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Merge by hand (conflicts in scsi_lib.c)
[linux-2.6/mini2440.git] / drivers / scsi / qla2xxx / qla_init.c
blob7d973bd9022bb84773a11aa490ed39df1608133a
1 /*
2 * QLogic Fibre Channel HBA Driver
3 * Copyright (c) 2003-2005 QLogic Corporation
4 *
5 * See LICENSE.qla2xxx for copyright and licensing details.
6 */
7 #include "qla_def.h"
8
9 #include <linux/delay.h>
10 #include <linux/vmalloc.h>
11 #include <scsi/scsi_transport_fc.h>
12
13 #include "qla_devtbl.h"
14
15 /* XXX(hch): this is ugly, but we don't want to pull in exioctl.h */
16 #ifndef EXT_IS_LUN_BIT_SET
17 #define EXT_IS_LUN_BIT_SET(P,L) \
18 (((P)->mask[L/8] & (0x80 >> (L%8)))?1:0)
19 #define EXT_SET_LUN_BIT(P,L) \
20 ((P)->mask[L/8] |= (0x80 >> (L%8)))
21 #endif
22
23 /*
24 * QLogic ISP2x00 Hardware Support Function Prototypes.
25 */
26 static int qla2x00_isp_firmware(scsi_qla_host_t *);
27 static void qla2x00_resize_request_q(scsi_qla_host_t *);
28 static int qla2x00_setup_chip(scsi_qla_host_t *);
29 static void qla2x00_init_response_q_entries(scsi_qla_host_t *);
30 static int qla2x00_init_rings(scsi_qla_host_t *);
31 static int qla2x00_fw_ready(scsi_qla_host_t *);
32 static int qla2x00_configure_hba(scsi_qla_host_t *);
33 static int qla2x00_configure_loop(scsi_qla_host_t *);
34 static int qla2x00_configure_local_loop(scsi_qla_host_t *);
35 static void qla2x00_update_fcport(scsi_qla_host_t *, fc_port_t *);
36 static int qla2x00_configure_fabric(scsi_qla_host_t *);
37 static int qla2x00_find_all_fabric_devs(scsi_qla_host_t *, struct list_head *);
38 static int qla2x00_device_resync(scsi_qla_host_t *);
39 static int qla2x00_fabric_dev_login(scsi_qla_host_t *, fc_port_t *,
40 uint16_t *);
41
42 static int qla2x00_restart_isp(scsi_qla_host_t *);
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 uint8_t restart_risc = 0;
63 uint8_t retry;
64 uint32_t wait_time;
65
66 /* Clear adapter flags. */
67 ha->flags.online = 0;
68 ha->flags.reset_active = 0;
69 atomic_set(&ha->loop_down_timer, LOOP_DOWN_TIME);
70 atomic_set(&ha->loop_state, LOOP_DOWN);
71 ha->device_flags = 0;
72 ha->dpc_flags = 0;
73 ha->flags.management_server_logged_in = 0;
74 ha->marker_needed = 0;
75 ha->mbx_flags = 0;
76 ha->isp_abort_cnt = 0;
77 ha->beacon_blink_led = 0;
78 set_bit(REGISTER_FDMI_NEEDED, &ha->dpc_flags);
79
80 qla_printk(KERN_INFO, ha, "Configuring PCI space...\n");
81 rval = ha->isp_ops.pci_config(ha);
82 if (rval) {
83 DEBUG2(printk("scsi(%ld): Unable to configure PCI space=n",
84 ha->host_no));
85 return (rval);
86 }
87
88 ha->isp_ops.reset_chip(ha);
89
90 qla_printk(KERN_INFO, ha, "Configure NVRAM parameters...\n");
91
92 ha->isp_ops.nvram_config(ha);
93
94 qla_printk(KERN_INFO, ha, "Verifying loaded RISC code...\n");
95
96 retry = 10;
97 /*
98 * Try to configure the loop.
99 */
100 do {
101 restart_risc = 0;
102
103 /* If firmware needs to be loaded */
104 if (qla2x00_isp_firmware(ha) != QLA_SUCCESS) {
105 if ((rval = ha->isp_ops.chip_diag(ha)) == QLA_SUCCESS) {
106 rval = qla2x00_setup_chip(ha);
107 }
108 }
109
110 if (rval == QLA_SUCCESS &&
111 (rval = qla2x00_init_rings(ha)) == QLA_SUCCESS) {
112 check_fw_ready_again:
113 /*
114 * Wait for a successful LIP up to a maximum
115 * of (in seconds): RISC login timeout value,
116 * RISC retry count value, and port down retry
117 * value OR a minimum of 4 seconds OR If no
118 * cable, only 5 seconds.
119 */
120 rval = qla2x00_fw_ready(ha);
121 if (rval == QLA_SUCCESS) {
122 clear_bit(RESET_MARKER_NEEDED, &ha->dpc_flags);
123
124 /* Issue a marker after FW becomes ready. */
125 qla2x00_marker(ha, 0, 0, MK_SYNC_ALL);
126
127 /*
128 * Wait at most MAX_TARGET RSCNs for a stable
129 * link.
130 */
131 wait_time = 256;
132 do {
133 clear_bit(LOOP_RESYNC_NEEDED,
134 &ha->dpc_flags);
135 rval = qla2x00_configure_loop(ha);
136
137 if (test_and_clear_bit(ISP_ABORT_NEEDED,
138 &ha->dpc_flags)) {
139 restart_risc = 1;
140 break;
141 }
142
143 /*
144 * If loop state change while we were
145 * discoverying devices then wait for
146 * LIP to complete
147 */
148
149 if (atomic_read(&ha->loop_state) !=
150 LOOP_READY && retry--) {
151 goto check_fw_ready_again;
152 }
153 wait_time--;
154 } while (!atomic_read(&ha->loop_down_timer) &&
155 retry &&
156 wait_time &&
157 (test_bit(LOOP_RESYNC_NEEDED,
158 &ha->dpc_flags)));
159
160 if (wait_time == 0)
161 rval = QLA_FUNCTION_FAILED;
162 } else if (ha->device_flags & DFLG_NO_CABLE)
163 /* If no cable, then all is good. */
164 rval = QLA_SUCCESS;
165 }
166 } while (restart_risc && retry--);
167
168 if (rval == QLA_SUCCESS) {
169 clear_bit(RESET_MARKER_NEEDED, &ha->dpc_flags);
170 qla2x00_marker(ha, 0, 0, MK_SYNC_ALL);
171 ha->marker_needed = 0;
172
173 ha->flags.online = 1;
174 } else {
175 DEBUG2_3(printk("%s(): **** FAILED ****\n", __func__));
176 }
177
178 return (rval);
179 }
180
181 /**
182 * qla2100_pci_config() - Setup ISP21xx PCI configuration registers.
183 * @ha: HA context
184 *
185 * Returns 0 on success.
186 */
187 int
188 qla2100_pci_config(scsi_qla_host_t *ha)
189 {
190 uint16_t w, mwi;
191 uint32_t d;
192 unsigned long flags;
193 struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
194
195 pci_set_master(ha->pdev);
196 mwi = 0;
197 if (pci_set_mwi(ha->pdev))
198 mwi = PCI_COMMAND_INVALIDATE;
199 pci_read_config_word(ha->pdev, PCI_REVISION_ID, &ha->revision);
200
201 pci_read_config_word(ha->pdev, PCI_COMMAND, &w);
202 w |= mwi | (PCI_COMMAND_PARITY | PCI_COMMAND_SERR);
203 pci_write_config_word(ha->pdev, PCI_COMMAND, w);
204
205 /* Reset expansion ROM address decode enable */
206 pci_read_config_dword(ha->pdev, PCI_ROM_ADDRESS, &d);
207 d &= ~PCI_ROM_ADDRESS_ENABLE;
208 pci_write_config_dword(ha->pdev, PCI_ROM_ADDRESS, d);
209
210 /* Get PCI bus information. */
211 spin_lock_irqsave(&ha->hardware_lock, flags);
212 ha->pci_attr = RD_REG_WORD(&reg->ctrl_status);
213 spin_unlock_irqrestore(&ha->hardware_lock, flags);
214
215 return QLA_SUCCESS;
216 }
217
218 /**
219 * qla2300_pci_config() - Setup ISP23xx PCI configuration registers.
220 * @ha: HA context
221 *
222 * Returns 0 on success.
223 */
224 int
225 qla2300_pci_config(scsi_qla_host_t *ha)
226 {
227 uint16_t w, mwi;
228 uint32_t d;
229 unsigned long flags = 0;
230 uint32_t cnt;
231 struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
232
233 pci_set_master(ha->pdev);
234 mwi = 0;
235 if (pci_set_mwi(ha->pdev))
236 mwi = PCI_COMMAND_INVALIDATE;
237 pci_read_config_word(ha->pdev, PCI_REVISION_ID, &ha->revision);
238
239 pci_read_config_word(ha->pdev, PCI_COMMAND, &w);
240 w |= mwi | (PCI_COMMAND_PARITY | PCI_COMMAND_SERR);
241
242 if (IS_QLA2322(ha) || IS_QLA6322(ha))
243 w &= ~PCI_COMMAND_INTX_DISABLE;
244
245 /*
246 * If this is a 2300 card and not 2312, reset the
247 * COMMAND_INVALIDATE due to a bug in the 2300. Unfortunately,
248 * the 2310 also reports itself as a 2300 so we need to get the
249 * fb revision level -- a 6 indicates it really is a 2300 and
250 * not a 2310.
251 */
252 if (IS_QLA2300(ha)) {
253 spin_lock_irqsave(&ha->hardware_lock, flags);
254
255 /* Pause RISC. */
256 WRT_REG_WORD(&reg->hccr, HCCR_PAUSE_RISC);
257 for (cnt = 0; cnt < 30000; cnt++) {
258 if ((RD_REG_WORD(&reg->hccr) & HCCR_RISC_PAUSE) != 0)
259 break;
260
261 udelay(10);
262 }
263
264 /* Select FPM registers. */
265 WRT_REG_WORD(&reg->ctrl_status, 0x20);
266 RD_REG_WORD(&reg->ctrl_status);
267
268 /* Get the fb rev level */
269 ha->fb_rev = RD_FB_CMD_REG(ha, reg);
270
271 if (ha->fb_rev == FPM_2300)
272 w &= ~PCI_COMMAND_INVALIDATE;
273
274 /* Deselect FPM registers. */
275 WRT_REG_WORD(&reg->ctrl_status, 0x0);
276 RD_REG_WORD(&reg->ctrl_status);
277
278 /* Release RISC module. */
279 WRT_REG_WORD(&reg->hccr, HCCR_RELEASE_RISC);
280 for (cnt = 0; cnt < 30000; cnt++) {
281 if ((RD_REG_WORD(&reg->hccr) & HCCR_RISC_PAUSE) == 0)
282 break;
283
284 udelay(10);
285 }
286
287 spin_unlock_irqrestore(&ha->hardware_lock, flags);
288 }
289 pci_write_config_word(ha->pdev, PCI_COMMAND, w);
290
291 pci_write_config_byte(ha->pdev, PCI_LATENCY_TIMER, 0x80);
292
293 /* Reset expansion ROM address decode enable */
294 pci_read_config_dword(ha->pdev, PCI_ROM_ADDRESS, &d);
295 d &= ~PCI_ROM_ADDRESS_ENABLE;
296 pci_write_config_dword(ha->pdev, PCI_ROM_ADDRESS, d);
297
298 /* Get PCI bus information. */
299 spin_lock_irqsave(&ha->hardware_lock, flags);
300 ha->pci_attr = RD_REG_WORD(&reg->ctrl_status);
301 spin_unlock_irqrestore(&ha->hardware_lock, flags);
302
303 return QLA_SUCCESS;
304 }
305
306 /**
307 * qla24xx_pci_config() - Setup ISP24xx PCI configuration registers.
308 * @ha: HA context
309 *
310 * Returns 0 on success.
311 */
312 int
313 qla24xx_pci_config(scsi_qla_host_t *ha)
314 {
315 uint16_t w, mwi;
316 uint32_t d;
317 unsigned long flags = 0;
318 struct device_reg_24xx __iomem *reg = &ha->iobase->isp24;
319 int pcix_cmd_reg, pcie_dctl_reg;
320
321 pci_set_master(ha->pdev);
322 mwi = 0;
323 if (pci_set_mwi(ha->pdev))
324 mwi = PCI_COMMAND_INVALIDATE;
325 pci_read_config_word(ha->pdev, PCI_REVISION_ID, &ha->revision);
326
327 pci_read_config_word(ha->pdev, PCI_COMMAND, &w);
328 w |= mwi | (PCI_COMMAND_PARITY | PCI_COMMAND_SERR);
329 w &= ~PCI_COMMAND_INTX_DISABLE;
330 pci_write_config_word(ha->pdev, PCI_COMMAND, w);
331
332 pci_write_config_byte(ha->pdev, PCI_LATENCY_TIMER, 0x80);
333
334 /* PCI-X -- adjust Maximum Memory Read Byte Count (2048). */
335 pcix_cmd_reg = pci_find_capability(ha->pdev, PCI_CAP_ID_PCIX);
336 if (pcix_cmd_reg) {
337 uint16_t pcix_cmd;
338
339 pcix_cmd_reg += PCI_X_CMD;
340 pci_read_config_word(ha->pdev, pcix_cmd_reg, &pcix_cmd);
341 pcix_cmd &= ~PCI_X_CMD_MAX_READ;
342 pcix_cmd |= 0x0008;
343 pci_write_config_word(ha->pdev, pcix_cmd_reg, pcix_cmd);
344 }
345
346 /* PCIe -- adjust Maximum Read Request Size (2048). */
347 pcie_dctl_reg = pci_find_capability(ha->pdev, PCI_CAP_ID_EXP);
348 if (pcie_dctl_reg) {
349 uint16_t pcie_dctl;
350
351 pcie_dctl_reg += PCI_EXP_DEVCTL;
352 pci_read_config_word(ha->pdev, pcie_dctl_reg, &pcie_dctl);
353 pcie_dctl &= ~PCI_EXP_DEVCTL_READRQ;
354 pcie_dctl |= 0x4000;
355 pci_write_config_word(ha->pdev, pcie_dctl_reg, pcie_dctl);
356 }
357
358 /* Reset expansion ROM address decode enable */
359 pci_read_config_dword(ha->pdev, PCI_ROM_ADDRESS, &d);
360 d &= ~PCI_ROM_ADDRESS_ENABLE;
361 pci_write_config_dword(ha->pdev, PCI_ROM_ADDRESS, d);
362
363 /* Get PCI bus information. */
364 spin_lock_irqsave(&ha->hardware_lock, flags);
365 ha->pci_attr = RD_REG_DWORD(&reg->ctrl_status);
366 spin_unlock_irqrestore(&ha->hardware_lock, flags);
367
368 return QLA_SUCCESS;
369 }
370
371 /**
372 * qla2x00_isp_firmware() - Choose firmware image.
373 * @ha: HA context
374 *
375 * Returns 0 on success.
376 */
377 static int
378 qla2x00_isp_firmware(scsi_qla_host_t *ha)
379 {
380 int rval;
381
382 /* Assume loading risc code */
383 rval = QLA_FUNCTION_FAILED;
384
385 if (ha->flags.disable_risc_code_load) {
386 DEBUG2(printk("scsi(%ld): RISC CODE NOT loaded\n",
387 ha->host_no));
388 qla_printk(KERN_INFO, ha, "RISC CODE NOT loaded\n");
389
390 /* Verify checksum of loaded RISC code. */
391 rval = qla2x00_verify_checksum(ha,
392 IS_QLA24XX(ha) || IS_QLA25XX(ha) ? RISC_SADDRESS :
393 *ha->brd_info->fw_info[0].fwstart);
394 }
395
396 if (rval) {
397 DEBUG2_3(printk("scsi(%ld): **** Load RISC code ****\n",
398 ha->host_no));
399 }
400
401 return (rval);
402 }
403
404 /**
405 * qla2x00_reset_chip() - Reset ISP chip.
406 * @ha: HA context
407 *
408 * Returns 0 on success.
409 */
410 void
411 qla2x00_reset_chip(scsi_qla_host_t *ha)
412 {
413 unsigned long flags = 0;
414 struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
415 uint32_t cnt;
416 unsigned long mbx_flags = 0;
417 uint16_t cmd;
418
419 ha->isp_ops.disable_intrs(ha);
420
421 spin_lock_irqsave(&ha->hardware_lock, flags);
422
423 /* Turn off master enable */
424 cmd = 0;
425 pci_read_config_word(ha->pdev, PCI_COMMAND, &cmd);
426 cmd &= ~PCI_COMMAND_MASTER;
427 pci_write_config_word(ha->pdev, PCI_COMMAND, cmd);
428
429 if (!IS_QLA2100(ha)) {
430 /* Pause RISC. */
431 WRT_REG_WORD(&reg->hccr, HCCR_PAUSE_RISC);
432 if (IS_QLA2200(ha) || IS_QLA2300(ha)) {
433 for (cnt = 0; cnt < 30000; cnt++) {
434 if ((RD_REG_WORD(&reg->hccr) &
435 HCCR_RISC_PAUSE) != 0)
436 break;
437 udelay(100);
438 }
439 } else {
440 RD_REG_WORD(&reg->hccr); /* PCI Posting. */
441 udelay(10);
442 }
443
444 /* Select FPM registers. */
445 WRT_REG_WORD(&reg->ctrl_status, 0x20);
446 RD_REG_WORD(&reg->ctrl_status); /* PCI Posting. */
447
448 /* FPM Soft Reset. */
449 WRT_REG_WORD(&reg->fpm_diag_config, 0x100);
450 RD_REG_WORD(&reg->fpm_diag_config); /* PCI Posting. */
451
452 /* Toggle Fpm Reset. */
453 if (!IS_QLA2200(ha)) {
454 WRT_REG_WORD(&reg->fpm_diag_config, 0x0);
455 RD_REG_WORD(&reg->fpm_diag_config); /* PCI Posting. */
456 }
457
458 /* Select frame buffer registers. */
459 WRT_REG_WORD(&reg->ctrl_status, 0x10);
460 RD_REG_WORD(&reg->ctrl_status); /* PCI Posting. */
461
462 /* Reset frame buffer FIFOs. */
463 if (IS_QLA2200(ha)) {
464 WRT_FB_CMD_REG(ha, reg, 0xa000);
465 RD_FB_CMD_REG(ha, reg); /* PCI Posting. */
466 } else {
467 WRT_FB_CMD_REG(ha, reg, 0x00fc);
468
469 /* Read back fb_cmd until zero or 3 seconds max */
470 for (cnt = 0; cnt < 3000; cnt++) {
471 if ((RD_FB_CMD_REG(ha, reg) & 0xff) == 0)
472 break;
473 udelay(100);
474 }
475 }
476
477 /* Select RISC module registers. */
478 WRT_REG_WORD(&reg->ctrl_status, 0);
479 RD_REG_WORD(&reg->ctrl_status); /* PCI Posting. */
480
481 /* Reset RISC processor. */
482 WRT_REG_WORD(&reg->hccr, HCCR_RESET_RISC);
483 RD_REG_WORD(&reg->hccr); /* PCI Posting. */
484
485 /* Release RISC processor. */
486 WRT_REG_WORD(&reg->hccr, HCCR_RELEASE_RISC);
487 RD_REG_WORD(&reg->hccr); /* PCI Posting. */
488 }
489
490 WRT_REG_WORD(&reg->hccr, HCCR_CLR_RISC_INT);
491 WRT_REG_WORD(&reg->hccr, HCCR_CLR_HOST_INT);
492
493 /* Reset ISP chip. */
494 WRT_REG_WORD(&reg->ctrl_status, CSR_ISP_SOFT_RESET);
495
496 /* Wait for RISC to recover from reset. */
497 if (IS_QLA2100(ha) || IS_QLA2200(ha) || IS_QLA2300(ha)) {
498 /*
499 * It is necessary to for a delay here since the card doesn't
500 * respond to PCI reads during a reset. On some architectures
501 * this will result in an MCA.
502 */
503 udelay(20);
504 for (cnt = 30000; cnt; cnt--) {
505 if ((RD_REG_WORD(&reg->ctrl_status) &
506 CSR_ISP_SOFT_RESET) == 0)
507 break;
508 udelay(100);
509 }
510 } else
511 udelay(10);
512
513 /* Reset RISC processor. */
514 WRT_REG_WORD(&reg->hccr, HCCR_RESET_RISC);
515
516 WRT_REG_WORD(&reg->semaphore, 0);
517
518 /* Release RISC processor. */
519 WRT_REG_WORD(&reg->hccr, HCCR_RELEASE_RISC);
520 RD_REG_WORD(&reg->hccr); /* PCI Posting. */
521
522 if (IS_QLA2100(ha) || IS_QLA2200(ha) || IS_QLA2300(ha)) {
523 for (cnt = 0; cnt < 30000; cnt++) {
524 if (!(test_bit(ABORT_ISP_ACTIVE, &ha->dpc_flags)))
525 spin_lock_irqsave(&ha->mbx_reg_lock, mbx_flags);
526
527 if (RD_MAILBOX_REG(ha, reg, 0) != MBS_BUSY) {
528 if (!(test_bit(ABORT_ISP_ACTIVE,
529 &ha->dpc_flags)))
530 spin_unlock_irqrestore(
531 &ha->mbx_reg_lock, mbx_flags);
532 break;
533 }
534
535 if (!(test_bit(ABORT_ISP_ACTIVE, &ha->dpc_flags)))
536 spin_unlock_irqrestore(&ha->mbx_reg_lock,
537 mbx_flags);
538
539 udelay(100);
540 }
541 } else
542 udelay(100);
543
544 /* Turn on master enable */
545 cmd |= PCI_COMMAND_MASTER;
546 pci_write_config_word(ha->pdev, PCI_COMMAND, cmd);
547
548 /* Disable RISC pause on FPM parity error. */
549 if (!IS_QLA2100(ha)) {
550 WRT_REG_WORD(&reg->hccr, HCCR_DISABLE_PARITY_PAUSE);
551 RD_REG_WORD(&reg->hccr); /* PCI Posting. */
552 }
553
554 spin_unlock_irqrestore(&ha->hardware_lock, flags);
555 }
556
557 /**
558 * qla24xx_reset_risc() - Perform full reset of ISP24xx RISC.
559 * @ha: HA context
560 *
561 * Returns 0 on success.
562 */
563 static inline void
564 qla24xx_reset_risc(scsi_qla_host_t *ha)
565 {
566 unsigned long flags = 0;
567 struct device_reg_24xx __iomem *reg = &ha->iobase->isp24;
568 uint32_t cnt, d2;
569 uint16_t wd;
570
571 spin_lock_irqsave(&ha->hardware_lock, flags);
572
573 /* Reset RISC. */
574 WRT_REG_DWORD(&reg->ctrl_status, CSRX_DMA_SHUTDOWN|MWB_4096_BYTES);
575 for (cnt = 0; cnt < 30000; cnt++) {
576 if ((RD_REG_DWORD(&reg->ctrl_status) & CSRX_DMA_ACTIVE) == 0)
577 break;
578
579 udelay(10);
580 }
581
582 WRT_REG_DWORD(&reg->ctrl_status,
583 CSRX_ISP_SOFT_RESET|CSRX_DMA_SHUTDOWN|MWB_4096_BYTES);
584 pci_read_config_word(ha->pdev, PCI_COMMAND, &wd);
585
586 udelay(100);
587 /* Wait for firmware to complete NVRAM accesses. */
588 d2 = (uint32_t) RD_REG_WORD(&reg->mailbox0);
589 for (cnt = 10000 ; cnt && d2; cnt--) {
590 udelay(5);
591 d2 = (uint32_t) RD_REG_WORD(&reg->mailbox0);
592 barrier();
593 }
594
595 /* Wait for soft-reset to complete. */
596 d2 = RD_REG_DWORD(&reg->ctrl_status);
597 for (cnt = 6000000 ; cnt && (d2 & CSRX_ISP_SOFT_RESET); cnt--) {
598 udelay(5);
599 d2 = RD_REG_DWORD(&reg->ctrl_status);
600 barrier();
601 }
602
603 WRT_REG_DWORD(&reg->hccr, HCCRX_SET_RISC_RESET);
604 RD_REG_DWORD(&reg->hccr);
605
606 WRT_REG_DWORD(&reg->hccr, HCCRX_REL_RISC_PAUSE);
607 RD_REG_DWORD(&reg->hccr);
608
609 WRT_REG_DWORD(&reg->hccr, HCCRX_CLR_RISC_RESET);
610 RD_REG_DWORD(&reg->hccr);
611
612 d2 = (uint32_t) RD_REG_WORD(&reg->mailbox0);
613 for (cnt = 6000000 ; cnt && d2; cnt--) {
614 udelay(5);
615 d2 = (uint32_t) RD_REG_WORD(&reg->mailbox0);
616 barrier();
617 }
618
619 spin_unlock_irqrestore(&ha->hardware_lock, flags);
620 }
621
622 /**
623 * qla24xx_reset_chip() - Reset ISP24xx chip.
624 * @ha: HA context
625 *
626 * Returns 0 on success.
627 */
628 void
629 qla24xx_reset_chip(scsi_qla_host_t *ha)
630 {
631 ha->isp_ops.disable_intrs(ha);
632
633 /* Perform RISC reset. */
634 qla24xx_reset_risc(ha);
635 }
636
637 /**
638 * qla2x00_chip_diag() - Test chip for proper operation.
639 * @ha: HA context
640 *
641 * Returns 0 on success.
642 */
643 int
644 qla2x00_chip_diag(scsi_qla_host_t *ha)
645 {
646 int rval;
647 struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
648 unsigned long flags = 0;
649 uint16_t data;
650 uint32_t cnt;
651 uint16_t mb[5];
652
653 /* Assume a failed state */
654 rval = QLA_FUNCTION_FAILED;
655
656 DEBUG3(printk("scsi(%ld): Testing device at %lx.\n",
657 ha->host_no, (u_long)&reg->flash_address));
658
659 spin_lock_irqsave(&ha->hardware_lock, flags);
660
661 /* Reset ISP chip. */
662 WRT_REG_WORD(&reg->ctrl_status, CSR_ISP_SOFT_RESET);
663
664 /*
665 * We need to have a delay here since the card will not respond while
666 * in reset causing an MCA on some architectures.
667 */
668 udelay(20);
669 data = qla2x00_debounce_register(&reg->ctrl_status);
670 for (cnt = 6000000 ; cnt && (data & CSR_ISP_SOFT_RESET); cnt--) {
671 udelay(5);
672 data = RD_REG_WORD(&reg->ctrl_status);
673 barrier();
674 }
675
676 if (!cnt)
677 goto chip_diag_failed;
678
679 DEBUG3(printk("scsi(%ld): Reset register cleared by chip reset\n",
680 ha->host_no));
681
682 /* Reset RISC processor. */
683 WRT_REG_WORD(&reg->hccr, HCCR_RESET_RISC);
684 WRT_REG_WORD(&reg->hccr, HCCR_RELEASE_RISC);
685
686 /* Workaround for QLA2312 PCI parity error */
687 if (IS_QLA2100(ha) || IS_QLA2200(ha) || IS_QLA2300(ha)) {
688 data = qla2x00_debounce_register(MAILBOX_REG(ha, reg, 0));
689 for (cnt = 6000000; cnt && (data == MBS_BUSY); cnt--) {
690 udelay(5);
691 data = RD_MAILBOX_REG(ha, reg, 0);
692 barrier();
693 }
694 } else
695 udelay(10);
696
697 if (!cnt)
698 goto chip_diag_failed;
699
700 /* Check product ID of chip */
701 DEBUG3(printk("scsi(%ld): Checking product ID of chip\n", ha->host_no));
702
703 mb[1] = RD_MAILBOX_REG(ha, reg, 1);
704 mb[2] = RD_MAILBOX_REG(ha, reg, 2);
705 mb[3] = RD_MAILBOX_REG(ha, reg, 3);
706 mb[4] = qla2x00_debounce_register(MAILBOX_REG(ha, reg, 4));
707 if (mb[1] != PROD_ID_1 || (mb[2] != PROD_ID_2 && mb[2] != PROD_ID_2a) ||
708 mb[3] != PROD_ID_3) {
709 qla_printk(KERN_WARNING, ha,
710 "Wrong product ID = 0x%x,0x%x,0x%x\n", mb[1], mb[2], mb[3]);
711
712 goto chip_diag_failed;
713 }
714 ha->product_id[0] = mb[1];
715 ha->product_id[1] = mb[2];
716 ha->product_id[2] = mb[3];
717 ha->product_id[3] = mb[4];
718
719 /* Adjust fw RISC transfer size */
720 if (ha->request_q_length > 1024)
721 ha->fw_transfer_size = REQUEST_ENTRY_SIZE * 1024;
722 else
723 ha->fw_transfer_size = REQUEST_ENTRY_SIZE *
724 ha->request_q_length;
725
726 if (IS_QLA2200(ha) &&
727 RD_MAILBOX_REG(ha, reg, 7) == QLA2200A_RISC_ROM_VER) {
728 /* Limit firmware transfer size with a 2200A */
729 DEBUG3(printk("scsi(%ld): Found QLA2200A chip.\n",
730 ha->host_no));
731
732 ha->fw_transfer_size = 128;
733 }
734
735 /* Wrap Incoming Mailboxes Test. */
736 spin_unlock_irqrestore(&ha->hardware_lock, flags);
737
738 DEBUG3(printk("scsi(%ld): Checking mailboxes.\n", ha->host_no));
739 rval = qla2x00_mbx_reg_test(ha);
740 if (rval) {
741 DEBUG(printk("scsi(%ld): Failed mailbox send register test\n",
742 ha->host_no));
743 qla_printk(KERN_WARNING, ha,
744 "Failed mailbox send register test\n");
745 }
746 else {
747 /* Flag a successful rval */
748 rval = QLA_SUCCESS;
749 }
750 spin_lock_irqsave(&ha->hardware_lock, flags);
751
752 chip_diag_failed:
753 if (rval)
754 DEBUG2_3(printk("scsi(%ld): Chip diagnostics **** FAILED "
755 "****\n", ha->host_no));
756
757 spin_unlock_irqrestore(&ha->hardware_lock, flags);
758
759 return (rval);
760 }
761
762 /**
763 * qla24xx_chip_diag() - Test ISP24xx for proper operation.
764 * @ha: HA context
765 *
766 * Returns 0 on success.
767 */
768 int
769 qla24xx_chip_diag(scsi_qla_host_t *ha)
770 {
771 int rval;
772
773 /* Perform RISC reset. */
774 qla24xx_reset_risc(ha);
775
776 ha->fw_transfer_size = REQUEST_ENTRY_SIZE * 1024;
777
778 rval = qla2x00_mbx_reg_test(ha);
779 if (rval) {
780 DEBUG(printk("scsi(%ld): Failed mailbox send register test\n",
781 ha->host_no));
782 qla_printk(KERN_WARNING, ha,
783 "Failed mailbox send register test\n");
784 } else {
785 /* Flag a successful rval */
786 rval = QLA_SUCCESS;
787 }
788
789 return rval;
790 }
791
792 static void
793 qla2x00_alloc_fw_dump(scsi_qla_host_t *ha)
794 {
795 ha->fw_dumped = 0;
796 ha->fw_dump24_len = sizeof(struct qla24xx_fw_dump);
797 ha->fw_dump24_len += (ha->fw_memory_size - 0x100000) * sizeof(uint32_t);
798 ha->fw_dump24 = vmalloc(ha->fw_dump24_len);
799 if (ha->fw_dump24)
800 qla_printk(KERN_INFO, ha, "Allocated (%d KB) for firmware "
801 "dump...\n", ha->fw_dump24_len / 1024);
802 else
803 qla_printk(KERN_WARNING, ha, "Unable to allocate (%d KB) for "
804 "firmware dump!!!\n", ha->fw_dump24_len / 1024);
805 }
806
807 /**
808 * qla2x00_resize_request_q() - Resize request queue given available ISP memory.
809 * @ha: HA context
810 *
811 * Returns 0 on success.
812 */
813 static void
814 qla2x00_resize_request_q(scsi_qla_host_t *ha)
815 {
816 int rval;
817 uint16_t fw_iocb_cnt = 0;
818 uint16_t request_q_length = REQUEST_ENTRY_CNT_2XXX_EXT_MEM;
819 dma_addr_t request_dma;
820 request_t *request_ring;
821
822 /* Valid only on recent ISPs. */
823 if (IS_QLA2100(ha) || IS_QLA2200(ha))
824 return;
825
826 if (IS_QLA24XX(ha) || IS_QLA25XX(ha))
827 qla2x00_alloc_fw_dump(ha);
828
829 /* Retrieve IOCB counts available to the firmware. */
830 rval = qla2x00_get_resource_cnts(ha, NULL, NULL, NULL, &fw_iocb_cnt);
831 if (rval)
832 return;
833 /* No point in continuing if current settings are sufficient. */
834 if (fw_iocb_cnt < 1024)
835 return;
836 if (ha->request_q_length >= request_q_length)
837 return;
838
839 /* Attempt to claim larger area for request queue. */
840 request_ring = dma_alloc_coherent(&ha->pdev->dev,
841 (request_q_length + 1) * sizeof(request_t), &request_dma,
842 GFP_KERNEL);
843 if (request_ring == NULL)
844 return;
845
846 /* Resize successful, report extensions. */
847 qla_printk(KERN_INFO, ha, "Extended memory detected (%d KB)...\n",
848 (ha->fw_memory_size + 1) / 1024);
849 qla_printk(KERN_INFO, ha, "Resizing request queue depth "
850 "(%d -> %d)...\n", ha->request_q_length, request_q_length);
851
852 /* Clear old allocations. */
853 dma_free_coherent(&ha->pdev->dev,
854 (ha->request_q_length + 1) * sizeof(request_t), ha->request_ring,
855 ha->request_dma);
856
857 /* Begin using larger queue. */
858 ha->request_q_length = request_q_length;
859 ha->request_ring = request_ring;
860 ha->request_dma = request_dma;
861 }
862
863 /**
864 * qla2x00_setup_chip() - Load and start RISC firmware.
865 * @ha: HA context
866 *
867 * Returns 0 on success.
868 */
869 static int
870 qla2x00_setup_chip(scsi_qla_host_t *ha)
871 {
872 int rval;
873 uint32_t srisc_address = 0;
874
875 /* Load firmware sequences */
876 rval = ha->isp_ops.load_risc(ha, &srisc_address);
877 if (rval == QLA_SUCCESS) {
878 DEBUG(printk("scsi(%ld): Verifying Checksum of loaded RISC "
879 "code.\n", ha->host_no));
880
881 rval = qla2x00_verify_checksum(ha, srisc_address);
882 if (rval == QLA_SUCCESS) {
883 /* Start firmware execution. */
884 DEBUG(printk("scsi(%ld): Checksum OK, start "
885 "firmware.\n", ha->host_no));
886
887 rval = qla2x00_execute_fw(ha, srisc_address);
888 /* Retrieve firmware information. */
889 if (rval == QLA_SUCCESS && ha->fw_major_version == 0) {
890 qla2x00_get_fw_version(ha,
891 &ha->fw_major_version,
892 &ha->fw_minor_version,
893 &ha->fw_subminor_version,
894 &ha->fw_attributes, &ha->fw_memory_size);
895 qla2x00_resize_request_q(ha);
896 }
897 } else {
898 DEBUG2(printk(KERN_INFO
899 "scsi(%ld): ISP Firmware failed checksum.\n",
900 ha->host_no));
901 }
902 }
903
904 if (rval) {
905 DEBUG2_3(printk("scsi(%ld): Setup chip **** FAILED ****.\n",
906 ha->host_no));
907 }
908
909 return (rval);
910 }
911
912 /**
913 * qla2x00_init_response_q_entries() - Initializes response queue entries.
914 * @ha: HA context
915 *
916 * Beginning of request ring has initialization control block already built
917 * by nvram config routine.
918 *
919 * Returns 0 on success.
920 */
921 static void
922 qla2x00_init_response_q_entries(scsi_qla_host_t *ha)
923 {
924 uint16_t cnt;
925 response_t *pkt;
926
927 pkt = ha->response_ring_ptr;
928 for (cnt = 0; cnt < ha->response_q_length; cnt++) {
929 pkt->signature = RESPONSE_PROCESSED;
930 pkt++;
931 }
932
933 }
934
935 /**
936 * qla2x00_update_fw_options() - Read and process firmware options.
937 * @ha: HA context
938 *
939 * Returns 0 on success.
940 */
941 void
942 qla2x00_update_fw_options(scsi_qla_host_t *ha)
943 {
944 uint16_t swing, emphasis, tx_sens, rx_sens;
945
946 memset(ha->fw_options, 0, sizeof(ha->fw_options));
947 qla2x00_get_fw_options(ha, ha->fw_options);
948
949 if (IS_QLA2100(ha) || IS_QLA2200(ha))
950 return;
951
952 /* Serial Link options. */
953 DEBUG3(printk("scsi(%ld): Serial link options:\n",
954 ha->host_no));
955 DEBUG3(qla2x00_dump_buffer((uint8_t *)&ha->fw_seriallink_options,
956 sizeof(ha->fw_seriallink_options)));
957
958 ha->fw_options[1] &= ~FO1_SET_EMPHASIS_SWING;
959 if (ha->fw_seriallink_options[3] & BIT_2) {
960 ha->fw_options[1] |= FO1_SET_EMPHASIS_SWING;
961
962 /* 1G settings */
963 swing = ha->fw_seriallink_options[2] & (BIT_2 | BIT_1 | BIT_0);
964 emphasis = (ha->fw_seriallink_options[2] &
965 (BIT_4 | BIT_3)) >> 3;
966 tx_sens = ha->fw_seriallink_options[0] &
967 (BIT_3 | BIT_2 | BIT_1 | BIT_0);
968 rx_sens = (ha->fw_seriallink_options[0] &
969 (BIT_7 | BIT_6 | BIT_5 | BIT_4)) >> 4;
970 ha->fw_options[10] = (emphasis << 14) | (swing << 8);
971 if (IS_QLA2300(ha) || IS_QLA2312(ha) || IS_QLA6312(ha)) {
972 if (rx_sens == 0x0)
973 rx_sens = 0x3;
974 ha->fw_options[10] |= (tx_sens << 4) | rx_sens;
975 } else if (IS_QLA2322(ha) || IS_QLA6322(ha))
976 ha->fw_options[10] |= BIT_5 |
977 ((rx_sens & (BIT_1 | BIT_0)) << 2) |
978 (tx_sens & (BIT_1 | BIT_0));
979
980 /* 2G settings */
981 swing = (ha->fw_seriallink_options[2] &
982 (BIT_7 | BIT_6 | BIT_5)) >> 5;
983 emphasis = ha->fw_seriallink_options[3] & (BIT_1 | BIT_0);
984 tx_sens = ha->fw_seriallink_options[1] &
985 (BIT_3 | BIT_2 | BIT_1 | BIT_0);
986 rx_sens = (ha->fw_seriallink_options[1] &
987 (BIT_7 | BIT_6 | BIT_5 | BIT_4)) >> 4;
988 ha->fw_options[11] = (emphasis << 14) | (swing << 8);
989 if (IS_QLA2300(ha) || IS_QLA2312(ha) || IS_QLA6312(ha)) {
990 if (rx_sens == 0x0)
991 rx_sens = 0x3;
992 ha->fw_options[11] |= (tx_sens << 4) | rx_sens;
993 } else if (IS_QLA2322(ha) || IS_QLA6322(ha))
994 ha->fw_options[11] |= BIT_5 |
995 ((rx_sens & (BIT_1 | BIT_0)) << 2) |
996 (tx_sens & (BIT_1 | BIT_0));
997 }
998
999 /* FCP2 options. */
1000 /* Return command IOCBs without waiting for an ABTS to complete. */
1001 ha->fw_options[3] |= BIT_13;
1002
1003 /* LED scheme. */
1004 if (ha->flags.enable_led_scheme)
1005 ha->fw_options[2] |= BIT_12;
1006
1007 /* Update firmware options. */
1008 qla2x00_set_fw_options(ha, ha->fw_options);
1009 }
1010
1011 void
1012 qla24xx_update_fw_options(scsi_qla_host_t *ha)
1013 {
1014 int rval;
1015
1016 /* Update Serial Link options. */
1017 if ((ha->fw_seriallink_options24[0] & BIT_0) == 0)
1018 return;
1019
1020 rval = qla2x00_set_serdes_params(ha, ha->fw_seriallink_options24[1],
1021 ha->fw_seriallink_options24[2], ha->fw_seriallink_options24[3]);
1022 if (rval != QLA_SUCCESS) {
1023 qla_printk(KERN_WARNING, ha,
1024 "Unable to update Serial Link options (%x).\n", rval);
1025 }
1026 }
1027
1028 void
1029 qla2x00_config_rings(struct scsi_qla_host *ha)
1030 {
1031 struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
1032
1033 /* Setup ring parameters in initialization control block. */
1034 ha->init_cb->request_q_outpointer = __constant_cpu_to_le16(0);
1035 ha->init_cb->response_q_inpointer = __constant_cpu_to_le16(0);
1036 ha->init_cb->request_q_length = cpu_to_le16(ha->request_q_length);
1037 ha->init_cb->response_q_length = cpu_to_le16(ha->response_q_length);
1038 ha->init_cb->request_q_address[0] = cpu_to_le32(LSD(ha->request_dma));
1039 ha->init_cb->request_q_address[1] = cpu_to_le32(MSD(ha->request_dma));
1040 ha->init_cb->response_q_address[0] = cpu_to_le32(LSD(ha->response_dma));
1041 ha->init_cb->response_q_address[1] = cpu_to_le32(MSD(ha->response_dma));
1042
1043 WRT_REG_WORD(ISP_REQ_Q_IN(ha, reg), 0);
1044 WRT_REG_WORD(ISP_REQ_Q_OUT(ha, reg), 0);
1045 WRT_REG_WORD(ISP_RSP_Q_IN(ha, reg), 0);
1046 WRT_REG_WORD(ISP_RSP_Q_OUT(ha, reg), 0);
1047 RD_REG_WORD(ISP_RSP_Q_OUT(ha, reg)); /* PCI Posting. */
1048 }
1049
1050 void
1051 qla24xx_config_rings(struct scsi_qla_host *ha)
1052 {
1053 struct device_reg_24xx __iomem *reg = &ha->iobase->isp24;
1054 struct init_cb_24xx *icb;
1055
1056 /* Setup ring parameters in initialization control block. */
1057 icb = (struct init_cb_24xx *)ha->init_cb;
1058 icb->request_q_outpointer = __constant_cpu_to_le16(0);
1059 icb->response_q_inpointer = __constant_cpu_to_le16(0);
1060 icb->request_q_length = cpu_to_le16(ha->request_q_length);
1061 icb->response_q_length = cpu_to_le16(ha->response_q_length);
1062 icb->request_q_address[0] = cpu_to_le32(LSD(ha->request_dma));
1063 icb->request_q_address[1] = cpu_to_le32(MSD(ha->request_dma));
1064 icb->response_q_address[0] = cpu_to_le32(LSD(ha->response_dma));
1065 icb->response_q_address[1] = cpu_to_le32(MSD(ha->response_dma));
1066
1067 WRT_REG_DWORD(&reg->req_q_in, 0);
1068 WRT_REG_DWORD(&reg->req_q_out, 0);
1069 WRT_REG_DWORD(&reg->rsp_q_in, 0);
1070 WRT_REG_DWORD(&reg->rsp_q_out, 0);
1071 RD_REG_DWORD(&reg->rsp_q_out);
1072 }
1073
1074 /**
1075 * qla2x00_init_rings() - Initializes firmware.
1076 * @ha: HA context
1077 *
1078 * Beginning of request ring has initialization control block already built
1079 * by nvram config routine.
1080 *
1081 * Returns 0 on success.
1082 */
1083 static int
1084 qla2x00_init_rings(scsi_qla_host_t *ha)
1085 {
1086 int rval;
1087 unsigned long flags = 0;
1088 int cnt;
1089
1090 spin_lock_irqsave(&ha->hardware_lock, flags);
1091
1092 /* Clear outstanding commands array. */
1093 for (cnt = 0; cnt < MAX_OUTSTANDING_COMMANDS; cnt++)
1094 ha->outstanding_cmds[cnt] = NULL;
1095
1096 ha->current_outstanding_cmd = 0;
1097
1098 /* Clear RSCN queue. */
1099 ha->rscn_in_ptr = 0;
1100 ha->rscn_out_ptr = 0;
1101
1102 /* Initialize firmware. */
1103 ha->request_ring_ptr = ha->request_ring;
1104 ha->req_ring_index = 0;
1105 ha->req_q_cnt = ha->request_q_length;
1106 ha->response_ring_ptr = ha->response_ring;
1107 ha->rsp_ring_index = 0;
1108
1109 /* Initialize response queue entries */
1110 qla2x00_init_response_q_entries(ha);
1111
1112 ha->isp_ops.config_rings(ha);
1113
1114 spin_unlock_irqrestore(&ha->hardware_lock, flags);
1115
1116 /* Update any ISP specific firmware options before initialization. */
1117 ha->isp_ops.update_fw_options(ha);
1118
1119 DEBUG(printk("scsi(%ld): Issue init firmware.\n", ha->host_no));
1120 rval = qla2x00_init_firmware(ha, ha->init_cb_size);
1121 if (rval) {
1122 DEBUG2_3(printk("scsi(%ld): Init firmware **** FAILED ****.\n",
1123 ha->host_no));
1124 } else {
1125 DEBUG3(printk("scsi(%ld): Init firmware -- success.\n",
1126 ha->host_no));
1127 }
1128
1129 return (rval);
1130 }
1131
1132 /**
1133 * qla2x00_fw_ready() - Waits for firmware ready.
1134 * @ha: HA context
1135 *
1136 * Returns 0 on success.
1137 */
1138 static int
1139 qla2x00_fw_ready(scsi_qla_host_t *ha)
1140 {
1141 int rval;
1142 unsigned long wtime, mtime;
1143 uint16_t min_wait; /* Minimum wait time if loop is down */
1144 uint16_t wait_time; /* Wait time if loop is coming ready */
1145 uint16_t fw_state;
1146
1147 rval = QLA_SUCCESS;
1148
1149 /* 20 seconds for loop down. */
1150 min_wait = 20;
1151
1152 /*
1153 * Firmware should take at most one RATOV to login, plus 5 seconds for
1154 * our own processing.
1155 */
1156 if ((wait_time = (ha->retry_count*ha->login_timeout) + 5) < min_wait) {
1157 wait_time = min_wait;
1158 }
1159
1160 /* Min wait time if loop down */
1161 mtime = jiffies + (min_wait * HZ);
1162
1163 /* wait time before firmware ready */
1164 wtime = jiffies + (wait_time * HZ);
1165
1166 /* Wait for ISP to finish LIP */
1167 if (!ha->flags.init_done)
1168 qla_printk(KERN_INFO, ha, "Waiting for LIP to complete...\n");
1169
1170 DEBUG3(printk("scsi(%ld): Waiting for LIP to complete...\n",
1171 ha->host_no));
1172
1173 do {
1174 rval = qla2x00_get_firmware_state(ha, &fw_state);
1175 if (rval == QLA_SUCCESS) {
1176 if (fw_state < FSTATE_LOSS_OF_SYNC) {
1177 ha->device_flags &= ~DFLG_NO_CABLE;
1178 }
1179 if (fw_state == FSTATE_READY) {
1180 DEBUG(printk("scsi(%ld): F/W Ready - OK \n",
1181 ha->host_no));
1182
1183 qla2x00_get_retry_cnt(ha, &ha->retry_count,
1184 &ha->login_timeout, &ha->r_a_tov);
1185
1186 rval = QLA_SUCCESS;
1187 break;
1188 }
1189
1190 rval = QLA_FUNCTION_FAILED;
1191
1192 if (atomic_read(&ha->loop_down_timer) &&
1193 (fw_state >= FSTATE_LOSS_OF_SYNC ||
1194 fw_state == FSTATE_WAIT_AL_PA)) {
1195 /* Loop down. Timeout on min_wait for states
1196 * other than Wait for Login.
1197 */
1198 if (time_after_eq(jiffies, mtime)) {
1199 qla_printk(KERN_INFO, ha,
1200 "Cable is unplugged...\n");
1201
1202 ha->device_flags |= DFLG_NO_CABLE;
1203 break;
1204 }
1205 }
1206 } else {
1207 /* Mailbox cmd failed. Timeout on min_wait. */
1208 if (time_after_eq(jiffies, mtime))
1209 break;
1210 }
1211
1212 if (time_after_eq(jiffies, wtime))
1213 break;
1214
1215 /* Delay for a while */
1216 msleep(500);
1217
1218 DEBUG3(printk("scsi(%ld): fw_state=%x curr time=%lx.\n",
1219 ha->host_no, fw_state, jiffies));
1220 } while (1);
1221
1222 DEBUG(printk("scsi(%ld): fw_state=%x curr time=%lx.\n",
1223 ha->host_no, fw_state, jiffies));
1224
1225 if (rval) {
1226 DEBUG2_3(printk("scsi(%ld): Firmware ready **** FAILED ****.\n",
1227 ha->host_no));
1228 }
1229
1230 return (rval);
1231 }
1232
1233 /*
1234 * qla2x00_configure_hba
1235 * Setup adapter context.
1236 *
1237 * Input:
1238 * ha = adapter state pointer.
1239 *
1240 * Returns:
1241 * 0 = success
1242 *
1243 * Context:
1244 * Kernel context.
1245 */
1246 static int
1247 qla2x00_configure_hba(scsi_qla_host_t *ha)
1248 {
1249 int rval;
1250 uint16_t loop_id;
1251 uint16_t topo;
1252 uint8_t al_pa;
1253 uint8_t area;
1254 uint8_t domain;
1255 char connect_type[22];
1256
1257 /* Get host addresses. */
1258 rval = qla2x00_get_adapter_id(ha,
1259 &loop_id, &al_pa, &area, &domain, &topo);
1260 if (rval != QLA_SUCCESS) {
1261 if (LOOP_TRANSITION(ha) || atomic_read(&ha->loop_down_timer) ||
1262 (rval == QLA_COMMAND_ERROR && loop_id == 0x7)) {
1263 DEBUG2(printk("%s(%ld) Loop is in a transition state\n",
1264 __func__, ha->host_no));
1265 } else {
1266 qla_printk(KERN_WARNING, ha,
1267 "ERROR -- Unable to get host loop ID.\n");
1268 set_bit(ISP_ABORT_NEEDED, &ha->dpc_flags);
1269 }
1270 return (rval);
1271 }
1272
1273 if (topo == 4) {
1274 qla_printk(KERN_INFO, ha,
1275 "Cannot get topology - retrying.\n");
1276 return (QLA_FUNCTION_FAILED);
1277 }
1278
1279 ha->loop_id = loop_id;
1280
1281 /* initialize */
1282 ha->min_external_loopid = SNS_FIRST_LOOP_ID;
1283 ha->operating_mode = LOOP;
1284
1285 switch (topo) {
1286 case 0:
1287 DEBUG3(printk("scsi(%ld): HBA in NL topology.\n",
1288 ha->host_no));
1289 ha->current_topology = ISP_CFG_NL;
1290 strcpy(connect_type, "(Loop)");
1291 break;
1292
1293 case 1:
1294 DEBUG3(printk("scsi(%ld): HBA in FL topology.\n",
1295 ha->host_no));
1296 ha->current_topology = ISP_CFG_FL;
1297 strcpy(connect_type, "(FL_Port)");
1298 break;
1299
1300 case 2:
1301 DEBUG3(printk("scsi(%ld): HBA in N P2P topology.\n",
1302 ha->host_no));
1303 ha->operating_mode = P2P;
1304 ha->current_topology = ISP_CFG_N;
1305 strcpy(connect_type, "(N_Port-to-N_Port)");
1306 break;
1307
1308 case 3:
1309 DEBUG3(printk("scsi(%ld): HBA in F P2P topology.\n",
1310 ha->host_no));
1311 ha->operating_mode = P2P;
1312 ha->current_topology = ISP_CFG_F;
1313 strcpy(connect_type, "(F_Port)");
1314 break;
1315
1316 default:
1317 DEBUG3(printk("scsi(%ld): HBA in unknown topology %x. "
1318 "Using NL.\n",
1319 ha->host_no, topo));
1320 ha->current_topology = ISP_CFG_NL;
1321 strcpy(connect_type, "(Loop)");
1322 break;
1323 }
1324
1325 /* Save Host port and loop ID. */
1326 /* byte order - Big Endian */
1327 ha->d_id.b.domain = domain;
1328 ha->d_id.b.area = area;
1329 ha->d_id.b.al_pa = al_pa;
1330
1331 if (!ha->flags.init_done)
1332 qla_printk(KERN_INFO, ha,
1333 "Topology - %s, Host Loop address 0x%x\n",
1334 connect_type, ha->loop_id);
1335
1336 if (rval) {
1337 DEBUG2_3(printk("scsi(%ld): FAILED.\n", ha->host_no));
1338 } else {
1339 DEBUG3(printk("scsi(%ld): exiting normally.\n", ha->host_no));
1340 }
1341
1342 return(rval);
1343 }
1344
1345 /*
1346 * NVRAM configuration for ISP 2xxx
1347 *
1348 * Input:
1349 * ha = adapter block pointer.
1350 *
1351 * Output:
1352 * initialization control block in response_ring
1353 * host adapters parameters in host adapter block
1354 *
1355 * Returns:
1356 * 0 = success.
1357 */
1358 int
1359 qla2x00_nvram_config(scsi_qla_host_t *ha)
1360 {
1361 int rval;
1362 uint8_t chksum = 0;
1363 uint16_t cnt;
1364 uint8_t *dptr1, *dptr2;
1365 init_cb_t *icb = ha->init_cb;
1366 nvram_t *nv = (nvram_t *)ha->request_ring;
1367 uint8_t *ptr = (uint8_t *)ha->request_ring;
1368 struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
1369
1370 rval = QLA_SUCCESS;
1371
1372 /* Determine NVRAM starting address. */
1373 ha->nvram_size = sizeof(nvram_t);
1374 ha->nvram_base = 0;
1375 if (!IS_QLA2100(ha) && !IS_QLA2200(ha) && !IS_QLA2300(ha))
1376 if ((RD_REG_WORD(&reg->ctrl_status) >> 14) == 1)
1377 ha->nvram_base = 0x80;
1378
1379 /* Get NVRAM data and calculate checksum. */
1380 ha->isp_ops.read_nvram(ha, ptr, ha->nvram_base, ha->nvram_size);
1381 for (cnt = 0, chksum = 0; cnt < ha->nvram_size; cnt++)
1382 chksum += *ptr++;
1383
1384 DEBUG5(printk("scsi(%ld): Contents of NVRAM\n", ha->host_no));
1385 DEBUG5(qla2x00_dump_buffer((uint8_t *)ha->request_ring,
1386 ha->nvram_size));
1387
1388 /* Bad NVRAM data, set defaults parameters. */
1389 if (chksum || nv->id[0] != 'I' || nv->id[1] != 'S' ||
1390 nv->id[2] != 'P' || nv->id[3] != ' ' || nv->nvram_version < 1) {
1391 /* Reset NVRAM data. */
1392 qla_printk(KERN_WARNING, ha, "Inconsistent NVRAM detected: "
1393 "checksum=0x%x id=%c version=0x%x.\n", chksum, nv->id[0],
1394 nv->nvram_version);
1395 qla_printk(KERN_WARNING, ha, "Falling back to functioning (yet "
1396 "invalid -- WWPN) defaults.\n");
1397
1398 /*
1399 * Set default initialization control block.
1400 */
1401 memset(nv, 0, ha->nvram_size);
1402 nv->parameter_block_version = ICB_VERSION;
1403
1404 if (IS_QLA23XX(ha)) {
1405 nv->firmware_options[0] = BIT_2 | BIT_1;
1406 nv->firmware_options[1] = BIT_7 | BIT_5;
1407 nv->add_firmware_options[0] = BIT_5;
1408 nv->add_firmware_options[1] = BIT_5 | BIT_4;
1409 nv->frame_payload_size = __constant_cpu_to_le16(2048);
1410 nv->special_options[1] = BIT_7;
1411 } else if (IS_QLA2200(ha)) {
1412 nv->firmware_options[0] = BIT_2 | BIT_1;
1413 nv->firmware_options[1] = BIT_7 | BIT_5;
1414 nv->add_firmware_options[0] = BIT_5;
1415 nv->add_firmware_options[1] = BIT_5 | BIT_4;
1416 nv->frame_payload_size = __constant_cpu_to_le16(1024);
1417 } else if (IS_QLA2100(ha)) {
1418 nv->firmware_options[0] = BIT_3 | BIT_1;
1419 nv->firmware_options[1] = BIT_5;
1420 nv->frame_payload_size = __constant_cpu_to_le16(1024);
1421 }
1422
1423 nv->max_iocb_allocation = __constant_cpu_to_le16(256);
1424 nv->execution_throttle = __constant_cpu_to_le16(16);
1425 nv->retry_count = 8;
1426 nv->retry_delay = 1;
1427
1428 nv->port_name[0] = 33;
1429 nv->port_name[3] = 224;
1430 nv->port_name[4] = 139;
1431
1432 nv->login_timeout = 4;
1433
1434 /*
1435 * Set default host adapter parameters
1436 */
1437 nv->host_p[1] = BIT_2;
1438 nv->reset_delay = 5;
1439 nv->port_down_retry_count = 8;
1440 nv->max_luns_per_target = __constant_cpu_to_le16(8);
1441 nv->link_down_timeout = 60;
1442
1443 rval = 1;
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 if (rval == 0 &&
1484 memcmp(nv->model_number, BINZERO,
1485 sizeof(nv->model_number)) != 0) {
1486 char *st, *en;
1487
1488 strncpy(ha->model_number, nv->model_number,
1489 sizeof(nv->model_number));
1490 st = en = ha->model_number;
1491 en += sizeof(nv->model_number) - 1;
1492 while (en > st) {
1493 if (*en != 0x20 && *en != 0x00)
1494 break;
1495 *en-- = '\0';
1496 }
1497 } else {
1498 uint16_t index;
1499
1500 index = (ha->pdev->subsystem_device & 0xff);
1501 if (index < QLA_MODEL_NAMES) {
1502 strcpy(ha->model_number,
1503 qla2x00_model_name[index]);
1504 ha->model_desc =
1505 qla2x00_model_desc[index];
1506 } else {
1507 strcpy(ha->model_number, "QLA23xx");
1508 }
1509 }
1510 }
1511 } else if (IS_QLA2200(ha)) {
1512 nv->firmware_options[0] |= BIT_2;
1513 /*
1514 * 'Point-to-point preferred, else loop' is not a safe
1515 * connection mode setting.
1516 */
1517 if ((nv->add_firmware_options[0] & (BIT_6 | BIT_5 | BIT_4)) ==
1518 (BIT_5 | BIT_4)) {
1519 /* Force 'loop preferred, else point-to-point'. */
1520 nv->add_firmware_options[0] &= ~(BIT_6 | BIT_5 | BIT_4);
1521 nv->add_firmware_options[0] |= BIT_5;
1522 }
1523 strcpy(ha->model_number, "QLA22xx");
1524 } else /*if (IS_QLA2100(ha))*/ {
1525 strcpy(ha->model_number, "QLA2100");
1526 }
1527
1528 /*
1529 * Copy over NVRAM RISC parameter block to initialization control block.
1530 */
1531 dptr1 = (uint8_t *)icb;
1532 dptr2 = (uint8_t *)&nv->parameter_block_version;
1533 cnt = (uint8_t *)&icb->request_q_outpointer - (uint8_t *)&icb->version;
1534 while (cnt--)
1535 *dptr1++ = *dptr2++;
1536
1537 /* Copy 2nd half. */
1538 dptr1 = (uint8_t *)icb->add_firmware_options;
1539 cnt = (uint8_t *)icb->reserved_3 - (uint8_t *)icb->add_firmware_options;
1540 while (cnt--)
1541 *dptr1++ = *dptr2++;
1542
1543 /* Prepare nodename */
1544 if ((icb->firmware_options[1] & BIT_6) == 0) {
1545 /*
1546 * Firmware will apply the following mask if the nodename was
1547 * not provided.
1548 */
1549 memcpy(icb->node_name, icb->port_name, WWN_SIZE);
1550 icb->node_name[0] &= 0xF0;
1551 }
1552
1553 /*
1554 * Set host adapter parameters.
1555 */
1556 ha->flags.disable_risc_code_load = ((nv->host_p[0] & BIT_4) ? 1 : 0);
1557 /* Always load RISC code on non ISP2[12]00 chips. */
1558 if (!IS_QLA2100(ha) && !IS_QLA2200(ha))
1559 ha->flags.disable_risc_code_load = 0;
1560 ha->flags.enable_lip_reset = ((nv->host_p[1] & BIT_1) ? 1 : 0);
1561 ha->flags.enable_lip_full_login = ((nv->host_p[1] & BIT_2) ? 1 : 0);
1562 ha->flags.enable_target_reset = ((nv->host_p[1] & BIT_3) ? 1 : 0);
1563 ha->flags.enable_led_scheme = (nv->special_options[1] & BIT_4) ? 1 : 0;
1564
1565 ha->operating_mode =
1566 (icb->add_firmware_options[0] & (BIT_6 | BIT_5 | BIT_4)) >> 4;
1567
1568 memcpy(ha->fw_seriallink_options, nv->seriallink_options,
1569 sizeof(ha->fw_seriallink_options));
1570
1571 /* save HBA serial number */
1572 ha->serial0 = icb->port_name[5];
1573 ha->serial1 = icb->port_name[6];
1574 ha->serial2 = icb->port_name[7];
1575 ha->node_name = icb->node_name;
1576 ha->port_name = icb->port_name;
1577
1578 icb->execution_throttle = __constant_cpu_to_le16(0xFFFF);
1579
1580 ha->retry_count = nv->retry_count;
1581
1582 /* Set minimum login_timeout to 4 seconds. */
1583 if (nv->login_timeout < ql2xlogintimeout)
1584 nv->login_timeout = ql2xlogintimeout;
1585 if (nv->login_timeout < 4)
1586 nv->login_timeout = 4;
1587 ha->login_timeout = nv->login_timeout;
1588 icb->login_timeout = nv->login_timeout;
1589
1590 /* Set minimum RATOV to 200 tenths of a second. */
1591 ha->r_a_tov = 200;
1592
1593 ha->loop_reset_delay = nv->reset_delay;
1594
1595 /* Link Down Timeout = 0:
1596 *
1597 * When Port Down timer expires we will start returning
1598 * I/O's to OS with "DID_NO_CONNECT".
1599 *
1600 * Link Down Timeout != 0:
1601 *
1602 * The driver waits for the link to come up after link down
1603 * before returning I/Os to OS with "DID_NO_CONNECT".
1604 */
1605 if (nv->link_down_timeout == 0) {
1606 ha->loop_down_abort_time =
1607 (LOOP_DOWN_TIME - LOOP_DOWN_TIMEOUT);
1608 } else {
1609 ha->link_down_timeout = nv->link_down_timeout;
1610 ha->loop_down_abort_time =
1611 (LOOP_DOWN_TIME - ha->link_down_timeout);
1612 }
1613
1614 /*
1615 * Need enough time to try and get the port back.
1616 */
1617 ha->port_down_retry_count = nv->port_down_retry_count;
1618 if (qlport_down_retry)
1619 ha->port_down_retry_count = qlport_down_retry;
1620 /* Set login_retry_count */
1621 ha->login_retry_count = nv->retry_count;
1622 if (ha->port_down_retry_count == nv->port_down_retry_count &&
1623 ha->port_down_retry_count > 3)
1624 ha->login_retry_count = ha->port_down_retry_count;
1625 else if (ha->port_down_retry_count > (int)ha->login_retry_count)
1626 ha->login_retry_count = ha->port_down_retry_count;
1627 if (ql2xloginretrycount)
1628 ha->login_retry_count = ql2xloginretrycount;
1629
1630 icb->lun_enables = __constant_cpu_to_le16(0);
1631 icb->command_resource_count = 0;
1632 icb->immediate_notify_resource_count = 0;
1633 icb->timeout = __constant_cpu_to_le16(0);
1634
1635 if (IS_QLA2100(ha) || IS_QLA2200(ha)) {
1636 /* Enable RIO */
1637 icb->firmware_options[0] &= ~BIT_3;
1638 icb->add_firmware_options[0] &=
1639 ~(BIT_3 | BIT_2 | BIT_1 | BIT_0);
1640 icb->add_firmware_options[0] |= BIT_2;
1641 icb->response_accumulation_timer = 3;
1642 icb->interrupt_delay_timer = 5;
1643
1644 ha->flags.process_response_queue = 1;
1645 } else {
1646 /* Enable ZIO. */
1647 if (!ha->flags.init_done) {
1648 ha->zio_mode = icb->add_firmware_options[0] &
1649 (BIT_3 | BIT_2 | BIT_1 | BIT_0);
1650 ha->zio_timer = icb->interrupt_delay_timer ?
1651 icb->interrupt_delay_timer: 2;
1652 }
1653 icb->add_firmware_options[0] &=
1654 ~(BIT_3 | BIT_2 | BIT_1 | BIT_0);
1655 ha->flags.process_response_queue = 0;
1656 if (ha->zio_mode != QLA_ZIO_DISABLED) {
1657 DEBUG2(printk("scsi(%ld): ZIO mode %d enabled; timer "
1658 "delay (%d us).\n", ha->host_no, ha->zio_mode,
1659 ha->zio_timer * 100));
1660 qla_printk(KERN_INFO, ha,
1661 "ZIO mode %d enabled; timer delay (%d us).\n",
1662 ha->zio_mode, ha->zio_timer * 100);
1663
1664 icb->add_firmware_options[0] |= (uint8_t)ha->zio_mode;
1665 icb->interrupt_delay_timer = (uint8_t)ha->zio_timer;
1666 ha->flags.process_response_queue = 1;
1667 }
1668 }
1669
1670 if (rval) {
1671 DEBUG2_3(printk(KERN_WARNING
1672 "scsi(%ld): NVRAM configuration failed!\n", ha->host_no));
1673 }
1674 return (rval);
1675 }
1676
1677 static void
1678 qla2x00_rport_add(void *data)
1679 {
1680 fc_port_t *fcport = data;
1681
1682 qla2x00_reg_remote_port(fcport->ha, fcport);
1683 }
1684
1685 static void
1686 qla2x00_rport_del(void *data)
1687 {
1688 fc_port_t *fcport = data;
1689
1690 if (fcport->rport)
1691 fc_remote_port_delete(fcport->rport);
1692 fcport->rport = NULL;
1693 }
1694
1695 /**
1696 * qla2x00_alloc_fcport() - Allocate a generic fcport.
1697 * @ha: HA context
1698 * @flags: allocation flags
1699 *
1700 * Returns a pointer to the allocated fcport, or NULL, if none available.
1701 */
1702 fc_port_t *
1703 qla2x00_alloc_fcport(scsi_qla_host_t *ha, gfp_t flags)
1704 {
1705 fc_port_t *fcport;
1706
1707 fcport = kmalloc(sizeof(fc_port_t), flags);
1708 if (fcport == NULL)
1709 return (fcport);
1710
1711 /* Setup fcport template structure. */
1712 memset(fcport, 0, sizeof (fc_port_t));
1713 fcport->ha = ha;
1714 fcport->port_type = FCT_UNKNOWN;
1715 fcport->loop_id = FC_NO_LOOP_ID;
1716 fcport->iodesc_idx_sent = IODESC_INVALID_INDEX;
1717 atomic_set(&fcport->state, FCS_UNCONFIGURED);
1718 fcport->flags = FCF_RLC_SUPPORT;
1719 fcport->supported_classes = FC_COS_UNSPECIFIED;
1720 INIT_WORK(&fcport->rport_add_work, qla2x00_rport_add, fcport);
1721 INIT_WORK(&fcport->rport_del_work, qla2x00_rport_del, fcport);
1722
1723 return (fcport);
1724 }
1725
1726 /*
1727 * qla2x00_configure_loop
1728 * Updates Fibre Channel Device Database with what is actually on loop.
1729 *
1730 * Input:
1731 * ha = adapter block pointer.
1732 *
1733 * Returns:
1734 * 0 = success.
1735 * 1 = error.
1736 * 2 = database was full and device was not configured.
1737 */
1738 static int
1739 qla2x00_configure_loop(scsi_qla_host_t *ha)
1740 {
1741 int rval;
1742 unsigned long flags, save_flags;
1743
1744 rval = QLA_SUCCESS;
1745
1746 /* Get Initiator ID */
1747 if (test_bit(LOCAL_LOOP_UPDATE, &ha->dpc_flags)) {
1748 rval = qla2x00_configure_hba(ha);
1749 if (rval != QLA_SUCCESS) {
1750 DEBUG(printk("scsi(%ld): Unable to configure HBA.\n",
1751 ha->host_no));
1752 return (rval);
1753 }
1754 }
1755
1756 save_flags = flags = ha->dpc_flags;
1757 DEBUG(printk("scsi(%ld): Configure loop -- dpc flags =0x%lx\n",
1758 ha->host_no, flags));
1759
1760 /*
1761 * If we have both an RSCN and PORT UPDATE pending then handle them
1762 * both at the same time.
1763 */
1764 clear_bit(LOCAL_LOOP_UPDATE, &ha->dpc_flags);
1765 clear_bit(RSCN_UPDATE, &ha->dpc_flags);
1766
1767 /* Determine what we need to do */
1768 if (ha->current_topology == ISP_CFG_FL &&
1769 (test_bit(LOCAL_LOOP_UPDATE, &flags))) {
1770
1771 ha->flags.rscn_queue_overflow = 1;
1772 set_bit(RSCN_UPDATE, &flags);
1773
1774 } else if (ha->current_topology == ISP_CFG_F &&
1775 (test_bit(LOCAL_LOOP_UPDATE, &flags))) {
1776
1777 ha->flags.rscn_queue_overflow = 1;
1778 set_bit(RSCN_UPDATE, &flags);
1779 clear_bit(LOCAL_LOOP_UPDATE, &flags);
1780
1781 } else if (!ha->flags.online ||
1782 (test_bit(ABORT_ISP_ACTIVE, &flags))) {
1783
1784 ha->flags.rscn_queue_overflow = 1;
1785 set_bit(RSCN_UPDATE, &flags);
1786 set_bit(LOCAL_LOOP_UPDATE, &flags);
1787 }
1788
1789 if (test_bit(LOCAL_LOOP_UPDATE, &flags)) {
1790 if (test_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags)) {
1791 rval = QLA_FUNCTION_FAILED;
1792 } else {
1793 rval = qla2x00_configure_local_loop(ha);
1794 }
1795 }
1796
1797 if (rval == QLA_SUCCESS && test_bit(RSCN_UPDATE, &flags)) {
1798 if (LOOP_TRANSITION(ha)) {
1799 rval = QLA_FUNCTION_FAILED;
1800 } else {
1801 rval = qla2x00_configure_fabric(ha);
1802 }
1803 }
1804
1805 if (rval == QLA_SUCCESS) {
1806 if (atomic_read(&ha->loop_down_timer) ||
1807 test_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags)) {
1808 rval = QLA_FUNCTION_FAILED;
1809 } else {
1810 atomic_set(&ha->loop_state, LOOP_READY);
1811
1812 DEBUG(printk("scsi(%ld): LOOP READY\n", ha->host_no));
1813 }
1814 }
1815
1816 if (rval) {
1817 DEBUG2_3(printk("%s(%ld): *** FAILED ***\n",
1818 __func__, ha->host_no));
1819 } else {
1820 DEBUG3(printk("%s: exiting normally\n", __func__));
1821 }
1822
1823 /* Restore state if a resync event occured during processing */
1824 if (test_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags)) {
1825 if (test_bit(LOCAL_LOOP_UPDATE, &save_flags))
1826 set_bit(LOCAL_LOOP_UPDATE, &ha->dpc_flags);
1827 if (test_bit(RSCN_UPDATE, &save_flags))
1828 set_bit(RSCN_UPDATE, &ha->dpc_flags);
1829 }
1830
1831 return (rval);
1832 }
1833
1834
1835
1836 /*
1837 * qla2x00_configure_local_loop
1838 * Updates Fibre Channel Device Database with local loop devices.
1839 *
1840 * Input:
1841 * ha = adapter block pointer.
1842 *
1843 * Returns:
1844 * 0 = success.
1845 */
1846 static int
1847 qla2x00_configure_local_loop(scsi_qla_host_t *ha)
1848 {
1849 int rval, rval2;
1850 int found_devs;
1851 int found;
1852 fc_port_t *fcport, *new_fcport;
1853
1854 uint16_t index;
1855 uint16_t entries;
1856 char *id_iter;
1857 uint16_t loop_id;
1858 uint8_t domain, area, al_pa;
1859
1860 found_devs = 0;
1861 new_fcport = NULL;
1862 entries = MAX_FIBRE_DEVICES;
1863
1864 DEBUG3(printk("scsi(%ld): Getting FCAL position map\n", ha->host_no));
1865 DEBUG3(qla2x00_get_fcal_position_map(ha, NULL));
1866
1867 /* Get list of logged in devices. */
1868 memset(ha->gid_list, 0, GID_LIST_SIZE);
1869 rval = qla2x00_get_id_list(ha, ha->gid_list, ha->gid_list_dma,
1870 &entries);
1871 if (rval != QLA_SUCCESS)
1872 goto cleanup_allocation;
1873
1874 DEBUG3(printk("scsi(%ld): Entries in ID list (%d)\n",
1875 ha->host_no, entries));
1876 DEBUG3(qla2x00_dump_buffer((uint8_t *)ha->gid_list,
1877 entries * sizeof(struct gid_list_info)));
1878
1879 /* Allocate temporary fcport for any new fcports discovered. */
1880 new_fcport = qla2x00_alloc_fcport(ha, GFP_KERNEL);
1881 if (new_fcport == NULL) {
1882 rval = QLA_MEMORY_ALLOC_FAILED;
1883 goto cleanup_allocation;
1884 }
1885 new_fcport->flags &= ~FCF_FABRIC_DEVICE;
1886
1887 /*
1888 * Mark local devices that were present with FCF_DEVICE_LOST for now.
1889 */
1890 list_for_each_entry(fcport, &ha->fcports, list) {
1891 if (atomic_read(&fcport->state) == FCS_ONLINE &&
1892 fcport->port_type != FCT_BROADCAST &&
1893 (fcport->flags & FCF_FABRIC_DEVICE) == 0) {
1894
1895 DEBUG(printk("scsi(%ld): Marking port lost, "
1896 "loop_id=0x%04x\n",
1897 ha->host_no, fcport->loop_id));
1898
1899 atomic_set(&fcport->state, FCS_DEVICE_LOST);
1900 fcport->flags &= ~FCF_FARP_DONE;
1901 }
1902 }
1903
1904 /* Add devices to port list. */
1905 id_iter = (char *)ha->gid_list;
1906 for (index = 0; index < entries; index++) {
1907 domain = ((struct gid_list_info *)id_iter)->domain;
1908 area = ((struct gid_list_info *)id_iter)->area;
1909 al_pa = ((struct gid_list_info *)id_iter)->al_pa;
1910 if (IS_QLA2100(ha) || IS_QLA2200(ha))
1911 loop_id = (uint16_t)
1912 ((struct gid_list_info *)id_iter)->loop_id_2100;
1913 else
1914 loop_id = le16_to_cpu(
1915 ((struct gid_list_info *)id_iter)->loop_id);
1916 id_iter += ha->gid_list_info_size;
1917
1918 /* Bypass reserved domain fields. */
1919 if ((domain & 0xf0) == 0xf0)
1920 continue;
1921
1922 /* Bypass if not same domain and area of adapter. */
1923 if (area && domain &&
1924 (area != ha->d_id.b.area || domain != ha->d_id.b.domain))
1925 continue;
1926
1927 /* Bypass invalid local loop ID. */
1928 if (loop_id > LAST_LOCAL_LOOP_ID)
1929 continue;
1930
1931 /* Fill in member data. */
1932 new_fcport->d_id.b.domain = domain;
1933 new_fcport->d_id.b.area = area;
1934 new_fcport->d_id.b.al_pa = al_pa;
1935 new_fcport->loop_id = loop_id;
1936 rval2 = qla2x00_get_port_database(ha, new_fcport, 0);
1937 if (rval2 != QLA_SUCCESS) {
1938 DEBUG2(printk("scsi(%ld): Failed to retrieve fcport "
1939 "information -- get_port_database=%x, "
1940 "loop_id=0x%04x\n",
1941 ha->host_no, rval2, new_fcport->loop_id));
1942 continue;
1943 }
1944
1945 /* Check for matching device in port list. */
1946 found = 0;
1947 fcport = NULL;
1948 list_for_each_entry(fcport, &ha->fcports, list) {
1949 if (memcmp(new_fcport->port_name, fcport->port_name,
1950 WWN_SIZE))
1951 continue;
1952
1953 fcport->flags &= ~(FCF_FABRIC_DEVICE |
1954 FCF_PERSISTENT_BOUND);
1955 fcport->loop_id = new_fcport->loop_id;
1956 fcport->port_type = new_fcport->port_type;
1957 fcport->d_id.b24 = new_fcport->d_id.b24;
1958 memcpy(fcport->node_name, new_fcport->node_name,
1959 WWN_SIZE);
1960
1961 found++;
1962 break;
1963 }
1964
1965 if (!found) {
1966 /* New device, add to fcports list. */
1967 new_fcport->flags &= ~FCF_PERSISTENT_BOUND;
1968 list_add_tail(&new_fcport->list, &ha->fcports);
1969
1970 /* Allocate a new replacement fcport. */
1971 fcport = new_fcport;
1972 new_fcport = qla2x00_alloc_fcport(ha, GFP_KERNEL);
1973 if (new_fcport == NULL) {
1974 rval = QLA_MEMORY_ALLOC_FAILED;
1975 goto cleanup_allocation;
1976 }
1977 new_fcport->flags &= ~FCF_FABRIC_DEVICE;
1978 }
1979
1980 qla2x00_update_fcport(ha, fcport);
1981
1982 found_devs++;
1983 }
1984
1985 cleanup_allocation:
1986 kfree(new_fcport);
1987
1988 if (rval != QLA_SUCCESS) {
1989 DEBUG2(printk("scsi(%ld): Configure local loop error exit: "
1990 "rval=%x\n", ha->host_no, rval));
1991 }
1992
1993 if (found_devs) {
1994 ha->device_flags |= DFLG_LOCAL_DEVICES;
1995 ha->device_flags &= ~DFLG_RETRY_LOCAL_DEVICES;
1996 }
1997
1998 return (rval);
1999 }
2000
2001 static void
2002 qla2x00_probe_for_all_luns(scsi_qla_host_t *ha)
2003 {
2004 fc_port_t *fcport;
2005
2006 qla2x00_mark_all_devices_lost(ha);
2007 list_for_each_entry(fcport, &ha->fcports, list) {
2008 if (fcport->port_type != FCT_TARGET)
2009 continue;
2010
2011 qla2x00_update_fcport(ha, fcport);
2012 }
2013 }
2014
2015 /*
2016 * qla2x00_update_fcport
2017 * Updates device on list.
2018 *
2019 * Input:
2020 * ha = adapter block pointer.
2021 * fcport = port structure pointer.
2022 *
2023 * Return:
2024 * 0 - Success
2025 * BIT_0 - error
2026 *
2027 * Context:
2028 * Kernel context.
2029 */
2030 static void
2031 qla2x00_update_fcport(scsi_qla_host_t *ha, fc_port_t *fcport)
2032 {
2033 uint16_t index;
2034 unsigned long flags;
2035 srb_t *sp;
2036
2037 fcport->ha = ha;
2038 fcport->login_retry = 0;
2039 fcport->port_login_retry_count = ha->port_down_retry_count *
2040 PORT_RETRY_TIME;
2041 atomic_set(&fcport->port_down_timer, ha->port_down_retry_count *
2042 PORT_RETRY_TIME);
2043 fcport->flags &= ~FCF_LOGIN_NEEDED;
2044
2045 /*
2046 * Check for outstanding cmd on tape Bypass LUN discovery if active
2047 * command on tape.
2048 */
2049 if (fcport->flags & FCF_TAPE_PRESENT) {
2050 spin_lock_irqsave(&ha->hardware_lock, flags);
2051 for (index = 1; index < MAX_OUTSTANDING_COMMANDS; index++) {
2052 fc_port_t *sfcp;
2053
2054 if ((sp = ha->outstanding_cmds[index]) != 0) {
2055 sfcp = sp->fcport;
2056 if (sfcp == fcport) {
2057 atomic_set(&fcport->state, FCS_ONLINE);
2058 spin_unlock_irqrestore(
2059 &ha->hardware_lock, flags);
2060 return;
2061 }
2062 }
2063 }
2064 spin_unlock_irqrestore(&ha->hardware_lock, flags);
2065 }
2066
2067 if (fcport->port_type == FCT_INITIATOR ||
2068 fcport->port_type == FCT_BROADCAST)
2069 fcport->device_type = TYPE_PROCESSOR;
2070
2071 atomic_set(&fcport->state, FCS_ONLINE);
2072
2073 if (ha->flags.init_done)
2074 qla2x00_reg_remote_port(ha, fcport);
2075 }
2076
2077 void
2078 qla2x00_reg_remote_port(scsi_qla_host_t *ha, fc_port_t *fcport)
2079 {
2080 struct fc_rport_identifiers rport_ids;
2081 struct fc_rport *rport;
2082
2083 if (fcport->rport) {
2084 fc_remote_port_delete(fcport->rport);
2085 fcport->rport = NULL;
2086 }
2087
2088 rport_ids.node_name = wwn_to_u64(fcport->node_name);
2089 rport_ids.port_name = wwn_to_u64(fcport->port_name);
2090 rport_ids.port_id = fcport->d_id.b.domain << 16 |
2091 fcport->d_id.b.area << 8 | fcport->d_id.b.al_pa;
2092 rport_ids.roles = FC_RPORT_ROLE_UNKNOWN;
2093 fcport->rport = rport = fc_remote_port_add(ha->host, 0, &rport_ids);
2094 if (!rport) {
2095 qla_printk(KERN_WARNING, ha,
2096 "Unable to allocate fc remote port!\n");
2097 return;
2098 }
2099 *((fc_port_t **)rport->dd_data) = fcport;
2100 rport->supported_classes = fcport->supported_classes;
2101
2102 rport_ids.roles = FC_RPORT_ROLE_UNKNOWN;
2103 if (fcport->port_type == FCT_INITIATOR)
2104 rport_ids.roles |= FC_RPORT_ROLE_FCP_INITIATOR;
2105 if (fcport->port_type == FCT_TARGET)
2106 rport_ids.roles |= FC_RPORT_ROLE_FCP_TARGET;
2107 fc_remote_port_rolechg(rport, rport_ids.roles);
2108
2109 if (rport->scsi_target_id != -1 &&
2110 rport->scsi_target_id < ha->host->max_id)
2111 fcport->os_target_id = rport->scsi_target_id;
2112 }
2113
2114 /*
2115 * qla2x00_configure_fabric
2116 * Setup SNS devices with loop ID's.
2117 *
2118 * Input:
2119 * ha = adapter block pointer.
2120 *
2121 * Returns:
2122 * 0 = success.
2123 * BIT_0 = error
2124 */
2125 static int
2126 qla2x00_configure_fabric(scsi_qla_host_t *ha)
2127 {
2128 int rval, rval2;
2129 fc_port_t *fcport, *fcptemp;
2130 uint16_t next_loopid;
2131 uint16_t mb[MAILBOX_REGISTER_COUNT];
2132 uint16_t loop_id;
2133 LIST_HEAD(new_fcports);
2134
2135 /* If FL port exists, then SNS is present */
2136 if (IS_QLA24XX(ha) || IS_QLA25XX(ha))
2137 loop_id = NPH_F_PORT;
2138 else
2139 loop_id = SNS_FL_PORT;
2140 rval = qla2x00_get_port_name(ha, loop_id, NULL, 0);
2141 if (rval != QLA_SUCCESS) {
2142 DEBUG2(printk("scsi(%ld): MBC_GET_PORT_NAME Failed, No FL "
2143 "Port\n", ha->host_no));
2144
2145 ha->device_flags &= ~SWITCH_FOUND;
2146 return (QLA_SUCCESS);
2147 }
2148
2149 /* Mark devices that need re-synchronization. */
2150 rval2 = qla2x00_device_resync(ha);
2151 if (rval2 == QLA_RSCNS_HANDLED) {
2152 /* No point doing the scan, just continue. */
2153 return (QLA_SUCCESS);
2154 }
2155 do {
2156 /* FDMI support. */
2157 if (ql2xfdmienable &&
2158 test_and_clear_bit(REGISTER_FDMI_NEEDED, &ha->dpc_flags))
2159 qla2x00_fdmi_register(ha);
2160
2161 /* Ensure we are logged into the SNS. */
2162 if (IS_QLA24XX(ha) || IS_QLA25XX(ha))
2163 loop_id = NPH_SNS;
2164 else
2165 loop_id = SIMPLE_NAME_SERVER;
2166 ha->isp_ops.fabric_login(ha, loop_id, 0xff, 0xff,
2167 0xfc, mb, BIT_1 | BIT_0);
2168 if (mb[0] != MBS_COMMAND_COMPLETE) {
2169 DEBUG2(qla_printk(KERN_INFO, ha,
2170 "Failed SNS login: loop_id=%x mb[0]=%x mb[1]=%x "
2171 "mb[2]=%x mb[6]=%x mb[7]=%x\n", loop_id,
2172 mb[0], mb[1], mb[2], mb[6], mb[7]));
2173 return (QLA_SUCCESS);
2174 }
2175
2176 if (test_and_clear_bit(REGISTER_FC4_NEEDED, &ha->dpc_flags)) {
2177 if (qla2x00_rft_id(ha)) {
2178 /* EMPTY */
2179 DEBUG2(printk("scsi(%ld): Register FC-4 "
2180 "TYPE failed.\n", ha->host_no));
2181 }
2182 if (qla2x00_rff_id(ha)) {
2183 /* EMPTY */
2184 DEBUG2(printk("scsi(%ld): Register FC-4 "
2185 "Features failed.\n", ha->host_no));
2186 }
2187 if (qla2x00_rnn_id(ha)) {
2188 /* EMPTY */
2189 DEBUG2(printk("scsi(%ld): Register Node Name "
2190 "failed.\n", ha->host_no));
2191 } else if (qla2x00_rsnn_nn(ha)) {
2192 /* EMPTY */
2193 DEBUG2(printk("scsi(%ld): Register Symbolic "
2194 "Node Name failed.\n", ha->host_no));
2195 }
2196 }
2197
2198 rval = qla2x00_find_all_fabric_devs(ha, &new_fcports);
2199 if (rval != QLA_SUCCESS)
2200 break;
2201
2202 /*
2203 * Logout all previous fabric devices marked lost, except
2204 * tape devices.
2205 */
2206 list_for_each_entry(fcport, &ha->fcports, list) {
2207 if (test_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags))
2208 break;
2209
2210 if ((fcport->flags & FCF_FABRIC_DEVICE) == 0)
2211 continue;
2212
2213 if (atomic_read(&fcport->state) == FCS_DEVICE_LOST) {
2214 qla2x00_mark_device_lost(ha, fcport,
2215 ql2xplogiabsentdevice);
2216 if (fcport->loop_id != FC_NO_LOOP_ID &&
2217 (fcport->flags & FCF_TAPE_PRESENT) == 0 &&
2218 fcport->port_type != FCT_INITIATOR &&
2219 fcport->port_type != FCT_BROADCAST) {
2220
2221 ha->isp_ops.fabric_logout(ha,
2222 fcport->loop_id,
2223 fcport->d_id.b.domain,
2224 fcport->d_id.b.area,
2225 fcport->d_id.b.al_pa);
2226 fcport->loop_id = FC_NO_LOOP_ID;
2227 }
2228 }
2229 }
2230
2231 /* Starting free loop ID. */
2232 next_loopid = ha->min_external_loopid;
2233
2234 /*
2235 * Scan through our port list and login entries that need to be
2236 * logged in.
2237 */
2238 list_for_each_entry(fcport, &ha->fcports, list) {
2239 if (atomic_read(&ha->loop_down_timer) ||
2240 test_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags))
2241 break;
2242
2243 if ((fcport->flags & FCF_FABRIC_DEVICE) == 0 ||
2244 (fcport->flags & FCF_LOGIN_NEEDED) == 0)
2245 continue;
2246
2247 if (fcport->loop_id == FC_NO_LOOP_ID) {
2248 fcport->loop_id = next_loopid;
2249 rval = qla2x00_find_new_loop_id(ha, fcport);
2250 if (rval != QLA_SUCCESS) {
2251 /* Ran out of IDs to use */
2252 break;
2253 }
2254 }
2255 /* Login and update database */
2256 qla2x00_fabric_dev_login(ha, fcport, &next_loopid);
2257 }
2258
2259 /* Exit if out of loop IDs. */
2260 if (rval != QLA_SUCCESS) {
2261 break;
2262 }
2263
2264 /*
2265 * Login and add the new devices to our port list.
2266 */
2267 list_for_each_entry_safe(fcport, fcptemp, &new_fcports, list) {
2268 if (atomic_read(&ha->loop_down_timer) ||
2269 test_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags))
2270 break;
2271
2272 /* Find a new loop ID to use. */
2273 fcport->loop_id = next_loopid;
2274 rval = qla2x00_find_new_loop_id(ha, fcport);
2275 if (rval != QLA_SUCCESS) {
2276 /* Ran out of IDs to use */
2277 break;
2278 }
2279
2280 /* Remove device from the new list and add it to DB */
2281 list_del(&fcport->list);
2282 list_add_tail(&fcport->list, &ha->fcports);
2283
2284 /* Login and update database */
2285 qla2x00_fabric_dev_login(ha, fcport, &next_loopid);
2286 }
2287 } while (0);
2288
2289 /* Free all new device structures not processed. */
2290 list_for_each_entry_safe(fcport, fcptemp, &new_fcports, list) {
2291 list_del(&fcport->list);
2292 kfree(fcport);
2293 }
2294
2295 if (rval) {
2296 DEBUG2(printk("scsi(%ld): Configure fabric error exit: "
2297 "rval=%d\n", ha->host_no, rval));
2298 }
2299
2300 return (rval);
2301 }
2302
2303
2304 /*
2305 * qla2x00_find_all_fabric_devs
2306 *
2307 * Input:
2308 * ha = adapter block pointer.
2309 * dev = database device entry pointer.
2310 *
2311 * Returns:
2312 * 0 = success.
2313 *
2314 * Context:
2315 * Kernel context.
2316 */
2317 static int
2318 qla2x00_find_all_fabric_devs(scsi_qla_host_t *ha, struct list_head *new_fcports)
2319 {
2320 int rval;
2321 uint16_t loop_id;
2322 fc_port_t *fcport, *new_fcport, *fcptemp;
2323 int found;
2324
2325 sw_info_t *swl;
2326 int swl_idx;
2327 int first_dev, last_dev;
2328 port_id_t wrap, nxt_d_id;
2329
2330 rval = QLA_SUCCESS;
2331
2332 /* Try GID_PT to get device list, else GAN. */
2333 swl = kmalloc(sizeof(sw_info_t) * MAX_FIBRE_DEVICES, GFP_ATOMIC);
2334 if (swl == NULL) {
2335 /*EMPTY*/
2336 DEBUG2(printk("scsi(%ld): GID_PT allocations failed, fallback "
2337 "on GA_NXT\n", ha->host_no));
2338 } else {
2339 memset(swl, 0, sizeof(sw_info_t) * MAX_FIBRE_DEVICES);
2340 if (qla2x00_gid_pt(ha, swl) != QLA_SUCCESS) {
2341 kfree(swl);
2342 swl = NULL;
2343 } else if (qla2x00_gpn_id(ha, swl) != QLA_SUCCESS) {
2344 kfree(swl);
2345 swl = NULL;
2346 } else if (qla2x00_gnn_id(ha, swl) != QLA_SUCCESS) {
2347 kfree(swl);
2348 swl = NULL;
2349 }
2350 }
2351 swl_idx = 0;
2352
2353 /* Allocate temporary fcport for any new fcports discovered. */
2354 new_fcport = qla2x00_alloc_fcport(ha, GFP_KERNEL);
2355 if (new_fcport == NULL) {
2356 kfree(swl);
2357 return (QLA_MEMORY_ALLOC_FAILED);
2358 }
2359 new_fcport->flags |= (FCF_FABRIC_DEVICE | FCF_LOGIN_NEEDED);
2360
2361 /* Set start port ID scan at adapter ID. */
2362 first_dev = 1;
2363 last_dev = 0;
2364
2365 /* Starting free loop ID. */
2366 loop_id = ha->min_external_loopid;
2367 for (; loop_id <= ha->last_loop_id; loop_id++) {
2368 if (qla2x00_is_reserved_id(ha, loop_id))
2369 continue;
2370
2371 if (atomic_read(&ha->loop_down_timer) || LOOP_TRANSITION(ha))
2372 break;
2373
2374 if (swl != NULL) {
2375 if (last_dev) {
2376 wrap.b24 = new_fcport->d_id.b24;
2377 } else {
2378 new_fcport->d_id.b24 = swl[swl_idx].d_id.b24;
2379 memcpy(new_fcport->node_name,
2380 swl[swl_idx].node_name, WWN_SIZE);
2381 memcpy(new_fcport->port_name,
2382 swl[swl_idx].port_name, WWN_SIZE);
2383
2384 if (swl[swl_idx].d_id.b.rsvd_1 != 0) {
2385 last_dev = 1;
2386 }
2387 swl_idx++;
2388 }
2389 } else {
2390 /* Send GA_NXT to the switch */
2391 rval = qla2x00_ga_nxt(ha, new_fcport);
2392 if (rval != QLA_SUCCESS) {
2393 qla_printk(KERN_WARNING, ha,
2394 "SNS scan failed -- assuming zero-entry "
2395 "result...\n");
2396 list_for_each_entry_safe(fcport, fcptemp,
2397 new_fcports, list) {
2398 list_del(&fcport->list);
2399 kfree(fcport);
2400 }
2401 rval = QLA_SUCCESS;
2402 break;
2403 }
2404 }
2405
2406 /* If wrap on switch device list, exit. */
2407 if (first_dev) {
2408 wrap.b24 = new_fcport->d_id.b24;
2409 first_dev = 0;
2410 } else if (new_fcport->d_id.b24 == wrap.b24) {
2411 DEBUG2(printk("scsi(%ld): device wrap (%02x%02x%02x)\n",
2412 ha->host_no, new_fcport->d_id.b.domain,
2413 new_fcport->d_id.b.area, new_fcport->d_id.b.al_pa));
2414 break;
2415 }
2416
2417 /* Bypass if host adapter. */
2418 if (new_fcport->d_id.b24 == ha->d_id.b24)
2419 continue;
2420
2421 /* Bypass if same domain and area of adapter. */
2422 if (((new_fcport->d_id.b24 & 0xffff00) ==
2423 (ha->d_id.b24 & 0xffff00)) && ha->current_topology ==
2424 ISP_CFG_FL)
2425 continue;
2426
2427 /* Bypass reserved domain fields. */
2428 if ((new_fcport->d_id.b.domain & 0xf0) == 0xf0)
2429 continue;
2430
2431 /* Locate matching device in database. */
2432 found = 0;
2433 list_for_each_entry(fcport, &ha->fcports, list) {
2434 if (memcmp(new_fcport->port_name, fcport->port_name,
2435 WWN_SIZE))
2436 continue;
2437
2438 found++;
2439
2440 /*
2441 * If address the same and state FCS_ONLINE, nothing
2442 * changed.
2443 */
2444 if (fcport->d_id.b24 == new_fcport->d_id.b24 &&
2445 atomic_read(&fcport->state) == FCS_ONLINE) {
2446 break;
2447 }
2448
2449 /*
2450 * If device was not a fabric device before.
2451 */
2452 if ((fcport->flags & FCF_FABRIC_DEVICE) == 0) {
2453 fcport->d_id.b24 = new_fcport->d_id.b24;
2454 fcport->loop_id = FC_NO_LOOP_ID;
2455 fcport->flags |= (FCF_FABRIC_DEVICE |
2456 FCF_LOGIN_NEEDED);
2457 fcport->flags &= ~FCF_PERSISTENT_BOUND;
2458 break;
2459 }
2460
2461 /*
2462 * Port ID changed or device was marked to be updated;
2463 * Log it out if still logged in and mark it for
2464 * relogin later.
2465 */
2466 fcport->d_id.b24 = new_fcport->d_id.b24;
2467 fcport->flags |= FCF_LOGIN_NEEDED;
2468 if (fcport->loop_id != FC_NO_LOOP_ID &&
2469 (fcport->flags & FCF_TAPE_PRESENT) == 0 &&
2470 fcport->port_type != FCT_INITIATOR &&
2471 fcport->port_type != FCT_BROADCAST) {
2472 ha->isp_ops.fabric_logout(ha, fcport->loop_id,
2473 fcport->d_id.b.domain, fcport->d_id.b.area,
2474 fcport->d_id.b.al_pa);
2475 fcport->loop_id = FC_NO_LOOP_ID;
2476 }
2477
2478 break;
2479 }
2480
2481 if (found)
2482 continue;
2483
2484 /* If device was not in our fcports list, then add it. */
2485 list_add_tail(&new_fcport->list, new_fcports);
2486
2487 /* Allocate a new replacement fcport. */
2488 nxt_d_id.b24 = new_fcport->d_id.b24;
2489 new_fcport = qla2x00_alloc_fcport(ha, GFP_KERNEL);
2490 if (new_fcport == NULL) {
2491 kfree(swl);
2492 return (QLA_MEMORY_ALLOC_FAILED);
2493 }
2494 new_fcport->flags |= (FCF_FABRIC_DEVICE | FCF_LOGIN_NEEDED);
2495 new_fcport->d_id.b24 = nxt_d_id.b24;
2496 }
2497
2498 kfree(swl);
2499 kfree(new_fcport);
2500
2501 if (!list_empty(new_fcports))
2502 ha->device_flags |= DFLG_FABRIC_DEVICES;
2503
2504 return (rval);
2505 }
2506
2507 /*
2508 * qla2x00_find_new_loop_id
2509 * Scan through our port list and find a new usable loop ID.
2510 *
2511 * Input:
2512 * ha: adapter state pointer.
2513 * dev: port structure pointer.
2514 *
2515 * Returns:
2516 * qla2x00 local function return status code.
2517 *
2518 * Context:
2519 * Kernel context.
2520 */
2521 int
2522 qla2x00_find_new_loop_id(scsi_qla_host_t *ha, fc_port_t *dev)
2523 {
2524 int rval;
2525 int found;
2526 fc_port_t *fcport;
2527 uint16_t first_loop_id;
2528
2529 rval = QLA_SUCCESS;
2530
2531 /* Save starting loop ID. */
2532 first_loop_id = dev->loop_id;
2533
2534 for (;;) {
2535 /* Skip loop ID if already used by adapter. */
2536 if (dev->loop_id == ha->loop_id) {
2537 dev->loop_id++;
2538 }
2539
2540 /* Skip reserved loop IDs. */
2541 while (qla2x00_is_reserved_id(ha, dev->loop_id)) {
2542 dev->loop_id++;
2543 }
2544
2545 /* Reset loop ID if passed the end. */
2546 if (dev->loop_id > ha->last_loop_id) {
2547 /* first loop ID. */
2548 dev->loop_id = ha->min_external_loopid;
2549 }
2550
2551 /* Check for loop ID being already in use. */
2552 found = 0;
2553 fcport = NULL;
2554 list_for_each_entry(fcport, &ha->fcports, list) {
2555 if (fcport->loop_id == dev->loop_id && fcport != dev) {
2556 /* ID possibly in use */
2557 found++;
2558 break;
2559 }
2560 }
2561
2562 /* If not in use then it is free to use. */
2563 if (!found) {
2564 break;
2565 }
2566
2567 /* ID in use. Try next value. */
2568 dev->loop_id++;
2569
2570 /* If wrap around. No free ID to use. */
2571 if (dev->loop_id == first_loop_id) {
2572 dev->loop_id = FC_NO_LOOP_ID;
2573 rval = QLA_FUNCTION_FAILED;
2574 break;
2575 }
2576 }
2577
2578 return (rval);
2579 }
2580
2581 /*
2582 * qla2x00_device_resync
2583 * Marks devices in the database that needs resynchronization.
2584 *
2585 * Input:
2586 * ha = adapter block pointer.
2587 *
2588 * Context:
2589 * Kernel context.
2590 */
2591 static int
2592 qla2x00_device_resync(scsi_qla_host_t *ha)
2593 {
2594 int rval;
2595 int rval2;
2596 uint32_t mask;
2597 fc_port_t *fcport;
2598 uint32_t rscn_entry;
2599 uint8_t rscn_out_iter;
2600 uint8_t format;
2601 port_id_t d_id;
2602
2603 rval = QLA_RSCNS_HANDLED;
2604
2605 while (ha->rscn_out_ptr != ha->rscn_in_ptr ||
2606 ha->flags.rscn_queue_overflow) {
2607
2608 rscn_entry = ha->rscn_queue[ha->rscn_out_ptr];
2609 format = MSB(MSW(rscn_entry));
2610 d_id.b.domain = LSB(MSW(rscn_entry));
2611 d_id.b.area = MSB(LSW(rscn_entry));
2612 d_id.b.al_pa = LSB(LSW(rscn_entry));
2613
2614 DEBUG(printk("scsi(%ld): RSCN queue entry[%d] = "
2615 "[%02x/%02x%02x%02x].\n",
2616 ha->host_no, ha->rscn_out_ptr, format, d_id.b.domain,
2617 d_id.b.area, d_id.b.al_pa));
2618
2619 ha->rscn_out_ptr++;
2620 if (ha->rscn_out_ptr == MAX_RSCN_COUNT)
2621 ha->rscn_out_ptr = 0;
2622
2623 /* Skip duplicate entries. */
2624 for (rscn_out_iter = ha->rscn_out_ptr;
2625 !ha->flags.rscn_queue_overflow &&
2626 rscn_out_iter != ha->rscn_in_ptr;
2627 rscn_out_iter = (rscn_out_iter ==
2628 (MAX_RSCN_COUNT - 1)) ? 0: rscn_out_iter + 1) {
2629
2630 if (rscn_entry != ha->rscn_queue[rscn_out_iter])
2631 break;
2632
2633 DEBUG(printk("scsi(%ld): Skipping duplicate RSCN queue "
2634 "entry found at [%d].\n", ha->host_no,
2635 rscn_out_iter));
2636
2637 ha->rscn_out_ptr = rscn_out_iter;
2638 }
2639
2640 /* Queue overflow, set switch default case. */
2641 if (ha->flags.rscn_queue_overflow) {
2642 DEBUG(printk("scsi(%ld): device_resync: rscn "
2643 "overflow.\n", ha->host_no));
2644
2645 format = 3;
2646 ha->flags.rscn_queue_overflow = 0;
2647 }
2648
2649 switch (format) {
2650 case 0:
2651 if (!IS_QLA2100(ha) && !IS_QLA2200(ha) &&
2652 !IS_QLA6312(ha) && !IS_QLA6322(ha) &&
2653 !IS_QLA24XX(ha) && !IS_QLA25XX(ha) &&
2654 ha->flags.init_done) {
2655 /* Handle port RSCN via asyncronous IOCBs */
2656 rval2 = qla2x00_handle_port_rscn(ha, rscn_entry,
2657 NULL, 0);
2658 if (rval2 == QLA_SUCCESS)
2659 continue;
2660 }
2661 mask = 0xffffff;
2662 break;
2663 case 1:
2664 mask = 0xffff00;
2665 break;
2666 case 2:
2667 mask = 0xff0000;
2668 break;
2669 default:
2670 mask = 0x0;
2671 d_id.b24 = 0;
2672 ha->rscn_out_ptr = ha->rscn_in_ptr;
2673 break;
2674 }
2675
2676 rval = QLA_SUCCESS;
2677
2678 /* Abort any outstanding IO descriptors. */
2679 if (!IS_QLA2100(ha) && !IS_QLA2200(ha))
2680 qla2x00_cancel_io_descriptors(ha);
2681
2682 list_for_each_entry(fcport, &ha->fcports, list) {
2683 if ((fcport->flags & FCF_FABRIC_DEVICE) == 0 ||
2684 (fcport->d_id.b24 & mask) != d_id.b24 ||
2685 fcport->port_type == FCT_BROADCAST)
2686 continue;
2687
2688 if (atomic_read(&fcport->state) == FCS_ONLINE) {
2689 if (format != 3 ||
2690 fcport->port_type != FCT_INITIATOR) {
2691 qla2x00_mark_device_lost(ha, fcport, 0);
2692 }
2693 }
2694 fcport->flags &= ~FCF_FARP_DONE;
2695 }
2696 }
2697 return (rval);
2698 }
2699
2700 /*
2701 * qla2x00_fabric_dev_login
2702 * Login fabric target device and update FC port database.
2703 *
2704 * Input:
2705 * ha: adapter state pointer.
2706 * fcport: port structure list pointer.
2707 * next_loopid: contains value of a new loop ID that can be used
2708 * by the next login attempt.
2709 *
2710 * Returns:
2711 * qla2x00 local function return status code.
2712 *
2713 * Context:
2714 * Kernel context.
2715 */
2716 static int
2717 qla2x00_fabric_dev_login(scsi_qla_host_t *ha, fc_port_t *fcport,
2718 uint16_t *next_loopid)
2719 {
2720 int rval;
2721 int retry;
2722 uint8_t opts;
2723
2724 rval = QLA_SUCCESS;
2725 retry = 0;
2726
2727 rval = qla2x00_fabric_login(ha, fcport, next_loopid);
2728 if (rval == QLA_SUCCESS) {
2729 /* Send an ADISC to tape devices.*/
2730 opts = 0;
2731 if (fcport->flags & FCF_TAPE_PRESENT)
2732 opts |= BIT_1;
2733 rval = qla2x00_get_port_database(ha, fcport, opts);
2734 if (rval != QLA_SUCCESS) {
2735 ha->isp_ops.fabric_logout(ha, fcport->loop_id,
2736 fcport->d_id.b.domain, fcport->d_id.b.area,
2737 fcport->d_id.b.al_pa);
2738 qla2x00_mark_device_lost(ha, fcport, 1);
2739
2740 } else {
2741 qla2x00_update_fcport(ha, fcport);
2742 }
2743 }
2744
2745 return (rval);
2746 }
2747
2748 /*
2749 * qla2x00_fabric_login
2750 * Issue fabric login command.
2751 *
2752 * Input:
2753 * ha = adapter block pointer.
2754 * device = pointer to FC device type structure.
2755 *
2756 * Returns:
2757 * 0 - Login successfully
2758 * 1 - Login failed
2759 * 2 - Initiator device
2760 * 3 - Fatal error
2761 */
2762 int
2763 qla2x00_fabric_login(scsi_qla_host_t *ha, fc_port_t *fcport,
2764 uint16_t *next_loopid)
2765 {
2766 int rval;
2767 int retry;
2768 uint16_t tmp_loopid;
2769 uint16_t mb[MAILBOX_REGISTER_COUNT];
2770
2771 retry = 0;
2772 tmp_loopid = 0;
2773
2774 for (;;) {
2775 DEBUG(printk("scsi(%ld): Trying Fabric Login w/loop id 0x%04x "
2776 "for port %02x%02x%02x.\n",
2777 ha->host_no, fcport->loop_id, fcport->d_id.b.domain,
2778 fcport->d_id.b.area, fcport->d_id.b.al_pa));
2779
2780 /* Login fcport on switch. */
2781 ha->isp_ops.fabric_login(ha, fcport->loop_id,
2782 fcport->d_id.b.domain, fcport->d_id.b.area,
2783 fcport->d_id.b.al_pa, mb, BIT_0);
2784 if (mb[0] == MBS_PORT_ID_USED) {
2785 /*
2786 * Device has another loop ID. The firmware team
2787 * recommends the driver perform an implicit login with
2788 * the specified ID again. The ID we just used is save
2789 * here so we return with an ID that can be tried by
2790 * the next login.
2791 */
2792 retry++;
2793 tmp_loopid = fcport->loop_id;
2794 fcport->loop_id = mb[1];
2795
2796 DEBUG(printk("Fabric Login: port in use - next "
2797 "loop id=0x%04x, port Id=%02x%02x%02x.\n",
2798 fcport->loop_id, fcport->d_id.b.domain,
2799 fcport->d_id.b.area, fcport->d_id.b.al_pa));
2800
2801 } else if (mb[0] == MBS_COMMAND_COMPLETE) {
2802 /*
2803 * Login succeeded.
2804 */
2805 if (retry) {
2806 /* A retry occurred before. */
2807 *next_loopid = tmp_loopid;
2808 } else {
2809 /*
2810 * No retry occurred before. Just increment the
2811 * ID value for next login.
2812 */
2813 *next_loopid = (fcport->loop_id + 1);
2814 }
2815
2816 if (mb[1] & BIT_0) {
2817 fcport->port_type = FCT_INITIATOR;
2818 } else {
2819 fcport->port_type = FCT_TARGET;
2820 if (mb[1] & BIT_1) {
2821 fcport->flags |= FCF_TAPE_PRESENT;
2822 }
2823 }
2824
2825 if (mb[10] & BIT_0)
2826 fcport->supported_classes |= FC_COS_CLASS2;
2827 if (mb[10] & BIT_1)
2828 fcport->supported_classes |= FC_COS_CLASS3;
2829
2830 rval = QLA_SUCCESS;
2831 break;
2832 } else if (mb[0] == MBS_LOOP_ID_USED) {
2833 /*
2834 * Loop ID already used, try next loop ID.
2835 */
2836 fcport->loop_id++;
2837 rval = qla2x00_find_new_loop_id(ha, fcport);
2838 if (rval != QLA_SUCCESS) {
2839 /* Ran out of loop IDs to use */
2840 break;
2841 }
2842 } else if (mb[0] == MBS_COMMAND_ERROR) {
2843 /*
2844 * Firmware possibly timed out during login. If NO
2845 * retries are left to do then the device is declared
2846 * dead.
2847 */
2848 *next_loopid = fcport->loop_id;
2849 ha->isp_ops.fabric_logout(ha, fcport->loop_id,
2850 fcport->d_id.b.domain, fcport->d_id.b.area,
2851 fcport->d_id.b.al_pa);
2852 qla2x00_mark_device_lost(ha, fcport, 1);
2853
2854 rval = 1;
2855 break;
2856 } else {
2857 /*
2858 * unrecoverable / not handled error
2859 */
2860 DEBUG2(printk("%s(%ld): failed=%x port_id=%02x%02x%02x "
2861 "loop_id=%x jiffies=%lx.\n",
2862 __func__, ha->host_no, mb[0],
2863 fcport->d_id.b.domain, fcport->d_id.b.area,
2864 fcport->d_id.b.al_pa, fcport->loop_id, jiffies));
2865
2866 *next_loopid = fcport->loop_id;
2867 ha->isp_ops.fabric_logout(ha, fcport->loop_id,
2868 fcport->d_id.b.domain, fcport->d_id.b.area,
2869 fcport->d_id.b.al_pa);
2870 fcport->loop_id = FC_NO_LOOP_ID;
2871 fcport->login_retry = 0;
2872
2873 rval = 3;
2874 break;
2875 }
2876 }
2877
2878 return (rval);
2879 }
2880
2881 /*
2882 * qla2x00_local_device_login
2883 * Issue local device login command.
2884 *
2885 * Input:
2886 * ha = adapter block pointer.
2887 * loop_id = loop id of device to login to.
2888 *
2889 * Returns (Where's the #define!!!!):
2890 * 0 - Login successfully
2891 * 1 - Login failed
2892 * 3 - Fatal error
2893 */
2894 int
2895 qla2x00_local_device_login(scsi_qla_host_t *ha, uint16_t loop_id)
2896 {
2897 int rval;
2898 uint16_t mb[MAILBOX_REGISTER_COUNT];
2899
2900 memset(mb, 0, sizeof(mb));
2901 rval = qla2x00_login_local_device(ha, loop_id, mb, BIT_0);
2902 if (rval == QLA_SUCCESS) {
2903 /* Interrogate mailbox registers for any errors */
2904 if (mb[0] == MBS_COMMAND_ERROR)
2905 rval = 1;
2906 else if (mb[0] == MBS_COMMAND_PARAMETER_ERROR)
2907 /* device not in PCB table */
2908 rval = 3;
2909 }
2910
2911 return (rval);
2912 }
2913
2914 /*
2915 * qla2x00_loop_resync
2916 * Resync with fibre channel devices.
2917 *
2918 * Input:
2919 * ha = adapter block pointer.
2920 *
2921 * Returns:
2922 * 0 = success
2923 */
2924 int
2925 qla2x00_loop_resync(scsi_qla_host_t *ha)
2926 {
2927 int rval;
2928 uint32_t wait_time;
2929
2930 rval = QLA_SUCCESS;
2931
2932 atomic_set(&ha->loop_state, LOOP_UPDATE);
2933 clear_bit(ISP_ABORT_RETRY, &ha->dpc_flags);
2934 if (ha->flags.online) {
2935 if (!(rval = qla2x00_fw_ready(ha))) {
2936 /* Wait at most MAX_TARGET RSCNs for a stable link. */
2937 wait_time = 256;
2938 do {
2939 atomic_set(&ha->loop_state, LOOP_UPDATE);
2940
2941 /* Issue a marker after FW becomes ready. */
2942 qla2x00_marker(ha, 0, 0, MK_SYNC_ALL);
2943 ha->marker_needed = 0;
2944
2945 /* Remap devices on Loop. */
2946 clear_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags);
2947
2948 qla2x00_configure_loop(ha);
2949 wait_time--;
2950 } while (!atomic_read(&ha->loop_down_timer) &&
2951 !(test_bit(ISP_ABORT_NEEDED, &ha->dpc_flags)) &&
2952 wait_time &&
2953 (test_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags)));
2954 }
2955 }
2956
2957 if (test_bit(ISP_ABORT_NEEDED, &ha->dpc_flags)) {
2958 return (QLA_FUNCTION_FAILED);
2959 }
2960
2961 if (rval) {
2962 DEBUG2_3(printk("%s(): **** FAILED ****\n", __func__));
2963 }
2964
2965 return (rval);
2966 }
2967
2968 void
2969 qla2x00_rescan_fcports(scsi_qla_host_t *ha)
2970 {
2971 int rescan_done;
2972 fc_port_t *fcport;
2973
2974 rescan_done = 0;
2975 list_for_each_entry(fcport, &ha->fcports, list) {
2976 if ((fcport->flags & FCF_RESCAN_NEEDED) == 0)
2977 continue;
2978
2979 qla2x00_update_fcport(ha, fcport);
2980 fcport->flags &= ~FCF_RESCAN_NEEDED;
2981
2982 rescan_done = 1;
2983 }
2984 qla2x00_probe_for_all_luns(ha);
2985 }
2986
2987 /*
2988 * qla2x00_abort_isp
2989 * Resets ISP and aborts all outstanding commands.
2990 *
2991 * Input:
2992 * ha = adapter block pointer.
2993 *
2994 * Returns:
2995 * 0 = success
2996 */
2997 int
2998 qla2x00_abort_isp(scsi_qla_host_t *ha)
2999 {
3000 unsigned long flags = 0;
3001 uint16_t cnt;
3002 srb_t *sp;
3003 uint8_t status = 0;
3004
3005 if (ha->flags.online) {
3006 ha->flags.online = 0;
3007 clear_bit(ISP_ABORT_NEEDED, &ha->dpc_flags);
3008
3009 qla_printk(KERN_INFO, ha,
3010 "Performing ISP error recovery - ha= %p.\n", ha);
3011 ha->isp_ops.reset_chip(ha);
3012
3013 atomic_set(&ha->loop_down_timer, LOOP_DOWN_TIME);
3014 if (atomic_read(&ha->loop_state) != LOOP_DOWN) {
3015 atomic_set(&ha->loop_state, LOOP_DOWN);
3016 qla2x00_mark_all_devices_lost(ha);
3017 } else {
3018 if (!atomic_read(&ha->loop_down_timer))
3019 atomic_set(&ha->loop_down_timer,
3020 LOOP_DOWN_TIME);
3021 }
3022
3023 spin_lock_irqsave(&ha->hardware_lock, flags);
3024 /* Requeue all commands in outstanding command list. */
3025 for (cnt = 1; cnt < MAX_OUTSTANDING_COMMANDS; cnt++) {
3026 sp = ha->outstanding_cmds[cnt];
3027 if (sp) {
3028 ha->outstanding_cmds[cnt] = NULL;
3029 sp->flags = 0;
3030 sp->cmd->result = DID_RESET << 16;
3031 sp->cmd->host_scribble = (unsigned char *)NULL;
3032 qla2x00_sp_compl(ha, sp);
3033 }
3034 }
3035 spin_unlock_irqrestore(&ha->hardware_lock, flags);
3036
3037 ha->isp_ops.nvram_config(ha);
3038
3039 if (!qla2x00_restart_isp(ha)) {
3040 clear_bit(RESET_MARKER_NEEDED, &ha->dpc_flags);
3041
3042 if (!atomic_read(&ha->loop_down_timer)) {
3043 /*
3044 * Issue marker command only when we are going
3045 * to start the I/O .
3046 */
3047 ha->marker_needed = 1;
3048 }
3049
3050 ha->flags.online = 1;
3051
3052 ha->isp_ops.enable_intrs(ha);
3053
3054 ha->isp_abort_cnt = 0;
3055 clear_bit(ISP_ABORT_RETRY, &ha->dpc_flags);
3056 } else { /* failed the ISP abort */
3057 ha->flags.online = 1;
3058 if (test_bit(ISP_ABORT_RETRY, &ha->dpc_flags)) {
3059 if (ha->isp_abort_cnt == 0) {
3060 qla_printk(KERN_WARNING, ha,
3061 "ISP error recovery failed - "
3062 "board disabled\n");
3063 /*
3064 * The next call disables the board
3065 * completely.
3066 */
3067 ha->isp_ops.reset_adapter(ha);
3068 ha->flags.online = 0;
3069 clear_bit(ISP_ABORT_RETRY,
3070 &ha->dpc_flags);
3071 status = 0;
3072 } else { /* schedule another ISP abort */
3073 ha->isp_abort_cnt--;
3074 DEBUG(printk("qla%ld: ISP abort - "
3075 "retry remaining %d\n",
3076 ha->host_no, ha->isp_abort_cnt);)
3077 status = 1;
3078 }
3079 } else {
3080 ha->isp_abort_cnt = MAX_RETRIES_OF_ISP_ABORT;
3081 DEBUG(printk("qla2x00(%ld): ISP error recovery "
3082 "- retrying (%d) more times\n",
3083 ha->host_no, ha->isp_abort_cnt);)
3084 set_bit(ISP_ABORT_RETRY, &ha->dpc_flags);
3085 status = 1;
3086 }
3087 }
3088
3089 }
3090
3091 if (status) {
3092 qla_printk(KERN_INFO, ha,
3093 "qla2x00_abort_isp: **** FAILED ****\n");
3094 } else {
3095 DEBUG(printk(KERN_INFO
3096 "qla2x00_abort_isp(%ld): exiting.\n",
3097 ha->host_no);)
3098 }
3099
3100 return(status);
3101 }
3102
3103 /*
3104 * qla2x00_restart_isp
3105 * restarts the ISP after a reset
3106 *
3107 * Input:
3108 * ha = adapter block pointer.
3109 *
3110 * Returns:
3111 * 0 = success
3112 */
3113 static int
3114 qla2x00_restart_isp(scsi_qla_host_t *ha)
3115 {
3116 uint8_t status = 0;
3117 struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
3118 unsigned long flags = 0;
3119 uint32_t wait_time;
3120
3121 /* If firmware needs to be loaded */
3122 if (qla2x00_isp_firmware(ha)) {
3123 ha->flags.online = 0;
3124 if (!(status = ha->isp_ops.chip_diag(ha))) {
3125 if (IS_QLA2100(ha) || IS_QLA2200(ha)) {
3126 status = qla2x00_setup_chip(ha);
3127 goto done;
3128 }
3129
3130 spin_lock_irqsave(&ha->hardware_lock, flags);
3131
3132 if (!IS_QLA24XX(ha) && !IS_QLA25XX(ha)) {
3133 /*
3134 * Disable SRAM, Instruction RAM and GP RAM
3135 * parity.
3136 */
3137 WRT_REG_WORD(&reg->hccr,
3138 (HCCR_ENABLE_PARITY + 0x0));
3139 RD_REG_WORD(&reg->hccr);
3140 }
3141
3142 spin_unlock_irqrestore(&ha->hardware_lock, flags);
3143
3144 status = qla2x00_setup_chip(ha);
3145
3146 spin_lock_irqsave(&ha->hardware_lock, flags);
3147
3148 if (!IS_QLA24XX(ha) && !IS_QLA25XX(ha)) {
3149 /* Enable proper parity */
3150 if (IS_QLA2300(ha))
3151 /* SRAM parity */
3152 WRT_REG_WORD(&reg->hccr,
3153 (HCCR_ENABLE_PARITY + 0x1));
3154 else
3155 /*
3156 * SRAM, Instruction RAM and GP RAM
3157 * parity.
3158 */
3159 WRT_REG_WORD(&reg->hccr,
3160 (HCCR_ENABLE_PARITY + 0x7));
3161 RD_REG_WORD(&reg->hccr);
3162 }
3163
3164 spin_unlock_irqrestore(&ha->hardware_lock, flags);
3165 }
3166 }
3167
3168 done:
3169 if (!status && !(status = qla2x00_init_rings(ha))) {
3170 clear_bit(RESET_MARKER_NEEDED, &ha->dpc_flags);
3171 if (!(status = qla2x00_fw_ready(ha))) {
3172 DEBUG(printk("%s(): Start configure loop, "
3173 "status = %d\n", __func__, status);)
3174
3175 /* Issue a marker after FW becomes ready. */
3176 qla2x00_marker(ha, 0, 0, MK_SYNC_ALL);
3177
3178 ha->flags.online = 1;
3179 /* Wait at most MAX_TARGET RSCNs for a stable link. */
3180 wait_time = 256;
3181 do {
3182 clear_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags);
3183 qla2x00_configure_loop(ha);
3184 wait_time--;
3185 } while (!atomic_read(&ha->loop_down_timer) &&
3186 !(test_bit(ISP_ABORT_NEEDED, &ha->dpc_flags)) &&
3187 wait_time &&
3188 (test_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags)));
3189 }
3190
3191 /* if no cable then assume it's good */
3192 if ((ha->device_flags & DFLG_NO_CABLE))
3193 status = 0;
3194
3195 DEBUG(printk("%s(): Configure loop done, status = 0x%x\n",
3196 __func__,
3197 status);)
3198 }
3199 return (status);
3200 }
3201
3202 /*
3203 * qla2x00_reset_adapter
3204 * Reset adapter.
3205 *
3206 * Input:
3207 * ha = adapter block pointer.
3208 */
3209 void
3210 qla2x00_reset_adapter(scsi_qla_host_t *ha)
3211 {
3212 unsigned long flags = 0;
3213 struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
3214
3215 ha->flags.online = 0;
3216 ha->isp_ops.disable_intrs(ha);
3217
3218 spin_lock_irqsave(&ha->hardware_lock, flags);
3219 WRT_REG_WORD(&reg->hccr, HCCR_RESET_RISC);
3220 RD_REG_WORD(&reg->hccr); /* PCI Posting. */
3221 WRT_REG_WORD(&reg->hccr, HCCR_RELEASE_RISC);
3222 RD_REG_WORD(&reg->hccr); /* PCI Posting. */
3223 spin_unlock_irqrestore(&ha->hardware_lock, flags);
3224 }
3225
3226 void
3227 qla24xx_reset_adapter(scsi_qla_host_t *ha)
3228 {
3229 unsigned long flags = 0;
3230 struct device_reg_24xx __iomem *reg = &ha->iobase->isp24;
3231
3232 ha->flags.online = 0;
3233 ha->isp_ops.disable_intrs(ha);
3234
3235 spin_lock_irqsave(&ha->hardware_lock, flags);
3236 WRT_REG_DWORD(&reg->hccr, HCCRX_SET_RISC_RESET);
3237 RD_REG_DWORD(&reg->hccr);
3238 WRT_REG_DWORD(&reg->hccr, HCCRX_REL_RISC_PAUSE);
3239 RD_REG_DWORD(&reg->hccr);
3240 spin_unlock_irqrestore(&ha->hardware_lock, flags);
3241 }
3242
3243 int
3244 qla24xx_nvram_config(scsi_qla_host_t *ha)
3245 {
3246 int rval;
3247 struct init_cb_24xx *icb;
3248 struct nvram_24xx *nv;
3249 uint32_t *dptr;
3250 uint8_t *dptr1, *dptr2;
3251 uint32_t chksum;
3252 uint16_t cnt;
3253
3254 rval = QLA_SUCCESS;
3255 icb = (struct init_cb_24xx *)ha->init_cb;
3256 nv = (struct nvram_24xx *)ha->request_ring;
3257
3258 /* Determine NVRAM starting address. */
3259 ha->nvram_size = sizeof(struct nvram_24xx);
3260 ha->nvram_base = FA_NVRAM_FUNC0_ADDR;
3261 if (PCI_FUNC(ha->pdev->devfn))
3262 ha->nvram_base = FA_NVRAM_FUNC1_ADDR;
3263
3264 /* Get NVRAM data and calculate checksum. */
3265 dptr = (uint32_t *)nv;
3266 ha->isp_ops.read_nvram(ha, (uint8_t *)dptr, ha->nvram_base,
3267 ha->nvram_size);
3268 for (cnt = 0, chksum = 0; cnt < ha->nvram_size >> 2; cnt++)
3269 chksum += le32_to_cpu(*dptr++);
3270
3271 DEBUG5(printk("scsi(%ld): Contents of NVRAM\n", ha->host_no));
3272 DEBUG5(qla2x00_dump_buffer((uint8_t *)ha->request_ring,
3273 ha->nvram_size));
3274
3275 /* Bad NVRAM data, set defaults parameters. */
3276 if (chksum || nv->id[0] != 'I' || nv->id[1] != 'S' || nv->id[2] != 'P'
3277 || nv->id[3] != ' ' ||
3278 nv->nvram_version < __constant_cpu_to_le16(ICB_VERSION)) {
3279 /* Reset NVRAM data. */
3280 qla_printk(KERN_WARNING, ha, "Inconsistent NVRAM detected: "
3281 "checksum=0x%x id=%c version=0x%x.\n", chksum, nv->id[0],
3282 le16_to_cpu(nv->nvram_version));
3283 qla_printk(KERN_WARNING, ha, "Falling back to functioning (yet "
3284 "invalid -- WWPN) defaults.\n");
3285
3286 /*
3287 * Set default initialization control block.
3288 */
3289 memset(nv, 0, ha->nvram_size);
3290 nv->nvram_version = __constant_cpu_to_le16(ICB_VERSION);
3291 nv->version = __constant_cpu_to_le16(ICB_VERSION);
3292 nv->frame_payload_size = __constant_cpu_to_le16(2048);
3293 nv->execution_throttle = __constant_cpu_to_le16(0xFFFF);
3294 nv->exchange_count = __constant_cpu_to_le16(0);
3295 nv->hard_address = __constant_cpu_to_le16(124);
3296 nv->port_name[0] = 0x21;
3297 nv->port_name[1] = 0x00 + PCI_FUNC(ha->pdev->devfn);
3298 nv->port_name[2] = 0x00;
3299 nv->port_name[3] = 0xe0;
3300 nv->port_name[4] = 0x8b;
3301 nv->port_name[5] = 0x1c;
3302 nv->port_name[6] = 0x55;
3303 nv->port_name[7] = 0x86;
3304 nv->node_name[0] = 0x20;
3305 nv->node_name[1] = 0x00;
3306 nv->node_name[2] = 0x00;
3307 nv->node_name[3] = 0xe0;
3308 nv->node_name[4] = 0x8b;
3309 nv->node_name[5] = 0x1c;
3310 nv->node_name[6] = 0x55;
3311 nv->node_name[7] = 0x86;
3312 nv->login_retry_count = __constant_cpu_to_le16(8);
3313 nv->link_down_timeout = __constant_cpu_to_le16(200);
3314 nv->interrupt_delay_timer = __constant_cpu_to_le16(0);
3315 nv->login_timeout = __constant_cpu_to_le16(0);
3316 nv->firmware_options_1 =
3317 __constant_cpu_to_le32(BIT_14|BIT_13|BIT_2|BIT_1);
3318 nv->firmware_options_2 = __constant_cpu_to_le32(2 << 4);
3319 nv->firmware_options_2 |= __constant_cpu_to_le32(BIT_12);
3320 nv->firmware_options_3 = __constant_cpu_to_le32(2 << 13);
3321 nv->host_p = __constant_cpu_to_le32(BIT_11|BIT_10);
3322 nv->efi_parameters = __constant_cpu_to_le32(0);
3323 nv->reset_delay = 5;
3324 nv->max_luns_per_target = __constant_cpu_to_le16(128);
3325 nv->port_down_retry_count = __constant_cpu_to_le16(30);
3326 nv->link_down_timeout = __constant_cpu_to_le16(30);
3327
3328 rval = 1;
3329 }
3330
3331 /* Reset Initialization control block */
3332 memset(icb, 0, sizeof(struct init_cb_24xx));
3333
3334 /* Copy 1st segment. */
3335 dptr1 = (uint8_t *)icb;
3336 dptr2 = (uint8_t *)&nv->version;
3337 cnt = (uint8_t *)&icb->response_q_inpointer - (uint8_t *)&icb->version;
3338 while (cnt--)
3339 *dptr1++ = *dptr2++;
3340
3341 icb->login_retry_count = nv->login_retry_count;
3342 icb->link_down_timeout = nv->link_down_timeout;
3343
3344 /* Copy 2nd segment. */
3345 dptr1 = (uint8_t *)&icb->interrupt_delay_timer;
3346 dptr2 = (uint8_t *)&nv->interrupt_delay_timer;
3347 cnt = (uint8_t *)&icb->reserved_3 -
3348 (uint8_t *)&icb->interrupt_delay_timer;
3349 while (cnt--)
3350 *dptr1++ = *dptr2++;
3351
3352 /*
3353 * Setup driver NVRAM options.
3354 */
3355 if (memcmp(nv->model_name, BINZERO, sizeof(nv->model_name)) != 0) {
3356 char *st, *en;
3357 uint16_t index;
3358
3359 strncpy(ha->model_number, nv->model_name,
3360 sizeof(nv->model_name));
3361 st = en = ha->model_number;
3362 en += sizeof(nv->model_name) - 1;
3363 while (en > st) {
3364 if (*en != 0x20 && *en != 0x00)
3365 break;
3366 *en-- = '\0';
3367 }
3368
3369 index = (ha->pdev->subsystem_device & 0xff);
3370 if (index < QLA_MODEL_NAMES)
3371 ha->model_desc = qla2x00_model_desc[index];
3372 } else
3373 strcpy(ha->model_number, "QLA2462");
3374
3375 /* Prepare nodename */
3376 if ((icb->firmware_options_1 & BIT_14) == 0) {
3377 /*
3378 * Firmware will apply the following mask if the nodename was
3379 * not provided.
3380 */
3381 memcpy(icb->node_name, icb->port_name, WWN_SIZE);
3382 icb->node_name[0] &= 0xF0;
3383 }
3384
3385 /* Set host adapter parameters. */
3386 ha->flags.disable_risc_code_load = 0;
3387 ha->flags.enable_lip_reset = 1;
3388 ha->flags.enable_lip_full_login = 1;
3389 ha->flags.enable_target_reset = 1;
3390 ha->flags.enable_led_scheme = 0;
3391
3392 ha->operating_mode =
3393 (icb->firmware_options_2 & (BIT_6 | BIT_5 | BIT_4)) >> 4;
3394
3395 memcpy(ha->fw_seriallink_options24, nv->seriallink_options,
3396 sizeof(ha->fw_seriallink_options24));
3397
3398 /* save HBA serial number */
3399 ha->serial0 = icb->port_name[5];
3400 ha->serial1 = icb->port_name[6];
3401 ha->serial2 = icb->port_name[7];
3402 ha->node_name = icb->node_name;
3403 ha->port_name = icb->port_name;
3404
3405 ha->retry_count = le16_to_cpu(nv->login_retry_count);
3406
3407 /* Set minimum login_timeout to 4 seconds. */
3408 if (le16_to_cpu(nv->login_timeout) < ql2xlogintimeout)
3409 nv->login_timeout = cpu_to_le16(ql2xlogintimeout);
3410 if (le16_to_cpu(nv->login_timeout) < 4)
3411 nv->login_timeout = __constant_cpu_to_le16(4);
3412 ha->login_timeout = le16_to_cpu(nv->login_timeout);
3413 icb->login_timeout = cpu_to_le16(nv->login_timeout);
3414
3415 /* Set minimum RATOV to 200 tenths of a second. */
3416 ha->r_a_tov = 200;
3417
3418 ha->loop_reset_delay = nv->reset_delay;
3419
3420 /* Link Down Timeout = 0:
3421 *
3422 * When Port Down timer expires we will start returning
3423 * I/O's to OS with "DID_NO_CONNECT".
3424 *
3425 * Link Down Timeout != 0:
3426 *
3427 * The driver waits for the link to come up after link down
3428 * before returning I/Os to OS with "DID_NO_CONNECT".
3429 */
3430 if (le16_to_cpu(nv->link_down_timeout) == 0) {
3431 ha->loop_down_abort_time =
3432 (LOOP_DOWN_TIME - LOOP_DOWN_TIMEOUT);
3433 } else {
3434 ha->link_down_timeout = le16_to_cpu(nv->link_down_timeout);
3435 ha->loop_down_abort_time =
3436 (LOOP_DOWN_TIME - ha->link_down_timeout);
3437 }
3438
3439 /* Need enough time to try and get the port back. */
3440 ha->port_down_retry_count = le16_to_cpu(nv->port_down_retry_count);
3441 if (qlport_down_retry)
3442 ha->port_down_retry_count = qlport_down_retry;
3443
3444 /* Set login_retry_count */
3445 ha->login_retry_count = le16_to_cpu(nv->login_retry_count);
3446 if (ha->port_down_retry_count ==
3447 le16_to_cpu(nv->port_down_retry_count) &&
3448 ha->port_down_retry_count > 3)
3449 ha->login_retry_count = ha->port_down_retry_count;
3450 else if (ha->port_down_retry_count > (int)ha->login_retry_count)
3451 ha->login_retry_count = ha->port_down_retry_count;
3452 if (ql2xloginretrycount)
3453 ha->login_retry_count = ql2xloginretrycount;
3454
3455 /* Enable ZIO. */
3456 if (!ha->flags.init_done) {
3457 ha->zio_mode = le32_to_cpu(icb->firmware_options_2) &
3458 (BIT_3 | BIT_2 | BIT_1 | BIT_0);
3459 ha->zio_timer = le16_to_cpu(icb->interrupt_delay_timer) ?
3460 le16_to_cpu(icb->interrupt_delay_timer): 2;
3461 }
3462 icb->firmware_options_2 &= __constant_cpu_to_le32(
3463 ~(BIT_3 | BIT_2 | BIT_1 | BIT_0));
3464 ha->flags.process_response_queue = 0;
3465 if (ha->zio_mode != QLA_ZIO_DISABLED) {
3466 DEBUG2(printk("scsi(%ld): ZIO mode %d enabled; timer delay "
3467 "(%d us).\n", ha->host_no, ha->zio_mode,
3468 ha->zio_timer * 100));
3469 qla_printk(KERN_INFO, ha,
3470 "ZIO mode %d enabled; timer delay (%d us).\n",
3471 ha->zio_mode, ha->zio_timer * 100);
3472
3473 icb->firmware_options_2 |= cpu_to_le32(
3474 (uint32_t)ha->zio_mode);
3475 icb->interrupt_delay_timer = cpu_to_le16(ha->zio_timer);
3476 ha->flags.process_response_queue = 1;
3477 }
3478
3479 if (rval) {
3480 DEBUG2_3(printk(KERN_WARNING
3481 "scsi(%ld): NVRAM configuration failed!\n", ha->host_no));
3482 }
3483 return (rval);
3484 }
3485
3486 #if defined(CONFIG_SCSI_QLA2XXX_EMBEDDED_FIRMWARE)
3487
3488 int
3489 qla2x00_load_risc(scsi_qla_host_t *ha, uint32_t *srisc_addr)
3490 {
3491 int rval, num, i;
3492 uint32_t cnt;
3493 uint16_t *risc_code;
3494 uint32_t risc_addr, risc_size;
3495 uint16_t *req_ring;
3496 struct qla_fw_info *fw_iter;
3497
3498 rval = QLA_SUCCESS;
3499
3500 /* Load firmware sequences */
3501 fw_iter = ha->brd_info->fw_info;
3502 *srisc_addr = *ha->brd_info->fw_info->fwstart;
3503 while (fw_iter->addressing != FW_INFO_ADDR_NOMORE) {
3504 risc_code = fw_iter->fwcode;
3505 risc_size = *fw_iter->fwlen;
3506 if (fw_iter->addressing == FW_INFO_ADDR_NORMAL)
3507 risc_addr = *fw_iter->fwstart;
3508 else
3509 risc_addr = *fw_iter->lfwstart;
3510
3511 num = 0;
3512 rval = 0;
3513 while (risc_size > 0 && !rval) {
3514 cnt = (uint16_t)(ha->fw_transfer_size >> 1);
3515 if (cnt > risc_size)
3516 cnt = risc_size;
3517
3518 DEBUG7(printk("scsi(%ld): Loading risc segment@ "
3519 "addr %p, number of bytes 0x%x, offset 0x%lx.\n",
3520 ha->host_no, risc_code, cnt, risc_addr));
3521
3522 req_ring = (uint16_t *)ha->request_ring;
3523 for (i = 0; i < cnt; i++)
3524 req_ring[i] = cpu_to_le16(risc_code[i]);
3525
3526 rval = qla2x00_load_ram(ha, ha->request_dma, risc_addr,
3527 cnt);
3528 if (rval) {
3529 DEBUG(printk("scsi(%ld): [ERROR] Failed to "
3530 "load segment %d of firmware\n",
3531 ha->host_no, num));
3532 qla_printk(KERN_WARNING, ha,
3533 "[ERROR] Failed to load segment %d of "
3534 "firmware\n", num);
3535
3536 qla2x00_dump_regs(ha);
3537 break;
3538 }
3539
3540 risc_code += cnt;
3541 risc_addr += cnt;
3542 risc_size -= cnt;
3543 num++;
3544 }
3545
3546 /* Next firmware sequence */
3547 fw_iter++;
3548 }
3549 return rval;
3550 }
3551
3552 int
3553 qla24xx_load_risc(scsi_qla_host_t *ha, uint32_t *srisc_addr)
3554 {
3555 int rval, num, i;
3556 uint32_t cnt;
3557 uint32_t *risc_code;
3558 uint32_t risc_addr, risc_size;
3559 uint32_t *req_ring;
3560 struct qla_fw_info *fw_iter;
3561
3562 rval = QLA_SUCCESS;
3563
3564 /* Load firmware sequences */
3565 fw_iter = ha->brd_info->fw_info;
3566 *srisc_addr = *((uint32_t *)fw_iter->lfwstart);
3567 while (fw_iter->addressing != FW_INFO_ADDR_NOMORE) {
3568 risc_code = (uint32_t *)fw_iter->fwcode;
3569 risc_size = *((uint32_t *)fw_iter->fwlen);
3570 risc_addr = *((uint32_t *)fw_iter->lfwstart);
3571
3572 num = 0;
3573 rval = 0;
3574 while (risc_size > 0 && !rval) {
3575 cnt = (uint32_t)(ha->fw_transfer_size >> 2);
3576 if (cnt > risc_size)
3577 cnt = risc_size;
3578
3579 DEBUG7(printk("scsi(%ld): Loading risc segment@ "
3580 "addr %p, number of bytes 0x%x, offset 0x%lx.\n",
3581 ha->host_no, risc_code, cnt, risc_addr));
3582
3583 req_ring = (uint32_t *)ha->request_ring;
3584 for (i = 0; i < cnt; i++)
3585 req_ring[i] = cpu_to_le32(risc_code[i]);
3586
3587 rval = qla2x00_load_ram(ha, ha->request_dma, risc_addr,
3588 cnt);
3589 if (rval) {
3590 DEBUG(printk("scsi(%ld): [ERROR] Failed to "
3591 "load segment %d of firmware\n",
3592 ha->host_no, num));
3593 qla_printk(KERN_WARNING, ha,
3594 "[ERROR] Failed to load segment %d of "
3595 "firmware\n", num);
3596
3597 qla2x00_dump_regs(ha);
3598 break;
3599 }
3600
3601 risc_code += cnt;
3602 risc_addr += cnt;
3603 risc_size -= cnt;
3604 num++;
3605 }
3606
3607 /* Next firmware sequence */
3608 fw_iter++;
3609 }
3610 return rval;
3611 }
3612
3613 int
3614 qla24xx_load_risc_flash(scsi_qla_host_t *ha, uint32_t *srisc_addr)
3615 {
3616 int rval;
3617 int segments, fragment;
3618 uint32_t faddr;
3619 uint32_t *dcode, dlen;
3620 uint32_t risc_addr;
3621 uint32_t risc_size;
3622 uint32_t i;
3623
3624 rval = QLA_SUCCESS;
3625
3626 segments = FA_RISC_CODE_SEGMENTS;
3627 faddr = FA_RISC_CODE_ADDR;
3628 dcode = (uint32_t *)ha->request_ring;
3629 *srisc_addr = 0;
3630
3631 /* Validate firmware image by checking version. */
3632 qla24xx_read_flash_data(ha, dcode, faddr + 4, 4);
3633 for (i = 0; i < 4; i++)
3634 dcode[i] = be32_to_cpu(dcode[i]);
3635 if ((dcode[0] == 0xffffffff && dcode[1] == 0xffffffff &&
3636 dcode[2] == 0xffffffff && dcode[3] == 0xffffffff) ||
3637 (dcode[0] == 0 && dcode[1] == 0 && dcode[2] == 0 &&
3638 dcode[3] == 0)) {
3639 qla_printk(KERN_WARNING, ha,
3640 "Unable to verify integrity of flash firmware image!\n");
3641 qla_printk(KERN_WARNING, ha,
3642 "Firmware data: %08x %08x %08x %08x!\n", dcode[0],
3643 dcode[1], dcode[2], dcode[3]);
3644
3645 return QLA_FUNCTION_FAILED;
3646 }
3647
3648 while (segments && rval == QLA_SUCCESS) {
3649 /* Read segment's load information. */
3650 qla24xx_read_flash_data(ha, dcode, faddr, 4);
3651
3652 risc_addr = be32_to_cpu(dcode[2]);
3653 *srisc_addr = *srisc_addr == 0 ? risc_addr : *srisc_addr;
3654 risc_size = be32_to_cpu(dcode[3]);
3655
3656 fragment = 0;
3657 while (risc_size > 0 && rval == QLA_SUCCESS) {
3658 dlen = (uint32_t)(ha->fw_transfer_size >> 2);
3659 if (dlen > risc_size)
3660 dlen = risc_size;
3661
3662 DEBUG7(printk("scsi(%ld): Loading risc segment@ risc "
3663 "addr %x, number of dwords 0x%x, offset 0x%x.\n",
3664 ha->host_no, risc_addr, dlen, faddr));
3665
3666 qla24xx_read_flash_data(ha, dcode, faddr, dlen);
3667 for (i = 0; i < dlen; i++)
3668 dcode[i] = swab32(dcode[i]);
3669
3670 rval = qla2x00_load_ram_ext(ha, ha->request_dma,
3671 risc_addr, dlen);
3672 if (rval) {
3673 DEBUG(printk("scsi(%ld):[ERROR] Failed to load "
3674 "segment %d of firmware\n", ha->host_no,
3675 fragment));
3676 qla_printk(KERN_WARNING, ha,
3677 "[ERROR] Failed to load segment %d of "
3678 "firmware\n", fragment);
3679 break;
3680 }
3681
3682 faddr += dlen;
3683 risc_addr += dlen;
3684 risc_size -= dlen;
3685 fragment++;
3686 }
3687
3688 /* Next segment. */
3689 segments--;
3690 }
3691
3692 return rval;
3693 }
3694
3695 #else /* !defined(CONFIG_SCSI_QLA2XXX_EMBEDDED_FIRMWARE) */
3696
3697 int
3698 qla2x00_load_risc(scsi_qla_host_t *ha, uint32_t *srisc_addr)
3699 {
3700 int rval;
3701 int i, fragment;
3702 uint16_t *wcode, *fwcode;
3703 uint32_t risc_addr, risc_size, fwclen, wlen, *seg;
3704 struct fw_blob *blob;
3705
3706 /* Load firmware blob. */
3707 blob = qla2x00_request_firmware(ha);
3708 if (!blob) {
3709 qla_printk(KERN_ERR, ha, "Firmware image unavailable.\n");
3710 return QLA_FUNCTION_FAILED;
3711 }
3712
3713 rval = QLA_SUCCESS;
3714
3715 wcode = (uint16_t *)ha->request_ring;
3716 *srisc_addr = 0;
3717 fwcode = (uint16_t *)blob->fw->data;
3718 fwclen = 0;
3719
3720 /* Validate firmware image by checking version. */
3721 if (blob->fw->size < 8 * sizeof(uint16_t)) {
3722 qla_printk(KERN_WARNING, ha,
3723 "Unable to verify integrity of firmware image (%Zd)!\n",
3724 blob->fw->size);
3725 goto fail_fw_integrity;
3726 }
3727 for (i = 0; i < 4; i++)
3728 wcode[i] = be16_to_cpu(fwcode[i + 4]);
3729 if ((wcode[0] == 0xffff && wcode[1] == 0xffff && wcode[2] == 0xffff &&
3730 wcode[3] == 0xffff) || (wcode[0] == 0 && wcode[1] == 0 &&
3731 wcode[2] == 0 && wcode[3] == 0)) {
3732 qla_printk(KERN_WARNING, ha,
3733 "Unable to verify integrity of firmware image!\n");
3734 qla_printk(KERN_WARNING, ha,
3735 "Firmware data: %04x %04x %04x %04x!\n", wcode[0],
3736 wcode[1], wcode[2], wcode[3]);
3737 goto fail_fw_integrity;
3738 }
3739
3740 seg = blob->segs;
3741 while (*seg && rval == QLA_SUCCESS) {
3742 risc_addr = *seg;
3743 *srisc_addr = *srisc_addr == 0 ? *seg : *srisc_addr;
3744 risc_size = be16_to_cpu(fwcode[3]);
3745
3746 /* Validate firmware image size. */
3747 fwclen += risc_size * sizeof(uint16_t);
3748 if (blob->fw->size < fwclen) {
3749 qla_printk(KERN_WARNING, ha,
3750 "Unable to verify integrity of firmware image "
3751 "(%Zd)!\n", blob->fw->size);
3752 goto fail_fw_integrity;
3753 }
3754
3755 fragment = 0;
3756 while (risc_size > 0 && rval == QLA_SUCCESS) {
3757 wlen = (uint16_t)(ha->fw_transfer_size >> 1);
3758 if (wlen > risc_size)
3759 wlen = risc_size;
3760
3761 DEBUG7(printk("scsi(%ld): Loading risc segment@ risc "
3762 "addr %x, number of words 0x%x.\n", ha->host_no,
3763 risc_addr, wlen));
3764
3765 for (i = 0; i < wlen; i++)
3766 wcode[i] = swab16(fwcode[i]);
3767
3768 rval = qla2x00_load_ram(ha, ha->request_dma, risc_addr,
3769 wlen);
3770 if (rval) {
3771 DEBUG(printk("scsi(%ld):[ERROR] Failed to load "
3772 "segment %d of firmware\n", ha->host_no,
3773 fragment));
3774 qla_printk(KERN_WARNING, ha,
3775 "[ERROR] Failed to load segment %d of "
3776 "firmware\n", fragment);
3777 break;
3778 }
3779
3780 fwcode += wlen;
3781 risc_addr += wlen;
3782 risc_size -= wlen;
3783 fragment++;
3784 }
3785
3786 /* Next segment. */
3787 seg++;
3788 }
3789 return rval;
3790
3791 fail_fw_integrity:
3792 return QLA_FUNCTION_FAILED;
3793 }
3794
3795 int
3796 qla24xx_load_risc(scsi_qla_host_t *ha, uint32_t *srisc_addr)
3797 {
3798 int rval;
3799 int segments, fragment;
3800 uint32_t *dcode, dlen;
3801 uint32_t risc_addr;
3802 uint32_t risc_size;
3803 uint32_t i;
3804 struct fw_blob *blob;
3805 uint32_t *fwcode, fwclen;
3806
3807 /* Load firmware blob. */
3808 blob = qla2x00_request_firmware(ha);
3809 if (!blob) {
3810 qla_printk(KERN_ERR, ha, "Firmware image unavailable.\n");
3811 return QLA_FUNCTION_FAILED;
3812 }
3813
3814 rval = QLA_SUCCESS;
3815
3816 segments = FA_RISC_CODE_SEGMENTS;
3817 dcode = (uint32_t *)ha->request_ring;
3818 *srisc_addr = 0;
3819 fwcode = (uint32_t *)blob->fw->data;
3820 fwclen = 0;
3821
3822 /* Validate firmware image by checking version. */
3823 if (blob->fw->size < 8 * sizeof(uint32_t)) {
3824 qla_printk(KERN_WARNING, ha,
3825 "Unable to verify integrity of firmware image (%Zd)!\n",
3826 blob->fw->size);
3827 goto fail_fw_integrity;
3828 }
3829 for (i = 0; i < 4; i++)
3830 dcode[i] = be32_to_cpu(fwcode[i + 4]);
3831 if ((dcode[0] == 0xffffffff && dcode[1] == 0xffffffff &&
3832 dcode[2] == 0xffffffff && dcode[3] == 0xffffffff) ||
3833 (dcode[0] == 0 && dcode[1] == 0 && dcode[2] == 0 &&
3834 dcode[3] == 0)) {
3835 qla_printk(KERN_WARNING, ha,
3836 "Unable to verify integrity of firmware image!\n");
3837 qla_printk(KERN_WARNING, ha,
3838 "Firmware data: %08x %08x %08x %08x!\n", dcode[0],
3839 dcode[1], dcode[2], dcode[3]);
3840 goto fail_fw_integrity;
3841 }
3842
3843 while (segments && rval == QLA_SUCCESS) {
3844 risc_addr = be32_to_cpu(fwcode[2]);
3845 *srisc_addr = *srisc_addr == 0 ? risc_addr : *srisc_addr;
3846 risc_size = be32_to_cpu(fwcode[3]);
3847
3848 /* Validate firmware image size. */
3849 fwclen += risc_size * sizeof(uint32_t);
3850 if (blob->fw->size < fwclen) {
3851 qla_printk(KERN_WARNING, ha,
3852 "Unable to verify integrity of firmware image "
3853 "(%Zd)!\n", blob->fw->size);
3854
3855 goto fail_fw_integrity;
3856 }
3857
3858 fragment = 0;
3859 while (risc_size > 0 && rval == QLA_SUCCESS) {
3860 dlen = (uint32_t)(ha->fw_transfer_size >> 2);
3861 if (dlen > risc_size)
3862 dlen = risc_size;
3863
3864 DEBUG7(printk("scsi(%ld): Loading risc segment@ risc "
3865 "addr %x, number of dwords 0x%x.\n", ha->host_no,
3866 risc_addr, dlen));
3867
3868 for (i = 0; i < dlen; i++)
3869 dcode[i] = swab32(fwcode[i]);
3870
3871 rval = qla2x00_load_ram_ext(ha, ha->request_dma,
3872 risc_addr, dlen);
3873 if (rval) {
3874 DEBUG(printk("scsi(%ld):[ERROR] Failed to load "
3875 "segment %d of firmware\n", ha->host_no,
3876 fragment));
3877 qla_printk(KERN_WARNING, ha,
3878 "[ERROR] Failed to load segment %d of "
3879 "firmware\n", fragment);
3880 break;
3881 }
3882
3883 fwcode += dlen;
3884 risc_addr += dlen;
3885 risc_size -= dlen;
3886 fragment++;
3887 }
3888
3889 /* Next segment. */
3890 segments--;
3891 }
3892 return rval;
3893
3894 fail_fw_integrity:
3895 return QLA_FUNCTION_FAILED;
3896 }
3897 #endif
Support for the Chinese Samsung S3C2440 based development boards