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[SCSI] aacraid: Newer adapter communication iterface support
[linux-2.6-block.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;
cca5335c 91 set_bit(REGISTER_FDMI_NEEDED, &ha->dpc_flags);
1da177e4 92
0107109e 93 qla_printk(KERN_INFO, ha, "Configuring PCI space...\n");
abbd8870 94 rval = ha->isp_ops.pci_config(ha);
1da177e4
LT		 95 if (rval) {
96 DEBUG2(printk("scsi(%ld): Unable to configure PCI space=n",
97 ha->host_no));
98 return (rval);
99 }
100
abbd8870 101 ha->isp_ops.reset_chip(ha);
1da177e4 102
1da177e4 103 qla_printk(KERN_INFO, ha, "Configure NVRAM parameters...\n");
0107109e 104
abbd8870 105 ha->isp_ops.nvram_config(ha);
1da177e4
LT		 106
107 qla_printk(KERN_INFO, ha, "Verifying loaded RISC code...\n");
108
109 retry = 10;
110 /*
111 * Try to configure the loop.
112 */
113 do {
114 restart_risc = 0;
115
116 /* If firmware needs to be loaded */
117 if (qla2x00_isp_firmware(ha) != QLA_SUCCESS) {
abbd8870 118 if ((rval = ha->isp_ops.chip_diag(ha)) == QLA_SUCCESS) {
1da177e4
LT		 119 rval = qla2x00_setup_chip(ha);
120 }
121 }
122
123 if (rval == QLA_SUCCESS &&
124 (rval = qla2x00_init_rings(ha)) == QLA_SUCCESS) {
125check_fw_ready_again:
126 /*
fa2a1ce5 127 * Wait for a successful LIP up to a maximum
1da177e4
LT		 128 * of (in seconds): RISC login timeout value,
129 * RISC retry count value, and port down retry
fa2a1ce5 130 * value OR a minimum of 4 seconds OR If no
1da177e4
LT		 131 * cable, only 5 seconds.
132 */
133 rval = qla2x00_fw_ready(ha);
134 if (rval == QLA_SUCCESS) {
135 clear_bit(RESET_MARKER_NEEDED, &ha->dpc_flags);
136
0107109e
AV		 137 /* Issue a marker after FW becomes ready. */
138 qla2x00_marker(ha, 0, 0, MK_SYNC_ALL);
139
1da177e4
LT		 140 /*
141 * Wait at most MAX_TARGET RSCNs for a stable
142 * link.
143 */
144 wait_time = 256;
145 do {
146 clear_bit(LOOP_RESYNC_NEEDED,
147 &ha->dpc_flags);
148 rval = qla2x00_configure_loop(ha);
149
150 if (test_and_clear_bit(ISP_ABORT_NEEDED,
151 &ha->dpc_flags)) {
152 restart_risc = 1;
153 break;
154 }
155
156 /*
157 * If loop state change while we were
158 * discoverying devices then wait for
159 * LIP to complete
160 */
161
162 if (atomic_read(&ha->loop_state) ==
163 LOOP_DOWN && retry--) {
164 goto check_fw_ready_again;
165 }
166 wait_time--;
167 } while (!atomic_read(&ha->loop_down_timer) &&
168 retry &&
169 wait_time &&
170 (test_bit(LOOP_RESYNC_NEEDED,
171 &ha->dpc_flags)));
172
173 if (wait_time == 0)
174 rval = QLA_FUNCTION_FAILED;
1da177e4
LT		 175 } else if (ha->device_flags & DFLG_NO_CABLE)
176 /* If no cable, then all is good. */
177 rval = QLA_SUCCESS;
178 }
179 } while (restart_risc && retry--);
180
181 if (rval == QLA_SUCCESS) {
182 clear_bit(RESET_MARKER_NEEDED, &ha->dpc_flags);
1da177e4
LT		 183 qla2x00_marker(ha, 0, 0, MK_SYNC_ALL);
184 ha->marker_needed = 0;
185
186 ha->flags.online = 1;
187 } else {
188 DEBUG2_3(printk("%s(): **** FAILED ****\n", __func__));
189 }
190
191 return (rval);
192}
193
194/**
abbd8870 195 * qla2100_pci_config() - Setup ISP21xx PCI configuration registers.
1da177e4
LT		 196 * @ha: HA context
197 *
198 * Returns 0 on success.
199 */
abbd8870
AV		 200int
201qla2100_pci_config(scsi_qla_host_t *ha)
1da177e4 202{
abbd8870 203 uint16_t w, mwi;
27b2f679 204 uint32_t d;
abbd8870 205 unsigned long flags;
3d71644c 206 struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
1da177e4 207
1da177e4
LT		 208 pci_set_master(ha->pdev);
209 mwi = 0;
210 if (pci_set_mwi(ha->pdev))
211 mwi = PCI_COMMAND_INVALIDATE;
212 pci_read_config_word(ha->pdev, PCI_REVISION_ID, &ha->revision);
213
1da177e4
LT		 214 pci_read_config_word(ha->pdev, PCI_COMMAND, &w);
215 w |= mwi | (PCI_COMMAND_PARITY | PCI_COMMAND_SERR);
abbd8870
AV		 216 pci_write_config_word(ha->pdev, PCI_COMMAND, w);
217
218 /* Reset expansion ROM address decode enable */
27b2f679
AK		 219 pci_read_config_dword(ha->pdev, PCI_ROM_ADDRESS, &d);
220 d &= ~PCI_ROM_ADDRESS_ENABLE;
221 pci_write_config_dword(ha->pdev, PCI_ROM_ADDRESS, d);
1da177e4
LT		 222
223 /* Get PCI bus information. */
224 spin_lock_irqsave(&ha->hardware_lock, flags);
3d71644c 225 ha->pci_attr = RD_REG_WORD(&reg->ctrl_status);
1da177e4
LT		 226 spin_unlock_irqrestore(&ha->hardware_lock, flags);
227
abbd8870
AV		 228 return QLA_SUCCESS;
229}
1da177e4 230
abbd8870
AV		 231/**
232 * qla2300_pci_config() - Setup ISP23xx PCI configuration registers.
233 * @ha: HA context
234 *
235 * Returns 0 on success.
236 */
237int
238qla2300_pci_config(scsi_qla_host_t *ha)
239{
240 uint16_t w, mwi;
27b2f679 241 uint32_t d;
abbd8870
AV		 242 unsigned long flags = 0;
243 uint32_t cnt;
3d71644c 244 struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
1da177e4 245
abbd8870
AV		 246 pci_set_master(ha->pdev);
247 mwi = 0;
248 if (pci_set_mwi(ha->pdev))
249 mwi = PCI_COMMAND_INVALIDATE;
250 pci_read_config_word(ha->pdev, PCI_REVISION_ID, &ha->revision);
1da177e4 251
abbd8870
AV		 252 pci_read_config_word(ha->pdev, PCI_COMMAND, &w);
253 w |= mwi | (PCI_COMMAND_PARITY | PCI_COMMAND_SERR);
1da177e4 254
abbd8870
AV		 255 if (IS_QLA2322(ha) || IS_QLA6322(ha))
256 w &= ~PCI_COMMAND_INTX_DISABLE;
1da177e4 257
abbd8870
AV		 258 /*
259 * If this is a 2300 card and not 2312, reset the
260 * COMMAND_INVALIDATE due to a bug in the 2300. Unfortunately,
261 * the 2310 also reports itself as a 2300 so we need to get the
262 * fb revision level -- a 6 indicates it really is a 2300 and
263 * not a 2310.
264 */
265 if (IS_QLA2300(ha)) {
266 spin_lock_irqsave(&ha->hardware_lock, flags);
1da177e4 267
abbd8870 268 /* Pause RISC. */
3d71644c 269 WRT_REG_WORD(&reg->hccr, HCCR_PAUSE_RISC);
abbd8870 270 for (cnt = 0; cnt < 30000; cnt++) {
3d71644c 271 if ((RD_REG_WORD(&reg->hccr) & HCCR_RISC_PAUSE) != 0)
abbd8870 272 break;
1da177e4 273
abbd8870
AV		 274 udelay(10);
275 }
1da177e4 276
abbd8870 277 /* Select FPM registers. */
3d71644c
AV		 278 WRT_REG_WORD(&reg->ctrl_status, 0x20);
279 RD_REG_WORD(&reg->ctrl_status);
abbd8870
AV		 280
281 /* Get the fb rev level */
3d71644c 282 ha->fb_rev = RD_FB_CMD_REG(ha, reg);
abbd8870
AV		 283
284 if (ha->fb_rev == FPM_2300)
285 w &= ~PCI_COMMAND_INVALIDATE;
286
287 /* Deselect FPM registers. */
3d71644c
AV		 288 WRT_REG_WORD(&reg->ctrl_status, 0x0);
289 RD_REG_WORD(&reg->ctrl_status);
abbd8870
AV		 290
291 /* Release RISC module. */
3d71644c 292 WRT_REG_WORD(&reg->hccr, HCCR_RELEASE_RISC);
abbd8870 293 for (cnt = 0; cnt < 30000; cnt++) {
3d71644c 294 if ((RD_REG_WORD(&reg->hccr) & HCCR_RISC_PAUSE) == 0)
abbd8870
AV		 295 break;
296
297 udelay(10);
1da177e4 298 }
1da177e4 299
abbd8870
AV		 300 spin_unlock_irqrestore(&ha->hardware_lock, flags);
301 }
1da177e4
LT		 302 pci_write_config_word(ha->pdev, PCI_COMMAND, w);
303
abbd8870
AV		 304 pci_write_config_byte(ha->pdev, PCI_LATENCY_TIMER, 0x80);
305
1da177e4 306 /* Reset expansion ROM address decode enable */
27b2f679
AK		 307 pci_read_config_dword(ha->pdev, PCI_ROM_ADDRESS, &d);
308 d &= ~PCI_ROM_ADDRESS_ENABLE;
309 pci_write_config_dword(ha->pdev, PCI_ROM_ADDRESS, d);
1da177e4 310
abbd8870
AV		 311 /* Get PCI bus information. */
312 spin_lock_irqsave(&ha->hardware_lock, flags);
3d71644c 313 ha->pci_attr = RD_REG_WORD(&reg->ctrl_status);
abbd8870
AV		 314 spin_unlock_irqrestore(&ha->hardware_lock, flags);
315
316 return QLA_SUCCESS;
1da177e4
LT		 317}
318
0107109e
AV		 319/**
320 * qla24xx_pci_config() - Setup ISP24xx PCI configuration registers.
321 * @ha: HA context
322 *
323 * Returns 0 on success.
324 */
325int
326qla24xx_pci_config(scsi_qla_host_t *ha)
327{
328 uint16_t w, mwi;
27b2f679 329 uint32_t d;
0107109e
AV		 330 unsigned long flags = 0;
331 struct device_reg_24xx __iomem *reg = &ha->iobase->isp24;
332 int pcix_cmd_reg, pcie_dctl_reg;
333
334 pci_set_master(ha->pdev);
335 mwi = 0;
336 if (pci_set_mwi(ha->pdev))
337 mwi = PCI_COMMAND_INVALIDATE;
338 pci_read_config_word(ha->pdev, PCI_REVISION_ID, &ha->revision);
339
340 pci_read_config_word(ha->pdev, PCI_COMMAND, &w);
341 w |= mwi | (PCI_COMMAND_PARITY | PCI_COMMAND_SERR);
342 w &= ~PCI_COMMAND_INTX_DISABLE;
343 pci_write_config_word(ha->pdev, PCI_COMMAND, w);
344
345 pci_write_config_byte(ha->pdev, PCI_LATENCY_TIMER, 0x80);
346
347 /* PCI-X -- adjust Maximum Memory Read Byte Count (2048). */
348 pcix_cmd_reg = pci_find_capability(ha->pdev, PCI_CAP_ID_PCIX);
349 if (pcix_cmd_reg) {
350 uint16_t pcix_cmd;
351
352 pcix_cmd_reg += PCI_X_CMD;
353 pci_read_config_word(ha->pdev, pcix_cmd_reg, &pcix_cmd);
354 pcix_cmd &= ~PCI_X_CMD_MAX_READ;
355 pcix_cmd |= 0x0008;
356 pci_write_config_word(ha->pdev, pcix_cmd_reg, pcix_cmd);
357 }
358
359 /* PCIe -- adjust Maximum Read Request Size (2048). */
360 pcie_dctl_reg = pci_find_capability(ha->pdev, PCI_CAP_ID_EXP);
361 if (pcie_dctl_reg) {
362 uint16_t pcie_dctl;
363
364 pcie_dctl_reg += PCI_EXP_DEVCTL;
365 pci_read_config_word(ha->pdev, pcie_dctl_reg, &pcie_dctl);
366 pcie_dctl &= ~PCI_EXP_DEVCTL_READRQ;
367 pcie_dctl |= 0x4000;
368 pci_write_config_word(ha->pdev, pcie_dctl_reg, pcie_dctl);
369 }
370
371 /* Reset expansion ROM address decode enable */
27b2f679
AK		 372 pci_read_config_dword(ha->pdev, PCI_ROM_ADDRESS, &d);
373 d &= ~PCI_ROM_ADDRESS_ENABLE;
374 pci_write_config_dword(ha->pdev, PCI_ROM_ADDRESS, d);
0107109e
AV		 375
376 /* Get PCI bus information. */
377 spin_lock_irqsave(&ha->hardware_lock, flags);
378 ha->pci_attr = RD_REG_DWORD(&reg->ctrl_status);
379 spin_unlock_irqrestore(&ha->hardware_lock, flags);
380
381 return QLA_SUCCESS;
382}
383
1da177e4
LT		 384/**
385 * qla2x00_isp_firmware() - Choose firmware image.
386 * @ha: HA context
387 *
388 * Returns 0 on success.
389 */
390static int
391qla2x00_isp_firmware(scsi_qla_host_t *ha)
392{
393 int rval;
394
395 /* Assume loading risc code */
fa2a1ce5 396 rval = QLA_FUNCTION_FAILED;
1da177e4
LT		 397
398 if (ha->flags.disable_risc_code_load) {
399 DEBUG2(printk("scsi(%ld): RISC CODE NOT loaded\n",
400 ha->host_no));
401 qla_printk(KERN_INFO, ha, "RISC CODE NOT loaded\n");
402
403 /* Verify checksum of loaded RISC code. */
1c7c6357
AV		 404 rval = qla2x00_verify_checksum(ha,
405 IS_QLA24XX(ha) || IS_QLA25XX(ha) ? RISC_SADDRESS :
406 *ha->brd_info->fw_info[0].fwstart);
1da177e4
LT		 407 }
408
409 if (rval) {
410 DEBUG2_3(printk("scsi(%ld): **** Load RISC code ****\n",
411 ha->host_no));
412 }
413
414 return (rval);
415}
416
417/**
418 * qla2x00_reset_chip() - Reset ISP chip.
419 * @ha: HA context
420 *
421 * Returns 0 on success.
422 */
abbd8870 423void
fa2a1ce5 424qla2x00_reset_chip(scsi_qla_host_t *ha)
1da177e4
LT		 425{
426 unsigned long flags = 0;
3d71644c 427 struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
1da177e4
LT		 428 uint32_t cnt;
429 unsigned long mbx_flags = 0;
430 uint16_t cmd;
431
abbd8870 432 ha->isp_ops.disable_intrs(ha);
1da177e4
LT		 433
434 spin_lock_irqsave(&ha->hardware_lock, flags);
435
436 /* Turn off master enable */
437 cmd = 0;
438 pci_read_config_word(ha->pdev, PCI_COMMAND, &cmd);
439 cmd &= ~PCI_COMMAND_MASTER;
440 pci_write_config_word(ha->pdev, PCI_COMMAND, cmd);
441
442 if (!IS_QLA2100(ha)) {
443 /* Pause RISC. */
444 WRT_REG_WORD(&reg->hccr, HCCR_PAUSE_RISC);
445 if (IS_QLA2200(ha) || IS_QLA2300(ha)) {
446 for (cnt = 0; cnt < 30000; cnt++) {
447 if ((RD_REG_WORD(&reg->hccr) &
448 HCCR_RISC_PAUSE) != 0)
449 break;
450 udelay(100);
451 }
452 } else {
453 RD_REG_WORD(&reg->hccr); /* PCI Posting. */
454 udelay(10);
455 }
456
457 /* Select FPM registers. */
458 WRT_REG_WORD(&reg->ctrl_status, 0x20);
459 RD_REG_WORD(&reg->ctrl_status); /* PCI Posting. */
460
461 /* FPM Soft Reset. */
462 WRT_REG_WORD(&reg->fpm_diag_config, 0x100);
463 RD_REG_WORD(&reg->fpm_diag_config); /* PCI Posting. */
464
465 /* Toggle Fpm Reset. */
466 if (!IS_QLA2200(ha)) {
467 WRT_REG_WORD(&reg->fpm_diag_config, 0x0);
468 RD_REG_WORD(&reg->fpm_diag_config); /* PCI Posting. */
469 }
470
471 /* Select frame buffer registers. */
472 WRT_REG_WORD(&reg->ctrl_status, 0x10);
473 RD_REG_WORD(&reg->ctrl_status); /* PCI Posting. */
474
475 /* Reset frame buffer FIFOs. */
476 if (IS_QLA2200(ha)) {
477 WRT_FB_CMD_REG(ha, reg, 0xa000);
478 RD_FB_CMD_REG(ha, reg); /* PCI Posting. */
479 } else {
480 WRT_FB_CMD_REG(ha, reg, 0x00fc);
481
482 /* Read back fb_cmd until zero or 3 seconds max */
483 for (cnt = 0; cnt < 3000; cnt++) {
484 if ((RD_FB_CMD_REG(ha, reg) & 0xff) == 0)
485 break;
486 udelay(100);
487 }
488 }
489
490 /* Select RISC module registers. */
491 WRT_REG_WORD(&reg->ctrl_status, 0);
492 RD_REG_WORD(&reg->ctrl_status); /* PCI Posting. */
493
494 /* Reset RISC processor. */
495 WRT_REG_WORD(&reg->hccr, HCCR_RESET_RISC);
496 RD_REG_WORD(&reg->hccr); /* PCI Posting. */
497
498 /* Release RISC processor. */
499 WRT_REG_WORD(&reg->hccr, HCCR_RELEASE_RISC);
500 RD_REG_WORD(&reg->hccr); /* PCI Posting. */
501 }
502
503 WRT_REG_WORD(&reg->hccr, HCCR_CLR_RISC_INT);
504 WRT_REG_WORD(&reg->hccr, HCCR_CLR_HOST_INT);
505
506 /* Reset ISP chip. */
507 WRT_REG_WORD(&reg->ctrl_status, CSR_ISP_SOFT_RESET);
508
509 /* Wait for RISC to recover from reset. */
510 if (IS_QLA2100(ha) || IS_QLA2200(ha) || IS_QLA2300(ha)) {
511 /*
512 * It is necessary to for a delay here since the card doesn't
513 * respond to PCI reads during a reset. On some architectures
514 * this will result in an MCA.
515 */
516 udelay(20);
517 for (cnt = 30000; cnt; cnt--) {
518 if ((RD_REG_WORD(&reg->ctrl_status) &
519 CSR_ISP_SOFT_RESET) == 0)
520 break;
521 udelay(100);
522 }
523 } else
524 udelay(10);
525
526 /* Reset RISC processor. */
527 WRT_REG_WORD(&reg->hccr, HCCR_RESET_RISC);
528
529 WRT_REG_WORD(&reg->semaphore, 0);
530
531 /* Release RISC processor. */
532 WRT_REG_WORD(&reg->hccr, HCCR_RELEASE_RISC);
533 RD_REG_WORD(&reg->hccr); /* PCI Posting. */
534
535 if (IS_QLA2100(ha) || IS_QLA2200(ha) || IS_QLA2300(ha)) {
536 for (cnt = 0; cnt < 30000; cnt++) {
537 if (!(test_bit(ABORT_ISP_ACTIVE, &ha->dpc_flags)))
538 spin_lock_irqsave(&ha->mbx_reg_lock, mbx_flags);
539
540 if (RD_MAILBOX_REG(ha, reg, 0) != MBS_BUSY) {
541 if (!(test_bit(ABORT_ISP_ACTIVE,
542 &ha->dpc_flags)))
543 spin_unlock_irqrestore(
544 &ha->mbx_reg_lock, mbx_flags);
545 break;
546 }
547
548 if (!(test_bit(ABORT_ISP_ACTIVE, &ha->dpc_flags)))
549 spin_unlock_irqrestore(&ha->mbx_reg_lock,
550 mbx_flags);
551
552 udelay(100);
553 }
554 } else
555 udelay(100);
556
557 /* Turn on master enable */
558 cmd |= PCI_COMMAND_MASTER;
559 pci_write_config_word(ha->pdev, PCI_COMMAND, cmd);
560
561 /* Disable RISC pause on FPM parity error. */
562 if (!IS_QLA2100(ha)) {
563 WRT_REG_WORD(&reg->hccr, HCCR_DISABLE_PARITY_PAUSE);
564 RD_REG_WORD(&reg->hccr); /* PCI Posting. */
565 }
566
567 spin_unlock_irqrestore(&ha->hardware_lock, flags);
568}
569
0107109e 570/**
88c26663 571 * qla24xx_reset_risc() - Perform full reset of ISP24xx RISC.
0107109e
AV		 572 * @ha: HA context
573 *
574 * Returns 0 on success.
575 */
88c26663
AV		 576static inline void
577qla24xx_reset_risc(scsi_qla_host_t *ha)
0107109e
AV		 578{
579 unsigned long flags = 0;
580 struct device_reg_24xx __iomem *reg = &ha->iobase->isp24;
581 uint32_t cnt, d2;
582
0107109e
AV		 583 spin_lock_irqsave(&ha->hardware_lock, flags);
584
585 /* Reset RISC. */
586 WRT_REG_DWORD(&reg->ctrl_status, CSRX_DMA_SHUTDOWN|MWB_4096_BYTES);
587 for (cnt = 0; cnt < 30000; cnt++) {
588 if ((RD_REG_DWORD(&reg->ctrl_status) & CSRX_DMA_ACTIVE) == 0)
589 break;
590
591 udelay(10);
592 }
593
594 WRT_REG_DWORD(&reg->ctrl_status,
595 CSRX_ISP_SOFT_RESET|CSRX_DMA_SHUTDOWN|MWB_4096_BYTES);
88c26663
AV		 596 RD_REG_DWORD(&reg->ctrl_status);
597
598 /* Wait for firmware to complete NVRAM accesses. */
599 udelay(5);
600 d2 = (uint32_t) RD_REG_WORD(&reg->mailbox0);
601 for (cnt = 10000 ; cnt && d2; cnt--) {
602 udelay(5);
603 d2 = (uint32_t) RD_REG_WORD(&reg->mailbox0);
604 barrier();
605 }
606
0107109e
AV		 607 udelay(20);
608 d2 = RD_REG_DWORD(&reg->ctrl_status);
609 for (cnt = 6000000 ; cnt && (d2 & CSRX_ISP_SOFT_RESET); cnt--) {
610 udelay(5);
611 d2 = RD_REG_DWORD(&reg->ctrl_status);
612 barrier();
613 }
614
615 WRT_REG_DWORD(&reg->hccr, HCCRX_SET_RISC_RESET);
616 RD_REG_DWORD(&reg->hccr);
617
618 WRT_REG_DWORD(&reg->hccr, HCCRX_REL_RISC_PAUSE);
619 RD_REG_DWORD(&reg->hccr);
620
621 WRT_REG_DWORD(&reg->hccr, HCCRX_CLR_RISC_RESET);
622 RD_REG_DWORD(&reg->hccr);
623
624 d2 = (uint32_t) RD_REG_WORD(&reg->mailbox0);
625 for (cnt = 6000000 ; cnt && d2; cnt--) {
626 udelay(5);
627 d2 = (uint32_t) RD_REG_WORD(&reg->mailbox0);
628 barrier();
629 }
630
631 spin_unlock_irqrestore(&ha->hardware_lock, flags);
632}
633
88c26663
AV		 634/**
635 * qla24xx_reset_chip() - Reset ISP24xx chip.
636 * @ha: HA context
637 *
638 * Returns 0 on success.
639 */
640void
641qla24xx_reset_chip(scsi_qla_host_t *ha)
642{
643 ha->isp_ops.disable_intrs(ha);
644
645 /* Perform RISC reset. */
646 qla24xx_reset_risc(ha);
647}
648
1da177e4
LT		 649/**
650 * qla2x00_chip_diag() - Test chip for proper operation.
651 * @ha: HA context
652 *
653 * Returns 0 on success.
654 */
abbd8870 655int
1da177e4
LT		 656qla2x00_chip_diag(scsi_qla_host_t *ha)
657{
658 int rval;
3d71644c 659 struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
1da177e4
LT		 660 unsigned long flags = 0;
661 uint16_t data;
662 uint32_t cnt;
663 uint16_t mb[5];
664
665 /* Assume a failed state */
666 rval = QLA_FUNCTION_FAILED;
667
668 DEBUG3(printk("scsi(%ld): Testing device at %lx.\n",
669 ha->host_no, (u_long)&reg->flash_address));
670
671 spin_lock_irqsave(&ha->hardware_lock, flags);
672
673 /* Reset ISP chip. */
674 WRT_REG_WORD(&reg->ctrl_status, CSR_ISP_SOFT_RESET);
675
676 /*
677 * We need to have a delay here since the card will not respond while
678 * in reset causing an MCA on some architectures.
679 */
680 udelay(20);
681 data = qla2x00_debounce_register(&reg->ctrl_status);
682 for (cnt = 6000000 ; cnt && (data & CSR_ISP_SOFT_RESET); cnt--) {
683 udelay(5);
684 data = RD_REG_WORD(&reg->ctrl_status);
685 barrier();
686 }
687
688 if (!cnt)
689 goto chip_diag_failed;
690
691 DEBUG3(printk("scsi(%ld): Reset register cleared by chip reset\n",
692 ha->host_no));
693
694 /* Reset RISC processor. */
695 WRT_REG_WORD(&reg->hccr, HCCR_RESET_RISC);
696 WRT_REG_WORD(&reg->hccr, HCCR_RELEASE_RISC);
697
698 /* Workaround for QLA2312 PCI parity error */
699 if (IS_QLA2100(ha) || IS_QLA2200(ha) || IS_QLA2300(ha)) {
700 data = qla2x00_debounce_register(MAILBOX_REG(ha, reg, 0));
701 for (cnt = 6000000; cnt && (data == MBS_BUSY); cnt--) {
702 udelay(5);
703 data = RD_MAILBOX_REG(ha, reg, 0);
fa2a1ce5 704 barrier();
1da177e4
LT		 705 }
706 } else
707 udelay(10);
708
709 if (!cnt)
710 goto chip_diag_failed;
711
712 /* Check product ID of chip */
713 DEBUG3(printk("scsi(%ld): Checking product ID of chip\n", ha->host_no));
714
715 mb[1] = RD_MAILBOX_REG(ha, reg, 1);
716 mb[2] = RD_MAILBOX_REG(ha, reg, 2);
717 mb[3] = RD_MAILBOX_REG(ha, reg, 3);
718 mb[4] = qla2x00_debounce_register(MAILBOX_REG(ha, reg, 4));
719 if (mb[1] != PROD_ID_1 || (mb[2] != PROD_ID_2 && mb[2] != PROD_ID_2a) ||
720 mb[3] != PROD_ID_3) {
721 qla_printk(KERN_WARNING, ha,
722 "Wrong product ID = 0x%x,0x%x,0x%x\n", mb[1], mb[2], mb[3]);
723
724 goto chip_diag_failed;
725 }
726 ha->product_id[0] = mb[1];
727 ha->product_id[1] = mb[2];
728 ha->product_id[2] = mb[3];
729 ha->product_id[3] = mb[4];
730
731 /* Adjust fw RISC transfer size */
732 if (ha->request_q_length > 1024)
733 ha->fw_transfer_size = REQUEST_ENTRY_SIZE * 1024;
734 else
735 ha->fw_transfer_size = REQUEST_ENTRY_SIZE *
736 ha->request_q_length;
737
738 if (IS_QLA2200(ha) &&
739 RD_MAILBOX_REG(ha, reg, 7) == QLA2200A_RISC_ROM_VER) {
740 /* Limit firmware transfer size with a 2200A */
741 DEBUG3(printk("scsi(%ld): Found QLA2200A chip.\n",
742 ha->host_no));
743
744 ha->fw_transfer_size = 128;
745 }
746
747 /* Wrap Incoming Mailboxes Test. */
748 spin_unlock_irqrestore(&ha->hardware_lock, flags);
749
750 DEBUG3(printk("scsi(%ld): Checking mailboxes.\n", ha->host_no));
751 rval = qla2x00_mbx_reg_test(ha);
752 if (rval) {
753 DEBUG(printk("scsi(%ld): Failed mailbox send register test\n",
754 ha->host_no));
755 qla_printk(KERN_WARNING, ha,
756 "Failed mailbox send register test\n");
757 }
758 else {
759 /* Flag a successful rval */
760 rval = QLA_SUCCESS;
761 }
762 spin_lock_irqsave(&ha->hardware_lock, flags);
763
764chip_diag_failed:
765 if (rval)
766 DEBUG2_3(printk("scsi(%ld): Chip diagnostics **** FAILED "
767 "****\n", ha->host_no));
768
769 spin_unlock_irqrestore(&ha->hardware_lock, flags);
770
771 return (rval);
772}
773
0107109e
AV		 774/**
775 * qla24xx_chip_diag() - Test ISP24xx for proper operation.
776 * @ha: HA context
777 *
778 * Returns 0 on success.
779 */
780int
781qla24xx_chip_diag(scsi_qla_host_t *ha)
782{
783 int rval;
0107109e 784
88c26663
AV		 785 /* Perform RISC reset. */
786 qla24xx_reset_risc(ha);
0107109e
AV		 787
788 ha->fw_transfer_size = REQUEST_ENTRY_SIZE * 1024;
789
790 rval = qla2x00_mbx_reg_test(ha);
791 if (rval) {
792 DEBUG(printk("scsi(%ld): Failed mailbox send register test\n",
793 ha->host_no));
794 qla_printk(KERN_WARNING, ha,
795 "Failed mailbox send register test\n");
796 } else {
797 /* Flag a successful rval */
798 rval = QLA_SUCCESS;
799 }
800
801 return rval;
802}
803
804static void
805qla2x00_alloc_fw_dump(scsi_qla_host_t *ha)
806{
807 ha->fw_dumped = 0;
808 ha->fw_dump24_len = sizeof(struct qla24xx_fw_dump);
809 ha->fw_dump24_len += (ha->fw_memory_size - 0x100000) * sizeof(uint32_t);
810 ha->fw_dump24 = vmalloc(ha->fw_dump24_len);
811 if (ha->fw_dump24)
812 qla_printk(KERN_INFO, ha, "Allocated (%d KB) for firmware "
813 "dump...\n", ha->fw_dump24_len / 1024);
814 else
815 qla_printk(KERN_WARNING, ha, "Unable to allocate (%d KB) for "
816 "firmware dump!!!\n", ha->fw_dump24_len / 1024);
817}
818
1da177e4
LT		 819/**
820 * qla2x00_resize_request_q() - Resize request queue given available ISP memory.
821 * @ha: HA context
822 *
823 * Returns 0 on success.
824 */
825static void
826qla2x00_resize_request_q(scsi_qla_host_t *ha)
827{
828 int rval;
829 uint16_t fw_iocb_cnt = 0;
830 uint16_t request_q_length = REQUEST_ENTRY_CNT_2XXX_EXT_MEM;
831 dma_addr_t request_dma;
832 request_t *request_ring;
833
834 /* Valid only on recent ISPs. */
835 if (IS_QLA2100(ha) || IS_QLA2200(ha))
836 return;
837
0107109e
AV		 838 if (IS_QLA24XX(ha) || IS_QLA25XX(ha))
839 qla2x00_alloc_fw_dump(ha);
840
1da177e4
LT		 841 /* Retrieve IOCB counts available to the firmware. */
842 rval = qla2x00_get_resource_cnts(ha, NULL, NULL, NULL, &fw_iocb_cnt);
843 if (rval)
844 return;
845 /* No point in continuing if current settings are sufficient. */
846 if (fw_iocb_cnt < 1024)
847 return;
848 if (ha->request_q_length >= request_q_length)
849 return;
850
851 /* Attempt to claim larger area for request queue. */
852 request_ring = dma_alloc_coherent(&ha->pdev->dev,
853 (request_q_length + 1) * sizeof(request_t), &request_dma,
854 GFP_KERNEL);
855 if (request_ring == NULL)
856 return;
857
858 /* Resize successful, report extensions. */
859 qla_printk(KERN_INFO, ha, "Extended memory detected (%d KB)...\n",
860 (ha->fw_memory_size + 1) / 1024);
861 qla_printk(KERN_INFO, ha, "Resizing request queue depth "
862 "(%d -> %d)...\n", ha->request_q_length, request_q_length);
863
864 /* Clear old allocations. */
865 dma_free_coherent(&ha->pdev->dev,
866 (ha->request_q_length + 1) * sizeof(request_t), ha->request_ring,
867 ha->request_dma);
868
869 /* Begin using larger queue. */
870 ha->request_q_length = request_q_length;
871 ha->request_ring = request_ring;
872 ha->request_dma = request_dma;
873}
874
875/**
876 * qla2x00_setup_chip() - Load and start RISC firmware.
877 * @ha: HA context
878 *
879 * Returns 0 on success.
880 */
881static int
882qla2x00_setup_chip(scsi_qla_host_t *ha)
883{
0107109e
AV		 884 int rval;
885 uint32_t srisc_address = 0;
1da177e4
LT		 886
887 /* Load firmware sequences */
0107109e
AV		 888 rval = ha->isp_ops.load_risc(ha, &srisc_address);
889 if (rval == QLA_SUCCESS) {
1da177e4
LT		 890 DEBUG(printk("scsi(%ld): Verifying Checksum of loaded RISC "
891 "code.\n", ha->host_no));
892
0107109e 893 rval = qla2x00_verify_checksum(ha, srisc_address);
1da177e4
LT		 894 if (rval == QLA_SUCCESS) {
895 /* Start firmware execution. */
896 DEBUG(printk("scsi(%ld): Checksum OK, start "
897 "firmware.\n", ha->host_no));
898
0107109e 899 rval = qla2x00_execute_fw(ha, srisc_address);
1da177e4
LT		 900 /* Retrieve firmware information. */
901 if (rval == QLA_SUCCESS && ha->fw_major_version == 0) {
902 qla2x00_get_fw_version(ha,
903 &ha->fw_major_version,
904 &ha->fw_minor_version,
905 &ha->fw_subminor_version,
906 &ha->fw_attributes, &ha->fw_memory_size);
907 qla2x00_resize_request_q(ha);
908 }
909 } else {
910 DEBUG2(printk(KERN_INFO
911 "scsi(%ld): ISP Firmware failed checksum.\n",
912 ha->host_no));
913 }
914 }
915
916 if (rval) {
917 DEBUG2_3(printk("scsi(%ld): Setup chip **** FAILED ****.\n",
918 ha->host_no));
919 }
920
921 return (rval);
922}
923
924/**
925 * qla2x00_init_response_q_entries() - Initializes response queue entries.
926 * @ha: HA context
927 *
928 * Beginning of request ring has initialization control block already built
929 * by nvram config routine.
930 *
931 * Returns 0 on success.
932 */
933static void
934qla2x00_init_response_q_entries(scsi_qla_host_t *ha)
935{
936 uint16_t cnt;
937 response_t *pkt;
938
939 pkt = ha->response_ring_ptr;
940 for (cnt = 0; cnt < ha->response_q_length; cnt++) {
941 pkt->signature = RESPONSE_PROCESSED;
942 pkt++;
943 }
944
945}
946
947/**
948 * qla2x00_update_fw_options() - Read and process firmware options.
949 * @ha: HA context
950 *
951 * Returns 0 on success.
952 */
abbd8870 953void
1da177e4
LT		 954qla2x00_update_fw_options(scsi_qla_host_t *ha)
955{
956 uint16_t swing, emphasis, tx_sens, rx_sens;
957
958 memset(ha->fw_options, 0, sizeof(ha->fw_options));
959 qla2x00_get_fw_options(ha, ha->fw_options);
960
961 if (IS_QLA2100(ha) || IS_QLA2200(ha))
962 return;
963
964 /* Serial Link options. */
965 DEBUG3(printk("scsi(%ld): Serial link options:\n",
966 ha->host_no));
967 DEBUG3(qla2x00_dump_buffer((uint8_t *)&ha->fw_seriallink_options,
968 sizeof(ha->fw_seriallink_options)));
969
970 ha->fw_options[1] &= ~FO1_SET_EMPHASIS_SWING;
971 if (ha->fw_seriallink_options[3] & BIT_2) {
972 ha->fw_options[1] |= FO1_SET_EMPHASIS_SWING;
973
974 /* 1G settings */
975 swing = ha->fw_seriallink_options[2] & (BIT_2 | BIT_1 | BIT_0);
976 emphasis = (ha->fw_seriallink_options[2] &
977 (BIT_4 | BIT_3)) >> 3;
978 tx_sens = ha->fw_seriallink_options[0] &
fa2a1ce5 979 (BIT_3 | BIT_2 | BIT_1 | BIT_0);
1da177e4
LT		 980 rx_sens = (ha->fw_seriallink_options[0] &
981 (BIT_7 | BIT_6 | BIT_5 | BIT_4)) >> 4;
982 ha->fw_options[10] = (emphasis << 14) | (swing << 8);
983 if (IS_QLA2300(ha) || IS_QLA2312(ha) || IS_QLA6312(ha)) {
984 if (rx_sens == 0x0)
985 rx_sens = 0x3;
986 ha->fw_options[10] |= (tx_sens << 4) | rx_sens;
987 } else if (IS_QLA2322(ha) || IS_QLA6322(ha))
988 ha->fw_options[10] |= BIT_5 |
989 ((rx_sens & (BIT_1 | BIT_0)) << 2) |
990 (tx_sens & (BIT_1 | BIT_0));
991
992 /* 2G settings */
993 swing = (ha->fw_seriallink_options[2] &
994 (BIT_7 | BIT_6 | BIT_5)) >> 5;
995 emphasis = ha->fw_seriallink_options[3] & (BIT_1 | BIT_0);
996 tx_sens = ha->fw_seriallink_options[1] &
fa2a1ce5 997 (BIT_3 | BIT_2 | BIT_1 | BIT_0);
1da177e4
LT		 998 rx_sens = (ha->fw_seriallink_options[1] &
999 (BIT_7 | BIT_6 | BIT_5 | BIT_4)) >> 4;
1000 ha->fw_options[11] = (emphasis << 14) | (swing << 8);
1001 if (IS_QLA2300(ha) || IS_QLA2312(ha) || IS_QLA6312(ha)) {
1002 if (rx_sens == 0x0)
1003 rx_sens = 0x3;
1004 ha->fw_options[11] |= (tx_sens << 4) | rx_sens;
1005 } else if (IS_QLA2322(ha) || IS_QLA6322(ha))
1006 ha->fw_options[11] |= BIT_5 |
1007 ((rx_sens & (BIT_1 | BIT_0)) << 2) |
1008 (tx_sens & (BIT_1 | BIT_0));
1009 }
1010
1011 /* FCP2 options. */
1012 /* Return command IOCBs without waiting for an ABTS to complete. */
1013 ha->fw_options[3] |= BIT_13;
1014
1015 /* LED scheme. */
1016 if (ha->flags.enable_led_scheme)
1017 ha->fw_options[2] |= BIT_12;
1018
1019 /* Update firmware options. */
1020 qla2x00_set_fw_options(ha, ha->fw_options);
1021}
1022
0107109e
AV		 1023void
1024qla24xx_update_fw_options(scsi_qla_host_t *ha)
1025{
1026 int rval;
1027
1028 /* Update Serial Link options. */
1029 if ((ha->fw_seriallink_options24[0] & BIT_0) == 0)
1030 return;
1031
1032 rval = qla2x00_set_serdes_params(ha, ha->fw_seriallink_options24[1],
1033 ha->fw_seriallink_options24[2], ha->fw_seriallink_options24[3]);
1034 if (rval != QLA_SUCCESS) {
1035 qla_printk(KERN_WARNING, ha,
1036 "Unable to update Serial Link options (%x).\n", rval);
1037 }
1038}
1039
abbd8870
AV		 1040void
1041qla2x00_config_rings(struct scsi_qla_host *ha)
1042{
3d71644c 1043 struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
abbd8870
AV		 1044
1045 /* Setup ring parameters in initialization control block. */
1046 ha->init_cb->request_q_outpointer = __constant_cpu_to_le16(0);
1047 ha->init_cb->response_q_inpointer = __constant_cpu_to_le16(0);
1048 ha->init_cb->request_q_length = cpu_to_le16(ha->request_q_length);
1049 ha->init_cb->response_q_length = cpu_to_le16(ha->response_q_length);
1050 ha->init_cb->request_q_address[0] = cpu_to_le32(LSD(ha->request_dma));
1051 ha->init_cb->request_q_address[1] = cpu_to_le32(MSD(ha->request_dma));
1052 ha->init_cb->response_q_address[0] = cpu_to_le32(LSD(ha->response_dma));
1053 ha->init_cb->response_q_address[1] = cpu_to_le32(MSD(ha->response_dma));
1054
1055 WRT_REG_WORD(ISP_REQ_Q_IN(ha, reg), 0);
1056 WRT_REG_WORD(ISP_REQ_Q_OUT(ha, reg), 0);
1057 WRT_REG_WORD(ISP_RSP_Q_IN(ha, reg), 0);
1058 WRT_REG_WORD(ISP_RSP_Q_OUT(ha, reg), 0);
1059 RD_REG_WORD(ISP_RSP_Q_OUT(ha, reg)); /* PCI Posting. */
1060}
1061
0107109e
AV		 1062void
1063qla24xx_config_rings(struct scsi_qla_host *ha)
1064{
1065 struct device_reg_24xx __iomem *reg = &ha->iobase->isp24;
1066 struct init_cb_24xx *icb;
1067
1068 /* Setup ring parameters in initialization control block. */
1069 icb = (struct init_cb_24xx *)ha->init_cb;
1070 icb->request_q_outpointer = __constant_cpu_to_le16(0);
1071 icb->response_q_inpointer = __constant_cpu_to_le16(0);
1072 icb->request_q_length = cpu_to_le16(ha->request_q_length);
1073 icb->response_q_length = cpu_to_le16(ha->response_q_length);
1074 icb->request_q_address[0] = cpu_to_le32(LSD(ha->request_dma));
1075 icb->request_q_address[1] = cpu_to_le32(MSD(ha->request_dma));
1076 icb->response_q_address[0] = cpu_to_le32(LSD(ha->response_dma));
1077 icb->response_q_address[1] = cpu_to_le32(MSD(ha->response_dma));
1078
1079 WRT_REG_DWORD(&reg->req_q_in, 0);
1080 WRT_REG_DWORD(&reg->req_q_out, 0);
1081 WRT_REG_DWORD(&reg->rsp_q_in, 0);
1082 WRT_REG_DWORD(&reg->rsp_q_out, 0);
1083 RD_REG_DWORD(&reg->rsp_q_out);
1084}
1085
1da177e4
LT		 1086/**
1087 * qla2x00_init_rings() - Initializes firmware.
1088 * @ha: HA context
1089 *
1090 * Beginning of request ring has initialization control block already built
1091 * by nvram config routine.
1092 *
1093 * Returns 0 on success.
1094 */
1095static int
1096qla2x00_init_rings(scsi_qla_host_t *ha)
1097{
1098 int rval;
1099 unsigned long flags = 0;
1100 int cnt;
1da177e4
LT		 1101
1102 spin_lock_irqsave(&ha->hardware_lock, flags);
1103
1104 /* Clear outstanding commands array. */
1105 for (cnt = 0; cnt < MAX_OUTSTANDING_COMMANDS; cnt++)
1106 ha->outstanding_cmds[cnt] = NULL;
1107
1108 ha->current_outstanding_cmd = 0;
1109
1110 /* Clear RSCN queue. */
1111 ha->rscn_in_ptr = 0;
1112 ha->rscn_out_ptr = 0;
1113
1114 /* Initialize firmware. */
1115 ha->request_ring_ptr = ha->request_ring;
1116 ha->req_ring_index = 0;
1117 ha->req_q_cnt = ha->request_q_length;
1118 ha->response_ring_ptr = ha->response_ring;
1119 ha->rsp_ring_index = 0;
1120
1da177e4
LT		 1121 /* Initialize response queue entries */
1122 qla2x00_init_response_q_entries(ha);
1123
abbd8870 1124 ha->isp_ops.config_rings(ha);
1da177e4
LT		 1125
1126 spin_unlock_irqrestore(&ha->hardware_lock, flags);
1127
1128 /* Update any ISP specific firmware options before initialization. */
abbd8870 1129 ha->isp_ops.update_fw_options(ha);
1da177e4
LT		 1130
1131 DEBUG(printk("scsi(%ld): Issue init firmware.\n", ha->host_no));
0107109e 1132 rval = qla2x00_init_firmware(ha, ha->init_cb_size);
1da177e4
LT		 1133 if (rval) {
1134 DEBUG2_3(printk("scsi(%ld): Init firmware **** FAILED ****.\n",
1135 ha->host_no));
1136 } else {
1137 DEBUG3(printk("scsi(%ld): Init firmware -- success.\n",
1138 ha->host_no));
1139 }
1140
1141 return (rval);
1142}
1143
1144/**
1145 * qla2x00_fw_ready() - Waits for firmware ready.
1146 * @ha: HA context
1147 *
1148 * Returns 0 on success.
1149 */
1150static int
1151qla2x00_fw_ready(scsi_qla_host_t *ha)
1152{
1153 int rval;
1154 unsigned long wtime, mtime;
1155 uint16_t min_wait; /* Minimum wait time if loop is down */
1156 uint16_t wait_time; /* Wait time if loop is coming ready */
1157 uint16_t fw_state;
1158
1159 rval = QLA_SUCCESS;
1160
1161 /* 20 seconds for loop down. */
fa2a1ce5 1162 min_wait = 20;
1da177e4
LT		 1163
1164 /*
1165 * Firmware should take at most one RATOV to login, plus 5 seconds for
1166 * our own processing.
1167 */
1168 if ((wait_time = (ha->retry_count*ha->login_timeout) + 5) < min_wait) {
1169 wait_time = min_wait;
1170 }
1171
1172 /* Min wait time if loop down */
1173 mtime = jiffies + (min_wait * HZ);
1174
1175 /* wait time before firmware ready */
1176 wtime = jiffies + (wait_time * HZ);
1177
1178 /* Wait for ISP to finish LIP */
1179 if (!ha->flags.init_done)
1180 qla_printk(KERN_INFO, ha, "Waiting for LIP to complete...\n");
1181
1182 DEBUG3(printk("scsi(%ld): Waiting for LIP to complete...\n",
1183 ha->host_no));
1184
1185 do {
1186 rval = qla2x00_get_firmware_state(ha, &fw_state);
1187 if (rval == QLA_SUCCESS) {
1188 if (fw_state < FSTATE_LOSS_OF_SYNC) {
1189 ha->device_flags &= ~DFLG_NO_CABLE;
1190 }
1191 if (fw_state == FSTATE_READY) {
1192 DEBUG(printk("scsi(%ld): F/W Ready - OK \n",
1193 ha->host_no));
1194
1195 qla2x00_get_retry_cnt(ha, &ha->retry_count,
1196 &ha->login_timeout, &ha->r_a_tov);
1197
1198 rval = QLA_SUCCESS;
1199 break;
1200 }
1201
1202 rval = QLA_FUNCTION_FAILED;
1203
1204 if (atomic_read(&ha->loop_down_timer) &&
1205 (fw_state >= FSTATE_LOSS_OF_SYNC ||
1206 fw_state == FSTATE_WAIT_AL_PA)) {
1207 /* Loop down. Timeout on min_wait for states
fa2a1ce5
AV		 1208 * other than Wait for Login.
1209 */
1da177e4
LT		 1210 if (time_after_eq(jiffies, mtime)) {
1211 qla_printk(KERN_INFO, ha,
1212 "Cable is unplugged...\n");
1213
1214 ha->device_flags |= DFLG_NO_CABLE;
1215 break;
1216 }
1217 }
1218 } else {
1219 /* Mailbox cmd failed. Timeout on min_wait. */
1220 if (time_after_eq(jiffies, mtime))
1221 break;
1222 }
1223
1224 if (time_after_eq(jiffies, wtime))
1225 break;
1226
1227 /* Delay for a while */
1228 msleep(500);
1229
1230 DEBUG3(printk("scsi(%ld): fw_state=%x curr time=%lx.\n",
1231 ha->host_no, fw_state, jiffies));
1232 } while (1);
1233
1234 DEBUG(printk("scsi(%ld): fw_state=%x curr time=%lx.\n",
1235 ha->host_no, fw_state, jiffies));
1236
1237 if (rval) {
1238 DEBUG2_3(printk("scsi(%ld): Firmware ready **** FAILED ****.\n",
1239 ha->host_no));
1240 }
1241
1242 return (rval);
1243}
1244
1245/*
1246* qla2x00_configure_hba
1247* Setup adapter context.
1248*
1249* Input:
1250* ha = adapter state pointer.
1251*
1252* Returns:
1253* 0 = success
1254*
1255* Context:
1256* Kernel context.
1257*/
1258static int
1259qla2x00_configure_hba(scsi_qla_host_t *ha)
1260{
1261 int rval;
1262 uint16_t loop_id;
1263 uint16_t topo;
1264 uint8_t al_pa;
1265 uint8_t area;
1266 uint8_t domain;
1267 char connect_type[22];
1268
1269 /* Get host addresses. */
1270 rval = qla2x00_get_adapter_id(ha,
1271 &loop_id, &al_pa, &area, &domain, &topo);
1272 if (rval != QLA_SUCCESS) {
1273 qla_printk(KERN_WARNING, ha,
1274 "ERROR -- Unable to get host loop ID.\n");
1275 set_bit(ISP_ABORT_NEEDED, &ha->dpc_flags);
1276 return (rval);
1277 }
1278
1279 if (topo == 4) {
1280 qla_printk(KERN_INFO, ha,
1281 "Cannot get topology - retrying.\n");
1282 return (QLA_FUNCTION_FAILED);
1283 }
1284
1285 ha->loop_id = loop_id;
1286
1287 /* initialize */
1288 ha->min_external_loopid = SNS_FIRST_LOOP_ID;
1289 ha->operating_mode = LOOP;
1290
1291 switch (topo) {
1292 case 0:
1293 DEBUG3(printk("scsi(%ld): HBA in NL topology.\n",
1294 ha->host_no));
1295 ha->current_topology = ISP_CFG_NL;
1296 strcpy(connect_type, "(Loop)");
1297 break;
1298
1299 case 1:
1300 DEBUG3(printk("scsi(%ld): HBA in FL topology.\n",
1301 ha->host_no));
1302 ha->current_topology = ISP_CFG_FL;
1303 strcpy(connect_type, "(FL_Port)");
1304 break;
1305
1306 case 2:
1307 DEBUG3(printk("scsi(%ld): HBA in N P2P topology.\n",
1308 ha->host_no));
1309 ha->operating_mode = P2P;
1310 ha->current_topology = ISP_CFG_N;
1311 strcpy(connect_type, "(N_Port-to-N_Port)");
1312 break;
1313
1314 case 3:
1315 DEBUG3(printk("scsi(%ld): HBA in F P2P topology.\n",
1316 ha->host_no));
1317 ha->operating_mode = P2P;
1318 ha->current_topology = ISP_CFG_F;
1319 strcpy(connect_type, "(F_Port)");
1320 break;
1321
1322 default:
1323 DEBUG3(printk("scsi(%ld): HBA in unknown topology %x. "
1324 "Using NL.\n",
1325 ha->host_no, topo));
1326 ha->current_topology = ISP_CFG_NL;
1327 strcpy(connect_type, "(Loop)");
1328 break;
1329 }
1330
1331 /* Save Host port and loop ID. */
1332 /* byte order - Big Endian */
1333 ha->d_id.b.domain = domain;
1334 ha->d_id.b.area = area;
1335 ha->d_id.b.al_pa = al_pa;
1336
1337 if (!ha->flags.init_done)
1338 qla_printk(KERN_INFO, ha,
1339 "Topology - %s, Host Loop address 0x%x\n",
1340 connect_type, ha->loop_id);
1341
1342 if (rval) {
1343 DEBUG2_3(printk("scsi(%ld): FAILED.\n", ha->host_no));
1344 } else {
1345 DEBUG3(printk("scsi(%ld): exiting normally.\n", ha->host_no));
1346 }
1347
1348 return(rval);
1349}
1350
1351/*
1352* NVRAM configuration for ISP 2xxx
1353*
1354* Input:
1355* ha = adapter block pointer.
1356*
1357* Output:
1358* initialization control block in response_ring
1359* host adapters parameters in host adapter block
1360*
1361* Returns:
1362* 0 = success.
1363*/
abbd8870 1364int
1da177e4
LT		 1365qla2x00_nvram_config(scsi_qla_host_t *ha)
1366{
0107109e
AV		 1367 int rval;
1368 uint8_t chksum = 0;
1369 uint16_t cnt;
1370 uint8_t *dptr1, *dptr2;
1371 init_cb_t *icb = ha->init_cb;
1372 nvram_t *nv = (nvram_t *)ha->request_ring;
1373 uint8_t *ptr = (uint8_t *)ha->request_ring;
3d71644c 1374 struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
0107109e 1375 uint8_t timer_mode;
1da177e4
LT		 1376
1377 rval = QLA_SUCCESS;
1378
1379 /* Determine NVRAM starting address. */
0107109e 1380 ha->nvram_size = sizeof(nvram_t);
1da177e4
LT		 1381 ha->nvram_base = 0;
1382 if (!IS_QLA2100(ha) && !IS_QLA2200(ha) && !IS_QLA2300(ha))
1383 if ((RD_REG_WORD(&reg->ctrl_status) >> 14) == 1)
1384 ha->nvram_base = 0x80;
1385
1386 /* Get NVRAM data and calculate checksum. */
0107109e
AV		 1387 ha->isp_ops.read_nvram(ha, ptr, ha->nvram_base, ha->nvram_size);
1388 for (cnt = 0, chksum = 0; cnt < ha->nvram_size; cnt++)
1389 chksum += *ptr++;
1da177e4
LT		 1390
1391 DEBUG5(printk("scsi(%ld): Contents of NVRAM\n", ha->host_no));
1392 DEBUG5(qla2x00_dump_buffer((uint8_t *)ha->request_ring,
0107109e 1393 ha->nvram_size));
1da177e4
LT		 1394
1395 /* Bad NVRAM data, set defaults parameters. */
1396 if (chksum || nv->id[0] != 'I' || nv->id[1] != 'S' ||
1397 nv->id[2] != 'P' || nv->id[3] != ' ' || nv->nvram_version < 1) {
1398 /* Reset NVRAM data. */
1399 qla_printk(KERN_WARNING, ha, "Inconsistent NVRAM detected: "
1400 "checksum=0x%x id=%c version=0x%x.\n", chksum, nv->id[0],
1401 nv->nvram_version);
1402 qla_printk(KERN_WARNING, ha, "Falling back to functioning (yet "
1403 "invalid -- WWPN) defaults.\n");
1404
1405 /*
1406 * Set default initialization control block.
1407 */
0107109e 1408 memset(nv, 0, ha->nvram_size);
1da177e4
LT		 1409 nv->parameter_block_version = ICB_VERSION;
1410
1411 if (IS_QLA23XX(ha)) {
1412 nv->firmware_options[0] = BIT_2 | BIT_1;
1413 nv->firmware_options[1] = BIT_7 | BIT_5;
1414 nv->add_firmware_options[0] = BIT_5;
1415 nv->add_firmware_options[1] = BIT_5 | BIT_4;
1416 nv->frame_payload_size = __constant_cpu_to_le16(2048);
1417 nv->special_options[1] = BIT_7;
1418 } else if (IS_QLA2200(ha)) {
1419 nv->firmware_options[0] = BIT_2 | BIT_1;
1420 nv->firmware_options[1] = BIT_7 | BIT_5;
1421 nv->add_firmware_options[0] = BIT_5;
1422 nv->add_firmware_options[1] = BIT_5 | BIT_4;
1423 nv->frame_payload_size = __constant_cpu_to_le16(1024);
1424 } else if (IS_QLA2100(ha)) {
1425 nv->firmware_options[0] = BIT_3 | BIT_1;
1426 nv->firmware_options[1] = BIT_5;
1427 nv->frame_payload_size = __constant_cpu_to_le16(1024);
1428 }
1429
1430 nv->max_iocb_allocation = __constant_cpu_to_le16(256);
1431 nv->execution_throttle = __constant_cpu_to_le16(16);
1432 nv->retry_count = 8;
1433 nv->retry_delay = 1;
1434
1435 nv->port_name[0] = 33;
1436 nv->port_name[3] = 224;
1437 nv->port_name[4] = 139;
1438
1439 nv->login_timeout = 4;
1440
1441 /*
1442 * Set default host adapter parameters
1443 */
1444 nv->host_p[1] = BIT_2;
1445 nv->reset_delay = 5;
1446 nv->port_down_retry_count = 8;
1447 nv->max_luns_per_target = __constant_cpu_to_le16(8);
1448 nv->link_down_timeout = 60;
1449
1450 rval = 1;
1451 }
1452
1453#if defined(CONFIG_IA64_GENERIC) || defined(CONFIG_IA64_SGI_SN2)
1454 /*
1455 * The SN2 does not provide BIOS emulation which means you can't change
1456 * potentially bogus BIOS settings. Force the use of default settings
1457 * for link rate and frame size. Hope that the rest of the settings
1458 * are valid.
1459 */
1460 if (ia64_platform_is("sn2")) {
1461 nv->frame_payload_size = __constant_cpu_to_le16(2048);
1462 if (IS_QLA23XX(ha))
1463 nv->special_options[1] = BIT_7;
1464 }
1465#endif
1466
1467 /* Reset Initialization control block */
0107109e 1468 memset(icb, 0, ha->init_cb_size);
1da177e4
LT		 1469
1470 /*
1471 * Setup driver NVRAM options.
1472 */
1473 nv->firmware_options[0] |= (BIT_6 | BIT_1);
1474 nv->firmware_options[0] &= ~(BIT_5 | BIT_4);
1475 nv->firmware_options[1] |= (BIT_5 | BIT_0);
1476 nv->firmware_options[1] &= ~BIT_4;
1477
1478 if (IS_QLA23XX(ha)) {
1479 nv->firmware_options[0] |= BIT_2;
1480 nv->firmware_options[0] &= ~BIT_3;
0107109e 1481 nv->add_firmware_options[1] |= BIT_5 | BIT_4;
1da177e4
LT		 1482
1483 if (IS_QLA2300(ha)) {
1484 if (ha->fb_rev == FPM_2310) {
1485 strcpy(ha->model_number, "QLA2310");
1486 } else {
1487 strcpy(ha->model_number, "QLA2300");
1488 }
1489 } else {
1490 if (rval == 0 &&
1491 memcmp(nv->model_number, BINZERO,
1492 sizeof(nv->model_number)) != 0) {
1493 char *st, *en;
1494
1495 strncpy(ha->model_number, nv->model_number,
1496 sizeof(nv->model_number));
1497 st = en = ha->model_number;
1498 en += sizeof(nv->model_number) - 1;
1499 while (en > st) {
1500 if (*en != 0x20 && *en != 0x00)
1501 break;
1502 *en-- = '\0';
1503 }
1504 } else {
1505 uint16_t index;
1506
1507 index = (ha->pdev->subsystem_device & 0xff);
1508 if (index < QLA_MODEL_NAMES) {
1509 strcpy(ha->model_number,
1510 qla2x00_model_name[index]);
1511 ha->model_desc =
1512 qla2x00_model_desc[index];
1513 } else {
1514 strcpy(ha->model_number, "QLA23xx");
1515 }
1516 }
1517 }
1518 } else if (IS_QLA2200(ha)) {
1519 nv->firmware_options[0] |= BIT_2;
1520 /*
1521 * 'Point-to-point preferred, else loop' is not a safe
1522 * connection mode setting.
1523 */
1524 if ((nv->add_firmware_options[0] & (BIT_6 | BIT_5 | BIT_4)) ==
1525 (BIT_5 | BIT_4)) {
1526 /* Force 'loop preferred, else point-to-point'. */
1527 nv->add_firmware_options[0] &= ~(BIT_6 | BIT_5 | BIT_4);
1528 nv->add_firmware_options[0] |= BIT_5;
1529 }
1530 strcpy(ha->model_number, "QLA22xx");
1531 } else /*if (IS_QLA2100(ha))*/ {
1532 strcpy(ha->model_number, "QLA2100");
1533 }
1534
1535 /*
1536 * Copy over NVRAM RISC parameter block to initialization control block.
1537 */
1538 dptr1 = (uint8_t *)icb;
1539 dptr2 = (uint8_t *)&nv->parameter_block_version;
1540 cnt = (uint8_t *)&icb->request_q_outpointer - (uint8_t *)&icb->version;
1541 while (cnt--)
1542 *dptr1++ = *dptr2++;
1543
1544 /* Copy 2nd half. */
1545 dptr1 = (uint8_t *)icb->add_firmware_options;
1546 cnt = (uint8_t *)icb->reserved_3 - (uint8_t *)icb->add_firmware_options;
1547 while (cnt--)
1548 *dptr1++ = *dptr2++;
1549
1550 /* Prepare nodename */
1551 if ((icb->firmware_options[1] & BIT_6) == 0) {
1552 /*
1553 * Firmware will apply the following mask if the nodename was
1554 * not provided.
1555 */
1556 memcpy(icb->node_name, icb->port_name, WWN_SIZE);
1557 icb->node_name[0] &= 0xF0;
1558 }
1559
1560 /*
1561 * Set host adapter parameters.
1562 */
1da177e4
LT		 1563 ha->flags.disable_risc_code_load = ((nv->host_p[0] & BIT_4) ? 1 : 0);
1564 /* Always load RISC code on non ISP2[12]00 chips. */
1565 if (!IS_QLA2100(ha) && !IS_QLA2200(ha))
1566 ha->flags.disable_risc_code_load = 0;
1567 ha->flags.enable_lip_reset = ((nv->host_p[1] & BIT_1) ? 1 : 0);
1568 ha->flags.enable_lip_full_login = ((nv->host_p[1] & BIT_2) ? 1 : 0);
1569 ha->flags.enable_target_reset = ((nv->host_p[1] & BIT_3) ? 1 : 0);
06c22bd1 1570 ha->flags.enable_led_scheme = (nv->special_options[1] & BIT_4) ? 1 : 0;
1da177e4
LT		 1571
1572 ha->operating_mode =
1573 (icb->add_firmware_options[0] & (BIT_6 | BIT_5 | BIT_4)) >> 4;
1574
1575 memcpy(ha->fw_seriallink_options, nv->seriallink_options,
1576 sizeof(ha->fw_seriallink_options));
1577
1578 /* save HBA serial number */
1579 ha->serial0 = icb->port_name[5];
1580 ha->serial1 = icb->port_name[6];
1581 ha->serial2 = icb->port_name[7];
3d71644c
AV		 1582 ha->node_name = icb->node_name;
1583 ha->port_name = icb->port_name;
1da177e4
LT		 1584
1585 icb->execution_throttle = __constant_cpu_to_le16(0xFFFF);
1586
1587 ha->retry_count = nv->retry_count;
1588
1589 /* Set minimum login_timeout to 4 seconds. */
1590 if (nv->login_timeout < ql2xlogintimeout)
1591 nv->login_timeout = ql2xlogintimeout;
1592 if (nv->login_timeout < 4)
1593 nv->login_timeout = 4;
1594 ha->login_timeout = nv->login_timeout;
1595 icb->login_timeout = nv->login_timeout;
1596
1597 /* Set minimum RATOV to 200 tenths of a second. */
1598 ha->r_a_tov = 200;
1599
1da177e4
LT		 1600 ha->loop_reset_delay = nv->reset_delay;
1601
1da177e4
LT		 1602 /* Link Down Timeout = 0:
1603 *
1604 * When Port Down timer expires we will start returning
1605 * I/O's to OS with "DID_NO_CONNECT".
1606 *
1607 * Link Down Timeout != 0:
1608 *
1609 * The driver waits for the link to come up after link down
1610 * before returning I/Os to OS with "DID_NO_CONNECT".
fa2a1ce5 1611 */
1da177e4
LT		 1612 if (nv->link_down_timeout == 0) {
1613 ha->loop_down_abort_time =
354d6b21 1614 (LOOP_DOWN_TIME - LOOP_DOWN_TIMEOUT);
1da177e4
LT		 1615 } else {
1616 ha->link_down_timeout = nv->link_down_timeout;
1617 ha->loop_down_abort_time =
1618 (LOOP_DOWN_TIME - ha->link_down_timeout);
fa2a1ce5 1619 }
1da177e4 1620
1da177e4
LT		 1621 /*
1622 * Need enough time to try and get the port back.
1623 */
1624 ha->port_down_retry_count = nv->port_down_retry_count;
1625 if (qlport_down_retry)
1626 ha->port_down_retry_count = qlport_down_retry;
1627 /* Set login_retry_count */
1628 ha->login_retry_count = nv->retry_count;
1629 if (ha->port_down_retry_count == nv->port_down_retry_count &&
1630 ha->port_down_retry_count > 3)
1631 ha->login_retry_count = ha->port_down_retry_count;
1632 else if (ha->port_down_retry_count > (int)ha->login_retry_count)
1633 ha->login_retry_count = ha->port_down_retry_count;
1634 if (ql2xloginretrycount)
1635 ha->login_retry_count = ql2xloginretrycount;
1636
1da177e4
LT		 1637 icb->lun_enables = __constant_cpu_to_le16(0);
1638 icb->command_resource_count = 0;
1639 icb->immediate_notify_resource_count = 0;
1640 icb->timeout = __constant_cpu_to_le16(0);
1641
1642 if (IS_QLA2100(ha) || IS_QLA2200(ha)) {
1643 /* Enable RIO */
1644 icb->firmware_options[0] &= ~BIT_3;
1645 icb->add_firmware_options[0] &=
1646 ~(BIT_3 | BIT_2 | BIT_1 | BIT_0);
1647 icb->add_firmware_options[0] |= BIT_2;
1648 icb->response_accumulation_timer = 3;
1649 icb->interrupt_delay_timer = 5;
1650
1651 ha->flags.process_response_queue = 1;
1652 } else {
1653 /* Enable ZIO -- Support mode 5 only. */
1654 timer_mode = icb->add_firmware_options[0] &
1655 (BIT_3 | BIT_2 | BIT_1 | BIT_0);
1656 icb->add_firmware_options[0] &=
1657 ~(BIT_3 | BIT_2 | BIT_1 | BIT_0);
1658 if (ql2xenablezio)
1659 timer_mode = BIT_2 | BIT_0;
1660 if (timer_mode == (BIT_2 | BIT_0)) {
1661 DEBUG2(printk("scsi(%ld): ZIO enabled; timer delay "
1662 "(%d).\n", ha->host_no, ql2xintrdelaytimer));
1663 qla_printk(KERN_INFO, ha,
1664 "ZIO enabled; timer delay (%d).\n",
1665 ql2xintrdelaytimer);
1666
1667 icb->add_firmware_options[0] |= timer_mode;
1668 icb->interrupt_delay_timer = ql2xintrdelaytimer;
1669 ha->flags.process_response_queue = 1;
1670 }
1671 }
1672
1673 if (rval) {
1674 DEBUG2_3(printk(KERN_WARNING
1675 "scsi(%ld): NVRAM configuration failed!\n", ha->host_no));
1676 }
1677 return (rval);
1678}
1679
1da177e4
LT		 1680/**
1681 * qla2x00_alloc_fcport() - Allocate a generic fcport.
1682 * @ha: HA context
1683 * @flags: allocation flags
1684 *
1685 * Returns a pointer to the allocated fcport, or NULL, if none available.
1686 */
1687fc_port_t *
c53033f6 1688qla2x00_alloc_fcport(scsi_qla_host_t *ha, gfp_t flags)
1da177e4
LT		 1689{
1690 fc_port_t *fcport;
1691
1692 fcport = kmalloc(sizeof(fc_port_t), flags);
1693 if (fcport == NULL)
1694 return (fcport);
1695
1696 /* Setup fcport template structure. */
1697 memset(fcport, 0, sizeof (fc_port_t));
1698 fcport->ha = ha;
1699 fcport->port_type = FCT_UNKNOWN;
1700 fcport->loop_id = FC_NO_LOOP_ID;
1701 fcport->iodesc_idx_sent = IODESC_INVALID_INDEX;
1702 atomic_set(&fcport->state, FCS_UNCONFIGURED);
1703 fcport->flags = FCF_RLC_SUPPORT;
ad3e0eda 1704 fcport->supported_classes = FC_COS_UNSPECIFIED;
1da177e4
LT		 1705
1706 return (fcport);
1707}
1708
1709/*
1710 * qla2x00_configure_loop
1711 * Updates Fibre Channel Device Database with what is actually on loop.
1712 *
1713 * Input:
1714 * ha = adapter block pointer.
1715 *
1716 * Returns:
1717 * 0 = success.
1718 * 1 = error.
1719 * 2 = database was full and device was not configured.
1720 */
1721static int
fa2a1ce5 1722qla2x00_configure_loop(scsi_qla_host_t *ha)
1da177e4
LT		 1723{
1724 int rval;
1725 unsigned long flags, save_flags;
1726
1727 rval = QLA_SUCCESS;
1728
1729 /* Get Initiator ID */
1730 if (test_bit(LOCAL_LOOP_UPDATE, &ha->dpc_flags)) {
1731 rval = qla2x00_configure_hba(ha);
1732 if (rval != QLA_SUCCESS) {
1733 DEBUG(printk("scsi(%ld): Unable to configure HBA.\n",
1734 ha->host_no));
1735 return (rval);
1736 }
1737 }
1738
1739 save_flags = flags = ha->dpc_flags;
1740 DEBUG(printk("scsi(%ld): Configure loop -- dpc flags =0x%lx\n",
1741 ha->host_no, flags));
1742
1743 /*
1744 * If we have both an RSCN and PORT UPDATE pending then handle them
1745 * both at the same time.
1746 */
1747 clear_bit(LOCAL_LOOP_UPDATE, &ha->dpc_flags);
1748 clear_bit(RSCN_UPDATE, &ha->dpc_flags);
1da177e4
LT		 1749
1750 /* Determine what we need to do */
1751 if (ha->current_topology == ISP_CFG_FL &&
1752 (test_bit(LOCAL_LOOP_UPDATE, &flags))) {
1753
1754 ha->flags.rscn_queue_overflow = 1;
1755 set_bit(RSCN_UPDATE, &flags);
1756
1757 } else if (ha->current_topology == ISP_CFG_F &&
1758 (test_bit(LOCAL_LOOP_UPDATE, &flags))) {
1759
1760 ha->flags.rscn_queue_overflow = 1;
1761 set_bit(RSCN_UPDATE, &flags);
1762 clear_bit(LOCAL_LOOP_UPDATE, &flags);
1763
1764 } else if (!ha->flags.online ||
1765 (test_bit(ABORT_ISP_ACTIVE, &flags))) {
1766
1767 ha->flags.rscn_queue_overflow = 1;
1768 set_bit(RSCN_UPDATE, &flags);
1769 set_bit(LOCAL_LOOP_UPDATE, &flags);
1770 }
1771
1772 if (test_bit(LOCAL_LOOP_UPDATE, &flags)) {
1773 if (test_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags)) {
1774 rval = QLA_FUNCTION_FAILED;
1775 } else {
1776 rval = qla2x00_configure_local_loop(ha);
1777 }
1778 }
1779
1780 if (rval == QLA_SUCCESS && test_bit(RSCN_UPDATE, &flags)) {
1781 if (test_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags)) {
1782 rval = QLA_FUNCTION_FAILED;
1783 } else {
1784 rval = qla2x00_configure_fabric(ha);
1785 }
1786 }
1787
1788 if (rval == QLA_SUCCESS) {
1789 if (atomic_read(&ha->loop_down_timer) ||
1790 test_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags)) {
1791 rval = QLA_FUNCTION_FAILED;
1792 } else {
1da177e4
LT		 1793 atomic_set(&ha->loop_state, LOOP_READY);
1794
1795 DEBUG(printk("scsi(%ld): LOOP READY\n", ha->host_no));
1796 }
1797 }
1798
1799 if (rval) {
1800 DEBUG2_3(printk("%s(%ld): *** FAILED ***\n",
1801 __func__, ha->host_no));
1802 } else {
1803 DEBUG3(printk("%s: exiting normally\n", __func__));
1804 }
1805
1806 /* Restore state if a resync event occured during processing */
1807 if (test_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags)) {
1808 if (test_bit(LOCAL_LOOP_UPDATE, &save_flags))
1809 set_bit(LOCAL_LOOP_UPDATE, &ha->dpc_flags);
1810 if (test_bit(RSCN_UPDATE, &save_flags))
1811 set_bit(RSCN_UPDATE, &ha->dpc_flags);
1812 }
1813
1814 return (rval);
1815}
1816
1817
1818
1819/*
1820 * qla2x00_configure_local_loop
1821 * Updates Fibre Channel Device Database with local loop devices.
1822 *
1823 * Input:
1824 * ha = adapter block pointer.
1825 *
1826 * Returns:
1827 * 0 = success.
1828 */
1829static int
fa2a1ce5 1830qla2x00_configure_local_loop(scsi_qla_host_t *ha)
1da177e4
LT		 1831{
1832 int rval, rval2;
1833 int found_devs;
1834 int found;
1835 fc_port_t *fcport, *new_fcport;
1836
1837 uint16_t index;
1838 uint16_t entries;
1839 char *id_iter;
1840 uint16_t loop_id;
1841 uint8_t domain, area, al_pa;
1842
1843 found_devs = 0;
1844 new_fcport = NULL;
1845 entries = MAX_FIBRE_DEVICES;
1846
1847 DEBUG3(printk("scsi(%ld): Getting FCAL position map\n", ha->host_no));
1848 DEBUG3(qla2x00_get_fcal_position_map(ha, NULL));
1849
1850 /* Get list of logged in devices. */
1851 memset(ha->gid_list, 0, GID_LIST_SIZE);
1852 rval = qla2x00_get_id_list(ha, ha->gid_list, ha->gid_list_dma,
1853 &entries);
1854 if (rval != QLA_SUCCESS)
1855 goto cleanup_allocation;
1856
1857 DEBUG3(printk("scsi(%ld): Entries in ID list (%d)\n",
1858 ha->host_no, entries));
1859 DEBUG3(qla2x00_dump_buffer((uint8_t *)ha->gid_list,
1860 entries * sizeof(struct gid_list_info)));
1861
1862 /* Allocate temporary fcport for any new fcports discovered. */
1863 new_fcport = qla2x00_alloc_fcport(ha, GFP_KERNEL);
1864 if (new_fcport == NULL) {
1865 rval = QLA_MEMORY_ALLOC_FAILED;
1866 goto cleanup_allocation;
1867 }
1868 new_fcport->flags &= ~FCF_FABRIC_DEVICE;
1869
1870 /*
1871 * Mark local devices that were present with FCF_DEVICE_LOST for now.
1872 */
1873 list_for_each_entry(fcport, &ha->fcports, list) {
1874 if (atomic_read(&fcport->state) == FCS_ONLINE &&
1875 fcport->port_type != FCT_BROADCAST &&
1876 (fcport->flags & FCF_FABRIC_DEVICE) == 0) {
1877
1878 DEBUG(printk("scsi(%ld): Marking port lost, "
1879 "loop_id=0x%04x\n",
1880 ha->host_no, fcport->loop_id));
1881
1882 atomic_set(&fcport->state, FCS_DEVICE_LOST);
1883 fcport->flags &= ~FCF_FARP_DONE;
1884 }
1885 }
1886
1887 /* Add devices to port list. */
1888 id_iter = (char *)ha->gid_list;
1889 for (index = 0; index < entries; index++) {
1890 domain = ((struct gid_list_info *)id_iter)->domain;
1891 area = ((struct gid_list_info *)id_iter)->area;
1892 al_pa = ((struct gid_list_info *)id_iter)->al_pa;
abbd8870 1893 if (IS_QLA2100(ha) || IS_QLA2200(ha))
1da177e4
LT		 1894 loop_id = (uint16_t)
1895 ((struct gid_list_info *)id_iter)->loop_id_2100;
abbd8870 1896 else
1da177e4
LT		 1897 loop_id = le16_to_cpu(
1898 ((struct gid_list_info *)id_iter)->loop_id);
abbd8870 1899 id_iter += ha->gid_list_info_size;
1da177e4
LT		 1900
1901 /* Bypass reserved domain fields. */
1902 if ((domain & 0xf0) == 0xf0)
1903 continue;
1904
1905 /* Bypass if not same domain and area of adapter. */
f7d289f6
AV		 1906 if (area && domain &&
1907 (area != ha->d_id.b.area || domain != ha->d_id.b.domain))
1da177e4
LT		 1908 continue;
1909
1910 /* Bypass invalid local loop ID. */
1911 if (loop_id > LAST_LOCAL_LOOP_ID)
1912 continue;
1913
1914 /* Fill in member data. */
1915 new_fcport->d_id.b.domain = domain;
1916 new_fcport->d_id.b.area = area;
1917 new_fcport->d_id.b.al_pa = al_pa;
1918 new_fcport->loop_id = loop_id;
1919 rval2 = qla2x00_get_port_database(ha, new_fcport, 0);
1920 if (rval2 != QLA_SUCCESS) {
1921 DEBUG2(printk("scsi(%ld): Failed to retrieve fcport "
1922 "information -- get_port_database=%x, "
1923 "loop_id=0x%04x\n",
1924 ha->host_no, rval2, new_fcport->loop_id));
1925 continue;
1926 }
1927
1928 /* Check for matching device in port list. */
1929 found = 0;
1930 fcport = NULL;
1931 list_for_each_entry(fcport, &ha->fcports, list) {
1932 if (memcmp(new_fcport->port_name, fcport->port_name,
1933 WWN_SIZE))
1934 continue;
1935
1936 fcport->flags &= ~(FCF_FABRIC_DEVICE |
1937 FCF_PERSISTENT_BOUND);
1938 fcport->loop_id = new_fcport->loop_id;
1939 fcport->port_type = new_fcport->port_type;
1940 fcport->d_id.b24 = new_fcport->d_id.b24;
1941 memcpy(fcport->node_name, new_fcport->node_name,
1942 WWN_SIZE);
1943
1944 found++;
1945 break;
1946 }
1947
1948 if (!found) {
1949 /* New device, add to fcports list. */
1950 new_fcport->flags &= ~FCF_PERSISTENT_BOUND;
1951 list_add_tail(&new_fcport->list, &ha->fcports);
1952
1953 /* Allocate a new replacement fcport. */
1954 fcport = new_fcport;
1955 new_fcport = qla2x00_alloc_fcport(ha, GFP_KERNEL);
1956 if (new_fcport == NULL) {
1957 rval = QLA_MEMORY_ALLOC_FAILED;
1958 goto cleanup_allocation;
1959 }
1960 new_fcport->flags &= ~FCF_FABRIC_DEVICE;
1961 }
1962
1963 qla2x00_update_fcport(ha, fcport);
1964
1965 found_devs++;
1966 }
1967
1968cleanup_allocation:
1969 if (new_fcport)
1970 kfree(new_fcport);
1971
1972 if (rval != QLA_SUCCESS) {
1973 DEBUG2(printk("scsi(%ld): Configure local loop error exit: "
1974 "rval=%x\n", ha->host_no, rval));
1975 }
1976
1977 if (found_devs) {
1978 ha->device_flags |= DFLG_LOCAL_DEVICES;
1979 ha->device_flags &= ~DFLG_RETRY_LOCAL_DEVICES;
1980 }
1981
1982 return (rval);
1983}
1984
1985static void
fa2a1ce5 1986qla2x00_probe_for_all_luns(scsi_qla_host_t *ha)
1da177e4
LT		 1987{
1988 fc_port_t *fcport;
1989
fa2a1ce5 1990 qla2x00_mark_all_devices_lost(ha);
1da177e4
LT		 1991 list_for_each_entry(fcport, &ha->fcports, list) {
1992 if (fcport->port_type != FCT_TARGET)
1993 continue;
1994
fa2a1ce5 1995 qla2x00_update_fcport(ha, fcport);
1da177e4
LT		 1996 }
1997}
1998
1999/*
2000 * qla2x00_update_fcport
2001 * Updates device on list.
2002 *
2003 * Input:
2004 * ha = adapter block pointer.
2005 * fcport = port structure pointer.
2006 *
2007 * Return:
2008 * 0 - Success
2009 * BIT_0 - error
2010 *
2011 * Context:
2012 * Kernel context.
2013 */
2014static void
2015qla2x00_update_fcport(scsi_qla_host_t *ha, fc_port_t *fcport)
2016{
2017 uint16_t index;
2018 unsigned long flags;
2019 srb_t *sp;
2020
2021 fcport->ha = ha;
2022 fcport->login_retry = 0;
2023 fcport->port_login_retry_count = ha->port_down_retry_count *
2024 PORT_RETRY_TIME;
2025 atomic_set(&fcport->port_down_timer, ha->port_down_retry_count *
2026 PORT_RETRY_TIME);
2027 fcport->flags &= ~FCF_LOGIN_NEEDED;
2028
2029 /*
2030 * Check for outstanding cmd on tape Bypass LUN discovery if active
2031 * command on tape.
2032 */
2033 if (fcport->flags & FCF_TAPE_PRESENT) {
2034 spin_lock_irqsave(&ha->hardware_lock, flags);
2035 for (index = 1; index < MAX_OUTSTANDING_COMMANDS; index++) {
bdf79621 2036 fc_port_t *sfcp;
2037
1da177e4 2038 if ((sp = ha->outstanding_cmds[index]) != 0) {
bdf79621 2039 sfcp = sp->fcport;
2040 if (sfcp == fcport) {
1da177e4
LT		 2041 atomic_set(&fcport->state, FCS_ONLINE);
2042 spin_unlock_irqrestore(
2043 &ha->hardware_lock, flags);
2044 return;
2045 }
2046 }
2047 }
2048 spin_unlock_irqrestore(&ha->hardware_lock, flags);
2049 }
2050
1da177e4 2051 if (fcport->port_type == FCT_INITIATOR ||
bdf79621 2052 fcport->port_type == FCT_BROADCAST)
1da177e4 2053 fcport->device_type = TYPE_PROCESSOR;
bdf79621 2054
1da177e4 2055 atomic_set(&fcport->state, FCS_ONLINE);
bdf79621 2056
8482e118 2057 if (ha->flags.init_done)
2058 qla2x00_reg_remote_port(ha, fcport);
1da177e4
LT		 2059}
2060
8482e118 2061void
2062qla2x00_reg_remote_port(scsi_qla_host_t *ha, fc_port_t *fcport)
2063{
2064 struct fc_rport_identifiers rport_ids;
bdf79621 2065 struct fc_rport *rport;
8482e118 2066
2067 if (fcport->rport) {
2068 fc_remote_port_unblock(fcport->rport);
2069 return;
2070 }
2071
f8b02a85
AV		 2072 rport_ids.node_name = wwn_to_u64(fcport->node_name);
2073 rport_ids.port_name = wwn_to_u64(fcport->port_name);
8482e118 2074 rport_ids.port_id = fcport->d_id.b.domain << 16 |
2075 fcport->d_id.b.area << 8 | fcport->d_id.b.al_pa;
77d74143
AV		 2076 rport_ids.roles = FC_RPORT_ROLE_UNKNOWN;
2077 fcport->rport = rport = fc_remote_port_add(ha->host, 0, &rport_ids);
2078 if (!rport) {
2079 qla_printk(KERN_WARNING, ha,
2080 "Unable to allocate fc remote port!\n");
2081 return;
2082 }
2083 rport->dd_data = fcport;
ad3e0eda 2084 rport->supported_classes = fcport->supported_classes;
77d74143 2085
8482e118 2086 rport_ids.roles = FC_RPORT_ROLE_UNKNOWN;
2087 if (fcport->port_type == FCT_INITIATOR)
2088 rport_ids.roles |= FC_RPORT_ROLE_FCP_INITIATOR;
2089 if (fcport->port_type == FCT_TARGET)
2090 rport_ids.roles |= FC_RPORT_ROLE_FCP_TARGET;
77d74143 2091 fc_remote_port_rolechg(rport, rport_ids.roles);
1da177e4 2092
cc4731f5
AV		 2093 if (rport->scsi_target_id != -1 &&
2094 rport->scsi_target_id < ha->host->max_id)
bdf79621 2095 fcport->os_target_id = rport->scsi_target_id;
1da177e4
LT		 2096}
2097
1da177e4
LT		 2098/*
2099 * qla2x00_configure_fabric
2100 * Setup SNS devices with loop ID's.
2101 *
2102 * Input:
2103 * ha = adapter block pointer.
2104 *
2105 * Returns:
2106 * 0 = success.
2107 * BIT_0 = error
2108 */
2109static int
2110qla2x00_configure_fabric(scsi_qla_host_t *ha)
2111{
2112 int rval, rval2;
2113 fc_port_t *fcport, *fcptemp;
2114 uint16_t next_loopid;
2115 uint16_t mb[MAILBOX_REGISTER_COUNT];
0107109e 2116 uint16_t loop_id;
1da177e4
LT		 2117 LIST_HEAD(new_fcports);
2118
2119 /* If FL port exists, then SNS is present */
0107109e
AV		 2120 if (IS_QLA24XX(ha) || IS_QLA25XX(ha))
2121 loop_id = NPH_F_PORT;
2122 else
2123 loop_id = SNS_FL_PORT;
2124 rval = qla2x00_get_port_name(ha, loop_id, NULL, 0);
1da177e4
LT		 2125 if (rval != QLA_SUCCESS) {
2126 DEBUG2(printk("scsi(%ld): MBC_GET_PORT_NAME Failed, No FL "
2127 "Port\n", ha->host_no));
2128
2129 ha->device_flags &= ~SWITCH_FOUND;
2130 return (QLA_SUCCESS);
2131 }
2132
2133 /* Mark devices that need re-synchronization. */
2134 rval2 = qla2x00_device_resync(ha);
2135 if (rval2 == QLA_RSCNS_HANDLED) {
2136 /* No point doing the scan, just continue. */
2137 return (QLA_SUCCESS);
2138 }
2139 do {
cca5335c
AV		 2140 /* FDMI support. */
2141 if (ql2xfdmienable &&
2142 test_and_clear_bit(REGISTER_FDMI_NEEDED, &ha->dpc_flags))
2143 qla2x00_fdmi_register(ha);
2144
1da177e4 2145 /* Ensure we are logged into the SNS. */
0107109e
AV		 2146 if (IS_QLA24XX(ha) || IS_QLA25XX(ha))
2147 loop_id = NPH_SNS;
2148 else
2149 loop_id = SIMPLE_NAME_SERVER;
2150 ha->isp_ops.fabric_login(ha, loop_id, 0xff, 0xff,
abbd8870 2151 0xfc, mb, BIT_1 | BIT_0);
1da177e4
LT		 2152 if (mb[0] != MBS_COMMAND_COMPLETE) {
2153 DEBUG2(qla_printk(KERN_INFO, ha,
2154 "Failed SNS login: loop_id=%x mb[0]=%x mb[1]=%x "
0107109e 2155 "mb[2]=%x mb[6]=%x mb[7]=%x\n", loop_id,
1da177e4
LT		 2156 mb[0], mb[1], mb[2], mb[6], mb[7]));
2157 return (QLA_SUCCESS);
2158 }
2159
2160 if (test_and_clear_bit(REGISTER_FC4_NEEDED, &ha->dpc_flags)) {
2161 if (qla2x00_rft_id(ha)) {
2162 /* EMPTY */
2163 DEBUG2(printk("scsi(%ld): Register FC-4 "
2164 "TYPE failed.\n", ha->host_no));
2165 }
2166 if (qla2x00_rff_id(ha)) {
2167 /* EMPTY */
2168 DEBUG2(printk("scsi(%ld): Register FC-4 "
2169 "Features failed.\n", ha->host_no));
2170 }
2171 if (qla2x00_rnn_id(ha)) {
2172 /* EMPTY */
2173 DEBUG2(printk("scsi(%ld): Register Node Name "
2174 "failed.\n", ha->host_no));
2175 } else if (qla2x00_rsnn_nn(ha)) {
2176 /* EMPTY */
2177 DEBUG2(printk("scsi(%ld): Register Symbolic "
2178 "Node Name failed.\n", ha->host_no));
2179 }
2180 }
2181
2182 rval = qla2x00_find_all_fabric_devs(ha, &new_fcports);
2183 if (rval != QLA_SUCCESS)
2184 break;
2185
2186 /*
2187 * Logout all previous fabric devices marked lost, except
2188 * tape devices.
2189 */
2190 list_for_each_entry(fcport, &ha->fcports, list) {
2191 if (test_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags))
2192 break;
2193
2194 if ((fcport->flags & FCF_FABRIC_DEVICE) == 0)
2195 continue;
2196
2197 if (atomic_read(&fcport->state) == FCS_DEVICE_LOST) {
2198 qla2x00_mark_device_lost(ha, fcport,
2199 ql2xplogiabsentdevice);
2200 if (fcport->loop_id != FC_NO_LOOP_ID &&
2201 (fcport->flags & FCF_TAPE_PRESENT) == 0 &&
2202 fcport->port_type != FCT_INITIATOR &&
2203 fcport->port_type != FCT_BROADCAST) {
2204
abbd8870 2205 ha->isp_ops.fabric_logout(ha,
1c7c6357
AV		 2206 fcport->loop_id,
2207 fcport->d_id.b.domain,
2208 fcport->d_id.b.area,
2209 fcport->d_id.b.al_pa);
1da177e4
LT		 2210 fcport->loop_id = FC_NO_LOOP_ID;
2211 }
2212 }
2213 }
2214
2215 /* Starting free loop ID. */
2216 next_loopid = ha->min_external_loopid;
2217
2218 /*
2219 * Scan through our port list and login entries that need to be
2220 * logged in.
2221 */
2222 list_for_each_entry(fcport, &ha->fcports, list) {
2223 if (atomic_read(&ha->loop_down_timer) ||
2224 test_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags))
2225 break;
2226
2227 if ((fcport->flags & FCF_FABRIC_DEVICE) == 0 ||
2228 (fcport->flags & FCF_LOGIN_NEEDED) == 0)
2229 continue;
2230
2231 if (fcport->loop_id == FC_NO_LOOP_ID) {
2232 fcport->loop_id = next_loopid;
2233 rval = qla2x00_find_new_loop_id(ha, fcport);
2234 if (rval != QLA_SUCCESS) {
2235 /* Ran out of IDs to use */
2236 break;
2237 }
2238 }
1da177e4
LT		 2239 /* Login and update database */
2240 qla2x00_fabric_dev_login(ha, fcport, &next_loopid);
2241 }
2242
2243 /* Exit if out of loop IDs. */
2244 if (rval != QLA_SUCCESS) {
2245 break;
2246 }
2247
2248 /*
2249 * Login and add the new devices to our port list.
2250 */
2251 list_for_each_entry_safe(fcport, fcptemp, &new_fcports, list) {
2252 if (atomic_read(&ha->loop_down_timer) ||
2253 test_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags))
2254 break;
2255
2256 /* Find a new loop ID to use. */
2257 fcport->loop_id = next_loopid;
2258 rval = qla2x00_find_new_loop_id(ha, fcport);
2259 if (rval != QLA_SUCCESS) {
2260 /* Ran out of IDs to use */
2261 break;
2262 }
2263
1da177e4
LT		 2264 /* Remove device from the new list and add it to DB */
2265 list_del(&fcport->list);
2266 list_add_tail(&fcport->list, &ha->fcports);
bdf79621 2267
2268 /* Login and update database */
2269 qla2x00_fabric_dev_login(ha, fcport, &next_loopid);
1da177e4
LT		 2270 }
2271 } while (0);
2272
2273 /* Free all new device structures not processed. */
2274 list_for_each_entry_safe(fcport, fcptemp, &new_fcports, list) {
2275 list_del(&fcport->list);
2276 kfree(fcport);
2277 }
2278
2279 if (rval) {
2280 DEBUG2(printk("scsi(%ld): Configure fabric error exit: "
2281 "rval=%d\n", ha->host_no, rval));
2282 }
2283
2284 return (rval);
2285}
2286
2287
2288/*
2289 * qla2x00_find_all_fabric_devs
2290 *
2291 * Input:
2292 * ha = adapter block pointer.
2293 * dev = database device entry pointer.
2294 *
2295 * Returns:
2296 * 0 = success.
2297 *
2298 * Context:
2299 * Kernel context.
2300 */
2301static int
2302qla2x00_find_all_fabric_devs(scsi_qla_host_t *ha, struct list_head *new_fcports)
2303{
2304 int rval;
2305 uint16_t loop_id;
2306 fc_port_t *fcport, *new_fcport, *fcptemp;
2307 int found;
2308
2309 sw_info_t *swl;
2310 int swl_idx;
2311 int first_dev, last_dev;
2312 port_id_t wrap, nxt_d_id;
2313
2314 rval = QLA_SUCCESS;
2315
2316 /* Try GID_PT to get device list, else GAN. */
2317 swl = kmalloc(sizeof(sw_info_t) * MAX_FIBRE_DEVICES, GFP_ATOMIC);
2318 if (swl == NULL) {
2319 /*EMPTY*/
2320 DEBUG2(printk("scsi(%ld): GID_PT allocations failed, fallback "
2321 "on GA_NXT\n", ha->host_no));
2322 } else {
2323 memset(swl, 0, sizeof(sw_info_t) * MAX_FIBRE_DEVICES);
2324 if (qla2x00_gid_pt(ha, swl) != QLA_SUCCESS) {
2325 kfree(swl);
2326 swl = NULL;
2327 } else if (qla2x00_gpn_id(ha, swl) != QLA_SUCCESS) {
2328 kfree(swl);
2329 swl = NULL;
2330 } else if (qla2x00_gnn_id(ha, swl) != QLA_SUCCESS) {
2331 kfree(swl);
2332 swl = NULL;
2333 }
2334 }
2335 swl_idx = 0;
2336
2337 /* Allocate temporary fcport for any new fcports discovered. */
2338 new_fcport = qla2x00_alloc_fcport(ha, GFP_KERNEL);
2339 if (new_fcport == NULL) {
2340 if (swl)
2341 kfree(swl);
2342 return (QLA_MEMORY_ALLOC_FAILED);
2343 }
2344 new_fcport->flags |= (FCF_FABRIC_DEVICE | FCF_LOGIN_NEEDED);
2345
2346 /* Set start port ID scan at adapter ID. */
2347 first_dev = 1;
2348 last_dev = 0;
2349
2350 /* Starting free loop ID. */
2351 loop_id = ha->min_external_loopid;
1da177e4 2352 for (; loop_id <= ha->last_loop_id; loop_id++) {
3d71644c 2353 if (qla2x00_is_reserved_id(ha, loop_id))
1da177e4
LT		 2354 continue;
2355
2356 if (atomic_read(&ha->loop_down_timer) ||
2357 test_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags))
2358 break;
2359
2360 if (swl != NULL) {
2361 if (last_dev) {
2362 wrap.b24 = new_fcport->d_id.b24;
2363 } else {
2364 new_fcport->d_id.b24 = swl[swl_idx].d_id.b24;
2365 memcpy(new_fcport->node_name,
2366 swl[swl_idx].node_name, WWN_SIZE);
2367 memcpy(new_fcport->port_name,
2368 swl[swl_idx].port_name, WWN_SIZE);
2369
2370 if (swl[swl_idx].d_id.b.rsvd_1 != 0) {
2371 last_dev = 1;
2372 }
2373 swl_idx++;
2374 }
2375 } else {
2376 /* Send GA_NXT to the switch */
2377 rval = qla2x00_ga_nxt(ha, new_fcport);
2378 if (rval != QLA_SUCCESS) {
2379 qla_printk(KERN_WARNING, ha,
2380 "SNS scan failed -- assuming zero-entry "
2381 "result...\n");
2382 list_for_each_entry_safe(fcport, fcptemp,
2383 new_fcports, list) {
2384 list_del(&fcport->list);
2385 kfree(fcport);
2386 }
2387 rval = QLA_SUCCESS;
2388 break;
2389 }
2390 }
2391
2392 /* If wrap on switch device list, exit. */
2393 if (first_dev) {
2394 wrap.b24 = new_fcport->d_id.b24;
2395 first_dev = 0;
2396 } else if (new_fcport->d_id.b24 == wrap.b24) {
2397 DEBUG2(printk("scsi(%ld): device wrap (%02x%02x%02x)\n",
2398 ha->host_no, new_fcport->d_id.b.domain,
2399 new_fcport->d_id.b.area, new_fcport->d_id.b.al_pa));
2400 break;
2401 }
2402
2403 /* Bypass if host adapter. */
2404 if (new_fcport->d_id.b24 == ha->d_id.b24)
2405 continue;
2406
f7d289f6
AV		 2407 /* Bypass if same domain and area of adapter. */
2408 if (((new_fcport->d_id.b24 & 0xffff00) ==
2409 (ha->d_id.b24 & 0xffff00)) && ha->current_topology ==
2410 ISP_CFG_FL)
2411 continue;
2412
1da177e4
LT		 2413 /* Bypass reserved domain fields. */
2414 if ((new_fcport->d_id.b.domain & 0xf0) == 0xf0)
2415 continue;
2416
2417 /* Locate matching device in database. */
2418 found = 0;
2419 list_for_each_entry(fcport, &ha->fcports, list) {
2420 if (memcmp(new_fcport->port_name, fcport->port_name,
2421 WWN_SIZE))
2422 continue;
2423
2424 found++;
2425
2426 /*
2427 * If address the same and state FCS_ONLINE, nothing
2428 * changed.
2429 */
2430 if (fcport->d_id.b24 == new_fcport->d_id.b24 &&
2431 atomic_read(&fcport->state) == FCS_ONLINE) {
2432 break;
2433 }
2434
2435 /*
2436 * If device was not a fabric device before.
2437 */
2438 if ((fcport->flags & FCF_FABRIC_DEVICE) == 0) {
2439 fcport->d_id.b24 = new_fcport->d_id.b24;
2440 fcport->loop_id = FC_NO_LOOP_ID;
2441 fcport->flags |= (FCF_FABRIC_DEVICE |
2442 FCF_LOGIN_NEEDED);
2443 fcport->flags &= ~FCF_PERSISTENT_BOUND;
2444 break;
2445 }
2446
2447 /*
2448 * Port ID changed or device was marked to be updated;
2449 * Log it out if still logged in and mark it for
2450 * relogin later.
2451 */
2452 fcport->d_id.b24 = new_fcport->d_id.b24;
2453 fcport->flags |= FCF_LOGIN_NEEDED;
2454 if (fcport->loop_id != FC_NO_LOOP_ID &&
2455 (fcport->flags & FCF_TAPE_PRESENT) == 0 &&
2456 fcport->port_type != FCT_INITIATOR &&
2457 fcport->port_type != FCT_BROADCAST) {
1c7c6357
AV		 2458 ha->isp_ops.fabric_logout(ha, fcport->loop_id,
2459 fcport->d_id.b.domain, fcport->d_id.b.area,
2460 fcport->d_id.b.al_pa);
1da177e4
LT		 2461 fcport->loop_id = FC_NO_LOOP_ID;
2462 }
2463
2464 break;
2465 }
2466
2467 if (found)
2468 continue;
2469
2470 /* If device was not in our fcports list, then add it. */
2471 list_add_tail(&new_fcport->list, new_fcports);
2472
2473 /* Allocate a new replacement fcport. */
2474 nxt_d_id.b24 = new_fcport->d_id.b24;
2475 new_fcport = qla2x00_alloc_fcport(ha, GFP_KERNEL);
2476 if (new_fcport == NULL) {
2477 if (swl)
2478 kfree(swl);
2479 return (QLA_MEMORY_ALLOC_FAILED);
2480 }
2481 new_fcport->flags |= (FCF_FABRIC_DEVICE | FCF_LOGIN_NEEDED);
2482 new_fcport->d_id.b24 = nxt_d_id.b24;
2483 }
2484
2485 if (swl)
2486 kfree(swl);
2487
2488 if (new_fcport)
2489 kfree(new_fcport);
2490
2491 if (!list_empty(new_fcports))
2492 ha->device_flags |= DFLG_FABRIC_DEVICES;
2493
2494 return (rval);
2495}
2496
2497/*
2498 * qla2x00_find_new_loop_id
2499 * Scan through our port list and find a new usable loop ID.
2500 *
2501 * Input:
2502 * ha: adapter state pointer.
2503 * dev: port structure pointer.
2504 *
2505 * Returns:
2506 * qla2x00 local function return status code.
2507 *
2508 * Context:
2509 * Kernel context.
2510 */
2511int
2512qla2x00_find_new_loop_id(scsi_qla_host_t *ha, fc_port_t *dev)
2513{
2514 int rval;
2515 int found;
2516 fc_port_t *fcport;
2517 uint16_t first_loop_id;
2518
2519 rval = QLA_SUCCESS;
2520
2521 /* Save starting loop ID. */
2522 first_loop_id = dev->loop_id;
2523
2524 for (;;) {
2525 /* Skip loop ID if already used by adapter. */
2526 if (dev->loop_id == ha->loop_id) {
2527 dev->loop_id++;
2528 }
2529
2530 /* Skip reserved loop IDs. */
3d71644c 2531 while (qla2x00_is_reserved_id(ha, dev->loop_id)) {
1da177e4
LT		 2532 dev->loop_id++;
2533 }
2534
2535 /* Reset loop ID if passed the end. */
2536 if (dev->loop_id > ha->last_loop_id) {
2537 /* first loop ID. */
2538 dev->loop_id = ha->min_external_loopid;
2539 }
2540
2541 /* Check for loop ID being already in use. */
2542 found = 0;
2543 fcport = NULL;
2544 list_for_each_entry(fcport, &ha->fcports, list) {
2545 if (fcport->loop_id == dev->loop_id && fcport != dev) {
2546 /* ID possibly in use */
2547 found++;
2548 break;
2549 }
2550 }
2551
2552 /* If not in use then it is free to use. */
2553 if (!found) {
2554 break;
2555 }
2556
2557 /* ID in use. Try next value. */
2558 dev->loop_id++;
2559
2560 /* If wrap around. No free ID to use. */
2561 if (dev->loop_id == first_loop_id) {
2562 dev->loop_id = FC_NO_LOOP_ID;
2563 rval = QLA_FUNCTION_FAILED;
2564 break;
2565 }
2566 }
2567
2568 return (rval);
2569}
2570
2571/*
2572 * qla2x00_device_resync
2573 * Marks devices in the database that needs resynchronization.
2574 *
2575 * Input:
2576 * ha = adapter block pointer.
2577 *
2578 * Context:
2579 * Kernel context.
2580 */
2581static int
fa2a1ce5 2582qla2x00_device_resync(scsi_qla_host_t *ha)
1da177e4
LT		 2583{
2584 int rval;
2585 int rval2;
2586 uint32_t mask;
2587 fc_port_t *fcport;
2588 uint32_t rscn_entry;
2589 uint8_t rscn_out_iter;
2590 uint8_t format;
2591 port_id_t d_id;
2592
2593 rval = QLA_RSCNS_HANDLED;
2594
2595 while (ha->rscn_out_ptr != ha->rscn_in_ptr ||
2596 ha->flags.rscn_queue_overflow) {
2597
2598 rscn_entry = ha->rscn_queue[ha->rscn_out_ptr];
2599 format = MSB(MSW(rscn_entry));
2600 d_id.b.domain = LSB(MSW(rscn_entry));
2601 d_id.b.area = MSB(LSW(rscn_entry));
2602 d_id.b.al_pa = LSB(LSW(rscn_entry));
2603
2604 DEBUG(printk("scsi(%ld): RSCN queue entry[%d] = "
2605 "[%02x/%02x%02x%02x].\n",
2606 ha->host_no, ha->rscn_out_ptr, format, d_id.b.domain,
2607 d_id.b.area, d_id.b.al_pa));
2608
2609 ha->rscn_out_ptr++;
2610 if (ha->rscn_out_ptr == MAX_RSCN_COUNT)
2611 ha->rscn_out_ptr = 0;
2612
2613 /* Skip duplicate entries. */
2614 for (rscn_out_iter = ha->rscn_out_ptr;
2615 !ha->flags.rscn_queue_overflow &&
2616 rscn_out_iter != ha->rscn_in_ptr;
2617 rscn_out_iter = (rscn_out_iter ==
2618 (MAX_RSCN_COUNT - 1)) ? 0: rscn_out_iter + 1) {
2619
2620 if (rscn_entry != ha->rscn_queue[rscn_out_iter])
2621 break;
2622
2623 DEBUG(printk("scsi(%ld): Skipping duplicate RSCN queue "
2624 "entry found at [%d].\n", ha->host_no,
2625 rscn_out_iter));
2626
2627 ha->rscn_out_ptr = rscn_out_iter;
2628 }
2629
2630 /* Queue overflow, set switch default case. */
2631 if (ha->flags.rscn_queue_overflow) {
2632 DEBUG(printk("scsi(%ld): device_resync: rscn "
2633 "overflow.\n", ha->host_no));
2634
2635 format = 3;
2636 ha->flags.rscn_queue_overflow = 0;
2637 }
2638
2639 switch (format) {
2640 case 0:
2641 if (!IS_QLA2100(ha) && !IS_QLA2200(ha) &&
2642 !IS_QLA6312(ha) && !IS_QLA6322(ha) &&
0107109e 2643 !IS_QLA24XX(ha) && !IS_QLA25XX(ha) &&
1da177e4
LT		 2644 ha->flags.init_done) {
2645 /* Handle port RSCN via asyncronous IOCBs */
2646 rval2 = qla2x00_handle_port_rscn(ha, rscn_entry,
2647 NULL, 0);
2648 if (rval2 == QLA_SUCCESS)
2649 continue;
2650 }
2651 mask = 0xffffff;
2652 break;
2653 case 1:
2654 mask = 0xffff00;
2655 break;
2656 case 2:
2657 mask = 0xff0000;
2658 break;
2659 default:
2660 mask = 0x0;
2661 d_id.b24 = 0;
2662 ha->rscn_out_ptr = ha->rscn_in_ptr;
2663 break;
2664 }
2665
2666 rval = QLA_SUCCESS;
2667
2668 /* Abort any outstanding IO descriptors. */
2669 if (!IS_QLA2100(ha) && !IS_QLA2200(ha))
2670 qla2x00_cancel_io_descriptors(ha);
2671
2672 list_for_each_entry(fcport, &ha->fcports, list) {
2673 if ((fcport->flags & FCF_FABRIC_DEVICE) == 0 ||
2674 (fcport->d_id.b24 & mask) != d_id.b24 ||
2675 fcport->port_type == FCT_BROADCAST)
2676 continue;
2677
2678 if (atomic_read(&fcport->state) == FCS_ONLINE) {
2679 if (format != 3 ||
2680 fcport->port_type != FCT_INITIATOR) {
8482e118 2681 qla2x00_mark_device_lost(ha, fcport, 0);
1da177e4
LT		 2682 }
2683 }
2684 fcport->flags &= ~FCF_FARP_DONE;
2685 }
2686 }
2687 return (rval);
2688}
2689
2690/*
2691 * qla2x00_fabric_dev_login
2692 * Login fabric target device and update FC port database.
2693 *
2694 * Input:
2695 * ha: adapter state pointer.
2696 * fcport: port structure list pointer.
2697 * next_loopid: contains value of a new loop ID that can be used
2698 * by the next login attempt.
2699 *
2700 * Returns:
2701 * qla2x00 local function return status code.
2702 *
2703 * Context:
2704 * Kernel context.
2705 */
2706static int
2707qla2x00_fabric_dev_login(scsi_qla_host_t *ha, fc_port_t *fcport,
2708 uint16_t *next_loopid)
2709{
2710 int rval;
2711 int retry;
0107109e 2712 uint8_t opts;
1da177e4
LT		 2713
2714 rval = QLA_SUCCESS;
2715 retry = 0;
2716
2717 rval = qla2x00_fabric_login(ha, fcport, next_loopid);
2718 if (rval == QLA_SUCCESS) {
0107109e
AV		 2719 /* Send an ADISC to tape devices.*/
2720 opts = 0;
2721 if (fcport->flags & FCF_TAPE_PRESENT)
2722 opts |= BIT_1;
2723 rval = qla2x00_get_port_database(ha, fcport, opts);
1da177e4 2724 if (rval != QLA_SUCCESS) {
1c7c6357
AV		 2725 ha->isp_ops.fabric_logout(ha, fcport->loop_id,
2726 fcport->d_id.b.domain, fcport->d_id.b.area,
2727 fcport->d_id.b.al_pa);
0107109e
AV		 2728 qla2x00_mark_device_lost(ha, fcport, 1);
2729
1da177e4
LT		 2730 } else {
2731 qla2x00_update_fcport(ha, fcport);
2732 }
2733 }
2734
2735 return (rval);
2736}
2737
2738/*
2739 * qla2x00_fabric_login
2740 * Issue fabric login command.
2741 *
2742 * Input:
2743 * ha = adapter block pointer.
2744 * device = pointer to FC device type structure.
2745 *
2746 * Returns:
2747 * 0 - Login successfully
2748 * 1 - Login failed
2749 * 2 - Initiator device
2750 * 3 - Fatal error
2751 */
2752int
2753qla2x00_fabric_login(scsi_qla_host_t *ha, fc_port_t *fcport,
2754 uint16_t *next_loopid)
2755{
2756 int rval;
2757 int retry;
2758 uint16_t tmp_loopid;
2759 uint16_t mb[MAILBOX_REGISTER_COUNT];
2760
2761 retry = 0;
2762 tmp_loopid = 0;
2763
2764 for (;;) {
2765 DEBUG(printk("scsi(%ld): Trying Fabric Login w/loop id 0x%04x "
2766 "for port %02x%02x%02x.\n",
2767 ha->host_no, fcport->loop_id, fcport->d_id.b.domain,
2768 fcport->d_id.b.area, fcport->d_id.b.al_pa));
2769
2770 /* Login fcport on switch. */
abbd8870 2771 ha->isp_ops.fabric_login(ha, fcport->loop_id,
1da177e4
LT		 2772 fcport->d_id.b.domain, fcport->d_id.b.area,
2773 fcport->d_id.b.al_pa, mb, BIT_0);
2774 if (mb[0] == MBS_PORT_ID_USED) {
2775 /*
2776 * Device has another loop ID. The firmware team
0107109e
AV		 2777 * recommends the driver perform an implicit login with
2778 * the specified ID again. The ID we just used is save
2779 * here so we return with an ID that can be tried by
2780 * the next login.
1da177e4
LT		 2781 */
2782 retry++;
2783 tmp_loopid = fcport->loop_id;
2784 fcport->loop_id = mb[1];
2785
2786 DEBUG(printk("Fabric Login: port in use - next "
2787 "loop id=0x%04x, port Id=%02x%02x%02x.\n",
2788 fcport->loop_id, fcport->d_id.b.domain,
2789 fcport->d_id.b.area, fcport->d_id.b.al_pa));
2790
2791 } else if (mb[0] == MBS_COMMAND_COMPLETE) {
2792 /*
2793 * Login succeeded.
2794 */
2795 if (retry) {
2796 /* A retry occurred before. */
2797 *next_loopid = tmp_loopid;
2798 } else {
2799 /*
2800 * No retry occurred before. Just increment the
2801 * ID value for next login.
2802 */
2803 *next_loopid = (fcport->loop_id + 1);
2804 }
2805
2806 if (mb[1] & BIT_0) {
2807 fcport->port_type = FCT_INITIATOR;
2808 } else {
2809 fcport->port_type = FCT_TARGET;
2810 if (mb[1] & BIT_1) {
2811 fcport->flags |= FCF_TAPE_PRESENT;
2812 }
2813 }
2814
ad3e0eda
AV		 2815 if (mb[10] & BIT_0)
2816 fcport->supported_classes |= FC_COS_CLASS2;
2817 if (mb[10] & BIT_1)
2818 fcport->supported_classes |= FC_COS_CLASS3;
2819
1da177e4
LT		 2820 rval = QLA_SUCCESS;
2821 break;
2822 } else if (mb[0] == MBS_LOOP_ID_USED) {
2823 /*
2824 * Loop ID already used, try next loop ID.
2825 */
2826 fcport->loop_id++;
2827 rval = qla2x00_find_new_loop_id(ha, fcport);
2828 if (rval != QLA_SUCCESS) {
2829 /* Ran out of loop IDs to use */
2830 break;
2831 }
2832 } else if (mb[0] == MBS_COMMAND_ERROR) {
2833 /*
2834 * Firmware possibly timed out during login. If NO
2835 * retries are left to do then the device is declared
2836 * dead.
2837 */
2838 *next_loopid = fcport->loop_id;
1c7c6357
AV		 2839 ha->isp_ops.fabric_logout(ha, fcport->loop_id,
2840 fcport->d_id.b.domain, fcport->d_id.b.area,
2841 fcport->d_id.b.al_pa);
1da177e4
LT		 2842 qla2x00_mark_device_lost(ha, fcport, 1);
2843
2844 rval = 1;
2845 break;
2846 } else {
2847 /*
2848 * unrecoverable / not handled error
2849 */
2850 DEBUG2(printk("%s(%ld): failed=%x port_id=%02x%02x%02x "
fa2a1ce5
AV		 2851 "loop_id=%x jiffies=%lx.\n",
2852 __func__, ha->host_no, mb[0],
1da177e4
LT		 2853 fcport->d_id.b.domain, fcport->d_id.b.area,
2854 fcport->d_id.b.al_pa, fcport->loop_id, jiffies));
2855
2856 *next_loopid = fcport->loop_id;
1c7c6357
AV		 2857 ha->isp_ops.fabric_logout(ha, fcport->loop_id,
2858 fcport->d_id.b.domain, fcport->d_id.b.area,
2859 fcport->d_id.b.al_pa);
1da177e4
LT		 2860 fcport->loop_id = FC_NO_LOOP_ID;
2861 atomic_set(&fcport->state, FCS_DEVICE_DEAD);
2862
2863 rval = 3;
2864 break;
2865 }
2866 }
2867
2868 return (rval);
2869}
2870
2871/*
2872 * qla2x00_local_device_login
2873 * Issue local device login command.
2874 *
2875 * Input:
2876 * ha = adapter block pointer.
2877 * loop_id = loop id of device to login to.
2878 *
2879 * Returns (Where's the #define!!!!):
2880 * 0 - Login successfully
2881 * 1 - Login failed
2882 * 3 - Fatal error
2883 */
2884int
2885qla2x00_local_device_login(scsi_qla_host_t *ha, uint16_t loop_id)
2886{
2887 int rval;
2888 uint16_t mb[MAILBOX_REGISTER_COUNT];
2889
2890 memset(mb, 0, sizeof(mb));
2891 rval = qla2x00_login_local_device(ha, loop_id, mb, BIT_0);
2892 if (rval == QLA_SUCCESS) {
2893 /* Interrogate mailbox registers for any errors */
2894 if (mb[0] == MBS_COMMAND_ERROR)
2895 rval = 1;
2896 else if (mb[0] == MBS_COMMAND_PARAMETER_ERROR)
2897 /* device not in PCB table */
2898 rval = 3;
2899 }
2900
2901 return (rval);
2902}
2903
2904/*
2905 * qla2x00_loop_resync
2906 * Resync with fibre channel devices.
2907 *
2908 * Input:
2909 * ha = adapter block pointer.
2910 *
2911 * Returns:
2912 * 0 = success
2913 */
2914int
fa2a1ce5 2915qla2x00_loop_resync(scsi_qla_host_t *ha)
1da177e4
LT		 2916{
2917 int rval;
2918 uint32_t wait_time;
2919
2920 rval = QLA_SUCCESS;
2921
2922 atomic_set(&ha->loop_state, LOOP_UPDATE);
1da177e4
LT		 2923 clear_bit(ISP_ABORT_RETRY, &ha->dpc_flags);
2924 if (ha->flags.online) {
2925 if (!(rval = qla2x00_fw_ready(ha))) {
2926 /* Wait at most MAX_TARGET RSCNs for a stable link. */
2927 wait_time = 256;
2928 do {
1da177e4
LT		 2929 atomic_set(&ha->loop_state, LOOP_UPDATE);
2930
0107109e
AV		 2931 /* Issue a marker after FW becomes ready. */
2932 qla2x00_marker(ha, 0, 0, MK_SYNC_ALL);
2933 ha->marker_needed = 0;
1da177e4
LT		 2934
2935 /* Remap devices on Loop. */
2936 clear_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags);
2937
2938 qla2x00_configure_loop(ha);
2939 wait_time--;
2940 } while (!atomic_read(&ha->loop_down_timer) &&
2941 !(test_bit(ISP_ABORT_NEEDED, &ha->dpc_flags)) &&
2942 wait_time &&
2943 (test_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags)));
2944 }
1da177e4
LT		 2945 }
2946
2947 if (test_bit(ISP_ABORT_NEEDED, &ha->dpc_flags)) {
2948 return (QLA_FUNCTION_FAILED);
2949 }
2950
2951 if (rval) {
2952 DEBUG2_3(printk("%s(): **** FAILED ****\n", __func__));
2953 }
2954
2955 return (rval);
2956}
2957
1da177e4
LT		 2958void
2959qla2x00_rescan_fcports(scsi_qla_host_t *ha)
2960{
2961 int rescan_done;
2962 fc_port_t *fcport;
2963
2964 rescan_done = 0;
2965 list_for_each_entry(fcport, &ha->fcports, list) {
2966 if ((fcport->flags & FCF_RESCAN_NEEDED) == 0)
2967 continue;
2968
2969 qla2x00_update_fcport(ha, fcport);
2970 fcport->flags &= ~FCF_RESCAN_NEEDED;
2971
2972 rescan_done = 1;
2973 }
fa2a1ce5 2974 qla2x00_probe_for_all_luns(ha);
1da177e4
LT		 2975}
2976
2977/*
2978* qla2x00_abort_isp
2979* Resets ISP and aborts all outstanding commands.
2980*
2981* Input:
2982* ha = adapter block pointer.
2983*
2984* Returns:
2985* 0 = success
2986*/
2987int
2988qla2x00_abort_isp(scsi_qla_host_t *ha)
2989{
2990 unsigned long flags = 0;
2991 uint16_t cnt;
2992 srb_t *sp;
2993 uint8_t status = 0;
2994
2995 if (ha->flags.online) {
2996 ha->flags.online = 0;
2997 clear_bit(ISP_ABORT_NEEDED, &ha->dpc_flags);
1da177e4
LT		 2998
2999 qla_printk(KERN_INFO, ha,
3000 "Performing ISP error recovery - ha= %p.\n", ha);
abbd8870 3001 ha->isp_ops.reset_chip(ha);
1da177e4
LT		 3002
3003 atomic_set(&ha->loop_down_timer, LOOP_DOWN_TIME);
3004 if (atomic_read(&ha->loop_state) != LOOP_DOWN) {
3005 atomic_set(&ha->loop_state, LOOP_DOWN);
3006 qla2x00_mark_all_devices_lost(ha);
3007 } else {
3008 if (!atomic_read(&ha->loop_down_timer))
3009 atomic_set(&ha->loop_down_timer,
3010 LOOP_DOWN_TIME);
3011 }
3012
3013 spin_lock_irqsave(&ha->hardware_lock, flags);
3014 /* Requeue all commands in outstanding command list. */
3015 for (cnt = 1; cnt < MAX_OUTSTANDING_COMMANDS; cnt++) {
3016 sp = ha->outstanding_cmds[cnt];
3017 if (sp) {
3018 ha->outstanding_cmds[cnt] = NULL;
1da177e4 3019 sp->flags = 0;
f4f051eb 3020 sp->cmd->result = DID_RESET << 16;
1da177e4 3021 sp->cmd->host_scribble = (unsigned char *)NULL;
f4f051eb 3022 qla2x00_sp_compl(ha, sp);
1da177e4
LT		 3023 }
3024 }
3025 spin_unlock_irqrestore(&ha->hardware_lock, flags);
3026
abbd8870 3027 ha->isp_ops.nvram_config(ha);
1da177e4
LT		 3028
3029 if (!qla2x00_restart_isp(ha)) {
3030 clear_bit(RESET_MARKER_NEEDED, &ha->dpc_flags);
3031
3032 if (!atomic_read(&ha->loop_down_timer)) {
3033 /*
3034 * Issue marker command only when we are going
3035 * to start the I/O .
3036 */
3037 ha->marker_needed = 1;
3038 }
3039
3040 ha->flags.online = 1;
3041
abbd8870 3042 ha->isp_ops.enable_intrs(ha);
1da177e4 3043
fa2a1ce5 3044 ha->isp_abort_cnt = 0;
1da177e4
LT		 3045 clear_bit(ISP_ABORT_RETRY, &ha->dpc_flags);
3046 } else { /* failed the ISP abort */
3047 ha->flags.online = 1;
3048 if (test_bit(ISP_ABORT_RETRY, &ha->dpc_flags)) {
3049 if (ha->isp_abort_cnt == 0) {
3050 qla_printk(KERN_WARNING, ha,
3051 "ISP error recovery failed - "
3052 "board disabled\n");
fa2a1ce5 3053 /*
1da177e4
LT		 3054 * The next call disables the board
3055 * completely.
3056 */
abbd8870 3057 ha->isp_ops.reset_adapter(ha);
1da177e4
LT		 3058 ha->flags.online = 0;
3059 clear_bit(ISP_ABORT_RETRY,
3060 &ha->dpc_flags);
3061 status = 0;
3062 } else { /* schedule another ISP abort */
3063 ha->isp_abort_cnt--;
3064 DEBUG(printk("qla%ld: ISP abort - "
0107109e 3065 "retry remaining %d\n",
1da177e4
LT		 3066 ha->host_no, ha->isp_abort_cnt);)
3067 status = 1;
3068 }
3069 } else {
3070 ha->isp_abort_cnt = MAX_RETRIES_OF_ISP_ABORT;
3071 DEBUG(printk("qla2x00(%ld): ISP error recovery "
3072 "- retrying (%d) more times\n",
3073 ha->host_no, ha->isp_abort_cnt);)
3074 set_bit(ISP_ABORT_RETRY, &ha->dpc_flags);
3075 status = 1;
3076 }
3077 }
fa2a1ce5 3078
1da177e4
LT		 3079 }
3080
3081 if (status) {
3082 qla_printk(KERN_INFO, ha,
3083 "qla2x00_abort_isp: **** FAILED ****\n");
3084 } else {
3085 DEBUG(printk(KERN_INFO
3086 "qla2x00_abort_isp(%ld): exiting.\n",
3087 ha->host_no);)
3088 }
3089
3090 return(status);
3091}
3092
3093/*
3094* qla2x00_restart_isp
3095* restarts the ISP after a reset
3096*
3097* Input:
3098* ha = adapter block pointer.
3099*
3100* Returns:
3101* 0 = success
3102*/
3103static int
3104qla2x00_restart_isp(scsi_qla_host_t *ha)
3105{
3106 uint8_t status = 0;
3d71644c 3107 struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
1da177e4
LT		 3108 unsigned long flags = 0;
3109 uint32_t wait_time;
3110
3111 /* If firmware needs to be loaded */
3112 if (qla2x00_isp_firmware(ha)) {
3113 ha->flags.online = 0;
abbd8870 3114 if (!(status = ha->isp_ops.chip_diag(ha))) {
1da177e4
LT		 3115 if (IS_QLA2100(ha) || IS_QLA2200(ha)) {
3116 status = qla2x00_setup_chip(ha);
3117 goto done;
3118 }
3119
1da177e4
LT		 3120 spin_lock_irqsave(&ha->hardware_lock, flags);
3121
0107109e
AV		 3122 if (!IS_QLA24XX(ha) && !IS_QLA25XX(ha)) {
3123 /*
3124 * Disable SRAM, Instruction RAM and GP RAM
3125 * parity.
3126 */
3127 WRT_REG_WORD(&reg->hccr,
3128 (HCCR_ENABLE_PARITY + 0x0));
3129 RD_REG_WORD(&reg->hccr);
3130 }
1da177e4
LT		 3131
3132 spin_unlock_irqrestore(&ha->hardware_lock, flags);
fa2a1ce5 3133
1da177e4
LT		 3134 status = qla2x00_setup_chip(ha);
3135
3136 spin_lock_irqsave(&ha->hardware_lock, flags);
fa2a1ce5 3137
0107109e
AV		 3138 if (!IS_QLA24XX(ha) && !IS_QLA25XX(ha)) {
3139 /* Enable proper parity */
3140 if (IS_QLA2300(ha))
3141 /* SRAM parity */
3142 WRT_REG_WORD(&reg->hccr,
3143 (HCCR_ENABLE_PARITY + 0x1));
3144 else
3145 /*
3146 * SRAM, Instruction RAM and GP RAM
3147 * parity.
3148 */
3149 WRT_REG_WORD(&reg->hccr,
3150 (HCCR_ENABLE_PARITY + 0x7));
3151 RD_REG_WORD(&reg->hccr);
3152 }
1da177e4
LT		 3153
3154 spin_unlock_irqrestore(&ha->hardware_lock, flags);
3155 }
3156 }
3157
3158 done:
3159 if (!status && !(status = qla2x00_init_rings(ha))) {
3160 clear_bit(RESET_MARKER_NEEDED, &ha->dpc_flags);
3161 if (!(status = qla2x00_fw_ready(ha))) {
3162 DEBUG(printk("%s(): Start configure loop, "
0107109e
AV		 3163 "status = %d\n", __func__, status);)
3164
3165 /* Issue a marker after FW becomes ready. */
3166 qla2x00_marker(ha, 0, 0, MK_SYNC_ALL);
3167
1da177e4
LT		 3168 ha->flags.online = 1;
3169 /* Wait at most MAX_TARGET RSCNs for a stable link. */
3170 wait_time = 256;
3171 do {
3172 clear_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags);
3173 qla2x00_configure_loop(ha);
3174 wait_time--;
3175 } while (!atomic_read(&ha->loop_down_timer) &&
3176 !(test_bit(ISP_ABORT_NEEDED, &ha->dpc_flags)) &&
3177 wait_time &&
3178 (test_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags)));
3179 }
3180
3181 /* if no cable then assume it's good */
fa2a1ce5 3182 if ((ha->device_flags & DFLG_NO_CABLE))
1da177e4
LT		 3183 status = 0;
3184
3185 DEBUG(printk("%s(): Configure loop done, status = 0x%x\n",
3186 __func__,
3187 status);)
3188 }
3189 return (status);
3190}
3191
3192/*
3193* qla2x00_reset_adapter
3194* Reset adapter.
3195*
3196* Input:
3197* ha = adapter block pointer.
3198*/
abbd8870 3199void
1da177e4
LT		 3200qla2x00_reset_adapter(scsi_qla_host_t *ha)
3201{
3202 unsigned long flags = 0;
3d71644c 3203 struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
1da177e4
LT		 3204
3205 ha->flags.online = 0;
abbd8870 3206 ha->isp_ops.disable_intrs(ha);
1da177e4 3207
1da177e4
LT		 3208 spin_lock_irqsave(&ha->hardware_lock, flags);
3209 WRT_REG_WORD(&reg->hccr, HCCR_RESET_RISC);
3210 RD_REG_WORD(&reg->hccr); /* PCI Posting. */
3211 WRT_REG_WORD(&reg->hccr, HCCR_RELEASE_RISC);
3212 RD_REG_WORD(&reg->hccr); /* PCI Posting. */
3213 spin_unlock_irqrestore(&ha->hardware_lock, flags);
3214}
0107109e
AV		 3215
3216void
3217qla24xx_reset_adapter(scsi_qla_host_t *ha)
3218{
3219 unsigned long flags = 0;
3220 struct device_reg_24xx __iomem *reg = &ha->iobase->isp24;
3221
3222 ha->flags.online = 0;
3223 ha->isp_ops.disable_intrs(ha);
3224
3225 spin_lock_irqsave(&ha->hardware_lock, flags);
3226 WRT_REG_DWORD(&reg->hccr, HCCRX_SET_RISC_RESET);
3227 RD_REG_DWORD(&reg->hccr);
3228 WRT_REG_DWORD(&reg->hccr, HCCRX_REL_RISC_PAUSE);
3229 RD_REG_DWORD(&reg->hccr);
3230 spin_unlock_irqrestore(&ha->hardware_lock, flags);
3231}
3232
3233int
3234qla24xx_nvram_config(scsi_qla_host_t *ha)
3235{
3236 int rval;
3237 struct init_cb_24xx *icb;
3238 struct nvram_24xx *nv;
3239 uint32_t *dptr;
3240 uint8_t *dptr1, *dptr2;
3241 uint32_t chksum;
3242 uint16_t cnt;
3243
3244 rval = QLA_SUCCESS;
3245 icb = (struct init_cb_24xx *)ha->init_cb;
3246 nv = (struct nvram_24xx *)ha->request_ring;
3247
3248 /* Determine NVRAM starting address. */
3249 ha->nvram_size = sizeof(struct nvram_24xx);
3250 ha->nvram_base = FA_NVRAM_FUNC0_ADDR;
3251 if (PCI_FUNC(ha->pdev->devfn))
3252 ha->nvram_base = FA_NVRAM_FUNC1_ADDR;
3253
3254 /* Get NVRAM data and calculate checksum. */
3255 dptr = (uint32_t *)nv;
3256 ha->isp_ops.read_nvram(ha, (uint8_t *)dptr, ha->nvram_base,
3257 ha->nvram_size);
3258 for (cnt = 0, chksum = 0; cnt < ha->nvram_size >> 2; cnt++)
3259 chksum += le32_to_cpu(*dptr++);
3260
3261 DEBUG5(printk("scsi(%ld): Contents of NVRAM\n", ha->host_no));
3262 DEBUG5(qla2x00_dump_buffer((uint8_t *)ha->request_ring,
3263 ha->nvram_size));
3264
3265 /* Bad NVRAM data, set defaults parameters. */
3266 if (chksum || nv->id[0] != 'I' || nv->id[1] != 'S' || nv->id[2] != 'P'
3267 || nv->id[3] != ' ' ||
3268 nv->nvram_version < __constant_cpu_to_le16(ICB_VERSION)) {
3269 /* Reset NVRAM data. */
3270 qla_printk(KERN_WARNING, ha, "Inconsistent NVRAM detected: "
3271 "checksum=0x%x id=%c version=0x%x.\n", chksum, nv->id[0],
3272 le16_to_cpu(nv->nvram_version));
3273 qla_printk(KERN_WARNING, ha, "Falling back to functioning (yet "
3274 "invalid -- WWPN) defaults.\n");
3275
3276 /*
3277 * Set default initialization control block.
3278 */
3279 memset(nv, 0, ha->nvram_size);
3280 nv->nvram_version = __constant_cpu_to_le16(ICB_VERSION);
3281 nv->version = __constant_cpu_to_le16(ICB_VERSION);
3282 nv->frame_payload_size = __constant_cpu_to_le16(2048);
3283 nv->execution_throttle = __constant_cpu_to_le16(0xFFFF);
3284 nv->exchange_count = __constant_cpu_to_le16(0);
3285 nv->hard_address = __constant_cpu_to_le16(124);
3286 nv->port_name[0] = 0x21;
3287 nv->port_name[1] = 0x00 + PCI_FUNC(ha->pdev->devfn);
3288 nv->port_name[2] = 0x00;
3289 nv->port_name[3] = 0xe0;
3290 nv->port_name[4] = 0x8b;
3291 nv->port_name[5] = 0x1c;
3292 nv->port_name[6] = 0x55;
3293 nv->port_name[7] = 0x86;
3294 nv->node_name[0] = 0x20;
3295 nv->node_name[1] = 0x00;
3296 nv->node_name[2] = 0x00;
3297 nv->node_name[3] = 0xe0;
3298 nv->node_name[4] = 0x8b;
3299 nv->node_name[5] = 0x1c;
3300 nv->node_name[6] = 0x55;
3301 nv->node_name[7] = 0x86;
3302 nv->login_retry_count = __constant_cpu_to_le16(8);
3303 nv->link_down_timeout = __constant_cpu_to_le16(200);
3304 nv->interrupt_delay_timer = __constant_cpu_to_le16(0);
3305 nv->login_timeout = __constant_cpu_to_le16(0);
3306 nv->firmware_options_1 =
3307 __constant_cpu_to_le32(BIT_14|BIT_13|BIT_2|BIT_1);
3308 nv->firmware_options_2 = __constant_cpu_to_le32(2 << 4);
3309 nv->firmware_options_2 |= __constant_cpu_to_le32(BIT_12);
3310 nv->firmware_options_3 = __constant_cpu_to_le32(2 << 13);
3311 nv->host_p = __constant_cpu_to_le32(BIT_11|BIT_10);
3312 nv->efi_parameters = __constant_cpu_to_le32(0);
3313 nv->reset_delay = 5;
3314 nv->max_luns_per_target = __constant_cpu_to_le16(128);
3315 nv->port_down_retry_count = __constant_cpu_to_le16(30);
3316 nv->link_down_timeout = __constant_cpu_to_le16(30);
3317
3318 rval = 1;
3319 }
3320
3321 /* Reset Initialization control block */
3322 memset(icb, 0, sizeof(struct init_cb_24xx));
3323
3324 /* Copy 1st segment. */
3325 dptr1 = (uint8_t *)icb;
3326 dptr2 = (uint8_t *)&nv->version;
3327 cnt = (uint8_t *)&icb->response_q_inpointer - (uint8_t *)&icb->version;
3328 while (cnt--)
3329 *dptr1++ = *dptr2++;
3330
3331 icb->login_retry_count = nv->login_retry_count;
3332 icb->link_down_timeout = nv->link_down_timeout;
3333
3334 /* Copy 2nd segment. */
3335 dptr1 = (uint8_t *)&icb->interrupt_delay_timer;
3336 dptr2 = (uint8_t *)&nv->interrupt_delay_timer;
3337 cnt = (uint8_t *)&icb->reserved_3 -
3338 (uint8_t *)&icb->interrupt_delay_timer;
3339 while (cnt--)
3340 *dptr1++ = *dptr2++;
3341
3342 /*
3343 * Setup driver NVRAM options.
3344 */
3345 if (memcmp(nv->model_name, BINZERO, sizeof(nv->model_name)) != 0) {
3346 char *st, *en;
3347 uint16_t index;
3348
3349 strncpy(ha->model_number, nv->model_name,
3350 sizeof(nv->model_name));
3351 st = en = ha->model_number;
3352 en += sizeof(nv->model_name) - 1;
3353 while (en > st) {
3354 if (*en != 0x20 && *en != 0x00)
3355 break;
3356 *en-- = '\0';
3357 }
3358
3359 index = (ha->pdev->subsystem_device & 0xff);
3360 if (index < QLA_MODEL_NAMES)
3361 ha->model_desc = qla2x00_model_desc[index];
3362 } else
3363 strcpy(ha->model_number, "QLA2462");
3364
3365 /* Prepare nodename */
3366 if ((icb->firmware_options_1 & BIT_14) == 0) {
3367 /*
3368 * Firmware will apply the following mask if the nodename was
3369 * not provided.
3370 */
3371 memcpy(icb->node_name, icb->port_name, WWN_SIZE);
3372 icb->node_name[0] &= 0xF0;
3373 }
3374
3375 /* Set host adapter parameters. */
3376 ha->flags.disable_risc_code_load = 0;
3377 ha->flags.enable_lip_reset = 1;
3378 ha->flags.enable_lip_full_login = 1;
3379 ha->flags.enable_target_reset = 1;
3380 ha->flags.enable_led_scheme = 0;
3381
3382 ha->operating_mode =
3383 (icb->firmware_options_2 & (BIT_6 | BIT_5 | BIT_4)) >> 4;
3384
3385 memcpy(ha->fw_seriallink_options24, nv->seriallink_options,
3386 sizeof(ha->fw_seriallink_options24));
3387
3388 /* save HBA serial number */
3389 ha->serial0 = icb->port_name[5];
3390 ha->serial1 = icb->port_name[6];
3391 ha->serial2 = icb->port_name[7];
3392 ha->node_name = icb->node_name;
3393 ha->port_name = icb->port_name;
3394
3395 ha->retry_count = le16_to_cpu(nv->login_retry_count);
3396
3397 /* Set minimum login_timeout to 4 seconds. */
3398 if (le16_to_cpu(nv->login_timeout) < ql2xlogintimeout)
3399 nv->login_timeout = cpu_to_le16(ql2xlogintimeout);
3400 if (le16_to_cpu(nv->login_timeout) < 4)
3401 nv->login_timeout = __constant_cpu_to_le16(4);
3402 ha->login_timeout = le16_to_cpu(nv->login_timeout);
3403 icb->login_timeout = cpu_to_le16(nv->login_timeout);
3404
3405 /* Set minimum RATOV to 200 tenths of a second. */
3406 ha->r_a_tov = 200;
3407
3408 ha->loop_reset_delay = nv->reset_delay;
3409
3410 /* Link Down Timeout = 0:
3411 *
3412 * When Port Down timer expires we will start returning
3413 * I/O's to OS with "DID_NO_CONNECT".
3414 *
3415 * Link Down Timeout != 0:
3416 *
3417 * The driver waits for the link to come up after link down
3418 * before returning I/Os to OS with "DID_NO_CONNECT".
3419 */
3420 if (le16_to_cpu(nv->link_down_timeout) == 0) {
3421 ha->loop_down_abort_time =
3422 (LOOP_DOWN_TIME - LOOP_DOWN_TIMEOUT);
3423 } else {
3424 ha->link_down_timeout = le16_to_cpu(nv->link_down_timeout);
3425 ha->loop_down_abort_time =
3426 (LOOP_DOWN_TIME - ha->link_down_timeout);
3427 }
3428
3429 /* Need enough time to try and get the port back. */
3430 ha->port_down_retry_count = le16_to_cpu(nv->port_down_retry_count);
3431 if (qlport_down_retry)
3432 ha->port_down_retry_count = qlport_down_retry;
3433
3434 /* Set login_retry_count */
3435 ha->login_retry_count = le16_to_cpu(nv->login_retry_count);
3436 if (ha->port_down_retry_count ==
3437 le16_to_cpu(nv->port_down_retry_count) &&
3438 ha->port_down_retry_count > 3)
3439 ha->login_retry_count = ha->port_down_retry_count;
3440 else if (ha->port_down_retry_count > (int)ha->login_retry_count)
3441 ha->login_retry_count = ha->port_down_retry_count;
3442 if (ql2xloginretrycount)
3443 ha->login_retry_count = ql2xloginretrycount;
3444
3445 if (rval) {
3446 DEBUG2_3(printk(KERN_WARNING
3447 "scsi(%ld): NVRAM configuration failed!\n", ha->host_no));
3448 }
3449 return (rval);
3450}
3451
3452int
3453qla2x00_load_risc(scsi_qla_host_t *ha, uint32_t *srisc_addr)
3454{
3455 int rval;
3456 uint16_t cnt;
3457 uint16_t *risc_code;
3458 unsigned long risc_address;
3459 unsigned long risc_code_size;
3460 int num;
3461 int i;
3462 uint16_t *req_ring;
3463 struct qla_fw_info *fw_iter;
3464
3465 rval = QLA_SUCCESS;
3466
3467 /* Load firmware sequences */
3468 fw_iter = ha->brd_info->fw_info;
3469 *srisc_addr = *ha->brd_info->fw_info->fwstart;
3470 while (fw_iter->addressing != FW_INFO_ADDR_NOMORE) {
3471 risc_code = fw_iter->fwcode;
3472 risc_code_size = *fw_iter->fwlen;
3473
3474 if (fw_iter->addressing == FW_INFO_ADDR_NORMAL) {
3475 risc_address = *fw_iter->fwstart;
3476 } else {
3477 /* Extended address */
3478 risc_address = *fw_iter->lfwstart;
3479 }
3480
3481 num = 0;
3482 rval = 0;
3483 while (risc_code_size > 0 && !rval) {
3484 cnt = (uint16_t)(ha->fw_transfer_size >> 1);
3485 if (cnt > risc_code_size)
3486 cnt = risc_code_size;
3487
3488 DEBUG7(printk("scsi(%ld): Loading risc segment@ "
3489 "addr %p, number of bytes 0x%x, offset 0x%lx.\n",
3490 ha->host_no, risc_code, cnt, risc_address));
3491
3492 req_ring = (uint16_t *)ha->request_ring;
3493 for (i = 0; i < cnt; i++)
3494 req_ring[i] = cpu_to_le16(risc_code[i]);
3495
3496 if (fw_iter->addressing == FW_INFO_ADDR_NORMAL) {
3497 rval = qla2x00_load_ram(ha, ha->request_dma,
3498 risc_address, cnt);
3499 } else {
3500 rval = qla2x00_load_ram_ext(ha,
3501 ha->request_dma, risc_address, cnt);
3502 }
3503 if (rval) {
3504 DEBUG(printk("scsi(%ld): [ERROR] Failed to "
3505 "load segment %d of firmware\n",
3506 ha->host_no, num));
3507 qla_printk(KERN_WARNING, ha,
3508 "[ERROR] Failed to load segment %d of "
3509 "firmware\n", num);
3510
3511 qla2x00_dump_regs(ha);
3512 break;
3513 }
3514
3515 risc_code += cnt;
3516 risc_address += cnt;
3517 risc_code_size -= cnt;
3518 num++;
3519 }
3520
3521 /* Next firmware sequence */
3522 fw_iter++;
3523 }
3524
3525 return (rval);
3526}
3527
3528int
3529qla24xx_load_risc_flash(scsi_qla_host_t *ha, uint32_t *srisc_addr)
3530{
3531 int rval;
3532 int segments, fragment;
3533 uint32_t faddr;
3534 uint32_t *dcode, dlen;
3535 uint32_t risc_addr;
3536 uint32_t risc_size;
3537 uint32_t i;
3538
3539 rval = QLA_SUCCESS;
3540
3541 segments = FA_RISC_CODE_SEGMENTS;
3542 faddr = FA_RISC_CODE_ADDR;
3543 dcode = (uint32_t *)ha->request_ring;
3544 *srisc_addr = 0;
3545
3546 /* Validate firmware image by checking version. */
3547 qla24xx_read_flash_data(ha, dcode, faddr + 4, 4);
3548 for (i = 0; i < 4; i++)
3549 dcode[i] = be32_to_cpu(dcode[i]);
3550 if ((dcode[0] == 0xffffffff && dcode[1] == 0xffffffff &&
3551 dcode[2] == 0xffffffff && dcode[3] == 0xffffffff) ||
3552 (dcode[0] == 0 && dcode[1] == 0 && dcode[2] == 0 &&
3553 dcode[3] == 0)) {
3554 qla_printk(KERN_WARNING, ha,
3555 "Unable to verify integrity of flash firmware image!\n");
3556 qla_printk(KERN_WARNING, ha,
3557 "Firmware data: %08x %08x %08x %08x!\n", dcode[0],
3558 dcode[1], dcode[2], dcode[3]);
3559
3560 return QLA_FUNCTION_FAILED;
3561 }
3562
3563 while (segments && rval == QLA_SUCCESS) {
3564 /* Read segment's load information. */
3565 qla24xx_read_flash_data(ha, dcode, faddr, 4);
3566
3567 risc_addr = be32_to_cpu(dcode[2]);
3568 *srisc_addr = *srisc_addr == 0 ? risc_addr : *srisc_addr;
3569 risc_size = be32_to_cpu(dcode[3]);
3570
3571 fragment = 0;
3572 while (risc_size > 0 && rval == QLA_SUCCESS) {
3573 dlen = (uint32_t)(ha->fw_transfer_size >> 2);
3574 if (dlen > risc_size)
3575 dlen = risc_size;
3576
3577 DEBUG7(printk("scsi(%ld): Loading risc segment@ risc "
3578 "addr %x, number of dwords 0x%x, offset 0x%x.\n",
3579 ha->host_no, risc_addr, dlen, faddr));
3580
3581 qla24xx_read_flash_data(ha, dcode, faddr, dlen);
3582 for (i = 0; i < dlen; i++)
3583 dcode[i] = swab32(dcode[i]);
3584
3585 rval = qla2x00_load_ram_ext(ha, ha->request_dma,
3586 risc_addr, dlen);
3587 if (rval) {
3588 DEBUG(printk("scsi(%ld):[ERROR] Failed to load "
3589 "segment %d of firmware\n", ha->host_no,
3590 fragment));
3591 qla_printk(KERN_WARNING, ha,
3592 "[ERROR] Failed to load segment %d of "
3593 "firmware\n", fragment);
3594 break;
3595 }
3596
3597 faddr += dlen;
3598 risc_addr += dlen;
3599 risc_size -= dlen;
3600 fragment++;
3601 }
3602
3603 /* Next segment. */
3604 segments--;
3605 }
3606
3607 return rval;
3608}
3609
3610int
3611qla24xx_load_risc_hotplug(scsi_qla_host_t *ha, uint32_t *srisc_addr)
3612{
3613 int rval;
3614 int segments, fragment;
3615 uint32_t *dcode, dlen;
3616 uint32_t risc_addr;
3617 uint32_t risc_size;
3618 uint32_t i;
3619 const struct firmware *fw_entry;
3620 uint32_t *fwcode, fwclen;
3621
3622 if (request_firmware(&fw_entry, ha->brd_info->fw_fname,
3623 &ha->pdev->dev)) {
3624 qla_printk(KERN_ERR, ha,
3625 "Firmware image file not available: '%s'\n",
3626 ha->brd_info->fw_fname);
3627 return QLA_FUNCTION_FAILED;
3628 }
3629
3630 rval = QLA_SUCCESS;
3631
3632 segments = FA_RISC_CODE_SEGMENTS;
3633 dcode = (uint32_t *)ha->request_ring;
3634 *srisc_addr = 0;
3635 fwcode = (uint32_t *)fw_entry->data;
3636 fwclen = 0;
3637
3638 /* Validate firmware image by checking version. */
3639 if (fw_entry->size < 8 * sizeof(uint32_t)) {
3640 qla_printk(KERN_WARNING, ha,
3641 "Unable to verify integrity of flash firmware image "
3642 "(%Zd)!\n", fw_entry->size);
3643 goto fail_fw_integrity;
3644 }
3645 for (i = 0; i < 4; i++)
3646 dcode[i] = be32_to_cpu(fwcode[i + 4]);
3647 if ((dcode[0] == 0xffffffff && dcode[1] == 0xffffffff &&
3648 dcode[2] == 0xffffffff && dcode[3] == 0xffffffff) ||
3649 (dcode[0] == 0 && dcode[1] == 0 && dcode[2] == 0 &&
3650 dcode[3] == 0)) {
3651 qla_printk(KERN_WARNING, ha,
3652 "Unable to verify integrity of flash firmware image!\n");
3653 qla_printk(KERN_WARNING, ha,
3654 "Firmware data: %08x %08x %08x %08x!\n", dcode[0],
3655 dcode[1], dcode[2], dcode[3]);
3656 goto fail_fw_integrity;
3657 }
3658
3659 while (segments && rval == QLA_SUCCESS) {
3660 risc_addr = be32_to_cpu(fwcode[2]);
3661 *srisc_addr = *srisc_addr == 0 ? risc_addr : *srisc_addr;
3662 risc_size = be32_to_cpu(fwcode[3]);
3663
3664 /* Validate firmware image size. */
3665 fwclen += risc_size * sizeof(uint32_t);
3666 if (fw_entry->size < fwclen) {
3667 qla_printk(KERN_WARNING, ha,
3668 "Unable to verify integrity of flash firmware "
3669 "image (%Zd)!\n", fw_entry->size);
3670 goto fail_fw_integrity;
3671 }
3672
3673 fragment = 0;
3674 while (risc_size > 0 && rval == QLA_SUCCESS) {
3675 dlen = (uint32_t)(ha->fw_transfer_size >> 2);
3676 if (dlen > risc_size)
3677 dlen = risc_size;
3678
3679 DEBUG7(printk("scsi(%ld): Loading risc segment@ risc "
3680 "addr %x, number of dwords 0x%x.\n", ha->host_no,
3681 risc_addr, dlen));
3682
3683 for (i = 0; i < dlen; i++)
3684 dcode[i] = swab32(fwcode[i]);
3685
3686 rval = qla2x00_load_ram_ext(ha, ha->request_dma,
3687 risc_addr, dlen);
3688 if (rval) {
3689 DEBUG(printk("scsi(%ld):[ERROR] Failed to load "
3690 "segment %d of firmware\n", ha->host_no,
3691 fragment));
3692 qla_printk(KERN_WARNING, ha,
3693 "[ERROR] Failed to load segment %d of "
3694 "firmware\n", fragment);
3695 break;
3696 }
3697
3698 fwcode += dlen;
3699 risc_addr += dlen;
3700 risc_size -= dlen;
3701 fragment++;
3702 }
3703
3704 /* Next segment. */
3705 segments--;
3706 }
3707
3708 release_firmware(fw_entry);
3709 return rval;
3710
3711fail_fw_integrity:
3712
3713 release_firmware(fw_entry);
3714 return QLA_FUNCTION_FAILED;
3715
3716}
Linux 6.x block layer and io_uring tree(s)