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[SCSI] qla2xxx: Reduce request queue-size overhead with recent ISPs.
[net-next-2.6.git] / drivers / scsi / qla2xxx / qla_init.c
CommitLineData
1da177e4 1/*
fa90c54f 2 * QLogic Fibre Channel HBA Driver
01e58d8e 3 * Copyright (c) 2003-2008 QLogic Corporation
1da177e4 4 *
fa90c54f 5 * See LICENSE.qla2xxx for copyright and licensing details.
1da177e4
LT		 6 */
7#include "qla_def.h"
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",
637 ha->host_no));
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 */
658 DEBUG3(printk("scsi(%ld): Checking product ID of chip\n", ha->host_no));
659
660 mb[1] = RD_MAILBOX_REG(ha, reg, 1);
661 mb[2] = RD_MAILBOX_REG(ha, reg, 2);
662 mb[3] = RD_MAILBOX_REG(ha, reg, 3);
663 mb[4] = qla2x00_debounce_register(MAILBOX_REG(ha, reg, 4));
664 if (mb[1] != PROD_ID_1 || (mb[2] != PROD_ID_2 && mb[2] != PROD_ID_2a) ||
665 mb[3] != PROD_ID_3) {
666 qla_printk(KERN_WARNING, ha,
667 "Wrong product ID = 0x%x,0x%x,0x%x\n", mb[1], mb[2], mb[3]);
668
669 goto chip_diag_failed;
670 }
671 ha->product_id[0] = mb[1];
672 ha->product_id[1] = mb[2];
673 ha->product_id[2] = mb[3];
674 ha->product_id[3] = mb[4];
675
676 /* Adjust fw RISC transfer size */
73208dfd 677 if (req->length > 1024)
1da177e4
LT		 678 ha->fw_transfer_size = REQUEST_ENTRY_SIZE * 1024;
679 else
680 ha->fw_transfer_size = REQUEST_ENTRY_SIZE *
73208dfd 681 req->length;
1da177e4
LT		 682
683 if (IS_QLA2200(ha) &&
684 RD_MAILBOX_REG(ha, reg, 7) == QLA2200A_RISC_ROM_VER) {
685 /* Limit firmware transfer size with a 2200A */
686 DEBUG3(printk("scsi(%ld): Found QLA2200A chip.\n",
e315cd28 687 vha->host_no));
1da177e4 688
ea5b6382 689 ha->device_type |= DT_ISP2200A;
1da177e4
LT		 690 ha->fw_transfer_size = 128;
691 }
692
693 /* Wrap Incoming Mailboxes Test. */
694 spin_unlock_irqrestore(&ha->hardware_lock, flags);
695
e315cd28
AC		 696 DEBUG3(printk("scsi(%ld): Checking mailboxes.\n", vha->host_no));
697 rval = qla2x00_mbx_reg_test(vha);
1da177e4
LT		 698 if (rval) {
699 DEBUG(printk("scsi(%ld): Failed mailbox send register test\n",
e315cd28 700 vha->host_no));
1da177e4
LT		 701 qla_printk(KERN_WARNING, ha,
702 "Failed mailbox send register test\n");
703 }
704 else {
705 /* Flag a successful rval */
706 rval = QLA_SUCCESS;
707 }
708 spin_lock_irqsave(&ha->hardware_lock, flags);
709
710chip_diag_failed:
711 if (rval)
712 DEBUG2_3(printk("scsi(%ld): Chip diagnostics **** FAILED "
e315cd28 713 "****\n", vha->host_no));
1da177e4
LT		 714
715 spin_unlock_irqrestore(&ha->hardware_lock, flags);
716
717 return (rval);
718}
719
0107109e
AV		 720/**
721 * qla24xx_chip_diag() - Test ISP24xx for proper operation.
722 * @ha: HA context
723 *
724 * Returns 0 on success.
725 */
726int
e315cd28 727qla24xx_chip_diag(scsi_qla_host_t *vha)
0107109e
AV		 728{
729 int rval;
e315cd28 730 struct qla_hw_data *ha = vha->hw;
73208dfd 731 struct req_que *req = ha->req_q_map[0];
0107109e 732
88c26663 733 /* Perform RISC reset. */
e315cd28 734 qla24xx_reset_risc(vha);
0107109e 735
73208dfd 736 ha->fw_transfer_size = REQUEST_ENTRY_SIZE * req->length;
0107109e 737
e315cd28 738 rval = qla2x00_mbx_reg_test(vha);
0107109e
AV		 739 if (rval) {
740 DEBUG(printk("scsi(%ld): Failed mailbox send register test\n",
e315cd28 741 vha->host_no));
0107109e
AV		 742 qla_printk(KERN_WARNING, ha,
743 "Failed mailbox send register test\n");
744 } else {
745 /* Flag a successful rval */
746 rval = QLA_SUCCESS;
747 }
748
749 return rval;
750}
751
a7a167bf 752void
e315cd28 753qla2x00_alloc_fw_dump(scsi_qla_host_t *vha)
0107109e 754{
a7a167bf
AV		 755 int rval;
756 uint32_t dump_size, fixed_size, mem_size, req_q_size, rsp_q_size,
73208dfd 757 eft_size, fce_size, mq_size;
df613b96
AV		 758 dma_addr_t tc_dma;
759 void *tc;
e315cd28 760 struct qla_hw_data *ha = vha->hw;
73208dfd
AC		 761 struct req_que *req = ha->req_q_map[0];
762 struct rsp_que *rsp = ha->rsp_q_map[0];
a7a167bf
AV		 763
764 if (ha->fw_dump) {
765 qla_printk(KERN_WARNING, ha,
766 "Firmware dump previously allocated.\n");
767 return;
768 }
d4e3e04d 769
0107109e 770 ha->fw_dumped = 0;
73208dfd 771 fixed_size = mem_size = eft_size = fce_size = mq_size = 0;
d4e3e04d 772 if (IS_QLA2100(ha) || IS_QLA2200(ha)) {
a7a167bf 773 fixed_size = sizeof(struct qla2100_fw_dump);
d4e3e04d 774 } else if (IS_QLA23XX(ha)) {
a7a167bf
AV		 775 fixed_size = offsetof(struct qla2300_fw_dump, data_ram);
776 mem_size = (ha->fw_memory_size - 0x11000 + 1) *
777 sizeof(uint16_t);
e428924c 778 } else if (IS_FWI2_CAPABLE(ha)) {
3a03eb79
AV		 779 if (IS_QLA81XX(ha))
780 fixed_size = offsetof(struct qla81xx_fw_dump, ext_mem);
781 else if (IS_QLA25XX(ha))
782 fixed_size = offsetof(struct qla25xx_fw_dump, ext_mem);
783 else
784 fixed_size = offsetof(struct qla24xx_fw_dump, ext_mem);
a7a167bf
AV		 785 mem_size = (ha->fw_memory_size - 0x100000 + 1) *
786 sizeof(uint32_t);
73208dfd
AC		 787 if (ha->mqenable)
788 mq_size = sizeof(struct qla2xxx_mq_chain);
a7a167bf 789
df613b96 790 /* Allocate memory for Fibre Channel Event Buffer. */
3a03eb79 791 if (!IS_QLA25XX(ha) && !IS_QLA81XX(ha))
436a7b11 792 goto try_eft;
df613b96
AV		 793
794 tc = dma_alloc_coherent(&ha->pdev->dev, FCE_SIZE, &tc_dma,
795 GFP_KERNEL);
796 if (!tc) {
797 qla_printk(KERN_WARNING, ha, "Unable to allocate "
798 "(%d KB) for FCE.\n", FCE_SIZE / 1024);
17d98630 799 goto try_eft;
df613b96
AV		 800 }
801
802 memset(tc, 0, FCE_SIZE);
e315cd28 803 rval = qla2x00_enable_fce_trace(vha, tc_dma, FCE_NUM_BUFFERS,
df613b96
AV		 804 ha->fce_mb, &ha->fce_bufs);
805 if (rval) {
806 qla_printk(KERN_WARNING, ha, "Unable to initialize "
807 "FCE (%d).\n", rval);
808 dma_free_coherent(&ha->pdev->dev, FCE_SIZE, tc,
809 tc_dma);
810 ha->flags.fce_enabled = 0;
17d98630 811 goto try_eft;
df613b96
AV		 812 }
813
814 qla_printk(KERN_INFO, ha, "Allocated (%d KB) for FCE...\n",
815 FCE_SIZE / 1024);
816
7d9dade3 817 fce_size = sizeof(struct qla2xxx_fce_chain) + FCE_SIZE;
df613b96
AV		 818 ha->flags.fce_enabled = 1;
819 ha->fce_dma = tc_dma;
820 ha->fce = tc;
436a7b11
AV		 821try_eft:
822 /* Allocate memory for Extended Trace Buffer. */
823 tc = dma_alloc_coherent(&ha->pdev->dev, EFT_SIZE, &tc_dma,
824 GFP_KERNEL);
825 if (!tc) {
826 qla_printk(KERN_WARNING, ha, "Unable to allocate "
827 "(%d KB) for EFT.\n", EFT_SIZE / 1024);
828 goto cont_alloc;
829 }
830
831 memset(tc, 0, EFT_SIZE);
e315cd28 832 rval = qla2x00_enable_eft_trace(vha, tc_dma, EFT_NUM_BUFFERS);
436a7b11
AV		 833 if (rval) {
834 qla_printk(KERN_WARNING, ha, "Unable to initialize "
835 "EFT (%d).\n", rval);
836 dma_free_coherent(&ha->pdev->dev, EFT_SIZE, tc,
837 tc_dma);
838 goto cont_alloc;
839 }
840
841 qla_printk(KERN_INFO, ha, "Allocated (%d KB) for EFT...\n",
842 EFT_SIZE / 1024);
843
844 eft_size = EFT_SIZE;
845 ha->eft_dma = tc_dma;
846 ha->eft = tc;
d4e3e04d 847 }
a7a167bf 848cont_alloc:
73208dfd
AC		 849 req_q_size = req->length * sizeof(request_t);
850 rsp_q_size = rsp->length * sizeof(response_t);
a7a167bf
AV		 851
852 dump_size = offsetof(struct qla2xxx_fw_dump, isp);
853 dump_size += fixed_size + mem_size + req_q_size + rsp_q_size +
bb99de67
AV		 854 eft_size;
855 ha->chain_offset = dump_size;
856 dump_size += mq_size + fce_size;
d4e3e04d
AV		 857
858 ha->fw_dump = vmalloc(dump_size);
a7a167bf 859 if (!ha->fw_dump) {
0107109e 860 qla_printk(KERN_WARNING, ha, "Unable to allocate (%d KB) for "
d4e3e04d 861 "firmware dump!!!\n", dump_size / 1024);
a7a167bf
AV		 862
863 if (ha->eft) {
864 dma_free_coherent(&ha->pdev->dev, eft_size, ha->eft,
865 ha->eft_dma);
866 ha->eft = NULL;
867 ha->eft_dma = 0;
868 }
869 return;
870 }
a7a167bf
AV		 871 qla_printk(KERN_INFO, ha, "Allocated (%d KB) for firmware dump...\n",
872 dump_size / 1024);
873
874 ha->fw_dump_len = dump_size;
875 ha->fw_dump->signature[0] = 'Q';
876 ha->fw_dump->signature[1] = 'L';
877 ha->fw_dump->signature[2] = 'G';
878 ha->fw_dump->signature[3] = 'C';
879 ha->fw_dump->version = __constant_htonl(1);
880
881 ha->fw_dump->fixed_size = htonl(fixed_size);
882 ha->fw_dump->mem_size = htonl(mem_size);
883 ha->fw_dump->req_q_size = htonl(req_q_size);
884 ha->fw_dump->rsp_q_size = htonl(rsp_q_size);
885
886 ha->fw_dump->eft_size = htonl(eft_size);
887 ha->fw_dump->eft_addr_l = htonl(LSD(ha->eft_dma));
888 ha->fw_dump->eft_addr_h = htonl(MSD(ha->eft_dma));
889
890 ha->fw_dump->header_size =
891 htonl(offsetof(struct qla2xxx_fw_dump, isp));
0107109e
AV		 892}
893
1da177e4
LT		 894/**
895 * qla2x00_setup_chip() - Load and start RISC firmware.
896 * @ha: HA context
897 *
898 * Returns 0 on success.
899 */
900static int
e315cd28 901qla2x00_setup_chip(scsi_qla_host_t *vha)
1da177e4 902{
0107109e
AV		 903 int rval;
904 uint32_t srisc_address = 0;
e315cd28 905 struct qla_hw_data *ha = vha->hw;
3db0652e
AV		 906 struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
907 unsigned long flags;
dda772e8 908 uint16_t fw_major_version;
3db0652e
AV		 909
910 if (!IS_FWI2_CAPABLE(ha) && !IS_QLA2100(ha) && !IS_QLA2200(ha)) {
911 /* Disable SRAM, Instruction RAM and GP RAM parity. */
912 spin_lock_irqsave(&ha->hardware_lock, flags);
913 WRT_REG_WORD(&reg->hccr, (HCCR_ENABLE_PARITY + 0x0));
914 RD_REG_WORD(&reg->hccr);
915 spin_unlock_irqrestore(&ha->hardware_lock, flags);
916 }
1da177e4
LT		 917
918 /* Load firmware sequences */
e315cd28 919 rval = ha->isp_ops->load_risc(vha, &srisc_address);
0107109e 920 if (rval == QLA_SUCCESS) {
1da177e4 921 DEBUG(printk("scsi(%ld): Verifying Checksum of loaded RISC "
e315cd28 922 "code.\n", vha->host_no));
1da177e4 923
e315cd28 924 rval = qla2x00_verify_checksum(vha, srisc_address);
1da177e4
LT		 925 if (rval == QLA_SUCCESS) {
926 /* Start firmware execution. */
927 DEBUG(printk("scsi(%ld): Checksum OK, start "
e315cd28 928 "firmware.\n", vha->host_no));
1da177e4 929
e315cd28 930 rval = qla2x00_execute_fw(vha, srisc_address);
1da177e4 931 /* Retrieve firmware information. */
dda772e8
AV		 932 if (rval == QLA_SUCCESS) {
933 fw_major_version = ha->fw_major_version;
e315cd28 934 qla2x00_get_fw_version(vha,
1da177e4
LT		 935 &ha->fw_major_version,
936 &ha->fw_minor_version,
937 &ha->fw_subminor_version,
3a03eb79 938 &ha->fw_attributes, &ha->fw_memory_size,
55a96158
AV		 939 ha->mpi_version, &ha->mpi_capabilities,
940 ha->phy_version);
2c3dfe3f 941 ha->flags.npiv_supported = 0;
e315cd28 942 if (IS_QLA2XXX_MIDTYPE(ha) &&
946fb891 943 (ha->fw_attributes & BIT_2)) {
2c3dfe3f 944 ha->flags.npiv_supported = 1;
4d0ea247
SJ		 945 if ((!ha->max_npiv_vports) ||
946 ((ha->max_npiv_vports + 1) %
eb66dc60 947 MIN_MULTI_ID_FABRIC))
4d0ea247 948 ha->max_npiv_vports =
eb66dc60 949 MIN_MULTI_ID_FABRIC - 1;
4d0ea247 950 }
d743de66
AV		 951 qla2x00_get_resource_cnts(vha, NULL, NULL,
952 NULL, NULL, &ha->max_npiv_vports);
953
954 if (!fw_major_version && ql2xallocfwdump)
955 qla2x00_alloc_fw_dump(vha);
1da177e4
LT		 956 }
957 } else {
958 DEBUG2(printk(KERN_INFO
959 "scsi(%ld): ISP Firmware failed checksum.\n",
e315cd28 960 vha->host_no));
1da177e4
LT		 961 }
962 }
963
3db0652e
AV		 964 if (!IS_FWI2_CAPABLE(ha) && !IS_QLA2100(ha) && !IS_QLA2200(ha)) {
965 /* Enable proper parity. */
966 spin_lock_irqsave(&ha->hardware_lock, flags);
967 if (IS_QLA2300(ha))
968 /* SRAM parity */
969 WRT_REG_WORD(&reg->hccr, HCCR_ENABLE_PARITY + 0x1);
970 else
971 /* SRAM, Instruction RAM and GP RAM parity */
972 WRT_REG_WORD(&reg->hccr, HCCR_ENABLE_PARITY + 0x7);
973 RD_REG_WORD(&reg->hccr);
974 spin_unlock_irqrestore(&ha->hardware_lock, flags);
975 }
976
1d2874de
JC		 977 if (rval == QLA_SUCCESS && IS_FAC_REQUIRED(ha)) {
978 uint32_t size;
979
980 rval = qla81xx_fac_get_sector_size(vha, &size);
981 if (rval == QLA_SUCCESS) {
982 ha->flags.fac_supported = 1;
983 ha->fdt_block_size = size << 2;
984 } else {
985 qla_printk(KERN_ERR, ha,
986 "Unsupported FAC firmware (%d.%02d.%02d).\n",
987 ha->fw_major_version, ha->fw_minor_version,
988 ha->fw_subminor_version);
989 }
990 }
991
1da177e4
LT		 992 if (rval) {
993 DEBUG2_3(printk("scsi(%ld): Setup chip **** FAILED ****.\n",
e315cd28 994 vha->host_no));
1da177e4
LT		 995 }
996
997 return (rval);
998}
999
1000/**
1001 * qla2x00_init_response_q_entries() - Initializes response queue entries.
1002 * @ha: HA context
1003 *
1004 * Beginning of request ring has initialization control block already built
1005 * by nvram config routine.
1006 *
1007 * Returns 0 on success.
1008 */
73208dfd
AC		 1009void
1010qla2x00_init_response_q_entries(struct rsp_que *rsp)
1da177e4
LT		 1011{
1012 uint16_t cnt;
1013 response_t *pkt;
1014
e315cd28
AC		 1015 pkt = rsp->ring_ptr;
1016 for (cnt = 0; cnt < rsp->length; cnt++) {
1da177e4
LT		 1017 pkt->signature = RESPONSE_PROCESSED;
1018 pkt++;
1019 }
1020
1021}
1022
1023/**
1024 * qla2x00_update_fw_options() - Read and process firmware options.
1025 * @ha: HA context
1026 *
1027 * Returns 0 on success.
1028 */
abbd8870 1029void
e315cd28 1030qla2x00_update_fw_options(scsi_qla_host_t *vha)
1da177e4
LT		 1031{
1032 uint16_t swing, emphasis, tx_sens, rx_sens;
e315cd28 1033 struct qla_hw_data *ha = vha->hw;
1da177e4
LT		 1034
1035 memset(ha->fw_options, 0, sizeof(ha->fw_options));
e315cd28 1036 qla2x00_get_fw_options(vha, ha->fw_options);
1da177e4
LT		 1037
1038 if (IS_QLA2100(ha) || IS_QLA2200(ha))
1039 return;
1040
1041 /* Serial Link options. */
1042 DEBUG3(printk("scsi(%ld): Serial link options:\n",
e315cd28 1043 vha->host_no));
1da177e4
LT		 1044 DEBUG3(qla2x00_dump_buffer((uint8_t *)&ha->fw_seriallink_options,
1045 sizeof(ha->fw_seriallink_options)));
1046
1047 ha->fw_options[1] &= ~FO1_SET_EMPHASIS_SWING;
1048 if (ha->fw_seriallink_options[3] & BIT_2) {
1049 ha->fw_options[1] |= FO1_SET_EMPHASIS_SWING;
1050
1051 /* 1G settings */
1052 swing = ha->fw_seriallink_options[2] & (BIT_2 | BIT_1 | BIT_0);
1053 emphasis = (ha->fw_seriallink_options[2] &
1054 (BIT_4 | BIT_3)) >> 3;
1055 tx_sens = ha->fw_seriallink_options[0] &
fa2a1ce5 1056 (BIT_3 | BIT_2 | BIT_1 | BIT_0);
1da177e4
LT		 1057 rx_sens = (ha->fw_seriallink_options[0] &
1058 (BIT_7 | BIT_6 | BIT_5 | BIT_4)) >> 4;
1059 ha->fw_options[10] = (emphasis << 14) | (swing << 8);
1060 if (IS_QLA2300(ha) || IS_QLA2312(ha) || IS_QLA6312(ha)) {
1061 if (rx_sens == 0x0)
1062 rx_sens = 0x3;
1063 ha->fw_options[10] |= (tx_sens << 4) | rx_sens;
1064 } else if (IS_QLA2322(ha) || IS_QLA6322(ha))
1065 ha->fw_options[10] |= BIT_5 |
1066 ((rx_sens & (BIT_1 | BIT_0)) << 2) |
1067 (tx_sens & (BIT_1 | BIT_0));
1068
1069 /* 2G settings */
1070 swing = (ha->fw_seriallink_options[2] &
1071 (BIT_7 | BIT_6 | BIT_5)) >> 5;
1072 emphasis = ha->fw_seriallink_options[3] & (BIT_1 | BIT_0);
1073 tx_sens = ha->fw_seriallink_options[1] &
fa2a1ce5 1074 (BIT_3 | BIT_2 | BIT_1 | BIT_0);
1da177e4
LT		 1075 rx_sens = (ha->fw_seriallink_options[1] &
1076 (BIT_7 | BIT_6 | BIT_5 | BIT_4)) >> 4;
1077 ha->fw_options[11] = (emphasis << 14) | (swing << 8);
1078 if (IS_QLA2300(ha) || IS_QLA2312(ha) || IS_QLA6312(ha)) {
1079 if (rx_sens == 0x0)
1080 rx_sens = 0x3;
1081 ha->fw_options[11] |= (tx_sens << 4) | rx_sens;
1082 } else if (IS_QLA2322(ha) || IS_QLA6322(ha))
1083 ha->fw_options[11] |= BIT_5 |
1084 ((rx_sens & (BIT_1 | BIT_0)) << 2) |
1085 (tx_sens & (BIT_1 | BIT_0));
1086 }
1087
1088 /* FCP2 options. */
1089 /* Return command IOCBs without waiting for an ABTS to complete. */
1090 ha->fw_options[3] |= BIT_13;
1091
1092 /* LED scheme. */
1093 if (ha->flags.enable_led_scheme)
1094 ha->fw_options[2] |= BIT_12;
1095
48c02fde
AV		 1096 /* Detect ISP6312. */
1097 if (IS_QLA6312(ha))
1098 ha->fw_options[2] |= BIT_13;
1099
1da177e4 1100 /* Update firmware options. */
e315cd28 1101 qla2x00_set_fw_options(vha, ha->fw_options);
1da177e4
LT		 1102}
1103
0107109e 1104void
e315cd28 1105qla24xx_update_fw_options(scsi_qla_host_t *vha)
0107109e
AV		 1106{
1107 int rval;
e315cd28 1108 struct qla_hw_data *ha = vha->hw;
0107109e
AV		 1109
1110 /* Update Serial Link options. */
f94097ed 1111 if ((le16_to_cpu(ha->fw_seriallink_options24[0]) & BIT_0) == 0)
0107109e
AV		 1112 return;
1113
e315cd28 1114 rval = qla2x00_set_serdes_params(vha,
f94097ed
AV		 1115 le16_to_cpu(ha->fw_seriallink_options24[1]),
1116 le16_to_cpu(ha->fw_seriallink_options24[2]),
1117 le16_to_cpu(ha->fw_seriallink_options24[3]));
0107109e
AV		 1118 if (rval != QLA_SUCCESS) {
1119 qla_printk(KERN_WARNING, ha,
1120 "Unable to update Serial Link options (%x).\n", rval);
1121 }
1122}
1123
abbd8870 1124void
e315cd28 1125qla2x00_config_rings(struct scsi_qla_host *vha)
abbd8870 1126{
e315cd28 1127 struct qla_hw_data *ha = vha->hw;
3d71644c 1128 struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
73208dfd
AC		 1129 struct req_que *req = ha->req_q_map[0];
1130 struct rsp_que *rsp = ha->rsp_q_map[0];
abbd8870
AV		 1131
1132 /* Setup ring parameters in initialization control block. */
1133 ha->init_cb->request_q_outpointer = __constant_cpu_to_le16(0);
1134 ha->init_cb->response_q_inpointer = __constant_cpu_to_le16(0);
e315cd28
AC		 1135 ha->init_cb->request_q_length = cpu_to_le16(req->length);
1136 ha->init_cb->response_q_length = cpu_to_le16(rsp->length);
1137 ha->init_cb->request_q_address[0] = cpu_to_le32(LSD(req->dma));
1138 ha->init_cb->request_q_address[1] = cpu_to_le32(MSD(req->dma));
1139 ha->init_cb->response_q_address[0] = cpu_to_le32(LSD(rsp->dma));
1140 ha->init_cb->response_q_address[1] = cpu_to_le32(MSD(rsp->dma));
abbd8870
AV		 1141
1142 WRT_REG_WORD(ISP_REQ_Q_IN(ha, reg), 0);
1143 WRT_REG_WORD(ISP_REQ_Q_OUT(ha, reg), 0);
1144 WRT_REG_WORD(ISP_RSP_Q_IN(ha, reg), 0);
1145 WRT_REG_WORD(ISP_RSP_Q_OUT(ha, reg), 0);
1146 RD_REG_WORD(ISP_RSP_Q_OUT(ha, reg)); /* PCI Posting. */
1147}
1148
0107109e 1149void
e315cd28 1150qla24xx_config_rings(struct scsi_qla_host *vha)
0107109e 1151{
e315cd28 1152 struct qla_hw_data *ha = vha->hw;
73208dfd
AC		 1153 device_reg_t __iomem *reg = ISP_QUE_REG(ha, 0);
1154 struct device_reg_2xxx __iomem *ioreg = &ha->iobase->isp;
1155 struct qla_msix_entry *msix;
0107109e 1156 struct init_cb_24xx *icb;
73208dfd
AC		 1157 uint16_t rid = 0;
1158 struct req_que *req = ha->req_q_map[0];
1159 struct rsp_que *rsp = ha->rsp_q_map[0];
0107109e 1160
73208dfd 1161/* Setup ring parameters in initialization control block. */
0107109e
AV		 1162 icb = (struct init_cb_24xx *)ha->init_cb;
1163 icb->request_q_outpointer = __constant_cpu_to_le16(0);
1164 icb->response_q_inpointer = __constant_cpu_to_le16(0);
e315cd28
AC		 1165 icb->request_q_length = cpu_to_le16(req->length);
1166 icb->response_q_length = cpu_to_le16(rsp->length);
1167 icb->request_q_address[0] = cpu_to_le32(LSD(req->dma));
1168 icb->request_q_address[1] = cpu_to_le32(MSD(req->dma));
1169 icb->response_q_address[0] = cpu_to_le32(LSD(rsp->dma));
1170 icb->response_q_address[1] = cpu_to_le32(MSD(rsp->dma));
0107109e 1171
73208dfd
AC		 1172 if (ha->mqenable) {
1173 icb->qos = __constant_cpu_to_le16(QLA_DEFAULT_QUE_QOS);
1174 icb->rid = __constant_cpu_to_le16(rid);
1175 if (ha->flags.msix_enabled) {
1176 msix = &ha->msix_entries[1];
1177 DEBUG2_17(printk(KERN_INFO
1178 "Reistering vector 0x%x for base que\n", msix->entry));
1179 icb->msix = cpu_to_le16(msix->entry);
1180 }
1181 /* Use alternate PCI bus number */
1182 if (MSB(rid))
1183 icb->firmware_options_2 |=
1184 __constant_cpu_to_le32(BIT_19);
1185 /* Use alternate PCI devfn */
1186 if (LSB(rid))
1187 icb->firmware_options_2 |=
1188 __constant_cpu_to_le32(BIT_18);
1189
618a7523 1190 icb->firmware_options_2 &= __constant_cpu_to_le32(~BIT_22);
73208dfd 1191 icb->firmware_options_2 |= __constant_cpu_to_le32(BIT_23);
73208dfd
AC		 1192
1193 WRT_REG_DWORD(&reg->isp25mq.req_q_in, 0);
1194 WRT_REG_DWORD(&reg->isp25mq.req_q_out, 0);
1195 WRT_REG_DWORD(&reg->isp25mq.rsp_q_in, 0);
1196 WRT_REG_DWORD(&reg->isp25mq.rsp_q_out, 0);
1197 } else {
1198 WRT_REG_DWORD(&reg->isp24.req_q_in, 0);
1199 WRT_REG_DWORD(&reg->isp24.req_q_out, 0);
1200 WRT_REG_DWORD(&reg->isp24.rsp_q_in, 0);
1201 WRT_REG_DWORD(&reg->isp24.rsp_q_out, 0);
1202 }
1203 /* PCI posting */
1204 RD_REG_DWORD(&ioreg->hccr);
0107109e
AV		 1205}
1206
1da177e4
LT		 1207/**
1208 * qla2x00_init_rings() - Initializes firmware.
1209 * @ha: HA context
1210 *
1211 * Beginning of request ring has initialization control block already built
1212 * by nvram config routine.
1213 *
1214 * Returns 0 on success.
1215 */
1216static int
e315cd28 1217qla2x00_init_rings(scsi_qla_host_t *vha)
1da177e4
LT		 1218{
1219 int rval;
1220 unsigned long flags = 0;
29bdccbe 1221 int cnt, que;
e315cd28 1222 struct qla_hw_data *ha = vha->hw;
29bdccbe
AC		 1223 struct req_que *req;
1224 struct rsp_que *rsp;
1225 struct scsi_qla_host *vp;
2c3dfe3f
SJ		 1226 struct mid_init_cb_24xx *mid_init_cb =
1227 (struct mid_init_cb_24xx *) ha->init_cb;
1da177e4
LT		 1228
1229 spin_lock_irqsave(&ha->hardware_lock, flags);
1230
1231 /* Clear outstanding commands array. */
29bdccbe
AC		 1232 for (que = 0; que < ha->max_queues; que++) {
1233 req = ha->req_q_map[que];
1234 if (!req)
1235 continue;
1236 for (cnt = 0; cnt < MAX_OUTSTANDING_COMMANDS; cnt++)
1237 req->outstanding_cmds[cnt] = NULL;
1da177e4 1238
29bdccbe 1239 req->current_outstanding_cmd = 0;
1da177e4 1240
29bdccbe
AC		 1241 /* Initialize firmware. */
1242 req->ring_ptr = req->ring;
1243 req->ring_index = 0;
1244 req->cnt = req->length;
1245 }
1da177e4 1246
29bdccbe
AC		 1247 for (que = 0; que < ha->max_queues; que++) {
1248 rsp = ha->rsp_q_map[que];
1249 if (!rsp)
1250 continue;
1251 rsp->ring_ptr = rsp->ring;
1252 rsp->ring_index = 0;
1da177e4 1253
29bdccbe
AC		 1254 /* Initialize response queue entries */
1255 qla2x00_init_response_q_entries(rsp);
1256 }
1da177e4 1257
29bdccbe
AC		 1258 /* Clear RSCN queue. */
1259 list_for_each_entry(vp, &ha->vp_list, list) {
1260 vp->rscn_in_ptr = 0;
1261 vp->rscn_out_ptr = 0;
1262 }
e315cd28 1263 ha->isp_ops->config_rings(vha);
1da177e4
LT		 1264
1265 spin_unlock_irqrestore(&ha->hardware_lock, flags);
1266
1267 /* Update any ISP specific firmware options before initialization. */
e315cd28 1268 ha->isp_ops->update_fw_options(vha);
1da177e4 1269
e315cd28 1270 DEBUG(printk("scsi(%ld): Issue init firmware.\n", vha->host_no));
2c3dfe3f 1271
605aa2bc
LC		 1272 if (ha->flags.npiv_supported) {
1273 if (ha->operating_mode == LOOP)
1274 ha->max_npiv_vports = MIN_MULTI_ID_FABRIC - 1;
c48339de 1275 mid_init_cb->count = cpu_to_le16(ha->max_npiv_vports);
605aa2bc
LC		 1276 }
1277
c48339de 1278
eb66dc60 1279 mid_init_cb->options = __constant_cpu_to_le16(BIT_1);
2c3dfe3f 1280
e315cd28 1281 rval = qla2x00_init_firmware(vha, ha->init_cb_size);
1da177e4
LT		 1282 if (rval) {
1283 DEBUG2_3(printk("scsi(%ld): Init firmware **** FAILED ****.\n",
e315cd28 1284 vha->host_no));
1da177e4
LT		 1285 } else {
1286 DEBUG3(printk("scsi(%ld): Init firmware -- success.\n",
e315cd28 1287 vha->host_no));
1da177e4
LT		 1288 }
1289
1290 return (rval);
1291}
1292
1293/**
1294 * qla2x00_fw_ready() - Waits for firmware ready.
1295 * @ha: HA context
1296 *
1297 * Returns 0 on success.
1298 */
1299static int
e315cd28 1300qla2x00_fw_ready(scsi_qla_host_t *vha)
1da177e4
LT		 1301{
1302 int rval;
4d4df193 1303 unsigned long wtime, mtime, cs84xx_time;
1da177e4
LT		 1304 uint16_t min_wait; /* Minimum wait time if loop is down */
1305 uint16_t wait_time; /* Wait time if loop is coming ready */
4d4df193 1306 uint16_t state[3];
e315cd28 1307 struct qla_hw_data *ha = vha->hw;
1da177e4
LT		 1308
1309 rval = QLA_SUCCESS;
1310
1311 /* 20 seconds for loop down. */
fa2a1ce5 1312 min_wait = 20;
1da177e4
LT		 1313
1314 /*
1315 * Firmware should take at most one RATOV to login, plus 5 seconds for
1316 * our own processing.
1317 */
1318 if ((wait_time = (ha->retry_count*ha->login_timeout) + 5) < min_wait) {
1319 wait_time = min_wait;
1320 }
1321
1322 /* Min wait time if loop down */
1323 mtime = jiffies + (min_wait * HZ);
1324
1325 /* wait time before firmware ready */
1326 wtime = jiffies + (wait_time * HZ);
1327
1328 /* Wait for ISP to finish LIP */
e315cd28 1329 if (!vha->flags.init_done)
1da177e4
LT		 1330 qla_printk(KERN_INFO, ha, "Waiting for LIP to complete...\n");
1331
1332 DEBUG3(printk("scsi(%ld): Waiting for LIP to complete...\n",
e315cd28 1333 vha->host_no));
1da177e4
LT		 1334
1335 do {
e315cd28 1336 rval = qla2x00_get_firmware_state(vha, state);
1da177e4 1337 if (rval == QLA_SUCCESS) {
4d4df193 1338 if (state[0] < FSTATE_LOSS_OF_SYNC) {
e315cd28 1339 vha->device_flags &= ~DFLG_NO_CABLE;
1da177e4 1340 }
4d4df193
HK		 1341 if (IS_QLA84XX(ha) && state[0] != FSTATE_READY) {
1342 DEBUG16(printk("scsi(%ld): fw_state=%x "
e315cd28 1343 "84xx=%x.\n", vha->host_no, state[0],
4d4df193
HK		 1344 state[2]));
1345 if ((state[2] & FSTATE_LOGGED_IN) &&
1346 (state[2] & FSTATE_WAITING_FOR_VERIFY)) {
1347 DEBUG16(printk("scsi(%ld): Sending "
e315cd28 1348 "verify iocb.\n", vha->host_no));
4d4df193
HK		 1349
1350 cs84xx_time = jiffies;
e315cd28 1351 rval = qla84xx_init_chip(vha);
4d4df193
HK		 1352 if (rval != QLA_SUCCESS)
1353 break;
1354
1355 /* Add time taken to initialize. */
1356 cs84xx_time = jiffies - cs84xx_time;
1357 wtime += cs84xx_time;
1358 mtime += cs84xx_time;
1359 DEBUG16(printk("scsi(%ld): Increasing "
1360 "wait time by %ld. New time %ld\n",
e315cd28 1361 vha->host_no, cs84xx_time, wtime));
4d4df193
HK		 1362 }
1363 } else if (state[0] == FSTATE_READY) {
1da177e4 1364 DEBUG(printk("scsi(%ld): F/W Ready - OK \n",
e315cd28 1365 vha->host_no));
1da177e4 1366
e315cd28 1367 qla2x00_get_retry_cnt(vha, &ha->retry_count,
1da177e4
LT		 1368 &ha->login_timeout, &ha->r_a_tov);
1369
1370 rval = QLA_SUCCESS;
1371 break;
1372 }
1373
1374 rval = QLA_FUNCTION_FAILED;
1375
e315cd28 1376 if (atomic_read(&vha->loop_down_timer) &&
4d4df193 1377 state[0] != FSTATE_READY) {
1da177e4 1378 /* Loop down. Timeout on min_wait for states
fa2a1ce5
AV		 1379 * other than Wait for Login.
1380 */
1da177e4
LT		 1381 if (time_after_eq(jiffies, mtime)) {
1382 qla_printk(KERN_INFO, ha,
1383 "Cable is unplugged...\n");
1384
e315cd28 1385 vha->device_flags |= DFLG_NO_CABLE;
1da177e4
LT		 1386 break;
1387 }
1388 }
1389 } else {
1390 /* Mailbox cmd failed. Timeout on min_wait. */
1391 if (time_after_eq(jiffies, mtime))
1392 break;
1393 }
1394
1395 if (time_after_eq(jiffies, wtime))
1396 break;
1397
1398 /* Delay for a while */
1399 msleep(500);
1400
1401 DEBUG3(printk("scsi(%ld): fw_state=%x curr time=%lx.\n",
e315cd28 1402 vha->host_no, state[0], jiffies));
1da177e4
LT		 1403 } while (1);
1404
1405 DEBUG(printk("scsi(%ld): fw_state=%x curr time=%lx.\n",
e315cd28 1406 vha->host_no, state[0], jiffies));
1da177e4
LT		 1407
1408 if (rval) {
1409 DEBUG2_3(printk("scsi(%ld): Firmware ready **** FAILED ****.\n",
e315cd28 1410 vha->host_no));
1da177e4
LT		 1411 }
1412
1413 return (rval);
1414}
1415
1416/*
1417* qla2x00_configure_hba
1418* Setup adapter context.
1419*
1420* Input:
1421* ha = adapter state pointer.
1422*
1423* Returns:
1424* 0 = success
1425*
1426* Context:
1427* Kernel context.
1428*/
1429static int
e315cd28 1430qla2x00_configure_hba(scsi_qla_host_t *vha)
1da177e4
LT		 1431{
1432 int rval;
1433 uint16_t loop_id;
1434 uint16_t topo;
2c3dfe3f 1435 uint16_t sw_cap;
1da177e4
LT		 1436 uint8_t al_pa;
1437 uint8_t area;
1438 uint8_t domain;
1439 char connect_type[22];
e315cd28 1440 struct qla_hw_data *ha = vha->hw;
1da177e4
LT		 1441
1442 /* Get host addresses. */
e315cd28 1443 rval = qla2x00_get_adapter_id(vha,
2c3dfe3f 1444 &loop_id, &al_pa, &area, &domain, &topo, &sw_cap);
1da177e4 1445 if (rval != QLA_SUCCESS) {
e315cd28 1446 if (LOOP_TRANSITION(vha) || atomic_read(&ha->loop_down_timer) ||
33135aa2
RA		 1447 (rval == QLA_COMMAND_ERROR && loop_id == 0x7)) {
1448 DEBUG2(printk("%s(%ld) Loop is in a transition state\n",
e315cd28 1449 __func__, vha->host_no));
33135aa2
RA		 1450 } else {
1451 qla_printk(KERN_WARNING, ha,
1452 "ERROR -- Unable to get host loop ID.\n");
e315cd28 1453 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
33135aa2 1454 }
1da177e4
LT		 1455 return (rval);
1456 }
1457
1458 if (topo == 4) {
1459 qla_printk(KERN_INFO, ha,
1460 "Cannot get topology - retrying.\n");
1461 return (QLA_FUNCTION_FAILED);
1462 }
1463
e315cd28 1464 vha->loop_id = loop_id;
1da177e4
LT		 1465
1466 /* initialize */
1467 ha->min_external_loopid = SNS_FIRST_LOOP_ID;
1468 ha->operating_mode = LOOP;
2c3dfe3f 1469 ha->switch_cap = 0;
1da177e4
LT		 1470
1471 switch (topo) {
1472 case 0:
1473 DEBUG3(printk("scsi(%ld): HBA in NL topology.\n",
e315cd28 1474 vha->host_no));
1da177e4
LT		 1475 ha->current_topology = ISP_CFG_NL;
1476 strcpy(connect_type, "(Loop)");
1477 break;
1478
1479 case 1:
1480 DEBUG3(printk("scsi(%ld): HBA in FL topology.\n",
e315cd28 1481 vha->host_no));
2c3dfe3f 1482 ha->switch_cap = sw_cap;
1da177e4
LT		 1483 ha->current_topology = ISP_CFG_FL;
1484 strcpy(connect_type, "(FL_Port)");
1485 break;
1486
1487 case 2:
1488 DEBUG3(printk("scsi(%ld): HBA in N P2P topology.\n",
e315cd28 1489 vha->host_no));
1da177e4
LT		 1490 ha->operating_mode = P2P;
1491 ha->current_topology = ISP_CFG_N;
1492 strcpy(connect_type, "(N_Port-to-N_Port)");
1493 break;
1494
1495 case 3:
1496 DEBUG3(printk("scsi(%ld): HBA in F P2P topology.\n",
e315cd28 1497 vha->host_no));
2c3dfe3f 1498 ha->switch_cap = sw_cap;
1da177e4
LT		 1499 ha->operating_mode = P2P;
1500 ha->current_topology = ISP_CFG_F;
1501 strcpy(connect_type, "(F_Port)");
1502 break;
1503
1504 default:
1505 DEBUG3(printk("scsi(%ld): HBA in unknown topology %x. "
1506 "Using NL.\n",
e315cd28 1507 vha->host_no, topo));
1da177e4
LT		 1508 ha->current_topology = ISP_CFG_NL;
1509 strcpy(connect_type, "(Loop)");
1510 break;
1511 }
1512
1513 /* Save Host port and loop ID. */
1514 /* byte order - Big Endian */
e315cd28
AC		 1515 vha->d_id.b.domain = domain;
1516 vha->d_id.b.area = area;
1517 vha->d_id.b.al_pa = al_pa;
1da177e4 1518
e315cd28 1519 if (!vha->flags.init_done)
1da177e4
LT		 1520 qla_printk(KERN_INFO, ha,
1521 "Topology - %s, Host Loop address 0x%x\n",
e315cd28 1522 connect_type, vha->loop_id);
1da177e4
LT		 1523
1524 if (rval) {
e315cd28 1525 DEBUG2_3(printk("scsi(%ld): FAILED.\n", vha->host_no));
1da177e4 1526 } else {
e315cd28 1527 DEBUG3(printk("scsi(%ld): exiting normally.\n", vha->host_no));
1da177e4
LT		 1528 }
1529
1530 return(rval);
1531}
1532
9bb9fcf2 1533static inline void
e315cd28
AC		 1534qla2x00_set_model_info(scsi_qla_host_t *vha, uint8_t *model, size_t len,
1535 char *def)
9bb9fcf2
AV		 1536{
1537 char *st, *en;
1538 uint16_t index;
e315cd28 1539 struct qla_hw_data *ha = vha->hw;
9bb9fcf2
AV		 1540
1541 if (memcmp(model, BINZERO, len) != 0) {
1542 strncpy(ha->model_number, model, len);
1543 st = en = ha->model_number;
1544 en += len - 1;
1545 while (en > st) {
1546 if (*en != 0x20 && *en != 0x00)
1547 break;
1548 *en-- = '\0';
1549 }
1550
1551 index = (ha->pdev->subsystem_device & 0xff);
1552 if (ha->pdev->subsystem_vendor == PCI_VENDOR_ID_QLOGIC &&
1553 index < QLA_MODEL_NAMES)
1ee27146
JC		 1554 strncpy(ha->model_desc,
1555 qla2x00_model_name[index * 2 + 1],
1556 sizeof(ha->model_desc) - 1);
9bb9fcf2
AV		 1557 } else {
1558 index = (ha->pdev->subsystem_device & 0xff);
1559 if (ha->pdev->subsystem_vendor == PCI_VENDOR_ID_QLOGIC &&
1560 index < QLA_MODEL_NAMES) {
1561 strcpy(ha->model_number,
1562 qla2x00_model_name[index * 2]);
1ee27146
JC		 1563 strncpy(ha->model_desc,
1564 qla2x00_model_name[index * 2 + 1],
1565 sizeof(ha->model_desc) - 1);
9bb9fcf2
AV		 1566 } else {
1567 strcpy(ha->model_number, def);
1568 }
1569 }
1ee27146 1570 if (IS_FWI2_CAPABLE(ha))
e315cd28 1571 qla2xxx_get_vpd_field(vha, "\x82", ha->model_desc,
1ee27146 1572 sizeof(ha->model_desc));
9bb9fcf2
AV		 1573}
1574
4e08df3f
DM		 1575/* On sparc systems, obtain port and node WWN from firmware
1576 * properties.
1577 */
e315cd28 1578static void qla2xxx_nvram_wwn_from_ofw(scsi_qla_host_t *vha, nvram_t *nv)
4e08df3f
DM		 1579{
1580#ifdef CONFIG_SPARC
e315cd28 1581 struct qla_hw_data *ha = vha->hw;
4e08df3f 1582 struct pci_dev *pdev = ha->pdev;
15576bc8
DM		 1583 struct device_node *dp = pci_device_to_OF_node(pdev);
1584 const u8 *val;
4e08df3f
DM		 1585 int len;
1586
1587 val = of_get_property(dp, "port-wwn", &len);
1588 if (val && len >= WWN_SIZE)
1589 memcpy(nv->port_name, val, WWN_SIZE);
1590
1591 val = of_get_property(dp, "node-wwn", &len);
1592 if (val && len >= WWN_SIZE)
1593 memcpy(nv->node_name, val, WWN_SIZE);
1594#endif
1595}
1596
1da177e4
LT		 1597/*
1598* NVRAM configuration for ISP 2xxx
1599*
1600* Input:
1601* ha = adapter block pointer.
1602*
1603* Output:
1604* initialization control block in response_ring
1605* host adapters parameters in host adapter block
1606*
1607* Returns:
1608* 0 = success.
1609*/
abbd8870 1610int
e315cd28 1611qla2x00_nvram_config(scsi_qla_host_t *vha)
1da177e4 1612{
4e08df3f 1613 int rval;
0107109e
AV		 1614 uint8_t chksum = 0;
1615 uint16_t cnt;
1616 uint8_t *dptr1, *dptr2;
e315cd28 1617 struct qla_hw_data *ha = vha->hw;
0107109e 1618 init_cb_t *icb = ha->init_cb;
281afe19
SJ		 1619 nvram_t *nv = ha->nvram;
1620 uint8_t *ptr = ha->nvram;
3d71644c 1621 struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
1da177e4 1622
4e08df3f
DM		 1623 rval = QLA_SUCCESS;
1624
1da177e4 1625 /* Determine NVRAM starting address. */
0107109e 1626 ha->nvram_size = sizeof(nvram_t);
1da177e4
LT		 1627 ha->nvram_base = 0;
1628 if (!IS_QLA2100(ha) && !IS_QLA2200(ha) && !IS_QLA2300(ha))
1629 if ((RD_REG_WORD(&reg->ctrl_status) >> 14) == 1)
1630 ha->nvram_base = 0x80;
1631
1632 /* Get NVRAM data and calculate checksum. */
e315cd28 1633 ha->isp_ops->read_nvram(vha, ptr, ha->nvram_base, ha->nvram_size);
0107109e
AV		 1634 for (cnt = 0, chksum = 0; cnt < ha->nvram_size; cnt++)
1635 chksum += *ptr++;
1da177e4 1636
e315cd28 1637 DEBUG5(printk("scsi(%ld): Contents of NVRAM\n", vha->host_no));
281afe19 1638 DEBUG5(qla2x00_dump_buffer((uint8_t *)nv, ha->nvram_size));
1da177e4
LT		 1639
1640 /* Bad NVRAM data, set defaults parameters. */
1641 if (chksum || nv->id[0] != 'I' || nv->id[1] != 'S' ||
1642 nv->id[2] != 'P' || nv->id[3] != ' ' || nv->nvram_version < 1) {
1643 /* Reset NVRAM data. */
1644 qla_printk(KERN_WARNING, ha, "Inconsistent NVRAM detected: "
1645 "checksum=0x%x id=%c version=0x%x.\n", chksum, nv->id[0],
1646 nv->nvram_version);
4e08df3f
DM		 1647 qla_printk(KERN_WARNING, ha, "Falling back to functioning (yet "
1648 "invalid -- WWPN) defaults.\n");
1649
1650 /*
1651 * Set default initialization control block.
1652 */
1653 memset(nv, 0, ha->nvram_size);
1654 nv->parameter_block_version = ICB_VERSION;
1655
1656 if (IS_QLA23XX(ha)) {
1657 nv->firmware_options[0] = BIT_2 | BIT_1;
1658 nv->firmware_options[1] = BIT_7 | BIT_5;
1659 nv->add_firmware_options[0] = BIT_5;
1660 nv->add_firmware_options[1] = BIT_5 | BIT_4;
1661 nv->frame_payload_size = __constant_cpu_to_le16(2048);
1662 nv->special_options[1] = BIT_7;
1663 } else if (IS_QLA2200(ha)) {
1664 nv->firmware_options[0] = BIT_2 | BIT_1;
1665 nv->firmware_options[1] = BIT_7 | BIT_5;
1666 nv->add_firmware_options[0] = BIT_5;
1667 nv->add_firmware_options[1] = BIT_5 | BIT_4;
1668 nv->frame_payload_size = __constant_cpu_to_le16(1024);
1669 } else if (IS_QLA2100(ha)) {
1670 nv->firmware_options[0] = BIT_3 | BIT_1;
1671 nv->firmware_options[1] = BIT_5;
1672 nv->frame_payload_size = __constant_cpu_to_le16(1024);
1673 }
1674
1675 nv->max_iocb_allocation = __constant_cpu_to_le16(256);
1676 nv->execution_throttle = __constant_cpu_to_le16(16);
1677 nv->retry_count = 8;
1678 nv->retry_delay = 1;
1679
1680 nv->port_name[0] = 33;
1681 nv->port_name[3] = 224;
1682 nv->port_name[4] = 139;
1683
e315cd28 1684 qla2xxx_nvram_wwn_from_ofw(vha, nv);
4e08df3f
DM		 1685
1686 nv->login_timeout = 4;
1687
1688 /*
1689 * Set default host adapter parameters
1690 */
1691 nv->host_p[1] = BIT_2;
1692 nv->reset_delay = 5;
1693 nv->port_down_retry_count = 8;
1694 nv->max_luns_per_target = __constant_cpu_to_le16(8);
1695 nv->link_down_timeout = 60;
1696
1697 rval = 1;
1da177e4
LT		 1698 }
1699
1700#if defined(CONFIG_IA64_GENERIC) || defined(CONFIG_IA64_SGI_SN2)
1701 /*
1702 * The SN2 does not provide BIOS emulation which means you can't change
1703 * potentially bogus BIOS settings. Force the use of default settings
1704 * for link rate and frame size. Hope that the rest of the settings
1705 * are valid.
1706 */
1707 if (ia64_platform_is("sn2")) {
1708 nv->frame_payload_size = __constant_cpu_to_le16(2048);
1709 if (IS_QLA23XX(ha))
1710 nv->special_options[1] = BIT_7;
1711 }
1712#endif
1713
1714 /* Reset Initialization control block */
0107109e 1715 memset(icb, 0, ha->init_cb_size);
1da177e4
LT		 1716
1717 /*
1718 * Setup driver NVRAM options.
1719 */
1720 nv->firmware_options[0] |= (BIT_6 | BIT_1);
1721 nv->firmware_options[0] &= ~(BIT_5 | BIT_4);
1722 nv->firmware_options[1] |= (BIT_5 | BIT_0);
1723 nv->firmware_options[1] &= ~BIT_4;
1724
1725 if (IS_QLA23XX(ha)) {
1726 nv->firmware_options[0] |= BIT_2;
1727 nv->firmware_options[0] &= ~BIT_3;
0107109e 1728 nv->add_firmware_options[1] |= BIT_5 | BIT_4;
1da177e4
LT		 1729
1730 if (IS_QLA2300(ha)) {
1731 if (ha->fb_rev == FPM_2310) {
1732 strcpy(ha->model_number, "QLA2310");
1733 } else {
1734 strcpy(ha->model_number, "QLA2300");
1735 }
1736 } else {
e315cd28 1737 qla2x00_set_model_info(vha, nv->model_number,
9bb9fcf2 1738 sizeof(nv->model_number), "QLA23xx");
1da177e4
LT		 1739 }
1740 } else if (IS_QLA2200(ha)) {
1741 nv->firmware_options[0] |= BIT_2;
1742 /*
1743 * 'Point-to-point preferred, else loop' is not a safe
1744 * connection mode setting.
1745 */
1746 if ((nv->add_firmware_options[0] & (BIT_6 | BIT_5 | BIT_4)) ==
1747 (BIT_5 | BIT_4)) {
1748 /* Force 'loop preferred, else point-to-point'. */
1749 nv->add_firmware_options[0] &= ~(BIT_6 | BIT_5 | BIT_4);
1750 nv->add_firmware_options[0] |= BIT_5;
1751 }
1752 strcpy(ha->model_number, "QLA22xx");
1753 } else /*if (IS_QLA2100(ha))*/ {
1754 strcpy(ha->model_number, "QLA2100");
1755 }
1756
1757 /*
1758 * Copy over NVRAM RISC parameter block to initialization control block.
1759 */
1760 dptr1 = (uint8_t *)icb;
1761 dptr2 = (uint8_t *)&nv->parameter_block_version;
1762 cnt = (uint8_t *)&icb->request_q_outpointer - (uint8_t *)&icb->version;
1763 while (cnt--)
1764 *dptr1++ = *dptr2++;
1765
1766 /* Copy 2nd half. */
1767 dptr1 = (uint8_t *)icb->add_firmware_options;
1768 cnt = (uint8_t *)icb->reserved_3 - (uint8_t *)icb->add_firmware_options;
1769 while (cnt--)
1770 *dptr1++ = *dptr2++;
1771
5341e868
AV		 1772 /* Use alternate WWN? */
1773 if (nv->host_p[1] & BIT_7) {
1774 memcpy(icb->node_name, nv->alternate_node_name, WWN_SIZE);
1775 memcpy(icb->port_name, nv->alternate_port_name, WWN_SIZE);
1776 }
1777
1da177e4
LT		 1778 /* Prepare nodename */
1779 if ((icb->firmware_options[1] & BIT_6) == 0) {
1780 /*
1781 * Firmware will apply the following mask if the nodename was
1782 * not provided.
1783 */
1784 memcpy(icb->node_name, icb->port_name, WWN_SIZE);
1785 icb->node_name[0] &= 0xF0;
1786 }
1787
1788 /*
1789 * Set host adapter parameters.
1790 */
0181944f 1791 if (nv->host_p[0] & BIT_7)
11010fec 1792 ql2xextended_error_logging = 1;
1da177e4
LT		 1793 ha->flags.disable_risc_code_load = ((nv->host_p[0] & BIT_4) ? 1 : 0);
1794 /* Always load RISC code on non ISP2[12]00 chips. */
1795 if (!IS_QLA2100(ha) && !IS_QLA2200(ha))
1796 ha->flags.disable_risc_code_load = 0;
1797 ha->flags.enable_lip_reset = ((nv->host_p[1] & BIT_1) ? 1 : 0);
1798 ha->flags.enable_lip_full_login = ((nv->host_p[1] & BIT_2) ? 1 : 0);
1799 ha->flags.enable_target_reset = ((nv->host_p[1] & BIT_3) ? 1 : 0);
06c22bd1 1800 ha->flags.enable_led_scheme = (nv->special_options[1] & BIT_4) ? 1 : 0;
d4c760c2 1801 ha->flags.disable_serdes = 0;
1da177e4
LT		 1802
1803 ha->operating_mode =
1804 (icb->add_firmware_options[0] & (BIT_6 | BIT_5 | BIT_4)) >> 4;
1805
1806 memcpy(ha->fw_seriallink_options, nv->seriallink_options,
1807 sizeof(ha->fw_seriallink_options));
1808
1809 /* save HBA serial number */
1810 ha->serial0 = icb->port_name[5];
1811 ha->serial1 = icb->port_name[6];
1812 ha->serial2 = icb->port_name[7];
e315cd28
AC		 1813 memcpy(vha->node_name, icb->node_name, WWN_SIZE);
1814 memcpy(vha->port_name, icb->port_name, WWN_SIZE);
1da177e4
LT		 1815
1816 icb->execution_throttle = __constant_cpu_to_le16(0xFFFF);
1817
1818 ha->retry_count = nv->retry_count;
1819
1820 /* Set minimum login_timeout to 4 seconds. */
1821 if (nv->login_timeout < ql2xlogintimeout)
1822 nv->login_timeout = ql2xlogintimeout;
1823 if (nv->login_timeout < 4)
1824 nv->login_timeout = 4;
1825 ha->login_timeout = nv->login_timeout;
1826 icb->login_timeout = nv->login_timeout;
1827
00a537b8
AV		 1828 /* Set minimum RATOV to 100 tenths of a second. */
1829 ha->r_a_tov = 100;
1da177e4 1830
1da177e4
LT		 1831 ha->loop_reset_delay = nv->reset_delay;
1832
1da177e4
LT		 1833 /* Link Down Timeout = 0:
1834 *
1835 * When Port Down timer expires we will start returning
1836 * I/O's to OS with "DID_NO_CONNECT".
1837 *
1838 * Link Down Timeout != 0:
1839 *
1840 * The driver waits for the link to come up after link down
1841 * before returning I/Os to OS with "DID_NO_CONNECT".
fa2a1ce5 1842 */
1da177e4
LT		 1843 if (nv->link_down_timeout == 0) {
1844 ha->loop_down_abort_time =
354d6b21 1845 (LOOP_DOWN_TIME - LOOP_DOWN_TIMEOUT);
1da177e4
LT		 1846 } else {
1847 ha->link_down_timeout = nv->link_down_timeout;
1848 ha->loop_down_abort_time =
1849 (LOOP_DOWN_TIME - ha->link_down_timeout);
fa2a1ce5 1850 }
1da177e4 1851
1da177e4
LT		 1852 /*
1853 * Need enough time to try and get the port back.
1854 */
1855 ha->port_down_retry_count = nv->port_down_retry_count;
1856 if (qlport_down_retry)
1857 ha->port_down_retry_count = qlport_down_retry;
1858 /* Set login_retry_count */
1859 ha->login_retry_count = nv->retry_count;
1860 if (ha->port_down_retry_count == nv->port_down_retry_count &&
1861 ha->port_down_retry_count > 3)
1862 ha->login_retry_count = ha->port_down_retry_count;
1863 else if (ha->port_down_retry_count > (int)ha->login_retry_count)
1864 ha->login_retry_count = ha->port_down_retry_count;
1865 if (ql2xloginretrycount)
1866 ha->login_retry_count = ql2xloginretrycount;
1867
1da177e4
LT		 1868 icb->lun_enables = __constant_cpu_to_le16(0);
1869 icb->command_resource_count = 0;
1870 icb->immediate_notify_resource_count = 0;
1871 icb->timeout = __constant_cpu_to_le16(0);
1872
1873 if (IS_QLA2100(ha) || IS_QLA2200(ha)) {
1874 /* Enable RIO */
1875 icb->firmware_options[0] &= ~BIT_3;
1876 icb->add_firmware_options[0] &=
1877 ~(BIT_3 | BIT_2 | BIT_1 | BIT_0);
1878 icb->add_firmware_options[0] |= BIT_2;
1879 icb->response_accumulation_timer = 3;
1880 icb->interrupt_delay_timer = 5;
1881
e315cd28 1882 vha->flags.process_response_queue = 1;
1da177e4 1883 } else {
4fdfefe5 1884 /* Enable ZIO. */
e315cd28 1885 if (!vha->flags.init_done) {
4fdfefe5
AV		 1886 ha->zio_mode = icb->add_firmware_options[0] &
1887 (BIT_3 | BIT_2 | BIT_1 | BIT_0);
1888 ha->zio_timer = icb->interrupt_delay_timer ?
1889 icb->interrupt_delay_timer: 2;
1890 }
1da177e4
LT		 1891 icb->add_firmware_options[0] &=
1892 ~(BIT_3 | BIT_2 | BIT_1 | BIT_0);
e315cd28 1893 vha->flags.process_response_queue = 0;
4fdfefe5 1894 if (ha->zio_mode != QLA_ZIO_DISABLED) {
4a59f71d
AV		 1895 ha->zio_mode = QLA_ZIO_MODE_6;
1896
4fdfefe5 1897 DEBUG2(printk("scsi(%ld): ZIO mode %d enabled; timer "
e315cd28 1898 "delay (%d us).\n", vha->host_no, ha->zio_mode,
4fdfefe5 1899 ha->zio_timer * 100));
1da177e4 1900 qla_printk(KERN_INFO, ha,
4fdfefe5
AV		 1901 "ZIO mode %d enabled; timer delay (%d us).\n",
1902 ha->zio_mode, ha->zio_timer * 100);
1da177e4 1903
4fdfefe5
AV		 1904 icb->add_firmware_options[0] |= (uint8_t)ha->zio_mode;
1905 icb->interrupt_delay_timer = (uint8_t)ha->zio_timer;
e315cd28 1906 vha->flags.process_response_queue = 1;
1da177e4
LT		 1907 }
1908 }
1909
4e08df3f
DM		 1910 if (rval) {
1911 DEBUG2_3(printk(KERN_WARNING
e315cd28 1912 "scsi(%ld): NVRAM configuration failed!\n", vha->host_no));
4e08df3f
DM		 1913 }
1914 return (rval);
1da177e4
LT		 1915}
1916
19a7b4ae
JSEC		 1917static void
1918qla2x00_rport_del(void *data)
1919{
1920 fc_port_t *fcport = data;
d97994dc 1921 struct fc_rport *rport;
d97994dc 1922
e315cd28 1923 spin_lock_irq(fcport->vha->host->host_lock);
d97994dc
AV		 1924 rport = fcport->drport;
1925 fcport->drport = NULL;
e315cd28 1926 spin_unlock_irq(fcport->vha->host->host_lock);
d97994dc
AV		 1927 if (rport)
1928 fc_remote_port_delete(rport);
19a7b4ae
JSEC		 1929}
1930
1da177e4
LT		 1931/**
1932 * qla2x00_alloc_fcport() - Allocate a generic fcport.
1933 * @ha: HA context
1934 * @flags: allocation flags
1935 *
1936 * Returns a pointer to the allocated fcport, or NULL, if none available.
1937 */
413975a0 1938static fc_port_t *
e315cd28 1939qla2x00_alloc_fcport(scsi_qla_host_t *vha, gfp_t flags)
1da177e4
LT		 1940{
1941 fc_port_t *fcport;
1942
bbfbbbc1
MK		 1943 fcport = kzalloc(sizeof(fc_port_t), flags);
1944 if (!fcport)
1945 return NULL;
1da177e4
LT		 1946
1947 /* Setup fcport template structure. */
e315cd28
AC		 1948 fcport->vha = vha;
1949 fcport->vp_idx = vha->vp_idx;
1da177e4
LT		 1950 fcport->port_type = FCT_UNKNOWN;
1951 fcport->loop_id = FC_NO_LOOP_ID;
1da177e4 1952 atomic_set(&fcport->state, FCS_UNCONFIGURED);
ad3e0eda 1953 fcport->supported_classes = FC_COS_UNSPECIFIED;
1da177e4 1954
bbfbbbc1 1955 return fcport;
1da177e4
LT		 1956}
1957
1958/*
1959 * qla2x00_configure_loop
1960 * Updates Fibre Channel Device Database with what is actually on loop.
1961 *
1962 * Input:
1963 * ha = adapter block pointer.
1964 *
1965 * Returns:
1966 * 0 = success.
1967 * 1 = error.
1968 * 2 = database was full and device was not configured.
1969 */
1970static int
e315cd28 1971qla2x00_configure_loop(scsi_qla_host_t *vha)
1da177e4
LT		 1972{
1973 int rval;
1974 unsigned long flags, save_flags;
e315cd28 1975 struct qla_hw_data *ha = vha->hw;
1da177e4
LT		 1976 rval = QLA_SUCCESS;
1977
1978 /* Get Initiator ID */
e315cd28
AC		 1979 if (test_bit(LOCAL_LOOP_UPDATE, &vha->dpc_flags)) {
1980 rval = qla2x00_configure_hba(vha);
1da177e4
LT		 1981 if (rval != QLA_SUCCESS) {
1982 DEBUG(printk("scsi(%ld): Unable to configure HBA.\n",
e315cd28 1983 vha->host_no));
1da177e4
LT		 1984 return (rval);
1985 }
1986 }
1987
e315cd28 1988 save_flags = flags = vha->dpc_flags;
1da177e4 1989 DEBUG(printk("scsi(%ld): Configure loop -- dpc flags =0x%lx\n",
e315cd28 1990 vha->host_no, flags));
1da177e4
LT		 1991
1992 /*
1993 * If we have both an RSCN and PORT UPDATE pending then handle them
1994 * both at the same time.
1995 */
e315cd28
AC		 1996 clear_bit(LOCAL_LOOP_UPDATE, &vha->dpc_flags);
1997 clear_bit(RSCN_UPDATE, &vha->dpc_flags);
1da177e4
LT		 1998
1999 /* Determine what we need to do */
2000 if (ha->current_topology == ISP_CFG_FL &&
2001 (test_bit(LOCAL_LOOP_UPDATE, &flags))) {
2002
e315cd28 2003 vha->flags.rscn_queue_overflow = 1;
1da177e4
LT		 2004 set_bit(RSCN_UPDATE, &flags);
2005
2006 } else if (ha->current_topology == ISP_CFG_F &&
2007 (test_bit(LOCAL_LOOP_UPDATE, &flags))) {
2008
e315cd28 2009 vha->flags.rscn_queue_overflow = 1;
1da177e4
LT		 2010 set_bit(RSCN_UPDATE, &flags);
2011 clear_bit(LOCAL_LOOP_UPDATE, &flags);
21333b48
AV		 2012
2013 } else if (ha->current_topology == ISP_CFG_N) {
2014 clear_bit(RSCN_UPDATE, &flags);
1da177e4 2015
e315cd28 2016 } else if (!vha->flags.online ||
1da177e4
LT		 2017 (test_bit(ABORT_ISP_ACTIVE, &flags))) {
2018
e315cd28 2019 vha->flags.rscn_queue_overflow = 1;
1da177e4
LT		 2020 set_bit(RSCN_UPDATE, &flags);
2021 set_bit(LOCAL_LOOP_UPDATE, &flags);
2022 }
2023
2024 if (test_bit(LOCAL_LOOP_UPDATE, &flags)) {
e315cd28 2025 if (test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags))
1da177e4 2026 rval = QLA_FUNCTION_FAILED;
e315cd28
AC		 2027 else
2028 rval = qla2x00_configure_local_loop(vha);
1da177e4
LT		 2029 }
2030
2031 if (rval == QLA_SUCCESS && test_bit(RSCN_UPDATE, &flags)) {
e315cd28 2032 if (LOOP_TRANSITION(vha))
1da177e4 2033 rval = QLA_FUNCTION_FAILED;
e315cd28
AC		 2034 else
2035 rval = qla2x00_configure_fabric(vha);
1da177e4
LT		 2036 }
2037
2038 if (rval == QLA_SUCCESS) {
e315cd28
AC		 2039 if (atomic_read(&vha->loop_down_timer) ||
2040 test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags)) {
1da177e4
LT		 2041 rval = QLA_FUNCTION_FAILED;
2042 } else {
e315cd28 2043 atomic_set(&vha->loop_state, LOOP_READY);
1da177e4 2044
e315cd28 2045 DEBUG(printk("scsi(%ld): LOOP READY\n", vha->host_no));
1da177e4
LT		 2046 }
2047 }
2048
2049 if (rval) {
2050 DEBUG2_3(printk("%s(%ld): *** FAILED ***\n",
e315cd28 2051 __func__, vha->host_no));
1da177e4
LT		 2052 } else {
2053 DEBUG3(printk("%s: exiting normally\n", __func__));
2054 }
2055
cc3ef7bc 2056 /* Restore state if a resync event occurred during processing */
e315cd28 2057 if (test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags)) {
1da177e4 2058 if (test_bit(LOCAL_LOOP_UPDATE, &save_flags))
e315cd28 2059 set_bit(LOCAL_LOOP_UPDATE, &vha->dpc_flags);
73208dfd 2060 if (test_bit(RSCN_UPDATE, &save_flags))
e315cd28 2061 set_bit(RSCN_UPDATE, &vha->dpc_flags);
1da177e4
LT		 2062 }
2063
2064 return (rval);
2065}
2066
2067
2068
2069/*
2070 * qla2x00_configure_local_loop
2071 * Updates Fibre Channel Device Database with local loop devices.
2072 *
2073 * Input:
2074 * ha = adapter block pointer.
2075 *
2076 * Returns:
2077 * 0 = success.
2078 */
2079static int
e315cd28 2080qla2x00_configure_local_loop(scsi_qla_host_t *vha)
1da177e4
LT		 2081{
2082 int rval, rval2;
2083 int found_devs;
2084 int found;
2085 fc_port_t *fcport, *new_fcport;
2086
2087 uint16_t index;
2088 uint16_t entries;
2089 char *id_iter;
2090 uint16_t loop_id;
2091 uint8_t domain, area, al_pa;
e315cd28 2092 struct qla_hw_data *ha = vha->hw;
1da177e4
LT		 2093
2094 found_devs = 0;
2095 new_fcport = NULL;
2096 entries = MAX_FIBRE_DEVICES;
2097
e315cd28
AC		 2098 DEBUG3(printk("scsi(%ld): Getting FCAL position map\n", vha->host_no));
2099 DEBUG3(qla2x00_get_fcal_position_map(vha, NULL));
1da177e4
LT		 2100
2101 /* Get list of logged in devices. */
2102 memset(ha->gid_list, 0, GID_LIST_SIZE);
e315cd28 2103 rval = qla2x00_get_id_list(vha, ha->gid_list, ha->gid_list_dma,
1da177e4
LT		 2104 &entries);
2105 if (rval != QLA_SUCCESS)
2106 goto cleanup_allocation;
2107
2108 DEBUG3(printk("scsi(%ld): Entries in ID list (%d)\n",
2109 ha->host_no, entries));
2110 DEBUG3(qla2x00_dump_buffer((uint8_t *)ha->gid_list,
2111 entries * sizeof(struct gid_list_info)));
2112
2113 /* Allocate temporary fcport for any new fcports discovered. */
e315cd28 2114 new_fcport = qla2x00_alloc_fcport(vha, GFP_KERNEL);
1da177e4
LT		 2115 if (new_fcport == NULL) {
2116 rval = QLA_MEMORY_ALLOC_FAILED;
2117 goto cleanup_allocation;
2118 }
2119 new_fcport->flags &= ~FCF_FABRIC_DEVICE;
2120
2121 /*
2122 * Mark local devices that were present with FCF_DEVICE_LOST for now.
2123 */
e315cd28 2124 list_for_each_entry(fcport, &vha->vp_fcports, list) {
1da177e4
LT		 2125 if (atomic_read(&fcport->state) == FCS_ONLINE &&
2126 fcport->port_type != FCT_BROADCAST &&
2127 (fcport->flags & FCF_FABRIC_DEVICE) == 0) {
2128
2129 DEBUG(printk("scsi(%ld): Marking port lost, "
2130 "loop_id=0x%04x\n",
e315cd28 2131 vha->host_no, fcport->loop_id));
1da177e4
LT		 2132
2133 atomic_set(&fcport->state, FCS_DEVICE_LOST);
1da177e4
LT		 2134 }
2135 }
2136
2137 /* Add devices to port list. */
2138 id_iter = (char *)ha->gid_list;
2139 for (index = 0; index < entries; index++) {
2140 domain = ((struct gid_list_info *)id_iter)->domain;
2141 area = ((struct gid_list_info *)id_iter)->area;
2142 al_pa = ((struct gid_list_info *)id_iter)->al_pa;
abbd8870 2143 if (IS_QLA2100(ha) || IS_QLA2200(ha))
1da177e4
LT		 2144 loop_id = (uint16_t)
2145 ((struct gid_list_info *)id_iter)->loop_id_2100;
abbd8870 2146 else
1da177e4
LT		 2147 loop_id = le16_to_cpu(
2148 ((struct gid_list_info *)id_iter)->loop_id);
abbd8870 2149 id_iter += ha->gid_list_info_size;
1da177e4
LT		 2150
2151 /* Bypass reserved domain fields. */
2152 if ((domain & 0xf0) == 0xf0)
2153 continue;
2154
2155 /* Bypass if not same domain and area of adapter. */
f7d289f6 2156 if (area && domain &&
e315cd28 2157 (area != vha->d_id.b.area || domain != vha->d_id.b.domain))
1da177e4
LT		 2158 continue;
2159
2160 /* Bypass invalid local loop ID. */
2161 if (loop_id > LAST_LOCAL_LOOP_ID)
2162 continue;
2163
2164 /* Fill in member data. */
2165 new_fcport->d_id.b.domain = domain;
2166 new_fcport->d_id.b.area = area;
2167 new_fcport->d_id.b.al_pa = al_pa;
2168 new_fcport->loop_id = loop_id;
e315cd28
AC		 2169 new_fcport->vp_idx = vha->vp_idx;
2170 rval2 = qla2x00_get_port_database(vha, new_fcport, 0);
1da177e4
LT		 2171 if (rval2 != QLA_SUCCESS) {
2172 DEBUG2(printk("scsi(%ld): Failed to retrieve fcport "
2173 "information -- get_port_database=%x, "
2174 "loop_id=0x%04x\n",
e315cd28 2175 vha->host_no, rval2, new_fcport->loop_id));
c9d02acf 2176 DEBUG2(printk("scsi(%ld): Scheduling resync...\n",
e315cd28
AC		 2177 vha->host_no));
2178 set_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags);
1da177e4
LT		 2179 continue;
2180 }
2181
2182 /* Check for matching device in port list. */
2183 found = 0;
2184 fcport = NULL;
e315cd28 2185 list_for_each_entry(fcport, &vha->vp_fcports, list) {
1da177e4
LT		 2186 if (memcmp(new_fcport->port_name, fcport->port_name,
2187 WWN_SIZE))
2188 continue;
2189
ddb9b126 2190 fcport->flags &= ~FCF_FABRIC_DEVICE;
1da177e4
LT		 2191 fcport->loop_id = new_fcport->loop_id;
2192 fcport->port_type = new_fcport->port_type;
2193 fcport->d_id.b24 = new_fcport->d_id.b24;
2194 memcpy(fcport->node_name, new_fcport->node_name,
2195 WWN_SIZE);
2196
2197 found++;
2198 break;
2199 }
2200
2201 if (!found) {
2202 /* New device, add to fcports list. */
e315cd28
AC		 2203 if (vha->vp_idx) {
2204 new_fcport->vha = vha;
2205 new_fcport->vp_idx = vha->vp_idx;
2c3dfe3f 2206 }
e315cd28 2207 list_add_tail(&new_fcport->list, &vha->vp_fcports);
1da177e4
LT		 2208
2209 /* Allocate a new replacement fcport. */
2210 fcport = new_fcport;
e315cd28 2211 new_fcport = qla2x00_alloc_fcport(vha, GFP_KERNEL);
1da177e4
LT		 2212 if (new_fcport == NULL) {
2213 rval = QLA_MEMORY_ALLOC_FAILED;
2214 goto cleanup_allocation;
2215 }
2216 new_fcport->flags &= ~FCF_FABRIC_DEVICE;
2217 }
2218
d8b45213 2219 /* Base iIDMA settings on HBA port speed. */
a3cbdfad 2220 fcport->fp_speed = ha->link_data_rate;
d8b45213 2221
e315cd28 2222 qla2x00_update_fcport(vha, fcport);
1da177e4
LT		 2223
2224 found_devs++;
2225 }
2226
2227cleanup_allocation:
c9475cb0 2228 kfree(new_fcport);
1da177e4
LT		 2229
2230 if (rval != QLA_SUCCESS) {
2231 DEBUG2(printk("scsi(%ld): Configure local loop error exit: "
e315cd28 2232 "rval=%x\n", vha->host_no, rval));
1da177e4
LT		 2233 }
2234
1da177e4
LT		 2235 return (rval);
2236}
2237
d8b45213 2238static void
e315cd28 2239qla2x00_iidma_fcport(scsi_qla_host_t *vha, fc_port_t *fcport)
d8b45213
AV		 2240{
2241#define LS_UNKNOWN 2
a3cbdfad 2242 static char *link_speeds[5] = { "1", "2", "?", "4", "8" };
d8b45213 2243 int rval;
a3cbdfad 2244 uint16_t mb[6];
e315cd28 2245 struct qla_hw_data *ha = vha->hw;
d8b45213 2246
c76f2c01 2247 if (!IS_IIDMA_CAPABLE(ha))
d8b45213
AV		 2248 return;
2249
39bd9622
AV		 2250 if (fcport->fp_speed == PORT_SPEED_UNKNOWN ||
2251 fcport->fp_speed > ha->link_data_rate)
d8b45213
AV		 2252 return;
2253
e315cd28 2254 rval = qla2x00_set_idma_speed(vha, fcport->loop_id, fcport->fp_speed,
a3cbdfad 2255 mb);
d8b45213
AV		 2256 if (rval != QLA_SUCCESS) {
2257 DEBUG2(printk("scsi(%ld): Unable to adjust iIDMA "
2258 "%02x%02x%02x%02x%02x%02x%02x%02x -- %04x %x %04x %04x.\n",
e315cd28 2259 vha->host_no, fcport->port_name[0], fcport->port_name[1],
d8b45213
AV		 2260 fcport->port_name[2], fcport->port_name[3],
2261 fcport->port_name[4], fcport->port_name[5],
2262 fcport->port_name[6], fcport->port_name[7], rval,
a3cbdfad 2263 fcport->fp_speed, mb[0], mb[1]));
d8b45213
AV		 2264 } else {
2265 DEBUG2(qla_printk(KERN_INFO, ha,
2266 "iIDMA adjusted to %s GB/s on "
2267 "%02x%02x%02x%02x%02x%02x%02x%02x.\n",
a3cbdfad 2268 link_speeds[fcport->fp_speed], fcport->port_name[0],
d8b45213
AV		 2269 fcport->port_name[1], fcport->port_name[2],
2270 fcport->port_name[3], fcport->port_name[4],
2271 fcport->port_name[5], fcport->port_name[6],
2272 fcport->port_name[7]));
2273 }
2274}
2275
23be331d 2276static void
e315cd28 2277qla2x00_reg_remote_port(scsi_qla_host_t *vha, fc_port_t *fcport)
8482e118
AV		 2278{
2279 struct fc_rport_identifiers rport_ids;
bdf79621 2280 struct fc_rport *rport;
e315cd28 2281 struct qla_hw_data *ha = vha->hw;
8482e118 2282
d97994dc
AV		 2283 if (fcport->drport)
2284 qla2x00_rport_del(fcport);
8482e118 2285
f8b02a85
AV		 2286 rport_ids.node_name = wwn_to_u64(fcport->node_name);
2287 rport_ids.port_name = wwn_to_u64(fcport->port_name);
8482e118
AV		 2288 rport_ids.port_id = fcport->d_id.b.domain << 16 |
2289 fcport->d_id.b.area << 8 | fcport->d_id.b.al_pa;
77d74143 2290 rport_ids.roles = FC_RPORT_ROLE_UNKNOWN;
e315cd28 2291 fcport->rport = rport = fc_remote_port_add(vha->host, 0, &rport_ids);
77d74143
AV		 2292 if (!rport) {
2293 qla_printk(KERN_WARNING, ha,
2294 "Unable to allocate fc remote port!\n");
2295 return;
2296 }
e315cd28 2297 spin_lock_irq(fcport->vha->host->host_lock);
19a7b4ae 2298 *((fc_port_t **)rport->dd_data) = fcport;
e315cd28 2299 spin_unlock_irq(fcport->vha->host->host_lock);
d97994dc 2300
ad3e0eda 2301 rport->supported_classes = fcport->supported_classes;
77d74143 2302
8482e118
AV		 2303 rport_ids.roles = FC_RPORT_ROLE_UNKNOWN;
2304 if (fcport->port_type == FCT_INITIATOR)
2305 rport_ids.roles |= FC_RPORT_ROLE_FCP_INITIATOR;
2306 if (fcport->port_type == FCT_TARGET)
2307 rport_ids.roles |= FC_RPORT_ROLE_FCP_TARGET;
77d74143 2308 fc_remote_port_rolechg(rport, rport_ids.roles);
1da177e4
LT		 2309}
2310
23be331d
AB		 2311/*
2312 * qla2x00_update_fcport
2313 * Updates device on list.
2314 *
2315 * Input:
2316 * ha = adapter block pointer.
2317 * fcport = port structure pointer.
2318 *
2319 * Return:
2320 * 0 - Success
2321 * BIT_0 - error
2322 *
2323 * Context:
2324 * Kernel context.
2325 */
2326void
e315cd28 2327qla2x00_update_fcport(scsi_qla_host_t *vha, fc_port_t *fcport)
23be331d 2328{
e315cd28 2329 struct qla_hw_data *ha = vha->hw;
2c3dfe3f 2330
e315cd28 2331 fcport->vha = vha;
23be331d 2332 fcport->login_retry = 0;
e315cd28 2333 fcport->port_login_retry_count = ha->port_down_retry_count *
23be331d 2334 PORT_RETRY_TIME;
e315cd28 2335 atomic_set(&fcport->port_down_timer, ha->port_down_retry_count *
23be331d
AB		 2336 PORT_RETRY_TIME);
2337 fcport->flags &= ~FCF_LOGIN_NEEDED;
2338
e315cd28 2339 qla2x00_iidma_fcport(vha, fcport);
23be331d
AB		 2340
2341 atomic_set(&fcport->state, FCS_ONLINE);
2342
e315cd28 2343 qla2x00_reg_remote_port(vha, fcport);
23be331d
AB		 2344}
2345
1da177e4
LT		 2346/*
2347 * qla2x00_configure_fabric
2348 * Setup SNS devices with loop ID's.
2349 *
2350 * Input:
2351 * ha = adapter block pointer.
2352 *
2353 * Returns:
2354 * 0 = success.
2355 * BIT_0 = error
2356 */
2357static int
e315cd28 2358qla2x00_configure_fabric(scsi_qla_host_t *vha)
1da177e4
LT		 2359{
2360 int rval, rval2;
2361 fc_port_t *fcport, *fcptemp;
2362 uint16_t next_loopid;
2363 uint16_t mb[MAILBOX_REGISTER_COUNT];
0107109e 2364 uint16_t loop_id;
1da177e4 2365 LIST_HEAD(new_fcports);
e315cd28
AC		 2366 struct qla_hw_data *ha = vha->hw;
2367 struct scsi_qla_host *base_vha = pci_get_drvdata(ha->pdev);
1da177e4
LT		 2368
2369 /* If FL port exists, then SNS is present */
e428924c 2370 if (IS_FWI2_CAPABLE(ha))
0107109e
AV		 2371 loop_id = NPH_F_PORT;
2372 else
2373 loop_id = SNS_FL_PORT;
e315cd28 2374 rval = qla2x00_get_port_name(vha, loop_id, vha->fabric_node_name, 1);
1da177e4
LT		 2375 if (rval != QLA_SUCCESS) {
2376 DEBUG2(printk("scsi(%ld): MBC_GET_PORT_NAME Failed, No FL "
e315cd28 2377 "Port\n", vha->host_no));
1da177e4 2378
e315cd28 2379 vha->device_flags &= ~SWITCH_FOUND;
1da177e4
LT		 2380 return (QLA_SUCCESS);
2381 }
e315cd28 2382 vha->device_flags |= SWITCH_FOUND;
1da177e4
LT		 2383
2384 /* Mark devices that need re-synchronization. */
e315cd28 2385 rval2 = qla2x00_device_resync(vha);
1da177e4
LT		 2386 if (rval2 == QLA_RSCNS_HANDLED) {
2387 /* No point doing the scan, just continue. */
2388 return (QLA_SUCCESS);
2389 }
2390 do {
cca5335c
AV		 2391 /* FDMI support. */
2392 if (ql2xfdmienable &&
e315cd28
AC		 2393 test_and_clear_bit(REGISTER_FDMI_NEEDED, &vha->dpc_flags))
2394 qla2x00_fdmi_register(vha);
cca5335c 2395
1da177e4 2396 /* Ensure we are logged into the SNS. */
e428924c 2397 if (IS_FWI2_CAPABLE(ha))
0107109e
AV		 2398 loop_id = NPH_SNS;
2399 else
2400 loop_id = SIMPLE_NAME_SERVER;
e315cd28 2401 ha->isp_ops->fabric_login(vha, loop_id, 0xff, 0xff,
abbd8870 2402 0xfc, mb, BIT_1 | BIT_0);
1da177e4
LT		 2403 if (mb[0] != MBS_COMMAND_COMPLETE) {
2404 DEBUG2(qla_printk(KERN_INFO, ha,
2405 "Failed SNS login: loop_id=%x mb[0]=%x mb[1]=%x "
0107109e 2406 "mb[2]=%x mb[6]=%x mb[7]=%x\n", loop_id,
1da177e4
LT		 2407 mb[0], mb[1], mb[2], mb[6], mb[7]));
2408 return (QLA_SUCCESS);
2409 }
2410
e315cd28
AC		 2411 if (test_and_clear_bit(REGISTER_FC4_NEEDED, &vha->dpc_flags)) {
2412 if (qla2x00_rft_id(vha)) {
1da177e4
LT		 2413 /* EMPTY */
2414 DEBUG2(printk("scsi(%ld): Register FC-4 "
e315cd28 2415 "TYPE failed.\n", vha->host_no));
1da177e4 2416 }
e315cd28 2417 if (qla2x00_rff_id(vha)) {
1da177e4
LT		 2418 /* EMPTY */
2419 DEBUG2(printk("scsi(%ld): Register FC-4 "
e315cd28 2420 "Features failed.\n", vha->host_no));
1da177e4 2421 }
e315cd28 2422 if (qla2x00_rnn_id(vha)) {
1da177e4
LT		 2423 /* EMPTY */
2424 DEBUG2(printk("scsi(%ld): Register Node Name "
e315cd28
AC		 2425 "failed.\n", vha->host_no));
2426 } else if (qla2x00_rsnn_nn(vha)) {
1da177e4
LT		 2427 /* EMPTY */
2428 DEBUG2(printk("scsi(%ld): Register Symbolic "
e315cd28 2429 "Node Name failed.\n", vha->host_no));
1da177e4
LT		 2430 }
2431 }
2432
e315cd28 2433 rval = qla2x00_find_all_fabric_devs(vha, &new_fcports);
1da177e4
LT		 2434 if (rval != QLA_SUCCESS)
2435 break;
2436
2437 /*
2438 * Logout all previous fabric devices marked lost, except
2439 * tape devices.
2440 */
e315cd28
AC		 2441 list_for_each_entry(fcport, &vha->vp_fcports, list) {
2442 if (test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags))
1da177e4
LT		 2443 break;
2444
2445 if ((fcport->flags & FCF_FABRIC_DEVICE) == 0)
2446 continue;
2447
2448 if (atomic_read(&fcport->state) == FCS_DEVICE_LOST) {
e315cd28 2449 qla2x00_mark_device_lost(vha, fcport,
d97994dc 2450 ql2xplogiabsentdevice, 0);
1da177e4
LT		 2451 if (fcport->loop_id != FC_NO_LOOP_ID &&
2452 (fcport->flags & FCF_TAPE_PRESENT) == 0 &&
2453 fcport->port_type != FCT_INITIATOR &&
2454 fcport->port_type != FCT_BROADCAST) {
e315cd28 2455 ha->isp_ops->fabric_logout(vha,
1c7c6357
AV		 2456 fcport->loop_id,
2457 fcport->d_id.b.domain,
2458 fcport->d_id.b.area,
2459 fcport->d_id.b.al_pa);
1da177e4
LT		 2460 fcport->loop_id = FC_NO_LOOP_ID;
2461 }
2462 }
2463 }
2464
2465 /* Starting free loop ID. */
e315cd28 2466 next_loopid = ha->min_external_loopid;
1da177e4
LT		 2467
2468 /*
2469 * Scan through our port list and login entries that need to be
2470 * logged in.
2471 */
e315cd28
AC		 2472 list_for_each_entry(fcport, &vha->vp_fcports, list) {
2473 if (atomic_read(&vha->loop_down_timer) ||
2474 test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags))
1da177e4
LT		 2475 break;
2476
2477 if ((fcport->flags & FCF_FABRIC_DEVICE) == 0 ||
2478 (fcport->flags & FCF_LOGIN_NEEDED) == 0)
2479 continue;
2480
2481 if (fcport->loop_id == FC_NO_LOOP_ID) {
2482 fcport->loop_id = next_loopid;
d4486fd6 2483 rval = qla2x00_find_new_loop_id(
e315cd28 2484 base_vha, fcport);
1da177e4
LT		 2485 if (rval != QLA_SUCCESS) {
2486 /* Ran out of IDs to use */
2487 break;
2488 }
2489 }
1da177e4 2490 /* Login and update database */
e315cd28 2491 qla2x00_fabric_dev_login(vha, fcport, &next_loopid);
1da177e4
LT		 2492 }
2493
2494 /* Exit if out of loop IDs. */
2495 if (rval != QLA_SUCCESS) {
2496 break;
2497 }
2498
2499 /*
2500 * Login and add the new devices to our port list.
2501 */
2502 list_for_each_entry_safe(fcport, fcptemp, &new_fcports, list) {
e315cd28
AC		 2503 if (atomic_read(&vha->loop_down_timer) ||
2504 test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags))
1da177e4
LT		 2505 break;
2506
2507 /* Find a new loop ID to use. */
2508 fcport->loop_id = next_loopid;
e315cd28 2509 rval = qla2x00_find_new_loop_id(base_vha, fcport);
1da177e4
LT		 2510 if (rval != QLA_SUCCESS) {
2511 /* Ran out of IDs to use */
2512 break;
2513 }
2514
bdf79621 2515 /* Login and update database */
e315cd28
AC		 2516 qla2x00_fabric_dev_login(vha, fcport, &next_loopid);
2517
2518 if (vha->vp_idx) {
2519 fcport->vha = vha;
2520 fcport->vp_idx = vha->vp_idx;
2521 }
2522 list_move_tail(&fcport->list, &vha->vp_fcports);
1da177e4
LT		 2523 }
2524 } while (0);
2525
2526 /* Free all new device structures not processed. */
2527 list_for_each_entry_safe(fcport, fcptemp, &new_fcports, list) {
2528 list_del(&fcport->list);
2529 kfree(fcport);
2530 }
2531
2532 if (rval) {
2533 DEBUG2(printk("scsi(%ld): Configure fabric error exit: "
e315cd28 2534 "rval=%d\n", vha->host_no, rval));
1da177e4
LT		 2535 }
2536
2537 return (rval);
2538}
2539
2540
2541/*
2542 * qla2x00_find_all_fabric_devs
2543 *
2544 * Input:
2545 * ha = adapter block pointer.
2546 * dev = database device entry pointer.
2547 *
2548 * Returns:
2549 * 0 = success.
2550 *
2551 * Context:
2552 * Kernel context.
2553 */
2554static int
e315cd28
AC		 2555qla2x00_find_all_fabric_devs(scsi_qla_host_t *vha,
2556 struct list_head *new_fcports)
1da177e4
LT		 2557{
2558 int rval;
2559 uint16_t loop_id;
2560 fc_port_t *fcport, *new_fcport, *fcptemp;
2561 int found;
2562
2563 sw_info_t *swl;
2564 int swl_idx;
2565 int first_dev, last_dev;
2566 port_id_t wrap, nxt_d_id;
e315cd28
AC		 2567 struct qla_hw_data *ha = vha->hw;
2568 struct scsi_qla_host *vp, *base_vha = pci_get_drvdata(ha->pdev);
ee546b6e 2569 struct scsi_qla_host *tvp;
1da177e4
LT		 2570
2571 rval = QLA_SUCCESS;
2572
2573 /* Try GID_PT to get device list, else GAN. */
4b89258c 2574 swl = kcalloc(MAX_FIBRE_DEVICES, sizeof(sw_info_t), GFP_KERNEL);
bbfbbbc1 2575 if (!swl) {
1da177e4
LT		 2576 /*EMPTY*/
2577 DEBUG2(printk("scsi(%ld): GID_PT allocations failed, fallback "
e315cd28 2578 "on GA_NXT\n", vha->host_no));
1da177e4 2579 } else {
e315cd28 2580 if (qla2x00_gid_pt(vha, swl) != QLA_SUCCESS) {
1da177e4
LT		 2581 kfree(swl);
2582 swl = NULL;
e315cd28 2583 } else if (qla2x00_gpn_id(vha, swl) != QLA_SUCCESS) {
1da177e4
LT		 2584 kfree(swl);
2585 swl = NULL;
e315cd28 2586 } else if (qla2x00_gnn_id(vha, swl) != QLA_SUCCESS) {
1da177e4
LT		 2587 kfree(swl);
2588 swl = NULL;
e5896bd5 2589 } else if (ql2xiidmaenable &&
e315cd28
AC		 2590 qla2x00_gfpn_id(vha, swl) == QLA_SUCCESS) {
2591 qla2x00_gpsc(vha, swl);
1da177e4
LT		 2592 }
2593 }
2594 swl_idx = 0;
2595
2596 /* Allocate temporary fcport for any new fcports discovered. */
e315cd28 2597 new_fcport = qla2x00_alloc_fcport(vha, GFP_KERNEL);
1da177e4 2598 if (new_fcport == NULL) {
c9475cb0 2599 kfree(swl);
1da177e4
LT		 2600 return (QLA_MEMORY_ALLOC_FAILED);
2601 }
2602 new_fcport->flags |= (FCF_FABRIC_DEVICE | FCF_LOGIN_NEEDED);
1da177e4
LT		 2603 /* Set start port ID scan at adapter ID. */
2604 first_dev = 1;
2605 last_dev = 0;
2606
2607 /* Starting free loop ID. */
e315cd28
AC		 2608 loop_id = ha->min_external_loopid;
2609 for (; loop_id <= ha->max_loop_id; loop_id++) {
2610 if (qla2x00_is_reserved_id(vha, loop_id))
1da177e4
LT		 2611 continue;
2612
e315cd28 2613 if (atomic_read(&vha->loop_down_timer) || LOOP_TRANSITION(vha))
1da177e4
LT		 2614 break;
2615
2616 if (swl != NULL) {
2617 if (last_dev) {
2618 wrap.b24 = new_fcport->d_id.b24;
2619 } else {
2620 new_fcport->d_id.b24 = swl[swl_idx].d_id.b24;
2621 memcpy(new_fcport->node_name,
2622 swl[swl_idx].node_name, WWN_SIZE);
2623 memcpy(new_fcport->port_name,
2624 swl[swl_idx].port_name, WWN_SIZE);
d8b45213
AV		 2625 memcpy(new_fcport->fabric_port_name,
2626 swl[swl_idx].fabric_port_name, WWN_SIZE);
2627 new_fcport->fp_speed = swl[swl_idx].fp_speed;
1da177e4
LT		 2628
2629 if (swl[swl_idx].d_id.b.rsvd_1 != 0) {
2630 last_dev = 1;
2631 }
2632 swl_idx++;
2633 }
2634 } else {
2635 /* Send GA_NXT to the switch */
e315cd28 2636 rval = qla2x00_ga_nxt(vha, new_fcport);
1da177e4
LT		 2637 if (rval != QLA_SUCCESS) {
2638 qla_printk(KERN_WARNING, ha,
2639 "SNS scan failed -- assuming zero-entry "
2640 "result...\n");
2641 list_for_each_entry_safe(fcport, fcptemp,
2642 new_fcports, list) {
2643 list_del(&fcport->list);
2644 kfree(fcport);
2645 }
2646 rval = QLA_SUCCESS;
2647 break;
2648 }
2649 }
2650
2651 /* If wrap on switch device list, exit. */
2652 if (first_dev) {
2653 wrap.b24 = new_fcport->d_id.b24;
2654 first_dev = 0;
2655 } else if (new_fcport->d_id.b24 == wrap.b24) {
2656 DEBUG2(printk("scsi(%ld): device wrap (%02x%02x%02x)\n",
e315cd28 2657 vha->host_no, new_fcport->d_id.b.domain,
1da177e4
LT		 2658 new_fcport->d_id.b.area, new_fcport->d_id.b.al_pa));
2659 break;
2660 }
2661
2c3dfe3f 2662 /* Bypass if same physical adapter. */
e315cd28 2663 if (new_fcport->d_id.b24 == base_vha->d_id.b24)
1da177e4
LT		 2664 continue;
2665
2c3dfe3f 2666 /* Bypass virtual ports of the same host. */
e315cd28
AC		 2667 found = 0;
2668 if (ha->num_vhosts) {
ee546b6e 2669 list_for_each_entry_safe(vp, tvp, &ha->vp_list, list) {
e315cd28
AC		 2670 if (new_fcport->d_id.b24 == vp->d_id.b24) {
2671 found = 1;
2c3dfe3f 2672 break;
e315cd28 2673 }
2c3dfe3f 2674 }
e315cd28 2675 if (found)
2c3dfe3f
SJ		 2676 continue;
2677 }
2678
f7d289f6
AV		 2679 /* Bypass if same domain and area of adapter. */
2680 if (((new_fcport->d_id.b24 & 0xffff00) ==
e315cd28 2681 (vha->d_id.b24 & 0xffff00)) && ha->current_topology ==
f7d289f6
AV		 2682 ISP_CFG_FL)
2683 continue;
2684
1da177e4
LT		 2685 /* Bypass reserved domain fields. */
2686 if ((new_fcport->d_id.b.domain & 0xf0) == 0xf0)
2687 continue;
2688
2689 /* Locate matching device in database. */
2690 found = 0;
e315cd28 2691 list_for_each_entry(fcport, &vha->vp_fcports, list) {
1da177e4
LT		 2692 if (memcmp(new_fcport->port_name, fcport->port_name,
2693 WWN_SIZE))
2694 continue;
2695
2696 found++;
2697
d8b45213
AV		 2698 /* Update port state. */
2699 memcpy(fcport->fabric_port_name,
2700 new_fcport->fabric_port_name, WWN_SIZE);
2701 fcport->fp_speed = new_fcport->fp_speed;
2702
1da177e4
LT		 2703 /*
2704 * If address the same and state FCS_ONLINE, nothing
2705 * changed.
2706 */
2707 if (fcport->d_id.b24 == new_fcport->d_id.b24 &&
2708 atomic_read(&fcport->state) == FCS_ONLINE) {
2709 break;
2710 }
2711
2712 /*
2713 * If device was not a fabric device before.
2714 */
2715 if ((fcport->flags & FCF_FABRIC_DEVICE) == 0) {
2716 fcport->d_id.b24 = new_fcport->d_id.b24;
2717 fcport->loop_id = FC_NO_LOOP_ID;
2718 fcport->flags |= (FCF_FABRIC_DEVICE |
2719 FCF_LOGIN_NEEDED);
1da177e4
LT		 2720 break;
2721 }
2722
2723 /*
2724 * Port ID changed or device was marked to be updated;
2725 * Log it out if still logged in and mark it for
2726 * relogin later.
2727 */
2728 fcport->d_id.b24 = new_fcport->d_id.b24;
2729 fcport->flags |= FCF_LOGIN_NEEDED;
2730 if (fcport->loop_id != FC_NO_LOOP_ID &&
2731 (fcport->flags & FCF_TAPE_PRESENT) == 0 &&
2732 fcport->port_type != FCT_INITIATOR &&
2733 fcport->port_type != FCT_BROADCAST) {
e315cd28 2734 ha->isp_ops->fabric_logout(vha, fcport->loop_id,
1c7c6357
AV		 2735 fcport->d_id.b.domain, fcport->d_id.b.area,
2736 fcport->d_id.b.al_pa);
1da177e4
LT		 2737 fcport->loop_id = FC_NO_LOOP_ID;
2738 }
2739
2740 break;
2741 }
2742
2743 if (found)
2744 continue;
1da177e4
LT		 2745 /* If device was not in our fcports list, then add it. */
2746 list_add_tail(&new_fcport->list, new_fcports);
2747
2748 /* Allocate a new replacement fcport. */
2749 nxt_d_id.b24 = new_fcport->d_id.b24;
e315cd28 2750 new_fcport = qla2x00_alloc_fcport(vha, GFP_KERNEL);
1da177e4 2751 if (new_fcport == NULL) {
c9475cb0 2752 kfree(swl);
1da177e4
LT		 2753 return (QLA_MEMORY_ALLOC_FAILED);
2754 }
2755 new_fcport->flags |= (FCF_FABRIC_DEVICE | FCF_LOGIN_NEEDED);
2756 new_fcport->d_id.b24 = nxt_d_id.b24;
2757 }
2758
c9475cb0
JJ		 2759 kfree(swl);
2760 kfree(new_fcport);
1da177e4 2761
1da177e4
LT		 2762 return (rval);
2763}
2764
2765/*
2766 * qla2x00_find_new_loop_id
2767 * Scan through our port list and find a new usable loop ID.
2768 *
2769 * Input:
2770 * ha: adapter state pointer.
2771 * dev: port structure pointer.
2772 *
2773 * Returns:
2774 * qla2x00 local function return status code.
2775 *
2776 * Context:
2777 * Kernel context.
2778 */
413975a0 2779static int
e315cd28 2780qla2x00_find_new_loop_id(scsi_qla_host_t *vha, fc_port_t *dev)
1da177e4
LT		 2781{
2782 int rval;
2783 int found;
2784 fc_port_t *fcport;
2785 uint16_t first_loop_id;
e315cd28
AC		 2786 struct qla_hw_data *ha = vha->hw;
2787 struct scsi_qla_host *vp;
ee546b6e 2788 struct scsi_qla_host *tvp;
1da177e4
LT		 2789
2790 rval = QLA_SUCCESS;
2791
2792 /* Save starting loop ID. */
2793 first_loop_id = dev->loop_id;
2794
2795 for (;;) {
2796 /* Skip loop ID if already used by adapter. */
e315cd28 2797 if (dev->loop_id == vha->loop_id)
1da177e4 2798 dev->loop_id++;
1da177e4
LT		 2799
2800 /* Skip reserved loop IDs. */
e315cd28 2801 while (qla2x00_is_reserved_id(vha, dev->loop_id))
1da177e4 2802 dev->loop_id++;
1da177e4
LT		 2803
2804 /* Reset loop ID if passed the end. */
e315cd28 2805 if (dev->loop_id > ha->max_loop_id) {
1da177e4
LT		 2806 /* first loop ID. */
2807 dev->loop_id = ha->min_external_loopid;
2808 }
2809
2810 /* Check for loop ID being already in use. */
2811 found = 0;
2812 fcport = NULL;
ee546b6e 2813 list_for_each_entry_safe(vp, tvp, &ha->vp_list, list) {
e315cd28
AC		 2814 list_for_each_entry(fcport, &vp->vp_fcports, list) {
2815 if (fcport->loop_id == dev->loop_id &&
2816 fcport != dev) {
2817 /* ID possibly in use */
2818 found++;
2819 break;
2820 }
1da177e4 2821 }
e315cd28
AC		 2822 if (found)
2823 break;
1da177e4
LT		 2824 }
2825
2826 /* If not in use then it is free to use. */
2827 if (!found) {
2828 break;
2829 }
2830
2831 /* ID in use. Try next value. */
2832 dev->loop_id++;
2833
2834 /* If wrap around. No free ID to use. */
2835 if (dev->loop_id == first_loop_id) {
2836 dev->loop_id = FC_NO_LOOP_ID;
2837 rval = QLA_FUNCTION_FAILED;
2838 break;
2839 }
2840 }
2841
2842 return (rval);
2843}
2844
2845/*
2846 * qla2x00_device_resync
2847 * Marks devices in the database that needs resynchronization.
2848 *
2849 * Input:
2850 * ha = adapter block pointer.
2851 *
2852 * Context:
2853 * Kernel context.
2854 */
2855static int
e315cd28 2856qla2x00_device_resync(scsi_qla_host_t *vha)
1da177e4
LT		 2857{
2858 int rval;
1da177e4
LT		 2859 uint32_t mask;
2860 fc_port_t *fcport;
2861 uint32_t rscn_entry;
2862 uint8_t rscn_out_iter;
2863 uint8_t format;
2864 port_id_t d_id;
2865
2866 rval = QLA_RSCNS_HANDLED;
2867
e315cd28
AC		 2868 while (vha->rscn_out_ptr != vha->rscn_in_ptr ||
2869 vha->flags.rscn_queue_overflow) {
1da177e4 2870
e315cd28 2871 rscn_entry = vha->rscn_queue[vha->rscn_out_ptr];
1da177e4
LT		 2872 format = MSB(MSW(rscn_entry));
2873 d_id.b.domain = LSB(MSW(rscn_entry));
2874 d_id.b.area = MSB(LSW(rscn_entry));
2875 d_id.b.al_pa = LSB(LSW(rscn_entry));
2876
2877 DEBUG(printk("scsi(%ld): RSCN queue entry[%d] = "
2878 "[%02x/%02x%02x%02x].\n",
e315cd28 2879 vha->host_no, vha->rscn_out_ptr, format, d_id.b.domain,
1da177e4
LT		 2880 d_id.b.area, d_id.b.al_pa));
2881
e315cd28
AC		 2882 vha->rscn_out_ptr++;
2883 if (vha->rscn_out_ptr == MAX_RSCN_COUNT)
2884 vha->rscn_out_ptr = 0;
1da177e4
LT		 2885
2886 /* Skip duplicate entries. */
e315cd28
AC		 2887 for (rscn_out_iter = vha->rscn_out_ptr;
2888 !vha->flags.rscn_queue_overflow &&
2889 rscn_out_iter != vha->rscn_in_ptr;
1da177e4
LT		 2890 rscn_out_iter = (rscn_out_iter ==
2891 (MAX_RSCN_COUNT - 1)) ? 0: rscn_out_iter + 1) {
2892
e315cd28 2893 if (rscn_entry != vha->rscn_queue[rscn_out_iter])
1da177e4
LT		 2894 break;
2895
2896 DEBUG(printk("scsi(%ld): Skipping duplicate RSCN queue "
e315cd28 2897 "entry found at [%d].\n", vha->host_no,
1da177e4
LT		 2898 rscn_out_iter));
2899
e315cd28 2900 vha->rscn_out_ptr = rscn_out_iter;
1da177e4
LT		 2901 }
2902
2903 /* Queue overflow, set switch default case. */
e315cd28 2904 if (vha->flags.rscn_queue_overflow) {
1da177e4 2905 DEBUG(printk("scsi(%ld): device_resync: rscn "
e315cd28 2906 "overflow.\n", vha->host_no));
1da177e4
LT		 2907
2908 format = 3;
e315cd28 2909 vha->flags.rscn_queue_overflow = 0;
1da177e4
LT		 2910 }
2911
2912 switch (format) {
2913 case 0:
1da177e4
LT		 2914 mask = 0xffffff;
2915 break;
2916 case 1:
2917 mask = 0xffff00;
2918 break;
2919 case 2:
2920 mask = 0xff0000;
2921 break;
2922 default:
2923 mask = 0x0;
2924 d_id.b24 = 0;
e315cd28 2925 vha->rscn_out_ptr = vha->rscn_in_ptr;
1da177e4
LT		 2926 break;
2927 }
2928
2929 rval = QLA_SUCCESS;
2930
e315cd28 2931 list_for_each_entry(fcport, &vha->vp_fcports, list) {
1da177e4
LT		 2932 if ((fcport->flags & FCF_FABRIC_DEVICE) == 0 ||
2933 (fcport->d_id.b24 & mask) != d_id.b24 ||
2934 fcport->port_type == FCT_BROADCAST)
2935 continue;
2936
2937 if (atomic_read(&fcport->state) == FCS_ONLINE) {
2938 if (format != 3 ||
2939 fcport->port_type != FCT_INITIATOR) {
e315cd28 2940 qla2x00_mark_device_lost(vha, fcport,
d97994dc 2941 0, 0);
1da177e4
LT		 2942 }
2943 }
1da177e4
LT		 2944 }
2945 }
2946 return (rval);
2947}
2948
2949/*
2950 * qla2x00_fabric_dev_login
2951 * Login fabric target device and update FC port database.
2952 *
2953 * Input:
2954 * ha: adapter state pointer.
2955 * fcport: port structure list pointer.
2956 * next_loopid: contains value of a new loop ID that can be used
2957 * by the next login attempt.
2958 *
2959 * Returns:
2960 * qla2x00 local function return status code.
2961 *
2962 * Context:
2963 * Kernel context.
2964 */
2965static int
e315cd28 2966qla2x00_fabric_dev_login(scsi_qla_host_t *vha, fc_port_t *fcport,
1da177e4
LT		 2967 uint16_t *next_loopid)
2968{
2969 int rval;
2970 int retry;
0107109e 2971 uint8_t opts;
e315cd28 2972 struct qla_hw_data *ha = vha->hw;
1da177e4
LT		 2973
2974 rval = QLA_SUCCESS;
2975 retry = 0;
2976
e315cd28 2977 rval = qla2x00_fabric_login(vha, fcport, next_loopid);
1da177e4 2978 if (rval == QLA_SUCCESS) {
0107109e
AV		 2979 /* Send an ADISC to tape devices.*/
2980 opts = 0;
2981 if (fcport->flags & FCF_TAPE_PRESENT)
2982 opts |= BIT_1;
e315cd28 2983 rval = qla2x00_get_port_database(vha, fcport, opts);
1da177e4 2984 if (rval != QLA_SUCCESS) {
e315cd28 2985 ha->isp_ops->fabric_logout(vha, fcport->loop_id,
1c7c6357
AV		 2986 fcport->d_id.b.domain, fcport->d_id.b.area,
2987 fcport->d_id.b.al_pa);
e315cd28 2988 qla2x00_mark_device_lost(vha, fcport, 1, 0);
1da177e4 2989 } else {
e315cd28 2990 qla2x00_update_fcport(vha, fcport);
1da177e4
LT		 2991 }
2992 }
2993
2994 return (rval);
2995}
2996
2997/*
2998 * qla2x00_fabric_login
2999 * Issue fabric login command.
3000 *
3001 * Input:
3002 * ha = adapter block pointer.
3003 * device = pointer to FC device type structure.
3004 *
3005 * Returns:
3006 * 0 - Login successfully
3007 * 1 - Login failed
3008 * 2 - Initiator device
3009 * 3 - Fatal error
3010 */
3011int
e315cd28 3012qla2x00_fabric_login(scsi_qla_host_t *vha, fc_port_t *fcport,
1da177e4
LT		 3013 uint16_t *next_loopid)
3014{
3015 int rval;
3016 int retry;
3017 uint16_t tmp_loopid;
3018 uint16_t mb[MAILBOX_REGISTER_COUNT];
e315cd28 3019 struct qla_hw_data *ha = vha->hw;
1da177e4
LT		 3020
3021 retry = 0;
3022 tmp_loopid = 0;
3023
3024 for (;;) {
3025 DEBUG(printk("scsi(%ld): Trying Fabric Login w/loop id 0x%04x "
3026 "for port %02x%02x%02x.\n",
e315cd28 3027 vha->host_no, fcport->loop_id, fcport->d_id.b.domain,
1da177e4
LT		 3028 fcport->d_id.b.area, fcport->d_id.b.al_pa));
3029
3030 /* Login fcport on switch. */
e315cd28 3031 ha->isp_ops->fabric_login(vha, fcport->loop_id,
1da177e4
LT		 3032 fcport->d_id.b.domain, fcport->d_id.b.area,
3033 fcport->d_id.b.al_pa, mb, BIT_0);
3034 if (mb[0] == MBS_PORT_ID_USED) {
3035 /*
3036 * Device has another loop ID. The firmware team
0107109e
AV		 3037 * recommends the driver perform an implicit login with
3038 * the specified ID again. The ID we just used is save
3039 * here so we return with an ID that can be tried by
3040 * the next login.
1da177e4
LT		 3041 */
3042 retry++;
3043 tmp_loopid = fcport->loop_id;
3044 fcport->loop_id = mb[1];
3045
3046 DEBUG(printk("Fabric Login: port in use - next "
3047 "loop id=0x%04x, port Id=%02x%02x%02x.\n",
3048 fcport->loop_id, fcport->d_id.b.domain,
3049 fcport->d_id.b.area, fcport->d_id.b.al_pa));
3050
3051 } else if (mb[0] == MBS_COMMAND_COMPLETE) {
3052 /*
3053 * Login succeeded.
3054 */
3055 if (retry) {
3056 /* A retry occurred before. */
3057 *next_loopid = tmp_loopid;
3058 } else {
3059 /*
3060 * No retry occurred before. Just increment the
3061 * ID value for next login.
3062 */
3063 *next_loopid = (fcport->loop_id + 1);
3064 }
3065
3066 if (mb[1] & BIT_0) {
3067 fcport->port_type = FCT_INITIATOR;
3068 } else {
3069 fcport->port_type = FCT_TARGET;
3070 if (mb[1] & BIT_1) {
3071 fcport->flags |= FCF_TAPE_PRESENT;
3072 }
3073 }
3074
ad3e0eda
AV		 3075 if (mb[10] & BIT_0)
3076 fcport->supported_classes |= FC_COS_CLASS2;
3077 if (mb[10] & BIT_1)
3078 fcport->supported_classes |= FC_COS_CLASS3;
3079
1da177e4
LT		 3080 rval = QLA_SUCCESS;
3081 break;
3082 } else if (mb[0] == MBS_LOOP_ID_USED) {
3083 /*
3084 * Loop ID already used, try next loop ID.
3085 */
3086 fcport->loop_id++;
e315cd28 3087 rval = qla2x00_find_new_loop_id(vha, fcport);
1da177e4
LT		 3088 if (rval != QLA_SUCCESS) {
3089 /* Ran out of loop IDs to use */
3090 break;
3091 }
3092 } else if (mb[0] == MBS_COMMAND_ERROR) {
3093 /*
3094 * Firmware possibly timed out during login. If NO
3095 * retries are left to do then the device is declared
3096 * dead.
3097 */
3098 *next_loopid = fcport->loop_id;
e315cd28 3099 ha->isp_ops->fabric_logout(vha, fcport->loop_id,
1c7c6357
AV		 3100 fcport->d_id.b.domain, fcport->d_id.b.area,
3101 fcport->d_id.b.al_pa);
e315cd28 3102 qla2x00_mark_device_lost(vha, fcport, 1, 0);
1da177e4
LT		 3103
3104 rval = 1;
3105 break;
3106 } else {
3107 /*
3108 * unrecoverable / not handled error
3109 */
3110 DEBUG2(printk("%s(%ld): failed=%x port_id=%02x%02x%02x "
fa2a1ce5 3111 "loop_id=%x jiffies=%lx.\n",
e315cd28 3112 __func__, vha->host_no, mb[0],
1da177e4
LT		 3113 fcport->d_id.b.domain, fcport->d_id.b.area,
3114 fcport->d_id.b.al_pa, fcport->loop_id, jiffies));
3115
3116 *next_loopid = fcport->loop_id;
e315cd28 3117 ha->isp_ops->fabric_logout(vha, fcport->loop_id,
1c7c6357
AV		 3118 fcport->d_id.b.domain, fcport->d_id.b.area,
3119 fcport->d_id.b.al_pa);
1da177e4 3120 fcport->loop_id = FC_NO_LOOP_ID;
0eedfcf0 3121 fcport->login_retry = 0;
1da177e4
LT		 3122
3123 rval = 3;
3124 break;
3125 }
3126 }
3127
3128 return (rval);
3129}
3130
3131/*
3132 * qla2x00_local_device_login
3133 * Issue local device login command.
3134 *
3135 * Input:
3136 * ha = adapter block pointer.
3137 * loop_id = loop id of device to login to.
3138 *
3139 * Returns (Where's the #define!!!!):
3140 * 0 - Login successfully
3141 * 1 - Login failed
3142 * 3 - Fatal error
3143 */
3144int
e315cd28 3145qla2x00_local_device_login(scsi_qla_host_t *vha, fc_port_t *fcport)
1da177e4
LT		 3146{
3147 int rval;
3148 uint16_t mb[MAILBOX_REGISTER_COUNT];
3149
3150 memset(mb, 0, sizeof(mb));
e315cd28 3151 rval = qla2x00_login_local_device(vha, fcport, mb, BIT_0);
1da177e4
LT		 3152 if (rval == QLA_SUCCESS) {
3153 /* Interrogate mailbox registers for any errors */
3154 if (mb[0] == MBS_COMMAND_ERROR)
3155 rval = 1;
3156 else if (mb[0] == MBS_COMMAND_PARAMETER_ERROR)
3157 /* device not in PCB table */
3158 rval = 3;
3159 }
3160
3161 return (rval);
3162}
3163
3164/*
3165 * qla2x00_loop_resync
3166 * Resync with fibre channel devices.
3167 *
3168 * Input:
3169 * ha = adapter block pointer.
3170 *
3171 * Returns:
3172 * 0 = success
3173 */
3174int
e315cd28 3175qla2x00_loop_resync(scsi_qla_host_t *vha)
1da177e4 3176{
73208dfd 3177 int rval = QLA_SUCCESS;
1da177e4 3178 uint32_t wait_time;
73208dfd 3179 struct qla_hw_data *ha = vha->hw;
29bdccbe
AC		 3180 struct req_que *req = ha->req_q_map[vha->req_ques[0]];
3181 struct rsp_que *rsp = req->rsp;
1da177e4 3182
e315cd28
AC		 3183 atomic_set(&vha->loop_state, LOOP_UPDATE);
3184 clear_bit(ISP_ABORT_RETRY, &vha->dpc_flags);
3185 if (vha->flags.online) {
3186 if (!(rval = qla2x00_fw_ready(vha))) {
1da177e4
LT		 3187 /* Wait at most MAX_TARGET RSCNs for a stable link. */
3188 wait_time = 256;
3189 do {
e315cd28 3190 atomic_set(&vha->loop_state, LOOP_UPDATE);
1da177e4 3191
0107109e 3192 /* Issue a marker after FW becomes ready. */
73208dfd
AC		 3193 qla2x00_marker(vha, req, rsp, 0, 0,
3194 MK_SYNC_ALL);
e315cd28 3195 vha->marker_needed = 0;
1da177e4
LT		 3196
3197 /* Remap devices on Loop. */
e315cd28 3198 clear_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags);
1da177e4 3199
e315cd28 3200 qla2x00_configure_loop(vha);
1da177e4 3201 wait_time--;
e315cd28
AC		 3202 } while (!atomic_read(&vha->loop_down_timer) &&
3203 !(test_bit(ISP_ABORT_NEEDED, &vha->dpc_flags))
3204 && wait_time && (test_bit(LOOP_RESYNC_NEEDED,
3205 &vha->dpc_flags)));
1da177e4 3206 }
1da177e4
LT		 3207 }
3208
e315cd28 3209 if (test_bit(ISP_ABORT_NEEDED, &vha->dpc_flags))
1da177e4 3210 return (QLA_FUNCTION_FAILED);
1da177e4 3211
e315cd28 3212 if (rval)
1da177e4 3213 DEBUG2_3(printk("%s(): **** FAILED ****\n", __func__));
1da177e4
LT		 3214
3215 return (rval);
3216}
3217
d97994dc 3218void
e315cd28 3219qla2x00_update_fcports(scsi_qla_host_t *vha)
d97994dc
AV		 3220{
3221 fc_port_t *fcport;
3222
3223 /* Go with deferred removal of rport references. */
e315cd28
AC		 3224 list_for_each_entry(fcport, &vha->vp_fcports, list)
3225 if (fcport && fcport->drport &&
c9c5ced9 3226 atomic_read(&fcport->state) != FCS_UNCONFIGURED)
d97994dc
AV		 3227 qla2x00_rport_del(fcport);
3228}
3229
1da177e4
LT		 3230/*
3231* qla2x00_abort_isp
3232* Resets ISP and aborts all outstanding commands.
3233*
3234* Input:
3235* ha = adapter block pointer.
3236*
3237* Returns:
3238* 0 = success
3239*/
3240int
e315cd28 3241qla2x00_abort_isp(scsi_qla_host_t *vha)
1da177e4 3242{
476e8978 3243 int rval;
1da177e4 3244 uint8_t status = 0;
e315cd28
AC		 3245 struct qla_hw_data *ha = vha->hw;
3246 struct scsi_qla_host *vp;
ee546b6e 3247 struct scsi_qla_host *tvp;
73208dfd 3248 struct req_que *req = ha->req_q_map[0];
1da177e4 3249
e315cd28
AC		 3250 if (vha->flags.online) {
3251 vha->flags.online = 0;
2533cf67 3252 ha->flags.chip_reset_done = 0;
e315cd28 3253 clear_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
e5f5f6f7 3254 ha->qla_stats.total_isp_aborts++;
1da177e4
LT		 3255
3256 qla_printk(KERN_INFO, ha,
3257 "Performing ISP error recovery - ha= %p.\n", ha);
e315cd28
AC		 3258 ha->isp_ops->reset_chip(vha);
3259
3260 atomic_set(&vha->loop_down_timer, LOOP_DOWN_TIME);
3261 if (atomic_read(&vha->loop_state) != LOOP_DOWN) {
3262 atomic_set(&vha->loop_state, LOOP_DOWN);
3263 qla2x00_mark_all_devices_lost(vha, 0);
ee546b6e 3264 list_for_each_entry_safe(vp, tvp, &ha->vp_list, list)
e315cd28 3265 qla2x00_mark_all_devices_lost(vp, 0);
1da177e4 3266 } else {
e315cd28
AC		 3267 if (!atomic_read(&vha->loop_down_timer))
3268 atomic_set(&vha->loop_down_timer,
1da177e4
LT		 3269 LOOP_DOWN_TIME);
3270 }
3271
1da177e4 3272 /* Requeue all commands in outstanding command list. */
e315cd28 3273 qla2x00_abort_all_cmds(vha, DID_RESET << 16);
1da177e4 3274
73208dfd 3275 ha->isp_ops->get_flash_version(vha, req->ring);
30c47662 3276
e315cd28 3277 ha->isp_ops->nvram_config(vha);
1da177e4 3278
e315cd28
AC		 3279 if (!qla2x00_restart_isp(vha)) {
3280 clear_bit(RESET_MARKER_NEEDED, &vha->dpc_flags);
1da177e4 3281
e315cd28 3282 if (!atomic_read(&vha->loop_down_timer)) {
1da177e4
LT		 3283 /*
3284 * Issue marker command only when we are going
3285 * to start the I/O .
3286 */
e315cd28 3287 vha->marker_needed = 1;
1da177e4
LT		 3288 }
3289
e315cd28 3290 vha->flags.online = 1;
1da177e4 3291
fd34f556 3292 ha->isp_ops->enable_intrs(ha);
1da177e4 3293
fa2a1ce5 3294 ha->isp_abort_cnt = 0;
e315cd28 3295 clear_bit(ISP_ABORT_RETRY, &vha->dpc_flags);
476e8978 3296
df613b96
AV		 3297 if (ha->fce) {
3298 ha->flags.fce_enabled = 1;
3299 memset(ha->fce, 0,
3300 fce_calc_size(ha->fce_bufs));
e315cd28 3301 rval = qla2x00_enable_fce_trace(vha,
df613b96
AV		 3302 ha->fce_dma, ha->fce_bufs, ha->fce_mb,
3303 &ha->fce_bufs);
3304 if (rval) {
3305 qla_printk(KERN_WARNING, ha,
3306 "Unable to reinitialize FCE "
3307 "(%d).\n", rval);
3308 ha->flags.fce_enabled = 0;
3309 }
3310 }
436a7b11
AV		 3311
3312 if (ha->eft) {
3313 memset(ha->eft, 0, EFT_SIZE);
e315cd28 3314 rval = qla2x00_enable_eft_trace(vha,
436a7b11
AV		 3315 ha->eft_dma, EFT_NUM_BUFFERS);
3316 if (rval) {
3317 qla_printk(KERN_WARNING, ha,
3318 "Unable to reinitialize EFT "
3319 "(%d).\n", rval);
3320 }
3321 }
1da177e4 3322 } else { /* failed the ISP abort */
e315cd28
AC		 3323 vha->flags.online = 1;
3324 if (test_bit(ISP_ABORT_RETRY, &vha->dpc_flags)) {
1da177e4
LT		 3325 if (ha->isp_abort_cnt == 0) {
3326 qla_printk(KERN_WARNING, ha,
3327 "ISP error recovery failed - "
3328 "board disabled\n");
fa2a1ce5 3329 /*
1da177e4
LT		 3330 * The next call disables the board
3331 * completely.
3332 */
e315cd28
AC		 3333 ha->isp_ops->reset_adapter(vha);
3334 vha->flags.online = 0;
1da177e4 3335 clear_bit(ISP_ABORT_RETRY,
e315cd28 3336 &vha->dpc_flags);
1da177e4
LT		 3337 status = 0;
3338 } else { /* schedule another ISP abort */
3339 ha->isp_abort_cnt--;
3340 DEBUG(printk("qla%ld: ISP abort - "
0107109e 3341 "retry remaining %d\n",
e315cd28 3342 vha->host_no, ha->isp_abort_cnt));
1da177e4
LT		 3343 status = 1;
3344 }
3345 } else {
3346 ha->isp_abort_cnt = MAX_RETRIES_OF_ISP_ABORT;
3347 DEBUG(printk("qla2x00(%ld): ISP error recovery "
3348 "- retrying (%d) more times\n",
e315cd28
AC		 3349 vha->host_no, ha->isp_abort_cnt));
3350 set_bit(ISP_ABORT_RETRY, &vha->dpc_flags);
1da177e4
LT		 3351 status = 1;
3352 }
3353 }
fa2a1ce5 3354
1da177e4
LT		 3355 }
3356
e315cd28
AC		 3357 if (!status) {
3358 DEBUG(printk(KERN_INFO
3359 "qla2x00_abort_isp(%ld): succeeded.\n",
3360 vha->host_no));
ee546b6e 3361 list_for_each_entry_safe(vp, tvp, &ha->vp_list, list) {
e315cd28
AC		 3362 if (vp->vp_idx)
3363 qla2x00_vp_abort_isp(vp);
3364 }
3365 } else {
1da177e4
LT		 3366 qla_printk(KERN_INFO, ha,
3367 "qla2x00_abort_isp: **** FAILED ****\n");
1da177e4
LT		 3368 }
3369
3370 return(status);
3371}
3372
3373/*
3374* qla2x00_restart_isp
3375* restarts the ISP after a reset
3376*
3377* Input:
3378* ha = adapter block pointer.
3379*
3380* Returns:
3381* 0 = success
3382*/
3383static int
e315cd28 3384qla2x00_restart_isp(scsi_qla_host_t *vha)
1da177e4 3385{
c6b2fca8 3386 int status = 0;
1da177e4 3387 uint32_t wait_time;
e315cd28 3388 struct qla_hw_data *ha = vha->hw;
73208dfd
AC		 3389 struct req_que *req = ha->req_q_map[0];
3390 struct rsp_que *rsp = ha->rsp_q_map[0];
1da177e4
LT		 3391
3392 /* If firmware needs to be loaded */
e315cd28
AC		 3393 if (qla2x00_isp_firmware(vha)) {
3394 vha->flags.online = 0;
3395 status = ha->isp_ops->chip_diag(vha);
3396 if (!status)
3397 status = qla2x00_setup_chip(vha);
1da177e4
LT		 3398 }
3399
e315cd28
AC		 3400 if (!status && !(status = qla2x00_init_rings(vha))) {
3401 clear_bit(RESET_MARKER_NEEDED, &vha->dpc_flags);
2533cf67 3402 ha->flags.chip_reset_done = 1;
73208dfd
AC		 3403 /* Initialize the queues in use */
3404 qla25xx_init_queues(ha);
3405
e315cd28
AC		 3406 status = qla2x00_fw_ready(vha);
3407 if (!status) {
1da177e4 3408 DEBUG(printk("%s(): Start configure loop, "
744f11fd 3409 "status = %d\n", __func__, status));
0107109e
AV		 3410
3411 /* Issue a marker after FW becomes ready. */
73208dfd 3412 qla2x00_marker(vha, req, rsp, 0, 0, MK_SYNC_ALL);
0107109e 3413
e315cd28 3414 vha->flags.online = 1;
1da177e4
LT		 3415 /* Wait at most MAX_TARGET RSCNs for a stable link. */
3416 wait_time = 256;
3417 do {
e315cd28
AC		 3418 clear_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags);
3419 qla2x00_configure_loop(vha);
1da177e4 3420 wait_time--;
e315cd28
AC		 3421 } while (!atomic_read(&vha->loop_down_timer) &&
3422 !(test_bit(ISP_ABORT_NEEDED, &vha->dpc_flags))
3423 && wait_time && (test_bit(LOOP_RESYNC_NEEDED,
3424 &vha->dpc_flags)));
1da177e4
LT		 3425 }
3426
3427 /* if no cable then assume it's good */
e315cd28 3428 if ((vha->device_flags & DFLG_NO_CABLE))
1da177e4
LT		 3429 status = 0;
3430
3431 DEBUG(printk("%s(): Configure loop done, status = 0x%x\n",
3432 __func__,
744f11fd 3433 status));
1da177e4
LT		 3434 }
3435 return (status);
3436}
3437
73208dfd
AC		 3438static int
3439qla25xx_init_queues(struct qla_hw_data *ha)
3440{
3441 struct rsp_que *rsp = NULL;
3442 struct req_que *req = NULL;
3443 struct scsi_qla_host *base_vha = pci_get_drvdata(ha->pdev);
3444 int ret = -1;
3445 int i;
3446
3447 for (i = 1; i < ha->max_queues; i++) {
3448 rsp = ha->rsp_q_map[i];
3449 if (rsp) {
3450 rsp->options &= ~BIT_0;
618a7523 3451 ret = qla25xx_init_rsp_que(base_vha, rsp);
73208dfd
AC		 3452 if (ret != QLA_SUCCESS)
3453 DEBUG2_17(printk(KERN_WARNING
3454 "%s Rsp que:%d init failed\n", __func__,
3455 rsp->id));
3456 else
3457 DEBUG2_17(printk(KERN_INFO
3458 "%s Rsp que:%d inited\n", __func__,
3459 rsp->id));
3460 }
3461 req = ha->req_q_map[i];
3462 if (req) {
29bdccbe 3463 /* Clear outstanding commands array. */
73208dfd 3464 req->options &= ~BIT_0;
618a7523 3465 ret = qla25xx_init_req_que(base_vha, req);
73208dfd
AC		 3466 if (ret != QLA_SUCCESS)
3467 DEBUG2_17(printk(KERN_WARNING
3468 "%s Req que:%d init failed\n", __func__,
3469 req->id));
3470 else
3471 DEBUG2_17(printk(KERN_WARNING
29bdccbe 3472 "%s Req que:%d inited\n", __func__,
73208dfd
AC		 3473 req->id));
3474 }
3475 }
3476 return ret;
3477}
3478
1da177e4
LT		 3479/*
3480* qla2x00_reset_adapter
3481* Reset adapter.
3482*
3483* Input:
3484* ha = adapter block pointer.
3485*/
abbd8870 3486void
e315cd28 3487qla2x00_reset_adapter(scsi_qla_host_t *vha)
1da177e4
LT		 3488{
3489 unsigned long flags = 0;
e315cd28 3490 struct qla_hw_data *ha = vha->hw;
3d71644c 3491 struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
1da177e4 3492
e315cd28 3493 vha->flags.online = 0;
fd34f556 3494 ha->isp_ops->disable_intrs(ha);
1da177e4 3495
1da177e4
LT		 3496 spin_lock_irqsave(&ha->hardware_lock, flags);
3497 WRT_REG_WORD(&reg->hccr, HCCR_RESET_RISC);
3498 RD_REG_WORD(&reg->hccr); /* PCI Posting. */
3499 WRT_REG_WORD(&reg->hccr, HCCR_RELEASE_RISC);
3500 RD_REG_WORD(&reg->hccr); /* PCI Posting. */
3501 spin_unlock_irqrestore(&ha->hardware_lock, flags);
3502}
0107109e
AV		 3503
3504void
e315cd28 3505qla24xx_reset_adapter(scsi_qla_host_t *vha)
0107109e
AV		 3506{
3507 unsigned long flags = 0;
e315cd28 3508 struct qla_hw_data *ha = vha->hw;
0107109e
AV		 3509 struct device_reg_24xx __iomem *reg = &ha->iobase->isp24;
3510
e315cd28 3511 vha->flags.online = 0;
fd34f556 3512 ha->isp_ops->disable_intrs(ha);
0107109e
AV		 3513
3514 spin_lock_irqsave(&ha->hardware_lock, flags);
3515 WRT_REG_DWORD(&reg->hccr, HCCRX_SET_RISC_RESET);
3516 RD_REG_DWORD(&reg->hccr);
3517 WRT_REG_DWORD(&reg->hccr, HCCRX_REL_RISC_PAUSE);
3518 RD_REG_DWORD(&reg->hccr);
3519 spin_unlock_irqrestore(&ha->hardware_lock, flags);
09ff36d3
AV		 3520
3521 if (IS_NOPOLLING_TYPE(ha))
3522 ha->isp_ops->enable_intrs(ha);
0107109e
AV		 3523}
3524
4e08df3f
DM		 3525/* On sparc systems, obtain port and node WWN from firmware
3526 * properties.
3527 */
e315cd28
AC		 3528static void qla24xx_nvram_wwn_from_ofw(scsi_qla_host_t *vha,
3529 struct nvram_24xx *nv)
4e08df3f
DM		 3530{
3531#ifdef CONFIG_SPARC
e315cd28 3532 struct qla_hw_data *ha = vha->hw;
4e08df3f 3533 struct pci_dev *pdev = ha->pdev;
15576bc8
DM		 3534 struct device_node *dp = pci_device_to_OF_node(pdev);
3535 const u8 *val;
4e08df3f
DM		 3536 int len;
3537
3538 val = of_get_property(dp, "port-wwn", &len);
3539 if (val && len >= WWN_SIZE)
3540 memcpy(nv->port_name, val, WWN_SIZE);
3541
3542 val = of_get_property(dp, "node-wwn", &len);
3543 if (val && len >= WWN_SIZE)
3544 memcpy(nv->node_name, val, WWN_SIZE);
3545#endif
3546}
3547
0107109e 3548int
e315cd28 3549qla24xx_nvram_config(scsi_qla_host_t *vha)
0107109e 3550{
4e08df3f 3551 int rval;
0107109e
AV		 3552 struct init_cb_24xx *icb;
3553 struct nvram_24xx *nv;
3554 uint32_t *dptr;
3555 uint8_t *dptr1, *dptr2;
3556 uint32_t chksum;
3557 uint16_t cnt;
e315cd28 3558 struct qla_hw_data *ha = vha->hw;
0107109e 3559
4e08df3f 3560 rval = QLA_SUCCESS;
0107109e 3561 icb = (struct init_cb_24xx *)ha->init_cb;
281afe19 3562 nv = ha->nvram;
0107109e
AV		 3563
3564 /* Determine NVRAM starting address. */
3565 ha->nvram_size = sizeof(struct nvram_24xx);
3566 ha->nvram_base = FA_NVRAM_FUNC0_ADDR;
6f641790
AV		 3567 ha->vpd_size = FA_NVRAM_VPD_SIZE;
3568 ha->vpd_base = FA_NVRAM_VPD0_ADDR;
3569 if (PCI_FUNC(ha->pdev->devfn)) {
0107109e 3570 ha->nvram_base = FA_NVRAM_FUNC1_ADDR;
6f641790
AV		 3571 ha->vpd_base = FA_NVRAM_VPD1_ADDR;
3572 }
0107109e 3573
281afe19
SJ		 3574 /* Get VPD data into cache */
3575 ha->vpd = ha->nvram + VPD_OFFSET;
e315cd28 3576 ha->isp_ops->read_nvram(vha, (uint8_t *)ha->vpd,
281afe19
SJ		 3577 ha->nvram_base - FA_NVRAM_FUNC0_ADDR, FA_NVRAM_VPD_SIZE * 4);
3578
3579 /* Get NVRAM data into cache and calculate checksum. */
0107109e 3580 dptr = (uint32_t *)nv;
e315cd28 3581 ha->isp_ops->read_nvram(vha, (uint8_t *)dptr, ha->nvram_base,
0107109e
AV		 3582 ha->nvram_size);
3583 for (cnt = 0, chksum = 0; cnt < ha->nvram_size >> 2; cnt++)
3584 chksum += le32_to_cpu(*dptr++);
3585
3586 DEBUG5(printk("scsi(%ld): Contents of NVRAM\n", ha->host_no));
281afe19 3587 DEBUG5(qla2x00_dump_buffer((uint8_t *)nv, ha->nvram_size));
0107109e
AV		 3588
3589 /* Bad NVRAM data, set defaults parameters. */
3590 if (chksum || nv->id[0] != 'I' || nv->id[1] != 'S' || nv->id[2] != 'P'
3591 || nv->id[3] != ' ' ||
3592 nv->nvram_version < __constant_cpu_to_le16(ICB_VERSION)) {
3593 /* Reset NVRAM data. */
3594 qla_printk(KERN_WARNING, ha, "Inconsistent NVRAM detected: "
3595 "checksum=0x%x id=%c version=0x%x.\n", chksum, nv->id[0],
3596 le16_to_cpu(nv->nvram_version));
4e08df3f
DM		 3597 qla_printk(KERN_WARNING, ha, "Falling back to functioning (yet "
3598 "invalid -- WWPN) defaults.\n");
3599
3600 /*
3601 * Set default initialization control block.
3602 */
3603 memset(nv, 0, ha->nvram_size);
3604 nv->nvram_version = __constant_cpu_to_le16(ICB_VERSION);
3605 nv->version = __constant_cpu_to_le16(ICB_VERSION);
3606 nv->frame_payload_size = __constant_cpu_to_le16(2048);
3607 nv->execution_throttle = __constant_cpu_to_le16(0xFFFF);
3608 nv->exchange_count = __constant_cpu_to_le16(0);
3609 nv->hard_address = __constant_cpu_to_le16(124);
3610 nv->port_name[0] = 0x21;
3611 nv->port_name[1] = 0x00 + PCI_FUNC(ha->pdev->devfn);
3612 nv->port_name[2] = 0x00;
3613 nv->port_name[3] = 0xe0;
3614 nv->port_name[4] = 0x8b;
3615 nv->port_name[5] = 0x1c;
3616 nv->port_name[6] = 0x55;
3617 nv->port_name[7] = 0x86;
3618 nv->node_name[0] = 0x20;
3619 nv->node_name[1] = 0x00;
3620 nv->node_name[2] = 0x00;
3621 nv->node_name[3] = 0xe0;
3622 nv->node_name[4] = 0x8b;
3623 nv->node_name[5] = 0x1c;
3624 nv->node_name[6] = 0x55;
3625 nv->node_name[7] = 0x86;
e315cd28 3626 qla24xx_nvram_wwn_from_ofw(vha, nv);
4e08df3f
DM		 3627 nv->login_retry_count = __constant_cpu_to_le16(8);
3628 nv->interrupt_delay_timer = __constant_cpu_to_le16(0);
3629 nv->login_timeout = __constant_cpu_to_le16(0);
3630 nv->firmware_options_1 =
3631 __constant_cpu_to_le32(BIT_14|BIT_13|BIT_2|BIT_1);
3632 nv->firmware_options_2 = __constant_cpu_to_le32(2 << 4);
3633 nv->firmware_options_2 |= __constant_cpu_to_le32(BIT_12);
3634 nv->firmware_options_3 = __constant_cpu_to_le32(2 << 13);
3635 nv->host_p = __constant_cpu_to_le32(BIT_11|BIT_10);
3636 nv->efi_parameters = __constant_cpu_to_le32(0);
3637 nv->reset_delay = 5;
3638 nv->max_luns_per_target = __constant_cpu_to_le16(128);
3639 nv->port_down_retry_count = __constant_cpu_to_le16(30);
3640 nv->link_down_timeout = __constant_cpu_to_le16(30);
3641
3642 rval = 1;
0107109e
AV		 3643 }
3644
3645 /* Reset Initialization control block */
e315cd28 3646 memset(icb, 0, ha->init_cb_size);
0107109e
AV		 3647
3648 /* Copy 1st segment. */
3649 dptr1 = (uint8_t *)icb;
3650 dptr2 = (uint8_t *)&nv->version;
3651 cnt = (uint8_t *)&icb->response_q_inpointer - (uint8_t *)&icb->version;
3652 while (cnt--)
3653 *dptr1++ = *dptr2++;
3654
3655 icb->login_retry_count = nv->login_retry_count;
3ea66e28 3656 icb->link_down_on_nos = nv->link_down_on_nos;
0107109e
AV		 3657
3658 /* Copy 2nd segment. */
3659 dptr1 = (uint8_t *)&icb->interrupt_delay_timer;
3660 dptr2 = (uint8_t *)&nv->interrupt_delay_timer;
3661 cnt = (uint8_t *)&icb->reserved_3 -
3662 (uint8_t *)&icb->interrupt_delay_timer;
3663 while (cnt--)
3664 *dptr1++ = *dptr2++;
3665
3666 /*
3667 * Setup driver NVRAM options.
3668 */
e315cd28 3669 qla2x00_set_model_info(vha, nv->model_name, sizeof(nv->model_name),
9bb9fcf2 3670 "QLA2462");
0107109e 3671
5341e868
AV		 3672 /* Use alternate WWN? */
3673 if (nv->host_p & __constant_cpu_to_le32(BIT_15)) {
3674 memcpy(icb->node_name, nv->alternate_node_name, WWN_SIZE);
3675 memcpy(icb->port_name, nv->alternate_port_name, WWN_SIZE);
3676 }
3677
0107109e 3678 /* Prepare nodename */
fd0e7e4d 3679 if ((icb->firmware_options_1 & __constant_cpu_to_le32(BIT_14)) == 0) {
0107109e
AV		 3680 /*
3681 * Firmware will apply the following mask if the nodename was
3682 * not provided.
3683 */
3684 memcpy(icb->node_name, icb->port_name, WWN_SIZE);
3685 icb->node_name[0] &= 0xF0;
3686 }
3687
3688 /* Set host adapter parameters. */
3689 ha->flags.disable_risc_code_load = 0;
0c8c39af
AV		 3690 ha->flags.enable_lip_reset = 0;
3691 ha->flags.enable_lip_full_login =
3692 le32_to_cpu(nv->host_p) & BIT_10 ? 1: 0;
3693 ha->flags.enable_target_reset =
3694 le32_to_cpu(nv->host_p) & BIT_11 ? 1: 0;
0107109e 3695 ha->flags.enable_led_scheme = 0;
d4c760c2 3696 ha->flags.disable_serdes = le32_to_cpu(nv->host_p) & BIT_5 ? 1: 0;
0107109e 3697
fd0e7e4d
AV		 3698 ha->operating_mode = (le32_to_cpu(icb->firmware_options_2) &
3699 (BIT_6 | BIT_5 | BIT_4)) >> 4;
0107109e
AV		 3700
3701 memcpy(ha->fw_seriallink_options24, nv->seriallink_options,
3702 sizeof(ha->fw_seriallink_options24));
3703
3704 /* save HBA serial number */
3705 ha->serial0 = icb->port_name[5];
3706 ha->serial1 = icb->port_name[6];
3707 ha->serial2 = icb->port_name[7];
e315cd28
AC		 3708 memcpy(vha->node_name, icb->node_name, WWN_SIZE);
3709 memcpy(vha->port_name, icb->port_name, WWN_SIZE);
0107109e 3710
bc8fb3cb
AV		 3711 icb->execution_throttle = __constant_cpu_to_le16(0xFFFF);
3712
0107109e
AV		 3713 ha->retry_count = le16_to_cpu(nv->login_retry_count);
3714
3715 /* Set minimum login_timeout to 4 seconds. */
3716 if (le16_to_cpu(nv->login_timeout) < ql2xlogintimeout)
3717 nv->login_timeout = cpu_to_le16(ql2xlogintimeout);
3718 if (le16_to_cpu(nv->login_timeout) < 4)
3719 nv->login_timeout = __constant_cpu_to_le16(4);
3720 ha->login_timeout = le16_to_cpu(nv->login_timeout);
c6852c4c 3721 icb->login_timeout = nv->login_timeout;
0107109e 3722
00a537b8
AV		 3723 /* Set minimum RATOV to 100 tenths of a second. */
3724 ha->r_a_tov = 100;
0107109e
AV		 3725
3726 ha->loop_reset_delay = nv->reset_delay;
3727
3728 /* Link Down Timeout = 0:
3729 *
3730 * When Port Down timer expires we will start returning
3731 * I/O's to OS with "DID_NO_CONNECT".
3732 *
3733 * Link Down Timeout != 0:
3734 *
3735 * The driver waits for the link to come up after link down
3736 * before returning I/Os to OS with "DID_NO_CONNECT".
3737 */
3738 if (le16_to_cpu(nv->link_down_timeout) == 0) {
3739 ha->loop_down_abort_time =
3740 (LOOP_DOWN_TIME - LOOP_DOWN_TIMEOUT);
3741 } else {
3742 ha->link_down_timeout = le16_to_cpu(nv->link_down_timeout);
3743 ha->loop_down_abort_time =
3744 (LOOP_DOWN_TIME - ha->link_down_timeout);
3745 }
3746
3747 /* Need enough time to try and get the port back. */
3748 ha->port_down_retry_count = le16_to_cpu(nv->port_down_retry_count);
3749 if (qlport_down_retry)
3750 ha->port_down_retry_count = qlport_down_retry;
3751
3752 /* Set login_retry_count */
3753 ha->login_retry_count = le16_to_cpu(nv->login_retry_count);
3754 if (ha->port_down_retry_count ==
3755 le16_to_cpu(nv->port_down_retry_count) &&
3756 ha->port_down_retry_count > 3)
3757 ha->login_retry_count = ha->port_down_retry_count;
3758 else if (ha->port_down_retry_count > (int)ha->login_retry_count)
3759 ha->login_retry_count = ha->port_down_retry_count;
3760 if (ql2xloginretrycount)
3761 ha->login_retry_count = ql2xloginretrycount;
3762
4fdfefe5 3763 /* Enable ZIO. */
e315cd28 3764 if (!vha->flags.init_done) {
4fdfefe5
AV		 3765 ha->zio_mode = le32_to_cpu(icb->firmware_options_2) &
3766 (BIT_3 | BIT_2 | BIT_1 | BIT_0);
3767 ha->zio_timer = le16_to_cpu(icb->interrupt_delay_timer) ?
3768 le16_to_cpu(icb->interrupt_delay_timer): 2;
3769 }
3770 icb->firmware_options_2 &= __constant_cpu_to_le32(
3771 ~(BIT_3 | BIT_2 | BIT_1 | BIT_0));
e315cd28 3772 vha->flags.process_response_queue = 0;
4fdfefe5 3773 if (ha->zio_mode != QLA_ZIO_DISABLED) {
4a59f71d
AV		 3774 ha->zio_mode = QLA_ZIO_MODE_6;
3775
4fdfefe5 3776 DEBUG2(printk("scsi(%ld): ZIO mode %d enabled; timer delay "
e315cd28 3777 "(%d us).\n", vha->host_no, ha->zio_mode,
4fdfefe5
AV		 3778 ha->zio_timer * 100));
3779 qla_printk(KERN_INFO, ha,
3780 "ZIO mode %d enabled; timer delay (%d us).\n",
3781 ha->zio_mode, ha->zio_timer * 100);
3782
3783 icb->firmware_options_2 |= cpu_to_le32(
3784 (uint32_t)ha->zio_mode);
3785 icb->interrupt_delay_timer = cpu_to_le16(ha->zio_timer);
e315cd28 3786 vha->flags.process_response_queue = 1;
4fdfefe5
AV		 3787 }
3788
4e08df3f
DM		 3789 if (rval) {
3790 DEBUG2_3(printk(KERN_WARNING
e315cd28 3791 "scsi(%ld): NVRAM configuration failed!\n", vha->host_no));
4e08df3f
DM		 3792 }
3793 return (rval);
0107109e
AV		 3794}
3795
413975a0 3796static int
e315cd28 3797qla24xx_load_risc_flash(scsi_qla_host_t *vha, uint32_t *srisc_addr)
d1c61909 3798{
73208dfd 3799 int rval = QLA_SUCCESS;
d1c61909
AV		 3800 int segments, fragment;
3801 uint32_t faddr;
3802 uint32_t *dcode, dlen;
3803 uint32_t risc_addr;
3804 uint32_t risc_size;
3805 uint32_t i;
e315cd28 3806 struct qla_hw_data *ha = vha->hw;
73208dfd 3807 struct req_que *req = ha->req_q_map[0];
eaac30be
AV		 3808
3809 qla_printk(KERN_INFO, ha,
3810 "FW: Loading from flash (%x)...\n", ha->flt_region_fw);
3811
d1c61909
AV		 3812 rval = QLA_SUCCESS;
3813
3814 segments = FA_RISC_CODE_SEGMENTS;
c00d8994 3815 faddr = ha->flt_region_fw;
73208dfd 3816 dcode = (uint32_t *)req->ring;
d1c61909
AV		 3817 *srisc_addr = 0;
3818
3819 /* Validate firmware image by checking version. */
e315cd28 3820 qla24xx_read_flash_data(vha, dcode, faddr + 4, 4);
d1c61909
AV		 3821 for (i = 0; i < 4; i++)
3822 dcode[i] = be32_to_cpu(dcode[i]);
3823 if ((dcode[0] == 0xffffffff && dcode[1] == 0xffffffff &&
3824 dcode[2] == 0xffffffff && dcode[3] == 0xffffffff) ||
3825 (dcode[0] == 0 && dcode[1] == 0 && dcode[2] == 0 &&
3826 dcode[3] == 0)) {
3827 qla_printk(KERN_WARNING, ha,
3828 "Unable to verify integrity of flash firmware image!\n");
3829 qla_printk(KERN_WARNING, ha,
3830 "Firmware data: %08x %08x %08x %08x!\n", dcode[0],
3831 dcode[1], dcode[2], dcode[3]);
3832
3833 return QLA_FUNCTION_FAILED;
3834 }
3835
3836 while (segments && rval == QLA_SUCCESS) {
3837 /* Read segment's load information. */
e315cd28 3838 qla24xx_read_flash_data(vha, dcode, faddr, 4);
d1c61909
AV		 3839
3840 risc_addr = be32_to_cpu(dcode[2]);
3841 *srisc_addr = *srisc_addr == 0 ? risc_addr : *srisc_addr;
3842 risc_size = be32_to_cpu(dcode[3]);
3843
3844 fragment = 0;
3845 while (risc_size > 0 && rval == QLA_SUCCESS) {
3846 dlen = (uint32_t)(ha->fw_transfer_size >> 2);
3847 if (dlen > risc_size)
3848 dlen = risc_size;
3849
3850 DEBUG7(printk("scsi(%ld): Loading risc segment@ risc "
3851 "addr %x, number of dwords 0x%x, offset 0x%x.\n",
e315cd28 3852 vha->host_no, risc_addr, dlen, faddr));
d1c61909 3853
e315cd28 3854 qla24xx_read_flash_data(vha, dcode, faddr, dlen);
d1c61909
AV		 3855 for (i = 0; i < dlen; i++)
3856 dcode[i] = swab32(dcode[i]);
3857
73208dfd 3858 rval = qla2x00_load_ram(vha, req->dma, risc_addr,
d1c61909
AV		 3859 dlen);
3860 if (rval) {
3861 DEBUG(printk("scsi(%ld):[ERROR] Failed to load "
e315cd28 3862 "segment %d of firmware\n", vha->host_no,
d1c61909
AV		 3863 fragment));
3864 qla_printk(KERN_WARNING, ha,
3865 "[ERROR] Failed to load segment %d of "
3866 "firmware\n", fragment);
3867 break;
3868 }
3869
3870 faddr += dlen;
3871 risc_addr += dlen;
3872 risc_size -= dlen;
3873 fragment++;
3874 }
3875
3876 /* Next segment. */
3877 segments--;
3878 }
3879
3880 return rval;
3881}
3882
d1c61909
AV		 3883#define QLA_FW_URL "ftp://ftp.qlogic.com/outgoing/linux/firmware/"
3884
0107109e 3885int
e315cd28 3886qla2x00_load_risc(scsi_qla_host_t *vha, uint32_t *srisc_addr)
5433383e
AV		 3887{
3888 int rval;
3889 int i, fragment;
3890 uint16_t *wcode, *fwcode;
3891 uint32_t risc_addr, risc_size, fwclen, wlen, *seg;
3892 struct fw_blob *blob;
e315cd28 3893 struct qla_hw_data *ha = vha->hw;
73208dfd 3894 struct req_que *req = ha->req_q_map[0];
5433383e
AV		 3895
3896 /* Load firmware blob. */
e315cd28 3897 blob = qla2x00_request_firmware(vha);
5433383e
AV		 3898 if (!blob) {
3899 qla_printk(KERN_ERR, ha, "Firmware image unavailable.\n");
d1c61909
AV		 3900 qla_printk(KERN_ERR, ha, "Firmware images can be retrieved "
3901 "from: " QLA_FW_URL ".\n");
5433383e
AV		 3902 return QLA_FUNCTION_FAILED;
3903 }
3904
3905 rval = QLA_SUCCESS;
3906
73208dfd 3907 wcode = (uint16_t *)req->ring;
5433383e
AV		 3908 *srisc_addr = 0;
3909 fwcode = (uint16_t *)blob->fw->data;
3910 fwclen = 0;
3911
3912 /* Validate firmware image by checking version. */
3913 if (blob->fw->size < 8 * sizeof(uint16_t)) {
3914 qla_printk(KERN_WARNING, ha,
3915 "Unable to verify integrity of firmware image (%Zd)!\n",
3916 blob->fw->size);
3917 goto fail_fw_integrity;
3918 }
3919 for (i = 0; i < 4; i++)
3920 wcode[i] = be16_to_cpu(fwcode[i + 4]);
3921 if ((wcode[0] == 0xffff && wcode[1] == 0xffff && wcode[2] == 0xffff &&
3922 wcode[3] == 0xffff) || (wcode[0] == 0 && wcode[1] == 0 &&
3923 wcode[2] == 0 && wcode[3] == 0)) {
3924 qla_printk(KERN_WARNING, ha,
3925 "Unable to verify integrity of firmware image!\n");
3926 qla_printk(KERN_WARNING, ha,
3927 "Firmware data: %04x %04x %04x %04x!\n", wcode[0],
3928 wcode[1], wcode[2], wcode[3]);
3929 goto fail_fw_integrity;
3930 }
3931
3932 seg = blob->segs;
3933 while (*seg && rval == QLA_SUCCESS) {
3934 risc_addr = *seg;
3935 *srisc_addr = *srisc_addr == 0 ? *seg : *srisc_addr;
3936 risc_size = be16_to_cpu(fwcode[3]);
3937
3938 /* Validate firmware image size. */
3939 fwclen += risc_size * sizeof(uint16_t);
3940 if (blob->fw->size < fwclen) {
3941 qla_printk(KERN_WARNING, ha,
3942 "Unable to verify integrity of firmware image "
3943 "(%Zd)!\n", blob->fw->size);
3944 goto fail_fw_integrity;
3945 }
3946
3947 fragment = 0;
3948 while (risc_size > 0 && rval == QLA_SUCCESS) {
3949 wlen = (uint16_t)(ha->fw_transfer_size >> 1);
3950 if (wlen > risc_size)
3951 wlen = risc_size;
3952
3953 DEBUG7(printk("scsi(%ld): Loading risc segment@ risc "
e315cd28 3954 "addr %x, number of words 0x%x.\n", vha->host_no,
5433383e
AV		 3955 risc_addr, wlen));
3956
3957 for (i = 0; i < wlen; i++)
3958 wcode[i] = swab16(fwcode[i]);
3959
73208dfd 3960 rval = qla2x00_load_ram(vha, req->dma, risc_addr,
5433383e
AV		 3961 wlen);
3962 if (rval) {
3963 DEBUG(printk("scsi(%ld):[ERROR] Failed to load "
e315cd28 3964 "segment %d of firmware\n", vha->host_no,
5433383e
AV		 3965 fragment));
3966 qla_printk(KERN_WARNING, ha,
3967 "[ERROR] Failed to load segment %d of "
3968 "firmware\n", fragment);
3969 break;
3970 }
3971
3972 fwcode += wlen;
3973 risc_addr += wlen;
3974 risc_size -= wlen;
3975 fragment++;
3976 }
3977
3978 /* Next segment. */
3979 seg++;
3980 }
3981 return rval;
3982
3983fail_fw_integrity:
3984 return QLA_FUNCTION_FAILED;
3985}
3986
eaac30be
AV		 3987static int
3988qla24xx_load_risc_blob(scsi_qla_host_t *vha, uint32_t *srisc_addr)
0107109e
AV		 3989{
3990 int rval;
3991 int segments, fragment;
3992 uint32_t *dcode, dlen;
3993 uint32_t risc_addr;
3994 uint32_t risc_size;
3995 uint32_t i;
5433383e 3996 struct fw_blob *blob;
0107109e 3997 uint32_t *fwcode, fwclen;
e315cd28 3998 struct qla_hw_data *ha = vha->hw;
73208dfd 3999 struct req_que *req = ha->req_q_map[0];
0107109e 4000
5433383e 4001 /* Load firmware blob. */
e315cd28 4002 blob = qla2x00_request_firmware(vha);
5433383e
AV		 4003 if (!blob) {
4004 qla_printk(KERN_ERR, ha, "Firmware image unavailable.\n");
d1c61909
AV		 4005 qla_printk(KERN_ERR, ha, "Firmware images can be retrieved "
4006 "from: " QLA_FW_URL ".\n");
4007
eaac30be 4008 return QLA_FUNCTION_FAILED;
0107109e
AV		 4009 }
4010
eaac30be
AV		 4011 qla_printk(KERN_INFO, ha,
4012 "FW: Loading via request-firmware...\n");
4013
0107109e
AV		 4014 rval = QLA_SUCCESS;
4015
4016 segments = FA_RISC_CODE_SEGMENTS;
73208dfd 4017 dcode = (uint32_t *)req->ring;
0107109e 4018 *srisc_addr = 0;
5433383e 4019 fwcode = (uint32_t *)blob->fw->data;
0107109e
AV		 4020 fwclen = 0;
4021
4022 /* Validate firmware image by checking version. */
5433383e 4023 if (blob->fw->size < 8 * sizeof(uint32_t)) {
0107109e 4024 qla_printk(KERN_WARNING, ha,
5433383e
AV		 4025 "Unable to verify integrity of firmware image (%Zd)!\n",
4026 blob->fw->size);
0107109e
AV		 4027 goto fail_fw_integrity;
4028 }
4029 for (i = 0; i < 4; i++)
4030 dcode[i] = be32_to_cpu(fwcode[i + 4]);
4031 if ((dcode[0] == 0xffffffff && dcode[1] == 0xffffffff &&
4032 dcode[2] == 0xffffffff && dcode[3] == 0xffffffff) ||
4033 (dcode[0] == 0 && dcode[1] == 0 && dcode[2] == 0 &&
4034 dcode[3] == 0)) {
4035 qla_printk(KERN_WARNING, ha,
5433383e 4036 "Unable to verify integrity of firmware image!\n");
0107109e
AV		 4037 qla_printk(KERN_WARNING, ha,
4038 "Firmware data: %08x %08x %08x %08x!\n", dcode[0],
4039 dcode[1], dcode[2], dcode[3]);
4040 goto fail_fw_integrity;
4041 }
4042
4043 while (segments && rval == QLA_SUCCESS) {
4044 risc_addr = be32_to_cpu(fwcode[2]);
4045 *srisc_addr = *srisc_addr == 0 ? risc_addr : *srisc_addr;
4046 risc_size = be32_to_cpu(fwcode[3]);
4047
4048 /* Validate firmware image size. */
4049 fwclen += risc_size * sizeof(uint32_t);
5433383e 4050 if (blob->fw->size < fwclen) {
0107109e 4051 qla_printk(KERN_WARNING, ha,
5433383e
AV		 4052 "Unable to verify integrity of firmware image "
4053 "(%Zd)!\n", blob->fw->size);
4054
0107109e
AV		 4055 goto fail_fw_integrity;
4056 }
4057
4058 fragment = 0;
4059 while (risc_size > 0 && rval == QLA_SUCCESS) {
4060 dlen = (uint32_t)(ha->fw_transfer_size >> 2);
4061 if (dlen > risc_size)
4062 dlen = risc_size;
4063
4064 DEBUG7(printk("scsi(%ld): Loading risc segment@ risc "
e315cd28 4065 "addr %x, number of dwords 0x%x.\n", vha->host_no,
0107109e
AV		 4066 risc_addr, dlen));
4067
4068 for (i = 0; i < dlen; i++)
4069 dcode[i] = swab32(fwcode[i]);
4070
73208dfd 4071 rval = qla2x00_load_ram(vha, req->dma, risc_addr,
590f98e5 4072 dlen);
0107109e
AV		 4073 if (rval) {
4074 DEBUG(printk("scsi(%ld):[ERROR] Failed to load "
e315cd28 4075 "segment %d of firmware\n", vha->host_no,
0107109e
AV		 4076 fragment));
4077 qla_printk(KERN_WARNING, ha,
4078 "[ERROR] Failed to load segment %d of "
4079 "firmware\n", fragment);
4080 break;
4081 }
4082
4083 fwcode += dlen;
4084 risc_addr += dlen;
4085 risc_size -= dlen;
4086 fragment++;
4087 }
4088
4089 /* Next segment. */
4090 segments--;
4091 }
0107109e
AV		 4092 return rval;
4093
4094fail_fw_integrity:
0107109e 4095 return QLA_FUNCTION_FAILED;
0107109e 4096}
18c6c127 4097
eaac30be
AV		 4098int
4099qla24xx_load_risc(scsi_qla_host_t *vha, uint32_t *srisc_addr)
4100{
4101 int rval;
4102
4103 /*
4104 * FW Load priority:
4105 * 1) Firmware via request-firmware interface (.bin file).
4106 * 2) Firmware residing in flash.
4107 */
4108 rval = qla24xx_load_risc_blob(vha, srisc_addr);
4109 if (rval == QLA_SUCCESS)
4110 return rval;
4111
4112 return qla24xx_load_risc_flash(vha, srisc_addr);
4113}
4114
4115int
4116qla81xx_load_risc(scsi_qla_host_t *vha, uint32_t *srisc_addr)
4117{
4118 int rval;
4119
4120 /*
4121 * FW Load priority:
4122 * 1) Firmware residing in flash.
4123 * 2) Firmware via request-firmware interface (.bin file).
4124 */
4125 rval = qla24xx_load_risc_flash(vha, srisc_addr);
4126 if (rval == QLA_SUCCESS)
4127 return rval;
4128
4129 return qla24xx_load_risc_blob(vha, srisc_addr);
4130}
4131
18c6c127 4132void
e315cd28 4133qla2x00_try_to_stop_firmware(scsi_qla_host_t *vha)
18c6c127
AV		 4134{
4135 int ret, retries;
e315cd28 4136 struct qla_hw_data *ha = vha->hw;
18c6c127 4137
e428924c 4138 if (!IS_FWI2_CAPABLE(ha))
18c6c127 4139 return;
75edf81d
AV		 4140 if (!ha->fw_major_version)
4141 return;
18c6c127 4142
e315cd28 4143 ret = qla2x00_stop_firmware(vha);
7c7f1f29
AV		 4144 for (retries = 5; ret != QLA_SUCCESS && ret != QLA_FUNCTION_TIMEOUT &&
4145 retries ; retries--) {
e315cd28
AC		 4146 ha->isp_ops->reset_chip(vha);
4147 if (ha->isp_ops->chip_diag(vha) != QLA_SUCCESS)
18c6c127 4148 continue;
e315cd28 4149 if (qla2x00_setup_chip(vha) != QLA_SUCCESS)
18c6c127
AV		 4150 continue;
4151 qla_printk(KERN_INFO, ha,
4152 "Attempting retry of stop-firmware command...\n");
e315cd28 4153 ret = qla2x00_stop_firmware(vha);
18c6c127
AV		 4154 }
4155}
2c3dfe3f
SJ		 4156
4157int
e315cd28 4158qla24xx_configure_vhba(scsi_qla_host_t *vha)
2c3dfe3f
SJ		 4159{
4160 int rval = QLA_SUCCESS;
4161 uint16_t mb[MAILBOX_REGISTER_COUNT];
e315cd28
AC		 4162 struct qla_hw_data *ha = vha->hw;
4163 struct scsi_qla_host *base_vha = pci_get_drvdata(ha->pdev);
29bdccbe
AC		 4164 struct req_que *req = ha->req_q_map[vha->req_ques[0]];
4165 struct rsp_que *rsp = req->rsp;
2c3dfe3f 4166
e315cd28 4167 if (!vha->vp_idx)
2c3dfe3f
SJ		 4168 return -EINVAL;
4169
e315cd28 4170 rval = qla2x00_fw_ready(base_vha);
2c3dfe3f 4171 if (rval == QLA_SUCCESS) {
e315cd28 4172 clear_bit(RESET_MARKER_NEEDED, &vha->dpc_flags);
73208dfd 4173 qla2x00_marker(vha, req, rsp, 0, 0, MK_SYNC_ALL);
2c3dfe3f
SJ		 4174 }
4175
e315cd28 4176 vha->flags.management_server_logged_in = 0;
2c3dfe3f
SJ		 4177
4178 /* Login to SNS first */
e315cd28 4179 ha->isp_ops->fabric_login(vha, NPH_SNS, 0xff, 0xff, 0xfc, mb, BIT_1);
2c3dfe3f
SJ		 4180 if (mb[0] != MBS_COMMAND_COMPLETE) {
4181 DEBUG15(qla_printk(KERN_INFO, ha,
4182 "Failed SNS login: loop_id=%x mb[0]=%x mb[1]=%x "
4183 "mb[2]=%x mb[6]=%x mb[7]=%x\n", NPH_SNS,
4184 mb[0], mb[1], mb[2], mb[6], mb[7]));
4185 return (QLA_FUNCTION_FAILED);
4186 }
4187
e315cd28
AC		 4188 atomic_set(&vha->loop_down_timer, 0);
4189 atomic_set(&vha->loop_state, LOOP_UP);
4190 set_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags);
4191 set_bit(LOCAL_LOOP_UPDATE, &vha->dpc_flags);
4192 rval = qla2x00_loop_resync(base_vha);
2c3dfe3f
SJ		 4193
4194 return rval;
4195}
4d4df193
HK		 4196
4197/* 84XX Support **************************************************************/
4198
4199static LIST_HEAD(qla_cs84xx_list);
4200static DEFINE_MUTEX(qla_cs84xx_mutex);
4201
4202static struct qla_chip_state_84xx *
e315cd28 4203qla84xx_get_chip(struct scsi_qla_host *vha)
4d4df193
HK		 4204{
4205 struct qla_chip_state_84xx *cs84xx;
e315cd28 4206 struct qla_hw_data *ha = vha->hw;
4d4df193
HK		 4207
4208 mutex_lock(&qla_cs84xx_mutex);
4209
4210 /* Find any shared 84xx chip. */
4211 list_for_each_entry(cs84xx, &qla_cs84xx_list, list) {
4212 if (cs84xx->bus == ha->pdev->bus) {
4213 kref_get(&cs84xx->kref);
4214 goto done;
4215 }
4216 }
4217
4218 cs84xx = kzalloc(sizeof(*cs84xx), GFP_KERNEL);
4219 if (!cs84xx)
4220 goto done;
4221
4222 kref_init(&cs84xx->kref);
4223 spin_lock_init(&cs84xx->access_lock);
4224 mutex_init(&cs84xx->fw_update_mutex);
4225 cs84xx->bus = ha->pdev->bus;
4226
4227 list_add_tail(&cs84xx->list, &qla_cs84xx_list);
4228done:
4229 mutex_unlock(&qla_cs84xx_mutex);
4230 return cs84xx;
4231}
4232
4233static void
4234__qla84xx_chip_release(struct kref *kref)
4235{
4236 struct qla_chip_state_84xx *cs84xx =
4237 container_of(kref, struct qla_chip_state_84xx, kref);
4238
4239 mutex_lock(&qla_cs84xx_mutex);
4240 list_del(&cs84xx->list);
4241 mutex_unlock(&qla_cs84xx_mutex);
4242 kfree(cs84xx);
4243}
4244
4245void
e315cd28 4246qla84xx_put_chip(struct scsi_qla_host *vha)
4d4df193 4247{
e315cd28 4248 struct qla_hw_data *ha = vha->hw;
4d4df193
HK		 4249 if (ha->cs84xx)
4250 kref_put(&ha->cs84xx->kref, __qla84xx_chip_release);
4251}
4252
4253static int
e315cd28 4254qla84xx_init_chip(scsi_qla_host_t *vha)
4d4df193
HK		 4255{
4256 int rval;
4257 uint16_t status[2];
e315cd28 4258 struct qla_hw_data *ha = vha->hw;
4d4df193
HK		 4259
4260 mutex_lock(&ha->cs84xx->fw_update_mutex);
4261
e315cd28 4262 rval = qla84xx_verify_chip(vha, status);
4d4df193
HK		 4263
4264 mutex_unlock(&ha->cs84xx->fw_update_mutex);
4265
4266 return rval != QLA_SUCCESS || status[0] ? QLA_FUNCTION_FAILED:
4267 QLA_SUCCESS;
4268}
3a03eb79
AV		 4269
4270/* 81XX Support **************************************************************/
4271
4272int
4273qla81xx_nvram_config(scsi_qla_host_t *vha)
4274{
4275 int rval;
4276 struct init_cb_81xx *icb;
4277 struct nvram_81xx *nv;
4278 uint32_t *dptr;
4279 uint8_t *dptr1, *dptr2;
4280 uint32_t chksum;
4281 uint16_t cnt;
4282 struct qla_hw_data *ha = vha->hw;
4283
4284 rval = QLA_SUCCESS;
4285 icb = (struct init_cb_81xx *)ha->init_cb;
4286 nv = ha->nvram;
4287
4288 /* Determine NVRAM starting address. */
4289 ha->nvram_size = sizeof(struct nvram_81xx);
3a03eb79 4290 ha->vpd_size = FA_NVRAM_VPD_SIZE;
3a03eb79
AV		 4291
4292 /* Get VPD data into cache */
4293 ha->vpd = ha->nvram + VPD_OFFSET;
3d79038f
AV		 4294 ha->isp_ops->read_optrom(vha, ha->vpd, ha->flt_region_vpd << 2,
4295 ha->vpd_size);
3a03eb79
AV		 4296
4297 /* Get NVRAM data into cache and calculate checksum. */
3d79038f 4298 ha->isp_ops->read_optrom(vha, ha->nvram, ha->flt_region_nvram << 2,
3a03eb79 4299 ha->nvram_size);
3d79038f 4300 dptr = (uint32_t *)nv;
3a03eb79
AV		 4301 for (cnt = 0, chksum = 0; cnt < ha->nvram_size >> 2; cnt++)
4302 chksum += le32_to_cpu(*dptr++);
4303
4304 DEBUG5(printk("scsi(%ld): Contents of NVRAM\n", ha->host_no));
4305 DEBUG5(qla2x00_dump_buffer((uint8_t *)nv, ha->nvram_size));
4306
4307 /* Bad NVRAM data, set defaults parameters. */
4308 if (chksum || nv->id[0] != 'I' || nv->id[1] != 'S' || nv->id[2] != 'P'
4309 || nv->id[3] != ' ' ||
4310 nv->nvram_version < __constant_cpu_to_le16(ICB_VERSION)) {
4311 /* Reset NVRAM data. */
4312 qla_printk(KERN_WARNING, ha, "Inconsistent NVRAM detected: "
4313 "checksum=0x%x id=%c version=0x%x.\n", chksum, nv->id[0],
4314 le16_to_cpu(nv->nvram_version));
4315 qla_printk(KERN_WARNING, ha, "Falling back to functioning (yet "
4316 "invalid -- WWPN) defaults.\n");
4317
4318 /*
4319 * Set default initialization control block.
4320 */
4321 memset(nv, 0, ha->nvram_size);
4322 nv->nvram_version = __constant_cpu_to_le16(ICB_VERSION);
4323 nv->version = __constant_cpu_to_le16(ICB_VERSION);
4324 nv->frame_payload_size = __constant_cpu_to_le16(2048);
4325 nv->execution_throttle = __constant_cpu_to_le16(0xFFFF);
4326 nv->exchange_count = __constant_cpu_to_le16(0);
4327 nv->port_name[0] = 0x21;
4328 nv->port_name[1] = 0x00 + PCI_FUNC(ha->pdev->devfn);
4329 nv->port_name[2] = 0x00;
4330 nv->port_name[3] = 0xe0;
4331 nv->port_name[4] = 0x8b;
4332 nv->port_name[5] = 0x1c;
4333 nv->port_name[6] = 0x55;
4334 nv->port_name[7] = 0x86;
4335 nv->node_name[0] = 0x20;
4336 nv->node_name[1] = 0x00;
4337 nv->node_name[2] = 0x00;
4338 nv->node_name[3] = 0xe0;
4339 nv->node_name[4] = 0x8b;
4340 nv->node_name[5] = 0x1c;
4341 nv->node_name[6] = 0x55;
4342 nv->node_name[7] = 0x86;
4343 nv->login_retry_count = __constant_cpu_to_le16(8);
4344 nv->interrupt_delay_timer = __constant_cpu_to_le16(0);
4345 nv->login_timeout = __constant_cpu_to_le16(0);
4346 nv->firmware_options_1 =
4347 __constant_cpu_to_le32(BIT_14|BIT_13|BIT_2|BIT_1);
4348 nv->firmware_options_2 = __constant_cpu_to_le32(2 << 4);
4349 nv->firmware_options_2 |= __constant_cpu_to_le32(BIT_12);
4350 nv->firmware_options_3 = __constant_cpu_to_le32(2 << 13);
4351 nv->host_p = __constant_cpu_to_le32(BIT_11|BIT_10);
4352 nv->efi_parameters = __constant_cpu_to_le32(0);
4353 nv->reset_delay = 5;
4354 nv->max_luns_per_target = __constant_cpu_to_le16(128);
4355 nv->port_down_retry_count = __constant_cpu_to_le16(30);
4356 nv->link_down_timeout = __constant_cpu_to_le16(30);
4357 nv->enode_mac[0] = 0x01;
4358 nv->enode_mac[1] = 0x02;
4359 nv->enode_mac[2] = 0x03;
4360 nv->enode_mac[3] = 0x04;
4361 nv->enode_mac[4] = 0x05;
4362 nv->enode_mac[5] = 0x06 + PCI_FUNC(ha->pdev->devfn);
4363
4364 rval = 1;
4365 }
4366
4367 /* Reset Initialization control block */
4368 memset(icb, 0, sizeof(struct init_cb_81xx));
4369
4370 /* Copy 1st segment. */
4371 dptr1 = (uint8_t *)icb;
4372 dptr2 = (uint8_t *)&nv->version;
4373 cnt = (uint8_t *)&icb->response_q_inpointer - (uint8_t *)&icb->version;
4374 while (cnt--)
4375 *dptr1++ = *dptr2++;
4376
4377 icb->login_retry_count = nv->login_retry_count;
4378
4379 /* Copy 2nd segment. */
4380 dptr1 = (uint8_t *)&icb->interrupt_delay_timer;
4381 dptr2 = (uint8_t *)&nv->interrupt_delay_timer;
4382 cnt = (uint8_t *)&icb->reserved_5 -
4383 (uint8_t *)&icb->interrupt_delay_timer;
4384 while (cnt--)
4385 *dptr1++ = *dptr2++;
4386
4387 memcpy(icb->enode_mac, nv->enode_mac, sizeof(icb->enode_mac));
4388 /* Some boards (with valid NVRAMs) still have NULL enode_mac!! */
4389 if (!memcmp(icb->enode_mac, "\0\0\0\0\0\0", sizeof(icb->enode_mac))) {
4390 icb->enode_mac[0] = 0x01;
4391 icb->enode_mac[1] = 0x02;
4392 icb->enode_mac[2] = 0x03;
4393 icb->enode_mac[3] = 0x04;
4394 icb->enode_mac[4] = 0x05;
4395 icb->enode_mac[5] = 0x06 + PCI_FUNC(ha->pdev->devfn);
4396 }
4397
b64b0e8f
AV		 4398 /* Use extended-initialization control block. */
4399 memcpy(ha->ex_init_cb, &nv->ex_version, sizeof(*ha->ex_init_cb));
4400
3a03eb79
AV		 4401 /*
4402 * Setup driver NVRAM options.
4403 */
4404 qla2x00_set_model_info(vha, nv->model_name, sizeof(nv->model_name),
4405 "QLE81XX");
4406
4407 /* Use alternate WWN? */
4408 if (nv->host_p & __constant_cpu_to_le32(BIT_15)) {
4409 memcpy(icb->node_name, nv->alternate_node_name, WWN_SIZE);
4410 memcpy(icb->port_name, nv->alternate_port_name, WWN_SIZE);
4411 }
4412
4413 /* Prepare nodename */
4414 if ((icb->firmware_options_1 & __constant_cpu_to_le32(BIT_14)) == 0) {
4415 /*
4416 * Firmware will apply the following mask if the nodename was
4417 * not provided.
4418 */
4419 memcpy(icb->node_name, icb->port_name, WWN_SIZE);
4420 icb->node_name[0] &= 0xF0;
4421 }
4422
4423 /* Set host adapter parameters. */
4424 ha->flags.disable_risc_code_load = 0;
4425 ha->flags.enable_lip_reset = 0;
4426 ha->flags.enable_lip_full_login =
4427 le32_to_cpu(nv->host_p) & BIT_10 ? 1: 0;
4428 ha->flags.enable_target_reset =
4429 le32_to_cpu(nv->host_p) & BIT_11 ? 1: 0;
4430 ha->flags.enable_led_scheme = 0;
4431 ha->flags.disable_serdes = le32_to_cpu(nv->host_p) & BIT_5 ? 1: 0;
4432
4433 ha->operating_mode = (le32_to_cpu(icb->firmware_options_2) &
4434 (BIT_6 | BIT_5 | BIT_4)) >> 4;
4435
4436 /* save HBA serial number */
4437 ha->serial0 = icb->port_name[5];
4438 ha->serial1 = icb->port_name[6];
4439 ha->serial2 = icb->port_name[7];
4440 memcpy(vha->node_name, icb->node_name, WWN_SIZE);
4441 memcpy(vha->port_name, icb->port_name, WWN_SIZE);
4442
4443 icb->execution_throttle = __constant_cpu_to_le16(0xFFFF);
4444
4445 ha->retry_count = le16_to_cpu(nv->login_retry_count);
4446
4447 /* Set minimum login_timeout to 4 seconds. */
4448 if (le16_to_cpu(nv->login_timeout) < ql2xlogintimeout)
4449 nv->login_timeout = cpu_to_le16(ql2xlogintimeout);
4450 if (le16_to_cpu(nv->login_timeout) < 4)
4451 nv->login_timeout = __constant_cpu_to_le16(4);
4452 ha->login_timeout = le16_to_cpu(nv->login_timeout);
4453 icb->login_timeout = nv->login_timeout;
4454
4455 /* Set minimum RATOV to 100 tenths of a second. */
4456 ha->r_a_tov = 100;
4457
4458 ha->loop_reset_delay = nv->reset_delay;
4459
4460 /* Link Down Timeout = 0:
4461 *
4462 * When Port Down timer expires we will start returning
4463 * I/O's to OS with "DID_NO_CONNECT".
4464 *
4465 * Link Down Timeout != 0:
4466 *
4467 * The driver waits for the link to come up after link down
4468 * before returning I/Os to OS with "DID_NO_CONNECT".
4469 */
4470 if (le16_to_cpu(nv->link_down_timeout) == 0) {
4471 ha->loop_down_abort_time =
4472 (LOOP_DOWN_TIME - LOOP_DOWN_TIMEOUT);
4473 } else {
4474 ha->link_down_timeout = le16_to_cpu(nv->link_down_timeout);
4475 ha->loop_down_abort_time =
4476 (LOOP_DOWN_TIME - ha->link_down_timeout);
4477 }
4478
4479 /* Need enough time to try and get the port back. */
4480 ha->port_down_retry_count = le16_to_cpu(nv->port_down_retry_count);
4481 if (qlport_down_retry)
4482 ha->port_down_retry_count = qlport_down_retry;
4483
4484 /* Set login_retry_count */
4485 ha->login_retry_count = le16_to_cpu(nv->login_retry_count);
4486 if (ha->port_down_retry_count ==
4487 le16_to_cpu(nv->port_down_retry_count) &&
4488 ha->port_down_retry_count > 3)
4489 ha->login_retry_count = ha->port_down_retry_count;
4490 else if (ha->port_down_retry_count > (int)ha->login_retry_count)
4491 ha->login_retry_count = ha->port_down_retry_count;
4492 if (ql2xloginretrycount)
4493 ha->login_retry_count = ql2xloginretrycount;
4494
4495 /* Enable ZIO. */
4496 if (!vha->flags.init_done) {
4497 ha->zio_mode = le32_to_cpu(icb->firmware_options_2) &
4498 (BIT_3 | BIT_2 | BIT_1 | BIT_0);
4499 ha->zio_timer = le16_to_cpu(icb->interrupt_delay_timer) ?
4500 le16_to_cpu(icb->interrupt_delay_timer): 2;
4501 }
4502 icb->firmware_options_2 &= __constant_cpu_to_le32(
4503 ~(BIT_3 | BIT_2 | BIT_1 | BIT_0));
4504 vha->flags.process_response_queue = 0;
4505 if (ha->zio_mode != QLA_ZIO_DISABLED) {
4506 ha->zio_mode = QLA_ZIO_MODE_6;
4507
4508 DEBUG2(printk("scsi(%ld): ZIO mode %d enabled; timer delay "
4509 "(%d us).\n", vha->host_no, ha->zio_mode,
4510 ha->zio_timer * 100));
4511 qla_printk(KERN_INFO, ha,
4512 "ZIO mode %d enabled; timer delay (%d us).\n",
4513 ha->zio_mode, ha->zio_timer * 100);
4514
4515 icb->firmware_options_2 |= cpu_to_le32(
4516 (uint32_t)ha->zio_mode);
4517 icb->interrupt_delay_timer = cpu_to_le16(ha->zio_timer);
4518 vha->flags.process_response_queue = 1;
4519 }
4520
4521 if (rval) {
4522 DEBUG2_3(printk(KERN_WARNING
4523 "scsi(%ld): NVRAM configuration failed!\n", vha->host_no));
4524 }
4525 return (rval);
4526}
4527
4528void
4529qla81xx_update_fw_options(scsi_qla_host_t *ha)
4530{
4531}
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