[SCSI] qla2xxx: Add changes in initialization for ISPFX00 cards with BIOS
[firefly-linux-kernel-4.4.55.git] / drivers / scsi / qla2xxx / qla_mr.c
1 /*
2  * QLogic Fibre Channel HBA Driver
3  * Copyright (c)  2003-2013 QLogic Corporation
4  *
5  * See LICENSE.qla2xxx for copyright and licensing details.
6  */
7 #include "qla_def.h"
8 #include <linux/delay.h>
9 #include <linux/pci.h>
10 #include <linux/ratelimit.h>
11 #include <linux/vmalloc.h>
12 #include <scsi/scsi_tcq.h>
13 #include <linux/utsname.h>
14
15
16 /* QLAFX00 specific Mailbox implementation functions */
17
18 /*
19  * qlafx00_mailbox_command
20  *      Issue mailbox command and waits for completion.
21  *
22  * Input:
23  *      ha = adapter block pointer.
24  *      mcp = driver internal mbx struct pointer.
25  *
26  * Output:
27  *      mb[MAX_MAILBOX_REGISTER_COUNT] = returned mailbox data.
28  *
29  * Returns:
30  *      0 : QLA_SUCCESS = cmd performed success
31  *      1 : QLA_FUNCTION_FAILED   (error encountered)
32  *      6 : QLA_FUNCTION_TIMEOUT (timeout condition encountered)
33  *
34  * Context:
35  *      Kernel context.
36  */
37 static int
38 qlafx00_mailbox_command(scsi_qla_host_t *vha, struct mbx_cmd_32 *mcp)
39
40 {
41         int             rval;
42         unsigned long    flags = 0;
43         device_reg_t __iomem *reg;
44         uint8_t         abort_active;
45         uint8_t         io_lock_on;
46         uint16_t        command = 0;
47         uint32_t        *iptr;
48         uint32_t __iomem *optr;
49         uint32_t        cnt;
50         uint32_t        mboxes;
51         unsigned long   wait_time;
52         struct qla_hw_data *ha = vha->hw;
53         scsi_qla_host_t *base_vha = pci_get_drvdata(ha->pdev);
54
55         if (ha->pdev->error_state > pci_channel_io_frozen) {
56                 ql_log(ql_log_warn, vha, 0x115c,
57                     "error_state is greater than pci_channel_io_frozen, "
58                     "exiting.\n");
59                 return QLA_FUNCTION_TIMEOUT;
60         }
61
62         if (vha->device_flags & DFLG_DEV_FAILED) {
63                 ql_log(ql_log_warn, vha, 0x115f,
64                     "Device in failed state, exiting.\n");
65                 return QLA_FUNCTION_TIMEOUT;
66         }
67
68         reg = ha->iobase;
69         io_lock_on = base_vha->flags.init_done;
70
71         rval = QLA_SUCCESS;
72         abort_active = test_bit(ABORT_ISP_ACTIVE, &base_vha->dpc_flags);
73
74         if (ha->flags.pci_channel_io_perm_failure) {
75                 ql_log(ql_log_warn, vha, 0x1175,
76                     "Perm failure on EEH timeout MBX, exiting.\n");
77                 return QLA_FUNCTION_TIMEOUT;
78         }
79
80         if (ha->flags.isp82xx_fw_hung) {
81                 /* Setting Link-Down error */
82                 mcp->mb[0] = MBS_LINK_DOWN_ERROR;
83                 ql_log(ql_log_warn, vha, 0x1176,
84                     "FW hung = %d.\n", ha->flags.isp82xx_fw_hung);
85                 rval = QLA_FUNCTION_FAILED;
86                 goto premature_exit;
87         }
88
89         /*
90          * Wait for active mailbox commands to finish by waiting at most tov
91          * seconds. This is to serialize actual issuing of mailbox cmds during
92          * non ISP abort time.
93          */
94         if (!wait_for_completion_timeout(&ha->mbx_cmd_comp, mcp->tov * HZ)) {
95                 /* Timeout occurred. Return error. */
96                 ql_log(ql_log_warn, vha, 0x1177,
97                     "Cmd access timeout, cmd=0x%x, Exiting.\n",
98                     mcp->mb[0]);
99                 return QLA_FUNCTION_TIMEOUT;
100         }
101
102         ha->flags.mbox_busy = 1;
103         /* Save mailbox command for debug */
104         ha->mcp32 = mcp;
105
106         ql_dbg(ql_dbg_mbx, vha, 0x1178,
107             "Prepare to issue mbox cmd=0x%x.\n", mcp->mb[0]);
108
109         spin_lock_irqsave(&ha->hardware_lock, flags);
110
111         /* Load mailbox registers. */
112         optr = (uint32_t __iomem *)&reg->ispfx00.mailbox0;
113
114         iptr = mcp->mb;
115         command = mcp->mb[0];
116         mboxes = mcp->out_mb;
117
118         for (cnt = 0; cnt < ha->mbx_count; cnt++) {
119                 if (mboxes & BIT_0)
120                         WRT_REG_DWORD(optr, *iptr);
121
122                 mboxes >>= 1;
123                 optr++;
124                 iptr++;
125         }
126
127         /* Issue set host interrupt command to send cmd out. */
128         ha->flags.mbox_int = 0;
129         clear_bit(MBX_INTERRUPT, &ha->mbx_cmd_flags);
130
131         ql_dump_buffer(ql_dbg_mbx + ql_dbg_buffer, vha, 0x1172,
132             (uint8_t *)mcp->mb, 16);
133         ql_dump_buffer(ql_dbg_mbx + ql_dbg_buffer, vha, 0x1173,
134             ((uint8_t *)mcp->mb + 0x10), 16);
135         ql_dump_buffer(ql_dbg_mbx + ql_dbg_buffer, vha, 0x1174,
136             ((uint8_t *)mcp->mb + 0x20), 8);
137
138         /* Unlock mbx registers and wait for interrupt */
139         ql_dbg(ql_dbg_mbx, vha, 0x1179,
140             "Going to unlock irq & waiting for interrupts. "
141             "jiffies=%lx.\n", jiffies);
142
143         /* Wait for mbx cmd completion until timeout */
144         if ((!abort_active && io_lock_on) || IS_NOPOLLING_TYPE(ha)) {
145                 set_bit(MBX_INTR_WAIT, &ha->mbx_cmd_flags);
146
147                 QLAFX00_SET_HST_INTR(ha, ha->mbx_intr_code);
148                 spin_unlock_irqrestore(&ha->hardware_lock, flags);
149
150                 wait_for_completion_timeout(&ha->mbx_intr_comp, mcp->tov * HZ);
151         } else {
152                 ql_dbg(ql_dbg_mbx, vha, 0x112c,
153                     "Cmd=%x Polling Mode.\n", command);
154
155                 QLAFX00_SET_HST_INTR(ha, ha->mbx_intr_code);
156                 spin_unlock_irqrestore(&ha->hardware_lock, flags);
157
158                 wait_time = jiffies + mcp->tov * HZ; /* wait at most tov secs */
159                 while (!ha->flags.mbox_int) {
160                         if (time_after(jiffies, wait_time))
161                                 break;
162
163                         /* Check for pending interrupts. */
164                         qla2x00_poll(ha->rsp_q_map[0]);
165
166                         if (!ha->flags.mbox_int &&
167                             !(IS_QLA2200(ha) &&
168                             command == MBC_LOAD_RISC_RAM_EXTENDED))
169                                 usleep_range(10000, 11000);
170                 } /* while */
171                 ql_dbg(ql_dbg_mbx, vha, 0x112d,
172                     "Waited %d sec.\n",
173                     (uint)((jiffies - (wait_time - (mcp->tov * HZ)))/HZ));
174         }
175
176         /* Check whether we timed out */
177         if (ha->flags.mbox_int) {
178                 uint32_t *iptr2;
179
180                 ql_dbg(ql_dbg_mbx, vha, 0x112e,
181                     "Cmd=%x completed.\n", command);
182
183                 /* Got interrupt. Clear the flag. */
184                 ha->flags.mbox_int = 0;
185                 clear_bit(MBX_INTERRUPT, &ha->mbx_cmd_flags);
186
187                 if (ha->mailbox_out32[0] != MBS_COMMAND_COMPLETE)
188                         rval = QLA_FUNCTION_FAILED;
189
190                 /* Load return mailbox registers. */
191                 iptr2 = mcp->mb;
192                 iptr = (uint32_t *)&ha->mailbox_out32[0];
193                 mboxes = mcp->in_mb;
194                 for (cnt = 0; cnt < ha->mbx_count; cnt++) {
195                         if (mboxes & BIT_0)
196                                 *iptr2 = *iptr;
197
198                         mboxes >>= 1;
199                         iptr2++;
200                         iptr++;
201                 }
202         } else {
203
204                 rval = QLA_FUNCTION_TIMEOUT;
205         }
206
207         ha->flags.mbox_busy = 0;
208
209         /* Clean up */
210         ha->mcp32 = NULL;
211
212         if ((abort_active || !io_lock_on) && !IS_NOPOLLING_TYPE(ha)) {
213                 ql_dbg(ql_dbg_mbx, vha, 0x113a,
214                     "checking for additional resp interrupt.\n");
215
216                 /* polling mode for non isp_abort commands. */
217                 qla2x00_poll(ha->rsp_q_map[0]);
218         }
219
220         if (rval == QLA_FUNCTION_TIMEOUT &&
221             mcp->mb[0] != MBC_GEN_SYSTEM_ERROR) {
222                 if (!io_lock_on || (mcp->flags & IOCTL_CMD) ||
223                     ha->flags.eeh_busy) {
224                         /* not in dpc. schedule it for dpc to take over. */
225                         ql_dbg(ql_dbg_mbx, vha, 0x115d,
226                             "Timeout, schedule isp_abort_needed.\n");
227
228                         if (!test_bit(ISP_ABORT_NEEDED, &vha->dpc_flags) &&
229                             !test_bit(ABORT_ISP_ACTIVE, &vha->dpc_flags) &&
230                             !test_bit(ISP_ABORT_RETRY, &vha->dpc_flags)) {
231
232                                 ql_log(ql_log_info, base_vha, 0x115e,
233                                     "Mailbox cmd timeout occurred, cmd=0x%x, "
234                                     "mb[0]=0x%x, eeh_busy=0x%x. Scheduling ISP "
235                                     "abort.\n", command, mcp->mb[0],
236                                     ha->flags.eeh_busy);
237                                 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
238                                 qla2xxx_wake_dpc(vha);
239                         }
240                 } else if (!abort_active) {
241                         /* call abort directly since we are in the DPC thread */
242                         ql_dbg(ql_dbg_mbx, vha, 0x1160,
243                             "Timeout, calling abort_isp.\n");
244
245                         if (!test_bit(ISP_ABORT_NEEDED, &vha->dpc_flags) &&
246                             !test_bit(ABORT_ISP_ACTIVE, &vha->dpc_flags) &&
247                             !test_bit(ISP_ABORT_RETRY, &vha->dpc_flags)) {
248
249                                 ql_log(ql_log_info, base_vha, 0x1161,
250                                     "Mailbox cmd timeout occurred, cmd=0x%x, "
251                                     "mb[0]=0x%x. Scheduling ISP abort ",
252                                     command, mcp->mb[0]);
253
254                                 set_bit(ABORT_ISP_ACTIVE, &vha->dpc_flags);
255                                 clear_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
256                                 if (ha->isp_ops->abort_isp(vha)) {
257                                         /* Failed. retry later. */
258                                         set_bit(ISP_ABORT_NEEDED,
259                                             &vha->dpc_flags);
260                                 }
261                                 clear_bit(ABORT_ISP_ACTIVE, &vha->dpc_flags);
262                                 ql_dbg(ql_dbg_mbx, vha, 0x1162,
263                                     "Finished abort_isp.\n");
264                         }
265                 }
266         }
267
268 premature_exit:
269         /* Allow next mbx cmd to come in. */
270         complete(&ha->mbx_cmd_comp);
271
272         if (rval) {
273                 ql_log(ql_log_warn, base_vha, 0x1163,
274                     "**** Failed mbx[0]=%x, mb[1]=%x, mb[2]=%x, "
275                     "mb[3]=%x, cmd=%x ****.\n",
276                     mcp->mb[0], mcp->mb[1], mcp->mb[2], mcp->mb[3], command);
277         } else {
278                 ql_dbg(ql_dbg_mbx, base_vha, 0x1164, "Done %s.\n", __func__);
279         }
280
281         return rval;
282 }
283
284 /*
285  * qlafx00_driver_shutdown
286  *      Indicate a driver shutdown to firmware.
287  *
288  * Input:
289  *      ha = adapter block pointer.
290  *
291  * Returns:
292  *      local function return status code.
293  *
294  * Context:
295  *      Kernel context.
296  */
297 int
298 qlafx00_driver_shutdown(scsi_qla_host_t *vha, int tmo)
299 {
300         int rval;
301         struct mbx_cmd_32 mc;
302         struct mbx_cmd_32 *mcp = &mc;
303
304         ql_dbg(ql_dbg_mbx + ql_dbg_verbose, vha, 0x1166,
305             "Entered %s.\n", __func__);
306
307         mcp->mb[0] = MBC_MR_DRV_SHUTDOWN;
308         mcp->out_mb = MBX_0;
309         mcp->in_mb = MBX_0;
310         if (tmo)
311                 mcp->tov = tmo;
312         else
313                 mcp->tov = MBX_TOV_SECONDS;
314         mcp->flags = 0;
315         rval = qlafx00_mailbox_command(vha, mcp);
316
317         if (rval != QLA_SUCCESS) {
318                 ql_dbg(ql_dbg_mbx, vha, 0x1167,
319                     "Failed=%x.\n", rval);
320         } else {
321                 ql_dbg(ql_dbg_mbx + ql_dbg_verbose, vha, 0x1168,
322                     "Done %s.\n", __func__);
323         }
324
325         return rval;
326 }
327
328 /*
329  * qlafx00_get_firmware_state
330  *      Get adapter firmware state.
331  *
332  * Input:
333  *      ha = adapter block pointer.
334  *      TARGET_QUEUE_LOCK must be released.
335  *      ADAPTER_STATE_LOCK must be released.
336  *
337  * Returns:
338  *      qla7xxx local function return status code.
339  *
340  * Context:
341  *      Kernel context.
342  */
343 static int
344 qlafx00_get_firmware_state(scsi_qla_host_t *vha, uint32_t *states)
345 {
346         int rval;
347         struct mbx_cmd_32 mc;
348         struct mbx_cmd_32 *mcp = &mc;
349
350         ql_dbg(ql_dbg_mbx + ql_dbg_verbose, vha, 0x1169,
351             "Entered %s.\n", __func__);
352
353         mcp->mb[0] = MBC_GET_FIRMWARE_STATE;
354         mcp->out_mb = MBX_0;
355         mcp->in_mb = MBX_1|MBX_0;
356         mcp->tov = MBX_TOV_SECONDS;
357         mcp->flags = 0;
358         rval = qlafx00_mailbox_command(vha, mcp);
359
360         /* Return firmware states. */
361         states[0] = mcp->mb[1];
362
363         if (rval != QLA_SUCCESS) {
364                 ql_dbg(ql_dbg_mbx, vha, 0x116a,
365                     "Failed=%x mb[0]=%x.\n", rval, mcp->mb[0]);
366         } else {
367                 ql_dbg(ql_dbg_mbx + ql_dbg_verbose, vha, 0x116b,
368                     "Done %s.\n", __func__);
369         }
370         return rval;
371 }
372
373 /*
374  * qlafx00_init_firmware
375  *      Initialize adapter firmware.
376  *
377  * Input:
378  *      ha = adapter block pointer.
379  *      dptr = Initialization control block pointer.
380  *      size = size of initialization control block.
381  *      TARGET_QUEUE_LOCK must be released.
382  *      ADAPTER_STATE_LOCK must be released.
383  *
384  * Returns:
385  *      qlafx00 local function return status code.
386  *
387  * Context:
388  *      Kernel context.
389  */
390 int
391 qlafx00_init_firmware(scsi_qla_host_t *vha, uint16_t size)
392 {
393         int rval;
394         struct mbx_cmd_32 mc;
395         struct mbx_cmd_32 *mcp = &mc;
396         struct qla_hw_data *ha = vha->hw;
397
398         ql_dbg(ql_dbg_mbx + ql_dbg_verbose, vha, 0x116c,
399             "Entered %s.\n", __func__);
400
401         mcp->mb[0] = MBC_INITIALIZE_FIRMWARE;
402
403         mcp->mb[1] = 0;
404         mcp->mb[2] = MSD(ha->init_cb_dma);
405         mcp->mb[3] = LSD(ha->init_cb_dma);
406
407         mcp->out_mb = MBX_3|MBX_2|MBX_1|MBX_0;
408         mcp->in_mb = MBX_0;
409         mcp->buf_size = size;
410         mcp->flags = MBX_DMA_OUT;
411         mcp->tov = MBX_TOV_SECONDS;
412         rval = qlafx00_mailbox_command(vha, mcp);
413
414         if (rval != QLA_SUCCESS) {
415                 ql_dbg(ql_dbg_mbx, vha, 0x116d,
416                     "Failed=%x mb[0]=%x.\n", rval, mcp->mb[0]);
417         } else {
418                 ql_dbg(ql_dbg_mbx + ql_dbg_verbose, vha, 0x116e,
419                     "Done %s.\n", __func__);
420         }
421         return rval;
422 }
423
424 /*
425  * qlafx00_mbx_reg_test
426  */
427 static int
428 qlafx00_mbx_reg_test(scsi_qla_host_t *vha)
429 {
430         int rval;
431         struct mbx_cmd_32 mc;
432         struct mbx_cmd_32 *mcp = &mc;
433
434         ql_dbg(ql_dbg_mbx + ql_dbg_verbose, vha, 0x116f,
435             "Entered %s.\n", __func__);
436
437
438         mcp->mb[0] = MBC_MAILBOX_REGISTER_TEST;
439         mcp->mb[1] = 0xAAAA;
440         mcp->mb[2] = 0x5555;
441         mcp->mb[3] = 0xAA55;
442         mcp->mb[4] = 0x55AA;
443         mcp->mb[5] = 0xA5A5;
444         mcp->mb[6] = 0x5A5A;
445         mcp->mb[7] = 0x2525;
446         mcp->mb[8] = 0xBBBB;
447         mcp->mb[9] = 0x6666;
448         mcp->mb[10] = 0xBB66;
449         mcp->mb[11] = 0x66BB;
450         mcp->mb[12] = 0xB6B6;
451         mcp->mb[13] = 0x6B6B;
452         mcp->mb[14] = 0x3636;
453         mcp->mb[15] = 0xCCCC;
454
455
456         mcp->out_mb = MBX_15|MBX_14|MBX_13|MBX_12|MBX_11|MBX_10|MBX_9|MBX_8|
457                         MBX_7|MBX_6|MBX_5|MBX_4|MBX_3|MBX_2|MBX_1|MBX_0;
458         mcp->in_mb = MBX_15|MBX_14|MBX_13|MBX_12|MBX_11|MBX_10|MBX_9|MBX_8|
459                         MBX_7|MBX_6|MBX_5|MBX_4|MBX_3|MBX_2|MBX_1|MBX_0;
460         mcp->buf_size = 0;
461         mcp->flags = MBX_DMA_OUT;
462         mcp->tov = MBX_TOV_SECONDS;
463         rval = qlafx00_mailbox_command(vha, mcp);
464         if (rval == QLA_SUCCESS) {
465                 if (mcp->mb[17] != 0xAAAA || mcp->mb[18] != 0x5555 ||
466                     mcp->mb[19] != 0xAA55 || mcp->mb[20] != 0x55AA)
467                         rval = QLA_FUNCTION_FAILED;
468                 if (mcp->mb[21] != 0xA5A5 || mcp->mb[22] != 0x5A5A ||
469                     mcp->mb[23] != 0x2525 || mcp->mb[24] != 0xBBBB)
470                         rval = QLA_FUNCTION_FAILED;
471                 if (mcp->mb[25] != 0x6666 || mcp->mb[26] != 0xBB66 ||
472                     mcp->mb[27] != 0x66BB || mcp->mb[28] != 0xB6B6)
473                         rval = QLA_FUNCTION_FAILED;
474                 if (mcp->mb[29] != 0x6B6B || mcp->mb[30] != 0x3636 ||
475                     mcp->mb[31] != 0xCCCC)
476                         rval = QLA_FUNCTION_FAILED;
477         }
478
479         if (rval != QLA_SUCCESS) {
480                 ql_dbg(ql_dbg_mbx, vha, 0x1170,
481                     "Failed=%x mb[0]=%x.\n", rval, mcp->mb[0]);
482         } else {
483                 ql_dbg(ql_dbg_mbx + ql_dbg_verbose, vha, 0x1171,
484                     "Done %s.\n", __func__);
485         }
486         return rval;
487 }
488
489 /**
490  * qlafx00_pci_config() - Setup ISPFx00 PCI configuration registers.
491  * @ha: HA context
492  *
493  * Returns 0 on success.
494  */
495 int
496 qlafx00_pci_config(scsi_qla_host_t *vha)
497 {
498         uint16_t w;
499         struct qla_hw_data *ha = vha->hw;
500
501         pci_set_master(ha->pdev);
502         pci_try_set_mwi(ha->pdev);
503
504         pci_read_config_word(ha->pdev, PCI_COMMAND, &w);
505         w |= (PCI_COMMAND_PARITY | PCI_COMMAND_SERR);
506         w &= ~PCI_COMMAND_INTX_DISABLE;
507         pci_write_config_word(ha->pdev, PCI_COMMAND, w);
508
509         /* PCIe -- adjust Maximum Read Request Size (2048). */
510         if (pci_find_capability(ha->pdev, PCI_CAP_ID_EXP))
511                 pcie_set_readrq(ha->pdev, 2048);
512
513         ha->chip_revision = ha->pdev->revision;
514
515         return QLA_SUCCESS;
516 }
517
518 /**
519  * qlafx00_warm_reset() - Perform warm reset of iSA(CPUs being reset on SOC).
520  * @ha: HA context
521  *
522   */
523 static inline void
524 qlafx00_soc_cpu_reset(scsi_qla_host_t *vha)
525 {
526         unsigned long flags = 0;
527         struct qla_hw_data *ha = vha->hw;
528         int i, core;
529         uint32_t cnt;
530
531         /* Set all 4 cores in reset */
532         for (i = 0; i < 4; i++) {
533                 QLAFX00_SET_HBA_SOC_REG(ha,
534                     (SOC_SW_RST_CONTROL_REG_CORE0 + 8*i), (0xF01));
535         }
536
537         /* Set all 4 core Clock gating control */
538         for (i = 0; i < 4; i++) {
539                 QLAFX00_SET_HBA_SOC_REG(ha,
540                     (SOC_SW_RST_CONTROL_REG_CORE0 + 4 + 8*i), (0x01010101));
541         }
542
543         /* Reset all units in Fabric */
544         QLAFX00_SET_HBA_SOC_REG(ha, SOC_FABRIC_RST_CONTROL_REG, (0x11F0101));
545
546         /* Reset all interrupt control registers */
547         for (i = 0; i < 115; i++) {
548                 QLAFX00_SET_HBA_SOC_REG(ha,
549                     (SOC_INTERRUPT_SOURCE_I_CONTROL_REG + 4*i), (0x0));
550         }
551
552         /* Reset Timers control registers. per core */
553         for (core = 0; core < 4; core++)
554                 for (i = 0; i < 8; i++)
555                         QLAFX00_SET_HBA_SOC_REG(ha,
556                             (SOC_CORE_TIMER_REG + 0x100*core + 4*i), (0x0));
557
558         /* Reset per core IRQ ack register */
559         for (core = 0; core < 4; core++)
560                 QLAFX00_SET_HBA_SOC_REG(ha,
561                     (SOC_IRQ_ACK_REG + 0x100*core), (0x3FF));
562
563         /* Set Fabric control and config to defaults */
564         QLAFX00_SET_HBA_SOC_REG(ha, SOC_FABRIC_CONTROL_REG, (0x2));
565         QLAFX00_SET_HBA_SOC_REG(ha, SOC_FABRIC_CONFIG_REG, (0x3));
566
567         spin_lock_irqsave(&ha->hardware_lock, flags);
568
569         /* Kick in Fabric units */
570         QLAFX00_SET_HBA_SOC_REG(ha, SOC_FABRIC_RST_CONTROL_REG, (0x0));
571
572         /* Kick in Core0 to start boot process */
573         QLAFX00_SET_HBA_SOC_REG(ha, SOC_SW_RST_CONTROL_REG_CORE0, (0xF00));
574
575         /* Wait 10secs for soft-reset to complete. */
576         for (cnt = 10; cnt; cnt--) {
577                 msleep(1000);
578                 barrier();
579         }
580         spin_unlock_irqrestore(&ha->hardware_lock, flags);
581 }
582
583 /**
584  * qlafx00_soft_reset() - Soft Reset ISPFx00.
585  * @ha: HA context
586  *
587  * Returns 0 on success.
588  */
589 void
590 qlafx00_soft_reset(scsi_qla_host_t *vha)
591 {
592         struct qla_hw_data *ha = vha->hw;
593
594         if (unlikely(pci_channel_offline(ha->pdev) &&
595             ha->flags.pci_channel_io_perm_failure))
596                 return;
597
598         ha->isp_ops->disable_intrs(ha);
599         qlafx00_soc_cpu_reset(vha);
600         ha->isp_ops->enable_intrs(ha);
601 }
602
603 /**
604  * qlafx00_chip_diag() - Test ISPFx00 for proper operation.
605  * @ha: HA context
606  *
607  * Returns 0 on success.
608  */
609 int
610 qlafx00_chip_diag(scsi_qla_host_t *vha)
611 {
612         int rval = 0;
613         struct qla_hw_data *ha = vha->hw;
614         struct req_que *req = ha->req_q_map[0];
615
616         ha->fw_transfer_size = REQUEST_ENTRY_SIZE * req->length;
617
618         rval = qlafx00_mbx_reg_test(vha);
619         if (rval) {
620                 ql_log(ql_log_warn, vha, 0x1165,
621                     "Failed mailbox send register test\n");
622         } else {
623                 /* Flag a successful rval */
624                 rval = QLA_SUCCESS;
625         }
626         return rval;
627 }
628
629 void
630 qlafx00_config_rings(struct scsi_qla_host *vha)
631 {
632         struct qla_hw_data *ha = vha->hw;
633         struct device_reg_fx00 __iomem *reg = &ha->iobase->ispfx00;
634         struct init_cb_fx *icb;
635         struct req_que *req = ha->req_q_map[0];
636         struct rsp_que *rsp = ha->rsp_q_map[0];
637
638         /* Setup ring parameters in initialization control block. */
639         icb = (struct init_cb_fx *)ha->init_cb;
640         icb->request_q_outpointer = __constant_cpu_to_le16(0);
641         icb->response_q_inpointer = __constant_cpu_to_le16(0);
642         icb->request_q_length = cpu_to_le16(req->length);
643         icb->response_q_length = cpu_to_le16(rsp->length);
644         icb->request_q_address[0] = cpu_to_le32(LSD(req->dma));
645         icb->request_q_address[1] = cpu_to_le32(MSD(req->dma));
646         icb->response_q_address[0] = cpu_to_le32(LSD(rsp->dma));
647         icb->response_q_address[1] = cpu_to_le32(MSD(rsp->dma));
648
649         WRT_REG_DWORD(&reg->req_q_in, 0);
650         WRT_REG_DWORD(&reg->req_q_out, 0);
651
652         WRT_REG_DWORD(&reg->rsp_q_in, 0);
653         WRT_REG_DWORD(&reg->rsp_q_out, 0);
654
655         /* PCI posting */
656         RD_REG_DWORD(&reg->rsp_q_out);
657 }
658
659 char *
660 qlafx00_pci_info_str(struct scsi_qla_host *vha, char *str)
661 {
662         struct qla_hw_data *ha = vha->hw;
663         int pcie_reg;
664
665         pcie_reg = pci_find_capability(ha->pdev, PCI_CAP_ID_EXP);
666         if (pcie_reg) {
667                 strcpy(str, "PCIe iSA");
668                 return str;
669         }
670         return str;
671 }
672
673 char *
674 qlafx00_fw_version_str(struct scsi_qla_host *vha, char *str)
675 {
676         struct qla_hw_data *ha = vha->hw;
677
678         sprintf(str, "%s", ha->mr.fw_version);
679         return str;
680 }
681
682 void
683 qlafx00_enable_intrs(struct qla_hw_data *ha)
684 {
685         unsigned long flags = 0;
686
687         spin_lock_irqsave(&ha->hardware_lock, flags);
688         ha->interrupts_on = 1;
689         QLAFX00_ENABLE_ICNTRL_REG(ha);
690         spin_unlock_irqrestore(&ha->hardware_lock, flags);
691 }
692
693 void
694 qlafx00_disable_intrs(struct qla_hw_data *ha)
695 {
696         unsigned long flags = 0;
697
698         spin_lock_irqsave(&ha->hardware_lock, flags);
699         ha->interrupts_on = 0;
700         QLAFX00_DISABLE_ICNTRL_REG(ha);
701         spin_unlock_irqrestore(&ha->hardware_lock, flags);
702 }
703
704 static void
705 qlafx00_tmf_iocb_timeout(void *data)
706 {
707         srb_t *sp = (srb_t *)data;
708         struct srb_iocb *tmf = &sp->u.iocb_cmd;
709
710         tmf->u.tmf.comp_status = cpu_to_le16((uint16_t)CS_TIMEOUT);
711         complete(&tmf->u.tmf.comp);
712 }
713
714 static void
715 qlafx00_tmf_sp_done(void *data, void *ptr, int res)
716 {
717         srb_t *sp = (srb_t *)ptr;
718         struct srb_iocb *tmf = &sp->u.iocb_cmd;
719
720         complete(&tmf->u.tmf.comp);
721 }
722
723 static int
724 qlafx00_async_tm_cmd(fc_port_t *fcport, uint32_t flags,
725                      uint32_t lun, uint32_t tag)
726 {
727         scsi_qla_host_t *vha = fcport->vha;
728         struct srb_iocb *tm_iocb;
729         srb_t *sp;
730         int rval = QLA_FUNCTION_FAILED;
731
732         sp = qla2x00_get_sp(vha, fcport, GFP_KERNEL);
733         if (!sp)
734                 goto done;
735
736         tm_iocb = &sp->u.iocb_cmd;
737         sp->type = SRB_TM_CMD;
738         sp->name = "tmf";
739         qla2x00_init_timer(sp, qla2x00_get_async_timeout(vha));
740         tm_iocb->u.tmf.flags = flags;
741         tm_iocb->u.tmf.lun = lun;
742         tm_iocb->u.tmf.data = tag;
743         sp->done = qlafx00_tmf_sp_done;
744         tm_iocb->timeout = qlafx00_tmf_iocb_timeout;
745         init_completion(&tm_iocb->u.tmf.comp);
746
747         rval = qla2x00_start_sp(sp);
748         if (rval != QLA_SUCCESS)
749                 goto done_free_sp;
750
751         ql_dbg(ql_dbg_async, vha, 0x507b,
752             "Task management command issued target_id=%x\n",
753             fcport->tgt_id);
754
755         wait_for_completion(&tm_iocb->u.tmf.comp);
756
757         rval = tm_iocb->u.tmf.comp_status == CS_COMPLETE ?
758             QLA_SUCCESS : QLA_FUNCTION_FAILED;
759
760 done_free_sp:
761         sp->free(vha, sp);
762 done:
763         return rval;
764 }
765
766 int
767 qlafx00_abort_target(fc_port_t *fcport, unsigned int l, int tag)
768 {
769         return qlafx00_async_tm_cmd(fcport, TCF_TARGET_RESET, l, tag);
770 }
771
772 int
773 qlafx00_lun_reset(fc_port_t *fcport, unsigned int l, int tag)
774 {
775         return qlafx00_async_tm_cmd(fcport, TCF_LUN_RESET, l, tag);
776 }
777
778 int
779 qlafx00_loop_reset(scsi_qla_host_t *vha)
780 {
781         int ret;
782         struct fc_port *fcport;
783         struct qla_hw_data *ha = vha->hw;
784
785         if (ql2xtargetreset) {
786                 list_for_each_entry(fcport, &vha->vp_fcports, list) {
787                         if (fcport->port_type != FCT_TARGET)
788                                 continue;
789
790                         ret = ha->isp_ops->target_reset(fcport, 0, 0);
791                         if (ret != QLA_SUCCESS) {
792                                 ql_dbg(ql_dbg_taskm, vha, 0x803d,
793                                     "Bus Reset failed: Reset=%d "
794                                     "d_id=%x.\n", ret, fcport->d_id.b24);
795                         }
796                 }
797         }
798         return QLA_SUCCESS;
799 }
800
801 int
802 qlafx00_iospace_config(struct qla_hw_data *ha)
803 {
804         if (pci_request_selected_regions(ha->pdev, ha->bars,
805             QLA2XXX_DRIVER_NAME)) {
806                 ql_log_pci(ql_log_fatal, ha->pdev, 0x014e,
807                     "Failed to reserve PIO/MMIO regions (%s), aborting.\n",
808                     pci_name(ha->pdev));
809                 goto iospace_error_exit;
810         }
811
812         /* Use MMIO operations for all accesses. */
813         if (!(pci_resource_flags(ha->pdev, 0) & IORESOURCE_MEM)) {
814                 ql_log_pci(ql_log_warn, ha->pdev, 0x014f,
815                     "Invalid pci I/O region size (%s).\n",
816                     pci_name(ha->pdev));
817                 goto iospace_error_exit;
818         }
819         if (pci_resource_len(ha->pdev, 0) < BAR0_LEN_FX00) {
820                 ql_log_pci(ql_log_warn, ha->pdev, 0x0127,
821                     "Invalid PCI mem BAR0 region size (%s), aborting\n",
822                         pci_name(ha->pdev));
823                 goto iospace_error_exit;
824         }
825
826         ha->cregbase =
827             ioremap_nocache(pci_resource_start(ha->pdev, 0), BAR0_LEN_FX00);
828         if (!ha->cregbase) {
829                 ql_log_pci(ql_log_fatal, ha->pdev, 0x0128,
830                     "cannot remap MMIO (%s), aborting\n", pci_name(ha->pdev));
831                 goto iospace_error_exit;
832         }
833
834         if (!(pci_resource_flags(ha->pdev, 2) & IORESOURCE_MEM)) {
835                 ql_log_pci(ql_log_warn, ha->pdev, 0x0129,
836                     "region #2 not an MMIO resource (%s), aborting\n",
837                     pci_name(ha->pdev));
838                 goto iospace_error_exit;
839         }
840         if (pci_resource_len(ha->pdev, 2) < BAR2_LEN_FX00) {
841                 ql_log_pci(ql_log_warn, ha->pdev, 0x012a,
842                     "Invalid PCI mem BAR2 region size (%s), aborting\n",
843                         pci_name(ha->pdev));
844                 goto iospace_error_exit;
845         }
846
847         ha->iobase =
848             ioremap_nocache(pci_resource_start(ha->pdev, 2), BAR2_LEN_FX00);
849         if (!ha->iobase) {
850                 ql_log_pci(ql_log_fatal, ha->pdev, 0x012b,
851                     "cannot remap MMIO (%s), aborting\n", pci_name(ha->pdev));
852                 goto iospace_error_exit;
853         }
854
855         /* Determine queue resources */
856         ha->max_req_queues = ha->max_rsp_queues = 1;
857
858         ql_log_pci(ql_log_info, ha->pdev, 0x012c,
859             "Bars 0x%x, iobase0 0x%p, iobase2 0x%p\n",
860             ha->bars, ha->cregbase, ha->iobase);
861
862         return 0;
863
864 iospace_error_exit:
865         return -ENOMEM;
866 }
867
868 static void
869 qlafx00_save_queue_ptrs(struct scsi_qla_host *vha)
870 {
871         struct qla_hw_data *ha = vha->hw;
872         struct req_que *req = ha->req_q_map[0];
873         struct rsp_que *rsp = ha->rsp_q_map[0];
874
875         req->length_fx00 = req->length;
876         req->ring_fx00 = req->ring;
877         req->dma_fx00 = req->dma;
878
879         rsp->length_fx00 = rsp->length;
880         rsp->ring_fx00 = rsp->ring;
881         rsp->dma_fx00 = rsp->dma;
882
883         ql_dbg(ql_dbg_init, vha, 0x012d,
884             "req: %p, ring_fx00: %p, length_fx00: 0x%x,"
885             "req->dma_fx00: 0x%llx\n", req, req->ring_fx00,
886             req->length_fx00, (u64)req->dma_fx00);
887
888         ql_dbg(ql_dbg_init, vha, 0x012e,
889             "rsp: %p, ring_fx00: %p, length_fx00: 0x%x,"
890             "rsp->dma_fx00: 0x%llx\n", rsp, rsp->ring_fx00,
891             rsp->length_fx00, (u64)rsp->dma_fx00);
892 }
893
894 static int
895 qlafx00_config_queues(struct scsi_qla_host *vha)
896 {
897         struct qla_hw_data *ha = vha->hw;
898         struct req_que *req = ha->req_q_map[0];
899         struct rsp_que *rsp = ha->rsp_q_map[0];
900         dma_addr_t bar2_hdl = pci_resource_start(ha->pdev, 2);
901
902         req->length = ha->req_que_len;
903         req->ring = (void *)ha->iobase + ha->req_que_off;
904         req->dma = bar2_hdl + ha->req_que_off;
905         if ((!req->ring) || (req->length == 0)) {
906                 ql_log_pci(ql_log_info, ha->pdev, 0x012f,
907                     "Unable to allocate memory for req_ring\n");
908                 return QLA_FUNCTION_FAILED;
909         }
910
911         ql_dbg(ql_dbg_init, vha, 0x0130,
912             "req: %p req_ring pointer %p req len 0x%x "
913             "req off 0x%x\n, req->dma: 0x%llx",
914             req, req->ring, req->length,
915             ha->req_que_off, (u64)req->dma);
916
917         rsp->length = ha->rsp_que_len;
918         rsp->ring = (void *)ha->iobase + ha->rsp_que_off;
919         rsp->dma = bar2_hdl + ha->rsp_que_off;
920         if ((!rsp->ring) || (rsp->length == 0)) {
921                 ql_log_pci(ql_log_info, ha->pdev, 0x0131,
922                     "Unable to allocate memory for rsp_ring\n");
923                 return QLA_FUNCTION_FAILED;
924         }
925
926         ql_dbg(ql_dbg_init, vha, 0x0132,
927             "rsp: %p rsp_ring pointer %p rsp len 0x%x "
928             "rsp off 0x%x, rsp->dma: 0x%llx\n",
929             rsp, rsp->ring, rsp->length,
930             ha->rsp_que_off, (u64)rsp->dma);
931
932         return QLA_SUCCESS;
933 }
934
935 static int
936 qlafx00_init_fw_ready(scsi_qla_host_t *vha)
937 {
938         int rval = 0;
939         unsigned long wtime;
940         uint16_t wait_time;     /* Wait time */
941         struct qla_hw_data *ha = vha->hw;
942         struct device_reg_fx00 __iomem *reg = &ha->iobase->ispfx00;
943         uint32_t aenmbx, aenmbx7 = 0;
944         uint32_t pseudo_aen;
945         uint32_t state[5];
946         bool done = false;
947
948         /* 30 seconds wait - Adjust if required */
949         wait_time = 30;
950
951         pseudo_aen = RD_REG_DWORD(&reg->pseudoaen);
952         if (pseudo_aen == 1) {
953                 aenmbx7 = RD_REG_DWORD(&reg->initval7);
954                 ha->mbx_intr_code = MSW(aenmbx7);
955                 ha->rqstq_intr_code = LSW(aenmbx7);
956                 rval = qlafx00_driver_shutdown(vha, 10);
957                 if (rval != QLA_SUCCESS)
958                         qlafx00_soft_reset(vha);
959         }
960
961         /* wait time before firmware ready */
962         wtime = jiffies + (wait_time * HZ);
963         do {
964                 aenmbx = RD_REG_DWORD(&reg->aenmailbox0);
965                 barrier();
966                 ql_dbg(ql_dbg_mbx, vha, 0x0133,
967                     "aenmbx: 0x%x\n", aenmbx);
968
969                 switch (aenmbx) {
970                 case MBA_FW_NOT_STARTED:
971                 case MBA_FW_STARTING:
972                         break;
973
974                 case MBA_SYSTEM_ERR:
975                 case MBA_REQ_TRANSFER_ERR:
976                 case MBA_RSP_TRANSFER_ERR:
977                 case MBA_FW_INIT_FAILURE:
978                         qlafx00_soft_reset(vha);
979                         break;
980
981                 case MBA_FW_RESTART_CMPLT:
982                         /* Set the mbx and rqstq intr code */
983                         aenmbx7 = RD_REG_DWORD(&reg->aenmailbox7);
984                         ha->mbx_intr_code = MSW(aenmbx7);
985                         ha->rqstq_intr_code = LSW(aenmbx7);
986                         ha->req_que_off = RD_REG_DWORD(&reg->aenmailbox1);
987                         ha->rsp_que_off = RD_REG_DWORD(&reg->aenmailbox3);
988                         ha->req_que_len = RD_REG_DWORD(&reg->aenmailbox5);
989                         ha->rsp_que_len = RD_REG_DWORD(&reg->aenmailbox6);
990                         WRT_REG_DWORD(&reg->aenmailbox0, 0);
991                         RD_REG_DWORD_RELAXED(&reg->aenmailbox0);
992                         ql_dbg(ql_dbg_init, vha, 0x0134,
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                         rval = QLA_SUCCESS;
998                         done = true;
999                         break;
1000
1001                 default:
1002                         /* If fw is apparently not ready. In order to continue,
1003                          * we might need to issue Mbox cmd, but the problem is
1004                          * that the DoorBell vector values that come with the
1005                          * 8060 AEN are most likely gone by now (and thus no
1006                          * bell would be rung on the fw side when mbox cmd is
1007                          * issued). We have to therefore grab the 8060 AEN
1008                          * shadow regs (filled in by FW when the last 8060
1009                          * AEN was being posted).
1010                          * Do the following to determine what is needed in
1011                          * order to get the FW ready:
1012                          * 1. reload the 8060 AEN values from the shadow regs
1013                          * 2. clear int status to get rid of possible pending
1014                          *    interrupts
1015                          * 3. issue Get FW State Mbox cmd to determine fw state
1016                          * Set the mbx and rqstq intr code from Shadow Regs
1017                          */
1018                         aenmbx7 = RD_REG_DWORD(&reg->initval7);
1019                         ha->mbx_intr_code = MSW(aenmbx7);
1020                         ha->rqstq_intr_code = LSW(aenmbx7);
1021                         ha->req_que_off = RD_REG_DWORD(&reg->initval1);
1022                         ha->rsp_que_off = RD_REG_DWORD(&reg->initval3);
1023                         ha->req_que_len = RD_REG_DWORD(&reg->initval5);
1024                         ha->rsp_que_len = RD_REG_DWORD(&reg->initval6);
1025                         ql_dbg(ql_dbg_init, vha, 0x0135,
1026                             "f/w returned mbx_intr_code: 0x%x, "
1027                             "rqstq_intr_code: 0x%x\n",
1028                             ha->mbx_intr_code, ha->rqstq_intr_code);
1029                         QLAFX00_CLR_INTR_REG(ha, QLAFX00_HST_INT_STS_BITS);
1030
1031                         /* Get the FW state */
1032                         rval = qlafx00_get_firmware_state(vha, state);
1033                         if (rval != QLA_SUCCESS) {
1034                                 /* Retry if timer has not expired */
1035                                 break;
1036                         }
1037
1038                         if (state[0] == FSTATE_FX00_CONFIG_WAIT) {
1039                                 /* Firmware is waiting to be
1040                                  * initialized by driver
1041                                  */
1042                                 rval = QLA_SUCCESS;
1043                                 done = true;
1044                                 break;
1045                         }
1046
1047                         /* Issue driver shutdown and wait until f/w recovers.
1048                          * Driver should continue to poll until 8060 AEN is
1049                          * received indicating firmware recovery.
1050                          */
1051                         ql_dbg(ql_dbg_init, vha, 0x0136,
1052                             "Sending Driver shutdown fw_state 0x%x\n",
1053                             state[0]);
1054
1055                         rval = qlafx00_driver_shutdown(vha, 10);
1056                         if (rval != QLA_SUCCESS) {
1057                                 rval = QLA_FUNCTION_FAILED;
1058                                 break;
1059                         }
1060                         msleep(500);
1061
1062                         wtime = jiffies + (wait_time * HZ);
1063                         break;
1064                 }
1065
1066                 if (!done) {
1067                         if (time_after_eq(jiffies, wtime)) {
1068                                 ql_dbg(ql_dbg_init, vha, 0x0137,
1069                                     "Init f/w failed: aen[7]: 0x%x\n",
1070                                     RD_REG_DWORD(&reg->aenmailbox7));
1071                                 rval = QLA_FUNCTION_FAILED;
1072                                 done = true;
1073                                 break;
1074                         }
1075                         /* Delay for a while */
1076                         msleep(500);
1077                 }
1078         } while (!done);
1079
1080         if (rval)
1081                 ql_dbg(ql_dbg_init, vha, 0x0138,
1082                     "%s **** FAILED ****.\n", __func__);
1083         else
1084                 ql_dbg(ql_dbg_init, vha, 0x0139,
1085                     "%s **** SUCCESS ****.\n", __func__);
1086
1087         return rval;
1088 }
1089
1090 /*
1091  * qlafx00_fw_ready() - Waits for firmware ready.
1092  * @ha: HA context
1093  *
1094  * Returns 0 on success.
1095  */
1096 int
1097 qlafx00_fw_ready(scsi_qla_host_t *vha)
1098 {
1099         int             rval;
1100         unsigned long   wtime;
1101         uint16_t        wait_time;      /* Wait time if loop is coming ready */
1102         uint32_t        state[5];
1103
1104         rval = QLA_SUCCESS;
1105
1106         wait_time = 10;
1107
1108         /* wait time before firmware ready */
1109         wtime = jiffies + (wait_time * HZ);
1110
1111         /* Wait for ISP to finish init */
1112         if (!vha->flags.init_done)
1113                 ql_dbg(ql_dbg_init, vha, 0x013a,
1114                     "Waiting for init to complete...\n");
1115
1116         do {
1117                 rval = qlafx00_get_firmware_state(vha, state);
1118
1119                 if (rval == QLA_SUCCESS) {
1120                         if (state[0] == FSTATE_FX00_INITIALIZED) {
1121                                 ql_dbg(ql_dbg_init, vha, 0x013b,
1122                                     "fw_state=%x\n", state[0]);
1123                                 rval = QLA_SUCCESS;
1124                                         break;
1125                         }
1126                 }
1127                 rval = QLA_FUNCTION_FAILED;
1128
1129                 if (time_after_eq(jiffies, wtime))
1130                         break;
1131
1132                 /* Delay for a while */
1133                 msleep(500);
1134
1135                 ql_dbg(ql_dbg_init, vha, 0x013c,
1136                     "fw_state=%x curr time=%lx.\n", state[0], jiffies);
1137         } while (1);
1138
1139
1140         if (rval)
1141                 ql_dbg(ql_dbg_init, vha, 0x013d,
1142                     "Firmware ready **** FAILED ****.\n");
1143         else
1144                 ql_dbg(ql_dbg_init, vha, 0x013e,
1145                     "Firmware ready **** SUCCESS ****.\n");
1146
1147         return rval;
1148 }
1149
1150 static int
1151 qlafx00_find_all_targets(scsi_qla_host_t *vha,
1152         struct list_head *new_fcports)
1153 {
1154         int             rval;
1155         uint16_t        tgt_id;
1156         fc_port_t       *fcport, *new_fcport;
1157         int             found;
1158         struct qla_hw_data *ha = vha->hw;
1159
1160         rval = QLA_SUCCESS;
1161
1162         if (!test_bit(LOOP_RESYNC_ACTIVE, &vha->dpc_flags))
1163                 return QLA_FUNCTION_FAILED;
1164
1165         if ((atomic_read(&vha->loop_down_timer) ||
1166              STATE_TRANSITION(vha))) {
1167                 atomic_set(&vha->loop_down_timer, 0);
1168                 set_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags);
1169                 return QLA_FUNCTION_FAILED;
1170         }
1171
1172         ql_dbg(ql_dbg_disc + ql_dbg_init, vha, 0x2088,
1173             "Listing Target bit map...\n");
1174         ql_dump_buffer(ql_dbg_disc + ql_dbg_init, vha,
1175             0x2089, (uint8_t *)ha->gid_list, 32);
1176
1177         /* Allocate temporary rmtport for any new rmtports discovered. */
1178         new_fcport = qla2x00_alloc_fcport(vha, GFP_KERNEL);
1179         if (new_fcport == NULL)
1180                 return QLA_MEMORY_ALLOC_FAILED;
1181
1182         for_each_set_bit(tgt_id, (void *)ha->gid_list,
1183             QLAFX00_TGT_NODE_LIST_SIZE) {
1184
1185                 /* Send get target node info */
1186                 new_fcport->tgt_id = tgt_id;
1187                 rval = qlafx00_fx_disc(vha, new_fcport,
1188                     FXDISC_GET_TGT_NODE_INFO);
1189                 if (rval != QLA_SUCCESS) {
1190                         ql_log(ql_log_warn, vha, 0x208a,
1191                             "Target info scan failed -- assuming zero-entry "
1192                             "result...\n");
1193                         continue;
1194                 }
1195
1196                 /* Locate matching device in database. */
1197                 found = 0;
1198                 list_for_each_entry(fcport, &vha->vp_fcports, list) {
1199                         if (memcmp(new_fcport->port_name,
1200                             fcport->port_name, WWN_SIZE))
1201                                 continue;
1202
1203                         found++;
1204
1205                         /*
1206                          * If tgt_id is same and state FCS_ONLINE, nothing
1207                          * changed.
1208                          */
1209                         if (fcport->tgt_id == new_fcport->tgt_id &&
1210                             atomic_read(&fcport->state) == FCS_ONLINE)
1211                                 break;
1212
1213                         /*
1214                          * Tgt ID changed or device was marked to be updated.
1215                          */
1216                         ql_dbg(ql_dbg_disc + ql_dbg_init, vha, 0x208b,
1217                             "TGT-ID Change(%s): Present tgt id: "
1218                             "0x%x state: 0x%x "
1219                             "wwnn = %llx wwpn = %llx.\n",
1220                             __func__, fcport->tgt_id,
1221                             atomic_read(&fcport->state),
1222                             (unsigned long long)wwn_to_u64(fcport->node_name),
1223                             (unsigned long long)wwn_to_u64(fcport->port_name));
1224
1225                         ql_log(ql_log_info, vha, 0x208c,
1226                             "TGT-ID Announce(%s): Discovered tgt "
1227                             "id 0x%x wwnn = %llx "
1228                             "wwpn = %llx.\n", __func__, new_fcport->tgt_id,
1229                             (unsigned long long)
1230                             wwn_to_u64(new_fcport->node_name),
1231                             (unsigned long long)
1232                             wwn_to_u64(new_fcport->port_name));
1233
1234                         if (atomic_read(&fcport->state) != FCS_ONLINE) {
1235                                 fcport->old_tgt_id = fcport->tgt_id;
1236                                 fcport->tgt_id = new_fcport->tgt_id;
1237                                 ql_log(ql_log_info, vha, 0x208d,
1238                                    "TGT-ID: New fcport Added: %p\n", fcport);
1239                                 qla2x00_update_fcport(vha, fcport);
1240                         } else {
1241                                 ql_log(ql_log_info, vha, 0x208e,
1242                                     " Existing TGT-ID %x did not get "
1243                                     " offline event from firmware.\n",
1244                                     fcport->old_tgt_id);
1245                                 qla2x00_mark_device_lost(vha, fcport, 0, 0);
1246                                 set_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags);
1247                                 kfree(new_fcport);
1248                                 return rval;
1249                         }
1250                         break;
1251                 }
1252
1253                 if (found)
1254                         continue;
1255
1256                 /* If device was not in our fcports list, then add it. */
1257                 list_add_tail(&new_fcport->list, new_fcports);
1258
1259                 /* Allocate a new replacement fcport. */
1260                 new_fcport = qla2x00_alloc_fcport(vha, GFP_KERNEL);
1261                 if (new_fcport == NULL)
1262                         return QLA_MEMORY_ALLOC_FAILED;
1263         }
1264
1265         kfree(new_fcport);
1266         return rval;
1267 }
1268
1269 /*
1270  * qlafx00_configure_all_targets
1271  *      Setup target devices with node ID's.
1272  *
1273  * Input:
1274  *      ha = adapter block pointer.
1275  *
1276  * Returns:
1277  *      0 = success.
1278  *      BIT_0 = error
1279  */
1280 static int
1281 qlafx00_configure_all_targets(scsi_qla_host_t *vha)
1282 {
1283         int rval;
1284         fc_port_t *fcport, *rmptemp;
1285         LIST_HEAD(new_fcports);
1286
1287         rval = qlafx00_fx_disc(vha, &vha->hw->mr.fcport,
1288             FXDISC_GET_TGT_NODE_LIST);
1289         if (rval != QLA_SUCCESS) {
1290                 set_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags);
1291                 return rval;
1292         }
1293
1294         rval = qlafx00_find_all_targets(vha, &new_fcports);
1295         if (rval != QLA_SUCCESS) {
1296                 set_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags);
1297                 return rval;
1298         }
1299
1300         /*
1301          * Delete all previous devices marked lost.
1302          */
1303         list_for_each_entry(fcport, &vha->vp_fcports, list) {
1304                 if (test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags))
1305                         break;
1306
1307                 if (atomic_read(&fcport->state) == FCS_DEVICE_LOST) {
1308                         if (fcport->port_type != FCT_INITIATOR)
1309                                 qla2x00_mark_device_lost(vha, fcport, 0, 0);
1310                 }
1311         }
1312
1313         /*
1314          * Add the new devices to our devices list.
1315          */
1316         list_for_each_entry_safe(fcport, rmptemp, &new_fcports, list) {
1317                 if (test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags))
1318                         break;
1319
1320                 qla2x00_update_fcport(vha, fcport);
1321                 list_move_tail(&fcport->list, &vha->vp_fcports);
1322                 ql_log(ql_log_info, vha, 0x208f,
1323                     "Attach new target id 0x%x wwnn = %llx "
1324                     "wwpn = %llx.\n",
1325                     fcport->tgt_id,
1326                     (unsigned long long)wwn_to_u64(fcport->node_name),
1327                     (unsigned long long)wwn_to_u64(fcport->port_name));
1328         }
1329
1330         /* Free all new device structures not processed. */
1331         list_for_each_entry_safe(fcport, rmptemp, &new_fcports, list) {
1332                 list_del(&fcport->list);
1333                 kfree(fcport);
1334         }
1335
1336         return rval;
1337 }
1338
1339 /*
1340  * qlafx00_configure_devices
1341  *      Updates Fibre Channel Device Database with what is actually on loop.
1342  *
1343  * Input:
1344  *      ha                = adapter block pointer.
1345  *
1346  * Returns:
1347  *      0 = success.
1348  *      1 = error.
1349  *      2 = database was full and device was not configured.
1350  */
1351 int
1352 qlafx00_configure_devices(scsi_qla_host_t *vha)
1353 {
1354         int  rval;
1355         unsigned long flags, save_flags;
1356         rval = QLA_SUCCESS;
1357
1358         save_flags = flags = vha->dpc_flags;
1359
1360         ql_dbg(ql_dbg_disc, vha, 0x2090,
1361             "Configure devices -- dpc flags =0x%lx\n", flags);
1362
1363         rval = qlafx00_configure_all_targets(vha);
1364
1365         if (rval == QLA_SUCCESS) {
1366                 if (test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags)) {
1367                         rval = QLA_FUNCTION_FAILED;
1368                 } else {
1369                         atomic_set(&vha->loop_state, LOOP_READY);
1370                         ql_log(ql_log_info, vha, 0x2091,
1371                             "Device Ready\n");
1372                 }
1373         }
1374
1375         if (rval) {
1376                 ql_dbg(ql_dbg_disc, vha, 0x2092,
1377                     "%s *** FAILED ***.\n", __func__);
1378         } else {
1379                 ql_dbg(ql_dbg_disc, vha, 0x2093,
1380                     "%s: exiting normally.\n", __func__);
1381         }
1382         return rval;
1383 }
1384
1385 static void
1386 qlafx00_abort_isp_cleanup(scsi_qla_host_t *vha, bool critemp)
1387 {
1388         struct qla_hw_data *ha = vha->hw;
1389         fc_port_t *fcport;
1390
1391         vha->flags.online = 0;
1392         ha->mr.fw_hbt_en = 0;
1393
1394         if (!critemp) {
1395                 ha->flags.chip_reset_done = 0;
1396                 clear_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
1397                 vha->qla_stats.total_isp_aborts++;
1398                 ql_log(ql_log_info, vha, 0x013f,
1399                     "Performing ISP error recovery - ha = %p.\n", ha);
1400                 ha->isp_ops->reset_chip(vha);
1401         }
1402
1403         if (atomic_read(&vha->loop_state) != LOOP_DOWN) {
1404                 atomic_set(&vha->loop_state, LOOP_DOWN);
1405                 atomic_set(&vha->loop_down_timer,
1406                     QLAFX00_LOOP_DOWN_TIME);
1407         } else {
1408                 if (!atomic_read(&vha->loop_down_timer))
1409                         atomic_set(&vha->loop_down_timer,
1410                             QLAFX00_LOOP_DOWN_TIME);
1411         }
1412
1413         /* Clear all async request states across all VPs. */
1414         list_for_each_entry(fcport, &vha->vp_fcports, list) {
1415                 fcport->flags = 0;
1416                 if (atomic_read(&fcport->state) == FCS_ONLINE)
1417                         qla2x00_set_fcport_state(fcport, FCS_DEVICE_LOST);
1418         }
1419
1420         if (!ha->flags.eeh_busy) {
1421                 if (critemp) {
1422                         qla2x00_abort_all_cmds(vha, DID_NO_CONNECT << 16);
1423                 } else {
1424                         /* Requeue all commands in outstanding command list. */
1425                         qla2x00_abort_all_cmds(vha, DID_RESET << 16);
1426                 }
1427         }
1428
1429         qla2x00_free_irqs(vha);
1430         if (critemp)
1431                 set_bit(FX00_CRITEMP_RECOVERY, &vha->dpc_flags);
1432         else
1433                 set_bit(FX00_RESET_RECOVERY, &vha->dpc_flags);
1434
1435         /* Clear the Interrupts */
1436         QLAFX00_CLR_INTR_REG(ha, QLAFX00_HST_INT_STS_BITS);
1437
1438         ql_log(ql_log_info, vha, 0x0140,
1439             "%s Done done - ha=%p.\n", __func__, ha);
1440 }
1441
1442 /**
1443  * qlafx00_init_response_q_entries() - Initializes response queue entries.
1444  * @ha: HA context
1445  *
1446  * Beginning of request ring has initialization control block already built
1447  * by nvram config routine.
1448  *
1449  * Returns 0 on success.
1450  */
1451 void
1452 qlafx00_init_response_q_entries(struct rsp_que *rsp)
1453 {
1454         uint16_t cnt;
1455         response_t *pkt;
1456
1457         rsp->ring_ptr = rsp->ring;
1458         rsp->ring_index    = 0;
1459         rsp->status_srb = NULL;
1460         pkt = rsp->ring_ptr;
1461         for (cnt = 0; cnt < rsp->length; cnt++) {
1462                 pkt->signature = RESPONSE_PROCESSED;
1463                 WRT_REG_DWORD((void __iomem *)&pkt->signature,
1464                     RESPONSE_PROCESSED);
1465                 pkt++;
1466         }
1467 }
1468
1469 int
1470 qlafx00_rescan_isp(scsi_qla_host_t *vha)
1471 {
1472         uint32_t status = QLA_FUNCTION_FAILED;
1473         struct qla_hw_data *ha = vha->hw;
1474         struct device_reg_fx00 __iomem *reg = &ha->iobase->ispfx00;
1475         uint32_t aenmbx7;
1476
1477         qla2x00_request_irqs(ha, ha->rsp_q_map[0]);
1478
1479         aenmbx7 = RD_REG_DWORD(&reg->aenmailbox7);
1480         ha->mbx_intr_code = MSW(aenmbx7);
1481         ha->rqstq_intr_code = LSW(aenmbx7);
1482         ha->req_que_off = RD_REG_DWORD(&reg->aenmailbox1);
1483         ha->rsp_que_off = RD_REG_DWORD(&reg->aenmailbox3);
1484         ha->req_que_len = RD_REG_DWORD(&reg->aenmailbox5);
1485         ha->rsp_que_len = RD_REG_DWORD(&reg->aenmailbox6);
1486
1487         ql_dbg(ql_dbg_disc, vha, 0x2094,
1488             "fw returned mbx_intr_code: 0x%x, rqstq_intr_code: 0x%x "
1489             " Req que offset 0x%x Rsp que offset 0x%x\n",
1490             ha->mbx_intr_code, ha->rqstq_intr_code,
1491             ha->req_que_off, ha->rsp_que_len);
1492
1493         /* Clear the Interrupts */
1494         QLAFX00_CLR_INTR_REG(ha, QLAFX00_HST_INT_STS_BITS);
1495
1496         status = qla2x00_init_rings(vha);
1497         if (!status) {
1498                 vha->flags.online = 1;
1499
1500                 /* if no cable then assume it's good */
1501                 if ((vha->device_flags & DFLG_NO_CABLE))
1502                         status = 0;
1503                 /* Register system information */
1504                 if (qlafx00_fx_disc(vha,
1505                     &vha->hw->mr.fcport, FXDISC_REG_HOST_INFO))
1506                         ql_dbg(ql_dbg_disc, vha, 0x2095,
1507                             "failed to register host info\n");
1508         }
1509         scsi_unblock_requests(vha->host);
1510         return status;
1511 }
1512
1513 void
1514 qlafx00_timer_routine(scsi_qla_host_t *vha)
1515 {
1516         struct qla_hw_data *ha = vha->hw;
1517         uint32_t fw_heart_beat;
1518         uint32_t aenmbx0;
1519         struct device_reg_fx00 __iomem *reg = &ha->iobase->ispfx00;
1520         uint32_t tempc;
1521
1522         /* Check firmware health */
1523         if (ha->mr.fw_hbt_cnt)
1524                 ha->mr.fw_hbt_cnt--;
1525         else {
1526                 if ((!ha->flags.mr_reset_hdlr_active) &&
1527                     (!test_bit(UNLOADING, &vha->dpc_flags)) &&
1528                     (!test_bit(ABORT_ISP_ACTIVE, &vha->dpc_flags)) &&
1529                     (ha->mr.fw_hbt_en)) {
1530                         fw_heart_beat = RD_REG_DWORD(&reg->fwheartbeat);
1531                         if (fw_heart_beat != ha->mr.old_fw_hbt_cnt) {
1532                                 ha->mr.old_fw_hbt_cnt = fw_heart_beat;
1533                                 ha->mr.fw_hbt_miss_cnt = 0;
1534                         } else {
1535                                 ha->mr.fw_hbt_miss_cnt++;
1536                                 if (ha->mr.fw_hbt_miss_cnt ==
1537                                     QLAFX00_HEARTBEAT_MISS_CNT) {
1538                                         set_bit(ISP_ABORT_NEEDED,
1539                                             &vha->dpc_flags);
1540                                         qla2xxx_wake_dpc(vha);
1541                                         ha->mr.fw_hbt_miss_cnt = 0;
1542                                 }
1543                         }
1544                 }
1545                 ha->mr.fw_hbt_cnt = QLAFX00_HEARTBEAT_INTERVAL;
1546         }
1547
1548         if (test_bit(FX00_RESET_RECOVERY, &vha->dpc_flags)) {
1549                 /* Reset recovery to be performed in timer routine */
1550                 aenmbx0 = RD_REG_DWORD(&reg->aenmailbox0);
1551                 if (ha->mr.fw_reset_timer_exp) {
1552                         set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
1553                         qla2xxx_wake_dpc(vha);
1554                         ha->mr.fw_reset_timer_exp = 0;
1555                 } else if (aenmbx0 == MBA_FW_RESTART_CMPLT) {
1556                         /* Wake up DPC to rescan the targets */
1557                         set_bit(FX00_TARGET_SCAN, &vha->dpc_flags);
1558                         clear_bit(FX00_RESET_RECOVERY, &vha->dpc_flags);
1559                         qla2xxx_wake_dpc(vha);
1560                         ha->mr.fw_reset_timer_tick = QLAFX00_RESET_INTERVAL;
1561                 } else if ((aenmbx0 == MBA_FW_STARTING) &&
1562                     (!ha->mr.fw_hbt_en)) {
1563                         ha->mr.fw_hbt_en = 1;
1564                 } else if (!ha->mr.fw_reset_timer_tick) {
1565                         if (aenmbx0 == ha->mr.old_aenmbx0_state)
1566                                 ha->mr.fw_reset_timer_exp = 1;
1567                         ha->mr.fw_reset_timer_tick = QLAFX00_RESET_INTERVAL;
1568                 } else if (aenmbx0 == 0xFFFFFFFF) {
1569                         uint32_t data0, data1;
1570
1571                         data0 = QLAFX00_RD_REG(ha,
1572                             QLAFX00_BAR1_BASE_ADDR_REG);
1573                         data1 = QLAFX00_RD_REG(ha,
1574                             QLAFX00_PEX0_WIN0_BASE_ADDR_REG);
1575
1576                         data0 &= 0xffff0000;
1577                         data1 &= 0x0000ffff;
1578
1579                         QLAFX00_WR_REG(ha,
1580                             QLAFX00_PEX0_WIN0_BASE_ADDR_REG,
1581                             (data0 | data1));
1582                 } else if ((aenmbx0 & 0xFF00) == MBA_FW_POLL_STATE) {
1583                         ha->mr.fw_reset_timer_tick =
1584                             QLAFX00_MAX_RESET_INTERVAL;
1585                 } else if (aenmbx0 == MBA_FW_RESET_FCT) {
1586                         ha->mr.fw_reset_timer_tick =
1587                             QLAFX00_MAX_RESET_INTERVAL;
1588                 }
1589                 ha->mr.old_aenmbx0_state = aenmbx0;
1590                 ha->mr.fw_reset_timer_tick--;
1591         }
1592         if (test_bit(FX00_CRITEMP_RECOVERY, &vha->dpc_flags)) {
1593                 /*
1594                  * Critical temperature recovery to be
1595                  * performed in timer routine
1596                  */
1597                 if (ha->mr.fw_critemp_timer_tick == 0) {
1598                         tempc = QLAFX00_GET_TEMPERATURE(ha);
1599                         ql_log(ql_dbg_timer, vha, 0x6012,
1600                             "ISPFx00(%s): Critical temp timer, "
1601                             "current SOC temperature: %d\n",
1602                             __func__, tempc);
1603                         if (tempc < ha->mr.critical_temperature) {
1604                                 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
1605                                 clear_bit(FX00_CRITEMP_RECOVERY,
1606                                     &vha->dpc_flags);
1607                                 qla2xxx_wake_dpc(vha);
1608                         }
1609                         ha->mr.fw_critemp_timer_tick =
1610                             QLAFX00_CRITEMP_INTERVAL;
1611                 } else {
1612                         ha->mr.fw_critemp_timer_tick--;
1613                 }
1614         }
1615 }
1616
1617 /*
1618  *  qlfx00a_reset_initialize
1619  *      Re-initialize after a iSA device reset.
1620  *
1621  * Input:
1622  *      ha  = adapter block pointer.
1623  *
1624  * Returns:
1625  *      0 = success
1626  */
1627 int
1628 qlafx00_reset_initialize(scsi_qla_host_t *vha)
1629 {
1630         struct qla_hw_data *ha = vha->hw;
1631
1632         if (vha->device_flags & DFLG_DEV_FAILED) {
1633                 ql_dbg(ql_dbg_init, vha, 0x0142,
1634                     "Device in failed state\n");
1635                 return QLA_SUCCESS;
1636         }
1637
1638         ha->flags.mr_reset_hdlr_active = 1;
1639
1640         if (vha->flags.online) {
1641                 scsi_block_requests(vha->host);
1642                 qlafx00_abort_isp_cleanup(vha, false);
1643         }
1644
1645         ql_log(ql_log_info, vha, 0x0143,
1646             "(%s): succeeded.\n", __func__);
1647         ha->flags.mr_reset_hdlr_active = 0;
1648         return QLA_SUCCESS;
1649 }
1650
1651 /*
1652  *  qlafx00_abort_isp
1653  *      Resets ISP and aborts all outstanding commands.
1654  *
1655  * Input:
1656  *      ha  = adapter block pointer.
1657  *
1658  * Returns:
1659  *      0 = success
1660  */
1661 int
1662 qlafx00_abort_isp(scsi_qla_host_t *vha)
1663 {
1664         struct qla_hw_data *ha = vha->hw;
1665
1666         if (vha->flags.online) {
1667                 if (unlikely(pci_channel_offline(ha->pdev) &&
1668                     ha->flags.pci_channel_io_perm_failure)) {
1669                         clear_bit(ISP_ABORT_RETRY, &vha->dpc_flags);
1670                         return QLA_SUCCESS;
1671                 }
1672
1673                 scsi_block_requests(vha->host);
1674                 qlafx00_abort_isp_cleanup(vha, false);
1675         } else {
1676                 scsi_block_requests(vha->host);
1677                 clear_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
1678                 vha->qla_stats.total_isp_aborts++;
1679                 ha->isp_ops->reset_chip(vha);
1680                 set_bit(FX00_RESET_RECOVERY, &vha->dpc_flags);
1681                 /* Clear the Interrupts */
1682                 QLAFX00_CLR_INTR_REG(ha, QLAFX00_HST_INT_STS_BITS);
1683         }
1684
1685         ql_log(ql_log_info, vha, 0x0145,
1686             "(%s): succeeded.\n", __func__);
1687
1688         return QLA_SUCCESS;
1689 }
1690
1691 static inline fc_port_t*
1692 qlafx00_get_fcport(struct scsi_qla_host *vha, int tgt_id)
1693 {
1694         fc_port_t       *fcport;
1695
1696         /* Check for matching device in remote port list. */
1697         fcport = NULL;
1698         list_for_each_entry(fcport, &vha->vp_fcports, list) {
1699                 if (fcport->tgt_id == tgt_id) {
1700                         ql_dbg(ql_dbg_async, vha, 0x5072,
1701                             "Matching fcport(%p) found with TGT-ID: 0x%x "
1702                             "and Remote TGT_ID: 0x%x\n",
1703                             fcport, fcport->tgt_id, tgt_id);
1704                         break;
1705                 }
1706         }
1707         return fcport;
1708 }
1709
1710 static void
1711 qlafx00_tgt_detach(struct scsi_qla_host *vha, int tgt_id)
1712 {
1713         fc_port_t       *fcport;
1714
1715         ql_log(ql_log_info, vha, 0x5073,
1716             "Detach TGT-ID: 0x%x\n", tgt_id);
1717
1718         fcport = qlafx00_get_fcport(vha, tgt_id);
1719         if (!fcport)
1720                 return;
1721
1722         qla2x00_mark_device_lost(vha, fcport, 0, 0);
1723
1724         return;
1725 }
1726
1727 int
1728 qlafx00_process_aen(struct scsi_qla_host *vha, struct qla_work_evt *evt)
1729 {
1730         int rval = 0;
1731         uint32_t aen_code, aen_data;
1732
1733         aen_code = FCH_EVT_VENDOR_UNIQUE;
1734         aen_data = evt->u.aenfx.evtcode;
1735
1736         switch (evt->u.aenfx.evtcode) {
1737         case QLAFX00_MBA_PORT_UPDATE:           /* Port database update */
1738                 if (evt->u.aenfx.mbx[1] == 0) {
1739                         if (evt->u.aenfx.mbx[2] == 1) {
1740                                 if (!vha->flags.fw_tgt_reported)
1741                                         vha->flags.fw_tgt_reported = 1;
1742                                 atomic_set(&vha->loop_down_timer, 0);
1743                                 atomic_set(&vha->loop_state, LOOP_UP);
1744                                 set_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags);
1745                                 qla2xxx_wake_dpc(vha);
1746                         } else if (evt->u.aenfx.mbx[2] == 2) {
1747                                 qlafx00_tgt_detach(vha, evt->u.aenfx.mbx[3]);
1748                         }
1749                 } else if (evt->u.aenfx.mbx[1] == 0xffff) {
1750                         if (evt->u.aenfx.mbx[2] == 1) {
1751                                 if (!vha->flags.fw_tgt_reported)
1752                                         vha->flags.fw_tgt_reported = 1;
1753                                 set_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags);
1754                         } else if (evt->u.aenfx.mbx[2] == 2) {
1755                                 vha->device_flags |= DFLG_NO_CABLE;
1756                                 qla2x00_mark_all_devices_lost(vha, 1);
1757                         }
1758                 }
1759                 break;
1760         case QLAFX00_MBA_LINK_UP:
1761                 aen_code = FCH_EVT_LINKUP;
1762                 aen_data = 0;
1763                 break;
1764         case QLAFX00_MBA_LINK_DOWN:
1765                 aen_code = FCH_EVT_LINKDOWN;
1766                 aen_data = 0;
1767                 break;
1768         case QLAFX00_MBA_TEMP_OVER:
1769         case QLAFX00_MBA_TEMP_CRIT:     /* Critical temperature event */
1770                 ql_log(ql_log_info, vha, 0x5082,
1771                     "Process critical temperature event "
1772                     "aenmb[0]: %x\n",
1773                     evt->u.aenfx.evtcode);
1774                 scsi_block_requests(vha->host);
1775                 qlafx00_abort_isp_cleanup(vha, true);
1776                 scsi_unblock_requests(vha->host);
1777                 break;
1778         }
1779
1780         fc_host_post_event(vha->host, fc_get_event_number(),
1781             aen_code, aen_data);
1782
1783         return rval;
1784 }
1785
1786 static void
1787 qlafx00_update_host_attr(scsi_qla_host_t *vha, struct port_info_data *pinfo)
1788 {
1789         u64 port_name = 0, node_name = 0;
1790
1791         port_name = (unsigned long long)wwn_to_u64(pinfo->port_name);
1792         node_name = (unsigned long long)wwn_to_u64(pinfo->node_name);
1793
1794         fc_host_node_name(vha->host) = node_name;
1795         fc_host_port_name(vha->host) = port_name;
1796         if (!pinfo->port_type)
1797                 vha->hw->current_topology = ISP_CFG_F;
1798         if (pinfo->link_status == QLAFX00_LINK_STATUS_UP)
1799                 atomic_set(&vha->loop_state, LOOP_READY);
1800         else if (pinfo->link_status == QLAFX00_LINK_STATUS_DOWN)
1801                 atomic_set(&vha->loop_state, LOOP_DOWN);
1802         vha->hw->link_data_rate = (uint16_t)pinfo->link_config;
1803 }
1804
1805 static void
1806 qla2x00_fxdisc_iocb_timeout(void *data)
1807 {
1808         srb_t *sp = (srb_t *)data;
1809         struct srb_iocb *lio = &sp->u.iocb_cmd;
1810
1811         complete(&lio->u.fxiocb.fxiocb_comp);
1812 }
1813
1814 static void
1815 qla2x00_fxdisc_sp_done(void *data, void *ptr, int res)
1816 {
1817         srb_t *sp = (srb_t *)ptr;
1818         struct srb_iocb *lio = &sp->u.iocb_cmd;
1819
1820         complete(&lio->u.fxiocb.fxiocb_comp);
1821 }
1822
1823 int
1824 qlafx00_fx_disc(scsi_qla_host_t *vha, fc_port_t *fcport, uint16_t fx_type)
1825 {
1826         srb_t *sp;
1827         struct srb_iocb *fdisc;
1828         int rval = QLA_FUNCTION_FAILED;
1829         struct qla_hw_data *ha = vha->hw;
1830         struct host_system_info *phost_info;
1831         struct register_host_info *preg_hsi;
1832         struct new_utsname *p_sysid = NULL;
1833         struct timeval tv;
1834
1835         sp = qla2x00_get_sp(vha, fcport, GFP_KERNEL);
1836         if (!sp)
1837                 goto done;
1838
1839         fdisc = &sp->u.iocb_cmd;
1840         switch (fx_type) {
1841         case FXDISC_GET_CONFIG_INFO:
1842         fdisc->u.fxiocb.flags =
1843                     SRB_FXDISC_RESP_DMA_VALID;
1844                 fdisc->u.fxiocb.rsp_len = sizeof(struct config_info_data);
1845                 break;
1846         case FXDISC_GET_PORT_INFO:
1847                 fdisc->u.fxiocb.flags =
1848                     SRB_FXDISC_RESP_DMA_VALID | SRB_FXDISC_REQ_DWRD_VALID;
1849                 fdisc->u.fxiocb.rsp_len = QLAFX00_PORT_DATA_INFO;
1850                 fdisc->u.fxiocb.req_data = cpu_to_le32(fcport->port_id);
1851                 break;
1852         case FXDISC_GET_TGT_NODE_INFO:
1853                 fdisc->u.fxiocb.flags =
1854                     SRB_FXDISC_RESP_DMA_VALID | SRB_FXDISC_REQ_DWRD_VALID;
1855                 fdisc->u.fxiocb.rsp_len = QLAFX00_TGT_NODE_INFO;
1856                 fdisc->u.fxiocb.req_data = cpu_to_le32(fcport->tgt_id);
1857                 break;
1858         case FXDISC_GET_TGT_NODE_LIST:
1859                 fdisc->u.fxiocb.flags =
1860                     SRB_FXDISC_RESP_DMA_VALID | SRB_FXDISC_REQ_DWRD_VALID;
1861                 fdisc->u.fxiocb.rsp_len = QLAFX00_TGT_NODE_LIST_SIZE;
1862                 break;
1863         case FXDISC_REG_HOST_INFO:
1864                 fdisc->u.fxiocb.flags = SRB_FXDISC_REQ_DMA_VALID;
1865                 fdisc->u.fxiocb.req_len = sizeof(struct register_host_info);
1866                 p_sysid = utsname();
1867                 if (!p_sysid) {
1868                         ql_log(ql_log_warn, vha, 0x303c,
1869                             "Not able to get the system informtion\n");
1870                         goto done_free_sp;
1871                 }
1872                 break;
1873         default:
1874                 break;
1875         }
1876
1877         if (fdisc->u.fxiocb.flags & SRB_FXDISC_REQ_DMA_VALID) {
1878                 fdisc->u.fxiocb.req_addr = dma_alloc_coherent(&ha->pdev->dev,
1879                     fdisc->u.fxiocb.req_len,
1880                     &fdisc->u.fxiocb.req_dma_handle, GFP_KERNEL);
1881                 if (!fdisc->u.fxiocb.req_addr)
1882                         goto done_free_sp;
1883
1884                 if (fx_type == FXDISC_REG_HOST_INFO) {
1885                         preg_hsi = (struct register_host_info *)
1886                                 fdisc->u.fxiocb.req_addr;
1887                         phost_info = &preg_hsi->hsi;
1888                         memset(preg_hsi, 0, sizeof(struct register_host_info));
1889                         phost_info->os_type = OS_TYPE_LINUX;
1890                         strncpy(phost_info->sysname,
1891                             p_sysid->sysname, SYSNAME_LENGTH);
1892                         strncpy(phost_info->nodename,
1893                             p_sysid->nodename, NODENAME_LENGTH);
1894                         strncpy(phost_info->release,
1895                             p_sysid->release, RELEASE_LENGTH);
1896                         strncpy(phost_info->version,
1897                             p_sysid->version, VERSION_LENGTH);
1898                         strncpy(phost_info->machine,
1899                             p_sysid->machine, MACHINE_LENGTH);
1900                         strncpy(phost_info->domainname,
1901                             p_sysid->domainname, DOMNAME_LENGTH);
1902                         strncpy(phost_info->hostdriver,
1903                             QLA2XXX_VERSION, VERSION_LENGTH);
1904                         do_gettimeofday(&tv);
1905                         preg_hsi->utc = (uint64_t)tv.tv_sec;
1906                         ql_dbg(ql_dbg_init, vha, 0x0149,
1907                             "ISP%04X: Host registration with firmware\n",
1908                             ha->pdev->device);
1909                         ql_dbg(ql_dbg_init, vha, 0x014a,
1910                             "os_type = '%d', sysname = '%s', nodname = '%s'\n",
1911                             phost_info->os_type,
1912                             phost_info->sysname,
1913                             phost_info->nodename);
1914                         ql_dbg(ql_dbg_init, vha, 0x014b,
1915                             "release = '%s', version = '%s'\n",
1916                             phost_info->release,
1917                             phost_info->version);
1918                         ql_dbg(ql_dbg_init, vha, 0x014c,
1919                             "machine = '%s' "
1920                             "domainname = '%s', hostdriver = '%s'\n",
1921                             phost_info->machine,
1922                             phost_info->domainname,
1923                             phost_info->hostdriver);
1924                         ql_dump_buffer(ql_dbg_init + ql_dbg_disc, vha, 0x014d,
1925                             (uint8_t *)phost_info,
1926                             sizeof(struct host_system_info));
1927                 }
1928         }
1929
1930         if (fdisc->u.fxiocb.flags & SRB_FXDISC_RESP_DMA_VALID) {
1931                 fdisc->u.fxiocb.rsp_addr = dma_alloc_coherent(&ha->pdev->dev,
1932                     fdisc->u.fxiocb.rsp_len,
1933                     &fdisc->u.fxiocb.rsp_dma_handle, GFP_KERNEL);
1934                 if (!fdisc->u.fxiocb.rsp_addr)
1935                         goto done_unmap_req;
1936         }
1937
1938         sp->type = SRB_FXIOCB_DCMD;
1939         sp->name = "fxdisc";
1940         qla2x00_init_timer(sp, FXDISC_TIMEOUT);
1941         fdisc->timeout = qla2x00_fxdisc_iocb_timeout;
1942         fdisc->u.fxiocb.req_func_type = cpu_to_le16(fx_type);
1943         sp->done = qla2x00_fxdisc_sp_done;
1944
1945         rval = qla2x00_start_sp(sp);
1946         if (rval != QLA_SUCCESS)
1947                 goto done_unmap_dma;
1948
1949         wait_for_completion(&fdisc->u.fxiocb.fxiocb_comp);
1950
1951         if (fx_type == FXDISC_GET_CONFIG_INFO) {
1952                 struct config_info_data *pinfo =
1953                     (struct config_info_data *) fdisc->u.fxiocb.rsp_addr;
1954                 memcpy(&vha->hw->mr.product_name, pinfo->product_name,
1955                     sizeof(vha->hw->mr.product_name));
1956                 memcpy(&vha->hw->mr.symbolic_name, pinfo->symbolic_name,
1957                     sizeof(vha->hw->mr.symbolic_name));
1958                 memcpy(&vha->hw->mr.serial_num, pinfo->serial_num,
1959                     sizeof(vha->hw->mr.serial_num));
1960                 memcpy(&vha->hw->mr.hw_version, pinfo->hw_version,
1961                     sizeof(vha->hw->mr.hw_version));
1962                 memcpy(&vha->hw->mr.fw_version, pinfo->fw_version,
1963                     sizeof(vha->hw->mr.fw_version));
1964                 strim(vha->hw->mr.fw_version);
1965                 memcpy(&vha->hw->mr.uboot_version, pinfo->uboot_version,
1966                     sizeof(vha->hw->mr.uboot_version));
1967                 memcpy(&vha->hw->mr.fru_serial_num, pinfo->fru_serial_num,
1968                     sizeof(vha->hw->mr.fru_serial_num));
1969                 vha->hw->mr.critical_temperature = pinfo->nominal_temp_value;
1970                 ha->mr.extended_io_enabled = (pinfo->enabled_capabilities &
1971                     QLAFX00_EXTENDED_IO_EN_MASK) != 0;
1972         } else if (fx_type == FXDISC_GET_PORT_INFO) {
1973                 struct port_info_data *pinfo =
1974                     (struct port_info_data *) fdisc->u.fxiocb.rsp_addr;
1975                 memcpy(vha->node_name, pinfo->node_name, WWN_SIZE);
1976                 memcpy(vha->port_name, pinfo->port_name, WWN_SIZE);
1977                 vha->d_id.b.domain = pinfo->port_id[0];
1978                 vha->d_id.b.area = pinfo->port_id[1];
1979                 vha->d_id.b.al_pa = pinfo->port_id[2];
1980                 qlafx00_update_host_attr(vha, pinfo);
1981                 ql_dump_buffer(ql_dbg_init + ql_dbg_buffer, vha, 0x0141,
1982                     (uint8_t *)pinfo, 16);
1983         } else if (fx_type == FXDISC_GET_TGT_NODE_INFO) {
1984                 struct qlafx00_tgt_node_info *pinfo =
1985                     (struct qlafx00_tgt_node_info *) fdisc->u.fxiocb.rsp_addr;
1986                 memcpy(fcport->node_name, pinfo->tgt_node_wwnn, WWN_SIZE);
1987                 memcpy(fcport->port_name, pinfo->tgt_node_wwpn, WWN_SIZE);
1988                 fcport->port_type = FCT_TARGET;
1989                 ql_dump_buffer(ql_dbg_init + ql_dbg_buffer, vha, 0x0144,
1990                     (uint8_t *)pinfo, 16);
1991         } else if (fx_type == FXDISC_GET_TGT_NODE_LIST) {
1992                 struct qlafx00_tgt_node_info *pinfo =
1993                     (struct qlafx00_tgt_node_info *) fdisc->u.fxiocb.rsp_addr;
1994                 ql_dump_buffer(ql_dbg_init + ql_dbg_buffer, vha, 0x0146,
1995                     (uint8_t *)pinfo, 16);
1996                 memcpy(vha->hw->gid_list, pinfo, QLAFX00_TGT_NODE_LIST_SIZE);
1997         }
1998         rval = le32_to_cpu(fdisc->u.fxiocb.result);
1999
2000 done_unmap_dma:
2001         if (fdisc->u.fxiocb.rsp_addr)
2002                 dma_free_coherent(&ha->pdev->dev, fdisc->u.fxiocb.rsp_len,
2003                     fdisc->u.fxiocb.rsp_addr, fdisc->u.fxiocb.rsp_dma_handle);
2004
2005 done_unmap_req:
2006         if (fdisc->u.fxiocb.req_addr)
2007                 dma_free_coherent(&ha->pdev->dev, fdisc->u.fxiocb.req_len,
2008                     fdisc->u.fxiocb.req_addr, fdisc->u.fxiocb.req_dma_handle);
2009 done_free_sp:
2010         sp->free(vha, sp);
2011 done:
2012         return rval;
2013 }
2014
2015 static void
2016 qlafx00_abort_iocb_timeout(void *data)
2017 {
2018         srb_t *sp = (srb_t *)data;
2019         struct srb_iocb *abt = &sp->u.iocb_cmd;
2020
2021         abt->u.abt.comp_status = cpu_to_le16((uint16_t)CS_TIMEOUT);
2022         complete(&abt->u.abt.comp);
2023 }
2024
2025 static void
2026 qlafx00_abort_sp_done(void *data, void *ptr, int res)
2027 {
2028         srb_t *sp = (srb_t *)ptr;
2029         struct srb_iocb *abt = &sp->u.iocb_cmd;
2030
2031         complete(&abt->u.abt.comp);
2032 }
2033
2034 static int
2035 qlafx00_async_abt_cmd(srb_t *cmd_sp)
2036 {
2037         scsi_qla_host_t *vha = cmd_sp->fcport->vha;
2038         fc_port_t *fcport = cmd_sp->fcport;
2039         struct srb_iocb *abt_iocb;
2040         srb_t *sp;
2041         int rval = QLA_FUNCTION_FAILED;
2042
2043         sp = qla2x00_get_sp(vha, fcport, GFP_KERNEL);
2044         if (!sp)
2045                 goto done;
2046
2047         abt_iocb = &sp->u.iocb_cmd;
2048         sp->type = SRB_ABT_CMD;
2049         sp->name = "abort";
2050         qla2x00_init_timer(sp, FXDISC_TIMEOUT);
2051         abt_iocb->u.abt.cmd_hndl = cmd_sp->handle;
2052         sp->done = qlafx00_abort_sp_done;
2053         abt_iocb->timeout = qlafx00_abort_iocb_timeout;
2054         init_completion(&abt_iocb->u.abt.comp);
2055
2056         rval = qla2x00_start_sp(sp);
2057         if (rval != QLA_SUCCESS)
2058                 goto done_free_sp;
2059
2060         ql_dbg(ql_dbg_async, vha, 0x507c,
2061             "Abort command issued - hdl=%x, target_id=%x\n",
2062             cmd_sp->handle, fcport->tgt_id);
2063
2064         wait_for_completion(&abt_iocb->u.abt.comp);
2065
2066         rval = abt_iocb->u.abt.comp_status == CS_COMPLETE ?
2067             QLA_SUCCESS : QLA_FUNCTION_FAILED;
2068
2069 done_free_sp:
2070         sp->free(vha, sp);
2071 done:
2072         return rval;
2073 }
2074
2075 int
2076 qlafx00_abort_command(srb_t *sp)
2077 {
2078         unsigned long   flags = 0;
2079
2080         uint32_t        handle;
2081         fc_port_t       *fcport = sp->fcport;
2082         struct scsi_qla_host *vha = fcport->vha;
2083         struct qla_hw_data *ha = vha->hw;
2084         struct req_que *req = vha->req;
2085
2086         spin_lock_irqsave(&ha->hardware_lock, flags);
2087         for (handle = 1; handle < DEFAULT_OUTSTANDING_COMMANDS; handle++) {
2088                 if (req->outstanding_cmds[handle] == sp)
2089                         break;
2090         }
2091         spin_unlock_irqrestore(&ha->hardware_lock, flags);
2092         if (handle == DEFAULT_OUTSTANDING_COMMANDS) {
2093                 /* Command not found. */
2094                 return QLA_FUNCTION_FAILED;
2095         }
2096         return qlafx00_async_abt_cmd(sp);
2097 }
2098
2099 /*
2100  * qlafx00_initialize_adapter
2101  *      Initialize board.
2102  *
2103  * Input:
2104  *      ha = adapter block pointer.
2105  *
2106  * Returns:
2107  *      0 = success
2108  */
2109 int
2110 qlafx00_initialize_adapter(scsi_qla_host_t *vha)
2111 {
2112         int     rval;
2113         struct qla_hw_data *ha = vha->hw;
2114         uint32_t tempc;
2115
2116         /* Clear adapter flags. */
2117         vha->flags.online = 0;
2118         ha->flags.chip_reset_done = 0;
2119         vha->flags.reset_active = 0;
2120         ha->flags.pci_channel_io_perm_failure = 0;
2121         ha->flags.eeh_busy = 0;
2122         atomic_set(&vha->loop_down_timer, LOOP_DOWN_TIME);
2123         atomic_set(&vha->loop_state, LOOP_DOWN);
2124         vha->device_flags = DFLG_NO_CABLE;
2125         vha->dpc_flags = 0;
2126         vha->flags.management_server_logged_in = 0;
2127         vha->marker_needed = 0;
2128         ha->isp_abort_cnt = 0;
2129         ha->beacon_blink_led = 0;
2130
2131         set_bit(0, ha->req_qid_map);
2132         set_bit(0, ha->rsp_qid_map);
2133
2134         ql_dbg(ql_dbg_init, vha, 0x0147,
2135             "Configuring PCI space...\n");
2136
2137         rval = ha->isp_ops->pci_config(vha);
2138         if (rval) {
2139                 ql_log(ql_log_warn, vha, 0x0148,
2140                     "Unable to configure PCI space.\n");
2141                 return rval;
2142         }
2143
2144         rval = qlafx00_init_fw_ready(vha);
2145         if (rval != QLA_SUCCESS)
2146                 return rval;
2147
2148         qlafx00_save_queue_ptrs(vha);
2149
2150         rval = qlafx00_config_queues(vha);
2151         if (rval != QLA_SUCCESS)
2152                 return rval;
2153
2154         /*
2155          * Allocate the array of outstanding commands
2156          * now that we know the firmware resources.
2157          */
2158         rval = qla2x00_alloc_outstanding_cmds(ha, vha->req);
2159         if (rval != QLA_SUCCESS)
2160                 return rval;
2161
2162         rval = qla2x00_init_rings(vha);
2163         ha->flags.chip_reset_done = 1;
2164
2165         tempc = QLAFX00_GET_TEMPERATURE(ha);
2166         ql_dbg(ql_dbg_init, vha, 0x0152,
2167             "ISPFx00(%s): Critical temp timer, current SOC temperature: 0x%x\n",
2168             __func__, tempc);
2169
2170         return rval;
2171 }
2172
2173 uint32_t
2174 qlafx00_fw_state_show(struct device *dev, struct device_attribute *attr,
2175                       char *buf)
2176 {
2177         scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
2178         int rval = QLA_FUNCTION_FAILED;
2179         uint32_t state[1];
2180
2181         if (qla2x00_reset_active(vha))
2182                 ql_log(ql_log_warn, vha, 0x70ce,
2183                     "ISP reset active.\n");
2184         else if (!vha->hw->flags.eeh_busy) {
2185                 rval = qlafx00_get_firmware_state(vha, state);
2186         }
2187         if (rval != QLA_SUCCESS)
2188                 memset(state, -1, sizeof(state));
2189
2190         return state[0];
2191 }
2192
2193 void
2194 qlafx00_get_host_speed(struct Scsi_Host *shost)
2195 {
2196         struct qla_hw_data *ha = ((struct scsi_qla_host *)
2197                                         (shost_priv(shost)))->hw;
2198         u32 speed = FC_PORTSPEED_UNKNOWN;
2199
2200         switch (ha->link_data_rate) {
2201         case QLAFX00_PORT_SPEED_2G:
2202                 speed = FC_PORTSPEED_2GBIT;
2203                 break;
2204         case QLAFX00_PORT_SPEED_4G:
2205                 speed = FC_PORTSPEED_4GBIT;
2206                 break;
2207         case QLAFX00_PORT_SPEED_8G:
2208                 speed = FC_PORTSPEED_8GBIT;
2209                 break;
2210         case QLAFX00_PORT_SPEED_10G:
2211                 speed = FC_PORTSPEED_10GBIT;
2212                 break;
2213         }
2214         fc_host_speed(shost) = speed;
2215 }
2216
2217 /** QLAFX00 specific ISR implementation functions */
2218
2219 static inline void
2220 qlafx00_handle_sense(srb_t *sp, uint8_t *sense_data, uint32_t par_sense_len,
2221                      uint32_t sense_len, struct rsp_que *rsp, int res)
2222 {
2223         struct scsi_qla_host *vha = sp->fcport->vha;
2224         struct scsi_cmnd *cp = GET_CMD_SP(sp);
2225         uint32_t track_sense_len;
2226
2227         SET_FW_SENSE_LEN(sp, sense_len);
2228
2229         if (sense_len >= SCSI_SENSE_BUFFERSIZE)
2230                 sense_len = SCSI_SENSE_BUFFERSIZE;
2231
2232         SET_CMD_SENSE_LEN(sp, sense_len);
2233         SET_CMD_SENSE_PTR(sp, cp->sense_buffer);
2234         track_sense_len = sense_len;
2235
2236         if (sense_len > par_sense_len)
2237                 sense_len = par_sense_len;
2238
2239         memcpy(cp->sense_buffer, sense_data, sense_len);
2240
2241         SET_FW_SENSE_LEN(sp, GET_FW_SENSE_LEN(sp) - sense_len);
2242
2243         SET_CMD_SENSE_PTR(sp, cp->sense_buffer + sense_len);
2244         track_sense_len -= sense_len;
2245         SET_CMD_SENSE_LEN(sp, track_sense_len);
2246
2247         ql_dbg(ql_dbg_io, vha, 0x304d,
2248             "sense_len=0x%x par_sense_len=0x%x track_sense_len=0x%x.\n",
2249             sense_len, par_sense_len, track_sense_len);
2250         if (GET_FW_SENSE_LEN(sp) > 0) {
2251                 rsp->status_srb = sp;
2252                 cp->result = res;
2253         }
2254
2255         if (sense_len) {
2256                 ql_dbg(ql_dbg_io + ql_dbg_buffer, vha, 0x3039,
2257                     "Check condition Sense data, nexus%ld:%d:%d cmd=%p.\n",
2258                     sp->fcport->vha->host_no, cp->device->id, cp->device->lun,
2259                     cp);
2260                 ql_dump_buffer(ql_dbg_io + ql_dbg_buffer, vha, 0x3049,
2261                     cp->sense_buffer, sense_len);
2262         }
2263 }
2264
2265 static void
2266 qlafx00_tm_iocb_entry(scsi_qla_host_t *vha, struct req_que *req,
2267                       struct tsk_mgmt_entry_fx00 *pkt, srb_t *sp,
2268                       __le16 sstatus, __le16 cpstatus)
2269 {
2270         struct srb_iocb *tmf;
2271
2272         tmf = &sp->u.iocb_cmd;
2273         if (cpstatus != cpu_to_le16((uint16_t)CS_COMPLETE) ||
2274             (sstatus & cpu_to_le16((uint16_t)SS_RESPONSE_INFO_LEN_VALID)))
2275                 cpstatus = cpu_to_le16((uint16_t)CS_INCOMPLETE);
2276         tmf->u.tmf.comp_status = cpstatus;
2277         sp->done(vha, sp, 0);
2278 }
2279
2280 static void
2281 qlafx00_abort_iocb_entry(scsi_qla_host_t *vha, struct req_que *req,
2282                          struct abort_iocb_entry_fx00 *pkt)
2283 {
2284         const char func[] = "ABT_IOCB";
2285         srb_t *sp;
2286         struct srb_iocb *abt;
2287
2288         sp = qla2x00_get_sp_from_handle(vha, func, req, pkt);
2289         if (!sp)
2290                 return;
2291
2292         abt = &sp->u.iocb_cmd;
2293         abt->u.abt.comp_status = pkt->tgt_id_sts;
2294         sp->done(vha, sp, 0);
2295 }
2296
2297 static void
2298 qlafx00_ioctl_iosb_entry(scsi_qla_host_t *vha, struct req_que *req,
2299                          struct ioctl_iocb_entry_fx00 *pkt)
2300 {
2301         const char func[] = "IOSB_IOCB";
2302         srb_t *sp;
2303         struct fc_bsg_job *bsg_job;
2304         struct srb_iocb *iocb_job;
2305         int res;
2306         struct qla_mt_iocb_rsp_fx00 fstatus;
2307         uint8_t *fw_sts_ptr;
2308
2309         sp = qla2x00_get_sp_from_handle(vha, func, req, pkt);
2310         if (!sp)
2311                 return;
2312
2313         if (sp->type == SRB_FXIOCB_DCMD) {
2314                 iocb_job = &sp->u.iocb_cmd;
2315                 iocb_job->u.fxiocb.seq_number = pkt->seq_no;
2316                 iocb_job->u.fxiocb.fw_flags = pkt->fw_iotcl_flags;
2317                 iocb_job->u.fxiocb.result = pkt->status;
2318                 if (iocb_job->u.fxiocb.flags & SRB_FXDISC_RSP_DWRD_VALID)
2319                         iocb_job->u.fxiocb.req_data =
2320                             pkt->dataword_r;
2321         } else {
2322                 bsg_job = sp->u.bsg_job;
2323
2324                 memset(&fstatus, 0, sizeof(struct qla_mt_iocb_rsp_fx00));
2325
2326                 fstatus.reserved_1 = pkt->reserved_0;
2327                 fstatus.func_type = pkt->comp_func_num;
2328                 fstatus.ioctl_flags = pkt->fw_iotcl_flags;
2329                 fstatus.ioctl_data = pkt->dataword_r;
2330                 fstatus.adapid = pkt->adapid;
2331                 fstatus.adapid_hi = pkt->adapid_hi;
2332                 fstatus.reserved_2 = pkt->reserved_1;
2333                 fstatus.res_count = pkt->residuallen;
2334                 fstatus.status = pkt->status;
2335                 fstatus.seq_number = pkt->seq_no;
2336                 memcpy(fstatus.reserved_3,
2337                     pkt->reserved_2, 20 * sizeof(uint8_t));
2338
2339                 fw_sts_ptr = ((uint8_t *)bsg_job->req->sense) +
2340                     sizeof(struct fc_bsg_reply);
2341
2342                 memcpy(fw_sts_ptr, (uint8_t *)&fstatus,
2343                     sizeof(struct qla_mt_iocb_rsp_fx00));
2344                 bsg_job->reply_len = sizeof(struct fc_bsg_reply) +
2345                         sizeof(struct qla_mt_iocb_rsp_fx00) + sizeof(uint8_t);
2346
2347                 ql_dump_buffer(ql_dbg_user + ql_dbg_verbose,
2348                     sp->fcport->vha, 0x5080,
2349                     (uint8_t *)pkt, sizeof(struct ioctl_iocb_entry_fx00));
2350
2351                 ql_dump_buffer(ql_dbg_user + ql_dbg_verbose,
2352                     sp->fcport->vha, 0x5074,
2353                     (uint8_t *)fw_sts_ptr, sizeof(struct qla_mt_iocb_rsp_fx00));
2354
2355                 res = bsg_job->reply->result = DID_OK << 16;
2356                 bsg_job->reply->reply_payload_rcv_len =
2357                     bsg_job->reply_payload.payload_len;
2358         }
2359         sp->done(vha, sp, res);
2360 }
2361
2362 /**
2363  * qlafx00_status_entry() - Process a Status IOCB entry.
2364  * @ha: SCSI driver HA context
2365  * @pkt: Entry pointer
2366  */
2367 static void
2368 qlafx00_status_entry(scsi_qla_host_t *vha, struct rsp_que *rsp, void *pkt)
2369 {
2370         srb_t           *sp;
2371         fc_port_t       *fcport;
2372         struct scsi_cmnd *cp;
2373         struct sts_entry_fx00 *sts;
2374         __le16          comp_status;
2375         __le16          scsi_status;
2376         uint16_t        ox_id;
2377         __le16          lscsi_status;
2378         int32_t         resid;
2379         uint32_t        sense_len, par_sense_len, rsp_info_len, resid_len,
2380             fw_resid_len;
2381         uint8_t         *rsp_info = NULL, *sense_data = NULL;
2382         struct qla_hw_data *ha = vha->hw;
2383         uint32_t hindex, handle;
2384         uint16_t que;
2385         struct req_que *req;
2386         int logit = 1;
2387         int res = 0;
2388
2389         sts = (struct sts_entry_fx00 *) pkt;
2390
2391         comp_status = sts->comp_status;
2392         scsi_status = sts->scsi_status & cpu_to_le16((uint16_t)SS_MASK);
2393         hindex = sts->handle;
2394         handle = LSW(hindex);
2395
2396         que = MSW(hindex);
2397         req = ha->req_q_map[que];
2398
2399         /* Validate handle. */
2400         if (handle < req->num_outstanding_cmds)
2401                 sp = req->outstanding_cmds[handle];
2402         else
2403                 sp = NULL;
2404
2405         if (sp == NULL) {
2406                 ql_dbg(ql_dbg_io, vha, 0x3034,
2407                     "Invalid status handle (0x%x).\n", handle);
2408
2409                 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
2410                 qla2xxx_wake_dpc(vha);
2411                 return;
2412         }
2413
2414         if (sp->type == SRB_TM_CMD) {
2415                 req->outstanding_cmds[handle] = NULL;
2416                 qlafx00_tm_iocb_entry(vha, req, pkt, sp,
2417                     scsi_status, comp_status);
2418                 return;
2419         }
2420
2421         /* Fast path completion. */
2422         if (comp_status == CS_COMPLETE && scsi_status == 0) {
2423                 qla2x00_do_host_ramp_up(vha);
2424                 qla2x00_process_completed_request(vha, req, handle);
2425                 return;
2426         }
2427
2428         req->outstanding_cmds[handle] = NULL;
2429         cp = GET_CMD_SP(sp);
2430         if (cp == NULL) {
2431                 ql_dbg(ql_dbg_io, vha, 0x3048,
2432                     "Command already returned (0x%x/%p).\n",
2433                     handle, sp);
2434
2435                 return;
2436         }
2437
2438         lscsi_status = scsi_status & cpu_to_le16((uint16_t)STATUS_MASK);
2439
2440         fcport = sp->fcport;
2441
2442         ox_id = 0;
2443         sense_len = par_sense_len = rsp_info_len = resid_len =
2444                 fw_resid_len = 0;
2445         if (scsi_status & cpu_to_le16((uint16_t)SS_SENSE_LEN_VALID))
2446                 sense_len = sts->sense_len;
2447         if (scsi_status & cpu_to_le16(((uint16_t)SS_RESIDUAL_UNDER
2448             | (uint16_t)SS_RESIDUAL_OVER)))
2449                 resid_len = le32_to_cpu(sts->residual_len);
2450         if (comp_status == cpu_to_le16((uint16_t)CS_DATA_UNDERRUN))
2451                 fw_resid_len = le32_to_cpu(sts->residual_len);
2452         rsp_info = sense_data = sts->data;
2453         par_sense_len = sizeof(sts->data);
2454
2455         /* Check for overrun. */
2456         if (comp_status == CS_COMPLETE &&
2457             scsi_status & cpu_to_le16((uint16_t)SS_RESIDUAL_OVER))
2458                 comp_status = cpu_to_le16((uint16_t)CS_DATA_OVERRUN);
2459
2460         /*
2461          * Based on Host and scsi status generate status code for Linux
2462          */
2463         switch (le16_to_cpu(comp_status)) {
2464         case CS_COMPLETE:
2465         case CS_QUEUE_FULL:
2466                 if (scsi_status == 0) {
2467                         res = DID_OK << 16;
2468                         break;
2469                 }
2470                 if (scsi_status & cpu_to_le16(((uint16_t)SS_RESIDUAL_UNDER
2471                     | (uint16_t)SS_RESIDUAL_OVER))) {
2472                         resid = resid_len;
2473                         scsi_set_resid(cp, resid);
2474
2475                         if (!lscsi_status &&
2476                             ((unsigned)(scsi_bufflen(cp) - resid) <
2477                              cp->underflow)) {
2478                                 ql_dbg(ql_dbg_io, fcport->vha, 0x3050,
2479                                     "Mid-layer underflow "
2480                                     "detected (0x%x of 0x%x bytes).\n",
2481                                     resid, scsi_bufflen(cp));
2482
2483                                 res = DID_ERROR << 16;
2484                                 break;
2485                         }
2486                 }
2487                 res = DID_OK << 16 | le16_to_cpu(lscsi_status);
2488
2489                 if (lscsi_status ==
2490                     cpu_to_le16((uint16_t)SAM_STAT_TASK_SET_FULL)) {
2491                         ql_dbg(ql_dbg_io, fcport->vha, 0x3051,
2492                             "QUEUE FULL detected.\n");
2493                         break;
2494                 }
2495                 logit = 0;
2496                 if (lscsi_status != cpu_to_le16((uint16_t)SS_CHECK_CONDITION))
2497                         break;
2498
2499                 memset(cp->sense_buffer, 0, SCSI_SENSE_BUFFERSIZE);
2500                 if (!(scsi_status & cpu_to_le16((uint16_t)SS_SENSE_LEN_VALID)))
2501                         break;
2502
2503                 qlafx00_handle_sense(sp, sense_data, par_sense_len, sense_len,
2504                     rsp, res);
2505                 break;
2506
2507         case CS_DATA_UNDERRUN:
2508                 /* Use F/W calculated residual length. */
2509                 if (IS_FWI2_CAPABLE(ha) || IS_QLAFX00(ha))
2510                         resid = fw_resid_len;
2511                 else
2512                         resid = resid_len;
2513                 scsi_set_resid(cp, resid);
2514                 if (scsi_status & cpu_to_le16((uint16_t)SS_RESIDUAL_UNDER)) {
2515                         if ((IS_FWI2_CAPABLE(ha) || IS_QLAFX00(ha))
2516                             && fw_resid_len != resid_len) {
2517                                 ql_dbg(ql_dbg_io, fcport->vha, 0x3052,
2518                                     "Dropped frame(s) detected "
2519                                     "(0x%x of 0x%x bytes).\n",
2520                                     resid, scsi_bufflen(cp));
2521
2522                                 res = DID_ERROR << 16 |
2523                                     le16_to_cpu(lscsi_status);
2524                                 goto check_scsi_status;
2525                         }
2526
2527                         if (!lscsi_status &&
2528                             ((unsigned)(scsi_bufflen(cp) - resid) <
2529                             cp->underflow)) {
2530                                 ql_dbg(ql_dbg_io, fcport->vha, 0x3053,
2531                                     "Mid-layer underflow "
2532                                     "detected (0x%x of 0x%x bytes, "
2533                                     "cp->underflow: 0x%x).\n",
2534                                     resid, scsi_bufflen(cp), cp->underflow);
2535
2536                                 res = DID_ERROR << 16;
2537                                 break;
2538                         }
2539                 } else if (lscsi_status !=
2540                     cpu_to_le16((uint16_t)SAM_STAT_TASK_SET_FULL) &&
2541                     lscsi_status != cpu_to_le16((uint16_t)SAM_STAT_BUSY)) {
2542                         /*
2543                          * scsi status of task set and busy are considered
2544                          * to be task not completed.
2545                          */
2546
2547                         ql_dbg(ql_dbg_io, fcport->vha, 0x3054,
2548                             "Dropped frame(s) detected (0x%x "
2549                             "of 0x%x bytes).\n", resid,
2550                             scsi_bufflen(cp));
2551
2552                         res = DID_ERROR << 16 | le16_to_cpu(lscsi_status);
2553                         goto check_scsi_status;
2554                 } else {
2555                         ql_dbg(ql_dbg_io, fcport->vha, 0x3055,
2556                             "scsi_status: 0x%x, lscsi_status: 0x%x\n",
2557                             scsi_status, lscsi_status);
2558                 }
2559
2560                 res = DID_OK << 16 | le16_to_cpu(lscsi_status);
2561                 logit = 0;
2562
2563 check_scsi_status:
2564                 /*
2565                  * Check to see if SCSI Status is non zero. If so report SCSI
2566                  * Status.
2567                  */
2568                 if (lscsi_status != 0) {
2569                         if (lscsi_status ==
2570                             cpu_to_le16((uint16_t)SAM_STAT_TASK_SET_FULL)) {
2571                                 ql_dbg(ql_dbg_io, fcport->vha, 0x3056,
2572                                     "QUEUE FULL detected.\n");
2573                                 logit = 1;
2574                                 break;
2575                         }
2576                         if (lscsi_status !=
2577                             cpu_to_le16((uint16_t)SS_CHECK_CONDITION))
2578                                 break;
2579
2580                         memset(cp->sense_buffer, 0, SCSI_SENSE_BUFFERSIZE);
2581                         if (!(scsi_status &
2582                             cpu_to_le16((uint16_t)SS_SENSE_LEN_VALID)))
2583                                 break;
2584
2585                         qlafx00_handle_sense(sp, sense_data, par_sense_len,
2586                             sense_len, rsp, res);
2587                 }
2588                 break;
2589
2590         case CS_PORT_LOGGED_OUT:
2591         case CS_PORT_CONFIG_CHG:
2592         case CS_PORT_BUSY:
2593         case CS_INCOMPLETE:
2594         case CS_PORT_UNAVAILABLE:
2595         case CS_TIMEOUT:
2596         case CS_RESET:
2597
2598                 /*
2599                  * We are going to have the fc class block the rport
2600                  * while we try to recover so instruct the mid layer
2601                  * to requeue until the class decides how to handle this.
2602                  */
2603                 res = DID_TRANSPORT_DISRUPTED << 16;
2604
2605                 ql_dbg(ql_dbg_io, fcport->vha, 0x3057,
2606                     "Port down status: port-state=0x%x.\n",
2607                     atomic_read(&fcport->state));
2608
2609                 if (atomic_read(&fcport->state) == FCS_ONLINE)
2610                         qla2x00_mark_device_lost(fcport->vha, fcport, 1, 1);
2611                 break;
2612
2613         case CS_ABORTED:
2614                 res = DID_RESET << 16;
2615                 break;
2616
2617         default:
2618                 res = DID_ERROR << 16;
2619                 break;
2620         }
2621
2622         if (logit)
2623                 ql_dbg(ql_dbg_io, fcport->vha, 0x3058,
2624                     "FCP command status: 0x%x-0x%x (0x%x) nexus=%ld:%d:%d "
2625                     "tgt_id: 0x%x lscsi_status: 0x%x cdb=%10phN len=0x%x "
2626                     "rsp_info=0x%x resid=0x%x fw_resid=0x%x sense_len=0x%x, "
2627                     "par_sense_len=0x%x, rsp_info_len=0x%x\n",
2628                     comp_status, scsi_status, res, vha->host_no,
2629                     cp->device->id, cp->device->lun, fcport->tgt_id,
2630                     lscsi_status, cp->cmnd, scsi_bufflen(cp),
2631                     rsp_info_len, resid_len, fw_resid_len, sense_len,
2632                     par_sense_len, rsp_info_len);
2633
2634         if (!res)
2635                 qla2x00_do_host_ramp_up(vha);
2636
2637         if (rsp->status_srb == NULL)
2638                 sp->done(ha, sp, res);
2639 }
2640
2641 /**
2642  * qlafx00_status_cont_entry() - Process a Status Continuations entry.
2643  * @ha: SCSI driver HA context
2644  * @pkt: Entry pointer
2645  *
2646  * Extended sense data.
2647  */
2648 static void
2649 qlafx00_status_cont_entry(struct rsp_que *rsp, sts_cont_entry_t *pkt)
2650 {
2651         uint8_t sense_sz = 0;
2652         struct qla_hw_data *ha = rsp->hw;
2653         struct scsi_qla_host *vha = pci_get_drvdata(ha->pdev);
2654         srb_t *sp = rsp->status_srb;
2655         struct scsi_cmnd *cp;
2656         uint32_t sense_len;
2657         uint8_t *sense_ptr;
2658
2659         if (!sp) {
2660                 ql_dbg(ql_dbg_io, vha, 0x3037,
2661                     "no SP, sp = %p\n", sp);
2662                 return;
2663         }
2664
2665         if (!GET_FW_SENSE_LEN(sp)) {
2666                 ql_dbg(ql_dbg_io, vha, 0x304b,
2667                     "no fw sense data, sp = %p\n", sp);
2668                 return;
2669         }
2670         cp = GET_CMD_SP(sp);
2671         if (cp == NULL) {
2672                 ql_log(ql_log_warn, vha, 0x303b,
2673                     "cmd is NULL: already returned to OS (sp=%p).\n", sp);
2674
2675                 rsp->status_srb = NULL;
2676                 return;
2677         }
2678
2679         if (!GET_CMD_SENSE_LEN(sp)) {
2680                 ql_dbg(ql_dbg_io, vha, 0x304c,
2681                     "no sense data, sp = %p\n", sp);
2682         } else {
2683                 sense_len = GET_CMD_SENSE_LEN(sp);
2684                 sense_ptr = GET_CMD_SENSE_PTR(sp);
2685                 ql_dbg(ql_dbg_io, vha, 0x304f,
2686                     "sp=%p sense_len=0x%x sense_ptr=%p.\n",
2687                     sp, sense_len, sense_ptr);
2688
2689                 if (sense_len > sizeof(pkt->data))
2690                         sense_sz = sizeof(pkt->data);
2691                 else
2692                         sense_sz = sense_len;
2693
2694                 /* Move sense data. */
2695                 ql_dump_buffer(ql_dbg_io + ql_dbg_buffer, vha, 0x304e,
2696                     (uint8_t *)pkt, sizeof(sts_cont_entry_t));
2697                 memcpy(sense_ptr, pkt->data, sense_sz);
2698                 ql_dump_buffer(ql_dbg_io + ql_dbg_buffer, vha, 0x304a,
2699                     sense_ptr, sense_sz);
2700
2701                 sense_len -= sense_sz;
2702                 sense_ptr += sense_sz;
2703
2704                 SET_CMD_SENSE_PTR(sp, sense_ptr);
2705                 SET_CMD_SENSE_LEN(sp, sense_len);
2706         }
2707         sense_len = GET_FW_SENSE_LEN(sp);
2708         sense_len = (sense_len > sizeof(pkt->data)) ?
2709             (sense_len - sizeof(pkt->data)) : 0;
2710         SET_FW_SENSE_LEN(sp, sense_len);
2711
2712         /* Place command on done queue. */
2713         if (sense_len == 0) {
2714                 rsp->status_srb = NULL;
2715                 sp->done(ha, sp, cp->result);
2716         }
2717 }
2718
2719 /**
2720  * qlafx00_multistatus_entry() - Process Multi response queue entries.
2721  * @ha: SCSI driver HA context
2722  */
2723 static void
2724 qlafx00_multistatus_entry(struct scsi_qla_host *vha,
2725         struct rsp_que *rsp, void *pkt)
2726 {
2727         srb_t           *sp;
2728         struct multi_sts_entry_fx00 *stsmfx;
2729         struct qla_hw_data *ha = vha->hw;
2730         uint32_t handle, hindex, handle_count, i;
2731         uint16_t que;
2732         struct req_que *req;
2733         __le32 *handle_ptr;
2734
2735         stsmfx = (struct multi_sts_entry_fx00 *) pkt;
2736
2737         handle_count = stsmfx->handle_count;
2738
2739         if (handle_count > MAX_HANDLE_COUNT) {
2740                 ql_dbg(ql_dbg_io, vha, 0x3035,
2741                     "Invalid handle count (0x%x).\n", handle_count);
2742                 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
2743                 qla2xxx_wake_dpc(vha);
2744                 return;
2745         }
2746
2747         handle_ptr =  &stsmfx->handles[0];
2748
2749         for (i = 0; i < handle_count; i++) {
2750                 hindex = le32_to_cpu(*handle_ptr);
2751                 handle = LSW(hindex);
2752                 que = MSW(hindex);
2753                 req = ha->req_q_map[que];
2754
2755                 /* Validate handle. */
2756                 if (handle < req->num_outstanding_cmds)
2757                         sp = req->outstanding_cmds[handle];
2758                 else
2759                         sp = NULL;
2760
2761                 if (sp == NULL) {
2762                         ql_dbg(ql_dbg_io, vha, 0x3044,
2763                             "Invalid status handle (0x%x).\n", handle);
2764                         set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
2765                         qla2xxx_wake_dpc(vha);
2766                         return;
2767                 }
2768                 qla2x00_process_completed_request(vha, req, handle);
2769                 handle_ptr++;
2770         }
2771 }
2772
2773 /**
2774  * qlafx00_error_entry() - Process an error entry.
2775  * @ha: SCSI driver HA context
2776  * @pkt: Entry pointer
2777  */
2778 static void
2779 qlafx00_error_entry(scsi_qla_host_t *vha, struct rsp_que *rsp,
2780                     struct sts_entry_fx00 *pkt, uint8_t estatus, uint8_t etype)
2781 {
2782         srb_t *sp;
2783         struct qla_hw_data *ha = vha->hw;
2784         const char func[] = "ERROR-IOCB";
2785         uint16_t que = MSW(pkt->handle);
2786         struct req_que *req = NULL;
2787         int res = DID_ERROR << 16;
2788
2789         ql_dbg(ql_dbg_async, vha, 0x507f,
2790             "type of error status in response: 0x%x\n", estatus);
2791
2792         req = ha->req_q_map[que];
2793
2794         sp = qla2x00_get_sp_from_handle(vha, func, req, pkt);
2795         if (sp) {
2796                 sp->done(ha, sp, res);
2797                 return;
2798         }
2799
2800         set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
2801         qla2xxx_wake_dpc(vha);
2802 }
2803
2804 /**
2805  * qlafx00_process_response_queue() - Process response queue entries.
2806  * @ha: SCSI driver HA context
2807  */
2808 static void
2809 qlafx00_process_response_queue(struct scsi_qla_host *vha,
2810         struct rsp_que *rsp)
2811 {
2812         struct sts_entry_fx00 *pkt;
2813         response_t *lptr;
2814
2815         while (RD_REG_DWORD((void __iomem *)&(rsp->ring_ptr->signature)) !=
2816             RESPONSE_PROCESSED) {
2817                 lptr = rsp->ring_ptr;
2818                 memcpy_fromio(rsp->rsp_pkt, (void __iomem *)lptr,
2819                     sizeof(rsp->rsp_pkt));
2820                 pkt = (struct sts_entry_fx00 *)rsp->rsp_pkt;
2821
2822                 rsp->ring_index++;
2823                 if (rsp->ring_index == rsp->length) {
2824                         rsp->ring_index = 0;
2825                         rsp->ring_ptr = rsp->ring;
2826                 } else {
2827                         rsp->ring_ptr++;
2828                 }
2829
2830                 if (pkt->entry_status != 0 &&
2831                     pkt->entry_type != IOCTL_IOSB_TYPE_FX00) {
2832                         qlafx00_error_entry(vha, rsp,
2833                             (struct sts_entry_fx00 *)pkt, pkt->entry_status,
2834                             pkt->entry_type);
2835                         goto next_iter;
2836                         continue;
2837                 }
2838
2839                 switch (pkt->entry_type) {
2840                 case STATUS_TYPE_FX00:
2841                         qlafx00_status_entry(vha, rsp, pkt);
2842                         break;
2843
2844                 case STATUS_CONT_TYPE_FX00:
2845                         qlafx00_status_cont_entry(rsp, (sts_cont_entry_t *)pkt);
2846                         break;
2847
2848                 case MULTI_STATUS_TYPE_FX00:
2849                         qlafx00_multistatus_entry(vha, rsp, pkt);
2850                         break;
2851
2852                 case ABORT_IOCB_TYPE_FX00:
2853                         qlafx00_abort_iocb_entry(vha, rsp->req,
2854                            (struct abort_iocb_entry_fx00 *)pkt);
2855                         break;
2856
2857                 case IOCTL_IOSB_TYPE_FX00:
2858                         qlafx00_ioctl_iosb_entry(vha, rsp->req,
2859                             (struct ioctl_iocb_entry_fx00 *)pkt);
2860                         break;
2861                 default:
2862                         /* Type Not Supported. */
2863                         ql_dbg(ql_dbg_async, vha, 0x5081,
2864                             "Received unknown response pkt type %x "
2865                             "entry status=%x.\n",
2866                             pkt->entry_type, pkt->entry_status);
2867                         break;
2868                 }
2869 next_iter:
2870                 WRT_REG_DWORD((void __iomem *)&lptr->signature,
2871                     RESPONSE_PROCESSED);
2872                 wmb();
2873         }
2874
2875         /* Adjust ring index */
2876         WRT_REG_DWORD(rsp->rsp_q_out, rsp->ring_index);
2877 }
2878
2879 /**
2880  * qlafx00_async_event() - Process aynchronous events.
2881  * @ha: SCSI driver HA context
2882  */
2883 static void
2884 qlafx00_async_event(scsi_qla_host_t *vha)
2885 {
2886         struct qla_hw_data *ha = vha->hw;
2887         struct device_reg_fx00 __iomem *reg;
2888         int data_size = 1;
2889
2890         reg = &ha->iobase->ispfx00;
2891         /* Setup to process RIO completion. */
2892         switch (ha->aenmb[0]) {
2893         case QLAFX00_MBA_SYSTEM_ERR:            /* System Error */
2894                 ql_log(ql_log_warn, vha, 0x5079,
2895                     "ISP System Error - mbx1=%x\n", ha->aenmb[0]);
2896                 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
2897                 break;
2898
2899         case QLAFX00_MBA_SHUTDOWN_RQSTD:        /* Shutdown requested */
2900                 ql_dbg(ql_dbg_async, vha, 0x5076,
2901                     "Asynchronous FW shutdown requested.\n");
2902                 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
2903                 qla2xxx_wake_dpc(vha);
2904                 break;
2905
2906         case QLAFX00_MBA_PORT_UPDATE:           /* Port database update */
2907                 ha->aenmb[1] = RD_REG_WORD(&reg->aenmailbox1);
2908                 ha->aenmb[2] = RD_REG_WORD(&reg->aenmailbox2);
2909                 ha->aenmb[3] = RD_REG_WORD(&reg->aenmailbox3);
2910                 ql_dbg(ql_dbg_async, vha, 0x5077,
2911                     "Asynchronous port Update received "
2912                     "aenmb[0]: %x, aenmb[1]: %x, aenmb[2]: %x, aenmb[3]: %x\n",
2913                     ha->aenmb[0], ha->aenmb[1], ha->aenmb[2], ha->aenmb[3]);
2914                 data_size = 4;
2915                 break;
2916
2917         case QLAFX00_MBA_TEMP_OVER:     /* Over temperature event */
2918         case QLAFX00_MBA_TEMP_CRIT:     /* Critical temperature event */
2919                 ql_log(ql_log_info, vha, 0x5083,
2920                     "Asynchronous critical temperature event received "
2921                     "aenmb[0]: %x\n",
2922                 ha->aenmb[0]);
2923                 qlafx00_post_aenfx_work(vha, ha->aenmb[0],
2924                     (uint32_t *)ha->aenmb, 1);
2925                 break;
2926
2927         default:
2928                 ha->aenmb[1] = RD_REG_WORD(&reg->aenmailbox1);
2929                 ha->aenmb[2] = RD_REG_WORD(&reg->aenmailbox2);
2930                 ha->aenmb[3] = RD_REG_WORD(&reg->aenmailbox3);
2931                 ha->aenmb[4] = RD_REG_WORD(&reg->aenmailbox4);
2932                 ha->aenmb[5] = RD_REG_WORD(&reg->aenmailbox5);
2933                 ha->aenmb[6] = RD_REG_WORD(&reg->aenmailbox6);
2934                 ha->aenmb[7] = RD_REG_WORD(&reg->aenmailbox7);
2935                 ql_dbg(ql_dbg_async, vha, 0x5078,
2936                     "AEN:%04x %04x %04x %04x :%04x %04x %04x %04x\n",
2937                     ha->aenmb[0], ha->aenmb[1], ha->aenmb[2], ha->aenmb[3],
2938                     ha->aenmb[4], ha->aenmb[5], ha->aenmb[6], ha->aenmb[7]);
2939                 break;
2940         }
2941         qlafx00_post_aenfx_work(vha, ha->aenmb[0],
2942             (uint32_t *)ha->aenmb, data_size);
2943 }
2944
2945 /**
2946  *
2947  * qlafx00x_mbx_completion() - Process mailbox command completions.
2948  * @ha: SCSI driver HA context
2949  * @mb16: Mailbox16 register
2950  */
2951 static void
2952 qlafx00_mbx_completion(scsi_qla_host_t *vha, uint32_t mb0)
2953 {
2954         uint16_t        cnt;
2955         uint16_t __iomem *wptr;
2956         struct qla_hw_data *ha = vha->hw;
2957         struct device_reg_fx00 __iomem *reg = &ha->iobase->ispfx00;
2958
2959         if (!ha->mcp32)
2960                 ql_dbg(ql_dbg_async, vha, 0x507e, "MBX pointer ERROR.\n");
2961
2962         /* Load return mailbox registers. */
2963         ha->flags.mbox_int = 1;
2964         ha->mailbox_out32[0] = mb0;
2965         wptr = (uint16_t __iomem *)&reg->mailbox17;
2966
2967         for (cnt = 1; cnt < ha->mbx_count; cnt++) {
2968                 ha->mailbox_out32[cnt] = RD_REG_WORD(wptr);
2969                 wptr++;
2970         }
2971 }
2972
2973 /**
2974  * qlafx00_intr_handler() - Process interrupts for the ISPFX00.
2975  * @irq:
2976  * @dev_id: SCSI driver HA context
2977  *
2978  * Called by system whenever the host adapter generates an interrupt.
2979  *
2980  * Returns handled flag.
2981  */
2982 irqreturn_t
2983 qlafx00_intr_handler(int irq, void *dev_id)
2984 {
2985         scsi_qla_host_t *vha;
2986         struct qla_hw_data *ha;
2987         struct device_reg_fx00 __iomem *reg;
2988         int             status;
2989         unsigned long   iter;
2990         uint32_t        stat;
2991         uint32_t        mb[8];
2992         struct rsp_que *rsp;
2993         unsigned long   flags;
2994         uint32_t clr_intr = 0;
2995
2996         rsp = (struct rsp_que *) dev_id;
2997         if (!rsp) {
2998                 ql_log(ql_log_info, NULL, 0x507d,
2999                     "%s: NULL response queue pointer.\n", __func__);
3000                 return IRQ_NONE;
3001         }
3002
3003         ha = rsp->hw;
3004         reg = &ha->iobase->ispfx00;
3005         status = 0;
3006
3007         if (unlikely(pci_channel_offline(ha->pdev)))
3008                 return IRQ_HANDLED;
3009
3010         spin_lock_irqsave(&ha->hardware_lock, flags);
3011         vha = pci_get_drvdata(ha->pdev);
3012         for (iter = 50; iter--; clr_intr = 0) {
3013                 stat = QLAFX00_RD_INTR_REG(ha);
3014                 if ((stat & QLAFX00_HST_INT_STS_BITS) == 0)
3015                         break;
3016
3017                 switch (stat & QLAFX00_HST_INT_STS_BITS) {
3018                 case QLAFX00_INTR_MB_CMPLT:
3019                 case QLAFX00_INTR_MB_RSP_CMPLT:
3020                 case QLAFX00_INTR_MB_ASYNC_CMPLT:
3021                 case QLAFX00_INTR_ALL_CMPLT:
3022                         mb[0] = RD_REG_WORD(&reg->mailbox16);
3023                         qlafx00_mbx_completion(vha, mb[0]);
3024                         status |= MBX_INTERRUPT;
3025                         clr_intr |= QLAFX00_INTR_MB_CMPLT;
3026                         break;
3027                 case QLAFX00_INTR_ASYNC_CMPLT:
3028                 case QLAFX00_INTR_RSP_ASYNC_CMPLT:
3029                         ha->aenmb[0] = RD_REG_WORD(&reg->aenmailbox0);
3030                         qlafx00_async_event(vha);
3031                         clr_intr |= QLAFX00_INTR_ASYNC_CMPLT;
3032                         break;
3033                 case QLAFX00_INTR_RSP_CMPLT:
3034                         qlafx00_process_response_queue(vha, rsp);
3035                         clr_intr |= QLAFX00_INTR_RSP_CMPLT;
3036                         break;
3037                 default:
3038                         ql_dbg(ql_dbg_async, vha, 0x507a,
3039                             "Unrecognized interrupt type (%d).\n", stat);
3040                         break;
3041                 }
3042                 QLAFX00_CLR_INTR_REG(ha, clr_intr);
3043                 QLAFX00_RD_INTR_REG(ha);
3044         }
3045
3046         qla2x00_handle_mbx_completion(ha, status);
3047         spin_unlock_irqrestore(&ha->hardware_lock, flags);
3048
3049         return IRQ_HANDLED;
3050 }
3051
3052 /** QLAFX00 specific IOCB implementation functions */
3053
3054 static inline cont_a64_entry_t *
3055 qlafx00_prep_cont_type1_iocb(struct req_que *req,
3056                              cont_a64_entry_t *lcont_pkt)
3057 {
3058         cont_a64_entry_t *cont_pkt;
3059
3060         /* Adjust ring index. */
3061         req->ring_index++;
3062         if (req->ring_index == req->length) {
3063                 req->ring_index = 0;
3064                 req->ring_ptr = req->ring;
3065         } else {
3066                 req->ring_ptr++;
3067         }
3068
3069         cont_pkt = (cont_a64_entry_t *)req->ring_ptr;
3070
3071         /* Load packet defaults. */
3072         lcont_pkt->entry_type = CONTINUE_A64_TYPE_FX00;
3073
3074         return cont_pkt;
3075 }
3076
3077 static inline void
3078 qlafx00_build_scsi_iocbs(srb_t *sp, struct cmd_type_7_fx00 *cmd_pkt,
3079                          uint16_t tot_dsds, struct cmd_type_7_fx00 *lcmd_pkt)
3080 {
3081         uint16_t        avail_dsds;
3082         __le32 *cur_dsd;
3083         scsi_qla_host_t *vha;
3084         struct scsi_cmnd *cmd;
3085         struct scatterlist *sg;
3086         int i, cont;
3087         struct req_que *req;
3088         cont_a64_entry_t lcont_pkt;
3089         cont_a64_entry_t *cont_pkt;
3090
3091         vha = sp->fcport->vha;
3092         req = vha->req;
3093
3094         cmd = GET_CMD_SP(sp);
3095         cont = 0;
3096         cont_pkt = NULL;
3097
3098         /* Update entry type to indicate Command Type 3 IOCB */
3099         lcmd_pkt->entry_type = FX00_COMMAND_TYPE_7;
3100
3101         /* No data transfer */
3102         if (!scsi_bufflen(cmd) || cmd->sc_data_direction == DMA_NONE) {
3103                 lcmd_pkt->byte_count = __constant_cpu_to_le32(0);
3104                 return;
3105         }
3106
3107         /* Set transfer direction */
3108         if (cmd->sc_data_direction == DMA_TO_DEVICE) {
3109                 lcmd_pkt->cntrl_flags = TMF_WRITE_DATA;
3110                 vha->qla_stats.output_bytes += scsi_bufflen(cmd);
3111         } else if (cmd->sc_data_direction == DMA_FROM_DEVICE) {
3112                 lcmd_pkt->cntrl_flags = TMF_READ_DATA;
3113                 vha->qla_stats.input_bytes += scsi_bufflen(cmd);
3114         }
3115
3116         /* One DSD is available in the Command Type 3 IOCB */
3117         avail_dsds = 1;
3118         cur_dsd = (__le32 *)&lcmd_pkt->dseg_0_address;
3119
3120         /* Load data segments */
3121         scsi_for_each_sg(cmd, sg, tot_dsds, i) {
3122                 dma_addr_t      sle_dma;
3123
3124                 /* Allocate additional continuation packets? */
3125                 if (avail_dsds == 0) {
3126                         /*
3127                          * Five DSDs are available in the Continuation
3128                          * Type 1 IOCB.
3129                          */
3130                         memset(&lcont_pkt, 0, REQUEST_ENTRY_SIZE);
3131                         cont_pkt =
3132                             qlafx00_prep_cont_type1_iocb(req, &lcont_pkt);
3133                         cur_dsd = (__le32 *)lcont_pkt.dseg_0_address;
3134                         avail_dsds = 5;
3135                         cont = 1;
3136                 }
3137
3138                 sle_dma = sg_dma_address(sg);
3139                 *cur_dsd++ = cpu_to_le32(LSD(sle_dma));
3140                 *cur_dsd++ = cpu_to_le32(MSD(sle_dma));
3141                 *cur_dsd++ = cpu_to_le32(sg_dma_len(sg));
3142                 avail_dsds--;
3143                 if (avail_dsds == 0 && cont == 1) {
3144                         cont = 0;
3145                         memcpy_toio((void __iomem *)cont_pkt, &lcont_pkt,
3146                             REQUEST_ENTRY_SIZE);
3147                 }
3148
3149         }
3150         if (avail_dsds != 0 && cont == 1) {
3151                 memcpy_toio((void __iomem *)cont_pkt, &lcont_pkt,
3152                     REQUEST_ENTRY_SIZE);
3153         }
3154 }
3155
3156 /**
3157  * qlafx00_start_scsi() - Send a SCSI command to the ISP
3158  * @sp: command to send to the ISP
3159  *
3160  * Returns non-zero if a failure occurred, else zero.
3161  */
3162 int
3163 qlafx00_start_scsi(srb_t *sp)
3164 {
3165         int             ret, nseg;
3166         unsigned long   flags;
3167         uint32_t        index;
3168         uint32_t        handle;
3169         uint16_t        cnt;
3170         uint16_t        req_cnt;
3171         uint16_t        tot_dsds;
3172         struct req_que *req = NULL;
3173         struct rsp_que *rsp = NULL;
3174         struct scsi_cmnd *cmd = GET_CMD_SP(sp);
3175         struct scsi_qla_host *vha = sp->fcport->vha;
3176         struct qla_hw_data *ha = vha->hw;
3177         struct cmd_type_7_fx00 *cmd_pkt;
3178         struct cmd_type_7_fx00 lcmd_pkt;
3179         struct scsi_lun llun;
3180         char            tag[2];
3181
3182         /* Setup device pointers. */
3183         ret = 0;
3184
3185         rsp = ha->rsp_q_map[0];
3186         req = vha->req;
3187
3188         /* So we know we haven't pci_map'ed anything yet */
3189         tot_dsds = 0;
3190
3191         /* Forcing marker needed for now */
3192         vha->marker_needed = 0;
3193
3194         /* Send marker if required */
3195         if (vha->marker_needed != 0) {
3196                 if (qla2x00_marker(vha, req, rsp, 0, 0, MK_SYNC_ALL) !=
3197                     QLA_SUCCESS)
3198                         return QLA_FUNCTION_FAILED;
3199                 vha->marker_needed = 0;
3200         }
3201
3202         /* Acquire ring specific lock */
3203         spin_lock_irqsave(&ha->hardware_lock, flags);
3204
3205         /* Check for room in outstanding command list. */
3206         handle = req->current_outstanding_cmd;
3207         for (index = 1; index < req->num_outstanding_cmds; index++) {
3208                 handle++;
3209                 if (handle == req->num_outstanding_cmds)
3210                         handle = 1;
3211                 if (!req->outstanding_cmds[handle])
3212                         break;
3213         }
3214         if (index == req->num_outstanding_cmds)
3215                 goto queuing_error;
3216
3217         /* Map the sg table so we have an accurate count of sg entries needed */
3218         if (scsi_sg_count(cmd)) {
3219                 nseg = dma_map_sg(&ha->pdev->dev, scsi_sglist(cmd),
3220                     scsi_sg_count(cmd), cmd->sc_data_direction);
3221                 if (unlikely(!nseg))
3222                         goto queuing_error;
3223         } else
3224                 nseg = 0;
3225
3226         tot_dsds = nseg;
3227         req_cnt = qla24xx_calc_iocbs(vha, tot_dsds);
3228         if (req->cnt < (req_cnt + 2)) {
3229                 cnt = RD_REG_DWORD_RELAXED(req->req_q_out);
3230
3231                 if (req->ring_index < cnt)
3232                         req->cnt = cnt - req->ring_index;
3233                 else
3234                         req->cnt = req->length -
3235                                 (req->ring_index - cnt);
3236                 if (req->cnt < (req_cnt + 2))
3237                         goto queuing_error;
3238         }
3239
3240         /* Build command packet. */
3241         req->current_outstanding_cmd = handle;
3242         req->outstanding_cmds[handle] = sp;
3243         sp->handle = handle;
3244         cmd->host_scribble = (unsigned char *)(unsigned long)handle;
3245         req->cnt -= req_cnt;
3246
3247         cmd_pkt = (struct cmd_type_7_fx00 *)req->ring_ptr;
3248
3249         memset(&lcmd_pkt, 0, REQUEST_ENTRY_SIZE);
3250
3251         lcmd_pkt.handle = MAKE_HANDLE(req->id, sp->handle);
3252         lcmd_pkt.handle_hi = 0;
3253         lcmd_pkt.dseg_count = cpu_to_le16(tot_dsds);
3254         lcmd_pkt.tgt_idx = cpu_to_le16(sp->fcport->tgt_id);
3255
3256         int_to_scsilun(cmd->device->lun, &llun);
3257         host_to_adap((uint8_t *)&llun, (uint8_t *)&lcmd_pkt.lun,
3258             sizeof(lcmd_pkt.lun));
3259
3260         /* Update tagged queuing modifier -- default is TSK_SIMPLE (0). */
3261         if (scsi_populate_tag_msg(cmd, tag)) {
3262                 switch (tag[0]) {
3263                 case HEAD_OF_QUEUE_TAG:
3264                         lcmd_pkt.task = TSK_HEAD_OF_QUEUE;
3265                         break;
3266                 case ORDERED_QUEUE_TAG:
3267                         lcmd_pkt.task = TSK_ORDERED;
3268                         break;
3269                 }
3270         }
3271
3272         /* Load SCSI command packet. */
3273         host_to_adap(cmd->cmnd, lcmd_pkt.fcp_cdb, sizeof(lcmd_pkt.fcp_cdb));
3274         lcmd_pkt.byte_count = cpu_to_le32((uint32_t)scsi_bufflen(cmd));
3275
3276         /* Build IOCB segments */
3277         qlafx00_build_scsi_iocbs(sp, cmd_pkt, tot_dsds, &lcmd_pkt);
3278
3279         /* Set total data segment count. */
3280         lcmd_pkt.entry_count = (uint8_t)req_cnt;
3281
3282         /* Specify response queue number where completion should happen */
3283         lcmd_pkt.entry_status = (uint8_t) rsp->id;
3284
3285         ql_dump_buffer(ql_dbg_io + ql_dbg_buffer, vha, 0x302e,
3286             (uint8_t *)cmd->cmnd, cmd->cmd_len);
3287         ql_dump_buffer(ql_dbg_io + ql_dbg_buffer, vha, 0x3032,
3288             (uint8_t *)&lcmd_pkt, REQUEST_ENTRY_SIZE);
3289
3290         memcpy_toio((void __iomem *)cmd_pkt, &lcmd_pkt, REQUEST_ENTRY_SIZE);
3291         wmb();
3292
3293         /* Adjust ring index. */
3294         req->ring_index++;
3295         if (req->ring_index == req->length) {
3296                 req->ring_index = 0;
3297                 req->ring_ptr = req->ring;
3298         } else
3299                 req->ring_ptr++;
3300
3301         sp->flags |= SRB_DMA_VALID;
3302
3303         /* Set chip new ring index. */
3304         WRT_REG_DWORD(req->req_q_in, req->ring_index);
3305         QLAFX00_SET_HST_INTR(ha, ha->rqstq_intr_code);
3306
3307         spin_unlock_irqrestore(&ha->hardware_lock, flags);
3308         return QLA_SUCCESS;
3309
3310 queuing_error:
3311         if (tot_dsds)
3312                 scsi_dma_unmap(cmd);
3313
3314         spin_unlock_irqrestore(&ha->hardware_lock, flags);
3315
3316         return QLA_FUNCTION_FAILED;
3317 }
3318
3319 void
3320 qlafx00_tm_iocb(srb_t *sp, struct tsk_mgmt_entry_fx00 *ptm_iocb)
3321 {
3322         struct srb_iocb *fxio = &sp->u.iocb_cmd;
3323         scsi_qla_host_t *vha = sp->fcport->vha;
3324         struct req_que *req = vha->req;
3325         struct tsk_mgmt_entry_fx00 tm_iocb;
3326         struct scsi_lun llun;
3327
3328         memset(&tm_iocb, 0, sizeof(struct tsk_mgmt_entry_fx00));
3329         tm_iocb.entry_type = TSK_MGMT_IOCB_TYPE_FX00;
3330         tm_iocb.entry_count = 1;
3331         tm_iocb.handle = cpu_to_le32(MAKE_HANDLE(req->id, sp->handle));
3332         tm_iocb.handle_hi = 0;
3333         tm_iocb.timeout = cpu_to_le16(qla2x00_get_async_timeout(vha) + 2);
3334         tm_iocb.tgt_id = cpu_to_le16(sp->fcport->tgt_id);
3335         tm_iocb.control_flags = cpu_to_le32(fxio->u.tmf.flags);
3336         if (tm_iocb.control_flags == cpu_to_le32((uint32_t)TCF_LUN_RESET)) {
3337                 int_to_scsilun(fxio->u.tmf.lun, &llun);
3338                 host_to_adap((uint8_t *)&llun, (uint8_t *)&tm_iocb.lun,
3339                     sizeof(struct scsi_lun));
3340         }
3341
3342         memcpy((void *)ptm_iocb, &tm_iocb,
3343             sizeof(struct tsk_mgmt_entry_fx00));
3344         wmb();
3345 }
3346
3347 void
3348 qlafx00_abort_iocb(srb_t *sp, struct abort_iocb_entry_fx00 *pabt_iocb)
3349 {
3350         struct srb_iocb *fxio = &sp->u.iocb_cmd;
3351         scsi_qla_host_t *vha = sp->fcport->vha;
3352         struct req_que *req = vha->req;
3353         struct abort_iocb_entry_fx00 abt_iocb;
3354
3355         memset(&abt_iocb, 0, sizeof(struct abort_iocb_entry_fx00));
3356         abt_iocb.entry_type = ABORT_IOCB_TYPE_FX00;
3357         abt_iocb.entry_count = 1;
3358         abt_iocb.handle = cpu_to_le32(MAKE_HANDLE(req->id, sp->handle));
3359         abt_iocb.abort_handle =
3360             cpu_to_le32(MAKE_HANDLE(req->id, fxio->u.abt.cmd_hndl));
3361         abt_iocb.tgt_id_sts = cpu_to_le16(sp->fcport->tgt_id);
3362         abt_iocb.req_que_no = cpu_to_le16(req->id);
3363
3364         memcpy((void *)pabt_iocb, &abt_iocb,
3365             sizeof(struct abort_iocb_entry_fx00));
3366         wmb();
3367 }
3368
3369 void
3370 qlafx00_fxdisc_iocb(srb_t *sp, struct fxdisc_entry_fx00 *pfxiocb)
3371 {
3372         struct srb_iocb *fxio = &sp->u.iocb_cmd;
3373         struct qla_mt_iocb_rqst_fx00 *piocb_rqst;
3374         struct fc_bsg_job *bsg_job;
3375         struct fxdisc_entry_fx00 fx_iocb;
3376         uint8_t entry_cnt = 1;
3377
3378         memset(&fx_iocb, 0, sizeof(struct fxdisc_entry_fx00));
3379         fx_iocb.entry_type = FX00_IOCB_TYPE;
3380         fx_iocb.handle = cpu_to_le32(sp->handle);
3381         fx_iocb.entry_count = entry_cnt;
3382
3383         if (sp->type == SRB_FXIOCB_DCMD) {
3384                 fx_iocb.func_num =
3385                     sp->u.iocb_cmd.u.fxiocb.req_func_type;
3386                 fx_iocb.adapid = fxio->u.fxiocb.adapter_id;
3387                 fx_iocb.adapid_hi = fxio->u.fxiocb.adapter_id_hi;
3388                 fx_iocb.reserved_0 = fxio->u.fxiocb.reserved_0;
3389                 fx_iocb.reserved_1 = fxio->u.fxiocb.reserved_1;
3390                 fx_iocb.dataword_extra = fxio->u.fxiocb.req_data_extra;
3391
3392                 if (fxio->u.fxiocb.flags & SRB_FXDISC_REQ_DMA_VALID) {
3393                         fx_iocb.req_dsdcnt = cpu_to_le16(1);
3394                         fx_iocb.req_xfrcnt =
3395                             cpu_to_le16(fxio->u.fxiocb.req_len);
3396                         fx_iocb.dseg_rq_address[0] =
3397                             cpu_to_le32(LSD(fxio->u.fxiocb.req_dma_handle));
3398                         fx_iocb.dseg_rq_address[1] =
3399                             cpu_to_le32(MSD(fxio->u.fxiocb.req_dma_handle));
3400                         fx_iocb.dseg_rq_len =
3401                             cpu_to_le32(fxio->u.fxiocb.req_len);
3402                 }
3403
3404                 if (fxio->u.fxiocb.flags & SRB_FXDISC_RESP_DMA_VALID) {
3405                         fx_iocb.rsp_dsdcnt = cpu_to_le16(1);
3406                         fx_iocb.rsp_xfrcnt =
3407                             cpu_to_le16(fxio->u.fxiocb.rsp_len);
3408                         fx_iocb.dseg_rsp_address[0] =
3409                             cpu_to_le32(LSD(fxio->u.fxiocb.rsp_dma_handle));
3410                         fx_iocb.dseg_rsp_address[1] =
3411                             cpu_to_le32(MSD(fxio->u.fxiocb.rsp_dma_handle));
3412                         fx_iocb.dseg_rsp_len =
3413                             cpu_to_le32(fxio->u.fxiocb.rsp_len);
3414                 }
3415
3416                 if (fxio->u.fxiocb.flags & SRB_FXDISC_REQ_DWRD_VALID) {
3417                         fx_iocb.dataword = fxio->u.fxiocb.req_data;
3418                 }
3419                 fx_iocb.flags = fxio->u.fxiocb.flags;
3420         } else {
3421                 struct scatterlist *sg;
3422                 bsg_job = sp->u.bsg_job;
3423                 piocb_rqst = (struct qla_mt_iocb_rqst_fx00 *)
3424                         &bsg_job->request->rqst_data.h_vendor.vendor_cmd[1];
3425
3426                 fx_iocb.func_num = piocb_rqst->func_type;
3427                 fx_iocb.adapid = piocb_rqst->adapid;
3428                 fx_iocb.adapid_hi = piocb_rqst->adapid_hi;
3429                 fx_iocb.reserved_0 = piocb_rqst->reserved_0;
3430                 fx_iocb.reserved_1 = piocb_rqst->reserved_1;
3431                 fx_iocb.dataword_extra = piocb_rqst->dataword_extra;
3432                 fx_iocb.dataword = piocb_rqst->dataword;
3433                 fx_iocb.req_xfrcnt = piocb_rqst->req_len;
3434                 fx_iocb.rsp_xfrcnt = piocb_rqst->rsp_len;
3435
3436                 if (piocb_rqst->flags & SRB_FXDISC_REQ_DMA_VALID) {
3437                         int avail_dsds, tot_dsds;
3438                         cont_a64_entry_t lcont_pkt;
3439                         cont_a64_entry_t *cont_pkt = NULL;
3440                         __le32 *cur_dsd;
3441                         int index = 0, cont = 0;
3442
3443                         fx_iocb.req_dsdcnt =
3444                             cpu_to_le16(bsg_job->request_payload.sg_cnt);
3445                         tot_dsds =
3446                             bsg_job->request_payload.sg_cnt;
3447                         cur_dsd = (__le32 *)&fx_iocb.dseg_rq_address[0];
3448                         avail_dsds = 1;
3449                         for_each_sg(bsg_job->request_payload.sg_list, sg,
3450                             tot_dsds, index) {
3451                                 dma_addr_t sle_dma;
3452
3453                                 /* Allocate additional continuation packets? */
3454                                 if (avail_dsds == 0) {
3455                                         /*
3456                                          * Five DSDs are available in the Cont.
3457                                          * Type 1 IOCB.
3458                                          */
3459                                         memset(&lcont_pkt, 0,
3460                                             REQUEST_ENTRY_SIZE);
3461                                         cont_pkt =
3462                                             qlafx00_prep_cont_type1_iocb(
3463                                                 sp->fcport->vha->req,
3464                                                 &lcont_pkt);
3465                                         cur_dsd = (__le32 *)
3466                                             lcont_pkt.dseg_0_address;
3467                                         avail_dsds = 5;
3468                                         cont = 1;
3469                                         entry_cnt++;
3470                                 }
3471
3472                                 sle_dma = sg_dma_address(sg);
3473                                 *cur_dsd++   = cpu_to_le32(LSD(sle_dma));
3474                                 *cur_dsd++   = cpu_to_le32(MSD(sle_dma));
3475                                 *cur_dsd++   = cpu_to_le32(sg_dma_len(sg));
3476                                 avail_dsds--;
3477
3478                                 if (avail_dsds == 0 && cont == 1) {
3479                                         cont = 0;
3480                                         memcpy_toio(
3481                                             (void __iomem *)cont_pkt,
3482                                             &lcont_pkt, REQUEST_ENTRY_SIZE);
3483                                         ql_dump_buffer(
3484                                             ql_dbg_user + ql_dbg_verbose,
3485                                             sp->fcport->vha, 0x3042,
3486                                             (uint8_t *)&lcont_pkt,
3487                                              REQUEST_ENTRY_SIZE);
3488                                 }
3489                         }
3490                         if (avail_dsds != 0 && cont == 1) {
3491                                 memcpy_toio((void __iomem *)cont_pkt,
3492                                     &lcont_pkt, REQUEST_ENTRY_SIZE);
3493                                 ql_dump_buffer(ql_dbg_user + ql_dbg_verbose,
3494                                     sp->fcport->vha, 0x3043,
3495                                     (uint8_t *)&lcont_pkt, REQUEST_ENTRY_SIZE);
3496                         }
3497                 }
3498
3499                 if (piocb_rqst->flags & SRB_FXDISC_RESP_DMA_VALID) {
3500                         int avail_dsds, tot_dsds;
3501                         cont_a64_entry_t lcont_pkt;
3502                         cont_a64_entry_t *cont_pkt = NULL;
3503                         __le32 *cur_dsd;
3504                         int index = 0, cont = 0;
3505
3506                         fx_iocb.rsp_dsdcnt =
3507                            cpu_to_le16(bsg_job->reply_payload.sg_cnt);
3508                         tot_dsds = bsg_job->reply_payload.sg_cnt;
3509                         cur_dsd = (__le32 *)&fx_iocb.dseg_rsp_address[0];
3510                         avail_dsds = 1;
3511
3512                         for_each_sg(bsg_job->reply_payload.sg_list, sg,
3513                             tot_dsds, index) {
3514                                 dma_addr_t sle_dma;
3515
3516                                 /* Allocate additional continuation packets? */
3517                                 if (avail_dsds == 0) {
3518                                         /*
3519                                         * Five DSDs are available in the Cont.
3520                                         * Type 1 IOCB.
3521                                         */
3522                                         memset(&lcont_pkt, 0,
3523                                             REQUEST_ENTRY_SIZE);
3524                                         cont_pkt =
3525                                             qlafx00_prep_cont_type1_iocb(
3526                                                 sp->fcport->vha->req,
3527                                                 &lcont_pkt);
3528                                         cur_dsd = (__le32 *)
3529                                             lcont_pkt.dseg_0_address;
3530                                         avail_dsds = 5;
3531                                         cont = 1;
3532                                         entry_cnt++;
3533                                 }
3534
3535                                 sle_dma = sg_dma_address(sg);
3536                                 *cur_dsd++   = cpu_to_le32(LSD(sle_dma));
3537                                 *cur_dsd++   = cpu_to_le32(MSD(sle_dma));
3538                                 *cur_dsd++   = cpu_to_le32(sg_dma_len(sg));
3539                                 avail_dsds--;
3540
3541                                 if (avail_dsds == 0 && cont == 1) {
3542                                         cont = 0;
3543                                         memcpy_toio((void __iomem *)cont_pkt,
3544                                             &lcont_pkt,
3545                                             REQUEST_ENTRY_SIZE);
3546                                         ql_dump_buffer(
3547                                             ql_dbg_user + ql_dbg_verbose,
3548                                             sp->fcport->vha, 0x3045,
3549                                             (uint8_t *)&lcont_pkt,
3550                                             REQUEST_ENTRY_SIZE);
3551                                 }
3552                         }
3553                         if (avail_dsds != 0 && cont == 1) {
3554                                 memcpy_toio((void __iomem *)cont_pkt,
3555                                     &lcont_pkt, REQUEST_ENTRY_SIZE);
3556                                 ql_dump_buffer(ql_dbg_user + ql_dbg_verbose,
3557                                     sp->fcport->vha, 0x3046,
3558                                     (uint8_t *)&lcont_pkt, REQUEST_ENTRY_SIZE);
3559                         }
3560                 }
3561
3562                 if (piocb_rqst->flags & SRB_FXDISC_REQ_DWRD_VALID)
3563                         fx_iocb.dataword = piocb_rqst->dataword;
3564                 fx_iocb.flags = piocb_rqst->flags;
3565                 fx_iocb.entry_count = entry_cnt;
3566         }
3567
3568         ql_dump_buffer(ql_dbg_user + ql_dbg_verbose,
3569             sp->fcport->vha, 0x3047,
3570             (uint8_t *)&fx_iocb, sizeof(struct fxdisc_entry_fx00));
3571
3572         memcpy((void *)pfxiocb, &fx_iocb,
3573             sizeof(struct fxdisc_entry_fx00));
3574         wmb();
3575 }