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[SCSI] qla2xxx: Correct display of vp_count in debug printk.
[GitHub/mt8127/android_kernel_alcatel_ttab.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
73208dfd 733 ha->fw_transfer_size = REQUEST_ENTRY_SIZE * req->length;
0107109e 734
e315cd28 735 rval = qla2x00_mbx_reg_test(vha);
0107109e
AV		 736 if (rval) {
737 DEBUG(printk("scsi(%ld): Failed mailbox send register test\n",
e315cd28 738 vha->host_no));
0107109e
AV		 739 qla_printk(KERN_WARNING, ha,
740 "Failed mailbox send register test\n");
741 } else {
742 /* Flag a successful rval */
743 rval = QLA_SUCCESS;
744 }
745
746 return rval;
747}
748
a7a167bf 749void
e315cd28 750qla2x00_alloc_fw_dump(scsi_qla_host_t *vha)
0107109e 751{
a7a167bf
AV		 752 int rval;
753 uint32_t dump_size, fixed_size, mem_size, req_q_size, rsp_q_size,
73208dfd 754 eft_size, fce_size, mq_size;
df613b96
AV		 755 dma_addr_t tc_dma;
756 void *tc;
e315cd28 757 struct qla_hw_data *ha = vha->hw;
73208dfd
AC		 758 struct req_que *req = ha->req_q_map[0];
759 struct rsp_que *rsp = ha->rsp_q_map[0];
a7a167bf
AV		 760
761 if (ha->fw_dump) {
762 qla_printk(KERN_WARNING, ha,
763 "Firmware dump previously allocated.\n");
764 return;
765 }
d4e3e04d 766
0107109e 767 ha->fw_dumped = 0;
73208dfd 768 fixed_size = mem_size = eft_size = fce_size = mq_size = 0;
d4e3e04d 769 if (IS_QLA2100(ha) || IS_QLA2200(ha)) {
a7a167bf 770 fixed_size = sizeof(struct qla2100_fw_dump);
d4e3e04d 771 } else if (IS_QLA23XX(ha)) {
a7a167bf
AV		 772 fixed_size = offsetof(struct qla2300_fw_dump, data_ram);
773 mem_size = (ha->fw_memory_size - 0x11000 + 1) *
774 sizeof(uint16_t);
e428924c 775 } else if (IS_FWI2_CAPABLE(ha)) {
3a03eb79
AV		 776 if (IS_QLA81XX(ha))
777 fixed_size = offsetof(struct qla81xx_fw_dump, ext_mem);
778 else if (IS_QLA25XX(ha))
779 fixed_size = offsetof(struct qla25xx_fw_dump, ext_mem);
780 else
781 fixed_size = offsetof(struct qla24xx_fw_dump, ext_mem);
a7a167bf
AV		 782 mem_size = (ha->fw_memory_size - 0x100000 + 1) *
783 sizeof(uint32_t);
73208dfd
AC		 784 if (ha->mqenable)
785 mq_size = sizeof(struct qla2xxx_mq_chain);
df613b96 786 /* Allocate memory for Fibre Channel Event Buffer. */
3a03eb79 787 if (!IS_QLA25XX(ha) && !IS_QLA81XX(ha))
436a7b11 788 goto try_eft;
df613b96
AV		 789
790 tc = dma_alloc_coherent(&ha->pdev->dev, FCE_SIZE, &tc_dma,
791 GFP_KERNEL);
792 if (!tc) {
793 qla_printk(KERN_WARNING, ha, "Unable to allocate "
794 "(%d KB) for FCE.\n", FCE_SIZE / 1024);
17d98630 795 goto try_eft;
df613b96
AV		 796 }
797
798 memset(tc, 0, FCE_SIZE);
e315cd28 799 rval = qla2x00_enable_fce_trace(vha, tc_dma, FCE_NUM_BUFFERS,
df613b96
AV		 800 ha->fce_mb, &ha->fce_bufs);
801 if (rval) {
802 qla_printk(KERN_WARNING, ha, "Unable to initialize "
803 "FCE (%d).\n", rval);
804 dma_free_coherent(&ha->pdev->dev, FCE_SIZE, tc,
805 tc_dma);
806 ha->flags.fce_enabled = 0;
17d98630 807 goto try_eft;
df613b96
AV		 808 }
809
810 qla_printk(KERN_INFO, ha, "Allocated (%d KB) for FCE...\n",
811 FCE_SIZE / 1024);
812
7d9dade3 813 fce_size = sizeof(struct qla2xxx_fce_chain) + FCE_SIZE;
df613b96
AV		 814 ha->flags.fce_enabled = 1;
815 ha->fce_dma = tc_dma;
816 ha->fce = tc;
436a7b11
AV		 817try_eft:
818 /* Allocate memory for Extended Trace Buffer. */
819 tc = dma_alloc_coherent(&ha->pdev->dev, EFT_SIZE, &tc_dma,
820 GFP_KERNEL);
821 if (!tc) {
822 qla_printk(KERN_WARNING, ha, "Unable to allocate "
823 "(%d KB) for EFT.\n", EFT_SIZE / 1024);
824 goto cont_alloc;
825 }
826
827 memset(tc, 0, EFT_SIZE);
e315cd28 828 rval = qla2x00_enable_eft_trace(vha, tc_dma, EFT_NUM_BUFFERS);
436a7b11
AV		 829 if (rval) {
830 qla_printk(KERN_WARNING, ha, "Unable to initialize "
831 "EFT (%d).\n", rval);
832 dma_free_coherent(&ha->pdev->dev, EFT_SIZE, tc,
833 tc_dma);
834 goto cont_alloc;
835 }
836
837 qla_printk(KERN_INFO, ha, "Allocated (%d KB) for EFT...\n",
838 EFT_SIZE / 1024);
839
840 eft_size = EFT_SIZE;
841 ha->eft_dma = tc_dma;
842 ha->eft = tc;
d4e3e04d 843 }
a7a167bf 844cont_alloc:
73208dfd
AC		 845 req_q_size = req->length * sizeof(request_t);
846 rsp_q_size = rsp->length * sizeof(response_t);
a7a167bf
AV		 847
848 dump_size = offsetof(struct qla2xxx_fw_dump, isp);
2afa19a9 849 dump_size += fixed_size + mem_size + req_q_size + rsp_q_size + eft_size;
bb99de67
AV		 850 ha->chain_offset = dump_size;
851 dump_size += mq_size + fce_size;
d4e3e04d
AV		 852
853 ha->fw_dump = vmalloc(dump_size);
a7a167bf 854 if (!ha->fw_dump) {
0107109e 855 qla_printk(KERN_WARNING, ha, "Unable to allocate (%d KB) for "
d4e3e04d 856 "firmware dump!!!\n", dump_size / 1024);
a7a167bf
AV		 857
858 if (ha->eft) {
859 dma_free_coherent(&ha->pdev->dev, eft_size, ha->eft,
860 ha->eft_dma);
861 ha->eft = NULL;
862 ha->eft_dma = 0;
863 }
864 return;
865 }
a7a167bf
AV		 866 qla_printk(KERN_INFO, ha, "Allocated (%d KB) for firmware dump...\n",
867 dump_size / 1024);
868
869 ha->fw_dump_len = dump_size;
870 ha->fw_dump->signature[0] = 'Q';
871 ha->fw_dump->signature[1] = 'L';
872 ha->fw_dump->signature[2] = 'G';
873 ha->fw_dump->signature[3] = 'C';
874 ha->fw_dump->version = __constant_htonl(1);
875
876 ha->fw_dump->fixed_size = htonl(fixed_size);
877 ha->fw_dump->mem_size = htonl(mem_size);
878 ha->fw_dump->req_q_size = htonl(req_q_size);
879 ha->fw_dump->rsp_q_size = htonl(rsp_q_size);
880
881 ha->fw_dump->eft_size = htonl(eft_size);
882 ha->fw_dump->eft_addr_l = htonl(LSD(ha->eft_dma));
883 ha->fw_dump->eft_addr_h = htonl(MSD(ha->eft_dma));
884
885 ha->fw_dump->header_size =
886 htonl(offsetof(struct qla2xxx_fw_dump, isp));
0107109e
AV		 887}
888
18e7555a
AV		 889static int
890qla81xx_mpi_sync(scsi_qla_host_t *vha)
891{
892#define MPS_MASK 0xe0
893 int rval;
894 uint16_t dc;
895 uint32_t dw;
896 struct qla_hw_data *ha = vha->hw;
897
898 if (!IS_QLA81XX(vha->hw))
899 return QLA_SUCCESS;
900
901 rval = qla2x00_write_ram_word(vha, 0x7c00, 1);
902 if (rval != QLA_SUCCESS) {
903 DEBUG2(qla_printk(KERN_WARNING, ha,
904 "Sync-MPI: Unable to acquire semaphore.\n"));
905 goto done;
906 }
907
908 pci_read_config_word(vha->hw->pdev, 0x54, &dc);
909 rval = qla2x00_read_ram_word(vha, 0x7a15, &dw);
910 if (rval != QLA_SUCCESS) {
911 DEBUG2(qla_printk(KERN_WARNING, ha,
912 "Sync-MPI: Unable to read sync.\n"));
913 goto done_release;
914 }
915
916 dc &= MPS_MASK;
917 if (dc == (dw & MPS_MASK))
918 goto done_release;
919
920 dw &= ~MPS_MASK;
921 dw |= dc;
922 rval = qla2x00_write_ram_word(vha, 0x7a15, dw);
923 if (rval != QLA_SUCCESS) {
924 DEBUG2(qla_printk(KERN_WARNING, ha,
925 "Sync-MPI: Unable to gain sync.\n"));
926 }
927
928done_release:
929 rval = qla2x00_write_ram_word(vha, 0x7c00, 0);
930 if (rval != QLA_SUCCESS) {
931 DEBUG2(qla_printk(KERN_WARNING, ha,
932 "Sync-MPI: Unable to release semaphore.\n"));
933 }
934
935done:
936 return rval;
937}
938
1da177e4
LT		 939/**
940 * qla2x00_setup_chip() - Load and start RISC firmware.
941 * @ha: HA context
942 *
943 * Returns 0 on success.
944 */
945static int
e315cd28 946qla2x00_setup_chip(scsi_qla_host_t *vha)
1da177e4 947{
0107109e
AV		 948 int rval;
949 uint32_t srisc_address = 0;
e315cd28 950 struct qla_hw_data *ha = vha->hw;
3db0652e
AV		 951 struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
952 unsigned long flags;
dda772e8 953 uint16_t fw_major_version;
3db0652e
AV		 954
955 if (!IS_FWI2_CAPABLE(ha) && !IS_QLA2100(ha) && !IS_QLA2200(ha)) {
956 /* Disable SRAM, Instruction RAM and GP RAM parity. */
957 spin_lock_irqsave(&ha->hardware_lock, flags);
958 WRT_REG_WORD(&reg->hccr, (HCCR_ENABLE_PARITY + 0x0));
959 RD_REG_WORD(&reg->hccr);
960 spin_unlock_irqrestore(&ha->hardware_lock, flags);
961 }
1da177e4 962
18e7555a
AV		 963 qla81xx_mpi_sync(vha);
964
1da177e4 965 /* Load firmware sequences */
e315cd28 966 rval = ha->isp_ops->load_risc(vha, &srisc_address);
0107109e 967 if (rval == QLA_SUCCESS) {
1da177e4 968 DEBUG(printk("scsi(%ld): Verifying Checksum of loaded RISC "
e315cd28 969 "code.\n", vha->host_no));
1da177e4 970
e315cd28 971 rval = qla2x00_verify_checksum(vha, srisc_address);
1da177e4
LT		 972 if (rval == QLA_SUCCESS) {
973 /* Start firmware execution. */
974 DEBUG(printk("scsi(%ld): Checksum OK, start "
e315cd28 975 "firmware.\n", vha->host_no));
1da177e4 976
e315cd28 977 rval = qla2x00_execute_fw(vha, srisc_address);
1da177e4 978 /* Retrieve firmware information. */
dda772e8
AV		 979 if (rval == QLA_SUCCESS) {
980 fw_major_version = ha->fw_major_version;
ca9e9c3e 981 rval = qla2x00_get_fw_version(vha,
1da177e4
LT		 982 &ha->fw_major_version,
983 &ha->fw_minor_version,
984 &ha->fw_subminor_version,
3a03eb79 985 &ha->fw_attributes, &ha->fw_memory_size,
55a96158
AV		 986 ha->mpi_version, &ha->mpi_capabilities,
987 ha->phy_version);
ca9e9c3e
AV		 988 if (rval != QLA_SUCCESS)
989 goto failed;
990
2c3dfe3f 991 ha->flags.npiv_supported = 0;
e315cd28 992 if (IS_QLA2XXX_MIDTYPE(ha) &&
946fb891 993 (ha->fw_attributes & BIT_2)) {
2c3dfe3f 994 ha->flags.npiv_supported = 1;
4d0ea247
SJ		 995 if ((!ha->max_npiv_vports) ||
996 ((ha->max_npiv_vports + 1) %
eb66dc60 997 MIN_MULTI_ID_FABRIC))
4d0ea247 998 ha->max_npiv_vports =
eb66dc60 999 MIN_MULTI_ID_FABRIC - 1;
4d0ea247 1000 }
24a08138
AV		 1001 qla2x00_get_resource_cnts(vha, NULL,
1002 &ha->fw_xcb_count, NULL, NULL,
1003 &ha->max_npiv_vports);
d743de66
AV		 1004
1005 if (!fw_major_version && ql2xallocfwdump)
1006 qla2x00_alloc_fw_dump(vha);
1da177e4
LT		 1007 }
1008 } else {
1009 DEBUG2(printk(KERN_INFO
1010 "scsi(%ld): ISP Firmware failed checksum.\n",
e315cd28 1011 vha->host_no));
1da177e4
LT		 1012 }
1013 }
1014
3db0652e
AV		 1015 if (!IS_FWI2_CAPABLE(ha) && !IS_QLA2100(ha) && !IS_QLA2200(ha)) {
1016 /* Enable proper parity. */
1017 spin_lock_irqsave(&ha->hardware_lock, flags);
1018 if (IS_QLA2300(ha))
1019 /* SRAM parity */
1020 WRT_REG_WORD(&reg->hccr, HCCR_ENABLE_PARITY + 0x1);
1021 else
1022 /* SRAM, Instruction RAM and GP RAM parity */
1023 WRT_REG_WORD(&reg->hccr, HCCR_ENABLE_PARITY + 0x7);
1024 RD_REG_WORD(&reg->hccr);
1025 spin_unlock_irqrestore(&ha->hardware_lock, flags);
1026 }
1027
1d2874de
JC		 1028 if (rval == QLA_SUCCESS && IS_FAC_REQUIRED(ha)) {
1029 uint32_t size;
1030
1031 rval = qla81xx_fac_get_sector_size(vha, &size);
1032 if (rval == QLA_SUCCESS) {
1033 ha->flags.fac_supported = 1;
1034 ha->fdt_block_size = size << 2;
1035 } else {
1036 qla_printk(KERN_ERR, ha,
1037 "Unsupported FAC firmware (%d.%02d.%02d).\n",
1038 ha->fw_major_version, ha->fw_minor_version,
1039 ha->fw_subminor_version);
1040 }
1041 }
ca9e9c3e 1042failed:
1da177e4
LT		 1043 if (rval) {
1044 DEBUG2_3(printk("scsi(%ld): Setup chip **** FAILED ****.\n",
e315cd28 1045 vha->host_no));
1da177e4
LT		 1046 }
1047
1048 return (rval);
1049}
1050
1051/**
1052 * qla2x00_init_response_q_entries() - Initializes response queue entries.
1053 * @ha: HA context
1054 *
1055 * Beginning of request ring has initialization control block already built
1056 * by nvram config routine.
1057 *
1058 * Returns 0 on success.
1059 */
73208dfd
AC		 1060void
1061qla2x00_init_response_q_entries(struct rsp_que *rsp)
1da177e4
LT		 1062{
1063 uint16_t cnt;
1064 response_t *pkt;
1065
2afa19a9
AC		 1066 rsp->ring_ptr = rsp->ring;
1067 rsp->ring_index = 0;
1068 rsp->status_srb = NULL;
e315cd28
AC		 1069 pkt = rsp->ring_ptr;
1070 for (cnt = 0; cnt < rsp->length; cnt++) {
1da177e4
LT		 1071 pkt->signature = RESPONSE_PROCESSED;
1072 pkt++;
1073 }
1da177e4
LT		 1074}
1075
1076/**
1077 * qla2x00_update_fw_options() - Read and process firmware options.
1078 * @ha: HA context
1079 *
1080 * Returns 0 on success.
1081 */
abbd8870 1082void
e315cd28 1083qla2x00_update_fw_options(scsi_qla_host_t *vha)
1da177e4
LT		 1084{
1085 uint16_t swing, emphasis, tx_sens, rx_sens;
e315cd28 1086 struct qla_hw_data *ha = vha->hw;
1da177e4
LT		 1087
1088 memset(ha->fw_options, 0, sizeof(ha->fw_options));
e315cd28 1089 qla2x00_get_fw_options(vha, ha->fw_options);
1da177e4
LT		 1090
1091 if (IS_QLA2100(ha) || IS_QLA2200(ha))
1092 return;
1093
1094 /* Serial Link options. */
1095 DEBUG3(printk("scsi(%ld): Serial link options:\n",
e315cd28 1096 vha->host_no));
1da177e4
LT		 1097 DEBUG3(qla2x00_dump_buffer((uint8_t *)&ha->fw_seriallink_options,
1098 sizeof(ha->fw_seriallink_options)));
1099
1100 ha->fw_options[1] &= ~FO1_SET_EMPHASIS_SWING;
1101 if (ha->fw_seriallink_options[3] & BIT_2) {
1102 ha->fw_options[1] |= FO1_SET_EMPHASIS_SWING;
1103
1104 /* 1G settings */
1105 swing = ha->fw_seriallink_options[2] & (BIT_2 | BIT_1 | BIT_0);
1106 emphasis = (ha->fw_seriallink_options[2] &
1107 (BIT_4 | BIT_3)) >> 3;
1108 tx_sens = ha->fw_seriallink_options[0] &
fa2a1ce5 1109 (BIT_3 | BIT_2 | BIT_1 | BIT_0);
1da177e4
LT		 1110 rx_sens = (ha->fw_seriallink_options[0] &
1111 (BIT_7 | BIT_6 | BIT_5 | BIT_4)) >> 4;
1112 ha->fw_options[10] = (emphasis << 14) | (swing << 8);
1113 if (IS_QLA2300(ha) || IS_QLA2312(ha) || IS_QLA6312(ha)) {
1114 if (rx_sens == 0x0)
1115 rx_sens = 0x3;
1116 ha->fw_options[10] |= (tx_sens << 4) | rx_sens;
1117 } else if (IS_QLA2322(ha) || IS_QLA6322(ha))
1118 ha->fw_options[10] |= BIT_5 |
1119 ((rx_sens & (BIT_1 | BIT_0)) << 2) |
1120 (tx_sens & (BIT_1 | BIT_0));
1121
1122 /* 2G settings */
1123 swing = (ha->fw_seriallink_options[2] &
1124 (BIT_7 | BIT_6 | BIT_5)) >> 5;
1125 emphasis = ha->fw_seriallink_options[3] & (BIT_1 | BIT_0);
1126 tx_sens = ha->fw_seriallink_options[1] &
fa2a1ce5 1127 (BIT_3 | BIT_2 | BIT_1 | BIT_0);
1da177e4
LT		 1128 rx_sens = (ha->fw_seriallink_options[1] &
1129 (BIT_7 | BIT_6 | BIT_5 | BIT_4)) >> 4;
1130 ha->fw_options[11] = (emphasis << 14) | (swing << 8);
1131 if (IS_QLA2300(ha) || IS_QLA2312(ha) || IS_QLA6312(ha)) {
1132 if (rx_sens == 0x0)
1133 rx_sens = 0x3;
1134 ha->fw_options[11] |= (tx_sens << 4) | rx_sens;
1135 } else if (IS_QLA2322(ha) || IS_QLA6322(ha))
1136 ha->fw_options[11] |= BIT_5 |
1137 ((rx_sens & (BIT_1 | BIT_0)) << 2) |
1138 (tx_sens & (BIT_1 | BIT_0));
1139 }
1140
1141 /* FCP2 options. */
1142 /* Return command IOCBs without waiting for an ABTS to complete. */
1143 ha->fw_options[3] |= BIT_13;
1144
1145 /* LED scheme. */
1146 if (ha->flags.enable_led_scheme)
1147 ha->fw_options[2] |= BIT_12;
1148
48c02fde
AV		 1149 /* Detect ISP6312. */
1150 if (IS_QLA6312(ha))
1151 ha->fw_options[2] |= BIT_13;
1152
1da177e4 1153 /* Update firmware options. */
e315cd28 1154 qla2x00_set_fw_options(vha, ha->fw_options);
1da177e4
LT		 1155}
1156
0107109e 1157void
e315cd28 1158qla24xx_update_fw_options(scsi_qla_host_t *vha)
0107109e
AV		 1159{
1160 int rval;
e315cd28 1161 struct qla_hw_data *ha = vha->hw;
0107109e
AV		 1162
1163 /* Update Serial Link options. */
f94097ed 1164 if ((le16_to_cpu(ha->fw_seriallink_options24[0]) & BIT_0) == 0)
0107109e
AV		 1165 return;
1166
e315cd28 1167 rval = qla2x00_set_serdes_params(vha,
f94097ed
AV		 1168 le16_to_cpu(ha->fw_seriallink_options24[1]),
1169 le16_to_cpu(ha->fw_seriallink_options24[2]),
1170 le16_to_cpu(ha->fw_seriallink_options24[3]));
0107109e
AV		 1171 if (rval != QLA_SUCCESS) {
1172 qla_printk(KERN_WARNING, ha,
1173 "Unable to update Serial Link options (%x).\n", rval);
1174 }
1175}
1176
abbd8870 1177void
e315cd28 1178qla2x00_config_rings(struct scsi_qla_host *vha)
abbd8870 1179{
e315cd28 1180 struct qla_hw_data *ha = vha->hw;
3d71644c 1181 struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
73208dfd
AC		 1182 struct req_que *req = ha->req_q_map[0];
1183 struct rsp_que *rsp = ha->rsp_q_map[0];
abbd8870
AV		 1184
1185 /* Setup ring parameters in initialization control block. */
1186 ha->init_cb->request_q_outpointer = __constant_cpu_to_le16(0);
1187 ha->init_cb->response_q_inpointer = __constant_cpu_to_le16(0);
e315cd28
AC		 1188 ha->init_cb->request_q_length = cpu_to_le16(req->length);
1189 ha->init_cb->response_q_length = cpu_to_le16(rsp->length);
1190 ha->init_cb->request_q_address[0] = cpu_to_le32(LSD(req->dma));
1191 ha->init_cb->request_q_address[1] = cpu_to_le32(MSD(req->dma));
1192 ha->init_cb->response_q_address[0] = cpu_to_le32(LSD(rsp->dma));
1193 ha->init_cb->response_q_address[1] = cpu_to_le32(MSD(rsp->dma));
abbd8870
AV		 1194
1195 WRT_REG_WORD(ISP_REQ_Q_IN(ha, reg), 0);
1196 WRT_REG_WORD(ISP_REQ_Q_OUT(ha, reg), 0);
1197 WRT_REG_WORD(ISP_RSP_Q_IN(ha, reg), 0);
1198 WRT_REG_WORD(ISP_RSP_Q_OUT(ha, reg), 0);
1199 RD_REG_WORD(ISP_RSP_Q_OUT(ha, reg)); /* PCI Posting. */
1200}
1201
0107109e 1202void
e315cd28 1203qla24xx_config_rings(struct scsi_qla_host *vha)
0107109e 1204{
e315cd28 1205 struct qla_hw_data *ha = vha->hw;
73208dfd
AC		 1206 device_reg_t __iomem *reg = ISP_QUE_REG(ha, 0);
1207 struct device_reg_2xxx __iomem *ioreg = &ha->iobase->isp;
1208 struct qla_msix_entry *msix;
0107109e 1209 struct init_cb_24xx *icb;
73208dfd
AC		 1210 uint16_t rid = 0;
1211 struct req_que *req = ha->req_q_map[0];
1212 struct rsp_que *rsp = ha->rsp_q_map[0];
0107109e 1213
73208dfd 1214/* Setup ring parameters in initialization control block. */
0107109e
AV		 1215 icb = (struct init_cb_24xx *)ha->init_cb;
1216 icb->request_q_outpointer = __constant_cpu_to_le16(0);
1217 icb->response_q_inpointer = __constant_cpu_to_le16(0);
e315cd28
AC		 1218 icb->request_q_length = cpu_to_le16(req->length);
1219 icb->response_q_length = cpu_to_le16(rsp->length);
1220 icb->request_q_address[0] = cpu_to_le32(LSD(req->dma));
1221 icb->request_q_address[1] = cpu_to_le32(MSD(req->dma));
1222 icb->response_q_address[0] = cpu_to_le32(LSD(rsp->dma));
1223 icb->response_q_address[1] = cpu_to_le32(MSD(rsp->dma));
0107109e 1224
73208dfd
AC		 1225 if (ha->mqenable) {
1226 icb->qos = __constant_cpu_to_le16(QLA_DEFAULT_QUE_QOS);
1227 icb->rid = __constant_cpu_to_le16(rid);
1228 if (ha->flags.msix_enabled) {
1229 msix = &ha->msix_entries[1];
1230 DEBUG2_17(printk(KERN_INFO
2afa19a9 1231 "Registering vector 0x%x for base que\n", msix->entry));
73208dfd
AC		 1232 icb->msix = cpu_to_le16(msix->entry);
1233 }
1234 /* Use alternate PCI bus number */
1235 if (MSB(rid))
1236 icb->firmware_options_2 |=
1237 __constant_cpu_to_le32(BIT_19);
1238 /* Use alternate PCI devfn */
1239 if (LSB(rid))
1240 icb->firmware_options_2 |=
1241 __constant_cpu_to_le32(BIT_18);
1242
618a7523 1243 icb->firmware_options_2 &= __constant_cpu_to_le32(~BIT_22);
73208dfd 1244 icb->firmware_options_2 |= __constant_cpu_to_le32(BIT_23);
73208dfd
AC		 1245
1246 WRT_REG_DWORD(&reg->isp25mq.req_q_in, 0);
1247 WRT_REG_DWORD(&reg->isp25mq.req_q_out, 0);
1248 WRT_REG_DWORD(&reg->isp25mq.rsp_q_in, 0);
1249 WRT_REG_DWORD(&reg->isp25mq.rsp_q_out, 0);
1250 } else {
1251 WRT_REG_DWORD(&reg->isp24.req_q_in, 0);
1252 WRT_REG_DWORD(&reg->isp24.req_q_out, 0);
1253 WRT_REG_DWORD(&reg->isp24.rsp_q_in, 0);
1254 WRT_REG_DWORD(&reg->isp24.rsp_q_out, 0);
1255 }
1256 /* PCI posting */
1257 RD_REG_DWORD(&ioreg->hccr);
0107109e
AV		 1258}
1259
1da177e4
LT		 1260/**
1261 * qla2x00_init_rings() - Initializes firmware.
1262 * @ha: HA context
1263 *
1264 * Beginning of request ring has initialization control block already built
1265 * by nvram config routine.
1266 *
1267 * Returns 0 on success.
1268 */
1269static int
e315cd28 1270qla2x00_init_rings(scsi_qla_host_t *vha)
1da177e4
LT		 1271{
1272 int rval;
1273 unsigned long flags = 0;
29bdccbe 1274 int cnt, que;
e315cd28 1275 struct qla_hw_data *ha = vha->hw;
29bdccbe
AC		 1276 struct req_que *req;
1277 struct rsp_que *rsp;
1278 struct scsi_qla_host *vp;
2c3dfe3f
SJ		 1279 struct mid_init_cb_24xx *mid_init_cb =
1280 (struct mid_init_cb_24xx *) ha->init_cb;
1da177e4
LT		 1281
1282 spin_lock_irqsave(&ha->hardware_lock, flags);
1283
1284 /* Clear outstanding commands array. */
2afa19a9 1285 for (que = 0; que < ha->max_req_queues; que++) {
29bdccbe
AC		 1286 req = ha->req_q_map[que];
1287 if (!req)
1288 continue;
2afa19a9 1289 for (cnt = 1; cnt < MAX_OUTSTANDING_COMMANDS; cnt++)
29bdccbe 1290 req->outstanding_cmds[cnt] = NULL;
1da177e4 1291
2afa19a9 1292 req->current_outstanding_cmd = 1;
1da177e4 1293
29bdccbe
AC		 1294 /* Initialize firmware. */
1295 req->ring_ptr = req->ring;
1296 req->ring_index = 0;
1297 req->cnt = req->length;
1298 }
1da177e4 1299
2afa19a9 1300 for (que = 0; que < ha->max_rsp_queues; que++) {
29bdccbe
AC		 1301 rsp = ha->rsp_q_map[que];
1302 if (!rsp)
1303 continue;
29bdccbe
AC		 1304 /* Initialize response queue entries */
1305 qla2x00_init_response_q_entries(rsp);
1306 }
1da177e4 1307
29bdccbe
AC		 1308 /* Clear RSCN queue. */
1309 list_for_each_entry(vp, &ha->vp_list, list) {
1310 vp->rscn_in_ptr = 0;
1311 vp->rscn_out_ptr = 0;
1312 }
e315cd28 1313 ha->isp_ops->config_rings(vha);
1da177e4
LT		 1314
1315 spin_unlock_irqrestore(&ha->hardware_lock, flags);
1316
1317 /* Update any ISP specific firmware options before initialization. */
e315cd28 1318 ha->isp_ops->update_fw_options(vha);
1da177e4 1319
e315cd28 1320 DEBUG(printk("scsi(%ld): Issue init firmware.\n", vha->host_no));
2c3dfe3f 1321
605aa2bc
LC		 1322 if (ha->flags.npiv_supported) {
1323 if (ha->operating_mode == LOOP)
1324 ha->max_npiv_vports = MIN_MULTI_ID_FABRIC - 1;
c48339de 1325 mid_init_cb->count = cpu_to_le16(ha->max_npiv_vports);
605aa2bc
LC		 1326 }
1327
24a08138
AV		 1328 if (IS_FWI2_CAPABLE(ha)) {
1329 mid_init_cb->options = __constant_cpu_to_le16(BIT_1);
1330 mid_init_cb->init_cb.execution_throttle =
1331 cpu_to_le16(ha->fw_xcb_count);
1332 }
2c3dfe3f 1333
e315cd28 1334 rval = qla2x00_init_firmware(vha, ha->init_cb_size);
1da177e4
LT		 1335 if (rval) {
1336 DEBUG2_3(printk("scsi(%ld): Init firmware **** FAILED ****.\n",
e315cd28 1337 vha->host_no));
1da177e4
LT		 1338 } else {
1339 DEBUG3(printk("scsi(%ld): Init firmware -- success.\n",
e315cd28 1340 vha->host_no));
1da177e4
LT		 1341 }
1342
1343 return (rval);
1344}
1345
1346/**
1347 * qla2x00_fw_ready() - Waits for firmware ready.
1348 * @ha: HA context
1349 *
1350 * Returns 0 on success.
1351 */
1352static int
e315cd28 1353qla2x00_fw_ready(scsi_qla_host_t *vha)
1da177e4
LT		 1354{
1355 int rval;
4d4df193 1356 unsigned long wtime, mtime, cs84xx_time;
1da177e4
LT		 1357 uint16_t min_wait; /* Minimum wait time if loop is down */
1358 uint16_t wait_time; /* Wait time if loop is coming ready */
656e8912 1359 uint16_t state[5];
e315cd28 1360 struct qla_hw_data *ha = vha->hw;
1da177e4
LT		 1361
1362 rval = QLA_SUCCESS;
1363
1364 /* 20 seconds for loop down. */
fa2a1ce5 1365 min_wait = 20;
1da177e4
LT		 1366
1367 /*
1368 * Firmware should take at most one RATOV to login, plus 5 seconds for
1369 * our own processing.
1370 */
1371 if ((wait_time = (ha->retry_count*ha->login_timeout) + 5) < min_wait) {
1372 wait_time = min_wait;
1373 }
1374
1375 /* Min wait time if loop down */
1376 mtime = jiffies + (min_wait * HZ);
1377
1378 /* wait time before firmware ready */
1379 wtime = jiffies + (wait_time * HZ);
1380
1381 /* Wait for ISP to finish LIP */
e315cd28 1382 if (!vha->flags.init_done)
1da177e4
LT		 1383 qla_printk(KERN_INFO, ha, "Waiting for LIP to complete...\n");
1384
1385 DEBUG3(printk("scsi(%ld): Waiting for LIP to complete...\n",
e315cd28 1386 vha->host_no));
1da177e4
LT		 1387
1388 do {
e315cd28 1389 rval = qla2x00_get_firmware_state(vha, state);
1da177e4 1390 if (rval == QLA_SUCCESS) {
4d4df193 1391 if (state[0] < FSTATE_LOSS_OF_SYNC) {
e315cd28 1392 vha->device_flags &= ~DFLG_NO_CABLE;
1da177e4 1393 }
4d4df193
HK		 1394 if (IS_QLA84XX(ha) && state[0] != FSTATE_READY) {
1395 DEBUG16(printk("scsi(%ld): fw_state=%x "
e315cd28 1396 "84xx=%x.\n", vha->host_no, state[0],
4d4df193
HK		 1397 state[2]));
1398 if ((state[2] & FSTATE_LOGGED_IN) &&
1399 (state[2] & FSTATE_WAITING_FOR_VERIFY)) {
1400 DEBUG16(printk("scsi(%ld): Sending "
e315cd28 1401 "verify iocb.\n", vha->host_no));
4d4df193
HK		 1402
1403 cs84xx_time = jiffies;
e315cd28 1404 rval = qla84xx_init_chip(vha);
4d4df193
HK		 1405 if (rval != QLA_SUCCESS)
1406 break;
1407
1408 /* Add time taken to initialize. */
1409 cs84xx_time = jiffies - cs84xx_time;
1410 wtime += cs84xx_time;
1411 mtime += cs84xx_time;
1412 DEBUG16(printk("scsi(%ld): Increasing "
1413 "wait time by %ld. New time %ld\n",
e315cd28 1414 vha->host_no, cs84xx_time, wtime));
4d4df193
HK		 1415 }
1416 } else if (state[0] == FSTATE_READY) {
1da177e4 1417 DEBUG(printk("scsi(%ld): F/W Ready - OK \n",
e315cd28 1418 vha->host_no));
1da177e4 1419
e315cd28 1420 qla2x00_get_retry_cnt(vha, &ha->retry_count,
1da177e4
LT		 1421 &ha->login_timeout, &ha->r_a_tov);
1422
1423 rval = QLA_SUCCESS;
1424 break;
1425 }
1426
1427 rval = QLA_FUNCTION_FAILED;
1428
e315cd28 1429 if (atomic_read(&vha->loop_down_timer) &&
4d4df193 1430 state[0] != FSTATE_READY) {
1da177e4 1431 /* Loop down. Timeout on min_wait for states
fa2a1ce5
AV		 1432 * other than Wait for Login.
1433 */
1da177e4
LT		 1434 if (time_after_eq(jiffies, mtime)) {
1435 qla_printk(KERN_INFO, ha,
1436 "Cable is unplugged...\n");
1437
e315cd28 1438 vha->device_flags |= DFLG_NO_CABLE;
1da177e4
LT		 1439 break;
1440 }
1441 }
1442 } else {
1443 /* Mailbox cmd failed. Timeout on min_wait. */
1444 if (time_after_eq(jiffies, mtime))
1445 break;
1446 }
1447
1448 if (time_after_eq(jiffies, wtime))
1449 break;
1450
1451 /* Delay for a while */
1452 msleep(500);
1453
1454 DEBUG3(printk("scsi(%ld): fw_state=%x curr time=%lx.\n",
e315cd28 1455 vha->host_no, state[0], jiffies));
1da177e4
LT		 1456 } while (1);
1457
656e8912
AV		 1458 DEBUG(printk("scsi(%ld): fw_state=%x (%x, %x, %x, %x) curr time=%lx.\n",
1459 vha->host_no, state[0], state[1], state[2], state[3], state[4],
1460 jiffies));
1da177e4
LT		 1461
1462 if (rval) {
1463 DEBUG2_3(printk("scsi(%ld): Firmware ready **** FAILED ****.\n",
e315cd28 1464 vha->host_no));
1da177e4
LT		 1465 }
1466
1467 return (rval);
1468}
1469
1470/*
1471* qla2x00_configure_hba
1472* Setup adapter context.
1473*
1474* Input:
1475* ha = adapter state pointer.
1476*
1477* Returns:
1478* 0 = success
1479*
1480* Context:
1481* Kernel context.
1482*/
1483static int
e315cd28 1484qla2x00_configure_hba(scsi_qla_host_t *vha)
1da177e4
LT		 1485{
1486 int rval;
1487 uint16_t loop_id;
1488 uint16_t topo;
2c3dfe3f 1489 uint16_t sw_cap;
1da177e4
LT		 1490 uint8_t al_pa;
1491 uint8_t area;
1492 uint8_t domain;
1493 char connect_type[22];
e315cd28 1494 struct qla_hw_data *ha = vha->hw;
1da177e4
LT		 1495
1496 /* Get host addresses. */
e315cd28 1497 rval = qla2x00_get_adapter_id(vha,
2c3dfe3f 1498 &loop_id, &al_pa, &area, &domain, &topo, &sw_cap);
1da177e4 1499 if (rval != QLA_SUCCESS) {
e315cd28 1500 if (LOOP_TRANSITION(vha) || atomic_read(&ha->loop_down_timer) ||
33135aa2
RA		 1501 (rval == QLA_COMMAND_ERROR && loop_id == 0x7)) {
1502 DEBUG2(printk("%s(%ld) Loop is in a transition state\n",
e315cd28 1503 __func__, vha->host_no));
33135aa2
RA		 1504 } else {
1505 qla_printk(KERN_WARNING, ha,
1506 "ERROR -- Unable to get host loop ID.\n");
e315cd28 1507 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
33135aa2 1508 }
1da177e4
LT		 1509 return (rval);
1510 }
1511
1512 if (topo == 4) {
1513 qla_printk(KERN_INFO, ha,
1514 "Cannot get topology - retrying.\n");
1515 return (QLA_FUNCTION_FAILED);
1516 }
1517
e315cd28 1518 vha->loop_id = loop_id;
1da177e4
LT		 1519
1520 /* initialize */
1521 ha->min_external_loopid = SNS_FIRST_LOOP_ID;
1522 ha->operating_mode = LOOP;
2c3dfe3f 1523 ha->switch_cap = 0;
1da177e4
LT		 1524
1525 switch (topo) {
1526 case 0:
1527 DEBUG3(printk("scsi(%ld): HBA in NL topology.\n",
e315cd28 1528 vha->host_no));
1da177e4
LT		 1529 ha->current_topology = ISP_CFG_NL;
1530 strcpy(connect_type, "(Loop)");
1531 break;
1532
1533 case 1:
1534 DEBUG3(printk("scsi(%ld): HBA in FL topology.\n",
e315cd28 1535 vha->host_no));
2c3dfe3f 1536 ha->switch_cap = sw_cap;
1da177e4
LT		 1537 ha->current_topology = ISP_CFG_FL;
1538 strcpy(connect_type, "(FL_Port)");
1539 break;
1540
1541 case 2:
1542 DEBUG3(printk("scsi(%ld): HBA in N P2P topology.\n",
e315cd28 1543 vha->host_no));
1da177e4
LT		 1544 ha->operating_mode = P2P;
1545 ha->current_topology = ISP_CFG_N;
1546 strcpy(connect_type, "(N_Port-to-N_Port)");
1547 break;
1548
1549 case 3:
1550 DEBUG3(printk("scsi(%ld): HBA in F P2P topology.\n",
e315cd28 1551 vha->host_no));
2c3dfe3f 1552 ha->switch_cap = sw_cap;
1da177e4
LT		 1553 ha->operating_mode = P2P;
1554 ha->current_topology = ISP_CFG_F;
1555 strcpy(connect_type, "(F_Port)");
1556 break;
1557
1558 default:
1559 DEBUG3(printk("scsi(%ld): HBA in unknown topology %x. "
1560 "Using NL.\n",
e315cd28 1561 vha->host_no, topo));
1da177e4
LT		 1562 ha->current_topology = ISP_CFG_NL;
1563 strcpy(connect_type, "(Loop)");
1564 break;
1565 }
1566
1567 /* Save Host port and loop ID. */
1568 /* byte order - Big Endian */
e315cd28
AC		 1569 vha->d_id.b.domain = domain;
1570 vha->d_id.b.area = area;
1571 vha->d_id.b.al_pa = al_pa;
1da177e4 1572
e315cd28 1573 if (!vha->flags.init_done)
1da177e4
LT		 1574 qla_printk(KERN_INFO, ha,
1575 "Topology - %s, Host Loop address 0x%x\n",
e315cd28 1576 connect_type, vha->loop_id);
1da177e4
LT		 1577
1578 if (rval) {
e315cd28 1579 DEBUG2_3(printk("scsi(%ld): FAILED.\n", vha->host_no));
1da177e4 1580 } else {
e315cd28 1581 DEBUG3(printk("scsi(%ld): exiting normally.\n", vha->host_no));
1da177e4
LT		 1582 }
1583
1584 return(rval);
1585}
1586
9bb9fcf2 1587static inline void
e315cd28
AC		 1588qla2x00_set_model_info(scsi_qla_host_t *vha, uint8_t *model, size_t len,
1589 char *def)
9bb9fcf2
AV		 1590{
1591 char *st, *en;
1592 uint16_t index;
e315cd28 1593 struct qla_hw_data *ha = vha->hw;
1b91a2e6 1594 int use_tbl = !IS_QLA25XX(ha) && !IS_QLA81XX(ha);
9bb9fcf2
AV		 1595
1596 if (memcmp(model, BINZERO, len) != 0) {
1597 strncpy(ha->model_number, model, len);
1598 st = en = ha->model_number;
1599 en += len - 1;
1600 while (en > st) {
1601 if (*en != 0x20 && *en != 0x00)
1602 break;
1603 *en-- = '\0';
1604 }
1605
1606 index = (ha->pdev->subsystem_device & 0xff);
7d0dba17
AV		 1607 if (use_tbl &&
1608 ha->pdev->subsystem_vendor == PCI_VENDOR_ID_QLOGIC &&
9bb9fcf2 1609 index < QLA_MODEL_NAMES)
1ee27146
JC		 1610 strncpy(ha->model_desc,
1611 qla2x00_model_name[index * 2 + 1],
1612 sizeof(ha->model_desc) - 1);
9bb9fcf2
AV		 1613 } else {
1614 index = (ha->pdev->subsystem_device & 0xff);
7d0dba17
AV		 1615 if (use_tbl &&
1616 ha->pdev->subsystem_vendor == PCI_VENDOR_ID_QLOGIC &&
9bb9fcf2
AV		 1617 index < QLA_MODEL_NAMES) {
1618 strcpy(ha->model_number,
1619 qla2x00_model_name[index * 2]);
1ee27146
JC		 1620 strncpy(ha->model_desc,
1621 qla2x00_model_name[index * 2 + 1],
1622 sizeof(ha->model_desc) - 1);
9bb9fcf2
AV		 1623 } else {
1624 strcpy(ha->model_number, def);
1625 }
1626 }
1ee27146 1627 if (IS_FWI2_CAPABLE(ha))
e315cd28 1628 qla2xxx_get_vpd_field(vha, "\x82", ha->model_desc,
1ee27146 1629 sizeof(ha->model_desc));
9bb9fcf2
AV		 1630}
1631
4e08df3f
DM		 1632/* On sparc systems, obtain port and node WWN from firmware
1633 * properties.
1634 */
e315cd28 1635static void qla2xxx_nvram_wwn_from_ofw(scsi_qla_host_t *vha, nvram_t *nv)
4e08df3f
DM		 1636{
1637#ifdef CONFIG_SPARC
e315cd28 1638 struct qla_hw_data *ha = vha->hw;
4e08df3f 1639 struct pci_dev *pdev = ha->pdev;
15576bc8
DM		 1640 struct device_node *dp = pci_device_to_OF_node(pdev);
1641 const u8 *val;
4e08df3f
DM		 1642 int len;
1643
1644 val = of_get_property(dp, "port-wwn", &len);
1645 if (val && len >= WWN_SIZE)
1646 memcpy(nv->port_name, val, WWN_SIZE);
1647
1648 val = of_get_property(dp, "node-wwn", &len);
1649 if (val && len >= WWN_SIZE)
1650 memcpy(nv->node_name, val, WWN_SIZE);
1651#endif
1652}
1653
1da177e4
LT		 1654/*
1655* NVRAM configuration for ISP 2xxx
1656*
1657* Input:
1658* ha = adapter block pointer.
1659*
1660* Output:
1661* initialization control block in response_ring
1662* host adapters parameters in host adapter block
1663*
1664* Returns:
1665* 0 = success.
1666*/
abbd8870 1667int
e315cd28 1668qla2x00_nvram_config(scsi_qla_host_t *vha)
1da177e4 1669{
4e08df3f 1670 int rval;
0107109e
AV		 1671 uint8_t chksum = 0;
1672 uint16_t cnt;
1673 uint8_t *dptr1, *dptr2;
e315cd28 1674 struct qla_hw_data *ha = vha->hw;
0107109e 1675 init_cb_t *icb = ha->init_cb;
281afe19
SJ		 1676 nvram_t *nv = ha->nvram;
1677 uint8_t *ptr = ha->nvram;
3d71644c 1678 struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
1da177e4 1679
4e08df3f
DM		 1680 rval = QLA_SUCCESS;
1681
1da177e4 1682 /* Determine NVRAM starting address. */
0107109e 1683 ha->nvram_size = sizeof(nvram_t);
1da177e4
LT		 1684 ha->nvram_base = 0;
1685 if (!IS_QLA2100(ha) && !IS_QLA2200(ha) && !IS_QLA2300(ha))
1686 if ((RD_REG_WORD(&reg->ctrl_status) >> 14) == 1)
1687 ha->nvram_base = 0x80;
1688
1689 /* Get NVRAM data and calculate checksum. */
e315cd28 1690 ha->isp_ops->read_nvram(vha, ptr, ha->nvram_base, ha->nvram_size);
0107109e
AV		 1691 for (cnt = 0, chksum = 0; cnt < ha->nvram_size; cnt++)
1692 chksum += *ptr++;
1da177e4 1693
e315cd28 1694 DEBUG5(printk("scsi(%ld): Contents of NVRAM\n", vha->host_no));
281afe19 1695 DEBUG5(qla2x00_dump_buffer((uint8_t *)nv, ha->nvram_size));
1da177e4
LT		 1696
1697 /* Bad NVRAM data, set defaults parameters. */
1698 if (chksum || nv->id[0] != 'I' || nv->id[1] != 'S' ||
1699 nv->id[2] != 'P' || nv->id[3] != ' ' || nv->nvram_version < 1) {
1700 /* Reset NVRAM data. */
1701 qla_printk(KERN_WARNING, ha, "Inconsistent NVRAM detected: "
1702 "checksum=0x%x id=%c version=0x%x.\n", chksum, nv->id[0],
1703 nv->nvram_version);
4e08df3f
DM		 1704 qla_printk(KERN_WARNING, ha, "Falling back to functioning (yet "
1705 "invalid -- WWPN) defaults.\n");
1706
1707 /*
1708 * Set default initialization control block.
1709 */
1710 memset(nv, 0, ha->nvram_size);
1711 nv->parameter_block_version = ICB_VERSION;
1712
1713 if (IS_QLA23XX(ha)) {
1714 nv->firmware_options[0] = BIT_2 | BIT_1;
1715 nv->firmware_options[1] = BIT_7 | BIT_5;
1716 nv->add_firmware_options[0] = BIT_5;
1717 nv->add_firmware_options[1] = BIT_5 | BIT_4;
1718 nv->frame_payload_size = __constant_cpu_to_le16(2048);
1719 nv->special_options[1] = BIT_7;
1720 } else if (IS_QLA2200(ha)) {
1721 nv->firmware_options[0] = BIT_2 | BIT_1;
1722 nv->firmware_options[1] = BIT_7 | BIT_5;
1723 nv->add_firmware_options[0] = BIT_5;
1724 nv->add_firmware_options[1] = BIT_5 | BIT_4;
1725 nv->frame_payload_size = __constant_cpu_to_le16(1024);
1726 } else if (IS_QLA2100(ha)) {
1727 nv->firmware_options[0] = BIT_3 | BIT_1;
1728 nv->firmware_options[1] = BIT_5;
1729 nv->frame_payload_size = __constant_cpu_to_le16(1024);
1730 }
1731
1732 nv->max_iocb_allocation = __constant_cpu_to_le16(256);
1733 nv->execution_throttle = __constant_cpu_to_le16(16);
1734 nv->retry_count = 8;
1735 nv->retry_delay = 1;
1736
1737 nv->port_name[0] = 33;
1738 nv->port_name[3] = 224;
1739 nv->port_name[4] = 139;
1740
e315cd28 1741 qla2xxx_nvram_wwn_from_ofw(vha, nv);
4e08df3f
DM		 1742
1743 nv->login_timeout = 4;
1744
1745 /*
1746 * Set default host adapter parameters
1747 */
1748 nv->host_p[1] = BIT_2;
1749 nv->reset_delay = 5;
1750 nv->port_down_retry_count = 8;
1751 nv->max_luns_per_target = __constant_cpu_to_le16(8);
1752 nv->link_down_timeout = 60;
1753
1754 rval = 1;
1da177e4
LT		 1755 }
1756
1757#if defined(CONFIG_IA64_GENERIC) || defined(CONFIG_IA64_SGI_SN2)
1758 /*
1759 * The SN2 does not provide BIOS emulation which means you can't change
1760 * potentially bogus BIOS settings. Force the use of default settings
1761 * for link rate and frame size. Hope that the rest of the settings
1762 * are valid.
1763 */
1764 if (ia64_platform_is("sn2")) {
1765 nv->frame_payload_size = __constant_cpu_to_le16(2048);
1766 if (IS_QLA23XX(ha))
1767 nv->special_options[1] = BIT_7;
1768 }
1769#endif
1770
1771 /* Reset Initialization control block */
0107109e 1772 memset(icb, 0, ha->init_cb_size);
1da177e4
LT		 1773
1774 /*
1775 * Setup driver NVRAM options.
1776 */
1777 nv->firmware_options[0] |= (BIT_6 | BIT_1);
1778 nv->firmware_options[0] &= ~(BIT_5 | BIT_4);
1779 nv->firmware_options[1] |= (BIT_5 | BIT_0);
1780 nv->firmware_options[1] &= ~BIT_4;
1781
1782 if (IS_QLA23XX(ha)) {
1783 nv->firmware_options[0] |= BIT_2;
1784 nv->firmware_options[0] &= ~BIT_3;
0107109e 1785 nv->add_firmware_options[1] |= BIT_5 | BIT_4;
1da177e4
LT		 1786
1787 if (IS_QLA2300(ha)) {
1788 if (ha->fb_rev == FPM_2310) {
1789 strcpy(ha->model_number, "QLA2310");
1790 } else {
1791 strcpy(ha->model_number, "QLA2300");
1792 }
1793 } else {
e315cd28 1794 qla2x00_set_model_info(vha, nv->model_number,
9bb9fcf2 1795 sizeof(nv->model_number), "QLA23xx");
1da177e4
LT		 1796 }
1797 } else if (IS_QLA2200(ha)) {
1798 nv->firmware_options[0] |= BIT_2;
1799 /*
1800 * 'Point-to-point preferred, else loop' is not a safe
1801 * connection mode setting.
1802 */
1803 if ((nv->add_firmware_options[0] & (BIT_6 | BIT_5 | BIT_4)) ==
1804 (BIT_5 | BIT_4)) {
1805 /* Force 'loop preferred, else point-to-point'. */
1806 nv->add_firmware_options[0] &= ~(BIT_6 | BIT_5 | BIT_4);
1807 nv->add_firmware_options[0] |= BIT_5;
1808 }
1809 strcpy(ha->model_number, "QLA22xx");
1810 } else /*if (IS_QLA2100(ha))*/ {
1811 strcpy(ha->model_number, "QLA2100");
1812 }
1813
1814 /*
1815 * Copy over NVRAM RISC parameter block to initialization control block.
1816 */
1817 dptr1 = (uint8_t *)icb;
1818 dptr2 = (uint8_t *)&nv->parameter_block_version;
1819 cnt = (uint8_t *)&icb->request_q_outpointer - (uint8_t *)&icb->version;
1820 while (cnt--)
1821 *dptr1++ = *dptr2++;
1822
1823 /* Copy 2nd half. */
1824 dptr1 = (uint8_t *)icb->add_firmware_options;
1825 cnt = (uint8_t *)icb->reserved_3 - (uint8_t *)icb->add_firmware_options;
1826 while (cnt--)
1827 *dptr1++ = *dptr2++;
1828
5341e868
AV		 1829 /* Use alternate WWN? */
1830 if (nv->host_p[1] & BIT_7) {
1831 memcpy(icb->node_name, nv->alternate_node_name, WWN_SIZE);
1832 memcpy(icb->port_name, nv->alternate_port_name, WWN_SIZE);
1833 }
1834
1da177e4
LT		 1835 /* Prepare nodename */
1836 if ((icb->firmware_options[1] & BIT_6) == 0) {
1837 /*
1838 * Firmware will apply the following mask if the nodename was
1839 * not provided.
1840 */
1841 memcpy(icb->node_name, icb->port_name, WWN_SIZE);
1842 icb->node_name[0] &= 0xF0;
1843 }
1844
1845 /*
1846 * Set host adapter parameters.
1847 */
0181944f 1848 if (nv->host_p[0] & BIT_7)
11010fec 1849 ql2xextended_error_logging = 1;
1da177e4
LT		 1850 ha->flags.disable_risc_code_load = ((nv->host_p[0] & BIT_4) ? 1 : 0);
1851 /* Always load RISC code on non ISP2[12]00 chips. */
1852 if (!IS_QLA2100(ha) && !IS_QLA2200(ha))
1853 ha->flags.disable_risc_code_load = 0;
1854 ha->flags.enable_lip_reset = ((nv->host_p[1] & BIT_1) ? 1 : 0);
1855 ha->flags.enable_lip_full_login = ((nv->host_p[1] & BIT_2) ? 1 : 0);
1856 ha->flags.enable_target_reset = ((nv->host_p[1] & BIT_3) ? 1 : 0);
06c22bd1 1857 ha->flags.enable_led_scheme = (nv->special_options[1] & BIT_4) ? 1 : 0;
d4c760c2 1858 ha->flags.disable_serdes = 0;
1da177e4
LT		 1859
1860 ha->operating_mode =
1861 (icb->add_firmware_options[0] & (BIT_6 | BIT_5 | BIT_4)) >> 4;
1862
1863 memcpy(ha->fw_seriallink_options, nv->seriallink_options,
1864 sizeof(ha->fw_seriallink_options));
1865
1866 /* save HBA serial number */
1867 ha->serial0 = icb->port_name[5];
1868 ha->serial1 = icb->port_name[6];
1869 ha->serial2 = icb->port_name[7];
e315cd28
AC		 1870 memcpy(vha->node_name, icb->node_name, WWN_SIZE);
1871 memcpy(vha->port_name, icb->port_name, WWN_SIZE);
1da177e4
LT		 1872
1873 icb->execution_throttle = __constant_cpu_to_le16(0xFFFF);
1874
1875 ha->retry_count = nv->retry_count;
1876
1877 /* Set minimum login_timeout to 4 seconds. */
1878 if (nv->login_timeout < ql2xlogintimeout)
1879 nv->login_timeout = ql2xlogintimeout;
1880 if (nv->login_timeout < 4)
1881 nv->login_timeout = 4;
1882 ha->login_timeout = nv->login_timeout;
1883 icb->login_timeout = nv->login_timeout;
1884
00a537b8
AV		 1885 /* Set minimum RATOV to 100 tenths of a second. */
1886 ha->r_a_tov = 100;
1da177e4 1887
1da177e4
LT		 1888 ha->loop_reset_delay = nv->reset_delay;
1889
1da177e4
LT		 1890 /* Link Down Timeout = 0:
1891 *
1892 * When Port Down timer expires we will start returning
1893 * I/O's to OS with "DID_NO_CONNECT".
1894 *
1895 * Link Down Timeout != 0:
1896 *
1897 * The driver waits for the link to come up after link down
1898 * before returning I/Os to OS with "DID_NO_CONNECT".
fa2a1ce5 1899 */
1da177e4
LT		 1900 if (nv->link_down_timeout == 0) {
1901 ha->loop_down_abort_time =
354d6b21 1902 (LOOP_DOWN_TIME - LOOP_DOWN_TIMEOUT);
1da177e4
LT		 1903 } else {
1904 ha->link_down_timeout = nv->link_down_timeout;
1905 ha->loop_down_abort_time =
1906 (LOOP_DOWN_TIME - ha->link_down_timeout);
fa2a1ce5 1907 }
1da177e4 1908
1da177e4
LT		 1909 /*
1910 * Need enough time to try and get the port back.
1911 */
1912 ha->port_down_retry_count = nv->port_down_retry_count;
1913 if (qlport_down_retry)
1914 ha->port_down_retry_count = qlport_down_retry;
1915 /* Set login_retry_count */
1916 ha->login_retry_count = nv->retry_count;
1917 if (ha->port_down_retry_count == nv->port_down_retry_count &&
1918 ha->port_down_retry_count > 3)
1919 ha->login_retry_count = ha->port_down_retry_count;
1920 else if (ha->port_down_retry_count > (int)ha->login_retry_count)
1921 ha->login_retry_count = ha->port_down_retry_count;
1922 if (ql2xloginretrycount)
1923 ha->login_retry_count = ql2xloginretrycount;
1924
1da177e4
LT		 1925 icb->lun_enables = __constant_cpu_to_le16(0);
1926 icb->command_resource_count = 0;
1927 icb->immediate_notify_resource_count = 0;
1928 icb->timeout = __constant_cpu_to_le16(0);
1929
1930 if (IS_QLA2100(ha) || IS_QLA2200(ha)) {
1931 /* Enable RIO */
1932 icb->firmware_options[0] &= ~BIT_3;
1933 icb->add_firmware_options[0] &=
1934 ~(BIT_3 | BIT_2 | BIT_1 | BIT_0);
1935 icb->add_firmware_options[0] |= BIT_2;
1936 icb->response_accumulation_timer = 3;
1937 icb->interrupt_delay_timer = 5;
1938
e315cd28 1939 vha->flags.process_response_queue = 1;
1da177e4 1940 } else {
4fdfefe5 1941 /* Enable ZIO. */
e315cd28 1942 if (!vha->flags.init_done) {
4fdfefe5
AV		 1943 ha->zio_mode = icb->add_firmware_options[0] &
1944 (BIT_3 | BIT_2 | BIT_1 | BIT_0);
1945 ha->zio_timer = icb->interrupt_delay_timer ?
1946 icb->interrupt_delay_timer: 2;
1947 }
1da177e4
LT		 1948 icb->add_firmware_options[0] &=
1949 ~(BIT_3 | BIT_2 | BIT_1 | BIT_0);
e315cd28 1950 vha->flags.process_response_queue = 0;
4fdfefe5 1951 if (ha->zio_mode != QLA_ZIO_DISABLED) {
4a59f71d
AV		 1952 ha->zio_mode = QLA_ZIO_MODE_6;
1953
4fdfefe5 1954 DEBUG2(printk("scsi(%ld): ZIO mode %d enabled; timer "
e315cd28 1955 "delay (%d us).\n", vha->host_no, ha->zio_mode,
4fdfefe5 1956 ha->zio_timer * 100));
1da177e4 1957 qla_printk(KERN_INFO, ha,
4fdfefe5
AV		 1958 "ZIO mode %d enabled; timer delay (%d us).\n",
1959 ha->zio_mode, ha->zio_timer * 100);
1da177e4 1960
4fdfefe5
AV		 1961 icb->add_firmware_options[0] |= (uint8_t)ha->zio_mode;
1962 icb->interrupt_delay_timer = (uint8_t)ha->zio_timer;
e315cd28 1963 vha->flags.process_response_queue = 1;
1da177e4
LT		 1964 }
1965 }
1966
4e08df3f
DM		 1967 if (rval) {
1968 DEBUG2_3(printk(KERN_WARNING
e315cd28 1969 "scsi(%ld): NVRAM configuration failed!\n", vha->host_no));
4e08df3f
DM		 1970 }
1971 return (rval);
1da177e4
LT		 1972}
1973
19a7b4ae
JSEC		 1974static void
1975qla2x00_rport_del(void *data)
1976{
1977 fc_port_t *fcport = data;
d97994dc 1978 struct fc_rport *rport;
d97994dc 1979
e315cd28 1980 spin_lock_irq(fcport->vha->host->host_lock);
d97994dc
AV		 1981 rport = fcport->drport;
1982 fcport->drport = NULL;
e315cd28 1983 spin_unlock_irq(fcport->vha->host->host_lock);
d97994dc
AV		 1984 if (rport)
1985 fc_remote_port_delete(rport);
19a7b4ae
JSEC		 1986}
1987
1da177e4
LT		 1988/**
1989 * qla2x00_alloc_fcport() - Allocate a generic fcport.
1990 * @ha: HA context
1991 * @flags: allocation flags
1992 *
1993 * Returns a pointer to the allocated fcport, or NULL, if none available.
1994 */
413975a0 1995static fc_port_t *
e315cd28 1996qla2x00_alloc_fcport(scsi_qla_host_t *vha, gfp_t flags)
1da177e4
LT		 1997{
1998 fc_port_t *fcport;
1999
bbfbbbc1
MK		 2000 fcport = kzalloc(sizeof(fc_port_t), flags);
2001 if (!fcport)
2002 return NULL;
1da177e4
LT		 2003
2004 /* Setup fcport template structure. */
e315cd28
AC		 2005 fcport->vha = vha;
2006 fcport->vp_idx = vha->vp_idx;
1da177e4
LT		 2007 fcport->port_type = FCT_UNKNOWN;
2008 fcport->loop_id = FC_NO_LOOP_ID;
1da177e4 2009 atomic_set(&fcport->state, FCS_UNCONFIGURED);
ad3e0eda 2010 fcport->supported_classes = FC_COS_UNSPECIFIED;
1da177e4 2011
bbfbbbc1 2012 return fcport;
1da177e4
LT		 2013}
2014
2015/*
2016 * qla2x00_configure_loop
2017 * Updates Fibre Channel Device Database with what is actually on loop.
2018 *
2019 * Input:
2020 * ha = adapter block pointer.
2021 *
2022 * Returns:
2023 * 0 = success.
2024 * 1 = error.
2025 * 2 = database was full and device was not configured.
2026 */
2027static int
e315cd28 2028qla2x00_configure_loop(scsi_qla_host_t *vha)
1da177e4
LT		 2029{
2030 int rval;
2031 unsigned long flags, save_flags;
e315cd28 2032 struct qla_hw_data *ha = vha->hw;
1da177e4
LT		 2033 rval = QLA_SUCCESS;
2034
2035 /* Get Initiator ID */
e315cd28
AC		 2036 if (test_bit(LOCAL_LOOP_UPDATE, &vha->dpc_flags)) {
2037 rval = qla2x00_configure_hba(vha);
1da177e4
LT		 2038 if (rval != QLA_SUCCESS) {
2039 DEBUG(printk("scsi(%ld): Unable to configure HBA.\n",
e315cd28 2040 vha->host_no));
1da177e4
LT		 2041 return (rval);
2042 }
2043 }
2044
e315cd28 2045 save_flags = flags = vha->dpc_flags;
1da177e4 2046 DEBUG(printk("scsi(%ld): Configure loop -- dpc flags =0x%lx\n",
e315cd28 2047 vha->host_no, flags));
1da177e4
LT		 2048
2049 /*
2050 * If we have both an RSCN and PORT UPDATE pending then handle them
2051 * both at the same time.
2052 */
e315cd28
AC		 2053 clear_bit(LOCAL_LOOP_UPDATE, &vha->dpc_flags);
2054 clear_bit(RSCN_UPDATE, &vha->dpc_flags);
1da177e4
LT		 2055
2056 /* Determine what we need to do */
2057 if (ha->current_topology == ISP_CFG_FL &&
2058 (test_bit(LOCAL_LOOP_UPDATE, &flags))) {
2059
e315cd28 2060 vha->flags.rscn_queue_overflow = 1;
1da177e4
LT		 2061 set_bit(RSCN_UPDATE, &flags);
2062
2063 } else if (ha->current_topology == ISP_CFG_F &&
2064 (test_bit(LOCAL_LOOP_UPDATE, &flags))) {
2065
e315cd28 2066 vha->flags.rscn_queue_overflow = 1;
1da177e4
LT		 2067 set_bit(RSCN_UPDATE, &flags);
2068 clear_bit(LOCAL_LOOP_UPDATE, &flags);
21333b48
AV		 2069
2070 } else if (ha->current_topology == ISP_CFG_N) {
2071 clear_bit(RSCN_UPDATE, &flags);
1da177e4 2072
e315cd28 2073 } else if (!vha->flags.online ||
1da177e4
LT		 2074 (test_bit(ABORT_ISP_ACTIVE, &flags))) {
2075
e315cd28 2076 vha->flags.rscn_queue_overflow = 1;
1da177e4
LT		 2077 set_bit(RSCN_UPDATE, &flags);
2078 set_bit(LOCAL_LOOP_UPDATE, &flags);
2079 }
2080
2081 if (test_bit(LOCAL_LOOP_UPDATE, &flags)) {
e315cd28 2082 if (test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags))
1da177e4 2083 rval = QLA_FUNCTION_FAILED;
e315cd28
AC		 2084 else
2085 rval = qla2x00_configure_local_loop(vha);
1da177e4
LT		 2086 }
2087
2088 if (rval == QLA_SUCCESS && test_bit(RSCN_UPDATE, &flags)) {
e315cd28 2089 if (LOOP_TRANSITION(vha))
1da177e4 2090 rval = QLA_FUNCTION_FAILED;
e315cd28
AC		 2091 else
2092 rval = qla2x00_configure_fabric(vha);
1da177e4
LT		 2093 }
2094
2095 if (rval == QLA_SUCCESS) {
e315cd28
AC		 2096 if (atomic_read(&vha->loop_down_timer) ||
2097 test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags)) {
1da177e4
LT		 2098 rval = QLA_FUNCTION_FAILED;
2099 } else {
e315cd28 2100 atomic_set(&vha->loop_state, LOOP_READY);
1da177e4 2101
e315cd28 2102 DEBUG(printk("scsi(%ld): LOOP READY\n", vha->host_no));
1da177e4
LT		 2103 }
2104 }
2105
2106 if (rval) {
2107 DEBUG2_3(printk("%s(%ld): *** FAILED ***\n",
e315cd28 2108 __func__, vha->host_no));
1da177e4
LT		 2109 } else {
2110 DEBUG3(printk("%s: exiting normally\n", __func__));
2111 }
2112
cc3ef7bc 2113 /* Restore state if a resync event occurred during processing */
e315cd28 2114 if (test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags)) {
1da177e4 2115 if (test_bit(LOCAL_LOOP_UPDATE, &save_flags))
e315cd28 2116 set_bit(LOCAL_LOOP_UPDATE, &vha->dpc_flags);
f4658b6c 2117 if (test_bit(RSCN_UPDATE, &save_flags)) {
e315cd28 2118 set_bit(RSCN_UPDATE, &vha->dpc_flags);
f4658b6c
AV		 2119 vha->flags.rscn_queue_overflow = 1;
2120 }
1da177e4
LT		 2121 }
2122
2123 return (rval);
2124}
2125
2126
2127
2128/*
2129 * qla2x00_configure_local_loop
2130 * Updates Fibre Channel Device Database with local loop devices.
2131 *
2132 * Input:
2133 * ha = adapter block pointer.
2134 *
2135 * Returns:
2136 * 0 = success.
2137 */
2138static int
e315cd28 2139qla2x00_configure_local_loop(scsi_qla_host_t *vha)
1da177e4
LT		 2140{
2141 int rval, rval2;
2142 int found_devs;
2143 int found;
2144 fc_port_t *fcport, *new_fcport;
2145
2146 uint16_t index;
2147 uint16_t entries;
2148 char *id_iter;
2149 uint16_t loop_id;
2150 uint8_t domain, area, al_pa;
e315cd28 2151 struct qla_hw_data *ha = vha->hw;
1da177e4
LT		 2152
2153 found_devs = 0;
2154 new_fcport = NULL;
2155 entries = MAX_FIBRE_DEVICES;
2156
e315cd28
AC		 2157 DEBUG3(printk("scsi(%ld): Getting FCAL position map\n", vha->host_no));
2158 DEBUG3(qla2x00_get_fcal_position_map(vha, NULL));
1da177e4
LT		 2159
2160 /* Get list of logged in devices. */
2161 memset(ha->gid_list, 0, GID_LIST_SIZE);
e315cd28 2162 rval = qla2x00_get_id_list(vha, ha->gid_list, ha->gid_list_dma,
1da177e4
LT		 2163 &entries);
2164 if (rval != QLA_SUCCESS)
2165 goto cleanup_allocation;
2166
2167 DEBUG3(printk("scsi(%ld): Entries in ID list (%d)\n",
7640335e 2168 vha->host_no, entries));
1da177e4
LT		 2169 DEBUG3(qla2x00_dump_buffer((uint8_t *)ha->gid_list,
2170 entries * sizeof(struct gid_list_info)));
2171
2172 /* Allocate temporary fcport for any new fcports discovered. */
e315cd28 2173 new_fcport = qla2x00_alloc_fcport(vha, GFP_KERNEL);
1da177e4
LT		 2174 if (new_fcport == NULL) {
2175 rval = QLA_MEMORY_ALLOC_FAILED;
2176 goto cleanup_allocation;
2177 }
2178 new_fcport->flags &= ~FCF_FABRIC_DEVICE;
2179
2180 /*
2181 * Mark local devices that were present with FCF_DEVICE_LOST for now.
2182 */
e315cd28 2183 list_for_each_entry(fcport, &vha->vp_fcports, list) {
1da177e4
LT		 2184 if (atomic_read(&fcport->state) == FCS_ONLINE &&
2185 fcport->port_type != FCT_BROADCAST &&
2186 (fcport->flags & FCF_FABRIC_DEVICE) == 0) {
2187
2188 DEBUG(printk("scsi(%ld): Marking port lost, "
2189 "loop_id=0x%04x\n",
e315cd28 2190 vha->host_no, fcport->loop_id));
1da177e4
LT		 2191
2192 atomic_set(&fcport->state, FCS_DEVICE_LOST);
1da177e4
LT		 2193 }
2194 }
2195
2196 /* Add devices to port list. */
2197 id_iter = (char *)ha->gid_list;
2198 for (index = 0; index < entries; index++) {
2199 domain = ((struct gid_list_info *)id_iter)->domain;
2200 area = ((struct gid_list_info *)id_iter)->area;
2201 al_pa = ((struct gid_list_info *)id_iter)->al_pa;
abbd8870 2202 if (IS_QLA2100(ha) || IS_QLA2200(ha))
1da177e4
LT		 2203 loop_id = (uint16_t)
2204 ((struct gid_list_info *)id_iter)->loop_id_2100;
abbd8870 2205 else
1da177e4
LT		 2206 loop_id = le16_to_cpu(
2207 ((struct gid_list_info *)id_iter)->loop_id);
abbd8870 2208 id_iter += ha->gid_list_info_size;
1da177e4
LT		 2209
2210 /* Bypass reserved domain fields. */
2211 if ((domain & 0xf0) == 0xf0)
2212 continue;
2213
2214 /* Bypass if not same domain and area of adapter. */
f7d289f6 2215 if (area && domain &&
e315cd28 2216 (area != vha->d_id.b.area || domain != vha->d_id.b.domain))
1da177e4
LT		 2217 continue;
2218
2219 /* Bypass invalid local loop ID. */
2220 if (loop_id > LAST_LOCAL_LOOP_ID)
2221 continue;
2222
2223 /* Fill in member data. */
2224 new_fcport->d_id.b.domain = domain;
2225 new_fcport->d_id.b.area = area;
2226 new_fcport->d_id.b.al_pa = al_pa;
2227 new_fcport->loop_id = loop_id;
e315cd28
AC		 2228 new_fcport->vp_idx = vha->vp_idx;
2229 rval2 = qla2x00_get_port_database(vha, new_fcport, 0);
1da177e4
LT		 2230 if (rval2 != QLA_SUCCESS) {
2231 DEBUG2(printk("scsi(%ld): Failed to retrieve fcport "
2232 "information -- get_port_database=%x, "
2233 "loop_id=0x%04x\n",
e315cd28 2234 vha->host_no, rval2, new_fcport->loop_id));
c9d02acf 2235 DEBUG2(printk("scsi(%ld): Scheduling resync...\n",
e315cd28
AC		 2236 vha->host_no));
2237 set_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags);
1da177e4
LT		 2238 continue;
2239 }
2240
2241 /* Check for matching device in port list. */
2242 found = 0;
2243 fcport = NULL;
e315cd28 2244 list_for_each_entry(fcport, &vha->vp_fcports, list) {
1da177e4
LT		 2245 if (memcmp(new_fcport->port_name, fcport->port_name,
2246 WWN_SIZE))
2247 continue;
2248
ddb9b126 2249 fcport->flags &= ~FCF_FABRIC_DEVICE;
1da177e4
LT		 2250 fcport->loop_id = new_fcport->loop_id;
2251 fcport->port_type = new_fcport->port_type;
2252 fcport->d_id.b24 = new_fcport->d_id.b24;
2253 memcpy(fcport->node_name, new_fcport->node_name,
2254 WWN_SIZE);
2255
2256 found++;
2257 break;
2258 }
2259
2260 if (!found) {
2261 /* New device, add to fcports list. */
e315cd28
AC		 2262 if (vha->vp_idx) {
2263 new_fcport->vha = vha;
2264 new_fcport->vp_idx = vha->vp_idx;
2c3dfe3f 2265 }
e315cd28 2266 list_add_tail(&new_fcport->list, &vha->vp_fcports);
1da177e4
LT		 2267
2268 /* Allocate a new replacement fcport. */
2269 fcport = new_fcport;
e315cd28 2270 new_fcport = qla2x00_alloc_fcport(vha, GFP_KERNEL);
1da177e4
LT		 2271 if (new_fcport == NULL) {
2272 rval = QLA_MEMORY_ALLOC_FAILED;
2273 goto cleanup_allocation;
2274 }
2275 new_fcport->flags &= ~FCF_FABRIC_DEVICE;
2276 }
2277
d8b45213 2278 /* Base iIDMA settings on HBA port speed. */
a3cbdfad 2279 fcport->fp_speed = ha->link_data_rate;
d8b45213 2280
e315cd28 2281 qla2x00_update_fcport(vha, fcport);
1da177e4
LT		 2282
2283 found_devs++;
2284 }
2285
2286cleanup_allocation:
c9475cb0 2287 kfree(new_fcport);
1da177e4
LT		 2288
2289 if (rval != QLA_SUCCESS) {
2290 DEBUG2(printk("scsi(%ld): Configure local loop error exit: "
e315cd28 2291 "rval=%x\n", vha->host_no, rval));
1da177e4
LT		 2292 }
2293
1da177e4
LT		 2294 return (rval);
2295}
2296
d8b45213 2297static void
e315cd28 2298qla2x00_iidma_fcport(scsi_qla_host_t *vha, fc_port_t *fcport)
d8b45213
AV		 2299{
2300#define LS_UNKNOWN 2
9f8fddee
AV		 2301 static char *link_speeds[] = { "1", "2", "?", "4", "8", "10" };
2302 char *link_speed;
d8b45213 2303 int rval;
1bb39548 2304 uint16_t mb[4];
e315cd28 2305 struct qla_hw_data *ha = vha->hw;
d8b45213 2306
c76f2c01 2307 if (!IS_IIDMA_CAPABLE(ha))
d8b45213
AV		 2308 return;
2309
39bd9622
AV		 2310 if (fcport->fp_speed == PORT_SPEED_UNKNOWN ||
2311 fcport->fp_speed > ha->link_data_rate)
d8b45213
AV		 2312 return;
2313
e315cd28 2314 rval = qla2x00_set_idma_speed(vha, fcport->loop_id, fcport->fp_speed,
a3cbdfad 2315 mb);
d8b45213
AV		 2316 if (rval != QLA_SUCCESS) {
2317 DEBUG2(printk("scsi(%ld): Unable to adjust iIDMA "
2318 "%02x%02x%02x%02x%02x%02x%02x%02x -- %04x %x %04x %04x.\n",
e315cd28 2319 vha->host_no, fcport->port_name[0], fcport->port_name[1],
d8b45213
AV		 2320 fcport->port_name[2], fcport->port_name[3],
2321 fcport->port_name[4], fcport->port_name[5],
2322 fcport->port_name[6], fcport->port_name[7], rval,
a3cbdfad 2323 fcport->fp_speed, mb[0], mb[1]));
d8b45213 2324 } else {
9f8fddee
AV		 2325 link_speed = link_speeds[LS_UNKNOWN];
2326 if (fcport->fp_speed < 5)
2327 link_speed = link_speeds[fcport->fp_speed];
2328 else if (fcport->fp_speed == 0x13)
2329 link_speed = link_speeds[5];
d8b45213
AV		 2330 DEBUG2(qla_printk(KERN_INFO, ha,
2331 "iIDMA adjusted to %s GB/s on "
2332 "%02x%02x%02x%02x%02x%02x%02x%02x.\n",
9f8fddee 2333 link_speed, fcport->port_name[0],
d8b45213
AV		 2334 fcport->port_name[1], fcport->port_name[2],
2335 fcport->port_name[3], fcport->port_name[4],
2336 fcport->port_name[5], fcport->port_name[6],
2337 fcport->port_name[7]));
2338 }
2339}
2340
23be331d 2341static void
e315cd28 2342qla2x00_reg_remote_port(scsi_qla_host_t *vha, fc_port_t *fcport)
8482e118
AV		 2343{
2344 struct fc_rport_identifiers rport_ids;
bdf79621 2345 struct fc_rport *rport;
e315cd28 2346 struct qla_hw_data *ha = vha->hw;
8482e118 2347
d97994dc
AV		 2348 if (fcport->drport)
2349 qla2x00_rport_del(fcport);
8482e118 2350
f8b02a85
AV		 2351 rport_ids.node_name = wwn_to_u64(fcport->node_name);
2352 rport_ids.port_name = wwn_to_u64(fcport->port_name);
8482e118
AV		 2353 rport_ids.port_id = fcport->d_id.b.domain << 16 |
2354 fcport->d_id.b.area << 8 | fcport->d_id.b.al_pa;
77d74143 2355 rport_ids.roles = FC_RPORT_ROLE_UNKNOWN;
e315cd28 2356 fcport->rport = rport = fc_remote_port_add(vha->host, 0, &rport_ids);
77d74143
AV		 2357 if (!rport) {
2358 qla_printk(KERN_WARNING, ha,
2359 "Unable to allocate fc remote port!\n");
2360 return;
2361 }
e315cd28 2362 spin_lock_irq(fcport->vha->host->host_lock);
19a7b4ae 2363 *((fc_port_t **)rport->dd_data) = fcport;
e315cd28 2364 spin_unlock_irq(fcport->vha->host->host_lock);
d97994dc 2365
ad3e0eda 2366 rport->supported_classes = fcport->supported_classes;
77d74143 2367
8482e118
AV		 2368 rport_ids.roles = FC_RPORT_ROLE_UNKNOWN;
2369 if (fcport->port_type == FCT_INITIATOR)
2370 rport_ids.roles |= FC_RPORT_ROLE_FCP_INITIATOR;
2371 if (fcport->port_type == FCT_TARGET)
2372 rport_ids.roles |= FC_RPORT_ROLE_FCP_TARGET;
77d74143 2373 fc_remote_port_rolechg(rport, rport_ids.roles);
1da177e4
LT		 2374}
2375
23be331d
AB		 2376/*
2377 * qla2x00_update_fcport
2378 * Updates device on list.
2379 *
2380 * Input:
2381 * ha = adapter block pointer.
2382 * fcport = port structure pointer.
2383 *
2384 * Return:
2385 * 0 - Success
2386 * BIT_0 - error
2387 *
2388 * Context:
2389 * Kernel context.
2390 */
2391void
e315cd28 2392qla2x00_update_fcport(scsi_qla_host_t *vha, fc_port_t *fcport)
23be331d 2393{
e315cd28 2394 struct qla_hw_data *ha = vha->hw;
2c3dfe3f 2395
e315cd28 2396 fcport->vha = vha;
23be331d 2397 fcport->login_retry = 0;
e315cd28 2398 fcport->port_login_retry_count = ha->port_down_retry_count *
23be331d 2399 PORT_RETRY_TIME;
e315cd28 2400 atomic_set(&fcport->port_down_timer, ha->port_down_retry_count *
23be331d
AB		 2401 PORT_RETRY_TIME);
2402 fcport->flags &= ~FCF_LOGIN_NEEDED;
2403
e315cd28 2404 qla2x00_iidma_fcport(vha, fcport);
23be331d
AB		 2405
2406 atomic_set(&fcport->state, FCS_ONLINE);
2407
e315cd28 2408 qla2x00_reg_remote_port(vha, fcport);
23be331d
AB		 2409}
2410
1da177e4
LT		 2411/*
2412 * qla2x00_configure_fabric
2413 * Setup SNS devices with loop ID's.
2414 *
2415 * Input:
2416 * ha = adapter block pointer.
2417 *
2418 * Returns:
2419 * 0 = success.
2420 * BIT_0 = error
2421 */
2422static int
e315cd28 2423qla2x00_configure_fabric(scsi_qla_host_t *vha)
1da177e4
LT		 2424{
2425 int rval, rval2;
2426 fc_port_t *fcport, *fcptemp;
2427 uint16_t next_loopid;
2428 uint16_t mb[MAILBOX_REGISTER_COUNT];
0107109e 2429 uint16_t loop_id;
1da177e4 2430 LIST_HEAD(new_fcports);
e315cd28
AC		 2431 struct qla_hw_data *ha = vha->hw;
2432 struct scsi_qla_host *base_vha = pci_get_drvdata(ha->pdev);
1da177e4
LT		 2433
2434 /* If FL port exists, then SNS is present */
e428924c 2435 if (IS_FWI2_CAPABLE(ha))
0107109e
AV		 2436 loop_id = NPH_F_PORT;
2437 else
2438 loop_id = SNS_FL_PORT;
e315cd28 2439 rval = qla2x00_get_port_name(vha, loop_id, vha->fabric_node_name, 1);
1da177e4
LT		 2440 if (rval != QLA_SUCCESS) {
2441 DEBUG2(printk("scsi(%ld): MBC_GET_PORT_NAME Failed, No FL "
e315cd28 2442 "Port\n", vha->host_no));
1da177e4 2443
e315cd28 2444 vha->device_flags &= ~SWITCH_FOUND;
1da177e4
LT		 2445 return (QLA_SUCCESS);
2446 }
e315cd28 2447 vha->device_flags |= SWITCH_FOUND;
1da177e4
LT		 2448
2449 /* Mark devices that need re-synchronization. */
e315cd28 2450 rval2 = qla2x00_device_resync(vha);
1da177e4
LT		 2451 if (rval2 == QLA_RSCNS_HANDLED) {
2452 /* No point doing the scan, just continue. */
2453 return (QLA_SUCCESS);
2454 }
2455 do {
cca5335c
AV		 2456 /* FDMI support. */
2457 if (ql2xfdmienable &&
e315cd28
AC		 2458 test_and_clear_bit(REGISTER_FDMI_NEEDED, &vha->dpc_flags))
2459 qla2x00_fdmi_register(vha);
cca5335c 2460
1da177e4 2461 /* Ensure we are logged into the SNS. */
e428924c 2462 if (IS_FWI2_CAPABLE(ha))
0107109e
AV		 2463 loop_id = NPH_SNS;
2464 else
2465 loop_id = SIMPLE_NAME_SERVER;
e315cd28 2466 ha->isp_ops->fabric_login(vha, loop_id, 0xff, 0xff,
abbd8870 2467 0xfc, mb, BIT_1 | BIT_0);
1da177e4
LT		 2468 if (mb[0] != MBS_COMMAND_COMPLETE) {
2469 DEBUG2(qla_printk(KERN_INFO, ha,
2470 "Failed SNS login: loop_id=%x mb[0]=%x mb[1]=%x "
0107109e 2471 "mb[2]=%x mb[6]=%x mb[7]=%x\n", loop_id,
1da177e4
LT		 2472 mb[0], mb[1], mb[2], mb[6], mb[7]));
2473 return (QLA_SUCCESS);
2474 }
2475
e315cd28
AC		 2476 if (test_and_clear_bit(REGISTER_FC4_NEEDED, &vha->dpc_flags)) {
2477 if (qla2x00_rft_id(vha)) {
1da177e4
LT		 2478 /* EMPTY */
2479 DEBUG2(printk("scsi(%ld): Register FC-4 "
e315cd28 2480 "TYPE failed.\n", vha->host_no));
1da177e4 2481 }
e315cd28 2482 if (qla2x00_rff_id(vha)) {
1da177e4
LT		 2483 /* EMPTY */
2484 DEBUG2(printk("scsi(%ld): Register FC-4 "
e315cd28 2485 "Features failed.\n", vha->host_no));
1da177e4 2486 }
e315cd28 2487 if (qla2x00_rnn_id(vha)) {
1da177e4
LT		 2488 /* EMPTY */
2489 DEBUG2(printk("scsi(%ld): Register Node Name "
e315cd28
AC		 2490 "failed.\n", vha->host_no));
2491 } else if (qla2x00_rsnn_nn(vha)) {
1da177e4
LT		 2492 /* EMPTY */
2493 DEBUG2(printk("scsi(%ld): Register Symbolic "
e315cd28 2494 "Node Name failed.\n", vha->host_no));
1da177e4
LT		 2495 }
2496 }
2497
e315cd28 2498 rval = qla2x00_find_all_fabric_devs(vha, &new_fcports);
1da177e4
LT		 2499 if (rval != QLA_SUCCESS)
2500 break;
2501
2502 /*
2503 * Logout all previous fabric devices marked lost, except
2504 * tape devices.
2505 */
e315cd28
AC		 2506 list_for_each_entry(fcport, &vha->vp_fcports, list) {
2507 if (test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags))
1da177e4
LT		 2508 break;
2509
2510 if ((fcport->flags & FCF_FABRIC_DEVICE) == 0)
2511 continue;
2512
2513 if (atomic_read(&fcport->state) == FCS_DEVICE_LOST) {
e315cd28 2514 qla2x00_mark_device_lost(vha, fcport,
d97994dc 2515 ql2xplogiabsentdevice, 0);
1da177e4
LT		 2516 if (fcport->loop_id != FC_NO_LOOP_ID &&
2517 (fcport->flags & FCF_TAPE_PRESENT) == 0 &&
2518 fcport->port_type != FCT_INITIATOR &&
2519 fcport->port_type != FCT_BROADCAST) {
e315cd28 2520 ha->isp_ops->fabric_logout(vha,
1c7c6357
AV		 2521 fcport->loop_id,
2522 fcport->d_id.b.domain,
2523 fcport->d_id.b.area,
2524 fcport->d_id.b.al_pa);
1da177e4
LT		 2525 fcport->loop_id = FC_NO_LOOP_ID;
2526 }
2527 }
2528 }
2529
2530 /* Starting free loop ID. */
e315cd28 2531 next_loopid = ha->min_external_loopid;
1da177e4
LT		 2532
2533 /*
2534 * Scan through our port list and login entries that need to be
2535 * logged in.
2536 */
e315cd28
AC		 2537 list_for_each_entry(fcport, &vha->vp_fcports, list) {
2538 if (atomic_read(&vha->loop_down_timer) ||
2539 test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags))
1da177e4
LT		 2540 break;
2541
2542 if ((fcport->flags & FCF_FABRIC_DEVICE) == 0 ||
2543 (fcport->flags & FCF_LOGIN_NEEDED) == 0)
2544 continue;
2545
2546 if (fcport->loop_id == FC_NO_LOOP_ID) {
2547 fcport->loop_id = next_loopid;
d4486fd6 2548 rval = qla2x00_find_new_loop_id(
e315cd28 2549 base_vha, fcport);
1da177e4
LT		 2550 if (rval != QLA_SUCCESS) {
2551 /* Ran out of IDs to use */
2552 break;
2553 }
2554 }
1da177e4 2555 /* Login and update database */
e315cd28 2556 qla2x00_fabric_dev_login(vha, fcport, &next_loopid);
1da177e4
LT		 2557 }
2558
2559 /* Exit if out of loop IDs. */
2560 if (rval != QLA_SUCCESS) {
2561 break;
2562 }
2563
2564 /*
2565 * Login and add the new devices to our port list.
2566 */
2567 list_for_each_entry_safe(fcport, fcptemp, &new_fcports, list) {
e315cd28
AC		 2568 if (atomic_read(&vha->loop_down_timer) ||
2569 test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags))
1da177e4
LT		 2570 break;
2571
2572 /* Find a new loop ID to use. */
2573 fcport->loop_id = next_loopid;
e315cd28 2574 rval = qla2x00_find_new_loop_id(base_vha, fcport);
1da177e4
LT		 2575 if (rval != QLA_SUCCESS) {
2576 /* Ran out of IDs to use */
2577 break;
2578 }
2579
bdf79621 2580 /* Login and update database */
e315cd28
AC		 2581 qla2x00_fabric_dev_login(vha, fcport, &next_loopid);
2582
2583 if (vha->vp_idx) {
2584 fcport->vha = vha;
2585 fcport->vp_idx = vha->vp_idx;
2586 }
2587 list_move_tail(&fcport->list, &vha->vp_fcports);
1da177e4
LT		 2588 }
2589 } while (0);
2590
2591 /* Free all new device structures not processed. */
2592 list_for_each_entry_safe(fcport, fcptemp, &new_fcports, list) {
2593 list_del(&fcport->list);
2594 kfree(fcport);
2595 }
2596
2597 if (rval) {
2598 DEBUG2(printk("scsi(%ld): Configure fabric error exit: "
e315cd28 2599 "rval=%d\n", vha->host_no, rval));
1da177e4
LT		 2600 }
2601
2602 return (rval);
2603}
2604
2605
2606/*
2607 * qla2x00_find_all_fabric_devs
2608 *
2609 * Input:
2610 * ha = adapter block pointer.
2611 * dev = database device entry pointer.
2612 *
2613 * Returns:
2614 * 0 = success.
2615 *
2616 * Context:
2617 * Kernel context.
2618 */
2619static int
e315cd28
AC		 2620qla2x00_find_all_fabric_devs(scsi_qla_host_t *vha,
2621 struct list_head *new_fcports)
1da177e4
LT		 2622{
2623 int rval;
2624 uint16_t loop_id;
2625 fc_port_t *fcport, *new_fcport, *fcptemp;
2626 int found;
2627
2628 sw_info_t *swl;
2629 int swl_idx;
2630 int first_dev, last_dev;
2631 port_id_t wrap, nxt_d_id;
e315cd28
AC		 2632 struct qla_hw_data *ha = vha->hw;
2633 struct scsi_qla_host *vp, *base_vha = pci_get_drvdata(ha->pdev);
ee546b6e 2634 struct scsi_qla_host *tvp;
1da177e4
LT		 2635
2636 rval = QLA_SUCCESS;
2637
2638 /* Try GID_PT to get device list, else GAN. */
4b89258c 2639 swl = kcalloc(MAX_FIBRE_DEVICES, sizeof(sw_info_t), GFP_KERNEL);
bbfbbbc1 2640 if (!swl) {
1da177e4
LT		 2641 /*EMPTY*/
2642 DEBUG2(printk("scsi(%ld): GID_PT allocations failed, fallback "
e315cd28 2643 "on GA_NXT\n", vha->host_no));
1da177e4 2644 } else {
e315cd28 2645 if (qla2x00_gid_pt(vha, swl) != QLA_SUCCESS) {
1da177e4
LT		 2646 kfree(swl);
2647 swl = NULL;
e315cd28 2648 } else if (qla2x00_gpn_id(vha, swl) != QLA_SUCCESS) {
1da177e4
LT		 2649 kfree(swl);
2650 swl = NULL;
e315cd28 2651 } else if (qla2x00_gnn_id(vha, swl) != QLA_SUCCESS) {
1da177e4
LT		 2652 kfree(swl);
2653 swl = NULL;
e5896bd5 2654 } else if (ql2xiidmaenable &&
e315cd28
AC		 2655 qla2x00_gfpn_id(vha, swl) == QLA_SUCCESS) {
2656 qla2x00_gpsc(vha, swl);
1da177e4
LT		 2657 }
2658 }
2659 swl_idx = 0;
2660
2661 /* Allocate temporary fcport for any new fcports discovered. */
e315cd28 2662 new_fcport = qla2x00_alloc_fcport(vha, GFP_KERNEL);
1da177e4 2663 if (new_fcport == NULL) {
c9475cb0 2664 kfree(swl);
1da177e4
LT		 2665 return (QLA_MEMORY_ALLOC_FAILED);
2666 }
2667 new_fcport->flags |= (FCF_FABRIC_DEVICE | FCF_LOGIN_NEEDED);
1da177e4
LT		 2668 /* Set start port ID scan at adapter ID. */
2669 first_dev = 1;
2670 last_dev = 0;
2671
2672 /* Starting free loop ID. */
e315cd28
AC		 2673 loop_id = ha->min_external_loopid;
2674 for (; loop_id <= ha->max_loop_id; loop_id++) {
2675 if (qla2x00_is_reserved_id(vha, loop_id))
1da177e4
LT		 2676 continue;
2677
e315cd28 2678 if (atomic_read(&vha->loop_down_timer) || LOOP_TRANSITION(vha))
1da177e4
LT		 2679 break;
2680
2681 if (swl != NULL) {
2682 if (last_dev) {
2683 wrap.b24 = new_fcport->d_id.b24;
2684 } else {
2685 new_fcport->d_id.b24 = swl[swl_idx].d_id.b24;
2686 memcpy(new_fcport->node_name,
2687 swl[swl_idx].node_name, WWN_SIZE);
2688 memcpy(new_fcport->port_name,
2689 swl[swl_idx].port_name, WWN_SIZE);
d8b45213
AV		 2690 memcpy(new_fcport->fabric_port_name,
2691 swl[swl_idx].fabric_port_name, WWN_SIZE);
2692 new_fcport->fp_speed = swl[swl_idx].fp_speed;
1da177e4
LT		 2693
2694 if (swl[swl_idx].d_id.b.rsvd_1 != 0) {
2695 last_dev = 1;
2696 }
2697 swl_idx++;
2698 }
2699 } else {
2700 /* Send GA_NXT to the switch */
e315cd28 2701 rval = qla2x00_ga_nxt(vha, new_fcport);
1da177e4
LT		 2702 if (rval != QLA_SUCCESS) {
2703 qla_printk(KERN_WARNING, ha,
2704 "SNS scan failed -- assuming zero-entry "
2705 "result...\n");
2706 list_for_each_entry_safe(fcport, fcptemp,
2707 new_fcports, list) {
2708 list_del(&fcport->list);
2709 kfree(fcport);
2710 }
2711 rval = QLA_SUCCESS;
2712 break;
2713 }
2714 }
2715
2716 /* If wrap on switch device list, exit. */
2717 if (first_dev) {
2718 wrap.b24 = new_fcport->d_id.b24;
2719 first_dev = 0;
2720 } else if (new_fcport->d_id.b24 == wrap.b24) {
2721 DEBUG2(printk("scsi(%ld): device wrap (%02x%02x%02x)\n",
e315cd28 2722 vha->host_no, new_fcport->d_id.b.domain,
1da177e4
LT		 2723 new_fcport->d_id.b.area, new_fcport->d_id.b.al_pa));
2724 break;
2725 }
2726
2c3dfe3f 2727 /* Bypass if same physical adapter. */
e315cd28 2728 if (new_fcport->d_id.b24 == base_vha->d_id.b24)
1da177e4
LT		 2729 continue;
2730
2c3dfe3f 2731 /* Bypass virtual ports of the same host. */
e315cd28
AC		 2732 found = 0;
2733 if (ha->num_vhosts) {
ee546b6e 2734 list_for_each_entry_safe(vp, tvp, &ha->vp_list, list) {
e315cd28
AC		 2735 if (new_fcport->d_id.b24 == vp->d_id.b24) {
2736 found = 1;
2c3dfe3f 2737 break;
e315cd28 2738 }
2c3dfe3f 2739 }
e315cd28 2740 if (found)
2c3dfe3f
SJ		 2741 continue;
2742 }
2743
f7d289f6
AV		 2744 /* Bypass if same domain and area of adapter. */
2745 if (((new_fcport->d_id.b24 & 0xffff00) ==
e315cd28 2746 (vha->d_id.b24 & 0xffff00)) && ha->current_topology ==
f7d289f6
AV		 2747 ISP_CFG_FL)
2748 continue;
2749
1da177e4
LT		 2750 /* Bypass reserved domain fields. */
2751 if ((new_fcport->d_id.b.domain & 0xf0) == 0xf0)
2752 continue;
2753
2754 /* Locate matching device in database. */
2755 found = 0;
e315cd28 2756 list_for_each_entry(fcport, &vha->vp_fcports, list) {
1da177e4
LT		 2757 if (memcmp(new_fcport->port_name, fcport->port_name,
2758 WWN_SIZE))
2759 continue;
2760
2761 found++;
2762
d8b45213
AV		 2763 /* Update port state. */
2764 memcpy(fcport->fabric_port_name,
2765 new_fcport->fabric_port_name, WWN_SIZE);
2766 fcport->fp_speed = new_fcport->fp_speed;
2767
1da177e4
LT		 2768 /*
2769 * If address the same and state FCS_ONLINE, nothing
2770 * changed.
2771 */
2772 if (fcport->d_id.b24 == new_fcport->d_id.b24 &&
2773 atomic_read(&fcport->state) == FCS_ONLINE) {
2774 break;
2775 }
2776
2777 /*
2778 * If device was not a fabric device before.
2779 */
2780 if ((fcport->flags & FCF_FABRIC_DEVICE) == 0) {
2781 fcport->d_id.b24 = new_fcport->d_id.b24;
2782 fcport->loop_id = FC_NO_LOOP_ID;
2783 fcport->flags |= (FCF_FABRIC_DEVICE |
2784 FCF_LOGIN_NEEDED);
1da177e4
LT		 2785 break;
2786 }
2787
2788 /*
2789 * Port ID changed or device was marked to be updated;
2790 * Log it out if still logged in and mark it for
2791 * relogin later.
2792 */
2793 fcport->d_id.b24 = new_fcport->d_id.b24;
2794 fcport->flags |= FCF_LOGIN_NEEDED;
2795 if (fcport->loop_id != FC_NO_LOOP_ID &&
2796 (fcport->flags & FCF_TAPE_PRESENT) == 0 &&
2797 fcport->port_type != FCT_INITIATOR &&
2798 fcport->port_type != FCT_BROADCAST) {
e315cd28 2799 ha->isp_ops->fabric_logout(vha, fcport->loop_id,
1c7c6357
AV		 2800 fcport->d_id.b.domain, fcport->d_id.b.area,
2801 fcport->d_id.b.al_pa);
1da177e4
LT		 2802 fcport->loop_id = FC_NO_LOOP_ID;
2803 }
2804
2805 break;
2806 }
2807
2808 if (found)
2809 continue;
1da177e4
LT		 2810 /* If device was not in our fcports list, then add it. */
2811 list_add_tail(&new_fcport->list, new_fcports);
2812
2813 /* Allocate a new replacement fcport. */
2814 nxt_d_id.b24 = new_fcport->d_id.b24;
e315cd28 2815 new_fcport = qla2x00_alloc_fcport(vha, GFP_KERNEL);
1da177e4 2816 if (new_fcport == NULL) {
c9475cb0 2817 kfree(swl);
1da177e4
LT		 2818 return (QLA_MEMORY_ALLOC_FAILED);
2819 }
2820 new_fcport->flags |= (FCF_FABRIC_DEVICE | FCF_LOGIN_NEEDED);
2821 new_fcport->d_id.b24 = nxt_d_id.b24;
2822 }
2823
c9475cb0
JJ		 2824 kfree(swl);
2825 kfree(new_fcport);
1da177e4 2826
1da177e4
LT		 2827 return (rval);
2828}
2829
2830/*
2831 * qla2x00_find_new_loop_id
2832 * Scan through our port list and find a new usable loop ID.
2833 *
2834 * Input:
2835 * ha: adapter state pointer.
2836 * dev: port structure pointer.
2837 *
2838 * Returns:
2839 * qla2x00 local function return status code.
2840 *
2841 * Context:
2842 * Kernel context.
2843 */
413975a0 2844static int
e315cd28 2845qla2x00_find_new_loop_id(scsi_qla_host_t *vha, fc_port_t *dev)
1da177e4
LT		 2846{
2847 int rval;
2848 int found;
2849 fc_port_t *fcport;
2850 uint16_t first_loop_id;
e315cd28
AC		 2851 struct qla_hw_data *ha = vha->hw;
2852 struct scsi_qla_host *vp;
ee546b6e 2853 struct scsi_qla_host *tvp;
1da177e4
LT		 2854
2855 rval = QLA_SUCCESS;
2856
2857 /* Save starting loop ID. */
2858 first_loop_id = dev->loop_id;
2859
2860 for (;;) {
2861 /* Skip loop ID if already used by adapter. */
e315cd28 2862 if (dev->loop_id == vha->loop_id)
1da177e4 2863 dev->loop_id++;
1da177e4
LT		 2864
2865 /* Skip reserved loop IDs. */
e315cd28 2866 while (qla2x00_is_reserved_id(vha, dev->loop_id))
1da177e4 2867 dev->loop_id++;
1da177e4
LT		 2868
2869 /* Reset loop ID if passed the end. */
e315cd28 2870 if (dev->loop_id > ha->max_loop_id) {
1da177e4
LT		 2871 /* first loop ID. */
2872 dev->loop_id = ha->min_external_loopid;
2873 }
2874
2875 /* Check for loop ID being already in use. */
2876 found = 0;
2877 fcport = NULL;
ee546b6e 2878 list_for_each_entry_safe(vp, tvp, &ha->vp_list, list) {
e315cd28
AC		 2879 list_for_each_entry(fcport, &vp->vp_fcports, list) {
2880 if (fcport->loop_id == dev->loop_id &&
2881 fcport != dev) {
2882 /* ID possibly in use */
2883 found++;
2884 break;
2885 }
1da177e4 2886 }
e315cd28
AC		 2887 if (found)
2888 break;
1da177e4
LT		 2889 }
2890
2891 /* If not in use then it is free to use. */
2892 if (!found) {
2893 break;
2894 }
2895
2896 /* ID in use. Try next value. */
2897 dev->loop_id++;
2898
2899 /* If wrap around. No free ID to use. */
2900 if (dev->loop_id == first_loop_id) {
2901 dev->loop_id = FC_NO_LOOP_ID;
2902 rval = QLA_FUNCTION_FAILED;
2903 break;
2904 }
2905 }
2906
2907 return (rval);
2908}
2909
2910/*
2911 * qla2x00_device_resync
2912 * Marks devices in the database that needs resynchronization.
2913 *
2914 * Input:
2915 * ha = adapter block pointer.
2916 *
2917 * Context:
2918 * Kernel context.
2919 */
2920static int
e315cd28 2921qla2x00_device_resync(scsi_qla_host_t *vha)
1da177e4
LT		 2922{
2923 int rval;
1da177e4
LT		 2924 uint32_t mask;
2925 fc_port_t *fcport;
2926 uint32_t rscn_entry;
2927 uint8_t rscn_out_iter;
2928 uint8_t format;
2929 port_id_t d_id;
2930
2931 rval = QLA_RSCNS_HANDLED;
2932
e315cd28
AC		 2933 while (vha->rscn_out_ptr != vha->rscn_in_ptr ||
2934 vha->flags.rscn_queue_overflow) {
1da177e4 2935
e315cd28 2936 rscn_entry = vha->rscn_queue[vha->rscn_out_ptr];
1da177e4
LT		 2937 format = MSB(MSW(rscn_entry));
2938 d_id.b.domain = LSB(MSW(rscn_entry));
2939 d_id.b.area = MSB(LSW(rscn_entry));
2940 d_id.b.al_pa = LSB(LSW(rscn_entry));
2941
2942 DEBUG(printk("scsi(%ld): RSCN queue entry[%d] = "
2943 "[%02x/%02x%02x%02x].\n",
e315cd28 2944 vha->host_no, vha->rscn_out_ptr, format, d_id.b.domain,
1da177e4
LT		 2945 d_id.b.area, d_id.b.al_pa));
2946
e315cd28
AC		 2947 vha->rscn_out_ptr++;
2948 if (vha->rscn_out_ptr == MAX_RSCN_COUNT)
2949 vha->rscn_out_ptr = 0;
1da177e4
LT		 2950
2951 /* Skip duplicate entries. */
e315cd28
AC		 2952 for (rscn_out_iter = vha->rscn_out_ptr;
2953 !vha->flags.rscn_queue_overflow &&
2954 rscn_out_iter != vha->rscn_in_ptr;
1da177e4
LT		 2955 rscn_out_iter = (rscn_out_iter ==
2956 (MAX_RSCN_COUNT - 1)) ? 0: rscn_out_iter + 1) {
2957
e315cd28 2958 if (rscn_entry != vha->rscn_queue[rscn_out_iter])
1da177e4
LT		 2959 break;
2960
2961 DEBUG(printk("scsi(%ld): Skipping duplicate RSCN queue "
e315cd28 2962 "entry found at [%d].\n", vha->host_no,
1da177e4
LT		 2963 rscn_out_iter));
2964
e315cd28 2965 vha->rscn_out_ptr = rscn_out_iter;
1da177e4
LT		 2966 }
2967
2968 /* Queue overflow, set switch default case. */
e315cd28 2969 if (vha->flags.rscn_queue_overflow) {
1da177e4 2970 DEBUG(printk("scsi(%ld): device_resync: rscn "
e315cd28 2971 "overflow.\n", vha->host_no));
1da177e4
LT		 2972
2973 format = 3;
e315cd28 2974 vha->flags.rscn_queue_overflow = 0;
1da177e4
LT		 2975 }
2976
2977 switch (format) {
2978 case 0:
1da177e4
LT		 2979 mask = 0xffffff;
2980 break;
2981 case 1:
2982 mask = 0xffff00;
2983 break;
2984 case 2:
2985 mask = 0xff0000;
2986 break;
2987 default:
2988 mask = 0x0;
2989 d_id.b24 = 0;
e315cd28 2990 vha->rscn_out_ptr = vha->rscn_in_ptr;
1da177e4
LT		 2991 break;
2992 }
2993
2994 rval = QLA_SUCCESS;
2995
e315cd28 2996 list_for_each_entry(fcport, &vha->vp_fcports, list) {
1da177e4
LT		 2997 if ((fcport->flags & FCF_FABRIC_DEVICE) == 0 ||
2998 (fcport->d_id.b24 & mask) != d_id.b24 ||
2999 fcport->port_type == FCT_BROADCAST)
3000 continue;
3001
3002 if (atomic_read(&fcport->state) == FCS_ONLINE) {
3003 if (format != 3 ||
3004 fcport->port_type != FCT_INITIATOR) {
e315cd28 3005 qla2x00_mark_device_lost(vha, fcport,
d97994dc 3006 0, 0);
1da177e4
LT		 3007 }
3008 }
1da177e4
LT		 3009 }
3010 }
3011 return (rval);
3012}
3013
3014/*
3015 * qla2x00_fabric_dev_login
3016 * Login fabric target device and update FC port database.
3017 *
3018 * Input:
3019 * ha: adapter state pointer.
3020 * fcport: port structure list pointer.
3021 * next_loopid: contains value of a new loop ID that can be used
3022 * by the next login attempt.
3023 *
3024 * Returns:
3025 * qla2x00 local function return status code.
3026 *
3027 * Context:
3028 * Kernel context.
3029 */
3030static int
e315cd28 3031qla2x00_fabric_dev_login(scsi_qla_host_t *vha, fc_port_t *fcport,
1da177e4
LT		 3032 uint16_t *next_loopid)
3033{
3034 int rval;
3035 int retry;
0107109e 3036 uint8_t opts;
e315cd28 3037 struct qla_hw_data *ha = vha->hw;
1da177e4
LT		 3038
3039 rval = QLA_SUCCESS;
3040 retry = 0;
3041
e315cd28 3042 rval = qla2x00_fabric_login(vha, fcport, next_loopid);
1da177e4 3043 if (rval == QLA_SUCCESS) {
0107109e
AV		 3044 /* Send an ADISC to tape devices.*/
3045 opts = 0;
3046 if (fcport->flags & FCF_TAPE_PRESENT)
3047 opts |= BIT_1;
e315cd28 3048 rval = qla2x00_get_port_database(vha, fcport, opts);
1da177e4 3049 if (rval != QLA_SUCCESS) {
e315cd28 3050 ha->isp_ops->fabric_logout(vha, fcport->loop_id,
1c7c6357
AV		 3051 fcport->d_id.b.domain, fcport->d_id.b.area,
3052 fcport->d_id.b.al_pa);
e315cd28 3053 qla2x00_mark_device_lost(vha, fcport, 1, 0);
1da177e4 3054 } else {
e315cd28 3055 qla2x00_update_fcport(vha, fcport);
1da177e4
LT		 3056 }
3057 }
3058
3059 return (rval);
3060}
3061
3062/*
3063 * qla2x00_fabric_login
3064 * Issue fabric login command.
3065 *
3066 * Input:
3067 * ha = adapter block pointer.
3068 * device = pointer to FC device type structure.
3069 *
3070 * Returns:
3071 * 0 - Login successfully
3072 * 1 - Login failed
3073 * 2 - Initiator device
3074 * 3 - Fatal error
3075 */
3076int
e315cd28 3077qla2x00_fabric_login(scsi_qla_host_t *vha, fc_port_t *fcport,
1da177e4
LT		 3078 uint16_t *next_loopid)
3079{
3080 int rval;
3081 int retry;
3082 uint16_t tmp_loopid;
3083 uint16_t mb[MAILBOX_REGISTER_COUNT];
e315cd28 3084 struct qla_hw_data *ha = vha->hw;
1da177e4
LT		 3085
3086 retry = 0;
3087 tmp_loopid = 0;
3088
3089 for (;;) {
3090 DEBUG(printk("scsi(%ld): Trying Fabric Login w/loop id 0x%04x "
3091 "for port %02x%02x%02x.\n",
e315cd28 3092 vha->host_no, fcport->loop_id, fcport->d_id.b.domain,
1da177e4
LT		 3093 fcport->d_id.b.area, fcport->d_id.b.al_pa));
3094
3095 /* Login fcport on switch. */
e315cd28 3096 ha->isp_ops->fabric_login(vha, fcport->loop_id,
1da177e4
LT		 3097 fcport->d_id.b.domain, fcport->d_id.b.area,
3098 fcport->d_id.b.al_pa, mb, BIT_0);
3099 if (mb[0] == MBS_PORT_ID_USED) {
3100 /*
3101 * Device has another loop ID. The firmware team
0107109e
AV		 3102 * recommends the driver perform an implicit login with
3103 * the specified ID again. The ID we just used is save
3104 * here so we return with an ID that can be tried by
3105 * the next login.
1da177e4
LT		 3106 */
3107 retry++;
3108 tmp_loopid = fcport->loop_id;
3109 fcport->loop_id = mb[1];
3110
3111 DEBUG(printk("Fabric Login: port in use - next "
3112 "loop id=0x%04x, port Id=%02x%02x%02x.\n",
3113 fcport->loop_id, fcport->d_id.b.domain,
3114 fcport->d_id.b.area, fcport->d_id.b.al_pa));
3115
3116 } else if (mb[0] == MBS_COMMAND_COMPLETE) {
3117 /*
3118 * Login succeeded.
3119 */
3120 if (retry) {
3121 /* A retry occurred before. */
3122 *next_loopid = tmp_loopid;
3123 } else {
3124 /*
3125 * No retry occurred before. Just increment the
3126 * ID value for next login.
3127 */
3128 *next_loopid = (fcport->loop_id + 1);
3129 }
3130
3131 if (mb[1] & BIT_0) {
3132 fcport->port_type = FCT_INITIATOR;
3133 } else {
3134 fcport->port_type = FCT_TARGET;
3135 if (mb[1] & BIT_1) {
3136 fcport->flags |= FCF_TAPE_PRESENT;
3137 }
3138 }
3139
ad3e0eda
AV		 3140 if (mb[10] & BIT_0)
3141 fcport->supported_classes |= FC_COS_CLASS2;
3142 if (mb[10] & BIT_1)
3143 fcport->supported_classes |= FC_COS_CLASS3;
3144
1da177e4
LT		 3145 rval = QLA_SUCCESS;
3146 break;
3147 } else if (mb[0] == MBS_LOOP_ID_USED) {
3148 /*
3149 * Loop ID already used, try next loop ID.
3150 */
3151 fcport->loop_id++;
e315cd28 3152 rval = qla2x00_find_new_loop_id(vha, fcport);
1da177e4
LT		 3153 if (rval != QLA_SUCCESS) {
3154 /* Ran out of loop IDs to use */
3155 break;
3156 }
3157 } else if (mb[0] == MBS_COMMAND_ERROR) {
3158 /*
3159 * Firmware possibly timed out during login. If NO
3160 * retries are left to do then the device is declared
3161 * dead.
3162 */
3163 *next_loopid = fcport->loop_id;
e315cd28 3164 ha->isp_ops->fabric_logout(vha, fcport->loop_id,
1c7c6357
AV		 3165 fcport->d_id.b.domain, fcport->d_id.b.area,
3166 fcport->d_id.b.al_pa);
e315cd28 3167 qla2x00_mark_device_lost(vha, fcport, 1, 0);
1da177e4
LT		 3168
3169 rval = 1;
3170 break;
3171 } else {
3172 /*
3173 * unrecoverable / not handled error
3174 */
3175 DEBUG2(printk("%s(%ld): failed=%x port_id=%02x%02x%02x "
fa2a1ce5 3176 "loop_id=%x jiffies=%lx.\n",
e315cd28 3177 __func__, vha->host_no, mb[0],
1da177e4
LT		 3178 fcport->d_id.b.domain, fcport->d_id.b.area,
3179 fcport->d_id.b.al_pa, fcport->loop_id, jiffies));
3180
3181 *next_loopid = fcport->loop_id;
e315cd28 3182 ha->isp_ops->fabric_logout(vha, fcport->loop_id,
1c7c6357
AV		 3183 fcport->d_id.b.domain, fcport->d_id.b.area,
3184 fcport->d_id.b.al_pa);
1da177e4 3185 fcport->loop_id = FC_NO_LOOP_ID;
0eedfcf0 3186 fcport->login_retry = 0;
1da177e4
LT		 3187
3188 rval = 3;
3189 break;
3190 }
3191 }
3192
3193 return (rval);
3194}
3195
3196/*
3197 * qla2x00_local_device_login
3198 * Issue local device login command.
3199 *
3200 * Input:
3201 * ha = adapter block pointer.
3202 * loop_id = loop id of device to login to.
3203 *
3204 * Returns (Where's the #define!!!!):
3205 * 0 - Login successfully
3206 * 1 - Login failed
3207 * 3 - Fatal error
3208 */
3209int
e315cd28 3210qla2x00_local_device_login(scsi_qla_host_t *vha, fc_port_t *fcport)
1da177e4
LT		 3211{
3212 int rval;
3213 uint16_t mb[MAILBOX_REGISTER_COUNT];
3214
3215 memset(mb, 0, sizeof(mb));
e315cd28 3216 rval = qla2x00_login_local_device(vha, fcport, mb, BIT_0);
1da177e4
LT		 3217 if (rval == QLA_SUCCESS) {
3218 /* Interrogate mailbox registers for any errors */
3219 if (mb[0] == MBS_COMMAND_ERROR)
3220 rval = 1;
3221 else if (mb[0] == MBS_COMMAND_PARAMETER_ERROR)
3222 /* device not in PCB table */
3223 rval = 3;
3224 }
3225
3226 return (rval);
3227}
3228
3229/*
3230 * qla2x00_loop_resync
3231 * Resync with fibre channel devices.
3232 *
3233 * Input:
3234 * ha = adapter block pointer.
3235 *
3236 * Returns:
3237 * 0 = success
3238 */
3239int
e315cd28 3240qla2x00_loop_resync(scsi_qla_host_t *vha)
1da177e4 3241{
73208dfd 3242 int rval = QLA_SUCCESS;
1da177e4 3243 uint32_t wait_time;
67c2e93a
AC		 3244 struct req_que *req;
3245 struct rsp_que *rsp;
3246
3247 if (ql2xmultique_tag)
3248 req = vha->hw->req_q_map[0];
3249 else
3250 req = vha->req;
3251 rsp = req->rsp;
1da177e4 3252
e315cd28
AC		 3253 atomic_set(&vha->loop_state, LOOP_UPDATE);
3254 clear_bit(ISP_ABORT_RETRY, &vha->dpc_flags);
3255 if (vha->flags.online) {
3256 if (!(rval = qla2x00_fw_ready(vha))) {
1da177e4
LT		 3257 /* Wait at most MAX_TARGET RSCNs for a stable link. */
3258 wait_time = 256;
3259 do {
e315cd28 3260 atomic_set(&vha->loop_state, LOOP_UPDATE);
1da177e4 3261
0107109e 3262 /* Issue a marker after FW becomes ready. */
73208dfd
AC		 3263 qla2x00_marker(vha, req, rsp, 0, 0,
3264 MK_SYNC_ALL);
e315cd28 3265 vha->marker_needed = 0;
1da177e4
LT		 3266
3267 /* Remap devices on Loop. */
e315cd28 3268 clear_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags);
1da177e4 3269
e315cd28 3270 qla2x00_configure_loop(vha);
1da177e4 3271 wait_time--;
e315cd28
AC		 3272 } while (!atomic_read(&vha->loop_down_timer) &&
3273 !(test_bit(ISP_ABORT_NEEDED, &vha->dpc_flags))
3274 && wait_time && (test_bit(LOOP_RESYNC_NEEDED,
3275 &vha->dpc_flags)));
1da177e4 3276 }
1da177e4
LT		 3277 }
3278
e315cd28 3279 if (test_bit(ISP_ABORT_NEEDED, &vha->dpc_flags))
1da177e4 3280 return (QLA_FUNCTION_FAILED);
1da177e4 3281
e315cd28 3282 if (rval)
1da177e4 3283 DEBUG2_3(printk("%s(): **** FAILED ****\n", __func__));
1da177e4
LT		 3284
3285 return (rval);
3286}
3287
d97994dc 3288void
e315cd28 3289qla2x00_update_fcports(scsi_qla_host_t *vha)
d97994dc
AV		 3290{
3291 fc_port_t *fcport;
3292
3293 /* Go with deferred removal of rport references. */
e315cd28
AC		 3294 list_for_each_entry(fcport, &vha->vp_fcports, list)
3295 if (fcport && fcport->drport &&
c9c5ced9 3296 atomic_read(&fcport->state) != FCS_UNCONFIGURED)
d97994dc
AV		 3297 qla2x00_rport_del(fcport);
3298}
3299
1da177e4
LT		 3300/*
3301* qla2x00_abort_isp
3302* Resets ISP and aborts all outstanding commands.
3303*
3304* Input:
3305* ha = adapter block pointer.
3306*
3307* Returns:
3308* 0 = success
3309*/
3310int
e315cd28 3311qla2x00_abort_isp(scsi_qla_host_t *vha)
1da177e4 3312{
476e8978 3313 int rval;
1da177e4 3314 uint8_t status = 0;
e315cd28
AC		 3315 struct qla_hw_data *ha = vha->hw;
3316 struct scsi_qla_host *vp;
ee546b6e 3317 struct scsi_qla_host *tvp;
73208dfd 3318 struct req_que *req = ha->req_q_map[0];
1da177e4 3319
e315cd28
AC		 3320 if (vha->flags.online) {
3321 vha->flags.online = 0;
2533cf67 3322 ha->flags.chip_reset_done = 0;
e315cd28 3323 clear_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
e5f5f6f7 3324 ha->qla_stats.total_isp_aborts++;
1da177e4
LT		 3325
3326 qla_printk(KERN_INFO, ha,
3327 "Performing ISP error recovery - ha= %p.\n", ha);
e315cd28
AC		 3328 ha->isp_ops->reset_chip(vha);
3329
3330 atomic_set(&vha->loop_down_timer, LOOP_DOWN_TIME);
3331 if (atomic_read(&vha->loop_state) != LOOP_DOWN) {
3332 atomic_set(&vha->loop_state, LOOP_DOWN);
3333 qla2x00_mark_all_devices_lost(vha, 0);
ee546b6e 3334 list_for_each_entry_safe(vp, tvp, &ha->vp_list, list)
e315cd28 3335 qla2x00_mark_all_devices_lost(vp, 0);
1da177e4 3336 } else {
e315cd28
AC		 3337 if (!atomic_read(&vha->loop_down_timer))
3338 atomic_set(&vha->loop_down_timer,
1da177e4
LT		 3339 LOOP_DOWN_TIME);
3340 }
3341
1da177e4 3342 /* Requeue all commands in outstanding command list. */
e315cd28 3343 qla2x00_abort_all_cmds(vha, DID_RESET << 16);
1da177e4 3344
73208dfd 3345 ha->isp_ops->get_flash_version(vha, req->ring);
30c47662 3346
e315cd28 3347 ha->isp_ops->nvram_config(vha);
1da177e4 3348
e315cd28
AC		 3349 if (!qla2x00_restart_isp(vha)) {
3350 clear_bit(RESET_MARKER_NEEDED, &vha->dpc_flags);
1da177e4 3351
e315cd28 3352 if (!atomic_read(&vha->loop_down_timer)) {
1da177e4
LT		 3353 /*
3354 * Issue marker command only when we are going
3355 * to start the I/O .
3356 */
e315cd28 3357 vha->marker_needed = 1;
1da177e4
LT		 3358 }
3359
e315cd28 3360 vha->flags.online = 1;
1da177e4 3361
fd34f556 3362 ha->isp_ops->enable_intrs(ha);
1da177e4 3363
fa2a1ce5 3364 ha->isp_abort_cnt = 0;
e315cd28 3365 clear_bit(ISP_ABORT_RETRY, &vha->dpc_flags);
476e8978 3366
df613b96
AV		 3367 if (ha->fce) {
3368 ha->flags.fce_enabled = 1;
3369 memset(ha->fce, 0,
3370 fce_calc_size(ha->fce_bufs));
e315cd28 3371 rval = qla2x00_enable_fce_trace(vha,
df613b96
AV		 3372 ha->fce_dma, ha->fce_bufs, ha->fce_mb,
3373 &ha->fce_bufs);
3374 if (rval) {
3375 qla_printk(KERN_WARNING, ha,
3376 "Unable to reinitialize FCE "
3377 "(%d).\n", rval);
3378 ha->flags.fce_enabled = 0;
3379 }
3380 }
436a7b11
AV		 3381
3382 if (ha->eft) {
3383 memset(ha->eft, 0, EFT_SIZE);
e315cd28 3384 rval = qla2x00_enable_eft_trace(vha,
436a7b11
AV		 3385 ha->eft_dma, EFT_NUM_BUFFERS);
3386 if (rval) {
3387 qla_printk(KERN_WARNING, ha,
3388 "Unable to reinitialize EFT "
3389 "(%d).\n", rval);
3390 }
3391 }
1da177e4 3392 } else { /* failed the ISP abort */
e315cd28
AC		 3393 vha->flags.online = 1;
3394 if (test_bit(ISP_ABORT_RETRY, &vha->dpc_flags)) {
1da177e4
LT		 3395 if (ha->isp_abort_cnt == 0) {
3396 qla_printk(KERN_WARNING, ha,
3397 "ISP error recovery failed - "
3398 "board disabled\n");
fa2a1ce5 3399 /*
1da177e4
LT		 3400 * The next call disables the board
3401 * completely.
3402 */
e315cd28
AC		 3403 ha->isp_ops->reset_adapter(vha);
3404 vha->flags.online = 0;
1da177e4 3405 clear_bit(ISP_ABORT_RETRY,
e315cd28 3406 &vha->dpc_flags);
1da177e4
LT		 3407 status = 0;
3408 } else { /* schedule another ISP abort */
3409 ha->isp_abort_cnt--;
3410 DEBUG(printk("qla%ld: ISP abort - "
0107109e 3411 "retry remaining %d\n",
e315cd28 3412 vha->host_no, ha->isp_abort_cnt));
1da177e4
LT		 3413 status = 1;
3414 }
3415 } else {
3416 ha->isp_abort_cnt = MAX_RETRIES_OF_ISP_ABORT;
3417 DEBUG(printk("qla2x00(%ld): ISP error recovery "
3418 "- retrying (%d) more times\n",
e315cd28
AC		 3419 vha->host_no, ha->isp_abort_cnt));
3420 set_bit(ISP_ABORT_RETRY, &vha->dpc_flags);
1da177e4
LT		 3421 status = 1;
3422 }
3423 }
fa2a1ce5 3424
1da177e4
LT		 3425 }
3426
e315cd28
AC		 3427 if (!status) {
3428 DEBUG(printk(KERN_INFO
3429 "qla2x00_abort_isp(%ld): succeeded.\n",
3430 vha->host_no));
ee546b6e 3431 list_for_each_entry_safe(vp, tvp, &ha->vp_list, list) {
e315cd28
AC		 3432 if (vp->vp_idx)
3433 qla2x00_vp_abort_isp(vp);
3434 }
3435 } else {
1da177e4
LT		 3436 qla_printk(KERN_INFO, ha,
3437 "qla2x00_abort_isp: **** FAILED ****\n");
1da177e4
LT		 3438 }
3439
3440 return(status);
3441}
3442
3443/*
3444* qla2x00_restart_isp
3445* restarts the ISP after a reset
3446*
3447* Input:
3448* ha = adapter block pointer.
3449*
3450* Returns:
3451* 0 = success
3452*/
3453static int
e315cd28 3454qla2x00_restart_isp(scsi_qla_host_t *vha)
1da177e4 3455{
c6b2fca8 3456 int status = 0;
1da177e4 3457 uint32_t wait_time;
e315cd28 3458 struct qla_hw_data *ha = vha->hw;
73208dfd
AC		 3459 struct req_que *req = ha->req_q_map[0];
3460 struct rsp_que *rsp = ha->rsp_q_map[0];
1da177e4
LT		 3461
3462 /* If firmware needs to be loaded */
e315cd28
AC		 3463 if (qla2x00_isp_firmware(vha)) {
3464 vha->flags.online = 0;
3465 status = ha->isp_ops->chip_diag(vha);
3466 if (!status)
3467 status = qla2x00_setup_chip(vha);
1da177e4
LT		 3468 }
3469
e315cd28
AC		 3470 if (!status && !(status = qla2x00_init_rings(vha))) {
3471 clear_bit(RESET_MARKER_NEEDED, &vha->dpc_flags);
2533cf67 3472 ha->flags.chip_reset_done = 1;
73208dfd
AC		 3473 /* Initialize the queues in use */
3474 qla25xx_init_queues(ha);
3475
e315cd28
AC		 3476 status = qla2x00_fw_ready(vha);
3477 if (!status) {
1da177e4 3478 DEBUG(printk("%s(): Start configure loop, "
744f11fd 3479 "status = %d\n", __func__, status));
0107109e
AV		 3480
3481 /* Issue a marker after FW becomes ready. */
73208dfd 3482 qla2x00_marker(vha, req, rsp, 0, 0, MK_SYNC_ALL);
0107109e 3483
e315cd28 3484 vha->flags.online = 1;
1da177e4
LT		 3485 /* Wait at most MAX_TARGET RSCNs for a stable link. */
3486 wait_time = 256;
3487 do {
e315cd28
AC		 3488 clear_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags);
3489 qla2x00_configure_loop(vha);
1da177e4 3490 wait_time--;
e315cd28
AC		 3491 } while (!atomic_read(&vha->loop_down_timer) &&
3492 !(test_bit(ISP_ABORT_NEEDED, &vha->dpc_flags))
3493 && wait_time && (test_bit(LOOP_RESYNC_NEEDED,
3494 &vha->dpc_flags)));
1da177e4
LT		 3495 }
3496
3497 /* if no cable then assume it's good */
e315cd28 3498 if ((vha->device_flags & DFLG_NO_CABLE))
1da177e4
LT		 3499 status = 0;
3500
3501 DEBUG(printk("%s(): Configure loop done, status = 0x%x\n",
3502 __func__,
744f11fd 3503 status));
1da177e4
LT		 3504 }
3505 return (status);
3506}
3507
73208dfd
AC		 3508static int
3509qla25xx_init_queues(struct qla_hw_data *ha)
3510{
3511 struct rsp_que *rsp = NULL;
3512 struct req_que *req = NULL;
3513 struct scsi_qla_host *base_vha = pci_get_drvdata(ha->pdev);
3514 int ret = -1;
3515 int i;
3516
2afa19a9 3517 for (i = 1; i < ha->max_rsp_queues; i++) {
73208dfd
AC		 3518 rsp = ha->rsp_q_map[i];
3519 if (rsp) {
3520 rsp->options &= ~BIT_0;
618a7523 3521 ret = qla25xx_init_rsp_que(base_vha, rsp);
73208dfd
AC		 3522 if (ret != QLA_SUCCESS)
3523 DEBUG2_17(printk(KERN_WARNING
3524 "%s Rsp que:%d init failed\n", __func__,
3525 rsp->id));
3526 else
3527 DEBUG2_17(printk(KERN_INFO
3528 "%s Rsp que:%d inited\n", __func__,
3529 rsp->id));
3530 }
2afa19a9
AC		 3531 }
3532 for (i = 1; i < ha->max_req_queues; i++) {
73208dfd
AC		 3533 req = ha->req_q_map[i];
3534 if (req) {
29bdccbe 3535 /* Clear outstanding commands array. */
73208dfd 3536 req->options &= ~BIT_0;
618a7523 3537 ret = qla25xx_init_req_que(base_vha, req);
73208dfd
AC		 3538 if (ret != QLA_SUCCESS)
3539 DEBUG2_17(printk(KERN_WARNING
3540 "%s Req que:%d init failed\n", __func__,
3541 req->id));
3542 else
3543 DEBUG2_17(printk(KERN_WARNING
29bdccbe 3544 "%s Req que:%d inited\n", __func__,
73208dfd
AC		 3545 req->id));
3546 }
3547 }
3548 return ret;
3549}
3550
1da177e4
LT		 3551/*
3552* qla2x00_reset_adapter
3553* Reset adapter.
3554*
3555* Input:
3556* ha = adapter block pointer.
3557*/
abbd8870 3558void
e315cd28 3559qla2x00_reset_adapter(scsi_qla_host_t *vha)
1da177e4
LT		 3560{
3561 unsigned long flags = 0;
e315cd28 3562 struct qla_hw_data *ha = vha->hw;
3d71644c 3563 struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
1da177e4 3564
e315cd28 3565 vha->flags.online = 0;
fd34f556 3566 ha->isp_ops->disable_intrs(ha);
1da177e4 3567
1da177e4
LT		 3568 spin_lock_irqsave(&ha->hardware_lock, flags);
3569 WRT_REG_WORD(&reg->hccr, HCCR_RESET_RISC);
3570 RD_REG_WORD(&reg->hccr); /* PCI Posting. */
3571 WRT_REG_WORD(&reg->hccr, HCCR_RELEASE_RISC);
3572 RD_REG_WORD(&reg->hccr); /* PCI Posting. */
3573 spin_unlock_irqrestore(&ha->hardware_lock, flags);
3574}
0107109e
AV		 3575
3576void
e315cd28 3577qla24xx_reset_adapter(scsi_qla_host_t *vha)
0107109e
AV		 3578{
3579 unsigned long flags = 0;
e315cd28 3580 struct qla_hw_data *ha = vha->hw;
0107109e
AV		 3581 struct device_reg_24xx __iomem *reg = &ha->iobase->isp24;
3582
e315cd28 3583 vha->flags.online = 0;
fd34f556 3584 ha->isp_ops->disable_intrs(ha);
0107109e
AV		 3585
3586 spin_lock_irqsave(&ha->hardware_lock, flags);
3587 WRT_REG_DWORD(&reg->hccr, HCCRX_SET_RISC_RESET);
3588 RD_REG_DWORD(&reg->hccr);
3589 WRT_REG_DWORD(&reg->hccr, HCCRX_REL_RISC_PAUSE);
3590 RD_REG_DWORD(&reg->hccr);
3591 spin_unlock_irqrestore(&ha->hardware_lock, flags);
09ff36d3
AV		 3592
3593 if (IS_NOPOLLING_TYPE(ha))
3594 ha->isp_ops->enable_intrs(ha);
0107109e
AV		 3595}
3596
4e08df3f
DM		 3597/* On sparc systems, obtain port and node WWN from firmware
3598 * properties.
3599 */
e315cd28
AC		 3600static void qla24xx_nvram_wwn_from_ofw(scsi_qla_host_t *vha,
3601 struct nvram_24xx *nv)
4e08df3f
DM		 3602{
3603#ifdef CONFIG_SPARC
e315cd28 3604 struct qla_hw_data *ha = vha->hw;
4e08df3f 3605 struct pci_dev *pdev = ha->pdev;
15576bc8
DM		 3606 struct device_node *dp = pci_device_to_OF_node(pdev);
3607 const u8 *val;
4e08df3f
DM		 3608 int len;
3609
3610 val = of_get_property(dp, "port-wwn", &len);
3611 if (val && len >= WWN_SIZE)
3612 memcpy(nv->port_name, val, WWN_SIZE);
3613
3614 val = of_get_property(dp, "node-wwn", &len);
3615 if (val && len >= WWN_SIZE)
3616 memcpy(nv->node_name, val, WWN_SIZE);
3617#endif
3618}
3619
0107109e 3620int
e315cd28 3621qla24xx_nvram_config(scsi_qla_host_t *vha)
0107109e 3622{
4e08df3f 3623 int rval;
0107109e
AV		 3624 struct init_cb_24xx *icb;
3625 struct nvram_24xx *nv;
3626 uint32_t *dptr;
3627 uint8_t *dptr1, *dptr2;
3628 uint32_t chksum;
3629 uint16_t cnt;
e315cd28 3630 struct qla_hw_data *ha = vha->hw;
0107109e 3631
4e08df3f 3632 rval = QLA_SUCCESS;
0107109e 3633 icb = (struct init_cb_24xx *)ha->init_cb;
281afe19 3634 nv = ha->nvram;
0107109e
AV		 3635
3636 /* Determine NVRAM starting address. */
e5b68a61
AC		 3637 if (ha->flags.port0) {
3638 ha->nvram_base = FA_NVRAM_FUNC0_ADDR;
3639 ha->vpd_base = FA_NVRAM_VPD0_ADDR;
3640 } else {
0107109e 3641 ha->nvram_base = FA_NVRAM_FUNC1_ADDR;
6f641790
AV		 3642 ha->vpd_base = FA_NVRAM_VPD1_ADDR;
3643 }
e5b68a61
AC		 3644 ha->nvram_size = sizeof(struct nvram_24xx);
3645 ha->vpd_size = FA_NVRAM_VPD_SIZE;
0107109e 3646
281afe19
SJ		 3647 /* Get VPD data into cache */
3648 ha->vpd = ha->nvram + VPD_OFFSET;
e315cd28 3649 ha->isp_ops->read_nvram(vha, (uint8_t *)ha->vpd,
281afe19
SJ		 3650 ha->nvram_base - FA_NVRAM_FUNC0_ADDR, FA_NVRAM_VPD_SIZE * 4);
3651
3652 /* Get NVRAM data into cache and calculate checksum. */
0107109e 3653 dptr = (uint32_t *)nv;
e315cd28 3654 ha->isp_ops->read_nvram(vha, (uint8_t *)dptr, ha->nvram_base,
0107109e
AV		 3655 ha->nvram_size);
3656 for (cnt = 0, chksum = 0; cnt < ha->nvram_size >> 2; cnt++)
3657 chksum += le32_to_cpu(*dptr++);
3658
7640335e 3659 DEBUG5(printk("scsi(%ld): Contents of NVRAM\n", vha->host_no));
281afe19 3660 DEBUG5(qla2x00_dump_buffer((uint8_t *)nv, ha->nvram_size));
0107109e
AV		 3661
3662 /* Bad NVRAM data, set defaults parameters. */
3663 if (chksum || nv->id[0] != 'I' || nv->id[1] != 'S' || nv->id[2] != 'P'
3664 || nv->id[3] != ' ' ||
3665 nv->nvram_version < __constant_cpu_to_le16(ICB_VERSION)) {
3666 /* Reset NVRAM data. */
3667 qla_printk(KERN_WARNING, ha, "Inconsistent NVRAM detected: "
3668 "checksum=0x%x id=%c version=0x%x.\n", chksum, nv->id[0],
3669 le16_to_cpu(nv->nvram_version));
4e08df3f
DM		 3670 qla_printk(KERN_WARNING, ha, "Falling back to functioning (yet "
3671 "invalid -- WWPN) defaults.\n");
3672
3673 /*
3674 * Set default initialization control block.
3675 */
3676 memset(nv, 0, ha->nvram_size);
3677 nv->nvram_version = __constant_cpu_to_le16(ICB_VERSION);
3678 nv->version = __constant_cpu_to_le16(ICB_VERSION);
3679 nv->frame_payload_size = __constant_cpu_to_le16(2048);
3680 nv->execution_throttle = __constant_cpu_to_le16(0xFFFF);
3681 nv->exchange_count = __constant_cpu_to_le16(0);
3682 nv->hard_address = __constant_cpu_to_le16(124);
3683 nv->port_name[0] = 0x21;
e5b68a61 3684 nv->port_name[1] = 0x00 + ha->port_no;
4e08df3f
DM		 3685 nv->port_name[2] = 0x00;
3686 nv->port_name[3] = 0xe0;
3687 nv->port_name[4] = 0x8b;
3688 nv->port_name[5] = 0x1c;
3689 nv->port_name[6] = 0x55;
3690 nv->port_name[7] = 0x86;
3691 nv->node_name[0] = 0x20;
3692 nv->node_name[1] = 0x00;
3693 nv->node_name[2] = 0x00;
3694 nv->node_name[3] = 0xe0;
3695 nv->node_name[4] = 0x8b;
3696 nv->node_name[5] = 0x1c;
3697 nv->node_name[6] = 0x55;
3698 nv->node_name[7] = 0x86;
e315cd28 3699 qla24xx_nvram_wwn_from_ofw(vha, nv);
4e08df3f
DM		 3700 nv->login_retry_count = __constant_cpu_to_le16(8);
3701 nv->interrupt_delay_timer = __constant_cpu_to_le16(0);
3702 nv->login_timeout = __constant_cpu_to_le16(0);
3703 nv->firmware_options_1 =
3704 __constant_cpu_to_le32(BIT_14|BIT_13|BIT_2|BIT_1);
3705 nv->firmware_options_2 = __constant_cpu_to_le32(2 << 4);
3706 nv->firmware_options_2 |= __constant_cpu_to_le32(BIT_12);
3707 nv->firmware_options_3 = __constant_cpu_to_le32(2 << 13);
3708 nv->host_p = __constant_cpu_to_le32(BIT_11|BIT_10);
3709 nv->efi_parameters = __constant_cpu_to_le32(0);
3710 nv->reset_delay = 5;
3711 nv->max_luns_per_target = __constant_cpu_to_le16(128);
3712 nv->port_down_retry_count = __constant_cpu_to_le16(30);
3713 nv->link_down_timeout = __constant_cpu_to_le16(30);
3714
3715 rval = 1;
0107109e
AV		 3716 }
3717
3718 /* Reset Initialization control block */
e315cd28 3719 memset(icb, 0, ha->init_cb_size);
0107109e
AV		 3720
3721 /* Copy 1st segment. */
3722 dptr1 = (uint8_t *)icb;
3723 dptr2 = (uint8_t *)&nv->version;
3724 cnt = (uint8_t *)&icb->response_q_inpointer - (uint8_t *)&icb->version;
3725 while (cnt--)
3726 *dptr1++ = *dptr2++;
3727
3728 icb->login_retry_count = nv->login_retry_count;
3ea66e28 3729 icb->link_down_on_nos = nv->link_down_on_nos;
0107109e
AV		 3730
3731 /* Copy 2nd segment. */
3732 dptr1 = (uint8_t *)&icb->interrupt_delay_timer;
3733 dptr2 = (uint8_t *)&nv->interrupt_delay_timer;
3734 cnt = (uint8_t *)&icb->reserved_3 -
3735 (uint8_t *)&icb->interrupt_delay_timer;
3736 while (cnt--)
3737 *dptr1++ = *dptr2++;
3738
3739 /*
3740 * Setup driver NVRAM options.
3741 */
e315cd28 3742 qla2x00_set_model_info(vha, nv->model_name, sizeof(nv->model_name),
9bb9fcf2 3743 "QLA2462");
0107109e 3744
5341e868
AV		 3745 /* Use alternate WWN? */
3746 if (nv->host_p & __constant_cpu_to_le32(BIT_15)) {
3747 memcpy(icb->node_name, nv->alternate_node_name, WWN_SIZE);
3748 memcpy(icb->port_name, nv->alternate_port_name, WWN_SIZE);
3749 }
3750
0107109e 3751 /* Prepare nodename */
fd0e7e4d 3752 if ((icb->firmware_options_1 & __constant_cpu_to_le32(BIT_14)) == 0) {
0107109e
AV		 3753 /*
3754 * Firmware will apply the following mask if the nodename was
3755 * not provided.
3756 */
3757 memcpy(icb->node_name, icb->port_name, WWN_SIZE);
3758 icb->node_name[0] &= 0xF0;
3759 }
3760
3761 /* Set host adapter parameters. */
3762 ha->flags.disable_risc_code_load = 0;
0c8c39af
AV		 3763 ha->flags.enable_lip_reset = 0;
3764 ha->flags.enable_lip_full_login =
3765 le32_to_cpu(nv->host_p) & BIT_10 ? 1: 0;
3766 ha->flags.enable_target_reset =
3767 le32_to_cpu(nv->host_p) & BIT_11 ? 1: 0;
0107109e 3768 ha->flags.enable_led_scheme = 0;
d4c760c2 3769 ha->flags.disable_serdes = le32_to_cpu(nv->host_p) & BIT_5 ? 1: 0;
0107109e 3770
fd0e7e4d
AV		 3771 ha->operating_mode = (le32_to_cpu(icb->firmware_options_2) &
3772 (BIT_6 | BIT_5 | BIT_4)) >> 4;
0107109e
AV		 3773
3774 memcpy(ha->fw_seriallink_options24, nv->seriallink_options,
3775 sizeof(ha->fw_seriallink_options24));
3776
3777 /* save HBA serial number */
3778 ha->serial0 = icb->port_name[5];
3779 ha->serial1 = icb->port_name[6];
3780 ha->serial2 = icb->port_name[7];
e315cd28
AC		 3781 memcpy(vha->node_name, icb->node_name, WWN_SIZE);
3782 memcpy(vha->port_name, icb->port_name, WWN_SIZE);
0107109e 3783
bc8fb3cb
AV		 3784 icb->execution_throttle = __constant_cpu_to_le16(0xFFFF);
3785
0107109e
AV		 3786 ha->retry_count = le16_to_cpu(nv->login_retry_count);
3787
3788 /* Set minimum login_timeout to 4 seconds. */
3789 if (le16_to_cpu(nv->login_timeout) < ql2xlogintimeout)
3790 nv->login_timeout = cpu_to_le16(ql2xlogintimeout);
3791 if (le16_to_cpu(nv->login_timeout) < 4)
3792 nv->login_timeout = __constant_cpu_to_le16(4);
3793 ha->login_timeout = le16_to_cpu(nv->login_timeout);
c6852c4c 3794 icb->login_timeout = nv->login_timeout;
0107109e 3795
00a537b8
AV		 3796 /* Set minimum RATOV to 100 tenths of a second. */
3797 ha->r_a_tov = 100;
0107109e
AV		 3798
3799 ha->loop_reset_delay = nv->reset_delay;
3800
3801 /* Link Down Timeout = 0:
3802 *
3803 * When Port Down timer expires we will start returning
3804 * I/O's to OS with "DID_NO_CONNECT".
3805 *
3806 * Link Down Timeout != 0:
3807 *
3808 * The driver waits for the link to come up after link down
3809 * before returning I/Os to OS with "DID_NO_CONNECT".
3810 */
3811 if (le16_to_cpu(nv->link_down_timeout) == 0) {
3812 ha->loop_down_abort_time =
3813 (LOOP_DOWN_TIME - LOOP_DOWN_TIMEOUT);
3814 } else {
3815 ha->link_down_timeout = le16_to_cpu(nv->link_down_timeout);
3816 ha->loop_down_abort_time =
3817 (LOOP_DOWN_TIME - ha->link_down_timeout);
3818 }
3819
3820 /* Need enough time to try and get the port back. */
3821 ha->port_down_retry_count = le16_to_cpu(nv->port_down_retry_count);
3822 if (qlport_down_retry)
3823 ha->port_down_retry_count = qlport_down_retry;
3824
3825 /* Set login_retry_count */
3826 ha->login_retry_count = le16_to_cpu(nv->login_retry_count);
3827 if (ha->port_down_retry_count ==
3828 le16_to_cpu(nv->port_down_retry_count) &&
3829 ha->port_down_retry_count > 3)
3830 ha->login_retry_count = ha->port_down_retry_count;
3831 else if (ha->port_down_retry_count > (int)ha->login_retry_count)
3832 ha->login_retry_count = ha->port_down_retry_count;
3833 if (ql2xloginretrycount)
3834 ha->login_retry_count = ql2xloginretrycount;
3835
4fdfefe5 3836 /* Enable ZIO. */
e315cd28 3837 if (!vha->flags.init_done) {
4fdfefe5
AV		 3838 ha->zio_mode = le32_to_cpu(icb->firmware_options_2) &
3839 (BIT_3 | BIT_2 | BIT_1 | BIT_0);
3840 ha->zio_timer = le16_to_cpu(icb->interrupt_delay_timer) ?
3841 le16_to_cpu(icb->interrupt_delay_timer): 2;
3842 }
3843 icb->firmware_options_2 &= __constant_cpu_to_le32(
3844 ~(BIT_3 | BIT_2 | BIT_1 | BIT_0));
e315cd28 3845 vha->flags.process_response_queue = 0;
4fdfefe5 3846 if (ha->zio_mode != QLA_ZIO_DISABLED) {
4a59f71d
AV		 3847 ha->zio_mode = QLA_ZIO_MODE_6;
3848
4fdfefe5 3849 DEBUG2(printk("scsi(%ld): ZIO mode %d enabled; timer delay "
e315cd28 3850 "(%d us).\n", vha->host_no, ha->zio_mode,
4fdfefe5
AV		 3851 ha->zio_timer * 100));
3852 qla_printk(KERN_INFO, ha,
3853 "ZIO mode %d enabled; timer delay (%d us).\n",
3854 ha->zio_mode, ha->zio_timer * 100);
3855
3856 icb->firmware_options_2 |= cpu_to_le32(
3857 (uint32_t)ha->zio_mode);
3858 icb->interrupt_delay_timer = cpu_to_le16(ha->zio_timer);
e315cd28 3859 vha->flags.process_response_queue = 1;
4fdfefe5
AV		 3860 }
3861
4e08df3f
DM		 3862 if (rval) {
3863 DEBUG2_3(printk(KERN_WARNING
e315cd28 3864 "scsi(%ld): NVRAM configuration failed!\n", vha->host_no));
4e08df3f
DM		 3865 }
3866 return (rval);
0107109e
AV		 3867}
3868
413975a0 3869static int
cbc8eb67
AV		 3870qla24xx_load_risc_flash(scsi_qla_host_t *vha, uint32_t *srisc_addr,
3871 uint32_t faddr)
d1c61909 3872{
73208dfd 3873 int rval = QLA_SUCCESS;
d1c61909 3874 int segments, fragment;
d1c61909
AV		 3875 uint32_t *dcode, dlen;
3876 uint32_t risc_addr;
3877 uint32_t risc_size;
3878 uint32_t i;
e315cd28 3879 struct qla_hw_data *ha = vha->hw;
73208dfd 3880 struct req_que *req = ha->req_q_map[0];
eaac30be
AV		 3881
3882 qla_printk(KERN_INFO, ha,
cbc8eb67 3883 "FW: Loading from flash (%x)...\n", faddr);
eaac30be 3884
d1c61909
AV		 3885 rval = QLA_SUCCESS;
3886
3887 segments = FA_RISC_CODE_SEGMENTS;
73208dfd 3888 dcode = (uint32_t *)req->ring;
d1c61909
AV		 3889 *srisc_addr = 0;
3890
3891 /* Validate firmware image by checking version. */
e315cd28 3892 qla24xx_read_flash_data(vha, dcode, faddr + 4, 4);
d1c61909
AV		 3893 for (i = 0; i < 4; i++)
3894 dcode[i] = be32_to_cpu(dcode[i]);
3895 if ((dcode[0] == 0xffffffff && dcode[1] == 0xffffffff &&
3896 dcode[2] == 0xffffffff && dcode[3] == 0xffffffff) ||
3897 (dcode[0] == 0 && dcode[1] == 0 && dcode[2] == 0 &&
3898 dcode[3] == 0)) {
3899 qla_printk(KERN_WARNING, ha,
3900 "Unable to verify integrity of flash firmware image!\n");
3901 qla_printk(KERN_WARNING, ha,
3902 "Firmware data: %08x %08x %08x %08x!\n", dcode[0],
3903 dcode[1], dcode[2], dcode[3]);
3904
3905 return QLA_FUNCTION_FAILED;
3906 }
3907
3908 while (segments && rval == QLA_SUCCESS) {
3909 /* Read segment's load information. */
e315cd28 3910 qla24xx_read_flash_data(vha, dcode, faddr, 4);
d1c61909
AV		 3911
3912 risc_addr = be32_to_cpu(dcode[2]);
3913 *srisc_addr = *srisc_addr == 0 ? risc_addr : *srisc_addr;
3914 risc_size = be32_to_cpu(dcode[3]);
3915
3916 fragment = 0;
3917 while (risc_size > 0 && rval == QLA_SUCCESS) {
3918 dlen = (uint32_t)(ha->fw_transfer_size >> 2);
3919 if (dlen > risc_size)
3920 dlen = risc_size;
3921
3922 DEBUG7(printk("scsi(%ld): Loading risc segment@ risc "
3923 "addr %x, number of dwords 0x%x, offset 0x%x.\n",
e315cd28 3924 vha->host_no, risc_addr, dlen, faddr));
d1c61909 3925
e315cd28 3926 qla24xx_read_flash_data(vha, dcode, faddr, dlen);
d1c61909
AV		 3927 for (i = 0; i < dlen; i++)
3928 dcode[i] = swab32(dcode[i]);
3929
73208dfd 3930 rval = qla2x00_load_ram(vha, req->dma, risc_addr,
d1c61909
AV		 3931 dlen);
3932 if (rval) {
3933 DEBUG(printk("scsi(%ld):[ERROR] Failed to load "
e315cd28 3934 "segment %d of firmware\n", vha->host_no,
d1c61909
AV		 3935 fragment));
3936 qla_printk(KERN_WARNING, ha,
3937 "[ERROR] Failed to load segment %d of "
3938 "firmware\n", fragment);
3939 break;
3940 }
3941
3942 faddr += dlen;
3943 risc_addr += dlen;
3944 risc_size -= dlen;
3945 fragment++;
3946 }
3947
3948 /* Next segment. */
3949 segments--;
3950 }
3951
3952 return rval;
3953}
3954
d1c61909
AV		 3955#define QLA_FW_URL "ftp://ftp.qlogic.com/outgoing/linux/firmware/"
3956
0107109e 3957int
e315cd28 3958qla2x00_load_risc(scsi_qla_host_t *vha, uint32_t *srisc_addr)
5433383e
AV		 3959{
3960 int rval;
3961 int i, fragment;
3962 uint16_t *wcode, *fwcode;
3963 uint32_t risc_addr, risc_size, fwclen, wlen, *seg;
3964 struct fw_blob *blob;
e315cd28 3965 struct qla_hw_data *ha = vha->hw;
73208dfd 3966 struct req_que *req = ha->req_q_map[0];
5433383e
AV		 3967
3968 /* Load firmware blob. */
e315cd28 3969 blob = qla2x00_request_firmware(vha);
5433383e
AV		 3970 if (!blob) {
3971 qla_printk(KERN_ERR, ha, "Firmware image unavailable.\n");
d1c61909
AV		 3972 qla_printk(KERN_ERR, ha, "Firmware images can be retrieved "
3973 "from: " QLA_FW_URL ".\n");
5433383e
AV		 3974 return QLA_FUNCTION_FAILED;
3975 }
3976
3977 rval = QLA_SUCCESS;
3978
73208dfd 3979 wcode = (uint16_t *)req->ring;
5433383e
AV		 3980 *srisc_addr = 0;
3981 fwcode = (uint16_t *)blob->fw->data;
3982 fwclen = 0;
3983
3984 /* Validate firmware image by checking version. */
3985 if (blob->fw->size < 8 * sizeof(uint16_t)) {
3986 qla_printk(KERN_WARNING, ha,
3987 "Unable to verify integrity of firmware image (%Zd)!\n",
3988 blob->fw->size);
3989 goto fail_fw_integrity;
3990 }
3991 for (i = 0; i < 4; i++)
3992 wcode[i] = be16_to_cpu(fwcode[i + 4]);
3993 if ((wcode[0] == 0xffff && wcode[1] == 0xffff && wcode[2] == 0xffff &&
3994 wcode[3] == 0xffff) || (wcode[0] == 0 && wcode[1] == 0 &&
3995 wcode[2] == 0 && wcode[3] == 0)) {
3996 qla_printk(KERN_WARNING, ha,
3997 "Unable to verify integrity of firmware image!\n");
3998 qla_printk(KERN_WARNING, ha,
3999 "Firmware data: %04x %04x %04x %04x!\n", wcode[0],
4000 wcode[1], wcode[2], wcode[3]);
4001 goto fail_fw_integrity;
4002 }
4003
4004 seg = blob->segs;
4005 while (*seg && rval == QLA_SUCCESS) {
4006 risc_addr = *seg;
4007 *srisc_addr = *srisc_addr == 0 ? *seg : *srisc_addr;
4008 risc_size = be16_to_cpu(fwcode[3]);
4009
4010 /* Validate firmware image size. */
4011 fwclen += risc_size * sizeof(uint16_t);
4012 if (blob->fw->size < fwclen) {
4013 qla_printk(KERN_WARNING, ha,
4014 "Unable to verify integrity of firmware image "
4015 "(%Zd)!\n", blob->fw->size);
4016 goto fail_fw_integrity;
4017 }
4018
4019 fragment = 0;
4020 while (risc_size > 0 && rval == QLA_SUCCESS) {
4021 wlen = (uint16_t)(ha->fw_transfer_size >> 1);
4022 if (wlen > risc_size)
4023 wlen = risc_size;
4024
4025 DEBUG7(printk("scsi(%ld): Loading risc segment@ risc "
e315cd28 4026 "addr %x, number of words 0x%x.\n", vha->host_no,
5433383e
AV		 4027 risc_addr, wlen));
4028
4029 for (i = 0; i < wlen; i++)
4030 wcode[i] = swab16(fwcode[i]);
4031
73208dfd 4032 rval = qla2x00_load_ram(vha, req->dma, risc_addr,
5433383e
AV		 4033 wlen);
4034 if (rval) {
4035 DEBUG(printk("scsi(%ld):[ERROR] Failed to load "
e315cd28 4036 "segment %d of firmware\n", vha->host_no,
5433383e
AV		 4037 fragment));
4038 qla_printk(KERN_WARNING, ha,
4039 "[ERROR] Failed to load segment %d of "
4040 "firmware\n", fragment);
4041 break;
4042 }
4043
4044 fwcode += wlen;
4045 risc_addr += wlen;
4046 risc_size -= wlen;
4047 fragment++;
4048 }
4049
4050 /* Next segment. */
4051 seg++;
4052 }
4053 return rval;
4054
4055fail_fw_integrity:
4056 return QLA_FUNCTION_FAILED;
4057}
4058
eaac30be
AV		 4059static int
4060qla24xx_load_risc_blob(scsi_qla_host_t *vha, uint32_t *srisc_addr)
0107109e
AV		 4061{
4062 int rval;
4063 int segments, fragment;
4064 uint32_t *dcode, dlen;
4065 uint32_t risc_addr;
4066 uint32_t risc_size;
4067 uint32_t i;
5433383e 4068 struct fw_blob *blob;
0107109e 4069 uint32_t *fwcode, fwclen;
e315cd28 4070 struct qla_hw_data *ha = vha->hw;
73208dfd 4071 struct req_que *req = ha->req_q_map[0];
0107109e 4072
5433383e 4073 /* Load firmware blob. */
e315cd28 4074 blob = qla2x00_request_firmware(vha);
5433383e
AV		 4075 if (!blob) {
4076 qla_printk(KERN_ERR, ha, "Firmware image unavailable.\n");
d1c61909
AV		 4077 qla_printk(KERN_ERR, ha, "Firmware images can be retrieved "
4078 "from: " QLA_FW_URL ".\n");
4079
eaac30be 4080 return QLA_FUNCTION_FAILED;
0107109e
AV		 4081 }
4082
eaac30be
AV		 4083 qla_printk(KERN_INFO, ha,
4084 "FW: Loading via request-firmware...\n");
4085
0107109e
AV		 4086 rval = QLA_SUCCESS;
4087
4088 segments = FA_RISC_CODE_SEGMENTS;
73208dfd 4089 dcode = (uint32_t *)req->ring;
0107109e 4090 *srisc_addr = 0;
5433383e 4091 fwcode = (uint32_t *)blob->fw->data;
0107109e
AV		 4092 fwclen = 0;
4093
4094 /* Validate firmware image by checking version. */
5433383e 4095 if (blob->fw->size < 8 * sizeof(uint32_t)) {
0107109e 4096 qla_printk(KERN_WARNING, ha,
5433383e
AV		 4097 "Unable to verify integrity of firmware image (%Zd)!\n",
4098 blob->fw->size);
0107109e
AV		 4099 goto fail_fw_integrity;
4100 }
4101 for (i = 0; i < 4; i++)
4102 dcode[i] = be32_to_cpu(fwcode[i + 4]);
4103 if ((dcode[0] == 0xffffffff && dcode[1] == 0xffffffff &&
4104 dcode[2] == 0xffffffff && dcode[3] == 0xffffffff) ||
4105 (dcode[0] == 0 && dcode[1] == 0 && dcode[2] == 0 &&
4106 dcode[3] == 0)) {
4107 qla_printk(KERN_WARNING, ha,
5433383e 4108 "Unable to verify integrity of firmware image!\n");
0107109e
AV		 4109 qla_printk(KERN_WARNING, ha,
4110 "Firmware data: %08x %08x %08x %08x!\n", dcode[0],
4111 dcode[1], dcode[2], dcode[3]);
4112 goto fail_fw_integrity;
4113 }
4114
4115 while (segments && rval == QLA_SUCCESS) {
4116 risc_addr = be32_to_cpu(fwcode[2]);
4117 *srisc_addr = *srisc_addr == 0 ? risc_addr : *srisc_addr;
4118 risc_size = be32_to_cpu(fwcode[3]);
4119
4120 /* Validate firmware image size. */
4121 fwclen += risc_size * sizeof(uint32_t);
5433383e 4122 if (blob->fw->size < fwclen) {
0107109e 4123 qla_printk(KERN_WARNING, ha,
5433383e
AV		 4124 "Unable to verify integrity of firmware image "
4125 "(%Zd)!\n", blob->fw->size);
4126
0107109e
AV		 4127 goto fail_fw_integrity;
4128 }
4129
4130 fragment = 0;
4131 while (risc_size > 0 && rval == QLA_SUCCESS) {
4132 dlen = (uint32_t)(ha->fw_transfer_size >> 2);
4133 if (dlen > risc_size)
4134 dlen = risc_size;
4135
4136 DEBUG7(printk("scsi(%ld): Loading risc segment@ risc "
e315cd28 4137 "addr %x, number of dwords 0x%x.\n", vha->host_no,
0107109e
AV		 4138 risc_addr, dlen));
4139
4140 for (i = 0; i < dlen; i++)
4141 dcode[i] = swab32(fwcode[i]);
4142
73208dfd 4143 rval = qla2x00_load_ram(vha, req->dma, risc_addr,
590f98e5 4144 dlen);
0107109e
AV		 4145 if (rval) {
4146 DEBUG(printk("scsi(%ld):[ERROR] Failed to load "
e315cd28 4147 "segment %d of firmware\n", vha->host_no,
0107109e
AV		 4148 fragment));
4149 qla_printk(KERN_WARNING, ha,
4150 "[ERROR] Failed to load segment %d of "
4151 "firmware\n", fragment);
4152 break;
4153 }
4154
4155 fwcode += dlen;
4156 risc_addr += dlen;
4157 risc_size -= dlen;
4158 fragment++;
4159 }
4160
4161 /* Next segment. */
4162 segments--;
4163 }
0107109e
AV		 4164 return rval;
4165
4166fail_fw_integrity:
0107109e 4167 return QLA_FUNCTION_FAILED;
0107109e 4168}
18c6c127 4169
eaac30be
AV		 4170int
4171qla24xx_load_risc(scsi_qla_host_t *vha, uint32_t *srisc_addr)
4172{
4173 int rval;
4174
e337d907
AV		 4175 if (ql2xfwloadbin == 1)
4176 return qla81xx_load_risc(vha, srisc_addr);
4177
eaac30be
AV		 4178 /*
4179 * FW Load priority:
4180 * 1) Firmware via request-firmware interface (.bin file).
4181 * 2) Firmware residing in flash.
4182 */
4183 rval = qla24xx_load_risc_blob(vha, srisc_addr);
4184 if (rval == QLA_SUCCESS)
4185 return rval;
4186
cbc8eb67
AV		 4187 return qla24xx_load_risc_flash(vha, srisc_addr,
4188 vha->hw->flt_region_fw);
eaac30be
AV		 4189}
4190
4191int
4192qla81xx_load_risc(scsi_qla_host_t *vha, uint32_t *srisc_addr)
4193{
4194 int rval;
cbc8eb67 4195 struct qla_hw_data *ha = vha->hw;
eaac30be 4196
e337d907 4197 if (ql2xfwloadbin == 2)
cbc8eb67 4198 goto try_blob_fw;
e337d907 4199
eaac30be
AV		 4200 /*
4201 * FW Load priority:
4202 * 1) Firmware residing in flash.
4203 * 2) Firmware via request-firmware interface (.bin file).
cbc8eb67 4204 * 3) Golden-Firmware residing in flash -- limited operation.
eaac30be 4205 */
cbc8eb67 4206 rval = qla24xx_load_risc_flash(vha, srisc_addr, ha->flt_region_fw);
eaac30be
AV		 4207 if (rval == QLA_SUCCESS)
4208 return rval;
4209
cbc8eb67
AV		 4210try_blob_fw:
4211 rval = qla24xx_load_risc_blob(vha, srisc_addr);
4212 if (rval == QLA_SUCCESS || !ha->flt_region_gold_fw)
4213 return rval;
4214
4215 qla_printk(KERN_ERR, ha,
4216 "FW: Attempting to fallback to golden firmware...\n");
4217 rval = qla24xx_load_risc_flash(vha, srisc_addr, ha->flt_region_gold_fw);
4218 if (rval != QLA_SUCCESS)
4219 return rval;
4220
4221 qla_printk(KERN_ERR, ha,
4222 "FW: Please update operational firmware...\n");
4223 ha->flags.running_gold_fw = 1;
4224
4225 return rval;
eaac30be
AV		 4226}
4227
18c6c127 4228void
e315cd28 4229qla2x00_try_to_stop_firmware(scsi_qla_host_t *vha)
18c6c127
AV		 4230{
4231 int ret, retries;
e315cd28 4232 struct qla_hw_data *ha = vha->hw;
18c6c127 4233
e428924c 4234 if (!IS_FWI2_CAPABLE(ha))
18c6c127 4235 return;
75edf81d
AV		 4236 if (!ha->fw_major_version)
4237 return;
18c6c127 4238
e315cd28 4239 ret = qla2x00_stop_firmware(vha);
7c7f1f29 4240 for (retries = 5; ret != QLA_SUCCESS && ret != QLA_FUNCTION_TIMEOUT &&
b469a7cb 4241 ret != QLA_INVALID_COMMAND && retries ; retries--) {
e315cd28
AC		 4242 ha->isp_ops->reset_chip(vha);
4243 if (ha->isp_ops->chip_diag(vha) != QLA_SUCCESS)
18c6c127 4244 continue;
e315cd28 4245 if (qla2x00_setup_chip(vha) != QLA_SUCCESS)
18c6c127
AV		 4246 continue;
4247 qla_printk(KERN_INFO, ha,
4248 "Attempting retry of stop-firmware command...\n");
e315cd28 4249 ret = qla2x00_stop_firmware(vha);
18c6c127
AV		 4250 }
4251}
2c3dfe3f
SJ		 4252
4253int
e315cd28 4254qla24xx_configure_vhba(scsi_qla_host_t *vha)
2c3dfe3f
SJ		 4255{
4256 int rval = QLA_SUCCESS;
4257 uint16_t mb[MAILBOX_REGISTER_COUNT];
e315cd28
AC		 4258 struct qla_hw_data *ha = vha->hw;
4259 struct scsi_qla_host *base_vha = pci_get_drvdata(ha->pdev);
67c2e93a
AC		 4260 struct req_que *req;
4261 struct rsp_que *rsp;
2c3dfe3f 4262
e315cd28 4263 if (!vha->vp_idx)
2c3dfe3f
SJ		 4264 return -EINVAL;
4265
e315cd28 4266 rval = qla2x00_fw_ready(base_vha);
67c2e93a
AC		 4267 if (ql2xmultique_tag)
4268 req = ha->req_q_map[0];
4269 else
4270 req = vha->req;
4271 rsp = req->rsp;
4272
2c3dfe3f 4273 if (rval == QLA_SUCCESS) {
e315cd28 4274 clear_bit(RESET_MARKER_NEEDED, &vha->dpc_flags);
73208dfd 4275 qla2x00_marker(vha, req, rsp, 0, 0, MK_SYNC_ALL);
2c3dfe3f
SJ		 4276 }
4277
e315cd28 4278 vha->flags.management_server_logged_in = 0;
2c3dfe3f
SJ		 4279
4280 /* Login to SNS first */
e315cd28 4281 ha->isp_ops->fabric_login(vha, NPH_SNS, 0xff, 0xff, 0xfc, mb, BIT_1);
2c3dfe3f
SJ		 4282 if (mb[0] != MBS_COMMAND_COMPLETE) {
4283 DEBUG15(qla_printk(KERN_INFO, ha,
4284 "Failed SNS login: loop_id=%x mb[0]=%x mb[1]=%x "
4285 "mb[2]=%x mb[6]=%x mb[7]=%x\n", NPH_SNS,
4286 mb[0], mb[1], mb[2], mb[6], mb[7]));
4287 return (QLA_FUNCTION_FAILED);
4288 }
4289
e315cd28
AC		 4290 atomic_set(&vha->loop_down_timer, 0);
4291 atomic_set(&vha->loop_state, LOOP_UP);
4292 set_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags);
4293 set_bit(LOCAL_LOOP_UPDATE, &vha->dpc_flags);
4294 rval = qla2x00_loop_resync(base_vha);
2c3dfe3f
SJ		 4295
4296 return rval;
4297}
4d4df193
HK		 4298
4299/* 84XX Support **************************************************************/
4300
4301static LIST_HEAD(qla_cs84xx_list);
4302static DEFINE_MUTEX(qla_cs84xx_mutex);
4303
4304static struct qla_chip_state_84xx *
e315cd28 4305qla84xx_get_chip(struct scsi_qla_host *vha)
4d4df193
HK		 4306{
4307 struct qla_chip_state_84xx *cs84xx;
e315cd28 4308 struct qla_hw_data *ha = vha->hw;
4d4df193
HK		 4309
4310 mutex_lock(&qla_cs84xx_mutex);
4311
4312 /* Find any shared 84xx chip. */
4313 list_for_each_entry(cs84xx, &qla_cs84xx_list, list) {
4314 if (cs84xx->bus == ha->pdev->bus) {
4315 kref_get(&cs84xx->kref);
4316 goto done;
4317 }
4318 }
4319
4320 cs84xx = kzalloc(sizeof(*cs84xx), GFP_KERNEL);
4321 if (!cs84xx)
4322 goto done;
4323
4324 kref_init(&cs84xx->kref);
4325 spin_lock_init(&cs84xx->access_lock);
4326 mutex_init(&cs84xx->fw_update_mutex);
4327 cs84xx->bus = ha->pdev->bus;
4328
4329 list_add_tail(&cs84xx->list, &qla_cs84xx_list);
4330done:
4331 mutex_unlock(&qla_cs84xx_mutex);
4332 return cs84xx;
4333}
4334
4335static void
4336__qla84xx_chip_release(struct kref *kref)
4337{
4338 struct qla_chip_state_84xx *cs84xx =
4339 container_of(kref, struct qla_chip_state_84xx, kref);
4340
4341 mutex_lock(&qla_cs84xx_mutex);
4342 list_del(&cs84xx->list);
4343 mutex_unlock(&qla_cs84xx_mutex);
4344 kfree(cs84xx);
4345}
4346
4347void
e315cd28 4348qla84xx_put_chip(struct scsi_qla_host *vha)
4d4df193 4349{
e315cd28 4350 struct qla_hw_data *ha = vha->hw;
4d4df193
HK		 4351 if (ha->cs84xx)
4352 kref_put(&ha->cs84xx->kref, __qla84xx_chip_release);
4353}
4354
4355static int
e315cd28 4356qla84xx_init_chip(scsi_qla_host_t *vha)
4d4df193
HK		 4357{
4358 int rval;
4359 uint16_t status[2];
e315cd28 4360 struct qla_hw_data *ha = vha->hw;
4d4df193
HK		 4361
4362 mutex_lock(&ha->cs84xx->fw_update_mutex);
4363
e315cd28 4364 rval = qla84xx_verify_chip(vha, status);
4d4df193
HK		 4365
4366 mutex_unlock(&ha->cs84xx->fw_update_mutex);
4367
4368 return rval != QLA_SUCCESS || status[0] ? QLA_FUNCTION_FAILED:
4369 QLA_SUCCESS;
4370}
3a03eb79
AV		 4371
4372/* 81XX Support **************************************************************/
4373
4374int
4375qla81xx_nvram_config(scsi_qla_host_t *vha)
4376{
4377 int rval;
4378 struct init_cb_81xx *icb;
4379 struct nvram_81xx *nv;
4380 uint32_t *dptr;
4381 uint8_t *dptr1, *dptr2;
4382 uint32_t chksum;
4383 uint16_t cnt;
4384 struct qla_hw_data *ha = vha->hw;
4385
4386 rval = QLA_SUCCESS;
4387 icb = (struct init_cb_81xx *)ha->init_cb;
4388 nv = ha->nvram;
4389
4390 /* Determine NVRAM starting address. */
4391 ha->nvram_size = sizeof(struct nvram_81xx);
3a03eb79 4392 ha->vpd_size = FA_NVRAM_VPD_SIZE;
3a03eb79
AV		 4393
4394 /* Get VPD data into cache */
4395 ha->vpd = ha->nvram + VPD_OFFSET;
3d79038f
AV		 4396 ha->isp_ops->read_optrom(vha, ha->vpd, ha->flt_region_vpd << 2,
4397 ha->vpd_size);
3a03eb79
AV		 4398
4399 /* Get NVRAM data into cache and calculate checksum. */
3d79038f 4400 ha->isp_ops->read_optrom(vha, ha->nvram, ha->flt_region_nvram << 2,
3a03eb79 4401 ha->nvram_size);
3d79038f 4402 dptr = (uint32_t *)nv;
3a03eb79
AV		 4403 for (cnt = 0, chksum = 0; cnt < ha->nvram_size >> 2; cnt++)
4404 chksum += le32_to_cpu(*dptr++);
4405
7640335e 4406 DEBUG5(printk("scsi(%ld): Contents of NVRAM\n", vha->host_no));
3a03eb79
AV		 4407 DEBUG5(qla2x00_dump_buffer((uint8_t *)nv, ha->nvram_size));
4408
4409 /* Bad NVRAM data, set defaults parameters. */
4410 if (chksum || nv->id[0] != 'I' || nv->id[1] != 'S' || nv->id[2] != 'P'
4411 || nv->id[3] != ' ' ||
4412 nv->nvram_version < __constant_cpu_to_le16(ICB_VERSION)) {
4413 /* Reset NVRAM data. */
4414 qla_printk(KERN_WARNING, ha, "Inconsistent NVRAM detected: "
4415 "checksum=0x%x id=%c version=0x%x.\n", chksum, nv->id[0],
4416 le16_to_cpu(nv->nvram_version));
4417 qla_printk(KERN_WARNING, ha, "Falling back to functioning (yet "
4418 "invalid -- WWPN) defaults.\n");
4419
4420 /*
4421 * Set default initialization control block.
4422 */
4423 memset(nv, 0, ha->nvram_size);
4424 nv->nvram_version = __constant_cpu_to_le16(ICB_VERSION);
4425 nv->version = __constant_cpu_to_le16(ICB_VERSION);
4426 nv->frame_payload_size = __constant_cpu_to_le16(2048);
4427 nv->execution_throttle = __constant_cpu_to_le16(0xFFFF);
4428 nv->exchange_count = __constant_cpu_to_le16(0);
4429 nv->port_name[0] = 0x21;
e5b68a61 4430 nv->port_name[1] = 0x00 + ha->port_no;
3a03eb79
AV		 4431 nv->port_name[2] = 0x00;
4432 nv->port_name[3] = 0xe0;
4433 nv->port_name[4] = 0x8b;
4434 nv->port_name[5] = 0x1c;
4435 nv->port_name[6] = 0x55;
4436 nv->port_name[7] = 0x86;
4437 nv->node_name[0] = 0x20;
4438 nv->node_name[1] = 0x00;
4439 nv->node_name[2] = 0x00;
4440 nv->node_name[3] = 0xe0;
4441 nv->node_name[4] = 0x8b;
4442 nv->node_name[5] = 0x1c;
4443 nv->node_name[6] = 0x55;
4444 nv->node_name[7] = 0x86;
4445 nv->login_retry_count = __constant_cpu_to_le16(8);
4446 nv->interrupt_delay_timer = __constant_cpu_to_le16(0);
4447 nv->login_timeout = __constant_cpu_to_le16(0);
4448 nv->firmware_options_1 =
4449 __constant_cpu_to_le32(BIT_14|BIT_13|BIT_2|BIT_1);
4450 nv->firmware_options_2 = __constant_cpu_to_le32(2 << 4);
4451 nv->firmware_options_2 |= __constant_cpu_to_le32(BIT_12);
4452 nv->firmware_options_3 = __constant_cpu_to_le32(2 << 13);
4453 nv->host_p = __constant_cpu_to_le32(BIT_11|BIT_10);
4454 nv->efi_parameters = __constant_cpu_to_le32(0);
4455 nv->reset_delay = 5;
4456 nv->max_luns_per_target = __constant_cpu_to_le16(128);
4457 nv->port_down_retry_count = __constant_cpu_to_le16(30);
4458 nv->link_down_timeout = __constant_cpu_to_le16(30);
eeebcc92 4459 nv->enode_mac[0] = 0x00;
3a03eb79
AV		 4460 nv->enode_mac[1] = 0x02;
4461 nv->enode_mac[2] = 0x03;
4462 nv->enode_mac[3] = 0x04;
4463 nv->enode_mac[4] = 0x05;
e5b68a61 4464 nv->enode_mac[5] = 0x06 + ha->port_no;
3a03eb79
AV		 4465
4466 rval = 1;
4467 }
4468
4469 /* Reset Initialization control block */
4470 memset(icb, 0, sizeof(struct init_cb_81xx));
4471
4472 /* Copy 1st segment. */
4473 dptr1 = (uint8_t *)icb;
4474 dptr2 = (uint8_t *)&nv->version;
4475 cnt = (uint8_t *)&icb->response_q_inpointer - (uint8_t *)&icb->version;
4476 while (cnt--)
4477 *dptr1++ = *dptr2++;
4478
4479 icb->login_retry_count = nv->login_retry_count;
4480
4481 /* Copy 2nd segment. */
4482 dptr1 = (uint8_t *)&icb->interrupt_delay_timer;
4483 dptr2 = (uint8_t *)&nv->interrupt_delay_timer;
4484 cnt = (uint8_t *)&icb->reserved_5 -
4485 (uint8_t *)&icb->interrupt_delay_timer;
4486 while (cnt--)
4487 *dptr1++ = *dptr2++;
4488
4489 memcpy(icb->enode_mac, nv->enode_mac, sizeof(icb->enode_mac));
4490 /* Some boards (with valid NVRAMs) still have NULL enode_mac!! */
4491 if (!memcmp(icb->enode_mac, "\0\0\0\0\0\0", sizeof(icb->enode_mac))) {
4492 icb->enode_mac[0] = 0x01;
4493 icb->enode_mac[1] = 0x02;
4494 icb->enode_mac[2] = 0x03;
4495 icb->enode_mac[3] = 0x04;
4496 icb->enode_mac[4] = 0x05;
e5b68a61 4497 icb->enode_mac[5] = 0x06 + ha->port_no;
3a03eb79
AV		 4498 }
4499
b64b0e8f
AV		 4500 /* Use extended-initialization control block. */
4501 memcpy(ha->ex_init_cb, &nv->ex_version, sizeof(*ha->ex_init_cb));
4502
3a03eb79
AV		 4503 /*
4504 * Setup driver NVRAM options.
4505 */
4506 qla2x00_set_model_info(vha, nv->model_name, sizeof(nv->model_name),
4507 "QLE81XX");
4508
4509 /* Use alternate WWN? */
4510 if (nv->host_p & __constant_cpu_to_le32(BIT_15)) {
4511 memcpy(icb->node_name, nv->alternate_node_name, WWN_SIZE);
4512 memcpy(icb->port_name, nv->alternate_port_name, WWN_SIZE);
4513 }
4514
4515 /* Prepare nodename */
4516 if ((icb->firmware_options_1 & __constant_cpu_to_le32(BIT_14)) == 0) {
4517 /*
4518 * Firmware will apply the following mask if the nodename was
4519 * not provided.
4520 */
4521 memcpy(icb->node_name, icb->port_name, WWN_SIZE);
4522 icb->node_name[0] &= 0xF0;
4523 }
4524
4525 /* Set host adapter parameters. */
4526 ha->flags.disable_risc_code_load = 0;
4527 ha->flags.enable_lip_reset = 0;
4528 ha->flags.enable_lip_full_login =
4529 le32_to_cpu(nv->host_p) & BIT_10 ? 1: 0;
4530 ha->flags.enable_target_reset =
4531 le32_to_cpu(nv->host_p) & BIT_11 ? 1: 0;
4532 ha->flags.enable_led_scheme = 0;
4533 ha->flags.disable_serdes = le32_to_cpu(nv->host_p) & BIT_5 ? 1: 0;
4534
4535 ha->operating_mode = (le32_to_cpu(icb->firmware_options_2) &
4536 (BIT_6 | BIT_5 | BIT_4)) >> 4;
4537
4538 /* save HBA serial number */
4539 ha->serial0 = icb->port_name[5];
4540 ha->serial1 = icb->port_name[6];
4541 ha->serial2 = icb->port_name[7];
4542 memcpy(vha->node_name, icb->node_name, WWN_SIZE);
4543 memcpy(vha->port_name, icb->port_name, WWN_SIZE);
4544
4545 icb->execution_throttle = __constant_cpu_to_le16(0xFFFF);
4546
4547 ha->retry_count = le16_to_cpu(nv->login_retry_count);
4548
4549 /* Set minimum login_timeout to 4 seconds. */
4550 if (le16_to_cpu(nv->login_timeout) < ql2xlogintimeout)
4551 nv->login_timeout = cpu_to_le16(ql2xlogintimeout);
4552 if (le16_to_cpu(nv->login_timeout) < 4)
4553 nv->login_timeout = __constant_cpu_to_le16(4);
4554 ha->login_timeout = le16_to_cpu(nv->login_timeout);
4555 icb->login_timeout = nv->login_timeout;
4556
4557 /* Set minimum RATOV to 100 tenths of a second. */
4558 ha->r_a_tov = 100;
4559
4560 ha->loop_reset_delay = nv->reset_delay;
4561
4562 /* Link Down Timeout = 0:
4563 *
4564 * When Port Down timer expires we will start returning
4565 * I/O's to OS with "DID_NO_CONNECT".
4566 *
4567 * Link Down Timeout != 0:
4568 *
4569 * The driver waits for the link to come up after link down
4570 * before returning I/Os to OS with "DID_NO_CONNECT".
4571 */
4572 if (le16_to_cpu(nv->link_down_timeout) == 0) {
4573 ha->loop_down_abort_time =
4574 (LOOP_DOWN_TIME - LOOP_DOWN_TIMEOUT);
4575 } else {
4576 ha->link_down_timeout = le16_to_cpu(nv->link_down_timeout);
4577 ha->loop_down_abort_time =
4578 (LOOP_DOWN_TIME - ha->link_down_timeout);
4579 }
4580
4581 /* Need enough time to try and get the port back. */
4582 ha->port_down_retry_count = le16_to_cpu(nv->port_down_retry_count);
4583 if (qlport_down_retry)
4584 ha->port_down_retry_count = qlport_down_retry;
4585
4586 /* Set login_retry_count */
4587 ha->login_retry_count = le16_to_cpu(nv->login_retry_count);
4588 if (ha->port_down_retry_count ==
4589 le16_to_cpu(nv->port_down_retry_count) &&
4590 ha->port_down_retry_count > 3)
4591 ha->login_retry_count = ha->port_down_retry_count;
4592 else if (ha->port_down_retry_count > (int)ha->login_retry_count)
4593 ha->login_retry_count = ha->port_down_retry_count;
4594 if (ql2xloginretrycount)
4595 ha->login_retry_count = ql2xloginretrycount;
4596
4597 /* Enable ZIO. */
4598 if (!vha->flags.init_done) {
4599 ha->zio_mode = le32_to_cpu(icb->firmware_options_2) &
4600 (BIT_3 | BIT_2 | BIT_1 | BIT_0);
4601 ha->zio_timer = le16_to_cpu(icb->interrupt_delay_timer) ?
4602 le16_to_cpu(icb->interrupt_delay_timer): 2;
4603 }
4604 icb->firmware_options_2 &= __constant_cpu_to_le32(
4605 ~(BIT_3 | BIT_2 | BIT_1 | BIT_0));
4606 vha->flags.process_response_queue = 0;
4607 if (ha->zio_mode != QLA_ZIO_DISABLED) {
4608 ha->zio_mode = QLA_ZIO_MODE_6;
4609
4610 DEBUG2(printk("scsi(%ld): ZIO mode %d enabled; timer delay "
4611 "(%d us).\n", vha->host_no, ha->zio_mode,
4612 ha->zio_timer * 100));
4613 qla_printk(KERN_INFO, ha,
4614 "ZIO mode %d enabled; timer delay (%d us).\n",
4615 ha->zio_mode, ha->zio_timer * 100);
4616
4617 icb->firmware_options_2 |= cpu_to_le32(
4618 (uint32_t)ha->zio_mode);
4619 icb->interrupt_delay_timer = cpu_to_le16(ha->zio_timer);
4620 vha->flags.process_response_queue = 1;
4621 }
4622
4623 if (rval) {
4624 DEBUG2_3(printk(KERN_WARNING
4625 "scsi(%ld): NVRAM configuration failed!\n", vha->host_no));
4626 }
4627 return (rval);
4628}
4629
4630void
4631qla81xx_update_fw_options(scsi_qla_host_t *ha)
4632{
4633}
kernel source for telekom puls (alcatel/mediatek)