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[SCSI] qla2xxx: Consolidate "qla2xxx" string usage to a #define.
[deliverable/linux.git] / drivers / scsi / qla2xxx / qla_init.c
CommitLineData
1da177e4 1/*
fa90c54f
AV		 2 * QLogic Fibre Channel HBA Driver
3 * Copyright (c) 2003-2005 QLogic Corporation
1da177e4 4 *
fa90c54f 5 * See LICENSE.qla2xxx for copyright and licensing details.
1da177e4
LT		 6 */
7#include "qla_def.h"
8
9#include <linux/delay.h>
0107109e 10#include <linux/vmalloc.h>
1da177e4
LT		 11
12#include "qla_devtbl.h"
13
14/* XXX(hch): this is ugly, but we don't want to pull in exioctl.h */
15#ifndef EXT_IS_LUN_BIT_SET
16#define EXT_IS_LUN_BIT_SET(P,L) \
17 (((P)->mask[L/8] & (0x80 >> (L%8)))?1:0)
18#define EXT_SET_LUN_BIT(P,L) \
19 ((P)->mask[L/8] |= (0x80 >> (L%8)))
20#endif
21
22/*
23* QLogic ISP2x00 Hardware Support Function Prototypes.
24*/
1da177e4 25static int qla2x00_isp_firmware(scsi_qla_host_t *);
1da177e4
LT		 26static void qla2x00_resize_request_q(scsi_qla_host_t *);
27static int qla2x00_setup_chip(scsi_qla_host_t *);
28static void qla2x00_init_response_q_entries(scsi_qla_host_t *);
29static int qla2x00_init_rings(scsi_qla_host_t *);
30static int qla2x00_fw_ready(scsi_qla_host_t *);
31static int qla2x00_configure_hba(scsi_qla_host_t *);
1da177e4
LT		 32static int qla2x00_configure_loop(scsi_qla_host_t *);
33static int qla2x00_configure_local_loop(scsi_qla_host_t *);
1da177e4
LT		 34static int qla2x00_configure_fabric(scsi_qla_host_t *);
35static int qla2x00_find_all_fabric_devs(scsi_qla_host_t *, struct list_head *);
36static int qla2x00_device_resync(scsi_qla_host_t *);
37static int qla2x00_fabric_dev_login(scsi_qla_host_t *, fc_port_t *,
38 uint16_t *);
1da177e4
LT		 39
40static int qla2x00_restart_isp(scsi_qla_host_t *);
1da177e4
LT		 41
42/****************************************************************************/
43/* QLogic ISP2x00 Hardware Support Functions. */
44/****************************************************************************/
45
46/*
47* qla2x00_initialize_adapter
48* Initialize board.
49*
50* Input:
51* ha = adapter block pointer.
52*
53* Returns:
54* 0 = success
55*/
56int
57qla2x00_initialize_adapter(scsi_qla_host_t *ha)
58{
59 int rval;
60 uint8_t restart_risc = 0;
61 uint8_t retry;
62 uint32_t wait_time;
63
64 /* Clear adapter flags. */
65 ha->flags.online = 0;
66 ha->flags.reset_active = 0;
67 atomic_set(&ha->loop_down_timer, LOOP_DOWN_TIME);
68 atomic_set(&ha->loop_state, LOOP_DOWN);
69 ha->device_flags = 0;
1da177e4 70 ha->dpc_flags = 0;
1da177e4
LT		 71 ha->flags.management_server_logged_in = 0;
72 ha->marker_needed = 0;
73 ha->mbx_flags = 0;
74 ha->isp_abort_cnt = 0;
75 ha->beacon_blink_led = 0;
cca5335c 76 set_bit(REGISTER_FDMI_NEEDED, &ha->dpc_flags);
1da177e4 77
0107109e 78 qla_printk(KERN_INFO, ha, "Configuring PCI space...\n");
abbd8870 79 rval = ha->isp_ops.pci_config(ha);
1da177e4
LT		 80 if (rval) {
81 DEBUG2(printk("scsi(%ld): Unable to configure PCI space=n",
82 ha->host_no));
83 return (rval);
84 }
85
abbd8870 86 ha->isp_ops.reset_chip(ha);
1da177e4 87
1da177e4 88 qla_printk(KERN_INFO, ha, "Configure NVRAM parameters...\n");
0107109e 89
abbd8870 90 ha->isp_ops.nvram_config(ha);
1da177e4
LT		 91
92 qla_printk(KERN_INFO, ha, "Verifying loaded RISC code...\n");
93
94 retry = 10;
95 /*
96 * Try to configure the loop.
97 */
98 do {
99 restart_risc = 0;
100
101 /* If firmware needs to be loaded */
102 if (qla2x00_isp_firmware(ha) != QLA_SUCCESS) {
abbd8870 103 if ((rval = ha->isp_ops.chip_diag(ha)) == QLA_SUCCESS) {
1da177e4
LT		 104 rval = qla2x00_setup_chip(ha);
105 }
106 }
107
108 if (rval == QLA_SUCCESS &&
109 (rval = qla2x00_init_rings(ha)) == QLA_SUCCESS) {
110check_fw_ready_again:
111 /*
fa2a1ce5 112 * Wait for a successful LIP up to a maximum
1da177e4
LT		 113 * of (in seconds): RISC login timeout value,
114 * RISC retry count value, and port down retry
fa2a1ce5 115 * value OR a minimum of 4 seconds OR If no
1da177e4
LT		 116 * cable, only 5 seconds.
117 */
118 rval = qla2x00_fw_ready(ha);
119 if (rval == QLA_SUCCESS) {
120 clear_bit(RESET_MARKER_NEEDED, &ha->dpc_flags);
121
0107109e
AV		 122 /* Issue a marker after FW becomes ready. */
123 qla2x00_marker(ha, 0, 0, MK_SYNC_ALL);
124
1da177e4
LT		 125 /*
126 * Wait at most MAX_TARGET RSCNs for a stable
127 * link.
128 */
129 wait_time = 256;
130 do {
131 clear_bit(LOOP_RESYNC_NEEDED,
132 &ha->dpc_flags);
133 rval = qla2x00_configure_loop(ha);
134
135 if (test_and_clear_bit(ISP_ABORT_NEEDED,
136 &ha->dpc_flags)) {
137 restart_risc = 1;
138 break;
139 }
140
141 /*
142 * If loop state change while we were
143 * discoverying devices then wait for
144 * LIP to complete
145 */
146
33135aa2
RA		 147 if (atomic_read(&ha->loop_state) !=
148 LOOP_READY && retry--) {
1da177e4
LT		 149 goto check_fw_ready_again;
150 }
151 wait_time--;
152 } while (!atomic_read(&ha->loop_down_timer) &&
153 retry &&
154 wait_time &&
155 (test_bit(LOOP_RESYNC_NEEDED,
156 &ha->dpc_flags)));
157
158 if (wait_time == 0)
159 rval = QLA_FUNCTION_FAILED;
1da177e4
LT		 160 } else if (ha->device_flags & DFLG_NO_CABLE)
161 /* If no cable, then all is good. */
162 rval = QLA_SUCCESS;
163 }
164 } while (restart_risc && retry--);
165
166 if (rval == QLA_SUCCESS) {
167 clear_bit(RESET_MARKER_NEEDED, &ha->dpc_flags);
1da177e4
LT		 168 qla2x00_marker(ha, 0, 0, MK_SYNC_ALL);
169 ha->marker_needed = 0;
170
171 ha->flags.online = 1;
172 } else {
173 DEBUG2_3(printk("%s(): **** FAILED ****\n", __func__));
174 }
175
176 return (rval);
177}
178
179/**
abbd8870 180 * qla2100_pci_config() - Setup ISP21xx PCI configuration registers.
1da177e4
LT		 181 * @ha: HA context
182 *
183 * Returns 0 on success.
184 */
abbd8870
AV		 185int
186qla2100_pci_config(scsi_qla_host_t *ha)
1da177e4 187{
abbd8870 188 uint16_t w, mwi;
27b2f679 189 uint32_t d;
abbd8870 190 unsigned long flags;
3d71644c 191 struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
1da177e4 192
1da177e4
LT		 193 pci_set_master(ha->pdev);
194 mwi = 0;
195 if (pci_set_mwi(ha->pdev))
196 mwi = PCI_COMMAND_INVALIDATE;
1da177e4 197
1da177e4
LT		 198 pci_read_config_word(ha->pdev, PCI_COMMAND, &w);
199 w |= mwi | (PCI_COMMAND_PARITY | PCI_COMMAND_SERR);
abbd8870
AV		 200 pci_write_config_word(ha->pdev, PCI_COMMAND, w);
201
202 /* Reset expansion ROM address decode enable */
27b2f679
AK		 203 pci_read_config_dword(ha->pdev, PCI_ROM_ADDRESS, &d);
204 d &= ~PCI_ROM_ADDRESS_ENABLE;
205 pci_write_config_dword(ha->pdev, PCI_ROM_ADDRESS, d);
1da177e4
LT		 206
207 /* Get PCI bus information. */
208 spin_lock_irqsave(&ha->hardware_lock, flags);
3d71644c 209 ha->pci_attr = RD_REG_WORD(&reg->ctrl_status);
1da177e4
LT		 210 spin_unlock_irqrestore(&ha->hardware_lock, flags);
211
abbd8870
AV		 212 return QLA_SUCCESS;
213}
1da177e4 214
abbd8870
AV		 215/**
216 * qla2300_pci_config() - Setup ISP23xx PCI configuration registers.
217 * @ha: HA context
218 *
219 * Returns 0 on success.
220 */
221int
222qla2300_pci_config(scsi_qla_host_t *ha)
223{
224 uint16_t w, mwi;
27b2f679 225 uint32_t d;
abbd8870
AV		 226 unsigned long flags = 0;
227 uint32_t cnt;
3d71644c 228 struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
1da177e4 229
abbd8870
AV		 230 pci_set_master(ha->pdev);
231 mwi = 0;
232 if (pci_set_mwi(ha->pdev))
233 mwi = PCI_COMMAND_INVALIDATE;
1da177e4 234
abbd8870
AV		 235 pci_read_config_word(ha->pdev, PCI_COMMAND, &w);
236 w |= mwi | (PCI_COMMAND_PARITY | PCI_COMMAND_SERR);
1da177e4 237
abbd8870
AV		 238 if (IS_QLA2322(ha) || IS_QLA6322(ha))
239 w &= ~PCI_COMMAND_INTX_DISABLE;
1da177e4 240
abbd8870
AV		 241 /*
242 * If this is a 2300 card and not 2312, reset the
243 * COMMAND_INVALIDATE due to a bug in the 2300. Unfortunately,
244 * the 2310 also reports itself as a 2300 so we need to get the
245 * fb revision level -- a 6 indicates it really is a 2300 and
246 * not a 2310.
247 */
248 if (IS_QLA2300(ha)) {
249 spin_lock_irqsave(&ha->hardware_lock, flags);
1da177e4 250
abbd8870 251 /* Pause RISC. */
3d71644c 252 WRT_REG_WORD(&reg->hccr, HCCR_PAUSE_RISC);
abbd8870 253 for (cnt = 0; cnt < 30000; cnt++) {
3d71644c 254 if ((RD_REG_WORD(&reg->hccr) & HCCR_RISC_PAUSE) != 0)
abbd8870 255 break;
1da177e4 256
abbd8870
AV		 257 udelay(10);
258 }
1da177e4 259
abbd8870 260 /* Select FPM registers. */
3d71644c
AV		 261 WRT_REG_WORD(&reg->ctrl_status, 0x20);
262 RD_REG_WORD(&reg->ctrl_status);
abbd8870
AV		 263
264 /* Get the fb rev level */
3d71644c 265 ha->fb_rev = RD_FB_CMD_REG(ha, reg);
abbd8870
AV		 266
267 if (ha->fb_rev == FPM_2300)
268 w &= ~PCI_COMMAND_INVALIDATE;
269
270 /* Deselect FPM registers. */
3d71644c
AV		 271 WRT_REG_WORD(&reg->ctrl_status, 0x0);
272 RD_REG_WORD(&reg->ctrl_status);
abbd8870
AV		 273
274 /* Release RISC module. */
3d71644c 275 WRT_REG_WORD(&reg->hccr, HCCR_RELEASE_RISC);
abbd8870 276 for (cnt = 0; cnt < 30000; cnt++) {
3d71644c 277 if ((RD_REG_WORD(&reg->hccr) & HCCR_RISC_PAUSE) == 0)
abbd8870
AV		 278 break;
279
280 udelay(10);
1da177e4 281 }
1da177e4 282
abbd8870
AV		 283 spin_unlock_irqrestore(&ha->hardware_lock, flags);
284 }
1da177e4
LT		 285 pci_write_config_word(ha->pdev, PCI_COMMAND, w);
286
abbd8870
AV		 287 pci_write_config_byte(ha->pdev, PCI_LATENCY_TIMER, 0x80);
288
1da177e4 289 /* Reset expansion ROM address decode enable */
27b2f679
AK		 290 pci_read_config_dword(ha->pdev, PCI_ROM_ADDRESS, &d);
291 d &= ~PCI_ROM_ADDRESS_ENABLE;
292 pci_write_config_dword(ha->pdev, PCI_ROM_ADDRESS, d);
1da177e4 293
abbd8870
AV		 294 /* Get PCI bus information. */
295 spin_lock_irqsave(&ha->hardware_lock, flags);
3d71644c 296 ha->pci_attr = RD_REG_WORD(&reg->ctrl_status);
abbd8870
AV		 297 spin_unlock_irqrestore(&ha->hardware_lock, flags);
298
299 return QLA_SUCCESS;
1da177e4
LT		 300}
301
0107109e
AV		 302/**
303 * qla24xx_pci_config() - Setup ISP24xx PCI configuration registers.
304 * @ha: HA context
305 *
306 * Returns 0 on success.
307 */
308int
309qla24xx_pci_config(scsi_qla_host_t *ha)
310{
311 uint16_t w, mwi;
27b2f679 312 uint32_t d;
0107109e
AV		 313 unsigned long flags = 0;
314 struct device_reg_24xx __iomem *reg = &ha->iobase->isp24;
315 int pcix_cmd_reg, pcie_dctl_reg;
316
317 pci_set_master(ha->pdev);
318 mwi = 0;
319 if (pci_set_mwi(ha->pdev))
320 mwi = PCI_COMMAND_INVALIDATE;
0107109e
AV		 321
322 pci_read_config_word(ha->pdev, PCI_COMMAND, &w);
323 w |= mwi | (PCI_COMMAND_PARITY | PCI_COMMAND_SERR);
324 w &= ~PCI_COMMAND_INTX_DISABLE;
325 pci_write_config_word(ha->pdev, PCI_COMMAND, w);
326
327 pci_write_config_byte(ha->pdev, PCI_LATENCY_TIMER, 0x80);
328
329 /* PCI-X -- adjust Maximum Memory Read Byte Count (2048). */
330 pcix_cmd_reg = pci_find_capability(ha->pdev, PCI_CAP_ID_PCIX);
331 if (pcix_cmd_reg) {
332 uint16_t pcix_cmd;
333
334 pcix_cmd_reg += PCI_X_CMD;
335 pci_read_config_word(ha->pdev, pcix_cmd_reg, &pcix_cmd);
336 pcix_cmd &= ~PCI_X_CMD_MAX_READ;
337 pcix_cmd |= 0x0008;
338 pci_write_config_word(ha->pdev, pcix_cmd_reg, pcix_cmd);
339 }
340
341 /* PCIe -- adjust Maximum Read Request Size (2048). */
342 pcie_dctl_reg = pci_find_capability(ha->pdev, PCI_CAP_ID_EXP);
343 if (pcie_dctl_reg) {
344 uint16_t pcie_dctl;
345
346 pcie_dctl_reg += PCI_EXP_DEVCTL;
347 pci_read_config_word(ha->pdev, pcie_dctl_reg, &pcie_dctl);
348 pcie_dctl &= ~PCI_EXP_DEVCTL_READRQ;
349 pcie_dctl |= 0x4000;
350 pci_write_config_word(ha->pdev, pcie_dctl_reg, pcie_dctl);
351 }
352
353 /* Reset expansion ROM address decode enable */
27b2f679
AK		 354 pci_read_config_dword(ha->pdev, PCI_ROM_ADDRESS, &d);
355 d &= ~PCI_ROM_ADDRESS_ENABLE;
356 pci_write_config_dword(ha->pdev, PCI_ROM_ADDRESS, d);
0107109e
AV		 357
358 /* Get PCI bus information. */
359 spin_lock_irqsave(&ha->hardware_lock, flags);
360 ha->pci_attr = RD_REG_DWORD(&reg->ctrl_status);
361 spin_unlock_irqrestore(&ha->hardware_lock, flags);
362
363 return QLA_SUCCESS;
364}
365
1da177e4
LT		 366/**
367 * qla2x00_isp_firmware() - Choose firmware image.
368 * @ha: HA context
369 *
370 * Returns 0 on success.
371 */
372static int
373qla2x00_isp_firmware(scsi_qla_host_t *ha)
374{
375 int rval;
376
377 /* Assume loading risc code */
fa2a1ce5 378 rval = QLA_FUNCTION_FAILED;
1da177e4
LT		 379
380 if (ha->flags.disable_risc_code_load) {
381 DEBUG2(printk("scsi(%ld): RISC CODE NOT loaded\n",
382 ha->host_no));
383 qla_printk(KERN_INFO, ha, "RISC CODE NOT loaded\n");
384
385 /* Verify checksum of loaded RISC code. */
441d1072 386 rval = qla2x00_verify_checksum(ha, ha->fw_srisc_address);
1da177e4
LT		 387 }
388
389 if (rval) {
390 DEBUG2_3(printk("scsi(%ld): **** Load RISC code ****\n",
391 ha->host_no));
392 }
393
394 return (rval);
395}
396
397/**
398 * qla2x00_reset_chip() - Reset ISP chip.
399 * @ha: HA context
400 *
401 * Returns 0 on success.
402 */
abbd8870 403void
fa2a1ce5 404qla2x00_reset_chip(scsi_qla_host_t *ha)
1da177e4
LT		 405{
406 unsigned long flags = 0;
3d71644c 407 struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
1da177e4 408 uint32_t cnt;
1da177e4
LT		 409 uint16_t cmd;
410
abbd8870 411 ha->isp_ops.disable_intrs(ha);
1da177e4
LT		 412
413 spin_lock_irqsave(&ha->hardware_lock, flags);
414
415 /* Turn off master enable */
416 cmd = 0;
417 pci_read_config_word(ha->pdev, PCI_COMMAND, &cmd);
418 cmd &= ~PCI_COMMAND_MASTER;
419 pci_write_config_word(ha->pdev, PCI_COMMAND, cmd);
420
421 if (!IS_QLA2100(ha)) {
422 /* Pause RISC. */
423 WRT_REG_WORD(&reg->hccr, HCCR_PAUSE_RISC);
424 if (IS_QLA2200(ha) || IS_QLA2300(ha)) {
425 for (cnt = 0; cnt < 30000; cnt++) {
426 if ((RD_REG_WORD(&reg->hccr) &
427 HCCR_RISC_PAUSE) != 0)
428 break;
429 udelay(100);
430 }
431 } else {
432 RD_REG_WORD(&reg->hccr); /* PCI Posting. */
433 udelay(10);
434 }
435
436 /* Select FPM registers. */
437 WRT_REG_WORD(&reg->ctrl_status, 0x20);
438 RD_REG_WORD(&reg->ctrl_status); /* PCI Posting. */
439
440 /* FPM Soft Reset. */
441 WRT_REG_WORD(&reg->fpm_diag_config, 0x100);
442 RD_REG_WORD(&reg->fpm_diag_config); /* PCI Posting. */
443
444 /* Toggle Fpm Reset. */
445 if (!IS_QLA2200(ha)) {
446 WRT_REG_WORD(&reg->fpm_diag_config, 0x0);
447 RD_REG_WORD(&reg->fpm_diag_config); /* PCI Posting. */
448 }
449
450 /* Select frame buffer registers. */
451 WRT_REG_WORD(&reg->ctrl_status, 0x10);
452 RD_REG_WORD(&reg->ctrl_status); /* PCI Posting. */
453
454 /* Reset frame buffer FIFOs. */
455 if (IS_QLA2200(ha)) {
456 WRT_FB_CMD_REG(ha, reg, 0xa000);
457 RD_FB_CMD_REG(ha, reg); /* PCI Posting. */
458 } else {
459 WRT_FB_CMD_REG(ha, reg, 0x00fc);
460
461 /* Read back fb_cmd until zero or 3 seconds max */
462 for (cnt = 0; cnt < 3000; cnt++) {
463 if ((RD_FB_CMD_REG(ha, reg) & 0xff) == 0)
464 break;
465 udelay(100);
466 }
467 }
468
469 /* Select RISC module registers. */
470 WRT_REG_WORD(&reg->ctrl_status, 0);
471 RD_REG_WORD(&reg->ctrl_status); /* PCI Posting. */
472
473 /* Reset RISC processor. */
474 WRT_REG_WORD(&reg->hccr, HCCR_RESET_RISC);
475 RD_REG_WORD(&reg->hccr); /* PCI Posting. */
476
477 /* Release RISC processor. */
478 WRT_REG_WORD(&reg->hccr, HCCR_RELEASE_RISC);
479 RD_REG_WORD(&reg->hccr); /* PCI Posting. */
480 }
481
482 WRT_REG_WORD(&reg->hccr, HCCR_CLR_RISC_INT);
483 WRT_REG_WORD(&reg->hccr, HCCR_CLR_HOST_INT);
484
485 /* Reset ISP chip. */
486 WRT_REG_WORD(&reg->ctrl_status, CSR_ISP_SOFT_RESET);
487
488 /* Wait for RISC to recover from reset. */
489 if (IS_QLA2100(ha) || IS_QLA2200(ha) || IS_QLA2300(ha)) {
490 /*
491 * It is necessary to for a delay here since the card doesn't
492 * respond to PCI reads during a reset. On some architectures
493 * this will result in an MCA.
494 */
495 udelay(20);
496 for (cnt = 30000; cnt; cnt--) {
497 if ((RD_REG_WORD(&reg->ctrl_status) &
498 CSR_ISP_SOFT_RESET) == 0)
499 break;
500 udelay(100);
501 }
502 } else
503 udelay(10);
504
505 /* Reset RISC processor. */
506 WRT_REG_WORD(&reg->hccr, HCCR_RESET_RISC);
507
508 WRT_REG_WORD(&reg->semaphore, 0);
509
510 /* Release RISC processor. */
511 WRT_REG_WORD(&reg->hccr, HCCR_RELEASE_RISC);
512 RD_REG_WORD(&reg->hccr); /* PCI Posting. */
513
514 if (IS_QLA2100(ha) || IS_QLA2200(ha) || IS_QLA2300(ha)) {
515 for (cnt = 0; cnt < 30000; cnt++) {
ffb39f03 516 if (RD_MAILBOX_REG(ha, reg, 0) != MBS_BUSY)
1da177e4 517 break;
1da177e4
LT		 518
519 udelay(100);
520 }
521 } else
522 udelay(100);
523
524 /* Turn on master enable */
525 cmd |= PCI_COMMAND_MASTER;
526 pci_write_config_word(ha->pdev, PCI_COMMAND, cmd);
527
528 /* Disable RISC pause on FPM parity error. */
529 if (!IS_QLA2100(ha)) {
530 WRT_REG_WORD(&reg->hccr, HCCR_DISABLE_PARITY_PAUSE);
531 RD_REG_WORD(&reg->hccr); /* PCI Posting. */
532 }
533
534 spin_unlock_irqrestore(&ha->hardware_lock, flags);
535}
536
0107109e 537/**
88c26663 538 * qla24xx_reset_risc() - Perform full reset of ISP24xx RISC.
0107109e
AV		 539 * @ha: HA context
540 *
541 * Returns 0 on success.
542 */
88c26663
AV		 543static inline void
544qla24xx_reset_risc(scsi_qla_host_t *ha)
0107109e
AV		 545{
546 unsigned long flags = 0;
547 struct device_reg_24xx __iomem *reg = &ha->iobase->isp24;
548 uint32_t cnt, d2;
335a1cc9 549 uint16_t wd;
0107109e 550
0107109e
AV		 551 spin_lock_irqsave(&ha->hardware_lock, flags);
552
553 /* Reset RISC. */
554 WRT_REG_DWORD(&reg->ctrl_status, CSRX_DMA_SHUTDOWN|MWB_4096_BYTES);
555 for (cnt = 0; cnt < 30000; cnt++) {
556 if ((RD_REG_DWORD(&reg->ctrl_status) & CSRX_DMA_ACTIVE) == 0)
557 break;
558
559 udelay(10);
560 }
561
562 WRT_REG_DWORD(&reg->ctrl_status,
563 CSRX_ISP_SOFT_RESET|CSRX_DMA_SHUTDOWN|MWB_4096_BYTES);
335a1cc9 564 pci_read_config_word(ha->pdev, PCI_COMMAND, &wd);
88c26663 565
335a1cc9 566 udelay(100);
88c26663 567 /* Wait for firmware to complete NVRAM accesses. */
88c26663
AV		 568 d2 = (uint32_t) RD_REG_WORD(&reg->mailbox0);
569 for (cnt = 10000 ; cnt && d2; cnt--) {
570 udelay(5);
571 d2 = (uint32_t) RD_REG_WORD(&reg->mailbox0);
572 barrier();
573 }
574
335a1cc9 575 /* Wait for soft-reset to complete. */
0107109e
AV		 576 d2 = RD_REG_DWORD(&reg->ctrl_status);
577 for (cnt = 6000000 ; cnt && (d2 & CSRX_ISP_SOFT_RESET); cnt--) {
578 udelay(5);
579 d2 = RD_REG_DWORD(&reg->ctrl_status);
580 barrier();
581 }
582
583 WRT_REG_DWORD(&reg->hccr, HCCRX_SET_RISC_RESET);
584 RD_REG_DWORD(&reg->hccr);
585
586 WRT_REG_DWORD(&reg->hccr, HCCRX_REL_RISC_PAUSE);
587 RD_REG_DWORD(&reg->hccr);
588
589 WRT_REG_DWORD(&reg->hccr, HCCRX_CLR_RISC_RESET);
590 RD_REG_DWORD(&reg->hccr);
591
592 d2 = (uint32_t) RD_REG_WORD(&reg->mailbox0);
593 for (cnt = 6000000 ; cnt && d2; cnt--) {
594 udelay(5);
595 d2 = (uint32_t) RD_REG_WORD(&reg->mailbox0);
596 barrier();
597 }
598
599 spin_unlock_irqrestore(&ha->hardware_lock, flags);
600}
601
88c26663
AV		 602/**
603 * qla24xx_reset_chip() - Reset ISP24xx chip.
604 * @ha: HA context
605 *
606 * Returns 0 on success.
607 */
608void
609qla24xx_reset_chip(scsi_qla_host_t *ha)
610{
611 ha->isp_ops.disable_intrs(ha);
612
613 /* Perform RISC reset. */
614 qla24xx_reset_risc(ha);
615}
616
1da177e4
LT		 617/**
618 * qla2x00_chip_diag() - Test chip for proper operation.
619 * @ha: HA context
620 *
621 * Returns 0 on success.
622 */
abbd8870 623int
1da177e4
LT		 624qla2x00_chip_diag(scsi_qla_host_t *ha)
625{
626 int rval;
3d71644c 627 struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
1da177e4
LT		 628 unsigned long flags = 0;
629 uint16_t data;
630 uint32_t cnt;
631 uint16_t mb[5];
632
633 /* Assume a failed state */
634 rval = QLA_FUNCTION_FAILED;
635
636 DEBUG3(printk("scsi(%ld): Testing device at %lx.\n",
637 ha->host_no, (u_long)&reg->flash_address));
638
639 spin_lock_irqsave(&ha->hardware_lock, flags);
640
641 /* Reset ISP chip. */
642 WRT_REG_WORD(&reg->ctrl_status, CSR_ISP_SOFT_RESET);
643
644 /*
645 * We need to have a delay here since the card will not respond while
646 * in reset causing an MCA on some architectures.
647 */
648 udelay(20);
649 data = qla2x00_debounce_register(&reg->ctrl_status);
650 for (cnt = 6000000 ; cnt && (data & CSR_ISP_SOFT_RESET); cnt--) {
651 udelay(5);
652 data = RD_REG_WORD(&reg->ctrl_status);
653 barrier();
654 }
655
656 if (!cnt)
657 goto chip_diag_failed;
658
659 DEBUG3(printk("scsi(%ld): Reset register cleared by chip reset\n",
660 ha->host_no));
661
662 /* Reset RISC processor. */
663 WRT_REG_WORD(&reg->hccr, HCCR_RESET_RISC);
664 WRT_REG_WORD(&reg->hccr, HCCR_RELEASE_RISC);
665
666 /* Workaround for QLA2312 PCI parity error */
667 if (IS_QLA2100(ha) || IS_QLA2200(ha) || IS_QLA2300(ha)) {
668 data = qla2x00_debounce_register(MAILBOX_REG(ha, reg, 0));
669 for (cnt = 6000000; cnt && (data == MBS_BUSY); cnt--) {
670 udelay(5);
671 data = RD_MAILBOX_REG(ha, reg, 0);
fa2a1ce5 672 barrier();
1da177e4
LT		 673 }
674 } else
675 udelay(10);
676
677 if (!cnt)
678 goto chip_diag_failed;
679
680 /* Check product ID of chip */
681 DEBUG3(printk("scsi(%ld): Checking product ID of chip\n", ha->host_no));
682
683 mb[1] = RD_MAILBOX_REG(ha, reg, 1);
684 mb[2] = RD_MAILBOX_REG(ha, reg, 2);
685 mb[3] = RD_MAILBOX_REG(ha, reg, 3);
686 mb[4] = qla2x00_debounce_register(MAILBOX_REG(ha, reg, 4));
687 if (mb[1] != PROD_ID_1 || (mb[2] != PROD_ID_2 && mb[2] != PROD_ID_2a) ||
688 mb[3] != PROD_ID_3) {
689 qla_printk(KERN_WARNING, ha,
690 "Wrong product ID = 0x%x,0x%x,0x%x\n", mb[1], mb[2], mb[3]);
691
692 goto chip_diag_failed;
693 }
694 ha->product_id[0] = mb[1];
695 ha->product_id[1] = mb[2];
696 ha->product_id[2] = mb[3];
697 ha->product_id[3] = mb[4];
698
699 /* Adjust fw RISC transfer size */
700 if (ha->request_q_length > 1024)
701 ha->fw_transfer_size = REQUEST_ENTRY_SIZE * 1024;
702 else
703 ha->fw_transfer_size = REQUEST_ENTRY_SIZE *
704 ha->request_q_length;
705
706 if (IS_QLA2200(ha) &&
707 RD_MAILBOX_REG(ha, reg, 7) == QLA2200A_RISC_ROM_VER) {
708 /* Limit firmware transfer size with a 2200A */
709 DEBUG3(printk("scsi(%ld): Found QLA2200A chip.\n",
710 ha->host_no));
711
ea5b6382 712 ha->device_type |= DT_ISP2200A;
1da177e4
LT		 713 ha->fw_transfer_size = 128;
714 }
715
716 /* Wrap Incoming Mailboxes Test. */
717 spin_unlock_irqrestore(&ha->hardware_lock, flags);
718
719 DEBUG3(printk("scsi(%ld): Checking mailboxes.\n", ha->host_no));
720 rval = qla2x00_mbx_reg_test(ha);
721 if (rval) {
722 DEBUG(printk("scsi(%ld): Failed mailbox send register test\n",
723 ha->host_no));
724 qla_printk(KERN_WARNING, ha,
725 "Failed mailbox send register test\n");
726 }
727 else {
728 /* Flag a successful rval */
729 rval = QLA_SUCCESS;
730 }
731 spin_lock_irqsave(&ha->hardware_lock, flags);
732
733chip_diag_failed:
734 if (rval)
735 DEBUG2_3(printk("scsi(%ld): Chip diagnostics **** FAILED "
736 "****\n", ha->host_no));
737
738 spin_unlock_irqrestore(&ha->hardware_lock, flags);
739
740 return (rval);
741}
742
0107109e
AV		 743/**
744 * qla24xx_chip_diag() - Test ISP24xx for proper operation.
745 * @ha: HA context
746 *
747 * Returns 0 on success.
748 */
749int
750qla24xx_chip_diag(scsi_qla_host_t *ha)
751{
752 int rval;
0107109e 753
88c26663
AV		 754 /* Perform RISC reset. */
755 qla24xx_reset_risc(ha);
0107109e
AV		 756
757 ha->fw_transfer_size = REQUEST_ENTRY_SIZE * 1024;
758
759 rval = qla2x00_mbx_reg_test(ha);
760 if (rval) {
761 DEBUG(printk("scsi(%ld): Failed mailbox send register test\n",
762 ha->host_no));
763 qla_printk(KERN_WARNING, ha,
764 "Failed mailbox send register test\n");
765 } else {
766 /* Flag a successful rval */
767 rval = QLA_SUCCESS;
768 }
769
770 return rval;
771}
772
773static void
774qla2x00_alloc_fw_dump(scsi_qla_host_t *ha)
775{
776 ha->fw_dumped = 0;
777 ha->fw_dump24_len = sizeof(struct qla24xx_fw_dump);
778 ha->fw_dump24_len += (ha->fw_memory_size - 0x100000) * sizeof(uint32_t);
779 ha->fw_dump24 = vmalloc(ha->fw_dump24_len);
780 if (ha->fw_dump24)
781 qla_printk(KERN_INFO, ha, "Allocated (%d KB) for firmware "
782 "dump...\n", ha->fw_dump24_len / 1024);
783 else
784 qla_printk(KERN_WARNING, ha, "Unable to allocate (%d KB) for "
785 "firmware dump!!!\n", ha->fw_dump24_len / 1024);
786}
787
1da177e4
LT		 788/**
789 * qla2x00_resize_request_q() - Resize request queue given available ISP memory.
790 * @ha: HA context
791 *
792 * Returns 0 on success.
793 */
794static void
795qla2x00_resize_request_q(scsi_qla_host_t *ha)
796{
797 int rval;
798 uint16_t fw_iocb_cnt = 0;
799 uint16_t request_q_length = REQUEST_ENTRY_CNT_2XXX_EXT_MEM;
800 dma_addr_t request_dma;
801 request_t *request_ring;
802
803 /* Valid only on recent ISPs. */
804 if (IS_QLA2100(ha) || IS_QLA2200(ha))
805 return;
806
044cc6c8 807 if (IS_QLA24XX(ha) || IS_QLA54XX(ha))
0107109e
AV		 808 qla2x00_alloc_fw_dump(ha);
809
1da177e4
LT		 810 /* Retrieve IOCB counts available to the firmware. */
811 rval = qla2x00_get_resource_cnts(ha, NULL, NULL, NULL, &fw_iocb_cnt);
812 if (rval)
813 return;
814 /* No point in continuing if current settings are sufficient. */
815 if (fw_iocb_cnt < 1024)
816 return;
817 if (ha->request_q_length >= request_q_length)
818 return;
819
820 /* Attempt to claim larger area for request queue. */
821 request_ring = dma_alloc_coherent(&ha->pdev->dev,
822 (request_q_length + 1) * sizeof(request_t), &request_dma,
823 GFP_KERNEL);
824 if (request_ring == NULL)
825 return;
826
827 /* Resize successful, report extensions. */
828 qla_printk(KERN_INFO, ha, "Extended memory detected (%d KB)...\n",
829 (ha->fw_memory_size + 1) / 1024);
830 qla_printk(KERN_INFO, ha, "Resizing request queue depth "
831 "(%d -> %d)...\n", ha->request_q_length, request_q_length);
832
833 /* Clear old allocations. */
834 dma_free_coherent(&ha->pdev->dev,
835 (ha->request_q_length + 1) * sizeof(request_t), ha->request_ring,
836 ha->request_dma);
837
838 /* Begin using larger queue. */
839 ha->request_q_length = request_q_length;
840 ha->request_ring = request_ring;
841 ha->request_dma = request_dma;
842}
843
844/**
845 * qla2x00_setup_chip() - Load and start RISC firmware.
846 * @ha: HA context
847 *
848 * Returns 0 on success.
849 */
850static int
851qla2x00_setup_chip(scsi_qla_host_t *ha)
852{
0107109e
AV		 853 int rval;
854 uint32_t srisc_address = 0;
1da177e4
LT		 855
856 /* Load firmware sequences */
0107109e
AV		 857 rval = ha->isp_ops.load_risc(ha, &srisc_address);
858 if (rval == QLA_SUCCESS) {
1da177e4
LT		 859 DEBUG(printk("scsi(%ld): Verifying Checksum of loaded RISC "
860 "code.\n", ha->host_no));
861
0107109e 862 rval = qla2x00_verify_checksum(ha, srisc_address);
1da177e4
LT		 863 if (rval == QLA_SUCCESS) {
864 /* Start firmware execution. */
865 DEBUG(printk("scsi(%ld): Checksum OK, start "
866 "firmware.\n", ha->host_no));
867
0107109e 868 rval = qla2x00_execute_fw(ha, srisc_address);
1da177e4
LT		 869 /* Retrieve firmware information. */
870 if (rval == QLA_SUCCESS && ha->fw_major_version == 0) {
871 qla2x00_get_fw_version(ha,
872 &ha->fw_major_version,
873 &ha->fw_minor_version,
874 &ha->fw_subminor_version,
875 &ha->fw_attributes, &ha->fw_memory_size);
876 qla2x00_resize_request_q(ha);
877 }
878 } else {
879 DEBUG2(printk(KERN_INFO
880 "scsi(%ld): ISP Firmware failed checksum.\n",
881 ha->host_no));
882 }
883 }
884
885 if (rval) {
886 DEBUG2_3(printk("scsi(%ld): Setup chip **** FAILED ****.\n",
887 ha->host_no));
888 }
889
890 return (rval);
891}
892
893/**
894 * qla2x00_init_response_q_entries() - Initializes response queue entries.
895 * @ha: HA context
896 *
897 * Beginning of request ring has initialization control block already built
898 * by nvram config routine.
899 *
900 * Returns 0 on success.
901 */
902static void
903qla2x00_init_response_q_entries(scsi_qla_host_t *ha)
904{
905 uint16_t cnt;
906 response_t *pkt;
907
908 pkt = ha->response_ring_ptr;
909 for (cnt = 0; cnt < ha->response_q_length; cnt++) {
910 pkt->signature = RESPONSE_PROCESSED;
911 pkt++;
912 }
913
914}
915
916/**
917 * qla2x00_update_fw_options() - Read and process firmware options.
918 * @ha: HA context
919 *
920 * Returns 0 on success.
921 */
abbd8870 922void
1da177e4
LT		 923qla2x00_update_fw_options(scsi_qla_host_t *ha)
924{
925 uint16_t swing, emphasis, tx_sens, rx_sens;
926
927 memset(ha->fw_options, 0, sizeof(ha->fw_options));
928 qla2x00_get_fw_options(ha, ha->fw_options);
929
930 if (IS_QLA2100(ha) || IS_QLA2200(ha))
931 return;
932
933 /* Serial Link options. */
934 DEBUG3(printk("scsi(%ld): Serial link options:\n",
935 ha->host_no));
936 DEBUG3(qla2x00_dump_buffer((uint8_t *)&ha->fw_seriallink_options,
937 sizeof(ha->fw_seriallink_options)));
938
939 ha->fw_options[1] &= ~FO1_SET_EMPHASIS_SWING;
940 if (ha->fw_seriallink_options[3] & BIT_2) {
941 ha->fw_options[1] |= FO1_SET_EMPHASIS_SWING;
942
943 /* 1G settings */
944 swing = ha->fw_seriallink_options[2] & (BIT_2 | BIT_1 | BIT_0);
945 emphasis = (ha->fw_seriallink_options[2] &
946 (BIT_4 | BIT_3)) >> 3;
947 tx_sens = ha->fw_seriallink_options[0] &
fa2a1ce5 948 (BIT_3 | BIT_2 | BIT_1 | BIT_0);
1da177e4
LT		 949 rx_sens = (ha->fw_seriallink_options[0] &
950 (BIT_7 | BIT_6 | BIT_5 | BIT_4)) >> 4;
951 ha->fw_options[10] = (emphasis << 14) | (swing << 8);
952 if (IS_QLA2300(ha) || IS_QLA2312(ha) || IS_QLA6312(ha)) {
953 if (rx_sens == 0x0)
954 rx_sens = 0x3;
955 ha->fw_options[10] |= (tx_sens << 4) | rx_sens;
956 } else if (IS_QLA2322(ha) || IS_QLA6322(ha))
957 ha->fw_options[10] |= BIT_5 |
958 ((rx_sens & (BIT_1 | BIT_0)) << 2) |
959 (tx_sens & (BIT_1 | BIT_0));
960
961 /* 2G settings */
962 swing = (ha->fw_seriallink_options[2] &
963 (BIT_7 | BIT_6 | BIT_5)) >> 5;
964 emphasis = ha->fw_seriallink_options[3] & (BIT_1 | BIT_0);
965 tx_sens = ha->fw_seriallink_options[1] &
fa2a1ce5 966 (BIT_3 | BIT_2 | BIT_1 | BIT_0);
1da177e4
LT		 967 rx_sens = (ha->fw_seriallink_options[1] &
968 (BIT_7 | BIT_6 | BIT_5 | BIT_4)) >> 4;
969 ha->fw_options[11] = (emphasis << 14) | (swing << 8);
970 if (IS_QLA2300(ha) || IS_QLA2312(ha) || IS_QLA6312(ha)) {
971 if (rx_sens == 0x0)
972 rx_sens = 0x3;
973 ha->fw_options[11] |= (tx_sens << 4) | rx_sens;
974 } else if (IS_QLA2322(ha) || IS_QLA6322(ha))
975 ha->fw_options[11] |= BIT_5 |
976 ((rx_sens & (BIT_1 | BIT_0)) << 2) |
977 (tx_sens & (BIT_1 | BIT_0));
978 }
979
980 /* FCP2 options. */
981 /* Return command IOCBs without waiting for an ABTS to complete. */
982 ha->fw_options[3] |= BIT_13;
983
984 /* LED scheme. */
985 if (ha->flags.enable_led_scheme)
986 ha->fw_options[2] |= BIT_12;
987
48c02fde 988 /* Detect ISP6312. */
989 if (IS_QLA6312(ha))
990 ha->fw_options[2] |= BIT_13;
991
1da177e4
LT		 992 /* Update firmware options. */
993 qla2x00_set_fw_options(ha, ha->fw_options);
994}
995
0107109e
AV		 996void
997qla24xx_update_fw_options(scsi_qla_host_t *ha)
998{
999 int rval;
1000
1001 /* Update Serial Link options. */
f94097ed 1002 if ((le16_to_cpu(ha->fw_seriallink_options24[0]) & BIT_0) == 0)
0107109e
AV		 1003 return;
1004
f94097ed 1005 rval = qla2x00_set_serdes_params(ha,
1006 le16_to_cpu(ha->fw_seriallink_options24[1]),
1007 le16_to_cpu(ha->fw_seriallink_options24[2]),
1008 le16_to_cpu(ha->fw_seriallink_options24[3]));
0107109e
AV		 1009 if (rval != QLA_SUCCESS) {
1010 qla_printk(KERN_WARNING, ha,
1011 "Unable to update Serial Link options (%x).\n", rval);
1012 }
1013}
1014
abbd8870
AV		 1015void
1016qla2x00_config_rings(struct scsi_qla_host *ha)
1017{
3d71644c 1018 struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
abbd8870
AV		 1019
1020 /* Setup ring parameters in initialization control block. */
1021 ha->init_cb->request_q_outpointer = __constant_cpu_to_le16(0);
1022 ha->init_cb->response_q_inpointer = __constant_cpu_to_le16(0);
1023 ha->init_cb->request_q_length = cpu_to_le16(ha->request_q_length);
1024 ha->init_cb->response_q_length = cpu_to_le16(ha->response_q_length);
1025 ha->init_cb->request_q_address[0] = cpu_to_le32(LSD(ha->request_dma));
1026 ha->init_cb->request_q_address[1] = cpu_to_le32(MSD(ha->request_dma));
1027 ha->init_cb->response_q_address[0] = cpu_to_le32(LSD(ha->response_dma));
1028 ha->init_cb->response_q_address[1] = cpu_to_le32(MSD(ha->response_dma));
1029
1030 WRT_REG_WORD(ISP_REQ_Q_IN(ha, reg), 0);
1031 WRT_REG_WORD(ISP_REQ_Q_OUT(ha, reg), 0);
1032 WRT_REG_WORD(ISP_RSP_Q_IN(ha, reg), 0);
1033 WRT_REG_WORD(ISP_RSP_Q_OUT(ha, reg), 0);
1034 RD_REG_WORD(ISP_RSP_Q_OUT(ha, reg)); /* PCI Posting. */
1035}
1036
0107109e
AV		 1037void
1038qla24xx_config_rings(struct scsi_qla_host *ha)
1039{
1040 struct device_reg_24xx __iomem *reg = &ha->iobase->isp24;
1041 struct init_cb_24xx *icb;
1042
1043 /* Setup ring parameters in initialization control block. */
1044 icb = (struct init_cb_24xx *)ha->init_cb;
1045 icb->request_q_outpointer = __constant_cpu_to_le16(0);
1046 icb->response_q_inpointer = __constant_cpu_to_le16(0);
1047 icb->request_q_length = cpu_to_le16(ha->request_q_length);
1048 icb->response_q_length = cpu_to_le16(ha->response_q_length);
1049 icb->request_q_address[0] = cpu_to_le32(LSD(ha->request_dma));
1050 icb->request_q_address[1] = cpu_to_le32(MSD(ha->request_dma));
1051 icb->response_q_address[0] = cpu_to_le32(LSD(ha->response_dma));
1052 icb->response_q_address[1] = cpu_to_le32(MSD(ha->response_dma));
1053
1054 WRT_REG_DWORD(&reg->req_q_in, 0);
1055 WRT_REG_DWORD(&reg->req_q_out, 0);
1056 WRT_REG_DWORD(&reg->rsp_q_in, 0);
1057 WRT_REG_DWORD(&reg->rsp_q_out, 0);
1058 RD_REG_DWORD(&reg->rsp_q_out);
1059}
1060
1da177e4
LT		 1061/**
1062 * qla2x00_init_rings() - Initializes firmware.
1063 * @ha: HA context
1064 *
1065 * Beginning of request ring has initialization control block already built
1066 * by nvram config routine.
1067 *
1068 * Returns 0 on success.
1069 */
1070static int
1071qla2x00_init_rings(scsi_qla_host_t *ha)
1072{
1073 int rval;
1074 unsigned long flags = 0;
1075 int cnt;
1da177e4
LT		 1076
1077 spin_lock_irqsave(&ha->hardware_lock, flags);
1078
1079 /* Clear outstanding commands array. */
1080 for (cnt = 0; cnt < MAX_OUTSTANDING_COMMANDS; cnt++)
1081 ha->outstanding_cmds[cnt] = NULL;
1082
1083 ha->current_outstanding_cmd = 0;
1084
1085 /* Clear RSCN queue. */
1086 ha->rscn_in_ptr = 0;
1087 ha->rscn_out_ptr = 0;
1088
1089 /* Initialize firmware. */
1090 ha->request_ring_ptr = ha->request_ring;
1091 ha->req_ring_index = 0;
1092 ha->req_q_cnt = ha->request_q_length;
1093 ha->response_ring_ptr = ha->response_ring;
1094 ha->rsp_ring_index = 0;
1095
1da177e4
LT		 1096 /* Initialize response queue entries */
1097 qla2x00_init_response_q_entries(ha);
1098
abbd8870 1099 ha->isp_ops.config_rings(ha);
1da177e4
LT		 1100
1101 spin_unlock_irqrestore(&ha->hardware_lock, flags);
1102
1103 /* Update any ISP specific firmware options before initialization. */
abbd8870 1104 ha->isp_ops.update_fw_options(ha);
1da177e4
LT		 1105
1106 DEBUG(printk("scsi(%ld): Issue init firmware.\n", ha->host_no));
0107109e 1107 rval = qla2x00_init_firmware(ha, ha->init_cb_size);
1da177e4
LT		 1108 if (rval) {
1109 DEBUG2_3(printk("scsi(%ld): Init firmware **** FAILED ****.\n",
1110 ha->host_no));
1111 } else {
1112 DEBUG3(printk("scsi(%ld): Init firmware -- success.\n",
1113 ha->host_no));
1114 }
1115
1116 return (rval);
1117}
1118
1119/**
1120 * qla2x00_fw_ready() - Waits for firmware ready.
1121 * @ha: HA context
1122 *
1123 * Returns 0 on success.
1124 */
1125static int
1126qla2x00_fw_ready(scsi_qla_host_t *ha)
1127{
1128 int rval;
1129 unsigned long wtime, mtime;
1130 uint16_t min_wait; /* Minimum wait time if loop is down */
1131 uint16_t wait_time; /* Wait time if loop is coming ready */
1132 uint16_t fw_state;
1133
1134 rval = QLA_SUCCESS;
1135
1136 /* 20 seconds for loop down. */
fa2a1ce5 1137 min_wait = 20;
1da177e4
LT		 1138
1139 /*
1140 * Firmware should take at most one RATOV to login, plus 5 seconds for
1141 * our own processing.
1142 */
1143 if ((wait_time = (ha->retry_count*ha->login_timeout) + 5) < min_wait) {
1144 wait_time = min_wait;
1145 }
1146
1147 /* Min wait time if loop down */
1148 mtime = jiffies + (min_wait * HZ);
1149
1150 /* wait time before firmware ready */
1151 wtime = jiffies + (wait_time * HZ);
1152
1153 /* Wait for ISP to finish LIP */
1154 if (!ha->flags.init_done)
1155 qla_printk(KERN_INFO, ha, "Waiting for LIP to complete...\n");
1156
1157 DEBUG3(printk("scsi(%ld): Waiting for LIP to complete...\n",
1158 ha->host_no));
1159
1160 do {
1161 rval = qla2x00_get_firmware_state(ha, &fw_state);
1162 if (rval == QLA_SUCCESS) {
1163 if (fw_state < FSTATE_LOSS_OF_SYNC) {
1164 ha->device_flags &= ~DFLG_NO_CABLE;
1165 }
1166 if (fw_state == FSTATE_READY) {
1167 DEBUG(printk("scsi(%ld): F/W Ready - OK \n",
1168 ha->host_no));
1169
1170 qla2x00_get_retry_cnt(ha, &ha->retry_count,
1171 &ha->login_timeout, &ha->r_a_tov);
1172
1173 rval = QLA_SUCCESS;
1174 break;
1175 }
1176
1177 rval = QLA_FUNCTION_FAILED;
1178
1179 if (atomic_read(&ha->loop_down_timer) &&
1180 (fw_state >= FSTATE_LOSS_OF_SYNC ||
1181 fw_state == FSTATE_WAIT_AL_PA)) {
1182 /* Loop down. Timeout on min_wait for states
fa2a1ce5
AV		 1183 * other than Wait for Login.
1184 */
1da177e4
LT		 1185 if (time_after_eq(jiffies, mtime)) {
1186 qla_printk(KERN_INFO, ha,
1187 "Cable is unplugged...\n");
1188
1189 ha->device_flags |= DFLG_NO_CABLE;
1190 break;
1191 }
1192 }
1193 } else {
1194 /* Mailbox cmd failed. Timeout on min_wait. */
1195 if (time_after_eq(jiffies, mtime))
1196 break;
1197 }
1198
1199 if (time_after_eq(jiffies, wtime))
1200 break;
1201
1202 /* Delay for a while */
1203 msleep(500);
1204
1205 DEBUG3(printk("scsi(%ld): fw_state=%x curr time=%lx.\n",
1206 ha->host_no, fw_state, jiffies));
1207 } while (1);
1208
1209 DEBUG(printk("scsi(%ld): fw_state=%x curr time=%lx.\n",
1210 ha->host_no, fw_state, jiffies));
1211
1212 if (rval) {
1213 DEBUG2_3(printk("scsi(%ld): Firmware ready **** FAILED ****.\n",
1214 ha->host_no));
1215 }
1216
1217 return (rval);
1218}
1219
1220/*
1221* qla2x00_configure_hba
1222* Setup adapter context.
1223*
1224* Input:
1225* ha = adapter state pointer.
1226*
1227* Returns:
1228* 0 = success
1229*
1230* Context:
1231* Kernel context.
1232*/
1233static int
1234qla2x00_configure_hba(scsi_qla_host_t *ha)
1235{
1236 int rval;
1237 uint16_t loop_id;
1238 uint16_t topo;
1239 uint8_t al_pa;
1240 uint8_t area;
1241 uint8_t domain;
1242 char connect_type[22];
1243
1244 /* Get host addresses. */
1245 rval = qla2x00_get_adapter_id(ha,
1246 &loop_id, &al_pa, &area, &domain, &topo);
1247 if (rval != QLA_SUCCESS) {
23443b1d 1248 if (LOOP_TRANSITION(ha) || atomic_read(&ha->loop_down_timer) ||
33135aa2
RA		 1249 (rval == QLA_COMMAND_ERROR && loop_id == 0x7)) {
1250 DEBUG2(printk("%s(%ld) Loop is in a transition state\n",
1251 __func__, ha->host_no));
1252 } else {
1253 qla_printk(KERN_WARNING, ha,
1254 "ERROR -- Unable to get host loop ID.\n");
1255 set_bit(ISP_ABORT_NEEDED, &ha->dpc_flags);
1256 }
1da177e4
LT		 1257 return (rval);
1258 }
1259
1260 if (topo == 4) {
1261 qla_printk(KERN_INFO, ha,
1262 "Cannot get topology - retrying.\n");
1263 return (QLA_FUNCTION_FAILED);
1264 }
1265
1266 ha->loop_id = loop_id;
1267
1268 /* initialize */
1269 ha->min_external_loopid = SNS_FIRST_LOOP_ID;
1270 ha->operating_mode = LOOP;
1271
1272 switch (topo) {
1273 case 0:
1274 DEBUG3(printk("scsi(%ld): HBA in NL topology.\n",
1275 ha->host_no));
1276 ha->current_topology = ISP_CFG_NL;
1277 strcpy(connect_type, "(Loop)");
1278 break;
1279
1280 case 1:
1281 DEBUG3(printk("scsi(%ld): HBA in FL topology.\n",
1282 ha->host_no));
1283 ha->current_topology = ISP_CFG_FL;
1284 strcpy(connect_type, "(FL_Port)");
1285 break;
1286
1287 case 2:
1288 DEBUG3(printk("scsi(%ld): HBA in N P2P topology.\n",
1289 ha->host_no));
1290 ha->operating_mode = P2P;
1291 ha->current_topology = ISP_CFG_N;
1292 strcpy(connect_type, "(N_Port-to-N_Port)");
1293 break;
1294
1295 case 3:
1296 DEBUG3(printk("scsi(%ld): HBA in F P2P topology.\n",
1297 ha->host_no));
1298 ha->operating_mode = P2P;
1299 ha->current_topology = ISP_CFG_F;
1300 strcpy(connect_type, "(F_Port)");
1301 break;
1302
1303 default:
1304 DEBUG3(printk("scsi(%ld): HBA in unknown topology %x. "
1305 "Using NL.\n",
1306 ha->host_no, topo));
1307 ha->current_topology = ISP_CFG_NL;
1308 strcpy(connect_type, "(Loop)");
1309 break;
1310 }
1311
1312 /* Save Host port and loop ID. */
1313 /* byte order - Big Endian */
1314 ha->d_id.b.domain = domain;
1315 ha->d_id.b.area = area;
1316 ha->d_id.b.al_pa = al_pa;
1317
1318 if (!ha->flags.init_done)
1319 qla_printk(KERN_INFO, ha,
1320 "Topology - %s, Host Loop address 0x%x\n",
1321 connect_type, ha->loop_id);
1322
1323 if (rval) {
1324 DEBUG2_3(printk("scsi(%ld): FAILED.\n", ha->host_no));
1325 } else {
1326 DEBUG3(printk("scsi(%ld): exiting normally.\n", ha->host_no));
1327 }
1328
1329 return(rval);
1330}
1331
1332/*
1333* NVRAM configuration for ISP 2xxx
1334*
1335* Input:
1336* ha = adapter block pointer.
1337*
1338* Output:
1339* initialization control block in response_ring
1340* host adapters parameters in host adapter block
1341*
1342* Returns:
1343* 0 = success.
1344*/
abbd8870 1345int
1da177e4
LT		 1346qla2x00_nvram_config(scsi_qla_host_t *ha)
1347{
0107109e
AV		 1348 int rval;
1349 uint8_t chksum = 0;
1350 uint16_t cnt;
1351 uint8_t *dptr1, *dptr2;
1352 init_cb_t *icb = ha->init_cb;
1353 nvram_t *nv = (nvram_t *)ha->request_ring;
1354 uint8_t *ptr = (uint8_t *)ha->request_ring;
3d71644c 1355 struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
1da177e4
LT		 1356
1357 rval = QLA_SUCCESS;
1358
1359 /* Determine NVRAM starting address. */
0107109e 1360 ha->nvram_size = sizeof(nvram_t);
1da177e4
LT		 1361 ha->nvram_base = 0;
1362 if (!IS_QLA2100(ha) && !IS_QLA2200(ha) && !IS_QLA2300(ha))
1363 if ((RD_REG_WORD(&reg->ctrl_status) >> 14) == 1)
1364 ha->nvram_base = 0x80;
1365
1366 /* Get NVRAM data and calculate checksum. */
0107109e
AV		 1367 ha->isp_ops.read_nvram(ha, ptr, ha->nvram_base, ha->nvram_size);
1368 for (cnt = 0, chksum = 0; cnt < ha->nvram_size; cnt++)
1369 chksum += *ptr++;
1da177e4
LT		 1370
1371 DEBUG5(printk("scsi(%ld): Contents of NVRAM\n", ha->host_no));
1372 DEBUG5(qla2x00_dump_buffer((uint8_t *)ha->request_ring,
0107109e 1373 ha->nvram_size));
1da177e4
LT		 1374
1375 /* Bad NVRAM data, set defaults parameters. */
1376 if (chksum || nv->id[0] != 'I' || nv->id[1] != 'S' ||
1377 nv->id[2] != 'P' || nv->id[3] != ' ' || nv->nvram_version < 1) {
1378 /* Reset NVRAM data. */
1379 qla_printk(KERN_WARNING, ha, "Inconsistent NVRAM detected: "
1380 "checksum=0x%x id=%c version=0x%x.\n", chksum, nv->id[0],
1381 nv->nvram_version);
1382 qla_printk(KERN_WARNING, ha, "Falling back to functioning (yet "
1383 "invalid -- WWPN) defaults.\n");
1384
1385 /*
1386 * Set default initialization control block.
1387 */
0107109e 1388 memset(nv, 0, ha->nvram_size);
1da177e4
LT		 1389 nv->parameter_block_version = ICB_VERSION;
1390
1391 if (IS_QLA23XX(ha)) {
1392 nv->firmware_options[0] = BIT_2 | BIT_1;
1393 nv->firmware_options[1] = BIT_7 | BIT_5;
1394 nv->add_firmware_options[0] = BIT_5;
1395 nv->add_firmware_options[1] = BIT_5 | BIT_4;
1396 nv->frame_payload_size = __constant_cpu_to_le16(2048);
1397 nv->special_options[1] = BIT_7;
1398 } else if (IS_QLA2200(ha)) {
1399 nv->firmware_options[0] = BIT_2 | BIT_1;
1400 nv->firmware_options[1] = BIT_7 | BIT_5;
1401 nv->add_firmware_options[0] = BIT_5;
1402 nv->add_firmware_options[1] = BIT_5 | BIT_4;
1403 nv->frame_payload_size = __constant_cpu_to_le16(1024);
1404 } else if (IS_QLA2100(ha)) {
1405 nv->firmware_options[0] = BIT_3 | BIT_1;
1406 nv->firmware_options[1] = BIT_5;
1407 nv->frame_payload_size = __constant_cpu_to_le16(1024);
1408 }
1409
1410 nv->max_iocb_allocation = __constant_cpu_to_le16(256);
1411 nv->execution_throttle = __constant_cpu_to_le16(16);
1412 nv->retry_count = 8;
1413 nv->retry_delay = 1;
1414
1415 nv->port_name[0] = 33;
1416 nv->port_name[3] = 224;
1417 nv->port_name[4] = 139;
1418
1419 nv->login_timeout = 4;
1420
1421 /*
1422 * Set default host adapter parameters
1423 */
1424 nv->host_p[1] = BIT_2;
1425 nv->reset_delay = 5;
1426 nv->port_down_retry_count = 8;
1427 nv->max_luns_per_target = __constant_cpu_to_le16(8);
1428 nv->link_down_timeout = 60;
1429
1430 rval = 1;
1431 }
1432
1433#if defined(CONFIG_IA64_GENERIC) || defined(CONFIG_IA64_SGI_SN2)
1434 /*
1435 * The SN2 does not provide BIOS emulation which means you can't change
1436 * potentially bogus BIOS settings. Force the use of default settings
1437 * for link rate and frame size. Hope that the rest of the settings
1438 * are valid.
1439 */
1440 if (ia64_platform_is("sn2")) {
1441 nv->frame_payload_size = __constant_cpu_to_le16(2048);
1442 if (IS_QLA23XX(ha))
1443 nv->special_options[1] = BIT_7;
1444 }
1445#endif
1446
1447 /* Reset Initialization control block */
0107109e 1448 memset(icb, 0, ha->init_cb_size);
1da177e4
LT		 1449
1450 /*
1451 * Setup driver NVRAM options.
1452 */
1453 nv->firmware_options[0] |= (BIT_6 | BIT_1);
1454 nv->firmware_options[0] &= ~(BIT_5 | BIT_4);
1455 nv->firmware_options[1] |= (BIT_5 | BIT_0);
1456 nv->firmware_options[1] &= ~BIT_4;
1457
1458 if (IS_QLA23XX(ha)) {
1459 nv->firmware_options[0] |= BIT_2;
1460 nv->firmware_options[0] &= ~BIT_3;
0107109e 1461 nv->add_firmware_options[1] |= BIT_5 | BIT_4;
1da177e4
LT		 1462
1463 if (IS_QLA2300(ha)) {
1464 if (ha->fb_rev == FPM_2310) {
1465 strcpy(ha->model_number, "QLA2310");
1466 } else {
1467 strcpy(ha->model_number, "QLA2300");
1468 }
1469 } else {
1470 if (rval == 0 &&
1471 memcmp(nv->model_number, BINZERO,
1472 sizeof(nv->model_number)) != 0) {
1473 char *st, *en;
1474
1475 strncpy(ha->model_number, nv->model_number,
1476 sizeof(nv->model_number));
1477 st = en = ha->model_number;
1478 en += sizeof(nv->model_number) - 1;
1479 while (en > st) {
1480 if (*en != 0x20 && *en != 0x00)
1481 break;
1482 *en-- = '\0';
1483 }
1484 } else {
1485 uint16_t index;
1486
1487 index = (ha->pdev->subsystem_device & 0xff);
1488 if (index < QLA_MODEL_NAMES) {
1489 strcpy(ha->model_number,
1328962e 1490 qla2x00_model_name[index * 2]);
1da177e4 1491 ha->model_desc =
1328962e 1492 qla2x00_model_name[index * 2 + 1];
1da177e4
LT		 1493 } else {
1494 strcpy(ha->model_number, "QLA23xx");
1495 }
1496 }
1497 }
1498 } else if (IS_QLA2200(ha)) {
1499 nv->firmware_options[0] |= BIT_2;
1500 /*
1501 * 'Point-to-point preferred, else loop' is not a safe
1502 * connection mode setting.
1503 */
1504 if ((nv->add_firmware_options[0] & (BIT_6 | BIT_5 | BIT_4)) ==
1505 (BIT_5 | BIT_4)) {
1506 /* Force 'loop preferred, else point-to-point'. */
1507 nv->add_firmware_options[0] &= ~(BIT_6 | BIT_5 | BIT_4);
1508 nv->add_firmware_options[0] |= BIT_5;
1509 }
1510 strcpy(ha->model_number, "QLA22xx");
1511 } else /*if (IS_QLA2100(ha))*/ {
1512 strcpy(ha->model_number, "QLA2100");
1513 }
1514
1515 /*
1516 * Copy over NVRAM RISC parameter block to initialization control block.
1517 */
1518 dptr1 = (uint8_t *)icb;
1519 dptr2 = (uint8_t *)&nv->parameter_block_version;
1520 cnt = (uint8_t *)&icb->request_q_outpointer - (uint8_t *)&icb->version;
1521 while (cnt--)
1522 *dptr1++ = *dptr2++;
1523
1524 /* Copy 2nd half. */
1525 dptr1 = (uint8_t *)icb->add_firmware_options;
1526 cnt = (uint8_t *)icb->reserved_3 - (uint8_t *)icb->add_firmware_options;
1527 while (cnt--)
1528 *dptr1++ = *dptr2++;
1529
5341e868
AV		 1530 /* Use alternate WWN? */
1531 if (nv->host_p[1] & BIT_7) {
1532 memcpy(icb->node_name, nv->alternate_node_name, WWN_SIZE);
1533 memcpy(icb->port_name, nv->alternate_port_name, WWN_SIZE);
1534 }
1535
1da177e4
LT		 1536 /* Prepare nodename */
1537 if ((icb->firmware_options[1] & BIT_6) == 0) {
1538 /*
1539 * Firmware will apply the following mask if the nodename was
1540 * not provided.
1541 */
1542 memcpy(icb->node_name, icb->port_name, WWN_SIZE);
1543 icb->node_name[0] &= 0xF0;
1544 }
1545
1546 /*
1547 * Set host adapter parameters.
1548 */
1da177e4
LT		 1549 ha->flags.disable_risc_code_load = ((nv->host_p[0] & BIT_4) ? 1 : 0);
1550 /* Always load RISC code on non ISP2[12]00 chips. */
1551 if (!IS_QLA2100(ha) && !IS_QLA2200(ha))
1552 ha->flags.disable_risc_code_load = 0;
1553 ha->flags.enable_lip_reset = ((nv->host_p[1] & BIT_1) ? 1 : 0);
1554 ha->flags.enable_lip_full_login = ((nv->host_p[1] & BIT_2) ? 1 : 0);
1555 ha->flags.enable_target_reset = ((nv->host_p[1] & BIT_3) ? 1 : 0);
06c22bd1 1556 ha->flags.enable_led_scheme = (nv->special_options[1] & BIT_4) ? 1 : 0;
1da177e4
LT		 1557
1558 ha->operating_mode =
1559 (icb->add_firmware_options[0] & (BIT_6 | BIT_5 | BIT_4)) >> 4;
1560
1561 memcpy(ha->fw_seriallink_options, nv->seriallink_options,
1562 sizeof(ha->fw_seriallink_options));
1563
1564 /* save HBA serial number */
1565 ha->serial0 = icb->port_name[5];
1566 ha->serial1 = icb->port_name[6];
1567 ha->serial2 = icb->port_name[7];
3d71644c
AV		 1568 ha->node_name = icb->node_name;
1569 ha->port_name = icb->port_name;
1da177e4
LT		 1570
1571 icb->execution_throttle = __constant_cpu_to_le16(0xFFFF);
1572
1573 ha->retry_count = nv->retry_count;
1574
1575 /* Set minimum login_timeout to 4 seconds. */
1576 if (nv->login_timeout < ql2xlogintimeout)
1577 nv->login_timeout = ql2xlogintimeout;
1578 if (nv->login_timeout < 4)
1579 nv->login_timeout = 4;
1580 ha->login_timeout = nv->login_timeout;
1581 icb->login_timeout = nv->login_timeout;
1582
1583 /* Set minimum RATOV to 200 tenths of a second. */
1584 ha->r_a_tov = 200;
1585
1da177e4
LT		 1586 ha->loop_reset_delay = nv->reset_delay;
1587
1da177e4
LT		 1588 /* Link Down Timeout = 0:
1589 *
1590 * When Port Down timer expires we will start returning
1591 * I/O's to OS with "DID_NO_CONNECT".
1592 *
1593 * Link Down Timeout != 0:
1594 *
1595 * The driver waits for the link to come up after link down
1596 * before returning I/Os to OS with "DID_NO_CONNECT".
fa2a1ce5 1597 */
1da177e4
LT		 1598 if (nv->link_down_timeout == 0) {
1599 ha->loop_down_abort_time =
354d6b21 1600 (LOOP_DOWN_TIME - LOOP_DOWN_TIMEOUT);
1da177e4
LT		 1601 } else {
1602 ha->link_down_timeout = nv->link_down_timeout;
1603 ha->loop_down_abort_time =
1604 (LOOP_DOWN_TIME - ha->link_down_timeout);
fa2a1ce5 1605 }
1da177e4 1606
1da177e4
LT		 1607 /*
1608 * Need enough time to try and get the port back.
1609 */
1610 ha->port_down_retry_count = nv->port_down_retry_count;
1611 if (qlport_down_retry)
1612 ha->port_down_retry_count = qlport_down_retry;
1613 /* Set login_retry_count */
1614 ha->login_retry_count = nv->retry_count;
1615 if (ha->port_down_retry_count == nv->port_down_retry_count &&
1616 ha->port_down_retry_count > 3)
1617 ha->login_retry_count = ha->port_down_retry_count;
1618 else if (ha->port_down_retry_count > (int)ha->login_retry_count)
1619 ha->login_retry_count = ha->port_down_retry_count;
1620 if (ql2xloginretrycount)
1621 ha->login_retry_count = ql2xloginretrycount;
1622
1da177e4
LT		 1623 icb->lun_enables = __constant_cpu_to_le16(0);
1624 icb->command_resource_count = 0;
1625 icb->immediate_notify_resource_count = 0;
1626 icb->timeout = __constant_cpu_to_le16(0);
1627
1628 if (IS_QLA2100(ha) || IS_QLA2200(ha)) {
1629 /* Enable RIO */
1630 icb->firmware_options[0] &= ~BIT_3;
1631 icb->add_firmware_options[0] &=
1632 ~(BIT_3 | BIT_2 | BIT_1 | BIT_0);
1633 icb->add_firmware_options[0] |= BIT_2;
1634 icb->response_accumulation_timer = 3;
1635 icb->interrupt_delay_timer = 5;
1636
1637 ha->flags.process_response_queue = 1;
1638 } else {
4fdfefe5
AV		 1639 /* Enable ZIO. */
1640 if (!ha->flags.init_done) {
1641 ha->zio_mode = icb->add_firmware_options[0] &
1642 (BIT_3 | BIT_2 | BIT_1 | BIT_0);
1643 ha->zio_timer = icb->interrupt_delay_timer ?
1644 icb->interrupt_delay_timer: 2;
1645 }
1da177e4
LT		 1646 icb->add_firmware_options[0] &=
1647 ~(BIT_3 | BIT_2 | BIT_1 | BIT_0);
4fdfefe5
AV		 1648 ha->flags.process_response_queue = 0;
1649 if (ha->zio_mode != QLA_ZIO_DISABLED) {
4a59f71d 1650 ha->zio_mode = QLA_ZIO_MODE_6;
1651
4fdfefe5
AV		 1652 DEBUG2(printk("scsi(%ld): ZIO mode %d enabled; timer "
1653 "delay (%d us).\n", ha->host_no, ha->zio_mode,
1654 ha->zio_timer * 100));
1da177e4 1655 qla_printk(KERN_INFO, ha,
4fdfefe5
AV		 1656 "ZIO mode %d enabled; timer delay (%d us).\n",
1657 ha->zio_mode, ha->zio_timer * 100);
1da177e4 1658
4fdfefe5
AV		 1659 icb->add_firmware_options[0] |= (uint8_t)ha->zio_mode;
1660 icb->interrupt_delay_timer = (uint8_t)ha->zio_timer;
1da177e4
LT		 1661 ha->flags.process_response_queue = 1;
1662 }
1663 }
1664
1665 if (rval) {
1666 DEBUG2_3(printk(KERN_WARNING
1667 "scsi(%ld): NVRAM configuration failed!\n", ha->host_no));
1668 }
1669 return (rval);
1670}
1671
19a7b4ae
JSEC		 1672static void
1673qla2x00_rport_del(void *data)
1674{
1675 fc_port_t *fcport = data;
d97994dc 1676 struct fc_rport *rport;
1677 unsigned long flags;
1678
1679 spin_lock_irqsave(&fcport->rport_lock, flags);
1680 rport = fcport->drport;
1681 fcport->drport = NULL;
1682 spin_unlock_irqrestore(&fcport->rport_lock, flags);
1683 if (rport)
1684 fc_remote_port_delete(rport);
19a7b4ae 1685
19a7b4ae
JSEC		 1686}
1687
1da177e4
LT		 1688/**
1689 * qla2x00_alloc_fcport() - Allocate a generic fcport.
1690 * @ha: HA context
1691 * @flags: allocation flags
1692 *
1693 * Returns a pointer to the allocated fcport, or NULL, if none available.
1694 */
1695fc_port_t *
c53033f6 1696qla2x00_alloc_fcport(scsi_qla_host_t *ha, gfp_t flags)
1da177e4
LT		 1697{
1698 fc_port_t *fcport;
1699
1700 fcport = kmalloc(sizeof(fc_port_t), flags);
1701 if (fcport == NULL)
1702 return (fcport);
1703
1704 /* Setup fcport template structure. */
1705 memset(fcport, 0, sizeof (fc_port_t));
1706 fcport->ha = ha;
1707 fcport->port_type = FCT_UNKNOWN;
1708 fcport->loop_id = FC_NO_LOOP_ID;
1da177e4
LT		 1709 atomic_set(&fcport->state, FCS_UNCONFIGURED);
1710 fcport->flags = FCF_RLC_SUPPORT;
ad3e0eda 1711 fcport->supported_classes = FC_COS_UNSPECIFIED;
d97994dc 1712 spin_lock_init(&fcport->rport_lock);
1da177e4
LT		 1713
1714 return (fcport);
1715}
1716
1717/*
1718 * qla2x00_configure_loop
1719 * Updates Fibre Channel Device Database with what is actually on loop.
1720 *
1721 * Input:
1722 * ha = adapter block pointer.
1723 *
1724 * Returns:
1725 * 0 = success.
1726 * 1 = error.
1727 * 2 = database was full and device was not configured.
1728 */
1729static int
fa2a1ce5 1730qla2x00_configure_loop(scsi_qla_host_t *ha)
1da177e4
LT		 1731{
1732 int rval;
1733 unsigned long flags, save_flags;
1734
1735 rval = QLA_SUCCESS;
1736
1737 /* Get Initiator ID */
1738 if (test_bit(LOCAL_LOOP_UPDATE, &ha->dpc_flags)) {
1739 rval = qla2x00_configure_hba(ha);
1740 if (rval != QLA_SUCCESS) {
1741 DEBUG(printk("scsi(%ld): Unable to configure HBA.\n",
1742 ha->host_no));
1743 return (rval);
1744 }
1745 }
1746
1747 save_flags = flags = ha->dpc_flags;
1748 DEBUG(printk("scsi(%ld): Configure loop -- dpc flags =0x%lx\n",
1749 ha->host_no, flags));
1750
1751 /*
1752 * If we have both an RSCN and PORT UPDATE pending then handle them
1753 * both at the same time.
1754 */
1755 clear_bit(LOCAL_LOOP_UPDATE, &ha->dpc_flags);
1756 clear_bit(RSCN_UPDATE, &ha->dpc_flags);
1da177e4
LT		 1757
1758 /* Determine what we need to do */
1759 if (ha->current_topology == ISP_CFG_FL &&
1760 (test_bit(LOCAL_LOOP_UPDATE, &flags))) {
1761
1762 ha->flags.rscn_queue_overflow = 1;
1763 set_bit(RSCN_UPDATE, &flags);
1764
1765 } else if (ha->current_topology == ISP_CFG_F &&
1766 (test_bit(LOCAL_LOOP_UPDATE, &flags))) {
1767
1768 ha->flags.rscn_queue_overflow = 1;
1769 set_bit(RSCN_UPDATE, &flags);
1770 clear_bit(LOCAL_LOOP_UPDATE, &flags);
1771
1772 } else if (!ha->flags.online ||
1773 (test_bit(ABORT_ISP_ACTIVE, &flags))) {
1774
1775 ha->flags.rscn_queue_overflow = 1;
1776 set_bit(RSCN_UPDATE, &flags);
1777 set_bit(LOCAL_LOOP_UPDATE, &flags);
1778 }
1779
1780 if (test_bit(LOCAL_LOOP_UPDATE, &flags)) {
1781 if (test_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags)) {
1782 rval = QLA_FUNCTION_FAILED;
1783 } else {
1784 rval = qla2x00_configure_local_loop(ha);
1785 }
1786 }
1787
1788 if (rval == QLA_SUCCESS && test_bit(RSCN_UPDATE, &flags)) {
23443b1d 1789 if (LOOP_TRANSITION(ha)) {
1da177e4
LT		 1790 rval = QLA_FUNCTION_FAILED;
1791 } else {
1792 rval = qla2x00_configure_fabric(ha);
1793 }
1794 }
1795
1796 if (rval == QLA_SUCCESS) {
1797 if (atomic_read(&ha->loop_down_timer) ||
1798 test_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags)) {
1799 rval = QLA_FUNCTION_FAILED;
1800 } else {
1da177e4
LT		 1801 atomic_set(&ha->loop_state, LOOP_READY);
1802
1803 DEBUG(printk("scsi(%ld): LOOP READY\n", ha->host_no));
1804 }
1805 }
1806
1807 if (rval) {
1808 DEBUG2_3(printk("%s(%ld): *** FAILED ***\n",
1809 __func__, ha->host_no));
1810 } else {
1811 DEBUG3(printk("%s: exiting normally\n", __func__));
1812 }
1813
1814 /* Restore state if a resync event occured during processing */
1815 if (test_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags)) {
1816 if (test_bit(LOCAL_LOOP_UPDATE, &save_flags))
1817 set_bit(LOCAL_LOOP_UPDATE, &ha->dpc_flags);
1818 if (test_bit(RSCN_UPDATE, &save_flags))
1819 set_bit(RSCN_UPDATE, &ha->dpc_flags);
1820 }
1821
1822 return (rval);
1823}
1824
1825
1826
1827/*
1828 * qla2x00_configure_local_loop
1829 * Updates Fibre Channel Device Database with local loop devices.
1830 *
1831 * Input:
1832 * ha = adapter block pointer.
1833 *
1834 * Returns:
1835 * 0 = success.
1836 */
1837static int
fa2a1ce5 1838qla2x00_configure_local_loop(scsi_qla_host_t *ha)
1da177e4
LT		 1839{
1840 int rval, rval2;
1841 int found_devs;
1842 int found;
1843 fc_port_t *fcport, *new_fcport;
1844
1845 uint16_t index;
1846 uint16_t entries;
1847 char *id_iter;
1848 uint16_t loop_id;
1849 uint8_t domain, area, al_pa;
1850
1851 found_devs = 0;
1852 new_fcport = NULL;
1853 entries = MAX_FIBRE_DEVICES;
1854
1855 DEBUG3(printk("scsi(%ld): Getting FCAL position map\n", ha->host_no));
1856 DEBUG3(qla2x00_get_fcal_position_map(ha, NULL));
1857
1858 /* Get list of logged in devices. */
1859 memset(ha->gid_list, 0, GID_LIST_SIZE);
1860 rval = qla2x00_get_id_list(ha, ha->gid_list, ha->gid_list_dma,
1861 &entries);
1862 if (rval != QLA_SUCCESS)
1863 goto cleanup_allocation;
1864
1865 DEBUG3(printk("scsi(%ld): Entries in ID list (%d)\n",
1866 ha->host_no, entries));
1867 DEBUG3(qla2x00_dump_buffer((uint8_t *)ha->gid_list,
1868 entries * sizeof(struct gid_list_info)));
1869
1870 /* Allocate temporary fcport for any new fcports discovered. */
1871 new_fcport = qla2x00_alloc_fcport(ha, GFP_KERNEL);
1872 if (new_fcport == NULL) {
1873 rval = QLA_MEMORY_ALLOC_FAILED;
1874 goto cleanup_allocation;
1875 }
1876 new_fcport->flags &= ~FCF_FABRIC_DEVICE;
1877
1878 /*
1879 * Mark local devices that were present with FCF_DEVICE_LOST for now.
1880 */
1881 list_for_each_entry(fcport, &ha->fcports, list) {
1882 if (atomic_read(&fcport->state) == FCS_ONLINE &&
1883 fcport->port_type != FCT_BROADCAST &&
1884 (fcport->flags & FCF_FABRIC_DEVICE) == 0) {
1885
1886 DEBUG(printk("scsi(%ld): Marking port lost, "
1887 "loop_id=0x%04x\n",
1888 ha->host_no, fcport->loop_id));
1889
1890 atomic_set(&fcport->state, FCS_DEVICE_LOST);
1891 fcport->flags &= ~FCF_FARP_DONE;
1892 }
1893 }
1894
1895 /* Add devices to port list. */
1896 id_iter = (char *)ha->gid_list;
1897 for (index = 0; index < entries; index++) {
1898 domain = ((struct gid_list_info *)id_iter)->domain;
1899 area = ((struct gid_list_info *)id_iter)->area;
1900 al_pa = ((struct gid_list_info *)id_iter)->al_pa;
abbd8870 1901 if (IS_QLA2100(ha) || IS_QLA2200(ha))
1da177e4
LT		 1902 loop_id = (uint16_t)
1903 ((struct gid_list_info *)id_iter)->loop_id_2100;
abbd8870 1904 else
1da177e4
LT		 1905 loop_id = le16_to_cpu(
1906 ((struct gid_list_info *)id_iter)->loop_id);
abbd8870 1907 id_iter += ha->gid_list_info_size;
1da177e4
LT		 1908
1909 /* Bypass reserved domain fields. */
1910 if ((domain & 0xf0) == 0xf0)
1911 continue;
1912
1913 /* Bypass if not same domain and area of adapter. */
f7d289f6
AV		 1914 if (area && domain &&
1915 (area != ha->d_id.b.area || domain != ha->d_id.b.domain))
1da177e4
LT		 1916 continue;
1917
1918 /* Bypass invalid local loop ID. */
1919 if (loop_id > LAST_LOCAL_LOOP_ID)
1920 continue;
1921
1922 /* Fill in member data. */
1923 new_fcport->d_id.b.domain = domain;
1924 new_fcport->d_id.b.area = area;
1925 new_fcport->d_id.b.al_pa = al_pa;
1926 new_fcport->loop_id = loop_id;
1927 rval2 = qla2x00_get_port_database(ha, new_fcport, 0);
1928 if (rval2 != QLA_SUCCESS) {
1929 DEBUG2(printk("scsi(%ld): Failed to retrieve fcport "
1930 "information -- get_port_database=%x, "
1931 "loop_id=0x%04x\n",
1932 ha->host_no, rval2, new_fcport->loop_id));
c9d02acf 1933 DEBUG2(printk("scsi(%ld): Scheduling resync...\n",
1934 ha->host_no));
1935 set_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags);
1da177e4
LT		 1936 continue;
1937 }
1938
1939 /* Check for matching device in port list. */
1940 found = 0;
1941 fcport = NULL;
1942 list_for_each_entry(fcport, &ha->fcports, list) {
1943 if (memcmp(new_fcport->port_name, fcport->port_name,
1944 WWN_SIZE))
1945 continue;
1946
1947 fcport->flags &= ~(FCF_FABRIC_DEVICE |
1948 FCF_PERSISTENT_BOUND);
1949 fcport->loop_id = new_fcport->loop_id;
1950 fcport->port_type = new_fcport->port_type;
1951 fcport->d_id.b24 = new_fcport->d_id.b24;
1952 memcpy(fcport->node_name, new_fcport->node_name,
1953 WWN_SIZE);
1954
1955 found++;
1956 break;
1957 }
1958
1959 if (!found) {
1960 /* New device, add to fcports list. */
1961 new_fcport->flags &= ~FCF_PERSISTENT_BOUND;
1962 list_add_tail(&new_fcport->list, &ha->fcports);
1963
1964 /* Allocate a new replacement fcport. */
1965 fcport = new_fcport;
1966 new_fcport = qla2x00_alloc_fcport(ha, GFP_KERNEL);
1967 if (new_fcport == NULL) {
1968 rval = QLA_MEMORY_ALLOC_FAILED;
1969 goto cleanup_allocation;
1970 }
1971 new_fcport->flags &= ~FCF_FABRIC_DEVICE;
1972 }
1973
1974 qla2x00_update_fcport(ha, fcport);
1975
1976 found_devs++;
1977 }
1978
1979cleanup_allocation:
c9475cb0 1980 kfree(new_fcport);
1da177e4
LT		 1981
1982 if (rval != QLA_SUCCESS) {
1983 DEBUG2(printk("scsi(%ld): Configure local loop error exit: "
1984 "rval=%x\n", ha->host_no, rval));
1985 }
1986
1987 if (found_devs) {
1988 ha->device_flags |= DFLG_LOCAL_DEVICES;
1989 ha->device_flags &= ~DFLG_RETRY_LOCAL_DEVICES;
1990 }
1991
1992 return (rval);
1993}
1994
1995static void
fa2a1ce5 1996qla2x00_probe_for_all_luns(scsi_qla_host_t *ha)
1da177e4
LT		 1997{
1998 fc_port_t *fcport;
1999
d97994dc 2000 qla2x00_mark_all_devices_lost(ha, 0);
1da177e4
LT		 2001 list_for_each_entry(fcport, &ha->fcports, list) {
2002 if (fcport->port_type != FCT_TARGET)
2003 continue;
2004
fa2a1ce5 2005 qla2x00_update_fcport(ha, fcport);
1da177e4
LT		 2006 }
2007}
2008
2009/*
2010 * qla2x00_update_fcport
2011 * Updates device on list.
2012 *
2013 * Input:
2014 * ha = adapter block pointer.
2015 * fcport = port structure pointer.
2016 *
2017 * Return:
2018 * 0 - Success
2019 * BIT_0 - error
2020 *
2021 * Context:
2022 * Kernel context.
2023 */
052c40c8 2024void
1da177e4
LT		 2025qla2x00_update_fcport(scsi_qla_host_t *ha, fc_port_t *fcport)
2026{
1da177e4
LT		 2027 fcport->ha = ha;
2028 fcport->login_retry = 0;
2029 fcport->port_login_retry_count = ha->port_down_retry_count *
2030 PORT_RETRY_TIME;
2031 atomic_set(&fcport->port_down_timer, ha->port_down_retry_count *
2032 PORT_RETRY_TIME);
2033 fcport->flags &= ~FCF_LOGIN_NEEDED;
2034
1da177e4 2035 atomic_set(&fcport->state, FCS_ONLINE);
bdf79621 2036
8482e118 2037 if (ha->flags.init_done)
2038 qla2x00_reg_remote_port(ha, fcport);
1da177e4
LT		 2039}
2040
8482e118 2041void
2042qla2x00_reg_remote_port(scsi_qla_host_t *ha, fc_port_t *fcport)
2043{
2044 struct fc_rport_identifiers rport_ids;
bdf79621 2045 struct fc_rport *rport;
d97994dc 2046 unsigned long flags;
8482e118 2047
d97994dc 2048 if (fcport->drport)
2049 qla2x00_rport_del(fcport);
2050 if (fcport->rport)
2051 return;
8482e118 2052
f8b02a85
AV		 2053 rport_ids.node_name = wwn_to_u64(fcport->node_name);
2054 rport_ids.port_name = wwn_to_u64(fcport->port_name);
8482e118 2055 rport_ids.port_id = fcport->d_id.b.domain << 16 |
2056 fcport->d_id.b.area << 8 | fcport->d_id.b.al_pa;
77d74143 2057 rport_ids.roles = FC_RPORT_ROLE_UNKNOWN;
d97994dc 2058 rport = fc_remote_port_add(ha->host, 0, &rport_ids);
77d74143
AV		 2059 if (!rport) {
2060 qla_printk(KERN_WARNING, ha,
2061 "Unable to allocate fc remote port!\n");
2062 return;
2063 }
d97994dc 2064 spin_lock_irqsave(&fcport->rport_lock, flags);
2065 fcport->rport = rport;
19a7b4ae 2066 *((fc_port_t **)rport->dd_data) = fcport;
d97994dc 2067 spin_unlock_irqrestore(&fcport->rport_lock, flags);
2068
ad3e0eda 2069 rport->supported_classes = fcport->supported_classes;
77d74143 2070
8482e118 2071 rport_ids.roles = FC_RPORT_ROLE_UNKNOWN;
2072 if (fcport->port_type == FCT_INITIATOR)
2073 rport_ids.roles |= FC_RPORT_ROLE_FCP_INITIATOR;
2074 if (fcport->port_type == FCT_TARGET)
2075 rport_ids.roles |= FC_RPORT_ROLE_FCP_TARGET;
77d74143 2076 fc_remote_port_rolechg(rport, rport_ids.roles);
1da177e4 2077
cc4731f5
AV		 2078 if (rport->scsi_target_id != -1 &&
2079 rport->scsi_target_id < ha->host->max_id)
bdf79621 2080 fcport->os_target_id = rport->scsi_target_id;
1da177e4
LT		 2081}
2082
1da177e4
LT		 2083/*
2084 * qla2x00_configure_fabric
2085 * Setup SNS devices with loop ID's.
2086 *
2087 * Input:
2088 * ha = adapter block pointer.
2089 *
2090 * Returns:
2091 * 0 = success.
2092 * BIT_0 = error
2093 */
2094static int
2095qla2x00_configure_fabric(scsi_qla_host_t *ha)
2096{
2097 int rval, rval2;
2098 fc_port_t *fcport, *fcptemp;
2099 uint16_t next_loopid;
2100 uint16_t mb[MAILBOX_REGISTER_COUNT];
0107109e 2101 uint16_t loop_id;
1da177e4
LT		 2102 LIST_HEAD(new_fcports);
2103
2104 /* If FL port exists, then SNS is present */
044cc6c8 2105 if (IS_QLA24XX(ha) || IS_QLA54XX(ha))
0107109e
AV		 2106 loop_id = NPH_F_PORT;
2107 else
2108 loop_id = SNS_FL_PORT;
2109 rval = qla2x00_get_port_name(ha, loop_id, NULL, 0);
1da177e4
LT		 2110 if (rval != QLA_SUCCESS) {
2111 DEBUG2(printk("scsi(%ld): MBC_GET_PORT_NAME Failed, No FL "
2112 "Port\n", ha->host_no));
2113
2114 ha->device_flags &= ~SWITCH_FOUND;
2115 return (QLA_SUCCESS);
2116 }
2117
2118 /* Mark devices that need re-synchronization. */
2119 rval2 = qla2x00_device_resync(ha);
2120 if (rval2 == QLA_RSCNS_HANDLED) {
2121 /* No point doing the scan, just continue. */
2122 return (QLA_SUCCESS);
2123 }
2124 do {
cca5335c
AV		 2125 /* FDMI support. */
2126 if (ql2xfdmienable &&
2127 test_and_clear_bit(REGISTER_FDMI_NEEDED, &ha->dpc_flags))
2128 qla2x00_fdmi_register(ha);
2129
1da177e4 2130 /* Ensure we are logged into the SNS. */
044cc6c8 2131 if (IS_QLA24XX(ha) || IS_QLA54XX(ha))
0107109e
AV		 2132 loop_id = NPH_SNS;
2133 else
2134 loop_id = SIMPLE_NAME_SERVER;
2135 ha->isp_ops.fabric_login(ha, loop_id, 0xff, 0xff,
abbd8870 2136 0xfc, mb, BIT_1 | BIT_0);
1da177e4
LT		 2137 if (mb[0] != MBS_COMMAND_COMPLETE) {
2138 DEBUG2(qla_printk(KERN_INFO, ha,
2139 "Failed SNS login: loop_id=%x mb[0]=%x mb[1]=%x "
0107109e 2140 "mb[2]=%x mb[6]=%x mb[7]=%x\n", loop_id,
1da177e4
LT		 2141 mb[0], mb[1], mb[2], mb[6], mb[7]));
2142 return (QLA_SUCCESS);
2143 }
2144
2145 if (test_and_clear_bit(REGISTER_FC4_NEEDED, &ha->dpc_flags)) {
2146 if (qla2x00_rft_id(ha)) {
2147 /* EMPTY */
2148 DEBUG2(printk("scsi(%ld): Register FC-4 "
2149 "TYPE failed.\n", ha->host_no));
2150 }
2151 if (qla2x00_rff_id(ha)) {
2152 /* EMPTY */
2153 DEBUG2(printk("scsi(%ld): Register FC-4 "
2154 "Features failed.\n", ha->host_no));
2155 }
2156 if (qla2x00_rnn_id(ha)) {
2157 /* EMPTY */
2158 DEBUG2(printk("scsi(%ld): Register Node Name "
2159 "failed.\n", ha->host_no));
2160 } else if (qla2x00_rsnn_nn(ha)) {
2161 /* EMPTY */
2162 DEBUG2(printk("scsi(%ld): Register Symbolic "
2163 "Node Name failed.\n", ha->host_no));
2164 }
2165 }
2166
2167 rval = qla2x00_find_all_fabric_devs(ha, &new_fcports);
2168 if (rval != QLA_SUCCESS)
2169 break;
2170
2171 /*
2172 * Logout all previous fabric devices marked lost, except
2173 * tape devices.
2174 */
2175 list_for_each_entry(fcport, &ha->fcports, list) {
2176 if (test_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags))
2177 break;
2178
2179 if ((fcport->flags & FCF_FABRIC_DEVICE) == 0)
2180 continue;
2181
2182 if (atomic_read(&fcport->state) == FCS_DEVICE_LOST) {
2183 qla2x00_mark_device_lost(ha, fcport,
d97994dc 2184 ql2xplogiabsentdevice, 0);
1da177e4
LT		 2185 if (fcport->loop_id != FC_NO_LOOP_ID &&
2186 (fcport->flags & FCF_TAPE_PRESENT) == 0 &&
2187 fcport->port_type != FCT_INITIATOR &&
2188 fcport->port_type != FCT_BROADCAST) {
abbd8870 2189 ha->isp_ops.fabric_logout(ha,
1c7c6357
AV		 2190 fcport->loop_id,
2191 fcport->d_id.b.domain,
2192 fcport->d_id.b.area,
2193 fcport->d_id.b.al_pa);
1da177e4
LT		 2194 fcport->loop_id = FC_NO_LOOP_ID;
2195 }
2196 }
2197 }
2198
2199 /* Starting free loop ID. */
2200 next_loopid = ha->min_external_loopid;
2201
2202 /*
2203 * Scan through our port list and login entries that need to be
2204 * logged in.
2205 */
2206 list_for_each_entry(fcport, &ha->fcports, list) {
2207 if (atomic_read(&ha->loop_down_timer) ||
2208 test_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags))
2209 break;
2210
2211 if ((fcport->flags & FCF_FABRIC_DEVICE) == 0 ||
2212 (fcport->flags & FCF_LOGIN_NEEDED) == 0)
2213 continue;
2214
2215 if (fcport->loop_id == FC_NO_LOOP_ID) {
2216 fcport->loop_id = next_loopid;
2217 rval = qla2x00_find_new_loop_id(ha, fcport);
2218 if (rval != QLA_SUCCESS) {
2219 /* Ran out of IDs to use */
2220 break;
2221 }
2222 }
1da177e4
LT		 2223 /* Login and update database */
2224 qla2x00_fabric_dev_login(ha, fcport, &next_loopid);
2225 }
2226
2227 /* Exit if out of loop IDs. */
2228 if (rval != QLA_SUCCESS) {
2229 break;
2230 }
2231
2232 /*
2233 * Login and add the new devices to our port list.
2234 */
2235 list_for_each_entry_safe(fcport, fcptemp, &new_fcports, list) {
2236 if (atomic_read(&ha->loop_down_timer) ||
2237 test_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags))
2238 break;
2239
2240 /* Find a new loop ID to use. */
2241 fcport->loop_id = next_loopid;
2242 rval = qla2x00_find_new_loop_id(ha, fcport);
2243 if (rval != QLA_SUCCESS) {
2244 /* Ran out of IDs to use */
2245 break;
2246 }
2247
1da177e4
LT		 2248 /* Remove device from the new list and add it to DB */
2249 list_del(&fcport->list);
2250 list_add_tail(&fcport->list, &ha->fcports);
bdf79621 2251
2252 /* Login and update database */
2253 qla2x00_fabric_dev_login(ha, fcport, &next_loopid);
1da177e4
LT		 2254 }
2255 } while (0);
2256
2257 /* Free all new device structures not processed. */
2258 list_for_each_entry_safe(fcport, fcptemp, &new_fcports, list) {
2259 list_del(&fcport->list);
2260 kfree(fcport);
2261 }
2262
2263 if (rval) {
2264 DEBUG2(printk("scsi(%ld): Configure fabric error exit: "
2265 "rval=%d\n", ha->host_no, rval));
2266 }
2267
2268 return (rval);
2269}
2270
2271
2272/*
2273 * qla2x00_find_all_fabric_devs
2274 *
2275 * Input:
2276 * ha = adapter block pointer.
2277 * dev = database device entry pointer.
2278 *
2279 * Returns:
2280 * 0 = success.
2281 *
2282 * Context:
2283 * Kernel context.
2284 */
2285static int
2286qla2x00_find_all_fabric_devs(scsi_qla_host_t *ha, struct list_head *new_fcports)
2287{
2288 int rval;
2289 uint16_t loop_id;
2290 fc_port_t *fcport, *new_fcport, *fcptemp;
2291 int found;
2292
2293 sw_info_t *swl;
2294 int swl_idx;
2295 int first_dev, last_dev;
2296 port_id_t wrap, nxt_d_id;
2297
2298 rval = QLA_SUCCESS;
2299
2300 /* Try GID_PT to get device list, else GAN. */
2301 swl = kmalloc(sizeof(sw_info_t) * MAX_FIBRE_DEVICES, GFP_ATOMIC);
2302 if (swl == NULL) {
2303 /*EMPTY*/
2304 DEBUG2(printk("scsi(%ld): GID_PT allocations failed, fallback "
2305 "on GA_NXT\n", ha->host_no));
2306 } else {
2307 memset(swl, 0, sizeof(sw_info_t) * MAX_FIBRE_DEVICES);
2308 if (qla2x00_gid_pt(ha, swl) != QLA_SUCCESS) {
2309 kfree(swl);
2310 swl = NULL;
2311 } else if (qla2x00_gpn_id(ha, swl) != QLA_SUCCESS) {
2312 kfree(swl);
2313 swl = NULL;
2314 } else if (qla2x00_gnn_id(ha, swl) != QLA_SUCCESS) {
2315 kfree(swl);
2316 swl = NULL;
2317 }
2318 }
2319 swl_idx = 0;
2320
2321 /* Allocate temporary fcport for any new fcports discovered. */
2322 new_fcport = qla2x00_alloc_fcport(ha, GFP_KERNEL);
2323 if (new_fcport == NULL) {
c9475cb0 2324 kfree(swl);
1da177e4
LT		 2325 return (QLA_MEMORY_ALLOC_FAILED);
2326 }
2327 new_fcport->flags |= (FCF_FABRIC_DEVICE | FCF_LOGIN_NEEDED);
2328
2329 /* Set start port ID scan at adapter ID. */
2330 first_dev = 1;
2331 last_dev = 0;
2332
2333 /* Starting free loop ID. */
2334 loop_id = ha->min_external_loopid;
1da177e4 2335 for (; loop_id <= ha->last_loop_id; loop_id++) {
3d71644c 2336 if (qla2x00_is_reserved_id(ha, loop_id))
1da177e4
LT		 2337 continue;
2338
23443b1d 2339 if (atomic_read(&ha->loop_down_timer) || LOOP_TRANSITION(ha))
1da177e4
LT		 2340 break;
2341
2342 if (swl != NULL) {
2343 if (last_dev) {
2344 wrap.b24 = new_fcport->d_id.b24;
2345 } else {
2346 new_fcport->d_id.b24 = swl[swl_idx].d_id.b24;
2347 memcpy(new_fcport->node_name,
2348 swl[swl_idx].node_name, WWN_SIZE);
2349 memcpy(new_fcport->port_name,
2350 swl[swl_idx].port_name, WWN_SIZE);
2351
2352 if (swl[swl_idx].d_id.b.rsvd_1 != 0) {
2353 last_dev = 1;
2354 }
2355 swl_idx++;
2356 }
2357 } else {
2358 /* Send GA_NXT to the switch */
2359 rval = qla2x00_ga_nxt(ha, new_fcport);
2360 if (rval != QLA_SUCCESS) {
2361 qla_printk(KERN_WARNING, ha,
2362 "SNS scan failed -- assuming zero-entry "
2363 "result...\n");
2364 list_for_each_entry_safe(fcport, fcptemp,
2365 new_fcports, list) {
2366 list_del(&fcport->list);
2367 kfree(fcport);
2368 }
2369 rval = QLA_SUCCESS;
2370 break;
2371 }
2372 }
2373
2374 /* If wrap on switch device list, exit. */
2375 if (first_dev) {
2376 wrap.b24 = new_fcport->d_id.b24;
2377 first_dev = 0;
2378 } else if (new_fcport->d_id.b24 == wrap.b24) {
2379 DEBUG2(printk("scsi(%ld): device wrap (%02x%02x%02x)\n",
2380 ha->host_no, new_fcport->d_id.b.domain,
2381 new_fcport->d_id.b.area, new_fcport->d_id.b.al_pa));
2382 break;
2383 }
2384
2385 /* Bypass if host adapter. */
2386 if (new_fcport->d_id.b24 == ha->d_id.b24)
2387 continue;
2388
f7d289f6
AV		 2389 /* Bypass if same domain and area of adapter. */
2390 if (((new_fcport->d_id.b24 & 0xffff00) ==
2391 (ha->d_id.b24 & 0xffff00)) && ha->current_topology ==
2392 ISP_CFG_FL)
2393 continue;
2394
1da177e4
LT		 2395 /* Bypass reserved domain fields. */
2396 if ((new_fcport->d_id.b.domain & 0xf0) == 0xf0)
2397 continue;
2398
2399 /* Locate matching device in database. */
2400 found = 0;
2401 list_for_each_entry(fcport, &ha->fcports, list) {
2402 if (memcmp(new_fcport->port_name, fcport->port_name,
2403 WWN_SIZE))
2404 continue;
2405
2406 found++;
2407
2408 /*
2409 * If address the same and state FCS_ONLINE, nothing
2410 * changed.
2411 */
2412 if (fcport->d_id.b24 == new_fcport->d_id.b24 &&
2413 atomic_read(&fcport->state) == FCS_ONLINE) {
2414 break;
2415 }
2416
2417 /*
2418 * If device was not a fabric device before.
2419 */
2420 if ((fcport->flags & FCF_FABRIC_DEVICE) == 0) {
2421 fcport->d_id.b24 = new_fcport->d_id.b24;
2422 fcport->loop_id = FC_NO_LOOP_ID;
2423 fcport->flags |= (FCF_FABRIC_DEVICE |
2424 FCF_LOGIN_NEEDED);
2425 fcport->flags &= ~FCF_PERSISTENT_BOUND;
2426 break;
2427 }
2428
2429 /*
2430 * Port ID changed or device was marked to be updated;
2431 * Log it out if still logged in and mark it for
2432 * relogin later.
2433 */
2434 fcport->d_id.b24 = new_fcport->d_id.b24;
2435 fcport->flags |= FCF_LOGIN_NEEDED;
2436 if (fcport->loop_id != FC_NO_LOOP_ID &&
2437 (fcport->flags & FCF_TAPE_PRESENT) == 0 &&
2438 fcport->port_type != FCT_INITIATOR &&
2439 fcport->port_type != FCT_BROADCAST) {
1c7c6357
AV		 2440 ha->isp_ops.fabric_logout(ha, fcport->loop_id,
2441 fcport->d_id.b.domain, fcport->d_id.b.area,
2442 fcport->d_id.b.al_pa);
1da177e4
LT		 2443 fcport->loop_id = FC_NO_LOOP_ID;
2444 }
2445
2446 break;
2447 }
2448
2449 if (found)
2450 continue;
2451
2452 /* If device was not in our fcports list, then add it. */
2453 list_add_tail(&new_fcport->list, new_fcports);
2454
2455 /* Allocate a new replacement fcport. */
2456 nxt_d_id.b24 = new_fcport->d_id.b24;
2457 new_fcport = qla2x00_alloc_fcport(ha, GFP_KERNEL);
2458 if (new_fcport == NULL) {
c9475cb0 2459 kfree(swl);
1da177e4
LT		 2460 return (QLA_MEMORY_ALLOC_FAILED);
2461 }
2462 new_fcport->flags |= (FCF_FABRIC_DEVICE | FCF_LOGIN_NEEDED);
2463 new_fcport->d_id.b24 = nxt_d_id.b24;
2464 }
2465
c9475cb0
JJ		 2466 kfree(swl);
2467 kfree(new_fcport);
1da177e4
LT		 2468
2469 if (!list_empty(new_fcports))
2470 ha->device_flags |= DFLG_FABRIC_DEVICES;
2471
2472 return (rval);
2473}
2474
2475/*
2476 * qla2x00_find_new_loop_id
2477 * Scan through our port list and find a new usable loop ID.
2478 *
2479 * Input:
2480 * ha: adapter state pointer.
2481 * dev: port structure pointer.
2482 *
2483 * Returns:
2484 * qla2x00 local function return status code.
2485 *
2486 * Context:
2487 * Kernel context.
2488 */
2489int
2490qla2x00_find_new_loop_id(scsi_qla_host_t *ha, fc_port_t *dev)
2491{
2492 int rval;
2493 int found;
2494 fc_port_t *fcport;
2495 uint16_t first_loop_id;
2496
2497 rval = QLA_SUCCESS;
2498
2499 /* Save starting loop ID. */
2500 first_loop_id = dev->loop_id;
2501
2502 for (;;) {
2503 /* Skip loop ID if already used by adapter. */
2504 if (dev->loop_id == ha->loop_id) {
2505 dev->loop_id++;
2506 }
2507
2508 /* Skip reserved loop IDs. */
3d71644c 2509 while (qla2x00_is_reserved_id(ha, dev->loop_id)) {
1da177e4
LT		 2510 dev->loop_id++;
2511 }
2512
2513 /* Reset loop ID if passed the end. */
2514 if (dev->loop_id > ha->last_loop_id) {
2515 /* first loop ID. */
2516 dev->loop_id = ha->min_external_loopid;
2517 }
2518
2519 /* Check for loop ID being already in use. */
2520 found = 0;
2521 fcport = NULL;
2522 list_for_each_entry(fcport, &ha->fcports, list) {
2523 if (fcport->loop_id == dev->loop_id && fcport != dev) {
2524 /* ID possibly in use */
2525 found++;
2526 break;
2527 }
2528 }
2529
2530 /* If not in use then it is free to use. */
2531 if (!found) {
2532 break;
2533 }
2534
2535 /* ID in use. Try next value. */
2536 dev->loop_id++;
2537
2538 /* If wrap around. No free ID to use. */
2539 if (dev->loop_id == first_loop_id) {
2540 dev->loop_id = FC_NO_LOOP_ID;
2541 rval = QLA_FUNCTION_FAILED;
2542 break;
2543 }
2544 }
2545
2546 return (rval);
2547}
2548
2549/*
2550 * qla2x00_device_resync
2551 * Marks devices in the database that needs resynchronization.
2552 *
2553 * Input:
2554 * ha = adapter block pointer.
2555 *
2556 * Context:
2557 * Kernel context.
2558 */
2559static int
fa2a1ce5 2560qla2x00_device_resync(scsi_qla_host_t *ha)
1da177e4
LT		 2561{
2562 int rval;
1da177e4
LT		 2563 uint32_t mask;
2564 fc_port_t *fcport;
2565 uint32_t rscn_entry;
2566 uint8_t rscn_out_iter;
2567 uint8_t format;
2568 port_id_t d_id;
2569
2570 rval = QLA_RSCNS_HANDLED;
2571
2572 while (ha->rscn_out_ptr != ha->rscn_in_ptr ||
2573 ha->flags.rscn_queue_overflow) {
2574
2575 rscn_entry = ha->rscn_queue[ha->rscn_out_ptr];
2576 format = MSB(MSW(rscn_entry));
2577 d_id.b.domain = LSB(MSW(rscn_entry));
2578 d_id.b.area = MSB(LSW(rscn_entry));
2579 d_id.b.al_pa = LSB(LSW(rscn_entry));
2580
2581 DEBUG(printk("scsi(%ld): RSCN queue entry[%d] = "
2582 "[%02x/%02x%02x%02x].\n",
2583 ha->host_no, ha->rscn_out_ptr, format, d_id.b.domain,
2584 d_id.b.area, d_id.b.al_pa));
2585
2586 ha->rscn_out_ptr++;
2587 if (ha->rscn_out_ptr == MAX_RSCN_COUNT)
2588 ha->rscn_out_ptr = 0;
2589
2590 /* Skip duplicate entries. */
2591 for (rscn_out_iter = ha->rscn_out_ptr;
2592 !ha->flags.rscn_queue_overflow &&
2593 rscn_out_iter != ha->rscn_in_ptr;
2594 rscn_out_iter = (rscn_out_iter ==
2595 (MAX_RSCN_COUNT - 1)) ? 0: rscn_out_iter + 1) {
2596
2597 if (rscn_entry != ha->rscn_queue[rscn_out_iter])
2598 break;
2599
2600 DEBUG(printk("scsi(%ld): Skipping duplicate RSCN queue "
2601 "entry found at [%d].\n", ha->host_no,
2602 rscn_out_iter));
2603
2604 ha->rscn_out_ptr = rscn_out_iter;
2605 }
2606
2607 /* Queue overflow, set switch default case. */
2608 if (ha->flags.rscn_queue_overflow) {
2609 DEBUG(printk("scsi(%ld): device_resync: rscn "
2610 "overflow.\n", ha->host_no));
2611
2612 format = 3;
2613 ha->flags.rscn_queue_overflow = 0;
2614 }
2615
2616 switch (format) {
2617 case 0:
1da177e4
LT		 2618 mask = 0xffffff;
2619 break;
2620 case 1:
2621 mask = 0xffff00;
2622 break;
2623 case 2:
2624 mask = 0xff0000;
2625 break;
2626 default:
2627 mask = 0x0;
2628 d_id.b24 = 0;
2629 ha->rscn_out_ptr = ha->rscn_in_ptr;
2630 break;
2631 }
2632
2633 rval = QLA_SUCCESS;
2634
1da177e4
LT		 2635 list_for_each_entry(fcport, &ha->fcports, list) {
2636 if ((fcport->flags & FCF_FABRIC_DEVICE) == 0 ||
2637 (fcport->d_id.b24 & mask) != d_id.b24 ||
2638 fcport->port_type == FCT_BROADCAST)
2639 continue;
2640
2641 if (atomic_read(&fcport->state) == FCS_ONLINE) {
2642 if (format != 3 ||
2643 fcport->port_type != FCT_INITIATOR) {
d97994dc 2644 qla2x00_mark_device_lost(ha, fcport,
2645 0, 0);
1da177e4
LT		 2646 }
2647 }
2648 fcport->flags &= ~FCF_FARP_DONE;
2649 }
2650 }
2651 return (rval);
2652}
2653
2654/*
2655 * qla2x00_fabric_dev_login
2656 * Login fabric target device and update FC port database.
2657 *
2658 * Input:
2659 * ha: adapter state pointer.
2660 * fcport: port structure list pointer.
2661 * next_loopid: contains value of a new loop ID that can be used
2662 * by the next login attempt.
2663 *
2664 * Returns:
2665 * qla2x00 local function return status code.
2666 *
2667 * Context:
2668 * Kernel context.
2669 */
2670static int
2671qla2x00_fabric_dev_login(scsi_qla_host_t *ha, fc_port_t *fcport,
2672 uint16_t *next_loopid)
2673{
2674 int rval;
2675 int retry;
0107109e 2676 uint8_t opts;
1da177e4
LT		 2677
2678 rval = QLA_SUCCESS;
2679 retry = 0;
2680
2681 rval = qla2x00_fabric_login(ha, fcport, next_loopid);
2682 if (rval == QLA_SUCCESS) {
0107109e
AV		 2683 /* Send an ADISC to tape devices.*/
2684 opts = 0;
2685 if (fcport->flags & FCF_TAPE_PRESENT)
2686 opts |= BIT_1;
2687 rval = qla2x00_get_port_database(ha, fcport, opts);
1da177e4 2688 if (rval != QLA_SUCCESS) {
1c7c6357
AV		 2689 ha->isp_ops.fabric_logout(ha, fcport->loop_id,
2690 fcport->d_id.b.domain, fcport->d_id.b.area,
2691 fcport->d_id.b.al_pa);
d97994dc 2692 qla2x00_mark_device_lost(ha, fcport, 1, 0);
1da177e4
LT		 2693 } else {
2694 qla2x00_update_fcport(ha, fcport);
2695 }
2696 }
2697
2698 return (rval);
2699}
2700
2701/*
2702 * qla2x00_fabric_login
2703 * Issue fabric login command.
2704 *
2705 * Input:
2706 * ha = adapter block pointer.
2707 * device = pointer to FC device type structure.
2708 *
2709 * Returns:
2710 * 0 - Login successfully
2711 * 1 - Login failed
2712 * 2 - Initiator device
2713 * 3 - Fatal error
2714 */
2715int
2716qla2x00_fabric_login(scsi_qla_host_t *ha, fc_port_t *fcport,
2717 uint16_t *next_loopid)
2718{
2719 int rval;
2720 int retry;
2721 uint16_t tmp_loopid;
2722 uint16_t mb[MAILBOX_REGISTER_COUNT];
2723
2724 retry = 0;
2725 tmp_loopid = 0;
2726
2727 for (;;) {
2728 DEBUG(printk("scsi(%ld): Trying Fabric Login w/loop id 0x%04x "
2729 "for port %02x%02x%02x.\n",
2730 ha->host_no, fcport->loop_id, fcport->d_id.b.domain,
2731 fcport->d_id.b.area, fcport->d_id.b.al_pa));
2732
2733 /* Login fcport on switch. */
abbd8870 2734 ha->isp_ops.fabric_login(ha, fcport->loop_id,
1da177e4
LT		 2735 fcport->d_id.b.domain, fcport->d_id.b.area,
2736 fcport->d_id.b.al_pa, mb, BIT_0);
2737 if (mb[0] == MBS_PORT_ID_USED) {
2738 /*
2739 * Device has another loop ID. The firmware team
0107109e
AV		 2740 * recommends the driver perform an implicit login with
2741 * the specified ID again. The ID we just used is save
2742 * here so we return with an ID that can be tried by
2743 * the next login.
1da177e4
LT		 2744 */
2745 retry++;
2746 tmp_loopid = fcport->loop_id;
2747 fcport->loop_id = mb[1];
2748
2749 DEBUG(printk("Fabric Login: port in use - next "
2750 "loop id=0x%04x, port Id=%02x%02x%02x.\n",
2751 fcport->loop_id, fcport->d_id.b.domain,
2752 fcport->d_id.b.area, fcport->d_id.b.al_pa));
2753
2754 } else if (mb[0] == MBS_COMMAND_COMPLETE) {
2755 /*
2756 * Login succeeded.
2757 */
2758 if (retry) {
2759 /* A retry occurred before. */
2760 *next_loopid = tmp_loopid;
2761 } else {
2762 /*
2763 * No retry occurred before. Just increment the
2764 * ID value for next login.
2765 */
2766 *next_loopid = (fcport->loop_id + 1);
2767 }
2768
2769 if (mb[1] & BIT_0) {
2770 fcport->port_type = FCT_INITIATOR;
2771 } else {
2772 fcport->port_type = FCT_TARGET;
2773 if (mb[1] & BIT_1) {
2774 fcport->flags |= FCF_TAPE_PRESENT;
2775 }
2776 }
2777
ad3e0eda
AV		 2778 if (mb[10] & BIT_0)
2779 fcport->supported_classes |= FC_COS_CLASS2;
2780 if (mb[10] & BIT_1)
2781 fcport->supported_classes |= FC_COS_CLASS3;
2782
1da177e4
LT		 2783 rval = QLA_SUCCESS;
2784 break;
2785 } else if (mb[0] == MBS_LOOP_ID_USED) {
2786 /*
2787 * Loop ID already used, try next loop ID.
2788 */
2789 fcport->loop_id++;
2790 rval = qla2x00_find_new_loop_id(ha, fcport);
2791 if (rval != QLA_SUCCESS) {
2792 /* Ran out of loop IDs to use */
2793 break;
2794 }
2795 } else if (mb[0] == MBS_COMMAND_ERROR) {
2796 /*
2797 * Firmware possibly timed out during login. If NO
2798 * retries are left to do then the device is declared
2799 * dead.
2800 */
2801 *next_loopid = fcport->loop_id;
1c7c6357
AV		 2802 ha->isp_ops.fabric_logout(ha, fcport->loop_id,
2803 fcport->d_id.b.domain, fcport->d_id.b.area,
2804 fcport->d_id.b.al_pa);
d97994dc 2805 qla2x00_mark_device_lost(ha, fcport, 1, 0);
1da177e4
LT		 2806
2807 rval = 1;
2808 break;
2809 } else {
2810 /*
2811 * unrecoverable / not handled error
2812 */
2813 DEBUG2(printk("%s(%ld): failed=%x port_id=%02x%02x%02x "
fa2a1ce5
AV		 2814 "loop_id=%x jiffies=%lx.\n",
2815 __func__, ha->host_no, mb[0],
1da177e4
LT		 2816 fcport->d_id.b.domain, fcport->d_id.b.area,
2817 fcport->d_id.b.al_pa, fcport->loop_id, jiffies));
2818
2819 *next_loopid = fcport->loop_id;
1c7c6357
AV		 2820 ha->isp_ops.fabric_logout(ha, fcport->loop_id,
2821 fcport->d_id.b.domain, fcport->d_id.b.area,
2822 fcport->d_id.b.al_pa);
1da177e4 2823 fcport->loop_id = FC_NO_LOOP_ID;
0eedfcf0 2824 fcport->login_retry = 0;
1da177e4
LT		 2825
2826 rval = 3;
2827 break;
2828 }
2829 }
2830
2831 return (rval);
2832}
2833
2834/*
2835 * qla2x00_local_device_login
2836 * Issue local device login command.
2837 *
2838 * Input:
2839 * ha = adapter block pointer.
2840 * loop_id = loop id of device to login to.
2841 *
2842 * Returns (Where's the #define!!!!):
2843 * 0 - Login successfully
2844 * 1 - Login failed
2845 * 3 - Fatal error
2846 */
2847int
9a52a57c 2848qla2x00_local_device_login(scsi_qla_host_t *ha, fc_port_t *fcport)
1da177e4
LT		 2849{
2850 int rval;
2851 uint16_t mb[MAILBOX_REGISTER_COUNT];
2852
2853 memset(mb, 0, sizeof(mb));
9a52a57c 2854 rval = qla2x00_login_local_device(ha, fcport, mb, BIT_0);
1da177e4
LT		 2855 if (rval == QLA_SUCCESS) {
2856 /* Interrogate mailbox registers for any errors */
2857 if (mb[0] == MBS_COMMAND_ERROR)
2858 rval = 1;
2859 else if (mb[0] == MBS_COMMAND_PARAMETER_ERROR)
2860 /* device not in PCB table */
2861 rval = 3;
2862 }
2863
2864 return (rval);
2865}
2866
2867/*
2868 * qla2x00_loop_resync
2869 * Resync with fibre channel devices.
2870 *
2871 * Input:
2872 * ha = adapter block pointer.
2873 *
2874 * Returns:
2875 * 0 = success
2876 */
2877int
fa2a1ce5 2878qla2x00_loop_resync(scsi_qla_host_t *ha)
1da177e4
LT		 2879{
2880 int rval;
2881 uint32_t wait_time;
2882
2883 rval = QLA_SUCCESS;
2884
2885 atomic_set(&ha->loop_state, LOOP_UPDATE);
1da177e4
LT		 2886 clear_bit(ISP_ABORT_RETRY, &ha->dpc_flags);
2887 if (ha->flags.online) {
2888 if (!(rval = qla2x00_fw_ready(ha))) {
2889 /* Wait at most MAX_TARGET RSCNs for a stable link. */
2890 wait_time = 256;
2891 do {
1da177e4
LT		 2892 atomic_set(&ha->loop_state, LOOP_UPDATE);
2893
0107109e
AV		 2894 /* Issue a marker after FW becomes ready. */
2895 qla2x00_marker(ha, 0, 0, MK_SYNC_ALL);
2896 ha->marker_needed = 0;
1da177e4
LT		 2897
2898 /* Remap devices on Loop. */
2899 clear_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags);
2900
2901 qla2x00_configure_loop(ha);
2902 wait_time--;
2903 } while (!atomic_read(&ha->loop_down_timer) &&
2904 !(test_bit(ISP_ABORT_NEEDED, &ha->dpc_flags)) &&
2905 wait_time &&
2906 (test_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags)));
2907 }
1da177e4
LT		 2908 }
2909
2910 if (test_bit(ISP_ABORT_NEEDED, &ha->dpc_flags)) {
2911 return (QLA_FUNCTION_FAILED);
2912 }
2913
2914 if (rval) {
2915 DEBUG2_3(printk("%s(): **** FAILED ****\n", __func__));
2916 }
2917
2918 return (rval);
2919}
2920
1da177e4
LT		 2921void
2922qla2x00_rescan_fcports(scsi_qla_host_t *ha)
2923{
2924 int rescan_done;
2925 fc_port_t *fcport;
2926
2927 rescan_done = 0;
2928 list_for_each_entry(fcport, &ha->fcports, list) {
2929 if ((fcport->flags & FCF_RESCAN_NEEDED) == 0)
2930 continue;
2931
2932 qla2x00_update_fcport(ha, fcport);
2933 fcport->flags &= ~FCF_RESCAN_NEEDED;
2934
2935 rescan_done = 1;
2936 }
fa2a1ce5 2937 qla2x00_probe_for_all_luns(ha);
1da177e4
LT		 2938}
2939
d97994dc 2940void
2941qla2x00_update_fcports(scsi_qla_host_t *ha)
2942{
2943 fc_port_t *fcport;
2944
2945 /* Go with deferred removal of rport references. */
2946 list_for_each_entry(fcport, &ha->fcports, list)
2947 if (fcport->drport)
2948 qla2x00_rport_del(fcport);
2949}
2950
1da177e4
LT		 2951/*
2952* qla2x00_abort_isp
2953* Resets ISP and aborts all outstanding commands.
2954*
2955* Input:
2956* ha = adapter block pointer.
2957*
2958* Returns:
2959* 0 = success
2960*/
2961int
2962qla2x00_abort_isp(scsi_qla_host_t *ha)
2963{
2964 unsigned long flags = 0;
2965 uint16_t cnt;
2966 srb_t *sp;
2967 uint8_t status = 0;
2968
2969 if (ha->flags.online) {
2970 ha->flags.online = 0;
2971 clear_bit(ISP_ABORT_NEEDED, &ha->dpc_flags);
1da177e4
LT		 2972
2973 qla_printk(KERN_INFO, ha,
2974 "Performing ISP error recovery - ha= %p.\n", ha);
abbd8870 2975 ha->isp_ops.reset_chip(ha);
1da177e4
LT		 2976
2977 atomic_set(&ha->loop_down_timer, LOOP_DOWN_TIME);
2978 if (atomic_read(&ha->loop_state) != LOOP_DOWN) {
2979 atomic_set(&ha->loop_state, LOOP_DOWN);
d97994dc 2980 qla2x00_mark_all_devices_lost(ha, 0);
1da177e4
LT		 2981 } else {
2982 if (!atomic_read(&ha->loop_down_timer))
2983 atomic_set(&ha->loop_down_timer,
2984 LOOP_DOWN_TIME);
2985 }
2986
2987 spin_lock_irqsave(&ha->hardware_lock, flags);
2988 /* Requeue all commands in outstanding command list. */
2989 for (cnt = 1; cnt < MAX_OUTSTANDING_COMMANDS; cnt++) {
2990 sp = ha->outstanding_cmds[cnt];
2991 if (sp) {
2992 ha->outstanding_cmds[cnt] = NULL;
1da177e4 2993 sp->flags = 0;
f4f051eb 2994 sp->cmd->result = DID_RESET << 16;
1da177e4 2995 sp->cmd->host_scribble = (unsigned char *)NULL;
f4f051eb 2996 qla2x00_sp_compl(ha, sp);
1da177e4
LT		 2997 }
2998 }
2999 spin_unlock_irqrestore(&ha->hardware_lock, flags);
3000
abbd8870 3001 ha->isp_ops.nvram_config(ha);
1da177e4
LT		 3002
3003 if (!qla2x00_restart_isp(ha)) {
3004 clear_bit(RESET_MARKER_NEEDED, &ha->dpc_flags);
3005
3006 if (!atomic_read(&ha->loop_down_timer)) {
3007 /*
3008 * Issue marker command only when we are going
3009 * to start the I/O .
3010 */
3011 ha->marker_needed = 1;
3012 }
3013
3014 ha->flags.online = 1;
3015
abbd8870 3016 ha->isp_ops.enable_intrs(ha);
1da177e4 3017
fa2a1ce5 3018 ha->isp_abort_cnt = 0;
1da177e4
LT		 3019 clear_bit(ISP_ABORT_RETRY, &ha->dpc_flags);
3020 } else { /* failed the ISP abort */
3021 ha->flags.online = 1;
3022 if (test_bit(ISP_ABORT_RETRY, &ha->dpc_flags)) {
3023 if (ha->isp_abort_cnt == 0) {
3024 qla_printk(KERN_WARNING, ha,
3025 "ISP error recovery failed - "
3026 "board disabled\n");
fa2a1ce5 3027 /*
1da177e4
LT		 3028 * The next call disables the board
3029 * completely.
3030 */
abbd8870 3031 ha->isp_ops.reset_adapter(ha);
1da177e4
LT		 3032 ha->flags.online = 0;
3033 clear_bit(ISP_ABORT_RETRY,
3034 &ha->dpc_flags);
3035 status = 0;
3036 } else { /* schedule another ISP abort */
3037 ha->isp_abort_cnt--;
3038 DEBUG(printk("qla%ld: ISP abort - "
0107109e 3039 "retry remaining %d\n",
1da177e4
LT		 3040 ha->host_no, ha->isp_abort_cnt);)
3041 status = 1;
3042 }
3043 } else {
3044 ha->isp_abort_cnt = MAX_RETRIES_OF_ISP_ABORT;
3045 DEBUG(printk("qla2x00(%ld): ISP error recovery "
3046 "- retrying (%d) more times\n",
3047 ha->host_no, ha->isp_abort_cnt);)
3048 set_bit(ISP_ABORT_RETRY, &ha->dpc_flags);
3049 status = 1;
3050 }
3051 }
fa2a1ce5 3052
1da177e4
LT		 3053 }
3054
3055 if (status) {
3056 qla_printk(KERN_INFO, ha,
3057 "qla2x00_abort_isp: **** FAILED ****\n");
3058 } else {
3059 DEBUG(printk(KERN_INFO
3060 "qla2x00_abort_isp(%ld): exiting.\n",
3061 ha->host_no);)
3062 }
3063
3064 return(status);
3065}
3066
3067/*
3068* qla2x00_restart_isp
3069* restarts the ISP after a reset
3070*
3071* Input:
3072* ha = adapter block pointer.
3073*
3074* Returns:
3075* 0 = success
3076*/
3077static int
3078qla2x00_restart_isp(scsi_qla_host_t *ha)
3079{
3080 uint8_t status = 0;
3d71644c 3081 struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
1da177e4
LT		 3082 unsigned long flags = 0;
3083 uint32_t wait_time;
3084
3085 /* If firmware needs to be loaded */
3086 if (qla2x00_isp_firmware(ha)) {
3087 ha->flags.online = 0;
abbd8870 3088 if (!(status = ha->isp_ops.chip_diag(ha))) {
1da177e4
LT		 3089 if (IS_QLA2100(ha) || IS_QLA2200(ha)) {
3090 status = qla2x00_setup_chip(ha);
3091 goto done;
3092 }
3093
1da177e4
LT		 3094 spin_lock_irqsave(&ha->hardware_lock, flags);
3095
044cc6c8 3096 if (!IS_QLA24XX(ha) && !IS_QLA54XX(ha)) {
0107109e
AV		 3097 /*
3098 * Disable SRAM, Instruction RAM and GP RAM
3099 * parity.
3100 */
3101 WRT_REG_WORD(&reg->hccr,
3102 (HCCR_ENABLE_PARITY + 0x0));
3103 RD_REG_WORD(&reg->hccr);
3104 }
1da177e4
LT		 3105
3106 spin_unlock_irqrestore(&ha->hardware_lock, flags);
fa2a1ce5 3107
1da177e4
LT		 3108 status = qla2x00_setup_chip(ha);
3109
3110 spin_lock_irqsave(&ha->hardware_lock, flags);
fa2a1ce5 3111
044cc6c8 3112 if (!IS_QLA24XX(ha) && !IS_QLA54XX(ha)) {
0107109e
AV		 3113 /* Enable proper parity */
3114 if (IS_QLA2300(ha))
3115 /* SRAM parity */
3116 WRT_REG_WORD(&reg->hccr,
3117 (HCCR_ENABLE_PARITY + 0x1));
3118 else
3119 /*
3120 * SRAM, Instruction RAM and GP RAM
3121 * parity.
3122 */
3123 WRT_REG_WORD(&reg->hccr,
3124 (HCCR_ENABLE_PARITY + 0x7));
3125 RD_REG_WORD(&reg->hccr);
3126 }
1da177e4
LT		 3127
3128 spin_unlock_irqrestore(&ha->hardware_lock, flags);
3129 }
3130 }
3131
3132 done:
3133 if (!status && !(status = qla2x00_init_rings(ha))) {
3134 clear_bit(RESET_MARKER_NEEDED, &ha->dpc_flags);
3135 if (!(status = qla2x00_fw_ready(ha))) {
3136 DEBUG(printk("%s(): Start configure loop, "
0107109e
AV		 3137 "status = %d\n", __func__, status);)
3138
3139 /* Issue a marker after FW becomes ready. */
3140 qla2x00_marker(ha, 0, 0, MK_SYNC_ALL);
3141
1da177e4
LT		 3142 ha->flags.online = 1;
3143 /* Wait at most MAX_TARGET RSCNs for a stable link. */
3144 wait_time = 256;
3145 do {
3146 clear_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags);
3147 qla2x00_configure_loop(ha);
3148 wait_time--;
3149 } while (!atomic_read(&ha->loop_down_timer) &&
3150 !(test_bit(ISP_ABORT_NEEDED, &ha->dpc_flags)) &&
3151 wait_time &&
3152 (test_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags)));
3153 }
3154
3155 /* if no cable then assume it's good */
fa2a1ce5 3156 if ((ha->device_flags & DFLG_NO_CABLE))
1da177e4
LT		 3157 status = 0;
3158
3159 DEBUG(printk("%s(): Configure loop done, status = 0x%x\n",
3160 __func__,
3161 status);)
3162 }
3163 return (status);
3164}
3165
3166/*
3167* qla2x00_reset_adapter
3168* Reset adapter.
3169*
3170* Input:
3171* ha = adapter block pointer.
3172*/
abbd8870 3173void
1da177e4
LT		 3174qla2x00_reset_adapter(scsi_qla_host_t *ha)
3175{
3176 unsigned long flags = 0;
3d71644c 3177 struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
1da177e4
LT		 3178
3179 ha->flags.online = 0;
abbd8870 3180 ha->isp_ops.disable_intrs(ha);
1da177e4 3181
1da177e4
LT		 3182 spin_lock_irqsave(&ha->hardware_lock, flags);
3183 WRT_REG_WORD(&reg->hccr, HCCR_RESET_RISC);
3184 RD_REG_WORD(&reg->hccr); /* PCI Posting. */
3185 WRT_REG_WORD(&reg->hccr, HCCR_RELEASE_RISC);
3186 RD_REG_WORD(&reg->hccr); /* PCI Posting. */
3187 spin_unlock_irqrestore(&ha->hardware_lock, flags);
3188}
0107109e
AV		 3189
3190void
3191qla24xx_reset_adapter(scsi_qla_host_t *ha)
3192{
3193 unsigned long flags = 0;
3194 struct device_reg_24xx __iomem *reg = &ha->iobase->isp24;
3195
3196 ha->flags.online = 0;
3197 ha->isp_ops.disable_intrs(ha);
3198
3199 spin_lock_irqsave(&ha->hardware_lock, flags);
3200 WRT_REG_DWORD(&reg->hccr, HCCRX_SET_RISC_RESET);
3201 RD_REG_DWORD(&reg->hccr);
3202 WRT_REG_DWORD(&reg->hccr, HCCRX_REL_RISC_PAUSE);
3203 RD_REG_DWORD(&reg->hccr);
3204 spin_unlock_irqrestore(&ha->hardware_lock, flags);
3205}
3206
3207int
3208qla24xx_nvram_config(scsi_qla_host_t *ha)
3209{
3210 int rval;
3211 struct init_cb_24xx *icb;
3212 struct nvram_24xx *nv;
3213 uint32_t *dptr;
3214 uint8_t *dptr1, *dptr2;
3215 uint32_t chksum;
3216 uint16_t cnt;
3217
3218 rval = QLA_SUCCESS;
3219 icb = (struct init_cb_24xx *)ha->init_cb;
3220 nv = (struct nvram_24xx *)ha->request_ring;
3221
3222 /* Determine NVRAM starting address. */
3223 ha->nvram_size = sizeof(struct nvram_24xx);
3224 ha->nvram_base = FA_NVRAM_FUNC0_ADDR;
6f641790 3225 ha->vpd_size = FA_NVRAM_VPD_SIZE;
3226 ha->vpd_base = FA_NVRAM_VPD0_ADDR;
3227 if (PCI_FUNC(ha->pdev->devfn)) {
0107109e 3228 ha->nvram_base = FA_NVRAM_FUNC1_ADDR;
6f641790 3229 ha->vpd_base = FA_NVRAM_VPD1_ADDR;
3230 }
0107109e
AV		 3231
3232 /* Get NVRAM data and calculate checksum. */
3233 dptr = (uint32_t *)nv;
3234 ha->isp_ops.read_nvram(ha, (uint8_t *)dptr, ha->nvram_base,
3235 ha->nvram_size);
3236 for (cnt = 0, chksum = 0; cnt < ha->nvram_size >> 2; cnt++)
3237 chksum += le32_to_cpu(*dptr++);
3238
3239 DEBUG5(printk("scsi(%ld): Contents of NVRAM\n", ha->host_no));
3240 DEBUG5(qla2x00_dump_buffer((uint8_t *)ha->request_ring,
3241 ha->nvram_size));
3242
3243 /* Bad NVRAM data, set defaults parameters. */
3244 if (chksum || nv->id[0] != 'I' || nv->id[1] != 'S' || nv->id[2] != 'P'
3245 || nv->id[3] != ' ' ||
3246 nv->nvram_version < __constant_cpu_to_le16(ICB_VERSION)) {
3247 /* Reset NVRAM data. */
3248 qla_printk(KERN_WARNING, ha, "Inconsistent NVRAM detected: "
3249 "checksum=0x%x id=%c version=0x%x.\n", chksum, nv->id[0],
3250 le16_to_cpu(nv->nvram_version));
3251 qla_printk(KERN_WARNING, ha, "Falling back to functioning (yet "
3252 "invalid -- WWPN) defaults.\n");
3253
3254 /*
3255 * Set default initialization control block.
3256 */
3257 memset(nv, 0, ha->nvram_size);
3258 nv->nvram_version = __constant_cpu_to_le16(ICB_VERSION);
3259 nv->version = __constant_cpu_to_le16(ICB_VERSION);
3260 nv->frame_payload_size = __constant_cpu_to_le16(2048);
3261 nv->execution_throttle = __constant_cpu_to_le16(0xFFFF);
3262 nv->exchange_count = __constant_cpu_to_le16(0);
3263 nv->hard_address = __constant_cpu_to_le16(124);
3264 nv->port_name[0] = 0x21;
3265 nv->port_name[1] = 0x00 + PCI_FUNC(ha->pdev->devfn);
3266 nv->port_name[2] = 0x00;
3267 nv->port_name[3] = 0xe0;
3268 nv->port_name[4] = 0x8b;
3269 nv->port_name[5] = 0x1c;
3270 nv->port_name[6] = 0x55;
3271 nv->port_name[7] = 0x86;
3272 nv->node_name[0] = 0x20;
3273 nv->node_name[1] = 0x00;
3274 nv->node_name[2] = 0x00;
3275 nv->node_name[3] = 0xe0;
3276 nv->node_name[4] = 0x8b;
3277 nv->node_name[5] = 0x1c;
3278 nv->node_name[6] = 0x55;
3279 nv->node_name[7] = 0x86;
3280 nv->login_retry_count = __constant_cpu_to_le16(8);
3281 nv->link_down_timeout = __constant_cpu_to_le16(200);
3282 nv->interrupt_delay_timer = __constant_cpu_to_le16(0);
3283 nv->login_timeout = __constant_cpu_to_le16(0);
3284 nv->firmware_options_1 =
3285 __constant_cpu_to_le32(BIT_14|BIT_13|BIT_2|BIT_1);
3286 nv->firmware_options_2 = __constant_cpu_to_le32(2 << 4);
3287 nv->firmware_options_2 |= __constant_cpu_to_le32(BIT_12);
3288 nv->firmware_options_3 = __constant_cpu_to_le32(2 << 13);
3289 nv->host_p = __constant_cpu_to_le32(BIT_11|BIT_10);
3290 nv->efi_parameters = __constant_cpu_to_le32(0);
3291 nv->reset_delay = 5;
3292 nv->max_luns_per_target = __constant_cpu_to_le16(128);
3293 nv->port_down_retry_count = __constant_cpu_to_le16(30);
3294 nv->link_down_timeout = __constant_cpu_to_le16(30);
3295
3296 rval = 1;
3297 }
3298
3299 /* Reset Initialization control block */
3300 memset(icb, 0, sizeof(struct init_cb_24xx));
3301
3302 /* Copy 1st segment. */
3303 dptr1 = (uint8_t *)icb;
3304 dptr2 = (uint8_t *)&nv->version;
3305 cnt = (uint8_t *)&icb->response_q_inpointer - (uint8_t *)&icb->version;
3306 while (cnt--)
3307 *dptr1++ = *dptr2++;
3308
3309 icb->login_retry_count = nv->login_retry_count;
3310 icb->link_down_timeout = nv->link_down_timeout;
3311
3312 /* Copy 2nd segment. */
3313 dptr1 = (uint8_t *)&icb->interrupt_delay_timer;
3314 dptr2 = (uint8_t *)&nv->interrupt_delay_timer;
3315 cnt = (uint8_t *)&icb->reserved_3 -
3316 (uint8_t *)&icb->interrupt_delay_timer;
3317 while (cnt--)
3318 *dptr1++ = *dptr2++;
3319
3320 /*
3321 * Setup driver NVRAM options.
3322 */
3323 if (memcmp(nv->model_name, BINZERO, sizeof(nv->model_name)) != 0) {
3324 char *st, *en;
3325 uint16_t index;
3326
3327 strncpy(ha->model_number, nv->model_name,
3328 sizeof(nv->model_name));
3329 st = en = ha->model_number;
3330 en += sizeof(nv->model_name) - 1;
3331 while (en > st) {
3332 if (*en != 0x20 && *en != 0x00)
3333 break;
3334 *en-- = '\0';
3335 }
3336
3337 index = (ha->pdev->subsystem_device & 0xff);
3338 if (index < QLA_MODEL_NAMES)
1328962e 3339 ha->model_desc = qla2x00_model_name[index * 2 + 1];
0107109e
AV		 3340 } else
3341 strcpy(ha->model_number, "QLA2462");
3342
5341e868
AV		 3343 /* Use alternate WWN? */
3344 if (nv->host_p & __constant_cpu_to_le32(BIT_15)) {
3345 memcpy(icb->node_name, nv->alternate_node_name, WWN_SIZE);
3346 memcpy(icb->port_name, nv->alternate_port_name, WWN_SIZE);
3347 }
3348
0107109e 3349 /* Prepare nodename */
fd0e7e4d 3350 if ((icb->firmware_options_1 & __constant_cpu_to_le32(BIT_14)) == 0) {
0107109e
AV		 3351 /*
3352 * Firmware will apply the following mask if the nodename was
3353 * not provided.
3354 */
3355 memcpy(icb->node_name, icb->port_name, WWN_SIZE);
3356 icb->node_name[0] &= 0xF0;
3357 }
3358
3359 /* Set host adapter parameters. */
3360 ha->flags.disable_risc_code_load = 0;
3361 ha->flags.enable_lip_reset = 1;
3362 ha->flags.enable_lip_full_login = 1;
3363 ha->flags.enable_target_reset = 1;
3364 ha->flags.enable_led_scheme = 0;
3365
fd0e7e4d
AV		 3366 ha->operating_mode = (le32_to_cpu(icb->firmware_options_2) &
3367 (BIT_6 | BIT_5 | BIT_4)) >> 4;
0107109e
AV		 3368
3369 memcpy(ha->fw_seriallink_options24, nv->seriallink_options,
3370 sizeof(ha->fw_seriallink_options24));
3371
3372 /* save HBA serial number */
3373 ha->serial0 = icb->port_name[5];
3374 ha->serial1 = icb->port_name[6];
3375 ha->serial2 = icb->port_name[7];
3376 ha->node_name = icb->node_name;
3377 ha->port_name = icb->port_name;
3378
bc8fb3cb 3379 icb->execution_throttle = __constant_cpu_to_le16(0xFFFF);
3380
0107109e
AV		 3381 ha->retry_count = le16_to_cpu(nv->login_retry_count);
3382
3383 /* Set minimum login_timeout to 4 seconds. */
3384 if (le16_to_cpu(nv->login_timeout) < ql2xlogintimeout)
3385 nv->login_timeout = cpu_to_le16(ql2xlogintimeout);
3386 if (le16_to_cpu(nv->login_timeout) < 4)
3387 nv->login_timeout = __constant_cpu_to_le16(4);
3388 ha->login_timeout = le16_to_cpu(nv->login_timeout);
3389 icb->login_timeout = cpu_to_le16(nv->login_timeout);
3390
3391 /* Set minimum RATOV to 200 tenths of a second. */
3392 ha->r_a_tov = 200;
3393
3394 ha->loop_reset_delay = nv->reset_delay;
3395
3396 /* Link Down Timeout = 0:
3397 *
3398 * When Port Down timer expires we will start returning
3399 * I/O's to OS with "DID_NO_CONNECT".
3400 *
3401 * Link Down Timeout != 0:
3402 *
3403 * The driver waits for the link to come up after link down
3404 * before returning I/Os to OS with "DID_NO_CONNECT".
3405 */
3406 if (le16_to_cpu(nv->link_down_timeout) == 0) {
3407 ha->loop_down_abort_time =
3408 (LOOP_DOWN_TIME - LOOP_DOWN_TIMEOUT);
3409 } else {
3410 ha->link_down_timeout = le16_to_cpu(nv->link_down_timeout);
3411 ha->loop_down_abort_time =
3412 (LOOP_DOWN_TIME - ha->link_down_timeout);
3413 }
3414
3415 /* Need enough time to try and get the port back. */
3416 ha->port_down_retry_count = le16_to_cpu(nv->port_down_retry_count);
3417 if (qlport_down_retry)
3418 ha->port_down_retry_count = qlport_down_retry;
3419
3420 /* Set login_retry_count */
3421 ha->login_retry_count = le16_to_cpu(nv->login_retry_count);
3422 if (ha->port_down_retry_count ==
3423 le16_to_cpu(nv->port_down_retry_count) &&
3424 ha->port_down_retry_count > 3)
3425 ha->login_retry_count = ha->port_down_retry_count;
3426 else if (ha->port_down_retry_count > (int)ha->login_retry_count)
3427 ha->login_retry_count = ha->port_down_retry_count;
3428 if (ql2xloginretrycount)
3429 ha->login_retry_count = ql2xloginretrycount;
3430
4fdfefe5
AV		 3431 /* Enable ZIO. */
3432 if (!ha->flags.init_done) {
3433 ha->zio_mode = le32_to_cpu(icb->firmware_options_2) &
3434 (BIT_3 | BIT_2 | BIT_1 | BIT_0);
3435 ha->zio_timer = le16_to_cpu(icb->interrupt_delay_timer) ?
3436 le16_to_cpu(icb->interrupt_delay_timer): 2;
3437 }
3438 icb->firmware_options_2 &= __constant_cpu_to_le32(
3439 ~(BIT_3 | BIT_2 | BIT_1 | BIT_0));
3440 ha->flags.process_response_queue = 0;
3441 if (ha->zio_mode != QLA_ZIO_DISABLED) {
4a59f71d 3442 ha->zio_mode = QLA_ZIO_MODE_6;
3443
4fdfefe5
AV		 3444 DEBUG2(printk("scsi(%ld): ZIO mode %d enabled; timer delay "
3445 "(%d us).\n", ha->host_no, ha->zio_mode,
3446 ha->zio_timer * 100));
3447 qla_printk(KERN_INFO, ha,
3448 "ZIO mode %d enabled; timer delay (%d us).\n",
3449 ha->zio_mode, ha->zio_timer * 100);
3450
3451 icb->firmware_options_2 |= cpu_to_le32(
3452 (uint32_t)ha->zio_mode);
3453 icb->interrupt_delay_timer = cpu_to_le16(ha->zio_timer);
3454 ha->flags.process_response_queue = 1;
3455 }
3456
0107109e
AV		 3457 if (rval) {
3458 DEBUG2_3(printk(KERN_WARNING
3459 "scsi(%ld): NVRAM configuration failed!\n", ha->host_no));
3460 }
3461 return (rval);
3462}
3463
d1c61909
AV		 3464int
3465qla24xx_load_risc_flash(scsi_qla_host_t *ha, uint32_t *srisc_addr)
3466{
3467 int rval;
3468 int segments, fragment;
3469 uint32_t faddr;
3470 uint32_t *dcode, dlen;
3471 uint32_t risc_addr;
3472 uint32_t risc_size;
3473 uint32_t i;
3474
3475 rval = QLA_SUCCESS;
3476
3477 segments = FA_RISC_CODE_SEGMENTS;
3478 faddr = FA_RISC_CODE_ADDR;
3479 dcode = (uint32_t *)ha->request_ring;
3480 *srisc_addr = 0;
3481
3482 /* Validate firmware image by checking version. */
3483 qla24xx_read_flash_data(ha, dcode, faddr + 4, 4);
3484 for (i = 0; i < 4; i++)
3485 dcode[i] = be32_to_cpu(dcode[i]);
3486 if ((dcode[0] == 0xffffffff && dcode[1] == 0xffffffff &&
3487 dcode[2] == 0xffffffff && dcode[3] == 0xffffffff) ||
3488 (dcode[0] == 0 && dcode[1] == 0 && dcode[2] == 0 &&
3489 dcode[3] == 0)) {
3490 qla_printk(KERN_WARNING, ha,
3491 "Unable to verify integrity of flash firmware image!\n");
3492 qla_printk(KERN_WARNING, ha,
3493 "Firmware data: %08x %08x %08x %08x!\n", dcode[0],
3494 dcode[1], dcode[2], dcode[3]);
3495
3496 return QLA_FUNCTION_FAILED;
3497 }
3498
3499 while (segments && rval == QLA_SUCCESS) {
3500 /* Read segment's load information. */
3501 qla24xx_read_flash_data(ha, dcode, faddr, 4);
3502
3503 risc_addr = be32_to_cpu(dcode[2]);
3504 *srisc_addr = *srisc_addr == 0 ? risc_addr : *srisc_addr;
3505 risc_size = be32_to_cpu(dcode[3]);
3506
3507 fragment = 0;
3508 while (risc_size > 0 && rval == QLA_SUCCESS) {
3509 dlen = (uint32_t)(ha->fw_transfer_size >> 2);
3510 if (dlen > risc_size)
3511 dlen = risc_size;
3512
3513 DEBUG7(printk("scsi(%ld): Loading risc segment@ risc "
3514 "addr %x, number of dwords 0x%x, offset 0x%x.\n",
3515 ha->host_no, risc_addr, dlen, faddr));
3516
3517 qla24xx_read_flash_data(ha, dcode, faddr, dlen);
3518 for (i = 0; i < dlen; i++)
3519 dcode[i] = swab32(dcode[i]);
3520
3521 rval = qla2x00_load_ram(ha, ha->request_dma, risc_addr,
3522 dlen);
3523 if (rval) {
3524 DEBUG(printk("scsi(%ld):[ERROR] Failed to load "
3525 "segment %d of firmware\n", ha->host_no,
3526 fragment));
3527 qla_printk(KERN_WARNING, ha,
3528 "[ERROR] Failed to load segment %d of "
3529 "firmware\n", fragment);
3530 break;
3531 }
3532
3533 faddr += dlen;
3534 risc_addr += dlen;
3535 risc_size -= dlen;
3536 fragment++;
3537 }
3538
3539 /* Next segment. */
3540 segments--;
3541 }
3542
3543 return rval;
3544}
3545
d1c61909
AV		 3546#define QLA_FW_URL "ftp://ftp.qlogic.com/outgoing/linux/firmware/"
3547
0107109e 3548int
5433383e
AV		 3549qla2x00_load_risc(scsi_qla_host_t *ha, uint32_t *srisc_addr)
3550{
3551 int rval;
3552 int i, fragment;
3553 uint16_t *wcode, *fwcode;
3554 uint32_t risc_addr, risc_size, fwclen, wlen, *seg;
3555 struct fw_blob *blob;
3556
3557 /* Load firmware blob. */
3558 blob = qla2x00_request_firmware(ha);
3559 if (!blob) {
3560 qla_printk(KERN_ERR, ha, "Firmware image unavailable.\n");
d1c61909
AV		 3561 qla_printk(KERN_ERR, ha, "Firmware images can be retrieved "
3562 "from: " QLA_FW_URL ".\n");
5433383e
AV		 3563 return QLA_FUNCTION_FAILED;
3564 }
3565
3566 rval = QLA_SUCCESS;
3567
3568 wcode = (uint16_t *)ha->request_ring;
3569 *srisc_addr = 0;
3570 fwcode = (uint16_t *)blob->fw->data;
3571 fwclen = 0;
3572
3573 /* Validate firmware image by checking version. */
3574 if (blob->fw->size < 8 * sizeof(uint16_t)) {
3575 qla_printk(KERN_WARNING, ha,
3576 "Unable to verify integrity of firmware image (%Zd)!\n",
3577 blob->fw->size);
3578 goto fail_fw_integrity;
3579 }
3580 for (i = 0; i < 4; i++)
3581 wcode[i] = be16_to_cpu(fwcode[i + 4]);
3582 if ((wcode[0] == 0xffff && wcode[1] == 0xffff && wcode[2] == 0xffff &&
3583 wcode[3] == 0xffff) || (wcode[0] == 0 && wcode[1] == 0 &&
3584 wcode[2] == 0 && wcode[3] == 0)) {
3585 qla_printk(KERN_WARNING, ha,
3586 "Unable to verify integrity of firmware image!\n");
3587 qla_printk(KERN_WARNING, ha,
3588 "Firmware data: %04x %04x %04x %04x!\n", wcode[0],
3589 wcode[1], wcode[2], wcode[3]);
3590 goto fail_fw_integrity;
3591 }
3592
3593 seg = blob->segs;
3594 while (*seg && rval == QLA_SUCCESS) {
3595 risc_addr = *seg;
3596 *srisc_addr = *srisc_addr == 0 ? *seg : *srisc_addr;
3597 risc_size = be16_to_cpu(fwcode[3]);
3598
3599 /* Validate firmware image size. */
3600 fwclen += risc_size * sizeof(uint16_t);
3601 if (blob->fw->size < fwclen) {
3602 qla_printk(KERN_WARNING, ha,
3603 "Unable to verify integrity of firmware image "
3604 "(%Zd)!\n", blob->fw->size);
3605 goto fail_fw_integrity;
3606 }
3607
3608 fragment = 0;
3609 while (risc_size > 0 && rval == QLA_SUCCESS) {
3610 wlen = (uint16_t)(ha->fw_transfer_size >> 1);
3611 if (wlen > risc_size)
3612 wlen = risc_size;
3613
3614 DEBUG7(printk("scsi(%ld): Loading risc segment@ risc "
3615 "addr %x, number of words 0x%x.\n", ha->host_no,
3616 risc_addr, wlen));
3617
3618 for (i = 0; i < wlen; i++)
3619 wcode[i] = swab16(fwcode[i]);
3620
3621 rval = qla2x00_load_ram(ha, ha->request_dma, risc_addr,
3622 wlen);
3623 if (rval) {
3624 DEBUG(printk("scsi(%ld):[ERROR] Failed to load "
3625 "segment %d of firmware\n", ha->host_no,
3626 fragment));
3627 qla_printk(KERN_WARNING, ha,
3628 "[ERROR] Failed to load segment %d of "
3629 "firmware\n", fragment);
3630 break;
3631 }
3632
3633 fwcode += wlen;
3634 risc_addr += wlen;
3635 risc_size -= wlen;
3636 fragment++;
3637 }
3638
3639 /* Next segment. */
3640 seg++;
3641 }
3642 return rval;
3643
3644fail_fw_integrity:
3645 return QLA_FUNCTION_FAILED;
3646}
3647
3648int
3649qla24xx_load_risc(scsi_qla_host_t *ha, uint32_t *srisc_addr)
0107109e
AV		 3650{
3651 int rval;
3652 int segments, fragment;
3653 uint32_t *dcode, dlen;
3654 uint32_t risc_addr;
3655 uint32_t risc_size;
3656 uint32_t i;
5433383e 3657 struct fw_blob *blob;
0107109e
AV		 3658 uint32_t *fwcode, fwclen;
3659
5433383e
AV		 3660 /* Load firmware blob. */
3661 blob = qla2x00_request_firmware(ha);
3662 if (!blob) {
3663 qla_printk(KERN_ERR, ha, "Firmware image unavailable.\n");
d1c61909
AV		 3664 qla_printk(KERN_ERR, ha, "Firmware images can be retrieved "
3665 "from: " QLA_FW_URL ".\n");
3666
3667 /* Try to load RISC code from flash. */
3668 qla_printk(KERN_ERR, ha, "Attempting to load (potentially "
3669 "outdated) firmware from flash.\n");
3670 return qla24xx_load_risc_flash(ha, srisc_addr);
0107109e
AV		 3671 }
3672
3673 rval = QLA_SUCCESS;
3674
3675 segments = FA_RISC_CODE_SEGMENTS;
3676 dcode = (uint32_t *)ha->request_ring;
3677 *srisc_addr = 0;
5433383e 3678 fwcode = (uint32_t *)blob->fw->data;
0107109e
AV		 3679 fwclen = 0;
3680
3681 /* Validate firmware image by checking version. */
5433383e 3682 if (blob->fw->size < 8 * sizeof(uint32_t)) {
0107109e 3683 qla_printk(KERN_WARNING, ha,
5433383e
AV		 3684 "Unable to verify integrity of firmware image (%Zd)!\n",
3685 blob->fw->size);
0107109e
AV		 3686 goto fail_fw_integrity;
3687 }
3688 for (i = 0; i < 4; i++)
3689 dcode[i] = be32_to_cpu(fwcode[i + 4]);
3690 if ((dcode[0] == 0xffffffff && dcode[1] == 0xffffffff &&
3691 dcode[2] == 0xffffffff && dcode[3] == 0xffffffff) ||
3692 (dcode[0] == 0 && dcode[1] == 0 && dcode[2] == 0 &&
3693 dcode[3] == 0)) {
3694 qla_printk(KERN_WARNING, ha,
5433383e 3695 "Unable to verify integrity of firmware image!\n");
0107109e
AV		 3696 qla_printk(KERN_WARNING, ha,
3697 "Firmware data: %08x %08x %08x %08x!\n", dcode[0],
3698 dcode[1], dcode[2], dcode[3]);
3699 goto fail_fw_integrity;
3700 }
3701
3702 while (segments && rval == QLA_SUCCESS) {
3703 risc_addr = be32_to_cpu(fwcode[2]);
3704 *srisc_addr = *srisc_addr == 0 ? risc_addr : *srisc_addr;
3705 risc_size = be32_to_cpu(fwcode[3]);
3706
3707 /* Validate firmware image size. */
3708 fwclen += risc_size * sizeof(uint32_t);
5433383e 3709 if (blob->fw->size < fwclen) {
0107109e 3710 qla_printk(KERN_WARNING, ha,
5433383e
AV		 3711 "Unable to verify integrity of firmware image "
3712 "(%Zd)!\n", blob->fw->size);
3713
0107109e
AV		 3714 goto fail_fw_integrity;
3715 }
3716
3717 fragment = 0;
3718 while (risc_size > 0 && rval == QLA_SUCCESS) {
3719 dlen = (uint32_t)(ha->fw_transfer_size >> 2);
3720 if (dlen > risc_size)
3721 dlen = risc_size;
3722
3723 DEBUG7(printk("scsi(%ld): Loading risc segment@ risc "
3724 "addr %x, number of dwords 0x%x.\n", ha->host_no,
3725 risc_addr, dlen));
3726
3727 for (i = 0; i < dlen; i++)
3728 dcode[i] = swab32(fwcode[i]);
3729
590f98e5 3730 rval = qla2x00_load_ram(ha, ha->request_dma, risc_addr,
3731 dlen);
0107109e
AV		 3732 if (rval) {
3733 DEBUG(printk("scsi(%ld):[ERROR] Failed to load "
3734 "segment %d of firmware\n", ha->host_no,
3735 fragment));
3736 qla_printk(KERN_WARNING, ha,
3737 "[ERROR] Failed to load segment %d of "
3738 "firmware\n", fragment);
3739 break;
3740 }
3741
3742 fwcode += dlen;
3743 risc_addr += dlen;
3744 risc_size -= dlen;
3745 fragment++;
3746 }
3747
3748 /* Next segment. */
3749 segments--;
3750 }
0107109e
AV		 3751 return rval;
3752
3753fail_fw_integrity:
0107109e 3754 return QLA_FUNCTION_FAILED;
0107109e 3755}
Linux kernel - Deliverables
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