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[SCSI] SCSI core: Allow QUIESCE -> CANCEL sdev transition
[net-next-2.6.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{
d4e3e04d
AV		 776 uint32_t dump_size = 0;
777
0107109e 778 ha->fw_dumped = 0;
d4e3e04d
AV		 779 if (IS_QLA2100(ha) || IS_QLA2200(ha)) {
780 dump_size = sizeof(struct qla2100_fw_dump);
781 } else if (IS_QLA23XX(ha)) {
782 dump_size = sizeof(struct qla2300_fw_dump);
783 dump_size += (ha->fw_memory_size - 0x11000) * sizeof(uint16_t);
784 } else if (IS_QLA24XX(ha) || IS_QLA54XX(ha)) {
785 dump_size = sizeof(struct qla24xx_fw_dump);
786 dump_size += (ha->fw_memory_size - 0x100000) * sizeof(uint32_t);
787 }
788
789 ha->fw_dump = vmalloc(dump_size);
790 if (ha->fw_dump)
0107109e 791 qla_printk(KERN_INFO, ha, "Allocated (%d KB) for firmware "
d4e3e04d 792 "dump...\n", dump_size / 1024);
0107109e
AV		 793 else
794 qla_printk(KERN_WARNING, ha, "Unable to allocate (%d KB) for "
d4e3e04d 795 "firmware dump!!!\n", dump_size / 1024);
0107109e
AV		 796}
797
1da177e4
LT		 798/**
799 * qla2x00_resize_request_q() - Resize request queue given available ISP memory.
800 * @ha: HA context
801 *
802 * Returns 0 on success.
803 */
804static void
805qla2x00_resize_request_q(scsi_qla_host_t *ha)
806{
807 int rval;
808 uint16_t fw_iocb_cnt = 0;
809 uint16_t request_q_length = REQUEST_ENTRY_CNT_2XXX_EXT_MEM;
810 dma_addr_t request_dma;
811 request_t *request_ring;
812
d4e3e04d
AV		 813 qla2x00_alloc_fw_dump(ha);
814
1da177e4
LT		 815 /* Valid only on recent ISPs. */
816 if (IS_QLA2100(ha) || IS_QLA2200(ha))
817 return;
818
819 /* Retrieve IOCB counts available to the firmware. */
820 rval = qla2x00_get_resource_cnts(ha, NULL, NULL, NULL, &fw_iocb_cnt);
821 if (rval)
822 return;
823 /* No point in continuing if current settings are sufficient. */
824 if (fw_iocb_cnt < 1024)
825 return;
826 if (ha->request_q_length >= request_q_length)
827 return;
828
829 /* Attempt to claim larger area for request queue. */
830 request_ring = dma_alloc_coherent(&ha->pdev->dev,
831 (request_q_length + 1) * sizeof(request_t), &request_dma,
832 GFP_KERNEL);
833 if (request_ring == NULL)
834 return;
835
836 /* Resize successful, report extensions. */
837 qla_printk(KERN_INFO, ha, "Extended memory detected (%d KB)...\n",
838 (ha->fw_memory_size + 1) / 1024);
839 qla_printk(KERN_INFO, ha, "Resizing request queue depth "
840 "(%d -> %d)...\n", ha->request_q_length, request_q_length);
841
842 /* Clear old allocations. */
843 dma_free_coherent(&ha->pdev->dev,
844 (ha->request_q_length + 1) * sizeof(request_t), ha->request_ring,
845 ha->request_dma);
846
847 /* Begin using larger queue. */
848 ha->request_q_length = request_q_length;
849 ha->request_ring = request_ring;
850 ha->request_dma = request_dma;
851}
852
853/**
854 * qla2x00_setup_chip() - Load and start RISC firmware.
855 * @ha: HA context
856 *
857 * Returns 0 on success.
858 */
859static int
860qla2x00_setup_chip(scsi_qla_host_t *ha)
861{
0107109e
AV		 862 int rval;
863 uint32_t srisc_address = 0;
1da177e4
LT		 864
865 /* Load firmware sequences */
0107109e
AV		 866 rval = ha->isp_ops.load_risc(ha, &srisc_address);
867 if (rval == QLA_SUCCESS) {
1da177e4
LT		 868 DEBUG(printk("scsi(%ld): Verifying Checksum of loaded RISC "
869 "code.\n", ha->host_no));
870
0107109e 871 rval = qla2x00_verify_checksum(ha, srisc_address);
1da177e4
LT		 872 if (rval == QLA_SUCCESS) {
873 /* Start firmware execution. */
874 DEBUG(printk("scsi(%ld): Checksum OK, start "
875 "firmware.\n", ha->host_no));
876
0107109e 877 rval = qla2x00_execute_fw(ha, srisc_address);
1da177e4
LT		 878 /* Retrieve firmware information. */
879 if (rval == QLA_SUCCESS && ha->fw_major_version == 0) {
880 qla2x00_get_fw_version(ha,
881 &ha->fw_major_version,
882 &ha->fw_minor_version,
883 &ha->fw_subminor_version,
884 &ha->fw_attributes, &ha->fw_memory_size);
885 qla2x00_resize_request_q(ha);
886 }
887 } else {
888 DEBUG2(printk(KERN_INFO
889 "scsi(%ld): ISP Firmware failed checksum.\n",
890 ha->host_no));
891 }
892 }
893
894 if (rval) {
895 DEBUG2_3(printk("scsi(%ld): Setup chip **** FAILED ****.\n",
896 ha->host_no));
897 }
898
899 return (rval);
900}
901
902/**
903 * qla2x00_init_response_q_entries() - Initializes response queue entries.
904 * @ha: HA context
905 *
906 * Beginning of request ring has initialization control block already built
907 * by nvram config routine.
908 *
909 * Returns 0 on success.
910 */
911static void
912qla2x00_init_response_q_entries(scsi_qla_host_t *ha)
913{
914 uint16_t cnt;
915 response_t *pkt;
916
917 pkt = ha->response_ring_ptr;
918 for (cnt = 0; cnt < ha->response_q_length; cnt++) {
919 pkt->signature = RESPONSE_PROCESSED;
920 pkt++;
921 }
922
923}
924
925/**
926 * qla2x00_update_fw_options() - Read and process firmware options.
927 * @ha: HA context
928 *
929 * Returns 0 on success.
930 */
abbd8870 931void
1da177e4
LT		 932qla2x00_update_fw_options(scsi_qla_host_t *ha)
933{
934 uint16_t swing, emphasis, tx_sens, rx_sens;
935
936 memset(ha->fw_options, 0, sizeof(ha->fw_options));
937 qla2x00_get_fw_options(ha, ha->fw_options);
938
939 if (IS_QLA2100(ha) || IS_QLA2200(ha))
940 return;
941
942 /* Serial Link options. */
943 DEBUG3(printk("scsi(%ld): Serial link options:\n",
944 ha->host_no));
945 DEBUG3(qla2x00_dump_buffer((uint8_t *)&ha->fw_seriallink_options,
946 sizeof(ha->fw_seriallink_options)));
947
948 ha->fw_options[1] &= ~FO1_SET_EMPHASIS_SWING;
949 if (ha->fw_seriallink_options[3] & BIT_2) {
950 ha->fw_options[1] |= FO1_SET_EMPHASIS_SWING;
951
952 /* 1G settings */
953 swing = ha->fw_seriallink_options[2] & (BIT_2 | BIT_1 | BIT_0);
954 emphasis = (ha->fw_seriallink_options[2] &
955 (BIT_4 | BIT_3)) >> 3;
956 tx_sens = ha->fw_seriallink_options[0] &
fa2a1ce5 957 (BIT_3 | BIT_2 | BIT_1 | BIT_0);
1da177e4
LT		 958 rx_sens = (ha->fw_seriallink_options[0] &
959 (BIT_7 | BIT_6 | BIT_5 | BIT_4)) >> 4;
960 ha->fw_options[10] = (emphasis << 14) | (swing << 8);
961 if (IS_QLA2300(ha) || IS_QLA2312(ha) || IS_QLA6312(ha)) {
962 if (rx_sens == 0x0)
963 rx_sens = 0x3;
964 ha->fw_options[10] |= (tx_sens << 4) | rx_sens;
965 } else if (IS_QLA2322(ha) || IS_QLA6322(ha))
966 ha->fw_options[10] |= BIT_5 |
967 ((rx_sens & (BIT_1 | BIT_0)) << 2) |
968 (tx_sens & (BIT_1 | BIT_0));
969
970 /* 2G settings */
971 swing = (ha->fw_seriallink_options[2] &
972 (BIT_7 | BIT_6 | BIT_5)) >> 5;
973 emphasis = ha->fw_seriallink_options[3] & (BIT_1 | BIT_0);
974 tx_sens = ha->fw_seriallink_options[1] &
fa2a1ce5 975 (BIT_3 | BIT_2 | BIT_1 | BIT_0);
1da177e4
LT		 976 rx_sens = (ha->fw_seriallink_options[1] &
977 (BIT_7 | BIT_6 | BIT_5 | BIT_4)) >> 4;
978 ha->fw_options[11] = (emphasis << 14) | (swing << 8);
979 if (IS_QLA2300(ha) || IS_QLA2312(ha) || IS_QLA6312(ha)) {
980 if (rx_sens == 0x0)
981 rx_sens = 0x3;
982 ha->fw_options[11] |= (tx_sens << 4) | rx_sens;
983 } else if (IS_QLA2322(ha) || IS_QLA6322(ha))
984 ha->fw_options[11] |= BIT_5 |
985 ((rx_sens & (BIT_1 | BIT_0)) << 2) |
986 (tx_sens & (BIT_1 | BIT_0));
987 }
988
989 /* FCP2 options. */
990 /* Return command IOCBs without waiting for an ABTS to complete. */
991 ha->fw_options[3] |= BIT_13;
992
993 /* LED scheme. */
994 if (ha->flags.enable_led_scheme)
995 ha->fw_options[2] |= BIT_12;
996
48c02fde
AV		 997 /* Detect ISP6312. */
998 if (IS_QLA6312(ha))
999 ha->fw_options[2] |= BIT_13;
1000
1da177e4
LT		 1001 /* Update firmware options. */
1002 qla2x00_set_fw_options(ha, ha->fw_options);
1003}
1004
0107109e
AV		 1005void
1006qla24xx_update_fw_options(scsi_qla_host_t *ha)
1007{
1008 int rval;
1009
1010 /* Update Serial Link options. */
f94097ed 1011 if ((le16_to_cpu(ha->fw_seriallink_options24[0]) & BIT_0) == 0)
0107109e
AV		 1012 return;
1013
f94097ed
AV		 1014 rval = qla2x00_set_serdes_params(ha,
1015 le16_to_cpu(ha->fw_seriallink_options24[1]),
1016 le16_to_cpu(ha->fw_seriallink_options24[2]),
1017 le16_to_cpu(ha->fw_seriallink_options24[3]));
0107109e
AV		 1018 if (rval != QLA_SUCCESS) {
1019 qla_printk(KERN_WARNING, ha,
1020 "Unable to update Serial Link options (%x).\n", rval);
1021 }
1022}
1023
abbd8870
AV		 1024void
1025qla2x00_config_rings(struct scsi_qla_host *ha)
1026{
3d71644c 1027 struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
abbd8870
AV		 1028
1029 /* Setup ring parameters in initialization control block. */
1030 ha->init_cb->request_q_outpointer = __constant_cpu_to_le16(0);
1031 ha->init_cb->response_q_inpointer = __constant_cpu_to_le16(0);
1032 ha->init_cb->request_q_length = cpu_to_le16(ha->request_q_length);
1033 ha->init_cb->response_q_length = cpu_to_le16(ha->response_q_length);
1034 ha->init_cb->request_q_address[0] = cpu_to_le32(LSD(ha->request_dma));
1035 ha->init_cb->request_q_address[1] = cpu_to_le32(MSD(ha->request_dma));
1036 ha->init_cb->response_q_address[0] = cpu_to_le32(LSD(ha->response_dma));
1037 ha->init_cb->response_q_address[1] = cpu_to_le32(MSD(ha->response_dma));
1038
1039 WRT_REG_WORD(ISP_REQ_Q_IN(ha, reg), 0);
1040 WRT_REG_WORD(ISP_REQ_Q_OUT(ha, reg), 0);
1041 WRT_REG_WORD(ISP_RSP_Q_IN(ha, reg), 0);
1042 WRT_REG_WORD(ISP_RSP_Q_OUT(ha, reg), 0);
1043 RD_REG_WORD(ISP_RSP_Q_OUT(ha, reg)); /* PCI Posting. */
1044}
1045
0107109e
AV		 1046void
1047qla24xx_config_rings(struct scsi_qla_host *ha)
1048{
1049 struct device_reg_24xx __iomem *reg = &ha->iobase->isp24;
1050 struct init_cb_24xx *icb;
1051
1052 /* Setup ring parameters in initialization control block. */
1053 icb = (struct init_cb_24xx *)ha->init_cb;
1054 icb->request_q_outpointer = __constant_cpu_to_le16(0);
1055 icb->response_q_inpointer = __constant_cpu_to_le16(0);
1056 icb->request_q_length = cpu_to_le16(ha->request_q_length);
1057 icb->response_q_length = cpu_to_le16(ha->response_q_length);
1058 icb->request_q_address[0] = cpu_to_le32(LSD(ha->request_dma));
1059 icb->request_q_address[1] = cpu_to_le32(MSD(ha->request_dma));
1060 icb->response_q_address[0] = cpu_to_le32(LSD(ha->response_dma));
1061 icb->response_q_address[1] = cpu_to_le32(MSD(ha->response_dma));
1062
1063 WRT_REG_DWORD(&reg->req_q_in, 0);
1064 WRT_REG_DWORD(&reg->req_q_out, 0);
1065 WRT_REG_DWORD(&reg->rsp_q_in, 0);
1066 WRT_REG_DWORD(&reg->rsp_q_out, 0);
1067 RD_REG_DWORD(&reg->rsp_q_out);
1068}
1069
1da177e4
LT		 1070/**
1071 * qla2x00_init_rings() - Initializes firmware.
1072 * @ha: HA context
1073 *
1074 * Beginning of request ring has initialization control block already built
1075 * by nvram config routine.
1076 *
1077 * Returns 0 on success.
1078 */
1079static int
1080qla2x00_init_rings(scsi_qla_host_t *ha)
1081{
1082 int rval;
1083 unsigned long flags = 0;
1084 int cnt;
1da177e4
LT		 1085
1086 spin_lock_irqsave(&ha->hardware_lock, flags);
1087
1088 /* Clear outstanding commands array. */
1089 for (cnt = 0; cnt < MAX_OUTSTANDING_COMMANDS; cnt++)
1090 ha->outstanding_cmds[cnt] = NULL;
1091
1092 ha->current_outstanding_cmd = 0;
1093
1094 /* Clear RSCN queue. */
1095 ha->rscn_in_ptr = 0;
1096 ha->rscn_out_ptr = 0;
1097
1098 /* Initialize firmware. */
1099 ha->request_ring_ptr = ha->request_ring;
1100 ha->req_ring_index = 0;
1101 ha->req_q_cnt = ha->request_q_length;
1102 ha->response_ring_ptr = ha->response_ring;
1103 ha->rsp_ring_index = 0;
1104
1da177e4
LT		 1105 /* Initialize response queue entries */
1106 qla2x00_init_response_q_entries(ha);
1107
abbd8870 1108 ha->isp_ops.config_rings(ha);
1da177e4
LT		 1109
1110 spin_unlock_irqrestore(&ha->hardware_lock, flags);
1111
1112 /* Update any ISP specific firmware options before initialization. */
abbd8870 1113 ha->isp_ops.update_fw_options(ha);
1da177e4
LT		 1114
1115 DEBUG(printk("scsi(%ld): Issue init firmware.\n", ha->host_no));
0107109e 1116 rval = qla2x00_init_firmware(ha, ha->init_cb_size);
1da177e4
LT		 1117 if (rval) {
1118 DEBUG2_3(printk("scsi(%ld): Init firmware **** FAILED ****.\n",
1119 ha->host_no));
1120 } else {
1121 DEBUG3(printk("scsi(%ld): Init firmware -- success.\n",
1122 ha->host_no));
1123 }
1124
1125 return (rval);
1126}
1127
1128/**
1129 * qla2x00_fw_ready() - Waits for firmware ready.
1130 * @ha: HA context
1131 *
1132 * Returns 0 on success.
1133 */
1134static int
1135qla2x00_fw_ready(scsi_qla_host_t *ha)
1136{
1137 int rval;
1138 unsigned long wtime, mtime;
1139 uint16_t min_wait; /* Minimum wait time if loop is down */
1140 uint16_t wait_time; /* Wait time if loop is coming ready */
1141 uint16_t fw_state;
1142
1143 rval = QLA_SUCCESS;
1144
1145 /* 20 seconds for loop down. */
fa2a1ce5 1146 min_wait = 20;
1da177e4
LT		 1147
1148 /*
1149 * Firmware should take at most one RATOV to login, plus 5 seconds for
1150 * our own processing.
1151 */
1152 if ((wait_time = (ha->retry_count*ha->login_timeout) + 5) < min_wait) {
1153 wait_time = min_wait;
1154 }
1155
1156 /* Min wait time if loop down */
1157 mtime = jiffies + (min_wait * HZ);
1158
1159 /* wait time before firmware ready */
1160 wtime = jiffies + (wait_time * HZ);
1161
1162 /* Wait for ISP to finish LIP */
1163 if (!ha->flags.init_done)
1164 qla_printk(KERN_INFO, ha, "Waiting for LIP to complete...\n");
1165
1166 DEBUG3(printk("scsi(%ld): Waiting for LIP to complete...\n",
1167 ha->host_no));
1168
1169 do {
1170 rval = qla2x00_get_firmware_state(ha, &fw_state);
1171 if (rval == QLA_SUCCESS) {
1172 if (fw_state < FSTATE_LOSS_OF_SYNC) {
1173 ha->device_flags &= ~DFLG_NO_CABLE;
1174 }
1175 if (fw_state == FSTATE_READY) {
1176 DEBUG(printk("scsi(%ld): F/W Ready - OK \n",
1177 ha->host_no));
1178
1179 qla2x00_get_retry_cnt(ha, &ha->retry_count,
1180 &ha->login_timeout, &ha->r_a_tov);
1181
1182 rval = QLA_SUCCESS;
1183 break;
1184 }
1185
1186 rval = QLA_FUNCTION_FAILED;
1187
1188 if (atomic_read(&ha->loop_down_timer) &&
1189 (fw_state >= FSTATE_LOSS_OF_SYNC ||
1190 fw_state == FSTATE_WAIT_AL_PA)) {
1191 /* Loop down. Timeout on min_wait for states
fa2a1ce5
AV		 1192 * other than Wait for Login.
1193 */
1da177e4
LT		 1194 if (time_after_eq(jiffies, mtime)) {
1195 qla_printk(KERN_INFO, ha,
1196 "Cable is unplugged...\n");
1197
1198 ha->device_flags |= DFLG_NO_CABLE;
1199 break;
1200 }
1201 }
1202 } else {
1203 /* Mailbox cmd failed. Timeout on min_wait. */
1204 if (time_after_eq(jiffies, mtime))
1205 break;
1206 }
1207
1208 if (time_after_eq(jiffies, wtime))
1209 break;
1210
1211 /* Delay for a while */
1212 msleep(500);
1213
1214 DEBUG3(printk("scsi(%ld): fw_state=%x curr time=%lx.\n",
1215 ha->host_no, fw_state, jiffies));
1216 } while (1);
1217
1218 DEBUG(printk("scsi(%ld): fw_state=%x curr time=%lx.\n",
1219 ha->host_no, fw_state, jiffies));
1220
1221 if (rval) {
1222 DEBUG2_3(printk("scsi(%ld): Firmware ready **** FAILED ****.\n",
1223 ha->host_no));
1224 }
1225
1226 return (rval);
1227}
1228
1229/*
1230* qla2x00_configure_hba
1231* Setup adapter context.
1232*
1233* Input:
1234* ha = adapter state pointer.
1235*
1236* Returns:
1237* 0 = success
1238*
1239* Context:
1240* Kernel context.
1241*/
1242static int
1243qla2x00_configure_hba(scsi_qla_host_t *ha)
1244{
1245 int rval;
1246 uint16_t loop_id;
1247 uint16_t topo;
1248 uint8_t al_pa;
1249 uint8_t area;
1250 uint8_t domain;
1251 char connect_type[22];
1252
1253 /* Get host addresses. */
1254 rval = qla2x00_get_adapter_id(ha,
1255 &loop_id, &al_pa, &area, &domain, &topo);
1256 if (rval != QLA_SUCCESS) {
23443b1d 1257 if (LOOP_TRANSITION(ha) || atomic_read(&ha->loop_down_timer) ||
33135aa2
RA		 1258 (rval == QLA_COMMAND_ERROR && loop_id == 0x7)) {
1259 DEBUG2(printk("%s(%ld) Loop is in a transition state\n",
1260 __func__, ha->host_no));
1261 } else {
1262 qla_printk(KERN_WARNING, ha,
1263 "ERROR -- Unable to get host loop ID.\n");
1264 set_bit(ISP_ABORT_NEEDED, &ha->dpc_flags);
1265 }
1da177e4
LT		 1266 return (rval);
1267 }
1268
1269 if (topo == 4) {
1270 qla_printk(KERN_INFO, ha,
1271 "Cannot get topology - retrying.\n");
1272 return (QLA_FUNCTION_FAILED);
1273 }
1274
1275 ha->loop_id = loop_id;
1276
1277 /* initialize */
1278 ha->min_external_loopid = SNS_FIRST_LOOP_ID;
1279 ha->operating_mode = LOOP;
1280
1281 switch (topo) {
1282 case 0:
1283 DEBUG3(printk("scsi(%ld): HBA in NL topology.\n",
1284 ha->host_no));
1285 ha->current_topology = ISP_CFG_NL;
1286 strcpy(connect_type, "(Loop)");
1287 break;
1288
1289 case 1:
1290 DEBUG3(printk("scsi(%ld): HBA in FL topology.\n",
1291 ha->host_no));
1292 ha->current_topology = ISP_CFG_FL;
1293 strcpy(connect_type, "(FL_Port)");
1294 break;
1295
1296 case 2:
1297 DEBUG3(printk("scsi(%ld): HBA in N P2P topology.\n",
1298 ha->host_no));
1299 ha->operating_mode = P2P;
1300 ha->current_topology = ISP_CFG_N;
1301 strcpy(connect_type, "(N_Port-to-N_Port)");
1302 break;
1303
1304 case 3:
1305 DEBUG3(printk("scsi(%ld): HBA in F P2P topology.\n",
1306 ha->host_no));
1307 ha->operating_mode = P2P;
1308 ha->current_topology = ISP_CFG_F;
1309 strcpy(connect_type, "(F_Port)");
1310 break;
1311
1312 default:
1313 DEBUG3(printk("scsi(%ld): HBA in unknown topology %x. "
1314 "Using NL.\n",
1315 ha->host_no, topo));
1316 ha->current_topology = ISP_CFG_NL;
1317 strcpy(connect_type, "(Loop)");
1318 break;
1319 }
1320
1321 /* Save Host port and loop ID. */
1322 /* byte order - Big Endian */
1323 ha->d_id.b.domain = domain;
1324 ha->d_id.b.area = area;
1325 ha->d_id.b.al_pa = al_pa;
1326
1327 if (!ha->flags.init_done)
1328 qla_printk(KERN_INFO, ha,
1329 "Topology - %s, Host Loop address 0x%x\n",
1330 connect_type, ha->loop_id);
1331
1332 if (rval) {
1333 DEBUG2_3(printk("scsi(%ld): FAILED.\n", ha->host_no));
1334 } else {
1335 DEBUG3(printk("scsi(%ld): exiting normally.\n", ha->host_no));
1336 }
1337
1338 return(rval);
1339}
1340
1341/*
1342* NVRAM configuration for ISP 2xxx
1343*
1344* Input:
1345* ha = adapter block pointer.
1346*
1347* Output:
1348* initialization control block in response_ring
1349* host adapters parameters in host adapter block
1350*
1351* Returns:
1352* 0 = success.
1353*/
abbd8870 1354int
1da177e4
LT		 1355qla2x00_nvram_config(scsi_qla_host_t *ha)
1356{
0107109e
AV		 1357 int rval;
1358 uint8_t chksum = 0;
1359 uint16_t cnt;
1360 uint8_t *dptr1, *dptr2;
1361 init_cb_t *icb = ha->init_cb;
1362 nvram_t *nv = (nvram_t *)ha->request_ring;
1363 uint8_t *ptr = (uint8_t *)ha->request_ring;
3d71644c 1364 struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
1da177e4
LT		 1365
1366 rval = QLA_SUCCESS;
1367
1368 /* Determine NVRAM starting address. */
0107109e 1369 ha->nvram_size = sizeof(nvram_t);
1da177e4
LT		 1370 ha->nvram_base = 0;
1371 if (!IS_QLA2100(ha) && !IS_QLA2200(ha) && !IS_QLA2300(ha))
1372 if ((RD_REG_WORD(&reg->ctrl_status) >> 14) == 1)
1373 ha->nvram_base = 0x80;
1374
1375 /* Get NVRAM data and calculate checksum. */
0107109e
AV		 1376 ha->isp_ops.read_nvram(ha, ptr, ha->nvram_base, ha->nvram_size);
1377 for (cnt = 0, chksum = 0; cnt < ha->nvram_size; cnt++)
1378 chksum += *ptr++;
1da177e4
LT		 1379
1380 DEBUG5(printk("scsi(%ld): Contents of NVRAM\n", ha->host_no));
1381 DEBUG5(qla2x00_dump_buffer((uint8_t *)ha->request_ring,
0107109e 1382 ha->nvram_size));
1da177e4
LT		 1383
1384 /* Bad NVRAM data, set defaults parameters. */
1385 if (chksum || nv->id[0] != 'I' || nv->id[1] != 'S' ||
1386 nv->id[2] != 'P' || nv->id[3] != ' ' || nv->nvram_version < 1) {
1387 /* Reset NVRAM data. */
1388 qla_printk(KERN_WARNING, ha, "Inconsistent NVRAM detected: "
1389 "checksum=0x%x id=%c version=0x%x.\n", chksum, nv->id[0],
1390 nv->nvram_version);
1391 qla_printk(KERN_WARNING, ha, "Falling back to functioning (yet "
1392 "invalid -- WWPN) defaults.\n");
1393
1394 /*
1395 * Set default initialization control block.
1396 */
0107109e 1397 memset(nv, 0, ha->nvram_size);
1da177e4
LT		 1398 nv->parameter_block_version = ICB_VERSION;
1399
1400 if (IS_QLA23XX(ha)) {
1401 nv->firmware_options[0] = BIT_2 | BIT_1;
1402 nv->firmware_options[1] = BIT_7 | BIT_5;
1403 nv->add_firmware_options[0] = BIT_5;
1404 nv->add_firmware_options[1] = BIT_5 | BIT_4;
1405 nv->frame_payload_size = __constant_cpu_to_le16(2048);
1406 nv->special_options[1] = BIT_7;
1407 } else if (IS_QLA2200(ha)) {
1408 nv->firmware_options[0] = BIT_2 | BIT_1;
1409 nv->firmware_options[1] = BIT_7 | BIT_5;
1410 nv->add_firmware_options[0] = BIT_5;
1411 nv->add_firmware_options[1] = BIT_5 | BIT_4;
1412 nv->frame_payload_size = __constant_cpu_to_le16(1024);
1413 } else if (IS_QLA2100(ha)) {
1414 nv->firmware_options[0] = BIT_3 | BIT_1;
1415 nv->firmware_options[1] = BIT_5;
1416 nv->frame_payload_size = __constant_cpu_to_le16(1024);
1417 }
1418
1419 nv->max_iocb_allocation = __constant_cpu_to_le16(256);
1420 nv->execution_throttle = __constant_cpu_to_le16(16);
1421 nv->retry_count = 8;
1422 nv->retry_delay = 1;
1423
1424 nv->port_name[0] = 33;
1425 nv->port_name[3] = 224;
1426 nv->port_name[4] = 139;
1427
1428 nv->login_timeout = 4;
1429
1430 /*
1431 * Set default host adapter parameters
1432 */
1433 nv->host_p[1] = BIT_2;
1434 nv->reset_delay = 5;
1435 nv->port_down_retry_count = 8;
1436 nv->max_luns_per_target = __constant_cpu_to_le16(8);
1437 nv->link_down_timeout = 60;
1438
1439 rval = 1;
1440 }
1441
1442#if defined(CONFIG_IA64_GENERIC) || defined(CONFIG_IA64_SGI_SN2)
1443 /*
1444 * The SN2 does not provide BIOS emulation which means you can't change
1445 * potentially bogus BIOS settings. Force the use of default settings
1446 * for link rate and frame size. Hope that the rest of the settings
1447 * are valid.
1448 */
1449 if (ia64_platform_is("sn2")) {
1450 nv->frame_payload_size = __constant_cpu_to_le16(2048);
1451 if (IS_QLA23XX(ha))
1452 nv->special_options[1] = BIT_7;
1453 }
1454#endif
1455
1456 /* Reset Initialization control block */
0107109e 1457 memset(icb, 0, ha->init_cb_size);
1da177e4
LT		 1458
1459 /*
1460 * Setup driver NVRAM options.
1461 */
1462 nv->firmware_options[0] |= (BIT_6 | BIT_1);
1463 nv->firmware_options[0] &= ~(BIT_5 | BIT_4);
1464 nv->firmware_options[1] |= (BIT_5 | BIT_0);
1465 nv->firmware_options[1] &= ~BIT_4;
1466
1467 if (IS_QLA23XX(ha)) {
1468 nv->firmware_options[0] |= BIT_2;
1469 nv->firmware_options[0] &= ~BIT_3;
0107109e 1470 nv->add_firmware_options[1] |= BIT_5 | BIT_4;
1da177e4
LT		 1471
1472 if (IS_QLA2300(ha)) {
1473 if (ha->fb_rev == FPM_2310) {
1474 strcpy(ha->model_number, "QLA2310");
1475 } else {
1476 strcpy(ha->model_number, "QLA2300");
1477 }
1478 } else {
1479 if (rval == 0 &&
1480 memcmp(nv->model_number, BINZERO,
1481 sizeof(nv->model_number)) != 0) {
1482 char *st, *en;
1483
1484 strncpy(ha->model_number, nv->model_number,
1485 sizeof(nv->model_number));
1486 st = en = ha->model_number;
1487 en += sizeof(nv->model_number) - 1;
1488 while (en > st) {
1489 if (*en != 0x20 && *en != 0x00)
1490 break;
1491 *en-- = '\0';
1492 }
1493 } else {
1494 uint16_t index;
1495
1496 index = (ha->pdev->subsystem_device & 0xff);
1497 if (index < QLA_MODEL_NAMES) {
1498 strcpy(ha->model_number,
1328962e 1499 qla2x00_model_name[index * 2]);
1da177e4 1500 ha->model_desc =
1328962e 1501 qla2x00_model_name[index * 2 + 1];
1da177e4
LT		 1502 } else {
1503 strcpy(ha->model_number, "QLA23xx");
1504 }
1505 }
1506 }
1507 } else if (IS_QLA2200(ha)) {
1508 nv->firmware_options[0] |= BIT_2;
1509 /*
1510 * 'Point-to-point preferred, else loop' is not a safe
1511 * connection mode setting.
1512 */
1513 if ((nv->add_firmware_options[0] & (BIT_6 | BIT_5 | BIT_4)) ==
1514 (BIT_5 | BIT_4)) {
1515 /* Force 'loop preferred, else point-to-point'. */
1516 nv->add_firmware_options[0] &= ~(BIT_6 | BIT_5 | BIT_4);
1517 nv->add_firmware_options[0] |= BIT_5;
1518 }
1519 strcpy(ha->model_number, "QLA22xx");
1520 } else /*if (IS_QLA2100(ha))*/ {
1521 strcpy(ha->model_number, "QLA2100");
1522 }
1523
1524 /*
1525 * Copy over NVRAM RISC parameter block to initialization control block.
1526 */
1527 dptr1 = (uint8_t *)icb;
1528 dptr2 = (uint8_t *)&nv->parameter_block_version;
1529 cnt = (uint8_t *)&icb->request_q_outpointer - (uint8_t *)&icb->version;
1530 while (cnt--)
1531 *dptr1++ = *dptr2++;
1532
1533 /* Copy 2nd half. */
1534 dptr1 = (uint8_t *)icb->add_firmware_options;
1535 cnt = (uint8_t *)icb->reserved_3 - (uint8_t *)icb->add_firmware_options;
1536 while (cnt--)
1537 *dptr1++ = *dptr2++;
1538
5341e868
AV		 1539 /* Use alternate WWN? */
1540 if (nv->host_p[1] & BIT_7) {
1541 memcpy(icb->node_name, nv->alternate_node_name, WWN_SIZE);
1542 memcpy(icb->port_name, nv->alternate_port_name, WWN_SIZE);
1543 }
1544
1da177e4
LT		 1545 /* Prepare nodename */
1546 if ((icb->firmware_options[1] & BIT_6) == 0) {
1547 /*
1548 * Firmware will apply the following mask if the nodename was
1549 * not provided.
1550 */
1551 memcpy(icb->node_name, icb->port_name, WWN_SIZE);
1552 icb->node_name[0] &= 0xF0;
1553 }
1554
1555 /*
1556 * Set host adapter parameters.
1557 */
1da177e4
LT		 1558 ha->flags.disable_risc_code_load = ((nv->host_p[0] & BIT_4) ? 1 : 0);
1559 /* Always load RISC code on non ISP2[12]00 chips. */
1560 if (!IS_QLA2100(ha) && !IS_QLA2200(ha))
1561 ha->flags.disable_risc_code_load = 0;
1562 ha->flags.enable_lip_reset = ((nv->host_p[1] & BIT_1) ? 1 : 0);
1563 ha->flags.enable_lip_full_login = ((nv->host_p[1] & BIT_2) ? 1 : 0);
1564 ha->flags.enable_target_reset = ((nv->host_p[1] & BIT_3) ? 1 : 0);
06c22bd1 1565 ha->flags.enable_led_scheme = (nv->special_options[1] & BIT_4) ? 1 : 0;
1da177e4
LT		 1566
1567 ha->operating_mode =
1568 (icb->add_firmware_options[0] & (BIT_6 | BIT_5 | BIT_4)) >> 4;
1569
1570 memcpy(ha->fw_seriallink_options, nv->seriallink_options,
1571 sizeof(ha->fw_seriallink_options));
1572
1573 /* save HBA serial number */
1574 ha->serial0 = icb->port_name[5];
1575 ha->serial1 = icb->port_name[6];
1576 ha->serial2 = icb->port_name[7];
3d71644c
AV		 1577 ha->node_name = icb->node_name;
1578 ha->port_name = icb->port_name;
1da177e4
LT		 1579
1580 icb->execution_throttle = __constant_cpu_to_le16(0xFFFF);
1581
1582 ha->retry_count = nv->retry_count;
1583
1584 /* Set minimum login_timeout to 4 seconds. */
1585 if (nv->login_timeout < ql2xlogintimeout)
1586 nv->login_timeout = ql2xlogintimeout;
1587 if (nv->login_timeout < 4)
1588 nv->login_timeout = 4;
1589 ha->login_timeout = nv->login_timeout;
1590 icb->login_timeout = nv->login_timeout;
1591
1592 /* Set minimum RATOV to 200 tenths of a second. */
1593 ha->r_a_tov = 200;
1594
1da177e4
LT		 1595 ha->loop_reset_delay = nv->reset_delay;
1596
1da177e4
LT		 1597 /* Link Down Timeout = 0:
1598 *
1599 * When Port Down timer expires we will start returning
1600 * I/O's to OS with "DID_NO_CONNECT".
1601 *
1602 * Link Down Timeout != 0:
1603 *
1604 * The driver waits for the link to come up after link down
1605 * before returning I/Os to OS with "DID_NO_CONNECT".
fa2a1ce5 1606 */
1da177e4
LT		 1607 if (nv->link_down_timeout == 0) {
1608 ha->loop_down_abort_time =
354d6b21 1609 (LOOP_DOWN_TIME - LOOP_DOWN_TIMEOUT);
1da177e4
LT		 1610 } else {
1611 ha->link_down_timeout = nv->link_down_timeout;
1612 ha->loop_down_abort_time =
1613 (LOOP_DOWN_TIME - ha->link_down_timeout);
fa2a1ce5 1614 }
1da177e4 1615
1da177e4
LT		 1616 /*
1617 * Need enough time to try and get the port back.
1618 */
1619 ha->port_down_retry_count = nv->port_down_retry_count;
1620 if (qlport_down_retry)
1621 ha->port_down_retry_count = qlport_down_retry;
1622 /* Set login_retry_count */
1623 ha->login_retry_count = nv->retry_count;
1624 if (ha->port_down_retry_count == nv->port_down_retry_count &&
1625 ha->port_down_retry_count > 3)
1626 ha->login_retry_count = ha->port_down_retry_count;
1627 else if (ha->port_down_retry_count > (int)ha->login_retry_count)
1628 ha->login_retry_count = ha->port_down_retry_count;
1629 if (ql2xloginretrycount)
1630 ha->login_retry_count = ql2xloginretrycount;
1631
1da177e4
LT		 1632 icb->lun_enables = __constant_cpu_to_le16(0);
1633 icb->command_resource_count = 0;
1634 icb->immediate_notify_resource_count = 0;
1635 icb->timeout = __constant_cpu_to_le16(0);
1636
1637 if (IS_QLA2100(ha) || IS_QLA2200(ha)) {
1638 /* Enable RIO */
1639 icb->firmware_options[0] &= ~BIT_3;
1640 icb->add_firmware_options[0] &=
1641 ~(BIT_3 | BIT_2 | BIT_1 | BIT_0);
1642 icb->add_firmware_options[0] |= BIT_2;
1643 icb->response_accumulation_timer = 3;
1644 icb->interrupt_delay_timer = 5;
1645
1646 ha->flags.process_response_queue = 1;
1647 } else {
4fdfefe5
AV		 1648 /* Enable ZIO. */
1649 if (!ha->flags.init_done) {
1650 ha->zio_mode = icb->add_firmware_options[0] &
1651 (BIT_3 | BIT_2 | BIT_1 | BIT_0);
1652 ha->zio_timer = icb->interrupt_delay_timer ?
1653 icb->interrupt_delay_timer: 2;
1654 }
1da177e4
LT		 1655 icb->add_firmware_options[0] &=
1656 ~(BIT_3 | BIT_2 | BIT_1 | BIT_0);
4fdfefe5
AV		 1657 ha->flags.process_response_queue = 0;
1658 if (ha->zio_mode != QLA_ZIO_DISABLED) {
4a59f71d
AV		 1659 ha->zio_mode = QLA_ZIO_MODE_6;
1660
4fdfefe5
AV		 1661 DEBUG2(printk("scsi(%ld): ZIO mode %d enabled; timer "
1662 "delay (%d us).\n", ha->host_no, ha->zio_mode,
1663 ha->zio_timer * 100));
1da177e4 1664 qla_printk(KERN_INFO, ha,
4fdfefe5
AV		 1665 "ZIO mode %d enabled; timer delay (%d us).\n",
1666 ha->zio_mode, ha->zio_timer * 100);
1da177e4 1667
4fdfefe5
AV		 1668 icb->add_firmware_options[0] |= (uint8_t)ha->zio_mode;
1669 icb->interrupt_delay_timer = (uint8_t)ha->zio_timer;
1da177e4
LT		 1670 ha->flags.process_response_queue = 1;
1671 }
1672 }
1673
1674 if (rval) {
1675 DEBUG2_3(printk(KERN_WARNING
1676 "scsi(%ld): NVRAM configuration failed!\n", ha->host_no));
1677 }
1678 return (rval);
1679}
1680
19a7b4ae
JSEC		 1681static void
1682qla2x00_rport_del(void *data)
1683{
1684 fc_port_t *fcport = data;
d97994dc
AV		 1685 struct fc_rport *rport;
1686 unsigned long flags;
1687
1688 spin_lock_irqsave(&fcport->rport_lock, flags);
1689 rport = fcport->drport;
1690 fcport->drport = NULL;
1691 spin_unlock_irqrestore(&fcport->rport_lock, flags);
1692 if (rport)
1693 fc_remote_port_delete(rport);
19a7b4ae 1694
19a7b4ae
JSEC		 1695}
1696
1da177e4
LT		 1697/**
1698 * qla2x00_alloc_fcport() - Allocate a generic fcport.
1699 * @ha: HA context
1700 * @flags: allocation flags
1701 *
1702 * Returns a pointer to the allocated fcport, or NULL, if none available.
1703 */
1704fc_port_t *
c53033f6 1705qla2x00_alloc_fcport(scsi_qla_host_t *ha, gfp_t flags)
1da177e4
LT		 1706{
1707 fc_port_t *fcport;
1708
1709 fcport = kmalloc(sizeof(fc_port_t), flags);
1710 if (fcport == NULL)
1711 return (fcport);
1712
1713 /* Setup fcport template structure. */
1714 memset(fcport, 0, sizeof (fc_port_t));
1715 fcport->ha = ha;
1716 fcport->port_type = FCT_UNKNOWN;
1717 fcport->loop_id = FC_NO_LOOP_ID;
1da177e4
LT		 1718 atomic_set(&fcport->state, FCS_UNCONFIGURED);
1719 fcport->flags = FCF_RLC_SUPPORT;
ad3e0eda 1720 fcport->supported_classes = FC_COS_UNSPECIFIED;
d97994dc 1721 spin_lock_init(&fcport->rport_lock);
1da177e4
LT		 1722
1723 return (fcport);
1724}
1725
1726/*
1727 * qla2x00_configure_loop
1728 * Updates Fibre Channel Device Database with what is actually on loop.
1729 *
1730 * Input:
1731 * ha = adapter block pointer.
1732 *
1733 * Returns:
1734 * 0 = success.
1735 * 1 = error.
1736 * 2 = database was full and device was not configured.
1737 */
1738static int
fa2a1ce5 1739qla2x00_configure_loop(scsi_qla_host_t *ha)
1da177e4
LT		 1740{
1741 int rval;
1742 unsigned long flags, save_flags;
1743
1744 rval = QLA_SUCCESS;
1745
1746 /* Get Initiator ID */
1747 if (test_bit(LOCAL_LOOP_UPDATE, &ha->dpc_flags)) {
1748 rval = qla2x00_configure_hba(ha);
1749 if (rval != QLA_SUCCESS) {
1750 DEBUG(printk("scsi(%ld): Unable to configure HBA.\n",
1751 ha->host_no));
1752 return (rval);
1753 }
1754 }
1755
1756 save_flags = flags = ha->dpc_flags;
1757 DEBUG(printk("scsi(%ld): Configure loop -- dpc flags =0x%lx\n",
1758 ha->host_no, flags));
1759
1760 /*
1761 * If we have both an RSCN and PORT UPDATE pending then handle them
1762 * both at the same time.
1763 */
1764 clear_bit(LOCAL_LOOP_UPDATE, &ha->dpc_flags);
1765 clear_bit(RSCN_UPDATE, &ha->dpc_flags);
1da177e4
LT		 1766
1767 /* Determine what we need to do */
1768 if (ha->current_topology == ISP_CFG_FL &&
1769 (test_bit(LOCAL_LOOP_UPDATE, &flags))) {
1770
1771 ha->flags.rscn_queue_overflow = 1;
1772 set_bit(RSCN_UPDATE, &flags);
1773
1774 } else if (ha->current_topology == ISP_CFG_F &&
1775 (test_bit(LOCAL_LOOP_UPDATE, &flags))) {
1776
1777 ha->flags.rscn_queue_overflow = 1;
1778 set_bit(RSCN_UPDATE, &flags);
1779 clear_bit(LOCAL_LOOP_UPDATE, &flags);
21333b48
AV		 1780
1781 } else if (ha->current_topology == ISP_CFG_N) {
1782 clear_bit(RSCN_UPDATE, &flags);
1da177e4
LT		 1783
1784 } else if (!ha->flags.online ||
1785 (test_bit(ABORT_ISP_ACTIVE, &flags))) {
1786
1787 ha->flags.rscn_queue_overflow = 1;
1788 set_bit(RSCN_UPDATE, &flags);
1789 set_bit(LOCAL_LOOP_UPDATE, &flags);
1790 }
1791
1792 if (test_bit(LOCAL_LOOP_UPDATE, &flags)) {
1793 if (test_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags)) {
1794 rval = QLA_FUNCTION_FAILED;
1795 } else {
1796 rval = qla2x00_configure_local_loop(ha);
1797 }
1798 }
1799
1800 if (rval == QLA_SUCCESS && test_bit(RSCN_UPDATE, &flags)) {
23443b1d 1801 if (LOOP_TRANSITION(ha)) {
1da177e4
LT		 1802 rval = QLA_FUNCTION_FAILED;
1803 } else {
1804 rval = qla2x00_configure_fabric(ha);
1805 }
1806 }
1807
1808 if (rval == QLA_SUCCESS) {
1809 if (atomic_read(&ha->loop_down_timer) ||
1810 test_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags)) {
1811 rval = QLA_FUNCTION_FAILED;
1812 } else {
1da177e4
LT		 1813 atomic_set(&ha->loop_state, LOOP_READY);
1814
1815 DEBUG(printk("scsi(%ld): LOOP READY\n", ha->host_no));
1816 }
1817 }
1818
1819 if (rval) {
1820 DEBUG2_3(printk("%s(%ld): *** FAILED ***\n",
1821 __func__, ha->host_no));
1822 } else {
1823 DEBUG3(printk("%s: exiting normally\n", __func__));
1824 }
1825
1826 /* Restore state if a resync event occured during processing */
1827 if (test_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags)) {
1828 if (test_bit(LOCAL_LOOP_UPDATE, &save_flags))
1829 set_bit(LOCAL_LOOP_UPDATE, &ha->dpc_flags);
1830 if (test_bit(RSCN_UPDATE, &save_flags))
1831 set_bit(RSCN_UPDATE, &ha->dpc_flags);
1832 }
1833
1834 return (rval);
1835}
1836
1837
1838
1839/*
1840 * qla2x00_configure_local_loop
1841 * Updates Fibre Channel Device Database with local loop devices.
1842 *
1843 * Input:
1844 * ha = adapter block pointer.
1845 *
1846 * Returns:
1847 * 0 = success.
1848 */
1849static int
fa2a1ce5 1850qla2x00_configure_local_loop(scsi_qla_host_t *ha)
1da177e4
LT		 1851{
1852 int rval, rval2;
1853 int found_devs;
1854 int found;
1855 fc_port_t *fcport, *new_fcport;
1856
1857 uint16_t index;
1858 uint16_t entries;
1859 char *id_iter;
1860 uint16_t loop_id;
1861 uint8_t domain, area, al_pa;
1862
1863 found_devs = 0;
1864 new_fcport = NULL;
1865 entries = MAX_FIBRE_DEVICES;
1866
1867 DEBUG3(printk("scsi(%ld): Getting FCAL position map\n", ha->host_no));
1868 DEBUG3(qla2x00_get_fcal_position_map(ha, NULL));
1869
1870 /* Get list of logged in devices. */
1871 memset(ha->gid_list, 0, GID_LIST_SIZE);
1872 rval = qla2x00_get_id_list(ha, ha->gid_list, ha->gid_list_dma,
1873 &entries);
1874 if (rval != QLA_SUCCESS)
1875 goto cleanup_allocation;
1876
1877 DEBUG3(printk("scsi(%ld): Entries in ID list (%d)\n",
1878 ha->host_no, entries));
1879 DEBUG3(qla2x00_dump_buffer((uint8_t *)ha->gid_list,
1880 entries * sizeof(struct gid_list_info)));
1881
1882 /* Allocate temporary fcport for any new fcports discovered. */
1883 new_fcport = qla2x00_alloc_fcport(ha, GFP_KERNEL);
1884 if (new_fcport == NULL) {
1885 rval = QLA_MEMORY_ALLOC_FAILED;
1886 goto cleanup_allocation;
1887 }
1888 new_fcport->flags &= ~FCF_FABRIC_DEVICE;
1889
1890 /*
1891 * Mark local devices that were present with FCF_DEVICE_LOST for now.
1892 */
1893 list_for_each_entry(fcport, &ha->fcports, list) {
1894 if (atomic_read(&fcport->state) == FCS_ONLINE &&
1895 fcport->port_type != FCT_BROADCAST &&
1896 (fcport->flags & FCF_FABRIC_DEVICE) == 0) {
1897
1898 DEBUG(printk("scsi(%ld): Marking port lost, "
1899 "loop_id=0x%04x\n",
1900 ha->host_no, fcport->loop_id));
1901
1902 atomic_set(&fcport->state, FCS_DEVICE_LOST);
1903 fcport->flags &= ~FCF_FARP_DONE;
1904 }
1905 }
1906
1907 /* Add devices to port list. */
1908 id_iter = (char *)ha->gid_list;
1909 for (index = 0; index < entries; index++) {
1910 domain = ((struct gid_list_info *)id_iter)->domain;
1911 area = ((struct gid_list_info *)id_iter)->area;
1912 al_pa = ((struct gid_list_info *)id_iter)->al_pa;
abbd8870 1913 if (IS_QLA2100(ha) || IS_QLA2200(ha))
1da177e4
LT		 1914 loop_id = (uint16_t)
1915 ((struct gid_list_info *)id_iter)->loop_id_2100;
abbd8870 1916 else
1da177e4
LT		 1917 loop_id = le16_to_cpu(
1918 ((struct gid_list_info *)id_iter)->loop_id);
abbd8870 1919 id_iter += ha->gid_list_info_size;
1da177e4
LT		 1920
1921 /* Bypass reserved domain fields. */
1922 if ((domain & 0xf0) == 0xf0)
1923 continue;
1924
1925 /* Bypass if not same domain and area of adapter. */
f7d289f6
AV		 1926 if (area && domain &&
1927 (area != ha->d_id.b.area || domain != ha->d_id.b.domain))
1da177e4
LT		 1928 continue;
1929
1930 /* Bypass invalid local loop ID. */
1931 if (loop_id > LAST_LOCAL_LOOP_ID)
1932 continue;
1933
1934 /* Fill in member data. */
1935 new_fcport->d_id.b.domain = domain;
1936 new_fcport->d_id.b.area = area;
1937 new_fcport->d_id.b.al_pa = al_pa;
1938 new_fcport->loop_id = loop_id;
1939 rval2 = qla2x00_get_port_database(ha, new_fcport, 0);
1940 if (rval2 != QLA_SUCCESS) {
1941 DEBUG2(printk("scsi(%ld): Failed to retrieve fcport "
1942 "information -- get_port_database=%x, "
1943 "loop_id=0x%04x\n",
1944 ha->host_no, rval2, new_fcport->loop_id));
c9d02acf
AV		 1945 DEBUG2(printk("scsi(%ld): Scheduling resync...\n",
1946 ha->host_no));
1947 set_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags);
1da177e4
LT		 1948 continue;
1949 }
1950
1951 /* Check for matching device in port list. */
1952 found = 0;
1953 fcport = NULL;
1954 list_for_each_entry(fcport, &ha->fcports, list) {
1955 if (memcmp(new_fcport->port_name, fcport->port_name,
1956 WWN_SIZE))
1957 continue;
1958
1959 fcport->flags &= ~(FCF_FABRIC_DEVICE |
1960 FCF_PERSISTENT_BOUND);
1961 fcport->loop_id = new_fcport->loop_id;
1962 fcport->port_type = new_fcport->port_type;
1963 fcport->d_id.b24 = new_fcport->d_id.b24;
1964 memcpy(fcport->node_name, new_fcport->node_name,
1965 WWN_SIZE);
1966
1967 found++;
1968 break;
1969 }
1970
1971 if (!found) {
1972 /* New device, add to fcports list. */
1973 new_fcport->flags &= ~FCF_PERSISTENT_BOUND;
1974 list_add_tail(&new_fcport->list, &ha->fcports);
1975
1976 /* Allocate a new replacement fcport. */
1977 fcport = new_fcport;
1978 new_fcport = qla2x00_alloc_fcport(ha, GFP_KERNEL);
1979 if (new_fcport == NULL) {
1980 rval = QLA_MEMORY_ALLOC_FAILED;
1981 goto cleanup_allocation;
1982 }
1983 new_fcport->flags &= ~FCF_FABRIC_DEVICE;
1984 }
1985
1986 qla2x00_update_fcport(ha, fcport);
1987
1988 found_devs++;
1989 }
1990
1991cleanup_allocation:
c9475cb0 1992 kfree(new_fcport);
1da177e4
LT		 1993
1994 if (rval != QLA_SUCCESS) {
1995 DEBUG2(printk("scsi(%ld): Configure local loop error exit: "
1996 "rval=%x\n", ha->host_no, rval));
1997 }
1998
1999 if (found_devs) {
2000 ha->device_flags |= DFLG_LOCAL_DEVICES;
2001 ha->device_flags &= ~DFLG_RETRY_LOCAL_DEVICES;
2002 }
2003
2004 return (rval);
2005}
2006
2007static void
fa2a1ce5 2008qla2x00_probe_for_all_luns(scsi_qla_host_t *ha)
1da177e4
LT		 2009{
2010 fc_port_t *fcport;
2011
d97994dc 2012 qla2x00_mark_all_devices_lost(ha, 0);
1da177e4
LT		 2013 list_for_each_entry(fcport, &ha->fcports, list) {
2014 if (fcport->port_type != FCT_TARGET)
2015 continue;
2016
fa2a1ce5 2017 qla2x00_update_fcport(ha, fcport);
1da177e4
LT		 2018 }
2019}
2020
2021/*
2022 * qla2x00_update_fcport
2023 * Updates device on list.
2024 *
2025 * Input:
2026 * ha = adapter block pointer.
2027 * fcport = port structure pointer.
2028 *
2029 * Return:
2030 * 0 - Success
2031 * BIT_0 - error
2032 *
2033 * Context:
2034 * Kernel context.
2035 */
052c40c8 2036void
1da177e4
LT		 2037qla2x00_update_fcport(scsi_qla_host_t *ha, fc_port_t *fcport)
2038{
1da177e4
LT		 2039 fcport->ha = ha;
2040 fcport->login_retry = 0;
2041 fcport->port_login_retry_count = ha->port_down_retry_count *
2042 PORT_RETRY_TIME;
2043 atomic_set(&fcport->port_down_timer, ha->port_down_retry_count *
2044 PORT_RETRY_TIME);
2045 fcport->flags &= ~FCF_LOGIN_NEEDED;
2046
1da177e4 2047 atomic_set(&fcport->state, FCS_ONLINE);
bdf79621 2048
8482e118
AV		 2049 if (ha->flags.init_done)
2050 qla2x00_reg_remote_port(ha, fcport);
1da177e4
LT		 2051}
2052
8482e118
AV		 2053void
2054qla2x00_reg_remote_port(scsi_qla_host_t *ha, fc_port_t *fcport)
2055{
2056 struct fc_rport_identifiers rport_ids;
bdf79621 2057 struct fc_rport *rport;
d97994dc 2058 unsigned long flags;
8482e118 2059
d97994dc
AV		 2060 if (fcport->drport)
2061 qla2x00_rport_del(fcport);
2062 if (fcport->rport)
2063 return;
8482e118 2064
f8b02a85
AV		 2065 rport_ids.node_name = wwn_to_u64(fcport->node_name);
2066 rport_ids.port_name = wwn_to_u64(fcport->port_name);
8482e118
AV		 2067 rport_ids.port_id = fcport->d_id.b.domain << 16 |
2068 fcport->d_id.b.area << 8 | fcport->d_id.b.al_pa;
77d74143 2069 rport_ids.roles = FC_RPORT_ROLE_UNKNOWN;
d97994dc 2070 rport = fc_remote_port_add(ha->host, 0, &rport_ids);
77d74143
AV		 2071 if (!rport) {
2072 qla_printk(KERN_WARNING, ha,
2073 "Unable to allocate fc remote port!\n");
2074 return;
2075 }
d97994dc
AV		 2076 spin_lock_irqsave(&fcport->rport_lock, flags);
2077 fcport->rport = rport;
19a7b4ae 2078 *((fc_port_t **)rport->dd_data) = fcport;
d97994dc
AV		 2079 spin_unlock_irqrestore(&fcport->rport_lock, flags);
2080
ad3e0eda 2081 rport->supported_classes = fcport->supported_classes;
77d74143 2082
8482e118
AV		 2083 rport_ids.roles = FC_RPORT_ROLE_UNKNOWN;
2084 if (fcport->port_type == FCT_INITIATOR)
2085 rport_ids.roles |= FC_RPORT_ROLE_FCP_INITIATOR;
2086 if (fcport->port_type == FCT_TARGET)
2087 rport_ids.roles |= FC_RPORT_ROLE_FCP_TARGET;
77d74143 2088 fc_remote_port_rolechg(rport, rport_ids.roles);
1da177e4 2089
cc4731f5
AV		 2090 if (rport->scsi_target_id != -1 &&
2091 rport->scsi_target_id < ha->host->max_id)
bdf79621 2092 fcport->os_target_id = rport->scsi_target_id;
1da177e4
LT		 2093}
2094
1da177e4
LT		 2095/*
2096 * qla2x00_configure_fabric
2097 * Setup SNS devices with loop ID's.
2098 *
2099 * Input:
2100 * ha = adapter block pointer.
2101 *
2102 * Returns:
2103 * 0 = success.
2104 * BIT_0 = error
2105 */
2106static int
2107qla2x00_configure_fabric(scsi_qla_host_t *ha)
2108{
2109 int rval, rval2;
2110 fc_port_t *fcport, *fcptemp;
2111 uint16_t next_loopid;
2112 uint16_t mb[MAILBOX_REGISTER_COUNT];
0107109e 2113 uint16_t loop_id;
1da177e4
LT		 2114 LIST_HEAD(new_fcports);
2115
2116 /* If FL port exists, then SNS is present */
044cc6c8 2117 if (IS_QLA24XX(ha) || IS_QLA54XX(ha))
0107109e
AV		 2118 loop_id = NPH_F_PORT;
2119 else
2120 loop_id = SNS_FL_PORT;
2121 rval = qla2x00_get_port_name(ha, loop_id, NULL, 0);
1da177e4
LT		 2122 if (rval != QLA_SUCCESS) {
2123 DEBUG2(printk("scsi(%ld): MBC_GET_PORT_NAME Failed, No FL "
2124 "Port\n", ha->host_no));
2125
2126 ha->device_flags &= ~SWITCH_FOUND;
2127 return (QLA_SUCCESS);
2128 }
2129
2130 /* Mark devices that need re-synchronization. */
2131 rval2 = qla2x00_device_resync(ha);
2132 if (rval2 == QLA_RSCNS_HANDLED) {
2133 /* No point doing the scan, just continue. */
2134 return (QLA_SUCCESS);
2135 }
2136 do {
cca5335c
AV		 2137 /* FDMI support. */
2138 if (ql2xfdmienable &&
2139 test_and_clear_bit(REGISTER_FDMI_NEEDED, &ha->dpc_flags))
2140 qla2x00_fdmi_register(ha);
2141
1da177e4 2142 /* Ensure we are logged into the SNS. */
044cc6c8 2143 if (IS_QLA24XX(ha) || IS_QLA54XX(ha))
0107109e
AV		 2144 loop_id = NPH_SNS;
2145 else
2146 loop_id = SIMPLE_NAME_SERVER;
2147 ha->isp_ops.fabric_login(ha, loop_id, 0xff, 0xff,
abbd8870 2148 0xfc, mb, BIT_1 | BIT_0);
1da177e4
LT		 2149 if (mb[0] != MBS_COMMAND_COMPLETE) {
2150 DEBUG2(qla_printk(KERN_INFO, ha,
2151 "Failed SNS login: loop_id=%x mb[0]=%x mb[1]=%x "
0107109e 2152 "mb[2]=%x mb[6]=%x mb[7]=%x\n", loop_id,
1da177e4
LT		 2153 mb[0], mb[1], mb[2], mb[6], mb[7]));
2154 return (QLA_SUCCESS);
2155 }
2156
2157 if (test_and_clear_bit(REGISTER_FC4_NEEDED, &ha->dpc_flags)) {
2158 if (qla2x00_rft_id(ha)) {
2159 /* EMPTY */
2160 DEBUG2(printk("scsi(%ld): Register FC-4 "
2161 "TYPE failed.\n", ha->host_no));
2162 }
2163 if (qla2x00_rff_id(ha)) {
2164 /* EMPTY */
2165 DEBUG2(printk("scsi(%ld): Register FC-4 "
2166 "Features failed.\n", ha->host_no));
2167 }
2168 if (qla2x00_rnn_id(ha)) {
2169 /* EMPTY */
2170 DEBUG2(printk("scsi(%ld): Register Node Name "
2171 "failed.\n", ha->host_no));
2172 } else if (qla2x00_rsnn_nn(ha)) {
2173 /* EMPTY */
2174 DEBUG2(printk("scsi(%ld): Register Symbolic "
2175 "Node Name failed.\n", ha->host_no));
2176 }
2177 }
2178
2179 rval = qla2x00_find_all_fabric_devs(ha, &new_fcports);
2180 if (rval != QLA_SUCCESS)
2181 break;
2182
2183 /*
2184 * Logout all previous fabric devices marked lost, except
2185 * tape devices.
2186 */
2187 list_for_each_entry(fcport, &ha->fcports, list) {
2188 if (test_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags))
2189 break;
2190
2191 if ((fcport->flags & FCF_FABRIC_DEVICE) == 0)
2192 continue;
2193
2194 if (atomic_read(&fcport->state) == FCS_DEVICE_LOST) {
2195 qla2x00_mark_device_lost(ha, fcport,
d97994dc 2196 ql2xplogiabsentdevice, 0);
1da177e4
LT		 2197 if (fcport->loop_id != FC_NO_LOOP_ID &&
2198 (fcport->flags & FCF_TAPE_PRESENT) == 0 &&
2199 fcport->port_type != FCT_INITIATOR &&
2200 fcport->port_type != FCT_BROADCAST) {
abbd8870 2201 ha->isp_ops.fabric_logout(ha,
1c7c6357
AV		 2202 fcport->loop_id,
2203 fcport->d_id.b.domain,
2204 fcport->d_id.b.area,
2205 fcport->d_id.b.al_pa);
1da177e4
LT		 2206 fcport->loop_id = FC_NO_LOOP_ID;
2207 }
2208 }
2209 }
2210
2211 /* Starting free loop ID. */
2212 next_loopid = ha->min_external_loopid;
2213
2214 /*
2215 * Scan through our port list and login entries that need to be
2216 * logged in.
2217 */
2218 list_for_each_entry(fcport, &ha->fcports, list) {
2219 if (atomic_read(&ha->loop_down_timer) ||
2220 test_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags))
2221 break;
2222
2223 if ((fcport->flags & FCF_FABRIC_DEVICE) == 0 ||
2224 (fcport->flags & FCF_LOGIN_NEEDED) == 0)
2225 continue;
2226
2227 if (fcport->loop_id == FC_NO_LOOP_ID) {
2228 fcport->loop_id = next_loopid;
2229 rval = qla2x00_find_new_loop_id(ha, fcport);
2230 if (rval != QLA_SUCCESS) {
2231 /* Ran out of IDs to use */
2232 break;
2233 }
2234 }
1da177e4
LT		 2235 /* Login and update database */
2236 qla2x00_fabric_dev_login(ha, fcport, &next_loopid);
2237 }
2238
2239 /* Exit if out of loop IDs. */
2240 if (rval != QLA_SUCCESS) {
2241 break;
2242 }
2243
2244 /*
2245 * Login and add the new devices to our port list.
2246 */
2247 list_for_each_entry_safe(fcport, fcptemp, &new_fcports, list) {
2248 if (atomic_read(&ha->loop_down_timer) ||
2249 test_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags))
2250 break;
2251
2252 /* Find a new loop ID to use. */
2253 fcport->loop_id = next_loopid;
2254 rval = qla2x00_find_new_loop_id(ha, fcport);
2255 if (rval != QLA_SUCCESS) {
2256 /* Ran out of IDs to use */
2257 break;
2258 }
2259
1da177e4
LT		 2260 /* Remove device from the new list and add it to DB */
2261 list_del(&fcport->list);
2262 list_add_tail(&fcport->list, &ha->fcports);
bdf79621
AV		 2263
2264 /* Login and update database */
2265 qla2x00_fabric_dev_login(ha, fcport, &next_loopid);
1da177e4
LT		 2266 }
2267 } while (0);
2268
2269 /* Free all new device structures not processed. */
2270 list_for_each_entry_safe(fcport, fcptemp, &new_fcports, list) {
2271 list_del(&fcport->list);
2272 kfree(fcport);
2273 }
2274
2275 if (rval) {
2276 DEBUG2(printk("scsi(%ld): Configure fabric error exit: "
2277 "rval=%d\n", ha->host_no, rval));
2278 }
2279
2280 return (rval);
2281}
2282
2283
2284/*
2285 * qla2x00_find_all_fabric_devs
2286 *
2287 * Input:
2288 * ha = adapter block pointer.
2289 * dev = database device entry pointer.
2290 *
2291 * Returns:
2292 * 0 = success.
2293 *
2294 * Context:
2295 * Kernel context.
2296 */
2297static int
2298qla2x00_find_all_fabric_devs(scsi_qla_host_t *ha, struct list_head *new_fcports)
2299{
2300 int rval;
2301 uint16_t loop_id;
2302 fc_port_t *fcport, *new_fcport, *fcptemp;
2303 int found;
2304
2305 sw_info_t *swl;
2306 int swl_idx;
2307 int first_dev, last_dev;
2308 port_id_t wrap, nxt_d_id;
2309
2310 rval = QLA_SUCCESS;
2311
2312 /* Try GID_PT to get device list, else GAN. */
2313 swl = kmalloc(sizeof(sw_info_t) * MAX_FIBRE_DEVICES, GFP_ATOMIC);
2314 if (swl == NULL) {
2315 /*EMPTY*/
2316 DEBUG2(printk("scsi(%ld): GID_PT allocations failed, fallback "
2317 "on GA_NXT\n", ha->host_no));
2318 } else {
2319 memset(swl, 0, sizeof(sw_info_t) * MAX_FIBRE_DEVICES);
2320 if (qla2x00_gid_pt(ha, swl) != QLA_SUCCESS) {
2321 kfree(swl);
2322 swl = NULL;
2323 } else if (qla2x00_gpn_id(ha, swl) != QLA_SUCCESS) {
2324 kfree(swl);
2325 swl = NULL;
2326 } else if (qla2x00_gnn_id(ha, swl) != QLA_SUCCESS) {
2327 kfree(swl);
2328 swl = NULL;
2329 }
2330 }
2331 swl_idx = 0;
2332
2333 /* Allocate temporary fcport for any new fcports discovered. */
2334 new_fcport = qla2x00_alloc_fcport(ha, GFP_KERNEL);
2335 if (new_fcport == NULL) {
c9475cb0 2336 kfree(swl);
1da177e4
LT		 2337 return (QLA_MEMORY_ALLOC_FAILED);
2338 }
2339 new_fcport->flags |= (FCF_FABRIC_DEVICE | FCF_LOGIN_NEEDED);
2340
2341 /* Set start port ID scan at adapter ID. */
2342 first_dev = 1;
2343 last_dev = 0;
2344
2345 /* Starting free loop ID. */
2346 loop_id = ha->min_external_loopid;
1da177e4 2347 for (; loop_id <= ha->last_loop_id; loop_id++) {
3d71644c 2348 if (qla2x00_is_reserved_id(ha, loop_id))
1da177e4
LT		 2349 continue;
2350
23443b1d 2351 if (atomic_read(&ha->loop_down_timer) || LOOP_TRANSITION(ha))
1da177e4
LT		 2352 break;
2353
2354 if (swl != NULL) {
2355 if (last_dev) {
2356 wrap.b24 = new_fcport->d_id.b24;
2357 } else {
2358 new_fcport->d_id.b24 = swl[swl_idx].d_id.b24;
2359 memcpy(new_fcport->node_name,
2360 swl[swl_idx].node_name, WWN_SIZE);
2361 memcpy(new_fcport->port_name,
2362 swl[swl_idx].port_name, WWN_SIZE);
2363
2364 if (swl[swl_idx].d_id.b.rsvd_1 != 0) {
2365 last_dev = 1;
2366 }
2367 swl_idx++;
2368 }
2369 } else {
2370 /* Send GA_NXT to the switch */
2371 rval = qla2x00_ga_nxt(ha, new_fcport);
2372 if (rval != QLA_SUCCESS) {
2373 qla_printk(KERN_WARNING, ha,
2374 "SNS scan failed -- assuming zero-entry "
2375 "result...\n");
2376 list_for_each_entry_safe(fcport, fcptemp,
2377 new_fcports, list) {
2378 list_del(&fcport->list);
2379 kfree(fcport);
2380 }
2381 rval = QLA_SUCCESS;
2382 break;
2383 }
2384 }
2385
2386 /* If wrap on switch device list, exit. */
2387 if (first_dev) {
2388 wrap.b24 = new_fcport->d_id.b24;
2389 first_dev = 0;
2390 } else if (new_fcport->d_id.b24 == wrap.b24) {
2391 DEBUG2(printk("scsi(%ld): device wrap (%02x%02x%02x)\n",
2392 ha->host_no, new_fcport->d_id.b.domain,
2393 new_fcport->d_id.b.area, new_fcport->d_id.b.al_pa));
2394 break;
2395 }
2396
2397 /* Bypass if host adapter. */
2398 if (new_fcport->d_id.b24 == ha->d_id.b24)
2399 continue;
2400
f7d289f6
AV		 2401 /* Bypass if same domain and area of adapter. */
2402 if (((new_fcport->d_id.b24 & 0xffff00) ==
2403 (ha->d_id.b24 & 0xffff00)) && ha->current_topology ==
2404 ISP_CFG_FL)
2405 continue;
2406
1da177e4
LT		 2407 /* Bypass reserved domain fields. */
2408 if ((new_fcport->d_id.b.domain & 0xf0) == 0xf0)
2409 continue;
2410
2411 /* Locate matching device in database. */
2412 found = 0;
2413 list_for_each_entry(fcport, &ha->fcports, list) {
2414 if (memcmp(new_fcport->port_name, fcport->port_name,
2415 WWN_SIZE))
2416 continue;
2417
2418 found++;
2419
2420 /*
2421 * If address the same and state FCS_ONLINE, nothing
2422 * changed.
2423 */
2424 if (fcport->d_id.b24 == new_fcport->d_id.b24 &&
2425 atomic_read(&fcport->state) == FCS_ONLINE) {
2426 break;
2427 }
2428
2429 /*
2430 * If device was not a fabric device before.
2431 */
2432 if ((fcport->flags & FCF_FABRIC_DEVICE) == 0) {
2433 fcport->d_id.b24 = new_fcport->d_id.b24;
2434 fcport->loop_id = FC_NO_LOOP_ID;
2435 fcport->flags |= (FCF_FABRIC_DEVICE |
2436 FCF_LOGIN_NEEDED);
2437 fcport->flags &= ~FCF_PERSISTENT_BOUND;
2438 break;
2439 }
2440
2441 /*
2442 * Port ID changed or device was marked to be updated;
2443 * Log it out if still logged in and mark it for
2444 * relogin later.
2445 */
2446 fcport->d_id.b24 = new_fcport->d_id.b24;
2447 fcport->flags |= FCF_LOGIN_NEEDED;
2448 if (fcport->loop_id != FC_NO_LOOP_ID &&
2449 (fcport->flags & FCF_TAPE_PRESENT) == 0 &&
2450 fcport->port_type != FCT_INITIATOR &&
2451 fcport->port_type != FCT_BROADCAST) {
1c7c6357
AV		 2452 ha->isp_ops.fabric_logout(ha, fcport->loop_id,
2453 fcport->d_id.b.domain, fcport->d_id.b.area,
2454 fcport->d_id.b.al_pa);
1da177e4
LT		 2455 fcport->loop_id = FC_NO_LOOP_ID;
2456 }
2457
2458 break;
2459 }
2460
2461 if (found)
2462 continue;
2463
2464 /* If device was not in our fcports list, then add it. */
2465 list_add_tail(&new_fcport->list, new_fcports);
2466
2467 /* Allocate a new replacement fcport. */
2468 nxt_d_id.b24 = new_fcport->d_id.b24;
2469 new_fcport = qla2x00_alloc_fcport(ha, GFP_KERNEL);
2470 if (new_fcport == NULL) {
c9475cb0 2471 kfree(swl);
1da177e4
LT		 2472 return (QLA_MEMORY_ALLOC_FAILED);
2473 }
2474 new_fcport->flags |= (FCF_FABRIC_DEVICE | FCF_LOGIN_NEEDED);
2475 new_fcport->d_id.b24 = nxt_d_id.b24;
2476 }
2477
c9475cb0
JJ		 2478 kfree(swl);
2479 kfree(new_fcport);
1da177e4
LT		 2480
2481 if (!list_empty(new_fcports))
2482 ha->device_flags |= DFLG_FABRIC_DEVICES;
2483
2484 return (rval);
2485}
2486
2487/*
2488 * qla2x00_find_new_loop_id
2489 * Scan through our port list and find a new usable loop ID.
2490 *
2491 * Input:
2492 * ha: adapter state pointer.
2493 * dev: port structure pointer.
2494 *
2495 * Returns:
2496 * qla2x00 local function return status code.
2497 *
2498 * Context:
2499 * Kernel context.
2500 */
2501int
2502qla2x00_find_new_loop_id(scsi_qla_host_t *ha, fc_port_t *dev)
2503{
2504 int rval;
2505 int found;
2506 fc_port_t *fcport;
2507 uint16_t first_loop_id;
2508
2509 rval = QLA_SUCCESS;
2510
2511 /* Save starting loop ID. */
2512 first_loop_id = dev->loop_id;
2513
2514 for (;;) {
2515 /* Skip loop ID if already used by adapter. */
2516 if (dev->loop_id == ha->loop_id) {
2517 dev->loop_id++;
2518 }
2519
2520 /* Skip reserved loop IDs. */
3d71644c 2521 while (qla2x00_is_reserved_id(ha, dev->loop_id)) {
1da177e4
LT		 2522 dev->loop_id++;
2523 }
2524
2525 /* Reset loop ID if passed the end. */
2526 if (dev->loop_id > ha->last_loop_id) {
2527 /* first loop ID. */
2528 dev->loop_id = ha->min_external_loopid;
2529 }
2530
2531 /* Check for loop ID being already in use. */
2532 found = 0;
2533 fcport = NULL;
2534 list_for_each_entry(fcport, &ha->fcports, list) {
2535 if (fcport->loop_id == dev->loop_id && fcport != dev) {
2536 /* ID possibly in use */
2537 found++;
2538 break;
2539 }
2540 }
2541
2542 /* If not in use then it is free to use. */
2543 if (!found) {
2544 break;
2545 }
2546
2547 /* ID in use. Try next value. */
2548 dev->loop_id++;
2549
2550 /* If wrap around. No free ID to use. */
2551 if (dev->loop_id == first_loop_id) {
2552 dev->loop_id = FC_NO_LOOP_ID;
2553 rval = QLA_FUNCTION_FAILED;
2554 break;
2555 }
2556 }
2557
2558 return (rval);
2559}
2560
2561/*
2562 * qla2x00_device_resync
2563 * Marks devices in the database that needs resynchronization.
2564 *
2565 * Input:
2566 * ha = adapter block pointer.
2567 *
2568 * Context:
2569 * Kernel context.
2570 */
2571static int
fa2a1ce5 2572qla2x00_device_resync(scsi_qla_host_t *ha)
1da177e4
LT		 2573{
2574 int rval;
1da177e4
LT		 2575 uint32_t mask;
2576 fc_port_t *fcport;
2577 uint32_t rscn_entry;
2578 uint8_t rscn_out_iter;
2579 uint8_t format;
2580 port_id_t d_id;
2581
2582 rval = QLA_RSCNS_HANDLED;
2583
2584 while (ha->rscn_out_ptr != ha->rscn_in_ptr ||
2585 ha->flags.rscn_queue_overflow) {
2586
2587 rscn_entry = ha->rscn_queue[ha->rscn_out_ptr];
2588 format = MSB(MSW(rscn_entry));
2589 d_id.b.domain = LSB(MSW(rscn_entry));
2590 d_id.b.area = MSB(LSW(rscn_entry));
2591 d_id.b.al_pa = LSB(LSW(rscn_entry));
2592
2593 DEBUG(printk("scsi(%ld): RSCN queue entry[%d] = "
2594 "[%02x/%02x%02x%02x].\n",
2595 ha->host_no, ha->rscn_out_ptr, format, d_id.b.domain,
2596 d_id.b.area, d_id.b.al_pa));
2597
2598 ha->rscn_out_ptr++;
2599 if (ha->rscn_out_ptr == MAX_RSCN_COUNT)
2600 ha->rscn_out_ptr = 0;
2601
2602 /* Skip duplicate entries. */
2603 for (rscn_out_iter = ha->rscn_out_ptr;
2604 !ha->flags.rscn_queue_overflow &&
2605 rscn_out_iter != ha->rscn_in_ptr;
2606 rscn_out_iter = (rscn_out_iter ==
2607 (MAX_RSCN_COUNT - 1)) ? 0: rscn_out_iter + 1) {
2608
2609 if (rscn_entry != ha->rscn_queue[rscn_out_iter])
2610 break;
2611
2612 DEBUG(printk("scsi(%ld): Skipping duplicate RSCN queue "
2613 "entry found at [%d].\n", ha->host_no,
2614 rscn_out_iter));
2615
2616 ha->rscn_out_ptr = rscn_out_iter;
2617 }
2618
2619 /* Queue overflow, set switch default case. */
2620 if (ha->flags.rscn_queue_overflow) {
2621 DEBUG(printk("scsi(%ld): device_resync: rscn "
2622 "overflow.\n", ha->host_no));
2623
2624 format = 3;
2625 ha->flags.rscn_queue_overflow = 0;
2626 }
2627
2628 switch (format) {
2629 case 0:
1da177e4
LT		 2630 mask = 0xffffff;
2631 break;
2632 case 1:
2633 mask = 0xffff00;
2634 break;
2635 case 2:
2636 mask = 0xff0000;
2637 break;
2638 default:
2639 mask = 0x0;
2640 d_id.b24 = 0;
2641 ha->rscn_out_ptr = ha->rscn_in_ptr;
2642 break;
2643 }
2644
2645 rval = QLA_SUCCESS;
2646
1da177e4
LT		 2647 list_for_each_entry(fcport, &ha->fcports, list) {
2648 if ((fcport->flags & FCF_FABRIC_DEVICE) == 0 ||
2649 (fcport->d_id.b24 & mask) != d_id.b24 ||
2650 fcport->port_type == FCT_BROADCAST)
2651 continue;
2652
2653 if (atomic_read(&fcport->state) == FCS_ONLINE) {
2654 if (format != 3 ||
2655 fcport->port_type != FCT_INITIATOR) {
d97994dc
AV		 2656 qla2x00_mark_device_lost(ha, fcport,
2657 0, 0);
1da177e4
LT		 2658 }
2659 }
2660 fcport->flags &= ~FCF_FARP_DONE;
2661 }
2662 }
2663 return (rval);
2664}
2665
2666/*
2667 * qla2x00_fabric_dev_login
2668 * Login fabric target device and update FC port database.
2669 *
2670 * Input:
2671 * ha: adapter state pointer.
2672 * fcport: port structure list pointer.
2673 * next_loopid: contains value of a new loop ID that can be used
2674 * by the next login attempt.
2675 *
2676 * Returns:
2677 * qla2x00 local function return status code.
2678 *
2679 * Context:
2680 * Kernel context.
2681 */
2682static int
2683qla2x00_fabric_dev_login(scsi_qla_host_t *ha, fc_port_t *fcport,
2684 uint16_t *next_loopid)
2685{
2686 int rval;
2687 int retry;
0107109e 2688 uint8_t opts;
1da177e4
LT		 2689
2690 rval = QLA_SUCCESS;
2691 retry = 0;
2692
2693 rval = qla2x00_fabric_login(ha, fcport, next_loopid);
2694 if (rval == QLA_SUCCESS) {
0107109e
AV		 2695 /* Send an ADISC to tape devices.*/
2696 opts = 0;
2697 if (fcport->flags & FCF_TAPE_PRESENT)
2698 opts |= BIT_1;
2699 rval = qla2x00_get_port_database(ha, fcport, opts);
1da177e4 2700 if (rval != QLA_SUCCESS) {
1c7c6357
AV		 2701 ha->isp_ops.fabric_logout(ha, fcport->loop_id,
2702 fcport->d_id.b.domain, fcport->d_id.b.area,
2703 fcport->d_id.b.al_pa);
d97994dc 2704 qla2x00_mark_device_lost(ha, fcport, 1, 0);
1da177e4
LT		 2705 } else {
2706 qla2x00_update_fcport(ha, fcport);
2707 }
2708 }
2709
2710 return (rval);
2711}
2712
2713/*
2714 * qla2x00_fabric_login
2715 * Issue fabric login command.
2716 *
2717 * Input:
2718 * ha = adapter block pointer.
2719 * device = pointer to FC device type structure.
2720 *
2721 * Returns:
2722 * 0 - Login successfully
2723 * 1 - Login failed
2724 * 2 - Initiator device
2725 * 3 - Fatal error
2726 */
2727int
2728qla2x00_fabric_login(scsi_qla_host_t *ha, fc_port_t *fcport,
2729 uint16_t *next_loopid)
2730{
2731 int rval;
2732 int retry;
2733 uint16_t tmp_loopid;
2734 uint16_t mb[MAILBOX_REGISTER_COUNT];
2735
2736 retry = 0;
2737 tmp_loopid = 0;
2738
2739 for (;;) {
2740 DEBUG(printk("scsi(%ld): Trying Fabric Login w/loop id 0x%04x "
2741 "for port %02x%02x%02x.\n",
2742 ha->host_no, fcport->loop_id, fcport->d_id.b.domain,
2743 fcport->d_id.b.area, fcport->d_id.b.al_pa));
2744
2745 /* Login fcport on switch. */
abbd8870 2746 ha->isp_ops.fabric_login(ha, fcport->loop_id,
1da177e4
LT		 2747 fcport->d_id.b.domain, fcport->d_id.b.area,
2748 fcport->d_id.b.al_pa, mb, BIT_0);
2749 if (mb[0] == MBS_PORT_ID_USED) {
2750 /*
2751 * Device has another loop ID. The firmware team
0107109e
AV		 2752 * recommends the driver perform an implicit login with
2753 * the specified ID again. The ID we just used is save
2754 * here so we return with an ID that can be tried by
2755 * the next login.
1da177e4
LT		 2756 */
2757 retry++;
2758 tmp_loopid = fcport->loop_id;
2759 fcport->loop_id = mb[1];
2760
2761 DEBUG(printk("Fabric Login: port in use - next "
2762 "loop id=0x%04x, port Id=%02x%02x%02x.\n",
2763 fcport->loop_id, fcport->d_id.b.domain,
2764 fcport->d_id.b.area, fcport->d_id.b.al_pa));
2765
2766 } else if (mb[0] == MBS_COMMAND_COMPLETE) {
2767 /*
2768 * Login succeeded.
2769 */
2770 if (retry) {
2771 /* A retry occurred before. */
2772 *next_loopid = tmp_loopid;
2773 } else {
2774 /*
2775 * No retry occurred before. Just increment the
2776 * ID value for next login.
2777 */
2778 *next_loopid = (fcport->loop_id + 1);
2779 }
2780
2781 if (mb[1] & BIT_0) {
2782 fcport->port_type = FCT_INITIATOR;
2783 } else {
2784 fcport->port_type = FCT_TARGET;
2785 if (mb[1] & BIT_1) {
2786 fcport->flags |= FCF_TAPE_PRESENT;
2787 }
2788 }
2789
ad3e0eda
AV		 2790 if (mb[10] & BIT_0)
2791 fcport->supported_classes |= FC_COS_CLASS2;
2792 if (mb[10] & BIT_1)
2793 fcport->supported_classes |= FC_COS_CLASS3;
2794
1da177e4
LT		 2795 rval = QLA_SUCCESS;
2796 break;
2797 } else if (mb[0] == MBS_LOOP_ID_USED) {
2798 /*
2799 * Loop ID already used, try next loop ID.
2800 */
2801 fcport->loop_id++;
2802 rval = qla2x00_find_new_loop_id(ha, fcport);
2803 if (rval != QLA_SUCCESS) {
2804 /* Ran out of loop IDs to use */
2805 break;
2806 }
2807 } else if (mb[0] == MBS_COMMAND_ERROR) {
2808 /*
2809 * Firmware possibly timed out during login. If NO
2810 * retries are left to do then the device is declared
2811 * dead.
2812 */
2813 *next_loopid = fcport->loop_id;
1c7c6357
AV		 2814 ha->isp_ops.fabric_logout(ha, fcport->loop_id,
2815 fcport->d_id.b.domain, fcport->d_id.b.area,
2816 fcport->d_id.b.al_pa);
d97994dc 2817 qla2x00_mark_device_lost(ha, fcport, 1, 0);
1da177e4
LT		 2818
2819 rval = 1;
2820 break;
2821 } else {
2822 /*
2823 * unrecoverable / not handled error
2824 */
2825 DEBUG2(printk("%s(%ld): failed=%x port_id=%02x%02x%02x "
fa2a1ce5
AV		 2826 "loop_id=%x jiffies=%lx.\n",
2827 __func__, ha->host_no, mb[0],
1da177e4
LT		 2828 fcport->d_id.b.domain, fcport->d_id.b.area,
2829 fcport->d_id.b.al_pa, fcport->loop_id, jiffies));
2830
2831 *next_loopid = fcport->loop_id;
1c7c6357
AV		 2832 ha->isp_ops.fabric_logout(ha, fcport->loop_id,
2833 fcport->d_id.b.domain, fcport->d_id.b.area,
2834 fcport->d_id.b.al_pa);
1da177e4 2835 fcport->loop_id = FC_NO_LOOP_ID;
0eedfcf0 2836 fcport->login_retry = 0;
1da177e4
LT		 2837
2838 rval = 3;
2839 break;
2840 }
2841 }
2842
2843 return (rval);
2844}
2845
2846/*
2847 * qla2x00_local_device_login
2848 * Issue local device login command.
2849 *
2850 * Input:
2851 * ha = adapter block pointer.
2852 * loop_id = loop id of device to login to.
2853 *
2854 * Returns (Where's the #define!!!!):
2855 * 0 - Login successfully
2856 * 1 - Login failed
2857 * 3 - Fatal error
2858 */
2859int
9a52a57c 2860qla2x00_local_device_login(scsi_qla_host_t *ha, fc_port_t *fcport)
1da177e4
LT		 2861{
2862 int rval;
2863 uint16_t mb[MAILBOX_REGISTER_COUNT];
2864
2865 memset(mb, 0, sizeof(mb));
9a52a57c 2866 rval = qla2x00_login_local_device(ha, fcport, mb, BIT_0);
1da177e4
LT		 2867 if (rval == QLA_SUCCESS) {
2868 /* Interrogate mailbox registers for any errors */
2869 if (mb[0] == MBS_COMMAND_ERROR)
2870 rval = 1;
2871 else if (mb[0] == MBS_COMMAND_PARAMETER_ERROR)
2872 /* device not in PCB table */
2873 rval = 3;
2874 }
2875
2876 return (rval);
2877}
2878
2879/*
2880 * qla2x00_loop_resync
2881 * Resync with fibre channel devices.
2882 *
2883 * Input:
2884 * ha = adapter block pointer.
2885 *
2886 * Returns:
2887 * 0 = success
2888 */
2889int
fa2a1ce5 2890qla2x00_loop_resync(scsi_qla_host_t *ha)
1da177e4
LT		 2891{
2892 int rval;
2893 uint32_t wait_time;
2894
2895 rval = QLA_SUCCESS;
2896
2897 atomic_set(&ha->loop_state, LOOP_UPDATE);
1da177e4
LT		 2898 clear_bit(ISP_ABORT_RETRY, &ha->dpc_flags);
2899 if (ha->flags.online) {
2900 if (!(rval = qla2x00_fw_ready(ha))) {
2901 /* Wait at most MAX_TARGET RSCNs for a stable link. */
2902 wait_time = 256;
2903 do {
1da177e4
LT		 2904 atomic_set(&ha->loop_state, LOOP_UPDATE);
2905
0107109e
AV		 2906 /* Issue a marker after FW becomes ready. */
2907 qla2x00_marker(ha, 0, 0, MK_SYNC_ALL);
2908 ha->marker_needed = 0;
1da177e4
LT		 2909
2910 /* Remap devices on Loop. */
2911 clear_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags);
2912
2913 qla2x00_configure_loop(ha);
2914 wait_time--;
2915 } while (!atomic_read(&ha->loop_down_timer) &&
2916 !(test_bit(ISP_ABORT_NEEDED, &ha->dpc_flags)) &&
2917 wait_time &&
2918 (test_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags)));
2919 }
1da177e4
LT		 2920 }
2921
2922 if (test_bit(ISP_ABORT_NEEDED, &ha->dpc_flags)) {
2923 return (QLA_FUNCTION_FAILED);
2924 }
2925
2926 if (rval) {
2927 DEBUG2_3(printk("%s(): **** FAILED ****\n", __func__));
2928 }
2929
2930 return (rval);
2931}
2932
1da177e4
LT		 2933void
2934qla2x00_rescan_fcports(scsi_qla_host_t *ha)
2935{
2936 int rescan_done;
2937 fc_port_t *fcport;
2938
2939 rescan_done = 0;
2940 list_for_each_entry(fcport, &ha->fcports, list) {
2941 if ((fcport->flags & FCF_RESCAN_NEEDED) == 0)
2942 continue;
2943
2944 qla2x00_update_fcport(ha, fcport);
2945 fcport->flags &= ~FCF_RESCAN_NEEDED;
2946
2947 rescan_done = 1;
2948 }
fa2a1ce5 2949 qla2x00_probe_for_all_luns(ha);
1da177e4
LT		 2950}
2951
d97994dc
AV		 2952void
2953qla2x00_update_fcports(scsi_qla_host_t *ha)
2954{
2955 fc_port_t *fcport;
2956
2957 /* Go with deferred removal of rport references. */
2958 list_for_each_entry(fcport, &ha->fcports, list)
2959 if (fcport->drport)
2960 qla2x00_rport_del(fcport);
2961}
2962
1da177e4
LT		 2963/*
2964* qla2x00_abort_isp
2965* Resets ISP and aborts all outstanding commands.
2966*
2967* Input:
2968* ha = adapter block pointer.
2969*
2970* Returns:
2971* 0 = success
2972*/
2973int
2974qla2x00_abort_isp(scsi_qla_host_t *ha)
2975{
2976 unsigned long flags = 0;
2977 uint16_t cnt;
2978 srb_t *sp;
2979 uint8_t status = 0;
2980
2981 if (ha->flags.online) {
2982 ha->flags.online = 0;
2983 clear_bit(ISP_ABORT_NEEDED, &ha->dpc_flags);
1da177e4
LT		 2984
2985 qla_printk(KERN_INFO, ha,
2986 "Performing ISP error recovery - ha= %p.\n", ha);
abbd8870 2987 ha->isp_ops.reset_chip(ha);
1da177e4
LT		 2988
2989 atomic_set(&ha->loop_down_timer, LOOP_DOWN_TIME);
2990 if (atomic_read(&ha->loop_state) != LOOP_DOWN) {
2991 atomic_set(&ha->loop_state, LOOP_DOWN);
d97994dc 2992 qla2x00_mark_all_devices_lost(ha, 0);
1da177e4
LT		 2993 } else {
2994 if (!atomic_read(&ha->loop_down_timer))
2995 atomic_set(&ha->loop_down_timer,
2996 LOOP_DOWN_TIME);
2997 }
2998
2999 spin_lock_irqsave(&ha->hardware_lock, flags);
3000 /* Requeue all commands in outstanding command list. */
3001 for (cnt = 1; cnt < MAX_OUTSTANDING_COMMANDS; cnt++) {
3002 sp = ha->outstanding_cmds[cnt];
3003 if (sp) {
3004 ha->outstanding_cmds[cnt] = NULL;
1da177e4 3005 sp->flags = 0;
f4f051eb 3006 sp->cmd->result = DID_RESET << 16;
1da177e4 3007 sp->cmd->host_scribble = (unsigned char *)NULL;
f4f051eb 3008 qla2x00_sp_compl(ha, sp);
1da177e4
LT		 3009 }
3010 }
3011 spin_unlock_irqrestore(&ha->hardware_lock, flags);
3012
abbd8870 3013 ha->isp_ops.nvram_config(ha);
1da177e4
LT		 3014
3015 if (!qla2x00_restart_isp(ha)) {
3016 clear_bit(RESET_MARKER_NEEDED, &ha->dpc_flags);
3017
3018 if (!atomic_read(&ha->loop_down_timer)) {
3019 /*
3020 * Issue marker command only when we are going
3021 * to start the I/O .
3022 */
3023 ha->marker_needed = 1;
3024 }
3025
3026 ha->flags.online = 1;
3027
abbd8870 3028 ha->isp_ops.enable_intrs(ha);
1da177e4 3029
fa2a1ce5 3030 ha->isp_abort_cnt = 0;
1da177e4
LT		 3031 clear_bit(ISP_ABORT_RETRY, &ha->dpc_flags);
3032 } else { /* failed the ISP abort */
3033 ha->flags.online = 1;
3034 if (test_bit(ISP_ABORT_RETRY, &ha->dpc_flags)) {
3035 if (ha->isp_abort_cnt == 0) {
3036 qla_printk(KERN_WARNING, ha,
3037 "ISP error recovery failed - "
3038 "board disabled\n");
fa2a1ce5 3039 /*
1da177e4
LT		 3040 * The next call disables the board
3041 * completely.
3042 */
abbd8870 3043 ha->isp_ops.reset_adapter(ha);
1da177e4
LT		 3044 ha->flags.online = 0;
3045 clear_bit(ISP_ABORT_RETRY,
3046 &ha->dpc_flags);
3047 status = 0;
3048 } else { /* schedule another ISP abort */
3049 ha->isp_abort_cnt--;
3050 DEBUG(printk("qla%ld: ISP abort - "
0107109e 3051 "retry remaining %d\n",
1da177e4
LT		 3052 ha->host_no, ha->isp_abort_cnt);)
3053 status = 1;
3054 }
3055 } else {
3056 ha->isp_abort_cnt = MAX_RETRIES_OF_ISP_ABORT;
3057 DEBUG(printk("qla2x00(%ld): ISP error recovery "
3058 "- retrying (%d) more times\n",
3059 ha->host_no, ha->isp_abort_cnt);)
3060 set_bit(ISP_ABORT_RETRY, &ha->dpc_flags);
3061 status = 1;
3062 }
3063 }
fa2a1ce5 3064
1da177e4
LT		 3065 }
3066
3067 if (status) {
3068 qla_printk(KERN_INFO, ha,
3069 "qla2x00_abort_isp: **** FAILED ****\n");
3070 } else {
3071 DEBUG(printk(KERN_INFO
3072 "qla2x00_abort_isp(%ld): exiting.\n",
3073 ha->host_no);)
3074 }
3075
3076 return(status);
3077}
3078
3079/*
3080* qla2x00_restart_isp
3081* restarts the ISP after a reset
3082*
3083* Input:
3084* ha = adapter block pointer.
3085*
3086* Returns:
3087* 0 = success
3088*/
3089static int
3090qla2x00_restart_isp(scsi_qla_host_t *ha)
3091{
3092 uint8_t status = 0;
3d71644c 3093 struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
1da177e4
LT		 3094 unsigned long flags = 0;
3095 uint32_t wait_time;
3096
3097 /* If firmware needs to be loaded */
3098 if (qla2x00_isp_firmware(ha)) {
3099 ha->flags.online = 0;
abbd8870 3100 if (!(status = ha->isp_ops.chip_diag(ha))) {
1da177e4
LT		 3101 if (IS_QLA2100(ha) || IS_QLA2200(ha)) {
3102 status = qla2x00_setup_chip(ha);
3103 goto done;
3104 }
3105
1da177e4
LT		 3106 spin_lock_irqsave(&ha->hardware_lock, flags);
3107
044cc6c8 3108 if (!IS_QLA24XX(ha) && !IS_QLA54XX(ha)) {
0107109e
AV		 3109 /*
3110 * Disable SRAM, Instruction RAM and GP RAM
3111 * parity.
3112 */
3113 WRT_REG_WORD(&reg->hccr,
3114 (HCCR_ENABLE_PARITY + 0x0));
3115 RD_REG_WORD(&reg->hccr);
3116 }
1da177e4
LT		 3117
3118 spin_unlock_irqrestore(&ha->hardware_lock, flags);
fa2a1ce5 3119
1da177e4
LT		 3120 status = qla2x00_setup_chip(ha);
3121
3122 spin_lock_irqsave(&ha->hardware_lock, flags);
fa2a1ce5 3123
044cc6c8 3124 if (!IS_QLA24XX(ha) && !IS_QLA54XX(ha)) {
0107109e
AV		 3125 /* Enable proper parity */
3126 if (IS_QLA2300(ha))
3127 /* SRAM parity */
3128 WRT_REG_WORD(&reg->hccr,
3129 (HCCR_ENABLE_PARITY + 0x1));
3130 else
3131 /*
3132 * SRAM, Instruction RAM and GP RAM
3133 * parity.
3134 */
3135 WRT_REG_WORD(&reg->hccr,
3136 (HCCR_ENABLE_PARITY + 0x7));
3137 RD_REG_WORD(&reg->hccr);
3138 }
1da177e4
LT		 3139
3140 spin_unlock_irqrestore(&ha->hardware_lock, flags);
3141 }
3142 }
3143
3144 done:
3145 if (!status && !(status = qla2x00_init_rings(ha))) {
3146 clear_bit(RESET_MARKER_NEEDED, &ha->dpc_flags);
3147 if (!(status = qla2x00_fw_ready(ha))) {
3148 DEBUG(printk("%s(): Start configure loop, "
0107109e
AV		 3149 "status = %d\n", __func__, status);)
3150
3151 /* Issue a marker after FW becomes ready. */
3152 qla2x00_marker(ha, 0, 0, MK_SYNC_ALL);
3153
1da177e4
LT		 3154 ha->flags.online = 1;
3155 /* Wait at most MAX_TARGET RSCNs for a stable link. */
3156 wait_time = 256;
3157 do {
3158 clear_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags);
3159 qla2x00_configure_loop(ha);
3160 wait_time--;
3161 } while (!atomic_read(&ha->loop_down_timer) &&
3162 !(test_bit(ISP_ABORT_NEEDED, &ha->dpc_flags)) &&
3163 wait_time &&
3164 (test_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags)));
3165 }
3166
3167 /* if no cable then assume it's good */
fa2a1ce5 3168 if ((ha->device_flags & DFLG_NO_CABLE))
1da177e4
LT		 3169 status = 0;
3170
3171 DEBUG(printk("%s(): Configure loop done, status = 0x%x\n",
3172 __func__,
3173 status);)
3174 }
3175 return (status);
3176}
3177
3178/*
3179* qla2x00_reset_adapter
3180* Reset adapter.
3181*
3182* Input:
3183* ha = adapter block pointer.
3184*/
abbd8870 3185void
1da177e4
LT		 3186qla2x00_reset_adapter(scsi_qla_host_t *ha)
3187{
3188 unsigned long flags = 0;
3d71644c 3189 struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
1da177e4
LT		 3190
3191 ha->flags.online = 0;
abbd8870 3192 ha->isp_ops.disable_intrs(ha);
1da177e4 3193
1da177e4
LT		 3194 spin_lock_irqsave(&ha->hardware_lock, flags);
3195 WRT_REG_WORD(&reg->hccr, HCCR_RESET_RISC);
3196 RD_REG_WORD(&reg->hccr); /* PCI Posting. */
3197 WRT_REG_WORD(&reg->hccr, HCCR_RELEASE_RISC);
3198 RD_REG_WORD(&reg->hccr); /* PCI Posting. */
3199 spin_unlock_irqrestore(&ha->hardware_lock, flags);
3200}
0107109e
AV		 3201
3202void
3203qla24xx_reset_adapter(scsi_qla_host_t *ha)
3204{
3205 unsigned long flags = 0;
3206 struct device_reg_24xx __iomem *reg = &ha->iobase->isp24;
3207
3208 ha->flags.online = 0;
3209 ha->isp_ops.disable_intrs(ha);
3210
3211 spin_lock_irqsave(&ha->hardware_lock, flags);
3212 WRT_REG_DWORD(&reg->hccr, HCCRX_SET_RISC_RESET);
3213 RD_REG_DWORD(&reg->hccr);
3214 WRT_REG_DWORD(&reg->hccr, HCCRX_REL_RISC_PAUSE);
3215 RD_REG_DWORD(&reg->hccr);
3216 spin_unlock_irqrestore(&ha->hardware_lock, flags);
3217}
3218
3219int
3220qla24xx_nvram_config(scsi_qla_host_t *ha)
3221{
3222 int rval;
3223 struct init_cb_24xx *icb;
3224 struct nvram_24xx *nv;
3225 uint32_t *dptr;
3226 uint8_t *dptr1, *dptr2;
3227 uint32_t chksum;
3228 uint16_t cnt;
3229
3230 rval = QLA_SUCCESS;
3231 icb = (struct init_cb_24xx *)ha->init_cb;
3232 nv = (struct nvram_24xx *)ha->request_ring;
3233
3234 /* Determine NVRAM starting address. */
3235 ha->nvram_size = sizeof(struct nvram_24xx);
3236 ha->nvram_base = FA_NVRAM_FUNC0_ADDR;
6f641790
AV		 3237 ha->vpd_size = FA_NVRAM_VPD_SIZE;
3238 ha->vpd_base = FA_NVRAM_VPD0_ADDR;
3239 if (PCI_FUNC(ha->pdev->devfn)) {
0107109e 3240 ha->nvram_base = FA_NVRAM_FUNC1_ADDR;
6f641790
AV		 3241 ha->vpd_base = FA_NVRAM_VPD1_ADDR;
3242 }
0107109e
AV		 3243
3244 /* Get NVRAM data and calculate checksum. */
3245 dptr = (uint32_t *)nv;
3246 ha->isp_ops.read_nvram(ha, (uint8_t *)dptr, ha->nvram_base,
3247 ha->nvram_size);
3248 for (cnt = 0, chksum = 0; cnt < ha->nvram_size >> 2; cnt++)
3249 chksum += le32_to_cpu(*dptr++);
3250
3251 DEBUG5(printk("scsi(%ld): Contents of NVRAM\n", ha->host_no));
3252 DEBUG5(qla2x00_dump_buffer((uint8_t *)ha->request_ring,
3253 ha->nvram_size));
3254
3255 /* Bad NVRAM data, set defaults parameters. */
3256 if (chksum || nv->id[0] != 'I' || nv->id[1] != 'S' || nv->id[2] != 'P'
3257 || nv->id[3] != ' ' ||
3258 nv->nvram_version < __constant_cpu_to_le16(ICB_VERSION)) {
3259 /* Reset NVRAM data. */
3260 qla_printk(KERN_WARNING, ha, "Inconsistent NVRAM detected: "
3261 "checksum=0x%x id=%c version=0x%x.\n", chksum, nv->id[0],
3262 le16_to_cpu(nv->nvram_version));
3263 qla_printk(KERN_WARNING, ha, "Falling back to functioning (yet "
3264 "invalid -- WWPN) defaults.\n");
3265
3266 /*
3267 * Set default initialization control block.
3268 */
3269 memset(nv, 0, ha->nvram_size);
3270 nv->nvram_version = __constant_cpu_to_le16(ICB_VERSION);
3271 nv->version = __constant_cpu_to_le16(ICB_VERSION);
3272 nv->frame_payload_size = __constant_cpu_to_le16(2048);
3273 nv->execution_throttle = __constant_cpu_to_le16(0xFFFF);
3274 nv->exchange_count = __constant_cpu_to_le16(0);
3275 nv->hard_address = __constant_cpu_to_le16(124);
3276 nv->port_name[0] = 0x21;
3277 nv->port_name[1] = 0x00 + PCI_FUNC(ha->pdev->devfn);
3278 nv->port_name[2] = 0x00;
3279 nv->port_name[3] = 0xe0;
3280 nv->port_name[4] = 0x8b;
3281 nv->port_name[5] = 0x1c;
3282 nv->port_name[6] = 0x55;
3283 nv->port_name[7] = 0x86;
3284 nv->node_name[0] = 0x20;
3285 nv->node_name[1] = 0x00;
3286 nv->node_name[2] = 0x00;
3287 nv->node_name[3] = 0xe0;
3288 nv->node_name[4] = 0x8b;
3289 nv->node_name[5] = 0x1c;
3290 nv->node_name[6] = 0x55;
3291 nv->node_name[7] = 0x86;
3292 nv->login_retry_count = __constant_cpu_to_le16(8);
3293 nv->link_down_timeout = __constant_cpu_to_le16(200);
3294 nv->interrupt_delay_timer = __constant_cpu_to_le16(0);
3295 nv->login_timeout = __constant_cpu_to_le16(0);
3296 nv->firmware_options_1 =
3297 __constant_cpu_to_le32(BIT_14|BIT_13|BIT_2|BIT_1);
3298 nv->firmware_options_2 = __constant_cpu_to_le32(2 << 4);
3299 nv->firmware_options_2 |= __constant_cpu_to_le32(BIT_12);
3300 nv->firmware_options_3 = __constant_cpu_to_le32(2 << 13);
3301 nv->host_p = __constant_cpu_to_le32(BIT_11|BIT_10);
3302 nv->efi_parameters = __constant_cpu_to_le32(0);
3303 nv->reset_delay = 5;
3304 nv->max_luns_per_target = __constant_cpu_to_le16(128);
3305 nv->port_down_retry_count = __constant_cpu_to_le16(30);
3306 nv->link_down_timeout = __constant_cpu_to_le16(30);
3307
3308 rval = 1;
3309 }
3310
3311 /* Reset Initialization control block */
3312 memset(icb, 0, sizeof(struct init_cb_24xx));
3313
3314 /* Copy 1st segment. */
3315 dptr1 = (uint8_t *)icb;
3316 dptr2 = (uint8_t *)&nv->version;
3317 cnt = (uint8_t *)&icb->response_q_inpointer - (uint8_t *)&icb->version;
3318 while (cnt--)
3319 *dptr1++ = *dptr2++;
3320
3321 icb->login_retry_count = nv->login_retry_count;
3322 icb->link_down_timeout = nv->link_down_timeout;
3323
3324 /* Copy 2nd segment. */
3325 dptr1 = (uint8_t *)&icb->interrupt_delay_timer;
3326 dptr2 = (uint8_t *)&nv->interrupt_delay_timer;
3327 cnt = (uint8_t *)&icb->reserved_3 -
3328 (uint8_t *)&icb->interrupt_delay_timer;
3329 while (cnt--)
3330 *dptr1++ = *dptr2++;
3331
3332 /*
3333 * Setup driver NVRAM options.
3334 */
3335 if (memcmp(nv->model_name, BINZERO, sizeof(nv->model_name)) != 0) {
3336 char *st, *en;
3337 uint16_t index;
3338
3339 strncpy(ha->model_number, nv->model_name,
3340 sizeof(nv->model_name));
3341 st = en = ha->model_number;
3342 en += sizeof(nv->model_name) - 1;
3343 while (en > st) {
3344 if (*en != 0x20 && *en != 0x00)
3345 break;
3346 *en-- = '\0';
3347 }
3348
3349 index = (ha->pdev->subsystem_device & 0xff);
3350 if (index < QLA_MODEL_NAMES)
1328962e 3351 ha->model_desc = qla2x00_model_name[index * 2 + 1];
0107109e
AV		 3352 } else
3353 strcpy(ha->model_number, "QLA2462");
3354
5341e868
AV		 3355 /* Use alternate WWN? */
3356 if (nv->host_p & __constant_cpu_to_le32(BIT_15)) {
3357 memcpy(icb->node_name, nv->alternate_node_name, WWN_SIZE);
3358 memcpy(icb->port_name, nv->alternate_port_name, WWN_SIZE);
3359 }
3360
0107109e 3361 /* Prepare nodename */
fd0e7e4d 3362 if ((icb->firmware_options_1 & __constant_cpu_to_le32(BIT_14)) == 0) {
0107109e
AV		 3363 /*
3364 * Firmware will apply the following mask if the nodename was
3365 * not provided.
3366 */
3367 memcpy(icb->node_name, icb->port_name, WWN_SIZE);
3368 icb->node_name[0] &= 0xF0;
3369 }
3370
3371 /* Set host adapter parameters. */
3372 ha->flags.disable_risc_code_load = 0;
3373 ha->flags.enable_lip_reset = 1;
3374 ha->flags.enable_lip_full_login = 1;
3375 ha->flags.enable_target_reset = 1;
3376 ha->flags.enable_led_scheme = 0;
3377
fd0e7e4d
AV		 3378 ha->operating_mode = (le32_to_cpu(icb->firmware_options_2) &
3379 (BIT_6 | BIT_5 | BIT_4)) >> 4;
0107109e
AV		 3380
3381 memcpy(ha->fw_seriallink_options24, nv->seriallink_options,
3382 sizeof(ha->fw_seriallink_options24));
3383
3384 /* save HBA serial number */
3385 ha->serial0 = icb->port_name[5];
3386 ha->serial1 = icb->port_name[6];
3387 ha->serial2 = icb->port_name[7];
3388 ha->node_name = icb->node_name;
3389 ha->port_name = icb->port_name;
3390
bc8fb3cb
AV		 3391 icb->execution_throttle = __constant_cpu_to_le16(0xFFFF);
3392
0107109e
AV		 3393 ha->retry_count = le16_to_cpu(nv->login_retry_count);
3394
3395 /* Set minimum login_timeout to 4 seconds. */
3396 if (le16_to_cpu(nv->login_timeout) < ql2xlogintimeout)
3397 nv->login_timeout = cpu_to_le16(ql2xlogintimeout);
3398 if (le16_to_cpu(nv->login_timeout) < 4)
3399 nv->login_timeout = __constant_cpu_to_le16(4);
3400 ha->login_timeout = le16_to_cpu(nv->login_timeout);
3401 icb->login_timeout = cpu_to_le16(nv->login_timeout);
3402
3403 /* Set minimum RATOV to 200 tenths of a second. */
3404 ha->r_a_tov = 200;
3405
3406 ha->loop_reset_delay = nv->reset_delay;
3407
3408 /* Link Down Timeout = 0:
3409 *
3410 * When Port Down timer expires we will start returning
3411 * I/O's to OS with "DID_NO_CONNECT".
3412 *
3413 * Link Down Timeout != 0:
3414 *
3415 * The driver waits for the link to come up after link down
3416 * before returning I/Os to OS with "DID_NO_CONNECT".
3417 */
3418 if (le16_to_cpu(nv->link_down_timeout) == 0) {
3419 ha->loop_down_abort_time =
3420 (LOOP_DOWN_TIME - LOOP_DOWN_TIMEOUT);
3421 } else {
3422 ha->link_down_timeout = le16_to_cpu(nv->link_down_timeout);
3423 ha->loop_down_abort_time =
3424 (LOOP_DOWN_TIME - ha->link_down_timeout);
3425 }
3426
3427 /* Need enough time to try and get the port back. */
3428 ha->port_down_retry_count = le16_to_cpu(nv->port_down_retry_count);
3429 if (qlport_down_retry)
3430 ha->port_down_retry_count = qlport_down_retry;
3431
3432 /* Set login_retry_count */
3433 ha->login_retry_count = le16_to_cpu(nv->login_retry_count);
3434 if (ha->port_down_retry_count ==
3435 le16_to_cpu(nv->port_down_retry_count) &&
3436 ha->port_down_retry_count > 3)
3437 ha->login_retry_count = ha->port_down_retry_count;
3438 else if (ha->port_down_retry_count > (int)ha->login_retry_count)
3439 ha->login_retry_count = ha->port_down_retry_count;
3440 if (ql2xloginretrycount)
3441 ha->login_retry_count = ql2xloginretrycount;
3442
4fdfefe5
AV		 3443 /* Enable ZIO. */
3444 if (!ha->flags.init_done) {
3445 ha->zio_mode = le32_to_cpu(icb->firmware_options_2) &
3446 (BIT_3 | BIT_2 | BIT_1 | BIT_0);
3447 ha->zio_timer = le16_to_cpu(icb->interrupt_delay_timer) ?
3448 le16_to_cpu(icb->interrupt_delay_timer): 2;
3449 }
3450 icb->firmware_options_2 &= __constant_cpu_to_le32(
3451 ~(BIT_3 | BIT_2 | BIT_1 | BIT_0));
3452 ha->flags.process_response_queue = 0;
3453 if (ha->zio_mode != QLA_ZIO_DISABLED) {
4a59f71d
AV		 3454 ha->zio_mode = QLA_ZIO_MODE_6;
3455
4fdfefe5
AV		 3456 DEBUG2(printk("scsi(%ld): ZIO mode %d enabled; timer delay "
3457 "(%d us).\n", ha->host_no, ha->zio_mode,
3458 ha->zio_timer * 100));
3459 qla_printk(KERN_INFO, ha,
3460 "ZIO mode %d enabled; timer delay (%d us).\n",
3461 ha->zio_mode, ha->zio_timer * 100);
3462
3463 icb->firmware_options_2 |= cpu_to_le32(
3464 (uint32_t)ha->zio_mode);
3465 icb->interrupt_delay_timer = cpu_to_le16(ha->zio_timer);
3466 ha->flags.process_response_queue = 1;
3467 }
3468
0107109e
AV		 3469 if (rval) {
3470 DEBUG2_3(printk(KERN_WARNING
3471 "scsi(%ld): NVRAM configuration failed!\n", ha->host_no));
3472 }
3473 return (rval);
3474}
3475
d1c61909
AV		 3476int
3477qla24xx_load_risc_flash(scsi_qla_host_t *ha, uint32_t *srisc_addr)
3478{
3479 int rval;
3480 int segments, fragment;
3481 uint32_t faddr;
3482 uint32_t *dcode, dlen;
3483 uint32_t risc_addr;
3484 uint32_t risc_size;
3485 uint32_t i;
3486
3487 rval = QLA_SUCCESS;
3488
3489 segments = FA_RISC_CODE_SEGMENTS;
3490 faddr = FA_RISC_CODE_ADDR;
3491 dcode = (uint32_t *)ha->request_ring;
3492 *srisc_addr = 0;
3493
3494 /* Validate firmware image by checking version. */
3495 qla24xx_read_flash_data(ha, dcode, faddr + 4, 4);
3496 for (i = 0; i < 4; i++)
3497 dcode[i] = be32_to_cpu(dcode[i]);
3498 if ((dcode[0] == 0xffffffff && dcode[1] == 0xffffffff &&
3499 dcode[2] == 0xffffffff && dcode[3] == 0xffffffff) ||
3500 (dcode[0] == 0 && dcode[1] == 0 && dcode[2] == 0 &&
3501 dcode[3] == 0)) {
3502 qla_printk(KERN_WARNING, ha,
3503 "Unable to verify integrity of flash firmware image!\n");
3504 qla_printk(KERN_WARNING, ha,
3505 "Firmware data: %08x %08x %08x %08x!\n", dcode[0],
3506 dcode[1], dcode[2], dcode[3]);
3507
3508 return QLA_FUNCTION_FAILED;
3509 }
3510
3511 while (segments && rval == QLA_SUCCESS) {
3512 /* Read segment's load information. */
3513 qla24xx_read_flash_data(ha, dcode, faddr, 4);
3514
3515 risc_addr = be32_to_cpu(dcode[2]);
3516 *srisc_addr = *srisc_addr == 0 ? risc_addr : *srisc_addr;
3517 risc_size = be32_to_cpu(dcode[3]);
3518
3519 fragment = 0;
3520 while (risc_size > 0 && rval == QLA_SUCCESS) {
3521 dlen = (uint32_t)(ha->fw_transfer_size >> 2);
3522 if (dlen > risc_size)
3523 dlen = risc_size;
3524
3525 DEBUG7(printk("scsi(%ld): Loading risc segment@ risc "
3526 "addr %x, number of dwords 0x%x, offset 0x%x.\n",
3527 ha->host_no, risc_addr, dlen, faddr));
3528
3529 qla24xx_read_flash_data(ha, dcode, faddr, dlen);
3530 for (i = 0; i < dlen; i++)
3531 dcode[i] = swab32(dcode[i]);
3532
3533 rval = qla2x00_load_ram(ha, ha->request_dma, risc_addr,
3534 dlen);
3535 if (rval) {
3536 DEBUG(printk("scsi(%ld):[ERROR] Failed to load "
3537 "segment %d of firmware\n", ha->host_no,
3538 fragment));
3539 qla_printk(KERN_WARNING, ha,
3540 "[ERROR] Failed to load segment %d of "
3541 "firmware\n", fragment);
3542 break;
3543 }
3544
3545 faddr += dlen;
3546 risc_addr += dlen;
3547 risc_size -= dlen;
3548 fragment++;
3549 }
3550
3551 /* Next segment. */
3552 segments--;
3553 }
3554
3555 return rval;
3556}
3557
d1c61909
AV		 3558#define QLA_FW_URL "ftp://ftp.qlogic.com/outgoing/linux/firmware/"
3559
0107109e 3560int
5433383e
AV		 3561qla2x00_load_risc(scsi_qla_host_t *ha, uint32_t *srisc_addr)
3562{
3563 int rval;
3564 int i, fragment;
3565 uint16_t *wcode, *fwcode;
3566 uint32_t risc_addr, risc_size, fwclen, wlen, *seg;
3567 struct fw_blob *blob;
3568
3569 /* Load firmware blob. */
3570 blob = qla2x00_request_firmware(ha);
3571 if (!blob) {
3572 qla_printk(KERN_ERR, ha, "Firmware image unavailable.\n");
d1c61909
AV		 3573 qla_printk(KERN_ERR, ha, "Firmware images can be retrieved "
3574 "from: " QLA_FW_URL ".\n");
5433383e
AV		 3575 return QLA_FUNCTION_FAILED;
3576 }
3577
3578 rval = QLA_SUCCESS;
3579
3580 wcode = (uint16_t *)ha->request_ring;
3581 *srisc_addr = 0;
3582 fwcode = (uint16_t *)blob->fw->data;
3583 fwclen = 0;
3584
3585 /* Validate firmware image by checking version. */
3586 if (blob->fw->size < 8 * sizeof(uint16_t)) {
3587 qla_printk(KERN_WARNING, ha,
3588 "Unable to verify integrity of firmware image (%Zd)!\n",
3589 blob->fw->size);
3590 goto fail_fw_integrity;
3591 }
3592 for (i = 0; i < 4; i++)
3593 wcode[i] = be16_to_cpu(fwcode[i + 4]);
3594 if ((wcode[0] == 0xffff && wcode[1] == 0xffff && wcode[2] == 0xffff &&
3595 wcode[3] == 0xffff) || (wcode[0] == 0 && wcode[1] == 0 &&
3596 wcode[2] == 0 && wcode[3] == 0)) {
3597 qla_printk(KERN_WARNING, ha,
3598 "Unable to verify integrity of firmware image!\n");
3599 qla_printk(KERN_WARNING, ha,
3600 "Firmware data: %04x %04x %04x %04x!\n", wcode[0],
3601 wcode[1], wcode[2], wcode[3]);
3602 goto fail_fw_integrity;
3603 }
3604
3605 seg = blob->segs;
3606 while (*seg && rval == QLA_SUCCESS) {
3607 risc_addr = *seg;
3608 *srisc_addr = *srisc_addr == 0 ? *seg : *srisc_addr;
3609 risc_size = be16_to_cpu(fwcode[3]);
3610
3611 /* Validate firmware image size. */
3612 fwclen += risc_size * sizeof(uint16_t);
3613 if (blob->fw->size < fwclen) {
3614 qla_printk(KERN_WARNING, ha,
3615 "Unable to verify integrity of firmware image "
3616 "(%Zd)!\n", blob->fw->size);
3617 goto fail_fw_integrity;
3618 }
3619
3620 fragment = 0;
3621 while (risc_size > 0 && rval == QLA_SUCCESS) {
3622 wlen = (uint16_t)(ha->fw_transfer_size >> 1);
3623 if (wlen > risc_size)
3624 wlen = risc_size;
3625
3626 DEBUG7(printk("scsi(%ld): Loading risc segment@ risc "
3627 "addr %x, number of words 0x%x.\n", ha->host_no,
3628 risc_addr, wlen));
3629
3630 for (i = 0; i < wlen; i++)
3631 wcode[i] = swab16(fwcode[i]);
3632
3633 rval = qla2x00_load_ram(ha, ha->request_dma, risc_addr,
3634 wlen);
3635 if (rval) {
3636 DEBUG(printk("scsi(%ld):[ERROR] Failed to load "
3637 "segment %d of firmware\n", ha->host_no,
3638 fragment));
3639 qla_printk(KERN_WARNING, ha,
3640 "[ERROR] Failed to load segment %d of "
3641 "firmware\n", fragment);
3642 break;
3643 }
3644
3645 fwcode += wlen;
3646 risc_addr += wlen;
3647 risc_size -= wlen;
3648 fragment++;
3649 }
3650
3651 /* Next segment. */
3652 seg++;
3653 }
3654 return rval;
3655
3656fail_fw_integrity:
3657 return QLA_FUNCTION_FAILED;
3658}
3659
3660int
3661qla24xx_load_risc(scsi_qla_host_t *ha, uint32_t *srisc_addr)
0107109e
AV		 3662{
3663 int rval;
3664 int segments, fragment;
3665 uint32_t *dcode, dlen;
3666 uint32_t risc_addr;
3667 uint32_t risc_size;
3668 uint32_t i;
5433383e 3669 struct fw_blob *blob;
0107109e
AV		 3670 uint32_t *fwcode, fwclen;
3671
5433383e
AV		 3672 /* Load firmware blob. */
3673 blob = qla2x00_request_firmware(ha);
3674 if (!blob) {
3675 qla_printk(KERN_ERR, ha, "Firmware image unavailable.\n");
d1c61909
AV		 3676 qla_printk(KERN_ERR, ha, "Firmware images can be retrieved "
3677 "from: " QLA_FW_URL ".\n");
3678
3679 /* Try to load RISC code from flash. */
3680 qla_printk(KERN_ERR, ha, "Attempting to load (potentially "
3681 "outdated) firmware from flash.\n");
3682 return qla24xx_load_risc_flash(ha, srisc_addr);
0107109e
AV		 3683 }
3684
3685 rval = QLA_SUCCESS;
3686
3687 segments = FA_RISC_CODE_SEGMENTS;
3688 dcode = (uint32_t *)ha->request_ring;
3689 *srisc_addr = 0;
5433383e 3690 fwcode = (uint32_t *)blob->fw->data;
0107109e
AV		 3691 fwclen = 0;
3692
3693 /* Validate firmware image by checking version. */
5433383e 3694 if (blob->fw->size < 8 * sizeof(uint32_t)) {
0107109e 3695 qla_printk(KERN_WARNING, ha,
5433383e
AV		 3696 "Unable to verify integrity of firmware image (%Zd)!\n",
3697 blob->fw->size);
0107109e
AV		 3698 goto fail_fw_integrity;
3699 }
3700 for (i = 0; i < 4; i++)
3701 dcode[i] = be32_to_cpu(fwcode[i + 4]);
3702 if ((dcode[0] == 0xffffffff && dcode[1] == 0xffffffff &&
3703 dcode[2] == 0xffffffff && dcode[3] == 0xffffffff) ||
3704 (dcode[0] == 0 && dcode[1] == 0 && dcode[2] == 0 &&
3705 dcode[3] == 0)) {
3706 qla_printk(KERN_WARNING, ha,
5433383e 3707 "Unable to verify integrity of firmware image!\n");
0107109e
AV		 3708 qla_printk(KERN_WARNING, ha,
3709 "Firmware data: %08x %08x %08x %08x!\n", dcode[0],
3710 dcode[1], dcode[2], dcode[3]);
3711 goto fail_fw_integrity;
3712 }
3713
3714 while (segments && rval == QLA_SUCCESS) {
3715 risc_addr = be32_to_cpu(fwcode[2]);
3716 *srisc_addr = *srisc_addr == 0 ? risc_addr : *srisc_addr;
3717 risc_size = be32_to_cpu(fwcode[3]);
3718
3719 /* Validate firmware image size. */
3720 fwclen += risc_size * sizeof(uint32_t);
5433383e 3721 if (blob->fw->size < fwclen) {
0107109e 3722 qla_printk(KERN_WARNING, ha,
5433383e
AV		 3723 "Unable to verify integrity of firmware image "
3724 "(%Zd)!\n", blob->fw->size);
3725
0107109e
AV		 3726 goto fail_fw_integrity;
3727 }
3728
3729 fragment = 0;
3730 while (risc_size > 0 && rval == QLA_SUCCESS) {
3731 dlen = (uint32_t)(ha->fw_transfer_size >> 2);
3732 if (dlen > risc_size)
3733 dlen = risc_size;
3734
3735 DEBUG7(printk("scsi(%ld): Loading risc segment@ risc "
3736 "addr %x, number of dwords 0x%x.\n", ha->host_no,
3737 risc_addr, dlen));
3738
3739 for (i = 0; i < dlen; i++)
3740 dcode[i] = swab32(fwcode[i]);
3741
590f98e5
AV		 3742 rval = qla2x00_load_ram(ha, ha->request_dma, risc_addr,
3743 dlen);
0107109e
AV		 3744 if (rval) {
3745 DEBUG(printk("scsi(%ld):[ERROR] Failed to load "
3746 "segment %d of firmware\n", ha->host_no,
3747 fragment));
3748 qla_printk(KERN_WARNING, ha,
3749 "[ERROR] Failed to load segment %d of "
3750 "firmware\n", fragment);
3751 break;
3752 }
3753
3754 fwcode += dlen;
3755 risc_addr += dlen;
3756 risc_size -= dlen;
3757 fragment++;
3758 }
3759
3760 /* Next segment. */
3761 segments--;
3762 }
0107109e
AV		 3763 return rval;
3764
3765fail_fw_integrity:
0107109e 3766 return QLA_FUNCTION_FAILED;
0107109e 3767}
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