->handle = handle;
3143 cmd->host_scribble = (unsigned char *)(unsigned long)handle;
3144 req->cnt -= req_cnt;
3145
3146 cmd_pkt = (struct cmd_type_7_fx00 *)req->ring_ptr;
3147
3148 memset(&lcmd_pkt, 0, REQUEST_ENTRY_SIZE);
3149
3150 lcmd_pkt.handle = MAKE_HANDLE(req->id, sp->handle);
3151 lcmd_pkt.reserved_0 = 0;
3152 lcmd_pkt.port_path_ctrl = 0;
3153 lcmd_pkt.reserved_1 = 0;
3154 lcmd_pkt.dseg_count = cpu_to_le16(tot_dsds);
3155 lcmd_pkt.tgt_idx = cpu_to_le16(sp->fcport->tgt_id);
3156
3157 int_to_scsilun(cmd->device->lun, &llun);
3158 host_to_adap((uint8_t *)&llun, (uint8_t *)&lcmd_pkt.lun,
3159 sizeof(lcmd_pkt.lun));
3160
3161 /* Load SCSI command packet. */
3162 host_to_adap(cmd->cmnd, lcmd_pkt.fcp_cdb, sizeof(lcmd_pkt.fcp_cdb));
3163 lcmd_pkt.byte_count = cpu_to_le32((uint32_t)scsi_bufflen(cmd));
3164
3165 /* Build IOCB segments */
3166 qlafx00_build_scsi_iocbs(sp, cmd_pkt, tot_dsds, &lcmd_pkt);
3167
3168 /* Set total data segment count. */
3169 lcmd_pkt.entry_count = (uint8_t)req_cnt;
3170
3171 /* Specify response queue number where completion should happen */
3172 lcmd_pkt.entry_status = (uint8_t) rsp->id;
3173
3174 ql_dump_buffer(ql_dbg_io + ql_dbg_buffer, vha, 0x302e,
3175 (uint8_t *)cmd->cmnd, cmd->cmd_len);
3176 ql_dump_buffer(ql_dbg_io + ql_dbg_buffer, vha, 0x3032,
3177 (uint8_t *)&lcmd_pkt, REQUEST_ENTRY_SIZE);
3178
3179 memcpy_toio((void __iomem *)cmd_pkt, &lcmd_pkt, REQUEST_ENTRY_SIZE);
3180 wmb();
3181
3182 /* Adjust ring index. */
3183 req->ring_index++;
3184 if (req->ring_index == req->length) {
3185 req->ring_index = 0;
3186 req->ring_ptr = req->ring;
3187 } else
3188 req->ring_ptr++;
3189
3190 sp->flags |= SRB_DMA_VALID;
3191
3192 /* Set chip new ring index. */
3193 WRT_REG_DWORD(req->req_q_in, req->ring_index);
3194 QLAFX00_SET_HST_INTR(ha, ha->rqstq_intr_code);
3195
3196 spin_unlock_irqrestore(&ha->hardware_lock, flags);
3197 return QLA_SUCCESS;
3198
3199 queuing_error:
3200 if (tot_dsds)
3201 scsi_dma_unmap(cmd);
3202
3203 spin_unlock_irqrestore(&ha->hardware_lock, flags);
3204
3205 return QLA_FUNCTION_FAILED;
3206 }
3207
3208 void
3209 qlafx00_tm_iocb(srb_t *sp, struct tsk_mgmt_entry_fx00 *ptm_iocb)
3210 {
3211 struct srb_iocb *fxio = &sp->u.iocb_cmd;
3212 scsi_qla_host_t *vha = sp->vha;
3213 struct req_que *req = vha->req;
3214 struct tsk_mgmt_entry_fx00 tm_iocb;
3215 struct scsi_lun llun;
3216
3217 memset(&tm_iocb, 0, sizeof(struct tsk_mgmt_entry_fx00));
3218 tm_iocb.entry_type = TSK_MGMT_IOCB_TYPE_FX00;
3219 tm_iocb.entry_count = 1;
3220 tm_iocb.handle = cpu_to_le32(MAKE_HANDLE(req->id, sp->handle));
3221 tm_iocb.reserved_0 = 0;
3222 tm_iocb.tgt_id = cpu_to_le16(sp->fcport->tgt_id);
3223 tm_iocb.control_flags = cpu_to_le32(fxio->u.tmf.flags);
3224 if (tm_iocb.control_flags == cpu_to_le32((uint32_t)TCF_LUN_RESET)) {
3225 int_to_scsilun(fxio->u.tmf.lun, &llun);
3226 host_to_adap((uint8_t *)&llun, (uint8_t *)&tm_iocb.lun,
3227 sizeof(struct scsi_lun));
3228 }
3229
3230 memcpy((void *)ptm_iocb, &tm_iocb,
3231 sizeof(struct tsk_mgmt_entry_fx00));
3232 wmb();
3233 }
3234
3235 void
3236 qlafx00_abort_iocb(srb_t *sp, struct abort_iocb_entry_fx00 *pabt_iocb)
3237 {
3238 struct srb_iocb *fxio = &sp->u.iocb_cmd;
3239 scsi_qla_host_t *vha = sp->vha;
3240 struct req_que *req = vha->req;
3241 struct abort_iocb_entry_fx00 abt_iocb;
3242
3243 memset(&abt_iocb, 0, sizeof(struct abort_iocb_entry_fx00));
3244 abt_iocb.entry_type = ABORT_IOCB_TYPE_FX00;
3245 abt_iocb.entry_count = 1;
3246 abt_iocb.handle = cpu_to_le32(MAKE_HANDLE(req->id, sp->handle));
3247 abt_iocb.abort_handle =
3248 cpu_to_le32(MAKE_HANDLE(req->id, fxio->u.abt.cmd_hndl));
3249 abt_iocb.tgt_id_sts = cpu_to_le16(sp->fcport->tgt_id);
3250 abt_iocb.req_que_no = cpu_to_le16(req->id);
3251
3252 memcpy((void *)pabt_iocb, &abt_iocb,
3253 sizeof(struct abort_iocb_entry_fx00));
3254 wmb();
3255 }
3256
3257 void
3258 qlafx00_fxdisc_iocb(srb_t *sp, struct fxdisc_entry_fx00 *pfxiocb)
3259 {
3260 struct srb_iocb *fxio = &sp->u.iocb_cmd;
3261 struct qla_mt_iocb_rqst_fx00 *piocb_rqst;
3262 struct bsg_job *bsg_job;
3263 struct fc_bsg_request *bsg_request;
3264 struct fxdisc_entry_fx00 fx_iocb;
3265 uint8_t entry_cnt = 1;
3266
3267 memset(&fx_iocb, 0, sizeof(struct fxdisc_entry_fx00));
3268 fx_iocb.entry_type = FX00_IOCB_TYPE;
3269 fx_iocb.handle = cpu_to_le32(sp->handle);
3270 fx_iocb.entry_count = entry_cnt;
3271
3272 if (sp->type == SRB_FXIOCB_DCMD) {
3273 fx_iocb.func_num =
3274 sp->u.iocb_cmd.u.fxiocb.req_func_type;
3275 fx_iocb.adapid = fxio->u.fxiocb.adapter_id;
3276 fx_iocb.adapid_hi = fxio->u.fxiocb.adapter_id_hi;
3277 fx_iocb.reserved_0 = fxio->u.fxiocb.reserved_0;
3278 fx_iocb.reserved_1 = fxio->u.fxiocb.reserved_1;
3279 fx_iocb.dataword_extra = fxio->u.fxiocb.req_data_extra;
3280
3281 if (fxio->u.fxiocb.flags & SRB_FXDISC_REQ_DMA_VALID) {
3282 fx_iocb.req_dsdcnt = cpu_to_le16(1);
3283 fx_iocb.req_xfrcnt =
3284 cpu_to_le16(fxio->u.fxiocb.req_len);
3285 fx_iocb.dseg_rq_address[0] =
3286 cpu_to_le32(LSD(fxio->u.fxiocb.req_dma_handle));
3287 fx_iocb.dseg_rq_address[1] =
3288 cpu_to_le32(MSD(fxio->u.fxiocb.req_dma_handle));
3289 fx_iocb.dseg_rq_len =
3290 cpu_to_le32(fxio->u.fxiocb.req_len);
3291 }
3292
3293 if (fxio->u.fxiocb.flags & SRB_FXDISC_RESP_DMA_VALID) {
3294 fx_iocb.rsp_dsdcnt = cpu_to_le16(1);
3295 fx_iocb.rsp_xfrcnt =
3296 cpu_to_le16(fxio->u.fxiocb.rsp_len);
3297 fx_iocb.dseg_rsp_address[0] =
3298 cpu_to_le32(LSD(fxio->u.fxiocb.rsp_dma_handle));
3299 fx_iocb.dseg_rsp_address[1] =
3300 cpu_to_le32(MSD(fxio->u.fxiocb.rsp_dma_handle));
3301 fx_iocb.dseg_rsp_len =
3302 cpu_to_le32(fxio->u.fxiocb.rsp_len);
3303 }
3304
3305 if (fxio->u.fxiocb.flags & SRB_FXDISC_REQ_DWRD_VALID) {
3306 fx_iocb.dataword = fxio->u.fxiocb.req_data;
3307 }
3308 fx_iocb.flags = fxio->u.fxiocb.flags;
3309 } else {
3310 struct scatterlist *sg;
3311 bsg_job = sp->u.bsg_job;
3312 bsg_request = bsg_job->request;
3313 piocb_rqst = (struct qla_mt_iocb_rqst_fx00 *)
3314 &bsg_request->rqst_data.h_vendor.vendor_cmd[1];
3315
3316 fx_iocb.func_num = piocb_rqst->func_type;
3317 fx_iocb.adapid = piocb_rqst->adapid;
3318 fx_iocb.adapid_hi = piocb_rqst->adapid_hi;
3319 fx_iocb.reserved_0 = piocb_rqst->reserved_0;
3320 fx_iocb.reserved_1 = piocb_rqst->reserved_1;
3321 fx_iocb.dataword_extra = piocb_rqst->dataword_extra;
3322 fx_iocb.dataword = piocb_rqst->dataword;
3323 fx_iocb.req_xfrcnt = piocb_rqst->req_len;
3324 fx_iocb.rsp_xfrcnt = piocb_rqst->rsp_len;
3325
3326 if (piocb_rqst->flags & SRB_FXDISC_REQ_DMA_VALID) {
3327 int avail_dsds, tot_dsds;
3328 cont_a64_entry_t lcont_pkt;
3329 cont_a64_entry_t *cont_pkt = NULL;
3330 __le32 *cur_dsd;
3331 int index = 0, cont = 0;
3332
3333 fx_iocb.req_dsdcnt =
3334 cpu_to_le16(bsg_job->request_payload.sg_cnt);
3335 tot_dsds =
3336 bsg_job->request_payload.sg_cnt;
3337 cur_dsd = (__le32 *)&fx_iocb.dseg_rq_address[0];
3338 avail_dsds = 1;
3339 for_each_sg(bsg_job->request_payload.sg_list, sg,
3340 tot_dsds, index) {
3341 dma_addr_t sle_dma;
3342
3343 /* Allocate additional continuation packets? */
3344 if (avail_dsds == 0) {
3345 /*
3346 * Five DSDs are available in the Cont.
3347 * Type 1 IOCB.
3348 */
3349 memset(&lcont_pkt, 0,
3350 REQUEST_ENTRY_SIZE);
3351 cont_pkt =
3352 qlafx00_prep_cont_type1_iocb(
3353 sp->vha->req, &lcont_pkt);
3354 cur_dsd = (__le32 *)
3355 lcont_pkt.dseg_0_address;
3356 avail_dsds = 5;
3357 cont = 1;
3358 entry_cnt++;
3359 }
3360
3361 sle_dma = sg_dma_address(sg);
3362 *cur_dsd++ = cpu_to_le32(LSD(sle_dma));
3363 *cur_dsd++ = cpu_to_le32(MSD(sle_dma));
3364 *cur_dsd++ = cpu_to_le32(sg_dma_len(sg));
3365 avail_dsds--;
3366
3367 if (avail_dsds == 0 && cont == 1) {
3368 cont = 0;
3369 memcpy_toio(
3370 (void __iomem *)cont_pkt,
3371 &lcont_pkt, REQUEST_ENTRY_SIZE);
3372 ql_dump_buffer(
3373 ql_dbg_user + ql_dbg_verbose,
3374 sp->vha, 0x3042,
3375 (uint8_t *)&lcont_pkt,
3376 REQUEST_ENTRY_SIZE);
3377 }
3378 }
3379 if (avail_dsds != 0 && cont == 1) {
3380 memcpy_toio((void __iomem *)cont_pkt,
3381 &lcont_pkt, REQUEST_ENTRY_SIZE);
3382 ql_dump_buffer(ql_dbg_user + ql_dbg_verbose,
3383 sp->vha, 0x3043,
3384 (uint8_t *)&lcont_pkt, REQUEST_ENTRY_SIZE);
3385 }
3386 }
3387
3388 if (piocb_rqst->flags & SRB_FXDISC_RESP_DMA_VALID) {
3389 int avail_dsds, tot_dsds;
3390 cont_a64_entry_t lcont_pkt;
3391 cont_a64_entry_t *cont_pkt = NULL;
3392 __le32 *cur_dsd;
3393 int index = 0, cont = 0;
3394
3395 fx_iocb.rsp_dsdcnt =
3396 cpu_to_le16(bsg_job->reply_payload.sg_cnt);
3397 tot_dsds = bsg_job->reply_payload.sg_cnt;
3398 cur_dsd = (__le32 *)&fx_iocb.dseg_rsp_address[0];
3399 avail_dsds = 1;
3400
3401 for_each_sg(bsg_job->reply_payload.sg_list, sg,
3402 tot_dsds, index) {
3403 dma_addr_t sle_dma;
3404
3405 /* Allocate additional continuation packets? */
3406 if (avail_dsds == 0) {
3407 /*
3408 * Five DSDs are available in the Cont.
3409 * Type 1 IOCB.
3410 */
3411 memset(&lcont_pkt, 0,
3412 REQUEST_ENTRY_SIZE);
3413 cont_pkt =
3414 qlafx00_prep_cont_type1_iocb(
3415 sp->vha->req, &lcont_pkt);
3416 cur_dsd = (__le32 *)
3417 lcont_pkt.dseg_0_address;
3418 avail_dsds = 5;
3419 cont = 1;
3420 entry_cnt++;
3421 }
3422
3423 sle_dma = sg_dma_address(sg);
3424 *cur_dsd++ = cpu_to_le32(LSD(sle_dma));
3425 *cur_dsd++ = cpu_to_le32(MSD(sle_dma));
3426 *cur_dsd++ = cpu_to_le32(sg_dma_len(sg));
3427 avail_dsds--;
3428
3429 if (avail_dsds == 0 && cont == 1) {
3430 cont = 0;
3431 memcpy_toio((void __iomem *)cont_pkt,
3432 &lcont_pkt,
3433 REQUEST_ENTRY_SIZE);
3434 ql_dump_buffer(
3435 ql_dbg_user + ql_dbg_verbose,
3436 sp->vha, 0x3045,
3437 (uint8_t *)&lcont_pkt,
3438 REQUEST_ENTRY_SIZE);
3439 }
3440 }
3441 if (avail_dsds != 0 && cont == 1) {
3442 memcpy_toio((void __iomem *)cont_pkt,
3443 &lcont_pkt, REQUEST_ENTRY_SIZE);
3444 ql_dump_buffer(ql_dbg_user + ql_dbg_verbose,
3445 sp->vha, 0x3046,
3446 (uint8_t *)&lcont_pkt, REQUEST_ENTRY_SIZE);
3447 }
3448 }
3449
3450 if (piocb_rqst->flags & SRB_FXDISC_REQ_DWRD_VALID)
3451 fx_iocb.dataword = piocb_rqst->dataword;
3452 fx_iocb.flags = piocb_rqst->flags;
3453 fx_iocb.entry_count = entry_cnt;
3454 }
3455
3456 ql_dump_buffer(ql_dbg_user + ql_dbg_verbose,
3457 sp->vha, 0x3047,
3458 (uint8_t *)&fx_iocb, sizeof(struct fxdisc_entry_fx00));
3459
3460 memcpy_toio((void __iomem *)pfxiocb, &fx_iocb,
3461 sizeof(struct fxdisc_entry_fx00));
3462 wmb();
3463 }
Linux with added FPC-III support