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[SCSI] qla2xxx: Add ISP54xx support.
[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
1006 /* Update firmware options. */
1007 qla2x00_set_fw_options(ha, ha->fw_options);
1008}
1009
0107109e
AV		 1010void
1011qla24xx_update_fw_options(scsi_qla_host_t *ha)
1012{
1013 int rval;
1014
1015 /* Update Serial Link options. */
f94097ed 1016 if ((le16_to_cpu(ha->fw_seriallink_options24[0]) & BIT_0) == 0)
0107109e
AV		 1017 return;
1018
f94097ed
AV		 1019 rval = qla2x00_set_serdes_params(ha,
1020 le16_to_cpu(ha->fw_seriallink_options24[1]),
1021 le16_to_cpu(ha->fw_seriallink_options24[2]),
1022 le16_to_cpu(ha->fw_seriallink_options24[3]));
0107109e
AV		 1023 if (rval != QLA_SUCCESS) {
1024 qla_printk(KERN_WARNING, ha,
1025 "Unable to update Serial Link options (%x).\n", rval);
1026 }
1027}
1028
abbd8870
AV		 1029void
1030qla2x00_config_rings(struct scsi_qla_host *ha)
1031{
3d71644c 1032 struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
abbd8870
AV		 1033
1034 /* Setup ring parameters in initialization control block. */
1035 ha->init_cb->request_q_outpointer = __constant_cpu_to_le16(0);
1036 ha->init_cb->response_q_inpointer = __constant_cpu_to_le16(0);
1037 ha->init_cb->request_q_length = cpu_to_le16(ha->request_q_length);
1038 ha->init_cb->response_q_length = cpu_to_le16(ha->response_q_length);
1039 ha->init_cb->request_q_address[0] = cpu_to_le32(LSD(ha->request_dma));
1040 ha->init_cb->request_q_address[1] = cpu_to_le32(MSD(ha->request_dma));
1041 ha->init_cb->response_q_address[0] = cpu_to_le32(LSD(ha->response_dma));
1042 ha->init_cb->response_q_address[1] = cpu_to_le32(MSD(ha->response_dma));
1043
1044 WRT_REG_WORD(ISP_REQ_Q_IN(ha, reg), 0);
1045 WRT_REG_WORD(ISP_REQ_Q_OUT(ha, reg), 0);
1046 WRT_REG_WORD(ISP_RSP_Q_IN(ha, reg), 0);
1047 WRT_REG_WORD(ISP_RSP_Q_OUT(ha, reg), 0);
1048 RD_REG_WORD(ISP_RSP_Q_OUT(ha, reg)); /* PCI Posting. */
1049}
1050
0107109e
AV		 1051void
1052qla24xx_config_rings(struct scsi_qla_host *ha)
1053{
1054 struct device_reg_24xx __iomem *reg = &ha->iobase->isp24;
1055 struct init_cb_24xx *icb;
1056
1057 /* Setup ring parameters in initialization control block. */
1058 icb = (struct init_cb_24xx *)ha->init_cb;
1059 icb->request_q_outpointer = __constant_cpu_to_le16(0);
1060 icb->response_q_inpointer = __constant_cpu_to_le16(0);
1061 icb->request_q_length = cpu_to_le16(ha->request_q_length);
1062 icb->response_q_length = cpu_to_le16(ha->response_q_length);
1063 icb->request_q_address[0] = cpu_to_le32(LSD(ha->request_dma));
1064 icb->request_q_address[1] = cpu_to_le32(MSD(ha->request_dma));
1065 icb->response_q_address[0] = cpu_to_le32(LSD(ha->response_dma));
1066 icb->response_q_address[1] = cpu_to_le32(MSD(ha->response_dma));
1067
1068 WRT_REG_DWORD(&reg->req_q_in, 0);
1069 WRT_REG_DWORD(&reg->req_q_out, 0);
1070 WRT_REG_DWORD(&reg->rsp_q_in, 0);
1071 WRT_REG_DWORD(&reg->rsp_q_out, 0);
1072 RD_REG_DWORD(&reg->rsp_q_out);
1073}
1074
1da177e4
LT		 1075/**
1076 * qla2x00_init_rings() - Initializes firmware.
1077 * @ha: HA context
1078 *
1079 * Beginning of request ring has initialization control block already built
1080 * by nvram config routine.
1081 *
1082 * Returns 0 on success.
1083 */
1084static int
1085qla2x00_init_rings(scsi_qla_host_t *ha)
1086{
1087 int rval;
1088 unsigned long flags = 0;
1089 int cnt;
1da177e4
LT		 1090
1091 spin_lock_irqsave(&ha->hardware_lock, flags);
1092
1093 /* Clear outstanding commands array. */
1094 for (cnt = 0; cnt < MAX_OUTSTANDING_COMMANDS; cnt++)
1095 ha->outstanding_cmds[cnt] = NULL;
1096
1097 ha->current_outstanding_cmd = 0;
1098
1099 /* Clear RSCN queue. */
1100 ha->rscn_in_ptr = 0;
1101 ha->rscn_out_ptr = 0;
1102
1103 /* Initialize firmware. */
1104 ha->request_ring_ptr = ha->request_ring;
1105 ha->req_ring_index = 0;
1106 ha->req_q_cnt = ha->request_q_length;
1107 ha->response_ring_ptr = ha->response_ring;
1108 ha->rsp_ring_index = 0;
1109
1da177e4
LT		 1110 /* Initialize response queue entries */
1111 qla2x00_init_response_q_entries(ha);
1112
abbd8870 1113 ha->isp_ops.config_rings(ha);
1da177e4
LT		 1114
1115 spin_unlock_irqrestore(&ha->hardware_lock, flags);
1116
1117 /* Update any ISP specific firmware options before initialization. */
abbd8870 1118 ha->isp_ops.update_fw_options(ha);
1da177e4
LT		 1119
1120 DEBUG(printk("scsi(%ld): Issue init firmware.\n", ha->host_no));
0107109e 1121 rval = qla2x00_init_firmware(ha, ha->init_cb_size);
1da177e4
LT		 1122 if (rval) {
1123 DEBUG2_3(printk("scsi(%ld): Init firmware **** FAILED ****.\n",
1124 ha->host_no));
1125 } else {
1126 DEBUG3(printk("scsi(%ld): Init firmware -- success.\n",
1127 ha->host_no));
1128 }
1129
1130 return (rval);
1131}
1132
1133/**
1134 * qla2x00_fw_ready() - Waits for firmware ready.
1135 * @ha: HA context
1136 *
1137 * Returns 0 on success.
1138 */
1139static int
1140qla2x00_fw_ready(scsi_qla_host_t *ha)
1141{
1142 int rval;
1143 unsigned long wtime, mtime;
1144 uint16_t min_wait; /* Minimum wait time if loop is down */
1145 uint16_t wait_time; /* Wait time if loop is coming ready */
1146 uint16_t fw_state;
1147
1148 rval = QLA_SUCCESS;
1149
1150 /* 20 seconds for loop down. */
fa2a1ce5 1151 min_wait = 20;
1da177e4
LT		 1152
1153 /*
1154 * Firmware should take at most one RATOV to login, plus 5 seconds for
1155 * our own processing.
1156 */
1157 if ((wait_time = (ha->retry_count*ha->login_timeout) + 5) < min_wait) {
1158 wait_time = min_wait;
1159 }
1160
1161 /* Min wait time if loop down */
1162 mtime = jiffies + (min_wait * HZ);
1163
1164 /* wait time before firmware ready */
1165 wtime = jiffies + (wait_time * HZ);
1166
1167 /* Wait for ISP to finish LIP */
1168 if (!ha->flags.init_done)
1169 qla_printk(KERN_INFO, ha, "Waiting for LIP to complete...\n");
1170
1171 DEBUG3(printk("scsi(%ld): Waiting for LIP to complete...\n",
1172 ha->host_no));
1173
1174 do {
1175 rval = qla2x00_get_firmware_state(ha, &fw_state);
1176 if (rval == QLA_SUCCESS) {
1177 if (fw_state < FSTATE_LOSS_OF_SYNC) {
1178 ha->device_flags &= ~DFLG_NO_CABLE;
1179 }
1180 if (fw_state == FSTATE_READY) {
1181 DEBUG(printk("scsi(%ld): F/W Ready - OK \n",
1182 ha->host_no));
1183
1184 qla2x00_get_retry_cnt(ha, &ha->retry_count,
1185 &ha->login_timeout, &ha->r_a_tov);
1186
1187 rval = QLA_SUCCESS;
1188 break;
1189 }
1190
1191 rval = QLA_FUNCTION_FAILED;
1192
1193 if (atomic_read(&ha->loop_down_timer) &&
1194 (fw_state >= FSTATE_LOSS_OF_SYNC ||
1195 fw_state == FSTATE_WAIT_AL_PA)) {
1196 /* Loop down. Timeout on min_wait for states
fa2a1ce5
AV		 1197 * other than Wait for Login.
1198 */
1da177e4
LT		 1199 if (time_after_eq(jiffies, mtime)) {
1200 qla_printk(KERN_INFO, ha,
1201 "Cable is unplugged...\n");
1202
1203 ha->device_flags |= DFLG_NO_CABLE;
1204 break;
1205 }
1206 }
1207 } else {
1208 /* Mailbox cmd failed. Timeout on min_wait. */
1209 if (time_after_eq(jiffies, mtime))
1210 break;
1211 }
1212
1213 if (time_after_eq(jiffies, wtime))
1214 break;
1215
1216 /* Delay for a while */
1217 msleep(500);
1218
1219 DEBUG3(printk("scsi(%ld): fw_state=%x curr time=%lx.\n",
1220 ha->host_no, fw_state, jiffies));
1221 } while (1);
1222
1223 DEBUG(printk("scsi(%ld): fw_state=%x curr time=%lx.\n",
1224 ha->host_no, fw_state, jiffies));
1225
1226 if (rval) {
1227 DEBUG2_3(printk("scsi(%ld): Firmware ready **** FAILED ****.\n",
1228 ha->host_no));
1229 }
1230
1231 return (rval);
1232}
1233
1234/*
1235* qla2x00_configure_hba
1236* Setup adapter context.
1237*
1238* Input:
1239* ha = adapter state pointer.
1240*
1241* Returns:
1242* 0 = success
1243*
1244* Context:
1245* Kernel context.
1246*/
1247static int
1248qla2x00_configure_hba(scsi_qla_host_t *ha)
1249{
1250 int rval;
1251 uint16_t loop_id;
1252 uint16_t topo;
1253 uint8_t al_pa;
1254 uint8_t area;
1255 uint8_t domain;
1256 char connect_type[22];
1257
1258 /* Get host addresses. */
1259 rval = qla2x00_get_adapter_id(ha,
1260 &loop_id, &al_pa, &area, &domain, &topo);
1261 if (rval != QLA_SUCCESS) {
23443b1d 1262 if (LOOP_TRANSITION(ha) || atomic_read(&ha->loop_down_timer) ||
33135aa2
RA		 1263 (rval == QLA_COMMAND_ERROR && loop_id == 0x7)) {
1264 DEBUG2(printk("%s(%ld) Loop is in a transition state\n",
1265 __func__, ha->host_no));
1266 } else {
1267 qla_printk(KERN_WARNING, ha,
1268 "ERROR -- Unable to get host loop ID.\n");
1269 set_bit(ISP_ABORT_NEEDED, &ha->dpc_flags);
1270 }
1da177e4
LT		 1271 return (rval);
1272 }
1273
1274 if (topo == 4) {
1275 qla_printk(KERN_INFO, ha,
1276 "Cannot get topology - retrying.\n");
1277 return (QLA_FUNCTION_FAILED);
1278 }
1279
1280 ha->loop_id = loop_id;
1281
1282 /* initialize */
1283 ha->min_external_loopid = SNS_FIRST_LOOP_ID;
1284 ha->operating_mode = LOOP;
1285
1286 switch (topo) {
1287 case 0:
1288 DEBUG3(printk("scsi(%ld): HBA in NL topology.\n",
1289 ha->host_no));
1290 ha->current_topology = ISP_CFG_NL;
1291 strcpy(connect_type, "(Loop)");
1292 break;
1293
1294 case 1:
1295 DEBUG3(printk("scsi(%ld): HBA in FL topology.\n",
1296 ha->host_no));
1297 ha->current_topology = ISP_CFG_FL;
1298 strcpy(connect_type, "(FL_Port)");
1299 break;
1300
1301 case 2:
1302 DEBUG3(printk("scsi(%ld): HBA in N P2P topology.\n",
1303 ha->host_no));
1304 ha->operating_mode = P2P;
1305 ha->current_topology = ISP_CFG_N;
1306 strcpy(connect_type, "(N_Port-to-N_Port)");
1307 break;
1308
1309 case 3:
1310 DEBUG3(printk("scsi(%ld): HBA in F P2P topology.\n",
1311 ha->host_no));
1312 ha->operating_mode = P2P;
1313 ha->current_topology = ISP_CFG_F;
1314 strcpy(connect_type, "(F_Port)");
1315 break;
1316
1317 default:
1318 DEBUG3(printk("scsi(%ld): HBA in unknown topology %x. "
1319 "Using NL.\n",
1320 ha->host_no, topo));
1321 ha->current_topology = ISP_CFG_NL;
1322 strcpy(connect_type, "(Loop)");
1323 break;
1324 }
1325
1326 /* Save Host port and loop ID. */
1327 /* byte order - Big Endian */
1328 ha->d_id.b.domain = domain;
1329 ha->d_id.b.area = area;
1330 ha->d_id.b.al_pa = al_pa;
1331
1332 if (!ha->flags.init_done)
1333 qla_printk(KERN_INFO, ha,
1334 "Topology - %s, Host Loop address 0x%x\n",
1335 connect_type, ha->loop_id);
1336
1337 if (rval) {
1338 DEBUG2_3(printk("scsi(%ld): FAILED.\n", ha->host_no));
1339 } else {
1340 DEBUG3(printk("scsi(%ld): exiting normally.\n", ha->host_no));
1341 }
1342
1343 return(rval);
1344}
1345
1346/*
1347* NVRAM configuration for ISP 2xxx
1348*
1349* Input:
1350* ha = adapter block pointer.
1351*
1352* Output:
1353* initialization control block in response_ring
1354* host adapters parameters in host adapter block
1355*
1356* Returns:
1357* 0 = success.
1358*/
abbd8870 1359int
1da177e4
LT		 1360qla2x00_nvram_config(scsi_qla_host_t *ha)
1361{
0107109e
AV		 1362 int rval;
1363 uint8_t chksum = 0;
1364 uint16_t cnt;
1365 uint8_t *dptr1, *dptr2;
1366 init_cb_t *icb = ha->init_cb;
1367 nvram_t *nv = (nvram_t *)ha->request_ring;
1368 uint8_t *ptr = (uint8_t *)ha->request_ring;
3d71644c 1369 struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
1da177e4
LT		 1370
1371 rval = QLA_SUCCESS;
1372
1373 /* Determine NVRAM starting address. */
0107109e 1374 ha->nvram_size = sizeof(nvram_t);
1da177e4
LT		 1375 ha->nvram_base = 0;
1376 if (!IS_QLA2100(ha) && !IS_QLA2200(ha) && !IS_QLA2300(ha))
1377 if ((RD_REG_WORD(&reg->ctrl_status) >> 14) == 1)
1378 ha->nvram_base = 0x80;
1379
1380 /* Get NVRAM data and calculate checksum. */
0107109e
AV		 1381 ha->isp_ops.read_nvram(ha, ptr, ha->nvram_base, ha->nvram_size);
1382 for (cnt = 0, chksum = 0; cnt < ha->nvram_size; cnt++)
1383 chksum += *ptr++;
1da177e4
LT		 1384
1385 DEBUG5(printk("scsi(%ld): Contents of NVRAM\n", ha->host_no));
1386 DEBUG5(qla2x00_dump_buffer((uint8_t *)ha->request_ring,
0107109e 1387 ha->nvram_size));
1da177e4
LT		 1388
1389 /* Bad NVRAM data, set defaults parameters. */
1390 if (chksum || nv->id[0] != 'I' || nv->id[1] != 'S' ||
1391 nv->id[2] != 'P' || nv->id[3] != ' ' || nv->nvram_version < 1) {
1392 /* Reset NVRAM data. */
1393 qla_printk(KERN_WARNING, ha, "Inconsistent NVRAM detected: "
1394 "checksum=0x%x id=%c version=0x%x.\n", chksum, nv->id[0],
1395 nv->nvram_version);
1396 qla_printk(KERN_WARNING, ha, "Falling back to functioning (yet "
1397 "invalid -- WWPN) defaults.\n");
1398
1399 /*
1400 * Set default initialization control block.
1401 */
0107109e 1402 memset(nv, 0, ha->nvram_size);
1da177e4
LT		 1403 nv->parameter_block_version = ICB_VERSION;
1404
1405 if (IS_QLA23XX(ha)) {
1406 nv->firmware_options[0] = BIT_2 | BIT_1;
1407 nv->firmware_options[1] = BIT_7 | BIT_5;
1408 nv->add_firmware_options[0] = BIT_5;
1409 nv->add_firmware_options[1] = BIT_5 | BIT_4;
1410 nv->frame_payload_size = __constant_cpu_to_le16(2048);
1411 nv->special_options[1] = BIT_7;
1412 } else if (IS_QLA2200(ha)) {
1413 nv->firmware_options[0] = BIT_2 | BIT_1;
1414 nv->firmware_options[1] = BIT_7 | BIT_5;
1415 nv->add_firmware_options[0] = BIT_5;
1416 nv->add_firmware_options[1] = BIT_5 | BIT_4;
1417 nv->frame_payload_size = __constant_cpu_to_le16(1024);
1418 } else if (IS_QLA2100(ha)) {
1419 nv->firmware_options[0] = BIT_3 | BIT_1;
1420 nv->firmware_options[1] = BIT_5;
1421 nv->frame_payload_size = __constant_cpu_to_le16(1024);
1422 }
1423
1424 nv->max_iocb_allocation = __constant_cpu_to_le16(256);
1425 nv->execution_throttle = __constant_cpu_to_le16(16);
1426 nv->retry_count = 8;
1427 nv->retry_delay = 1;
1428
1429 nv->port_name[0] = 33;
1430 nv->port_name[3] = 224;
1431 nv->port_name[4] = 139;
1432
1433 nv->login_timeout = 4;
1434
1435 /*
1436 * Set default host adapter parameters
1437 */
1438 nv->host_p[1] = BIT_2;
1439 nv->reset_delay = 5;
1440 nv->port_down_retry_count = 8;
1441 nv->max_luns_per_target = __constant_cpu_to_le16(8);
1442 nv->link_down_timeout = 60;
1443
1444 rval = 1;
1445 }
1446
1447#if defined(CONFIG_IA64_GENERIC) || defined(CONFIG_IA64_SGI_SN2)
1448 /*
1449 * The SN2 does not provide BIOS emulation which means you can't change
1450 * potentially bogus BIOS settings. Force the use of default settings
1451 * for link rate and frame size. Hope that the rest of the settings
1452 * are valid.
1453 */
1454 if (ia64_platform_is("sn2")) {
1455 nv->frame_payload_size = __constant_cpu_to_le16(2048);
1456 if (IS_QLA23XX(ha))
1457 nv->special_options[1] = BIT_7;
1458 }
1459#endif
1460
1461 /* Reset Initialization control block */
0107109e 1462 memset(icb, 0, ha->init_cb_size);
1da177e4
LT		 1463
1464 /*
1465 * Setup driver NVRAM options.
1466 */
1467 nv->firmware_options[0] |= (BIT_6 | BIT_1);
1468 nv->firmware_options[0] &= ~(BIT_5 | BIT_4);
1469 nv->firmware_options[1] |= (BIT_5 | BIT_0);
1470 nv->firmware_options[1] &= ~BIT_4;
1471
1472 if (IS_QLA23XX(ha)) {
1473 nv->firmware_options[0] |= BIT_2;
1474 nv->firmware_options[0] &= ~BIT_3;
0107109e 1475 nv->add_firmware_options[1] |= BIT_5 | BIT_4;
1da177e4
LT		 1476
1477 if (IS_QLA2300(ha)) {
1478 if (ha->fb_rev == FPM_2310) {
1479 strcpy(ha->model_number, "QLA2310");
1480 } else {
1481 strcpy(ha->model_number, "QLA2300");
1482 }
1483 } else {
1484 if (rval == 0 &&
1485 memcmp(nv->model_number, BINZERO,
1486 sizeof(nv->model_number)) != 0) {
1487 char *st, *en;
1488
1489 strncpy(ha->model_number, nv->model_number,
1490 sizeof(nv->model_number));
1491 st = en = ha->model_number;
1492 en += sizeof(nv->model_number) - 1;
1493 while (en > st) {
1494 if (*en != 0x20 && *en != 0x00)
1495 break;
1496 *en-- = '\0';
1497 }
1498 } else {
1499 uint16_t index;
1500
1501 index = (ha->pdev->subsystem_device & 0xff);
1502 if (index < QLA_MODEL_NAMES) {
1503 strcpy(ha->model_number,
1504 qla2x00_model_name[index]);
1505 ha->model_desc =
1506 qla2x00_model_desc[index];
1507 } else {
1508 strcpy(ha->model_number, "QLA23xx");
1509 }
1510 }
1511 }
1512 } else if (IS_QLA2200(ha)) {
1513 nv->firmware_options[0] |= BIT_2;
1514 /*
1515 * 'Point-to-point preferred, else loop' is not a safe
1516 * connection mode setting.
1517 */
1518 if ((nv->add_firmware_options[0] & (BIT_6 | BIT_5 | BIT_4)) ==
1519 (BIT_5 | BIT_4)) {
1520 /* Force 'loop preferred, else point-to-point'. */
1521 nv->add_firmware_options[0] &= ~(BIT_6 | BIT_5 | BIT_4);
1522 nv->add_firmware_options[0] |= BIT_5;
1523 }
1524 strcpy(ha->model_number, "QLA22xx");
1525 } else /*if (IS_QLA2100(ha))*/ {
1526 strcpy(ha->model_number, "QLA2100");
1527 }
1528
1529 /*
1530 * Copy over NVRAM RISC parameter block to initialization control block.
1531 */
1532 dptr1 = (uint8_t *)icb;
1533 dptr2 = (uint8_t *)&nv->parameter_block_version;
1534 cnt = (uint8_t *)&icb->request_q_outpointer - (uint8_t *)&icb->version;
1535 while (cnt--)
1536 *dptr1++ = *dptr2++;
1537
1538 /* Copy 2nd half. */
1539 dptr1 = (uint8_t *)icb->add_firmware_options;
1540 cnt = (uint8_t *)icb->reserved_3 - (uint8_t *)icb->add_firmware_options;
1541 while (cnt--)
1542 *dptr1++ = *dptr2++;
1543
1544 /* Prepare nodename */
1545 if ((icb->firmware_options[1] & BIT_6) == 0) {
1546 /*
1547 * Firmware will apply the following mask if the nodename was
1548 * not provided.
1549 */
1550 memcpy(icb->node_name, icb->port_name, WWN_SIZE);
1551 icb->node_name[0] &= 0xF0;
1552 }
1553
1554 /*
1555 * Set host adapter parameters.
1556 */
1da177e4
LT		 1557 ha->flags.disable_risc_code_load = ((nv->host_p[0] & BIT_4) ? 1 : 0);
1558 /* Always load RISC code on non ISP2[12]00 chips. */
1559 if (!IS_QLA2100(ha) && !IS_QLA2200(ha))
1560 ha->flags.disable_risc_code_load = 0;
1561 ha->flags.enable_lip_reset = ((nv->host_p[1] & BIT_1) ? 1 : 0);
1562 ha->flags.enable_lip_full_login = ((nv->host_p[1] & BIT_2) ? 1 : 0);
1563 ha->flags.enable_target_reset = ((nv->host_p[1] & BIT_3) ? 1 : 0);
06c22bd1 1564 ha->flags.enable_led_scheme = (nv->special_options[1] & BIT_4) ? 1 : 0;
1da177e4
LT		 1565
1566 ha->operating_mode =
1567 (icb->add_firmware_options[0] & (BIT_6 | BIT_5 | BIT_4)) >> 4;
1568
1569 memcpy(ha->fw_seriallink_options, nv->seriallink_options,
1570 sizeof(ha->fw_seriallink_options));
1571
1572 /* save HBA serial number */
1573 ha->serial0 = icb->port_name[5];
1574 ha->serial1 = icb->port_name[6];
1575 ha->serial2 = icb->port_name[7];
3d71644c
AV		 1576 ha->node_name = icb->node_name;
1577 ha->port_name = icb->port_name;
1da177e4
LT		 1578
1579 icb->execution_throttle = __constant_cpu_to_le16(0xFFFF);
1580
1581 ha->retry_count = nv->retry_count;
1582
1583 /* Set minimum login_timeout to 4 seconds. */
1584 if (nv->login_timeout < ql2xlogintimeout)
1585 nv->login_timeout = ql2xlogintimeout;
1586 if (nv->login_timeout < 4)
1587 nv->login_timeout = 4;
1588 ha->login_timeout = nv->login_timeout;
1589 icb->login_timeout = nv->login_timeout;
1590
1591 /* Set minimum RATOV to 200 tenths of a second. */
1592 ha->r_a_tov = 200;
1593
1da177e4
LT		 1594 ha->loop_reset_delay = nv->reset_delay;
1595
1da177e4
LT		 1596 /* Link Down Timeout = 0:
1597 *
1598 * When Port Down timer expires we will start returning
1599 * I/O's to OS with "DID_NO_CONNECT".
1600 *
1601 * Link Down Timeout != 0:
1602 *
1603 * The driver waits for the link to come up after link down
1604 * before returning I/Os to OS with "DID_NO_CONNECT".
fa2a1ce5 1605 */
1da177e4
LT		 1606 if (nv->link_down_timeout == 0) {
1607 ha->loop_down_abort_time =
354d6b21 1608 (LOOP_DOWN_TIME - LOOP_DOWN_TIMEOUT);
1da177e4
LT		 1609 } else {
1610 ha->link_down_timeout = nv->link_down_timeout;
1611 ha->loop_down_abort_time =
1612 (LOOP_DOWN_TIME - ha->link_down_timeout);
fa2a1ce5 1613 }
1da177e4 1614
1da177e4
LT		 1615 /*
1616 * Need enough time to try and get the port back.
1617 */
1618 ha->port_down_retry_count = nv->port_down_retry_count;
1619 if (qlport_down_retry)
1620 ha->port_down_retry_count = qlport_down_retry;
1621 /* Set login_retry_count */
1622 ha->login_retry_count = nv->retry_count;
1623 if (ha->port_down_retry_count == nv->port_down_retry_count &&
1624 ha->port_down_retry_count > 3)
1625 ha->login_retry_count = ha->port_down_retry_count;
1626 else if (ha->port_down_retry_count > (int)ha->login_retry_count)
1627 ha->login_retry_count = ha->port_down_retry_count;
1628 if (ql2xloginretrycount)
1629 ha->login_retry_count = ql2xloginretrycount;
1630
1da177e4
LT		 1631 icb->lun_enables = __constant_cpu_to_le16(0);
1632 icb->command_resource_count = 0;
1633 icb->immediate_notify_resource_count = 0;
1634 icb->timeout = __constant_cpu_to_le16(0);
1635
1636 if (IS_QLA2100(ha) || IS_QLA2200(ha)) {
1637 /* Enable RIO */
1638 icb->firmware_options[0] &= ~BIT_3;
1639 icb->add_firmware_options[0] &=
1640 ~(BIT_3 | BIT_2 | BIT_1 | BIT_0);
1641 icb->add_firmware_options[0] |= BIT_2;
1642 icb->response_accumulation_timer = 3;
1643 icb->interrupt_delay_timer = 5;
1644
1645 ha->flags.process_response_queue = 1;
1646 } else {
4fdfefe5
AV		 1647 /* Enable ZIO. */
1648 if (!ha->flags.init_done) {
1649 ha->zio_mode = icb->add_firmware_options[0] &
1650 (BIT_3 | BIT_2 | BIT_1 | BIT_0);
1651 ha->zio_timer = icb->interrupt_delay_timer ?
1652 icb->interrupt_delay_timer: 2;
1653 }
1da177e4
LT		 1654 icb->add_firmware_options[0] &=
1655 ~(BIT_3 | BIT_2 | BIT_1 | BIT_0);
4fdfefe5
AV		 1656 ha->flags.process_response_queue = 0;
1657 if (ha->zio_mode != QLA_ZIO_DISABLED) {
1658 DEBUG2(printk("scsi(%ld): ZIO mode %d enabled; timer "
1659 "delay (%d us).\n", ha->host_no, ha->zio_mode,
1660 ha->zio_timer * 100));
1da177e4 1661 qla_printk(KERN_INFO, ha,
4fdfefe5
AV		 1662 "ZIO mode %d enabled; timer delay (%d us).\n",
1663 ha->zio_mode, ha->zio_timer * 100);
1da177e4 1664
4fdfefe5
AV		 1665 icb->add_firmware_options[0] |= (uint8_t)ha->zio_mode;
1666 icb->interrupt_delay_timer = (uint8_t)ha->zio_timer;
1da177e4
LT		 1667 ha->flags.process_response_queue = 1;
1668 }
1669 }
1670
1671 if (rval) {
1672 DEBUG2_3(printk(KERN_WARNING
1673 "scsi(%ld): NVRAM configuration failed!\n", ha->host_no));
1674 }
1675 return (rval);
1676}
1677
19a7b4ae
JSEC		 1678static void
1679qla2x00_rport_add(void *data)
1680{
1681 fc_port_t *fcport = data;
1682
1683 qla2x00_reg_remote_port(fcport->ha, fcport);
1684}
1685
1686static void
1687qla2x00_rport_del(void *data)
1688{
1689 fc_port_t *fcport = data;
d97994dc
AV		 1690 struct fc_rport *rport;
1691 unsigned long flags;
1692
1693 spin_lock_irqsave(&fcport->rport_lock, flags);
1694 rport = fcport->drport;
1695 fcport->drport = NULL;
1696 spin_unlock_irqrestore(&fcport->rport_lock, flags);
1697 if (rport)
1698 fc_remote_port_delete(rport);
19a7b4ae 1699
19a7b4ae
JSEC		 1700}
1701
1da177e4
LT		 1702/**
1703 * qla2x00_alloc_fcport() - Allocate a generic fcport.
1704 * @ha: HA context
1705 * @flags: allocation flags
1706 *
1707 * Returns a pointer to the allocated fcport, or NULL, if none available.
1708 */
1709fc_port_t *
c53033f6 1710qla2x00_alloc_fcport(scsi_qla_host_t *ha, gfp_t flags)
1da177e4
LT		 1711{
1712 fc_port_t *fcport;
1713
1714 fcport = kmalloc(sizeof(fc_port_t), flags);
1715 if (fcport == NULL)
1716 return (fcport);
1717
1718 /* Setup fcport template structure. */
1719 memset(fcport, 0, sizeof (fc_port_t));
1720 fcport->ha = ha;
1721 fcport->port_type = FCT_UNKNOWN;
1722 fcport->loop_id = FC_NO_LOOP_ID;
1723 fcport->iodesc_idx_sent = IODESC_INVALID_INDEX;
1724 atomic_set(&fcport->state, FCS_UNCONFIGURED);
1725 fcport->flags = FCF_RLC_SUPPORT;
ad3e0eda 1726 fcport->supported_classes = FC_COS_UNSPECIFIED;
d97994dc 1727 spin_lock_init(&fcport->rport_lock);
19a7b4ae
JSEC		 1728 INIT_WORK(&fcport->rport_add_work, qla2x00_rport_add, fcport);
1729 INIT_WORK(&fcport->rport_del_work, qla2x00_rport_del, fcport);
1da177e4
LT		 1730
1731 return (fcport);
1732}
1733
1734/*
1735 * qla2x00_configure_loop
1736 * Updates Fibre Channel Device Database with what is actually on loop.
1737 *
1738 * Input:
1739 * ha = adapter block pointer.
1740 *
1741 * Returns:
1742 * 0 = success.
1743 * 1 = error.
1744 * 2 = database was full and device was not configured.
1745 */
1746static int
fa2a1ce5 1747qla2x00_configure_loop(scsi_qla_host_t *ha)
1da177e4
LT		 1748{
1749 int rval;
1750 unsigned long flags, save_flags;
1751
1752 rval = QLA_SUCCESS;
1753
1754 /* Get Initiator ID */
1755 if (test_bit(LOCAL_LOOP_UPDATE, &ha->dpc_flags)) {
1756 rval = qla2x00_configure_hba(ha);
1757 if (rval != QLA_SUCCESS) {
1758 DEBUG(printk("scsi(%ld): Unable to configure HBA.\n",
1759 ha->host_no));
1760 return (rval);
1761 }
1762 }
1763
1764 save_flags = flags = ha->dpc_flags;
1765 DEBUG(printk("scsi(%ld): Configure loop -- dpc flags =0x%lx\n",
1766 ha->host_no, flags));
1767
1768 /*
1769 * If we have both an RSCN and PORT UPDATE pending then handle them
1770 * both at the same time.
1771 */
1772 clear_bit(LOCAL_LOOP_UPDATE, &ha->dpc_flags);
1773 clear_bit(RSCN_UPDATE, &ha->dpc_flags);
1da177e4
LT		 1774
1775 /* Determine what we need to do */
1776 if (ha->current_topology == ISP_CFG_FL &&
1777 (test_bit(LOCAL_LOOP_UPDATE, &flags))) {
1778
1779 ha->flags.rscn_queue_overflow = 1;
1780 set_bit(RSCN_UPDATE, &flags);
1781
1782 } else if (ha->current_topology == ISP_CFG_F &&
1783 (test_bit(LOCAL_LOOP_UPDATE, &flags))) {
1784
1785 ha->flags.rscn_queue_overflow = 1;
1786 set_bit(RSCN_UPDATE, &flags);
1787 clear_bit(LOCAL_LOOP_UPDATE, &flags);
1788
1789 } else if (!ha->flags.online ||
1790 (test_bit(ABORT_ISP_ACTIVE, &flags))) {
1791
1792 ha->flags.rscn_queue_overflow = 1;
1793 set_bit(RSCN_UPDATE, &flags);
1794 set_bit(LOCAL_LOOP_UPDATE, &flags);
1795 }
1796
1797 if (test_bit(LOCAL_LOOP_UPDATE, &flags)) {
1798 if (test_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags)) {
1799 rval = QLA_FUNCTION_FAILED;
1800 } else {
1801 rval = qla2x00_configure_local_loop(ha);
1802 }
1803 }
1804
1805 if (rval == QLA_SUCCESS && test_bit(RSCN_UPDATE, &flags)) {
23443b1d 1806 if (LOOP_TRANSITION(ha)) {
1da177e4
LT		 1807 rval = QLA_FUNCTION_FAILED;
1808 } else {
1809 rval = qla2x00_configure_fabric(ha);
1810 }
1811 }
1812
1813 if (rval == QLA_SUCCESS) {
1814 if (atomic_read(&ha->loop_down_timer) ||
1815 test_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags)) {
1816 rval = QLA_FUNCTION_FAILED;
1817 } else {
1da177e4
LT		 1818 atomic_set(&ha->loop_state, LOOP_READY);
1819
1820 DEBUG(printk("scsi(%ld): LOOP READY\n", ha->host_no));
1821 }
1822 }
1823
1824 if (rval) {
1825 DEBUG2_3(printk("%s(%ld): *** FAILED ***\n",
1826 __func__, ha->host_no));
1827 } else {
1828 DEBUG3(printk("%s: exiting normally\n", __func__));
1829 }
1830
1831 /* Restore state if a resync event occured during processing */
1832 if (test_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags)) {
1833 if (test_bit(LOCAL_LOOP_UPDATE, &save_flags))
1834 set_bit(LOCAL_LOOP_UPDATE, &ha->dpc_flags);
1835 if (test_bit(RSCN_UPDATE, &save_flags))
1836 set_bit(RSCN_UPDATE, &ha->dpc_flags);
1837 }
1838
1839 return (rval);
1840}
1841
1842
1843
1844/*
1845 * qla2x00_configure_local_loop
1846 * Updates Fibre Channel Device Database with local loop devices.
1847 *
1848 * Input:
1849 * ha = adapter block pointer.
1850 *
1851 * Returns:
1852 * 0 = success.
1853 */
1854static int
fa2a1ce5 1855qla2x00_configure_local_loop(scsi_qla_host_t *ha)
1da177e4
LT		 1856{
1857 int rval, rval2;
1858 int found_devs;
1859 int found;
1860 fc_port_t *fcport, *new_fcport;
1861
1862 uint16_t index;
1863 uint16_t entries;
1864 char *id_iter;
1865 uint16_t loop_id;
1866 uint8_t domain, area, al_pa;
1867
1868 found_devs = 0;
1869 new_fcport = NULL;
1870 entries = MAX_FIBRE_DEVICES;
1871
1872 DEBUG3(printk("scsi(%ld): Getting FCAL position map\n", ha->host_no));
1873 DEBUG3(qla2x00_get_fcal_position_map(ha, NULL));
1874
1875 /* Get list of logged in devices. */
1876 memset(ha->gid_list, 0, GID_LIST_SIZE);
1877 rval = qla2x00_get_id_list(ha, ha->gid_list, ha->gid_list_dma,
1878 &entries);
1879 if (rval != QLA_SUCCESS)
1880 goto cleanup_allocation;
1881
1882 DEBUG3(printk("scsi(%ld): Entries in ID list (%d)\n",
1883 ha->host_no, entries));
1884 DEBUG3(qla2x00_dump_buffer((uint8_t *)ha->gid_list,
1885 entries * sizeof(struct gid_list_info)));
1886
1887 /* Allocate temporary fcport for any new fcports discovered. */
1888 new_fcport = qla2x00_alloc_fcport(ha, GFP_KERNEL);
1889 if (new_fcport == NULL) {
1890 rval = QLA_MEMORY_ALLOC_FAILED;
1891 goto cleanup_allocation;
1892 }
1893 new_fcport->flags &= ~FCF_FABRIC_DEVICE;
1894
1895 /*
1896 * Mark local devices that were present with FCF_DEVICE_LOST for now.
1897 */
1898 list_for_each_entry(fcport, &ha->fcports, list) {
1899 if (atomic_read(&fcport->state) == FCS_ONLINE &&
1900 fcport->port_type != FCT_BROADCAST &&
1901 (fcport->flags & FCF_FABRIC_DEVICE) == 0) {
1902
1903 DEBUG(printk("scsi(%ld): Marking port lost, "
1904 "loop_id=0x%04x\n",
1905 ha->host_no, fcport->loop_id));
1906
1907 atomic_set(&fcport->state, FCS_DEVICE_LOST);
1908 fcport->flags &= ~FCF_FARP_DONE;
1909 }
1910 }
1911
1912 /* Add devices to port list. */
1913 id_iter = (char *)ha->gid_list;
1914 for (index = 0; index < entries; index++) {
1915 domain = ((struct gid_list_info *)id_iter)->domain;
1916 area = ((struct gid_list_info *)id_iter)->area;
1917 al_pa = ((struct gid_list_info *)id_iter)->al_pa;
abbd8870 1918 if (IS_QLA2100(ha) || IS_QLA2200(ha))
1da177e4
LT		 1919 loop_id = (uint16_t)
1920 ((struct gid_list_info *)id_iter)->loop_id_2100;
abbd8870 1921 else
1da177e4
LT		 1922 loop_id = le16_to_cpu(
1923 ((struct gid_list_info *)id_iter)->loop_id);
abbd8870 1924 id_iter += ha->gid_list_info_size;
1da177e4
LT		 1925
1926 /* Bypass reserved domain fields. */
1927 if ((domain & 0xf0) == 0xf0)
1928 continue;
1929
1930 /* Bypass if not same domain and area of adapter. */
f7d289f6
AV		 1931 if (area && domain &&
1932 (area != ha->d_id.b.area || domain != ha->d_id.b.domain))
1da177e4
LT		 1933 continue;
1934
1935 /* Bypass invalid local loop ID. */
1936 if (loop_id > LAST_LOCAL_LOOP_ID)
1937 continue;
1938
1939 /* Fill in member data. */
1940 new_fcport->d_id.b.domain = domain;
1941 new_fcport->d_id.b.area = area;
1942 new_fcport->d_id.b.al_pa = al_pa;
1943 new_fcport->loop_id = loop_id;
1944 rval2 = qla2x00_get_port_database(ha, new_fcport, 0);
1945 if (rval2 != QLA_SUCCESS) {
1946 DEBUG2(printk("scsi(%ld): Failed to retrieve fcport "
1947 "information -- get_port_database=%x, "
1948 "loop_id=0x%04x\n",
1949 ha->host_no, rval2, new_fcport->loop_id));
c9d02acf
AV		 1950 DEBUG2(printk("scsi(%ld): Scheduling resync...\n",
1951 ha->host_no));
1952 set_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags);
1da177e4
LT		 1953 continue;
1954 }
1955
1956 /* Check for matching device in port list. */
1957 found = 0;
1958 fcport = NULL;
1959 list_for_each_entry(fcport, &ha->fcports, list) {
1960 if (memcmp(new_fcport->port_name, fcport->port_name,
1961 WWN_SIZE))
1962 continue;
1963
1964 fcport->flags &= ~(FCF_FABRIC_DEVICE |
1965 FCF_PERSISTENT_BOUND);
1966 fcport->loop_id = new_fcport->loop_id;
1967 fcport->port_type = new_fcport->port_type;
1968 fcport->d_id.b24 = new_fcport->d_id.b24;
1969 memcpy(fcport->node_name, new_fcport->node_name,
1970 WWN_SIZE);
1971
1972 found++;
1973 break;
1974 }
1975
1976 if (!found) {
1977 /* New device, add to fcports list. */
1978 new_fcport->flags &= ~FCF_PERSISTENT_BOUND;
1979 list_add_tail(&new_fcport->list, &ha->fcports);
1980
1981 /* Allocate a new replacement fcport. */
1982 fcport = new_fcport;
1983 new_fcport = qla2x00_alloc_fcport(ha, GFP_KERNEL);
1984 if (new_fcport == NULL) {
1985 rval = QLA_MEMORY_ALLOC_FAILED;
1986 goto cleanup_allocation;
1987 }
1988 new_fcport->flags &= ~FCF_FABRIC_DEVICE;
1989 }
1990
1991 qla2x00_update_fcport(ha, fcport);
1992
1993 found_devs++;
1994 }
1995
1996cleanup_allocation:
c9475cb0 1997 kfree(new_fcport);
1da177e4
LT		 1998
1999 if (rval != QLA_SUCCESS) {
2000 DEBUG2(printk("scsi(%ld): Configure local loop error exit: "
2001 "rval=%x\n", ha->host_no, rval));
2002 }
2003
2004 if (found_devs) {
2005 ha->device_flags |= DFLG_LOCAL_DEVICES;
2006 ha->device_flags &= ~DFLG_RETRY_LOCAL_DEVICES;
2007 }
2008
2009 return (rval);
2010}
2011
2012static void
fa2a1ce5 2013qla2x00_probe_for_all_luns(scsi_qla_host_t *ha)
1da177e4
LT		 2014{
2015 fc_port_t *fcport;
2016
d97994dc 2017 qla2x00_mark_all_devices_lost(ha, 0);
1da177e4
LT		 2018 list_for_each_entry(fcport, &ha->fcports, list) {
2019 if (fcport->port_type != FCT_TARGET)
2020 continue;
2021
fa2a1ce5 2022 qla2x00_update_fcport(ha, fcport);
1da177e4
LT		 2023 }
2024}
2025
2026/*
2027 * qla2x00_update_fcport
2028 * Updates device on list.
2029 *
2030 * Input:
2031 * ha = adapter block pointer.
2032 * fcport = port structure pointer.
2033 *
2034 * Return:
2035 * 0 - Success
2036 * BIT_0 - error
2037 *
2038 * Context:
2039 * Kernel context.
2040 */
052c40c8 2041void
1da177e4
LT		 2042qla2x00_update_fcport(scsi_qla_host_t *ha, fc_port_t *fcport)
2043{
1da177e4
LT		 2044 fcport->ha = ha;
2045 fcport->login_retry = 0;
2046 fcport->port_login_retry_count = ha->port_down_retry_count *
2047 PORT_RETRY_TIME;
2048 atomic_set(&fcport->port_down_timer, ha->port_down_retry_count *
2049 PORT_RETRY_TIME);
2050 fcport->flags &= ~FCF_LOGIN_NEEDED;
2051
1da177e4 2052 if (fcport->port_type == FCT_INITIATOR ||
bdf79621 2053 fcport->port_type == FCT_BROADCAST)
1da177e4 2054 fcport->device_type = TYPE_PROCESSOR;
bdf79621 2055
1da177e4 2056 atomic_set(&fcport->state, FCS_ONLINE);
bdf79621 2057
8482e118
AV		 2058 if (ha->flags.init_done)
2059 qla2x00_reg_remote_port(ha, fcport);
1da177e4
LT		 2060}
2061
8482e118
AV		 2062void
2063qla2x00_reg_remote_port(scsi_qla_host_t *ha, fc_port_t *fcport)
2064{
2065 struct fc_rport_identifiers rport_ids;
bdf79621 2066 struct fc_rport *rport;
d97994dc 2067 unsigned long flags;
8482e118 2068
d97994dc
AV		 2069 if (fcport->drport)
2070 qla2x00_rport_del(fcport);
2071 if (fcport->rport)
2072 return;
8482e118 2073
f8b02a85
AV		 2074 rport_ids.node_name = wwn_to_u64(fcport->node_name);
2075 rport_ids.port_name = wwn_to_u64(fcport->port_name);
8482e118
AV		 2076 rport_ids.port_id = fcport->d_id.b.domain << 16 |
2077 fcport->d_id.b.area << 8 | fcport->d_id.b.al_pa;
77d74143 2078 rport_ids.roles = FC_RPORT_ROLE_UNKNOWN;
d97994dc 2079 rport = fc_remote_port_add(ha->host, 0, &rport_ids);
77d74143
AV		 2080 if (!rport) {
2081 qla_printk(KERN_WARNING, ha,
2082 "Unable to allocate fc remote port!\n");
2083 return;
2084 }
d97994dc
AV		 2085 spin_lock_irqsave(&fcport->rport_lock, flags);
2086 fcport->rport = rport;
19a7b4ae 2087 *((fc_port_t **)rport->dd_data) = fcport;
d97994dc
AV		 2088 spin_unlock_irqrestore(&fcport->rport_lock, flags);
2089
ad3e0eda 2090 rport->supported_classes = fcport->supported_classes;
77d74143 2091
8482e118
AV		 2092 rport_ids.roles = FC_RPORT_ROLE_UNKNOWN;
2093 if (fcport->port_type == FCT_INITIATOR)
2094 rport_ids.roles |= FC_RPORT_ROLE_FCP_INITIATOR;
2095 if (fcport->port_type == FCT_TARGET)
2096 rport_ids.roles |= FC_RPORT_ROLE_FCP_TARGET;
77d74143 2097 fc_remote_port_rolechg(rport, rport_ids.roles);
1da177e4 2098
cc4731f5
AV		 2099 if (rport->scsi_target_id != -1 &&
2100 rport->scsi_target_id < ha->host->max_id)
bdf79621 2101 fcport->os_target_id = rport->scsi_target_id;
1da177e4
LT		 2102}
2103
1da177e4
LT		 2104/*
2105 * qla2x00_configure_fabric
2106 * Setup SNS devices with loop ID's.
2107 *
2108 * Input:
2109 * ha = adapter block pointer.
2110 *
2111 * Returns:
2112 * 0 = success.
2113 * BIT_0 = error
2114 */
2115static int
2116qla2x00_configure_fabric(scsi_qla_host_t *ha)
2117{
2118 int rval, rval2;
2119 fc_port_t *fcport, *fcptemp;
2120 uint16_t next_loopid;
2121 uint16_t mb[MAILBOX_REGISTER_COUNT];
0107109e 2122 uint16_t loop_id;
1da177e4
LT		 2123 LIST_HEAD(new_fcports);
2124
2125 /* If FL port exists, then SNS is present */
044cc6c8 2126 if (IS_QLA24XX(ha) || IS_QLA54XX(ha))
0107109e
AV		 2127 loop_id = NPH_F_PORT;
2128 else
2129 loop_id = SNS_FL_PORT;
2130 rval = qla2x00_get_port_name(ha, loop_id, NULL, 0);
1da177e4
LT		 2131 if (rval != QLA_SUCCESS) {
2132 DEBUG2(printk("scsi(%ld): MBC_GET_PORT_NAME Failed, No FL "
2133 "Port\n", ha->host_no));
2134
2135 ha->device_flags &= ~SWITCH_FOUND;
2136 return (QLA_SUCCESS);
2137 }
2138
2139 /* Mark devices that need re-synchronization. */
2140 rval2 = qla2x00_device_resync(ha);
2141 if (rval2 == QLA_RSCNS_HANDLED) {
2142 /* No point doing the scan, just continue. */
2143 return (QLA_SUCCESS);
2144 }
2145 do {
cca5335c
AV		 2146 /* FDMI support. */
2147 if (ql2xfdmienable &&
2148 test_and_clear_bit(REGISTER_FDMI_NEEDED, &ha->dpc_flags))
2149 qla2x00_fdmi_register(ha);
2150
1da177e4 2151 /* Ensure we are logged into the SNS. */
044cc6c8 2152 if (IS_QLA24XX(ha) || IS_QLA54XX(ha))
0107109e
AV		 2153 loop_id = NPH_SNS;
2154 else
2155 loop_id = SIMPLE_NAME_SERVER;
2156 ha->isp_ops.fabric_login(ha, loop_id, 0xff, 0xff,
abbd8870 2157 0xfc, mb, BIT_1 | BIT_0);
1da177e4
LT		 2158 if (mb[0] != MBS_COMMAND_COMPLETE) {
2159 DEBUG2(qla_printk(KERN_INFO, ha,
2160 "Failed SNS login: loop_id=%x mb[0]=%x mb[1]=%x "
0107109e 2161 "mb[2]=%x mb[6]=%x mb[7]=%x\n", loop_id,
1da177e4
LT		 2162 mb[0], mb[1], mb[2], mb[6], mb[7]));
2163 return (QLA_SUCCESS);
2164 }
2165
2166 if (test_and_clear_bit(REGISTER_FC4_NEEDED, &ha->dpc_flags)) {
2167 if (qla2x00_rft_id(ha)) {
2168 /* EMPTY */
2169 DEBUG2(printk("scsi(%ld): Register FC-4 "
2170 "TYPE failed.\n", ha->host_no));
2171 }
2172 if (qla2x00_rff_id(ha)) {
2173 /* EMPTY */
2174 DEBUG2(printk("scsi(%ld): Register FC-4 "
2175 "Features failed.\n", ha->host_no));
2176 }
2177 if (qla2x00_rnn_id(ha)) {
2178 /* EMPTY */
2179 DEBUG2(printk("scsi(%ld): Register Node Name "
2180 "failed.\n", ha->host_no));
2181 } else if (qla2x00_rsnn_nn(ha)) {
2182 /* EMPTY */
2183 DEBUG2(printk("scsi(%ld): Register Symbolic "
2184 "Node Name failed.\n", ha->host_no));
2185 }
2186 }
2187
2188 rval = qla2x00_find_all_fabric_devs(ha, &new_fcports);
2189 if (rval != QLA_SUCCESS)
2190 break;
2191
2192 /*
2193 * Logout all previous fabric devices marked lost, except
2194 * tape devices.
2195 */
2196 list_for_each_entry(fcport, &ha->fcports, list) {
2197 if (test_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags))
2198 break;
2199
2200 if ((fcport->flags & FCF_FABRIC_DEVICE) == 0)
2201 continue;
2202
2203 if (atomic_read(&fcport->state) == FCS_DEVICE_LOST) {
2204 qla2x00_mark_device_lost(ha, fcport,
d97994dc 2205 ql2xplogiabsentdevice, 0);
1da177e4
LT		 2206 if (fcport->loop_id != FC_NO_LOOP_ID &&
2207 (fcport->flags & FCF_TAPE_PRESENT) == 0 &&
2208 fcport->port_type != FCT_INITIATOR &&
2209 fcport->port_type != FCT_BROADCAST) {
abbd8870 2210 ha->isp_ops.fabric_logout(ha,
1c7c6357
AV		 2211 fcport->loop_id,
2212 fcport->d_id.b.domain,
2213 fcport->d_id.b.area,
2214 fcport->d_id.b.al_pa);
1da177e4
LT		 2215 fcport->loop_id = FC_NO_LOOP_ID;
2216 }
2217 }
2218 }
2219
2220 /* Starting free loop ID. */
2221 next_loopid = ha->min_external_loopid;
2222
2223 /*
2224 * Scan through our port list and login entries that need to be
2225 * logged in.
2226 */
2227 list_for_each_entry(fcport, &ha->fcports, list) {
2228 if (atomic_read(&ha->loop_down_timer) ||
2229 test_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags))
2230 break;
2231
2232 if ((fcport->flags & FCF_FABRIC_DEVICE) == 0 ||
2233 (fcport->flags & FCF_LOGIN_NEEDED) == 0)
2234 continue;
2235
2236 if (fcport->loop_id == FC_NO_LOOP_ID) {
2237 fcport->loop_id = next_loopid;
2238 rval = qla2x00_find_new_loop_id(ha, fcport);
2239 if (rval != QLA_SUCCESS) {
2240 /* Ran out of IDs to use */
2241 break;
2242 }
2243 }
1da177e4
LT		 2244 /* Login and update database */
2245 qla2x00_fabric_dev_login(ha, fcport, &next_loopid);
2246 }
2247
2248 /* Exit if out of loop IDs. */
2249 if (rval != QLA_SUCCESS) {
2250 break;
2251 }
2252
2253 /*
2254 * Login and add the new devices to our port list.
2255 */
2256 list_for_each_entry_safe(fcport, fcptemp, &new_fcports, list) {
2257 if (atomic_read(&ha->loop_down_timer) ||
2258 test_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags))
2259 break;
2260
2261 /* Find a new loop ID to use. */
2262 fcport->loop_id = next_loopid;
2263 rval = qla2x00_find_new_loop_id(ha, fcport);
2264 if (rval != QLA_SUCCESS) {
2265 /* Ran out of IDs to use */
2266 break;
2267 }
2268
1da177e4
LT		 2269 /* Remove device from the new list and add it to DB */
2270 list_del(&fcport->list);
2271 list_add_tail(&fcport->list, &ha->fcports);
bdf79621
AV		 2272
2273 /* Login and update database */
2274 qla2x00_fabric_dev_login(ha, fcport, &next_loopid);
1da177e4
LT		 2275 }
2276 } while (0);
2277
2278 /* Free all new device structures not processed. */
2279 list_for_each_entry_safe(fcport, fcptemp, &new_fcports, list) {
2280 list_del(&fcport->list);
2281 kfree(fcport);
2282 }
2283
2284 if (rval) {
2285 DEBUG2(printk("scsi(%ld): Configure fabric error exit: "
2286 "rval=%d\n", ha->host_no, rval));
2287 }
2288
2289 return (rval);
2290}
2291
2292
2293/*
2294 * qla2x00_find_all_fabric_devs
2295 *
2296 * Input:
2297 * ha = adapter block pointer.
2298 * dev = database device entry pointer.
2299 *
2300 * Returns:
2301 * 0 = success.
2302 *
2303 * Context:
2304 * Kernel context.
2305 */
2306static int
2307qla2x00_find_all_fabric_devs(scsi_qla_host_t *ha, struct list_head *new_fcports)
2308{
2309 int rval;
2310 uint16_t loop_id;
2311 fc_port_t *fcport, *new_fcport, *fcptemp;
2312 int found;
2313
2314 sw_info_t *swl;
2315 int swl_idx;
2316 int first_dev, last_dev;
2317 port_id_t wrap, nxt_d_id;
2318
2319 rval = QLA_SUCCESS;
2320
2321 /* Try GID_PT to get device list, else GAN. */
2322 swl = kmalloc(sizeof(sw_info_t) * MAX_FIBRE_DEVICES, GFP_ATOMIC);
2323 if (swl == NULL) {
2324 /*EMPTY*/
2325 DEBUG2(printk("scsi(%ld): GID_PT allocations failed, fallback "
2326 "on GA_NXT\n", ha->host_no));
2327 } else {
2328 memset(swl, 0, sizeof(sw_info_t) * MAX_FIBRE_DEVICES);
2329 if (qla2x00_gid_pt(ha, swl) != QLA_SUCCESS) {
2330 kfree(swl);
2331 swl = NULL;
2332 } else if (qla2x00_gpn_id(ha, swl) != QLA_SUCCESS) {
2333 kfree(swl);
2334 swl = NULL;
2335 } else if (qla2x00_gnn_id(ha, swl) != QLA_SUCCESS) {
2336 kfree(swl);
2337 swl = NULL;
2338 }
2339 }
2340 swl_idx = 0;
2341
2342 /* Allocate temporary fcport for any new fcports discovered. */
2343 new_fcport = qla2x00_alloc_fcport(ha, GFP_KERNEL);
2344 if (new_fcport == NULL) {
c9475cb0 2345 kfree(swl);
1da177e4
LT		 2346 return (QLA_MEMORY_ALLOC_FAILED);
2347 }
2348 new_fcport->flags |= (FCF_FABRIC_DEVICE | FCF_LOGIN_NEEDED);
2349
2350 /* Set start port ID scan at adapter ID. */
2351 first_dev = 1;
2352 last_dev = 0;
2353
2354 /* Starting free loop ID. */
2355 loop_id = ha->min_external_loopid;
1da177e4 2356 for (; loop_id <= ha->last_loop_id; loop_id++) {
3d71644c 2357 if (qla2x00_is_reserved_id(ha, loop_id))
1da177e4
LT		 2358 continue;
2359
23443b1d 2360 if (atomic_read(&ha->loop_down_timer) || LOOP_TRANSITION(ha))
1da177e4
LT		 2361 break;
2362
2363 if (swl != NULL) {
2364 if (last_dev) {
2365 wrap.b24 = new_fcport->d_id.b24;
2366 } else {
2367 new_fcport->d_id.b24 = swl[swl_idx].d_id.b24;
2368 memcpy(new_fcport->node_name,
2369 swl[swl_idx].node_name, WWN_SIZE);
2370 memcpy(new_fcport->port_name,
2371 swl[swl_idx].port_name, WWN_SIZE);
2372
2373 if (swl[swl_idx].d_id.b.rsvd_1 != 0) {
2374 last_dev = 1;
2375 }
2376 swl_idx++;
2377 }
2378 } else {
2379 /* Send GA_NXT to the switch */
2380 rval = qla2x00_ga_nxt(ha, new_fcport);
2381 if (rval != QLA_SUCCESS) {
2382 qla_printk(KERN_WARNING, ha,
2383 "SNS scan failed -- assuming zero-entry "
2384 "result...\n");
2385 list_for_each_entry_safe(fcport, fcptemp,
2386 new_fcports, list) {
2387 list_del(&fcport->list);
2388 kfree(fcport);
2389 }
2390 rval = QLA_SUCCESS;
2391 break;
2392 }
2393 }
2394
2395 /* If wrap on switch device list, exit. */
2396 if (first_dev) {
2397 wrap.b24 = new_fcport->d_id.b24;
2398 first_dev = 0;
2399 } else if (new_fcport->d_id.b24 == wrap.b24) {
2400 DEBUG2(printk("scsi(%ld): device wrap (%02x%02x%02x)\n",
2401 ha->host_no, new_fcport->d_id.b.domain,
2402 new_fcport->d_id.b.area, new_fcport->d_id.b.al_pa));
2403 break;
2404 }
2405
2406 /* Bypass if host adapter. */
2407 if (new_fcport->d_id.b24 == ha->d_id.b24)
2408 continue;
2409
f7d289f6
AV		 2410 /* Bypass if same domain and area of adapter. */
2411 if (((new_fcport->d_id.b24 & 0xffff00) ==
2412 (ha->d_id.b24 & 0xffff00)) && ha->current_topology ==
2413 ISP_CFG_FL)
2414 continue;
2415
1da177e4
LT		 2416 /* Bypass reserved domain fields. */
2417 if ((new_fcport->d_id.b.domain & 0xf0) == 0xf0)
2418 continue;
2419
2420 /* Locate matching device in database. */
2421 found = 0;
2422 list_for_each_entry(fcport, &ha->fcports, list) {
2423 if (memcmp(new_fcport->port_name, fcport->port_name,
2424 WWN_SIZE))
2425 continue;
2426
2427 found++;
2428
2429 /*
2430 * If address the same and state FCS_ONLINE, nothing
2431 * changed.
2432 */
2433 if (fcport->d_id.b24 == new_fcport->d_id.b24 &&
2434 atomic_read(&fcport->state) == FCS_ONLINE) {
2435 break;
2436 }
2437
2438 /*
2439 * If device was not a fabric device before.
2440 */
2441 if ((fcport->flags & FCF_FABRIC_DEVICE) == 0) {
2442 fcport->d_id.b24 = new_fcport->d_id.b24;
2443 fcport->loop_id = FC_NO_LOOP_ID;
2444 fcport->flags |= (FCF_FABRIC_DEVICE |
2445 FCF_LOGIN_NEEDED);
2446 fcport->flags &= ~FCF_PERSISTENT_BOUND;
2447 break;
2448 }
2449
2450 /*
2451 * Port ID changed or device was marked to be updated;
2452 * Log it out if still logged in and mark it for
2453 * relogin later.
2454 */
2455 fcport->d_id.b24 = new_fcport->d_id.b24;
2456 fcport->flags |= FCF_LOGIN_NEEDED;
2457 if (fcport->loop_id != FC_NO_LOOP_ID &&
2458 (fcport->flags & FCF_TAPE_PRESENT) == 0 &&
2459 fcport->port_type != FCT_INITIATOR &&
2460 fcport->port_type != FCT_BROADCAST) {
1c7c6357
AV		 2461 ha->isp_ops.fabric_logout(ha, fcport->loop_id,
2462 fcport->d_id.b.domain, fcport->d_id.b.area,
2463 fcport->d_id.b.al_pa);
1da177e4
LT		 2464 fcport->loop_id = FC_NO_LOOP_ID;
2465 }
2466
2467 break;
2468 }
2469
2470 if (found)
2471 continue;
2472
2473 /* If device was not in our fcports list, then add it. */
2474 list_add_tail(&new_fcport->list, new_fcports);
2475
2476 /* Allocate a new replacement fcport. */
2477 nxt_d_id.b24 = new_fcport->d_id.b24;
2478 new_fcport = qla2x00_alloc_fcport(ha, GFP_KERNEL);
2479 if (new_fcport == NULL) {
c9475cb0 2480 kfree(swl);
1da177e4
LT		 2481 return (QLA_MEMORY_ALLOC_FAILED);
2482 }
2483 new_fcport->flags |= (FCF_FABRIC_DEVICE | FCF_LOGIN_NEEDED);
2484 new_fcport->d_id.b24 = nxt_d_id.b24;
2485 }
2486
c9475cb0
JJ		 2487 kfree(swl);
2488 kfree(new_fcport);
1da177e4
LT		 2489
2490 if (!list_empty(new_fcports))
2491 ha->device_flags |= DFLG_FABRIC_DEVICES;
2492
2493 return (rval);
2494}
2495
2496/*
2497 * qla2x00_find_new_loop_id
2498 * Scan through our port list and find a new usable loop ID.
2499 *
2500 * Input:
2501 * ha: adapter state pointer.
2502 * dev: port structure pointer.
2503 *
2504 * Returns:
2505 * qla2x00 local function return status code.
2506 *
2507 * Context:
2508 * Kernel context.
2509 */
2510int
2511qla2x00_find_new_loop_id(scsi_qla_host_t *ha, fc_port_t *dev)
2512{
2513 int rval;
2514 int found;
2515 fc_port_t *fcport;
2516 uint16_t first_loop_id;
2517
2518 rval = QLA_SUCCESS;
2519
2520 /* Save starting loop ID. */
2521 first_loop_id = dev->loop_id;
2522
2523 for (;;) {
2524 /* Skip loop ID if already used by adapter. */
2525 if (dev->loop_id == ha->loop_id) {
2526 dev->loop_id++;
2527 }
2528
2529 /* Skip reserved loop IDs. */
3d71644c 2530 while (qla2x00_is_reserved_id(ha, dev->loop_id)) {
1da177e4
LT		 2531 dev->loop_id++;
2532 }
2533
2534 /* Reset loop ID if passed the end. */
2535 if (dev->loop_id > ha->last_loop_id) {
2536 /* first loop ID. */
2537 dev->loop_id = ha->min_external_loopid;
2538 }
2539
2540 /* Check for loop ID being already in use. */
2541 found = 0;
2542 fcport = NULL;
2543 list_for_each_entry(fcport, &ha->fcports, list) {
2544 if (fcport->loop_id == dev->loop_id && fcport != dev) {
2545 /* ID possibly in use */
2546 found++;
2547 break;
2548 }
2549 }
2550
2551 /* If not in use then it is free to use. */
2552 if (!found) {
2553 break;
2554 }
2555
2556 /* ID in use. Try next value. */
2557 dev->loop_id++;
2558
2559 /* If wrap around. No free ID to use. */
2560 if (dev->loop_id == first_loop_id) {
2561 dev->loop_id = FC_NO_LOOP_ID;
2562 rval = QLA_FUNCTION_FAILED;
2563 break;
2564 }
2565 }
2566
2567 return (rval);
2568}
2569
2570/*
2571 * qla2x00_device_resync
2572 * Marks devices in the database that needs resynchronization.
2573 *
2574 * Input:
2575 * ha = adapter block pointer.
2576 *
2577 * Context:
2578 * Kernel context.
2579 */
2580static int
fa2a1ce5 2581qla2x00_device_resync(scsi_qla_host_t *ha)
1da177e4
LT		 2582{
2583 int rval;
2584 int rval2;
2585 uint32_t mask;
2586 fc_port_t *fcport;
2587 uint32_t rscn_entry;
2588 uint8_t rscn_out_iter;
2589 uint8_t format;
2590 port_id_t d_id;
2591
2592 rval = QLA_RSCNS_HANDLED;
2593
2594 while (ha->rscn_out_ptr != ha->rscn_in_ptr ||
2595 ha->flags.rscn_queue_overflow) {
2596
2597 rscn_entry = ha->rscn_queue[ha->rscn_out_ptr];
2598 format = MSB(MSW(rscn_entry));
2599 d_id.b.domain = LSB(MSW(rscn_entry));
2600 d_id.b.area = MSB(LSW(rscn_entry));
2601 d_id.b.al_pa = LSB(LSW(rscn_entry));
2602
2603 DEBUG(printk("scsi(%ld): RSCN queue entry[%d] = "
2604 "[%02x/%02x%02x%02x].\n",
2605 ha->host_no, ha->rscn_out_ptr, format, d_id.b.domain,
2606 d_id.b.area, d_id.b.al_pa));
2607
2608 ha->rscn_out_ptr++;
2609 if (ha->rscn_out_ptr == MAX_RSCN_COUNT)
2610 ha->rscn_out_ptr = 0;
2611
2612 /* Skip duplicate entries. */
2613 for (rscn_out_iter = ha->rscn_out_ptr;
2614 !ha->flags.rscn_queue_overflow &&
2615 rscn_out_iter != ha->rscn_in_ptr;
2616 rscn_out_iter = (rscn_out_iter ==
2617 (MAX_RSCN_COUNT - 1)) ? 0: rscn_out_iter + 1) {
2618
2619 if (rscn_entry != ha->rscn_queue[rscn_out_iter])
2620 break;
2621
2622 DEBUG(printk("scsi(%ld): Skipping duplicate RSCN queue "
2623 "entry found at [%d].\n", ha->host_no,
2624 rscn_out_iter));
2625
2626 ha->rscn_out_ptr = rscn_out_iter;
2627 }
2628
2629 /* Queue overflow, set switch default case. */
2630 if (ha->flags.rscn_queue_overflow) {
2631 DEBUG(printk("scsi(%ld): device_resync: rscn "
2632 "overflow.\n", ha->host_no));
2633
2634 format = 3;
2635 ha->flags.rscn_queue_overflow = 0;
2636 }
2637
2638 switch (format) {
2639 case 0:
79f89a42
AV		 2640 if (ql2xprocessrscn &&
2641 !IS_QLA2100(ha) && !IS_QLA2200(ha) &&
1da177e4 2642 !IS_QLA6312(ha) && !IS_QLA6322(ha) &&
044cc6c8 2643 !IS_QLA24XX(ha) && !IS_QLA54XX(ha) &&
1da177e4
LT		 2644 ha->flags.init_done) {
2645 /* Handle port RSCN via asyncronous IOCBs */
2646 rval2 = qla2x00_handle_port_rscn(ha, rscn_entry,
2647 NULL, 0);
2648 if (rval2 == QLA_SUCCESS)
2649 continue;
2650 }
2651 mask = 0xffffff;
2652 break;
2653 case 1:
2654 mask = 0xffff00;
2655 break;
2656 case 2:
2657 mask = 0xff0000;
2658 break;
2659 default:
2660 mask = 0x0;
2661 d_id.b24 = 0;
2662 ha->rscn_out_ptr = ha->rscn_in_ptr;
2663 break;
2664 }
2665
2666 rval = QLA_SUCCESS;
2667
2668 /* Abort any outstanding IO descriptors. */
2669 if (!IS_QLA2100(ha) && !IS_QLA2200(ha))
2670 qla2x00_cancel_io_descriptors(ha);
2671
2672 list_for_each_entry(fcport, &ha->fcports, list) {
2673 if ((fcport->flags & FCF_FABRIC_DEVICE) == 0 ||
2674 (fcport->d_id.b24 & mask) != d_id.b24 ||
2675 fcport->port_type == FCT_BROADCAST)
2676 continue;
2677
2678 if (atomic_read(&fcport->state) == FCS_ONLINE) {
2679 if (format != 3 ||
2680 fcport->port_type != FCT_INITIATOR) {
d97994dc
AV		 2681 qla2x00_mark_device_lost(ha, fcport,
2682 0, 0);
1da177e4
LT		 2683 }
2684 }
2685 fcport->flags &= ~FCF_FARP_DONE;
2686 }
2687 }
2688 return (rval);
2689}
2690
2691/*
2692 * qla2x00_fabric_dev_login
2693 * Login fabric target device and update FC port database.
2694 *
2695 * Input:
2696 * ha: adapter state pointer.
2697 * fcport: port structure list pointer.
2698 * next_loopid: contains value of a new loop ID that can be used
2699 * by the next login attempt.
2700 *
2701 * Returns:
2702 * qla2x00 local function return status code.
2703 *
2704 * Context:
2705 * Kernel context.
2706 */
2707static int
2708qla2x00_fabric_dev_login(scsi_qla_host_t *ha, fc_port_t *fcport,
2709 uint16_t *next_loopid)
2710{
2711 int rval;
2712 int retry;
0107109e 2713 uint8_t opts;
1da177e4
LT		 2714
2715 rval = QLA_SUCCESS;
2716 retry = 0;
2717
2718 rval = qla2x00_fabric_login(ha, fcport, next_loopid);
2719 if (rval == QLA_SUCCESS) {
0107109e
AV		 2720 /* Send an ADISC to tape devices.*/
2721 opts = 0;
2722 if (fcport->flags & FCF_TAPE_PRESENT)
2723 opts |= BIT_1;
2724 rval = qla2x00_get_port_database(ha, fcport, opts);
1da177e4 2725 if (rval != QLA_SUCCESS) {
1c7c6357
AV		 2726 ha->isp_ops.fabric_logout(ha, fcport->loop_id,
2727 fcport->d_id.b.domain, fcport->d_id.b.area,
2728 fcport->d_id.b.al_pa);
d97994dc 2729 qla2x00_mark_device_lost(ha, fcport, 1, 0);
1da177e4
LT		 2730 } else {
2731 qla2x00_update_fcport(ha, fcport);
2732 }
2733 }
2734
2735 return (rval);
2736}
2737
2738/*
2739 * qla2x00_fabric_login
2740 * Issue fabric login command.
2741 *
2742 * Input:
2743 * ha = adapter block pointer.
2744 * device = pointer to FC device type structure.
2745 *
2746 * Returns:
2747 * 0 - Login successfully
2748 * 1 - Login failed
2749 * 2 - Initiator device
2750 * 3 - Fatal error
2751 */
2752int
2753qla2x00_fabric_login(scsi_qla_host_t *ha, fc_port_t *fcport,
2754 uint16_t *next_loopid)
2755{
2756 int rval;
2757 int retry;
2758 uint16_t tmp_loopid;
2759 uint16_t mb[MAILBOX_REGISTER_COUNT];
2760
2761 retry = 0;
2762 tmp_loopid = 0;
2763
2764 for (;;) {
2765 DEBUG(printk("scsi(%ld): Trying Fabric Login w/loop id 0x%04x "
2766 "for port %02x%02x%02x.\n",
2767 ha->host_no, fcport->loop_id, fcport->d_id.b.domain,
2768 fcport->d_id.b.area, fcport->d_id.b.al_pa));
2769
2770 /* Login fcport on switch. */
abbd8870 2771 ha->isp_ops.fabric_login(ha, fcport->loop_id,
1da177e4
LT		 2772 fcport->d_id.b.domain, fcport->d_id.b.area,
2773 fcport->d_id.b.al_pa, mb, BIT_0);
2774 if (mb[0] == MBS_PORT_ID_USED) {
2775 /*
2776 * Device has another loop ID. The firmware team
0107109e
AV		 2777 * recommends the driver perform an implicit login with
2778 * the specified ID again. The ID we just used is save
2779 * here so we return with an ID that can be tried by
2780 * the next login.
1da177e4
LT		 2781 */
2782 retry++;
2783 tmp_loopid = fcport->loop_id;
2784 fcport->loop_id = mb[1];
2785
2786 DEBUG(printk("Fabric Login: port in use - next "
2787 "loop id=0x%04x, port Id=%02x%02x%02x.\n",
2788 fcport->loop_id, fcport->d_id.b.domain,
2789 fcport->d_id.b.area, fcport->d_id.b.al_pa));
2790
2791 } else if (mb[0] == MBS_COMMAND_COMPLETE) {
2792 /*
2793 * Login succeeded.
2794 */
2795 if (retry) {
2796 /* A retry occurred before. */
2797 *next_loopid = tmp_loopid;
2798 } else {
2799 /*
2800 * No retry occurred before. Just increment the
2801 * ID value for next login.
2802 */
2803 *next_loopid = (fcport->loop_id + 1);
2804 }
2805
2806 if (mb[1] & BIT_0) {
2807 fcport->port_type = FCT_INITIATOR;
2808 } else {
2809 fcport->port_type = FCT_TARGET;
2810 if (mb[1] & BIT_1) {
2811 fcport->flags |= FCF_TAPE_PRESENT;
2812 }
2813 }
2814
ad3e0eda
AV		 2815 if (mb[10] & BIT_0)
2816 fcport->supported_classes |= FC_COS_CLASS2;
2817 if (mb[10] & BIT_1)
2818 fcport->supported_classes |= FC_COS_CLASS3;
2819
1da177e4
LT		 2820 rval = QLA_SUCCESS;
2821 break;
2822 } else if (mb[0] == MBS_LOOP_ID_USED) {
2823 /*
2824 * Loop ID already used, try next loop ID.
2825 */
2826 fcport->loop_id++;
2827 rval = qla2x00_find_new_loop_id(ha, fcport);
2828 if (rval != QLA_SUCCESS) {
2829 /* Ran out of loop IDs to use */
2830 break;
2831 }
2832 } else if (mb[0] == MBS_COMMAND_ERROR) {
2833 /*
2834 * Firmware possibly timed out during login. If NO
2835 * retries are left to do then the device is declared
2836 * dead.
2837 */
2838 *next_loopid = fcport->loop_id;
1c7c6357
AV		 2839 ha->isp_ops.fabric_logout(ha, fcport->loop_id,
2840 fcport->d_id.b.domain, fcport->d_id.b.area,
2841 fcport->d_id.b.al_pa);
d97994dc 2842 qla2x00_mark_device_lost(ha, fcport, 1, 0);
1da177e4
LT		 2843
2844 rval = 1;
2845 break;
2846 } else {
2847 /*
2848 * unrecoverable / not handled error
2849 */
2850 DEBUG2(printk("%s(%ld): failed=%x port_id=%02x%02x%02x "
fa2a1ce5
AV		 2851 "loop_id=%x jiffies=%lx.\n",
2852 __func__, ha->host_no, mb[0],
1da177e4
LT		 2853 fcport->d_id.b.domain, fcport->d_id.b.area,
2854 fcport->d_id.b.al_pa, fcport->loop_id, jiffies));
2855
2856 *next_loopid = fcport->loop_id;
1c7c6357
AV		 2857 ha->isp_ops.fabric_logout(ha, fcport->loop_id,
2858 fcport->d_id.b.domain, fcport->d_id.b.area,
2859 fcport->d_id.b.al_pa);
1da177e4 2860 fcport->loop_id = FC_NO_LOOP_ID;
0eedfcf0 2861 fcport->login_retry = 0;
1da177e4
LT		 2862
2863 rval = 3;
2864 break;
2865 }
2866 }
2867
2868 return (rval);
2869}
2870
2871/*
2872 * qla2x00_local_device_login
2873 * Issue local device login command.
2874 *
2875 * Input:
2876 * ha = adapter block pointer.
2877 * loop_id = loop id of device to login to.
2878 *
2879 * Returns (Where's the #define!!!!):
2880 * 0 - Login successfully
2881 * 1 - Login failed
2882 * 3 - Fatal error
2883 */
2884int
2885qla2x00_local_device_login(scsi_qla_host_t *ha, uint16_t loop_id)
2886{
2887 int rval;
2888 uint16_t mb[MAILBOX_REGISTER_COUNT];
2889
2890 memset(mb, 0, sizeof(mb));
2891 rval = qla2x00_login_local_device(ha, loop_id, mb, BIT_0);
2892 if (rval == QLA_SUCCESS) {
2893 /* Interrogate mailbox registers for any errors */
2894 if (mb[0] == MBS_COMMAND_ERROR)
2895 rval = 1;
2896 else if (mb[0] == MBS_COMMAND_PARAMETER_ERROR)
2897 /* device not in PCB table */
2898 rval = 3;
2899 }
2900
2901 return (rval);
2902}
2903
2904/*
2905 * qla2x00_loop_resync
2906 * Resync with fibre channel devices.
2907 *
2908 * Input:
2909 * ha = adapter block pointer.
2910 *
2911 * Returns:
2912 * 0 = success
2913 */
2914int
fa2a1ce5 2915qla2x00_loop_resync(scsi_qla_host_t *ha)
1da177e4
LT		 2916{
2917 int rval;
2918 uint32_t wait_time;
2919
2920 rval = QLA_SUCCESS;
2921
2922 atomic_set(&ha->loop_state, LOOP_UPDATE);
1da177e4
LT		 2923 clear_bit(ISP_ABORT_RETRY, &ha->dpc_flags);
2924 if (ha->flags.online) {
2925 if (!(rval = qla2x00_fw_ready(ha))) {
2926 /* Wait at most MAX_TARGET RSCNs for a stable link. */
2927 wait_time = 256;
2928 do {
1da177e4
LT		 2929 atomic_set(&ha->loop_state, LOOP_UPDATE);
2930
0107109e
AV		 2931 /* Issue a marker after FW becomes ready. */
2932 qla2x00_marker(ha, 0, 0, MK_SYNC_ALL);
2933 ha->marker_needed = 0;
1da177e4
LT		 2934
2935 /* Remap devices on Loop. */
2936 clear_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags);
2937
2938 qla2x00_configure_loop(ha);
2939 wait_time--;
2940 } while (!atomic_read(&ha->loop_down_timer) &&
2941 !(test_bit(ISP_ABORT_NEEDED, &ha->dpc_flags)) &&
2942 wait_time &&
2943 (test_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags)));
2944 }
1da177e4
LT		 2945 }
2946
2947 if (test_bit(ISP_ABORT_NEEDED, &ha->dpc_flags)) {
2948 return (QLA_FUNCTION_FAILED);
2949 }
2950
2951 if (rval) {
2952 DEBUG2_3(printk("%s(): **** FAILED ****\n", __func__));
2953 }
2954
2955 return (rval);
2956}
2957
1da177e4
LT		 2958void
2959qla2x00_rescan_fcports(scsi_qla_host_t *ha)
2960{
2961 int rescan_done;
2962 fc_port_t *fcport;
2963
2964 rescan_done = 0;
2965 list_for_each_entry(fcport, &ha->fcports, list) {
2966 if ((fcport->flags & FCF_RESCAN_NEEDED) == 0)
2967 continue;
2968
2969 qla2x00_update_fcport(ha, fcport);
2970 fcport->flags &= ~FCF_RESCAN_NEEDED;
2971
2972 rescan_done = 1;
2973 }
fa2a1ce5 2974 qla2x00_probe_for_all_luns(ha);
1da177e4
LT		 2975}
2976
d97994dc
AV		 2977void
2978qla2x00_update_fcports(scsi_qla_host_t *ha)
2979{
2980 fc_port_t *fcport;
2981
2982 /* Go with deferred removal of rport references. */
2983 list_for_each_entry(fcport, &ha->fcports, list)
2984 if (fcport->drport)
2985 qla2x00_rport_del(fcport);
2986}
2987
1da177e4
LT		 2988/*
2989* qla2x00_abort_isp
2990* Resets ISP and aborts all outstanding commands.
2991*
2992* Input:
2993* ha = adapter block pointer.
2994*
2995* Returns:
2996* 0 = success
2997*/
2998int
2999qla2x00_abort_isp(scsi_qla_host_t *ha)
3000{
3001 unsigned long flags = 0;
3002 uint16_t cnt;
3003 srb_t *sp;
3004 uint8_t status = 0;
3005
3006 if (ha->flags.online) {
3007 ha->flags.online = 0;
3008 clear_bit(ISP_ABORT_NEEDED, &ha->dpc_flags);
1da177e4
LT		 3009
3010 qla_printk(KERN_INFO, ha,
3011 "Performing ISP error recovery - ha= %p.\n", ha);
abbd8870 3012 ha->isp_ops.reset_chip(ha);
1da177e4
LT		 3013
3014 atomic_set(&ha->loop_down_timer, LOOP_DOWN_TIME);
3015 if (atomic_read(&ha->loop_state) != LOOP_DOWN) {
3016 atomic_set(&ha->loop_state, LOOP_DOWN);
d97994dc 3017 qla2x00_mark_all_devices_lost(ha, 0);
1da177e4
LT		 3018 } else {
3019 if (!atomic_read(&ha->loop_down_timer))
3020 atomic_set(&ha->loop_down_timer,
3021 LOOP_DOWN_TIME);
3022 }
3023
3024 spin_lock_irqsave(&ha->hardware_lock, flags);
3025 /* Requeue all commands in outstanding command list. */
3026 for (cnt = 1; cnt < MAX_OUTSTANDING_COMMANDS; cnt++) {
3027 sp = ha->outstanding_cmds[cnt];
3028 if (sp) {
3029 ha->outstanding_cmds[cnt] = NULL;
1da177e4 3030 sp->flags = 0;
f4f051eb 3031 sp->cmd->result = DID_RESET << 16;
1da177e4 3032 sp->cmd->host_scribble = (unsigned char *)NULL;
f4f051eb 3033 qla2x00_sp_compl(ha, sp);
1da177e4
LT		 3034 }
3035 }
3036 spin_unlock_irqrestore(&ha->hardware_lock, flags);
3037
abbd8870 3038 ha->isp_ops.nvram_config(ha);
1da177e4
LT		 3039
3040 if (!qla2x00_restart_isp(ha)) {
3041 clear_bit(RESET_MARKER_NEEDED, &ha->dpc_flags);
3042
3043 if (!atomic_read(&ha->loop_down_timer)) {
3044 /*
3045 * Issue marker command only when we are going
3046 * to start the I/O .
3047 */
3048 ha->marker_needed = 1;
3049 }
3050
3051 ha->flags.online = 1;
3052
abbd8870 3053 ha->isp_ops.enable_intrs(ha);
1da177e4 3054
fa2a1ce5 3055 ha->isp_abort_cnt = 0;
1da177e4
LT		 3056 clear_bit(ISP_ABORT_RETRY, &ha->dpc_flags);
3057 } else { /* failed the ISP abort */
3058 ha->flags.online = 1;
3059 if (test_bit(ISP_ABORT_RETRY, &ha->dpc_flags)) {
3060 if (ha->isp_abort_cnt == 0) {
3061 qla_printk(KERN_WARNING, ha,
3062 "ISP error recovery failed - "
3063 "board disabled\n");
fa2a1ce5 3064 /*
1da177e4
LT		 3065 * The next call disables the board
3066 * completely.
3067 */
abbd8870 3068 ha->isp_ops.reset_adapter(ha);
1da177e4
LT		 3069 ha->flags.online = 0;
3070 clear_bit(ISP_ABORT_RETRY,
3071 &ha->dpc_flags);
3072 status = 0;
3073 } else { /* schedule another ISP abort */
3074 ha->isp_abort_cnt--;
3075 DEBUG(printk("qla%ld: ISP abort - "
0107109e 3076 "retry remaining %d\n",
1da177e4
LT		 3077 ha->host_no, ha->isp_abort_cnt);)
3078 status = 1;
3079 }
3080 } else {
3081 ha->isp_abort_cnt = MAX_RETRIES_OF_ISP_ABORT;
3082 DEBUG(printk("qla2x00(%ld): ISP error recovery "
3083 "- retrying (%d) more times\n",
3084 ha->host_no, ha->isp_abort_cnt);)
3085 set_bit(ISP_ABORT_RETRY, &ha->dpc_flags);
3086 status = 1;
3087 }
3088 }
fa2a1ce5 3089
1da177e4
LT		 3090 }
3091
3092 if (status) {
3093 qla_printk(KERN_INFO, ha,
3094 "qla2x00_abort_isp: **** FAILED ****\n");
3095 } else {
3096 DEBUG(printk(KERN_INFO
3097 "qla2x00_abort_isp(%ld): exiting.\n",
3098 ha->host_no);)
3099 }
3100
3101 return(status);
3102}
3103
3104/*
3105* qla2x00_restart_isp
3106* restarts the ISP after a reset
3107*
3108* Input:
3109* ha = adapter block pointer.
3110*
3111* Returns:
3112* 0 = success
3113*/
3114static int
3115qla2x00_restart_isp(scsi_qla_host_t *ha)
3116{
3117 uint8_t status = 0;
3d71644c 3118 struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
1da177e4
LT		 3119 unsigned long flags = 0;
3120 uint32_t wait_time;
3121
3122 /* If firmware needs to be loaded */
3123 if (qla2x00_isp_firmware(ha)) {
3124 ha->flags.online = 0;
abbd8870 3125 if (!(status = ha->isp_ops.chip_diag(ha))) {
1da177e4
LT		 3126 if (IS_QLA2100(ha) || IS_QLA2200(ha)) {
3127 status = qla2x00_setup_chip(ha);
3128 goto done;
3129 }
3130
1da177e4
LT		 3131 spin_lock_irqsave(&ha->hardware_lock, flags);
3132
044cc6c8 3133 if (!IS_QLA24XX(ha) && !IS_QLA54XX(ha)) {
0107109e
AV		 3134 /*
3135 * Disable SRAM, Instruction RAM and GP RAM
3136 * parity.
3137 */
3138 WRT_REG_WORD(&reg->hccr,
3139 (HCCR_ENABLE_PARITY + 0x0));
3140 RD_REG_WORD(&reg->hccr);
3141 }
1da177e4
LT		 3142
3143 spin_unlock_irqrestore(&ha->hardware_lock, flags);
fa2a1ce5 3144
1da177e4
LT		 3145 status = qla2x00_setup_chip(ha);
3146
3147 spin_lock_irqsave(&ha->hardware_lock, flags);
fa2a1ce5 3148
044cc6c8 3149 if (!IS_QLA24XX(ha) && !IS_QLA54XX(ha)) {
0107109e
AV		 3150 /* Enable proper parity */
3151 if (IS_QLA2300(ha))
3152 /* SRAM parity */
3153 WRT_REG_WORD(&reg->hccr,
3154 (HCCR_ENABLE_PARITY + 0x1));
3155 else
3156 /*
3157 * SRAM, Instruction RAM and GP RAM
3158 * parity.
3159 */
3160 WRT_REG_WORD(&reg->hccr,
3161 (HCCR_ENABLE_PARITY + 0x7));
3162 RD_REG_WORD(&reg->hccr);
3163 }
1da177e4
LT		 3164
3165 spin_unlock_irqrestore(&ha->hardware_lock, flags);
3166 }
3167 }
3168
3169 done:
3170 if (!status && !(status = qla2x00_init_rings(ha))) {
3171 clear_bit(RESET_MARKER_NEEDED, &ha->dpc_flags);
3172 if (!(status = qla2x00_fw_ready(ha))) {
3173 DEBUG(printk("%s(): Start configure loop, "
0107109e
AV		 3174 "status = %d\n", __func__, status);)
3175
3176 /* Issue a marker after FW becomes ready. */
3177 qla2x00_marker(ha, 0, 0, MK_SYNC_ALL);
3178
1da177e4
LT		 3179 ha->flags.online = 1;
3180 /* Wait at most MAX_TARGET RSCNs for a stable link. */
3181 wait_time = 256;
3182 do {
3183 clear_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags);
3184 qla2x00_configure_loop(ha);
3185 wait_time--;
3186 } while (!atomic_read(&ha->loop_down_timer) &&
3187 !(test_bit(ISP_ABORT_NEEDED, &ha->dpc_flags)) &&
3188 wait_time &&
3189 (test_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags)));
3190 }
3191
3192 /* if no cable then assume it's good */
fa2a1ce5 3193 if ((ha->device_flags & DFLG_NO_CABLE))
1da177e4
LT		 3194 status = 0;
3195
3196 DEBUG(printk("%s(): Configure loop done, status = 0x%x\n",
3197 __func__,
3198 status);)
3199 }
3200 return (status);
3201}
3202
3203/*
3204* qla2x00_reset_adapter
3205* Reset adapter.
3206*
3207* Input:
3208* ha = adapter block pointer.
3209*/
abbd8870 3210void
1da177e4
LT		 3211qla2x00_reset_adapter(scsi_qla_host_t *ha)
3212{
3213 unsigned long flags = 0;
3d71644c 3214 struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
1da177e4
LT		 3215
3216 ha->flags.online = 0;
abbd8870 3217 ha->isp_ops.disable_intrs(ha);
1da177e4 3218
1da177e4
LT		 3219 spin_lock_irqsave(&ha->hardware_lock, flags);
3220 WRT_REG_WORD(&reg->hccr, HCCR_RESET_RISC);
3221 RD_REG_WORD(&reg->hccr); /* PCI Posting. */
3222 WRT_REG_WORD(&reg->hccr, HCCR_RELEASE_RISC);
3223 RD_REG_WORD(&reg->hccr); /* PCI Posting. */
3224 spin_unlock_irqrestore(&ha->hardware_lock, flags);
3225}
0107109e
AV		 3226
3227void
3228qla24xx_reset_adapter(scsi_qla_host_t *ha)
3229{
3230 unsigned long flags = 0;
3231 struct device_reg_24xx __iomem *reg = &ha->iobase->isp24;
3232
3233 ha->flags.online = 0;
3234 ha->isp_ops.disable_intrs(ha);
3235
3236 spin_lock_irqsave(&ha->hardware_lock, flags);
3237 WRT_REG_DWORD(&reg->hccr, HCCRX_SET_RISC_RESET);
3238 RD_REG_DWORD(&reg->hccr);
3239 WRT_REG_DWORD(&reg->hccr, HCCRX_REL_RISC_PAUSE);
3240 RD_REG_DWORD(&reg->hccr);
3241 spin_unlock_irqrestore(&ha->hardware_lock, flags);
3242}
3243
3244int
3245qla24xx_nvram_config(scsi_qla_host_t *ha)
3246{
3247 int rval;
3248 struct init_cb_24xx *icb;
3249 struct nvram_24xx *nv;
3250 uint32_t *dptr;
3251 uint8_t *dptr1, *dptr2;
3252 uint32_t chksum;
3253 uint16_t cnt;
3254
3255 rval = QLA_SUCCESS;
3256 icb = (struct init_cb_24xx *)ha->init_cb;
3257 nv = (struct nvram_24xx *)ha->request_ring;
3258
3259 /* Determine NVRAM starting address. */
3260 ha->nvram_size = sizeof(struct nvram_24xx);
3261 ha->nvram_base = FA_NVRAM_FUNC0_ADDR;
3262 if (PCI_FUNC(ha->pdev->devfn))
3263 ha->nvram_base = FA_NVRAM_FUNC1_ADDR;
3264
3265 /* Get NVRAM data and calculate checksum. */
3266 dptr = (uint32_t *)nv;
3267 ha->isp_ops.read_nvram(ha, (uint8_t *)dptr, ha->nvram_base,
3268 ha->nvram_size);
3269 for (cnt = 0, chksum = 0; cnt < ha->nvram_size >> 2; cnt++)
3270 chksum += le32_to_cpu(*dptr++);
3271
3272 DEBUG5(printk("scsi(%ld): Contents of NVRAM\n", ha->host_no));
3273 DEBUG5(qla2x00_dump_buffer((uint8_t *)ha->request_ring,
3274 ha->nvram_size));
3275
3276 /* Bad NVRAM data, set defaults parameters. */
3277 if (chksum || nv->id[0] != 'I' || nv->id[1] != 'S' || nv->id[2] != 'P'
3278 || nv->id[3] != ' ' ||
3279 nv->nvram_version < __constant_cpu_to_le16(ICB_VERSION)) {
3280 /* Reset NVRAM data. */
3281 qla_printk(KERN_WARNING, ha, "Inconsistent NVRAM detected: "
3282 "checksum=0x%x id=%c version=0x%x.\n", chksum, nv->id[0],
3283 le16_to_cpu(nv->nvram_version));
3284 qla_printk(KERN_WARNING, ha, "Falling back to functioning (yet "
3285 "invalid -- WWPN) defaults.\n");
3286
3287 /*
3288 * Set default initialization control block.
3289 */
3290 memset(nv, 0, ha->nvram_size);
3291 nv->nvram_version = __constant_cpu_to_le16(ICB_VERSION);
3292 nv->version = __constant_cpu_to_le16(ICB_VERSION);
3293 nv->frame_payload_size = __constant_cpu_to_le16(2048);
3294 nv->execution_throttle = __constant_cpu_to_le16(0xFFFF);
3295 nv->exchange_count = __constant_cpu_to_le16(0);
3296 nv->hard_address = __constant_cpu_to_le16(124);
3297 nv->port_name[0] = 0x21;
3298 nv->port_name[1] = 0x00 + PCI_FUNC(ha->pdev->devfn);
3299 nv->port_name[2] = 0x00;
3300 nv->port_name[3] = 0xe0;
3301 nv->port_name[4] = 0x8b;
3302 nv->port_name[5] = 0x1c;
3303 nv->port_name[6] = 0x55;
3304 nv->port_name[7] = 0x86;
3305 nv->node_name[0] = 0x20;
3306 nv->node_name[1] = 0x00;
3307 nv->node_name[2] = 0x00;
3308 nv->node_name[3] = 0xe0;
3309 nv->node_name[4] = 0x8b;
3310 nv->node_name[5] = 0x1c;
3311 nv->node_name[6] = 0x55;
3312 nv->node_name[7] = 0x86;
3313 nv->login_retry_count = __constant_cpu_to_le16(8);
3314 nv->link_down_timeout = __constant_cpu_to_le16(200);
3315 nv->interrupt_delay_timer = __constant_cpu_to_le16(0);
3316 nv->login_timeout = __constant_cpu_to_le16(0);
3317 nv->firmware_options_1 =
3318 __constant_cpu_to_le32(BIT_14|BIT_13|BIT_2|BIT_1);
3319 nv->firmware_options_2 = __constant_cpu_to_le32(2 << 4);
3320 nv->firmware_options_2 |= __constant_cpu_to_le32(BIT_12);
3321 nv->firmware_options_3 = __constant_cpu_to_le32(2 << 13);
3322 nv->host_p = __constant_cpu_to_le32(BIT_11|BIT_10);
3323 nv->efi_parameters = __constant_cpu_to_le32(0);
3324 nv->reset_delay = 5;
3325 nv->max_luns_per_target = __constant_cpu_to_le16(128);
3326 nv->port_down_retry_count = __constant_cpu_to_le16(30);
3327 nv->link_down_timeout = __constant_cpu_to_le16(30);
3328
3329 rval = 1;
3330 }
3331
3332 /* Reset Initialization control block */
3333 memset(icb, 0, sizeof(struct init_cb_24xx));
3334
3335 /* Copy 1st segment. */
3336 dptr1 = (uint8_t *)icb;
3337 dptr2 = (uint8_t *)&nv->version;
3338 cnt = (uint8_t *)&icb->response_q_inpointer - (uint8_t *)&icb->version;
3339 while (cnt--)
3340 *dptr1++ = *dptr2++;
3341
3342 icb->login_retry_count = nv->login_retry_count;
3343 icb->link_down_timeout = nv->link_down_timeout;
3344
3345 /* Copy 2nd segment. */
3346 dptr1 = (uint8_t *)&icb->interrupt_delay_timer;
3347 dptr2 = (uint8_t *)&nv->interrupt_delay_timer;
3348 cnt = (uint8_t *)&icb->reserved_3 -
3349 (uint8_t *)&icb->interrupt_delay_timer;
3350 while (cnt--)
3351 *dptr1++ = *dptr2++;
3352
3353 /*
3354 * Setup driver NVRAM options.
3355 */
3356 if (memcmp(nv->model_name, BINZERO, sizeof(nv->model_name)) != 0) {
3357 char *st, *en;
3358 uint16_t index;
3359
3360 strncpy(ha->model_number, nv->model_name,
3361 sizeof(nv->model_name));
3362 st = en = ha->model_number;
3363 en += sizeof(nv->model_name) - 1;
3364 while (en > st) {
3365 if (*en != 0x20 && *en != 0x00)
3366 break;
3367 *en-- = '\0';
3368 }
3369
3370 index = (ha->pdev->subsystem_device & 0xff);
3371 if (index < QLA_MODEL_NAMES)
3372 ha->model_desc = qla2x00_model_desc[index];
3373 } else
3374 strcpy(ha->model_number, "QLA2462");
3375
3376 /* Prepare nodename */
3377 if ((icb->firmware_options_1 & BIT_14) == 0) {
3378 /*
3379 * Firmware will apply the following mask if the nodename was
3380 * not provided.
3381 */
3382 memcpy(icb->node_name, icb->port_name, WWN_SIZE);
3383 icb->node_name[0] &= 0xF0;
3384 }
3385
3386 /* Set host adapter parameters. */
3387 ha->flags.disable_risc_code_load = 0;
3388 ha->flags.enable_lip_reset = 1;
3389 ha->flags.enable_lip_full_login = 1;
3390 ha->flags.enable_target_reset = 1;
3391 ha->flags.enable_led_scheme = 0;
3392
3393 ha->operating_mode =
3394 (icb->firmware_options_2 & (BIT_6 | BIT_5 | BIT_4)) >> 4;
3395
3396 memcpy(ha->fw_seriallink_options24, nv->seriallink_options,
3397 sizeof(ha->fw_seriallink_options24));
3398
3399 /* save HBA serial number */
3400 ha->serial0 = icb->port_name[5];
3401 ha->serial1 = icb->port_name[6];
3402 ha->serial2 = icb->port_name[7];
3403 ha->node_name = icb->node_name;
3404 ha->port_name = icb->port_name;
3405
bc8fb3cb
AV		 3406 icb->execution_throttle = __constant_cpu_to_le16(0xFFFF);
3407
0107109e
AV		 3408 ha->retry_count = le16_to_cpu(nv->login_retry_count);
3409
3410 /* Set minimum login_timeout to 4 seconds. */
3411 if (le16_to_cpu(nv->login_timeout) < ql2xlogintimeout)
3412 nv->login_timeout = cpu_to_le16(ql2xlogintimeout);
3413 if (le16_to_cpu(nv->login_timeout) < 4)
3414 nv->login_timeout = __constant_cpu_to_le16(4);
3415 ha->login_timeout = le16_to_cpu(nv->login_timeout);
3416 icb->login_timeout = cpu_to_le16(nv->login_timeout);
3417
3418 /* Set minimum RATOV to 200 tenths of a second. */
3419 ha->r_a_tov = 200;
3420
3421 ha->loop_reset_delay = nv->reset_delay;
3422
3423 /* Link Down Timeout = 0:
3424 *
3425 * When Port Down timer expires we will start returning
3426 * I/O's to OS with "DID_NO_CONNECT".
3427 *
3428 * Link Down Timeout != 0:
3429 *
3430 * The driver waits for the link to come up after link down
3431 * before returning I/Os to OS with "DID_NO_CONNECT".
3432 */
3433 if (le16_to_cpu(nv->link_down_timeout) == 0) {
3434 ha->loop_down_abort_time =
3435 (LOOP_DOWN_TIME - LOOP_DOWN_TIMEOUT);
3436 } else {
3437 ha->link_down_timeout = le16_to_cpu(nv->link_down_timeout);
3438 ha->loop_down_abort_time =
3439 (LOOP_DOWN_TIME - ha->link_down_timeout);
3440 }
3441
3442 /* Need enough time to try and get the port back. */
3443 ha->port_down_retry_count = le16_to_cpu(nv->port_down_retry_count);
3444 if (qlport_down_retry)
3445 ha->port_down_retry_count = qlport_down_retry;
3446
3447 /* Set login_retry_count */
3448 ha->login_retry_count = le16_to_cpu(nv->login_retry_count);
3449 if (ha->port_down_retry_count ==
3450 le16_to_cpu(nv->port_down_retry_count) &&
3451 ha->port_down_retry_count > 3)
3452 ha->login_retry_count = ha->port_down_retry_count;
3453 else if (ha->port_down_retry_count > (int)ha->login_retry_count)
3454 ha->login_retry_count = ha->port_down_retry_count;
3455 if (ql2xloginretrycount)
3456 ha->login_retry_count = ql2xloginretrycount;
3457
4fdfefe5
AV		 3458 /* Enable ZIO. */
3459 if (!ha->flags.init_done) {
3460 ha->zio_mode = le32_to_cpu(icb->firmware_options_2) &
3461 (BIT_3 | BIT_2 | BIT_1 | BIT_0);
3462 ha->zio_timer = le16_to_cpu(icb->interrupt_delay_timer) ?
3463 le16_to_cpu(icb->interrupt_delay_timer): 2;
3464 }
3465 icb->firmware_options_2 &= __constant_cpu_to_le32(
3466 ~(BIT_3 | BIT_2 | BIT_1 | BIT_0));
3467 ha->flags.process_response_queue = 0;
3468 if (ha->zio_mode != QLA_ZIO_DISABLED) {
3469 DEBUG2(printk("scsi(%ld): ZIO mode %d enabled; timer delay "
3470 "(%d us).\n", ha->host_no, ha->zio_mode,
3471 ha->zio_timer * 100));
3472 qla_printk(KERN_INFO, ha,
3473 "ZIO mode %d enabled; timer delay (%d us).\n",
3474 ha->zio_mode, ha->zio_timer * 100);
3475
3476 icb->firmware_options_2 |= cpu_to_le32(
3477 (uint32_t)ha->zio_mode);
3478 icb->interrupt_delay_timer = cpu_to_le16(ha->zio_timer);
3479 ha->flags.process_response_queue = 1;
3480 }
3481
0107109e
AV		 3482 if (rval) {
3483 DEBUG2_3(printk(KERN_WARNING
3484 "scsi(%ld): NVRAM configuration failed!\n", ha->host_no));
3485 }
3486 return (rval);
3487}
3488
5433383e
AV		 3489#if defined(CONFIG_SCSI_QLA2XXX_EMBEDDED_FIRMWARE)
3490
0107109e
AV		 3491int
3492qla2x00_load_risc(scsi_qla_host_t *ha, uint32_t *srisc_addr)
3493{
5433383e
AV		 3494 int rval, num, i;
3495 uint32_t cnt;
3496 uint16_t *risc_code;
3497 uint32_t risc_addr, risc_size;
3498 uint16_t *req_ring;
0107109e
AV		 3499 struct qla_fw_info *fw_iter;
3500
3501 rval = QLA_SUCCESS;
3502
3503 /* Load firmware sequences */
3504 fw_iter = ha->brd_info->fw_info;
3505 *srisc_addr = *ha->brd_info->fw_info->fwstart;
3506 while (fw_iter->addressing != FW_INFO_ADDR_NOMORE) {
3507 risc_code = fw_iter->fwcode;
5433383e
AV		 3508 risc_size = *fw_iter->fwlen;
3509 if (fw_iter->addressing == FW_INFO_ADDR_NORMAL)
3510 risc_addr = *fw_iter->fwstart;
3511 else
3512 risc_addr = *fw_iter->lfwstart;
0107109e
AV		 3513
3514 num = 0;
3515 rval = 0;
5433383e 3516 while (risc_size > 0 && !rval) {
0107109e 3517 cnt = (uint16_t)(ha->fw_transfer_size >> 1);
5433383e
AV		 3518 if (cnt > risc_size)
3519 cnt = risc_size;
0107109e
AV		 3520
3521 DEBUG7(printk("scsi(%ld): Loading risc segment@ "
3522 "addr %p, number of bytes 0x%x, offset 0x%lx.\n",
5433383e 3523 ha->host_no, risc_code, cnt, risc_addr));
0107109e
AV		 3524
3525 req_ring = (uint16_t *)ha->request_ring;
3526 for (i = 0; i < cnt; i++)
3527 req_ring[i] = cpu_to_le16(risc_code[i]);
3528
5433383e
AV		 3529 rval = qla2x00_load_ram(ha, ha->request_dma, risc_addr,
3530 cnt);
0107109e
AV		 3531 if (rval) {
3532 DEBUG(printk("scsi(%ld): [ERROR] Failed to "
3533 "load segment %d of firmware\n",
3534 ha->host_no, num));
3535 qla_printk(KERN_WARNING, ha,
3536 "[ERROR] Failed to load segment %d of "
3537 "firmware\n", num);
3538
3539 qla2x00_dump_regs(ha);
3540 break;
3541 }
3542
3543 risc_code += cnt;
5433383e
AV		 3544 risc_addr += cnt;
3545 risc_size -= cnt;
0107109e
AV		 3546 num++;
3547 }
3548
3549 /* Next firmware sequence */
3550 fw_iter++;
3551 }
5433383e 3552 return rval;
0107109e
AV		 3553}
3554
331e3476
AV		 3555int
3556qla24xx_load_risc(scsi_qla_host_t *ha, uint32_t *srisc_addr)
3557{
3558 int rval, num, i;
3559 uint32_t cnt;
3560 uint32_t *risc_code;
3561 uint32_t risc_addr, risc_size;
3562 uint32_t *req_ring;
3563 struct qla_fw_info *fw_iter;
3564
3565 rval = QLA_SUCCESS;
3566
3567 /* Load firmware sequences */
3568 fw_iter = ha->brd_info->fw_info;
3569 *srisc_addr = *((uint32_t *)fw_iter->lfwstart);
3570 while (fw_iter->addressing != FW_INFO_ADDR_NOMORE) {
3571 risc_code = (uint32_t *)fw_iter->fwcode;
3572 risc_size = *((uint32_t *)fw_iter->fwlen);
3573 risc_addr = *((uint32_t *)fw_iter->lfwstart);
3574
3575 num = 0;
3576 rval = 0;
3577 while (risc_size > 0 && !rval) {
3578 cnt = (uint32_t)(ha->fw_transfer_size >> 2);
3579 if (cnt > risc_size)
3580 cnt = risc_size;
3581
3582 DEBUG7(printk("scsi(%ld): Loading risc segment@ "
3583 "addr %p, number of bytes 0x%x, offset 0x%lx.\n",
3584 ha->host_no, risc_code, cnt, risc_addr));
3585
3586 req_ring = (uint32_t *)ha->request_ring;
3587 for (i = 0; i < cnt; i++)
3588 req_ring[i] = cpu_to_le32(risc_code[i]);
3589
3590 rval = qla2x00_load_ram(ha, ha->request_dma, risc_addr,
3591 cnt);
3592 if (rval) {
3593 DEBUG(printk("scsi(%ld): [ERROR] Failed to "
3594 "load segment %d of firmware\n",
3595 ha->host_no, num));
3596 qla_printk(KERN_WARNING, ha,
3597 "[ERROR] Failed to load segment %d of "
3598 "firmware\n", num);
3599
3600 qla2x00_dump_regs(ha);
3601 break;
3602 }
3603
3604 risc_code += cnt;
3605 risc_addr += cnt;
3606 risc_size -= cnt;
3607 num++;
3608 }
3609
3610 /* Next firmware sequence */
3611 fw_iter++;
3612 }
3613 return rval;
3614}
3615
0107109e
AV		 3616int
3617qla24xx_load_risc_flash(scsi_qla_host_t *ha, uint32_t *srisc_addr)
3618{
3619 int rval;
3620 int segments, fragment;
3621 uint32_t faddr;
3622 uint32_t *dcode, dlen;
3623 uint32_t risc_addr;
3624 uint32_t risc_size;
3625 uint32_t i;
3626
3627 rval = QLA_SUCCESS;
3628
3629 segments = FA_RISC_CODE_SEGMENTS;
3630 faddr = FA_RISC_CODE_ADDR;
3631 dcode = (uint32_t *)ha->request_ring;
3632 *srisc_addr = 0;
3633
3634 /* Validate firmware image by checking version. */
3635 qla24xx_read_flash_data(ha, dcode, faddr + 4, 4);
3636 for (i = 0; i < 4; i++)
3637 dcode[i] = be32_to_cpu(dcode[i]);
3638 if ((dcode[0] == 0xffffffff && dcode[1] == 0xffffffff &&
3639 dcode[2] == 0xffffffff && dcode[3] == 0xffffffff) ||
3640 (dcode[0] == 0 && dcode[1] == 0 && dcode[2] == 0 &&
3641 dcode[3] == 0)) {
3642 qla_printk(KERN_WARNING, ha,
3643 "Unable to verify integrity of flash firmware image!\n");
3644 qla_printk(KERN_WARNING, ha,
3645 "Firmware data: %08x %08x %08x %08x!\n", dcode[0],
3646 dcode[1], dcode[2], dcode[3]);
3647
3648 return QLA_FUNCTION_FAILED;
3649 }
3650
3651 while (segments && rval == QLA_SUCCESS) {
3652 /* Read segment's load information. */
3653 qla24xx_read_flash_data(ha, dcode, faddr, 4);
3654
3655 risc_addr = be32_to_cpu(dcode[2]);
3656 *srisc_addr = *srisc_addr == 0 ? risc_addr : *srisc_addr;
3657 risc_size = be32_to_cpu(dcode[3]);
3658
3659 fragment = 0;
3660 while (risc_size > 0 && rval == QLA_SUCCESS) {
3661 dlen = (uint32_t)(ha->fw_transfer_size >> 2);
3662 if (dlen > risc_size)
3663 dlen = risc_size;
3664
3665 DEBUG7(printk("scsi(%ld): Loading risc segment@ risc "
3666 "addr %x, number of dwords 0x%x, offset 0x%x.\n",
3667 ha->host_no, risc_addr, dlen, faddr));
3668
3669 qla24xx_read_flash_data(ha, dcode, faddr, dlen);
3670 for (i = 0; i < dlen; i++)
3671 dcode[i] = swab32(dcode[i]);
3672
590f98e5
AV		 3673 rval = qla2x00_load_ram(ha, ha->request_dma, risc_addr,
3674 dlen);
0107109e
AV		 3675 if (rval) {
3676 DEBUG(printk("scsi(%ld):[ERROR] Failed to load "
3677 "segment %d of firmware\n", ha->host_no,
3678 fragment));
3679 qla_printk(KERN_WARNING, ha,
3680 "[ERROR] Failed to load segment %d of "
3681 "firmware\n", fragment);
3682 break;
3683 }
3684
3685 faddr += dlen;
3686 risc_addr += dlen;
3687 risc_size -= dlen;
3688 fragment++;
3689 }
3690
3691 /* Next segment. */
3692 segments--;
3693 }
3694
3695 return rval;
3696}
3697
5433383e
AV		 3698#else /* !defined(CONFIG_SCSI_QLA2XXX_EMBEDDED_FIRMWARE) */
3699
0107109e 3700int
5433383e
AV		 3701qla2x00_load_risc(scsi_qla_host_t *ha, uint32_t *srisc_addr)
3702{
3703 int rval;
3704 int i, fragment;
3705 uint16_t *wcode, *fwcode;
3706 uint32_t risc_addr, risc_size, fwclen, wlen, *seg;
3707 struct fw_blob *blob;
3708
3709 /* Load firmware blob. */
3710 blob = qla2x00_request_firmware(ha);
3711 if (!blob) {
3712 qla_printk(KERN_ERR, ha, "Firmware image unavailable.\n");
3713 return QLA_FUNCTION_FAILED;
3714 }
3715
3716 rval = QLA_SUCCESS;
3717
3718 wcode = (uint16_t *)ha->request_ring;
3719 *srisc_addr = 0;
3720 fwcode = (uint16_t *)blob->fw->data;
3721 fwclen = 0;
3722
3723 /* Validate firmware image by checking version. */
3724 if (blob->fw->size < 8 * sizeof(uint16_t)) {
3725 qla_printk(KERN_WARNING, ha,
3726 "Unable to verify integrity of firmware image (%Zd)!\n",
3727 blob->fw->size);
3728 goto fail_fw_integrity;
3729 }
3730 for (i = 0; i < 4; i++)
3731 wcode[i] = be16_to_cpu(fwcode[i + 4]);
3732 if ((wcode[0] == 0xffff && wcode[1] == 0xffff && wcode[2] == 0xffff &&
3733 wcode[3] == 0xffff) || (wcode[0] == 0 && wcode[1] == 0 &&
3734 wcode[2] == 0 && wcode[3] == 0)) {
3735 qla_printk(KERN_WARNING, ha,
3736 "Unable to verify integrity of firmware image!\n");
3737 qla_printk(KERN_WARNING, ha,
3738 "Firmware data: %04x %04x %04x %04x!\n", wcode[0],
3739 wcode[1], wcode[2], wcode[3]);
3740 goto fail_fw_integrity;
3741 }
3742
3743 seg = blob->segs;
3744 while (*seg && rval == QLA_SUCCESS) {
3745 risc_addr = *seg;
3746 *srisc_addr = *srisc_addr == 0 ? *seg : *srisc_addr;
3747 risc_size = be16_to_cpu(fwcode[3]);
3748
3749 /* Validate firmware image size. */
3750 fwclen += risc_size * sizeof(uint16_t);
3751 if (blob->fw->size < fwclen) {
3752 qla_printk(KERN_WARNING, ha,
3753 "Unable to verify integrity of firmware image "
3754 "(%Zd)!\n", blob->fw->size);
3755 goto fail_fw_integrity;
3756 }
3757
3758 fragment = 0;
3759 while (risc_size > 0 && rval == QLA_SUCCESS) {
3760 wlen = (uint16_t)(ha->fw_transfer_size >> 1);
3761 if (wlen > risc_size)
3762 wlen = risc_size;
3763
3764 DEBUG7(printk("scsi(%ld): Loading risc segment@ risc "
3765 "addr %x, number of words 0x%x.\n", ha->host_no,
3766 risc_addr, wlen));
3767
3768 for (i = 0; i < wlen; i++)
3769 wcode[i] = swab16(fwcode[i]);
3770
3771 rval = qla2x00_load_ram(ha, ha->request_dma, risc_addr,
3772 wlen);
3773 if (rval) {
3774 DEBUG(printk("scsi(%ld):[ERROR] Failed to load "
3775 "segment %d of firmware\n", ha->host_no,
3776 fragment));
3777 qla_printk(KERN_WARNING, ha,
3778 "[ERROR] Failed to load segment %d of "
3779 "firmware\n", fragment);
3780 break;
3781 }
3782
3783 fwcode += wlen;
3784 risc_addr += wlen;
3785 risc_size -= wlen;
3786 fragment++;
3787 }
3788
3789 /* Next segment. */
3790 seg++;
3791 }
3792 return rval;
3793
3794fail_fw_integrity:
3795 return QLA_FUNCTION_FAILED;
3796}
3797
3798int
3799qla24xx_load_risc(scsi_qla_host_t *ha, uint32_t *srisc_addr)
0107109e
AV		 3800{
3801 int rval;
3802 int segments, fragment;
3803 uint32_t *dcode, dlen;
3804 uint32_t risc_addr;
3805 uint32_t risc_size;
3806 uint32_t i;
5433383e 3807 struct fw_blob *blob;
0107109e
AV		 3808 uint32_t *fwcode, fwclen;
3809
5433383e
AV		 3810 /* Load firmware blob. */
3811 blob = qla2x00_request_firmware(ha);
3812 if (!blob) {
3813 qla_printk(KERN_ERR, ha, "Firmware image unavailable.\n");
0107109e
AV		 3814 return QLA_FUNCTION_FAILED;
3815 }
3816
3817 rval = QLA_SUCCESS;
3818
3819 segments = FA_RISC_CODE_SEGMENTS;
3820 dcode = (uint32_t *)ha->request_ring;
3821 *srisc_addr = 0;
5433383e 3822 fwcode = (uint32_t *)blob->fw->data;
0107109e
AV		 3823 fwclen = 0;
3824
3825 /* Validate firmware image by checking version. */
5433383e 3826 if (blob->fw->size < 8 * sizeof(uint32_t)) {
0107109e 3827 qla_printk(KERN_WARNING, ha,
5433383e
AV		 3828 "Unable to verify integrity of firmware image (%Zd)!\n",
3829 blob->fw->size);
0107109e
AV		 3830 goto fail_fw_integrity;
3831 }
3832 for (i = 0; i < 4; i++)
3833 dcode[i] = be32_to_cpu(fwcode[i + 4]);
3834 if ((dcode[0] == 0xffffffff && dcode[1] == 0xffffffff &&
3835 dcode[2] == 0xffffffff && dcode[3] == 0xffffffff) ||
3836 (dcode[0] == 0 && dcode[1] == 0 && dcode[2] == 0 &&
3837 dcode[3] == 0)) {
3838 qla_printk(KERN_WARNING, ha,
5433383e 3839 "Unable to verify integrity of firmware image!\n");
0107109e
AV		 3840 qla_printk(KERN_WARNING, ha,
3841 "Firmware data: %08x %08x %08x %08x!\n", dcode[0],
3842 dcode[1], dcode[2], dcode[3]);
3843 goto fail_fw_integrity;
3844 }
3845
3846 while (segments && rval == QLA_SUCCESS) {
3847 risc_addr = be32_to_cpu(fwcode[2]);
3848 *srisc_addr = *srisc_addr == 0 ? risc_addr : *srisc_addr;
3849 risc_size = be32_to_cpu(fwcode[3]);
3850
3851 /* Validate firmware image size. */
3852 fwclen += risc_size * sizeof(uint32_t);
5433383e 3853 if (blob->fw->size < fwclen) {
0107109e 3854 qla_printk(KERN_WARNING, ha,
5433383e
AV		 3855 "Unable to verify integrity of firmware image "
3856 "(%Zd)!\n", blob->fw->size);
3857
0107109e
AV		 3858 goto fail_fw_integrity;
3859 }
3860
3861 fragment = 0;
3862 while (risc_size > 0 && rval == QLA_SUCCESS) {
3863 dlen = (uint32_t)(ha->fw_transfer_size >> 2);
3864 if (dlen > risc_size)
3865 dlen = risc_size;
3866
3867 DEBUG7(printk("scsi(%ld): Loading risc segment@ risc "
3868 "addr %x, number of dwords 0x%x.\n", ha->host_no,
3869 risc_addr, dlen));
3870
3871 for (i = 0; i < dlen; i++)
3872 dcode[i] = swab32(fwcode[i]);
3873
590f98e5
AV		 3874 rval = qla2x00_load_ram(ha, ha->request_dma, risc_addr,
3875 dlen);
0107109e
AV		 3876 if (rval) {
3877 DEBUG(printk("scsi(%ld):[ERROR] Failed to load "
3878 "segment %d of firmware\n", ha->host_no,
3879 fragment));
3880 qla_printk(KERN_WARNING, ha,
3881 "[ERROR] Failed to load segment %d of "
3882 "firmware\n", fragment);
3883 break;
3884 }
3885
3886 fwcode += dlen;
3887 risc_addr += dlen;
3888 risc_size -= dlen;
3889 fragment++;
3890 }
3891
3892 /* Next segment. */
3893 segments--;
3894 }
0107109e
AV		 3895 return rval;
3896
3897fail_fw_integrity:
0107109e 3898 return QLA_FUNCTION_FAILED;
0107109e 3899}
5433383e 3900#endif
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