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[SCSI] qla2xxx: Correct swing/emphasis settings on ISP24xx.
[net-next-2.6.git] / drivers / scsi / qla2xxx / qla_init.c
CommitLineData
1da177e4 1/*
fa90c54f
AV		 2 * QLogic Fibre Channel HBA Driver
3 * Copyright (c) 2003-2005 QLogic Corporation
1da177e4 4 *
fa90c54f 5 * See LICENSE.qla2xxx for copyright and licensing details.
1da177e4
LT		 6 */
7#include "qla_def.h"
8
9#include <linux/delay.h>
0107109e 10#include <linux/vmalloc.h>
1da177e4
LT		 11
12#include "qla_devtbl.h"
13
14/* XXX(hch): this is ugly, but we don't want to pull in exioctl.h */
15#ifndef EXT_IS_LUN_BIT_SET
16#define EXT_IS_LUN_BIT_SET(P,L) \
17 (((P)->mask[L/8] & (0x80 >> (L%8)))?1:0)
18#define EXT_SET_LUN_BIT(P,L) \
19 ((P)->mask[L/8] |= (0x80 >> (L%8)))
20#endif
21
22/*
23* QLogic ISP2x00 Hardware Support Function Prototypes.
24*/
1da177e4 25static int qla2x00_isp_firmware(scsi_qla_host_t *);
1da177e4
LT		 26static void qla2x00_resize_request_q(scsi_qla_host_t *);
27static int qla2x00_setup_chip(scsi_qla_host_t *);
28static void qla2x00_init_response_q_entries(scsi_qla_host_t *);
29static int qla2x00_init_rings(scsi_qla_host_t *);
30static int qla2x00_fw_ready(scsi_qla_host_t *);
31static int qla2x00_configure_hba(scsi_qla_host_t *);
1da177e4
LT		 32static int qla2x00_configure_loop(scsi_qla_host_t *);
33static int qla2x00_configure_local_loop(scsi_qla_host_t *);
1da177e4
LT		 34static int qla2x00_configure_fabric(scsi_qla_host_t *);
35static int qla2x00_find_all_fabric_devs(scsi_qla_host_t *, struct list_head *);
36static int qla2x00_device_resync(scsi_qla_host_t *);
37static int qla2x00_fabric_dev_login(scsi_qla_host_t *, fc_port_t *,
38 uint16_t *);
1da177e4
LT		 39
40static int qla2x00_restart_isp(scsi_qla_host_t *);
1da177e4
LT		 41
42/****************************************************************************/
43/* QLogic ISP2x00 Hardware Support Functions. */
44/****************************************************************************/
45
46/*
47* qla2x00_initialize_adapter
48* Initialize board.
49*
50* Input:
51* ha = adapter block pointer.
52*
53* Returns:
54* 0 = success
55*/
56int
57qla2x00_initialize_adapter(scsi_qla_host_t *ha)
58{
59 int rval;
60 uint8_t restart_risc = 0;
61 uint8_t retry;
62 uint32_t wait_time;
63
64 /* Clear adapter flags. */
65 ha->flags.online = 0;
66 ha->flags.reset_active = 0;
67 atomic_set(&ha->loop_down_timer, LOOP_DOWN_TIME);
68 atomic_set(&ha->loop_state, LOOP_DOWN);
69 ha->device_flags = 0;
1da177e4 70 ha->dpc_flags = 0;
1da177e4
LT		 71 ha->flags.management_server_logged_in = 0;
72 ha->marker_needed = 0;
73 ha->mbx_flags = 0;
74 ha->isp_abort_cnt = 0;
75 ha->beacon_blink_led = 0;
cca5335c 76 set_bit(REGISTER_FDMI_NEEDED, &ha->dpc_flags);
1da177e4 77
0107109e 78 qla_printk(KERN_INFO, ha, "Configuring PCI space...\n");
abbd8870 79 rval = ha->isp_ops.pci_config(ha);
1da177e4
LT		 80 if (rval) {
81 DEBUG2(printk("scsi(%ld): Unable to configure PCI space=n",
82 ha->host_no));
83 return (rval);
84 }
85
abbd8870 86 ha->isp_ops.reset_chip(ha);
1da177e4 87
1da177e4 88 qla_printk(KERN_INFO, ha, "Configure NVRAM parameters...\n");
0107109e 89
abbd8870 90 ha->isp_ops.nvram_config(ha);
1da177e4
LT		 91
92 qla_printk(KERN_INFO, ha, "Verifying loaded RISC code...\n");
93
94 retry = 10;
95 /*
96 * Try to configure the loop.
97 */
98 do {
99 restart_risc = 0;
100
101 /* If firmware needs to be loaded */
102 if (qla2x00_isp_firmware(ha) != QLA_SUCCESS) {
abbd8870 103 if ((rval = ha->isp_ops.chip_diag(ha)) == QLA_SUCCESS) {
1da177e4
LT		 104 rval = qla2x00_setup_chip(ha);
105 }
106 }
107
108 if (rval == QLA_SUCCESS &&
109 (rval = qla2x00_init_rings(ha)) == QLA_SUCCESS) {
110check_fw_ready_again:
111 /*
fa2a1ce5 112 * Wait for a successful LIP up to a maximum
1da177e4
LT		 113 * of (in seconds): RISC login timeout value,
114 * RISC retry count value, and port down retry
fa2a1ce5 115 * value OR a minimum of 4 seconds OR If no
1da177e4
LT		 116 * cable, only 5 seconds.
117 */
118 rval = qla2x00_fw_ready(ha);
119 if (rval == QLA_SUCCESS) {
120 clear_bit(RESET_MARKER_NEEDED, &ha->dpc_flags);
121
0107109e
AV		 122 /* Issue a marker after FW becomes ready. */
123 qla2x00_marker(ha, 0, 0, MK_SYNC_ALL);
124
1da177e4
LT		 125 /*
126 * Wait at most MAX_TARGET RSCNs for a stable
127 * link.
128 */
129 wait_time = 256;
130 do {
131 clear_bit(LOOP_RESYNC_NEEDED,
132 &ha->dpc_flags);
133 rval = qla2x00_configure_loop(ha);
134
135 if (test_and_clear_bit(ISP_ABORT_NEEDED,
136 &ha->dpc_flags)) {
137 restart_risc = 1;
138 break;
139 }
140
141 /*
142 * If loop state change while we were
143 * discoverying devices then wait for
144 * LIP to complete
145 */
146
33135aa2
RA		 147 if (atomic_read(&ha->loop_state) !=
148 LOOP_READY && retry--) {
1da177e4
LT		 149 goto check_fw_ready_again;
150 }
151 wait_time--;
152 } while (!atomic_read(&ha->loop_down_timer) &&
153 retry &&
154 wait_time &&
155 (test_bit(LOOP_RESYNC_NEEDED,
156 &ha->dpc_flags)));
157
158 if (wait_time == 0)
159 rval = QLA_FUNCTION_FAILED;
1da177e4
LT		 160 } else if (ha->device_flags & DFLG_NO_CABLE)
161 /* If no cable, then all is good. */
162 rval = QLA_SUCCESS;
163 }
164 } while (restart_risc && retry--);
165
166 if (rval == QLA_SUCCESS) {
167 clear_bit(RESET_MARKER_NEEDED, &ha->dpc_flags);
1da177e4
LT		 168 qla2x00_marker(ha, 0, 0, MK_SYNC_ALL);
169 ha->marker_needed = 0;
170
171 ha->flags.online = 1;
172 } else {
173 DEBUG2_3(printk("%s(): **** FAILED ****\n", __func__));
174 }
175
176 return (rval);
177}
178
179/**
abbd8870 180 * qla2100_pci_config() - Setup ISP21xx PCI configuration registers.
1da177e4
LT		 181 * @ha: HA context
182 *
183 * Returns 0 on success.
184 */
abbd8870
AV		 185int
186qla2100_pci_config(scsi_qla_host_t *ha)
1da177e4 187{
abbd8870 188 uint16_t w, mwi;
27b2f679 189 uint32_t d;
abbd8870 190 unsigned long flags;
3d71644c 191 struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
1da177e4 192
1da177e4
LT		 193 pci_set_master(ha->pdev);
194 mwi = 0;
195 if (pci_set_mwi(ha->pdev))
196 mwi = PCI_COMMAND_INVALIDATE;
197 pci_read_config_word(ha->pdev, PCI_REVISION_ID, &ha->revision);
198
1da177e4
LT		 199 pci_read_config_word(ha->pdev, PCI_COMMAND, &w);
200 w |= mwi | (PCI_COMMAND_PARITY | PCI_COMMAND_SERR);
abbd8870
AV		 201 pci_write_config_word(ha->pdev, PCI_COMMAND, w);
202
203 /* Reset expansion ROM address decode enable */
27b2f679
AK		 204 pci_read_config_dword(ha->pdev, PCI_ROM_ADDRESS, &d);
205 d &= ~PCI_ROM_ADDRESS_ENABLE;
206 pci_write_config_dword(ha->pdev, PCI_ROM_ADDRESS, d);
1da177e4
LT		 207
208 /* Get PCI bus information. */
209 spin_lock_irqsave(&ha->hardware_lock, flags);
3d71644c 210 ha->pci_attr = RD_REG_WORD(&reg->ctrl_status);
1da177e4
LT		 211 spin_unlock_irqrestore(&ha->hardware_lock, flags);
212
abbd8870
AV		 213 return QLA_SUCCESS;
214}
1da177e4 215
abbd8870
AV		 216/**
217 * qla2300_pci_config() - Setup ISP23xx PCI configuration registers.
218 * @ha: HA context
219 *
220 * Returns 0 on success.
221 */
222int
223qla2300_pci_config(scsi_qla_host_t *ha)
224{
225 uint16_t w, mwi;
27b2f679 226 uint32_t d;
abbd8870
AV		 227 unsigned long flags = 0;
228 uint32_t cnt;
3d71644c 229 struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
1da177e4 230
abbd8870
AV		 231 pci_set_master(ha->pdev);
232 mwi = 0;
233 if (pci_set_mwi(ha->pdev))
234 mwi = PCI_COMMAND_INVALIDATE;
235 pci_read_config_word(ha->pdev, PCI_REVISION_ID, &ha->revision);
1da177e4 236
abbd8870
AV		 237 pci_read_config_word(ha->pdev, PCI_COMMAND, &w);
238 w |= mwi | (PCI_COMMAND_PARITY | PCI_COMMAND_SERR);
1da177e4 239
abbd8870
AV		 240 if (IS_QLA2322(ha) || IS_QLA6322(ha))
241 w &= ~PCI_COMMAND_INTX_DISABLE;
1da177e4 242
abbd8870
AV		 243 /*
244 * If this is a 2300 card and not 2312, reset the
245 * COMMAND_INVALIDATE due to a bug in the 2300. Unfortunately,
246 * the 2310 also reports itself as a 2300 so we need to get the
247 * fb revision level -- a 6 indicates it really is a 2300 and
248 * not a 2310.
249 */
250 if (IS_QLA2300(ha)) {
251 spin_lock_irqsave(&ha->hardware_lock, flags);
1da177e4 252
abbd8870 253 /* Pause RISC. */
3d71644c 254 WRT_REG_WORD(&reg->hccr, HCCR_PAUSE_RISC);
abbd8870 255 for (cnt = 0; cnt < 30000; cnt++) {
3d71644c 256 if ((RD_REG_WORD(&reg->hccr) & HCCR_RISC_PAUSE) != 0)
abbd8870 257 break;
1da177e4 258
abbd8870
AV		 259 udelay(10);
260 }
1da177e4 261
abbd8870 262 /* Select FPM registers. */
3d71644c
AV		 263 WRT_REG_WORD(&reg->ctrl_status, 0x20);
264 RD_REG_WORD(&reg->ctrl_status);
abbd8870
AV		 265
266 /* Get the fb rev level */
3d71644c 267 ha->fb_rev = RD_FB_CMD_REG(ha, reg);
abbd8870
AV		 268
269 if (ha->fb_rev == FPM_2300)
270 w &= ~PCI_COMMAND_INVALIDATE;
271
272 /* Deselect FPM registers. */
3d71644c
AV		 273 WRT_REG_WORD(&reg->ctrl_status, 0x0);
274 RD_REG_WORD(&reg->ctrl_status);
abbd8870
AV		 275
276 /* Release RISC module. */
3d71644c 277 WRT_REG_WORD(&reg->hccr, HCCR_RELEASE_RISC);
abbd8870 278 for (cnt = 0; cnt < 30000; cnt++) {
3d71644c 279 if ((RD_REG_WORD(&reg->hccr) & HCCR_RISC_PAUSE) == 0)
abbd8870
AV		 280 break;
281
282 udelay(10);
1da177e4 283 }
1da177e4 284
abbd8870
AV		 285 spin_unlock_irqrestore(&ha->hardware_lock, flags);
286 }
1da177e4
LT		 287 pci_write_config_word(ha->pdev, PCI_COMMAND, w);
288
abbd8870
AV		 289 pci_write_config_byte(ha->pdev, PCI_LATENCY_TIMER, 0x80);
290
1da177e4 291 /* Reset expansion ROM address decode enable */
27b2f679
AK		 292 pci_read_config_dword(ha->pdev, PCI_ROM_ADDRESS, &d);
293 d &= ~PCI_ROM_ADDRESS_ENABLE;
294 pci_write_config_dword(ha->pdev, PCI_ROM_ADDRESS, d);
1da177e4 295
abbd8870
AV		 296 /* Get PCI bus information. */
297 spin_lock_irqsave(&ha->hardware_lock, flags);
3d71644c 298 ha->pci_attr = RD_REG_WORD(&reg->ctrl_status);
abbd8870
AV		 299 spin_unlock_irqrestore(&ha->hardware_lock, flags);
300
301 return QLA_SUCCESS;
1da177e4
LT		 302}
303
0107109e
AV		 304/**
305 * qla24xx_pci_config() - Setup ISP24xx PCI configuration registers.
306 * @ha: HA context
307 *
308 * Returns 0 on success.
309 */
310int
311qla24xx_pci_config(scsi_qla_host_t *ha)
312{
313 uint16_t w, mwi;
27b2f679 314 uint32_t d;
0107109e
AV		 315 unsigned long flags = 0;
316 struct device_reg_24xx __iomem *reg = &ha->iobase->isp24;
317 int pcix_cmd_reg, pcie_dctl_reg;
318
319 pci_set_master(ha->pdev);
320 mwi = 0;
321 if (pci_set_mwi(ha->pdev))
322 mwi = PCI_COMMAND_INVALIDATE;
323 pci_read_config_word(ha->pdev, PCI_REVISION_ID, &ha->revision);
324
325 pci_read_config_word(ha->pdev, PCI_COMMAND, &w);
326 w |= mwi | (PCI_COMMAND_PARITY | PCI_COMMAND_SERR);
327 w &= ~PCI_COMMAND_INTX_DISABLE;
328 pci_write_config_word(ha->pdev, PCI_COMMAND, w);
329
330 pci_write_config_byte(ha->pdev, PCI_LATENCY_TIMER, 0x80);
331
332 /* PCI-X -- adjust Maximum Memory Read Byte Count (2048). */
333 pcix_cmd_reg = pci_find_capability(ha->pdev, PCI_CAP_ID_PCIX);
334 if (pcix_cmd_reg) {
335 uint16_t pcix_cmd;
336
337 pcix_cmd_reg += PCI_X_CMD;
338 pci_read_config_word(ha->pdev, pcix_cmd_reg, &pcix_cmd);
339 pcix_cmd &= ~PCI_X_CMD_MAX_READ;
340 pcix_cmd |= 0x0008;
341 pci_write_config_word(ha->pdev, pcix_cmd_reg, pcix_cmd);
342 }
343
344 /* PCIe -- adjust Maximum Read Request Size (2048). */
345 pcie_dctl_reg = pci_find_capability(ha->pdev, PCI_CAP_ID_EXP);
346 if (pcie_dctl_reg) {
347 uint16_t pcie_dctl;
348
349 pcie_dctl_reg += PCI_EXP_DEVCTL;
350 pci_read_config_word(ha->pdev, pcie_dctl_reg, &pcie_dctl);
351 pcie_dctl &= ~PCI_EXP_DEVCTL_READRQ;
352 pcie_dctl |= 0x4000;
353 pci_write_config_word(ha->pdev, pcie_dctl_reg, pcie_dctl);
354 }
355
356 /* Reset expansion ROM address decode enable */
27b2f679
AK		 357 pci_read_config_dword(ha->pdev, PCI_ROM_ADDRESS, &d);
358 d &= ~PCI_ROM_ADDRESS_ENABLE;
359 pci_write_config_dword(ha->pdev, PCI_ROM_ADDRESS, d);
0107109e
AV		 360
361 /* Get PCI bus information. */
362 spin_lock_irqsave(&ha->hardware_lock, flags);
363 ha->pci_attr = RD_REG_DWORD(&reg->ctrl_status);
364 spin_unlock_irqrestore(&ha->hardware_lock, flags);
365
366 return QLA_SUCCESS;
367}
368
1da177e4
LT		 369/**
370 * qla2x00_isp_firmware() - Choose firmware image.
371 * @ha: HA context
372 *
373 * Returns 0 on success.
374 */
375static int
376qla2x00_isp_firmware(scsi_qla_host_t *ha)
377{
378 int rval;
379
380 /* Assume loading risc code */
fa2a1ce5 381 rval = QLA_FUNCTION_FAILED;
1da177e4
LT		 382
383 if (ha->flags.disable_risc_code_load) {
384 DEBUG2(printk("scsi(%ld): RISC CODE NOT loaded\n",
385 ha->host_no));
386 qla_printk(KERN_INFO, ha, "RISC CODE NOT loaded\n");
387
388 /* Verify checksum of loaded RISC code. */
1c7c6357 389 rval = qla2x00_verify_checksum(ha,
044cc6c8 390 IS_QLA24XX(ha) || IS_QLA54XX(ha) ? RISC_SADDRESS :
1c7c6357 391 *ha->brd_info->fw_info[0].fwstart);
1da177e4
LT		 392 }
393
394 if (rval) {
395 DEBUG2_3(printk("scsi(%ld): **** Load RISC code ****\n",
396 ha->host_no));
397 }
398
399 return (rval);
400}
401
402/**
403 * qla2x00_reset_chip() - Reset ISP chip.
404 * @ha: HA context
405 *
406 * Returns 0 on success.
407 */
abbd8870 408void
fa2a1ce5 409qla2x00_reset_chip(scsi_qla_host_t *ha)
1da177e4
LT		 410{
411 unsigned long flags = 0;
3d71644c 412 struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
1da177e4
LT		 413 uint32_t cnt;
414 unsigned long mbx_flags = 0;
415 uint16_t cmd;
416
abbd8870 417 ha->isp_ops.disable_intrs(ha);
1da177e4
LT		 418
419 spin_lock_irqsave(&ha->hardware_lock, flags);
420
421 /* Turn off master enable */
422 cmd = 0;
423 pci_read_config_word(ha->pdev, PCI_COMMAND, &cmd);
424 cmd &= ~PCI_COMMAND_MASTER;
425 pci_write_config_word(ha->pdev, PCI_COMMAND, cmd);
426
427 if (!IS_QLA2100(ha)) {
428 /* Pause RISC. */
429 WRT_REG_WORD(&reg->hccr, HCCR_PAUSE_RISC);
430 if (IS_QLA2200(ha) || IS_QLA2300(ha)) {
431 for (cnt = 0; cnt < 30000; cnt++) {
432 if ((RD_REG_WORD(&reg->hccr) &
433 HCCR_RISC_PAUSE) != 0)
434 break;
435 udelay(100);
436 }
437 } else {
438 RD_REG_WORD(&reg->hccr); /* PCI Posting. */
439 udelay(10);
440 }
441
442 /* Select FPM registers. */
443 WRT_REG_WORD(&reg->ctrl_status, 0x20);
444 RD_REG_WORD(&reg->ctrl_status); /* PCI Posting. */
445
446 /* FPM Soft Reset. */
447 WRT_REG_WORD(&reg->fpm_diag_config, 0x100);
448 RD_REG_WORD(&reg->fpm_diag_config); /* PCI Posting. */
449
450 /* Toggle Fpm Reset. */
451 if (!IS_QLA2200(ha)) {
452 WRT_REG_WORD(&reg->fpm_diag_config, 0x0);
453 RD_REG_WORD(&reg->fpm_diag_config); /* PCI Posting. */
454 }
455
456 /* Select frame buffer registers. */
457 WRT_REG_WORD(&reg->ctrl_status, 0x10);
458 RD_REG_WORD(&reg->ctrl_status); /* PCI Posting. */
459
460 /* Reset frame buffer FIFOs. */
461 if (IS_QLA2200(ha)) {
462 WRT_FB_CMD_REG(ha, reg, 0xa000);
463 RD_FB_CMD_REG(ha, reg); /* PCI Posting. */
464 } else {
465 WRT_FB_CMD_REG(ha, reg, 0x00fc);
466
467 /* Read back fb_cmd until zero or 3 seconds max */
468 for (cnt = 0; cnt < 3000; cnt++) {
469 if ((RD_FB_CMD_REG(ha, reg) & 0xff) == 0)
470 break;
471 udelay(100);
472 }
473 }
474
475 /* Select RISC module registers. */
476 WRT_REG_WORD(&reg->ctrl_status, 0);
477 RD_REG_WORD(&reg->ctrl_status); /* PCI Posting. */
478
479 /* Reset RISC processor. */
480 WRT_REG_WORD(&reg->hccr, HCCR_RESET_RISC);
481 RD_REG_WORD(&reg->hccr); /* PCI Posting. */
482
483 /* Release RISC processor. */
484 WRT_REG_WORD(&reg->hccr, HCCR_RELEASE_RISC);
485 RD_REG_WORD(&reg->hccr); /* PCI Posting. */
486 }
487
488 WRT_REG_WORD(&reg->hccr, HCCR_CLR_RISC_INT);
489 WRT_REG_WORD(&reg->hccr, HCCR_CLR_HOST_INT);
490
491 /* Reset ISP chip. */
492 WRT_REG_WORD(&reg->ctrl_status, CSR_ISP_SOFT_RESET);
493
494 /* Wait for RISC to recover from reset. */
495 if (IS_QLA2100(ha) || IS_QLA2200(ha) || IS_QLA2300(ha)) {
496 /*
497 * It is necessary to for a delay here since the card doesn't
498 * respond to PCI reads during a reset. On some architectures
499 * this will result in an MCA.
500 */
501 udelay(20);
502 for (cnt = 30000; cnt; cnt--) {
503 if ((RD_REG_WORD(&reg->ctrl_status) &
504 CSR_ISP_SOFT_RESET) == 0)
505 break;
506 udelay(100);
507 }
508 } else
509 udelay(10);
510
511 /* Reset RISC processor. */
512 WRT_REG_WORD(&reg->hccr, HCCR_RESET_RISC);
513
514 WRT_REG_WORD(&reg->semaphore, 0);
515
516 /* Release RISC processor. */
517 WRT_REG_WORD(&reg->hccr, HCCR_RELEASE_RISC);
518 RD_REG_WORD(&reg->hccr); /* PCI Posting. */
519
520 if (IS_QLA2100(ha) || IS_QLA2200(ha) || IS_QLA2300(ha)) {
521 for (cnt = 0; cnt < 30000; cnt++) {
522 if (!(test_bit(ABORT_ISP_ACTIVE, &ha->dpc_flags)))
523 spin_lock_irqsave(&ha->mbx_reg_lock, mbx_flags);
524
525 if (RD_MAILBOX_REG(ha, reg, 0) != MBS_BUSY) {
526 if (!(test_bit(ABORT_ISP_ACTIVE,
527 &ha->dpc_flags)))
528 spin_unlock_irqrestore(
529 &ha->mbx_reg_lock, mbx_flags);
530 break;
531 }
532
533 if (!(test_bit(ABORT_ISP_ACTIVE, &ha->dpc_flags)))
534 spin_unlock_irqrestore(&ha->mbx_reg_lock,
535 mbx_flags);
536
537 udelay(100);
538 }
539 } else
540 udelay(100);
541
542 /* Turn on master enable */
543 cmd |= PCI_COMMAND_MASTER;
544 pci_write_config_word(ha->pdev, PCI_COMMAND, cmd);
545
546 /* Disable RISC pause on FPM parity error. */
547 if (!IS_QLA2100(ha)) {
548 WRT_REG_WORD(&reg->hccr, HCCR_DISABLE_PARITY_PAUSE);
549 RD_REG_WORD(&reg->hccr); /* PCI Posting. */
550 }
551
552 spin_unlock_irqrestore(&ha->hardware_lock, flags);
553}
554
0107109e 555/**
88c26663 556 * qla24xx_reset_risc() - Perform full reset of ISP24xx RISC.
0107109e
AV		 557 * @ha: HA context
558 *
559 * Returns 0 on success.
560 */
88c26663
AV		 561static inline void
562qla24xx_reset_risc(scsi_qla_host_t *ha)
0107109e
AV		 563{
564 unsigned long flags = 0;
565 struct device_reg_24xx __iomem *reg = &ha->iobase->isp24;
566 uint32_t cnt, d2;
335a1cc9 567 uint16_t wd;
0107109e 568
0107109e
AV		 569 spin_lock_irqsave(&ha->hardware_lock, flags);
570
571 /* Reset RISC. */
572 WRT_REG_DWORD(&reg->ctrl_status, CSRX_DMA_SHUTDOWN|MWB_4096_BYTES);
573 for (cnt = 0; cnt < 30000; cnt++) {
574 if ((RD_REG_DWORD(&reg->ctrl_status) & CSRX_DMA_ACTIVE) == 0)
575 break;
576
577 udelay(10);
578 }
579
580 WRT_REG_DWORD(&reg->ctrl_status,
581 CSRX_ISP_SOFT_RESET|CSRX_DMA_SHUTDOWN|MWB_4096_BYTES);
335a1cc9 582 pci_read_config_word(ha->pdev, PCI_COMMAND, &wd);
88c26663 583
335a1cc9 584 udelay(100);
88c26663 585 /* Wait for firmware to complete NVRAM accesses. */
88c26663
AV		 586 d2 = (uint32_t) RD_REG_WORD(&reg->mailbox0);
587 for (cnt = 10000 ; cnt && d2; cnt--) {
588 udelay(5);
589 d2 = (uint32_t) RD_REG_WORD(&reg->mailbox0);
590 barrier();
591 }
592
335a1cc9 593 /* Wait for soft-reset to complete. */
0107109e
AV		 594 d2 = RD_REG_DWORD(&reg->ctrl_status);
595 for (cnt = 6000000 ; cnt && (d2 & CSRX_ISP_SOFT_RESET); cnt--) {
596 udelay(5);
597 d2 = RD_REG_DWORD(&reg->ctrl_status);
598 barrier();
599 }
600
601 WRT_REG_DWORD(&reg->hccr, HCCRX_SET_RISC_RESET);
602 RD_REG_DWORD(&reg->hccr);
603
604 WRT_REG_DWORD(&reg->hccr, HCCRX_REL_RISC_PAUSE);
605 RD_REG_DWORD(&reg->hccr);
606
607 WRT_REG_DWORD(&reg->hccr, HCCRX_CLR_RISC_RESET);
608 RD_REG_DWORD(&reg->hccr);
609
610 d2 = (uint32_t) RD_REG_WORD(&reg->mailbox0);
611 for (cnt = 6000000 ; cnt && d2; cnt--) {
612 udelay(5);
613 d2 = (uint32_t) RD_REG_WORD(&reg->mailbox0);
614 barrier();
615 }
616
617 spin_unlock_irqrestore(&ha->hardware_lock, flags);
618}
619
88c26663
AV		 620/**
621 * qla24xx_reset_chip() - Reset ISP24xx chip.
622 * @ha: HA context
623 *
624 * Returns 0 on success.
625 */
626void
627qla24xx_reset_chip(scsi_qla_host_t *ha)
628{
629 ha->isp_ops.disable_intrs(ha);
630
631 /* Perform RISC reset. */
632 qla24xx_reset_risc(ha);
633}
634
1da177e4
LT		 635/**
636 * qla2x00_chip_diag() - Test chip for proper operation.
637 * @ha: HA context
638 *
639 * Returns 0 on success.
640 */
abbd8870 641int
1da177e4
LT		 642qla2x00_chip_diag(scsi_qla_host_t *ha)
643{
644 int rval;
3d71644c 645 struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
1da177e4
LT		 646 unsigned long flags = 0;
647 uint16_t data;
648 uint32_t cnt;
649 uint16_t mb[5];
650
651 /* Assume a failed state */
652 rval = QLA_FUNCTION_FAILED;
653
654 DEBUG3(printk("scsi(%ld): Testing device at %lx.\n",
655 ha->host_no, (u_long)&reg->flash_address));
656
657 spin_lock_irqsave(&ha->hardware_lock, flags);
658
659 /* Reset ISP chip. */
660 WRT_REG_WORD(&reg->ctrl_status, CSR_ISP_SOFT_RESET);
661
662 /*
663 * We need to have a delay here since the card will not respond while
664 * in reset causing an MCA on some architectures.
665 */
666 udelay(20);
667 data = qla2x00_debounce_register(&reg->ctrl_status);
668 for (cnt = 6000000 ; cnt && (data & CSR_ISP_SOFT_RESET); cnt--) {
669 udelay(5);
670 data = RD_REG_WORD(&reg->ctrl_status);
671 barrier();
672 }
673
674 if (!cnt)
675 goto chip_diag_failed;
676
677 DEBUG3(printk("scsi(%ld): Reset register cleared by chip reset\n",
678 ha->host_no));
679
680 /* Reset RISC processor. */
681 WRT_REG_WORD(&reg->hccr, HCCR_RESET_RISC);
682 WRT_REG_WORD(&reg->hccr, HCCR_RELEASE_RISC);
683
684 /* Workaround for QLA2312 PCI parity error */
685 if (IS_QLA2100(ha) || IS_QLA2200(ha) || IS_QLA2300(ha)) {
686 data = qla2x00_debounce_register(MAILBOX_REG(ha, reg, 0));
687 for (cnt = 6000000; cnt && (data == MBS_BUSY); cnt--) {
688 udelay(5);
689 data = RD_MAILBOX_REG(ha, reg, 0);
fa2a1ce5 690 barrier();
1da177e4
LT		 691 }
692 } else
693 udelay(10);
694
695 if (!cnt)
696 goto chip_diag_failed;
697
698 /* Check product ID of chip */
699 DEBUG3(printk("scsi(%ld): Checking product ID of chip\n", ha->host_no));
700
701 mb[1] = RD_MAILBOX_REG(ha, reg, 1);
702 mb[2] = RD_MAILBOX_REG(ha, reg, 2);
703 mb[3] = RD_MAILBOX_REG(ha, reg, 3);
704 mb[4] = qla2x00_debounce_register(MAILBOX_REG(ha, reg, 4));
705 if (mb[1] != PROD_ID_1 || (mb[2] != PROD_ID_2 && mb[2] != PROD_ID_2a) ||
706 mb[3] != PROD_ID_3) {
707 qla_printk(KERN_WARNING, ha,
708 "Wrong product ID = 0x%x,0x%x,0x%x\n", mb[1], mb[2], mb[3]);
709
710 goto chip_diag_failed;
711 }
712 ha->product_id[0] = mb[1];
713 ha->product_id[1] = mb[2];
714 ha->product_id[2] = mb[3];
715 ha->product_id[3] = mb[4];
716
717 /* Adjust fw RISC transfer size */
718 if (ha->request_q_length > 1024)
719 ha->fw_transfer_size = REQUEST_ENTRY_SIZE * 1024;
720 else
721 ha->fw_transfer_size = REQUEST_ENTRY_SIZE *
722 ha->request_q_length;
723
724 if (IS_QLA2200(ha) &&
725 RD_MAILBOX_REG(ha, reg, 7) == QLA2200A_RISC_ROM_VER) {
726 /* Limit firmware transfer size with a 2200A */
727 DEBUG3(printk("scsi(%ld): Found QLA2200A chip.\n",
728 ha->host_no));
729
ea5b6382 730 ha->device_type |= DT_ISP2200A;
1da177e4
LT		 731 ha->fw_transfer_size = 128;
732 }
733
734 /* Wrap Incoming Mailboxes Test. */
735 spin_unlock_irqrestore(&ha->hardware_lock, flags);
736
737 DEBUG3(printk("scsi(%ld): Checking mailboxes.\n", ha->host_no));
738 rval = qla2x00_mbx_reg_test(ha);
739 if (rval) {
740 DEBUG(printk("scsi(%ld): Failed mailbox send register test\n",
741 ha->host_no));
742 qla_printk(KERN_WARNING, ha,
743 "Failed mailbox send register test\n");
744 }
745 else {
746 /* Flag a successful rval */
747 rval = QLA_SUCCESS;
748 }
749 spin_lock_irqsave(&ha->hardware_lock, flags);
750
751chip_diag_failed:
752 if (rval)
753 DEBUG2_3(printk("scsi(%ld): Chip diagnostics **** FAILED "
754 "****\n", ha->host_no));
755
756 spin_unlock_irqrestore(&ha->hardware_lock, flags);
757
758 return (rval);
759}
760
0107109e
AV		 761/**
762 * qla24xx_chip_diag() - Test ISP24xx for proper operation.
763 * @ha: HA context
764 *
765 * Returns 0 on success.
766 */
767int
768qla24xx_chip_diag(scsi_qla_host_t *ha)
769{
770 int rval;
0107109e 771
88c26663
AV		 772 /* Perform RISC reset. */
773 qla24xx_reset_risc(ha);
0107109e
AV		 774
775 ha->fw_transfer_size = REQUEST_ENTRY_SIZE * 1024;
776
777 rval = qla2x00_mbx_reg_test(ha);
778 if (rval) {
779 DEBUG(printk("scsi(%ld): Failed mailbox send register test\n",
780 ha->host_no));
781 qla_printk(KERN_WARNING, ha,
782 "Failed mailbox send register test\n");
783 } else {
784 /* Flag a successful rval */
785 rval = QLA_SUCCESS;
786 }
787
788 return rval;
789}
790
791static void
792qla2x00_alloc_fw_dump(scsi_qla_host_t *ha)
793{
794 ha->fw_dumped = 0;
795 ha->fw_dump24_len = sizeof(struct qla24xx_fw_dump);
796 ha->fw_dump24_len += (ha->fw_memory_size - 0x100000) * sizeof(uint32_t);
797 ha->fw_dump24 = vmalloc(ha->fw_dump24_len);
798 if (ha->fw_dump24)
799 qla_printk(KERN_INFO, ha, "Allocated (%d KB) for firmware "
800 "dump...\n", ha->fw_dump24_len / 1024);
801 else
802 qla_printk(KERN_WARNING, ha, "Unable to allocate (%d KB) for "
803 "firmware dump!!!\n", ha->fw_dump24_len / 1024);
804}
805
1da177e4
LT		 806/**
807 * qla2x00_resize_request_q() - Resize request queue given available ISP memory.
808 * @ha: HA context
809 *
810 * Returns 0 on success.
811 */
812static void
813qla2x00_resize_request_q(scsi_qla_host_t *ha)
814{
815 int rval;
816 uint16_t fw_iocb_cnt = 0;
817 uint16_t request_q_length = REQUEST_ENTRY_CNT_2XXX_EXT_MEM;
818 dma_addr_t request_dma;
819 request_t *request_ring;
820
821 /* Valid only on recent ISPs. */
822 if (IS_QLA2100(ha) || IS_QLA2200(ha))
823 return;
824
044cc6c8 825 if (IS_QLA24XX(ha) || IS_QLA54XX(ha))
0107109e
AV		 826 qla2x00_alloc_fw_dump(ha);
827
1da177e4
LT		 828 /* Retrieve IOCB counts available to the firmware. */
829 rval = qla2x00_get_resource_cnts(ha, NULL, NULL, NULL, &fw_iocb_cnt);
830 if (rval)
831 return;
832 /* No point in continuing if current settings are sufficient. */
833 if (fw_iocb_cnt < 1024)
834 return;
835 if (ha->request_q_length >= request_q_length)
836 return;
837
838 /* Attempt to claim larger area for request queue. */
839 request_ring = dma_alloc_coherent(&ha->pdev->dev,
840 (request_q_length + 1) * sizeof(request_t), &request_dma,
841 GFP_KERNEL);
842 if (request_ring == NULL)
843 return;
844
845 /* Resize successful, report extensions. */
846 qla_printk(KERN_INFO, ha, "Extended memory detected (%d KB)...\n",
847 (ha->fw_memory_size + 1) / 1024);
848 qla_printk(KERN_INFO, ha, "Resizing request queue depth "
849 "(%d -> %d)...\n", ha->request_q_length, request_q_length);
850
851 /* Clear old allocations. */
852 dma_free_coherent(&ha->pdev->dev,
853 (ha->request_q_length + 1) * sizeof(request_t), ha->request_ring,
854 ha->request_dma);
855
856 /* Begin using larger queue. */
857 ha->request_q_length = request_q_length;
858 ha->request_ring = request_ring;
859 ha->request_dma = request_dma;
860}
861
862/**
863 * qla2x00_setup_chip() - Load and start RISC firmware.
864 * @ha: HA context
865 *
866 * Returns 0 on success.
867 */
868static int
869qla2x00_setup_chip(scsi_qla_host_t *ha)
870{
0107109e
AV		 871 int rval;
872 uint32_t srisc_address = 0;
1da177e4
LT		 873
874 /* Load firmware sequences */
0107109e
AV		 875 rval = ha->isp_ops.load_risc(ha, &srisc_address);
876 if (rval == QLA_SUCCESS) {
1da177e4
LT		 877 DEBUG(printk("scsi(%ld): Verifying Checksum of loaded RISC "
878 "code.\n", ha->host_no));
879
0107109e 880 rval = qla2x00_verify_checksum(ha, srisc_address);
1da177e4
LT		 881 if (rval == QLA_SUCCESS) {
882 /* Start firmware execution. */
883 DEBUG(printk("scsi(%ld): Checksum OK, start "
884 "firmware.\n", ha->host_no));
885
0107109e 886 rval = qla2x00_execute_fw(ha, srisc_address);
1da177e4
LT		 887 /* Retrieve firmware information. */
888 if (rval == QLA_SUCCESS && ha->fw_major_version == 0) {
889 qla2x00_get_fw_version(ha,
890 &ha->fw_major_version,
891 &ha->fw_minor_version,
892 &ha->fw_subminor_version,
893 &ha->fw_attributes, &ha->fw_memory_size);
894 qla2x00_resize_request_q(ha);
895 }
896 } else {
897 DEBUG2(printk(KERN_INFO
898 "scsi(%ld): ISP Firmware failed checksum.\n",
899 ha->host_no));
900 }
901 }
902
903 if (rval) {
904 DEBUG2_3(printk("scsi(%ld): Setup chip **** FAILED ****.\n",
905 ha->host_no));
906 }
907
908 return (rval);
909}
910
911/**
912 * qla2x00_init_response_q_entries() - Initializes response queue entries.
913 * @ha: HA context
914 *
915 * Beginning of request ring has initialization control block already built
916 * by nvram config routine.
917 *
918 * Returns 0 on success.
919 */
920static void
921qla2x00_init_response_q_entries(scsi_qla_host_t *ha)
922{
923 uint16_t cnt;
924 response_t *pkt;
925
926 pkt = ha->response_ring_ptr;
927 for (cnt = 0; cnt < ha->response_q_length; cnt++) {
928 pkt->signature = RESPONSE_PROCESSED;
929 pkt++;
930 }
931
932}
933
934/**
935 * qla2x00_update_fw_options() - Read and process firmware options.
936 * @ha: HA context
937 *
938 * Returns 0 on success.
939 */
abbd8870 940void
1da177e4
LT		 941qla2x00_update_fw_options(scsi_qla_host_t *ha)
942{
943 uint16_t swing, emphasis, tx_sens, rx_sens;
944
945 memset(ha->fw_options, 0, sizeof(ha->fw_options));
946 qla2x00_get_fw_options(ha, ha->fw_options);
947
948 if (IS_QLA2100(ha) || IS_QLA2200(ha))
949 return;
950
951 /* Serial Link options. */
952 DEBUG3(printk("scsi(%ld): Serial link options:\n",
953 ha->host_no));
954 DEBUG3(qla2x00_dump_buffer((uint8_t *)&ha->fw_seriallink_options,
955 sizeof(ha->fw_seriallink_options)));
956
957 ha->fw_options[1] &= ~FO1_SET_EMPHASIS_SWING;
958 if (ha->fw_seriallink_options[3] & BIT_2) {
959 ha->fw_options[1] |= FO1_SET_EMPHASIS_SWING;
960
961 /* 1G settings */
962 swing = ha->fw_seriallink_options[2] & (BIT_2 | BIT_1 | BIT_0);
963 emphasis = (ha->fw_seriallink_options[2] &
964 (BIT_4 | BIT_3)) >> 3;
965 tx_sens = ha->fw_seriallink_options[0] &
fa2a1ce5 966 (BIT_3 | BIT_2 | BIT_1 | BIT_0);
1da177e4
LT		 967 rx_sens = (ha->fw_seriallink_options[0] &
968 (BIT_7 | BIT_6 | BIT_5 | BIT_4)) >> 4;
969 ha->fw_options[10] = (emphasis << 14) | (swing << 8);
970 if (IS_QLA2300(ha) || IS_QLA2312(ha) || IS_QLA6312(ha)) {
971 if (rx_sens == 0x0)
972 rx_sens = 0x3;
973 ha->fw_options[10] |= (tx_sens << 4) | rx_sens;
974 } else if (IS_QLA2322(ha) || IS_QLA6322(ha))
975 ha->fw_options[10] |= BIT_5 |
976 ((rx_sens & (BIT_1 | BIT_0)) << 2) |
977 (tx_sens & (BIT_1 | BIT_0));
978
979 /* 2G settings */
980 swing = (ha->fw_seriallink_options[2] &
981 (BIT_7 | BIT_6 | BIT_5)) >> 5;
982 emphasis = ha->fw_seriallink_options[3] & (BIT_1 | BIT_0);
983 tx_sens = ha->fw_seriallink_options[1] &
fa2a1ce5 984 (BIT_3 | BIT_2 | BIT_1 | BIT_0);
1da177e4
LT		 985 rx_sens = (ha->fw_seriallink_options[1] &
986 (BIT_7 | BIT_6 | BIT_5 | BIT_4)) >> 4;
987 ha->fw_options[11] = (emphasis << 14) | (swing << 8);
988 if (IS_QLA2300(ha) || IS_QLA2312(ha) || IS_QLA6312(ha)) {
989 if (rx_sens == 0x0)
990 rx_sens = 0x3;
991 ha->fw_options[11] |= (tx_sens << 4) | rx_sens;
992 } else if (IS_QLA2322(ha) || IS_QLA6322(ha))
993 ha->fw_options[11] |= BIT_5 |
994 ((rx_sens & (BIT_1 | BIT_0)) << 2) |
995 (tx_sens & (BIT_1 | BIT_0));
996 }
997
998 /* FCP2 options. */
999 /* Return command IOCBs without waiting for an ABTS to complete. */
1000 ha->fw_options[3] |= BIT_13;
1001
1002 /* LED scheme. */
1003 if (ha->flags.enable_led_scheme)
1004 ha->fw_options[2] |= BIT_12;
1005
48c02fde
AV		 1006 /* Detect ISP6312. */
1007 if (IS_QLA6312(ha))
1008 ha->fw_options[2] |= BIT_13;
1009
1da177e4
LT		 1010 /* Update firmware options. */
1011 qla2x00_set_fw_options(ha, ha->fw_options);
1012}
1013
0107109e
AV		 1014void
1015qla24xx_update_fw_options(scsi_qla_host_t *ha)
1016{
1017 int rval;
1018
1019 /* Update Serial Link options. */
f94097ed 1020 if ((le16_to_cpu(ha->fw_seriallink_options24[0]) & BIT_0) == 0)
0107109e
AV		 1021 return;
1022
f94097ed
AV		 1023 rval = qla2x00_set_serdes_params(ha,
1024 le16_to_cpu(ha->fw_seriallink_options24[1]),
1025 le16_to_cpu(ha->fw_seriallink_options24[2]),
1026 le16_to_cpu(ha->fw_seriallink_options24[3]));
0107109e
AV		 1027 if (rval != QLA_SUCCESS) {
1028 qla_printk(KERN_WARNING, ha,
1029 "Unable to update Serial Link options (%x).\n", rval);
1030 }
1031}
1032
abbd8870
AV		 1033void
1034qla2x00_config_rings(struct scsi_qla_host *ha)
1035{
3d71644c 1036 struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
abbd8870
AV		 1037
1038 /* Setup ring parameters in initialization control block. */
1039 ha->init_cb->request_q_outpointer = __constant_cpu_to_le16(0);
1040 ha->init_cb->response_q_inpointer = __constant_cpu_to_le16(0);
1041 ha->init_cb->request_q_length = cpu_to_le16(ha->request_q_length);
1042 ha->init_cb->response_q_length = cpu_to_le16(ha->response_q_length);
1043 ha->init_cb->request_q_address[0] = cpu_to_le32(LSD(ha->request_dma));
1044 ha->init_cb->request_q_address[1] = cpu_to_le32(MSD(ha->request_dma));
1045 ha->init_cb->response_q_address[0] = cpu_to_le32(LSD(ha->response_dma));
1046 ha->init_cb->response_q_address[1] = cpu_to_le32(MSD(ha->response_dma));
1047
1048 WRT_REG_WORD(ISP_REQ_Q_IN(ha, reg), 0);
1049 WRT_REG_WORD(ISP_REQ_Q_OUT(ha, reg), 0);
1050 WRT_REG_WORD(ISP_RSP_Q_IN(ha, reg), 0);
1051 WRT_REG_WORD(ISP_RSP_Q_OUT(ha, reg), 0);
1052 RD_REG_WORD(ISP_RSP_Q_OUT(ha, reg)); /* PCI Posting. */
1053}
1054
0107109e
AV		 1055void
1056qla24xx_config_rings(struct scsi_qla_host *ha)
1057{
1058 struct device_reg_24xx __iomem *reg = &ha->iobase->isp24;
1059 struct init_cb_24xx *icb;
1060
1061 /* Setup ring parameters in initialization control block. */
1062 icb = (struct init_cb_24xx *)ha->init_cb;
1063 icb->request_q_outpointer = __constant_cpu_to_le16(0);
1064 icb->response_q_inpointer = __constant_cpu_to_le16(0);
1065 icb->request_q_length = cpu_to_le16(ha->request_q_length);
1066 icb->response_q_length = cpu_to_le16(ha->response_q_length);
1067 icb->request_q_address[0] = cpu_to_le32(LSD(ha->request_dma));
1068 icb->request_q_address[1] = cpu_to_le32(MSD(ha->request_dma));
1069 icb->response_q_address[0] = cpu_to_le32(LSD(ha->response_dma));
1070 icb->response_q_address[1] = cpu_to_le32(MSD(ha->response_dma));
1071
1072 WRT_REG_DWORD(&reg->req_q_in, 0);
1073 WRT_REG_DWORD(&reg->req_q_out, 0);
1074 WRT_REG_DWORD(&reg->rsp_q_in, 0);
1075 WRT_REG_DWORD(&reg->rsp_q_out, 0);
1076 RD_REG_DWORD(&reg->rsp_q_out);
1077}
1078
1da177e4
LT		 1079/**
1080 * qla2x00_init_rings() - Initializes firmware.
1081 * @ha: HA context
1082 *
1083 * Beginning of request ring has initialization control block already built
1084 * by nvram config routine.
1085 *
1086 * Returns 0 on success.
1087 */
1088static int
1089qla2x00_init_rings(scsi_qla_host_t *ha)
1090{
1091 int rval;
1092 unsigned long flags = 0;
1093 int cnt;
1da177e4
LT		 1094
1095 spin_lock_irqsave(&ha->hardware_lock, flags);
1096
1097 /* Clear outstanding commands array. */
1098 for (cnt = 0; cnt < MAX_OUTSTANDING_COMMANDS; cnt++)
1099 ha->outstanding_cmds[cnt] = NULL;
1100
1101 ha->current_outstanding_cmd = 0;
1102
1103 /* Clear RSCN queue. */
1104 ha->rscn_in_ptr = 0;
1105 ha->rscn_out_ptr = 0;
1106
1107 /* Initialize firmware. */
1108 ha->request_ring_ptr = ha->request_ring;
1109 ha->req_ring_index = 0;
1110 ha->req_q_cnt = ha->request_q_length;
1111 ha->response_ring_ptr = ha->response_ring;
1112 ha->rsp_ring_index = 0;
1113
1da177e4
LT		 1114 /* Initialize response queue entries */
1115 qla2x00_init_response_q_entries(ha);
1116
abbd8870 1117 ha->isp_ops.config_rings(ha);
1da177e4
LT		 1118
1119 spin_unlock_irqrestore(&ha->hardware_lock, flags);
1120
1121 /* Update any ISP specific firmware options before initialization. */
abbd8870 1122 ha->isp_ops.update_fw_options(ha);
1da177e4
LT		 1123
1124 DEBUG(printk("scsi(%ld): Issue init firmware.\n", ha->host_no));
0107109e 1125 rval = qla2x00_init_firmware(ha, ha->init_cb_size);
1da177e4
LT		 1126 if (rval) {
1127 DEBUG2_3(printk("scsi(%ld): Init firmware **** FAILED ****.\n",
1128 ha->host_no));
1129 } else {
1130 DEBUG3(printk("scsi(%ld): Init firmware -- success.\n",
1131 ha->host_no));
1132 }
1133
1134 return (rval);
1135}
1136
1137/**
1138 * qla2x00_fw_ready() - Waits for firmware ready.
1139 * @ha: HA context
1140 *
1141 * Returns 0 on success.
1142 */
1143static int
1144qla2x00_fw_ready(scsi_qla_host_t *ha)
1145{
1146 int rval;
1147 unsigned long wtime, mtime;
1148 uint16_t min_wait; /* Minimum wait time if loop is down */
1149 uint16_t wait_time; /* Wait time if loop is coming ready */
1150 uint16_t fw_state;
1151
1152 rval = QLA_SUCCESS;
1153
1154 /* 20 seconds for loop down. */
fa2a1ce5 1155 min_wait = 20;
1da177e4
LT		 1156
1157 /*
1158 * Firmware should take at most one RATOV to login, plus 5 seconds for
1159 * our own processing.
1160 */
1161 if ((wait_time = (ha->retry_count*ha->login_timeout) + 5) < min_wait) {
1162 wait_time = min_wait;
1163 }
1164
1165 /* Min wait time if loop down */
1166 mtime = jiffies + (min_wait * HZ);
1167
1168 /* wait time before firmware ready */
1169 wtime = jiffies + (wait_time * HZ);
1170
1171 /* Wait for ISP to finish LIP */
1172 if (!ha->flags.init_done)
1173 qla_printk(KERN_INFO, ha, "Waiting for LIP to complete...\n");
1174
1175 DEBUG3(printk("scsi(%ld): Waiting for LIP to complete...\n",
1176 ha->host_no));
1177
1178 do {
1179 rval = qla2x00_get_firmware_state(ha, &fw_state);
1180 if (rval == QLA_SUCCESS) {
1181 if (fw_state < FSTATE_LOSS_OF_SYNC) {
1182 ha->device_flags &= ~DFLG_NO_CABLE;
1183 }
1184 if (fw_state == FSTATE_READY) {
1185 DEBUG(printk("scsi(%ld): F/W Ready - OK \n",
1186 ha->host_no));
1187
1188 qla2x00_get_retry_cnt(ha, &ha->retry_count,
1189 &ha->login_timeout, &ha->r_a_tov);
1190
1191 rval = QLA_SUCCESS;
1192 break;
1193 }
1194
1195 rval = QLA_FUNCTION_FAILED;
1196
1197 if (atomic_read(&ha->loop_down_timer) &&
1198 (fw_state >= FSTATE_LOSS_OF_SYNC ||
1199 fw_state == FSTATE_WAIT_AL_PA)) {
1200 /* Loop down. Timeout on min_wait for states
fa2a1ce5
AV		 1201 * other than Wait for Login.
1202 */
1da177e4
LT		 1203 if (time_after_eq(jiffies, mtime)) {
1204 qla_printk(KERN_INFO, ha,
1205 "Cable is unplugged...\n");
1206
1207 ha->device_flags |= DFLG_NO_CABLE;
1208 break;
1209 }
1210 }
1211 } else {
1212 /* Mailbox cmd failed. Timeout on min_wait. */
1213 if (time_after_eq(jiffies, mtime))
1214 break;
1215 }
1216
1217 if (time_after_eq(jiffies, wtime))
1218 break;
1219
1220 /* Delay for a while */
1221 msleep(500);
1222
1223 DEBUG3(printk("scsi(%ld): fw_state=%x curr time=%lx.\n",
1224 ha->host_no, fw_state, jiffies));
1225 } while (1);
1226
1227 DEBUG(printk("scsi(%ld): fw_state=%x curr time=%lx.\n",
1228 ha->host_no, fw_state, jiffies));
1229
1230 if (rval) {
1231 DEBUG2_3(printk("scsi(%ld): Firmware ready **** FAILED ****.\n",
1232 ha->host_no));
1233 }
1234
1235 return (rval);
1236}
1237
1238/*
1239* qla2x00_configure_hba
1240* Setup adapter context.
1241*
1242* Input:
1243* ha = adapter state pointer.
1244*
1245* Returns:
1246* 0 = success
1247*
1248* Context:
1249* Kernel context.
1250*/
1251static int
1252qla2x00_configure_hba(scsi_qla_host_t *ha)
1253{
1254 int rval;
1255 uint16_t loop_id;
1256 uint16_t topo;
1257 uint8_t al_pa;
1258 uint8_t area;
1259 uint8_t domain;
1260 char connect_type[22];
1261
1262 /* Get host addresses. */
1263 rval = qla2x00_get_adapter_id(ha,
1264 &loop_id, &al_pa, &area, &domain, &topo);
1265 if (rval != QLA_SUCCESS) {
23443b1d 1266 if (LOOP_TRANSITION(ha) || atomic_read(&ha->loop_down_timer) ||
33135aa2
RA		 1267 (rval == QLA_COMMAND_ERROR && loop_id == 0x7)) {
1268 DEBUG2(printk("%s(%ld) Loop is in a transition state\n",
1269 __func__, ha->host_no));
1270 } else {
1271 qla_printk(KERN_WARNING, ha,
1272 "ERROR -- Unable to get host loop ID.\n");
1273 set_bit(ISP_ABORT_NEEDED, &ha->dpc_flags);
1274 }
1da177e4
LT		 1275 return (rval);
1276 }
1277
1278 if (topo == 4) {
1279 qla_printk(KERN_INFO, ha,
1280 "Cannot get topology - retrying.\n");
1281 return (QLA_FUNCTION_FAILED);
1282 }
1283
1284 ha->loop_id = loop_id;
1285
1286 /* initialize */
1287 ha->min_external_loopid = SNS_FIRST_LOOP_ID;
1288 ha->operating_mode = LOOP;
1289
1290 switch (topo) {
1291 case 0:
1292 DEBUG3(printk("scsi(%ld): HBA in NL topology.\n",
1293 ha->host_no));
1294 ha->current_topology = ISP_CFG_NL;
1295 strcpy(connect_type, "(Loop)");
1296 break;
1297
1298 case 1:
1299 DEBUG3(printk("scsi(%ld): HBA in FL topology.\n",
1300 ha->host_no));
1301 ha->current_topology = ISP_CFG_FL;
1302 strcpy(connect_type, "(FL_Port)");
1303 break;
1304
1305 case 2:
1306 DEBUG3(printk("scsi(%ld): HBA in N P2P topology.\n",
1307 ha->host_no));
1308 ha->operating_mode = P2P;
1309 ha->current_topology = ISP_CFG_N;
1310 strcpy(connect_type, "(N_Port-to-N_Port)");
1311 break;
1312
1313 case 3:
1314 DEBUG3(printk("scsi(%ld): HBA in F P2P topology.\n",
1315 ha->host_no));
1316 ha->operating_mode = P2P;
1317 ha->current_topology = ISP_CFG_F;
1318 strcpy(connect_type, "(F_Port)");
1319 break;
1320
1321 default:
1322 DEBUG3(printk("scsi(%ld): HBA in unknown topology %x. "
1323 "Using NL.\n",
1324 ha->host_no, topo));
1325 ha->current_topology = ISP_CFG_NL;
1326 strcpy(connect_type, "(Loop)");
1327 break;
1328 }
1329
1330 /* Save Host port and loop ID. */
1331 /* byte order - Big Endian */
1332 ha->d_id.b.domain = domain;
1333 ha->d_id.b.area = area;
1334 ha->d_id.b.al_pa = al_pa;
1335
1336 if (!ha->flags.init_done)
1337 qla_printk(KERN_INFO, ha,
1338 "Topology - %s, Host Loop address 0x%x\n",
1339 connect_type, ha->loop_id);
1340
1341 if (rval) {
1342 DEBUG2_3(printk("scsi(%ld): FAILED.\n", ha->host_no));
1343 } else {
1344 DEBUG3(printk("scsi(%ld): exiting normally.\n", ha->host_no));
1345 }
1346
1347 return(rval);
1348}
1349
1350/*
1351* NVRAM configuration for ISP 2xxx
1352*
1353* Input:
1354* ha = adapter block pointer.
1355*
1356* Output:
1357* initialization control block in response_ring
1358* host adapters parameters in host adapter block
1359*
1360* Returns:
1361* 0 = success.
1362*/
abbd8870 1363int
1da177e4
LT		 1364qla2x00_nvram_config(scsi_qla_host_t *ha)
1365{
0107109e
AV		 1366 int rval;
1367 uint8_t chksum = 0;
1368 uint16_t cnt;
1369 uint8_t *dptr1, *dptr2;
1370 init_cb_t *icb = ha->init_cb;
1371 nvram_t *nv = (nvram_t *)ha->request_ring;
1372 uint8_t *ptr = (uint8_t *)ha->request_ring;
3d71644c 1373 struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
1da177e4
LT		 1374
1375 rval = QLA_SUCCESS;
1376
1377 /* Determine NVRAM starting address. */
0107109e 1378 ha->nvram_size = sizeof(nvram_t);
1da177e4
LT		 1379 ha->nvram_base = 0;
1380 if (!IS_QLA2100(ha) && !IS_QLA2200(ha) && !IS_QLA2300(ha))
1381 if ((RD_REG_WORD(&reg->ctrl_status) >> 14) == 1)
1382 ha->nvram_base = 0x80;
1383
1384 /* Get NVRAM data and calculate checksum. */
0107109e
AV		 1385 ha->isp_ops.read_nvram(ha, ptr, ha->nvram_base, ha->nvram_size);
1386 for (cnt = 0, chksum = 0; cnt < ha->nvram_size; cnt++)
1387 chksum += *ptr++;
1da177e4
LT		 1388
1389 DEBUG5(printk("scsi(%ld): Contents of NVRAM\n", ha->host_no));
1390 DEBUG5(qla2x00_dump_buffer((uint8_t *)ha->request_ring,
0107109e 1391 ha->nvram_size));
1da177e4
LT		 1392
1393 /* Bad NVRAM data, set defaults parameters. */
1394 if (chksum || nv->id[0] != 'I' || nv->id[1] != 'S' ||
1395 nv->id[2] != 'P' || nv->id[3] != ' ' || nv->nvram_version < 1) {
1396 /* Reset NVRAM data. */
1397 qla_printk(KERN_WARNING, ha, "Inconsistent NVRAM detected: "
1398 "checksum=0x%x id=%c version=0x%x.\n", chksum, nv->id[0],
1399 nv->nvram_version);
1400 qla_printk(KERN_WARNING, ha, "Falling back to functioning (yet "
1401 "invalid -- WWPN) defaults.\n");
1402
1403 /*
1404 * Set default initialization control block.
1405 */
0107109e 1406 memset(nv, 0, ha->nvram_size);
1da177e4
LT		 1407 nv->parameter_block_version = ICB_VERSION;
1408
1409 if (IS_QLA23XX(ha)) {
1410 nv->firmware_options[0] = BIT_2 | BIT_1;
1411 nv->firmware_options[1] = BIT_7 | BIT_5;
1412 nv->add_firmware_options[0] = BIT_5;
1413 nv->add_firmware_options[1] = BIT_5 | BIT_4;
1414 nv->frame_payload_size = __constant_cpu_to_le16(2048);
1415 nv->special_options[1] = BIT_7;
1416 } else if (IS_QLA2200(ha)) {
1417 nv->firmware_options[0] = BIT_2 | BIT_1;
1418 nv->firmware_options[1] = BIT_7 | BIT_5;
1419 nv->add_firmware_options[0] = BIT_5;
1420 nv->add_firmware_options[1] = BIT_5 | BIT_4;
1421 nv->frame_payload_size = __constant_cpu_to_le16(1024);
1422 } else if (IS_QLA2100(ha)) {
1423 nv->firmware_options[0] = BIT_3 | BIT_1;
1424 nv->firmware_options[1] = BIT_5;
1425 nv->frame_payload_size = __constant_cpu_to_le16(1024);
1426 }
1427
1428 nv->max_iocb_allocation = __constant_cpu_to_le16(256);
1429 nv->execution_throttle = __constant_cpu_to_le16(16);
1430 nv->retry_count = 8;
1431 nv->retry_delay = 1;
1432
1433 nv->port_name[0] = 33;
1434 nv->port_name[3] = 224;
1435 nv->port_name[4] = 139;
1436
1437 nv->login_timeout = 4;
1438
1439 /*
1440 * Set default host adapter parameters
1441 */
1442 nv->host_p[1] = BIT_2;
1443 nv->reset_delay = 5;
1444 nv->port_down_retry_count = 8;
1445 nv->max_luns_per_target = __constant_cpu_to_le16(8);
1446 nv->link_down_timeout = 60;
1447
1448 rval = 1;
1449 }
1450
1451#if defined(CONFIG_IA64_GENERIC) || defined(CONFIG_IA64_SGI_SN2)
1452 /*
1453 * The SN2 does not provide BIOS emulation which means you can't change
1454 * potentially bogus BIOS settings. Force the use of default settings
1455 * for link rate and frame size. Hope that the rest of the settings
1456 * are valid.
1457 */
1458 if (ia64_platform_is("sn2")) {
1459 nv->frame_payload_size = __constant_cpu_to_le16(2048);
1460 if (IS_QLA23XX(ha))
1461 nv->special_options[1] = BIT_7;
1462 }
1463#endif
1464
1465 /* Reset Initialization control block */
0107109e 1466 memset(icb, 0, ha->init_cb_size);
1da177e4
LT		 1467
1468 /*
1469 * Setup driver NVRAM options.
1470 */
1471 nv->firmware_options[0] |= (BIT_6 | BIT_1);
1472 nv->firmware_options[0] &= ~(BIT_5 | BIT_4);
1473 nv->firmware_options[1] |= (BIT_5 | BIT_0);
1474 nv->firmware_options[1] &= ~BIT_4;
1475
1476 if (IS_QLA23XX(ha)) {
1477 nv->firmware_options[0] |= BIT_2;
1478 nv->firmware_options[0] &= ~BIT_3;
0107109e 1479 nv->add_firmware_options[1] |= BIT_5 | BIT_4;
1da177e4
LT		 1480
1481 if (IS_QLA2300(ha)) {
1482 if (ha->fb_rev == FPM_2310) {
1483 strcpy(ha->model_number, "QLA2310");
1484 } else {
1485 strcpy(ha->model_number, "QLA2300");
1486 }
1487 } else {
1488 if (rval == 0 &&
1489 memcmp(nv->model_number, BINZERO,
1490 sizeof(nv->model_number)) != 0) {
1491 char *st, *en;
1492
1493 strncpy(ha->model_number, nv->model_number,
1494 sizeof(nv->model_number));
1495 st = en = ha->model_number;
1496 en += sizeof(nv->model_number) - 1;
1497 while (en > st) {
1498 if (*en != 0x20 && *en != 0x00)
1499 break;
1500 *en-- = '\0';
1501 }
1502 } else {
1503 uint16_t index;
1504
1505 index = (ha->pdev->subsystem_device & 0xff);
1506 if (index < QLA_MODEL_NAMES) {
1507 strcpy(ha->model_number,
1328962e 1508 qla2x00_model_name[index * 2]);
1da177e4 1509 ha->model_desc =
1328962e 1510 qla2x00_model_name[index * 2 + 1];
1da177e4
LT		 1511 } else {
1512 strcpy(ha->model_number, "QLA23xx");
1513 }
1514 }
1515 }
1516 } else if (IS_QLA2200(ha)) {
1517 nv->firmware_options[0] |= BIT_2;
1518 /*
1519 * 'Point-to-point preferred, else loop' is not a safe
1520 * connection mode setting.
1521 */
1522 if ((nv->add_firmware_options[0] & (BIT_6 | BIT_5 | BIT_4)) ==
1523 (BIT_5 | BIT_4)) {
1524 /* Force 'loop preferred, else point-to-point'. */
1525 nv->add_firmware_options[0] &= ~(BIT_6 | BIT_5 | BIT_4);
1526 nv->add_firmware_options[0] |= BIT_5;
1527 }
1528 strcpy(ha->model_number, "QLA22xx");
1529 } else /*if (IS_QLA2100(ha))*/ {
1530 strcpy(ha->model_number, "QLA2100");
1531 }
1532
1533 /*
1534 * Copy over NVRAM RISC parameter block to initialization control block.
1535 */
1536 dptr1 = (uint8_t *)icb;
1537 dptr2 = (uint8_t *)&nv->parameter_block_version;
1538 cnt = (uint8_t *)&icb->request_q_outpointer - (uint8_t *)&icb->version;
1539 while (cnt--)
1540 *dptr1++ = *dptr2++;
1541
1542 /* Copy 2nd half. */
1543 dptr1 = (uint8_t *)icb->add_firmware_options;
1544 cnt = (uint8_t *)icb->reserved_3 - (uint8_t *)icb->add_firmware_options;
1545 while (cnt--)
1546 *dptr1++ = *dptr2++;
1547
1548 /* Prepare nodename */
1549 if ((icb->firmware_options[1] & BIT_6) == 0) {
1550 /*
1551 * Firmware will apply the following mask if the nodename was
1552 * not provided.
1553 */
1554 memcpy(icb->node_name, icb->port_name, WWN_SIZE);
1555 icb->node_name[0] &= 0xF0;
1556 }
1557
1558 /*
1559 * Set host adapter parameters.
1560 */
1da177e4
LT		 1561 ha->flags.disable_risc_code_load = ((nv->host_p[0] & BIT_4) ? 1 : 0);
1562 /* Always load RISC code on non ISP2[12]00 chips. */
1563 if (!IS_QLA2100(ha) && !IS_QLA2200(ha))
1564 ha->flags.disable_risc_code_load = 0;
1565 ha->flags.enable_lip_reset = ((nv->host_p[1] & BIT_1) ? 1 : 0);
1566 ha->flags.enable_lip_full_login = ((nv->host_p[1] & BIT_2) ? 1 : 0);
1567 ha->flags.enable_target_reset = ((nv->host_p[1] & BIT_3) ? 1 : 0);
06c22bd1 1568 ha->flags.enable_led_scheme = (nv->special_options[1] & BIT_4) ? 1 : 0;
1da177e4
LT		 1569
1570 ha->operating_mode =
1571 (icb->add_firmware_options[0] & (BIT_6 | BIT_5 | BIT_4)) >> 4;
1572
1573 memcpy(ha->fw_seriallink_options, nv->seriallink_options,
1574 sizeof(ha->fw_seriallink_options));
1575
1576 /* save HBA serial number */
1577 ha->serial0 = icb->port_name[5];
1578 ha->serial1 = icb->port_name[6];
1579 ha->serial2 = icb->port_name[7];
3d71644c
AV		 1580 ha->node_name = icb->node_name;
1581 ha->port_name = icb->port_name;
1da177e4
LT		 1582
1583 icb->execution_throttle = __constant_cpu_to_le16(0xFFFF);
1584
1585 ha->retry_count = nv->retry_count;
1586
1587 /* Set minimum login_timeout to 4 seconds. */
1588 if (nv->login_timeout < ql2xlogintimeout)
1589 nv->login_timeout = ql2xlogintimeout;
1590 if (nv->login_timeout < 4)
1591 nv->login_timeout = 4;
1592 ha->login_timeout = nv->login_timeout;
1593 icb->login_timeout = nv->login_timeout;
1594
1595 /* Set minimum RATOV to 200 tenths of a second. */
1596 ha->r_a_tov = 200;
1597
1da177e4
LT		 1598 ha->loop_reset_delay = nv->reset_delay;
1599
1da177e4
LT		 1600 /* Link Down Timeout = 0:
1601 *
1602 * When Port Down timer expires we will start returning
1603 * I/O's to OS with "DID_NO_CONNECT".
1604 *
1605 * Link Down Timeout != 0:
1606 *
1607 * The driver waits for the link to come up after link down
1608 * before returning I/Os to OS with "DID_NO_CONNECT".
fa2a1ce5 1609 */
1da177e4
LT		 1610 if (nv->link_down_timeout == 0) {
1611 ha->loop_down_abort_time =
354d6b21 1612 (LOOP_DOWN_TIME - LOOP_DOWN_TIMEOUT);
1da177e4
LT		 1613 } else {
1614 ha->link_down_timeout = nv->link_down_timeout;
1615 ha->loop_down_abort_time =
1616 (LOOP_DOWN_TIME - ha->link_down_timeout);
fa2a1ce5 1617 }
1da177e4 1618
1da177e4
LT		 1619 /*
1620 * Need enough time to try and get the port back.
1621 */
1622 ha->port_down_retry_count = nv->port_down_retry_count;
1623 if (qlport_down_retry)
1624 ha->port_down_retry_count = qlport_down_retry;
1625 /* Set login_retry_count */
1626 ha->login_retry_count = nv->retry_count;
1627 if (ha->port_down_retry_count == nv->port_down_retry_count &&
1628 ha->port_down_retry_count > 3)
1629 ha->login_retry_count = ha->port_down_retry_count;
1630 else if (ha->port_down_retry_count > (int)ha->login_retry_count)
1631 ha->login_retry_count = ha->port_down_retry_count;
1632 if (ql2xloginretrycount)
1633 ha->login_retry_count = ql2xloginretrycount;
1634
1da177e4
LT		 1635 icb->lun_enables = __constant_cpu_to_le16(0);
1636 icb->command_resource_count = 0;
1637 icb->immediate_notify_resource_count = 0;
1638 icb->timeout = __constant_cpu_to_le16(0);
1639
1640 if (IS_QLA2100(ha) || IS_QLA2200(ha)) {
1641 /* Enable RIO */
1642 icb->firmware_options[0] &= ~BIT_3;
1643 icb->add_firmware_options[0] &=
1644 ~(BIT_3 | BIT_2 | BIT_1 | BIT_0);
1645 icb->add_firmware_options[0] |= BIT_2;
1646 icb->response_accumulation_timer = 3;
1647 icb->interrupt_delay_timer = 5;
1648
1649 ha->flags.process_response_queue = 1;
1650 } else {
4fdfefe5
AV		 1651 /* Enable ZIO. */
1652 if (!ha->flags.init_done) {
1653 ha->zio_mode = icb->add_firmware_options[0] &
1654 (BIT_3 | BIT_2 | BIT_1 | BIT_0);
1655 ha->zio_timer = icb->interrupt_delay_timer ?
1656 icb->interrupt_delay_timer: 2;
1657 }
1da177e4
LT		 1658 icb->add_firmware_options[0] &=
1659 ~(BIT_3 | BIT_2 | BIT_1 | BIT_0);
4fdfefe5
AV		 1660 ha->flags.process_response_queue = 0;
1661 if (ha->zio_mode != QLA_ZIO_DISABLED) {
1662 DEBUG2(printk("scsi(%ld): ZIO mode %d enabled; timer "
1663 "delay (%d us).\n", ha->host_no, ha->zio_mode,
1664 ha->zio_timer * 100));
1da177e4 1665 qla_printk(KERN_INFO, ha,
4fdfefe5
AV		 1666 "ZIO mode %d enabled; timer delay (%d us).\n",
1667 ha->zio_mode, ha->zio_timer * 100);
1da177e4 1668
4fdfefe5
AV		 1669 icb->add_firmware_options[0] |= (uint8_t)ha->zio_mode;
1670 icb->interrupt_delay_timer = (uint8_t)ha->zio_timer;
1da177e4
LT		 1671 ha->flags.process_response_queue = 1;
1672 }
1673 }
1674
1675 if (rval) {
1676 DEBUG2_3(printk(KERN_WARNING
1677 "scsi(%ld): NVRAM configuration failed!\n", ha->host_no));
1678 }
1679 return (rval);
1680}
1681
19a7b4ae
JSEC		 1682static void
1683qla2x00_rport_add(void *data)
1684{
1685 fc_port_t *fcport = data;
1686
1687 qla2x00_reg_remote_port(fcport->ha, fcport);
1688}
1689
1690static void
1691qla2x00_rport_del(void *data)
1692{
1693 fc_port_t *fcport = data;
d97994dc
AV		 1694 struct fc_rport *rport;
1695 unsigned long flags;
1696
1697 spin_lock_irqsave(&fcport->rport_lock, flags);
1698 rport = fcport->drport;
1699 fcport->drport = NULL;
1700 spin_unlock_irqrestore(&fcport->rport_lock, flags);
1701 if (rport)
1702 fc_remote_port_delete(rport);
19a7b4ae 1703
19a7b4ae
JSEC		 1704}
1705
1da177e4
LT		 1706/**
1707 * qla2x00_alloc_fcport() - Allocate a generic fcport.
1708 * @ha: HA context
1709 * @flags: allocation flags
1710 *
1711 * Returns a pointer to the allocated fcport, or NULL, if none available.
1712 */
1713fc_port_t *
c53033f6 1714qla2x00_alloc_fcport(scsi_qla_host_t *ha, gfp_t flags)
1da177e4
LT		 1715{
1716 fc_port_t *fcport;
1717
1718 fcport = kmalloc(sizeof(fc_port_t), flags);
1719 if (fcport == NULL)
1720 return (fcport);
1721
1722 /* Setup fcport template structure. */
1723 memset(fcport, 0, sizeof (fc_port_t));
1724 fcport->ha = ha;
1725 fcport->port_type = FCT_UNKNOWN;
1726 fcport->loop_id = FC_NO_LOOP_ID;
1727 fcport->iodesc_idx_sent = IODESC_INVALID_INDEX;
1728 atomic_set(&fcport->state, FCS_UNCONFIGURED);
1729 fcport->flags = FCF_RLC_SUPPORT;
ad3e0eda 1730 fcport->supported_classes = FC_COS_UNSPECIFIED;
d97994dc 1731 spin_lock_init(&fcport->rport_lock);
19a7b4ae
JSEC		 1732 INIT_WORK(&fcport->rport_add_work, qla2x00_rport_add, fcport);
1733 INIT_WORK(&fcport->rport_del_work, qla2x00_rport_del, fcport);
1da177e4
LT		 1734
1735 return (fcport);
1736}
1737
1738/*
1739 * qla2x00_configure_loop
1740 * Updates Fibre Channel Device Database with what is actually on loop.
1741 *
1742 * Input:
1743 * ha = adapter block pointer.
1744 *
1745 * Returns:
1746 * 0 = success.
1747 * 1 = error.
1748 * 2 = database was full and device was not configured.
1749 */
1750static int
fa2a1ce5 1751qla2x00_configure_loop(scsi_qla_host_t *ha)
1da177e4
LT		 1752{
1753 int rval;
1754 unsigned long flags, save_flags;
1755
1756 rval = QLA_SUCCESS;
1757
1758 /* Get Initiator ID */
1759 if (test_bit(LOCAL_LOOP_UPDATE, &ha->dpc_flags)) {
1760 rval = qla2x00_configure_hba(ha);
1761 if (rval != QLA_SUCCESS) {
1762 DEBUG(printk("scsi(%ld): Unable to configure HBA.\n",
1763 ha->host_no));
1764 return (rval);
1765 }
1766 }
1767
1768 save_flags = flags = ha->dpc_flags;
1769 DEBUG(printk("scsi(%ld): Configure loop -- dpc flags =0x%lx\n",
1770 ha->host_no, flags));
1771
1772 /*
1773 * If we have both an RSCN and PORT UPDATE pending then handle them
1774 * both at the same time.
1775 */
1776 clear_bit(LOCAL_LOOP_UPDATE, &ha->dpc_flags);
1777 clear_bit(RSCN_UPDATE, &ha->dpc_flags);
1da177e4
LT		 1778
1779 /* Determine what we need to do */
1780 if (ha->current_topology == ISP_CFG_FL &&
1781 (test_bit(LOCAL_LOOP_UPDATE, &flags))) {
1782
1783 ha->flags.rscn_queue_overflow = 1;
1784 set_bit(RSCN_UPDATE, &flags);
1785
1786 } else if (ha->current_topology == ISP_CFG_F &&
1787 (test_bit(LOCAL_LOOP_UPDATE, &flags))) {
1788
1789 ha->flags.rscn_queue_overflow = 1;
1790 set_bit(RSCN_UPDATE, &flags);
1791 clear_bit(LOCAL_LOOP_UPDATE, &flags);
1792
1793 } else if (!ha->flags.online ||
1794 (test_bit(ABORT_ISP_ACTIVE, &flags))) {
1795
1796 ha->flags.rscn_queue_overflow = 1;
1797 set_bit(RSCN_UPDATE, &flags);
1798 set_bit(LOCAL_LOOP_UPDATE, &flags);
1799 }
1800
1801 if (test_bit(LOCAL_LOOP_UPDATE, &flags)) {
1802 if (test_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags)) {
1803 rval = QLA_FUNCTION_FAILED;
1804 } else {
1805 rval = qla2x00_configure_local_loop(ha);
1806 }
1807 }
1808
1809 if (rval == QLA_SUCCESS && test_bit(RSCN_UPDATE, &flags)) {
23443b1d 1810 if (LOOP_TRANSITION(ha)) {
1da177e4
LT		 1811 rval = QLA_FUNCTION_FAILED;
1812 } else {
1813 rval = qla2x00_configure_fabric(ha);
1814 }
1815 }
1816
1817 if (rval == QLA_SUCCESS) {
1818 if (atomic_read(&ha->loop_down_timer) ||
1819 test_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags)) {
1820 rval = QLA_FUNCTION_FAILED;
1821 } else {
1da177e4
LT		 1822 atomic_set(&ha->loop_state, LOOP_READY);
1823
1824 DEBUG(printk("scsi(%ld): LOOP READY\n", ha->host_no));
1825 }
1826 }
1827
1828 if (rval) {
1829 DEBUG2_3(printk("%s(%ld): *** FAILED ***\n",
1830 __func__, ha->host_no));
1831 } else {
1832 DEBUG3(printk("%s: exiting normally\n", __func__));
1833 }
1834
1835 /* Restore state if a resync event occured during processing */
1836 if (test_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags)) {
1837 if (test_bit(LOCAL_LOOP_UPDATE, &save_flags))
1838 set_bit(LOCAL_LOOP_UPDATE, &ha->dpc_flags);
1839 if (test_bit(RSCN_UPDATE, &save_flags))
1840 set_bit(RSCN_UPDATE, &ha->dpc_flags);
1841 }
1842
1843 return (rval);
1844}
1845
1846
1847
1848/*
1849 * qla2x00_configure_local_loop
1850 * Updates Fibre Channel Device Database with local loop devices.
1851 *
1852 * Input:
1853 * ha = adapter block pointer.
1854 *
1855 * Returns:
1856 * 0 = success.
1857 */
1858static int
fa2a1ce5 1859qla2x00_configure_local_loop(scsi_qla_host_t *ha)
1da177e4
LT		 1860{
1861 int rval, rval2;
1862 int found_devs;
1863 int found;
1864 fc_port_t *fcport, *new_fcport;
1865
1866 uint16_t index;
1867 uint16_t entries;
1868 char *id_iter;
1869 uint16_t loop_id;
1870 uint8_t domain, area, al_pa;
1871
1872 found_devs = 0;
1873 new_fcport = NULL;
1874 entries = MAX_FIBRE_DEVICES;
1875
1876 DEBUG3(printk("scsi(%ld): Getting FCAL position map\n", ha->host_no));
1877 DEBUG3(qla2x00_get_fcal_position_map(ha, NULL));
1878
1879 /* Get list of logged in devices. */
1880 memset(ha->gid_list, 0, GID_LIST_SIZE);
1881 rval = qla2x00_get_id_list(ha, ha->gid_list, ha->gid_list_dma,
1882 &entries);
1883 if (rval != QLA_SUCCESS)
1884 goto cleanup_allocation;
1885
1886 DEBUG3(printk("scsi(%ld): Entries in ID list (%d)\n",
1887 ha->host_no, entries));
1888 DEBUG3(qla2x00_dump_buffer((uint8_t *)ha->gid_list,
1889 entries * sizeof(struct gid_list_info)));
1890
1891 /* Allocate temporary fcport for any new fcports discovered. */
1892 new_fcport = qla2x00_alloc_fcport(ha, GFP_KERNEL);
1893 if (new_fcport == NULL) {
1894 rval = QLA_MEMORY_ALLOC_FAILED;
1895 goto cleanup_allocation;
1896 }
1897 new_fcport->flags &= ~FCF_FABRIC_DEVICE;
1898
1899 /*
1900 * Mark local devices that were present with FCF_DEVICE_LOST for now.
1901 */
1902 list_for_each_entry(fcport, &ha->fcports, list) {
1903 if (atomic_read(&fcport->state) == FCS_ONLINE &&
1904 fcport->port_type != FCT_BROADCAST &&
1905 (fcport->flags & FCF_FABRIC_DEVICE) == 0) {
1906
1907 DEBUG(printk("scsi(%ld): Marking port lost, "
1908 "loop_id=0x%04x\n",
1909 ha->host_no, fcport->loop_id));
1910
1911 atomic_set(&fcport->state, FCS_DEVICE_LOST);
1912 fcport->flags &= ~FCF_FARP_DONE;
1913 }
1914 }
1915
1916 /* Add devices to port list. */
1917 id_iter = (char *)ha->gid_list;
1918 for (index = 0; index < entries; index++) {
1919 domain = ((struct gid_list_info *)id_iter)->domain;
1920 area = ((struct gid_list_info *)id_iter)->area;
1921 al_pa = ((struct gid_list_info *)id_iter)->al_pa;
abbd8870 1922 if (IS_QLA2100(ha) || IS_QLA2200(ha))
1da177e4
LT		 1923 loop_id = (uint16_t)
1924 ((struct gid_list_info *)id_iter)->loop_id_2100;
abbd8870 1925 else
1da177e4
LT		 1926 loop_id = le16_to_cpu(
1927 ((struct gid_list_info *)id_iter)->loop_id);
abbd8870 1928 id_iter += ha->gid_list_info_size;
1da177e4
LT		 1929
1930 /* Bypass reserved domain fields. */
1931 if ((domain & 0xf0) == 0xf0)
1932 continue;
1933
1934 /* Bypass if not same domain and area of adapter. */
f7d289f6
AV		 1935 if (area && domain &&
1936 (area != ha->d_id.b.area || domain != ha->d_id.b.domain))
1da177e4
LT		 1937 continue;
1938
1939 /* Bypass invalid local loop ID. */
1940 if (loop_id > LAST_LOCAL_LOOP_ID)
1941 continue;
1942
1943 /* Fill in member data. */
1944 new_fcport->d_id.b.domain = domain;
1945 new_fcport->d_id.b.area = area;
1946 new_fcport->d_id.b.al_pa = al_pa;
1947 new_fcport->loop_id = loop_id;
1948 rval2 = qla2x00_get_port_database(ha, new_fcport, 0);
1949 if (rval2 != QLA_SUCCESS) {
1950 DEBUG2(printk("scsi(%ld): Failed to retrieve fcport "
1951 "information -- get_port_database=%x, "
1952 "loop_id=0x%04x\n",
1953 ha->host_no, rval2, new_fcport->loop_id));
c9d02acf
AV		 1954 DEBUG2(printk("scsi(%ld): Scheduling resync...\n",
1955 ha->host_no));
1956 set_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags);
1da177e4
LT		 1957 continue;
1958 }
1959
1960 /* Check for matching device in port list. */
1961 found = 0;
1962 fcport = NULL;
1963 list_for_each_entry(fcport, &ha->fcports, list) {
1964 if (memcmp(new_fcport->port_name, fcport->port_name,
1965 WWN_SIZE))
1966 continue;
1967
1968 fcport->flags &= ~(FCF_FABRIC_DEVICE |
1969 FCF_PERSISTENT_BOUND);
1970 fcport->loop_id = new_fcport->loop_id;
1971 fcport->port_type = new_fcport->port_type;
1972 fcport->d_id.b24 = new_fcport->d_id.b24;
1973 memcpy(fcport->node_name, new_fcport->node_name,
1974 WWN_SIZE);
1975
1976 found++;
1977 break;
1978 }
1979
1980 if (!found) {
1981 /* New device, add to fcports list. */
1982 new_fcport->flags &= ~FCF_PERSISTENT_BOUND;
1983 list_add_tail(&new_fcport->list, &ha->fcports);
1984
1985 /* Allocate a new replacement fcport. */
1986 fcport = new_fcport;
1987 new_fcport = qla2x00_alloc_fcport(ha, GFP_KERNEL);
1988 if (new_fcport == NULL) {
1989 rval = QLA_MEMORY_ALLOC_FAILED;
1990 goto cleanup_allocation;
1991 }
1992 new_fcport->flags &= ~FCF_FABRIC_DEVICE;
1993 }
1994
1995 qla2x00_update_fcport(ha, fcport);
1996
1997 found_devs++;
1998 }
1999
2000cleanup_allocation:
c9475cb0 2001 kfree(new_fcport);
1da177e4
LT		 2002
2003 if (rval != QLA_SUCCESS) {
2004 DEBUG2(printk("scsi(%ld): Configure local loop error exit: "
2005 "rval=%x\n", ha->host_no, rval));
2006 }
2007
2008 if (found_devs) {
2009 ha->device_flags |= DFLG_LOCAL_DEVICES;
2010 ha->device_flags &= ~DFLG_RETRY_LOCAL_DEVICES;
2011 }
2012
2013 return (rval);
2014}
2015
2016static void
fa2a1ce5 2017qla2x00_probe_for_all_luns(scsi_qla_host_t *ha)
1da177e4
LT		 2018{
2019 fc_port_t *fcport;
2020
d97994dc 2021 qla2x00_mark_all_devices_lost(ha, 0);
1da177e4
LT		 2022 list_for_each_entry(fcport, &ha->fcports, list) {
2023 if (fcport->port_type != FCT_TARGET)
2024 continue;
2025
fa2a1ce5 2026 qla2x00_update_fcport(ha, fcport);
1da177e4
LT		 2027 }
2028}
2029
2030/*
2031 * qla2x00_update_fcport
2032 * Updates device on list.
2033 *
2034 * Input:
2035 * ha = adapter block pointer.
2036 * fcport = port structure pointer.
2037 *
2038 * Return:
2039 * 0 - Success
2040 * BIT_0 - error
2041 *
2042 * Context:
2043 * Kernel context.
2044 */
052c40c8 2045void
1da177e4
LT		 2046qla2x00_update_fcport(scsi_qla_host_t *ha, fc_port_t *fcport)
2047{
1da177e4
LT		 2048 fcport->ha = ha;
2049 fcport->login_retry = 0;
2050 fcport->port_login_retry_count = ha->port_down_retry_count *
2051 PORT_RETRY_TIME;
2052 atomic_set(&fcport->port_down_timer, ha->port_down_retry_count *
2053 PORT_RETRY_TIME);
2054 fcport->flags &= ~FCF_LOGIN_NEEDED;
2055
1da177e4 2056 if (fcport->port_type == FCT_INITIATOR ||
bdf79621 2057 fcport->port_type == FCT_BROADCAST)
1da177e4 2058 fcport->device_type = TYPE_PROCESSOR;
bdf79621 2059
1da177e4 2060 atomic_set(&fcport->state, FCS_ONLINE);
bdf79621 2061
8482e118
AV		 2062 if (ha->flags.init_done)
2063 qla2x00_reg_remote_port(ha, fcport);
1da177e4
LT		 2064}
2065
8482e118
AV		 2066void
2067qla2x00_reg_remote_port(scsi_qla_host_t *ha, fc_port_t *fcport)
2068{
2069 struct fc_rport_identifiers rport_ids;
bdf79621 2070 struct fc_rport *rport;
d97994dc 2071 unsigned long flags;
8482e118 2072
d97994dc
AV		 2073 if (fcport->drport)
2074 qla2x00_rport_del(fcport);
2075 if (fcport->rport)
2076 return;
8482e118 2077
f8b02a85
AV		 2078 rport_ids.node_name = wwn_to_u64(fcport->node_name);
2079 rport_ids.port_name = wwn_to_u64(fcport->port_name);
8482e118
AV		 2080 rport_ids.port_id = fcport->d_id.b.domain << 16 |
2081 fcport->d_id.b.area << 8 | fcport->d_id.b.al_pa;
77d74143 2082 rport_ids.roles = FC_RPORT_ROLE_UNKNOWN;
d97994dc 2083 rport = fc_remote_port_add(ha->host, 0, &rport_ids);
77d74143
AV		 2084 if (!rport) {
2085 qla_printk(KERN_WARNING, ha,
2086 "Unable to allocate fc remote port!\n");
2087 return;
2088 }
d97994dc
AV		 2089 spin_lock_irqsave(&fcport->rport_lock, flags);
2090 fcport->rport = rport;
19a7b4ae 2091 *((fc_port_t **)rport->dd_data) = fcport;
d97994dc
AV		 2092 spin_unlock_irqrestore(&fcport->rport_lock, flags);
2093
ad3e0eda 2094 rport->supported_classes = fcport->supported_classes;
77d74143 2095
8482e118
AV		 2096 rport_ids.roles = FC_RPORT_ROLE_UNKNOWN;
2097 if (fcport->port_type == FCT_INITIATOR)
2098 rport_ids.roles |= FC_RPORT_ROLE_FCP_INITIATOR;
2099 if (fcport->port_type == FCT_TARGET)
2100 rport_ids.roles |= FC_RPORT_ROLE_FCP_TARGET;
77d74143 2101 fc_remote_port_rolechg(rport, rport_ids.roles);
1da177e4 2102
cc4731f5
AV		 2103 if (rport->scsi_target_id != -1 &&
2104 rport->scsi_target_id < ha->host->max_id)
bdf79621 2105 fcport->os_target_id = rport->scsi_target_id;
1da177e4
LT		 2106}
2107
1da177e4
LT		 2108/*
2109 * qla2x00_configure_fabric
2110 * Setup SNS devices with loop ID's.
2111 *
2112 * Input:
2113 * ha = adapter block pointer.
2114 *
2115 * Returns:
2116 * 0 = success.
2117 * BIT_0 = error
2118 */
2119static int
2120qla2x00_configure_fabric(scsi_qla_host_t *ha)
2121{
2122 int rval, rval2;
2123 fc_port_t *fcport, *fcptemp;
2124 uint16_t next_loopid;
2125 uint16_t mb[MAILBOX_REGISTER_COUNT];
0107109e 2126 uint16_t loop_id;
1da177e4
LT		 2127 LIST_HEAD(new_fcports);
2128
2129 /* If FL port exists, then SNS is present */
044cc6c8 2130 if (IS_QLA24XX(ha) || IS_QLA54XX(ha))
0107109e
AV		 2131 loop_id = NPH_F_PORT;
2132 else
2133 loop_id = SNS_FL_PORT;
2134 rval = qla2x00_get_port_name(ha, loop_id, NULL, 0);
1da177e4
LT		 2135 if (rval != QLA_SUCCESS) {
2136 DEBUG2(printk("scsi(%ld): MBC_GET_PORT_NAME Failed, No FL "
2137 "Port\n", ha->host_no));
2138
2139 ha->device_flags &= ~SWITCH_FOUND;
2140 return (QLA_SUCCESS);
2141 }
2142
2143 /* Mark devices that need re-synchronization. */
2144 rval2 = qla2x00_device_resync(ha);
2145 if (rval2 == QLA_RSCNS_HANDLED) {
2146 /* No point doing the scan, just continue. */
2147 return (QLA_SUCCESS);
2148 }
2149 do {
cca5335c
AV		 2150 /* FDMI support. */
2151 if (ql2xfdmienable &&
2152 test_and_clear_bit(REGISTER_FDMI_NEEDED, &ha->dpc_flags))
2153 qla2x00_fdmi_register(ha);
2154
1da177e4 2155 /* Ensure we are logged into the SNS. */
044cc6c8 2156 if (IS_QLA24XX(ha) || IS_QLA54XX(ha))
0107109e
AV		 2157 loop_id = NPH_SNS;
2158 else
2159 loop_id = SIMPLE_NAME_SERVER;
2160 ha->isp_ops.fabric_login(ha, loop_id, 0xff, 0xff,
abbd8870 2161 0xfc, mb, BIT_1 | BIT_0);
1da177e4
LT		 2162 if (mb[0] != MBS_COMMAND_COMPLETE) {
2163 DEBUG2(qla_printk(KERN_INFO, ha,
2164 "Failed SNS login: loop_id=%x mb[0]=%x mb[1]=%x "
0107109e 2165 "mb[2]=%x mb[6]=%x mb[7]=%x\n", loop_id,
1da177e4
LT		 2166 mb[0], mb[1], mb[2], mb[6], mb[7]));
2167 return (QLA_SUCCESS);
2168 }
2169
2170 if (test_and_clear_bit(REGISTER_FC4_NEEDED, &ha->dpc_flags)) {
2171 if (qla2x00_rft_id(ha)) {
2172 /* EMPTY */
2173 DEBUG2(printk("scsi(%ld): Register FC-4 "
2174 "TYPE failed.\n", ha->host_no));
2175 }
2176 if (qla2x00_rff_id(ha)) {
2177 /* EMPTY */
2178 DEBUG2(printk("scsi(%ld): Register FC-4 "
2179 "Features failed.\n", ha->host_no));
2180 }
2181 if (qla2x00_rnn_id(ha)) {
2182 /* EMPTY */
2183 DEBUG2(printk("scsi(%ld): Register Node Name "
2184 "failed.\n", ha->host_no));
2185 } else if (qla2x00_rsnn_nn(ha)) {
2186 /* EMPTY */
2187 DEBUG2(printk("scsi(%ld): Register Symbolic "
2188 "Node Name failed.\n", ha->host_no));
2189 }
2190 }
2191
2192 rval = qla2x00_find_all_fabric_devs(ha, &new_fcports);
2193 if (rval != QLA_SUCCESS)
2194 break;
2195
2196 /*
2197 * Logout all previous fabric devices marked lost, except
2198 * tape devices.
2199 */
2200 list_for_each_entry(fcport, &ha->fcports, list) {
2201 if (test_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags))
2202 break;
2203
2204 if ((fcport->flags & FCF_FABRIC_DEVICE) == 0)
2205 continue;
2206
2207 if (atomic_read(&fcport->state) == FCS_DEVICE_LOST) {
2208 qla2x00_mark_device_lost(ha, fcport,
d97994dc 2209 ql2xplogiabsentdevice, 0);
1da177e4
LT		 2210 if (fcport->loop_id != FC_NO_LOOP_ID &&
2211 (fcport->flags & FCF_TAPE_PRESENT) == 0 &&
2212 fcport->port_type != FCT_INITIATOR &&
2213 fcport->port_type != FCT_BROADCAST) {
abbd8870 2214 ha->isp_ops.fabric_logout(ha,
1c7c6357
AV		 2215 fcport->loop_id,
2216 fcport->d_id.b.domain,
2217 fcport->d_id.b.area,
2218 fcport->d_id.b.al_pa);
1da177e4
LT		 2219 fcport->loop_id = FC_NO_LOOP_ID;
2220 }
2221 }
2222 }
2223
2224 /* Starting free loop ID. */
2225 next_loopid = ha->min_external_loopid;
2226
2227 /*
2228 * Scan through our port list and login entries that need to be
2229 * logged in.
2230 */
2231 list_for_each_entry(fcport, &ha->fcports, list) {
2232 if (atomic_read(&ha->loop_down_timer) ||
2233 test_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags))
2234 break;
2235
2236 if ((fcport->flags & FCF_FABRIC_DEVICE) == 0 ||
2237 (fcport->flags & FCF_LOGIN_NEEDED) == 0)
2238 continue;
2239
2240 if (fcport->loop_id == FC_NO_LOOP_ID) {
2241 fcport->loop_id = next_loopid;
2242 rval = qla2x00_find_new_loop_id(ha, fcport);
2243 if (rval != QLA_SUCCESS) {
2244 /* Ran out of IDs to use */
2245 break;
2246 }
2247 }
1da177e4
LT		 2248 /* Login and update database */
2249 qla2x00_fabric_dev_login(ha, fcport, &next_loopid);
2250 }
2251
2252 /* Exit if out of loop IDs. */
2253 if (rval != QLA_SUCCESS) {
2254 break;
2255 }
2256
2257 /*
2258 * Login and add the new devices to our port list.
2259 */
2260 list_for_each_entry_safe(fcport, fcptemp, &new_fcports, list) {
2261 if (atomic_read(&ha->loop_down_timer) ||
2262 test_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags))
2263 break;
2264
2265 /* Find a new loop ID to use. */
2266 fcport->loop_id = next_loopid;
2267 rval = qla2x00_find_new_loop_id(ha, fcport);
2268 if (rval != QLA_SUCCESS) {
2269 /* Ran out of IDs to use */
2270 break;
2271 }
2272
1da177e4
LT		 2273 /* Remove device from the new list and add it to DB */
2274 list_del(&fcport->list);
2275 list_add_tail(&fcport->list, &ha->fcports);
bdf79621
AV		 2276
2277 /* Login and update database */
2278 qla2x00_fabric_dev_login(ha, fcport, &next_loopid);
1da177e4
LT		 2279 }
2280 } while (0);
2281
2282 /* Free all new device structures not processed. */
2283 list_for_each_entry_safe(fcport, fcptemp, &new_fcports, list) {
2284 list_del(&fcport->list);
2285 kfree(fcport);
2286 }
2287
2288 if (rval) {
2289 DEBUG2(printk("scsi(%ld): Configure fabric error exit: "
2290 "rval=%d\n", ha->host_no, rval));
2291 }
2292
2293 return (rval);
2294}
2295
2296
2297/*
2298 * qla2x00_find_all_fabric_devs
2299 *
2300 * Input:
2301 * ha = adapter block pointer.
2302 * dev = database device entry pointer.
2303 *
2304 * Returns:
2305 * 0 = success.
2306 *
2307 * Context:
2308 * Kernel context.
2309 */
2310static int
2311qla2x00_find_all_fabric_devs(scsi_qla_host_t *ha, struct list_head *new_fcports)
2312{
2313 int rval;
2314 uint16_t loop_id;
2315 fc_port_t *fcport, *new_fcport, *fcptemp;
2316 int found;
2317
2318 sw_info_t *swl;
2319 int swl_idx;
2320 int first_dev, last_dev;
2321 port_id_t wrap, nxt_d_id;
2322
2323 rval = QLA_SUCCESS;
2324
2325 /* Try GID_PT to get device list, else GAN. */
2326 swl = kmalloc(sizeof(sw_info_t) * MAX_FIBRE_DEVICES, GFP_ATOMIC);
2327 if (swl == NULL) {
2328 /*EMPTY*/
2329 DEBUG2(printk("scsi(%ld): GID_PT allocations failed, fallback "
2330 "on GA_NXT\n", ha->host_no));
2331 } else {
2332 memset(swl, 0, sizeof(sw_info_t) * MAX_FIBRE_DEVICES);
2333 if (qla2x00_gid_pt(ha, swl) != QLA_SUCCESS) {
2334 kfree(swl);
2335 swl = NULL;
2336 } else if (qla2x00_gpn_id(ha, swl) != QLA_SUCCESS) {
2337 kfree(swl);
2338 swl = NULL;
2339 } else if (qla2x00_gnn_id(ha, swl) != QLA_SUCCESS) {
2340 kfree(swl);
2341 swl = NULL;
2342 }
2343 }
2344 swl_idx = 0;
2345
2346 /* Allocate temporary fcport for any new fcports discovered. */
2347 new_fcport = qla2x00_alloc_fcport(ha, GFP_KERNEL);
2348 if (new_fcport == NULL) {
c9475cb0 2349 kfree(swl);
1da177e4
LT		 2350 return (QLA_MEMORY_ALLOC_FAILED);
2351 }
2352 new_fcport->flags |= (FCF_FABRIC_DEVICE | FCF_LOGIN_NEEDED);
2353
2354 /* Set start port ID scan at adapter ID. */
2355 first_dev = 1;
2356 last_dev = 0;
2357
2358 /* Starting free loop ID. */
2359 loop_id = ha->min_external_loopid;
1da177e4 2360 for (; loop_id <= ha->last_loop_id; loop_id++) {
3d71644c 2361 if (qla2x00_is_reserved_id(ha, loop_id))
1da177e4
LT		 2362 continue;
2363
23443b1d 2364 if (atomic_read(&ha->loop_down_timer) || LOOP_TRANSITION(ha))
1da177e4
LT		 2365 break;
2366
2367 if (swl != NULL) {
2368 if (last_dev) {
2369 wrap.b24 = new_fcport->d_id.b24;
2370 } else {
2371 new_fcport->d_id.b24 = swl[swl_idx].d_id.b24;
2372 memcpy(new_fcport->node_name,
2373 swl[swl_idx].node_name, WWN_SIZE);
2374 memcpy(new_fcport->port_name,
2375 swl[swl_idx].port_name, WWN_SIZE);
2376
2377 if (swl[swl_idx].d_id.b.rsvd_1 != 0) {
2378 last_dev = 1;
2379 }
2380 swl_idx++;
2381 }
2382 } else {
2383 /* Send GA_NXT to the switch */
2384 rval = qla2x00_ga_nxt(ha, new_fcport);
2385 if (rval != QLA_SUCCESS) {
2386 qla_printk(KERN_WARNING, ha,
2387 "SNS scan failed -- assuming zero-entry "
2388 "result...\n");
2389 list_for_each_entry_safe(fcport, fcptemp,
2390 new_fcports, list) {
2391 list_del(&fcport->list);
2392 kfree(fcport);
2393 }
2394 rval = QLA_SUCCESS;
2395 break;
2396 }
2397 }
2398
2399 /* If wrap on switch device list, exit. */
2400 if (first_dev) {
2401 wrap.b24 = new_fcport->d_id.b24;
2402 first_dev = 0;
2403 } else if (new_fcport->d_id.b24 == wrap.b24) {
2404 DEBUG2(printk("scsi(%ld): device wrap (%02x%02x%02x)\n",
2405 ha->host_no, new_fcport->d_id.b.domain,
2406 new_fcport->d_id.b.area, new_fcport->d_id.b.al_pa));
2407 break;
2408 }
2409
2410 /* Bypass if host adapter. */
2411 if (new_fcport->d_id.b24 == ha->d_id.b24)
2412 continue;
2413
f7d289f6
AV		 2414 /* Bypass if same domain and area of adapter. */
2415 if (((new_fcport->d_id.b24 & 0xffff00) ==
2416 (ha->d_id.b24 & 0xffff00)) && ha->current_topology ==
2417 ISP_CFG_FL)
2418 continue;
2419
1da177e4
LT		 2420 /* Bypass reserved domain fields. */
2421 if ((new_fcport->d_id.b.domain & 0xf0) == 0xf0)
2422 continue;
2423
2424 /* Locate matching device in database. */
2425 found = 0;
2426 list_for_each_entry(fcport, &ha->fcports, list) {
2427 if (memcmp(new_fcport->port_name, fcport->port_name,
2428 WWN_SIZE))
2429 continue;
2430
2431 found++;
2432
2433 /*
2434 * If address the same and state FCS_ONLINE, nothing
2435 * changed.
2436 */
2437 if (fcport->d_id.b24 == new_fcport->d_id.b24 &&
2438 atomic_read(&fcport->state) == FCS_ONLINE) {
2439 break;
2440 }
2441
2442 /*
2443 * If device was not a fabric device before.
2444 */
2445 if ((fcport->flags & FCF_FABRIC_DEVICE) == 0) {
2446 fcport->d_id.b24 = new_fcport->d_id.b24;
2447 fcport->loop_id = FC_NO_LOOP_ID;
2448 fcport->flags |= (FCF_FABRIC_DEVICE |
2449 FCF_LOGIN_NEEDED);
2450 fcport->flags &= ~FCF_PERSISTENT_BOUND;
2451 break;
2452 }
2453
2454 /*
2455 * Port ID changed or device was marked to be updated;
2456 * Log it out if still logged in and mark it for
2457 * relogin later.
2458 */
2459 fcport->d_id.b24 = new_fcport->d_id.b24;
2460 fcport->flags |= FCF_LOGIN_NEEDED;
2461 if (fcport->loop_id != FC_NO_LOOP_ID &&
2462 (fcport->flags & FCF_TAPE_PRESENT) == 0 &&
2463 fcport->port_type != FCT_INITIATOR &&
2464 fcport->port_type != FCT_BROADCAST) {
1c7c6357
AV		 2465 ha->isp_ops.fabric_logout(ha, fcport->loop_id,
2466 fcport->d_id.b.domain, fcport->d_id.b.area,
2467 fcport->d_id.b.al_pa);
1da177e4
LT		 2468 fcport->loop_id = FC_NO_LOOP_ID;
2469 }
2470
2471 break;
2472 }
2473
2474 if (found)
2475 continue;
2476
2477 /* If device was not in our fcports list, then add it. */
2478 list_add_tail(&new_fcport->list, new_fcports);
2479
2480 /* Allocate a new replacement fcport. */
2481 nxt_d_id.b24 = new_fcport->d_id.b24;
2482 new_fcport = qla2x00_alloc_fcport(ha, GFP_KERNEL);
2483 if (new_fcport == NULL) {
c9475cb0 2484 kfree(swl);
1da177e4
LT		 2485 return (QLA_MEMORY_ALLOC_FAILED);
2486 }
2487 new_fcport->flags |= (FCF_FABRIC_DEVICE | FCF_LOGIN_NEEDED);
2488 new_fcport->d_id.b24 = nxt_d_id.b24;
2489 }
2490
c9475cb0
JJ		 2491 kfree(swl);
2492 kfree(new_fcport);
1da177e4
LT		 2493
2494 if (!list_empty(new_fcports))
2495 ha->device_flags |= DFLG_FABRIC_DEVICES;
2496
2497 return (rval);
2498}
2499
2500/*
2501 * qla2x00_find_new_loop_id
2502 * Scan through our port list and find a new usable loop ID.
2503 *
2504 * Input:
2505 * ha: adapter state pointer.
2506 * dev: port structure pointer.
2507 *
2508 * Returns:
2509 * qla2x00 local function return status code.
2510 *
2511 * Context:
2512 * Kernel context.
2513 */
2514int
2515qla2x00_find_new_loop_id(scsi_qla_host_t *ha, fc_port_t *dev)
2516{
2517 int rval;
2518 int found;
2519 fc_port_t *fcport;
2520 uint16_t first_loop_id;
2521
2522 rval = QLA_SUCCESS;
2523
2524 /* Save starting loop ID. */
2525 first_loop_id = dev->loop_id;
2526
2527 for (;;) {
2528 /* Skip loop ID if already used by adapter. */
2529 if (dev->loop_id == ha->loop_id) {
2530 dev->loop_id++;
2531 }
2532
2533 /* Skip reserved loop IDs. */
3d71644c 2534 while (qla2x00_is_reserved_id(ha, dev->loop_id)) {
1da177e4
LT		 2535 dev->loop_id++;
2536 }
2537
2538 /* Reset loop ID if passed the end. */
2539 if (dev->loop_id > ha->last_loop_id) {
2540 /* first loop ID. */
2541 dev->loop_id = ha->min_external_loopid;
2542 }
2543
2544 /* Check for loop ID being already in use. */
2545 found = 0;
2546 fcport = NULL;
2547 list_for_each_entry(fcport, &ha->fcports, list) {
2548 if (fcport->loop_id == dev->loop_id && fcport != dev) {
2549 /* ID possibly in use */
2550 found++;
2551 break;
2552 }
2553 }
2554
2555 /* If not in use then it is free to use. */
2556 if (!found) {
2557 break;
2558 }
2559
2560 /* ID in use. Try next value. */
2561 dev->loop_id++;
2562
2563 /* If wrap around. No free ID to use. */
2564 if (dev->loop_id == first_loop_id) {
2565 dev->loop_id = FC_NO_LOOP_ID;
2566 rval = QLA_FUNCTION_FAILED;
2567 break;
2568 }
2569 }
2570
2571 return (rval);
2572}
2573
2574/*
2575 * qla2x00_device_resync
2576 * Marks devices in the database that needs resynchronization.
2577 *
2578 * Input:
2579 * ha = adapter block pointer.
2580 *
2581 * Context:
2582 * Kernel context.
2583 */
2584static int
fa2a1ce5 2585qla2x00_device_resync(scsi_qla_host_t *ha)
1da177e4
LT		 2586{
2587 int rval;
2588 int rval2;
2589 uint32_t mask;
2590 fc_port_t *fcport;
2591 uint32_t rscn_entry;
2592 uint8_t rscn_out_iter;
2593 uint8_t format;
2594 port_id_t d_id;
2595
2596 rval = QLA_RSCNS_HANDLED;
2597
2598 while (ha->rscn_out_ptr != ha->rscn_in_ptr ||
2599 ha->flags.rscn_queue_overflow) {
2600
2601 rscn_entry = ha->rscn_queue[ha->rscn_out_ptr];
2602 format = MSB(MSW(rscn_entry));
2603 d_id.b.domain = LSB(MSW(rscn_entry));
2604 d_id.b.area = MSB(LSW(rscn_entry));
2605 d_id.b.al_pa = LSB(LSW(rscn_entry));
2606
2607 DEBUG(printk("scsi(%ld): RSCN queue entry[%d] = "
2608 "[%02x/%02x%02x%02x].\n",
2609 ha->host_no, ha->rscn_out_ptr, format, d_id.b.domain,
2610 d_id.b.area, d_id.b.al_pa));
2611
2612 ha->rscn_out_ptr++;
2613 if (ha->rscn_out_ptr == MAX_RSCN_COUNT)
2614 ha->rscn_out_ptr = 0;
2615
2616 /* Skip duplicate entries. */
2617 for (rscn_out_iter = ha->rscn_out_ptr;
2618 !ha->flags.rscn_queue_overflow &&
2619 rscn_out_iter != ha->rscn_in_ptr;
2620 rscn_out_iter = (rscn_out_iter ==
2621 (MAX_RSCN_COUNT - 1)) ? 0: rscn_out_iter + 1) {
2622
2623 if (rscn_entry != ha->rscn_queue[rscn_out_iter])
2624 break;
2625
2626 DEBUG(printk("scsi(%ld): Skipping duplicate RSCN queue "
2627 "entry found at [%d].\n", ha->host_no,
2628 rscn_out_iter));
2629
2630 ha->rscn_out_ptr = rscn_out_iter;
2631 }
2632
2633 /* Queue overflow, set switch default case. */
2634 if (ha->flags.rscn_queue_overflow) {
2635 DEBUG(printk("scsi(%ld): device_resync: rscn "
2636 "overflow.\n", ha->host_no));
2637
2638 format = 3;
2639 ha->flags.rscn_queue_overflow = 0;
2640 }
2641
2642 switch (format) {
2643 case 0:
79f89a42
AV		 2644 if (ql2xprocessrscn &&
2645 !IS_QLA2100(ha) && !IS_QLA2200(ha) &&
1da177e4 2646 !IS_QLA6312(ha) && !IS_QLA6322(ha) &&
044cc6c8 2647 !IS_QLA24XX(ha) && !IS_QLA54XX(ha) &&
1da177e4
LT		 2648 ha->flags.init_done) {
2649 /* Handle port RSCN via asyncronous IOCBs */
2650 rval2 = qla2x00_handle_port_rscn(ha, rscn_entry,
2651 NULL, 0);
2652 if (rval2 == QLA_SUCCESS)
2653 continue;
2654 }
2655 mask = 0xffffff;
2656 break;
2657 case 1:
2658 mask = 0xffff00;
2659 break;
2660 case 2:
2661 mask = 0xff0000;
2662 break;
2663 default:
2664 mask = 0x0;
2665 d_id.b24 = 0;
2666 ha->rscn_out_ptr = ha->rscn_in_ptr;
2667 break;
2668 }
2669
2670 rval = QLA_SUCCESS;
2671
2672 /* Abort any outstanding IO descriptors. */
2673 if (!IS_QLA2100(ha) && !IS_QLA2200(ha))
2674 qla2x00_cancel_io_descriptors(ha);
2675
2676 list_for_each_entry(fcport, &ha->fcports, list) {
2677 if ((fcport->flags & FCF_FABRIC_DEVICE) == 0 ||
2678 (fcport->d_id.b24 & mask) != d_id.b24 ||
2679 fcport->port_type == FCT_BROADCAST)
2680 continue;
2681
2682 if (atomic_read(&fcport->state) == FCS_ONLINE) {
2683 if (format != 3 ||
2684 fcport->port_type != FCT_INITIATOR) {
d97994dc
AV		 2685 qla2x00_mark_device_lost(ha, fcport,
2686 0, 0);
1da177e4
LT		 2687 }
2688 }
2689 fcport->flags &= ~FCF_FARP_DONE;
2690 }
2691 }
2692 return (rval);
2693}
2694
2695/*
2696 * qla2x00_fabric_dev_login
2697 * Login fabric target device and update FC port database.
2698 *
2699 * Input:
2700 * ha: adapter state pointer.
2701 * fcport: port structure list pointer.
2702 * next_loopid: contains value of a new loop ID that can be used
2703 * by the next login attempt.
2704 *
2705 * Returns:
2706 * qla2x00 local function return status code.
2707 *
2708 * Context:
2709 * Kernel context.
2710 */
2711static int
2712qla2x00_fabric_dev_login(scsi_qla_host_t *ha, fc_port_t *fcport,
2713 uint16_t *next_loopid)
2714{
2715 int rval;
2716 int retry;
0107109e 2717 uint8_t opts;
1da177e4
LT		 2718
2719 rval = QLA_SUCCESS;
2720 retry = 0;
2721
2722 rval = qla2x00_fabric_login(ha, fcport, next_loopid);
2723 if (rval == QLA_SUCCESS) {
0107109e
AV		 2724 /* Send an ADISC to tape devices.*/
2725 opts = 0;
2726 if (fcport->flags & FCF_TAPE_PRESENT)
2727 opts |= BIT_1;
2728 rval = qla2x00_get_port_database(ha, fcport, opts);
1da177e4 2729 if (rval != QLA_SUCCESS) {
1c7c6357
AV		 2730 ha->isp_ops.fabric_logout(ha, fcport->loop_id,
2731 fcport->d_id.b.domain, fcport->d_id.b.area,
2732 fcport->d_id.b.al_pa);
d97994dc 2733 qla2x00_mark_device_lost(ha, fcport, 1, 0);
1da177e4
LT		 2734 } else {
2735 qla2x00_update_fcport(ha, fcport);
2736 }
2737 }
2738
2739 return (rval);
2740}
2741
2742/*
2743 * qla2x00_fabric_login
2744 * Issue fabric login command.
2745 *
2746 * Input:
2747 * ha = adapter block pointer.
2748 * device = pointer to FC device type structure.
2749 *
2750 * Returns:
2751 * 0 - Login successfully
2752 * 1 - Login failed
2753 * 2 - Initiator device
2754 * 3 - Fatal error
2755 */
2756int
2757qla2x00_fabric_login(scsi_qla_host_t *ha, fc_port_t *fcport,
2758 uint16_t *next_loopid)
2759{
2760 int rval;
2761 int retry;
2762 uint16_t tmp_loopid;
2763 uint16_t mb[MAILBOX_REGISTER_COUNT];
2764
2765 retry = 0;
2766 tmp_loopid = 0;
2767
2768 for (;;) {
2769 DEBUG(printk("scsi(%ld): Trying Fabric Login w/loop id 0x%04x "
2770 "for port %02x%02x%02x.\n",
2771 ha->host_no, fcport->loop_id, fcport->d_id.b.domain,
2772 fcport->d_id.b.area, fcport->d_id.b.al_pa));
2773
2774 /* Login fcport on switch. */
abbd8870 2775 ha->isp_ops.fabric_login(ha, fcport->loop_id,
1da177e4
LT		 2776 fcport->d_id.b.domain, fcport->d_id.b.area,
2777 fcport->d_id.b.al_pa, mb, BIT_0);
2778 if (mb[0] == MBS_PORT_ID_USED) {
2779 /*
2780 * Device has another loop ID. The firmware team
0107109e
AV		 2781 * recommends the driver perform an implicit login with
2782 * the specified ID again. The ID we just used is save
2783 * here so we return with an ID that can be tried by
2784 * the next login.
1da177e4
LT		 2785 */
2786 retry++;
2787 tmp_loopid = fcport->loop_id;
2788 fcport->loop_id = mb[1];
2789
2790 DEBUG(printk("Fabric Login: port in use - next "
2791 "loop id=0x%04x, port Id=%02x%02x%02x.\n",
2792 fcport->loop_id, fcport->d_id.b.domain,
2793 fcport->d_id.b.area, fcport->d_id.b.al_pa));
2794
2795 } else if (mb[0] == MBS_COMMAND_COMPLETE) {
2796 /*
2797 * Login succeeded.
2798 */
2799 if (retry) {
2800 /* A retry occurred before. */
2801 *next_loopid = tmp_loopid;
2802 } else {
2803 /*
2804 * No retry occurred before. Just increment the
2805 * ID value for next login.
2806 */
2807 *next_loopid = (fcport->loop_id + 1);
2808 }
2809
2810 if (mb[1] & BIT_0) {
2811 fcport->port_type = FCT_INITIATOR;
2812 } else {
2813 fcport->port_type = FCT_TARGET;
2814 if (mb[1] & BIT_1) {
2815 fcport->flags |= FCF_TAPE_PRESENT;
2816 }
2817 }
2818
ad3e0eda
AV		 2819 if (mb[10] & BIT_0)
2820 fcport->supported_classes |= FC_COS_CLASS2;
2821 if (mb[10] & BIT_1)
2822 fcport->supported_classes |= FC_COS_CLASS3;
2823
1da177e4
LT		 2824 rval = QLA_SUCCESS;
2825 break;
2826 } else if (mb[0] == MBS_LOOP_ID_USED) {
2827 /*
2828 * Loop ID already used, try next loop ID.
2829 */
2830 fcport->loop_id++;
2831 rval = qla2x00_find_new_loop_id(ha, fcport);
2832 if (rval != QLA_SUCCESS) {
2833 /* Ran out of loop IDs to use */
2834 break;
2835 }
2836 } else if (mb[0] == MBS_COMMAND_ERROR) {
2837 /*
2838 * Firmware possibly timed out during login. If NO
2839 * retries are left to do then the device is declared
2840 * dead.
2841 */
2842 *next_loopid = fcport->loop_id;
1c7c6357
AV		 2843 ha->isp_ops.fabric_logout(ha, fcport->loop_id,
2844 fcport->d_id.b.domain, fcport->d_id.b.area,
2845 fcport->d_id.b.al_pa);
d97994dc 2846 qla2x00_mark_device_lost(ha, fcport, 1, 0);
1da177e4
LT		 2847
2848 rval = 1;
2849 break;
2850 } else {
2851 /*
2852 * unrecoverable / not handled error
2853 */
2854 DEBUG2(printk("%s(%ld): failed=%x port_id=%02x%02x%02x "
fa2a1ce5
AV		 2855 "loop_id=%x jiffies=%lx.\n",
2856 __func__, ha->host_no, mb[0],
1da177e4
LT		 2857 fcport->d_id.b.domain, fcport->d_id.b.area,
2858 fcport->d_id.b.al_pa, fcport->loop_id, jiffies));
2859
2860 *next_loopid = fcport->loop_id;
1c7c6357
AV		 2861 ha->isp_ops.fabric_logout(ha, fcport->loop_id,
2862 fcport->d_id.b.domain, fcport->d_id.b.area,
2863 fcport->d_id.b.al_pa);
1da177e4 2864 fcport->loop_id = FC_NO_LOOP_ID;
0eedfcf0 2865 fcport->login_retry = 0;
1da177e4
LT		 2866
2867 rval = 3;
2868 break;
2869 }
2870 }
2871
2872 return (rval);
2873}
2874
2875/*
2876 * qla2x00_local_device_login
2877 * Issue local device login command.
2878 *
2879 * Input:
2880 * ha = adapter block pointer.
2881 * loop_id = loop id of device to login to.
2882 *
2883 * Returns (Where's the #define!!!!):
2884 * 0 - Login successfully
2885 * 1 - Login failed
2886 * 3 - Fatal error
2887 */
2888int
2889qla2x00_local_device_login(scsi_qla_host_t *ha, uint16_t loop_id)
2890{
2891 int rval;
2892 uint16_t mb[MAILBOX_REGISTER_COUNT];
2893
2894 memset(mb, 0, sizeof(mb));
2895 rval = qla2x00_login_local_device(ha, loop_id, mb, BIT_0);
2896 if (rval == QLA_SUCCESS) {
2897 /* Interrogate mailbox registers for any errors */
2898 if (mb[0] == MBS_COMMAND_ERROR)
2899 rval = 1;
2900 else if (mb[0] == MBS_COMMAND_PARAMETER_ERROR)
2901 /* device not in PCB table */
2902 rval = 3;
2903 }
2904
2905 return (rval);
2906}
2907
2908/*
2909 * qla2x00_loop_resync
2910 * Resync with fibre channel devices.
2911 *
2912 * Input:
2913 * ha = adapter block pointer.
2914 *
2915 * Returns:
2916 * 0 = success
2917 */
2918int
fa2a1ce5 2919qla2x00_loop_resync(scsi_qla_host_t *ha)
1da177e4
LT		 2920{
2921 int rval;
2922 uint32_t wait_time;
2923
2924 rval = QLA_SUCCESS;
2925
2926 atomic_set(&ha->loop_state, LOOP_UPDATE);
1da177e4
LT		 2927 clear_bit(ISP_ABORT_RETRY, &ha->dpc_flags);
2928 if (ha->flags.online) {
2929 if (!(rval = qla2x00_fw_ready(ha))) {
2930 /* Wait at most MAX_TARGET RSCNs for a stable link. */
2931 wait_time = 256;
2932 do {
1da177e4
LT		 2933 atomic_set(&ha->loop_state, LOOP_UPDATE);
2934
0107109e
AV		 2935 /* Issue a marker after FW becomes ready. */
2936 qla2x00_marker(ha, 0, 0, MK_SYNC_ALL);
2937 ha->marker_needed = 0;
1da177e4
LT		 2938
2939 /* Remap devices on Loop. */
2940 clear_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags);
2941
2942 qla2x00_configure_loop(ha);
2943 wait_time--;
2944 } while (!atomic_read(&ha->loop_down_timer) &&
2945 !(test_bit(ISP_ABORT_NEEDED, &ha->dpc_flags)) &&
2946 wait_time &&
2947 (test_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags)));
2948 }
1da177e4
LT		 2949 }
2950
2951 if (test_bit(ISP_ABORT_NEEDED, &ha->dpc_flags)) {
2952 return (QLA_FUNCTION_FAILED);
2953 }
2954
2955 if (rval) {
2956 DEBUG2_3(printk("%s(): **** FAILED ****\n", __func__));
2957 }
2958
2959 return (rval);
2960}
2961
1da177e4
LT		 2962void
2963qla2x00_rescan_fcports(scsi_qla_host_t *ha)
2964{
2965 int rescan_done;
2966 fc_port_t *fcport;
2967
2968 rescan_done = 0;
2969 list_for_each_entry(fcport, &ha->fcports, list) {
2970 if ((fcport->flags & FCF_RESCAN_NEEDED) == 0)
2971 continue;
2972
2973 qla2x00_update_fcport(ha, fcport);
2974 fcport->flags &= ~FCF_RESCAN_NEEDED;
2975
2976 rescan_done = 1;
2977 }
fa2a1ce5 2978 qla2x00_probe_for_all_luns(ha);
1da177e4
LT		 2979}
2980
d97994dc
AV		 2981void
2982qla2x00_update_fcports(scsi_qla_host_t *ha)
2983{
2984 fc_port_t *fcport;
2985
2986 /* Go with deferred removal of rport references. */
2987 list_for_each_entry(fcport, &ha->fcports, list)
2988 if (fcport->drport)
2989 qla2x00_rport_del(fcport);
2990}
2991
1da177e4
LT		 2992/*
2993* qla2x00_abort_isp
2994* Resets ISP and aborts all outstanding commands.
2995*
2996* Input:
2997* ha = adapter block pointer.
2998*
2999* Returns:
3000* 0 = success
3001*/
3002int
3003qla2x00_abort_isp(scsi_qla_host_t *ha)
3004{
3005 unsigned long flags = 0;
3006 uint16_t cnt;
3007 srb_t *sp;
3008 uint8_t status = 0;
3009
3010 if (ha->flags.online) {
3011 ha->flags.online = 0;
3012 clear_bit(ISP_ABORT_NEEDED, &ha->dpc_flags);
1da177e4
LT		 3013
3014 qla_printk(KERN_INFO, ha,
3015 "Performing ISP error recovery - ha= %p.\n", ha);
abbd8870 3016 ha->isp_ops.reset_chip(ha);
1da177e4
LT		 3017
3018 atomic_set(&ha->loop_down_timer, LOOP_DOWN_TIME);
3019 if (atomic_read(&ha->loop_state) != LOOP_DOWN) {
3020 atomic_set(&ha->loop_state, LOOP_DOWN);
d97994dc 3021 qla2x00_mark_all_devices_lost(ha, 0);
1da177e4
LT		 3022 } else {
3023 if (!atomic_read(&ha->loop_down_timer))
3024 atomic_set(&ha->loop_down_timer,
3025 LOOP_DOWN_TIME);
3026 }
3027
3028 spin_lock_irqsave(&ha->hardware_lock, flags);
3029 /* Requeue all commands in outstanding command list. */
3030 for (cnt = 1; cnt < MAX_OUTSTANDING_COMMANDS; cnt++) {
3031 sp = ha->outstanding_cmds[cnt];
3032 if (sp) {
3033 ha->outstanding_cmds[cnt] = NULL;
1da177e4 3034 sp->flags = 0;
f4f051eb 3035 sp->cmd->result = DID_RESET << 16;
1da177e4 3036 sp->cmd->host_scribble = (unsigned char *)NULL;
f4f051eb 3037 qla2x00_sp_compl(ha, sp);
1da177e4
LT		 3038 }
3039 }
3040 spin_unlock_irqrestore(&ha->hardware_lock, flags);
3041
abbd8870 3042 ha->isp_ops.nvram_config(ha);
1da177e4
LT		 3043
3044 if (!qla2x00_restart_isp(ha)) {
3045 clear_bit(RESET_MARKER_NEEDED, &ha->dpc_flags);
3046
3047 if (!atomic_read(&ha->loop_down_timer)) {
3048 /*
3049 * Issue marker command only when we are going
3050 * to start the I/O .
3051 */
3052 ha->marker_needed = 1;
3053 }
3054
3055 ha->flags.online = 1;
3056
abbd8870 3057 ha->isp_ops.enable_intrs(ha);
1da177e4 3058
fa2a1ce5 3059 ha->isp_abort_cnt = 0;
1da177e4
LT		 3060 clear_bit(ISP_ABORT_RETRY, &ha->dpc_flags);
3061 } else { /* failed the ISP abort */
3062 ha->flags.online = 1;
3063 if (test_bit(ISP_ABORT_RETRY, &ha->dpc_flags)) {
3064 if (ha->isp_abort_cnt == 0) {
3065 qla_printk(KERN_WARNING, ha,
3066 "ISP error recovery failed - "
3067 "board disabled\n");
fa2a1ce5 3068 /*
1da177e4
LT		 3069 * The next call disables the board
3070 * completely.
3071 */
abbd8870 3072 ha->isp_ops.reset_adapter(ha);
1da177e4
LT		 3073 ha->flags.online = 0;
3074 clear_bit(ISP_ABORT_RETRY,
3075 &ha->dpc_flags);
3076 status = 0;
3077 } else { /* schedule another ISP abort */
3078 ha->isp_abort_cnt--;
3079 DEBUG(printk("qla%ld: ISP abort - "
0107109e 3080 "retry remaining %d\n",
1da177e4
LT		 3081 ha->host_no, ha->isp_abort_cnt);)
3082 status = 1;
3083 }
3084 } else {
3085 ha->isp_abort_cnt = MAX_RETRIES_OF_ISP_ABORT;
3086 DEBUG(printk("qla2x00(%ld): ISP error recovery "
3087 "- retrying (%d) more times\n",
3088 ha->host_no, ha->isp_abort_cnt);)
3089 set_bit(ISP_ABORT_RETRY, &ha->dpc_flags);
3090 status = 1;
3091 }
3092 }
fa2a1ce5 3093
1da177e4
LT		 3094 }
3095
3096 if (status) {
3097 qla_printk(KERN_INFO, ha,
3098 "qla2x00_abort_isp: **** FAILED ****\n");
3099 } else {
3100 DEBUG(printk(KERN_INFO
3101 "qla2x00_abort_isp(%ld): exiting.\n",
3102 ha->host_no);)
3103 }
3104
3105 return(status);
3106}
3107
3108/*
3109* qla2x00_restart_isp
3110* restarts the ISP after a reset
3111*
3112* Input:
3113* ha = adapter block pointer.
3114*
3115* Returns:
3116* 0 = success
3117*/
3118static int
3119qla2x00_restart_isp(scsi_qla_host_t *ha)
3120{
3121 uint8_t status = 0;
3d71644c 3122 struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
1da177e4
LT		 3123 unsigned long flags = 0;
3124 uint32_t wait_time;
3125
3126 /* If firmware needs to be loaded */
3127 if (qla2x00_isp_firmware(ha)) {
3128 ha->flags.online = 0;
abbd8870 3129 if (!(status = ha->isp_ops.chip_diag(ha))) {
1da177e4
LT		 3130 if (IS_QLA2100(ha) || IS_QLA2200(ha)) {
3131 status = qla2x00_setup_chip(ha);
3132 goto done;
3133 }
3134
1da177e4
LT		 3135 spin_lock_irqsave(&ha->hardware_lock, flags);
3136
044cc6c8 3137 if (!IS_QLA24XX(ha) && !IS_QLA54XX(ha)) {
0107109e
AV		 3138 /*
3139 * Disable SRAM, Instruction RAM and GP RAM
3140 * parity.
3141 */
3142 WRT_REG_WORD(&reg->hccr,
3143 (HCCR_ENABLE_PARITY + 0x0));
3144 RD_REG_WORD(&reg->hccr);
3145 }
1da177e4
LT		 3146
3147 spin_unlock_irqrestore(&ha->hardware_lock, flags);
fa2a1ce5 3148
1da177e4
LT		 3149 status = qla2x00_setup_chip(ha);
3150
3151 spin_lock_irqsave(&ha->hardware_lock, flags);
fa2a1ce5 3152
044cc6c8 3153 if (!IS_QLA24XX(ha) && !IS_QLA54XX(ha)) {
0107109e
AV		 3154 /* Enable proper parity */
3155 if (IS_QLA2300(ha))
3156 /* SRAM parity */
3157 WRT_REG_WORD(&reg->hccr,
3158 (HCCR_ENABLE_PARITY + 0x1));
3159 else
3160 /*
3161 * SRAM, Instruction RAM and GP RAM
3162 * parity.
3163 */
3164 WRT_REG_WORD(&reg->hccr,
3165 (HCCR_ENABLE_PARITY + 0x7));
3166 RD_REG_WORD(&reg->hccr);
3167 }
1da177e4
LT		 3168
3169 spin_unlock_irqrestore(&ha->hardware_lock, flags);
3170 }
3171 }
3172
3173 done:
3174 if (!status && !(status = qla2x00_init_rings(ha))) {
3175 clear_bit(RESET_MARKER_NEEDED, &ha->dpc_flags);
3176 if (!(status = qla2x00_fw_ready(ha))) {
3177 DEBUG(printk("%s(): Start configure loop, "
0107109e
AV		 3178 "status = %d\n", __func__, status);)
3179
3180 /* Issue a marker after FW becomes ready. */
3181 qla2x00_marker(ha, 0, 0, MK_SYNC_ALL);
3182
1da177e4
LT		 3183 ha->flags.online = 1;
3184 /* Wait at most MAX_TARGET RSCNs for a stable link. */
3185 wait_time = 256;
3186 do {
3187 clear_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags);
3188 qla2x00_configure_loop(ha);
3189 wait_time--;
3190 } while (!atomic_read(&ha->loop_down_timer) &&
3191 !(test_bit(ISP_ABORT_NEEDED, &ha->dpc_flags)) &&
3192 wait_time &&
3193 (test_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags)));
3194 }
3195
3196 /* if no cable then assume it's good */
fa2a1ce5 3197 if ((ha->device_flags & DFLG_NO_CABLE))
1da177e4
LT		 3198 status = 0;
3199
3200 DEBUG(printk("%s(): Configure loop done, status = 0x%x\n",
3201 __func__,
3202 status);)
3203 }
3204 return (status);
3205}
3206
3207/*
3208* qla2x00_reset_adapter
3209* Reset adapter.
3210*
3211* Input:
3212* ha = adapter block pointer.
3213*/
abbd8870 3214void
1da177e4
LT		 3215qla2x00_reset_adapter(scsi_qla_host_t *ha)
3216{
3217 unsigned long flags = 0;
3d71644c 3218 struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
1da177e4
LT		 3219
3220 ha->flags.online = 0;
abbd8870 3221 ha->isp_ops.disable_intrs(ha);
1da177e4 3222
1da177e4
LT		 3223 spin_lock_irqsave(&ha->hardware_lock, flags);
3224 WRT_REG_WORD(&reg->hccr, HCCR_RESET_RISC);
3225 RD_REG_WORD(&reg->hccr); /* PCI Posting. */
3226 WRT_REG_WORD(&reg->hccr, HCCR_RELEASE_RISC);
3227 RD_REG_WORD(&reg->hccr); /* PCI Posting. */
3228 spin_unlock_irqrestore(&ha->hardware_lock, flags);
3229}
0107109e
AV		 3230
3231void
3232qla24xx_reset_adapter(scsi_qla_host_t *ha)
3233{
3234 unsigned long flags = 0;
3235 struct device_reg_24xx __iomem *reg = &ha->iobase->isp24;
3236
3237 ha->flags.online = 0;
3238 ha->isp_ops.disable_intrs(ha);
3239
3240 spin_lock_irqsave(&ha->hardware_lock, flags);
3241 WRT_REG_DWORD(&reg->hccr, HCCRX_SET_RISC_RESET);
3242 RD_REG_DWORD(&reg->hccr);
3243 WRT_REG_DWORD(&reg->hccr, HCCRX_REL_RISC_PAUSE);
3244 RD_REG_DWORD(&reg->hccr);
3245 spin_unlock_irqrestore(&ha->hardware_lock, flags);
3246}
3247
3248int
3249qla24xx_nvram_config(scsi_qla_host_t *ha)
3250{
3251 int rval;
3252 struct init_cb_24xx *icb;
3253 struct nvram_24xx *nv;
3254 uint32_t *dptr;
3255 uint8_t *dptr1, *dptr2;
3256 uint32_t chksum;
3257 uint16_t cnt;
3258
3259 rval = QLA_SUCCESS;
3260 icb = (struct init_cb_24xx *)ha->init_cb;
3261 nv = (struct nvram_24xx *)ha->request_ring;
3262
3263 /* Determine NVRAM starting address. */
3264 ha->nvram_size = sizeof(struct nvram_24xx);
3265 ha->nvram_base = FA_NVRAM_FUNC0_ADDR;
3266 if (PCI_FUNC(ha->pdev->devfn))
3267 ha->nvram_base = FA_NVRAM_FUNC1_ADDR;
3268
3269 /* Get NVRAM data and calculate checksum. */
3270 dptr = (uint32_t *)nv;
3271 ha->isp_ops.read_nvram(ha, (uint8_t *)dptr, ha->nvram_base,
3272 ha->nvram_size);
3273 for (cnt = 0, chksum = 0; cnt < ha->nvram_size >> 2; cnt++)
3274 chksum += le32_to_cpu(*dptr++);
3275
3276 DEBUG5(printk("scsi(%ld): Contents of NVRAM\n", ha->host_no));
3277 DEBUG5(qla2x00_dump_buffer((uint8_t *)ha->request_ring,
3278 ha->nvram_size));
3279
3280 /* Bad NVRAM data, set defaults parameters. */
3281 if (chksum || nv->id[0] != 'I' || nv->id[1] != 'S' || nv->id[2] != 'P'
3282 || nv->id[3] != ' ' ||
3283 nv->nvram_version < __constant_cpu_to_le16(ICB_VERSION)) {
3284 /* Reset NVRAM data. */
3285 qla_printk(KERN_WARNING, ha, "Inconsistent NVRAM detected: "
3286 "checksum=0x%x id=%c version=0x%x.\n", chksum, nv->id[0],
3287 le16_to_cpu(nv->nvram_version));
3288 qla_printk(KERN_WARNING, ha, "Falling back to functioning (yet "
3289 "invalid -- WWPN) defaults.\n");
3290
3291 /*
3292 * Set default initialization control block.
3293 */
3294 memset(nv, 0, ha->nvram_size);
3295 nv->nvram_version = __constant_cpu_to_le16(ICB_VERSION);
3296 nv->version = __constant_cpu_to_le16(ICB_VERSION);
3297 nv->frame_payload_size = __constant_cpu_to_le16(2048);
3298 nv->execution_throttle = __constant_cpu_to_le16(0xFFFF);
3299 nv->exchange_count = __constant_cpu_to_le16(0);
3300 nv->hard_address = __constant_cpu_to_le16(124);
3301 nv->port_name[0] = 0x21;
3302 nv->port_name[1] = 0x00 + PCI_FUNC(ha->pdev->devfn);
3303 nv->port_name[2] = 0x00;
3304 nv->port_name[3] = 0xe0;
3305 nv->port_name[4] = 0x8b;
3306 nv->port_name[5] = 0x1c;
3307 nv->port_name[6] = 0x55;
3308 nv->port_name[7] = 0x86;
3309 nv->node_name[0] = 0x20;
3310 nv->node_name[1] = 0x00;
3311 nv->node_name[2] = 0x00;
3312 nv->node_name[3] = 0xe0;
3313 nv->node_name[4] = 0x8b;
3314 nv->node_name[5] = 0x1c;
3315 nv->node_name[6] = 0x55;
3316 nv->node_name[7] = 0x86;
3317 nv->login_retry_count = __constant_cpu_to_le16(8);
3318 nv->link_down_timeout = __constant_cpu_to_le16(200);
3319 nv->interrupt_delay_timer = __constant_cpu_to_le16(0);
3320 nv->login_timeout = __constant_cpu_to_le16(0);
3321 nv->firmware_options_1 =
3322 __constant_cpu_to_le32(BIT_14|BIT_13|BIT_2|BIT_1);
3323 nv->firmware_options_2 = __constant_cpu_to_le32(2 << 4);
3324 nv->firmware_options_2 |= __constant_cpu_to_le32(BIT_12);
3325 nv->firmware_options_3 = __constant_cpu_to_le32(2 << 13);
3326 nv->host_p = __constant_cpu_to_le32(BIT_11|BIT_10);
3327 nv->efi_parameters = __constant_cpu_to_le32(0);
3328 nv->reset_delay = 5;
3329 nv->max_luns_per_target = __constant_cpu_to_le16(128);
3330 nv->port_down_retry_count = __constant_cpu_to_le16(30);
3331 nv->link_down_timeout = __constant_cpu_to_le16(30);
3332
3333 rval = 1;
3334 }
3335
3336 /* Reset Initialization control block */
3337 memset(icb, 0, sizeof(struct init_cb_24xx));
3338
3339 /* Copy 1st segment. */
3340 dptr1 = (uint8_t *)icb;
3341 dptr2 = (uint8_t *)&nv->version;
3342 cnt = (uint8_t *)&icb->response_q_inpointer - (uint8_t *)&icb->version;
3343 while (cnt--)
3344 *dptr1++ = *dptr2++;
3345
3346 icb->login_retry_count = nv->login_retry_count;
3347 icb->link_down_timeout = nv->link_down_timeout;
3348
3349 /* Copy 2nd segment. */
3350 dptr1 = (uint8_t *)&icb->interrupt_delay_timer;
3351 dptr2 = (uint8_t *)&nv->interrupt_delay_timer;
3352 cnt = (uint8_t *)&icb->reserved_3 -
3353 (uint8_t *)&icb->interrupt_delay_timer;
3354 while (cnt--)
3355 *dptr1++ = *dptr2++;
3356
3357 /*
3358 * Setup driver NVRAM options.
3359 */
3360 if (memcmp(nv->model_name, BINZERO, sizeof(nv->model_name)) != 0) {
3361 char *st, *en;
3362 uint16_t index;
3363
3364 strncpy(ha->model_number, nv->model_name,
3365 sizeof(nv->model_name));
3366 st = en = ha->model_number;
3367 en += sizeof(nv->model_name) - 1;
3368 while (en > st) {
3369 if (*en != 0x20 && *en != 0x00)
3370 break;
3371 *en-- = '\0';
3372 }
3373
3374 index = (ha->pdev->subsystem_device & 0xff);
3375 if (index < QLA_MODEL_NAMES)
1328962e 3376 ha->model_desc = qla2x00_model_name[index * 2 + 1];
0107109e
AV		 3377 } else
3378 strcpy(ha->model_number, "QLA2462");
3379
3380 /* Prepare nodename */
3381 if ((icb->firmware_options_1 & BIT_14) == 0) {
3382 /*
3383 * Firmware will apply the following mask if the nodename was
3384 * not provided.
3385 */
3386 memcpy(icb->node_name, icb->port_name, WWN_SIZE);
3387 icb->node_name[0] &= 0xF0;
3388 }
3389
3390 /* Set host adapter parameters. */
3391 ha->flags.disable_risc_code_load = 0;
3392 ha->flags.enable_lip_reset = 1;
3393 ha->flags.enable_lip_full_login = 1;
3394 ha->flags.enable_target_reset = 1;
3395 ha->flags.enable_led_scheme = 0;
3396
3397 ha->operating_mode =
3398 (icb->firmware_options_2 & (BIT_6 | BIT_5 | BIT_4)) >> 4;
3399
3400 memcpy(ha->fw_seriallink_options24, nv->seriallink_options,
3401 sizeof(ha->fw_seriallink_options24));
3402
3403 /* save HBA serial number */
3404 ha->serial0 = icb->port_name[5];
3405 ha->serial1 = icb->port_name[6];
3406 ha->serial2 = icb->port_name[7];
3407 ha->node_name = icb->node_name;
3408 ha->port_name = icb->port_name;
3409
bc8fb3cb
AV		 3410 icb->execution_throttle = __constant_cpu_to_le16(0xFFFF);
3411
0107109e
AV		 3412 ha->retry_count = le16_to_cpu(nv->login_retry_count);
3413
3414 /* Set minimum login_timeout to 4 seconds. */
3415 if (le16_to_cpu(nv->login_timeout) < ql2xlogintimeout)
3416 nv->login_timeout = cpu_to_le16(ql2xlogintimeout);
3417 if (le16_to_cpu(nv->login_timeout) < 4)
3418 nv->login_timeout = __constant_cpu_to_le16(4);
3419 ha->login_timeout = le16_to_cpu(nv->login_timeout);
3420 icb->login_timeout = cpu_to_le16(nv->login_timeout);
3421
3422 /* Set minimum RATOV to 200 tenths of a second. */
3423 ha->r_a_tov = 200;
3424
3425 ha->loop_reset_delay = nv->reset_delay;
3426
3427 /* Link Down Timeout = 0:
3428 *
3429 * When Port Down timer expires we will start returning
3430 * I/O's to OS with "DID_NO_CONNECT".
3431 *
3432 * Link Down Timeout != 0:
3433 *
3434 * The driver waits for the link to come up after link down
3435 * before returning I/Os to OS with "DID_NO_CONNECT".
3436 */
3437 if (le16_to_cpu(nv->link_down_timeout) == 0) {
3438 ha->loop_down_abort_time =
3439 (LOOP_DOWN_TIME - LOOP_DOWN_TIMEOUT);
3440 } else {
3441 ha->link_down_timeout = le16_to_cpu(nv->link_down_timeout);
3442 ha->loop_down_abort_time =
3443 (LOOP_DOWN_TIME - ha->link_down_timeout);
3444 }
3445
3446 /* Need enough time to try and get the port back. */
3447 ha->port_down_retry_count = le16_to_cpu(nv->port_down_retry_count);
3448 if (qlport_down_retry)
3449 ha->port_down_retry_count = qlport_down_retry;
3450
3451 /* Set login_retry_count */
3452 ha->login_retry_count = le16_to_cpu(nv->login_retry_count);
3453 if (ha->port_down_retry_count ==
3454 le16_to_cpu(nv->port_down_retry_count) &&
3455 ha->port_down_retry_count > 3)
3456 ha->login_retry_count = ha->port_down_retry_count;
3457 else if (ha->port_down_retry_count > (int)ha->login_retry_count)
3458 ha->login_retry_count = ha->port_down_retry_count;
3459 if (ql2xloginretrycount)
3460 ha->login_retry_count = ql2xloginretrycount;
3461
4fdfefe5
AV		 3462 /* Enable ZIO. */
3463 if (!ha->flags.init_done) {
3464 ha->zio_mode = le32_to_cpu(icb->firmware_options_2) &
3465 (BIT_3 | BIT_2 | BIT_1 | BIT_0);
3466 ha->zio_timer = le16_to_cpu(icb->interrupt_delay_timer) ?
3467 le16_to_cpu(icb->interrupt_delay_timer): 2;
3468 }
3469 icb->firmware_options_2 &= __constant_cpu_to_le32(
3470 ~(BIT_3 | BIT_2 | BIT_1 | BIT_0));
3471 ha->flags.process_response_queue = 0;
3472 if (ha->zio_mode != QLA_ZIO_DISABLED) {
3473 DEBUG2(printk("scsi(%ld): ZIO mode %d enabled; timer delay "
3474 "(%d us).\n", ha->host_no, ha->zio_mode,
3475 ha->zio_timer * 100));
3476 qla_printk(KERN_INFO, ha,
3477 "ZIO mode %d enabled; timer delay (%d us).\n",
3478 ha->zio_mode, ha->zio_timer * 100);
3479
3480 icb->firmware_options_2 |= cpu_to_le32(
3481 (uint32_t)ha->zio_mode);
3482 icb->interrupt_delay_timer = cpu_to_le16(ha->zio_timer);
3483 ha->flags.process_response_queue = 1;
3484 }
3485
0107109e
AV		 3486 if (rval) {
3487 DEBUG2_3(printk(KERN_WARNING
3488 "scsi(%ld): NVRAM configuration failed!\n", ha->host_no));
3489 }
3490 return (rval);
3491}
3492
5433383e
AV		 3493#if defined(CONFIG_SCSI_QLA2XXX_EMBEDDED_FIRMWARE)
3494
0107109e
AV		 3495int
3496qla2x00_load_risc(scsi_qla_host_t *ha, uint32_t *srisc_addr)
3497{
5433383e
AV		 3498 int rval, num, i;
3499 uint32_t cnt;
3500 uint16_t *risc_code;
3501 uint32_t risc_addr, risc_size;
3502 uint16_t *req_ring;
0107109e
AV		 3503 struct qla_fw_info *fw_iter;
3504
3505 rval = QLA_SUCCESS;
3506
3507 /* Load firmware sequences */
3508 fw_iter = ha->brd_info->fw_info;
3509 *srisc_addr = *ha->brd_info->fw_info->fwstart;
3510 while (fw_iter->addressing != FW_INFO_ADDR_NOMORE) {
3511 risc_code = fw_iter->fwcode;
5433383e
AV		 3512 risc_size = *fw_iter->fwlen;
3513 if (fw_iter->addressing == FW_INFO_ADDR_NORMAL)
3514 risc_addr = *fw_iter->fwstart;
3515 else
3516 risc_addr = *fw_iter->lfwstart;
0107109e
AV		 3517
3518 num = 0;
3519 rval = 0;
5433383e 3520 while (risc_size > 0 && !rval) {
0107109e 3521 cnt = (uint16_t)(ha->fw_transfer_size >> 1);
5433383e
AV		 3522 if (cnt > risc_size)
3523 cnt = risc_size;
0107109e
AV		 3524
3525 DEBUG7(printk("scsi(%ld): Loading risc segment@ "
3526 "addr %p, number of bytes 0x%x, offset 0x%lx.\n",
5433383e 3527 ha->host_no, risc_code, cnt, risc_addr));
0107109e
AV		 3528
3529 req_ring = (uint16_t *)ha->request_ring;
3530 for (i = 0; i < cnt; i++)
3531 req_ring[i] = cpu_to_le16(risc_code[i]);
3532
5433383e
AV		 3533 rval = qla2x00_load_ram(ha, ha->request_dma, risc_addr,
3534 cnt);
0107109e
AV		 3535 if (rval) {
3536 DEBUG(printk("scsi(%ld): [ERROR] Failed to "
3537 "load segment %d of firmware\n",
3538 ha->host_no, num));
3539 qla_printk(KERN_WARNING, ha,
3540 "[ERROR] Failed to load segment %d of "
3541 "firmware\n", num);
3542
3543 qla2x00_dump_regs(ha);
3544 break;
3545 }
3546
3547 risc_code += cnt;
5433383e
AV		 3548 risc_addr += cnt;
3549 risc_size -= cnt;
0107109e
AV		 3550 num++;
3551 }
3552
3553 /* Next firmware sequence */
3554 fw_iter++;
3555 }
5433383e 3556 return rval;
0107109e
AV		 3557}
3558
331e3476
AV		 3559int
3560qla24xx_load_risc(scsi_qla_host_t *ha, uint32_t *srisc_addr)
3561{
3562 int rval, num, i;
3563 uint32_t cnt;
3564 uint32_t *risc_code;
3565 uint32_t risc_addr, risc_size;
3566 uint32_t *req_ring;
3567 struct qla_fw_info *fw_iter;
3568
3569 rval = QLA_SUCCESS;
3570
3571 /* Load firmware sequences */
3572 fw_iter = ha->brd_info->fw_info;
3573 *srisc_addr = *((uint32_t *)fw_iter->lfwstart);
3574 while (fw_iter->addressing != FW_INFO_ADDR_NOMORE) {
3575 risc_code = (uint32_t *)fw_iter->fwcode;
3576 risc_size = *((uint32_t *)fw_iter->fwlen);
3577 risc_addr = *((uint32_t *)fw_iter->lfwstart);
3578
3579 num = 0;
3580 rval = 0;
3581 while (risc_size > 0 && !rval) {
3582 cnt = (uint32_t)(ha->fw_transfer_size >> 2);
3583 if (cnt > risc_size)
3584 cnt = risc_size;
3585
3586 DEBUG7(printk("scsi(%ld): Loading risc segment@ "
3587 "addr %p, number of bytes 0x%x, offset 0x%lx.\n",
3588 ha->host_no, risc_code, cnt, risc_addr));
3589
3590 req_ring = (uint32_t *)ha->request_ring;
3591 for (i = 0; i < cnt; i++)
3592 req_ring[i] = cpu_to_le32(risc_code[i]);
3593
3594 rval = qla2x00_load_ram(ha, ha->request_dma, risc_addr,
3595 cnt);
3596 if (rval) {
3597 DEBUG(printk("scsi(%ld): [ERROR] Failed to "
3598 "load segment %d of firmware\n",
3599 ha->host_no, num));
3600 qla_printk(KERN_WARNING, ha,
3601 "[ERROR] Failed to load segment %d of "
3602 "firmware\n", num);
3603
3604 qla2x00_dump_regs(ha);
3605 break;
3606 }
3607
3608 risc_code += cnt;
3609 risc_addr += cnt;
3610 risc_size -= cnt;
3611 num++;
3612 }
3613
3614 /* Next firmware sequence */
3615 fw_iter++;
3616 }
3617 return rval;
3618}
3619
0107109e
AV		 3620int
3621qla24xx_load_risc_flash(scsi_qla_host_t *ha, uint32_t *srisc_addr)
3622{
3623 int rval;
3624 int segments, fragment;
3625 uint32_t faddr;
3626 uint32_t *dcode, dlen;
3627 uint32_t risc_addr;
3628 uint32_t risc_size;
3629 uint32_t i;
3630
3631 rval = QLA_SUCCESS;
3632
3633 segments = FA_RISC_CODE_SEGMENTS;
3634 faddr = FA_RISC_CODE_ADDR;
3635 dcode = (uint32_t *)ha->request_ring;
3636 *srisc_addr = 0;
3637
3638 /* Validate firmware image by checking version. */
3639 qla24xx_read_flash_data(ha, dcode, faddr + 4, 4);
3640 for (i = 0; i < 4; i++)
3641 dcode[i] = be32_to_cpu(dcode[i]);
3642 if ((dcode[0] == 0xffffffff && dcode[1] == 0xffffffff &&
3643 dcode[2] == 0xffffffff && dcode[3] == 0xffffffff) ||
3644 (dcode[0] == 0 && dcode[1] == 0 && dcode[2] == 0 &&
3645 dcode[3] == 0)) {
3646 qla_printk(KERN_WARNING, ha,
3647 "Unable to verify integrity of flash firmware image!\n");
3648 qla_printk(KERN_WARNING, ha,
3649 "Firmware data: %08x %08x %08x %08x!\n", dcode[0],
3650 dcode[1], dcode[2], dcode[3]);
3651
3652 return QLA_FUNCTION_FAILED;
3653 }
3654
3655 while (segments && rval == QLA_SUCCESS) {
3656 /* Read segment's load information. */
3657 qla24xx_read_flash_data(ha, dcode, faddr, 4);
3658
3659 risc_addr = be32_to_cpu(dcode[2]);
3660 *srisc_addr = *srisc_addr == 0 ? risc_addr : *srisc_addr;
3661 risc_size = be32_to_cpu(dcode[3]);
3662
3663 fragment = 0;
3664 while (risc_size > 0 && rval == QLA_SUCCESS) {
3665 dlen = (uint32_t)(ha->fw_transfer_size >> 2);
3666 if (dlen > risc_size)
3667 dlen = risc_size;
3668
3669 DEBUG7(printk("scsi(%ld): Loading risc segment@ risc "
3670 "addr %x, number of dwords 0x%x, offset 0x%x.\n",
3671 ha->host_no, risc_addr, dlen, faddr));
3672
3673 qla24xx_read_flash_data(ha, dcode, faddr, dlen);
3674 for (i = 0; i < dlen; i++)
3675 dcode[i] = swab32(dcode[i]);
3676
590f98e5
AV		 3677 rval = qla2x00_load_ram(ha, ha->request_dma, risc_addr,
3678 dlen);
0107109e
AV		 3679 if (rval) {
3680 DEBUG(printk("scsi(%ld):[ERROR] Failed to load "
3681 "segment %d of firmware\n", ha->host_no,
3682 fragment));
3683 qla_printk(KERN_WARNING, ha,
3684 "[ERROR] Failed to load segment %d of "
3685 "firmware\n", fragment);
3686 break;
3687 }
3688
3689 faddr += dlen;
3690 risc_addr += dlen;
3691 risc_size -= dlen;
3692 fragment++;
3693 }
3694
3695 /* Next segment. */
3696 segments--;
3697 }
3698
3699 return rval;
3700}
3701
5433383e
AV		 3702#else /* !defined(CONFIG_SCSI_QLA2XXX_EMBEDDED_FIRMWARE) */
3703
0107109e 3704int
5433383e
AV		 3705qla2x00_load_risc(scsi_qla_host_t *ha, uint32_t *srisc_addr)
3706{
3707 int rval;
3708 int i, fragment;
3709 uint16_t *wcode, *fwcode;
3710 uint32_t risc_addr, risc_size, fwclen, wlen, *seg;
3711 struct fw_blob *blob;
3712
3713 /* Load firmware blob. */
3714 blob = qla2x00_request_firmware(ha);
3715 if (!blob) {
3716 qla_printk(KERN_ERR, ha, "Firmware image unavailable.\n");
3717 return QLA_FUNCTION_FAILED;
3718 }
3719
3720 rval = QLA_SUCCESS;
3721
3722 wcode = (uint16_t *)ha->request_ring;
3723 *srisc_addr = 0;
3724 fwcode = (uint16_t *)blob->fw->data;
3725 fwclen = 0;
3726
3727 /* Validate firmware image by checking version. */
3728 if (blob->fw->size < 8 * sizeof(uint16_t)) {
3729 qla_printk(KERN_WARNING, ha,
3730 "Unable to verify integrity of firmware image (%Zd)!\n",
3731 blob->fw->size);
3732 goto fail_fw_integrity;
3733 }
3734 for (i = 0; i < 4; i++)
3735 wcode[i] = be16_to_cpu(fwcode[i + 4]);
3736 if ((wcode[0] == 0xffff && wcode[1] == 0xffff && wcode[2] == 0xffff &&
3737 wcode[3] == 0xffff) || (wcode[0] == 0 && wcode[1] == 0 &&
3738 wcode[2] == 0 && wcode[3] == 0)) {
3739 qla_printk(KERN_WARNING, ha,
3740 "Unable to verify integrity of firmware image!\n");
3741 qla_printk(KERN_WARNING, ha,
3742 "Firmware data: %04x %04x %04x %04x!\n", wcode[0],
3743 wcode[1], wcode[2], wcode[3]);
3744 goto fail_fw_integrity;
3745 }
3746
3747 seg = blob->segs;
3748 while (*seg && rval == QLA_SUCCESS) {
3749 risc_addr = *seg;
3750 *srisc_addr = *srisc_addr == 0 ? *seg : *srisc_addr;
3751 risc_size = be16_to_cpu(fwcode[3]);
3752
3753 /* Validate firmware image size. */
3754 fwclen += risc_size * sizeof(uint16_t);
3755 if (blob->fw->size < fwclen) {
3756 qla_printk(KERN_WARNING, ha,
3757 "Unable to verify integrity of firmware image "
3758 "(%Zd)!\n", blob->fw->size);
3759 goto fail_fw_integrity;
3760 }
3761
3762 fragment = 0;
3763 while (risc_size > 0 && rval == QLA_SUCCESS) {
3764 wlen = (uint16_t)(ha->fw_transfer_size >> 1);
3765 if (wlen > risc_size)
3766 wlen = risc_size;
3767
3768 DEBUG7(printk("scsi(%ld): Loading risc segment@ risc "
3769 "addr %x, number of words 0x%x.\n", ha->host_no,
3770 risc_addr, wlen));
3771
3772 for (i = 0; i < wlen; i++)
3773 wcode[i] = swab16(fwcode[i]);
3774
3775 rval = qla2x00_load_ram(ha, ha->request_dma, risc_addr,
3776 wlen);
3777 if (rval) {
3778 DEBUG(printk("scsi(%ld):[ERROR] Failed to load "
3779 "segment %d of firmware\n", ha->host_no,
3780 fragment));
3781 qla_printk(KERN_WARNING, ha,
3782 "[ERROR] Failed to load segment %d of "
3783 "firmware\n", fragment);
3784 break;
3785 }
3786
3787 fwcode += wlen;
3788 risc_addr += wlen;
3789 risc_size -= wlen;
3790 fragment++;
3791 }
3792
3793 /* Next segment. */
3794 seg++;
3795 }
3796 return rval;
3797
3798fail_fw_integrity:
3799 return QLA_FUNCTION_FAILED;
3800}
3801
3802int
3803qla24xx_load_risc(scsi_qla_host_t *ha, uint32_t *srisc_addr)
0107109e
AV		 3804{
3805 int rval;
3806 int segments, fragment;
3807 uint32_t *dcode, dlen;
3808 uint32_t risc_addr;
3809 uint32_t risc_size;
3810 uint32_t i;
5433383e 3811 struct fw_blob *blob;
0107109e
AV		 3812 uint32_t *fwcode, fwclen;
3813
5433383e
AV		 3814 /* Load firmware blob. */
3815 blob = qla2x00_request_firmware(ha);
3816 if (!blob) {
3817 qla_printk(KERN_ERR, ha, "Firmware image unavailable.\n");
0107109e
AV		 3818 return QLA_FUNCTION_FAILED;
3819 }
3820
3821 rval = QLA_SUCCESS;
3822
3823 segments = FA_RISC_CODE_SEGMENTS;
3824 dcode = (uint32_t *)ha->request_ring;
3825 *srisc_addr = 0;
5433383e 3826 fwcode = (uint32_t *)blob->fw->data;
0107109e
AV		 3827 fwclen = 0;
3828
3829 /* Validate firmware image by checking version. */
5433383e 3830 if (blob->fw->size < 8 * sizeof(uint32_t)) {
0107109e 3831 qla_printk(KERN_WARNING, ha,
5433383e
AV		 3832 "Unable to verify integrity of firmware image (%Zd)!\n",
3833 blob->fw->size);
0107109e
AV		 3834 goto fail_fw_integrity;
3835 }
3836 for (i = 0; i < 4; i++)
3837 dcode[i] = be32_to_cpu(fwcode[i + 4]);
3838 if ((dcode[0] == 0xffffffff && dcode[1] == 0xffffffff &&
3839 dcode[2] == 0xffffffff && dcode[3] == 0xffffffff) ||
3840 (dcode[0] == 0 && dcode[1] == 0 && dcode[2] == 0 &&
3841 dcode[3] == 0)) {
3842 qla_printk(KERN_WARNING, ha,
5433383e 3843 "Unable to verify integrity of firmware image!\n");
0107109e
AV		 3844 qla_printk(KERN_WARNING, ha,
3845 "Firmware data: %08x %08x %08x %08x!\n", dcode[0],
3846 dcode[1], dcode[2], dcode[3]);
3847 goto fail_fw_integrity;
3848 }
3849
3850 while (segments && rval == QLA_SUCCESS) {
3851 risc_addr = be32_to_cpu(fwcode[2]);
3852 *srisc_addr = *srisc_addr == 0 ? risc_addr : *srisc_addr;
3853 risc_size = be32_to_cpu(fwcode[3]);
3854
3855 /* Validate firmware image size. */
3856 fwclen += risc_size * sizeof(uint32_t);
5433383e 3857 if (blob->fw->size < fwclen) {
0107109e 3858 qla_printk(KERN_WARNING, ha,
5433383e
AV		 3859 "Unable to verify integrity of firmware image "
3860 "(%Zd)!\n", blob->fw->size);
3861
0107109e
AV		 3862 goto fail_fw_integrity;
3863 }
3864
3865 fragment = 0;
3866 while (risc_size > 0 && rval == QLA_SUCCESS) {
3867 dlen = (uint32_t)(ha->fw_transfer_size >> 2);
3868 if (dlen > risc_size)
3869 dlen = risc_size;
3870
3871 DEBUG7(printk("scsi(%ld): Loading risc segment@ risc "
3872 "addr %x, number of dwords 0x%x.\n", ha->host_no,
3873 risc_addr, dlen));
3874
3875 for (i = 0; i < dlen; i++)
3876 dcode[i] = swab32(fwcode[i]);
3877
590f98e5
AV		 3878 rval = qla2x00_load_ram(ha, ha->request_dma, risc_addr,
3879 dlen);
0107109e
AV		 3880 if (rval) {
3881 DEBUG(printk("scsi(%ld):[ERROR] Failed to load "
3882 "segment %d of firmware\n", ha->host_no,
3883 fragment));
3884 qla_printk(KERN_WARNING, ha,
3885 "[ERROR] Failed to load segment %d of "
3886 "firmware\n", fragment);
3887 break;
3888 }
3889
3890 fwcode += dlen;
3891 risc_addr += dlen;
3892 risc_size -= dlen;
3893 fragment++;
3894 }
3895
3896 /* Next segment. */
3897 segments--;
3898 }
0107109e
AV		 3899 return rval;
3900
3901fail_fw_integrity:
0107109e 3902 return QLA_FUNCTION_FAILED;
0107109e 3903}
5433383e 3904#endif
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