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[SCSI] qla2xxx: Change GFP_ATOMIC to GFP_KERNEL for non-atomic allocations.
[net-next-2.6.git] / drivers / scsi / qla2xxx / qla_init.c
CommitLineData
1da177e4 1/*
fa90c54f 2 * QLogic Fibre Channel HBA Driver
01e58d8e 3 * Copyright (c) 2003-2008 QLogic Corporation
1da177e4 4 *
fa90c54f 5 * See LICENSE.qla2xxx for copyright and licensing details.
1da177e4
LT		 6 */
7#include "qla_def.h"
8
9#include <linux/delay.h>
0107109e 10#include <linux/vmalloc.h>
1da177e4
LT		 11
12#include "qla_devtbl.h"
13
4e08df3f
DM		 14#ifdef CONFIG_SPARC
15#include <asm/prom.h>
4e08df3f
DM		 16#endif
17
1da177e4
LT		 18/*
19* QLogic ISP2x00 Hardware Support Function Prototypes.
20*/
1da177e4 21static int qla2x00_isp_firmware(scsi_qla_host_t *);
1da177e4
LT		 22static void qla2x00_resize_request_q(scsi_qla_host_t *);
23static int qla2x00_setup_chip(scsi_qla_host_t *);
24static void qla2x00_init_response_q_entries(scsi_qla_host_t *);
25static int qla2x00_init_rings(scsi_qla_host_t *);
26static int qla2x00_fw_ready(scsi_qla_host_t *);
27static int qla2x00_configure_hba(scsi_qla_host_t *);
1da177e4
LT		 28static int qla2x00_configure_loop(scsi_qla_host_t *);
29static int qla2x00_configure_local_loop(scsi_qla_host_t *);
1da177e4
LT		 30static int qla2x00_configure_fabric(scsi_qla_host_t *);
31static int qla2x00_find_all_fabric_devs(scsi_qla_host_t *, struct list_head *);
32static int qla2x00_device_resync(scsi_qla_host_t *);
33static int qla2x00_fabric_dev_login(scsi_qla_host_t *, fc_port_t *,
34 uint16_t *);
1da177e4
LT		 35
36static int qla2x00_restart_isp(scsi_qla_host_t *);
1da177e4 37
413975a0
AB		 38static int qla2x00_find_new_loop_id(scsi_qla_host_t *ha, fc_port_t *dev);
39
4d4df193
HK		 40static struct qla_chip_state_84xx *qla84xx_get_chip(struct scsi_qla_host *);
41static int qla84xx_init_chip(scsi_qla_host_t *);
42
1da177e4
LT		 43/****************************************************************************/
44/* QLogic ISP2x00 Hardware Support Functions. */
45/****************************************************************************/
46
47/*
48* qla2x00_initialize_adapter
49* Initialize board.
50*
51* Input:
52* ha = adapter block pointer.
53*
54* Returns:
55* 0 = success
56*/
57int
58qla2x00_initialize_adapter(scsi_qla_host_t *ha)
59{
60 int rval;
1da177e4
LT		 61
62 /* Clear adapter flags. */
63 ha->flags.online = 0;
64 ha->flags.reset_active = 0;
65 atomic_set(&ha->loop_down_timer, LOOP_DOWN_TIME);
66 atomic_set(&ha->loop_state, LOOP_DOWN);
2603221a 67 ha->device_flags = DFLG_NO_CABLE;
1da177e4 68 ha->dpc_flags = 0;
1da177e4
LT		 69 ha->flags.management_server_logged_in = 0;
70 ha->marker_needed = 0;
71 ha->mbx_flags = 0;
72 ha->isp_abort_cnt = 0;
73 ha->beacon_blink_led = 0;
cca5335c 74 set_bit(REGISTER_FDMI_NEEDED, &ha->dpc_flags);
1da177e4 75
0107109e 76 qla_printk(KERN_INFO, ha, "Configuring PCI space...\n");
fd34f556 77 rval = ha->isp_ops->pci_config(ha);
1da177e4 78 if (rval) {
7c98a046 79 DEBUG2(printk("scsi(%ld): Unable to configure PCI space.\n",
1da177e4
LT		 80 ha->host_no));
81 return (rval);
82 }
83
fd34f556 84 ha->isp_ops->reset_chip(ha);
1da177e4 85
fd34f556 86 ha->isp_ops->get_flash_version(ha, ha->request_ring);
30c47662 87
1da177e4 88 qla_printk(KERN_INFO, ha, "Configure NVRAM parameters...\n");
0107109e 89
fd34f556 90 ha->isp_ops->nvram_config(ha);
1da177e4 91
d4c760c2
AV		 92 if (ha->flags.disable_serdes) {
93 /* Mask HBA via NVRAM settings? */
94 qla_printk(KERN_INFO, ha, "Masking HBA WWPN "
95 "%02x%02x%02x%02x%02x%02x%02x%02x (via NVRAM).\n",
96 ha->port_name[0], ha->port_name[1],
97 ha->port_name[2], ha->port_name[3],
98 ha->port_name[4], ha->port_name[5],
99 ha->port_name[6], ha->port_name[7]);
100 return QLA_FUNCTION_FAILED;
101 }
102
1da177e4
LT		 103 qla_printk(KERN_INFO, ha, "Verifying loaded RISC code...\n");
104
d19044c3 105 if (qla2x00_isp_firmware(ha) != QLA_SUCCESS) {
fd34f556 106 rval = ha->isp_ops->chip_diag(ha);
d19044c3
AV		 107 if (rval)
108 return (rval);
109 rval = qla2x00_setup_chip(ha);
110 if (rval)
111 return (rval);
7d232c74 112 qla2xxx_get_flash_info(ha);
1da177e4 113 }
4d4df193
HK		 114 if (IS_QLA84XX(ha)) {
115 ha->cs84xx = qla84xx_get_chip(ha);
116 if (!ha->cs84xx) {
117 qla_printk(KERN_ERR, ha,
118 "Unable to configure ISP84XX.\n");
119 return QLA_FUNCTION_FAILED;
120 }
121 }
d19044c3 122 rval = qla2x00_init_rings(ha);
1da177e4
LT		 123
124 return (rval);
125}
126
127/**
abbd8870 128 * qla2100_pci_config() - Setup ISP21xx PCI configuration registers.
1da177e4
LT		 129 * @ha: HA context
130 *
131 * Returns 0 on success.
132 */
abbd8870
AV		 133int
134qla2100_pci_config(scsi_qla_host_t *ha)
1da177e4 135{
a157b101 136 uint16_t w;
27b2f679 137 uint32_t d;
abbd8870 138 unsigned long flags;
3d71644c 139 struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
1da177e4 140
1da177e4 141 pci_set_master(ha->pdev);
af6177d8 142 pci_try_set_mwi(ha->pdev);
1da177e4 143
1da177e4 144 pci_read_config_word(ha->pdev, PCI_COMMAND, &w);
a157b101 145 w |= (PCI_COMMAND_PARITY | PCI_COMMAND_SERR);
abbd8870
AV		 146 pci_write_config_word(ha->pdev, PCI_COMMAND, w);
147
148 /* Reset expansion ROM address decode enable */
27b2f679
AK		 149 pci_read_config_dword(ha->pdev, PCI_ROM_ADDRESS, &d);
150 d &= ~PCI_ROM_ADDRESS_ENABLE;
151 pci_write_config_dword(ha->pdev, PCI_ROM_ADDRESS, d);
1da177e4
LT		 152
153 /* Get PCI bus information. */
154 spin_lock_irqsave(&ha->hardware_lock, flags);
3d71644c 155 ha->pci_attr = RD_REG_WORD(&reg->ctrl_status);
1da177e4
LT		 156 spin_unlock_irqrestore(&ha->hardware_lock, flags);
157
abbd8870
AV		 158 return QLA_SUCCESS;
159}
1da177e4 160
abbd8870
AV		 161/**
162 * qla2300_pci_config() - Setup ISP23xx PCI configuration registers.
163 * @ha: HA context
164 *
165 * Returns 0 on success.
166 */
167int
168qla2300_pci_config(scsi_qla_host_t *ha)
169{
a157b101 170 uint16_t w;
27b2f679 171 uint32_t d;
abbd8870
AV		 172 unsigned long flags = 0;
173 uint32_t cnt;
3d71644c 174 struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
1da177e4 175
abbd8870 176 pci_set_master(ha->pdev);
af6177d8 177 pci_try_set_mwi(ha->pdev);
1da177e4 178
abbd8870 179 pci_read_config_word(ha->pdev, PCI_COMMAND, &w);
a157b101 180 w |= (PCI_COMMAND_PARITY | PCI_COMMAND_SERR);
1da177e4 181
abbd8870
AV		 182 if (IS_QLA2322(ha) || IS_QLA6322(ha))
183 w &= ~PCI_COMMAND_INTX_DISABLE;
a157b101 184 pci_write_config_word(ha->pdev, PCI_COMMAND, w);
1da177e4 185
abbd8870
AV		 186 /*
187 * If this is a 2300 card and not 2312, reset the
188 * COMMAND_INVALIDATE due to a bug in the 2300. Unfortunately,
189 * the 2310 also reports itself as a 2300 so we need to get the
190 * fb revision level -- a 6 indicates it really is a 2300 and
191 * not a 2310.
192 */
193 if (IS_QLA2300(ha)) {
194 spin_lock_irqsave(&ha->hardware_lock, flags);
1da177e4 195
abbd8870 196 /* Pause RISC. */
3d71644c 197 WRT_REG_WORD(&reg->hccr, HCCR_PAUSE_RISC);
abbd8870 198 for (cnt = 0; cnt < 30000; cnt++) {
3d71644c 199 if ((RD_REG_WORD(&reg->hccr) & HCCR_RISC_PAUSE) != 0)
abbd8870 200 break;
1da177e4 201
abbd8870
AV		 202 udelay(10);
203 }
1da177e4 204
abbd8870 205 /* Select FPM registers. */
3d71644c
AV		 206 WRT_REG_WORD(&reg->ctrl_status, 0x20);
207 RD_REG_WORD(&reg->ctrl_status);
abbd8870
AV		 208
209 /* Get the fb rev level */
3d71644c 210 ha->fb_rev = RD_FB_CMD_REG(ha, reg);
abbd8870
AV		 211
212 if (ha->fb_rev == FPM_2300)
a157b101 213 pci_clear_mwi(ha->pdev);
abbd8870
AV		 214
215 /* Deselect FPM registers. */
3d71644c
AV		 216 WRT_REG_WORD(&reg->ctrl_status, 0x0);
217 RD_REG_WORD(&reg->ctrl_status);
abbd8870
AV		 218
219 /* Release RISC module. */
3d71644c 220 WRT_REG_WORD(&reg->hccr, HCCR_RELEASE_RISC);
abbd8870 221 for (cnt = 0; cnt < 30000; cnt++) {
3d71644c 222 if ((RD_REG_WORD(&reg->hccr) & HCCR_RISC_PAUSE) == 0)
abbd8870
AV		 223 break;
224
225 udelay(10);
1da177e4 226 }
1da177e4 227
abbd8870
AV		 228 spin_unlock_irqrestore(&ha->hardware_lock, flags);
229 }
1da177e4 230
abbd8870
AV		 231 pci_write_config_byte(ha->pdev, PCI_LATENCY_TIMER, 0x80);
232
1da177e4 233 /* Reset expansion ROM address decode enable */
27b2f679
AK		 234 pci_read_config_dword(ha->pdev, PCI_ROM_ADDRESS, &d);
235 d &= ~PCI_ROM_ADDRESS_ENABLE;
236 pci_write_config_dword(ha->pdev, PCI_ROM_ADDRESS, d);
1da177e4 237
abbd8870
AV		 238 /* Get PCI bus information. */
239 spin_lock_irqsave(&ha->hardware_lock, flags);
3d71644c 240 ha->pci_attr = RD_REG_WORD(&reg->ctrl_status);
abbd8870
AV		 241 spin_unlock_irqrestore(&ha->hardware_lock, flags);
242
243 return QLA_SUCCESS;
1da177e4
LT		 244}
245
0107109e
AV		 246/**
247 * qla24xx_pci_config() - Setup ISP24xx PCI configuration registers.
248 * @ha: HA context
249 *
250 * Returns 0 on success.
251 */
252int
253qla24xx_pci_config(scsi_qla_host_t *ha)
254{
a157b101 255 uint16_t w;
27b2f679 256 uint32_t d;
0107109e
AV		 257 unsigned long flags = 0;
258 struct device_reg_24xx __iomem *reg = &ha->iobase->isp24;
0107109e
AV		 259
260 pci_set_master(ha->pdev);
af6177d8 261 pci_try_set_mwi(ha->pdev);
0107109e
AV		 262
263 pci_read_config_word(ha->pdev, PCI_COMMAND, &w);
a157b101 264 w |= (PCI_COMMAND_PARITY | PCI_COMMAND_SERR);
0107109e
AV		 265 w &= ~PCI_COMMAND_INTX_DISABLE;
266 pci_write_config_word(ha->pdev, PCI_COMMAND, w);
267
268 pci_write_config_byte(ha->pdev, PCI_LATENCY_TIMER, 0x80);
269
270 /* PCI-X -- adjust Maximum Memory Read Byte Count (2048). */
f85ec187
AV		 271 if (pci_find_capability(ha->pdev, PCI_CAP_ID_PCIX))
272 pcix_set_mmrbc(ha->pdev, 2048);
0107109e
AV		 273
274 /* PCIe -- adjust Maximum Read Request Size (2048). */
f85ec187
AV		 275 if (pci_find_capability(ha->pdev, PCI_CAP_ID_EXP))
276 pcie_set_readrq(ha->pdev, 2048);
0107109e
AV		 277
278 /* Reset expansion ROM address decode enable */
27b2f679
AK		 279 pci_read_config_dword(ha->pdev, PCI_ROM_ADDRESS, &d);
280 d &= ~PCI_ROM_ADDRESS_ENABLE;
281 pci_write_config_dword(ha->pdev, PCI_ROM_ADDRESS, d);
0107109e 282
44c10138 283 ha->chip_revision = ha->pdev->revision;
a8488abe 284
0107109e
AV		 285 /* Get PCI bus information. */
286 spin_lock_irqsave(&ha->hardware_lock, flags);
287 ha->pci_attr = RD_REG_DWORD(&reg->ctrl_status);
288 spin_unlock_irqrestore(&ha->hardware_lock, flags);
289
290 return QLA_SUCCESS;
291}
292
c3a2f0df
AV		 293/**
294 * qla25xx_pci_config() - Setup ISP25xx PCI configuration registers.
295 * @ha: HA context
296 *
297 * Returns 0 on success.
298 */
299int
300qla25xx_pci_config(scsi_qla_host_t *ha)
301{
302 uint16_t w;
303 uint32_t d;
304
305 pci_set_master(ha->pdev);
306 pci_try_set_mwi(ha->pdev);
307
308 pci_read_config_word(ha->pdev, PCI_COMMAND, &w);
309 w |= (PCI_COMMAND_PARITY | PCI_COMMAND_SERR);
310 w &= ~PCI_COMMAND_INTX_DISABLE;
311 pci_write_config_word(ha->pdev, PCI_COMMAND, w);
312
313 /* PCIe -- adjust Maximum Read Request Size (2048). */
314 if (pci_find_capability(ha->pdev, PCI_CAP_ID_EXP))
315 pcie_set_readrq(ha->pdev, 2048);
316
317 /* Reset expansion ROM address decode enable */
318 pci_read_config_dword(ha->pdev, PCI_ROM_ADDRESS, &d);
319 d &= ~PCI_ROM_ADDRESS_ENABLE;
320 pci_write_config_dword(ha->pdev, PCI_ROM_ADDRESS, d);
321
322 ha->chip_revision = ha->pdev->revision;
323
324 return QLA_SUCCESS;
325}
326
1da177e4
LT		 327/**
328 * qla2x00_isp_firmware() - Choose firmware image.
329 * @ha: HA context
330 *
331 * Returns 0 on success.
332 */
333static int
334qla2x00_isp_firmware(scsi_qla_host_t *ha)
335{
336 int rval;
42e421b1
AV		 337 uint16_t loop_id, topo, sw_cap;
338 uint8_t domain, area, al_pa;
1da177e4
LT		 339
340 /* Assume loading risc code */
fa2a1ce5 341 rval = QLA_FUNCTION_FAILED;
1da177e4
LT		 342
343 if (ha->flags.disable_risc_code_load) {
344 DEBUG2(printk("scsi(%ld): RISC CODE NOT loaded\n",
345 ha->host_no));
346 qla_printk(KERN_INFO, ha, "RISC CODE NOT loaded\n");
347
348 /* Verify checksum of loaded RISC code. */
441d1072 349 rval = qla2x00_verify_checksum(ha, ha->fw_srisc_address);
42e421b1
AV		 350 if (rval == QLA_SUCCESS) {
351 /* And, verify we are not in ROM code. */
352 rval = qla2x00_get_adapter_id(ha, &loop_id, &al_pa,
353 &area, &domain, &topo, &sw_cap);
354 }
1da177e4
LT		 355 }
356
357 if (rval) {
358 DEBUG2_3(printk("scsi(%ld): **** Load RISC code ****\n",
359 ha->host_no));
360 }
361
362 return (rval);
363}
364
365/**
366 * qla2x00_reset_chip() - Reset ISP chip.
367 * @ha: HA context
368 *
369 * Returns 0 on success.
370 */
abbd8870 371void
fa2a1ce5 372qla2x00_reset_chip(scsi_qla_host_t *ha)
1da177e4
LT		 373{
374 unsigned long flags = 0;
3d71644c 375 struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
1da177e4 376 uint32_t cnt;
1da177e4
LT		 377 uint16_t cmd;
378
fd34f556 379 ha->isp_ops->disable_intrs(ha);
1da177e4
LT		 380
381 spin_lock_irqsave(&ha->hardware_lock, flags);
382
383 /* Turn off master enable */
384 cmd = 0;
385 pci_read_config_word(ha->pdev, PCI_COMMAND, &cmd);
386 cmd &= ~PCI_COMMAND_MASTER;
387 pci_write_config_word(ha->pdev, PCI_COMMAND, cmd);
388
389 if (!IS_QLA2100(ha)) {
390 /* Pause RISC. */
391 WRT_REG_WORD(&reg->hccr, HCCR_PAUSE_RISC);
392 if (IS_QLA2200(ha) || IS_QLA2300(ha)) {
393 for (cnt = 0; cnt < 30000; cnt++) {
394 if ((RD_REG_WORD(&reg->hccr) &
395 HCCR_RISC_PAUSE) != 0)
396 break;
397 udelay(100);
398 }
399 } else {
400 RD_REG_WORD(&reg->hccr); /* PCI Posting. */
401 udelay(10);
402 }
403
404 /* Select FPM registers. */
405 WRT_REG_WORD(&reg->ctrl_status, 0x20);
406 RD_REG_WORD(&reg->ctrl_status); /* PCI Posting. */
407
408 /* FPM Soft Reset. */
409 WRT_REG_WORD(&reg->fpm_diag_config, 0x100);
410 RD_REG_WORD(&reg->fpm_diag_config); /* PCI Posting. */
411
412 /* Toggle Fpm Reset. */
413 if (!IS_QLA2200(ha)) {
414 WRT_REG_WORD(&reg->fpm_diag_config, 0x0);
415 RD_REG_WORD(&reg->fpm_diag_config); /* PCI Posting. */
416 }
417
418 /* Select frame buffer registers. */
419 WRT_REG_WORD(&reg->ctrl_status, 0x10);
420 RD_REG_WORD(&reg->ctrl_status); /* PCI Posting. */
421
422 /* Reset frame buffer FIFOs. */
423 if (IS_QLA2200(ha)) {
424 WRT_FB_CMD_REG(ha, reg, 0xa000);
425 RD_FB_CMD_REG(ha, reg); /* PCI Posting. */
426 } else {
427 WRT_FB_CMD_REG(ha, reg, 0x00fc);
428
429 /* Read back fb_cmd until zero or 3 seconds max */
430 for (cnt = 0; cnt < 3000; cnt++) {
431 if ((RD_FB_CMD_REG(ha, reg) & 0xff) == 0)
432 break;
433 udelay(100);
434 }
435 }
436
437 /* Select RISC module registers. */
438 WRT_REG_WORD(&reg->ctrl_status, 0);
439 RD_REG_WORD(&reg->ctrl_status); /* PCI Posting. */
440
441 /* Reset RISC processor. */
442 WRT_REG_WORD(&reg->hccr, HCCR_RESET_RISC);
443 RD_REG_WORD(&reg->hccr); /* PCI Posting. */
444
445 /* Release RISC processor. */
446 WRT_REG_WORD(&reg->hccr, HCCR_RELEASE_RISC);
447 RD_REG_WORD(&reg->hccr); /* PCI Posting. */
448 }
449
450 WRT_REG_WORD(&reg->hccr, HCCR_CLR_RISC_INT);
451 WRT_REG_WORD(&reg->hccr, HCCR_CLR_HOST_INT);
452
453 /* Reset ISP chip. */
454 WRT_REG_WORD(&reg->ctrl_status, CSR_ISP_SOFT_RESET);
455
456 /* Wait for RISC to recover from reset. */
457 if (IS_QLA2100(ha) || IS_QLA2200(ha) || IS_QLA2300(ha)) {
458 /*
459 * It is necessary to for a delay here since the card doesn't
460 * respond to PCI reads during a reset. On some architectures
461 * this will result in an MCA.
462 */
463 udelay(20);
464 for (cnt = 30000; cnt; cnt--) {
465 if ((RD_REG_WORD(&reg->ctrl_status) &
466 CSR_ISP_SOFT_RESET) == 0)
467 break;
468 udelay(100);
469 }
470 } else
471 udelay(10);
472
473 /* Reset RISC processor. */
474 WRT_REG_WORD(&reg->hccr, HCCR_RESET_RISC);
475
476 WRT_REG_WORD(&reg->semaphore, 0);
477
478 /* Release RISC processor. */
479 WRT_REG_WORD(&reg->hccr, HCCR_RELEASE_RISC);
480 RD_REG_WORD(&reg->hccr); /* PCI Posting. */
481
482 if (IS_QLA2100(ha) || IS_QLA2200(ha) || IS_QLA2300(ha)) {
483 for (cnt = 0; cnt < 30000; cnt++) {
ffb39f03 484 if (RD_MAILBOX_REG(ha, reg, 0) != MBS_BUSY)
1da177e4 485 break;
1da177e4
LT		 486
487 udelay(100);
488 }
489 } else
490 udelay(100);
491
492 /* Turn on master enable */
493 cmd |= PCI_COMMAND_MASTER;
494 pci_write_config_word(ha->pdev, PCI_COMMAND, cmd);
495
496 /* Disable RISC pause on FPM parity error. */
497 if (!IS_QLA2100(ha)) {
498 WRT_REG_WORD(&reg->hccr, HCCR_DISABLE_PARITY_PAUSE);
499 RD_REG_WORD(&reg->hccr); /* PCI Posting. */
500 }
501
502 spin_unlock_irqrestore(&ha->hardware_lock, flags);
503}
504
0107109e 505/**
88c26663 506 * qla24xx_reset_risc() - Perform full reset of ISP24xx RISC.
0107109e
AV		 507 * @ha: HA context
508 *
509 * Returns 0 on success.
510 */
88c26663
AV		 511static inline void
512qla24xx_reset_risc(scsi_qla_host_t *ha)
0107109e 513{
cb8dacbf 514 int hw_evt = 0;
0107109e
AV		 515 unsigned long flags = 0;
516 struct device_reg_24xx __iomem *reg = &ha->iobase->isp24;
517 uint32_t cnt, d2;
335a1cc9 518 uint16_t wd;
0107109e 519
0107109e
AV		 520 spin_lock_irqsave(&ha->hardware_lock, flags);
521
522 /* Reset RISC. */
523 WRT_REG_DWORD(&reg->ctrl_status, CSRX_DMA_SHUTDOWN|MWB_4096_BYTES);
524 for (cnt = 0; cnt < 30000; cnt++) {
525 if ((RD_REG_DWORD(&reg->ctrl_status) & CSRX_DMA_ACTIVE) == 0)
526 break;
527
528 udelay(10);
529 }
530
531 WRT_REG_DWORD(&reg->ctrl_status,
532 CSRX_ISP_SOFT_RESET|CSRX_DMA_SHUTDOWN|MWB_4096_BYTES);
335a1cc9 533 pci_read_config_word(ha->pdev, PCI_COMMAND, &wd);
88c26663 534
335a1cc9 535 udelay(100);
88c26663 536 /* Wait for firmware to complete NVRAM accesses. */
88c26663
AV		 537 d2 = (uint32_t) RD_REG_WORD(&reg->mailbox0);
538 for (cnt = 10000 ; cnt && d2; cnt--) {
539 udelay(5);
540 d2 = (uint32_t) RD_REG_WORD(&reg->mailbox0);
541 barrier();
542 }
cb8dacbf
AV		 543 if (cnt == 0)
544 hw_evt = 1;
88c26663 545
335a1cc9 546 /* Wait for soft-reset to complete. */
0107109e
AV		 547 d2 = RD_REG_DWORD(&reg->ctrl_status);
548 for (cnt = 6000000 ; cnt && (d2 & CSRX_ISP_SOFT_RESET); cnt--) {
549 udelay(5);
550 d2 = RD_REG_DWORD(&reg->ctrl_status);
551 barrier();
552 }
cb8dacbf
AV		 553 if (cnt == 0 || hw_evt)
554 qla2xxx_hw_event_log(ha, HW_EVENT_RESET_ERR,
555 RD_REG_WORD(&reg->mailbox1), RD_REG_WORD(&reg->mailbox2),
556 RD_REG_WORD(&reg->mailbox3));
0107109e
AV		 557
558 WRT_REG_DWORD(&reg->hccr, HCCRX_SET_RISC_RESET);
559 RD_REG_DWORD(&reg->hccr);
560
561 WRT_REG_DWORD(&reg->hccr, HCCRX_REL_RISC_PAUSE);
562 RD_REG_DWORD(&reg->hccr);
563
564 WRT_REG_DWORD(&reg->hccr, HCCRX_CLR_RISC_RESET);
565 RD_REG_DWORD(&reg->hccr);
566
567 d2 = (uint32_t) RD_REG_WORD(&reg->mailbox0);
568 for (cnt = 6000000 ; cnt && d2; cnt--) {
569 udelay(5);
570 d2 = (uint32_t) RD_REG_WORD(&reg->mailbox0);
571 barrier();
572 }
573
574 spin_unlock_irqrestore(&ha->hardware_lock, flags);
575}
576
88c26663
AV		 577/**
578 * qla24xx_reset_chip() - Reset ISP24xx chip.
579 * @ha: HA context
580 *
581 * Returns 0 on success.
582 */
583void
584qla24xx_reset_chip(scsi_qla_host_t *ha)
585{
fd34f556 586 ha->isp_ops->disable_intrs(ha);
88c26663
AV		 587
588 /* Perform RISC reset. */
589 qla24xx_reset_risc(ha);
590}
591
1da177e4
LT		 592/**
593 * qla2x00_chip_diag() - Test chip for proper operation.
594 * @ha: HA context
595 *
596 * Returns 0 on success.
597 */
abbd8870 598int
1da177e4
LT		 599qla2x00_chip_diag(scsi_qla_host_t *ha)
600{
601 int rval;
3d71644c 602 struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
1da177e4
LT		 603 unsigned long flags = 0;
604 uint16_t data;
605 uint32_t cnt;
606 uint16_t mb[5];
607
608 /* Assume a failed state */
609 rval = QLA_FUNCTION_FAILED;
610
611 DEBUG3(printk("scsi(%ld): Testing device at %lx.\n",
612 ha->host_no, (u_long)&reg->flash_address));
613
614 spin_lock_irqsave(&ha->hardware_lock, flags);
615
616 /* Reset ISP chip. */
617 WRT_REG_WORD(&reg->ctrl_status, CSR_ISP_SOFT_RESET);
618
619 /*
620 * We need to have a delay here since the card will not respond while
621 * in reset causing an MCA on some architectures.
622 */
623 udelay(20);
624 data = qla2x00_debounce_register(&reg->ctrl_status);
625 for (cnt = 6000000 ; cnt && (data & CSR_ISP_SOFT_RESET); cnt--) {
626 udelay(5);
627 data = RD_REG_WORD(&reg->ctrl_status);
628 barrier();
629 }
630
631 if (!cnt)
632 goto chip_diag_failed;
633
634 DEBUG3(printk("scsi(%ld): Reset register cleared by chip reset\n",
635 ha->host_no));
636
637 /* Reset RISC processor. */
638 WRT_REG_WORD(&reg->hccr, HCCR_RESET_RISC);
639 WRT_REG_WORD(&reg->hccr, HCCR_RELEASE_RISC);
640
641 /* Workaround for QLA2312 PCI parity error */
642 if (IS_QLA2100(ha) || IS_QLA2200(ha) || IS_QLA2300(ha)) {
643 data = qla2x00_debounce_register(MAILBOX_REG(ha, reg, 0));
644 for (cnt = 6000000; cnt && (data == MBS_BUSY); cnt--) {
645 udelay(5);
646 data = RD_MAILBOX_REG(ha, reg, 0);
fa2a1ce5 647 barrier();
1da177e4
LT		 648 }
649 } else
650 udelay(10);
651
652 if (!cnt)
653 goto chip_diag_failed;
654
655 /* Check product ID of chip */
656 DEBUG3(printk("scsi(%ld): Checking product ID of chip\n", ha->host_no));
657
658 mb[1] = RD_MAILBOX_REG(ha, reg, 1);
659 mb[2] = RD_MAILBOX_REG(ha, reg, 2);
660 mb[3] = RD_MAILBOX_REG(ha, reg, 3);
661 mb[4] = qla2x00_debounce_register(MAILBOX_REG(ha, reg, 4));
662 if (mb[1] != PROD_ID_1 || (mb[2] != PROD_ID_2 && mb[2] != PROD_ID_2a) ||
663 mb[3] != PROD_ID_3) {
664 qla_printk(KERN_WARNING, ha,
665 "Wrong product ID = 0x%x,0x%x,0x%x\n", mb[1], mb[2], mb[3]);
666
667 goto chip_diag_failed;
668 }
669 ha->product_id[0] = mb[1];
670 ha->product_id[1] = mb[2];
671 ha->product_id[2] = mb[3];
672 ha->product_id[3] = mb[4];
673
674 /* Adjust fw RISC transfer size */
675 if (ha->request_q_length > 1024)
676 ha->fw_transfer_size = REQUEST_ENTRY_SIZE * 1024;
677 else
678 ha->fw_transfer_size = REQUEST_ENTRY_SIZE *
679 ha->request_q_length;
680
681 if (IS_QLA2200(ha) &&
682 RD_MAILBOX_REG(ha, reg, 7) == QLA2200A_RISC_ROM_VER) {
683 /* Limit firmware transfer size with a 2200A */
684 DEBUG3(printk("scsi(%ld): Found QLA2200A chip.\n",
685 ha->host_no));
686
ea5b6382 687 ha->device_type |= DT_ISP2200A;
1da177e4
LT		 688 ha->fw_transfer_size = 128;
689 }
690
691 /* Wrap Incoming Mailboxes Test. */
692 spin_unlock_irqrestore(&ha->hardware_lock, flags);
693
694 DEBUG3(printk("scsi(%ld): Checking mailboxes.\n", ha->host_no));
695 rval = qla2x00_mbx_reg_test(ha);
696 if (rval) {
697 DEBUG(printk("scsi(%ld): Failed mailbox send register test\n",
698 ha->host_no));
699 qla_printk(KERN_WARNING, ha,
700 "Failed mailbox send register test\n");
701 }
702 else {
703 /* Flag a successful rval */
704 rval = QLA_SUCCESS;
705 }
706 spin_lock_irqsave(&ha->hardware_lock, flags);
707
708chip_diag_failed:
709 if (rval)
710 DEBUG2_3(printk("scsi(%ld): Chip diagnostics **** FAILED "
711 "****\n", ha->host_no));
712
713 spin_unlock_irqrestore(&ha->hardware_lock, flags);
714
715 return (rval);
716}
717
0107109e
AV		 718/**
719 * qla24xx_chip_diag() - Test ISP24xx for proper operation.
720 * @ha: HA context
721 *
722 * Returns 0 on success.
723 */
724int
725qla24xx_chip_diag(scsi_qla_host_t *ha)
726{
727 int rval;
0107109e 728
88c26663
AV		 729 /* Perform RISC reset. */
730 qla24xx_reset_risc(ha);
0107109e 731
6d052529 732 ha->fw_transfer_size = REQUEST_ENTRY_SIZE * ha->request_q_length;
0107109e
AV		 733
734 rval = qla2x00_mbx_reg_test(ha);
735 if (rval) {
736 DEBUG(printk("scsi(%ld): Failed mailbox send register test\n",
737 ha->host_no));
738 qla_printk(KERN_WARNING, ha,
739 "Failed mailbox send register test\n");
740 } else {
741 /* Flag a successful rval */
742 rval = QLA_SUCCESS;
743 }
744
745 return rval;
746}
747
a7a167bf 748void
0107109e
AV		 749qla2x00_alloc_fw_dump(scsi_qla_host_t *ha)
750{
a7a167bf
AV		 751 int rval;
752 uint32_t dump_size, fixed_size, mem_size, req_q_size, rsp_q_size,
df613b96
AV		 753 eft_size, fce_size;
754 dma_addr_t tc_dma;
755 void *tc;
a7a167bf
AV		 756
757 if (ha->fw_dump) {
758 qla_printk(KERN_WARNING, ha,
759 "Firmware dump previously allocated.\n");
760 return;
761 }
d4e3e04d 762
0107109e 763 ha->fw_dumped = 0;
df613b96 764 fixed_size = mem_size = eft_size = fce_size = 0;
d4e3e04d 765 if (IS_QLA2100(ha) || IS_QLA2200(ha)) {
a7a167bf 766 fixed_size = sizeof(struct qla2100_fw_dump);
d4e3e04d 767 } else if (IS_QLA23XX(ha)) {
a7a167bf
AV		 768 fixed_size = offsetof(struct qla2300_fw_dump, data_ram);
769 mem_size = (ha->fw_memory_size - 0x11000 + 1) *
770 sizeof(uint16_t);
e428924c 771 } else if (IS_FWI2_CAPABLE(ha)) {
c3a2f0df
AV		 772 fixed_size = IS_QLA25XX(ha) ?
773 offsetof(struct qla25xx_fw_dump, ext_mem):
774 offsetof(struct qla24xx_fw_dump, ext_mem);
a7a167bf
AV		 775 mem_size = (ha->fw_memory_size - 0x100000 + 1) *
776 sizeof(uint32_t);
777
df613b96
AV		 778 /* Allocate memory for Fibre Channel Event Buffer. */
779 if (!IS_QLA25XX(ha))
436a7b11 780 goto try_eft;
df613b96
AV		 781
782 tc = dma_alloc_coherent(&ha->pdev->dev, FCE_SIZE, &tc_dma,
783 GFP_KERNEL);
784 if (!tc) {
785 qla_printk(KERN_WARNING, ha, "Unable to allocate "
786 "(%d KB) for FCE.\n", FCE_SIZE / 1024);
436a7b11 787 goto try_eft;
df613b96
AV		 788 }
789
790 memset(tc, 0, FCE_SIZE);
791 rval = qla2x00_enable_fce_trace(ha, tc_dma, FCE_NUM_BUFFERS,
792 ha->fce_mb, &ha->fce_bufs);
793 if (rval) {
794 qla_printk(KERN_WARNING, ha, "Unable to initialize "
795 "FCE (%d).\n", rval);
796 dma_free_coherent(&ha->pdev->dev, FCE_SIZE, tc,
797 tc_dma);
798 ha->flags.fce_enabled = 0;
436a7b11 799 goto try_eft;
df613b96
AV		 800 }
801
802 qla_printk(KERN_INFO, ha, "Allocated (%d KB) for FCE...\n",
803 FCE_SIZE / 1024);
804
805 fce_size = sizeof(struct qla2xxx_fce_chain) + EFT_SIZE;
806 ha->flags.fce_enabled = 1;
807 ha->fce_dma = tc_dma;
808 ha->fce = tc;
436a7b11
AV		 809try_eft:
810 /* Allocate memory for Extended Trace Buffer. */
811 tc = dma_alloc_coherent(&ha->pdev->dev, EFT_SIZE, &tc_dma,
812 GFP_KERNEL);
813 if (!tc) {
814 qla_printk(KERN_WARNING, ha, "Unable to allocate "
815 "(%d KB) for EFT.\n", EFT_SIZE / 1024);
816 goto cont_alloc;
817 }
818
819 memset(tc, 0, EFT_SIZE);
820 rval = qla2x00_enable_eft_trace(ha, tc_dma, EFT_NUM_BUFFERS);
821 if (rval) {
822 qla_printk(KERN_WARNING, ha, "Unable to initialize "
823 "EFT (%d).\n", rval);
824 dma_free_coherent(&ha->pdev->dev, EFT_SIZE, tc,
825 tc_dma);
826 goto cont_alloc;
827 }
828
829 qla_printk(KERN_INFO, ha, "Allocated (%d KB) for EFT...\n",
830 EFT_SIZE / 1024);
831
832 eft_size = EFT_SIZE;
833 ha->eft_dma = tc_dma;
834 ha->eft = tc;
d4e3e04d 835 }
a7a167bf
AV		 836cont_alloc:
837 req_q_size = ha->request_q_length * sizeof(request_t);
838 rsp_q_size = ha->response_q_length * sizeof(response_t);
839
840 dump_size = offsetof(struct qla2xxx_fw_dump, isp);
841 dump_size += fixed_size + mem_size + req_q_size + rsp_q_size +
df613b96 842 eft_size + fce_size;
d4e3e04d
AV		 843
844 ha->fw_dump = vmalloc(dump_size);
a7a167bf 845 if (!ha->fw_dump) {
0107109e 846 qla_printk(KERN_WARNING, ha, "Unable to allocate (%d KB) for "
d4e3e04d 847 "firmware dump!!!\n", dump_size / 1024);
a7a167bf
AV		 848
849 if (ha->eft) {
850 dma_free_coherent(&ha->pdev->dev, eft_size, ha->eft,
851 ha->eft_dma);
852 ha->eft = NULL;
853 ha->eft_dma = 0;
854 }
855 return;
856 }
857
858 qla_printk(KERN_INFO, ha, "Allocated (%d KB) for firmware dump...\n",
859 dump_size / 1024);
860
861 ha->fw_dump_len = dump_size;
862 ha->fw_dump->signature[0] = 'Q';
863 ha->fw_dump->signature[1] = 'L';
864 ha->fw_dump->signature[2] = 'G';
865 ha->fw_dump->signature[3] = 'C';
866 ha->fw_dump->version = __constant_htonl(1);
867
868 ha->fw_dump->fixed_size = htonl(fixed_size);
869 ha->fw_dump->mem_size = htonl(mem_size);
870 ha->fw_dump->req_q_size = htonl(req_q_size);
871 ha->fw_dump->rsp_q_size = htonl(rsp_q_size);
872
873 ha->fw_dump->eft_size = htonl(eft_size);
874 ha->fw_dump->eft_addr_l = htonl(LSD(ha->eft_dma));
875 ha->fw_dump->eft_addr_h = htonl(MSD(ha->eft_dma));
876
877 ha->fw_dump->header_size =
878 htonl(offsetof(struct qla2xxx_fw_dump, isp));
0107109e
AV		 879}
880
1da177e4
LT		 881/**
882 * qla2x00_resize_request_q() - Resize request queue given available ISP memory.
883 * @ha: HA context
884 *
885 * Returns 0 on success.
886 */
887static void
888qla2x00_resize_request_q(scsi_qla_host_t *ha)
889{
890 int rval;
891 uint16_t fw_iocb_cnt = 0;
892 uint16_t request_q_length = REQUEST_ENTRY_CNT_2XXX_EXT_MEM;
893 dma_addr_t request_dma;
894 request_t *request_ring;
895
896 /* Valid only on recent ISPs. */
897 if (IS_QLA2100(ha) || IS_QLA2200(ha))
898 return;
899
900 /* Retrieve IOCB counts available to the firmware. */
4d0ea247
SJ		 901 rval = qla2x00_get_resource_cnts(ha, NULL, NULL, NULL, &fw_iocb_cnt,
902 &ha->max_npiv_vports);
1da177e4
LT		 903 if (rval)
904 return;
905 /* No point in continuing if current settings are sufficient. */
906 if (fw_iocb_cnt < 1024)
907 return;
908 if (ha->request_q_length >= request_q_length)
909 return;
910
911 /* Attempt to claim larger area for request queue. */
912 request_ring = dma_alloc_coherent(&ha->pdev->dev,
913 (request_q_length + 1) * sizeof(request_t), &request_dma,
914 GFP_KERNEL);
915 if (request_ring == NULL)
916 return;
917
918 /* Resize successful, report extensions. */
919 qla_printk(KERN_INFO, ha, "Extended memory detected (%d KB)...\n",
920 (ha->fw_memory_size + 1) / 1024);
921 qla_printk(KERN_INFO, ha, "Resizing request queue depth "
922 "(%d -> %d)...\n", ha->request_q_length, request_q_length);
923
924 /* Clear old allocations. */
925 dma_free_coherent(&ha->pdev->dev,
926 (ha->request_q_length + 1) * sizeof(request_t), ha->request_ring,
927 ha->request_dma);
928
929 /* Begin using larger queue. */
930 ha->request_q_length = request_q_length;
931 ha->request_ring = request_ring;
932 ha->request_dma = request_dma;
933}
934
935/**
936 * qla2x00_setup_chip() - Load and start RISC firmware.
937 * @ha: HA context
938 *
939 * Returns 0 on success.
940 */
941static int
942qla2x00_setup_chip(scsi_qla_host_t *ha)
943{
0107109e
AV		 944 int rval;
945 uint32_t srisc_address = 0;
3db0652e
AV		 946 struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
947 unsigned long flags;
948
949 if (!IS_FWI2_CAPABLE(ha) && !IS_QLA2100(ha) && !IS_QLA2200(ha)) {
950 /* Disable SRAM, Instruction RAM and GP RAM parity. */
951 spin_lock_irqsave(&ha->hardware_lock, flags);
952 WRT_REG_WORD(&reg->hccr, (HCCR_ENABLE_PARITY + 0x0));
953 RD_REG_WORD(&reg->hccr);
954 spin_unlock_irqrestore(&ha->hardware_lock, flags);
955 }
1da177e4
LT		 956
957 /* Load firmware sequences */
fd34f556 958 rval = ha->isp_ops->load_risc(ha, &srisc_address);
0107109e 959 if (rval == QLA_SUCCESS) {
1da177e4
LT		 960 DEBUG(printk("scsi(%ld): Verifying Checksum of loaded RISC "
961 "code.\n", ha->host_no));
962
0107109e 963 rval = qla2x00_verify_checksum(ha, srisc_address);
1da177e4
LT		 964 if (rval == QLA_SUCCESS) {
965 /* Start firmware execution. */
966 DEBUG(printk("scsi(%ld): Checksum OK, start "
967 "firmware.\n", ha->host_no));
968
0107109e 969 rval = qla2x00_execute_fw(ha, srisc_address);
1da177e4
LT		 970 /* Retrieve firmware information. */
971 if (rval == QLA_SUCCESS && ha->fw_major_version == 0) {
972 qla2x00_get_fw_version(ha,
973 &ha->fw_major_version,
974 &ha->fw_minor_version,
975 &ha->fw_subminor_version,
976 &ha->fw_attributes, &ha->fw_memory_size);
977 qla2x00_resize_request_q(ha);
2c3dfe3f 978 ha->flags.npiv_supported = 0;
946fb891
MH		 979 if ((IS_QLA24XX(ha) || IS_QLA25XX(ha) ||
980 IS_QLA84XX(ha)) &&
981 (ha->fw_attributes & BIT_2)) {
2c3dfe3f 982 ha->flags.npiv_supported = 1;
4d0ea247
SJ		 983 if ((!ha->max_npiv_vports) ||
984 ((ha->max_npiv_vports + 1) %
eb66dc60 985 MIN_MULTI_ID_FABRIC))
4d0ea247 986 ha->max_npiv_vports =
eb66dc60 987 MIN_MULTI_ID_FABRIC - 1;
4d0ea247 988 }
a7a167bf
AV		 989
990 if (ql2xallocfwdump)
991 qla2x00_alloc_fw_dump(ha);
1da177e4
LT		 992 }
993 } else {
994 DEBUG2(printk(KERN_INFO
995 "scsi(%ld): ISP Firmware failed checksum.\n",
996 ha->host_no));
997 }
998 }
999
3db0652e
AV		 1000 if (!IS_FWI2_CAPABLE(ha) && !IS_QLA2100(ha) && !IS_QLA2200(ha)) {
1001 /* Enable proper parity. */
1002 spin_lock_irqsave(&ha->hardware_lock, flags);
1003 if (IS_QLA2300(ha))
1004 /* SRAM parity */
1005 WRT_REG_WORD(&reg->hccr, HCCR_ENABLE_PARITY + 0x1);
1006 else
1007 /* SRAM, Instruction RAM and GP RAM parity */
1008 WRT_REG_WORD(&reg->hccr, HCCR_ENABLE_PARITY + 0x7);
1009 RD_REG_WORD(&reg->hccr);
1010 spin_unlock_irqrestore(&ha->hardware_lock, flags);
1011 }
1012
1da177e4
LT		 1013 if (rval) {
1014 DEBUG2_3(printk("scsi(%ld): Setup chip **** FAILED ****.\n",
1015 ha->host_no));
1016 }
1017
1018 return (rval);
1019}
1020
1021/**
1022 * qla2x00_init_response_q_entries() - Initializes response queue entries.
1023 * @ha: HA context
1024 *
1025 * Beginning of request ring has initialization control block already built
1026 * by nvram config routine.
1027 *
1028 * Returns 0 on success.
1029 */
1030static void
1031qla2x00_init_response_q_entries(scsi_qla_host_t *ha)
1032{
1033 uint16_t cnt;
1034 response_t *pkt;
1035
1036 pkt = ha->response_ring_ptr;
1037 for (cnt = 0; cnt < ha->response_q_length; cnt++) {
1038 pkt->signature = RESPONSE_PROCESSED;
1039 pkt++;
1040 }
1041
1042}
1043
1044/**
1045 * qla2x00_update_fw_options() - Read and process firmware options.
1046 * @ha: HA context
1047 *
1048 * Returns 0 on success.
1049 */
abbd8870 1050void
1da177e4
LT		 1051qla2x00_update_fw_options(scsi_qla_host_t *ha)
1052{
1053 uint16_t swing, emphasis, tx_sens, rx_sens;
1054
1055 memset(ha->fw_options, 0, sizeof(ha->fw_options));
1056 qla2x00_get_fw_options(ha, ha->fw_options);
1057
1058 if (IS_QLA2100(ha) || IS_QLA2200(ha))
1059 return;
1060
1061 /* Serial Link options. */
1062 DEBUG3(printk("scsi(%ld): Serial link options:\n",
1063 ha->host_no));
1064 DEBUG3(qla2x00_dump_buffer((uint8_t *)&ha->fw_seriallink_options,
1065 sizeof(ha->fw_seriallink_options)));
1066
1067 ha->fw_options[1] &= ~FO1_SET_EMPHASIS_SWING;
1068 if (ha->fw_seriallink_options[3] & BIT_2) {
1069 ha->fw_options[1] |= FO1_SET_EMPHASIS_SWING;
1070
1071 /* 1G settings */
1072 swing = ha->fw_seriallink_options[2] & (BIT_2 | BIT_1 | BIT_0);
1073 emphasis = (ha->fw_seriallink_options[2] &
1074 (BIT_4 | BIT_3)) >> 3;
1075 tx_sens = ha->fw_seriallink_options[0] &
fa2a1ce5 1076 (BIT_3 | BIT_2 | BIT_1 | BIT_0);
1da177e4
LT		 1077 rx_sens = (ha->fw_seriallink_options[0] &
1078 (BIT_7 | BIT_6 | BIT_5 | BIT_4)) >> 4;
1079 ha->fw_options[10] = (emphasis << 14) | (swing << 8);
1080 if (IS_QLA2300(ha) || IS_QLA2312(ha) || IS_QLA6312(ha)) {
1081 if (rx_sens == 0x0)
1082 rx_sens = 0x3;
1083 ha->fw_options[10] |= (tx_sens << 4) | rx_sens;
1084 } else if (IS_QLA2322(ha) || IS_QLA6322(ha))
1085 ha->fw_options[10] |= BIT_5 |
1086 ((rx_sens & (BIT_1 | BIT_0)) << 2) |
1087 (tx_sens & (BIT_1 | BIT_0));
1088
1089 /* 2G settings */
1090 swing = (ha->fw_seriallink_options[2] &
1091 (BIT_7 | BIT_6 | BIT_5)) >> 5;
1092 emphasis = ha->fw_seriallink_options[3] & (BIT_1 | BIT_0);
1093 tx_sens = ha->fw_seriallink_options[1] &
fa2a1ce5 1094 (BIT_3 | BIT_2 | BIT_1 | BIT_0);
1da177e4
LT		 1095 rx_sens = (ha->fw_seriallink_options[1] &
1096 (BIT_7 | BIT_6 | BIT_5 | BIT_4)) >> 4;
1097 ha->fw_options[11] = (emphasis << 14) | (swing << 8);
1098 if (IS_QLA2300(ha) || IS_QLA2312(ha) || IS_QLA6312(ha)) {
1099 if (rx_sens == 0x0)
1100 rx_sens = 0x3;
1101 ha->fw_options[11] |= (tx_sens << 4) | rx_sens;
1102 } else if (IS_QLA2322(ha) || IS_QLA6322(ha))
1103 ha->fw_options[11] |= BIT_5 |
1104 ((rx_sens & (BIT_1 | BIT_0)) << 2) |
1105 (tx_sens & (BIT_1 | BIT_0));
1106 }
1107
1108 /* FCP2 options. */
1109 /* Return command IOCBs without waiting for an ABTS to complete. */
1110 ha->fw_options[3] |= BIT_13;
1111
1112 /* LED scheme. */
1113 if (ha->flags.enable_led_scheme)
1114 ha->fw_options[2] |= BIT_12;
1115
48c02fde
AV		 1116 /* Detect ISP6312. */
1117 if (IS_QLA6312(ha))
1118 ha->fw_options[2] |= BIT_13;
1119
1da177e4
LT		 1120 /* Update firmware options. */
1121 qla2x00_set_fw_options(ha, ha->fw_options);
1122}
1123
0107109e
AV		 1124void
1125qla24xx_update_fw_options(scsi_qla_host_t *ha)
1126{
1127 int rval;
1128
1129 /* Update Serial Link options. */
f94097ed 1130 if ((le16_to_cpu(ha->fw_seriallink_options24[0]) & BIT_0) == 0)
0107109e
AV		 1131 return;
1132
f94097ed
AV		 1133 rval = qla2x00_set_serdes_params(ha,
1134 le16_to_cpu(ha->fw_seriallink_options24[1]),
1135 le16_to_cpu(ha->fw_seriallink_options24[2]),
1136 le16_to_cpu(ha->fw_seriallink_options24[3]));
0107109e
AV		 1137 if (rval != QLA_SUCCESS) {
1138 qla_printk(KERN_WARNING, ha,
1139 "Unable to update Serial Link options (%x).\n", rval);
1140 }
1141}
1142
abbd8870
AV		 1143void
1144qla2x00_config_rings(struct scsi_qla_host *ha)
1145{
3d71644c 1146 struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
abbd8870
AV		 1147
1148 /* Setup ring parameters in initialization control block. */
1149 ha->init_cb->request_q_outpointer = __constant_cpu_to_le16(0);
1150 ha->init_cb->response_q_inpointer = __constant_cpu_to_le16(0);
1151 ha->init_cb->request_q_length = cpu_to_le16(ha->request_q_length);
1152 ha->init_cb->response_q_length = cpu_to_le16(ha->response_q_length);
1153 ha->init_cb->request_q_address[0] = cpu_to_le32(LSD(ha->request_dma));
1154 ha->init_cb->request_q_address[1] = cpu_to_le32(MSD(ha->request_dma));
1155 ha->init_cb->response_q_address[0] = cpu_to_le32(LSD(ha->response_dma));
1156 ha->init_cb->response_q_address[1] = cpu_to_le32(MSD(ha->response_dma));
1157
1158 WRT_REG_WORD(ISP_REQ_Q_IN(ha, reg), 0);
1159 WRT_REG_WORD(ISP_REQ_Q_OUT(ha, reg), 0);
1160 WRT_REG_WORD(ISP_RSP_Q_IN(ha, reg), 0);
1161 WRT_REG_WORD(ISP_RSP_Q_OUT(ha, reg), 0);
1162 RD_REG_WORD(ISP_RSP_Q_OUT(ha, reg)); /* PCI Posting. */
1163}
1164
0107109e
AV		 1165void
1166qla24xx_config_rings(struct scsi_qla_host *ha)
1167{
1168 struct device_reg_24xx __iomem *reg = &ha->iobase->isp24;
1169 struct init_cb_24xx *icb;
1170
1171 /* Setup ring parameters in initialization control block. */
1172 icb = (struct init_cb_24xx *)ha->init_cb;
1173 icb->request_q_outpointer = __constant_cpu_to_le16(0);
1174 icb->response_q_inpointer = __constant_cpu_to_le16(0);
1175 icb->request_q_length = cpu_to_le16(ha->request_q_length);
1176 icb->response_q_length = cpu_to_le16(ha->response_q_length);
1177 icb->request_q_address[0] = cpu_to_le32(LSD(ha->request_dma));
1178 icb->request_q_address[1] = cpu_to_le32(MSD(ha->request_dma));
1179 icb->response_q_address[0] = cpu_to_le32(LSD(ha->response_dma));
1180 icb->response_q_address[1] = cpu_to_le32(MSD(ha->response_dma));
1181
1182 WRT_REG_DWORD(&reg->req_q_in, 0);
1183 WRT_REG_DWORD(&reg->req_q_out, 0);
1184 WRT_REG_DWORD(&reg->rsp_q_in, 0);
1185 WRT_REG_DWORD(&reg->rsp_q_out, 0);
1186 RD_REG_DWORD(&reg->rsp_q_out);
1187}
1188
1da177e4
LT		 1189/**
1190 * qla2x00_init_rings() - Initializes firmware.
1191 * @ha: HA context
1192 *
1193 * Beginning of request ring has initialization control block already built
1194 * by nvram config routine.
1195 *
1196 * Returns 0 on success.
1197 */
1198static int
1199qla2x00_init_rings(scsi_qla_host_t *ha)
1200{
1201 int rval;
1202 unsigned long flags = 0;
1203 int cnt;
2c3dfe3f
SJ		 1204 struct mid_init_cb_24xx *mid_init_cb =
1205 (struct mid_init_cb_24xx *) ha->init_cb;
1da177e4
LT		 1206
1207 spin_lock_irqsave(&ha->hardware_lock, flags);
1208
1209 /* Clear outstanding commands array. */
1210 for (cnt = 0; cnt < MAX_OUTSTANDING_COMMANDS; cnt++)
1211 ha->outstanding_cmds[cnt] = NULL;
1212
1213 ha->current_outstanding_cmd = 0;
1214
1215 /* Clear RSCN queue. */
1216 ha->rscn_in_ptr = 0;
1217 ha->rscn_out_ptr = 0;
1218
1219 /* Initialize firmware. */
1220 ha->request_ring_ptr = ha->request_ring;
1221 ha->req_ring_index = 0;
1222 ha->req_q_cnt = ha->request_q_length;
1223 ha->response_ring_ptr = ha->response_ring;
1224 ha->rsp_ring_index = 0;
1225
1da177e4
LT		 1226 /* Initialize response queue entries */
1227 qla2x00_init_response_q_entries(ha);
1228
fd34f556 1229 ha->isp_ops->config_rings(ha);
1da177e4
LT		 1230
1231 spin_unlock_irqrestore(&ha->hardware_lock, flags);
1232
1233 /* Update any ISP specific firmware options before initialization. */
fd34f556 1234 ha->isp_ops->update_fw_options(ha);
1da177e4
LT		 1235
1236 DEBUG(printk("scsi(%ld): Issue init firmware.\n", ha->host_no));
2c3dfe3f 1237
c48339de
SJ		 1238 if (ha->flags.npiv_supported)
1239 mid_init_cb->count = cpu_to_le16(ha->max_npiv_vports);
1240
eb66dc60 1241 mid_init_cb->options = __constant_cpu_to_le16(BIT_1);
2c3dfe3f 1242
0107109e 1243 rval = qla2x00_init_firmware(ha, ha->init_cb_size);
1da177e4
LT		 1244 if (rval) {
1245 DEBUG2_3(printk("scsi(%ld): Init firmware **** FAILED ****.\n",
1246 ha->host_no));
1247 } else {
1248 DEBUG3(printk("scsi(%ld): Init firmware -- success.\n",
1249 ha->host_no));
1250 }
1251
1252 return (rval);
1253}
1254
1255/**
1256 * qla2x00_fw_ready() - Waits for firmware ready.
1257 * @ha: HA context
1258 *
1259 * Returns 0 on success.
1260 */
1261static int
1262qla2x00_fw_ready(scsi_qla_host_t *ha)
1263{
1264 int rval;
4d4df193 1265 unsigned long wtime, mtime, cs84xx_time;
1da177e4
LT		 1266 uint16_t min_wait; /* Minimum wait time if loop is down */
1267 uint16_t wait_time; /* Wait time if loop is coming ready */
4d4df193 1268 uint16_t state[3];
1da177e4
LT		 1269
1270 rval = QLA_SUCCESS;
1271
1272 /* 20 seconds for loop down. */
fa2a1ce5 1273 min_wait = 20;
1da177e4
LT		 1274
1275 /*
1276 * Firmware should take at most one RATOV to login, plus 5 seconds for
1277 * our own processing.
1278 */
1279 if ((wait_time = (ha->retry_count*ha->login_timeout) + 5) < min_wait) {
1280 wait_time = min_wait;
1281 }
1282
1283 /* Min wait time if loop down */
1284 mtime = jiffies + (min_wait * HZ);
1285
1286 /* wait time before firmware ready */
1287 wtime = jiffies + (wait_time * HZ);
1288
1289 /* Wait for ISP to finish LIP */
1290 if (!ha->flags.init_done)
1291 qla_printk(KERN_INFO, ha, "Waiting for LIP to complete...\n");
1292
1293 DEBUG3(printk("scsi(%ld): Waiting for LIP to complete...\n",
1294 ha->host_no));
1295
1296 do {
4d4df193 1297 rval = qla2x00_get_firmware_state(ha, state);
1da177e4 1298 if (rval == QLA_SUCCESS) {
4d4df193 1299 if (state[0] < FSTATE_LOSS_OF_SYNC) {
1da177e4
LT		 1300 ha->device_flags &= ~DFLG_NO_CABLE;
1301 }
4d4df193
HK		 1302 if (IS_QLA84XX(ha) && state[0] != FSTATE_READY) {
1303 DEBUG16(printk("scsi(%ld): fw_state=%x "
1304 "84xx=%x.\n", ha->host_no, state[0],
1305 state[2]));
1306 if ((state[2] & FSTATE_LOGGED_IN) &&
1307 (state[2] & FSTATE_WAITING_FOR_VERIFY)) {
1308 DEBUG16(printk("scsi(%ld): Sending "
1309 "verify iocb.\n", ha->host_no));
1310
1311 cs84xx_time = jiffies;
1312 rval = qla84xx_init_chip(ha);
1313 if (rval != QLA_SUCCESS)
1314 break;
1315
1316 /* Add time taken to initialize. */
1317 cs84xx_time = jiffies - cs84xx_time;
1318 wtime += cs84xx_time;
1319 mtime += cs84xx_time;
1320 DEBUG16(printk("scsi(%ld): Increasing "
1321 "wait time by %ld. New time %ld\n",
1322 ha->host_no, cs84xx_time, wtime));
1323 }
1324 } else if (state[0] == FSTATE_READY) {
1da177e4
LT		 1325 DEBUG(printk("scsi(%ld): F/W Ready - OK \n",
1326 ha->host_no));
1327
1328 qla2x00_get_retry_cnt(ha, &ha->retry_count,
1329 &ha->login_timeout, &ha->r_a_tov);
1330
1331 rval = QLA_SUCCESS;
1332 break;
1333 }
1334
1335 rval = QLA_FUNCTION_FAILED;
1336
1337 if (atomic_read(&ha->loop_down_timer) &&
4d4df193 1338 state[0] != FSTATE_READY) {
1da177e4 1339 /* Loop down. Timeout on min_wait for states
fa2a1ce5
AV		 1340 * other than Wait for Login.
1341 */
1da177e4
LT		 1342 if (time_after_eq(jiffies, mtime)) {
1343 qla_printk(KERN_INFO, ha,
1344 "Cable is unplugged...\n");
1345
1346 ha->device_flags |= DFLG_NO_CABLE;
1347 break;
1348 }
1349 }
1350 } else {
1351 /* Mailbox cmd failed. Timeout on min_wait. */
1352 if (time_after_eq(jiffies, mtime))
1353 break;
1354 }
1355
1356 if (time_after_eq(jiffies, wtime))
1357 break;
1358
1359 /* Delay for a while */
1360 msleep(500);
1361
1362 DEBUG3(printk("scsi(%ld): fw_state=%x curr time=%lx.\n",
4d4df193 1363 ha->host_no, state[0], jiffies));
1da177e4
LT		 1364 } while (1);
1365
1366 DEBUG(printk("scsi(%ld): fw_state=%x curr time=%lx.\n",
4d4df193 1367 ha->host_no, state[0], jiffies));
1da177e4
LT		 1368
1369 if (rval) {
1370 DEBUG2_3(printk("scsi(%ld): Firmware ready **** FAILED ****.\n",
1371 ha->host_no));
1372 }
1373
1374 return (rval);
1375}
1376
1377/*
1378* qla2x00_configure_hba
1379* Setup adapter context.
1380*
1381* Input:
1382* ha = adapter state pointer.
1383*
1384* Returns:
1385* 0 = success
1386*
1387* Context:
1388* Kernel context.
1389*/
1390static int
1391qla2x00_configure_hba(scsi_qla_host_t *ha)
1392{
1393 int rval;
1394 uint16_t loop_id;
1395 uint16_t topo;
2c3dfe3f 1396 uint16_t sw_cap;
1da177e4
LT		 1397 uint8_t al_pa;
1398 uint8_t area;
1399 uint8_t domain;
1400 char connect_type[22];
1401
1402 /* Get host addresses. */
1403 rval = qla2x00_get_adapter_id(ha,
2c3dfe3f 1404 &loop_id, &al_pa, &area, &domain, &topo, &sw_cap);
1da177e4 1405 if (rval != QLA_SUCCESS) {
23443b1d 1406 if (LOOP_TRANSITION(ha) || atomic_read(&ha->loop_down_timer) ||
33135aa2
RA		 1407 (rval == QLA_COMMAND_ERROR && loop_id == 0x7)) {
1408 DEBUG2(printk("%s(%ld) Loop is in a transition state\n",
1409 __func__, ha->host_no));
1410 } else {
1411 qla_printk(KERN_WARNING, ha,
1412 "ERROR -- Unable to get host loop ID.\n");
1413 set_bit(ISP_ABORT_NEEDED, &ha->dpc_flags);
1414 }
1da177e4
LT		 1415 return (rval);
1416 }
1417
1418 if (topo == 4) {
1419 qla_printk(KERN_INFO, ha,
1420 "Cannot get topology - retrying.\n");
1421 return (QLA_FUNCTION_FAILED);
1422 }
1423
1424 ha->loop_id = loop_id;
1425
1426 /* initialize */
1427 ha->min_external_loopid = SNS_FIRST_LOOP_ID;
1428 ha->operating_mode = LOOP;
2c3dfe3f 1429 ha->switch_cap = 0;
1da177e4
LT		 1430
1431 switch (topo) {
1432 case 0:
1433 DEBUG3(printk("scsi(%ld): HBA in NL topology.\n",
1434 ha->host_no));
1435 ha->current_topology = ISP_CFG_NL;
1436 strcpy(connect_type, "(Loop)");
1437 break;
1438
1439 case 1:
1440 DEBUG3(printk("scsi(%ld): HBA in FL topology.\n",
1441 ha->host_no));
2c3dfe3f 1442 ha->switch_cap = sw_cap;
1da177e4
LT		 1443 ha->current_topology = ISP_CFG_FL;
1444 strcpy(connect_type, "(FL_Port)");
1445 break;
1446
1447 case 2:
1448 DEBUG3(printk("scsi(%ld): HBA in N P2P topology.\n",
1449 ha->host_no));
1450 ha->operating_mode = P2P;
1451 ha->current_topology = ISP_CFG_N;
1452 strcpy(connect_type, "(N_Port-to-N_Port)");
1453 break;
1454
1455 case 3:
1456 DEBUG3(printk("scsi(%ld): HBA in F P2P topology.\n",
1457 ha->host_no));
2c3dfe3f 1458 ha->switch_cap = sw_cap;
1da177e4
LT		 1459 ha->operating_mode = P2P;
1460 ha->current_topology = ISP_CFG_F;
1461 strcpy(connect_type, "(F_Port)");
1462 break;
1463
1464 default:
1465 DEBUG3(printk("scsi(%ld): HBA in unknown topology %x. "
1466 "Using NL.\n",
1467 ha->host_no, topo));
1468 ha->current_topology = ISP_CFG_NL;
1469 strcpy(connect_type, "(Loop)");
1470 break;
1471 }
1472
1473 /* Save Host port and loop ID. */
1474 /* byte order - Big Endian */
1475 ha->d_id.b.domain = domain;
1476 ha->d_id.b.area = area;
1477 ha->d_id.b.al_pa = al_pa;
1478
1479 if (!ha->flags.init_done)
1480 qla_printk(KERN_INFO, ha,
1481 "Topology - %s, Host Loop address 0x%x\n",
1482 connect_type, ha->loop_id);
1483
1484 if (rval) {
1485 DEBUG2_3(printk("scsi(%ld): FAILED.\n", ha->host_no));
1486 } else {
1487 DEBUG3(printk("scsi(%ld): exiting normally.\n", ha->host_no));
1488 }
1489
1490 return(rval);
1491}
1492
9bb9fcf2
AV		 1493static inline void
1494qla2x00_set_model_info(scsi_qla_host_t *ha, uint8_t *model, size_t len, char *def)
1495{
1496 char *st, *en;
1497 uint16_t index;
1498
1499 if (memcmp(model, BINZERO, len) != 0) {
1500 strncpy(ha->model_number, model, len);
1501 st = en = ha->model_number;
1502 en += len - 1;
1503 while (en > st) {
1504 if (*en != 0x20 && *en != 0x00)
1505 break;
1506 *en-- = '\0';
1507 }
1508
1509 index = (ha->pdev->subsystem_device & 0xff);
1510 if (ha->pdev->subsystem_vendor == PCI_VENDOR_ID_QLOGIC &&
1511 index < QLA_MODEL_NAMES)
1ee27146
JC		 1512 strncpy(ha->model_desc,
1513 qla2x00_model_name[index * 2 + 1],
1514 sizeof(ha->model_desc) - 1);
9bb9fcf2
AV		 1515 } else {
1516 index = (ha->pdev->subsystem_device & 0xff);
1517 if (ha->pdev->subsystem_vendor == PCI_VENDOR_ID_QLOGIC &&
1518 index < QLA_MODEL_NAMES) {
1519 strcpy(ha->model_number,
1520 qla2x00_model_name[index * 2]);
1ee27146
JC		 1521 strncpy(ha->model_desc,
1522 qla2x00_model_name[index * 2 + 1],
1523 sizeof(ha->model_desc) - 1);
9bb9fcf2
AV		 1524 } else {
1525 strcpy(ha->model_number, def);
1526 }
1527 }
1ee27146
JC		 1528 if (IS_FWI2_CAPABLE(ha))
1529 qla2xxx_get_vpd_field(ha, "\x82", ha->model_desc,
1530 sizeof(ha->model_desc));
9bb9fcf2
AV		 1531}
1532
4e08df3f
DM		 1533/* On sparc systems, obtain port and node WWN from firmware
1534 * properties.
1535 */
1536static void qla2xxx_nvram_wwn_from_ofw(scsi_qla_host_t *ha, nvram_t *nv)
1537{
1538#ifdef CONFIG_SPARC
1539 struct pci_dev *pdev = ha->pdev;
15576bc8
DM		 1540 struct device_node *dp = pci_device_to_OF_node(pdev);
1541 const u8 *val;
4e08df3f
DM		 1542 int len;
1543
1544 val = of_get_property(dp, "port-wwn", &len);
1545 if (val && len >= WWN_SIZE)
1546 memcpy(nv->port_name, val, WWN_SIZE);
1547
1548 val = of_get_property(dp, "node-wwn", &len);
1549 if (val && len >= WWN_SIZE)
1550 memcpy(nv->node_name, val, WWN_SIZE);
1551#endif
1552}
1553
1da177e4
LT		 1554/*
1555* NVRAM configuration for ISP 2xxx
1556*
1557* Input:
1558* ha = adapter block pointer.
1559*
1560* Output:
1561* initialization control block in response_ring
1562* host adapters parameters in host adapter block
1563*
1564* Returns:
1565* 0 = success.
1566*/
abbd8870 1567int
1da177e4
LT		 1568qla2x00_nvram_config(scsi_qla_host_t *ha)
1569{
4e08df3f 1570 int rval;
0107109e
AV		 1571 uint8_t chksum = 0;
1572 uint16_t cnt;
1573 uint8_t *dptr1, *dptr2;
1574 init_cb_t *icb = ha->init_cb;
281afe19
SJ		 1575 nvram_t *nv = ha->nvram;
1576 uint8_t *ptr = ha->nvram;
3d71644c 1577 struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
1da177e4 1578
4e08df3f
DM		 1579 rval = QLA_SUCCESS;
1580
1da177e4 1581 /* Determine NVRAM starting address. */
0107109e 1582 ha->nvram_size = sizeof(nvram_t);
1da177e4
LT		 1583 ha->nvram_base = 0;
1584 if (!IS_QLA2100(ha) && !IS_QLA2200(ha) && !IS_QLA2300(ha))
1585 if ((RD_REG_WORD(&reg->ctrl_status) >> 14) == 1)
1586 ha->nvram_base = 0x80;
1587
1588 /* Get NVRAM data and calculate checksum. */
fd34f556 1589 ha->isp_ops->read_nvram(ha, ptr, ha->nvram_base, ha->nvram_size);
0107109e
AV		 1590 for (cnt = 0, chksum = 0; cnt < ha->nvram_size; cnt++)
1591 chksum += *ptr++;
1da177e4
LT		 1592
1593 DEBUG5(printk("scsi(%ld): Contents of NVRAM\n", ha->host_no));
281afe19 1594 DEBUG5(qla2x00_dump_buffer((uint8_t *)nv, ha->nvram_size));
1da177e4
LT		 1595
1596 /* Bad NVRAM data, set defaults parameters. */
1597 if (chksum || nv->id[0] != 'I' || nv->id[1] != 'S' ||
1598 nv->id[2] != 'P' || nv->id[3] != ' ' || nv->nvram_version < 1) {
1599 /* Reset NVRAM data. */
1600 qla_printk(KERN_WARNING, ha, "Inconsistent NVRAM detected: "
1601 "checksum=0x%x id=%c version=0x%x.\n", chksum, nv->id[0],
1602 nv->nvram_version);
4e08df3f
DM		 1603 qla_printk(KERN_WARNING, ha, "Falling back to functioning (yet "
1604 "invalid -- WWPN) defaults.\n");
1605
cb8dacbf
AV		 1606 if (chksum)
1607 qla2xxx_hw_event_log(ha, HW_EVENT_NVRAM_CHKSUM_ERR, 0,
1608 MSW(chksum), LSW(chksum));
1609
4e08df3f
DM		 1610 /*
1611 * Set default initialization control block.
1612 */
1613 memset(nv, 0, ha->nvram_size);
1614 nv->parameter_block_version = ICB_VERSION;
1615
1616 if (IS_QLA23XX(ha)) {
1617 nv->firmware_options[0] = BIT_2 | BIT_1;
1618 nv->firmware_options[1] = BIT_7 | BIT_5;
1619 nv->add_firmware_options[0] = BIT_5;
1620 nv->add_firmware_options[1] = BIT_5 | BIT_4;
1621 nv->frame_payload_size = __constant_cpu_to_le16(2048);
1622 nv->special_options[1] = BIT_7;
1623 } else if (IS_QLA2200(ha)) {
1624 nv->firmware_options[0] = BIT_2 | BIT_1;
1625 nv->firmware_options[1] = BIT_7 | BIT_5;
1626 nv->add_firmware_options[0] = BIT_5;
1627 nv->add_firmware_options[1] = BIT_5 | BIT_4;
1628 nv->frame_payload_size = __constant_cpu_to_le16(1024);
1629 } else if (IS_QLA2100(ha)) {
1630 nv->firmware_options[0] = BIT_3 | BIT_1;
1631 nv->firmware_options[1] = BIT_5;
1632 nv->frame_payload_size = __constant_cpu_to_le16(1024);
1633 }
1634
1635 nv->max_iocb_allocation = __constant_cpu_to_le16(256);
1636 nv->execution_throttle = __constant_cpu_to_le16(16);
1637 nv->retry_count = 8;
1638 nv->retry_delay = 1;
1639
1640 nv->port_name[0] = 33;
1641 nv->port_name[3] = 224;
1642 nv->port_name[4] = 139;
1643
1644 qla2xxx_nvram_wwn_from_ofw(ha, nv);
1645
1646 nv->login_timeout = 4;
1647
1648 /*
1649 * Set default host adapter parameters
1650 */
1651 nv->host_p[1] = BIT_2;
1652 nv->reset_delay = 5;
1653 nv->port_down_retry_count = 8;
1654 nv->max_luns_per_target = __constant_cpu_to_le16(8);
1655 nv->link_down_timeout = 60;
1656
1657 rval = 1;
1da177e4
LT		 1658 }
1659
1660#if defined(CONFIG_IA64_GENERIC) || defined(CONFIG_IA64_SGI_SN2)
1661 /*
1662 * The SN2 does not provide BIOS emulation which means you can't change
1663 * potentially bogus BIOS settings. Force the use of default settings
1664 * for link rate and frame size. Hope that the rest of the settings
1665 * are valid.
1666 */
1667 if (ia64_platform_is("sn2")) {
1668 nv->frame_payload_size = __constant_cpu_to_le16(2048);
1669 if (IS_QLA23XX(ha))
1670 nv->special_options[1] = BIT_7;
1671 }
1672#endif
1673
1674 /* Reset Initialization control block */
0107109e 1675 memset(icb, 0, ha->init_cb_size);
1da177e4
LT		 1676
1677 /*
1678 * Setup driver NVRAM options.
1679 */
1680 nv->firmware_options[0] |= (BIT_6 | BIT_1);
1681 nv->firmware_options[0] &= ~(BIT_5 | BIT_4);
1682 nv->firmware_options[1] |= (BIT_5 | BIT_0);
1683 nv->firmware_options[1] &= ~BIT_4;
1684
1685 if (IS_QLA23XX(ha)) {
1686 nv->firmware_options[0] |= BIT_2;
1687 nv->firmware_options[0] &= ~BIT_3;
0107109e 1688 nv->add_firmware_options[1] |= BIT_5 | BIT_4;
1da177e4
LT		 1689
1690 if (IS_QLA2300(ha)) {
1691 if (ha->fb_rev == FPM_2310) {
1692 strcpy(ha->model_number, "QLA2310");
1693 } else {
1694 strcpy(ha->model_number, "QLA2300");
1695 }
1696 } else {
9bb9fcf2
AV		 1697 qla2x00_set_model_info(ha, nv->model_number,
1698 sizeof(nv->model_number), "QLA23xx");
1da177e4
LT		 1699 }
1700 } else if (IS_QLA2200(ha)) {
1701 nv->firmware_options[0] |= BIT_2;
1702 /*
1703 * 'Point-to-point preferred, else loop' is not a safe
1704 * connection mode setting.
1705 */
1706 if ((nv->add_firmware_options[0] & (BIT_6 | BIT_5 | BIT_4)) ==
1707 (BIT_5 | BIT_4)) {
1708 /* Force 'loop preferred, else point-to-point'. */
1709 nv->add_firmware_options[0] &= ~(BIT_6 | BIT_5 | BIT_4);
1710 nv->add_firmware_options[0] |= BIT_5;
1711 }
1712 strcpy(ha->model_number, "QLA22xx");
1713 } else /*if (IS_QLA2100(ha))*/ {
1714 strcpy(ha->model_number, "QLA2100");
1715 }
1716
1717 /*
1718 * Copy over NVRAM RISC parameter block to initialization control block.
1719 */
1720 dptr1 = (uint8_t *)icb;
1721 dptr2 = (uint8_t *)&nv->parameter_block_version;
1722 cnt = (uint8_t *)&icb->request_q_outpointer - (uint8_t *)&icb->version;
1723 while (cnt--)
1724 *dptr1++ = *dptr2++;
1725
1726 /* Copy 2nd half. */
1727 dptr1 = (uint8_t *)icb->add_firmware_options;
1728 cnt = (uint8_t *)icb->reserved_3 - (uint8_t *)icb->add_firmware_options;
1729 while (cnt--)
1730 *dptr1++ = *dptr2++;
1731
5341e868
AV		 1732 /* Use alternate WWN? */
1733 if (nv->host_p[1] & BIT_7) {
1734 memcpy(icb->node_name, nv->alternate_node_name, WWN_SIZE);
1735 memcpy(icb->port_name, nv->alternate_port_name, WWN_SIZE);
1736 }
1737
1da177e4
LT		 1738 /* Prepare nodename */
1739 if ((icb->firmware_options[1] & BIT_6) == 0) {
1740 /*
1741 * Firmware will apply the following mask if the nodename was
1742 * not provided.
1743 */
1744 memcpy(icb->node_name, icb->port_name, WWN_SIZE);
1745 icb->node_name[0] &= 0xF0;
1746 }
1747
1748 /*
1749 * Set host adapter parameters.
1750 */
0181944f 1751 if (nv->host_p[0] & BIT_7)
11010fec 1752 ql2xextended_error_logging = 1;
1da177e4
LT		 1753 ha->flags.disable_risc_code_load = ((nv->host_p[0] & BIT_4) ? 1 : 0);
1754 /* Always load RISC code on non ISP2[12]00 chips. */
1755 if (!IS_QLA2100(ha) && !IS_QLA2200(ha))
1756 ha->flags.disable_risc_code_load = 0;
1757 ha->flags.enable_lip_reset = ((nv->host_p[1] & BIT_1) ? 1 : 0);
1758 ha->flags.enable_lip_full_login = ((nv->host_p[1] & BIT_2) ? 1 : 0);
1759 ha->flags.enable_target_reset = ((nv->host_p[1] & BIT_3) ? 1 : 0);
06c22bd1 1760 ha->flags.enable_led_scheme = (nv->special_options[1] & BIT_4) ? 1 : 0;
d4c760c2 1761 ha->flags.disable_serdes = 0;
1da177e4
LT		 1762
1763 ha->operating_mode =
1764 (icb->add_firmware_options[0] & (BIT_6 | BIT_5 | BIT_4)) >> 4;
1765
1766 memcpy(ha->fw_seriallink_options, nv->seriallink_options,
1767 sizeof(ha->fw_seriallink_options));
1768
1769 /* save HBA serial number */
1770 ha->serial0 = icb->port_name[5];
1771 ha->serial1 = icb->port_name[6];
1772 ha->serial2 = icb->port_name[7];
3d71644c
AV		 1773 ha->node_name = icb->node_name;
1774 ha->port_name = icb->port_name;
1da177e4
LT		 1775
1776 icb->execution_throttle = __constant_cpu_to_le16(0xFFFF);
1777
1778 ha->retry_count = nv->retry_count;
1779
1780 /* Set minimum login_timeout to 4 seconds. */
1781 if (nv->login_timeout < ql2xlogintimeout)
1782 nv->login_timeout = ql2xlogintimeout;
1783 if (nv->login_timeout < 4)
1784 nv->login_timeout = 4;
1785 ha->login_timeout = nv->login_timeout;
1786 icb->login_timeout = nv->login_timeout;
1787
00a537b8
AV		 1788 /* Set minimum RATOV to 100 tenths of a second. */
1789 ha->r_a_tov = 100;
1da177e4 1790
1da177e4
LT		 1791 ha->loop_reset_delay = nv->reset_delay;
1792
1da177e4
LT		 1793 /* Link Down Timeout = 0:
1794 *
1795 * When Port Down timer expires we will start returning
1796 * I/O's to OS with "DID_NO_CONNECT".
1797 *
1798 * Link Down Timeout != 0:
1799 *
1800 * The driver waits for the link to come up after link down
1801 * before returning I/Os to OS with "DID_NO_CONNECT".
fa2a1ce5 1802 */
1da177e4
LT		 1803 if (nv->link_down_timeout == 0) {
1804 ha->loop_down_abort_time =
354d6b21 1805 (LOOP_DOWN_TIME - LOOP_DOWN_TIMEOUT);
1da177e4
LT		 1806 } else {
1807 ha->link_down_timeout = nv->link_down_timeout;
1808 ha->loop_down_abort_time =
1809 (LOOP_DOWN_TIME - ha->link_down_timeout);
fa2a1ce5 1810 }
1da177e4 1811
1da177e4
LT		 1812 /*
1813 * Need enough time to try and get the port back.
1814 */
1815 ha->port_down_retry_count = nv->port_down_retry_count;
1816 if (qlport_down_retry)
1817 ha->port_down_retry_count = qlport_down_retry;
1818 /* Set login_retry_count */
1819 ha->login_retry_count = nv->retry_count;
1820 if (ha->port_down_retry_count == nv->port_down_retry_count &&
1821 ha->port_down_retry_count > 3)
1822 ha->login_retry_count = ha->port_down_retry_count;
1823 else if (ha->port_down_retry_count > (int)ha->login_retry_count)
1824 ha->login_retry_count = ha->port_down_retry_count;
1825 if (ql2xloginretrycount)
1826 ha->login_retry_count = ql2xloginretrycount;
1827
1da177e4
LT		 1828 icb->lun_enables = __constant_cpu_to_le16(0);
1829 icb->command_resource_count = 0;
1830 icb->immediate_notify_resource_count = 0;
1831 icb->timeout = __constant_cpu_to_le16(0);
1832
1833 if (IS_QLA2100(ha) || IS_QLA2200(ha)) {
1834 /* Enable RIO */
1835 icb->firmware_options[0] &= ~BIT_3;
1836 icb->add_firmware_options[0] &=
1837 ~(BIT_3 | BIT_2 | BIT_1 | BIT_0);
1838 icb->add_firmware_options[0] |= BIT_2;
1839 icb->response_accumulation_timer = 3;
1840 icb->interrupt_delay_timer = 5;
1841
1842 ha->flags.process_response_queue = 1;
1843 } else {
4fdfefe5
AV		 1844 /* Enable ZIO. */
1845 if (!ha->flags.init_done) {
1846 ha->zio_mode = icb->add_firmware_options[0] &
1847 (BIT_3 | BIT_2 | BIT_1 | BIT_0);
1848 ha->zio_timer = icb->interrupt_delay_timer ?
1849 icb->interrupt_delay_timer: 2;
1850 }
1da177e4
LT		 1851 icb->add_firmware_options[0] &=
1852 ~(BIT_3 | BIT_2 | BIT_1 | BIT_0);
4fdfefe5
AV		 1853 ha->flags.process_response_queue = 0;
1854 if (ha->zio_mode != QLA_ZIO_DISABLED) {
4a59f71d
AV		 1855 ha->zio_mode = QLA_ZIO_MODE_6;
1856
4fdfefe5
AV		 1857 DEBUG2(printk("scsi(%ld): ZIO mode %d enabled; timer "
1858 "delay (%d us).\n", ha->host_no, ha->zio_mode,
1859 ha->zio_timer * 100));
1da177e4 1860 qla_printk(KERN_INFO, ha,
4fdfefe5
AV		 1861 "ZIO mode %d enabled; timer delay (%d us).\n",
1862 ha->zio_mode, ha->zio_timer * 100);
1da177e4 1863
4fdfefe5
AV		 1864 icb->add_firmware_options[0] |= (uint8_t)ha->zio_mode;
1865 icb->interrupt_delay_timer = (uint8_t)ha->zio_timer;
1da177e4
LT		 1866 ha->flags.process_response_queue = 1;
1867 }
1868 }
1869
4e08df3f
DM		 1870 if (rval) {
1871 DEBUG2_3(printk(KERN_WARNING
1872 "scsi(%ld): NVRAM configuration failed!\n", ha->host_no));
1873 }
1874 return (rval);
1da177e4
LT		 1875}
1876
19a7b4ae
JSEC		 1877static void
1878qla2x00_rport_del(void *data)
1879{
1880 fc_port_t *fcport = data;
d97994dc 1881 struct fc_rport *rport;
d97994dc 1882
5f3a9a20 1883 spin_lock_irq(fcport->ha->host->host_lock);
d97994dc
AV		 1884 rport = fcport->drport;
1885 fcport->drport = NULL;
5f3a9a20 1886 spin_unlock_irq(fcport->ha->host->host_lock);
d97994dc
AV		 1887 if (rport)
1888 fc_remote_port_delete(rport);
19a7b4ae
JSEC		 1889}
1890
1da177e4
LT		 1891/**
1892 * qla2x00_alloc_fcport() - Allocate a generic fcport.
1893 * @ha: HA context
1894 * @flags: allocation flags
1895 *
1896 * Returns a pointer to the allocated fcport, or NULL, if none available.
1897 */
413975a0 1898static fc_port_t *
c53033f6 1899qla2x00_alloc_fcport(scsi_qla_host_t *ha, gfp_t flags)
1da177e4
LT		 1900{
1901 fc_port_t *fcport;
1902
bbfbbbc1
MK		 1903 fcport = kzalloc(sizeof(fc_port_t), flags);
1904 if (!fcport)
1905 return NULL;
1da177e4
LT		 1906
1907 /* Setup fcport template structure. */
1da177e4 1908 fcport->ha = ha;
2c3dfe3f 1909 fcport->vp_idx = ha->vp_idx;
1da177e4
LT		 1910 fcport->port_type = FCT_UNKNOWN;
1911 fcport->loop_id = FC_NO_LOOP_ID;
1da177e4
LT		 1912 atomic_set(&fcport->state, FCS_UNCONFIGURED);
1913 fcport->flags = FCF_RLC_SUPPORT;
ad3e0eda 1914 fcport->supported_classes = FC_COS_UNSPECIFIED;
1da177e4 1915
bbfbbbc1 1916 return fcport;
1da177e4
LT		 1917}
1918
1919/*
1920 * qla2x00_configure_loop
1921 * Updates Fibre Channel Device Database with what is actually on loop.
1922 *
1923 * Input:
1924 * ha = adapter block pointer.
1925 *
1926 * Returns:
1927 * 0 = success.
1928 * 1 = error.
1929 * 2 = database was full and device was not configured.
1930 */
1931static int
fa2a1ce5 1932qla2x00_configure_loop(scsi_qla_host_t *ha)
1da177e4
LT		 1933{
1934 int rval;
1935 unsigned long flags, save_flags;
1936
1937 rval = QLA_SUCCESS;
1938
1939 /* Get Initiator ID */
1940 if (test_bit(LOCAL_LOOP_UPDATE, &ha->dpc_flags)) {
1941 rval = qla2x00_configure_hba(ha);
1942 if (rval != QLA_SUCCESS) {
1943 DEBUG(printk("scsi(%ld): Unable to configure HBA.\n",
1944 ha->host_no));
1945 return (rval);
1946 }
1947 }
1948
1949 save_flags = flags = ha->dpc_flags;
1950 DEBUG(printk("scsi(%ld): Configure loop -- dpc flags =0x%lx\n",
1951 ha->host_no, flags));
1952
1953 /*
1954 * If we have both an RSCN and PORT UPDATE pending then handle them
1955 * both at the same time.
1956 */
1957 clear_bit(LOCAL_LOOP_UPDATE, &ha->dpc_flags);
1958 clear_bit(RSCN_UPDATE, &ha->dpc_flags);
1da177e4
LT		 1959
1960 /* Determine what we need to do */
1961 if (ha->current_topology == ISP_CFG_FL &&
1962 (test_bit(LOCAL_LOOP_UPDATE, &flags))) {
1963
1964 ha->flags.rscn_queue_overflow = 1;
1965 set_bit(RSCN_UPDATE, &flags);
1966
1967 } else if (ha->current_topology == ISP_CFG_F &&
1968 (test_bit(LOCAL_LOOP_UPDATE, &flags))) {
1969
1970 ha->flags.rscn_queue_overflow = 1;
1971 set_bit(RSCN_UPDATE, &flags);
1972 clear_bit(LOCAL_LOOP_UPDATE, &flags);
21333b48
AV		 1973
1974 } else if (ha->current_topology == ISP_CFG_N) {
1975 clear_bit(RSCN_UPDATE, &flags);
1da177e4
LT		 1976
1977 } else if (!ha->flags.online ||
1978 (test_bit(ABORT_ISP_ACTIVE, &flags))) {
1979
1980 ha->flags.rscn_queue_overflow = 1;
1981 set_bit(RSCN_UPDATE, &flags);
1982 set_bit(LOCAL_LOOP_UPDATE, &flags);
1983 }
1984
1985 if (test_bit(LOCAL_LOOP_UPDATE, &flags)) {
1986 if (test_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags)) {
1987 rval = QLA_FUNCTION_FAILED;
1988 } else {
1989 rval = qla2x00_configure_local_loop(ha);
1990 }
1991 }
1992
1993 if (rval == QLA_SUCCESS && test_bit(RSCN_UPDATE, &flags)) {
23443b1d 1994 if (LOOP_TRANSITION(ha)) {
1da177e4
LT		 1995 rval = QLA_FUNCTION_FAILED;
1996 } else {
1997 rval = qla2x00_configure_fabric(ha);
1998 }
1999 }
2000
2001 if (rval == QLA_SUCCESS) {
2002 if (atomic_read(&ha->loop_down_timer) ||
2003 test_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags)) {
2004 rval = QLA_FUNCTION_FAILED;
2005 } else {
1da177e4
LT		 2006 atomic_set(&ha->loop_state, LOOP_READY);
2007
2008 DEBUG(printk("scsi(%ld): LOOP READY\n", ha->host_no));
2009 }
2010 }
2011
2012 if (rval) {
2013 DEBUG2_3(printk("%s(%ld): *** FAILED ***\n",
2014 __func__, ha->host_no));
2015 } else {
2016 DEBUG3(printk("%s: exiting normally\n", __func__));
2017 }
2018
2019 /* Restore state if a resync event occured during processing */
2020 if (test_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags)) {
2021 if (test_bit(LOCAL_LOOP_UPDATE, &save_flags))
2022 set_bit(LOCAL_LOOP_UPDATE, &ha->dpc_flags);
5de1f70f
SJ		 2023 if (test_bit(RSCN_UPDATE, &save_flags)) {
2024 ha->flags.rscn_queue_overflow = 1;
1da177e4 2025 set_bit(RSCN_UPDATE, &ha->dpc_flags);
5de1f70f 2026 }
1da177e4
LT		 2027 }
2028
2029 return (rval);
2030}
2031
2032
2033
2034/*
2035 * qla2x00_configure_local_loop
2036 * Updates Fibre Channel Device Database with local loop devices.
2037 *
2038 * Input:
2039 * ha = adapter block pointer.
2040 *
2041 * Returns:
2042 * 0 = success.
2043 */
2044static int
fa2a1ce5 2045qla2x00_configure_local_loop(scsi_qla_host_t *ha)
1da177e4
LT		 2046{
2047 int rval, rval2;
2048 int found_devs;
2049 int found;
2050 fc_port_t *fcport, *new_fcport;
2051
2052 uint16_t index;
2053 uint16_t entries;
2054 char *id_iter;
2055 uint16_t loop_id;
2056 uint8_t domain, area, al_pa;
2c3dfe3f 2057 scsi_qla_host_t *pha = to_qla_parent(ha);
1da177e4
LT		 2058
2059 found_devs = 0;
2060 new_fcport = NULL;
2061 entries = MAX_FIBRE_DEVICES;
2062
2063 DEBUG3(printk("scsi(%ld): Getting FCAL position map\n", ha->host_no));
2064 DEBUG3(qla2x00_get_fcal_position_map(ha, NULL));
2065
2066 /* Get list of logged in devices. */
2067 memset(ha->gid_list, 0, GID_LIST_SIZE);
2068 rval = qla2x00_get_id_list(ha, ha->gid_list, ha->gid_list_dma,
2069 &entries);
2070 if (rval != QLA_SUCCESS)
2071 goto cleanup_allocation;
2072
2073 DEBUG3(printk("scsi(%ld): Entries in ID list (%d)\n",
2074 ha->host_no, entries));
2075 DEBUG3(qla2x00_dump_buffer((uint8_t *)ha->gid_list,
2076 entries * sizeof(struct gid_list_info)));
2077
2078 /* Allocate temporary fcport for any new fcports discovered. */
2079 new_fcport = qla2x00_alloc_fcport(ha, GFP_KERNEL);
2080 if (new_fcport == NULL) {
2081 rval = QLA_MEMORY_ALLOC_FAILED;
2082 goto cleanup_allocation;
2083 }
2084 new_fcport->flags &= ~FCF_FABRIC_DEVICE;
2085
2086 /*
2087 * Mark local devices that were present with FCF_DEVICE_LOST for now.
2088 */
2c3dfe3f
SJ		 2089 list_for_each_entry(fcport, &pha->fcports, list) {
2090 if (fcport->vp_idx != ha->vp_idx)
2091 continue;
2092
1da177e4
LT		 2093 if (atomic_read(&fcport->state) == FCS_ONLINE &&
2094 fcport->port_type != FCT_BROADCAST &&
2095 (fcport->flags & FCF_FABRIC_DEVICE) == 0) {
2096
2097 DEBUG(printk("scsi(%ld): Marking port lost, "
2098 "loop_id=0x%04x\n",
2099 ha->host_no, fcport->loop_id));
2100
2101 atomic_set(&fcport->state, FCS_DEVICE_LOST);
2102 fcport->flags &= ~FCF_FARP_DONE;
2103 }
2104 }
2105
2106 /* Add devices to port list. */
2107 id_iter = (char *)ha->gid_list;
2108 for (index = 0; index < entries; index++) {
2109 domain = ((struct gid_list_info *)id_iter)->domain;
2110 area = ((struct gid_list_info *)id_iter)->area;
2111 al_pa = ((struct gid_list_info *)id_iter)->al_pa;
abbd8870 2112 if (IS_QLA2100(ha) || IS_QLA2200(ha))
1da177e4
LT		 2113 loop_id = (uint16_t)
2114 ((struct gid_list_info *)id_iter)->loop_id_2100;
abbd8870 2115 else
1da177e4
LT		 2116 loop_id = le16_to_cpu(
2117 ((struct gid_list_info *)id_iter)->loop_id);
abbd8870 2118 id_iter += ha->gid_list_info_size;
1da177e4
LT		 2119
2120 /* Bypass reserved domain fields. */
2121 if ((domain & 0xf0) == 0xf0)
2122 continue;
2123
2124 /* Bypass if not same domain and area of adapter. */
f7d289f6
AV		 2125 if (area && domain &&
2126 (area != ha->d_id.b.area || domain != ha->d_id.b.domain))
1da177e4
LT		 2127 continue;
2128
2129 /* Bypass invalid local loop ID. */
2130 if (loop_id > LAST_LOCAL_LOOP_ID)
2131 continue;
2132
2133 /* Fill in member data. */
2134 new_fcport->d_id.b.domain = domain;
2135 new_fcport->d_id.b.area = area;
2136 new_fcport->d_id.b.al_pa = al_pa;
2137 new_fcport->loop_id = loop_id;
2c3dfe3f 2138 new_fcport->vp_idx = ha->vp_idx;
1da177e4
LT		 2139 rval2 = qla2x00_get_port_database(ha, new_fcport, 0);
2140 if (rval2 != QLA_SUCCESS) {
2141 DEBUG2(printk("scsi(%ld): Failed to retrieve fcport "
2142 "information -- get_port_database=%x, "
2143 "loop_id=0x%04x\n",
2144 ha->host_no, rval2, new_fcport->loop_id));
c9d02acf
AV		 2145 DEBUG2(printk("scsi(%ld): Scheduling resync...\n",
2146 ha->host_no));
2147 set_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags);
1da177e4
LT		 2148 continue;
2149 }
2150
2151 /* Check for matching device in port list. */
2152 found = 0;
2153 fcport = NULL;
2c3dfe3f
SJ		 2154 list_for_each_entry(fcport, &pha->fcports, list) {
2155 if (fcport->vp_idx != ha->vp_idx)
2156 continue;
2157
1da177e4
LT		 2158 if (memcmp(new_fcport->port_name, fcport->port_name,
2159 WWN_SIZE))
2160 continue;
2161
2162 fcport->flags &= ~(FCF_FABRIC_DEVICE |
2163 FCF_PERSISTENT_BOUND);
2164 fcport->loop_id = new_fcport->loop_id;
2165 fcport->port_type = new_fcport->port_type;
2166 fcport->d_id.b24 = new_fcport->d_id.b24;
2167 memcpy(fcport->node_name, new_fcport->node_name,
2168 WWN_SIZE);
2169
2170 found++;
2171 break;
2172 }
2173
2174 if (!found) {
2175 /* New device, add to fcports list. */
2176 new_fcport->flags &= ~FCF_PERSISTENT_BOUND;
2c3dfe3f
SJ		 2177 if (ha->parent) {
2178 new_fcport->ha = ha;
2179 new_fcport->vp_idx = ha->vp_idx;
2180 list_add_tail(&new_fcport->vp_fcport,
2181 &ha->vp_fcports);
2182 }
2183 list_add_tail(&new_fcport->list, &pha->fcports);
1da177e4
LT		 2184
2185 /* Allocate a new replacement fcport. */
2186 fcport = new_fcport;
2187 new_fcport = qla2x00_alloc_fcport(ha, GFP_KERNEL);
2188 if (new_fcport == NULL) {
2189 rval = QLA_MEMORY_ALLOC_FAILED;
2190 goto cleanup_allocation;
2191 }
2192 new_fcport->flags &= ~FCF_FABRIC_DEVICE;
2193 }
2194
d8b45213 2195 /* Base iIDMA settings on HBA port speed. */
a3cbdfad 2196 fcport->fp_speed = ha->link_data_rate;
d8b45213 2197
1da177e4
LT		 2198 qla2x00_update_fcport(ha, fcport);
2199
2200 found_devs++;
2201 }
2202
2203cleanup_allocation:
c9475cb0 2204 kfree(new_fcport);
1da177e4
LT		 2205
2206 if (rval != QLA_SUCCESS) {
2207 DEBUG2(printk("scsi(%ld): Configure local loop error exit: "
2208 "rval=%x\n", ha->host_no, rval));
2209 }
2210
2211 if (found_devs) {
2212 ha->device_flags |= DFLG_LOCAL_DEVICES;
2213 ha->device_flags &= ~DFLG_RETRY_LOCAL_DEVICES;
2214 }
2215
2216 return (rval);
2217}
2218
d8b45213
AV		 2219static void
2220qla2x00_iidma_fcport(scsi_qla_host_t *ha, fc_port_t *fcport)
2221{
2222#define LS_UNKNOWN 2
a3cbdfad 2223 static char *link_speeds[5] = { "1", "2", "?", "4", "8" };
d8b45213 2224 int rval;
a3cbdfad 2225 uint16_t mb[6];
d8b45213 2226
c76f2c01 2227 if (!IS_IIDMA_CAPABLE(ha))
d8b45213
AV		 2228 return;
2229
39bd9622
AV		 2230 if (fcport->fp_speed == PORT_SPEED_UNKNOWN ||
2231 fcport->fp_speed > ha->link_data_rate)
d8b45213
AV		 2232 return;
2233
a3cbdfad
AV		 2234 rval = qla2x00_set_idma_speed(ha, fcport->loop_id, fcport->fp_speed,
2235 mb);
d8b45213
AV		 2236 if (rval != QLA_SUCCESS) {
2237 DEBUG2(printk("scsi(%ld): Unable to adjust iIDMA "
2238 "%02x%02x%02x%02x%02x%02x%02x%02x -- %04x %x %04x %04x.\n",
2239 ha->host_no, fcport->port_name[0], fcport->port_name[1],
2240 fcport->port_name[2], fcport->port_name[3],
2241 fcport->port_name[4], fcport->port_name[5],
2242 fcport->port_name[6], fcport->port_name[7], rval,
a3cbdfad 2243 fcport->fp_speed, mb[0], mb[1]));
d8b45213
AV		 2244 } else {
2245 DEBUG2(qla_printk(KERN_INFO, ha,
2246 "iIDMA adjusted to %s GB/s on "
2247 "%02x%02x%02x%02x%02x%02x%02x%02x.\n",
a3cbdfad 2248 link_speeds[fcport->fp_speed], fcport->port_name[0],
d8b45213
AV		 2249 fcport->port_name[1], fcport->port_name[2],
2250 fcport->port_name[3], fcport->port_name[4],
2251 fcport->port_name[5], fcport->port_name[6],
2252 fcport->port_name[7]));
2253 }
2254}
2255
23be331d 2256static void
8482e118
AV		 2257qla2x00_reg_remote_port(scsi_qla_host_t *ha, fc_port_t *fcport)
2258{
2259 struct fc_rport_identifiers rport_ids;
bdf79621 2260 struct fc_rport *rport;
8482e118 2261
d97994dc
AV		 2262 if (fcport->drport)
2263 qla2x00_rport_del(fcport);
8482e118 2264
f8b02a85
AV		 2265 rport_ids.node_name = wwn_to_u64(fcport->node_name);
2266 rport_ids.port_name = wwn_to_u64(fcport->port_name);
8482e118
AV		 2267 rport_ids.port_id = fcport->d_id.b.domain << 16 |
2268 fcport->d_id.b.area << 8 | fcport->d_id.b.al_pa;
77d74143 2269 rport_ids.roles = FC_RPORT_ROLE_UNKNOWN;
5f3a9a20 2270 fcport->rport = rport = fc_remote_port_add(ha->host, 0, &rport_ids);
77d74143
AV		 2271 if (!rport) {
2272 qla_printk(KERN_WARNING, ha,
2273 "Unable to allocate fc remote port!\n");
2274 return;
2275 }
5f3a9a20 2276 spin_lock_irq(fcport->ha->host->host_lock);
19a7b4ae 2277 *((fc_port_t **)rport->dd_data) = fcport;
5f3a9a20 2278 spin_unlock_irq(fcport->ha->host->host_lock);
d97994dc 2279
ad3e0eda 2280 rport->supported_classes = fcport->supported_classes;
77d74143 2281
8482e118
AV		 2282 rport_ids.roles = FC_RPORT_ROLE_UNKNOWN;
2283 if (fcport->port_type == FCT_INITIATOR)
2284 rport_ids.roles |= FC_RPORT_ROLE_FCP_INITIATOR;
2285 if (fcport->port_type == FCT_TARGET)
2286 rport_ids.roles |= FC_RPORT_ROLE_FCP_TARGET;
77d74143 2287 fc_remote_port_rolechg(rport, rport_ids.roles);
1da177e4
LT		 2288}
2289
23be331d
AB		 2290/*
2291 * qla2x00_update_fcport
2292 * Updates device on list.
2293 *
2294 * Input:
2295 * ha = adapter block pointer.
2296 * fcport = port structure pointer.
2297 *
2298 * Return:
2299 * 0 - Success
2300 * BIT_0 - error
2301 *
2302 * Context:
2303 * Kernel context.
2304 */
2305void
2306qla2x00_update_fcport(scsi_qla_host_t *ha, fc_port_t *fcport)
2307{
2c3dfe3f
SJ		 2308 scsi_qla_host_t *pha = to_qla_parent(ha);
2309
23be331d
AB		 2310 fcport->ha = ha;
2311 fcport->login_retry = 0;
2c3dfe3f 2312 fcport->port_login_retry_count = pha->port_down_retry_count *
23be331d 2313 PORT_RETRY_TIME;
2c3dfe3f 2314 atomic_set(&fcport->port_down_timer, pha->port_down_retry_count *
23be331d
AB		 2315 PORT_RETRY_TIME);
2316 fcport->flags &= ~FCF_LOGIN_NEEDED;
2317
2318 qla2x00_iidma_fcport(ha, fcport);
2319
2320 atomic_set(&fcport->state, FCS_ONLINE);
2321
2322 qla2x00_reg_remote_port(ha, fcport);
2323}
2324
1da177e4
LT		 2325/*
2326 * qla2x00_configure_fabric
2327 * Setup SNS devices with loop ID's.
2328 *
2329 * Input:
2330 * ha = adapter block pointer.
2331 *
2332 * Returns:
2333 * 0 = success.
2334 * BIT_0 = error
2335 */
2336static int
2337qla2x00_configure_fabric(scsi_qla_host_t *ha)
2338{
2339 int rval, rval2;
2340 fc_port_t *fcport, *fcptemp;
2341 uint16_t next_loopid;
2342 uint16_t mb[MAILBOX_REGISTER_COUNT];
0107109e 2343 uint16_t loop_id;
1da177e4 2344 LIST_HEAD(new_fcports);
2c3dfe3f 2345 scsi_qla_host_t *pha = to_qla_parent(ha);
1da177e4
LT		 2346
2347 /* If FL port exists, then SNS is present */
e428924c 2348 if (IS_FWI2_CAPABLE(ha))
0107109e
AV		 2349 loop_id = NPH_F_PORT;
2350 else
2351 loop_id = SNS_FL_PORT;
90991c85 2352 rval = qla2x00_get_port_name(ha, loop_id, ha->fabric_node_name, 1);
1da177e4
LT		 2353 if (rval != QLA_SUCCESS) {
2354 DEBUG2(printk("scsi(%ld): MBC_GET_PORT_NAME Failed, No FL "
2355 "Port\n", ha->host_no));
2356
2357 ha->device_flags &= ~SWITCH_FOUND;
2358 return (QLA_SUCCESS);
2359 }
90991c85 2360 ha->device_flags |= SWITCH_FOUND;
1da177e4
LT		 2361
2362 /* Mark devices that need re-synchronization. */
2363 rval2 = qla2x00_device_resync(ha);
2364 if (rval2 == QLA_RSCNS_HANDLED) {
2365 /* No point doing the scan, just continue. */
2366 return (QLA_SUCCESS);
2367 }
2368 do {
cca5335c
AV		 2369 /* FDMI support. */
2370 if (ql2xfdmienable &&
2371 test_and_clear_bit(REGISTER_FDMI_NEEDED, &ha->dpc_flags))
2372 qla2x00_fdmi_register(ha);
2373
1da177e4 2374 /* Ensure we are logged into the SNS. */
e428924c 2375 if (IS_FWI2_CAPABLE(ha))
0107109e
AV		 2376 loop_id = NPH_SNS;
2377 else
2378 loop_id = SIMPLE_NAME_SERVER;
fd34f556 2379 ha->isp_ops->fabric_login(ha, loop_id, 0xff, 0xff,
abbd8870 2380 0xfc, mb, BIT_1 | BIT_0);
1da177e4
LT		 2381 if (mb[0] != MBS_COMMAND_COMPLETE) {
2382 DEBUG2(qla_printk(KERN_INFO, ha,
2383 "Failed SNS login: loop_id=%x mb[0]=%x mb[1]=%x "
0107109e 2384 "mb[2]=%x mb[6]=%x mb[7]=%x\n", loop_id,
1da177e4
LT		 2385 mb[0], mb[1], mb[2], mb[6], mb[7]));
2386 return (QLA_SUCCESS);
2387 }
2388
2389 if (test_and_clear_bit(REGISTER_FC4_NEEDED, &ha->dpc_flags)) {
2390 if (qla2x00_rft_id(ha)) {
2391 /* EMPTY */
2392 DEBUG2(printk("scsi(%ld): Register FC-4 "
2393 "TYPE failed.\n", ha->host_no));
2394 }
2395 if (qla2x00_rff_id(ha)) {
2396 /* EMPTY */
2397 DEBUG2(printk("scsi(%ld): Register FC-4 "
2398 "Features failed.\n", ha->host_no));
2399 }
2400 if (qla2x00_rnn_id(ha)) {
2401 /* EMPTY */
2402 DEBUG2(printk("scsi(%ld): Register Node Name "
2403 "failed.\n", ha->host_no));
2404 } else if (qla2x00_rsnn_nn(ha)) {
2405 /* EMPTY */
2406 DEBUG2(printk("scsi(%ld): Register Symbolic "
2407 "Node Name failed.\n", ha->host_no));
2408 }
2409 }
2410
2411 rval = qla2x00_find_all_fabric_devs(ha, &new_fcports);
2412 if (rval != QLA_SUCCESS)
2413 break;
2414
2415 /*
2416 * Logout all previous fabric devices marked lost, except
2417 * tape devices.
2418 */
2c3dfe3f
SJ		 2419 list_for_each_entry(fcport, &pha->fcports, list) {
2420 if (fcport->vp_idx !=ha->vp_idx)
2421 continue;
2422
1da177e4
LT		 2423 if (test_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags))
2424 break;
2425
2426 if ((fcport->flags & FCF_FABRIC_DEVICE) == 0)
2427 continue;
2428
2429 if (atomic_read(&fcport->state) == FCS_DEVICE_LOST) {
2430 qla2x00_mark_device_lost(ha, fcport,
d97994dc 2431 ql2xplogiabsentdevice, 0);
1da177e4
LT		 2432 if (fcport->loop_id != FC_NO_LOOP_ID &&
2433 (fcport->flags & FCF_TAPE_PRESENT) == 0 &&
2434 fcport->port_type != FCT_INITIATOR &&
2435 fcport->port_type != FCT_BROADCAST) {
fd34f556 2436 ha->isp_ops->fabric_logout(ha,
1c7c6357
AV		 2437 fcport->loop_id,
2438 fcport->d_id.b.domain,
2439 fcport->d_id.b.area,
2440 fcport->d_id.b.al_pa);
1da177e4
LT		 2441 fcport->loop_id = FC_NO_LOOP_ID;
2442 }
2443 }
2444 }
2445
2446 /* Starting free loop ID. */
2c3dfe3f 2447 next_loopid = pha->min_external_loopid;
1da177e4
LT		 2448
2449 /*
2450 * Scan through our port list and login entries that need to be
2451 * logged in.
2452 */
2c3dfe3f
SJ		 2453 list_for_each_entry(fcport, &pha->fcports, list) {
2454 if (fcport->vp_idx != ha->vp_idx)
2455 continue;
2456
1da177e4
LT		 2457 if (atomic_read(&ha->loop_down_timer) ||
2458 test_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags))
2459 break;
2460
2461 if ((fcport->flags & FCF_FABRIC_DEVICE) == 0 ||
2462 (fcport->flags & FCF_LOGIN_NEEDED) == 0)
2463 continue;
2464
2465 if (fcport->loop_id == FC_NO_LOOP_ID) {
2466 fcport->loop_id = next_loopid;
d4486fd6
SJ		 2467 rval = qla2x00_find_new_loop_id(
2468 to_qla_parent(ha), fcport);
1da177e4
LT		 2469 if (rval != QLA_SUCCESS) {
2470 /* Ran out of IDs to use */
2471 break;
2472 }
2473 }
1da177e4
LT		 2474 /* Login and update database */
2475 qla2x00_fabric_dev_login(ha, fcport, &next_loopid);
2476 }
2477
2478 /* Exit if out of loop IDs. */
2479 if (rval != QLA_SUCCESS) {
2480 break;
2481 }
2482
2483 /*
2484 * Login and add the new devices to our port list.
2485 */
2486 list_for_each_entry_safe(fcport, fcptemp, &new_fcports, list) {
2487 if (atomic_read(&ha->loop_down_timer) ||
2488 test_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags))
2489 break;
2490
2491 /* Find a new loop ID to use. */
2492 fcport->loop_id = next_loopid;
d4486fd6
SJ		 2493 rval = qla2x00_find_new_loop_id(to_qla_parent(ha),
2494 fcport);
1da177e4
LT		 2495 if (rval != QLA_SUCCESS) {
2496 /* Ran out of IDs to use */
2497 break;
2498 }
2499
bdf79621
AV		 2500 /* Login and update database */
2501 qla2x00_fabric_dev_login(ha, fcport, &next_loopid);
2c3dfe3f
SJ		 2502
2503 if (ha->parent) {
2504 fcport->ha = ha;
2505 fcport->vp_idx = ha->vp_idx;
2506 list_add_tail(&fcport->vp_fcport,
2507 &ha->vp_fcports);
2508 list_move_tail(&fcport->list,
2509 &ha->parent->fcports);
2510 } else
2511 list_move_tail(&fcport->list, &ha->fcports);
1da177e4
LT		 2512 }
2513 } while (0);
2514
2515 /* Free all new device structures not processed. */
2516 list_for_each_entry_safe(fcport, fcptemp, &new_fcports, list) {
2517 list_del(&fcport->list);
2518 kfree(fcport);
2519 }
2520
2521 if (rval) {
2522 DEBUG2(printk("scsi(%ld): Configure fabric error exit: "
2523 "rval=%d\n", ha->host_no, rval));
2524 }
2525
2526 return (rval);
2527}
2528
2529
2530/*
2531 * qla2x00_find_all_fabric_devs
2532 *
2533 * Input:
2534 * ha = adapter block pointer.
2535 * dev = database device entry pointer.
2536 *
2537 * Returns:
2538 * 0 = success.
2539 *
2540 * Context:
2541 * Kernel context.
2542 */
2543static int
2544qla2x00_find_all_fabric_devs(scsi_qla_host_t *ha, struct list_head *new_fcports)
2545{
2546 int rval;
2547 uint16_t loop_id;
2548 fc_port_t *fcport, *new_fcport, *fcptemp;
2549 int found;
2550
2551 sw_info_t *swl;
2552 int swl_idx;
2553 int first_dev, last_dev;
2554 port_id_t wrap, nxt_d_id;
2c3dfe3f
SJ		 2555 int vp_index;
2556 int empty_vp_index;
2557 int found_vp;
2558 scsi_qla_host_t *vha;
2559 scsi_qla_host_t *pha = to_qla_parent(ha);
1da177e4
LT		 2560
2561 rval = QLA_SUCCESS;
2562
2563 /* Try GID_PT to get device list, else GAN. */
4b89258c 2564 swl = kcalloc(MAX_FIBRE_DEVICES, sizeof(sw_info_t), GFP_KERNEL);
bbfbbbc1 2565 if (!swl) {
1da177e4
LT		 2566 /*EMPTY*/
2567 DEBUG2(printk("scsi(%ld): GID_PT allocations failed, fallback "
2568 "on GA_NXT\n", ha->host_no));
2569 } else {
1da177e4
LT		 2570 if (qla2x00_gid_pt(ha, swl) != QLA_SUCCESS) {
2571 kfree(swl);
2572 swl = NULL;
2573 } else if (qla2x00_gpn_id(ha, swl) != QLA_SUCCESS) {
2574 kfree(swl);
2575 swl = NULL;
2576 } else if (qla2x00_gnn_id(ha, swl) != QLA_SUCCESS) {
2577 kfree(swl);
2578 swl = NULL;
e5896bd5
AV		 2579 } else if (ql2xiidmaenable &&
2580 qla2x00_gfpn_id(ha, swl) == QLA_SUCCESS) {
d8b45213 2581 qla2x00_gpsc(ha, swl);
1da177e4
LT		 2582 }
2583 }
2584 swl_idx = 0;
2585
2586 /* Allocate temporary fcport for any new fcports discovered. */
2587 new_fcport = qla2x00_alloc_fcport(ha, GFP_KERNEL);
2588 if (new_fcport == NULL) {
c9475cb0 2589 kfree(swl);
1da177e4
LT		 2590 return (QLA_MEMORY_ALLOC_FAILED);
2591 }
2592 new_fcport->flags |= (FCF_FABRIC_DEVICE | FCF_LOGIN_NEEDED);
2c3dfe3f 2593 new_fcport->vp_idx = ha->vp_idx;
1da177e4
LT		 2594 /* Set start port ID scan at adapter ID. */
2595 first_dev = 1;
2596 last_dev = 0;
2597
2598 /* Starting free loop ID. */
2c3dfe3f 2599 loop_id = pha->min_external_loopid;
1da177e4 2600 for (; loop_id <= ha->last_loop_id; loop_id++) {
3d71644c 2601 if (qla2x00_is_reserved_id(ha, loop_id))
1da177e4
LT		 2602 continue;
2603
23443b1d 2604 if (atomic_read(&ha->loop_down_timer) || LOOP_TRANSITION(ha))
1da177e4
LT		 2605 break;
2606
2607 if (swl != NULL) {
2608 if (last_dev) {
2609 wrap.b24 = new_fcport->d_id.b24;
2610 } else {
2611 new_fcport->d_id.b24 = swl[swl_idx].d_id.b24;
2612 memcpy(new_fcport->node_name,
2613 swl[swl_idx].node_name, WWN_SIZE);
2614 memcpy(new_fcport->port_name,
2615 swl[swl_idx].port_name, WWN_SIZE);
d8b45213
AV		 2616 memcpy(new_fcport->fabric_port_name,
2617 swl[swl_idx].fabric_port_name, WWN_SIZE);
2618 new_fcport->fp_speed = swl[swl_idx].fp_speed;
1da177e4
LT		 2619
2620 if (swl[swl_idx].d_id.b.rsvd_1 != 0) {
2621 last_dev = 1;
2622 }
2623 swl_idx++;
2624 }
2625 } else {
2626 /* Send GA_NXT to the switch */
2627 rval = qla2x00_ga_nxt(ha, new_fcport);
2628 if (rval != QLA_SUCCESS) {
2629 qla_printk(KERN_WARNING, ha,
2630 "SNS scan failed -- assuming zero-entry "
2631 "result...\n");
2632 list_for_each_entry_safe(fcport, fcptemp,
2633 new_fcports, list) {
2634 list_del(&fcport->list);
2635 kfree(fcport);
2636 }
2637 rval = QLA_SUCCESS;
2638 break;
2639 }
2640 }
2641
2642 /* If wrap on switch device list, exit. */
2643 if (first_dev) {
2644 wrap.b24 = new_fcport->d_id.b24;
2645 first_dev = 0;
2646 } else if (new_fcport->d_id.b24 == wrap.b24) {
2647 DEBUG2(printk("scsi(%ld): device wrap (%02x%02x%02x)\n",
2648 ha->host_no, new_fcport->d_id.b.domain,
2649 new_fcport->d_id.b.area, new_fcport->d_id.b.al_pa));
2650 break;
2651 }
2652
2c3dfe3f
SJ		 2653 /* Bypass if same physical adapter. */
2654 if (new_fcport->d_id.b24 == pha->d_id.b24)
1da177e4
LT		 2655 continue;
2656
2c3dfe3f
SJ		 2657 /* Bypass virtual ports of the same host. */
2658 if (pha->num_vhosts) {
eb66dc60 2659 for_each_mapped_vp_idx(pha, vp_index) {
2c3dfe3f
SJ		 2660 empty_vp_index = 1;
2661 found_vp = 0;
2662 list_for_each_entry(vha, &pha->vp_list,
2663 vp_list) {
2664 if (vp_index == vha->vp_idx) {
2665 empty_vp_index = 0;
2666 found_vp = 1;
2667 break;
2668 }
2669 }
2670
2671 if (empty_vp_index)
2672 continue;
2673
2674 if (found_vp &&
2675 new_fcport->d_id.b24 == vha->d_id.b24)
2676 break;
2677 }
eb66dc60
AV		 2678
2679 if (vp_index <= pha->max_npiv_vports)
2c3dfe3f
SJ		 2680 continue;
2681 }
2682
f7d289f6
AV		 2683 /* Bypass if same domain and area of adapter. */
2684 if (((new_fcport->d_id.b24 & 0xffff00) ==
2685 (ha->d_id.b24 & 0xffff00)) && ha->current_topology ==
2686 ISP_CFG_FL)
2687 continue;
2688
1da177e4
LT		 2689 /* Bypass reserved domain fields. */
2690 if ((new_fcport->d_id.b.domain & 0xf0) == 0xf0)
2691 continue;
2692
2693 /* Locate matching device in database. */
2694 found = 0;
2c3dfe3f
SJ		 2695 list_for_each_entry(fcport, &pha->fcports, list) {
2696 if (new_fcport->vp_idx != fcport->vp_idx)
2697 continue;
1da177e4
LT		 2698 if (memcmp(new_fcport->port_name, fcport->port_name,
2699 WWN_SIZE))
2700 continue;
2701
2702 found++;
2703
d8b45213
AV		 2704 /* Update port state. */
2705 memcpy(fcport->fabric_port_name,
2706 new_fcport->fabric_port_name, WWN_SIZE);
2707 fcport->fp_speed = new_fcport->fp_speed;
2708
1da177e4
LT		 2709 /*
2710 * If address the same and state FCS_ONLINE, nothing
2711 * changed.
2712 */
2713 if (fcport->d_id.b24 == new_fcport->d_id.b24 &&
2714 atomic_read(&fcport->state) == FCS_ONLINE) {
2715 break;
2716 }
2717
2718 /*
2719 * If device was not a fabric device before.
2720 */
2721 if ((fcport->flags & FCF_FABRIC_DEVICE) == 0) {
2722 fcport->d_id.b24 = new_fcport->d_id.b24;
2723 fcport->loop_id = FC_NO_LOOP_ID;
2724 fcport->flags |= (FCF_FABRIC_DEVICE |
2725 FCF_LOGIN_NEEDED);
2726 fcport->flags &= ~FCF_PERSISTENT_BOUND;
2727 break;
2728 }
2729
2730 /*
2731 * Port ID changed or device was marked to be updated;
2732 * Log it out if still logged in and mark it for
2733 * relogin later.
2734 */
2735 fcport->d_id.b24 = new_fcport->d_id.b24;
2736 fcport->flags |= FCF_LOGIN_NEEDED;
2737 if (fcport->loop_id != FC_NO_LOOP_ID &&
2738 (fcport->flags & FCF_TAPE_PRESENT) == 0 &&
2739 fcport->port_type != FCT_INITIATOR &&
2740 fcport->port_type != FCT_BROADCAST) {
fd34f556 2741 ha->isp_ops->fabric_logout(ha, fcport->loop_id,
1c7c6357
AV		 2742 fcport->d_id.b.domain, fcport->d_id.b.area,
2743 fcport->d_id.b.al_pa);
1da177e4
LT		 2744 fcport->loop_id = FC_NO_LOOP_ID;
2745 }
2746
2747 break;
2748 }
2749
2750 if (found)
2751 continue;
2752
2753 /* If device was not in our fcports list, then add it. */
2754 list_add_tail(&new_fcport->list, new_fcports);
2755
2756 /* Allocate a new replacement fcport. */
2757 nxt_d_id.b24 = new_fcport->d_id.b24;
2758 new_fcport = qla2x00_alloc_fcport(ha, GFP_KERNEL);
2759 if (new_fcport == NULL) {
c9475cb0 2760 kfree(swl);
1da177e4
LT		 2761 return (QLA_MEMORY_ALLOC_FAILED);
2762 }
2763 new_fcport->flags |= (FCF_FABRIC_DEVICE | FCF_LOGIN_NEEDED);
2764 new_fcport->d_id.b24 = nxt_d_id.b24;
2c3dfe3f 2765 new_fcport->vp_idx = ha->vp_idx;
1da177e4
LT		 2766 }
2767
c9475cb0
JJ		 2768 kfree(swl);
2769 kfree(new_fcport);
1da177e4
LT		 2770
2771 if (!list_empty(new_fcports))
2772 ha->device_flags |= DFLG_FABRIC_DEVICES;
2773
2774 return (rval);
2775}
2776
2777/*
2778 * qla2x00_find_new_loop_id
2779 * Scan through our port list and find a new usable loop ID.
2780 *
2781 * Input:
2782 * ha: adapter state pointer.
2783 * dev: port structure pointer.
2784 *
2785 * Returns:
2786 * qla2x00 local function return status code.
2787 *
2788 * Context:
2789 * Kernel context.
2790 */
413975a0 2791static int
1da177e4
LT		 2792qla2x00_find_new_loop_id(scsi_qla_host_t *ha, fc_port_t *dev)
2793{
2794 int rval;
2795 int found;
2796 fc_port_t *fcport;
2797 uint16_t first_loop_id;
2c3dfe3f 2798 scsi_qla_host_t *pha = to_qla_parent(ha);
1da177e4
LT		 2799
2800 rval = QLA_SUCCESS;
2801
2802 /* Save starting loop ID. */
2803 first_loop_id = dev->loop_id;
2804
2805 for (;;) {
2806 /* Skip loop ID if already used by adapter. */
2807 if (dev->loop_id == ha->loop_id) {
2808 dev->loop_id++;
2809 }
2810
2811 /* Skip reserved loop IDs. */
3d71644c 2812 while (qla2x00_is_reserved_id(ha, dev->loop_id)) {
1da177e4
LT		 2813 dev->loop_id++;
2814 }
2815
2816 /* Reset loop ID if passed the end. */
2817 if (dev->loop_id > ha->last_loop_id) {
2818 /* first loop ID. */
2819 dev->loop_id = ha->min_external_loopid;
2820 }
2821
2822 /* Check for loop ID being already in use. */
2823 found = 0;
2824 fcport = NULL;
2c3dfe3f 2825 list_for_each_entry(fcport, &pha->fcports, list) {
1da177e4
LT		 2826 if (fcport->loop_id == dev->loop_id && fcport != dev) {
2827 /* ID possibly in use */
2828 found++;
2829 break;
2830 }
2831 }
2832
2833 /* If not in use then it is free to use. */
2834 if (!found) {
2835 break;
2836 }
2837
2838 /* ID in use. Try next value. */
2839 dev->loop_id++;
2840
2841 /* If wrap around. No free ID to use. */
2842 if (dev->loop_id == first_loop_id) {
2843 dev->loop_id = FC_NO_LOOP_ID;
2844 rval = QLA_FUNCTION_FAILED;
2845 break;
2846 }
2847 }
2848
2849 return (rval);
2850}
2851
2852/*
2853 * qla2x00_device_resync
2854 * Marks devices in the database that needs resynchronization.
2855 *
2856 * Input:
2857 * ha = adapter block pointer.
2858 *
2859 * Context:
2860 * Kernel context.
2861 */
2862static int
fa2a1ce5 2863qla2x00_device_resync(scsi_qla_host_t *ha)
1da177e4
LT		 2864{
2865 int rval;
1da177e4
LT		 2866 uint32_t mask;
2867 fc_port_t *fcport;
2868 uint32_t rscn_entry;
2869 uint8_t rscn_out_iter;
2870 uint8_t format;
2871 port_id_t d_id;
2c3dfe3f 2872 scsi_qla_host_t *pha = to_qla_parent(ha);
1da177e4
LT		 2873
2874 rval = QLA_RSCNS_HANDLED;
2875
2876 while (ha->rscn_out_ptr != ha->rscn_in_ptr ||
2877 ha->flags.rscn_queue_overflow) {
2878
2879 rscn_entry = ha->rscn_queue[ha->rscn_out_ptr];
2880 format = MSB(MSW(rscn_entry));
2881 d_id.b.domain = LSB(MSW(rscn_entry));
2882 d_id.b.area = MSB(LSW(rscn_entry));
2883 d_id.b.al_pa = LSB(LSW(rscn_entry));
2884
2885 DEBUG(printk("scsi(%ld): RSCN queue entry[%d] = "
2886 "[%02x/%02x%02x%02x].\n",
2887 ha->host_no, ha->rscn_out_ptr, format, d_id.b.domain,
2888 d_id.b.area, d_id.b.al_pa));
2889
2890 ha->rscn_out_ptr++;
2891 if (ha->rscn_out_ptr == MAX_RSCN_COUNT)
2892 ha->rscn_out_ptr = 0;
2893
2894 /* Skip duplicate entries. */
2895 for (rscn_out_iter = ha->rscn_out_ptr;
2896 !ha->flags.rscn_queue_overflow &&
2897 rscn_out_iter != ha->rscn_in_ptr;
2898 rscn_out_iter = (rscn_out_iter ==
2899 (MAX_RSCN_COUNT - 1)) ? 0: rscn_out_iter + 1) {
2900
2901 if (rscn_entry != ha->rscn_queue[rscn_out_iter])
2902 break;
2903
2904 DEBUG(printk("scsi(%ld): Skipping duplicate RSCN queue "
2905 "entry found at [%d].\n", ha->host_no,
2906 rscn_out_iter));
2907
2908 ha->rscn_out_ptr = rscn_out_iter;
2909 }
2910
2911 /* Queue overflow, set switch default case. */
2912 if (ha->flags.rscn_queue_overflow) {
2913 DEBUG(printk("scsi(%ld): device_resync: rscn "
2914 "overflow.\n", ha->host_no));
2915
2916 format = 3;
2917 ha->flags.rscn_queue_overflow = 0;
2918 }
2919
2920 switch (format) {
2921 case 0:
1da177e4
LT		 2922 mask = 0xffffff;
2923 break;
2924 case 1:
2925 mask = 0xffff00;
2926 break;
2927 case 2:
2928 mask = 0xff0000;
2929 break;
2930 default:
2931 mask = 0x0;
2932 d_id.b24 = 0;
2933 ha->rscn_out_ptr = ha->rscn_in_ptr;
2934 break;
2935 }
2936
2937 rval = QLA_SUCCESS;
2938
2c3dfe3f
SJ		 2939 list_for_each_entry(fcport, &pha->fcports, list) {
2940 if (fcport->vp_idx != ha->vp_idx)
2941 continue;
2942
1da177e4
LT		 2943 if ((fcport->flags & FCF_FABRIC_DEVICE) == 0 ||
2944 (fcport->d_id.b24 & mask) != d_id.b24 ||
2945 fcport->port_type == FCT_BROADCAST)
2946 continue;
2947
2948 if (atomic_read(&fcport->state) == FCS_ONLINE) {
2949 if (format != 3 ||
2950 fcport->port_type != FCT_INITIATOR) {
d97994dc
AV		 2951 qla2x00_mark_device_lost(ha, fcport,
2952 0, 0);
1da177e4
LT		 2953 }
2954 }
2955 fcport->flags &= ~FCF_FARP_DONE;
2956 }
2957 }
2958 return (rval);
2959}
2960
2961/*
2962 * qla2x00_fabric_dev_login
2963 * Login fabric target device and update FC port database.
2964 *
2965 * Input:
2966 * ha: adapter state pointer.
2967 * fcport: port structure list pointer.
2968 * next_loopid: contains value of a new loop ID that can be used
2969 * by the next login attempt.
2970 *
2971 * Returns:
2972 * qla2x00 local function return status code.
2973 *
2974 * Context:
2975 * Kernel context.
2976 */
2977static int
2978qla2x00_fabric_dev_login(scsi_qla_host_t *ha, fc_port_t *fcport,
2979 uint16_t *next_loopid)
2980{
2981 int rval;
2982 int retry;
0107109e 2983 uint8_t opts;
1da177e4
LT		 2984
2985 rval = QLA_SUCCESS;
2986 retry = 0;
2987
2988 rval = qla2x00_fabric_login(ha, fcport, next_loopid);
2989 if (rval == QLA_SUCCESS) {
0107109e
AV		 2990 /* Send an ADISC to tape devices.*/
2991 opts = 0;
2992 if (fcport->flags & FCF_TAPE_PRESENT)
2993 opts |= BIT_1;
2994 rval = qla2x00_get_port_database(ha, fcport, opts);
1da177e4 2995 if (rval != QLA_SUCCESS) {
fd34f556 2996 ha->isp_ops->fabric_logout(ha, fcport->loop_id,
1c7c6357
AV		 2997 fcport->d_id.b.domain, fcport->d_id.b.area,
2998 fcport->d_id.b.al_pa);
d97994dc 2999 qla2x00_mark_device_lost(ha, fcport, 1, 0);
1da177e4
LT		 3000 } else {
3001 qla2x00_update_fcport(ha, fcport);
3002 }
3003 }
3004
3005 return (rval);
3006}
3007
3008/*
3009 * qla2x00_fabric_login
3010 * Issue fabric login command.
3011 *
3012 * Input:
3013 * ha = adapter block pointer.
3014 * device = pointer to FC device type structure.
3015 *
3016 * Returns:
3017 * 0 - Login successfully
3018 * 1 - Login failed
3019 * 2 - Initiator device
3020 * 3 - Fatal error
3021 */
3022int
3023qla2x00_fabric_login(scsi_qla_host_t *ha, fc_port_t *fcport,
3024 uint16_t *next_loopid)
3025{
3026 int rval;
3027 int retry;
3028 uint16_t tmp_loopid;
3029 uint16_t mb[MAILBOX_REGISTER_COUNT];
3030
3031 retry = 0;
3032 tmp_loopid = 0;
3033
3034 for (;;) {
3035 DEBUG(printk("scsi(%ld): Trying Fabric Login w/loop id 0x%04x "
3036 "for port %02x%02x%02x.\n",
3037 ha->host_no, fcport->loop_id, fcport->d_id.b.domain,
3038 fcport->d_id.b.area, fcport->d_id.b.al_pa));
3039
3040 /* Login fcport on switch. */
fd34f556 3041 ha->isp_ops->fabric_login(ha, fcport->loop_id,
1da177e4
LT		 3042 fcport->d_id.b.domain, fcport->d_id.b.area,
3043 fcport->d_id.b.al_pa, mb, BIT_0);
3044 if (mb[0] == MBS_PORT_ID_USED) {
3045 /*
3046 * Device has another loop ID. The firmware team
0107109e
AV		 3047 * recommends the driver perform an implicit login with
3048 * the specified ID again. The ID we just used is save
3049 * here so we return with an ID that can be tried by
3050 * the next login.
1da177e4
LT		 3051 */
3052 retry++;
3053 tmp_loopid = fcport->loop_id;
3054 fcport->loop_id = mb[1];
3055
3056 DEBUG(printk("Fabric Login: port in use - next "
3057 "loop id=0x%04x, port Id=%02x%02x%02x.\n",
3058 fcport->loop_id, fcport->d_id.b.domain,
3059 fcport->d_id.b.area, fcport->d_id.b.al_pa));
3060
3061 } else if (mb[0] == MBS_COMMAND_COMPLETE) {
3062 /*
3063 * Login succeeded.
3064 */
3065 if (retry) {
3066 /* A retry occurred before. */
3067 *next_loopid = tmp_loopid;
3068 } else {
3069 /*
3070 * No retry occurred before. Just increment the
3071 * ID value for next login.
3072 */
3073 *next_loopid = (fcport->loop_id + 1);
3074 }
3075
3076 if (mb[1] & BIT_0) {
3077 fcport->port_type = FCT_INITIATOR;
3078 } else {
3079 fcport->port_type = FCT_TARGET;
3080 if (mb[1] & BIT_1) {
3081 fcport->flags |= FCF_TAPE_PRESENT;
3082 }
3083 }
3084
ad3e0eda
AV		 3085 if (mb[10] & BIT_0)
3086 fcport->supported_classes |= FC_COS_CLASS2;
3087 if (mb[10] & BIT_1)
3088 fcport->supported_classes |= FC_COS_CLASS3;
3089
1da177e4
LT		 3090 rval = QLA_SUCCESS;
3091 break;
3092 } else if (mb[0] == MBS_LOOP_ID_USED) {
3093 /*
3094 * Loop ID already used, try next loop ID.
3095 */
3096 fcport->loop_id++;
3097 rval = qla2x00_find_new_loop_id(ha, fcport);
3098 if (rval != QLA_SUCCESS) {
3099 /* Ran out of loop IDs to use */
3100 break;
3101 }
3102 } else if (mb[0] == MBS_COMMAND_ERROR) {
3103 /*
3104 * Firmware possibly timed out during login. If NO
3105 * retries are left to do then the device is declared
3106 * dead.
3107 */
3108 *next_loopid = fcport->loop_id;
fd34f556 3109 ha->isp_ops->fabric_logout(ha, fcport->loop_id,
1c7c6357
AV		 3110 fcport->d_id.b.domain, fcport->d_id.b.area,
3111 fcport->d_id.b.al_pa);
d97994dc 3112 qla2x00_mark_device_lost(ha, fcport, 1, 0);
1da177e4
LT		 3113
3114 rval = 1;
3115 break;
3116 } else {
3117 /*
3118 * unrecoverable / not handled error
3119 */
3120 DEBUG2(printk("%s(%ld): failed=%x port_id=%02x%02x%02x "
fa2a1ce5
AV		 3121 "loop_id=%x jiffies=%lx.\n",
3122 __func__, ha->host_no, mb[0],
1da177e4
LT		 3123 fcport->d_id.b.domain, fcport->d_id.b.area,
3124 fcport->d_id.b.al_pa, fcport->loop_id, jiffies));
3125
3126 *next_loopid = fcport->loop_id;
fd34f556 3127 ha->isp_ops->fabric_logout(ha, fcport->loop_id,
1c7c6357
AV		 3128 fcport->d_id.b.domain, fcport->d_id.b.area,
3129 fcport->d_id.b.al_pa);
1da177e4 3130 fcport->loop_id = FC_NO_LOOP_ID;
0eedfcf0 3131 fcport->login_retry = 0;
1da177e4
LT		 3132
3133 rval = 3;
3134 break;
3135 }
3136 }
3137
3138 return (rval);
3139}
3140
3141/*
3142 * qla2x00_local_device_login
3143 * Issue local device login command.
3144 *
3145 * Input:
3146 * ha = adapter block pointer.
3147 * loop_id = loop id of device to login to.
3148 *
3149 * Returns (Where's the #define!!!!):
3150 * 0 - Login successfully
3151 * 1 - Login failed
3152 * 3 - Fatal error
3153 */
3154int
9a52a57c 3155qla2x00_local_device_login(scsi_qla_host_t *ha, fc_port_t *fcport)
1da177e4
LT		 3156{
3157 int rval;
3158 uint16_t mb[MAILBOX_REGISTER_COUNT];
3159
3160 memset(mb, 0, sizeof(mb));
9a52a57c 3161 rval = qla2x00_login_local_device(ha, fcport, mb, BIT_0);
1da177e4
LT		 3162 if (rval == QLA_SUCCESS) {
3163 /* Interrogate mailbox registers for any errors */
3164 if (mb[0] == MBS_COMMAND_ERROR)
3165 rval = 1;
3166 else if (mb[0] == MBS_COMMAND_PARAMETER_ERROR)
3167 /* device not in PCB table */
3168 rval = 3;
3169 }
3170
3171 return (rval);
3172}
3173
3174/*
3175 * qla2x00_loop_resync
3176 * Resync with fibre channel devices.
3177 *
3178 * Input:
3179 * ha = adapter block pointer.
3180 *
3181 * Returns:
3182 * 0 = success
3183 */
3184int
fa2a1ce5 3185qla2x00_loop_resync(scsi_qla_host_t *ha)
1da177e4
LT		 3186{
3187 int rval;
3188 uint32_t wait_time;
3189
3190 rval = QLA_SUCCESS;
3191
3192 atomic_set(&ha->loop_state, LOOP_UPDATE);
1da177e4
LT		 3193 clear_bit(ISP_ABORT_RETRY, &ha->dpc_flags);
3194 if (ha->flags.online) {
3195 if (!(rval = qla2x00_fw_ready(ha))) {
3196 /* Wait at most MAX_TARGET RSCNs for a stable link. */
3197 wait_time = 256;
3198 do {
1da177e4
LT		 3199 atomic_set(&ha->loop_state, LOOP_UPDATE);
3200
0107109e
AV		 3201 /* Issue a marker after FW becomes ready. */
3202 qla2x00_marker(ha, 0, 0, MK_SYNC_ALL);
3203 ha->marker_needed = 0;
1da177e4
LT		 3204
3205 /* Remap devices on Loop. */
3206 clear_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags);
3207
3208 qla2x00_configure_loop(ha);
3209 wait_time--;
3210 } while (!atomic_read(&ha->loop_down_timer) &&
3211 !(test_bit(ISP_ABORT_NEEDED, &ha->dpc_flags)) &&
3212 wait_time &&
3213 (test_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags)));
3214 }
1da177e4
LT		 3215 }
3216
3217 if (test_bit(ISP_ABORT_NEEDED, &ha->dpc_flags)) {
3218 return (QLA_FUNCTION_FAILED);
3219 }
3220
3221 if (rval) {
3222 DEBUG2_3(printk("%s(): **** FAILED ****\n", __func__));
3223 }
3224
3225 return (rval);
3226}
3227
d97994dc
AV		 3228void
3229qla2x00_update_fcports(scsi_qla_host_t *ha)
3230{
3231 fc_port_t *fcport;
3232
3233 /* Go with deferred removal of rport references. */
3234 list_for_each_entry(fcport, &ha->fcports, list)
c9c5ced9
AV		 3235 if (fcport->drport &&
3236 atomic_read(&fcport->state) != FCS_UNCONFIGURED)
d97994dc
AV		 3237 qla2x00_rport_del(fcport);
3238}
3239
1da177e4
LT		 3240/*
3241* qla2x00_abort_isp
3242* Resets ISP and aborts all outstanding commands.
3243*
3244* Input:
3245* ha = adapter block pointer.
3246*
3247* Returns:
3248* 0 = success
3249*/
3250int
3251qla2x00_abort_isp(scsi_qla_host_t *ha)
3252{
476e8978 3253 int rval;
1da177e4 3254 uint8_t status = 0;
a7a28504 3255 scsi_qla_host_t *vha;
1da177e4
LT		 3256
3257 if (ha->flags.online) {
3258 ha->flags.online = 0;
3259 clear_bit(ISP_ABORT_NEEDED, &ha->dpc_flags);
e5f5f6f7 3260 ha->qla_stats.total_isp_aborts++;
1da177e4
LT		 3261
3262 qla_printk(KERN_INFO, ha,
3263 "Performing ISP error recovery - ha= %p.\n", ha);
fd34f556 3264 ha->isp_ops->reset_chip(ha);
1da177e4
LT		 3265
3266 atomic_set(&ha->loop_down_timer, LOOP_DOWN_TIME);
3267 if (atomic_read(&ha->loop_state) != LOOP_DOWN) {
3268 atomic_set(&ha->loop_state, LOOP_DOWN);
d97994dc 3269 qla2x00_mark_all_devices_lost(ha, 0);
a7a28504
AV		 3270 list_for_each_entry(vha, &ha->vp_list, vp_list)
3271 qla2x00_mark_all_devices_lost(vha, 0);
1da177e4
LT		 3272 } else {
3273 if (!atomic_read(&ha->loop_down_timer))
3274 atomic_set(&ha->loop_down_timer,
3275 LOOP_DOWN_TIME);
3276 }
3277
1da177e4 3278 /* Requeue all commands in outstanding command list. */
df4bf0bb 3279 qla2x00_abort_all_cmds(ha, DID_RESET << 16);
1da177e4 3280
fd34f556 3281 ha->isp_ops->get_flash_version(ha, ha->request_ring);
30c47662 3282
fd34f556 3283 ha->isp_ops->nvram_config(ha);
1da177e4
LT		 3284
3285 if (!qla2x00_restart_isp(ha)) {
3286 clear_bit(RESET_MARKER_NEEDED, &ha->dpc_flags);
3287
3288 if (!atomic_read(&ha->loop_down_timer)) {
3289 /*
3290 * Issue marker command only when we are going
3291 * to start the I/O .
3292 */
3293 ha->marker_needed = 1;
3294 }
3295
3296 ha->flags.online = 1;
3297
fd34f556 3298 ha->isp_ops->enable_intrs(ha);
1da177e4 3299
fa2a1ce5 3300 ha->isp_abort_cnt = 0;
1da177e4 3301 clear_bit(ISP_ABORT_RETRY, &ha->dpc_flags);
476e8978 3302
df613b96
AV		 3303 if (ha->fce) {
3304 ha->flags.fce_enabled = 1;
3305 memset(ha->fce, 0,
3306 fce_calc_size(ha->fce_bufs));
3307 rval = qla2x00_enable_fce_trace(ha,
3308 ha->fce_dma, ha->fce_bufs, ha->fce_mb,
3309 &ha->fce_bufs);
3310 if (rval) {
3311 qla_printk(KERN_WARNING, ha,
3312 "Unable to reinitialize FCE "
3313 "(%d).\n", rval);
3314 ha->flags.fce_enabled = 0;
3315 }
3316 }
436a7b11
AV		 3317
3318 if (ha->eft) {
3319 memset(ha->eft, 0, EFT_SIZE);
3320 rval = qla2x00_enable_eft_trace(ha,
3321 ha->eft_dma, EFT_NUM_BUFFERS);
3322 if (rval) {
3323 qla_printk(KERN_WARNING, ha,
3324 "Unable to reinitialize EFT "
3325 "(%d).\n", rval);
3326 }
3327 }
1da177e4
LT		 3328 } else { /* failed the ISP abort */
3329 ha->flags.online = 1;
3330 if (test_bit(ISP_ABORT_RETRY, &ha->dpc_flags)) {
3331 if (ha->isp_abort_cnt == 0) {
3332 qla_printk(KERN_WARNING, ha,
3333 "ISP error recovery failed - "
3334 "board disabled\n");
fa2a1ce5 3335 /*
1da177e4
LT		 3336 * The next call disables the board
3337 * completely.
3338 */
fd34f556 3339 ha->isp_ops->reset_adapter(ha);
1da177e4
LT		 3340 ha->flags.online = 0;
3341 clear_bit(ISP_ABORT_RETRY,
3342 &ha->dpc_flags);
3343 status = 0;
3344 } else { /* schedule another ISP abort */
3345 ha->isp_abort_cnt--;
3346 DEBUG(printk("qla%ld: ISP abort - "
0107109e 3347 "retry remaining %d\n",
744f11fd 3348 ha->host_no, ha->isp_abort_cnt));
1da177e4
LT		 3349 status = 1;
3350 }
3351 } else {
3352 ha->isp_abort_cnt = MAX_RETRIES_OF_ISP_ABORT;
3353 DEBUG(printk("qla2x00(%ld): ISP error recovery "
3354 "- retrying (%d) more times\n",
744f11fd 3355 ha->host_no, ha->isp_abort_cnt));
1da177e4
LT		 3356 set_bit(ISP_ABORT_RETRY, &ha->dpc_flags);
3357 status = 1;
3358 }
3359 }
fa2a1ce5 3360
1da177e4
LT		 3361 }
3362
3363 if (status) {
3364 qla_printk(KERN_INFO, ha,
3365 "qla2x00_abort_isp: **** FAILED ****\n");
3366 } else {
3367 DEBUG(printk(KERN_INFO
3368 "qla2x00_abort_isp(%ld): exiting.\n",
744f11fd 3369 ha->host_no));
1da177e4
LT		 3370 }
3371
3372 return(status);
3373}
3374
3375/*
3376* qla2x00_restart_isp
3377* restarts the ISP after a reset
3378*
3379* Input:
3380* ha = adapter block pointer.
3381*
3382* Returns:
3383* 0 = success
3384*/
3385static int
3386qla2x00_restart_isp(scsi_qla_host_t *ha)
3387{
3388 uint8_t status = 0;
1da177e4
LT		 3389 uint32_t wait_time;
3390
3391 /* If firmware needs to be loaded */
3392 if (qla2x00_isp_firmware(ha)) {
3393 ha->flags.online = 0;
3db0652e 3394 if (!(status = ha->isp_ops->chip_diag(ha)))
1da177e4 3395 status = qla2x00_setup_chip(ha);
1da177e4
LT		 3396 }
3397
1da177e4
LT		 3398 if (!status && !(status = qla2x00_init_rings(ha))) {
3399 clear_bit(RESET_MARKER_NEEDED, &ha->dpc_flags);
3400 if (!(status = qla2x00_fw_ready(ha))) {
3401 DEBUG(printk("%s(): Start configure loop, "
744f11fd 3402 "status = %d\n", __func__, status));
0107109e
AV		 3403
3404 /* Issue a marker after FW becomes ready. */
3405 qla2x00_marker(ha, 0, 0, MK_SYNC_ALL);
3406
1da177e4
LT		 3407 ha->flags.online = 1;
3408 /* Wait at most MAX_TARGET RSCNs for a stable link. */
3409 wait_time = 256;
3410 do {
3411 clear_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags);
3412 qla2x00_configure_loop(ha);
3413 wait_time--;
3414 } while (!atomic_read(&ha->loop_down_timer) &&
3415 !(test_bit(ISP_ABORT_NEEDED, &ha->dpc_flags)) &&
3416 wait_time &&
3417 (test_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags)));
3418 }
3419
3420 /* if no cable then assume it's good */
fa2a1ce5 3421 if ((ha->device_flags & DFLG_NO_CABLE))
1da177e4
LT		 3422 status = 0;
3423
3424 DEBUG(printk("%s(): Configure loop done, status = 0x%x\n",
3425 __func__,
744f11fd 3426 status));
1da177e4
LT		 3427 }
3428 return (status);
3429}
3430
3431/*
3432* qla2x00_reset_adapter
3433* Reset adapter.
3434*
3435* Input:
3436* ha = adapter block pointer.
3437*/
abbd8870 3438void
1da177e4
LT		 3439qla2x00_reset_adapter(scsi_qla_host_t *ha)
3440{
3441 unsigned long flags = 0;
3d71644c 3442 struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
1da177e4
LT		 3443
3444 ha->flags.online = 0;
fd34f556 3445 ha->isp_ops->disable_intrs(ha);
1da177e4 3446
1da177e4
LT		 3447 spin_lock_irqsave(&ha->hardware_lock, flags);
3448 WRT_REG_WORD(&reg->hccr, HCCR_RESET_RISC);
3449 RD_REG_WORD(&reg->hccr); /* PCI Posting. */
3450 WRT_REG_WORD(&reg->hccr, HCCR_RELEASE_RISC);
3451 RD_REG_WORD(&reg->hccr); /* PCI Posting. */
3452 spin_unlock_irqrestore(&ha->hardware_lock, flags);
3453}
0107109e
AV		 3454
3455void
3456qla24xx_reset_adapter(scsi_qla_host_t *ha)
3457{
3458 unsigned long flags = 0;
3459 struct device_reg_24xx __iomem *reg = &ha->iobase->isp24;
3460
3461 ha->flags.online = 0;
fd34f556 3462 ha->isp_ops->disable_intrs(ha);
0107109e
AV		 3463
3464 spin_lock_irqsave(&ha->hardware_lock, flags);
3465 WRT_REG_DWORD(&reg->hccr, HCCRX_SET_RISC_RESET);
3466 RD_REG_DWORD(&reg->hccr);
3467 WRT_REG_DWORD(&reg->hccr, HCCRX_REL_RISC_PAUSE);
3468 RD_REG_DWORD(&reg->hccr);
3469 spin_unlock_irqrestore(&ha->hardware_lock, flags);
3470}
3471
4e08df3f
DM		 3472/* On sparc systems, obtain port and node WWN from firmware
3473 * properties.
3474 */
3475static void qla24xx_nvram_wwn_from_ofw(scsi_qla_host_t *ha, struct nvram_24xx *nv)
3476{
3477#ifdef CONFIG_SPARC
3478 struct pci_dev *pdev = ha->pdev;
15576bc8
DM		 3479 struct device_node *dp = pci_device_to_OF_node(pdev);
3480 const u8 *val;
4e08df3f
DM		 3481 int len;
3482
3483 val = of_get_property(dp, "port-wwn", &len);
3484 if (val && len >= WWN_SIZE)
3485 memcpy(nv->port_name, val, WWN_SIZE);
3486
3487 val = of_get_property(dp, "node-wwn", &len);
3488 if (val && len >= WWN_SIZE)
3489 memcpy(nv->node_name, val, WWN_SIZE);
3490#endif
3491}
3492
0107109e
AV		 3493int
3494qla24xx_nvram_config(scsi_qla_host_t *ha)
3495{
4e08df3f 3496 int rval;
0107109e
AV		 3497 struct init_cb_24xx *icb;
3498 struct nvram_24xx *nv;
3499 uint32_t *dptr;
3500 uint8_t *dptr1, *dptr2;
3501 uint32_t chksum;
3502 uint16_t cnt;
3503
4e08df3f 3504 rval = QLA_SUCCESS;
0107109e 3505 icb = (struct init_cb_24xx *)ha->init_cb;
281afe19 3506 nv = ha->nvram;
0107109e
AV		 3507
3508 /* Determine NVRAM starting address. */
3509 ha->nvram_size = sizeof(struct nvram_24xx);
3510 ha->nvram_base = FA_NVRAM_FUNC0_ADDR;
6f641790
AV		 3511 ha->vpd_size = FA_NVRAM_VPD_SIZE;
3512 ha->vpd_base = FA_NVRAM_VPD0_ADDR;
3513 if (PCI_FUNC(ha->pdev->devfn)) {
0107109e 3514 ha->nvram_base = FA_NVRAM_FUNC1_ADDR;
6f641790
AV		 3515 ha->vpd_base = FA_NVRAM_VPD1_ADDR;
3516 }
0107109e 3517
281afe19
SJ		 3518 /* Get VPD data into cache */
3519 ha->vpd = ha->nvram + VPD_OFFSET;
3520 ha->isp_ops->read_nvram(ha, (uint8_t *)ha->vpd,
3521 ha->nvram_base - FA_NVRAM_FUNC0_ADDR, FA_NVRAM_VPD_SIZE * 4);
3522
3523 /* Get NVRAM data into cache and calculate checksum. */
0107109e 3524 dptr = (uint32_t *)nv;
fd34f556 3525 ha->isp_ops->read_nvram(ha, (uint8_t *)dptr, ha->nvram_base,
0107109e
AV		 3526 ha->nvram_size);
3527 for (cnt = 0, chksum = 0; cnt < ha->nvram_size >> 2; cnt++)
3528 chksum += le32_to_cpu(*dptr++);
3529
3530 DEBUG5(printk("scsi(%ld): Contents of NVRAM\n", ha->host_no));
281afe19 3531 DEBUG5(qla2x00_dump_buffer((uint8_t *)nv, ha->nvram_size));
0107109e
AV		 3532
3533 /* Bad NVRAM data, set defaults parameters. */
3534 if (chksum || nv->id[0] != 'I' || nv->id[1] != 'S' || nv->id[2] != 'P'
3535 || nv->id[3] != ' ' ||
3536 nv->nvram_version < __constant_cpu_to_le16(ICB_VERSION)) {
3537 /* Reset NVRAM data. */
3538 qla_printk(KERN_WARNING, ha, "Inconsistent NVRAM detected: "
3539 "checksum=0x%x id=%c version=0x%x.\n", chksum, nv->id[0],
3540 le16_to_cpu(nv->nvram_version));
4e08df3f
DM		 3541 qla_printk(KERN_WARNING, ha, "Falling back to functioning (yet "
3542 "invalid -- WWPN) defaults.\n");
3543
3544 /*
3545 * Set default initialization control block.
3546 */
3547 memset(nv, 0, ha->nvram_size);
3548 nv->nvram_version = __constant_cpu_to_le16(ICB_VERSION);
3549 nv->version = __constant_cpu_to_le16(ICB_VERSION);
3550 nv->frame_payload_size = __constant_cpu_to_le16(2048);
3551 nv->execution_throttle = __constant_cpu_to_le16(0xFFFF);
3552 nv->exchange_count = __constant_cpu_to_le16(0);
3553 nv->hard_address = __constant_cpu_to_le16(124);
3554 nv->port_name[0] = 0x21;
3555 nv->port_name[1] = 0x00 + PCI_FUNC(ha->pdev->devfn);
3556 nv->port_name[2] = 0x00;
3557 nv->port_name[3] = 0xe0;
3558 nv->port_name[4] = 0x8b;
3559 nv->port_name[5] = 0x1c;
3560 nv->port_name[6] = 0x55;
3561 nv->port_name[7] = 0x86;
3562 nv->node_name[0] = 0x20;
3563 nv->node_name[1] = 0x00;
3564 nv->node_name[2] = 0x00;
3565 nv->node_name[3] = 0xe0;
3566 nv->node_name[4] = 0x8b;
3567 nv->node_name[5] = 0x1c;
3568 nv->node_name[6] = 0x55;
3569 nv->node_name[7] = 0x86;
3570 qla24xx_nvram_wwn_from_ofw(ha, nv);
3571 nv->login_retry_count = __constant_cpu_to_le16(8);
3572 nv->interrupt_delay_timer = __constant_cpu_to_le16(0);
3573 nv->login_timeout = __constant_cpu_to_le16(0);
3574 nv->firmware_options_1 =
3575 __constant_cpu_to_le32(BIT_14|BIT_13|BIT_2|BIT_1);
3576 nv->firmware_options_2 = __constant_cpu_to_le32(2 << 4);
3577 nv->firmware_options_2 |= __constant_cpu_to_le32(BIT_12);
3578 nv->firmware_options_3 = __constant_cpu_to_le32(2 << 13);
3579 nv->host_p = __constant_cpu_to_le32(BIT_11|BIT_10);
3580 nv->efi_parameters = __constant_cpu_to_le32(0);
3581 nv->reset_delay = 5;
3582 nv->max_luns_per_target = __constant_cpu_to_le16(128);
3583 nv->port_down_retry_count = __constant_cpu_to_le16(30);
3584 nv->link_down_timeout = __constant_cpu_to_le16(30);
3585
3586 rval = 1;
0107109e
AV		 3587 }
3588
3589 /* Reset Initialization control block */
3590 memset(icb, 0, sizeof(struct init_cb_24xx));
3591
3592 /* Copy 1st segment. */
3593 dptr1 = (uint8_t *)icb;
3594 dptr2 = (uint8_t *)&nv->version;
3595 cnt = (uint8_t *)&icb->response_q_inpointer - (uint8_t *)&icb->version;
3596 while (cnt--)
3597 *dptr1++ = *dptr2++;
3598
3599 icb->login_retry_count = nv->login_retry_count;
3ea66e28 3600 icb->link_down_on_nos = nv->link_down_on_nos;
0107109e
AV		 3601
3602 /* Copy 2nd segment. */
3603 dptr1 = (uint8_t *)&icb->interrupt_delay_timer;
3604 dptr2 = (uint8_t *)&nv->interrupt_delay_timer;
3605 cnt = (uint8_t *)&icb->reserved_3 -
3606 (uint8_t *)&icb->interrupt_delay_timer;
3607 while (cnt--)
3608 *dptr1++ = *dptr2++;
3609
3610 /*
3611 * Setup driver NVRAM options.
3612 */
9bb9fcf2
AV		 3613 qla2x00_set_model_info(ha, nv->model_name, sizeof(nv->model_name),
3614 "QLA2462");
0107109e 3615
5341e868
AV		 3616 /* Use alternate WWN? */
3617 if (nv->host_p & __constant_cpu_to_le32(BIT_15)) {
3618 memcpy(icb->node_name, nv->alternate_node_name, WWN_SIZE);
3619 memcpy(icb->port_name, nv->alternate_port_name, WWN_SIZE);
3620 }
3621
0107109e 3622 /* Prepare nodename */
fd0e7e4d 3623 if ((icb->firmware_options_1 & __constant_cpu_to_le32(BIT_14)) == 0) {
0107109e
AV		 3624 /*
3625 * Firmware will apply the following mask if the nodename was
3626 * not provided.
3627 */
3628 memcpy(icb->node_name, icb->port_name, WWN_SIZE);
3629 icb->node_name[0] &= 0xF0;
3630 }
3631
3632 /* Set host adapter parameters. */
3633 ha->flags.disable_risc_code_load = 0;
0c8c39af
AV		 3634 ha->flags.enable_lip_reset = 0;
3635 ha->flags.enable_lip_full_login =
3636 le32_to_cpu(nv->host_p) & BIT_10 ? 1: 0;
3637 ha->flags.enable_target_reset =
3638 le32_to_cpu(nv->host_p) & BIT_11 ? 1: 0;
0107109e 3639 ha->flags.enable_led_scheme = 0;
d4c760c2 3640 ha->flags.disable_serdes = le32_to_cpu(nv->host_p) & BIT_5 ? 1: 0;
0107109e 3641
fd0e7e4d
AV		 3642 ha->operating_mode = (le32_to_cpu(icb->firmware_options_2) &
3643 (BIT_6 | BIT_5 | BIT_4)) >> 4;
0107109e
AV		 3644
3645 memcpy(ha->fw_seriallink_options24, nv->seriallink_options,
3646 sizeof(ha->fw_seriallink_options24));
3647
3648 /* save HBA serial number */
3649 ha->serial0 = icb->port_name[5];
3650 ha->serial1 = icb->port_name[6];
3651 ha->serial2 = icb->port_name[7];
3652 ha->node_name = icb->node_name;
3653 ha->port_name = icb->port_name;
3654
bc8fb3cb
AV		 3655 icb->execution_throttle = __constant_cpu_to_le16(0xFFFF);
3656
0107109e
AV		 3657 ha->retry_count = le16_to_cpu(nv->login_retry_count);
3658
3659 /* Set minimum login_timeout to 4 seconds. */
3660 if (le16_to_cpu(nv->login_timeout) < ql2xlogintimeout)
3661 nv->login_timeout = cpu_to_le16(ql2xlogintimeout);
3662 if (le16_to_cpu(nv->login_timeout) < 4)
3663 nv->login_timeout = __constant_cpu_to_le16(4);
3664 ha->login_timeout = le16_to_cpu(nv->login_timeout);
c6852c4c 3665 icb->login_timeout = nv->login_timeout;
0107109e 3666
00a537b8
AV		 3667 /* Set minimum RATOV to 100 tenths of a second. */
3668 ha->r_a_tov = 100;
0107109e
AV		 3669
3670 ha->loop_reset_delay = nv->reset_delay;
3671
3672 /* Link Down Timeout = 0:
3673 *
3674 * When Port Down timer expires we will start returning
3675 * I/O's to OS with "DID_NO_CONNECT".
3676 *
3677 * Link Down Timeout != 0:
3678 *
3679 * The driver waits for the link to come up after link down
3680 * before returning I/Os to OS with "DID_NO_CONNECT".
3681 */
3682 if (le16_to_cpu(nv->link_down_timeout) == 0) {
3683 ha->loop_down_abort_time =
3684 (LOOP_DOWN_TIME - LOOP_DOWN_TIMEOUT);
3685 } else {
3686 ha->link_down_timeout = le16_to_cpu(nv->link_down_timeout);
3687 ha->loop_down_abort_time =
3688 (LOOP_DOWN_TIME - ha->link_down_timeout);
3689 }
3690
3691 /* Need enough time to try and get the port back. */
3692 ha->port_down_retry_count = le16_to_cpu(nv->port_down_retry_count);
3693 if (qlport_down_retry)
3694 ha->port_down_retry_count = qlport_down_retry;
3695
3696 /* Set login_retry_count */
3697 ha->login_retry_count = le16_to_cpu(nv->login_retry_count);
3698 if (ha->port_down_retry_count ==
3699 le16_to_cpu(nv->port_down_retry_count) &&
3700 ha->port_down_retry_count > 3)
3701 ha->login_retry_count = ha->port_down_retry_count;
3702 else if (ha->port_down_retry_count > (int)ha->login_retry_count)
3703 ha->login_retry_count = ha->port_down_retry_count;
3704 if (ql2xloginretrycount)
3705 ha->login_retry_count = ql2xloginretrycount;
3706
4fdfefe5
AV		 3707 /* Enable ZIO. */
3708 if (!ha->flags.init_done) {
3709 ha->zio_mode = le32_to_cpu(icb->firmware_options_2) &
3710 (BIT_3 | BIT_2 | BIT_1 | BIT_0);
3711 ha->zio_timer = le16_to_cpu(icb->interrupt_delay_timer) ?
3712 le16_to_cpu(icb->interrupt_delay_timer): 2;
3713 }
3714 icb->firmware_options_2 &= __constant_cpu_to_le32(
3715 ~(BIT_3 | BIT_2 | BIT_1 | BIT_0));
3716 ha->flags.process_response_queue = 0;
3717 if (ha->zio_mode != QLA_ZIO_DISABLED) {
4a59f71d
AV		 3718 ha->zio_mode = QLA_ZIO_MODE_6;
3719
4fdfefe5
AV		 3720 DEBUG2(printk("scsi(%ld): ZIO mode %d enabled; timer delay "
3721 "(%d us).\n", ha->host_no, ha->zio_mode,
3722 ha->zio_timer * 100));
3723 qla_printk(KERN_INFO, ha,
3724 "ZIO mode %d enabled; timer delay (%d us).\n",
3725 ha->zio_mode, ha->zio_timer * 100);
3726
3727 icb->firmware_options_2 |= cpu_to_le32(
3728 (uint32_t)ha->zio_mode);
3729 icb->interrupt_delay_timer = cpu_to_le16(ha->zio_timer);
3730 ha->flags.process_response_queue = 1;
3731 }
3732
4e08df3f
DM		 3733 if (rval) {
3734 DEBUG2_3(printk(KERN_WARNING
3735 "scsi(%ld): NVRAM configuration failed!\n", ha->host_no));
3736 }
3737 return (rval);
0107109e
AV		 3738}
3739
413975a0 3740static int
d1c61909
AV		 3741qla24xx_load_risc_flash(scsi_qla_host_t *ha, uint32_t *srisc_addr)
3742{
3743 int rval;
3744 int segments, fragment;
3745 uint32_t faddr;
3746 uint32_t *dcode, dlen;
3747 uint32_t risc_addr;
3748 uint32_t risc_size;
3749 uint32_t i;
3750
3751 rval = QLA_SUCCESS;
3752
3753 segments = FA_RISC_CODE_SEGMENTS;
3754 faddr = FA_RISC_CODE_ADDR;
3755 dcode = (uint32_t *)ha->request_ring;
3756 *srisc_addr = 0;
3757
3758 /* Validate firmware image by checking version. */
3759 qla24xx_read_flash_data(ha, dcode, faddr + 4, 4);
3760 for (i = 0; i < 4; i++)
3761 dcode[i] = be32_to_cpu(dcode[i]);
3762 if ((dcode[0] == 0xffffffff && dcode[1] == 0xffffffff &&
3763 dcode[2] == 0xffffffff && dcode[3] == 0xffffffff) ||
3764 (dcode[0] == 0 && dcode[1] == 0 && dcode[2] == 0 &&
3765 dcode[3] == 0)) {
3766 qla_printk(KERN_WARNING, ha,
3767 "Unable to verify integrity of flash firmware image!\n");
3768 qla_printk(KERN_WARNING, ha,
3769 "Firmware data: %08x %08x %08x %08x!\n", dcode[0],
3770 dcode[1], dcode[2], dcode[3]);
3771
3772 return QLA_FUNCTION_FAILED;
3773 }
3774
3775 while (segments && rval == QLA_SUCCESS) {
3776 /* Read segment's load information. */
3777 qla24xx_read_flash_data(ha, dcode, faddr, 4);
3778
3779 risc_addr = be32_to_cpu(dcode[2]);
3780 *srisc_addr = *srisc_addr == 0 ? risc_addr : *srisc_addr;
3781 risc_size = be32_to_cpu(dcode[3]);
3782
3783 fragment = 0;
3784 while (risc_size > 0 && rval == QLA_SUCCESS) {
3785 dlen = (uint32_t)(ha->fw_transfer_size >> 2);
3786 if (dlen > risc_size)
3787 dlen = risc_size;
3788
3789 DEBUG7(printk("scsi(%ld): Loading risc segment@ risc "
3790 "addr %x, number of dwords 0x%x, offset 0x%x.\n",
3791 ha->host_no, risc_addr, dlen, faddr));
3792
3793 qla24xx_read_flash_data(ha, dcode, faddr, dlen);
3794 for (i = 0; i < dlen; i++)
3795 dcode[i] = swab32(dcode[i]);
3796
3797 rval = qla2x00_load_ram(ha, ha->request_dma, risc_addr,
3798 dlen);
3799 if (rval) {
3800 DEBUG(printk("scsi(%ld):[ERROR] Failed to load "
3801 "segment %d of firmware\n", ha->host_no,
3802 fragment));
3803 qla_printk(KERN_WARNING, ha,
3804 "[ERROR] Failed to load segment %d of "
3805 "firmware\n", fragment);
3806 break;
3807 }
3808
3809 faddr += dlen;
3810 risc_addr += dlen;
3811 risc_size -= dlen;
3812 fragment++;
3813 }
3814
3815 /* Next segment. */
3816 segments--;
3817 }
3818
3819 return rval;
3820}
3821
d1c61909
AV		 3822#define QLA_FW_URL "ftp://ftp.qlogic.com/outgoing/linux/firmware/"
3823
0107109e 3824int
5433383e
AV		 3825qla2x00_load_risc(scsi_qla_host_t *ha, uint32_t *srisc_addr)
3826{
3827 int rval;
3828 int i, fragment;
3829 uint16_t *wcode, *fwcode;
3830 uint32_t risc_addr, risc_size, fwclen, wlen, *seg;
3831 struct fw_blob *blob;
3832
3833 /* Load firmware blob. */
3834 blob = qla2x00_request_firmware(ha);
3835 if (!blob) {
3836 qla_printk(KERN_ERR, ha, "Firmware image unavailable.\n");
d1c61909
AV		 3837 qla_printk(KERN_ERR, ha, "Firmware images can be retrieved "
3838 "from: " QLA_FW_URL ".\n");
5433383e
AV		 3839 return QLA_FUNCTION_FAILED;
3840 }
3841
3842 rval = QLA_SUCCESS;
3843
3844 wcode = (uint16_t *)ha->request_ring;
3845 *srisc_addr = 0;
3846 fwcode = (uint16_t *)blob->fw->data;
3847 fwclen = 0;
3848
3849 /* Validate firmware image by checking version. */
3850 if (blob->fw->size < 8 * sizeof(uint16_t)) {
3851 qla_printk(KERN_WARNING, ha,
3852 "Unable to verify integrity of firmware image (%Zd)!\n",
3853 blob->fw->size);
3854 goto fail_fw_integrity;
3855 }
3856 for (i = 0; i < 4; i++)
3857 wcode[i] = be16_to_cpu(fwcode[i + 4]);
3858 if ((wcode[0] == 0xffff && wcode[1] == 0xffff && wcode[2] == 0xffff &&
3859 wcode[3] == 0xffff) || (wcode[0] == 0 && wcode[1] == 0 &&
3860 wcode[2] == 0 && wcode[3] == 0)) {
3861 qla_printk(KERN_WARNING, ha,
3862 "Unable to verify integrity of firmware image!\n");
3863 qla_printk(KERN_WARNING, ha,
3864 "Firmware data: %04x %04x %04x %04x!\n", wcode[0],
3865 wcode[1], wcode[2], wcode[3]);
3866 goto fail_fw_integrity;
3867 }
3868
3869 seg = blob->segs;
3870 while (*seg && rval == QLA_SUCCESS) {
3871 risc_addr = *seg;
3872 *srisc_addr = *srisc_addr == 0 ? *seg : *srisc_addr;
3873 risc_size = be16_to_cpu(fwcode[3]);
3874
3875 /* Validate firmware image size. */
3876 fwclen += risc_size * sizeof(uint16_t);
3877 if (blob->fw->size < fwclen) {
3878 qla_printk(KERN_WARNING, ha,
3879 "Unable to verify integrity of firmware image "
3880 "(%Zd)!\n", blob->fw->size);
3881 goto fail_fw_integrity;
3882 }
3883
3884 fragment = 0;
3885 while (risc_size > 0 && rval == QLA_SUCCESS) {
3886 wlen = (uint16_t)(ha->fw_transfer_size >> 1);
3887 if (wlen > risc_size)
3888 wlen = risc_size;
3889
3890 DEBUG7(printk("scsi(%ld): Loading risc segment@ risc "
3891 "addr %x, number of words 0x%x.\n", ha->host_no,
3892 risc_addr, wlen));
3893
3894 for (i = 0; i < wlen; i++)
3895 wcode[i] = swab16(fwcode[i]);
3896
3897 rval = qla2x00_load_ram(ha, ha->request_dma, risc_addr,
3898 wlen);
3899 if (rval) {
3900 DEBUG(printk("scsi(%ld):[ERROR] Failed to load "
3901 "segment %d of firmware\n", ha->host_no,
3902 fragment));
3903 qla_printk(KERN_WARNING, ha,
3904 "[ERROR] Failed to load segment %d of "
3905 "firmware\n", fragment);
3906 break;
3907 }
3908
3909 fwcode += wlen;
3910 risc_addr += wlen;
3911 risc_size -= wlen;
3912 fragment++;
3913 }
3914
3915 /* Next segment. */
3916 seg++;
3917 }
3918 return rval;
3919
3920fail_fw_integrity:
3921 return QLA_FUNCTION_FAILED;
3922}
3923
3924int
3925qla24xx_load_risc(scsi_qla_host_t *ha, uint32_t *srisc_addr)
0107109e
AV		 3926{
3927 int rval;
3928 int segments, fragment;
3929 uint32_t *dcode, dlen;
3930 uint32_t risc_addr;
3931 uint32_t risc_size;
3932 uint32_t i;
5433383e 3933 struct fw_blob *blob;
0107109e
AV		 3934 uint32_t *fwcode, fwclen;
3935
5433383e
AV		 3936 /* Load firmware blob. */
3937 blob = qla2x00_request_firmware(ha);
3938 if (!blob) {
3939 qla_printk(KERN_ERR, ha, "Firmware image unavailable.\n");
d1c61909
AV		 3940 qla_printk(KERN_ERR, ha, "Firmware images can be retrieved "
3941 "from: " QLA_FW_URL ".\n");
3942
3943 /* Try to load RISC code from flash. */
3944 qla_printk(KERN_ERR, ha, "Attempting to load (potentially "
3945 "outdated) firmware from flash.\n");
3946 return qla24xx_load_risc_flash(ha, srisc_addr);
0107109e
AV		 3947 }
3948
3949 rval = QLA_SUCCESS;
3950
3951 segments = FA_RISC_CODE_SEGMENTS;
3952 dcode = (uint32_t *)ha->request_ring;
3953 *srisc_addr = 0;
5433383e 3954 fwcode = (uint32_t *)blob->fw->data;
0107109e
AV		 3955 fwclen = 0;
3956
3957 /* Validate firmware image by checking version. */
5433383e 3958 if (blob->fw->size < 8 * sizeof(uint32_t)) {
0107109e 3959 qla_printk(KERN_WARNING, ha,
5433383e
AV		 3960 "Unable to verify integrity of firmware image (%Zd)!\n",
3961 blob->fw->size);
0107109e
AV		 3962 goto fail_fw_integrity;
3963 }
3964 for (i = 0; i < 4; i++)
3965 dcode[i] = be32_to_cpu(fwcode[i + 4]);
3966 if ((dcode[0] == 0xffffffff && dcode[1] == 0xffffffff &&
3967 dcode[2] == 0xffffffff && dcode[3] == 0xffffffff) ||
3968 (dcode[0] == 0 && dcode[1] == 0 && dcode[2] == 0 &&
3969 dcode[3] == 0)) {
3970 qla_printk(KERN_WARNING, ha,
5433383e 3971 "Unable to verify integrity of firmware image!\n");
0107109e
AV		 3972 qla_printk(KERN_WARNING, ha,
3973 "Firmware data: %08x %08x %08x %08x!\n", dcode[0],
3974 dcode[1], dcode[2], dcode[3]);
3975 goto fail_fw_integrity;
3976 }
3977
3978 while (segments && rval == QLA_SUCCESS) {
3979 risc_addr = be32_to_cpu(fwcode[2]);
3980 *srisc_addr = *srisc_addr == 0 ? risc_addr : *srisc_addr;
3981 risc_size = be32_to_cpu(fwcode[3]);
3982
3983 /* Validate firmware image size. */
3984 fwclen += risc_size * sizeof(uint32_t);
5433383e 3985 if (blob->fw->size < fwclen) {
0107109e 3986 qla_printk(KERN_WARNING, ha,
5433383e
AV		 3987 "Unable to verify integrity of firmware image "
3988 "(%Zd)!\n", blob->fw->size);
3989
0107109e
AV		 3990 goto fail_fw_integrity;
3991 }
3992
3993 fragment = 0;
3994 while (risc_size > 0 && rval == QLA_SUCCESS) {
3995 dlen = (uint32_t)(ha->fw_transfer_size >> 2);
3996 if (dlen > risc_size)
3997 dlen = risc_size;
3998
3999 DEBUG7(printk("scsi(%ld): Loading risc segment@ risc "
4000 "addr %x, number of dwords 0x%x.\n", ha->host_no,
4001 risc_addr, dlen));
4002
4003 for (i = 0; i < dlen; i++)
4004 dcode[i] = swab32(fwcode[i]);
4005
590f98e5
AV		 4006 rval = qla2x00_load_ram(ha, ha->request_dma, risc_addr,
4007 dlen);
0107109e
AV		 4008 if (rval) {
4009 DEBUG(printk("scsi(%ld):[ERROR] Failed to load "
4010 "segment %d of firmware\n", ha->host_no,
4011 fragment));
4012 qla_printk(KERN_WARNING, ha,
4013 "[ERROR] Failed to load segment %d of "
4014 "firmware\n", fragment);
4015 break;
4016 }
4017
4018 fwcode += dlen;
4019 risc_addr += dlen;
4020 risc_size -= dlen;
4021 fragment++;
4022 }
4023
4024 /* Next segment. */
4025 segments--;
4026 }
0107109e
AV		 4027 return rval;
4028
4029fail_fw_integrity:
0107109e 4030 return QLA_FUNCTION_FAILED;
0107109e 4031}
18c6c127
AV		 4032
4033void
4034qla2x00_try_to_stop_firmware(scsi_qla_host_t *ha)
4035{
4036 int ret, retries;
4037
e428924c 4038 if (!IS_FWI2_CAPABLE(ha))
18c6c127 4039 return;
75edf81d
AV		 4040 if (!ha->fw_major_version)
4041 return;
18c6c127
AV		 4042
4043 ret = qla2x00_stop_firmware(ha);
7c7f1f29
AV		 4044 for (retries = 5; ret != QLA_SUCCESS && ret != QLA_FUNCTION_TIMEOUT &&
4045 retries ; retries--) {
8201e207
AV		 4046 ha->isp_ops->reset_chip(ha);
4047 if (ha->isp_ops->chip_diag(ha) != QLA_SUCCESS)
18c6c127
AV		 4048 continue;
4049 if (qla2x00_setup_chip(ha) != QLA_SUCCESS)
4050 continue;
4051 qla_printk(KERN_INFO, ha,
4052 "Attempting retry of stop-firmware command...\n");
4053 ret = qla2x00_stop_firmware(ha);
4054 }
4055}
2c3dfe3f
SJ		 4056
4057int
4058qla24xx_configure_vhba(scsi_qla_host_t *ha)
4059{
4060 int rval = QLA_SUCCESS;
4061 uint16_t mb[MAILBOX_REGISTER_COUNT];
4062
4063 if (!ha->parent)
4064 return -EINVAL;
4065
d4486fd6 4066 rval = qla2x00_fw_ready(ha->parent);
2c3dfe3f
SJ		 4067 if (rval == QLA_SUCCESS) {
4068 clear_bit(RESET_MARKER_NEEDED, &ha->dpc_flags);
246de42c 4069 qla2x00_marker(ha, 0, 0, MK_SYNC_ALL);
2c3dfe3f
SJ		 4070 }
4071
4072 ha->flags.management_server_logged_in = 0;
4073
4074 /* Login to SNS first */
d4486fd6 4075 qla24xx_login_fabric(ha->parent, NPH_SNS, 0xff, 0xff, 0xfc,
2c3dfe3f
SJ		 4076 mb, BIT_1);
4077 if (mb[0] != MBS_COMMAND_COMPLETE) {
4078 DEBUG15(qla_printk(KERN_INFO, ha,
4079 "Failed SNS login: loop_id=%x mb[0]=%x mb[1]=%x "
4080 "mb[2]=%x mb[6]=%x mb[7]=%x\n", NPH_SNS,
4081 mb[0], mb[1], mb[2], mb[6], mb[7]));
4082 return (QLA_FUNCTION_FAILED);
4083 }
4084
4085 atomic_set(&ha->loop_down_timer, 0);
4086 atomic_set(&ha->loop_state, LOOP_UP);
4087 set_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags);
4088 set_bit(LOCAL_LOOP_UPDATE, &ha->dpc_flags);
d4486fd6 4089 rval = qla2x00_loop_resync(ha->parent);
2c3dfe3f
SJ		 4090
4091 return rval;
4092}
4d4df193
HK		 4093
4094/* 84XX Support **************************************************************/
4095
4096static LIST_HEAD(qla_cs84xx_list);
4097static DEFINE_MUTEX(qla_cs84xx_mutex);
4098
4099static struct qla_chip_state_84xx *
4100qla84xx_get_chip(struct scsi_qla_host *ha)
4101{
4102 struct qla_chip_state_84xx *cs84xx;
4103
4104 mutex_lock(&qla_cs84xx_mutex);
4105
4106 /* Find any shared 84xx chip. */
4107 list_for_each_entry(cs84xx, &qla_cs84xx_list, list) {
4108 if (cs84xx->bus == ha->pdev->bus) {
4109 kref_get(&cs84xx->kref);
4110 goto done;
4111 }
4112 }
4113
4114 cs84xx = kzalloc(sizeof(*cs84xx), GFP_KERNEL);
4115 if (!cs84xx)
4116 goto done;
4117
4118 kref_init(&cs84xx->kref);
4119 spin_lock_init(&cs84xx->access_lock);
4120 mutex_init(&cs84xx->fw_update_mutex);
4121 cs84xx->bus = ha->pdev->bus;
4122
4123 list_add_tail(&cs84xx->list, &qla_cs84xx_list);
4124done:
4125 mutex_unlock(&qla_cs84xx_mutex);
4126 return cs84xx;
4127}
4128
4129static void
4130__qla84xx_chip_release(struct kref *kref)
4131{
4132 struct qla_chip_state_84xx *cs84xx =
4133 container_of(kref, struct qla_chip_state_84xx, kref);
4134
4135 mutex_lock(&qla_cs84xx_mutex);
4136 list_del(&cs84xx->list);
4137 mutex_unlock(&qla_cs84xx_mutex);
4138 kfree(cs84xx);
4139}
4140
4141void
4142qla84xx_put_chip(struct scsi_qla_host *ha)
4143{
4144 if (ha->cs84xx)
4145 kref_put(&ha->cs84xx->kref, __qla84xx_chip_release);
4146}
4147
4148static int
4149qla84xx_init_chip(scsi_qla_host_t *ha)
4150{
4151 int rval;
4152 uint16_t status[2];
4153
4154 mutex_lock(&ha->cs84xx->fw_update_mutex);
4155
4156 rval = qla84xx_verify_chip(ha, status);
4157
4158 mutex_unlock(&ha->cs84xx->fw_update_mutex);
4159
4160 return rval != QLA_SUCCESS || status[0] ? QLA_FUNCTION_FAILED:
4161 QLA_SUCCESS;
4162}
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