1 /* 2 * QLogic Fibre Channel HBA Driver 3 * Copyright (c) 2003-2014 QLogic Corporation 4 * 5 * See LICENSE.qla2xxx for copyright and licensing details. 6 */ 7 #include "qla_def.h" 8 #include <linux/delay.h> 9 #include <linux/ktime.h> 10 #include <linux/pci.h> 11 #include <linux/ratelimit.h> 12 #include <linux/vmalloc.h> 13 #include <scsi/scsi_tcq.h> 14 #include <linux/utsname.h> 15 16 17 /* QLAFX00 specific Mailbox implementation functions */ 18 19 /* 20 * qlafx00_mailbox_command 21 * Issue mailbox command and waits for completion. 22 * 23 * Input: 24 * ha = adapter block pointer. 25 * mcp = driver internal mbx struct pointer. 26 * 27 * Output: 28 * mb[MAX_MAILBOX_REGISTER_COUNT] = returned mailbox data. 29 * 30 * Returns: 31 * 0 : QLA_SUCCESS = cmd performed success 32 * 1 : QLA_FUNCTION_FAILED (error encountered) 33 * 6 : QLA_FUNCTION_TIMEOUT (timeout condition encountered) 34 * 35 * Context: 36 * Kernel context. 37 */ 38 static int 39 qlafx00_mailbox_command(scsi_qla_host_t *vha, struct mbx_cmd_32 *mcp) 40 41 { 42 int rval; 43 unsigned long flags = 0; 44 device_reg_t *reg; 45 uint8_t abort_active; 46 uint8_t io_lock_on; 47 uint16_t command = 0; 48 uint32_t *iptr; 49 uint32_t __iomem *optr; 50 uint32_t cnt; 51 uint32_t mboxes; 52 unsigned long wait_time; 53 struct qla_hw_data *ha = vha->hw; 54 scsi_qla_host_t *base_vha = pci_get_drvdata(ha->pdev); 55 56 if (ha->pdev->error_state == pci_channel_io_perm_failure) { 57 ql_log(ql_log_warn, vha, 0x115c, 58 "PCI channel failed permanently, exiting.\n"); 59 return QLA_FUNCTION_TIMEOUT; 60 } 61 62 if (vha->device_flags & DFLG_DEV_FAILED) { 63 ql_log(ql_log_warn, vha, 0x115f, 64 "Device in failed state, exiting.\n"); 65 return QLA_FUNCTION_TIMEOUT; 66 } 67 68 reg = ha->iobase; 69 io_lock_on = base_vha->flags.init_done; 70 71 rval = QLA_SUCCESS; 72 abort_active = test_bit(ABORT_ISP_ACTIVE, &base_vha->dpc_flags); 73 74 if (ha->flags.pci_channel_io_perm_failure) { 75 ql_log(ql_log_warn, vha, 0x1175, 76 "Perm failure on EEH timeout MBX, exiting.\n"); 77 return QLA_FUNCTION_TIMEOUT; 78 } 79 80 if (ha->flags.isp82xx_fw_hung) { 81 /* Setting Link-Down error */ 82 mcp->mb[0] = MBS_LINK_DOWN_ERROR; 83 ql_log(ql_log_warn, vha, 0x1176, 84 "FW hung = %d.\n", ha->flags.isp82xx_fw_hung); 85 rval = QLA_FUNCTION_FAILED; 86 goto premature_exit; 87 } 88 89 /* 90 * Wait for active mailbox commands to finish by waiting at most tov 91 * seconds. This is to serialize actual issuing of mailbox cmds during 92 * non ISP abort time. 93 */ 94 if (!wait_for_completion_timeout(&ha->mbx_cmd_comp, mcp->tov * HZ)) { 95 /* Timeout occurred. Return error. */ 96 ql_log(ql_log_warn, vha, 0x1177, 97 "Cmd access timeout, cmd=0x%x, Exiting.\n", 98 mcp->mb[0]); 99 return QLA_FUNCTION_TIMEOUT; 100 } 101 102 ha->flags.mbox_busy = 1; 103 /* Save mailbox command for debug */ 104 ha->mcp32 = mcp; 105 106 ql_dbg(ql_dbg_mbx, vha, 0x1178, 107 "Prepare to issue mbox cmd=0x%x.\n", mcp->mb[0]); 108 109 spin_lock_irqsave(&ha->hardware_lock, flags); 110 111 /* Load mailbox registers. */ 112 optr = (uint32_t __iomem *)®->ispfx00.mailbox0; 113 114 iptr = mcp->mb; 115 command = mcp->mb[0]; 116 mboxes = mcp->out_mb; 117 118 for (cnt = 0; cnt < ha->mbx_count; cnt++) { 119 if (mboxes & BIT_0) 120 WRT_REG_DWORD(optr, *iptr); 121 122 mboxes >>= 1; 123 optr++; 124 iptr++; 125 } 126 127 /* Issue set host interrupt command to send cmd out. */ 128 ha->flags.mbox_int = 0; 129 clear_bit(MBX_INTERRUPT, &ha->mbx_cmd_flags); 130 131 ql_dump_buffer(ql_dbg_mbx + ql_dbg_buffer, vha, 0x1172, 132 (uint8_t *)mcp->mb, 16); 133 ql_dump_buffer(ql_dbg_mbx + ql_dbg_buffer, vha, 0x1173, 134 ((uint8_t *)mcp->mb + 0x10), 16); 135 ql_dump_buffer(ql_dbg_mbx + ql_dbg_buffer, vha, 0x1174, 136 ((uint8_t *)mcp->mb + 0x20), 8); 137 138 /* Unlock mbx registers and wait for interrupt */ 139 ql_dbg(ql_dbg_mbx, vha, 0x1179, 140 "Going to unlock irq & waiting for interrupts. " 141 "jiffies=%lx.\n", jiffies); 142 143 /* Wait for mbx cmd completion until timeout */ 144 if ((!abort_active && io_lock_on) || IS_NOPOLLING_TYPE(ha)) { 145 set_bit(MBX_INTR_WAIT, &ha->mbx_cmd_flags); 146 147 QLAFX00_SET_HST_INTR(ha, ha->mbx_intr_code); 148 spin_unlock_irqrestore(&ha->hardware_lock, flags); 149 150 WARN_ON_ONCE(wait_for_completion_timeout(&ha->mbx_intr_comp, 151 mcp->tov * HZ) != 0); 152 } else { 153 ql_dbg(ql_dbg_mbx, vha, 0x112c, 154 "Cmd=%x Polling Mode.\n", command); 155 156 QLAFX00_SET_HST_INTR(ha, ha->mbx_intr_code); 157 spin_unlock_irqrestore(&ha->hardware_lock, flags); 158 159 wait_time = jiffies + mcp->tov * HZ; /* wait at most tov secs */ 160 while (!ha->flags.mbox_int) { 161 if (time_after(jiffies, wait_time)) 162 break; 163 164 /* Check for pending interrupts. */ 165 qla2x00_poll(ha->rsp_q_map[0]); 166 167 if (!ha->flags.mbox_int && 168 !(IS_QLA2200(ha) && 169 command == MBC_LOAD_RISC_RAM_EXTENDED)) 170 usleep_range(10000, 11000); 171 } /* while */ 172 ql_dbg(ql_dbg_mbx, vha, 0x112d, 173 "Waited %d sec.\n", 174 (uint)((jiffies - (wait_time - (mcp->tov * HZ)))/HZ)); 175 } 176 177 /* Check whether we timed out */ 178 if (ha->flags.mbox_int) { 179 uint32_t *iptr2; 180 181 ql_dbg(ql_dbg_mbx, vha, 0x112e, 182 "Cmd=%x completed.\n", command); 183 184 /* Got interrupt. Clear the flag. */ 185 ha->flags.mbox_int = 0; 186 clear_bit(MBX_INTERRUPT, &ha->mbx_cmd_flags); 187 188 if (ha->mailbox_out32[0] != MBS_COMMAND_COMPLETE) 189 rval = QLA_FUNCTION_FAILED; 190 191 /* Load return mailbox registers. */ 192 iptr2 = mcp->mb; 193 iptr = (uint32_t *)&ha->mailbox_out32[0]; 194 mboxes = mcp->in_mb; 195 for (cnt = 0; cnt < ha->mbx_count; cnt++) { 196 if (mboxes & BIT_0) 197 *iptr2 = *iptr; 198 199 mboxes >>= 1; 200 iptr2++; 201 iptr++; 202 } 203 } else { 204 205 rval = QLA_FUNCTION_TIMEOUT; 206 } 207 208 ha->flags.mbox_busy = 0; 209 210 /* Clean up */ 211 ha->mcp32 = NULL; 212 213 if ((abort_active || !io_lock_on) && !IS_NOPOLLING_TYPE(ha)) { 214 ql_dbg(ql_dbg_mbx, vha, 0x113a, 215 "checking for additional resp interrupt.\n"); 216 217 /* polling mode for non isp_abort commands. */ 218 qla2x00_poll(ha->rsp_q_map[0]); 219 } 220 221 if (rval == QLA_FUNCTION_TIMEOUT && 222 mcp->mb[0] != MBC_GEN_SYSTEM_ERROR) { 223 if (!io_lock_on || (mcp->flags & IOCTL_CMD) || 224 ha->flags.eeh_busy) { 225 /* not in dpc. schedule it for dpc to take over. */ 226 ql_dbg(ql_dbg_mbx, vha, 0x115d, 227 "Timeout, schedule isp_abort_needed.\n"); 228 229 if (!test_bit(ISP_ABORT_NEEDED, &vha->dpc_flags) && 230 !test_bit(ABORT_ISP_ACTIVE, &vha->dpc_flags) && 231 !test_bit(ISP_ABORT_RETRY, &vha->dpc_flags)) { 232 233 ql_log(ql_log_info, base_vha, 0x115e, 234 "Mailbox cmd timeout occurred, cmd=0x%x, " 235 "mb[0]=0x%x, eeh_busy=0x%x. Scheduling ISP " 236 "abort.\n", command, mcp->mb[0], 237 ha->flags.eeh_busy); 238 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags); 239 qla2xxx_wake_dpc(vha); 240 } 241 } else if (!abort_active) { 242 /* call abort directly since we are in the DPC thread */ 243 ql_dbg(ql_dbg_mbx, vha, 0x1160, 244 "Timeout, calling abort_isp.\n"); 245 246 if (!test_bit(ISP_ABORT_NEEDED, &vha->dpc_flags) && 247 !test_bit(ABORT_ISP_ACTIVE, &vha->dpc_flags) && 248 !test_bit(ISP_ABORT_RETRY, &vha->dpc_flags)) { 249 250 ql_log(ql_log_info, base_vha, 0x1161, 251 "Mailbox cmd timeout occurred, cmd=0x%x, " 252 "mb[0]=0x%x. Scheduling ISP abort ", 253 command, mcp->mb[0]); 254 255 set_bit(ABORT_ISP_ACTIVE, &vha->dpc_flags); 256 clear_bit(ISP_ABORT_NEEDED, &vha->dpc_flags); 257 if (ha->isp_ops->abort_isp(vha)) { 258 /* Failed. retry later. */ 259 set_bit(ISP_ABORT_NEEDED, 260 &vha->dpc_flags); 261 } 262 clear_bit(ABORT_ISP_ACTIVE, &vha->dpc_flags); 263 ql_dbg(ql_dbg_mbx, vha, 0x1162, 264 "Finished abort_isp.\n"); 265 } 266 } 267 } 268 269 premature_exit: 270 /* Allow next mbx cmd to come in. */ 271 complete(&ha->mbx_cmd_comp); 272 273 if (rval) { 274 ql_log(ql_log_warn, base_vha, 0x1163, 275 "**** Failed=%x mbx[0]=%x, mb[1]=%x, mb[2]=%x, mb[3]=%x, cmd=%x ****.\n", 276 rval, mcp->mb[0], mcp->mb[1], mcp->mb[2], mcp->mb[3], 277 command); 278 } else { 279 ql_dbg(ql_dbg_mbx, base_vha, 0x1164, "Done %s.\n", __func__); 280 } 281 282 return rval; 283 } 284 285 /* 286 * qlafx00_driver_shutdown 287 * Indicate a driver shutdown to firmware. 288 * 289 * Input: 290 * ha = adapter block pointer. 291 * 292 * Returns: 293 * local function return status code. 294 * 295 * Context: 296 * Kernel context. 297 */ 298 int 299 qlafx00_driver_shutdown(scsi_qla_host_t *vha, int tmo) 300 { 301 int rval; 302 struct mbx_cmd_32 mc; 303 struct mbx_cmd_32 *mcp = &mc; 304 305 ql_dbg(ql_dbg_mbx + ql_dbg_verbose, vha, 0x1166, 306 "Entered %s.\n", __func__); 307 308 mcp->mb[0] = MBC_MR_DRV_SHUTDOWN; 309 mcp->out_mb = MBX_0; 310 mcp->in_mb = MBX_0; 311 if (tmo) 312 mcp->tov = tmo; 313 else 314 mcp->tov = MBX_TOV_SECONDS; 315 mcp->flags = 0; 316 rval = qlafx00_mailbox_command(vha, mcp); 317 318 if (rval != QLA_SUCCESS) { 319 ql_dbg(ql_dbg_mbx, vha, 0x1167, 320 "Failed=%x.\n", rval); 321 } else { 322 ql_dbg(ql_dbg_mbx + ql_dbg_verbose, vha, 0x1168, 323 "Done %s.\n", __func__); 324 } 325 326 return rval; 327 } 328 329 /* 330 * qlafx00_get_firmware_state 331 * Get adapter firmware state. 332 * 333 * Input: 334 * ha = adapter block pointer. 335 * TARGET_QUEUE_LOCK must be released. 336 * ADAPTER_STATE_LOCK must be released. 337 * 338 * Returns: 339 * qla7xxx local function return status code. 340 * 341 * Context: 342 * Kernel context. 343 */ 344 static int 345 qlafx00_get_firmware_state(scsi_qla_host_t *vha, uint32_t *states) 346 { 347 int rval; 348 struct mbx_cmd_32 mc; 349 struct mbx_cmd_32 *mcp = &mc; 350 351 ql_dbg(ql_dbg_mbx + ql_dbg_verbose, vha, 0x1169, 352 "Entered %s.\n", __func__); 353 354 mcp->mb[0] = MBC_GET_FIRMWARE_STATE; 355 mcp->out_mb = MBX_0; 356 mcp->in_mb = MBX_1|MBX_0; 357 mcp->tov = MBX_TOV_SECONDS; 358 mcp->flags = 0; 359 rval = qlafx00_mailbox_command(vha, mcp); 360 361 /* Return firmware states. */ 362 states[0] = mcp->mb[1]; 363 364 if (rval != QLA_SUCCESS) { 365 ql_dbg(ql_dbg_mbx, vha, 0x116a, 366 "Failed=%x mb[0]=%x.\n", rval, mcp->mb[0]); 367 } else { 368 ql_dbg(ql_dbg_mbx + ql_dbg_verbose, vha, 0x116b, 369 "Done %s.\n", __func__); 370 } 371 return rval; 372 } 373 374 /* 375 * qlafx00_init_firmware 376 * Initialize adapter firmware. 377 * 378 * Input: 379 * ha = adapter block pointer. 380 * dptr = Initialization control block pointer. 381 * size = size of initialization control block. 382 * TARGET_QUEUE_LOCK must be released. 383 * ADAPTER_STATE_LOCK must be released. 384 * 385 * Returns: 386 * qlafx00 local function return status code. 387 * 388 * Context: 389 * Kernel context. 390 */ 391 int 392 qlafx00_init_firmware(scsi_qla_host_t *vha, uint16_t size) 393 { 394 int rval; 395 struct mbx_cmd_32 mc; 396 struct mbx_cmd_32 *mcp = &mc; 397 struct qla_hw_data *ha = vha->hw; 398 399 ql_dbg(ql_dbg_mbx + ql_dbg_verbose, vha, 0x116c, 400 "Entered %s.\n", __func__); 401 402 mcp->mb[0] = MBC_INITIALIZE_FIRMWARE; 403 404 mcp->mb[1] = 0; 405 mcp->mb[2] = MSD(ha->init_cb_dma); 406 mcp->mb[3] = LSD(ha->init_cb_dma); 407 408 mcp->out_mb = MBX_3|MBX_2|MBX_1|MBX_0; 409 mcp->in_mb = MBX_0; 410 mcp->buf_size = size; 411 mcp->flags = MBX_DMA_OUT; 412 mcp->tov = MBX_TOV_SECONDS; 413 rval = qlafx00_mailbox_command(vha, mcp); 414 415 if (rval != QLA_SUCCESS) { 416 ql_dbg(ql_dbg_mbx, vha, 0x116d, 417 "Failed=%x mb[0]=%x.\n", rval, mcp->mb[0]); 418 } else { 419 ql_dbg(ql_dbg_mbx + ql_dbg_verbose, vha, 0x116e, 420 "Done %s.\n", __func__); 421 } 422 return rval; 423 } 424 425 /* 426 * qlafx00_mbx_reg_test 427 */ 428 static int 429 qlafx00_mbx_reg_test(scsi_qla_host_t *vha) 430 { 431 int rval; 432 struct mbx_cmd_32 mc; 433 struct mbx_cmd_32 *mcp = &mc; 434 435 ql_dbg(ql_dbg_mbx + ql_dbg_verbose, vha, 0x116f, 436 "Entered %s.\n", __func__); 437 438 439 mcp->mb[0] = MBC_MAILBOX_REGISTER_TEST; 440 mcp->mb[1] = 0xAAAA; 441 mcp->mb[2] = 0x5555; 442 mcp->mb[3] = 0xAA55; 443 mcp->mb[4] = 0x55AA; 444 mcp->mb[5] = 0xA5A5; 445 mcp->mb[6] = 0x5A5A; 446 mcp->mb[7] = 0x2525; 447 mcp->mb[8] = 0xBBBB; 448 mcp->mb[9] = 0x6666; 449 mcp->mb[10] = 0xBB66; 450 mcp->mb[11] = 0x66BB; 451 mcp->mb[12] = 0xB6B6; 452 mcp->mb[13] = 0x6B6B; 453 mcp->mb[14] = 0x3636; 454 mcp->mb[15] = 0xCCCC; 455 456 457 mcp->out_mb = MBX_15|MBX_14|MBX_13|MBX_12|MBX_11|MBX_10|MBX_9|MBX_8| 458 MBX_7|MBX_6|MBX_5|MBX_4|MBX_3|MBX_2|MBX_1|MBX_0; 459 mcp->in_mb = MBX_15|MBX_14|MBX_13|MBX_12|MBX_11|MBX_10|MBX_9|MBX_8| 460 MBX_7|MBX_6|MBX_5|MBX_4|MBX_3|MBX_2|MBX_1|MBX_0; 461 mcp->buf_size = 0; 462 mcp->flags = MBX_DMA_OUT; 463 mcp->tov = MBX_TOV_SECONDS; 464 rval = qlafx00_mailbox_command(vha, mcp); 465 if (rval == QLA_SUCCESS) { 466 if (mcp->mb[17] != 0xAAAA || mcp->mb[18] != 0x5555 || 467 mcp->mb[19] != 0xAA55 || mcp->mb[20] != 0x55AA) 468 rval = QLA_FUNCTION_FAILED; 469 if (mcp->mb[21] != 0xA5A5 || mcp->mb[22] != 0x5A5A || 470 mcp->mb[23] != 0x2525 || mcp->mb[24] != 0xBBBB) 471 rval = QLA_FUNCTION_FAILED; 472 if (mcp->mb[25] != 0x6666 || mcp->mb[26] != 0xBB66 || 473 mcp->mb[27] != 0x66BB || mcp->mb[28] != 0xB6B6) 474 rval = QLA_FUNCTION_FAILED; 475 if (mcp->mb[29] != 0x6B6B || mcp->mb[30] != 0x3636 || 476 mcp->mb[31] != 0xCCCC) 477 rval = QLA_FUNCTION_FAILED; 478 } 479 480 if (rval != QLA_SUCCESS) { 481 ql_dbg(ql_dbg_mbx, vha, 0x1170, 482 "Failed=%x mb[0]=%x.\n", rval, mcp->mb[0]); 483 } else { 484 ql_dbg(ql_dbg_mbx + ql_dbg_verbose, vha, 0x1171, 485 "Done %s.\n", __func__); 486 } 487 return rval; 488 } 489 490 /** 491 * qlafx00_pci_config() - Setup ISPFx00 PCI configuration registers. 492 * @vha: HA context 493 * 494 * Returns 0 on success. 495 */ 496 int 497 qlafx00_pci_config(scsi_qla_host_t *vha) 498 { 499 uint16_t w; 500 struct qla_hw_data *ha = vha->hw; 501 502 pci_set_master(ha->pdev); 503 pci_try_set_mwi(ha->pdev); 504 505 pci_read_config_word(ha->pdev, PCI_COMMAND, &w); 506 w |= (PCI_COMMAND_PARITY | PCI_COMMAND_SERR); 507 w &= ~PCI_COMMAND_INTX_DISABLE; 508 pci_write_config_word(ha->pdev, PCI_COMMAND, w); 509 510 /* PCIe -- adjust Maximum Read Request Size (2048). */ 511 if (pci_is_pcie(ha->pdev)) 512 pcie_set_readrq(ha->pdev, 2048); 513 514 ha->chip_revision = ha->pdev->revision; 515 516 return QLA_SUCCESS; 517 } 518 519 /** 520 * qlafx00_warm_reset() - Perform warm reset of iSA(CPUs being reset on SOC). 521 * @vha: HA context 522 * 523 */ 524 static inline void 525 qlafx00_soc_cpu_reset(scsi_qla_host_t *vha) 526 { 527 unsigned long flags = 0; 528 struct qla_hw_data *ha = vha->hw; 529 int i, core; 530 uint32_t cnt; 531 uint32_t reg_val; 532 533 spin_lock_irqsave(&ha->hardware_lock, flags); 534 535 QLAFX00_SET_HBA_SOC_REG(ha, 0x80004, 0); 536 QLAFX00_SET_HBA_SOC_REG(ha, 0x82004, 0); 537 538 /* stop the XOR DMA engines */ 539 QLAFX00_SET_HBA_SOC_REG(ha, 0x60920, 0x02); 540 QLAFX00_SET_HBA_SOC_REG(ha, 0x60924, 0x02); 541 QLAFX00_SET_HBA_SOC_REG(ha, 0xf0920, 0x02); 542 QLAFX00_SET_HBA_SOC_REG(ha, 0xf0924, 0x02); 543 544 /* stop the IDMA engines */ 545 reg_val = QLAFX00_GET_HBA_SOC_REG(ha, 0x60840); 546 reg_val &= ~(1<<12); 547 QLAFX00_SET_HBA_SOC_REG(ha, 0x60840, reg_val); 548 549 reg_val = QLAFX00_GET_HBA_SOC_REG(ha, 0x60844); 550 reg_val &= ~(1<<12); 551 QLAFX00_SET_HBA_SOC_REG(ha, 0x60844, reg_val); 552 553 reg_val = QLAFX00_GET_HBA_SOC_REG(ha, 0x60848); 554 reg_val &= ~(1<<12); 555 QLAFX00_SET_HBA_SOC_REG(ha, 0x60848, reg_val); 556 557 reg_val = QLAFX00_GET_HBA_SOC_REG(ha, 0x6084C); 558 reg_val &= ~(1<<12); 559 QLAFX00_SET_HBA_SOC_REG(ha, 0x6084C, reg_val); 560 561 for (i = 0; i < 100000; i++) { 562 if ((QLAFX00_GET_HBA_SOC_REG(ha, 0xd0000) & 0x10000000) == 0 && 563 (QLAFX00_GET_HBA_SOC_REG(ha, 0x10600) & 0x1) == 0) 564 break; 565 udelay(100); 566 } 567 568 /* Set all 4 cores in reset */ 569 for (i = 0; i < 4; i++) { 570 QLAFX00_SET_HBA_SOC_REG(ha, 571 (SOC_SW_RST_CONTROL_REG_CORE0 + 8*i), (0xF01)); 572 QLAFX00_SET_HBA_SOC_REG(ha, 573 (SOC_SW_RST_CONTROL_REG_CORE0 + 4 + 8*i), (0x01010101)); 574 } 575 576 /* Reset all units in Fabric */ 577 QLAFX00_SET_HBA_SOC_REG(ha, SOC_FABRIC_RST_CONTROL_REG, (0x011f0101)); 578 579 /* */ 580 QLAFX00_SET_HBA_SOC_REG(ha, 0x10610, 1); 581 QLAFX00_SET_HBA_SOC_REG(ha, 0x10600, 0); 582 583 /* Set all 4 core Memory Power Down Registers */ 584 for (i = 0; i < 5; i++) { 585 QLAFX00_SET_HBA_SOC_REG(ha, 586 (SOC_PWR_MANAGEMENT_PWR_DOWN_REG + 4*i), (0x0)); 587 } 588 589 /* Reset all interrupt control registers */ 590 for (i = 0; i < 115; i++) { 591 QLAFX00_SET_HBA_SOC_REG(ha, 592 (SOC_INTERRUPT_SOURCE_I_CONTROL_REG + 4*i), (0x0)); 593 } 594 595 /* Reset Timers control registers. per core */ 596 for (core = 0; core < 4; core++) 597 for (i = 0; i < 8; i++) 598 QLAFX00_SET_HBA_SOC_REG(ha, 599 (SOC_CORE_TIMER_REG + 0x100*core + 4*i), (0x0)); 600 601 /* Reset per core IRQ ack register */ 602 for (core = 0; core < 4; core++) 603 QLAFX00_SET_HBA_SOC_REG(ha, 604 (SOC_IRQ_ACK_REG + 0x100*core), (0x3FF)); 605 606 /* Set Fabric control and config to defaults */ 607 QLAFX00_SET_HBA_SOC_REG(ha, SOC_FABRIC_CONTROL_REG, (0x2)); 608 QLAFX00_SET_HBA_SOC_REG(ha, SOC_FABRIC_CONFIG_REG, (0x3)); 609 610 /* Kick in Fabric units */ 611 QLAFX00_SET_HBA_SOC_REG(ha, SOC_FABRIC_RST_CONTROL_REG, (0x0)); 612 613 /* Kick in Core0 to start boot process */ 614 QLAFX00_SET_HBA_SOC_REG(ha, SOC_SW_RST_CONTROL_REG_CORE0, (0xF00)); 615 616 spin_unlock_irqrestore(&ha->hardware_lock, flags); 617 618 /* Wait 10secs for soft-reset to complete. */ 619 for (cnt = 10; cnt; cnt--) { 620 msleep(1000); 621 barrier(); 622 } 623 } 624 625 /** 626 * qlafx00_soft_reset() - Soft Reset ISPFx00. 627 * @vha: HA context 628 * 629 * Returns 0 on success. 630 */ 631 int 632 qlafx00_soft_reset(scsi_qla_host_t *vha) 633 { 634 struct qla_hw_data *ha = vha->hw; 635 int rval = QLA_FUNCTION_FAILED; 636 637 if (unlikely(pci_channel_offline(ha->pdev) && 638 ha->flags.pci_channel_io_perm_failure)) 639 return rval; 640 641 ha->isp_ops->disable_intrs(ha); 642 qlafx00_soc_cpu_reset(vha); 643 644 return QLA_SUCCESS; 645 } 646 647 /** 648 * qlafx00_chip_diag() - Test ISPFx00 for proper operation. 649 * @vha: HA context 650 * 651 * Returns 0 on success. 652 */ 653 int 654 qlafx00_chip_diag(scsi_qla_host_t *vha) 655 { 656 int rval = 0; 657 struct qla_hw_data *ha = vha->hw; 658 struct req_que *req = ha->req_q_map[0]; 659 660 ha->fw_transfer_size = REQUEST_ENTRY_SIZE * req->length; 661 662 rval = qlafx00_mbx_reg_test(vha); 663 if (rval) { 664 ql_log(ql_log_warn, vha, 0x1165, 665 "Failed mailbox send register test\n"); 666 } else { 667 /* Flag a successful rval */ 668 rval = QLA_SUCCESS; 669 } 670 return rval; 671 } 672 673 void 674 qlafx00_config_rings(struct scsi_qla_host *vha) 675 { 676 struct qla_hw_data *ha = vha->hw; 677 struct device_reg_fx00 __iomem *reg = &ha->iobase->ispfx00; 678 679 WRT_REG_DWORD(®->req_q_in, 0); 680 WRT_REG_DWORD(®->req_q_out, 0); 681 682 WRT_REG_DWORD(®->rsp_q_in, 0); 683 WRT_REG_DWORD(®->rsp_q_out, 0); 684 685 /* PCI posting */ 686 RD_REG_DWORD(®->rsp_q_out); 687 } 688 689 char * 690 qlafx00_pci_info_str(struct scsi_qla_host *vha, char *str, size_t str_len) 691 { 692 struct qla_hw_data *ha = vha->hw; 693 694 if (pci_is_pcie(ha->pdev)) 695 strlcpy(str, "PCIe iSA", str_len); 696 return str; 697 } 698 699 char * 700 qlafx00_fw_version_str(struct scsi_qla_host *vha, char *str, size_t size) 701 { 702 struct qla_hw_data *ha = vha->hw; 703 704 snprintf(str, size, "%s", ha->mr.fw_version); 705 return str; 706 } 707 708 void 709 qlafx00_enable_intrs(struct qla_hw_data *ha) 710 { 711 unsigned long flags = 0; 712 713 spin_lock_irqsave(&ha->hardware_lock, flags); 714 ha->interrupts_on = 1; 715 QLAFX00_ENABLE_ICNTRL_REG(ha); 716 spin_unlock_irqrestore(&ha->hardware_lock, flags); 717 } 718 719 void 720 qlafx00_disable_intrs(struct qla_hw_data *ha) 721 { 722 unsigned long flags = 0; 723 724 spin_lock_irqsave(&ha->hardware_lock, flags); 725 ha->interrupts_on = 0; 726 QLAFX00_DISABLE_ICNTRL_REG(ha); 727 spin_unlock_irqrestore(&ha->hardware_lock, flags); 728 } 729 730 int 731 qlafx00_abort_target(fc_port_t *fcport, uint64_t l, int tag) 732 { 733 return qla2x00_async_tm_cmd(fcport, TCF_TARGET_RESET, l, tag); 734 } 735 736 int 737 qlafx00_lun_reset(fc_port_t *fcport, uint64_t l, int tag) 738 { 739 return qla2x00_async_tm_cmd(fcport, TCF_LUN_RESET, l, tag); 740 } 741 742 int 743 qlafx00_loop_reset(scsi_qla_host_t *vha) 744 { 745 int ret; 746 struct fc_port *fcport; 747 struct qla_hw_data *ha = vha->hw; 748 749 if (ql2xtargetreset) { 750 list_for_each_entry(fcport, &vha->vp_fcports, list) { 751 if (fcport->port_type != FCT_TARGET) 752 continue; 753 754 ret = ha->isp_ops->target_reset(fcport, 0, 0); 755 if (ret != QLA_SUCCESS) { 756 ql_dbg(ql_dbg_taskm, vha, 0x803d, 757 "Bus Reset failed: Reset=%d " 758 "d_id=%x.\n", ret, fcport->d_id.b24); 759 } 760 } 761 } 762 return QLA_SUCCESS; 763 } 764 765 int 766 qlafx00_iospace_config(struct qla_hw_data *ha) 767 { 768 if (pci_request_selected_regions(ha->pdev, ha->bars, 769 QLA2XXX_DRIVER_NAME)) { 770 ql_log_pci(ql_log_fatal, ha->pdev, 0x014e, 771 "Failed to reserve PIO/MMIO regions (%s), aborting.\n", 772 pci_name(ha->pdev)); 773 goto iospace_error_exit; 774 } 775 776 /* Use MMIO operations for all accesses. */ 777 if (!(pci_resource_flags(ha->pdev, 0) & IORESOURCE_MEM)) { 778 ql_log_pci(ql_log_warn, ha->pdev, 0x014f, 779 "Invalid pci I/O region size (%s).\n", 780 pci_name(ha->pdev)); 781 goto iospace_error_exit; 782 } 783 if (pci_resource_len(ha->pdev, 0) < BAR0_LEN_FX00) { 784 ql_log_pci(ql_log_warn, ha->pdev, 0x0127, 785 "Invalid PCI mem BAR0 region size (%s), aborting\n", 786 pci_name(ha->pdev)); 787 goto iospace_error_exit; 788 } 789 790 ha->cregbase = 791 ioremap(pci_resource_start(ha->pdev, 0), BAR0_LEN_FX00); 792 if (!ha->cregbase) { 793 ql_log_pci(ql_log_fatal, ha->pdev, 0x0128, 794 "cannot remap MMIO (%s), aborting\n", pci_name(ha->pdev)); 795 goto iospace_error_exit; 796 } 797 798 if (!(pci_resource_flags(ha->pdev, 2) & IORESOURCE_MEM)) { 799 ql_log_pci(ql_log_warn, ha->pdev, 0x0129, 800 "region #2 not an MMIO resource (%s), aborting\n", 801 pci_name(ha->pdev)); 802 goto iospace_error_exit; 803 } 804 if (pci_resource_len(ha->pdev, 2) < BAR2_LEN_FX00) { 805 ql_log_pci(ql_log_warn, ha->pdev, 0x012a, 806 "Invalid PCI mem BAR2 region size (%s), aborting\n", 807 pci_name(ha->pdev)); 808 goto iospace_error_exit; 809 } 810 811 ha->iobase = 812 ioremap(pci_resource_start(ha->pdev, 2), BAR2_LEN_FX00); 813 if (!ha->iobase) { 814 ql_log_pci(ql_log_fatal, ha->pdev, 0x012b, 815 "cannot remap MMIO (%s), aborting\n", pci_name(ha->pdev)); 816 goto iospace_error_exit; 817 } 818 819 /* Determine queue resources */ 820 ha->max_req_queues = ha->max_rsp_queues = 1; 821 822 ql_log_pci(ql_log_info, ha->pdev, 0x012c, 823 "Bars 0x%x, iobase0 0x%p, iobase2 0x%p\n", 824 ha->bars, ha->cregbase, ha->iobase); 825 826 return 0; 827 828 iospace_error_exit: 829 return -ENOMEM; 830 } 831 832 static void 833 qlafx00_save_queue_ptrs(struct scsi_qla_host *vha) 834 { 835 struct qla_hw_data *ha = vha->hw; 836 struct req_que *req = ha->req_q_map[0]; 837 struct rsp_que *rsp = ha->rsp_q_map[0]; 838 839 req->length_fx00 = req->length; 840 req->ring_fx00 = req->ring; 841 req->dma_fx00 = req->dma; 842 843 rsp->length_fx00 = rsp->length; 844 rsp->ring_fx00 = rsp->ring; 845 rsp->dma_fx00 = rsp->dma; 846 847 ql_dbg(ql_dbg_init, vha, 0x012d, 848 "req: %p, ring_fx00: %p, length_fx00: 0x%x," 849 "req->dma_fx00: 0x%llx\n", req, req->ring_fx00, 850 req->length_fx00, (u64)req->dma_fx00); 851 852 ql_dbg(ql_dbg_init, vha, 0x012e, 853 "rsp: %p, ring_fx00: %p, length_fx00: 0x%x," 854 "rsp->dma_fx00: 0x%llx\n", rsp, rsp->ring_fx00, 855 rsp->length_fx00, (u64)rsp->dma_fx00); 856 } 857 858 static int 859 qlafx00_config_queues(struct scsi_qla_host *vha) 860 { 861 struct qla_hw_data *ha = vha->hw; 862 struct req_que *req = ha->req_q_map[0]; 863 struct rsp_que *rsp = ha->rsp_q_map[0]; 864 dma_addr_t bar2_hdl = pci_resource_start(ha->pdev, 2); 865 866 req->length = ha->req_que_len; 867 req->ring = (void __force *)ha->iobase + ha->req_que_off; 868 req->dma = bar2_hdl + ha->req_que_off; 869 if ((!req->ring) || (req->length == 0)) { 870 ql_log_pci(ql_log_info, ha->pdev, 0x012f, 871 "Unable to allocate memory for req_ring\n"); 872 return QLA_FUNCTION_FAILED; 873 } 874 875 ql_dbg(ql_dbg_init, vha, 0x0130, 876 "req: %p req_ring pointer %p req len 0x%x " 877 "req off 0x%x\n, req->dma: 0x%llx", 878 req, req->ring, req->length, 879 ha->req_que_off, (u64)req->dma); 880 881 rsp->length = ha->rsp_que_len; 882 rsp->ring = (void __force *)ha->iobase + ha->rsp_que_off; 883 rsp->dma = bar2_hdl + ha->rsp_que_off; 884 if ((!rsp->ring) || (rsp->length == 0)) { 885 ql_log_pci(ql_log_info, ha->pdev, 0x0131, 886 "Unable to allocate memory for rsp_ring\n"); 887 return QLA_FUNCTION_FAILED; 888 } 889 890 ql_dbg(ql_dbg_init, vha, 0x0132, 891 "rsp: %p rsp_ring pointer %p rsp len 0x%x " 892 "rsp off 0x%x, rsp->dma: 0x%llx\n", 893 rsp, rsp->ring, rsp->length, 894 ha->rsp_que_off, (u64)rsp->dma); 895 896 return QLA_SUCCESS; 897 } 898 899 static int 900 qlafx00_init_fw_ready(scsi_qla_host_t *vha) 901 { 902 int rval = 0; 903 unsigned long wtime; 904 uint16_t wait_time; /* Wait time */ 905 struct qla_hw_data *ha = vha->hw; 906 struct device_reg_fx00 __iomem *reg = &ha->iobase->ispfx00; 907 uint32_t aenmbx, aenmbx7 = 0; 908 uint32_t pseudo_aen; 909 uint32_t state[5]; 910 bool done = false; 911 912 /* 30 seconds wait - Adjust if required */ 913 wait_time = 30; 914 915 pseudo_aen = RD_REG_DWORD(®->pseudoaen); 916 if (pseudo_aen == 1) { 917 aenmbx7 = RD_REG_DWORD(®->initval7); 918 ha->mbx_intr_code = MSW(aenmbx7); 919 ha->rqstq_intr_code = LSW(aenmbx7); 920 rval = qlafx00_driver_shutdown(vha, 10); 921 if (rval != QLA_SUCCESS) 922 qlafx00_soft_reset(vha); 923 } 924 925 /* wait time before firmware ready */ 926 wtime = jiffies + (wait_time * HZ); 927 do { 928 aenmbx = RD_REG_DWORD(®->aenmailbox0); 929 barrier(); 930 ql_dbg(ql_dbg_mbx, vha, 0x0133, 931 "aenmbx: 0x%x\n", aenmbx); 932 933 switch (aenmbx) { 934 case MBA_FW_NOT_STARTED: 935 case MBA_FW_STARTING: 936 break; 937 938 case MBA_SYSTEM_ERR: 939 case MBA_REQ_TRANSFER_ERR: 940 case MBA_RSP_TRANSFER_ERR: 941 case MBA_FW_INIT_FAILURE: 942 qlafx00_soft_reset(vha); 943 break; 944 945 case MBA_FW_RESTART_CMPLT: 946 /* Set the mbx and rqstq intr code */ 947 aenmbx7 = RD_REG_DWORD(®->aenmailbox7); 948 ha->mbx_intr_code = MSW(aenmbx7); 949 ha->rqstq_intr_code = LSW(aenmbx7); 950 ha->req_que_off = RD_REG_DWORD(®->aenmailbox1); 951 ha->rsp_que_off = RD_REG_DWORD(®->aenmailbox3); 952 ha->req_que_len = RD_REG_DWORD(®->aenmailbox5); 953 ha->rsp_que_len = RD_REG_DWORD(®->aenmailbox6); 954 WRT_REG_DWORD(®->aenmailbox0, 0); 955 RD_REG_DWORD_RELAXED(®->aenmailbox0); 956 ql_dbg(ql_dbg_init, vha, 0x0134, 957 "f/w returned mbx_intr_code: 0x%x, " 958 "rqstq_intr_code: 0x%x\n", 959 ha->mbx_intr_code, ha->rqstq_intr_code); 960 QLAFX00_CLR_INTR_REG(ha, QLAFX00_HST_INT_STS_BITS); 961 rval = QLA_SUCCESS; 962 done = true; 963 break; 964 965 default: 966 if ((aenmbx & 0xFF00) == MBA_FW_INIT_INPROGRESS) 967 break; 968 969 /* If fw is apparently not ready. In order to continue, 970 * we might need to issue Mbox cmd, but the problem is 971 * that the DoorBell vector values that come with the 972 * 8060 AEN are most likely gone by now (and thus no 973 * bell would be rung on the fw side when mbox cmd is 974 * issued). We have to therefore grab the 8060 AEN 975 * shadow regs (filled in by FW when the last 8060 976 * AEN was being posted). 977 * Do the following to determine what is needed in 978 * order to get the FW ready: 979 * 1. reload the 8060 AEN values from the shadow regs 980 * 2. clear int status to get rid of possible pending 981 * interrupts 982 * 3. issue Get FW State Mbox cmd to determine fw state 983 * Set the mbx and rqstq intr code from Shadow Regs 984 */ 985 aenmbx7 = RD_REG_DWORD(®->initval7); 986 ha->mbx_intr_code = MSW(aenmbx7); 987 ha->rqstq_intr_code = LSW(aenmbx7); 988 ha->req_que_off = RD_REG_DWORD(®->initval1); 989 ha->rsp_que_off = RD_REG_DWORD(®->initval3); 990 ha->req_que_len = RD_REG_DWORD(®->initval5); 991 ha->rsp_que_len = RD_REG_DWORD(®->initval6); 992 ql_dbg(ql_dbg_init, vha, 0x0135, 993 "f/w returned mbx_intr_code: 0x%x, " 994 "rqstq_intr_code: 0x%x\n", 995 ha->mbx_intr_code, ha->rqstq_intr_code); 996 QLAFX00_CLR_INTR_REG(ha, QLAFX00_HST_INT_STS_BITS); 997 998 /* Get the FW state */ 999 rval = qlafx00_get_firmware_state(vha, state); 1000 if (rval != QLA_SUCCESS) { 1001 /* Retry if timer has not expired */ 1002 break; 1003 } 1004 1005 if (state[0] == FSTATE_FX00_CONFIG_WAIT) { 1006 /* Firmware is waiting to be 1007 * initialized by driver 1008 */ 1009 rval = QLA_SUCCESS; 1010 done = true; 1011 break; 1012 } 1013 1014 /* Issue driver shutdown and wait until f/w recovers. 1015 * Driver should continue to poll until 8060 AEN is 1016 * received indicating firmware recovery. 1017 */ 1018 ql_dbg(ql_dbg_init, vha, 0x0136, 1019 "Sending Driver shutdown fw_state 0x%x\n", 1020 state[0]); 1021 1022 rval = qlafx00_driver_shutdown(vha, 10); 1023 if (rval != QLA_SUCCESS) { 1024 rval = QLA_FUNCTION_FAILED; 1025 break; 1026 } 1027 msleep(500); 1028 1029 wtime = jiffies + (wait_time * HZ); 1030 break; 1031 } 1032 1033 if (!done) { 1034 if (time_after_eq(jiffies, wtime)) { 1035 ql_dbg(ql_dbg_init, vha, 0x0137, 1036 "Init f/w failed: aen[7]: 0x%x\n", 1037 RD_REG_DWORD(®->aenmailbox7)); 1038 rval = QLA_FUNCTION_FAILED; 1039 done = true; 1040 break; 1041 } 1042 /* Delay for a while */ 1043 msleep(500); 1044 } 1045 } while (!done); 1046 1047 if (rval) 1048 ql_dbg(ql_dbg_init, vha, 0x0138, 1049 "%s **** FAILED ****.\n", __func__); 1050 else 1051 ql_dbg(ql_dbg_init, vha, 0x0139, 1052 "%s **** SUCCESS ****.\n", __func__); 1053 1054 return rval; 1055 } 1056 1057 /* 1058 * qlafx00_fw_ready() - Waits for firmware ready. 1059 * @ha: HA context 1060 * 1061 * Returns 0 on success. 1062 */ 1063 int 1064 qlafx00_fw_ready(scsi_qla_host_t *vha) 1065 { 1066 int rval; 1067 unsigned long wtime; 1068 uint16_t wait_time; /* Wait time if loop is coming ready */ 1069 uint32_t state[5]; 1070 1071 rval = QLA_SUCCESS; 1072 1073 wait_time = 10; 1074 1075 /* wait time before firmware ready */ 1076 wtime = jiffies + (wait_time * HZ); 1077 1078 /* Wait for ISP to finish init */ 1079 if (!vha->flags.init_done) 1080 ql_dbg(ql_dbg_init, vha, 0x013a, 1081 "Waiting for init to complete...\n"); 1082 1083 do { 1084 rval = qlafx00_get_firmware_state(vha, state); 1085 1086 if (rval == QLA_SUCCESS) { 1087 if (state[0] == FSTATE_FX00_INITIALIZED) { 1088 ql_dbg(ql_dbg_init, vha, 0x013b, 1089 "fw_state=%x\n", state[0]); 1090 rval = QLA_SUCCESS; 1091 break; 1092 } 1093 } 1094 rval = QLA_FUNCTION_FAILED; 1095 1096 if (time_after_eq(jiffies, wtime)) 1097 break; 1098 1099 /* Delay for a while */ 1100 msleep(500); 1101 1102 ql_dbg(ql_dbg_init, vha, 0x013c, 1103 "fw_state=%x curr time=%lx.\n", state[0], jiffies); 1104 } while (1); 1105 1106 1107 if (rval) 1108 ql_dbg(ql_dbg_init, vha, 0x013d, 1109 "Firmware ready **** FAILED ****.\n"); 1110 else 1111 ql_dbg(ql_dbg_init, vha, 0x013e, 1112 "Firmware ready **** SUCCESS ****.\n"); 1113 1114 return rval; 1115 } 1116 1117 static int 1118 qlafx00_find_all_targets(scsi_qla_host_t *vha, 1119 struct list_head *new_fcports) 1120 { 1121 int rval; 1122 uint16_t tgt_id; 1123 fc_port_t *fcport, *new_fcport; 1124 int found; 1125 struct qla_hw_data *ha = vha->hw; 1126 1127 rval = QLA_SUCCESS; 1128 1129 if (!test_bit(LOOP_RESYNC_ACTIVE, &vha->dpc_flags)) 1130 return QLA_FUNCTION_FAILED; 1131 1132 if ((atomic_read(&vha->loop_down_timer) || 1133 STATE_TRANSITION(vha))) { 1134 atomic_set(&vha->loop_down_timer, 0); 1135 set_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags); 1136 return QLA_FUNCTION_FAILED; 1137 } 1138 1139 ql_dbg(ql_dbg_disc + ql_dbg_init, vha, 0x2088, 1140 "Listing Target bit map...\n"); 1141 ql_dump_buffer(ql_dbg_disc + ql_dbg_init, vha, 0x2089, 1142 ha->gid_list, 32); 1143 1144 /* Allocate temporary rmtport for any new rmtports discovered. */ 1145 new_fcport = qla2x00_alloc_fcport(vha, GFP_KERNEL); 1146 if (new_fcport == NULL) 1147 return QLA_MEMORY_ALLOC_FAILED; 1148 1149 for_each_set_bit(tgt_id, (void *)ha->gid_list, 1150 QLAFX00_TGT_NODE_LIST_SIZE) { 1151 1152 /* Send get target node info */ 1153 new_fcport->tgt_id = tgt_id; 1154 rval = qlafx00_fx_disc(vha, new_fcport, 1155 FXDISC_GET_TGT_NODE_INFO); 1156 if (rval != QLA_SUCCESS) { 1157 ql_log(ql_log_warn, vha, 0x208a, 1158 "Target info scan failed -- assuming zero-entry " 1159 "result...\n"); 1160 continue; 1161 } 1162 1163 /* Locate matching device in database. */ 1164 found = 0; 1165 list_for_each_entry(fcport, &vha->vp_fcports, list) { 1166 if (memcmp(new_fcport->port_name, 1167 fcport->port_name, WWN_SIZE)) 1168 continue; 1169 1170 found++; 1171 1172 /* 1173 * If tgt_id is same and state FCS_ONLINE, nothing 1174 * changed. 1175 */ 1176 if (fcport->tgt_id == new_fcport->tgt_id && 1177 atomic_read(&fcport->state) == FCS_ONLINE) 1178 break; 1179 1180 /* 1181 * Tgt ID changed or device was marked to be updated. 1182 */ 1183 ql_dbg(ql_dbg_disc + ql_dbg_init, vha, 0x208b, 1184 "TGT-ID Change(%s): Present tgt id: " 1185 "0x%x state: 0x%x " 1186 "wwnn = %llx wwpn = %llx.\n", 1187 __func__, fcport->tgt_id, 1188 atomic_read(&fcport->state), 1189 (unsigned long long)wwn_to_u64(fcport->node_name), 1190 (unsigned long long)wwn_to_u64(fcport->port_name)); 1191 1192 ql_log(ql_log_info, vha, 0x208c, 1193 "TGT-ID Announce(%s): Discovered tgt " 1194 "id 0x%x wwnn = %llx " 1195 "wwpn = %llx.\n", __func__, new_fcport->tgt_id, 1196 (unsigned long long) 1197 wwn_to_u64(new_fcport->node_name), 1198 (unsigned long long) 1199 wwn_to_u64(new_fcport->port_name)); 1200 1201 if (atomic_read(&fcport->state) != FCS_ONLINE) { 1202 fcport->old_tgt_id = fcport->tgt_id; 1203 fcport->tgt_id = new_fcport->tgt_id; 1204 ql_log(ql_log_info, vha, 0x208d, 1205 "TGT-ID: New fcport Added: %p\n", fcport); 1206 qla2x00_update_fcport(vha, fcport); 1207 } else { 1208 ql_log(ql_log_info, vha, 0x208e, 1209 " Existing TGT-ID %x did not get " 1210 " offline event from firmware.\n", 1211 fcport->old_tgt_id); 1212 qla2x00_mark_device_lost(vha, fcport, 0); 1213 set_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags); 1214 qla2x00_free_fcport(new_fcport); 1215 return rval; 1216 } 1217 break; 1218 } 1219 1220 if (found) 1221 continue; 1222 1223 /* If device was not in our fcports list, then add it. */ 1224 list_add_tail(&new_fcport->list, new_fcports); 1225 1226 /* Allocate a new replacement fcport. */ 1227 new_fcport = qla2x00_alloc_fcport(vha, GFP_KERNEL); 1228 if (new_fcport == NULL) 1229 return QLA_MEMORY_ALLOC_FAILED; 1230 } 1231 1232 qla2x00_free_fcport(new_fcport); 1233 return rval; 1234 } 1235 1236 /* 1237 * qlafx00_configure_all_targets 1238 * Setup target devices with node ID's. 1239 * 1240 * Input: 1241 * ha = adapter block pointer. 1242 * 1243 * Returns: 1244 * 0 = success. 1245 * BIT_0 = error 1246 */ 1247 static int 1248 qlafx00_configure_all_targets(scsi_qla_host_t *vha) 1249 { 1250 int rval; 1251 fc_port_t *fcport, *rmptemp; 1252 LIST_HEAD(new_fcports); 1253 1254 rval = qlafx00_fx_disc(vha, &vha->hw->mr.fcport, 1255 FXDISC_GET_TGT_NODE_LIST); 1256 if (rval != QLA_SUCCESS) { 1257 set_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags); 1258 return rval; 1259 } 1260 1261 rval = qlafx00_find_all_targets(vha, &new_fcports); 1262 if (rval != QLA_SUCCESS) { 1263 set_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags); 1264 return rval; 1265 } 1266 1267 /* 1268 * Delete all previous devices marked lost. 1269 */ 1270 list_for_each_entry(fcport, &vha->vp_fcports, list) { 1271 if (test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags)) 1272 break; 1273 1274 if (atomic_read(&fcport->state) == FCS_DEVICE_LOST) { 1275 if (fcport->port_type != FCT_INITIATOR) 1276 qla2x00_mark_device_lost(vha, fcport, 0); 1277 } 1278 } 1279 1280 /* 1281 * Add the new devices to our devices list. 1282 */ 1283 list_for_each_entry_safe(fcport, rmptemp, &new_fcports, list) { 1284 if (test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags)) 1285 break; 1286 1287 qla2x00_update_fcport(vha, fcport); 1288 list_move_tail(&fcport->list, &vha->vp_fcports); 1289 ql_log(ql_log_info, vha, 0x208f, 1290 "Attach new target id 0x%x wwnn = %llx " 1291 "wwpn = %llx.\n", 1292 fcport->tgt_id, 1293 (unsigned long long)wwn_to_u64(fcport->node_name), 1294 (unsigned long long)wwn_to_u64(fcport->port_name)); 1295 } 1296 1297 /* Free all new device structures not processed. */ 1298 list_for_each_entry_safe(fcport, rmptemp, &new_fcports, list) { 1299 list_del(&fcport->list); 1300 qla2x00_free_fcport(fcport); 1301 } 1302 1303 return rval; 1304 } 1305 1306 /* 1307 * qlafx00_configure_devices 1308 * Updates Fibre Channel Device Database with what is actually on loop. 1309 * 1310 * Input: 1311 * ha = adapter block pointer. 1312 * 1313 * Returns: 1314 * 0 = success. 1315 * 1 = error. 1316 * 2 = database was full and device was not configured. 1317 */ 1318 int 1319 qlafx00_configure_devices(scsi_qla_host_t *vha) 1320 { 1321 int rval; 1322 unsigned long flags; 1323 1324 rval = QLA_SUCCESS; 1325 1326 flags = vha->dpc_flags; 1327 1328 ql_dbg(ql_dbg_disc, vha, 0x2090, 1329 "Configure devices -- dpc flags =0x%lx\n", flags); 1330 1331 rval = qlafx00_configure_all_targets(vha); 1332 1333 if (rval == QLA_SUCCESS) { 1334 if (test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags)) { 1335 rval = QLA_FUNCTION_FAILED; 1336 } else { 1337 atomic_set(&vha->loop_state, LOOP_READY); 1338 ql_log(ql_log_info, vha, 0x2091, 1339 "Device Ready\n"); 1340 } 1341 } 1342 1343 if (rval) { 1344 ql_dbg(ql_dbg_disc, vha, 0x2092, 1345 "%s *** FAILED ***.\n", __func__); 1346 } else { 1347 ql_dbg(ql_dbg_disc, vha, 0x2093, 1348 "%s: exiting normally.\n", __func__); 1349 } 1350 return rval; 1351 } 1352 1353 static void 1354 qlafx00_abort_isp_cleanup(scsi_qla_host_t *vha, bool critemp) 1355 { 1356 struct qla_hw_data *ha = vha->hw; 1357 fc_port_t *fcport; 1358 1359 vha->flags.online = 0; 1360 ha->mr.fw_hbt_en = 0; 1361 1362 if (!critemp) { 1363 ha->flags.chip_reset_done = 0; 1364 clear_bit(ISP_ABORT_NEEDED, &vha->dpc_flags); 1365 vha->qla_stats.total_isp_aborts++; 1366 ql_log(ql_log_info, vha, 0x013f, 1367 "Performing ISP error recovery - ha = %p.\n", ha); 1368 ha->isp_ops->reset_chip(vha); 1369 } 1370 1371 if (atomic_read(&vha->loop_state) != LOOP_DOWN) { 1372 atomic_set(&vha->loop_state, LOOP_DOWN); 1373 atomic_set(&vha->loop_down_timer, 1374 QLAFX00_LOOP_DOWN_TIME); 1375 } else { 1376 if (!atomic_read(&vha->loop_down_timer)) 1377 atomic_set(&vha->loop_down_timer, 1378 QLAFX00_LOOP_DOWN_TIME); 1379 } 1380 1381 /* Clear all async request states across all VPs. */ 1382 list_for_each_entry(fcport, &vha->vp_fcports, list) { 1383 fcport->flags = 0; 1384 if (atomic_read(&fcport->state) == FCS_ONLINE) 1385 qla2x00_set_fcport_state(fcport, FCS_DEVICE_LOST); 1386 } 1387 1388 if (!ha->flags.eeh_busy) { 1389 if (critemp) { 1390 qla2x00_abort_all_cmds(vha, DID_NO_CONNECT << 16); 1391 } else { 1392 /* Requeue all commands in outstanding command list. */ 1393 qla2x00_abort_all_cmds(vha, DID_RESET << 16); 1394 } 1395 } 1396 1397 qla2x00_free_irqs(vha); 1398 if (critemp) 1399 set_bit(FX00_CRITEMP_RECOVERY, &vha->dpc_flags); 1400 else 1401 set_bit(FX00_RESET_RECOVERY, &vha->dpc_flags); 1402 1403 /* Clear the Interrupts */ 1404 QLAFX00_CLR_INTR_REG(ha, QLAFX00_HST_INT_STS_BITS); 1405 1406 ql_log(ql_log_info, vha, 0x0140, 1407 "%s Done done - ha=%p.\n", __func__, ha); 1408 } 1409 1410 /** 1411 * qlafx00_init_response_q_entries() - Initializes response queue entries. 1412 * @rsp: response queue 1413 * 1414 * Beginning of request ring has initialization control block already built 1415 * by nvram config routine. 1416 * 1417 * Returns 0 on success. 1418 */ 1419 void 1420 qlafx00_init_response_q_entries(struct rsp_que *rsp) 1421 { 1422 uint16_t cnt; 1423 response_t *pkt; 1424 1425 rsp->ring_ptr = rsp->ring; 1426 rsp->ring_index = 0; 1427 rsp->status_srb = NULL; 1428 pkt = rsp->ring_ptr; 1429 for (cnt = 0; cnt < rsp->length; cnt++) { 1430 pkt->signature = RESPONSE_PROCESSED; 1431 WRT_REG_DWORD((void __force __iomem *)&pkt->signature, 1432 RESPONSE_PROCESSED); 1433 pkt++; 1434 } 1435 } 1436 1437 int 1438 qlafx00_rescan_isp(scsi_qla_host_t *vha) 1439 { 1440 uint32_t status = QLA_FUNCTION_FAILED; 1441 struct qla_hw_data *ha = vha->hw; 1442 struct device_reg_fx00 __iomem *reg = &ha->iobase->ispfx00; 1443 uint32_t aenmbx7; 1444 1445 qla2x00_request_irqs(ha, ha->rsp_q_map[0]); 1446 1447 aenmbx7 = RD_REG_DWORD(®->aenmailbox7); 1448 ha->mbx_intr_code = MSW(aenmbx7); 1449 ha->rqstq_intr_code = LSW(aenmbx7); 1450 ha->req_que_off = RD_REG_DWORD(®->aenmailbox1); 1451 ha->rsp_que_off = RD_REG_DWORD(®->aenmailbox3); 1452 ha->req_que_len = RD_REG_DWORD(®->aenmailbox5); 1453 ha->rsp_que_len = RD_REG_DWORD(®->aenmailbox6); 1454 1455 ql_dbg(ql_dbg_disc, vha, 0x2094, 1456 "fw returned mbx_intr_code: 0x%x, rqstq_intr_code: 0x%x " 1457 " Req que offset 0x%x Rsp que offset 0x%x\n", 1458 ha->mbx_intr_code, ha->rqstq_intr_code, 1459 ha->req_que_off, ha->rsp_que_len); 1460 1461 /* Clear the Interrupts */ 1462 QLAFX00_CLR_INTR_REG(ha, QLAFX00_HST_INT_STS_BITS); 1463 1464 status = qla2x00_init_rings(vha); 1465 if (!status) { 1466 vha->flags.online = 1; 1467 1468 /* if no cable then assume it's good */ 1469 if ((vha->device_flags & DFLG_NO_CABLE)) 1470 status = 0; 1471 /* Register system information */ 1472 if (qlafx00_fx_disc(vha, 1473 &vha->hw->mr.fcport, FXDISC_REG_HOST_INFO)) 1474 ql_dbg(ql_dbg_disc, vha, 0x2095, 1475 "failed to register host info\n"); 1476 } 1477 scsi_unblock_requests(vha->host); 1478 return status; 1479 } 1480 1481 void 1482 qlafx00_timer_routine(scsi_qla_host_t *vha) 1483 { 1484 struct qla_hw_data *ha = vha->hw; 1485 uint32_t fw_heart_beat; 1486 uint32_t aenmbx0; 1487 struct device_reg_fx00 __iomem *reg = &ha->iobase->ispfx00; 1488 uint32_t tempc; 1489 1490 /* Check firmware health */ 1491 if (ha->mr.fw_hbt_cnt) 1492 ha->mr.fw_hbt_cnt--; 1493 else { 1494 if ((!ha->flags.mr_reset_hdlr_active) && 1495 (!test_bit(UNLOADING, &vha->dpc_flags)) && 1496 (!test_bit(ABORT_ISP_ACTIVE, &vha->dpc_flags)) && 1497 (ha->mr.fw_hbt_en)) { 1498 fw_heart_beat = RD_REG_DWORD(®->fwheartbeat); 1499 if (fw_heart_beat != ha->mr.old_fw_hbt_cnt) { 1500 ha->mr.old_fw_hbt_cnt = fw_heart_beat; 1501 ha->mr.fw_hbt_miss_cnt = 0; 1502 } else { 1503 ha->mr.fw_hbt_miss_cnt++; 1504 if (ha->mr.fw_hbt_miss_cnt == 1505 QLAFX00_HEARTBEAT_MISS_CNT) { 1506 set_bit(ISP_ABORT_NEEDED, 1507 &vha->dpc_flags); 1508 qla2xxx_wake_dpc(vha); 1509 ha->mr.fw_hbt_miss_cnt = 0; 1510 } 1511 } 1512 } 1513 ha->mr.fw_hbt_cnt = QLAFX00_HEARTBEAT_INTERVAL; 1514 } 1515 1516 if (test_bit(FX00_RESET_RECOVERY, &vha->dpc_flags)) { 1517 /* Reset recovery to be performed in timer routine */ 1518 aenmbx0 = RD_REG_DWORD(®->aenmailbox0); 1519 if (ha->mr.fw_reset_timer_exp) { 1520 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags); 1521 qla2xxx_wake_dpc(vha); 1522 ha->mr.fw_reset_timer_exp = 0; 1523 } else if (aenmbx0 == MBA_FW_RESTART_CMPLT) { 1524 /* Wake up DPC to rescan the targets */ 1525 set_bit(FX00_TARGET_SCAN, &vha->dpc_flags); 1526 clear_bit(FX00_RESET_RECOVERY, &vha->dpc_flags); 1527 qla2xxx_wake_dpc(vha); 1528 ha->mr.fw_reset_timer_tick = QLAFX00_RESET_INTERVAL; 1529 } else if ((aenmbx0 == MBA_FW_STARTING) && 1530 (!ha->mr.fw_hbt_en)) { 1531 ha->mr.fw_hbt_en = 1; 1532 } else if (!ha->mr.fw_reset_timer_tick) { 1533 if (aenmbx0 == ha->mr.old_aenmbx0_state) 1534 ha->mr.fw_reset_timer_exp = 1; 1535 ha->mr.fw_reset_timer_tick = QLAFX00_RESET_INTERVAL; 1536 } else if (aenmbx0 == 0xFFFFFFFF) { 1537 uint32_t data0, data1; 1538 1539 data0 = QLAFX00_RD_REG(ha, 1540 QLAFX00_BAR1_BASE_ADDR_REG); 1541 data1 = QLAFX00_RD_REG(ha, 1542 QLAFX00_PEX0_WIN0_BASE_ADDR_REG); 1543 1544 data0 &= 0xffff0000; 1545 data1 &= 0x0000ffff; 1546 1547 QLAFX00_WR_REG(ha, 1548 QLAFX00_PEX0_WIN0_BASE_ADDR_REG, 1549 (data0 | data1)); 1550 } else if ((aenmbx0 & 0xFF00) == MBA_FW_POLL_STATE) { 1551 ha->mr.fw_reset_timer_tick = 1552 QLAFX00_MAX_RESET_INTERVAL; 1553 } else if (aenmbx0 == MBA_FW_RESET_FCT) { 1554 ha->mr.fw_reset_timer_tick = 1555 QLAFX00_MAX_RESET_INTERVAL; 1556 } 1557 if (ha->mr.old_aenmbx0_state != aenmbx0) { 1558 ha->mr.old_aenmbx0_state = aenmbx0; 1559 ha->mr.fw_reset_timer_tick = QLAFX00_RESET_INTERVAL; 1560 } 1561 ha->mr.fw_reset_timer_tick--; 1562 } 1563 if (test_bit(FX00_CRITEMP_RECOVERY, &vha->dpc_flags)) { 1564 /* 1565 * Critical temperature recovery to be 1566 * performed in timer routine 1567 */ 1568 if (ha->mr.fw_critemp_timer_tick == 0) { 1569 tempc = QLAFX00_GET_TEMPERATURE(ha); 1570 ql_dbg(ql_dbg_timer, vha, 0x6012, 1571 "ISPFx00(%s): Critical temp timer, " 1572 "current SOC temperature: %d\n", 1573 __func__, tempc); 1574 if (tempc < ha->mr.critical_temperature) { 1575 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags); 1576 clear_bit(FX00_CRITEMP_RECOVERY, 1577 &vha->dpc_flags); 1578 qla2xxx_wake_dpc(vha); 1579 } 1580 ha->mr.fw_critemp_timer_tick = 1581 QLAFX00_CRITEMP_INTERVAL; 1582 } else { 1583 ha->mr.fw_critemp_timer_tick--; 1584 } 1585 } 1586 if (ha->mr.host_info_resend) { 1587 /* 1588 * Incomplete host info might be sent to firmware 1589 * durinng system boot - info should be resend 1590 */ 1591 if (ha->mr.hinfo_resend_timer_tick == 0) { 1592 ha->mr.host_info_resend = false; 1593 set_bit(FX00_HOST_INFO_RESEND, &vha->dpc_flags); 1594 ha->mr.hinfo_resend_timer_tick = 1595 QLAFX00_HINFO_RESEND_INTERVAL; 1596 qla2xxx_wake_dpc(vha); 1597 } else { 1598 ha->mr.hinfo_resend_timer_tick--; 1599 } 1600 } 1601 1602 } 1603 1604 /* 1605 * qlfx00a_reset_initialize 1606 * Re-initialize after a iSA device reset. 1607 * 1608 * Input: 1609 * ha = adapter block pointer. 1610 * 1611 * Returns: 1612 * 0 = success 1613 */ 1614 int 1615 qlafx00_reset_initialize(scsi_qla_host_t *vha) 1616 { 1617 struct qla_hw_data *ha = vha->hw; 1618 1619 if (vha->device_flags & DFLG_DEV_FAILED) { 1620 ql_dbg(ql_dbg_init, vha, 0x0142, 1621 "Device in failed state\n"); 1622 return QLA_SUCCESS; 1623 } 1624 1625 ha->flags.mr_reset_hdlr_active = 1; 1626 1627 if (vha->flags.online) { 1628 scsi_block_requests(vha->host); 1629 qlafx00_abort_isp_cleanup(vha, false); 1630 } 1631 1632 ql_log(ql_log_info, vha, 0x0143, 1633 "(%s): succeeded.\n", __func__); 1634 ha->flags.mr_reset_hdlr_active = 0; 1635 return QLA_SUCCESS; 1636 } 1637 1638 /* 1639 * qlafx00_abort_isp 1640 * Resets ISP and aborts all outstanding commands. 1641 * 1642 * Input: 1643 * ha = adapter block pointer. 1644 * 1645 * Returns: 1646 * 0 = success 1647 */ 1648 int 1649 qlafx00_abort_isp(scsi_qla_host_t *vha) 1650 { 1651 struct qla_hw_data *ha = vha->hw; 1652 1653 if (vha->flags.online) { 1654 if (unlikely(pci_channel_offline(ha->pdev) && 1655 ha->flags.pci_channel_io_perm_failure)) { 1656 clear_bit(ISP_ABORT_RETRY, &vha->dpc_flags); 1657 return QLA_SUCCESS; 1658 } 1659 1660 scsi_block_requests(vha->host); 1661 qlafx00_abort_isp_cleanup(vha, false); 1662 } else { 1663 scsi_block_requests(vha->host); 1664 clear_bit(ISP_ABORT_NEEDED, &vha->dpc_flags); 1665 vha->qla_stats.total_isp_aborts++; 1666 ha->isp_ops->reset_chip(vha); 1667 set_bit(FX00_RESET_RECOVERY, &vha->dpc_flags); 1668 /* Clear the Interrupts */ 1669 QLAFX00_CLR_INTR_REG(ha, QLAFX00_HST_INT_STS_BITS); 1670 } 1671 1672 ql_log(ql_log_info, vha, 0x0145, 1673 "(%s): succeeded.\n", __func__); 1674 1675 return QLA_SUCCESS; 1676 } 1677 1678 static inline fc_port_t* 1679 qlafx00_get_fcport(struct scsi_qla_host *vha, int tgt_id) 1680 { 1681 fc_port_t *fcport; 1682 1683 /* Check for matching device in remote port list. */ 1684 list_for_each_entry(fcport, &vha->vp_fcports, list) { 1685 if (fcport->tgt_id == tgt_id) { 1686 ql_dbg(ql_dbg_async, vha, 0x5072, 1687 "Matching fcport(%p) found with TGT-ID: 0x%x " 1688 "and Remote TGT_ID: 0x%x\n", 1689 fcport, fcport->tgt_id, tgt_id); 1690 return fcport; 1691 } 1692 } 1693 return NULL; 1694 } 1695 1696 static void 1697 qlafx00_tgt_detach(struct scsi_qla_host *vha, int tgt_id) 1698 { 1699 fc_port_t *fcport; 1700 1701 ql_log(ql_log_info, vha, 0x5073, 1702 "Detach TGT-ID: 0x%x\n", tgt_id); 1703 1704 fcport = qlafx00_get_fcport(vha, tgt_id); 1705 if (!fcport) 1706 return; 1707 1708 qla2x00_mark_device_lost(vha, fcport, 0); 1709 1710 return; 1711 } 1712 1713 int 1714 qlafx00_process_aen(struct scsi_qla_host *vha, struct qla_work_evt *evt) 1715 { 1716 int rval = 0; 1717 uint32_t aen_code, aen_data; 1718 1719 aen_code = FCH_EVT_VENDOR_UNIQUE; 1720 aen_data = evt->u.aenfx.evtcode; 1721 1722 switch (evt->u.aenfx.evtcode) { 1723 case QLAFX00_MBA_PORT_UPDATE: /* Port database update */ 1724 if (evt->u.aenfx.mbx[1] == 0) { 1725 if (evt->u.aenfx.mbx[2] == 1) { 1726 if (!vha->flags.fw_tgt_reported) 1727 vha->flags.fw_tgt_reported = 1; 1728 atomic_set(&vha->loop_down_timer, 0); 1729 atomic_set(&vha->loop_state, LOOP_UP); 1730 set_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags); 1731 qla2xxx_wake_dpc(vha); 1732 } else if (evt->u.aenfx.mbx[2] == 2) { 1733 qlafx00_tgt_detach(vha, evt->u.aenfx.mbx[3]); 1734 } 1735 } else if (evt->u.aenfx.mbx[1] == 0xffff) { 1736 if (evt->u.aenfx.mbx[2] == 1) { 1737 if (!vha->flags.fw_tgt_reported) 1738 vha->flags.fw_tgt_reported = 1; 1739 set_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags); 1740 } else if (evt->u.aenfx.mbx[2] == 2) { 1741 vha->device_flags |= DFLG_NO_CABLE; 1742 qla2x00_mark_all_devices_lost(vha); 1743 } 1744 } 1745 break; 1746 case QLAFX00_MBA_LINK_UP: 1747 aen_code = FCH_EVT_LINKUP; 1748 aen_data = 0; 1749 break; 1750 case QLAFX00_MBA_LINK_DOWN: 1751 aen_code = FCH_EVT_LINKDOWN; 1752 aen_data = 0; 1753 break; 1754 case QLAFX00_MBA_TEMP_CRIT: /* Critical temperature event */ 1755 ql_log(ql_log_info, vha, 0x5082, 1756 "Process critical temperature event " 1757 "aenmb[0]: %x\n", 1758 evt->u.aenfx.evtcode); 1759 scsi_block_requests(vha->host); 1760 qlafx00_abort_isp_cleanup(vha, true); 1761 scsi_unblock_requests(vha->host); 1762 break; 1763 } 1764 1765 fc_host_post_event(vha->host, fc_get_event_number(), 1766 aen_code, aen_data); 1767 1768 return rval; 1769 } 1770 1771 static void 1772 qlafx00_update_host_attr(scsi_qla_host_t *vha, struct port_info_data *pinfo) 1773 { 1774 u64 port_name = 0, node_name = 0; 1775 1776 port_name = (unsigned long long)wwn_to_u64(pinfo->port_name); 1777 node_name = (unsigned long long)wwn_to_u64(pinfo->node_name); 1778 1779 fc_host_node_name(vha->host) = node_name; 1780 fc_host_port_name(vha->host) = port_name; 1781 if (!pinfo->port_type) 1782 vha->hw->current_topology = ISP_CFG_F; 1783 if (pinfo->link_status == QLAFX00_LINK_STATUS_UP) 1784 atomic_set(&vha->loop_state, LOOP_READY); 1785 else if (pinfo->link_status == QLAFX00_LINK_STATUS_DOWN) 1786 atomic_set(&vha->loop_state, LOOP_DOWN); 1787 vha->hw->link_data_rate = (uint16_t)pinfo->link_config; 1788 } 1789 1790 static void 1791 qla2x00_fxdisc_iocb_timeout(void *data) 1792 { 1793 srb_t *sp = data; 1794 struct srb_iocb *lio = &sp->u.iocb_cmd; 1795 1796 complete(&lio->u.fxiocb.fxiocb_comp); 1797 } 1798 1799 static void qla2x00_fxdisc_sp_done(srb_t *sp, int res) 1800 { 1801 struct srb_iocb *lio = &sp->u.iocb_cmd; 1802 1803 complete(&lio->u.fxiocb.fxiocb_comp); 1804 } 1805 1806 int 1807 qlafx00_fx_disc(scsi_qla_host_t *vha, fc_port_t *fcport, uint16_t fx_type) 1808 { 1809 srb_t *sp; 1810 struct srb_iocb *fdisc; 1811 int rval = QLA_FUNCTION_FAILED; 1812 struct qla_hw_data *ha = vha->hw; 1813 struct host_system_info *phost_info; 1814 struct register_host_info *preg_hsi; 1815 struct new_utsname *p_sysid = NULL; 1816 1817 sp = qla2x00_get_sp(vha, fcport, GFP_KERNEL); 1818 if (!sp) 1819 goto done; 1820 1821 sp->type = SRB_FXIOCB_DCMD; 1822 sp->name = "fxdisc"; 1823 1824 fdisc = &sp->u.iocb_cmd; 1825 fdisc->timeout = qla2x00_fxdisc_iocb_timeout; 1826 qla2x00_init_timer(sp, FXDISC_TIMEOUT); 1827 1828 switch (fx_type) { 1829 case FXDISC_GET_CONFIG_INFO: 1830 fdisc->u.fxiocb.flags = 1831 SRB_FXDISC_RESP_DMA_VALID; 1832 fdisc->u.fxiocb.rsp_len = sizeof(struct config_info_data); 1833 break; 1834 case FXDISC_GET_PORT_INFO: 1835 fdisc->u.fxiocb.flags = 1836 SRB_FXDISC_RESP_DMA_VALID | SRB_FXDISC_REQ_DWRD_VALID; 1837 fdisc->u.fxiocb.rsp_len = QLAFX00_PORT_DATA_INFO; 1838 fdisc->u.fxiocb.req_data = cpu_to_le32(fcport->port_id); 1839 break; 1840 case FXDISC_GET_TGT_NODE_INFO: 1841 fdisc->u.fxiocb.flags = 1842 SRB_FXDISC_RESP_DMA_VALID | SRB_FXDISC_REQ_DWRD_VALID; 1843 fdisc->u.fxiocb.rsp_len = QLAFX00_TGT_NODE_INFO; 1844 fdisc->u.fxiocb.req_data = cpu_to_le32(fcport->tgt_id); 1845 break; 1846 case FXDISC_GET_TGT_NODE_LIST: 1847 fdisc->u.fxiocb.flags = 1848 SRB_FXDISC_RESP_DMA_VALID | SRB_FXDISC_REQ_DWRD_VALID; 1849 fdisc->u.fxiocb.rsp_len = QLAFX00_TGT_NODE_LIST_SIZE; 1850 break; 1851 case FXDISC_REG_HOST_INFO: 1852 fdisc->u.fxiocb.flags = SRB_FXDISC_REQ_DMA_VALID; 1853 fdisc->u.fxiocb.req_len = sizeof(struct register_host_info); 1854 p_sysid = utsname(); 1855 if (!p_sysid) { 1856 ql_log(ql_log_warn, vha, 0x303c, 1857 "Not able to get the system information\n"); 1858 goto done_free_sp; 1859 } 1860 break; 1861 case FXDISC_ABORT_IOCTL: 1862 default: 1863 break; 1864 } 1865 1866 if (fdisc->u.fxiocb.flags & SRB_FXDISC_REQ_DMA_VALID) { 1867 fdisc->u.fxiocb.req_addr = dma_alloc_coherent(&ha->pdev->dev, 1868 fdisc->u.fxiocb.req_len, 1869 &fdisc->u.fxiocb.req_dma_handle, GFP_KERNEL); 1870 if (!fdisc->u.fxiocb.req_addr) 1871 goto done_free_sp; 1872 1873 if (fx_type == FXDISC_REG_HOST_INFO) { 1874 preg_hsi = (struct register_host_info *) 1875 fdisc->u.fxiocb.req_addr; 1876 phost_info = &preg_hsi->hsi; 1877 memset(preg_hsi, 0, sizeof(struct register_host_info)); 1878 phost_info->os_type = OS_TYPE_LINUX; 1879 strlcpy(phost_info->sysname, p_sysid->sysname, 1880 sizeof(phost_info->sysname)); 1881 strlcpy(phost_info->nodename, p_sysid->nodename, 1882 sizeof(phost_info->nodename)); 1883 if (!strcmp(phost_info->nodename, "(none)")) 1884 ha->mr.host_info_resend = true; 1885 strlcpy(phost_info->release, p_sysid->release, 1886 sizeof(phost_info->release)); 1887 strlcpy(phost_info->version, p_sysid->version, 1888 sizeof(phost_info->version)); 1889 strlcpy(phost_info->machine, p_sysid->machine, 1890 sizeof(phost_info->machine)); 1891 strlcpy(phost_info->domainname, p_sysid->domainname, 1892 sizeof(phost_info->domainname)); 1893 strlcpy(phost_info->hostdriver, QLA2XXX_VERSION, 1894 sizeof(phost_info->hostdriver)); 1895 preg_hsi->utc = (uint64_t)ktime_get_real_seconds(); 1896 ql_dbg(ql_dbg_init, vha, 0x0149, 1897 "ISP%04X: Host registration with firmware\n", 1898 ha->pdev->device); 1899 ql_dbg(ql_dbg_init, vha, 0x014a, 1900 "os_type = '%d', sysname = '%s', nodname = '%s'\n", 1901 phost_info->os_type, 1902 phost_info->sysname, 1903 phost_info->nodename); 1904 ql_dbg(ql_dbg_init, vha, 0x014b, 1905 "release = '%s', version = '%s'\n", 1906 phost_info->release, 1907 phost_info->version); 1908 ql_dbg(ql_dbg_init, vha, 0x014c, 1909 "machine = '%s' " 1910 "domainname = '%s', hostdriver = '%s'\n", 1911 phost_info->machine, 1912 phost_info->domainname, 1913 phost_info->hostdriver); 1914 ql_dump_buffer(ql_dbg_init + ql_dbg_disc, vha, 0x014d, 1915 phost_info, sizeof(*phost_info)); 1916 } 1917 } 1918 1919 if (fdisc->u.fxiocb.flags & SRB_FXDISC_RESP_DMA_VALID) { 1920 fdisc->u.fxiocb.rsp_addr = dma_alloc_coherent(&ha->pdev->dev, 1921 fdisc->u.fxiocb.rsp_len, 1922 &fdisc->u.fxiocb.rsp_dma_handle, GFP_KERNEL); 1923 if (!fdisc->u.fxiocb.rsp_addr) 1924 goto done_unmap_req; 1925 } 1926 1927 fdisc->u.fxiocb.req_func_type = cpu_to_le16(fx_type); 1928 sp->done = qla2x00_fxdisc_sp_done; 1929 1930 rval = qla2x00_start_sp(sp); 1931 if (rval != QLA_SUCCESS) 1932 goto done_unmap_dma; 1933 1934 wait_for_completion(&fdisc->u.fxiocb.fxiocb_comp); 1935 1936 if (fx_type == FXDISC_GET_CONFIG_INFO) { 1937 struct config_info_data *pinfo = 1938 (struct config_info_data *) fdisc->u.fxiocb.rsp_addr; 1939 strlcpy(vha->hw->model_number, pinfo->model_num, 1940 ARRAY_SIZE(vha->hw->model_number)); 1941 strlcpy(vha->hw->model_desc, pinfo->model_description, 1942 ARRAY_SIZE(vha->hw->model_desc)); 1943 memcpy(&vha->hw->mr.symbolic_name, pinfo->symbolic_name, 1944 sizeof(vha->hw->mr.symbolic_name)); 1945 memcpy(&vha->hw->mr.serial_num, pinfo->serial_num, 1946 sizeof(vha->hw->mr.serial_num)); 1947 memcpy(&vha->hw->mr.hw_version, pinfo->hw_version, 1948 sizeof(vha->hw->mr.hw_version)); 1949 memcpy(&vha->hw->mr.fw_version, pinfo->fw_version, 1950 sizeof(vha->hw->mr.fw_version)); 1951 strim(vha->hw->mr.fw_version); 1952 memcpy(&vha->hw->mr.uboot_version, pinfo->uboot_version, 1953 sizeof(vha->hw->mr.uboot_version)); 1954 memcpy(&vha->hw->mr.fru_serial_num, pinfo->fru_serial_num, 1955 sizeof(vha->hw->mr.fru_serial_num)); 1956 vha->hw->mr.critical_temperature = 1957 (pinfo->nominal_temp_value) ? 1958 pinfo->nominal_temp_value : QLAFX00_CRITEMP_THRSHLD; 1959 ha->mr.extended_io_enabled = (pinfo->enabled_capabilities & 1960 QLAFX00_EXTENDED_IO_EN_MASK) != 0; 1961 } else if (fx_type == FXDISC_GET_PORT_INFO) { 1962 struct port_info_data *pinfo = 1963 (struct port_info_data *) fdisc->u.fxiocb.rsp_addr; 1964 memcpy(vha->node_name, pinfo->node_name, WWN_SIZE); 1965 memcpy(vha->port_name, pinfo->port_name, WWN_SIZE); 1966 vha->d_id.b.domain = pinfo->port_id[0]; 1967 vha->d_id.b.area = pinfo->port_id[1]; 1968 vha->d_id.b.al_pa = pinfo->port_id[2]; 1969 qlafx00_update_host_attr(vha, pinfo); 1970 ql_dump_buffer(ql_dbg_init + ql_dbg_buffer, vha, 0x0141, 1971 pinfo, 16); 1972 } else if (fx_type == FXDISC_GET_TGT_NODE_INFO) { 1973 struct qlafx00_tgt_node_info *pinfo = 1974 (struct qlafx00_tgt_node_info *) fdisc->u.fxiocb.rsp_addr; 1975 memcpy(fcport->node_name, pinfo->tgt_node_wwnn, WWN_SIZE); 1976 memcpy(fcport->port_name, pinfo->tgt_node_wwpn, WWN_SIZE); 1977 fcport->port_type = FCT_TARGET; 1978 ql_dump_buffer(ql_dbg_init + ql_dbg_buffer, vha, 0x0144, 1979 pinfo, 16); 1980 } else if (fx_type == FXDISC_GET_TGT_NODE_LIST) { 1981 struct qlafx00_tgt_node_info *pinfo = 1982 (struct qlafx00_tgt_node_info *) fdisc->u.fxiocb.rsp_addr; 1983 ql_dump_buffer(ql_dbg_init + ql_dbg_buffer, vha, 0x0146, 1984 pinfo, 16); 1985 memcpy(vha->hw->gid_list, pinfo, QLAFX00_TGT_NODE_LIST_SIZE); 1986 } else if (fx_type == FXDISC_ABORT_IOCTL) 1987 fdisc->u.fxiocb.result = 1988 (fdisc->u.fxiocb.result == 1989 cpu_to_le32(QLAFX00_IOCTL_ICOB_ABORT_SUCCESS)) ? 1990 cpu_to_le32(QLA_SUCCESS) : cpu_to_le32(QLA_FUNCTION_FAILED); 1991 1992 rval = le32_to_cpu(fdisc->u.fxiocb.result); 1993 1994 done_unmap_dma: 1995 if (fdisc->u.fxiocb.rsp_addr) 1996 dma_free_coherent(&ha->pdev->dev, fdisc->u.fxiocb.rsp_len, 1997 fdisc->u.fxiocb.rsp_addr, fdisc->u.fxiocb.rsp_dma_handle); 1998 1999 done_unmap_req: 2000 if (fdisc->u.fxiocb.req_addr) 2001 dma_free_coherent(&ha->pdev->dev, fdisc->u.fxiocb.req_len, 2002 fdisc->u.fxiocb.req_addr, fdisc->u.fxiocb.req_dma_handle); 2003 done_free_sp: 2004 sp->free(sp); 2005 done: 2006 return rval; 2007 } 2008 2009 /* 2010 * qlafx00_initialize_adapter 2011 * Initialize board. 2012 * 2013 * Input: 2014 * ha = adapter block pointer. 2015 * 2016 * Returns: 2017 * 0 = success 2018 */ 2019 int 2020 qlafx00_initialize_adapter(scsi_qla_host_t *vha) 2021 { 2022 int rval; 2023 struct qla_hw_data *ha = vha->hw; 2024 uint32_t tempc; 2025 2026 /* Clear adapter flags. */ 2027 vha->flags.online = 0; 2028 ha->flags.chip_reset_done = 0; 2029 vha->flags.reset_active = 0; 2030 ha->flags.pci_channel_io_perm_failure = 0; 2031 ha->flags.eeh_busy = 0; 2032 atomic_set(&vha->loop_down_timer, LOOP_DOWN_TIME); 2033 atomic_set(&vha->loop_state, LOOP_DOWN); 2034 vha->device_flags = DFLG_NO_CABLE; 2035 vha->dpc_flags = 0; 2036 vha->flags.management_server_logged_in = 0; 2037 ha->isp_abort_cnt = 0; 2038 ha->beacon_blink_led = 0; 2039 2040 set_bit(0, ha->req_qid_map); 2041 set_bit(0, ha->rsp_qid_map); 2042 2043 ql_dbg(ql_dbg_init, vha, 0x0147, 2044 "Configuring PCI space...\n"); 2045 2046 rval = ha->isp_ops->pci_config(vha); 2047 if (rval) { 2048 ql_log(ql_log_warn, vha, 0x0148, 2049 "Unable to configure PCI space.\n"); 2050 return rval; 2051 } 2052 2053 rval = qlafx00_init_fw_ready(vha); 2054 if (rval != QLA_SUCCESS) 2055 return rval; 2056 2057 qlafx00_save_queue_ptrs(vha); 2058 2059 rval = qlafx00_config_queues(vha); 2060 if (rval != QLA_SUCCESS) 2061 return rval; 2062 2063 /* 2064 * Allocate the array of outstanding commands 2065 * now that we know the firmware resources. 2066 */ 2067 rval = qla2x00_alloc_outstanding_cmds(ha, vha->req); 2068 if (rval != QLA_SUCCESS) 2069 return rval; 2070 2071 rval = qla2x00_init_rings(vha); 2072 ha->flags.chip_reset_done = 1; 2073 2074 tempc = QLAFX00_GET_TEMPERATURE(ha); 2075 ql_dbg(ql_dbg_init, vha, 0x0152, 2076 "ISPFx00(%s): Critical temp timer, current SOC temperature: 0x%x\n", 2077 __func__, tempc); 2078 2079 return rval; 2080 } 2081 2082 uint32_t 2083 qlafx00_fw_state_show(struct device *dev, struct device_attribute *attr, 2084 char *buf) 2085 { 2086 scsi_qla_host_t *vha = shost_priv(class_to_shost(dev)); 2087 int rval = QLA_FUNCTION_FAILED; 2088 uint32_t state[1]; 2089 2090 if (qla2x00_reset_active(vha)) 2091 ql_log(ql_log_warn, vha, 0x70ce, 2092 "ISP reset active.\n"); 2093 else if (!vha->hw->flags.eeh_busy) { 2094 rval = qlafx00_get_firmware_state(vha, state); 2095 } 2096 if (rval != QLA_SUCCESS) 2097 memset(state, -1, sizeof(state)); 2098 2099 return state[0]; 2100 } 2101 2102 void 2103 qlafx00_get_host_speed(struct Scsi_Host *shost) 2104 { 2105 struct qla_hw_data *ha = ((struct scsi_qla_host *) 2106 (shost_priv(shost)))->hw; 2107 u32 speed = FC_PORTSPEED_UNKNOWN; 2108 2109 switch (ha->link_data_rate) { 2110 case QLAFX00_PORT_SPEED_2G: 2111 speed = FC_PORTSPEED_2GBIT; 2112 break; 2113 case QLAFX00_PORT_SPEED_4G: 2114 speed = FC_PORTSPEED_4GBIT; 2115 break; 2116 case QLAFX00_PORT_SPEED_8G: 2117 speed = FC_PORTSPEED_8GBIT; 2118 break; 2119 case QLAFX00_PORT_SPEED_10G: 2120 speed = FC_PORTSPEED_10GBIT; 2121 break; 2122 } 2123 fc_host_speed(shost) = speed; 2124 } 2125 2126 /** QLAFX00 specific ISR implementation functions */ 2127 2128 static inline void 2129 qlafx00_handle_sense(srb_t *sp, uint8_t *sense_data, uint32_t par_sense_len, 2130 uint32_t sense_len, struct rsp_que *rsp, int res) 2131 { 2132 struct scsi_qla_host *vha = sp->vha; 2133 struct scsi_cmnd *cp = GET_CMD_SP(sp); 2134 uint32_t track_sense_len; 2135 2136 SET_FW_SENSE_LEN(sp, sense_len); 2137 2138 if (sense_len >= SCSI_SENSE_BUFFERSIZE) 2139 sense_len = SCSI_SENSE_BUFFERSIZE; 2140 2141 SET_CMD_SENSE_LEN(sp, sense_len); 2142 SET_CMD_SENSE_PTR(sp, cp->sense_buffer); 2143 track_sense_len = sense_len; 2144 2145 if (sense_len > par_sense_len) 2146 sense_len = par_sense_len; 2147 2148 memcpy(cp->sense_buffer, sense_data, sense_len); 2149 2150 SET_FW_SENSE_LEN(sp, GET_FW_SENSE_LEN(sp) - sense_len); 2151 2152 SET_CMD_SENSE_PTR(sp, cp->sense_buffer + sense_len); 2153 track_sense_len -= sense_len; 2154 SET_CMD_SENSE_LEN(sp, track_sense_len); 2155 2156 ql_dbg(ql_dbg_io, vha, 0x304d, 2157 "sense_len=0x%x par_sense_len=0x%x track_sense_len=0x%x.\n", 2158 sense_len, par_sense_len, track_sense_len); 2159 if (GET_FW_SENSE_LEN(sp) > 0) { 2160 rsp->status_srb = sp; 2161 cp->result = res; 2162 } 2163 2164 if (sense_len) { 2165 ql_dbg(ql_dbg_io + ql_dbg_buffer, vha, 0x3039, 2166 "Check condition Sense data, nexus%ld:%d:%llu cmd=%p.\n", 2167 sp->vha->host_no, cp->device->id, cp->device->lun, 2168 cp); 2169 ql_dump_buffer(ql_dbg_io + ql_dbg_buffer, vha, 0x3049, 2170 cp->sense_buffer, sense_len); 2171 } 2172 } 2173 2174 static void 2175 qlafx00_tm_iocb_entry(scsi_qla_host_t *vha, struct req_que *req, 2176 struct tsk_mgmt_entry_fx00 *pkt, srb_t *sp, 2177 __le16 sstatus, __le16 cpstatus) 2178 { 2179 struct srb_iocb *tmf; 2180 2181 tmf = &sp->u.iocb_cmd; 2182 if (cpstatus != cpu_to_le16((uint16_t)CS_COMPLETE) || 2183 (sstatus & cpu_to_le16((uint16_t)SS_RESPONSE_INFO_LEN_VALID))) 2184 cpstatus = cpu_to_le16((uint16_t)CS_INCOMPLETE); 2185 tmf->u.tmf.comp_status = cpstatus; 2186 sp->done(sp, 0); 2187 } 2188 2189 static void 2190 qlafx00_abort_iocb_entry(scsi_qla_host_t *vha, struct req_que *req, 2191 struct abort_iocb_entry_fx00 *pkt) 2192 { 2193 const char func[] = "ABT_IOCB"; 2194 srb_t *sp; 2195 struct srb_iocb *abt; 2196 2197 sp = qla2x00_get_sp_from_handle(vha, func, req, pkt); 2198 if (!sp) 2199 return; 2200 2201 abt = &sp->u.iocb_cmd; 2202 abt->u.abt.comp_status = pkt->tgt_id_sts; 2203 sp->done(sp, 0); 2204 } 2205 2206 static void 2207 qlafx00_ioctl_iosb_entry(scsi_qla_host_t *vha, struct req_que *req, 2208 struct ioctl_iocb_entry_fx00 *pkt) 2209 { 2210 const char func[] = "IOSB_IOCB"; 2211 srb_t *sp; 2212 struct bsg_job *bsg_job; 2213 struct fc_bsg_reply *bsg_reply; 2214 struct srb_iocb *iocb_job; 2215 int res = 0; 2216 struct qla_mt_iocb_rsp_fx00 fstatus; 2217 uint8_t *fw_sts_ptr; 2218 2219 sp = qla2x00_get_sp_from_handle(vha, func, req, pkt); 2220 if (!sp) 2221 return; 2222 2223 if (sp->type == SRB_FXIOCB_DCMD) { 2224 iocb_job = &sp->u.iocb_cmd; 2225 iocb_job->u.fxiocb.seq_number = pkt->seq_no; 2226 iocb_job->u.fxiocb.fw_flags = pkt->fw_iotcl_flags; 2227 iocb_job->u.fxiocb.result = pkt->status; 2228 if (iocb_job->u.fxiocb.flags & SRB_FXDISC_RSP_DWRD_VALID) 2229 iocb_job->u.fxiocb.req_data = 2230 pkt->dataword_r; 2231 } else { 2232 bsg_job = sp->u.bsg_job; 2233 bsg_reply = bsg_job->reply; 2234 2235 memset(&fstatus, 0, sizeof(struct qla_mt_iocb_rsp_fx00)); 2236 2237 fstatus.reserved_1 = pkt->reserved_0; 2238 fstatus.func_type = pkt->comp_func_num; 2239 fstatus.ioctl_flags = pkt->fw_iotcl_flags; 2240 fstatus.ioctl_data = pkt->dataword_r; 2241 fstatus.adapid = pkt->adapid; 2242 fstatus.reserved_2 = pkt->dataword_r_extra; 2243 fstatus.res_count = pkt->residuallen; 2244 fstatus.status = pkt->status; 2245 fstatus.seq_number = pkt->seq_no; 2246 memcpy(fstatus.reserved_3, 2247 pkt->reserved_2, 20 * sizeof(uint8_t)); 2248 2249 fw_sts_ptr = bsg_job->reply + sizeof(struct fc_bsg_reply); 2250 2251 memcpy(fw_sts_ptr, &fstatus, sizeof(fstatus)); 2252 bsg_job->reply_len = sizeof(struct fc_bsg_reply) + 2253 sizeof(struct qla_mt_iocb_rsp_fx00) + sizeof(uint8_t); 2254 2255 ql_dump_buffer(ql_dbg_user + ql_dbg_verbose, 2256 sp->vha, 0x5080, pkt, sizeof(*pkt)); 2257 2258 ql_dump_buffer(ql_dbg_user + ql_dbg_verbose, 2259 sp->vha, 0x5074, 2260 fw_sts_ptr, sizeof(fstatus)); 2261 2262 res = bsg_reply->result = DID_OK << 16; 2263 bsg_reply->reply_payload_rcv_len = 2264 bsg_job->reply_payload.payload_len; 2265 } 2266 sp->done(sp, res); 2267 } 2268 2269 /** 2270 * qlafx00_status_entry() - Process a Status IOCB entry. 2271 * @vha: SCSI driver HA context 2272 * @rsp: response queue 2273 * @pkt: Entry pointer 2274 */ 2275 static void 2276 qlafx00_status_entry(scsi_qla_host_t *vha, struct rsp_que *rsp, void *pkt) 2277 { 2278 srb_t *sp; 2279 fc_port_t *fcport; 2280 struct scsi_cmnd *cp; 2281 struct sts_entry_fx00 *sts; 2282 __le16 comp_status; 2283 __le16 scsi_status; 2284 __le16 lscsi_status; 2285 int32_t resid; 2286 uint32_t sense_len, par_sense_len, rsp_info_len, resid_len, 2287 fw_resid_len; 2288 uint8_t *rsp_info = NULL, *sense_data = NULL; 2289 struct qla_hw_data *ha = vha->hw; 2290 uint32_t hindex, handle; 2291 uint16_t que; 2292 struct req_que *req; 2293 int logit = 1; 2294 int res = 0; 2295 2296 sts = (struct sts_entry_fx00 *) pkt; 2297 2298 comp_status = sts->comp_status; 2299 scsi_status = sts->scsi_status & cpu_to_le16((uint16_t)SS_MASK); 2300 hindex = sts->handle; 2301 handle = LSW(hindex); 2302 2303 que = MSW(hindex); 2304 req = ha->req_q_map[que]; 2305 2306 /* Validate handle. */ 2307 if (handle < req->num_outstanding_cmds) 2308 sp = req->outstanding_cmds[handle]; 2309 else 2310 sp = NULL; 2311 2312 if (sp == NULL) { 2313 ql_dbg(ql_dbg_io, vha, 0x3034, 2314 "Invalid status handle (0x%x).\n", handle); 2315 2316 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags); 2317 qla2xxx_wake_dpc(vha); 2318 return; 2319 } 2320 2321 if (sp->type == SRB_TM_CMD) { 2322 req->outstanding_cmds[handle] = NULL; 2323 qlafx00_tm_iocb_entry(vha, req, pkt, sp, 2324 scsi_status, comp_status); 2325 return; 2326 } 2327 2328 /* Fast path completion. */ 2329 if (comp_status == CS_COMPLETE && scsi_status == 0) { 2330 qla2x00_process_completed_request(vha, req, handle); 2331 return; 2332 } 2333 2334 req->outstanding_cmds[handle] = NULL; 2335 cp = GET_CMD_SP(sp); 2336 if (cp == NULL) { 2337 ql_dbg(ql_dbg_io, vha, 0x3048, 2338 "Command already returned (0x%x/%p).\n", 2339 handle, sp); 2340 2341 return; 2342 } 2343 2344 lscsi_status = scsi_status & cpu_to_le16((uint16_t)STATUS_MASK); 2345 2346 fcport = sp->fcport; 2347 2348 sense_len = par_sense_len = rsp_info_len = resid_len = 2349 fw_resid_len = 0; 2350 if (scsi_status & cpu_to_le16((uint16_t)SS_SENSE_LEN_VALID)) 2351 sense_len = sts->sense_len; 2352 if (scsi_status & cpu_to_le16(((uint16_t)SS_RESIDUAL_UNDER 2353 | (uint16_t)SS_RESIDUAL_OVER))) 2354 resid_len = le32_to_cpu(sts->residual_len); 2355 if (comp_status == cpu_to_le16((uint16_t)CS_DATA_UNDERRUN)) 2356 fw_resid_len = le32_to_cpu(sts->residual_len); 2357 rsp_info = sense_data = sts->data; 2358 par_sense_len = sizeof(sts->data); 2359 2360 /* Check for overrun. */ 2361 if (comp_status == CS_COMPLETE && 2362 scsi_status & cpu_to_le16((uint16_t)SS_RESIDUAL_OVER)) 2363 comp_status = cpu_to_le16((uint16_t)CS_DATA_OVERRUN); 2364 2365 /* 2366 * Based on Host and scsi status generate status code for Linux 2367 */ 2368 switch (le16_to_cpu(comp_status)) { 2369 case CS_COMPLETE: 2370 case CS_QUEUE_FULL: 2371 if (scsi_status == 0) { 2372 res = DID_OK << 16; 2373 break; 2374 } 2375 if (scsi_status & cpu_to_le16(((uint16_t)SS_RESIDUAL_UNDER 2376 | (uint16_t)SS_RESIDUAL_OVER))) { 2377 resid = resid_len; 2378 scsi_set_resid(cp, resid); 2379 2380 if (!lscsi_status && 2381 ((unsigned)(scsi_bufflen(cp) - resid) < 2382 cp->underflow)) { 2383 ql_dbg(ql_dbg_io, fcport->vha, 0x3050, 2384 "Mid-layer underflow " 2385 "detected (0x%x of 0x%x bytes).\n", 2386 resid, scsi_bufflen(cp)); 2387 2388 res = DID_ERROR << 16; 2389 break; 2390 } 2391 } 2392 res = DID_OK << 16 | le16_to_cpu(lscsi_status); 2393 2394 if (lscsi_status == 2395 cpu_to_le16((uint16_t)SAM_STAT_TASK_SET_FULL)) { 2396 ql_dbg(ql_dbg_io, fcport->vha, 0x3051, 2397 "QUEUE FULL detected.\n"); 2398 break; 2399 } 2400 logit = 0; 2401 if (lscsi_status != cpu_to_le16((uint16_t)SS_CHECK_CONDITION)) 2402 break; 2403 2404 memset(cp->sense_buffer, 0, SCSI_SENSE_BUFFERSIZE); 2405 if (!(scsi_status & cpu_to_le16((uint16_t)SS_SENSE_LEN_VALID))) 2406 break; 2407 2408 qlafx00_handle_sense(sp, sense_data, par_sense_len, sense_len, 2409 rsp, res); 2410 break; 2411 2412 case CS_DATA_UNDERRUN: 2413 /* Use F/W calculated residual length. */ 2414 if (IS_FWI2_CAPABLE(ha) || IS_QLAFX00(ha)) 2415 resid = fw_resid_len; 2416 else 2417 resid = resid_len; 2418 scsi_set_resid(cp, resid); 2419 if (scsi_status & cpu_to_le16((uint16_t)SS_RESIDUAL_UNDER)) { 2420 if ((IS_FWI2_CAPABLE(ha) || IS_QLAFX00(ha)) 2421 && fw_resid_len != resid_len) { 2422 ql_dbg(ql_dbg_io, fcport->vha, 0x3052, 2423 "Dropped frame(s) detected " 2424 "(0x%x of 0x%x bytes).\n", 2425 resid, scsi_bufflen(cp)); 2426 2427 res = DID_ERROR << 16 | 2428 le16_to_cpu(lscsi_status); 2429 goto check_scsi_status; 2430 } 2431 2432 if (!lscsi_status && 2433 ((unsigned)(scsi_bufflen(cp) - resid) < 2434 cp->underflow)) { 2435 ql_dbg(ql_dbg_io, fcport->vha, 0x3053, 2436 "Mid-layer underflow " 2437 "detected (0x%x of 0x%x bytes, " 2438 "cp->underflow: 0x%x).\n", 2439 resid, scsi_bufflen(cp), cp->underflow); 2440 2441 res = DID_ERROR << 16; 2442 break; 2443 } 2444 } else if (lscsi_status != 2445 cpu_to_le16((uint16_t)SAM_STAT_TASK_SET_FULL) && 2446 lscsi_status != cpu_to_le16((uint16_t)SAM_STAT_BUSY)) { 2447 /* 2448 * scsi status of task set and busy are considered 2449 * to be task not completed. 2450 */ 2451 2452 ql_dbg(ql_dbg_io, fcport->vha, 0x3054, 2453 "Dropped frame(s) detected (0x%x " 2454 "of 0x%x bytes).\n", resid, 2455 scsi_bufflen(cp)); 2456 2457 res = DID_ERROR << 16 | le16_to_cpu(lscsi_status); 2458 goto check_scsi_status; 2459 } else { 2460 ql_dbg(ql_dbg_io, fcport->vha, 0x3055, 2461 "scsi_status: 0x%x, lscsi_status: 0x%x\n", 2462 scsi_status, lscsi_status); 2463 } 2464 2465 res = DID_OK << 16 | le16_to_cpu(lscsi_status); 2466 logit = 0; 2467 2468 check_scsi_status: 2469 /* 2470 * Check to see if SCSI Status is non zero. If so report SCSI 2471 * Status. 2472 */ 2473 if (lscsi_status != 0) { 2474 if (lscsi_status == 2475 cpu_to_le16((uint16_t)SAM_STAT_TASK_SET_FULL)) { 2476 ql_dbg(ql_dbg_io, fcport->vha, 0x3056, 2477 "QUEUE FULL detected.\n"); 2478 logit = 1; 2479 break; 2480 } 2481 if (lscsi_status != 2482 cpu_to_le16((uint16_t)SS_CHECK_CONDITION)) 2483 break; 2484 2485 memset(cp->sense_buffer, 0, SCSI_SENSE_BUFFERSIZE); 2486 if (!(scsi_status & 2487 cpu_to_le16((uint16_t)SS_SENSE_LEN_VALID))) 2488 break; 2489 2490 qlafx00_handle_sense(sp, sense_data, par_sense_len, 2491 sense_len, rsp, res); 2492 } 2493 break; 2494 2495 case CS_PORT_LOGGED_OUT: 2496 case CS_PORT_CONFIG_CHG: 2497 case CS_PORT_BUSY: 2498 case CS_INCOMPLETE: 2499 case CS_PORT_UNAVAILABLE: 2500 case CS_TIMEOUT: 2501 case CS_RESET: 2502 2503 /* 2504 * We are going to have the fc class block the rport 2505 * while we try to recover so instruct the mid layer 2506 * to requeue until the class decides how to handle this. 2507 */ 2508 res = DID_TRANSPORT_DISRUPTED << 16; 2509 2510 ql_dbg(ql_dbg_io, fcport->vha, 0x3057, 2511 "Port down status: port-state=0x%x.\n", 2512 atomic_read(&fcport->state)); 2513 2514 if (atomic_read(&fcport->state) == FCS_ONLINE) 2515 qla2x00_mark_device_lost(fcport->vha, fcport, 1); 2516 break; 2517 2518 case CS_ABORTED: 2519 res = DID_RESET << 16; 2520 break; 2521 2522 default: 2523 res = DID_ERROR << 16; 2524 break; 2525 } 2526 2527 if (logit) 2528 ql_dbg(ql_dbg_io, fcport->vha, 0x3058, 2529 "FCP command status: 0x%x-0x%x (0x%x) nexus=%ld:%d:%llu " 2530 "tgt_id: 0x%x lscsi_status: 0x%x cdb=%10phN len=0x%x " 2531 "rsp_info=%p resid=0x%x fw_resid=0x%x sense_len=0x%x, " 2532 "par_sense_len=0x%x, rsp_info_len=0x%x\n", 2533 comp_status, scsi_status, res, vha->host_no, 2534 cp->device->id, cp->device->lun, fcport->tgt_id, 2535 lscsi_status, cp->cmnd, scsi_bufflen(cp), 2536 rsp_info, resid_len, fw_resid_len, sense_len, 2537 par_sense_len, rsp_info_len); 2538 2539 if (rsp->status_srb == NULL) 2540 sp->done(sp, res); 2541 else 2542 WARN_ON_ONCE(true); 2543 } 2544 2545 /** 2546 * qlafx00_status_cont_entry() - Process a Status Continuations entry. 2547 * @rsp: response queue 2548 * @pkt: Entry pointer 2549 * 2550 * Extended sense data. 2551 */ 2552 static void 2553 qlafx00_status_cont_entry(struct rsp_que *rsp, sts_cont_entry_t *pkt) 2554 { 2555 uint8_t sense_sz = 0; 2556 struct qla_hw_data *ha = rsp->hw; 2557 struct scsi_qla_host *vha = pci_get_drvdata(ha->pdev); 2558 srb_t *sp = rsp->status_srb; 2559 struct scsi_cmnd *cp; 2560 uint32_t sense_len; 2561 uint8_t *sense_ptr; 2562 2563 if (!sp) { 2564 ql_dbg(ql_dbg_io, vha, 0x3037, 2565 "no SP, sp = %p\n", sp); 2566 return; 2567 } 2568 2569 if (!GET_FW_SENSE_LEN(sp)) { 2570 ql_dbg(ql_dbg_io, vha, 0x304b, 2571 "no fw sense data, sp = %p\n", sp); 2572 return; 2573 } 2574 cp = GET_CMD_SP(sp); 2575 if (cp == NULL) { 2576 ql_log(ql_log_warn, vha, 0x303b, 2577 "cmd is NULL: already returned to OS (sp=%p).\n", sp); 2578 2579 rsp->status_srb = NULL; 2580 return; 2581 } 2582 2583 if (!GET_CMD_SENSE_LEN(sp)) { 2584 ql_dbg(ql_dbg_io, vha, 0x304c, 2585 "no sense data, sp = %p\n", sp); 2586 } else { 2587 sense_len = GET_CMD_SENSE_LEN(sp); 2588 sense_ptr = GET_CMD_SENSE_PTR(sp); 2589 ql_dbg(ql_dbg_io, vha, 0x304f, 2590 "sp=%p sense_len=0x%x sense_ptr=%p.\n", 2591 sp, sense_len, sense_ptr); 2592 2593 if (sense_len > sizeof(pkt->data)) 2594 sense_sz = sizeof(pkt->data); 2595 else 2596 sense_sz = sense_len; 2597 2598 /* Move sense data. */ 2599 ql_dump_buffer(ql_dbg_io + ql_dbg_buffer, vha, 0x304e, 2600 pkt, sizeof(*pkt)); 2601 memcpy(sense_ptr, pkt->data, sense_sz); 2602 ql_dump_buffer(ql_dbg_io + ql_dbg_buffer, vha, 0x304a, 2603 sense_ptr, sense_sz); 2604 2605 sense_len -= sense_sz; 2606 sense_ptr += sense_sz; 2607 2608 SET_CMD_SENSE_PTR(sp, sense_ptr); 2609 SET_CMD_SENSE_LEN(sp, sense_len); 2610 } 2611 sense_len = GET_FW_SENSE_LEN(sp); 2612 sense_len = (sense_len > sizeof(pkt->data)) ? 2613 (sense_len - sizeof(pkt->data)) : 0; 2614 SET_FW_SENSE_LEN(sp, sense_len); 2615 2616 /* Place command on done queue. */ 2617 if (sense_len == 0) { 2618 rsp->status_srb = NULL; 2619 sp->done(sp, cp->result); 2620 } else { 2621 WARN_ON_ONCE(true); 2622 } 2623 } 2624 2625 /** 2626 * qlafx00_multistatus_entry() - Process Multi response queue entries. 2627 * @vha: SCSI driver HA context 2628 * @rsp: response queue 2629 * @pkt: received packet 2630 */ 2631 static void 2632 qlafx00_multistatus_entry(struct scsi_qla_host *vha, 2633 struct rsp_que *rsp, void *pkt) 2634 { 2635 srb_t *sp; 2636 struct multi_sts_entry_fx00 *stsmfx; 2637 struct qla_hw_data *ha = vha->hw; 2638 uint32_t handle, hindex, handle_count, i; 2639 uint16_t que; 2640 struct req_que *req; 2641 __le32 *handle_ptr; 2642 2643 stsmfx = (struct multi_sts_entry_fx00 *) pkt; 2644 2645 handle_count = stsmfx->handle_count; 2646 2647 if (handle_count > MAX_HANDLE_COUNT) { 2648 ql_dbg(ql_dbg_io, vha, 0x3035, 2649 "Invalid handle count (0x%x).\n", handle_count); 2650 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags); 2651 qla2xxx_wake_dpc(vha); 2652 return; 2653 } 2654 2655 handle_ptr = &stsmfx->handles[0]; 2656 2657 for (i = 0; i < handle_count; i++) { 2658 hindex = le32_to_cpu(*handle_ptr); 2659 handle = LSW(hindex); 2660 que = MSW(hindex); 2661 req = ha->req_q_map[que]; 2662 2663 /* Validate handle. */ 2664 if (handle < req->num_outstanding_cmds) 2665 sp = req->outstanding_cmds[handle]; 2666 else 2667 sp = NULL; 2668 2669 if (sp == NULL) { 2670 ql_dbg(ql_dbg_io, vha, 0x3044, 2671 "Invalid status handle (0x%x).\n", handle); 2672 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags); 2673 qla2xxx_wake_dpc(vha); 2674 return; 2675 } 2676 qla2x00_process_completed_request(vha, req, handle); 2677 handle_ptr++; 2678 } 2679 } 2680 2681 /** 2682 * qlafx00_error_entry() - Process an error entry. 2683 * @vha: SCSI driver HA context 2684 * @rsp: response queue 2685 * @pkt: Entry pointer 2686 */ 2687 static void 2688 qlafx00_error_entry(scsi_qla_host_t *vha, struct rsp_que *rsp, 2689 struct sts_entry_fx00 *pkt) 2690 { 2691 srb_t *sp; 2692 struct qla_hw_data *ha = vha->hw; 2693 const char func[] = "ERROR-IOCB"; 2694 uint16_t que = 0; 2695 struct req_que *req = NULL; 2696 int res = DID_ERROR << 16; 2697 2698 req = ha->req_q_map[que]; 2699 2700 sp = qla2x00_get_sp_from_handle(vha, func, req, pkt); 2701 if (sp) { 2702 sp->done(sp, res); 2703 return; 2704 } 2705 2706 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags); 2707 qla2xxx_wake_dpc(vha); 2708 } 2709 2710 /** 2711 * qlafx00_process_response_queue() - Process response queue entries. 2712 * @vha: SCSI driver HA context 2713 * @rsp: response queue 2714 */ 2715 static void 2716 qlafx00_process_response_queue(struct scsi_qla_host *vha, 2717 struct rsp_que *rsp) 2718 { 2719 struct sts_entry_fx00 *pkt; 2720 response_t *lptr; 2721 uint16_t lreq_q_in = 0; 2722 uint16_t lreq_q_out = 0; 2723 2724 lreq_q_in = RD_REG_DWORD(rsp->rsp_q_in); 2725 lreq_q_out = rsp->ring_index; 2726 2727 while (lreq_q_in != lreq_q_out) { 2728 lptr = rsp->ring_ptr; 2729 memcpy_fromio(rsp->rsp_pkt, (void __iomem *)lptr, 2730 sizeof(rsp->rsp_pkt)); 2731 pkt = (struct sts_entry_fx00 *)rsp->rsp_pkt; 2732 2733 rsp->ring_index++; 2734 lreq_q_out++; 2735 if (rsp->ring_index == rsp->length) { 2736 lreq_q_out = 0; 2737 rsp->ring_index = 0; 2738 rsp->ring_ptr = rsp->ring; 2739 } else { 2740 rsp->ring_ptr++; 2741 } 2742 2743 if (pkt->entry_status != 0 && 2744 pkt->entry_type != IOCTL_IOSB_TYPE_FX00) { 2745 ql_dbg(ql_dbg_async, vha, 0x507f, 2746 "type of error status in response: 0x%x\n", 2747 pkt->entry_status); 2748 qlafx00_error_entry(vha, rsp, 2749 (struct sts_entry_fx00 *)pkt); 2750 continue; 2751 } 2752 2753 switch (pkt->entry_type) { 2754 case STATUS_TYPE_FX00: 2755 qlafx00_status_entry(vha, rsp, pkt); 2756 break; 2757 2758 case STATUS_CONT_TYPE_FX00: 2759 qlafx00_status_cont_entry(rsp, (sts_cont_entry_t *)pkt); 2760 break; 2761 2762 case MULTI_STATUS_TYPE_FX00: 2763 qlafx00_multistatus_entry(vha, rsp, pkt); 2764 break; 2765 2766 case ABORT_IOCB_TYPE_FX00: 2767 qlafx00_abort_iocb_entry(vha, rsp->req, 2768 (struct abort_iocb_entry_fx00 *)pkt); 2769 break; 2770 2771 case IOCTL_IOSB_TYPE_FX00: 2772 qlafx00_ioctl_iosb_entry(vha, rsp->req, 2773 (struct ioctl_iocb_entry_fx00 *)pkt); 2774 break; 2775 default: 2776 /* Type Not Supported. */ 2777 ql_dbg(ql_dbg_async, vha, 0x5081, 2778 "Received unknown response pkt type %x " 2779 "entry status=%x.\n", 2780 pkt->entry_type, pkt->entry_status); 2781 break; 2782 } 2783 } 2784 2785 /* Adjust ring index */ 2786 WRT_REG_DWORD(rsp->rsp_q_out, rsp->ring_index); 2787 } 2788 2789 /** 2790 * qlafx00_async_event() - Process aynchronous events. 2791 * @vha: SCSI driver HA context 2792 */ 2793 static void 2794 qlafx00_async_event(scsi_qla_host_t *vha) 2795 { 2796 struct qla_hw_data *ha = vha->hw; 2797 struct device_reg_fx00 __iomem *reg; 2798 int data_size = 1; 2799 2800 reg = &ha->iobase->ispfx00; 2801 /* Setup to process RIO completion. */ 2802 switch (ha->aenmb[0]) { 2803 case QLAFX00_MBA_SYSTEM_ERR: /* System Error */ 2804 ql_log(ql_log_warn, vha, 0x5079, 2805 "ISP System Error - mbx1=%x\n", ha->aenmb[0]); 2806 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags); 2807 break; 2808 2809 case QLAFX00_MBA_SHUTDOWN_RQSTD: /* Shutdown requested */ 2810 ql_dbg(ql_dbg_async, vha, 0x5076, 2811 "Asynchronous FW shutdown requested.\n"); 2812 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags); 2813 qla2xxx_wake_dpc(vha); 2814 break; 2815 2816 case QLAFX00_MBA_PORT_UPDATE: /* Port database update */ 2817 ha->aenmb[1] = RD_REG_DWORD(®->aenmailbox1); 2818 ha->aenmb[2] = RD_REG_DWORD(®->aenmailbox2); 2819 ha->aenmb[3] = RD_REG_DWORD(®->aenmailbox3); 2820 ql_dbg(ql_dbg_async, vha, 0x5077, 2821 "Asynchronous port Update received " 2822 "aenmb[0]: %x, aenmb[1]: %x, aenmb[2]: %x, aenmb[3]: %x\n", 2823 ha->aenmb[0], ha->aenmb[1], ha->aenmb[2], ha->aenmb[3]); 2824 data_size = 4; 2825 break; 2826 2827 case QLAFX00_MBA_TEMP_OVER: /* Over temperature event */ 2828 ql_log(ql_log_info, vha, 0x5085, 2829 "Asynchronous over temperature event received " 2830 "aenmb[0]: %x\n", 2831 ha->aenmb[0]); 2832 break; 2833 2834 case QLAFX00_MBA_TEMP_NORM: /* Normal temperature event */ 2835 ql_log(ql_log_info, vha, 0x5086, 2836 "Asynchronous normal temperature event received " 2837 "aenmb[0]: %x\n", 2838 ha->aenmb[0]); 2839 break; 2840 2841 case QLAFX00_MBA_TEMP_CRIT: /* Critical temperature event */ 2842 ql_log(ql_log_info, vha, 0x5083, 2843 "Asynchronous critical temperature event received " 2844 "aenmb[0]: %x\n", 2845 ha->aenmb[0]); 2846 break; 2847 2848 default: 2849 ha->aenmb[1] = RD_REG_WORD(®->aenmailbox1); 2850 ha->aenmb[2] = RD_REG_WORD(®->aenmailbox2); 2851 ha->aenmb[3] = RD_REG_WORD(®->aenmailbox3); 2852 ha->aenmb[4] = RD_REG_WORD(®->aenmailbox4); 2853 ha->aenmb[5] = RD_REG_WORD(®->aenmailbox5); 2854 ha->aenmb[6] = RD_REG_WORD(®->aenmailbox6); 2855 ha->aenmb[7] = RD_REG_WORD(®->aenmailbox7); 2856 ql_dbg(ql_dbg_async, vha, 0x5078, 2857 "AEN:%04x %04x %04x %04x :%04x %04x %04x %04x\n", 2858 ha->aenmb[0], ha->aenmb[1], ha->aenmb[2], ha->aenmb[3], 2859 ha->aenmb[4], ha->aenmb[5], ha->aenmb[6], ha->aenmb[7]); 2860 break; 2861 } 2862 qlafx00_post_aenfx_work(vha, ha->aenmb[0], 2863 (uint32_t *)ha->aenmb, data_size); 2864 } 2865 2866 /** 2867 * qlafx00x_mbx_completion() - Process mailbox command completions. 2868 * @vha: SCSI driver HA context 2869 * @mb0: value to be written into mailbox register 0 2870 */ 2871 static void 2872 qlafx00_mbx_completion(scsi_qla_host_t *vha, uint32_t mb0) 2873 { 2874 uint16_t cnt; 2875 uint32_t __iomem *wptr; 2876 struct qla_hw_data *ha = vha->hw; 2877 struct device_reg_fx00 __iomem *reg = &ha->iobase->ispfx00; 2878 2879 if (!ha->mcp32) 2880 ql_dbg(ql_dbg_async, vha, 0x507e, "MBX pointer ERROR.\n"); 2881 2882 /* Load return mailbox registers. */ 2883 ha->flags.mbox_int = 1; 2884 ha->mailbox_out32[0] = mb0; 2885 wptr = (uint32_t __iomem *)®->mailbox17; 2886 2887 for (cnt = 1; cnt < ha->mbx_count; cnt++) { 2888 ha->mailbox_out32[cnt] = RD_REG_DWORD(wptr); 2889 wptr++; 2890 } 2891 } 2892 2893 /** 2894 * qlafx00_intr_handler() - Process interrupts for the ISPFX00. 2895 * @irq: interrupt number 2896 * @dev_id: SCSI driver HA context 2897 * 2898 * Called by system whenever the host adapter generates an interrupt. 2899 * 2900 * Returns handled flag. 2901 */ 2902 irqreturn_t 2903 qlafx00_intr_handler(int irq, void *dev_id) 2904 { 2905 scsi_qla_host_t *vha; 2906 struct qla_hw_data *ha; 2907 struct device_reg_fx00 __iomem *reg; 2908 int status; 2909 unsigned long iter; 2910 uint32_t stat; 2911 uint32_t mb[8]; 2912 struct rsp_que *rsp; 2913 unsigned long flags; 2914 uint32_t clr_intr = 0; 2915 uint32_t intr_stat = 0; 2916 2917 rsp = (struct rsp_que *) dev_id; 2918 if (!rsp) { 2919 ql_log(ql_log_info, NULL, 0x507d, 2920 "%s: NULL response queue pointer.\n", __func__); 2921 return IRQ_NONE; 2922 } 2923 2924 ha = rsp->hw; 2925 reg = &ha->iobase->ispfx00; 2926 status = 0; 2927 2928 if (unlikely(pci_channel_offline(ha->pdev))) 2929 return IRQ_HANDLED; 2930 2931 spin_lock_irqsave(&ha->hardware_lock, flags); 2932 vha = pci_get_drvdata(ha->pdev); 2933 for (iter = 50; iter--; clr_intr = 0) { 2934 stat = QLAFX00_RD_INTR_REG(ha); 2935 if (qla2x00_check_reg32_for_disconnect(vha, stat)) 2936 break; 2937 intr_stat = stat & QLAFX00_HST_INT_STS_BITS; 2938 if (!intr_stat) 2939 break; 2940 2941 if (stat & QLAFX00_INTR_MB_CMPLT) { 2942 mb[0] = RD_REG_WORD(®->mailbox16); 2943 qlafx00_mbx_completion(vha, mb[0]); 2944 status |= MBX_INTERRUPT; 2945 clr_intr |= QLAFX00_INTR_MB_CMPLT; 2946 } 2947 if (intr_stat & QLAFX00_INTR_ASYNC_CMPLT) { 2948 ha->aenmb[0] = RD_REG_WORD(®->aenmailbox0); 2949 qlafx00_async_event(vha); 2950 clr_intr |= QLAFX00_INTR_ASYNC_CMPLT; 2951 } 2952 if (intr_stat & QLAFX00_INTR_RSP_CMPLT) { 2953 qlafx00_process_response_queue(vha, rsp); 2954 clr_intr |= QLAFX00_INTR_RSP_CMPLT; 2955 } 2956 2957 QLAFX00_CLR_INTR_REG(ha, clr_intr); 2958 QLAFX00_RD_INTR_REG(ha); 2959 } 2960 2961 qla2x00_handle_mbx_completion(ha, status); 2962 spin_unlock_irqrestore(&ha->hardware_lock, flags); 2963 2964 return IRQ_HANDLED; 2965 } 2966 2967 /** QLAFX00 specific IOCB implementation functions */ 2968 2969 static inline cont_a64_entry_t * 2970 qlafx00_prep_cont_type1_iocb(struct req_que *req, 2971 cont_a64_entry_t *lcont_pkt) 2972 { 2973 cont_a64_entry_t *cont_pkt; 2974 2975 /* Adjust ring index. */ 2976 req->ring_index++; 2977 if (req->ring_index == req->length) { 2978 req->ring_index = 0; 2979 req->ring_ptr = req->ring; 2980 } else { 2981 req->ring_ptr++; 2982 } 2983 2984 cont_pkt = (cont_a64_entry_t *)req->ring_ptr; 2985 2986 /* Load packet defaults. */ 2987 lcont_pkt->entry_type = CONTINUE_A64_TYPE_FX00; 2988 2989 return cont_pkt; 2990 } 2991 2992 static inline void 2993 qlafx00_build_scsi_iocbs(srb_t *sp, struct cmd_type_7_fx00 *cmd_pkt, 2994 uint16_t tot_dsds, struct cmd_type_7_fx00 *lcmd_pkt) 2995 { 2996 uint16_t avail_dsds; 2997 struct dsd64 *cur_dsd; 2998 scsi_qla_host_t *vha; 2999 struct scsi_cmnd *cmd; 3000 struct scatterlist *sg; 3001 int i, cont; 3002 struct req_que *req; 3003 cont_a64_entry_t lcont_pkt; 3004 cont_a64_entry_t *cont_pkt; 3005 3006 vha = sp->vha; 3007 req = vha->req; 3008 3009 cmd = GET_CMD_SP(sp); 3010 cont = 0; 3011 cont_pkt = NULL; 3012 3013 /* Update entry type to indicate Command Type 3 IOCB */ 3014 lcmd_pkt->entry_type = FX00_COMMAND_TYPE_7; 3015 3016 /* No data transfer */ 3017 if (!scsi_bufflen(cmd) || cmd->sc_data_direction == DMA_NONE) { 3018 lcmd_pkt->byte_count = cpu_to_le32(0); 3019 return; 3020 } 3021 3022 /* Set transfer direction */ 3023 if (cmd->sc_data_direction == DMA_TO_DEVICE) { 3024 lcmd_pkt->cntrl_flags = TMF_WRITE_DATA; 3025 vha->qla_stats.output_bytes += scsi_bufflen(cmd); 3026 } else if (cmd->sc_data_direction == DMA_FROM_DEVICE) { 3027 lcmd_pkt->cntrl_flags = TMF_READ_DATA; 3028 vha->qla_stats.input_bytes += scsi_bufflen(cmd); 3029 } 3030 3031 /* One DSD is available in the Command Type 3 IOCB */ 3032 avail_dsds = 1; 3033 cur_dsd = &lcmd_pkt->dsd; 3034 3035 /* Load data segments */ 3036 scsi_for_each_sg(cmd, sg, tot_dsds, i) { 3037 /* Allocate additional continuation packets? */ 3038 if (avail_dsds == 0) { 3039 /* 3040 * Five DSDs are available in the Continuation 3041 * Type 1 IOCB. 3042 */ 3043 memset(&lcont_pkt, 0, REQUEST_ENTRY_SIZE); 3044 cont_pkt = 3045 qlafx00_prep_cont_type1_iocb(req, &lcont_pkt); 3046 cur_dsd = lcont_pkt.dsd; 3047 avail_dsds = 5; 3048 cont = 1; 3049 } 3050 3051 append_dsd64(&cur_dsd, sg); 3052 avail_dsds--; 3053 if (avail_dsds == 0 && cont == 1) { 3054 cont = 0; 3055 memcpy_toio((void __iomem *)cont_pkt, &lcont_pkt, 3056 sizeof(lcont_pkt)); 3057 } 3058 3059 } 3060 if (avail_dsds != 0 && cont == 1) { 3061 memcpy_toio((void __iomem *)cont_pkt, &lcont_pkt, 3062 sizeof(lcont_pkt)); 3063 } 3064 } 3065 3066 /** 3067 * qlafx00_start_scsi() - Send a SCSI command to the ISP 3068 * @sp: command to send to the ISP 3069 * 3070 * Returns non-zero if a failure occurred, else zero. 3071 */ 3072 int 3073 qlafx00_start_scsi(srb_t *sp) 3074 { 3075 int nseg; 3076 unsigned long flags; 3077 uint32_t handle; 3078 uint16_t cnt; 3079 uint16_t req_cnt; 3080 uint16_t tot_dsds; 3081 struct req_que *req = NULL; 3082 struct rsp_que *rsp = NULL; 3083 struct scsi_cmnd *cmd = GET_CMD_SP(sp); 3084 struct scsi_qla_host *vha = sp->vha; 3085 struct qla_hw_data *ha = vha->hw; 3086 struct cmd_type_7_fx00 *cmd_pkt; 3087 struct cmd_type_7_fx00 lcmd_pkt; 3088 struct scsi_lun llun; 3089 3090 /* Setup device pointers. */ 3091 rsp = ha->rsp_q_map[0]; 3092 req = vha->req; 3093 3094 /* So we know we haven't pci_map'ed anything yet */ 3095 tot_dsds = 0; 3096 3097 /* Acquire ring specific lock */ 3098 spin_lock_irqsave(&ha->hardware_lock, flags); 3099 3100 handle = qla2xxx_get_next_handle(req); 3101 if (handle == 0) 3102 goto queuing_error; 3103 3104 /* Map the sg table so we have an accurate count of sg entries needed */ 3105 if (scsi_sg_count(cmd)) { 3106 nseg = dma_map_sg(&ha->pdev->dev, scsi_sglist(cmd), 3107 scsi_sg_count(cmd), cmd->sc_data_direction); 3108 if (unlikely(!nseg)) 3109 goto queuing_error; 3110 } else 3111 nseg = 0; 3112 3113 tot_dsds = nseg; 3114 req_cnt = qla24xx_calc_iocbs(vha, tot_dsds); 3115 if (req->cnt < (req_cnt + 2)) { 3116 cnt = RD_REG_DWORD_RELAXED(req->req_q_out); 3117 3118 if (req->ring_index < cnt) 3119 req->cnt = cnt - req->ring_index; 3120 else 3121 req->cnt = req->length - 3122 (req->ring_index - cnt); 3123 if (req->cnt < (req_cnt + 2)) 3124 goto queuing_error; 3125 } 3126 3127 /* Build command packet. */ 3128 req->current_outstanding_cmd = handle; 3129 req->outstanding_cmds[handle] = sp; 3130 sp->handle = handle; 3131 cmd->host_scribble = (unsigned char *)(unsigned long)handle; 3132 req->cnt -= req_cnt; 3133 3134 cmd_pkt = (struct cmd_type_7_fx00 *)req->ring_ptr; 3135 3136 memset(&lcmd_pkt, 0, REQUEST_ENTRY_SIZE); 3137 3138 lcmd_pkt.handle = make_handle(req->id, sp->handle); 3139 lcmd_pkt.reserved_0 = 0; 3140 lcmd_pkt.port_path_ctrl = 0; 3141 lcmd_pkt.reserved_1 = 0; 3142 lcmd_pkt.dseg_count = cpu_to_le16(tot_dsds); 3143 lcmd_pkt.tgt_idx = cpu_to_le16(sp->fcport->tgt_id); 3144 3145 int_to_scsilun(cmd->device->lun, &llun); 3146 host_to_adap((uint8_t *)&llun, (uint8_t *)&lcmd_pkt.lun, 3147 sizeof(lcmd_pkt.lun)); 3148 3149 /* Load SCSI command packet. */ 3150 host_to_adap(cmd->cmnd, lcmd_pkt.fcp_cdb, sizeof(lcmd_pkt.fcp_cdb)); 3151 lcmd_pkt.byte_count = cpu_to_le32((uint32_t)scsi_bufflen(cmd)); 3152 3153 /* Build IOCB segments */ 3154 qlafx00_build_scsi_iocbs(sp, cmd_pkt, tot_dsds, &lcmd_pkt); 3155 3156 /* Set total data segment count. */ 3157 lcmd_pkt.entry_count = (uint8_t)req_cnt; 3158 3159 /* Specify response queue number where completion should happen */ 3160 lcmd_pkt.entry_status = (uint8_t) rsp->id; 3161 3162 ql_dump_buffer(ql_dbg_io + ql_dbg_buffer, vha, 0x302e, 3163 cmd->cmnd, cmd->cmd_len); 3164 ql_dump_buffer(ql_dbg_io + ql_dbg_buffer, vha, 0x3032, 3165 &lcmd_pkt, sizeof(lcmd_pkt)); 3166 3167 memcpy_toio((void __iomem *)cmd_pkt, &lcmd_pkt, REQUEST_ENTRY_SIZE); 3168 wmb(); 3169 3170 /* Adjust ring index. */ 3171 req->ring_index++; 3172 if (req->ring_index == req->length) { 3173 req->ring_index = 0; 3174 req->ring_ptr = req->ring; 3175 } else 3176 req->ring_ptr++; 3177 3178 sp->flags |= SRB_DMA_VALID; 3179 3180 /* Set chip new ring index. */ 3181 WRT_REG_DWORD(req->req_q_in, req->ring_index); 3182 QLAFX00_SET_HST_INTR(ha, ha->rqstq_intr_code); 3183 3184 spin_unlock_irqrestore(&ha->hardware_lock, flags); 3185 return QLA_SUCCESS; 3186 3187 queuing_error: 3188 if (tot_dsds) 3189 scsi_dma_unmap(cmd); 3190 3191 spin_unlock_irqrestore(&ha->hardware_lock, flags); 3192 3193 return QLA_FUNCTION_FAILED; 3194 } 3195 3196 void 3197 qlafx00_tm_iocb(srb_t *sp, struct tsk_mgmt_entry_fx00 *ptm_iocb) 3198 { 3199 struct srb_iocb *fxio = &sp->u.iocb_cmd; 3200 scsi_qla_host_t *vha = sp->vha; 3201 struct req_que *req = vha->req; 3202 struct tsk_mgmt_entry_fx00 tm_iocb; 3203 struct scsi_lun llun; 3204 3205 memset(&tm_iocb, 0, sizeof(struct tsk_mgmt_entry_fx00)); 3206 tm_iocb.entry_type = TSK_MGMT_IOCB_TYPE_FX00; 3207 tm_iocb.entry_count = 1; 3208 tm_iocb.handle = cpu_to_le32(make_handle(req->id, sp->handle)); 3209 tm_iocb.reserved_0 = 0; 3210 tm_iocb.tgt_id = cpu_to_le16(sp->fcport->tgt_id); 3211 tm_iocb.control_flags = cpu_to_le32(fxio->u.tmf.flags); 3212 if (tm_iocb.control_flags == cpu_to_le32((uint32_t)TCF_LUN_RESET)) { 3213 int_to_scsilun(fxio->u.tmf.lun, &llun); 3214 host_to_adap((uint8_t *)&llun, (uint8_t *)&tm_iocb.lun, 3215 sizeof(struct scsi_lun)); 3216 } 3217 3218 memcpy((void *)ptm_iocb, &tm_iocb, 3219 sizeof(struct tsk_mgmt_entry_fx00)); 3220 wmb(); 3221 } 3222 3223 void 3224 qlafx00_abort_iocb(srb_t *sp, struct abort_iocb_entry_fx00 *pabt_iocb) 3225 { 3226 struct srb_iocb *fxio = &sp->u.iocb_cmd; 3227 scsi_qla_host_t *vha = sp->vha; 3228 struct req_que *req = vha->req; 3229 struct abort_iocb_entry_fx00 abt_iocb; 3230 3231 memset(&abt_iocb, 0, sizeof(struct abort_iocb_entry_fx00)); 3232 abt_iocb.entry_type = ABORT_IOCB_TYPE_FX00; 3233 abt_iocb.entry_count = 1; 3234 abt_iocb.handle = cpu_to_le32(make_handle(req->id, sp->handle)); 3235 abt_iocb.abort_handle = 3236 cpu_to_le32(make_handle(req->id, fxio->u.abt.cmd_hndl)); 3237 abt_iocb.tgt_id_sts = cpu_to_le16(sp->fcport->tgt_id); 3238 abt_iocb.req_que_no = cpu_to_le16(req->id); 3239 3240 memcpy((void *)pabt_iocb, &abt_iocb, 3241 sizeof(struct abort_iocb_entry_fx00)); 3242 wmb(); 3243 } 3244 3245 void 3246 qlafx00_fxdisc_iocb(srb_t *sp, struct fxdisc_entry_fx00 *pfxiocb) 3247 { 3248 struct srb_iocb *fxio = &sp->u.iocb_cmd; 3249 struct qla_mt_iocb_rqst_fx00 *piocb_rqst; 3250 struct bsg_job *bsg_job; 3251 struct fc_bsg_request *bsg_request; 3252 struct fxdisc_entry_fx00 fx_iocb; 3253 uint8_t entry_cnt = 1; 3254 3255 memset(&fx_iocb, 0, sizeof(struct fxdisc_entry_fx00)); 3256 fx_iocb.entry_type = FX00_IOCB_TYPE; 3257 fx_iocb.handle = cpu_to_le32(sp->handle); 3258 fx_iocb.entry_count = entry_cnt; 3259 3260 if (sp->type == SRB_FXIOCB_DCMD) { 3261 fx_iocb.func_num = 3262 sp->u.iocb_cmd.u.fxiocb.req_func_type; 3263 fx_iocb.adapid = fxio->u.fxiocb.adapter_id; 3264 fx_iocb.adapid_hi = fxio->u.fxiocb.adapter_id_hi; 3265 fx_iocb.reserved_0 = fxio->u.fxiocb.reserved_0; 3266 fx_iocb.reserved_1 = fxio->u.fxiocb.reserved_1; 3267 fx_iocb.dataword_extra = fxio->u.fxiocb.req_data_extra; 3268 3269 if (fxio->u.fxiocb.flags & SRB_FXDISC_REQ_DMA_VALID) { 3270 fx_iocb.req_dsdcnt = cpu_to_le16(1); 3271 fx_iocb.req_xfrcnt = 3272 cpu_to_le16(fxio->u.fxiocb.req_len); 3273 put_unaligned_le64(fxio->u.fxiocb.req_dma_handle, 3274 &fx_iocb.dseg_rq.address); 3275 fx_iocb.dseg_rq.length = 3276 cpu_to_le32(fxio->u.fxiocb.req_len); 3277 } 3278 3279 if (fxio->u.fxiocb.flags & SRB_FXDISC_RESP_DMA_VALID) { 3280 fx_iocb.rsp_dsdcnt = cpu_to_le16(1); 3281 fx_iocb.rsp_xfrcnt = 3282 cpu_to_le16(fxio->u.fxiocb.rsp_len); 3283 put_unaligned_le64(fxio->u.fxiocb.rsp_dma_handle, 3284 &fx_iocb.dseg_rsp.address); 3285 fx_iocb.dseg_rsp.length = 3286 cpu_to_le32(fxio->u.fxiocb.rsp_len); 3287 } 3288 3289 if (fxio->u.fxiocb.flags & SRB_FXDISC_REQ_DWRD_VALID) { 3290 fx_iocb.dataword = fxio->u.fxiocb.req_data; 3291 } 3292 fx_iocb.flags = fxio->u.fxiocb.flags; 3293 } else { 3294 struct scatterlist *sg; 3295 3296 bsg_job = sp->u.bsg_job; 3297 bsg_request = bsg_job->request; 3298 piocb_rqst = (struct qla_mt_iocb_rqst_fx00 *) 3299 &bsg_request->rqst_data.h_vendor.vendor_cmd[1]; 3300 3301 fx_iocb.func_num = piocb_rqst->func_type; 3302 fx_iocb.adapid = piocb_rqst->adapid; 3303 fx_iocb.adapid_hi = piocb_rqst->adapid_hi; 3304 fx_iocb.reserved_0 = piocb_rqst->reserved_0; 3305 fx_iocb.reserved_1 = piocb_rqst->reserved_1; 3306 fx_iocb.dataword_extra = piocb_rqst->dataword_extra; 3307 fx_iocb.dataword = piocb_rqst->dataword; 3308 fx_iocb.req_xfrcnt = piocb_rqst->req_len; 3309 fx_iocb.rsp_xfrcnt = piocb_rqst->rsp_len; 3310 3311 if (piocb_rqst->flags & SRB_FXDISC_REQ_DMA_VALID) { 3312 int avail_dsds, tot_dsds; 3313 cont_a64_entry_t lcont_pkt; 3314 cont_a64_entry_t *cont_pkt = NULL; 3315 struct dsd64 *cur_dsd; 3316 int index = 0, cont = 0; 3317 3318 fx_iocb.req_dsdcnt = 3319 cpu_to_le16(bsg_job->request_payload.sg_cnt); 3320 tot_dsds = 3321 bsg_job->request_payload.sg_cnt; 3322 cur_dsd = &fx_iocb.dseg_rq; 3323 avail_dsds = 1; 3324 for_each_sg(bsg_job->request_payload.sg_list, sg, 3325 tot_dsds, index) { 3326 /* Allocate additional continuation packets? */ 3327 if (avail_dsds == 0) { 3328 /* 3329 * Five DSDs are available in the Cont. 3330 * Type 1 IOCB. 3331 */ 3332 memset(&lcont_pkt, 0, 3333 REQUEST_ENTRY_SIZE); 3334 cont_pkt = 3335 qlafx00_prep_cont_type1_iocb( 3336 sp->vha->req, &lcont_pkt); 3337 cur_dsd = lcont_pkt.dsd; 3338 avail_dsds = 5; 3339 cont = 1; 3340 entry_cnt++; 3341 } 3342 3343 append_dsd64(&cur_dsd, sg); 3344 avail_dsds--; 3345 3346 if (avail_dsds == 0 && cont == 1) { 3347 cont = 0; 3348 memcpy_toio( 3349 (void __iomem *)cont_pkt, 3350 &lcont_pkt, REQUEST_ENTRY_SIZE); 3351 ql_dump_buffer( 3352 ql_dbg_user + ql_dbg_verbose, 3353 sp->vha, 0x3042, 3354 (uint8_t *)&lcont_pkt, 3355 REQUEST_ENTRY_SIZE); 3356 } 3357 } 3358 if (avail_dsds != 0 && cont == 1) { 3359 memcpy_toio((void __iomem *)cont_pkt, 3360 &lcont_pkt, REQUEST_ENTRY_SIZE); 3361 ql_dump_buffer(ql_dbg_user + ql_dbg_verbose, 3362 sp->vha, 0x3043, 3363 (uint8_t *)&lcont_pkt, REQUEST_ENTRY_SIZE); 3364 } 3365 } 3366 3367 if (piocb_rqst->flags & SRB_FXDISC_RESP_DMA_VALID) { 3368 int avail_dsds, tot_dsds; 3369 cont_a64_entry_t lcont_pkt; 3370 cont_a64_entry_t *cont_pkt = NULL; 3371 struct dsd64 *cur_dsd; 3372 int index = 0, cont = 0; 3373 3374 fx_iocb.rsp_dsdcnt = 3375 cpu_to_le16(bsg_job->reply_payload.sg_cnt); 3376 tot_dsds = bsg_job->reply_payload.sg_cnt; 3377 cur_dsd = &fx_iocb.dseg_rsp; 3378 avail_dsds = 1; 3379 3380 for_each_sg(bsg_job->reply_payload.sg_list, sg, 3381 tot_dsds, index) { 3382 /* Allocate additional continuation packets? */ 3383 if (avail_dsds == 0) { 3384 /* 3385 * Five DSDs are available in the Cont. 3386 * Type 1 IOCB. 3387 */ 3388 memset(&lcont_pkt, 0, 3389 REQUEST_ENTRY_SIZE); 3390 cont_pkt = 3391 qlafx00_prep_cont_type1_iocb( 3392 sp->vha->req, &lcont_pkt); 3393 cur_dsd = lcont_pkt.dsd; 3394 avail_dsds = 5; 3395 cont = 1; 3396 entry_cnt++; 3397 } 3398 3399 append_dsd64(&cur_dsd, sg); 3400 avail_dsds--; 3401 3402 if (avail_dsds == 0 && cont == 1) { 3403 cont = 0; 3404 memcpy_toio((void __iomem *)cont_pkt, 3405 &lcont_pkt, 3406 REQUEST_ENTRY_SIZE); 3407 ql_dump_buffer( 3408 ql_dbg_user + ql_dbg_verbose, 3409 sp->vha, 0x3045, 3410 (uint8_t *)&lcont_pkt, 3411 REQUEST_ENTRY_SIZE); 3412 } 3413 } 3414 if (avail_dsds != 0 && cont == 1) { 3415 memcpy_toio((void __iomem *)cont_pkt, 3416 &lcont_pkt, REQUEST_ENTRY_SIZE); 3417 ql_dump_buffer(ql_dbg_user + ql_dbg_verbose, 3418 sp->vha, 0x3046, 3419 (uint8_t *)&lcont_pkt, REQUEST_ENTRY_SIZE); 3420 } 3421 } 3422 3423 if (piocb_rqst->flags & SRB_FXDISC_REQ_DWRD_VALID) 3424 fx_iocb.dataword = piocb_rqst->dataword; 3425 fx_iocb.flags = piocb_rqst->flags; 3426 fx_iocb.entry_count = entry_cnt; 3427 } 3428 3429 ql_dump_buffer(ql_dbg_user + ql_dbg_verbose, 3430 sp->vha, 0x3047, &fx_iocb, sizeof(fx_iocb)); 3431 3432 memcpy_toio((void __iomem *)pfxiocb, &fx_iocb, sizeof(fx_iocb)); 3433 wmb(); 3434 } 3435