2 * QLogic Fibre Channel HBA Driver
3 * Copyright (c) 2003-2014 QLogic Corporation
5 * See LICENSE.qla2xxx for copyright and licensing details.
8 #include <linux/delay.h>
9 #include <linux/ktime.h>
10 #include <linux/pci.h>
11 #include <linux/ratelimit.h>
12 #include <linux/vmalloc.h>
13 #include <linux/bsg-lib.h>
14 #include <scsi/scsi_tcq.h>
15 #include <linux/utsname.h>
18 /* QLAFX00 specific Mailbox implementation functions */
21 * qlafx00_mailbox_command
22 * Issue mailbox command and waits for completion.
25 * ha = adapter block pointer.
26 * mcp = driver internal mbx struct pointer.
29 * mb[MAX_MAILBOX_REGISTER_COUNT] = returned mailbox data.
32 * 0 : QLA_SUCCESS = cmd performed success
33 * 1 : QLA_FUNCTION_FAILED (error encountered)
34 * 6 : QLA_FUNCTION_TIMEOUT (timeout condition encountered)
40 qlafx00_mailbox_command(scsi_qla_host_t *vha, struct mbx_cmd_32 *mcp)
44 unsigned long flags = 0;
50 uint32_t __iomem *optr;
53 unsigned long wait_time;
54 struct qla_hw_data *ha = vha->hw;
55 scsi_qla_host_t *base_vha = pci_get_drvdata(ha->pdev);
57 if (ha->pdev->error_state > pci_channel_io_frozen) {
58 ql_log(ql_log_warn, vha, 0x115c,
59 "error_state is greater than pci_channel_io_frozen, "
61 return QLA_FUNCTION_TIMEOUT;
64 if (vha->device_flags & DFLG_DEV_FAILED) {
65 ql_log(ql_log_warn, vha, 0x115f,
66 "Device in failed state, exiting.\n");
67 return QLA_FUNCTION_TIMEOUT;
71 io_lock_on = base_vha->flags.init_done;
74 abort_active = test_bit(ABORT_ISP_ACTIVE, &base_vha->dpc_flags);
76 if (ha->flags.pci_channel_io_perm_failure) {
77 ql_log(ql_log_warn, vha, 0x1175,
78 "Perm failure on EEH timeout MBX, exiting.\n");
79 return QLA_FUNCTION_TIMEOUT;
82 if (ha->flags.isp82xx_fw_hung) {
83 /* Setting Link-Down error */
84 mcp->mb[0] = MBS_LINK_DOWN_ERROR;
85 ql_log(ql_log_warn, vha, 0x1176,
86 "FW hung = %d.\n", ha->flags.isp82xx_fw_hung);
87 rval = QLA_FUNCTION_FAILED;
92 * Wait for active mailbox commands to finish by waiting at most tov
93 * seconds. This is to serialize actual issuing of mailbox cmds during
96 if (!wait_for_completion_timeout(&ha->mbx_cmd_comp, mcp->tov * HZ)) {
97 /* Timeout occurred. Return error. */
98 ql_log(ql_log_warn, vha, 0x1177,
99 "Cmd access timeout, cmd=0x%x, Exiting.\n",
101 return QLA_FUNCTION_TIMEOUT;
104 ha->flags.mbox_busy = 1;
105 /* Save mailbox command for debug */
108 ql_dbg(ql_dbg_mbx, vha, 0x1178,
109 "Prepare to issue mbox cmd=0x%x.\n", mcp->mb[0]);
111 spin_lock_irqsave(&ha->hardware_lock, flags);
113 /* Load mailbox registers. */
114 optr = (uint32_t __iomem *)®->ispfx00.mailbox0;
117 command = mcp->mb[0];
118 mboxes = mcp->out_mb;
120 for (cnt = 0; cnt < ha->mbx_count; cnt++) {
122 WRT_REG_DWORD(optr, *iptr);
129 /* Issue set host interrupt command to send cmd out. */
130 ha->flags.mbox_int = 0;
131 clear_bit(MBX_INTERRUPT, &ha->mbx_cmd_flags);
133 ql_dump_buffer(ql_dbg_mbx + ql_dbg_buffer, vha, 0x1172,
134 (uint8_t *)mcp->mb, 16);
135 ql_dump_buffer(ql_dbg_mbx + ql_dbg_buffer, vha, 0x1173,
136 ((uint8_t *)mcp->mb + 0x10), 16);
137 ql_dump_buffer(ql_dbg_mbx + ql_dbg_buffer, vha, 0x1174,
138 ((uint8_t *)mcp->mb + 0x20), 8);
140 /* Unlock mbx registers and wait for interrupt */
141 ql_dbg(ql_dbg_mbx, vha, 0x1179,
142 "Going to unlock irq & waiting for interrupts. "
143 "jiffies=%lx.\n", jiffies);
145 /* Wait for mbx cmd completion until timeout */
146 if ((!abort_active && io_lock_on) || IS_NOPOLLING_TYPE(ha)) {
147 set_bit(MBX_INTR_WAIT, &ha->mbx_cmd_flags);
149 QLAFX00_SET_HST_INTR(ha, ha->mbx_intr_code);
150 spin_unlock_irqrestore(&ha->hardware_lock, flags);
152 wait_for_completion_timeout(&ha->mbx_intr_comp, mcp->tov * HZ);
154 ql_dbg(ql_dbg_mbx, vha, 0x112c,
155 "Cmd=%x Polling Mode.\n", command);
157 QLAFX00_SET_HST_INTR(ha, ha->mbx_intr_code);
158 spin_unlock_irqrestore(&ha->hardware_lock, flags);
160 wait_time = jiffies + mcp->tov * HZ; /* wait at most tov secs */
161 while (!ha->flags.mbox_int) {
162 if (time_after(jiffies, wait_time))
165 /* Check for pending interrupts. */
166 qla2x00_poll(ha->rsp_q_map[0]);
168 if (!ha->flags.mbox_int &&
170 command == MBC_LOAD_RISC_RAM_EXTENDED))
171 usleep_range(10000, 11000);
173 ql_dbg(ql_dbg_mbx, vha, 0x112d,
175 (uint)((jiffies - (wait_time - (mcp->tov * HZ)))/HZ));
178 /* Check whether we timed out */
179 if (ha->flags.mbox_int) {
182 ql_dbg(ql_dbg_mbx, vha, 0x112e,
183 "Cmd=%x completed.\n", command);
185 /* Got interrupt. Clear the flag. */
186 ha->flags.mbox_int = 0;
187 clear_bit(MBX_INTERRUPT, &ha->mbx_cmd_flags);
189 if (ha->mailbox_out32[0] != MBS_COMMAND_COMPLETE)
190 rval = QLA_FUNCTION_FAILED;
192 /* Load return mailbox registers. */
194 iptr = (uint32_t *)&ha->mailbox_out32[0];
196 for (cnt = 0; cnt < ha->mbx_count; cnt++) {
206 rval = QLA_FUNCTION_TIMEOUT;
209 ha->flags.mbox_busy = 0;
214 if ((abort_active || !io_lock_on) && !IS_NOPOLLING_TYPE(ha)) {
215 ql_dbg(ql_dbg_mbx, vha, 0x113a,
216 "checking for additional resp interrupt.\n");
218 /* polling mode for non isp_abort commands. */
219 qla2x00_poll(ha->rsp_q_map[0]);
222 if (rval == QLA_FUNCTION_TIMEOUT &&
223 mcp->mb[0] != MBC_GEN_SYSTEM_ERROR) {
224 if (!io_lock_on || (mcp->flags & IOCTL_CMD) ||
225 ha->flags.eeh_busy) {
226 /* not in dpc. schedule it for dpc to take over. */
227 ql_dbg(ql_dbg_mbx, vha, 0x115d,
228 "Timeout, schedule isp_abort_needed.\n");
230 if (!test_bit(ISP_ABORT_NEEDED, &vha->dpc_flags) &&
231 !test_bit(ABORT_ISP_ACTIVE, &vha->dpc_flags) &&
232 !test_bit(ISP_ABORT_RETRY, &vha->dpc_flags)) {
234 ql_log(ql_log_info, base_vha, 0x115e,
235 "Mailbox cmd timeout occurred, cmd=0x%x, "
236 "mb[0]=0x%x, eeh_busy=0x%x. Scheduling ISP "
237 "abort.\n", command, mcp->mb[0],
239 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
240 qla2xxx_wake_dpc(vha);
242 } else if (!abort_active) {
243 /* call abort directly since we are in the DPC thread */
244 ql_dbg(ql_dbg_mbx, vha, 0x1160,
245 "Timeout, calling abort_isp.\n");
247 if (!test_bit(ISP_ABORT_NEEDED, &vha->dpc_flags) &&
248 !test_bit(ABORT_ISP_ACTIVE, &vha->dpc_flags) &&
249 !test_bit(ISP_ABORT_RETRY, &vha->dpc_flags)) {
251 ql_log(ql_log_info, base_vha, 0x1161,
252 "Mailbox cmd timeout occurred, cmd=0x%x, "
253 "mb[0]=0x%x. Scheduling ISP abort ",
254 command, mcp->mb[0]);
256 set_bit(ABORT_ISP_ACTIVE, &vha->dpc_flags);
257 clear_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
258 if (ha->isp_ops->abort_isp(vha)) {
259 /* Failed. retry later. */
260 set_bit(ISP_ABORT_NEEDED,
263 clear_bit(ABORT_ISP_ACTIVE, &vha->dpc_flags);
264 ql_dbg(ql_dbg_mbx, vha, 0x1162,
265 "Finished abort_isp.\n");
271 /* Allow next mbx cmd to come in. */
272 complete(&ha->mbx_cmd_comp);
275 ql_log(ql_log_warn, base_vha, 0x1163,
276 "**** Failed mbx[0]=%x, mb[1]=%x, mb[2]=%x, "
277 "mb[3]=%x, cmd=%x ****.\n",
278 mcp->mb[0], mcp->mb[1], mcp->mb[2], mcp->mb[3], command);
280 ql_dbg(ql_dbg_mbx, base_vha, 0x1164, "Done %s.\n", __func__);
287 * qlafx00_driver_shutdown
288 * Indicate a driver shutdown to firmware.
291 * ha = adapter block pointer.
294 * local function return status code.
300 qlafx00_driver_shutdown(scsi_qla_host_t *vha, int tmo)
303 struct mbx_cmd_32 mc;
304 struct mbx_cmd_32 *mcp = &mc;
306 ql_dbg(ql_dbg_mbx + ql_dbg_verbose, vha, 0x1166,
307 "Entered %s.\n", __func__);
309 mcp->mb[0] = MBC_MR_DRV_SHUTDOWN;
315 mcp->tov = MBX_TOV_SECONDS;
317 rval = qlafx00_mailbox_command(vha, mcp);
319 if (rval != QLA_SUCCESS) {
320 ql_dbg(ql_dbg_mbx, vha, 0x1167,
321 "Failed=%x.\n", rval);
323 ql_dbg(ql_dbg_mbx + ql_dbg_verbose, vha, 0x1168,
324 "Done %s.\n", __func__);
331 * qlafx00_get_firmware_state
332 * Get adapter firmware state.
335 * ha = adapter block pointer.
336 * TARGET_QUEUE_LOCK must be released.
337 * ADAPTER_STATE_LOCK must be released.
340 * qla7xxx local function return status code.
346 qlafx00_get_firmware_state(scsi_qla_host_t *vha, uint32_t *states)
349 struct mbx_cmd_32 mc;
350 struct mbx_cmd_32 *mcp = &mc;
352 ql_dbg(ql_dbg_mbx + ql_dbg_verbose, vha, 0x1169,
353 "Entered %s.\n", __func__);
355 mcp->mb[0] = MBC_GET_FIRMWARE_STATE;
357 mcp->in_mb = MBX_1|MBX_0;
358 mcp->tov = MBX_TOV_SECONDS;
360 rval = qlafx00_mailbox_command(vha, mcp);
362 /* Return firmware states. */
363 states[0] = mcp->mb[1];
365 if (rval != QLA_SUCCESS) {
366 ql_dbg(ql_dbg_mbx, vha, 0x116a,
367 "Failed=%x mb[0]=%x.\n", rval, mcp->mb[0]);
369 ql_dbg(ql_dbg_mbx + ql_dbg_verbose, vha, 0x116b,
370 "Done %s.\n", __func__);
376 * qlafx00_init_firmware
377 * Initialize adapter firmware.
380 * ha = adapter block pointer.
381 * dptr = Initialization control block pointer.
382 * size = size of initialization control block.
383 * TARGET_QUEUE_LOCK must be released.
384 * ADAPTER_STATE_LOCK must be released.
387 * qlafx00 local function return status code.
393 qlafx00_init_firmware(scsi_qla_host_t *vha, uint16_t size)
396 struct mbx_cmd_32 mc;
397 struct mbx_cmd_32 *mcp = &mc;
398 struct qla_hw_data *ha = vha->hw;
400 ql_dbg(ql_dbg_mbx + ql_dbg_verbose, vha, 0x116c,
401 "Entered %s.\n", __func__);
403 mcp->mb[0] = MBC_INITIALIZE_FIRMWARE;
406 mcp->mb[2] = MSD(ha->init_cb_dma);
407 mcp->mb[3] = LSD(ha->init_cb_dma);
409 mcp->out_mb = MBX_3|MBX_2|MBX_1|MBX_0;
411 mcp->buf_size = size;
412 mcp->flags = MBX_DMA_OUT;
413 mcp->tov = MBX_TOV_SECONDS;
414 rval = qlafx00_mailbox_command(vha, mcp);
416 if (rval != QLA_SUCCESS) {
417 ql_dbg(ql_dbg_mbx, vha, 0x116d,
418 "Failed=%x mb[0]=%x.\n", rval, mcp->mb[0]);
420 ql_dbg(ql_dbg_mbx + ql_dbg_verbose, vha, 0x116e,
421 "Done %s.\n", __func__);
427 * qlafx00_mbx_reg_test
430 qlafx00_mbx_reg_test(scsi_qla_host_t *vha)
433 struct mbx_cmd_32 mc;
434 struct mbx_cmd_32 *mcp = &mc;
436 ql_dbg(ql_dbg_mbx + ql_dbg_verbose, vha, 0x116f,
437 "Entered %s.\n", __func__);
440 mcp->mb[0] = MBC_MAILBOX_REGISTER_TEST;
450 mcp->mb[10] = 0xBB66;
451 mcp->mb[11] = 0x66BB;
452 mcp->mb[12] = 0xB6B6;
453 mcp->mb[13] = 0x6B6B;
454 mcp->mb[14] = 0x3636;
455 mcp->mb[15] = 0xCCCC;
458 mcp->out_mb = MBX_15|MBX_14|MBX_13|MBX_12|MBX_11|MBX_10|MBX_9|MBX_8|
459 MBX_7|MBX_6|MBX_5|MBX_4|MBX_3|MBX_2|MBX_1|MBX_0;
460 mcp->in_mb = MBX_15|MBX_14|MBX_13|MBX_12|MBX_11|MBX_10|MBX_9|MBX_8|
461 MBX_7|MBX_6|MBX_5|MBX_4|MBX_3|MBX_2|MBX_1|MBX_0;
463 mcp->flags = MBX_DMA_OUT;
464 mcp->tov = MBX_TOV_SECONDS;
465 rval = qlafx00_mailbox_command(vha, mcp);
466 if (rval == QLA_SUCCESS) {
467 if (mcp->mb[17] != 0xAAAA || mcp->mb[18] != 0x5555 ||
468 mcp->mb[19] != 0xAA55 || mcp->mb[20] != 0x55AA)
469 rval = QLA_FUNCTION_FAILED;
470 if (mcp->mb[21] != 0xA5A5 || mcp->mb[22] != 0x5A5A ||
471 mcp->mb[23] != 0x2525 || mcp->mb[24] != 0xBBBB)
472 rval = QLA_FUNCTION_FAILED;
473 if (mcp->mb[25] != 0x6666 || mcp->mb[26] != 0xBB66 ||
474 mcp->mb[27] != 0x66BB || mcp->mb[28] != 0xB6B6)
475 rval = QLA_FUNCTION_FAILED;
476 if (mcp->mb[29] != 0x6B6B || mcp->mb[30] != 0x3636 ||
477 mcp->mb[31] != 0xCCCC)
478 rval = QLA_FUNCTION_FAILED;
481 if (rval != QLA_SUCCESS) {
482 ql_dbg(ql_dbg_mbx, vha, 0x1170,
483 "Failed=%x mb[0]=%x.\n", rval, mcp->mb[0]);
485 ql_dbg(ql_dbg_mbx + ql_dbg_verbose, vha, 0x1171,
486 "Done %s.\n", __func__);
492 * qlafx00_pci_config() - Setup ISPFx00 PCI configuration registers.
495 * Returns 0 on success.
498 qlafx00_pci_config(scsi_qla_host_t *vha)
501 struct qla_hw_data *ha = vha->hw;
503 pci_set_master(ha->pdev);
504 pci_try_set_mwi(ha->pdev);
506 pci_read_config_word(ha->pdev, PCI_COMMAND, &w);
507 w |= (PCI_COMMAND_PARITY | PCI_COMMAND_SERR);
508 w &= ~PCI_COMMAND_INTX_DISABLE;
509 pci_write_config_word(ha->pdev, PCI_COMMAND, w);
511 /* PCIe -- adjust Maximum Read Request Size (2048). */
512 if (pci_is_pcie(ha->pdev))
513 pcie_set_readrq(ha->pdev, 2048);
515 ha->chip_revision = ha->pdev->revision;
521 * qlafx00_warm_reset() - Perform warm reset of iSA(CPUs being reset on SOC).
526 qlafx00_soc_cpu_reset(scsi_qla_host_t *vha)
528 unsigned long flags = 0;
529 struct qla_hw_data *ha = vha->hw;
534 spin_lock_irqsave(&ha->hardware_lock, flags);
536 QLAFX00_SET_HBA_SOC_REG(ha, 0x80004, 0);
537 QLAFX00_SET_HBA_SOC_REG(ha, 0x82004, 0);
539 /* stop the XOR DMA engines */
540 QLAFX00_SET_HBA_SOC_REG(ha, 0x60920, 0x02);
541 QLAFX00_SET_HBA_SOC_REG(ha, 0x60924, 0x02);
542 QLAFX00_SET_HBA_SOC_REG(ha, 0xf0920, 0x02);
543 QLAFX00_SET_HBA_SOC_REG(ha, 0xf0924, 0x02);
545 /* stop the IDMA engines */
546 reg_val = QLAFX00_GET_HBA_SOC_REG(ha, 0x60840);
548 QLAFX00_SET_HBA_SOC_REG(ha, 0x60840, reg_val);
550 reg_val = QLAFX00_GET_HBA_SOC_REG(ha, 0x60844);
552 QLAFX00_SET_HBA_SOC_REG(ha, 0x60844, reg_val);
554 reg_val = QLAFX00_GET_HBA_SOC_REG(ha, 0x60848);
556 QLAFX00_SET_HBA_SOC_REG(ha, 0x60848, reg_val);
558 reg_val = QLAFX00_GET_HBA_SOC_REG(ha, 0x6084C);
560 QLAFX00_SET_HBA_SOC_REG(ha, 0x6084C, reg_val);
562 for (i = 0; i < 100000; i++) {
563 if ((QLAFX00_GET_HBA_SOC_REG(ha, 0xd0000) & 0x10000000) == 0 &&
564 (QLAFX00_GET_HBA_SOC_REG(ha, 0x10600) & 0x1) == 0)
569 /* Set all 4 cores in reset */
570 for (i = 0; i < 4; i++) {
571 QLAFX00_SET_HBA_SOC_REG(ha,
572 (SOC_SW_RST_CONTROL_REG_CORE0 + 8*i), (0xF01));
573 QLAFX00_SET_HBA_SOC_REG(ha,
574 (SOC_SW_RST_CONTROL_REG_CORE0 + 4 + 8*i), (0x01010101));
577 /* Reset all units in Fabric */
578 QLAFX00_SET_HBA_SOC_REG(ha, SOC_FABRIC_RST_CONTROL_REG, (0x011f0101));
581 QLAFX00_SET_HBA_SOC_REG(ha, 0x10610, 1);
582 QLAFX00_SET_HBA_SOC_REG(ha, 0x10600, 0);
584 /* Set all 4 core Memory Power Down Registers */
585 for (i = 0; i < 5; i++) {
586 QLAFX00_SET_HBA_SOC_REG(ha,
587 (SOC_PWR_MANAGEMENT_PWR_DOWN_REG + 4*i), (0x0));
590 /* Reset all interrupt control registers */
591 for (i = 0; i < 115; i++) {
592 QLAFX00_SET_HBA_SOC_REG(ha,
593 (SOC_INTERRUPT_SOURCE_I_CONTROL_REG + 4*i), (0x0));
596 /* Reset Timers control registers. per core */
597 for (core = 0; core < 4; core++)
598 for (i = 0; i < 8; i++)
599 QLAFX00_SET_HBA_SOC_REG(ha,
600 (SOC_CORE_TIMER_REG + 0x100*core + 4*i), (0x0));
602 /* Reset per core IRQ ack register */
603 for (core = 0; core < 4; core++)
604 QLAFX00_SET_HBA_SOC_REG(ha,
605 (SOC_IRQ_ACK_REG + 0x100*core), (0x3FF));
607 /* Set Fabric control and config to defaults */
608 QLAFX00_SET_HBA_SOC_REG(ha, SOC_FABRIC_CONTROL_REG, (0x2));
609 QLAFX00_SET_HBA_SOC_REG(ha, SOC_FABRIC_CONFIG_REG, (0x3));
611 /* Kick in Fabric units */
612 QLAFX00_SET_HBA_SOC_REG(ha, SOC_FABRIC_RST_CONTROL_REG, (0x0));
614 /* Kick in Core0 to start boot process */
615 QLAFX00_SET_HBA_SOC_REG(ha, SOC_SW_RST_CONTROL_REG_CORE0, (0xF00));
617 spin_unlock_irqrestore(&ha->hardware_lock, flags);
619 /* Wait 10secs for soft-reset to complete. */
620 for (cnt = 10; cnt; cnt--) {
627 * qlafx00_soft_reset() - Soft Reset ISPFx00.
630 * Returns 0 on success.
633 qlafx00_soft_reset(scsi_qla_host_t *vha)
635 struct qla_hw_data *ha = vha->hw;
637 if (unlikely(pci_channel_offline(ha->pdev) &&
638 ha->flags.pci_channel_io_perm_failure))
641 ha->isp_ops->disable_intrs(ha);
642 qlafx00_soc_cpu_reset(vha);
646 * qlafx00_chip_diag() - Test ISPFx00 for proper operation.
649 * Returns 0 on success.
652 qlafx00_chip_diag(scsi_qla_host_t *vha)
655 struct qla_hw_data *ha = vha->hw;
656 struct req_que *req = ha->req_q_map[0];
658 ha->fw_transfer_size = REQUEST_ENTRY_SIZE * req->length;
660 rval = qlafx00_mbx_reg_test(vha);
662 ql_log(ql_log_warn, vha, 0x1165,
663 "Failed mailbox send register test\n");
665 /* Flag a successful rval */
672 qlafx00_config_rings(struct scsi_qla_host *vha)
674 struct qla_hw_data *ha = vha->hw;
675 struct device_reg_fx00 __iomem *reg = &ha->iobase->ispfx00;
677 WRT_REG_DWORD(®->req_q_in, 0);
678 WRT_REG_DWORD(®->req_q_out, 0);
680 WRT_REG_DWORD(®->rsp_q_in, 0);
681 WRT_REG_DWORD(®->rsp_q_out, 0);
684 RD_REG_DWORD(®->rsp_q_out);
688 qlafx00_pci_info_str(struct scsi_qla_host *vha, char *str)
690 struct qla_hw_data *ha = vha->hw;
692 if (pci_is_pcie(ha->pdev)) {
693 strcpy(str, "PCIe iSA");
700 qlafx00_fw_version_str(struct scsi_qla_host *vha, char *str, size_t size)
702 struct qla_hw_data *ha = vha->hw;
704 snprintf(str, size, "%s", ha->mr.fw_version);
709 qlafx00_enable_intrs(struct qla_hw_data *ha)
711 unsigned long flags = 0;
713 spin_lock_irqsave(&ha->hardware_lock, flags);
714 ha->interrupts_on = 1;
715 QLAFX00_ENABLE_ICNTRL_REG(ha);
716 spin_unlock_irqrestore(&ha->hardware_lock, flags);
720 qlafx00_disable_intrs(struct qla_hw_data *ha)
722 unsigned long flags = 0;
724 spin_lock_irqsave(&ha->hardware_lock, flags);
725 ha->interrupts_on = 0;
726 QLAFX00_DISABLE_ICNTRL_REG(ha);
727 spin_unlock_irqrestore(&ha->hardware_lock, flags);
731 qlafx00_abort_target(fc_port_t *fcport, uint64_t l, int tag)
733 return qla2x00_async_tm_cmd(fcport, TCF_TARGET_RESET, l, tag);
737 qlafx00_lun_reset(fc_port_t *fcport, uint64_t l, int tag)
739 return qla2x00_async_tm_cmd(fcport, TCF_LUN_RESET, l, tag);
743 qlafx00_iospace_config(struct qla_hw_data *ha)
745 if (pci_request_selected_regions(ha->pdev, ha->bars,
746 QLA2XXX_DRIVER_NAME)) {
747 ql_log_pci(ql_log_fatal, ha->pdev, 0x014e,
748 "Failed to reserve PIO/MMIO regions (%s), aborting.\n",
750 goto iospace_error_exit;
753 /* Use MMIO operations for all accesses. */
754 if (!(pci_resource_flags(ha->pdev, 0) & IORESOURCE_MEM)) {
755 ql_log_pci(ql_log_warn, ha->pdev, 0x014f,
756 "Invalid pci I/O region size (%s).\n",
758 goto iospace_error_exit;
760 if (pci_resource_len(ha->pdev, 0) < BAR0_LEN_FX00) {
761 ql_log_pci(ql_log_warn, ha->pdev, 0x0127,
762 "Invalid PCI mem BAR0 region size (%s), aborting\n",
764 goto iospace_error_exit;
768 ioremap_nocache(pci_resource_start(ha->pdev, 0), BAR0_LEN_FX00);
770 ql_log_pci(ql_log_fatal, ha->pdev, 0x0128,
771 "cannot remap MMIO (%s), aborting\n", pci_name(ha->pdev));
772 goto iospace_error_exit;
775 if (!(pci_resource_flags(ha->pdev, 2) & IORESOURCE_MEM)) {
776 ql_log_pci(ql_log_warn, ha->pdev, 0x0129,
777 "region #2 not an MMIO resource (%s), aborting\n",
779 goto iospace_error_exit;
781 if (pci_resource_len(ha->pdev, 2) < BAR2_LEN_FX00) {
782 ql_log_pci(ql_log_warn, ha->pdev, 0x012a,
783 "Invalid PCI mem BAR2 region size (%s), aborting\n",
785 goto iospace_error_exit;
789 ioremap_nocache(pci_resource_start(ha->pdev, 2), BAR2_LEN_FX00);
791 ql_log_pci(ql_log_fatal, ha->pdev, 0x012b,
792 "cannot remap MMIO (%s), aborting\n", pci_name(ha->pdev));
793 goto iospace_error_exit;
796 /* Determine queue resources */
797 ha->max_req_queues = ha->max_rsp_queues = 1;
799 ql_log_pci(ql_log_info, ha->pdev, 0x012c,
800 "Bars 0x%x, iobase0 0x%p, iobase2 0x%p\n",
801 ha->bars, ha->cregbase, ha->iobase);
810 qlafx00_save_queue_ptrs(struct scsi_qla_host *vha)
812 struct qla_hw_data *ha = vha->hw;
813 struct req_que *req = ha->req_q_map[0];
814 struct rsp_que *rsp = ha->rsp_q_map[0];
816 req->length_fx00 = req->length;
817 req->ring_fx00 = req->ring;
818 req->dma_fx00 = req->dma;
820 rsp->length_fx00 = rsp->length;
821 rsp->ring_fx00 = rsp->ring;
822 rsp->dma_fx00 = rsp->dma;
824 ql_dbg(ql_dbg_init, vha, 0x012d,
825 "req: %p, ring_fx00: %p, length_fx00: 0x%x,"
826 "req->dma_fx00: 0x%llx\n", req, req->ring_fx00,
827 req->length_fx00, (u64)req->dma_fx00);
829 ql_dbg(ql_dbg_init, vha, 0x012e,
830 "rsp: %p, ring_fx00: %p, length_fx00: 0x%x,"
831 "rsp->dma_fx00: 0x%llx\n", rsp, rsp->ring_fx00,
832 rsp->length_fx00, (u64)rsp->dma_fx00);
836 qlafx00_config_queues(struct scsi_qla_host *vha)
838 struct qla_hw_data *ha = vha->hw;
839 struct req_que *req = ha->req_q_map[0];
840 struct rsp_que *rsp = ha->rsp_q_map[0];
841 dma_addr_t bar2_hdl = pci_resource_start(ha->pdev, 2);
843 req->length = ha->req_que_len;
844 req->ring = (void __force *)ha->iobase + ha->req_que_off;
845 req->dma = bar2_hdl + ha->req_que_off;
846 if ((!req->ring) || (req->length == 0)) {
847 ql_log_pci(ql_log_info, ha->pdev, 0x012f,
848 "Unable to allocate memory for req_ring\n");
849 return QLA_FUNCTION_FAILED;
852 ql_dbg(ql_dbg_init, vha, 0x0130,
853 "req: %p req_ring pointer %p req len 0x%x "
854 "req off 0x%x\n, req->dma: 0x%llx",
855 req, req->ring, req->length,
856 ha->req_que_off, (u64)req->dma);
858 rsp->length = ha->rsp_que_len;
859 rsp->ring = (void __force *)ha->iobase + ha->rsp_que_off;
860 rsp->dma = bar2_hdl + ha->rsp_que_off;
861 if ((!rsp->ring) || (rsp->length == 0)) {
862 ql_log_pci(ql_log_info, ha->pdev, 0x0131,
863 "Unable to allocate memory for rsp_ring\n");
864 return QLA_FUNCTION_FAILED;
867 ql_dbg(ql_dbg_init, vha, 0x0132,
868 "rsp: %p rsp_ring pointer %p rsp len 0x%x "
869 "rsp off 0x%x, rsp->dma: 0x%llx\n",
870 rsp, rsp->ring, rsp->length,
871 ha->rsp_que_off, (u64)rsp->dma);
877 qlafx00_init_fw_ready(scsi_qla_host_t *vha)
881 uint16_t wait_time; /* Wait time */
882 struct qla_hw_data *ha = vha->hw;
883 struct device_reg_fx00 __iomem *reg = &ha->iobase->ispfx00;
884 uint32_t aenmbx, aenmbx7 = 0;
889 /* 30 seconds wait - Adjust if required */
892 pseudo_aen = RD_REG_DWORD(®->pseudoaen);
893 if (pseudo_aen == 1) {
894 aenmbx7 = RD_REG_DWORD(®->initval7);
895 ha->mbx_intr_code = MSW(aenmbx7);
896 ha->rqstq_intr_code = LSW(aenmbx7);
897 rval = qlafx00_driver_shutdown(vha, 10);
898 if (rval != QLA_SUCCESS)
899 qlafx00_soft_reset(vha);
902 /* wait time before firmware ready */
903 wtime = jiffies + (wait_time * HZ);
905 aenmbx = RD_REG_DWORD(®->aenmailbox0);
907 ql_dbg(ql_dbg_mbx, vha, 0x0133,
908 "aenmbx: 0x%x\n", aenmbx);
911 case MBA_FW_NOT_STARTED:
912 case MBA_FW_STARTING:
916 case MBA_REQ_TRANSFER_ERR:
917 case MBA_RSP_TRANSFER_ERR:
918 case MBA_FW_INIT_FAILURE:
919 qlafx00_soft_reset(vha);
922 case MBA_FW_RESTART_CMPLT:
923 /* Set the mbx and rqstq intr code */
924 aenmbx7 = RD_REG_DWORD(®->aenmailbox7);
925 ha->mbx_intr_code = MSW(aenmbx7);
926 ha->rqstq_intr_code = LSW(aenmbx7);
927 ha->req_que_off = RD_REG_DWORD(®->aenmailbox1);
928 ha->rsp_que_off = RD_REG_DWORD(®->aenmailbox3);
929 ha->req_que_len = RD_REG_DWORD(®->aenmailbox5);
930 ha->rsp_que_len = RD_REG_DWORD(®->aenmailbox6);
931 WRT_REG_DWORD(®->aenmailbox0, 0);
932 RD_REG_DWORD_RELAXED(®->aenmailbox0);
933 ql_dbg(ql_dbg_init, vha, 0x0134,
934 "f/w returned mbx_intr_code: 0x%x, "
935 "rqstq_intr_code: 0x%x\n",
936 ha->mbx_intr_code, ha->rqstq_intr_code);
937 QLAFX00_CLR_INTR_REG(ha, QLAFX00_HST_INT_STS_BITS);
943 if ((aenmbx & 0xFF00) == MBA_FW_INIT_INPROGRESS)
946 /* If fw is apparently not ready. In order to continue,
947 * we might need to issue Mbox cmd, but the problem is
948 * that the DoorBell vector values that come with the
949 * 8060 AEN are most likely gone by now (and thus no
950 * bell would be rung on the fw side when mbox cmd is
951 * issued). We have to therefore grab the 8060 AEN
952 * shadow regs (filled in by FW when the last 8060
953 * AEN was being posted).
954 * Do the following to determine what is needed in
955 * order to get the FW ready:
956 * 1. reload the 8060 AEN values from the shadow regs
957 * 2. clear int status to get rid of possible pending
959 * 3. issue Get FW State Mbox cmd to determine fw state
960 * Set the mbx and rqstq intr code from Shadow Regs
962 aenmbx7 = RD_REG_DWORD(®->initval7);
963 ha->mbx_intr_code = MSW(aenmbx7);
964 ha->rqstq_intr_code = LSW(aenmbx7);
965 ha->req_que_off = RD_REG_DWORD(®->initval1);
966 ha->rsp_que_off = RD_REG_DWORD(®->initval3);
967 ha->req_que_len = RD_REG_DWORD(®->initval5);
968 ha->rsp_que_len = RD_REG_DWORD(®->initval6);
969 ql_dbg(ql_dbg_init, vha, 0x0135,
970 "f/w returned mbx_intr_code: 0x%x, "
971 "rqstq_intr_code: 0x%x\n",
972 ha->mbx_intr_code, ha->rqstq_intr_code);
973 QLAFX00_CLR_INTR_REG(ha, QLAFX00_HST_INT_STS_BITS);
975 /* Get the FW state */
976 rval = qlafx00_get_firmware_state(vha, state);
977 if (rval != QLA_SUCCESS) {
978 /* Retry if timer has not expired */
982 if (state[0] == FSTATE_FX00_CONFIG_WAIT) {
983 /* Firmware is waiting to be
984 * initialized by driver
991 /* Issue driver shutdown and wait until f/w recovers.
992 * Driver should continue to poll until 8060 AEN is
993 * received indicating firmware recovery.
995 ql_dbg(ql_dbg_init, vha, 0x0136,
996 "Sending Driver shutdown fw_state 0x%x\n",
999 rval = qlafx00_driver_shutdown(vha, 10);
1000 if (rval != QLA_SUCCESS) {
1001 rval = QLA_FUNCTION_FAILED;
1006 wtime = jiffies + (wait_time * HZ);
1011 if (time_after_eq(jiffies, wtime)) {
1012 ql_dbg(ql_dbg_init, vha, 0x0137,
1013 "Init f/w failed: aen[7]: 0x%x\n",
1014 RD_REG_DWORD(®->aenmailbox7));
1015 rval = QLA_FUNCTION_FAILED;
1019 /* Delay for a while */
1025 ql_dbg(ql_dbg_init, vha, 0x0138,
1026 "%s **** FAILED ****.\n", __func__);
1028 ql_dbg(ql_dbg_init, vha, 0x0139,
1029 "%s **** SUCCESS ****.\n", __func__);
1035 * qlafx00_fw_ready() - Waits for firmware ready.
1038 * Returns 0 on success.
1041 qlafx00_fw_ready(scsi_qla_host_t *vha)
1044 unsigned long wtime;
1045 uint16_t wait_time; /* Wait time if loop is coming ready */
1052 /* wait time before firmware ready */
1053 wtime = jiffies + (wait_time * HZ);
1055 /* Wait for ISP to finish init */
1056 if (!vha->flags.init_done)
1057 ql_dbg(ql_dbg_init, vha, 0x013a,
1058 "Waiting for init to complete...\n");
1061 rval = qlafx00_get_firmware_state(vha, state);
1063 if (rval == QLA_SUCCESS) {
1064 if (state[0] == FSTATE_FX00_INITIALIZED) {
1065 ql_dbg(ql_dbg_init, vha, 0x013b,
1066 "fw_state=%x\n", state[0]);
1071 rval = QLA_FUNCTION_FAILED;
1073 if (time_after_eq(jiffies, wtime))
1076 /* Delay for a while */
1079 ql_dbg(ql_dbg_init, vha, 0x013c,
1080 "fw_state=%x curr time=%lx.\n", state[0], jiffies);
1085 ql_dbg(ql_dbg_init, vha, 0x013d,
1086 "Firmware ready **** FAILED ****.\n");
1088 ql_dbg(ql_dbg_init, vha, 0x013e,
1089 "Firmware ready **** SUCCESS ****.\n");
1095 qlafx00_find_all_targets(scsi_qla_host_t *vha,
1096 struct list_head *new_fcports)
1100 fc_port_t *fcport, *new_fcport;
1102 struct qla_hw_data *ha = vha->hw;
1106 if (!test_bit(LOOP_RESYNC_ACTIVE, &vha->dpc_flags))
1107 return QLA_FUNCTION_FAILED;
1109 if ((atomic_read(&vha->loop_down_timer) ||
1110 STATE_TRANSITION(vha))) {
1111 atomic_set(&vha->loop_down_timer, 0);
1112 set_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags);
1113 return QLA_FUNCTION_FAILED;
1116 ql_dbg(ql_dbg_disc + ql_dbg_init, vha, 0x2088,
1117 "Listing Target bit map...\n");
1118 ql_dump_buffer(ql_dbg_disc + ql_dbg_init, vha,
1119 0x2089, (uint8_t *)ha->gid_list, 32);
1121 /* Allocate temporary rmtport for any new rmtports discovered. */
1122 new_fcport = qla2x00_alloc_fcport(vha, GFP_KERNEL);
1123 if (new_fcport == NULL)
1124 return QLA_MEMORY_ALLOC_FAILED;
1126 for_each_set_bit(tgt_id, (void *)ha->gid_list,
1127 QLAFX00_TGT_NODE_LIST_SIZE) {
1129 /* Send get target node info */
1130 new_fcport->tgt_id = tgt_id;
1131 rval = qlafx00_fx_disc(vha, new_fcport,
1132 FXDISC_GET_TGT_NODE_INFO);
1133 if (rval != QLA_SUCCESS) {
1134 ql_log(ql_log_warn, vha, 0x208a,
1135 "Target info scan failed -- assuming zero-entry "
1140 /* Locate matching device in database. */
1142 list_for_each_entry(fcport, &vha->vp_fcports, list) {
1143 if (memcmp(new_fcport->port_name,
1144 fcport->port_name, WWN_SIZE))
1150 * If tgt_id is same and state FCS_ONLINE, nothing
1153 if (fcport->tgt_id == new_fcport->tgt_id &&
1154 atomic_read(&fcport->state) == FCS_ONLINE)
1158 * Tgt ID changed or device was marked to be updated.
1160 ql_dbg(ql_dbg_disc + ql_dbg_init, vha, 0x208b,
1161 "TGT-ID Change(%s): Present tgt id: "
1163 "wwnn = %llx wwpn = %llx.\n",
1164 __func__, fcport->tgt_id,
1165 atomic_read(&fcport->state),
1166 (unsigned long long)wwn_to_u64(fcport->node_name),
1167 (unsigned long long)wwn_to_u64(fcport->port_name));
1169 ql_log(ql_log_info, vha, 0x208c,
1170 "TGT-ID Announce(%s): Discovered tgt "
1171 "id 0x%x wwnn = %llx "
1172 "wwpn = %llx.\n", __func__, new_fcport->tgt_id,
1173 (unsigned long long)
1174 wwn_to_u64(new_fcport->node_name),
1175 (unsigned long long)
1176 wwn_to_u64(new_fcport->port_name));
1178 if (atomic_read(&fcport->state) != FCS_ONLINE) {
1179 fcport->old_tgt_id = fcport->tgt_id;
1180 fcport->tgt_id = new_fcport->tgt_id;
1181 ql_log(ql_log_info, vha, 0x208d,
1182 "TGT-ID: New fcport Added: %p\n", fcport);
1183 qla2x00_update_fcport(vha, fcport);
1185 ql_log(ql_log_info, vha, 0x208e,
1186 " Existing TGT-ID %x did not get "
1187 " offline event from firmware.\n",
1188 fcport->old_tgt_id);
1189 qla2x00_mark_device_lost(vha, fcport, 0, 0);
1190 set_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags);
1200 /* If device was not in our fcports list, then add it. */
1201 list_add_tail(&new_fcport->list, new_fcports);
1203 /* Allocate a new replacement fcport. */
1204 new_fcport = qla2x00_alloc_fcport(vha, GFP_KERNEL);
1205 if (new_fcport == NULL)
1206 return QLA_MEMORY_ALLOC_FAILED;
1214 * qlafx00_configure_all_targets
1215 * Setup target devices with node ID's.
1218 * ha = adapter block pointer.
1225 qlafx00_configure_all_targets(scsi_qla_host_t *vha)
1228 fc_port_t *fcport, *rmptemp;
1229 LIST_HEAD(new_fcports);
1231 rval = qlafx00_fx_disc(vha, &vha->hw->mr.fcport,
1232 FXDISC_GET_TGT_NODE_LIST);
1233 if (rval != QLA_SUCCESS) {
1234 set_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags);
1238 rval = qlafx00_find_all_targets(vha, &new_fcports);
1239 if (rval != QLA_SUCCESS) {
1240 set_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags);
1245 * Delete all previous devices marked lost.
1247 list_for_each_entry(fcport, &vha->vp_fcports, list) {
1248 if (test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags))
1251 if (atomic_read(&fcport->state) == FCS_DEVICE_LOST) {
1252 if (fcport->port_type != FCT_INITIATOR)
1253 qla2x00_mark_device_lost(vha, fcport, 0, 0);
1258 * Add the new devices to our devices list.
1260 list_for_each_entry_safe(fcport, rmptemp, &new_fcports, list) {
1261 if (test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags))
1264 qla2x00_update_fcport(vha, fcport);
1265 list_move_tail(&fcport->list, &vha->vp_fcports);
1266 ql_log(ql_log_info, vha, 0x208f,
1267 "Attach new target id 0x%x wwnn = %llx "
1270 (unsigned long long)wwn_to_u64(fcport->node_name),
1271 (unsigned long long)wwn_to_u64(fcport->port_name));
1274 /* Free all new device structures not processed. */
1275 list_for_each_entry_safe(fcport, rmptemp, &new_fcports, list) {
1276 list_del(&fcport->list);
1284 * qlafx00_configure_devices
1285 * Updates Fibre Channel Device Database with what is actually on loop.
1288 * ha = adapter block pointer.
1293 * 2 = database was full and device was not configured.
1296 qlafx00_configure_devices(scsi_qla_host_t *vha)
1299 unsigned long flags;
1302 flags = vha->dpc_flags;
1304 ql_dbg(ql_dbg_disc, vha, 0x2090,
1305 "Configure devices -- dpc flags =0x%lx\n", flags);
1307 rval = qlafx00_configure_all_targets(vha);
1309 if (rval == QLA_SUCCESS) {
1310 if (test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags)) {
1311 rval = QLA_FUNCTION_FAILED;
1313 atomic_set(&vha->loop_state, LOOP_READY);
1314 ql_log(ql_log_info, vha, 0x2091,
1320 ql_dbg(ql_dbg_disc, vha, 0x2092,
1321 "%s *** FAILED ***.\n", __func__);
1323 ql_dbg(ql_dbg_disc, vha, 0x2093,
1324 "%s: exiting normally.\n", __func__);
1330 qlafx00_abort_isp_cleanup(scsi_qla_host_t *vha, bool critemp)
1332 struct qla_hw_data *ha = vha->hw;
1335 vha->flags.online = 0;
1336 ha->mr.fw_hbt_en = 0;
1339 ha->flags.chip_reset_done = 0;
1340 clear_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
1341 vha->qla_stats.total_isp_aborts++;
1342 ql_log(ql_log_info, vha, 0x013f,
1343 "Performing ISP error recovery - ha = %p.\n", ha);
1344 ha->isp_ops->reset_chip(vha);
1347 if (atomic_read(&vha->loop_state) != LOOP_DOWN) {
1348 atomic_set(&vha->loop_state, LOOP_DOWN);
1349 atomic_set(&vha->loop_down_timer,
1350 QLAFX00_LOOP_DOWN_TIME);
1352 if (!atomic_read(&vha->loop_down_timer))
1353 atomic_set(&vha->loop_down_timer,
1354 QLAFX00_LOOP_DOWN_TIME);
1357 /* Clear all async request states across all VPs. */
1358 list_for_each_entry(fcport, &vha->vp_fcports, list) {
1360 if (atomic_read(&fcport->state) == FCS_ONLINE)
1361 qla2x00_set_fcport_state(fcport, FCS_DEVICE_LOST);
1364 if (!ha->flags.eeh_busy) {
1366 qla2x00_abort_all_cmds(vha, DID_NO_CONNECT << 16);
1368 /* Requeue all commands in outstanding command list. */
1369 qla2x00_abort_all_cmds(vha, DID_RESET << 16);
1373 qla2x00_free_irqs(vha);
1375 set_bit(FX00_CRITEMP_RECOVERY, &vha->dpc_flags);
1377 set_bit(FX00_RESET_RECOVERY, &vha->dpc_flags);
1379 /* Clear the Interrupts */
1380 QLAFX00_CLR_INTR_REG(ha, QLAFX00_HST_INT_STS_BITS);
1382 ql_log(ql_log_info, vha, 0x0140,
1383 "%s Done done - ha=%p.\n", __func__, ha);
1387 * qlafx00_init_response_q_entries() - Initializes response queue entries.
1390 * Beginning of request ring has initialization control block already built
1391 * by nvram config routine.
1393 * Returns 0 on success.
1396 qlafx00_init_response_q_entries(struct rsp_que *rsp)
1401 rsp->ring_ptr = rsp->ring;
1402 rsp->ring_index = 0;
1403 rsp->status_srb = NULL;
1404 pkt = rsp->ring_ptr;
1405 for (cnt = 0; cnt < rsp->length; cnt++) {
1406 pkt->signature = RESPONSE_PROCESSED;
1407 WRT_REG_DWORD((void __force __iomem *)&pkt->signature,
1408 RESPONSE_PROCESSED);
1414 qlafx00_rescan_isp(scsi_qla_host_t *vha)
1416 uint32_t status = QLA_FUNCTION_FAILED;
1417 struct qla_hw_data *ha = vha->hw;
1418 struct device_reg_fx00 __iomem *reg = &ha->iobase->ispfx00;
1421 qla2x00_request_irqs(ha, ha->rsp_q_map[0]);
1423 aenmbx7 = RD_REG_DWORD(®->aenmailbox7);
1424 ha->mbx_intr_code = MSW(aenmbx7);
1425 ha->rqstq_intr_code = LSW(aenmbx7);
1426 ha->req_que_off = RD_REG_DWORD(®->aenmailbox1);
1427 ha->rsp_que_off = RD_REG_DWORD(®->aenmailbox3);
1428 ha->req_que_len = RD_REG_DWORD(®->aenmailbox5);
1429 ha->rsp_que_len = RD_REG_DWORD(®->aenmailbox6);
1431 ql_dbg(ql_dbg_disc, vha, 0x2094,
1432 "fw returned mbx_intr_code: 0x%x, rqstq_intr_code: 0x%x "
1433 " Req que offset 0x%x Rsp que offset 0x%x\n",
1434 ha->mbx_intr_code, ha->rqstq_intr_code,
1435 ha->req_que_off, ha->rsp_que_len);
1437 /* Clear the Interrupts */
1438 QLAFX00_CLR_INTR_REG(ha, QLAFX00_HST_INT_STS_BITS);
1440 status = qla2x00_init_rings(vha);
1442 vha->flags.online = 1;
1444 /* if no cable then assume it's good */
1445 if ((vha->device_flags & DFLG_NO_CABLE))
1447 /* Register system information */
1448 if (qlafx00_fx_disc(vha,
1449 &vha->hw->mr.fcport, FXDISC_REG_HOST_INFO))
1450 ql_dbg(ql_dbg_disc, vha, 0x2095,
1451 "failed to register host info\n");
1453 scsi_unblock_requests(vha->host);
1458 qlafx00_timer_routine(scsi_qla_host_t *vha)
1460 struct qla_hw_data *ha = vha->hw;
1461 uint32_t fw_heart_beat;
1463 struct device_reg_fx00 __iomem *reg = &ha->iobase->ispfx00;
1466 /* Check firmware health */
1467 if (ha->mr.fw_hbt_cnt)
1468 ha->mr.fw_hbt_cnt--;
1470 if ((!ha->flags.mr_reset_hdlr_active) &&
1471 (!test_bit(UNLOADING, &vha->dpc_flags)) &&
1472 (!test_bit(ABORT_ISP_ACTIVE, &vha->dpc_flags)) &&
1473 (ha->mr.fw_hbt_en)) {
1474 fw_heart_beat = RD_REG_DWORD(®->fwheartbeat);
1475 if (fw_heart_beat != ha->mr.old_fw_hbt_cnt) {
1476 ha->mr.old_fw_hbt_cnt = fw_heart_beat;
1477 ha->mr.fw_hbt_miss_cnt = 0;
1479 ha->mr.fw_hbt_miss_cnt++;
1480 if (ha->mr.fw_hbt_miss_cnt ==
1481 QLAFX00_HEARTBEAT_MISS_CNT) {
1482 set_bit(ISP_ABORT_NEEDED,
1484 qla2xxx_wake_dpc(vha);
1485 ha->mr.fw_hbt_miss_cnt = 0;
1489 ha->mr.fw_hbt_cnt = QLAFX00_HEARTBEAT_INTERVAL;
1492 if (test_bit(FX00_RESET_RECOVERY, &vha->dpc_flags)) {
1493 /* Reset recovery to be performed in timer routine */
1494 aenmbx0 = RD_REG_DWORD(®->aenmailbox0);
1495 if (ha->mr.fw_reset_timer_exp) {
1496 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
1497 qla2xxx_wake_dpc(vha);
1498 ha->mr.fw_reset_timer_exp = 0;
1499 } else if (aenmbx0 == MBA_FW_RESTART_CMPLT) {
1500 /* Wake up DPC to rescan the targets */
1501 set_bit(FX00_TARGET_SCAN, &vha->dpc_flags);
1502 clear_bit(FX00_RESET_RECOVERY, &vha->dpc_flags);
1503 qla2xxx_wake_dpc(vha);
1504 ha->mr.fw_reset_timer_tick = QLAFX00_RESET_INTERVAL;
1505 } else if ((aenmbx0 == MBA_FW_STARTING) &&
1506 (!ha->mr.fw_hbt_en)) {
1507 ha->mr.fw_hbt_en = 1;
1508 } else if (!ha->mr.fw_reset_timer_tick) {
1509 if (aenmbx0 == ha->mr.old_aenmbx0_state)
1510 ha->mr.fw_reset_timer_exp = 1;
1511 ha->mr.fw_reset_timer_tick = QLAFX00_RESET_INTERVAL;
1512 } else if (aenmbx0 == 0xFFFFFFFF) {
1513 uint32_t data0, data1;
1515 data0 = QLAFX00_RD_REG(ha,
1516 QLAFX00_BAR1_BASE_ADDR_REG);
1517 data1 = QLAFX00_RD_REG(ha,
1518 QLAFX00_PEX0_WIN0_BASE_ADDR_REG);
1520 data0 &= 0xffff0000;
1521 data1 &= 0x0000ffff;
1524 QLAFX00_PEX0_WIN0_BASE_ADDR_REG,
1526 } else if ((aenmbx0 & 0xFF00) == MBA_FW_POLL_STATE) {
1527 ha->mr.fw_reset_timer_tick =
1528 QLAFX00_MAX_RESET_INTERVAL;
1529 } else if (aenmbx0 == MBA_FW_RESET_FCT) {
1530 ha->mr.fw_reset_timer_tick =
1531 QLAFX00_MAX_RESET_INTERVAL;
1533 if (ha->mr.old_aenmbx0_state != aenmbx0) {
1534 ha->mr.old_aenmbx0_state = aenmbx0;
1535 ha->mr.fw_reset_timer_tick = QLAFX00_RESET_INTERVAL;
1537 ha->mr.fw_reset_timer_tick--;
1539 if (test_bit(FX00_CRITEMP_RECOVERY, &vha->dpc_flags)) {
1541 * Critical temperature recovery to be
1542 * performed in timer routine
1544 if (ha->mr.fw_critemp_timer_tick == 0) {
1545 tempc = QLAFX00_GET_TEMPERATURE(ha);
1546 ql_dbg(ql_dbg_timer, vha, 0x6012,
1547 "ISPFx00(%s): Critical temp timer, "
1548 "current SOC temperature: %d\n",
1550 if (tempc < ha->mr.critical_temperature) {
1551 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
1552 clear_bit(FX00_CRITEMP_RECOVERY,
1554 qla2xxx_wake_dpc(vha);
1556 ha->mr.fw_critemp_timer_tick =
1557 QLAFX00_CRITEMP_INTERVAL;
1559 ha->mr.fw_critemp_timer_tick--;
1562 if (ha->mr.host_info_resend) {
1564 * Incomplete host info might be sent to firmware
1565 * durinng system boot - info should be resend
1567 if (ha->mr.hinfo_resend_timer_tick == 0) {
1568 ha->mr.host_info_resend = false;
1569 set_bit(FX00_HOST_INFO_RESEND, &vha->dpc_flags);
1570 ha->mr.hinfo_resend_timer_tick =
1571 QLAFX00_HINFO_RESEND_INTERVAL;
1572 qla2xxx_wake_dpc(vha);
1574 ha->mr.hinfo_resend_timer_tick--;
1581 * qlfx00a_reset_initialize
1582 * Re-initialize after a iSA device reset.
1585 * ha = adapter block pointer.
1591 qlafx00_reset_initialize(scsi_qla_host_t *vha)
1593 struct qla_hw_data *ha = vha->hw;
1595 if (vha->device_flags & DFLG_DEV_FAILED) {
1596 ql_dbg(ql_dbg_init, vha, 0x0142,
1597 "Device in failed state\n");
1601 ha->flags.mr_reset_hdlr_active = 1;
1603 if (vha->flags.online) {
1604 scsi_block_requests(vha->host);
1605 qlafx00_abort_isp_cleanup(vha, false);
1608 ql_log(ql_log_info, vha, 0x0143,
1609 "(%s): succeeded.\n", __func__);
1610 ha->flags.mr_reset_hdlr_active = 0;
1616 * Resets ISP and aborts all outstanding commands.
1619 * ha = adapter block pointer.
1625 qlafx00_abort_isp(scsi_qla_host_t *vha)
1627 struct qla_hw_data *ha = vha->hw;
1629 if (vha->flags.online) {
1630 if (unlikely(pci_channel_offline(ha->pdev) &&
1631 ha->flags.pci_channel_io_perm_failure)) {
1632 clear_bit(ISP_ABORT_RETRY, &vha->dpc_flags);
1636 scsi_block_requests(vha->host);
1637 qlafx00_abort_isp_cleanup(vha, false);
1639 scsi_block_requests(vha->host);
1640 clear_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
1641 vha->qla_stats.total_isp_aborts++;
1642 ha->isp_ops->reset_chip(vha);
1643 set_bit(FX00_RESET_RECOVERY, &vha->dpc_flags);
1644 /* Clear the Interrupts */
1645 QLAFX00_CLR_INTR_REG(ha, QLAFX00_HST_INT_STS_BITS);
1648 ql_log(ql_log_info, vha, 0x0145,
1649 "(%s): succeeded.\n", __func__);
1654 static inline fc_port_t*
1655 qlafx00_get_fcport(struct scsi_qla_host *vha, int tgt_id)
1659 /* Check for matching device in remote port list. */
1660 list_for_each_entry(fcport, &vha->vp_fcports, list) {
1661 if (fcport->tgt_id == tgt_id) {
1662 ql_dbg(ql_dbg_async, vha, 0x5072,
1663 "Matching fcport(%p) found with TGT-ID: 0x%x "
1664 "and Remote TGT_ID: 0x%x\n",
1665 fcport, fcport->tgt_id, tgt_id);
1673 qlafx00_tgt_detach(struct scsi_qla_host *vha, int tgt_id)
1677 ql_log(ql_log_info, vha, 0x5073,
1678 "Detach TGT-ID: 0x%x\n", tgt_id);
1680 fcport = qlafx00_get_fcport(vha, tgt_id);
1684 qla2x00_mark_device_lost(vha, fcport, 0, 0);
1690 qlafx00_process_aen(struct scsi_qla_host *vha, struct qla_work_evt *evt)
1693 uint32_t aen_code, aen_data;
1695 aen_code = FCH_EVT_VENDOR_UNIQUE;
1696 aen_data = evt->u.aenfx.evtcode;
1698 switch (evt->u.aenfx.evtcode) {
1699 case QLAFX00_MBA_PORT_UPDATE: /* Port database update */
1700 if (evt->u.aenfx.mbx[1] == 0) {
1701 if (evt->u.aenfx.mbx[2] == 1) {
1702 if (!vha->flags.fw_tgt_reported)
1703 vha->flags.fw_tgt_reported = 1;
1704 atomic_set(&vha->loop_down_timer, 0);
1705 atomic_set(&vha->loop_state, LOOP_UP);
1706 set_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags);
1707 qla2xxx_wake_dpc(vha);
1708 } else if (evt->u.aenfx.mbx[2] == 2) {
1709 qlafx00_tgt_detach(vha, evt->u.aenfx.mbx[3]);
1711 } else if (evt->u.aenfx.mbx[1] == 0xffff) {
1712 if (evt->u.aenfx.mbx[2] == 1) {
1713 if (!vha->flags.fw_tgt_reported)
1714 vha->flags.fw_tgt_reported = 1;
1715 set_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags);
1716 } else if (evt->u.aenfx.mbx[2] == 2) {
1717 vha->device_flags |= DFLG_NO_CABLE;
1718 qla2x00_mark_all_devices_lost(vha, 1);
1722 case QLAFX00_MBA_LINK_UP:
1723 aen_code = FCH_EVT_LINKUP;
1726 case QLAFX00_MBA_LINK_DOWN:
1727 aen_code = FCH_EVT_LINKDOWN;
1730 case QLAFX00_MBA_TEMP_CRIT: /* Critical temperature event */
1731 ql_log(ql_log_info, vha, 0x5082,
1732 "Process critical temperature event "
1734 evt->u.aenfx.evtcode);
1735 scsi_block_requests(vha->host);
1736 qlafx00_abort_isp_cleanup(vha, true);
1737 scsi_unblock_requests(vha->host);
1741 fc_host_post_event(vha->host, fc_get_event_number(),
1742 aen_code, aen_data);
1748 qlafx00_update_host_attr(scsi_qla_host_t *vha, struct port_info_data *pinfo)
1750 u64 port_name = 0, node_name = 0;
1752 port_name = (unsigned long long)wwn_to_u64(pinfo->port_name);
1753 node_name = (unsigned long long)wwn_to_u64(pinfo->node_name);
1755 fc_host_node_name(vha->host) = node_name;
1756 fc_host_port_name(vha->host) = port_name;
1757 if (!pinfo->port_type)
1758 vha->hw->current_topology = ISP_CFG_F;
1759 if (pinfo->link_status == QLAFX00_LINK_STATUS_UP)
1760 atomic_set(&vha->loop_state, LOOP_READY);
1761 else if (pinfo->link_status == QLAFX00_LINK_STATUS_DOWN)
1762 atomic_set(&vha->loop_state, LOOP_DOWN);
1763 vha->hw->link_data_rate = (uint16_t)pinfo->link_config;
1767 qla2x00_fxdisc_iocb_timeout(void *data)
1770 struct srb_iocb *lio = &sp->u.iocb_cmd;
1772 complete(&lio->u.fxiocb.fxiocb_comp);
1776 qla2x00_fxdisc_sp_done(void *ptr, int res)
1779 struct srb_iocb *lio = &sp->u.iocb_cmd;
1781 complete(&lio->u.fxiocb.fxiocb_comp);
1785 qlafx00_fx_disc(scsi_qla_host_t *vha, fc_port_t *fcport, uint16_t fx_type)
1788 struct srb_iocb *fdisc;
1789 int rval = QLA_FUNCTION_FAILED;
1790 struct qla_hw_data *ha = vha->hw;
1791 struct host_system_info *phost_info;
1792 struct register_host_info *preg_hsi;
1793 struct new_utsname *p_sysid = NULL;
1795 sp = qla2x00_get_sp(vha, fcport, GFP_KERNEL);
1799 sp->type = SRB_FXIOCB_DCMD;
1800 sp->name = "fxdisc";
1801 qla2x00_init_timer(sp, FXDISC_TIMEOUT);
1803 fdisc = &sp->u.iocb_cmd;
1805 case FXDISC_GET_CONFIG_INFO:
1806 fdisc->u.fxiocb.flags =
1807 SRB_FXDISC_RESP_DMA_VALID;
1808 fdisc->u.fxiocb.rsp_len = sizeof(struct config_info_data);
1810 case FXDISC_GET_PORT_INFO:
1811 fdisc->u.fxiocb.flags =
1812 SRB_FXDISC_RESP_DMA_VALID | SRB_FXDISC_REQ_DWRD_VALID;
1813 fdisc->u.fxiocb.rsp_len = QLAFX00_PORT_DATA_INFO;
1814 fdisc->u.fxiocb.req_data = cpu_to_le32(fcport->port_id);
1816 case FXDISC_GET_TGT_NODE_INFO:
1817 fdisc->u.fxiocb.flags =
1818 SRB_FXDISC_RESP_DMA_VALID | SRB_FXDISC_REQ_DWRD_VALID;
1819 fdisc->u.fxiocb.rsp_len = QLAFX00_TGT_NODE_INFO;
1820 fdisc->u.fxiocb.req_data = cpu_to_le32(fcport->tgt_id);
1822 case FXDISC_GET_TGT_NODE_LIST:
1823 fdisc->u.fxiocb.flags =
1824 SRB_FXDISC_RESP_DMA_VALID | SRB_FXDISC_REQ_DWRD_VALID;
1825 fdisc->u.fxiocb.rsp_len = QLAFX00_TGT_NODE_LIST_SIZE;
1827 case FXDISC_REG_HOST_INFO:
1828 fdisc->u.fxiocb.flags = SRB_FXDISC_REQ_DMA_VALID;
1829 fdisc->u.fxiocb.req_len = sizeof(struct register_host_info);
1830 p_sysid = utsname();
1832 ql_log(ql_log_warn, vha, 0x303c,
1833 "Not able to get the system information\n");
1837 case FXDISC_ABORT_IOCTL:
1842 if (fdisc->u.fxiocb.flags & SRB_FXDISC_REQ_DMA_VALID) {
1843 fdisc->u.fxiocb.req_addr = dma_alloc_coherent(&ha->pdev->dev,
1844 fdisc->u.fxiocb.req_len,
1845 &fdisc->u.fxiocb.req_dma_handle, GFP_KERNEL);
1846 if (!fdisc->u.fxiocb.req_addr)
1849 if (fx_type == FXDISC_REG_HOST_INFO) {
1850 preg_hsi = (struct register_host_info *)
1851 fdisc->u.fxiocb.req_addr;
1852 phost_info = &preg_hsi->hsi;
1853 memset(preg_hsi, 0, sizeof(struct register_host_info));
1854 phost_info->os_type = OS_TYPE_LINUX;
1855 strncpy(phost_info->sysname,
1856 p_sysid->sysname, SYSNAME_LENGTH);
1857 strncpy(phost_info->nodename,
1858 p_sysid->nodename, NODENAME_LENGTH);
1859 if (!strcmp(phost_info->nodename, "(none)"))
1860 ha->mr.host_info_resend = true;
1861 strncpy(phost_info->release,
1862 p_sysid->release, RELEASE_LENGTH);
1863 strncpy(phost_info->version,
1864 p_sysid->version, VERSION_LENGTH);
1865 strncpy(phost_info->machine,
1866 p_sysid->machine, MACHINE_LENGTH);
1867 strncpy(phost_info->domainname,
1868 p_sysid->domainname, DOMNAME_LENGTH);
1869 strncpy(phost_info->hostdriver,
1870 QLA2XXX_VERSION, VERSION_LENGTH);
1871 preg_hsi->utc = (uint64_t)ktime_get_real_seconds();
1872 ql_dbg(ql_dbg_init, vha, 0x0149,
1873 "ISP%04X: Host registration with firmware\n",
1875 ql_dbg(ql_dbg_init, vha, 0x014a,
1876 "os_type = '%d', sysname = '%s', nodname = '%s'\n",
1877 phost_info->os_type,
1878 phost_info->sysname,
1879 phost_info->nodename);
1880 ql_dbg(ql_dbg_init, vha, 0x014b,
1881 "release = '%s', version = '%s'\n",
1882 phost_info->release,
1883 phost_info->version);
1884 ql_dbg(ql_dbg_init, vha, 0x014c,
1886 "domainname = '%s', hostdriver = '%s'\n",
1887 phost_info->machine,
1888 phost_info->domainname,
1889 phost_info->hostdriver);
1890 ql_dump_buffer(ql_dbg_init + ql_dbg_disc, vha, 0x014d,
1891 (uint8_t *)phost_info,
1892 sizeof(struct host_system_info));
1896 if (fdisc->u.fxiocb.flags & SRB_FXDISC_RESP_DMA_VALID) {
1897 fdisc->u.fxiocb.rsp_addr = dma_alloc_coherent(&ha->pdev->dev,
1898 fdisc->u.fxiocb.rsp_len,
1899 &fdisc->u.fxiocb.rsp_dma_handle, GFP_KERNEL);
1900 if (!fdisc->u.fxiocb.rsp_addr)
1901 goto done_unmap_req;
1904 fdisc->timeout = qla2x00_fxdisc_iocb_timeout;
1905 fdisc->u.fxiocb.req_func_type = cpu_to_le16(fx_type);
1906 sp->done = qla2x00_fxdisc_sp_done;
1908 rval = qla2x00_start_sp(sp);
1909 if (rval != QLA_SUCCESS)
1910 goto done_unmap_dma;
1912 wait_for_completion(&fdisc->u.fxiocb.fxiocb_comp);
1914 if (fx_type == FXDISC_GET_CONFIG_INFO) {
1915 struct config_info_data *pinfo =
1916 (struct config_info_data *) fdisc->u.fxiocb.rsp_addr;
1917 strcpy(vha->hw->model_number, pinfo->model_num);
1918 strcpy(vha->hw->model_desc, pinfo->model_description);
1919 memcpy(&vha->hw->mr.symbolic_name, pinfo->symbolic_name,
1920 sizeof(vha->hw->mr.symbolic_name));
1921 memcpy(&vha->hw->mr.serial_num, pinfo->serial_num,
1922 sizeof(vha->hw->mr.serial_num));
1923 memcpy(&vha->hw->mr.hw_version, pinfo->hw_version,
1924 sizeof(vha->hw->mr.hw_version));
1925 memcpy(&vha->hw->mr.fw_version, pinfo->fw_version,
1926 sizeof(vha->hw->mr.fw_version));
1927 strim(vha->hw->mr.fw_version);
1928 memcpy(&vha->hw->mr.uboot_version, pinfo->uboot_version,
1929 sizeof(vha->hw->mr.uboot_version));
1930 memcpy(&vha->hw->mr.fru_serial_num, pinfo->fru_serial_num,
1931 sizeof(vha->hw->mr.fru_serial_num));
1932 vha->hw->mr.critical_temperature =
1933 (pinfo->nominal_temp_value) ?
1934 pinfo->nominal_temp_value : QLAFX00_CRITEMP_THRSHLD;
1935 ha->mr.extended_io_enabled = (pinfo->enabled_capabilities &
1936 QLAFX00_EXTENDED_IO_EN_MASK) != 0;
1937 } else if (fx_type == FXDISC_GET_PORT_INFO) {
1938 struct port_info_data *pinfo =
1939 (struct port_info_data *) fdisc->u.fxiocb.rsp_addr;
1940 memcpy(vha->node_name, pinfo->node_name, WWN_SIZE);
1941 memcpy(vha->port_name, pinfo->port_name, WWN_SIZE);
1942 vha->d_id.b.domain = pinfo->port_id[0];
1943 vha->d_id.b.area = pinfo->port_id[1];
1944 vha->d_id.b.al_pa = pinfo->port_id[2];
1945 qlafx00_update_host_attr(vha, pinfo);
1946 ql_dump_buffer(ql_dbg_init + ql_dbg_buffer, vha, 0x0141,
1947 (uint8_t *)pinfo, 16);
1948 } else if (fx_type == FXDISC_GET_TGT_NODE_INFO) {
1949 struct qlafx00_tgt_node_info *pinfo =
1950 (struct qlafx00_tgt_node_info *) fdisc->u.fxiocb.rsp_addr;
1951 memcpy(fcport->node_name, pinfo->tgt_node_wwnn, WWN_SIZE);
1952 memcpy(fcport->port_name, pinfo->tgt_node_wwpn, WWN_SIZE);
1953 fcport->port_type = FCT_TARGET;
1954 ql_dump_buffer(ql_dbg_init + ql_dbg_buffer, vha, 0x0144,
1955 (uint8_t *)pinfo, 16);
1956 } else if (fx_type == FXDISC_GET_TGT_NODE_LIST) {
1957 struct qlafx00_tgt_node_info *pinfo =
1958 (struct qlafx00_tgt_node_info *) fdisc->u.fxiocb.rsp_addr;
1959 ql_dump_buffer(ql_dbg_init + ql_dbg_buffer, vha, 0x0146,
1960 (uint8_t *)pinfo, 16);
1961 memcpy(vha->hw->gid_list, pinfo, QLAFX00_TGT_NODE_LIST_SIZE);
1962 } else if (fx_type == FXDISC_ABORT_IOCTL)
1963 fdisc->u.fxiocb.result =
1964 (fdisc->u.fxiocb.result ==
1965 cpu_to_le32(QLAFX00_IOCTL_ICOB_ABORT_SUCCESS)) ?
1966 cpu_to_le32(QLA_SUCCESS) : cpu_to_le32(QLA_FUNCTION_FAILED);
1968 rval = le32_to_cpu(fdisc->u.fxiocb.result);
1971 if (fdisc->u.fxiocb.rsp_addr)
1972 dma_free_coherent(&ha->pdev->dev, fdisc->u.fxiocb.rsp_len,
1973 fdisc->u.fxiocb.rsp_addr, fdisc->u.fxiocb.rsp_dma_handle);
1976 if (fdisc->u.fxiocb.req_addr)
1977 dma_free_coherent(&ha->pdev->dev, fdisc->u.fxiocb.req_len,
1978 fdisc->u.fxiocb.req_addr, fdisc->u.fxiocb.req_dma_handle);
1986 * qlafx00_initialize_adapter
1990 * ha = adapter block pointer.
1996 qlafx00_initialize_adapter(scsi_qla_host_t *vha)
1999 struct qla_hw_data *ha = vha->hw;
2002 /* Clear adapter flags. */
2003 vha->flags.online = 0;
2004 ha->flags.chip_reset_done = 0;
2005 vha->flags.reset_active = 0;
2006 ha->flags.pci_channel_io_perm_failure = 0;
2007 ha->flags.eeh_busy = 0;
2008 atomic_set(&vha->loop_down_timer, LOOP_DOWN_TIME);
2009 atomic_set(&vha->loop_state, LOOP_DOWN);
2010 vha->device_flags = DFLG_NO_CABLE;
2012 vha->flags.management_server_logged_in = 0;
2013 ha->isp_abort_cnt = 0;
2014 ha->beacon_blink_led = 0;
2016 set_bit(0, ha->req_qid_map);
2017 set_bit(0, ha->rsp_qid_map);
2019 ql_dbg(ql_dbg_init, vha, 0x0147,
2020 "Configuring PCI space...\n");
2022 rval = ha->isp_ops->pci_config(vha);
2024 ql_log(ql_log_warn, vha, 0x0148,
2025 "Unable to configure PCI space.\n");
2029 rval = qlafx00_init_fw_ready(vha);
2030 if (rval != QLA_SUCCESS)
2033 qlafx00_save_queue_ptrs(vha);
2035 rval = qlafx00_config_queues(vha);
2036 if (rval != QLA_SUCCESS)
2040 * Allocate the array of outstanding commands
2041 * now that we know the firmware resources.
2043 rval = qla2x00_alloc_outstanding_cmds(ha, vha->req);
2044 if (rval != QLA_SUCCESS)
2047 rval = qla2x00_init_rings(vha);
2048 ha->flags.chip_reset_done = 1;
2050 tempc = QLAFX00_GET_TEMPERATURE(ha);
2051 ql_dbg(ql_dbg_init, vha, 0x0152,
2052 "ISPFx00(%s): Critical temp timer, current SOC temperature: 0x%x\n",
2059 qlafx00_fw_state_show(struct device *dev, struct device_attribute *attr,
2062 scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
2063 int rval = QLA_FUNCTION_FAILED;
2066 if (qla2x00_reset_active(vha))
2067 ql_log(ql_log_warn, vha, 0x70ce,
2068 "ISP reset active.\n");
2069 else if (!vha->hw->flags.eeh_busy) {
2070 rval = qlafx00_get_firmware_state(vha, state);
2072 if (rval != QLA_SUCCESS)
2073 memset(state, -1, sizeof(state));
2079 qlafx00_get_host_speed(struct Scsi_Host *shost)
2081 struct qla_hw_data *ha = ((struct scsi_qla_host *)
2082 (shost_priv(shost)))->hw;
2083 u32 speed = FC_PORTSPEED_UNKNOWN;
2085 switch (ha->link_data_rate) {
2086 case QLAFX00_PORT_SPEED_2G:
2087 speed = FC_PORTSPEED_2GBIT;
2089 case QLAFX00_PORT_SPEED_4G:
2090 speed = FC_PORTSPEED_4GBIT;
2092 case QLAFX00_PORT_SPEED_8G:
2093 speed = FC_PORTSPEED_8GBIT;
2095 case QLAFX00_PORT_SPEED_10G:
2096 speed = FC_PORTSPEED_10GBIT;
2099 fc_host_speed(shost) = speed;
2102 /** QLAFX00 specific ISR implementation functions */
2105 qlafx00_handle_sense(srb_t *sp, uint8_t *sense_data, uint32_t par_sense_len,
2106 uint32_t sense_len, struct rsp_que *rsp, int res)
2108 struct scsi_qla_host *vha = sp->vha;
2109 struct scsi_cmnd *cp = GET_CMD_SP(sp);
2110 uint32_t track_sense_len;
2112 SET_FW_SENSE_LEN(sp, sense_len);
2114 if (sense_len >= SCSI_SENSE_BUFFERSIZE)
2115 sense_len = SCSI_SENSE_BUFFERSIZE;
2117 SET_CMD_SENSE_LEN(sp, sense_len);
2118 SET_CMD_SENSE_PTR(sp, cp->sense_buffer);
2119 track_sense_len = sense_len;
2121 if (sense_len > par_sense_len)
2122 sense_len = par_sense_len;
2124 memcpy(cp->sense_buffer, sense_data, sense_len);
2126 SET_FW_SENSE_LEN(sp, GET_FW_SENSE_LEN(sp) - sense_len);
2128 SET_CMD_SENSE_PTR(sp, cp->sense_buffer + sense_len);
2129 track_sense_len -= sense_len;
2130 SET_CMD_SENSE_LEN(sp, track_sense_len);
2132 ql_dbg(ql_dbg_io, vha, 0x304d,
2133 "sense_len=0x%x par_sense_len=0x%x track_sense_len=0x%x.\n",
2134 sense_len, par_sense_len, track_sense_len);
2135 if (GET_FW_SENSE_LEN(sp) > 0) {
2136 rsp->status_srb = sp;
2141 ql_dbg(ql_dbg_io + ql_dbg_buffer, vha, 0x3039,
2142 "Check condition Sense data, nexus%ld:%d:%llu cmd=%p.\n",
2143 sp->vha->host_no, cp->device->id, cp->device->lun,
2145 ql_dump_buffer(ql_dbg_io + ql_dbg_buffer, vha, 0x3049,
2146 cp->sense_buffer, sense_len);
2151 qlafx00_tm_iocb_entry(scsi_qla_host_t *vha, struct req_que *req,
2152 struct tsk_mgmt_entry_fx00 *pkt, srb_t *sp,
2153 __le16 sstatus, __le16 cpstatus)
2155 struct srb_iocb *tmf;
2157 tmf = &sp->u.iocb_cmd;
2158 if (cpstatus != cpu_to_le16((uint16_t)CS_COMPLETE) ||
2159 (sstatus & cpu_to_le16((uint16_t)SS_RESPONSE_INFO_LEN_VALID)))
2160 cpstatus = cpu_to_le16((uint16_t)CS_INCOMPLETE);
2161 tmf->u.tmf.comp_status = cpstatus;
2166 qlafx00_abort_iocb_entry(scsi_qla_host_t *vha, struct req_que *req,
2167 struct abort_iocb_entry_fx00 *pkt)
2169 const char func[] = "ABT_IOCB";
2171 struct srb_iocb *abt;
2173 sp = qla2x00_get_sp_from_handle(vha, func, req, pkt);
2177 abt = &sp->u.iocb_cmd;
2178 abt->u.abt.comp_status = pkt->tgt_id_sts;
2183 qlafx00_ioctl_iosb_entry(scsi_qla_host_t *vha, struct req_que *req,
2184 struct ioctl_iocb_entry_fx00 *pkt)
2186 const char func[] = "IOSB_IOCB";
2188 struct bsg_job *bsg_job;
2189 struct fc_bsg_reply *bsg_reply;
2190 struct srb_iocb *iocb_job;
2192 struct qla_mt_iocb_rsp_fx00 fstatus;
2193 uint8_t *fw_sts_ptr;
2195 sp = qla2x00_get_sp_from_handle(vha, func, req, pkt);
2199 if (sp->type == SRB_FXIOCB_DCMD) {
2200 iocb_job = &sp->u.iocb_cmd;
2201 iocb_job->u.fxiocb.seq_number = pkt->seq_no;
2202 iocb_job->u.fxiocb.fw_flags = pkt->fw_iotcl_flags;
2203 iocb_job->u.fxiocb.result = pkt->status;
2204 if (iocb_job->u.fxiocb.flags & SRB_FXDISC_RSP_DWRD_VALID)
2205 iocb_job->u.fxiocb.req_data =
2208 bsg_job = sp->u.bsg_job;
2209 bsg_reply = bsg_job->reply;
2211 memset(&fstatus, 0, sizeof(struct qla_mt_iocb_rsp_fx00));
2213 fstatus.reserved_1 = pkt->reserved_0;
2214 fstatus.func_type = pkt->comp_func_num;
2215 fstatus.ioctl_flags = pkt->fw_iotcl_flags;
2216 fstatus.ioctl_data = pkt->dataword_r;
2217 fstatus.adapid = pkt->adapid;
2218 fstatus.reserved_2 = pkt->dataword_r_extra;
2219 fstatus.res_count = pkt->residuallen;
2220 fstatus.status = pkt->status;
2221 fstatus.seq_number = pkt->seq_no;
2222 memcpy(fstatus.reserved_3,
2223 pkt->reserved_2, 20 * sizeof(uint8_t));
2225 fw_sts_ptr = ((uint8_t *)scsi_req(bsg_job->req)->sense) +
2226 sizeof(struct fc_bsg_reply);
2228 memcpy(fw_sts_ptr, (uint8_t *)&fstatus,
2229 sizeof(struct qla_mt_iocb_rsp_fx00));
2230 bsg_job->reply_len = sizeof(struct fc_bsg_reply) +
2231 sizeof(struct qla_mt_iocb_rsp_fx00) + sizeof(uint8_t);
2233 ql_dump_buffer(ql_dbg_user + ql_dbg_verbose,
2234 sp->fcport->vha, 0x5080,
2235 (uint8_t *)pkt, sizeof(struct ioctl_iocb_entry_fx00));
2237 ql_dump_buffer(ql_dbg_user + ql_dbg_verbose,
2238 sp->fcport->vha, 0x5074,
2239 (uint8_t *)fw_sts_ptr, sizeof(struct qla_mt_iocb_rsp_fx00));
2241 res = bsg_reply->result = DID_OK << 16;
2242 bsg_reply->reply_payload_rcv_len =
2243 bsg_job->reply_payload.payload_len;
2249 * qlafx00_status_entry() - Process a Status IOCB entry.
2250 * @ha: SCSI driver HA context
2251 * @pkt: Entry pointer
2254 qlafx00_status_entry(scsi_qla_host_t *vha, struct rsp_que *rsp, void *pkt)
2258 struct scsi_cmnd *cp;
2259 struct sts_entry_fx00 *sts;
2262 __le16 lscsi_status;
2264 uint32_t sense_len, par_sense_len, rsp_info_len, resid_len,
2266 uint8_t *rsp_info = NULL, *sense_data = NULL;
2267 struct qla_hw_data *ha = vha->hw;
2268 uint32_t hindex, handle;
2270 struct req_que *req;
2274 sts = (struct sts_entry_fx00 *) pkt;
2276 comp_status = sts->comp_status;
2277 scsi_status = sts->scsi_status & cpu_to_le16((uint16_t)SS_MASK);
2278 hindex = sts->handle;
2279 handle = LSW(hindex);
2282 req = ha->req_q_map[que];
2284 /* Validate handle. */
2285 if (handle < req->num_outstanding_cmds)
2286 sp = req->outstanding_cmds[handle];
2291 ql_dbg(ql_dbg_io, vha, 0x3034,
2292 "Invalid status handle (0x%x).\n", handle);
2294 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
2295 qla2xxx_wake_dpc(vha);
2299 if (sp->type == SRB_TM_CMD) {
2300 req->outstanding_cmds[handle] = NULL;
2301 qlafx00_tm_iocb_entry(vha, req, pkt, sp,
2302 scsi_status, comp_status);
2306 /* Fast path completion. */
2307 if (comp_status == CS_COMPLETE && scsi_status == 0) {
2308 qla2x00_process_completed_request(vha, req, handle);
2312 req->outstanding_cmds[handle] = NULL;
2313 cp = GET_CMD_SP(sp);
2315 ql_dbg(ql_dbg_io, vha, 0x3048,
2316 "Command already returned (0x%x/%p).\n",
2322 lscsi_status = scsi_status & cpu_to_le16((uint16_t)STATUS_MASK);
2324 fcport = sp->fcport;
2326 sense_len = par_sense_len = rsp_info_len = resid_len =
2328 if (scsi_status & cpu_to_le16((uint16_t)SS_SENSE_LEN_VALID))
2329 sense_len = sts->sense_len;
2330 if (scsi_status & cpu_to_le16(((uint16_t)SS_RESIDUAL_UNDER
2331 | (uint16_t)SS_RESIDUAL_OVER)))
2332 resid_len = le32_to_cpu(sts->residual_len);
2333 if (comp_status == cpu_to_le16((uint16_t)CS_DATA_UNDERRUN))
2334 fw_resid_len = le32_to_cpu(sts->residual_len);
2335 rsp_info = sense_data = sts->data;
2336 par_sense_len = sizeof(sts->data);
2338 /* Check for overrun. */
2339 if (comp_status == CS_COMPLETE &&
2340 scsi_status & cpu_to_le16((uint16_t)SS_RESIDUAL_OVER))
2341 comp_status = cpu_to_le16((uint16_t)CS_DATA_OVERRUN);
2344 * Based on Host and scsi status generate status code for Linux
2346 switch (le16_to_cpu(comp_status)) {
2349 if (scsi_status == 0) {
2353 if (scsi_status & cpu_to_le16(((uint16_t)SS_RESIDUAL_UNDER
2354 | (uint16_t)SS_RESIDUAL_OVER))) {
2356 scsi_set_resid(cp, resid);
2358 if (!lscsi_status &&
2359 ((unsigned)(scsi_bufflen(cp) - resid) <
2361 ql_dbg(ql_dbg_io, fcport->vha, 0x3050,
2362 "Mid-layer underflow "
2363 "detected (0x%x of 0x%x bytes).\n",
2364 resid, scsi_bufflen(cp));
2366 res = DID_ERROR << 16;
2370 res = DID_OK << 16 | le16_to_cpu(lscsi_status);
2373 cpu_to_le16((uint16_t)SAM_STAT_TASK_SET_FULL)) {
2374 ql_dbg(ql_dbg_io, fcport->vha, 0x3051,
2375 "QUEUE FULL detected.\n");
2379 if (lscsi_status != cpu_to_le16((uint16_t)SS_CHECK_CONDITION))
2382 memset(cp->sense_buffer, 0, SCSI_SENSE_BUFFERSIZE);
2383 if (!(scsi_status & cpu_to_le16((uint16_t)SS_SENSE_LEN_VALID)))
2386 qlafx00_handle_sense(sp, sense_data, par_sense_len, sense_len,
2390 case CS_DATA_UNDERRUN:
2391 /* Use F/W calculated residual length. */
2392 if (IS_FWI2_CAPABLE(ha) || IS_QLAFX00(ha))
2393 resid = fw_resid_len;
2396 scsi_set_resid(cp, resid);
2397 if (scsi_status & cpu_to_le16((uint16_t)SS_RESIDUAL_UNDER)) {
2398 if ((IS_FWI2_CAPABLE(ha) || IS_QLAFX00(ha))
2399 && fw_resid_len != resid_len) {
2400 ql_dbg(ql_dbg_io, fcport->vha, 0x3052,
2401 "Dropped frame(s) detected "
2402 "(0x%x of 0x%x bytes).\n",
2403 resid, scsi_bufflen(cp));
2405 res = DID_ERROR << 16 |
2406 le16_to_cpu(lscsi_status);
2407 goto check_scsi_status;
2410 if (!lscsi_status &&
2411 ((unsigned)(scsi_bufflen(cp) - resid) <
2413 ql_dbg(ql_dbg_io, fcport->vha, 0x3053,
2414 "Mid-layer underflow "
2415 "detected (0x%x of 0x%x bytes, "
2416 "cp->underflow: 0x%x).\n",
2417 resid, scsi_bufflen(cp), cp->underflow);
2419 res = DID_ERROR << 16;
2422 } else if (lscsi_status !=
2423 cpu_to_le16((uint16_t)SAM_STAT_TASK_SET_FULL) &&
2424 lscsi_status != cpu_to_le16((uint16_t)SAM_STAT_BUSY)) {
2426 * scsi status of task set and busy are considered
2427 * to be task not completed.
2430 ql_dbg(ql_dbg_io, fcport->vha, 0x3054,
2431 "Dropped frame(s) detected (0x%x "
2432 "of 0x%x bytes).\n", resid,
2435 res = DID_ERROR << 16 | le16_to_cpu(lscsi_status);
2436 goto check_scsi_status;
2438 ql_dbg(ql_dbg_io, fcport->vha, 0x3055,
2439 "scsi_status: 0x%x, lscsi_status: 0x%x\n",
2440 scsi_status, lscsi_status);
2443 res = DID_OK << 16 | le16_to_cpu(lscsi_status);
2448 * Check to see if SCSI Status is non zero. If so report SCSI
2451 if (lscsi_status != 0) {
2453 cpu_to_le16((uint16_t)SAM_STAT_TASK_SET_FULL)) {
2454 ql_dbg(ql_dbg_io, fcport->vha, 0x3056,
2455 "QUEUE FULL detected.\n");
2460 cpu_to_le16((uint16_t)SS_CHECK_CONDITION))
2463 memset(cp->sense_buffer, 0, SCSI_SENSE_BUFFERSIZE);
2465 cpu_to_le16((uint16_t)SS_SENSE_LEN_VALID)))
2468 qlafx00_handle_sense(sp, sense_data, par_sense_len,
2469 sense_len, rsp, res);
2473 case CS_PORT_LOGGED_OUT:
2474 case CS_PORT_CONFIG_CHG:
2477 case CS_PORT_UNAVAILABLE:
2482 * We are going to have the fc class block the rport
2483 * while we try to recover so instruct the mid layer
2484 * to requeue until the class decides how to handle this.
2486 res = DID_TRANSPORT_DISRUPTED << 16;
2488 ql_dbg(ql_dbg_io, fcport->vha, 0x3057,
2489 "Port down status: port-state=0x%x.\n",
2490 atomic_read(&fcport->state));
2492 if (atomic_read(&fcport->state) == FCS_ONLINE)
2493 qla2x00_mark_device_lost(fcport->vha, fcport, 1, 1);
2497 res = DID_RESET << 16;
2501 res = DID_ERROR << 16;
2506 ql_dbg(ql_dbg_io, fcport->vha, 0x3058,
2507 "FCP command status: 0x%x-0x%x (0x%x) nexus=%ld:%d:%llu "
2508 "tgt_id: 0x%x lscsi_status: 0x%x cdb=%10phN len=0x%x "
2509 "rsp_info=%p resid=0x%x fw_resid=0x%x sense_len=0x%x, "
2510 "par_sense_len=0x%x, rsp_info_len=0x%x\n",
2511 comp_status, scsi_status, res, vha->host_no,
2512 cp->device->id, cp->device->lun, fcport->tgt_id,
2513 lscsi_status, cp->cmnd, scsi_bufflen(cp),
2514 rsp_info, resid_len, fw_resid_len, sense_len,
2515 par_sense_len, rsp_info_len);
2517 if (rsp->status_srb == NULL)
2522 * qlafx00_status_cont_entry() - Process a Status Continuations entry.
2523 * @ha: SCSI driver HA context
2524 * @pkt: Entry pointer
2526 * Extended sense data.
2529 qlafx00_status_cont_entry(struct rsp_que *rsp, sts_cont_entry_t *pkt)
2531 uint8_t sense_sz = 0;
2532 struct qla_hw_data *ha = rsp->hw;
2533 struct scsi_qla_host *vha = pci_get_drvdata(ha->pdev);
2534 srb_t *sp = rsp->status_srb;
2535 struct scsi_cmnd *cp;
2540 ql_dbg(ql_dbg_io, vha, 0x3037,
2541 "no SP, sp = %p\n", sp);
2545 if (!GET_FW_SENSE_LEN(sp)) {
2546 ql_dbg(ql_dbg_io, vha, 0x304b,
2547 "no fw sense data, sp = %p\n", sp);
2550 cp = GET_CMD_SP(sp);
2552 ql_log(ql_log_warn, vha, 0x303b,
2553 "cmd is NULL: already returned to OS (sp=%p).\n", sp);
2555 rsp->status_srb = NULL;
2559 if (!GET_CMD_SENSE_LEN(sp)) {
2560 ql_dbg(ql_dbg_io, vha, 0x304c,
2561 "no sense data, sp = %p\n", sp);
2563 sense_len = GET_CMD_SENSE_LEN(sp);
2564 sense_ptr = GET_CMD_SENSE_PTR(sp);
2565 ql_dbg(ql_dbg_io, vha, 0x304f,
2566 "sp=%p sense_len=0x%x sense_ptr=%p.\n",
2567 sp, sense_len, sense_ptr);
2569 if (sense_len > sizeof(pkt->data))
2570 sense_sz = sizeof(pkt->data);
2572 sense_sz = sense_len;
2574 /* Move sense data. */
2575 ql_dump_buffer(ql_dbg_io + ql_dbg_buffer, vha, 0x304e,
2576 (uint8_t *)pkt, sizeof(sts_cont_entry_t));
2577 memcpy(sense_ptr, pkt->data, sense_sz);
2578 ql_dump_buffer(ql_dbg_io + ql_dbg_buffer, vha, 0x304a,
2579 sense_ptr, sense_sz);
2581 sense_len -= sense_sz;
2582 sense_ptr += sense_sz;
2584 SET_CMD_SENSE_PTR(sp, sense_ptr);
2585 SET_CMD_SENSE_LEN(sp, sense_len);
2587 sense_len = GET_FW_SENSE_LEN(sp);
2588 sense_len = (sense_len > sizeof(pkt->data)) ?
2589 (sense_len - sizeof(pkt->data)) : 0;
2590 SET_FW_SENSE_LEN(sp, sense_len);
2592 /* Place command on done queue. */
2593 if (sense_len == 0) {
2594 rsp->status_srb = NULL;
2595 sp->done(sp, cp->result);
2600 * qlafx00_multistatus_entry() - Process Multi response queue entries.
2601 * @ha: SCSI driver HA context
2604 qlafx00_multistatus_entry(struct scsi_qla_host *vha,
2605 struct rsp_que *rsp, void *pkt)
2608 struct multi_sts_entry_fx00 *stsmfx;
2609 struct qla_hw_data *ha = vha->hw;
2610 uint32_t handle, hindex, handle_count, i;
2612 struct req_que *req;
2615 stsmfx = (struct multi_sts_entry_fx00 *) pkt;
2617 handle_count = stsmfx->handle_count;
2619 if (handle_count > MAX_HANDLE_COUNT) {
2620 ql_dbg(ql_dbg_io, vha, 0x3035,
2621 "Invalid handle count (0x%x).\n", handle_count);
2622 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
2623 qla2xxx_wake_dpc(vha);
2627 handle_ptr = &stsmfx->handles[0];
2629 for (i = 0; i < handle_count; i++) {
2630 hindex = le32_to_cpu(*handle_ptr);
2631 handle = LSW(hindex);
2633 req = ha->req_q_map[que];
2635 /* Validate handle. */
2636 if (handle < req->num_outstanding_cmds)
2637 sp = req->outstanding_cmds[handle];
2642 ql_dbg(ql_dbg_io, vha, 0x3044,
2643 "Invalid status handle (0x%x).\n", handle);
2644 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
2645 qla2xxx_wake_dpc(vha);
2648 qla2x00_process_completed_request(vha, req, handle);
2654 * qlafx00_error_entry() - Process an error entry.
2655 * @ha: SCSI driver HA context
2656 * @pkt: Entry pointer
2659 qlafx00_error_entry(scsi_qla_host_t *vha, struct rsp_que *rsp,
2660 struct sts_entry_fx00 *pkt, uint8_t estatus, uint8_t etype)
2663 struct qla_hw_data *ha = vha->hw;
2664 const char func[] = "ERROR-IOCB";
2666 struct req_que *req = NULL;
2667 int res = DID_ERROR << 16;
2669 ql_dbg(ql_dbg_async, vha, 0x507f,
2670 "type of error status in response: 0x%x\n", estatus);
2672 req = ha->req_q_map[que];
2674 sp = qla2x00_get_sp_from_handle(vha, func, req, pkt);
2680 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
2681 qla2xxx_wake_dpc(vha);
2685 * qlafx00_process_response_queue() - Process response queue entries.
2686 * @ha: SCSI driver HA context
2689 qlafx00_process_response_queue(struct scsi_qla_host *vha,
2690 struct rsp_que *rsp)
2692 struct sts_entry_fx00 *pkt;
2694 uint16_t lreq_q_in = 0;
2695 uint16_t lreq_q_out = 0;
2697 lreq_q_in = RD_REG_DWORD(rsp->rsp_q_in);
2698 lreq_q_out = rsp->ring_index;
2700 while (lreq_q_in != lreq_q_out) {
2701 lptr = rsp->ring_ptr;
2702 memcpy_fromio(rsp->rsp_pkt, (void __iomem *)lptr,
2703 sizeof(rsp->rsp_pkt));
2704 pkt = (struct sts_entry_fx00 *)rsp->rsp_pkt;
2708 if (rsp->ring_index == rsp->length) {
2710 rsp->ring_index = 0;
2711 rsp->ring_ptr = rsp->ring;
2716 if (pkt->entry_status != 0 &&
2717 pkt->entry_type != IOCTL_IOSB_TYPE_FX00) {
2718 qlafx00_error_entry(vha, rsp,
2719 (struct sts_entry_fx00 *)pkt, pkt->entry_status,
2724 switch (pkt->entry_type) {
2725 case STATUS_TYPE_FX00:
2726 qlafx00_status_entry(vha, rsp, pkt);
2729 case STATUS_CONT_TYPE_FX00:
2730 qlafx00_status_cont_entry(rsp, (sts_cont_entry_t *)pkt);
2733 case MULTI_STATUS_TYPE_FX00:
2734 qlafx00_multistatus_entry(vha, rsp, pkt);
2737 case ABORT_IOCB_TYPE_FX00:
2738 qlafx00_abort_iocb_entry(vha, rsp->req,
2739 (struct abort_iocb_entry_fx00 *)pkt);
2742 case IOCTL_IOSB_TYPE_FX00:
2743 qlafx00_ioctl_iosb_entry(vha, rsp->req,
2744 (struct ioctl_iocb_entry_fx00 *)pkt);
2747 /* Type Not Supported. */
2748 ql_dbg(ql_dbg_async, vha, 0x5081,
2749 "Received unknown response pkt type %x "
2750 "entry status=%x.\n",
2751 pkt->entry_type, pkt->entry_status);
2756 /* Adjust ring index */
2757 WRT_REG_DWORD(rsp->rsp_q_out, rsp->ring_index);
2761 * qlafx00_async_event() - Process aynchronous events.
2762 * @ha: SCSI driver HA context
2765 qlafx00_async_event(scsi_qla_host_t *vha)
2767 struct qla_hw_data *ha = vha->hw;
2768 struct device_reg_fx00 __iomem *reg;
2771 reg = &ha->iobase->ispfx00;
2772 /* Setup to process RIO completion. */
2773 switch (ha->aenmb[0]) {
2774 case QLAFX00_MBA_SYSTEM_ERR: /* System Error */
2775 ql_log(ql_log_warn, vha, 0x5079,
2776 "ISP System Error - mbx1=%x\n", ha->aenmb[0]);
2777 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
2780 case QLAFX00_MBA_SHUTDOWN_RQSTD: /* Shutdown requested */
2781 ql_dbg(ql_dbg_async, vha, 0x5076,
2782 "Asynchronous FW shutdown requested.\n");
2783 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
2784 qla2xxx_wake_dpc(vha);
2787 case QLAFX00_MBA_PORT_UPDATE: /* Port database update */
2788 ha->aenmb[1] = RD_REG_DWORD(®->aenmailbox1);
2789 ha->aenmb[2] = RD_REG_DWORD(®->aenmailbox2);
2790 ha->aenmb[3] = RD_REG_DWORD(®->aenmailbox3);
2791 ql_dbg(ql_dbg_async, vha, 0x5077,
2792 "Asynchronous port Update received "
2793 "aenmb[0]: %x, aenmb[1]: %x, aenmb[2]: %x, aenmb[3]: %x\n",
2794 ha->aenmb[0], ha->aenmb[1], ha->aenmb[2], ha->aenmb[3]);
2798 case QLAFX00_MBA_TEMP_OVER: /* Over temperature event */
2799 ql_log(ql_log_info, vha, 0x5085,
2800 "Asynchronous over temperature event received "
2805 case QLAFX00_MBA_TEMP_NORM: /* Normal temperature event */
2806 ql_log(ql_log_info, vha, 0x5086,
2807 "Asynchronous normal temperature event received "
2812 case QLAFX00_MBA_TEMP_CRIT: /* Critical temperature event */
2813 ql_log(ql_log_info, vha, 0x5083,
2814 "Asynchronous critical temperature event received "
2820 ha->aenmb[1] = RD_REG_WORD(®->aenmailbox1);
2821 ha->aenmb[2] = RD_REG_WORD(®->aenmailbox2);
2822 ha->aenmb[3] = RD_REG_WORD(®->aenmailbox3);
2823 ha->aenmb[4] = RD_REG_WORD(®->aenmailbox4);
2824 ha->aenmb[5] = RD_REG_WORD(®->aenmailbox5);
2825 ha->aenmb[6] = RD_REG_WORD(®->aenmailbox6);
2826 ha->aenmb[7] = RD_REG_WORD(®->aenmailbox7);
2827 ql_dbg(ql_dbg_async, vha, 0x5078,
2828 "AEN:%04x %04x %04x %04x :%04x %04x %04x %04x\n",
2829 ha->aenmb[0], ha->aenmb[1], ha->aenmb[2], ha->aenmb[3],
2830 ha->aenmb[4], ha->aenmb[5], ha->aenmb[6], ha->aenmb[7]);
2833 qlafx00_post_aenfx_work(vha, ha->aenmb[0],
2834 (uint32_t *)ha->aenmb, data_size);
2839 * qlafx00x_mbx_completion() - Process mailbox command completions.
2840 * @ha: SCSI driver HA context
2841 * @mb16: Mailbox16 register
2844 qlafx00_mbx_completion(scsi_qla_host_t *vha, uint32_t mb0)
2847 uint32_t __iomem *wptr;
2848 struct qla_hw_data *ha = vha->hw;
2849 struct device_reg_fx00 __iomem *reg = &ha->iobase->ispfx00;
2852 ql_dbg(ql_dbg_async, vha, 0x507e, "MBX pointer ERROR.\n");
2854 /* Load return mailbox registers. */
2855 ha->flags.mbox_int = 1;
2856 ha->mailbox_out32[0] = mb0;
2857 wptr = (uint32_t __iomem *)®->mailbox17;
2859 for (cnt = 1; cnt < ha->mbx_count; cnt++) {
2860 ha->mailbox_out32[cnt] = RD_REG_DWORD(wptr);
2866 * qlafx00_intr_handler() - Process interrupts for the ISPFX00.
2868 * @dev_id: SCSI driver HA context
2870 * Called by system whenever the host adapter generates an interrupt.
2872 * Returns handled flag.
2875 qlafx00_intr_handler(int irq, void *dev_id)
2877 scsi_qla_host_t *vha;
2878 struct qla_hw_data *ha;
2879 struct device_reg_fx00 __iomem *reg;
2884 struct rsp_que *rsp;
2885 unsigned long flags;
2886 uint32_t clr_intr = 0;
2887 uint32_t intr_stat = 0;
2889 rsp = (struct rsp_que *) dev_id;
2891 ql_log(ql_log_info, NULL, 0x507d,
2892 "%s: NULL response queue pointer.\n", __func__);
2897 reg = &ha->iobase->ispfx00;
2900 if (unlikely(pci_channel_offline(ha->pdev)))
2903 spin_lock_irqsave(&ha->hardware_lock, flags);
2904 vha = pci_get_drvdata(ha->pdev);
2905 for (iter = 50; iter--; clr_intr = 0) {
2906 stat = QLAFX00_RD_INTR_REG(ha);
2907 if (qla2x00_check_reg32_for_disconnect(vha, stat))
2909 intr_stat = stat & QLAFX00_HST_INT_STS_BITS;
2913 if (stat & QLAFX00_INTR_MB_CMPLT) {
2914 mb[0] = RD_REG_WORD(®->mailbox16);
2915 qlafx00_mbx_completion(vha, mb[0]);
2916 status |= MBX_INTERRUPT;
2917 clr_intr |= QLAFX00_INTR_MB_CMPLT;
2919 if (intr_stat & QLAFX00_INTR_ASYNC_CMPLT) {
2920 ha->aenmb[0] = RD_REG_WORD(®->aenmailbox0);
2921 qlafx00_async_event(vha);
2922 clr_intr |= QLAFX00_INTR_ASYNC_CMPLT;
2924 if (intr_stat & QLAFX00_INTR_RSP_CMPLT) {
2925 qlafx00_process_response_queue(vha, rsp);
2926 clr_intr |= QLAFX00_INTR_RSP_CMPLT;
2929 QLAFX00_CLR_INTR_REG(ha, clr_intr);
2930 QLAFX00_RD_INTR_REG(ha);
2933 qla2x00_handle_mbx_completion(ha, status);
2934 spin_unlock_irqrestore(&ha->hardware_lock, flags);
2939 /** QLAFX00 specific IOCB implementation functions */
2941 static inline cont_a64_entry_t *
2942 qlafx00_prep_cont_type1_iocb(struct req_que *req,
2943 cont_a64_entry_t *lcont_pkt)
2945 cont_a64_entry_t *cont_pkt;
2947 /* Adjust ring index. */
2949 if (req->ring_index == req->length) {
2950 req->ring_index = 0;
2951 req->ring_ptr = req->ring;
2956 cont_pkt = (cont_a64_entry_t *)req->ring_ptr;
2958 /* Load packet defaults. */
2959 lcont_pkt->entry_type = CONTINUE_A64_TYPE_FX00;
2965 qlafx00_build_scsi_iocbs(srb_t *sp, struct cmd_type_7_fx00 *cmd_pkt,
2966 uint16_t tot_dsds, struct cmd_type_7_fx00 *lcmd_pkt)
2968 uint16_t avail_dsds;
2970 scsi_qla_host_t *vha;
2971 struct scsi_cmnd *cmd;
2972 struct scatterlist *sg;
2974 struct req_que *req;
2975 cont_a64_entry_t lcont_pkt;
2976 cont_a64_entry_t *cont_pkt;
2981 cmd = GET_CMD_SP(sp);
2985 /* Update entry type to indicate Command Type 3 IOCB */
2986 lcmd_pkt->entry_type = FX00_COMMAND_TYPE_7;
2988 /* No data transfer */
2989 if (!scsi_bufflen(cmd) || cmd->sc_data_direction == DMA_NONE) {
2990 lcmd_pkt->byte_count = cpu_to_le32(0);
2994 /* Set transfer direction */
2995 if (cmd->sc_data_direction == DMA_TO_DEVICE) {
2996 lcmd_pkt->cntrl_flags = TMF_WRITE_DATA;
2997 vha->qla_stats.output_bytes += scsi_bufflen(cmd);
2998 } else if (cmd->sc_data_direction == DMA_FROM_DEVICE) {
2999 lcmd_pkt->cntrl_flags = TMF_READ_DATA;
3000 vha->qla_stats.input_bytes += scsi_bufflen(cmd);
3003 /* One DSD is available in the Command Type 3 IOCB */
3005 cur_dsd = (__le32 *)&lcmd_pkt->dseg_0_address;
3007 /* Load data segments */
3008 scsi_for_each_sg(cmd, sg, tot_dsds, i) {
3011 /* Allocate additional continuation packets? */
3012 if (avail_dsds == 0) {
3014 * Five DSDs are available in the Continuation
3017 memset(&lcont_pkt, 0, REQUEST_ENTRY_SIZE);
3019 qlafx00_prep_cont_type1_iocb(req, &lcont_pkt);
3020 cur_dsd = (__le32 *)lcont_pkt.dseg_0_address;
3025 sle_dma = sg_dma_address(sg);
3026 *cur_dsd++ = cpu_to_le32(LSD(sle_dma));
3027 *cur_dsd++ = cpu_to_le32(MSD(sle_dma));
3028 *cur_dsd++ = cpu_to_le32(sg_dma_len(sg));
3030 if (avail_dsds == 0 && cont == 1) {
3032 memcpy_toio((void __iomem *)cont_pkt, &lcont_pkt,
3033 REQUEST_ENTRY_SIZE);
3037 if (avail_dsds != 0 && cont == 1) {
3038 memcpy_toio((void __iomem *)cont_pkt, &lcont_pkt,
3039 REQUEST_ENTRY_SIZE);
3044 * qlafx00_start_scsi() - Send a SCSI command to the ISP
3045 * @sp: command to send to the ISP
3047 * Returns non-zero if a failure occurred, else zero.
3050 qlafx00_start_scsi(srb_t *sp)
3053 unsigned long flags;
3059 struct req_que *req = NULL;
3060 struct rsp_que *rsp = NULL;
3061 struct scsi_cmnd *cmd = GET_CMD_SP(sp);
3062 struct scsi_qla_host *vha = sp->vha;
3063 struct qla_hw_data *ha = vha->hw;
3064 struct cmd_type_7_fx00 *cmd_pkt;
3065 struct cmd_type_7_fx00 lcmd_pkt;
3066 struct scsi_lun llun;
3068 /* Setup device pointers. */
3069 rsp = ha->rsp_q_map[0];
3072 /* So we know we haven't pci_map'ed anything yet */
3075 /* Acquire ring specific lock */
3076 spin_lock_irqsave(&ha->hardware_lock, flags);
3078 /* Check for room in outstanding command list. */
3079 handle = req->current_outstanding_cmd;
3080 for (index = 1; index < req->num_outstanding_cmds; index++) {
3082 if (handle == req->num_outstanding_cmds)
3084 if (!req->outstanding_cmds[handle])
3087 if (index == req->num_outstanding_cmds)
3090 /* Map the sg table so we have an accurate count of sg entries needed */
3091 if (scsi_sg_count(cmd)) {
3092 nseg = dma_map_sg(&ha->pdev->dev, scsi_sglist(cmd),
3093 scsi_sg_count(cmd), cmd->sc_data_direction);
3094 if (unlikely(!nseg))
3100 req_cnt = qla24xx_calc_iocbs(vha, tot_dsds);
3101 if (req->cnt < (req_cnt + 2)) {
3102 cnt = RD_REG_DWORD_RELAXED(req->req_q_out);
3104 if (req->ring_index < cnt)
3105 req->cnt = cnt - req->ring_index;
3107 req->cnt = req->length -
3108 (req->ring_index - cnt);
3109 if (req->cnt < (req_cnt + 2))
3113 /* Build command packet. */
3114 req->current_outstanding_cmd = handle;
3115 req->outstanding_cmds[handle] = sp;
3116 sp->handle = handle;
3117 cmd->host_scribble = (unsigned char *)(unsigned long)handle;
3118 req->cnt -= req_cnt;
3120 cmd_pkt = (struct cmd_type_7_fx00 *)req->ring_ptr;
3122 memset(&lcmd_pkt, 0, REQUEST_ENTRY_SIZE);
3124 lcmd_pkt.handle = MAKE_HANDLE(req->id, sp->handle);
3125 lcmd_pkt.reserved_0 = 0;
3126 lcmd_pkt.port_path_ctrl = 0;
3127 lcmd_pkt.reserved_1 = 0;
3128 lcmd_pkt.dseg_count = cpu_to_le16(tot_dsds);
3129 lcmd_pkt.tgt_idx = cpu_to_le16(sp->fcport->tgt_id);
3131 int_to_scsilun(cmd->device->lun, &llun);
3132 host_to_adap((uint8_t *)&llun, (uint8_t *)&lcmd_pkt.lun,
3133 sizeof(lcmd_pkt.lun));
3135 /* Load SCSI command packet. */
3136 host_to_adap(cmd->cmnd, lcmd_pkt.fcp_cdb, sizeof(lcmd_pkt.fcp_cdb));
3137 lcmd_pkt.byte_count = cpu_to_le32((uint32_t)scsi_bufflen(cmd));
3139 /* Build IOCB segments */
3140 qlafx00_build_scsi_iocbs(sp, cmd_pkt, tot_dsds, &lcmd_pkt);
3142 /* Set total data segment count. */
3143 lcmd_pkt.entry_count = (uint8_t)req_cnt;
3145 /* Specify response queue number where completion should happen */
3146 lcmd_pkt.entry_status = (uint8_t) rsp->id;
3148 ql_dump_buffer(ql_dbg_io + ql_dbg_buffer, vha, 0x302e,
3149 (uint8_t *)cmd->cmnd, cmd->cmd_len);
3150 ql_dump_buffer(ql_dbg_io + ql_dbg_buffer, vha, 0x3032,
3151 (uint8_t *)&lcmd_pkt, REQUEST_ENTRY_SIZE);
3153 memcpy_toio((void __iomem *)cmd_pkt, &lcmd_pkt, REQUEST_ENTRY_SIZE);
3156 /* Adjust ring index. */
3158 if (req->ring_index == req->length) {
3159 req->ring_index = 0;
3160 req->ring_ptr = req->ring;
3164 sp->flags |= SRB_DMA_VALID;
3166 /* Set chip new ring index. */
3167 WRT_REG_DWORD(req->req_q_in, req->ring_index);
3168 QLAFX00_SET_HST_INTR(ha, ha->rqstq_intr_code);
3170 spin_unlock_irqrestore(&ha->hardware_lock, flags);
3175 scsi_dma_unmap(cmd);
3177 spin_unlock_irqrestore(&ha->hardware_lock, flags);
3179 return QLA_FUNCTION_FAILED;
3183 qlafx00_tm_iocb(srb_t *sp, struct tsk_mgmt_entry_fx00 *ptm_iocb)
3185 struct srb_iocb *fxio = &sp->u.iocb_cmd;
3186 scsi_qla_host_t *vha = sp->vha;
3187 struct req_que *req = vha->req;
3188 struct tsk_mgmt_entry_fx00 tm_iocb;
3189 struct scsi_lun llun;
3191 memset(&tm_iocb, 0, sizeof(struct tsk_mgmt_entry_fx00));
3192 tm_iocb.entry_type = TSK_MGMT_IOCB_TYPE_FX00;
3193 tm_iocb.entry_count = 1;
3194 tm_iocb.handle = cpu_to_le32(MAKE_HANDLE(req->id, sp->handle));
3195 tm_iocb.reserved_0 = 0;
3196 tm_iocb.tgt_id = cpu_to_le16(sp->fcport->tgt_id);
3197 tm_iocb.control_flags = cpu_to_le32(fxio->u.tmf.flags);
3198 if (tm_iocb.control_flags == cpu_to_le32((uint32_t)TCF_LUN_RESET)) {
3199 int_to_scsilun(fxio->u.tmf.lun, &llun);
3200 host_to_adap((uint8_t *)&llun, (uint8_t *)&tm_iocb.lun,
3201 sizeof(struct scsi_lun));
3204 memcpy((void *)ptm_iocb, &tm_iocb,
3205 sizeof(struct tsk_mgmt_entry_fx00));
3210 qlafx00_abort_iocb(srb_t *sp, struct abort_iocb_entry_fx00 *pabt_iocb)
3212 struct srb_iocb *fxio = &sp->u.iocb_cmd;
3213 scsi_qla_host_t *vha = sp->vha;
3214 struct req_que *req = vha->req;
3215 struct abort_iocb_entry_fx00 abt_iocb;
3217 memset(&abt_iocb, 0, sizeof(struct abort_iocb_entry_fx00));
3218 abt_iocb.entry_type = ABORT_IOCB_TYPE_FX00;
3219 abt_iocb.entry_count = 1;
3220 abt_iocb.handle = cpu_to_le32(MAKE_HANDLE(req->id, sp->handle));
3221 abt_iocb.abort_handle =
3222 cpu_to_le32(MAKE_HANDLE(req->id, fxio->u.abt.cmd_hndl));
3223 abt_iocb.tgt_id_sts = cpu_to_le16(sp->fcport->tgt_id);
3224 abt_iocb.req_que_no = cpu_to_le16(req->id);
3226 memcpy((void *)pabt_iocb, &abt_iocb,
3227 sizeof(struct abort_iocb_entry_fx00));
3232 qlafx00_fxdisc_iocb(srb_t *sp, struct fxdisc_entry_fx00 *pfxiocb)
3234 struct srb_iocb *fxio = &sp->u.iocb_cmd;
3235 struct qla_mt_iocb_rqst_fx00 *piocb_rqst;
3236 struct bsg_job *bsg_job;
3237 struct fc_bsg_request *bsg_request;
3238 struct fxdisc_entry_fx00 fx_iocb;
3239 uint8_t entry_cnt = 1;
3241 memset(&fx_iocb, 0, sizeof(struct fxdisc_entry_fx00));
3242 fx_iocb.entry_type = FX00_IOCB_TYPE;
3243 fx_iocb.handle = cpu_to_le32(sp->handle);
3244 fx_iocb.entry_count = entry_cnt;
3246 if (sp->type == SRB_FXIOCB_DCMD) {
3248 sp->u.iocb_cmd.u.fxiocb.req_func_type;
3249 fx_iocb.adapid = fxio->u.fxiocb.adapter_id;
3250 fx_iocb.adapid_hi = fxio->u.fxiocb.adapter_id_hi;
3251 fx_iocb.reserved_0 = fxio->u.fxiocb.reserved_0;
3252 fx_iocb.reserved_1 = fxio->u.fxiocb.reserved_1;
3253 fx_iocb.dataword_extra = fxio->u.fxiocb.req_data_extra;
3255 if (fxio->u.fxiocb.flags & SRB_FXDISC_REQ_DMA_VALID) {
3256 fx_iocb.req_dsdcnt = cpu_to_le16(1);
3257 fx_iocb.req_xfrcnt =
3258 cpu_to_le16(fxio->u.fxiocb.req_len);
3259 fx_iocb.dseg_rq_address[0] =
3260 cpu_to_le32(LSD(fxio->u.fxiocb.req_dma_handle));
3261 fx_iocb.dseg_rq_address[1] =
3262 cpu_to_le32(MSD(fxio->u.fxiocb.req_dma_handle));
3263 fx_iocb.dseg_rq_len =
3264 cpu_to_le32(fxio->u.fxiocb.req_len);
3267 if (fxio->u.fxiocb.flags & SRB_FXDISC_RESP_DMA_VALID) {
3268 fx_iocb.rsp_dsdcnt = cpu_to_le16(1);
3269 fx_iocb.rsp_xfrcnt =
3270 cpu_to_le16(fxio->u.fxiocb.rsp_len);
3271 fx_iocb.dseg_rsp_address[0] =
3272 cpu_to_le32(LSD(fxio->u.fxiocb.rsp_dma_handle));
3273 fx_iocb.dseg_rsp_address[1] =
3274 cpu_to_le32(MSD(fxio->u.fxiocb.rsp_dma_handle));
3275 fx_iocb.dseg_rsp_len =
3276 cpu_to_le32(fxio->u.fxiocb.rsp_len);
3279 if (fxio->u.fxiocb.flags & SRB_FXDISC_REQ_DWRD_VALID) {
3280 fx_iocb.dataword = fxio->u.fxiocb.req_data;
3282 fx_iocb.flags = fxio->u.fxiocb.flags;
3284 struct scatterlist *sg;
3285 bsg_job = sp->u.bsg_job;
3286 bsg_request = bsg_job->request;
3287 piocb_rqst = (struct qla_mt_iocb_rqst_fx00 *)
3288 &bsg_request->rqst_data.h_vendor.vendor_cmd[1];
3290 fx_iocb.func_num = piocb_rqst->func_type;
3291 fx_iocb.adapid = piocb_rqst->adapid;
3292 fx_iocb.adapid_hi = piocb_rqst->adapid_hi;
3293 fx_iocb.reserved_0 = piocb_rqst->reserved_0;
3294 fx_iocb.reserved_1 = piocb_rqst->reserved_1;
3295 fx_iocb.dataword_extra = piocb_rqst->dataword_extra;
3296 fx_iocb.dataword = piocb_rqst->dataword;
3297 fx_iocb.req_xfrcnt = piocb_rqst->req_len;
3298 fx_iocb.rsp_xfrcnt = piocb_rqst->rsp_len;
3300 if (piocb_rqst->flags & SRB_FXDISC_REQ_DMA_VALID) {
3301 int avail_dsds, tot_dsds;
3302 cont_a64_entry_t lcont_pkt;
3303 cont_a64_entry_t *cont_pkt = NULL;
3305 int index = 0, cont = 0;
3307 fx_iocb.req_dsdcnt =
3308 cpu_to_le16(bsg_job->request_payload.sg_cnt);
3310 bsg_job->request_payload.sg_cnt;
3311 cur_dsd = (__le32 *)&fx_iocb.dseg_rq_address[0];
3313 for_each_sg(bsg_job->request_payload.sg_list, sg,
3317 /* Allocate additional continuation packets? */
3318 if (avail_dsds == 0) {
3320 * Five DSDs are available in the Cont.
3323 memset(&lcont_pkt, 0,
3324 REQUEST_ENTRY_SIZE);
3326 qlafx00_prep_cont_type1_iocb(
3327 sp->vha->req, &lcont_pkt);
3328 cur_dsd = (__le32 *)
3329 lcont_pkt.dseg_0_address;
3335 sle_dma = sg_dma_address(sg);
3336 *cur_dsd++ = cpu_to_le32(LSD(sle_dma));
3337 *cur_dsd++ = cpu_to_le32(MSD(sle_dma));
3338 *cur_dsd++ = cpu_to_le32(sg_dma_len(sg));
3341 if (avail_dsds == 0 && cont == 1) {
3344 (void __iomem *)cont_pkt,
3345 &lcont_pkt, REQUEST_ENTRY_SIZE);
3347 ql_dbg_user + ql_dbg_verbose,
3349 (uint8_t *)&lcont_pkt,
3350 REQUEST_ENTRY_SIZE);
3353 if (avail_dsds != 0 && cont == 1) {
3354 memcpy_toio((void __iomem *)cont_pkt,
3355 &lcont_pkt, REQUEST_ENTRY_SIZE);
3356 ql_dump_buffer(ql_dbg_user + ql_dbg_verbose,
3358 (uint8_t *)&lcont_pkt, REQUEST_ENTRY_SIZE);
3362 if (piocb_rqst->flags & SRB_FXDISC_RESP_DMA_VALID) {
3363 int avail_dsds, tot_dsds;
3364 cont_a64_entry_t lcont_pkt;
3365 cont_a64_entry_t *cont_pkt = NULL;
3367 int index = 0, cont = 0;
3369 fx_iocb.rsp_dsdcnt =
3370 cpu_to_le16(bsg_job->reply_payload.sg_cnt);
3371 tot_dsds = bsg_job->reply_payload.sg_cnt;
3372 cur_dsd = (__le32 *)&fx_iocb.dseg_rsp_address[0];
3375 for_each_sg(bsg_job->reply_payload.sg_list, sg,
3379 /* Allocate additional continuation packets? */
3380 if (avail_dsds == 0) {
3382 * Five DSDs are available in the Cont.
3385 memset(&lcont_pkt, 0,
3386 REQUEST_ENTRY_SIZE);
3388 qlafx00_prep_cont_type1_iocb(
3389 sp->vha->req, &lcont_pkt);
3390 cur_dsd = (__le32 *)
3391 lcont_pkt.dseg_0_address;
3397 sle_dma = sg_dma_address(sg);
3398 *cur_dsd++ = cpu_to_le32(LSD(sle_dma));
3399 *cur_dsd++ = cpu_to_le32(MSD(sle_dma));
3400 *cur_dsd++ = cpu_to_le32(sg_dma_len(sg));
3403 if (avail_dsds == 0 && cont == 1) {
3405 memcpy_toio((void __iomem *)cont_pkt,
3407 REQUEST_ENTRY_SIZE);
3409 ql_dbg_user + ql_dbg_verbose,
3411 (uint8_t *)&lcont_pkt,
3412 REQUEST_ENTRY_SIZE);
3415 if (avail_dsds != 0 && cont == 1) {
3416 memcpy_toio((void __iomem *)cont_pkt,
3417 &lcont_pkt, REQUEST_ENTRY_SIZE);
3418 ql_dump_buffer(ql_dbg_user + ql_dbg_verbose,
3420 (uint8_t *)&lcont_pkt, REQUEST_ENTRY_SIZE);
3424 if (piocb_rqst->flags & SRB_FXDISC_REQ_DWRD_VALID)
3425 fx_iocb.dataword = piocb_rqst->dataword;
3426 fx_iocb.flags = piocb_rqst->flags;
3427 fx_iocb.entry_count = entry_cnt;
3430 ql_dump_buffer(ql_dbg_user + ql_dbg_verbose,
3432 (uint8_t *)&fx_iocb, sizeof(struct fxdisc_entry_fx00));
3434 memcpy_toio((void __iomem *)pfxiocb, &fx_iocb,
3435 sizeof(struct fxdisc_entry_fx00));