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[SCSI] advansys: wrap PCI table inside ifdef CONFIG_PCI
[net-next-2.6.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
14/* XXX(hch): this is ugly, but we don't want to pull in exioctl.h */
15#ifndef EXT_IS_LUN_BIT_SET
16#define EXT_IS_LUN_BIT_SET(P,L) \
17 (((P)->mask[L/8] & (0x80 >> (L%8)))?1:0)
18#define EXT_SET_LUN_BIT(P,L) \
19 ((P)->mask[L/8] |= (0x80 >> (L%8)))
20#endif
21
22/*
23* QLogic ISP2x00 Hardware Support Function Prototypes.
24*/
1da177e4 25static int qla2x00_isp_firmware(scsi_qla_host_t *);
1da177e4
LT		 26static void qla2x00_resize_request_q(scsi_qla_host_t *);
27static int qla2x00_setup_chip(scsi_qla_host_t *);
28static void qla2x00_init_response_q_entries(scsi_qla_host_t *);
29static int qla2x00_init_rings(scsi_qla_host_t *);
30static int qla2x00_fw_ready(scsi_qla_host_t *);
31static int qla2x00_configure_hba(scsi_qla_host_t *);
1da177e4
LT		 32static int qla2x00_configure_loop(scsi_qla_host_t *);
33static int qla2x00_configure_local_loop(scsi_qla_host_t *);
1da177e4
LT		 34static int qla2x00_configure_fabric(scsi_qla_host_t *);
35static int qla2x00_find_all_fabric_devs(scsi_qla_host_t *, struct list_head *);
36static int qla2x00_device_resync(scsi_qla_host_t *);
37static int qla2x00_fabric_dev_login(scsi_qla_host_t *, fc_port_t *,
38 uint16_t *);
1da177e4
LT		 39
40static int qla2x00_restart_isp(scsi_qla_host_t *);
1da177e4 41
413975a0
AB		 42static int qla2x00_find_new_loop_id(scsi_qla_host_t *ha, fc_port_t *dev);
43
1da177e4
LT		 44/****************************************************************************/
45/* QLogic ISP2x00 Hardware Support Functions. */
46/****************************************************************************/
47
48/*
49* qla2x00_initialize_adapter
50* Initialize board.
51*
52* Input:
53* ha = adapter block pointer.
54*
55* Returns:
56* 0 = success
57*/
58int
59qla2x00_initialize_adapter(scsi_qla_host_t *ha)
60{
61 int rval;
1da177e4
LT		 62
63 /* Clear adapter flags. */
64 ha->flags.online = 0;
65 ha->flags.reset_active = 0;
66 atomic_set(&ha->loop_down_timer, LOOP_DOWN_TIME);
67 atomic_set(&ha->loop_state, LOOP_DOWN);
68 ha->device_flags = 0;
1da177e4 69 ha->dpc_flags = 0;
1da177e4
LT		 70 ha->flags.management_server_logged_in = 0;
71 ha->marker_needed = 0;
72 ha->mbx_flags = 0;
73 ha->isp_abort_cnt = 0;
74 ha->beacon_blink_led = 0;
cca5335c 75 set_bit(REGISTER_FDMI_NEEDED, &ha->dpc_flags);
1da177e4 76
0107109e 77 qla_printk(KERN_INFO, ha, "Configuring PCI space...\n");
abbd8870 78 rval = ha->isp_ops.pci_config(ha);
1da177e4
LT		 79 if (rval) {
80 DEBUG2(printk("scsi(%ld): Unable to configure PCI space=n",
81 ha->host_no));
82 return (rval);
83 }
84
abbd8870 85 ha->isp_ops.reset_chip(ha);
1da177e4 86
1da177e4 87 qla_printk(KERN_INFO, ha, "Configure NVRAM parameters...\n");
0107109e 88
abbd8870 89 ha->isp_ops.nvram_config(ha);
1da177e4 90
d4c760c2
AV		 91 if (ha->flags.disable_serdes) {
92 /* Mask HBA via NVRAM settings? */
93 qla_printk(KERN_INFO, ha, "Masking HBA WWPN "
94 "%02x%02x%02x%02x%02x%02x%02x%02x (via NVRAM).\n",
95 ha->port_name[0], ha->port_name[1],
96 ha->port_name[2], ha->port_name[3],
97 ha->port_name[4], ha->port_name[5],
98 ha->port_name[6], ha->port_name[7]);
99 return QLA_FUNCTION_FAILED;
100 }
101
1da177e4
LT		 102 qla_printk(KERN_INFO, ha, "Verifying loaded RISC code...\n");
103
d19044c3
AV		 104 if (qla2x00_isp_firmware(ha) != QLA_SUCCESS) {
105 rval = ha->isp_ops.chip_diag(ha);
106 if (rval)
107 return (rval);
108 rval = qla2x00_setup_chip(ha);
109 if (rval)
110 return (rval);
1da177e4 111 }
d19044c3 112 rval = qla2x00_init_rings(ha);
1da177e4
LT		 113
114 return (rval);
115}
116
117/**
abbd8870 118 * qla2100_pci_config() - Setup ISP21xx PCI configuration registers.
1da177e4
LT		 119 * @ha: HA context
120 *
121 * Returns 0 on success.
122 */
abbd8870
AV		 123int
124qla2100_pci_config(scsi_qla_host_t *ha)
1da177e4 125{
abbd8870 126 uint16_t w, mwi;
27b2f679 127 uint32_t d;
abbd8870 128 unsigned long flags;
3d71644c 129 struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
1da177e4 130
1da177e4
LT		 131 pci_set_master(ha->pdev);
132 mwi = 0;
133 if (pci_set_mwi(ha->pdev))
134 mwi = PCI_COMMAND_INVALIDATE;
1da177e4 135
1da177e4
LT		 136 pci_read_config_word(ha->pdev, PCI_COMMAND, &w);
137 w |= mwi | (PCI_COMMAND_PARITY | PCI_COMMAND_SERR);
abbd8870
AV		 138 pci_write_config_word(ha->pdev, PCI_COMMAND, w);
139
140 /* Reset expansion ROM address decode enable */
27b2f679
AK		 141 pci_read_config_dword(ha->pdev, PCI_ROM_ADDRESS, &d);
142 d &= ~PCI_ROM_ADDRESS_ENABLE;
143 pci_write_config_dword(ha->pdev, PCI_ROM_ADDRESS, d);
1da177e4
LT		 144
145 /* Get PCI bus information. */
146 spin_lock_irqsave(&ha->hardware_lock, flags);
3d71644c 147 ha->pci_attr = RD_REG_WORD(&reg->ctrl_status);
1da177e4
LT		 148 spin_unlock_irqrestore(&ha->hardware_lock, flags);
149
abbd8870
AV		 150 return QLA_SUCCESS;
151}
1da177e4 152
abbd8870
AV		 153/**
154 * qla2300_pci_config() - Setup ISP23xx PCI configuration registers.
155 * @ha: HA context
156 *
157 * Returns 0 on success.
158 */
159int
160qla2300_pci_config(scsi_qla_host_t *ha)
161{
162 uint16_t w, mwi;
27b2f679 163 uint32_t d;
abbd8870
AV		 164 unsigned long flags = 0;
165 uint32_t cnt;
3d71644c 166 struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
1da177e4 167
abbd8870
AV		 168 pci_set_master(ha->pdev);
169 mwi = 0;
170 if (pci_set_mwi(ha->pdev))
171 mwi = PCI_COMMAND_INVALIDATE;
1da177e4 172
abbd8870
AV		 173 pci_read_config_word(ha->pdev, PCI_COMMAND, &w);
174 w |= mwi | (PCI_COMMAND_PARITY | PCI_COMMAND_SERR);
1da177e4 175
abbd8870
AV		 176 if (IS_QLA2322(ha) || IS_QLA6322(ha))
177 w &= ~PCI_COMMAND_INTX_DISABLE;
1da177e4 178
abbd8870
AV		 179 /*
180 * If this is a 2300 card and not 2312, reset the
181 * COMMAND_INVALIDATE due to a bug in the 2300. Unfortunately,
182 * the 2310 also reports itself as a 2300 so we need to get the
183 * fb revision level -- a 6 indicates it really is a 2300 and
184 * not a 2310.
185 */
186 if (IS_QLA2300(ha)) {
187 spin_lock_irqsave(&ha->hardware_lock, flags);
1da177e4 188
abbd8870 189 /* Pause RISC. */
3d71644c 190 WRT_REG_WORD(&reg->hccr, HCCR_PAUSE_RISC);
abbd8870 191 for (cnt = 0; cnt < 30000; cnt++) {
3d71644c 192 if ((RD_REG_WORD(&reg->hccr) & HCCR_RISC_PAUSE) != 0)
abbd8870 193 break;
1da177e4 194
abbd8870
AV		 195 udelay(10);
196 }
1da177e4 197
abbd8870 198 /* Select FPM registers. */
3d71644c
AV		 199 WRT_REG_WORD(&reg->ctrl_status, 0x20);
200 RD_REG_WORD(&reg->ctrl_status);
abbd8870
AV		 201
202 /* Get the fb rev level */
3d71644c 203 ha->fb_rev = RD_FB_CMD_REG(ha, reg);
abbd8870
AV		 204
205 if (ha->fb_rev == FPM_2300)
206 w &= ~PCI_COMMAND_INVALIDATE;
207
208 /* Deselect FPM registers. */
3d71644c
AV		 209 WRT_REG_WORD(&reg->ctrl_status, 0x0);
210 RD_REG_WORD(&reg->ctrl_status);
abbd8870
AV		 211
212 /* Release RISC module. */
3d71644c 213 WRT_REG_WORD(&reg->hccr, HCCR_RELEASE_RISC);
abbd8870 214 for (cnt = 0; cnt < 30000; cnt++) {
3d71644c 215 if ((RD_REG_WORD(&reg->hccr) & HCCR_RISC_PAUSE) == 0)
abbd8870
AV		 216 break;
217
218 udelay(10);
1da177e4 219 }
1da177e4 220
abbd8870
AV		 221 spin_unlock_irqrestore(&ha->hardware_lock, flags);
222 }
1da177e4
LT		 223 pci_write_config_word(ha->pdev, PCI_COMMAND, w);
224
abbd8870
AV		 225 pci_write_config_byte(ha->pdev, PCI_LATENCY_TIMER, 0x80);
226
1da177e4 227 /* Reset expansion ROM address decode enable */
27b2f679
AK		 228 pci_read_config_dword(ha->pdev, PCI_ROM_ADDRESS, &d);
229 d &= ~PCI_ROM_ADDRESS_ENABLE;
230 pci_write_config_dword(ha->pdev, PCI_ROM_ADDRESS, d);
1da177e4 231
abbd8870
AV		 232 /* Get PCI bus information. */
233 spin_lock_irqsave(&ha->hardware_lock, flags);
3d71644c 234 ha->pci_attr = RD_REG_WORD(&reg->ctrl_status);
abbd8870
AV		 235 spin_unlock_irqrestore(&ha->hardware_lock, flags);
236
237 return QLA_SUCCESS;
1da177e4
LT		 238}
239
0107109e
AV		 240/**
241 * qla24xx_pci_config() - Setup ISP24xx PCI configuration registers.
242 * @ha: HA context
243 *
244 * Returns 0 on success.
245 */
246int
247qla24xx_pci_config(scsi_qla_host_t *ha)
248{
249 uint16_t w, mwi;
27b2f679 250 uint32_t d;
0107109e
AV		 251 unsigned long flags = 0;
252 struct device_reg_24xx __iomem *reg = &ha->iobase->isp24;
253 int pcix_cmd_reg, pcie_dctl_reg;
254
255 pci_set_master(ha->pdev);
256 mwi = 0;
257 if (pci_set_mwi(ha->pdev))
258 mwi = PCI_COMMAND_INVALIDATE;
0107109e
AV		 259
260 pci_read_config_word(ha->pdev, PCI_COMMAND, &w);
261 w |= mwi | (PCI_COMMAND_PARITY | PCI_COMMAND_SERR);
262 w &= ~PCI_COMMAND_INTX_DISABLE;
263 pci_write_config_word(ha->pdev, PCI_COMMAND, w);
264
265 pci_write_config_byte(ha->pdev, PCI_LATENCY_TIMER, 0x80);
266
267 /* PCI-X -- adjust Maximum Memory Read Byte Count (2048). */
268 pcix_cmd_reg = pci_find_capability(ha->pdev, PCI_CAP_ID_PCIX);
269 if (pcix_cmd_reg) {
270 uint16_t pcix_cmd;
271
272 pcix_cmd_reg += PCI_X_CMD;
273 pci_read_config_word(ha->pdev, pcix_cmd_reg, &pcix_cmd);
274 pcix_cmd &= ~PCI_X_CMD_MAX_READ;
275 pcix_cmd |= 0x0008;
276 pci_write_config_word(ha->pdev, pcix_cmd_reg, pcix_cmd);
277 }
278
279 /* PCIe -- adjust Maximum Read Request Size (2048). */
280 pcie_dctl_reg = pci_find_capability(ha->pdev, PCI_CAP_ID_EXP);
281 if (pcie_dctl_reg) {
282 uint16_t pcie_dctl;
283
284 pcie_dctl_reg += PCI_EXP_DEVCTL;
285 pci_read_config_word(ha->pdev, pcie_dctl_reg, &pcie_dctl);
286 pcie_dctl &= ~PCI_EXP_DEVCTL_READRQ;
287 pcie_dctl |= 0x4000;
288 pci_write_config_word(ha->pdev, pcie_dctl_reg, pcie_dctl);
289 }
290
291 /* Reset expansion ROM address decode enable */
27b2f679
AK		 292 pci_read_config_dword(ha->pdev, PCI_ROM_ADDRESS, &d);
293 d &= ~PCI_ROM_ADDRESS_ENABLE;
294 pci_write_config_dword(ha->pdev, PCI_ROM_ADDRESS, d);
0107109e
AV		 295
296 /* Get PCI bus information. */
297 spin_lock_irqsave(&ha->hardware_lock, flags);
298 ha->pci_attr = RD_REG_DWORD(&reg->ctrl_status);
299 spin_unlock_irqrestore(&ha->hardware_lock, flags);
300
301 return QLA_SUCCESS;
302}
303
1da177e4
LT		 304/**
305 * qla2x00_isp_firmware() - Choose firmware image.
306 * @ha: HA context
307 *
308 * Returns 0 on success.
309 */
310static int
311qla2x00_isp_firmware(scsi_qla_host_t *ha)
312{
313 int rval;
314
315 /* Assume loading risc code */
fa2a1ce5 316 rval = QLA_FUNCTION_FAILED;
1da177e4
LT		 317
318 if (ha->flags.disable_risc_code_load) {
319 DEBUG2(printk("scsi(%ld): RISC CODE NOT loaded\n",
320 ha->host_no));
321 qla_printk(KERN_INFO, ha, "RISC CODE NOT loaded\n");
322
323 /* Verify checksum of loaded RISC code. */
441d1072 324 rval = qla2x00_verify_checksum(ha, ha->fw_srisc_address);
1da177e4
LT		 325 }
326
327 if (rval) {
328 DEBUG2_3(printk("scsi(%ld): **** Load RISC code ****\n",
329 ha->host_no));
330 }
331
332 return (rval);
333}
334
335/**
336 * qla2x00_reset_chip() - Reset ISP chip.
337 * @ha: HA context
338 *
339 * Returns 0 on success.
340 */
abbd8870 341void
fa2a1ce5 342qla2x00_reset_chip(scsi_qla_host_t *ha)
1da177e4
LT		 343{
344 unsigned long flags = 0;
3d71644c 345 struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
1da177e4 346 uint32_t cnt;
1da177e4
LT		 347 uint16_t cmd;
348
abbd8870 349 ha->isp_ops.disable_intrs(ha);
1da177e4
LT		 350
351 spin_lock_irqsave(&ha->hardware_lock, flags);
352
353 /* Turn off master enable */
354 cmd = 0;
355 pci_read_config_word(ha->pdev, PCI_COMMAND, &cmd);
356 cmd &= ~PCI_COMMAND_MASTER;
357 pci_write_config_word(ha->pdev, PCI_COMMAND, cmd);
358
359 if (!IS_QLA2100(ha)) {
360 /* Pause RISC. */
361 WRT_REG_WORD(&reg->hccr, HCCR_PAUSE_RISC);
362 if (IS_QLA2200(ha) || IS_QLA2300(ha)) {
363 for (cnt = 0; cnt < 30000; cnt++) {
364 if ((RD_REG_WORD(&reg->hccr) &
365 HCCR_RISC_PAUSE) != 0)
366 break;
367 udelay(100);
368 }
369 } else {
370 RD_REG_WORD(&reg->hccr); /* PCI Posting. */
371 udelay(10);
372 }
373
374 /* Select FPM registers. */
375 WRT_REG_WORD(&reg->ctrl_status, 0x20);
376 RD_REG_WORD(&reg->ctrl_status); /* PCI Posting. */
377
378 /* FPM Soft Reset. */
379 WRT_REG_WORD(&reg->fpm_diag_config, 0x100);
380 RD_REG_WORD(&reg->fpm_diag_config); /* PCI Posting. */
381
382 /* Toggle Fpm Reset. */
383 if (!IS_QLA2200(ha)) {
384 WRT_REG_WORD(&reg->fpm_diag_config, 0x0);
385 RD_REG_WORD(&reg->fpm_diag_config); /* PCI Posting. */
386 }
387
388 /* Select frame buffer registers. */
389 WRT_REG_WORD(&reg->ctrl_status, 0x10);
390 RD_REG_WORD(&reg->ctrl_status); /* PCI Posting. */
391
392 /* Reset frame buffer FIFOs. */
393 if (IS_QLA2200(ha)) {
394 WRT_FB_CMD_REG(ha, reg, 0xa000);
395 RD_FB_CMD_REG(ha, reg); /* PCI Posting. */
396 } else {
397 WRT_FB_CMD_REG(ha, reg, 0x00fc);
398
399 /* Read back fb_cmd until zero or 3 seconds max */
400 for (cnt = 0; cnt < 3000; cnt++) {
401 if ((RD_FB_CMD_REG(ha, reg) & 0xff) == 0)
402 break;
403 udelay(100);
404 }
405 }
406
407 /* Select RISC module registers. */
408 WRT_REG_WORD(&reg->ctrl_status, 0);
409 RD_REG_WORD(&reg->ctrl_status); /* PCI Posting. */
410
411 /* Reset RISC processor. */
412 WRT_REG_WORD(&reg->hccr, HCCR_RESET_RISC);
413 RD_REG_WORD(&reg->hccr); /* PCI Posting. */
414
415 /* Release RISC processor. */
416 WRT_REG_WORD(&reg->hccr, HCCR_RELEASE_RISC);
417 RD_REG_WORD(&reg->hccr); /* PCI Posting. */
418 }
419
420 WRT_REG_WORD(&reg->hccr, HCCR_CLR_RISC_INT);
421 WRT_REG_WORD(&reg->hccr, HCCR_CLR_HOST_INT);
422
423 /* Reset ISP chip. */
424 WRT_REG_WORD(&reg->ctrl_status, CSR_ISP_SOFT_RESET);
425
426 /* Wait for RISC to recover from reset. */
427 if (IS_QLA2100(ha) || IS_QLA2200(ha) || IS_QLA2300(ha)) {
428 /*
429 * It is necessary to for a delay here since the card doesn't
430 * respond to PCI reads during a reset. On some architectures
431 * this will result in an MCA.
432 */
433 udelay(20);
434 for (cnt = 30000; cnt; cnt--) {
435 if ((RD_REG_WORD(&reg->ctrl_status) &
436 CSR_ISP_SOFT_RESET) == 0)
437 break;
438 udelay(100);
439 }
440 } else
441 udelay(10);
442
443 /* Reset RISC processor. */
444 WRT_REG_WORD(&reg->hccr, HCCR_RESET_RISC);
445
446 WRT_REG_WORD(&reg->semaphore, 0);
447
448 /* Release RISC processor. */
449 WRT_REG_WORD(&reg->hccr, HCCR_RELEASE_RISC);
450 RD_REG_WORD(&reg->hccr); /* PCI Posting. */
451
452 if (IS_QLA2100(ha) || IS_QLA2200(ha) || IS_QLA2300(ha)) {
453 for (cnt = 0; cnt < 30000; cnt++) {
ffb39f03 454 if (RD_MAILBOX_REG(ha, reg, 0) != MBS_BUSY)
1da177e4 455 break;
1da177e4
LT		 456
457 udelay(100);
458 }
459 } else
460 udelay(100);
461
462 /* Turn on master enable */
463 cmd |= PCI_COMMAND_MASTER;
464 pci_write_config_word(ha->pdev, PCI_COMMAND, cmd);
465
466 /* Disable RISC pause on FPM parity error. */
467 if (!IS_QLA2100(ha)) {
468 WRT_REG_WORD(&reg->hccr, HCCR_DISABLE_PARITY_PAUSE);
469 RD_REG_WORD(&reg->hccr); /* PCI Posting. */
470 }
471
472 spin_unlock_irqrestore(&ha->hardware_lock, flags);
473}
474
0107109e 475/**
88c26663 476 * qla24xx_reset_risc() - Perform full reset of ISP24xx RISC.
0107109e
AV		 477 * @ha: HA context
478 *
479 * Returns 0 on success.
480 */
88c26663
AV		 481static inline void
482qla24xx_reset_risc(scsi_qla_host_t *ha)
0107109e
AV		 483{
484 unsigned long flags = 0;
485 struct device_reg_24xx __iomem *reg = &ha->iobase->isp24;
486 uint32_t cnt, d2;
335a1cc9 487 uint16_t wd;
0107109e 488
0107109e
AV		 489 spin_lock_irqsave(&ha->hardware_lock, flags);
490
491 /* Reset RISC. */
492 WRT_REG_DWORD(&reg->ctrl_status, CSRX_DMA_SHUTDOWN|MWB_4096_BYTES);
493 for (cnt = 0; cnt < 30000; cnt++) {
494 if ((RD_REG_DWORD(&reg->ctrl_status) & CSRX_DMA_ACTIVE) == 0)
495 break;
496
497 udelay(10);
498 }
499
500 WRT_REG_DWORD(&reg->ctrl_status,
501 CSRX_ISP_SOFT_RESET|CSRX_DMA_SHUTDOWN|MWB_4096_BYTES);
335a1cc9 502 pci_read_config_word(ha->pdev, PCI_COMMAND, &wd);
88c26663 503
335a1cc9 504 udelay(100);
88c26663 505 /* Wait for firmware to complete NVRAM accesses. */
88c26663
AV		 506 d2 = (uint32_t) RD_REG_WORD(&reg->mailbox0);
507 for (cnt = 10000 ; cnt && d2; cnt--) {
508 udelay(5);
509 d2 = (uint32_t) RD_REG_WORD(&reg->mailbox0);
510 barrier();
511 }
512
335a1cc9 513 /* Wait for soft-reset to complete. */
0107109e
AV		 514 d2 = RD_REG_DWORD(&reg->ctrl_status);
515 for (cnt = 6000000 ; cnt && (d2 & CSRX_ISP_SOFT_RESET); cnt--) {
516 udelay(5);
517 d2 = RD_REG_DWORD(&reg->ctrl_status);
518 barrier();
519 }
520
521 WRT_REG_DWORD(&reg->hccr, HCCRX_SET_RISC_RESET);
522 RD_REG_DWORD(&reg->hccr);
523
524 WRT_REG_DWORD(&reg->hccr, HCCRX_REL_RISC_PAUSE);
525 RD_REG_DWORD(&reg->hccr);
526
527 WRT_REG_DWORD(&reg->hccr, HCCRX_CLR_RISC_RESET);
528 RD_REG_DWORD(&reg->hccr);
529
530 d2 = (uint32_t) RD_REG_WORD(&reg->mailbox0);
531 for (cnt = 6000000 ; cnt && d2; cnt--) {
532 udelay(5);
533 d2 = (uint32_t) RD_REG_WORD(&reg->mailbox0);
534 barrier();
535 }
536
537 spin_unlock_irqrestore(&ha->hardware_lock, flags);
538}
539
88c26663
AV		 540/**
541 * qla24xx_reset_chip() - Reset ISP24xx chip.
542 * @ha: HA context
543 *
544 * Returns 0 on success.
545 */
546void
547qla24xx_reset_chip(scsi_qla_host_t *ha)
548{
549 ha->isp_ops.disable_intrs(ha);
550
551 /* Perform RISC reset. */
552 qla24xx_reset_risc(ha);
553}
554
1da177e4
LT		 555/**
556 * qla2x00_chip_diag() - Test chip for proper operation.
557 * @ha: HA context
558 *
559 * Returns 0 on success.
560 */
abbd8870 561int
1da177e4
LT		 562qla2x00_chip_diag(scsi_qla_host_t *ha)
563{
564 int rval;
3d71644c 565 struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
1da177e4
LT		 566 unsigned long flags = 0;
567 uint16_t data;
568 uint32_t cnt;
569 uint16_t mb[5];
570
571 /* Assume a failed state */
572 rval = QLA_FUNCTION_FAILED;
573
574 DEBUG3(printk("scsi(%ld): Testing device at %lx.\n",
575 ha->host_no, (u_long)&reg->flash_address));
576
577 spin_lock_irqsave(&ha->hardware_lock, flags);
578
579 /* Reset ISP chip. */
580 WRT_REG_WORD(&reg->ctrl_status, CSR_ISP_SOFT_RESET);
581
582 /*
583 * We need to have a delay here since the card will not respond while
584 * in reset causing an MCA on some architectures.
585 */
586 udelay(20);
587 data = qla2x00_debounce_register(&reg->ctrl_status);
588 for (cnt = 6000000 ; cnt && (data & CSR_ISP_SOFT_RESET); cnt--) {
589 udelay(5);
590 data = RD_REG_WORD(&reg->ctrl_status);
591 barrier();
592 }
593
594 if (!cnt)
595 goto chip_diag_failed;
596
597 DEBUG3(printk("scsi(%ld): Reset register cleared by chip reset\n",
598 ha->host_no));
599
600 /* Reset RISC processor. */
601 WRT_REG_WORD(&reg->hccr, HCCR_RESET_RISC);
602 WRT_REG_WORD(&reg->hccr, HCCR_RELEASE_RISC);
603
604 /* Workaround for QLA2312 PCI parity error */
605 if (IS_QLA2100(ha) || IS_QLA2200(ha) || IS_QLA2300(ha)) {
606 data = qla2x00_debounce_register(MAILBOX_REG(ha, reg, 0));
607 for (cnt = 6000000; cnt && (data == MBS_BUSY); cnt--) {
608 udelay(5);
609 data = RD_MAILBOX_REG(ha, reg, 0);
fa2a1ce5 610 barrier();
1da177e4
LT		 611 }
612 } else
613 udelay(10);
614
615 if (!cnt)
616 goto chip_diag_failed;
617
618 /* Check product ID of chip */
619 DEBUG3(printk("scsi(%ld): Checking product ID of chip\n", ha->host_no));
620
621 mb[1] = RD_MAILBOX_REG(ha, reg, 1);
622 mb[2] = RD_MAILBOX_REG(ha, reg, 2);
623 mb[3] = RD_MAILBOX_REG(ha, reg, 3);
624 mb[4] = qla2x00_debounce_register(MAILBOX_REG(ha, reg, 4));
625 if (mb[1] != PROD_ID_1 || (mb[2] != PROD_ID_2 && mb[2] != PROD_ID_2a) ||
626 mb[3] != PROD_ID_3) {
627 qla_printk(KERN_WARNING, ha,
628 "Wrong product ID = 0x%x,0x%x,0x%x\n", mb[1], mb[2], mb[3]);
629
630 goto chip_diag_failed;
631 }
632 ha->product_id[0] = mb[1];
633 ha->product_id[1] = mb[2];
634 ha->product_id[2] = mb[3];
635 ha->product_id[3] = mb[4];
636
637 /* Adjust fw RISC transfer size */
638 if (ha->request_q_length > 1024)
639 ha->fw_transfer_size = REQUEST_ENTRY_SIZE * 1024;
640 else
641 ha->fw_transfer_size = REQUEST_ENTRY_SIZE *
642 ha->request_q_length;
643
644 if (IS_QLA2200(ha) &&
645 RD_MAILBOX_REG(ha, reg, 7) == QLA2200A_RISC_ROM_VER) {
646 /* Limit firmware transfer size with a 2200A */
647 DEBUG3(printk("scsi(%ld): Found QLA2200A chip.\n",
648 ha->host_no));
649
ea5b6382 650 ha->device_type |= DT_ISP2200A;
1da177e4
LT		 651 ha->fw_transfer_size = 128;
652 }
653
654 /* Wrap Incoming Mailboxes Test. */
655 spin_unlock_irqrestore(&ha->hardware_lock, flags);
656
657 DEBUG3(printk("scsi(%ld): Checking mailboxes.\n", ha->host_no));
658 rval = qla2x00_mbx_reg_test(ha);
659 if (rval) {
660 DEBUG(printk("scsi(%ld): Failed mailbox send register test\n",
661 ha->host_no));
662 qla_printk(KERN_WARNING, ha,
663 "Failed mailbox send register test\n");
664 }
665 else {
666 /* Flag a successful rval */
667 rval = QLA_SUCCESS;
668 }
669 spin_lock_irqsave(&ha->hardware_lock, flags);
670
671chip_diag_failed:
672 if (rval)
673 DEBUG2_3(printk("scsi(%ld): Chip diagnostics **** FAILED "
674 "****\n", ha->host_no));
675
676 spin_unlock_irqrestore(&ha->hardware_lock, flags);
677
678 return (rval);
679}
680
0107109e
AV		 681/**
682 * qla24xx_chip_diag() - Test ISP24xx for proper operation.
683 * @ha: HA context
684 *
685 * Returns 0 on success.
686 */
687int
688qla24xx_chip_diag(scsi_qla_host_t *ha)
689{
690 int rval;
0107109e 691
88c26663
AV		 692 /* Perform RISC reset. */
693 qla24xx_reset_risc(ha);
0107109e
AV		 694
695 ha->fw_transfer_size = REQUEST_ENTRY_SIZE * 1024;
696
697 rval = qla2x00_mbx_reg_test(ha);
698 if (rval) {
699 DEBUG(printk("scsi(%ld): Failed mailbox send register test\n",
700 ha->host_no));
701 qla_printk(KERN_WARNING, ha,
702 "Failed mailbox send register test\n");
703 } else {
704 /* Flag a successful rval */
705 rval = QLA_SUCCESS;
706 }
707
708 return rval;
709}
710
a7a167bf 711void
0107109e
AV		 712qla2x00_alloc_fw_dump(scsi_qla_host_t *ha)
713{
a7a167bf
AV		 714 int rval;
715 uint32_t dump_size, fixed_size, mem_size, req_q_size, rsp_q_size,
716 eft_size;
717 dma_addr_t eft_dma;
718 void *eft;
719
720 if (ha->fw_dump) {
721 qla_printk(KERN_WARNING, ha,
722 "Firmware dump previously allocated.\n");
723 return;
724 }
d4e3e04d 725
0107109e 726 ha->fw_dumped = 0;
a7a167bf 727 fixed_size = mem_size = eft_size = 0;
d4e3e04d 728 if (IS_QLA2100(ha) || IS_QLA2200(ha)) {
a7a167bf 729 fixed_size = sizeof(struct qla2100_fw_dump);
d4e3e04d 730 } else if (IS_QLA23XX(ha)) {
a7a167bf
AV		 731 fixed_size = offsetof(struct qla2300_fw_dump, data_ram);
732 mem_size = (ha->fw_memory_size - 0x11000 + 1) *
733 sizeof(uint16_t);
734 } else if (IS_QLA24XX(ha) || IS_QLA54XX(ha)) {
735 fixed_size = offsetof(struct qla24xx_fw_dump, ext_mem);
736 mem_size = (ha->fw_memory_size - 0x100000 + 1) *
737 sizeof(uint32_t);
738
739 /* Allocate memory for Extended Trace Buffer. */
740 eft = dma_alloc_coherent(&ha->pdev->dev, EFT_SIZE, &eft_dma,
741 GFP_KERNEL);
742 if (!eft) {
743 qla_printk(KERN_WARNING, ha, "Unable to allocate "
744 "(%d KB) for EFT.\n", EFT_SIZE / 1024);
745 goto cont_alloc;
746 }
747
748 rval = qla2x00_trace_control(ha, TC_ENABLE, eft_dma,
749 EFT_NUM_BUFFERS);
750 if (rval) {
751 qla_printk(KERN_WARNING, ha, "Unable to initialize "
752 "EFT (%d).\n", rval);
753 dma_free_coherent(&ha->pdev->dev, EFT_SIZE, eft,
754 eft_dma);
755 goto cont_alloc;
756 }
757
758 qla_printk(KERN_INFO, ha, "Allocated (%d KB) for EFT...\n",
759 EFT_SIZE / 1024);
760
761 eft_size = EFT_SIZE;
762 memset(eft, 0, eft_size);
763 ha->eft_dma = eft_dma;
764 ha->eft = eft;
d4e3e04d 765 }
a7a167bf
AV		 766cont_alloc:
767 req_q_size = ha->request_q_length * sizeof(request_t);
768 rsp_q_size = ha->response_q_length * sizeof(response_t);
769
770 dump_size = offsetof(struct qla2xxx_fw_dump, isp);
771 dump_size += fixed_size + mem_size + req_q_size + rsp_q_size +
772 eft_size;
d4e3e04d
AV		 773
774 ha->fw_dump = vmalloc(dump_size);
a7a167bf 775 if (!ha->fw_dump) {
0107109e 776 qla_printk(KERN_WARNING, ha, "Unable to allocate (%d KB) for "
d4e3e04d 777 "firmware dump!!!\n", dump_size / 1024);
a7a167bf
AV		 778
779 if (ha->eft) {
780 dma_free_coherent(&ha->pdev->dev, eft_size, ha->eft,
781 ha->eft_dma);
782 ha->eft = NULL;
783 ha->eft_dma = 0;
784 }
785 return;
786 }
787
788 qla_printk(KERN_INFO, ha, "Allocated (%d KB) for firmware dump...\n",
789 dump_size / 1024);
790
791 ha->fw_dump_len = dump_size;
792 ha->fw_dump->signature[0] = 'Q';
793 ha->fw_dump->signature[1] = 'L';
794 ha->fw_dump->signature[2] = 'G';
795 ha->fw_dump->signature[3] = 'C';
796 ha->fw_dump->version = __constant_htonl(1);
797
798 ha->fw_dump->fixed_size = htonl(fixed_size);
799 ha->fw_dump->mem_size = htonl(mem_size);
800 ha->fw_dump->req_q_size = htonl(req_q_size);
801 ha->fw_dump->rsp_q_size = htonl(rsp_q_size);
802
803 ha->fw_dump->eft_size = htonl(eft_size);
804 ha->fw_dump->eft_addr_l = htonl(LSD(ha->eft_dma));
805 ha->fw_dump->eft_addr_h = htonl(MSD(ha->eft_dma));
806
807 ha->fw_dump->header_size =
808 htonl(offsetof(struct qla2xxx_fw_dump, isp));
0107109e
AV		 809}
810
1da177e4
LT		 811/**
812 * qla2x00_resize_request_q() - Resize request queue given available ISP memory.
813 * @ha: HA context
814 *
815 * Returns 0 on success.
816 */
817static void
818qla2x00_resize_request_q(scsi_qla_host_t *ha)
819{
820 int rval;
821 uint16_t fw_iocb_cnt = 0;
822 uint16_t request_q_length = REQUEST_ENTRY_CNT_2XXX_EXT_MEM;
823 dma_addr_t request_dma;
824 request_t *request_ring;
825
826 /* Valid only on recent ISPs. */
827 if (IS_QLA2100(ha) || IS_QLA2200(ha))
828 return;
829
830 /* Retrieve IOCB counts available to the firmware. */
831 rval = qla2x00_get_resource_cnts(ha, NULL, NULL, NULL, &fw_iocb_cnt);
832 if (rval)
833 return;
834 /* No point in continuing if current settings are sufficient. */
835 if (fw_iocb_cnt < 1024)
836 return;
837 if (ha->request_q_length >= request_q_length)
838 return;
839
840 /* Attempt to claim larger area for request queue. */
841 request_ring = dma_alloc_coherent(&ha->pdev->dev,
842 (request_q_length + 1) * sizeof(request_t), &request_dma,
843 GFP_KERNEL);
844 if (request_ring == NULL)
845 return;
846
847 /* Resize successful, report extensions. */
848 qla_printk(KERN_INFO, ha, "Extended memory detected (%d KB)...\n",
849 (ha->fw_memory_size + 1) / 1024);
850 qla_printk(KERN_INFO, ha, "Resizing request queue depth "
851 "(%d -> %d)...\n", ha->request_q_length, request_q_length);
852
853 /* Clear old allocations. */
854 dma_free_coherent(&ha->pdev->dev,
855 (ha->request_q_length + 1) * sizeof(request_t), ha->request_ring,
856 ha->request_dma);
857
858 /* Begin using larger queue. */
859 ha->request_q_length = request_q_length;
860 ha->request_ring = request_ring;
861 ha->request_dma = request_dma;
862}
863
864/**
865 * qla2x00_setup_chip() - Load and start RISC firmware.
866 * @ha: HA context
867 *
868 * Returns 0 on success.
869 */
870static int
871qla2x00_setup_chip(scsi_qla_host_t *ha)
872{
0107109e
AV		 873 int rval;
874 uint32_t srisc_address = 0;
1da177e4
LT		 875
876 /* Load firmware sequences */
0107109e
AV		 877 rval = ha->isp_ops.load_risc(ha, &srisc_address);
878 if (rval == QLA_SUCCESS) {
1da177e4
LT		 879 DEBUG(printk("scsi(%ld): Verifying Checksum of loaded RISC "
880 "code.\n", ha->host_no));
881
0107109e 882 rval = qla2x00_verify_checksum(ha, srisc_address);
1da177e4
LT		 883 if (rval == QLA_SUCCESS) {
884 /* Start firmware execution. */
885 DEBUG(printk("scsi(%ld): Checksum OK, start "
886 "firmware.\n", ha->host_no));
887
0107109e 888 rval = qla2x00_execute_fw(ha, srisc_address);
1da177e4
LT		 889 /* Retrieve firmware information. */
890 if (rval == QLA_SUCCESS && ha->fw_major_version == 0) {
891 qla2x00_get_fw_version(ha,
892 &ha->fw_major_version,
893 &ha->fw_minor_version,
894 &ha->fw_subminor_version,
895 &ha->fw_attributes, &ha->fw_memory_size);
896 qla2x00_resize_request_q(ha);
a7a167bf
AV		 897
898 if (ql2xallocfwdump)
899 qla2x00_alloc_fw_dump(ha);
1da177e4
LT		 900 }
901 } else {
902 DEBUG2(printk(KERN_INFO
903 "scsi(%ld): ISP Firmware failed checksum.\n",
904 ha->host_no));
905 }
906 }
907
908 if (rval) {
909 DEBUG2_3(printk("scsi(%ld): Setup chip **** FAILED ****.\n",
910 ha->host_no));
911 }
912
913 return (rval);
914}
915
916/**
917 * qla2x00_init_response_q_entries() - Initializes response queue entries.
918 * @ha: HA context
919 *
920 * Beginning of request ring has initialization control block already built
921 * by nvram config routine.
922 *
923 * Returns 0 on success.
924 */
925static void
926qla2x00_init_response_q_entries(scsi_qla_host_t *ha)
927{
928 uint16_t cnt;
929 response_t *pkt;
930
931 pkt = ha->response_ring_ptr;
932 for (cnt = 0; cnt < ha->response_q_length; cnt++) {
933 pkt->signature = RESPONSE_PROCESSED;
934 pkt++;
935 }
936
937}
938
939/**
940 * qla2x00_update_fw_options() - Read and process firmware options.
941 * @ha: HA context
942 *
943 * Returns 0 on success.
944 */
abbd8870 945void
1da177e4
LT		 946qla2x00_update_fw_options(scsi_qla_host_t *ha)
947{
948 uint16_t swing, emphasis, tx_sens, rx_sens;
949
950 memset(ha->fw_options, 0, sizeof(ha->fw_options));
951 qla2x00_get_fw_options(ha, ha->fw_options);
952
953 if (IS_QLA2100(ha) || IS_QLA2200(ha))
954 return;
955
956 /* Serial Link options. */
957 DEBUG3(printk("scsi(%ld): Serial link options:\n",
958 ha->host_no));
959 DEBUG3(qla2x00_dump_buffer((uint8_t *)&ha->fw_seriallink_options,
960 sizeof(ha->fw_seriallink_options)));
961
962 ha->fw_options[1] &= ~FO1_SET_EMPHASIS_SWING;
963 if (ha->fw_seriallink_options[3] & BIT_2) {
964 ha->fw_options[1] |= FO1_SET_EMPHASIS_SWING;
965
966 /* 1G settings */
967 swing = ha->fw_seriallink_options[2] & (BIT_2 | BIT_1 | BIT_0);
968 emphasis = (ha->fw_seriallink_options[2] &
969 (BIT_4 | BIT_3)) >> 3;
970 tx_sens = ha->fw_seriallink_options[0] &
fa2a1ce5 971 (BIT_3 | BIT_2 | BIT_1 | BIT_0);
1da177e4
LT		 972 rx_sens = (ha->fw_seriallink_options[0] &
973 (BIT_7 | BIT_6 | BIT_5 | BIT_4)) >> 4;
974 ha->fw_options[10] = (emphasis << 14) | (swing << 8);
975 if (IS_QLA2300(ha) || IS_QLA2312(ha) || IS_QLA6312(ha)) {
976 if (rx_sens == 0x0)
977 rx_sens = 0x3;
978 ha->fw_options[10] |= (tx_sens << 4) | rx_sens;
979 } else if (IS_QLA2322(ha) || IS_QLA6322(ha))
980 ha->fw_options[10] |= BIT_5 |
981 ((rx_sens & (BIT_1 | BIT_0)) << 2) |
982 (tx_sens & (BIT_1 | BIT_0));
983
984 /* 2G settings */
985 swing = (ha->fw_seriallink_options[2] &
986 (BIT_7 | BIT_6 | BIT_5)) >> 5;
987 emphasis = ha->fw_seriallink_options[3] & (BIT_1 | BIT_0);
988 tx_sens = ha->fw_seriallink_options[1] &
fa2a1ce5 989 (BIT_3 | BIT_2 | BIT_1 | BIT_0);
1da177e4
LT		 990 rx_sens = (ha->fw_seriallink_options[1] &
991 (BIT_7 | BIT_6 | BIT_5 | BIT_4)) >> 4;
992 ha->fw_options[11] = (emphasis << 14) | (swing << 8);
993 if (IS_QLA2300(ha) || IS_QLA2312(ha) || IS_QLA6312(ha)) {
994 if (rx_sens == 0x0)
995 rx_sens = 0x3;
996 ha->fw_options[11] |= (tx_sens << 4) | rx_sens;
997 } else if (IS_QLA2322(ha) || IS_QLA6322(ha))
998 ha->fw_options[11] |= BIT_5 |
999 ((rx_sens & (BIT_1 | BIT_0)) << 2) |
1000 (tx_sens & (BIT_1 | BIT_0));
1001 }
1002
1003 /* FCP2 options. */
1004 /* Return command IOCBs without waiting for an ABTS to complete. */
1005 ha->fw_options[3] |= BIT_13;
1006
1007 /* LED scheme. */
1008 if (ha->flags.enable_led_scheme)
1009 ha->fw_options[2] |= BIT_12;
1010
48c02fde
AV		 1011 /* Detect ISP6312. */
1012 if (IS_QLA6312(ha))
1013 ha->fw_options[2] |= BIT_13;
1014
1da177e4
LT		 1015 /* Update firmware options. */
1016 qla2x00_set_fw_options(ha, ha->fw_options);
1017}
1018
0107109e
AV		 1019void
1020qla24xx_update_fw_options(scsi_qla_host_t *ha)
1021{
1022 int rval;
1023
1024 /* Update Serial Link options. */
f94097ed 1025 if ((le16_to_cpu(ha->fw_seriallink_options24[0]) & BIT_0) == 0)
0107109e
AV		 1026 return;
1027
f94097ed
AV		 1028 rval = qla2x00_set_serdes_params(ha,
1029 le16_to_cpu(ha->fw_seriallink_options24[1]),
1030 le16_to_cpu(ha->fw_seriallink_options24[2]),
1031 le16_to_cpu(ha->fw_seriallink_options24[3]));
0107109e
AV		 1032 if (rval != QLA_SUCCESS) {
1033 qla_printk(KERN_WARNING, ha,
1034 "Unable to update Serial Link options (%x).\n", rval);
1035 }
1036}
1037
abbd8870
AV		 1038void
1039qla2x00_config_rings(struct scsi_qla_host *ha)
1040{
3d71644c 1041 struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
abbd8870
AV		 1042
1043 /* Setup ring parameters in initialization control block. */
1044 ha->init_cb->request_q_outpointer = __constant_cpu_to_le16(0);
1045 ha->init_cb->response_q_inpointer = __constant_cpu_to_le16(0);
1046 ha->init_cb->request_q_length = cpu_to_le16(ha->request_q_length);
1047 ha->init_cb->response_q_length = cpu_to_le16(ha->response_q_length);
1048 ha->init_cb->request_q_address[0] = cpu_to_le32(LSD(ha->request_dma));
1049 ha->init_cb->request_q_address[1] = cpu_to_le32(MSD(ha->request_dma));
1050 ha->init_cb->response_q_address[0] = cpu_to_le32(LSD(ha->response_dma));
1051 ha->init_cb->response_q_address[1] = cpu_to_le32(MSD(ha->response_dma));
1052
1053 WRT_REG_WORD(ISP_REQ_Q_IN(ha, reg), 0);
1054 WRT_REG_WORD(ISP_REQ_Q_OUT(ha, reg), 0);
1055 WRT_REG_WORD(ISP_RSP_Q_IN(ha, reg), 0);
1056 WRT_REG_WORD(ISP_RSP_Q_OUT(ha, reg), 0);
1057 RD_REG_WORD(ISP_RSP_Q_OUT(ha, reg)); /* PCI Posting. */
1058}
1059
0107109e
AV		 1060void
1061qla24xx_config_rings(struct scsi_qla_host *ha)
1062{
1063 struct device_reg_24xx __iomem *reg = &ha->iobase->isp24;
1064 struct init_cb_24xx *icb;
1065
1066 /* Setup ring parameters in initialization control block. */
1067 icb = (struct init_cb_24xx *)ha->init_cb;
1068 icb->request_q_outpointer = __constant_cpu_to_le16(0);
1069 icb->response_q_inpointer = __constant_cpu_to_le16(0);
1070 icb->request_q_length = cpu_to_le16(ha->request_q_length);
1071 icb->response_q_length = cpu_to_le16(ha->response_q_length);
1072 icb->request_q_address[0] = cpu_to_le32(LSD(ha->request_dma));
1073 icb->request_q_address[1] = cpu_to_le32(MSD(ha->request_dma));
1074 icb->response_q_address[0] = cpu_to_le32(LSD(ha->response_dma));
1075 icb->response_q_address[1] = cpu_to_le32(MSD(ha->response_dma));
1076
1077 WRT_REG_DWORD(&reg->req_q_in, 0);
1078 WRT_REG_DWORD(&reg->req_q_out, 0);
1079 WRT_REG_DWORD(&reg->rsp_q_in, 0);
1080 WRT_REG_DWORD(&reg->rsp_q_out, 0);
1081 RD_REG_DWORD(&reg->rsp_q_out);
1082}
1083
1da177e4
LT		 1084/**
1085 * qla2x00_init_rings() - Initializes firmware.
1086 * @ha: HA context
1087 *
1088 * Beginning of request ring has initialization control block already built
1089 * by nvram config routine.
1090 *
1091 * Returns 0 on success.
1092 */
1093static int
1094qla2x00_init_rings(scsi_qla_host_t *ha)
1095{
1096 int rval;
1097 unsigned long flags = 0;
1098 int cnt;
1da177e4
LT		 1099
1100 spin_lock_irqsave(&ha->hardware_lock, flags);
1101
1102 /* Clear outstanding commands array. */
1103 for (cnt = 0; cnt < MAX_OUTSTANDING_COMMANDS; cnt++)
1104 ha->outstanding_cmds[cnt] = NULL;
1105
1106 ha->current_outstanding_cmd = 0;
1107
1108 /* Clear RSCN queue. */
1109 ha->rscn_in_ptr = 0;
1110 ha->rscn_out_ptr = 0;
1111
1112 /* Initialize firmware. */
1113 ha->request_ring_ptr = ha->request_ring;
1114 ha->req_ring_index = 0;
1115 ha->req_q_cnt = ha->request_q_length;
1116 ha->response_ring_ptr = ha->response_ring;
1117 ha->rsp_ring_index = 0;
1118
1da177e4
LT		 1119 /* Initialize response queue entries */
1120 qla2x00_init_response_q_entries(ha);
1121
abbd8870 1122 ha->isp_ops.config_rings(ha);
1da177e4
LT		 1123
1124 spin_unlock_irqrestore(&ha->hardware_lock, flags);
1125
1126 /* Update any ISP specific firmware options before initialization. */
abbd8870 1127 ha->isp_ops.update_fw_options(ha);
1da177e4
LT		 1128
1129 DEBUG(printk("scsi(%ld): Issue init firmware.\n", ha->host_no));
0107109e 1130 rval = qla2x00_init_firmware(ha, ha->init_cb_size);
1da177e4
LT		 1131 if (rval) {
1132 DEBUG2_3(printk("scsi(%ld): Init firmware **** FAILED ****.\n",
1133 ha->host_no));
1134 } else {
1135 DEBUG3(printk("scsi(%ld): Init firmware -- success.\n",
1136 ha->host_no));
1137 }
1138
1139 return (rval);
1140}
1141
1142/**
1143 * qla2x00_fw_ready() - Waits for firmware ready.
1144 * @ha: HA context
1145 *
1146 * Returns 0 on success.
1147 */
1148static int
1149qla2x00_fw_ready(scsi_qla_host_t *ha)
1150{
1151 int rval;
1152 unsigned long wtime, mtime;
1153 uint16_t min_wait; /* Minimum wait time if loop is down */
1154 uint16_t wait_time; /* Wait time if loop is coming ready */
1155 uint16_t fw_state;
1156
1157 rval = QLA_SUCCESS;
1158
1159 /* 20 seconds for loop down. */
fa2a1ce5 1160 min_wait = 20;
1da177e4
LT		 1161
1162 /*
1163 * Firmware should take at most one RATOV to login, plus 5 seconds for
1164 * our own processing.
1165 */
1166 if ((wait_time = (ha->retry_count*ha->login_timeout) + 5) < min_wait) {
1167 wait_time = min_wait;
1168 }
1169
1170 /* Min wait time if loop down */
1171 mtime = jiffies + (min_wait * HZ);
1172
1173 /* wait time before firmware ready */
1174 wtime = jiffies + (wait_time * HZ);
1175
1176 /* Wait for ISP to finish LIP */
1177 if (!ha->flags.init_done)
1178 qla_printk(KERN_INFO, ha, "Waiting for LIP to complete...\n");
1179
1180 DEBUG3(printk("scsi(%ld): Waiting for LIP to complete...\n",
1181 ha->host_no));
1182
1183 do {
1184 rval = qla2x00_get_firmware_state(ha, &fw_state);
1185 if (rval == QLA_SUCCESS) {
1186 if (fw_state < FSTATE_LOSS_OF_SYNC) {
1187 ha->device_flags &= ~DFLG_NO_CABLE;
1188 }
1189 if (fw_state == FSTATE_READY) {
1190 DEBUG(printk("scsi(%ld): F/W Ready - OK \n",
1191 ha->host_no));
1192
1193 qla2x00_get_retry_cnt(ha, &ha->retry_count,
1194 &ha->login_timeout, &ha->r_a_tov);
1195
1196 rval = QLA_SUCCESS;
1197 break;
1198 }
1199
1200 rval = QLA_FUNCTION_FAILED;
1201
1202 if (atomic_read(&ha->loop_down_timer) &&
7d7abc77 1203 fw_state != FSTATE_READY) {
1da177e4 1204 /* Loop down. Timeout on min_wait for states
fa2a1ce5
AV		 1205 * other than Wait for Login.
1206 */
1da177e4
LT		 1207 if (time_after_eq(jiffies, mtime)) {
1208 qla_printk(KERN_INFO, ha,
1209 "Cable is unplugged...\n");
1210
1211 ha->device_flags |= DFLG_NO_CABLE;
1212 break;
1213 }
1214 }
1215 } else {
1216 /* Mailbox cmd failed. Timeout on min_wait. */
1217 if (time_after_eq(jiffies, mtime))
1218 break;
1219 }
1220
1221 if (time_after_eq(jiffies, wtime))
1222 break;
1223
1224 /* Delay for a while */
1225 msleep(500);
1226
1227 DEBUG3(printk("scsi(%ld): fw_state=%x curr time=%lx.\n",
1228 ha->host_no, fw_state, jiffies));
1229 } while (1);
1230
1231 DEBUG(printk("scsi(%ld): fw_state=%x curr time=%lx.\n",
1232 ha->host_no, fw_state, jiffies));
1233
1234 if (rval) {
1235 DEBUG2_3(printk("scsi(%ld): Firmware ready **** FAILED ****.\n",
1236 ha->host_no));
1237 }
1238
1239 return (rval);
1240}
1241
1242/*
1243* qla2x00_configure_hba
1244* Setup adapter context.
1245*
1246* Input:
1247* ha = adapter state pointer.
1248*
1249* Returns:
1250* 0 = success
1251*
1252* Context:
1253* Kernel context.
1254*/
1255static int
1256qla2x00_configure_hba(scsi_qla_host_t *ha)
1257{
1258 int rval;
1259 uint16_t loop_id;
1260 uint16_t topo;
1261 uint8_t al_pa;
1262 uint8_t area;
1263 uint8_t domain;
1264 char connect_type[22];
1265
1266 /* Get host addresses. */
1267 rval = qla2x00_get_adapter_id(ha,
1268 &loop_id, &al_pa, &area, &domain, &topo);
1269 if (rval != QLA_SUCCESS) {
23443b1d 1270 if (LOOP_TRANSITION(ha) || atomic_read(&ha->loop_down_timer) ||
33135aa2
RA		 1271 (rval == QLA_COMMAND_ERROR && loop_id == 0x7)) {
1272 DEBUG2(printk("%s(%ld) Loop is in a transition state\n",
1273 __func__, ha->host_no));
1274 } else {
1275 qla_printk(KERN_WARNING, ha,
1276 "ERROR -- Unable to get host loop ID.\n");
1277 set_bit(ISP_ABORT_NEEDED, &ha->dpc_flags);
1278 }
1da177e4
LT		 1279 return (rval);
1280 }
1281
1282 if (topo == 4) {
1283 qla_printk(KERN_INFO, ha,
1284 "Cannot get topology - retrying.\n");
1285 return (QLA_FUNCTION_FAILED);
1286 }
1287
1288 ha->loop_id = loop_id;
1289
1290 /* initialize */
1291 ha->min_external_loopid = SNS_FIRST_LOOP_ID;
1292 ha->operating_mode = LOOP;
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));
1305 ha->current_topology = ISP_CFG_FL;
1306 strcpy(connect_type, "(FL_Port)");
1307 break;
1308
1309 case 2:
1310 DEBUG3(printk("scsi(%ld): HBA in N P2P topology.\n",
1311 ha->host_no));
1312 ha->operating_mode = P2P;
1313 ha->current_topology = ISP_CFG_N;
1314 strcpy(connect_type, "(N_Port-to-N_Port)");
1315 break;
1316
1317 case 3:
1318 DEBUG3(printk("scsi(%ld): HBA in F P2P topology.\n",
1319 ha->host_no));
1320 ha->operating_mode = P2P;
1321 ha->current_topology = ISP_CFG_F;
1322 strcpy(connect_type, "(F_Port)");
1323 break;
1324
1325 default:
1326 DEBUG3(printk("scsi(%ld): HBA in unknown topology %x. "
1327 "Using NL.\n",
1328 ha->host_no, topo));
1329 ha->current_topology = ISP_CFG_NL;
1330 strcpy(connect_type, "(Loop)");
1331 break;
1332 }
1333
1334 /* Save Host port and loop ID. */
1335 /* byte order - Big Endian */
1336 ha->d_id.b.domain = domain;
1337 ha->d_id.b.area = area;
1338 ha->d_id.b.al_pa = al_pa;
1339
1340 if (!ha->flags.init_done)
1341 qla_printk(KERN_INFO, ha,
1342 "Topology - %s, Host Loop address 0x%x\n",
1343 connect_type, ha->loop_id);
1344
1345 if (rval) {
1346 DEBUG2_3(printk("scsi(%ld): FAILED.\n", ha->host_no));
1347 } else {
1348 DEBUG3(printk("scsi(%ld): exiting normally.\n", ha->host_no));
1349 }
1350
1351 return(rval);
1352}
1353
1354/*
1355* NVRAM configuration for ISP 2xxx
1356*
1357* Input:
1358* ha = adapter block pointer.
1359*
1360* Output:
1361* initialization control block in response_ring
1362* host adapters parameters in host adapter block
1363*
1364* Returns:
1365* 0 = success.
1366*/
abbd8870 1367int
1da177e4
LT		 1368qla2x00_nvram_config(scsi_qla_host_t *ha)
1369{
0107109e
AV		 1370 int rval;
1371 uint8_t chksum = 0;
1372 uint16_t cnt;
1373 uint8_t *dptr1, *dptr2;
1374 init_cb_t *icb = ha->init_cb;
1375 nvram_t *nv = (nvram_t *)ha->request_ring;
1376 uint8_t *ptr = (uint8_t *)ha->request_ring;
3d71644c 1377 struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
1da177e4
LT		 1378
1379 rval = QLA_SUCCESS;
1380
1381 /* Determine NVRAM starting address. */
0107109e 1382 ha->nvram_size = sizeof(nvram_t);
1da177e4
LT		 1383 ha->nvram_base = 0;
1384 if (!IS_QLA2100(ha) && !IS_QLA2200(ha) && !IS_QLA2300(ha))
1385 if ((RD_REG_WORD(&reg->ctrl_status) >> 14) == 1)
1386 ha->nvram_base = 0x80;
1387
1388 /* Get NVRAM data and calculate checksum. */
0107109e
AV		 1389 ha->isp_ops.read_nvram(ha, ptr, ha->nvram_base, ha->nvram_size);
1390 for (cnt = 0, chksum = 0; cnt < ha->nvram_size; cnt++)
1391 chksum += *ptr++;
1da177e4
LT		 1392
1393 DEBUG5(printk("scsi(%ld): Contents of NVRAM\n", ha->host_no));
1394 DEBUG5(qla2x00_dump_buffer((uint8_t *)ha->request_ring,
0107109e 1395 ha->nvram_size));
1da177e4
LT		 1396
1397 /* Bad NVRAM data, set defaults parameters. */
1398 if (chksum || nv->id[0] != 'I' || nv->id[1] != 'S' ||
1399 nv->id[2] != 'P' || nv->id[3] != ' ' || nv->nvram_version < 1) {
1400 /* Reset NVRAM data. */
1401 qla_printk(KERN_WARNING, ha, "Inconsistent NVRAM detected: "
1402 "checksum=0x%x id=%c version=0x%x.\n", chksum, nv->id[0],
1403 nv->nvram_version);
1404 qla_printk(KERN_WARNING, ha, "Falling back to functioning (yet "
1405 "invalid -- WWPN) defaults.\n");
1406
1407 /*
1408 * Set default initialization control block.
1409 */
0107109e 1410 memset(nv, 0, ha->nvram_size);
1da177e4
LT		 1411 nv->parameter_block_version = ICB_VERSION;
1412
1413 if (IS_QLA23XX(ha)) {
1414 nv->firmware_options[0] = BIT_2 | BIT_1;
1415 nv->firmware_options[1] = BIT_7 | BIT_5;
1416 nv->add_firmware_options[0] = BIT_5;
1417 nv->add_firmware_options[1] = BIT_5 | BIT_4;
1418 nv->frame_payload_size = __constant_cpu_to_le16(2048);
1419 nv->special_options[1] = BIT_7;
1420 } else if (IS_QLA2200(ha)) {
1421 nv->firmware_options[0] = BIT_2 | BIT_1;
1422 nv->firmware_options[1] = BIT_7 | BIT_5;
1423 nv->add_firmware_options[0] = BIT_5;
1424 nv->add_firmware_options[1] = BIT_5 | BIT_4;
1425 nv->frame_payload_size = __constant_cpu_to_le16(1024);
1426 } else if (IS_QLA2100(ha)) {
1427 nv->firmware_options[0] = BIT_3 | BIT_1;
1428 nv->firmware_options[1] = BIT_5;
1429 nv->frame_payload_size = __constant_cpu_to_le16(1024);
1430 }
1431
1432 nv->max_iocb_allocation = __constant_cpu_to_le16(256);
1433 nv->execution_throttle = __constant_cpu_to_le16(16);
1434 nv->retry_count = 8;
1435 nv->retry_delay = 1;
1436
1437 nv->port_name[0] = 33;
1438 nv->port_name[3] = 224;
1439 nv->port_name[4] = 139;
1440
1441 nv->login_timeout = 4;
1442
1443 /*
1444 * Set default host adapter parameters
1445 */
1446 nv->host_p[1] = BIT_2;
1447 nv->reset_delay = 5;
1448 nv->port_down_retry_count = 8;
1449 nv->max_luns_per_target = __constant_cpu_to_le16(8);
1450 nv->link_down_timeout = 60;
1451
1452 rval = 1;
1453 }
1454
1455#if defined(CONFIG_IA64_GENERIC) || defined(CONFIG_IA64_SGI_SN2)
1456 /*
1457 * The SN2 does not provide BIOS emulation which means you can't change
1458 * potentially bogus BIOS settings. Force the use of default settings
1459 * for link rate and frame size. Hope that the rest of the settings
1460 * are valid.
1461 */
1462 if (ia64_platform_is("sn2")) {
1463 nv->frame_payload_size = __constant_cpu_to_le16(2048);
1464 if (IS_QLA23XX(ha))
1465 nv->special_options[1] = BIT_7;
1466 }
1467#endif
1468
1469 /* Reset Initialization control block */
0107109e 1470 memset(icb, 0, ha->init_cb_size);
1da177e4
LT		 1471
1472 /*
1473 * Setup driver NVRAM options.
1474 */
1475 nv->firmware_options[0] |= (BIT_6 | BIT_1);
1476 nv->firmware_options[0] &= ~(BIT_5 | BIT_4);
1477 nv->firmware_options[1] |= (BIT_5 | BIT_0);
1478 nv->firmware_options[1] &= ~BIT_4;
1479
1480 if (IS_QLA23XX(ha)) {
1481 nv->firmware_options[0] |= BIT_2;
1482 nv->firmware_options[0] &= ~BIT_3;
0107109e 1483 nv->add_firmware_options[1] |= BIT_5 | BIT_4;
1da177e4
LT		 1484
1485 if (IS_QLA2300(ha)) {
1486 if (ha->fb_rev == FPM_2310) {
1487 strcpy(ha->model_number, "QLA2310");
1488 } else {
1489 strcpy(ha->model_number, "QLA2300");
1490 }
1491 } else {
1492 if (rval == 0 &&
1493 memcmp(nv->model_number, BINZERO,
1494 sizeof(nv->model_number)) != 0) {
1495 char *st, *en;
1496
1497 strncpy(ha->model_number, nv->model_number,
1498 sizeof(nv->model_number));
1499 st = en = ha->model_number;
1500 en += sizeof(nv->model_number) - 1;
1501 while (en > st) {
1502 if (*en != 0x20 && *en != 0x00)
1503 break;
1504 *en-- = '\0';
1505 }
1506 } else {
1507 uint16_t index;
1508
1509 index = (ha->pdev->subsystem_device & 0xff);
1510 if (index < QLA_MODEL_NAMES) {
1511 strcpy(ha->model_number,
1328962e 1512 qla2x00_model_name[index * 2]);
1da177e4 1513 ha->model_desc =
1328962e 1514 qla2x00_model_name[index * 2 + 1];
1da177e4
LT		 1515 } else {
1516 strcpy(ha->model_number, "QLA23xx");
1517 }
1518 }
1519 }
1520 } else if (IS_QLA2200(ha)) {
1521 nv->firmware_options[0] |= BIT_2;
1522 /*
1523 * 'Point-to-point preferred, else loop' is not a safe
1524 * connection mode setting.
1525 */
1526 if ((nv->add_firmware_options[0] & (BIT_6 | BIT_5 | BIT_4)) ==
1527 (BIT_5 | BIT_4)) {
1528 /* Force 'loop preferred, else point-to-point'. */
1529 nv->add_firmware_options[0] &= ~(BIT_6 | BIT_5 | BIT_4);
1530 nv->add_firmware_options[0] |= BIT_5;
1531 }
1532 strcpy(ha->model_number, "QLA22xx");
1533 } else /*if (IS_QLA2100(ha))*/ {
1534 strcpy(ha->model_number, "QLA2100");
1535 }
1536
1537 /*
1538 * Copy over NVRAM RISC parameter block to initialization control block.
1539 */
1540 dptr1 = (uint8_t *)icb;
1541 dptr2 = (uint8_t *)&nv->parameter_block_version;
1542 cnt = (uint8_t *)&icb->request_q_outpointer - (uint8_t *)&icb->version;
1543 while (cnt--)
1544 *dptr1++ = *dptr2++;
1545
1546 /* Copy 2nd half. */
1547 dptr1 = (uint8_t *)icb->add_firmware_options;
1548 cnt = (uint8_t *)icb->reserved_3 - (uint8_t *)icb->add_firmware_options;
1549 while (cnt--)
1550 *dptr1++ = *dptr2++;
1551
5341e868
AV		 1552 /* Use alternate WWN? */
1553 if (nv->host_p[1] & BIT_7) {
1554 memcpy(icb->node_name, nv->alternate_node_name, WWN_SIZE);
1555 memcpy(icb->port_name, nv->alternate_port_name, WWN_SIZE);
1556 }
1557
1da177e4
LT		 1558 /* Prepare nodename */
1559 if ((icb->firmware_options[1] & BIT_6) == 0) {
1560 /*
1561 * Firmware will apply the following mask if the nodename was
1562 * not provided.
1563 */
1564 memcpy(icb->node_name, icb->port_name, WWN_SIZE);
1565 icb->node_name[0] &= 0xF0;
1566 }
1567
1568 /*
1569 * Set host adapter parameters.
1570 */
0181944f 1571 if (nv->host_p[0] & BIT_7)
11010fec 1572 ql2xextended_error_logging = 1;
1da177e4
LT		 1573 ha->flags.disable_risc_code_load = ((nv->host_p[0] & BIT_4) ? 1 : 0);
1574 /* Always load RISC code on non ISP2[12]00 chips. */
1575 if (!IS_QLA2100(ha) && !IS_QLA2200(ha))
1576 ha->flags.disable_risc_code_load = 0;
1577 ha->flags.enable_lip_reset = ((nv->host_p[1] & BIT_1) ? 1 : 0);
1578 ha->flags.enable_lip_full_login = ((nv->host_p[1] & BIT_2) ? 1 : 0);
1579 ha->flags.enable_target_reset = ((nv->host_p[1] & BIT_3) ? 1 : 0);
06c22bd1 1580 ha->flags.enable_led_scheme = (nv->special_options[1] & BIT_4) ? 1 : 0;
d4c760c2 1581 ha->flags.disable_serdes = 0;
1da177e4
LT		 1582
1583 ha->operating_mode =
1584 (icb->add_firmware_options[0] & (BIT_6 | BIT_5 | BIT_4)) >> 4;
1585
1586 memcpy(ha->fw_seriallink_options, nv->seriallink_options,
1587 sizeof(ha->fw_seriallink_options));
1588
1589 /* save HBA serial number */
1590 ha->serial0 = icb->port_name[5];
1591 ha->serial1 = icb->port_name[6];
1592 ha->serial2 = icb->port_name[7];
3d71644c
AV		 1593 ha->node_name = icb->node_name;
1594 ha->port_name = icb->port_name;
1da177e4
LT		 1595
1596 icb->execution_throttle = __constant_cpu_to_le16(0xFFFF);
1597
1598 ha->retry_count = nv->retry_count;
1599
1600 /* Set minimum login_timeout to 4 seconds. */
1601 if (nv->login_timeout < ql2xlogintimeout)
1602 nv->login_timeout = ql2xlogintimeout;
1603 if (nv->login_timeout < 4)
1604 nv->login_timeout = 4;
1605 ha->login_timeout = nv->login_timeout;
1606 icb->login_timeout = nv->login_timeout;
1607
1608 /* Set minimum RATOV to 200 tenths of a second. */
1609 ha->r_a_tov = 200;
1610
1da177e4
LT		 1611 ha->loop_reset_delay = nv->reset_delay;
1612
1da177e4
LT		 1613 /* Link Down Timeout = 0:
1614 *
1615 * When Port Down timer expires we will start returning
1616 * I/O's to OS with "DID_NO_CONNECT".
1617 *
1618 * Link Down Timeout != 0:
1619 *
1620 * The driver waits for the link to come up after link down
1621 * before returning I/Os to OS with "DID_NO_CONNECT".
fa2a1ce5 1622 */
1da177e4
LT		 1623 if (nv->link_down_timeout == 0) {
1624 ha->loop_down_abort_time =
354d6b21 1625 (LOOP_DOWN_TIME - LOOP_DOWN_TIMEOUT);
1da177e4
LT		 1626 } else {
1627 ha->link_down_timeout = nv->link_down_timeout;
1628 ha->loop_down_abort_time =
1629 (LOOP_DOWN_TIME - ha->link_down_timeout);
fa2a1ce5 1630 }
1da177e4 1631
1da177e4
LT		 1632 /*
1633 * Need enough time to try and get the port back.
1634 */
1635 ha->port_down_retry_count = nv->port_down_retry_count;
1636 if (qlport_down_retry)
1637 ha->port_down_retry_count = qlport_down_retry;
1638 /* Set login_retry_count */
1639 ha->login_retry_count = nv->retry_count;
1640 if (ha->port_down_retry_count == nv->port_down_retry_count &&
1641 ha->port_down_retry_count > 3)
1642 ha->login_retry_count = ha->port_down_retry_count;
1643 else if (ha->port_down_retry_count > (int)ha->login_retry_count)
1644 ha->login_retry_count = ha->port_down_retry_count;
1645 if (ql2xloginretrycount)
1646 ha->login_retry_count = ql2xloginretrycount;
1647
1da177e4
LT		 1648 icb->lun_enables = __constant_cpu_to_le16(0);
1649 icb->command_resource_count = 0;
1650 icb->immediate_notify_resource_count = 0;
1651 icb->timeout = __constant_cpu_to_le16(0);
1652
1653 if (IS_QLA2100(ha) || IS_QLA2200(ha)) {
1654 /* Enable RIO */
1655 icb->firmware_options[0] &= ~BIT_3;
1656 icb->add_firmware_options[0] &=
1657 ~(BIT_3 | BIT_2 | BIT_1 | BIT_0);
1658 icb->add_firmware_options[0] |= BIT_2;
1659 icb->response_accumulation_timer = 3;
1660 icb->interrupt_delay_timer = 5;
1661
1662 ha->flags.process_response_queue = 1;
1663 } else {
4fdfefe5
AV		 1664 /* Enable ZIO. */
1665 if (!ha->flags.init_done) {
1666 ha->zio_mode = icb->add_firmware_options[0] &
1667 (BIT_3 | BIT_2 | BIT_1 | BIT_0);
1668 ha->zio_timer = icb->interrupt_delay_timer ?
1669 icb->interrupt_delay_timer: 2;
1670 }
1da177e4
LT		 1671 icb->add_firmware_options[0] &=
1672 ~(BIT_3 | BIT_2 | BIT_1 | BIT_0);
4fdfefe5
AV		 1673 ha->flags.process_response_queue = 0;
1674 if (ha->zio_mode != QLA_ZIO_DISABLED) {
4a59f71d
AV		 1675 ha->zio_mode = QLA_ZIO_MODE_6;
1676
4fdfefe5
AV		 1677 DEBUG2(printk("scsi(%ld): ZIO mode %d enabled; timer "
1678 "delay (%d us).\n", ha->host_no, ha->zio_mode,
1679 ha->zio_timer * 100));
1da177e4 1680 qla_printk(KERN_INFO, ha,
4fdfefe5
AV		 1681 "ZIO mode %d enabled; timer delay (%d us).\n",
1682 ha->zio_mode, ha->zio_timer * 100);
1da177e4 1683
4fdfefe5
AV		 1684 icb->add_firmware_options[0] |= (uint8_t)ha->zio_mode;
1685 icb->interrupt_delay_timer = (uint8_t)ha->zio_timer;
1da177e4
LT		 1686 ha->flags.process_response_queue = 1;
1687 }
1688 }
1689
1690 if (rval) {
1691 DEBUG2_3(printk(KERN_WARNING
1692 "scsi(%ld): NVRAM configuration failed!\n", ha->host_no));
1693 }
1694 return (rval);
1695}
1696
19a7b4ae
JSEC		 1697static void
1698qla2x00_rport_del(void *data)
1699{
1700 fc_port_t *fcport = data;
d97994dc
AV		 1701 struct fc_rport *rport;
1702 unsigned long flags;
1703
1704 spin_lock_irqsave(&fcport->rport_lock, flags);
1705 rport = fcport->drport;
1706 fcport->drport = NULL;
1707 spin_unlock_irqrestore(&fcport->rport_lock, flags);
1708 if (rport)
1709 fc_remote_port_delete(rport);
19a7b4ae 1710
19a7b4ae
JSEC		 1711}
1712
1da177e4
LT		 1713/**
1714 * qla2x00_alloc_fcport() - Allocate a generic fcport.
1715 * @ha: HA context
1716 * @flags: allocation flags
1717 *
1718 * Returns a pointer to the allocated fcport, or NULL, if none available.
1719 */
413975a0 1720static fc_port_t *
c53033f6 1721qla2x00_alloc_fcport(scsi_qla_host_t *ha, gfp_t flags)
1da177e4
LT		 1722{
1723 fc_port_t *fcport;
1724
1725 fcport = kmalloc(sizeof(fc_port_t), flags);
1726 if (fcport == NULL)
1727 return (fcport);
1728
1729 /* Setup fcport template structure. */
1730 memset(fcport, 0, sizeof (fc_port_t));
1731 fcport->ha = ha;
1732 fcport->port_type = FCT_UNKNOWN;
1733 fcport->loop_id = FC_NO_LOOP_ID;
1da177e4
LT		 1734 atomic_set(&fcport->state, FCS_UNCONFIGURED);
1735 fcport->flags = FCF_RLC_SUPPORT;
ad3e0eda 1736 fcport->supported_classes = FC_COS_UNSPECIFIED;
d97994dc 1737 spin_lock_init(&fcport->rport_lock);
1da177e4
LT		 1738
1739 return (fcport);
1740}
1741
1742/*
1743 * qla2x00_configure_loop
1744 * Updates Fibre Channel Device Database with what is actually on loop.
1745 *
1746 * Input:
1747 * ha = adapter block pointer.
1748 *
1749 * Returns:
1750 * 0 = success.
1751 * 1 = error.
1752 * 2 = database was full and device was not configured.
1753 */
1754static int
fa2a1ce5 1755qla2x00_configure_loop(scsi_qla_host_t *ha)
1da177e4
LT		 1756{
1757 int rval;
1758 unsigned long flags, save_flags;
1759
1760 rval = QLA_SUCCESS;
1761
1762 /* Get Initiator ID */
1763 if (test_bit(LOCAL_LOOP_UPDATE, &ha->dpc_flags)) {
1764 rval = qla2x00_configure_hba(ha);
1765 if (rval != QLA_SUCCESS) {
1766 DEBUG(printk("scsi(%ld): Unable to configure HBA.\n",
1767 ha->host_no));
1768 return (rval);
1769 }
1770 }
1771
1772 save_flags = flags = ha->dpc_flags;
1773 DEBUG(printk("scsi(%ld): Configure loop -- dpc flags =0x%lx\n",
1774 ha->host_no, flags));
1775
1776 /*
1777 * If we have both an RSCN and PORT UPDATE pending then handle them
1778 * both at the same time.
1779 */
1780 clear_bit(LOCAL_LOOP_UPDATE, &ha->dpc_flags);
1781 clear_bit(RSCN_UPDATE, &ha->dpc_flags);
1da177e4
LT		 1782
1783 /* Determine what we need to do */
1784 if (ha->current_topology == ISP_CFG_FL &&
1785 (test_bit(LOCAL_LOOP_UPDATE, &flags))) {
1786
1787 ha->flags.rscn_queue_overflow = 1;
1788 set_bit(RSCN_UPDATE, &flags);
1789
1790 } else if (ha->current_topology == ISP_CFG_F &&
1791 (test_bit(LOCAL_LOOP_UPDATE, &flags))) {
1792
1793 ha->flags.rscn_queue_overflow = 1;
1794 set_bit(RSCN_UPDATE, &flags);
1795 clear_bit(LOCAL_LOOP_UPDATE, &flags);
21333b48
AV		 1796
1797 } else if (ha->current_topology == ISP_CFG_N) {
1798 clear_bit(RSCN_UPDATE, &flags);
1da177e4
LT		 1799
1800 } else if (!ha->flags.online ||
1801 (test_bit(ABORT_ISP_ACTIVE, &flags))) {
1802
1803 ha->flags.rscn_queue_overflow = 1;
1804 set_bit(RSCN_UPDATE, &flags);
1805 set_bit(LOCAL_LOOP_UPDATE, &flags);
1806 }
1807
1808 if (test_bit(LOCAL_LOOP_UPDATE, &flags)) {
1809 if (test_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags)) {
1810 rval = QLA_FUNCTION_FAILED;
1811 } else {
1812 rval = qla2x00_configure_local_loop(ha);
1813 }
1814 }
1815
1816 if (rval == QLA_SUCCESS && test_bit(RSCN_UPDATE, &flags)) {
23443b1d 1817 if (LOOP_TRANSITION(ha)) {
1da177e4
LT		 1818 rval = QLA_FUNCTION_FAILED;
1819 } else {
1820 rval = qla2x00_configure_fabric(ha);
1821 }
1822 }
1823
1824 if (rval == QLA_SUCCESS) {
1825 if (atomic_read(&ha->loop_down_timer) ||
1826 test_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags)) {
1827 rval = QLA_FUNCTION_FAILED;
1828 } else {
1da177e4
LT		 1829 atomic_set(&ha->loop_state, LOOP_READY);
1830
1831 DEBUG(printk("scsi(%ld): LOOP READY\n", ha->host_no));
1832 }
1833 }
1834
1835 if (rval) {
1836 DEBUG2_3(printk("%s(%ld): *** FAILED ***\n",
1837 __func__, ha->host_no));
1838 } else {
1839 DEBUG3(printk("%s: exiting normally\n", __func__));
1840 }
1841
1842 /* Restore state if a resync event occured during processing */
1843 if (test_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags)) {
1844 if (test_bit(LOCAL_LOOP_UPDATE, &save_flags))
1845 set_bit(LOCAL_LOOP_UPDATE, &ha->dpc_flags);
1846 if (test_bit(RSCN_UPDATE, &save_flags))
1847 set_bit(RSCN_UPDATE, &ha->dpc_flags);
1848 }
1849
1850 return (rval);
1851}
1852
1853
1854
1855/*
1856 * qla2x00_configure_local_loop
1857 * Updates Fibre Channel Device Database with local loop devices.
1858 *
1859 * Input:
1860 * ha = adapter block pointer.
1861 *
1862 * Returns:
1863 * 0 = success.
1864 */
1865static int
fa2a1ce5 1866qla2x00_configure_local_loop(scsi_qla_host_t *ha)
1da177e4
LT		 1867{
1868 int rval, rval2;
1869 int found_devs;
1870 int found;
1871 fc_port_t *fcport, *new_fcport;
1872
1873 uint16_t index;
1874 uint16_t entries;
1875 char *id_iter;
1876 uint16_t loop_id;
1877 uint8_t domain, area, al_pa;
1878
1879 found_devs = 0;
1880 new_fcport = NULL;
1881 entries = MAX_FIBRE_DEVICES;
1882
1883 DEBUG3(printk("scsi(%ld): Getting FCAL position map\n", ha->host_no));
1884 DEBUG3(qla2x00_get_fcal_position_map(ha, NULL));
1885
1886 /* Get list of logged in devices. */
1887 memset(ha->gid_list, 0, GID_LIST_SIZE);
1888 rval = qla2x00_get_id_list(ha, ha->gid_list, ha->gid_list_dma,
1889 &entries);
1890 if (rval != QLA_SUCCESS)
1891 goto cleanup_allocation;
1892
1893 DEBUG3(printk("scsi(%ld): Entries in ID list (%d)\n",
1894 ha->host_no, entries));
1895 DEBUG3(qla2x00_dump_buffer((uint8_t *)ha->gid_list,
1896 entries * sizeof(struct gid_list_info)));
1897
1898 /* Allocate temporary fcport for any new fcports discovered. */
1899 new_fcport = qla2x00_alloc_fcport(ha, GFP_KERNEL);
1900 if (new_fcport == NULL) {
1901 rval = QLA_MEMORY_ALLOC_FAILED;
1902 goto cleanup_allocation;
1903 }
1904 new_fcport->flags &= ~FCF_FABRIC_DEVICE;
1905
1906 /*
1907 * Mark local devices that were present with FCF_DEVICE_LOST for now.
1908 */
1909 list_for_each_entry(fcport, &ha->fcports, list) {
1910 if (atomic_read(&fcport->state) == FCS_ONLINE &&
1911 fcport->port_type != FCT_BROADCAST &&
1912 (fcport->flags & FCF_FABRIC_DEVICE) == 0) {
1913
1914 DEBUG(printk("scsi(%ld): Marking port lost, "
1915 "loop_id=0x%04x\n",
1916 ha->host_no, fcport->loop_id));
1917
1918 atomic_set(&fcport->state, FCS_DEVICE_LOST);
1919 fcport->flags &= ~FCF_FARP_DONE;
1920 }
1921 }
1922
1923 /* Add devices to port list. */
1924 id_iter = (char *)ha->gid_list;
1925 for (index = 0; index < entries; index++) {
1926 domain = ((struct gid_list_info *)id_iter)->domain;
1927 area = ((struct gid_list_info *)id_iter)->area;
1928 al_pa = ((struct gid_list_info *)id_iter)->al_pa;
abbd8870 1929 if (IS_QLA2100(ha) || IS_QLA2200(ha))
1da177e4
LT		 1930 loop_id = (uint16_t)
1931 ((struct gid_list_info *)id_iter)->loop_id_2100;
abbd8870 1932 else
1da177e4
LT		 1933 loop_id = le16_to_cpu(
1934 ((struct gid_list_info *)id_iter)->loop_id);
abbd8870 1935 id_iter += ha->gid_list_info_size;
1da177e4
LT		 1936
1937 /* Bypass reserved domain fields. */
1938 if ((domain & 0xf0) == 0xf0)
1939 continue;
1940
1941 /* Bypass if not same domain and area of adapter. */
f7d289f6
AV		 1942 if (area && domain &&
1943 (area != ha->d_id.b.area || domain != ha->d_id.b.domain))
1da177e4
LT		 1944 continue;
1945
1946 /* Bypass invalid local loop ID. */
1947 if (loop_id > LAST_LOCAL_LOOP_ID)
1948 continue;
1949
1950 /* Fill in member data. */
1951 new_fcport->d_id.b.domain = domain;
1952 new_fcport->d_id.b.area = area;
1953 new_fcport->d_id.b.al_pa = al_pa;
1954 new_fcport->loop_id = loop_id;
1955 rval2 = qla2x00_get_port_database(ha, new_fcport, 0);
1956 if (rval2 != QLA_SUCCESS) {
1957 DEBUG2(printk("scsi(%ld): Failed to retrieve fcport "
1958 "information -- get_port_database=%x, "
1959 "loop_id=0x%04x\n",
1960 ha->host_no, rval2, new_fcport->loop_id));
c9d02acf
AV		 1961 DEBUG2(printk("scsi(%ld): Scheduling resync...\n",
1962 ha->host_no));
1963 set_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags);
1da177e4
LT		 1964 continue;
1965 }
1966
1967 /* Check for matching device in port list. */
1968 found = 0;
1969 fcport = NULL;
1970 list_for_each_entry(fcport, &ha->fcports, list) {
1971 if (memcmp(new_fcport->port_name, fcport->port_name,
1972 WWN_SIZE))
1973 continue;
1974
1975 fcport->flags &= ~(FCF_FABRIC_DEVICE |
1976 FCF_PERSISTENT_BOUND);
1977 fcport->loop_id = new_fcport->loop_id;
1978 fcport->port_type = new_fcport->port_type;
1979 fcport->d_id.b24 = new_fcport->d_id.b24;
1980 memcpy(fcport->node_name, new_fcport->node_name,
1981 WWN_SIZE);
1982
1983 found++;
1984 break;
1985 }
1986
1987 if (!found) {
1988 /* New device, add to fcports list. */
1989 new_fcport->flags &= ~FCF_PERSISTENT_BOUND;
1990 list_add_tail(&new_fcport->list, &ha->fcports);
1991
1992 /* Allocate a new replacement fcport. */
1993 fcport = new_fcport;
1994 new_fcport = qla2x00_alloc_fcport(ha, GFP_KERNEL);
1995 if (new_fcport == NULL) {
1996 rval = QLA_MEMORY_ALLOC_FAILED;
1997 goto cleanup_allocation;
1998 }
1999 new_fcport->flags &= ~FCF_FABRIC_DEVICE;
2000 }
2001
d8b45213
AV		 2002 /* Base iIDMA settings on HBA port speed. */
2003 switch (ha->link_data_rate) {
2004 case PORT_SPEED_1GB:
2005 fcport->fp_speed = cpu_to_be16(BIT_15);
2006 break;
2007 case PORT_SPEED_2GB:
2008 fcport->fp_speed = cpu_to_be16(BIT_14);
2009 break;
2010 case PORT_SPEED_4GB:
2011 fcport->fp_speed = cpu_to_be16(BIT_13);
2012 break;
2013 }
2014
1da177e4
LT		 2015 qla2x00_update_fcport(ha, fcport);
2016
2017 found_devs++;
2018 }
2019
2020cleanup_allocation:
c9475cb0 2021 kfree(new_fcport);
1da177e4
LT		 2022
2023 if (rval != QLA_SUCCESS) {
2024 DEBUG2(printk("scsi(%ld): Configure local loop error exit: "
2025 "rval=%x\n", ha->host_no, rval));
2026 }
2027
2028 if (found_devs) {
2029 ha->device_flags |= DFLG_LOCAL_DEVICES;
2030 ha->device_flags &= ~DFLG_RETRY_LOCAL_DEVICES;
2031 }
2032
2033 return (rval);
2034}
2035
2036static void
fa2a1ce5 2037qla2x00_probe_for_all_luns(scsi_qla_host_t *ha)
1da177e4
LT		 2038{
2039 fc_port_t *fcport;
2040
d97994dc 2041 qla2x00_mark_all_devices_lost(ha, 0);
1da177e4
LT		 2042 list_for_each_entry(fcport, &ha->fcports, list) {
2043 if (fcport->port_type != FCT_TARGET)
2044 continue;
2045
fa2a1ce5 2046 qla2x00_update_fcport(ha, fcport);
1da177e4
LT		 2047 }
2048}
2049
d8b45213
AV		 2050static void
2051qla2x00_iidma_fcport(scsi_qla_host_t *ha, fc_port_t *fcport)
2052{
2053#define LS_UNKNOWN 2
2054 static char *link_speeds[5] = { "1", "2", "?", "4" };
2055 int rval;
2056 uint16_t port_speed, mb[6];
2057
2058 if (!IS_QLA24XX(ha))
2059 return;
2060
2061 switch (be16_to_cpu(fcport->fp_speed)) {
2062 case BIT_15:
2063 port_speed = PORT_SPEED_1GB;
2064 break;
2065 case BIT_14:
2066 port_speed = PORT_SPEED_2GB;
2067 break;
2068 case BIT_13:
2069 port_speed = PORT_SPEED_4GB;
2070 break;
2071 default:
2072 DEBUG2(printk("scsi(%ld): %02x%02x%02x%02x%02x%02x%02x%02x -- "
2073 "unsupported FM port operating speed (%04x).\n",
2074 ha->host_no, fcport->port_name[0], fcport->port_name[1],
2075 fcport->port_name[2], fcport->port_name[3],
2076 fcport->port_name[4], fcport->port_name[5],
2077 fcport->port_name[6], fcport->port_name[7],
2078 be16_to_cpu(fcport->fp_speed)));
2079 port_speed = PORT_SPEED_UNKNOWN;
2080 break;
2081 }
2082 if (port_speed == PORT_SPEED_UNKNOWN)
2083 return;
2084
2085 rval = qla2x00_set_idma_speed(ha, fcport->loop_id, port_speed, mb);
2086 if (rval != QLA_SUCCESS) {
2087 DEBUG2(printk("scsi(%ld): Unable to adjust iIDMA "
2088 "%02x%02x%02x%02x%02x%02x%02x%02x -- %04x %x %04x %04x.\n",
2089 ha->host_no, fcport->port_name[0], fcport->port_name[1],
2090 fcport->port_name[2], fcport->port_name[3],
2091 fcport->port_name[4], fcport->port_name[5],
2092 fcport->port_name[6], fcport->port_name[7], rval,
2093 port_speed, mb[0], mb[1]));
2094 } else {
2095 DEBUG2(qla_printk(KERN_INFO, ha,
2096 "iIDMA adjusted to %s GB/s on "
2097 "%02x%02x%02x%02x%02x%02x%02x%02x.\n",
2098 link_speeds[port_speed], fcport->port_name[0],
2099 fcport->port_name[1], fcport->port_name[2],
2100 fcport->port_name[3], fcport->port_name[4],
2101 fcport->port_name[5], fcport->port_name[6],
2102 fcport->port_name[7]));
2103 }
2104}
2105
1da177e4
LT		 2106/*
2107 * qla2x00_update_fcport
2108 * Updates device on list.
2109 *
2110 * Input:
2111 * ha = adapter block pointer.
2112 * fcport = port structure pointer.
2113 *
2114 * Return:
2115 * 0 - Success
2116 * BIT_0 - error
2117 *
2118 * Context:
2119 * Kernel context.
2120 */
052c40c8 2121void
1da177e4
LT		 2122qla2x00_update_fcport(scsi_qla_host_t *ha, fc_port_t *fcport)
2123{
1da177e4
LT		 2124 fcport->ha = ha;
2125 fcport->login_retry = 0;
2126 fcport->port_login_retry_count = ha->port_down_retry_count *
2127 PORT_RETRY_TIME;
2128 atomic_set(&fcport->port_down_timer, ha->port_down_retry_count *
2129 PORT_RETRY_TIME);
2130 fcport->flags &= ~FCF_LOGIN_NEEDED;
2131
d8b45213
AV		 2132 qla2x00_iidma_fcport(ha, fcport);
2133
1da177e4 2134 atomic_set(&fcport->state, FCS_ONLINE);
bdf79621 2135
d19044c3 2136 qla2x00_reg_remote_port(ha, fcport);
1da177e4
LT		 2137}
2138
8482e118
AV		 2139void
2140qla2x00_reg_remote_port(scsi_qla_host_t *ha, fc_port_t *fcport)
2141{
2142 struct fc_rport_identifiers rport_ids;
bdf79621 2143 struct fc_rport *rport;
d97994dc 2144 unsigned long flags;
8482e118 2145
d97994dc
AV		 2146 if (fcport->drport)
2147 qla2x00_rport_del(fcport);
2148 if (fcport->rport)
2149 return;
8482e118 2150
f8b02a85
AV		 2151 rport_ids.node_name = wwn_to_u64(fcport->node_name);
2152 rport_ids.port_name = wwn_to_u64(fcport->port_name);
8482e118
AV		 2153 rport_ids.port_id = fcport->d_id.b.domain << 16 |
2154 fcport->d_id.b.area << 8 | fcport->d_id.b.al_pa;
77d74143 2155 rport_ids.roles = FC_RPORT_ROLE_UNKNOWN;
d97994dc 2156 rport = fc_remote_port_add(ha->host, 0, &rport_ids);
77d74143
AV		 2157 if (!rport) {
2158 qla_printk(KERN_WARNING, ha,
2159 "Unable to allocate fc remote port!\n");
2160 return;
2161 }
d97994dc
AV		 2162 spin_lock_irqsave(&fcport->rport_lock, flags);
2163 fcport->rport = rport;
19a7b4ae 2164 *((fc_port_t **)rport->dd_data) = fcport;
d97994dc
AV		 2165 spin_unlock_irqrestore(&fcport->rport_lock, flags);
2166
ad3e0eda 2167 rport->supported_classes = fcport->supported_classes;
77d74143 2168
8482e118
AV		 2169 rport_ids.roles = FC_RPORT_ROLE_UNKNOWN;
2170 if (fcport->port_type == FCT_INITIATOR)
2171 rport_ids.roles |= FC_RPORT_ROLE_FCP_INITIATOR;
2172 if (fcport->port_type == FCT_TARGET)
2173 rport_ids.roles |= FC_RPORT_ROLE_FCP_TARGET;
77d74143 2174 fc_remote_port_rolechg(rport, rport_ids.roles);
1da177e4 2175
cc4731f5
AV		 2176 if (rport->scsi_target_id != -1 &&
2177 rport->scsi_target_id < ha->host->max_id)
bdf79621 2178 fcport->os_target_id = rport->scsi_target_id;
1da177e4
LT		 2179}
2180
1da177e4
LT		 2181/*
2182 * qla2x00_configure_fabric
2183 * Setup SNS devices with loop ID's.
2184 *
2185 * Input:
2186 * ha = adapter block pointer.
2187 *
2188 * Returns:
2189 * 0 = success.
2190 * BIT_0 = error
2191 */
2192static int
2193qla2x00_configure_fabric(scsi_qla_host_t *ha)
2194{
2195 int rval, rval2;
2196 fc_port_t *fcport, *fcptemp;
2197 uint16_t next_loopid;
2198 uint16_t mb[MAILBOX_REGISTER_COUNT];
0107109e 2199 uint16_t loop_id;
1da177e4
LT		 2200 LIST_HEAD(new_fcports);
2201
2202 /* If FL port exists, then SNS is present */
044cc6c8 2203 if (IS_QLA24XX(ha) || IS_QLA54XX(ha))
0107109e
AV		 2204 loop_id = NPH_F_PORT;
2205 else
2206 loop_id = SNS_FL_PORT;
90991c85 2207 rval = qla2x00_get_port_name(ha, loop_id, ha->fabric_node_name, 1);
1da177e4
LT		 2208 if (rval != QLA_SUCCESS) {
2209 DEBUG2(printk("scsi(%ld): MBC_GET_PORT_NAME Failed, No FL "
2210 "Port\n", ha->host_no));
2211
2212 ha->device_flags &= ~SWITCH_FOUND;
2213 return (QLA_SUCCESS);
2214 }
90991c85 2215 ha->device_flags |= SWITCH_FOUND;
1da177e4
LT		 2216
2217 /* Mark devices that need re-synchronization. */
2218 rval2 = qla2x00_device_resync(ha);
2219 if (rval2 == QLA_RSCNS_HANDLED) {
2220 /* No point doing the scan, just continue. */
2221 return (QLA_SUCCESS);
2222 }
2223 do {
cca5335c
AV		 2224 /* FDMI support. */
2225 if (ql2xfdmienable &&
2226 test_and_clear_bit(REGISTER_FDMI_NEEDED, &ha->dpc_flags))
2227 qla2x00_fdmi_register(ha);
2228
1da177e4 2229 /* Ensure we are logged into the SNS. */
044cc6c8 2230 if (IS_QLA24XX(ha) || IS_QLA54XX(ha))
0107109e
AV		 2231 loop_id = NPH_SNS;
2232 else
2233 loop_id = SIMPLE_NAME_SERVER;
2234 ha->isp_ops.fabric_login(ha, loop_id, 0xff, 0xff,
abbd8870 2235 0xfc, mb, BIT_1 | BIT_0);
1da177e4
LT		 2236 if (mb[0] != MBS_COMMAND_COMPLETE) {
2237 DEBUG2(qla_printk(KERN_INFO, ha,
2238 "Failed SNS login: loop_id=%x mb[0]=%x mb[1]=%x "
0107109e 2239 "mb[2]=%x mb[6]=%x mb[7]=%x\n", loop_id,
1da177e4
LT		 2240 mb[0], mb[1], mb[2], mb[6], mb[7]));
2241 return (QLA_SUCCESS);
2242 }
2243
2244 if (test_and_clear_bit(REGISTER_FC4_NEEDED, &ha->dpc_flags)) {
2245 if (qla2x00_rft_id(ha)) {
2246 /* EMPTY */
2247 DEBUG2(printk("scsi(%ld): Register FC-4 "
2248 "TYPE failed.\n", ha->host_no));
2249 }
2250 if (qla2x00_rff_id(ha)) {
2251 /* EMPTY */
2252 DEBUG2(printk("scsi(%ld): Register FC-4 "
2253 "Features failed.\n", ha->host_no));
2254 }
2255 if (qla2x00_rnn_id(ha)) {
2256 /* EMPTY */
2257 DEBUG2(printk("scsi(%ld): Register Node Name "
2258 "failed.\n", ha->host_no));
2259 } else if (qla2x00_rsnn_nn(ha)) {
2260 /* EMPTY */
2261 DEBUG2(printk("scsi(%ld): Register Symbolic "
2262 "Node Name failed.\n", ha->host_no));
2263 }
2264 }
2265
2266 rval = qla2x00_find_all_fabric_devs(ha, &new_fcports);
2267 if (rval != QLA_SUCCESS)
2268 break;
2269
2270 /*
2271 * Logout all previous fabric devices marked lost, except
2272 * tape devices.
2273 */
2274 list_for_each_entry(fcport, &ha->fcports, list) {
2275 if (test_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags))
2276 break;
2277
2278 if ((fcport->flags & FCF_FABRIC_DEVICE) == 0)
2279 continue;
2280
2281 if (atomic_read(&fcport->state) == FCS_DEVICE_LOST) {
2282 qla2x00_mark_device_lost(ha, fcport,
d97994dc 2283 ql2xplogiabsentdevice, 0);
1da177e4
LT		 2284 if (fcport->loop_id != FC_NO_LOOP_ID &&
2285 (fcport->flags & FCF_TAPE_PRESENT) == 0 &&
2286 fcport->port_type != FCT_INITIATOR &&
2287 fcport->port_type != FCT_BROADCAST) {
abbd8870 2288 ha->isp_ops.fabric_logout(ha,
1c7c6357
AV		 2289 fcport->loop_id,
2290 fcport->d_id.b.domain,
2291 fcport->d_id.b.area,
2292 fcport->d_id.b.al_pa);
1da177e4
LT		 2293 fcport->loop_id = FC_NO_LOOP_ID;
2294 }
2295 }
2296 }
2297
2298 /* Starting free loop ID. */
2299 next_loopid = ha->min_external_loopid;
2300
2301 /*
2302 * Scan through our port list and login entries that need to be
2303 * logged in.
2304 */
2305 list_for_each_entry(fcport, &ha->fcports, list) {
2306 if (atomic_read(&ha->loop_down_timer) ||
2307 test_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags))
2308 break;
2309
2310 if ((fcport->flags & FCF_FABRIC_DEVICE) == 0 ||
2311 (fcport->flags & FCF_LOGIN_NEEDED) == 0)
2312 continue;
2313
2314 if (fcport->loop_id == FC_NO_LOOP_ID) {
2315 fcport->loop_id = next_loopid;
2316 rval = qla2x00_find_new_loop_id(ha, fcport);
2317 if (rval != QLA_SUCCESS) {
2318 /* Ran out of IDs to use */
2319 break;
2320 }
2321 }
1da177e4
LT		 2322 /* Login and update database */
2323 qla2x00_fabric_dev_login(ha, fcport, &next_loopid);
2324 }
2325
2326 /* Exit if out of loop IDs. */
2327 if (rval != QLA_SUCCESS) {
2328 break;
2329 }
2330
2331 /*
2332 * Login and add the new devices to our port list.
2333 */
2334 list_for_each_entry_safe(fcport, fcptemp, &new_fcports, list) {
2335 if (atomic_read(&ha->loop_down_timer) ||
2336 test_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags))
2337 break;
2338
2339 /* Find a new loop ID to use. */
2340 fcport->loop_id = next_loopid;
2341 rval = qla2x00_find_new_loop_id(ha, fcport);
2342 if (rval != QLA_SUCCESS) {
2343 /* Ran out of IDs to use */
2344 break;
2345 }
2346
1da177e4 2347 /* Remove device from the new list and add it to DB */
179e0917 2348 list_move_tail(&fcport->list, &ha->fcports);
bdf79621
AV		 2349
2350 /* Login and update database */
2351 qla2x00_fabric_dev_login(ha, fcport, &next_loopid);
1da177e4
LT		 2352 }
2353 } while (0);
2354
2355 /* Free all new device structures not processed. */
2356 list_for_each_entry_safe(fcport, fcptemp, &new_fcports, list) {
2357 list_del(&fcport->list);
2358 kfree(fcport);
2359 }
2360
2361 if (rval) {
2362 DEBUG2(printk("scsi(%ld): Configure fabric error exit: "
2363 "rval=%d\n", ha->host_no, rval));
2364 }
2365
2366 return (rval);
2367}
2368
2369
2370/*
2371 * qla2x00_find_all_fabric_devs
2372 *
2373 * Input:
2374 * ha = adapter block pointer.
2375 * dev = database device entry pointer.
2376 *
2377 * Returns:
2378 * 0 = success.
2379 *
2380 * Context:
2381 * Kernel context.
2382 */
2383static int
2384qla2x00_find_all_fabric_devs(scsi_qla_host_t *ha, struct list_head *new_fcports)
2385{
2386 int rval;
2387 uint16_t loop_id;
2388 fc_port_t *fcport, *new_fcport, *fcptemp;
2389 int found;
2390
2391 sw_info_t *swl;
2392 int swl_idx;
2393 int first_dev, last_dev;
2394 port_id_t wrap, nxt_d_id;
2395
2396 rval = QLA_SUCCESS;
2397
2398 /* Try GID_PT to get device list, else GAN. */
2399 swl = kmalloc(sizeof(sw_info_t) * MAX_FIBRE_DEVICES, GFP_ATOMIC);
2400 if (swl == NULL) {
2401 /*EMPTY*/
2402 DEBUG2(printk("scsi(%ld): GID_PT allocations failed, fallback "
2403 "on GA_NXT\n", ha->host_no));
2404 } else {
2405 memset(swl, 0, sizeof(sw_info_t) * MAX_FIBRE_DEVICES);
2406 if (qla2x00_gid_pt(ha, swl) != QLA_SUCCESS) {
2407 kfree(swl);
2408 swl = NULL;
2409 } else if (qla2x00_gpn_id(ha, swl) != QLA_SUCCESS) {
2410 kfree(swl);
2411 swl = NULL;
2412 } else if (qla2x00_gnn_id(ha, swl) != QLA_SUCCESS) {
2413 kfree(swl);
2414 swl = NULL;
d8b45213
AV		 2415 } else if (qla2x00_gfpn_id(ha, swl) == QLA_SUCCESS) {
2416 qla2x00_gpsc(ha, swl);
1da177e4
LT		 2417 }
2418 }
2419 swl_idx = 0;
2420
2421 /* Allocate temporary fcport for any new fcports discovered. */
2422 new_fcport = qla2x00_alloc_fcport(ha, GFP_KERNEL);
2423 if (new_fcport == NULL) {
c9475cb0 2424 kfree(swl);
1da177e4
LT		 2425 return (QLA_MEMORY_ALLOC_FAILED);
2426 }
2427 new_fcport->flags |= (FCF_FABRIC_DEVICE | FCF_LOGIN_NEEDED);
2428
2429 /* Set start port ID scan at adapter ID. */
2430 first_dev = 1;
2431 last_dev = 0;
2432
2433 /* Starting free loop ID. */
2434 loop_id = ha->min_external_loopid;
1da177e4 2435 for (; loop_id <= ha->last_loop_id; loop_id++) {
3d71644c 2436 if (qla2x00_is_reserved_id(ha, loop_id))
1da177e4
LT		 2437 continue;
2438
23443b1d 2439 if (atomic_read(&ha->loop_down_timer) || LOOP_TRANSITION(ha))
1da177e4
LT		 2440 break;
2441
2442 if (swl != NULL) {
2443 if (last_dev) {
2444 wrap.b24 = new_fcport->d_id.b24;
2445 } else {
2446 new_fcport->d_id.b24 = swl[swl_idx].d_id.b24;
2447 memcpy(new_fcport->node_name,
2448 swl[swl_idx].node_name, WWN_SIZE);
2449 memcpy(new_fcport->port_name,
2450 swl[swl_idx].port_name, WWN_SIZE);
d8b45213
AV		 2451 memcpy(new_fcport->fabric_port_name,
2452 swl[swl_idx].fabric_port_name, WWN_SIZE);
2453 new_fcport->fp_speed = swl[swl_idx].fp_speed;
1da177e4
LT		 2454
2455 if (swl[swl_idx].d_id.b.rsvd_1 != 0) {
2456 last_dev = 1;
2457 }
2458 swl_idx++;
2459 }
2460 } else {
2461 /* Send GA_NXT to the switch */
2462 rval = qla2x00_ga_nxt(ha, new_fcport);
2463 if (rval != QLA_SUCCESS) {
2464 qla_printk(KERN_WARNING, ha,
2465 "SNS scan failed -- assuming zero-entry "
2466 "result...\n");
2467 list_for_each_entry_safe(fcport, fcptemp,
2468 new_fcports, list) {
2469 list_del(&fcport->list);
2470 kfree(fcport);
2471 }
2472 rval = QLA_SUCCESS;
2473 break;
2474 }
2475 }
2476
2477 /* If wrap on switch device list, exit. */
2478 if (first_dev) {
2479 wrap.b24 = new_fcport->d_id.b24;
2480 first_dev = 0;
2481 } else if (new_fcport->d_id.b24 == wrap.b24) {
2482 DEBUG2(printk("scsi(%ld): device wrap (%02x%02x%02x)\n",
2483 ha->host_no, new_fcport->d_id.b.domain,
2484 new_fcport->d_id.b.area, new_fcport->d_id.b.al_pa));
2485 break;
2486 }
2487
2488 /* Bypass if host adapter. */
2489 if (new_fcport->d_id.b24 == ha->d_id.b24)
2490 continue;
2491
f7d289f6
AV		 2492 /* Bypass if same domain and area of adapter. */
2493 if (((new_fcport->d_id.b24 & 0xffff00) ==
2494 (ha->d_id.b24 & 0xffff00)) && ha->current_topology ==
2495 ISP_CFG_FL)
2496 continue;
2497
1da177e4
LT		 2498 /* Bypass reserved domain fields. */
2499 if ((new_fcport->d_id.b.domain & 0xf0) == 0xf0)
2500 continue;
2501
2502 /* Locate matching device in database. */
2503 found = 0;
2504 list_for_each_entry(fcport, &ha->fcports, list) {
2505 if (memcmp(new_fcport->port_name, fcport->port_name,
2506 WWN_SIZE))
2507 continue;
2508
2509 found++;
2510
d8b45213
AV		 2511 /* Update port state. */
2512 memcpy(fcport->fabric_port_name,
2513 new_fcport->fabric_port_name, WWN_SIZE);
2514 fcport->fp_speed = new_fcport->fp_speed;
2515
1da177e4
LT		 2516 /*
2517 * If address the same and state FCS_ONLINE, nothing
2518 * changed.
2519 */
2520 if (fcport->d_id.b24 == new_fcport->d_id.b24 &&
2521 atomic_read(&fcport->state) == FCS_ONLINE) {
2522 break;
2523 }
2524
2525 /*
2526 * If device was not a fabric device before.
2527 */
2528 if ((fcport->flags & FCF_FABRIC_DEVICE) == 0) {
2529 fcport->d_id.b24 = new_fcport->d_id.b24;
2530 fcport->loop_id = FC_NO_LOOP_ID;
2531 fcport->flags |= (FCF_FABRIC_DEVICE |
2532 FCF_LOGIN_NEEDED);
2533 fcport->flags &= ~FCF_PERSISTENT_BOUND;
2534 break;
2535 }
2536
2537 /*
2538 * Port ID changed or device was marked to be updated;
2539 * Log it out if still logged in and mark it for
2540 * relogin later.
2541 */
2542 fcport->d_id.b24 = new_fcport->d_id.b24;
2543 fcport->flags |= FCF_LOGIN_NEEDED;
2544 if (fcport->loop_id != FC_NO_LOOP_ID &&
2545 (fcport->flags & FCF_TAPE_PRESENT) == 0 &&
2546 fcport->port_type != FCT_INITIATOR &&
2547 fcport->port_type != FCT_BROADCAST) {
1c7c6357
AV		 2548 ha->isp_ops.fabric_logout(ha, fcport->loop_id,
2549 fcport->d_id.b.domain, fcport->d_id.b.area,
2550 fcport->d_id.b.al_pa);
1da177e4
LT		 2551 fcport->loop_id = FC_NO_LOOP_ID;
2552 }
2553
2554 break;
2555 }
2556
2557 if (found)
2558 continue;
2559
2560 /* If device was not in our fcports list, then add it. */
2561 list_add_tail(&new_fcport->list, new_fcports);
2562
2563 /* Allocate a new replacement fcport. */
2564 nxt_d_id.b24 = new_fcport->d_id.b24;
2565 new_fcport = qla2x00_alloc_fcport(ha, GFP_KERNEL);
2566 if (new_fcport == NULL) {
c9475cb0 2567 kfree(swl);
1da177e4
LT		 2568 return (QLA_MEMORY_ALLOC_FAILED);
2569 }
2570 new_fcport->flags |= (FCF_FABRIC_DEVICE | FCF_LOGIN_NEEDED);
2571 new_fcport->d_id.b24 = nxt_d_id.b24;
2572 }
2573
c9475cb0
JJ		 2574 kfree(swl);
2575 kfree(new_fcport);
1da177e4
LT		 2576
2577 if (!list_empty(new_fcports))
2578 ha->device_flags |= DFLG_FABRIC_DEVICES;
2579
2580 return (rval);
2581}
2582
2583/*
2584 * qla2x00_find_new_loop_id
2585 * Scan through our port list and find a new usable loop ID.
2586 *
2587 * Input:
2588 * ha: adapter state pointer.
2589 * dev: port structure pointer.
2590 *
2591 * Returns:
2592 * qla2x00 local function return status code.
2593 *
2594 * Context:
2595 * Kernel context.
2596 */
413975a0 2597static int
1da177e4
LT		 2598qla2x00_find_new_loop_id(scsi_qla_host_t *ha, fc_port_t *dev)
2599{
2600 int rval;
2601 int found;
2602 fc_port_t *fcport;
2603 uint16_t first_loop_id;
2604
2605 rval = QLA_SUCCESS;
2606
2607 /* Save starting loop ID. */
2608 first_loop_id = dev->loop_id;
2609
2610 for (;;) {
2611 /* Skip loop ID if already used by adapter. */
2612 if (dev->loop_id == ha->loop_id) {
2613 dev->loop_id++;
2614 }
2615
2616 /* Skip reserved loop IDs. */
3d71644c 2617 while (qla2x00_is_reserved_id(ha, dev->loop_id)) {
1da177e4
LT		 2618 dev->loop_id++;
2619 }
2620
2621 /* Reset loop ID if passed the end. */
2622 if (dev->loop_id > ha->last_loop_id) {
2623 /* first loop ID. */
2624 dev->loop_id = ha->min_external_loopid;
2625 }
2626
2627 /* Check for loop ID being already in use. */
2628 found = 0;
2629 fcport = NULL;
2630 list_for_each_entry(fcport, &ha->fcports, list) {
2631 if (fcport->loop_id == dev->loop_id && fcport != dev) {
2632 /* ID possibly in use */
2633 found++;
2634 break;
2635 }
2636 }
2637
2638 /* If not in use then it is free to use. */
2639 if (!found) {
2640 break;
2641 }
2642
2643 /* ID in use. Try next value. */
2644 dev->loop_id++;
2645
2646 /* If wrap around. No free ID to use. */
2647 if (dev->loop_id == first_loop_id) {
2648 dev->loop_id = FC_NO_LOOP_ID;
2649 rval = QLA_FUNCTION_FAILED;
2650 break;
2651 }
2652 }
2653
2654 return (rval);
2655}
2656
2657/*
2658 * qla2x00_device_resync
2659 * Marks devices in the database that needs resynchronization.
2660 *
2661 * Input:
2662 * ha = adapter block pointer.
2663 *
2664 * Context:
2665 * Kernel context.
2666 */
2667static int
fa2a1ce5 2668qla2x00_device_resync(scsi_qla_host_t *ha)
1da177e4
LT		 2669{
2670 int rval;
1da177e4
LT		 2671 uint32_t mask;
2672 fc_port_t *fcport;
2673 uint32_t rscn_entry;
2674 uint8_t rscn_out_iter;
2675 uint8_t format;
2676 port_id_t d_id;
2677
2678 rval = QLA_RSCNS_HANDLED;
2679
2680 while (ha->rscn_out_ptr != ha->rscn_in_ptr ||
2681 ha->flags.rscn_queue_overflow) {
2682
2683 rscn_entry = ha->rscn_queue[ha->rscn_out_ptr];
2684 format = MSB(MSW(rscn_entry));
2685 d_id.b.domain = LSB(MSW(rscn_entry));
2686 d_id.b.area = MSB(LSW(rscn_entry));
2687 d_id.b.al_pa = LSB(LSW(rscn_entry));
2688
2689 DEBUG(printk("scsi(%ld): RSCN queue entry[%d] = "
2690 "[%02x/%02x%02x%02x].\n",
2691 ha->host_no, ha->rscn_out_ptr, format, d_id.b.domain,
2692 d_id.b.area, d_id.b.al_pa));
2693
2694 ha->rscn_out_ptr++;
2695 if (ha->rscn_out_ptr == MAX_RSCN_COUNT)
2696 ha->rscn_out_ptr = 0;
2697
2698 /* Skip duplicate entries. */
2699 for (rscn_out_iter = ha->rscn_out_ptr;
2700 !ha->flags.rscn_queue_overflow &&
2701 rscn_out_iter != ha->rscn_in_ptr;
2702 rscn_out_iter = (rscn_out_iter ==
2703 (MAX_RSCN_COUNT - 1)) ? 0: rscn_out_iter + 1) {
2704
2705 if (rscn_entry != ha->rscn_queue[rscn_out_iter])
2706 break;
2707
2708 DEBUG(printk("scsi(%ld): Skipping duplicate RSCN queue "
2709 "entry found at [%d].\n", ha->host_no,
2710 rscn_out_iter));
2711
2712 ha->rscn_out_ptr = rscn_out_iter;
2713 }
2714
2715 /* Queue overflow, set switch default case. */
2716 if (ha->flags.rscn_queue_overflow) {
2717 DEBUG(printk("scsi(%ld): device_resync: rscn "
2718 "overflow.\n", ha->host_no));
2719
2720 format = 3;
2721 ha->flags.rscn_queue_overflow = 0;
2722 }
2723
2724 switch (format) {
2725 case 0:
1da177e4
LT		 2726 mask = 0xffffff;
2727 break;
2728 case 1:
2729 mask = 0xffff00;
2730 break;
2731 case 2:
2732 mask = 0xff0000;
2733 break;
2734 default:
2735 mask = 0x0;
2736 d_id.b24 = 0;
2737 ha->rscn_out_ptr = ha->rscn_in_ptr;
2738 break;
2739 }
2740
2741 rval = QLA_SUCCESS;
2742
1da177e4
LT		 2743 list_for_each_entry(fcport, &ha->fcports, list) {
2744 if ((fcport->flags & FCF_FABRIC_DEVICE) == 0 ||
2745 (fcport->d_id.b24 & mask) != d_id.b24 ||
2746 fcport->port_type == FCT_BROADCAST)
2747 continue;
2748
2749 if (atomic_read(&fcport->state) == FCS_ONLINE) {
2750 if (format != 3 ||
2751 fcport->port_type != FCT_INITIATOR) {
d97994dc
AV		 2752 qla2x00_mark_device_lost(ha, fcport,
2753 0, 0);
1da177e4
LT		 2754 }
2755 }
2756 fcport->flags &= ~FCF_FARP_DONE;
2757 }
2758 }
2759 return (rval);
2760}
2761
2762/*
2763 * qla2x00_fabric_dev_login
2764 * Login fabric target device and update FC port database.
2765 *
2766 * Input:
2767 * ha: adapter state pointer.
2768 * fcport: port structure list pointer.
2769 * next_loopid: contains value of a new loop ID that can be used
2770 * by the next login attempt.
2771 *
2772 * Returns:
2773 * qla2x00 local function return status code.
2774 *
2775 * Context:
2776 * Kernel context.
2777 */
2778static int
2779qla2x00_fabric_dev_login(scsi_qla_host_t *ha, fc_port_t *fcport,
2780 uint16_t *next_loopid)
2781{
2782 int rval;
2783 int retry;
0107109e 2784 uint8_t opts;
1da177e4
LT		 2785
2786 rval = QLA_SUCCESS;
2787 retry = 0;
2788
2789 rval = qla2x00_fabric_login(ha, fcport, next_loopid);
2790 if (rval == QLA_SUCCESS) {
0107109e
AV		 2791 /* Send an ADISC to tape devices.*/
2792 opts = 0;
2793 if (fcport->flags & FCF_TAPE_PRESENT)
2794 opts |= BIT_1;
2795 rval = qla2x00_get_port_database(ha, fcport, opts);
1da177e4 2796 if (rval != QLA_SUCCESS) {
1c7c6357
AV		 2797 ha->isp_ops.fabric_logout(ha, fcport->loop_id,
2798 fcport->d_id.b.domain, fcport->d_id.b.area,
2799 fcport->d_id.b.al_pa);
d97994dc 2800 qla2x00_mark_device_lost(ha, fcport, 1, 0);
1da177e4
LT		 2801 } else {
2802 qla2x00_update_fcport(ha, fcport);
2803 }
2804 }
2805
2806 return (rval);
2807}
2808
2809/*
2810 * qla2x00_fabric_login
2811 * Issue fabric login command.
2812 *
2813 * Input:
2814 * ha = adapter block pointer.
2815 * device = pointer to FC device type structure.
2816 *
2817 * Returns:
2818 * 0 - Login successfully
2819 * 1 - Login failed
2820 * 2 - Initiator device
2821 * 3 - Fatal error
2822 */
2823int
2824qla2x00_fabric_login(scsi_qla_host_t *ha, fc_port_t *fcport,
2825 uint16_t *next_loopid)
2826{
2827 int rval;
2828 int retry;
2829 uint16_t tmp_loopid;
2830 uint16_t mb[MAILBOX_REGISTER_COUNT];
2831
2832 retry = 0;
2833 tmp_loopid = 0;
2834
2835 for (;;) {
2836 DEBUG(printk("scsi(%ld): Trying Fabric Login w/loop id 0x%04x "
2837 "for port %02x%02x%02x.\n",
2838 ha->host_no, fcport->loop_id, fcport->d_id.b.domain,
2839 fcport->d_id.b.area, fcport->d_id.b.al_pa));
2840
2841 /* Login fcport on switch. */
abbd8870 2842 ha->isp_ops.fabric_login(ha, fcport->loop_id,
1da177e4
LT		 2843 fcport->d_id.b.domain, fcport->d_id.b.area,
2844 fcport->d_id.b.al_pa, mb, BIT_0);
2845 if (mb[0] == MBS_PORT_ID_USED) {
2846 /*
2847 * Device has another loop ID. The firmware team
0107109e
AV		 2848 * recommends the driver perform an implicit login with
2849 * the specified ID again. The ID we just used is save
2850 * here so we return with an ID that can be tried by
2851 * the next login.
1da177e4
LT		 2852 */
2853 retry++;
2854 tmp_loopid = fcport->loop_id;
2855 fcport->loop_id = mb[1];
2856
2857 DEBUG(printk("Fabric Login: port in use - next "
2858 "loop id=0x%04x, port Id=%02x%02x%02x.\n",
2859 fcport->loop_id, fcport->d_id.b.domain,
2860 fcport->d_id.b.area, fcport->d_id.b.al_pa));
2861
2862 } else if (mb[0] == MBS_COMMAND_COMPLETE) {
2863 /*
2864 * Login succeeded.
2865 */
2866 if (retry) {
2867 /* A retry occurred before. */
2868 *next_loopid = tmp_loopid;
2869 } else {
2870 /*
2871 * No retry occurred before. Just increment the
2872 * ID value for next login.
2873 */
2874 *next_loopid = (fcport->loop_id + 1);
2875 }
2876
2877 if (mb[1] & BIT_0) {
2878 fcport->port_type = FCT_INITIATOR;
2879 } else {
2880 fcport->port_type = FCT_TARGET;
2881 if (mb[1] & BIT_1) {
2882 fcport->flags |= FCF_TAPE_PRESENT;
2883 }
2884 }
2885
ad3e0eda
AV		 2886 if (mb[10] & BIT_0)
2887 fcport->supported_classes |= FC_COS_CLASS2;
2888 if (mb[10] & BIT_1)
2889 fcport->supported_classes |= FC_COS_CLASS3;
2890
1da177e4
LT		 2891 rval = QLA_SUCCESS;
2892 break;
2893 } else if (mb[0] == MBS_LOOP_ID_USED) {
2894 /*
2895 * Loop ID already used, try next loop ID.
2896 */
2897 fcport->loop_id++;
2898 rval = qla2x00_find_new_loop_id(ha, fcport);
2899 if (rval != QLA_SUCCESS) {
2900 /* Ran out of loop IDs to use */
2901 break;
2902 }
2903 } else if (mb[0] == MBS_COMMAND_ERROR) {
2904 /*
2905 * Firmware possibly timed out during login. If NO
2906 * retries are left to do then the device is declared
2907 * dead.
2908 */
2909 *next_loopid = fcport->loop_id;
1c7c6357
AV		 2910 ha->isp_ops.fabric_logout(ha, fcport->loop_id,
2911 fcport->d_id.b.domain, fcport->d_id.b.area,
2912 fcport->d_id.b.al_pa);
d97994dc 2913 qla2x00_mark_device_lost(ha, fcport, 1, 0);
1da177e4
LT		 2914
2915 rval = 1;
2916 break;
2917 } else {
2918 /*
2919 * unrecoverable / not handled error
2920 */
2921 DEBUG2(printk("%s(%ld): failed=%x port_id=%02x%02x%02x "
fa2a1ce5
AV		 2922 "loop_id=%x jiffies=%lx.\n",
2923 __func__, ha->host_no, mb[0],
1da177e4
LT		 2924 fcport->d_id.b.domain, fcport->d_id.b.area,
2925 fcport->d_id.b.al_pa, fcport->loop_id, jiffies));
2926
2927 *next_loopid = fcport->loop_id;
1c7c6357
AV		 2928 ha->isp_ops.fabric_logout(ha, fcport->loop_id,
2929 fcport->d_id.b.domain, fcport->d_id.b.area,
2930 fcport->d_id.b.al_pa);
1da177e4 2931 fcport->loop_id = FC_NO_LOOP_ID;
0eedfcf0 2932 fcport->login_retry = 0;
1da177e4
LT		 2933
2934 rval = 3;
2935 break;
2936 }
2937 }
2938
2939 return (rval);
2940}
2941
2942/*
2943 * qla2x00_local_device_login
2944 * Issue local device login command.
2945 *
2946 * Input:
2947 * ha = adapter block pointer.
2948 * loop_id = loop id of device to login to.
2949 *
2950 * Returns (Where's the #define!!!!):
2951 * 0 - Login successfully
2952 * 1 - Login failed
2953 * 3 - Fatal error
2954 */
2955int
9a52a57c 2956qla2x00_local_device_login(scsi_qla_host_t *ha, fc_port_t *fcport)
1da177e4
LT		 2957{
2958 int rval;
2959 uint16_t mb[MAILBOX_REGISTER_COUNT];
2960
2961 memset(mb, 0, sizeof(mb));
9a52a57c 2962 rval = qla2x00_login_local_device(ha, fcport, mb, BIT_0);
1da177e4
LT		 2963 if (rval == QLA_SUCCESS) {
2964 /* Interrogate mailbox registers for any errors */
2965 if (mb[0] == MBS_COMMAND_ERROR)
2966 rval = 1;
2967 else if (mb[0] == MBS_COMMAND_PARAMETER_ERROR)
2968 /* device not in PCB table */
2969 rval = 3;
2970 }
2971
2972 return (rval);
2973}
2974
2975/*
2976 * qla2x00_loop_resync
2977 * Resync with fibre channel devices.
2978 *
2979 * Input:
2980 * ha = adapter block pointer.
2981 *
2982 * Returns:
2983 * 0 = success
2984 */
2985int
fa2a1ce5 2986qla2x00_loop_resync(scsi_qla_host_t *ha)
1da177e4
LT		 2987{
2988 int rval;
2989 uint32_t wait_time;
2990
2991 rval = QLA_SUCCESS;
2992
2993 atomic_set(&ha->loop_state, LOOP_UPDATE);
1da177e4
LT		 2994 clear_bit(ISP_ABORT_RETRY, &ha->dpc_flags);
2995 if (ha->flags.online) {
2996 if (!(rval = qla2x00_fw_ready(ha))) {
2997 /* Wait at most MAX_TARGET RSCNs for a stable link. */
2998 wait_time = 256;
2999 do {
1da177e4
LT		 3000 atomic_set(&ha->loop_state, LOOP_UPDATE);
3001
0107109e
AV		 3002 /* Issue a marker after FW becomes ready. */
3003 qla2x00_marker(ha, 0, 0, MK_SYNC_ALL);
3004 ha->marker_needed = 0;
1da177e4
LT		 3005
3006 /* Remap devices on Loop. */
3007 clear_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags);
3008
3009 qla2x00_configure_loop(ha);
3010 wait_time--;
3011 } while (!atomic_read(&ha->loop_down_timer) &&
3012 !(test_bit(ISP_ABORT_NEEDED, &ha->dpc_flags)) &&
3013 wait_time &&
3014 (test_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags)));
3015 }
1da177e4
LT		 3016 }
3017
3018 if (test_bit(ISP_ABORT_NEEDED, &ha->dpc_flags)) {
3019 return (QLA_FUNCTION_FAILED);
3020 }
3021
3022 if (rval) {
3023 DEBUG2_3(printk("%s(): **** FAILED ****\n", __func__));
3024 }
3025
3026 return (rval);
3027}
3028
1da177e4
LT		 3029void
3030qla2x00_rescan_fcports(scsi_qla_host_t *ha)
3031{
3032 int rescan_done;
3033 fc_port_t *fcport;
3034
3035 rescan_done = 0;
3036 list_for_each_entry(fcport, &ha->fcports, list) {
3037 if ((fcport->flags & FCF_RESCAN_NEEDED) == 0)
3038 continue;
3039
3040 qla2x00_update_fcport(ha, fcport);
3041 fcport->flags &= ~FCF_RESCAN_NEEDED;
3042
3043 rescan_done = 1;
3044 }
fa2a1ce5 3045 qla2x00_probe_for_all_luns(ha);
1da177e4
LT		 3046}
3047
d97994dc
AV		 3048void
3049qla2x00_update_fcports(scsi_qla_host_t *ha)
3050{
3051 fc_port_t *fcport;
3052
3053 /* Go with deferred removal of rport references. */
3054 list_for_each_entry(fcport, &ha->fcports, list)
3055 if (fcport->drport)
3056 qla2x00_rport_del(fcport);
3057}
3058
1da177e4
LT		 3059/*
3060* qla2x00_abort_isp
3061* Resets ISP and aborts all outstanding commands.
3062*
3063* Input:
3064* ha = adapter block pointer.
3065*
3066* Returns:
3067* 0 = success
3068*/
3069int
3070qla2x00_abort_isp(scsi_qla_host_t *ha)
3071{
476e8978 3072 int rval;
1da177e4
LT		 3073 unsigned long flags = 0;
3074 uint16_t cnt;
3075 srb_t *sp;
3076 uint8_t status = 0;
3077
3078 if (ha->flags.online) {
3079 ha->flags.online = 0;
3080 clear_bit(ISP_ABORT_NEEDED, &ha->dpc_flags);
1da177e4
LT		 3081
3082 qla_printk(KERN_INFO, ha,
3083 "Performing ISP error recovery - ha= %p.\n", ha);
abbd8870 3084 ha->isp_ops.reset_chip(ha);
1da177e4
LT		 3085
3086 atomic_set(&ha->loop_down_timer, LOOP_DOWN_TIME);
3087 if (atomic_read(&ha->loop_state) != LOOP_DOWN) {
3088 atomic_set(&ha->loop_state, LOOP_DOWN);
d97994dc 3089 qla2x00_mark_all_devices_lost(ha, 0);
1da177e4
LT		 3090 } else {
3091 if (!atomic_read(&ha->loop_down_timer))
3092 atomic_set(&ha->loop_down_timer,
3093 LOOP_DOWN_TIME);
3094 }
3095
3096 spin_lock_irqsave(&ha->hardware_lock, flags);
3097 /* Requeue all commands in outstanding command list. */
3098 for (cnt = 1; cnt < MAX_OUTSTANDING_COMMANDS; cnt++) {
3099 sp = ha->outstanding_cmds[cnt];
3100 if (sp) {
3101 ha->outstanding_cmds[cnt] = NULL;
1da177e4 3102 sp->flags = 0;
f4f051eb 3103 sp->cmd->result = DID_RESET << 16;
1da177e4 3104 sp->cmd->host_scribble = (unsigned char *)NULL;
f4f051eb 3105 qla2x00_sp_compl(ha, sp);
1da177e4
LT		 3106 }
3107 }
3108 spin_unlock_irqrestore(&ha->hardware_lock, flags);
3109
abbd8870 3110 ha->isp_ops.nvram_config(ha);
1da177e4
LT		 3111
3112 if (!qla2x00_restart_isp(ha)) {
3113 clear_bit(RESET_MARKER_NEEDED, &ha->dpc_flags);
3114
3115 if (!atomic_read(&ha->loop_down_timer)) {
3116 /*
3117 * Issue marker command only when we are going
3118 * to start the I/O .
3119 */
3120 ha->marker_needed = 1;
3121 }
3122
3123 ha->flags.online = 1;
3124
abbd8870 3125 ha->isp_ops.enable_intrs(ha);
1da177e4 3126
fa2a1ce5 3127 ha->isp_abort_cnt = 0;
1da177e4 3128 clear_bit(ISP_ABORT_RETRY, &ha->dpc_flags);
476e8978
AV		 3129
3130 if (ha->eft) {
3131 rval = qla2x00_trace_control(ha, TC_ENABLE,
3132 ha->eft_dma, EFT_NUM_BUFFERS);
3133 if (rval) {
3134 qla_printk(KERN_WARNING, ha,
3135 "Unable to reinitialize EFT "
3136 "(%d).\n", rval);
3137 }
3138 }
1da177e4
LT		 3139 } else { /* failed the ISP abort */
3140 ha->flags.online = 1;
3141 if (test_bit(ISP_ABORT_RETRY, &ha->dpc_flags)) {
3142 if (ha->isp_abort_cnt == 0) {
3143 qla_printk(KERN_WARNING, ha,
3144 "ISP error recovery failed - "
3145 "board disabled\n");
fa2a1ce5 3146 /*
1da177e4
LT		 3147 * The next call disables the board
3148 * completely.
3149 */
abbd8870 3150 ha->isp_ops.reset_adapter(ha);
1da177e4
LT		 3151 ha->flags.online = 0;
3152 clear_bit(ISP_ABORT_RETRY,
3153 &ha->dpc_flags);
3154 status = 0;
3155 } else { /* schedule another ISP abort */
3156 ha->isp_abort_cnt--;
3157 DEBUG(printk("qla%ld: ISP abort - "
0107109e 3158 "retry remaining %d\n",
744f11fd 3159 ha->host_no, ha->isp_abort_cnt));
1da177e4
LT		 3160 status = 1;
3161 }
3162 } else {
3163 ha->isp_abort_cnt = MAX_RETRIES_OF_ISP_ABORT;
3164 DEBUG(printk("qla2x00(%ld): ISP error recovery "
3165 "- retrying (%d) more times\n",
744f11fd 3166 ha->host_no, ha->isp_abort_cnt));
1da177e4
LT		 3167 set_bit(ISP_ABORT_RETRY, &ha->dpc_flags);
3168 status = 1;
3169 }
3170 }
fa2a1ce5 3171
1da177e4
LT		 3172 }
3173
3174 if (status) {
3175 qla_printk(KERN_INFO, ha,
3176 "qla2x00_abort_isp: **** FAILED ****\n");
3177 } else {
3178 DEBUG(printk(KERN_INFO
3179 "qla2x00_abort_isp(%ld): exiting.\n",
744f11fd 3180 ha->host_no));
1da177e4
LT		 3181 }
3182
3183 return(status);
3184}
3185
3186/*
3187* qla2x00_restart_isp
3188* restarts the ISP after a reset
3189*
3190* Input:
3191* ha = adapter block pointer.
3192*
3193* Returns:
3194* 0 = success
3195*/
3196static int
3197qla2x00_restart_isp(scsi_qla_host_t *ha)
3198{
3199 uint8_t status = 0;
3d71644c 3200 struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
1da177e4
LT		 3201 unsigned long flags = 0;
3202 uint32_t wait_time;
3203
3204 /* If firmware needs to be loaded */
3205 if (qla2x00_isp_firmware(ha)) {
3206 ha->flags.online = 0;
abbd8870 3207 if (!(status = ha->isp_ops.chip_diag(ha))) {
1da177e4
LT		 3208 if (IS_QLA2100(ha) || IS_QLA2200(ha)) {
3209 status = qla2x00_setup_chip(ha);
3210 goto done;
3211 }
3212
1da177e4
LT		 3213 spin_lock_irqsave(&ha->hardware_lock, flags);
3214
044cc6c8 3215 if (!IS_QLA24XX(ha) && !IS_QLA54XX(ha)) {
0107109e
AV		 3216 /*
3217 * Disable SRAM, Instruction RAM and GP RAM
3218 * parity.
3219 */
3220 WRT_REG_WORD(&reg->hccr,
3221 (HCCR_ENABLE_PARITY + 0x0));
3222 RD_REG_WORD(&reg->hccr);
3223 }
1da177e4
LT		 3224
3225 spin_unlock_irqrestore(&ha->hardware_lock, flags);
fa2a1ce5 3226
1da177e4
LT		 3227 status = qla2x00_setup_chip(ha);
3228
3229 spin_lock_irqsave(&ha->hardware_lock, flags);
fa2a1ce5 3230
044cc6c8 3231 if (!IS_QLA24XX(ha) && !IS_QLA54XX(ha)) {
0107109e
AV		 3232 /* Enable proper parity */
3233 if (IS_QLA2300(ha))
3234 /* SRAM parity */
3235 WRT_REG_WORD(&reg->hccr,
3236 (HCCR_ENABLE_PARITY + 0x1));
3237 else
3238 /*
3239 * SRAM, Instruction RAM and GP RAM
3240 * parity.
3241 */
3242 WRT_REG_WORD(&reg->hccr,
3243 (HCCR_ENABLE_PARITY + 0x7));
3244 RD_REG_WORD(&reg->hccr);
3245 }
1da177e4
LT		 3246
3247 spin_unlock_irqrestore(&ha->hardware_lock, flags);
3248 }
3249 }
3250
3251 done:
3252 if (!status && !(status = qla2x00_init_rings(ha))) {
3253 clear_bit(RESET_MARKER_NEEDED, &ha->dpc_flags);
3254 if (!(status = qla2x00_fw_ready(ha))) {
3255 DEBUG(printk("%s(): Start configure loop, "
744f11fd 3256 "status = %d\n", __func__, status));
0107109e
AV		 3257
3258 /* Issue a marker after FW becomes ready. */
3259 qla2x00_marker(ha, 0, 0, MK_SYNC_ALL);
3260
1da177e4
LT		 3261 ha->flags.online = 1;
3262 /* Wait at most MAX_TARGET RSCNs for a stable link. */
3263 wait_time = 256;
3264 do {
3265 clear_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags);
3266 qla2x00_configure_loop(ha);
3267 wait_time--;
3268 } while (!atomic_read(&ha->loop_down_timer) &&
3269 !(test_bit(ISP_ABORT_NEEDED, &ha->dpc_flags)) &&
3270 wait_time &&
3271 (test_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags)));
3272 }
3273
3274 /* if no cable then assume it's good */
fa2a1ce5 3275 if ((ha->device_flags & DFLG_NO_CABLE))
1da177e4
LT		 3276 status = 0;
3277
3278 DEBUG(printk("%s(): Configure loop done, status = 0x%x\n",
3279 __func__,
744f11fd 3280 status));
1da177e4
LT		 3281 }
3282 return (status);
3283}
3284
3285/*
3286* qla2x00_reset_adapter
3287* Reset adapter.
3288*
3289* Input:
3290* ha = adapter block pointer.
3291*/
abbd8870 3292void
1da177e4
LT		 3293qla2x00_reset_adapter(scsi_qla_host_t *ha)
3294{
3295 unsigned long flags = 0;
3d71644c 3296 struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
1da177e4
LT		 3297
3298 ha->flags.online = 0;
abbd8870 3299 ha->isp_ops.disable_intrs(ha);
1da177e4 3300
1da177e4
LT		 3301 spin_lock_irqsave(&ha->hardware_lock, flags);
3302 WRT_REG_WORD(&reg->hccr, HCCR_RESET_RISC);
3303 RD_REG_WORD(&reg->hccr); /* PCI Posting. */
3304 WRT_REG_WORD(&reg->hccr, HCCR_RELEASE_RISC);
3305 RD_REG_WORD(&reg->hccr); /* PCI Posting. */
3306 spin_unlock_irqrestore(&ha->hardware_lock, flags);
3307}
0107109e
AV		 3308
3309void
3310qla24xx_reset_adapter(scsi_qla_host_t *ha)
3311{
3312 unsigned long flags = 0;
3313 struct device_reg_24xx __iomem *reg = &ha->iobase->isp24;
3314
3315 ha->flags.online = 0;
3316 ha->isp_ops.disable_intrs(ha);
3317
3318 spin_lock_irqsave(&ha->hardware_lock, flags);
3319 WRT_REG_DWORD(&reg->hccr, HCCRX_SET_RISC_RESET);
3320 RD_REG_DWORD(&reg->hccr);
3321 WRT_REG_DWORD(&reg->hccr, HCCRX_REL_RISC_PAUSE);
3322 RD_REG_DWORD(&reg->hccr);
3323 spin_unlock_irqrestore(&ha->hardware_lock, flags);
3324}
3325
3326int
3327qla24xx_nvram_config(scsi_qla_host_t *ha)
3328{
3329 int rval;
3330 struct init_cb_24xx *icb;
3331 struct nvram_24xx *nv;
3332 uint32_t *dptr;
3333 uint8_t *dptr1, *dptr2;
3334 uint32_t chksum;
3335 uint16_t cnt;
3336
3337 rval = QLA_SUCCESS;
3338 icb = (struct init_cb_24xx *)ha->init_cb;
3339 nv = (struct nvram_24xx *)ha->request_ring;
3340
3341 /* Determine NVRAM starting address. */
3342 ha->nvram_size = sizeof(struct nvram_24xx);
3343 ha->nvram_base = FA_NVRAM_FUNC0_ADDR;
6f641790
AV		 3344 ha->vpd_size = FA_NVRAM_VPD_SIZE;
3345 ha->vpd_base = FA_NVRAM_VPD0_ADDR;
3346 if (PCI_FUNC(ha->pdev->devfn)) {
0107109e 3347 ha->nvram_base = FA_NVRAM_FUNC1_ADDR;
6f641790
AV		 3348 ha->vpd_base = FA_NVRAM_VPD1_ADDR;
3349 }
0107109e
AV		 3350
3351 /* Get NVRAM data and calculate checksum. */
3352 dptr = (uint32_t *)nv;
3353 ha->isp_ops.read_nvram(ha, (uint8_t *)dptr, ha->nvram_base,
3354 ha->nvram_size);
3355 for (cnt = 0, chksum = 0; cnt < ha->nvram_size >> 2; cnt++)
3356 chksum += le32_to_cpu(*dptr++);
3357
3358 DEBUG5(printk("scsi(%ld): Contents of NVRAM\n", ha->host_no));
3359 DEBUG5(qla2x00_dump_buffer((uint8_t *)ha->request_ring,
3360 ha->nvram_size));
3361
3362 /* Bad NVRAM data, set defaults parameters. */
3363 if (chksum || nv->id[0] != 'I' || nv->id[1] != 'S' || nv->id[2] != 'P'
3364 || nv->id[3] != ' ' ||
3365 nv->nvram_version < __constant_cpu_to_le16(ICB_VERSION)) {
3366 /* Reset NVRAM data. */
3367 qla_printk(KERN_WARNING, ha, "Inconsistent NVRAM detected: "
3368 "checksum=0x%x id=%c version=0x%x.\n", chksum, nv->id[0],
3369 le16_to_cpu(nv->nvram_version));
3370 qla_printk(KERN_WARNING, ha, "Falling back to functioning (yet "
3371 "invalid -- WWPN) defaults.\n");
3372
3373 /*
3374 * Set default initialization control block.
3375 */
3376 memset(nv, 0, ha->nvram_size);
3377 nv->nvram_version = __constant_cpu_to_le16(ICB_VERSION);
3378 nv->version = __constant_cpu_to_le16(ICB_VERSION);
3379 nv->frame_payload_size = __constant_cpu_to_le16(2048);
3380 nv->execution_throttle = __constant_cpu_to_le16(0xFFFF);
3381 nv->exchange_count = __constant_cpu_to_le16(0);
3382 nv->hard_address = __constant_cpu_to_le16(124);
3383 nv->port_name[0] = 0x21;
3384 nv->port_name[1] = 0x00 + PCI_FUNC(ha->pdev->devfn);
3385 nv->port_name[2] = 0x00;
3386 nv->port_name[3] = 0xe0;
3387 nv->port_name[4] = 0x8b;
3388 nv->port_name[5] = 0x1c;
3389 nv->port_name[6] = 0x55;
3390 nv->port_name[7] = 0x86;
3391 nv->node_name[0] = 0x20;
3392 nv->node_name[1] = 0x00;
3393 nv->node_name[2] = 0x00;
3394 nv->node_name[3] = 0xe0;
3395 nv->node_name[4] = 0x8b;
3396 nv->node_name[5] = 0x1c;
3397 nv->node_name[6] = 0x55;
3398 nv->node_name[7] = 0x86;
3399 nv->login_retry_count = __constant_cpu_to_le16(8);
0107109e
AV		 3400 nv->interrupt_delay_timer = __constant_cpu_to_le16(0);
3401 nv->login_timeout = __constant_cpu_to_le16(0);
3402 nv->firmware_options_1 =
3403 __constant_cpu_to_le32(BIT_14|BIT_13|BIT_2|BIT_1);
3404 nv->firmware_options_2 = __constant_cpu_to_le32(2 << 4);
3405 nv->firmware_options_2 |= __constant_cpu_to_le32(BIT_12);
3406 nv->firmware_options_3 = __constant_cpu_to_le32(2 << 13);
3407 nv->host_p = __constant_cpu_to_le32(BIT_11|BIT_10);
3408 nv->efi_parameters = __constant_cpu_to_le32(0);
3409 nv->reset_delay = 5;
3410 nv->max_luns_per_target = __constant_cpu_to_le16(128);
3411 nv->port_down_retry_count = __constant_cpu_to_le16(30);
3412 nv->link_down_timeout = __constant_cpu_to_le16(30);
3413
3414 rval = 1;
3415 }
3416
3417 /* Reset Initialization control block */
3418 memset(icb, 0, sizeof(struct init_cb_24xx));
3419
3420 /* Copy 1st segment. */
3421 dptr1 = (uint8_t *)icb;
3422 dptr2 = (uint8_t *)&nv->version;
3423 cnt = (uint8_t *)&icb->response_q_inpointer - (uint8_t *)&icb->version;
3424 while (cnt--)
3425 *dptr1++ = *dptr2++;
3426
3427 icb->login_retry_count = nv->login_retry_count;
3ea66e28 3428 icb->link_down_on_nos = nv->link_down_on_nos;
0107109e
AV		 3429
3430 /* Copy 2nd segment. */
3431 dptr1 = (uint8_t *)&icb->interrupt_delay_timer;
3432 dptr2 = (uint8_t *)&nv->interrupt_delay_timer;
3433 cnt = (uint8_t *)&icb->reserved_3 -
3434 (uint8_t *)&icb->interrupt_delay_timer;
3435 while (cnt--)
3436 *dptr1++ = *dptr2++;
3437
3438 /*
3439 * Setup driver NVRAM options.
3440 */
3441 if (memcmp(nv->model_name, BINZERO, sizeof(nv->model_name)) != 0) {
3442 char *st, *en;
3443 uint16_t index;
3444
3445 strncpy(ha->model_number, nv->model_name,
3446 sizeof(nv->model_name));
3447 st = en = ha->model_number;
3448 en += sizeof(nv->model_name) - 1;
3449 while (en > st) {
3450 if (*en != 0x20 && *en != 0x00)
3451 break;
3452 *en-- = '\0';
3453 }
3454
3455 index = (ha->pdev->subsystem_device & 0xff);
3456 if (index < QLA_MODEL_NAMES)
1328962e 3457 ha->model_desc = qla2x00_model_name[index * 2 + 1];
0107109e
AV		 3458 } else
3459 strcpy(ha->model_number, "QLA2462");
3460
5341e868
AV		 3461 /* Use alternate WWN? */
3462 if (nv->host_p & __constant_cpu_to_le32(BIT_15)) {
3463 memcpy(icb->node_name, nv->alternate_node_name, WWN_SIZE);
3464 memcpy(icb->port_name, nv->alternate_port_name, WWN_SIZE);
3465 }
3466
0107109e 3467 /* Prepare nodename */
fd0e7e4d 3468 if ((icb->firmware_options_1 & __constant_cpu_to_le32(BIT_14)) == 0) {
0107109e
AV		 3469 /*
3470 * Firmware will apply the following mask if the nodename was
3471 * not provided.
3472 */
3473 memcpy(icb->node_name, icb->port_name, WWN_SIZE);
3474 icb->node_name[0] &= 0xF0;
3475 }
3476
3477 /* Set host adapter parameters. */
3478 ha->flags.disable_risc_code_load = 0;
3479 ha->flags.enable_lip_reset = 1;
3480 ha->flags.enable_lip_full_login = 1;
3481 ha->flags.enable_target_reset = 1;
3482 ha->flags.enable_led_scheme = 0;
d4c760c2 3483 ha->flags.disable_serdes = le32_to_cpu(nv->host_p) & BIT_5 ? 1: 0;
0107109e 3484
fd0e7e4d
AV		 3485 ha->operating_mode = (le32_to_cpu(icb->firmware_options_2) &
3486 (BIT_6 | BIT_5 | BIT_4)) >> 4;
0107109e
AV		 3487
3488 memcpy(ha->fw_seriallink_options24, nv->seriallink_options,
3489 sizeof(ha->fw_seriallink_options24));
3490
3491 /* save HBA serial number */
3492 ha->serial0 = icb->port_name[5];
3493 ha->serial1 = icb->port_name[6];
3494 ha->serial2 = icb->port_name[7];
3495 ha->node_name = icb->node_name;
3496 ha->port_name = icb->port_name;
3497
bc8fb3cb
AV		 3498 icb->execution_throttle = __constant_cpu_to_le16(0xFFFF);
3499
0107109e
AV		 3500 ha->retry_count = le16_to_cpu(nv->login_retry_count);
3501
3502 /* Set minimum login_timeout to 4 seconds. */
3503 if (le16_to_cpu(nv->login_timeout) < ql2xlogintimeout)
3504 nv->login_timeout = cpu_to_le16(ql2xlogintimeout);
3505 if (le16_to_cpu(nv->login_timeout) < 4)
3506 nv->login_timeout = __constant_cpu_to_le16(4);
3507 ha->login_timeout = le16_to_cpu(nv->login_timeout);
3508 icb->login_timeout = cpu_to_le16(nv->login_timeout);
3509
3510 /* Set minimum RATOV to 200 tenths of a second. */
3511 ha->r_a_tov = 200;
3512
3513 ha->loop_reset_delay = nv->reset_delay;
3514
3515 /* Link Down Timeout = 0:
3516 *
3517 * When Port Down timer expires we will start returning
3518 * I/O's to OS with "DID_NO_CONNECT".
3519 *
3520 * Link Down Timeout != 0:
3521 *
3522 * The driver waits for the link to come up after link down
3523 * before returning I/Os to OS with "DID_NO_CONNECT".
3524 */
3525 if (le16_to_cpu(nv->link_down_timeout) == 0) {
3526 ha->loop_down_abort_time =
3527 (LOOP_DOWN_TIME - LOOP_DOWN_TIMEOUT);
3528 } else {
3529 ha->link_down_timeout = le16_to_cpu(nv->link_down_timeout);
3530 ha->loop_down_abort_time =
3531 (LOOP_DOWN_TIME - ha->link_down_timeout);
3532 }
3533
3534 /* Need enough time to try and get the port back. */
3535 ha->port_down_retry_count = le16_to_cpu(nv->port_down_retry_count);
3536 if (qlport_down_retry)
3537 ha->port_down_retry_count = qlport_down_retry;
3538
3539 /* Set login_retry_count */
3540 ha->login_retry_count = le16_to_cpu(nv->login_retry_count);
3541 if (ha->port_down_retry_count ==
3542 le16_to_cpu(nv->port_down_retry_count) &&
3543 ha->port_down_retry_count > 3)
3544 ha->login_retry_count = ha->port_down_retry_count;
3545 else if (ha->port_down_retry_count > (int)ha->login_retry_count)
3546 ha->login_retry_count = ha->port_down_retry_count;
3547 if (ql2xloginretrycount)
3548 ha->login_retry_count = ql2xloginretrycount;
3549
4fdfefe5
AV		 3550 /* Enable ZIO. */
3551 if (!ha->flags.init_done) {
3552 ha->zio_mode = le32_to_cpu(icb->firmware_options_2) &
3553 (BIT_3 | BIT_2 | BIT_1 | BIT_0);
3554 ha->zio_timer = le16_to_cpu(icb->interrupt_delay_timer) ?
3555 le16_to_cpu(icb->interrupt_delay_timer): 2;
3556 }
3557 icb->firmware_options_2 &= __constant_cpu_to_le32(
3558 ~(BIT_3 | BIT_2 | BIT_1 | BIT_0));
3559 ha->flags.process_response_queue = 0;
3560 if (ha->zio_mode != QLA_ZIO_DISABLED) {
4a59f71d
AV		 3561 ha->zio_mode = QLA_ZIO_MODE_6;
3562
4fdfefe5
AV		 3563 DEBUG2(printk("scsi(%ld): ZIO mode %d enabled; timer delay "
3564 "(%d us).\n", ha->host_no, ha->zio_mode,
3565 ha->zio_timer * 100));
3566 qla_printk(KERN_INFO, ha,
3567 "ZIO mode %d enabled; timer delay (%d us).\n",
3568 ha->zio_mode, ha->zio_timer * 100);
3569
3570 icb->firmware_options_2 |= cpu_to_le32(
3571 (uint32_t)ha->zio_mode);
3572 icb->interrupt_delay_timer = cpu_to_le16(ha->zio_timer);
3573 ha->flags.process_response_queue = 1;
3574 }
3575
0107109e
AV		 3576 if (rval) {
3577 DEBUG2_3(printk(KERN_WARNING
3578 "scsi(%ld): NVRAM configuration failed!\n", ha->host_no));
3579 }
3580 return (rval);
3581}
3582
413975a0 3583static int
d1c61909
AV		 3584qla24xx_load_risc_flash(scsi_qla_host_t *ha, uint32_t *srisc_addr)
3585{
3586 int rval;
3587 int segments, fragment;
3588 uint32_t faddr;
3589 uint32_t *dcode, dlen;
3590 uint32_t risc_addr;
3591 uint32_t risc_size;
3592 uint32_t i;
3593
3594 rval = QLA_SUCCESS;
3595
3596 segments = FA_RISC_CODE_SEGMENTS;
3597 faddr = FA_RISC_CODE_ADDR;
3598 dcode = (uint32_t *)ha->request_ring;
3599 *srisc_addr = 0;
3600
3601 /* Validate firmware image by checking version. */
3602 qla24xx_read_flash_data(ha, dcode, faddr + 4, 4);
3603 for (i = 0; i < 4; i++)
3604 dcode[i] = be32_to_cpu(dcode[i]);
3605 if ((dcode[0] == 0xffffffff && dcode[1] == 0xffffffff &&
3606 dcode[2] == 0xffffffff && dcode[3] == 0xffffffff) ||
3607 (dcode[0] == 0 && dcode[1] == 0 && dcode[2] == 0 &&
3608 dcode[3] == 0)) {
3609 qla_printk(KERN_WARNING, ha,
3610 "Unable to verify integrity of flash firmware image!\n");
3611 qla_printk(KERN_WARNING, ha,
3612 "Firmware data: %08x %08x %08x %08x!\n", dcode[0],
3613 dcode[1], dcode[2], dcode[3]);
3614
3615 return QLA_FUNCTION_FAILED;
3616 }
3617
3618 while (segments && rval == QLA_SUCCESS) {
3619 /* Read segment's load information. */
3620 qla24xx_read_flash_data(ha, dcode, faddr, 4);
3621
3622 risc_addr = be32_to_cpu(dcode[2]);
3623 *srisc_addr = *srisc_addr == 0 ? risc_addr : *srisc_addr;
3624 risc_size = be32_to_cpu(dcode[3]);
3625
3626 fragment = 0;
3627 while (risc_size > 0 && rval == QLA_SUCCESS) {
3628 dlen = (uint32_t)(ha->fw_transfer_size >> 2);
3629 if (dlen > risc_size)
3630 dlen = risc_size;
3631
3632 DEBUG7(printk("scsi(%ld): Loading risc segment@ risc "
3633 "addr %x, number of dwords 0x%x, offset 0x%x.\n",
3634 ha->host_no, risc_addr, dlen, faddr));
3635
3636 qla24xx_read_flash_data(ha, dcode, faddr, dlen);
3637 for (i = 0; i < dlen; i++)
3638 dcode[i] = swab32(dcode[i]);
3639
3640 rval = qla2x00_load_ram(ha, ha->request_dma, risc_addr,
3641 dlen);
3642 if (rval) {
3643 DEBUG(printk("scsi(%ld):[ERROR] Failed to load "
3644 "segment %d of firmware\n", ha->host_no,
3645 fragment));
3646 qla_printk(KERN_WARNING, ha,
3647 "[ERROR] Failed to load segment %d of "
3648 "firmware\n", fragment);
3649 break;
3650 }
3651
3652 faddr += dlen;
3653 risc_addr += dlen;
3654 risc_size -= dlen;
3655 fragment++;
3656 }
3657
3658 /* Next segment. */
3659 segments--;
3660 }
3661
3662 return rval;
3663}
3664
d1c61909
AV		 3665#define QLA_FW_URL "ftp://ftp.qlogic.com/outgoing/linux/firmware/"
3666
0107109e 3667int
5433383e
AV		 3668qla2x00_load_risc(scsi_qla_host_t *ha, uint32_t *srisc_addr)
3669{
3670 int rval;
3671 int i, fragment;
3672 uint16_t *wcode, *fwcode;
3673 uint32_t risc_addr, risc_size, fwclen, wlen, *seg;
3674 struct fw_blob *blob;
3675
3676 /* Load firmware blob. */
3677 blob = qla2x00_request_firmware(ha);
3678 if (!blob) {
3679 qla_printk(KERN_ERR, ha, "Firmware image unavailable.\n");
d1c61909
AV		 3680 qla_printk(KERN_ERR, ha, "Firmware images can be retrieved "
3681 "from: " QLA_FW_URL ".\n");
5433383e
AV		 3682 return QLA_FUNCTION_FAILED;
3683 }
3684
3685 rval = QLA_SUCCESS;
3686
3687 wcode = (uint16_t *)ha->request_ring;
3688 *srisc_addr = 0;
3689 fwcode = (uint16_t *)blob->fw->data;
3690 fwclen = 0;
3691
3692 /* Validate firmware image by checking version. */
3693 if (blob->fw->size < 8 * sizeof(uint16_t)) {
3694 qla_printk(KERN_WARNING, ha,
3695 "Unable to verify integrity of firmware image (%Zd)!\n",
3696 blob->fw->size);
3697 goto fail_fw_integrity;
3698 }
3699 for (i = 0; i < 4; i++)
3700 wcode[i] = be16_to_cpu(fwcode[i + 4]);
3701 if ((wcode[0] == 0xffff && wcode[1] == 0xffff && wcode[2] == 0xffff &&
3702 wcode[3] == 0xffff) || (wcode[0] == 0 && wcode[1] == 0 &&
3703 wcode[2] == 0 && wcode[3] == 0)) {
3704 qla_printk(KERN_WARNING, ha,
3705 "Unable to verify integrity of firmware image!\n");
3706 qla_printk(KERN_WARNING, ha,
3707 "Firmware data: %04x %04x %04x %04x!\n", wcode[0],
3708 wcode[1], wcode[2], wcode[3]);
3709 goto fail_fw_integrity;
3710 }
3711
3712 seg = blob->segs;
3713 while (*seg && rval == QLA_SUCCESS) {
3714 risc_addr = *seg;
3715 *srisc_addr = *srisc_addr == 0 ? *seg : *srisc_addr;
3716 risc_size = be16_to_cpu(fwcode[3]);
3717
3718 /* Validate firmware image size. */
3719 fwclen += risc_size * sizeof(uint16_t);
3720 if (blob->fw->size < fwclen) {
3721 qla_printk(KERN_WARNING, ha,
3722 "Unable to verify integrity of firmware image "
3723 "(%Zd)!\n", blob->fw->size);
3724 goto fail_fw_integrity;
3725 }
3726
3727 fragment = 0;
3728 while (risc_size > 0 && rval == QLA_SUCCESS) {
3729 wlen = (uint16_t)(ha->fw_transfer_size >> 1);
3730 if (wlen > risc_size)
3731 wlen = risc_size;
3732
3733 DEBUG7(printk("scsi(%ld): Loading risc segment@ risc "
3734 "addr %x, number of words 0x%x.\n", ha->host_no,
3735 risc_addr, wlen));
3736
3737 for (i = 0; i < wlen; i++)
3738 wcode[i] = swab16(fwcode[i]);
3739
3740 rval = qla2x00_load_ram(ha, ha->request_dma, risc_addr,
3741 wlen);
3742 if (rval) {
3743 DEBUG(printk("scsi(%ld):[ERROR] Failed to load "
3744 "segment %d of firmware\n", ha->host_no,
3745 fragment));
3746 qla_printk(KERN_WARNING, ha,
3747 "[ERROR] Failed to load segment %d of "
3748 "firmware\n", fragment);
3749 break;
3750 }
3751
3752 fwcode += wlen;
3753 risc_addr += wlen;
3754 risc_size -= wlen;
3755 fragment++;
3756 }
3757
3758 /* Next segment. */
3759 seg++;
3760 }
3761 return rval;
3762
3763fail_fw_integrity:
3764 return QLA_FUNCTION_FAILED;
3765}
3766
3767int
3768qla24xx_load_risc(scsi_qla_host_t *ha, uint32_t *srisc_addr)
0107109e
AV		 3769{
3770 int rval;
3771 int segments, fragment;
3772 uint32_t *dcode, dlen;
3773 uint32_t risc_addr;
3774 uint32_t risc_size;
3775 uint32_t i;
5433383e 3776 struct fw_blob *blob;
0107109e
AV		 3777 uint32_t *fwcode, fwclen;
3778
5433383e
AV		 3779 /* Load firmware blob. */
3780 blob = qla2x00_request_firmware(ha);
3781 if (!blob) {
3782 qla_printk(KERN_ERR, ha, "Firmware image unavailable.\n");
d1c61909
AV		 3783 qla_printk(KERN_ERR, ha, "Firmware images can be retrieved "
3784 "from: " QLA_FW_URL ".\n");
3785
3786 /* Try to load RISC code from flash. */
3787 qla_printk(KERN_ERR, ha, "Attempting to load (potentially "
3788 "outdated) firmware from flash.\n");
3789 return qla24xx_load_risc_flash(ha, srisc_addr);
0107109e
AV		 3790 }
3791
3792 rval = QLA_SUCCESS;
3793
3794 segments = FA_RISC_CODE_SEGMENTS;
3795 dcode = (uint32_t *)ha->request_ring;
3796 *srisc_addr = 0;
5433383e 3797 fwcode = (uint32_t *)blob->fw->data;
0107109e
AV		 3798 fwclen = 0;
3799
3800 /* Validate firmware image by checking version. */
5433383e 3801 if (blob->fw->size < 8 * sizeof(uint32_t)) {
0107109e 3802 qla_printk(KERN_WARNING, ha,
5433383e
AV		 3803 "Unable to verify integrity of firmware image (%Zd)!\n",
3804 blob->fw->size);
0107109e
AV		 3805 goto fail_fw_integrity;
3806 }
3807 for (i = 0; i < 4; i++)
3808 dcode[i] = be32_to_cpu(fwcode[i + 4]);
3809 if ((dcode[0] == 0xffffffff && dcode[1] == 0xffffffff &&
3810 dcode[2] == 0xffffffff && dcode[3] == 0xffffffff) ||
3811 (dcode[0] == 0 && dcode[1] == 0 && dcode[2] == 0 &&
3812 dcode[3] == 0)) {
3813 qla_printk(KERN_WARNING, ha,
5433383e 3814 "Unable to verify integrity of firmware image!\n");
0107109e
AV		 3815 qla_printk(KERN_WARNING, ha,
3816 "Firmware data: %08x %08x %08x %08x!\n", dcode[0],
3817 dcode[1], dcode[2], dcode[3]);
3818 goto fail_fw_integrity;
3819 }
3820
3821 while (segments && rval == QLA_SUCCESS) {
3822 risc_addr = be32_to_cpu(fwcode[2]);
3823 *srisc_addr = *srisc_addr == 0 ? risc_addr : *srisc_addr;
3824 risc_size = be32_to_cpu(fwcode[3]);
3825
3826 /* Validate firmware image size. */
3827 fwclen += risc_size * sizeof(uint32_t);
5433383e 3828 if (blob->fw->size < fwclen) {
0107109e 3829 qla_printk(KERN_WARNING, ha,
5433383e
AV		 3830 "Unable to verify integrity of firmware image "
3831 "(%Zd)!\n", blob->fw->size);
3832
0107109e
AV		 3833 goto fail_fw_integrity;
3834 }
3835
3836 fragment = 0;
3837 while (risc_size > 0 && rval == QLA_SUCCESS) {
3838 dlen = (uint32_t)(ha->fw_transfer_size >> 2);
3839 if (dlen > risc_size)
3840 dlen = risc_size;
3841
3842 DEBUG7(printk("scsi(%ld): Loading risc segment@ risc "
3843 "addr %x, number of dwords 0x%x.\n", ha->host_no,
3844 risc_addr, dlen));
3845
3846 for (i = 0; i < dlen; i++)
3847 dcode[i] = swab32(fwcode[i]);
3848
590f98e5
AV		 3849 rval = qla2x00_load_ram(ha, ha->request_dma, risc_addr,
3850 dlen);
0107109e
AV		 3851 if (rval) {
3852 DEBUG(printk("scsi(%ld):[ERROR] Failed to load "
3853 "segment %d of firmware\n", ha->host_no,
3854 fragment));
3855 qla_printk(KERN_WARNING, ha,
3856 "[ERROR] Failed to load segment %d of "
3857 "firmware\n", fragment);
3858 break;
3859 }
3860
3861 fwcode += dlen;
3862 risc_addr += dlen;
3863 risc_size -= dlen;
3864 fragment++;
3865 }
3866
3867 /* Next segment. */
3868 segments--;
3869 }
0107109e
AV		 3870 return rval;
3871
3872fail_fw_integrity:
0107109e 3873 return QLA_FUNCTION_FAILED;
0107109e 3874}
18c6c127
AV		 3875
3876void
3877qla2x00_try_to_stop_firmware(scsi_qla_host_t *ha)
3878{
3879 int ret, retries;
3880
3881 if (!IS_QLA24XX(ha) && !IS_QLA54XX(ha))
3882 return;
3883
3884 ret = qla2x00_stop_firmware(ha);
3885 for (retries = 5; ret != QLA_SUCCESS && retries ; retries--) {
3886 qla2x00_reset_chip(ha);
3887 if (qla2x00_chip_diag(ha) != QLA_SUCCESS)
3888 continue;
3889 if (qla2x00_setup_chip(ha) != QLA_SUCCESS)
3890 continue;
3891 qla_printk(KERN_INFO, ha,
3892 "Attempting retry of stop-firmware command...\n");
3893 ret = qla2x00_stop_firmware(ha);
3894 }
3895}
Clone of davem's net-next-2.6 tree