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[SCSI] scsi_lib: stricter checks for clearing use_10_for_rw
[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
AV		 10#include <linux/vmalloc.h>
11#include <linux/firmware.h>
8482e118 12#include <scsi/scsi_transport_fc.h>
1da177e4
LT		 13
14#include "qla_devtbl.h"
15
16/* XXX(hch): this is ugly, but we don't want to pull in exioctl.h */
17#ifndef EXT_IS_LUN_BIT_SET
18#define EXT_IS_LUN_BIT_SET(P,L) \
19 (((P)->mask[L/8] & (0x80 >> (L%8)))?1:0)
20#define EXT_SET_LUN_BIT(P,L) \
21 ((P)->mask[L/8] |= (0x80 >> (L%8)))
22#endif
23
24/*
25* QLogic ISP2x00 Hardware Support Function Prototypes.
26*/
1da177e4 27static int qla2x00_isp_firmware(scsi_qla_host_t *);
1da177e4
LT		 28static void qla2x00_resize_request_q(scsi_qla_host_t *);
29static int qla2x00_setup_chip(scsi_qla_host_t *);
30static void qla2x00_init_response_q_entries(scsi_qla_host_t *);
31static int qla2x00_init_rings(scsi_qla_host_t *);
32static int qla2x00_fw_ready(scsi_qla_host_t *);
33static int qla2x00_configure_hba(scsi_qla_host_t *);
1da177e4
LT		 34static int qla2x00_configure_loop(scsi_qla_host_t *);
35static int qla2x00_configure_local_loop(scsi_qla_host_t *);
36static void qla2x00_update_fcport(scsi_qla_host_t *, fc_port_t *);
1da177e4
LT		 37static int qla2x00_configure_fabric(scsi_qla_host_t *);
38static int qla2x00_find_all_fabric_devs(scsi_qla_host_t *, struct list_head *);
39static int qla2x00_device_resync(scsi_qla_host_t *);
40static int qla2x00_fabric_dev_login(scsi_qla_host_t *, fc_port_t *,
41 uint16_t *);
1da177e4
LT		 42
43static int qla2x00_restart_isp(scsi_qla_host_t *);
1da177e4
LT		 44
45/****************************************************************************/
46/* QLogic ISP2x00 Hardware Support Functions. */
47/****************************************************************************/
48
49/*
50* qla2x00_initialize_adapter
51* Initialize board.
52*
53* Input:
54* ha = adapter block pointer.
55*
56* Returns:
57* 0 = success
58*/
59int
60qla2x00_initialize_adapter(scsi_qla_host_t *ha)
61{
62 int rval;
63 uint8_t restart_risc = 0;
64 uint8_t retry;
65 uint32_t wait_time;
66
67 /* Clear adapter flags. */
68 ha->flags.online = 0;
69 ha->flags.reset_active = 0;
70 atomic_set(&ha->loop_down_timer, LOOP_DOWN_TIME);
71 atomic_set(&ha->loop_state, LOOP_DOWN);
72 ha->device_flags = 0;
1da177e4 73 ha->dpc_flags = 0;
1da177e4
LT		 74 ha->flags.management_server_logged_in = 0;
75 ha->marker_needed = 0;
76 ha->mbx_flags = 0;
77 ha->isp_abort_cnt = 0;
78 ha->beacon_blink_led = 0;
cca5335c 79 set_bit(REGISTER_FDMI_NEEDED, &ha->dpc_flags);
1da177e4 80
0107109e 81 qla_printk(KERN_INFO, ha, "Configuring PCI space...\n");
abbd8870 82 rval = ha->isp_ops.pci_config(ha);
1da177e4
LT		 83 if (rval) {
84 DEBUG2(printk("scsi(%ld): Unable to configure PCI space=n",
85 ha->host_no));
86 return (rval);
87 }
88
abbd8870 89 ha->isp_ops.reset_chip(ha);
1da177e4 90
1da177e4 91 qla_printk(KERN_INFO, ha, "Configure NVRAM parameters...\n");
0107109e 92
abbd8870 93 ha->isp_ops.nvram_config(ha);
1da177e4
LT		 94
95 qla_printk(KERN_INFO, ha, "Verifying loaded RISC code...\n");
96
97 retry = 10;
98 /*
99 * Try to configure the loop.
100 */
101 do {
102 restart_risc = 0;
103
104 /* If firmware needs to be loaded */
105 if (qla2x00_isp_firmware(ha) != QLA_SUCCESS) {
abbd8870 106 if ((rval = ha->isp_ops.chip_diag(ha)) == QLA_SUCCESS) {
1da177e4
LT		 107 rval = qla2x00_setup_chip(ha);
108 }
109 }
110
111 if (rval == QLA_SUCCESS &&
112 (rval = qla2x00_init_rings(ha)) == QLA_SUCCESS) {
113check_fw_ready_again:
114 /*
fa2a1ce5 115 * Wait for a successful LIP up to a maximum
1da177e4
LT		 116 * of (in seconds): RISC login timeout value,
117 * RISC retry count value, and port down retry
fa2a1ce5 118 * value OR a minimum of 4 seconds OR If no
1da177e4
LT		 119 * cable, only 5 seconds.
120 */
121 rval = qla2x00_fw_ready(ha);
122 if (rval == QLA_SUCCESS) {
123 clear_bit(RESET_MARKER_NEEDED, &ha->dpc_flags);
124
0107109e
AV		 125 /* Issue a marker after FW becomes ready. */
126 qla2x00_marker(ha, 0, 0, MK_SYNC_ALL);
127
1da177e4
LT		 128 /*
129 * Wait at most MAX_TARGET RSCNs for a stable
130 * link.
131 */
132 wait_time = 256;
133 do {
134 clear_bit(LOOP_RESYNC_NEEDED,
135 &ha->dpc_flags);
136 rval = qla2x00_configure_loop(ha);
137
138 if (test_and_clear_bit(ISP_ABORT_NEEDED,
139 &ha->dpc_flags)) {
140 restart_risc = 1;
141 break;
142 }
143
144 /*
145 * If loop state change while we were
146 * discoverying devices then wait for
147 * LIP to complete
148 */
149
33135aa2
RA		 150 if (atomic_read(&ha->loop_state) !=
151 LOOP_READY && retry--) {
1da177e4
LT		 152 goto check_fw_ready_again;
153 }
154 wait_time--;
155 } while (!atomic_read(&ha->loop_down_timer) &&
156 retry &&
157 wait_time &&
158 (test_bit(LOOP_RESYNC_NEEDED,
159 &ha->dpc_flags)));
160
161 if (wait_time == 0)
162 rval = QLA_FUNCTION_FAILED;
1da177e4
LT		 163 } else if (ha->device_flags & DFLG_NO_CABLE)
164 /* If no cable, then all is good. */
165 rval = QLA_SUCCESS;
166 }
167 } while (restart_risc && retry--);
168
169 if (rval == QLA_SUCCESS) {
170 clear_bit(RESET_MARKER_NEEDED, &ha->dpc_flags);
1da177e4
LT		 171 qla2x00_marker(ha, 0, 0, MK_SYNC_ALL);
172 ha->marker_needed = 0;
173
174 ha->flags.online = 1;
175 } else {
176 DEBUG2_3(printk("%s(): **** FAILED ****\n", __func__));
177 }
178
179 return (rval);
180}
181
182/**
abbd8870 183 * qla2100_pci_config() - Setup ISP21xx PCI configuration registers.
1da177e4
LT		 184 * @ha: HA context
185 *
186 * Returns 0 on success.
187 */
abbd8870
AV		 188int
189qla2100_pci_config(scsi_qla_host_t *ha)
1da177e4 190{
abbd8870 191 uint16_t w, mwi;
27b2f679 192 uint32_t d;
abbd8870 193 unsigned long flags;
3d71644c 194 struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
1da177e4 195
1da177e4
LT		 196 pci_set_master(ha->pdev);
197 mwi = 0;
198 if (pci_set_mwi(ha->pdev))
199 mwi = PCI_COMMAND_INVALIDATE;
200 pci_read_config_word(ha->pdev, PCI_REVISION_ID, &ha->revision);
201
1da177e4
LT		 202 pci_read_config_word(ha->pdev, PCI_COMMAND, &w);
203 w |= mwi | (PCI_COMMAND_PARITY | PCI_COMMAND_SERR);
abbd8870
AV		 204 pci_write_config_word(ha->pdev, PCI_COMMAND, w);
205
206 /* Reset expansion ROM address decode enable */
27b2f679
AK		 207 pci_read_config_dword(ha->pdev, PCI_ROM_ADDRESS, &d);
208 d &= ~PCI_ROM_ADDRESS_ENABLE;
209 pci_write_config_dword(ha->pdev, PCI_ROM_ADDRESS, d);
1da177e4
LT		 210
211 /* Get PCI bus information. */
212 spin_lock_irqsave(&ha->hardware_lock, flags);
3d71644c 213 ha->pci_attr = RD_REG_WORD(&reg->ctrl_status);
1da177e4
LT		 214 spin_unlock_irqrestore(&ha->hardware_lock, flags);
215
abbd8870
AV		 216 return QLA_SUCCESS;
217}
1da177e4 218
abbd8870
AV		 219/**
220 * qla2300_pci_config() - Setup ISP23xx PCI configuration registers.
221 * @ha: HA context
222 *
223 * Returns 0 on success.
224 */
225int
226qla2300_pci_config(scsi_qla_host_t *ha)
227{
228 uint16_t w, mwi;
27b2f679 229 uint32_t d;
abbd8870
AV		 230 unsigned long flags = 0;
231 uint32_t cnt;
3d71644c 232 struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
1da177e4 233
abbd8870
AV		 234 pci_set_master(ha->pdev);
235 mwi = 0;
236 if (pci_set_mwi(ha->pdev))
237 mwi = PCI_COMMAND_INVALIDATE;
238 pci_read_config_word(ha->pdev, PCI_REVISION_ID, &ha->revision);
1da177e4 239
abbd8870
AV		 240 pci_read_config_word(ha->pdev, PCI_COMMAND, &w);
241 w |= mwi | (PCI_COMMAND_PARITY | PCI_COMMAND_SERR);
1da177e4 242
abbd8870
AV		 243 if (IS_QLA2322(ha) || IS_QLA6322(ha))
244 w &= ~PCI_COMMAND_INTX_DISABLE;
1da177e4 245
abbd8870
AV		 246 /*
247 * If this is a 2300 card and not 2312, reset the
248 * COMMAND_INVALIDATE due to a bug in the 2300. Unfortunately,
249 * the 2310 also reports itself as a 2300 so we need to get the
250 * fb revision level -- a 6 indicates it really is a 2300 and
251 * not a 2310.
252 */
253 if (IS_QLA2300(ha)) {
254 spin_lock_irqsave(&ha->hardware_lock, flags);
1da177e4 255
abbd8870 256 /* Pause RISC. */
3d71644c 257 WRT_REG_WORD(&reg->hccr, HCCR_PAUSE_RISC);
abbd8870 258 for (cnt = 0; cnt < 30000; cnt++) {
3d71644c 259 if ((RD_REG_WORD(&reg->hccr) & HCCR_RISC_PAUSE) != 0)
abbd8870 260 break;
1da177e4 261
abbd8870
AV		 262 udelay(10);
263 }
1da177e4 264
abbd8870 265 /* Select FPM registers. */
3d71644c
AV		 266 WRT_REG_WORD(&reg->ctrl_status, 0x20);
267 RD_REG_WORD(&reg->ctrl_status);
abbd8870
AV		 268
269 /* Get the fb rev level */
3d71644c 270 ha->fb_rev = RD_FB_CMD_REG(ha, reg);
abbd8870
AV		 271
272 if (ha->fb_rev == FPM_2300)
273 w &= ~PCI_COMMAND_INVALIDATE;
274
275 /* Deselect FPM registers. */
3d71644c
AV		 276 WRT_REG_WORD(&reg->ctrl_status, 0x0);
277 RD_REG_WORD(&reg->ctrl_status);
abbd8870
AV		 278
279 /* Release RISC module. */
3d71644c 280 WRT_REG_WORD(&reg->hccr, HCCR_RELEASE_RISC);
abbd8870 281 for (cnt = 0; cnt < 30000; cnt++) {
3d71644c 282 if ((RD_REG_WORD(&reg->hccr) & HCCR_RISC_PAUSE) == 0)
abbd8870
AV		 283 break;
284
285 udelay(10);
1da177e4 286 }
1da177e4 287
abbd8870
AV		 288 spin_unlock_irqrestore(&ha->hardware_lock, flags);
289 }
1da177e4
LT		 290 pci_write_config_word(ha->pdev, PCI_COMMAND, w);
291
abbd8870
AV		 292 pci_write_config_byte(ha->pdev, PCI_LATENCY_TIMER, 0x80);
293
1da177e4 294 /* Reset expansion ROM address decode enable */
27b2f679
AK		 295 pci_read_config_dword(ha->pdev, PCI_ROM_ADDRESS, &d);
296 d &= ~PCI_ROM_ADDRESS_ENABLE;
297 pci_write_config_dword(ha->pdev, PCI_ROM_ADDRESS, d);
1da177e4 298
abbd8870
AV		 299 /* Get PCI bus information. */
300 spin_lock_irqsave(&ha->hardware_lock, flags);
3d71644c 301 ha->pci_attr = RD_REG_WORD(&reg->ctrl_status);
abbd8870
AV		 302 spin_unlock_irqrestore(&ha->hardware_lock, flags);
303
304 return QLA_SUCCESS;
1da177e4
LT		 305}
306
0107109e
AV		 307/**
308 * qla24xx_pci_config() - Setup ISP24xx PCI configuration registers.
309 * @ha: HA context
310 *
311 * Returns 0 on success.
312 */
313int
314qla24xx_pci_config(scsi_qla_host_t *ha)
315{
316 uint16_t w, mwi;
27b2f679 317 uint32_t d;
0107109e
AV		 318 unsigned long flags = 0;
319 struct device_reg_24xx __iomem *reg = &ha->iobase->isp24;
320 int pcix_cmd_reg, pcie_dctl_reg;
321
322 pci_set_master(ha->pdev);
323 mwi = 0;
324 if (pci_set_mwi(ha->pdev))
325 mwi = PCI_COMMAND_INVALIDATE;
326 pci_read_config_word(ha->pdev, PCI_REVISION_ID, &ha->revision);
327
328 pci_read_config_word(ha->pdev, PCI_COMMAND, &w);
329 w |= mwi | (PCI_COMMAND_PARITY | PCI_COMMAND_SERR);
330 w &= ~PCI_COMMAND_INTX_DISABLE;
331 pci_write_config_word(ha->pdev, PCI_COMMAND, w);
332
333 pci_write_config_byte(ha->pdev, PCI_LATENCY_TIMER, 0x80);
334
335 /* PCI-X -- adjust Maximum Memory Read Byte Count (2048). */
336 pcix_cmd_reg = pci_find_capability(ha->pdev, PCI_CAP_ID_PCIX);
337 if (pcix_cmd_reg) {
338 uint16_t pcix_cmd;
339
340 pcix_cmd_reg += PCI_X_CMD;
341 pci_read_config_word(ha->pdev, pcix_cmd_reg, &pcix_cmd);
342 pcix_cmd &= ~PCI_X_CMD_MAX_READ;
343 pcix_cmd |= 0x0008;
344 pci_write_config_word(ha->pdev, pcix_cmd_reg, pcix_cmd);
345 }
346
347 /* PCIe -- adjust Maximum Read Request Size (2048). */
348 pcie_dctl_reg = pci_find_capability(ha->pdev, PCI_CAP_ID_EXP);
349 if (pcie_dctl_reg) {
350 uint16_t pcie_dctl;
351
352 pcie_dctl_reg += PCI_EXP_DEVCTL;
353 pci_read_config_word(ha->pdev, pcie_dctl_reg, &pcie_dctl);
354 pcie_dctl &= ~PCI_EXP_DEVCTL_READRQ;
355 pcie_dctl |= 0x4000;
356 pci_write_config_word(ha->pdev, pcie_dctl_reg, pcie_dctl);
357 }
358
359 /* Reset expansion ROM address decode enable */
27b2f679
AK		 360 pci_read_config_dword(ha->pdev, PCI_ROM_ADDRESS, &d);
361 d &= ~PCI_ROM_ADDRESS_ENABLE;
362 pci_write_config_dword(ha->pdev, PCI_ROM_ADDRESS, d);
0107109e
AV		 363
364 /* Get PCI bus information. */
365 spin_lock_irqsave(&ha->hardware_lock, flags);
366 ha->pci_attr = RD_REG_DWORD(&reg->ctrl_status);
367 spin_unlock_irqrestore(&ha->hardware_lock, flags);
368
369 return QLA_SUCCESS;
370}
371
1da177e4
LT		 372/**
373 * qla2x00_isp_firmware() - Choose firmware image.
374 * @ha: HA context
375 *
376 * Returns 0 on success.
377 */
378static int
379qla2x00_isp_firmware(scsi_qla_host_t *ha)
380{
381 int rval;
382
383 /* Assume loading risc code */
fa2a1ce5 384 rval = QLA_FUNCTION_FAILED;
1da177e4
LT		 385
386 if (ha->flags.disable_risc_code_load) {
387 DEBUG2(printk("scsi(%ld): RISC CODE NOT loaded\n",
388 ha->host_no));
389 qla_printk(KERN_INFO, ha, "RISC CODE NOT loaded\n");
390
391 /* Verify checksum of loaded RISC code. */
1c7c6357
AV		 392 rval = qla2x00_verify_checksum(ha,
393 IS_QLA24XX(ha) || IS_QLA25XX(ha) ? RISC_SADDRESS :
394 *ha->brd_info->fw_info[0].fwstart);
1da177e4
LT		 395 }
396
397 if (rval) {
398 DEBUG2_3(printk("scsi(%ld): **** Load RISC code ****\n",
399 ha->host_no));
400 }
401
402 return (rval);
403}
404
405/**
406 * qla2x00_reset_chip() - Reset ISP chip.
407 * @ha: HA context
408 *
409 * Returns 0 on success.
410 */
abbd8870 411void
fa2a1ce5 412qla2x00_reset_chip(scsi_qla_host_t *ha)
1da177e4
LT		 413{
414 unsigned long flags = 0;
3d71644c 415 struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
1da177e4
LT		 416 uint32_t cnt;
417 unsigned long mbx_flags = 0;
418 uint16_t cmd;
419
abbd8870 420 ha->isp_ops.disable_intrs(ha);
1da177e4
LT		 421
422 spin_lock_irqsave(&ha->hardware_lock, flags);
423
424 /* Turn off master enable */
425 cmd = 0;
426 pci_read_config_word(ha->pdev, PCI_COMMAND, &cmd);
427 cmd &= ~PCI_COMMAND_MASTER;
428 pci_write_config_word(ha->pdev, PCI_COMMAND, cmd);
429
430 if (!IS_QLA2100(ha)) {
431 /* Pause RISC. */
432 WRT_REG_WORD(&reg->hccr, HCCR_PAUSE_RISC);
433 if (IS_QLA2200(ha) || IS_QLA2300(ha)) {
434 for (cnt = 0; cnt < 30000; cnt++) {
435 if ((RD_REG_WORD(&reg->hccr) &
436 HCCR_RISC_PAUSE) != 0)
437 break;
438 udelay(100);
439 }
440 } else {
441 RD_REG_WORD(&reg->hccr); /* PCI Posting. */
442 udelay(10);
443 }
444
445 /* Select FPM registers. */
446 WRT_REG_WORD(&reg->ctrl_status, 0x20);
447 RD_REG_WORD(&reg->ctrl_status); /* PCI Posting. */
448
449 /* FPM Soft Reset. */
450 WRT_REG_WORD(&reg->fpm_diag_config, 0x100);
451 RD_REG_WORD(&reg->fpm_diag_config); /* PCI Posting. */
452
453 /* Toggle Fpm Reset. */
454 if (!IS_QLA2200(ha)) {
455 WRT_REG_WORD(&reg->fpm_diag_config, 0x0);
456 RD_REG_WORD(&reg->fpm_diag_config); /* PCI Posting. */
457 }
458
459 /* Select frame buffer registers. */
460 WRT_REG_WORD(&reg->ctrl_status, 0x10);
461 RD_REG_WORD(&reg->ctrl_status); /* PCI Posting. */
462
463 /* Reset frame buffer FIFOs. */
464 if (IS_QLA2200(ha)) {
465 WRT_FB_CMD_REG(ha, reg, 0xa000);
466 RD_FB_CMD_REG(ha, reg); /* PCI Posting. */
467 } else {
468 WRT_FB_CMD_REG(ha, reg, 0x00fc);
469
470 /* Read back fb_cmd until zero or 3 seconds max */
471 for (cnt = 0; cnt < 3000; cnt++) {
472 if ((RD_FB_CMD_REG(ha, reg) & 0xff) == 0)
473 break;
474 udelay(100);
475 }
476 }
477
478 /* Select RISC module registers. */
479 WRT_REG_WORD(&reg->ctrl_status, 0);
480 RD_REG_WORD(&reg->ctrl_status); /* PCI Posting. */
481
482 /* Reset RISC processor. */
483 WRT_REG_WORD(&reg->hccr, HCCR_RESET_RISC);
484 RD_REG_WORD(&reg->hccr); /* PCI Posting. */
485
486 /* Release RISC processor. */
487 WRT_REG_WORD(&reg->hccr, HCCR_RELEASE_RISC);
488 RD_REG_WORD(&reg->hccr); /* PCI Posting. */
489 }
490
491 WRT_REG_WORD(&reg->hccr, HCCR_CLR_RISC_INT);
492 WRT_REG_WORD(&reg->hccr, HCCR_CLR_HOST_INT);
493
494 /* Reset ISP chip. */
495 WRT_REG_WORD(&reg->ctrl_status, CSR_ISP_SOFT_RESET);
496
497 /* Wait for RISC to recover from reset. */
498 if (IS_QLA2100(ha) || IS_QLA2200(ha) || IS_QLA2300(ha)) {
499 /*
500 * It is necessary to for a delay here since the card doesn't
501 * respond to PCI reads during a reset. On some architectures
502 * this will result in an MCA.
503 */
504 udelay(20);
505 for (cnt = 30000; cnt; cnt--) {
506 if ((RD_REG_WORD(&reg->ctrl_status) &
507 CSR_ISP_SOFT_RESET) == 0)
508 break;
509 udelay(100);
510 }
511 } else
512 udelay(10);
513
514 /* Reset RISC processor. */
515 WRT_REG_WORD(&reg->hccr, HCCR_RESET_RISC);
516
517 WRT_REG_WORD(&reg->semaphore, 0);
518
519 /* Release RISC processor. */
520 WRT_REG_WORD(&reg->hccr, HCCR_RELEASE_RISC);
521 RD_REG_WORD(&reg->hccr); /* PCI Posting. */
522
523 if (IS_QLA2100(ha) || IS_QLA2200(ha) || IS_QLA2300(ha)) {
524 for (cnt = 0; cnt < 30000; cnt++) {
525 if (!(test_bit(ABORT_ISP_ACTIVE, &ha->dpc_flags)))
526 spin_lock_irqsave(&ha->mbx_reg_lock, mbx_flags);
527
528 if (RD_MAILBOX_REG(ha, reg, 0) != MBS_BUSY) {
529 if (!(test_bit(ABORT_ISP_ACTIVE,
530 &ha->dpc_flags)))
531 spin_unlock_irqrestore(
532 &ha->mbx_reg_lock, mbx_flags);
533 break;
534 }
535
536 if (!(test_bit(ABORT_ISP_ACTIVE, &ha->dpc_flags)))
537 spin_unlock_irqrestore(&ha->mbx_reg_lock,
538 mbx_flags);
539
540 udelay(100);
541 }
542 } else
543 udelay(100);
544
545 /* Turn on master enable */
546 cmd |= PCI_COMMAND_MASTER;
547 pci_write_config_word(ha->pdev, PCI_COMMAND, cmd);
548
549 /* Disable RISC pause on FPM parity error. */
550 if (!IS_QLA2100(ha)) {
551 WRT_REG_WORD(&reg->hccr, HCCR_DISABLE_PARITY_PAUSE);
552 RD_REG_WORD(&reg->hccr); /* PCI Posting. */
553 }
554
555 spin_unlock_irqrestore(&ha->hardware_lock, flags);
556}
557
0107109e 558/**
88c26663 559 * qla24xx_reset_risc() - Perform full reset of ISP24xx RISC.
0107109e
AV		 560 * @ha: HA context
561 *
562 * Returns 0 on success.
563 */
88c26663
AV		 564static inline void
565qla24xx_reset_risc(scsi_qla_host_t *ha)
0107109e
AV		 566{
567 unsigned long flags = 0;
568 struct device_reg_24xx __iomem *reg = &ha->iobase->isp24;
569 uint32_t cnt, d2;
335a1cc9 570 uint16_t wd;
0107109e 571
0107109e
AV		 572 spin_lock_irqsave(&ha->hardware_lock, flags);
573
574 /* Reset RISC. */
575 WRT_REG_DWORD(&reg->ctrl_status, CSRX_DMA_SHUTDOWN|MWB_4096_BYTES);
576 for (cnt = 0; cnt < 30000; cnt++) {
577 if ((RD_REG_DWORD(&reg->ctrl_status) & CSRX_DMA_ACTIVE) == 0)
578 break;
579
580 udelay(10);
581 }
582
583 WRT_REG_DWORD(&reg->ctrl_status,
584 CSRX_ISP_SOFT_RESET|CSRX_DMA_SHUTDOWN|MWB_4096_BYTES);
335a1cc9 585 pci_read_config_word(ha->pdev, PCI_COMMAND, &wd);
88c26663 586
335a1cc9 587 udelay(100);
88c26663 588 /* Wait for firmware to complete NVRAM accesses. */
88c26663
AV		 589 d2 = (uint32_t) RD_REG_WORD(&reg->mailbox0);
590 for (cnt = 10000 ; cnt && d2; cnt--) {
591 udelay(5);
592 d2 = (uint32_t) RD_REG_WORD(&reg->mailbox0);
593 barrier();
594 }
595
335a1cc9 596 /* Wait for soft-reset to complete. */
0107109e
AV		 597 d2 = RD_REG_DWORD(&reg->ctrl_status);
598 for (cnt = 6000000 ; cnt && (d2 & CSRX_ISP_SOFT_RESET); cnt--) {
599 udelay(5);
600 d2 = RD_REG_DWORD(&reg->ctrl_status);
601 barrier();
602 }
603
604 WRT_REG_DWORD(&reg->hccr, HCCRX_SET_RISC_RESET);
605 RD_REG_DWORD(&reg->hccr);
606
607 WRT_REG_DWORD(&reg->hccr, HCCRX_REL_RISC_PAUSE);
608 RD_REG_DWORD(&reg->hccr);
609
610 WRT_REG_DWORD(&reg->hccr, HCCRX_CLR_RISC_RESET);
611 RD_REG_DWORD(&reg->hccr);
612
613 d2 = (uint32_t) RD_REG_WORD(&reg->mailbox0);
614 for (cnt = 6000000 ; cnt && d2; cnt--) {
615 udelay(5);
616 d2 = (uint32_t) RD_REG_WORD(&reg->mailbox0);
617 barrier();
618 }
619
620 spin_unlock_irqrestore(&ha->hardware_lock, flags);
621}
622
88c26663
AV		 623/**
624 * qla24xx_reset_chip() - Reset ISP24xx chip.
625 * @ha: HA context
626 *
627 * Returns 0 on success.
628 */
629void
630qla24xx_reset_chip(scsi_qla_host_t *ha)
631{
632 ha->isp_ops.disable_intrs(ha);
633
634 /* Perform RISC reset. */
635 qla24xx_reset_risc(ha);
636}
637
1da177e4
LT		 638/**
639 * qla2x00_chip_diag() - Test chip for proper operation.
640 * @ha: HA context
641 *
642 * Returns 0 on success.
643 */
abbd8870 644int
1da177e4
LT		 645qla2x00_chip_diag(scsi_qla_host_t *ha)
646{
647 int rval;
3d71644c 648 struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
1da177e4
LT		 649 unsigned long flags = 0;
650 uint16_t data;
651 uint32_t cnt;
652 uint16_t mb[5];
653
654 /* Assume a failed state */
655 rval = QLA_FUNCTION_FAILED;
656
657 DEBUG3(printk("scsi(%ld): Testing device at %lx.\n",
658 ha->host_no, (u_long)&reg->flash_address));
659
660 spin_lock_irqsave(&ha->hardware_lock, flags);
661
662 /* Reset ISP chip. */
663 WRT_REG_WORD(&reg->ctrl_status, CSR_ISP_SOFT_RESET);
664
665 /*
666 * We need to have a delay here since the card will not respond while
667 * in reset causing an MCA on some architectures.
668 */
669 udelay(20);
670 data = qla2x00_debounce_register(&reg->ctrl_status);
671 for (cnt = 6000000 ; cnt && (data & CSR_ISP_SOFT_RESET); cnt--) {
672 udelay(5);
673 data = RD_REG_WORD(&reg->ctrl_status);
674 barrier();
675 }
676
677 if (!cnt)
678 goto chip_diag_failed;
679
680 DEBUG3(printk("scsi(%ld): Reset register cleared by chip reset\n",
681 ha->host_no));
682
683 /* Reset RISC processor. */
684 WRT_REG_WORD(&reg->hccr, HCCR_RESET_RISC);
685 WRT_REG_WORD(&reg->hccr, HCCR_RELEASE_RISC);
686
687 /* Workaround for QLA2312 PCI parity error */
688 if (IS_QLA2100(ha) || IS_QLA2200(ha) || IS_QLA2300(ha)) {
689 data = qla2x00_debounce_register(MAILBOX_REG(ha, reg, 0));
690 for (cnt = 6000000; cnt && (data == MBS_BUSY); cnt--) {
691 udelay(5);
692 data = RD_MAILBOX_REG(ha, reg, 0);
fa2a1ce5 693 barrier();
1da177e4
LT		 694 }
695 } else
696 udelay(10);
697
698 if (!cnt)
699 goto chip_diag_failed;
700
701 /* Check product ID of chip */
702 DEBUG3(printk("scsi(%ld): Checking product ID of chip\n", ha->host_no));
703
704 mb[1] = RD_MAILBOX_REG(ha, reg, 1);
705 mb[2] = RD_MAILBOX_REG(ha, reg, 2);
706 mb[3] = RD_MAILBOX_REG(ha, reg, 3);
707 mb[4] = qla2x00_debounce_register(MAILBOX_REG(ha, reg, 4));
708 if (mb[1] != PROD_ID_1 || (mb[2] != PROD_ID_2 && mb[2] != PROD_ID_2a) ||
709 mb[3] != PROD_ID_3) {
710 qla_printk(KERN_WARNING, ha,
711 "Wrong product ID = 0x%x,0x%x,0x%x\n", mb[1], mb[2], mb[3]);
712
713 goto chip_diag_failed;
714 }
715 ha->product_id[0] = mb[1];
716 ha->product_id[1] = mb[2];
717 ha->product_id[2] = mb[3];
718 ha->product_id[3] = mb[4];
719
720 /* Adjust fw RISC transfer size */
721 if (ha->request_q_length > 1024)
722 ha->fw_transfer_size = REQUEST_ENTRY_SIZE * 1024;
723 else
724 ha->fw_transfer_size = REQUEST_ENTRY_SIZE *
725 ha->request_q_length;
726
727 if (IS_QLA2200(ha) &&
728 RD_MAILBOX_REG(ha, reg, 7) == QLA2200A_RISC_ROM_VER) {
729 /* Limit firmware transfer size with a 2200A */
730 DEBUG3(printk("scsi(%ld): Found QLA2200A chip.\n",
731 ha->host_no));
732
733 ha->fw_transfer_size = 128;
734 }
735
736 /* Wrap Incoming Mailboxes Test. */
737 spin_unlock_irqrestore(&ha->hardware_lock, flags);
738
739 DEBUG3(printk("scsi(%ld): Checking mailboxes.\n", ha->host_no));
740 rval = qla2x00_mbx_reg_test(ha);
741 if (rval) {
742 DEBUG(printk("scsi(%ld): Failed mailbox send register test\n",
743 ha->host_no));
744 qla_printk(KERN_WARNING, ha,
745 "Failed mailbox send register test\n");
746 }
747 else {
748 /* Flag a successful rval */
749 rval = QLA_SUCCESS;
750 }
751 spin_lock_irqsave(&ha->hardware_lock, flags);
752
753chip_diag_failed:
754 if (rval)
755 DEBUG2_3(printk("scsi(%ld): Chip diagnostics **** FAILED "
756 "****\n", ha->host_no));
757
758 spin_unlock_irqrestore(&ha->hardware_lock, flags);
759
760 return (rval);
761}
762
0107109e
AV		 763/**
764 * qla24xx_chip_diag() - Test ISP24xx for proper operation.
765 * @ha: HA context
766 *
767 * Returns 0 on success.
768 */
769int
770qla24xx_chip_diag(scsi_qla_host_t *ha)
771{
772 int rval;
0107109e 773
88c26663
AV		 774 /* Perform RISC reset. */
775 qla24xx_reset_risc(ha);
0107109e
AV		 776
777 ha->fw_transfer_size = REQUEST_ENTRY_SIZE * 1024;
778
779 rval = qla2x00_mbx_reg_test(ha);
780 if (rval) {
781 DEBUG(printk("scsi(%ld): Failed mailbox send register test\n",
782 ha->host_no));
783 qla_printk(KERN_WARNING, ha,
784 "Failed mailbox send register test\n");
785 } else {
786 /* Flag a successful rval */
787 rval = QLA_SUCCESS;
788 }
789
790 return rval;
791}
792
793static void
794qla2x00_alloc_fw_dump(scsi_qla_host_t *ha)
795{
796 ha->fw_dumped = 0;
797 ha->fw_dump24_len = sizeof(struct qla24xx_fw_dump);
798 ha->fw_dump24_len += (ha->fw_memory_size - 0x100000) * sizeof(uint32_t);
799 ha->fw_dump24 = vmalloc(ha->fw_dump24_len);
800 if (ha->fw_dump24)
801 qla_printk(KERN_INFO, ha, "Allocated (%d KB) for firmware "
802 "dump...\n", ha->fw_dump24_len / 1024);
803 else
804 qla_printk(KERN_WARNING, ha, "Unable to allocate (%d KB) for "
805 "firmware dump!!!\n", ha->fw_dump24_len / 1024);
806}
807
1da177e4
LT		 808/**
809 * qla2x00_resize_request_q() - Resize request queue given available ISP memory.
810 * @ha: HA context
811 *
812 * Returns 0 on success.
813 */
814static void
815qla2x00_resize_request_q(scsi_qla_host_t *ha)
816{
817 int rval;
818 uint16_t fw_iocb_cnt = 0;
819 uint16_t request_q_length = REQUEST_ENTRY_CNT_2XXX_EXT_MEM;
820 dma_addr_t request_dma;
821 request_t *request_ring;
822
823 /* Valid only on recent ISPs. */
824 if (IS_QLA2100(ha) || IS_QLA2200(ha))
825 return;
826
0107109e
AV		 827 if (IS_QLA24XX(ha) || IS_QLA25XX(ha))
828 qla2x00_alloc_fw_dump(ha);
829
1da177e4
LT		 830 /* Retrieve IOCB counts available to the firmware. */
831 rval = qla2x00_get_resource_cnts(ha, NULL, NULL, NULL, &fw_iocb_cnt);
832 if (rval)
833 return;
834 /* No point in continuing if current settings are sufficient. */
835 if (fw_iocb_cnt < 1024)
836 return;
837 if (ha->request_q_length >= request_q_length)
838 return;
839
840 /* Attempt to claim larger area for request queue. */
841 request_ring = dma_alloc_coherent(&ha->pdev->dev,
842 (request_q_length + 1) * sizeof(request_t), &request_dma,
843 GFP_KERNEL);
844 if (request_ring == NULL)
845 return;
846
847 /* Resize successful, report extensions. */
848 qla_printk(KERN_INFO, ha, "Extended memory detected (%d KB)...\n",
849 (ha->fw_memory_size + 1) / 1024);
850 qla_printk(KERN_INFO, ha, "Resizing request queue depth "
851 "(%d -> %d)...\n", ha->request_q_length, request_q_length);
852
853 /* Clear old allocations. */
854 dma_free_coherent(&ha->pdev->dev,
855 (ha->request_q_length + 1) * sizeof(request_t), ha->request_ring,
856 ha->request_dma);
857
858 /* Begin using larger queue. */
859 ha->request_q_length = request_q_length;
860 ha->request_ring = request_ring;
861 ha->request_dma = request_dma;
862}
863
864/**
865 * qla2x00_setup_chip() - Load and start RISC firmware.
866 * @ha: HA context
867 *
868 * Returns 0 on success.
869 */
870static int
871qla2x00_setup_chip(scsi_qla_host_t *ha)
872{
0107109e
AV		 873 int rval;
874 uint32_t srisc_address = 0;
1da177e4
LT		 875
876 /* Load firmware sequences */
0107109e
AV		 877 rval = ha->isp_ops.load_risc(ha, &srisc_address);
878 if (rval == QLA_SUCCESS) {
1da177e4
LT		 879 DEBUG(printk("scsi(%ld): Verifying Checksum of loaded RISC "
880 "code.\n", ha->host_no));
881
0107109e 882 rval = qla2x00_verify_checksum(ha, srisc_address);
1da177e4
LT		 883 if (rval == QLA_SUCCESS) {
884 /* Start firmware execution. */
885 DEBUG(printk("scsi(%ld): Checksum OK, start "
886 "firmware.\n", ha->host_no));
887
0107109e 888 rval = qla2x00_execute_fw(ha, srisc_address);
1da177e4
LT		 889 /* Retrieve firmware information. */
890 if (rval == QLA_SUCCESS && ha->fw_major_version == 0) {
891 qla2x00_get_fw_version(ha,
892 &ha->fw_major_version,
893 &ha->fw_minor_version,
894 &ha->fw_subminor_version,
895 &ha->fw_attributes, &ha->fw_memory_size);
896 qla2x00_resize_request_q(ha);
897 }
898 } else {
899 DEBUG2(printk(KERN_INFO
900 "scsi(%ld): ISP Firmware failed checksum.\n",
901 ha->host_no));
902 }
903 }
904
905 if (rval) {
906 DEBUG2_3(printk("scsi(%ld): Setup chip **** FAILED ****.\n",
907 ha->host_no));
908 }
909
910 return (rval);
911}
912
913/**
914 * qla2x00_init_response_q_entries() - Initializes response queue entries.
915 * @ha: HA context
916 *
917 * Beginning of request ring has initialization control block already built
918 * by nvram config routine.
919 *
920 * Returns 0 on success.
921 */
922static void
923qla2x00_init_response_q_entries(scsi_qla_host_t *ha)
924{
925 uint16_t cnt;
926 response_t *pkt;
927
928 pkt = ha->response_ring_ptr;
929 for (cnt = 0; cnt < ha->response_q_length; cnt++) {
930 pkt->signature = RESPONSE_PROCESSED;
931 pkt++;
932 }
933
934}
935
936/**
937 * qla2x00_update_fw_options() - Read and process firmware options.
938 * @ha: HA context
939 *
940 * Returns 0 on success.
941 */
abbd8870 942void
1da177e4
LT		 943qla2x00_update_fw_options(scsi_qla_host_t *ha)
944{
945 uint16_t swing, emphasis, tx_sens, rx_sens;
946
947 memset(ha->fw_options, 0, sizeof(ha->fw_options));
948 qla2x00_get_fw_options(ha, ha->fw_options);
949
950 if (IS_QLA2100(ha) || IS_QLA2200(ha))
951 return;
952
953 /* Serial Link options. */
954 DEBUG3(printk("scsi(%ld): Serial link options:\n",
955 ha->host_no));
956 DEBUG3(qla2x00_dump_buffer((uint8_t *)&ha->fw_seriallink_options,
957 sizeof(ha->fw_seriallink_options)));
958
959 ha->fw_options[1] &= ~FO1_SET_EMPHASIS_SWING;
960 if (ha->fw_seriallink_options[3] & BIT_2) {
961 ha->fw_options[1] |= FO1_SET_EMPHASIS_SWING;
962
963 /* 1G settings */
964 swing = ha->fw_seriallink_options[2] & (BIT_2 | BIT_1 | BIT_0);
965 emphasis = (ha->fw_seriallink_options[2] &
966 (BIT_4 | BIT_3)) >> 3;
967 tx_sens = ha->fw_seriallink_options[0] &
fa2a1ce5 968 (BIT_3 | BIT_2 | BIT_1 | BIT_0);
1da177e4
LT		 969 rx_sens = (ha->fw_seriallink_options[0] &
970 (BIT_7 | BIT_6 | BIT_5 | BIT_4)) >> 4;
971 ha->fw_options[10] = (emphasis << 14) | (swing << 8);
972 if (IS_QLA2300(ha) || IS_QLA2312(ha) || IS_QLA6312(ha)) {
973 if (rx_sens == 0x0)
974 rx_sens = 0x3;
975 ha->fw_options[10] |= (tx_sens << 4) | rx_sens;
976 } else if (IS_QLA2322(ha) || IS_QLA6322(ha))
977 ha->fw_options[10] |= BIT_5 |
978 ((rx_sens & (BIT_1 | BIT_0)) << 2) |
979 (tx_sens & (BIT_1 | BIT_0));
980
981 /* 2G settings */
982 swing = (ha->fw_seriallink_options[2] &
983 (BIT_7 | BIT_6 | BIT_5)) >> 5;
984 emphasis = ha->fw_seriallink_options[3] & (BIT_1 | BIT_0);
985 tx_sens = ha->fw_seriallink_options[1] &
fa2a1ce5 986 (BIT_3 | BIT_2 | BIT_1 | BIT_0);
1da177e4
LT		 987 rx_sens = (ha->fw_seriallink_options[1] &
988 (BIT_7 | BIT_6 | BIT_5 | BIT_4)) >> 4;
989 ha->fw_options[11] = (emphasis << 14) | (swing << 8);
990 if (IS_QLA2300(ha) || IS_QLA2312(ha) || IS_QLA6312(ha)) {
991 if (rx_sens == 0x0)
992 rx_sens = 0x3;
993 ha->fw_options[11] |= (tx_sens << 4) | rx_sens;
994 } else if (IS_QLA2322(ha) || IS_QLA6322(ha))
995 ha->fw_options[11] |= BIT_5 |
996 ((rx_sens & (BIT_1 | BIT_0)) << 2) |
997 (tx_sens & (BIT_1 | BIT_0));
998 }
999
1000 /* FCP2 options. */
1001 /* Return command IOCBs without waiting for an ABTS to complete. */
1002 ha->fw_options[3] |= BIT_13;
1003
1004 /* LED scheme. */
1005 if (ha->flags.enable_led_scheme)
1006 ha->fw_options[2] |= BIT_12;
1007
1008 /* Update firmware options. */
1009 qla2x00_set_fw_options(ha, ha->fw_options);
1010}
1011
0107109e
AV		 1012void
1013qla24xx_update_fw_options(scsi_qla_host_t *ha)
1014{
1015 int rval;
1016
1017 /* Update Serial Link options. */
1018 if ((ha->fw_seriallink_options24[0] & BIT_0) == 0)
1019 return;
1020
1021 rval = qla2x00_set_serdes_params(ha, ha->fw_seriallink_options24[1],
1022 ha->fw_seriallink_options24[2], ha->fw_seriallink_options24[3]);
1023 if (rval != QLA_SUCCESS) {
1024 qla_printk(KERN_WARNING, ha,
1025 "Unable to update Serial Link options (%x).\n", rval);
1026 }
1027}
1028
abbd8870
AV		 1029void
1030qla2x00_config_rings(struct scsi_qla_host *ha)
1031{
3d71644c 1032 struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
abbd8870
AV		 1033
1034 /* Setup ring parameters in initialization control block. */
1035 ha->init_cb->request_q_outpointer = __constant_cpu_to_le16(0);
1036 ha->init_cb->response_q_inpointer = __constant_cpu_to_le16(0);
1037 ha->init_cb->request_q_length = cpu_to_le16(ha->request_q_length);
1038 ha->init_cb->response_q_length = cpu_to_le16(ha->response_q_length);
1039 ha->init_cb->request_q_address[0] = cpu_to_le32(LSD(ha->request_dma));
1040 ha->init_cb->request_q_address[1] = cpu_to_le32(MSD(ha->request_dma));
1041 ha->init_cb->response_q_address[0] = cpu_to_le32(LSD(ha->response_dma));
1042 ha->init_cb->response_q_address[1] = cpu_to_le32(MSD(ha->response_dma));
1043
1044 WRT_REG_WORD(ISP_REQ_Q_IN(ha, reg), 0);
1045 WRT_REG_WORD(ISP_REQ_Q_OUT(ha, reg), 0);
1046 WRT_REG_WORD(ISP_RSP_Q_IN(ha, reg), 0);
1047 WRT_REG_WORD(ISP_RSP_Q_OUT(ha, reg), 0);
1048 RD_REG_WORD(ISP_RSP_Q_OUT(ha, reg)); /* PCI Posting. */
1049}
1050
0107109e
AV		 1051void
1052qla24xx_config_rings(struct scsi_qla_host *ha)
1053{
1054 struct device_reg_24xx __iomem *reg = &ha->iobase->isp24;
1055 struct init_cb_24xx *icb;
1056
1057 /* Setup ring parameters in initialization control block. */
1058 icb = (struct init_cb_24xx *)ha->init_cb;
1059 icb->request_q_outpointer = __constant_cpu_to_le16(0);
1060 icb->response_q_inpointer = __constant_cpu_to_le16(0);
1061 icb->request_q_length = cpu_to_le16(ha->request_q_length);
1062 icb->response_q_length = cpu_to_le16(ha->response_q_length);
1063 icb->request_q_address[0] = cpu_to_le32(LSD(ha->request_dma));
1064 icb->request_q_address[1] = cpu_to_le32(MSD(ha->request_dma));
1065 icb->response_q_address[0] = cpu_to_le32(LSD(ha->response_dma));
1066 icb->response_q_address[1] = cpu_to_le32(MSD(ha->response_dma));
1067
1068 WRT_REG_DWORD(&reg->req_q_in, 0);
1069 WRT_REG_DWORD(&reg->req_q_out, 0);
1070 WRT_REG_DWORD(&reg->rsp_q_in, 0);
1071 WRT_REG_DWORD(&reg->rsp_q_out, 0);
1072 RD_REG_DWORD(&reg->rsp_q_out);
1073}
1074
1da177e4
LT		 1075/**
1076 * qla2x00_init_rings() - Initializes firmware.
1077 * @ha: HA context
1078 *
1079 * Beginning of request ring has initialization control block already built
1080 * by nvram config routine.
1081 *
1082 * Returns 0 on success.
1083 */
1084static int
1085qla2x00_init_rings(scsi_qla_host_t *ha)
1086{
1087 int rval;
1088 unsigned long flags = 0;
1089 int cnt;
1da177e4
LT		 1090
1091 spin_lock_irqsave(&ha->hardware_lock, flags);
1092
1093 /* Clear outstanding commands array. */
1094 for (cnt = 0; cnt < MAX_OUTSTANDING_COMMANDS; cnt++)
1095 ha->outstanding_cmds[cnt] = NULL;
1096
1097 ha->current_outstanding_cmd = 0;
1098
1099 /* Clear RSCN queue. */
1100 ha->rscn_in_ptr = 0;
1101 ha->rscn_out_ptr = 0;
1102
1103 /* Initialize firmware. */
1104 ha->request_ring_ptr = ha->request_ring;
1105 ha->req_ring_index = 0;
1106 ha->req_q_cnt = ha->request_q_length;
1107 ha->response_ring_ptr = ha->response_ring;
1108 ha->rsp_ring_index = 0;
1109
1da177e4
LT		 1110 /* Initialize response queue entries */
1111 qla2x00_init_response_q_entries(ha);
1112
abbd8870 1113 ha->isp_ops.config_rings(ha);
1da177e4
LT		 1114
1115 spin_unlock_irqrestore(&ha->hardware_lock, flags);
1116
1117 /* Update any ISP specific firmware options before initialization. */
abbd8870 1118 ha->isp_ops.update_fw_options(ha);
1da177e4
LT		 1119
1120 DEBUG(printk("scsi(%ld): Issue init firmware.\n", ha->host_no));
0107109e 1121 rval = qla2x00_init_firmware(ha, ha->init_cb_size);
1da177e4
LT		 1122 if (rval) {
1123 DEBUG2_3(printk("scsi(%ld): Init firmware **** FAILED ****.\n",
1124 ha->host_no));
1125 } else {
1126 DEBUG3(printk("scsi(%ld): Init firmware -- success.\n",
1127 ha->host_no));
1128 }
1129
1130 return (rval);
1131}
1132
1133/**
1134 * qla2x00_fw_ready() - Waits for firmware ready.
1135 * @ha: HA context
1136 *
1137 * Returns 0 on success.
1138 */
1139static int
1140qla2x00_fw_ready(scsi_qla_host_t *ha)
1141{
1142 int rval;
1143 unsigned long wtime, mtime;
1144 uint16_t min_wait; /* Minimum wait time if loop is down */
1145 uint16_t wait_time; /* Wait time if loop is coming ready */
1146 uint16_t fw_state;
1147
1148 rval = QLA_SUCCESS;
1149
1150 /* 20 seconds for loop down. */
fa2a1ce5 1151 min_wait = 20;
1da177e4
LT		 1152
1153 /*
1154 * Firmware should take at most one RATOV to login, plus 5 seconds for
1155 * our own processing.
1156 */
1157 if ((wait_time = (ha->retry_count*ha->login_timeout) + 5) < min_wait) {
1158 wait_time = min_wait;
1159 }
1160
1161 /* Min wait time if loop down */
1162 mtime = jiffies + (min_wait * HZ);
1163
1164 /* wait time before firmware ready */
1165 wtime = jiffies + (wait_time * HZ);
1166
1167 /* Wait for ISP to finish LIP */
1168 if (!ha->flags.init_done)
1169 qla_printk(KERN_INFO, ha, "Waiting for LIP to complete...\n");
1170
1171 DEBUG3(printk("scsi(%ld): Waiting for LIP to complete...\n",
1172 ha->host_no));
1173
1174 do {
1175 rval = qla2x00_get_firmware_state(ha, &fw_state);
1176 if (rval == QLA_SUCCESS) {
1177 if (fw_state < FSTATE_LOSS_OF_SYNC) {
1178 ha->device_flags &= ~DFLG_NO_CABLE;
1179 }
1180 if (fw_state == FSTATE_READY) {
1181 DEBUG(printk("scsi(%ld): F/W Ready - OK \n",
1182 ha->host_no));
1183
1184 qla2x00_get_retry_cnt(ha, &ha->retry_count,
1185 &ha->login_timeout, &ha->r_a_tov);
1186
1187 rval = QLA_SUCCESS;
1188 break;
1189 }
1190
1191 rval = QLA_FUNCTION_FAILED;
1192
1193 if (atomic_read(&ha->loop_down_timer) &&
1194 (fw_state >= FSTATE_LOSS_OF_SYNC ||
1195 fw_state == FSTATE_WAIT_AL_PA)) {
1196 /* Loop down. Timeout on min_wait for states
fa2a1ce5
AV		 1197 * other than Wait for Login.
1198 */
1da177e4
LT		 1199 if (time_after_eq(jiffies, mtime)) {
1200 qla_printk(KERN_INFO, ha,
1201 "Cable is unplugged...\n");
1202
1203 ha->device_flags |= DFLG_NO_CABLE;
1204 break;
1205 }
1206 }
1207 } else {
1208 /* Mailbox cmd failed. Timeout on min_wait. */
1209 if (time_after_eq(jiffies, mtime))
1210 break;
1211 }
1212
1213 if (time_after_eq(jiffies, wtime))
1214 break;
1215
1216 /* Delay for a while */
1217 msleep(500);
1218
1219 DEBUG3(printk("scsi(%ld): fw_state=%x curr time=%lx.\n",
1220 ha->host_no, fw_state, jiffies));
1221 } while (1);
1222
1223 DEBUG(printk("scsi(%ld): fw_state=%x curr time=%lx.\n",
1224 ha->host_no, fw_state, jiffies));
1225
1226 if (rval) {
1227 DEBUG2_3(printk("scsi(%ld): Firmware ready **** FAILED ****.\n",
1228 ha->host_no));
1229 }
1230
1231 return (rval);
1232}
1233
1234/*
1235* qla2x00_configure_hba
1236* Setup adapter context.
1237*
1238* Input:
1239* ha = adapter state pointer.
1240*
1241* Returns:
1242* 0 = success
1243*
1244* Context:
1245* Kernel context.
1246*/
1247static int
1248qla2x00_configure_hba(scsi_qla_host_t *ha)
1249{
1250 int rval;
1251 uint16_t loop_id;
1252 uint16_t topo;
1253 uint8_t al_pa;
1254 uint8_t area;
1255 uint8_t domain;
1256 char connect_type[22];
1257
1258 /* Get host addresses. */
1259 rval = qla2x00_get_adapter_id(ha,
1260 &loop_id, &al_pa, &area, &domain, &topo);
1261 if (rval != QLA_SUCCESS) {
33135aa2
RA		 1262 if (LOOP_NOT_READY(ha) || atomic_read(&ha->loop_down_timer) ||
1263 (rval == QLA_COMMAND_ERROR && loop_id == 0x7)) {
1264 DEBUG2(printk("%s(%ld) Loop is in a transition state\n",
1265 __func__, ha->host_no));
1266 } else {
1267 qla_printk(KERN_WARNING, ha,
1268 "ERROR -- Unable to get host loop ID.\n");
1269 set_bit(ISP_ABORT_NEEDED, &ha->dpc_flags);
1270 }
1da177e4
LT		 1271 return (rval);
1272 }
1273
1274 if (topo == 4) {
1275 qla_printk(KERN_INFO, ha,
1276 "Cannot get topology - retrying.\n");
1277 return (QLA_FUNCTION_FAILED);
1278 }
1279
1280 ha->loop_id = loop_id;
1281
1282 /* initialize */
1283 ha->min_external_loopid = SNS_FIRST_LOOP_ID;
1284 ha->operating_mode = LOOP;
1285
1286 switch (topo) {
1287 case 0:
1288 DEBUG3(printk("scsi(%ld): HBA in NL topology.\n",
1289 ha->host_no));
1290 ha->current_topology = ISP_CFG_NL;
1291 strcpy(connect_type, "(Loop)");
1292 break;
1293
1294 case 1:
1295 DEBUG3(printk("scsi(%ld): HBA in FL topology.\n",
1296 ha->host_no));
1297 ha->current_topology = ISP_CFG_FL;
1298 strcpy(connect_type, "(FL_Port)");
1299 break;
1300
1301 case 2:
1302 DEBUG3(printk("scsi(%ld): HBA in N P2P topology.\n",
1303 ha->host_no));
1304 ha->operating_mode = P2P;
1305 ha->current_topology = ISP_CFG_N;
1306 strcpy(connect_type, "(N_Port-to-N_Port)");
1307 break;
1308
1309 case 3:
1310 DEBUG3(printk("scsi(%ld): HBA in F P2P topology.\n",
1311 ha->host_no));
1312 ha->operating_mode = P2P;
1313 ha->current_topology = ISP_CFG_F;
1314 strcpy(connect_type, "(F_Port)");
1315 break;
1316
1317 default:
1318 DEBUG3(printk("scsi(%ld): HBA in unknown topology %x. "
1319 "Using NL.\n",
1320 ha->host_no, topo));
1321 ha->current_topology = ISP_CFG_NL;
1322 strcpy(connect_type, "(Loop)");
1323 break;
1324 }
1325
1326 /* Save Host port and loop ID. */
1327 /* byte order - Big Endian */
1328 ha->d_id.b.domain = domain;
1329 ha->d_id.b.area = area;
1330 ha->d_id.b.al_pa = al_pa;
1331
1332 if (!ha->flags.init_done)
1333 qla_printk(KERN_INFO, ha,
1334 "Topology - %s, Host Loop address 0x%x\n",
1335 connect_type, ha->loop_id);
1336
1337 if (rval) {
1338 DEBUG2_3(printk("scsi(%ld): FAILED.\n", ha->host_no));
1339 } else {
1340 DEBUG3(printk("scsi(%ld): exiting normally.\n", ha->host_no));
1341 }
1342
1343 return(rval);
1344}
1345
1346/*
1347* NVRAM configuration for ISP 2xxx
1348*
1349* Input:
1350* ha = adapter block pointer.
1351*
1352* Output:
1353* initialization control block in response_ring
1354* host adapters parameters in host adapter block
1355*
1356* Returns:
1357* 0 = success.
1358*/
abbd8870 1359int
1da177e4
LT		 1360qla2x00_nvram_config(scsi_qla_host_t *ha)
1361{
0107109e
AV		 1362 int rval;
1363 uint8_t chksum = 0;
1364 uint16_t cnt;
1365 uint8_t *dptr1, *dptr2;
1366 init_cb_t *icb = ha->init_cb;
1367 nvram_t *nv = (nvram_t *)ha->request_ring;
1368 uint8_t *ptr = (uint8_t *)ha->request_ring;
3d71644c 1369 struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
1da177e4
LT		 1370
1371 rval = QLA_SUCCESS;
1372
1373 /* Determine NVRAM starting address. */
0107109e 1374 ha->nvram_size = sizeof(nvram_t);
1da177e4
LT		 1375 ha->nvram_base = 0;
1376 if (!IS_QLA2100(ha) && !IS_QLA2200(ha) && !IS_QLA2300(ha))
1377 if ((RD_REG_WORD(&reg->ctrl_status) >> 14) == 1)
1378 ha->nvram_base = 0x80;
1379
1380 /* Get NVRAM data and calculate checksum. */
0107109e
AV		 1381 ha->isp_ops.read_nvram(ha, ptr, ha->nvram_base, ha->nvram_size);
1382 for (cnt = 0, chksum = 0; cnt < ha->nvram_size; cnt++)
1383 chksum += *ptr++;
1da177e4
LT		 1384
1385 DEBUG5(printk("scsi(%ld): Contents of NVRAM\n", ha->host_no));
1386 DEBUG5(qla2x00_dump_buffer((uint8_t *)ha->request_ring,
0107109e 1387 ha->nvram_size));
1da177e4
LT		 1388
1389 /* Bad NVRAM data, set defaults parameters. */
1390 if (chksum || nv->id[0] != 'I' || nv->id[1] != 'S' ||
1391 nv->id[2] != 'P' || nv->id[3] != ' ' || nv->nvram_version < 1) {
1392 /* Reset NVRAM data. */
1393 qla_printk(KERN_WARNING, ha, "Inconsistent NVRAM detected: "
1394 "checksum=0x%x id=%c version=0x%x.\n", chksum, nv->id[0],
1395 nv->nvram_version);
1396 qla_printk(KERN_WARNING, ha, "Falling back to functioning (yet "
1397 "invalid -- WWPN) defaults.\n");
1398
1399 /*
1400 * Set default initialization control block.
1401 */
0107109e 1402 memset(nv, 0, ha->nvram_size);
1da177e4
LT		 1403 nv->parameter_block_version = ICB_VERSION;
1404
1405 if (IS_QLA23XX(ha)) {
1406 nv->firmware_options[0] = BIT_2 | BIT_1;
1407 nv->firmware_options[1] = BIT_7 | BIT_5;
1408 nv->add_firmware_options[0] = BIT_5;
1409 nv->add_firmware_options[1] = BIT_5 | BIT_4;
1410 nv->frame_payload_size = __constant_cpu_to_le16(2048);
1411 nv->special_options[1] = BIT_7;
1412 } else if (IS_QLA2200(ha)) {
1413 nv->firmware_options[0] = BIT_2 | BIT_1;
1414 nv->firmware_options[1] = BIT_7 | BIT_5;
1415 nv->add_firmware_options[0] = BIT_5;
1416 nv->add_firmware_options[1] = BIT_5 | BIT_4;
1417 nv->frame_payload_size = __constant_cpu_to_le16(1024);
1418 } else if (IS_QLA2100(ha)) {
1419 nv->firmware_options[0] = BIT_3 | BIT_1;
1420 nv->firmware_options[1] = BIT_5;
1421 nv->frame_payload_size = __constant_cpu_to_le16(1024);
1422 }
1423
1424 nv->max_iocb_allocation = __constant_cpu_to_le16(256);
1425 nv->execution_throttle = __constant_cpu_to_le16(16);
1426 nv->retry_count = 8;
1427 nv->retry_delay = 1;
1428
1429 nv->port_name[0] = 33;
1430 nv->port_name[3] = 224;
1431 nv->port_name[4] = 139;
1432
1433 nv->login_timeout = 4;
1434
1435 /*
1436 * Set default host adapter parameters
1437 */
1438 nv->host_p[1] = BIT_2;
1439 nv->reset_delay = 5;
1440 nv->port_down_retry_count = 8;
1441 nv->max_luns_per_target = __constant_cpu_to_le16(8);
1442 nv->link_down_timeout = 60;
1443
1444 rval = 1;
1445 }
1446
1447#if defined(CONFIG_IA64_GENERIC) || defined(CONFIG_IA64_SGI_SN2)
1448 /*
1449 * The SN2 does not provide BIOS emulation which means you can't change
1450 * potentially bogus BIOS settings. Force the use of default settings
1451 * for link rate and frame size. Hope that the rest of the settings
1452 * are valid.
1453 */
1454 if (ia64_platform_is("sn2")) {
1455 nv->frame_payload_size = __constant_cpu_to_le16(2048);
1456 if (IS_QLA23XX(ha))
1457 nv->special_options[1] = BIT_7;
1458 }
1459#endif
1460
1461 /* Reset Initialization control block */
0107109e 1462 memset(icb, 0, ha->init_cb_size);
1da177e4
LT		 1463
1464 /*
1465 * Setup driver NVRAM options.
1466 */
1467 nv->firmware_options[0] |= (BIT_6 | BIT_1);
1468 nv->firmware_options[0] &= ~(BIT_5 | BIT_4);
1469 nv->firmware_options[1] |= (BIT_5 | BIT_0);
1470 nv->firmware_options[1] &= ~BIT_4;
1471
1472 if (IS_QLA23XX(ha)) {
1473 nv->firmware_options[0] |= BIT_2;
1474 nv->firmware_options[0] &= ~BIT_3;
0107109e 1475 nv->add_firmware_options[1] |= BIT_5 | BIT_4;
1da177e4
LT		 1476
1477 if (IS_QLA2300(ha)) {
1478 if (ha->fb_rev == FPM_2310) {
1479 strcpy(ha->model_number, "QLA2310");
1480 } else {
1481 strcpy(ha->model_number, "QLA2300");
1482 }
1483 } else {
1484 if (rval == 0 &&
1485 memcmp(nv->model_number, BINZERO,
1486 sizeof(nv->model_number)) != 0) {
1487 char *st, *en;
1488
1489 strncpy(ha->model_number, nv->model_number,
1490 sizeof(nv->model_number));
1491 st = en = ha->model_number;
1492 en += sizeof(nv->model_number) - 1;
1493 while (en > st) {
1494 if (*en != 0x20 && *en != 0x00)
1495 break;
1496 *en-- = '\0';
1497 }
1498 } else {
1499 uint16_t index;
1500
1501 index = (ha->pdev->subsystem_device & 0xff);
1502 if (index < QLA_MODEL_NAMES) {
1503 strcpy(ha->model_number,
1504 qla2x00_model_name[index]);
1505 ha->model_desc =
1506 qla2x00_model_desc[index];
1507 } else {
1508 strcpy(ha->model_number, "QLA23xx");
1509 }
1510 }
1511 }
1512 } else if (IS_QLA2200(ha)) {
1513 nv->firmware_options[0] |= BIT_2;
1514 /*
1515 * 'Point-to-point preferred, else loop' is not a safe
1516 * connection mode setting.
1517 */
1518 if ((nv->add_firmware_options[0] & (BIT_6 | BIT_5 | BIT_4)) ==
1519 (BIT_5 | BIT_4)) {
1520 /* Force 'loop preferred, else point-to-point'. */
1521 nv->add_firmware_options[0] &= ~(BIT_6 | BIT_5 | BIT_4);
1522 nv->add_firmware_options[0] |= BIT_5;
1523 }
1524 strcpy(ha->model_number, "QLA22xx");
1525 } else /*if (IS_QLA2100(ha))*/ {
1526 strcpy(ha->model_number, "QLA2100");
1527 }
1528
1529 /*
1530 * Copy over NVRAM RISC parameter block to initialization control block.
1531 */
1532 dptr1 = (uint8_t *)icb;
1533 dptr2 = (uint8_t *)&nv->parameter_block_version;
1534 cnt = (uint8_t *)&icb->request_q_outpointer - (uint8_t *)&icb->version;
1535 while (cnt--)
1536 *dptr1++ = *dptr2++;
1537
1538 /* Copy 2nd half. */
1539 dptr1 = (uint8_t *)icb->add_firmware_options;
1540 cnt = (uint8_t *)icb->reserved_3 - (uint8_t *)icb->add_firmware_options;
1541 while (cnt--)
1542 *dptr1++ = *dptr2++;
1543
1544 /* Prepare nodename */
1545 if ((icb->firmware_options[1] & BIT_6) == 0) {
1546 /*
1547 * Firmware will apply the following mask if the nodename was
1548 * not provided.
1549 */
1550 memcpy(icb->node_name, icb->port_name, WWN_SIZE);
1551 icb->node_name[0] &= 0xF0;
1552 }
1553
1554 /*
1555 * Set host adapter parameters.
1556 */
1da177e4
LT		 1557 ha->flags.disable_risc_code_load = ((nv->host_p[0] & BIT_4) ? 1 : 0);
1558 /* Always load RISC code on non ISP2[12]00 chips. */
1559 if (!IS_QLA2100(ha) && !IS_QLA2200(ha))
1560 ha->flags.disable_risc_code_load = 0;
1561 ha->flags.enable_lip_reset = ((nv->host_p[1] & BIT_1) ? 1 : 0);
1562 ha->flags.enable_lip_full_login = ((nv->host_p[1] & BIT_2) ? 1 : 0);
1563 ha->flags.enable_target_reset = ((nv->host_p[1] & BIT_3) ? 1 : 0);
06c22bd1 1564 ha->flags.enable_led_scheme = (nv->special_options[1] & BIT_4) ? 1 : 0;
1da177e4
LT		 1565
1566 ha->operating_mode =
1567 (icb->add_firmware_options[0] & (BIT_6 | BIT_5 | BIT_4)) >> 4;
1568
1569 memcpy(ha->fw_seriallink_options, nv->seriallink_options,
1570 sizeof(ha->fw_seriallink_options));
1571
1572 /* save HBA serial number */
1573 ha->serial0 = icb->port_name[5];
1574 ha->serial1 = icb->port_name[6];
1575 ha->serial2 = icb->port_name[7];
3d71644c
AV		 1576 ha->node_name = icb->node_name;
1577 ha->port_name = icb->port_name;
1da177e4
LT		 1578
1579 icb->execution_throttle = __constant_cpu_to_le16(0xFFFF);
1580
1581 ha->retry_count = nv->retry_count;
1582
1583 /* Set minimum login_timeout to 4 seconds. */
1584 if (nv->login_timeout < ql2xlogintimeout)
1585 nv->login_timeout = ql2xlogintimeout;
1586 if (nv->login_timeout < 4)
1587 nv->login_timeout = 4;
1588 ha->login_timeout = nv->login_timeout;
1589 icb->login_timeout = nv->login_timeout;
1590
1591 /* Set minimum RATOV to 200 tenths of a second. */
1592 ha->r_a_tov = 200;
1593
1da177e4
LT		 1594 ha->loop_reset_delay = nv->reset_delay;
1595
1da177e4
LT		 1596 /* Link Down Timeout = 0:
1597 *
1598 * When Port Down timer expires we will start returning
1599 * I/O's to OS with "DID_NO_CONNECT".
1600 *
1601 * Link Down Timeout != 0:
1602 *
1603 * The driver waits for the link to come up after link down
1604 * before returning I/Os to OS with "DID_NO_CONNECT".
fa2a1ce5 1605 */
1da177e4
LT		 1606 if (nv->link_down_timeout == 0) {
1607 ha->loop_down_abort_time =
354d6b21 1608 (LOOP_DOWN_TIME - LOOP_DOWN_TIMEOUT);
1da177e4
LT		 1609 } else {
1610 ha->link_down_timeout = nv->link_down_timeout;
1611 ha->loop_down_abort_time =
1612 (LOOP_DOWN_TIME - ha->link_down_timeout);
fa2a1ce5 1613 }
1da177e4 1614
1da177e4
LT		 1615 /*
1616 * Need enough time to try and get the port back.
1617 */
1618 ha->port_down_retry_count = nv->port_down_retry_count;
1619 if (qlport_down_retry)
1620 ha->port_down_retry_count = qlport_down_retry;
1621 /* Set login_retry_count */
1622 ha->login_retry_count = nv->retry_count;
1623 if (ha->port_down_retry_count == nv->port_down_retry_count &&
1624 ha->port_down_retry_count > 3)
1625 ha->login_retry_count = ha->port_down_retry_count;
1626 else if (ha->port_down_retry_count > (int)ha->login_retry_count)
1627 ha->login_retry_count = ha->port_down_retry_count;
1628 if (ql2xloginretrycount)
1629 ha->login_retry_count = ql2xloginretrycount;
1630
1da177e4
LT		 1631 icb->lun_enables = __constant_cpu_to_le16(0);
1632 icb->command_resource_count = 0;
1633 icb->immediate_notify_resource_count = 0;
1634 icb->timeout = __constant_cpu_to_le16(0);
1635
1636 if (IS_QLA2100(ha) || IS_QLA2200(ha)) {
1637 /* Enable RIO */
1638 icb->firmware_options[0] &= ~BIT_3;
1639 icb->add_firmware_options[0] &=
1640 ~(BIT_3 | BIT_2 | BIT_1 | BIT_0);
1641 icb->add_firmware_options[0] |= BIT_2;
1642 icb->response_accumulation_timer = 3;
1643 icb->interrupt_delay_timer = 5;
1644
1645 ha->flags.process_response_queue = 1;
1646 } else {
4fdfefe5
AV		 1647 /* Enable ZIO. */
1648 if (!ha->flags.init_done) {
1649 ha->zio_mode = icb->add_firmware_options[0] &
1650 (BIT_3 | BIT_2 | BIT_1 | BIT_0);
1651 ha->zio_timer = icb->interrupt_delay_timer ?
1652 icb->interrupt_delay_timer: 2;
1653 }
1da177e4
LT		 1654 icb->add_firmware_options[0] &=
1655 ~(BIT_3 | BIT_2 | BIT_1 | BIT_0);
4fdfefe5
AV		 1656 ha->flags.process_response_queue = 0;
1657 if (ha->zio_mode != QLA_ZIO_DISABLED) {
1658 DEBUG2(printk("scsi(%ld): ZIO mode %d enabled; timer "
1659 "delay (%d us).\n", ha->host_no, ha->zio_mode,
1660 ha->zio_timer * 100));
1da177e4 1661 qla_printk(KERN_INFO, ha,
4fdfefe5
AV		 1662 "ZIO mode %d enabled; timer delay (%d us).\n",
1663 ha->zio_mode, ha->zio_timer * 100);
1da177e4 1664
4fdfefe5
AV		 1665 icb->add_firmware_options[0] |= (uint8_t)ha->zio_mode;
1666 icb->interrupt_delay_timer = (uint8_t)ha->zio_timer;
1da177e4
LT		 1667 ha->flags.process_response_queue = 1;
1668 }
1669 }
1670
1671 if (rval) {
1672 DEBUG2_3(printk(KERN_WARNING
1673 "scsi(%ld): NVRAM configuration failed!\n", ha->host_no));
1674 }
1675 return (rval);
1676}
1677
19a7b4ae
JSEC		 1678static void
1679qla2x00_rport_add(void *data)
1680{
1681 fc_port_t *fcport = data;
1682
1683 qla2x00_reg_remote_port(fcport->ha, fcport);
1684}
1685
1686static void
1687qla2x00_rport_del(void *data)
1688{
1689 fc_port_t *fcport = data;
1690
1691 if (fcport->rport)
1692 fc_remote_port_delete(fcport->rport);
1693 fcport->rport = NULL;
1694}
1695
1da177e4
LT		 1696/**
1697 * qla2x00_alloc_fcport() - Allocate a generic fcport.
1698 * @ha: HA context
1699 * @flags: allocation flags
1700 *
1701 * Returns a pointer to the allocated fcport, or NULL, if none available.
1702 */
1703fc_port_t *
c53033f6 1704qla2x00_alloc_fcport(scsi_qla_host_t *ha, gfp_t flags)
1da177e4
LT		 1705{
1706 fc_port_t *fcport;
1707
1708 fcport = kmalloc(sizeof(fc_port_t), flags);
1709 if (fcport == NULL)
1710 return (fcport);
1711
1712 /* Setup fcport template structure. */
1713 memset(fcport, 0, sizeof (fc_port_t));
1714 fcport->ha = ha;
1715 fcport->port_type = FCT_UNKNOWN;
1716 fcport->loop_id = FC_NO_LOOP_ID;
1717 fcport->iodesc_idx_sent = IODESC_INVALID_INDEX;
1718 atomic_set(&fcport->state, FCS_UNCONFIGURED);
1719 fcport->flags = FCF_RLC_SUPPORT;
ad3e0eda 1720 fcport->supported_classes = FC_COS_UNSPECIFIED;
19a7b4ae
JSEC		 1721 INIT_WORK(&fcport->rport_add_work, qla2x00_rport_add, fcport);
1722 INIT_WORK(&fcport->rport_del_work, qla2x00_rport_del, fcport);
1da177e4
LT		 1723
1724 return (fcport);
1725}
1726
1727/*
1728 * qla2x00_configure_loop
1729 * Updates Fibre Channel Device Database with what is actually on loop.
1730 *
1731 * Input:
1732 * ha = adapter block pointer.
1733 *
1734 * Returns:
1735 * 0 = success.
1736 * 1 = error.
1737 * 2 = database was full and device was not configured.
1738 */
1739static int
fa2a1ce5 1740qla2x00_configure_loop(scsi_qla_host_t *ha)
1da177e4
LT		 1741{
1742 int rval;
1743 unsigned long flags, save_flags;
1744
1745 rval = QLA_SUCCESS;
1746
1747 /* Get Initiator ID */
1748 if (test_bit(LOCAL_LOOP_UPDATE, &ha->dpc_flags)) {
1749 rval = qla2x00_configure_hba(ha);
1750 if (rval != QLA_SUCCESS) {
1751 DEBUG(printk("scsi(%ld): Unable to configure HBA.\n",
1752 ha->host_no));
1753 return (rval);
1754 }
1755 }
1756
1757 save_flags = flags = ha->dpc_flags;
1758 DEBUG(printk("scsi(%ld): Configure loop -- dpc flags =0x%lx\n",
1759 ha->host_no, flags));
1760
1761 /*
1762 * If we have both an RSCN and PORT UPDATE pending then handle them
1763 * both at the same time.
1764 */
1765 clear_bit(LOCAL_LOOP_UPDATE, &ha->dpc_flags);
1766 clear_bit(RSCN_UPDATE, &ha->dpc_flags);
1da177e4
LT		 1767
1768 /* Determine what we need to do */
1769 if (ha->current_topology == ISP_CFG_FL &&
1770 (test_bit(LOCAL_LOOP_UPDATE, &flags))) {
1771
1772 ha->flags.rscn_queue_overflow = 1;
1773 set_bit(RSCN_UPDATE, &flags);
1774
1775 } else if (ha->current_topology == ISP_CFG_F &&
1776 (test_bit(LOCAL_LOOP_UPDATE, &flags))) {
1777
1778 ha->flags.rscn_queue_overflow = 1;
1779 set_bit(RSCN_UPDATE, &flags);
1780 clear_bit(LOCAL_LOOP_UPDATE, &flags);
1781
1782 } else if (!ha->flags.online ||
1783 (test_bit(ABORT_ISP_ACTIVE, &flags))) {
1784
1785 ha->flags.rscn_queue_overflow = 1;
1786 set_bit(RSCN_UPDATE, &flags);
1787 set_bit(LOCAL_LOOP_UPDATE, &flags);
1788 }
1789
1790 if (test_bit(LOCAL_LOOP_UPDATE, &flags)) {
1791 if (test_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags)) {
1792 rval = QLA_FUNCTION_FAILED;
1793 } else {
1794 rval = qla2x00_configure_local_loop(ha);
1795 }
1796 }
1797
1798 if (rval == QLA_SUCCESS && test_bit(RSCN_UPDATE, &flags)) {
33135aa2 1799 if (LOOP_NOT_READY(ha)) {
1da177e4
LT		 1800 rval = QLA_FUNCTION_FAILED;
1801 } else {
1802 rval = qla2x00_configure_fabric(ha);
1803 }
1804 }
1805
1806 if (rval == QLA_SUCCESS) {
1807 if (atomic_read(&ha->loop_down_timer) ||
1808 test_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags)) {
1809 rval = QLA_FUNCTION_FAILED;
1810 } else {
1da177e4
LT		 1811 atomic_set(&ha->loop_state, LOOP_READY);
1812
1813 DEBUG(printk("scsi(%ld): LOOP READY\n", ha->host_no));
1814 }
1815 }
1816
1817 if (rval) {
1818 DEBUG2_3(printk("%s(%ld): *** FAILED ***\n",
1819 __func__, ha->host_no));
1820 } else {
1821 DEBUG3(printk("%s: exiting normally\n", __func__));
1822 }
1823
1824 /* Restore state if a resync event occured during processing */
1825 if (test_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags)) {
1826 if (test_bit(LOCAL_LOOP_UPDATE, &save_flags))
1827 set_bit(LOCAL_LOOP_UPDATE, &ha->dpc_flags);
1828 if (test_bit(RSCN_UPDATE, &save_flags))
1829 set_bit(RSCN_UPDATE, &ha->dpc_flags);
1830 }
1831
1832 return (rval);
1833}
1834
1835
1836
1837/*
1838 * qla2x00_configure_local_loop
1839 * Updates Fibre Channel Device Database with local loop devices.
1840 *
1841 * Input:
1842 * ha = adapter block pointer.
1843 *
1844 * Returns:
1845 * 0 = success.
1846 */
1847static int
fa2a1ce5 1848qla2x00_configure_local_loop(scsi_qla_host_t *ha)
1da177e4
LT		 1849{
1850 int rval, rval2;
1851 int found_devs;
1852 int found;
1853 fc_port_t *fcport, *new_fcport;
1854
1855 uint16_t index;
1856 uint16_t entries;
1857 char *id_iter;
1858 uint16_t loop_id;
1859 uint8_t domain, area, al_pa;
1860
1861 found_devs = 0;
1862 new_fcport = NULL;
1863 entries = MAX_FIBRE_DEVICES;
1864
1865 DEBUG3(printk("scsi(%ld): Getting FCAL position map\n", ha->host_no));
1866 DEBUG3(qla2x00_get_fcal_position_map(ha, NULL));
1867
1868 /* Get list of logged in devices. */
1869 memset(ha->gid_list, 0, GID_LIST_SIZE);
1870 rval = qla2x00_get_id_list(ha, ha->gid_list, ha->gid_list_dma,
1871 &entries);
1872 if (rval != QLA_SUCCESS)
1873 goto cleanup_allocation;
1874
1875 DEBUG3(printk("scsi(%ld): Entries in ID list (%d)\n",
1876 ha->host_no, entries));
1877 DEBUG3(qla2x00_dump_buffer((uint8_t *)ha->gid_list,
1878 entries * sizeof(struct gid_list_info)));
1879
1880 /* Allocate temporary fcport for any new fcports discovered. */
1881 new_fcport = qla2x00_alloc_fcport(ha, GFP_KERNEL);
1882 if (new_fcport == NULL) {
1883 rval = QLA_MEMORY_ALLOC_FAILED;
1884 goto cleanup_allocation;
1885 }
1886 new_fcport->flags &= ~FCF_FABRIC_DEVICE;
1887
1888 /*
1889 * Mark local devices that were present with FCF_DEVICE_LOST for now.
1890 */
1891 list_for_each_entry(fcport, &ha->fcports, list) {
1892 if (atomic_read(&fcport->state) == FCS_ONLINE &&
1893 fcport->port_type != FCT_BROADCAST &&
1894 (fcport->flags & FCF_FABRIC_DEVICE) == 0) {
1895
1896 DEBUG(printk("scsi(%ld): Marking port lost, "
1897 "loop_id=0x%04x\n",
1898 ha->host_no, fcport->loop_id));
1899
1900 atomic_set(&fcport->state, FCS_DEVICE_LOST);
1901 fcport->flags &= ~FCF_FARP_DONE;
1902 }
1903 }
1904
1905 /* Add devices to port list. */
1906 id_iter = (char *)ha->gid_list;
1907 for (index = 0; index < entries; index++) {
1908 domain = ((struct gid_list_info *)id_iter)->domain;
1909 area = ((struct gid_list_info *)id_iter)->area;
1910 al_pa = ((struct gid_list_info *)id_iter)->al_pa;
abbd8870 1911 if (IS_QLA2100(ha) || IS_QLA2200(ha))
1da177e4
LT		 1912 loop_id = (uint16_t)
1913 ((struct gid_list_info *)id_iter)->loop_id_2100;
abbd8870 1914 else
1da177e4
LT		 1915 loop_id = le16_to_cpu(
1916 ((struct gid_list_info *)id_iter)->loop_id);
abbd8870 1917 id_iter += ha->gid_list_info_size;
1da177e4
LT		 1918
1919 /* Bypass reserved domain fields. */
1920 if ((domain & 0xf0) == 0xf0)
1921 continue;
1922
1923 /* Bypass if not same domain and area of adapter. */
f7d289f6
AV		 1924 if (area && domain &&
1925 (area != ha->d_id.b.area || domain != ha->d_id.b.domain))
1da177e4
LT		 1926 continue;
1927
1928 /* Bypass invalid local loop ID. */
1929 if (loop_id > LAST_LOCAL_LOOP_ID)
1930 continue;
1931
1932 /* Fill in member data. */
1933 new_fcport->d_id.b.domain = domain;
1934 new_fcport->d_id.b.area = area;
1935 new_fcport->d_id.b.al_pa = al_pa;
1936 new_fcport->loop_id = loop_id;
1937 rval2 = qla2x00_get_port_database(ha, new_fcport, 0);
1938 if (rval2 != QLA_SUCCESS) {
1939 DEBUG2(printk("scsi(%ld): Failed to retrieve fcport "
1940 "information -- get_port_database=%x, "
1941 "loop_id=0x%04x\n",
1942 ha->host_no, rval2, new_fcport->loop_id));
1943 continue;
1944 }
1945
1946 /* Check for matching device in port list. */
1947 found = 0;
1948 fcport = NULL;
1949 list_for_each_entry(fcport, &ha->fcports, list) {
1950 if (memcmp(new_fcport->port_name, fcport->port_name,
1951 WWN_SIZE))
1952 continue;
1953
1954 fcport->flags &= ~(FCF_FABRIC_DEVICE |
1955 FCF_PERSISTENT_BOUND);
1956 fcport->loop_id = new_fcport->loop_id;
1957 fcport->port_type = new_fcport->port_type;
1958 fcport->d_id.b24 = new_fcport->d_id.b24;
1959 memcpy(fcport->node_name, new_fcport->node_name,
1960 WWN_SIZE);
1961
1962 found++;
1963 break;
1964 }
1965
1966 if (!found) {
1967 /* New device, add to fcports list. */
1968 new_fcport->flags &= ~FCF_PERSISTENT_BOUND;
1969 list_add_tail(&new_fcport->list, &ha->fcports);
1970
1971 /* Allocate a new replacement fcport. */
1972 fcport = new_fcport;
1973 new_fcport = qla2x00_alloc_fcport(ha, GFP_KERNEL);
1974 if (new_fcport == NULL) {
1975 rval = QLA_MEMORY_ALLOC_FAILED;
1976 goto cleanup_allocation;
1977 }
1978 new_fcport->flags &= ~FCF_FABRIC_DEVICE;
1979 }
1980
1981 qla2x00_update_fcport(ha, fcport);
1982
1983 found_devs++;
1984 }
1985
1986cleanup_allocation:
c9475cb0 1987 kfree(new_fcport);
1da177e4
LT		 1988
1989 if (rval != QLA_SUCCESS) {
1990 DEBUG2(printk("scsi(%ld): Configure local loop error exit: "
1991 "rval=%x\n", ha->host_no, rval));
1992 }
1993
1994 if (found_devs) {
1995 ha->device_flags |= DFLG_LOCAL_DEVICES;
1996 ha->device_flags &= ~DFLG_RETRY_LOCAL_DEVICES;
1997 }
1998
1999 return (rval);
2000}
2001
2002static void
fa2a1ce5 2003qla2x00_probe_for_all_luns(scsi_qla_host_t *ha)
1da177e4
LT		 2004{
2005 fc_port_t *fcport;
2006
fa2a1ce5 2007 qla2x00_mark_all_devices_lost(ha);
1da177e4
LT		 2008 list_for_each_entry(fcport, &ha->fcports, list) {
2009 if (fcport->port_type != FCT_TARGET)
2010 continue;
2011
fa2a1ce5 2012 qla2x00_update_fcport(ha, fcport);
1da177e4
LT		 2013 }
2014}
2015
2016/*
2017 * qla2x00_update_fcport
2018 * Updates device on list.
2019 *
2020 * Input:
2021 * ha = adapter block pointer.
2022 * fcport = port structure pointer.
2023 *
2024 * Return:
2025 * 0 - Success
2026 * BIT_0 - error
2027 *
2028 * Context:
2029 * Kernel context.
2030 */
2031static void
2032qla2x00_update_fcport(scsi_qla_host_t *ha, fc_port_t *fcport)
2033{
2034 uint16_t index;
2035 unsigned long flags;
2036 srb_t *sp;
2037
2038 fcport->ha = ha;
2039 fcport->login_retry = 0;
2040 fcport->port_login_retry_count = ha->port_down_retry_count *
2041 PORT_RETRY_TIME;
2042 atomic_set(&fcport->port_down_timer, ha->port_down_retry_count *
2043 PORT_RETRY_TIME);
2044 fcport->flags &= ~FCF_LOGIN_NEEDED;
2045
2046 /*
2047 * Check for outstanding cmd on tape Bypass LUN discovery if active
2048 * command on tape.
2049 */
2050 if (fcport->flags & FCF_TAPE_PRESENT) {
2051 spin_lock_irqsave(&ha->hardware_lock, flags);
2052 for (index = 1; index < MAX_OUTSTANDING_COMMANDS; index++) {
bdf79621
AV		 2053 fc_port_t *sfcp;
2054
1da177e4 2055 if ((sp = ha->outstanding_cmds[index]) != 0) {
bdf79621
AV		 2056 sfcp = sp->fcport;
2057 if (sfcp == fcport) {
1da177e4
LT		 2058 atomic_set(&fcport->state, FCS_ONLINE);
2059 spin_unlock_irqrestore(
2060 &ha->hardware_lock, flags);
2061 return;
2062 }
2063 }
2064 }
2065 spin_unlock_irqrestore(&ha->hardware_lock, flags);
2066 }
2067
1da177e4 2068 if (fcport->port_type == FCT_INITIATOR ||
bdf79621 2069 fcport->port_type == FCT_BROADCAST)
1da177e4 2070 fcport->device_type = TYPE_PROCESSOR;
bdf79621 2071
1da177e4 2072 atomic_set(&fcport->state, FCS_ONLINE);
bdf79621 2073
8482e118
AV		 2074 if (ha->flags.init_done)
2075 qla2x00_reg_remote_port(ha, fcport);
1da177e4
LT		 2076}
2077
8482e118
AV		 2078void
2079qla2x00_reg_remote_port(scsi_qla_host_t *ha, fc_port_t *fcport)
2080{
2081 struct fc_rport_identifiers rport_ids;
bdf79621 2082 struct fc_rport *rport;
8482e118
AV		 2083
2084 if (fcport->rport) {
19a7b4ae
JSEC		 2085 fc_remote_port_delete(fcport->rport);
2086 fcport->rport = NULL;
8482e118
AV		 2087 }
2088
f8b02a85
AV		 2089 rport_ids.node_name = wwn_to_u64(fcport->node_name);
2090 rport_ids.port_name = wwn_to_u64(fcport->port_name);
8482e118
AV		 2091 rport_ids.port_id = fcport->d_id.b.domain << 16 |
2092 fcport->d_id.b.area << 8 | fcport->d_id.b.al_pa;
77d74143
AV		 2093 rport_ids.roles = FC_RPORT_ROLE_UNKNOWN;
2094 fcport->rport = rport = fc_remote_port_add(ha->host, 0, &rport_ids);
2095 if (!rport) {
2096 qla_printk(KERN_WARNING, ha,
2097 "Unable to allocate fc remote port!\n");
2098 return;
2099 }
19a7b4ae 2100 *((fc_port_t **)rport->dd_data) = fcport;
ad3e0eda 2101 rport->supported_classes = fcport->supported_classes;
77d74143 2102
8482e118
AV		 2103 rport_ids.roles = FC_RPORT_ROLE_UNKNOWN;
2104 if (fcport->port_type == FCT_INITIATOR)
2105 rport_ids.roles |= FC_RPORT_ROLE_FCP_INITIATOR;
2106 if (fcport->port_type == FCT_TARGET)
2107 rport_ids.roles |= FC_RPORT_ROLE_FCP_TARGET;
77d74143 2108 fc_remote_port_rolechg(rport, rport_ids.roles);
1da177e4 2109
cc4731f5
AV		 2110 if (rport->scsi_target_id != -1 &&
2111 rport->scsi_target_id < ha->host->max_id)
bdf79621 2112 fcport->os_target_id = rport->scsi_target_id;
1da177e4
LT		 2113}
2114
1da177e4
LT		 2115/*
2116 * qla2x00_configure_fabric
2117 * Setup SNS devices with loop ID's.
2118 *
2119 * Input:
2120 * ha = adapter block pointer.
2121 *
2122 * Returns:
2123 * 0 = success.
2124 * BIT_0 = error
2125 */
2126static int
2127qla2x00_configure_fabric(scsi_qla_host_t *ha)
2128{
2129 int rval, rval2;
2130 fc_port_t *fcport, *fcptemp;
2131 uint16_t next_loopid;
2132 uint16_t mb[MAILBOX_REGISTER_COUNT];
0107109e 2133 uint16_t loop_id;
1da177e4
LT		 2134 LIST_HEAD(new_fcports);
2135
2136 /* If FL port exists, then SNS is present */
0107109e
AV		 2137 if (IS_QLA24XX(ha) || IS_QLA25XX(ha))
2138 loop_id = NPH_F_PORT;
2139 else
2140 loop_id = SNS_FL_PORT;
2141 rval = qla2x00_get_port_name(ha, loop_id, NULL, 0);
1da177e4
LT		 2142 if (rval != QLA_SUCCESS) {
2143 DEBUG2(printk("scsi(%ld): MBC_GET_PORT_NAME Failed, No FL "
2144 "Port\n", ha->host_no));
2145
2146 ha->device_flags &= ~SWITCH_FOUND;
2147 return (QLA_SUCCESS);
2148 }
2149
2150 /* Mark devices that need re-synchronization. */
2151 rval2 = qla2x00_device_resync(ha);
2152 if (rval2 == QLA_RSCNS_HANDLED) {
2153 /* No point doing the scan, just continue. */
2154 return (QLA_SUCCESS);
2155 }
2156 do {
cca5335c
AV		 2157 /* FDMI support. */
2158 if (ql2xfdmienable &&
2159 test_and_clear_bit(REGISTER_FDMI_NEEDED, &ha->dpc_flags))
2160 qla2x00_fdmi_register(ha);
2161
1da177e4 2162 /* Ensure we are logged into the SNS. */
0107109e
AV		 2163 if (IS_QLA24XX(ha) || IS_QLA25XX(ha))
2164 loop_id = NPH_SNS;
2165 else
2166 loop_id = SIMPLE_NAME_SERVER;
2167 ha->isp_ops.fabric_login(ha, loop_id, 0xff, 0xff,
abbd8870 2168 0xfc, mb, BIT_1 | BIT_0);
1da177e4
LT		 2169 if (mb[0] != MBS_COMMAND_COMPLETE) {
2170 DEBUG2(qla_printk(KERN_INFO, ha,
2171 "Failed SNS login: loop_id=%x mb[0]=%x mb[1]=%x "
0107109e 2172 "mb[2]=%x mb[6]=%x mb[7]=%x\n", loop_id,
1da177e4
LT		 2173 mb[0], mb[1], mb[2], mb[6], mb[7]));
2174 return (QLA_SUCCESS);
2175 }
2176
2177 if (test_and_clear_bit(REGISTER_FC4_NEEDED, &ha->dpc_flags)) {
2178 if (qla2x00_rft_id(ha)) {
2179 /* EMPTY */
2180 DEBUG2(printk("scsi(%ld): Register FC-4 "
2181 "TYPE failed.\n", ha->host_no));
2182 }
2183 if (qla2x00_rff_id(ha)) {
2184 /* EMPTY */
2185 DEBUG2(printk("scsi(%ld): Register FC-4 "
2186 "Features failed.\n", ha->host_no));
2187 }
2188 if (qla2x00_rnn_id(ha)) {
2189 /* EMPTY */
2190 DEBUG2(printk("scsi(%ld): Register Node Name "
2191 "failed.\n", ha->host_no));
2192 } else if (qla2x00_rsnn_nn(ha)) {
2193 /* EMPTY */
2194 DEBUG2(printk("scsi(%ld): Register Symbolic "
2195 "Node Name failed.\n", ha->host_no));
2196 }
2197 }
2198
2199 rval = qla2x00_find_all_fabric_devs(ha, &new_fcports);
2200 if (rval != QLA_SUCCESS)
2201 break;
2202
2203 /*
2204 * Logout all previous fabric devices marked lost, except
2205 * tape devices.
2206 */
2207 list_for_each_entry(fcport, &ha->fcports, list) {
2208 if (test_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags))
2209 break;
2210
2211 if ((fcport->flags & FCF_FABRIC_DEVICE) == 0)
2212 continue;
2213
2214 if (atomic_read(&fcport->state) == FCS_DEVICE_LOST) {
2215 qla2x00_mark_device_lost(ha, fcport,
2216 ql2xplogiabsentdevice);
2217 if (fcport->loop_id != FC_NO_LOOP_ID &&
2218 (fcport->flags & FCF_TAPE_PRESENT) == 0 &&
2219 fcport->port_type != FCT_INITIATOR &&
2220 fcport->port_type != FCT_BROADCAST) {
2221
abbd8870 2222 ha->isp_ops.fabric_logout(ha,
1c7c6357
AV		 2223 fcport->loop_id,
2224 fcport->d_id.b.domain,
2225 fcport->d_id.b.area,
2226 fcport->d_id.b.al_pa);
1da177e4
LT		 2227 fcport->loop_id = FC_NO_LOOP_ID;
2228 }
2229 }
2230 }
2231
2232 /* Starting free loop ID. */
2233 next_loopid = ha->min_external_loopid;
2234
2235 /*
2236 * Scan through our port list and login entries that need to be
2237 * logged in.
2238 */
2239 list_for_each_entry(fcport, &ha->fcports, list) {
2240 if (atomic_read(&ha->loop_down_timer) ||
2241 test_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags))
2242 break;
2243
2244 if ((fcport->flags & FCF_FABRIC_DEVICE) == 0 ||
2245 (fcport->flags & FCF_LOGIN_NEEDED) == 0)
2246 continue;
2247
2248 if (fcport->loop_id == FC_NO_LOOP_ID) {
2249 fcport->loop_id = next_loopid;
2250 rval = qla2x00_find_new_loop_id(ha, fcport);
2251 if (rval != QLA_SUCCESS) {
2252 /* Ran out of IDs to use */
2253 break;
2254 }
2255 }
1da177e4
LT		 2256 /* Login and update database */
2257 qla2x00_fabric_dev_login(ha, fcport, &next_loopid);
2258 }
2259
2260 /* Exit if out of loop IDs. */
2261 if (rval != QLA_SUCCESS) {
2262 break;
2263 }
2264
2265 /*
2266 * Login and add the new devices to our port list.
2267 */
2268 list_for_each_entry_safe(fcport, fcptemp, &new_fcports, list) {
2269 if (atomic_read(&ha->loop_down_timer) ||
2270 test_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags))
2271 break;
2272
2273 /* Find a new loop ID to use. */
2274 fcport->loop_id = next_loopid;
2275 rval = qla2x00_find_new_loop_id(ha, fcport);
2276 if (rval != QLA_SUCCESS) {
2277 /* Ran out of IDs to use */
2278 break;
2279 }
2280
1da177e4
LT		 2281 /* Remove device from the new list and add it to DB */
2282 list_del(&fcport->list);
2283 list_add_tail(&fcport->list, &ha->fcports);
bdf79621
AV		 2284
2285 /* Login and update database */
2286 qla2x00_fabric_dev_login(ha, fcport, &next_loopid);
1da177e4
LT		 2287 }
2288 } while (0);
2289
2290 /* Free all new device structures not processed. */
2291 list_for_each_entry_safe(fcport, fcptemp, &new_fcports, list) {
2292 list_del(&fcport->list);
2293 kfree(fcport);
2294 }
2295
2296 if (rval) {
2297 DEBUG2(printk("scsi(%ld): Configure fabric error exit: "
2298 "rval=%d\n", ha->host_no, rval));
2299 }
2300
2301 return (rval);
2302}
2303
2304
2305/*
2306 * qla2x00_find_all_fabric_devs
2307 *
2308 * Input:
2309 * ha = adapter block pointer.
2310 * dev = database device entry pointer.
2311 *
2312 * Returns:
2313 * 0 = success.
2314 *
2315 * Context:
2316 * Kernel context.
2317 */
2318static int
2319qla2x00_find_all_fabric_devs(scsi_qla_host_t *ha, struct list_head *new_fcports)
2320{
2321 int rval;
2322 uint16_t loop_id;
2323 fc_port_t *fcport, *new_fcport, *fcptemp;
2324 int found;
2325
2326 sw_info_t *swl;
2327 int swl_idx;
2328 int first_dev, last_dev;
2329 port_id_t wrap, nxt_d_id;
2330
2331 rval = QLA_SUCCESS;
2332
2333 /* Try GID_PT to get device list, else GAN. */
2334 swl = kmalloc(sizeof(sw_info_t) * MAX_FIBRE_DEVICES, GFP_ATOMIC);
2335 if (swl == NULL) {
2336 /*EMPTY*/
2337 DEBUG2(printk("scsi(%ld): GID_PT allocations failed, fallback "
2338 "on GA_NXT\n", ha->host_no));
2339 } else {
2340 memset(swl, 0, sizeof(sw_info_t) * MAX_FIBRE_DEVICES);
2341 if (qla2x00_gid_pt(ha, swl) != QLA_SUCCESS) {
2342 kfree(swl);
2343 swl = NULL;
2344 } else if (qla2x00_gpn_id(ha, swl) != QLA_SUCCESS) {
2345 kfree(swl);
2346 swl = NULL;
2347 } else if (qla2x00_gnn_id(ha, swl) != QLA_SUCCESS) {
2348 kfree(swl);
2349 swl = NULL;
2350 }
2351 }
2352 swl_idx = 0;
2353
2354 /* Allocate temporary fcport for any new fcports discovered. */
2355 new_fcport = qla2x00_alloc_fcport(ha, GFP_KERNEL);
2356 if (new_fcport == NULL) {
c9475cb0 2357 kfree(swl);
1da177e4
LT		 2358 return (QLA_MEMORY_ALLOC_FAILED);
2359 }
2360 new_fcport->flags |= (FCF_FABRIC_DEVICE | FCF_LOGIN_NEEDED);
2361
2362 /* Set start port ID scan at adapter ID. */
2363 first_dev = 1;
2364 last_dev = 0;
2365
2366 /* Starting free loop ID. */
2367 loop_id = ha->min_external_loopid;
1da177e4 2368 for (; loop_id <= ha->last_loop_id; loop_id++) {
3d71644c 2369 if (qla2x00_is_reserved_id(ha, loop_id))
1da177e4
LT		 2370 continue;
2371
33135aa2 2372 if (atomic_read(&ha->loop_down_timer) || LOOP_NOT_READY(ha))
1da177e4
LT		 2373 break;
2374
2375 if (swl != NULL) {
2376 if (last_dev) {
2377 wrap.b24 = new_fcport->d_id.b24;
2378 } else {
2379 new_fcport->d_id.b24 = swl[swl_idx].d_id.b24;
2380 memcpy(new_fcport->node_name,
2381 swl[swl_idx].node_name, WWN_SIZE);
2382 memcpy(new_fcport->port_name,
2383 swl[swl_idx].port_name, WWN_SIZE);
2384
2385 if (swl[swl_idx].d_id.b.rsvd_1 != 0) {
2386 last_dev = 1;
2387 }
2388 swl_idx++;
2389 }
2390 } else {
2391 /* Send GA_NXT to the switch */
2392 rval = qla2x00_ga_nxt(ha, new_fcport);
2393 if (rval != QLA_SUCCESS) {
2394 qla_printk(KERN_WARNING, ha,
2395 "SNS scan failed -- assuming zero-entry "
2396 "result...\n");
2397 list_for_each_entry_safe(fcport, fcptemp,
2398 new_fcports, list) {
2399 list_del(&fcport->list);
2400 kfree(fcport);
2401 }
2402 rval = QLA_SUCCESS;
2403 break;
2404 }
2405 }
2406
2407 /* If wrap on switch device list, exit. */
2408 if (first_dev) {
2409 wrap.b24 = new_fcport->d_id.b24;
2410 first_dev = 0;
2411 } else if (new_fcport->d_id.b24 == wrap.b24) {
2412 DEBUG2(printk("scsi(%ld): device wrap (%02x%02x%02x)\n",
2413 ha->host_no, new_fcport->d_id.b.domain,
2414 new_fcport->d_id.b.area, new_fcport->d_id.b.al_pa));
2415 break;
2416 }
2417
2418 /* Bypass if host adapter. */
2419 if (new_fcport->d_id.b24 == ha->d_id.b24)
2420 continue;
2421
f7d289f6
AV		 2422 /* Bypass if same domain and area of adapter. */
2423 if (((new_fcport->d_id.b24 & 0xffff00) ==
2424 (ha->d_id.b24 & 0xffff00)) && ha->current_topology ==
2425 ISP_CFG_FL)
2426 continue;
2427
1da177e4
LT		 2428 /* Bypass reserved domain fields. */
2429 if ((new_fcport->d_id.b.domain & 0xf0) == 0xf0)
2430 continue;
2431
2432 /* Locate matching device in database. */
2433 found = 0;
2434 list_for_each_entry(fcport, &ha->fcports, list) {
2435 if (memcmp(new_fcport->port_name, fcport->port_name,
2436 WWN_SIZE))
2437 continue;
2438
2439 found++;
2440
2441 /*
2442 * If address the same and state FCS_ONLINE, nothing
2443 * changed.
2444 */
2445 if (fcport->d_id.b24 == new_fcport->d_id.b24 &&
2446 atomic_read(&fcport->state) == FCS_ONLINE) {
2447 break;
2448 }
2449
2450 /*
2451 * If device was not a fabric device before.
2452 */
2453 if ((fcport->flags & FCF_FABRIC_DEVICE) == 0) {
2454 fcport->d_id.b24 = new_fcport->d_id.b24;
2455 fcport->loop_id = FC_NO_LOOP_ID;
2456 fcport->flags |= (FCF_FABRIC_DEVICE |
2457 FCF_LOGIN_NEEDED);
2458 fcport->flags &= ~FCF_PERSISTENT_BOUND;
2459 break;
2460 }
2461
2462 /*
2463 * Port ID changed or device was marked to be updated;
2464 * Log it out if still logged in and mark it for
2465 * relogin later.
2466 */
2467 fcport->d_id.b24 = new_fcport->d_id.b24;
2468 fcport->flags |= FCF_LOGIN_NEEDED;
2469 if (fcport->loop_id != FC_NO_LOOP_ID &&
2470 (fcport->flags & FCF_TAPE_PRESENT) == 0 &&
2471 fcport->port_type != FCT_INITIATOR &&
2472 fcport->port_type != FCT_BROADCAST) {
1c7c6357
AV		 2473 ha->isp_ops.fabric_logout(ha, fcport->loop_id,
2474 fcport->d_id.b.domain, fcport->d_id.b.area,
2475 fcport->d_id.b.al_pa);
1da177e4
LT		 2476 fcport->loop_id = FC_NO_LOOP_ID;
2477 }
2478
2479 break;
2480 }
2481
2482 if (found)
2483 continue;
2484
2485 /* If device was not in our fcports list, then add it. */
2486 list_add_tail(&new_fcport->list, new_fcports);
2487
2488 /* Allocate a new replacement fcport. */
2489 nxt_d_id.b24 = new_fcport->d_id.b24;
2490 new_fcport = qla2x00_alloc_fcport(ha, GFP_KERNEL);
2491 if (new_fcport == NULL) {
c9475cb0 2492 kfree(swl);
1da177e4
LT		 2493 return (QLA_MEMORY_ALLOC_FAILED);
2494 }
2495 new_fcport->flags |= (FCF_FABRIC_DEVICE | FCF_LOGIN_NEEDED);
2496 new_fcport->d_id.b24 = nxt_d_id.b24;
2497 }
2498
c9475cb0
JJ		 2499 kfree(swl);
2500 kfree(new_fcport);
1da177e4
LT		 2501
2502 if (!list_empty(new_fcports))
2503 ha->device_flags |= DFLG_FABRIC_DEVICES;
2504
2505 return (rval);
2506}
2507
2508/*
2509 * qla2x00_find_new_loop_id
2510 * Scan through our port list and find a new usable loop ID.
2511 *
2512 * Input:
2513 * ha: adapter state pointer.
2514 * dev: port structure pointer.
2515 *
2516 * Returns:
2517 * qla2x00 local function return status code.
2518 *
2519 * Context:
2520 * Kernel context.
2521 */
2522int
2523qla2x00_find_new_loop_id(scsi_qla_host_t *ha, fc_port_t *dev)
2524{
2525 int rval;
2526 int found;
2527 fc_port_t *fcport;
2528 uint16_t first_loop_id;
2529
2530 rval = QLA_SUCCESS;
2531
2532 /* Save starting loop ID. */
2533 first_loop_id = dev->loop_id;
2534
2535 for (;;) {
2536 /* Skip loop ID if already used by adapter. */
2537 if (dev->loop_id == ha->loop_id) {
2538 dev->loop_id++;
2539 }
2540
2541 /* Skip reserved loop IDs. */
3d71644c 2542 while (qla2x00_is_reserved_id(ha, dev->loop_id)) {
1da177e4
LT		 2543 dev->loop_id++;
2544 }
2545
2546 /* Reset loop ID if passed the end. */
2547 if (dev->loop_id > ha->last_loop_id) {
2548 /* first loop ID. */
2549 dev->loop_id = ha->min_external_loopid;
2550 }
2551
2552 /* Check for loop ID being already in use. */
2553 found = 0;
2554 fcport = NULL;
2555 list_for_each_entry(fcport, &ha->fcports, list) {
2556 if (fcport->loop_id == dev->loop_id && fcport != dev) {
2557 /* ID possibly in use */
2558 found++;
2559 break;
2560 }
2561 }
2562
2563 /* If not in use then it is free to use. */
2564 if (!found) {
2565 break;
2566 }
2567
2568 /* ID in use. Try next value. */
2569 dev->loop_id++;
2570
2571 /* If wrap around. No free ID to use. */
2572 if (dev->loop_id == first_loop_id) {
2573 dev->loop_id = FC_NO_LOOP_ID;
2574 rval = QLA_FUNCTION_FAILED;
2575 break;
2576 }
2577 }
2578
2579 return (rval);
2580}
2581
2582/*
2583 * qla2x00_device_resync
2584 * Marks devices in the database that needs resynchronization.
2585 *
2586 * Input:
2587 * ha = adapter block pointer.
2588 *
2589 * Context:
2590 * Kernel context.
2591 */
2592static int
fa2a1ce5 2593qla2x00_device_resync(scsi_qla_host_t *ha)
1da177e4
LT		 2594{
2595 int rval;
2596 int rval2;
2597 uint32_t mask;
2598 fc_port_t *fcport;
2599 uint32_t rscn_entry;
2600 uint8_t rscn_out_iter;
2601 uint8_t format;
2602 port_id_t d_id;
2603
2604 rval = QLA_RSCNS_HANDLED;
2605
2606 while (ha->rscn_out_ptr != ha->rscn_in_ptr ||
2607 ha->flags.rscn_queue_overflow) {
2608
2609 rscn_entry = ha->rscn_queue[ha->rscn_out_ptr];
2610 format = MSB(MSW(rscn_entry));
2611 d_id.b.domain = LSB(MSW(rscn_entry));
2612 d_id.b.area = MSB(LSW(rscn_entry));
2613 d_id.b.al_pa = LSB(LSW(rscn_entry));
2614
2615 DEBUG(printk("scsi(%ld): RSCN queue entry[%d] = "
2616 "[%02x/%02x%02x%02x].\n",
2617 ha->host_no, ha->rscn_out_ptr, format, d_id.b.domain,
2618 d_id.b.area, d_id.b.al_pa));
2619
2620 ha->rscn_out_ptr++;
2621 if (ha->rscn_out_ptr == MAX_RSCN_COUNT)
2622 ha->rscn_out_ptr = 0;
2623
2624 /* Skip duplicate entries. */
2625 for (rscn_out_iter = ha->rscn_out_ptr;
2626 !ha->flags.rscn_queue_overflow &&
2627 rscn_out_iter != ha->rscn_in_ptr;
2628 rscn_out_iter = (rscn_out_iter ==
2629 (MAX_RSCN_COUNT - 1)) ? 0: rscn_out_iter + 1) {
2630
2631 if (rscn_entry != ha->rscn_queue[rscn_out_iter])
2632 break;
2633
2634 DEBUG(printk("scsi(%ld): Skipping duplicate RSCN queue "
2635 "entry found at [%d].\n", ha->host_no,
2636 rscn_out_iter));
2637
2638 ha->rscn_out_ptr = rscn_out_iter;
2639 }
2640
2641 /* Queue overflow, set switch default case. */
2642 if (ha->flags.rscn_queue_overflow) {
2643 DEBUG(printk("scsi(%ld): device_resync: rscn "
2644 "overflow.\n", ha->host_no));
2645
2646 format = 3;
2647 ha->flags.rscn_queue_overflow = 0;
2648 }
2649
2650 switch (format) {
2651 case 0:
2652 if (!IS_QLA2100(ha) && !IS_QLA2200(ha) &&
2653 !IS_QLA6312(ha) && !IS_QLA6322(ha) &&
0107109e 2654 !IS_QLA24XX(ha) && !IS_QLA25XX(ha) &&
1da177e4
LT		 2655 ha->flags.init_done) {
2656 /* Handle port RSCN via asyncronous IOCBs */
2657 rval2 = qla2x00_handle_port_rscn(ha, rscn_entry,
2658 NULL, 0);
2659 if (rval2 == QLA_SUCCESS)
2660 continue;
2661 }
2662 mask = 0xffffff;
2663 break;
2664 case 1:
2665 mask = 0xffff00;
2666 break;
2667 case 2:
2668 mask = 0xff0000;
2669 break;
2670 default:
2671 mask = 0x0;
2672 d_id.b24 = 0;
2673 ha->rscn_out_ptr = ha->rscn_in_ptr;
2674 break;
2675 }
2676
2677 rval = QLA_SUCCESS;
2678
2679 /* Abort any outstanding IO descriptors. */
2680 if (!IS_QLA2100(ha) && !IS_QLA2200(ha))
2681 qla2x00_cancel_io_descriptors(ha);
2682
2683 list_for_each_entry(fcport, &ha->fcports, list) {
2684 if ((fcport->flags & FCF_FABRIC_DEVICE) == 0 ||
2685 (fcport->d_id.b24 & mask) != d_id.b24 ||
2686 fcport->port_type == FCT_BROADCAST)
2687 continue;
2688
2689 if (atomic_read(&fcport->state) == FCS_ONLINE) {
2690 if (format != 3 ||
2691 fcport->port_type != FCT_INITIATOR) {
8482e118 2692 qla2x00_mark_device_lost(ha, fcport, 0);
1da177e4
LT		 2693 }
2694 }
2695 fcport->flags &= ~FCF_FARP_DONE;
2696 }
2697 }
2698 return (rval);
2699}
2700
2701/*
2702 * qla2x00_fabric_dev_login
2703 * Login fabric target device and update FC port database.
2704 *
2705 * Input:
2706 * ha: adapter state pointer.
2707 * fcport: port structure list pointer.
2708 * next_loopid: contains value of a new loop ID that can be used
2709 * by the next login attempt.
2710 *
2711 * Returns:
2712 * qla2x00 local function return status code.
2713 *
2714 * Context:
2715 * Kernel context.
2716 */
2717static int
2718qla2x00_fabric_dev_login(scsi_qla_host_t *ha, fc_port_t *fcport,
2719 uint16_t *next_loopid)
2720{
2721 int rval;
2722 int retry;
0107109e 2723 uint8_t opts;
1da177e4
LT		 2724
2725 rval = QLA_SUCCESS;
2726 retry = 0;
2727
2728 rval = qla2x00_fabric_login(ha, fcport, next_loopid);
2729 if (rval == QLA_SUCCESS) {
0107109e
AV		 2730 /* Send an ADISC to tape devices.*/
2731 opts = 0;
2732 if (fcport->flags & FCF_TAPE_PRESENT)
2733 opts |= BIT_1;
2734 rval = qla2x00_get_port_database(ha, fcport, opts);
1da177e4 2735 if (rval != QLA_SUCCESS) {
1c7c6357
AV		 2736 ha->isp_ops.fabric_logout(ha, fcport->loop_id,
2737 fcport->d_id.b.domain, fcport->d_id.b.area,
2738 fcport->d_id.b.al_pa);
0107109e
AV		 2739 qla2x00_mark_device_lost(ha, fcport, 1);
2740
1da177e4
LT		 2741 } else {
2742 qla2x00_update_fcport(ha, fcport);
2743 }
2744 }
2745
2746 return (rval);
2747}
2748
2749/*
2750 * qla2x00_fabric_login
2751 * Issue fabric login command.
2752 *
2753 * Input:
2754 * ha = adapter block pointer.
2755 * device = pointer to FC device type structure.
2756 *
2757 * Returns:
2758 * 0 - Login successfully
2759 * 1 - Login failed
2760 * 2 - Initiator device
2761 * 3 - Fatal error
2762 */
2763int
2764qla2x00_fabric_login(scsi_qla_host_t *ha, fc_port_t *fcport,
2765 uint16_t *next_loopid)
2766{
2767 int rval;
2768 int retry;
2769 uint16_t tmp_loopid;
2770 uint16_t mb[MAILBOX_REGISTER_COUNT];
2771
2772 retry = 0;
2773 tmp_loopid = 0;
2774
2775 for (;;) {
2776 DEBUG(printk("scsi(%ld): Trying Fabric Login w/loop id 0x%04x "
2777 "for port %02x%02x%02x.\n",
2778 ha->host_no, fcport->loop_id, fcport->d_id.b.domain,
2779 fcport->d_id.b.area, fcport->d_id.b.al_pa));
2780
2781 /* Login fcport on switch. */
abbd8870 2782 ha->isp_ops.fabric_login(ha, fcport->loop_id,
1da177e4
LT		 2783 fcport->d_id.b.domain, fcport->d_id.b.area,
2784 fcport->d_id.b.al_pa, mb, BIT_0);
2785 if (mb[0] == MBS_PORT_ID_USED) {
2786 /*
2787 * Device has another loop ID. The firmware team
0107109e
AV		 2788 * recommends the driver perform an implicit login with
2789 * the specified ID again. The ID we just used is save
2790 * here so we return with an ID that can be tried by
2791 * the next login.
1da177e4
LT		 2792 */
2793 retry++;
2794 tmp_loopid = fcport->loop_id;
2795 fcport->loop_id = mb[1];
2796
2797 DEBUG(printk("Fabric Login: port in use - next "
2798 "loop id=0x%04x, port Id=%02x%02x%02x.\n",
2799 fcport->loop_id, fcport->d_id.b.domain,
2800 fcport->d_id.b.area, fcport->d_id.b.al_pa));
2801
2802 } else if (mb[0] == MBS_COMMAND_COMPLETE) {
2803 /*
2804 * Login succeeded.
2805 */
2806 if (retry) {
2807 /* A retry occurred before. */
2808 *next_loopid = tmp_loopid;
2809 } else {
2810 /*
2811 * No retry occurred before. Just increment the
2812 * ID value for next login.
2813 */
2814 *next_loopid = (fcport->loop_id + 1);
2815 }
2816
2817 if (mb[1] & BIT_0) {
2818 fcport->port_type = FCT_INITIATOR;
2819 } else {
2820 fcport->port_type = FCT_TARGET;
2821 if (mb[1] & BIT_1) {
2822 fcport->flags |= FCF_TAPE_PRESENT;
2823 }
2824 }
2825
ad3e0eda
AV		 2826 if (mb[10] & BIT_0)
2827 fcport->supported_classes |= FC_COS_CLASS2;
2828 if (mb[10] & BIT_1)
2829 fcport->supported_classes |= FC_COS_CLASS3;
2830
1da177e4
LT		 2831 rval = QLA_SUCCESS;
2832 break;
2833 } else if (mb[0] == MBS_LOOP_ID_USED) {
2834 /*
2835 * Loop ID already used, try next loop ID.
2836 */
2837 fcport->loop_id++;
2838 rval = qla2x00_find_new_loop_id(ha, fcport);
2839 if (rval != QLA_SUCCESS) {
2840 /* Ran out of loop IDs to use */
2841 break;
2842 }
2843 } else if (mb[0] == MBS_COMMAND_ERROR) {
2844 /*
2845 * Firmware possibly timed out during login. If NO
2846 * retries are left to do then the device is declared
2847 * dead.
2848 */
2849 *next_loopid = fcport->loop_id;
1c7c6357
AV		 2850 ha->isp_ops.fabric_logout(ha, fcport->loop_id,
2851 fcport->d_id.b.domain, fcport->d_id.b.area,
2852 fcport->d_id.b.al_pa);
1da177e4
LT		 2853 qla2x00_mark_device_lost(ha, fcport, 1);
2854
2855 rval = 1;
2856 break;
2857 } else {
2858 /*
2859 * unrecoverable / not handled error
2860 */
2861 DEBUG2(printk("%s(%ld): failed=%x port_id=%02x%02x%02x "
fa2a1ce5
AV		 2862 "loop_id=%x jiffies=%lx.\n",
2863 __func__, ha->host_no, mb[0],
1da177e4
LT		 2864 fcport->d_id.b.domain, fcport->d_id.b.area,
2865 fcport->d_id.b.al_pa, fcport->loop_id, jiffies));
2866
2867 *next_loopid = fcport->loop_id;
1c7c6357
AV		 2868 ha->isp_ops.fabric_logout(ha, fcport->loop_id,
2869 fcport->d_id.b.domain, fcport->d_id.b.area,
2870 fcport->d_id.b.al_pa);
1da177e4 2871 fcport->loop_id = FC_NO_LOOP_ID;
0eedfcf0 2872 fcport->login_retry = 0;
1da177e4
LT		 2873
2874 rval = 3;
2875 break;
2876 }
2877 }
2878
2879 return (rval);
2880}
2881
2882/*
2883 * qla2x00_local_device_login
2884 * Issue local device login command.
2885 *
2886 * Input:
2887 * ha = adapter block pointer.
2888 * loop_id = loop id of device to login to.
2889 *
2890 * Returns (Where's the #define!!!!):
2891 * 0 - Login successfully
2892 * 1 - Login failed
2893 * 3 - Fatal error
2894 */
2895int
2896qla2x00_local_device_login(scsi_qla_host_t *ha, uint16_t loop_id)
2897{
2898 int rval;
2899 uint16_t mb[MAILBOX_REGISTER_COUNT];
2900
2901 memset(mb, 0, sizeof(mb));
2902 rval = qla2x00_login_local_device(ha, loop_id, mb, BIT_0);
2903 if (rval == QLA_SUCCESS) {
2904 /* Interrogate mailbox registers for any errors */
2905 if (mb[0] == MBS_COMMAND_ERROR)
2906 rval = 1;
2907 else if (mb[0] == MBS_COMMAND_PARAMETER_ERROR)
2908 /* device not in PCB table */
2909 rval = 3;
2910 }
2911
2912 return (rval);
2913}
2914
2915/*
2916 * qla2x00_loop_resync
2917 * Resync with fibre channel devices.
2918 *
2919 * Input:
2920 * ha = adapter block pointer.
2921 *
2922 * Returns:
2923 * 0 = success
2924 */
2925int
fa2a1ce5 2926qla2x00_loop_resync(scsi_qla_host_t *ha)
1da177e4
LT		 2927{
2928 int rval;
2929 uint32_t wait_time;
2930
2931 rval = QLA_SUCCESS;
2932
2933 atomic_set(&ha->loop_state, LOOP_UPDATE);
1da177e4
LT		 2934 clear_bit(ISP_ABORT_RETRY, &ha->dpc_flags);
2935 if (ha->flags.online) {
2936 if (!(rval = qla2x00_fw_ready(ha))) {
2937 /* Wait at most MAX_TARGET RSCNs for a stable link. */
2938 wait_time = 256;
2939 do {
1da177e4
LT		 2940 atomic_set(&ha->loop_state, LOOP_UPDATE);
2941
0107109e
AV		 2942 /* Issue a marker after FW becomes ready. */
2943 qla2x00_marker(ha, 0, 0, MK_SYNC_ALL);
2944 ha->marker_needed = 0;
1da177e4
LT		 2945
2946 /* Remap devices on Loop. */
2947 clear_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags);
2948
2949 qla2x00_configure_loop(ha);
2950 wait_time--;
2951 } while (!atomic_read(&ha->loop_down_timer) &&
2952 !(test_bit(ISP_ABORT_NEEDED, &ha->dpc_flags)) &&
2953 wait_time &&
2954 (test_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags)));
2955 }
1da177e4
LT		 2956 }
2957
2958 if (test_bit(ISP_ABORT_NEEDED, &ha->dpc_flags)) {
2959 return (QLA_FUNCTION_FAILED);
2960 }
2961
2962 if (rval) {
2963 DEBUG2_3(printk("%s(): **** FAILED ****\n", __func__));
2964 }
2965
2966 return (rval);
2967}
2968
1da177e4
LT		 2969void
2970qla2x00_rescan_fcports(scsi_qla_host_t *ha)
2971{
2972 int rescan_done;
2973 fc_port_t *fcport;
2974
2975 rescan_done = 0;
2976 list_for_each_entry(fcport, &ha->fcports, list) {
2977 if ((fcport->flags & FCF_RESCAN_NEEDED) == 0)
2978 continue;
2979
2980 qla2x00_update_fcport(ha, fcport);
2981 fcport->flags &= ~FCF_RESCAN_NEEDED;
2982
2983 rescan_done = 1;
2984 }
fa2a1ce5 2985 qla2x00_probe_for_all_luns(ha);
1da177e4
LT		 2986}
2987
2988/*
2989* qla2x00_abort_isp
2990* Resets ISP and aborts all outstanding commands.
2991*
2992* Input:
2993* ha = adapter block pointer.
2994*
2995* Returns:
2996* 0 = success
2997*/
2998int
2999qla2x00_abort_isp(scsi_qla_host_t *ha)
3000{
3001 unsigned long flags = 0;
3002 uint16_t cnt;
3003 srb_t *sp;
3004 uint8_t status = 0;
3005
3006 if (ha->flags.online) {
3007 ha->flags.online = 0;
3008 clear_bit(ISP_ABORT_NEEDED, &ha->dpc_flags);
1da177e4
LT		 3009
3010 qla_printk(KERN_INFO, ha,
3011 "Performing ISP error recovery - ha= %p.\n", ha);
abbd8870 3012 ha->isp_ops.reset_chip(ha);
1da177e4
LT		 3013
3014 atomic_set(&ha->loop_down_timer, LOOP_DOWN_TIME);
3015 if (atomic_read(&ha->loop_state) != LOOP_DOWN) {
3016 atomic_set(&ha->loop_state, LOOP_DOWN);
3017 qla2x00_mark_all_devices_lost(ha);
3018 } else {
3019 if (!atomic_read(&ha->loop_down_timer))
3020 atomic_set(&ha->loop_down_timer,
3021 LOOP_DOWN_TIME);
3022 }
3023
3024 spin_lock_irqsave(&ha->hardware_lock, flags);
3025 /* Requeue all commands in outstanding command list. */
3026 for (cnt = 1; cnt < MAX_OUTSTANDING_COMMANDS; cnt++) {
3027 sp = ha->outstanding_cmds[cnt];
3028 if (sp) {
3029 ha->outstanding_cmds[cnt] = NULL;
1da177e4 3030 sp->flags = 0;
f4f051eb 3031 sp->cmd->result = DID_RESET << 16;
1da177e4 3032 sp->cmd->host_scribble = (unsigned char *)NULL;
f4f051eb 3033 qla2x00_sp_compl(ha, sp);
1da177e4
LT		 3034 }
3035 }
3036 spin_unlock_irqrestore(&ha->hardware_lock, flags);
3037
abbd8870 3038 ha->isp_ops.nvram_config(ha);
1da177e4
LT		 3039
3040 if (!qla2x00_restart_isp(ha)) {
3041 clear_bit(RESET_MARKER_NEEDED, &ha->dpc_flags);
3042
3043 if (!atomic_read(&ha->loop_down_timer)) {
3044 /*
3045 * Issue marker command only when we are going
3046 * to start the I/O .
3047 */
3048 ha->marker_needed = 1;
3049 }
3050
3051 ha->flags.online = 1;
3052
abbd8870 3053 ha->isp_ops.enable_intrs(ha);
1da177e4 3054
fa2a1ce5 3055 ha->isp_abort_cnt = 0;
1da177e4
LT		 3056 clear_bit(ISP_ABORT_RETRY, &ha->dpc_flags);
3057 } else { /* failed the ISP abort */
3058 ha->flags.online = 1;
3059 if (test_bit(ISP_ABORT_RETRY, &ha->dpc_flags)) {
3060 if (ha->isp_abort_cnt == 0) {
3061 qla_printk(KERN_WARNING, ha,
3062 "ISP error recovery failed - "
3063 "board disabled\n");
fa2a1ce5 3064 /*
1da177e4
LT		 3065 * The next call disables the board
3066 * completely.
3067 */
abbd8870 3068 ha->isp_ops.reset_adapter(ha);
1da177e4
LT		 3069 ha->flags.online = 0;
3070 clear_bit(ISP_ABORT_RETRY,
3071 &ha->dpc_flags);
3072 status = 0;
3073 } else { /* schedule another ISP abort */
3074 ha->isp_abort_cnt--;
3075 DEBUG(printk("qla%ld: ISP abort - "
0107109e 3076 "retry remaining %d\n",
1da177e4
LT		 3077 ha->host_no, ha->isp_abort_cnt);)
3078 status = 1;
3079 }
3080 } else {
3081 ha->isp_abort_cnt = MAX_RETRIES_OF_ISP_ABORT;
3082 DEBUG(printk("qla2x00(%ld): ISP error recovery "
3083 "- retrying (%d) more times\n",
3084 ha->host_no, ha->isp_abort_cnt);)
3085 set_bit(ISP_ABORT_RETRY, &ha->dpc_flags);
3086 status = 1;
3087 }
3088 }
fa2a1ce5 3089
1da177e4
LT		 3090 }
3091
3092 if (status) {
3093 qla_printk(KERN_INFO, ha,
3094 "qla2x00_abort_isp: **** FAILED ****\n");
3095 } else {
3096 DEBUG(printk(KERN_INFO
3097 "qla2x00_abort_isp(%ld): exiting.\n",
3098 ha->host_no);)
3099 }
3100
3101 return(status);
3102}
3103
3104/*
3105* qla2x00_restart_isp
3106* restarts the ISP after a reset
3107*
3108* Input:
3109* ha = adapter block pointer.
3110*
3111* Returns:
3112* 0 = success
3113*/
3114static int
3115qla2x00_restart_isp(scsi_qla_host_t *ha)
3116{
3117 uint8_t status = 0;
3d71644c 3118 struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
1da177e4
LT		 3119 unsigned long flags = 0;
3120 uint32_t wait_time;
3121
3122 /* If firmware needs to be loaded */
3123 if (qla2x00_isp_firmware(ha)) {
3124 ha->flags.online = 0;
abbd8870 3125 if (!(status = ha->isp_ops.chip_diag(ha))) {
1da177e4
LT		 3126 if (IS_QLA2100(ha) || IS_QLA2200(ha)) {
3127 status = qla2x00_setup_chip(ha);
3128 goto done;
3129 }
3130
1da177e4
LT		 3131 spin_lock_irqsave(&ha->hardware_lock, flags);
3132
0107109e
AV		 3133 if (!IS_QLA24XX(ha) && !IS_QLA25XX(ha)) {
3134 /*
3135 * Disable SRAM, Instruction RAM and GP RAM
3136 * parity.
3137 */
3138 WRT_REG_WORD(&reg->hccr,
3139 (HCCR_ENABLE_PARITY + 0x0));
3140 RD_REG_WORD(&reg->hccr);
3141 }
1da177e4
LT		 3142
3143 spin_unlock_irqrestore(&ha->hardware_lock, flags);
fa2a1ce5 3144
1da177e4
LT		 3145 status = qla2x00_setup_chip(ha);
3146
3147 spin_lock_irqsave(&ha->hardware_lock, flags);
fa2a1ce5 3148
0107109e
AV		 3149 if (!IS_QLA24XX(ha) && !IS_QLA25XX(ha)) {
3150 /* Enable proper parity */
3151 if (IS_QLA2300(ha))
3152 /* SRAM parity */
3153 WRT_REG_WORD(&reg->hccr,
3154 (HCCR_ENABLE_PARITY + 0x1));
3155 else
3156 /*
3157 * SRAM, Instruction RAM and GP RAM
3158 * parity.
3159 */
3160 WRT_REG_WORD(&reg->hccr,
3161 (HCCR_ENABLE_PARITY + 0x7));
3162 RD_REG_WORD(&reg->hccr);
3163 }
1da177e4
LT		 3164
3165 spin_unlock_irqrestore(&ha->hardware_lock, flags);
3166 }
3167 }
3168
3169 done:
3170 if (!status && !(status = qla2x00_init_rings(ha))) {
3171 clear_bit(RESET_MARKER_NEEDED, &ha->dpc_flags);
3172 if (!(status = qla2x00_fw_ready(ha))) {
3173 DEBUG(printk("%s(): Start configure loop, "
0107109e
AV		 3174 "status = %d\n", __func__, status);)
3175
3176 /* Issue a marker after FW becomes ready. */
3177 qla2x00_marker(ha, 0, 0, MK_SYNC_ALL);
3178
1da177e4
LT		 3179 ha->flags.online = 1;
3180 /* Wait at most MAX_TARGET RSCNs for a stable link. */
3181 wait_time = 256;
3182 do {
3183 clear_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags);
3184 qla2x00_configure_loop(ha);
3185 wait_time--;
3186 } while (!atomic_read(&ha->loop_down_timer) &&
3187 !(test_bit(ISP_ABORT_NEEDED, &ha->dpc_flags)) &&
3188 wait_time &&
3189 (test_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags)));
3190 }
3191
3192 /* if no cable then assume it's good */
fa2a1ce5 3193 if ((ha->device_flags & DFLG_NO_CABLE))
1da177e4
LT		 3194 status = 0;
3195
3196 DEBUG(printk("%s(): Configure loop done, status = 0x%x\n",
3197 __func__,
3198 status);)
3199 }
3200 return (status);
3201}
3202
3203/*
3204* qla2x00_reset_adapter
3205* Reset adapter.
3206*
3207* Input:
3208* ha = adapter block pointer.
3209*/
abbd8870 3210void
1da177e4
LT		 3211qla2x00_reset_adapter(scsi_qla_host_t *ha)
3212{
3213 unsigned long flags = 0;
3d71644c 3214 struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
1da177e4
LT		 3215
3216 ha->flags.online = 0;
abbd8870 3217 ha->isp_ops.disable_intrs(ha);
1da177e4 3218
1da177e4
LT		 3219 spin_lock_irqsave(&ha->hardware_lock, flags);
3220 WRT_REG_WORD(&reg->hccr, HCCR_RESET_RISC);
3221 RD_REG_WORD(&reg->hccr); /* PCI Posting. */
3222 WRT_REG_WORD(&reg->hccr, HCCR_RELEASE_RISC);
3223 RD_REG_WORD(&reg->hccr); /* PCI Posting. */
3224 spin_unlock_irqrestore(&ha->hardware_lock, flags);
3225}
0107109e
AV		 3226
3227void
3228qla24xx_reset_adapter(scsi_qla_host_t *ha)
3229{
3230 unsigned long flags = 0;
3231 struct device_reg_24xx __iomem *reg = &ha->iobase->isp24;
3232
3233 ha->flags.online = 0;
3234 ha->isp_ops.disable_intrs(ha);
3235
3236 spin_lock_irqsave(&ha->hardware_lock, flags);
3237 WRT_REG_DWORD(&reg->hccr, HCCRX_SET_RISC_RESET);
3238 RD_REG_DWORD(&reg->hccr);
3239 WRT_REG_DWORD(&reg->hccr, HCCRX_REL_RISC_PAUSE);
3240 RD_REG_DWORD(&reg->hccr);
3241 spin_unlock_irqrestore(&ha->hardware_lock, flags);
3242}
3243
3244int
3245qla24xx_nvram_config(scsi_qla_host_t *ha)
3246{
3247 int rval;
3248 struct init_cb_24xx *icb;
3249 struct nvram_24xx *nv;
3250 uint32_t *dptr;
3251 uint8_t *dptr1, *dptr2;
3252 uint32_t chksum;
3253 uint16_t cnt;
3254
3255 rval = QLA_SUCCESS;
3256 icb = (struct init_cb_24xx *)ha->init_cb;
3257 nv = (struct nvram_24xx *)ha->request_ring;
3258
3259 /* Determine NVRAM starting address. */
3260 ha->nvram_size = sizeof(struct nvram_24xx);
3261 ha->nvram_base = FA_NVRAM_FUNC0_ADDR;
3262 if (PCI_FUNC(ha->pdev->devfn))
3263 ha->nvram_base = FA_NVRAM_FUNC1_ADDR;
3264
3265 /* Get NVRAM data and calculate checksum. */
3266 dptr = (uint32_t *)nv;
3267 ha->isp_ops.read_nvram(ha, (uint8_t *)dptr, ha->nvram_base,
3268 ha->nvram_size);
3269 for (cnt = 0, chksum = 0; cnt < ha->nvram_size >> 2; cnt++)
3270 chksum += le32_to_cpu(*dptr++);
3271
3272 DEBUG5(printk("scsi(%ld): Contents of NVRAM\n", ha->host_no));
3273 DEBUG5(qla2x00_dump_buffer((uint8_t *)ha->request_ring,
3274 ha->nvram_size));
3275
3276 /* Bad NVRAM data, set defaults parameters. */
3277 if (chksum || nv->id[0] != 'I' || nv->id[1] != 'S' || nv->id[2] != 'P'
3278 || nv->id[3] != ' ' ||
3279 nv->nvram_version < __constant_cpu_to_le16(ICB_VERSION)) {
3280 /* Reset NVRAM data. */
3281 qla_printk(KERN_WARNING, ha, "Inconsistent NVRAM detected: "
3282 "checksum=0x%x id=%c version=0x%x.\n", chksum, nv->id[0],
3283 le16_to_cpu(nv->nvram_version));
3284 qla_printk(KERN_WARNING, ha, "Falling back to functioning (yet "
3285 "invalid -- WWPN) defaults.\n");
3286
3287 /*
3288 * Set default initialization control block.
3289 */
3290 memset(nv, 0, ha->nvram_size);
3291 nv->nvram_version = __constant_cpu_to_le16(ICB_VERSION);
3292 nv->version = __constant_cpu_to_le16(ICB_VERSION);
3293 nv->frame_payload_size = __constant_cpu_to_le16(2048);
3294 nv->execution_throttle = __constant_cpu_to_le16(0xFFFF);
3295 nv->exchange_count = __constant_cpu_to_le16(0);
3296 nv->hard_address = __constant_cpu_to_le16(124);
3297 nv->port_name[0] = 0x21;
3298 nv->port_name[1] = 0x00 + PCI_FUNC(ha->pdev->devfn);
3299 nv->port_name[2] = 0x00;
3300 nv->port_name[3] = 0xe0;
3301 nv->port_name[4] = 0x8b;
3302 nv->port_name[5] = 0x1c;
3303 nv->port_name[6] = 0x55;
3304 nv->port_name[7] = 0x86;
3305 nv->node_name[0] = 0x20;
3306 nv->node_name[1] = 0x00;
3307 nv->node_name[2] = 0x00;
3308 nv->node_name[3] = 0xe0;
3309 nv->node_name[4] = 0x8b;
3310 nv->node_name[5] = 0x1c;
3311 nv->node_name[6] = 0x55;
3312 nv->node_name[7] = 0x86;
3313 nv->login_retry_count = __constant_cpu_to_le16(8);
3314 nv->link_down_timeout = __constant_cpu_to_le16(200);
3315 nv->interrupt_delay_timer = __constant_cpu_to_le16(0);
3316 nv->login_timeout = __constant_cpu_to_le16(0);
3317 nv->firmware_options_1 =
3318 __constant_cpu_to_le32(BIT_14|BIT_13|BIT_2|BIT_1);
3319 nv->firmware_options_2 = __constant_cpu_to_le32(2 << 4);
3320 nv->firmware_options_2 |= __constant_cpu_to_le32(BIT_12);
3321 nv->firmware_options_3 = __constant_cpu_to_le32(2 << 13);
3322 nv->host_p = __constant_cpu_to_le32(BIT_11|BIT_10);
3323 nv->efi_parameters = __constant_cpu_to_le32(0);
3324 nv->reset_delay = 5;
3325 nv->max_luns_per_target = __constant_cpu_to_le16(128);
3326 nv->port_down_retry_count = __constant_cpu_to_le16(30);
3327 nv->link_down_timeout = __constant_cpu_to_le16(30);
3328
3329 rval = 1;
3330 }
3331
3332 /* Reset Initialization control block */
3333 memset(icb, 0, sizeof(struct init_cb_24xx));
3334
3335 /* Copy 1st segment. */
3336 dptr1 = (uint8_t *)icb;
3337 dptr2 = (uint8_t *)&nv->version;
3338 cnt = (uint8_t *)&icb->response_q_inpointer - (uint8_t *)&icb->version;
3339 while (cnt--)
3340 *dptr1++ = *dptr2++;
3341
3342 icb->login_retry_count = nv->login_retry_count;
3343 icb->link_down_timeout = nv->link_down_timeout;
3344
3345 /* Copy 2nd segment. */
3346 dptr1 = (uint8_t *)&icb->interrupt_delay_timer;
3347 dptr2 = (uint8_t *)&nv->interrupt_delay_timer;
3348 cnt = (uint8_t *)&icb->reserved_3 -
3349 (uint8_t *)&icb->interrupt_delay_timer;
3350 while (cnt--)
3351 *dptr1++ = *dptr2++;
3352
3353 /*
3354 * Setup driver NVRAM options.
3355 */
3356 if (memcmp(nv->model_name, BINZERO, sizeof(nv->model_name)) != 0) {
3357 char *st, *en;
3358 uint16_t index;
3359
3360 strncpy(ha->model_number, nv->model_name,
3361 sizeof(nv->model_name));
3362 st = en = ha->model_number;
3363 en += sizeof(nv->model_name) - 1;
3364 while (en > st) {
3365 if (*en != 0x20 && *en != 0x00)
3366 break;
3367 *en-- = '\0';
3368 }
3369
3370 index = (ha->pdev->subsystem_device & 0xff);
3371 if (index < QLA_MODEL_NAMES)
3372 ha->model_desc = qla2x00_model_desc[index];
3373 } else
3374 strcpy(ha->model_number, "QLA2462");
3375
3376 /* Prepare nodename */
3377 if ((icb->firmware_options_1 & BIT_14) == 0) {
3378 /*
3379 * Firmware will apply the following mask if the nodename was
3380 * not provided.
3381 */
3382 memcpy(icb->node_name, icb->port_name, WWN_SIZE);
3383 icb->node_name[0] &= 0xF0;
3384 }
3385
3386 /* Set host adapter parameters. */
3387 ha->flags.disable_risc_code_load = 0;
3388 ha->flags.enable_lip_reset = 1;
3389 ha->flags.enable_lip_full_login = 1;
3390 ha->flags.enable_target_reset = 1;
3391 ha->flags.enable_led_scheme = 0;
3392
3393 ha->operating_mode =
3394 (icb->firmware_options_2 & (BIT_6 | BIT_5 | BIT_4)) >> 4;
3395
3396 memcpy(ha->fw_seriallink_options24, nv->seriallink_options,
3397 sizeof(ha->fw_seriallink_options24));
3398
3399 /* save HBA serial number */
3400 ha->serial0 = icb->port_name[5];
3401 ha->serial1 = icb->port_name[6];
3402 ha->serial2 = icb->port_name[7];
3403 ha->node_name = icb->node_name;
3404 ha->port_name = icb->port_name;
3405
3406 ha->retry_count = le16_to_cpu(nv->login_retry_count);
3407
3408 /* Set minimum login_timeout to 4 seconds. */
3409 if (le16_to_cpu(nv->login_timeout) < ql2xlogintimeout)
3410 nv->login_timeout = cpu_to_le16(ql2xlogintimeout);
3411 if (le16_to_cpu(nv->login_timeout) < 4)
3412 nv->login_timeout = __constant_cpu_to_le16(4);
3413 ha->login_timeout = le16_to_cpu(nv->login_timeout);
3414 icb->login_timeout = cpu_to_le16(nv->login_timeout);
3415
3416 /* Set minimum RATOV to 200 tenths of a second. */
3417 ha->r_a_tov = 200;
3418
3419 ha->loop_reset_delay = nv->reset_delay;
3420
3421 /* Link Down Timeout = 0:
3422 *
3423 * When Port Down timer expires we will start returning
3424 * I/O's to OS with "DID_NO_CONNECT".
3425 *
3426 * Link Down Timeout != 0:
3427 *
3428 * The driver waits for the link to come up after link down
3429 * before returning I/Os to OS with "DID_NO_CONNECT".
3430 */
3431 if (le16_to_cpu(nv->link_down_timeout) == 0) {
3432 ha->loop_down_abort_time =
3433 (LOOP_DOWN_TIME - LOOP_DOWN_TIMEOUT);
3434 } else {
3435 ha->link_down_timeout = le16_to_cpu(nv->link_down_timeout);
3436 ha->loop_down_abort_time =
3437 (LOOP_DOWN_TIME - ha->link_down_timeout);
3438 }
3439
3440 /* Need enough time to try and get the port back. */
3441 ha->port_down_retry_count = le16_to_cpu(nv->port_down_retry_count);
3442 if (qlport_down_retry)
3443 ha->port_down_retry_count = qlport_down_retry;
3444
3445 /* Set login_retry_count */
3446 ha->login_retry_count = le16_to_cpu(nv->login_retry_count);
3447 if (ha->port_down_retry_count ==
3448 le16_to_cpu(nv->port_down_retry_count) &&
3449 ha->port_down_retry_count > 3)
3450 ha->login_retry_count = ha->port_down_retry_count;
3451 else if (ha->port_down_retry_count > (int)ha->login_retry_count)
3452 ha->login_retry_count = ha->port_down_retry_count;
3453 if (ql2xloginretrycount)
3454 ha->login_retry_count = ql2xloginretrycount;
3455
4fdfefe5
AV		 3456 /* Enable ZIO. */
3457 if (!ha->flags.init_done) {
3458 ha->zio_mode = le32_to_cpu(icb->firmware_options_2) &
3459 (BIT_3 | BIT_2 | BIT_1 | BIT_0);
3460 ha->zio_timer = le16_to_cpu(icb->interrupt_delay_timer) ?
3461 le16_to_cpu(icb->interrupt_delay_timer): 2;
3462 }
3463 icb->firmware_options_2 &= __constant_cpu_to_le32(
3464 ~(BIT_3 | BIT_2 | BIT_1 | BIT_0));
3465 ha->flags.process_response_queue = 0;
3466 if (ha->zio_mode != QLA_ZIO_DISABLED) {
3467 DEBUG2(printk("scsi(%ld): ZIO mode %d enabled; timer delay "
3468 "(%d us).\n", ha->host_no, ha->zio_mode,
3469 ha->zio_timer * 100));
3470 qla_printk(KERN_INFO, ha,
3471 "ZIO mode %d enabled; timer delay (%d us).\n",
3472 ha->zio_mode, ha->zio_timer * 100);
3473
3474 icb->firmware_options_2 |= cpu_to_le32(
3475 (uint32_t)ha->zio_mode);
3476 icb->interrupt_delay_timer = cpu_to_le16(ha->zio_timer);
3477 ha->flags.process_response_queue = 1;
3478 }
3479
0107109e
AV		 3480 if (rval) {
3481 DEBUG2_3(printk(KERN_WARNING
3482 "scsi(%ld): NVRAM configuration failed!\n", ha->host_no));
3483 }
3484 return (rval);
3485}
3486
3487int
3488qla2x00_load_risc(scsi_qla_host_t *ha, uint32_t *srisc_addr)
3489{
3490 int rval;
3491 uint16_t cnt;
3492 uint16_t *risc_code;
3493 unsigned long risc_address;
3494 unsigned long risc_code_size;
3495 int num;
3496 int i;
3497 uint16_t *req_ring;
3498 struct qla_fw_info *fw_iter;
3499
3500 rval = QLA_SUCCESS;
3501
3502 /* Load firmware sequences */
3503 fw_iter = ha->brd_info->fw_info;
3504 *srisc_addr = *ha->brd_info->fw_info->fwstart;
3505 while (fw_iter->addressing != FW_INFO_ADDR_NOMORE) {
3506 risc_code = fw_iter->fwcode;
3507 risc_code_size = *fw_iter->fwlen;
3508
3509 if (fw_iter->addressing == FW_INFO_ADDR_NORMAL) {
3510 risc_address = *fw_iter->fwstart;
3511 } else {
3512 /* Extended address */
3513 risc_address = *fw_iter->lfwstart;
3514 }
3515
3516 num = 0;
3517 rval = 0;
3518 while (risc_code_size > 0 && !rval) {
3519 cnt = (uint16_t)(ha->fw_transfer_size >> 1);
3520 if (cnt > risc_code_size)
3521 cnt = risc_code_size;
3522
3523 DEBUG7(printk("scsi(%ld): Loading risc segment@ "
3524 "addr %p, number of bytes 0x%x, offset 0x%lx.\n",
3525 ha->host_no, risc_code, cnt, risc_address));
3526
3527 req_ring = (uint16_t *)ha->request_ring;
3528 for (i = 0; i < cnt; i++)
3529 req_ring[i] = cpu_to_le16(risc_code[i]);
3530
3531 if (fw_iter->addressing == FW_INFO_ADDR_NORMAL) {
3532 rval = qla2x00_load_ram(ha, ha->request_dma,
3533 risc_address, cnt);
3534 } else {
3535 rval = qla2x00_load_ram_ext(ha,
3536 ha->request_dma, risc_address, cnt);
3537 }
3538 if (rval) {
3539 DEBUG(printk("scsi(%ld): [ERROR] Failed to "
3540 "load segment %d of firmware\n",
3541 ha->host_no, num));
3542 qla_printk(KERN_WARNING, ha,
3543 "[ERROR] Failed to load segment %d of "
3544 "firmware\n", num);
3545
3546 qla2x00_dump_regs(ha);
3547 break;
3548 }
3549
3550 risc_code += cnt;
3551 risc_address += cnt;
3552 risc_code_size -= cnt;
3553 num++;
3554 }
3555
3556 /* Next firmware sequence */
3557 fw_iter++;
3558 }
3559
3560 return (rval);
3561}
3562
3563int
3564qla24xx_load_risc_flash(scsi_qla_host_t *ha, uint32_t *srisc_addr)
3565{
3566 int rval;
3567 int segments, fragment;
3568 uint32_t faddr;
3569 uint32_t *dcode, dlen;
3570 uint32_t risc_addr;
3571 uint32_t risc_size;
3572 uint32_t i;
3573
3574 rval = QLA_SUCCESS;
3575
3576 segments = FA_RISC_CODE_SEGMENTS;
3577 faddr = FA_RISC_CODE_ADDR;
3578 dcode = (uint32_t *)ha->request_ring;
3579 *srisc_addr = 0;
3580
3581 /* Validate firmware image by checking version. */
3582 qla24xx_read_flash_data(ha, dcode, faddr + 4, 4);
3583 for (i = 0; i < 4; i++)
3584 dcode[i] = be32_to_cpu(dcode[i]);
3585 if ((dcode[0] == 0xffffffff && dcode[1] == 0xffffffff &&
3586 dcode[2] == 0xffffffff && dcode[3] == 0xffffffff) ||
3587 (dcode[0] == 0 && dcode[1] == 0 && dcode[2] == 0 &&
3588 dcode[3] == 0)) {
3589 qla_printk(KERN_WARNING, ha,
3590 "Unable to verify integrity of flash firmware image!\n");
3591 qla_printk(KERN_WARNING, ha,
3592 "Firmware data: %08x %08x %08x %08x!\n", dcode[0],
3593 dcode[1], dcode[2], dcode[3]);
3594
3595 return QLA_FUNCTION_FAILED;
3596 }
3597
3598 while (segments && rval == QLA_SUCCESS) {
3599 /* Read segment's load information. */
3600 qla24xx_read_flash_data(ha, dcode, faddr, 4);
3601
3602 risc_addr = be32_to_cpu(dcode[2]);
3603 *srisc_addr = *srisc_addr == 0 ? risc_addr : *srisc_addr;
3604 risc_size = be32_to_cpu(dcode[3]);
3605
3606 fragment = 0;
3607 while (risc_size > 0 && rval == QLA_SUCCESS) {
3608 dlen = (uint32_t)(ha->fw_transfer_size >> 2);
3609 if (dlen > risc_size)
3610 dlen = risc_size;
3611
3612 DEBUG7(printk("scsi(%ld): Loading risc segment@ risc "
3613 "addr %x, number of dwords 0x%x, offset 0x%x.\n",
3614 ha->host_no, risc_addr, dlen, faddr));
3615
3616 qla24xx_read_flash_data(ha, dcode, faddr, dlen);
3617 for (i = 0; i < dlen; i++)
3618 dcode[i] = swab32(dcode[i]);
3619
3620 rval = qla2x00_load_ram_ext(ha, ha->request_dma,
3621 risc_addr, dlen);
3622 if (rval) {
3623 DEBUG(printk("scsi(%ld):[ERROR] Failed to load "
3624 "segment %d of firmware\n", ha->host_no,
3625 fragment));
3626 qla_printk(KERN_WARNING, ha,
3627 "[ERROR] Failed to load segment %d of "
3628 "firmware\n", fragment);
3629 break;
3630 }
3631
3632 faddr += dlen;
3633 risc_addr += dlen;
3634 risc_size -= dlen;
3635 fragment++;
3636 }
3637
3638 /* Next segment. */
3639 segments--;
3640 }
3641
3642 return rval;
3643}
3644
3645int
3646qla24xx_load_risc_hotplug(scsi_qla_host_t *ha, uint32_t *srisc_addr)
3647{
3648 int rval;
3649 int segments, fragment;
3650 uint32_t *dcode, dlen;
3651 uint32_t risc_addr;
3652 uint32_t risc_size;
3653 uint32_t i;
3654 const struct firmware *fw_entry;
3655 uint32_t *fwcode, fwclen;
3656
3657 if (request_firmware(&fw_entry, ha->brd_info->fw_fname,
3658 &ha->pdev->dev)) {
3659 qla_printk(KERN_ERR, ha,
3660 "Firmware image file not available: '%s'\n",
3661 ha->brd_info->fw_fname);
3662 return QLA_FUNCTION_FAILED;
3663 }
3664
3665 rval = QLA_SUCCESS;
3666
3667 segments = FA_RISC_CODE_SEGMENTS;
3668 dcode = (uint32_t *)ha->request_ring;
3669 *srisc_addr = 0;
3670 fwcode = (uint32_t *)fw_entry->data;
3671 fwclen = 0;
3672
3673 /* Validate firmware image by checking version. */
3674 if (fw_entry->size < 8 * sizeof(uint32_t)) {
3675 qla_printk(KERN_WARNING, ha,
3676 "Unable to verify integrity of flash firmware image "
3677 "(%Zd)!\n", fw_entry->size);
3678 goto fail_fw_integrity;
3679 }
3680 for (i = 0; i < 4; i++)
3681 dcode[i] = be32_to_cpu(fwcode[i + 4]);
3682 if ((dcode[0] == 0xffffffff && dcode[1] == 0xffffffff &&
3683 dcode[2] == 0xffffffff && dcode[3] == 0xffffffff) ||
3684 (dcode[0] == 0 && dcode[1] == 0 && dcode[2] == 0 &&
3685 dcode[3] == 0)) {
3686 qla_printk(KERN_WARNING, ha,
3687 "Unable to verify integrity of flash firmware image!\n");
3688 qla_printk(KERN_WARNING, ha,
3689 "Firmware data: %08x %08x %08x %08x!\n", dcode[0],
3690 dcode[1], dcode[2], dcode[3]);
3691 goto fail_fw_integrity;
3692 }
3693
3694 while (segments && rval == QLA_SUCCESS) {
3695 risc_addr = be32_to_cpu(fwcode[2]);
3696 *srisc_addr = *srisc_addr == 0 ? risc_addr : *srisc_addr;
3697 risc_size = be32_to_cpu(fwcode[3]);
3698
3699 /* Validate firmware image size. */
3700 fwclen += risc_size * sizeof(uint32_t);
3701 if (fw_entry->size < fwclen) {
3702 qla_printk(KERN_WARNING, ha,
3703 "Unable to verify integrity of flash firmware "
3704 "image (%Zd)!\n", fw_entry->size);
3705 goto fail_fw_integrity;
3706 }
3707
3708 fragment = 0;
3709 while (risc_size > 0 && rval == QLA_SUCCESS) {
3710 dlen = (uint32_t)(ha->fw_transfer_size >> 2);
3711 if (dlen > risc_size)
3712 dlen = risc_size;
3713
3714 DEBUG7(printk("scsi(%ld): Loading risc segment@ risc "
3715 "addr %x, number of dwords 0x%x.\n", ha->host_no,
3716 risc_addr, dlen));
3717
3718 for (i = 0; i < dlen; i++)
3719 dcode[i] = swab32(fwcode[i]);
3720
3721 rval = qla2x00_load_ram_ext(ha, ha->request_dma,
3722 risc_addr, dlen);
3723 if (rval) {
3724 DEBUG(printk("scsi(%ld):[ERROR] Failed to load "
3725 "segment %d of firmware\n", ha->host_no,
3726 fragment));
3727 qla_printk(KERN_WARNING, ha,
3728 "[ERROR] Failed to load segment %d of "
3729 "firmware\n", fragment);
3730 break;
3731 }
3732
3733 fwcode += dlen;
3734 risc_addr += dlen;
3735 risc_size -= dlen;
3736 fragment++;
3737 }
3738
3739 /* Next segment. */
3740 segments--;
3741 }
3742
3743 release_firmware(fw_entry);
3744 return rval;
3745
3746fail_fw_integrity:
3747
3748 release_firmware(fw_entry);
3749 return QLA_FUNCTION_FAILED;
3750
3751}
Clone of davem's net-next-2.6 tree