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[PATCH] kfree cleanup: drivers/scsi
[linux-2.6/linux-acpi-2.6/ibm-acpi-2.6.git] / drivers / scsi / qla2xxx / qla_init.c
blob72d9090df3dff8e8863204183b938c854392ce38
1 /*
2 * QLogic Fibre Channel HBA Driver
3 * Copyright (c) 2003-2005 QLogic Corporation
4 *
5 * See LICENSE.qla2xxx for copyright and licensing details.
6 */
7 #include "qla_def.h"
8
9 #include <linux/delay.h>
10 #include <linux/vmalloc.h>
11 #include <linux/firmware.h>
12 #include <scsi/scsi_transport_fc.h>
13
14 #include "qla_devtbl.h"
15
16 /* XXX(hch): this is ugly, but we don't want to pull in exioctl.h */
17 #ifndef EXT_IS_LUN_BIT_SET
18 #define EXT_IS_LUN_BIT_SET(P,L) \
19 (((P)->mask[L/8] & (0x80 >> (L%8)))?1:0)
20 #define EXT_SET_LUN_BIT(P,L) \
21 ((P)->mask[L/8] |= (0x80 >> (L%8)))
22 #endif
23
24 /*
25 * QLogic ISP2x00 Hardware Support Function Prototypes.
26 */
27 static int qla2x00_isp_firmware(scsi_qla_host_t *);
28 static void qla2x00_resize_request_q(scsi_qla_host_t *);
29 static int qla2x00_setup_chip(scsi_qla_host_t *);
30 static void qla2x00_init_response_q_entries(scsi_qla_host_t *);
31 static int qla2x00_init_rings(scsi_qla_host_t *);
32 static int qla2x00_fw_ready(scsi_qla_host_t *);
33 static int qla2x00_configure_hba(scsi_qla_host_t *);
34 static int qla2x00_configure_loop(scsi_qla_host_t *);
35 static int qla2x00_configure_local_loop(scsi_qla_host_t *);
36 static void qla2x00_update_fcport(scsi_qla_host_t *, fc_port_t *);
37 static int qla2x00_configure_fabric(scsi_qla_host_t *);
38 static int qla2x00_find_all_fabric_devs(scsi_qla_host_t *, struct list_head *);
39 static int qla2x00_device_resync(scsi_qla_host_t *);
40 static int qla2x00_fabric_dev_login(scsi_qla_host_t *, fc_port_t *,
41 uint16_t *);
42
43 static int qla2x00_restart_isp(scsi_qla_host_t *);
44
45 /****************************************************************************/
46 /* QLogic ISP2x00 Hardware Support Functions. */
47 /****************************************************************************/
48
49 /*
50 * qla2x00_initialize_adapter
51 * Initialize board.
52 *
53 * Input:
54 * ha = adapter block pointer.
55 *
56 * Returns:
57 * 0 = success
58 */
59 int
60 qla2x00_initialize_adapter(scsi_qla_host_t *ha)
61 {
62 int rval;
63 uint8_t restart_risc = 0;
64 uint8_t retry;
65 uint32_t wait_time;
66
67 /* Clear adapter flags. */
68 ha->flags.online = 0;
69 ha->flags.reset_active = 0;
70 atomic_set(&ha->loop_down_timer, LOOP_DOWN_TIME);
71 atomic_set(&ha->loop_state, LOOP_DOWN);
72 ha->device_flags = 0;
73 ha->dpc_flags = 0;
74 ha->flags.management_server_logged_in = 0;
75 ha->marker_needed = 0;
76 ha->mbx_flags = 0;
77 ha->isp_abort_cnt = 0;
78 ha->beacon_blink_led = 0;
79 set_bit(REGISTER_FDMI_NEEDED, &ha->dpc_flags);
80
81 qla_printk(KERN_INFO, ha, "Configuring PCI space...\n");
82 rval = ha->isp_ops.pci_config(ha);
83 if (rval) {
84 DEBUG2(printk("scsi(%ld): Unable to configure PCI space=n",
85 ha->host_no));
86 return (rval);
87 }
88
89 ha->isp_ops.reset_chip(ha);
90
91 qla_printk(KERN_INFO, ha, "Configure NVRAM parameters...\n");
92
93 ha->isp_ops.nvram_config(ha);
94
95 qla_printk(KERN_INFO, ha, "Verifying loaded RISC code...\n");
96
97 retry = 10;
98 /*
99 * Try to configure the loop.
100 */
101 do {
102 restart_risc = 0;
103
104 /* If firmware needs to be loaded */
105 if (qla2x00_isp_firmware(ha) != QLA_SUCCESS) {
106 if ((rval = ha->isp_ops.chip_diag(ha)) == QLA_SUCCESS) {
107 rval = qla2x00_setup_chip(ha);
108 }
109 }
110
111 if (rval == QLA_SUCCESS &&
112 (rval = qla2x00_init_rings(ha)) == QLA_SUCCESS) {
113 check_fw_ready_again:
114 /*
115 * Wait for a successful LIP up to a maximum
116 * of (in seconds): RISC login timeout value,
117 * RISC retry count value, and port down retry
118 * value OR a minimum of 4 seconds OR If no
119 * cable, only 5 seconds.
120 */
121 rval = qla2x00_fw_ready(ha);
122 if (rval == QLA_SUCCESS) {
123 clear_bit(RESET_MARKER_NEEDED, &ha->dpc_flags);
124
125 /* Issue a marker after FW becomes ready. */
126 qla2x00_marker(ha, 0, 0, MK_SYNC_ALL);
127
128 /*
129 * Wait at most MAX_TARGET RSCNs for a stable
130 * link.
131 */
132 wait_time = 256;
133 do {
134 clear_bit(LOOP_RESYNC_NEEDED,
135 &ha->dpc_flags);
136 rval = qla2x00_configure_loop(ha);
137
138 if (test_and_clear_bit(ISP_ABORT_NEEDED,
139 &ha->dpc_flags)) {
140 restart_risc = 1;
141 break;
142 }
143
144 /*
145 * If loop state change while we were
146 * discoverying devices then wait for
147 * LIP to complete
148 */
149
150 if (atomic_read(&ha->loop_state) ==
151 LOOP_DOWN && retry--) {
152 goto check_fw_ready_again;
153 }
154 wait_time--;
155 } while (!atomic_read(&ha->loop_down_timer) &&
156 retry &&
157 wait_time &&
158 (test_bit(LOOP_RESYNC_NEEDED,
159 &ha->dpc_flags)));
160
161 if (wait_time == 0)
162 rval = QLA_FUNCTION_FAILED;
163 } else if (ha->device_flags & DFLG_NO_CABLE)
164 /* If no cable, then all is good. */
165 rval = QLA_SUCCESS;
166 }
167 } while (restart_risc && retry--);
168
169 if (rval == QLA_SUCCESS) {
170 clear_bit(RESET_MARKER_NEEDED, &ha->dpc_flags);
171 qla2x00_marker(ha, 0, 0, MK_SYNC_ALL);
172 ha->marker_needed = 0;
173
174 ha->flags.online = 1;
175 } else {
176 DEBUG2_3(printk("%s(): **** FAILED ****\n", __func__));
177 }
178
179 return (rval);
180 }
181
182 /**
183 * qla2100_pci_config() - Setup ISP21xx PCI configuration registers.
184 * @ha: HA context
185 *
186 * Returns 0 on success.
187 */
188 int
189 qla2100_pci_config(scsi_qla_host_t *ha)
190 {
191 uint16_t w, mwi;
192 uint32_t d;
193 unsigned long flags;
194 struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
195
196 pci_set_master(ha->pdev);
197 mwi = 0;
198 if (pci_set_mwi(ha->pdev))
199 mwi = PCI_COMMAND_INVALIDATE;
200 pci_read_config_word(ha->pdev, PCI_REVISION_ID, &ha->revision);
201
202 pci_read_config_word(ha->pdev, PCI_COMMAND, &w);
203 w |= mwi | (PCI_COMMAND_PARITY | PCI_COMMAND_SERR);
204 pci_write_config_word(ha->pdev, PCI_COMMAND, w);
205
206 /* Reset expansion ROM address decode enable */
207 pci_read_config_dword(ha->pdev, PCI_ROM_ADDRESS, &d);
208 d &= ~PCI_ROM_ADDRESS_ENABLE;
209 pci_write_config_dword(ha->pdev, PCI_ROM_ADDRESS, d);
210
211 /* Get PCI bus information. */
212 spin_lock_irqsave(&ha->hardware_lock, flags);
213 ha->pci_attr = RD_REG_WORD(&reg->ctrl_status);
214 spin_unlock_irqrestore(&ha->hardware_lock, flags);
215
216 return QLA_SUCCESS;
217 }
218
219 /**
220 * qla2300_pci_config() - Setup ISP23xx PCI configuration registers.
221 * @ha: HA context
222 *
223 * Returns 0 on success.
224 */
225 int
226 qla2300_pci_config(scsi_qla_host_t *ha)
227 {
228 uint16_t w, mwi;
229 uint32_t d;
230 unsigned long flags = 0;
231 uint32_t cnt;
232 struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
233
234 pci_set_master(ha->pdev);
235 mwi = 0;
236 if (pci_set_mwi(ha->pdev))
237 mwi = PCI_COMMAND_INVALIDATE;
238 pci_read_config_word(ha->pdev, PCI_REVISION_ID, &ha->revision);
239
240 pci_read_config_word(ha->pdev, PCI_COMMAND, &w);
241 w |= mwi | (PCI_COMMAND_PARITY | PCI_COMMAND_SERR);
242
243 if (IS_QLA2322(ha) || IS_QLA6322(ha))
244 w &= ~PCI_COMMAND_INTX_DISABLE;
245
246 /*
247 * If this is a 2300 card and not 2312, reset the
248 * COMMAND_INVALIDATE due to a bug in the 2300. Unfortunately,
249 * the 2310 also reports itself as a 2300 so we need to get the
250 * fb revision level -- a 6 indicates it really is a 2300 and
251 * not a 2310.
252 */
253 if (IS_QLA2300(ha)) {
254 spin_lock_irqsave(&ha->hardware_lock, flags);
255
256 /* Pause RISC. */
257 WRT_REG_WORD(&reg->hccr, HCCR_PAUSE_RISC);
258 for (cnt = 0; cnt < 30000; cnt++) {
259 if ((RD_REG_WORD(&reg->hccr) & HCCR_RISC_PAUSE) != 0)
260 break;
261
262 udelay(10);
263 }
264
265 /* Select FPM registers. */
266 WRT_REG_WORD(&reg->ctrl_status, 0x20);
267 RD_REG_WORD(&reg->ctrl_status);
268
269 /* Get the fb rev level */
270 ha->fb_rev = RD_FB_CMD_REG(ha, reg);
271
272 if (ha->fb_rev == FPM_2300)
273 w &= ~PCI_COMMAND_INVALIDATE;
274
275 /* Deselect FPM registers. */
276 WRT_REG_WORD(&reg->ctrl_status, 0x0);
277 RD_REG_WORD(&reg->ctrl_status);
278
279 /* Release RISC module. */
280 WRT_REG_WORD(&reg->hccr, HCCR_RELEASE_RISC);
281 for (cnt = 0; cnt < 30000; cnt++) {
282 if ((RD_REG_WORD(&reg->hccr) & HCCR_RISC_PAUSE) == 0)
283 break;
284
285 udelay(10);
286 }
287
288 spin_unlock_irqrestore(&ha->hardware_lock, flags);
289 }
290 pci_write_config_word(ha->pdev, PCI_COMMAND, w);
291
292 pci_write_config_byte(ha->pdev, PCI_LATENCY_TIMER, 0x80);
293
294 /* Reset expansion ROM address decode enable */
295 pci_read_config_dword(ha->pdev, PCI_ROM_ADDRESS, &d);
296 d &= ~PCI_ROM_ADDRESS_ENABLE;
297 pci_write_config_dword(ha->pdev, PCI_ROM_ADDRESS, d);
298
299 /* Get PCI bus information. */
300 spin_lock_irqsave(&ha->hardware_lock, flags);
301 ha->pci_attr = RD_REG_WORD(&reg->ctrl_status);
302 spin_unlock_irqrestore(&ha->hardware_lock, flags);
303
304 return QLA_SUCCESS;
305 }
306
307 /**
308 * qla24xx_pci_config() - Setup ISP24xx PCI configuration registers.
309 * @ha: HA context
310 *
311 * Returns 0 on success.
312 */
313 int
314 qla24xx_pci_config(scsi_qla_host_t *ha)
315 {
316 uint16_t w, mwi;
317 uint32_t d;
318 unsigned long flags = 0;
319 struct device_reg_24xx __iomem *reg = &ha->iobase->isp24;
320 int pcix_cmd_reg, pcie_dctl_reg;
321
322 pci_set_master(ha->pdev);
323 mwi = 0;
324 if (pci_set_mwi(ha->pdev))
325 mwi = PCI_COMMAND_INVALIDATE;
326 pci_read_config_word(ha->pdev, PCI_REVISION_ID, &ha->revision);
327
328 pci_read_config_word(ha->pdev, PCI_COMMAND, &w);
329 w |= mwi | (PCI_COMMAND_PARITY | PCI_COMMAND_SERR);
330 w &= ~PCI_COMMAND_INTX_DISABLE;
331 pci_write_config_word(ha->pdev, PCI_COMMAND, w);
332
333 pci_write_config_byte(ha->pdev, PCI_LATENCY_TIMER, 0x80);
334
335 /* PCI-X -- adjust Maximum Memory Read Byte Count (2048). */
336 pcix_cmd_reg = pci_find_capability(ha->pdev, PCI_CAP_ID_PCIX);
337 if (pcix_cmd_reg) {
338 uint16_t pcix_cmd;
339
340 pcix_cmd_reg += PCI_X_CMD;
341 pci_read_config_word(ha->pdev, pcix_cmd_reg, &pcix_cmd);
342 pcix_cmd &= ~PCI_X_CMD_MAX_READ;
343 pcix_cmd |= 0x0008;
344 pci_write_config_word(ha->pdev, pcix_cmd_reg, pcix_cmd);
345 }
346
347 /* PCIe -- adjust Maximum Read Request Size (2048). */
348 pcie_dctl_reg = pci_find_capability(ha->pdev, PCI_CAP_ID_EXP);
349 if (pcie_dctl_reg) {
350 uint16_t pcie_dctl;
351
352 pcie_dctl_reg += PCI_EXP_DEVCTL;
353 pci_read_config_word(ha->pdev, pcie_dctl_reg, &pcie_dctl);
354 pcie_dctl &= ~PCI_EXP_DEVCTL_READRQ;
355 pcie_dctl |= 0x4000;
356 pci_write_config_word(ha->pdev, pcie_dctl_reg, pcie_dctl);
357 }
358
359 /* Reset expansion ROM address decode enable */
360 pci_read_config_dword(ha->pdev, PCI_ROM_ADDRESS, &d);
361 d &= ~PCI_ROM_ADDRESS_ENABLE;
362 pci_write_config_dword(ha->pdev, PCI_ROM_ADDRESS, d);
363
364 /* Get PCI bus information. */
365 spin_lock_irqsave(&ha->hardware_lock, flags);
366 ha->pci_attr = RD_REG_DWORD(&reg->ctrl_status);
367 spin_unlock_irqrestore(&ha->hardware_lock, flags);
368
369 return QLA_SUCCESS;
370 }
371
372 /**
373 * qla2x00_isp_firmware() - Choose firmware image.
374 * @ha: HA context
375 *
376 * Returns 0 on success.
377 */
378 static int
379 qla2x00_isp_firmware(scsi_qla_host_t *ha)
380 {
381 int rval;
382
383 /* Assume loading risc code */
384 rval = QLA_FUNCTION_FAILED;
385
386 if (ha->flags.disable_risc_code_load) {
387 DEBUG2(printk("scsi(%ld): RISC CODE NOT loaded\n",
388 ha->host_no));
389 qla_printk(KERN_INFO, ha, "RISC CODE NOT loaded\n");
390
391 /* Verify checksum of loaded RISC code. */
392 rval = qla2x00_verify_checksum(ha,
393 IS_QLA24XX(ha) || IS_QLA25XX(ha) ? RISC_SADDRESS :
394 *ha->brd_info->fw_info[0].fwstart);
395 }
396
397 if (rval) {
398 DEBUG2_3(printk("scsi(%ld): **** Load RISC code ****\n",
399 ha->host_no));
400 }
401
402 return (rval);
403 }
404
405 /**
406 * qla2x00_reset_chip() - Reset ISP chip.
407 * @ha: HA context
408 *
409 * Returns 0 on success.
410 */
411 void
412 qla2x00_reset_chip(scsi_qla_host_t *ha)
413 {
414 unsigned long flags = 0;
415 struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
416 uint32_t cnt;
417 unsigned long mbx_flags = 0;
418 uint16_t cmd;
419
420 ha->isp_ops.disable_intrs(ha);
421
422 spin_lock_irqsave(&ha->hardware_lock, flags);
423
424 /* Turn off master enable */
425 cmd = 0;
426 pci_read_config_word(ha->pdev, PCI_COMMAND, &cmd);
427 cmd &= ~PCI_COMMAND_MASTER;
428 pci_write_config_word(ha->pdev, PCI_COMMAND, cmd);
429
430 if (!IS_QLA2100(ha)) {
431 /* Pause RISC. */
432 WRT_REG_WORD(&reg->hccr, HCCR_PAUSE_RISC);
433 if (IS_QLA2200(ha) || IS_QLA2300(ha)) {
434 for (cnt = 0; cnt < 30000; cnt++) {
435 if ((RD_REG_WORD(&reg->hccr) &
436 HCCR_RISC_PAUSE) != 0)
437 break;
438 udelay(100);
439 }
440 } else {
441 RD_REG_WORD(&reg->hccr); /* PCI Posting. */
442 udelay(10);
443 }
444
445 /* Select FPM registers. */
446 WRT_REG_WORD(&reg->ctrl_status, 0x20);
447 RD_REG_WORD(&reg->ctrl_status); /* PCI Posting. */
448
449 /* FPM Soft Reset. */
450 WRT_REG_WORD(&reg->fpm_diag_config, 0x100);
451 RD_REG_WORD(&reg->fpm_diag_config); /* PCI Posting. */
452
453 /* Toggle Fpm Reset. */
454 if (!IS_QLA2200(ha)) {
455 WRT_REG_WORD(&reg->fpm_diag_config, 0x0);
456 RD_REG_WORD(&reg->fpm_diag_config); /* PCI Posting. */
457 }
458
459 /* Select frame buffer registers. */
460 WRT_REG_WORD(&reg->ctrl_status, 0x10);
461 RD_REG_WORD(&reg->ctrl_status); /* PCI Posting. */
462
463 /* Reset frame buffer FIFOs. */
464 if (IS_QLA2200(ha)) {
465 WRT_FB_CMD_REG(ha, reg, 0xa000);
466 RD_FB_CMD_REG(ha, reg); /* PCI Posting. */
467 } else {
468 WRT_FB_CMD_REG(ha, reg, 0x00fc);
469
470 /* Read back fb_cmd until zero or 3 seconds max */
471 for (cnt = 0; cnt < 3000; cnt++) {
472 if ((RD_FB_CMD_REG(ha, reg) & 0xff) == 0)
473 break;
474 udelay(100);
475 }
476 }
477
478 /* Select RISC module registers. */
479 WRT_REG_WORD(&reg->ctrl_status, 0);
480 RD_REG_WORD(&reg->ctrl_status); /* PCI Posting. */
481
482 /* Reset RISC processor. */
483 WRT_REG_WORD(&reg->hccr, HCCR_RESET_RISC);
484 RD_REG_WORD(&reg->hccr); /* PCI Posting. */
485
486 /* Release RISC processor. */
487 WRT_REG_WORD(&reg->hccr, HCCR_RELEASE_RISC);
488 RD_REG_WORD(&reg->hccr); /* PCI Posting. */
489 }
490
491 WRT_REG_WORD(&reg->hccr, HCCR_CLR_RISC_INT);
492 WRT_REG_WORD(&reg->hccr, HCCR_CLR_HOST_INT);
493
494 /* Reset ISP chip. */
495 WRT_REG_WORD(&reg->ctrl_status, CSR_ISP_SOFT_RESET);
496
497 /* Wait for RISC to recover from reset. */
498 if (IS_QLA2100(ha) || IS_QLA2200(ha) || IS_QLA2300(ha)) {
499 /*
500 * It is necessary to for a delay here since the card doesn't
501 * respond to PCI reads during a reset. On some architectures
502 * this will result in an MCA.
503 */
504 udelay(20);
505 for (cnt = 30000; cnt; cnt--) {
506 if ((RD_REG_WORD(&reg->ctrl_status) &
507 CSR_ISP_SOFT_RESET) == 0)
508 break;
509 udelay(100);
510 }
511 } else
512 udelay(10);
513
514 /* Reset RISC processor. */
515 WRT_REG_WORD(&reg->hccr, HCCR_RESET_RISC);
516
517 WRT_REG_WORD(&reg->semaphore, 0);
518
519 /* Release RISC processor. */
520 WRT_REG_WORD(&reg->hccr, HCCR_RELEASE_RISC);
521 RD_REG_WORD(&reg->hccr); /* PCI Posting. */
522
523 if (IS_QLA2100(ha) || IS_QLA2200(ha) || IS_QLA2300(ha)) {
524 for (cnt = 0; cnt < 30000; cnt++) {
525 if (!(test_bit(ABORT_ISP_ACTIVE, &ha->dpc_flags)))
526 spin_lock_irqsave(&ha->mbx_reg_lock, mbx_flags);
527
528 if (RD_MAILBOX_REG(ha, reg, 0) != MBS_BUSY) {
529 if (!(test_bit(ABORT_ISP_ACTIVE,
530 &ha->dpc_flags)))
531 spin_unlock_irqrestore(
532 &ha->mbx_reg_lock, mbx_flags);
533 break;
534 }
535
536 if (!(test_bit(ABORT_ISP_ACTIVE, &ha->dpc_flags)))
537 spin_unlock_irqrestore(&ha->mbx_reg_lock,
538 mbx_flags);
539
540 udelay(100);
541 }
542 } else
543 udelay(100);
544
545 /* Turn on master enable */
546 cmd |= PCI_COMMAND_MASTER;
547 pci_write_config_word(ha->pdev, PCI_COMMAND, cmd);
548
549 /* Disable RISC pause on FPM parity error. */
550 if (!IS_QLA2100(ha)) {
551 WRT_REG_WORD(&reg->hccr, HCCR_DISABLE_PARITY_PAUSE);
552 RD_REG_WORD(&reg->hccr); /* PCI Posting. */
553 }
554
555 spin_unlock_irqrestore(&ha->hardware_lock, flags);
556 }
557
558 /**
559 * qla24xx_reset_risc() - Perform full reset of ISP24xx RISC.
560 * @ha: HA context
561 *
562 * Returns 0 on success.
563 */
564 static inline void
565 qla24xx_reset_risc(scsi_qla_host_t *ha)
566 {
567 unsigned long flags = 0;
568 struct device_reg_24xx __iomem *reg = &ha->iobase->isp24;
569 uint32_t cnt, d2;
570
571 spin_lock_irqsave(&ha->hardware_lock, flags);
572
573 /* Reset RISC. */
574 WRT_REG_DWORD(&reg->ctrl_status, CSRX_DMA_SHUTDOWN|MWB_4096_BYTES);
575 for (cnt = 0; cnt < 30000; cnt++) {
576 if ((RD_REG_DWORD(&reg->ctrl_status) & CSRX_DMA_ACTIVE) == 0)
577 break;
578
579 udelay(10);
580 }
581
582 WRT_REG_DWORD(&reg->ctrl_status,
583 CSRX_ISP_SOFT_RESET|CSRX_DMA_SHUTDOWN|MWB_4096_BYTES);
584 RD_REG_DWORD(&reg->ctrl_status);
585
586 /* Wait for firmware to complete NVRAM accesses. */
587 udelay(5);
588 d2 = (uint32_t) RD_REG_WORD(&reg->mailbox0);
589 for (cnt = 10000 ; cnt && d2; cnt--) {
590 udelay(5);
591 d2 = (uint32_t) RD_REG_WORD(&reg->mailbox0);
592 barrier();
593 }
594
595 udelay(20);
596 d2 = RD_REG_DWORD(&reg->ctrl_status);
597 for (cnt = 6000000 ; cnt && (d2 & CSRX_ISP_SOFT_RESET); cnt--) {
598 udelay(5);
599 d2 = RD_REG_DWORD(&reg->ctrl_status);
600 barrier();
601 }
602
603 WRT_REG_DWORD(&reg->hccr, HCCRX_SET_RISC_RESET);
604 RD_REG_DWORD(&reg->hccr);
605
606 WRT_REG_DWORD(&reg->hccr, HCCRX_REL_RISC_PAUSE);
607 RD_REG_DWORD(&reg->hccr);
608
609 WRT_REG_DWORD(&reg->hccr, HCCRX_CLR_RISC_RESET);
610 RD_REG_DWORD(&reg->hccr);
611
612 d2 = (uint32_t) RD_REG_WORD(&reg->mailbox0);
613 for (cnt = 6000000 ; cnt && d2; cnt--) {
614 udelay(5);
615 d2 = (uint32_t) RD_REG_WORD(&reg->mailbox0);
616 barrier();
617 }
618
619 spin_unlock_irqrestore(&ha->hardware_lock, flags);
620 }
621
622 /**
623 * qla24xx_reset_chip() - Reset ISP24xx chip.
624 * @ha: HA context
625 *
626 * Returns 0 on success.
627 */
628 void
629 qla24xx_reset_chip(scsi_qla_host_t *ha)
630 {
631 ha->isp_ops.disable_intrs(ha);
632
633 /* Perform RISC reset. */
634 qla24xx_reset_risc(ha);
635 }
636
637 /**
638 * qla2x00_chip_diag() - Test chip for proper operation.
639 * @ha: HA context
640 *
641 * Returns 0 on success.
642 */
643 int
644 qla2x00_chip_diag(scsi_qla_host_t *ha)
645 {
646 int rval;
647 struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
648 unsigned long flags = 0;
649 uint16_t data;
650 uint32_t cnt;
651 uint16_t mb[5];
652
653 /* Assume a failed state */
654 rval = QLA_FUNCTION_FAILED;
655
656 DEBUG3(printk("scsi(%ld): Testing device at %lx.\n",
657 ha->host_no, (u_long)&reg->flash_address));
658
659 spin_lock_irqsave(&ha->hardware_lock, flags);
660
661 /* Reset ISP chip. */
662 WRT_REG_WORD(&reg->ctrl_status, CSR_ISP_SOFT_RESET);
663
664 /*
665 * We need to have a delay here since the card will not respond while
666 * in reset causing an MCA on some architectures.
667 */
668 udelay(20);
669 data = qla2x00_debounce_register(&reg->ctrl_status);
670 for (cnt = 6000000 ; cnt && (data & CSR_ISP_SOFT_RESET); cnt--) {
671 udelay(5);
672 data = RD_REG_WORD(&reg->ctrl_status);
673 barrier();
674 }
675
676 if (!cnt)
677 goto chip_diag_failed;
678
679 DEBUG3(printk("scsi(%ld): Reset register cleared by chip reset\n",
680 ha->host_no));
681
682 /* Reset RISC processor. */
683 WRT_REG_WORD(&reg->hccr, HCCR_RESET_RISC);
684 WRT_REG_WORD(&reg->hccr, HCCR_RELEASE_RISC);
685
686 /* Workaround for QLA2312 PCI parity error */
687 if (IS_QLA2100(ha) || IS_QLA2200(ha) || IS_QLA2300(ha)) {
688 data = qla2x00_debounce_register(MAILBOX_REG(ha, reg, 0));
689 for (cnt = 6000000; cnt && (data == MBS_BUSY); cnt--) {
690 udelay(5);
691 data = RD_MAILBOX_REG(ha, reg, 0);
692 barrier();
693 }
694 } else
695 udelay(10);
696
697 if (!cnt)
698 goto chip_diag_failed;
699
700 /* Check product ID of chip */
701 DEBUG3(printk("scsi(%ld): Checking product ID of chip\n", ha->host_no));
702
703 mb[1] = RD_MAILBOX_REG(ha, reg, 1);
704 mb[2] = RD_MAILBOX_REG(ha, reg, 2);
705 mb[3] = RD_MAILBOX_REG(ha, reg, 3);
706 mb[4] = qla2x00_debounce_register(MAILBOX_REG(ha, reg, 4));
707 if (mb[1] != PROD_ID_1 || (mb[2] != PROD_ID_2 && mb[2] != PROD_ID_2a) ||
708 mb[3] != PROD_ID_3) {
709 qla_printk(KERN_WARNING, ha,
710 "Wrong product ID = 0x%x,0x%x,0x%x\n", mb[1], mb[2], mb[3]);
711
712 goto chip_diag_failed;
713 }
714 ha->product_id[0] = mb[1];
715 ha->product_id[1] = mb[2];
716 ha->product_id[2] = mb[3];
717 ha->product_id[3] = mb[4];
718
719 /* Adjust fw RISC transfer size */
720 if (ha->request_q_length > 1024)
721 ha->fw_transfer_size = REQUEST_ENTRY_SIZE * 1024;
722 else
723 ha->fw_transfer_size = REQUEST_ENTRY_SIZE *
724 ha->request_q_length;
725
726 if (IS_QLA2200(ha) &&
727 RD_MAILBOX_REG(ha, reg, 7) == QLA2200A_RISC_ROM_VER) {
728 /* Limit firmware transfer size with a 2200A */
729 DEBUG3(printk("scsi(%ld): Found QLA2200A chip.\n",
730 ha->host_no));
731
732 ha->fw_transfer_size = 128;
733 }
734
735 /* Wrap Incoming Mailboxes Test. */
736 spin_unlock_irqrestore(&ha->hardware_lock, flags);
737
738 DEBUG3(printk("scsi(%ld): Checking mailboxes.\n", ha->host_no));
739 rval = qla2x00_mbx_reg_test(ha);
740 if (rval) {
741 DEBUG(printk("scsi(%ld): Failed mailbox send register test\n",
742 ha->host_no));
743 qla_printk(KERN_WARNING, ha,
744 "Failed mailbox send register test\n");
745 }
746 else {
747 /* Flag a successful rval */
748 rval = QLA_SUCCESS;
749 }
750 spin_lock_irqsave(&ha->hardware_lock, flags);
751
752 chip_diag_failed:
753 if (rval)
754 DEBUG2_3(printk("scsi(%ld): Chip diagnostics **** FAILED "
755 "****\n", ha->host_no));
756
757 spin_unlock_irqrestore(&ha->hardware_lock, flags);
758
759 return (rval);
760 }
761
762 /**
763 * qla24xx_chip_diag() - Test ISP24xx for proper operation.
764 * @ha: HA context
765 *
766 * Returns 0 on success.
767 */
768 int
769 qla24xx_chip_diag(scsi_qla_host_t *ha)
770 {
771 int rval;
772
773 /* Perform RISC reset. */
774 qla24xx_reset_risc(ha);
775
776 ha->fw_transfer_size = REQUEST_ENTRY_SIZE * 1024;
777
778 rval = qla2x00_mbx_reg_test(ha);
779 if (rval) {
780 DEBUG(printk("scsi(%ld): Failed mailbox send register test\n",
781 ha->host_no));
782 qla_printk(KERN_WARNING, ha,
783 "Failed mailbox send register test\n");
784 } else {
785 /* Flag a successful rval */
786 rval = QLA_SUCCESS;
787 }
788
789 return rval;
790 }
791
792 static void
793 qla2x00_alloc_fw_dump(scsi_qla_host_t *ha)
794 {
795 ha->fw_dumped = 0;
796 ha->fw_dump24_len = sizeof(struct qla24xx_fw_dump);
797 ha->fw_dump24_len += (ha->fw_memory_size - 0x100000) * sizeof(uint32_t);
798 ha->fw_dump24 = vmalloc(ha->fw_dump24_len);
799 if (ha->fw_dump24)
800 qla_printk(KERN_INFO, ha, "Allocated (%d KB) for firmware "
801 "dump...\n", ha->fw_dump24_len / 1024);
802 else
803 qla_printk(KERN_WARNING, ha, "Unable to allocate (%d KB) for "
804 "firmware dump!!!\n", ha->fw_dump24_len / 1024);
805 }
806
807 /**
808 * qla2x00_resize_request_q() - Resize request queue given available ISP memory.
809 * @ha: HA context
810 *
811 * Returns 0 on success.
812 */
813 static void
814 qla2x00_resize_request_q(scsi_qla_host_t *ha)
815 {
816 int rval;
817 uint16_t fw_iocb_cnt = 0;
818 uint16_t request_q_length = REQUEST_ENTRY_CNT_2XXX_EXT_MEM;
819 dma_addr_t request_dma;
820 request_t *request_ring;
821
822 /* Valid only on recent ISPs. */
823 if (IS_QLA2100(ha) || IS_QLA2200(ha))
824 return;
825
826 if (IS_QLA24XX(ha) || IS_QLA25XX(ha))
827 qla2x00_alloc_fw_dump(ha);
828
829 /* Retrieve IOCB counts available to the firmware. */
830 rval = qla2x00_get_resource_cnts(ha, NULL, NULL, NULL, &fw_iocb_cnt);
831 if (rval)
832 return;
833 /* No point in continuing if current settings are sufficient. */
834 if (fw_iocb_cnt < 1024)
835 return;
836 if (ha->request_q_length >= request_q_length)
837 return;
838
839 /* Attempt to claim larger area for request queue. */
840 request_ring = dma_alloc_coherent(&ha->pdev->dev,
841 (request_q_length + 1) * sizeof(request_t), &request_dma,
842 GFP_KERNEL);
843 if (request_ring == NULL)
844 return;
845
846 /* Resize successful, report extensions. */
847 qla_printk(KERN_INFO, ha, "Extended memory detected (%d KB)...\n",
848 (ha->fw_memory_size + 1) / 1024);
849 qla_printk(KERN_INFO, ha, "Resizing request queue depth "
850 "(%d -> %d)...\n", ha->request_q_length, request_q_length);
851
852 /* Clear old allocations. */
853 dma_free_coherent(&ha->pdev->dev,
854 (ha->request_q_length + 1) * sizeof(request_t), ha->request_ring,
855 ha->request_dma);
856
857 /* Begin using larger queue. */
858 ha->request_q_length = request_q_length;
859 ha->request_ring = request_ring;
860 ha->request_dma = request_dma;
861 }
862
863 /**
864 * qla2x00_setup_chip() - Load and start RISC firmware.
865 * @ha: HA context
866 *
867 * Returns 0 on success.
868 */
869 static int
870 qla2x00_setup_chip(scsi_qla_host_t *ha)
871 {
872 int rval;
873 uint32_t srisc_address = 0;
874
875 /* Load firmware sequences */
876 rval = ha->isp_ops.load_risc(ha, &srisc_address);
877 if (rval == QLA_SUCCESS) {
878 DEBUG(printk("scsi(%ld): Verifying Checksum of loaded RISC "
879 "code.\n", ha->host_no));
880
881 rval = qla2x00_verify_checksum(ha, srisc_address);
882 if (rval == QLA_SUCCESS) {
883 /* Start firmware execution. */
884 DEBUG(printk("scsi(%ld): Checksum OK, start "
885 "firmware.\n", ha->host_no));
886
887 rval = qla2x00_execute_fw(ha, srisc_address);
888 /* Retrieve firmware information. */
889 if (rval == QLA_SUCCESS && ha->fw_major_version == 0) {
890 qla2x00_get_fw_version(ha,
891 &ha->fw_major_version,
892 &ha->fw_minor_version,
893 &ha->fw_subminor_version,
894 &ha->fw_attributes, &ha->fw_memory_size);
895 qla2x00_resize_request_q(ha);
896 }
897 } else {
898 DEBUG2(printk(KERN_INFO
899 "scsi(%ld): ISP Firmware failed checksum.\n",
900 ha->host_no));
901 }
902 }
903
904 if (rval) {
905 DEBUG2_3(printk("scsi(%ld): Setup chip **** FAILED ****.\n",
906 ha->host_no));
907 }
908
909 return (rval);
910 }
911
912 /**
913 * qla2x00_init_response_q_entries() - Initializes response queue entries.
914 * @ha: HA context
915 *
916 * Beginning of request ring has initialization control block already built
917 * by nvram config routine.
918 *
919 * Returns 0 on success.
920 */
921 static void
922 qla2x00_init_response_q_entries(scsi_qla_host_t *ha)
923 {
924 uint16_t cnt;
925 response_t *pkt;
926
927 pkt = ha->response_ring_ptr;
928 for (cnt = 0; cnt < ha->response_q_length; cnt++) {
929 pkt->signature = RESPONSE_PROCESSED;
930 pkt++;
931 }
932
933 }
934
935 /**
936 * qla2x00_update_fw_options() - Read and process firmware options.
937 * @ha: HA context
938 *
939 * Returns 0 on success.
940 */
941 void
942 qla2x00_update_fw_options(scsi_qla_host_t *ha)
943 {
944 uint16_t swing, emphasis, tx_sens, rx_sens;
945
946 memset(ha->fw_options, 0, sizeof(ha->fw_options));
947 qla2x00_get_fw_options(ha, ha->fw_options);
948
949 if (IS_QLA2100(ha) || IS_QLA2200(ha))
950 return;
951
952 /* Serial Link options. */
953 DEBUG3(printk("scsi(%ld): Serial link options:\n",
954 ha->host_no));
955 DEBUG3(qla2x00_dump_buffer((uint8_t *)&ha->fw_seriallink_options,
956 sizeof(ha->fw_seriallink_options)));
957
958 ha->fw_options[1] &= ~FO1_SET_EMPHASIS_SWING;
959 if (ha->fw_seriallink_options[3] & BIT_2) {
960 ha->fw_options[1] |= FO1_SET_EMPHASIS_SWING;
961
962 /* 1G settings */
963 swing = ha->fw_seriallink_options[2] & (BIT_2 | BIT_1 | BIT_0);
964 emphasis = (ha->fw_seriallink_options[2] &
965 (BIT_4 | BIT_3)) >> 3;
966 tx_sens = ha->fw_seriallink_options[0] &
967 (BIT_3 | BIT_2 | BIT_1 | BIT_0);
968 rx_sens = (ha->fw_seriallink_options[0] &
969 (BIT_7 | BIT_6 | BIT_5 | BIT_4)) >> 4;
970 ha->fw_options[10] = (emphasis << 14) | (swing << 8);
971 if (IS_QLA2300(ha) || IS_QLA2312(ha) || IS_QLA6312(ha)) {
972 if (rx_sens == 0x0)
973 rx_sens = 0x3;
974 ha->fw_options[10] |= (tx_sens << 4) | rx_sens;
975 } else if (IS_QLA2322(ha) || IS_QLA6322(ha))
976 ha->fw_options[10] |= BIT_5 |
977 ((rx_sens & (BIT_1 | BIT_0)) << 2) |
978 (tx_sens & (BIT_1 | BIT_0));
979
980 /* 2G settings */
981 swing = (ha->fw_seriallink_options[2] &
982 (BIT_7 | BIT_6 | BIT_5)) >> 5;
983 emphasis = ha->fw_seriallink_options[3] & (BIT_1 | BIT_0);
984 tx_sens = ha->fw_seriallink_options[1] &
985 (BIT_3 | BIT_2 | BIT_1 | BIT_0);
986 rx_sens = (ha->fw_seriallink_options[1] &
987 (BIT_7 | BIT_6 | BIT_5 | BIT_4)) >> 4;
988 ha->fw_options[11] = (emphasis << 14) | (swing << 8);
989 if (IS_QLA2300(ha) || IS_QLA2312(ha) || IS_QLA6312(ha)) {
990 if (rx_sens == 0x0)
991 rx_sens = 0x3;
992 ha->fw_options[11] |= (tx_sens << 4) | rx_sens;
993 } else if (IS_QLA2322(ha) || IS_QLA6322(ha))
994 ha->fw_options[11] |= BIT_5 |
995 ((rx_sens & (BIT_1 | BIT_0)) << 2) |
996 (tx_sens & (BIT_1 | BIT_0));
997 }
998
999 /* FCP2 options. */
1000 /* Return command IOCBs without waiting for an ABTS to complete. */
1001 ha->fw_options[3] |= BIT_13;
1002
1003 /* LED scheme. */
1004 if (ha->flags.enable_led_scheme)
1005 ha->fw_options[2] |= BIT_12;
1006
1007 /* Update firmware options. */
1008 qla2x00_set_fw_options(ha, ha->fw_options);
1009 }
1010
1011 void
1012 qla24xx_update_fw_options(scsi_qla_host_t *ha)
1013 {
1014 int rval;
1015
1016 /* Update Serial Link options. */
1017 if ((ha->fw_seriallink_options24[0] & BIT_0) == 0)
1018 return;
1019
1020 rval = qla2x00_set_serdes_params(ha, ha->fw_seriallink_options24[1],
1021 ha->fw_seriallink_options24[2], ha->fw_seriallink_options24[3]);
1022 if (rval != QLA_SUCCESS) {
1023 qla_printk(KERN_WARNING, ha,
1024 "Unable to update Serial Link options (%x).\n", rval);
1025 }
1026 }
1027
1028 void
1029 qla2x00_config_rings(struct scsi_qla_host *ha)
1030 {
1031 struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
1032
1033 /* Setup ring parameters in initialization control block. */
1034 ha->init_cb->request_q_outpointer = __constant_cpu_to_le16(0);
1035 ha->init_cb->response_q_inpointer = __constant_cpu_to_le16(0);
1036 ha->init_cb->request_q_length = cpu_to_le16(ha->request_q_length);
1037 ha->init_cb->response_q_length = cpu_to_le16(ha->response_q_length);
1038 ha->init_cb->request_q_address[0] = cpu_to_le32(LSD(ha->request_dma));
1039 ha->init_cb->request_q_address[1] = cpu_to_le32(MSD(ha->request_dma));
1040 ha->init_cb->response_q_address[0] = cpu_to_le32(LSD(ha->response_dma));
1041 ha->init_cb->response_q_address[1] = cpu_to_le32(MSD(ha->response_dma));
1042
1043 WRT_REG_WORD(ISP_REQ_Q_IN(ha, reg), 0);
1044 WRT_REG_WORD(ISP_REQ_Q_OUT(ha, reg), 0);
1045 WRT_REG_WORD(ISP_RSP_Q_IN(ha, reg), 0);
1046 WRT_REG_WORD(ISP_RSP_Q_OUT(ha, reg), 0);
1047 RD_REG_WORD(ISP_RSP_Q_OUT(ha, reg)); /* PCI Posting. */
1048 }
1049
1050 void
1051 qla24xx_config_rings(struct scsi_qla_host *ha)
1052 {
1053 struct device_reg_24xx __iomem *reg = &ha->iobase->isp24;
1054 struct init_cb_24xx *icb;
1055
1056 /* Setup ring parameters in initialization control block. */
1057 icb = (struct init_cb_24xx *)ha->init_cb;
1058 icb->request_q_outpointer = __constant_cpu_to_le16(0);
1059 icb->response_q_inpointer = __constant_cpu_to_le16(0);
1060 icb->request_q_length = cpu_to_le16(ha->request_q_length);
1061 icb->response_q_length = cpu_to_le16(ha->response_q_length);
1062 icb->request_q_address[0] = cpu_to_le32(LSD(ha->request_dma));
1063 icb->request_q_address[1] = cpu_to_le32(MSD(ha->request_dma));
1064 icb->response_q_address[0] = cpu_to_le32(LSD(ha->response_dma));
1065 icb->response_q_address[1] = cpu_to_le32(MSD(ha->response_dma));
1066
1067 WRT_REG_DWORD(&reg->req_q_in, 0);
1068 WRT_REG_DWORD(&reg->req_q_out, 0);
1069 WRT_REG_DWORD(&reg->rsp_q_in, 0);
1070 WRT_REG_DWORD(&reg->rsp_q_out, 0);
1071 RD_REG_DWORD(&reg->rsp_q_out);
1072 }
1073
1074 /**
1075 * qla2x00_init_rings() - Initializes firmware.
1076 * @ha: HA context
1077 *
1078 * Beginning of request ring has initialization control block already built
1079 * by nvram config routine.
1080 *
1081 * Returns 0 on success.
1082 */
1083 static int
1084 qla2x00_init_rings(scsi_qla_host_t *ha)
1085 {
1086 int rval;
1087 unsigned long flags = 0;
1088 int cnt;
1089
1090 spin_lock_irqsave(&ha->hardware_lock, flags);
1091
1092 /* Clear outstanding commands array. */
1093 for (cnt = 0; cnt < MAX_OUTSTANDING_COMMANDS; cnt++)
1094 ha->outstanding_cmds[cnt] = NULL;
1095
1096 ha->current_outstanding_cmd = 0;
1097
1098 /* Clear RSCN queue. */
1099 ha->rscn_in_ptr = 0;
1100 ha->rscn_out_ptr = 0;
1101
1102 /* Initialize firmware. */
1103 ha->request_ring_ptr = ha->request_ring;
1104 ha->req_ring_index = 0;
1105 ha->req_q_cnt = ha->request_q_length;
1106 ha->response_ring_ptr = ha->response_ring;
1107 ha->rsp_ring_index = 0;
1108
1109 /* Initialize response queue entries */
1110 qla2x00_init_response_q_entries(ha);
1111
1112 ha->isp_ops.config_rings(ha);
1113
1114 spin_unlock_irqrestore(&ha->hardware_lock, flags);
1115
1116 /* Update any ISP specific firmware options before initialization. */
1117 ha->isp_ops.update_fw_options(ha);
1118
1119 DEBUG(printk("scsi(%ld): Issue init firmware.\n", ha->host_no));
1120 rval = qla2x00_init_firmware(ha, ha->init_cb_size);
1121 if (rval) {
1122 DEBUG2_3(printk("scsi(%ld): Init firmware **** FAILED ****.\n",
1123 ha->host_no));
1124 } else {
1125 DEBUG3(printk("scsi(%ld): Init firmware -- success.\n",
1126 ha->host_no));
1127 }
1128
1129 return (rval);
1130 }
1131
1132 /**
1133 * qla2x00_fw_ready() - Waits for firmware ready.
1134 * @ha: HA context
1135 *
1136 * Returns 0 on success.
1137 */
1138 static int
1139 qla2x00_fw_ready(scsi_qla_host_t *ha)
1140 {
1141 int rval;
1142 unsigned long wtime, mtime;
1143 uint16_t min_wait; /* Minimum wait time if loop is down */
1144 uint16_t wait_time; /* Wait time if loop is coming ready */
1145 uint16_t fw_state;
1146
1147 rval = QLA_SUCCESS;
1148
1149 /* 20 seconds for loop down. */
1150 min_wait = 20;
1151
1152 /*
1153 * Firmware should take at most one RATOV to login, plus 5 seconds for
1154 * our own processing.
1155 */
1156 if ((wait_time = (ha->retry_count*ha->login_timeout) + 5) < min_wait) {
1157 wait_time = min_wait;
1158 }
1159
1160 /* Min wait time if loop down */
1161 mtime = jiffies + (min_wait * HZ);
1162
1163 /* wait time before firmware ready */
1164 wtime = jiffies + (wait_time * HZ);
1165
1166 /* Wait for ISP to finish LIP */
1167 if (!ha->flags.init_done)
1168 qla_printk(KERN_INFO, ha, "Waiting for LIP to complete...\n");
1169
1170 DEBUG3(printk("scsi(%ld): Waiting for LIP to complete...\n",
1171 ha->host_no));
1172
1173 do {
1174 rval = qla2x00_get_firmware_state(ha, &fw_state);
1175 if (rval == QLA_SUCCESS) {
1176 if (fw_state < FSTATE_LOSS_OF_SYNC) {
1177 ha->device_flags &= ~DFLG_NO_CABLE;
1178 }
1179 if (fw_state == FSTATE_READY) {
1180 DEBUG(printk("scsi(%ld): F/W Ready - OK \n",
1181 ha->host_no));
1182
1183 qla2x00_get_retry_cnt(ha, &ha->retry_count,
1184 &ha->login_timeout, &ha->r_a_tov);
1185
1186 rval = QLA_SUCCESS;
1187 break;
1188 }
1189
1190 rval = QLA_FUNCTION_FAILED;
1191
1192 if (atomic_read(&ha->loop_down_timer) &&
1193 (fw_state >= FSTATE_LOSS_OF_SYNC ||
1194 fw_state == FSTATE_WAIT_AL_PA)) {
1195 /* Loop down. Timeout on min_wait for states
1196 * other than Wait for Login.
1197 */
1198 if (time_after_eq(jiffies, mtime)) {
1199 qla_printk(KERN_INFO, ha,
1200 "Cable is unplugged...\n");
1201
1202 ha->device_flags |= DFLG_NO_CABLE;
1203 break;
1204 }
1205 }
1206 } else {
1207 /* Mailbox cmd failed. Timeout on min_wait. */
1208 if (time_after_eq(jiffies, mtime))
1209 break;
1210 }
1211
1212 if (time_after_eq(jiffies, wtime))
1213 break;
1214
1215 /* Delay for a while */
1216 msleep(500);
1217
1218 DEBUG3(printk("scsi(%ld): fw_state=%x curr time=%lx.\n",
1219 ha->host_no, fw_state, jiffies));
1220 } while (1);
1221
1222 DEBUG(printk("scsi(%ld): fw_state=%x curr time=%lx.\n",
1223 ha->host_no, fw_state, jiffies));
1224
1225 if (rval) {
1226 DEBUG2_3(printk("scsi(%ld): Firmware ready **** FAILED ****.\n",
1227 ha->host_no));
1228 }
1229
1230 return (rval);
1231 }
1232
1233 /*
1234 * qla2x00_configure_hba
1235 * Setup adapter context.
1236 *
1237 * Input:
1238 * ha = adapter state pointer.
1239 *
1240 * Returns:
1241 * 0 = success
1242 *
1243 * Context:
1244 * Kernel context.
1245 */
1246 static int
1247 qla2x00_configure_hba(scsi_qla_host_t *ha)
1248 {
1249 int rval;
1250 uint16_t loop_id;
1251 uint16_t topo;
1252 uint8_t al_pa;
1253 uint8_t area;
1254 uint8_t domain;
1255 char connect_type[22];
1256
1257 /* Get host addresses. */
1258 rval = qla2x00_get_adapter_id(ha,
1259 &loop_id, &al_pa, &area, &domain, &topo);
1260 if (rval != QLA_SUCCESS) {
1261 qla_printk(KERN_WARNING, ha,
1262 "ERROR -- Unable to get host loop ID.\n");
1263 set_bit(ISP_ABORT_NEEDED, &ha->dpc_flags);
1264 return (rval);
1265 }
1266
1267 if (topo == 4) {
1268 qla_printk(KERN_INFO, ha,
1269 "Cannot get topology - retrying.\n");
1270 return (QLA_FUNCTION_FAILED);
1271 }
1272
1273 ha->loop_id = loop_id;
1274
1275 /* initialize */
1276 ha->min_external_loopid = SNS_FIRST_LOOP_ID;
1277 ha->operating_mode = LOOP;
1278
1279 switch (topo) {
1280 case 0:
1281 DEBUG3(printk("scsi(%ld): HBA in NL topology.\n",
1282 ha->host_no));
1283 ha->current_topology = ISP_CFG_NL;
1284 strcpy(connect_type, "(Loop)");
1285 break;
1286
1287 case 1:
1288 DEBUG3(printk("scsi(%ld): HBA in FL topology.\n",
1289 ha->host_no));
1290 ha->current_topology = ISP_CFG_FL;
1291 strcpy(connect_type, "(FL_Port)");
1292 break;
1293
1294 case 2:
1295 DEBUG3(printk("scsi(%ld): HBA in N P2P topology.\n",
1296 ha->host_no));
1297 ha->operating_mode = P2P;
1298 ha->current_topology = ISP_CFG_N;
1299 strcpy(connect_type, "(N_Port-to-N_Port)");
1300 break;
1301
1302 case 3:
1303 DEBUG3(printk("scsi(%ld): HBA in F P2P topology.\n",
1304 ha->host_no));
1305 ha->operating_mode = P2P;
1306 ha->current_topology = ISP_CFG_F;
1307 strcpy(connect_type, "(F_Port)");
1308 break;
1309
1310 default:
1311 DEBUG3(printk("scsi(%ld): HBA in unknown topology %x. "
1312 "Using NL.\n",
1313 ha->host_no, topo));
1314 ha->current_topology = ISP_CFG_NL;
1315 strcpy(connect_type, "(Loop)");
1316 break;
1317 }
1318
1319 /* Save Host port and loop ID. */
1320 /* byte order - Big Endian */
1321 ha->d_id.b.domain = domain;
1322 ha->d_id.b.area = area;
1323 ha->d_id.b.al_pa = al_pa;
1324
1325 if (!ha->flags.init_done)
1326 qla_printk(KERN_INFO, ha,
1327 "Topology - %s, Host Loop address 0x%x\n",
1328 connect_type, ha->loop_id);
1329
1330 if (rval) {
1331 DEBUG2_3(printk("scsi(%ld): FAILED.\n", ha->host_no));
1332 } else {
1333 DEBUG3(printk("scsi(%ld): exiting normally.\n", ha->host_no));
1334 }
1335
1336 return(rval);
1337 }
1338
1339 /*
1340 * NVRAM configuration for ISP 2xxx
1341 *
1342 * Input:
1343 * ha = adapter block pointer.
1344 *
1345 * Output:
1346 * initialization control block in response_ring
1347 * host adapters parameters in host adapter block
1348 *
1349 * Returns:
1350 * 0 = success.
1351 */
1352 int
1353 qla2x00_nvram_config(scsi_qla_host_t *ha)
1354 {
1355 int rval;
1356 uint8_t chksum = 0;
1357 uint16_t cnt;
1358 uint8_t *dptr1, *dptr2;
1359 init_cb_t *icb = ha->init_cb;
1360 nvram_t *nv = (nvram_t *)ha->request_ring;
1361 uint8_t *ptr = (uint8_t *)ha->request_ring;
1362 struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
1363
1364 rval = QLA_SUCCESS;
1365
1366 /* Determine NVRAM starting address. */
1367 ha->nvram_size = sizeof(nvram_t);
1368 ha->nvram_base = 0;
1369 if (!IS_QLA2100(ha) && !IS_QLA2200(ha) && !IS_QLA2300(ha))
1370 if ((RD_REG_WORD(&reg->ctrl_status) >> 14) == 1)
1371 ha->nvram_base = 0x80;
1372
1373 /* Get NVRAM data and calculate checksum. */
1374 ha->isp_ops.read_nvram(ha, ptr, ha->nvram_base, ha->nvram_size);
1375 for (cnt = 0, chksum = 0; cnt < ha->nvram_size; cnt++)
1376 chksum += *ptr++;
1377
1378 DEBUG5(printk("scsi(%ld): Contents of NVRAM\n", ha->host_no));
1379 DEBUG5(qla2x00_dump_buffer((uint8_t *)ha->request_ring,
1380 ha->nvram_size));
1381
1382 /* Bad NVRAM data, set defaults parameters. */
1383 if (chksum || nv->id[0] != 'I' || nv->id[1] != 'S' ||
1384 nv->id[2] != 'P' || nv->id[3] != ' ' || nv->nvram_version < 1) {
1385 /* Reset NVRAM data. */
1386 qla_printk(KERN_WARNING, ha, "Inconsistent NVRAM detected: "
1387 "checksum=0x%x id=%c version=0x%x.\n", chksum, nv->id[0],
1388 nv->nvram_version);
1389 qla_printk(KERN_WARNING, ha, "Falling back to functioning (yet "
1390 "invalid -- WWPN) defaults.\n");
1391
1392 /*
1393 * Set default initialization control block.
1394 */
1395 memset(nv, 0, ha->nvram_size);
1396 nv->parameter_block_version = ICB_VERSION;
1397
1398 if (IS_QLA23XX(ha)) {
1399 nv->firmware_options[0] = BIT_2 | BIT_1;
1400 nv->firmware_options[1] = BIT_7 | BIT_5;
1401 nv->add_firmware_options[0] = BIT_5;
1402 nv->add_firmware_options[1] = BIT_5 | BIT_4;
1403 nv->frame_payload_size = __constant_cpu_to_le16(2048);
1404 nv->special_options[1] = BIT_7;
1405 } else if (IS_QLA2200(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(1024);
1411 } else if (IS_QLA2100(ha)) {
1412 nv->firmware_options[0] = BIT_3 | BIT_1;
1413 nv->firmware_options[1] = BIT_5;
1414 nv->frame_payload_size = __constant_cpu_to_le16(1024);
1415 }
1416
1417 nv->max_iocb_allocation = __constant_cpu_to_le16(256);
1418 nv->execution_throttle = __constant_cpu_to_le16(16);
1419 nv->retry_count = 8;
1420 nv->retry_delay = 1;
1421
1422 nv->port_name[0] = 33;
1423 nv->port_name[3] = 224;
1424 nv->port_name[4] = 139;
1425
1426 nv->login_timeout = 4;
1427
1428 /*
1429 * Set default host adapter parameters
1430 */
1431 nv->host_p[1] = BIT_2;
1432 nv->reset_delay = 5;
1433 nv->port_down_retry_count = 8;
1434 nv->max_luns_per_target = __constant_cpu_to_le16(8);
1435 nv->link_down_timeout = 60;
1436
1437 rval = 1;
1438 }
1439
1440 #if defined(CONFIG_IA64_GENERIC) || defined(CONFIG_IA64_SGI_SN2)
1441 /*
1442 * The SN2 does not provide BIOS emulation which means you can't change
1443 * potentially bogus BIOS settings. Force the use of default settings
1444 * for link rate and frame size. Hope that the rest of the settings
1445 * are valid.
1446 */
1447 if (ia64_platform_is("sn2")) {
1448 nv->frame_payload_size = __constant_cpu_to_le16(2048);
1449 if (IS_QLA23XX(ha))
1450 nv->special_options[1] = BIT_7;
1451 }
1452 #endif
1453
1454 /* Reset Initialization control block */
1455 memset(icb, 0, ha->init_cb_size);
1456
1457 /*
1458 * Setup driver NVRAM options.
1459 */
1460 nv->firmware_options[0] |= (BIT_6 | BIT_1);
1461 nv->firmware_options[0] &= ~(BIT_5 | BIT_4);
1462 nv->firmware_options[1] |= (BIT_5 | BIT_0);
1463 nv->firmware_options[1] &= ~BIT_4;
1464
1465 if (IS_QLA23XX(ha)) {
1466 nv->firmware_options[0] |= BIT_2;
1467 nv->firmware_options[0] &= ~BIT_3;
1468 nv->add_firmware_options[1] |= BIT_5 | BIT_4;
1469
1470 if (IS_QLA2300(ha)) {
1471 if (ha->fb_rev == FPM_2310) {
1472 strcpy(ha->model_number, "QLA2310");
1473 } else {
1474 strcpy(ha->model_number, "QLA2300");
1475 }
1476 } else {
1477 if (rval == 0 &&
1478 memcmp(nv->model_number, BINZERO,
1479 sizeof(nv->model_number)) != 0) {
1480 char *st, *en;
1481
1482 strncpy(ha->model_number, nv->model_number,
1483 sizeof(nv->model_number));
1484 st = en = ha->model_number;
1485 en += sizeof(nv->model_number) - 1;
1486 while (en > st) {
1487 if (*en != 0x20 && *en != 0x00)
1488 break;
1489 *en-- = '\0';
1490 }
1491 } else {
1492 uint16_t index;
1493
1494 index = (ha->pdev->subsystem_device & 0xff);
1495 if (index < QLA_MODEL_NAMES) {
1496 strcpy(ha->model_number,
1497 qla2x00_model_name[index]);
1498 ha->model_desc =
1499 qla2x00_model_desc[index];
1500 } else {
1501 strcpy(ha->model_number, "QLA23xx");
1502 }
1503 }
1504 }
1505 } else if (IS_QLA2200(ha)) {
1506 nv->firmware_options[0] |= BIT_2;
1507 /*
1508 * 'Point-to-point preferred, else loop' is not a safe
1509 * connection mode setting.
1510 */
1511 if ((nv->add_firmware_options[0] & (BIT_6 | BIT_5 | BIT_4)) ==
1512 (BIT_5 | BIT_4)) {
1513 /* Force 'loop preferred, else point-to-point'. */
1514 nv->add_firmware_options[0] &= ~(BIT_6 | BIT_5 | BIT_4);
1515 nv->add_firmware_options[0] |= BIT_5;
1516 }
1517 strcpy(ha->model_number, "QLA22xx");
1518 } else /*if (IS_QLA2100(ha))*/ {
1519 strcpy(ha->model_number, "QLA2100");
1520 }
1521
1522 /*
1523 * Copy over NVRAM RISC parameter block to initialization control block.
1524 */
1525 dptr1 = (uint8_t *)icb;
1526 dptr2 = (uint8_t *)&nv->parameter_block_version;
1527 cnt = (uint8_t *)&icb->request_q_outpointer - (uint8_t *)&icb->version;
1528 while (cnt--)
1529 *dptr1++ = *dptr2++;
1530
1531 /* Copy 2nd half. */
1532 dptr1 = (uint8_t *)icb->add_firmware_options;
1533 cnt = (uint8_t *)icb->reserved_3 - (uint8_t *)icb->add_firmware_options;
1534 while (cnt--)
1535 *dptr1++ = *dptr2++;
1536
1537 /* Prepare nodename */
1538 if ((icb->firmware_options[1] & BIT_6) == 0) {
1539 /*
1540 * Firmware will apply the following mask if the nodename was
1541 * not provided.
1542 */
1543 memcpy(icb->node_name, icb->port_name, WWN_SIZE);
1544 icb->node_name[0] &= 0xF0;
1545 }
1546
1547 /*
1548 * Set host adapter parameters.
1549 */
1550 ha->flags.disable_risc_code_load = ((nv->host_p[0] & BIT_4) ? 1 : 0);
1551 /* Always load RISC code on non ISP2[12]00 chips. */
1552 if (!IS_QLA2100(ha) && !IS_QLA2200(ha))
1553 ha->flags.disable_risc_code_load = 0;
1554 ha->flags.enable_lip_reset = ((nv->host_p[1] & BIT_1) ? 1 : 0);
1555 ha->flags.enable_lip_full_login = ((nv->host_p[1] & BIT_2) ? 1 : 0);
1556 ha->flags.enable_target_reset = ((nv->host_p[1] & BIT_3) ? 1 : 0);
1557 ha->flags.enable_led_scheme = (nv->special_options[1] & BIT_4) ? 1 : 0;
1558
1559 ha->operating_mode =
1560 (icb->add_firmware_options[0] & (BIT_6 | BIT_5 | BIT_4)) >> 4;
1561
1562 memcpy(ha->fw_seriallink_options, nv->seriallink_options,
1563 sizeof(ha->fw_seriallink_options));
1564
1565 /* save HBA serial number */
1566 ha->serial0 = icb->port_name[5];
1567 ha->serial1 = icb->port_name[6];
1568 ha->serial2 = icb->port_name[7];
1569 ha->node_name = icb->node_name;
1570 ha->port_name = icb->port_name;
1571
1572 icb->execution_throttle = __constant_cpu_to_le16(0xFFFF);
1573
1574 ha->retry_count = nv->retry_count;
1575
1576 /* Set minimum login_timeout to 4 seconds. */
1577 if (nv->login_timeout < ql2xlogintimeout)
1578 nv->login_timeout = ql2xlogintimeout;
1579 if (nv->login_timeout < 4)
1580 nv->login_timeout = 4;
1581 ha->login_timeout = nv->login_timeout;
1582 icb->login_timeout = nv->login_timeout;
1583
1584 /* Set minimum RATOV to 200 tenths of a second. */
1585 ha->r_a_tov = 200;
1586
1587 ha->loop_reset_delay = nv->reset_delay;
1588
1589 /* Link Down Timeout = 0:
1590 *
1591 * When Port Down timer expires we will start returning
1592 * I/O's to OS with "DID_NO_CONNECT".
1593 *
1594 * Link Down Timeout != 0:
1595 *
1596 * The driver waits for the link to come up after link down
1597 * before returning I/Os to OS with "DID_NO_CONNECT".
1598 */
1599 if (nv->link_down_timeout == 0) {
1600 ha->loop_down_abort_time =
1601 (LOOP_DOWN_TIME - LOOP_DOWN_TIMEOUT);
1602 } else {
1603 ha->link_down_timeout = nv->link_down_timeout;
1604 ha->loop_down_abort_time =
1605 (LOOP_DOWN_TIME - ha->link_down_timeout);
1606 }
1607
1608 /*
1609 * Need enough time to try and get the port back.
1610 */
1611 ha->port_down_retry_count = nv->port_down_retry_count;
1612 if (qlport_down_retry)
1613 ha->port_down_retry_count = qlport_down_retry;
1614 /* Set login_retry_count */
1615 ha->login_retry_count = nv->retry_count;
1616 if (ha->port_down_retry_count == nv->port_down_retry_count &&
1617 ha->port_down_retry_count > 3)
1618 ha->login_retry_count = ha->port_down_retry_count;
1619 else if (ha->port_down_retry_count > (int)ha->login_retry_count)
1620 ha->login_retry_count = ha->port_down_retry_count;
1621 if (ql2xloginretrycount)
1622 ha->login_retry_count = ql2xloginretrycount;
1623
1624 icb->lun_enables = __constant_cpu_to_le16(0);
1625 icb->command_resource_count = 0;
1626 icb->immediate_notify_resource_count = 0;
1627 icb->timeout = __constant_cpu_to_le16(0);
1628
1629 if (IS_QLA2100(ha) || IS_QLA2200(ha)) {
1630 /* Enable RIO */
1631 icb->firmware_options[0] &= ~BIT_3;
1632 icb->add_firmware_options[0] &=
1633 ~(BIT_3 | BIT_2 | BIT_1 | BIT_0);
1634 icb->add_firmware_options[0] |= BIT_2;
1635 icb->response_accumulation_timer = 3;
1636 icb->interrupt_delay_timer = 5;
1637
1638 ha->flags.process_response_queue = 1;
1639 } else {
1640 /* Enable ZIO. */
1641 if (!ha->flags.init_done) {
1642 ha->zio_mode = icb->add_firmware_options[0] &
1643 (BIT_3 | BIT_2 | BIT_1 | BIT_0);
1644 ha->zio_timer = icb->interrupt_delay_timer ?
1645 icb->interrupt_delay_timer: 2;
1646 }
1647 icb->add_firmware_options[0] &=
1648 ~(BIT_3 | BIT_2 | BIT_1 | BIT_0);
1649 ha->flags.process_response_queue = 0;
1650 if (ha->zio_mode != QLA_ZIO_DISABLED) {
1651 DEBUG2(printk("scsi(%ld): ZIO mode %d enabled; timer "
1652 "delay (%d us).\n", ha->host_no, ha->zio_mode,
1653 ha->zio_timer * 100));
1654 qla_printk(KERN_INFO, ha,
1655 "ZIO mode %d enabled; timer delay (%d us).\n",
1656 ha->zio_mode, ha->zio_timer * 100);
1657
1658 icb->add_firmware_options[0] |= (uint8_t)ha->zio_mode;
1659 icb->interrupt_delay_timer = (uint8_t)ha->zio_timer;
1660 ha->flags.process_response_queue = 1;
1661 }
1662 }
1663
1664 if (rval) {
1665 DEBUG2_3(printk(KERN_WARNING
1666 "scsi(%ld): NVRAM configuration failed!\n", ha->host_no));
1667 }
1668 return (rval);
1669 }
1670
1671 static void
1672 qla2x00_rport_add(void *data)
1673 {
1674 fc_port_t *fcport = data;
1675
1676 qla2x00_reg_remote_port(fcport->ha, fcport);
1677 }
1678
1679 static void
1680 qla2x00_rport_del(void *data)
1681 {
1682 fc_port_t *fcport = data;
1683
1684 if (fcport->rport)
1685 fc_remote_port_delete(fcport->rport);
1686 fcport->rport = NULL;
1687 }
1688
1689 /**
1690 * qla2x00_alloc_fcport() - Allocate a generic fcport.
1691 * @ha: HA context
1692 * @flags: allocation flags
1693 *
1694 * Returns a pointer to the allocated fcport, or NULL, if none available.
1695 */
1696 fc_port_t *
1697 qla2x00_alloc_fcport(scsi_qla_host_t *ha, gfp_t flags)
1698 {
1699 fc_port_t *fcport;
1700
1701 fcport = kmalloc(sizeof(fc_port_t), flags);
1702 if (fcport == NULL)
1703 return (fcport);
1704
1705 /* Setup fcport template structure. */
1706 memset(fcport, 0, sizeof (fc_port_t));
1707 fcport->ha = ha;
1708 fcport->port_type = FCT_UNKNOWN;
1709 fcport->loop_id = FC_NO_LOOP_ID;
1710 fcport->iodesc_idx_sent = IODESC_INVALID_INDEX;
1711 atomic_set(&fcport->state, FCS_UNCONFIGURED);
1712 fcport->flags = FCF_RLC_SUPPORT;
1713 fcport->supported_classes = FC_COS_UNSPECIFIED;
1714 INIT_WORK(&fcport->rport_add_work, qla2x00_rport_add, fcport);
1715 INIT_WORK(&fcport->rport_del_work, qla2x00_rport_del, fcport);
1716
1717 return (fcport);
1718 }
1719
1720 /*
1721 * qla2x00_configure_loop
1722 * Updates Fibre Channel Device Database with what is actually on loop.
1723 *
1724 * Input:
1725 * ha = adapter block pointer.
1726 *
1727 * Returns:
1728 * 0 = success.
1729 * 1 = error.
1730 * 2 = database was full and device was not configured.
1731 */
1732 static int
1733 qla2x00_configure_loop(scsi_qla_host_t *ha)
1734 {
1735 int rval;
1736 unsigned long flags, save_flags;
1737
1738 rval = QLA_SUCCESS;
1739
1740 /* Get Initiator ID */
1741 if (test_bit(LOCAL_LOOP_UPDATE, &ha->dpc_flags)) {
1742 rval = qla2x00_configure_hba(ha);
1743 if (rval != QLA_SUCCESS) {
1744 DEBUG(printk("scsi(%ld): Unable to configure HBA.\n",
1745 ha->host_no));
1746 return (rval);
1747 }
1748 }
1749
1750 save_flags = flags = ha->dpc_flags;
1751 DEBUG(printk("scsi(%ld): Configure loop -- dpc flags =0x%lx\n",
1752 ha->host_no, flags));
1753
1754 /*
1755 * If we have both an RSCN and PORT UPDATE pending then handle them
1756 * both at the same time.
1757 */
1758 clear_bit(LOCAL_LOOP_UPDATE, &ha->dpc_flags);
1759 clear_bit(RSCN_UPDATE, &ha->dpc_flags);
1760
1761 /* Determine what we need to do */
1762 if (ha->current_topology == ISP_CFG_FL &&
1763 (test_bit(LOCAL_LOOP_UPDATE, &flags))) {
1764
1765 ha->flags.rscn_queue_overflow = 1;
1766 set_bit(RSCN_UPDATE, &flags);
1767
1768 } else if (ha->current_topology == ISP_CFG_F &&
1769 (test_bit(LOCAL_LOOP_UPDATE, &flags))) {
1770
1771 ha->flags.rscn_queue_overflow = 1;
1772 set_bit(RSCN_UPDATE, &flags);
1773 clear_bit(LOCAL_LOOP_UPDATE, &flags);
1774
1775 } else if (!ha->flags.online ||
1776 (test_bit(ABORT_ISP_ACTIVE, &flags))) {
1777
1778 ha->flags.rscn_queue_overflow = 1;
1779 set_bit(RSCN_UPDATE, &flags);
1780 set_bit(LOCAL_LOOP_UPDATE, &flags);
1781 }
1782
1783 if (test_bit(LOCAL_LOOP_UPDATE, &flags)) {
1784 if (test_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags)) {
1785 rval = QLA_FUNCTION_FAILED;
1786 } else {
1787 rval = qla2x00_configure_local_loop(ha);
1788 }
1789 }
1790
1791 if (rval == QLA_SUCCESS && test_bit(RSCN_UPDATE, &flags)) {
1792 if (test_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags)) {
1793 rval = QLA_FUNCTION_FAILED;
1794 } else {
1795 rval = qla2x00_configure_fabric(ha);
1796 }
1797 }
1798
1799 if (rval == QLA_SUCCESS) {
1800 if (atomic_read(&ha->loop_down_timer) ||
1801 test_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags)) {
1802 rval = QLA_FUNCTION_FAILED;
1803 } else {
1804 atomic_set(&ha->loop_state, LOOP_READY);
1805
1806 DEBUG(printk("scsi(%ld): LOOP READY\n", ha->host_no));
1807 }
1808 }
1809
1810 if (rval) {
1811 DEBUG2_3(printk("%s(%ld): *** FAILED ***\n",
1812 __func__, ha->host_no));
1813 } else {
1814 DEBUG3(printk("%s: exiting normally\n", __func__));
1815 }
1816
1817 /* Restore state if a resync event occured during processing */
1818 if (test_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags)) {
1819 if (test_bit(LOCAL_LOOP_UPDATE, &save_flags))
1820 set_bit(LOCAL_LOOP_UPDATE, &ha->dpc_flags);
1821 if (test_bit(RSCN_UPDATE, &save_flags))
1822 set_bit(RSCN_UPDATE, &ha->dpc_flags);
1823 }
1824
1825 return (rval);
1826 }
1827
1828
1829
1830 /*
1831 * qla2x00_configure_local_loop
1832 * Updates Fibre Channel Device Database with local loop devices.
1833 *
1834 * Input:
1835 * ha = adapter block pointer.
1836 *
1837 * Returns:
1838 * 0 = success.
1839 */
1840 static int
1841 qla2x00_configure_local_loop(scsi_qla_host_t *ha)
1842 {
1843 int rval, rval2;
1844 int found_devs;
1845 int found;
1846 fc_port_t *fcport, *new_fcport;
1847
1848 uint16_t index;
1849 uint16_t entries;
1850 char *id_iter;
1851 uint16_t loop_id;
1852 uint8_t domain, area, al_pa;
1853
1854 found_devs = 0;
1855 new_fcport = NULL;
1856 entries = MAX_FIBRE_DEVICES;
1857
1858 DEBUG3(printk("scsi(%ld): Getting FCAL position map\n", ha->host_no));
1859 DEBUG3(qla2x00_get_fcal_position_map(ha, NULL));
1860
1861 /* Get list of logged in devices. */
1862 memset(ha->gid_list, 0, GID_LIST_SIZE);
1863 rval = qla2x00_get_id_list(ha, ha->gid_list, ha->gid_list_dma,
1864 &entries);
1865 if (rval != QLA_SUCCESS)
1866 goto cleanup_allocation;
1867
1868 DEBUG3(printk("scsi(%ld): Entries in ID list (%d)\n",
1869 ha->host_no, entries));
1870 DEBUG3(qla2x00_dump_buffer((uint8_t *)ha->gid_list,
1871 entries * sizeof(struct gid_list_info)));
1872
1873 /* Allocate temporary fcport for any new fcports discovered. */
1874 new_fcport = qla2x00_alloc_fcport(ha, GFP_KERNEL);
1875 if (new_fcport == NULL) {
1876 rval = QLA_MEMORY_ALLOC_FAILED;
1877 goto cleanup_allocation;
1878 }
1879 new_fcport->flags &= ~FCF_FABRIC_DEVICE;
1880
1881 /*
1882 * Mark local devices that were present with FCF_DEVICE_LOST for now.
1883 */
1884 list_for_each_entry(fcport, &ha->fcports, list) {
1885 if (atomic_read(&fcport->state) == FCS_ONLINE &&
1886 fcport->port_type != FCT_BROADCAST &&
1887 (fcport->flags & FCF_FABRIC_DEVICE) == 0) {
1888
1889 DEBUG(printk("scsi(%ld): Marking port lost, "
1890 "loop_id=0x%04x\n",
1891 ha->host_no, fcport->loop_id));
1892
1893 atomic_set(&fcport->state, FCS_DEVICE_LOST);
1894 fcport->flags &= ~FCF_FARP_DONE;
1895 }
1896 }
1897
1898 /* Add devices to port list. */
1899 id_iter = (char *)ha->gid_list;
1900 for (index = 0; index < entries; index++) {
1901 domain = ((struct gid_list_info *)id_iter)->domain;
1902 area = ((struct gid_list_info *)id_iter)->area;
1903 al_pa = ((struct gid_list_info *)id_iter)->al_pa;
1904 if (IS_QLA2100(ha) || IS_QLA2200(ha))
1905 loop_id = (uint16_t)
1906 ((struct gid_list_info *)id_iter)->loop_id_2100;
1907 else
1908 loop_id = le16_to_cpu(
1909 ((struct gid_list_info *)id_iter)->loop_id);
1910 id_iter += ha->gid_list_info_size;
1911
1912 /* Bypass reserved domain fields. */
1913 if ((domain & 0xf0) == 0xf0)
1914 continue;
1915
1916 /* Bypass if not same domain and area of adapter. */
1917 if (area && domain &&
1918 (area != ha->d_id.b.area || domain != ha->d_id.b.domain))
1919 continue;
1920
1921 /* Bypass invalid local loop ID. */
1922 if (loop_id > LAST_LOCAL_LOOP_ID)
1923 continue;
1924
1925 /* Fill in member data. */
1926 new_fcport->d_id.b.domain = domain;
1927 new_fcport->d_id.b.area = area;
1928 new_fcport->d_id.b.al_pa = al_pa;
1929 new_fcport->loop_id = loop_id;
1930 rval2 = qla2x00_get_port_database(ha, new_fcport, 0);
1931 if (rval2 != QLA_SUCCESS) {
1932 DEBUG2(printk("scsi(%ld): Failed to retrieve fcport "
1933 "information -- get_port_database=%x, "
1934 "loop_id=0x%04x\n",
1935 ha->host_no, rval2, new_fcport->loop_id));
1936 continue;
1937 }
1938
1939 /* Check for matching device in port list. */
1940 found = 0;
1941 fcport = NULL;
1942 list_for_each_entry(fcport, &ha->fcports, list) {
1943 if (memcmp(new_fcport->port_name, fcport->port_name,
1944 WWN_SIZE))
1945 continue;
1946
1947 fcport->flags &= ~(FCF_FABRIC_DEVICE |
1948 FCF_PERSISTENT_BOUND);
1949 fcport->loop_id = new_fcport->loop_id;
1950 fcport->port_type = new_fcport->port_type;
1951 fcport->d_id.b24 = new_fcport->d_id.b24;
1952 memcpy(fcport->node_name, new_fcport->node_name,
1953 WWN_SIZE);
1954
1955 found++;
1956 break;
1957 }
1958
1959 if (!found) {
1960 /* New device, add to fcports list. */
1961 new_fcport->flags &= ~FCF_PERSISTENT_BOUND;
1962 list_add_tail(&new_fcport->list, &ha->fcports);
1963
1964 /* Allocate a new replacement fcport. */
1965 fcport = new_fcport;
1966 new_fcport = qla2x00_alloc_fcport(ha, GFP_KERNEL);
1967 if (new_fcport == NULL) {
1968 rval = QLA_MEMORY_ALLOC_FAILED;
1969 goto cleanup_allocation;
1970 }
1971 new_fcport->flags &= ~FCF_FABRIC_DEVICE;
1972 }
1973
1974 qla2x00_update_fcport(ha, fcport);
1975
1976 found_devs++;
1977 }
1978
1979 cleanup_allocation:
1980 kfree(new_fcport);
1981
1982 if (rval != QLA_SUCCESS) {
1983 DEBUG2(printk("scsi(%ld): Configure local loop error exit: "
1984 "rval=%x\n", ha->host_no, rval));
1985 }
1986
1987 if (found_devs) {
1988 ha->device_flags |= DFLG_LOCAL_DEVICES;
1989 ha->device_flags &= ~DFLG_RETRY_LOCAL_DEVICES;
1990 }
1991
1992 return (rval);
1993 }
1994
1995 static void
1996 qla2x00_probe_for_all_luns(scsi_qla_host_t *ha)
1997 {
1998 fc_port_t *fcport;
1999
2000 qla2x00_mark_all_devices_lost(ha);
2001 list_for_each_entry(fcport, &ha->fcports, list) {
2002 if (fcport->port_type != FCT_TARGET)
2003 continue;
2004
2005 qla2x00_update_fcport(ha, fcport);
2006 }
2007 }
2008
2009 /*
2010 * qla2x00_update_fcport
2011 * Updates device on list.
2012 *
2013 * Input:
2014 * ha = adapter block pointer.
2015 * fcport = port structure pointer.
2016 *
2017 * Return:
2018 * 0 - Success
2019 * BIT_0 - error
2020 *
2021 * Context:
2022 * Kernel context.
2023 */
2024 static void
2025 qla2x00_update_fcport(scsi_qla_host_t *ha, fc_port_t *fcport)
2026 {
2027 uint16_t index;
2028 unsigned long flags;
2029 srb_t *sp;
2030
2031 fcport->ha = ha;
2032 fcport->login_retry = 0;
2033 fcport->port_login_retry_count = ha->port_down_retry_count *
2034 PORT_RETRY_TIME;
2035 atomic_set(&fcport->port_down_timer, ha->port_down_retry_count *
2036 PORT_RETRY_TIME);
2037 fcport->flags &= ~FCF_LOGIN_NEEDED;
2038
2039 /*
2040 * Check for outstanding cmd on tape Bypass LUN discovery if active
2041 * command on tape.
2042 */
2043 if (fcport->flags & FCF_TAPE_PRESENT) {
2044 spin_lock_irqsave(&ha->hardware_lock, flags);
2045 for (index = 1; index < MAX_OUTSTANDING_COMMANDS; index++) {
2046 fc_port_t *sfcp;
2047
2048 if ((sp = ha->outstanding_cmds[index]) != 0) {
2049 sfcp = sp->fcport;
2050 if (sfcp == fcport) {
2051 atomic_set(&fcport->state, FCS_ONLINE);
2052 spin_unlock_irqrestore(
2053 &ha->hardware_lock, flags);
2054 return;
2055 }
2056 }
2057 }
2058 spin_unlock_irqrestore(&ha->hardware_lock, flags);
2059 }
2060
2061 if (fcport->port_type == FCT_INITIATOR ||
2062 fcport->port_type == FCT_BROADCAST)
2063 fcport->device_type = TYPE_PROCESSOR;
2064
2065 atomic_set(&fcport->state, FCS_ONLINE);
2066
2067 if (ha->flags.init_done)
2068 qla2x00_reg_remote_port(ha, fcport);
2069 }
2070
2071 void
2072 qla2x00_reg_remote_port(scsi_qla_host_t *ha, fc_port_t *fcport)
2073 {
2074 struct fc_rport_identifiers rport_ids;
2075 struct fc_rport *rport;
2076
2077 if (fcport->rport) {
2078 fc_remote_port_delete(fcport->rport);
2079 fcport->rport = NULL;
2080 }
2081
2082 rport_ids.node_name = wwn_to_u64(fcport->node_name);
2083 rport_ids.port_name = wwn_to_u64(fcport->port_name);
2084 rport_ids.port_id = fcport->d_id.b.domain << 16 |
2085 fcport->d_id.b.area << 8 | fcport->d_id.b.al_pa;
2086 rport_ids.roles = FC_RPORT_ROLE_UNKNOWN;
2087 fcport->rport = rport = fc_remote_port_add(ha->host, 0, &rport_ids);
2088 if (!rport) {
2089 qla_printk(KERN_WARNING, ha,
2090 "Unable to allocate fc remote port!\n");
2091 return;
2092 }
2093 *((fc_port_t **)rport->dd_data) = fcport;
2094 rport->supported_classes = fcport->supported_classes;
2095
2096 rport_ids.roles = FC_RPORT_ROLE_UNKNOWN;
2097 if (fcport->port_type == FCT_INITIATOR)
2098 rport_ids.roles |= FC_RPORT_ROLE_FCP_INITIATOR;
2099 if (fcport->port_type == FCT_TARGET)
2100 rport_ids.roles |= FC_RPORT_ROLE_FCP_TARGET;
2101 fc_remote_port_rolechg(rport, rport_ids.roles);
2102
2103 if (rport->scsi_target_id != -1 &&
2104 rport->scsi_target_id < ha->host->max_id)
2105 fcport->os_target_id = rport->scsi_target_id;
2106 }
2107
2108 /*
2109 * qla2x00_configure_fabric
2110 * Setup SNS devices with loop ID's.
2111 *
2112 * Input:
2113 * ha = adapter block pointer.
2114 *
2115 * Returns:
2116 * 0 = success.
2117 * BIT_0 = error
2118 */
2119 static int
2120 qla2x00_configure_fabric(scsi_qla_host_t *ha)
2121 {
2122 int rval, rval2;
2123 fc_port_t *fcport, *fcptemp;
2124 uint16_t next_loopid;
2125 uint16_t mb[MAILBOX_REGISTER_COUNT];
2126 uint16_t loop_id;
2127 LIST_HEAD(new_fcports);
2128
2129 /* If FL port exists, then SNS is present */
2130 if (IS_QLA24XX(ha) || IS_QLA25XX(ha))
2131 loop_id = NPH_F_PORT;
2132 else
2133 loop_id = SNS_FL_PORT;
2134 rval = qla2x00_get_port_name(ha, loop_id, NULL, 0);
2135 if (rval != QLA_SUCCESS) {
2136 DEBUG2(printk("scsi(%ld): MBC_GET_PORT_NAME Failed, No FL "
2137 "Port\n", ha->host_no));
2138
2139 ha->device_flags &= ~SWITCH_FOUND;
2140 return (QLA_SUCCESS);
2141 }
2142
2143 /* Mark devices that need re-synchronization. */
2144 rval2 = qla2x00_device_resync(ha);
2145 if (rval2 == QLA_RSCNS_HANDLED) {
2146 /* No point doing the scan, just continue. */
2147 return (QLA_SUCCESS);
2148 }
2149 do {
2150 /* FDMI support. */
2151 if (ql2xfdmienable &&
2152 test_and_clear_bit(REGISTER_FDMI_NEEDED, &ha->dpc_flags))
2153 qla2x00_fdmi_register(ha);
2154
2155 /* Ensure we are logged into the SNS. */
2156 if (IS_QLA24XX(ha) || IS_QLA25XX(ha))
2157 loop_id = NPH_SNS;
2158 else
2159 loop_id = SIMPLE_NAME_SERVER;
2160 ha->isp_ops.fabric_login(ha, loop_id, 0xff, 0xff,
2161 0xfc, mb, BIT_1 | BIT_0);
2162 if (mb[0] != MBS_COMMAND_COMPLETE) {
2163 DEBUG2(qla_printk(KERN_INFO, ha,
2164 "Failed SNS login: loop_id=%x mb[0]=%x mb[1]=%x "
2165 "mb[2]=%x mb[6]=%x mb[7]=%x\n", loop_id,
2166 mb[0], mb[1], mb[2], mb[6], mb[7]));
2167 return (QLA_SUCCESS);
2168 }
2169
2170 if (test_and_clear_bit(REGISTER_FC4_NEEDED, &ha->dpc_flags)) {
2171 if (qla2x00_rft_id(ha)) {
2172 /* EMPTY */
2173 DEBUG2(printk("scsi(%ld): Register FC-4 "
2174 "TYPE failed.\n", ha->host_no));
2175 }
2176 if (qla2x00_rff_id(ha)) {
2177 /* EMPTY */
2178 DEBUG2(printk("scsi(%ld): Register FC-4 "
2179 "Features failed.\n", ha->host_no));
2180 }
2181 if (qla2x00_rnn_id(ha)) {
2182 /* EMPTY */
2183 DEBUG2(printk("scsi(%ld): Register Node Name "
2184 "failed.\n", ha->host_no));
2185 } else if (qla2x00_rsnn_nn(ha)) {
2186 /* EMPTY */
2187 DEBUG2(printk("scsi(%ld): Register Symbolic "
2188 "Node Name failed.\n", ha->host_no));
2189 }
2190 }
2191
2192 rval = qla2x00_find_all_fabric_devs(ha, &new_fcports);
2193 if (rval != QLA_SUCCESS)
2194 break;
2195
2196 /*
2197 * Logout all previous fabric devices marked lost, except
2198 * tape devices.
2199 */
2200 list_for_each_entry(fcport, &ha->fcports, list) {
2201 if (test_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags))
2202 break;
2203
2204 if ((fcport->flags & FCF_FABRIC_DEVICE) == 0)
2205 continue;
2206
2207 if (atomic_read(&fcport->state) == FCS_DEVICE_LOST) {
2208 qla2x00_mark_device_lost(ha, fcport,
2209 ql2xplogiabsentdevice);
2210 if (fcport->loop_id != FC_NO_LOOP_ID &&
2211 (fcport->flags & FCF_TAPE_PRESENT) == 0 &&
2212 fcport->port_type != FCT_INITIATOR &&
2213 fcport->port_type != FCT_BROADCAST) {
2214
2215 ha->isp_ops.fabric_logout(ha,
2216 fcport->loop_id,
2217 fcport->d_id.b.domain,
2218 fcport->d_id.b.area,
2219 fcport->d_id.b.al_pa);
2220 fcport->loop_id = FC_NO_LOOP_ID;
2221 }
2222 }
2223 }
2224
2225 /* Starting free loop ID. */
2226 next_loopid = ha->min_external_loopid;
2227
2228 /*
2229 * Scan through our port list and login entries that need to be
2230 * logged in.
2231 */
2232 list_for_each_entry(fcport, &ha->fcports, list) {
2233 if (atomic_read(&ha->loop_down_timer) ||
2234 test_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags))
2235 break;
2236
2237 if ((fcport->flags & FCF_FABRIC_DEVICE) == 0 ||
2238 (fcport->flags & FCF_LOGIN_NEEDED) == 0)
2239 continue;
2240
2241 if (fcport->loop_id == FC_NO_LOOP_ID) {
2242 fcport->loop_id = next_loopid;
2243 rval = qla2x00_find_new_loop_id(ha, fcport);
2244 if (rval != QLA_SUCCESS) {
2245 /* Ran out of IDs to use */
2246 break;
2247 }
2248 }
2249 /* Login and update database */
2250 qla2x00_fabric_dev_login(ha, fcport, &next_loopid);
2251 }
2252
2253 /* Exit if out of loop IDs. */
2254 if (rval != QLA_SUCCESS) {
2255 break;
2256 }
2257
2258 /*
2259 * Login and add the new devices to our port list.
2260 */
2261 list_for_each_entry_safe(fcport, fcptemp, &new_fcports, list) {
2262 if (atomic_read(&ha->loop_down_timer) ||
2263 test_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags))
2264 break;
2265
2266 /* Find a new loop ID to use. */
2267 fcport->loop_id = next_loopid;
2268 rval = qla2x00_find_new_loop_id(ha, fcport);
2269 if (rval != QLA_SUCCESS) {
2270 /* Ran out of IDs to use */
2271 break;
2272 }
2273
2274 /* Remove device from the new list and add it to DB */
2275 list_del(&fcport->list);
2276 list_add_tail(&fcport->list, &ha->fcports);
2277
2278 /* Login and update database */
2279 qla2x00_fabric_dev_login(ha, fcport, &next_loopid);
2280 }
2281 } while (0);
2282
2283 /* Free all new device structures not processed. */
2284 list_for_each_entry_safe(fcport, fcptemp, &new_fcports, list) {
2285 list_del(&fcport->list);
2286 kfree(fcport);
2287 }
2288
2289 if (rval) {
2290 DEBUG2(printk("scsi(%ld): Configure fabric error exit: "
2291 "rval=%d\n", ha->host_no, rval));
2292 }
2293
2294 return (rval);
2295 }
2296
2297
2298 /*
2299 * qla2x00_find_all_fabric_devs
2300 *
2301 * Input:
2302 * ha = adapter block pointer.
2303 * dev = database device entry pointer.
2304 *
2305 * Returns:
2306 * 0 = success.
2307 *
2308 * Context:
2309 * Kernel context.
2310 */
2311 static int
2312 qla2x00_find_all_fabric_devs(scsi_qla_host_t *ha, struct list_head *new_fcports)
2313 {
2314 int rval;
2315 uint16_t loop_id;
2316 fc_port_t *fcport, *new_fcport, *fcptemp;
2317 int found;
2318
2319 sw_info_t *swl;
2320 int swl_idx;
2321 int first_dev, last_dev;
2322 port_id_t wrap, nxt_d_id;
2323
2324 rval = QLA_SUCCESS;
2325
2326 /* Try GID_PT to get device list, else GAN. */
2327 swl = kmalloc(sizeof(sw_info_t) * MAX_FIBRE_DEVICES, GFP_ATOMIC);
2328 if (swl == NULL) {
2329 /*EMPTY*/
2330 DEBUG2(printk("scsi(%ld): GID_PT allocations failed, fallback "
2331 "on GA_NXT\n", ha->host_no));
2332 } else {
2333 memset(swl, 0, sizeof(sw_info_t) * MAX_FIBRE_DEVICES);
2334 if (qla2x00_gid_pt(ha, swl) != QLA_SUCCESS) {
2335 kfree(swl);
2336 swl = NULL;
2337 } else if (qla2x00_gpn_id(ha, swl) != QLA_SUCCESS) {
2338 kfree(swl);
2339 swl = NULL;
2340 } else if (qla2x00_gnn_id(ha, swl) != QLA_SUCCESS) {
2341 kfree(swl);
2342 swl = NULL;
2343 }
2344 }
2345 swl_idx = 0;
2346
2347 /* Allocate temporary fcport for any new fcports discovered. */
2348 new_fcport = qla2x00_alloc_fcport(ha, GFP_KERNEL);
2349 if (new_fcport == NULL) {
2350 kfree(swl);
2351 return (QLA_MEMORY_ALLOC_FAILED);
2352 }
2353 new_fcport->flags |= (FCF_FABRIC_DEVICE | FCF_LOGIN_NEEDED);
2354
2355 /* Set start port ID scan at adapter ID. */
2356 first_dev = 1;
2357 last_dev = 0;
2358
2359 /* Starting free loop ID. */
2360 loop_id = ha->min_external_loopid;
2361 for (; loop_id <= ha->last_loop_id; loop_id++) {
2362 if (qla2x00_is_reserved_id(ha, loop_id))
2363 continue;
2364
2365 if (atomic_read(&ha->loop_down_timer) ||
2366 test_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags))
2367 break;
2368
2369 if (swl != NULL) {
2370 if (last_dev) {
2371 wrap.b24 = new_fcport->d_id.b24;
2372 } else {
2373 new_fcport->d_id.b24 = swl[swl_idx].d_id.b24;
2374 memcpy(new_fcport->node_name,
2375 swl[swl_idx].node_name, WWN_SIZE);
2376 memcpy(new_fcport->port_name,
2377 swl[swl_idx].port_name, WWN_SIZE);
2378
2379 if (swl[swl_idx].d_id.b.rsvd_1 != 0) {
2380 last_dev = 1;
2381 }
2382 swl_idx++;
2383 }
2384 } else {
2385 /* Send GA_NXT to the switch */
2386 rval = qla2x00_ga_nxt(ha, new_fcport);
2387 if (rval != QLA_SUCCESS) {
2388 qla_printk(KERN_WARNING, ha,
2389 "SNS scan failed -- assuming zero-entry "
2390 "result...\n");
2391 list_for_each_entry_safe(fcport, fcptemp,
2392 new_fcports, list) {
2393 list_del(&fcport->list);
2394 kfree(fcport);
2395 }
2396 rval = QLA_SUCCESS;
2397 break;
2398 }
2399 }
2400
2401 /* If wrap on switch device list, exit. */
2402 if (first_dev) {
2403 wrap.b24 = new_fcport->d_id.b24;
2404 first_dev = 0;
2405 } else if (new_fcport->d_id.b24 == wrap.b24) {
2406 DEBUG2(printk("scsi(%ld): device wrap (%02x%02x%02x)\n",
2407 ha->host_no, new_fcport->d_id.b.domain,
2408 new_fcport->d_id.b.area, new_fcport->d_id.b.al_pa));
2409 break;
2410 }
2411
2412 /* Bypass if host adapter. */
2413 if (new_fcport->d_id.b24 == ha->d_id.b24)
2414 continue;
2415
2416 /* Bypass if same domain and area of adapter. */
2417 if (((new_fcport->d_id.b24 & 0xffff00) ==
2418 (ha->d_id.b24 & 0xffff00)) && ha->current_topology ==
2419 ISP_CFG_FL)
2420 continue;
2421
2422 /* Bypass reserved domain fields. */
2423 if ((new_fcport->d_id.b.domain & 0xf0) == 0xf0)
2424 continue;
2425
2426 /* Locate matching device in database. */
2427 found = 0;
2428 list_for_each_entry(fcport, &ha->fcports, list) {
2429 if (memcmp(new_fcport->port_name, fcport->port_name,
2430 WWN_SIZE))
2431 continue;
2432
2433 found++;
2434
2435 /*
2436 * If address the same and state FCS_ONLINE, nothing
2437 * changed.
2438 */
2439 if (fcport->d_id.b24 == new_fcport->d_id.b24 &&
2440 atomic_read(&fcport->state) == FCS_ONLINE) {
2441 break;
2442 }
2443
2444 /*
2445 * If device was not a fabric device before.
2446 */
2447 if ((fcport->flags & FCF_FABRIC_DEVICE) == 0) {
2448 fcport->d_id.b24 = new_fcport->d_id.b24;
2449 fcport->loop_id = FC_NO_LOOP_ID;
2450 fcport->flags |= (FCF_FABRIC_DEVICE |
2451 FCF_LOGIN_NEEDED);
2452 fcport->flags &= ~FCF_PERSISTENT_BOUND;
2453 break;
2454 }
2455
2456 /*
2457 * Port ID changed or device was marked to be updated;
2458 * Log it out if still logged in and mark it for
2459 * relogin later.
2460 */
2461 fcport->d_id.b24 = new_fcport->d_id.b24;
2462 fcport->flags |= FCF_LOGIN_NEEDED;
2463 if (fcport->loop_id != FC_NO_LOOP_ID &&
2464 (fcport->flags & FCF_TAPE_PRESENT) == 0 &&
2465 fcport->port_type != FCT_INITIATOR &&
2466 fcport->port_type != FCT_BROADCAST) {
2467 ha->isp_ops.fabric_logout(ha, fcport->loop_id,
2468 fcport->d_id.b.domain, fcport->d_id.b.area,
2469 fcport->d_id.b.al_pa);
2470 fcport->loop_id = FC_NO_LOOP_ID;
2471 }
2472
2473 break;
2474 }
2475
2476 if (found)
2477 continue;
2478
2479 /* If device was not in our fcports list, then add it. */
2480 list_add_tail(&new_fcport->list, new_fcports);
2481
2482 /* Allocate a new replacement fcport. */
2483 nxt_d_id.b24 = new_fcport->d_id.b24;
2484 new_fcport = qla2x00_alloc_fcport(ha, GFP_KERNEL);
2485 if (new_fcport == NULL) {
2486 kfree(swl);
2487 return (QLA_MEMORY_ALLOC_FAILED);
2488 }
2489 new_fcport->flags |= (FCF_FABRIC_DEVICE | FCF_LOGIN_NEEDED);
2490 new_fcport->d_id.b24 = nxt_d_id.b24;
2491 }
2492
2493 kfree(swl);
2494 kfree(new_fcport);
2495
2496 if (!list_empty(new_fcports))
2497 ha->device_flags |= DFLG_FABRIC_DEVICES;
2498
2499 return (rval);
2500 }
2501
2502 /*
2503 * qla2x00_find_new_loop_id
2504 * Scan through our port list and find a new usable loop ID.
2505 *
2506 * Input:
2507 * ha: adapter state pointer.
2508 * dev: port structure pointer.
2509 *
2510 * Returns:
2511 * qla2x00 local function return status code.
2512 *
2513 * Context:
2514 * Kernel context.
2515 */
2516 int
2517 qla2x00_find_new_loop_id(scsi_qla_host_t *ha, fc_port_t *dev)
2518 {
2519 int rval;
2520 int found;
2521 fc_port_t *fcport;
2522 uint16_t first_loop_id;
2523
2524 rval = QLA_SUCCESS;
2525
2526 /* Save starting loop ID. */
2527 first_loop_id = dev->loop_id;
2528
2529 for (;;) {
2530 /* Skip loop ID if already used by adapter. */
2531 if (dev->loop_id == ha->loop_id) {
2532 dev->loop_id++;
2533 }
2534
2535 /* Skip reserved loop IDs. */
2536 while (qla2x00_is_reserved_id(ha, dev->loop_id)) {
2537 dev->loop_id++;
2538 }
2539
2540 /* Reset loop ID if passed the end. */
2541 if (dev->loop_id > ha->last_loop_id) {
2542 /* first loop ID. */
2543 dev->loop_id = ha->min_external_loopid;
2544 }
2545
2546 /* Check for loop ID being already in use. */
2547 found = 0;
2548 fcport = NULL;
2549 list_for_each_entry(fcport, &ha->fcports, list) {
2550 if (fcport->loop_id == dev->loop_id && fcport != dev) {
2551 /* ID possibly in use */
2552 found++;
2553 break;
2554 }
2555 }
2556
2557 /* If not in use then it is free to use. */
2558 if (!found) {
2559 break;
2560 }
2561
2562 /* ID in use. Try next value. */
2563 dev->loop_id++;
2564
2565 /* If wrap around. No free ID to use. */
2566 if (dev->loop_id == first_loop_id) {
2567 dev->loop_id = FC_NO_LOOP_ID;
2568 rval = QLA_FUNCTION_FAILED;
2569 break;
2570 }
2571 }
2572
2573 return (rval);
2574 }
2575
2576 /*
2577 * qla2x00_device_resync
2578 * Marks devices in the database that needs resynchronization.
2579 *
2580 * Input:
2581 * ha = adapter block pointer.
2582 *
2583 * Context:
2584 * Kernel context.
2585 */
2586 static int
2587 qla2x00_device_resync(scsi_qla_host_t *ha)
2588 {
2589 int rval;
2590 int rval2;
2591 uint32_t mask;
2592 fc_port_t *fcport;
2593 uint32_t rscn_entry;
2594 uint8_t rscn_out_iter;
2595 uint8_t format;
2596 port_id_t d_id;
2597
2598 rval = QLA_RSCNS_HANDLED;
2599
2600 while (ha->rscn_out_ptr != ha->rscn_in_ptr ||
2601 ha->flags.rscn_queue_overflow) {
2602
2603 rscn_entry = ha->rscn_queue[ha->rscn_out_ptr];
2604 format = MSB(MSW(rscn_entry));
2605 d_id.b.domain = LSB(MSW(rscn_entry));
2606 d_id.b.area = MSB(LSW(rscn_entry));
2607 d_id.b.al_pa = LSB(LSW(rscn_entry));
2608
2609 DEBUG(printk("scsi(%ld): RSCN queue entry[%d] = "
2610 "[%02x/%02x%02x%02x].\n",
2611 ha->host_no, ha->rscn_out_ptr, format, d_id.b.domain,
2612 d_id.b.area, d_id.b.al_pa));
2613
2614 ha->rscn_out_ptr++;
2615 if (ha->rscn_out_ptr == MAX_RSCN_COUNT)
2616 ha->rscn_out_ptr = 0;
2617
2618 /* Skip duplicate entries. */
2619 for (rscn_out_iter = ha->rscn_out_ptr;
2620 !ha->flags.rscn_queue_overflow &&
2621 rscn_out_iter != ha->rscn_in_ptr;
2622 rscn_out_iter = (rscn_out_iter ==
2623 (MAX_RSCN_COUNT - 1)) ? 0: rscn_out_iter + 1) {
2624
2625 if (rscn_entry != ha->rscn_queue[rscn_out_iter])
2626 break;
2627
2628 DEBUG(printk("scsi(%ld): Skipping duplicate RSCN queue "
2629 "entry found at [%d].\n", ha->host_no,
2630 rscn_out_iter));
2631
2632 ha->rscn_out_ptr = rscn_out_iter;
2633 }
2634
2635 /* Queue overflow, set switch default case. */
2636 if (ha->flags.rscn_queue_overflow) {
2637 DEBUG(printk("scsi(%ld): device_resync: rscn "
2638 "overflow.\n", ha->host_no));
2639
2640 format = 3;
2641 ha->flags.rscn_queue_overflow = 0;
2642 }
2643
2644 switch (format) {
2645 case 0:
2646 if (!IS_QLA2100(ha) && !IS_QLA2200(ha) &&
2647 !IS_QLA6312(ha) && !IS_QLA6322(ha) &&
2648 !IS_QLA24XX(ha) && !IS_QLA25XX(ha) &&
2649 ha->flags.init_done) {
2650 /* Handle port RSCN via asyncronous IOCBs */
2651 rval2 = qla2x00_handle_port_rscn(ha, rscn_entry,
2652 NULL, 0);
2653 if (rval2 == QLA_SUCCESS)
2654 continue;
2655 }
2656 mask = 0xffffff;
2657 break;
2658 case 1:
2659 mask = 0xffff00;
2660 break;
2661 case 2:
2662 mask = 0xff0000;
2663 break;
2664 default:
2665 mask = 0x0;
2666 d_id.b24 = 0;
2667 ha->rscn_out_ptr = ha->rscn_in_ptr;
2668 break;
2669 }
2670
2671 rval = QLA_SUCCESS;
2672
2673 /* Abort any outstanding IO descriptors. */
2674 if (!IS_QLA2100(ha) && !IS_QLA2200(ha))
2675 qla2x00_cancel_io_descriptors(ha);
2676
2677 list_for_each_entry(fcport, &ha->fcports, list) {
2678 if ((fcport->flags & FCF_FABRIC_DEVICE) == 0 ||
2679 (fcport->d_id.b24 & mask) != d_id.b24 ||
2680 fcport->port_type == FCT_BROADCAST)
2681 continue;
2682
2683 if (atomic_read(&fcport->state) == FCS_ONLINE) {
2684 if (format != 3 ||
2685 fcport->port_type != FCT_INITIATOR) {
2686 qla2x00_mark_device_lost(ha, fcport, 0);
2687 }
2688 }
2689 fcport->flags &= ~FCF_FARP_DONE;
2690 }
2691 }
2692 return (rval);
2693 }
2694
2695 /*
2696 * qla2x00_fabric_dev_login
2697 * Login fabric target device and update FC port database.
2698 *
2699 * Input:
2700 * ha: adapter state pointer.
2701 * fcport: port structure list pointer.
2702 * next_loopid: contains value of a new loop ID that can be used
2703 * by the next login attempt.
2704 *
2705 * Returns:
2706 * qla2x00 local function return status code.
2707 *
2708 * Context:
2709 * Kernel context.
2710 */
2711 static int
2712 qla2x00_fabric_dev_login(scsi_qla_host_t *ha, fc_port_t *fcport,
2713 uint16_t *next_loopid)
2714 {
2715 int rval;
2716 int retry;
2717 uint8_t opts;
2718
2719 rval = QLA_SUCCESS;
2720 retry = 0;
2721
2722 rval = qla2x00_fabric_login(ha, fcport, next_loopid);
2723 if (rval == QLA_SUCCESS) {
2724 /* Send an ADISC to tape devices.*/
2725 opts = 0;
2726 if (fcport->flags & FCF_TAPE_PRESENT)
2727 opts |= BIT_1;
2728 rval = qla2x00_get_port_database(ha, fcport, opts);
2729 if (rval != QLA_SUCCESS) {
2730 ha->isp_ops.fabric_logout(ha, fcport->loop_id,
2731 fcport->d_id.b.domain, fcport->d_id.b.area,
2732 fcport->d_id.b.al_pa);
2733 qla2x00_mark_device_lost(ha, fcport, 1);
2734
2735 } else {
2736 qla2x00_update_fcport(ha, fcport);
2737 }
2738 }
2739
2740 return (rval);
2741 }
2742
2743 /*
2744 * qla2x00_fabric_login
2745 * Issue fabric login command.
2746 *
2747 * Input:
2748 * ha = adapter block pointer.
2749 * device = pointer to FC device type structure.
2750 *
2751 * Returns:
2752 * 0 - Login successfully
2753 * 1 - Login failed
2754 * 2 - Initiator device
2755 * 3 - Fatal error
2756 */
2757 int
2758 qla2x00_fabric_login(scsi_qla_host_t *ha, fc_port_t *fcport,
2759 uint16_t *next_loopid)
2760 {
2761 int rval;
2762 int retry;
2763 uint16_t tmp_loopid;
2764 uint16_t mb[MAILBOX_REGISTER_COUNT];
2765
2766 retry = 0;
2767 tmp_loopid = 0;
2768
2769 for (;;) {
2770 DEBUG(printk("scsi(%ld): Trying Fabric Login w/loop id 0x%04x "
2771 "for port %02x%02x%02x.\n",
2772 ha->host_no, fcport->loop_id, fcport->d_id.b.domain,
2773 fcport->d_id.b.area, fcport->d_id.b.al_pa));
2774
2775 /* Login fcport on switch. */
2776 ha->isp_ops.fabric_login(ha, fcport->loop_id,
2777 fcport->d_id.b.domain, fcport->d_id.b.area,
2778 fcport->d_id.b.al_pa, mb, BIT_0);
2779 if (mb[0] == MBS_PORT_ID_USED) {
2780 /*
2781 * Device has another loop ID. The firmware team
2782 * recommends the driver perform an implicit login with
2783 * the specified ID again. The ID we just used is save
2784 * here so we return with an ID that can be tried by
2785 * the next login.
2786 */
2787 retry++;
2788 tmp_loopid = fcport->loop_id;
2789 fcport->loop_id = mb[1];
2790
2791 DEBUG(printk("Fabric Login: port in use - next "
2792 "loop id=0x%04x, port Id=%02x%02x%02x.\n",
2793 fcport->loop_id, fcport->d_id.b.domain,
2794 fcport->d_id.b.area, fcport->d_id.b.al_pa));
2795
2796 } else if (mb[0] == MBS_COMMAND_COMPLETE) {
2797 /*
2798 * Login succeeded.
2799 */
2800 if (retry) {
2801 /* A retry occurred before. */
2802 *next_loopid = tmp_loopid;
2803 } else {
2804 /*
2805 * No retry occurred before. Just increment the
2806 * ID value for next login.
2807 */
2808 *next_loopid = (fcport->loop_id + 1);
2809 }
2810
2811 if (mb[1] & BIT_0) {
2812 fcport->port_type = FCT_INITIATOR;
2813 } else {
2814 fcport->port_type = FCT_TARGET;
2815 if (mb[1] & BIT_1) {
2816 fcport->flags |= FCF_TAPE_PRESENT;
2817 }
2818 }
2819
2820 if (mb[10] & BIT_0)
2821 fcport->supported_classes |= FC_COS_CLASS2;
2822 if (mb[10] & BIT_1)
2823 fcport->supported_classes |= FC_COS_CLASS3;
2824
2825 rval = QLA_SUCCESS;
2826 break;
2827 } else if (mb[0] == MBS_LOOP_ID_USED) {
2828 /*
2829 * Loop ID already used, try next loop ID.
2830 */
2831 fcport->loop_id++;
2832 rval = qla2x00_find_new_loop_id(ha, fcport);
2833 if (rval != QLA_SUCCESS) {
2834 /* Ran out of loop IDs to use */
2835 break;
2836 }
2837 } else if (mb[0] == MBS_COMMAND_ERROR) {
2838 /*
2839 * Firmware possibly timed out during login. If NO
2840 * retries are left to do then the device is declared
2841 * dead.
2842 */
2843 *next_loopid = fcport->loop_id;
2844 ha->isp_ops.fabric_logout(ha, fcport->loop_id,
2845 fcport->d_id.b.domain, fcport->d_id.b.area,
2846 fcport->d_id.b.al_pa);
2847 qla2x00_mark_device_lost(ha, fcport, 1);
2848
2849 rval = 1;
2850 break;
2851 } else {
2852 /*
2853 * unrecoverable / not handled error
2854 */
2855 DEBUG2(printk("%s(%ld): failed=%x port_id=%02x%02x%02x "
2856 "loop_id=%x jiffies=%lx.\n",
2857 __func__, ha->host_no, mb[0],
2858 fcport->d_id.b.domain, fcport->d_id.b.area,
2859 fcport->d_id.b.al_pa, fcport->loop_id, jiffies));
2860
2861 *next_loopid = fcport->loop_id;
2862 ha->isp_ops.fabric_logout(ha, fcport->loop_id,
2863 fcport->d_id.b.domain, fcport->d_id.b.area,
2864 fcport->d_id.b.al_pa);
2865 fcport->loop_id = FC_NO_LOOP_ID;
2866 fcport->login_retry = 0;
2867
2868 rval = 3;
2869 break;
2870 }
2871 }
2872
2873 return (rval);
2874 }
2875
2876 /*
2877 * qla2x00_local_device_login
2878 * Issue local device login command.
2879 *
2880 * Input:
2881 * ha = adapter block pointer.
2882 * loop_id = loop id of device to login to.
2883 *
2884 * Returns (Where's the #define!!!!):
2885 * 0 - Login successfully
2886 * 1 - Login failed
2887 * 3 - Fatal error
2888 */
2889 int
2890 qla2x00_local_device_login(scsi_qla_host_t *ha, uint16_t loop_id)
2891 {
2892 int rval;
2893 uint16_t mb[MAILBOX_REGISTER_COUNT];
2894
2895 memset(mb, 0, sizeof(mb));
2896 rval = qla2x00_login_local_device(ha, loop_id, mb, BIT_0);
2897 if (rval == QLA_SUCCESS) {
2898 /* Interrogate mailbox registers for any errors */
2899 if (mb[0] == MBS_COMMAND_ERROR)
2900 rval = 1;
2901 else if (mb[0] == MBS_COMMAND_PARAMETER_ERROR)
2902 /* device not in PCB table */
2903 rval = 3;
2904 }
2905
2906 return (rval);
2907 }
2908
2909 /*
2910 * qla2x00_loop_resync
2911 * Resync with fibre channel devices.
2912 *
2913 * Input:
2914 * ha = adapter block pointer.
2915 *
2916 * Returns:
2917 * 0 = success
2918 */
2919 int
2920 qla2x00_loop_resync(scsi_qla_host_t *ha)
2921 {
2922 int rval;
2923 uint32_t wait_time;
2924
2925 rval = QLA_SUCCESS;
2926
2927 atomic_set(&ha->loop_state, LOOP_UPDATE);
2928 clear_bit(ISP_ABORT_RETRY, &ha->dpc_flags);
2929 if (ha->flags.online) {
2930 if (!(rval = qla2x00_fw_ready(ha))) {
2931 /* Wait at most MAX_TARGET RSCNs for a stable link. */
2932 wait_time = 256;
2933 do {
2934 atomic_set(&ha->loop_state, LOOP_UPDATE);
2935
2936 /* Issue a marker after FW becomes ready. */
2937 qla2x00_marker(ha, 0, 0, MK_SYNC_ALL);
2938 ha->marker_needed = 0;
2939
2940 /* Remap devices on Loop. */
2941 clear_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags);
2942
2943 qla2x00_configure_loop(ha);
2944 wait_time--;
2945 } while (!atomic_read(&ha->loop_down_timer) &&
2946 !(test_bit(ISP_ABORT_NEEDED, &ha->dpc_flags)) &&
2947 wait_time &&
2948 (test_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags)));
2949 }
2950 }
2951
2952 if (test_bit(ISP_ABORT_NEEDED, &ha->dpc_flags)) {
2953 return (QLA_FUNCTION_FAILED);
2954 }
2955
2956 if (rval) {
2957 DEBUG2_3(printk("%s(): **** FAILED ****\n", __func__));
2958 }
2959
2960 return (rval);
2961 }
2962
2963 void
2964 qla2x00_rescan_fcports(scsi_qla_host_t *ha)
2965 {
2966 int rescan_done;
2967 fc_port_t *fcport;
2968
2969 rescan_done = 0;
2970 list_for_each_entry(fcport, &ha->fcports, list) {
2971 if ((fcport->flags & FCF_RESCAN_NEEDED) == 0)
2972 continue;
2973
2974 qla2x00_update_fcport(ha, fcport);
2975 fcport->flags &= ~FCF_RESCAN_NEEDED;
2976
2977 rescan_done = 1;
2978 }
2979 qla2x00_probe_for_all_luns(ha);
2980 }
2981
2982 /*
2983 * qla2x00_abort_isp
2984 * Resets ISP and aborts all outstanding commands.
2985 *
2986 * Input:
2987 * ha = adapter block pointer.
2988 *
2989 * Returns:
2990 * 0 = success
2991 */
2992 int
2993 qla2x00_abort_isp(scsi_qla_host_t *ha)
2994 {
2995 unsigned long flags = 0;
2996 uint16_t cnt;
2997 srb_t *sp;
2998 uint8_t status = 0;
2999
3000 if (ha->flags.online) {
3001 ha->flags.online = 0;
3002 clear_bit(ISP_ABORT_NEEDED, &ha->dpc_flags);
3003
3004 qla_printk(KERN_INFO, ha,
3005 "Performing ISP error recovery - ha= %p.\n", ha);
3006 ha->isp_ops.reset_chip(ha);
3007
3008 atomic_set(&ha->loop_down_timer, LOOP_DOWN_TIME);
3009 if (atomic_read(&ha->loop_state) != LOOP_DOWN) {
3010 atomic_set(&ha->loop_state, LOOP_DOWN);
3011 qla2x00_mark_all_devices_lost(ha);
3012 } else {
3013 if (!atomic_read(&ha->loop_down_timer))
3014 atomic_set(&ha->loop_down_timer,
3015 LOOP_DOWN_TIME);
3016 }
3017
3018 spin_lock_irqsave(&ha->hardware_lock, flags);
3019 /* Requeue all commands in outstanding command list. */
3020 for (cnt = 1; cnt < MAX_OUTSTANDING_COMMANDS; cnt++) {
3021 sp = ha->outstanding_cmds[cnt];
3022 if (sp) {
3023 ha->outstanding_cmds[cnt] = NULL;
3024 sp->flags = 0;
3025 sp->cmd->result = DID_RESET << 16;
3026 sp->cmd->host_scribble = (unsigned char *)NULL;
3027 qla2x00_sp_compl(ha, sp);
3028 }
3029 }
3030 spin_unlock_irqrestore(&ha->hardware_lock, flags);
3031
3032 ha->isp_ops.nvram_config(ha);
3033
3034 if (!qla2x00_restart_isp(ha)) {
3035 clear_bit(RESET_MARKER_NEEDED, &ha->dpc_flags);
3036
3037 if (!atomic_read(&ha->loop_down_timer)) {
3038 /*
3039 * Issue marker command only when we are going
3040 * to start the I/O .
3041 */
3042 ha->marker_needed = 1;
3043 }
3044
3045 ha->flags.online = 1;
3046
3047 ha->isp_ops.enable_intrs(ha);
3048
3049 ha->isp_abort_cnt = 0;
3050 clear_bit(ISP_ABORT_RETRY, &ha->dpc_flags);
3051 } else { /* failed the ISP abort */
3052 ha->flags.online = 1;
3053 if (test_bit(ISP_ABORT_RETRY, &ha->dpc_flags)) {
3054 if (ha->isp_abort_cnt == 0) {
3055 qla_printk(KERN_WARNING, ha,
3056 "ISP error recovery failed - "
3057 "board disabled\n");
3058 /*
3059 * The next call disables the board
3060 * completely.
3061 */
3062 ha->isp_ops.reset_adapter(ha);
3063 ha->flags.online = 0;
3064 clear_bit(ISP_ABORT_RETRY,
3065 &ha->dpc_flags);
3066 status = 0;
3067 } else { /* schedule another ISP abort */
3068 ha->isp_abort_cnt--;
3069 DEBUG(printk("qla%ld: ISP abort - "
3070 "retry remaining %d\n",
3071 ha->host_no, ha->isp_abort_cnt);)
3072 status = 1;
3073 }
3074 } else {
3075 ha->isp_abort_cnt = MAX_RETRIES_OF_ISP_ABORT;
3076 DEBUG(printk("qla2x00(%ld): ISP error recovery "
3077 "- retrying (%d) more times\n",
3078 ha->host_no, ha->isp_abort_cnt);)
3079 set_bit(ISP_ABORT_RETRY, &ha->dpc_flags);
3080 status = 1;
3081 }
3082 }
3083
3084 }
3085
3086 if (status) {
3087 qla_printk(KERN_INFO, ha,
3088 "qla2x00_abort_isp: **** FAILED ****\n");
3089 } else {
3090 DEBUG(printk(KERN_INFO
3091 "qla2x00_abort_isp(%ld): exiting.\n",
3092 ha->host_no);)
3093 }
3094
3095 return(status);
3096 }
3097
3098 /*
3099 * qla2x00_restart_isp
3100 * restarts the ISP after a reset
3101 *
3102 * Input:
3103 * ha = adapter block pointer.
3104 *
3105 * Returns:
3106 * 0 = success
3107 */
3108 static int
3109 qla2x00_restart_isp(scsi_qla_host_t *ha)
3110 {
3111 uint8_t status = 0;
3112 struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
3113 unsigned long flags = 0;
3114 uint32_t wait_time;
3115
3116 /* If firmware needs to be loaded */
3117 if (qla2x00_isp_firmware(ha)) {
3118 ha->flags.online = 0;
3119 if (!(status = ha->isp_ops.chip_diag(ha))) {
3120 if (IS_QLA2100(ha) || IS_QLA2200(ha)) {
3121 status = qla2x00_setup_chip(ha);
3122 goto done;
3123 }
3124
3125 spin_lock_irqsave(&ha->hardware_lock, flags);
3126
3127 if (!IS_QLA24XX(ha) && !IS_QLA25XX(ha)) {
3128 /*
3129 * Disable SRAM, Instruction RAM and GP RAM
3130 * parity.
3131 */
3132 WRT_REG_WORD(&reg->hccr,
3133 (HCCR_ENABLE_PARITY + 0x0));
3134 RD_REG_WORD(&reg->hccr);
3135 }
3136
3137 spin_unlock_irqrestore(&ha->hardware_lock, flags);
3138
3139 status = qla2x00_setup_chip(ha);
3140
3141 spin_lock_irqsave(&ha->hardware_lock, flags);
3142
3143 if (!IS_QLA24XX(ha) && !IS_QLA25XX(ha)) {
3144 /* Enable proper parity */
3145 if (IS_QLA2300(ha))
3146 /* SRAM parity */
3147 WRT_REG_WORD(&reg->hccr,
3148 (HCCR_ENABLE_PARITY + 0x1));
3149 else
3150 /*
3151 * SRAM, Instruction RAM and GP RAM
3152 * parity.
3153 */
3154 WRT_REG_WORD(&reg->hccr,
3155 (HCCR_ENABLE_PARITY + 0x7));
3156 RD_REG_WORD(&reg->hccr);
3157 }
3158
3159 spin_unlock_irqrestore(&ha->hardware_lock, flags);
3160 }
3161 }
3162
3163 done:
3164 if (!status && !(status = qla2x00_init_rings(ha))) {
3165 clear_bit(RESET_MARKER_NEEDED, &ha->dpc_flags);
3166 if (!(status = qla2x00_fw_ready(ha))) {
3167 DEBUG(printk("%s(): Start configure loop, "
3168 "status = %d\n", __func__, status);)
3169
3170 /* Issue a marker after FW becomes ready. */
3171 qla2x00_marker(ha, 0, 0, MK_SYNC_ALL);
3172
3173 ha->flags.online = 1;
3174 /* Wait at most MAX_TARGET RSCNs for a stable link. */
3175 wait_time = 256;
3176 do {
3177 clear_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags);
3178 qla2x00_configure_loop(ha);
3179 wait_time--;
3180 } while (!atomic_read(&ha->loop_down_timer) &&
3181 !(test_bit(ISP_ABORT_NEEDED, &ha->dpc_flags)) &&
3182 wait_time &&
3183 (test_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags)));
3184 }
3185
3186 /* if no cable then assume it's good */
3187 if ((ha->device_flags & DFLG_NO_CABLE))
3188 status = 0;
3189
3190 DEBUG(printk("%s(): Configure loop done, status = 0x%x\n",
3191 __func__,
3192 status);)
3193 }
3194 return (status);
3195 }
3196
3197 /*
3198 * qla2x00_reset_adapter
3199 * Reset adapter.
3200 *
3201 * Input:
3202 * ha = adapter block pointer.
3203 */
3204 void
3205 qla2x00_reset_adapter(scsi_qla_host_t *ha)
3206 {
3207 unsigned long flags = 0;
3208 struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
3209
3210 ha->flags.online = 0;
3211 ha->isp_ops.disable_intrs(ha);
3212
3213 spin_lock_irqsave(&ha->hardware_lock, flags);
3214 WRT_REG_WORD(&reg->hccr, HCCR_RESET_RISC);
3215 RD_REG_WORD(&reg->hccr); /* PCI Posting. */
3216 WRT_REG_WORD(&reg->hccr, HCCR_RELEASE_RISC);
3217 RD_REG_WORD(&reg->hccr); /* PCI Posting. */
3218 spin_unlock_irqrestore(&ha->hardware_lock, flags);
3219 }
3220
3221 void
3222 qla24xx_reset_adapter(scsi_qla_host_t *ha)
3223 {
3224 unsigned long flags = 0;
3225 struct device_reg_24xx __iomem *reg = &ha->iobase->isp24;
3226
3227 ha->flags.online = 0;
3228 ha->isp_ops.disable_intrs(ha);
3229
3230 spin_lock_irqsave(&ha->hardware_lock, flags);
3231 WRT_REG_DWORD(&reg->hccr, HCCRX_SET_RISC_RESET);
3232 RD_REG_DWORD(&reg->hccr);
3233 WRT_REG_DWORD(&reg->hccr, HCCRX_REL_RISC_PAUSE);
3234 RD_REG_DWORD(&reg->hccr);
3235 spin_unlock_irqrestore(&ha->hardware_lock, flags);
3236 }
3237
3238 int
3239 qla24xx_nvram_config(scsi_qla_host_t *ha)
3240 {
3241 int rval;
3242 struct init_cb_24xx *icb;
3243 struct nvram_24xx *nv;
3244 uint32_t *dptr;
3245 uint8_t *dptr1, *dptr2;
3246 uint32_t chksum;
3247 uint16_t cnt;
3248
3249 rval = QLA_SUCCESS;
3250 icb = (struct init_cb_24xx *)ha->init_cb;
3251 nv = (struct nvram_24xx *)ha->request_ring;
3252
3253 /* Determine NVRAM starting address. */
3254 ha->nvram_size = sizeof(struct nvram_24xx);
3255 ha->nvram_base = FA_NVRAM_FUNC0_ADDR;
3256 if (PCI_FUNC(ha->pdev->devfn))
3257 ha->nvram_base = FA_NVRAM_FUNC1_ADDR;
3258
3259 /* Get NVRAM data and calculate checksum. */
3260 dptr = (uint32_t *)nv;
3261 ha->isp_ops.read_nvram(ha, (uint8_t *)dptr, ha->nvram_base,
3262 ha->nvram_size);
3263 for (cnt = 0, chksum = 0; cnt < ha->nvram_size >> 2; cnt++)
3264 chksum += le32_to_cpu(*dptr++);
3265
3266 DEBUG5(printk("scsi(%ld): Contents of NVRAM\n", ha->host_no));
3267 DEBUG5(qla2x00_dump_buffer((uint8_t *)ha->request_ring,
3268 ha->nvram_size));
3269
3270 /* Bad NVRAM data, set defaults parameters. */
3271 if (chksum || nv->id[0] != 'I' || nv->id[1] != 'S' || nv->id[2] != 'P'
3272 || nv->id[3] != ' ' ||
3273 nv->nvram_version < __constant_cpu_to_le16(ICB_VERSION)) {
3274 /* Reset NVRAM data. */
3275 qla_printk(KERN_WARNING, ha, "Inconsistent NVRAM detected: "
3276 "checksum=0x%x id=%c version=0x%x.\n", chksum, nv->id[0],
3277 le16_to_cpu(nv->nvram_version));
3278 qla_printk(KERN_WARNING, ha, "Falling back to functioning (yet "
3279 "invalid -- WWPN) defaults.\n");
3280
3281 /*
3282 * Set default initialization control block.
3283 */
3284 memset(nv, 0, ha->nvram_size);
3285 nv->nvram_version = __constant_cpu_to_le16(ICB_VERSION);
3286 nv->version = __constant_cpu_to_le16(ICB_VERSION);
3287 nv->frame_payload_size = __constant_cpu_to_le16(2048);
3288 nv->execution_throttle = __constant_cpu_to_le16(0xFFFF);
3289 nv->exchange_count = __constant_cpu_to_le16(0);
3290 nv->hard_address = __constant_cpu_to_le16(124);
3291 nv->port_name[0] = 0x21;
3292 nv->port_name[1] = 0x00 + PCI_FUNC(ha->pdev->devfn);
3293 nv->port_name[2] = 0x00;
3294 nv->port_name[3] = 0xe0;
3295 nv->port_name[4] = 0x8b;
3296 nv->port_name[5] = 0x1c;
3297 nv->port_name[6] = 0x55;
3298 nv->port_name[7] = 0x86;
3299 nv->node_name[0] = 0x20;
3300 nv->node_name[1] = 0x00;
3301 nv->node_name[2] = 0x00;
3302 nv->node_name[3] = 0xe0;
3303 nv->node_name[4] = 0x8b;
3304 nv->node_name[5] = 0x1c;
3305 nv->node_name[6] = 0x55;
3306 nv->node_name[7] = 0x86;
3307 nv->login_retry_count = __constant_cpu_to_le16(8);
3308 nv->link_down_timeout = __constant_cpu_to_le16(200);
3309 nv->interrupt_delay_timer = __constant_cpu_to_le16(0);
3310 nv->login_timeout = __constant_cpu_to_le16(0);
3311 nv->firmware_options_1 =
3312 __constant_cpu_to_le32(BIT_14|BIT_13|BIT_2|BIT_1);
3313 nv->firmware_options_2 = __constant_cpu_to_le32(2 << 4);
3314 nv->firmware_options_2 |= __constant_cpu_to_le32(BIT_12);
3315 nv->firmware_options_3 = __constant_cpu_to_le32(2 << 13);
3316 nv->host_p = __constant_cpu_to_le32(BIT_11|BIT_10);
3317 nv->efi_parameters = __constant_cpu_to_le32(0);
3318 nv->reset_delay = 5;
3319 nv->max_luns_per_target = __constant_cpu_to_le16(128);
3320 nv->port_down_retry_count = __constant_cpu_to_le16(30);
3321 nv->link_down_timeout = __constant_cpu_to_le16(30);
3322
3323 rval = 1;
3324 }
3325
3326 /* Reset Initialization control block */
3327 memset(icb, 0, sizeof(struct init_cb_24xx));
3328
3329 /* Copy 1st segment. */
3330 dptr1 = (uint8_t *)icb;
3331 dptr2 = (uint8_t *)&nv->version;
3332 cnt = (uint8_t *)&icb->response_q_inpointer - (uint8_t *)&icb->version;
3333 while (cnt--)
3334 *dptr1++ = *dptr2++;
3335
3336 icb->login_retry_count = nv->login_retry_count;
3337 icb->link_down_timeout = nv->link_down_timeout;
3338
3339 /* Copy 2nd segment. */
3340 dptr1 = (uint8_t *)&icb->interrupt_delay_timer;
3341 dptr2 = (uint8_t *)&nv->interrupt_delay_timer;
3342 cnt = (uint8_t *)&icb->reserved_3 -
3343 (uint8_t *)&icb->interrupt_delay_timer;
3344 while (cnt--)
3345 *dptr1++ = *dptr2++;
3346
3347 /*
3348 * Setup driver NVRAM options.
3349 */
3350 if (memcmp(nv->model_name, BINZERO, sizeof(nv->model_name)) != 0) {
3351 char *st, *en;
3352 uint16_t index;
3353
3354 strncpy(ha->model_number, nv->model_name,
3355 sizeof(nv->model_name));
3356 st = en = ha->model_number;
3357 en += sizeof(nv->model_name) - 1;
3358 while (en > st) {
3359 if (*en != 0x20 && *en != 0x00)
3360 break;
3361 *en-- = '\0';
3362 }
3363
3364 index = (ha->pdev->subsystem_device & 0xff);
3365 if (index < QLA_MODEL_NAMES)
3366 ha->model_desc = qla2x00_model_desc[index];
3367 } else
3368 strcpy(ha->model_number, "QLA2462");
3369
3370 /* Prepare nodename */
3371 if ((icb->firmware_options_1 & BIT_14) == 0) {
3372 /*
3373 * Firmware will apply the following mask if the nodename was
3374 * not provided.
3375 */
3376 memcpy(icb->node_name, icb->port_name, WWN_SIZE);
3377 icb->node_name[0] &= 0xF0;
3378 }
3379
3380 /* Set host adapter parameters. */
3381 ha->flags.disable_risc_code_load = 0;
3382 ha->flags.enable_lip_reset = 1;
3383 ha->flags.enable_lip_full_login = 1;
3384 ha->flags.enable_target_reset = 1;
3385 ha->flags.enable_led_scheme = 0;
3386
3387 ha->operating_mode =
3388 (icb->firmware_options_2 & (BIT_6 | BIT_5 | BIT_4)) >> 4;
3389
3390 memcpy(ha->fw_seriallink_options24, nv->seriallink_options,
3391 sizeof(ha->fw_seriallink_options24));
3392
3393 /* save HBA serial number */
3394 ha->serial0 = icb->port_name[5];
3395 ha->serial1 = icb->port_name[6];
3396 ha->serial2 = icb->port_name[7];
3397 ha->node_name = icb->node_name;
3398 ha->port_name = icb->port_name;
3399
3400 ha->retry_count = le16_to_cpu(nv->login_retry_count);
3401
3402 /* Set minimum login_timeout to 4 seconds. */
3403 if (le16_to_cpu(nv->login_timeout) < ql2xlogintimeout)
3404 nv->login_timeout = cpu_to_le16(ql2xlogintimeout);
3405 if (le16_to_cpu(nv->login_timeout) < 4)
3406 nv->login_timeout = __constant_cpu_to_le16(4);
3407 ha->login_timeout = le16_to_cpu(nv->login_timeout);
3408 icb->login_timeout = cpu_to_le16(nv->login_timeout);
3409
3410 /* Set minimum RATOV to 200 tenths of a second. */
3411 ha->r_a_tov = 200;
3412
3413 ha->loop_reset_delay = nv->reset_delay;
3414
3415 /* Link Down Timeout = 0:
3416 *
3417 * When Port Down timer expires we will start returning
3418 * I/O's to OS with "DID_NO_CONNECT".
3419 *
3420 * Link Down Timeout != 0:
3421 *
3422 * The driver waits for the link to come up after link down
3423 * before returning I/Os to OS with "DID_NO_CONNECT".
3424 */
3425 if (le16_to_cpu(nv->link_down_timeout) == 0) {
3426 ha->loop_down_abort_time =
3427 (LOOP_DOWN_TIME - LOOP_DOWN_TIMEOUT);
3428 } else {
3429 ha->link_down_timeout = le16_to_cpu(nv->link_down_timeout);
3430 ha->loop_down_abort_time =
3431 (LOOP_DOWN_TIME - ha->link_down_timeout);
3432 }
3433
3434 /* Need enough time to try and get the port back. */
3435 ha->port_down_retry_count = le16_to_cpu(nv->port_down_retry_count);
3436 if (qlport_down_retry)
3437 ha->port_down_retry_count = qlport_down_retry;
3438
3439 /* Set login_retry_count */
3440 ha->login_retry_count = le16_to_cpu(nv->login_retry_count);
3441 if (ha->port_down_retry_count ==
3442 le16_to_cpu(nv->port_down_retry_count) &&
3443 ha->port_down_retry_count > 3)
3444 ha->login_retry_count = ha->port_down_retry_count;
3445 else if (ha->port_down_retry_count > (int)ha->login_retry_count)
3446 ha->login_retry_count = ha->port_down_retry_count;
3447 if (ql2xloginretrycount)
3448 ha->login_retry_count = ql2xloginretrycount;
3449
3450 /* Enable ZIO. */
3451 if (!ha->flags.init_done) {
3452 ha->zio_mode = le32_to_cpu(icb->firmware_options_2) &
3453 (BIT_3 | BIT_2 | BIT_1 | BIT_0);
3454 ha->zio_timer = le16_to_cpu(icb->interrupt_delay_timer) ?
3455 le16_to_cpu(icb->interrupt_delay_timer): 2;
3456 }
3457 icb->firmware_options_2 &= __constant_cpu_to_le32(
3458 ~(BIT_3 | BIT_2 | BIT_1 | BIT_0));
3459 ha->flags.process_response_queue = 0;
3460 if (ha->zio_mode != QLA_ZIO_DISABLED) {
3461 DEBUG2(printk("scsi(%ld): ZIO mode %d enabled; timer delay "
3462 "(%d us).\n", ha->host_no, ha->zio_mode,
3463 ha->zio_timer * 100));
3464 qla_printk(KERN_INFO, ha,
3465 "ZIO mode %d enabled; timer delay (%d us).\n",
3466 ha->zio_mode, ha->zio_timer * 100);
3467
3468 icb->firmware_options_2 |= cpu_to_le32(
3469 (uint32_t)ha->zio_mode);
3470 icb->interrupt_delay_timer = cpu_to_le16(ha->zio_timer);
3471 ha->flags.process_response_queue = 1;
3472 }
3473
3474 if (rval) {
3475 DEBUG2_3(printk(KERN_WARNING
3476 "scsi(%ld): NVRAM configuration failed!\n", ha->host_no));
3477 }
3478 return (rval);
3479 }
3480
3481 int
3482 qla2x00_load_risc(scsi_qla_host_t *ha, uint32_t *srisc_addr)
3483 {
3484 int rval;
3485 uint16_t cnt;
3486 uint16_t *risc_code;
3487 unsigned long risc_address;
3488 unsigned long risc_code_size;
3489 int num;
3490 int i;
3491 uint16_t *req_ring;
3492 struct qla_fw_info *fw_iter;
3493
3494 rval = QLA_SUCCESS;
3495
3496 /* Load firmware sequences */
3497 fw_iter = ha->brd_info->fw_info;
3498 *srisc_addr = *ha->brd_info->fw_info->fwstart;
3499 while (fw_iter->addressing != FW_INFO_ADDR_NOMORE) {
3500 risc_code = fw_iter->fwcode;
3501 risc_code_size = *fw_iter->fwlen;
3502
3503 if (fw_iter->addressing == FW_INFO_ADDR_NORMAL) {
3504 risc_address = *fw_iter->fwstart;
3505 } else {
3506 /* Extended address */
3507 risc_address = *fw_iter->lfwstart;
3508 }
3509
3510 num = 0;
3511 rval = 0;
3512 while (risc_code_size > 0 && !rval) {
3513 cnt = (uint16_t)(ha->fw_transfer_size >> 1);
3514 if (cnt > risc_code_size)
3515 cnt = risc_code_size;
3516
3517 DEBUG7(printk("scsi(%ld): Loading risc segment@ "
3518 "addr %p, number of bytes 0x%x, offset 0x%lx.\n",
3519 ha->host_no, risc_code, cnt, risc_address));
3520
3521 req_ring = (uint16_t *)ha->request_ring;
3522 for (i = 0; i < cnt; i++)
3523 req_ring[i] = cpu_to_le16(risc_code[i]);
3524
3525 if (fw_iter->addressing == FW_INFO_ADDR_NORMAL) {
3526 rval = qla2x00_load_ram(ha, ha->request_dma,
3527 risc_address, cnt);
3528 } else {
3529 rval = qla2x00_load_ram_ext(ha,
3530 ha->request_dma, risc_address, cnt);
3531 }
3532 if (rval) {
3533 DEBUG(printk("scsi(%ld): [ERROR] Failed to "
3534 "load segment %d of firmware\n",
3535 ha->host_no, num));
3536 qla_printk(KERN_WARNING, ha,
3537 "[ERROR] Failed to load segment %d of "
3538 "firmware\n", num);
3539
3540 qla2x00_dump_regs(ha);
3541 break;
3542 }
3543
3544 risc_code += cnt;
3545 risc_address += cnt;
3546 risc_code_size -= cnt;
3547 num++;
3548 }
3549
3550 /* Next firmware sequence */
3551 fw_iter++;
3552 }
3553
3554 return (rval);
3555 }
3556
3557 int
3558 qla24xx_load_risc_flash(scsi_qla_host_t *ha, uint32_t *srisc_addr)
3559 {
3560 int rval;
3561 int segments, fragment;
3562 uint32_t faddr;
3563 uint32_t *dcode, dlen;
3564 uint32_t risc_addr;
3565 uint32_t risc_size;
3566 uint32_t i;
3567
3568 rval = QLA_SUCCESS;
3569
3570 segments = FA_RISC_CODE_SEGMENTS;
3571 faddr = FA_RISC_CODE_ADDR;
3572 dcode = (uint32_t *)ha->request_ring;
3573 *srisc_addr = 0;
3574
3575 /* Validate firmware image by checking version. */
3576 qla24xx_read_flash_data(ha, dcode, faddr + 4, 4);
3577 for (i = 0; i < 4; i++)
3578 dcode[i] = be32_to_cpu(dcode[i]);
3579 if ((dcode[0] == 0xffffffff && dcode[1] == 0xffffffff &&
3580 dcode[2] == 0xffffffff && dcode[3] == 0xffffffff) ||
3581 (dcode[0] == 0 && dcode[1] == 0 && dcode[2] == 0 &&
3582 dcode[3] == 0)) {
3583 qla_printk(KERN_WARNING, ha,
3584 "Unable to verify integrity of flash firmware image!\n");
3585 qla_printk(KERN_WARNING, ha,
3586 "Firmware data: %08x %08x %08x %08x!\n", dcode[0],
3587 dcode[1], dcode[2], dcode[3]);
3588
3589 return QLA_FUNCTION_FAILED;
3590 }
3591
3592 while (segments && rval == QLA_SUCCESS) {
3593 /* Read segment's load information. */
3594 qla24xx_read_flash_data(ha, dcode, faddr, 4);
3595
3596 risc_addr = be32_to_cpu(dcode[2]);
3597 *srisc_addr = *srisc_addr == 0 ? risc_addr : *srisc_addr;
3598 risc_size = be32_to_cpu(dcode[3]);
3599
3600 fragment = 0;
3601 while (risc_size > 0 && rval == QLA_SUCCESS) {
3602 dlen = (uint32_t)(ha->fw_transfer_size >> 2);
3603 if (dlen > risc_size)
3604 dlen = risc_size;
3605
3606 DEBUG7(printk("scsi(%ld): Loading risc segment@ risc "
3607 "addr %x, number of dwords 0x%x, offset 0x%x.\n",
3608 ha->host_no, risc_addr, dlen, faddr));
3609
3610 qla24xx_read_flash_data(ha, dcode, faddr, dlen);
3611 for (i = 0; i < dlen; i++)
3612 dcode[i] = swab32(dcode[i]);
3613
3614 rval = qla2x00_load_ram_ext(ha, ha->request_dma,
3615 risc_addr, dlen);
3616 if (rval) {
3617 DEBUG(printk("scsi(%ld):[ERROR] Failed to load "
3618 "segment %d of firmware\n", ha->host_no,
3619 fragment));
3620 qla_printk(KERN_WARNING, ha,
3621 "[ERROR] Failed to load segment %d of "
3622 "firmware\n", fragment);
3623 break;
3624 }
3625
3626 faddr += dlen;
3627 risc_addr += dlen;
3628 risc_size -= dlen;
3629 fragment++;
3630 }
3631
3632 /* Next segment. */
3633 segments--;
3634 }
3635
3636 return rval;
3637 }
3638
3639 int
3640 qla24xx_load_risc_hotplug(scsi_qla_host_t *ha, uint32_t *srisc_addr)
3641 {
3642 int rval;
3643 int segments, fragment;
3644 uint32_t *dcode, dlen;
3645 uint32_t risc_addr;
3646 uint32_t risc_size;
3647 uint32_t i;
3648 const struct firmware *fw_entry;
3649 uint32_t *fwcode, fwclen;
3650
3651 if (request_firmware(&fw_entry, ha->brd_info->fw_fname,
3652 &ha->pdev->dev)) {
3653 qla_printk(KERN_ERR, ha,
3654 "Firmware image file not available: '%s'\n",
3655 ha->brd_info->fw_fname);
3656 return QLA_FUNCTION_FAILED;
3657 }
3658
3659 rval = QLA_SUCCESS;
3660
3661 segments = FA_RISC_CODE_SEGMENTS;
3662 dcode = (uint32_t *)ha->request_ring;
3663 *srisc_addr = 0;
3664 fwcode = (uint32_t *)fw_entry->data;
3665 fwclen = 0;
3666
3667 /* Validate firmware image by checking version. */
3668 if (fw_entry->size < 8 * sizeof(uint32_t)) {
3669 qla_printk(KERN_WARNING, ha,
3670 "Unable to verify integrity of flash firmware image "
3671 "(%Zd)!\n", fw_entry->size);
3672 goto fail_fw_integrity;
3673 }
3674 for (i = 0; i < 4; i++)
3675 dcode[i] = be32_to_cpu(fwcode[i + 4]);
3676 if ((dcode[0] == 0xffffffff && dcode[1] == 0xffffffff &&
3677 dcode[2] == 0xffffffff && dcode[3] == 0xffffffff) ||
3678 (dcode[0] == 0 && dcode[1] == 0 && dcode[2] == 0 &&
3679 dcode[3] == 0)) {
3680 qla_printk(KERN_WARNING, ha,
3681 "Unable to verify integrity of flash firmware image!\n");
3682 qla_printk(KERN_WARNING, ha,
3683 "Firmware data: %08x %08x %08x %08x!\n", dcode[0],
3684 dcode[1], dcode[2], dcode[3]);
3685 goto fail_fw_integrity;
3686 }
3687
3688 while (segments && rval == QLA_SUCCESS) {
3689 risc_addr = be32_to_cpu(fwcode[2]);
3690 *srisc_addr = *srisc_addr == 0 ? risc_addr : *srisc_addr;
3691 risc_size = be32_to_cpu(fwcode[3]);
3692
3693 /* Validate firmware image size. */
3694 fwclen += risc_size * sizeof(uint32_t);
3695 if (fw_entry->size < fwclen) {
3696 qla_printk(KERN_WARNING, ha,
3697 "Unable to verify integrity of flash firmware "
3698 "image (%Zd)!\n", fw_entry->size);
3699 goto fail_fw_integrity;
3700 }
3701
3702 fragment = 0;
3703 while (risc_size > 0 && rval == QLA_SUCCESS) {
3704 dlen = (uint32_t)(ha->fw_transfer_size >> 2);
3705 if (dlen > risc_size)
3706 dlen = risc_size;
3707
3708 DEBUG7(printk("scsi(%ld): Loading risc segment@ risc "
3709 "addr %x, number of dwords 0x%x.\n", ha->host_no,
3710 risc_addr, dlen));
3711
3712 for (i = 0; i < dlen; i++)
3713 dcode[i] = swab32(fwcode[i]);
3714
3715 rval = qla2x00_load_ram_ext(ha, ha->request_dma,
3716 risc_addr, dlen);
3717 if (rval) {
3718 DEBUG(printk("scsi(%ld):[ERROR] Failed to load "
3719 "segment %d of firmware\n", ha->host_no,
3720 fragment));
3721 qla_printk(KERN_WARNING, ha,
3722 "[ERROR] Failed to load segment %d of "
3723 "firmware\n", fragment);
3724 break;
3725 }
3726
3727 fwcode += dlen;
3728 risc_addr += dlen;
3729 risc_size -= dlen;
3730 fragment++;
3731 }
3732
3733 /* Next segment. */
3734 segments--;
3735 }
3736
3737 release_firmware(fw_entry);
3738 return rval;
3739
3740 fail_fw_integrity:
3741
3742 release_firmware(fw_entry);
3743 return QLA_FUNCTION_FAILED;
3744
3745 }
Linux 2.6 ibm-acpi/thinkpad-acpi driver git tree