2 * QLOGIC LINUX SOFTWARE
4 * QLogic ISP2x00 device driver for Linux 2.6.x
5 * Copyright (C) 2003-2005 QLogic Corporation
8 * This program is free software; you can redistribute it and/or modify it
9 * under the terms of the GNU General Public License as published by the
10 * Free Software Foundation; either version 2, or (at your option) any
13 * This program is distributed in the hope that it will be useful, but
14 * WITHOUT ANY WARRANTY; without even the implied warranty of
15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
16 * General Public License for more details.
21 #include <linux/delay.h>
22 #include <linux/vmalloc.h>
23 #include <linux/firmware.h>
24 #include <scsi/scsi_transport_fc.h>
26 #include "qla_devtbl.h"
28 /* XXX(hch): this is ugly, but we don't want to pull in exioctl.h */
29 #ifndef EXT_IS_LUN_BIT_SET
30 #define EXT_IS_LUN_BIT_SET(P,L) \
31 (((P)->mask[L/8] & (0x80 >> (L%8)))?1:0)
32 #define EXT_SET_LUN_BIT(P,L) \
33 ((P)->mask[L/8] |= (0x80 >> (L%8)))
37 * QLogic ISP2x00 Hardware Support Function Prototypes.
39 static int qla2x00_isp_firmware(scsi_qla_host_t *);
40 static void qla2x00_resize_request_q(scsi_qla_host_t *);
41 static int qla2x00_setup_chip(scsi_qla_host_t *);
42 static void qla2x00_init_response_q_entries(scsi_qla_host_t *);
43 static int qla2x00_init_rings(scsi_qla_host_t *);
44 static int qla2x00_fw_ready(scsi_qla_host_t *);
45 static int qla2x00_configure_hba(scsi_qla_host_t *);
46 static int qla2x00_configure_loop(scsi_qla_host_t *);
47 static int qla2x00_configure_local_loop(scsi_qla_host_t *);
48 static void qla2x00_update_fcport(scsi_qla_host_t *, fc_port_t *);
49 static int qla2x00_configure_fabric(scsi_qla_host_t *);
50 static int qla2x00_find_all_fabric_devs(scsi_qla_host_t *, struct list_head *);
51 static int qla2x00_device_resync(scsi_qla_host_t *);
52 static int qla2x00_fabric_dev_login(scsi_qla_host_t *, fc_port_t *,
55 static int qla2x00_restart_isp(scsi_qla_host_t *);
57 /****************************************************************************/
58 /* QLogic ISP2x00 Hardware Support Functions. */
59 /****************************************************************************/
62 * qla2x00_initialize_adapter
66 * ha = adapter block pointer.
72 qla2x00_initialize_adapter(scsi_qla_host_t *ha)
75 uint8_t restart_risc = 0;
79 /* Clear adapter flags. */
81 ha->flags.reset_active = 0;
82 atomic_set(&ha->loop_down_timer, LOOP_DOWN_TIME);
83 atomic_set(&ha->loop_state, LOOP_DOWN);
86 ha->flags.management_server_logged_in = 0;
87 ha->marker_needed = 0;
89 ha->isp_abort_cnt = 0;
90 ha->beacon_blink_led = 0;
92 qla_printk(KERN_INFO, ha, "Configuring PCI space...\n");
93 rval = ha->isp_ops.pci_config(ha);
95 DEBUG2(printk("scsi(%ld): Unable to configure PCI space=n",
100 ha->isp_ops.reset_chip(ha);
102 qla_printk(KERN_INFO, ha, "Configure NVRAM parameters...\n");
104 ha->isp_ops.nvram_config(ha);
106 qla_printk(KERN_INFO, ha, "Verifying loaded RISC code...\n");
110 * Try to configure the loop.
115 /* If firmware needs to be loaded */
116 if (qla2x00_isp_firmware(ha) != QLA_SUCCESS) {
117 if ((rval = ha->isp_ops.chip_diag(ha)) == QLA_SUCCESS) {
118 rval = qla2x00_setup_chip(ha);
122 if (rval == QLA_SUCCESS &&
123 (rval = qla2x00_init_rings(ha)) == QLA_SUCCESS) {
124 check_fw_ready_again:
126 * Wait for a successful LIP up to a maximum
127 * of (in seconds): RISC login timeout value,
128 * RISC retry count value, and port down retry
129 * value OR a minimum of 4 seconds OR If no
130 * cable, only 5 seconds.
132 rval = qla2x00_fw_ready(ha);
133 if (rval == QLA_SUCCESS) {
134 clear_bit(RESET_MARKER_NEEDED, &ha->dpc_flags);
136 /* Issue a marker after FW becomes ready. */
137 qla2x00_marker(ha, 0, 0, MK_SYNC_ALL);
140 * Wait at most MAX_TARGET RSCNs for a stable
145 clear_bit(LOOP_RESYNC_NEEDED,
147 rval = qla2x00_configure_loop(ha);
149 if (test_and_clear_bit(ISP_ABORT_NEEDED,
156 * If loop state change while we were
157 * discoverying devices then wait for
161 if (atomic_read(&ha->loop_state) ==
162 LOOP_DOWN && retry--) {
163 goto check_fw_ready_again;
166 } while (!atomic_read(&ha->loop_down_timer) &&
169 (test_bit(LOOP_RESYNC_NEEDED,
173 rval = QLA_FUNCTION_FAILED;
174 } else if (ha->device_flags & DFLG_NO_CABLE)
175 /* If no cable, then all is good. */
178 } while (restart_risc && retry--);
180 if (rval == QLA_SUCCESS) {
181 clear_bit(RESET_MARKER_NEEDED, &ha->dpc_flags);
182 qla2x00_marker(ha, 0, 0, MK_SYNC_ALL);
183 ha->marker_needed = 0;
185 ha->flags.online = 1;
187 DEBUG2_3(printk("%s(): **** FAILED ****\n", __func__));
194 * qla2100_pci_config() - Setup ISP21xx PCI configuration registers.
197 * Returns 0 on success.
200 qla2100_pci_config(scsi_qla_host_t *ha)
204 struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
206 pci_set_master(ha->pdev);
208 if (pci_set_mwi(ha->pdev))
209 mwi = PCI_COMMAND_INVALIDATE;
210 pci_read_config_word(ha->pdev, PCI_REVISION_ID, &ha->revision);
212 pci_read_config_word(ha->pdev, PCI_COMMAND, &w);
213 w |= mwi | (PCI_COMMAND_PARITY | PCI_COMMAND_SERR);
214 pci_write_config_word(ha->pdev, PCI_COMMAND, w);
216 /* Reset expansion ROM address decode enable */
217 pci_read_config_word(ha->pdev, PCI_ROM_ADDRESS, &w);
218 w &= ~PCI_ROM_ADDRESS_ENABLE;
219 pci_write_config_word(ha->pdev, PCI_ROM_ADDRESS, w);
221 /* Get PCI bus information. */
222 spin_lock_irqsave(&ha->hardware_lock, flags);
223 ha->pci_attr = RD_REG_WORD(®->ctrl_status);
224 spin_unlock_irqrestore(&ha->hardware_lock, flags);
230 * qla2300_pci_config() - Setup ISP23xx PCI configuration registers.
233 * Returns 0 on success.
236 qla2300_pci_config(scsi_qla_host_t *ha)
239 unsigned long flags = 0;
241 struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
243 pci_set_master(ha->pdev);
245 if (pci_set_mwi(ha->pdev))
246 mwi = PCI_COMMAND_INVALIDATE;
247 pci_read_config_word(ha->pdev, PCI_REVISION_ID, &ha->revision);
249 pci_read_config_word(ha->pdev, PCI_COMMAND, &w);
250 w |= mwi | (PCI_COMMAND_PARITY | PCI_COMMAND_SERR);
252 if (IS_QLA2322(ha) || IS_QLA6322(ha))
253 w &= ~PCI_COMMAND_INTX_DISABLE;
256 * If this is a 2300 card and not 2312, reset the
257 * COMMAND_INVALIDATE due to a bug in the 2300. Unfortunately,
258 * the 2310 also reports itself as a 2300 so we need to get the
259 * fb revision level -- a 6 indicates it really is a 2300 and
262 if (IS_QLA2300(ha)) {
263 spin_lock_irqsave(&ha->hardware_lock, flags);
266 WRT_REG_WORD(®->hccr, HCCR_PAUSE_RISC);
267 for (cnt = 0; cnt < 30000; cnt++) {
268 if ((RD_REG_WORD(®->hccr) & HCCR_RISC_PAUSE) != 0)
274 /* Select FPM registers. */
275 WRT_REG_WORD(®->ctrl_status, 0x20);
276 RD_REG_WORD(®->ctrl_status);
278 /* Get the fb rev level */
279 ha->fb_rev = RD_FB_CMD_REG(ha, reg);
281 if (ha->fb_rev == FPM_2300)
282 w &= ~PCI_COMMAND_INVALIDATE;
284 /* Deselect FPM registers. */
285 WRT_REG_WORD(®->ctrl_status, 0x0);
286 RD_REG_WORD(®->ctrl_status);
288 /* Release RISC module. */
289 WRT_REG_WORD(®->hccr, HCCR_RELEASE_RISC);
290 for (cnt = 0; cnt < 30000; cnt++) {
291 if ((RD_REG_WORD(®->hccr) & HCCR_RISC_PAUSE) == 0)
297 spin_unlock_irqrestore(&ha->hardware_lock, flags);
299 pci_write_config_word(ha->pdev, PCI_COMMAND, w);
301 pci_write_config_byte(ha->pdev, PCI_LATENCY_TIMER, 0x80);
303 /* Reset expansion ROM address decode enable */
304 pci_read_config_word(ha->pdev, PCI_ROM_ADDRESS, &w);
305 w &= ~PCI_ROM_ADDRESS_ENABLE;
306 pci_write_config_word(ha->pdev, PCI_ROM_ADDRESS, w);
308 /* Get PCI bus information. */
309 spin_lock_irqsave(&ha->hardware_lock, flags);
310 ha->pci_attr = RD_REG_WORD(®->ctrl_status);
311 spin_unlock_irqrestore(&ha->hardware_lock, flags);
317 * qla24xx_pci_config() - Setup ISP24xx PCI configuration registers.
320 * Returns 0 on success.
323 qla24xx_pci_config(scsi_qla_host_t *ha)
326 unsigned long flags = 0;
327 struct device_reg_24xx __iomem *reg = &ha->iobase->isp24;
328 int pcix_cmd_reg, pcie_dctl_reg;
330 pci_set_master(ha->pdev);
332 if (pci_set_mwi(ha->pdev))
333 mwi = PCI_COMMAND_INVALIDATE;
334 pci_read_config_word(ha->pdev, PCI_REVISION_ID, &ha->revision);
336 pci_read_config_word(ha->pdev, PCI_COMMAND, &w);
337 w |= mwi | (PCI_COMMAND_PARITY | PCI_COMMAND_SERR);
338 w &= ~PCI_COMMAND_INTX_DISABLE;
339 pci_write_config_word(ha->pdev, PCI_COMMAND, w);
341 pci_write_config_byte(ha->pdev, PCI_LATENCY_TIMER, 0x80);
343 /* PCI-X -- adjust Maximum Memory Read Byte Count (2048). */
344 pcix_cmd_reg = pci_find_capability(ha->pdev, PCI_CAP_ID_PCIX);
348 pcix_cmd_reg += PCI_X_CMD;
349 pci_read_config_word(ha->pdev, pcix_cmd_reg, &pcix_cmd);
350 pcix_cmd &= ~PCI_X_CMD_MAX_READ;
352 pci_write_config_word(ha->pdev, pcix_cmd_reg, pcix_cmd);
355 /* PCIe -- adjust Maximum Read Request Size (2048). */
356 pcie_dctl_reg = pci_find_capability(ha->pdev, PCI_CAP_ID_EXP);
360 pcie_dctl_reg += PCI_EXP_DEVCTL;
361 pci_read_config_word(ha->pdev, pcie_dctl_reg, &pcie_dctl);
362 pcie_dctl &= ~PCI_EXP_DEVCTL_READRQ;
364 pci_write_config_word(ha->pdev, pcie_dctl_reg, pcie_dctl);
367 /* Reset expansion ROM address decode enable */
368 pci_read_config_word(ha->pdev, PCI_ROM_ADDRESS, &w);
369 w &= ~PCI_ROM_ADDRESS_ENABLE;
370 pci_write_config_word(ha->pdev, PCI_ROM_ADDRESS, w);
372 /* Get PCI bus information. */
373 spin_lock_irqsave(&ha->hardware_lock, flags);
374 ha->pci_attr = RD_REG_DWORD(®->ctrl_status);
375 spin_unlock_irqrestore(&ha->hardware_lock, flags);
381 * qla2x00_isp_firmware() - Choose firmware image.
384 * Returns 0 on success.
387 qla2x00_isp_firmware(scsi_qla_host_t *ha)
391 /* Assume loading risc code */
392 rval = QLA_FUNCTION_FAILED;
394 if (ha->flags.disable_risc_code_load) {
395 DEBUG2(printk("scsi(%ld): RISC CODE NOT loaded\n",
397 qla_printk(KERN_INFO, ha, "RISC CODE NOT loaded\n");
399 /* Verify checksum of loaded RISC code. */
400 rval = qla2x00_verify_checksum(ha,
401 IS_QLA24XX(ha) || IS_QLA25XX(ha) ? RISC_SADDRESS :
402 *ha->brd_info->fw_info[0].fwstart);
406 DEBUG2_3(printk("scsi(%ld): **** Load RISC code ****\n",
414 * qla2x00_reset_chip() - Reset ISP chip.
417 * Returns 0 on success.
420 qla2x00_reset_chip(scsi_qla_host_t *ha)
422 unsigned long flags = 0;
423 struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
425 unsigned long mbx_flags = 0;
428 ha->isp_ops.disable_intrs(ha);
430 spin_lock_irqsave(&ha->hardware_lock, flags);
432 /* Turn off master enable */
434 pci_read_config_word(ha->pdev, PCI_COMMAND, &cmd);
435 cmd &= ~PCI_COMMAND_MASTER;
436 pci_write_config_word(ha->pdev, PCI_COMMAND, cmd);
438 if (!IS_QLA2100(ha)) {
440 WRT_REG_WORD(®->hccr, HCCR_PAUSE_RISC);
441 if (IS_QLA2200(ha) || IS_QLA2300(ha)) {
442 for (cnt = 0; cnt < 30000; cnt++) {
443 if ((RD_REG_WORD(®->hccr) &
444 HCCR_RISC_PAUSE) != 0)
449 RD_REG_WORD(®->hccr); /* PCI Posting. */
453 /* Select FPM registers. */
454 WRT_REG_WORD(®->ctrl_status, 0x20);
455 RD_REG_WORD(®->ctrl_status); /* PCI Posting. */
457 /* FPM Soft Reset. */
458 WRT_REG_WORD(®->fpm_diag_config, 0x100);
459 RD_REG_WORD(®->fpm_diag_config); /* PCI Posting. */
461 /* Toggle Fpm Reset. */
462 if (!IS_QLA2200(ha)) {
463 WRT_REG_WORD(®->fpm_diag_config, 0x0);
464 RD_REG_WORD(®->fpm_diag_config); /* PCI Posting. */
467 /* Select frame buffer registers. */
468 WRT_REG_WORD(®->ctrl_status, 0x10);
469 RD_REG_WORD(®->ctrl_status); /* PCI Posting. */
471 /* Reset frame buffer FIFOs. */
472 if (IS_QLA2200(ha)) {
473 WRT_FB_CMD_REG(ha, reg, 0xa000);
474 RD_FB_CMD_REG(ha, reg); /* PCI Posting. */
476 WRT_FB_CMD_REG(ha, reg, 0x00fc);
478 /* Read back fb_cmd until zero or 3 seconds max */
479 for (cnt = 0; cnt < 3000; cnt++) {
480 if ((RD_FB_CMD_REG(ha, reg) & 0xff) == 0)
486 /* Select RISC module registers. */
487 WRT_REG_WORD(®->ctrl_status, 0);
488 RD_REG_WORD(®->ctrl_status); /* PCI Posting. */
490 /* Reset RISC processor. */
491 WRT_REG_WORD(®->hccr, HCCR_RESET_RISC);
492 RD_REG_WORD(®->hccr); /* PCI Posting. */
494 /* Release RISC processor. */
495 WRT_REG_WORD(®->hccr, HCCR_RELEASE_RISC);
496 RD_REG_WORD(®->hccr); /* PCI Posting. */
499 WRT_REG_WORD(®->hccr, HCCR_CLR_RISC_INT);
500 WRT_REG_WORD(®->hccr, HCCR_CLR_HOST_INT);
502 /* Reset ISP chip. */
503 WRT_REG_WORD(®->ctrl_status, CSR_ISP_SOFT_RESET);
505 /* Wait for RISC to recover from reset. */
506 if (IS_QLA2100(ha) || IS_QLA2200(ha) || IS_QLA2300(ha)) {
508 * It is necessary to for a delay here since the card doesn't
509 * respond to PCI reads during a reset. On some architectures
510 * this will result in an MCA.
513 for (cnt = 30000; cnt; cnt--) {
514 if ((RD_REG_WORD(®->ctrl_status) &
515 CSR_ISP_SOFT_RESET) == 0)
522 /* Reset RISC processor. */
523 WRT_REG_WORD(®->hccr, HCCR_RESET_RISC);
525 WRT_REG_WORD(®->semaphore, 0);
527 /* Release RISC processor. */
528 WRT_REG_WORD(®->hccr, HCCR_RELEASE_RISC);
529 RD_REG_WORD(®->hccr); /* PCI Posting. */
531 if (IS_QLA2100(ha) || IS_QLA2200(ha) || IS_QLA2300(ha)) {
532 for (cnt = 0; cnt < 30000; cnt++) {
533 if (!(test_bit(ABORT_ISP_ACTIVE, &ha->dpc_flags)))
534 spin_lock_irqsave(&ha->mbx_reg_lock, mbx_flags);
536 if (RD_MAILBOX_REG(ha, reg, 0) != MBS_BUSY) {
537 if (!(test_bit(ABORT_ISP_ACTIVE,
539 spin_unlock_irqrestore(
540 &ha->mbx_reg_lock, mbx_flags);
544 if (!(test_bit(ABORT_ISP_ACTIVE, &ha->dpc_flags)))
545 spin_unlock_irqrestore(&ha->mbx_reg_lock,
553 /* Turn on master enable */
554 cmd |= PCI_COMMAND_MASTER;
555 pci_write_config_word(ha->pdev, PCI_COMMAND, cmd);
557 /* Disable RISC pause on FPM parity error. */
558 if (!IS_QLA2100(ha)) {
559 WRT_REG_WORD(®->hccr, HCCR_DISABLE_PARITY_PAUSE);
560 RD_REG_WORD(®->hccr); /* PCI Posting. */
563 spin_unlock_irqrestore(&ha->hardware_lock, flags);
567 * qla24xx_reset_risc() - Perform full reset of ISP24xx RISC.
570 * Returns 0 on success.
573 qla24xx_reset_risc(scsi_qla_host_t *ha)
575 unsigned long flags = 0;
576 struct device_reg_24xx __iomem *reg = &ha->iobase->isp24;
579 spin_lock_irqsave(&ha->hardware_lock, flags);
582 WRT_REG_DWORD(®->ctrl_status, CSRX_DMA_SHUTDOWN|MWB_4096_BYTES);
583 for (cnt = 0; cnt < 30000; cnt++) {
584 if ((RD_REG_DWORD(®->ctrl_status) & CSRX_DMA_ACTIVE) == 0)
590 WRT_REG_DWORD(®->ctrl_status,
591 CSRX_ISP_SOFT_RESET|CSRX_DMA_SHUTDOWN|MWB_4096_BYTES);
592 RD_REG_DWORD(®->ctrl_status);
594 /* Wait for firmware to complete NVRAM accesses. */
596 d2 = (uint32_t) RD_REG_WORD(®->mailbox0);
597 for (cnt = 10000 ; cnt && d2; cnt--) {
599 d2 = (uint32_t) RD_REG_WORD(®->mailbox0);
604 d2 = RD_REG_DWORD(®->ctrl_status);
605 for (cnt = 6000000 ; cnt && (d2 & CSRX_ISP_SOFT_RESET); cnt--) {
607 d2 = RD_REG_DWORD(®->ctrl_status);
611 WRT_REG_DWORD(®->hccr, HCCRX_SET_RISC_RESET);
612 RD_REG_DWORD(®->hccr);
614 WRT_REG_DWORD(®->hccr, HCCRX_REL_RISC_PAUSE);
615 RD_REG_DWORD(®->hccr);
617 WRT_REG_DWORD(®->hccr, HCCRX_CLR_RISC_RESET);
618 RD_REG_DWORD(®->hccr);
620 d2 = (uint32_t) RD_REG_WORD(®->mailbox0);
621 for (cnt = 6000000 ; cnt && d2; cnt--) {
623 d2 = (uint32_t) RD_REG_WORD(®->mailbox0);
627 spin_unlock_irqrestore(&ha->hardware_lock, flags);
631 * qla24xx_reset_chip() - Reset ISP24xx chip.
634 * Returns 0 on success.
637 qla24xx_reset_chip(scsi_qla_host_t *ha)
639 ha->isp_ops.disable_intrs(ha);
641 /* Perform RISC reset. */
642 qla24xx_reset_risc(ha);
646 * qla2x00_chip_diag() - Test chip for proper operation.
649 * Returns 0 on success.
652 qla2x00_chip_diag(scsi_qla_host_t *ha)
655 struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
656 unsigned long flags = 0;
661 /* Assume a failed state */
662 rval = QLA_FUNCTION_FAILED;
664 DEBUG3(printk("scsi(%ld): Testing device at %lx.\n",
665 ha->host_no, (u_long)®->flash_address));
667 spin_lock_irqsave(&ha->hardware_lock, flags);
669 /* Reset ISP chip. */
670 WRT_REG_WORD(®->ctrl_status, CSR_ISP_SOFT_RESET);
673 * We need to have a delay here since the card will not respond while
674 * in reset causing an MCA on some architectures.
677 data = qla2x00_debounce_register(®->ctrl_status);
678 for (cnt = 6000000 ; cnt && (data & CSR_ISP_SOFT_RESET); cnt--) {
680 data = RD_REG_WORD(®->ctrl_status);
685 goto chip_diag_failed;
687 DEBUG3(printk("scsi(%ld): Reset register cleared by chip reset\n",
690 /* Reset RISC processor. */
691 WRT_REG_WORD(®->hccr, HCCR_RESET_RISC);
692 WRT_REG_WORD(®->hccr, HCCR_RELEASE_RISC);
694 /* Workaround for QLA2312 PCI parity error */
695 if (IS_QLA2100(ha) || IS_QLA2200(ha) || IS_QLA2300(ha)) {
696 data = qla2x00_debounce_register(MAILBOX_REG(ha, reg, 0));
697 for (cnt = 6000000; cnt && (data == MBS_BUSY); cnt--) {
699 data = RD_MAILBOX_REG(ha, reg, 0);
706 goto chip_diag_failed;
708 /* Check product ID of chip */
709 DEBUG3(printk("scsi(%ld): Checking product ID of chip\n", ha->host_no));
711 mb[1] = RD_MAILBOX_REG(ha, reg, 1);
712 mb[2] = RD_MAILBOX_REG(ha, reg, 2);
713 mb[3] = RD_MAILBOX_REG(ha, reg, 3);
714 mb[4] = qla2x00_debounce_register(MAILBOX_REG(ha, reg, 4));
715 if (mb[1] != PROD_ID_1 || (mb[2] != PROD_ID_2 && mb[2] != PROD_ID_2a) ||
716 mb[3] != PROD_ID_3) {
717 qla_printk(KERN_WARNING, ha,
718 "Wrong product ID = 0x%x,0x%x,0x%x\n", mb[1], mb[2], mb[3]);
720 goto chip_diag_failed;
722 ha->product_id[0] = mb[1];
723 ha->product_id[1] = mb[2];
724 ha->product_id[2] = mb[3];
725 ha->product_id[3] = mb[4];
727 /* Adjust fw RISC transfer size */
728 if (ha->request_q_length > 1024)
729 ha->fw_transfer_size = REQUEST_ENTRY_SIZE * 1024;
731 ha->fw_transfer_size = REQUEST_ENTRY_SIZE *
732 ha->request_q_length;
734 if (IS_QLA2200(ha) &&
735 RD_MAILBOX_REG(ha, reg, 7) == QLA2200A_RISC_ROM_VER) {
736 /* Limit firmware transfer size with a 2200A */
737 DEBUG3(printk("scsi(%ld): Found QLA2200A chip.\n",
740 ha->fw_transfer_size = 128;
743 /* Wrap Incoming Mailboxes Test. */
744 spin_unlock_irqrestore(&ha->hardware_lock, flags);
746 DEBUG3(printk("scsi(%ld): Checking mailboxes.\n", ha->host_no));
747 rval = qla2x00_mbx_reg_test(ha);
749 DEBUG(printk("scsi(%ld): Failed mailbox send register test\n",
751 qla_printk(KERN_WARNING, ha,
752 "Failed mailbox send register test\n");
755 /* Flag a successful rval */
758 spin_lock_irqsave(&ha->hardware_lock, flags);
762 DEBUG2_3(printk("scsi(%ld): Chip diagnostics **** FAILED "
763 "****\n", ha->host_no));
765 spin_unlock_irqrestore(&ha->hardware_lock, flags);
771 * qla24xx_chip_diag() - Test ISP24xx for proper operation.
774 * Returns 0 on success.
777 qla24xx_chip_diag(scsi_qla_host_t *ha)
781 /* Perform RISC reset. */
782 qla24xx_reset_risc(ha);
784 ha->fw_transfer_size = REQUEST_ENTRY_SIZE * 1024;
786 rval = qla2x00_mbx_reg_test(ha);
788 DEBUG(printk("scsi(%ld): Failed mailbox send register test\n",
790 qla_printk(KERN_WARNING, ha,
791 "Failed mailbox send register test\n");
793 /* Flag a successful rval */
801 qla2x00_alloc_fw_dump(scsi_qla_host_t *ha)
804 ha->fw_dump24_len = sizeof(struct qla24xx_fw_dump);
805 ha->fw_dump24_len += (ha->fw_memory_size - 0x100000) * sizeof(uint32_t);
806 ha->fw_dump24 = vmalloc(ha->fw_dump24_len);
808 qla_printk(KERN_INFO, ha, "Allocated (%d KB) for firmware "
809 "dump...\n", ha->fw_dump24_len / 1024);
811 qla_printk(KERN_WARNING, ha, "Unable to allocate (%d KB) for "
812 "firmware dump!!!\n", ha->fw_dump24_len / 1024);
816 * qla2x00_resize_request_q() - Resize request queue given available ISP memory.
819 * Returns 0 on success.
822 qla2x00_resize_request_q(scsi_qla_host_t *ha)
825 uint16_t fw_iocb_cnt = 0;
826 uint16_t request_q_length = REQUEST_ENTRY_CNT_2XXX_EXT_MEM;
827 dma_addr_t request_dma;
828 request_t *request_ring;
830 /* Valid only on recent ISPs. */
831 if (IS_QLA2100(ha) || IS_QLA2200(ha))
834 if (IS_QLA24XX(ha) || IS_QLA25XX(ha))
835 qla2x00_alloc_fw_dump(ha);
837 /* Retrieve IOCB counts available to the firmware. */
838 rval = qla2x00_get_resource_cnts(ha, NULL, NULL, NULL, &fw_iocb_cnt);
841 /* No point in continuing if current settings are sufficient. */
842 if (fw_iocb_cnt < 1024)
844 if (ha->request_q_length >= request_q_length)
847 /* Attempt to claim larger area for request queue. */
848 request_ring = dma_alloc_coherent(&ha->pdev->dev,
849 (request_q_length + 1) * sizeof(request_t), &request_dma,
851 if (request_ring == NULL)
854 /* Resize successful, report extensions. */
855 qla_printk(KERN_INFO, ha, "Extended memory detected (%d KB)...\n",
856 (ha->fw_memory_size + 1) / 1024);
857 qla_printk(KERN_INFO, ha, "Resizing request queue depth "
858 "(%d -> %d)...\n", ha->request_q_length, request_q_length);
860 /* Clear old allocations. */
861 dma_free_coherent(&ha->pdev->dev,
862 (ha->request_q_length + 1) * sizeof(request_t), ha->request_ring,
865 /* Begin using larger queue. */
866 ha->request_q_length = request_q_length;
867 ha->request_ring = request_ring;
868 ha->request_dma = request_dma;
872 * qla2x00_setup_chip() - Load and start RISC firmware.
875 * Returns 0 on success.
878 qla2x00_setup_chip(scsi_qla_host_t *ha)
881 uint32_t srisc_address = 0;
883 /* Load firmware sequences */
884 rval = ha->isp_ops.load_risc(ha, &srisc_address);
885 if (rval == QLA_SUCCESS) {
886 DEBUG(printk("scsi(%ld): Verifying Checksum of loaded RISC "
887 "code.\n", ha->host_no));
889 rval = qla2x00_verify_checksum(ha, srisc_address);
890 if (rval == QLA_SUCCESS) {
891 /* Start firmware execution. */
892 DEBUG(printk("scsi(%ld): Checksum OK, start "
893 "firmware.\n", ha->host_no));
895 rval = qla2x00_execute_fw(ha, srisc_address);
896 /* Retrieve firmware information. */
897 if (rval == QLA_SUCCESS && ha->fw_major_version == 0) {
898 qla2x00_get_fw_version(ha,
899 &ha->fw_major_version,
900 &ha->fw_minor_version,
901 &ha->fw_subminor_version,
902 &ha->fw_attributes, &ha->fw_memory_size);
903 qla2x00_resize_request_q(ha);
906 DEBUG2(printk(KERN_INFO
907 "scsi(%ld): ISP Firmware failed checksum.\n",
913 DEBUG2_3(printk("scsi(%ld): Setup chip **** FAILED ****.\n",
921 * qla2x00_init_response_q_entries() - Initializes response queue entries.
924 * Beginning of request ring has initialization control block already built
925 * by nvram config routine.
927 * Returns 0 on success.
930 qla2x00_init_response_q_entries(scsi_qla_host_t *ha)
935 pkt = ha->response_ring_ptr;
936 for (cnt = 0; cnt < ha->response_q_length; cnt++) {
937 pkt->signature = RESPONSE_PROCESSED;
944 * qla2x00_update_fw_options() - Read and process firmware options.
947 * Returns 0 on success.
950 qla2x00_update_fw_options(scsi_qla_host_t *ha)
952 uint16_t swing, emphasis, tx_sens, rx_sens;
954 memset(ha->fw_options, 0, sizeof(ha->fw_options));
955 qla2x00_get_fw_options(ha, ha->fw_options);
957 if (IS_QLA2100(ha) || IS_QLA2200(ha))
960 /* Serial Link options. */
961 DEBUG3(printk("scsi(%ld): Serial link options:\n",
963 DEBUG3(qla2x00_dump_buffer((uint8_t *)&ha->fw_seriallink_options,
964 sizeof(ha->fw_seriallink_options)));
966 ha->fw_options[1] &= ~FO1_SET_EMPHASIS_SWING;
967 if (ha->fw_seriallink_options[3] & BIT_2) {
968 ha->fw_options[1] |= FO1_SET_EMPHASIS_SWING;
971 swing = ha->fw_seriallink_options[2] & (BIT_2 | BIT_1 | BIT_0);
972 emphasis = (ha->fw_seriallink_options[2] &
973 (BIT_4 | BIT_3)) >> 3;
974 tx_sens = ha->fw_seriallink_options[0] &
975 (BIT_3 | BIT_2 | BIT_1 | BIT_0);
976 rx_sens = (ha->fw_seriallink_options[0] &
977 (BIT_7 | BIT_6 | BIT_5 | BIT_4)) >> 4;
978 ha->fw_options[10] = (emphasis << 14) | (swing << 8);
979 if (IS_QLA2300(ha) || IS_QLA2312(ha) || IS_QLA6312(ha)) {
982 ha->fw_options[10] |= (tx_sens << 4) | rx_sens;
983 } else if (IS_QLA2322(ha) || IS_QLA6322(ha))
984 ha->fw_options[10] |= BIT_5 |
985 ((rx_sens & (BIT_1 | BIT_0)) << 2) |
986 (tx_sens & (BIT_1 | BIT_0));
989 swing = (ha->fw_seriallink_options[2] &
990 (BIT_7 | BIT_6 | BIT_5)) >> 5;
991 emphasis = ha->fw_seriallink_options[3] & (BIT_1 | BIT_0);
992 tx_sens = ha->fw_seriallink_options[1] &
993 (BIT_3 | BIT_2 | BIT_1 | BIT_0);
994 rx_sens = (ha->fw_seriallink_options[1] &
995 (BIT_7 | BIT_6 | BIT_5 | BIT_4)) >> 4;
996 ha->fw_options[11] = (emphasis << 14) | (swing << 8);
997 if (IS_QLA2300(ha) || IS_QLA2312(ha) || IS_QLA6312(ha)) {
1000 ha->fw_options[11] |= (tx_sens << 4) | rx_sens;
1001 } else if (IS_QLA2322(ha) || IS_QLA6322(ha))
1002 ha->fw_options[11] |= BIT_5 |
1003 ((rx_sens & (BIT_1 | BIT_0)) << 2) |
1004 (tx_sens & (BIT_1 | BIT_0));
1008 /* Return command IOCBs without waiting for an ABTS to complete. */
1009 ha->fw_options[3] |= BIT_13;
1012 if (ha->flags.enable_led_scheme)
1013 ha->fw_options[2] |= BIT_12;
1015 /* Update firmware options. */
1016 qla2x00_set_fw_options(ha, ha->fw_options);
1020 qla24xx_update_fw_options(scsi_qla_host_t *ha)
1024 /* Update Serial Link options. */
1025 if ((ha->fw_seriallink_options24[0] & BIT_0) == 0)
1028 rval = qla2x00_set_serdes_params(ha, ha->fw_seriallink_options24[1],
1029 ha->fw_seriallink_options24[2], ha->fw_seriallink_options24[3]);
1030 if (rval != QLA_SUCCESS) {
1031 qla_printk(KERN_WARNING, ha,
1032 "Unable to update Serial Link options (%x).\n", rval);
1037 qla2x00_config_rings(struct scsi_qla_host *ha)
1039 struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
1041 /* Setup ring parameters in initialization control block. */
1042 ha->init_cb->request_q_outpointer = __constant_cpu_to_le16(0);
1043 ha->init_cb->response_q_inpointer = __constant_cpu_to_le16(0);
1044 ha->init_cb->request_q_length = cpu_to_le16(ha->request_q_length);
1045 ha->init_cb->response_q_length = cpu_to_le16(ha->response_q_length);
1046 ha->init_cb->request_q_address[0] = cpu_to_le32(LSD(ha->request_dma));
1047 ha->init_cb->request_q_address[1] = cpu_to_le32(MSD(ha->request_dma));
1048 ha->init_cb->response_q_address[0] = cpu_to_le32(LSD(ha->response_dma));
1049 ha->init_cb->response_q_address[1] = cpu_to_le32(MSD(ha->response_dma));
1051 WRT_REG_WORD(ISP_REQ_Q_IN(ha, reg), 0);
1052 WRT_REG_WORD(ISP_REQ_Q_OUT(ha, reg), 0);
1053 WRT_REG_WORD(ISP_RSP_Q_IN(ha, reg), 0);
1054 WRT_REG_WORD(ISP_RSP_Q_OUT(ha, reg), 0);
1055 RD_REG_WORD(ISP_RSP_Q_OUT(ha, reg)); /* PCI Posting. */
1059 qla24xx_config_rings(struct scsi_qla_host *ha)
1061 struct device_reg_24xx __iomem *reg = &ha->iobase->isp24;
1062 struct init_cb_24xx *icb;
1064 /* Setup ring parameters in initialization control block. */
1065 icb = (struct init_cb_24xx *)ha->init_cb;
1066 icb->request_q_outpointer = __constant_cpu_to_le16(0);
1067 icb->response_q_inpointer = __constant_cpu_to_le16(0);
1068 icb->request_q_length = cpu_to_le16(ha->request_q_length);
1069 icb->response_q_length = cpu_to_le16(ha->response_q_length);
1070 icb->request_q_address[0] = cpu_to_le32(LSD(ha->request_dma));
1071 icb->request_q_address[1] = cpu_to_le32(MSD(ha->request_dma));
1072 icb->response_q_address[0] = cpu_to_le32(LSD(ha->response_dma));
1073 icb->response_q_address[1] = cpu_to_le32(MSD(ha->response_dma));
1075 WRT_REG_DWORD(®->req_q_in, 0);
1076 WRT_REG_DWORD(®->req_q_out, 0);
1077 WRT_REG_DWORD(®->rsp_q_in, 0);
1078 WRT_REG_DWORD(®->rsp_q_out, 0);
1079 RD_REG_DWORD(®->rsp_q_out);
1083 * qla2x00_init_rings() - Initializes firmware.
1086 * Beginning of request ring has initialization control block already built
1087 * by nvram config routine.
1089 * Returns 0 on success.
1092 qla2x00_init_rings(scsi_qla_host_t *ha)
1095 unsigned long flags = 0;
1098 spin_lock_irqsave(&ha->hardware_lock, flags);
1100 /* Clear outstanding commands array. */
1101 for (cnt = 0; cnt < MAX_OUTSTANDING_COMMANDS; cnt++)
1102 ha->outstanding_cmds[cnt] = NULL;
1104 ha->current_outstanding_cmd = 0;
1106 /* Clear RSCN queue. */
1107 ha->rscn_in_ptr = 0;
1108 ha->rscn_out_ptr = 0;
1110 /* Initialize firmware. */
1111 ha->request_ring_ptr = ha->request_ring;
1112 ha->req_ring_index = 0;
1113 ha->req_q_cnt = ha->request_q_length;
1114 ha->response_ring_ptr = ha->response_ring;
1115 ha->rsp_ring_index = 0;
1117 /* Initialize response queue entries */
1118 qla2x00_init_response_q_entries(ha);
1120 ha->isp_ops.config_rings(ha);
1122 spin_unlock_irqrestore(&ha->hardware_lock, flags);
1124 /* Update any ISP specific firmware options before initialization. */
1125 ha->isp_ops.update_fw_options(ha);
1127 DEBUG(printk("scsi(%ld): Issue init firmware.\n", ha->host_no));
1128 rval = qla2x00_init_firmware(ha, ha->init_cb_size);
1130 DEBUG2_3(printk("scsi(%ld): Init firmware **** FAILED ****.\n",
1133 DEBUG3(printk("scsi(%ld): Init firmware -- success.\n",
1141 * qla2x00_fw_ready() - Waits for firmware ready.
1144 * Returns 0 on success.
1147 qla2x00_fw_ready(scsi_qla_host_t *ha)
1150 unsigned long wtime, mtime;
1151 uint16_t min_wait; /* Minimum wait time if loop is down */
1152 uint16_t wait_time; /* Wait time if loop is coming ready */
1157 /* 20 seconds for loop down. */
1161 * Firmware should take at most one RATOV to login, plus 5 seconds for
1162 * our own processing.
1164 if ((wait_time = (ha->retry_count*ha->login_timeout) + 5) < min_wait) {
1165 wait_time = min_wait;
1168 /* Min wait time if loop down */
1169 mtime = jiffies + (min_wait * HZ);
1171 /* wait time before firmware ready */
1172 wtime = jiffies + (wait_time * HZ);
1174 /* Wait for ISP to finish LIP */
1175 if (!ha->flags.init_done)
1176 qla_printk(KERN_INFO, ha, "Waiting for LIP to complete...\n");
1178 DEBUG3(printk("scsi(%ld): Waiting for LIP to complete...\n",
1182 rval = qla2x00_get_firmware_state(ha, &fw_state);
1183 if (rval == QLA_SUCCESS) {
1184 if (fw_state < FSTATE_LOSS_OF_SYNC) {
1185 ha->device_flags &= ~DFLG_NO_CABLE;
1187 if (fw_state == FSTATE_READY) {
1188 DEBUG(printk("scsi(%ld): F/W Ready - OK \n",
1191 qla2x00_get_retry_cnt(ha, &ha->retry_count,
1192 &ha->login_timeout, &ha->r_a_tov);
1198 rval = QLA_FUNCTION_FAILED;
1200 if (atomic_read(&ha->loop_down_timer) &&
1201 (fw_state >= FSTATE_LOSS_OF_SYNC ||
1202 fw_state == FSTATE_WAIT_AL_PA)) {
1203 /* Loop down. Timeout on min_wait for states
1204 * other than Wait for Login.
1206 if (time_after_eq(jiffies, mtime)) {
1207 qla_printk(KERN_INFO, ha,
1208 "Cable is unplugged...\n");
1210 ha->device_flags |= DFLG_NO_CABLE;
1215 /* Mailbox cmd failed. Timeout on min_wait. */
1216 if (time_after_eq(jiffies, mtime))
1220 if (time_after_eq(jiffies, wtime))
1223 /* Delay for a while */
1226 DEBUG3(printk("scsi(%ld): fw_state=%x curr time=%lx.\n",
1227 ha->host_no, fw_state, jiffies));
1230 DEBUG(printk("scsi(%ld): fw_state=%x curr time=%lx.\n",
1231 ha->host_no, fw_state, jiffies));
1234 DEBUG2_3(printk("scsi(%ld): Firmware ready **** FAILED ****.\n",
1242 * qla2x00_configure_hba
1243 * Setup adapter context.
1246 * ha = adapter state pointer.
1255 qla2x00_configure_hba(scsi_qla_host_t *ha)
1263 char connect_type[22];
1265 /* Get host addresses. */
1266 rval = qla2x00_get_adapter_id(ha,
1267 &loop_id, &al_pa, &area, &domain, &topo);
1268 if (rval != QLA_SUCCESS) {
1269 qla_printk(KERN_WARNING, ha,
1270 "ERROR -- Unable to get host loop ID.\n");
1271 set_bit(ISP_ABORT_NEEDED, &ha->dpc_flags);
1276 qla_printk(KERN_INFO, ha,
1277 "Cannot get topology - retrying.\n");
1278 return (QLA_FUNCTION_FAILED);
1281 ha->loop_id = loop_id;
1284 ha->min_external_loopid = SNS_FIRST_LOOP_ID;
1285 ha->operating_mode = LOOP;
1289 DEBUG3(printk("scsi(%ld): HBA in NL topology.\n",
1291 ha->current_topology = ISP_CFG_NL;
1292 strcpy(connect_type, "(Loop)");
1296 DEBUG3(printk("scsi(%ld): HBA in FL topology.\n",
1298 ha->current_topology = ISP_CFG_FL;
1299 strcpy(connect_type, "(FL_Port)");
1303 DEBUG3(printk("scsi(%ld): HBA in N P2P topology.\n",
1305 ha->operating_mode = P2P;
1306 ha->current_topology = ISP_CFG_N;
1307 strcpy(connect_type, "(N_Port-to-N_Port)");
1311 DEBUG3(printk("scsi(%ld): HBA in F P2P topology.\n",
1313 ha->operating_mode = P2P;
1314 ha->current_topology = ISP_CFG_F;
1315 strcpy(connect_type, "(F_Port)");
1319 DEBUG3(printk("scsi(%ld): HBA in unknown topology %x. "
1321 ha->host_no, topo));
1322 ha->current_topology = ISP_CFG_NL;
1323 strcpy(connect_type, "(Loop)");
1327 /* Save Host port and loop ID. */
1328 /* byte order - Big Endian */
1329 ha->d_id.b.domain = domain;
1330 ha->d_id.b.area = area;
1331 ha->d_id.b.al_pa = al_pa;
1333 if (!ha->flags.init_done)
1334 qla_printk(KERN_INFO, ha,
1335 "Topology - %s, Host Loop address 0x%x\n",
1336 connect_type, ha->loop_id);
1339 DEBUG2_3(printk("scsi(%ld): FAILED.\n", ha->host_no));
1341 DEBUG3(printk("scsi(%ld): exiting normally.\n", ha->host_no));
1348 * NVRAM configuration for ISP 2xxx
1351 * ha = adapter block pointer.
1354 * initialization control block in response_ring
1355 * host adapters parameters in host adapter block
1361 qla2x00_nvram_config(scsi_qla_host_t *ha)
1366 uint8_t *dptr1, *dptr2;
1367 init_cb_t *icb = ha->init_cb;
1368 nvram_t *nv = (nvram_t *)ha->request_ring;
1369 uint8_t *ptr = (uint8_t *)ha->request_ring;
1370 struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
1375 /* Determine NVRAM starting address. */
1376 ha->nvram_size = sizeof(nvram_t);
1378 if (!IS_QLA2100(ha) && !IS_QLA2200(ha) && !IS_QLA2300(ha))
1379 if ((RD_REG_WORD(®->ctrl_status) >> 14) == 1)
1380 ha->nvram_base = 0x80;
1382 /* Get NVRAM data and calculate checksum. */
1383 ha->isp_ops.read_nvram(ha, ptr, ha->nvram_base, ha->nvram_size);
1384 for (cnt = 0, chksum = 0; cnt < ha->nvram_size; cnt++)
1387 DEBUG5(printk("scsi(%ld): Contents of NVRAM\n", ha->host_no));
1388 DEBUG5(qla2x00_dump_buffer((uint8_t *)ha->request_ring,
1391 /* Bad NVRAM data, set defaults parameters. */
1392 if (chksum || nv->id[0] != 'I' || nv->id[1] != 'S' ||
1393 nv->id[2] != 'P' || nv->id[3] != ' ' || nv->nvram_version < 1) {
1394 /* Reset NVRAM data. */
1395 qla_printk(KERN_WARNING, ha, "Inconsistent NVRAM detected: "
1396 "checksum=0x%x id=%c version=0x%x.\n", chksum, nv->id[0],
1398 qla_printk(KERN_WARNING, ha, "Falling back to functioning (yet "
1399 "invalid -- WWPN) defaults.\n");
1402 * Set default initialization control block.
1404 memset(nv, 0, ha->nvram_size);
1405 nv->parameter_block_version = ICB_VERSION;
1407 if (IS_QLA23XX(ha)) {
1408 nv->firmware_options[0] = BIT_2 | BIT_1;
1409 nv->firmware_options[1] = BIT_7 | BIT_5;
1410 nv->add_firmware_options[0] = BIT_5;
1411 nv->add_firmware_options[1] = BIT_5 | BIT_4;
1412 nv->frame_payload_size = __constant_cpu_to_le16(2048);
1413 nv->special_options[1] = BIT_7;
1414 } else if (IS_QLA2200(ha)) {
1415 nv->firmware_options[0] = BIT_2 | BIT_1;
1416 nv->firmware_options[1] = BIT_7 | BIT_5;
1417 nv->add_firmware_options[0] = BIT_5;
1418 nv->add_firmware_options[1] = BIT_5 | BIT_4;
1419 nv->frame_payload_size = __constant_cpu_to_le16(1024);
1420 } else if (IS_QLA2100(ha)) {
1421 nv->firmware_options[0] = BIT_3 | BIT_1;
1422 nv->firmware_options[1] = BIT_5;
1423 nv->frame_payload_size = __constant_cpu_to_le16(1024);
1426 nv->max_iocb_allocation = __constant_cpu_to_le16(256);
1427 nv->execution_throttle = __constant_cpu_to_le16(16);
1428 nv->retry_count = 8;
1429 nv->retry_delay = 1;
1431 nv->port_name[0] = 33;
1432 nv->port_name[3] = 224;
1433 nv->port_name[4] = 139;
1435 nv->login_timeout = 4;
1438 * Set default host adapter parameters
1440 nv->host_p[1] = BIT_2;
1441 nv->reset_delay = 5;
1442 nv->port_down_retry_count = 8;
1443 nv->max_luns_per_target = __constant_cpu_to_le16(8);
1444 nv->link_down_timeout = 60;
1449 #if defined(CONFIG_IA64_GENERIC) || defined(CONFIG_IA64_SGI_SN2)
1451 * The SN2 does not provide BIOS emulation which means you can't change
1452 * potentially bogus BIOS settings. Force the use of default settings
1453 * for link rate and frame size. Hope that the rest of the settings
1456 if (ia64_platform_is("sn2")) {
1457 nv->frame_payload_size = __constant_cpu_to_le16(2048);
1459 nv->special_options[1] = BIT_7;
1463 /* Reset Initialization control block */
1464 memset(icb, 0, ha->init_cb_size);
1467 * Setup driver NVRAM options.
1469 nv->firmware_options[0] |= (BIT_6 | BIT_1);
1470 nv->firmware_options[0] &= ~(BIT_5 | BIT_4);
1471 nv->firmware_options[1] |= (BIT_5 | BIT_0);
1472 nv->firmware_options[1] &= ~BIT_4;
1474 if (IS_QLA23XX(ha)) {
1475 nv->firmware_options[0] |= BIT_2;
1476 nv->firmware_options[0] &= ~BIT_3;
1477 nv->add_firmware_options[1] |= BIT_5 | BIT_4;
1479 if (IS_QLA2300(ha)) {
1480 if (ha->fb_rev == FPM_2310) {
1481 strcpy(ha->model_number, "QLA2310");
1483 strcpy(ha->model_number, "QLA2300");
1487 memcmp(nv->model_number, BINZERO,
1488 sizeof(nv->model_number)) != 0) {
1491 strncpy(ha->model_number, nv->model_number,
1492 sizeof(nv->model_number));
1493 st = en = ha->model_number;
1494 en += sizeof(nv->model_number) - 1;
1496 if (*en != 0x20 && *en != 0x00)
1503 index = (ha->pdev->subsystem_device & 0xff);
1504 if (index < QLA_MODEL_NAMES) {
1505 strcpy(ha->model_number,
1506 qla2x00_model_name[index]);
1508 qla2x00_model_desc[index];
1510 strcpy(ha->model_number, "QLA23xx");
1514 } else if (IS_QLA2200(ha)) {
1515 nv->firmware_options[0] |= BIT_2;
1517 * 'Point-to-point preferred, else loop' is not a safe
1518 * connection mode setting.
1520 if ((nv->add_firmware_options[0] & (BIT_6 | BIT_5 | BIT_4)) ==
1522 /* Force 'loop preferred, else point-to-point'. */
1523 nv->add_firmware_options[0] &= ~(BIT_6 | BIT_5 | BIT_4);
1524 nv->add_firmware_options[0] |= BIT_5;
1526 strcpy(ha->model_number, "QLA22xx");
1527 } else /*if (IS_QLA2100(ha))*/ {
1528 strcpy(ha->model_number, "QLA2100");
1532 * Copy over NVRAM RISC parameter block to initialization control block.
1534 dptr1 = (uint8_t *)icb;
1535 dptr2 = (uint8_t *)&nv->parameter_block_version;
1536 cnt = (uint8_t *)&icb->request_q_outpointer - (uint8_t *)&icb->version;
1538 *dptr1++ = *dptr2++;
1540 /* Copy 2nd half. */
1541 dptr1 = (uint8_t *)icb->add_firmware_options;
1542 cnt = (uint8_t *)icb->reserved_3 - (uint8_t *)icb->add_firmware_options;
1544 *dptr1++ = *dptr2++;
1546 /* Prepare nodename */
1547 if ((icb->firmware_options[1] & BIT_6) == 0) {
1549 * Firmware will apply the following mask if the nodename was
1552 memcpy(icb->node_name, icb->port_name, WWN_SIZE);
1553 icb->node_name[0] &= 0xF0;
1557 * Set host adapter parameters.
1559 ha->flags.disable_risc_code_load = ((nv->host_p[0] & BIT_4) ? 1 : 0);
1560 /* Always load RISC code on non ISP2[12]00 chips. */
1561 if (!IS_QLA2100(ha) && !IS_QLA2200(ha))
1562 ha->flags.disable_risc_code_load = 0;
1563 ha->flags.enable_lip_reset = ((nv->host_p[1] & BIT_1) ? 1 : 0);
1564 ha->flags.enable_lip_full_login = ((nv->host_p[1] & BIT_2) ? 1 : 0);
1565 ha->flags.enable_target_reset = ((nv->host_p[1] & BIT_3) ? 1 : 0);
1566 ha->flags.enable_led_scheme = ((nv->efi_parameters & BIT_3) ? 1 : 0);
1568 ha->operating_mode =
1569 (icb->add_firmware_options[0] & (BIT_6 | BIT_5 | BIT_4)) >> 4;
1571 memcpy(ha->fw_seriallink_options, nv->seriallink_options,
1572 sizeof(ha->fw_seriallink_options));
1574 /* save HBA serial number */
1575 ha->serial0 = icb->port_name[5];
1576 ha->serial1 = icb->port_name[6];
1577 ha->serial2 = icb->port_name[7];
1578 ha->node_name = icb->node_name;
1579 ha->port_name = icb->port_name;
1581 icb->execution_throttle = __constant_cpu_to_le16(0xFFFF);
1583 ha->retry_count = nv->retry_count;
1585 /* Set minimum login_timeout to 4 seconds. */
1586 if (nv->login_timeout < ql2xlogintimeout)
1587 nv->login_timeout = ql2xlogintimeout;
1588 if (nv->login_timeout < 4)
1589 nv->login_timeout = 4;
1590 ha->login_timeout = nv->login_timeout;
1591 icb->login_timeout = nv->login_timeout;
1593 /* Set minimum RATOV to 200 tenths of a second. */
1596 ha->loop_reset_delay = nv->reset_delay;
1598 /* Link Down Timeout = 0:
1600 * When Port Down timer expires we will start returning
1601 * I/O's to OS with "DID_NO_CONNECT".
1603 * Link Down Timeout != 0:
1605 * The driver waits for the link to come up after link down
1606 * before returning I/Os to OS with "DID_NO_CONNECT".
1608 if (nv->link_down_timeout == 0) {
1609 ha->loop_down_abort_time =
1610 (LOOP_DOWN_TIME - LOOP_DOWN_TIMEOUT);
1612 ha->link_down_timeout = nv->link_down_timeout;
1613 ha->loop_down_abort_time =
1614 (LOOP_DOWN_TIME - ha->link_down_timeout);
1618 * Need enough time to try and get the port back.
1620 ha->port_down_retry_count = nv->port_down_retry_count;
1621 if (qlport_down_retry)
1622 ha->port_down_retry_count = qlport_down_retry;
1623 /* Set login_retry_count */
1624 ha->login_retry_count = nv->retry_count;
1625 if (ha->port_down_retry_count == nv->port_down_retry_count &&
1626 ha->port_down_retry_count > 3)
1627 ha->login_retry_count = ha->port_down_retry_count;
1628 else if (ha->port_down_retry_count > (int)ha->login_retry_count)
1629 ha->login_retry_count = ha->port_down_retry_count;
1630 if (ql2xloginretrycount)
1631 ha->login_retry_count = ql2xloginretrycount;
1633 icb->lun_enables = __constant_cpu_to_le16(0);
1634 icb->command_resource_count = 0;
1635 icb->immediate_notify_resource_count = 0;
1636 icb->timeout = __constant_cpu_to_le16(0);
1638 if (IS_QLA2100(ha) || IS_QLA2200(ha)) {
1640 icb->firmware_options[0] &= ~BIT_3;
1641 icb->add_firmware_options[0] &=
1642 ~(BIT_3 | BIT_2 | BIT_1 | BIT_0);
1643 icb->add_firmware_options[0] |= BIT_2;
1644 icb->response_accumulation_timer = 3;
1645 icb->interrupt_delay_timer = 5;
1647 ha->flags.process_response_queue = 1;
1649 /* Enable ZIO -- Support mode 5 only. */
1650 timer_mode = icb->add_firmware_options[0] &
1651 (BIT_3 | BIT_2 | BIT_1 | BIT_0);
1652 icb->add_firmware_options[0] &=
1653 ~(BIT_3 | BIT_2 | BIT_1 | BIT_0);
1655 timer_mode = BIT_2 | BIT_0;
1656 if (timer_mode == (BIT_2 | BIT_0)) {
1657 DEBUG2(printk("scsi(%ld): ZIO enabled; timer delay "
1658 "(%d).\n", ha->host_no, ql2xintrdelaytimer));
1659 qla_printk(KERN_INFO, ha,
1660 "ZIO enabled; timer delay (%d).\n",
1661 ql2xintrdelaytimer);
1663 icb->add_firmware_options[0] |= timer_mode;
1664 icb->interrupt_delay_timer = ql2xintrdelaytimer;
1665 ha->flags.process_response_queue = 1;
1670 DEBUG2_3(printk(KERN_WARNING
1671 "scsi(%ld): NVRAM configuration failed!\n", ha->host_no));
1677 * qla2x00_alloc_fcport() - Allocate a generic fcport.
1679 * @flags: allocation flags
1681 * Returns a pointer to the allocated fcport, or NULL, if none available.
1684 qla2x00_alloc_fcport(scsi_qla_host_t *ha, int flags)
1688 fcport = kmalloc(sizeof(fc_port_t), flags);
1692 /* Setup fcport template structure. */
1693 memset(fcport, 0, sizeof (fc_port_t));
1695 fcport->port_type = FCT_UNKNOWN;
1696 fcport->loop_id = FC_NO_LOOP_ID;
1697 fcport->iodesc_idx_sent = IODESC_INVALID_INDEX;
1698 atomic_set(&fcport->state, FCS_UNCONFIGURED);
1699 fcport->flags = FCF_RLC_SUPPORT;
1705 * qla2x00_configure_loop
1706 * Updates Fibre Channel Device Database with what is actually on loop.
1709 * ha = adapter block pointer.
1714 * 2 = database was full and device was not configured.
1717 qla2x00_configure_loop(scsi_qla_host_t *ha)
1720 unsigned long flags, save_flags;
1724 /* Get Initiator ID */
1725 if (test_bit(LOCAL_LOOP_UPDATE, &ha->dpc_flags)) {
1726 rval = qla2x00_configure_hba(ha);
1727 if (rval != QLA_SUCCESS) {
1728 DEBUG(printk("scsi(%ld): Unable to configure HBA.\n",
1734 save_flags = flags = ha->dpc_flags;
1735 DEBUG(printk("scsi(%ld): Configure loop -- dpc flags =0x%lx\n",
1736 ha->host_no, flags));
1739 * If we have both an RSCN and PORT UPDATE pending then handle them
1740 * both at the same time.
1742 clear_bit(LOCAL_LOOP_UPDATE, &ha->dpc_flags);
1743 clear_bit(RSCN_UPDATE, &ha->dpc_flags);
1745 /* Determine what we need to do */
1746 if (ha->current_topology == ISP_CFG_FL &&
1747 (test_bit(LOCAL_LOOP_UPDATE, &flags))) {
1749 ha->flags.rscn_queue_overflow = 1;
1750 set_bit(RSCN_UPDATE, &flags);
1752 } else if (ha->current_topology == ISP_CFG_F &&
1753 (test_bit(LOCAL_LOOP_UPDATE, &flags))) {
1755 ha->flags.rscn_queue_overflow = 1;
1756 set_bit(RSCN_UPDATE, &flags);
1757 clear_bit(LOCAL_LOOP_UPDATE, &flags);
1759 } else if (!ha->flags.online ||
1760 (test_bit(ABORT_ISP_ACTIVE, &flags))) {
1762 ha->flags.rscn_queue_overflow = 1;
1763 set_bit(RSCN_UPDATE, &flags);
1764 set_bit(LOCAL_LOOP_UPDATE, &flags);
1767 if (test_bit(LOCAL_LOOP_UPDATE, &flags)) {
1768 if (test_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags)) {
1769 rval = QLA_FUNCTION_FAILED;
1771 rval = qla2x00_configure_local_loop(ha);
1775 if (rval == QLA_SUCCESS && test_bit(RSCN_UPDATE, &flags)) {
1776 if (test_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags)) {
1777 rval = QLA_FUNCTION_FAILED;
1779 rval = qla2x00_configure_fabric(ha);
1783 if (rval == QLA_SUCCESS) {
1784 if (atomic_read(&ha->loop_down_timer) ||
1785 test_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags)) {
1786 rval = QLA_FUNCTION_FAILED;
1788 atomic_set(&ha->loop_state, LOOP_READY);
1790 DEBUG(printk("scsi(%ld): LOOP READY\n", ha->host_no));
1795 DEBUG2_3(printk("%s(%ld): *** FAILED ***\n",
1796 __func__, ha->host_no));
1798 DEBUG3(printk("%s: exiting normally\n", __func__));
1801 /* Restore state if a resync event occured during processing */
1802 if (test_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags)) {
1803 if (test_bit(LOCAL_LOOP_UPDATE, &save_flags))
1804 set_bit(LOCAL_LOOP_UPDATE, &ha->dpc_flags);
1805 if (test_bit(RSCN_UPDATE, &save_flags))
1806 set_bit(RSCN_UPDATE, &ha->dpc_flags);
1815 * qla2x00_configure_local_loop
1816 * Updates Fibre Channel Device Database with local loop devices.
1819 * ha = adapter block pointer.
1825 qla2x00_configure_local_loop(scsi_qla_host_t *ha)
1830 fc_port_t *fcport, *new_fcport;
1836 uint8_t domain, area, al_pa;
1840 entries = MAX_FIBRE_DEVICES;
1842 DEBUG3(printk("scsi(%ld): Getting FCAL position map\n", ha->host_no));
1843 DEBUG3(qla2x00_get_fcal_position_map(ha, NULL));
1845 /* Get list of logged in devices. */
1846 memset(ha->gid_list, 0, GID_LIST_SIZE);
1847 rval = qla2x00_get_id_list(ha, ha->gid_list, ha->gid_list_dma,
1849 if (rval != QLA_SUCCESS)
1850 goto cleanup_allocation;
1852 DEBUG3(printk("scsi(%ld): Entries in ID list (%d)\n",
1853 ha->host_no, entries));
1854 DEBUG3(qla2x00_dump_buffer((uint8_t *)ha->gid_list,
1855 entries * sizeof(struct gid_list_info)));
1857 /* Allocate temporary fcport for any new fcports discovered. */
1858 new_fcport = qla2x00_alloc_fcport(ha, GFP_KERNEL);
1859 if (new_fcport == NULL) {
1860 rval = QLA_MEMORY_ALLOC_FAILED;
1861 goto cleanup_allocation;
1863 new_fcport->flags &= ~FCF_FABRIC_DEVICE;
1866 * Mark local devices that were present with FCF_DEVICE_LOST for now.
1868 list_for_each_entry(fcport, &ha->fcports, list) {
1869 if (atomic_read(&fcport->state) == FCS_ONLINE &&
1870 fcport->port_type != FCT_BROADCAST &&
1871 (fcport->flags & FCF_FABRIC_DEVICE) == 0) {
1873 DEBUG(printk("scsi(%ld): Marking port lost, "
1875 ha->host_no, fcport->loop_id));
1877 atomic_set(&fcport->state, FCS_DEVICE_LOST);
1878 fcport->flags &= ~FCF_FARP_DONE;
1882 /* Add devices to port list. */
1883 id_iter = (char *)ha->gid_list;
1884 for (index = 0; index < entries; index++) {
1885 domain = ((struct gid_list_info *)id_iter)->domain;
1886 area = ((struct gid_list_info *)id_iter)->area;
1887 al_pa = ((struct gid_list_info *)id_iter)->al_pa;
1888 if (IS_QLA2100(ha) || IS_QLA2200(ha))
1889 loop_id = (uint16_t)
1890 ((struct gid_list_info *)id_iter)->loop_id_2100;
1892 loop_id = le16_to_cpu(
1893 ((struct gid_list_info *)id_iter)->loop_id);
1894 id_iter += ha->gid_list_info_size;
1896 /* Bypass reserved domain fields. */
1897 if ((domain & 0xf0) == 0xf0)
1900 /* Bypass if not same domain and area of adapter. */
1901 if (area != ha->d_id.b.area || domain != ha->d_id.b.domain)
1904 /* Bypass invalid local loop ID. */
1905 if (loop_id > LAST_LOCAL_LOOP_ID)
1908 /* Fill in member data. */
1909 new_fcport->d_id.b.domain = domain;
1910 new_fcport->d_id.b.area = area;
1911 new_fcport->d_id.b.al_pa = al_pa;
1912 new_fcport->loop_id = loop_id;
1913 rval2 = qla2x00_get_port_database(ha, new_fcport, 0);
1914 if (rval2 != QLA_SUCCESS) {
1915 DEBUG2(printk("scsi(%ld): Failed to retrieve fcport "
1916 "information -- get_port_database=%x, "
1918 ha->host_no, rval2, new_fcport->loop_id));
1922 /* Check for matching device in port list. */
1925 list_for_each_entry(fcport, &ha->fcports, list) {
1926 if (memcmp(new_fcport->port_name, fcport->port_name,
1930 fcport->flags &= ~(FCF_FABRIC_DEVICE |
1931 FCF_PERSISTENT_BOUND);
1932 fcport->loop_id = new_fcport->loop_id;
1933 fcport->port_type = new_fcport->port_type;
1934 fcport->d_id.b24 = new_fcport->d_id.b24;
1935 memcpy(fcport->node_name, new_fcport->node_name,
1943 /* New device, add to fcports list. */
1944 new_fcport->flags &= ~FCF_PERSISTENT_BOUND;
1945 list_add_tail(&new_fcport->list, &ha->fcports);
1947 /* Allocate a new replacement fcport. */
1948 fcport = new_fcport;
1949 new_fcport = qla2x00_alloc_fcport(ha, GFP_KERNEL);
1950 if (new_fcport == NULL) {
1951 rval = QLA_MEMORY_ALLOC_FAILED;
1952 goto cleanup_allocation;
1954 new_fcport->flags &= ~FCF_FABRIC_DEVICE;
1957 qla2x00_update_fcport(ha, fcport);
1966 if (rval != QLA_SUCCESS) {
1967 DEBUG2(printk("scsi(%ld): Configure local loop error exit: "
1968 "rval=%x\n", ha->host_no, rval));
1972 ha->device_flags |= DFLG_LOCAL_DEVICES;
1973 ha->device_flags &= ~DFLG_RETRY_LOCAL_DEVICES;
1980 qla2x00_probe_for_all_luns(scsi_qla_host_t *ha)
1984 qla2x00_mark_all_devices_lost(ha);
1985 list_for_each_entry(fcport, &ha->fcports, list) {
1986 if (fcport->port_type != FCT_TARGET)
1989 qla2x00_update_fcport(ha, fcport);
1994 * qla2x00_update_fcport
1995 * Updates device on list.
1998 * ha = adapter block pointer.
1999 * fcport = port structure pointer.
2009 qla2x00_update_fcport(scsi_qla_host_t *ha, fc_port_t *fcport)
2012 unsigned long flags;
2016 fcport->login_retry = 0;
2017 fcport->port_login_retry_count = ha->port_down_retry_count *
2019 atomic_set(&fcport->port_down_timer, ha->port_down_retry_count *
2021 fcport->flags &= ~FCF_LOGIN_NEEDED;
2024 * Check for outstanding cmd on tape Bypass LUN discovery if active
2027 if (fcport->flags & FCF_TAPE_PRESENT) {
2028 spin_lock_irqsave(&ha->hardware_lock, flags);
2029 for (index = 1; index < MAX_OUTSTANDING_COMMANDS; index++) {
2032 if ((sp = ha->outstanding_cmds[index]) != 0) {
2034 if (sfcp == fcport) {
2035 atomic_set(&fcport->state, FCS_ONLINE);
2036 spin_unlock_irqrestore(
2037 &ha->hardware_lock, flags);
2042 spin_unlock_irqrestore(&ha->hardware_lock, flags);
2045 if (fcport->port_type == FCT_INITIATOR ||
2046 fcport->port_type == FCT_BROADCAST)
2047 fcport->device_type = TYPE_PROCESSOR;
2049 atomic_set(&fcport->state, FCS_ONLINE);
2051 if (ha->flags.init_done)
2052 qla2x00_reg_remote_port(ha, fcport);
2056 qla2x00_reg_remote_port(scsi_qla_host_t *ha, fc_port_t *fcport)
2058 struct fc_rport_identifiers rport_ids;
2059 struct fc_rport *rport;
2061 if (fcport->rport) {
2062 fc_remote_port_unblock(fcport->rport);
2066 rport_ids.node_name = be64_to_cpu(*(uint64_t *)fcport->node_name);
2067 rport_ids.port_name = be64_to_cpu(*(uint64_t *)fcport->port_name);
2068 rport_ids.port_id = fcport->d_id.b.domain << 16 |
2069 fcport->d_id.b.area << 8 | fcport->d_id.b.al_pa;
2070 rport_ids.roles = FC_RPORT_ROLE_UNKNOWN;
2071 fcport->rport = rport = fc_remote_port_add(ha->host, 0, &rport_ids);
2073 qla_printk(KERN_WARNING, ha,
2074 "Unable to allocate fc remote port!\n");
2077 rport->dd_data = fcport;
2079 rport_ids.roles = FC_RPORT_ROLE_UNKNOWN;
2080 if (fcport->port_type == FCT_INITIATOR)
2081 rport_ids.roles |= FC_RPORT_ROLE_FCP_INITIATOR;
2082 if (fcport->port_type == FCT_TARGET)
2083 rport_ids.roles |= FC_RPORT_ROLE_FCP_TARGET;
2084 fc_remote_port_rolechg(rport, rport_ids.roles);
2086 if (rport->scsi_target_id != -1 &&
2087 rport->scsi_target_id < ha->host->max_id)
2088 fcport->os_target_id = rport->scsi_target_id;
2092 * qla2x00_configure_fabric
2093 * Setup SNS devices with loop ID's.
2096 * ha = adapter block pointer.
2103 qla2x00_configure_fabric(scsi_qla_host_t *ha)
2106 fc_port_t *fcport, *fcptemp;
2107 uint16_t next_loopid;
2108 uint16_t mb[MAILBOX_REGISTER_COUNT];
2110 LIST_HEAD(new_fcports);
2112 /* If FL port exists, then SNS is present */
2113 if (IS_QLA24XX(ha) || IS_QLA25XX(ha))
2114 loop_id = NPH_F_PORT;
2116 loop_id = SNS_FL_PORT;
2117 rval = qla2x00_get_port_name(ha, loop_id, NULL, 0);
2118 if (rval != QLA_SUCCESS) {
2119 DEBUG2(printk("scsi(%ld): MBC_GET_PORT_NAME Failed, No FL "
2120 "Port\n", ha->host_no));
2122 ha->device_flags &= ~SWITCH_FOUND;
2123 return (QLA_SUCCESS);
2126 /* Mark devices that need re-synchronization. */
2127 rval2 = qla2x00_device_resync(ha);
2128 if (rval2 == QLA_RSCNS_HANDLED) {
2129 /* No point doing the scan, just continue. */
2130 return (QLA_SUCCESS);
2133 /* Ensure we are logged into the SNS. */
2134 if (IS_QLA24XX(ha) || IS_QLA25XX(ha))
2137 loop_id = SIMPLE_NAME_SERVER;
2138 ha->isp_ops.fabric_login(ha, loop_id, 0xff, 0xff,
2139 0xfc, mb, BIT_1 | BIT_0);
2140 if (mb[0] != MBS_COMMAND_COMPLETE) {
2141 DEBUG2(qla_printk(KERN_INFO, ha,
2142 "Failed SNS login: loop_id=%x mb[0]=%x mb[1]=%x "
2143 "mb[2]=%x mb[6]=%x mb[7]=%x\n", loop_id,
2144 mb[0], mb[1], mb[2], mb[6], mb[7]));
2145 return (QLA_SUCCESS);
2148 if (test_and_clear_bit(REGISTER_FC4_NEEDED, &ha->dpc_flags)) {
2149 if (qla2x00_rft_id(ha)) {
2151 DEBUG2(printk("scsi(%ld): Register FC-4 "
2152 "TYPE failed.\n", ha->host_no));
2154 if (qla2x00_rff_id(ha)) {
2156 DEBUG2(printk("scsi(%ld): Register FC-4 "
2157 "Features failed.\n", ha->host_no));
2159 if (qla2x00_rnn_id(ha)) {
2161 DEBUG2(printk("scsi(%ld): Register Node Name "
2162 "failed.\n", ha->host_no));
2163 } else if (qla2x00_rsnn_nn(ha)) {
2165 DEBUG2(printk("scsi(%ld): Register Symbolic "
2166 "Node Name failed.\n", ha->host_no));
2170 rval = qla2x00_find_all_fabric_devs(ha, &new_fcports);
2171 if (rval != QLA_SUCCESS)
2175 * Logout all previous fabric devices marked lost, except
2178 list_for_each_entry(fcport, &ha->fcports, list) {
2179 if (test_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags))
2182 if ((fcport->flags & FCF_FABRIC_DEVICE) == 0)
2185 if (atomic_read(&fcport->state) == FCS_DEVICE_LOST) {
2186 qla2x00_mark_device_lost(ha, fcport,
2187 ql2xplogiabsentdevice);
2188 if (fcport->loop_id != FC_NO_LOOP_ID &&
2189 (fcport->flags & FCF_TAPE_PRESENT) == 0 &&
2190 fcport->port_type != FCT_INITIATOR &&
2191 fcport->port_type != FCT_BROADCAST) {
2193 ha->isp_ops.fabric_logout(ha,
2195 fcport->d_id.b.domain,
2196 fcport->d_id.b.area,
2197 fcport->d_id.b.al_pa);
2198 fcport->loop_id = FC_NO_LOOP_ID;
2203 /* Starting free loop ID. */
2204 next_loopid = ha->min_external_loopid;
2207 * Scan through our port list and login entries that need to be
2210 list_for_each_entry(fcport, &ha->fcports, list) {
2211 if (atomic_read(&ha->loop_down_timer) ||
2212 test_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags))
2215 if ((fcport->flags & FCF_FABRIC_DEVICE) == 0 ||
2216 (fcport->flags & FCF_LOGIN_NEEDED) == 0)
2219 if (fcport->loop_id == FC_NO_LOOP_ID) {
2220 fcport->loop_id = next_loopid;
2221 rval = qla2x00_find_new_loop_id(ha, fcport);
2222 if (rval != QLA_SUCCESS) {
2223 /* Ran out of IDs to use */
2227 /* Login and update database */
2228 qla2x00_fabric_dev_login(ha, fcport, &next_loopid);
2231 /* Exit if out of loop IDs. */
2232 if (rval != QLA_SUCCESS) {
2237 * Login and add the new devices to our port list.
2239 list_for_each_entry_safe(fcport, fcptemp, &new_fcports, list) {
2240 if (atomic_read(&ha->loop_down_timer) ||
2241 test_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags))
2244 /* Find a new loop ID to use. */
2245 fcport->loop_id = next_loopid;
2246 rval = qla2x00_find_new_loop_id(ha, fcport);
2247 if (rval != QLA_SUCCESS) {
2248 /* Ran out of IDs to use */
2252 /* Remove device from the new list and add it to DB */
2253 list_del(&fcport->list);
2254 list_add_tail(&fcport->list, &ha->fcports);
2256 /* Login and update database */
2257 qla2x00_fabric_dev_login(ha, fcport, &next_loopid);
2261 /* Free all new device structures not processed. */
2262 list_for_each_entry_safe(fcport, fcptemp, &new_fcports, list) {
2263 list_del(&fcport->list);
2268 DEBUG2(printk("scsi(%ld): Configure fabric error exit: "
2269 "rval=%d\n", ha->host_no, rval));
2277 * qla2x00_find_all_fabric_devs
2280 * ha = adapter block pointer.
2281 * dev = database device entry pointer.
2290 qla2x00_find_all_fabric_devs(scsi_qla_host_t *ha, struct list_head *new_fcports)
2294 fc_port_t *fcport, *new_fcport, *fcptemp;
2299 int first_dev, last_dev;
2300 port_id_t wrap, nxt_d_id;
2304 /* Try GID_PT to get device list, else GAN. */
2305 swl = kmalloc(sizeof(sw_info_t) * MAX_FIBRE_DEVICES, GFP_ATOMIC);
2308 DEBUG2(printk("scsi(%ld): GID_PT allocations failed, fallback "
2309 "on GA_NXT\n", ha->host_no));
2311 memset(swl, 0, sizeof(sw_info_t) * MAX_FIBRE_DEVICES);
2312 if (qla2x00_gid_pt(ha, swl) != QLA_SUCCESS) {
2315 } else if (qla2x00_gpn_id(ha, swl) != QLA_SUCCESS) {
2318 } else if (qla2x00_gnn_id(ha, swl) != QLA_SUCCESS) {
2325 /* Allocate temporary fcport for any new fcports discovered. */
2326 new_fcport = qla2x00_alloc_fcport(ha, GFP_KERNEL);
2327 if (new_fcport == NULL) {
2330 return (QLA_MEMORY_ALLOC_FAILED);
2332 new_fcport->flags |= (FCF_FABRIC_DEVICE | FCF_LOGIN_NEEDED);
2334 /* Set start port ID scan at adapter ID. */
2338 /* Starting free loop ID. */
2339 loop_id = ha->min_external_loopid;
2340 for (; loop_id <= ha->last_loop_id; loop_id++) {
2341 if (qla2x00_is_reserved_id(ha, loop_id))
2344 if (atomic_read(&ha->loop_down_timer) ||
2345 test_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags))
2350 wrap.b24 = new_fcport->d_id.b24;
2352 new_fcport->d_id.b24 = swl[swl_idx].d_id.b24;
2353 memcpy(new_fcport->node_name,
2354 swl[swl_idx].node_name, WWN_SIZE);
2355 memcpy(new_fcport->port_name,
2356 swl[swl_idx].port_name, WWN_SIZE);
2358 if (swl[swl_idx].d_id.b.rsvd_1 != 0) {
2364 /* Send GA_NXT to the switch */
2365 rval = qla2x00_ga_nxt(ha, new_fcport);
2366 if (rval != QLA_SUCCESS) {
2367 qla_printk(KERN_WARNING, ha,
2368 "SNS scan failed -- assuming zero-entry "
2370 list_for_each_entry_safe(fcport, fcptemp,
2371 new_fcports, list) {
2372 list_del(&fcport->list);
2380 /* If wrap on switch device list, exit. */
2382 wrap.b24 = new_fcport->d_id.b24;
2384 } else if (new_fcport->d_id.b24 == wrap.b24) {
2385 DEBUG2(printk("scsi(%ld): device wrap (%02x%02x%02x)\n",
2386 ha->host_no, new_fcport->d_id.b.domain,
2387 new_fcport->d_id.b.area, new_fcport->d_id.b.al_pa));
2391 /* Bypass if host adapter. */
2392 if (new_fcport->d_id.b24 == ha->d_id.b24)
2395 /* Bypass reserved domain fields. */
2396 if ((new_fcport->d_id.b.domain & 0xf0) == 0xf0)
2399 /* Locate matching device in database. */
2401 list_for_each_entry(fcport, &ha->fcports, list) {
2402 if (memcmp(new_fcport->port_name, fcport->port_name,
2409 * If address the same and state FCS_ONLINE, nothing
2412 if (fcport->d_id.b24 == new_fcport->d_id.b24 &&
2413 atomic_read(&fcport->state) == FCS_ONLINE) {
2418 * If device was not a fabric device before.
2420 if ((fcport->flags & FCF_FABRIC_DEVICE) == 0) {
2421 fcport->d_id.b24 = new_fcport->d_id.b24;
2422 fcport->loop_id = FC_NO_LOOP_ID;
2423 fcport->flags |= (FCF_FABRIC_DEVICE |
2425 fcport->flags &= ~FCF_PERSISTENT_BOUND;
2430 * Port ID changed or device was marked to be updated;
2431 * Log it out if still logged in and mark it for
2434 fcport->d_id.b24 = new_fcport->d_id.b24;
2435 fcport->flags |= FCF_LOGIN_NEEDED;
2436 if (fcport->loop_id != FC_NO_LOOP_ID &&
2437 (fcport->flags & FCF_TAPE_PRESENT) == 0 &&
2438 fcport->port_type != FCT_INITIATOR &&
2439 fcport->port_type != FCT_BROADCAST) {
2440 ha->isp_ops.fabric_logout(ha, fcport->loop_id,
2441 fcport->d_id.b.domain, fcport->d_id.b.area,
2442 fcport->d_id.b.al_pa);
2443 fcport->loop_id = FC_NO_LOOP_ID;
2452 /* If device was not in our fcports list, then add it. */
2453 list_add_tail(&new_fcport->list, new_fcports);
2455 /* Allocate a new replacement fcport. */
2456 nxt_d_id.b24 = new_fcport->d_id.b24;
2457 new_fcport = qla2x00_alloc_fcport(ha, GFP_KERNEL);
2458 if (new_fcport == NULL) {
2461 return (QLA_MEMORY_ALLOC_FAILED);
2463 new_fcport->flags |= (FCF_FABRIC_DEVICE | FCF_LOGIN_NEEDED);
2464 new_fcport->d_id.b24 = nxt_d_id.b24;
2473 if (!list_empty(new_fcports))
2474 ha->device_flags |= DFLG_FABRIC_DEVICES;
2480 * qla2x00_find_new_loop_id
2481 * Scan through our port list and find a new usable loop ID.
2484 * ha: adapter state pointer.
2485 * dev: port structure pointer.
2488 * qla2x00 local function return status code.
2494 qla2x00_find_new_loop_id(scsi_qla_host_t *ha, fc_port_t *dev)
2499 uint16_t first_loop_id;
2503 /* Save starting loop ID. */
2504 first_loop_id = dev->loop_id;
2507 /* Skip loop ID if already used by adapter. */
2508 if (dev->loop_id == ha->loop_id) {
2512 /* Skip reserved loop IDs. */
2513 while (qla2x00_is_reserved_id(ha, dev->loop_id)) {
2517 /* Reset loop ID if passed the end. */
2518 if (dev->loop_id > ha->last_loop_id) {
2519 /* first loop ID. */
2520 dev->loop_id = ha->min_external_loopid;
2523 /* Check for loop ID being already in use. */
2526 list_for_each_entry(fcport, &ha->fcports, list) {
2527 if (fcport->loop_id == dev->loop_id && fcport != dev) {
2528 /* ID possibly in use */
2534 /* If not in use then it is free to use. */
2539 /* ID in use. Try next value. */
2542 /* If wrap around. No free ID to use. */
2543 if (dev->loop_id == first_loop_id) {
2544 dev->loop_id = FC_NO_LOOP_ID;
2545 rval = QLA_FUNCTION_FAILED;
2554 * qla2x00_device_resync
2555 * Marks devices in the database that needs resynchronization.
2558 * ha = adapter block pointer.
2564 qla2x00_device_resync(scsi_qla_host_t *ha)
2570 uint32_t rscn_entry;
2571 uint8_t rscn_out_iter;
2575 rval = QLA_RSCNS_HANDLED;
2577 while (ha->rscn_out_ptr != ha->rscn_in_ptr ||
2578 ha->flags.rscn_queue_overflow) {
2580 rscn_entry = ha->rscn_queue[ha->rscn_out_ptr];
2581 format = MSB(MSW(rscn_entry));
2582 d_id.b.domain = LSB(MSW(rscn_entry));
2583 d_id.b.area = MSB(LSW(rscn_entry));
2584 d_id.b.al_pa = LSB(LSW(rscn_entry));
2586 DEBUG(printk("scsi(%ld): RSCN queue entry[%d] = "
2587 "[%02x/%02x%02x%02x].\n",
2588 ha->host_no, ha->rscn_out_ptr, format, d_id.b.domain,
2589 d_id.b.area, d_id.b.al_pa));
2592 if (ha->rscn_out_ptr == MAX_RSCN_COUNT)
2593 ha->rscn_out_ptr = 0;
2595 /* Skip duplicate entries. */
2596 for (rscn_out_iter = ha->rscn_out_ptr;
2597 !ha->flags.rscn_queue_overflow &&
2598 rscn_out_iter != ha->rscn_in_ptr;
2599 rscn_out_iter = (rscn_out_iter ==
2600 (MAX_RSCN_COUNT - 1)) ? 0: rscn_out_iter + 1) {
2602 if (rscn_entry != ha->rscn_queue[rscn_out_iter])
2605 DEBUG(printk("scsi(%ld): Skipping duplicate RSCN queue "
2606 "entry found at [%d].\n", ha->host_no,
2609 ha->rscn_out_ptr = rscn_out_iter;
2612 /* Queue overflow, set switch default case. */
2613 if (ha->flags.rscn_queue_overflow) {
2614 DEBUG(printk("scsi(%ld): device_resync: rscn "
2615 "overflow.\n", ha->host_no));
2618 ha->flags.rscn_queue_overflow = 0;
2623 if (!IS_QLA2100(ha) && !IS_QLA2200(ha) &&
2624 !IS_QLA6312(ha) && !IS_QLA6322(ha) &&
2625 !IS_QLA24XX(ha) && !IS_QLA25XX(ha) &&
2626 ha->flags.init_done) {
2627 /* Handle port RSCN via asyncronous IOCBs */
2628 rval2 = qla2x00_handle_port_rscn(ha, rscn_entry,
2630 if (rval2 == QLA_SUCCESS)
2644 ha->rscn_out_ptr = ha->rscn_in_ptr;
2650 /* Abort any outstanding IO descriptors. */
2651 if (!IS_QLA2100(ha) && !IS_QLA2200(ha))
2652 qla2x00_cancel_io_descriptors(ha);
2654 list_for_each_entry(fcport, &ha->fcports, list) {
2655 if ((fcport->flags & FCF_FABRIC_DEVICE) == 0 ||
2656 (fcport->d_id.b24 & mask) != d_id.b24 ||
2657 fcport->port_type == FCT_BROADCAST)
2660 if (atomic_read(&fcport->state) == FCS_ONLINE) {
2662 fcport->port_type != FCT_INITIATOR) {
2663 qla2x00_mark_device_lost(ha, fcport, 0);
2666 fcport->flags &= ~FCF_FARP_DONE;
2673 * qla2x00_fabric_dev_login
2674 * Login fabric target device and update FC port database.
2677 * ha: adapter state pointer.
2678 * fcport: port structure list pointer.
2679 * next_loopid: contains value of a new loop ID that can be used
2680 * by the next login attempt.
2683 * qla2x00 local function return status code.
2689 qla2x00_fabric_dev_login(scsi_qla_host_t *ha, fc_port_t *fcport,
2690 uint16_t *next_loopid)
2699 rval = qla2x00_fabric_login(ha, fcport, next_loopid);
2700 if (rval == QLA_SUCCESS) {
2701 /* Send an ADISC to tape devices.*/
2703 if (fcport->flags & FCF_TAPE_PRESENT)
2705 rval = qla2x00_get_port_database(ha, fcport, opts);
2706 if (rval != QLA_SUCCESS) {
2707 ha->isp_ops.fabric_logout(ha, fcport->loop_id,
2708 fcport->d_id.b.domain, fcport->d_id.b.area,
2709 fcport->d_id.b.al_pa);
2710 qla2x00_mark_device_lost(ha, fcport, 1);
2713 qla2x00_update_fcport(ha, fcport);
2721 * qla2x00_fabric_login
2722 * Issue fabric login command.
2725 * ha = adapter block pointer.
2726 * device = pointer to FC device type structure.
2729 * 0 - Login successfully
2731 * 2 - Initiator device
2735 qla2x00_fabric_login(scsi_qla_host_t *ha, fc_port_t *fcport,
2736 uint16_t *next_loopid)
2740 uint16_t tmp_loopid;
2741 uint16_t mb[MAILBOX_REGISTER_COUNT];
2747 DEBUG(printk("scsi(%ld): Trying Fabric Login w/loop id 0x%04x "
2748 "for port %02x%02x%02x.\n",
2749 ha->host_no, fcport->loop_id, fcport->d_id.b.domain,
2750 fcport->d_id.b.area, fcport->d_id.b.al_pa));
2752 /* Login fcport on switch. */
2753 ha->isp_ops.fabric_login(ha, fcport->loop_id,
2754 fcport->d_id.b.domain, fcport->d_id.b.area,
2755 fcport->d_id.b.al_pa, mb, BIT_0);
2756 if (mb[0] == MBS_PORT_ID_USED) {
2758 * Device has another loop ID. The firmware team
2759 * recommends the driver perform an implicit login with
2760 * the specified ID again. The ID we just used is save
2761 * here so we return with an ID that can be tried by
2765 tmp_loopid = fcport->loop_id;
2766 fcport->loop_id = mb[1];
2768 DEBUG(printk("Fabric Login: port in use - next "
2769 "loop id=0x%04x, port Id=%02x%02x%02x.\n",
2770 fcport->loop_id, fcport->d_id.b.domain,
2771 fcport->d_id.b.area, fcport->d_id.b.al_pa));
2773 } else if (mb[0] == MBS_COMMAND_COMPLETE) {
2778 /* A retry occurred before. */
2779 *next_loopid = tmp_loopid;
2782 * No retry occurred before. Just increment the
2783 * ID value for next login.
2785 *next_loopid = (fcport->loop_id + 1);
2788 if (mb[1] & BIT_0) {
2789 fcport->port_type = FCT_INITIATOR;
2791 fcport->port_type = FCT_TARGET;
2792 if (mb[1] & BIT_1) {
2793 fcport->flags |= FCF_TAPE_PRESENT;
2799 } else if (mb[0] == MBS_LOOP_ID_USED) {
2801 * Loop ID already used, try next loop ID.
2804 rval = qla2x00_find_new_loop_id(ha, fcport);
2805 if (rval != QLA_SUCCESS) {
2806 /* Ran out of loop IDs to use */
2809 } else if (mb[0] == MBS_COMMAND_ERROR) {
2811 * Firmware possibly timed out during login. If NO
2812 * retries are left to do then the device is declared
2815 *next_loopid = fcport->loop_id;
2816 ha->isp_ops.fabric_logout(ha, fcport->loop_id,
2817 fcport->d_id.b.domain, fcport->d_id.b.area,
2818 fcport->d_id.b.al_pa);
2819 qla2x00_mark_device_lost(ha, fcport, 1);
2825 * unrecoverable / not handled error
2827 DEBUG2(printk("%s(%ld): failed=%x port_id=%02x%02x%02x "
2828 "loop_id=%x jiffies=%lx.\n",
2829 __func__, ha->host_no, mb[0],
2830 fcport->d_id.b.domain, fcport->d_id.b.area,
2831 fcport->d_id.b.al_pa, fcport->loop_id, jiffies));
2833 *next_loopid = fcport->loop_id;
2834 ha->isp_ops.fabric_logout(ha, fcport->loop_id,
2835 fcport->d_id.b.domain, fcport->d_id.b.area,
2836 fcport->d_id.b.al_pa);
2837 fcport->loop_id = FC_NO_LOOP_ID;
2838 atomic_set(&fcport->state, FCS_DEVICE_DEAD);
2849 * qla2x00_local_device_login
2850 * Issue local device login command.
2853 * ha = adapter block pointer.
2854 * loop_id = loop id of device to login to.
2856 * Returns (Where's the #define!!!!):
2857 * 0 - Login successfully
2862 qla2x00_local_device_login(scsi_qla_host_t *ha, uint16_t loop_id)
2865 uint16_t mb[MAILBOX_REGISTER_COUNT];
2867 memset(mb, 0, sizeof(mb));
2868 rval = qla2x00_login_local_device(ha, loop_id, mb, BIT_0);
2869 if (rval == QLA_SUCCESS) {
2870 /* Interrogate mailbox registers for any errors */
2871 if (mb[0] == MBS_COMMAND_ERROR)
2873 else if (mb[0] == MBS_COMMAND_PARAMETER_ERROR)
2874 /* device not in PCB table */
2882 * qla2x00_loop_resync
2883 * Resync with fibre channel devices.
2886 * ha = adapter block pointer.
2892 qla2x00_loop_resync(scsi_qla_host_t *ha)
2899 atomic_set(&ha->loop_state, LOOP_UPDATE);
2900 clear_bit(ISP_ABORT_RETRY, &ha->dpc_flags);
2901 if (ha->flags.online) {
2902 if (!(rval = qla2x00_fw_ready(ha))) {
2903 /* Wait at most MAX_TARGET RSCNs for a stable link. */
2906 atomic_set(&ha->loop_state, LOOP_UPDATE);
2908 /* Issue a marker after FW becomes ready. */
2909 qla2x00_marker(ha, 0, 0, MK_SYNC_ALL);
2910 ha->marker_needed = 0;
2912 /* Remap devices on Loop. */
2913 clear_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags);
2915 qla2x00_configure_loop(ha);
2917 } while (!atomic_read(&ha->loop_down_timer) &&
2918 !(test_bit(ISP_ABORT_NEEDED, &ha->dpc_flags)) &&
2920 (test_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags)));
2924 if (test_bit(ISP_ABORT_NEEDED, &ha->dpc_flags)) {
2925 return (QLA_FUNCTION_FAILED);
2929 DEBUG2_3(printk("%s(): **** FAILED ****\n", __func__));
2936 qla2x00_rescan_fcports(scsi_qla_host_t *ha)
2942 list_for_each_entry(fcport, &ha->fcports, list) {
2943 if ((fcport->flags & FCF_RESCAN_NEEDED) == 0)
2946 qla2x00_update_fcport(ha, fcport);
2947 fcport->flags &= ~FCF_RESCAN_NEEDED;
2951 qla2x00_probe_for_all_luns(ha);
2956 * Resets ISP and aborts all outstanding commands.
2959 * ha = adapter block pointer.
2965 qla2x00_abort_isp(scsi_qla_host_t *ha)
2967 unsigned long flags = 0;
2972 if (ha->flags.online) {
2973 ha->flags.online = 0;
2974 clear_bit(ISP_ABORT_NEEDED, &ha->dpc_flags);
2976 qla_printk(KERN_INFO, ha,
2977 "Performing ISP error recovery - ha= %p.\n", ha);
2978 ha->isp_ops.reset_chip(ha);
2980 atomic_set(&ha->loop_down_timer, LOOP_DOWN_TIME);
2981 if (atomic_read(&ha->loop_state) != LOOP_DOWN) {
2982 atomic_set(&ha->loop_state, LOOP_DOWN);
2983 qla2x00_mark_all_devices_lost(ha);
2985 if (!atomic_read(&ha->loop_down_timer))
2986 atomic_set(&ha->loop_down_timer,
2990 spin_lock_irqsave(&ha->hardware_lock, flags);
2991 /* Requeue all commands in outstanding command list. */
2992 for (cnt = 1; cnt < MAX_OUTSTANDING_COMMANDS; cnt++) {
2993 sp = ha->outstanding_cmds[cnt];
2995 ha->outstanding_cmds[cnt] = NULL;
2997 sp->cmd->result = DID_RESET << 16;
2998 sp->cmd->host_scribble = (unsigned char *)NULL;
2999 qla2x00_sp_compl(ha, sp);
3002 spin_unlock_irqrestore(&ha->hardware_lock, flags);
3004 ha->isp_ops.nvram_config(ha);
3006 if (!qla2x00_restart_isp(ha)) {
3007 clear_bit(RESET_MARKER_NEEDED, &ha->dpc_flags);
3009 if (!atomic_read(&ha->loop_down_timer)) {
3011 * Issue marker command only when we are going
3012 * to start the I/O .
3014 ha->marker_needed = 1;
3017 ha->flags.online = 1;
3019 ha->isp_ops.enable_intrs(ha);
3021 ha->isp_abort_cnt = 0;
3022 clear_bit(ISP_ABORT_RETRY, &ha->dpc_flags);
3023 } else { /* failed the ISP abort */
3024 ha->flags.online = 1;
3025 if (test_bit(ISP_ABORT_RETRY, &ha->dpc_flags)) {
3026 if (ha->isp_abort_cnt == 0) {
3027 qla_printk(KERN_WARNING, ha,
3028 "ISP error recovery failed - "
3029 "board disabled\n");
3031 * The next call disables the board
3034 ha->isp_ops.reset_adapter(ha);
3035 ha->flags.online = 0;
3036 clear_bit(ISP_ABORT_RETRY,
3039 } else { /* schedule another ISP abort */
3040 ha->isp_abort_cnt--;
3041 DEBUG(printk("qla%ld: ISP abort - "
3042 "retry remaining %d\n",
3043 ha->host_no, ha->isp_abort_cnt);)
3047 ha->isp_abort_cnt = MAX_RETRIES_OF_ISP_ABORT;
3048 DEBUG(printk("qla2x00(%ld): ISP error recovery "
3049 "- retrying (%d) more times\n",
3050 ha->host_no, ha->isp_abort_cnt);)
3051 set_bit(ISP_ABORT_RETRY, &ha->dpc_flags);
3059 qla_printk(KERN_INFO, ha,
3060 "qla2x00_abort_isp: **** FAILED ****\n");
3062 DEBUG(printk(KERN_INFO
3063 "qla2x00_abort_isp(%ld): exiting.\n",
3071 * qla2x00_restart_isp
3072 * restarts the ISP after a reset
3075 * ha = adapter block pointer.
3081 qla2x00_restart_isp(scsi_qla_host_t *ha)
3084 struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
3085 unsigned long flags = 0;
3088 /* If firmware needs to be loaded */
3089 if (qla2x00_isp_firmware(ha)) {
3090 ha->flags.online = 0;
3091 if (!(status = ha->isp_ops.chip_diag(ha))) {
3092 if (IS_QLA2100(ha) || IS_QLA2200(ha)) {
3093 status = qla2x00_setup_chip(ha);
3097 spin_lock_irqsave(&ha->hardware_lock, flags);
3099 if (!IS_QLA24XX(ha) && !IS_QLA25XX(ha)) {
3101 * Disable SRAM, Instruction RAM and GP RAM
3104 WRT_REG_WORD(®->hccr,
3105 (HCCR_ENABLE_PARITY + 0x0));
3106 RD_REG_WORD(®->hccr);
3109 spin_unlock_irqrestore(&ha->hardware_lock, flags);
3111 status = qla2x00_setup_chip(ha);
3113 spin_lock_irqsave(&ha->hardware_lock, flags);
3115 if (!IS_QLA24XX(ha) && !IS_QLA25XX(ha)) {
3116 /* Enable proper parity */
3119 WRT_REG_WORD(®->hccr,
3120 (HCCR_ENABLE_PARITY + 0x1));
3123 * SRAM, Instruction RAM and GP RAM
3126 WRT_REG_WORD(®->hccr,
3127 (HCCR_ENABLE_PARITY + 0x7));
3128 RD_REG_WORD(®->hccr);
3131 spin_unlock_irqrestore(&ha->hardware_lock, flags);
3136 if (!status && !(status = qla2x00_init_rings(ha))) {
3137 clear_bit(RESET_MARKER_NEEDED, &ha->dpc_flags);
3138 if (!(status = qla2x00_fw_ready(ha))) {
3139 DEBUG(printk("%s(): Start configure loop, "
3140 "status = %d\n", __func__, status);)
3142 /* Issue a marker after FW becomes ready. */
3143 qla2x00_marker(ha, 0, 0, MK_SYNC_ALL);
3145 ha->flags.online = 1;
3146 /* Wait at most MAX_TARGET RSCNs for a stable link. */
3149 clear_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags);
3150 qla2x00_configure_loop(ha);
3152 } while (!atomic_read(&ha->loop_down_timer) &&
3153 !(test_bit(ISP_ABORT_NEEDED, &ha->dpc_flags)) &&
3155 (test_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags)));
3158 /* if no cable then assume it's good */
3159 if ((ha->device_flags & DFLG_NO_CABLE))
3162 DEBUG(printk("%s(): Configure loop done, status = 0x%x\n",
3170 * qla2x00_reset_adapter
3174 * ha = adapter block pointer.
3177 qla2x00_reset_adapter(scsi_qla_host_t *ha)
3179 unsigned long flags = 0;
3180 struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
3182 ha->flags.online = 0;
3183 ha->isp_ops.disable_intrs(ha);
3185 spin_lock_irqsave(&ha->hardware_lock, flags);
3186 WRT_REG_WORD(®->hccr, HCCR_RESET_RISC);
3187 RD_REG_WORD(®->hccr); /* PCI Posting. */
3188 WRT_REG_WORD(®->hccr, HCCR_RELEASE_RISC);
3189 RD_REG_WORD(®->hccr); /* PCI Posting. */
3190 spin_unlock_irqrestore(&ha->hardware_lock, flags);
3194 qla24xx_reset_adapter(scsi_qla_host_t *ha)
3196 unsigned long flags = 0;
3197 struct device_reg_24xx __iomem *reg = &ha->iobase->isp24;
3199 ha->flags.online = 0;
3200 ha->isp_ops.disable_intrs(ha);
3202 spin_lock_irqsave(&ha->hardware_lock, flags);
3203 WRT_REG_DWORD(®->hccr, HCCRX_SET_RISC_RESET);
3204 RD_REG_DWORD(®->hccr);
3205 WRT_REG_DWORD(®->hccr, HCCRX_REL_RISC_PAUSE);
3206 RD_REG_DWORD(®->hccr);
3207 spin_unlock_irqrestore(&ha->hardware_lock, flags);
3211 qla24xx_nvram_config(scsi_qla_host_t *ha)
3214 struct init_cb_24xx *icb;
3215 struct nvram_24xx *nv;
3217 uint8_t *dptr1, *dptr2;
3222 icb = (struct init_cb_24xx *)ha->init_cb;
3223 nv = (struct nvram_24xx *)ha->request_ring;
3225 /* Determine NVRAM starting address. */
3226 ha->nvram_size = sizeof(struct nvram_24xx);
3227 ha->nvram_base = FA_NVRAM_FUNC0_ADDR;
3228 if (PCI_FUNC(ha->pdev->devfn))
3229 ha->nvram_base = FA_NVRAM_FUNC1_ADDR;
3231 /* Get NVRAM data and calculate checksum. */
3232 dptr = (uint32_t *)nv;
3233 ha->isp_ops.read_nvram(ha, (uint8_t *)dptr, ha->nvram_base,
3235 for (cnt = 0, chksum = 0; cnt < ha->nvram_size >> 2; cnt++)
3236 chksum += le32_to_cpu(*dptr++);
3238 DEBUG5(printk("scsi(%ld): Contents of NVRAM\n", ha->host_no));
3239 DEBUG5(qla2x00_dump_buffer((uint8_t *)ha->request_ring,
3242 /* Bad NVRAM data, set defaults parameters. */
3243 if (chksum || nv->id[0] != 'I' || nv->id[1] != 'S' || nv->id[2] != 'P'
3244 || nv->id[3] != ' ' ||
3245 nv->nvram_version < __constant_cpu_to_le16(ICB_VERSION)) {
3246 /* Reset NVRAM data. */
3247 qla_printk(KERN_WARNING, ha, "Inconsistent NVRAM detected: "
3248 "checksum=0x%x id=%c version=0x%x.\n", chksum, nv->id[0],
3249 le16_to_cpu(nv->nvram_version));
3250 qla_printk(KERN_WARNING, ha, "Falling back to functioning (yet "
3251 "invalid -- WWPN) defaults.\n");
3254 * Set default initialization control block.
3256 memset(nv, 0, ha->nvram_size);
3257 nv->nvram_version = __constant_cpu_to_le16(ICB_VERSION);
3258 nv->version = __constant_cpu_to_le16(ICB_VERSION);
3259 nv->frame_payload_size = __constant_cpu_to_le16(2048);
3260 nv->execution_throttle = __constant_cpu_to_le16(0xFFFF);
3261 nv->exchange_count = __constant_cpu_to_le16(0);
3262 nv->hard_address = __constant_cpu_to_le16(124);
3263 nv->port_name[0] = 0x21;
3264 nv->port_name[1] = 0x00 + PCI_FUNC(ha->pdev->devfn);
3265 nv->port_name[2] = 0x00;
3266 nv->port_name[3] = 0xe0;
3267 nv->port_name[4] = 0x8b;
3268 nv->port_name[5] = 0x1c;
3269 nv->port_name[6] = 0x55;
3270 nv->port_name[7] = 0x86;
3271 nv->node_name[0] = 0x20;
3272 nv->node_name[1] = 0x00;
3273 nv->node_name[2] = 0x00;
3274 nv->node_name[3] = 0xe0;
3275 nv->node_name[4] = 0x8b;
3276 nv->node_name[5] = 0x1c;
3277 nv->node_name[6] = 0x55;
3278 nv->node_name[7] = 0x86;
3279 nv->login_retry_count = __constant_cpu_to_le16(8);
3280 nv->link_down_timeout = __constant_cpu_to_le16(200);
3281 nv->interrupt_delay_timer = __constant_cpu_to_le16(0);
3282 nv->login_timeout = __constant_cpu_to_le16(0);
3283 nv->firmware_options_1 =
3284 __constant_cpu_to_le32(BIT_14|BIT_13|BIT_2|BIT_1);
3285 nv->firmware_options_2 = __constant_cpu_to_le32(2 << 4);
3286 nv->firmware_options_2 |= __constant_cpu_to_le32(BIT_12);
3287 nv->firmware_options_3 = __constant_cpu_to_le32(2 << 13);
3288 nv->host_p = __constant_cpu_to_le32(BIT_11|BIT_10);
3289 nv->efi_parameters = __constant_cpu_to_le32(0);
3290 nv->reset_delay = 5;
3291 nv->max_luns_per_target = __constant_cpu_to_le16(128);
3292 nv->port_down_retry_count = __constant_cpu_to_le16(30);
3293 nv->link_down_timeout = __constant_cpu_to_le16(30);
3298 /* Reset Initialization control block */
3299 memset(icb, 0, sizeof(struct init_cb_24xx));
3301 /* Copy 1st segment. */
3302 dptr1 = (uint8_t *)icb;
3303 dptr2 = (uint8_t *)&nv->version;
3304 cnt = (uint8_t *)&icb->response_q_inpointer - (uint8_t *)&icb->version;
3306 *dptr1++ = *dptr2++;
3308 icb->login_retry_count = nv->login_retry_count;
3309 icb->link_down_timeout = nv->link_down_timeout;
3311 /* Copy 2nd segment. */
3312 dptr1 = (uint8_t *)&icb->interrupt_delay_timer;
3313 dptr2 = (uint8_t *)&nv->interrupt_delay_timer;
3314 cnt = (uint8_t *)&icb->reserved_3 -
3315 (uint8_t *)&icb->interrupt_delay_timer;
3317 *dptr1++ = *dptr2++;
3320 * Setup driver NVRAM options.
3322 if (memcmp(nv->model_name, BINZERO, sizeof(nv->model_name)) != 0) {
3326 strncpy(ha->model_number, nv->model_name,
3327 sizeof(nv->model_name));
3328 st = en = ha->model_number;
3329 en += sizeof(nv->model_name) - 1;
3331 if (*en != 0x20 && *en != 0x00)
3336 index = (ha->pdev->subsystem_device & 0xff);
3337 if (index < QLA_MODEL_NAMES)
3338 ha->model_desc = qla2x00_model_desc[index];
3340 strcpy(ha->model_number, "QLA2462");
3342 /* Prepare nodename */
3343 if ((icb->firmware_options_1 & BIT_14) == 0) {
3345 * Firmware will apply the following mask if the nodename was
3348 memcpy(icb->node_name, icb->port_name, WWN_SIZE);
3349 icb->node_name[0] &= 0xF0;
3352 /* Set host adapter parameters. */
3353 ha->flags.disable_risc_code_load = 0;
3354 ha->flags.enable_lip_reset = 1;
3355 ha->flags.enable_lip_full_login = 1;
3356 ha->flags.enable_target_reset = 1;
3357 ha->flags.enable_led_scheme = 0;
3359 ha->operating_mode =
3360 (icb->firmware_options_2 & (BIT_6 | BIT_5 | BIT_4)) >> 4;
3362 memcpy(ha->fw_seriallink_options24, nv->seriallink_options,
3363 sizeof(ha->fw_seriallink_options24));
3365 /* save HBA serial number */
3366 ha->serial0 = icb->port_name[5];
3367 ha->serial1 = icb->port_name[6];
3368 ha->serial2 = icb->port_name[7];
3369 ha->node_name = icb->node_name;
3370 ha->port_name = icb->port_name;
3372 ha->retry_count = le16_to_cpu(nv->login_retry_count);
3374 /* Set minimum login_timeout to 4 seconds. */
3375 if (le16_to_cpu(nv->login_timeout) < ql2xlogintimeout)
3376 nv->login_timeout = cpu_to_le16(ql2xlogintimeout);
3377 if (le16_to_cpu(nv->login_timeout) < 4)
3378 nv->login_timeout = __constant_cpu_to_le16(4);
3379 ha->login_timeout = le16_to_cpu(nv->login_timeout);
3380 icb->login_timeout = cpu_to_le16(nv->login_timeout);
3382 /* Set minimum RATOV to 200 tenths of a second. */
3385 ha->loop_reset_delay = nv->reset_delay;
3387 /* Link Down Timeout = 0:
3389 * When Port Down timer expires we will start returning
3390 * I/O's to OS with "DID_NO_CONNECT".
3392 * Link Down Timeout != 0:
3394 * The driver waits for the link to come up after link down
3395 * before returning I/Os to OS with "DID_NO_CONNECT".
3397 if (le16_to_cpu(nv->link_down_timeout) == 0) {
3398 ha->loop_down_abort_time =
3399 (LOOP_DOWN_TIME - LOOP_DOWN_TIMEOUT);
3401 ha->link_down_timeout = le16_to_cpu(nv->link_down_timeout);
3402 ha->loop_down_abort_time =
3403 (LOOP_DOWN_TIME - ha->link_down_timeout);
3406 /* Need enough time to try and get the port back. */
3407 ha->port_down_retry_count = le16_to_cpu(nv->port_down_retry_count);
3408 if (qlport_down_retry)
3409 ha->port_down_retry_count = qlport_down_retry;
3411 /* Set login_retry_count */
3412 ha->login_retry_count = le16_to_cpu(nv->login_retry_count);
3413 if (ha->port_down_retry_count ==
3414 le16_to_cpu(nv->port_down_retry_count) &&
3415 ha->port_down_retry_count > 3)
3416 ha->login_retry_count = ha->port_down_retry_count;
3417 else if (ha->port_down_retry_count > (int)ha->login_retry_count)
3418 ha->login_retry_count = ha->port_down_retry_count;
3419 if (ql2xloginretrycount)
3420 ha->login_retry_count = ql2xloginretrycount;
3423 DEBUG2_3(printk(KERN_WARNING
3424 "scsi(%ld): NVRAM configuration failed!\n", ha->host_no));
3430 qla2x00_load_risc(scsi_qla_host_t *ha, uint32_t *srisc_addr)
3434 uint16_t *risc_code;
3435 unsigned long risc_address;
3436 unsigned long risc_code_size;
3440 struct qla_fw_info *fw_iter;
3444 /* Load firmware sequences */
3445 fw_iter = ha->brd_info->fw_info;
3446 *srisc_addr = *ha->brd_info->fw_info->fwstart;
3447 while (fw_iter->addressing != FW_INFO_ADDR_NOMORE) {
3448 risc_code = fw_iter->fwcode;
3449 risc_code_size = *fw_iter->fwlen;
3451 if (fw_iter->addressing == FW_INFO_ADDR_NORMAL) {
3452 risc_address = *fw_iter->fwstart;
3454 /* Extended address */
3455 risc_address = *fw_iter->lfwstart;
3460 while (risc_code_size > 0 && !rval) {
3461 cnt = (uint16_t)(ha->fw_transfer_size >> 1);
3462 if (cnt > risc_code_size)
3463 cnt = risc_code_size;
3465 DEBUG7(printk("scsi(%ld): Loading risc segment@ "
3466 "addr %p, number of bytes 0x%x, offset 0x%lx.\n",
3467 ha->host_no, risc_code, cnt, risc_address));
3469 req_ring = (uint16_t *)ha->request_ring;
3470 for (i = 0; i < cnt; i++)
3471 req_ring[i] = cpu_to_le16(risc_code[i]);
3473 if (fw_iter->addressing == FW_INFO_ADDR_NORMAL) {
3474 rval = qla2x00_load_ram(ha, ha->request_dma,
3477 rval = qla2x00_load_ram_ext(ha,
3478 ha->request_dma, risc_address, cnt);
3481 DEBUG(printk("scsi(%ld): [ERROR] Failed to "
3482 "load segment %d of firmware\n",
3484 qla_printk(KERN_WARNING, ha,
3485 "[ERROR] Failed to load segment %d of "
3488 qla2x00_dump_regs(ha);
3493 risc_address += cnt;
3494 risc_code_size -= cnt;
3498 /* Next firmware sequence */
3506 qla24xx_load_risc_flash(scsi_qla_host_t *ha, uint32_t *srisc_addr)
3509 int segments, fragment;
3511 uint32_t *dcode, dlen;
3518 segments = FA_RISC_CODE_SEGMENTS;
3519 faddr = FA_RISC_CODE_ADDR;
3520 dcode = (uint32_t *)ha->request_ring;
3523 /* Validate firmware image by checking version. */
3524 qla24xx_read_flash_data(ha, dcode, faddr + 4, 4);
3525 for (i = 0; i < 4; i++)
3526 dcode[i] = be32_to_cpu(dcode[i]);
3527 if ((dcode[0] == 0xffffffff && dcode[1] == 0xffffffff &&
3528 dcode[2] == 0xffffffff && dcode[3] == 0xffffffff) ||
3529 (dcode[0] == 0 && dcode[1] == 0 && dcode[2] == 0 &&
3531 qla_printk(KERN_WARNING, ha,
3532 "Unable to verify integrity of flash firmware image!\n");
3533 qla_printk(KERN_WARNING, ha,
3534 "Firmware data: %08x %08x %08x %08x!\n", dcode[0],
3535 dcode[1], dcode[2], dcode[3]);
3537 return QLA_FUNCTION_FAILED;
3540 while (segments && rval == QLA_SUCCESS) {
3541 /* Read segment's load information. */
3542 qla24xx_read_flash_data(ha, dcode, faddr, 4);
3544 risc_addr = be32_to_cpu(dcode[2]);
3545 *srisc_addr = *srisc_addr == 0 ? risc_addr : *srisc_addr;
3546 risc_size = be32_to_cpu(dcode[3]);
3549 while (risc_size > 0 && rval == QLA_SUCCESS) {
3550 dlen = (uint32_t)(ha->fw_transfer_size >> 2);
3551 if (dlen > risc_size)
3554 DEBUG7(printk("scsi(%ld): Loading risc segment@ risc "
3555 "addr %x, number of dwords 0x%x, offset 0x%x.\n",
3556 ha->host_no, risc_addr, dlen, faddr));
3558 qla24xx_read_flash_data(ha, dcode, faddr, dlen);
3559 for (i = 0; i < dlen; i++)
3560 dcode[i] = swab32(dcode[i]);
3562 rval = qla2x00_load_ram_ext(ha, ha->request_dma,
3565 DEBUG(printk("scsi(%ld):[ERROR] Failed to load "
3566 "segment %d of firmware\n", ha->host_no,
3568 qla_printk(KERN_WARNING, ha,
3569 "[ERROR] Failed to load segment %d of "
3570 "firmware\n", fragment);
3588 qla24xx_load_risc_hotplug(scsi_qla_host_t *ha, uint32_t *srisc_addr)
3591 int segments, fragment;
3592 uint32_t *dcode, dlen;
3596 const struct firmware *fw_entry;
3597 uint32_t *fwcode, fwclen;
3599 if (request_firmware(&fw_entry, ha->brd_info->fw_fname,
3601 qla_printk(KERN_ERR, ha,
3602 "Firmware image file not available: '%s'\n",
3603 ha->brd_info->fw_fname);
3604 return QLA_FUNCTION_FAILED;
3609 segments = FA_RISC_CODE_SEGMENTS;
3610 dcode = (uint32_t *)ha->request_ring;
3612 fwcode = (uint32_t *)fw_entry->data;
3615 /* Validate firmware image by checking version. */
3616 if (fw_entry->size < 8 * sizeof(uint32_t)) {
3617 qla_printk(KERN_WARNING, ha,
3618 "Unable to verify integrity of flash firmware image "
3619 "(%Zd)!\n", fw_entry->size);
3620 goto fail_fw_integrity;
3622 for (i = 0; i < 4; i++)
3623 dcode[i] = be32_to_cpu(fwcode[i + 4]);
3624 if ((dcode[0] == 0xffffffff && dcode[1] == 0xffffffff &&
3625 dcode[2] == 0xffffffff && dcode[3] == 0xffffffff) ||
3626 (dcode[0] == 0 && dcode[1] == 0 && dcode[2] == 0 &&
3628 qla_printk(KERN_WARNING, ha,
3629 "Unable to verify integrity of flash firmware image!\n");
3630 qla_printk(KERN_WARNING, ha,
3631 "Firmware data: %08x %08x %08x %08x!\n", dcode[0],
3632 dcode[1], dcode[2], dcode[3]);
3633 goto fail_fw_integrity;
3636 while (segments && rval == QLA_SUCCESS) {
3637 risc_addr = be32_to_cpu(fwcode[2]);
3638 *srisc_addr = *srisc_addr == 0 ? risc_addr : *srisc_addr;
3639 risc_size = be32_to_cpu(fwcode[3]);
3641 /* Validate firmware image size. */
3642 fwclen += risc_size * sizeof(uint32_t);
3643 if (fw_entry->size < fwclen) {
3644 qla_printk(KERN_WARNING, ha,
3645 "Unable to verify integrity of flash firmware "
3646 "image (%Zd)!\n", fw_entry->size);
3647 goto fail_fw_integrity;
3651 while (risc_size > 0 && rval == QLA_SUCCESS) {
3652 dlen = (uint32_t)(ha->fw_transfer_size >> 2);
3653 if (dlen > risc_size)
3656 DEBUG7(printk("scsi(%ld): Loading risc segment@ risc "
3657 "addr %x, number of dwords 0x%x.\n", ha->host_no,
3660 for (i = 0; i < dlen; i++)
3661 dcode[i] = swab32(fwcode[i]);
3663 rval = qla2x00_load_ram_ext(ha, ha->request_dma,
3666 DEBUG(printk("scsi(%ld):[ERROR] Failed to load "
3667 "segment %d of firmware\n", ha->host_no,
3669 qla_printk(KERN_WARNING, ha,
3670 "[ERROR] Failed to load segment %d of "
3671 "firmware\n", fragment);
3685 release_firmware(fw_entry);
3690 release_firmware(fw_entry);
3691 return QLA_FUNCTION_FAILED;