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[SCSI] qla2xxx: Don't try to 'stop' firmware if already in ROM code.
[linux-2.6-block.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"
73208dfd 8#include "qla_gbl.h"
1da177e4
LT		 9
10#include <linux/delay.h>
0107109e 11#include <linux/vmalloc.h>
1da177e4
LT		 12
13#include "qla_devtbl.h"
14
4e08df3f
DM		 15#ifdef CONFIG_SPARC
16#include <asm/prom.h>
4e08df3f
DM		 17#endif
18
1da177e4
LT		 19/*
20* QLogic ISP2x00 Hardware Support Function Prototypes.
21*/
1da177e4 22static int qla2x00_isp_firmware(scsi_qla_host_t *);
1da177e4 23static int qla2x00_setup_chip(scsi_qla_host_t *);
1da177e4
LT		 24static int qla2x00_init_rings(scsi_qla_host_t *);
25static int qla2x00_fw_ready(scsi_qla_host_t *);
26static int qla2x00_configure_hba(scsi_qla_host_t *);
1da177e4
LT		 27static int qla2x00_configure_loop(scsi_qla_host_t *);
28static int qla2x00_configure_local_loop(scsi_qla_host_t *);
1da177e4
LT		 29static int qla2x00_configure_fabric(scsi_qla_host_t *);
30static int qla2x00_find_all_fabric_devs(scsi_qla_host_t *, struct list_head *);
31static int qla2x00_device_resync(scsi_qla_host_t *);
32static int qla2x00_fabric_dev_login(scsi_qla_host_t *, fc_port_t *,
33 uint16_t *);
1da177e4
LT		 34
35static int qla2x00_restart_isp(scsi_qla_host_t *);
1da177e4 36
e315cd28 37static int qla2x00_find_new_loop_id(scsi_qla_host_t *, fc_port_t *);
413975a0 38
4d4df193
HK		 39static struct qla_chip_state_84xx *qla84xx_get_chip(struct scsi_qla_host *);
40static int qla84xx_init_chip(scsi_qla_host_t *);
73208dfd 41static int qla25xx_init_queues(struct qla_hw_data *);
4d4df193 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
e315cd28 58qla2x00_initialize_adapter(scsi_qla_host_t *vha)
1da177e4
LT		 59{
60 int rval;
e315cd28 61 struct qla_hw_data *ha = vha->hw;
73208dfd 62 struct req_que *req = ha->req_q_map[0];
2533cf67 63
1da177e4 64 /* Clear adapter flags. */
e315cd28 65 vha->flags.online = 0;
2533cf67 66 ha->flags.chip_reset_done = 0;
e315cd28
AC		 67 vha->flags.reset_active = 0;
68 atomic_set(&vha->loop_down_timer, LOOP_DOWN_TIME);
69 atomic_set(&vha->loop_state, LOOP_DOWN);
70 vha->device_flags = DFLG_NO_CABLE;
71 vha->dpc_flags = 0;
72 vha->flags.management_server_logged_in = 0;
73 vha->marker_needed = 0;
1da177e4
LT		 74 ha->isp_abort_cnt = 0;
75 ha->beacon_blink_led = 0;
e315cd28 76 set_bit(REGISTER_FDMI_NEEDED, &vha->dpc_flags);
1da177e4 77
73208dfd
AC		 78 set_bit(0, ha->req_qid_map);
79 set_bit(0, ha->rsp_qid_map);
80
0107109e 81 qla_printk(KERN_INFO, ha, "Configuring PCI space...\n");
e315cd28 82 rval = ha->isp_ops->pci_config(vha);
1da177e4 83 if (rval) {
7c98a046 84 DEBUG2(printk("scsi(%ld): Unable to configure PCI space.\n",
e315cd28 85 vha->host_no));
1da177e4
LT		 86 return (rval);
87 }
88
e315cd28 89 ha->isp_ops->reset_chip(vha);
1da177e4 90
e315cd28 91 rval = qla2xxx_get_flash_info(vha);
c00d8994
AV		 92 if (rval) {
93 DEBUG2(printk("scsi(%ld): Unable to validate FLASH data.\n",
e315cd28 94 vha->host_no));
c00d8994
AV		 95 return (rval);
96 }
97
73208dfd 98 ha->isp_ops->get_flash_version(vha, req->ring);
30c47662 99
1da177e4 100 qla_printk(KERN_INFO, ha, "Configure NVRAM parameters...\n");
0107109e 101
e315cd28 102 ha->isp_ops->nvram_config(vha);
1da177e4 103
d4c760c2
AV		 104 if (ha->flags.disable_serdes) {
105 /* Mask HBA via NVRAM settings? */
106 qla_printk(KERN_INFO, ha, "Masking HBA WWPN "
107 "%02x%02x%02x%02x%02x%02x%02x%02x (via NVRAM).\n",
e315cd28
AC		 108 vha->port_name[0], vha->port_name[1],
109 vha->port_name[2], vha->port_name[3],
110 vha->port_name[4], vha->port_name[5],
111 vha->port_name[6], vha->port_name[7]);
d4c760c2
AV		 112 return QLA_FUNCTION_FAILED;
113 }
114
1da177e4
LT		 115 qla_printk(KERN_INFO, ha, "Verifying loaded RISC code...\n");
116
e315cd28
AC		 117 if (qla2x00_isp_firmware(vha) != QLA_SUCCESS) {
118 rval = ha->isp_ops->chip_diag(vha);
d19044c3
AV		 119 if (rval)
120 return (rval);
e315cd28 121 rval = qla2x00_setup_chip(vha);
d19044c3
AV		 122 if (rval)
123 return (rval);
1da177e4 124 }
4d4df193 125 if (IS_QLA84XX(ha)) {
e315cd28 126 ha->cs84xx = qla84xx_get_chip(vha);
4d4df193
HK		 127 if (!ha->cs84xx) {
128 qla_printk(KERN_ERR, ha,
129 "Unable to configure ISP84XX.\n");
130 return QLA_FUNCTION_FAILED;
131 }
132 }
e315cd28 133 rval = qla2x00_init_rings(vha);
2533cf67 134 ha->flags.chip_reset_done = 1;
1da177e4
LT		 135
136 return (rval);
137}
138
139/**
abbd8870 140 * qla2100_pci_config() - Setup ISP21xx PCI configuration registers.
1da177e4
LT		 141 * @ha: HA context
142 *
143 * Returns 0 on success.
144 */
abbd8870 145int
e315cd28 146qla2100_pci_config(scsi_qla_host_t *vha)
1da177e4 147{
a157b101 148 uint16_t w;
abbd8870 149 unsigned long flags;
e315cd28 150 struct qla_hw_data *ha = vha->hw;
3d71644c 151 struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
1da177e4 152
1da177e4 153 pci_set_master(ha->pdev);
af6177d8 154 pci_try_set_mwi(ha->pdev);
1da177e4 155
1da177e4 156 pci_read_config_word(ha->pdev, PCI_COMMAND, &w);
a157b101 157 w |= (PCI_COMMAND_PARITY | PCI_COMMAND_SERR);
abbd8870
AV		 158 pci_write_config_word(ha->pdev, PCI_COMMAND, w);
159
737faece 160 pci_disable_rom(ha->pdev);
1da177e4
LT		 161
162 /* Get PCI bus information. */
163 spin_lock_irqsave(&ha->hardware_lock, flags);
3d71644c 164 ha->pci_attr = RD_REG_WORD(&reg->ctrl_status);
1da177e4
LT		 165 spin_unlock_irqrestore(&ha->hardware_lock, flags);
166
abbd8870
AV		 167 return QLA_SUCCESS;
168}
1da177e4 169
abbd8870
AV		 170/**
171 * qla2300_pci_config() - Setup ISP23xx PCI configuration registers.
172 * @ha: HA context
173 *
174 * Returns 0 on success.
175 */
176int
e315cd28 177qla2300_pci_config(scsi_qla_host_t *vha)
abbd8870 178{
a157b101 179 uint16_t w;
abbd8870
AV		 180 unsigned long flags = 0;
181 uint32_t cnt;
e315cd28 182 struct qla_hw_data *ha = vha->hw;
3d71644c 183 struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
1da177e4 184
abbd8870 185 pci_set_master(ha->pdev);
af6177d8 186 pci_try_set_mwi(ha->pdev);
1da177e4 187
abbd8870 188 pci_read_config_word(ha->pdev, PCI_COMMAND, &w);
a157b101 189 w |= (PCI_COMMAND_PARITY | PCI_COMMAND_SERR);
1da177e4 190
abbd8870
AV		 191 if (IS_QLA2322(ha) || IS_QLA6322(ha))
192 w &= ~PCI_COMMAND_INTX_DISABLE;
a157b101 193 pci_write_config_word(ha->pdev, PCI_COMMAND, w);
1da177e4 194
abbd8870
AV		 195 /*
196 * If this is a 2300 card and not 2312, reset the
197 * COMMAND_INVALIDATE due to a bug in the 2300. Unfortunately,
198 * the 2310 also reports itself as a 2300 so we need to get the
199 * fb revision level -- a 6 indicates it really is a 2300 and
200 * not a 2310.
201 */
202 if (IS_QLA2300(ha)) {
203 spin_lock_irqsave(&ha->hardware_lock, flags);
1da177e4 204
abbd8870 205 /* Pause RISC. */
3d71644c 206 WRT_REG_WORD(&reg->hccr, HCCR_PAUSE_RISC);
abbd8870 207 for (cnt = 0; cnt < 30000; cnt++) {
3d71644c 208 if ((RD_REG_WORD(&reg->hccr) & HCCR_RISC_PAUSE) != 0)
abbd8870 209 break;
1da177e4 210
abbd8870
AV		 211 udelay(10);
212 }
1da177e4 213
abbd8870 214 /* Select FPM registers. */
3d71644c
AV		 215 WRT_REG_WORD(&reg->ctrl_status, 0x20);
216 RD_REG_WORD(&reg->ctrl_status);
abbd8870
AV		 217
218 /* Get the fb rev level */
3d71644c 219 ha->fb_rev = RD_FB_CMD_REG(ha, reg);
abbd8870
AV		 220
221 if (ha->fb_rev == FPM_2300)
a157b101 222 pci_clear_mwi(ha->pdev);
abbd8870
AV		 223
224 /* Deselect FPM registers. */
3d71644c
AV		 225 WRT_REG_WORD(&reg->ctrl_status, 0x0);
226 RD_REG_WORD(&reg->ctrl_status);
abbd8870
AV		 227
228 /* Release RISC module. */
3d71644c 229 WRT_REG_WORD(&reg->hccr, HCCR_RELEASE_RISC);
abbd8870 230 for (cnt = 0; cnt < 30000; cnt++) {
3d71644c 231 if ((RD_REG_WORD(&reg->hccr) & HCCR_RISC_PAUSE) == 0)
abbd8870
AV		 232 break;
233
234 udelay(10);
1da177e4 235 }
1da177e4 236
abbd8870
AV		 237 spin_unlock_irqrestore(&ha->hardware_lock, flags);
238 }
1da177e4 239
abbd8870
AV		 240 pci_write_config_byte(ha->pdev, PCI_LATENCY_TIMER, 0x80);
241
737faece 242 pci_disable_rom(ha->pdev);
1da177e4 243
abbd8870
AV		 244 /* Get PCI bus information. */
245 spin_lock_irqsave(&ha->hardware_lock, flags);
3d71644c 246 ha->pci_attr = RD_REG_WORD(&reg->ctrl_status);
abbd8870
AV		 247 spin_unlock_irqrestore(&ha->hardware_lock, flags);
248
249 return QLA_SUCCESS;
1da177e4
LT		 250}
251
0107109e
AV		 252/**
253 * qla24xx_pci_config() - Setup ISP24xx PCI configuration registers.
254 * @ha: HA context
255 *
256 * Returns 0 on success.
257 */
258int
e315cd28 259qla24xx_pci_config(scsi_qla_host_t *vha)
0107109e 260{
a157b101 261 uint16_t w;
0107109e 262 unsigned long flags = 0;
e315cd28 263 struct qla_hw_data *ha = vha->hw;
0107109e 264 struct device_reg_24xx __iomem *reg = &ha->iobase->isp24;
0107109e
AV		 265
266 pci_set_master(ha->pdev);
af6177d8 267 pci_try_set_mwi(ha->pdev);
0107109e
AV		 268
269 pci_read_config_word(ha->pdev, PCI_COMMAND, &w);
a157b101 270 w |= (PCI_COMMAND_PARITY | PCI_COMMAND_SERR);
0107109e
AV		 271 w &= ~PCI_COMMAND_INTX_DISABLE;
272 pci_write_config_word(ha->pdev, PCI_COMMAND, w);
273
274 pci_write_config_byte(ha->pdev, PCI_LATENCY_TIMER, 0x80);
275
276 /* PCI-X -- adjust Maximum Memory Read Byte Count (2048). */
f85ec187
AV		 277 if (pci_find_capability(ha->pdev, PCI_CAP_ID_PCIX))
278 pcix_set_mmrbc(ha->pdev, 2048);
0107109e
AV		 279
280 /* PCIe -- adjust Maximum Read Request Size (2048). */
f85ec187
AV		 281 if (pci_find_capability(ha->pdev, PCI_CAP_ID_EXP))
282 pcie_set_readrq(ha->pdev, 2048);
0107109e 283
737faece 284 pci_disable_rom(ha->pdev);
0107109e 285
44c10138 286 ha->chip_revision = ha->pdev->revision;
a8488abe 287
0107109e
AV		 288 /* Get PCI bus information. */
289 spin_lock_irqsave(&ha->hardware_lock, flags);
290 ha->pci_attr = RD_REG_DWORD(&reg->ctrl_status);
291 spin_unlock_irqrestore(&ha->hardware_lock, flags);
292
293 return QLA_SUCCESS;
294}
295
c3a2f0df
AV		 296/**
297 * qla25xx_pci_config() - Setup ISP25xx PCI configuration registers.
298 * @ha: HA context
299 *
300 * Returns 0 on success.
301 */
302int
e315cd28 303qla25xx_pci_config(scsi_qla_host_t *vha)
c3a2f0df
AV		 304{
305 uint16_t w;
e315cd28 306 struct qla_hw_data *ha = vha->hw;
c3a2f0df
AV		 307
308 pci_set_master(ha->pdev);
309 pci_try_set_mwi(ha->pdev);
310
311 pci_read_config_word(ha->pdev, PCI_COMMAND, &w);
312 w |= (PCI_COMMAND_PARITY | PCI_COMMAND_SERR);
313 w &= ~PCI_COMMAND_INTX_DISABLE;
314 pci_write_config_word(ha->pdev, PCI_COMMAND, w);
315
316 /* PCIe -- adjust Maximum Read Request Size (2048). */
317 if (pci_find_capability(ha->pdev, PCI_CAP_ID_EXP))
318 pcie_set_readrq(ha->pdev, 2048);
319
737faece 320 pci_disable_rom(ha->pdev);
c3a2f0df
AV		 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
e315cd28 334qla2x00_isp_firmware(scsi_qla_host_t *vha)
1da177e4
LT		 335{
336 int rval;
42e421b1
AV		 337 uint16_t loop_id, topo, sw_cap;
338 uint8_t domain, area, al_pa;
e315cd28 339 struct qla_hw_data *ha = vha->hw;
1da177e4
LT		 340
341 /* Assume loading risc code */
fa2a1ce5 342 rval = QLA_FUNCTION_FAILED;
1da177e4
LT		 343
344 if (ha->flags.disable_risc_code_load) {
345 DEBUG2(printk("scsi(%ld): RISC CODE NOT loaded\n",
e315cd28 346 vha->host_no));
1da177e4
LT		 347 qla_printk(KERN_INFO, ha, "RISC CODE NOT loaded\n");
348
349 /* Verify checksum of loaded RISC code. */
e315cd28 350 rval = qla2x00_verify_checksum(vha, ha->fw_srisc_address);
42e421b1
AV		 351 if (rval == QLA_SUCCESS) {
352 /* And, verify we are not in ROM code. */
e315cd28 353 rval = qla2x00_get_adapter_id(vha, &loop_id, &al_pa,
42e421b1
AV		 354 &area, &domain, &topo, &sw_cap);
355 }
1da177e4
LT		 356 }
357
358 if (rval) {
359 DEBUG2_3(printk("scsi(%ld): **** Load RISC code ****\n",
e315cd28 360 vha->host_no));
1da177e4
LT		 361 }
362
363 return (rval);
364}
365
366/**
367 * qla2x00_reset_chip() - Reset ISP chip.
368 * @ha: HA context
369 *
370 * Returns 0 on success.
371 */
abbd8870 372void
e315cd28 373qla2x00_reset_chip(scsi_qla_host_t *vha)
1da177e4
LT		 374{
375 unsigned long flags = 0;
e315cd28 376 struct qla_hw_data *ha = vha->hw;
3d71644c 377 struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
1da177e4 378 uint32_t cnt;
1da177e4
LT		 379 uint16_t cmd;
380
fd34f556 381 ha->isp_ops->disable_intrs(ha);
1da177e4
LT		 382
383 spin_lock_irqsave(&ha->hardware_lock, flags);
384
385 /* Turn off master enable */
386 cmd = 0;
387 pci_read_config_word(ha->pdev, PCI_COMMAND, &cmd);
388 cmd &= ~PCI_COMMAND_MASTER;
389 pci_write_config_word(ha->pdev, PCI_COMMAND, cmd);
390
391 if (!IS_QLA2100(ha)) {
392 /* Pause RISC. */
393 WRT_REG_WORD(&reg->hccr, HCCR_PAUSE_RISC);
394 if (IS_QLA2200(ha) || IS_QLA2300(ha)) {
395 for (cnt = 0; cnt < 30000; cnt++) {
396 if ((RD_REG_WORD(&reg->hccr) &
397 HCCR_RISC_PAUSE) != 0)
398 break;
399 udelay(100);
400 }
401 } else {
402 RD_REG_WORD(&reg->hccr); /* PCI Posting. */
403 udelay(10);
404 }
405
406 /* Select FPM registers. */
407 WRT_REG_WORD(&reg->ctrl_status, 0x20);
408 RD_REG_WORD(&reg->ctrl_status); /* PCI Posting. */
409
410 /* FPM Soft Reset. */
411 WRT_REG_WORD(&reg->fpm_diag_config, 0x100);
412 RD_REG_WORD(&reg->fpm_diag_config); /* PCI Posting. */
413
414 /* Toggle Fpm Reset. */
415 if (!IS_QLA2200(ha)) {
416 WRT_REG_WORD(&reg->fpm_diag_config, 0x0);
417 RD_REG_WORD(&reg->fpm_diag_config); /* PCI Posting. */
418 }
419
420 /* Select frame buffer registers. */
421 WRT_REG_WORD(&reg->ctrl_status, 0x10);
422 RD_REG_WORD(&reg->ctrl_status); /* PCI Posting. */
423
424 /* Reset frame buffer FIFOs. */
425 if (IS_QLA2200(ha)) {
426 WRT_FB_CMD_REG(ha, reg, 0xa000);
427 RD_FB_CMD_REG(ha, reg); /* PCI Posting. */
428 } else {
429 WRT_FB_CMD_REG(ha, reg, 0x00fc);
430
431 /* Read back fb_cmd until zero or 3 seconds max */
432 for (cnt = 0; cnt < 3000; cnt++) {
433 if ((RD_FB_CMD_REG(ha, reg) & 0xff) == 0)
434 break;
435 udelay(100);
436 }
437 }
438
439 /* Select RISC module registers. */
440 WRT_REG_WORD(&reg->ctrl_status, 0);
441 RD_REG_WORD(&reg->ctrl_status); /* PCI Posting. */
442
443 /* Reset RISC processor. */
444 WRT_REG_WORD(&reg->hccr, HCCR_RESET_RISC);
445 RD_REG_WORD(&reg->hccr); /* PCI Posting. */
446
447 /* Release RISC processor. */
448 WRT_REG_WORD(&reg->hccr, HCCR_RELEASE_RISC);
449 RD_REG_WORD(&reg->hccr); /* PCI Posting. */
450 }
451
452 WRT_REG_WORD(&reg->hccr, HCCR_CLR_RISC_INT);
453 WRT_REG_WORD(&reg->hccr, HCCR_CLR_HOST_INT);
454
455 /* Reset ISP chip. */
456 WRT_REG_WORD(&reg->ctrl_status, CSR_ISP_SOFT_RESET);
457
458 /* Wait for RISC to recover from reset. */
459 if (IS_QLA2100(ha) || IS_QLA2200(ha) || IS_QLA2300(ha)) {
460 /*
461 * It is necessary to for a delay here since the card doesn't
462 * respond to PCI reads during a reset. On some architectures
463 * this will result in an MCA.
464 */
465 udelay(20);
466 for (cnt = 30000; cnt; cnt--) {
467 if ((RD_REG_WORD(&reg->ctrl_status) &
468 CSR_ISP_SOFT_RESET) == 0)
469 break;
470 udelay(100);
471 }
472 } else
473 udelay(10);
474
475 /* Reset RISC processor. */
476 WRT_REG_WORD(&reg->hccr, HCCR_RESET_RISC);
477
478 WRT_REG_WORD(&reg->semaphore, 0);
479
480 /* Release RISC processor. */
481 WRT_REG_WORD(&reg->hccr, HCCR_RELEASE_RISC);
482 RD_REG_WORD(&reg->hccr); /* PCI Posting. */
483
484 if (IS_QLA2100(ha) || IS_QLA2200(ha) || IS_QLA2300(ha)) {
485 for (cnt = 0; cnt < 30000; cnt++) {
ffb39f03 486 if (RD_MAILBOX_REG(ha, reg, 0) != MBS_BUSY)
1da177e4 487 break;
1da177e4
LT		 488
489 udelay(100);
490 }
491 } else
492 udelay(100);
493
494 /* Turn on master enable */
495 cmd |= PCI_COMMAND_MASTER;
496 pci_write_config_word(ha->pdev, PCI_COMMAND, cmd);
497
498 /* Disable RISC pause on FPM parity error. */
499 if (!IS_QLA2100(ha)) {
500 WRT_REG_WORD(&reg->hccr, HCCR_DISABLE_PARITY_PAUSE);
501 RD_REG_WORD(&reg->hccr); /* PCI Posting. */
502 }
503
504 spin_unlock_irqrestore(&ha->hardware_lock, flags);
505}
506
0107109e 507/**
88c26663 508 * qla24xx_reset_risc() - Perform full reset of ISP24xx RISC.
0107109e
AV		 509 * @ha: HA context
510 *
511 * Returns 0 on success.
512 */
88c26663 513static inline void
e315cd28 514qla24xx_reset_risc(scsi_qla_host_t *vha)
0107109e
AV		 515{
516 unsigned long flags = 0;
e315cd28 517 struct qla_hw_data *ha = vha->hw;
0107109e
AV		 518 struct device_reg_24xx __iomem *reg = &ha->iobase->isp24;
519 uint32_t cnt, d2;
335a1cc9 520 uint16_t wd;
0107109e 521
0107109e
AV		 522 spin_lock_irqsave(&ha->hardware_lock, flags);
523
524 /* Reset RISC. */
525 WRT_REG_DWORD(&reg->ctrl_status, CSRX_DMA_SHUTDOWN|MWB_4096_BYTES);
526 for (cnt = 0; cnt < 30000; cnt++) {
527 if ((RD_REG_DWORD(&reg->ctrl_status) & CSRX_DMA_ACTIVE) == 0)
528 break;
529
530 udelay(10);
531 }
532
533 WRT_REG_DWORD(&reg->ctrl_status,
534 CSRX_ISP_SOFT_RESET|CSRX_DMA_SHUTDOWN|MWB_4096_BYTES);
335a1cc9 535 pci_read_config_word(ha->pdev, PCI_COMMAND, &wd);
88c26663 536
335a1cc9 537 udelay(100);
88c26663 538 /* Wait for firmware to complete NVRAM accesses. */
88c26663
AV		 539 d2 = (uint32_t) RD_REG_WORD(&reg->mailbox0);
540 for (cnt = 10000 ; cnt && d2; cnt--) {
541 udelay(5);
542 d2 = (uint32_t) RD_REG_WORD(&reg->mailbox0);
543 barrier();
544 }
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 }
553
554 WRT_REG_DWORD(&reg->hccr, HCCRX_SET_RISC_RESET);
555 RD_REG_DWORD(&reg->hccr);
556
557 WRT_REG_DWORD(&reg->hccr, HCCRX_REL_RISC_PAUSE);
558 RD_REG_DWORD(&reg->hccr);
559
560 WRT_REG_DWORD(&reg->hccr, HCCRX_CLR_RISC_RESET);
561 RD_REG_DWORD(&reg->hccr);
562
563 d2 = (uint32_t) RD_REG_WORD(&reg->mailbox0);
564 for (cnt = 6000000 ; cnt && d2; cnt--) {
565 udelay(5);
566 d2 = (uint32_t) RD_REG_WORD(&reg->mailbox0);
567 barrier();
568 }
569
570 spin_unlock_irqrestore(&ha->hardware_lock, flags);
124f85e6
AV		 571
572 if (IS_NOPOLLING_TYPE(ha))
573 ha->isp_ops->enable_intrs(ha);
0107109e
AV		 574}
575
88c26663
AV		 576/**
577 * qla24xx_reset_chip() - Reset ISP24xx chip.
578 * @ha: HA context
579 *
580 * Returns 0 on success.
581 */
582void
e315cd28 583qla24xx_reset_chip(scsi_qla_host_t *vha)
88c26663 584{
e315cd28 585 struct qla_hw_data *ha = vha->hw;
fd34f556 586 ha->isp_ops->disable_intrs(ha);
88c26663
AV		 587
588 /* Perform RISC reset. */
e315cd28 589 qla24xx_reset_risc(vha);
88c26663
AV		 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
e315cd28 599qla2x00_chip_diag(scsi_qla_host_t *vha)
1da177e4
LT		 600{
601 int rval;
e315cd28 602 struct qla_hw_data *ha = vha->hw;
3d71644c 603 struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
1da177e4
LT		 604 unsigned long flags = 0;
605 uint16_t data;
606 uint32_t cnt;
607 uint16_t mb[5];
73208dfd 608 struct req_que *req = ha->req_q_map[0];
1da177e4
LT		 609
610 /* Assume a failed state */
611 rval = QLA_FUNCTION_FAILED;
612
613 DEBUG3(printk("scsi(%ld): Testing device at %lx.\n",
e315cd28 614 vha->host_no, (u_long)&reg->flash_address));
1da177e4
LT		 615
616 spin_lock_irqsave(&ha->hardware_lock, flags);
617
618 /* Reset ISP chip. */
619 WRT_REG_WORD(&reg->ctrl_status, CSR_ISP_SOFT_RESET);
620
621 /*
622 * We need to have a delay here since the card will not respond while
623 * in reset causing an MCA on some architectures.
624 */
625 udelay(20);
626 data = qla2x00_debounce_register(&reg->ctrl_status);
627 for (cnt = 6000000 ; cnt && (data & CSR_ISP_SOFT_RESET); cnt--) {
628 udelay(5);
629 data = RD_REG_WORD(&reg->ctrl_status);
630 barrier();
631 }
632
633 if (!cnt)
634 goto chip_diag_failed;
635
636 DEBUG3(printk("scsi(%ld): Reset register cleared by chip reset\n",
7640335e 637 vha->host_no));
1da177e4
LT		 638
639 /* Reset RISC processor. */
640 WRT_REG_WORD(&reg->hccr, HCCR_RESET_RISC);
641 WRT_REG_WORD(&reg->hccr, HCCR_RELEASE_RISC);
642
643 /* Workaround for QLA2312 PCI parity error */
644 if (IS_QLA2100(ha) || IS_QLA2200(ha) || IS_QLA2300(ha)) {
645 data = qla2x00_debounce_register(MAILBOX_REG(ha, reg, 0));
646 for (cnt = 6000000; cnt && (data == MBS_BUSY); cnt--) {
647 udelay(5);
648 data = RD_MAILBOX_REG(ha, reg, 0);
fa2a1ce5 649 barrier();
1da177e4
LT		 650 }
651 } else
652 udelay(10);
653
654 if (!cnt)
655 goto chip_diag_failed;
656
657 /* Check product ID of chip */
7640335e 658 DEBUG3(printk("scsi(%ld): Checking product ID of chip\n", vha->host_no));
1da177e4
LT		 659
660 mb[1] = RD_MAILBOX_REG(ha, reg, 1);
661 mb[2] = RD_MAILBOX_REG(ha, reg, 2);
662 mb[3] = RD_MAILBOX_REG(ha, reg, 3);
663 mb[4] = qla2x00_debounce_register(MAILBOX_REG(ha, reg, 4));
664 if (mb[1] != PROD_ID_1 || (mb[2] != PROD_ID_2 && mb[2] != PROD_ID_2a) ||
665 mb[3] != PROD_ID_3) {
666 qla_printk(KERN_WARNING, ha,
667 "Wrong product ID = 0x%x,0x%x,0x%x\n", mb[1], mb[2], mb[3]);
668
669 goto chip_diag_failed;
670 }
671 ha->product_id[0] = mb[1];
672 ha->product_id[1] = mb[2];
673 ha->product_id[2] = mb[3];
674 ha->product_id[3] = mb[4];
675
676 /* Adjust fw RISC transfer size */
73208dfd 677 if (req->length > 1024)
1da177e4
LT		 678 ha->fw_transfer_size = REQUEST_ENTRY_SIZE * 1024;
679 else
680 ha->fw_transfer_size = REQUEST_ENTRY_SIZE *
73208dfd 681 req->length;
1da177e4
LT		 682
683 if (IS_QLA2200(ha) &&
684 RD_MAILBOX_REG(ha, reg, 7) == QLA2200A_RISC_ROM_VER) {
685 /* Limit firmware transfer size with a 2200A */
686 DEBUG3(printk("scsi(%ld): Found QLA2200A chip.\n",
e315cd28 687 vha->host_no));
1da177e4 688
ea5b6382 689 ha->device_type |= DT_ISP2200A;
1da177e4
LT		 690 ha->fw_transfer_size = 128;
691 }
692
693 /* Wrap Incoming Mailboxes Test. */
694 spin_unlock_irqrestore(&ha->hardware_lock, flags);
695
e315cd28
AC		 696 DEBUG3(printk("scsi(%ld): Checking mailboxes.\n", vha->host_no));
697 rval = qla2x00_mbx_reg_test(vha);
1da177e4
LT		 698 if (rval) {
699 DEBUG(printk("scsi(%ld): Failed mailbox send register test\n",
e315cd28 700 vha->host_no));
1da177e4
LT		 701 qla_printk(KERN_WARNING, ha,
702 "Failed mailbox send register test\n");
703 }
704 else {
705 /* Flag a successful rval */
706 rval = QLA_SUCCESS;
707 }
708 spin_lock_irqsave(&ha->hardware_lock, flags);
709
710chip_diag_failed:
711 if (rval)
712 DEBUG2_3(printk("scsi(%ld): Chip diagnostics **** FAILED "
e315cd28 713 "****\n", vha->host_no));
1da177e4
LT		 714
715 spin_unlock_irqrestore(&ha->hardware_lock, flags);
716
717 return (rval);
718}
719
0107109e
AV		 720/**
721 * qla24xx_chip_diag() - Test ISP24xx for proper operation.
722 * @ha: HA context
723 *
724 * Returns 0 on success.
725 */
726int
e315cd28 727qla24xx_chip_diag(scsi_qla_host_t *vha)
0107109e
AV		 728{
729 int rval;
e315cd28 730 struct qla_hw_data *ha = vha->hw;
73208dfd 731 struct req_que *req = ha->req_q_map[0];
0107109e 732
88c26663 733 /* Perform RISC reset. */
e315cd28 734 qla24xx_reset_risc(vha);
0107109e 735
73208dfd 736 ha->fw_transfer_size = REQUEST_ENTRY_SIZE * req->length;
0107109e 737
e315cd28 738 rval = qla2x00_mbx_reg_test(vha);
0107109e
AV		 739 if (rval) {
740 DEBUG(printk("scsi(%ld): Failed mailbox send register test\n",
e315cd28 741 vha->host_no));
0107109e
AV		 742 qla_printk(KERN_WARNING, ha,
743 "Failed mailbox send register test\n");
744 } else {
745 /* Flag a successful rval */
746 rval = QLA_SUCCESS;
747 }
748
749 return rval;
750}
751
a7a167bf 752void
e315cd28 753qla2x00_alloc_fw_dump(scsi_qla_host_t *vha)
0107109e 754{
a7a167bf
AV		 755 int rval;
756 uint32_t dump_size, fixed_size, mem_size, req_q_size, rsp_q_size,
73208dfd 757 eft_size, fce_size, mq_size;
df613b96
AV		 758 dma_addr_t tc_dma;
759 void *tc;
e315cd28 760 struct qla_hw_data *ha = vha->hw;
73208dfd
AC		 761 struct req_que *req = ha->req_q_map[0];
762 struct rsp_que *rsp = ha->rsp_q_map[0];
a7a167bf
AV		 763
764 if (ha->fw_dump) {
765 qla_printk(KERN_WARNING, ha,
766 "Firmware dump previously allocated.\n");
767 return;
768 }
d4e3e04d 769
0107109e 770 ha->fw_dumped = 0;
73208dfd 771 fixed_size = mem_size = eft_size = fce_size = mq_size = 0;
d4e3e04d 772 if (IS_QLA2100(ha) || IS_QLA2200(ha)) {
a7a167bf 773 fixed_size = sizeof(struct qla2100_fw_dump);
d4e3e04d 774 } else if (IS_QLA23XX(ha)) {
a7a167bf
AV		 775 fixed_size = offsetof(struct qla2300_fw_dump, data_ram);
776 mem_size = (ha->fw_memory_size - 0x11000 + 1) *
777 sizeof(uint16_t);
e428924c 778 } else if (IS_FWI2_CAPABLE(ha)) {
3a03eb79
AV		 779 if (IS_QLA81XX(ha))
780 fixed_size = offsetof(struct qla81xx_fw_dump, ext_mem);
781 else if (IS_QLA25XX(ha))
782 fixed_size = offsetof(struct qla25xx_fw_dump, ext_mem);
783 else
784 fixed_size = offsetof(struct qla24xx_fw_dump, ext_mem);
a7a167bf
AV		 785 mem_size = (ha->fw_memory_size - 0x100000 + 1) *
786 sizeof(uint32_t);
73208dfd
AC		 787 if (ha->mqenable)
788 mq_size = sizeof(struct qla2xxx_mq_chain);
df613b96 789 /* Allocate memory for Fibre Channel Event Buffer. */
3a03eb79 790 if (!IS_QLA25XX(ha) && !IS_QLA81XX(ha))
436a7b11 791 goto try_eft;
df613b96
AV		 792
793 tc = dma_alloc_coherent(&ha->pdev->dev, FCE_SIZE, &tc_dma,
794 GFP_KERNEL);
795 if (!tc) {
796 qla_printk(KERN_WARNING, ha, "Unable to allocate "
797 "(%d KB) for FCE.\n", FCE_SIZE / 1024);
17d98630 798 goto try_eft;
df613b96
AV		 799 }
800
801 memset(tc, 0, FCE_SIZE);
e315cd28 802 rval = qla2x00_enable_fce_trace(vha, tc_dma, FCE_NUM_BUFFERS,
df613b96
AV		 803 ha->fce_mb, &ha->fce_bufs);
804 if (rval) {
805 qla_printk(KERN_WARNING, ha, "Unable to initialize "
806 "FCE (%d).\n", rval);
807 dma_free_coherent(&ha->pdev->dev, FCE_SIZE, tc,
808 tc_dma);
809 ha->flags.fce_enabled = 0;
17d98630 810 goto try_eft;
df613b96
AV		 811 }
812
813 qla_printk(KERN_INFO, ha, "Allocated (%d KB) for FCE...\n",
814 FCE_SIZE / 1024);
815
7d9dade3 816 fce_size = sizeof(struct qla2xxx_fce_chain) + FCE_SIZE;
df613b96
AV		 817 ha->flags.fce_enabled = 1;
818 ha->fce_dma = tc_dma;
819 ha->fce = tc;
436a7b11
AV		 820try_eft:
821 /* Allocate memory for Extended Trace Buffer. */
822 tc = dma_alloc_coherent(&ha->pdev->dev, EFT_SIZE, &tc_dma,
823 GFP_KERNEL);
824 if (!tc) {
825 qla_printk(KERN_WARNING, ha, "Unable to allocate "
826 "(%d KB) for EFT.\n", EFT_SIZE / 1024);
827 goto cont_alloc;
828 }
829
830 memset(tc, 0, EFT_SIZE);
e315cd28 831 rval = qla2x00_enable_eft_trace(vha, tc_dma, EFT_NUM_BUFFERS);
436a7b11
AV		 832 if (rval) {
833 qla_printk(KERN_WARNING, ha, "Unable to initialize "
834 "EFT (%d).\n", rval);
835 dma_free_coherent(&ha->pdev->dev, EFT_SIZE, tc,
836 tc_dma);
837 goto cont_alloc;
838 }
839
840 qla_printk(KERN_INFO, ha, "Allocated (%d KB) for EFT...\n",
841 EFT_SIZE / 1024);
842
843 eft_size = EFT_SIZE;
844 ha->eft_dma = tc_dma;
845 ha->eft = tc;
d4e3e04d 846 }
a7a167bf 847cont_alloc:
73208dfd
AC		 848 req_q_size = req->length * sizeof(request_t);
849 rsp_q_size = rsp->length * sizeof(response_t);
a7a167bf
AV		 850
851 dump_size = offsetof(struct qla2xxx_fw_dump, isp);
2afa19a9 852 dump_size += fixed_size + mem_size + req_q_size + rsp_q_size + eft_size;
bb99de67
AV		 853 ha->chain_offset = dump_size;
854 dump_size += mq_size + fce_size;
d4e3e04d
AV		 855
856 ha->fw_dump = vmalloc(dump_size);
a7a167bf 857 if (!ha->fw_dump) {
0107109e 858 qla_printk(KERN_WARNING, ha, "Unable to allocate (%d KB) for "
d4e3e04d 859 "firmware dump!!!\n", dump_size / 1024);
a7a167bf
AV		 860
861 if (ha->eft) {
862 dma_free_coherent(&ha->pdev->dev, eft_size, ha->eft,
863 ha->eft_dma);
864 ha->eft = NULL;
865 ha->eft_dma = 0;
866 }
867 return;
868 }
a7a167bf
AV		 869 qla_printk(KERN_INFO, ha, "Allocated (%d KB) for firmware dump...\n",
870 dump_size / 1024);
871
872 ha->fw_dump_len = dump_size;
873 ha->fw_dump->signature[0] = 'Q';
874 ha->fw_dump->signature[1] = 'L';
875 ha->fw_dump->signature[2] = 'G';
876 ha->fw_dump->signature[3] = 'C';
877 ha->fw_dump->version = __constant_htonl(1);
878
879 ha->fw_dump->fixed_size = htonl(fixed_size);
880 ha->fw_dump->mem_size = htonl(mem_size);
881 ha->fw_dump->req_q_size = htonl(req_q_size);
882 ha->fw_dump->rsp_q_size = htonl(rsp_q_size);
883
884 ha->fw_dump->eft_size = htonl(eft_size);
885 ha->fw_dump->eft_addr_l = htonl(LSD(ha->eft_dma));
886 ha->fw_dump->eft_addr_h = htonl(MSD(ha->eft_dma));
887
888 ha->fw_dump->header_size =
889 htonl(offsetof(struct qla2xxx_fw_dump, isp));
0107109e
AV		 890}
891
1da177e4
LT		 892/**
893 * qla2x00_setup_chip() - Load and start RISC firmware.
894 * @ha: HA context
895 *
896 * Returns 0 on success.
897 */
898static int
e315cd28 899qla2x00_setup_chip(scsi_qla_host_t *vha)
1da177e4 900{
0107109e
AV		 901 int rval;
902 uint32_t srisc_address = 0;
e315cd28 903 struct qla_hw_data *ha = vha->hw;
3db0652e
AV		 904 struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
905 unsigned long flags;
dda772e8 906 uint16_t fw_major_version;
3db0652e
AV		 907
908 if (!IS_FWI2_CAPABLE(ha) && !IS_QLA2100(ha) && !IS_QLA2200(ha)) {
909 /* Disable SRAM, Instruction RAM and GP RAM parity. */
910 spin_lock_irqsave(&ha->hardware_lock, flags);
911 WRT_REG_WORD(&reg->hccr, (HCCR_ENABLE_PARITY + 0x0));
912 RD_REG_WORD(&reg->hccr);
913 spin_unlock_irqrestore(&ha->hardware_lock, flags);
914 }
1da177e4
LT		 915
916 /* Load firmware sequences */
e315cd28 917 rval = ha->isp_ops->load_risc(vha, &srisc_address);
0107109e 918 if (rval == QLA_SUCCESS) {
1da177e4 919 DEBUG(printk("scsi(%ld): Verifying Checksum of loaded RISC "
e315cd28 920 "code.\n", vha->host_no));
1da177e4 921
e315cd28 922 rval = qla2x00_verify_checksum(vha, srisc_address);
1da177e4
LT		 923 if (rval == QLA_SUCCESS) {
924 /* Start firmware execution. */
925 DEBUG(printk("scsi(%ld): Checksum OK, start "
e315cd28 926 "firmware.\n", vha->host_no));
1da177e4 927
e315cd28 928 rval = qla2x00_execute_fw(vha, srisc_address);
1da177e4 929 /* Retrieve firmware information. */
dda772e8
AV		 930 if (rval == QLA_SUCCESS) {
931 fw_major_version = ha->fw_major_version;
e315cd28 932 qla2x00_get_fw_version(vha,
1da177e4
LT		 933 &ha->fw_major_version,
934 &ha->fw_minor_version,
935 &ha->fw_subminor_version,
3a03eb79 936 &ha->fw_attributes, &ha->fw_memory_size,
55a96158
AV		 937 ha->mpi_version, &ha->mpi_capabilities,
938 ha->phy_version);
2c3dfe3f 939 ha->flags.npiv_supported = 0;
e315cd28 940 if (IS_QLA2XXX_MIDTYPE(ha) &&
946fb891 941 (ha->fw_attributes & BIT_2)) {
2c3dfe3f 942 ha->flags.npiv_supported = 1;
4d0ea247
SJ		 943 if ((!ha->max_npiv_vports) ||
944 ((ha->max_npiv_vports + 1) %
eb66dc60 945 MIN_MULTI_ID_FABRIC))
4d0ea247 946 ha->max_npiv_vports =
eb66dc60 947 MIN_MULTI_ID_FABRIC - 1;
4d0ea247 948 }
24a08138
AV		 949 qla2x00_get_resource_cnts(vha, NULL,
950 &ha->fw_xcb_count, NULL, NULL,
951 &ha->max_npiv_vports);
d743de66
AV		 952
953 if (!fw_major_version && ql2xallocfwdump)
954 qla2x00_alloc_fw_dump(vha);
1da177e4
LT		 955 }
956 } else {
957 DEBUG2(printk(KERN_INFO
958 "scsi(%ld): ISP Firmware failed checksum.\n",
e315cd28 959 vha->host_no));
1da177e4
LT		 960 }
961 }
962
3db0652e
AV		 963 if (!IS_FWI2_CAPABLE(ha) && !IS_QLA2100(ha) && !IS_QLA2200(ha)) {
964 /* Enable proper parity. */
965 spin_lock_irqsave(&ha->hardware_lock, flags);
966 if (IS_QLA2300(ha))
967 /* SRAM parity */
968 WRT_REG_WORD(&reg->hccr, HCCR_ENABLE_PARITY + 0x1);
969 else
970 /* SRAM, Instruction RAM and GP RAM parity */
971 WRT_REG_WORD(&reg->hccr, HCCR_ENABLE_PARITY + 0x7);
972 RD_REG_WORD(&reg->hccr);
973 spin_unlock_irqrestore(&ha->hardware_lock, flags);
974 }
975
1d2874de
JC		 976 if (rval == QLA_SUCCESS && IS_FAC_REQUIRED(ha)) {
977 uint32_t size;
978
979 rval = qla81xx_fac_get_sector_size(vha, &size);
980 if (rval == QLA_SUCCESS) {
981 ha->flags.fac_supported = 1;
982 ha->fdt_block_size = size << 2;
983 } else {
984 qla_printk(KERN_ERR, ha,
985 "Unsupported FAC firmware (%d.%02d.%02d).\n",
986 ha->fw_major_version, ha->fw_minor_version,
987 ha->fw_subminor_version);
988 }
989 }
990
1da177e4
LT		 991 if (rval) {
992 DEBUG2_3(printk("scsi(%ld): Setup chip **** FAILED ****.\n",
e315cd28 993 vha->host_no));
1da177e4
LT		 994 }
995
996 return (rval);
997}
998
999/**
1000 * qla2x00_init_response_q_entries() - Initializes response queue entries.
1001 * @ha: HA context
1002 *
1003 * Beginning of request ring has initialization control block already built
1004 * by nvram config routine.
1005 *
1006 * Returns 0 on success.
1007 */
73208dfd
AC		 1008void
1009qla2x00_init_response_q_entries(struct rsp_que *rsp)
1da177e4
LT		 1010{
1011 uint16_t cnt;
1012 response_t *pkt;
1013
2afa19a9
AC		 1014 rsp->ring_ptr = rsp->ring;
1015 rsp->ring_index = 0;
1016 rsp->status_srb = NULL;
e315cd28
AC		 1017 pkt = rsp->ring_ptr;
1018 for (cnt = 0; cnt < rsp->length; cnt++) {
1da177e4
LT		 1019 pkt->signature = RESPONSE_PROCESSED;
1020 pkt++;
1021 }
1da177e4
LT		 1022}
1023
1024/**
1025 * qla2x00_update_fw_options() - Read and process firmware options.
1026 * @ha: HA context
1027 *
1028 * Returns 0 on success.
1029 */
abbd8870 1030void
e315cd28 1031qla2x00_update_fw_options(scsi_qla_host_t *vha)
1da177e4
LT		 1032{
1033 uint16_t swing, emphasis, tx_sens, rx_sens;
e315cd28 1034 struct qla_hw_data *ha = vha->hw;
1da177e4
LT		 1035
1036 memset(ha->fw_options, 0, sizeof(ha->fw_options));
e315cd28 1037 qla2x00_get_fw_options(vha, ha->fw_options);
1da177e4
LT		 1038
1039 if (IS_QLA2100(ha) || IS_QLA2200(ha))
1040 return;
1041
1042 /* Serial Link options. */
1043 DEBUG3(printk("scsi(%ld): Serial link options:\n",
e315cd28 1044 vha->host_no));
1da177e4
LT		 1045 DEBUG3(qla2x00_dump_buffer((uint8_t *)&ha->fw_seriallink_options,
1046 sizeof(ha->fw_seriallink_options)));
1047
1048 ha->fw_options[1] &= ~FO1_SET_EMPHASIS_SWING;
1049 if (ha->fw_seriallink_options[3] & BIT_2) {
1050 ha->fw_options[1] |= FO1_SET_EMPHASIS_SWING;
1051
1052 /* 1G settings */
1053 swing = ha->fw_seriallink_options[2] & (BIT_2 | BIT_1 | BIT_0);
1054 emphasis = (ha->fw_seriallink_options[2] &
1055 (BIT_4 | BIT_3)) >> 3;
1056 tx_sens = ha->fw_seriallink_options[0] &
fa2a1ce5 1057 (BIT_3 | BIT_2 | BIT_1 | BIT_0);
1da177e4
LT		 1058 rx_sens = (ha->fw_seriallink_options[0] &
1059 (BIT_7 | BIT_6 | BIT_5 | BIT_4)) >> 4;
1060 ha->fw_options[10] = (emphasis << 14) | (swing << 8);
1061 if (IS_QLA2300(ha) || IS_QLA2312(ha) || IS_QLA6312(ha)) {
1062 if (rx_sens == 0x0)
1063 rx_sens = 0x3;
1064 ha->fw_options[10] |= (tx_sens << 4) | rx_sens;
1065 } else if (IS_QLA2322(ha) || IS_QLA6322(ha))
1066 ha->fw_options[10] |= BIT_5 |
1067 ((rx_sens & (BIT_1 | BIT_0)) << 2) |
1068 (tx_sens & (BIT_1 | BIT_0));
1069
1070 /* 2G settings */
1071 swing = (ha->fw_seriallink_options[2] &
1072 (BIT_7 | BIT_6 | BIT_5)) >> 5;
1073 emphasis = ha->fw_seriallink_options[3] & (BIT_1 | BIT_0);
1074 tx_sens = ha->fw_seriallink_options[1] &
fa2a1ce5 1075 (BIT_3 | BIT_2 | BIT_1 | BIT_0);
1da177e4
LT		 1076 rx_sens = (ha->fw_seriallink_options[1] &
1077 (BIT_7 | BIT_6 | BIT_5 | BIT_4)) >> 4;
1078 ha->fw_options[11] = (emphasis << 14) | (swing << 8);
1079 if (IS_QLA2300(ha) || IS_QLA2312(ha) || IS_QLA6312(ha)) {
1080 if (rx_sens == 0x0)
1081 rx_sens = 0x3;
1082 ha->fw_options[11] |= (tx_sens << 4) | rx_sens;
1083 } else if (IS_QLA2322(ha) || IS_QLA6322(ha))
1084 ha->fw_options[11] |= BIT_5 |
1085 ((rx_sens & (BIT_1 | BIT_0)) << 2) |
1086 (tx_sens & (BIT_1 | BIT_0));
1087 }
1088
1089 /* FCP2 options. */
1090 /* Return command IOCBs without waiting for an ABTS to complete. */
1091 ha->fw_options[3] |= BIT_13;
1092
1093 /* LED scheme. */
1094 if (ha->flags.enable_led_scheme)
1095 ha->fw_options[2] |= BIT_12;
1096
48c02fde 1097 /* Detect ISP6312. */
1098 if (IS_QLA6312(ha))
1099 ha->fw_options[2] |= BIT_13;
1100
1da177e4 1101 /* Update firmware options. */
e315cd28 1102 qla2x00_set_fw_options(vha, ha->fw_options);
1da177e4
LT		 1103}
1104
0107109e 1105void
e315cd28 1106qla24xx_update_fw_options(scsi_qla_host_t *vha)
0107109e
AV		 1107{
1108 int rval;
e315cd28 1109 struct qla_hw_data *ha = vha->hw;
0107109e
AV		 1110
1111 /* Update Serial Link options. */
f94097ed 1112 if ((le16_to_cpu(ha->fw_seriallink_options24[0]) & BIT_0) == 0)
0107109e
AV		 1113 return;
1114
e315cd28 1115 rval = qla2x00_set_serdes_params(vha,
f94097ed 1116 le16_to_cpu(ha->fw_seriallink_options24[1]),
1117 le16_to_cpu(ha->fw_seriallink_options24[2]),
1118 le16_to_cpu(ha->fw_seriallink_options24[3]));
0107109e
AV		 1119 if (rval != QLA_SUCCESS) {
1120 qla_printk(KERN_WARNING, ha,
1121 "Unable to update Serial Link options (%x).\n", rval);
1122 }
1123}
1124
abbd8870 1125void
e315cd28 1126qla2x00_config_rings(struct scsi_qla_host *vha)
abbd8870 1127{
e315cd28 1128 struct qla_hw_data *ha = vha->hw;
3d71644c 1129 struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
73208dfd
AC		 1130 struct req_que *req = ha->req_q_map[0];
1131 struct rsp_que *rsp = ha->rsp_q_map[0];
abbd8870
AV		 1132
1133 /* Setup ring parameters in initialization control block. */
1134 ha->init_cb->request_q_outpointer = __constant_cpu_to_le16(0);
1135 ha->init_cb->response_q_inpointer = __constant_cpu_to_le16(0);
e315cd28
AC		 1136 ha->init_cb->request_q_length = cpu_to_le16(req->length);
1137 ha->init_cb->response_q_length = cpu_to_le16(rsp->length);
1138 ha->init_cb->request_q_address[0] = cpu_to_le32(LSD(req->dma));
1139 ha->init_cb->request_q_address[1] = cpu_to_le32(MSD(req->dma));
1140 ha->init_cb->response_q_address[0] = cpu_to_le32(LSD(rsp->dma));
1141 ha->init_cb->response_q_address[1] = cpu_to_le32(MSD(rsp->dma));
abbd8870
AV		 1142
1143 WRT_REG_WORD(ISP_REQ_Q_IN(ha, reg), 0);
1144 WRT_REG_WORD(ISP_REQ_Q_OUT(ha, reg), 0);
1145 WRT_REG_WORD(ISP_RSP_Q_IN(ha, reg), 0);
1146 WRT_REG_WORD(ISP_RSP_Q_OUT(ha, reg), 0);
1147 RD_REG_WORD(ISP_RSP_Q_OUT(ha, reg)); /* PCI Posting. */
1148}
1149
0107109e 1150void
e315cd28 1151qla24xx_config_rings(struct scsi_qla_host *vha)
0107109e 1152{
e315cd28 1153 struct qla_hw_data *ha = vha->hw;
73208dfd
AC		 1154 device_reg_t __iomem *reg = ISP_QUE_REG(ha, 0);
1155 struct device_reg_2xxx __iomem *ioreg = &ha->iobase->isp;
1156 struct qla_msix_entry *msix;
0107109e 1157 struct init_cb_24xx *icb;
73208dfd
AC		 1158 uint16_t rid = 0;
1159 struct req_que *req = ha->req_q_map[0];
1160 struct rsp_que *rsp = ha->rsp_q_map[0];
0107109e 1161
73208dfd 1162/* Setup ring parameters in initialization control block. */
0107109e
AV		 1163 icb = (struct init_cb_24xx *)ha->init_cb;
1164 icb->request_q_outpointer = __constant_cpu_to_le16(0);
1165 icb->response_q_inpointer = __constant_cpu_to_le16(0);
e315cd28
AC		 1166 icb->request_q_length = cpu_to_le16(req->length);
1167 icb->response_q_length = cpu_to_le16(rsp->length);
1168 icb->request_q_address[0] = cpu_to_le32(LSD(req->dma));
1169 icb->request_q_address[1] = cpu_to_le32(MSD(req->dma));
1170 icb->response_q_address[0] = cpu_to_le32(LSD(rsp->dma));
1171 icb->response_q_address[1] = cpu_to_le32(MSD(rsp->dma));
0107109e 1172
73208dfd
AC		 1173 if (ha->mqenable) {
1174 icb->qos = __constant_cpu_to_le16(QLA_DEFAULT_QUE_QOS);
1175 icb->rid = __constant_cpu_to_le16(rid);
1176 if (ha->flags.msix_enabled) {
1177 msix = &ha->msix_entries[1];
1178 DEBUG2_17(printk(KERN_INFO
2afa19a9 1179 "Registering vector 0x%x for base que\n", msix->entry));
73208dfd
AC		 1180 icb->msix = cpu_to_le16(msix->entry);
1181 }
1182 /* Use alternate PCI bus number */
1183 if (MSB(rid))
1184 icb->firmware_options_2 |=
1185 __constant_cpu_to_le32(BIT_19);
1186 /* Use alternate PCI devfn */
1187 if (LSB(rid))
1188 icb->firmware_options_2 |=
1189 __constant_cpu_to_le32(BIT_18);
1190
618a7523 1191 icb->firmware_options_2 &= __constant_cpu_to_le32(~BIT_22);
73208dfd 1192 icb->firmware_options_2 |= __constant_cpu_to_le32(BIT_23);
73208dfd
AC		 1193
1194 WRT_REG_DWORD(&reg->isp25mq.req_q_in, 0);
1195 WRT_REG_DWORD(&reg->isp25mq.req_q_out, 0);
1196 WRT_REG_DWORD(&reg->isp25mq.rsp_q_in, 0);
1197 WRT_REG_DWORD(&reg->isp25mq.rsp_q_out, 0);
1198 } else {
1199 WRT_REG_DWORD(&reg->isp24.req_q_in, 0);
1200 WRT_REG_DWORD(&reg->isp24.req_q_out, 0);
1201 WRT_REG_DWORD(&reg->isp24.rsp_q_in, 0);
1202 WRT_REG_DWORD(&reg->isp24.rsp_q_out, 0);
1203 }
1204 /* PCI posting */
1205 RD_REG_DWORD(&ioreg->hccr);
0107109e
AV		 1206}
1207
1da177e4
LT		 1208/**
1209 * qla2x00_init_rings() - Initializes firmware.
1210 * @ha: HA context
1211 *
1212 * Beginning of request ring has initialization control block already built
1213 * by nvram config routine.
1214 *
1215 * Returns 0 on success.
1216 */
1217static int
e315cd28 1218qla2x00_init_rings(scsi_qla_host_t *vha)
1da177e4
LT		 1219{
1220 int rval;
1221 unsigned long flags = 0;
29bdccbe 1222 int cnt, que;
e315cd28 1223 struct qla_hw_data *ha = vha->hw;
29bdccbe
AC		 1224 struct req_que *req;
1225 struct rsp_que *rsp;
1226 struct scsi_qla_host *vp;
2c3dfe3f
SJ		 1227 struct mid_init_cb_24xx *mid_init_cb =
1228 (struct mid_init_cb_24xx *) ha->init_cb;
1da177e4
LT		 1229
1230 spin_lock_irqsave(&ha->hardware_lock, flags);
1231
1232 /* Clear outstanding commands array. */
2afa19a9 1233 for (que = 0; que < ha->max_req_queues; que++) {
29bdccbe
AC		 1234 req = ha->req_q_map[que];
1235 if (!req)
1236 continue;
2afa19a9 1237 for (cnt = 1; cnt < MAX_OUTSTANDING_COMMANDS; cnt++)
29bdccbe 1238 req->outstanding_cmds[cnt] = NULL;
1da177e4 1239
2afa19a9 1240 req->current_outstanding_cmd = 1;
1da177e4 1241
29bdccbe
AC		 1242 /* Initialize firmware. */
1243 req->ring_ptr = req->ring;
1244 req->ring_index = 0;
1245 req->cnt = req->length;
1246 }
1da177e4 1247
2afa19a9 1248 for (que = 0; que < ha->max_rsp_queues; que++) {
29bdccbe
AC		 1249 rsp = ha->rsp_q_map[que];
1250 if (!rsp)
1251 continue;
29bdccbe
AC		 1252 /* Initialize response queue entries */
1253 qla2x00_init_response_q_entries(rsp);
1254 }
1da177e4 1255
29bdccbe
AC		 1256 /* Clear RSCN queue. */
1257 list_for_each_entry(vp, &ha->vp_list, list) {
1258 vp->rscn_in_ptr = 0;
1259 vp->rscn_out_ptr = 0;
1260 }
e315cd28 1261 ha->isp_ops->config_rings(vha);
1da177e4
LT		 1262
1263 spin_unlock_irqrestore(&ha->hardware_lock, flags);
1264
1265 /* Update any ISP specific firmware options before initialization. */
e315cd28 1266 ha->isp_ops->update_fw_options(vha);
1da177e4 1267
e315cd28 1268 DEBUG(printk("scsi(%ld): Issue init firmware.\n", vha->host_no));
2c3dfe3f 1269
605aa2bc
LC		 1270 if (ha->flags.npiv_supported) {
1271 if (ha->operating_mode == LOOP)
1272 ha->max_npiv_vports = MIN_MULTI_ID_FABRIC - 1;
c48339de 1273 mid_init_cb->count = cpu_to_le16(ha->max_npiv_vports);
605aa2bc
LC		 1274 }
1275
24a08138
AV		 1276 if (IS_FWI2_CAPABLE(ha)) {
1277 mid_init_cb->options = __constant_cpu_to_le16(BIT_1);
1278 mid_init_cb->init_cb.execution_throttle =
1279 cpu_to_le16(ha->fw_xcb_count);
1280 }
2c3dfe3f 1281
e315cd28 1282 rval = qla2x00_init_firmware(vha, ha->init_cb_size);
1da177e4
LT		 1283 if (rval) {
1284 DEBUG2_3(printk("scsi(%ld): Init firmware **** FAILED ****.\n",
e315cd28 1285 vha->host_no));
1da177e4
LT		 1286 } else {
1287 DEBUG3(printk("scsi(%ld): Init firmware -- success.\n",
e315cd28 1288 vha->host_no));
1da177e4
LT		 1289 }
1290
1291 return (rval);
1292}
1293
1294/**
1295 * qla2x00_fw_ready() - Waits for firmware ready.
1296 * @ha: HA context
1297 *
1298 * Returns 0 on success.
1299 */
1300static int
e315cd28 1301qla2x00_fw_ready(scsi_qla_host_t *vha)
1da177e4
LT		 1302{
1303 int rval;
4d4df193 1304 unsigned long wtime, mtime, cs84xx_time;
1da177e4
LT		 1305 uint16_t min_wait; /* Minimum wait time if loop is down */
1306 uint16_t wait_time; /* Wait time if loop is coming ready */
4d4df193 1307 uint16_t state[3];
e315cd28 1308 struct qla_hw_data *ha = vha->hw;
1da177e4
LT		 1309
1310 rval = QLA_SUCCESS;
1311
1312 /* 20 seconds for loop down. */
fa2a1ce5 1313 min_wait = 20;
1da177e4
LT		 1314
1315 /*
1316 * Firmware should take at most one RATOV to login, plus 5 seconds for
1317 * our own processing.
1318 */
1319 if ((wait_time = (ha->retry_count*ha->login_timeout) + 5) < min_wait) {
1320 wait_time = min_wait;
1321 }
1322
1323 /* Min wait time if loop down */
1324 mtime = jiffies + (min_wait * HZ);
1325
1326 /* wait time before firmware ready */
1327 wtime = jiffies + (wait_time * HZ);
1328
1329 /* Wait for ISP to finish LIP */
e315cd28 1330 if (!vha->flags.init_done)
1da177e4
LT		 1331 qla_printk(KERN_INFO, ha, "Waiting for LIP to complete...\n");
1332
1333 DEBUG3(printk("scsi(%ld): Waiting for LIP to complete...\n",
e315cd28 1334 vha->host_no));
1da177e4
LT		 1335
1336 do {
e315cd28 1337 rval = qla2x00_get_firmware_state(vha, state);
1da177e4 1338 if (rval == QLA_SUCCESS) {
4d4df193 1339 if (state[0] < FSTATE_LOSS_OF_SYNC) {
e315cd28 1340 vha->device_flags &= ~DFLG_NO_CABLE;
1da177e4 1341 }
4d4df193
HK		 1342 if (IS_QLA84XX(ha) && state[0] != FSTATE_READY) {
1343 DEBUG16(printk("scsi(%ld): fw_state=%x "
e315cd28 1344 "84xx=%x.\n", vha->host_no, state[0],
4d4df193
HK		 1345 state[2]));
1346 if ((state[2] & FSTATE_LOGGED_IN) &&
1347 (state[2] & FSTATE_WAITING_FOR_VERIFY)) {
1348 DEBUG16(printk("scsi(%ld): Sending "
e315cd28 1349 "verify iocb.\n", vha->host_no));
4d4df193
HK		 1350
1351 cs84xx_time = jiffies;
e315cd28 1352 rval = qla84xx_init_chip(vha);
4d4df193
HK		 1353 if (rval != QLA_SUCCESS)
1354 break;
1355
1356 /* Add time taken to initialize. */
1357 cs84xx_time = jiffies - cs84xx_time;
1358 wtime += cs84xx_time;
1359 mtime += cs84xx_time;
1360 DEBUG16(printk("scsi(%ld): Increasing "
1361 "wait time by %ld. New time %ld\n",
e315cd28 1362 vha->host_no, cs84xx_time, wtime));
4d4df193
HK		 1363 }
1364 } else if (state[0] == FSTATE_READY) {
1da177e4 1365 DEBUG(printk("scsi(%ld): F/W Ready - OK \n",
e315cd28 1366 vha->host_no));
1da177e4 1367
e315cd28 1368 qla2x00_get_retry_cnt(vha, &ha->retry_count,
1da177e4
LT		 1369 &ha->login_timeout, &ha->r_a_tov);
1370
1371 rval = QLA_SUCCESS;
1372 break;
1373 }
1374
1375 rval = QLA_FUNCTION_FAILED;
1376
e315cd28 1377 if (atomic_read(&vha->loop_down_timer) &&
4d4df193 1378 state[0] != FSTATE_READY) {
1da177e4 1379 /* Loop down. Timeout on min_wait for states
fa2a1ce5
AV		 1380 * other than Wait for Login.
1381 */
1da177e4
LT		 1382 if (time_after_eq(jiffies, mtime)) {
1383 qla_printk(KERN_INFO, ha,
1384 "Cable is unplugged...\n");
1385
e315cd28 1386 vha->device_flags |= DFLG_NO_CABLE;
1da177e4
LT		 1387 break;
1388 }
1389 }
1390 } else {
1391 /* Mailbox cmd failed. Timeout on min_wait. */
1392 if (time_after_eq(jiffies, mtime))
1393 break;
1394 }
1395
1396 if (time_after_eq(jiffies, wtime))
1397 break;
1398
1399 /* Delay for a while */
1400 msleep(500);
1401
1402 DEBUG3(printk("scsi(%ld): fw_state=%x curr time=%lx.\n",
e315cd28 1403 vha->host_no, state[0], jiffies));
1da177e4
LT		 1404 } while (1);
1405
1406 DEBUG(printk("scsi(%ld): fw_state=%x curr time=%lx.\n",
e315cd28 1407 vha->host_no, state[0], jiffies));
1da177e4
LT		 1408
1409 if (rval) {
1410 DEBUG2_3(printk("scsi(%ld): Firmware ready **** FAILED ****.\n",
e315cd28 1411 vha->host_no));
1da177e4
LT		 1412 }
1413
1414 return (rval);
1415}
1416
1417/*
1418* qla2x00_configure_hba
1419* Setup adapter context.
1420*
1421* Input:
1422* ha = adapter state pointer.
1423*
1424* Returns:
1425* 0 = success
1426*
1427* Context:
1428* Kernel context.
1429*/
1430static int
e315cd28 1431qla2x00_configure_hba(scsi_qla_host_t *vha)
1da177e4
LT		 1432{
1433 int rval;
1434 uint16_t loop_id;
1435 uint16_t topo;
2c3dfe3f 1436 uint16_t sw_cap;
1da177e4
LT		 1437 uint8_t al_pa;
1438 uint8_t area;
1439 uint8_t domain;
1440 char connect_type[22];
e315cd28 1441 struct qla_hw_data *ha = vha->hw;
1da177e4
LT		 1442
1443 /* Get host addresses. */
e315cd28 1444 rval = qla2x00_get_adapter_id(vha,
2c3dfe3f 1445 &loop_id, &al_pa, &area, &domain, &topo, &sw_cap);
1da177e4 1446 if (rval != QLA_SUCCESS) {
e315cd28 1447 if (LOOP_TRANSITION(vha) || atomic_read(&ha->loop_down_timer) ||
33135aa2
RA		 1448 (rval == QLA_COMMAND_ERROR && loop_id == 0x7)) {
1449 DEBUG2(printk("%s(%ld) Loop is in a transition state\n",
e315cd28 1450 __func__, vha->host_no));
33135aa2
RA		 1451 } else {
1452 qla_printk(KERN_WARNING, ha,
1453 "ERROR -- Unable to get host loop ID.\n");
e315cd28 1454 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
33135aa2 1455 }
1da177e4
LT		 1456 return (rval);
1457 }
1458
1459 if (topo == 4) {
1460 qla_printk(KERN_INFO, ha,
1461 "Cannot get topology - retrying.\n");
1462 return (QLA_FUNCTION_FAILED);
1463 }
1464
e315cd28 1465 vha->loop_id = loop_id;
1da177e4
LT		 1466
1467 /* initialize */
1468 ha->min_external_loopid = SNS_FIRST_LOOP_ID;
1469 ha->operating_mode = LOOP;
2c3dfe3f 1470 ha->switch_cap = 0;
1da177e4
LT		 1471
1472 switch (topo) {
1473 case 0:
1474 DEBUG3(printk("scsi(%ld): HBA in NL topology.\n",
e315cd28 1475 vha->host_no));
1da177e4
LT		 1476 ha->current_topology = ISP_CFG_NL;
1477 strcpy(connect_type, "(Loop)");
1478 break;
1479
1480 case 1:
1481 DEBUG3(printk("scsi(%ld): HBA in FL topology.\n",
e315cd28 1482 vha->host_no));
2c3dfe3f 1483 ha->switch_cap = sw_cap;
1da177e4
LT		 1484 ha->current_topology = ISP_CFG_FL;
1485 strcpy(connect_type, "(FL_Port)");
1486 break;
1487
1488 case 2:
1489 DEBUG3(printk("scsi(%ld): HBA in N P2P topology.\n",
e315cd28 1490 vha->host_no));
1da177e4
LT		 1491 ha->operating_mode = P2P;
1492 ha->current_topology = ISP_CFG_N;
1493 strcpy(connect_type, "(N_Port-to-N_Port)");
1494 break;
1495
1496 case 3:
1497 DEBUG3(printk("scsi(%ld): HBA in F P2P topology.\n",
e315cd28 1498 vha->host_no));
2c3dfe3f 1499 ha->switch_cap = sw_cap;
1da177e4
LT		 1500 ha->operating_mode = P2P;
1501 ha->current_topology = ISP_CFG_F;
1502 strcpy(connect_type, "(F_Port)");
1503 break;
1504
1505 default:
1506 DEBUG3(printk("scsi(%ld): HBA in unknown topology %x. "
1507 "Using NL.\n",
e315cd28 1508 vha->host_no, topo));
1da177e4
LT		 1509 ha->current_topology = ISP_CFG_NL;
1510 strcpy(connect_type, "(Loop)");
1511 break;
1512 }
1513
1514 /* Save Host port and loop ID. */
1515 /* byte order - Big Endian */
e315cd28
AC		 1516 vha->d_id.b.domain = domain;
1517 vha->d_id.b.area = area;
1518 vha->d_id.b.al_pa = al_pa;
1da177e4 1519
e315cd28 1520 if (!vha->flags.init_done)
1da177e4
LT		 1521 qla_printk(KERN_INFO, ha,
1522 "Topology - %s, Host Loop address 0x%x\n",
e315cd28 1523 connect_type, vha->loop_id);
1da177e4
LT		 1524
1525 if (rval) {
e315cd28 1526 DEBUG2_3(printk("scsi(%ld): FAILED.\n", vha->host_no));
1da177e4 1527 } else {
e315cd28 1528 DEBUG3(printk("scsi(%ld): exiting normally.\n", vha->host_no));
1da177e4
LT		 1529 }
1530
1531 return(rval);
1532}
1533
9bb9fcf2 1534static inline void
e315cd28
AC		 1535qla2x00_set_model_info(scsi_qla_host_t *vha, uint8_t *model, size_t len,
1536 char *def)
9bb9fcf2
AV		 1537{
1538 char *st, *en;
1539 uint16_t index;
e315cd28 1540 struct qla_hw_data *ha = vha->hw;
7d0dba17 1541 int use_tbl = !IS_QLA25XX(ha) && IS_QLA81XX(ha);
9bb9fcf2
AV		 1542
1543 if (memcmp(model, BINZERO, len) != 0) {
1544 strncpy(ha->model_number, model, len);
1545 st = en = ha->model_number;
1546 en += len - 1;
1547 while (en > st) {
1548 if (*en != 0x20 && *en != 0x00)
1549 break;
1550 *en-- = '\0';
1551 }
1552
1553 index = (ha->pdev->subsystem_device & 0xff);
7d0dba17
AV		 1554 if (use_tbl &&
1555 ha->pdev->subsystem_vendor == PCI_VENDOR_ID_QLOGIC &&
9bb9fcf2 1556 index < QLA_MODEL_NAMES)
1ee27146
JC		 1557 strncpy(ha->model_desc,
1558 qla2x00_model_name[index * 2 + 1],
1559 sizeof(ha->model_desc) - 1);
9bb9fcf2
AV		 1560 } else {
1561 index = (ha->pdev->subsystem_device & 0xff);
7d0dba17
AV		 1562 if (use_tbl &&
1563 ha->pdev->subsystem_vendor == PCI_VENDOR_ID_QLOGIC &&
9bb9fcf2
AV		 1564 index < QLA_MODEL_NAMES) {
1565 strcpy(ha->model_number,
1566 qla2x00_model_name[index * 2]);
1ee27146
JC		 1567 strncpy(ha->model_desc,
1568 qla2x00_model_name[index * 2 + 1],
1569 sizeof(ha->model_desc) - 1);
9bb9fcf2
AV		 1570 } else {
1571 strcpy(ha->model_number, def);
1572 }
1573 }
1ee27146 1574 if (IS_FWI2_CAPABLE(ha))
e315cd28 1575 qla2xxx_get_vpd_field(vha, "\x82", ha->model_desc,
1ee27146 1576 sizeof(ha->model_desc));
9bb9fcf2
AV		 1577}
1578
4e08df3f
DM		 1579/* On sparc systems, obtain port and node WWN from firmware
1580 * properties.
1581 */
e315cd28 1582static void qla2xxx_nvram_wwn_from_ofw(scsi_qla_host_t *vha, nvram_t *nv)
4e08df3f
DM		 1583{
1584#ifdef CONFIG_SPARC
e315cd28 1585 struct qla_hw_data *ha = vha->hw;
4e08df3f 1586 struct pci_dev *pdev = ha->pdev;
15576bc8
DM		 1587 struct device_node *dp = pci_device_to_OF_node(pdev);
1588 const u8 *val;
4e08df3f
DM		 1589 int len;
1590
1591 val = of_get_property(dp, "port-wwn", &len);
1592 if (val && len >= WWN_SIZE)
1593 memcpy(nv->port_name, val, WWN_SIZE);
1594
1595 val = of_get_property(dp, "node-wwn", &len);
1596 if (val && len >= WWN_SIZE)
1597 memcpy(nv->node_name, val, WWN_SIZE);
1598#endif
1599}
1600
1da177e4
LT		 1601/*
1602* NVRAM configuration for ISP 2xxx
1603*
1604* Input:
1605* ha = adapter block pointer.
1606*
1607* Output:
1608* initialization control block in response_ring
1609* host adapters parameters in host adapter block
1610*
1611* Returns:
1612* 0 = success.
1613*/
abbd8870 1614int
e315cd28 1615qla2x00_nvram_config(scsi_qla_host_t *vha)
1da177e4 1616{
4e08df3f 1617 int rval;
0107109e
AV		 1618 uint8_t chksum = 0;
1619 uint16_t cnt;
1620 uint8_t *dptr1, *dptr2;
e315cd28 1621 struct qla_hw_data *ha = vha->hw;
0107109e 1622 init_cb_t *icb = ha->init_cb;
281afe19
SJ		 1623 nvram_t *nv = ha->nvram;
1624 uint8_t *ptr = ha->nvram;
3d71644c 1625 struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
1da177e4 1626
4e08df3f
DM		 1627 rval = QLA_SUCCESS;
1628
1da177e4 1629 /* Determine NVRAM starting address. */
0107109e 1630 ha->nvram_size = sizeof(nvram_t);
1da177e4
LT		 1631 ha->nvram_base = 0;
1632 if (!IS_QLA2100(ha) && !IS_QLA2200(ha) && !IS_QLA2300(ha))
1633 if ((RD_REG_WORD(&reg->ctrl_status) >> 14) == 1)
1634 ha->nvram_base = 0x80;
1635
1636 /* Get NVRAM data and calculate checksum. */
e315cd28 1637 ha->isp_ops->read_nvram(vha, ptr, ha->nvram_base, ha->nvram_size);
0107109e
AV		 1638 for (cnt = 0, chksum = 0; cnt < ha->nvram_size; cnt++)
1639 chksum += *ptr++;
1da177e4 1640
e315cd28 1641 DEBUG5(printk("scsi(%ld): Contents of NVRAM\n", vha->host_no));
281afe19 1642 DEBUG5(qla2x00_dump_buffer((uint8_t *)nv, ha->nvram_size));
1da177e4
LT		 1643
1644 /* Bad NVRAM data, set defaults parameters. */
1645 if (chksum || nv->id[0] != 'I' || nv->id[1] != 'S' ||
1646 nv->id[2] != 'P' || nv->id[3] != ' ' || nv->nvram_version < 1) {
1647 /* Reset NVRAM data. */
1648 qla_printk(KERN_WARNING, ha, "Inconsistent NVRAM detected: "
1649 "checksum=0x%x id=%c version=0x%x.\n", chksum, nv->id[0],
1650 nv->nvram_version);
4e08df3f
DM		 1651 qla_printk(KERN_WARNING, ha, "Falling back to functioning (yet "
1652 "invalid -- WWPN) defaults.\n");
1653
1654 /*
1655 * Set default initialization control block.
1656 */
1657 memset(nv, 0, ha->nvram_size);
1658 nv->parameter_block_version = ICB_VERSION;
1659
1660 if (IS_QLA23XX(ha)) {
1661 nv->firmware_options[0] = BIT_2 | BIT_1;
1662 nv->firmware_options[1] = BIT_7 | BIT_5;
1663 nv->add_firmware_options[0] = BIT_5;
1664 nv->add_firmware_options[1] = BIT_5 | BIT_4;
1665 nv->frame_payload_size = __constant_cpu_to_le16(2048);
1666 nv->special_options[1] = BIT_7;
1667 } else if (IS_QLA2200(ha)) {
1668 nv->firmware_options[0] = BIT_2 | BIT_1;
1669 nv->firmware_options[1] = BIT_7 | BIT_5;
1670 nv->add_firmware_options[0] = BIT_5;
1671 nv->add_firmware_options[1] = BIT_5 | BIT_4;
1672 nv->frame_payload_size = __constant_cpu_to_le16(1024);
1673 } else if (IS_QLA2100(ha)) {
1674 nv->firmware_options[0] = BIT_3 | BIT_1;
1675 nv->firmware_options[1] = BIT_5;
1676 nv->frame_payload_size = __constant_cpu_to_le16(1024);
1677 }
1678
1679 nv->max_iocb_allocation = __constant_cpu_to_le16(256);
1680 nv->execution_throttle = __constant_cpu_to_le16(16);
1681 nv->retry_count = 8;
1682 nv->retry_delay = 1;
1683
1684 nv->port_name[0] = 33;
1685 nv->port_name[3] = 224;
1686 nv->port_name[4] = 139;
1687
e315cd28 1688 qla2xxx_nvram_wwn_from_ofw(vha, nv);
4e08df3f
DM		 1689
1690 nv->login_timeout = 4;
1691
1692 /*
1693 * Set default host adapter parameters
1694 */
1695 nv->host_p[1] = BIT_2;
1696 nv->reset_delay = 5;
1697 nv->port_down_retry_count = 8;
1698 nv->max_luns_per_target = __constant_cpu_to_le16(8);
1699 nv->link_down_timeout = 60;
1700
1701 rval = 1;
1da177e4
LT		 1702 }
1703
1704#if defined(CONFIG_IA64_GENERIC) || defined(CONFIG_IA64_SGI_SN2)
1705 /*
1706 * The SN2 does not provide BIOS emulation which means you can't change
1707 * potentially bogus BIOS settings. Force the use of default settings
1708 * for link rate and frame size. Hope that the rest of the settings
1709 * are valid.
1710 */
1711 if (ia64_platform_is("sn2")) {
1712 nv->frame_payload_size = __constant_cpu_to_le16(2048);
1713 if (IS_QLA23XX(ha))
1714 nv->special_options[1] = BIT_7;
1715 }
1716#endif
1717
1718 /* Reset Initialization control block */
0107109e 1719 memset(icb, 0, ha->init_cb_size);
1da177e4
LT		 1720
1721 /*
1722 * Setup driver NVRAM options.
1723 */
1724 nv->firmware_options[0] |= (BIT_6 | BIT_1);
1725 nv->firmware_options[0] &= ~(BIT_5 | BIT_4);
1726 nv->firmware_options[1] |= (BIT_5 | BIT_0);
1727 nv->firmware_options[1] &= ~BIT_4;
1728
1729 if (IS_QLA23XX(ha)) {
1730 nv->firmware_options[0] |= BIT_2;
1731 nv->firmware_options[0] &= ~BIT_3;
0107109e 1732 nv->add_firmware_options[1] |= BIT_5 | BIT_4;
1da177e4
LT		 1733
1734 if (IS_QLA2300(ha)) {
1735 if (ha->fb_rev == FPM_2310) {
1736 strcpy(ha->model_number, "QLA2310");
1737 } else {
1738 strcpy(ha->model_number, "QLA2300");
1739 }
1740 } else {
e315cd28 1741 qla2x00_set_model_info(vha, nv->model_number,
9bb9fcf2 1742 sizeof(nv->model_number), "QLA23xx");
1da177e4
LT		 1743 }
1744 } else if (IS_QLA2200(ha)) {
1745 nv->firmware_options[0] |= BIT_2;
1746 /*
1747 * 'Point-to-point preferred, else loop' is not a safe
1748 * connection mode setting.
1749 */
1750 if ((nv->add_firmware_options[0] & (BIT_6 | BIT_5 | BIT_4)) ==
1751 (BIT_5 | BIT_4)) {
1752 /* Force 'loop preferred, else point-to-point'. */
1753 nv->add_firmware_options[0] &= ~(BIT_6 | BIT_5 | BIT_4);
1754 nv->add_firmware_options[0] |= BIT_5;
1755 }
1756 strcpy(ha->model_number, "QLA22xx");
1757 } else /*if (IS_QLA2100(ha))*/ {
1758 strcpy(ha->model_number, "QLA2100");
1759 }
1760
1761 /*
1762 * Copy over NVRAM RISC parameter block to initialization control block.
1763 */
1764 dptr1 = (uint8_t *)icb;
1765 dptr2 = (uint8_t *)&nv->parameter_block_version;
1766 cnt = (uint8_t *)&icb->request_q_outpointer - (uint8_t *)&icb->version;
1767 while (cnt--)
1768 *dptr1++ = *dptr2++;
1769
1770 /* Copy 2nd half. */
1771 dptr1 = (uint8_t *)icb->add_firmware_options;
1772 cnt = (uint8_t *)icb->reserved_3 - (uint8_t *)icb->add_firmware_options;
1773 while (cnt--)
1774 *dptr1++ = *dptr2++;
1775
5341e868
AV		 1776 /* Use alternate WWN? */
1777 if (nv->host_p[1] & BIT_7) {
1778 memcpy(icb->node_name, nv->alternate_node_name, WWN_SIZE);
1779 memcpy(icb->port_name, nv->alternate_port_name, WWN_SIZE);
1780 }
1781
1da177e4
LT		 1782 /* Prepare nodename */
1783 if ((icb->firmware_options[1] & BIT_6) == 0) {
1784 /*
1785 * Firmware will apply the following mask if the nodename was
1786 * not provided.
1787 */
1788 memcpy(icb->node_name, icb->port_name, WWN_SIZE);
1789 icb->node_name[0] &= 0xF0;
1790 }
1791
1792 /*
1793 * Set host adapter parameters.
1794 */
0181944f 1795 if (nv->host_p[0] & BIT_7)
11010fec 1796 ql2xextended_error_logging = 1;
1da177e4
LT		 1797 ha->flags.disable_risc_code_load = ((nv->host_p[0] & BIT_4) ? 1 : 0);
1798 /* Always load RISC code on non ISP2[12]00 chips. */
1799 if (!IS_QLA2100(ha) && !IS_QLA2200(ha))
1800 ha->flags.disable_risc_code_load = 0;
1801 ha->flags.enable_lip_reset = ((nv->host_p[1] & BIT_1) ? 1 : 0);
1802 ha->flags.enable_lip_full_login = ((nv->host_p[1] & BIT_2) ? 1 : 0);
1803 ha->flags.enable_target_reset = ((nv->host_p[1] & BIT_3) ? 1 : 0);
06c22bd1 1804 ha->flags.enable_led_scheme = (nv->special_options[1] & BIT_4) ? 1 : 0;
d4c760c2 1805 ha->flags.disable_serdes = 0;
1da177e4
LT		 1806
1807 ha->operating_mode =
1808 (icb->add_firmware_options[0] & (BIT_6 | BIT_5 | BIT_4)) >> 4;
1809
1810 memcpy(ha->fw_seriallink_options, nv->seriallink_options,
1811 sizeof(ha->fw_seriallink_options));
1812
1813 /* save HBA serial number */
1814 ha->serial0 = icb->port_name[5];
1815 ha->serial1 = icb->port_name[6];
1816 ha->serial2 = icb->port_name[7];
e315cd28
AC		 1817 memcpy(vha->node_name, icb->node_name, WWN_SIZE);
1818 memcpy(vha->port_name, icb->port_name, WWN_SIZE);
1da177e4
LT		 1819
1820 icb->execution_throttle = __constant_cpu_to_le16(0xFFFF);
1821
1822 ha->retry_count = nv->retry_count;
1823
1824 /* Set minimum login_timeout to 4 seconds. */
1825 if (nv->login_timeout < ql2xlogintimeout)
1826 nv->login_timeout = ql2xlogintimeout;
1827 if (nv->login_timeout < 4)
1828 nv->login_timeout = 4;
1829 ha->login_timeout = nv->login_timeout;
1830 icb->login_timeout = nv->login_timeout;
1831
00a537b8
AV		 1832 /* Set minimum RATOV to 100 tenths of a second. */
1833 ha->r_a_tov = 100;
1da177e4 1834
1da177e4
LT		 1835 ha->loop_reset_delay = nv->reset_delay;
1836
1da177e4
LT		 1837 /* Link Down Timeout = 0:
1838 *
1839 * When Port Down timer expires we will start returning
1840 * I/O's to OS with "DID_NO_CONNECT".
1841 *
1842 * Link Down Timeout != 0:
1843 *
1844 * The driver waits for the link to come up after link down
1845 * before returning I/Os to OS with "DID_NO_CONNECT".
fa2a1ce5 1846 */
1da177e4
LT		 1847 if (nv->link_down_timeout == 0) {
1848 ha->loop_down_abort_time =
354d6b21 1849 (LOOP_DOWN_TIME - LOOP_DOWN_TIMEOUT);
1da177e4
LT		 1850 } else {
1851 ha->link_down_timeout = nv->link_down_timeout;
1852 ha->loop_down_abort_time =
1853 (LOOP_DOWN_TIME - ha->link_down_timeout);
fa2a1ce5 1854 }
1da177e4 1855
1da177e4
LT		 1856 /*
1857 * Need enough time to try and get the port back.
1858 */
1859 ha->port_down_retry_count = nv->port_down_retry_count;
1860 if (qlport_down_retry)
1861 ha->port_down_retry_count = qlport_down_retry;
1862 /* Set login_retry_count */
1863 ha->login_retry_count = nv->retry_count;
1864 if (ha->port_down_retry_count == nv->port_down_retry_count &&
1865 ha->port_down_retry_count > 3)
1866 ha->login_retry_count = ha->port_down_retry_count;
1867 else if (ha->port_down_retry_count > (int)ha->login_retry_count)
1868 ha->login_retry_count = ha->port_down_retry_count;
1869 if (ql2xloginretrycount)
1870 ha->login_retry_count = ql2xloginretrycount;
1871
1da177e4
LT		 1872 icb->lun_enables = __constant_cpu_to_le16(0);
1873 icb->command_resource_count = 0;
1874 icb->immediate_notify_resource_count = 0;
1875 icb->timeout = __constant_cpu_to_le16(0);
1876
1877 if (IS_QLA2100(ha) || IS_QLA2200(ha)) {
1878 /* Enable RIO */
1879 icb->firmware_options[0] &= ~BIT_3;
1880 icb->add_firmware_options[0] &=
1881 ~(BIT_3 | BIT_2 | BIT_1 | BIT_0);
1882 icb->add_firmware_options[0] |= BIT_2;
1883 icb->response_accumulation_timer = 3;
1884 icb->interrupt_delay_timer = 5;
1885
e315cd28 1886 vha->flags.process_response_queue = 1;
1da177e4 1887 } else {
4fdfefe5 1888 /* Enable ZIO. */
e315cd28 1889 if (!vha->flags.init_done) {
4fdfefe5
AV		 1890 ha->zio_mode = icb->add_firmware_options[0] &
1891 (BIT_3 | BIT_2 | BIT_1 | BIT_0);
1892 ha->zio_timer = icb->interrupt_delay_timer ?
1893 icb->interrupt_delay_timer: 2;
1894 }
1da177e4
LT		 1895 icb->add_firmware_options[0] &=
1896 ~(BIT_3 | BIT_2 | BIT_1 | BIT_0);
e315cd28 1897 vha->flags.process_response_queue = 0;
4fdfefe5 1898 if (ha->zio_mode != QLA_ZIO_DISABLED) {
4a59f71d 1899 ha->zio_mode = QLA_ZIO_MODE_6;
1900
4fdfefe5 1901 DEBUG2(printk("scsi(%ld): ZIO mode %d enabled; timer "
e315cd28 1902 "delay (%d us).\n", vha->host_no, ha->zio_mode,
4fdfefe5 1903 ha->zio_timer * 100));
1da177e4 1904 qla_printk(KERN_INFO, ha,
4fdfefe5
AV		 1905 "ZIO mode %d enabled; timer delay (%d us).\n",
1906 ha->zio_mode, ha->zio_timer * 100);
1da177e4 1907
4fdfefe5
AV		 1908 icb->add_firmware_options[0] |= (uint8_t)ha->zio_mode;
1909 icb->interrupt_delay_timer = (uint8_t)ha->zio_timer;
e315cd28 1910 vha->flags.process_response_queue = 1;
1da177e4
LT		 1911 }
1912 }
1913
4e08df3f
DM		 1914 if (rval) {
1915 DEBUG2_3(printk(KERN_WARNING
e315cd28 1916 "scsi(%ld): NVRAM configuration failed!\n", vha->host_no));
4e08df3f
DM		 1917 }
1918 return (rval);
1da177e4
LT		 1919}
1920
19a7b4ae
JSEC		 1921static void
1922qla2x00_rport_del(void *data)
1923{
1924 fc_port_t *fcport = data;
d97994dc 1925 struct fc_rport *rport;
d97994dc 1926
e315cd28 1927 spin_lock_irq(fcport->vha->host->host_lock);
d97994dc 1928 rport = fcport->drport;
1929 fcport->drport = NULL;
e315cd28 1930 spin_unlock_irq(fcport->vha->host->host_lock);
d97994dc 1931 if (rport)
1932 fc_remote_port_delete(rport);
19a7b4ae
JSEC		 1933}
1934
1da177e4
LT		 1935/**
1936 * qla2x00_alloc_fcport() - Allocate a generic fcport.
1937 * @ha: HA context
1938 * @flags: allocation flags
1939 *
1940 * Returns a pointer to the allocated fcport, or NULL, if none available.
1941 */
413975a0 1942static fc_port_t *
e315cd28 1943qla2x00_alloc_fcport(scsi_qla_host_t *vha, gfp_t flags)
1da177e4
LT		 1944{
1945 fc_port_t *fcport;
1946
bbfbbbc1
MK		 1947 fcport = kzalloc(sizeof(fc_port_t), flags);
1948 if (!fcport)
1949 return NULL;
1da177e4
LT		 1950
1951 /* Setup fcport template structure. */
e315cd28
AC		 1952 fcport->vha = vha;
1953 fcport->vp_idx = vha->vp_idx;
1da177e4
LT		 1954 fcport->port_type = FCT_UNKNOWN;
1955 fcport->loop_id = FC_NO_LOOP_ID;
1da177e4 1956 atomic_set(&fcport->state, FCS_UNCONFIGURED);
ad3e0eda 1957 fcport->supported_classes = FC_COS_UNSPECIFIED;
1da177e4 1958
bbfbbbc1 1959 return fcport;
1da177e4
LT		 1960}
1961
1962/*
1963 * qla2x00_configure_loop
1964 * Updates Fibre Channel Device Database with what is actually on loop.
1965 *
1966 * Input:
1967 * ha = adapter block pointer.
1968 *
1969 * Returns:
1970 * 0 = success.
1971 * 1 = error.
1972 * 2 = database was full and device was not configured.
1973 */
1974static int
e315cd28 1975qla2x00_configure_loop(scsi_qla_host_t *vha)
1da177e4
LT		 1976{
1977 int rval;
1978 unsigned long flags, save_flags;
e315cd28 1979 struct qla_hw_data *ha = vha->hw;
1da177e4
LT		 1980 rval = QLA_SUCCESS;
1981
1982 /* Get Initiator ID */
e315cd28
AC		 1983 if (test_bit(LOCAL_LOOP_UPDATE, &vha->dpc_flags)) {
1984 rval = qla2x00_configure_hba(vha);
1da177e4
LT		 1985 if (rval != QLA_SUCCESS) {
1986 DEBUG(printk("scsi(%ld): Unable to configure HBA.\n",
e315cd28 1987 vha->host_no));
1da177e4
LT		 1988 return (rval);
1989 }
1990 }
1991
e315cd28 1992 save_flags = flags = vha->dpc_flags;
1da177e4 1993 DEBUG(printk("scsi(%ld): Configure loop -- dpc flags =0x%lx\n",
e315cd28 1994 vha->host_no, flags));
1da177e4
LT		 1995
1996 /*
1997 * If we have both an RSCN and PORT UPDATE pending then handle them
1998 * both at the same time.
1999 */
e315cd28
AC		 2000 clear_bit(LOCAL_LOOP_UPDATE, &vha->dpc_flags);
2001 clear_bit(RSCN_UPDATE, &vha->dpc_flags);
1da177e4
LT		 2002
2003 /* Determine what we need to do */
2004 if (ha->current_topology == ISP_CFG_FL &&
2005 (test_bit(LOCAL_LOOP_UPDATE, &flags))) {
2006
e315cd28 2007 vha->flags.rscn_queue_overflow = 1;
1da177e4
LT		 2008 set_bit(RSCN_UPDATE, &flags);
2009
2010 } else if (ha->current_topology == ISP_CFG_F &&
2011 (test_bit(LOCAL_LOOP_UPDATE, &flags))) {
2012
e315cd28 2013 vha->flags.rscn_queue_overflow = 1;
1da177e4
LT		 2014 set_bit(RSCN_UPDATE, &flags);
2015 clear_bit(LOCAL_LOOP_UPDATE, &flags);
21333b48
AV		 2016
2017 } else if (ha->current_topology == ISP_CFG_N) {
2018 clear_bit(RSCN_UPDATE, &flags);
1da177e4 2019
e315cd28 2020 } else if (!vha->flags.online ||
1da177e4
LT		 2021 (test_bit(ABORT_ISP_ACTIVE, &flags))) {
2022
e315cd28 2023 vha->flags.rscn_queue_overflow = 1;
1da177e4
LT		 2024 set_bit(RSCN_UPDATE, &flags);
2025 set_bit(LOCAL_LOOP_UPDATE, &flags);
2026 }
2027
2028 if (test_bit(LOCAL_LOOP_UPDATE, &flags)) {
e315cd28 2029 if (test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags))
1da177e4 2030 rval = QLA_FUNCTION_FAILED;
e315cd28
AC		 2031 else
2032 rval = qla2x00_configure_local_loop(vha);
1da177e4
LT		 2033 }
2034
2035 if (rval == QLA_SUCCESS && test_bit(RSCN_UPDATE, &flags)) {
e315cd28 2036 if (LOOP_TRANSITION(vha))
1da177e4 2037 rval = QLA_FUNCTION_FAILED;
e315cd28
AC		 2038 else
2039 rval = qla2x00_configure_fabric(vha);
1da177e4
LT		 2040 }
2041
2042 if (rval == QLA_SUCCESS) {
e315cd28
AC		 2043 if (atomic_read(&vha->loop_down_timer) ||
2044 test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags)) {
1da177e4
LT		 2045 rval = QLA_FUNCTION_FAILED;
2046 } else {
e315cd28 2047 atomic_set(&vha->loop_state, LOOP_READY);
1da177e4 2048
e315cd28 2049 DEBUG(printk("scsi(%ld): LOOP READY\n", vha->host_no));
1da177e4
LT		 2050 }
2051 }
2052
2053 if (rval) {
2054 DEBUG2_3(printk("%s(%ld): *** FAILED ***\n",
e315cd28 2055 __func__, vha->host_no));
1da177e4
LT		 2056 } else {
2057 DEBUG3(printk("%s: exiting normally\n", __func__));
2058 }
2059
cc3ef7bc 2060 /* Restore state if a resync event occurred during processing */
e315cd28 2061 if (test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags)) {
1da177e4 2062 if (test_bit(LOCAL_LOOP_UPDATE, &save_flags))
e315cd28 2063 set_bit(LOCAL_LOOP_UPDATE, &vha->dpc_flags);
73208dfd 2064 if (test_bit(RSCN_UPDATE, &save_flags))
e315cd28 2065 set_bit(RSCN_UPDATE, &vha->dpc_flags);
1da177e4
LT		 2066 }
2067
2068 return (rval);
2069}
2070
2071
2072
2073/*
2074 * qla2x00_configure_local_loop
2075 * Updates Fibre Channel Device Database with local loop devices.
2076 *
2077 * Input:
2078 * ha = adapter block pointer.
2079 *
2080 * Returns:
2081 * 0 = success.
2082 */
2083static int
e315cd28 2084qla2x00_configure_local_loop(scsi_qla_host_t *vha)
1da177e4
LT		 2085{
2086 int rval, rval2;
2087 int found_devs;
2088 int found;
2089 fc_port_t *fcport, *new_fcport;
2090
2091 uint16_t index;
2092 uint16_t entries;
2093 char *id_iter;
2094 uint16_t loop_id;
2095 uint8_t domain, area, al_pa;
e315cd28 2096 struct qla_hw_data *ha = vha->hw;
1da177e4
LT		 2097
2098 found_devs = 0;
2099 new_fcport = NULL;
2100 entries = MAX_FIBRE_DEVICES;
2101
e315cd28
AC		 2102 DEBUG3(printk("scsi(%ld): Getting FCAL position map\n", vha->host_no));
2103 DEBUG3(qla2x00_get_fcal_position_map(vha, NULL));
1da177e4
LT		 2104
2105 /* Get list of logged in devices. */
2106 memset(ha->gid_list, 0, GID_LIST_SIZE);
e315cd28 2107 rval = qla2x00_get_id_list(vha, ha->gid_list, ha->gid_list_dma,
1da177e4
LT		 2108 &entries);
2109 if (rval != QLA_SUCCESS)
2110 goto cleanup_allocation;
2111
2112 DEBUG3(printk("scsi(%ld): Entries in ID list (%d)\n",
7640335e 2113 vha->host_no, entries));
1da177e4
LT		 2114 DEBUG3(qla2x00_dump_buffer((uint8_t *)ha->gid_list,
2115 entries * sizeof(struct gid_list_info)));
2116
2117 /* Allocate temporary fcport for any new fcports discovered. */
e315cd28 2118 new_fcport = qla2x00_alloc_fcport(vha, GFP_KERNEL);
1da177e4
LT		 2119 if (new_fcport == NULL) {
2120 rval = QLA_MEMORY_ALLOC_FAILED;
2121 goto cleanup_allocation;
2122 }
2123 new_fcport->flags &= ~FCF_FABRIC_DEVICE;
2124
2125 /*
2126 * Mark local devices that were present with FCF_DEVICE_LOST for now.
2127 */
e315cd28 2128 list_for_each_entry(fcport, &vha->vp_fcports, list) {
1da177e4
LT		 2129 if (atomic_read(&fcport->state) == FCS_ONLINE &&
2130 fcport->port_type != FCT_BROADCAST &&
2131 (fcport->flags & FCF_FABRIC_DEVICE) == 0) {
2132
2133 DEBUG(printk("scsi(%ld): Marking port lost, "
2134 "loop_id=0x%04x\n",
e315cd28 2135 vha->host_no, fcport->loop_id));
1da177e4
LT		 2136
2137 atomic_set(&fcport->state, FCS_DEVICE_LOST);
1da177e4
LT		 2138 }
2139 }
2140
2141 /* Add devices to port list. */
2142 id_iter = (char *)ha->gid_list;
2143 for (index = 0; index < entries; index++) {
2144 domain = ((struct gid_list_info *)id_iter)->domain;
2145 area = ((struct gid_list_info *)id_iter)->area;
2146 al_pa = ((struct gid_list_info *)id_iter)->al_pa;
abbd8870 2147 if (IS_QLA2100(ha) || IS_QLA2200(ha))
1da177e4
LT		 2148 loop_id = (uint16_t)
2149 ((struct gid_list_info *)id_iter)->loop_id_2100;
abbd8870 2150 else
1da177e4
LT		 2151 loop_id = le16_to_cpu(
2152 ((struct gid_list_info *)id_iter)->loop_id);
abbd8870 2153 id_iter += ha->gid_list_info_size;
1da177e4
LT		 2154
2155 /* Bypass reserved domain fields. */
2156 if ((domain & 0xf0) == 0xf0)
2157 continue;
2158
2159 /* Bypass if not same domain and area of adapter. */
f7d289f6 2160 if (area && domain &&
e315cd28 2161 (area != vha->d_id.b.area || domain != vha->d_id.b.domain))
1da177e4
LT		 2162 continue;
2163
2164 /* Bypass invalid local loop ID. */
2165 if (loop_id > LAST_LOCAL_LOOP_ID)
2166 continue;
2167
2168 /* Fill in member data. */
2169 new_fcport->d_id.b.domain = domain;
2170 new_fcport->d_id.b.area = area;
2171 new_fcport->d_id.b.al_pa = al_pa;
2172 new_fcport->loop_id = loop_id;
e315cd28
AC		 2173 new_fcport->vp_idx = vha->vp_idx;
2174 rval2 = qla2x00_get_port_database(vha, new_fcport, 0);
1da177e4
LT		 2175 if (rval2 != QLA_SUCCESS) {
2176 DEBUG2(printk("scsi(%ld): Failed to retrieve fcport "
2177 "information -- get_port_database=%x, "
2178 "loop_id=0x%04x\n",
e315cd28 2179 vha->host_no, rval2, new_fcport->loop_id));
c9d02acf 2180 DEBUG2(printk("scsi(%ld): Scheduling resync...\n",
e315cd28
AC		 2181 vha->host_no));
2182 set_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags);
1da177e4
LT		 2183 continue;
2184 }
2185
2186 /* Check for matching device in port list. */
2187 found = 0;
2188 fcport = NULL;
e315cd28 2189 list_for_each_entry(fcport, &vha->vp_fcports, list) {
1da177e4
LT		 2190 if (memcmp(new_fcport->port_name, fcport->port_name,
2191 WWN_SIZE))
2192 continue;
2193
ddb9b126 2194 fcport->flags &= ~FCF_FABRIC_DEVICE;
1da177e4
LT		 2195 fcport->loop_id = new_fcport->loop_id;
2196 fcport->port_type = new_fcport->port_type;
2197 fcport->d_id.b24 = new_fcport->d_id.b24;
2198 memcpy(fcport->node_name, new_fcport->node_name,
2199 WWN_SIZE);
2200
2201 found++;
2202 break;
2203 }
2204
2205 if (!found) {
2206 /* New device, add to fcports list. */
e315cd28
AC		 2207 if (vha->vp_idx) {
2208 new_fcport->vha = vha;
2209 new_fcport->vp_idx = vha->vp_idx;
2c3dfe3f 2210 }
e315cd28 2211 list_add_tail(&new_fcport->list, &vha->vp_fcports);
1da177e4
LT		 2212
2213 /* Allocate a new replacement fcport. */
2214 fcport = new_fcport;
e315cd28 2215 new_fcport = qla2x00_alloc_fcport(vha, GFP_KERNEL);
1da177e4
LT		 2216 if (new_fcport == NULL) {
2217 rval = QLA_MEMORY_ALLOC_FAILED;
2218 goto cleanup_allocation;
2219 }
2220 new_fcport->flags &= ~FCF_FABRIC_DEVICE;
2221 }
2222
d8b45213 2223 /* Base iIDMA settings on HBA port speed. */
a3cbdfad 2224 fcport->fp_speed = ha->link_data_rate;
d8b45213 2225
e315cd28 2226 qla2x00_update_fcport(vha, fcport);
1da177e4
LT		 2227
2228 found_devs++;
2229 }
2230
2231cleanup_allocation:
c9475cb0 2232 kfree(new_fcport);
1da177e4
LT		 2233
2234 if (rval != QLA_SUCCESS) {
2235 DEBUG2(printk("scsi(%ld): Configure local loop error exit: "
e315cd28 2236 "rval=%x\n", vha->host_no, rval));
1da177e4
LT		 2237 }
2238
1da177e4
LT		 2239 return (rval);
2240}
2241
d8b45213 2242static void
e315cd28 2243qla2x00_iidma_fcport(scsi_qla_host_t *vha, fc_port_t *fcport)
d8b45213
AV		 2244{
2245#define LS_UNKNOWN 2
a3cbdfad 2246 static char *link_speeds[5] = { "1", "2", "?", "4", "8" };
d8b45213 2247 int rval;
a3cbdfad 2248 uint16_t mb[6];
e315cd28 2249 struct qla_hw_data *ha = vha->hw;
d8b45213 2250
c76f2c01 2251 if (!IS_IIDMA_CAPABLE(ha))
d8b45213
AV		 2252 return;
2253
39bd9622
AV		 2254 if (fcport->fp_speed == PORT_SPEED_UNKNOWN ||
2255 fcport->fp_speed > ha->link_data_rate)
d8b45213
AV		 2256 return;
2257
e315cd28 2258 rval = qla2x00_set_idma_speed(vha, fcport->loop_id, fcport->fp_speed,
a3cbdfad 2259 mb);
d8b45213
AV		 2260 if (rval != QLA_SUCCESS) {
2261 DEBUG2(printk("scsi(%ld): Unable to adjust iIDMA "
2262 "%02x%02x%02x%02x%02x%02x%02x%02x -- %04x %x %04x %04x.\n",
e315cd28 2263 vha->host_no, fcport->port_name[0], fcport->port_name[1],
d8b45213
AV		 2264 fcport->port_name[2], fcport->port_name[3],
2265 fcport->port_name[4], fcport->port_name[5],
2266 fcport->port_name[6], fcport->port_name[7], rval,
a3cbdfad 2267 fcport->fp_speed, mb[0], mb[1]));
d8b45213
AV		 2268 } else {
2269 DEBUG2(qla_printk(KERN_INFO, ha,
2270 "iIDMA adjusted to %s GB/s on "
2271 "%02x%02x%02x%02x%02x%02x%02x%02x.\n",
a3cbdfad 2272 link_speeds[fcport->fp_speed], fcport->port_name[0],
d8b45213
AV		 2273 fcport->port_name[1], fcport->port_name[2],
2274 fcport->port_name[3], fcport->port_name[4],
2275 fcport->port_name[5], fcport->port_name[6],
2276 fcport->port_name[7]));
2277 }
2278}
2279
23be331d 2280static void
e315cd28 2281qla2x00_reg_remote_port(scsi_qla_host_t *vha, fc_port_t *fcport)
8482e118 2282{
2283 struct fc_rport_identifiers rport_ids;
bdf79621 2284 struct fc_rport *rport;
e315cd28 2285 struct qla_hw_data *ha = vha->hw;
8482e118 2286
d97994dc 2287 if (fcport->drport)
2288 qla2x00_rport_del(fcport);
8482e118 2289
f8b02a85
AV		 2290 rport_ids.node_name = wwn_to_u64(fcport->node_name);
2291 rport_ids.port_name = wwn_to_u64(fcport->port_name);
8482e118 2292 rport_ids.port_id = fcport->d_id.b.domain << 16 |
2293 fcport->d_id.b.area << 8 | fcport->d_id.b.al_pa;
77d74143 2294 rport_ids.roles = FC_RPORT_ROLE_UNKNOWN;
e315cd28 2295 fcport->rport = rport = fc_remote_port_add(vha->host, 0, &rport_ids);
77d74143
AV		 2296 if (!rport) {
2297 qla_printk(KERN_WARNING, ha,
2298 "Unable to allocate fc remote port!\n");
2299 return;
2300 }
e315cd28 2301 spin_lock_irq(fcport->vha->host->host_lock);
19a7b4ae 2302 *((fc_port_t **)rport->dd_data) = fcport;
e315cd28 2303 spin_unlock_irq(fcport->vha->host->host_lock);
d97994dc 2304
ad3e0eda 2305 rport->supported_classes = fcport->supported_classes;
77d74143 2306
8482e118 2307 rport_ids.roles = FC_RPORT_ROLE_UNKNOWN;
2308 if (fcport->port_type == FCT_INITIATOR)
2309 rport_ids.roles |= FC_RPORT_ROLE_FCP_INITIATOR;
2310 if (fcport->port_type == FCT_TARGET)
2311 rport_ids.roles |= FC_RPORT_ROLE_FCP_TARGET;
77d74143 2312 fc_remote_port_rolechg(rport, rport_ids.roles);
1da177e4
LT		 2313}
2314
23be331d
AB		 2315/*
2316 * qla2x00_update_fcport
2317 * Updates device on list.
2318 *
2319 * Input:
2320 * ha = adapter block pointer.
2321 * fcport = port structure pointer.
2322 *
2323 * Return:
2324 * 0 - Success
2325 * BIT_0 - error
2326 *
2327 * Context:
2328 * Kernel context.
2329 */
2330void
e315cd28 2331qla2x00_update_fcport(scsi_qla_host_t *vha, fc_port_t *fcport)
23be331d 2332{
e315cd28 2333 struct qla_hw_data *ha = vha->hw;
2c3dfe3f 2334
e315cd28 2335 fcport->vha = vha;
23be331d 2336 fcport->login_retry = 0;
e315cd28 2337 fcport->port_login_retry_count = ha->port_down_retry_count *
23be331d 2338 PORT_RETRY_TIME;
e315cd28 2339 atomic_set(&fcport->port_down_timer, ha->port_down_retry_count *
23be331d
AB		 2340 PORT_RETRY_TIME);
2341 fcport->flags &= ~FCF_LOGIN_NEEDED;
2342
e315cd28 2343 qla2x00_iidma_fcport(vha, fcport);
23be331d
AB		 2344
2345 atomic_set(&fcport->state, FCS_ONLINE);
2346
e315cd28 2347 qla2x00_reg_remote_port(vha, fcport);
23be331d
AB		 2348}
2349
1da177e4
LT		 2350/*
2351 * qla2x00_configure_fabric
2352 * Setup SNS devices with loop ID's.
2353 *
2354 * Input:
2355 * ha = adapter block pointer.
2356 *
2357 * Returns:
2358 * 0 = success.
2359 * BIT_0 = error
2360 */
2361static int
e315cd28 2362qla2x00_configure_fabric(scsi_qla_host_t *vha)
1da177e4
LT		 2363{
2364 int rval, rval2;
2365 fc_port_t *fcport, *fcptemp;
2366 uint16_t next_loopid;
2367 uint16_t mb[MAILBOX_REGISTER_COUNT];
0107109e 2368 uint16_t loop_id;
1da177e4 2369 LIST_HEAD(new_fcports);
e315cd28
AC		 2370 struct qla_hw_data *ha = vha->hw;
2371 struct scsi_qla_host *base_vha = pci_get_drvdata(ha->pdev);
1da177e4
LT		 2372
2373 /* If FL port exists, then SNS is present */
e428924c 2374 if (IS_FWI2_CAPABLE(ha))
0107109e
AV		 2375 loop_id = NPH_F_PORT;
2376 else
2377 loop_id = SNS_FL_PORT;
e315cd28 2378 rval = qla2x00_get_port_name(vha, loop_id, vha->fabric_node_name, 1);
1da177e4
LT		 2379 if (rval != QLA_SUCCESS) {
2380 DEBUG2(printk("scsi(%ld): MBC_GET_PORT_NAME Failed, No FL "
e315cd28 2381 "Port\n", vha->host_no));
1da177e4 2382
e315cd28 2383 vha->device_flags &= ~SWITCH_FOUND;
1da177e4
LT		 2384 return (QLA_SUCCESS);
2385 }
e315cd28 2386 vha->device_flags |= SWITCH_FOUND;
1da177e4
LT		 2387
2388 /* Mark devices that need re-synchronization. */
e315cd28 2389 rval2 = qla2x00_device_resync(vha);
1da177e4
LT		 2390 if (rval2 == QLA_RSCNS_HANDLED) {
2391 /* No point doing the scan, just continue. */
2392 return (QLA_SUCCESS);
2393 }
2394 do {
cca5335c
AV		 2395 /* FDMI support. */
2396 if (ql2xfdmienable &&
e315cd28
AC		 2397 test_and_clear_bit(REGISTER_FDMI_NEEDED, &vha->dpc_flags))
2398 qla2x00_fdmi_register(vha);
cca5335c 2399
1da177e4 2400 /* Ensure we are logged into the SNS. */
e428924c 2401 if (IS_FWI2_CAPABLE(ha))
0107109e
AV		 2402 loop_id = NPH_SNS;
2403 else
2404 loop_id = SIMPLE_NAME_SERVER;
e315cd28 2405 ha->isp_ops->fabric_login(vha, loop_id, 0xff, 0xff,
abbd8870 2406 0xfc, mb, BIT_1 | BIT_0);
1da177e4
LT		 2407 if (mb[0] != MBS_COMMAND_COMPLETE) {
2408 DEBUG2(qla_printk(KERN_INFO, ha,
2409 "Failed SNS login: loop_id=%x mb[0]=%x mb[1]=%x "
0107109e 2410 "mb[2]=%x mb[6]=%x mb[7]=%x\n", loop_id,
1da177e4
LT		 2411 mb[0], mb[1], mb[2], mb[6], mb[7]));
2412 return (QLA_SUCCESS);
2413 }
2414
e315cd28
AC		 2415 if (test_and_clear_bit(REGISTER_FC4_NEEDED, &vha->dpc_flags)) {
2416 if (qla2x00_rft_id(vha)) {
1da177e4
LT		 2417 /* EMPTY */
2418 DEBUG2(printk("scsi(%ld): Register FC-4 "
e315cd28 2419 "TYPE failed.\n", vha->host_no));
1da177e4 2420 }
e315cd28 2421 if (qla2x00_rff_id(vha)) {
1da177e4
LT		 2422 /* EMPTY */
2423 DEBUG2(printk("scsi(%ld): Register FC-4 "
e315cd28 2424 "Features failed.\n", vha->host_no));
1da177e4 2425 }
e315cd28 2426 if (qla2x00_rnn_id(vha)) {
1da177e4
LT		 2427 /* EMPTY */
2428 DEBUG2(printk("scsi(%ld): Register Node Name "
e315cd28
AC		 2429 "failed.\n", vha->host_no));
2430 } else if (qla2x00_rsnn_nn(vha)) {
1da177e4
LT		 2431 /* EMPTY */
2432 DEBUG2(printk("scsi(%ld): Register Symbolic "
e315cd28 2433 "Node Name failed.\n", vha->host_no));
1da177e4
LT		 2434 }
2435 }
2436
e315cd28 2437 rval = qla2x00_find_all_fabric_devs(vha, &new_fcports);
1da177e4
LT		 2438 if (rval != QLA_SUCCESS)
2439 break;
2440
2441 /*
2442 * Logout all previous fabric devices marked lost, except
2443 * tape devices.
2444 */
e315cd28
AC		 2445 list_for_each_entry(fcport, &vha->vp_fcports, list) {
2446 if (test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags))
1da177e4
LT		 2447 break;
2448
2449 if ((fcport->flags & FCF_FABRIC_DEVICE) == 0)
2450 continue;
2451
2452 if (atomic_read(&fcport->state) == FCS_DEVICE_LOST) {
e315cd28 2453 qla2x00_mark_device_lost(vha, fcport,
d97994dc 2454 ql2xplogiabsentdevice, 0);
1da177e4
LT		 2455 if (fcport->loop_id != FC_NO_LOOP_ID &&
2456 (fcport->flags & FCF_TAPE_PRESENT) == 0 &&
2457 fcport->port_type != FCT_INITIATOR &&
2458 fcport->port_type != FCT_BROADCAST) {
e315cd28 2459 ha->isp_ops->fabric_logout(vha,
1c7c6357
AV		 2460 fcport->loop_id,
2461 fcport->d_id.b.domain,
2462 fcport->d_id.b.area,
2463 fcport->d_id.b.al_pa);
1da177e4
LT		 2464 fcport->loop_id = FC_NO_LOOP_ID;
2465 }
2466 }
2467 }
2468
2469 /* Starting free loop ID. */
e315cd28 2470 next_loopid = ha->min_external_loopid;
1da177e4
LT		 2471
2472 /*
2473 * Scan through our port list and login entries that need to be
2474 * logged in.
2475 */
e315cd28
AC		 2476 list_for_each_entry(fcport, &vha->vp_fcports, list) {
2477 if (atomic_read(&vha->loop_down_timer) ||
2478 test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags))
1da177e4
LT		 2479 break;
2480
2481 if ((fcport->flags & FCF_FABRIC_DEVICE) == 0 ||
2482 (fcport->flags & FCF_LOGIN_NEEDED) == 0)
2483 continue;
2484
2485 if (fcport->loop_id == FC_NO_LOOP_ID) {
2486 fcport->loop_id = next_loopid;
d4486fd6 2487 rval = qla2x00_find_new_loop_id(
e315cd28 2488 base_vha, fcport);
1da177e4
LT		 2489 if (rval != QLA_SUCCESS) {
2490 /* Ran out of IDs to use */
2491 break;
2492 }
2493 }
1da177e4 2494 /* Login and update database */
e315cd28 2495 qla2x00_fabric_dev_login(vha, fcport, &next_loopid);
1da177e4
LT		 2496 }
2497
2498 /* Exit if out of loop IDs. */
2499 if (rval != QLA_SUCCESS) {
2500 break;
2501 }
2502
2503 /*
2504 * Login and add the new devices to our port list.
2505 */
2506 list_for_each_entry_safe(fcport, fcptemp, &new_fcports, list) {
e315cd28
AC		 2507 if (atomic_read(&vha->loop_down_timer) ||
2508 test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags))
1da177e4
LT		 2509 break;
2510
2511 /* Find a new loop ID to use. */
2512 fcport->loop_id = next_loopid;
e315cd28 2513 rval = qla2x00_find_new_loop_id(base_vha, fcport);
1da177e4
LT		 2514 if (rval != QLA_SUCCESS) {
2515 /* Ran out of IDs to use */
2516 break;
2517 }
2518
bdf79621 2519 /* Login and update database */
e315cd28
AC		 2520 qla2x00_fabric_dev_login(vha, fcport, &next_loopid);
2521
2522 if (vha->vp_idx) {
2523 fcport->vha = vha;
2524 fcport->vp_idx = vha->vp_idx;
2525 }
2526 list_move_tail(&fcport->list, &vha->vp_fcports);
1da177e4
LT		 2527 }
2528 } while (0);
2529
2530 /* Free all new device structures not processed. */
2531 list_for_each_entry_safe(fcport, fcptemp, &new_fcports, list) {
2532 list_del(&fcport->list);
2533 kfree(fcport);
2534 }
2535
2536 if (rval) {
2537 DEBUG2(printk("scsi(%ld): Configure fabric error exit: "
e315cd28 2538 "rval=%d\n", vha->host_no, rval));
1da177e4
LT		 2539 }
2540
2541 return (rval);
2542}
2543
2544
2545/*
2546 * qla2x00_find_all_fabric_devs
2547 *
2548 * Input:
2549 * ha = adapter block pointer.
2550 * dev = database device entry pointer.
2551 *
2552 * Returns:
2553 * 0 = success.
2554 *
2555 * Context:
2556 * Kernel context.
2557 */
2558static int
e315cd28
AC		 2559qla2x00_find_all_fabric_devs(scsi_qla_host_t *vha,
2560 struct list_head *new_fcports)
1da177e4
LT		 2561{
2562 int rval;
2563 uint16_t loop_id;
2564 fc_port_t *fcport, *new_fcport, *fcptemp;
2565 int found;
2566
2567 sw_info_t *swl;
2568 int swl_idx;
2569 int first_dev, last_dev;
2570 port_id_t wrap, nxt_d_id;
e315cd28
AC		 2571 struct qla_hw_data *ha = vha->hw;
2572 struct scsi_qla_host *vp, *base_vha = pci_get_drvdata(ha->pdev);
ee546b6e 2573 struct scsi_qla_host *tvp;
1da177e4
LT		 2574
2575 rval = QLA_SUCCESS;
2576
2577 /* Try GID_PT to get device list, else GAN. */
4b89258c 2578 swl = kcalloc(MAX_FIBRE_DEVICES, sizeof(sw_info_t), GFP_KERNEL);
bbfbbbc1 2579 if (!swl) {
1da177e4
LT		 2580 /*EMPTY*/
2581 DEBUG2(printk("scsi(%ld): GID_PT allocations failed, fallback "
e315cd28 2582 "on GA_NXT\n", vha->host_no));
1da177e4 2583 } else {
e315cd28 2584 if (qla2x00_gid_pt(vha, swl) != QLA_SUCCESS) {
1da177e4
LT		 2585 kfree(swl);
2586 swl = NULL;
e315cd28 2587 } else if (qla2x00_gpn_id(vha, swl) != QLA_SUCCESS) {
1da177e4
LT		 2588 kfree(swl);
2589 swl = NULL;
e315cd28 2590 } else if (qla2x00_gnn_id(vha, swl) != QLA_SUCCESS) {
1da177e4
LT		 2591 kfree(swl);
2592 swl = NULL;
e5896bd5 2593 } else if (ql2xiidmaenable &&
e315cd28
AC		 2594 qla2x00_gfpn_id(vha, swl) == QLA_SUCCESS) {
2595 qla2x00_gpsc(vha, swl);
1da177e4
LT		 2596 }
2597 }
2598 swl_idx = 0;
2599
2600 /* Allocate temporary fcport for any new fcports discovered. */
e315cd28 2601 new_fcport = qla2x00_alloc_fcport(vha, GFP_KERNEL);
1da177e4 2602 if (new_fcport == NULL) {
c9475cb0 2603 kfree(swl);
1da177e4
LT		 2604 return (QLA_MEMORY_ALLOC_FAILED);
2605 }
2606 new_fcport->flags |= (FCF_FABRIC_DEVICE | FCF_LOGIN_NEEDED);
1da177e4
LT		 2607 /* Set start port ID scan at adapter ID. */
2608 first_dev = 1;
2609 last_dev = 0;
2610
2611 /* Starting free loop ID. */
e315cd28
AC		 2612 loop_id = ha->min_external_loopid;
2613 for (; loop_id <= ha->max_loop_id; loop_id++) {
2614 if (qla2x00_is_reserved_id(vha, loop_id))
1da177e4
LT		 2615 continue;
2616
e315cd28 2617 if (atomic_read(&vha->loop_down_timer) || LOOP_TRANSITION(vha))
1da177e4
LT		 2618 break;
2619
2620 if (swl != NULL) {
2621 if (last_dev) {
2622 wrap.b24 = new_fcport->d_id.b24;
2623 } else {
2624 new_fcport->d_id.b24 = swl[swl_idx].d_id.b24;
2625 memcpy(new_fcport->node_name,
2626 swl[swl_idx].node_name, WWN_SIZE);
2627 memcpy(new_fcport->port_name,
2628 swl[swl_idx].port_name, WWN_SIZE);
d8b45213
AV		 2629 memcpy(new_fcport->fabric_port_name,
2630 swl[swl_idx].fabric_port_name, WWN_SIZE);
2631 new_fcport->fp_speed = swl[swl_idx].fp_speed;
1da177e4
LT		 2632
2633 if (swl[swl_idx].d_id.b.rsvd_1 != 0) {
2634 last_dev = 1;
2635 }
2636 swl_idx++;
2637 }
2638 } else {
2639 /* Send GA_NXT to the switch */
e315cd28 2640 rval = qla2x00_ga_nxt(vha, new_fcport);
1da177e4
LT		 2641 if (rval != QLA_SUCCESS) {
2642 qla_printk(KERN_WARNING, ha,
2643 "SNS scan failed -- assuming zero-entry "
2644 "result...\n");
2645 list_for_each_entry_safe(fcport, fcptemp,
2646 new_fcports, list) {
2647 list_del(&fcport->list);
2648 kfree(fcport);
2649 }
2650 rval = QLA_SUCCESS;
2651 break;
2652 }
2653 }
2654
2655 /* If wrap on switch device list, exit. */
2656 if (first_dev) {
2657 wrap.b24 = new_fcport->d_id.b24;
2658 first_dev = 0;
2659 } else if (new_fcport->d_id.b24 == wrap.b24) {
2660 DEBUG2(printk("scsi(%ld): device wrap (%02x%02x%02x)\n",
e315cd28 2661 vha->host_no, new_fcport->d_id.b.domain,
1da177e4
LT		 2662 new_fcport->d_id.b.area, new_fcport->d_id.b.al_pa));
2663 break;
2664 }
2665
2c3dfe3f 2666 /* Bypass if same physical adapter. */
e315cd28 2667 if (new_fcport->d_id.b24 == base_vha->d_id.b24)
1da177e4
LT		 2668 continue;
2669
2c3dfe3f 2670 /* Bypass virtual ports of the same host. */
e315cd28
AC		 2671 found = 0;
2672 if (ha->num_vhosts) {
ee546b6e 2673 list_for_each_entry_safe(vp, tvp, &ha->vp_list, list) {
e315cd28
AC		 2674 if (new_fcport->d_id.b24 == vp->d_id.b24) {
2675 found = 1;
2c3dfe3f 2676 break;
e315cd28 2677 }
2c3dfe3f 2678 }
e315cd28 2679 if (found)
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) ==
e315cd28 2685 (vha->d_id.b24 & 0xffff00)) && ha->current_topology ==
f7d289f6
AV		 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;
e315cd28 2695 list_for_each_entry(fcport, &vha->vp_fcports, list) {
1da177e4
LT		 2696 if (memcmp(new_fcport->port_name, fcport->port_name,
2697 WWN_SIZE))
2698 continue;
2699
2700 found++;
2701
d8b45213
AV		 2702 /* Update port state. */
2703 memcpy(fcport->fabric_port_name,
2704 new_fcport->fabric_port_name, WWN_SIZE);
2705 fcport->fp_speed = new_fcport->fp_speed;
2706
1da177e4
LT		 2707 /*
2708 * If address the same and state FCS_ONLINE, nothing
2709 * changed.
2710 */
2711 if (fcport->d_id.b24 == new_fcport->d_id.b24 &&
2712 atomic_read(&fcport->state) == FCS_ONLINE) {
2713 break;
2714 }
2715
2716 /*
2717 * If device was not a fabric device before.
2718 */
2719 if ((fcport->flags & FCF_FABRIC_DEVICE) == 0) {
2720 fcport->d_id.b24 = new_fcport->d_id.b24;
2721 fcport->loop_id = FC_NO_LOOP_ID;
2722 fcport->flags |= (FCF_FABRIC_DEVICE |
2723 FCF_LOGIN_NEEDED);
1da177e4
LT		 2724 break;
2725 }
2726
2727 /*
2728 * Port ID changed or device was marked to be updated;
2729 * Log it out if still logged in and mark it for
2730 * relogin later.
2731 */
2732 fcport->d_id.b24 = new_fcport->d_id.b24;
2733 fcport->flags |= FCF_LOGIN_NEEDED;
2734 if (fcport->loop_id != FC_NO_LOOP_ID &&
2735 (fcport->flags & FCF_TAPE_PRESENT) == 0 &&
2736 fcport->port_type != FCT_INITIATOR &&
2737 fcport->port_type != FCT_BROADCAST) {
e315cd28 2738 ha->isp_ops->fabric_logout(vha, fcport->loop_id,
1c7c6357
AV		 2739 fcport->d_id.b.domain, fcport->d_id.b.area,
2740 fcport->d_id.b.al_pa);
1da177e4
LT		 2741 fcport->loop_id = FC_NO_LOOP_ID;
2742 }
2743
2744 break;
2745 }
2746
2747 if (found)
2748 continue;
1da177e4
LT		 2749 /* If device was not in our fcports list, then add it. */
2750 list_add_tail(&new_fcport->list, new_fcports);
2751
2752 /* Allocate a new replacement fcport. */
2753 nxt_d_id.b24 = new_fcport->d_id.b24;
e315cd28 2754 new_fcport = qla2x00_alloc_fcport(vha, GFP_KERNEL);
1da177e4 2755 if (new_fcport == NULL) {
c9475cb0 2756 kfree(swl);
1da177e4
LT		 2757 return (QLA_MEMORY_ALLOC_FAILED);
2758 }
2759 new_fcport->flags |= (FCF_FABRIC_DEVICE | FCF_LOGIN_NEEDED);
2760 new_fcport->d_id.b24 = nxt_d_id.b24;
2761 }
2762
c9475cb0
JJ		 2763 kfree(swl);
2764 kfree(new_fcport);
1da177e4 2765
1da177e4
LT		 2766 return (rval);
2767}
2768
2769/*
2770 * qla2x00_find_new_loop_id
2771 * Scan through our port list and find a new usable loop ID.
2772 *
2773 * Input:
2774 * ha: adapter state pointer.
2775 * dev: port structure pointer.
2776 *
2777 * Returns:
2778 * qla2x00 local function return status code.
2779 *
2780 * Context:
2781 * Kernel context.
2782 */
413975a0 2783static int
e315cd28 2784qla2x00_find_new_loop_id(scsi_qla_host_t *vha, fc_port_t *dev)
1da177e4
LT		 2785{
2786 int rval;
2787 int found;
2788 fc_port_t *fcport;
2789 uint16_t first_loop_id;
e315cd28
AC		 2790 struct qla_hw_data *ha = vha->hw;
2791 struct scsi_qla_host *vp;
ee546b6e 2792 struct scsi_qla_host *tvp;
1da177e4
LT		 2793
2794 rval = QLA_SUCCESS;
2795
2796 /* Save starting loop ID. */
2797 first_loop_id = dev->loop_id;
2798
2799 for (;;) {
2800 /* Skip loop ID if already used by adapter. */
e315cd28 2801 if (dev->loop_id == vha->loop_id)
1da177e4 2802 dev->loop_id++;
1da177e4
LT		 2803
2804 /* Skip reserved loop IDs. */
e315cd28 2805 while (qla2x00_is_reserved_id(vha, dev->loop_id))
1da177e4 2806 dev->loop_id++;
1da177e4
LT		 2807
2808 /* Reset loop ID if passed the end. */
e315cd28 2809 if (dev->loop_id > ha->max_loop_id) {
1da177e4
LT		 2810 /* first loop ID. */
2811 dev->loop_id = ha->min_external_loopid;
2812 }
2813
2814 /* Check for loop ID being already in use. */
2815 found = 0;
2816 fcport = NULL;
ee546b6e 2817 list_for_each_entry_safe(vp, tvp, &ha->vp_list, list) {
e315cd28
AC		 2818 list_for_each_entry(fcport, &vp->vp_fcports, list) {
2819 if (fcport->loop_id == dev->loop_id &&
2820 fcport != dev) {
2821 /* ID possibly in use */
2822 found++;
2823 break;
2824 }
1da177e4 2825 }
e315cd28
AC		 2826 if (found)
2827 break;
1da177e4
LT		 2828 }
2829
2830 /* If not in use then it is free to use. */
2831 if (!found) {
2832 break;
2833 }
2834
2835 /* ID in use. Try next value. */
2836 dev->loop_id++;
2837
2838 /* If wrap around. No free ID to use. */
2839 if (dev->loop_id == first_loop_id) {
2840 dev->loop_id = FC_NO_LOOP_ID;
2841 rval = QLA_FUNCTION_FAILED;
2842 break;
2843 }
2844 }
2845
2846 return (rval);
2847}
2848
2849/*
2850 * qla2x00_device_resync
2851 * Marks devices in the database that needs resynchronization.
2852 *
2853 * Input:
2854 * ha = adapter block pointer.
2855 *
2856 * Context:
2857 * Kernel context.
2858 */
2859static int
e315cd28 2860qla2x00_device_resync(scsi_qla_host_t *vha)
1da177e4
LT		 2861{
2862 int rval;
1da177e4
LT		 2863 uint32_t mask;
2864 fc_port_t *fcport;
2865 uint32_t rscn_entry;
2866 uint8_t rscn_out_iter;
2867 uint8_t format;
2868 port_id_t d_id;
2869
2870 rval = QLA_RSCNS_HANDLED;
2871
e315cd28
AC		 2872 while (vha->rscn_out_ptr != vha->rscn_in_ptr ||
2873 vha->flags.rscn_queue_overflow) {
1da177e4 2874
e315cd28 2875 rscn_entry = vha->rscn_queue[vha->rscn_out_ptr];
1da177e4
LT		 2876 format = MSB(MSW(rscn_entry));
2877 d_id.b.domain = LSB(MSW(rscn_entry));
2878 d_id.b.area = MSB(LSW(rscn_entry));
2879 d_id.b.al_pa = LSB(LSW(rscn_entry));
2880
2881 DEBUG(printk("scsi(%ld): RSCN queue entry[%d] = "
2882 "[%02x/%02x%02x%02x].\n",
e315cd28 2883 vha->host_no, vha->rscn_out_ptr, format, d_id.b.domain,
1da177e4
LT		 2884 d_id.b.area, d_id.b.al_pa));
2885
e315cd28
AC		 2886 vha->rscn_out_ptr++;
2887 if (vha->rscn_out_ptr == MAX_RSCN_COUNT)
2888 vha->rscn_out_ptr = 0;
1da177e4
LT		 2889
2890 /* Skip duplicate entries. */
e315cd28
AC		 2891 for (rscn_out_iter = vha->rscn_out_ptr;
2892 !vha->flags.rscn_queue_overflow &&
2893 rscn_out_iter != vha->rscn_in_ptr;
1da177e4
LT		 2894 rscn_out_iter = (rscn_out_iter ==
2895 (MAX_RSCN_COUNT - 1)) ? 0: rscn_out_iter + 1) {
2896
e315cd28 2897 if (rscn_entry != vha->rscn_queue[rscn_out_iter])
1da177e4
LT		 2898 break;
2899
2900 DEBUG(printk("scsi(%ld): Skipping duplicate RSCN queue "
e315cd28 2901 "entry found at [%d].\n", vha->host_no,
1da177e4
LT		 2902 rscn_out_iter));
2903
e315cd28 2904 vha->rscn_out_ptr = rscn_out_iter;
1da177e4
LT		 2905 }
2906
2907 /* Queue overflow, set switch default case. */
e315cd28 2908 if (vha->flags.rscn_queue_overflow) {
1da177e4 2909 DEBUG(printk("scsi(%ld): device_resync: rscn "
e315cd28 2910 "overflow.\n", vha->host_no));
1da177e4
LT		 2911
2912 format = 3;
e315cd28 2913 vha->flags.rscn_queue_overflow = 0;
1da177e4
LT		 2914 }
2915
2916 switch (format) {
2917 case 0:
1da177e4
LT		 2918 mask = 0xffffff;
2919 break;
2920 case 1:
2921 mask = 0xffff00;
2922 break;
2923 case 2:
2924 mask = 0xff0000;
2925 break;
2926 default:
2927 mask = 0x0;
2928 d_id.b24 = 0;
e315cd28 2929 vha->rscn_out_ptr = vha->rscn_in_ptr;
1da177e4
LT		 2930 break;
2931 }
2932
2933 rval = QLA_SUCCESS;
2934
e315cd28 2935 list_for_each_entry(fcport, &vha->vp_fcports, list) {
1da177e4
LT		 2936 if ((fcport->flags & FCF_FABRIC_DEVICE) == 0 ||
2937 (fcport->d_id.b24 & mask) != d_id.b24 ||
2938 fcport->port_type == FCT_BROADCAST)
2939 continue;
2940
2941 if (atomic_read(&fcport->state) == FCS_ONLINE) {
2942 if (format != 3 ||
2943 fcport->port_type != FCT_INITIATOR) {
e315cd28 2944 qla2x00_mark_device_lost(vha, fcport,
d97994dc 2945 0, 0);
1da177e4
LT		 2946 }
2947 }
1da177e4
LT		 2948 }
2949 }
2950 return (rval);
2951}
2952
2953/*
2954 * qla2x00_fabric_dev_login
2955 * Login fabric target device and update FC port database.
2956 *
2957 * Input:
2958 * ha: adapter state pointer.
2959 * fcport: port structure list pointer.
2960 * next_loopid: contains value of a new loop ID that can be used
2961 * by the next login attempt.
2962 *
2963 * Returns:
2964 * qla2x00 local function return status code.
2965 *
2966 * Context:
2967 * Kernel context.
2968 */
2969static int
e315cd28 2970qla2x00_fabric_dev_login(scsi_qla_host_t *vha, fc_port_t *fcport,
1da177e4
LT		 2971 uint16_t *next_loopid)
2972{
2973 int rval;
2974 int retry;
0107109e 2975 uint8_t opts;
e315cd28 2976 struct qla_hw_data *ha = vha->hw;
1da177e4
LT		 2977
2978 rval = QLA_SUCCESS;
2979 retry = 0;
2980
e315cd28 2981 rval = qla2x00_fabric_login(vha, fcport, next_loopid);
1da177e4 2982 if (rval == QLA_SUCCESS) {
0107109e
AV		 2983 /* Send an ADISC to tape devices.*/
2984 opts = 0;
2985 if (fcport->flags & FCF_TAPE_PRESENT)
2986 opts |= BIT_1;
e315cd28 2987 rval = qla2x00_get_port_database(vha, fcport, opts);
1da177e4 2988 if (rval != QLA_SUCCESS) {
e315cd28 2989 ha->isp_ops->fabric_logout(vha, fcport->loop_id,
1c7c6357
AV		 2990 fcport->d_id.b.domain, fcport->d_id.b.area,
2991 fcport->d_id.b.al_pa);
e315cd28 2992 qla2x00_mark_device_lost(vha, fcport, 1, 0);
1da177e4 2993 } else {
e315cd28 2994 qla2x00_update_fcport(vha, fcport);
1da177e4
LT		 2995 }
2996 }
2997
2998 return (rval);
2999}
3000
3001/*
3002 * qla2x00_fabric_login
3003 * Issue fabric login command.
3004 *
3005 * Input:
3006 * ha = adapter block pointer.
3007 * device = pointer to FC device type structure.
3008 *
3009 * Returns:
3010 * 0 - Login successfully
3011 * 1 - Login failed
3012 * 2 - Initiator device
3013 * 3 - Fatal error
3014 */
3015int
e315cd28 3016qla2x00_fabric_login(scsi_qla_host_t *vha, fc_port_t *fcport,
1da177e4
LT		 3017 uint16_t *next_loopid)
3018{
3019 int rval;
3020 int retry;
3021 uint16_t tmp_loopid;
3022 uint16_t mb[MAILBOX_REGISTER_COUNT];
e315cd28 3023 struct qla_hw_data *ha = vha->hw;
1da177e4
LT		 3024
3025 retry = 0;
3026 tmp_loopid = 0;
3027
3028 for (;;) {
3029 DEBUG(printk("scsi(%ld): Trying Fabric Login w/loop id 0x%04x "
3030 "for port %02x%02x%02x.\n",
e315cd28 3031 vha->host_no, fcport->loop_id, fcport->d_id.b.domain,
1da177e4
LT		 3032 fcport->d_id.b.area, fcport->d_id.b.al_pa));
3033
3034 /* Login fcport on switch. */
e315cd28 3035 ha->isp_ops->fabric_login(vha, fcport->loop_id,
1da177e4
LT		 3036 fcport->d_id.b.domain, fcport->d_id.b.area,
3037 fcport->d_id.b.al_pa, mb, BIT_0);
3038 if (mb[0] == MBS_PORT_ID_USED) {
3039 /*
3040 * Device has another loop ID. The firmware team
0107109e
AV		 3041 * recommends the driver perform an implicit login with
3042 * the specified ID again. The ID we just used is save
3043 * here so we return with an ID that can be tried by
3044 * the next login.
1da177e4
LT		 3045 */
3046 retry++;
3047 tmp_loopid = fcport->loop_id;
3048 fcport->loop_id = mb[1];
3049
3050 DEBUG(printk("Fabric Login: port in use - next "
3051 "loop id=0x%04x, port Id=%02x%02x%02x.\n",
3052 fcport->loop_id, fcport->d_id.b.domain,
3053 fcport->d_id.b.area, fcport->d_id.b.al_pa));
3054
3055 } else if (mb[0] == MBS_COMMAND_COMPLETE) {
3056 /*
3057 * Login succeeded.
3058 */
3059 if (retry) {
3060 /* A retry occurred before. */
3061 *next_loopid = tmp_loopid;
3062 } else {
3063 /*
3064 * No retry occurred before. Just increment the
3065 * ID value for next login.
3066 */
3067 *next_loopid = (fcport->loop_id + 1);
3068 }
3069
3070 if (mb[1] & BIT_0) {
3071 fcport->port_type = FCT_INITIATOR;
3072 } else {
3073 fcport->port_type = FCT_TARGET;
3074 if (mb[1] & BIT_1) {
3075 fcport->flags |= FCF_TAPE_PRESENT;
3076 }
3077 }
3078
ad3e0eda
AV		 3079 if (mb[10] & BIT_0)
3080 fcport->supported_classes |= FC_COS_CLASS2;
3081 if (mb[10] & BIT_1)
3082 fcport->supported_classes |= FC_COS_CLASS3;
3083
1da177e4
LT		 3084 rval = QLA_SUCCESS;
3085 break;
3086 } else if (mb[0] == MBS_LOOP_ID_USED) {
3087 /*
3088 * Loop ID already used, try next loop ID.
3089 */
3090 fcport->loop_id++;
e315cd28 3091 rval = qla2x00_find_new_loop_id(vha, fcport);
1da177e4
LT		 3092 if (rval != QLA_SUCCESS) {
3093 /* Ran out of loop IDs to use */
3094 break;
3095 }
3096 } else if (mb[0] == MBS_COMMAND_ERROR) {
3097 /*
3098 * Firmware possibly timed out during login. If NO
3099 * retries are left to do then the device is declared
3100 * dead.
3101 */
3102 *next_loopid = fcport->loop_id;
e315cd28 3103 ha->isp_ops->fabric_logout(vha, fcport->loop_id,
1c7c6357
AV		 3104 fcport->d_id.b.domain, fcport->d_id.b.area,
3105 fcport->d_id.b.al_pa);
e315cd28 3106 qla2x00_mark_device_lost(vha, fcport, 1, 0);
1da177e4
LT		 3107
3108 rval = 1;
3109 break;
3110 } else {
3111 /*
3112 * unrecoverable / not handled error
3113 */
3114 DEBUG2(printk("%s(%ld): failed=%x port_id=%02x%02x%02x "
fa2a1ce5 3115 "loop_id=%x jiffies=%lx.\n",
e315cd28 3116 __func__, vha->host_no, mb[0],
1da177e4
LT		 3117 fcport->d_id.b.domain, fcport->d_id.b.area,
3118 fcport->d_id.b.al_pa, fcport->loop_id, jiffies));
3119
3120 *next_loopid = fcport->loop_id;
e315cd28 3121 ha->isp_ops->fabric_logout(vha, fcport->loop_id,
1c7c6357
AV		 3122 fcport->d_id.b.domain, fcport->d_id.b.area,
3123 fcport->d_id.b.al_pa);
1da177e4 3124 fcport->loop_id = FC_NO_LOOP_ID;
0eedfcf0 3125 fcport->login_retry = 0;
1da177e4
LT		 3126
3127 rval = 3;
3128 break;
3129 }
3130 }
3131
3132 return (rval);
3133}
3134
3135/*
3136 * qla2x00_local_device_login
3137 * Issue local device login command.
3138 *
3139 * Input:
3140 * ha = adapter block pointer.
3141 * loop_id = loop id of device to login to.
3142 *
3143 * Returns (Where's the #define!!!!):
3144 * 0 - Login successfully
3145 * 1 - Login failed
3146 * 3 - Fatal error
3147 */
3148int
e315cd28 3149qla2x00_local_device_login(scsi_qla_host_t *vha, fc_port_t *fcport)
1da177e4
LT		 3150{
3151 int rval;
3152 uint16_t mb[MAILBOX_REGISTER_COUNT];
3153
3154 memset(mb, 0, sizeof(mb));
e315cd28 3155 rval = qla2x00_login_local_device(vha, fcport, mb, BIT_0);
1da177e4
LT		 3156 if (rval == QLA_SUCCESS) {
3157 /* Interrogate mailbox registers for any errors */
3158 if (mb[0] == MBS_COMMAND_ERROR)
3159 rval = 1;
3160 else if (mb[0] == MBS_COMMAND_PARAMETER_ERROR)
3161 /* device not in PCB table */
3162 rval = 3;
3163 }
3164
3165 return (rval);
3166}
3167
3168/*
3169 * qla2x00_loop_resync
3170 * Resync with fibre channel devices.
3171 *
3172 * Input:
3173 * ha = adapter block pointer.
3174 *
3175 * Returns:
3176 * 0 = success
3177 */
3178int
e315cd28 3179qla2x00_loop_resync(scsi_qla_host_t *vha)
1da177e4 3180{
73208dfd 3181 int rval = QLA_SUCCESS;
1da177e4 3182 uint32_t wait_time;
67c2e93a
AC		 3183 struct req_que *req;
3184 struct rsp_que *rsp;
3185
3186 if (ql2xmultique_tag)
3187 req = vha->hw->req_q_map[0];
3188 else
3189 req = vha->req;
3190 rsp = req->rsp;
1da177e4 3191
e315cd28
AC		 3192 atomic_set(&vha->loop_state, LOOP_UPDATE);
3193 clear_bit(ISP_ABORT_RETRY, &vha->dpc_flags);
3194 if (vha->flags.online) {
3195 if (!(rval = qla2x00_fw_ready(vha))) {
1da177e4
LT		 3196 /* Wait at most MAX_TARGET RSCNs for a stable link. */
3197 wait_time = 256;
3198 do {
e315cd28 3199 atomic_set(&vha->loop_state, LOOP_UPDATE);
1da177e4 3200
0107109e 3201 /* Issue a marker after FW becomes ready. */
73208dfd
AC		 3202 qla2x00_marker(vha, req, rsp, 0, 0,
3203 MK_SYNC_ALL);
e315cd28 3204 vha->marker_needed = 0;
1da177e4
LT		 3205
3206 /* Remap devices on Loop. */
e315cd28 3207 clear_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags);
1da177e4 3208
e315cd28 3209 qla2x00_configure_loop(vha);
1da177e4 3210 wait_time--;
e315cd28
AC		 3211 } while (!atomic_read(&vha->loop_down_timer) &&
3212 !(test_bit(ISP_ABORT_NEEDED, &vha->dpc_flags))
3213 && wait_time && (test_bit(LOOP_RESYNC_NEEDED,
3214 &vha->dpc_flags)));
1da177e4 3215 }
1da177e4
LT		 3216 }
3217
e315cd28 3218 if (test_bit(ISP_ABORT_NEEDED, &vha->dpc_flags))
1da177e4 3219 return (QLA_FUNCTION_FAILED);
1da177e4 3220
e315cd28 3221 if (rval)
1da177e4 3222 DEBUG2_3(printk("%s(): **** FAILED ****\n", __func__));
1da177e4
LT		 3223
3224 return (rval);
3225}
3226
d97994dc 3227void
e315cd28 3228qla2x00_update_fcports(scsi_qla_host_t *vha)
d97994dc 3229{
3230 fc_port_t *fcport;
3231
3232 /* Go with deferred removal of rport references. */
e315cd28
AC		 3233 list_for_each_entry(fcport, &vha->vp_fcports, list)
3234 if (fcport && fcport->drport &&
c9c5ced9 3235 atomic_read(&fcport->state) != FCS_UNCONFIGURED)
d97994dc 3236 qla2x00_rport_del(fcport);
3237}
3238
1da177e4
LT		 3239/*
3240* qla2x00_abort_isp
3241* Resets ISP and aborts all outstanding commands.
3242*
3243* Input:
3244* ha = adapter block pointer.
3245*
3246* Returns:
3247* 0 = success
3248*/
3249int
e315cd28 3250qla2x00_abort_isp(scsi_qla_host_t *vha)
1da177e4 3251{
476e8978 3252 int rval;
1da177e4 3253 uint8_t status = 0;
e315cd28
AC		 3254 struct qla_hw_data *ha = vha->hw;
3255 struct scsi_qla_host *vp;
ee546b6e 3256 struct scsi_qla_host *tvp;
73208dfd 3257 struct req_que *req = ha->req_q_map[0];
1da177e4 3258
e315cd28
AC		 3259 if (vha->flags.online) {
3260 vha->flags.online = 0;
2533cf67 3261 ha->flags.chip_reset_done = 0;
e315cd28 3262 clear_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
e5f5f6f7 3263 ha->qla_stats.total_isp_aborts++;
1da177e4
LT		 3264
3265 qla_printk(KERN_INFO, ha,
3266 "Performing ISP error recovery - ha= %p.\n", ha);
e315cd28
AC		 3267 ha->isp_ops->reset_chip(vha);
3268
3269 atomic_set(&vha->loop_down_timer, LOOP_DOWN_TIME);
3270 if (atomic_read(&vha->loop_state) != LOOP_DOWN) {
3271 atomic_set(&vha->loop_state, LOOP_DOWN);
3272 qla2x00_mark_all_devices_lost(vha, 0);
ee546b6e 3273 list_for_each_entry_safe(vp, tvp, &ha->vp_list, list)
e315cd28 3274 qla2x00_mark_all_devices_lost(vp, 0);
1da177e4 3275 } else {
e315cd28
AC		 3276 if (!atomic_read(&vha->loop_down_timer))
3277 atomic_set(&vha->loop_down_timer,
1da177e4
LT		 3278 LOOP_DOWN_TIME);
3279 }
3280
1da177e4 3281 /* Requeue all commands in outstanding command list. */
e315cd28 3282 qla2x00_abort_all_cmds(vha, DID_RESET << 16);
1da177e4 3283
73208dfd 3284 ha->isp_ops->get_flash_version(vha, req->ring);
30c47662 3285
e315cd28 3286 ha->isp_ops->nvram_config(vha);
1da177e4 3287
e315cd28
AC		 3288 if (!qla2x00_restart_isp(vha)) {
3289 clear_bit(RESET_MARKER_NEEDED, &vha->dpc_flags);
1da177e4 3290
e315cd28 3291 if (!atomic_read(&vha->loop_down_timer)) {
1da177e4
LT		 3292 /*
3293 * Issue marker command only when we are going
3294 * to start the I/O .
3295 */
e315cd28 3296 vha->marker_needed = 1;
1da177e4
LT		 3297 }
3298
e315cd28 3299 vha->flags.online = 1;
1da177e4 3300
fd34f556 3301 ha->isp_ops->enable_intrs(ha);
1da177e4 3302
fa2a1ce5 3303 ha->isp_abort_cnt = 0;
e315cd28 3304 clear_bit(ISP_ABORT_RETRY, &vha->dpc_flags);
476e8978 3305
df613b96
AV		 3306 if (ha->fce) {
3307 ha->flags.fce_enabled = 1;
3308 memset(ha->fce, 0,
3309 fce_calc_size(ha->fce_bufs));
e315cd28 3310 rval = qla2x00_enable_fce_trace(vha,
df613b96
AV		 3311 ha->fce_dma, ha->fce_bufs, ha->fce_mb,
3312 &ha->fce_bufs);
3313 if (rval) {
3314 qla_printk(KERN_WARNING, ha,
3315 "Unable to reinitialize FCE "
3316 "(%d).\n", rval);
3317 ha->flags.fce_enabled = 0;
3318 }
3319 }
436a7b11
AV		 3320
3321 if (ha->eft) {
3322 memset(ha->eft, 0, EFT_SIZE);
e315cd28 3323 rval = qla2x00_enable_eft_trace(vha,
436a7b11
AV		 3324 ha->eft_dma, EFT_NUM_BUFFERS);
3325 if (rval) {
3326 qla_printk(KERN_WARNING, ha,
3327 "Unable to reinitialize EFT "
3328 "(%d).\n", rval);
3329 }
3330 }
1da177e4 3331 } else { /* failed the ISP abort */
e315cd28
AC		 3332 vha->flags.online = 1;
3333 if (test_bit(ISP_ABORT_RETRY, &vha->dpc_flags)) {
1da177e4
LT		 3334 if (ha->isp_abort_cnt == 0) {
3335 qla_printk(KERN_WARNING, ha,
3336 "ISP error recovery failed - "
3337 "board disabled\n");
fa2a1ce5 3338 /*
1da177e4
LT		 3339 * The next call disables the board
3340 * completely.
3341 */
e315cd28
AC		 3342 ha->isp_ops->reset_adapter(vha);
3343 vha->flags.online = 0;
1da177e4 3344 clear_bit(ISP_ABORT_RETRY,
e315cd28 3345 &vha->dpc_flags);
1da177e4
LT		 3346 status = 0;
3347 } else { /* schedule another ISP abort */
3348 ha->isp_abort_cnt--;
3349 DEBUG(printk("qla%ld: ISP abort - "
0107109e 3350 "retry remaining %d\n",
e315cd28 3351 vha->host_no, ha->isp_abort_cnt));
1da177e4
LT		 3352 status = 1;
3353 }
3354 } else {
3355 ha->isp_abort_cnt = MAX_RETRIES_OF_ISP_ABORT;
3356 DEBUG(printk("qla2x00(%ld): ISP error recovery "
3357 "- retrying (%d) more times\n",
e315cd28
AC		 3358 vha->host_no, ha->isp_abort_cnt));
3359 set_bit(ISP_ABORT_RETRY, &vha->dpc_flags);
1da177e4
LT		 3360 status = 1;
3361 }
3362 }
fa2a1ce5 3363
1da177e4
LT		 3364 }
3365
e315cd28
AC		 3366 if (!status) {
3367 DEBUG(printk(KERN_INFO
3368 "qla2x00_abort_isp(%ld): succeeded.\n",
3369 vha->host_no));
ee546b6e 3370 list_for_each_entry_safe(vp, tvp, &ha->vp_list, list) {
e315cd28
AC		 3371 if (vp->vp_idx)
3372 qla2x00_vp_abort_isp(vp);
3373 }
3374 } else {
1da177e4
LT		 3375 qla_printk(KERN_INFO, ha,
3376 "qla2x00_abort_isp: **** FAILED ****\n");
1da177e4
LT		 3377 }
3378
3379 return(status);
3380}
3381
3382/*
3383* qla2x00_restart_isp
3384* restarts the ISP after a reset
3385*
3386* Input:
3387* ha = adapter block pointer.
3388*
3389* Returns:
3390* 0 = success
3391*/
3392static int
e315cd28 3393qla2x00_restart_isp(scsi_qla_host_t *vha)
1da177e4 3394{
c6b2fca8 3395 int status = 0;
1da177e4 3396 uint32_t wait_time;
e315cd28 3397 struct qla_hw_data *ha = vha->hw;
73208dfd
AC		 3398 struct req_que *req = ha->req_q_map[0];
3399 struct rsp_que *rsp = ha->rsp_q_map[0];
1da177e4
LT		 3400
3401 /* If firmware needs to be loaded */
e315cd28
AC		 3402 if (qla2x00_isp_firmware(vha)) {
3403 vha->flags.online = 0;
3404 status = ha->isp_ops->chip_diag(vha);
3405 if (!status)
3406 status = qla2x00_setup_chip(vha);
1da177e4
LT		 3407 }
3408
e315cd28
AC		 3409 if (!status && !(status = qla2x00_init_rings(vha))) {
3410 clear_bit(RESET_MARKER_NEEDED, &vha->dpc_flags);
2533cf67 3411 ha->flags.chip_reset_done = 1;
73208dfd
AC		 3412 /* Initialize the queues in use */
3413 qla25xx_init_queues(ha);
3414
e315cd28
AC		 3415 status = qla2x00_fw_ready(vha);
3416 if (!status) {
1da177e4 3417 DEBUG(printk("%s(): Start configure loop, "
744f11fd 3418 "status = %d\n", __func__, status));
0107109e
AV		 3419
3420 /* Issue a marker after FW becomes ready. */
73208dfd 3421 qla2x00_marker(vha, req, rsp, 0, 0, MK_SYNC_ALL);
0107109e 3422
e315cd28 3423 vha->flags.online = 1;
1da177e4
LT		 3424 /* Wait at most MAX_TARGET RSCNs for a stable link. */
3425 wait_time = 256;
3426 do {
e315cd28
AC		 3427 clear_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags);
3428 qla2x00_configure_loop(vha);
1da177e4 3429 wait_time--;
e315cd28
AC		 3430 } while (!atomic_read(&vha->loop_down_timer) &&
3431 !(test_bit(ISP_ABORT_NEEDED, &vha->dpc_flags))
3432 && wait_time && (test_bit(LOOP_RESYNC_NEEDED,
3433 &vha->dpc_flags)));
1da177e4
LT		 3434 }
3435
3436 /* if no cable then assume it's good */
e315cd28 3437 if ((vha->device_flags & DFLG_NO_CABLE))
1da177e4
LT		 3438 status = 0;
3439
3440 DEBUG(printk("%s(): Configure loop done, status = 0x%x\n",
3441 __func__,
744f11fd 3442 status));
1da177e4
LT		 3443 }
3444 return (status);
3445}
3446
73208dfd
AC		 3447static int
3448qla25xx_init_queues(struct qla_hw_data *ha)
3449{
3450 struct rsp_que *rsp = NULL;
3451 struct req_que *req = NULL;
3452 struct scsi_qla_host *base_vha = pci_get_drvdata(ha->pdev);
3453 int ret = -1;
3454 int i;
3455
2afa19a9 3456 for (i = 1; i < ha->max_rsp_queues; i++) {
73208dfd
AC		 3457 rsp = ha->rsp_q_map[i];
3458 if (rsp) {
3459 rsp->options &= ~BIT_0;
618a7523 3460 ret = qla25xx_init_rsp_que(base_vha, rsp);
73208dfd
AC		 3461 if (ret != QLA_SUCCESS)
3462 DEBUG2_17(printk(KERN_WARNING
3463 "%s Rsp que:%d init failed\n", __func__,
3464 rsp->id));
3465 else
3466 DEBUG2_17(printk(KERN_INFO
3467 "%s Rsp que:%d inited\n", __func__,
3468 rsp->id));
3469 }
2afa19a9
AC		 3470 }
3471 for (i = 1; i < ha->max_req_queues; i++) {
73208dfd
AC		 3472 req = ha->req_q_map[i];
3473 if (req) {
29bdccbe 3474 /* Clear outstanding commands array. */
73208dfd 3475 req->options &= ~BIT_0;
618a7523 3476 ret = qla25xx_init_req_que(base_vha, req);
73208dfd
AC		 3477 if (ret != QLA_SUCCESS)
3478 DEBUG2_17(printk(KERN_WARNING
3479 "%s Req que:%d init failed\n", __func__,
3480 req->id));
3481 else
3482 DEBUG2_17(printk(KERN_WARNING
29bdccbe 3483 "%s Req que:%d inited\n", __func__,
73208dfd
AC		 3484 req->id));
3485 }
3486 }
3487 return ret;
3488}
3489
1da177e4
LT		 3490/*
3491* qla2x00_reset_adapter
3492* Reset adapter.
3493*
3494* Input:
3495* ha = adapter block pointer.
3496*/
abbd8870 3497void
e315cd28 3498qla2x00_reset_adapter(scsi_qla_host_t *vha)
1da177e4
LT		 3499{
3500 unsigned long flags = 0;
e315cd28 3501 struct qla_hw_data *ha = vha->hw;
3d71644c 3502 struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
1da177e4 3503
e315cd28 3504 vha->flags.online = 0;
fd34f556 3505 ha->isp_ops->disable_intrs(ha);
1da177e4 3506
1da177e4
LT		 3507 spin_lock_irqsave(&ha->hardware_lock, flags);
3508 WRT_REG_WORD(&reg->hccr, HCCR_RESET_RISC);
3509 RD_REG_WORD(&reg->hccr); /* PCI Posting. */
3510 WRT_REG_WORD(&reg->hccr, HCCR_RELEASE_RISC);
3511 RD_REG_WORD(&reg->hccr); /* PCI Posting. */
3512 spin_unlock_irqrestore(&ha->hardware_lock, flags);
3513}
0107109e
AV		 3514
3515void
e315cd28 3516qla24xx_reset_adapter(scsi_qla_host_t *vha)
0107109e
AV		 3517{
3518 unsigned long flags = 0;
e315cd28 3519 struct qla_hw_data *ha = vha->hw;
0107109e
AV		 3520 struct device_reg_24xx __iomem *reg = &ha->iobase->isp24;
3521
e315cd28 3522 vha->flags.online = 0;
fd34f556 3523 ha->isp_ops->disable_intrs(ha);
0107109e
AV		 3524
3525 spin_lock_irqsave(&ha->hardware_lock, flags);
3526 WRT_REG_DWORD(&reg->hccr, HCCRX_SET_RISC_RESET);
3527 RD_REG_DWORD(&reg->hccr);
3528 WRT_REG_DWORD(&reg->hccr, HCCRX_REL_RISC_PAUSE);
3529 RD_REG_DWORD(&reg->hccr);
3530 spin_unlock_irqrestore(&ha->hardware_lock, flags);
09ff36d3
AV		 3531
3532 if (IS_NOPOLLING_TYPE(ha))
3533 ha->isp_ops->enable_intrs(ha);
0107109e
AV		 3534}
3535
4e08df3f
DM		 3536/* On sparc systems, obtain port and node WWN from firmware
3537 * properties.
3538 */
e315cd28
AC		 3539static void qla24xx_nvram_wwn_from_ofw(scsi_qla_host_t *vha,
3540 struct nvram_24xx *nv)
4e08df3f
DM		 3541{
3542#ifdef CONFIG_SPARC
e315cd28 3543 struct qla_hw_data *ha = vha->hw;
4e08df3f 3544 struct pci_dev *pdev = ha->pdev;
15576bc8
DM		 3545 struct device_node *dp = pci_device_to_OF_node(pdev);
3546 const u8 *val;
4e08df3f
DM		 3547 int len;
3548
3549 val = of_get_property(dp, "port-wwn", &len);
3550 if (val && len >= WWN_SIZE)
3551 memcpy(nv->port_name, val, WWN_SIZE);
3552
3553 val = of_get_property(dp, "node-wwn", &len);
3554 if (val && len >= WWN_SIZE)
3555 memcpy(nv->node_name, val, WWN_SIZE);
3556#endif
3557}
3558
0107109e 3559int
e315cd28 3560qla24xx_nvram_config(scsi_qla_host_t *vha)
0107109e 3561{
4e08df3f 3562 int rval;
0107109e
AV		 3563 struct init_cb_24xx *icb;
3564 struct nvram_24xx *nv;
3565 uint32_t *dptr;
3566 uint8_t *dptr1, *dptr2;
3567 uint32_t chksum;
3568 uint16_t cnt;
e315cd28 3569 struct qla_hw_data *ha = vha->hw;
0107109e 3570
4e08df3f 3571 rval = QLA_SUCCESS;
0107109e 3572 icb = (struct init_cb_24xx *)ha->init_cb;
281afe19 3573 nv = ha->nvram;
0107109e
AV		 3574
3575 /* Determine NVRAM starting address. */
3576 ha->nvram_size = sizeof(struct nvram_24xx);
3577 ha->nvram_base = FA_NVRAM_FUNC0_ADDR;
6f641790 3578 ha->vpd_size = FA_NVRAM_VPD_SIZE;
3579 ha->vpd_base = FA_NVRAM_VPD0_ADDR;
3580 if (PCI_FUNC(ha->pdev->devfn)) {
0107109e 3581 ha->nvram_base = FA_NVRAM_FUNC1_ADDR;
6f641790 3582 ha->vpd_base = FA_NVRAM_VPD1_ADDR;
3583 }
0107109e 3584
281afe19
SJ		 3585 /* Get VPD data into cache */
3586 ha->vpd = ha->nvram + VPD_OFFSET;
e315cd28 3587 ha->isp_ops->read_nvram(vha, (uint8_t *)ha->vpd,
281afe19
SJ		 3588 ha->nvram_base - FA_NVRAM_FUNC0_ADDR, FA_NVRAM_VPD_SIZE * 4);
3589
3590 /* Get NVRAM data into cache and calculate checksum. */
0107109e 3591 dptr = (uint32_t *)nv;
e315cd28 3592 ha->isp_ops->read_nvram(vha, (uint8_t *)dptr, ha->nvram_base,
0107109e
AV		 3593 ha->nvram_size);
3594 for (cnt = 0, chksum = 0; cnt < ha->nvram_size >> 2; cnt++)
3595 chksum += le32_to_cpu(*dptr++);
3596
7640335e 3597 DEBUG5(printk("scsi(%ld): Contents of NVRAM\n", vha->host_no));
281afe19 3598 DEBUG5(qla2x00_dump_buffer((uint8_t *)nv, ha->nvram_size));
0107109e
AV		 3599
3600 /* Bad NVRAM data, set defaults parameters. */
3601 if (chksum || nv->id[0] != 'I' || nv->id[1] != 'S' || nv->id[2] != 'P'
3602 || nv->id[3] != ' ' ||
3603 nv->nvram_version < __constant_cpu_to_le16(ICB_VERSION)) {
3604 /* Reset NVRAM data. */
3605 qla_printk(KERN_WARNING, ha, "Inconsistent NVRAM detected: "
3606 "checksum=0x%x id=%c version=0x%x.\n", chksum, nv->id[0],
3607 le16_to_cpu(nv->nvram_version));
4e08df3f
DM		 3608 qla_printk(KERN_WARNING, ha, "Falling back to functioning (yet "
3609 "invalid -- WWPN) defaults.\n");
3610
3611 /*
3612 * Set default initialization control block.
3613 */
3614 memset(nv, 0, ha->nvram_size);
3615 nv->nvram_version = __constant_cpu_to_le16(ICB_VERSION);
3616 nv->version = __constant_cpu_to_le16(ICB_VERSION);
3617 nv->frame_payload_size = __constant_cpu_to_le16(2048);
3618 nv->execution_throttle = __constant_cpu_to_le16(0xFFFF);
3619 nv->exchange_count = __constant_cpu_to_le16(0);
3620 nv->hard_address = __constant_cpu_to_le16(124);
3621 nv->port_name[0] = 0x21;
3622 nv->port_name[1] = 0x00 + PCI_FUNC(ha->pdev->devfn);
3623 nv->port_name[2] = 0x00;
3624 nv->port_name[3] = 0xe0;
3625 nv->port_name[4] = 0x8b;
3626 nv->port_name[5] = 0x1c;
3627 nv->port_name[6] = 0x55;
3628 nv->port_name[7] = 0x86;
3629 nv->node_name[0] = 0x20;
3630 nv->node_name[1] = 0x00;
3631 nv->node_name[2] = 0x00;
3632 nv->node_name[3] = 0xe0;
3633 nv->node_name[4] = 0x8b;
3634 nv->node_name[5] = 0x1c;
3635 nv->node_name[6] = 0x55;
3636 nv->node_name[7] = 0x86;
e315cd28 3637 qla24xx_nvram_wwn_from_ofw(vha, nv);
4e08df3f
DM		 3638 nv->login_retry_count = __constant_cpu_to_le16(8);
3639 nv->interrupt_delay_timer = __constant_cpu_to_le16(0);
3640 nv->login_timeout = __constant_cpu_to_le16(0);
3641 nv->firmware_options_1 =
3642 __constant_cpu_to_le32(BIT_14|BIT_13|BIT_2|BIT_1);
3643 nv->firmware_options_2 = __constant_cpu_to_le32(2 << 4);
3644 nv->firmware_options_2 |= __constant_cpu_to_le32(BIT_12);
3645 nv->firmware_options_3 = __constant_cpu_to_le32(2 << 13);
3646 nv->host_p = __constant_cpu_to_le32(BIT_11|BIT_10);
3647 nv->efi_parameters = __constant_cpu_to_le32(0);
3648 nv->reset_delay = 5;
3649 nv->max_luns_per_target = __constant_cpu_to_le16(128);
3650 nv->port_down_retry_count = __constant_cpu_to_le16(30);
3651 nv->link_down_timeout = __constant_cpu_to_le16(30);
3652
3653 rval = 1;
0107109e
AV		 3654 }
3655
3656 /* Reset Initialization control block */
e315cd28 3657 memset(icb, 0, ha->init_cb_size);
0107109e
AV		 3658
3659 /* Copy 1st segment. */
3660 dptr1 = (uint8_t *)icb;
3661 dptr2 = (uint8_t *)&nv->version;
3662 cnt = (uint8_t *)&icb->response_q_inpointer - (uint8_t *)&icb->version;
3663 while (cnt--)
3664 *dptr1++ = *dptr2++;
3665
3666 icb->login_retry_count = nv->login_retry_count;
3ea66e28 3667 icb->link_down_on_nos = nv->link_down_on_nos;
0107109e
AV		 3668
3669 /* Copy 2nd segment. */
3670 dptr1 = (uint8_t *)&icb->interrupt_delay_timer;
3671 dptr2 = (uint8_t *)&nv->interrupt_delay_timer;
3672 cnt = (uint8_t *)&icb->reserved_3 -
3673 (uint8_t *)&icb->interrupt_delay_timer;
3674 while (cnt--)
3675 *dptr1++ = *dptr2++;
3676
3677 /*
3678 * Setup driver NVRAM options.
3679 */
e315cd28 3680 qla2x00_set_model_info(vha, nv->model_name, sizeof(nv->model_name),
9bb9fcf2 3681 "QLA2462");
0107109e 3682
5341e868
AV		 3683 /* Use alternate WWN? */
3684 if (nv->host_p & __constant_cpu_to_le32(BIT_15)) {
3685 memcpy(icb->node_name, nv->alternate_node_name, WWN_SIZE);
3686 memcpy(icb->port_name, nv->alternate_port_name, WWN_SIZE);
3687 }
3688
0107109e 3689 /* Prepare nodename */
fd0e7e4d 3690 if ((icb->firmware_options_1 & __constant_cpu_to_le32(BIT_14)) == 0) {
0107109e
AV		 3691 /*
3692 * Firmware will apply the following mask if the nodename was
3693 * not provided.
3694 */
3695 memcpy(icb->node_name, icb->port_name, WWN_SIZE);
3696 icb->node_name[0] &= 0xF0;
3697 }
3698
3699 /* Set host adapter parameters. */
3700 ha->flags.disable_risc_code_load = 0;
0c8c39af
AV		 3701 ha->flags.enable_lip_reset = 0;
3702 ha->flags.enable_lip_full_login =
3703 le32_to_cpu(nv->host_p) & BIT_10 ? 1: 0;
3704 ha->flags.enable_target_reset =
3705 le32_to_cpu(nv->host_p) & BIT_11 ? 1: 0;
0107109e 3706 ha->flags.enable_led_scheme = 0;
d4c760c2 3707 ha->flags.disable_serdes = le32_to_cpu(nv->host_p) & BIT_5 ? 1: 0;
0107109e 3708
fd0e7e4d
AV		 3709 ha->operating_mode = (le32_to_cpu(icb->firmware_options_2) &
3710 (BIT_6 | BIT_5 | BIT_4)) >> 4;
0107109e
AV		 3711
3712 memcpy(ha->fw_seriallink_options24, nv->seriallink_options,
3713 sizeof(ha->fw_seriallink_options24));
3714
3715 /* save HBA serial number */
3716 ha->serial0 = icb->port_name[5];
3717 ha->serial1 = icb->port_name[6];
3718 ha->serial2 = icb->port_name[7];
e315cd28
AC		 3719 memcpy(vha->node_name, icb->node_name, WWN_SIZE);
3720 memcpy(vha->port_name, icb->port_name, WWN_SIZE);
0107109e 3721
bc8fb3cb 3722 icb->execution_throttle = __constant_cpu_to_le16(0xFFFF);
3723
0107109e
AV		 3724 ha->retry_count = le16_to_cpu(nv->login_retry_count);
3725
3726 /* Set minimum login_timeout to 4 seconds. */
3727 if (le16_to_cpu(nv->login_timeout) < ql2xlogintimeout)
3728 nv->login_timeout = cpu_to_le16(ql2xlogintimeout);
3729 if (le16_to_cpu(nv->login_timeout) < 4)
3730 nv->login_timeout = __constant_cpu_to_le16(4);
3731 ha->login_timeout = le16_to_cpu(nv->login_timeout);
c6852c4c 3732 icb->login_timeout = nv->login_timeout;
0107109e 3733
00a537b8
AV		 3734 /* Set minimum RATOV to 100 tenths of a second. */
3735 ha->r_a_tov = 100;
0107109e
AV		 3736
3737 ha->loop_reset_delay = nv->reset_delay;
3738
3739 /* Link Down Timeout = 0:
3740 *
3741 * When Port Down timer expires we will start returning
3742 * I/O's to OS with "DID_NO_CONNECT".
3743 *
3744 * Link Down Timeout != 0:
3745 *
3746 * The driver waits for the link to come up after link down
3747 * before returning I/Os to OS with "DID_NO_CONNECT".
3748 */
3749 if (le16_to_cpu(nv->link_down_timeout) == 0) {
3750 ha->loop_down_abort_time =
3751 (LOOP_DOWN_TIME - LOOP_DOWN_TIMEOUT);
3752 } else {
3753 ha->link_down_timeout = le16_to_cpu(nv->link_down_timeout);
3754 ha->loop_down_abort_time =
3755 (LOOP_DOWN_TIME - ha->link_down_timeout);
3756 }
3757
3758 /* Need enough time to try and get the port back. */
3759 ha->port_down_retry_count = le16_to_cpu(nv->port_down_retry_count);
3760 if (qlport_down_retry)
3761 ha->port_down_retry_count = qlport_down_retry;
3762
3763 /* Set login_retry_count */
3764 ha->login_retry_count = le16_to_cpu(nv->login_retry_count);
3765 if (ha->port_down_retry_count ==
3766 le16_to_cpu(nv->port_down_retry_count) &&
3767 ha->port_down_retry_count > 3)
3768 ha->login_retry_count = ha->port_down_retry_count;
3769 else if (ha->port_down_retry_count > (int)ha->login_retry_count)
3770 ha->login_retry_count = ha->port_down_retry_count;
3771 if (ql2xloginretrycount)
3772 ha->login_retry_count = ql2xloginretrycount;
3773
4fdfefe5 3774 /* Enable ZIO. */
e315cd28 3775 if (!vha->flags.init_done) {
4fdfefe5
AV		 3776 ha->zio_mode = le32_to_cpu(icb->firmware_options_2) &
3777 (BIT_3 | BIT_2 | BIT_1 | BIT_0);
3778 ha->zio_timer = le16_to_cpu(icb->interrupt_delay_timer) ?
3779 le16_to_cpu(icb->interrupt_delay_timer): 2;
3780 }
3781 icb->firmware_options_2 &= __constant_cpu_to_le32(
3782 ~(BIT_3 | BIT_2 | BIT_1 | BIT_0));
e315cd28 3783 vha->flags.process_response_queue = 0;
4fdfefe5 3784 if (ha->zio_mode != QLA_ZIO_DISABLED) {
4a59f71d 3785 ha->zio_mode = QLA_ZIO_MODE_6;
3786
4fdfefe5 3787 DEBUG2(printk("scsi(%ld): ZIO mode %d enabled; timer delay "
e315cd28 3788 "(%d us).\n", vha->host_no, ha->zio_mode,
4fdfefe5
AV		 3789 ha->zio_timer * 100));
3790 qla_printk(KERN_INFO, ha,
3791 "ZIO mode %d enabled; timer delay (%d us).\n",
3792 ha->zio_mode, ha->zio_timer * 100);
3793
3794 icb->firmware_options_2 |= cpu_to_le32(
3795 (uint32_t)ha->zio_mode);
3796 icb->interrupt_delay_timer = cpu_to_le16(ha->zio_timer);
e315cd28 3797 vha->flags.process_response_queue = 1;
4fdfefe5
AV		 3798 }
3799
4e08df3f
DM		 3800 if (rval) {
3801 DEBUG2_3(printk(KERN_WARNING
e315cd28 3802 "scsi(%ld): NVRAM configuration failed!\n", vha->host_no));
4e08df3f
DM		 3803 }
3804 return (rval);
0107109e
AV		 3805}
3806
413975a0 3807static int
e315cd28 3808qla24xx_load_risc_flash(scsi_qla_host_t *vha, uint32_t *srisc_addr)
d1c61909 3809{
73208dfd 3810 int rval = QLA_SUCCESS;
d1c61909
AV		 3811 int segments, fragment;
3812 uint32_t faddr;
3813 uint32_t *dcode, dlen;
3814 uint32_t risc_addr;
3815 uint32_t risc_size;
3816 uint32_t i;
e315cd28 3817 struct qla_hw_data *ha = vha->hw;
73208dfd 3818 struct req_que *req = ha->req_q_map[0];
eaac30be
AV		 3819
3820 qla_printk(KERN_INFO, ha,
3821 "FW: Loading from flash (%x)...\n", ha->flt_region_fw);
3822
d1c61909
AV		 3823 rval = QLA_SUCCESS;
3824
3825 segments = FA_RISC_CODE_SEGMENTS;
c00d8994 3826 faddr = ha->flt_region_fw;
73208dfd 3827 dcode = (uint32_t *)req->ring;
d1c61909
AV		 3828 *srisc_addr = 0;
3829
3830 /* Validate firmware image by checking version. */
e315cd28 3831 qla24xx_read_flash_data(vha, dcode, faddr + 4, 4);
d1c61909
AV		 3832 for (i = 0; i < 4; i++)
3833 dcode[i] = be32_to_cpu(dcode[i]);
3834 if ((dcode[0] == 0xffffffff && dcode[1] == 0xffffffff &&
3835 dcode[2] == 0xffffffff && dcode[3] == 0xffffffff) ||
3836 (dcode[0] == 0 && dcode[1] == 0 && dcode[2] == 0 &&
3837 dcode[3] == 0)) {
3838 qla_printk(KERN_WARNING, ha,
3839 "Unable to verify integrity of flash firmware image!\n");
3840 qla_printk(KERN_WARNING, ha,
3841 "Firmware data: %08x %08x %08x %08x!\n", dcode[0],
3842 dcode[1], dcode[2], dcode[3]);
3843
3844 return QLA_FUNCTION_FAILED;
3845 }
3846
3847 while (segments && rval == QLA_SUCCESS) {
3848 /* Read segment's load information. */
e315cd28 3849 qla24xx_read_flash_data(vha, dcode, faddr, 4);
d1c61909
AV		 3850
3851 risc_addr = be32_to_cpu(dcode[2]);
3852 *srisc_addr = *srisc_addr == 0 ? risc_addr : *srisc_addr;
3853 risc_size = be32_to_cpu(dcode[3]);
3854
3855 fragment = 0;
3856 while (risc_size > 0 && rval == QLA_SUCCESS) {
3857 dlen = (uint32_t)(ha->fw_transfer_size >> 2);
3858 if (dlen > risc_size)
3859 dlen = risc_size;
3860
3861 DEBUG7(printk("scsi(%ld): Loading risc segment@ risc "
3862 "addr %x, number of dwords 0x%x, offset 0x%x.\n",
e315cd28 3863 vha->host_no, risc_addr, dlen, faddr));
d1c61909 3864
e315cd28 3865 qla24xx_read_flash_data(vha, dcode, faddr, dlen);
d1c61909
AV		 3866 for (i = 0; i < dlen; i++)
3867 dcode[i] = swab32(dcode[i]);
3868
73208dfd 3869 rval = qla2x00_load_ram(vha, req->dma, risc_addr,
d1c61909
AV		 3870 dlen);
3871 if (rval) {
3872 DEBUG(printk("scsi(%ld):[ERROR] Failed to load "
e315cd28 3873 "segment %d of firmware\n", vha->host_no,
d1c61909
AV		 3874 fragment));
3875 qla_printk(KERN_WARNING, ha,
3876 "[ERROR] Failed to load segment %d of "
3877 "firmware\n", fragment);
3878 break;
3879 }
3880
3881 faddr += dlen;
3882 risc_addr += dlen;
3883 risc_size -= dlen;
3884 fragment++;
3885 }
3886
3887 /* Next segment. */
3888 segments--;
3889 }
3890
3891 return rval;
3892}
3893
d1c61909
AV		 3894#define QLA_FW_URL "ftp://ftp.qlogic.com/outgoing/linux/firmware/"
3895
0107109e 3896int
e315cd28 3897qla2x00_load_risc(scsi_qla_host_t *vha, uint32_t *srisc_addr)
5433383e
AV		 3898{
3899 int rval;
3900 int i, fragment;
3901 uint16_t *wcode, *fwcode;
3902 uint32_t risc_addr, risc_size, fwclen, wlen, *seg;
3903 struct fw_blob *blob;
e315cd28 3904 struct qla_hw_data *ha = vha->hw;
73208dfd 3905 struct req_que *req = ha->req_q_map[0];
5433383e
AV		 3906
3907 /* Load firmware blob. */
e315cd28 3908 blob = qla2x00_request_firmware(vha);
5433383e
AV		 3909 if (!blob) {
3910 qla_printk(KERN_ERR, ha, "Firmware image unavailable.\n");
d1c61909
AV		 3911 qla_printk(KERN_ERR, ha, "Firmware images can be retrieved "
3912 "from: " QLA_FW_URL ".\n");
5433383e
AV		 3913 return QLA_FUNCTION_FAILED;
3914 }
3915
3916 rval = QLA_SUCCESS;
3917
73208dfd 3918 wcode = (uint16_t *)req->ring;
5433383e
AV		 3919 *srisc_addr = 0;
3920 fwcode = (uint16_t *)blob->fw->data;
3921 fwclen = 0;
3922
3923 /* Validate firmware image by checking version. */
3924 if (blob->fw->size < 8 * sizeof(uint16_t)) {
3925 qla_printk(KERN_WARNING, ha,
3926 "Unable to verify integrity of firmware image (%Zd)!\n",
3927 blob->fw->size);
3928 goto fail_fw_integrity;
3929 }
3930 for (i = 0; i < 4; i++)
3931 wcode[i] = be16_to_cpu(fwcode[i + 4]);
3932 if ((wcode[0] == 0xffff && wcode[1] == 0xffff && wcode[2] == 0xffff &&
3933 wcode[3] == 0xffff) || (wcode[0] == 0 && wcode[1] == 0 &&
3934 wcode[2] == 0 && wcode[3] == 0)) {
3935 qla_printk(KERN_WARNING, ha,
3936 "Unable to verify integrity of firmware image!\n");
3937 qla_printk(KERN_WARNING, ha,
3938 "Firmware data: %04x %04x %04x %04x!\n", wcode[0],
3939 wcode[1], wcode[2], wcode[3]);
3940 goto fail_fw_integrity;
3941 }
3942
3943 seg = blob->segs;
3944 while (*seg && rval == QLA_SUCCESS) {
3945 risc_addr = *seg;
3946 *srisc_addr = *srisc_addr == 0 ? *seg : *srisc_addr;
3947 risc_size = be16_to_cpu(fwcode[3]);
3948
3949 /* Validate firmware image size. */
3950 fwclen += risc_size * sizeof(uint16_t);
3951 if (blob->fw->size < fwclen) {
3952 qla_printk(KERN_WARNING, ha,
3953 "Unable to verify integrity of firmware image "
3954 "(%Zd)!\n", blob->fw->size);
3955 goto fail_fw_integrity;
3956 }
3957
3958 fragment = 0;
3959 while (risc_size > 0 && rval == QLA_SUCCESS) {
3960 wlen = (uint16_t)(ha->fw_transfer_size >> 1);
3961 if (wlen > risc_size)
3962 wlen = risc_size;
3963
3964 DEBUG7(printk("scsi(%ld): Loading risc segment@ risc "
e315cd28 3965 "addr %x, number of words 0x%x.\n", vha->host_no,
5433383e
AV		 3966 risc_addr, wlen));
3967
3968 for (i = 0; i < wlen; i++)
3969 wcode[i] = swab16(fwcode[i]);
3970
73208dfd 3971 rval = qla2x00_load_ram(vha, req->dma, risc_addr,
5433383e
AV		 3972 wlen);
3973 if (rval) {
3974 DEBUG(printk("scsi(%ld):[ERROR] Failed to load "
e315cd28 3975 "segment %d of firmware\n", vha->host_no,
5433383e
AV		 3976 fragment));
3977 qla_printk(KERN_WARNING, ha,
3978 "[ERROR] Failed to load segment %d of "
3979 "firmware\n", fragment);
3980 break;
3981 }
3982
3983 fwcode += wlen;
3984 risc_addr += wlen;
3985 risc_size -= wlen;
3986 fragment++;
3987 }
3988
3989 /* Next segment. */
3990 seg++;
3991 }
3992 return rval;
3993
3994fail_fw_integrity:
3995 return QLA_FUNCTION_FAILED;
3996}
3997
eaac30be
AV		 3998static int
3999qla24xx_load_risc_blob(scsi_qla_host_t *vha, uint32_t *srisc_addr)
0107109e
AV		 4000{
4001 int rval;
4002 int segments, fragment;
4003 uint32_t *dcode, dlen;
4004 uint32_t risc_addr;
4005 uint32_t risc_size;
4006 uint32_t i;
5433383e 4007 struct fw_blob *blob;
0107109e 4008 uint32_t *fwcode, fwclen;
e315cd28 4009 struct qla_hw_data *ha = vha->hw;
73208dfd 4010 struct req_que *req = ha->req_q_map[0];
0107109e 4011
5433383e 4012 /* Load firmware blob. */
e315cd28 4013 blob = qla2x00_request_firmware(vha);
5433383e
AV		 4014 if (!blob) {
4015 qla_printk(KERN_ERR, ha, "Firmware image unavailable.\n");
d1c61909
AV		 4016 qla_printk(KERN_ERR, ha, "Firmware images can be retrieved "
4017 "from: " QLA_FW_URL ".\n");
4018
eaac30be 4019 return QLA_FUNCTION_FAILED;
0107109e
AV		 4020 }
4021
eaac30be
AV		 4022 qla_printk(KERN_INFO, ha,
4023 "FW: Loading via request-firmware...\n");
4024
0107109e
AV		 4025 rval = QLA_SUCCESS;
4026
4027 segments = FA_RISC_CODE_SEGMENTS;
73208dfd 4028 dcode = (uint32_t *)req->ring;
0107109e 4029 *srisc_addr = 0;
5433383e 4030 fwcode = (uint32_t *)blob->fw->data;
0107109e
AV		 4031 fwclen = 0;
4032
4033 /* Validate firmware image by checking version. */
5433383e 4034 if (blob->fw->size < 8 * sizeof(uint32_t)) {
0107109e 4035 qla_printk(KERN_WARNING, ha,
5433383e
AV		 4036 "Unable to verify integrity of firmware image (%Zd)!\n",
4037 blob->fw->size);
0107109e
AV		 4038 goto fail_fw_integrity;
4039 }
4040 for (i = 0; i < 4; i++)
4041 dcode[i] = be32_to_cpu(fwcode[i + 4]);
4042 if ((dcode[0] == 0xffffffff && dcode[1] == 0xffffffff &&
4043 dcode[2] == 0xffffffff && dcode[3] == 0xffffffff) ||
4044 (dcode[0] == 0 && dcode[1] == 0 && dcode[2] == 0 &&
4045 dcode[3] == 0)) {
4046 qla_printk(KERN_WARNING, ha,
5433383e 4047 "Unable to verify integrity of firmware image!\n");
0107109e
AV		 4048 qla_printk(KERN_WARNING, ha,
4049 "Firmware data: %08x %08x %08x %08x!\n", dcode[0],
4050 dcode[1], dcode[2], dcode[3]);
4051 goto fail_fw_integrity;
4052 }
4053
4054 while (segments && rval == QLA_SUCCESS) {
4055 risc_addr = be32_to_cpu(fwcode[2]);
4056 *srisc_addr = *srisc_addr == 0 ? risc_addr : *srisc_addr;
4057 risc_size = be32_to_cpu(fwcode[3]);
4058
4059 /* Validate firmware image size. */
4060 fwclen += risc_size * sizeof(uint32_t);
5433383e 4061 if (blob->fw->size < fwclen) {
0107109e 4062 qla_printk(KERN_WARNING, ha,
5433383e
AV		 4063 "Unable to verify integrity of firmware image "
4064 "(%Zd)!\n", blob->fw->size);
4065
0107109e
AV		 4066 goto fail_fw_integrity;
4067 }
4068
4069 fragment = 0;
4070 while (risc_size > 0 && rval == QLA_SUCCESS) {
4071 dlen = (uint32_t)(ha->fw_transfer_size >> 2);
4072 if (dlen > risc_size)
4073 dlen = risc_size;
4074
4075 DEBUG7(printk("scsi(%ld): Loading risc segment@ risc "
e315cd28 4076 "addr %x, number of dwords 0x%x.\n", vha->host_no,
0107109e
AV		 4077 risc_addr, dlen));
4078
4079 for (i = 0; i < dlen; i++)
4080 dcode[i] = swab32(fwcode[i]);
4081
73208dfd 4082 rval = qla2x00_load_ram(vha, req->dma, risc_addr,
590f98e5 4083 dlen);
0107109e
AV		 4084 if (rval) {
4085 DEBUG(printk("scsi(%ld):[ERROR] Failed to load "
e315cd28 4086 "segment %d of firmware\n", vha->host_no,
0107109e
AV		 4087 fragment));
4088 qla_printk(KERN_WARNING, ha,
4089 "[ERROR] Failed to load segment %d of "
4090 "firmware\n", fragment);
4091 break;
4092 }
4093
4094 fwcode += dlen;
4095 risc_addr += dlen;
4096 risc_size -= dlen;
4097 fragment++;
4098 }
4099
4100 /* Next segment. */
4101 segments--;
4102 }
0107109e
AV		 4103 return rval;
4104
4105fail_fw_integrity:
0107109e 4106 return QLA_FUNCTION_FAILED;
0107109e 4107}
18c6c127 4108
eaac30be
AV		 4109int
4110qla24xx_load_risc(scsi_qla_host_t *vha, uint32_t *srisc_addr)
4111{
4112 int rval;
4113
4114 /*
4115 * FW Load priority:
4116 * 1) Firmware via request-firmware interface (.bin file).
4117 * 2) Firmware residing in flash.
4118 */
4119 rval = qla24xx_load_risc_blob(vha, srisc_addr);
4120 if (rval == QLA_SUCCESS)
4121 return rval;
4122
4123 return qla24xx_load_risc_flash(vha, srisc_addr);
4124}
4125
4126int
4127qla81xx_load_risc(scsi_qla_host_t *vha, uint32_t *srisc_addr)
4128{
4129 int rval;
4130
4131 /*
4132 * FW Load priority:
4133 * 1) Firmware residing in flash.
4134 * 2) Firmware via request-firmware interface (.bin file).
4135 */
4136 rval = qla24xx_load_risc_flash(vha, srisc_addr);
4137 if (rval == QLA_SUCCESS)
4138 return rval;
4139
4140 return qla24xx_load_risc_blob(vha, srisc_addr);
4141}
4142
18c6c127 4143void
e315cd28 4144qla2x00_try_to_stop_firmware(scsi_qla_host_t *vha)
18c6c127
AV		 4145{
4146 int ret, retries;
e315cd28 4147 struct qla_hw_data *ha = vha->hw;
18c6c127 4148
e428924c 4149 if (!IS_FWI2_CAPABLE(ha))
18c6c127 4150 return;
75edf81d
AV		 4151 if (!ha->fw_major_version)
4152 return;
18c6c127 4153
e315cd28 4154 ret = qla2x00_stop_firmware(vha);
7c7f1f29 4155 for (retries = 5; ret != QLA_SUCCESS && ret != QLA_FUNCTION_TIMEOUT &&
b469a7cb 4156 ret != QLA_INVALID_COMMAND && retries ; retries--) {
e315cd28
AC		 4157 ha->isp_ops->reset_chip(vha);
4158 if (ha->isp_ops->chip_diag(vha) != QLA_SUCCESS)
18c6c127 4159 continue;
e315cd28 4160 if (qla2x00_setup_chip(vha) != QLA_SUCCESS)
18c6c127
AV		 4161 continue;
4162 qla_printk(KERN_INFO, ha,
4163 "Attempting retry of stop-firmware command...\n");
e315cd28 4164 ret = qla2x00_stop_firmware(vha);
18c6c127
AV		 4165 }
4166}
2c3dfe3f
SJ		 4167
4168int
e315cd28 4169qla24xx_configure_vhba(scsi_qla_host_t *vha)
2c3dfe3f
SJ		 4170{
4171 int rval = QLA_SUCCESS;
4172 uint16_t mb[MAILBOX_REGISTER_COUNT];
e315cd28
AC		 4173 struct qla_hw_data *ha = vha->hw;
4174 struct scsi_qla_host *base_vha = pci_get_drvdata(ha->pdev);
67c2e93a
AC		 4175 struct req_que *req;
4176 struct rsp_que *rsp;
2c3dfe3f 4177
e315cd28 4178 if (!vha->vp_idx)
2c3dfe3f
SJ		 4179 return -EINVAL;
4180
e315cd28 4181 rval = qla2x00_fw_ready(base_vha);
67c2e93a
AC		 4182 if (ql2xmultique_tag)
4183 req = ha->req_q_map[0];
4184 else
4185 req = vha->req;
4186 rsp = req->rsp;
4187
2c3dfe3f 4188 if (rval == QLA_SUCCESS) {
e315cd28 4189 clear_bit(RESET_MARKER_NEEDED, &vha->dpc_flags);
73208dfd 4190 qla2x00_marker(vha, req, rsp, 0, 0, MK_SYNC_ALL);
2c3dfe3f
SJ		 4191 }
4192
e315cd28 4193 vha->flags.management_server_logged_in = 0;
2c3dfe3f
SJ		 4194
4195 /* Login to SNS first */
e315cd28 4196 ha->isp_ops->fabric_login(vha, NPH_SNS, 0xff, 0xff, 0xfc, mb, BIT_1);
2c3dfe3f
SJ		 4197 if (mb[0] != MBS_COMMAND_COMPLETE) {
4198 DEBUG15(qla_printk(KERN_INFO, ha,
4199 "Failed SNS login: loop_id=%x mb[0]=%x mb[1]=%x "
4200 "mb[2]=%x mb[6]=%x mb[7]=%x\n", NPH_SNS,
4201 mb[0], mb[1], mb[2], mb[6], mb[7]));
4202 return (QLA_FUNCTION_FAILED);
4203 }
4204
e315cd28
AC		 4205 atomic_set(&vha->loop_down_timer, 0);
4206 atomic_set(&vha->loop_state, LOOP_UP);
4207 set_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags);
4208 set_bit(LOCAL_LOOP_UPDATE, &vha->dpc_flags);
4209 rval = qla2x00_loop_resync(base_vha);
2c3dfe3f
SJ		 4210
4211 return rval;
4212}
4d4df193
HK		 4213
4214/* 84XX Support **************************************************************/
4215
4216static LIST_HEAD(qla_cs84xx_list);
4217static DEFINE_MUTEX(qla_cs84xx_mutex);
4218
4219static struct qla_chip_state_84xx *
e315cd28 4220qla84xx_get_chip(struct scsi_qla_host *vha)
4d4df193
HK		 4221{
4222 struct qla_chip_state_84xx *cs84xx;
e315cd28 4223 struct qla_hw_data *ha = vha->hw;
4d4df193
HK		 4224
4225 mutex_lock(&qla_cs84xx_mutex);
4226
4227 /* Find any shared 84xx chip. */
4228 list_for_each_entry(cs84xx, &qla_cs84xx_list, list) {
4229 if (cs84xx->bus == ha->pdev->bus) {
4230 kref_get(&cs84xx->kref);
4231 goto done;
4232 }
4233 }
4234
4235 cs84xx = kzalloc(sizeof(*cs84xx), GFP_KERNEL);
4236 if (!cs84xx)
4237 goto done;
4238
4239 kref_init(&cs84xx->kref);
4240 spin_lock_init(&cs84xx->access_lock);
4241 mutex_init(&cs84xx->fw_update_mutex);
4242 cs84xx->bus = ha->pdev->bus;
4243
4244 list_add_tail(&cs84xx->list, &qla_cs84xx_list);
4245done:
4246 mutex_unlock(&qla_cs84xx_mutex);
4247 return cs84xx;
4248}
4249
4250static void
4251__qla84xx_chip_release(struct kref *kref)
4252{
4253 struct qla_chip_state_84xx *cs84xx =
4254 container_of(kref, struct qla_chip_state_84xx, kref);
4255
4256 mutex_lock(&qla_cs84xx_mutex);
4257 list_del(&cs84xx->list);
4258 mutex_unlock(&qla_cs84xx_mutex);
4259 kfree(cs84xx);
4260}
4261
4262void
e315cd28 4263qla84xx_put_chip(struct scsi_qla_host *vha)
4d4df193 4264{
e315cd28 4265 struct qla_hw_data *ha = vha->hw;
4d4df193
HK		 4266 if (ha->cs84xx)
4267 kref_put(&ha->cs84xx->kref, __qla84xx_chip_release);
4268}
4269
4270static int
e315cd28 4271qla84xx_init_chip(scsi_qla_host_t *vha)
4d4df193
HK		 4272{
4273 int rval;
4274 uint16_t status[2];
e315cd28 4275 struct qla_hw_data *ha = vha->hw;
4d4df193
HK		 4276
4277 mutex_lock(&ha->cs84xx->fw_update_mutex);
4278
e315cd28 4279 rval = qla84xx_verify_chip(vha, status);
4d4df193
HK		 4280
4281 mutex_unlock(&ha->cs84xx->fw_update_mutex);
4282
4283 return rval != QLA_SUCCESS || status[0] ? QLA_FUNCTION_FAILED:
4284 QLA_SUCCESS;
4285}
3a03eb79
AV		 4286
4287/* 81XX Support **************************************************************/
4288
4289int
4290qla81xx_nvram_config(scsi_qla_host_t *vha)
4291{
4292 int rval;
4293 struct init_cb_81xx *icb;
4294 struct nvram_81xx *nv;
4295 uint32_t *dptr;
4296 uint8_t *dptr1, *dptr2;
4297 uint32_t chksum;
4298 uint16_t cnt;
4299 struct qla_hw_data *ha = vha->hw;
4300
4301 rval = QLA_SUCCESS;
4302 icb = (struct init_cb_81xx *)ha->init_cb;
4303 nv = ha->nvram;
4304
4305 /* Determine NVRAM starting address. */
4306 ha->nvram_size = sizeof(struct nvram_81xx);
3a03eb79 4307 ha->vpd_size = FA_NVRAM_VPD_SIZE;
3a03eb79
AV		 4308
4309 /* Get VPD data into cache */
4310 ha->vpd = ha->nvram + VPD_OFFSET;
3d79038f
AV		 4311 ha->isp_ops->read_optrom(vha, ha->vpd, ha->flt_region_vpd << 2,
4312 ha->vpd_size);
3a03eb79
AV		 4313
4314 /* Get NVRAM data into cache and calculate checksum. */
3d79038f 4315 ha->isp_ops->read_optrom(vha, ha->nvram, ha->flt_region_nvram << 2,
3a03eb79 4316 ha->nvram_size);
3d79038f 4317 dptr = (uint32_t *)nv;
3a03eb79
AV		 4318 for (cnt = 0, chksum = 0; cnt < ha->nvram_size >> 2; cnt++)
4319 chksum += le32_to_cpu(*dptr++);
4320
7640335e 4321 DEBUG5(printk("scsi(%ld): Contents of NVRAM\n", vha->host_no));
3a03eb79
AV		 4322 DEBUG5(qla2x00_dump_buffer((uint8_t *)nv, ha->nvram_size));
4323
4324 /* Bad NVRAM data, set defaults parameters. */
4325 if (chksum || nv->id[0] != 'I' || nv->id[1] != 'S' || nv->id[2] != 'P'
4326 || nv->id[3] != ' ' ||
4327 nv->nvram_version < __constant_cpu_to_le16(ICB_VERSION)) {
4328 /* Reset NVRAM data. */
4329 qla_printk(KERN_WARNING, ha, "Inconsistent NVRAM detected: "
4330 "checksum=0x%x id=%c version=0x%x.\n", chksum, nv->id[0],
4331 le16_to_cpu(nv->nvram_version));
4332 qla_printk(KERN_WARNING, ha, "Falling back to functioning (yet "
4333 "invalid -- WWPN) defaults.\n");
4334
4335 /*
4336 * Set default initialization control block.
4337 */
4338 memset(nv, 0, ha->nvram_size);
4339 nv->nvram_version = __constant_cpu_to_le16(ICB_VERSION);
4340 nv->version = __constant_cpu_to_le16(ICB_VERSION);
4341 nv->frame_payload_size = __constant_cpu_to_le16(2048);
4342 nv->execution_throttle = __constant_cpu_to_le16(0xFFFF);
4343 nv->exchange_count = __constant_cpu_to_le16(0);
4344 nv->port_name[0] = 0x21;
4345 nv->port_name[1] = 0x00 + PCI_FUNC(ha->pdev->devfn);
4346 nv->port_name[2] = 0x00;
4347 nv->port_name[3] = 0xe0;
4348 nv->port_name[4] = 0x8b;
4349 nv->port_name[5] = 0x1c;
4350 nv->port_name[6] = 0x55;
4351 nv->port_name[7] = 0x86;
4352 nv->node_name[0] = 0x20;
4353 nv->node_name[1] = 0x00;
4354 nv->node_name[2] = 0x00;
4355 nv->node_name[3] = 0xe0;
4356 nv->node_name[4] = 0x8b;
4357 nv->node_name[5] = 0x1c;
4358 nv->node_name[6] = 0x55;
4359 nv->node_name[7] = 0x86;
4360 nv->login_retry_count = __constant_cpu_to_le16(8);
4361 nv->interrupt_delay_timer = __constant_cpu_to_le16(0);
4362 nv->login_timeout = __constant_cpu_to_le16(0);
4363 nv->firmware_options_1 =
4364 __constant_cpu_to_le32(BIT_14|BIT_13|BIT_2|BIT_1);
4365 nv->firmware_options_2 = __constant_cpu_to_le32(2 << 4);
4366 nv->firmware_options_2 |= __constant_cpu_to_le32(BIT_12);
4367 nv->firmware_options_3 = __constant_cpu_to_le32(2 << 13);
4368 nv->host_p = __constant_cpu_to_le32(BIT_11|BIT_10);
4369 nv->efi_parameters = __constant_cpu_to_le32(0);
4370 nv->reset_delay = 5;
4371 nv->max_luns_per_target = __constant_cpu_to_le16(128);
4372 nv->port_down_retry_count = __constant_cpu_to_le16(30);
4373 nv->link_down_timeout = __constant_cpu_to_le16(30);
4374 nv->enode_mac[0] = 0x01;
4375 nv->enode_mac[1] = 0x02;
4376 nv->enode_mac[2] = 0x03;
4377 nv->enode_mac[3] = 0x04;
4378 nv->enode_mac[4] = 0x05;
4379 nv->enode_mac[5] = 0x06 + PCI_FUNC(ha->pdev->devfn);
4380
4381 rval = 1;
4382 }
4383
4384 /* Reset Initialization control block */
4385 memset(icb, 0, sizeof(struct init_cb_81xx));
4386
4387 /* Copy 1st segment. */
4388 dptr1 = (uint8_t *)icb;
4389 dptr2 = (uint8_t *)&nv->version;
4390 cnt = (uint8_t *)&icb->response_q_inpointer - (uint8_t *)&icb->version;
4391 while (cnt--)
4392 *dptr1++ = *dptr2++;
4393
4394 icb->login_retry_count = nv->login_retry_count;
4395
4396 /* Copy 2nd segment. */
4397 dptr1 = (uint8_t *)&icb->interrupt_delay_timer;
4398 dptr2 = (uint8_t *)&nv->interrupt_delay_timer;
4399 cnt = (uint8_t *)&icb->reserved_5 -
4400 (uint8_t *)&icb->interrupt_delay_timer;
4401 while (cnt--)
4402 *dptr1++ = *dptr2++;
4403
4404 memcpy(icb->enode_mac, nv->enode_mac, sizeof(icb->enode_mac));
4405 /* Some boards (with valid NVRAMs) still have NULL enode_mac!! */
4406 if (!memcmp(icb->enode_mac, "\0\0\0\0\0\0", sizeof(icb->enode_mac))) {
4407 icb->enode_mac[0] = 0x01;
4408 icb->enode_mac[1] = 0x02;
4409 icb->enode_mac[2] = 0x03;
4410 icb->enode_mac[3] = 0x04;
4411 icb->enode_mac[4] = 0x05;
4412 icb->enode_mac[5] = 0x06 + PCI_FUNC(ha->pdev->devfn);
4413 }
4414
b64b0e8f
AV		 4415 /* Use extended-initialization control block. */
4416 memcpy(ha->ex_init_cb, &nv->ex_version, sizeof(*ha->ex_init_cb));
4417
3a03eb79
AV		 4418 /*
4419 * Setup driver NVRAM options.
4420 */
4421 qla2x00_set_model_info(vha, nv->model_name, sizeof(nv->model_name),
4422 "QLE81XX");
4423
4424 /* Use alternate WWN? */
4425 if (nv->host_p & __constant_cpu_to_le32(BIT_15)) {
4426 memcpy(icb->node_name, nv->alternate_node_name, WWN_SIZE);
4427 memcpy(icb->port_name, nv->alternate_port_name, WWN_SIZE);
4428 }
4429
4430 /* Prepare nodename */
4431 if ((icb->firmware_options_1 & __constant_cpu_to_le32(BIT_14)) == 0) {
4432 /*
4433 * Firmware will apply the following mask if the nodename was
4434 * not provided.
4435 */
4436 memcpy(icb->node_name, icb->port_name, WWN_SIZE);
4437 icb->node_name[0] &= 0xF0;
4438 }
4439
4440 /* Set host adapter parameters. */
4441 ha->flags.disable_risc_code_load = 0;
4442 ha->flags.enable_lip_reset = 0;
4443 ha->flags.enable_lip_full_login =
4444 le32_to_cpu(nv->host_p) & BIT_10 ? 1: 0;
4445 ha->flags.enable_target_reset =
4446 le32_to_cpu(nv->host_p) & BIT_11 ? 1: 0;
4447 ha->flags.enable_led_scheme = 0;
4448 ha->flags.disable_serdes = le32_to_cpu(nv->host_p) & BIT_5 ? 1: 0;
4449
4450 ha->operating_mode = (le32_to_cpu(icb->firmware_options_2) &
4451 (BIT_6 | BIT_5 | BIT_4)) >> 4;
4452
4453 /* save HBA serial number */
4454 ha->serial0 = icb->port_name[5];
4455 ha->serial1 = icb->port_name[6];
4456 ha->serial2 = icb->port_name[7];
4457 memcpy(vha->node_name, icb->node_name, WWN_SIZE);
4458 memcpy(vha->port_name, icb->port_name, WWN_SIZE);
4459
4460 icb->execution_throttle = __constant_cpu_to_le16(0xFFFF);
4461
4462 ha->retry_count = le16_to_cpu(nv->login_retry_count);
4463
4464 /* Set minimum login_timeout to 4 seconds. */
4465 if (le16_to_cpu(nv->login_timeout) < ql2xlogintimeout)
4466 nv->login_timeout = cpu_to_le16(ql2xlogintimeout);
4467 if (le16_to_cpu(nv->login_timeout) < 4)
4468 nv->login_timeout = __constant_cpu_to_le16(4);
4469 ha->login_timeout = le16_to_cpu(nv->login_timeout);
4470 icb->login_timeout = nv->login_timeout;
4471
4472 /* Set minimum RATOV to 100 tenths of a second. */
4473 ha->r_a_tov = 100;
4474
4475 ha->loop_reset_delay = nv->reset_delay;
4476
4477 /* Link Down Timeout = 0:
4478 *
4479 * When Port Down timer expires we will start returning
4480 * I/O's to OS with "DID_NO_CONNECT".
4481 *
4482 * Link Down Timeout != 0:
4483 *
4484 * The driver waits for the link to come up after link down
4485 * before returning I/Os to OS with "DID_NO_CONNECT".
4486 */
4487 if (le16_to_cpu(nv->link_down_timeout) == 0) {
4488 ha->loop_down_abort_time =
4489 (LOOP_DOWN_TIME - LOOP_DOWN_TIMEOUT);
4490 } else {
4491 ha->link_down_timeout = le16_to_cpu(nv->link_down_timeout);
4492 ha->loop_down_abort_time =
4493 (LOOP_DOWN_TIME - ha->link_down_timeout);
4494 }
4495
4496 /* Need enough time to try and get the port back. */
4497 ha->port_down_retry_count = le16_to_cpu(nv->port_down_retry_count);
4498 if (qlport_down_retry)
4499 ha->port_down_retry_count = qlport_down_retry;
4500
4501 /* Set login_retry_count */
4502 ha->login_retry_count = le16_to_cpu(nv->login_retry_count);
4503 if (ha->port_down_retry_count ==
4504 le16_to_cpu(nv->port_down_retry_count) &&
4505 ha->port_down_retry_count > 3)
4506 ha->login_retry_count = ha->port_down_retry_count;
4507 else if (ha->port_down_retry_count > (int)ha->login_retry_count)
4508 ha->login_retry_count = ha->port_down_retry_count;
4509 if (ql2xloginretrycount)
4510 ha->login_retry_count = ql2xloginretrycount;
4511
4512 /* Enable ZIO. */
4513 if (!vha->flags.init_done) {
4514 ha->zio_mode = le32_to_cpu(icb->firmware_options_2) &
4515 (BIT_3 | BIT_2 | BIT_1 | BIT_0);
4516 ha->zio_timer = le16_to_cpu(icb->interrupt_delay_timer) ?
4517 le16_to_cpu(icb->interrupt_delay_timer): 2;
4518 }
4519 icb->firmware_options_2 &= __constant_cpu_to_le32(
4520 ~(BIT_3 | BIT_2 | BIT_1 | BIT_0));
4521 vha->flags.process_response_queue = 0;
4522 if (ha->zio_mode != QLA_ZIO_DISABLED) {
4523 ha->zio_mode = QLA_ZIO_MODE_6;
4524
4525 DEBUG2(printk("scsi(%ld): ZIO mode %d enabled; timer delay "
4526 "(%d us).\n", vha->host_no, ha->zio_mode,
4527 ha->zio_timer * 100));
4528 qla_printk(KERN_INFO, ha,
4529 "ZIO mode %d enabled; timer delay (%d us).\n",
4530 ha->zio_mode, ha->zio_timer * 100);
4531
4532 icb->firmware_options_2 |= cpu_to_le32(
4533 (uint32_t)ha->zio_mode);
4534 icb->interrupt_delay_timer = cpu_to_le16(ha->zio_timer);
4535 vha->flags.process_response_queue = 1;
4536 }
4537
4538 if (rval) {
4539 DEBUG2_3(printk(KERN_WARNING
4540 "scsi(%ld): NVRAM configuration failed!\n", vha->host_no));
4541 }
4542 return (rval);
4543}
4544
4545void
4546qla81xx_update_fw_options(scsi_qla_host_t *ha)
4547{
4548}
Linux 6.x block layer and io_uring tree(s)