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[SCSI] qla2xxx: Use dma_get_required_mask() in determining the 'ideal' DMA mask.
[deliverable/linux.git] / drivers / scsi / qla2xxx / qla_init.c
CommitLineData
1da177e4
LT		 1/*
2 * QLOGIC LINUX SOFTWARE
3 *
4 * QLogic ISP2x00 device driver for Linux 2.6.x
ae91193c 5 * Copyright (C) 2003-2005 QLogic Corporation
1da177e4
LT		 6 * (www.qlogic.com)
7 *
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
11 * later version.
12 *
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.
17 *
18 */
19#include "qla_def.h"
20
21#include <linux/delay.h>
0107109e
AV		 22#include <linux/vmalloc.h>
23#include <linux/firmware.h>
8482e118 24#include <scsi/scsi_transport_fc.h>
1da177e4
LT		 25
26#include "qla_devtbl.h"
27
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)))
34#endif
35
36/*
37* QLogic ISP2x00 Hardware Support Function Prototypes.
38*/
1da177e4 39static int qla2x00_isp_firmware(scsi_qla_host_t *);
1da177e4
LT		 40static void qla2x00_resize_request_q(scsi_qla_host_t *);
41static int qla2x00_setup_chip(scsi_qla_host_t *);
42static void qla2x00_init_response_q_entries(scsi_qla_host_t *);
43static int qla2x00_init_rings(scsi_qla_host_t *);
44static int qla2x00_fw_ready(scsi_qla_host_t *);
45static int qla2x00_configure_hba(scsi_qla_host_t *);
1da177e4
LT		 46static int qla2x00_configure_loop(scsi_qla_host_t *);
47static int qla2x00_configure_local_loop(scsi_qla_host_t *);
48static void qla2x00_update_fcport(scsi_qla_host_t *, fc_port_t *);
1da177e4
LT		 49static int qla2x00_configure_fabric(scsi_qla_host_t *);
50static int qla2x00_find_all_fabric_devs(scsi_qla_host_t *, struct list_head *);
51static int qla2x00_device_resync(scsi_qla_host_t *);
52static int qla2x00_fabric_dev_login(scsi_qla_host_t *, fc_port_t *,
53 uint16_t *);
1da177e4
LT		 54
55static int qla2x00_restart_isp(scsi_qla_host_t *);
1da177e4
LT		 56
57/****************************************************************************/
58/* QLogic ISP2x00 Hardware Support Functions. */
59/****************************************************************************/
60
61/*
62* qla2x00_initialize_adapter
63* Initialize board.
64*
65* Input:
66* ha = adapter block pointer.
67*
68* Returns:
69* 0 = success
70*/
71int
72qla2x00_initialize_adapter(scsi_qla_host_t *ha)
73{
74 int rval;
75 uint8_t restart_risc = 0;
76 uint8_t retry;
77 uint32_t wait_time;
78
79 /* Clear adapter flags. */
80 ha->flags.online = 0;
81 ha->flags.reset_active = 0;
82 atomic_set(&ha->loop_down_timer, LOOP_DOWN_TIME);
83 atomic_set(&ha->loop_state, LOOP_DOWN);
84 ha->device_flags = 0;
1da177e4 85 ha->dpc_flags = 0;
1da177e4
LT		 86 ha->flags.management_server_logged_in = 0;
87 ha->marker_needed = 0;
88 ha->mbx_flags = 0;
89 ha->isp_abort_cnt = 0;
90 ha->beacon_blink_led = 0;
91
0107109e 92 qla_printk(KERN_INFO, ha, "Configuring PCI space...\n");
abbd8870 93 rval = ha->isp_ops.pci_config(ha);
1da177e4
LT		 94 if (rval) {
95 DEBUG2(printk("scsi(%ld): Unable to configure PCI space=n",
96 ha->host_no));
97 return (rval);
98 }
99
abbd8870 100 ha->isp_ops.reset_chip(ha);
1da177e4 101
1da177e4 102 qla_printk(KERN_INFO, ha, "Configure NVRAM parameters...\n");
0107109e 103
abbd8870 104 ha->isp_ops.nvram_config(ha);
1da177e4
LT		 105
106 qla_printk(KERN_INFO, ha, "Verifying loaded RISC code...\n");
107
108 retry = 10;
109 /*
110 * Try to configure the loop.
111 */
112 do {
113 restart_risc = 0;
114
115 /* If firmware needs to be loaded */
116 if (qla2x00_isp_firmware(ha) != QLA_SUCCESS) {
abbd8870 117 if ((rval = ha->isp_ops.chip_diag(ha)) == QLA_SUCCESS) {
1da177e4
LT		 118 rval = qla2x00_setup_chip(ha);
119 }
120 }
121
122 if (rval == QLA_SUCCESS &&
123 (rval = qla2x00_init_rings(ha)) == QLA_SUCCESS) {
124check_fw_ready_again:
125 /*
fa2a1ce5 126 * Wait for a successful LIP up to a maximum
1da177e4
LT		 127 * of (in seconds): RISC login timeout value,
128 * RISC retry count value, and port down retry
fa2a1ce5 129 * value OR a minimum of 4 seconds OR If no
1da177e4
LT		 130 * cable, only 5 seconds.
131 */
132 rval = qla2x00_fw_ready(ha);
133 if (rval == QLA_SUCCESS) {
134 clear_bit(RESET_MARKER_NEEDED, &ha->dpc_flags);
135
0107109e
AV		 136 /* Issue a marker after FW becomes ready. */
137 qla2x00_marker(ha, 0, 0, MK_SYNC_ALL);
138
1da177e4
LT		 139 /*
140 * Wait at most MAX_TARGET RSCNs for a stable
141 * link.
142 */
143 wait_time = 256;
144 do {
145 clear_bit(LOOP_RESYNC_NEEDED,
146 &ha->dpc_flags);
147 rval = qla2x00_configure_loop(ha);
148
149 if (test_and_clear_bit(ISP_ABORT_NEEDED,
150 &ha->dpc_flags)) {
151 restart_risc = 1;
152 break;
153 }
154
155 /*
156 * If loop state change while we were
157 * discoverying devices then wait for
158 * LIP to complete
159 */
160
161 if (atomic_read(&ha->loop_state) ==
162 LOOP_DOWN && retry--) {
163 goto check_fw_ready_again;
164 }
165 wait_time--;
166 } while (!atomic_read(&ha->loop_down_timer) &&
167 retry &&
168 wait_time &&
169 (test_bit(LOOP_RESYNC_NEEDED,
170 &ha->dpc_flags)));
171
172 if (wait_time == 0)
173 rval = QLA_FUNCTION_FAILED;
1da177e4
LT		 174 } else if (ha->device_flags & DFLG_NO_CABLE)
175 /* If no cable, then all is good. */
176 rval = QLA_SUCCESS;
177 }
178 } while (restart_risc && retry--);
179
180 if (rval == QLA_SUCCESS) {
181 clear_bit(RESET_MARKER_NEEDED, &ha->dpc_flags);
1da177e4
LT		 182 qla2x00_marker(ha, 0, 0, MK_SYNC_ALL);
183 ha->marker_needed = 0;
184
185 ha->flags.online = 1;
186 } else {
187 DEBUG2_3(printk("%s(): **** FAILED ****\n", __func__));
188 }
189
190 return (rval);
191}
192
193/**
abbd8870 194 * qla2100_pci_config() - Setup ISP21xx PCI configuration registers.
1da177e4
LT		 195 * @ha: HA context
196 *
197 * Returns 0 on success.
198 */
abbd8870
AV		 199int
200qla2100_pci_config(scsi_qla_host_t *ha)
1da177e4 201{
abbd8870
AV		 202 uint16_t w, mwi;
203 unsigned long flags;
3d71644c 204 struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
1da177e4 205
1da177e4
LT		 206 pci_set_master(ha->pdev);
207 mwi = 0;
208 if (pci_set_mwi(ha->pdev))
209 mwi = PCI_COMMAND_INVALIDATE;
210 pci_read_config_word(ha->pdev, PCI_REVISION_ID, &ha->revision);
211
1da177e4
LT		 212 pci_read_config_word(ha->pdev, PCI_COMMAND, &w);
213 w |= mwi | (PCI_COMMAND_PARITY | PCI_COMMAND_SERR);
abbd8870
AV		 214 pci_write_config_word(ha->pdev, PCI_COMMAND, w);
215
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);
1da177e4
LT		 220
221 /* Get PCI bus information. */
222 spin_lock_irqsave(&ha->hardware_lock, flags);
3d71644c 223 ha->pci_attr = RD_REG_WORD(&reg->ctrl_status);
1da177e4
LT		 224 spin_unlock_irqrestore(&ha->hardware_lock, flags);
225
abbd8870
AV		 226 return QLA_SUCCESS;
227}
1da177e4 228
abbd8870
AV		 229/**
230 * qla2300_pci_config() - Setup ISP23xx PCI configuration registers.
231 * @ha: HA context
232 *
233 * Returns 0 on success.
234 */
235int
236qla2300_pci_config(scsi_qla_host_t *ha)
237{
238 uint16_t w, mwi;
239 unsigned long flags = 0;
240 uint32_t cnt;
3d71644c 241 struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
1da177e4 242
abbd8870
AV		 243 pci_set_master(ha->pdev);
244 mwi = 0;
245 if (pci_set_mwi(ha->pdev))
246 mwi = PCI_COMMAND_INVALIDATE;
247 pci_read_config_word(ha->pdev, PCI_REVISION_ID, &ha->revision);
1da177e4 248
abbd8870
AV		 249 pci_read_config_word(ha->pdev, PCI_COMMAND, &w);
250 w |= mwi | (PCI_COMMAND_PARITY | PCI_COMMAND_SERR);
1da177e4 251
abbd8870
AV		 252 if (IS_QLA2322(ha) || IS_QLA6322(ha))
253 w &= ~PCI_COMMAND_INTX_DISABLE;
1da177e4 254
abbd8870
AV		 255 /*
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
260 * not a 2310.
261 */
262 if (IS_QLA2300(ha)) {
263 spin_lock_irqsave(&ha->hardware_lock, flags);
1da177e4 264
abbd8870 265 /* Pause RISC. */
3d71644c 266 WRT_REG_WORD(&reg->hccr, HCCR_PAUSE_RISC);
abbd8870 267 for (cnt = 0; cnt < 30000; cnt++) {
3d71644c 268 if ((RD_REG_WORD(&reg->hccr) & HCCR_RISC_PAUSE) != 0)
abbd8870 269 break;
1da177e4 270
abbd8870
AV		 271 udelay(10);
272 }
1da177e4 273
abbd8870 274 /* Select FPM registers. */
3d71644c
AV		 275 WRT_REG_WORD(&reg->ctrl_status, 0x20);
276 RD_REG_WORD(&reg->ctrl_status);
abbd8870
AV		 277
278 /* Get the fb rev level */
3d71644c 279 ha->fb_rev = RD_FB_CMD_REG(ha, reg);
abbd8870
AV		 280
281 if (ha->fb_rev == FPM_2300)
282 w &= ~PCI_COMMAND_INVALIDATE;
283
284 /* Deselect FPM registers. */
3d71644c
AV		 285 WRT_REG_WORD(&reg->ctrl_status, 0x0);
286 RD_REG_WORD(&reg->ctrl_status);
abbd8870
AV		 287
288 /* Release RISC module. */
3d71644c 289 WRT_REG_WORD(&reg->hccr, HCCR_RELEASE_RISC);
abbd8870 290 for (cnt = 0; cnt < 30000; cnt++) {
3d71644c 291 if ((RD_REG_WORD(&reg->hccr) & HCCR_RISC_PAUSE) == 0)
abbd8870
AV		 292 break;
293
294 udelay(10);
1da177e4 295 }
1da177e4 296
abbd8870
AV		 297 spin_unlock_irqrestore(&ha->hardware_lock, flags);
298 }
1da177e4
LT		 299 pci_write_config_word(ha->pdev, PCI_COMMAND, w);
300
abbd8870
AV		 301 pci_write_config_byte(ha->pdev, PCI_LATENCY_TIMER, 0x80);
302
1da177e4
LT		 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);
307
abbd8870
AV		 308 /* Get PCI bus information. */
309 spin_lock_irqsave(&ha->hardware_lock, flags);
3d71644c 310 ha->pci_attr = RD_REG_WORD(&reg->ctrl_status);
abbd8870
AV		 311 spin_unlock_irqrestore(&ha->hardware_lock, flags);
312
313 return QLA_SUCCESS;
1da177e4
LT		 314}
315
0107109e
AV		 316/**
317 * qla24xx_pci_config() - Setup ISP24xx PCI configuration registers.
318 * @ha: HA context
319 *
320 * Returns 0 on success.
321 */
322int
323qla24xx_pci_config(scsi_qla_host_t *ha)
324{
325 uint16_t w, mwi;
326 unsigned long flags = 0;
327 struct device_reg_24xx __iomem *reg = &ha->iobase->isp24;
328 int pcix_cmd_reg, pcie_dctl_reg;
329
330 pci_set_master(ha->pdev);
331 mwi = 0;
332 if (pci_set_mwi(ha->pdev))
333 mwi = PCI_COMMAND_INVALIDATE;
334 pci_read_config_word(ha->pdev, PCI_REVISION_ID, &ha->revision);
335
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);
340
341 pci_write_config_byte(ha->pdev, PCI_LATENCY_TIMER, 0x80);
342
343 /* PCI-X -- adjust Maximum Memory Read Byte Count (2048). */
344 pcix_cmd_reg = pci_find_capability(ha->pdev, PCI_CAP_ID_PCIX);
345 if (pcix_cmd_reg) {
346 uint16_t pcix_cmd;
347
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;
351 pcix_cmd |= 0x0008;
352 pci_write_config_word(ha->pdev, pcix_cmd_reg, pcix_cmd);
353 }
354
355 /* PCIe -- adjust Maximum Read Request Size (2048). */
356 pcie_dctl_reg = pci_find_capability(ha->pdev, PCI_CAP_ID_EXP);
357 if (pcie_dctl_reg) {
358 uint16_t pcie_dctl;
359
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;
363 pcie_dctl |= 0x4000;
364 pci_write_config_word(ha->pdev, pcie_dctl_reg, pcie_dctl);
365 }
366
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);
371
372 /* Get PCI bus information. */
373 spin_lock_irqsave(&ha->hardware_lock, flags);
374 ha->pci_attr = RD_REG_DWORD(&reg->ctrl_status);
375 spin_unlock_irqrestore(&ha->hardware_lock, flags);
376
377 return QLA_SUCCESS;
378}
379
1da177e4
LT		 380/**
381 * qla2x00_isp_firmware() - Choose firmware image.
382 * @ha: HA context
383 *
384 * Returns 0 on success.
385 */
386static int
387qla2x00_isp_firmware(scsi_qla_host_t *ha)
388{
389 int rval;
390
391 /* Assume loading risc code */
fa2a1ce5 392 rval = QLA_FUNCTION_FAILED;
1da177e4
LT		 393
394 if (ha->flags.disable_risc_code_load) {
395 DEBUG2(printk("scsi(%ld): RISC CODE NOT loaded\n",
396 ha->host_no));
397 qla_printk(KERN_INFO, ha, "RISC CODE NOT loaded\n");
398
399 /* Verify checksum of loaded RISC code. */
1c7c6357
AV		 400 rval = qla2x00_verify_checksum(ha,
401 IS_QLA24XX(ha) || IS_QLA25XX(ha) ? RISC_SADDRESS :
402 *ha->brd_info->fw_info[0].fwstart);
1da177e4
LT		 403 }
404
405 if (rval) {
406 DEBUG2_3(printk("scsi(%ld): **** Load RISC code ****\n",
407 ha->host_no));
408 }
409
410 return (rval);
411}
412
413/**
414 * qla2x00_reset_chip() - Reset ISP chip.
415 * @ha: HA context
416 *
417 * Returns 0 on success.
418 */
abbd8870 419void
fa2a1ce5 420qla2x00_reset_chip(scsi_qla_host_t *ha)
1da177e4
LT		 421{
422 unsigned long flags = 0;
3d71644c 423 struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
1da177e4
LT		 424 uint32_t cnt;
425 unsigned long mbx_flags = 0;
426 uint16_t cmd;
427
abbd8870 428 ha->isp_ops.disable_intrs(ha);
1da177e4
LT		 429
430 spin_lock_irqsave(&ha->hardware_lock, flags);
431
432 /* Turn off master enable */
433 cmd = 0;
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);
437
438 if (!IS_QLA2100(ha)) {
439 /* Pause RISC. */
440 WRT_REG_WORD(&reg->hccr, HCCR_PAUSE_RISC);
441 if (IS_QLA2200(ha) || IS_QLA2300(ha)) {
442 for (cnt = 0; cnt < 30000; cnt++) {
443 if ((RD_REG_WORD(&reg->hccr) &
444 HCCR_RISC_PAUSE) != 0)
445 break;
446 udelay(100);
447 }
448 } else {
449 RD_REG_WORD(&reg->hccr); /* PCI Posting. */
450 udelay(10);
451 }
452
453 /* Select FPM registers. */
454 WRT_REG_WORD(&reg->ctrl_status, 0x20);
455 RD_REG_WORD(&reg->ctrl_status); /* PCI Posting. */
456
457 /* FPM Soft Reset. */
458 WRT_REG_WORD(&reg->fpm_diag_config, 0x100);
459 RD_REG_WORD(&reg->fpm_diag_config); /* PCI Posting. */
460
461 /* Toggle Fpm Reset. */
462 if (!IS_QLA2200(ha)) {
463 WRT_REG_WORD(&reg->fpm_diag_config, 0x0);
464 RD_REG_WORD(&reg->fpm_diag_config); /* PCI Posting. */
465 }
466
467 /* Select frame buffer registers. */
468 WRT_REG_WORD(&reg->ctrl_status, 0x10);
469 RD_REG_WORD(&reg->ctrl_status); /* PCI Posting. */
470
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. */
475 } else {
476 WRT_FB_CMD_REG(ha, reg, 0x00fc);
477
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)
481 break;
482 udelay(100);
483 }
484 }
485
486 /* Select RISC module registers. */
487 WRT_REG_WORD(&reg->ctrl_status, 0);
488 RD_REG_WORD(&reg->ctrl_status); /* PCI Posting. */
489
490 /* Reset RISC processor. */
491 WRT_REG_WORD(&reg->hccr, HCCR_RESET_RISC);
492 RD_REG_WORD(&reg->hccr); /* PCI Posting. */
493
494 /* Release RISC processor. */
495 WRT_REG_WORD(&reg->hccr, HCCR_RELEASE_RISC);
496 RD_REG_WORD(&reg->hccr); /* PCI Posting. */
497 }
498
499 WRT_REG_WORD(&reg->hccr, HCCR_CLR_RISC_INT);
500 WRT_REG_WORD(&reg->hccr, HCCR_CLR_HOST_INT);
501
502 /* Reset ISP chip. */
503 WRT_REG_WORD(&reg->ctrl_status, CSR_ISP_SOFT_RESET);
504
505 /* Wait for RISC to recover from reset. */
506 if (IS_QLA2100(ha) || IS_QLA2200(ha) || IS_QLA2300(ha)) {
507 /*
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.
511 */
512 udelay(20);
513 for (cnt = 30000; cnt; cnt--) {
514 if ((RD_REG_WORD(&reg->ctrl_status) &
515 CSR_ISP_SOFT_RESET) == 0)
516 break;
517 udelay(100);
518 }
519 } else
520 udelay(10);
521
522 /* Reset RISC processor. */
523 WRT_REG_WORD(&reg->hccr, HCCR_RESET_RISC);
524
525 WRT_REG_WORD(&reg->semaphore, 0);
526
527 /* Release RISC processor. */
528 WRT_REG_WORD(&reg->hccr, HCCR_RELEASE_RISC);
529 RD_REG_WORD(&reg->hccr); /* PCI Posting. */
530
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);
535
536 if (RD_MAILBOX_REG(ha, reg, 0) != MBS_BUSY) {
537 if (!(test_bit(ABORT_ISP_ACTIVE,
538 &ha->dpc_flags)))
539 spin_unlock_irqrestore(
540 &ha->mbx_reg_lock, mbx_flags);
541 break;
542 }
543
544 if (!(test_bit(ABORT_ISP_ACTIVE, &ha->dpc_flags)))
545 spin_unlock_irqrestore(&ha->mbx_reg_lock,
546 mbx_flags);
547
548 udelay(100);
549 }
550 } else
551 udelay(100);
552
553 /* Turn on master enable */
554 cmd |= PCI_COMMAND_MASTER;
555 pci_write_config_word(ha->pdev, PCI_COMMAND, cmd);
556
557 /* Disable RISC pause on FPM parity error. */
558 if (!IS_QLA2100(ha)) {
559 WRT_REG_WORD(&reg->hccr, HCCR_DISABLE_PARITY_PAUSE);
560 RD_REG_WORD(&reg->hccr); /* PCI Posting. */
561 }
562
563 spin_unlock_irqrestore(&ha->hardware_lock, flags);
564}
565
0107109e 566/**
88c26663 567 * qla24xx_reset_risc() - Perform full reset of ISP24xx RISC.
0107109e
AV		 568 * @ha: HA context
569 *
570 * Returns 0 on success.
571 */
88c26663
AV		 572static inline void
573qla24xx_reset_risc(scsi_qla_host_t *ha)
0107109e
AV		 574{
575 unsigned long flags = 0;
576 struct device_reg_24xx __iomem *reg = &ha->iobase->isp24;
577 uint32_t cnt, d2;
578
0107109e
AV		 579 spin_lock_irqsave(&ha->hardware_lock, flags);
580
581 /* Reset RISC. */
582 WRT_REG_DWORD(&reg->ctrl_status, CSRX_DMA_SHUTDOWN|MWB_4096_BYTES);
583 for (cnt = 0; cnt < 30000; cnt++) {
584 if ((RD_REG_DWORD(&reg->ctrl_status) & CSRX_DMA_ACTIVE) == 0)
585 break;
586
587 udelay(10);
588 }
589
590 WRT_REG_DWORD(&reg->ctrl_status,
591 CSRX_ISP_SOFT_RESET|CSRX_DMA_SHUTDOWN|MWB_4096_BYTES);
88c26663
AV		 592 RD_REG_DWORD(&reg->ctrl_status);
593
594 /* Wait for firmware to complete NVRAM accesses. */
595 udelay(5);
596 d2 = (uint32_t) RD_REG_WORD(&reg->mailbox0);
597 for (cnt = 10000 ; cnt && d2; cnt--) {
598 udelay(5);
599 d2 = (uint32_t) RD_REG_WORD(&reg->mailbox0);
600 barrier();
601 }
602
0107109e
AV		 603 udelay(20);
604 d2 = RD_REG_DWORD(&reg->ctrl_status);
605 for (cnt = 6000000 ; cnt && (d2 & CSRX_ISP_SOFT_RESET); cnt--) {
606 udelay(5);
607 d2 = RD_REG_DWORD(&reg->ctrl_status);
608 barrier();
609 }
610
611 WRT_REG_DWORD(&reg->hccr, HCCRX_SET_RISC_RESET);
612 RD_REG_DWORD(&reg->hccr);
613
614 WRT_REG_DWORD(&reg->hccr, HCCRX_REL_RISC_PAUSE);
615 RD_REG_DWORD(&reg->hccr);
616
617 WRT_REG_DWORD(&reg->hccr, HCCRX_CLR_RISC_RESET);
618 RD_REG_DWORD(&reg->hccr);
619
620 d2 = (uint32_t) RD_REG_WORD(&reg->mailbox0);
621 for (cnt = 6000000 ; cnt && d2; cnt--) {
622 udelay(5);
623 d2 = (uint32_t) RD_REG_WORD(&reg->mailbox0);
624 barrier();
625 }
626
627 spin_unlock_irqrestore(&ha->hardware_lock, flags);
628}
629
88c26663
AV		 630/**
631 * qla24xx_reset_chip() - Reset ISP24xx chip.
632 * @ha: HA context
633 *
634 * Returns 0 on success.
635 */
636void
637qla24xx_reset_chip(scsi_qla_host_t *ha)
638{
639 ha->isp_ops.disable_intrs(ha);
640
641 /* Perform RISC reset. */
642 qla24xx_reset_risc(ha);
643}
644
1da177e4
LT		 645/**
646 * qla2x00_chip_diag() - Test chip for proper operation.
647 * @ha: HA context
648 *
649 * Returns 0 on success.
650 */
abbd8870 651int
1da177e4
LT		 652qla2x00_chip_diag(scsi_qla_host_t *ha)
653{
654 int rval;
3d71644c 655 struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
1da177e4
LT		 656 unsigned long flags = 0;
657 uint16_t data;
658 uint32_t cnt;
659 uint16_t mb[5];
660
661 /* Assume a failed state */
662 rval = QLA_FUNCTION_FAILED;
663
664 DEBUG3(printk("scsi(%ld): Testing device at %lx.\n",
665 ha->host_no, (u_long)&reg->flash_address));
666
667 spin_lock_irqsave(&ha->hardware_lock, flags);
668
669 /* Reset ISP chip. */
670 WRT_REG_WORD(&reg->ctrl_status, CSR_ISP_SOFT_RESET);
671
672 /*
673 * We need to have a delay here since the card will not respond while
674 * in reset causing an MCA on some architectures.
675 */
676 udelay(20);
677 data = qla2x00_debounce_register(&reg->ctrl_status);
678 for (cnt = 6000000 ; cnt && (data & CSR_ISP_SOFT_RESET); cnt--) {
679 udelay(5);
680 data = RD_REG_WORD(&reg->ctrl_status);
681 barrier();
682 }
683
684 if (!cnt)
685 goto chip_diag_failed;
686
687 DEBUG3(printk("scsi(%ld): Reset register cleared by chip reset\n",
688 ha->host_no));
689
690 /* Reset RISC processor. */
691 WRT_REG_WORD(&reg->hccr, HCCR_RESET_RISC);
692 WRT_REG_WORD(&reg->hccr, HCCR_RELEASE_RISC);
693
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--) {
698 udelay(5);
699 data = RD_MAILBOX_REG(ha, reg, 0);
fa2a1ce5 700 barrier();
1da177e4
LT		 701 }
702 } else
703 udelay(10);
704
705 if (!cnt)
706 goto chip_diag_failed;
707
708 /* Check product ID of chip */
709 DEBUG3(printk("scsi(%ld): Checking product ID of chip\n", ha->host_no));
710
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]);
719
720 goto chip_diag_failed;
721 }
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];
726
727 /* Adjust fw RISC transfer size */
728 if (ha->request_q_length > 1024)
729 ha->fw_transfer_size = REQUEST_ENTRY_SIZE * 1024;
730 else
731 ha->fw_transfer_size = REQUEST_ENTRY_SIZE *
732 ha->request_q_length;
733
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",
738 ha->host_no));
739
740 ha->fw_transfer_size = 128;
741 }
742
743 /* Wrap Incoming Mailboxes Test. */
744 spin_unlock_irqrestore(&ha->hardware_lock, flags);
745
746 DEBUG3(printk("scsi(%ld): Checking mailboxes.\n", ha->host_no));
747 rval = qla2x00_mbx_reg_test(ha);
748 if (rval) {
749 DEBUG(printk("scsi(%ld): Failed mailbox send register test\n",
750 ha->host_no));
751 qla_printk(KERN_WARNING, ha,
752 "Failed mailbox send register test\n");
753 }
754 else {
755 /* Flag a successful rval */
756 rval = QLA_SUCCESS;
757 }
758 spin_lock_irqsave(&ha->hardware_lock, flags);
759
760chip_diag_failed:
761 if (rval)
762 DEBUG2_3(printk("scsi(%ld): Chip diagnostics **** FAILED "
763 "****\n", ha->host_no));
764
765 spin_unlock_irqrestore(&ha->hardware_lock, flags);
766
767 return (rval);
768}
769
0107109e
AV		 770/**
771 * qla24xx_chip_diag() - Test ISP24xx for proper operation.
772 * @ha: HA context
773 *
774 * Returns 0 on success.
775 */
776int
777qla24xx_chip_diag(scsi_qla_host_t *ha)
778{
779 int rval;
0107109e 780
88c26663
AV		 781 /* Perform RISC reset. */
782 qla24xx_reset_risc(ha);
0107109e
AV		 783
784 ha->fw_transfer_size = REQUEST_ENTRY_SIZE * 1024;
785
786 rval = qla2x00_mbx_reg_test(ha);
787 if (rval) {
788 DEBUG(printk("scsi(%ld): Failed mailbox send register test\n",
789 ha->host_no));
790 qla_printk(KERN_WARNING, ha,
791 "Failed mailbox send register test\n");
792 } else {
793 /* Flag a successful rval */
794 rval = QLA_SUCCESS;
795 }
796
797 return rval;
798}
799
800static void
801qla2x00_alloc_fw_dump(scsi_qla_host_t *ha)
802{
803 ha->fw_dumped = 0;
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);
807 if (ha->fw_dump24)
808 qla_printk(KERN_INFO, ha, "Allocated (%d KB) for firmware "
809 "dump...\n", ha->fw_dump24_len / 1024);
810 else
811 qla_printk(KERN_WARNING, ha, "Unable to allocate (%d KB) for "
812 "firmware dump!!!\n", ha->fw_dump24_len / 1024);
813}
814
1da177e4
LT		 815/**
816 * qla2x00_resize_request_q() - Resize request queue given available ISP memory.
817 * @ha: HA context
818 *
819 * Returns 0 on success.
820 */
821static void
822qla2x00_resize_request_q(scsi_qla_host_t *ha)
823{
824 int rval;
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;
829
830 /* Valid only on recent ISPs. */
831 if (IS_QLA2100(ha) || IS_QLA2200(ha))
832 return;
833
0107109e
AV		 834 if (IS_QLA24XX(ha) || IS_QLA25XX(ha))
835 qla2x00_alloc_fw_dump(ha);
836
1da177e4
LT		 837 /* Retrieve IOCB counts available to the firmware. */
838 rval = qla2x00_get_resource_cnts(ha, NULL, NULL, NULL, &fw_iocb_cnt);
839 if (rval)
840 return;
841 /* No point in continuing if current settings are sufficient. */
842 if (fw_iocb_cnt < 1024)
843 return;
844 if (ha->request_q_length >= request_q_length)
845 return;
846
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,
850 GFP_KERNEL);
851 if (request_ring == NULL)
852 return;
853
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);
859
860 /* Clear old allocations. */
861 dma_free_coherent(&ha->pdev->dev,
862 (ha->request_q_length + 1) * sizeof(request_t), ha->request_ring,
863 ha->request_dma);
864
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;
869}
870
871/**
872 * qla2x00_setup_chip() - Load and start RISC firmware.
873 * @ha: HA context
874 *
875 * Returns 0 on success.
876 */
877static int
878qla2x00_setup_chip(scsi_qla_host_t *ha)
879{
0107109e
AV		 880 int rval;
881 uint32_t srisc_address = 0;
1da177e4
LT		 882
883 /* Load firmware sequences */
0107109e
AV		 884 rval = ha->isp_ops.load_risc(ha, &srisc_address);
885 if (rval == QLA_SUCCESS) {
1da177e4
LT		 886 DEBUG(printk("scsi(%ld): Verifying Checksum of loaded RISC "
887 "code.\n", ha->host_no));
888
0107109e 889 rval = qla2x00_verify_checksum(ha, srisc_address);
1da177e4
LT		 890 if (rval == QLA_SUCCESS) {
891 /* Start firmware execution. */
892 DEBUG(printk("scsi(%ld): Checksum OK, start "
893 "firmware.\n", ha->host_no));
894
0107109e 895 rval = qla2x00_execute_fw(ha, srisc_address);
1da177e4
LT		 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);
904 }
905 } else {
906 DEBUG2(printk(KERN_INFO
907 "scsi(%ld): ISP Firmware failed checksum.\n",
908 ha->host_no));
909 }
910 }
911
912 if (rval) {
913 DEBUG2_3(printk("scsi(%ld): Setup chip **** FAILED ****.\n",
914 ha->host_no));
915 }
916
917 return (rval);
918}
919
920/**
921 * qla2x00_init_response_q_entries() - Initializes response queue entries.
922 * @ha: HA context
923 *
924 * Beginning of request ring has initialization control block already built
925 * by nvram config routine.
926 *
927 * Returns 0 on success.
928 */
929static void
930qla2x00_init_response_q_entries(scsi_qla_host_t *ha)
931{
932 uint16_t cnt;
933 response_t *pkt;
934
935 pkt = ha->response_ring_ptr;
936 for (cnt = 0; cnt < ha->response_q_length; cnt++) {
937 pkt->signature = RESPONSE_PROCESSED;
938 pkt++;
939 }
940
941}
942
943/**
944 * qla2x00_update_fw_options() - Read and process firmware options.
945 * @ha: HA context
946 *
947 * Returns 0 on success.
948 */
abbd8870 949void
1da177e4
LT		 950qla2x00_update_fw_options(scsi_qla_host_t *ha)
951{
952 uint16_t swing, emphasis, tx_sens, rx_sens;
953
954 memset(ha->fw_options, 0, sizeof(ha->fw_options));
955 qla2x00_get_fw_options(ha, ha->fw_options);
956
957 if (IS_QLA2100(ha) || IS_QLA2200(ha))
958 return;
959
960 /* Serial Link options. */
961 DEBUG3(printk("scsi(%ld): Serial link options:\n",
962 ha->host_no));
963 DEBUG3(qla2x00_dump_buffer((uint8_t *)&ha->fw_seriallink_options,
964 sizeof(ha->fw_seriallink_options)));
965
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;
969
970 /* 1G settings */
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] &
fa2a1ce5 975 (BIT_3 | BIT_2 | BIT_1 | BIT_0);
1da177e4
LT		 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)) {
980 if (rx_sens == 0x0)
981 rx_sens = 0x3;
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));
987
988 /* 2G settings */
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] &
fa2a1ce5 993 (BIT_3 | BIT_2 | BIT_1 | BIT_0);
1da177e4
LT		 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)) {
998 if (rx_sens == 0x0)
999 rx_sens = 0x3;
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));
1005 }
1006
1007 /* FCP2 options. */
1008 /* Return command IOCBs without waiting for an ABTS to complete. */
1009 ha->fw_options[3] |= BIT_13;
1010
1011 /* LED scheme. */
1012 if (ha->flags.enable_led_scheme)
1013 ha->fw_options[2] |= BIT_12;
1014
1015 /* Update firmware options. */
1016 qla2x00_set_fw_options(ha, ha->fw_options);
1017}
1018
0107109e
AV		 1019void
1020qla24xx_update_fw_options(scsi_qla_host_t *ha)
1021{
1022 int rval;
1023
1024 /* Update Serial Link options. */
1025 if ((ha->fw_seriallink_options24[0] & BIT_0) == 0)
1026 return;
1027
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);
1033 }
1034}
1035
abbd8870
AV		 1036void
1037qla2x00_config_rings(struct scsi_qla_host *ha)
1038{
3d71644c 1039 struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
abbd8870
AV		 1040
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));
1050
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. */
1056}
1057
0107109e
AV		 1058void
1059qla24xx_config_rings(struct scsi_qla_host *ha)
1060{
1061 struct device_reg_24xx __iomem *reg = &ha->iobase->isp24;
1062 struct init_cb_24xx *icb;
1063
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));
1074
1075 WRT_REG_DWORD(&reg->req_q_in, 0);
1076 WRT_REG_DWORD(&reg->req_q_out, 0);
1077 WRT_REG_DWORD(&reg->rsp_q_in, 0);
1078 WRT_REG_DWORD(&reg->rsp_q_out, 0);
1079 RD_REG_DWORD(&reg->rsp_q_out);
1080}
1081
1da177e4
LT		 1082/**
1083 * qla2x00_init_rings() - Initializes firmware.
1084 * @ha: HA context
1085 *
1086 * Beginning of request ring has initialization control block already built
1087 * by nvram config routine.
1088 *
1089 * Returns 0 on success.
1090 */
1091static int
1092qla2x00_init_rings(scsi_qla_host_t *ha)
1093{
1094 int rval;
1095 unsigned long flags = 0;
1096 int cnt;
1da177e4
LT		 1097
1098 spin_lock_irqsave(&ha->hardware_lock, flags);
1099
1100 /* Clear outstanding commands array. */
1101 for (cnt = 0; cnt < MAX_OUTSTANDING_COMMANDS; cnt++)
1102 ha->outstanding_cmds[cnt] = NULL;
1103
1104 ha->current_outstanding_cmd = 0;
1105
1106 /* Clear RSCN queue. */
1107 ha->rscn_in_ptr = 0;
1108 ha->rscn_out_ptr = 0;
1109
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;
1116
1da177e4
LT		 1117 /* Initialize response queue entries */
1118 qla2x00_init_response_q_entries(ha);
1119
abbd8870 1120 ha->isp_ops.config_rings(ha);
1da177e4
LT		 1121
1122 spin_unlock_irqrestore(&ha->hardware_lock, flags);
1123
1124 /* Update any ISP specific firmware options before initialization. */
abbd8870 1125 ha->isp_ops.update_fw_options(ha);
1da177e4
LT		 1126
1127 DEBUG(printk("scsi(%ld): Issue init firmware.\n", ha->host_no));
0107109e 1128 rval = qla2x00_init_firmware(ha, ha->init_cb_size);
1da177e4
LT		 1129 if (rval) {
1130 DEBUG2_3(printk("scsi(%ld): Init firmware **** FAILED ****.\n",
1131 ha->host_no));
1132 } else {
1133 DEBUG3(printk("scsi(%ld): Init firmware -- success.\n",
1134 ha->host_no));
1135 }
1136
1137 return (rval);
1138}
1139
1140/**
1141 * qla2x00_fw_ready() - Waits for firmware ready.
1142 * @ha: HA context
1143 *
1144 * Returns 0 on success.
1145 */
1146static int
1147qla2x00_fw_ready(scsi_qla_host_t *ha)
1148{
1149 int rval;
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 */
1153 uint16_t fw_state;
1154
1155 rval = QLA_SUCCESS;
1156
1157 /* 20 seconds for loop down. */
fa2a1ce5 1158 min_wait = 20;
1da177e4
LT		 1159
1160 /*
1161 * Firmware should take at most one RATOV to login, plus 5 seconds for
1162 * our own processing.
1163 */
1164 if ((wait_time = (ha->retry_count*ha->login_timeout) + 5) < min_wait) {
1165 wait_time = min_wait;
1166 }
1167
1168 /* Min wait time if loop down */
1169 mtime = jiffies + (min_wait * HZ);
1170
1171 /* wait time before firmware ready */
1172 wtime = jiffies + (wait_time * HZ);
1173
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");
1177
1178 DEBUG3(printk("scsi(%ld): Waiting for LIP to complete...\n",
1179 ha->host_no));
1180
1181 do {
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;
1186 }
1187 if (fw_state == FSTATE_READY) {
1188 DEBUG(printk("scsi(%ld): F/W Ready - OK \n",
1189 ha->host_no));
1190
1191 qla2x00_get_retry_cnt(ha, &ha->retry_count,
1192 &ha->login_timeout, &ha->r_a_tov);
1193
1194 rval = QLA_SUCCESS;
1195 break;
1196 }
1197
1198 rval = QLA_FUNCTION_FAILED;
1199
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
fa2a1ce5
AV		 1204 * other than Wait for Login.
1205 */
1da177e4
LT		 1206 if (time_after_eq(jiffies, mtime)) {
1207 qla_printk(KERN_INFO, ha,
1208 "Cable is unplugged...\n");
1209
1210 ha->device_flags |= DFLG_NO_CABLE;
1211 break;
1212 }
1213 }
1214 } else {
1215 /* Mailbox cmd failed. Timeout on min_wait. */
1216 if (time_after_eq(jiffies, mtime))
1217 break;
1218 }
1219
1220 if (time_after_eq(jiffies, wtime))
1221 break;
1222
1223 /* Delay for a while */
1224 msleep(500);
1225
1226 DEBUG3(printk("scsi(%ld): fw_state=%x curr time=%lx.\n",
1227 ha->host_no, fw_state, jiffies));
1228 } while (1);
1229
1230 DEBUG(printk("scsi(%ld): fw_state=%x curr time=%lx.\n",
1231 ha->host_no, fw_state, jiffies));
1232
1233 if (rval) {
1234 DEBUG2_3(printk("scsi(%ld): Firmware ready **** FAILED ****.\n",
1235 ha->host_no));
1236 }
1237
1238 return (rval);
1239}
1240
1241/*
1242* qla2x00_configure_hba
1243* Setup adapter context.
1244*
1245* Input:
1246* ha = adapter state pointer.
1247*
1248* Returns:
1249* 0 = success
1250*
1251* Context:
1252* Kernel context.
1253*/
1254static int
1255qla2x00_configure_hba(scsi_qla_host_t *ha)
1256{
1257 int rval;
1258 uint16_t loop_id;
1259 uint16_t topo;
1260 uint8_t al_pa;
1261 uint8_t area;
1262 uint8_t domain;
1263 char connect_type[22];
1264
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);
1272 return (rval);
1273 }
1274
1275 if (topo == 4) {
1276 qla_printk(KERN_INFO, ha,
1277 "Cannot get topology - retrying.\n");
1278 return (QLA_FUNCTION_FAILED);
1279 }
1280
1281 ha->loop_id = loop_id;
1282
1283 /* initialize */
1284 ha->min_external_loopid = SNS_FIRST_LOOP_ID;
1285 ha->operating_mode = LOOP;
1286
1287 switch (topo) {
1288 case 0:
1289 DEBUG3(printk("scsi(%ld): HBA in NL topology.\n",
1290 ha->host_no));
1291 ha->current_topology = ISP_CFG_NL;
1292 strcpy(connect_type, "(Loop)");
1293 break;
1294
1295 case 1:
1296 DEBUG3(printk("scsi(%ld): HBA in FL topology.\n",
1297 ha->host_no));
1298 ha->current_topology = ISP_CFG_FL;
1299 strcpy(connect_type, "(FL_Port)");
1300 break;
1301
1302 case 2:
1303 DEBUG3(printk("scsi(%ld): HBA in N P2P topology.\n",
1304 ha->host_no));
1305 ha->operating_mode = P2P;
1306 ha->current_topology = ISP_CFG_N;
1307 strcpy(connect_type, "(N_Port-to-N_Port)");
1308 break;
1309
1310 case 3:
1311 DEBUG3(printk("scsi(%ld): HBA in F P2P topology.\n",
1312 ha->host_no));
1313 ha->operating_mode = P2P;
1314 ha->current_topology = ISP_CFG_F;
1315 strcpy(connect_type, "(F_Port)");
1316 break;
1317
1318 default:
1319 DEBUG3(printk("scsi(%ld): HBA in unknown topology %x. "
1320 "Using NL.\n",
1321 ha->host_no, topo));
1322 ha->current_topology = ISP_CFG_NL;
1323 strcpy(connect_type, "(Loop)");
1324 break;
1325 }
1326
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;
1332
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);
1337
1338 if (rval) {
1339 DEBUG2_3(printk("scsi(%ld): FAILED.\n", ha->host_no));
1340 } else {
1341 DEBUG3(printk("scsi(%ld): exiting normally.\n", ha->host_no));
1342 }
1343
1344 return(rval);
1345}
1346
1347/*
1348* NVRAM configuration for ISP 2xxx
1349*
1350* Input:
1351* ha = adapter block pointer.
1352*
1353* Output:
1354* initialization control block in response_ring
1355* host adapters parameters in host adapter block
1356*
1357* Returns:
1358* 0 = success.
1359*/
abbd8870 1360int
1da177e4
LT		 1361qla2x00_nvram_config(scsi_qla_host_t *ha)
1362{
0107109e
AV		 1363 int rval;
1364 uint8_t chksum = 0;
1365 uint16_t cnt;
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;
3d71644c 1370 struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
0107109e 1371 uint8_t timer_mode;
1da177e4
LT		 1372
1373 rval = QLA_SUCCESS;
1374
1375 /* Determine NVRAM starting address. */
0107109e 1376 ha->nvram_size = sizeof(nvram_t);
1da177e4
LT		 1377 ha->nvram_base = 0;
1378 if (!IS_QLA2100(ha) && !IS_QLA2200(ha) && !IS_QLA2300(ha))
1379 if ((RD_REG_WORD(&reg->ctrl_status) >> 14) == 1)
1380 ha->nvram_base = 0x80;
1381
1382 /* Get NVRAM data and calculate checksum. */
0107109e
AV		 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++)
1385 chksum += *ptr++;
1da177e4
LT		 1386
1387 DEBUG5(printk("scsi(%ld): Contents of NVRAM\n", ha->host_no));
1388 DEBUG5(qla2x00_dump_buffer((uint8_t *)ha->request_ring,
0107109e 1389 ha->nvram_size));
1da177e4
LT		 1390
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],
1397 nv->nvram_version);
1398 qla_printk(KERN_WARNING, ha, "Falling back to functioning (yet "
1399 "invalid -- WWPN) defaults.\n");
1400
1401 /*
1402 * Set default initialization control block.
1403 */
0107109e 1404 memset(nv, 0, ha->nvram_size);
1da177e4
LT		 1405 nv->parameter_block_version = ICB_VERSION;
1406
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);
1424 }
1425
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;
1430
1431 nv->port_name[0] = 33;
1432 nv->port_name[3] = 224;
1433 nv->port_name[4] = 139;
1434
1435 nv->login_timeout = 4;
1436
1437 /*
1438 * Set default host adapter parameters
1439 */
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;
1445
1446 rval = 1;
1447 }
1448
1449#if defined(CONFIG_IA64_GENERIC) || defined(CONFIG_IA64_SGI_SN2)
1450 /*
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
1454 * are valid.
1455 */
1456 if (ia64_platform_is("sn2")) {
1457 nv->frame_payload_size = __constant_cpu_to_le16(2048);
1458 if (IS_QLA23XX(ha))
1459 nv->special_options[1] = BIT_7;
1460 }
1461#endif
1462
1463 /* Reset Initialization control block */
0107109e 1464 memset(icb, 0, ha->init_cb_size);
1da177e4
LT		 1465
1466 /*
1467 * Setup driver NVRAM options.
1468 */
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;
1473
1474 if (IS_QLA23XX(ha)) {
1475 nv->firmware_options[0] |= BIT_2;
1476 nv->firmware_options[0] &= ~BIT_3;
0107109e 1477 nv->add_firmware_options[1] |= BIT_5 | BIT_4;
1da177e4
LT		 1478
1479 if (IS_QLA2300(ha)) {
1480 if (ha->fb_rev == FPM_2310) {
1481 strcpy(ha->model_number, "QLA2310");
1482 } else {
1483 strcpy(ha->model_number, "QLA2300");
1484 }
1485 } else {
1486 if (rval == 0 &&
1487 memcmp(nv->model_number, BINZERO,
1488 sizeof(nv->model_number)) != 0) {
1489 char *st, *en;
1490
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;
1495 while (en > st) {
1496 if (*en != 0x20 && *en != 0x00)
1497 break;
1498 *en-- = '\0';
1499 }
1500 } else {
1501 uint16_t index;
1502
1503 index = (ha->pdev->subsystem_device & 0xff);
1504 if (index < QLA_MODEL_NAMES) {
1505 strcpy(ha->model_number,
1506 qla2x00_model_name[index]);
1507 ha->model_desc =
1508 qla2x00_model_desc[index];
1509 } else {
1510 strcpy(ha->model_number, "QLA23xx");
1511 }
1512 }
1513 }
1514 } else if (IS_QLA2200(ha)) {
1515 nv->firmware_options[0] |= BIT_2;
1516 /*
1517 * 'Point-to-point preferred, else loop' is not a safe
1518 * connection mode setting.
1519 */
1520 if ((nv->add_firmware_options[0] & (BIT_6 | BIT_5 | BIT_4)) ==
1521 (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;
1525 }
1526 strcpy(ha->model_number, "QLA22xx");
1527 } else /*if (IS_QLA2100(ha))*/ {
1528 strcpy(ha->model_number, "QLA2100");
1529 }
1530
1531 /*
1532 * Copy over NVRAM RISC parameter block to initialization control block.
1533 */
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;
1537 while (cnt--)
1538 *dptr1++ = *dptr2++;
1539
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;
1543 while (cnt--)
1544 *dptr1++ = *dptr2++;
1545
1546 /* Prepare nodename */
1547 if ((icb->firmware_options[1] & BIT_6) == 0) {
1548 /*
1549 * Firmware will apply the following mask if the nodename was
1550 * not provided.
1551 */
1552 memcpy(icb->node_name, icb->port_name, WWN_SIZE);
1553 icb->node_name[0] &= 0xF0;
1554 }
1555
1556 /*
1557 * Set host adapter parameters.
1558 */
1da177e4
LT		 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);
1567
1568 ha->operating_mode =
1569 (icb->add_firmware_options[0] & (BIT_6 | BIT_5 | BIT_4)) >> 4;
1570
1571 memcpy(ha->fw_seriallink_options, nv->seriallink_options,
1572 sizeof(ha->fw_seriallink_options));
1573
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];
3d71644c
AV		 1578 ha->node_name = icb->node_name;
1579 ha->port_name = icb->port_name;
1da177e4
LT		 1580
1581 icb->execution_throttle = __constant_cpu_to_le16(0xFFFF);
1582
1583 ha->retry_count = nv->retry_count;
1584
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;
1592
1593 /* Set minimum RATOV to 200 tenths of a second. */
1594 ha->r_a_tov = 200;
1595
1da177e4
LT		 1596 ha->loop_reset_delay = nv->reset_delay;
1597
1da177e4
LT		 1598 /* Link Down Timeout = 0:
1599 *
1600 * When Port Down timer expires we will start returning
1601 * I/O's to OS with "DID_NO_CONNECT".
1602 *
1603 * Link Down Timeout != 0:
1604 *
1605 * The driver waits for the link to come up after link down
1606 * before returning I/Os to OS with "DID_NO_CONNECT".
fa2a1ce5 1607 */
1da177e4
LT		 1608 if (nv->link_down_timeout == 0) {
1609 ha->loop_down_abort_time =
354d6b21 1610 (LOOP_DOWN_TIME - LOOP_DOWN_TIMEOUT);
1da177e4
LT		 1611 } else {
1612 ha->link_down_timeout = nv->link_down_timeout;
1613 ha->loop_down_abort_time =
1614 (LOOP_DOWN_TIME - ha->link_down_timeout);
fa2a1ce5 1615 }
1da177e4 1616
1da177e4
LT		 1617 /*
1618 * Need enough time to try and get the port back.
1619 */
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;
1632
1da177e4
LT		 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);
1637
1638 if (IS_QLA2100(ha) || IS_QLA2200(ha)) {
1639 /* Enable RIO */
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;
1646
1647 ha->flags.process_response_queue = 1;
1648 } else {
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);
1654 if (ql2xenablezio)
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);
1662
1663 icb->add_firmware_options[0] |= timer_mode;
1664 icb->interrupt_delay_timer = ql2xintrdelaytimer;
1665 ha->flags.process_response_queue = 1;
1666 }
1667 }
1668
1669 if (rval) {
1670 DEBUG2_3(printk(KERN_WARNING
1671 "scsi(%ld): NVRAM configuration failed!\n", ha->host_no));
1672 }
1673 return (rval);
1674}
1675
1da177e4
LT		 1676/**
1677 * qla2x00_alloc_fcport() - Allocate a generic fcport.
1678 * @ha: HA context
1679 * @flags: allocation flags
1680 *
1681 * Returns a pointer to the allocated fcport, or NULL, if none available.
1682 */
1683fc_port_t *
1684qla2x00_alloc_fcport(scsi_qla_host_t *ha, int flags)
1685{
1686 fc_port_t *fcport;
1687
1688 fcport = kmalloc(sizeof(fc_port_t), flags);
1689 if (fcport == NULL)
1690 return (fcport);
1691
1692 /* Setup fcport template structure. */
1693 memset(fcport, 0, sizeof (fc_port_t));
1694 fcport->ha = ha;
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;
1da177e4
LT		 1700
1701 return (fcport);
1702}
1703
1704/*
1705 * qla2x00_configure_loop
1706 * Updates Fibre Channel Device Database with what is actually on loop.
1707 *
1708 * Input:
1709 * ha = adapter block pointer.
1710 *
1711 * Returns:
1712 * 0 = success.
1713 * 1 = error.
1714 * 2 = database was full and device was not configured.
1715 */
1716static int
fa2a1ce5 1717qla2x00_configure_loop(scsi_qla_host_t *ha)
1da177e4
LT		 1718{
1719 int rval;
1720 unsigned long flags, save_flags;
1721
1722 rval = QLA_SUCCESS;
1723
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",
1729 ha->host_no));
1730 return (rval);
1731 }
1732 }
1733
1734 save_flags = flags = ha->dpc_flags;
1735 DEBUG(printk("scsi(%ld): Configure loop -- dpc flags =0x%lx\n",
1736 ha->host_no, flags));
1737
1738 /*
1739 * If we have both an RSCN and PORT UPDATE pending then handle them
1740 * both at the same time.
1741 */
1742 clear_bit(LOCAL_LOOP_UPDATE, &ha->dpc_flags);
1743 clear_bit(RSCN_UPDATE, &ha->dpc_flags);
1da177e4
LT		 1744
1745 /* Determine what we need to do */
1746 if (ha->current_topology == ISP_CFG_FL &&
1747 (test_bit(LOCAL_LOOP_UPDATE, &flags))) {
1748
1749 ha->flags.rscn_queue_overflow = 1;
1750 set_bit(RSCN_UPDATE, &flags);
1751
1752 } else if (ha->current_topology == ISP_CFG_F &&
1753 (test_bit(LOCAL_LOOP_UPDATE, &flags))) {
1754
1755 ha->flags.rscn_queue_overflow = 1;
1756 set_bit(RSCN_UPDATE, &flags);
1757 clear_bit(LOCAL_LOOP_UPDATE, &flags);
1758
1759 } else if (!ha->flags.online ||
1760 (test_bit(ABORT_ISP_ACTIVE, &flags))) {
1761
1762 ha->flags.rscn_queue_overflow = 1;
1763 set_bit(RSCN_UPDATE, &flags);
1764 set_bit(LOCAL_LOOP_UPDATE, &flags);
1765 }
1766
1767 if (test_bit(LOCAL_LOOP_UPDATE, &flags)) {
1768 if (test_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags)) {
1769 rval = QLA_FUNCTION_FAILED;
1770 } else {
1771 rval = qla2x00_configure_local_loop(ha);
1772 }
1773 }
1774
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;
1778 } else {
1779 rval = qla2x00_configure_fabric(ha);
1780 }
1781 }
1782
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;
1787 } else {
1da177e4
LT		 1788 atomic_set(&ha->loop_state, LOOP_READY);
1789
1790 DEBUG(printk("scsi(%ld): LOOP READY\n", ha->host_no));
1791 }
1792 }
1793
1794 if (rval) {
1795 DEBUG2_3(printk("%s(%ld): *** FAILED ***\n",
1796 __func__, ha->host_no));
1797 } else {
1798 DEBUG3(printk("%s: exiting normally\n", __func__));
1799 }
1800
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);
1807 }
1808
1809 return (rval);
1810}
1811
1812
1813
1814/*
1815 * qla2x00_configure_local_loop
1816 * Updates Fibre Channel Device Database with local loop devices.
1817 *
1818 * Input:
1819 * ha = adapter block pointer.
1820 *
1821 * Returns:
1822 * 0 = success.
1823 */
1824static int
fa2a1ce5 1825qla2x00_configure_local_loop(scsi_qla_host_t *ha)
1da177e4
LT		 1826{
1827 int rval, rval2;
1828 int found_devs;
1829 int found;
1830 fc_port_t *fcport, *new_fcport;
1831
1832 uint16_t index;
1833 uint16_t entries;
1834 char *id_iter;
1835 uint16_t loop_id;
1836 uint8_t domain, area, al_pa;
1837
1838 found_devs = 0;
1839 new_fcport = NULL;
1840 entries = MAX_FIBRE_DEVICES;
1841
1842 DEBUG3(printk("scsi(%ld): Getting FCAL position map\n", ha->host_no));
1843 DEBUG3(qla2x00_get_fcal_position_map(ha, NULL));
1844
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,
1848 &entries);
1849 if (rval != QLA_SUCCESS)
1850 goto cleanup_allocation;
1851
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)));
1856
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;
1862 }
1863 new_fcport->flags &= ~FCF_FABRIC_DEVICE;
1864
1865 /*
1866 * Mark local devices that were present with FCF_DEVICE_LOST for now.
1867 */
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) {
1872
1873 DEBUG(printk("scsi(%ld): Marking port lost, "
1874 "loop_id=0x%04x\n",
1875 ha->host_no, fcport->loop_id));
1876
1877 atomic_set(&fcport->state, FCS_DEVICE_LOST);
1878 fcport->flags &= ~FCF_FARP_DONE;
1879 }
1880 }
1881
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;
abbd8870 1888 if (IS_QLA2100(ha) || IS_QLA2200(ha))
1da177e4
LT		 1889 loop_id = (uint16_t)
1890 ((struct gid_list_info *)id_iter)->loop_id_2100;
abbd8870 1891 else
1da177e4
LT		 1892 loop_id = le16_to_cpu(
1893 ((struct gid_list_info *)id_iter)->loop_id);
abbd8870 1894 id_iter += ha->gid_list_info_size;
1da177e4
LT		 1895
1896 /* Bypass reserved domain fields. */
1897 if ((domain & 0xf0) == 0xf0)
1898 continue;
1899
1900 /* Bypass if not same domain and area of adapter. */
1901 if (area != ha->d_id.b.area || domain != ha->d_id.b.domain)
1902 continue;
1903
1904 /* Bypass invalid local loop ID. */
1905 if (loop_id > LAST_LOCAL_LOOP_ID)
1906 continue;
1907
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, "
1917 "loop_id=0x%04x\n",
1918 ha->host_no, rval2, new_fcport->loop_id));
1919 continue;
1920 }
1921
1922 /* Check for matching device in port list. */
1923 found = 0;
1924 fcport = NULL;
1925 list_for_each_entry(fcport, &ha->fcports, list) {
1926 if (memcmp(new_fcport->port_name, fcport->port_name,
1927 WWN_SIZE))
1928 continue;
1929
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,
1936 WWN_SIZE);
1937
1938 found++;
1939 break;
1940 }
1941
1942 if (!found) {
1943 /* New device, add to fcports list. */
1944 new_fcport->flags &= ~FCF_PERSISTENT_BOUND;
1945 list_add_tail(&new_fcport->list, &ha->fcports);
1946
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;
1953 }
1954 new_fcport->flags &= ~FCF_FABRIC_DEVICE;
1955 }
1956
1957 qla2x00_update_fcport(ha, fcport);
1958
1959 found_devs++;
1960 }
1961
1962cleanup_allocation:
1963 if (new_fcport)
1964 kfree(new_fcport);
1965
1966 if (rval != QLA_SUCCESS) {
1967 DEBUG2(printk("scsi(%ld): Configure local loop error exit: "
1968 "rval=%x\n", ha->host_no, rval));
1969 }
1970
1971 if (found_devs) {
1972 ha->device_flags |= DFLG_LOCAL_DEVICES;
1973 ha->device_flags &= ~DFLG_RETRY_LOCAL_DEVICES;
1974 }
1975
1976 return (rval);
1977}
1978
1979static void
fa2a1ce5 1980qla2x00_probe_for_all_luns(scsi_qla_host_t *ha)
1da177e4
LT		 1981{
1982 fc_port_t *fcport;
1983
fa2a1ce5 1984 qla2x00_mark_all_devices_lost(ha);
1da177e4
LT		 1985 list_for_each_entry(fcport, &ha->fcports, list) {
1986 if (fcport->port_type != FCT_TARGET)
1987 continue;
1988
fa2a1ce5 1989 qla2x00_update_fcport(ha, fcport);
1da177e4
LT		 1990 }
1991}
1992
1993/*
1994 * qla2x00_update_fcport
1995 * Updates device on list.
1996 *
1997 * Input:
1998 * ha = adapter block pointer.
1999 * fcport = port structure pointer.
2000 *
2001 * Return:
2002 * 0 - Success
2003 * BIT_0 - error
2004 *
2005 * Context:
2006 * Kernel context.
2007 */
2008static void
2009qla2x00_update_fcport(scsi_qla_host_t *ha, fc_port_t *fcport)
2010{
2011 uint16_t index;
2012 unsigned long flags;
2013 srb_t *sp;
2014
2015 fcport->ha = ha;
2016 fcport->login_retry = 0;
2017 fcport->port_login_retry_count = ha->port_down_retry_count *
2018 PORT_RETRY_TIME;
2019 atomic_set(&fcport->port_down_timer, ha->port_down_retry_count *
2020 PORT_RETRY_TIME);
2021 fcport->flags &= ~FCF_LOGIN_NEEDED;
2022
2023 /*
2024 * Check for outstanding cmd on tape Bypass LUN discovery if active
2025 * command on tape.
2026 */
2027 if (fcport->flags & FCF_TAPE_PRESENT) {
2028 spin_lock_irqsave(&ha->hardware_lock, flags);
2029 for (index = 1; index < MAX_OUTSTANDING_COMMANDS; index++) {
bdf79621 2030 fc_port_t *sfcp;
2031
1da177e4 2032 if ((sp = ha->outstanding_cmds[index]) != 0) {
bdf79621 2033 sfcp = sp->fcport;
2034 if (sfcp == fcport) {
1da177e4
LT		 2035 atomic_set(&fcport->state, FCS_ONLINE);
2036 spin_unlock_irqrestore(
2037 &ha->hardware_lock, flags);
2038 return;
2039 }
2040 }
2041 }
2042 spin_unlock_irqrestore(&ha->hardware_lock, flags);
2043 }
2044
1da177e4 2045 if (fcport->port_type == FCT_INITIATOR ||
bdf79621 2046 fcport->port_type == FCT_BROADCAST)
1da177e4 2047 fcport->device_type = TYPE_PROCESSOR;
bdf79621 2048
1da177e4 2049 atomic_set(&fcport->state, FCS_ONLINE);
bdf79621 2050
8482e118 2051 if (ha->flags.init_done)
2052 qla2x00_reg_remote_port(ha, fcport);
1da177e4
LT		 2053}
2054
8482e118 2055void
2056qla2x00_reg_remote_port(scsi_qla_host_t *ha, fc_port_t *fcport)
2057{
2058 struct fc_rport_identifiers rport_ids;
bdf79621 2059 struct fc_rport *rport;
8482e118 2060
2061 if (fcport->rport) {
2062 fc_remote_port_unblock(fcport->rport);
2063 return;
2064 }
2065
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;
77d74143
AV		 2070 rport_ids.roles = FC_RPORT_ROLE_UNKNOWN;
2071 fcport->rport = rport = fc_remote_port_add(ha->host, 0, &rport_ids);
2072 if (!rport) {
2073 qla_printk(KERN_WARNING, ha,
2074 "Unable to allocate fc remote port!\n");
2075 return;
2076 }
2077 rport->dd_data = fcport;
2078
8482e118 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;
77d74143 2084 fc_remote_port_rolechg(rport, rport_ids.roles);
1da177e4 2085
cc4731f5
AV		 2086 if (rport->scsi_target_id != -1 &&
2087 rport->scsi_target_id < ha->host->max_id)
bdf79621 2088 fcport->os_target_id = rport->scsi_target_id;
1da177e4
LT		 2089}
2090
1da177e4
LT		 2091/*
2092 * qla2x00_configure_fabric
2093 * Setup SNS devices with loop ID's.
2094 *
2095 * Input:
2096 * ha = adapter block pointer.
2097 *
2098 * Returns:
2099 * 0 = success.
2100 * BIT_0 = error
2101 */
2102static int
2103qla2x00_configure_fabric(scsi_qla_host_t *ha)
2104{
2105 int rval, rval2;
2106 fc_port_t *fcport, *fcptemp;
2107 uint16_t next_loopid;
2108 uint16_t mb[MAILBOX_REGISTER_COUNT];
0107109e 2109 uint16_t loop_id;
1da177e4
LT		 2110 LIST_HEAD(new_fcports);
2111
2112 /* If FL port exists, then SNS is present */
0107109e
AV		 2113 if (IS_QLA24XX(ha) || IS_QLA25XX(ha))
2114 loop_id = NPH_F_PORT;
2115 else
2116 loop_id = SNS_FL_PORT;
2117 rval = qla2x00_get_port_name(ha, loop_id, NULL, 0);
1da177e4
LT		 2118 if (rval != QLA_SUCCESS) {
2119 DEBUG2(printk("scsi(%ld): MBC_GET_PORT_NAME Failed, No FL "
2120 "Port\n", ha->host_no));
2121
2122 ha->device_flags &= ~SWITCH_FOUND;
2123 return (QLA_SUCCESS);
2124 }
2125
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);
2131 }
2132 do {
2133 /* Ensure we are logged into the SNS. */
0107109e
AV		 2134 if (IS_QLA24XX(ha) || IS_QLA25XX(ha))
2135 loop_id = NPH_SNS;
2136 else
2137 loop_id = SIMPLE_NAME_SERVER;
2138 ha->isp_ops.fabric_login(ha, loop_id, 0xff, 0xff,
abbd8870 2139 0xfc, mb, BIT_1 | BIT_0);
1da177e4
LT		 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 "
0107109e 2143 "mb[2]=%x mb[6]=%x mb[7]=%x\n", loop_id,
1da177e4
LT		 2144 mb[0], mb[1], mb[2], mb[6], mb[7]));
2145 return (QLA_SUCCESS);
2146 }
2147
2148 if (test_and_clear_bit(REGISTER_FC4_NEEDED, &ha->dpc_flags)) {
2149 if (qla2x00_rft_id(ha)) {
2150 /* EMPTY */
2151 DEBUG2(printk("scsi(%ld): Register FC-4 "
2152 "TYPE failed.\n", ha->host_no));
2153 }
2154 if (qla2x00_rff_id(ha)) {
2155 /* EMPTY */
2156 DEBUG2(printk("scsi(%ld): Register FC-4 "
2157 "Features failed.\n", ha->host_no));
2158 }
2159 if (qla2x00_rnn_id(ha)) {
2160 /* EMPTY */
2161 DEBUG2(printk("scsi(%ld): Register Node Name "
2162 "failed.\n", ha->host_no));
2163 } else if (qla2x00_rsnn_nn(ha)) {
2164 /* EMPTY */
2165 DEBUG2(printk("scsi(%ld): Register Symbolic "
2166 "Node Name failed.\n", ha->host_no));
2167 }
2168 }
2169
2170 rval = qla2x00_find_all_fabric_devs(ha, &new_fcports);
2171 if (rval != QLA_SUCCESS)
2172 break;
2173
2174 /*
2175 * Logout all previous fabric devices marked lost, except
2176 * tape devices.
2177 */
2178 list_for_each_entry(fcport, &ha->fcports, list) {
2179 if (test_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags))
2180 break;
2181
2182 if ((fcport->flags & FCF_FABRIC_DEVICE) == 0)
2183 continue;
2184
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) {
2192
abbd8870 2193 ha->isp_ops.fabric_logout(ha,
1c7c6357
AV		 2194 fcport->loop_id,
2195 fcport->d_id.b.domain,
2196 fcport->d_id.b.area,
2197 fcport->d_id.b.al_pa);
1da177e4
LT		 2198 fcport->loop_id = FC_NO_LOOP_ID;
2199 }
2200 }
2201 }
2202
2203 /* Starting free loop ID. */
2204 next_loopid = ha->min_external_loopid;
2205
2206 /*
2207 * Scan through our port list and login entries that need to be
2208 * logged in.
2209 */
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))
2213 break;
2214
2215 if ((fcport->flags & FCF_FABRIC_DEVICE) == 0 ||
2216 (fcport->flags & FCF_LOGIN_NEEDED) == 0)
2217 continue;
2218
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 */
2224 break;
2225 }
2226 }
1da177e4
LT		 2227 /* Login and update database */
2228 qla2x00_fabric_dev_login(ha, fcport, &next_loopid);
2229 }
2230
2231 /* Exit if out of loop IDs. */
2232 if (rval != QLA_SUCCESS) {
2233 break;
2234 }
2235
2236 /*
2237 * Login and add the new devices to our port list.
2238 */
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))
2242 break;
2243
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 */
2249 break;
2250 }
2251
1da177e4
LT		 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);
bdf79621 2255
2256 /* Login and update database */
2257 qla2x00_fabric_dev_login(ha, fcport, &next_loopid);
1da177e4
LT		 2258 }
2259 } while (0);
2260
2261 /* Free all new device structures not processed. */
2262 list_for_each_entry_safe(fcport, fcptemp, &new_fcports, list) {
2263 list_del(&fcport->list);
2264 kfree(fcport);
2265 }
2266
2267 if (rval) {
2268 DEBUG2(printk("scsi(%ld): Configure fabric error exit: "
2269 "rval=%d\n", ha->host_no, rval));
2270 }
2271
2272 return (rval);
2273}
2274
2275
2276/*
2277 * qla2x00_find_all_fabric_devs
2278 *
2279 * Input:
2280 * ha = adapter block pointer.
2281 * dev = database device entry pointer.
2282 *
2283 * Returns:
2284 * 0 = success.
2285 *
2286 * Context:
2287 * Kernel context.
2288 */
2289static int
2290qla2x00_find_all_fabric_devs(scsi_qla_host_t *ha, struct list_head *new_fcports)
2291{
2292 int rval;
2293 uint16_t loop_id;
2294 fc_port_t *fcport, *new_fcport, *fcptemp;
2295 int found;
2296
2297 sw_info_t *swl;
2298 int swl_idx;
2299 int first_dev, last_dev;
2300 port_id_t wrap, nxt_d_id;
2301
2302 rval = QLA_SUCCESS;
2303
2304 /* Try GID_PT to get device list, else GAN. */
2305 swl = kmalloc(sizeof(sw_info_t) * MAX_FIBRE_DEVICES, GFP_ATOMIC);
2306 if (swl == NULL) {
2307 /*EMPTY*/
2308 DEBUG2(printk("scsi(%ld): GID_PT allocations failed, fallback "
2309 "on GA_NXT\n", ha->host_no));
2310 } else {
2311 memset(swl, 0, sizeof(sw_info_t) * MAX_FIBRE_DEVICES);
2312 if (qla2x00_gid_pt(ha, swl) != QLA_SUCCESS) {
2313 kfree(swl);
2314 swl = NULL;
2315 } else if (qla2x00_gpn_id(ha, swl) != QLA_SUCCESS) {
2316 kfree(swl);
2317 swl = NULL;
2318 } else if (qla2x00_gnn_id(ha, swl) != QLA_SUCCESS) {
2319 kfree(swl);
2320 swl = NULL;
2321 }
2322 }
2323 swl_idx = 0;
2324
2325 /* Allocate temporary fcport for any new fcports discovered. */
2326 new_fcport = qla2x00_alloc_fcport(ha, GFP_KERNEL);
2327 if (new_fcport == NULL) {
2328 if (swl)
2329 kfree(swl);
2330 return (QLA_MEMORY_ALLOC_FAILED);
2331 }
2332 new_fcport->flags |= (FCF_FABRIC_DEVICE | FCF_LOGIN_NEEDED);
2333
2334 /* Set start port ID scan at adapter ID. */
2335 first_dev = 1;
2336 last_dev = 0;
2337
2338 /* Starting free loop ID. */
2339 loop_id = ha->min_external_loopid;
1da177e4 2340 for (; loop_id <= ha->last_loop_id; loop_id++) {
3d71644c 2341 if (qla2x00_is_reserved_id(ha, loop_id))
1da177e4
LT		 2342 continue;
2343
2344 if (atomic_read(&ha->loop_down_timer) ||
2345 test_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags))
2346 break;
2347
2348 if (swl != NULL) {
2349 if (last_dev) {
2350 wrap.b24 = new_fcport->d_id.b24;
2351 } else {
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);
2357
2358 if (swl[swl_idx].d_id.b.rsvd_1 != 0) {
2359 last_dev = 1;
2360 }
2361 swl_idx++;
2362 }
2363 } else {
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 "
2369 "result...\n");
2370 list_for_each_entry_safe(fcport, fcptemp,
2371 new_fcports, list) {
2372 list_del(&fcport->list);
2373 kfree(fcport);
2374 }
2375 rval = QLA_SUCCESS;
2376 break;
2377 }
2378 }
2379
2380 /* If wrap on switch device list, exit. */
2381 if (first_dev) {
2382 wrap.b24 = new_fcport->d_id.b24;
2383 first_dev = 0;
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));
2388 break;
2389 }
2390
2391 /* Bypass if host adapter. */
2392 if (new_fcport->d_id.b24 == ha->d_id.b24)
2393 continue;
2394
2395 /* Bypass reserved domain fields. */
2396 if ((new_fcport->d_id.b.domain & 0xf0) == 0xf0)
2397 continue;
2398
2399 /* Locate matching device in database. */
2400 found = 0;
2401 list_for_each_entry(fcport, &ha->fcports, list) {
2402 if (memcmp(new_fcport->port_name, fcport->port_name,
2403 WWN_SIZE))
2404 continue;
2405
2406 found++;
2407
2408 /*
2409 * If address the same and state FCS_ONLINE, nothing
2410 * changed.
2411 */
2412 if (fcport->d_id.b24 == new_fcport->d_id.b24 &&
2413 atomic_read(&fcport->state) == FCS_ONLINE) {
2414 break;
2415 }
2416
2417 /*
2418 * If device was not a fabric device before.
2419 */
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 |
2424 FCF_LOGIN_NEEDED);
2425 fcport->flags &= ~FCF_PERSISTENT_BOUND;
2426 break;
2427 }
2428
2429 /*
2430 * Port ID changed or device was marked to be updated;
2431 * Log it out if still logged in and mark it for
2432 * relogin later.
2433 */
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) {
1c7c6357
AV		 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);
1da177e4
LT		 2443 fcport->loop_id = FC_NO_LOOP_ID;
2444 }
2445
2446 break;
2447 }
2448
2449 if (found)
2450 continue;
2451
2452 /* If device was not in our fcports list, then add it. */
2453 list_add_tail(&new_fcport->list, new_fcports);
2454
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) {
2459 if (swl)
2460 kfree(swl);
2461 return (QLA_MEMORY_ALLOC_FAILED);
2462 }
2463 new_fcport->flags |= (FCF_FABRIC_DEVICE | FCF_LOGIN_NEEDED);
2464 new_fcport->d_id.b24 = nxt_d_id.b24;
2465 }
2466
2467 if (swl)
2468 kfree(swl);
2469
2470 if (new_fcport)
2471 kfree(new_fcport);
2472
2473 if (!list_empty(new_fcports))
2474 ha->device_flags |= DFLG_FABRIC_DEVICES;
2475
2476 return (rval);
2477}
2478
2479/*
2480 * qla2x00_find_new_loop_id
2481 * Scan through our port list and find a new usable loop ID.
2482 *
2483 * Input:
2484 * ha: adapter state pointer.
2485 * dev: port structure pointer.
2486 *
2487 * Returns:
2488 * qla2x00 local function return status code.
2489 *
2490 * Context:
2491 * Kernel context.
2492 */
2493int
2494qla2x00_find_new_loop_id(scsi_qla_host_t *ha, fc_port_t *dev)
2495{
2496 int rval;
2497 int found;
2498 fc_port_t *fcport;
2499 uint16_t first_loop_id;
2500
2501 rval = QLA_SUCCESS;
2502
2503 /* Save starting loop ID. */
2504 first_loop_id = dev->loop_id;
2505
2506 for (;;) {
2507 /* Skip loop ID if already used by adapter. */
2508 if (dev->loop_id == ha->loop_id) {
2509 dev->loop_id++;
2510 }
2511
2512 /* Skip reserved loop IDs. */
3d71644c 2513 while (qla2x00_is_reserved_id(ha, dev->loop_id)) {
1da177e4
LT		 2514 dev->loop_id++;
2515 }
2516
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;
2521 }
2522
2523 /* Check for loop ID being already in use. */
2524 found = 0;
2525 fcport = NULL;
2526 list_for_each_entry(fcport, &ha->fcports, list) {
2527 if (fcport->loop_id == dev->loop_id && fcport != dev) {
2528 /* ID possibly in use */
2529 found++;
2530 break;
2531 }
2532 }
2533
2534 /* If not in use then it is free to use. */
2535 if (!found) {
2536 break;
2537 }
2538
2539 /* ID in use. Try next value. */
2540 dev->loop_id++;
2541
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;
2546 break;
2547 }
2548 }
2549
2550 return (rval);
2551}
2552
2553/*
2554 * qla2x00_device_resync
2555 * Marks devices in the database that needs resynchronization.
2556 *
2557 * Input:
2558 * ha = adapter block pointer.
2559 *
2560 * Context:
2561 * Kernel context.
2562 */
2563static int
fa2a1ce5 2564qla2x00_device_resync(scsi_qla_host_t *ha)
1da177e4
LT		 2565{
2566 int rval;
2567 int rval2;
2568 uint32_t mask;
2569 fc_port_t *fcport;
2570 uint32_t rscn_entry;
2571 uint8_t rscn_out_iter;
2572 uint8_t format;
2573 port_id_t d_id;
2574
2575 rval = QLA_RSCNS_HANDLED;
2576
2577 while (ha->rscn_out_ptr != ha->rscn_in_ptr ||
2578 ha->flags.rscn_queue_overflow) {
2579
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));
2585
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));
2590
2591 ha->rscn_out_ptr++;
2592 if (ha->rscn_out_ptr == MAX_RSCN_COUNT)
2593 ha->rscn_out_ptr = 0;
2594
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) {
2601
2602 if (rscn_entry != ha->rscn_queue[rscn_out_iter])
2603 break;
2604
2605 DEBUG(printk("scsi(%ld): Skipping duplicate RSCN queue "
2606 "entry found at [%d].\n", ha->host_no,
2607 rscn_out_iter));
2608
2609 ha->rscn_out_ptr = rscn_out_iter;
2610 }
2611
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));
2616
2617 format = 3;
2618 ha->flags.rscn_queue_overflow = 0;
2619 }
2620
2621 switch (format) {
2622 case 0:
2623 if (!IS_QLA2100(ha) && !IS_QLA2200(ha) &&
2624 !IS_QLA6312(ha) && !IS_QLA6322(ha) &&
0107109e 2625 !IS_QLA24XX(ha) && !IS_QLA25XX(ha) &&
1da177e4
LT		 2626 ha->flags.init_done) {
2627 /* Handle port RSCN via asyncronous IOCBs */
2628 rval2 = qla2x00_handle_port_rscn(ha, rscn_entry,
2629 NULL, 0);
2630 if (rval2 == QLA_SUCCESS)
2631 continue;
2632 }
2633 mask = 0xffffff;
2634 break;
2635 case 1:
2636 mask = 0xffff00;
2637 break;
2638 case 2:
2639 mask = 0xff0000;
2640 break;
2641 default:
2642 mask = 0x0;
2643 d_id.b24 = 0;
2644 ha->rscn_out_ptr = ha->rscn_in_ptr;
2645 break;
2646 }
2647
2648 rval = QLA_SUCCESS;
2649
2650 /* Abort any outstanding IO descriptors. */
2651 if (!IS_QLA2100(ha) && !IS_QLA2200(ha))
2652 qla2x00_cancel_io_descriptors(ha);
2653
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)
2658 continue;
2659
2660 if (atomic_read(&fcport->state) == FCS_ONLINE) {
2661 if (format != 3 ||
2662 fcport->port_type != FCT_INITIATOR) {
8482e118 2663 qla2x00_mark_device_lost(ha, fcport, 0);
1da177e4
LT		 2664 }
2665 }
2666 fcport->flags &= ~FCF_FARP_DONE;
2667 }
2668 }
2669 return (rval);
2670}
2671
2672/*
2673 * qla2x00_fabric_dev_login
2674 * Login fabric target device and update FC port database.
2675 *
2676 * Input:
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.
2681 *
2682 * Returns:
2683 * qla2x00 local function return status code.
2684 *
2685 * Context:
2686 * Kernel context.
2687 */
2688static int
2689qla2x00_fabric_dev_login(scsi_qla_host_t *ha, fc_port_t *fcport,
2690 uint16_t *next_loopid)
2691{
2692 int rval;
2693 int retry;
0107109e 2694 uint8_t opts;
1da177e4
LT		 2695
2696 rval = QLA_SUCCESS;
2697 retry = 0;
2698
2699 rval = qla2x00_fabric_login(ha, fcport, next_loopid);
2700 if (rval == QLA_SUCCESS) {
0107109e
AV		 2701 /* Send an ADISC to tape devices.*/
2702 opts = 0;
2703 if (fcport->flags & FCF_TAPE_PRESENT)
2704 opts |= BIT_1;
2705 rval = qla2x00_get_port_database(ha, fcport, opts);
1da177e4 2706 if (rval != QLA_SUCCESS) {
1c7c6357
AV		 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);
0107109e
AV		 2710 qla2x00_mark_device_lost(ha, fcport, 1);
2711
1da177e4
LT		 2712 } else {
2713 qla2x00_update_fcport(ha, fcport);
2714 }
2715 }
2716
2717 return (rval);
2718}
2719
2720/*
2721 * qla2x00_fabric_login
2722 * Issue fabric login command.
2723 *
2724 * Input:
2725 * ha = adapter block pointer.
2726 * device = pointer to FC device type structure.
2727 *
2728 * Returns:
2729 * 0 - Login successfully
2730 * 1 - Login failed
2731 * 2 - Initiator device
2732 * 3 - Fatal error
2733 */
2734int
2735qla2x00_fabric_login(scsi_qla_host_t *ha, fc_port_t *fcport,
2736 uint16_t *next_loopid)
2737{
2738 int rval;
2739 int retry;
2740 uint16_t tmp_loopid;
2741 uint16_t mb[MAILBOX_REGISTER_COUNT];
2742
2743 retry = 0;
2744 tmp_loopid = 0;
2745
2746 for (;;) {
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));
2751
2752 /* Login fcport on switch. */
abbd8870 2753 ha->isp_ops.fabric_login(ha, fcport->loop_id,
1da177e4
LT		 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) {
2757 /*
2758 * Device has another loop ID. The firmware team
0107109e
AV		 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
2762 * the next login.
1da177e4
LT		 2763 */
2764 retry++;
2765 tmp_loopid = fcport->loop_id;
2766 fcport->loop_id = mb[1];
2767
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));
2772
2773 } else if (mb[0] == MBS_COMMAND_COMPLETE) {
2774 /*
2775 * Login succeeded.
2776 */
2777 if (retry) {
2778 /* A retry occurred before. */
2779 *next_loopid = tmp_loopid;
2780 } else {
2781 /*
2782 * No retry occurred before. Just increment the
2783 * ID value for next login.
2784 */
2785 *next_loopid = (fcport->loop_id + 1);
2786 }
2787
2788 if (mb[1] & BIT_0) {
2789 fcport->port_type = FCT_INITIATOR;
2790 } else {
2791 fcport->port_type = FCT_TARGET;
2792 if (mb[1] & BIT_1) {
2793 fcport->flags |= FCF_TAPE_PRESENT;
2794 }
2795 }
2796
2797 rval = QLA_SUCCESS;
2798 break;
2799 } else if (mb[0] == MBS_LOOP_ID_USED) {
2800 /*
2801 * Loop ID already used, try next loop ID.
2802 */
2803 fcport->loop_id++;
2804 rval = qla2x00_find_new_loop_id(ha, fcport);
2805 if (rval != QLA_SUCCESS) {
2806 /* Ran out of loop IDs to use */
2807 break;
2808 }
2809 } else if (mb[0] == MBS_COMMAND_ERROR) {
2810 /*
2811 * Firmware possibly timed out during login. If NO
2812 * retries are left to do then the device is declared
2813 * dead.
2814 */
2815 *next_loopid = fcport->loop_id;
1c7c6357
AV		 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);
1da177e4
LT		 2819 qla2x00_mark_device_lost(ha, fcport, 1);
2820
2821 rval = 1;
2822 break;
2823 } else {
2824 /*
2825 * unrecoverable / not handled error
2826 */
2827 DEBUG2(printk("%s(%ld): failed=%x port_id=%02x%02x%02x "
fa2a1ce5
AV		 2828 "loop_id=%x jiffies=%lx.\n",
2829 __func__, ha->host_no, mb[0],
1da177e4
LT		 2830 fcport->d_id.b.domain, fcport->d_id.b.area,
2831 fcport->d_id.b.al_pa, fcport->loop_id, jiffies));
2832
2833 *next_loopid = fcport->loop_id;
1c7c6357
AV		 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);
1da177e4
LT		 2837 fcport->loop_id = FC_NO_LOOP_ID;
2838 atomic_set(&fcport->state, FCS_DEVICE_DEAD);
2839
2840 rval = 3;
2841 break;
2842 }
2843 }
2844
2845 return (rval);
2846}
2847
2848/*
2849 * qla2x00_local_device_login
2850 * Issue local device login command.
2851 *
2852 * Input:
2853 * ha = adapter block pointer.
2854 * loop_id = loop id of device to login to.
2855 *
2856 * Returns (Where's the #define!!!!):
2857 * 0 - Login successfully
2858 * 1 - Login failed
2859 * 3 - Fatal error
2860 */
2861int
2862qla2x00_local_device_login(scsi_qla_host_t *ha, uint16_t loop_id)
2863{
2864 int rval;
2865 uint16_t mb[MAILBOX_REGISTER_COUNT];
2866
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)
2872 rval = 1;
2873 else if (mb[0] == MBS_COMMAND_PARAMETER_ERROR)
2874 /* device not in PCB table */
2875 rval = 3;
2876 }
2877
2878 return (rval);
2879}
2880
2881/*
2882 * qla2x00_loop_resync
2883 * Resync with fibre channel devices.
2884 *
2885 * Input:
2886 * ha = adapter block pointer.
2887 *
2888 * Returns:
2889 * 0 = success
2890 */
2891int
fa2a1ce5 2892qla2x00_loop_resync(scsi_qla_host_t *ha)
1da177e4
LT		 2893{
2894 int rval;
2895 uint32_t wait_time;
2896
2897 rval = QLA_SUCCESS;
2898
2899 atomic_set(&ha->loop_state, LOOP_UPDATE);
1da177e4
LT		 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. */
2904 wait_time = 256;
2905 do {
1da177e4
LT		 2906 atomic_set(&ha->loop_state, LOOP_UPDATE);
2907
0107109e
AV		 2908 /* Issue a marker after FW becomes ready. */
2909 qla2x00_marker(ha, 0, 0, MK_SYNC_ALL);
2910 ha->marker_needed = 0;
1da177e4
LT		 2911
2912 /* Remap devices on Loop. */
2913 clear_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags);
2914
2915 qla2x00_configure_loop(ha);
2916 wait_time--;
2917 } while (!atomic_read(&ha->loop_down_timer) &&
2918 !(test_bit(ISP_ABORT_NEEDED, &ha->dpc_flags)) &&
2919 wait_time &&
2920 (test_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags)));
2921 }
1da177e4
LT		 2922 }
2923
2924 if (test_bit(ISP_ABORT_NEEDED, &ha->dpc_flags)) {
2925 return (QLA_FUNCTION_FAILED);
2926 }
2927
2928 if (rval) {
2929 DEBUG2_3(printk("%s(): **** FAILED ****\n", __func__));
2930 }
2931
2932 return (rval);
2933}
2934
1da177e4
LT		 2935void
2936qla2x00_rescan_fcports(scsi_qla_host_t *ha)
2937{
2938 int rescan_done;
2939 fc_port_t *fcport;
2940
2941 rescan_done = 0;
2942 list_for_each_entry(fcport, &ha->fcports, list) {
2943 if ((fcport->flags & FCF_RESCAN_NEEDED) == 0)
2944 continue;
2945
2946 qla2x00_update_fcport(ha, fcport);
2947 fcport->flags &= ~FCF_RESCAN_NEEDED;
2948
2949 rescan_done = 1;
2950 }
fa2a1ce5 2951 qla2x00_probe_for_all_luns(ha);
1da177e4
LT		 2952}
2953
2954/*
2955* qla2x00_abort_isp
2956* Resets ISP and aborts all outstanding commands.
2957*
2958* Input:
2959* ha = adapter block pointer.
2960*
2961* Returns:
2962* 0 = success
2963*/
2964int
2965qla2x00_abort_isp(scsi_qla_host_t *ha)
2966{
2967 unsigned long flags = 0;
2968 uint16_t cnt;
2969 srb_t *sp;
2970 uint8_t status = 0;
2971
2972 if (ha->flags.online) {
2973 ha->flags.online = 0;
2974 clear_bit(ISP_ABORT_NEEDED, &ha->dpc_flags);
1da177e4
LT		 2975
2976 qla_printk(KERN_INFO, ha,
2977 "Performing ISP error recovery - ha= %p.\n", ha);
abbd8870 2978 ha->isp_ops.reset_chip(ha);
1da177e4
LT		 2979
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);
2984 } else {
2985 if (!atomic_read(&ha->loop_down_timer))
2986 atomic_set(&ha->loop_down_timer,
2987 LOOP_DOWN_TIME);
2988 }
2989
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];
2994 if (sp) {
2995 ha->outstanding_cmds[cnt] = NULL;
1da177e4 2996 sp->flags = 0;
f4f051eb 2997 sp->cmd->result = DID_RESET << 16;
1da177e4 2998 sp->cmd->host_scribble = (unsigned char *)NULL;
f4f051eb 2999 qla2x00_sp_compl(ha, sp);
1da177e4
LT		 3000 }
3001 }
3002 spin_unlock_irqrestore(&ha->hardware_lock, flags);
3003
abbd8870 3004 ha->isp_ops.nvram_config(ha);
1da177e4
LT		 3005
3006 if (!qla2x00_restart_isp(ha)) {
3007 clear_bit(RESET_MARKER_NEEDED, &ha->dpc_flags);
3008
3009 if (!atomic_read(&ha->loop_down_timer)) {
3010 /*
3011 * Issue marker command only when we are going
3012 * to start the I/O .
3013 */
3014 ha->marker_needed = 1;
3015 }
3016
3017 ha->flags.online = 1;
3018
abbd8870 3019 ha->isp_ops.enable_intrs(ha);
1da177e4 3020
fa2a1ce5 3021 ha->isp_abort_cnt = 0;
1da177e4
LT		 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");
fa2a1ce5 3030 /*
1da177e4
LT		 3031 * The next call disables the board
3032 * completely.
3033 */
abbd8870 3034 ha->isp_ops.reset_adapter(ha);
1da177e4
LT		 3035 ha->flags.online = 0;
3036 clear_bit(ISP_ABORT_RETRY,
3037 &ha->dpc_flags);
3038 status = 0;
3039 } else { /* schedule another ISP abort */
3040 ha->isp_abort_cnt--;
3041 DEBUG(printk("qla%ld: ISP abort - "
0107109e 3042 "retry remaining %d\n",
1da177e4
LT		 3043 ha->host_no, ha->isp_abort_cnt);)
3044 status = 1;
3045 }
3046 } else {
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);
3052 status = 1;
3053 }
3054 }
fa2a1ce5 3055
1da177e4
LT		 3056 }
3057
3058 if (status) {
3059 qla_printk(KERN_INFO, ha,
3060 "qla2x00_abort_isp: **** FAILED ****\n");
3061 } else {
3062 DEBUG(printk(KERN_INFO
3063 "qla2x00_abort_isp(%ld): exiting.\n",
3064 ha->host_no);)
3065 }
3066
3067 return(status);
3068}
3069
3070/*
3071* qla2x00_restart_isp
3072* restarts the ISP after a reset
3073*
3074* Input:
3075* ha = adapter block pointer.
3076*
3077* Returns:
3078* 0 = success
3079*/
3080static int
3081qla2x00_restart_isp(scsi_qla_host_t *ha)
3082{
3083 uint8_t status = 0;
3d71644c 3084 struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
1da177e4
LT		 3085 unsigned long flags = 0;
3086 uint32_t wait_time;
3087
3088 /* If firmware needs to be loaded */
3089 if (qla2x00_isp_firmware(ha)) {
3090 ha->flags.online = 0;
abbd8870 3091 if (!(status = ha->isp_ops.chip_diag(ha))) {
1da177e4
LT		 3092 if (IS_QLA2100(ha) || IS_QLA2200(ha)) {
3093 status = qla2x00_setup_chip(ha);
3094 goto done;
3095 }
3096
1da177e4
LT		 3097 spin_lock_irqsave(&ha->hardware_lock, flags);
3098
0107109e
AV		 3099 if (!IS_QLA24XX(ha) && !IS_QLA25XX(ha)) {
3100 /*
3101 * Disable SRAM, Instruction RAM and GP RAM
3102 * parity.
3103 */
3104 WRT_REG_WORD(&reg->hccr,
3105 (HCCR_ENABLE_PARITY + 0x0));
3106 RD_REG_WORD(&reg->hccr);
3107 }
1da177e4
LT		 3108
3109 spin_unlock_irqrestore(&ha->hardware_lock, flags);
fa2a1ce5 3110
1da177e4
LT		 3111 status = qla2x00_setup_chip(ha);
3112
3113 spin_lock_irqsave(&ha->hardware_lock, flags);
fa2a1ce5 3114
0107109e
AV		 3115 if (!IS_QLA24XX(ha) && !IS_QLA25XX(ha)) {
3116 /* Enable proper parity */
3117 if (IS_QLA2300(ha))
3118 /* SRAM parity */
3119 WRT_REG_WORD(&reg->hccr,
3120 (HCCR_ENABLE_PARITY + 0x1));
3121 else
3122 /*
3123 * SRAM, Instruction RAM and GP RAM
3124 * parity.
3125 */
3126 WRT_REG_WORD(&reg->hccr,
3127 (HCCR_ENABLE_PARITY + 0x7));
3128 RD_REG_WORD(&reg->hccr);
3129 }
1da177e4
LT		 3130
3131 spin_unlock_irqrestore(&ha->hardware_lock, flags);
3132 }
3133 }
3134
3135 done:
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, "
0107109e
AV		 3140 "status = %d\n", __func__, status);)
3141
3142 /* Issue a marker after FW becomes ready. */
3143 qla2x00_marker(ha, 0, 0, MK_SYNC_ALL);
3144
1da177e4
LT		 3145 ha->flags.online = 1;
3146 /* Wait at most MAX_TARGET RSCNs for a stable link. */
3147 wait_time = 256;
3148 do {
3149 clear_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags);
3150 qla2x00_configure_loop(ha);
3151 wait_time--;
3152 } while (!atomic_read(&ha->loop_down_timer) &&
3153 !(test_bit(ISP_ABORT_NEEDED, &ha->dpc_flags)) &&
3154 wait_time &&
3155 (test_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags)));
3156 }
3157
3158 /* if no cable then assume it's good */
fa2a1ce5 3159 if ((ha->device_flags & DFLG_NO_CABLE))
1da177e4
LT		 3160 status = 0;
3161
3162 DEBUG(printk("%s(): Configure loop done, status = 0x%x\n",
3163 __func__,
3164 status);)
3165 }
3166 return (status);
3167}
3168
3169/*
3170* qla2x00_reset_adapter
3171* Reset adapter.
3172*
3173* Input:
3174* ha = adapter block pointer.
3175*/
abbd8870 3176void
1da177e4
LT		 3177qla2x00_reset_adapter(scsi_qla_host_t *ha)
3178{
3179 unsigned long flags = 0;
3d71644c 3180 struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
1da177e4
LT		 3181
3182 ha->flags.online = 0;
abbd8870 3183 ha->isp_ops.disable_intrs(ha);
1da177e4 3184
1da177e4
LT		 3185 spin_lock_irqsave(&ha->hardware_lock, flags);
3186 WRT_REG_WORD(&reg->hccr, HCCR_RESET_RISC);
3187 RD_REG_WORD(&reg->hccr); /* PCI Posting. */
3188 WRT_REG_WORD(&reg->hccr, HCCR_RELEASE_RISC);
3189 RD_REG_WORD(&reg->hccr); /* PCI Posting. */
3190 spin_unlock_irqrestore(&ha->hardware_lock, flags);
3191}
0107109e
AV		 3192
3193void
3194qla24xx_reset_adapter(scsi_qla_host_t *ha)
3195{
3196 unsigned long flags = 0;
3197 struct device_reg_24xx __iomem *reg = &ha->iobase->isp24;
3198
3199 ha->flags.online = 0;
3200 ha->isp_ops.disable_intrs(ha);
3201
3202 spin_lock_irqsave(&ha->hardware_lock, flags);
3203 WRT_REG_DWORD(&reg->hccr, HCCRX_SET_RISC_RESET);
3204 RD_REG_DWORD(&reg->hccr);
3205 WRT_REG_DWORD(&reg->hccr, HCCRX_REL_RISC_PAUSE);
3206 RD_REG_DWORD(&reg->hccr);
3207 spin_unlock_irqrestore(&ha->hardware_lock, flags);
3208}
3209
3210int
3211qla24xx_nvram_config(scsi_qla_host_t *ha)
3212{
3213 int rval;
3214 struct init_cb_24xx *icb;
3215 struct nvram_24xx *nv;
3216 uint32_t *dptr;
3217 uint8_t *dptr1, *dptr2;
3218 uint32_t chksum;
3219 uint16_t cnt;
3220
3221 rval = QLA_SUCCESS;
3222 icb = (struct init_cb_24xx *)ha->init_cb;
3223 nv = (struct nvram_24xx *)ha->request_ring;
3224
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;
3230
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,
3234 ha->nvram_size);
3235 for (cnt = 0, chksum = 0; cnt < ha->nvram_size >> 2; cnt++)
3236 chksum += le32_to_cpu(*dptr++);
3237
3238 DEBUG5(printk("scsi(%ld): Contents of NVRAM\n", ha->host_no));
3239 DEBUG5(qla2x00_dump_buffer((uint8_t *)ha->request_ring,
3240 ha->nvram_size));
3241
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");
3252
3253 /*
3254 * Set default initialization control block.
3255 */
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);
3294
3295 rval = 1;
3296 }
3297
3298 /* Reset Initialization control block */
3299 memset(icb, 0, sizeof(struct init_cb_24xx));
3300
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;
3305 while (cnt--)
3306 *dptr1++ = *dptr2++;
3307
3308 icb->login_retry_count = nv->login_retry_count;
3309 icb->link_down_timeout = nv->link_down_timeout;
3310
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;
3316 while (cnt--)
3317 *dptr1++ = *dptr2++;
3318
3319 /*
3320 * Setup driver NVRAM options.
3321 */
3322 if (memcmp(nv->model_name, BINZERO, sizeof(nv->model_name)) != 0) {
3323 char *st, *en;
3324 uint16_t index;
3325
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;
3330 while (en > st) {
3331 if (*en != 0x20 && *en != 0x00)
3332 break;
3333 *en-- = '\0';
3334 }
3335
3336 index = (ha->pdev->subsystem_device & 0xff);
3337 if (index < QLA_MODEL_NAMES)
3338 ha->model_desc = qla2x00_model_desc[index];
3339 } else
3340 strcpy(ha->model_number, "QLA2462");
3341
3342 /* Prepare nodename */
3343 if ((icb->firmware_options_1 & BIT_14) == 0) {
3344 /*
3345 * Firmware will apply the following mask if the nodename was
3346 * not provided.
3347 */
3348 memcpy(icb->node_name, icb->port_name, WWN_SIZE);
3349 icb->node_name[0] &= 0xF0;
3350 }
3351
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;
3358
3359 ha->operating_mode =
3360 (icb->firmware_options_2 & (BIT_6 | BIT_5 | BIT_4)) >> 4;
3361
3362 memcpy(ha->fw_seriallink_options24, nv->seriallink_options,
3363 sizeof(ha->fw_seriallink_options24));
3364
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;
3371
3372 ha->retry_count = le16_to_cpu(nv->login_retry_count);
3373
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);
3381
3382 /* Set minimum RATOV to 200 tenths of a second. */
3383 ha->r_a_tov = 200;
3384
3385 ha->loop_reset_delay = nv->reset_delay;
3386
3387 /* Link Down Timeout = 0:
3388 *
3389 * When Port Down timer expires we will start returning
3390 * I/O's to OS with "DID_NO_CONNECT".
3391 *
3392 * Link Down Timeout != 0:
3393 *
3394 * The driver waits for the link to come up after link down
3395 * before returning I/Os to OS with "DID_NO_CONNECT".
3396 */
3397 if (le16_to_cpu(nv->link_down_timeout) == 0) {
3398 ha->loop_down_abort_time =
3399 (LOOP_DOWN_TIME - LOOP_DOWN_TIMEOUT);
3400 } else {
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);
3404 }
3405
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;
3410
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;
3421
3422 if (rval) {
3423 DEBUG2_3(printk(KERN_WARNING
3424 "scsi(%ld): NVRAM configuration failed!\n", ha->host_no));
3425 }
3426 return (rval);
3427}
3428
3429int
3430qla2x00_load_risc(scsi_qla_host_t *ha, uint32_t *srisc_addr)
3431{
3432 int rval;
3433 uint16_t cnt;
3434 uint16_t *risc_code;
3435 unsigned long risc_address;
3436 unsigned long risc_code_size;
3437 int num;
3438 int i;
3439 uint16_t *req_ring;
3440 struct qla_fw_info *fw_iter;
3441
3442 rval = QLA_SUCCESS;
3443
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;
3450
3451 if (fw_iter->addressing == FW_INFO_ADDR_NORMAL) {
3452 risc_address = *fw_iter->fwstart;
3453 } else {
3454 /* Extended address */
3455 risc_address = *fw_iter->lfwstart;
3456 }
3457
3458 num = 0;
3459 rval = 0;
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;
3464
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));
3468
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]);
3472
3473 if (fw_iter->addressing == FW_INFO_ADDR_NORMAL) {
3474 rval = qla2x00_load_ram(ha, ha->request_dma,
3475 risc_address, cnt);
3476 } else {
3477 rval = qla2x00_load_ram_ext(ha,
3478 ha->request_dma, risc_address, cnt);
3479 }
3480 if (rval) {
3481 DEBUG(printk("scsi(%ld): [ERROR] Failed to "
3482 "load segment %d of firmware\n",
3483 ha->host_no, num));
3484 qla_printk(KERN_WARNING, ha,
3485 "[ERROR] Failed to load segment %d of "
3486 "firmware\n", num);
3487
3488 qla2x00_dump_regs(ha);
3489 break;
3490 }
3491
3492 risc_code += cnt;
3493 risc_address += cnt;
3494 risc_code_size -= cnt;
3495 num++;
3496 }
3497
3498 /* Next firmware sequence */
3499 fw_iter++;
3500 }
3501
3502 return (rval);
3503}
3504
3505int
3506qla24xx_load_risc_flash(scsi_qla_host_t *ha, uint32_t *srisc_addr)
3507{
3508 int rval;
3509 int segments, fragment;
3510 uint32_t faddr;
3511 uint32_t *dcode, dlen;
3512 uint32_t risc_addr;
3513 uint32_t risc_size;
3514 uint32_t i;
3515
3516 rval = QLA_SUCCESS;
3517
3518 segments = FA_RISC_CODE_SEGMENTS;
3519 faddr = FA_RISC_CODE_ADDR;
3520 dcode = (uint32_t *)ha->request_ring;
3521 *srisc_addr = 0;
3522
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 &&
3530 dcode[3] == 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]);
3536
3537 return QLA_FUNCTION_FAILED;
3538 }
3539
3540 while (segments && rval == QLA_SUCCESS) {
3541 /* Read segment's load information. */
3542 qla24xx_read_flash_data(ha, dcode, faddr, 4);
3543
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]);
3547
3548 fragment = 0;
3549 while (risc_size > 0 && rval == QLA_SUCCESS) {
3550 dlen = (uint32_t)(ha->fw_transfer_size >> 2);
3551 if (dlen > risc_size)
3552 dlen = risc_size;
3553
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));
3557
3558 qla24xx_read_flash_data(ha, dcode, faddr, dlen);
3559 for (i = 0; i < dlen; i++)
3560 dcode[i] = swab32(dcode[i]);
3561
3562 rval = qla2x00_load_ram_ext(ha, ha->request_dma,
3563 risc_addr, dlen);
3564 if (rval) {
3565 DEBUG(printk("scsi(%ld):[ERROR] Failed to load "
3566 "segment %d of firmware\n", ha->host_no,
3567 fragment));
3568 qla_printk(KERN_WARNING, ha,
3569 "[ERROR] Failed to load segment %d of "
3570 "firmware\n", fragment);
3571 break;
3572 }
3573
3574 faddr += dlen;
3575 risc_addr += dlen;
3576 risc_size -= dlen;
3577 fragment++;
3578 }
3579
3580 /* Next segment. */
3581 segments--;
3582 }
3583
3584 return rval;
3585}
3586
3587int
3588qla24xx_load_risc_hotplug(scsi_qla_host_t *ha, uint32_t *srisc_addr)
3589{
3590 int rval;
3591 int segments, fragment;
3592 uint32_t *dcode, dlen;
3593 uint32_t risc_addr;
3594 uint32_t risc_size;
3595 uint32_t i;
3596 const struct firmware *fw_entry;
3597 uint32_t *fwcode, fwclen;
3598
3599 if (request_firmware(&fw_entry, ha->brd_info->fw_fname,
3600 &ha->pdev->dev)) {
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;
3605 }
3606
3607 rval = QLA_SUCCESS;
3608
3609 segments = FA_RISC_CODE_SEGMENTS;
3610 dcode = (uint32_t *)ha->request_ring;
3611 *srisc_addr = 0;
3612 fwcode = (uint32_t *)fw_entry->data;
3613 fwclen = 0;
3614
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;
3621 }
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 &&
3627 dcode[3] == 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;
3634 }
3635
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]);
3640
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;
3648 }
3649
3650 fragment = 0;
3651 while (risc_size > 0 && rval == QLA_SUCCESS) {
3652 dlen = (uint32_t)(ha->fw_transfer_size >> 2);
3653 if (dlen > risc_size)
3654 dlen = risc_size;
3655
3656 DEBUG7(printk("scsi(%ld): Loading risc segment@ risc "
3657 "addr %x, number of dwords 0x%x.\n", ha->host_no,
3658 risc_addr, dlen));
3659
3660 for (i = 0; i < dlen; i++)
3661 dcode[i] = swab32(fwcode[i]);
3662
3663 rval = qla2x00_load_ram_ext(ha, ha->request_dma,
3664 risc_addr, dlen);
3665 if (rval) {
3666 DEBUG(printk("scsi(%ld):[ERROR] Failed to load "
3667 "segment %d of firmware\n", ha->host_no,
3668 fragment));
3669 qla_printk(KERN_WARNING, ha,
3670 "[ERROR] Failed to load segment %d of "
3671 "firmware\n", fragment);
3672 break;
3673 }
3674
3675 fwcode += dlen;
3676 risc_addr += dlen;
3677 risc_size -= dlen;
3678 fragment++;
3679 }
3680
3681 /* Next segment. */
3682 segments--;
3683 }
3684
3685 release_firmware(fw_entry);
3686 return rval;
3687
3688fail_fw_integrity:
3689
3690 release_firmware(fw_entry);
3691 return QLA_FUNCTION_FAILED;
3692
3693}
Linux kernel - Deliverables
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