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[GitHub/LineageOS/android_kernel_motorola_exynos9610.git] / drivers / scsi / qla2xxx / qla_init.c
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
12 #include "qla_devtbl.h"
13
14 /* XXX(hch): this is ugly, but we don't want to pull in exioctl.h */
15 #ifndef EXT_IS_LUN_BIT_SET
16 #define EXT_IS_LUN_BIT_SET(P,L) \
17 (((P)->mask[L/8] & (0x80 >> (L%8)))?1:0)
18 #define EXT_SET_LUN_BIT(P,L) \
19 ((P)->mask[L/8] |= (0x80 >> (L%8)))
20 #endif
21
22 /*
23 * QLogic ISP2x00 Hardware Support Function Prototypes.
24 */
25 static int qla2x00_isp_firmware(scsi_qla_host_t *);
26 static void qla2x00_resize_request_q(scsi_qla_host_t *);
27 static int qla2x00_setup_chip(scsi_qla_host_t *);
28 static void qla2x00_init_response_q_entries(scsi_qla_host_t *);
29 static int qla2x00_init_rings(scsi_qla_host_t *);
30 static int qla2x00_fw_ready(scsi_qla_host_t *);
31 static int qla2x00_configure_hba(scsi_qla_host_t *);
32 static int qla2x00_configure_loop(scsi_qla_host_t *);
33 static int qla2x00_configure_local_loop(scsi_qla_host_t *);
34 static int qla2x00_configure_fabric(scsi_qla_host_t *);
35 static int qla2x00_find_all_fabric_devs(scsi_qla_host_t *, struct list_head *);
36 static int qla2x00_device_resync(scsi_qla_host_t *);
37 static int qla2x00_fabric_dev_login(scsi_qla_host_t *, fc_port_t *,
38 uint16_t *);
39
40 static int qla2x00_restart_isp(scsi_qla_host_t *);
41
42 static int qla2x00_find_new_loop_id(scsi_qla_host_t *ha, fc_port_t *dev);
43
44 /****************************************************************************/
45 /* QLogic ISP2x00 Hardware Support Functions. */
46 /****************************************************************************/
47
48 /*
49 * qla2x00_initialize_adapter
50 * Initialize board.
51 *
52 * Input:
53 * ha = adapter block pointer.
54 *
55 * Returns:
56 * 0 = success
57 */
58 int
59 qla2x00_initialize_adapter(scsi_qla_host_t *ha)
60 {
61 int rval;
62
63 /* Clear adapter flags. */
64 ha->flags.online = 0;
65 ha->flags.reset_active = 0;
66 atomic_set(&ha->loop_down_timer, LOOP_DOWN_TIME);
67 atomic_set(&ha->loop_state, LOOP_DOWN);
68 ha->device_flags = DFLG_NO_CABLE;
69 ha->dpc_flags = 0;
70 ha->flags.management_server_logged_in = 0;
71 ha->marker_needed = 0;
72 ha->mbx_flags = 0;
73 ha->isp_abort_cnt = 0;
74 ha->beacon_blink_led = 0;
75 set_bit(REGISTER_FDMI_NEEDED, &ha->dpc_flags);
76
77 qla_printk(KERN_INFO, ha, "Configuring PCI space...\n");
78 rval = ha->isp_ops.pci_config(ha);
79 if (rval) {
80 DEBUG2(printk("scsi(%ld): Unable to configure PCI space.\n",
81 ha->host_no));
82 return (rval);
83 }
84
85 ha->isp_ops.reset_chip(ha);
86
87 ha->isp_ops.get_flash_version(ha, ha->request_ring);
88
89 qla_printk(KERN_INFO, ha, "Configure NVRAM parameters...\n");
90
91 rval = ha->isp_ops.nvram_config(ha);
92 if (rval) {
93 DEBUG2(printk("scsi(%ld): Unable to verify NVRAM data.\n",
94 ha->host_no));
95 return rval;
96 }
97
98 if (ha->flags.disable_serdes) {
99 /* Mask HBA via NVRAM settings? */
100 qla_printk(KERN_INFO, ha, "Masking HBA WWPN "
101 "%02x%02x%02x%02x%02x%02x%02x%02x (via NVRAM).\n",
102 ha->port_name[0], ha->port_name[1],
103 ha->port_name[2], ha->port_name[3],
104 ha->port_name[4], ha->port_name[5],
105 ha->port_name[6], ha->port_name[7]);
106 return QLA_FUNCTION_FAILED;
107 }
108
109 qla_printk(KERN_INFO, ha, "Verifying loaded RISC code...\n");
110
111 if (qla2x00_isp_firmware(ha) != QLA_SUCCESS) {
112 rval = ha->isp_ops.chip_diag(ha);
113 if (rval)
114 return (rval);
115 rval = qla2x00_setup_chip(ha);
116 if (rval)
117 return (rval);
118 }
119 rval = qla2x00_init_rings(ha);
120
121 return (rval);
122 }
123
124 /**
125 * qla2100_pci_config() - Setup ISP21xx PCI configuration registers.
126 * @ha: HA context
127 *
128 * Returns 0 on success.
129 */
130 int
131 qla2100_pci_config(scsi_qla_host_t *ha)
132 {
133 uint16_t w, mwi;
134 uint32_t d;
135 unsigned long flags;
136 struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
137
138 pci_set_master(ha->pdev);
139 mwi = 0;
140 if (pci_set_mwi(ha->pdev))
141 mwi = PCI_COMMAND_INVALIDATE;
142
143 pci_read_config_word(ha->pdev, PCI_COMMAND, &w);
144 w |= mwi | (PCI_COMMAND_PARITY | PCI_COMMAND_SERR);
145 pci_write_config_word(ha->pdev, PCI_COMMAND, w);
146
147 /* Reset expansion ROM address decode enable */
148 pci_read_config_dword(ha->pdev, PCI_ROM_ADDRESS, &d);
149 d &= ~PCI_ROM_ADDRESS_ENABLE;
150 pci_write_config_dword(ha->pdev, PCI_ROM_ADDRESS, d);
151
152 /* Get PCI bus information. */
153 spin_lock_irqsave(&ha->hardware_lock, flags);
154 ha->pci_attr = RD_REG_WORD(&reg->ctrl_status);
155 spin_unlock_irqrestore(&ha->hardware_lock, flags);
156
157 return QLA_SUCCESS;
158 }
159
160 /**
161 * qla2300_pci_config() - Setup ISP23xx PCI configuration registers.
162 * @ha: HA context
163 *
164 * Returns 0 on success.
165 */
166 int
167 qla2300_pci_config(scsi_qla_host_t *ha)
168 {
169 uint16_t w, mwi;
170 uint32_t d;
171 unsigned long flags = 0;
172 uint32_t cnt;
173 struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
174
175 pci_set_master(ha->pdev);
176 mwi = 0;
177 if (pci_set_mwi(ha->pdev))
178 mwi = PCI_COMMAND_INVALIDATE;
179
180 pci_read_config_word(ha->pdev, PCI_COMMAND, &w);
181 w |= mwi | (PCI_COMMAND_PARITY | PCI_COMMAND_SERR);
182
183 if (IS_QLA2322(ha) || IS_QLA6322(ha))
184 w &= ~PCI_COMMAND_INTX_DISABLE;
185
186 /*
187 * If this is a 2300 card and not 2312, reset the
188 * COMMAND_INVALIDATE due to a bug in the 2300. Unfortunately,
189 * the 2310 also reports itself as a 2300 so we need to get the
190 * fb revision level -- a 6 indicates it really is a 2300 and
191 * not a 2310.
192 */
193 if (IS_QLA2300(ha)) {
194 spin_lock_irqsave(&ha->hardware_lock, flags);
195
196 /* Pause RISC. */
197 WRT_REG_WORD(&reg->hccr, HCCR_PAUSE_RISC);
198 for (cnt = 0; cnt < 30000; cnt++) {
199 if ((RD_REG_WORD(&reg->hccr) & HCCR_RISC_PAUSE) != 0)
200 break;
201
202 udelay(10);
203 }
204
205 /* Select FPM registers. */
206 WRT_REG_WORD(&reg->ctrl_status, 0x20);
207 RD_REG_WORD(&reg->ctrl_status);
208
209 /* Get the fb rev level */
210 ha->fb_rev = RD_FB_CMD_REG(ha, reg);
211
212 if (ha->fb_rev == FPM_2300)
213 w &= ~PCI_COMMAND_INVALIDATE;
214
215 /* Deselect FPM registers. */
216 WRT_REG_WORD(&reg->ctrl_status, 0x0);
217 RD_REG_WORD(&reg->ctrl_status);
218
219 /* Release RISC module. */
220 WRT_REG_WORD(&reg->hccr, HCCR_RELEASE_RISC);
221 for (cnt = 0; cnt < 30000; cnt++) {
222 if ((RD_REG_WORD(&reg->hccr) & HCCR_RISC_PAUSE) == 0)
223 break;
224
225 udelay(10);
226 }
227
228 spin_unlock_irqrestore(&ha->hardware_lock, flags);
229 }
230 pci_write_config_word(ha->pdev, PCI_COMMAND, w);
231
232 pci_write_config_byte(ha->pdev, PCI_LATENCY_TIMER, 0x80);
233
234 /* Reset expansion ROM address decode enable */
235 pci_read_config_dword(ha->pdev, PCI_ROM_ADDRESS, &d);
236 d &= ~PCI_ROM_ADDRESS_ENABLE;
237 pci_write_config_dword(ha->pdev, PCI_ROM_ADDRESS, d);
238
239 /* Get PCI bus information. */
240 spin_lock_irqsave(&ha->hardware_lock, flags);
241 ha->pci_attr = RD_REG_WORD(&reg->ctrl_status);
242 spin_unlock_irqrestore(&ha->hardware_lock, flags);
243
244 return QLA_SUCCESS;
245 }
246
247 /**
248 * qla24xx_pci_config() - Setup ISP24xx PCI configuration registers.
249 * @ha: HA context
250 *
251 * Returns 0 on success.
252 */
253 int
254 qla24xx_pci_config(scsi_qla_host_t *ha)
255 {
256 uint16_t w, mwi;
257 uint32_t d;
258 unsigned long flags = 0;
259 struct device_reg_24xx __iomem *reg = &ha->iobase->isp24;
260 int pcix_cmd_reg, pcie_dctl_reg;
261
262 pci_set_master(ha->pdev);
263 mwi = 0;
264 if (pci_set_mwi(ha->pdev))
265 mwi = PCI_COMMAND_INVALIDATE;
266
267 pci_read_config_word(ha->pdev, PCI_COMMAND, &w);
268 w |= mwi | (PCI_COMMAND_PARITY | PCI_COMMAND_SERR);
269 w &= ~PCI_COMMAND_INTX_DISABLE;
270 pci_write_config_word(ha->pdev, PCI_COMMAND, w);
271
272 pci_write_config_byte(ha->pdev, PCI_LATENCY_TIMER, 0x80);
273
274 /* PCI-X -- adjust Maximum Memory Read Byte Count (2048). */
275 pcix_cmd_reg = pci_find_capability(ha->pdev, PCI_CAP_ID_PCIX);
276 if (pcix_cmd_reg) {
277 uint16_t pcix_cmd;
278
279 pcix_cmd_reg += PCI_X_CMD;
280 pci_read_config_word(ha->pdev, pcix_cmd_reg, &pcix_cmd);
281 pcix_cmd &= ~PCI_X_CMD_MAX_READ;
282 pcix_cmd |= 0x0008;
283 pci_write_config_word(ha->pdev, pcix_cmd_reg, pcix_cmd);
284 }
285
286 /* PCIe -- adjust Maximum Read Request Size (2048). */
287 pcie_dctl_reg = pci_find_capability(ha->pdev, PCI_CAP_ID_EXP);
288 if (pcie_dctl_reg) {
289 uint16_t pcie_dctl;
290
291 pcie_dctl_reg += PCI_EXP_DEVCTL;
292 pci_read_config_word(ha->pdev, pcie_dctl_reg, &pcie_dctl);
293 pcie_dctl &= ~PCI_EXP_DEVCTL_READRQ;
294 pcie_dctl |= 0x4000;
295 pci_write_config_word(ha->pdev, pcie_dctl_reg, pcie_dctl);
296 }
297
298 /* Reset expansion ROM address decode enable */
299 pci_read_config_dword(ha->pdev, PCI_ROM_ADDRESS, &d);
300 d &= ~PCI_ROM_ADDRESS_ENABLE;
301 pci_write_config_dword(ha->pdev, PCI_ROM_ADDRESS, d);
302
303 pci_read_config_word(ha->pdev, PCI_REVISION_ID, &ha->chip_revision);
304
305 /* Get PCI bus information. */
306 spin_lock_irqsave(&ha->hardware_lock, flags);
307 ha->pci_attr = RD_REG_DWORD(&reg->ctrl_status);
308 spin_unlock_irqrestore(&ha->hardware_lock, flags);
309
310 return QLA_SUCCESS;
311 }
312
313 /**
314 * qla2x00_isp_firmware() - Choose firmware image.
315 * @ha: HA context
316 *
317 * Returns 0 on success.
318 */
319 static int
320 qla2x00_isp_firmware(scsi_qla_host_t *ha)
321 {
322 int rval;
323
324 /* Assume loading risc code */
325 rval = QLA_FUNCTION_FAILED;
326
327 if (ha->flags.disable_risc_code_load) {
328 DEBUG2(printk("scsi(%ld): RISC CODE NOT loaded\n",
329 ha->host_no));
330 qla_printk(KERN_INFO, ha, "RISC CODE NOT loaded\n");
331
332 /* Verify checksum of loaded RISC code. */
333 rval = qla2x00_verify_checksum(ha, ha->fw_srisc_address);
334 }
335
336 if (rval) {
337 DEBUG2_3(printk("scsi(%ld): **** Load RISC code ****\n",
338 ha->host_no));
339 }
340
341 return (rval);
342 }
343
344 /**
345 * qla2x00_reset_chip() - Reset ISP chip.
346 * @ha: HA context
347 *
348 * Returns 0 on success.
349 */
350 void
351 qla2x00_reset_chip(scsi_qla_host_t *ha)
352 {
353 unsigned long flags = 0;
354 struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
355 uint32_t cnt;
356 uint16_t cmd;
357
358 ha->isp_ops.disable_intrs(ha);
359
360 spin_lock_irqsave(&ha->hardware_lock, flags);
361
362 /* Turn off master enable */
363 cmd = 0;
364 pci_read_config_word(ha->pdev, PCI_COMMAND, &cmd);
365 cmd &= ~PCI_COMMAND_MASTER;
366 pci_write_config_word(ha->pdev, PCI_COMMAND, cmd);
367
368 if (!IS_QLA2100(ha)) {
369 /* Pause RISC. */
370 WRT_REG_WORD(&reg->hccr, HCCR_PAUSE_RISC);
371 if (IS_QLA2200(ha) || IS_QLA2300(ha)) {
372 for (cnt = 0; cnt < 30000; cnt++) {
373 if ((RD_REG_WORD(&reg->hccr) &
374 HCCR_RISC_PAUSE) != 0)
375 break;
376 udelay(100);
377 }
378 } else {
379 RD_REG_WORD(&reg->hccr); /* PCI Posting. */
380 udelay(10);
381 }
382
383 /* Select FPM registers. */
384 WRT_REG_WORD(&reg->ctrl_status, 0x20);
385 RD_REG_WORD(&reg->ctrl_status); /* PCI Posting. */
386
387 /* FPM Soft Reset. */
388 WRT_REG_WORD(&reg->fpm_diag_config, 0x100);
389 RD_REG_WORD(&reg->fpm_diag_config); /* PCI Posting. */
390
391 /* Toggle Fpm Reset. */
392 if (!IS_QLA2200(ha)) {
393 WRT_REG_WORD(&reg->fpm_diag_config, 0x0);
394 RD_REG_WORD(&reg->fpm_diag_config); /* PCI Posting. */
395 }
396
397 /* Select frame buffer registers. */
398 WRT_REG_WORD(&reg->ctrl_status, 0x10);
399 RD_REG_WORD(&reg->ctrl_status); /* PCI Posting. */
400
401 /* Reset frame buffer FIFOs. */
402 if (IS_QLA2200(ha)) {
403 WRT_FB_CMD_REG(ha, reg, 0xa000);
404 RD_FB_CMD_REG(ha, reg); /* PCI Posting. */
405 } else {
406 WRT_FB_CMD_REG(ha, reg, 0x00fc);
407
408 /* Read back fb_cmd until zero or 3 seconds max */
409 for (cnt = 0; cnt < 3000; cnt++) {
410 if ((RD_FB_CMD_REG(ha, reg) & 0xff) == 0)
411 break;
412 udelay(100);
413 }
414 }
415
416 /* Select RISC module registers. */
417 WRT_REG_WORD(&reg->ctrl_status, 0);
418 RD_REG_WORD(&reg->ctrl_status); /* PCI Posting. */
419
420 /* Reset RISC processor. */
421 WRT_REG_WORD(&reg->hccr, HCCR_RESET_RISC);
422 RD_REG_WORD(&reg->hccr); /* PCI Posting. */
423
424 /* Release RISC processor. */
425 WRT_REG_WORD(&reg->hccr, HCCR_RELEASE_RISC);
426 RD_REG_WORD(&reg->hccr); /* PCI Posting. */
427 }
428
429 WRT_REG_WORD(&reg->hccr, HCCR_CLR_RISC_INT);
430 WRT_REG_WORD(&reg->hccr, HCCR_CLR_HOST_INT);
431
432 /* Reset ISP chip. */
433 WRT_REG_WORD(&reg->ctrl_status, CSR_ISP_SOFT_RESET);
434
435 /* Wait for RISC to recover from reset. */
436 if (IS_QLA2100(ha) || IS_QLA2200(ha) || IS_QLA2300(ha)) {
437 /*
438 * It is necessary to for a delay here since the card doesn't
439 * respond to PCI reads during a reset. On some architectures
440 * this will result in an MCA.
441 */
442 udelay(20);
443 for (cnt = 30000; cnt; cnt--) {
444 if ((RD_REG_WORD(&reg->ctrl_status) &
445 CSR_ISP_SOFT_RESET) == 0)
446 break;
447 udelay(100);
448 }
449 } else
450 udelay(10);
451
452 /* Reset RISC processor. */
453 WRT_REG_WORD(&reg->hccr, HCCR_RESET_RISC);
454
455 WRT_REG_WORD(&reg->semaphore, 0);
456
457 /* Release RISC processor. */
458 WRT_REG_WORD(&reg->hccr, HCCR_RELEASE_RISC);
459 RD_REG_WORD(&reg->hccr); /* PCI Posting. */
460
461 if (IS_QLA2100(ha) || IS_QLA2200(ha) || IS_QLA2300(ha)) {
462 for (cnt = 0; cnt < 30000; cnt++) {
463 if (RD_MAILBOX_REG(ha, reg, 0) != MBS_BUSY)
464 break;
465
466 udelay(100);
467 }
468 } else
469 udelay(100);
470
471 /* Turn on master enable */
472 cmd |= PCI_COMMAND_MASTER;
473 pci_write_config_word(ha->pdev, PCI_COMMAND, cmd);
474
475 /* Disable RISC pause on FPM parity error. */
476 if (!IS_QLA2100(ha)) {
477 WRT_REG_WORD(&reg->hccr, HCCR_DISABLE_PARITY_PAUSE);
478 RD_REG_WORD(&reg->hccr); /* PCI Posting. */
479 }
480
481 spin_unlock_irqrestore(&ha->hardware_lock, flags);
482 }
483
484 /**
485 * qla24xx_reset_risc() - Perform full reset of ISP24xx RISC.
486 * @ha: HA context
487 *
488 * Returns 0 on success.
489 */
490 static inline void
491 qla24xx_reset_risc(scsi_qla_host_t *ha)
492 {
493 unsigned long flags = 0;
494 struct device_reg_24xx __iomem *reg = &ha->iobase->isp24;
495 uint32_t cnt, d2;
496 uint16_t wd;
497
498 spin_lock_irqsave(&ha->hardware_lock, flags);
499
500 /* Reset RISC. */
501 WRT_REG_DWORD(&reg->ctrl_status, CSRX_DMA_SHUTDOWN|MWB_4096_BYTES);
502 for (cnt = 0; cnt < 30000; cnt++) {
503 if ((RD_REG_DWORD(&reg->ctrl_status) & CSRX_DMA_ACTIVE) == 0)
504 break;
505
506 udelay(10);
507 }
508
509 WRT_REG_DWORD(&reg->ctrl_status,
510 CSRX_ISP_SOFT_RESET|CSRX_DMA_SHUTDOWN|MWB_4096_BYTES);
511 pci_read_config_word(ha->pdev, PCI_COMMAND, &wd);
512
513 udelay(100);
514 /* Wait for firmware to complete NVRAM accesses. */
515 d2 = (uint32_t) RD_REG_WORD(&reg->mailbox0);
516 for (cnt = 10000 ; cnt && d2; cnt--) {
517 udelay(5);
518 d2 = (uint32_t) RD_REG_WORD(&reg->mailbox0);
519 barrier();
520 }
521
522 /* Wait for soft-reset to complete. */
523 d2 = RD_REG_DWORD(&reg->ctrl_status);
524 for (cnt = 6000000 ; cnt && (d2 & CSRX_ISP_SOFT_RESET); cnt--) {
525 udelay(5);
526 d2 = RD_REG_DWORD(&reg->ctrl_status);
527 barrier();
528 }
529
530 WRT_REG_DWORD(&reg->hccr, HCCRX_SET_RISC_RESET);
531 RD_REG_DWORD(&reg->hccr);
532
533 WRT_REG_DWORD(&reg->hccr, HCCRX_REL_RISC_PAUSE);
534 RD_REG_DWORD(&reg->hccr);
535
536 WRT_REG_DWORD(&reg->hccr, HCCRX_CLR_RISC_RESET);
537 RD_REG_DWORD(&reg->hccr);
538
539 d2 = (uint32_t) RD_REG_WORD(&reg->mailbox0);
540 for (cnt = 6000000 ; cnt && d2; cnt--) {
541 udelay(5);
542 d2 = (uint32_t) RD_REG_WORD(&reg->mailbox0);
543 barrier();
544 }
545
546 spin_unlock_irqrestore(&ha->hardware_lock, flags);
547 }
548
549 /**
550 * qla24xx_reset_chip() - Reset ISP24xx chip.
551 * @ha: HA context
552 *
553 * Returns 0 on success.
554 */
555 void
556 qla24xx_reset_chip(scsi_qla_host_t *ha)
557 {
558 ha->isp_ops.disable_intrs(ha);
559
560 /* Perform RISC reset. */
561 qla24xx_reset_risc(ha);
562 }
563
564 /**
565 * qla2x00_chip_diag() - Test chip for proper operation.
566 * @ha: HA context
567 *
568 * Returns 0 on success.
569 */
570 int
571 qla2x00_chip_diag(scsi_qla_host_t *ha)
572 {
573 int rval;
574 struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
575 unsigned long flags = 0;
576 uint16_t data;
577 uint32_t cnt;
578 uint16_t mb[5];
579
580 /* Assume a failed state */
581 rval = QLA_FUNCTION_FAILED;
582
583 DEBUG3(printk("scsi(%ld): Testing device at %lx.\n",
584 ha->host_no, (u_long)&reg->flash_address));
585
586 spin_lock_irqsave(&ha->hardware_lock, flags);
587
588 /* Reset ISP chip. */
589 WRT_REG_WORD(&reg->ctrl_status, CSR_ISP_SOFT_RESET);
590
591 /*
592 * We need to have a delay here since the card will not respond while
593 * in reset causing an MCA on some architectures.
594 */
595 udelay(20);
596 data = qla2x00_debounce_register(&reg->ctrl_status);
597 for (cnt = 6000000 ; cnt && (data & CSR_ISP_SOFT_RESET); cnt--) {
598 udelay(5);
599 data = RD_REG_WORD(&reg->ctrl_status);
600 barrier();
601 }
602
603 if (!cnt)
604 goto chip_diag_failed;
605
606 DEBUG3(printk("scsi(%ld): Reset register cleared by chip reset\n",
607 ha->host_no));
608
609 /* Reset RISC processor. */
610 WRT_REG_WORD(&reg->hccr, HCCR_RESET_RISC);
611 WRT_REG_WORD(&reg->hccr, HCCR_RELEASE_RISC);
612
613 /* Workaround for QLA2312 PCI parity error */
614 if (IS_QLA2100(ha) || IS_QLA2200(ha) || IS_QLA2300(ha)) {
615 data = qla2x00_debounce_register(MAILBOX_REG(ha, reg, 0));
616 for (cnt = 6000000; cnt && (data == MBS_BUSY); cnt--) {
617 udelay(5);
618 data = RD_MAILBOX_REG(ha, reg, 0);
619 barrier();
620 }
621 } else
622 udelay(10);
623
624 if (!cnt)
625 goto chip_diag_failed;
626
627 /* Check product ID of chip */
628 DEBUG3(printk("scsi(%ld): Checking product ID of chip\n", ha->host_no));
629
630 mb[1] = RD_MAILBOX_REG(ha, reg, 1);
631 mb[2] = RD_MAILBOX_REG(ha, reg, 2);
632 mb[3] = RD_MAILBOX_REG(ha, reg, 3);
633 mb[4] = qla2x00_debounce_register(MAILBOX_REG(ha, reg, 4));
634 if (mb[1] != PROD_ID_1 || (mb[2] != PROD_ID_2 && mb[2] != PROD_ID_2a) ||
635 mb[3] != PROD_ID_3) {
636 qla_printk(KERN_WARNING, ha,
637 "Wrong product ID = 0x%x,0x%x,0x%x\n", mb[1], mb[2], mb[3]);
638
639 goto chip_diag_failed;
640 }
641 ha->product_id[0] = mb[1];
642 ha->product_id[1] = mb[2];
643 ha->product_id[2] = mb[3];
644 ha->product_id[3] = mb[4];
645
646 /* Adjust fw RISC transfer size */
647 if (ha->request_q_length > 1024)
648 ha->fw_transfer_size = REQUEST_ENTRY_SIZE * 1024;
649 else
650 ha->fw_transfer_size = REQUEST_ENTRY_SIZE *
651 ha->request_q_length;
652
653 if (IS_QLA2200(ha) &&
654 RD_MAILBOX_REG(ha, reg, 7) == QLA2200A_RISC_ROM_VER) {
655 /* Limit firmware transfer size with a 2200A */
656 DEBUG3(printk("scsi(%ld): Found QLA2200A chip.\n",
657 ha->host_no));
658
659 ha->device_type |= DT_ISP2200A;
660 ha->fw_transfer_size = 128;
661 }
662
663 /* Wrap Incoming Mailboxes Test. */
664 spin_unlock_irqrestore(&ha->hardware_lock, flags);
665
666 DEBUG3(printk("scsi(%ld): Checking mailboxes.\n", ha->host_no));
667 rval = qla2x00_mbx_reg_test(ha);
668 if (rval) {
669 DEBUG(printk("scsi(%ld): Failed mailbox send register test\n",
670 ha->host_no));
671 qla_printk(KERN_WARNING, ha,
672 "Failed mailbox send register test\n");
673 }
674 else {
675 /* Flag a successful rval */
676 rval = QLA_SUCCESS;
677 }
678 spin_lock_irqsave(&ha->hardware_lock, flags);
679
680 chip_diag_failed:
681 if (rval)
682 DEBUG2_3(printk("scsi(%ld): Chip diagnostics **** FAILED "
683 "****\n", ha->host_no));
684
685 spin_unlock_irqrestore(&ha->hardware_lock, flags);
686
687 return (rval);
688 }
689
690 /**
691 * qla24xx_chip_diag() - Test ISP24xx for proper operation.
692 * @ha: HA context
693 *
694 * Returns 0 on success.
695 */
696 int
697 qla24xx_chip_diag(scsi_qla_host_t *ha)
698 {
699 int rval;
700
701 /* Perform RISC reset. */
702 qla24xx_reset_risc(ha);
703
704 ha->fw_transfer_size = REQUEST_ENTRY_SIZE * 1024;
705
706 rval = qla2x00_mbx_reg_test(ha);
707 if (rval) {
708 DEBUG(printk("scsi(%ld): Failed mailbox send register test\n",
709 ha->host_no));
710 qla_printk(KERN_WARNING, ha,
711 "Failed mailbox send register test\n");
712 } else {
713 /* Flag a successful rval */
714 rval = QLA_SUCCESS;
715 }
716
717 return rval;
718 }
719
720 void
721 qla2x00_alloc_fw_dump(scsi_qla_host_t *ha)
722 {
723 int rval;
724 uint32_t dump_size, fixed_size, mem_size, req_q_size, rsp_q_size,
725 eft_size;
726 dma_addr_t eft_dma;
727 void *eft;
728
729 if (ha->fw_dump) {
730 qla_printk(KERN_WARNING, ha,
731 "Firmware dump previously allocated.\n");
732 return;
733 }
734
735 ha->fw_dumped = 0;
736 fixed_size = mem_size = eft_size = 0;
737 if (IS_QLA2100(ha) || IS_QLA2200(ha)) {
738 fixed_size = sizeof(struct qla2100_fw_dump);
739 } else if (IS_QLA23XX(ha)) {
740 fixed_size = offsetof(struct qla2300_fw_dump, data_ram);
741 mem_size = (ha->fw_memory_size - 0x11000 + 1) *
742 sizeof(uint16_t);
743 } else if (IS_QLA24XX(ha) || IS_QLA54XX(ha)) {
744 fixed_size = offsetof(struct qla24xx_fw_dump, ext_mem);
745 mem_size = (ha->fw_memory_size - 0x100000 + 1) *
746 sizeof(uint32_t);
747
748 /* Allocate memory for Extended Trace Buffer. */
749 eft = dma_alloc_coherent(&ha->pdev->dev, EFT_SIZE, &eft_dma,
750 GFP_KERNEL);
751 if (!eft) {
752 qla_printk(KERN_WARNING, ha, "Unable to allocate "
753 "(%d KB) for EFT.\n", EFT_SIZE / 1024);
754 goto cont_alloc;
755 }
756
757 rval = qla2x00_trace_control(ha, TC_ENABLE, eft_dma,
758 EFT_NUM_BUFFERS);
759 if (rval) {
760 qla_printk(KERN_WARNING, ha, "Unable to initialize "
761 "EFT (%d).\n", rval);
762 dma_free_coherent(&ha->pdev->dev, EFT_SIZE, eft,
763 eft_dma);
764 goto cont_alloc;
765 }
766
767 qla_printk(KERN_INFO, ha, "Allocated (%d KB) for EFT...\n",
768 EFT_SIZE / 1024);
769
770 eft_size = EFT_SIZE;
771 memset(eft, 0, eft_size);
772 ha->eft_dma = eft_dma;
773 ha->eft = eft;
774 }
775 cont_alloc:
776 req_q_size = ha->request_q_length * sizeof(request_t);
777 rsp_q_size = ha->response_q_length * sizeof(response_t);
778
779 dump_size = offsetof(struct qla2xxx_fw_dump, isp);
780 dump_size += fixed_size + mem_size + req_q_size + rsp_q_size +
781 eft_size;
782
783 ha->fw_dump = vmalloc(dump_size);
784 if (!ha->fw_dump) {
785 qla_printk(KERN_WARNING, ha, "Unable to allocate (%d KB) for "
786 "firmware dump!!!\n", dump_size / 1024);
787
788 if (ha->eft) {
789 dma_free_coherent(&ha->pdev->dev, eft_size, ha->eft,
790 ha->eft_dma);
791 ha->eft = NULL;
792 ha->eft_dma = 0;
793 }
794 return;
795 }
796
797 qla_printk(KERN_INFO, ha, "Allocated (%d KB) for firmware dump...\n",
798 dump_size / 1024);
799
800 ha->fw_dump_len = dump_size;
801 ha->fw_dump->signature[0] = 'Q';
802 ha->fw_dump->signature[1] = 'L';
803 ha->fw_dump->signature[2] = 'G';
804 ha->fw_dump->signature[3] = 'C';
805 ha->fw_dump->version = __constant_htonl(1);
806
807 ha->fw_dump->fixed_size = htonl(fixed_size);
808 ha->fw_dump->mem_size = htonl(mem_size);
809 ha->fw_dump->req_q_size = htonl(req_q_size);
810 ha->fw_dump->rsp_q_size = htonl(rsp_q_size);
811
812 ha->fw_dump->eft_size = htonl(eft_size);
813 ha->fw_dump->eft_addr_l = htonl(LSD(ha->eft_dma));
814 ha->fw_dump->eft_addr_h = htonl(MSD(ha->eft_dma));
815
816 ha->fw_dump->header_size =
817 htonl(offsetof(struct qla2xxx_fw_dump, isp));
818 }
819
820 /**
821 * qla2x00_resize_request_q() - Resize request queue given available ISP memory.
822 * @ha: HA context
823 *
824 * Returns 0 on success.
825 */
826 static void
827 qla2x00_resize_request_q(scsi_qla_host_t *ha)
828 {
829 int rval;
830 uint16_t fw_iocb_cnt = 0;
831 uint16_t request_q_length = REQUEST_ENTRY_CNT_2XXX_EXT_MEM;
832 dma_addr_t request_dma;
833 request_t *request_ring;
834
835 /* Valid only on recent ISPs. */
836 if (IS_QLA2100(ha) || IS_QLA2200(ha))
837 return;
838
839 /* Retrieve IOCB counts available to the firmware. */
840 rval = qla2x00_get_resource_cnts(ha, NULL, NULL, NULL, &fw_iocb_cnt);
841 if (rval)
842 return;
843 /* No point in continuing if current settings are sufficient. */
844 if (fw_iocb_cnt < 1024)
845 return;
846 if (ha->request_q_length >= request_q_length)
847 return;
848
849 /* Attempt to claim larger area for request queue. */
850 request_ring = dma_alloc_coherent(&ha->pdev->dev,
851 (request_q_length + 1) * sizeof(request_t), &request_dma,
852 GFP_KERNEL);
853 if (request_ring == NULL)
854 return;
855
856 /* Resize successful, report extensions. */
857 qla_printk(KERN_INFO, ha, "Extended memory detected (%d KB)...\n",
858 (ha->fw_memory_size + 1) / 1024);
859 qla_printk(KERN_INFO, ha, "Resizing request queue depth "
860 "(%d -> %d)...\n", ha->request_q_length, request_q_length);
861
862 /* Clear old allocations. */
863 dma_free_coherent(&ha->pdev->dev,
864 (ha->request_q_length + 1) * sizeof(request_t), ha->request_ring,
865 ha->request_dma);
866
867 /* Begin using larger queue. */
868 ha->request_q_length = request_q_length;
869 ha->request_ring = request_ring;
870 ha->request_dma = request_dma;
871 }
872
873 /**
874 * qla2x00_setup_chip() - Load and start RISC firmware.
875 * @ha: HA context
876 *
877 * Returns 0 on success.
878 */
879 static int
880 qla2x00_setup_chip(scsi_qla_host_t *ha)
881 {
882 int rval;
883 uint32_t srisc_address = 0;
884
885 /* Load firmware sequences */
886 rval = ha->isp_ops.load_risc(ha, &srisc_address);
887 if (rval == QLA_SUCCESS) {
888 DEBUG(printk("scsi(%ld): Verifying Checksum of loaded RISC "
889 "code.\n", ha->host_no));
890
891 rval = qla2x00_verify_checksum(ha, srisc_address);
892 if (rval == QLA_SUCCESS) {
893 /* Start firmware execution. */
894 DEBUG(printk("scsi(%ld): Checksum OK, start "
895 "firmware.\n", ha->host_no));
896
897 rval = qla2x00_execute_fw(ha, srisc_address);
898 /* Retrieve firmware information. */
899 if (rval == QLA_SUCCESS && ha->fw_major_version == 0) {
900 qla2x00_get_fw_version(ha,
901 &ha->fw_major_version,
902 &ha->fw_minor_version,
903 &ha->fw_subminor_version,
904 &ha->fw_attributes, &ha->fw_memory_size);
905 qla2x00_resize_request_q(ha);
906
907 if (ql2xallocfwdump)
908 qla2x00_alloc_fw_dump(ha);
909 }
910 } else {
911 DEBUG2(printk(KERN_INFO
912 "scsi(%ld): ISP Firmware failed checksum.\n",
913 ha->host_no));
914 }
915 }
916
917 if (rval) {
918 DEBUG2_3(printk("scsi(%ld): Setup chip **** FAILED ****.\n",
919 ha->host_no));
920 }
921
922 return (rval);
923 }
924
925 /**
926 * qla2x00_init_response_q_entries() - Initializes response queue entries.
927 * @ha: HA context
928 *
929 * Beginning of request ring has initialization control block already built
930 * by nvram config routine.
931 *
932 * Returns 0 on success.
933 */
934 static void
935 qla2x00_init_response_q_entries(scsi_qla_host_t *ha)
936 {
937 uint16_t cnt;
938 response_t *pkt;
939
940 pkt = ha->response_ring_ptr;
941 for (cnt = 0; cnt < ha->response_q_length; cnt++) {
942 pkt->signature = RESPONSE_PROCESSED;
943 pkt++;
944 }
945
946 }
947
948 /**
949 * qla2x00_update_fw_options() - Read and process firmware options.
950 * @ha: HA context
951 *
952 * Returns 0 on success.
953 */
954 void
955 qla2x00_update_fw_options(scsi_qla_host_t *ha)
956 {
957 uint16_t swing, emphasis, tx_sens, rx_sens;
958
959 memset(ha->fw_options, 0, sizeof(ha->fw_options));
960 qla2x00_get_fw_options(ha, ha->fw_options);
961
962 if (IS_QLA2100(ha) || IS_QLA2200(ha))
963 return;
964
965 /* Serial Link options. */
966 DEBUG3(printk("scsi(%ld): Serial link options:\n",
967 ha->host_no));
968 DEBUG3(qla2x00_dump_buffer((uint8_t *)&ha->fw_seriallink_options,
969 sizeof(ha->fw_seriallink_options)));
970
971 ha->fw_options[1] &= ~FO1_SET_EMPHASIS_SWING;
972 if (ha->fw_seriallink_options[3] & BIT_2) {
973 ha->fw_options[1] |= FO1_SET_EMPHASIS_SWING;
974
975 /* 1G settings */
976 swing = ha->fw_seriallink_options[2] & (BIT_2 | BIT_1 | BIT_0);
977 emphasis = (ha->fw_seriallink_options[2] &
978 (BIT_4 | BIT_3)) >> 3;
979 tx_sens = ha->fw_seriallink_options[0] &
980 (BIT_3 | BIT_2 | BIT_1 | BIT_0);
981 rx_sens = (ha->fw_seriallink_options[0] &
982 (BIT_7 | BIT_6 | BIT_5 | BIT_4)) >> 4;
983 ha->fw_options[10] = (emphasis << 14) | (swing << 8);
984 if (IS_QLA2300(ha) || IS_QLA2312(ha) || IS_QLA6312(ha)) {
985 if (rx_sens == 0x0)
986 rx_sens = 0x3;
987 ha->fw_options[10] |= (tx_sens << 4) | rx_sens;
988 } else if (IS_QLA2322(ha) || IS_QLA6322(ha))
989 ha->fw_options[10] |= BIT_5 |
990 ((rx_sens & (BIT_1 | BIT_0)) << 2) |
991 (tx_sens & (BIT_1 | BIT_0));
992
993 /* 2G settings */
994 swing = (ha->fw_seriallink_options[2] &
995 (BIT_7 | BIT_6 | BIT_5)) >> 5;
996 emphasis = ha->fw_seriallink_options[3] & (BIT_1 | BIT_0);
997 tx_sens = ha->fw_seriallink_options[1] &
998 (BIT_3 | BIT_2 | BIT_1 | BIT_0);
999 rx_sens = (ha->fw_seriallink_options[1] &
1000 (BIT_7 | BIT_6 | BIT_5 | BIT_4)) >> 4;
1001 ha->fw_options[11] = (emphasis << 14) | (swing << 8);
1002 if (IS_QLA2300(ha) || IS_QLA2312(ha) || IS_QLA6312(ha)) {
1003 if (rx_sens == 0x0)
1004 rx_sens = 0x3;
1005 ha->fw_options[11] |= (tx_sens << 4) | rx_sens;
1006 } else if (IS_QLA2322(ha) || IS_QLA6322(ha))
1007 ha->fw_options[11] |= BIT_5 |
1008 ((rx_sens & (BIT_1 | BIT_0)) << 2) |
1009 (tx_sens & (BIT_1 | BIT_0));
1010 }
1011
1012 /* FCP2 options. */
1013 /* Return command IOCBs without waiting for an ABTS to complete. */
1014 ha->fw_options[3] |= BIT_13;
1015
1016 /* LED scheme. */
1017 if (ha->flags.enable_led_scheme)
1018 ha->fw_options[2] |= BIT_12;
1019
1020 /* Detect ISP6312. */
1021 if (IS_QLA6312(ha))
1022 ha->fw_options[2] |= BIT_13;
1023
1024 /* Update firmware options. */
1025 qla2x00_set_fw_options(ha, ha->fw_options);
1026 }
1027
1028 void
1029 qla24xx_update_fw_options(scsi_qla_host_t *ha)
1030 {
1031 int rval;
1032
1033 /* Update Serial Link options. */
1034 if ((le16_to_cpu(ha->fw_seriallink_options24[0]) & BIT_0) == 0)
1035 return;
1036
1037 rval = qla2x00_set_serdes_params(ha,
1038 le16_to_cpu(ha->fw_seriallink_options24[1]),
1039 le16_to_cpu(ha->fw_seriallink_options24[2]),
1040 le16_to_cpu(ha->fw_seriallink_options24[3]));
1041 if (rval != QLA_SUCCESS) {
1042 qla_printk(KERN_WARNING, ha,
1043 "Unable to update Serial Link options (%x).\n", rval);
1044 }
1045 }
1046
1047 void
1048 qla2x00_config_rings(struct scsi_qla_host *ha)
1049 {
1050 struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
1051
1052 /* Setup ring parameters in initialization control block. */
1053 ha->init_cb->request_q_outpointer = __constant_cpu_to_le16(0);
1054 ha->init_cb->response_q_inpointer = __constant_cpu_to_le16(0);
1055 ha->init_cb->request_q_length = cpu_to_le16(ha->request_q_length);
1056 ha->init_cb->response_q_length = cpu_to_le16(ha->response_q_length);
1057 ha->init_cb->request_q_address[0] = cpu_to_le32(LSD(ha->request_dma));
1058 ha->init_cb->request_q_address[1] = cpu_to_le32(MSD(ha->request_dma));
1059 ha->init_cb->response_q_address[0] = cpu_to_le32(LSD(ha->response_dma));
1060 ha->init_cb->response_q_address[1] = cpu_to_le32(MSD(ha->response_dma));
1061
1062 WRT_REG_WORD(ISP_REQ_Q_IN(ha, reg), 0);
1063 WRT_REG_WORD(ISP_REQ_Q_OUT(ha, reg), 0);
1064 WRT_REG_WORD(ISP_RSP_Q_IN(ha, reg), 0);
1065 WRT_REG_WORD(ISP_RSP_Q_OUT(ha, reg), 0);
1066 RD_REG_WORD(ISP_RSP_Q_OUT(ha, reg)); /* PCI Posting. */
1067 }
1068
1069 void
1070 qla24xx_config_rings(struct scsi_qla_host *ha)
1071 {
1072 struct device_reg_24xx __iomem *reg = &ha->iobase->isp24;
1073 struct init_cb_24xx *icb;
1074
1075 /* Setup ring parameters in initialization control block. */
1076 icb = (struct init_cb_24xx *)ha->init_cb;
1077 icb->request_q_outpointer = __constant_cpu_to_le16(0);
1078 icb->response_q_inpointer = __constant_cpu_to_le16(0);
1079 icb->request_q_length = cpu_to_le16(ha->request_q_length);
1080 icb->response_q_length = cpu_to_le16(ha->response_q_length);
1081 icb->request_q_address[0] = cpu_to_le32(LSD(ha->request_dma));
1082 icb->request_q_address[1] = cpu_to_le32(MSD(ha->request_dma));
1083 icb->response_q_address[0] = cpu_to_le32(LSD(ha->response_dma));
1084 icb->response_q_address[1] = cpu_to_le32(MSD(ha->response_dma));
1085
1086 WRT_REG_DWORD(&reg->req_q_in, 0);
1087 WRT_REG_DWORD(&reg->req_q_out, 0);
1088 WRT_REG_DWORD(&reg->rsp_q_in, 0);
1089 WRT_REG_DWORD(&reg->rsp_q_out, 0);
1090 RD_REG_DWORD(&reg->rsp_q_out);
1091 }
1092
1093 /**
1094 * qla2x00_init_rings() - Initializes firmware.
1095 * @ha: HA context
1096 *
1097 * Beginning of request ring has initialization control block already built
1098 * by nvram config routine.
1099 *
1100 * Returns 0 on success.
1101 */
1102 static int
1103 qla2x00_init_rings(scsi_qla_host_t *ha)
1104 {
1105 int rval;
1106 unsigned long flags = 0;
1107 int cnt;
1108
1109 spin_lock_irqsave(&ha->hardware_lock, flags);
1110
1111 /* Clear outstanding commands array. */
1112 for (cnt = 0; cnt < MAX_OUTSTANDING_COMMANDS; cnt++)
1113 ha->outstanding_cmds[cnt] = NULL;
1114
1115 ha->current_outstanding_cmd = 0;
1116
1117 /* Clear RSCN queue. */
1118 ha->rscn_in_ptr = 0;
1119 ha->rscn_out_ptr = 0;
1120
1121 /* Initialize firmware. */
1122 ha->request_ring_ptr = ha->request_ring;
1123 ha->req_ring_index = 0;
1124 ha->req_q_cnt = ha->request_q_length;
1125 ha->response_ring_ptr = ha->response_ring;
1126 ha->rsp_ring_index = 0;
1127
1128 /* Initialize response queue entries */
1129 qla2x00_init_response_q_entries(ha);
1130
1131 ha->isp_ops.config_rings(ha);
1132
1133 spin_unlock_irqrestore(&ha->hardware_lock, flags);
1134
1135 /* Update any ISP specific firmware options before initialization. */
1136 ha->isp_ops.update_fw_options(ha);
1137
1138 DEBUG(printk("scsi(%ld): Issue init firmware.\n", ha->host_no));
1139 rval = qla2x00_init_firmware(ha, ha->init_cb_size);
1140 if (rval) {
1141 DEBUG2_3(printk("scsi(%ld): Init firmware **** FAILED ****.\n",
1142 ha->host_no));
1143 } else {
1144 DEBUG3(printk("scsi(%ld): Init firmware -- success.\n",
1145 ha->host_no));
1146 }
1147
1148 return (rval);
1149 }
1150
1151 /**
1152 * qla2x00_fw_ready() - Waits for firmware ready.
1153 * @ha: HA context
1154 *
1155 * Returns 0 on success.
1156 */
1157 static int
1158 qla2x00_fw_ready(scsi_qla_host_t *ha)
1159 {
1160 int rval;
1161 unsigned long wtime, mtime;
1162 uint16_t min_wait; /* Minimum wait time if loop is down */
1163 uint16_t wait_time; /* Wait time if loop is coming ready */
1164 uint16_t fw_state;
1165
1166 rval = QLA_SUCCESS;
1167
1168 /* 20 seconds for loop down. */
1169 min_wait = 20;
1170
1171 /*
1172 * Firmware should take at most one RATOV to login, plus 5 seconds for
1173 * our own processing.
1174 */
1175 if ((wait_time = (ha->retry_count*ha->login_timeout) + 5) < min_wait) {
1176 wait_time = min_wait;
1177 }
1178
1179 /* Min wait time if loop down */
1180 mtime = jiffies + (min_wait * HZ);
1181
1182 /* wait time before firmware ready */
1183 wtime = jiffies + (wait_time * HZ);
1184
1185 /* Wait for ISP to finish LIP */
1186 if (!ha->flags.init_done)
1187 qla_printk(KERN_INFO, ha, "Waiting for LIP to complete...\n");
1188
1189 DEBUG3(printk("scsi(%ld): Waiting for LIP to complete...\n",
1190 ha->host_no));
1191
1192 do {
1193 rval = qla2x00_get_firmware_state(ha, &fw_state);
1194 if (rval == QLA_SUCCESS) {
1195 if (fw_state < FSTATE_LOSS_OF_SYNC) {
1196 ha->device_flags &= ~DFLG_NO_CABLE;
1197 }
1198 if (fw_state == FSTATE_READY) {
1199 DEBUG(printk("scsi(%ld): F/W Ready - OK \n",
1200 ha->host_no));
1201
1202 qla2x00_get_retry_cnt(ha, &ha->retry_count,
1203 &ha->login_timeout, &ha->r_a_tov);
1204
1205 rval = QLA_SUCCESS;
1206 break;
1207 }
1208
1209 rval = QLA_FUNCTION_FAILED;
1210
1211 if (atomic_read(&ha->loop_down_timer) &&
1212 fw_state != FSTATE_READY) {
1213 /* Loop down. Timeout on min_wait for states
1214 * other than Wait for Login.
1215 */
1216 if (time_after_eq(jiffies, mtime)) {
1217 qla_printk(KERN_INFO, ha,
1218 "Cable is unplugged...\n");
1219
1220 ha->device_flags |= DFLG_NO_CABLE;
1221 break;
1222 }
1223 }
1224 } else {
1225 /* Mailbox cmd failed. Timeout on min_wait. */
1226 if (time_after_eq(jiffies, mtime))
1227 break;
1228 }
1229
1230 if (time_after_eq(jiffies, wtime))
1231 break;
1232
1233 /* Delay for a while */
1234 msleep(500);
1235
1236 DEBUG3(printk("scsi(%ld): fw_state=%x curr time=%lx.\n",
1237 ha->host_no, fw_state, jiffies));
1238 } while (1);
1239
1240 DEBUG(printk("scsi(%ld): fw_state=%x curr time=%lx.\n",
1241 ha->host_no, fw_state, jiffies));
1242
1243 if (rval) {
1244 DEBUG2_3(printk("scsi(%ld): Firmware ready **** FAILED ****.\n",
1245 ha->host_no));
1246 }
1247
1248 return (rval);
1249 }
1250
1251 /*
1252 * qla2x00_configure_hba
1253 * Setup adapter context.
1254 *
1255 * Input:
1256 * ha = adapter state pointer.
1257 *
1258 * Returns:
1259 * 0 = success
1260 *
1261 * Context:
1262 * Kernel context.
1263 */
1264 static int
1265 qla2x00_configure_hba(scsi_qla_host_t *ha)
1266 {
1267 int rval;
1268 uint16_t loop_id;
1269 uint16_t topo;
1270 uint8_t al_pa;
1271 uint8_t area;
1272 uint8_t domain;
1273 char connect_type[22];
1274
1275 /* Get host addresses. */
1276 rval = qla2x00_get_adapter_id(ha,
1277 &loop_id, &al_pa, &area, &domain, &topo);
1278 if (rval != QLA_SUCCESS) {
1279 if (LOOP_TRANSITION(ha) || atomic_read(&ha->loop_down_timer) ||
1280 (rval == QLA_COMMAND_ERROR && loop_id == 0x7)) {
1281 DEBUG2(printk("%s(%ld) Loop is in a transition state\n",
1282 __func__, ha->host_no));
1283 } else {
1284 qla_printk(KERN_WARNING, ha,
1285 "ERROR -- Unable to get host loop ID.\n");
1286 set_bit(ISP_ABORT_NEEDED, &ha->dpc_flags);
1287 }
1288 return (rval);
1289 }
1290
1291 if (topo == 4) {
1292 qla_printk(KERN_INFO, ha,
1293 "Cannot get topology - retrying.\n");
1294 return (QLA_FUNCTION_FAILED);
1295 }
1296
1297 ha->loop_id = loop_id;
1298
1299 /* initialize */
1300 ha->min_external_loopid = SNS_FIRST_LOOP_ID;
1301 ha->operating_mode = LOOP;
1302
1303 switch (topo) {
1304 case 0:
1305 DEBUG3(printk("scsi(%ld): HBA in NL topology.\n",
1306 ha->host_no));
1307 ha->current_topology = ISP_CFG_NL;
1308 strcpy(connect_type, "(Loop)");
1309 break;
1310
1311 case 1:
1312 DEBUG3(printk("scsi(%ld): HBA in FL topology.\n",
1313 ha->host_no));
1314 ha->current_topology = ISP_CFG_FL;
1315 strcpy(connect_type, "(FL_Port)");
1316 break;
1317
1318 case 2:
1319 DEBUG3(printk("scsi(%ld): HBA in N P2P topology.\n",
1320 ha->host_no));
1321 ha->operating_mode = P2P;
1322 ha->current_topology = ISP_CFG_N;
1323 strcpy(connect_type, "(N_Port-to-N_Port)");
1324 break;
1325
1326 case 3:
1327 DEBUG3(printk("scsi(%ld): HBA in F P2P topology.\n",
1328 ha->host_no));
1329 ha->operating_mode = P2P;
1330 ha->current_topology = ISP_CFG_F;
1331 strcpy(connect_type, "(F_Port)");
1332 break;
1333
1334 default:
1335 DEBUG3(printk("scsi(%ld): HBA in unknown topology %x. "
1336 "Using NL.\n",
1337 ha->host_no, topo));
1338 ha->current_topology = ISP_CFG_NL;
1339 strcpy(connect_type, "(Loop)");
1340 break;
1341 }
1342
1343 /* Save Host port and loop ID. */
1344 /* byte order - Big Endian */
1345 ha->d_id.b.domain = domain;
1346 ha->d_id.b.area = area;
1347 ha->d_id.b.al_pa = al_pa;
1348
1349 if (!ha->flags.init_done)
1350 qla_printk(KERN_INFO, ha,
1351 "Topology - %s, Host Loop address 0x%x\n",
1352 connect_type, ha->loop_id);
1353
1354 if (rval) {
1355 DEBUG2_3(printk("scsi(%ld): FAILED.\n", ha->host_no));
1356 } else {
1357 DEBUG3(printk("scsi(%ld): exiting normally.\n", ha->host_no));
1358 }
1359
1360 return(rval);
1361 }
1362
1363 static inline void
1364 qla2x00_set_model_info(scsi_qla_host_t *ha, uint8_t *model, size_t len, char *def)
1365 {
1366 char *st, *en;
1367 uint16_t index;
1368
1369 if (memcmp(model, BINZERO, len) != 0) {
1370 strncpy(ha->model_number, model, len);
1371 st = en = ha->model_number;
1372 en += len - 1;
1373 while (en > st) {
1374 if (*en != 0x20 && *en != 0x00)
1375 break;
1376 *en-- = '\0';
1377 }
1378
1379 index = (ha->pdev->subsystem_device & 0xff);
1380 if (ha->pdev->subsystem_vendor == PCI_VENDOR_ID_QLOGIC &&
1381 index < QLA_MODEL_NAMES)
1382 ha->model_desc = qla2x00_model_name[index * 2 + 1];
1383 } else {
1384 index = (ha->pdev->subsystem_device & 0xff);
1385 if (ha->pdev->subsystem_vendor == PCI_VENDOR_ID_QLOGIC &&
1386 index < QLA_MODEL_NAMES) {
1387 strcpy(ha->model_number,
1388 qla2x00_model_name[index * 2]);
1389 ha->model_desc = qla2x00_model_name[index * 2 + 1];
1390 } else {
1391 strcpy(ha->model_number, def);
1392 }
1393 }
1394 }
1395
1396 /*
1397 * NVRAM configuration for ISP 2xxx
1398 *
1399 * Input:
1400 * ha = adapter block pointer.
1401 *
1402 * Output:
1403 * initialization control block in response_ring
1404 * host adapters parameters in host adapter block
1405 *
1406 * Returns:
1407 * 0 = success.
1408 */
1409 int
1410 qla2x00_nvram_config(scsi_qla_host_t *ha)
1411 {
1412 uint8_t chksum = 0;
1413 uint16_t cnt;
1414 uint8_t *dptr1, *dptr2;
1415 init_cb_t *icb = ha->init_cb;
1416 nvram_t *nv = (nvram_t *)ha->request_ring;
1417 uint8_t *ptr = (uint8_t *)ha->request_ring;
1418 struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
1419
1420 /* Determine NVRAM starting address. */
1421 ha->nvram_size = sizeof(nvram_t);
1422 ha->nvram_base = 0;
1423 if (!IS_QLA2100(ha) && !IS_QLA2200(ha) && !IS_QLA2300(ha))
1424 if ((RD_REG_WORD(&reg->ctrl_status) >> 14) == 1)
1425 ha->nvram_base = 0x80;
1426
1427 /* Get NVRAM data and calculate checksum. */
1428 ha->isp_ops.read_nvram(ha, ptr, ha->nvram_base, ha->nvram_size);
1429 for (cnt = 0, chksum = 0; cnt < ha->nvram_size; cnt++)
1430 chksum += *ptr++;
1431
1432 DEBUG5(printk("scsi(%ld): Contents of NVRAM\n", ha->host_no));
1433 DEBUG5(qla2x00_dump_buffer((uint8_t *)ha->request_ring,
1434 ha->nvram_size));
1435
1436 /* Bad NVRAM data, set defaults parameters. */
1437 if (chksum || nv->id[0] != 'I' || nv->id[1] != 'S' ||
1438 nv->id[2] != 'P' || nv->id[3] != ' ' || nv->nvram_version < 1) {
1439 /* Reset NVRAM data. */
1440 qla_printk(KERN_WARNING, ha, "Inconsistent NVRAM detected: "
1441 "checksum=0x%x id=%c version=0x%x.\n", chksum, nv->id[0],
1442 nv->nvram_version);
1443 return QLA_FUNCTION_FAILED;
1444 }
1445
1446 #if defined(CONFIG_IA64_GENERIC) || defined(CONFIG_IA64_SGI_SN2)
1447 /*
1448 * The SN2 does not provide BIOS emulation which means you can't change
1449 * potentially bogus BIOS settings. Force the use of default settings
1450 * for link rate and frame size. Hope that the rest of the settings
1451 * are valid.
1452 */
1453 if (ia64_platform_is("sn2")) {
1454 nv->frame_payload_size = __constant_cpu_to_le16(2048);
1455 if (IS_QLA23XX(ha))
1456 nv->special_options[1] = BIT_7;
1457 }
1458 #endif
1459
1460 /* Reset Initialization control block */
1461 memset(icb, 0, ha->init_cb_size);
1462
1463 /*
1464 * Setup driver NVRAM options.
1465 */
1466 nv->firmware_options[0] |= (BIT_6 | BIT_1);
1467 nv->firmware_options[0] &= ~(BIT_5 | BIT_4);
1468 nv->firmware_options[1] |= (BIT_5 | BIT_0);
1469 nv->firmware_options[1] &= ~BIT_4;
1470
1471 if (IS_QLA23XX(ha)) {
1472 nv->firmware_options[0] |= BIT_2;
1473 nv->firmware_options[0] &= ~BIT_3;
1474 nv->add_firmware_options[1] |= BIT_5 | BIT_4;
1475
1476 if (IS_QLA2300(ha)) {
1477 if (ha->fb_rev == FPM_2310) {
1478 strcpy(ha->model_number, "QLA2310");
1479 } else {
1480 strcpy(ha->model_number, "QLA2300");
1481 }
1482 } else {
1483 qla2x00_set_model_info(ha, nv->model_number,
1484 sizeof(nv->model_number), "QLA23xx");
1485 }
1486 } else if (IS_QLA2200(ha)) {
1487 nv->firmware_options[0] |= BIT_2;
1488 /*
1489 * 'Point-to-point preferred, else loop' is not a safe
1490 * connection mode setting.
1491 */
1492 if ((nv->add_firmware_options[0] & (BIT_6 | BIT_5 | BIT_4)) ==
1493 (BIT_5 | BIT_4)) {
1494 /* Force 'loop preferred, else point-to-point'. */
1495 nv->add_firmware_options[0] &= ~(BIT_6 | BIT_5 | BIT_4);
1496 nv->add_firmware_options[0] |= BIT_5;
1497 }
1498 strcpy(ha->model_number, "QLA22xx");
1499 } else /*if (IS_QLA2100(ha))*/ {
1500 strcpy(ha->model_number, "QLA2100");
1501 }
1502
1503 /*
1504 * Copy over NVRAM RISC parameter block to initialization control block.
1505 */
1506 dptr1 = (uint8_t *)icb;
1507 dptr2 = (uint8_t *)&nv->parameter_block_version;
1508 cnt = (uint8_t *)&icb->request_q_outpointer - (uint8_t *)&icb->version;
1509 while (cnt--)
1510 *dptr1++ = *dptr2++;
1511
1512 /* Copy 2nd half. */
1513 dptr1 = (uint8_t *)icb->add_firmware_options;
1514 cnt = (uint8_t *)icb->reserved_3 - (uint8_t *)icb->add_firmware_options;
1515 while (cnt--)
1516 *dptr1++ = *dptr2++;
1517
1518 /* Use alternate WWN? */
1519 if (nv->host_p[1] & BIT_7) {
1520 memcpy(icb->node_name, nv->alternate_node_name, WWN_SIZE);
1521 memcpy(icb->port_name, nv->alternate_port_name, WWN_SIZE);
1522 }
1523
1524 /* Prepare nodename */
1525 if ((icb->firmware_options[1] & BIT_6) == 0) {
1526 /*
1527 * Firmware will apply the following mask if the nodename was
1528 * not provided.
1529 */
1530 memcpy(icb->node_name, icb->port_name, WWN_SIZE);
1531 icb->node_name[0] &= 0xF0;
1532 }
1533
1534 /*
1535 * Set host adapter parameters.
1536 */
1537 if (nv->host_p[0] & BIT_7)
1538 ql2xextended_error_logging = 1;
1539 ha->flags.disable_risc_code_load = ((nv->host_p[0] & BIT_4) ? 1 : 0);
1540 /* Always load RISC code on non ISP2[12]00 chips. */
1541 if (!IS_QLA2100(ha) && !IS_QLA2200(ha))
1542 ha->flags.disable_risc_code_load = 0;
1543 ha->flags.enable_lip_reset = ((nv->host_p[1] & BIT_1) ? 1 : 0);
1544 ha->flags.enable_lip_full_login = ((nv->host_p[1] & BIT_2) ? 1 : 0);
1545 ha->flags.enable_target_reset = ((nv->host_p[1] & BIT_3) ? 1 : 0);
1546 ha->flags.enable_led_scheme = (nv->special_options[1] & BIT_4) ? 1 : 0;
1547 ha->flags.disable_serdes = 0;
1548
1549 ha->operating_mode =
1550 (icb->add_firmware_options[0] & (BIT_6 | BIT_5 | BIT_4)) >> 4;
1551
1552 memcpy(ha->fw_seriallink_options, nv->seriallink_options,
1553 sizeof(ha->fw_seriallink_options));
1554
1555 /* save HBA serial number */
1556 ha->serial0 = icb->port_name[5];
1557 ha->serial1 = icb->port_name[6];
1558 ha->serial2 = icb->port_name[7];
1559 ha->node_name = icb->node_name;
1560 ha->port_name = icb->port_name;
1561
1562 icb->execution_throttle = __constant_cpu_to_le16(0xFFFF);
1563
1564 ha->retry_count = nv->retry_count;
1565
1566 /* Set minimum login_timeout to 4 seconds. */
1567 if (nv->login_timeout < ql2xlogintimeout)
1568 nv->login_timeout = ql2xlogintimeout;
1569 if (nv->login_timeout < 4)
1570 nv->login_timeout = 4;
1571 ha->login_timeout = nv->login_timeout;
1572 icb->login_timeout = nv->login_timeout;
1573
1574 /* Set minimum RATOV to 200 tenths of a second. */
1575 ha->r_a_tov = 200;
1576
1577 ha->loop_reset_delay = nv->reset_delay;
1578
1579 /* Link Down Timeout = 0:
1580 *
1581 * When Port Down timer expires we will start returning
1582 * I/O's to OS with "DID_NO_CONNECT".
1583 *
1584 * Link Down Timeout != 0:
1585 *
1586 * The driver waits for the link to come up after link down
1587 * before returning I/Os to OS with "DID_NO_CONNECT".
1588 */
1589 if (nv->link_down_timeout == 0) {
1590 ha->loop_down_abort_time =
1591 (LOOP_DOWN_TIME - LOOP_DOWN_TIMEOUT);
1592 } else {
1593 ha->link_down_timeout = nv->link_down_timeout;
1594 ha->loop_down_abort_time =
1595 (LOOP_DOWN_TIME - ha->link_down_timeout);
1596 }
1597
1598 /*
1599 * Need enough time to try and get the port back.
1600 */
1601 ha->port_down_retry_count = nv->port_down_retry_count;
1602 if (qlport_down_retry)
1603 ha->port_down_retry_count = qlport_down_retry;
1604 /* Set login_retry_count */
1605 ha->login_retry_count = nv->retry_count;
1606 if (ha->port_down_retry_count == nv->port_down_retry_count &&
1607 ha->port_down_retry_count > 3)
1608 ha->login_retry_count = ha->port_down_retry_count;
1609 else if (ha->port_down_retry_count > (int)ha->login_retry_count)
1610 ha->login_retry_count = ha->port_down_retry_count;
1611 if (ql2xloginretrycount)
1612 ha->login_retry_count = ql2xloginretrycount;
1613
1614 icb->lun_enables = __constant_cpu_to_le16(0);
1615 icb->command_resource_count = 0;
1616 icb->immediate_notify_resource_count = 0;
1617 icb->timeout = __constant_cpu_to_le16(0);
1618
1619 if (IS_QLA2100(ha) || IS_QLA2200(ha)) {
1620 /* Enable RIO */
1621 icb->firmware_options[0] &= ~BIT_3;
1622 icb->add_firmware_options[0] &=
1623 ~(BIT_3 | BIT_2 | BIT_1 | BIT_0);
1624 icb->add_firmware_options[0] |= BIT_2;
1625 icb->response_accumulation_timer = 3;
1626 icb->interrupt_delay_timer = 5;
1627
1628 ha->flags.process_response_queue = 1;
1629 } else {
1630 /* Enable ZIO. */
1631 if (!ha->flags.init_done) {
1632 ha->zio_mode = icb->add_firmware_options[0] &
1633 (BIT_3 | BIT_2 | BIT_1 | BIT_0);
1634 ha->zio_timer = icb->interrupt_delay_timer ?
1635 icb->interrupt_delay_timer: 2;
1636 }
1637 icb->add_firmware_options[0] &=
1638 ~(BIT_3 | BIT_2 | BIT_1 | BIT_0);
1639 ha->flags.process_response_queue = 0;
1640 if (ha->zio_mode != QLA_ZIO_DISABLED) {
1641 ha->zio_mode = QLA_ZIO_MODE_6;
1642
1643 DEBUG2(printk("scsi(%ld): ZIO mode %d enabled; timer "
1644 "delay (%d us).\n", ha->host_no, ha->zio_mode,
1645 ha->zio_timer * 100));
1646 qla_printk(KERN_INFO, ha,
1647 "ZIO mode %d enabled; timer delay (%d us).\n",
1648 ha->zio_mode, ha->zio_timer * 100);
1649
1650 icb->add_firmware_options[0] |= (uint8_t)ha->zio_mode;
1651 icb->interrupt_delay_timer = (uint8_t)ha->zio_timer;
1652 ha->flags.process_response_queue = 1;
1653 }
1654 }
1655
1656 return QLA_SUCCESS;
1657 }
1658
1659 static void
1660 qla2x00_rport_del(void *data)
1661 {
1662 fc_port_t *fcport = data;
1663 struct fc_rport *rport;
1664 unsigned long flags;
1665
1666 spin_lock_irqsave(&fcport->rport_lock, flags);
1667 rport = fcport->drport;
1668 fcport->drport = NULL;
1669 spin_unlock_irqrestore(&fcport->rport_lock, flags);
1670 if (rport)
1671 fc_remote_port_delete(rport);
1672
1673 }
1674
1675 /**
1676 * qla2x00_alloc_fcport() - Allocate a generic fcport.
1677 * @ha: HA context
1678 * @flags: allocation flags
1679 *
1680 * Returns a pointer to the allocated fcport, or NULL, if none available.
1681 */
1682 static fc_port_t *
1683 qla2x00_alloc_fcport(scsi_qla_host_t *ha, gfp_t flags)
1684 {
1685 fc_port_t *fcport;
1686
1687 fcport = kmalloc(sizeof(fc_port_t), flags);
1688 if (fcport == NULL)
1689 return (fcport);
1690
1691 /* Setup fcport template structure. */
1692 memset(fcport, 0, sizeof (fc_port_t));
1693 fcport->ha = ha;
1694 fcport->port_type = FCT_UNKNOWN;
1695 fcport->loop_id = FC_NO_LOOP_ID;
1696 atomic_set(&fcport->state, FCS_UNCONFIGURED);
1697 fcport->flags = FCF_RLC_SUPPORT;
1698 fcport->supported_classes = FC_COS_UNSPECIFIED;
1699 spin_lock_init(&fcport->rport_lock);
1700
1701 return (fcport);
1702 }
1703
1704 /*
1705 * qla2x00_configure_loop
1706 * Updates Fibre Channel Device Database with what is actually on loop.
1707 *
1708 * Input:
1709 * ha = adapter block pointer.
1710 *
1711 * Returns:
1712 * 0 = success.
1713 * 1 = error.
1714 * 2 = database was full and device was not configured.
1715 */
1716 static int
1717 qla2x00_configure_loop(scsi_qla_host_t *ha)
1718 {
1719 int rval;
1720 unsigned long flags, save_flags;
1721
1722 rval = QLA_SUCCESS;
1723
1724 /* Get Initiator ID */
1725 if (test_bit(LOCAL_LOOP_UPDATE, &ha->dpc_flags)) {
1726 rval = qla2x00_configure_hba(ha);
1727 if (rval != QLA_SUCCESS) {
1728 DEBUG(printk("scsi(%ld): Unable to configure HBA.\n",
1729 ha->host_no));
1730 return (rval);
1731 }
1732 }
1733
1734 save_flags = flags = ha->dpc_flags;
1735 DEBUG(printk("scsi(%ld): Configure loop -- dpc flags =0x%lx\n",
1736 ha->host_no, flags));
1737
1738 /*
1739 * If we have both an RSCN and PORT UPDATE pending then handle them
1740 * both at the same time.
1741 */
1742 clear_bit(LOCAL_LOOP_UPDATE, &ha->dpc_flags);
1743 clear_bit(RSCN_UPDATE, &ha->dpc_flags);
1744
1745 /* Determine what we need to do */
1746 if (ha->current_topology == ISP_CFG_FL &&
1747 (test_bit(LOCAL_LOOP_UPDATE, &flags))) {
1748
1749 ha->flags.rscn_queue_overflow = 1;
1750 set_bit(RSCN_UPDATE, &flags);
1751
1752 } else if (ha->current_topology == ISP_CFG_F &&
1753 (test_bit(LOCAL_LOOP_UPDATE, &flags))) {
1754
1755 ha->flags.rscn_queue_overflow = 1;
1756 set_bit(RSCN_UPDATE, &flags);
1757 clear_bit(LOCAL_LOOP_UPDATE, &flags);
1758
1759 } else if (ha->current_topology == ISP_CFG_N) {
1760 clear_bit(RSCN_UPDATE, &flags);
1761
1762 } else if (!ha->flags.online ||
1763 (test_bit(ABORT_ISP_ACTIVE, &flags))) {
1764
1765 ha->flags.rscn_queue_overflow = 1;
1766 set_bit(RSCN_UPDATE, &flags);
1767 set_bit(LOCAL_LOOP_UPDATE, &flags);
1768 }
1769
1770 if (test_bit(LOCAL_LOOP_UPDATE, &flags)) {
1771 if (test_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags)) {
1772 rval = QLA_FUNCTION_FAILED;
1773 } else {
1774 rval = qla2x00_configure_local_loop(ha);
1775 }
1776 }
1777
1778 if (rval == QLA_SUCCESS && test_bit(RSCN_UPDATE, &flags)) {
1779 if (LOOP_TRANSITION(ha)) {
1780 rval = QLA_FUNCTION_FAILED;
1781 } else {
1782 rval = qla2x00_configure_fabric(ha);
1783 }
1784 }
1785
1786 if (rval == QLA_SUCCESS) {
1787 if (atomic_read(&ha->loop_down_timer) ||
1788 test_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags)) {
1789 rval = QLA_FUNCTION_FAILED;
1790 } else {
1791 atomic_set(&ha->loop_state, LOOP_READY);
1792
1793 DEBUG(printk("scsi(%ld): LOOP READY\n", ha->host_no));
1794 }
1795 }
1796
1797 if (rval) {
1798 DEBUG2_3(printk("%s(%ld): *** FAILED ***\n",
1799 __func__, ha->host_no));
1800 } else {
1801 DEBUG3(printk("%s: exiting normally\n", __func__));
1802 }
1803
1804 /* Restore state if a resync event occured during processing */
1805 if (test_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags)) {
1806 if (test_bit(LOCAL_LOOP_UPDATE, &save_flags))
1807 set_bit(LOCAL_LOOP_UPDATE, &ha->dpc_flags);
1808 if (test_bit(RSCN_UPDATE, &save_flags))
1809 set_bit(RSCN_UPDATE, &ha->dpc_flags);
1810 }
1811
1812 return (rval);
1813 }
1814
1815
1816
1817 /*
1818 * qla2x00_configure_local_loop
1819 * Updates Fibre Channel Device Database with local loop devices.
1820 *
1821 * Input:
1822 * ha = adapter block pointer.
1823 *
1824 * Returns:
1825 * 0 = success.
1826 */
1827 static int
1828 qla2x00_configure_local_loop(scsi_qla_host_t *ha)
1829 {
1830 int rval, rval2;
1831 int found_devs;
1832 int found;
1833 fc_port_t *fcport, *new_fcport;
1834
1835 uint16_t index;
1836 uint16_t entries;
1837 char *id_iter;
1838 uint16_t loop_id;
1839 uint8_t domain, area, al_pa;
1840
1841 found_devs = 0;
1842 new_fcport = NULL;
1843 entries = MAX_FIBRE_DEVICES;
1844
1845 DEBUG3(printk("scsi(%ld): Getting FCAL position map\n", ha->host_no));
1846 DEBUG3(qla2x00_get_fcal_position_map(ha, NULL));
1847
1848 /* Get list of logged in devices. */
1849 memset(ha->gid_list, 0, GID_LIST_SIZE);
1850 rval = qla2x00_get_id_list(ha, ha->gid_list, ha->gid_list_dma,
1851 &entries);
1852 if (rval != QLA_SUCCESS)
1853 goto cleanup_allocation;
1854
1855 DEBUG3(printk("scsi(%ld): Entries in ID list (%d)\n",
1856 ha->host_no, entries));
1857 DEBUG3(qla2x00_dump_buffer((uint8_t *)ha->gid_list,
1858 entries * sizeof(struct gid_list_info)));
1859
1860 /* Allocate temporary fcport for any new fcports discovered. */
1861 new_fcport = qla2x00_alloc_fcport(ha, GFP_KERNEL);
1862 if (new_fcport == NULL) {
1863 rval = QLA_MEMORY_ALLOC_FAILED;
1864 goto cleanup_allocation;
1865 }
1866 new_fcport->flags &= ~FCF_FABRIC_DEVICE;
1867
1868 /*
1869 * Mark local devices that were present with FCF_DEVICE_LOST for now.
1870 */
1871 list_for_each_entry(fcport, &ha->fcports, list) {
1872 if (atomic_read(&fcport->state) == FCS_ONLINE &&
1873 fcport->port_type != FCT_BROADCAST &&
1874 (fcport->flags & FCF_FABRIC_DEVICE) == 0) {
1875
1876 DEBUG(printk("scsi(%ld): Marking port lost, "
1877 "loop_id=0x%04x\n",
1878 ha->host_no, fcport->loop_id));
1879
1880 atomic_set(&fcport->state, FCS_DEVICE_LOST);
1881 fcport->flags &= ~FCF_FARP_DONE;
1882 }
1883 }
1884
1885 /* Add devices to port list. */
1886 id_iter = (char *)ha->gid_list;
1887 for (index = 0; index < entries; index++) {
1888 domain = ((struct gid_list_info *)id_iter)->domain;
1889 area = ((struct gid_list_info *)id_iter)->area;
1890 al_pa = ((struct gid_list_info *)id_iter)->al_pa;
1891 if (IS_QLA2100(ha) || IS_QLA2200(ha))
1892 loop_id = (uint16_t)
1893 ((struct gid_list_info *)id_iter)->loop_id_2100;
1894 else
1895 loop_id = le16_to_cpu(
1896 ((struct gid_list_info *)id_iter)->loop_id);
1897 id_iter += ha->gid_list_info_size;
1898
1899 /* Bypass reserved domain fields. */
1900 if ((domain & 0xf0) == 0xf0)
1901 continue;
1902
1903 /* Bypass if not same domain and area of adapter. */
1904 if (area && domain &&
1905 (area != ha->d_id.b.area || domain != ha->d_id.b.domain))
1906 continue;
1907
1908 /* Bypass invalid local loop ID. */
1909 if (loop_id > LAST_LOCAL_LOOP_ID)
1910 continue;
1911
1912 /* Fill in member data. */
1913 new_fcport->d_id.b.domain = domain;
1914 new_fcport->d_id.b.area = area;
1915 new_fcport->d_id.b.al_pa = al_pa;
1916 new_fcport->loop_id = loop_id;
1917 rval2 = qla2x00_get_port_database(ha, new_fcport, 0);
1918 if (rval2 != QLA_SUCCESS) {
1919 DEBUG2(printk("scsi(%ld): Failed to retrieve fcport "
1920 "information -- get_port_database=%x, "
1921 "loop_id=0x%04x\n",
1922 ha->host_no, rval2, new_fcport->loop_id));
1923 DEBUG2(printk("scsi(%ld): Scheduling resync...\n",
1924 ha->host_no));
1925 set_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags);
1926 continue;
1927 }
1928
1929 /* Check for matching device in port list. */
1930 found = 0;
1931 fcport = NULL;
1932 list_for_each_entry(fcport, &ha->fcports, list) {
1933 if (memcmp(new_fcport->port_name, fcport->port_name,
1934 WWN_SIZE))
1935 continue;
1936
1937 fcport->flags &= ~(FCF_FABRIC_DEVICE |
1938 FCF_PERSISTENT_BOUND);
1939 fcport->loop_id = new_fcport->loop_id;
1940 fcport->port_type = new_fcport->port_type;
1941 fcport->d_id.b24 = new_fcport->d_id.b24;
1942 memcpy(fcport->node_name, new_fcport->node_name,
1943 WWN_SIZE);
1944
1945 found++;
1946 break;
1947 }
1948
1949 if (!found) {
1950 /* New device, add to fcports list. */
1951 new_fcport->flags &= ~FCF_PERSISTENT_BOUND;
1952 list_add_tail(&new_fcport->list, &ha->fcports);
1953
1954 /* Allocate a new replacement fcport. */
1955 fcport = new_fcport;
1956 new_fcport = qla2x00_alloc_fcport(ha, GFP_KERNEL);
1957 if (new_fcport == NULL) {
1958 rval = QLA_MEMORY_ALLOC_FAILED;
1959 goto cleanup_allocation;
1960 }
1961 new_fcport->flags &= ~FCF_FABRIC_DEVICE;
1962 }
1963
1964 /* Base iIDMA settings on HBA port speed. */
1965 switch (ha->link_data_rate) {
1966 case PORT_SPEED_1GB:
1967 fcport->fp_speed = cpu_to_be16(BIT_15);
1968 break;
1969 case PORT_SPEED_2GB:
1970 fcport->fp_speed = cpu_to_be16(BIT_14);
1971 break;
1972 case PORT_SPEED_4GB:
1973 fcport->fp_speed = cpu_to_be16(BIT_13);
1974 break;
1975 }
1976
1977 qla2x00_update_fcport(ha, fcport);
1978
1979 found_devs++;
1980 }
1981
1982 cleanup_allocation:
1983 kfree(new_fcport);
1984
1985 if (rval != QLA_SUCCESS) {
1986 DEBUG2(printk("scsi(%ld): Configure local loop error exit: "
1987 "rval=%x\n", ha->host_no, rval));
1988 }
1989
1990 if (found_devs) {
1991 ha->device_flags |= DFLG_LOCAL_DEVICES;
1992 ha->device_flags &= ~DFLG_RETRY_LOCAL_DEVICES;
1993 }
1994
1995 return (rval);
1996 }
1997
1998 static void
1999 qla2x00_probe_for_all_luns(scsi_qla_host_t *ha)
2000 {
2001 fc_port_t *fcport;
2002
2003 qla2x00_mark_all_devices_lost(ha, 0);
2004 list_for_each_entry(fcport, &ha->fcports, list) {
2005 if (fcport->port_type != FCT_TARGET)
2006 continue;
2007
2008 qla2x00_update_fcport(ha, fcport);
2009 }
2010 }
2011
2012 static void
2013 qla2x00_iidma_fcport(scsi_qla_host_t *ha, fc_port_t *fcport)
2014 {
2015 #define LS_UNKNOWN 2
2016 static char *link_speeds[5] = { "1", "2", "?", "4" };
2017 int rval;
2018 uint16_t port_speed, mb[6];
2019
2020 if (!IS_QLA24XX(ha))
2021 return;
2022
2023 switch (be16_to_cpu(fcport->fp_speed)) {
2024 case BIT_15:
2025 port_speed = PORT_SPEED_1GB;
2026 break;
2027 case BIT_14:
2028 port_speed = PORT_SPEED_2GB;
2029 break;
2030 case BIT_13:
2031 port_speed = PORT_SPEED_4GB;
2032 break;
2033 default:
2034 DEBUG2(printk("scsi(%ld): %02x%02x%02x%02x%02x%02x%02x%02x -- "
2035 "unsupported FM port operating speed (%04x).\n",
2036 ha->host_no, fcport->port_name[0], fcport->port_name[1],
2037 fcport->port_name[2], fcport->port_name[3],
2038 fcport->port_name[4], fcport->port_name[5],
2039 fcport->port_name[6], fcport->port_name[7],
2040 be16_to_cpu(fcport->fp_speed)));
2041 port_speed = PORT_SPEED_UNKNOWN;
2042 break;
2043 }
2044 if (port_speed == PORT_SPEED_UNKNOWN)
2045 return;
2046
2047 rval = qla2x00_set_idma_speed(ha, fcport->loop_id, port_speed, mb);
2048 if (rval != QLA_SUCCESS) {
2049 DEBUG2(printk("scsi(%ld): Unable to adjust iIDMA "
2050 "%02x%02x%02x%02x%02x%02x%02x%02x -- %04x %x %04x %04x.\n",
2051 ha->host_no, fcport->port_name[0], fcport->port_name[1],
2052 fcport->port_name[2], fcport->port_name[3],
2053 fcport->port_name[4], fcport->port_name[5],
2054 fcport->port_name[6], fcport->port_name[7], rval,
2055 port_speed, mb[0], mb[1]));
2056 } else {
2057 DEBUG2(qla_printk(KERN_INFO, ha,
2058 "iIDMA adjusted to %s GB/s on "
2059 "%02x%02x%02x%02x%02x%02x%02x%02x.\n",
2060 link_speeds[port_speed], fcport->port_name[0],
2061 fcport->port_name[1], fcport->port_name[2],
2062 fcport->port_name[3], fcport->port_name[4],
2063 fcport->port_name[5], fcport->port_name[6],
2064 fcport->port_name[7]));
2065 }
2066 }
2067
2068 static void
2069 qla2x00_reg_remote_port(scsi_qla_host_t *ha, fc_port_t *fcport)
2070 {
2071 struct fc_rport_identifiers rport_ids;
2072 struct fc_rport *rport;
2073 unsigned long flags;
2074
2075 if (fcport->drport)
2076 qla2x00_rport_del(fcport);
2077 if (fcport->rport)
2078 return;
2079
2080 rport_ids.node_name = wwn_to_u64(fcport->node_name);
2081 rport_ids.port_name = wwn_to_u64(fcport->port_name);
2082 rport_ids.port_id = fcport->d_id.b.domain << 16 |
2083 fcport->d_id.b.area << 8 | fcport->d_id.b.al_pa;
2084 rport_ids.roles = FC_RPORT_ROLE_UNKNOWN;
2085 rport = fc_remote_port_add(ha->host, 0, &rport_ids);
2086 if (!rport) {
2087 qla_printk(KERN_WARNING, ha,
2088 "Unable to allocate fc remote port!\n");
2089 return;
2090 }
2091 spin_lock_irqsave(&fcport->rport_lock, flags);
2092 fcport->rport = rport;
2093 *((fc_port_t **)rport->dd_data) = fcport;
2094 spin_unlock_irqrestore(&fcport->rport_lock, flags);
2095
2096 rport->supported_classes = fcport->supported_classes;
2097
2098 rport_ids.roles = FC_RPORT_ROLE_UNKNOWN;
2099 if (fcport->port_type == FCT_INITIATOR)
2100 rport_ids.roles |= FC_RPORT_ROLE_FCP_INITIATOR;
2101 if (fcport->port_type == FCT_TARGET)
2102 rport_ids.roles |= FC_RPORT_ROLE_FCP_TARGET;
2103 fc_remote_port_rolechg(rport, rport_ids.roles);
2104
2105 if (rport->scsi_target_id != -1 &&
2106 rport->scsi_target_id < ha->host->max_id)
2107 fcport->os_target_id = rport->scsi_target_id;
2108 }
2109
2110 /*
2111 * qla2x00_update_fcport
2112 * Updates device on list.
2113 *
2114 * Input:
2115 * ha = adapter block pointer.
2116 * fcport = port structure pointer.
2117 *
2118 * Return:
2119 * 0 - Success
2120 * BIT_0 - error
2121 *
2122 * Context:
2123 * Kernel context.
2124 */
2125 void
2126 qla2x00_update_fcport(scsi_qla_host_t *ha, fc_port_t *fcport)
2127 {
2128 fcport->ha = ha;
2129 fcport->login_retry = 0;
2130 fcport->port_login_retry_count = ha->port_down_retry_count *
2131 PORT_RETRY_TIME;
2132 atomic_set(&fcport->port_down_timer, ha->port_down_retry_count *
2133 PORT_RETRY_TIME);
2134 fcport->flags &= ~FCF_LOGIN_NEEDED;
2135
2136 qla2x00_iidma_fcport(ha, fcport);
2137
2138 atomic_set(&fcport->state, FCS_ONLINE);
2139
2140 qla2x00_reg_remote_port(ha, fcport);
2141 }
2142
2143 /*
2144 * qla2x00_configure_fabric
2145 * Setup SNS devices with loop ID's.
2146 *
2147 * Input:
2148 * ha = adapter block pointer.
2149 *
2150 * Returns:
2151 * 0 = success.
2152 * BIT_0 = error
2153 */
2154 static int
2155 qla2x00_configure_fabric(scsi_qla_host_t *ha)
2156 {
2157 int rval, rval2;
2158 fc_port_t *fcport, *fcptemp;
2159 uint16_t next_loopid;
2160 uint16_t mb[MAILBOX_REGISTER_COUNT];
2161 uint16_t loop_id;
2162 LIST_HEAD(new_fcports);
2163
2164 /* If FL port exists, then SNS is present */
2165 if (IS_QLA24XX(ha) || IS_QLA54XX(ha))
2166 loop_id = NPH_F_PORT;
2167 else
2168 loop_id = SNS_FL_PORT;
2169 rval = qla2x00_get_port_name(ha, loop_id, ha->fabric_node_name, 1);
2170 if (rval != QLA_SUCCESS) {
2171 DEBUG2(printk("scsi(%ld): MBC_GET_PORT_NAME Failed, No FL "
2172 "Port\n", ha->host_no));
2173
2174 ha->device_flags &= ~SWITCH_FOUND;
2175 return (QLA_SUCCESS);
2176 }
2177 ha->device_flags |= SWITCH_FOUND;
2178
2179 /* Mark devices that need re-synchronization. */
2180 rval2 = qla2x00_device_resync(ha);
2181 if (rval2 == QLA_RSCNS_HANDLED) {
2182 /* No point doing the scan, just continue. */
2183 return (QLA_SUCCESS);
2184 }
2185 do {
2186 /* FDMI support. */
2187 if (ql2xfdmienable &&
2188 test_and_clear_bit(REGISTER_FDMI_NEEDED, &ha->dpc_flags))
2189 qla2x00_fdmi_register(ha);
2190
2191 /* Ensure we are logged into the SNS. */
2192 if (IS_QLA24XX(ha) || IS_QLA54XX(ha))
2193 loop_id = NPH_SNS;
2194 else
2195 loop_id = SIMPLE_NAME_SERVER;
2196 ha->isp_ops.fabric_login(ha, loop_id, 0xff, 0xff,
2197 0xfc, mb, BIT_1 | BIT_0);
2198 if (mb[0] != MBS_COMMAND_COMPLETE) {
2199 DEBUG2(qla_printk(KERN_INFO, ha,
2200 "Failed SNS login: loop_id=%x mb[0]=%x mb[1]=%x "
2201 "mb[2]=%x mb[6]=%x mb[7]=%x\n", loop_id,
2202 mb[0], mb[1], mb[2], mb[6], mb[7]));
2203 return (QLA_SUCCESS);
2204 }
2205
2206 if (test_and_clear_bit(REGISTER_FC4_NEEDED, &ha->dpc_flags)) {
2207 if (qla2x00_rft_id(ha)) {
2208 /* EMPTY */
2209 DEBUG2(printk("scsi(%ld): Register FC-4 "
2210 "TYPE failed.\n", ha->host_no));
2211 }
2212 if (qla2x00_rff_id(ha)) {
2213 /* EMPTY */
2214 DEBUG2(printk("scsi(%ld): Register FC-4 "
2215 "Features failed.\n", ha->host_no));
2216 }
2217 if (qla2x00_rnn_id(ha)) {
2218 /* EMPTY */
2219 DEBUG2(printk("scsi(%ld): Register Node Name "
2220 "failed.\n", ha->host_no));
2221 } else if (qla2x00_rsnn_nn(ha)) {
2222 /* EMPTY */
2223 DEBUG2(printk("scsi(%ld): Register Symbolic "
2224 "Node Name failed.\n", ha->host_no));
2225 }
2226 }
2227
2228 rval = qla2x00_find_all_fabric_devs(ha, &new_fcports);
2229 if (rval != QLA_SUCCESS)
2230 break;
2231
2232 /*
2233 * Logout all previous fabric devices marked lost, except
2234 * tape devices.
2235 */
2236 list_for_each_entry(fcport, &ha->fcports, list) {
2237 if (test_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags))
2238 break;
2239
2240 if ((fcport->flags & FCF_FABRIC_DEVICE) == 0)
2241 continue;
2242
2243 if (atomic_read(&fcport->state) == FCS_DEVICE_LOST) {
2244 qla2x00_mark_device_lost(ha, fcport,
2245 ql2xplogiabsentdevice, 0);
2246 if (fcport->loop_id != FC_NO_LOOP_ID &&
2247 (fcport->flags & FCF_TAPE_PRESENT) == 0 &&
2248 fcport->port_type != FCT_INITIATOR &&
2249 fcport->port_type != FCT_BROADCAST) {
2250 ha->isp_ops.fabric_logout(ha,
2251 fcport->loop_id,
2252 fcport->d_id.b.domain,
2253 fcport->d_id.b.area,
2254 fcport->d_id.b.al_pa);
2255 fcport->loop_id = FC_NO_LOOP_ID;
2256 }
2257 }
2258 }
2259
2260 /* Starting free loop ID. */
2261 next_loopid = ha->min_external_loopid;
2262
2263 /*
2264 * Scan through our port list and login entries that need to be
2265 * logged in.
2266 */
2267 list_for_each_entry(fcport, &ha->fcports, list) {
2268 if (atomic_read(&ha->loop_down_timer) ||
2269 test_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags))
2270 break;
2271
2272 if ((fcport->flags & FCF_FABRIC_DEVICE) == 0 ||
2273 (fcport->flags & FCF_LOGIN_NEEDED) == 0)
2274 continue;
2275
2276 if (fcport->loop_id == FC_NO_LOOP_ID) {
2277 fcport->loop_id = next_loopid;
2278 rval = qla2x00_find_new_loop_id(ha, fcport);
2279 if (rval != QLA_SUCCESS) {
2280 /* Ran out of IDs to use */
2281 break;
2282 }
2283 }
2284 /* Login and update database */
2285 qla2x00_fabric_dev_login(ha, fcport, &next_loopid);
2286 }
2287
2288 /* Exit if out of loop IDs. */
2289 if (rval != QLA_SUCCESS) {
2290 break;
2291 }
2292
2293 /*
2294 * Login and add the new devices to our port list.
2295 */
2296 list_for_each_entry_safe(fcport, fcptemp, &new_fcports, list) {
2297 if (atomic_read(&ha->loop_down_timer) ||
2298 test_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags))
2299 break;
2300
2301 /* Find a new loop ID to use. */
2302 fcport->loop_id = next_loopid;
2303 rval = qla2x00_find_new_loop_id(ha, fcport);
2304 if (rval != QLA_SUCCESS) {
2305 /* Ran out of IDs to use */
2306 break;
2307 }
2308
2309 /* Remove device from the new list and add it to DB */
2310 list_move_tail(&fcport->list, &ha->fcports);
2311
2312 /* Login and update database */
2313 qla2x00_fabric_dev_login(ha, fcport, &next_loopid);
2314 }
2315 } while (0);
2316
2317 /* Free all new device structures not processed. */
2318 list_for_each_entry_safe(fcport, fcptemp, &new_fcports, list) {
2319 list_del(&fcport->list);
2320 kfree(fcport);
2321 }
2322
2323 if (rval) {
2324 DEBUG2(printk("scsi(%ld): Configure fabric error exit: "
2325 "rval=%d\n", ha->host_no, rval));
2326 }
2327
2328 return (rval);
2329 }
2330
2331
2332 /*
2333 * qla2x00_find_all_fabric_devs
2334 *
2335 * Input:
2336 * ha = adapter block pointer.
2337 * dev = database device entry pointer.
2338 *
2339 * Returns:
2340 * 0 = success.
2341 *
2342 * Context:
2343 * Kernel context.
2344 */
2345 static int
2346 qla2x00_find_all_fabric_devs(scsi_qla_host_t *ha, struct list_head *new_fcports)
2347 {
2348 int rval;
2349 uint16_t loop_id;
2350 fc_port_t *fcport, *new_fcport, *fcptemp;
2351 int found;
2352
2353 sw_info_t *swl;
2354 int swl_idx;
2355 int first_dev, last_dev;
2356 port_id_t wrap, nxt_d_id;
2357
2358 rval = QLA_SUCCESS;
2359
2360 /* Try GID_PT to get device list, else GAN. */
2361 swl = kmalloc(sizeof(sw_info_t) * MAX_FIBRE_DEVICES, GFP_ATOMIC);
2362 if (swl == NULL) {
2363 /*EMPTY*/
2364 DEBUG2(printk("scsi(%ld): GID_PT allocations failed, fallback "
2365 "on GA_NXT\n", ha->host_no));
2366 } else {
2367 memset(swl, 0, sizeof(sw_info_t) * MAX_FIBRE_DEVICES);
2368 if (qla2x00_gid_pt(ha, swl) != QLA_SUCCESS) {
2369 kfree(swl);
2370 swl = NULL;
2371 } else if (qla2x00_gpn_id(ha, swl) != QLA_SUCCESS) {
2372 kfree(swl);
2373 swl = NULL;
2374 } else if (qla2x00_gnn_id(ha, swl) != QLA_SUCCESS) {
2375 kfree(swl);
2376 swl = NULL;
2377 } else if (qla2x00_gfpn_id(ha, swl) == QLA_SUCCESS) {
2378 qla2x00_gpsc(ha, swl);
2379 }
2380 }
2381 swl_idx = 0;
2382
2383 /* Allocate temporary fcport for any new fcports discovered. */
2384 new_fcport = qla2x00_alloc_fcport(ha, GFP_KERNEL);
2385 if (new_fcport == NULL) {
2386 kfree(swl);
2387 return (QLA_MEMORY_ALLOC_FAILED);
2388 }
2389 new_fcport->flags |= (FCF_FABRIC_DEVICE | FCF_LOGIN_NEEDED);
2390
2391 /* Set start port ID scan at adapter ID. */
2392 first_dev = 1;
2393 last_dev = 0;
2394
2395 /* Starting free loop ID. */
2396 loop_id = ha->min_external_loopid;
2397 for (; loop_id <= ha->last_loop_id; loop_id++) {
2398 if (qla2x00_is_reserved_id(ha, loop_id))
2399 continue;
2400
2401 if (atomic_read(&ha->loop_down_timer) || LOOP_TRANSITION(ha))
2402 break;
2403
2404 if (swl != NULL) {
2405 if (last_dev) {
2406 wrap.b24 = new_fcport->d_id.b24;
2407 } else {
2408 new_fcport->d_id.b24 = swl[swl_idx].d_id.b24;
2409 memcpy(new_fcport->node_name,
2410 swl[swl_idx].node_name, WWN_SIZE);
2411 memcpy(new_fcport->port_name,
2412 swl[swl_idx].port_name, WWN_SIZE);
2413 memcpy(new_fcport->fabric_port_name,
2414 swl[swl_idx].fabric_port_name, WWN_SIZE);
2415 new_fcport->fp_speed = swl[swl_idx].fp_speed;
2416
2417 if (swl[swl_idx].d_id.b.rsvd_1 != 0) {
2418 last_dev = 1;
2419 }
2420 swl_idx++;
2421 }
2422 } else {
2423 /* Send GA_NXT to the switch */
2424 rval = qla2x00_ga_nxt(ha, new_fcport);
2425 if (rval != QLA_SUCCESS) {
2426 qla_printk(KERN_WARNING, ha,
2427 "SNS scan failed -- assuming zero-entry "
2428 "result...\n");
2429 list_for_each_entry_safe(fcport, fcptemp,
2430 new_fcports, list) {
2431 list_del(&fcport->list);
2432 kfree(fcport);
2433 }
2434 rval = QLA_SUCCESS;
2435 break;
2436 }
2437 }
2438
2439 /* If wrap on switch device list, exit. */
2440 if (first_dev) {
2441 wrap.b24 = new_fcport->d_id.b24;
2442 first_dev = 0;
2443 } else if (new_fcport->d_id.b24 == wrap.b24) {
2444 DEBUG2(printk("scsi(%ld): device wrap (%02x%02x%02x)\n",
2445 ha->host_no, new_fcport->d_id.b.domain,
2446 new_fcport->d_id.b.area, new_fcport->d_id.b.al_pa));
2447 break;
2448 }
2449
2450 /* Bypass if host adapter. */
2451 if (new_fcport->d_id.b24 == ha->d_id.b24)
2452 continue;
2453
2454 /* Bypass if same domain and area of adapter. */
2455 if (((new_fcport->d_id.b24 & 0xffff00) ==
2456 (ha->d_id.b24 & 0xffff00)) && ha->current_topology ==
2457 ISP_CFG_FL)
2458 continue;
2459
2460 /* Bypass reserved domain fields. */
2461 if ((new_fcport->d_id.b.domain & 0xf0) == 0xf0)
2462 continue;
2463
2464 /* Locate matching device in database. */
2465 found = 0;
2466 list_for_each_entry(fcport, &ha->fcports, list) {
2467 if (memcmp(new_fcport->port_name, fcport->port_name,
2468 WWN_SIZE))
2469 continue;
2470
2471 found++;
2472
2473 /* Update port state. */
2474 memcpy(fcport->fabric_port_name,
2475 new_fcport->fabric_port_name, WWN_SIZE);
2476 fcport->fp_speed = new_fcport->fp_speed;
2477
2478 /*
2479 * If address the same and state FCS_ONLINE, nothing
2480 * changed.
2481 */
2482 if (fcport->d_id.b24 == new_fcport->d_id.b24 &&
2483 atomic_read(&fcport->state) == FCS_ONLINE) {
2484 break;
2485 }
2486
2487 /*
2488 * If device was not a fabric device before.
2489 */
2490 if ((fcport->flags & FCF_FABRIC_DEVICE) == 0) {
2491 fcport->d_id.b24 = new_fcport->d_id.b24;
2492 fcport->loop_id = FC_NO_LOOP_ID;
2493 fcport->flags |= (FCF_FABRIC_DEVICE |
2494 FCF_LOGIN_NEEDED);
2495 fcport->flags &= ~FCF_PERSISTENT_BOUND;
2496 break;
2497 }
2498
2499 /*
2500 * Port ID changed or device was marked to be updated;
2501 * Log it out if still logged in and mark it for
2502 * relogin later.
2503 */
2504 fcport->d_id.b24 = new_fcport->d_id.b24;
2505 fcport->flags |= FCF_LOGIN_NEEDED;
2506 if (fcport->loop_id != FC_NO_LOOP_ID &&
2507 (fcport->flags & FCF_TAPE_PRESENT) == 0 &&
2508 fcport->port_type != FCT_INITIATOR &&
2509 fcport->port_type != FCT_BROADCAST) {
2510 ha->isp_ops.fabric_logout(ha, fcport->loop_id,
2511 fcport->d_id.b.domain, fcport->d_id.b.area,
2512 fcport->d_id.b.al_pa);
2513 fcport->loop_id = FC_NO_LOOP_ID;
2514 }
2515
2516 break;
2517 }
2518
2519 if (found)
2520 continue;
2521
2522 /* If device was not in our fcports list, then add it. */
2523 list_add_tail(&new_fcport->list, new_fcports);
2524
2525 /* Allocate a new replacement fcport. */
2526 nxt_d_id.b24 = new_fcport->d_id.b24;
2527 new_fcport = qla2x00_alloc_fcport(ha, GFP_KERNEL);
2528 if (new_fcport == NULL) {
2529 kfree(swl);
2530 return (QLA_MEMORY_ALLOC_FAILED);
2531 }
2532 new_fcport->flags |= (FCF_FABRIC_DEVICE | FCF_LOGIN_NEEDED);
2533 new_fcport->d_id.b24 = nxt_d_id.b24;
2534 }
2535
2536 kfree(swl);
2537 kfree(new_fcport);
2538
2539 if (!list_empty(new_fcports))
2540 ha->device_flags |= DFLG_FABRIC_DEVICES;
2541
2542 return (rval);
2543 }
2544
2545 /*
2546 * qla2x00_find_new_loop_id
2547 * Scan through our port list and find a new usable loop ID.
2548 *
2549 * Input:
2550 * ha: adapter state pointer.
2551 * dev: port structure pointer.
2552 *
2553 * Returns:
2554 * qla2x00 local function return status code.
2555 *
2556 * Context:
2557 * Kernel context.
2558 */
2559 static int
2560 qla2x00_find_new_loop_id(scsi_qla_host_t *ha, fc_port_t *dev)
2561 {
2562 int rval;
2563 int found;
2564 fc_port_t *fcport;
2565 uint16_t first_loop_id;
2566
2567 rval = QLA_SUCCESS;
2568
2569 /* Save starting loop ID. */
2570 first_loop_id = dev->loop_id;
2571
2572 for (;;) {
2573 /* Skip loop ID if already used by adapter. */
2574 if (dev->loop_id == ha->loop_id) {
2575 dev->loop_id++;
2576 }
2577
2578 /* Skip reserved loop IDs. */
2579 while (qla2x00_is_reserved_id(ha, dev->loop_id)) {
2580 dev->loop_id++;
2581 }
2582
2583 /* Reset loop ID if passed the end. */
2584 if (dev->loop_id > ha->last_loop_id) {
2585 /* first loop ID. */
2586 dev->loop_id = ha->min_external_loopid;
2587 }
2588
2589 /* Check for loop ID being already in use. */
2590 found = 0;
2591 fcport = NULL;
2592 list_for_each_entry(fcport, &ha->fcports, list) {
2593 if (fcport->loop_id == dev->loop_id && fcport != dev) {
2594 /* ID possibly in use */
2595 found++;
2596 break;
2597 }
2598 }
2599
2600 /* If not in use then it is free to use. */
2601 if (!found) {
2602 break;
2603 }
2604
2605 /* ID in use. Try next value. */
2606 dev->loop_id++;
2607
2608 /* If wrap around. No free ID to use. */
2609 if (dev->loop_id == first_loop_id) {
2610 dev->loop_id = FC_NO_LOOP_ID;
2611 rval = QLA_FUNCTION_FAILED;
2612 break;
2613 }
2614 }
2615
2616 return (rval);
2617 }
2618
2619 /*
2620 * qla2x00_device_resync
2621 * Marks devices in the database that needs resynchronization.
2622 *
2623 * Input:
2624 * ha = adapter block pointer.
2625 *
2626 * Context:
2627 * Kernel context.
2628 */
2629 static int
2630 qla2x00_device_resync(scsi_qla_host_t *ha)
2631 {
2632 int rval;
2633 uint32_t mask;
2634 fc_port_t *fcport;
2635 uint32_t rscn_entry;
2636 uint8_t rscn_out_iter;
2637 uint8_t format;
2638 port_id_t d_id;
2639
2640 rval = QLA_RSCNS_HANDLED;
2641
2642 while (ha->rscn_out_ptr != ha->rscn_in_ptr ||
2643 ha->flags.rscn_queue_overflow) {
2644
2645 rscn_entry = ha->rscn_queue[ha->rscn_out_ptr];
2646 format = MSB(MSW(rscn_entry));
2647 d_id.b.domain = LSB(MSW(rscn_entry));
2648 d_id.b.area = MSB(LSW(rscn_entry));
2649 d_id.b.al_pa = LSB(LSW(rscn_entry));
2650
2651 DEBUG(printk("scsi(%ld): RSCN queue entry[%d] = "
2652 "[%02x/%02x%02x%02x].\n",
2653 ha->host_no, ha->rscn_out_ptr, format, d_id.b.domain,
2654 d_id.b.area, d_id.b.al_pa));
2655
2656 ha->rscn_out_ptr++;
2657 if (ha->rscn_out_ptr == MAX_RSCN_COUNT)
2658 ha->rscn_out_ptr = 0;
2659
2660 /* Skip duplicate entries. */
2661 for (rscn_out_iter = ha->rscn_out_ptr;
2662 !ha->flags.rscn_queue_overflow &&
2663 rscn_out_iter != ha->rscn_in_ptr;
2664 rscn_out_iter = (rscn_out_iter ==
2665 (MAX_RSCN_COUNT - 1)) ? 0: rscn_out_iter + 1) {
2666
2667 if (rscn_entry != ha->rscn_queue[rscn_out_iter])
2668 break;
2669
2670 DEBUG(printk("scsi(%ld): Skipping duplicate RSCN queue "
2671 "entry found at [%d].\n", ha->host_no,
2672 rscn_out_iter));
2673
2674 ha->rscn_out_ptr = rscn_out_iter;
2675 }
2676
2677 /* Queue overflow, set switch default case. */
2678 if (ha->flags.rscn_queue_overflow) {
2679 DEBUG(printk("scsi(%ld): device_resync: rscn "
2680 "overflow.\n", ha->host_no));
2681
2682 format = 3;
2683 ha->flags.rscn_queue_overflow = 0;
2684 }
2685
2686 switch (format) {
2687 case 0:
2688 mask = 0xffffff;
2689 break;
2690 case 1:
2691 mask = 0xffff00;
2692 break;
2693 case 2:
2694 mask = 0xff0000;
2695 break;
2696 default:
2697 mask = 0x0;
2698 d_id.b24 = 0;
2699 ha->rscn_out_ptr = ha->rscn_in_ptr;
2700 break;
2701 }
2702
2703 rval = QLA_SUCCESS;
2704
2705 list_for_each_entry(fcport, &ha->fcports, list) {
2706 if ((fcport->flags & FCF_FABRIC_DEVICE) == 0 ||
2707 (fcport->d_id.b24 & mask) != d_id.b24 ||
2708 fcport->port_type == FCT_BROADCAST)
2709 continue;
2710
2711 if (atomic_read(&fcport->state) == FCS_ONLINE) {
2712 if (format != 3 ||
2713 fcport->port_type != FCT_INITIATOR) {
2714 qla2x00_mark_device_lost(ha, fcport,
2715 0, 0);
2716 }
2717 }
2718 fcport->flags &= ~FCF_FARP_DONE;
2719 }
2720 }
2721 return (rval);
2722 }
2723
2724 /*
2725 * qla2x00_fabric_dev_login
2726 * Login fabric target device and update FC port database.
2727 *
2728 * Input:
2729 * ha: adapter state pointer.
2730 * fcport: port structure list pointer.
2731 * next_loopid: contains value of a new loop ID that can be used
2732 * by the next login attempt.
2733 *
2734 * Returns:
2735 * qla2x00 local function return status code.
2736 *
2737 * Context:
2738 * Kernel context.
2739 */
2740 static int
2741 qla2x00_fabric_dev_login(scsi_qla_host_t *ha, fc_port_t *fcport,
2742 uint16_t *next_loopid)
2743 {
2744 int rval;
2745 int retry;
2746 uint8_t opts;
2747
2748 rval = QLA_SUCCESS;
2749 retry = 0;
2750
2751 rval = qla2x00_fabric_login(ha, fcport, next_loopid);
2752 if (rval == QLA_SUCCESS) {
2753 /* Send an ADISC to tape devices.*/
2754 opts = 0;
2755 if (fcport->flags & FCF_TAPE_PRESENT)
2756 opts |= BIT_1;
2757 rval = qla2x00_get_port_database(ha, fcport, opts);
2758 if (rval != QLA_SUCCESS) {
2759 ha->isp_ops.fabric_logout(ha, fcport->loop_id,
2760 fcport->d_id.b.domain, fcport->d_id.b.area,
2761 fcport->d_id.b.al_pa);
2762 qla2x00_mark_device_lost(ha, fcport, 1, 0);
2763 } else {
2764 qla2x00_update_fcport(ha, fcport);
2765 }
2766 }
2767
2768 return (rval);
2769 }
2770
2771 /*
2772 * qla2x00_fabric_login
2773 * Issue fabric login command.
2774 *
2775 * Input:
2776 * ha = adapter block pointer.
2777 * device = pointer to FC device type structure.
2778 *
2779 * Returns:
2780 * 0 - Login successfully
2781 * 1 - Login failed
2782 * 2 - Initiator device
2783 * 3 - Fatal error
2784 */
2785 int
2786 qla2x00_fabric_login(scsi_qla_host_t *ha, fc_port_t *fcport,
2787 uint16_t *next_loopid)
2788 {
2789 int rval;
2790 int retry;
2791 uint16_t tmp_loopid;
2792 uint16_t mb[MAILBOX_REGISTER_COUNT];
2793
2794 retry = 0;
2795 tmp_loopid = 0;
2796
2797 for (;;) {
2798 DEBUG(printk("scsi(%ld): Trying Fabric Login w/loop id 0x%04x "
2799 "for port %02x%02x%02x.\n",
2800 ha->host_no, fcport->loop_id, fcport->d_id.b.domain,
2801 fcport->d_id.b.area, fcport->d_id.b.al_pa));
2802
2803 /* Login fcport on switch. */
2804 ha->isp_ops.fabric_login(ha, fcport->loop_id,
2805 fcport->d_id.b.domain, fcport->d_id.b.area,
2806 fcport->d_id.b.al_pa, mb, BIT_0);
2807 if (mb[0] == MBS_PORT_ID_USED) {
2808 /*
2809 * Device has another loop ID. The firmware team
2810 * recommends the driver perform an implicit login with
2811 * the specified ID again. The ID we just used is save
2812 * here so we return with an ID that can be tried by
2813 * the next login.
2814 */
2815 retry++;
2816 tmp_loopid = fcport->loop_id;
2817 fcport->loop_id = mb[1];
2818
2819 DEBUG(printk("Fabric Login: port in use - next "
2820 "loop id=0x%04x, port Id=%02x%02x%02x.\n",
2821 fcport->loop_id, fcport->d_id.b.domain,
2822 fcport->d_id.b.area, fcport->d_id.b.al_pa));
2823
2824 } else if (mb[0] == MBS_COMMAND_COMPLETE) {
2825 /*
2826 * Login succeeded.
2827 */
2828 if (retry) {
2829 /* A retry occurred before. */
2830 *next_loopid = tmp_loopid;
2831 } else {
2832 /*
2833 * No retry occurred before. Just increment the
2834 * ID value for next login.
2835 */
2836 *next_loopid = (fcport->loop_id + 1);
2837 }
2838
2839 if (mb[1] & BIT_0) {
2840 fcport->port_type = FCT_INITIATOR;
2841 } else {
2842 fcport->port_type = FCT_TARGET;
2843 if (mb[1] & BIT_1) {
2844 fcport->flags |= FCF_TAPE_PRESENT;
2845 }
2846 }
2847
2848 if (mb[10] & BIT_0)
2849 fcport->supported_classes |= FC_COS_CLASS2;
2850 if (mb[10] & BIT_1)
2851 fcport->supported_classes |= FC_COS_CLASS3;
2852
2853 rval = QLA_SUCCESS;
2854 break;
2855 } else if (mb[0] == MBS_LOOP_ID_USED) {
2856 /*
2857 * Loop ID already used, try next loop ID.
2858 */
2859 fcport->loop_id++;
2860 rval = qla2x00_find_new_loop_id(ha, fcport);
2861 if (rval != QLA_SUCCESS) {
2862 /* Ran out of loop IDs to use */
2863 break;
2864 }
2865 } else if (mb[0] == MBS_COMMAND_ERROR) {
2866 /*
2867 * Firmware possibly timed out during login. If NO
2868 * retries are left to do then the device is declared
2869 * dead.
2870 */
2871 *next_loopid = fcport->loop_id;
2872 ha->isp_ops.fabric_logout(ha, fcport->loop_id,
2873 fcport->d_id.b.domain, fcport->d_id.b.area,
2874 fcport->d_id.b.al_pa);
2875 qla2x00_mark_device_lost(ha, fcport, 1, 0);
2876
2877 rval = 1;
2878 break;
2879 } else {
2880 /*
2881 * unrecoverable / not handled error
2882 */
2883 DEBUG2(printk("%s(%ld): failed=%x port_id=%02x%02x%02x "
2884 "loop_id=%x jiffies=%lx.\n",
2885 __func__, ha->host_no, mb[0],
2886 fcport->d_id.b.domain, fcport->d_id.b.area,
2887 fcport->d_id.b.al_pa, fcport->loop_id, jiffies));
2888
2889 *next_loopid = fcport->loop_id;
2890 ha->isp_ops.fabric_logout(ha, fcport->loop_id,
2891 fcport->d_id.b.domain, fcport->d_id.b.area,
2892 fcport->d_id.b.al_pa);
2893 fcport->loop_id = FC_NO_LOOP_ID;
2894 fcport->login_retry = 0;
2895
2896 rval = 3;
2897 break;
2898 }
2899 }
2900
2901 return (rval);
2902 }
2903
2904 /*
2905 * qla2x00_local_device_login
2906 * Issue local device login command.
2907 *
2908 * Input:
2909 * ha = adapter block pointer.
2910 * loop_id = loop id of device to login to.
2911 *
2912 * Returns (Where's the #define!!!!):
2913 * 0 - Login successfully
2914 * 1 - Login failed
2915 * 3 - Fatal error
2916 */
2917 int
2918 qla2x00_local_device_login(scsi_qla_host_t *ha, fc_port_t *fcport)
2919 {
2920 int rval;
2921 uint16_t mb[MAILBOX_REGISTER_COUNT];
2922
2923 memset(mb, 0, sizeof(mb));
2924 rval = qla2x00_login_local_device(ha, fcport, mb, BIT_0);
2925 if (rval == QLA_SUCCESS) {
2926 /* Interrogate mailbox registers for any errors */
2927 if (mb[0] == MBS_COMMAND_ERROR)
2928 rval = 1;
2929 else if (mb[0] == MBS_COMMAND_PARAMETER_ERROR)
2930 /* device not in PCB table */
2931 rval = 3;
2932 }
2933
2934 return (rval);
2935 }
2936
2937 /*
2938 * qla2x00_loop_resync
2939 * Resync with fibre channel devices.
2940 *
2941 * Input:
2942 * ha = adapter block pointer.
2943 *
2944 * Returns:
2945 * 0 = success
2946 */
2947 int
2948 qla2x00_loop_resync(scsi_qla_host_t *ha)
2949 {
2950 int rval;
2951 uint32_t wait_time;
2952
2953 rval = QLA_SUCCESS;
2954
2955 atomic_set(&ha->loop_state, LOOP_UPDATE);
2956 clear_bit(ISP_ABORT_RETRY, &ha->dpc_flags);
2957 if (ha->flags.online) {
2958 if (!(rval = qla2x00_fw_ready(ha))) {
2959 /* Wait at most MAX_TARGET RSCNs for a stable link. */
2960 wait_time = 256;
2961 do {
2962 atomic_set(&ha->loop_state, LOOP_UPDATE);
2963
2964 /* Issue a marker after FW becomes ready. */
2965 qla2x00_marker(ha, 0, 0, MK_SYNC_ALL);
2966 ha->marker_needed = 0;
2967
2968 /* Remap devices on Loop. */
2969 clear_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags);
2970
2971 qla2x00_configure_loop(ha);
2972 wait_time--;
2973 } while (!atomic_read(&ha->loop_down_timer) &&
2974 !(test_bit(ISP_ABORT_NEEDED, &ha->dpc_flags)) &&
2975 wait_time &&
2976 (test_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags)));
2977 }
2978 }
2979
2980 if (test_bit(ISP_ABORT_NEEDED, &ha->dpc_flags)) {
2981 return (QLA_FUNCTION_FAILED);
2982 }
2983
2984 if (rval) {
2985 DEBUG2_3(printk("%s(): **** FAILED ****\n", __func__));
2986 }
2987
2988 return (rval);
2989 }
2990
2991 void
2992 qla2x00_rescan_fcports(scsi_qla_host_t *ha)
2993 {
2994 int rescan_done;
2995 fc_port_t *fcport;
2996
2997 rescan_done = 0;
2998 list_for_each_entry(fcport, &ha->fcports, list) {
2999 if ((fcport->flags & FCF_RESCAN_NEEDED) == 0)
3000 continue;
3001
3002 qla2x00_update_fcport(ha, fcport);
3003 fcport->flags &= ~FCF_RESCAN_NEEDED;
3004
3005 rescan_done = 1;
3006 }
3007 qla2x00_probe_for_all_luns(ha);
3008 }
3009
3010 void
3011 qla2x00_update_fcports(scsi_qla_host_t *ha)
3012 {
3013 fc_port_t *fcport;
3014
3015 /* Go with deferred removal of rport references. */
3016 list_for_each_entry(fcport, &ha->fcports, list)
3017 if (fcport->drport)
3018 qla2x00_rport_del(fcport);
3019 }
3020
3021 /*
3022 * qla2x00_abort_isp
3023 * Resets ISP and aborts all outstanding commands.
3024 *
3025 * Input:
3026 * ha = adapter block pointer.
3027 *
3028 * Returns:
3029 * 0 = success
3030 */
3031 int
3032 qla2x00_abort_isp(scsi_qla_host_t *ha)
3033 {
3034 int rval;
3035 unsigned long flags = 0;
3036 uint16_t cnt;
3037 srb_t *sp;
3038 uint8_t status = 0;
3039
3040 if (ha->flags.online) {
3041 ha->flags.online = 0;
3042 clear_bit(ISP_ABORT_NEEDED, &ha->dpc_flags);
3043
3044 qla_printk(KERN_INFO, ha,
3045 "Performing ISP error recovery - ha= %p.\n", ha);
3046 ha->isp_ops.reset_chip(ha);
3047
3048 atomic_set(&ha->loop_down_timer, LOOP_DOWN_TIME);
3049 if (atomic_read(&ha->loop_state) != LOOP_DOWN) {
3050 atomic_set(&ha->loop_state, LOOP_DOWN);
3051 qla2x00_mark_all_devices_lost(ha, 0);
3052 } else {
3053 if (!atomic_read(&ha->loop_down_timer))
3054 atomic_set(&ha->loop_down_timer,
3055 LOOP_DOWN_TIME);
3056 }
3057
3058 spin_lock_irqsave(&ha->hardware_lock, flags);
3059 /* Requeue all commands in outstanding command list. */
3060 for (cnt = 1; cnt < MAX_OUTSTANDING_COMMANDS; cnt++) {
3061 sp = ha->outstanding_cmds[cnt];
3062 if (sp) {
3063 ha->outstanding_cmds[cnt] = NULL;
3064 sp->flags = 0;
3065 sp->cmd->result = DID_RESET << 16;
3066 sp->cmd->host_scribble = (unsigned char *)NULL;
3067 qla2x00_sp_compl(ha, sp);
3068 }
3069 }
3070 spin_unlock_irqrestore(&ha->hardware_lock, flags);
3071
3072 ha->isp_ops.get_flash_version(ha, ha->request_ring);
3073
3074 rval = ha->isp_ops.nvram_config(ha);
3075 if (rval)
3076 goto isp_abort_retry;
3077
3078 if (!qla2x00_restart_isp(ha)) {
3079 clear_bit(RESET_MARKER_NEEDED, &ha->dpc_flags);
3080
3081 if (!atomic_read(&ha->loop_down_timer)) {
3082 /*
3083 * Issue marker command only when we are going
3084 * to start the I/O .
3085 */
3086 ha->marker_needed = 1;
3087 }
3088
3089 ha->flags.online = 1;
3090
3091 ha->isp_ops.enable_intrs(ha);
3092
3093 ha->isp_abort_cnt = 0;
3094 clear_bit(ISP_ABORT_RETRY, &ha->dpc_flags);
3095
3096 if (ha->eft) {
3097 rval = qla2x00_trace_control(ha, TC_ENABLE,
3098 ha->eft_dma, EFT_NUM_BUFFERS);
3099 if (rval) {
3100 qla_printk(KERN_WARNING, ha,
3101 "Unable to reinitialize EFT "
3102 "(%d).\n", rval);
3103 }
3104 }
3105 } else { /* failed the ISP abort */
3106 isp_abort_retry:
3107 ha->flags.online = 1;
3108 if (test_bit(ISP_ABORT_RETRY, &ha->dpc_flags)) {
3109 if (ha->isp_abort_cnt == 0) {
3110 qla_printk(KERN_WARNING, ha,
3111 "ISP error recovery failed - "
3112 "board disabled\n");
3113 /*
3114 * The next call disables the board
3115 * completely.
3116 */
3117 ha->isp_ops.reset_adapter(ha);
3118 ha->flags.online = 0;
3119 clear_bit(ISP_ABORT_RETRY,
3120 &ha->dpc_flags);
3121 status = 0;
3122 } else { /* schedule another ISP abort */
3123 ha->isp_abort_cnt--;
3124 DEBUG(printk("qla%ld: ISP abort - "
3125 "retry remaining %d\n",
3126 ha->host_no, ha->isp_abort_cnt));
3127 status = 1;
3128 }
3129 } else {
3130 ha->isp_abort_cnt = MAX_RETRIES_OF_ISP_ABORT;
3131 DEBUG(printk("qla2x00(%ld): ISP error recovery "
3132 "- retrying (%d) more times\n",
3133 ha->host_no, ha->isp_abort_cnt));
3134 set_bit(ISP_ABORT_RETRY, &ha->dpc_flags);
3135 status = 1;
3136 }
3137 }
3138
3139 }
3140
3141 if (status) {
3142 qla_printk(KERN_INFO, ha,
3143 "qla2x00_abort_isp: **** FAILED ****\n");
3144 } else {
3145 DEBUG(printk(KERN_INFO
3146 "qla2x00_abort_isp(%ld): exiting.\n",
3147 ha->host_no));
3148 }
3149
3150 return(status);
3151 }
3152
3153 /*
3154 * qla2x00_restart_isp
3155 * restarts the ISP after a reset
3156 *
3157 * Input:
3158 * ha = adapter block pointer.
3159 *
3160 * Returns:
3161 * 0 = success
3162 */
3163 static int
3164 qla2x00_restart_isp(scsi_qla_host_t *ha)
3165 {
3166 uint8_t status = 0;
3167 struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
3168 unsigned long flags = 0;
3169 uint32_t wait_time;
3170
3171 /* If firmware needs to be loaded */
3172 if (qla2x00_isp_firmware(ha)) {
3173 ha->flags.online = 0;
3174 if (!(status = ha->isp_ops.chip_diag(ha))) {
3175 if (IS_QLA2100(ha) || IS_QLA2200(ha)) {
3176 status = qla2x00_setup_chip(ha);
3177 goto done;
3178 }
3179
3180 spin_lock_irqsave(&ha->hardware_lock, flags);
3181
3182 if (!IS_QLA24XX(ha) && !IS_QLA54XX(ha)) {
3183 /*
3184 * Disable SRAM, Instruction RAM and GP RAM
3185 * parity.
3186 */
3187 WRT_REG_WORD(&reg->hccr,
3188 (HCCR_ENABLE_PARITY + 0x0));
3189 RD_REG_WORD(&reg->hccr);
3190 }
3191
3192 spin_unlock_irqrestore(&ha->hardware_lock, flags);
3193
3194 status = qla2x00_setup_chip(ha);
3195
3196 spin_lock_irqsave(&ha->hardware_lock, flags);
3197
3198 if (!IS_QLA24XX(ha) && !IS_QLA54XX(ha)) {
3199 /* Enable proper parity */
3200 if (IS_QLA2300(ha))
3201 /* SRAM parity */
3202 WRT_REG_WORD(&reg->hccr,
3203 (HCCR_ENABLE_PARITY + 0x1));
3204 else
3205 /*
3206 * SRAM, Instruction RAM and GP RAM
3207 * parity.
3208 */
3209 WRT_REG_WORD(&reg->hccr,
3210 (HCCR_ENABLE_PARITY + 0x7));
3211 RD_REG_WORD(&reg->hccr);
3212 }
3213
3214 spin_unlock_irqrestore(&ha->hardware_lock, flags);
3215 }
3216 }
3217
3218 done:
3219 if (!status && !(status = qla2x00_init_rings(ha))) {
3220 clear_bit(RESET_MARKER_NEEDED, &ha->dpc_flags);
3221 if (!(status = qla2x00_fw_ready(ha))) {
3222 DEBUG(printk("%s(): Start configure loop, "
3223 "status = %d\n", __func__, status));
3224
3225 /* Issue a marker after FW becomes ready. */
3226 qla2x00_marker(ha, 0, 0, MK_SYNC_ALL);
3227
3228 ha->flags.online = 1;
3229 /* Wait at most MAX_TARGET RSCNs for a stable link. */
3230 wait_time = 256;
3231 do {
3232 clear_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags);
3233 qla2x00_configure_loop(ha);
3234 wait_time--;
3235 } while (!atomic_read(&ha->loop_down_timer) &&
3236 !(test_bit(ISP_ABORT_NEEDED, &ha->dpc_flags)) &&
3237 wait_time &&
3238 (test_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags)));
3239 }
3240
3241 /* if no cable then assume it's good */
3242 if ((ha->device_flags & DFLG_NO_CABLE))
3243 status = 0;
3244
3245 DEBUG(printk("%s(): Configure loop done, status = 0x%x\n",
3246 __func__,
3247 status));
3248 }
3249 return (status);
3250 }
3251
3252 /*
3253 * qla2x00_reset_adapter
3254 * Reset adapter.
3255 *
3256 * Input:
3257 * ha = adapter block pointer.
3258 */
3259 void
3260 qla2x00_reset_adapter(scsi_qla_host_t *ha)
3261 {
3262 unsigned long flags = 0;
3263 struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
3264
3265 ha->flags.online = 0;
3266 ha->isp_ops.disable_intrs(ha);
3267
3268 spin_lock_irqsave(&ha->hardware_lock, flags);
3269 WRT_REG_WORD(&reg->hccr, HCCR_RESET_RISC);
3270 RD_REG_WORD(&reg->hccr); /* PCI Posting. */
3271 WRT_REG_WORD(&reg->hccr, HCCR_RELEASE_RISC);
3272 RD_REG_WORD(&reg->hccr); /* PCI Posting. */
3273 spin_unlock_irqrestore(&ha->hardware_lock, flags);
3274 }
3275
3276 void
3277 qla24xx_reset_adapter(scsi_qla_host_t *ha)
3278 {
3279 unsigned long flags = 0;
3280 struct device_reg_24xx __iomem *reg = &ha->iobase->isp24;
3281
3282 ha->flags.online = 0;
3283 ha->isp_ops.disable_intrs(ha);
3284
3285 spin_lock_irqsave(&ha->hardware_lock, flags);
3286 WRT_REG_DWORD(&reg->hccr, HCCRX_SET_RISC_RESET);
3287 RD_REG_DWORD(&reg->hccr);
3288 WRT_REG_DWORD(&reg->hccr, HCCRX_REL_RISC_PAUSE);
3289 RD_REG_DWORD(&reg->hccr);
3290 spin_unlock_irqrestore(&ha->hardware_lock, flags);
3291 }
3292
3293 int
3294 qla24xx_nvram_config(scsi_qla_host_t *ha)
3295 {
3296 struct init_cb_24xx *icb;
3297 struct nvram_24xx *nv;
3298 uint32_t *dptr;
3299 uint8_t *dptr1, *dptr2;
3300 uint32_t chksum;
3301 uint16_t cnt;
3302
3303 icb = (struct init_cb_24xx *)ha->init_cb;
3304 nv = (struct nvram_24xx *)ha->request_ring;
3305
3306 /* Determine NVRAM starting address. */
3307 ha->nvram_size = sizeof(struct nvram_24xx);
3308 ha->nvram_base = FA_NVRAM_FUNC0_ADDR;
3309 ha->vpd_size = FA_NVRAM_VPD_SIZE;
3310 ha->vpd_base = FA_NVRAM_VPD0_ADDR;
3311 if (PCI_FUNC(ha->pdev->devfn)) {
3312 ha->nvram_base = FA_NVRAM_FUNC1_ADDR;
3313 ha->vpd_base = FA_NVRAM_VPD1_ADDR;
3314 }
3315
3316 /* Get NVRAM data and calculate checksum. */
3317 dptr = (uint32_t *)nv;
3318 ha->isp_ops.read_nvram(ha, (uint8_t *)dptr, ha->nvram_base,
3319 ha->nvram_size);
3320 for (cnt = 0, chksum = 0; cnt < ha->nvram_size >> 2; cnt++)
3321 chksum += le32_to_cpu(*dptr++);
3322
3323 DEBUG5(printk("scsi(%ld): Contents of NVRAM\n", ha->host_no));
3324 DEBUG5(qla2x00_dump_buffer((uint8_t *)ha->request_ring,
3325 ha->nvram_size));
3326
3327 /* Bad NVRAM data, set defaults parameters. */
3328 if (chksum || nv->id[0] != 'I' || nv->id[1] != 'S' || nv->id[2] != 'P'
3329 || nv->id[3] != ' ' ||
3330 nv->nvram_version < __constant_cpu_to_le16(ICB_VERSION)) {
3331 /* Reset NVRAM data. */
3332 qla_printk(KERN_WARNING, ha, "Inconsistent NVRAM detected: "
3333 "checksum=0x%x id=%c version=0x%x.\n", chksum, nv->id[0],
3334 le16_to_cpu(nv->nvram_version));
3335 return QLA_FUNCTION_FAILED;
3336 }
3337
3338 /* Reset Initialization control block */
3339 memset(icb, 0, sizeof(struct init_cb_24xx));
3340
3341 /* Copy 1st segment. */
3342 dptr1 = (uint8_t *)icb;
3343 dptr2 = (uint8_t *)&nv->version;
3344 cnt = (uint8_t *)&icb->response_q_inpointer - (uint8_t *)&icb->version;
3345 while (cnt--)
3346 *dptr1++ = *dptr2++;
3347
3348 icb->login_retry_count = nv->login_retry_count;
3349 icb->link_down_on_nos = nv->link_down_on_nos;
3350
3351 /* Copy 2nd segment. */
3352 dptr1 = (uint8_t *)&icb->interrupt_delay_timer;
3353 dptr2 = (uint8_t *)&nv->interrupt_delay_timer;
3354 cnt = (uint8_t *)&icb->reserved_3 -
3355 (uint8_t *)&icb->interrupt_delay_timer;
3356 while (cnt--)
3357 *dptr1++ = *dptr2++;
3358
3359 /*
3360 * Setup driver NVRAM options.
3361 */
3362 qla2x00_set_model_info(ha, nv->model_name, sizeof(nv->model_name),
3363 "QLA2462");
3364
3365 /* Use alternate WWN? */
3366 if (nv->host_p & __constant_cpu_to_le32(BIT_15)) {
3367 memcpy(icb->node_name, nv->alternate_node_name, WWN_SIZE);
3368 memcpy(icb->port_name, nv->alternate_port_name, WWN_SIZE);
3369 }
3370
3371 /* Prepare nodename */
3372 if ((icb->firmware_options_1 & __constant_cpu_to_le32(BIT_14)) == 0) {
3373 /*
3374 * Firmware will apply the following mask if the nodename was
3375 * not provided.
3376 */
3377 memcpy(icb->node_name, icb->port_name, WWN_SIZE);
3378 icb->node_name[0] &= 0xF0;
3379 }
3380
3381 /* Set host adapter parameters. */
3382 ha->flags.disable_risc_code_load = 0;
3383 ha->flags.enable_lip_reset = 0;
3384 ha->flags.enable_lip_full_login =
3385 le32_to_cpu(nv->host_p) & BIT_10 ? 1: 0;
3386 ha->flags.enable_target_reset =
3387 le32_to_cpu(nv->host_p) & BIT_11 ? 1: 0;
3388 ha->flags.enable_led_scheme = 0;
3389 ha->flags.disable_serdes = le32_to_cpu(nv->host_p) & BIT_5 ? 1: 0;
3390
3391 ha->operating_mode = (le32_to_cpu(icb->firmware_options_2) &
3392 (BIT_6 | BIT_5 | BIT_4)) >> 4;
3393
3394 memcpy(ha->fw_seriallink_options24, nv->seriallink_options,
3395 sizeof(ha->fw_seriallink_options24));
3396
3397 /* save HBA serial number */
3398 ha->serial0 = icb->port_name[5];
3399 ha->serial1 = icb->port_name[6];
3400 ha->serial2 = icb->port_name[7];
3401 ha->node_name = icb->node_name;
3402 ha->port_name = icb->port_name;
3403
3404 icb->execution_throttle = __constant_cpu_to_le16(0xFFFF);
3405
3406 ha->retry_count = le16_to_cpu(nv->login_retry_count);
3407
3408 /* Set minimum login_timeout to 4 seconds. */
3409 if (le16_to_cpu(nv->login_timeout) < ql2xlogintimeout)
3410 nv->login_timeout = cpu_to_le16(ql2xlogintimeout);
3411 if (le16_to_cpu(nv->login_timeout) < 4)
3412 nv->login_timeout = __constant_cpu_to_le16(4);
3413 ha->login_timeout = le16_to_cpu(nv->login_timeout);
3414 icb->login_timeout = cpu_to_le16(nv->login_timeout);
3415
3416 /* Set minimum RATOV to 200 tenths of a second. */
3417 ha->r_a_tov = 200;
3418
3419 ha->loop_reset_delay = nv->reset_delay;
3420
3421 /* Link Down Timeout = 0:
3422 *
3423 * When Port Down timer expires we will start returning
3424 * I/O's to OS with "DID_NO_CONNECT".
3425 *
3426 * Link Down Timeout != 0:
3427 *
3428 * The driver waits for the link to come up after link down
3429 * before returning I/Os to OS with "DID_NO_CONNECT".
3430 */
3431 if (le16_to_cpu(nv->link_down_timeout) == 0) {
3432 ha->loop_down_abort_time =
3433 (LOOP_DOWN_TIME - LOOP_DOWN_TIMEOUT);
3434 } else {
3435 ha->link_down_timeout = le16_to_cpu(nv->link_down_timeout);
3436 ha->loop_down_abort_time =
3437 (LOOP_DOWN_TIME - ha->link_down_timeout);
3438 }
3439
3440 /* Need enough time to try and get the port back. */
3441 ha->port_down_retry_count = le16_to_cpu(nv->port_down_retry_count);
3442 if (qlport_down_retry)
3443 ha->port_down_retry_count = qlport_down_retry;
3444
3445 /* Set login_retry_count */
3446 ha->login_retry_count = le16_to_cpu(nv->login_retry_count);
3447 if (ha->port_down_retry_count ==
3448 le16_to_cpu(nv->port_down_retry_count) &&
3449 ha->port_down_retry_count > 3)
3450 ha->login_retry_count = ha->port_down_retry_count;
3451 else if (ha->port_down_retry_count > (int)ha->login_retry_count)
3452 ha->login_retry_count = ha->port_down_retry_count;
3453 if (ql2xloginretrycount)
3454 ha->login_retry_count = ql2xloginretrycount;
3455
3456 /* Enable ZIO. */
3457 if (!ha->flags.init_done) {
3458 ha->zio_mode = le32_to_cpu(icb->firmware_options_2) &
3459 (BIT_3 | BIT_2 | BIT_1 | BIT_0);
3460 ha->zio_timer = le16_to_cpu(icb->interrupt_delay_timer) ?
3461 le16_to_cpu(icb->interrupt_delay_timer): 2;
3462 }
3463 icb->firmware_options_2 &= __constant_cpu_to_le32(
3464 ~(BIT_3 | BIT_2 | BIT_1 | BIT_0));
3465 ha->flags.process_response_queue = 0;
3466 if (ha->zio_mode != QLA_ZIO_DISABLED) {
3467 ha->zio_mode = QLA_ZIO_MODE_6;
3468
3469 DEBUG2(printk("scsi(%ld): ZIO mode %d enabled; timer delay "
3470 "(%d us).\n", ha->host_no, ha->zio_mode,
3471 ha->zio_timer * 100));
3472 qla_printk(KERN_INFO, ha,
3473 "ZIO mode %d enabled; timer delay (%d us).\n",
3474 ha->zio_mode, ha->zio_timer * 100);
3475
3476 icb->firmware_options_2 |= cpu_to_le32(
3477 (uint32_t)ha->zio_mode);
3478 icb->interrupt_delay_timer = cpu_to_le16(ha->zio_timer);
3479 ha->flags.process_response_queue = 1;
3480 }
3481
3482 return QLA_SUCCESS;
3483 }
3484
3485 static int
3486 qla24xx_load_risc_flash(scsi_qla_host_t *ha, uint32_t *srisc_addr)
3487 {
3488 int rval;
3489 int segments, fragment;
3490 uint32_t faddr;
3491 uint32_t *dcode, dlen;
3492 uint32_t risc_addr;
3493 uint32_t risc_size;
3494 uint32_t i;
3495
3496 rval = QLA_SUCCESS;
3497
3498 segments = FA_RISC_CODE_SEGMENTS;
3499 faddr = FA_RISC_CODE_ADDR;
3500 dcode = (uint32_t *)ha->request_ring;
3501 *srisc_addr = 0;
3502
3503 /* Validate firmware image by checking version. */
3504 qla24xx_read_flash_data(ha, dcode, faddr + 4, 4);
3505 for (i = 0; i < 4; i++)
3506 dcode[i] = be32_to_cpu(dcode[i]);
3507 if ((dcode[0] == 0xffffffff && dcode[1] == 0xffffffff &&
3508 dcode[2] == 0xffffffff && dcode[3] == 0xffffffff) ||
3509 (dcode[0] == 0 && dcode[1] == 0 && dcode[2] == 0 &&
3510 dcode[3] == 0)) {
3511 qla_printk(KERN_WARNING, ha,
3512 "Unable to verify integrity of flash firmware image!\n");
3513 qla_printk(KERN_WARNING, ha,
3514 "Firmware data: %08x %08x %08x %08x!\n", dcode[0],
3515 dcode[1], dcode[2], dcode[3]);
3516
3517 return QLA_FUNCTION_FAILED;
3518 }
3519
3520 while (segments && rval == QLA_SUCCESS) {
3521 /* Read segment's load information. */
3522 qla24xx_read_flash_data(ha, dcode, faddr, 4);
3523
3524 risc_addr = be32_to_cpu(dcode[2]);
3525 *srisc_addr = *srisc_addr == 0 ? risc_addr : *srisc_addr;
3526 risc_size = be32_to_cpu(dcode[3]);
3527
3528 fragment = 0;
3529 while (risc_size > 0 && rval == QLA_SUCCESS) {
3530 dlen = (uint32_t)(ha->fw_transfer_size >> 2);
3531 if (dlen > risc_size)
3532 dlen = risc_size;
3533
3534 DEBUG7(printk("scsi(%ld): Loading risc segment@ risc "
3535 "addr %x, number of dwords 0x%x, offset 0x%x.\n",
3536 ha->host_no, risc_addr, dlen, faddr));
3537
3538 qla24xx_read_flash_data(ha, dcode, faddr, dlen);
3539 for (i = 0; i < dlen; i++)
3540 dcode[i] = swab32(dcode[i]);
3541
3542 rval = qla2x00_load_ram(ha, ha->request_dma, risc_addr,
3543 dlen);
3544 if (rval) {
3545 DEBUG(printk("scsi(%ld):[ERROR] Failed to load "
3546 "segment %d of firmware\n", ha->host_no,
3547 fragment));
3548 qla_printk(KERN_WARNING, ha,
3549 "[ERROR] Failed to load segment %d of "
3550 "firmware\n", fragment);
3551 break;
3552 }
3553
3554 faddr += dlen;
3555 risc_addr += dlen;
3556 risc_size -= dlen;
3557 fragment++;
3558 }
3559
3560 /* Next segment. */
3561 segments--;
3562 }
3563
3564 return rval;
3565 }
3566
3567 #define QLA_FW_URL "ftp://ftp.qlogic.com/outgoing/linux/firmware/"
3568
3569 int
3570 qla2x00_load_risc(scsi_qla_host_t *ha, uint32_t *srisc_addr)
3571 {
3572 int rval;
3573 int i, fragment;
3574 uint16_t *wcode, *fwcode;
3575 uint32_t risc_addr, risc_size, fwclen, wlen, *seg;
3576 struct fw_blob *blob;
3577
3578 /* Load firmware blob. */
3579 blob = qla2x00_request_firmware(ha);
3580 if (!blob) {
3581 qla_printk(KERN_ERR, ha, "Firmware image unavailable.\n");
3582 qla_printk(KERN_ERR, ha, "Firmware images can be retrieved "
3583 "from: " QLA_FW_URL ".\n");
3584 return QLA_FUNCTION_FAILED;
3585 }
3586
3587 rval = QLA_SUCCESS;
3588
3589 wcode = (uint16_t *)ha->request_ring;
3590 *srisc_addr = 0;
3591 fwcode = (uint16_t *)blob->fw->data;
3592 fwclen = 0;
3593
3594 /* Validate firmware image by checking version. */
3595 if (blob->fw->size < 8 * sizeof(uint16_t)) {
3596 qla_printk(KERN_WARNING, ha,
3597 "Unable to verify integrity of firmware image (%Zd)!\n",
3598 blob->fw->size);
3599 goto fail_fw_integrity;
3600 }
3601 for (i = 0; i < 4; i++)
3602 wcode[i] = be16_to_cpu(fwcode[i + 4]);
3603 if ((wcode[0] == 0xffff && wcode[1] == 0xffff && wcode[2] == 0xffff &&
3604 wcode[3] == 0xffff) || (wcode[0] == 0 && wcode[1] == 0 &&
3605 wcode[2] == 0 && wcode[3] == 0)) {
3606 qla_printk(KERN_WARNING, ha,
3607 "Unable to verify integrity of firmware image!\n");
3608 qla_printk(KERN_WARNING, ha,
3609 "Firmware data: %04x %04x %04x %04x!\n", wcode[0],
3610 wcode[1], wcode[2], wcode[3]);
3611 goto fail_fw_integrity;
3612 }
3613
3614 seg = blob->segs;
3615 while (*seg && rval == QLA_SUCCESS) {
3616 risc_addr = *seg;
3617 *srisc_addr = *srisc_addr == 0 ? *seg : *srisc_addr;
3618 risc_size = be16_to_cpu(fwcode[3]);
3619
3620 /* Validate firmware image size. */
3621 fwclen += risc_size * sizeof(uint16_t);
3622 if (blob->fw->size < fwclen) {
3623 qla_printk(KERN_WARNING, ha,
3624 "Unable to verify integrity of firmware image "
3625 "(%Zd)!\n", blob->fw->size);
3626 goto fail_fw_integrity;
3627 }
3628
3629 fragment = 0;
3630 while (risc_size > 0 && rval == QLA_SUCCESS) {
3631 wlen = (uint16_t)(ha->fw_transfer_size >> 1);
3632 if (wlen > risc_size)
3633 wlen = risc_size;
3634
3635 DEBUG7(printk("scsi(%ld): Loading risc segment@ risc "
3636 "addr %x, number of words 0x%x.\n", ha->host_no,
3637 risc_addr, wlen));
3638
3639 for (i = 0; i < wlen; i++)
3640 wcode[i] = swab16(fwcode[i]);
3641
3642 rval = qla2x00_load_ram(ha, ha->request_dma, risc_addr,
3643 wlen);
3644 if (rval) {
3645 DEBUG(printk("scsi(%ld):[ERROR] Failed to load "
3646 "segment %d of firmware\n", ha->host_no,
3647 fragment));
3648 qla_printk(KERN_WARNING, ha,
3649 "[ERROR] Failed to load segment %d of "
3650 "firmware\n", fragment);
3651 break;
3652 }
3653
3654 fwcode += wlen;
3655 risc_addr += wlen;
3656 risc_size -= wlen;
3657 fragment++;
3658 }
3659
3660 /* Next segment. */
3661 seg++;
3662 }
3663 return rval;
3664
3665 fail_fw_integrity:
3666 return QLA_FUNCTION_FAILED;
3667 }
3668
3669 int
3670 qla24xx_load_risc(scsi_qla_host_t *ha, uint32_t *srisc_addr)
3671 {
3672 int rval;
3673 int segments, fragment;
3674 uint32_t *dcode, dlen;
3675 uint32_t risc_addr;
3676 uint32_t risc_size;
3677 uint32_t i;
3678 struct fw_blob *blob;
3679 uint32_t *fwcode, fwclen;
3680
3681 /* Load firmware blob. */
3682 blob = qla2x00_request_firmware(ha);
3683 if (!blob) {
3684 qla_printk(KERN_ERR, ha, "Firmware image unavailable.\n");
3685 qla_printk(KERN_ERR, ha, "Firmware images can be retrieved "
3686 "from: " QLA_FW_URL ".\n");
3687
3688 /* Try to load RISC code from flash. */
3689 qla_printk(KERN_ERR, ha, "Attempting to load (potentially "
3690 "outdated) firmware from flash.\n");
3691 return qla24xx_load_risc_flash(ha, srisc_addr);
3692 }
3693
3694 rval = QLA_SUCCESS;
3695
3696 segments = FA_RISC_CODE_SEGMENTS;
3697 dcode = (uint32_t *)ha->request_ring;
3698 *srisc_addr = 0;
3699 fwcode = (uint32_t *)blob->fw->data;
3700 fwclen = 0;
3701
3702 /* Validate firmware image by checking version. */
3703 if (blob->fw->size < 8 * sizeof(uint32_t)) {
3704 qla_printk(KERN_WARNING, ha,
3705 "Unable to verify integrity of firmware image (%Zd)!\n",
3706 blob->fw->size);
3707 goto fail_fw_integrity;
3708 }
3709 for (i = 0; i < 4; i++)
3710 dcode[i] = be32_to_cpu(fwcode[i + 4]);
3711 if ((dcode[0] == 0xffffffff && dcode[1] == 0xffffffff &&
3712 dcode[2] == 0xffffffff && dcode[3] == 0xffffffff) ||
3713 (dcode[0] == 0 && dcode[1] == 0 && dcode[2] == 0 &&
3714 dcode[3] == 0)) {
3715 qla_printk(KERN_WARNING, ha,
3716 "Unable to verify integrity of firmware image!\n");
3717 qla_printk(KERN_WARNING, ha,
3718 "Firmware data: %08x %08x %08x %08x!\n", dcode[0],
3719 dcode[1], dcode[2], dcode[3]);
3720 goto fail_fw_integrity;
3721 }
3722
3723 while (segments && rval == QLA_SUCCESS) {
3724 risc_addr = be32_to_cpu(fwcode[2]);
3725 *srisc_addr = *srisc_addr == 0 ? risc_addr : *srisc_addr;
3726 risc_size = be32_to_cpu(fwcode[3]);
3727
3728 /* Validate firmware image size. */
3729 fwclen += risc_size * sizeof(uint32_t);
3730 if (blob->fw->size < fwclen) {
3731 qla_printk(KERN_WARNING, ha,
3732 "Unable to verify integrity of firmware image "
3733 "(%Zd)!\n", blob->fw->size);
3734
3735 goto fail_fw_integrity;
3736 }
3737
3738 fragment = 0;
3739 while (risc_size > 0 && rval == QLA_SUCCESS) {
3740 dlen = (uint32_t)(ha->fw_transfer_size >> 2);
3741 if (dlen > risc_size)
3742 dlen = risc_size;
3743
3744 DEBUG7(printk("scsi(%ld): Loading risc segment@ risc "
3745 "addr %x, number of dwords 0x%x.\n", ha->host_no,
3746 risc_addr, dlen));
3747
3748 for (i = 0; i < dlen; i++)
3749 dcode[i] = swab32(fwcode[i]);
3750
3751 rval = qla2x00_load_ram(ha, ha->request_dma, risc_addr,
3752 dlen);
3753 if (rval) {
3754 DEBUG(printk("scsi(%ld):[ERROR] Failed to load "
3755 "segment %d of firmware\n", ha->host_no,
3756 fragment));
3757 qla_printk(KERN_WARNING, ha,
3758 "[ERROR] Failed to load segment %d of "
3759 "firmware\n", fragment);
3760 break;
3761 }
3762
3763 fwcode += dlen;
3764 risc_addr += dlen;
3765 risc_size -= dlen;
3766 fragment++;
3767 }
3768
3769 /* Next segment. */
3770 segments--;
3771 }
3772 return rval;
3773
3774 fail_fw_integrity:
3775 return QLA_FUNCTION_FAILED;
3776 }
3777
3778 void
3779 qla2x00_try_to_stop_firmware(scsi_qla_host_t *ha)
3780 {
3781 int ret, retries;
3782
3783 if (!IS_QLA24XX(ha) && !IS_QLA54XX(ha))
3784 return;
3785
3786 ret = qla2x00_stop_firmware(ha);
3787 for (retries = 5; ret != QLA_SUCCESS && retries ; retries--) {
3788 qla2x00_reset_chip(ha);
3789 if (qla2x00_chip_diag(ha) != QLA_SUCCESS)
3790 continue;
3791 if (qla2x00_setup_chip(ha) != QLA_SUCCESS)
3792 continue;
3793 qla_printk(KERN_INFO, ha,
3794 "Attempting retry of stop-firmware command...\n");
3795 ret = qla2x00_stop_firmware(ha);
3796 }
3797 }