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[SCSI] qla2xxx: Use PCI-X/PCI-Express read control interfaces.
[linux-2.6-block.git] / drivers / scsi / qla2xxx / qla_init.c
CommitLineData
1da177e4 1/*
fa90c54f
AV		 2 * QLogic Fibre Channel HBA Driver
3 * Copyright (c) 2003-2005 QLogic Corporation
1da177e4 4 *
fa90c54f 5 * See LICENSE.qla2xxx for copyright and licensing details.
1da177e4
LT		 6 */
7#include "qla_def.h"
8
9#include <linux/delay.h>
0107109e 10#include <linux/vmalloc.h>
1da177e4
LT		 11
12#include "qla_devtbl.h"
13
4e08df3f
DM		 14#ifdef CONFIG_SPARC
15#include <asm/prom.h>
4e08df3f
DM		 16#endif
17
1da177e4
LT		 18/* XXX(hch): this is ugly, but we don't want to pull in exioctl.h */
19#ifndef EXT_IS_LUN_BIT_SET
20#define EXT_IS_LUN_BIT_SET(P,L) \
21 (((P)->mask[L/8] & (0x80 >> (L%8)))?1:0)
22#define EXT_SET_LUN_BIT(P,L) \
23 ((P)->mask[L/8] |= (0x80 >> (L%8)))
24#endif
25
26/*
27* QLogic ISP2x00 Hardware Support Function Prototypes.
28*/
1da177e4 29static int qla2x00_isp_firmware(scsi_qla_host_t *);
1da177e4
LT		 30static void qla2x00_resize_request_q(scsi_qla_host_t *);
31static int qla2x00_setup_chip(scsi_qla_host_t *);
32static void qla2x00_init_response_q_entries(scsi_qla_host_t *);
33static int qla2x00_init_rings(scsi_qla_host_t *);
34static int qla2x00_fw_ready(scsi_qla_host_t *);
35static int qla2x00_configure_hba(scsi_qla_host_t *);
1da177e4
LT		 36static int qla2x00_configure_loop(scsi_qla_host_t *);
37static int qla2x00_configure_local_loop(scsi_qla_host_t *);
1da177e4
LT		 38static int qla2x00_configure_fabric(scsi_qla_host_t *);
39static int qla2x00_find_all_fabric_devs(scsi_qla_host_t *, struct list_head *);
40static int qla2x00_device_resync(scsi_qla_host_t *);
41static int qla2x00_fabric_dev_login(scsi_qla_host_t *, fc_port_t *,
42 uint16_t *);
1da177e4
LT		 43
44static int qla2x00_restart_isp(scsi_qla_host_t *);
1da177e4 45
413975a0
AB		 46static int qla2x00_find_new_loop_id(scsi_qla_host_t *ha, fc_port_t *dev);
47
1da177e4
LT		 48/****************************************************************************/
49/* QLogic ISP2x00 Hardware Support Functions. */
50/****************************************************************************/
51
52/*
53* qla2x00_initialize_adapter
54* Initialize board.
55*
56* Input:
57* ha = adapter block pointer.
58*
59* Returns:
60* 0 = success
61*/
62int
63qla2x00_initialize_adapter(scsi_qla_host_t *ha)
64{
65 int rval;
1da177e4
LT		 66
67 /* Clear adapter flags. */
68 ha->flags.online = 0;
69 ha->flags.reset_active = 0;
70 atomic_set(&ha->loop_down_timer, LOOP_DOWN_TIME);
71 atomic_set(&ha->loop_state, LOOP_DOWN);
2603221a 72 ha->device_flags = DFLG_NO_CABLE;
1da177e4 73 ha->dpc_flags = 0;
1da177e4
LT		 74 ha->flags.management_server_logged_in = 0;
75 ha->marker_needed = 0;
76 ha->mbx_flags = 0;
77 ha->isp_abort_cnt = 0;
78 ha->beacon_blink_led = 0;
cca5335c 79 set_bit(REGISTER_FDMI_NEEDED, &ha->dpc_flags);
1da177e4 80
0107109e 81 qla_printk(KERN_INFO, ha, "Configuring PCI space...\n");
fd34f556 82 rval = ha->isp_ops->pci_config(ha);
1da177e4 83 if (rval) {
7c98a046 84 DEBUG2(printk("scsi(%ld): Unable to configure PCI space.\n",
1da177e4
LT		 85 ha->host_no));
86 return (rval);
87 }
88
fd34f556 89 ha->isp_ops->reset_chip(ha);
1da177e4 90
fd34f556 91 ha->isp_ops->get_flash_version(ha, ha->request_ring);
30c47662 92
1da177e4 93 qla_printk(KERN_INFO, ha, "Configure NVRAM parameters...\n");
0107109e 94
fd34f556 95 ha->isp_ops->nvram_config(ha);
1da177e4 96
d4c760c2
AV		 97 if (ha->flags.disable_serdes) {
98 /* Mask HBA via NVRAM settings? */
99 qla_printk(KERN_INFO, ha, "Masking HBA WWPN "
100 "%02x%02x%02x%02x%02x%02x%02x%02x (via NVRAM).\n",
101 ha->port_name[0], ha->port_name[1],
102 ha->port_name[2], ha->port_name[3],
103 ha->port_name[4], ha->port_name[5],
104 ha->port_name[6], ha->port_name[7]);
105 return QLA_FUNCTION_FAILED;
106 }
107
1da177e4
LT		 108 qla_printk(KERN_INFO, ha, "Verifying loaded RISC code...\n");
109
d19044c3 110 if (qla2x00_isp_firmware(ha) != QLA_SUCCESS) {
fd34f556 111 rval = ha->isp_ops->chip_diag(ha);
d19044c3
AV		 112 if (rval)
113 return (rval);
114 rval = qla2x00_setup_chip(ha);
115 if (rval)
116 return (rval);
1da177e4 117 }
d19044c3 118 rval = qla2x00_init_rings(ha);
1da177e4
LT		 119
120 return (rval);
121}
122
123/**
abbd8870 124 * qla2100_pci_config() - Setup ISP21xx PCI configuration registers.
1da177e4
LT		 125 * @ha: HA context
126 *
127 * Returns 0 on success.
128 */
abbd8870
AV		 129int
130qla2100_pci_config(scsi_qla_host_t *ha)
1da177e4 131{
a157b101
AV		 132 int ret;
133 uint16_t w;
27b2f679 134 uint32_t d;
abbd8870 135 unsigned long flags;
3d71644c 136 struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
1da177e4 137
1da177e4 138 pci_set_master(ha->pdev);
a157b101 139 ret = pci_set_mwi(ha->pdev);
1da177e4 140
1da177e4 141 pci_read_config_word(ha->pdev, PCI_COMMAND, &w);
a157b101 142 w |= (PCI_COMMAND_PARITY | PCI_COMMAND_SERR);
abbd8870
AV		 143 pci_write_config_word(ha->pdev, PCI_COMMAND, w);
144
145 /* Reset expansion ROM address decode enable */
27b2f679
AK		 146 pci_read_config_dword(ha->pdev, PCI_ROM_ADDRESS, &d);
147 d &= ~PCI_ROM_ADDRESS_ENABLE;
148 pci_write_config_dword(ha->pdev, PCI_ROM_ADDRESS, d);
1da177e4
LT		 149
150 /* Get PCI bus information. */
151 spin_lock_irqsave(&ha->hardware_lock, flags);
3d71644c 152 ha->pci_attr = RD_REG_WORD(&reg->ctrl_status);
1da177e4
LT		 153 spin_unlock_irqrestore(&ha->hardware_lock, flags);
154
abbd8870
AV		 155 return QLA_SUCCESS;
156}
1da177e4 157
abbd8870
AV		 158/**
159 * qla2300_pci_config() - Setup ISP23xx PCI configuration registers.
160 * @ha: HA context
161 *
162 * Returns 0 on success.
163 */
164int
165qla2300_pci_config(scsi_qla_host_t *ha)
166{
a157b101
AV		 167 int ret;
168 uint16_t w;
27b2f679 169 uint32_t d;
abbd8870
AV		 170 unsigned long flags = 0;
171 uint32_t cnt;
3d71644c 172 struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
1da177e4 173
abbd8870 174 pci_set_master(ha->pdev);
a157b101 175 ret = pci_set_mwi(ha->pdev);
1da177e4 176
abbd8870 177 pci_read_config_word(ha->pdev, PCI_COMMAND, &w);
a157b101 178 w |= (PCI_COMMAND_PARITY | PCI_COMMAND_SERR);
1da177e4 179
abbd8870
AV		 180 if (IS_QLA2322(ha) || IS_QLA6322(ha))
181 w &= ~PCI_COMMAND_INTX_DISABLE;
a157b101 182 pci_write_config_word(ha->pdev, PCI_COMMAND, w);
1da177e4 183
abbd8870
AV		 184 /*
185 * If this is a 2300 card and not 2312, reset the
186 * COMMAND_INVALIDATE due to a bug in the 2300. Unfortunately,
187 * the 2310 also reports itself as a 2300 so we need to get the
188 * fb revision level -- a 6 indicates it really is a 2300 and
189 * not a 2310.
190 */
191 if (IS_QLA2300(ha)) {
192 spin_lock_irqsave(&ha->hardware_lock, flags);
1da177e4 193
abbd8870 194 /* Pause RISC. */
3d71644c 195 WRT_REG_WORD(&reg->hccr, HCCR_PAUSE_RISC);
abbd8870 196 for (cnt = 0; cnt < 30000; cnt++) {
3d71644c 197 if ((RD_REG_WORD(&reg->hccr) & HCCR_RISC_PAUSE) != 0)
abbd8870 198 break;
1da177e4 199
abbd8870
AV		 200 udelay(10);
201 }
1da177e4 202
abbd8870 203 /* Select FPM registers. */
3d71644c
AV		 204 WRT_REG_WORD(&reg->ctrl_status, 0x20);
205 RD_REG_WORD(&reg->ctrl_status);
abbd8870
AV		 206
207 /* Get the fb rev level */
3d71644c 208 ha->fb_rev = RD_FB_CMD_REG(ha, reg);
abbd8870
AV		 209
210 if (ha->fb_rev == FPM_2300)
a157b101 211 pci_clear_mwi(ha->pdev);
abbd8870
AV		 212
213 /* Deselect FPM registers. */
3d71644c
AV		 214 WRT_REG_WORD(&reg->ctrl_status, 0x0);
215 RD_REG_WORD(&reg->ctrl_status);
abbd8870
AV		 216
217 /* Release RISC module. */
3d71644c 218 WRT_REG_WORD(&reg->hccr, HCCR_RELEASE_RISC);
abbd8870 219 for (cnt = 0; cnt < 30000; cnt++) {
3d71644c 220 if ((RD_REG_WORD(&reg->hccr) & HCCR_RISC_PAUSE) == 0)
abbd8870
AV		 221 break;
222
223 udelay(10);
1da177e4 224 }
1da177e4 225
abbd8870
AV		 226 spin_unlock_irqrestore(&ha->hardware_lock, flags);
227 }
1da177e4 228
abbd8870
AV		 229 pci_write_config_byte(ha->pdev, PCI_LATENCY_TIMER, 0x80);
230
1da177e4 231 /* Reset expansion ROM address decode enable */
27b2f679
AK		 232 pci_read_config_dword(ha->pdev, PCI_ROM_ADDRESS, &d);
233 d &= ~PCI_ROM_ADDRESS_ENABLE;
234 pci_write_config_dword(ha->pdev, PCI_ROM_ADDRESS, d);
1da177e4 235
abbd8870
AV		 236 /* Get PCI bus information. */
237 spin_lock_irqsave(&ha->hardware_lock, flags);
3d71644c 238 ha->pci_attr = RD_REG_WORD(&reg->ctrl_status);
abbd8870
AV		 239 spin_unlock_irqrestore(&ha->hardware_lock, flags);
240
241 return QLA_SUCCESS;
1da177e4
LT		 242}
243
0107109e
AV		 244/**
245 * qla24xx_pci_config() - Setup ISP24xx PCI configuration registers.
246 * @ha: HA context
247 *
248 * Returns 0 on success.
249 */
250int
251qla24xx_pci_config(scsi_qla_host_t *ha)
252{
a157b101
AV		 253 int ret;
254 uint16_t w;
27b2f679 255 uint32_t d;
0107109e
AV		 256 unsigned long flags = 0;
257 struct device_reg_24xx __iomem *reg = &ha->iobase->isp24;
0107109e
AV		 258
259 pci_set_master(ha->pdev);
a157b101 260 ret = pci_set_mwi(ha->pdev);
0107109e
AV		 261
262 pci_read_config_word(ha->pdev, PCI_COMMAND, &w);
a157b101 263 w |= (PCI_COMMAND_PARITY | PCI_COMMAND_SERR);
0107109e
AV		 264 w &= ~PCI_COMMAND_INTX_DISABLE;
265 pci_write_config_word(ha->pdev, PCI_COMMAND, w);
266
267 pci_write_config_byte(ha->pdev, PCI_LATENCY_TIMER, 0x80);
268
269 /* PCI-X -- adjust Maximum Memory Read Byte Count (2048). */
f85ec187
AV		 270 if (pci_find_capability(ha->pdev, PCI_CAP_ID_PCIX))
271 pcix_set_mmrbc(ha->pdev, 2048);
0107109e
AV		 272
273 /* PCIe -- adjust Maximum Read Request Size (2048). */
f85ec187
AV		 274 if (pci_find_capability(ha->pdev, PCI_CAP_ID_EXP))
275 pcie_set_readrq(ha->pdev, 2048);
0107109e
AV		 276
277 /* Reset expansion ROM address decode enable */
27b2f679
AK		 278 pci_read_config_dword(ha->pdev, PCI_ROM_ADDRESS, &d);
279 d &= ~PCI_ROM_ADDRESS_ENABLE;
280 pci_write_config_dword(ha->pdev, PCI_ROM_ADDRESS, d);
0107109e 281
44c10138 282 ha->chip_revision = ha->pdev->revision;
a8488abe 283
0107109e
AV		 284 /* Get PCI bus information. */
285 spin_lock_irqsave(&ha->hardware_lock, flags);
286 ha->pci_attr = RD_REG_DWORD(&reg->ctrl_status);
287 spin_unlock_irqrestore(&ha->hardware_lock, flags);
288
289 return QLA_SUCCESS;
290}
291
1da177e4
LT		 292/**
293 * qla2x00_isp_firmware() - Choose firmware image.
294 * @ha: HA context
295 *
296 * Returns 0 on success.
297 */
298static int
299qla2x00_isp_firmware(scsi_qla_host_t *ha)
300{
301 int rval;
302
303 /* Assume loading risc code */
fa2a1ce5 304 rval = QLA_FUNCTION_FAILED;
1da177e4
LT		 305
306 if (ha->flags.disable_risc_code_load) {
307 DEBUG2(printk("scsi(%ld): RISC CODE NOT loaded\n",
308 ha->host_no));
309 qla_printk(KERN_INFO, ha, "RISC CODE NOT loaded\n");
310
311 /* Verify checksum of loaded RISC code. */
441d1072 312 rval = qla2x00_verify_checksum(ha, ha->fw_srisc_address);
1da177e4
LT		 313 }
314
315 if (rval) {
316 DEBUG2_3(printk("scsi(%ld): **** Load RISC code ****\n",
317 ha->host_no));
318 }
319
320 return (rval);
321}
322
323/**
324 * qla2x00_reset_chip() - Reset ISP chip.
325 * @ha: HA context
326 *
327 * Returns 0 on success.
328 */
abbd8870 329void
fa2a1ce5 330qla2x00_reset_chip(scsi_qla_host_t *ha)
1da177e4
LT		 331{
332 unsigned long flags = 0;
3d71644c 333 struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
1da177e4 334 uint32_t cnt;
1da177e4
LT		 335 uint16_t cmd;
336
fd34f556 337 ha->isp_ops->disable_intrs(ha);
1da177e4
LT		 338
339 spin_lock_irqsave(&ha->hardware_lock, flags);
340
341 /* Turn off master enable */
342 cmd = 0;
343 pci_read_config_word(ha->pdev, PCI_COMMAND, &cmd);
344 cmd &= ~PCI_COMMAND_MASTER;
345 pci_write_config_word(ha->pdev, PCI_COMMAND, cmd);
346
347 if (!IS_QLA2100(ha)) {
348 /* Pause RISC. */
349 WRT_REG_WORD(&reg->hccr, HCCR_PAUSE_RISC);
350 if (IS_QLA2200(ha) || IS_QLA2300(ha)) {
351 for (cnt = 0; cnt < 30000; cnt++) {
352 if ((RD_REG_WORD(&reg->hccr) &
353 HCCR_RISC_PAUSE) != 0)
354 break;
355 udelay(100);
356 }
357 } else {
358 RD_REG_WORD(&reg->hccr); /* PCI Posting. */
359 udelay(10);
360 }
361
362 /* Select FPM registers. */
363 WRT_REG_WORD(&reg->ctrl_status, 0x20);
364 RD_REG_WORD(&reg->ctrl_status); /* PCI Posting. */
365
366 /* FPM Soft Reset. */
367 WRT_REG_WORD(&reg->fpm_diag_config, 0x100);
368 RD_REG_WORD(&reg->fpm_diag_config); /* PCI Posting. */
369
370 /* Toggle Fpm Reset. */
371 if (!IS_QLA2200(ha)) {
372 WRT_REG_WORD(&reg->fpm_diag_config, 0x0);
373 RD_REG_WORD(&reg->fpm_diag_config); /* PCI Posting. */
374 }
375
376 /* Select frame buffer registers. */
377 WRT_REG_WORD(&reg->ctrl_status, 0x10);
378 RD_REG_WORD(&reg->ctrl_status); /* PCI Posting. */
379
380 /* Reset frame buffer FIFOs. */
381 if (IS_QLA2200(ha)) {
382 WRT_FB_CMD_REG(ha, reg, 0xa000);
383 RD_FB_CMD_REG(ha, reg); /* PCI Posting. */
384 } else {
385 WRT_FB_CMD_REG(ha, reg, 0x00fc);
386
387 /* Read back fb_cmd until zero or 3 seconds max */
388 for (cnt = 0; cnt < 3000; cnt++) {
389 if ((RD_FB_CMD_REG(ha, reg) & 0xff) == 0)
390 break;
391 udelay(100);
392 }
393 }
394
395 /* Select RISC module registers. */
396 WRT_REG_WORD(&reg->ctrl_status, 0);
397 RD_REG_WORD(&reg->ctrl_status); /* PCI Posting. */
398
399 /* Reset RISC processor. */
400 WRT_REG_WORD(&reg->hccr, HCCR_RESET_RISC);
401 RD_REG_WORD(&reg->hccr); /* PCI Posting. */
402
403 /* Release RISC processor. */
404 WRT_REG_WORD(&reg->hccr, HCCR_RELEASE_RISC);
405 RD_REG_WORD(&reg->hccr); /* PCI Posting. */
406 }
407
408 WRT_REG_WORD(&reg->hccr, HCCR_CLR_RISC_INT);
409 WRT_REG_WORD(&reg->hccr, HCCR_CLR_HOST_INT);
410
411 /* Reset ISP chip. */
412 WRT_REG_WORD(&reg->ctrl_status, CSR_ISP_SOFT_RESET);
413
414 /* Wait for RISC to recover from reset. */
415 if (IS_QLA2100(ha) || IS_QLA2200(ha) || IS_QLA2300(ha)) {
416 /*
417 * It is necessary to for a delay here since the card doesn't
418 * respond to PCI reads during a reset. On some architectures
419 * this will result in an MCA.
420 */
421 udelay(20);
422 for (cnt = 30000; cnt; cnt--) {
423 if ((RD_REG_WORD(&reg->ctrl_status) &
424 CSR_ISP_SOFT_RESET) == 0)
425 break;
426 udelay(100);
427 }
428 } else
429 udelay(10);
430
431 /* Reset RISC processor. */
432 WRT_REG_WORD(&reg->hccr, HCCR_RESET_RISC);
433
434 WRT_REG_WORD(&reg->semaphore, 0);
435
436 /* Release RISC processor. */
437 WRT_REG_WORD(&reg->hccr, HCCR_RELEASE_RISC);
438 RD_REG_WORD(&reg->hccr); /* PCI Posting. */
439
440 if (IS_QLA2100(ha) || IS_QLA2200(ha) || IS_QLA2300(ha)) {
441 for (cnt = 0; cnt < 30000; cnt++) {
ffb39f03 442 if (RD_MAILBOX_REG(ha, reg, 0) != MBS_BUSY)
1da177e4 443 break;
1da177e4
LT		 444
445 udelay(100);
446 }
447 } else
448 udelay(100);
449
450 /* Turn on master enable */
451 cmd |= PCI_COMMAND_MASTER;
452 pci_write_config_word(ha->pdev, PCI_COMMAND, cmd);
453
454 /* Disable RISC pause on FPM parity error. */
455 if (!IS_QLA2100(ha)) {
456 WRT_REG_WORD(&reg->hccr, HCCR_DISABLE_PARITY_PAUSE);
457 RD_REG_WORD(&reg->hccr); /* PCI Posting. */
458 }
459
460 spin_unlock_irqrestore(&ha->hardware_lock, flags);
461}
462
0107109e 463/**
88c26663 464 * qla24xx_reset_risc() - Perform full reset of ISP24xx RISC.
0107109e
AV		 465 * @ha: HA context
466 *
467 * Returns 0 on success.
468 */
88c26663
AV		 469static inline void
470qla24xx_reset_risc(scsi_qla_host_t *ha)
0107109e
AV		 471{
472 unsigned long flags = 0;
473 struct device_reg_24xx __iomem *reg = &ha->iobase->isp24;
474 uint32_t cnt, d2;
335a1cc9 475 uint16_t wd;
0107109e 476
0107109e
AV		 477 spin_lock_irqsave(&ha->hardware_lock, flags);
478
479 /* Reset RISC. */
480 WRT_REG_DWORD(&reg->ctrl_status, CSRX_DMA_SHUTDOWN|MWB_4096_BYTES);
481 for (cnt = 0; cnt < 30000; cnt++) {
482 if ((RD_REG_DWORD(&reg->ctrl_status) & CSRX_DMA_ACTIVE) == 0)
483 break;
484
485 udelay(10);
486 }
487
488 WRT_REG_DWORD(&reg->ctrl_status,
489 CSRX_ISP_SOFT_RESET|CSRX_DMA_SHUTDOWN|MWB_4096_BYTES);
335a1cc9 490 pci_read_config_word(ha->pdev, PCI_COMMAND, &wd);
88c26663 491
335a1cc9 492 udelay(100);
88c26663 493 /* Wait for firmware to complete NVRAM accesses. */
88c26663
AV		 494 d2 = (uint32_t) RD_REG_WORD(&reg->mailbox0);
495 for (cnt = 10000 ; cnt && d2; cnt--) {
496 udelay(5);
497 d2 = (uint32_t) RD_REG_WORD(&reg->mailbox0);
498 barrier();
499 }
500
335a1cc9 501 /* Wait for soft-reset to complete. */
0107109e
AV		 502 d2 = RD_REG_DWORD(&reg->ctrl_status);
503 for (cnt = 6000000 ; cnt && (d2 & CSRX_ISP_SOFT_RESET); cnt--) {
504 udelay(5);
505 d2 = RD_REG_DWORD(&reg->ctrl_status);
506 barrier();
507 }
508
509 WRT_REG_DWORD(&reg->hccr, HCCRX_SET_RISC_RESET);
510 RD_REG_DWORD(&reg->hccr);
511
512 WRT_REG_DWORD(&reg->hccr, HCCRX_REL_RISC_PAUSE);
513 RD_REG_DWORD(&reg->hccr);
514
515 WRT_REG_DWORD(&reg->hccr, HCCRX_CLR_RISC_RESET);
516 RD_REG_DWORD(&reg->hccr);
517
518 d2 = (uint32_t) RD_REG_WORD(&reg->mailbox0);
519 for (cnt = 6000000 ; cnt && d2; cnt--) {
520 udelay(5);
521 d2 = (uint32_t) RD_REG_WORD(&reg->mailbox0);
522 barrier();
523 }
524
525 spin_unlock_irqrestore(&ha->hardware_lock, flags);
526}
527
88c26663
AV		 528/**
529 * qla24xx_reset_chip() - Reset ISP24xx chip.
530 * @ha: HA context
531 *
532 * Returns 0 on success.
533 */
534void
535qla24xx_reset_chip(scsi_qla_host_t *ha)
536{
fd34f556 537 ha->isp_ops->disable_intrs(ha);
88c26663
AV		 538
539 /* Perform RISC reset. */
540 qla24xx_reset_risc(ha);
541}
542
1da177e4
LT		 543/**
544 * qla2x00_chip_diag() - Test chip for proper operation.
545 * @ha: HA context
546 *
547 * Returns 0 on success.
548 */
abbd8870 549int
1da177e4
LT		 550qla2x00_chip_diag(scsi_qla_host_t *ha)
551{
552 int rval;
3d71644c 553 struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
1da177e4
LT		 554 unsigned long flags = 0;
555 uint16_t data;
556 uint32_t cnt;
557 uint16_t mb[5];
558
559 /* Assume a failed state */
560 rval = QLA_FUNCTION_FAILED;
561
562 DEBUG3(printk("scsi(%ld): Testing device at %lx.\n",
563 ha->host_no, (u_long)&reg->flash_address));
564
565 spin_lock_irqsave(&ha->hardware_lock, flags);
566
567 /* Reset ISP chip. */
568 WRT_REG_WORD(&reg->ctrl_status, CSR_ISP_SOFT_RESET);
569
570 /*
571 * We need to have a delay here since the card will not respond while
572 * in reset causing an MCA on some architectures.
573 */
574 udelay(20);
575 data = qla2x00_debounce_register(&reg->ctrl_status);
576 for (cnt = 6000000 ; cnt && (data & CSR_ISP_SOFT_RESET); cnt--) {
577 udelay(5);
578 data = RD_REG_WORD(&reg->ctrl_status);
579 barrier();
580 }
581
582 if (!cnt)
583 goto chip_diag_failed;
584
585 DEBUG3(printk("scsi(%ld): Reset register cleared by chip reset\n",
586 ha->host_no));
587
588 /* Reset RISC processor. */
589 WRT_REG_WORD(&reg->hccr, HCCR_RESET_RISC);
590 WRT_REG_WORD(&reg->hccr, HCCR_RELEASE_RISC);
591
592 /* Workaround for QLA2312 PCI parity error */
593 if (IS_QLA2100(ha) || IS_QLA2200(ha) || IS_QLA2300(ha)) {
594 data = qla2x00_debounce_register(MAILBOX_REG(ha, reg, 0));
595 for (cnt = 6000000; cnt && (data == MBS_BUSY); cnt--) {
596 udelay(5);
597 data = RD_MAILBOX_REG(ha, reg, 0);
fa2a1ce5 598 barrier();
1da177e4
LT		 599 }
600 } else
601 udelay(10);
602
603 if (!cnt)
604 goto chip_diag_failed;
605
606 /* Check product ID of chip */
607 DEBUG3(printk("scsi(%ld): Checking product ID of chip\n", ha->host_no));
608
609 mb[1] = RD_MAILBOX_REG(ha, reg, 1);
610 mb[2] = RD_MAILBOX_REG(ha, reg, 2);
611 mb[3] = RD_MAILBOX_REG(ha, reg, 3);
612 mb[4] = qla2x00_debounce_register(MAILBOX_REG(ha, reg, 4));
613 if (mb[1] != PROD_ID_1 || (mb[2] != PROD_ID_2 && mb[2] != PROD_ID_2a) ||
614 mb[3] != PROD_ID_3) {
615 qla_printk(KERN_WARNING, ha,
616 "Wrong product ID = 0x%x,0x%x,0x%x\n", mb[1], mb[2], mb[3]);
617
618 goto chip_diag_failed;
619 }
620 ha->product_id[0] = mb[1];
621 ha->product_id[1] = mb[2];
622 ha->product_id[2] = mb[3];
623 ha->product_id[3] = mb[4];
624
625 /* Adjust fw RISC transfer size */
626 if (ha->request_q_length > 1024)
627 ha->fw_transfer_size = REQUEST_ENTRY_SIZE * 1024;
628 else
629 ha->fw_transfer_size = REQUEST_ENTRY_SIZE *
630 ha->request_q_length;
631
632 if (IS_QLA2200(ha) &&
633 RD_MAILBOX_REG(ha, reg, 7) == QLA2200A_RISC_ROM_VER) {
634 /* Limit firmware transfer size with a 2200A */
635 DEBUG3(printk("scsi(%ld): Found QLA2200A chip.\n",
636 ha->host_no));
637
ea5b6382 638 ha->device_type |= DT_ISP2200A;
1da177e4
LT		 639 ha->fw_transfer_size = 128;
640 }
641
642 /* Wrap Incoming Mailboxes Test. */
643 spin_unlock_irqrestore(&ha->hardware_lock, flags);
644
645 DEBUG3(printk("scsi(%ld): Checking mailboxes.\n", ha->host_no));
646 rval = qla2x00_mbx_reg_test(ha);
647 if (rval) {
648 DEBUG(printk("scsi(%ld): Failed mailbox send register test\n",
649 ha->host_no));
650 qla_printk(KERN_WARNING, ha,
651 "Failed mailbox send register test\n");
652 }
653 else {
654 /* Flag a successful rval */
655 rval = QLA_SUCCESS;
656 }
657 spin_lock_irqsave(&ha->hardware_lock, flags);
658
659chip_diag_failed:
660 if (rval)
661 DEBUG2_3(printk("scsi(%ld): Chip diagnostics **** FAILED "
662 "****\n", ha->host_no));
663
664 spin_unlock_irqrestore(&ha->hardware_lock, flags);
665
666 return (rval);
667}
668
0107109e
AV		 669/**
670 * qla24xx_chip_diag() - Test ISP24xx for proper operation.
671 * @ha: HA context
672 *
673 * Returns 0 on success.
674 */
675int
676qla24xx_chip_diag(scsi_qla_host_t *ha)
677{
678 int rval;
0107109e 679
88c26663
AV		 680 /* Perform RISC reset. */
681 qla24xx_reset_risc(ha);
0107109e
AV		 682
683 ha->fw_transfer_size = REQUEST_ENTRY_SIZE * 1024;
684
685 rval = qla2x00_mbx_reg_test(ha);
686 if (rval) {
687 DEBUG(printk("scsi(%ld): Failed mailbox send register test\n",
688 ha->host_no));
689 qla_printk(KERN_WARNING, ha,
690 "Failed mailbox send register test\n");
691 } else {
692 /* Flag a successful rval */
693 rval = QLA_SUCCESS;
694 }
695
696 return rval;
697}
698
a7a167bf 699void
0107109e
AV		 700qla2x00_alloc_fw_dump(scsi_qla_host_t *ha)
701{
a7a167bf
AV		 702 int rval;
703 uint32_t dump_size, fixed_size, mem_size, req_q_size, rsp_q_size,
704 eft_size;
705 dma_addr_t eft_dma;
706 void *eft;
707
708 if (ha->fw_dump) {
709 qla_printk(KERN_WARNING, ha,
710 "Firmware dump previously allocated.\n");
711 return;
712 }
d4e3e04d 713
0107109e 714 ha->fw_dumped = 0;
a7a167bf 715 fixed_size = mem_size = eft_size = 0;
d4e3e04d 716 if (IS_QLA2100(ha) || IS_QLA2200(ha)) {
a7a167bf 717 fixed_size = sizeof(struct qla2100_fw_dump);
d4e3e04d 718 } else if (IS_QLA23XX(ha)) {
a7a167bf
AV		 719 fixed_size = offsetof(struct qla2300_fw_dump, data_ram);
720 mem_size = (ha->fw_memory_size - 0x11000 + 1) *
721 sizeof(uint16_t);
e428924c 722 } else if (IS_FWI2_CAPABLE(ha)) {
a7a167bf
AV		 723 fixed_size = offsetof(struct qla24xx_fw_dump, ext_mem);
724 mem_size = (ha->fw_memory_size - 0x100000 + 1) *
725 sizeof(uint32_t);
726
727 /* Allocate memory for Extended Trace Buffer. */
728 eft = dma_alloc_coherent(&ha->pdev->dev, EFT_SIZE, &eft_dma,
729 GFP_KERNEL);
730 if (!eft) {
731 qla_printk(KERN_WARNING, ha, "Unable to allocate "
732 "(%d KB) for EFT.\n", EFT_SIZE / 1024);
733 goto cont_alloc;
734 }
735
736 rval = qla2x00_trace_control(ha, TC_ENABLE, eft_dma,
737 EFT_NUM_BUFFERS);
738 if (rval) {
739 qla_printk(KERN_WARNING, ha, "Unable to initialize "
740 "EFT (%d).\n", rval);
741 dma_free_coherent(&ha->pdev->dev, EFT_SIZE, eft,
742 eft_dma);
743 goto cont_alloc;
744 }
745
746 qla_printk(KERN_INFO, ha, "Allocated (%d KB) for EFT...\n",
747 EFT_SIZE / 1024);
748
749 eft_size = EFT_SIZE;
750 memset(eft, 0, eft_size);
751 ha->eft_dma = eft_dma;
752 ha->eft = eft;
d4e3e04d 753 }
a7a167bf
AV		 754cont_alloc:
755 req_q_size = ha->request_q_length * sizeof(request_t);
756 rsp_q_size = ha->response_q_length * sizeof(response_t);
757
758 dump_size = offsetof(struct qla2xxx_fw_dump, isp);
759 dump_size += fixed_size + mem_size + req_q_size + rsp_q_size +
760 eft_size;
d4e3e04d
AV		 761
762 ha->fw_dump = vmalloc(dump_size);
a7a167bf 763 if (!ha->fw_dump) {
0107109e 764 qla_printk(KERN_WARNING, ha, "Unable to allocate (%d KB) for "
d4e3e04d 765 "firmware dump!!!\n", dump_size / 1024);
a7a167bf
AV		 766
767 if (ha->eft) {
768 dma_free_coherent(&ha->pdev->dev, eft_size, ha->eft,
769 ha->eft_dma);
770 ha->eft = NULL;
771 ha->eft_dma = 0;
772 }
773 return;
774 }
775
776 qla_printk(KERN_INFO, ha, "Allocated (%d KB) for firmware dump...\n",
777 dump_size / 1024);
778
779 ha->fw_dump_len = dump_size;
780 ha->fw_dump->signature[0] = 'Q';
781 ha->fw_dump->signature[1] = 'L';
782 ha->fw_dump->signature[2] = 'G';
783 ha->fw_dump->signature[3] = 'C';
784 ha->fw_dump->version = __constant_htonl(1);
785
786 ha->fw_dump->fixed_size = htonl(fixed_size);
787 ha->fw_dump->mem_size = htonl(mem_size);
788 ha->fw_dump->req_q_size = htonl(req_q_size);
789 ha->fw_dump->rsp_q_size = htonl(rsp_q_size);
790
791 ha->fw_dump->eft_size = htonl(eft_size);
792 ha->fw_dump->eft_addr_l = htonl(LSD(ha->eft_dma));
793 ha->fw_dump->eft_addr_h = htonl(MSD(ha->eft_dma));
794
795 ha->fw_dump->header_size =
796 htonl(offsetof(struct qla2xxx_fw_dump, isp));
0107109e
AV		 797}
798
1da177e4
LT		 799/**
800 * qla2x00_resize_request_q() - Resize request queue given available ISP memory.
801 * @ha: HA context
802 *
803 * Returns 0 on success.
804 */
805static void
806qla2x00_resize_request_q(scsi_qla_host_t *ha)
807{
808 int rval;
809 uint16_t fw_iocb_cnt = 0;
810 uint16_t request_q_length = REQUEST_ENTRY_CNT_2XXX_EXT_MEM;
811 dma_addr_t request_dma;
812 request_t *request_ring;
813
814 /* Valid only on recent ISPs. */
815 if (IS_QLA2100(ha) || IS_QLA2200(ha))
816 return;
817
818 /* Retrieve IOCB counts available to the firmware. */
819 rval = qla2x00_get_resource_cnts(ha, NULL, NULL, NULL, &fw_iocb_cnt);
820 if (rval)
821 return;
822 /* No point in continuing if current settings are sufficient. */
823 if (fw_iocb_cnt < 1024)
824 return;
825 if (ha->request_q_length >= request_q_length)
826 return;
827
828 /* Attempt to claim larger area for request queue. */
829 request_ring = dma_alloc_coherent(&ha->pdev->dev,
830 (request_q_length + 1) * sizeof(request_t), &request_dma,
831 GFP_KERNEL);
832 if (request_ring == NULL)
833 return;
834
835 /* Resize successful, report extensions. */
836 qla_printk(KERN_INFO, ha, "Extended memory detected (%d KB)...\n",
837 (ha->fw_memory_size + 1) / 1024);
838 qla_printk(KERN_INFO, ha, "Resizing request queue depth "
839 "(%d -> %d)...\n", ha->request_q_length, request_q_length);
840
841 /* Clear old allocations. */
842 dma_free_coherent(&ha->pdev->dev,
843 (ha->request_q_length + 1) * sizeof(request_t), ha->request_ring,
844 ha->request_dma);
845
846 /* Begin using larger queue. */
847 ha->request_q_length = request_q_length;
848 ha->request_ring = request_ring;
849 ha->request_dma = request_dma;
850}
851
852/**
853 * qla2x00_setup_chip() - Load and start RISC firmware.
854 * @ha: HA context
855 *
856 * Returns 0 on success.
857 */
858static int
859qla2x00_setup_chip(scsi_qla_host_t *ha)
860{
0107109e
AV		 861 int rval;
862 uint32_t srisc_address = 0;
1da177e4
LT		 863
864 /* Load firmware sequences */
fd34f556 865 rval = ha->isp_ops->load_risc(ha, &srisc_address);
0107109e 866 if (rval == QLA_SUCCESS) {
1da177e4
LT		 867 DEBUG(printk("scsi(%ld): Verifying Checksum of loaded RISC "
868 "code.\n", ha->host_no));
869
0107109e 870 rval = qla2x00_verify_checksum(ha, srisc_address);
1da177e4
LT		 871 if (rval == QLA_SUCCESS) {
872 /* Start firmware execution. */
873 DEBUG(printk("scsi(%ld): Checksum OK, start "
874 "firmware.\n", ha->host_no));
875
0107109e 876 rval = qla2x00_execute_fw(ha, srisc_address);
1da177e4
LT		 877 /* Retrieve firmware information. */
878 if (rval == QLA_SUCCESS && ha->fw_major_version == 0) {
879 qla2x00_get_fw_version(ha,
880 &ha->fw_major_version,
881 &ha->fw_minor_version,
882 &ha->fw_subminor_version,
883 &ha->fw_attributes, &ha->fw_memory_size);
884 qla2x00_resize_request_q(ha);
2c3dfe3f
SJ		 885 ha->flags.npiv_supported = 0;
886 if (IS_QLA24XX(ha) &&
887 (ha->fw_attributes & BIT_2))
888 ha->flags.npiv_supported = 1;
a7a167bf
AV		 889
890 if (ql2xallocfwdump)
891 qla2x00_alloc_fw_dump(ha);
1da177e4
LT		 892 }
893 } else {
894 DEBUG2(printk(KERN_INFO
895 "scsi(%ld): ISP Firmware failed checksum.\n",
896 ha->host_no));
897 }
898 }
899
900 if (rval) {
901 DEBUG2_3(printk("scsi(%ld): Setup chip **** FAILED ****.\n",
902 ha->host_no));
903 }
904
905 return (rval);
906}
907
908/**
909 * qla2x00_init_response_q_entries() - Initializes response queue entries.
910 * @ha: HA context
911 *
912 * Beginning of request ring has initialization control block already built
913 * by nvram config routine.
914 *
915 * Returns 0 on success.
916 */
917static void
918qla2x00_init_response_q_entries(scsi_qla_host_t *ha)
919{
920 uint16_t cnt;
921 response_t *pkt;
922
923 pkt = ha->response_ring_ptr;
924 for (cnt = 0; cnt < ha->response_q_length; cnt++) {
925 pkt->signature = RESPONSE_PROCESSED;
926 pkt++;
927 }
928
929}
930
931/**
932 * qla2x00_update_fw_options() - Read and process firmware options.
933 * @ha: HA context
934 *
935 * Returns 0 on success.
936 */
abbd8870 937void
1da177e4
LT		 938qla2x00_update_fw_options(scsi_qla_host_t *ha)
939{
940 uint16_t swing, emphasis, tx_sens, rx_sens;
941
942 memset(ha->fw_options, 0, sizeof(ha->fw_options));
943 qla2x00_get_fw_options(ha, ha->fw_options);
944
945 if (IS_QLA2100(ha) || IS_QLA2200(ha))
946 return;
947
948 /* Serial Link options. */
949 DEBUG3(printk("scsi(%ld): Serial link options:\n",
950 ha->host_no));
951 DEBUG3(qla2x00_dump_buffer((uint8_t *)&ha->fw_seriallink_options,
952 sizeof(ha->fw_seriallink_options)));
953
954 ha->fw_options[1] &= ~FO1_SET_EMPHASIS_SWING;
955 if (ha->fw_seriallink_options[3] & BIT_2) {
956 ha->fw_options[1] |= FO1_SET_EMPHASIS_SWING;
957
958 /* 1G settings */
959 swing = ha->fw_seriallink_options[2] & (BIT_2 | BIT_1 | BIT_0);
960 emphasis = (ha->fw_seriallink_options[2] &
961 (BIT_4 | BIT_3)) >> 3;
962 tx_sens = ha->fw_seriallink_options[0] &
fa2a1ce5 963 (BIT_3 | BIT_2 | BIT_1 | BIT_0);
1da177e4
LT		 964 rx_sens = (ha->fw_seriallink_options[0] &
965 (BIT_7 | BIT_6 | BIT_5 | BIT_4)) >> 4;
966 ha->fw_options[10] = (emphasis << 14) | (swing << 8);
967 if (IS_QLA2300(ha) || IS_QLA2312(ha) || IS_QLA6312(ha)) {
968 if (rx_sens == 0x0)
969 rx_sens = 0x3;
970 ha->fw_options[10] |= (tx_sens << 4) | rx_sens;
971 } else if (IS_QLA2322(ha) || IS_QLA6322(ha))
972 ha->fw_options[10] |= BIT_5 |
973 ((rx_sens & (BIT_1 | BIT_0)) << 2) |
974 (tx_sens & (BIT_1 | BIT_0));
975
976 /* 2G settings */
977 swing = (ha->fw_seriallink_options[2] &
978 (BIT_7 | BIT_6 | BIT_5)) >> 5;
979 emphasis = ha->fw_seriallink_options[3] & (BIT_1 | BIT_0);
980 tx_sens = ha->fw_seriallink_options[1] &
fa2a1ce5 981 (BIT_3 | BIT_2 | BIT_1 | BIT_0);
1da177e4
LT		 982 rx_sens = (ha->fw_seriallink_options[1] &
983 (BIT_7 | BIT_6 | BIT_5 | BIT_4)) >> 4;
984 ha->fw_options[11] = (emphasis << 14) | (swing << 8);
985 if (IS_QLA2300(ha) || IS_QLA2312(ha) || IS_QLA6312(ha)) {
986 if (rx_sens == 0x0)
987 rx_sens = 0x3;
988 ha->fw_options[11] |= (tx_sens << 4) | rx_sens;
989 } else if (IS_QLA2322(ha) || IS_QLA6322(ha))
990 ha->fw_options[11] |= BIT_5 |
991 ((rx_sens & (BIT_1 | BIT_0)) << 2) |
992 (tx_sens & (BIT_1 | BIT_0));
993 }
994
995 /* FCP2 options. */
996 /* Return command IOCBs without waiting for an ABTS to complete. */
997 ha->fw_options[3] |= BIT_13;
998
999 /* LED scheme. */
1000 if (ha->flags.enable_led_scheme)
1001 ha->fw_options[2] |= BIT_12;
1002
48c02fde 1003 /* Detect ISP6312. */
1004 if (IS_QLA6312(ha))
1005 ha->fw_options[2] |= BIT_13;
1006
1da177e4
LT		 1007 /* Update firmware options. */
1008 qla2x00_set_fw_options(ha, ha->fw_options);
1009}
1010
0107109e
AV		 1011void
1012qla24xx_update_fw_options(scsi_qla_host_t *ha)
1013{
1014 int rval;
1015
1016 /* Update Serial Link options. */
f94097ed 1017 if ((le16_to_cpu(ha->fw_seriallink_options24[0]) & BIT_0) == 0)
0107109e
AV		 1018 return;
1019
f94097ed 1020 rval = qla2x00_set_serdes_params(ha,
1021 le16_to_cpu(ha->fw_seriallink_options24[1]),
1022 le16_to_cpu(ha->fw_seriallink_options24[2]),
1023 le16_to_cpu(ha->fw_seriallink_options24[3]));
0107109e
AV		 1024 if (rval != QLA_SUCCESS) {
1025 qla_printk(KERN_WARNING, ha,
1026 "Unable to update Serial Link options (%x).\n", rval);
1027 }
1028}
1029
abbd8870
AV		 1030void
1031qla2x00_config_rings(struct scsi_qla_host *ha)
1032{
3d71644c 1033 struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
abbd8870
AV		 1034
1035 /* Setup ring parameters in initialization control block. */
1036 ha->init_cb->request_q_outpointer = __constant_cpu_to_le16(0);
1037 ha->init_cb->response_q_inpointer = __constant_cpu_to_le16(0);
1038 ha->init_cb->request_q_length = cpu_to_le16(ha->request_q_length);
1039 ha->init_cb->response_q_length = cpu_to_le16(ha->response_q_length);
1040 ha->init_cb->request_q_address[0] = cpu_to_le32(LSD(ha->request_dma));
1041 ha->init_cb->request_q_address[1] = cpu_to_le32(MSD(ha->request_dma));
1042 ha->init_cb->response_q_address[0] = cpu_to_le32(LSD(ha->response_dma));
1043 ha->init_cb->response_q_address[1] = cpu_to_le32(MSD(ha->response_dma));
1044
1045 WRT_REG_WORD(ISP_REQ_Q_IN(ha, reg), 0);
1046 WRT_REG_WORD(ISP_REQ_Q_OUT(ha, reg), 0);
1047 WRT_REG_WORD(ISP_RSP_Q_IN(ha, reg), 0);
1048 WRT_REG_WORD(ISP_RSP_Q_OUT(ha, reg), 0);
1049 RD_REG_WORD(ISP_RSP_Q_OUT(ha, reg)); /* PCI Posting. */
1050}
1051
0107109e
AV		 1052void
1053qla24xx_config_rings(struct scsi_qla_host *ha)
1054{
1055 struct device_reg_24xx __iomem *reg = &ha->iobase->isp24;
1056 struct init_cb_24xx *icb;
1057
1058 /* Setup ring parameters in initialization control block. */
1059 icb = (struct init_cb_24xx *)ha->init_cb;
1060 icb->request_q_outpointer = __constant_cpu_to_le16(0);
1061 icb->response_q_inpointer = __constant_cpu_to_le16(0);
1062 icb->request_q_length = cpu_to_le16(ha->request_q_length);
1063 icb->response_q_length = cpu_to_le16(ha->response_q_length);
1064 icb->request_q_address[0] = cpu_to_le32(LSD(ha->request_dma));
1065 icb->request_q_address[1] = cpu_to_le32(MSD(ha->request_dma));
1066 icb->response_q_address[0] = cpu_to_le32(LSD(ha->response_dma));
1067 icb->response_q_address[1] = cpu_to_le32(MSD(ha->response_dma));
1068
1069 WRT_REG_DWORD(&reg->req_q_in, 0);
1070 WRT_REG_DWORD(&reg->req_q_out, 0);
1071 WRT_REG_DWORD(&reg->rsp_q_in, 0);
1072 WRT_REG_DWORD(&reg->rsp_q_out, 0);
1073 RD_REG_DWORD(&reg->rsp_q_out);
1074}
1075
1da177e4
LT		 1076/**
1077 * qla2x00_init_rings() - Initializes firmware.
1078 * @ha: HA context
1079 *
1080 * Beginning of request ring has initialization control block already built
1081 * by nvram config routine.
1082 *
1083 * Returns 0 on success.
1084 */
1085static int
1086qla2x00_init_rings(scsi_qla_host_t *ha)
1087{
1088 int rval;
1089 unsigned long flags = 0;
1090 int cnt;
2c3dfe3f
SJ		 1091 struct mid_init_cb_24xx *mid_init_cb =
1092 (struct mid_init_cb_24xx *) ha->init_cb;
1da177e4
LT		 1093
1094 spin_lock_irqsave(&ha->hardware_lock, flags);
1095
1096 /* Clear outstanding commands array. */
1097 for (cnt = 0; cnt < MAX_OUTSTANDING_COMMANDS; cnt++)
1098 ha->outstanding_cmds[cnt] = NULL;
1099
1100 ha->current_outstanding_cmd = 0;
1101
1102 /* Clear RSCN queue. */
1103 ha->rscn_in_ptr = 0;
1104 ha->rscn_out_ptr = 0;
1105
1106 /* Initialize firmware. */
1107 ha->request_ring_ptr = ha->request_ring;
1108 ha->req_ring_index = 0;
1109 ha->req_q_cnt = ha->request_q_length;
1110 ha->response_ring_ptr = ha->response_ring;
1111 ha->rsp_ring_index = 0;
1112
1da177e4
LT		 1113 /* Initialize response queue entries */
1114 qla2x00_init_response_q_entries(ha);
1115
fd34f556 1116 ha->isp_ops->config_rings(ha);
1da177e4
LT		 1117
1118 spin_unlock_irqrestore(&ha->hardware_lock, flags);
1119
1120 /* Update any ISP specific firmware options before initialization. */
fd34f556 1121 ha->isp_ops->update_fw_options(ha);
1da177e4
LT		 1122
1123 DEBUG(printk("scsi(%ld): Issue init firmware.\n", ha->host_no));
2c3dfe3f
SJ		 1124
1125 mid_init_cb->count = MAX_NUM_VPORT_FABRIC;
1126 ha->max_npiv_vports = MAX_NUM_VPORT_FABRIC;
1127
0107109e 1128 rval = qla2x00_init_firmware(ha, ha->init_cb_size);
1da177e4
LT		 1129 if (rval) {
1130 DEBUG2_3(printk("scsi(%ld): Init firmware **** FAILED ****.\n",
1131 ha->host_no));
1132 } else {
1133 DEBUG3(printk("scsi(%ld): Init firmware -- success.\n",
1134 ha->host_no));
1135 }
1136
1137 return (rval);
1138}
1139
1140/**
1141 * qla2x00_fw_ready() - Waits for firmware ready.
1142 * @ha: HA context
1143 *
1144 * Returns 0 on success.
1145 */
1146static int
1147qla2x00_fw_ready(scsi_qla_host_t *ha)
1148{
1149 int rval;
1150 unsigned long wtime, mtime;
1151 uint16_t min_wait; /* Minimum wait time if loop is down */
1152 uint16_t wait_time; /* Wait time if loop is coming ready */
1153 uint16_t fw_state;
1154
1155 rval = QLA_SUCCESS;
1156
1157 /* 20 seconds for loop down. */
fa2a1ce5 1158 min_wait = 20;
1da177e4
LT		 1159
1160 /*
1161 * Firmware should take at most one RATOV to login, plus 5 seconds for
1162 * our own processing.
1163 */
1164 if ((wait_time = (ha->retry_count*ha->login_timeout) + 5) < min_wait) {
1165 wait_time = min_wait;
1166 }
1167
1168 /* Min wait time if loop down */
1169 mtime = jiffies + (min_wait * HZ);
1170
1171 /* wait time before firmware ready */
1172 wtime = jiffies + (wait_time * HZ);
1173
1174 /* Wait for ISP to finish LIP */
1175 if (!ha->flags.init_done)
1176 qla_printk(KERN_INFO, ha, "Waiting for LIP to complete...\n");
1177
1178 DEBUG3(printk("scsi(%ld): Waiting for LIP to complete...\n",
1179 ha->host_no));
1180
1181 do {
1182 rval = qla2x00_get_firmware_state(ha, &fw_state);
1183 if (rval == QLA_SUCCESS) {
1184 if (fw_state < FSTATE_LOSS_OF_SYNC) {
1185 ha->device_flags &= ~DFLG_NO_CABLE;
1186 }
1187 if (fw_state == FSTATE_READY) {
1188 DEBUG(printk("scsi(%ld): F/W Ready - OK \n",
1189 ha->host_no));
1190
1191 qla2x00_get_retry_cnt(ha, &ha->retry_count,
1192 &ha->login_timeout, &ha->r_a_tov);
1193
1194 rval = QLA_SUCCESS;
1195 break;
1196 }
1197
1198 rval = QLA_FUNCTION_FAILED;
1199
1200 if (atomic_read(&ha->loop_down_timer) &&
7d7abc77 1201 fw_state != FSTATE_READY) {
1da177e4 1202 /* Loop down. Timeout on min_wait for states
fa2a1ce5
AV		 1203 * other than Wait for Login.
1204 */
1da177e4
LT		 1205 if (time_after_eq(jiffies, mtime)) {
1206 qla_printk(KERN_INFO, ha,
1207 "Cable is unplugged...\n");
1208
1209 ha->device_flags |= DFLG_NO_CABLE;
1210 break;
1211 }
1212 }
1213 } else {
1214 /* Mailbox cmd failed. Timeout on min_wait. */
1215 if (time_after_eq(jiffies, mtime))
1216 break;
1217 }
1218
1219 if (time_after_eq(jiffies, wtime))
1220 break;
1221
1222 /* Delay for a while */
1223 msleep(500);
1224
1225 DEBUG3(printk("scsi(%ld): fw_state=%x curr time=%lx.\n",
1226 ha->host_no, fw_state, jiffies));
1227 } while (1);
1228
1229 DEBUG(printk("scsi(%ld): fw_state=%x curr time=%lx.\n",
1230 ha->host_no, fw_state, jiffies));
1231
1232 if (rval) {
1233 DEBUG2_3(printk("scsi(%ld): Firmware ready **** FAILED ****.\n",
1234 ha->host_no));
1235 }
1236
1237 return (rval);
1238}
1239
1240/*
1241* qla2x00_configure_hba
1242* Setup adapter context.
1243*
1244* Input:
1245* ha = adapter state pointer.
1246*
1247* Returns:
1248* 0 = success
1249*
1250* Context:
1251* Kernel context.
1252*/
1253static int
1254qla2x00_configure_hba(scsi_qla_host_t *ha)
1255{
1256 int rval;
1257 uint16_t loop_id;
1258 uint16_t topo;
2c3dfe3f 1259 uint16_t sw_cap;
1da177e4
LT		 1260 uint8_t al_pa;
1261 uint8_t area;
1262 uint8_t domain;
1263 char connect_type[22];
1264
1265 /* Get host addresses. */
1266 rval = qla2x00_get_adapter_id(ha,
2c3dfe3f 1267 &loop_id, &al_pa, &area, &domain, &topo, &sw_cap);
1da177e4 1268 if (rval != QLA_SUCCESS) {
23443b1d 1269 if (LOOP_TRANSITION(ha) || atomic_read(&ha->loop_down_timer) ||
33135aa2
RA		 1270 (rval == QLA_COMMAND_ERROR && loop_id == 0x7)) {
1271 DEBUG2(printk("%s(%ld) Loop is in a transition state\n",
1272 __func__, ha->host_no));
1273 } else {
1274 qla_printk(KERN_WARNING, ha,
1275 "ERROR -- Unable to get host loop ID.\n");
1276 set_bit(ISP_ABORT_NEEDED, &ha->dpc_flags);
1277 }
1da177e4
LT		 1278 return (rval);
1279 }
1280
1281 if (topo == 4) {
1282 qla_printk(KERN_INFO, ha,
1283 "Cannot get topology - retrying.\n");
1284 return (QLA_FUNCTION_FAILED);
1285 }
1286
1287 ha->loop_id = loop_id;
1288
1289 /* initialize */
1290 ha->min_external_loopid = SNS_FIRST_LOOP_ID;
1291 ha->operating_mode = LOOP;
2c3dfe3f 1292 ha->switch_cap = 0;
1da177e4
LT		 1293
1294 switch (topo) {
1295 case 0:
1296 DEBUG3(printk("scsi(%ld): HBA in NL topology.\n",
1297 ha->host_no));
1298 ha->current_topology = ISP_CFG_NL;
1299 strcpy(connect_type, "(Loop)");
1300 break;
1301
1302 case 1:
1303 DEBUG3(printk("scsi(%ld): HBA in FL topology.\n",
1304 ha->host_no));
2c3dfe3f 1305 ha->switch_cap = sw_cap;
1da177e4
LT		 1306 ha->current_topology = ISP_CFG_FL;
1307 strcpy(connect_type, "(FL_Port)");
1308 break;
1309
1310 case 2:
1311 DEBUG3(printk("scsi(%ld): HBA in N P2P topology.\n",
1312 ha->host_no));
1313 ha->operating_mode = P2P;
1314 ha->current_topology = ISP_CFG_N;
1315 strcpy(connect_type, "(N_Port-to-N_Port)");
1316 break;
1317
1318 case 3:
1319 DEBUG3(printk("scsi(%ld): HBA in F P2P topology.\n",
1320 ha->host_no));
2c3dfe3f 1321 ha->switch_cap = sw_cap;
1da177e4
LT		 1322 ha->operating_mode = P2P;
1323 ha->current_topology = ISP_CFG_F;
1324 strcpy(connect_type, "(F_Port)");
1325 break;
1326
1327 default:
1328 DEBUG3(printk("scsi(%ld): HBA in unknown topology %x. "
1329 "Using NL.\n",
1330 ha->host_no, topo));
1331 ha->current_topology = ISP_CFG_NL;
1332 strcpy(connect_type, "(Loop)");
1333 break;
1334 }
1335
1336 /* Save Host port and loop ID. */
1337 /* byte order - Big Endian */
1338 ha->d_id.b.domain = domain;
1339 ha->d_id.b.area = area;
1340 ha->d_id.b.al_pa = al_pa;
1341
1342 if (!ha->flags.init_done)
1343 qla_printk(KERN_INFO, ha,
1344 "Topology - %s, Host Loop address 0x%x\n",
1345 connect_type, ha->loop_id);
1346
1347 if (rval) {
1348 DEBUG2_3(printk("scsi(%ld): FAILED.\n", ha->host_no));
1349 } else {
1350 DEBUG3(printk("scsi(%ld): exiting normally.\n", ha->host_no));
1351 }
1352
1353 return(rval);
1354}
1355
9bb9fcf2
AV		 1356static inline void
1357qla2x00_set_model_info(scsi_qla_host_t *ha, uint8_t *model, size_t len, char *def)
1358{
1359 char *st, *en;
1360 uint16_t index;
1361
1362 if (memcmp(model, BINZERO, len) != 0) {
1363 strncpy(ha->model_number, model, len);
1364 st = en = ha->model_number;
1365 en += len - 1;
1366 while (en > st) {
1367 if (*en != 0x20 && *en != 0x00)
1368 break;
1369 *en-- = '\0';
1370 }
1371
1372 index = (ha->pdev->subsystem_device & 0xff);
1373 if (ha->pdev->subsystem_vendor == PCI_VENDOR_ID_QLOGIC &&
1374 index < QLA_MODEL_NAMES)
1375 ha->model_desc = qla2x00_model_name[index * 2 + 1];
1376 } else {
1377 index = (ha->pdev->subsystem_device & 0xff);
1378 if (ha->pdev->subsystem_vendor == PCI_VENDOR_ID_QLOGIC &&
1379 index < QLA_MODEL_NAMES) {
1380 strcpy(ha->model_number,
1381 qla2x00_model_name[index * 2]);
1382 ha->model_desc = qla2x00_model_name[index * 2 + 1];
1383 } else {
1384 strcpy(ha->model_number, def);
1385 }
1386 }
1387}
1388
4e08df3f
DM		 1389/* On sparc systems, obtain port and node WWN from firmware
1390 * properties.
1391 */
1392static void qla2xxx_nvram_wwn_from_ofw(scsi_qla_host_t *ha, nvram_t *nv)
1393{
1394#ifdef CONFIG_SPARC
1395 struct pci_dev *pdev = ha->pdev;
15576bc8
DM		 1396 struct device_node *dp = pci_device_to_OF_node(pdev);
1397 const u8 *val;
4e08df3f
DM		 1398 int len;
1399
1400 val = of_get_property(dp, "port-wwn", &len);
1401 if (val && len >= WWN_SIZE)
1402 memcpy(nv->port_name, val, WWN_SIZE);
1403
1404 val = of_get_property(dp, "node-wwn", &len);
1405 if (val && len >= WWN_SIZE)
1406 memcpy(nv->node_name, val, WWN_SIZE);
1407#endif
1408}
1409
1da177e4
LT		 1410/*
1411* NVRAM configuration for ISP 2xxx
1412*
1413* Input:
1414* ha = adapter block pointer.
1415*
1416* Output:
1417* initialization control block in response_ring
1418* host adapters parameters in host adapter block
1419*
1420* Returns:
1421* 0 = success.
1422*/
abbd8870 1423int
1da177e4
LT		 1424qla2x00_nvram_config(scsi_qla_host_t *ha)
1425{
4e08df3f 1426 int rval;
0107109e
AV		 1427 uint8_t chksum = 0;
1428 uint16_t cnt;
1429 uint8_t *dptr1, *dptr2;
1430 init_cb_t *icb = ha->init_cb;
1431 nvram_t *nv = (nvram_t *)ha->request_ring;
1432 uint8_t *ptr = (uint8_t *)ha->request_ring;
3d71644c 1433 struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
1da177e4 1434
4e08df3f
DM		 1435 rval = QLA_SUCCESS;
1436
1da177e4 1437 /* Determine NVRAM starting address. */
0107109e 1438 ha->nvram_size = sizeof(nvram_t);
1da177e4
LT		 1439 ha->nvram_base = 0;
1440 if (!IS_QLA2100(ha) && !IS_QLA2200(ha) && !IS_QLA2300(ha))
1441 if ((RD_REG_WORD(&reg->ctrl_status) >> 14) == 1)
1442 ha->nvram_base = 0x80;
1443
1444 /* Get NVRAM data and calculate checksum. */
fd34f556 1445 ha->isp_ops->read_nvram(ha, ptr, ha->nvram_base, ha->nvram_size);
0107109e
AV		 1446 for (cnt = 0, chksum = 0; cnt < ha->nvram_size; cnt++)
1447 chksum += *ptr++;
1da177e4
LT		 1448
1449 DEBUG5(printk("scsi(%ld): Contents of NVRAM\n", ha->host_no));
1450 DEBUG5(qla2x00_dump_buffer((uint8_t *)ha->request_ring,
0107109e 1451 ha->nvram_size));
1da177e4
LT		 1452
1453 /* Bad NVRAM data, set defaults parameters. */
1454 if (chksum || nv->id[0] != 'I' || nv->id[1] != 'S' ||
1455 nv->id[2] != 'P' || nv->id[3] != ' ' || nv->nvram_version < 1) {
1456 /* Reset NVRAM data. */
1457 qla_printk(KERN_WARNING, ha, "Inconsistent NVRAM detected: "
1458 "checksum=0x%x id=%c version=0x%x.\n", chksum, nv->id[0],
1459 nv->nvram_version);
4e08df3f
DM		 1460 qla_printk(KERN_WARNING, ha, "Falling back to functioning (yet "
1461 "invalid -- WWPN) defaults.\n");
1462
1463 /*
1464 * Set default initialization control block.
1465 */
1466 memset(nv, 0, ha->nvram_size);
1467 nv->parameter_block_version = ICB_VERSION;
1468
1469 if (IS_QLA23XX(ha)) {
1470 nv->firmware_options[0] = BIT_2 | BIT_1;
1471 nv->firmware_options[1] = BIT_7 | BIT_5;
1472 nv->add_firmware_options[0] = BIT_5;
1473 nv->add_firmware_options[1] = BIT_5 | BIT_4;
1474 nv->frame_payload_size = __constant_cpu_to_le16(2048);
1475 nv->special_options[1] = BIT_7;
1476 } else if (IS_QLA2200(ha)) {
1477 nv->firmware_options[0] = BIT_2 | BIT_1;
1478 nv->firmware_options[1] = BIT_7 | BIT_5;
1479 nv->add_firmware_options[0] = BIT_5;
1480 nv->add_firmware_options[1] = BIT_5 | BIT_4;
1481 nv->frame_payload_size = __constant_cpu_to_le16(1024);
1482 } else if (IS_QLA2100(ha)) {
1483 nv->firmware_options[0] = BIT_3 | BIT_1;
1484 nv->firmware_options[1] = BIT_5;
1485 nv->frame_payload_size = __constant_cpu_to_le16(1024);
1486 }
1487
1488 nv->max_iocb_allocation = __constant_cpu_to_le16(256);
1489 nv->execution_throttle = __constant_cpu_to_le16(16);
1490 nv->retry_count = 8;
1491 nv->retry_delay = 1;
1492
1493 nv->port_name[0] = 33;
1494 nv->port_name[3] = 224;
1495 nv->port_name[4] = 139;
1496
1497 qla2xxx_nvram_wwn_from_ofw(ha, nv);
1498
1499 nv->login_timeout = 4;
1500
1501 /*
1502 * Set default host adapter parameters
1503 */
1504 nv->host_p[1] = BIT_2;
1505 nv->reset_delay = 5;
1506 nv->port_down_retry_count = 8;
1507 nv->max_luns_per_target = __constant_cpu_to_le16(8);
1508 nv->link_down_timeout = 60;
1509
1510 rval = 1;
1da177e4
LT		 1511 }
1512
1513#if defined(CONFIG_IA64_GENERIC) || defined(CONFIG_IA64_SGI_SN2)
1514 /*
1515 * The SN2 does not provide BIOS emulation which means you can't change
1516 * potentially bogus BIOS settings. Force the use of default settings
1517 * for link rate and frame size. Hope that the rest of the settings
1518 * are valid.
1519 */
1520 if (ia64_platform_is("sn2")) {
1521 nv->frame_payload_size = __constant_cpu_to_le16(2048);
1522 if (IS_QLA23XX(ha))
1523 nv->special_options[1] = BIT_7;
1524 }
1525#endif
1526
1527 /* Reset Initialization control block */
0107109e 1528 memset(icb, 0, ha->init_cb_size);
1da177e4
LT		 1529
1530 /*
1531 * Setup driver NVRAM options.
1532 */
1533 nv->firmware_options[0] |= (BIT_6 | BIT_1);
1534 nv->firmware_options[0] &= ~(BIT_5 | BIT_4);
1535 nv->firmware_options[1] |= (BIT_5 | BIT_0);
1536 nv->firmware_options[1] &= ~BIT_4;
1537
1538 if (IS_QLA23XX(ha)) {
1539 nv->firmware_options[0] |= BIT_2;
1540 nv->firmware_options[0] &= ~BIT_3;
0107109e 1541 nv->add_firmware_options[1] |= BIT_5 | BIT_4;
1da177e4
LT		 1542
1543 if (IS_QLA2300(ha)) {
1544 if (ha->fb_rev == FPM_2310) {
1545 strcpy(ha->model_number, "QLA2310");
1546 } else {
1547 strcpy(ha->model_number, "QLA2300");
1548 }
1549 } else {
9bb9fcf2
AV		 1550 qla2x00_set_model_info(ha, nv->model_number,
1551 sizeof(nv->model_number), "QLA23xx");
1da177e4
LT		 1552 }
1553 } else if (IS_QLA2200(ha)) {
1554 nv->firmware_options[0] |= BIT_2;
1555 /*
1556 * 'Point-to-point preferred, else loop' is not a safe
1557 * connection mode setting.
1558 */
1559 if ((nv->add_firmware_options[0] & (BIT_6 | BIT_5 | BIT_4)) ==
1560 (BIT_5 | BIT_4)) {
1561 /* Force 'loop preferred, else point-to-point'. */
1562 nv->add_firmware_options[0] &= ~(BIT_6 | BIT_5 | BIT_4);
1563 nv->add_firmware_options[0] |= BIT_5;
1564 }
1565 strcpy(ha->model_number, "QLA22xx");
1566 } else /*if (IS_QLA2100(ha))*/ {
1567 strcpy(ha->model_number, "QLA2100");
1568 }
1569
1570 /*
1571 * Copy over NVRAM RISC parameter block to initialization control block.
1572 */
1573 dptr1 = (uint8_t *)icb;
1574 dptr2 = (uint8_t *)&nv->parameter_block_version;
1575 cnt = (uint8_t *)&icb->request_q_outpointer - (uint8_t *)&icb->version;
1576 while (cnt--)
1577 *dptr1++ = *dptr2++;
1578
1579 /* Copy 2nd half. */
1580 dptr1 = (uint8_t *)icb->add_firmware_options;
1581 cnt = (uint8_t *)icb->reserved_3 - (uint8_t *)icb->add_firmware_options;
1582 while (cnt--)
1583 *dptr1++ = *dptr2++;
1584
5341e868
AV		 1585 /* Use alternate WWN? */
1586 if (nv->host_p[1] & BIT_7) {
1587 memcpy(icb->node_name, nv->alternate_node_name, WWN_SIZE);
1588 memcpy(icb->port_name, nv->alternate_port_name, WWN_SIZE);
1589 }
1590
1da177e4
LT		 1591 /* Prepare nodename */
1592 if ((icb->firmware_options[1] & BIT_6) == 0) {
1593 /*
1594 * Firmware will apply the following mask if the nodename was
1595 * not provided.
1596 */
1597 memcpy(icb->node_name, icb->port_name, WWN_SIZE);
1598 icb->node_name[0] &= 0xF0;
1599 }
1600
1601 /*
1602 * Set host adapter parameters.
1603 */
0181944f 1604 if (nv->host_p[0] & BIT_7)
11010fec 1605 ql2xextended_error_logging = 1;
1da177e4
LT		 1606 ha->flags.disable_risc_code_load = ((nv->host_p[0] & BIT_4) ? 1 : 0);
1607 /* Always load RISC code on non ISP2[12]00 chips. */
1608 if (!IS_QLA2100(ha) && !IS_QLA2200(ha))
1609 ha->flags.disable_risc_code_load = 0;
1610 ha->flags.enable_lip_reset = ((nv->host_p[1] & BIT_1) ? 1 : 0);
1611 ha->flags.enable_lip_full_login = ((nv->host_p[1] & BIT_2) ? 1 : 0);
1612 ha->flags.enable_target_reset = ((nv->host_p[1] & BIT_3) ? 1 : 0);
06c22bd1 1613 ha->flags.enable_led_scheme = (nv->special_options[1] & BIT_4) ? 1 : 0;
d4c760c2 1614 ha->flags.disable_serdes = 0;
1da177e4
LT		 1615
1616 ha->operating_mode =
1617 (icb->add_firmware_options[0] & (BIT_6 | BIT_5 | BIT_4)) >> 4;
1618
1619 memcpy(ha->fw_seriallink_options, nv->seriallink_options,
1620 sizeof(ha->fw_seriallink_options));
1621
1622 /* save HBA serial number */
1623 ha->serial0 = icb->port_name[5];
1624 ha->serial1 = icb->port_name[6];
1625 ha->serial2 = icb->port_name[7];
3d71644c
AV		 1626 ha->node_name = icb->node_name;
1627 ha->port_name = icb->port_name;
1da177e4
LT		 1628
1629 icb->execution_throttle = __constant_cpu_to_le16(0xFFFF);
1630
1631 ha->retry_count = nv->retry_count;
1632
1633 /* Set minimum login_timeout to 4 seconds. */
1634 if (nv->login_timeout < ql2xlogintimeout)
1635 nv->login_timeout = ql2xlogintimeout;
1636 if (nv->login_timeout < 4)
1637 nv->login_timeout = 4;
1638 ha->login_timeout = nv->login_timeout;
1639 icb->login_timeout = nv->login_timeout;
1640
1641 /* Set minimum RATOV to 200 tenths of a second. */
1642 ha->r_a_tov = 200;
1643
1da177e4
LT		 1644 ha->loop_reset_delay = nv->reset_delay;
1645
1da177e4
LT		 1646 /* Link Down Timeout = 0:
1647 *
1648 * When Port Down timer expires we will start returning
1649 * I/O's to OS with "DID_NO_CONNECT".
1650 *
1651 * Link Down Timeout != 0:
1652 *
1653 * The driver waits for the link to come up after link down
1654 * before returning I/Os to OS with "DID_NO_CONNECT".
fa2a1ce5 1655 */
1da177e4
LT		 1656 if (nv->link_down_timeout == 0) {
1657 ha->loop_down_abort_time =
354d6b21 1658 (LOOP_DOWN_TIME - LOOP_DOWN_TIMEOUT);
1da177e4
LT		 1659 } else {
1660 ha->link_down_timeout = nv->link_down_timeout;
1661 ha->loop_down_abort_time =
1662 (LOOP_DOWN_TIME - ha->link_down_timeout);
fa2a1ce5 1663 }
1da177e4 1664
1da177e4
LT		 1665 /*
1666 * Need enough time to try and get the port back.
1667 */
1668 ha->port_down_retry_count = nv->port_down_retry_count;
1669 if (qlport_down_retry)
1670 ha->port_down_retry_count = qlport_down_retry;
1671 /* Set login_retry_count */
1672 ha->login_retry_count = nv->retry_count;
1673 if (ha->port_down_retry_count == nv->port_down_retry_count &&
1674 ha->port_down_retry_count > 3)
1675 ha->login_retry_count = ha->port_down_retry_count;
1676 else if (ha->port_down_retry_count > (int)ha->login_retry_count)
1677 ha->login_retry_count = ha->port_down_retry_count;
1678 if (ql2xloginretrycount)
1679 ha->login_retry_count = ql2xloginretrycount;
1680
1da177e4
LT		 1681 icb->lun_enables = __constant_cpu_to_le16(0);
1682 icb->command_resource_count = 0;
1683 icb->immediate_notify_resource_count = 0;
1684 icb->timeout = __constant_cpu_to_le16(0);
1685
1686 if (IS_QLA2100(ha) || IS_QLA2200(ha)) {
1687 /* Enable RIO */
1688 icb->firmware_options[0] &= ~BIT_3;
1689 icb->add_firmware_options[0] &=
1690 ~(BIT_3 | BIT_2 | BIT_1 | BIT_0);
1691 icb->add_firmware_options[0] |= BIT_2;
1692 icb->response_accumulation_timer = 3;
1693 icb->interrupt_delay_timer = 5;
1694
1695 ha->flags.process_response_queue = 1;
1696 } else {
4fdfefe5
AV		 1697 /* Enable ZIO. */
1698 if (!ha->flags.init_done) {
1699 ha->zio_mode = icb->add_firmware_options[0] &
1700 (BIT_3 | BIT_2 | BIT_1 | BIT_0);
1701 ha->zio_timer = icb->interrupt_delay_timer ?
1702 icb->interrupt_delay_timer: 2;
1703 }
1da177e4
LT		 1704 icb->add_firmware_options[0] &=
1705 ~(BIT_3 | BIT_2 | BIT_1 | BIT_0);
4fdfefe5
AV		 1706 ha->flags.process_response_queue = 0;
1707 if (ha->zio_mode != QLA_ZIO_DISABLED) {
4a59f71d 1708 ha->zio_mode = QLA_ZIO_MODE_6;
1709
4fdfefe5
AV		 1710 DEBUG2(printk("scsi(%ld): ZIO mode %d enabled; timer "
1711 "delay (%d us).\n", ha->host_no, ha->zio_mode,
1712 ha->zio_timer * 100));
1da177e4 1713 qla_printk(KERN_INFO, ha,
4fdfefe5
AV		 1714 "ZIO mode %d enabled; timer delay (%d us).\n",
1715 ha->zio_mode, ha->zio_timer * 100);
1da177e4 1716
4fdfefe5
AV		 1717 icb->add_firmware_options[0] |= (uint8_t)ha->zio_mode;
1718 icb->interrupt_delay_timer = (uint8_t)ha->zio_timer;
1da177e4
LT		 1719 ha->flags.process_response_queue = 1;
1720 }
1721 }
1722
4e08df3f
DM		 1723 if (rval) {
1724 DEBUG2_3(printk(KERN_WARNING
1725 "scsi(%ld): NVRAM configuration failed!\n", ha->host_no));
1726 }
1727 return (rval);
1da177e4
LT		 1728}
1729
19a7b4ae
JSEC		 1730static void
1731qla2x00_rport_del(void *data)
1732{
1733 fc_port_t *fcport = data;
d97994dc 1734 struct fc_rport *rport;
1735 unsigned long flags;
1736
1737 spin_lock_irqsave(&fcport->rport_lock, flags);
1738 rport = fcport->drport;
1739 fcport->drport = NULL;
1740 spin_unlock_irqrestore(&fcport->rport_lock, flags);
1741 if (rport)
1742 fc_remote_port_delete(rport);
19a7b4ae
JSEC		 1743}
1744
1da177e4
LT		 1745/**
1746 * qla2x00_alloc_fcport() - Allocate a generic fcport.
1747 * @ha: HA context
1748 * @flags: allocation flags
1749 *
1750 * Returns a pointer to the allocated fcport, or NULL, if none available.
1751 */
413975a0 1752static fc_port_t *
c53033f6 1753qla2x00_alloc_fcport(scsi_qla_host_t *ha, gfp_t flags)
1da177e4
LT		 1754{
1755 fc_port_t *fcport;
1756
1757 fcport = kmalloc(sizeof(fc_port_t), flags);
1758 if (fcport == NULL)
1759 return (fcport);
1760
1761 /* Setup fcport template structure. */
1762 memset(fcport, 0, sizeof (fc_port_t));
1763 fcport->ha = ha;
2c3dfe3f 1764 fcport->vp_idx = ha->vp_idx;
1da177e4
LT		 1765 fcport->port_type = FCT_UNKNOWN;
1766 fcport->loop_id = FC_NO_LOOP_ID;
1da177e4
LT		 1767 atomic_set(&fcport->state, FCS_UNCONFIGURED);
1768 fcport->flags = FCF_RLC_SUPPORT;
ad3e0eda 1769 fcport->supported_classes = FC_COS_UNSPECIFIED;
d97994dc 1770 spin_lock_init(&fcport->rport_lock);
1da177e4
LT		 1771
1772 return (fcport);
1773}
1774
1775/*
1776 * qla2x00_configure_loop
1777 * Updates Fibre Channel Device Database with what is actually on loop.
1778 *
1779 * Input:
1780 * ha = adapter block pointer.
1781 *
1782 * Returns:
1783 * 0 = success.
1784 * 1 = error.
1785 * 2 = database was full and device was not configured.
1786 */
1787static int
fa2a1ce5 1788qla2x00_configure_loop(scsi_qla_host_t *ha)
1da177e4
LT		 1789{
1790 int rval;
1791 unsigned long flags, save_flags;
1792
1793 rval = QLA_SUCCESS;
1794
1795 /* Get Initiator ID */
1796 if (test_bit(LOCAL_LOOP_UPDATE, &ha->dpc_flags)) {
1797 rval = qla2x00_configure_hba(ha);
1798 if (rval != QLA_SUCCESS) {
1799 DEBUG(printk("scsi(%ld): Unable to configure HBA.\n",
1800 ha->host_no));
1801 return (rval);
1802 }
1803 }
1804
1805 save_flags = flags = ha->dpc_flags;
1806 DEBUG(printk("scsi(%ld): Configure loop -- dpc flags =0x%lx\n",
1807 ha->host_no, flags));
1808
1809 /*
1810 * If we have both an RSCN and PORT UPDATE pending then handle them
1811 * both at the same time.
1812 */
1813 clear_bit(LOCAL_LOOP_UPDATE, &ha->dpc_flags);
1814 clear_bit(RSCN_UPDATE, &ha->dpc_flags);
1da177e4
LT		 1815
1816 /* Determine what we need to do */
1817 if (ha->current_topology == ISP_CFG_FL &&
1818 (test_bit(LOCAL_LOOP_UPDATE, &flags))) {
1819
1820 ha->flags.rscn_queue_overflow = 1;
1821 set_bit(RSCN_UPDATE, &flags);
1822
1823 } else if (ha->current_topology == ISP_CFG_F &&
1824 (test_bit(LOCAL_LOOP_UPDATE, &flags))) {
1825
1826 ha->flags.rscn_queue_overflow = 1;
1827 set_bit(RSCN_UPDATE, &flags);
1828 clear_bit(LOCAL_LOOP_UPDATE, &flags);
21333b48
AV		 1829
1830 } else if (ha->current_topology == ISP_CFG_N) {
1831 clear_bit(RSCN_UPDATE, &flags);
1da177e4
LT		 1832
1833 } else if (!ha->flags.online ||
1834 (test_bit(ABORT_ISP_ACTIVE, &flags))) {
1835
1836 ha->flags.rscn_queue_overflow = 1;
1837 set_bit(RSCN_UPDATE, &flags);
1838 set_bit(LOCAL_LOOP_UPDATE, &flags);
1839 }
1840
1841 if (test_bit(LOCAL_LOOP_UPDATE, &flags)) {
1842 if (test_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags)) {
1843 rval = QLA_FUNCTION_FAILED;
1844 } else {
1845 rval = qla2x00_configure_local_loop(ha);
1846 }
1847 }
1848
1849 if (rval == QLA_SUCCESS && test_bit(RSCN_UPDATE, &flags)) {
23443b1d 1850 if (LOOP_TRANSITION(ha)) {
1da177e4
LT		 1851 rval = QLA_FUNCTION_FAILED;
1852 } else {
1853 rval = qla2x00_configure_fabric(ha);
1854 }
1855 }
1856
1857 if (rval == QLA_SUCCESS) {
1858 if (atomic_read(&ha->loop_down_timer) ||
1859 test_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags)) {
1860 rval = QLA_FUNCTION_FAILED;
1861 } else {
1da177e4
LT		 1862 atomic_set(&ha->loop_state, LOOP_READY);
1863
1864 DEBUG(printk("scsi(%ld): LOOP READY\n", ha->host_no));
1865 }
1866 }
1867
1868 if (rval) {
1869 DEBUG2_3(printk("%s(%ld): *** FAILED ***\n",
1870 __func__, ha->host_no));
1871 } else {
1872 DEBUG3(printk("%s: exiting normally\n", __func__));
1873 }
1874
1875 /* Restore state if a resync event occured during processing */
1876 if (test_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags)) {
1877 if (test_bit(LOCAL_LOOP_UPDATE, &save_flags))
1878 set_bit(LOCAL_LOOP_UPDATE, &ha->dpc_flags);
1879 if (test_bit(RSCN_UPDATE, &save_flags))
1880 set_bit(RSCN_UPDATE, &ha->dpc_flags);
1881 }
1882
1883 return (rval);
1884}
1885
1886
1887
1888/*
1889 * qla2x00_configure_local_loop
1890 * Updates Fibre Channel Device Database with local loop devices.
1891 *
1892 * Input:
1893 * ha = adapter block pointer.
1894 *
1895 * Returns:
1896 * 0 = success.
1897 */
1898static int
fa2a1ce5 1899qla2x00_configure_local_loop(scsi_qla_host_t *ha)
1da177e4
LT		 1900{
1901 int rval, rval2;
1902 int found_devs;
1903 int found;
1904 fc_port_t *fcport, *new_fcport;
1905
1906 uint16_t index;
1907 uint16_t entries;
1908 char *id_iter;
1909 uint16_t loop_id;
1910 uint8_t domain, area, al_pa;
2c3dfe3f 1911 scsi_qla_host_t *pha = to_qla_parent(ha);
1da177e4
LT		 1912
1913 found_devs = 0;
1914 new_fcport = NULL;
1915 entries = MAX_FIBRE_DEVICES;
1916
1917 DEBUG3(printk("scsi(%ld): Getting FCAL position map\n", ha->host_no));
1918 DEBUG3(qla2x00_get_fcal_position_map(ha, NULL));
1919
1920 /* Get list of logged in devices. */
1921 memset(ha->gid_list, 0, GID_LIST_SIZE);
1922 rval = qla2x00_get_id_list(ha, ha->gid_list, ha->gid_list_dma,
1923 &entries);
1924 if (rval != QLA_SUCCESS)
1925 goto cleanup_allocation;
1926
1927 DEBUG3(printk("scsi(%ld): Entries in ID list (%d)\n",
1928 ha->host_no, entries));
1929 DEBUG3(qla2x00_dump_buffer((uint8_t *)ha->gid_list,
1930 entries * sizeof(struct gid_list_info)));
1931
1932 /* Allocate temporary fcport for any new fcports discovered. */
1933 new_fcport = qla2x00_alloc_fcport(ha, GFP_KERNEL);
1934 if (new_fcport == NULL) {
1935 rval = QLA_MEMORY_ALLOC_FAILED;
1936 goto cleanup_allocation;
1937 }
1938 new_fcport->flags &= ~FCF_FABRIC_DEVICE;
1939
1940 /*
1941 * Mark local devices that were present with FCF_DEVICE_LOST for now.
1942 */
2c3dfe3f
SJ		 1943 list_for_each_entry(fcport, &pha->fcports, list) {
1944 if (fcport->vp_idx != ha->vp_idx)
1945 continue;
1946
1da177e4
LT		 1947 if (atomic_read(&fcport->state) == FCS_ONLINE &&
1948 fcport->port_type != FCT_BROADCAST &&
1949 (fcport->flags & FCF_FABRIC_DEVICE) == 0) {
1950
1951 DEBUG(printk("scsi(%ld): Marking port lost, "
1952 "loop_id=0x%04x\n",
1953 ha->host_no, fcport->loop_id));
1954
1955 atomic_set(&fcport->state, FCS_DEVICE_LOST);
1956 fcport->flags &= ~FCF_FARP_DONE;
1957 }
1958 }
1959
1960 /* Add devices to port list. */
1961 id_iter = (char *)ha->gid_list;
1962 for (index = 0; index < entries; index++) {
1963 domain = ((struct gid_list_info *)id_iter)->domain;
1964 area = ((struct gid_list_info *)id_iter)->area;
1965 al_pa = ((struct gid_list_info *)id_iter)->al_pa;
abbd8870 1966 if (IS_QLA2100(ha) || IS_QLA2200(ha))
1da177e4
LT		 1967 loop_id = (uint16_t)
1968 ((struct gid_list_info *)id_iter)->loop_id_2100;
abbd8870 1969 else
1da177e4
LT		 1970 loop_id = le16_to_cpu(
1971 ((struct gid_list_info *)id_iter)->loop_id);
abbd8870 1972 id_iter += ha->gid_list_info_size;
1da177e4
LT		 1973
1974 /* Bypass reserved domain fields. */
1975 if ((domain & 0xf0) == 0xf0)
1976 continue;
1977
1978 /* Bypass if not same domain and area of adapter. */
f7d289f6
AV		 1979 if (area && domain &&
1980 (area != ha->d_id.b.area || domain != ha->d_id.b.domain))
1da177e4
LT		 1981 continue;
1982
1983 /* Bypass invalid local loop ID. */
1984 if (loop_id > LAST_LOCAL_LOOP_ID)
1985 continue;
1986
1987 /* Fill in member data. */
1988 new_fcport->d_id.b.domain = domain;
1989 new_fcport->d_id.b.area = area;
1990 new_fcport->d_id.b.al_pa = al_pa;
1991 new_fcport->loop_id = loop_id;
2c3dfe3f 1992 new_fcport->vp_idx = ha->vp_idx;
1da177e4
LT		 1993 rval2 = qla2x00_get_port_database(ha, new_fcport, 0);
1994 if (rval2 != QLA_SUCCESS) {
1995 DEBUG2(printk("scsi(%ld): Failed to retrieve fcport "
1996 "information -- get_port_database=%x, "
1997 "loop_id=0x%04x\n",
1998 ha->host_no, rval2, new_fcport->loop_id));
c9d02acf 1999 DEBUG2(printk("scsi(%ld): Scheduling resync...\n",
2000 ha->host_no));
2001 set_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags);
1da177e4
LT		 2002 continue;
2003 }
2004
2005 /* Check for matching device in port list. */
2006 found = 0;
2007 fcport = NULL;
2c3dfe3f
SJ		 2008 list_for_each_entry(fcport, &pha->fcports, list) {
2009 if (fcport->vp_idx != ha->vp_idx)
2010 continue;
2011
1da177e4
LT		 2012 if (memcmp(new_fcport->port_name, fcport->port_name,
2013 WWN_SIZE))
2014 continue;
2015
2016 fcport->flags &= ~(FCF_FABRIC_DEVICE |
2017 FCF_PERSISTENT_BOUND);
2018 fcport->loop_id = new_fcport->loop_id;
2019 fcport->port_type = new_fcport->port_type;
2020 fcport->d_id.b24 = new_fcport->d_id.b24;
2021 memcpy(fcport->node_name, new_fcport->node_name,
2022 WWN_SIZE);
2023
2024 found++;
2025 break;
2026 }
2027
2028 if (!found) {
2029 /* New device, add to fcports list. */
2030 new_fcport->flags &= ~FCF_PERSISTENT_BOUND;
2c3dfe3f
SJ		 2031 if (ha->parent) {
2032 new_fcport->ha = ha;
2033 new_fcport->vp_idx = ha->vp_idx;
2034 list_add_tail(&new_fcport->vp_fcport,
2035 &ha->vp_fcports);
2036 }
2037 list_add_tail(&new_fcport->list, &pha->fcports);
1da177e4
LT		 2038
2039 /* Allocate a new replacement fcport. */
2040 fcport = new_fcport;
2041 new_fcport = qla2x00_alloc_fcport(ha, GFP_KERNEL);
2042 if (new_fcport == NULL) {
2043 rval = QLA_MEMORY_ALLOC_FAILED;
2044 goto cleanup_allocation;
2045 }
2046 new_fcport->flags &= ~FCF_FABRIC_DEVICE;
2047 }
2048
d8b45213
AV		 2049 /* Base iIDMA settings on HBA port speed. */
2050 switch (ha->link_data_rate) {
2051 case PORT_SPEED_1GB:
2052 fcport->fp_speed = cpu_to_be16(BIT_15);
2053 break;
2054 case PORT_SPEED_2GB:
2055 fcport->fp_speed = cpu_to_be16(BIT_14);
2056 break;
2057 case PORT_SPEED_4GB:
2058 fcport->fp_speed = cpu_to_be16(BIT_13);
2059 break;
2060 }
2061
1da177e4
LT		 2062 qla2x00_update_fcport(ha, fcport);
2063
2064 found_devs++;
2065 }
2066
2067cleanup_allocation:
c9475cb0 2068 kfree(new_fcport);
1da177e4
LT		 2069
2070 if (rval != QLA_SUCCESS) {
2071 DEBUG2(printk("scsi(%ld): Configure local loop error exit: "
2072 "rval=%x\n", ha->host_no, rval));
2073 }
2074
2075 if (found_devs) {
2076 ha->device_flags |= DFLG_LOCAL_DEVICES;
2077 ha->device_flags &= ~DFLG_RETRY_LOCAL_DEVICES;
2078 }
2079
2080 return (rval);
2081}
2082
2083static void
fa2a1ce5 2084qla2x00_probe_for_all_luns(scsi_qla_host_t *ha)
1da177e4
LT		 2085{
2086 fc_port_t *fcport;
2087
d97994dc 2088 qla2x00_mark_all_devices_lost(ha, 0);
1da177e4
LT		 2089 list_for_each_entry(fcport, &ha->fcports, list) {
2090 if (fcport->port_type != FCT_TARGET)
2091 continue;
2092
fa2a1ce5 2093 qla2x00_update_fcport(ha, fcport);
1da177e4
LT		 2094 }
2095}
2096
d8b45213
AV		 2097static void
2098qla2x00_iidma_fcport(scsi_qla_host_t *ha, fc_port_t *fcport)
2099{
2100#define LS_UNKNOWN 2
2101 static char *link_speeds[5] = { "1", "2", "?", "4" };
2102 int rval;
2103 uint16_t port_speed, mb[6];
2104
c76f2c01 2105 if (!IS_IIDMA_CAPABLE(ha))
d8b45213
AV		 2106 return;
2107
2108 switch (be16_to_cpu(fcport->fp_speed)) {
2109 case BIT_15:
2110 port_speed = PORT_SPEED_1GB;
2111 break;
2112 case BIT_14:
2113 port_speed = PORT_SPEED_2GB;
2114 break;
2115 case BIT_13:
2116 port_speed = PORT_SPEED_4GB;
2117 break;
2118 default:
2119 DEBUG2(printk("scsi(%ld): %02x%02x%02x%02x%02x%02x%02x%02x -- "
2120 "unsupported FM port operating speed (%04x).\n",
2121 ha->host_no, fcport->port_name[0], fcport->port_name[1],
2122 fcport->port_name[2], fcport->port_name[3],
2123 fcport->port_name[4], fcport->port_name[5],
2124 fcport->port_name[6], fcport->port_name[7],
2125 be16_to_cpu(fcport->fp_speed)));
2126 port_speed = PORT_SPEED_UNKNOWN;
2127 break;
2128 }
2129 if (port_speed == PORT_SPEED_UNKNOWN)
2130 return;
2131
2132 rval = qla2x00_set_idma_speed(ha, fcport->loop_id, port_speed, mb);
2133 if (rval != QLA_SUCCESS) {
2134 DEBUG2(printk("scsi(%ld): Unable to adjust iIDMA "
2135 "%02x%02x%02x%02x%02x%02x%02x%02x -- %04x %x %04x %04x.\n",
2136 ha->host_no, fcport->port_name[0], fcport->port_name[1],
2137 fcport->port_name[2], fcport->port_name[3],
2138 fcport->port_name[4], fcport->port_name[5],
2139 fcport->port_name[6], fcport->port_name[7], rval,
2140 port_speed, mb[0], mb[1]));
2141 } else {
2142 DEBUG2(qla_printk(KERN_INFO, ha,
2143 "iIDMA adjusted to %s GB/s on "
2144 "%02x%02x%02x%02x%02x%02x%02x%02x.\n",
2145 link_speeds[port_speed], fcport->port_name[0],
2146 fcport->port_name[1], fcport->port_name[2],
2147 fcport->port_name[3], fcport->port_name[4],
2148 fcport->port_name[5], fcport->port_name[6],
2149 fcport->port_name[7]));
2150 }
2151}
2152
23be331d 2153static void
8482e118 2154qla2x00_reg_remote_port(scsi_qla_host_t *ha, fc_port_t *fcport)
2155{
2156 struct fc_rport_identifiers rport_ids;
bdf79621 2157 struct fc_rport *rport;
d97994dc 2158 unsigned long flags;
8482e118 2159
d97994dc 2160 if (fcport->drport)
2161 qla2x00_rport_del(fcport);
2162 if (fcport->rport)
2163 return;
8482e118 2164
f8b02a85
AV		 2165 rport_ids.node_name = wwn_to_u64(fcport->node_name);
2166 rport_ids.port_name = wwn_to_u64(fcport->port_name);
8482e118 2167 rport_ids.port_id = fcport->d_id.b.domain << 16 |
2168 fcport->d_id.b.area << 8 | fcport->d_id.b.al_pa;
77d74143 2169 rport_ids.roles = FC_RPORT_ROLE_UNKNOWN;
d97994dc 2170 rport = fc_remote_port_add(ha->host, 0, &rport_ids);
77d74143
AV		 2171 if (!rport) {
2172 qla_printk(KERN_WARNING, ha,
2173 "Unable to allocate fc remote port!\n");
2174 return;
2175 }
d97994dc 2176 spin_lock_irqsave(&fcport->rport_lock, flags);
2177 fcport->rport = rport;
19a7b4ae 2178 *((fc_port_t **)rport->dd_data) = fcport;
d97994dc 2179 spin_unlock_irqrestore(&fcport->rport_lock, flags);
2180
ad3e0eda 2181 rport->supported_classes = fcport->supported_classes;
77d74143 2182
8482e118 2183 rport_ids.roles = FC_RPORT_ROLE_UNKNOWN;
2184 if (fcport->port_type == FCT_INITIATOR)
2185 rport_ids.roles |= FC_RPORT_ROLE_FCP_INITIATOR;
2186 if (fcport->port_type == FCT_TARGET)
2187 rport_ids.roles |= FC_RPORT_ROLE_FCP_TARGET;
77d74143 2188 fc_remote_port_rolechg(rport, rport_ids.roles);
1da177e4 2189
cc4731f5
AV		 2190 if (rport->scsi_target_id != -1 &&
2191 rport->scsi_target_id < ha->host->max_id)
bdf79621 2192 fcport->os_target_id = rport->scsi_target_id;
1da177e4
LT		 2193}
2194
23be331d
AB		 2195/*
2196 * qla2x00_update_fcport
2197 * Updates device on list.
2198 *
2199 * Input:
2200 * ha = adapter block pointer.
2201 * fcport = port structure pointer.
2202 *
2203 * Return:
2204 * 0 - Success
2205 * BIT_0 - error
2206 *
2207 * Context:
2208 * Kernel context.
2209 */
2210void
2211qla2x00_update_fcport(scsi_qla_host_t *ha, fc_port_t *fcport)
2212{
2c3dfe3f
SJ		 2213 scsi_qla_host_t *pha = to_qla_parent(ha);
2214
23be331d
AB		 2215 fcport->ha = ha;
2216 fcport->login_retry = 0;
2c3dfe3f 2217 fcport->port_login_retry_count = pha->port_down_retry_count *
23be331d 2218 PORT_RETRY_TIME;
2c3dfe3f 2219 atomic_set(&fcport->port_down_timer, pha->port_down_retry_count *
23be331d
AB		 2220 PORT_RETRY_TIME);
2221 fcport->flags &= ~FCF_LOGIN_NEEDED;
2222
2223 qla2x00_iidma_fcport(ha, fcport);
2224
2225 atomic_set(&fcport->state, FCS_ONLINE);
2226
2227 qla2x00_reg_remote_port(ha, fcport);
2228}
2229
1da177e4
LT		 2230/*
2231 * qla2x00_configure_fabric
2232 * Setup SNS devices with loop ID's.
2233 *
2234 * Input:
2235 * ha = adapter block pointer.
2236 *
2237 * Returns:
2238 * 0 = success.
2239 * BIT_0 = error
2240 */
2241static int
2242qla2x00_configure_fabric(scsi_qla_host_t *ha)
2243{
2244 int rval, rval2;
2245 fc_port_t *fcport, *fcptemp;
2246 uint16_t next_loopid;
2247 uint16_t mb[MAILBOX_REGISTER_COUNT];
0107109e 2248 uint16_t loop_id;
1da177e4 2249 LIST_HEAD(new_fcports);
2c3dfe3f 2250 scsi_qla_host_t *pha = to_qla_parent(ha);
1da177e4
LT		 2251
2252 /* If FL port exists, then SNS is present */
e428924c 2253 if (IS_FWI2_CAPABLE(ha))
0107109e
AV		 2254 loop_id = NPH_F_PORT;
2255 else
2256 loop_id = SNS_FL_PORT;
90991c85 2257 rval = qla2x00_get_port_name(ha, loop_id, ha->fabric_node_name, 1);
1da177e4
LT		 2258 if (rval != QLA_SUCCESS) {
2259 DEBUG2(printk("scsi(%ld): MBC_GET_PORT_NAME Failed, No FL "
2260 "Port\n", ha->host_no));
2261
2262 ha->device_flags &= ~SWITCH_FOUND;
2263 return (QLA_SUCCESS);
2264 }
90991c85 2265 ha->device_flags |= SWITCH_FOUND;
1da177e4
LT		 2266
2267 /* Mark devices that need re-synchronization. */
2268 rval2 = qla2x00_device_resync(ha);
2269 if (rval2 == QLA_RSCNS_HANDLED) {
2270 /* No point doing the scan, just continue. */
2271 return (QLA_SUCCESS);
2272 }
2273 do {
cca5335c
AV		 2274 /* FDMI support. */
2275 if (ql2xfdmienable &&
2276 test_and_clear_bit(REGISTER_FDMI_NEEDED, &ha->dpc_flags))
2277 qla2x00_fdmi_register(ha);
2278
1da177e4 2279 /* Ensure we are logged into the SNS. */
e428924c 2280 if (IS_FWI2_CAPABLE(ha))
0107109e
AV		 2281 loop_id = NPH_SNS;
2282 else
2283 loop_id = SIMPLE_NAME_SERVER;
fd34f556 2284 ha->isp_ops->fabric_login(ha, loop_id, 0xff, 0xff,
abbd8870 2285 0xfc, mb, BIT_1 | BIT_0);
1da177e4
LT		 2286 if (mb[0] != MBS_COMMAND_COMPLETE) {
2287 DEBUG2(qla_printk(KERN_INFO, ha,
2288 "Failed SNS login: loop_id=%x mb[0]=%x mb[1]=%x "
0107109e 2289 "mb[2]=%x mb[6]=%x mb[7]=%x\n", loop_id,
1da177e4
LT		 2290 mb[0], mb[1], mb[2], mb[6], mb[7]));
2291 return (QLA_SUCCESS);
2292 }
2293
2294 if (test_and_clear_bit(REGISTER_FC4_NEEDED, &ha->dpc_flags)) {
2295 if (qla2x00_rft_id(ha)) {
2296 /* EMPTY */
2297 DEBUG2(printk("scsi(%ld): Register FC-4 "
2298 "TYPE failed.\n", ha->host_no));
2299 }
2300 if (qla2x00_rff_id(ha)) {
2301 /* EMPTY */
2302 DEBUG2(printk("scsi(%ld): Register FC-4 "
2303 "Features failed.\n", ha->host_no));
2304 }
2305 if (qla2x00_rnn_id(ha)) {
2306 /* EMPTY */
2307 DEBUG2(printk("scsi(%ld): Register Node Name "
2308 "failed.\n", ha->host_no));
2309 } else if (qla2x00_rsnn_nn(ha)) {
2310 /* EMPTY */
2311 DEBUG2(printk("scsi(%ld): Register Symbolic "
2312 "Node Name failed.\n", ha->host_no));
2313 }
2314 }
2315
2316 rval = qla2x00_find_all_fabric_devs(ha, &new_fcports);
2317 if (rval != QLA_SUCCESS)
2318 break;
2319
2320 /*
2321 * Logout all previous fabric devices marked lost, except
2322 * tape devices.
2323 */
2c3dfe3f
SJ		 2324 list_for_each_entry(fcport, &pha->fcports, list) {
2325 if (fcport->vp_idx !=ha->vp_idx)
2326 continue;
2327
1da177e4
LT		 2328 if (test_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags))
2329 break;
2330
2331 if ((fcport->flags & FCF_FABRIC_DEVICE) == 0)
2332 continue;
2333
2334 if (atomic_read(&fcport->state) == FCS_DEVICE_LOST) {
2335 qla2x00_mark_device_lost(ha, fcport,
d97994dc 2336 ql2xplogiabsentdevice, 0);
1da177e4
LT		 2337 if (fcport->loop_id != FC_NO_LOOP_ID &&
2338 (fcport->flags & FCF_TAPE_PRESENT) == 0 &&
2339 fcport->port_type != FCT_INITIATOR &&
2340 fcport->port_type != FCT_BROADCAST) {
fd34f556 2341 ha->isp_ops->fabric_logout(ha,
1c7c6357
AV		 2342 fcport->loop_id,
2343 fcport->d_id.b.domain,
2344 fcport->d_id.b.area,
2345 fcport->d_id.b.al_pa);
1da177e4
LT		 2346 fcport->loop_id = FC_NO_LOOP_ID;
2347 }
2348 }
2349 }
2350
2351 /* Starting free loop ID. */
2c3dfe3f 2352 next_loopid = pha->min_external_loopid;
1da177e4
LT		 2353
2354 /*
2355 * Scan through our port list and login entries that need to be
2356 * logged in.
2357 */
2c3dfe3f
SJ		 2358 list_for_each_entry(fcport, &pha->fcports, list) {
2359 if (fcport->vp_idx != ha->vp_idx)
2360 continue;
2361
1da177e4
LT		 2362 if (atomic_read(&ha->loop_down_timer) ||
2363 test_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags))
2364 break;
2365
2366 if ((fcport->flags & FCF_FABRIC_DEVICE) == 0 ||
2367 (fcport->flags & FCF_LOGIN_NEEDED) == 0)
2368 continue;
2369
2370 if (fcport->loop_id == FC_NO_LOOP_ID) {
2371 fcport->loop_id = next_loopid;
2372 rval = qla2x00_find_new_loop_id(ha, fcport);
2373 if (rval != QLA_SUCCESS) {
2374 /* Ran out of IDs to use */
2375 break;
2376 }
2377 }
1da177e4
LT		 2378 /* Login and update database */
2379 qla2x00_fabric_dev_login(ha, fcport, &next_loopid);
2380 }
2381
2382 /* Exit if out of loop IDs. */
2383 if (rval != QLA_SUCCESS) {
2384 break;
2385 }
2386
2387 /*
2388 * Login and add the new devices to our port list.
2389 */
2390 list_for_each_entry_safe(fcport, fcptemp, &new_fcports, list) {
2391 if (atomic_read(&ha->loop_down_timer) ||
2392 test_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags))
2393 break;
2394
2395 /* Find a new loop ID to use. */
2396 fcport->loop_id = next_loopid;
2397 rval = qla2x00_find_new_loop_id(ha, fcport);
2398 if (rval != QLA_SUCCESS) {
2399 /* Ran out of IDs to use */
2400 break;
2401 }
2402
bdf79621 2403 /* Login and update database */
2404 qla2x00_fabric_dev_login(ha, fcport, &next_loopid);
2c3dfe3f
SJ		 2405
2406 if (ha->parent) {
2407 fcport->ha = ha;
2408 fcport->vp_idx = ha->vp_idx;
2409 list_add_tail(&fcport->vp_fcport,
2410 &ha->vp_fcports);
2411 list_move_tail(&fcport->list,
2412 &ha->parent->fcports);
2413 } else
2414 list_move_tail(&fcport->list, &ha->fcports);
1da177e4
LT		 2415 }
2416 } while (0);
2417
2418 /* Free all new device structures not processed. */
2419 list_for_each_entry_safe(fcport, fcptemp, &new_fcports, list) {
2420 list_del(&fcport->list);
2421 kfree(fcport);
2422 }
2423
2424 if (rval) {
2425 DEBUG2(printk("scsi(%ld): Configure fabric error exit: "
2426 "rval=%d\n", ha->host_no, rval));
2427 }
2428
2429 return (rval);
2430}
2431
2432
2433/*
2434 * qla2x00_find_all_fabric_devs
2435 *
2436 * Input:
2437 * ha = adapter block pointer.
2438 * dev = database device entry pointer.
2439 *
2440 * Returns:
2441 * 0 = success.
2442 *
2443 * Context:
2444 * Kernel context.
2445 */
2446static int
2447qla2x00_find_all_fabric_devs(scsi_qla_host_t *ha, struct list_head *new_fcports)
2448{
2449 int rval;
2450 uint16_t loop_id;
2451 fc_port_t *fcport, *new_fcport, *fcptemp;
2452 int found;
2453
2454 sw_info_t *swl;
2455 int swl_idx;
2456 int first_dev, last_dev;
2457 port_id_t wrap, nxt_d_id;
2c3dfe3f
SJ		 2458 int vp_index;
2459 int empty_vp_index;
2460 int found_vp;
2461 scsi_qla_host_t *vha;
2462 scsi_qla_host_t *pha = to_qla_parent(ha);
1da177e4
LT		 2463
2464 rval = QLA_SUCCESS;
2465
2466 /* Try GID_PT to get device list, else GAN. */
2467 swl = kmalloc(sizeof(sw_info_t) * MAX_FIBRE_DEVICES, GFP_ATOMIC);
2468 if (swl == NULL) {
2469 /*EMPTY*/
2470 DEBUG2(printk("scsi(%ld): GID_PT allocations failed, fallback "
2471 "on GA_NXT\n", ha->host_no));
2472 } else {
2473 memset(swl, 0, sizeof(sw_info_t) * MAX_FIBRE_DEVICES);
2474 if (qla2x00_gid_pt(ha, swl) != QLA_SUCCESS) {
2475 kfree(swl);
2476 swl = NULL;
2477 } else if (qla2x00_gpn_id(ha, swl) != QLA_SUCCESS) {
2478 kfree(swl);
2479 swl = NULL;
2480 } else if (qla2x00_gnn_id(ha, swl) != QLA_SUCCESS) {
2481 kfree(swl);
2482 swl = NULL;
d8b45213
AV		 2483 } else if (qla2x00_gfpn_id(ha, swl) == QLA_SUCCESS) {
2484 qla2x00_gpsc(ha, swl);
1da177e4
LT		 2485 }
2486 }
2487 swl_idx = 0;
2488
2489 /* Allocate temporary fcport for any new fcports discovered. */
2490 new_fcport = qla2x00_alloc_fcport(ha, GFP_KERNEL);
2491 if (new_fcport == NULL) {
c9475cb0 2492 kfree(swl);
1da177e4
LT		 2493 return (QLA_MEMORY_ALLOC_FAILED);
2494 }
2495 new_fcport->flags |= (FCF_FABRIC_DEVICE | FCF_LOGIN_NEEDED);
2c3dfe3f 2496 new_fcport->vp_idx = ha->vp_idx;
1da177e4
LT		 2497 /* Set start port ID scan at adapter ID. */
2498 first_dev = 1;
2499 last_dev = 0;
2500
2501 /* Starting free loop ID. */
2c3dfe3f 2502 loop_id = pha->min_external_loopid;
1da177e4 2503 for (; loop_id <= ha->last_loop_id; loop_id++) {
3d71644c 2504 if (qla2x00_is_reserved_id(ha, loop_id))
1da177e4
LT		 2505 continue;
2506
23443b1d 2507 if (atomic_read(&ha->loop_down_timer) || LOOP_TRANSITION(ha))
1da177e4
LT		 2508 break;
2509
2510 if (swl != NULL) {
2511 if (last_dev) {
2512 wrap.b24 = new_fcport->d_id.b24;
2513 } else {
2514 new_fcport->d_id.b24 = swl[swl_idx].d_id.b24;
2515 memcpy(new_fcport->node_name,
2516 swl[swl_idx].node_name, WWN_SIZE);
2517 memcpy(new_fcport->port_name,
2518 swl[swl_idx].port_name, WWN_SIZE);
d8b45213
AV		 2519 memcpy(new_fcport->fabric_port_name,
2520 swl[swl_idx].fabric_port_name, WWN_SIZE);
2521 new_fcport->fp_speed = swl[swl_idx].fp_speed;
1da177e4
LT		 2522
2523 if (swl[swl_idx].d_id.b.rsvd_1 != 0) {
2524 last_dev = 1;
2525 }
2526 swl_idx++;
2527 }
2528 } else {
2529 /* Send GA_NXT to the switch */
2530 rval = qla2x00_ga_nxt(ha, new_fcport);
2531 if (rval != QLA_SUCCESS) {
2532 qla_printk(KERN_WARNING, ha,
2533 "SNS scan failed -- assuming zero-entry "
2534 "result...\n");
2535 list_for_each_entry_safe(fcport, fcptemp,
2536 new_fcports, list) {
2537 list_del(&fcport->list);
2538 kfree(fcport);
2539 }
2540 rval = QLA_SUCCESS;
2541 break;
2542 }
2543 }
2544
2545 /* If wrap on switch device list, exit. */
2546 if (first_dev) {
2547 wrap.b24 = new_fcport->d_id.b24;
2548 first_dev = 0;
2549 } else if (new_fcport->d_id.b24 == wrap.b24) {
2550 DEBUG2(printk("scsi(%ld): device wrap (%02x%02x%02x)\n",
2551 ha->host_no, new_fcport->d_id.b.domain,
2552 new_fcport->d_id.b.area, new_fcport->d_id.b.al_pa));
2553 break;
2554 }
2555
2c3dfe3f
SJ		 2556 /* Bypass if same physical adapter. */
2557 if (new_fcport->d_id.b24 == pha->d_id.b24)
1da177e4
LT		 2558 continue;
2559
2c3dfe3f
SJ		 2560 /* Bypass virtual ports of the same host. */
2561 if (pha->num_vhosts) {
2562 vp_index = find_next_bit(
2563 (unsigned long *)pha->vp_idx_map,
2564 MAX_MULTI_ID_FABRIC + 1, 1);
2565
2566 for (;vp_index <= MAX_MULTI_ID_FABRIC;
2567 vp_index = find_next_bit(
2568 (unsigned long *)pha->vp_idx_map,
2569 MAX_MULTI_ID_FABRIC + 1, vp_index + 1)) {
2570 empty_vp_index = 1;
2571 found_vp = 0;
2572 list_for_each_entry(vha, &pha->vp_list,
2573 vp_list) {
2574 if (vp_index == vha->vp_idx) {
2575 empty_vp_index = 0;
2576 found_vp = 1;
2577 break;
2578 }
2579 }
2580
2581 if (empty_vp_index)
2582 continue;
2583
2584 if (found_vp &&
2585 new_fcport->d_id.b24 == vha->d_id.b24)
2586 break;
2587 }
2588 if (vp_index <= MAX_MULTI_ID_FABRIC)
2589 continue;
2590 }
2591
f7d289f6
AV		 2592 /* Bypass if same domain and area of adapter. */
2593 if (((new_fcport->d_id.b24 & 0xffff00) ==
2594 (ha->d_id.b24 & 0xffff00)) && ha->current_topology ==
2595 ISP_CFG_FL)
2596 continue;
2597
1da177e4
LT		 2598 /* Bypass reserved domain fields. */
2599 if ((new_fcport->d_id.b.domain & 0xf0) == 0xf0)
2600 continue;
2601
2602 /* Locate matching device in database. */
2603 found = 0;
2c3dfe3f
SJ		 2604 list_for_each_entry(fcport, &pha->fcports, list) {
2605 if (new_fcport->vp_idx != fcport->vp_idx)
2606 continue;
1da177e4
LT		 2607 if (memcmp(new_fcport->port_name, fcport->port_name,
2608 WWN_SIZE))
2609 continue;
2610
2611 found++;
2612
d8b45213
AV		 2613 /* Update port state. */
2614 memcpy(fcport->fabric_port_name,
2615 new_fcport->fabric_port_name, WWN_SIZE);
2616 fcport->fp_speed = new_fcport->fp_speed;
2617
1da177e4
LT		 2618 /*
2619 * If address the same and state FCS_ONLINE, nothing
2620 * changed.
2621 */
2622 if (fcport->d_id.b24 == new_fcport->d_id.b24 &&
2623 atomic_read(&fcport->state) == FCS_ONLINE) {
2624 break;
2625 }
2626
2627 /*
2628 * If device was not a fabric device before.
2629 */
2630 if ((fcport->flags & FCF_FABRIC_DEVICE) == 0) {
2631 fcport->d_id.b24 = new_fcport->d_id.b24;
2632 fcport->loop_id = FC_NO_LOOP_ID;
2633 fcport->flags |= (FCF_FABRIC_DEVICE |
2634 FCF_LOGIN_NEEDED);
2635 fcport->flags &= ~FCF_PERSISTENT_BOUND;
2636 break;
2637 }
2638
2639 /*
2640 * Port ID changed or device was marked to be updated;
2641 * Log it out if still logged in and mark it for
2642 * relogin later.
2643 */
2644 fcport->d_id.b24 = new_fcport->d_id.b24;
2645 fcport->flags |= FCF_LOGIN_NEEDED;
2646 if (fcport->loop_id != FC_NO_LOOP_ID &&
2647 (fcport->flags & FCF_TAPE_PRESENT) == 0 &&
2648 fcport->port_type != FCT_INITIATOR &&
2649 fcport->port_type != FCT_BROADCAST) {
fd34f556 2650 ha->isp_ops->fabric_logout(ha, fcport->loop_id,
1c7c6357
AV		 2651 fcport->d_id.b.domain, fcport->d_id.b.area,
2652 fcport->d_id.b.al_pa);
1da177e4
LT		 2653 fcport->loop_id = FC_NO_LOOP_ID;
2654 }
2655
2656 break;
2657 }
2658
2659 if (found)
2660 continue;
2661
2662 /* If device was not in our fcports list, then add it. */
2663 list_add_tail(&new_fcport->list, new_fcports);
2664
2665 /* Allocate a new replacement fcport. */
2666 nxt_d_id.b24 = new_fcport->d_id.b24;
2667 new_fcport = qla2x00_alloc_fcport(ha, GFP_KERNEL);
2668 if (new_fcport == NULL) {
c9475cb0 2669 kfree(swl);
1da177e4
LT		 2670 return (QLA_MEMORY_ALLOC_FAILED);
2671 }
2672 new_fcport->flags |= (FCF_FABRIC_DEVICE | FCF_LOGIN_NEEDED);
2673 new_fcport->d_id.b24 = nxt_d_id.b24;
2c3dfe3f 2674 new_fcport->vp_idx = ha->vp_idx;
1da177e4
LT		 2675 }
2676
c9475cb0
JJ		 2677 kfree(swl);
2678 kfree(new_fcport);
1da177e4
LT		 2679
2680 if (!list_empty(new_fcports))
2681 ha->device_flags |= DFLG_FABRIC_DEVICES;
2682
2683 return (rval);
2684}
2685
2686/*
2687 * qla2x00_find_new_loop_id
2688 * Scan through our port list and find a new usable loop ID.
2689 *
2690 * Input:
2691 * ha: adapter state pointer.
2692 * dev: port structure pointer.
2693 *
2694 * Returns:
2695 * qla2x00 local function return status code.
2696 *
2697 * Context:
2698 * Kernel context.
2699 */
413975a0 2700static int
1da177e4
LT		 2701qla2x00_find_new_loop_id(scsi_qla_host_t *ha, fc_port_t *dev)
2702{
2703 int rval;
2704 int found;
2705 fc_port_t *fcport;
2706 uint16_t first_loop_id;
2c3dfe3f 2707 scsi_qla_host_t *pha = to_qla_parent(ha);
1da177e4
LT		 2708
2709 rval = QLA_SUCCESS;
2710
2711 /* Save starting loop ID. */
2712 first_loop_id = dev->loop_id;
2713
2714 for (;;) {
2715 /* Skip loop ID if already used by adapter. */
2716 if (dev->loop_id == ha->loop_id) {
2717 dev->loop_id++;
2718 }
2719
2720 /* Skip reserved loop IDs. */
3d71644c 2721 while (qla2x00_is_reserved_id(ha, dev->loop_id)) {
1da177e4
LT		 2722 dev->loop_id++;
2723 }
2724
2725 /* Reset loop ID if passed the end. */
2726 if (dev->loop_id > ha->last_loop_id) {
2727 /* first loop ID. */
2728 dev->loop_id = ha->min_external_loopid;
2729 }
2730
2731 /* Check for loop ID being already in use. */
2732 found = 0;
2733 fcport = NULL;
2c3dfe3f 2734 list_for_each_entry(fcport, &pha->fcports, list) {
1da177e4
LT		 2735 if (fcport->loop_id == dev->loop_id && fcport != dev) {
2736 /* ID possibly in use */
2737 found++;
2738 break;
2739 }
2740 }
2741
2742 /* If not in use then it is free to use. */
2743 if (!found) {
2744 break;
2745 }
2746
2747 /* ID in use. Try next value. */
2748 dev->loop_id++;
2749
2750 /* If wrap around. No free ID to use. */
2751 if (dev->loop_id == first_loop_id) {
2752 dev->loop_id = FC_NO_LOOP_ID;
2753 rval = QLA_FUNCTION_FAILED;
2754 break;
2755 }
2756 }
2757
2758 return (rval);
2759}
2760
2761/*
2762 * qla2x00_device_resync
2763 * Marks devices in the database that needs resynchronization.
2764 *
2765 * Input:
2766 * ha = adapter block pointer.
2767 *
2768 * Context:
2769 * Kernel context.
2770 */
2771static int
fa2a1ce5 2772qla2x00_device_resync(scsi_qla_host_t *ha)
1da177e4
LT		 2773{
2774 int rval;
1da177e4
LT		 2775 uint32_t mask;
2776 fc_port_t *fcport;
2777 uint32_t rscn_entry;
2778 uint8_t rscn_out_iter;
2779 uint8_t format;
2780 port_id_t d_id;
2c3dfe3f 2781 scsi_qla_host_t *pha = to_qla_parent(ha);
1da177e4
LT		 2782
2783 rval = QLA_RSCNS_HANDLED;
2784
2785 while (ha->rscn_out_ptr != ha->rscn_in_ptr ||
2786 ha->flags.rscn_queue_overflow) {
2787
2788 rscn_entry = ha->rscn_queue[ha->rscn_out_ptr];
2789 format = MSB(MSW(rscn_entry));
2790 d_id.b.domain = LSB(MSW(rscn_entry));
2791 d_id.b.area = MSB(LSW(rscn_entry));
2792 d_id.b.al_pa = LSB(LSW(rscn_entry));
2793
2794 DEBUG(printk("scsi(%ld): RSCN queue entry[%d] = "
2795 "[%02x/%02x%02x%02x].\n",
2796 ha->host_no, ha->rscn_out_ptr, format, d_id.b.domain,
2797 d_id.b.area, d_id.b.al_pa));
2798
2799 ha->rscn_out_ptr++;
2800 if (ha->rscn_out_ptr == MAX_RSCN_COUNT)
2801 ha->rscn_out_ptr = 0;
2802
2803 /* Skip duplicate entries. */
2804 for (rscn_out_iter = ha->rscn_out_ptr;
2805 !ha->flags.rscn_queue_overflow &&
2806 rscn_out_iter != ha->rscn_in_ptr;
2807 rscn_out_iter = (rscn_out_iter ==
2808 (MAX_RSCN_COUNT - 1)) ? 0: rscn_out_iter + 1) {
2809
2810 if (rscn_entry != ha->rscn_queue[rscn_out_iter])
2811 break;
2812
2813 DEBUG(printk("scsi(%ld): Skipping duplicate RSCN queue "
2814 "entry found at [%d].\n", ha->host_no,
2815 rscn_out_iter));
2816
2817 ha->rscn_out_ptr = rscn_out_iter;
2818 }
2819
2820 /* Queue overflow, set switch default case. */
2821 if (ha->flags.rscn_queue_overflow) {
2822 DEBUG(printk("scsi(%ld): device_resync: rscn "
2823 "overflow.\n", ha->host_no));
2824
2825 format = 3;
2826 ha->flags.rscn_queue_overflow = 0;
2827 }
2828
2829 switch (format) {
2830 case 0:
1da177e4
LT		 2831 mask = 0xffffff;
2832 break;
2833 case 1:
2834 mask = 0xffff00;
2835 break;
2836 case 2:
2837 mask = 0xff0000;
2838 break;
2839 default:
2840 mask = 0x0;
2841 d_id.b24 = 0;
2842 ha->rscn_out_ptr = ha->rscn_in_ptr;
2843 break;
2844 }
2845
2846 rval = QLA_SUCCESS;
2847
2c3dfe3f
SJ		 2848 list_for_each_entry(fcport, &pha->fcports, list) {
2849 if (fcport->vp_idx != ha->vp_idx)
2850 continue;
2851
1da177e4
LT		 2852 if ((fcport->flags & FCF_FABRIC_DEVICE) == 0 ||
2853 (fcport->d_id.b24 & mask) != d_id.b24 ||
2854 fcport->port_type == FCT_BROADCAST)
2855 continue;
2856
2857 if (atomic_read(&fcport->state) == FCS_ONLINE) {
2858 if (format != 3 ||
2859 fcport->port_type != FCT_INITIATOR) {
d97994dc 2860 qla2x00_mark_device_lost(ha, fcport,
2861 0, 0);
1da177e4
LT		 2862 }
2863 }
2864 fcport->flags &= ~FCF_FARP_DONE;
2865 }
2866 }
2867 return (rval);
2868}
2869
2870/*
2871 * qla2x00_fabric_dev_login
2872 * Login fabric target device and update FC port database.
2873 *
2874 * Input:
2875 * ha: adapter state pointer.
2876 * fcport: port structure list pointer.
2877 * next_loopid: contains value of a new loop ID that can be used
2878 * by the next login attempt.
2879 *
2880 * Returns:
2881 * qla2x00 local function return status code.
2882 *
2883 * Context:
2884 * Kernel context.
2885 */
2886static int
2887qla2x00_fabric_dev_login(scsi_qla_host_t *ha, fc_port_t *fcport,
2888 uint16_t *next_loopid)
2889{
2890 int rval;
2891 int retry;
0107109e 2892 uint8_t opts;
1da177e4
LT		 2893
2894 rval = QLA_SUCCESS;
2895 retry = 0;
2896
2897 rval = qla2x00_fabric_login(ha, fcport, next_loopid);
2898 if (rval == QLA_SUCCESS) {
0107109e
AV		 2899 /* Send an ADISC to tape devices.*/
2900 opts = 0;
2901 if (fcport->flags & FCF_TAPE_PRESENT)
2902 opts |= BIT_1;
2903 rval = qla2x00_get_port_database(ha, fcport, opts);
1da177e4 2904 if (rval != QLA_SUCCESS) {
fd34f556 2905 ha->isp_ops->fabric_logout(ha, fcport->loop_id,
1c7c6357
AV		 2906 fcport->d_id.b.domain, fcport->d_id.b.area,
2907 fcport->d_id.b.al_pa);
d97994dc 2908 qla2x00_mark_device_lost(ha, fcport, 1, 0);
1da177e4
LT		 2909 } else {
2910 qla2x00_update_fcport(ha, fcport);
2911 }
2912 }
2913
2914 return (rval);
2915}
2916
2917/*
2918 * qla2x00_fabric_login
2919 * Issue fabric login command.
2920 *
2921 * Input:
2922 * ha = adapter block pointer.
2923 * device = pointer to FC device type structure.
2924 *
2925 * Returns:
2926 * 0 - Login successfully
2927 * 1 - Login failed
2928 * 2 - Initiator device
2929 * 3 - Fatal error
2930 */
2931int
2932qla2x00_fabric_login(scsi_qla_host_t *ha, fc_port_t *fcport,
2933 uint16_t *next_loopid)
2934{
2935 int rval;
2936 int retry;
2937 uint16_t tmp_loopid;
2938 uint16_t mb[MAILBOX_REGISTER_COUNT];
2939
2940 retry = 0;
2941 tmp_loopid = 0;
2942
2943 for (;;) {
2944 DEBUG(printk("scsi(%ld): Trying Fabric Login w/loop id 0x%04x "
2945 "for port %02x%02x%02x.\n",
2946 ha->host_no, fcport->loop_id, fcport->d_id.b.domain,
2947 fcport->d_id.b.area, fcport->d_id.b.al_pa));
2948
2949 /* Login fcport on switch. */
fd34f556 2950 ha->isp_ops->fabric_login(ha, fcport->loop_id,
1da177e4
LT		 2951 fcport->d_id.b.domain, fcport->d_id.b.area,
2952 fcport->d_id.b.al_pa, mb, BIT_0);
2953 if (mb[0] == MBS_PORT_ID_USED) {
2954 /*
2955 * Device has another loop ID. The firmware team
0107109e
AV		 2956 * recommends the driver perform an implicit login with
2957 * the specified ID again. The ID we just used is save
2958 * here so we return with an ID that can be tried by
2959 * the next login.
1da177e4
LT		 2960 */
2961 retry++;
2962 tmp_loopid = fcport->loop_id;
2963 fcport->loop_id = mb[1];
2964
2965 DEBUG(printk("Fabric Login: port in use - next "
2966 "loop id=0x%04x, port Id=%02x%02x%02x.\n",
2967 fcport->loop_id, fcport->d_id.b.domain,
2968 fcport->d_id.b.area, fcport->d_id.b.al_pa));
2969
2970 } else if (mb[0] == MBS_COMMAND_COMPLETE) {
2971 /*
2972 * Login succeeded.
2973 */
2974 if (retry) {
2975 /* A retry occurred before. */
2976 *next_loopid = tmp_loopid;
2977 } else {
2978 /*
2979 * No retry occurred before. Just increment the
2980 * ID value for next login.
2981 */
2982 *next_loopid = (fcport->loop_id + 1);
2983 }
2984
2985 if (mb[1] & BIT_0) {
2986 fcport->port_type = FCT_INITIATOR;
2987 } else {
2988 fcport->port_type = FCT_TARGET;
2989 if (mb[1] & BIT_1) {
2990 fcport->flags |= FCF_TAPE_PRESENT;
2991 }
2992 }
2993
ad3e0eda
AV		 2994 if (mb[10] & BIT_0)
2995 fcport->supported_classes |= FC_COS_CLASS2;
2996 if (mb[10] & BIT_1)
2997 fcport->supported_classes |= FC_COS_CLASS3;
2998
1da177e4
LT		 2999 rval = QLA_SUCCESS;
3000 break;
3001 } else if (mb[0] == MBS_LOOP_ID_USED) {
3002 /*
3003 * Loop ID already used, try next loop ID.
3004 */
3005 fcport->loop_id++;
3006 rval = qla2x00_find_new_loop_id(ha, fcport);
3007 if (rval != QLA_SUCCESS) {
3008 /* Ran out of loop IDs to use */
3009 break;
3010 }
3011 } else if (mb[0] == MBS_COMMAND_ERROR) {
3012 /*
3013 * Firmware possibly timed out during login. If NO
3014 * retries are left to do then the device is declared
3015 * dead.
3016 */
3017 *next_loopid = fcport->loop_id;
fd34f556 3018 ha->isp_ops->fabric_logout(ha, fcport->loop_id,
1c7c6357
AV		 3019 fcport->d_id.b.domain, fcport->d_id.b.area,
3020 fcport->d_id.b.al_pa);
d97994dc 3021 qla2x00_mark_device_lost(ha, fcport, 1, 0);
1da177e4
LT		 3022
3023 rval = 1;
3024 break;
3025 } else {
3026 /*
3027 * unrecoverable / not handled error
3028 */
3029 DEBUG2(printk("%s(%ld): failed=%x port_id=%02x%02x%02x "
fa2a1ce5
AV		 3030 "loop_id=%x jiffies=%lx.\n",
3031 __func__, ha->host_no, mb[0],
1da177e4
LT		 3032 fcport->d_id.b.domain, fcport->d_id.b.area,
3033 fcport->d_id.b.al_pa, fcport->loop_id, jiffies));
3034
3035 *next_loopid = fcport->loop_id;
fd34f556 3036 ha->isp_ops->fabric_logout(ha, fcport->loop_id,
1c7c6357
AV		 3037 fcport->d_id.b.domain, fcport->d_id.b.area,
3038 fcport->d_id.b.al_pa);
1da177e4 3039 fcport->loop_id = FC_NO_LOOP_ID;
0eedfcf0 3040 fcport->login_retry = 0;
1da177e4
LT		 3041
3042 rval = 3;
3043 break;
3044 }
3045 }
3046
3047 return (rval);
3048}
3049
3050/*
3051 * qla2x00_local_device_login
3052 * Issue local device login command.
3053 *
3054 * Input:
3055 * ha = adapter block pointer.
3056 * loop_id = loop id of device to login to.
3057 *
3058 * Returns (Where's the #define!!!!):
3059 * 0 - Login successfully
3060 * 1 - Login failed
3061 * 3 - Fatal error
3062 */
3063int
9a52a57c 3064qla2x00_local_device_login(scsi_qla_host_t *ha, fc_port_t *fcport)
1da177e4
LT		 3065{
3066 int rval;
3067 uint16_t mb[MAILBOX_REGISTER_COUNT];
3068
3069 memset(mb, 0, sizeof(mb));
9a52a57c 3070 rval = qla2x00_login_local_device(ha, fcport, mb, BIT_0);
1da177e4
LT		 3071 if (rval == QLA_SUCCESS) {
3072 /* Interrogate mailbox registers for any errors */
3073 if (mb[0] == MBS_COMMAND_ERROR)
3074 rval = 1;
3075 else if (mb[0] == MBS_COMMAND_PARAMETER_ERROR)
3076 /* device not in PCB table */
3077 rval = 3;
3078 }
3079
3080 return (rval);
3081}
3082
3083/*
3084 * qla2x00_loop_resync
3085 * Resync with fibre channel devices.
3086 *
3087 * Input:
3088 * ha = adapter block pointer.
3089 *
3090 * Returns:
3091 * 0 = success
3092 */
3093int
fa2a1ce5 3094qla2x00_loop_resync(scsi_qla_host_t *ha)
1da177e4
LT		 3095{
3096 int rval;
3097 uint32_t wait_time;
3098
3099 rval = QLA_SUCCESS;
3100
3101 atomic_set(&ha->loop_state, LOOP_UPDATE);
1da177e4
LT		 3102 clear_bit(ISP_ABORT_RETRY, &ha->dpc_flags);
3103 if (ha->flags.online) {
3104 if (!(rval = qla2x00_fw_ready(ha))) {
3105 /* Wait at most MAX_TARGET RSCNs for a stable link. */
3106 wait_time = 256;
3107 do {
1da177e4
LT		 3108 atomic_set(&ha->loop_state, LOOP_UPDATE);
3109
0107109e
AV		 3110 /* Issue a marker after FW becomes ready. */
3111 qla2x00_marker(ha, 0, 0, MK_SYNC_ALL);
3112 ha->marker_needed = 0;
1da177e4
LT		 3113
3114 /* Remap devices on Loop. */
3115 clear_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags);
3116
3117 qla2x00_configure_loop(ha);
3118 wait_time--;
3119 } while (!atomic_read(&ha->loop_down_timer) &&
3120 !(test_bit(ISP_ABORT_NEEDED, &ha->dpc_flags)) &&
3121 wait_time &&
3122 (test_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags)));
3123 }
1da177e4
LT		 3124 }
3125
3126 if (test_bit(ISP_ABORT_NEEDED, &ha->dpc_flags)) {
3127 return (QLA_FUNCTION_FAILED);
3128 }
3129
3130 if (rval) {
3131 DEBUG2_3(printk("%s(): **** FAILED ****\n", __func__));
3132 }
3133
3134 return (rval);
3135}
3136
1da177e4
LT		 3137void
3138qla2x00_rescan_fcports(scsi_qla_host_t *ha)
3139{
3140 int rescan_done;
3141 fc_port_t *fcport;
3142
3143 rescan_done = 0;
3144 list_for_each_entry(fcport, &ha->fcports, list) {
3145 if ((fcport->flags & FCF_RESCAN_NEEDED) == 0)
3146 continue;
3147
3148 qla2x00_update_fcport(ha, fcport);
3149 fcport->flags &= ~FCF_RESCAN_NEEDED;
3150
3151 rescan_done = 1;
3152 }
fa2a1ce5 3153 qla2x00_probe_for_all_luns(ha);
1da177e4
LT		 3154}
3155
d97994dc 3156void
3157qla2x00_update_fcports(scsi_qla_host_t *ha)
3158{
3159 fc_port_t *fcport;
3160
3161 /* Go with deferred removal of rport references. */
3162 list_for_each_entry(fcport, &ha->fcports, list)
3163 if (fcport->drport)
3164 qla2x00_rport_del(fcport);
3165}
3166
1da177e4
LT		 3167/*
3168* qla2x00_abort_isp
3169* Resets ISP and aborts all outstanding commands.
3170*
3171* Input:
3172* ha = adapter block pointer.
3173*
3174* Returns:
3175* 0 = success
3176*/
3177int
3178qla2x00_abort_isp(scsi_qla_host_t *ha)
3179{
476e8978 3180 int rval;
1da177e4
LT		 3181 unsigned long flags = 0;
3182 uint16_t cnt;
3183 srb_t *sp;
3184 uint8_t status = 0;
3185
3186 if (ha->flags.online) {
3187 ha->flags.online = 0;
3188 clear_bit(ISP_ABORT_NEEDED, &ha->dpc_flags);
1da177e4
LT		 3189
3190 qla_printk(KERN_INFO, ha,
3191 "Performing ISP error recovery - ha= %p.\n", ha);
fd34f556 3192 ha->isp_ops->reset_chip(ha);
1da177e4
LT		 3193
3194 atomic_set(&ha->loop_down_timer, LOOP_DOWN_TIME);
3195 if (atomic_read(&ha->loop_state) != LOOP_DOWN) {
3196 atomic_set(&ha->loop_state, LOOP_DOWN);
d97994dc 3197 qla2x00_mark_all_devices_lost(ha, 0);
1da177e4
LT		 3198 } else {
3199 if (!atomic_read(&ha->loop_down_timer))
3200 atomic_set(&ha->loop_down_timer,
3201 LOOP_DOWN_TIME);
3202 }
3203
3204 spin_lock_irqsave(&ha->hardware_lock, flags);
3205 /* Requeue all commands in outstanding command list. */
3206 for (cnt = 1; cnt < MAX_OUTSTANDING_COMMANDS; cnt++) {
3207 sp = ha->outstanding_cmds[cnt];
3208 if (sp) {
3209 ha->outstanding_cmds[cnt] = NULL;
1da177e4 3210 sp->flags = 0;
f4f051eb 3211 sp->cmd->result = DID_RESET << 16;
1da177e4 3212 sp->cmd->host_scribble = (unsigned char *)NULL;
f4f051eb 3213 qla2x00_sp_compl(ha, sp);
1da177e4
LT		 3214 }
3215 }
3216 spin_unlock_irqrestore(&ha->hardware_lock, flags);
3217
fd34f556 3218 ha->isp_ops->get_flash_version(ha, ha->request_ring);
30c47662 3219
fd34f556 3220 ha->isp_ops->nvram_config(ha);
1da177e4
LT		 3221
3222 if (!qla2x00_restart_isp(ha)) {
3223 clear_bit(RESET_MARKER_NEEDED, &ha->dpc_flags);
3224
3225 if (!atomic_read(&ha->loop_down_timer)) {
3226 /*
3227 * Issue marker command only when we are going
3228 * to start the I/O .
3229 */
3230 ha->marker_needed = 1;
3231 }
3232
3233 ha->flags.online = 1;
3234
fd34f556 3235 ha->isp_ops->enable_intrs(ha);
1da177e4 3236
fa2a1ce5 3237 ha->isp_abort_cnt = 0;
1da177e4 3238 clear_bit(ISP_ABORT_RETRY, &ha->dpc_flags);
476e8978
AV		 3239
3240 if (ha->eft) {
3241 rval = qla2x00_trace_control(ha, TC_ENABLE,
3242 ha->eft_dma, EFT_NUM_BUFFERS);
3243 if (rval) {
3244 qla_printk(KERN_WARNING, ha,
3245 "Unable to reinitialize EFT "
3246 "(%d).\n", rval);
3247 }
3248 }
1da177e4
LT		 3249 } else { /* failed the ISP abort */
3250 ha->flags.online = 1;
3251 if (test_bit(ISP_ABORT_RETRY, &ha->dpc_flags)) {
3252 if (ha->isp_abort_cnt == 0) {
3253 qla_printk(KERN_WARNING, ha,
3254 "ISP error recovery failed - "
3255 "board disabled\n");
fa2a1ce5 3256 /*
1da177e4
LT		 3257 * The next call disables the board
3258 * completely.
3259 */
fd34f556 3260 ha->isp_ops->reset_adapter(ha);
1da177e4
LT		 3261 ha->flags.online = 0;
3262 clear_bit(ISP_ABORT_RETRY,
3263 &ha->dpc_flags);
3264 status = 0;
3265 } else { /* schedule another ISP abort */
3266 ha->isp_abort_cnt--;
3267 DEBUG(printk("qla%ld: ISP abort - "
0107109e 3268 "retry remaining %d\n",
744f11fd 3269 ha->host_no, ha->isp_abort_cnt));
1da177e4
LT		 3270 status = 1;
3271 }
3272 } else {
3273 ha->isp_abort_cnt = MAX_RETRIES_OF_ISP_ABORT;
3274 DEBUG(printk("qla2x00(%ld): ISP error recovery "
3275 "- retrying (%d) more times\n",
744f11fd 3276 ha->host_no, ha->isp_abort_cnt));
1da177e4
LT		 3277 set_bit(ISP_ABORT_RETRY, &ha->dpc_flags);
3278 status = 1;
3279 }
3280 }
fa2a1ce5 3281
1da177e4
LT		 3282 }
3283
3284 if (status) {
3285 qla_printk(KERN_INFO, ha,
3286 "qla2x00_abort_isp: **** FAILED ****\n");
3287 } else {
3288 DEBUG(printk(KERN_INFO
3289 "qla2x00_abort_isp(%ld): exiting.\n",
744f11fd 3290 ha->host_no));
1da177e4
LT		 3291 }
3292
3293 return(status);
3294}
3295
3296/*
3297* qla2x00_restart_isp
3298* restarts the ISP after a reset
3299*
3300* Input:
3301* ha = adapter block pointer.
3302*
3303* Returns:
3304* 0 = success
3305*/
3306static int
3307qla2x00_restart_isp(scsi_qla_host_t *ha)
3308{
3309 uint8_t status = 0;
3d71644c 3310 struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
1da177e4
LT		 3311 unsigned long flags = 0;
3312 uint32_t wait_time;
3313
3314 /* If firmware needs to be loaded */
3315 if (qla2x00_isp_firmware(ha)) {
3316 ha->flags.online = 0;
fd34f556 3317 if (!(status = ha->isp_ops->chip_diag(ha))) {
1da177e4
LT		 3318 if (IS_QLA2100(ha) || IS_QLA2200(ha)) {
3319 status = qla2x00_setup_chip(ha);
3320 goto done;
3321 }
3322
1da177e4
LT		 3323 spin_lock_irqsave(&ha->hardware_lock, flags);
3324
044cc6c8 3325 if (!IS_QLA24XX(ha) && !IS_QLA54XX(ha)) {
0107109e
AV		 3326 /*
3327 * Disable SRAM, Instruction RAM and GP RAM
3328 * parity.
3329 */
3330 WRT_REG_WORD(&reg->hccr,
3331 (HCCR_ENABLE_PARITY + 0x0));
3332 RD_REG_WORD(&reg->hccr);
3333 }
1da177e4
LT		 3334
3335 spin_unlock_irqrestore(&ha->hardware_lock, flags);
fa2a1ce5 3336
1da177e4
LT		 3337 status = qla2x00_setup_chip(ha);
3338
3339 spin_lock_irqsave(&ha->hardware_lock, flags);
fa2a1ce5 3340
044cc6c8 3341 if (!IS_QLA24XX(ha) && !IS_QLA54XX(ha)) {
0107109e
AV		 3342 /* Enable proper parity */
3343 if (IS_QLA2300(ha))
3344 /* SRAM parity */
3345 WRT_REG_WORD(&reg->hccr,
3346 (HCCR_ENABLE_PARITY + 0x1));
3347 else
3348 /*
3349 * SRAM, Instruction RAM and GP RAM
3350 * parity.
3351 */
3352 WRT_REG_WORD(&reg->hccr,
3353 (HCCR_ENABLE_PARITY + 0x7));
3354 RD_REG_WORD(&reg->hccr);
3355 }
1da177e4
LT		 3356
3357 spin_unlock_irqrestore(&ha->hardware_lock, flags);
3358 }
3359 }
3360
3361 done:
3362 if (!status && !(status = qla2x00_init_rings(ha))) {
3363 clear_bit(RESET_MARKER_NEEDED, &ha->dpc_flags);
3364 if (!(status = qla2x00_fw_ready(ha))) {
3365 DEBUG(printk("%s(): Start configure loop, "
744f11fd 3366 "status = %d\n", __func__, status));
0107109e
AV		 3367
3368 /* Issue a marker after FW becomes ready. */
3369 qla2x00_marker(ha, 0, 0, MK_SYNC_ALL);
3370
1da177e4
LT		 3371 ha->flags.online = 1;
3372 /* Wait at most MAX_TARGET RSCNs for a stable link. */
3373 wait_time = 256;
3374 do {
3375 clear_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags);
3376 qla2x00_configure_loop(ha);
3377 wait_time--;
3378 } while (!atomic_read(&ha->loop_down_timer) &&
3379 !(test_bit(ISP_ABORT_NEEDED, &ha->dpc_flags)) &&
3380 wait_time &&
3381 (test_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags)));
3382 }
3383
3384 /* if no cable then assume it's good */
fa2a1ce5 3385 if ((ha->device_flags & DFLG_NO_CABLE))
1da177e4
LT		 3386 status = 0;
3387
3388 DEBUG(printk("%s(): Configure loop done, status = 0x%x\n",
3389 __func__,
744f11fd 3390 status));
1da177e4
LT		 3391 }
3392 return (status);
3393}
3394
3395/*
3396* qla2x00_reset_adapter
3397* Reset adapter.
3398*
3399* Input:
3400* ha = adapter block pointer.
3401*/
abbd8870 3402void
1da177e4
LT		 3403qla2x00_reset_adapter(scsi_qla_host_t *ha)
3404{
3405 unsigned long flags = 0;
3d71644c 3406 struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
1da177e4
LT		 3407
3408 ha->flags.online = 0;
fd34f556 3409 ha->isp_ops->disable_intrs(ha);
1da177e4 3410
1da177e4
LT		 3411 spin_lock_irqsave(&ha->hardware_lock, flags);
3412 WRT_REG_WORD(&reg->hccr, HCCR_RESET_RISC);
3413 RD_REG_WORD(&reg->hccr); /* PCI Posting. */
3414 WRT_REG_WORD(&reg->hccr, HCCR_RELEASE_RISC);
3415 RD_REG_WORD(&reg->hccr); /* PCI Posting. */
3416 spin_unlock_irqrestore(&ha->hardware_lock, flags);
3417}
0107109e
AV		 3418
3419void
3420qla24xx_reset_adapter(scsi_qla_host_t *ha)
3421{
3422 unsigned long flags = 0;
3423 struct device_reg_24xx __iomem *reg = &ha->iobase->isp24;
3424
3425 ha->flags.online = 0;
fd34f556 3426 ha->isp_ops->disable_intrs(ha);
0107109e
AV		 3427
3428 spin_lock_irqsave(&ha->hardware_lock, flags);
3429 WRT_REG_DWORD(&reg->hccr, HCCRX_SET_RISC_RESET);
3430 RD_REG_DWORD(&reg->hccr);
3431 WRT_REG_DWORD(&reg->hccr, HCCRX_REL_RISC_PAUSE);
3432 RD_REG_DWORD(&reg->hccr);
3433 spin_unlock_irqrestore(&ha->hardware_lock, flags);
3434}
3435
4e08df3f
DM		 3436/* On sparc systems, obtain port and node WWN from firmware
3437 * properties.
3438 */
3439static void qla24xx_nvram_wwn_from_ofw(scsi_qla_host_t *ha, struct nvram_24xx *nv)
3440{
3441#ifdef CONFIG_SPARC
3442 struct pci_dev *pdev = ha->pdev;
15576bc8
DM		 3443 struct device_node *dp = pci_device_to_OF_node(pdev);
3444 const u8 *val;
4e08df3f
DM		 3445 int len;
3446
3447 val = of_get_property(dp, "port-wwn", &len);
3448 if (val && len >= WWN_SIZE)
3449 memcpy(nv->port_name, val, WWN_SIZE);
3450
3451 val = of_get_property(dp, "node-wwn", &len);
3452 if (val && len >= WWN_SIZE)
3453 memcpy(nv->node_name, val, WWN_SIZE);
3454#endif
3455}
3456
0107109e
AV		 3457int
3458qla24xx_nvram_config(scsi_qla_host_t *ha)
3459{
4e08df3f 3460 int rval;
0107109e
AV		 3461 struct init_cb_24xx *icb;
3462 struct nvram_24xx *nv;
3463 uint32_t *dptr;
3464 uint8_t *dptr1, *dptr2;
3465 uint32_t chksum;
3466 uint16_t cnt;
3467
4e08df3f 3468 rval = QLA_SUCCESS;
0107109e
AV		 3469 icb = (struct init_cb_24xx *)ha->init_cb;
3470 nv = (struct nvram_24xx *)ha->request_ring;
3471
3472 /* Determine NVRAM starting address. */
3473 ha->nvram_size = sizeof(struct nvram_24xx);
3474 ha->nvram_base = FA_NVRAM_FUNC0_ADDR;
6f641790 3475 ha->vpd_size = FA_NVRAM_VPD_SIZE;
3476 ha->vpd_base = FA_NVRAM_VPD0_ADDR;
3477 if (PCI_FUNC(ha->pdev->devfn)) {
0107109e 3478 ha->nvram_base = FA_NVRAM_FUNC1_ADDR;
6f641790 3479 ha->vpd_base = FA_NVRAM_VPD1_ADDR;
3480 }
0107109e
AV		 3481
3482 /* Get NVRAM data and calculate checksum. */
3483 dptr = (uint32_t *)nv;
fd34f556 3484 ha->isp_ops->read_nvram(ha, (uint8_t *)dptr, ha->nvram_base,
0107109e
AV		 3485 ha->nvram_size);
3486 for (cnt = 0, chksum = 0; cnt < ha->nvram_size >> 2; cnt++)
3487 chksum += le32_to_cpu(*dptr++);
3488
3489 DEBUG5(printk("scsi(%ld): Contents of NVRAM\n", ha->host_no));
3490 DEBUG5(qla2x00_dump_buffer((uint8_t *)ha->request_ring,
3491 ha->nvram_size));
3492
3493 /* Bad NVRAM data, set defaults parameters. */
3494 if (chksum || nv->id[0] != 'I' || nv->id[1] != 'S' || nv->id[2] != 'P'
3495 || nv->id[3] != ' ' ||
3496 nv->nvram_version < __constant_cpu_to_le16(ICB_VERSION)) {
3497 /* Reset NVRAM data. */
3498 qla_printk(KERN_WARNING, ha, "Inconsistent NVRAM detected: "
3499 "checksum=0x%x id=%c version=0x%x.\n", chksum, nv->id[0],
3500 le16_to_cpu(nv->nvram_version));
4e08df3f
DM		 3501 qla_printk(KERN_WARNING, ha, "Falling back to functioning (yet "
3502 "invalid -- WWPN) defaults.\n");
3503
3504 /*
3505 * Set default initialization control block.
3506 */
3507 memset(nv, 0, ha->nvram_size);
3508 nv->nvram_version = __constant_cpu_to_le16(ICB_VERSION);
3509 nv->version = __constant_cpu_to_le16(ICB_VERSION);
3510 nv->frame_payload_size = __constant_cpu_to_le16(2048);
3511 nv->execution_throttle = __constant_cpu_to_le16(0xFFFF);
3512 nv->exchange_count = __constant_cpu_to_le16(0);
3513 nv->hard_address = __constant_cpu_to_le16(124);
3514 nv->port_name[0] = 0x21;
3515 nv->port_name[1] = 0x00 + PCI_FUNC(ha->pdev->devfn);
3516 nv->port_name[2] = 0x00;
3517 nv->port_name[3] = 0xe0;
3518 nv->port_name[4] = 0x8b;
3519 nv->port_name[5] = 0x1c;
3520 nv->port_name[6] = 0x55;
3521 nv->port_name[7] = 0x86;
3522 nv->node_name[0] = 0x20;
3523 nv->node_name[1] = 0x00;
3524 nv->node_name[2] = 0x00;
3525 nv->node_name[3] = 0xe0;
3526 nv->node_name[4] = 0x8b;
3527 nv->node_name[5] = 0x1c;
3528 nv->node_name[6] = 0x55;
3529 nv->node_name[7] = 0x86;
3530 qla24xx_nvram_wwn_from_ofw(ha, nv);
3531 nv->login_retry_count = __constant_cpu_to_le16(8);
3532 nv->interrupt_delay_timer = __constant_cpu_to_le16(0);
3533 nv->login_timeout = __constant_cpu_to_le16(0);
3534 nv->firmware_options_1 =
3535 __constant_cpu_to_le32(BIT_14|BIT_13|BIT_2|BIT_1);
3536 nv->firmware_options_2 = __constant_cpu_to_le32(2 << 4);
3537 nv->firmware_options_2 |= __constant_cpu_to_le32(BIT_12);
3538 nv->firmware_options_3 = __constant_cpu_to_le32(2 << 13);
3539 nv->host_p = __constant_cpu_to_le32(BIT_11|BIT_10);
3540 nv->efi_parameters = __constant_cpu_to_le32(0);
3541 nv->reset_delay = 5;
3542 nv->max_luns_per_target = __constant_cpu_to_le16(128);
3543 nv->port_down_retry_count = __constant_cpu_to_le16(30);
3544 nv->link_down_timeout = __constant_cpu_to_le16(30);
3545
3546 rval = 1;
0107109e
AV		 3547 }
3548
3549 /* Reset Initialization control block */
3550 memset(icb, 0, sizeof(struct init_cb_24xx));
3551
3552 /* Copy 1st segment. */
3553 dptr1 = (uint8_t *)icb;
3554 dptr2 = (uint8_t *)&nv->version;
3555 cnt = (uint8_t *)&icb->response_q_inpointer - (uint8_t *)&icb->version;
3556 while (cnt--)
3557 *dptr1++ = *dptr2++;
3558
3559 icb->login_retry_count = nv->login_retry_count;
3ea66e28 3560 icb->link_down_on_nos = nv->link_down_on_nos;
0107109e
AV		 3561
3562 /* Copy 2nd segment. */
3563 dptr1 = (uint8_t *)&icb->interrupt_delay_timer;
3564 dptr2 = (uint8_t *)&nv->interrupt_delay_timer;
3565 cnt = (uint8_t *)&icb->reserved_3 -
3566 (uint8_t *)&icb->interrupt_delay_timer;
3567 while (cnt--)
3568 *dptr1++ = *dptr2++;
3569
3570 /*
3571 * Setup driver NVRAM options.
3572 */
9bb9fcf2
AV		 3573 qla2x00_set_model_info(ha, nv->model_name, sizeof(nv->model_name),
3574 "QLA2462");
0107109e 3575
5341e868
AV		 3576 /* Use alternate WWN? */
3577 if (nv->host_p & __constant_cpu_to_le32(BIT_15)) {
3578 memcpy(icb->node_name, nv->alternate_node_name, WWN_SIZE);
3579 memcpy(icb->port_name, nv->alternate_port_name, WWN_SIZE);
3580 }
3581
0107109e 3582 /* Prepare nodename */
fd0e7e4d 3583 if ((icb->firmware_options_1 & __constant_cpu_to_le32(BIT_14)) == 0) {
0107109e
AV		 3584 /*
3585 * Firmware will apply the following mask if the nodename was
3586 * not provided.
3587 */
3588 memcpy(icb->node_name, icb->port_name, WWN_SIZE);
3589 icb->node_name[0] &= 0xF0;
3590 }
3591
3592 /* Set host adapter parameters. */
3593 ha->flags.disable_risc_code_load = 0;
0c8c39af
AV		 3594 ha->flags.enable_lip_reset = 0;
3595 ha->flags.enable_lip_full_login =
3596 le32_to_cpu(nv->host_p) & BIT_10 ? 1: 0;
3597 ha->flags.enable_target_reset =
3598 le32_to_cpu(nv->host_p) & BIT_11 ? 1: 0;
0107109e 3599 ha->flags.enable_led_scheme = 0;
d4c760c2 3600 ha->flags.disable_serdes = le32_to_cpu(nv->host_p) & BIT_5 ? 1: 0;
0107109e 3601
fd0e7e4d
AV		 3602 ha->operating_mode = (le32_to_cpu(icb->firmware_options_2) &
3603 (BIT_6 | BIT_5 | BIT_4)) >> 4;
0107109e
AV		 3604
3605 memcpy(ha->fw_seriallink_options24, nv->seriallink_options,
3606 sizeof(ha->fw_seriallink_options24));
3607
3608 /* save HBA serial number */
3609 ha->serial0 = icb->port_name[5];
3610 ha->serial1 = icb->port_name[6];
3611 ha->serial2 = icb->port_name[7];
3612 ha->node_name = icb->node_name;
3613 ha->port_name = icb->port_name;
3614
bc8fb3cb 3615 icb->execution_throttle = __constant_cpu_to_le16(0xFFFF);
3616
0107109e
AV		 3617 ha->retry_count = le16_to_cpu(nv->login_retry_count);
3618
3619 /* Set minimum login_timeout to 4 seconds. */
3620 if (le16_to_cpu(nv->login_timeout) < ql2xlogintimeout)
3621 nv->login_timeout = cpu_to_le16(ql2xlogintimeout);
3622 if (le16_to_cpu(nv->login_timeout) < 4)
3623 nv->login_timeout = __constant_cpu_to_le16(4);
3624 ha->login_timeout = le16_to_cpu(nv->login_timeout);
3625 icb->login_timeout = cpu_to_le16(nv->login_timeout);
3626
3627 /* Set minimum RATOV to 200 tenths of a second. */
3628 ha->r_a_tov = 200;
3629
3630 ha->loop_reset_delay = nv->reset_delay;
3631
3632 /* Link Down Timeout = 0:
3633 *
3634 * When Port Down timer expires we will start returning
3635 * I/O's to OS with "DID_NO_CONNECT".
3636 *
3637 * Link Down Timeout != 0:
3638 *
3639 * The driver waits for the link to come up after link down
3640 * before returning I/Os to OS with "DID_NO_CONNECT".
3641 */
3642 if (le16_to_cpu(nv->link_down_timeout) == 0) {
3643 ha->loop_down_abort_time =
3644 (LOOP_DOWN_TIME - LOOP_DOWN_TIMEOUT);
3645 } else {
3646 ha->link_down_timeout = le16_to_cpu(nv->link_down_timeout);
3647 ha->loop_down_abort_time =
3648 (LOOP_DOWN_TIME - ha->link_down_timeout);
3649 }
3650
3651 /* Need enough time to try and get the port back. */
3652 ha->port_down_retry_count = le16_to_cpu(nv->port_down_retry_count);
3653 if (qlport_down_retry)
3654 ha->port_down_retry_count = qlport_down_retry;
3655
3656 /* Set login_retry_count */
3657 ha->login_retry_count = le16_to_cpu(nv->login_retry_count);
3658 if (ha->port_down_retry_count ==
3659 le16_to_cpu(nv->port_down_retry_count) &&
3660 ha->port_down_retry_count > 3)
3661 ha->login_retry_count = ha->port_down_retry_count;
3662 else if (ha->port_down_retry_count > (int)ha->login_retry_count)
3663 ha->login_retry_count = ha->port_down_retry_count;
3664 if (ql2xloginretrycount)
3665 ha->login_retry_count = ql2xloginretrycount;
3666
4fdfefe5
AV		 3667 /* Enable ZIO. */
3668 if (!ha->flags.init_done) {
3669 ha->zio_mode = le32_to_cpu(icb->firmware_options_2) &
3670 (BIT_3 | BIT_2 | BIT_1 | BIT_0);
3671 ha->zio_timer = le16_to_cpu(icb->interrupt_delay_timer) ?
3672 le16_to_cpu(icb->interrupt_delay_timer): 2;
3673 }
3674 icb->firmware_options_2 &= __constant_cpu_to_le32(
3675 ~(BIT_3 | BIT_2 | BIT_1 | BIT_0));
3676 ha->flags.process_response_queue = 0;
3677 if (ha->zio_mode != QLA_ZIO_DISABLED) {
4a59f71d 3678 ha->zio_mode = QLA_ZIO_MODE_6;
3679
4fdfefe5
AV		 3680 DEBUG2(printk("scsi(%ld): ZIO mode %d enabled; timer delay "
3681 "(%d us).\n", ha->host_no, ha->zio_mode,
3682 ha->zio_timer * 100));
3683 qla_printk(KERN_INFO, ha,
3684 "ZIO mode %d enabled; timer delay (%d us).\n",
3685 ha->zio_mode, ha->zio_timer * 100);
3686
3687 icb->firmware_options_2 |= cpu_to_le32(
3688 (uint32_t)ha->zio_mode);
3689 icb->interrupt_delay_timer = cpu_to_le16(ha->zio_timer);
3690 ha->flags.process_response_queue = 1;
3691 }
3692
4e08df3f
DM		 3693 if (rval) {
3694 DEBUG2_3(printk(KERN_WARNING
3695 "scsi(%ld): NVRAM configuration failed!\n", ha->host_no));
3696 }
3697 return (rval);
0107109e
AV		 3698}
3699
413975a0 3700static int
d1c61909
AV		 3701qla24xx_load_risc_flash(scsi_qla_host_t *ha, uint32_t *srisc_addr)
3702{
3703 int rval;
3704 int segments, fragment;
3705 uint32_t faddr;
3706 uint32_t *dcode, dlen;
3707 uint32_t risc_addr;
3708 uint32_t risc_size;
3709 uint32_t i;
3710
3711 rval = QLA_SUCCESS;
3712
3713 segments = FA_RISC_CODE_SEGMENTS;
3714 faddr = FA_RISC_CODE_ADDR;
3715 dcode = (uint32_t *)ha->request_ring;
3716 *srisc_addr = 0;
3717
3718 /* Validate firmware image by checking version. */
3719 qla24xx_read_flash_data(ha, dcode, faddr + 4, 4);
3720 for (i = 0; i < 4; i++)
3721 dcode[i] = be32_to_cpu(dcode[i]);
3722 if ((dcode[0] == 0xffffffff && dcode[1] == 0xffffffff &&
3723 dcode[2] == 0xffffffff && dcode[3] == 0xffffffff) ||
3724 (dcode[0] == 0 && dcode[1] == 0 && dcode[2] == 0 &&
3725 dcode[3] == 0)) {
3726 qla_printk(KERN_WARNING, ha,
3727 "Unable to verify integrity of flash firmware image!\n");
3728 qla_printk(KERN_WARNING, ha,
3729 "Firmware data: %08x %08x %08x %08x!\n", dcode[0],
3730 dcode[1], dcode[2], dcode[3]);
3731
3732 return QLA_FUNCTION_FAILED;
3733 }
3734
3735 while (segments && rval == QLA_SUCCESS) {
3736 /* Read segment's load information. */
3737 qla24xx_read_flash_data(ha, dcode, faddr, 4);
3738
3739 risc_addr = be32_to_cpu(dcode[2]);
3740 *srisc_addr = *srisc_addr == 0 ? risc_addr : *srisc_addr;
3741 risc_size = be32_to_cpu(dcode[3]);
3742
3743 fragment = 0;
3744 while (risc_size > 0 && rval == QLA_SUCCESS) {
3745 dlen = (uint32_t)(ha->fw_transfer_size >> 2);
3746 if (dlen > risc_size)
3747 dlen = risc_size;
3748
3749 DEBUG7(printk("scsi(%ld): Loading risc segment@ risc "
3750 "addr %x, number of dwords 0x%x, offset 0x%x.\n",
3751 ha->host_no, risc_addr, dlen, faddr));
3752
3753 qla24xx_read_flash_data(ha, dcode, faddr, dlen);
3754 for (i = 0; i < dlen; i++)
3755 dcode[i] = swab32(dcode[i]);
3756
3757 rval = qla2x00_load_ram(ha, ha->request_dma, risc_addr,
3758 dlen);
3759 if (rval) {
3760 DEBUG(printk("scsi(%ld):[ERROR] Failed to load "
3761 "segment %d of firmware\n", ha->host_no,
3762 fragment));
3763 qla_printk(KERN_WARNING, ha,
3764 "[ERROR] Failed to load segment %d of "
3765 "firmware\n", fragment);
3766 break;
3767 }
3768
3769 faddr += dlen;
3770 risc_addr += dlen;
3771 risc_size -= dlen;
3772 fragment++;
3773 }
3774
3775 /* Next segment. */
3776 segments--;
3777 }
3778
3779 return rval;
3780}
3781
d1c61909
AV		 3782#define QLA_FW_URL "ftp://ftp.qlogic.com/outgoing/linux/firmware/"
3783
0107109e 3784int
5433383e
AV		 3785qla2x00_load_risc(scsi_qla_host_t *ha, uint32_t *srisc_addr)
3786{
3787 int rval;
3788 int i, fragment;
3789 uint16_t *wcode, *fwcode;
3790 uint32_t risc_addr, risc_size, fwclen, wlen, *seg;
3791 struct fw_blob *blob;
3792
3793 /* Load firmware blob. */
3794 blob = qla2x00_request_firmware(ha);
3795 if (!blob) {
3796 qla_printk(KERN_ERR, ha, "Firmware image unavailable.\n");
d1c61909
AV		 3797 qla_printk(KERN_ERR, ha, "Firmware images can be retrieved "
3798 "from: " QLA_FW_URL ".\n");
5433383e
AV		 3799 return QLA_FUNCTION_FAILED;
3800 }
3801
3802 rval = QLA_SUCCESS;
3803
3804 wcode = (uint16_t *)ha->request_ring;
3805 *srisc_addr = 0;
3806 fwcode = (uint16_t *)blob->fw->data;
3807 fwclen = 0;
3808
3809 /* Validate firmware image by checking version. */
3810 if (blob->fw->size < 8 * sizeof(uint16_t)) {
3811 qla_printk(KERN_WARNING, ha,
3812 "Unable to verify integrity of firmware image (%Zd)!\n",
3813 blob->fw->size);
3814 goto fail_fw_integrity;
3815 }
3816 for (i = 0; i < 4; i++)
3817 wcode[i] = be16_to_cpu(fwcode[i + 4]);
3818 if ((wcode[0] == 0xffff && wcode[1] == 0xffff && wcode[2] == 0xffff &&
3819 wcode[3] == 0xffff) || (wcode[0] == 0 && wcode[1] == 0 &&
3820 wcode[2] == 0 && wcode[3] == 0)) {
3821 qla_printk(KERN_WARNING, ha,
3822 "Unable to verify integrity of firmware image!\n");
3823 qla_printk(KERN_WARNING, ha,
3824 "Firmware data: %04x %04x %04x %04x!\n", wcode[0],
3825 wcode[1], wcode[2], wcode[3]);
3826 goto fail_fw_integrity;
3827 }
3828
3829 seg = blob->segs;
3830 while (*seg && rval == QLA_SUCCESS) {
3831 risc_addr = *seg;
3832 *srisc_addr = *srisc_addr == 0 ? *seg : *srisc_addr;
3833 risc_size = be16_to_cpu(fwcode[3]);
3834
3835 /* Validate firmware image size. */
3836 fwclen += risc_size * sizeof(uint16_t);
3837 if (blob->fw->size < fwclen) {
3838 qla_printk(KERN_WARNING, ha,
3839 "Unable to verify integrity of firmware image "
3840 "(%Zd)!\n", blob->fw->size);
3841 goto fail_fw_integrity;
3842 }
3843
3844 fragment = 0;
3845 while (risc_size > 0 && rval == QLA_SUCCESS) {
3846 wlen = (uint16_t)(ha->fw_transfer_size >> 1);
3847 if (wlen > risc_size)
3848 wlen = risc_size;
3849
3850 DEBUG7(printk("scsi(%ld): Loading risc segment@ risc "
3851 "addr %x, number of words 0x%x.\n", ha->host_no,
3852 risc_addr, wlen));
3853
3854 for (i = 0; i < wlen; i++)
3855 wcode[i] = swab16(fwcode[i]);
3856
3857 rval = qla2x00_load_ram(ha, ha->request_dma, risc_addr,
3858 wlen);
3859 if (rval) {
3860 DEBUG(printk("scsi(%ld):[ERROR] Failed to load "
3861 "segment %d of firmware\n", ha->host_no,
3862 fragment));
3863 qla_printk(KERN_WARNING, ha,
3864 "[ERROR] Failed to load segment %d of "
3865 "firmware\n", fragment);
3866 break;
3867 }
3868
3869 fwcode += wlen;
3870 risc_addr += wlen;
3871 risc_size -= wlen;
3872 fragment++;
3873 }
3874
3875 /* Next segment. */
3876 seg++;
3877 }
3878 return rval;
3879
3880fail_fw_integrity:
3881 return QLA_FUNCTION_FAILED;
3882}
3883
3884int
3885qla24xx_load_risc(scsi_qla_host_t *ha, uint32_t *srisc_addr)
0107109e
AV		 3886{
3887 int rval;
3888 int segments, fragment;
3889 uint32_t *dcode, dlen;
3890 uint32_t risc_addr;
3891 uint32_t risc_size;
3892 uint32_t i;
5433383e 3893 struct fw_blob *blob;
0107109e
AV		 3894 uint32_t *fwcode, fwclen;
3895
5433383e
AV		 3896 /* Load firmware blob. */
3897 blob = qla2x00_request_firmware(ha);
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");
3902
3903 /* Try to load RISC code from flash. */
3904 qla_printk(KERN_ERR, ha, "Attempting to load (potentially "
3905 "outdated) firmware from flash.\n");
3906 return qla24xx_load_risc_flash(ha, srisc_addr);
0107109e
AV		 3907 }
3908
3909 rval = QLA_SUCCESS;
3910
3911 segments = FA_RISC_CODE_SEGMENTS;
3912 dcode = (uint32_t *)ha->request_ring;
3913 *srisc_addr = 0;
5433383e 3914 fwcode = (uint32_t *)blob->fw->data;
0107109e
AV		 3915 fwclen = 0;
3916
3917 /* Validate firmware image by checking version. */
5433383e 3918 if (blob->fw->size < 8 * sizeof(uint32_t)) {
0107109e 3919 qla_printk(KERN_WARNING, ha,
5433383e
AV		 3920 "Unable to verify integrity of firmware image (%Zd)!\n",
3921 blob->fw->size);
0107109e
AV		 3922 goto fail_fw_integrity;
3923 }
3924 for (i = 0; i < 4; i++)
3925 dcode[i] = be32_to_cpu(fwcode[i + 4]);
3926 if ((dcode[0] == 0xffffffff && dcode[1] == 0xffffffff &&
3927 dcode[2] == 0xffffffff && dcode[3] == 0xffffffff) ||
3928 (dcode[0] == 0 && dcode[1] == 0 && dcode[2] == 0 &&
3929 dcode[3] == 0)) {
3930 qla_printk(KERN_WARNING, ha,
5433383e 3931 "Unable to verify integrity of firmware image!\n");
0107109e
AV		 3932 qla_printk(KERN_WARNING, ha,
3933 "Firmware data: %08x %08x %08x %08x!\n", dcode[0],
3934 dcode[1], dcode[2], dcode[3]);
3935 goto fail_fw_integrity;
3936 }
3937
3938 while (segments && rval == QLA_SUCCESS) {
3939 risc_addr = be32_to_cpu(fwcode[2]);
3940 *srisc_addr = *srisc_addr == 0 ? risc_addr : *srisc_addr;
3941 risc_size = be32_to_cpu(fwcode[3]);
3942
3943 /* Validate firmware image size. */
3944 fwclen += risc_size * sizeof(uint32_t);
5433383e 3945 if (blob->fw->size < fwclen) {
0107109e 3946 qla_printk(KERN_WARNING, ha,
5433383e
AV		 3947 "Unable to verify integrity of firmware image "
3948 "(%Zd)!\n", blob->fw->size);
3949
0107109e
AV		 3950 goto fail_fw_integrity;
3951 }
3952
3953 fragment = 0;
3954 while (risc_size > 0 && rval == QLA_SUCCESS) {
3955 dlen = (uint32_t)(ha->fw_transfer_size >> 2);
3956 if (dlen > risc_size)
3957 dlen = risc_size;
3958
3959 DEBUG7(printk("scsi(%ld): Loading risc segment@ risc "
3960 "addr %x, number of dwords 0x%x.\n", ha->host_no,
3961 risc_addr, dlen));
3962
3963 for (i = 0; i < dlen; i++)
3964 dcode[i] = swab32(fwcode[i]);
3965
590f98e5 3966 rval = qla2x00_load_ram(ha, ha->request_dma, risc_addr,
3967 dlen);
0107109e
AV		 3968 if (rval) {
3969 DEBUG(printk("scsi(%ld):[ERROR] Failed to load "
3970 "segment %d of firmware\n", ha->host_no,
3971 fragment));
3972 qla_printk(KERN_WARNING, ha,
3973 "[ERROR] Failed to load segment %d of "
3974 "firmware\n", fragment);
3975 break;
3976 }
3977
3978 fwcode += dlen;
3979 risc_addr += dlen;
3980 risc_size -= dlen;
3981 fragment++;
3982 }
3983
3984 /* Next segment. */
3985 segments--;
3986 }
0107109e
AV		 3987 return rval;
3988
3989fail_fw_integrity:
0107109e 3990 return QLA_FUNCTION_FAILED;
0107109e 3991}
18c6c127
AV		 3992
3993void
3994qla2x00_try_to_stop_firmware(scsi_qla_host_t *ha)
3995{
3996 int ret, retries;
3997
e428924c 3998 if (!IS_FWI2_CAPABLE(ha))
18c6c127 3999 return;
75edf81d
AV		 4000 if (!ha->fw_major_version)
4001 return;
18c6c127
AV		 4002
4003 ret = qla2x00_stop_firmware(ha);
4004 for (retries = 5; ret != QLA_SUCCESS && retries ; retries--) {
4005 qla2x00_reset_chip(ha);
4006 if (qla2x00_chip_diag(ha) != QLA_SUCCESS)
4007 continue;
4008 if (qla2x00_setup_chip(ha) != QLA_SUCCESS)
4009 continue;
4010 qla_printk(KERN_INFO, ha,
4011 "Attempting retry of stop-firmware command...\n");
4012 ret = qla2x00_stop_firmware(ha);
4013 }
4014}
2c3dfe3f
SJ		 4015
4016int
4017qla24xx_configure_vhba(scsi_qla_host_t *ha)
4018{
4019 int rval = QLA_SUCCESS;
4020 uint16_t mb[MAILBOX_REGISTER_COUNT];
4021
4022 if (!ha->parent)
4023 return -EINVAL;
4024
4025 rval = qla2x00_fw_ready(ha);
4026 if (rval == QLA_SUCCESS) {
4027 clear_bit(RESET_MARKER_NEEDED, &ha->dpc_flags);
4028 qla2x00_marker(ha, 0, 0, MK_SYNC_ALL);
4029 }
4030
4031 ha->flags.management_server_logged_in = 0;
4032
4033 /* Login to SNS first */
4034 qla24xx_login_fabric(ha, NPH_SNS, 0xff, 0xff, 0xfc,
4035 mb, BIT_1);
4036 if (mb[0] != MBS_COMMAND_COMPLETE) {
4037 DEBUG15(qla_printk(KERN_INFO, ha,
4038 "Failed SNS login: loop_id=%x mb[0]=%x mb[1]=%x "
4039 "mb[2]=%x mb[6]=%x mb[7]=%x\n", NPH_SNS,
4040 mb[0], mb[1], mb[2], mb[6], mb[7]));
4041 return (QLA_FUNCTION_FAILED);
4042 }
4043
4044 atomic_set(&ha->loop_down_timer, 0);
4045 atomic_set(&ha->loop_state, LOOP_UP);
4046 set_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags);
4047 set_bit(LOCAL_LOOP_UPDATE, &ha->dpc_flags);
4048 rval = qla2x00_loop_resync(ha);
4049
4050 return rval;
4051}
Linux 6.x block layer and io_uring tree(s)