1 // SPDX-License-Identifier: GPL-2.0-only 2 /* 3 * QLogic Fibre Channel HBA Driver 4 * Copyright (c) 2003-2014 QLogic Corporation 5 */ 6 #include "qla_def.h" 7 #include <linux/delay.h> 8 #include <linux/ktime.h> 9 #include <linux/pci.h> 10 #include <linux/ratelimit.h> 11 #include <linux/vmalloc.h> 12 #include <scsi/scsi_tcq.h> 13 #include <linux/utsname.h> 14 15 16 /* QLAFX00 specific Mailbox implementation functions */ 17 18 /* 19 * qlafx00_mailbox_command 20 * Issue mailbox command and waits for completion. 21 * 22 * Input: 23 * ha = adapter block pointer. 24 * mcp = driver internal mbx struct pointer. 25 * 26 * Output: 27 * mb[MAX_MAILBOX_REGISTER_COUNT] = returned mailbox data. 28 * 29 * Returns: 30 * 0 : QLA_SUCCESS = cmd performed success 31 * 1 : QLA_FUNCTION_FAILED (error encountered) 32 * 6 : QLA_FUNCTION_TIMEOUT (timeout condition encountered) 33 * 34 * Context: 35 * Kernel context. 36 */ 37 static int 38 qlafx00_mailbox_command(scsi_qla_host_t *vha, struct mbx_cmd_32 *mcp) 39 40 { 41 int rval; 42 unsigned long flags = 0; 43 device_reg_t *reg; 44 uint8_t abort_active; 45 uint8_t io_lock_on; 46 uint16_t command = 0; 47 uint32_t *iptr; 48 __le32 __iomem *optr; 49 uint32_t cnt; 50 uint32_t mboxes; 51 unsigned long wait_time; 52 struct qla_hw_data *ha = vha->hw; 53 scsi_qla_host_t *base_vha = pci_get_drvdata(ha->pdev); 54 55 if (ha->pdev->error_state == pci_channel_io_perm_failure) { 56 ql_log(ql_log_warn, vha, 0x115c, 57 "PCI channel failed permanently, exiting.\n"); 58 return QLA_FUNCTION_TIMEOUT; 59 } 60 61 if (vha->device_flags & DFLG_DEV_FAILED) { 62 ql_log(ql_log_warn, vha, 0x115f, 63 "Device in failed state, exiting.\n"); 64 return QLA_FUNCTION_TIMEOUT; 65 } 66 67 reg = ha->iobase; 68 io_lock_on = base_vha->flags.init_done; 69 70 rval = QLA_SUCCESS; 71 abort_active = test_bit(ABORT_ISP_ACTIVE, &base_vha->dpc_flags); 72 73 if (ha->flags.pci_channel_io_perm_failure) { 74 ql_log(ql_log_warn, vha, 0x1175, 75 "Perm failure on EEH timeout MBX, exiting.\n"); 76 return QLA_FUNCTION_TIMEOUT; 77 } 78 79 if (ha->flags.isp82xx_fw_hung) { 80 /* Setting Link-Down error */ 81 mcp->mb[0] = MBS_LINK_DOWN_ERROR; 82 ql_log(ql_log_warn, vha, 0x1176, 83 "FW hung = %d.\n", ha->flags.isp82xx_fw_hung); 84 rval = QLA_FUNCTION_FAILED; 85 goto premature_exit; 86 } 87 88 /* 89 * Wait for active mailbox commands to finish by waiting at most tov 90 * seconds. This is to serialize actual issuing of mailbox cmds during 91 * non ISP abort time. 92 */ 93 if (!wait_for_completion_timeout(&ha->mbx_cmd_comp, mcp->tov * HZ)) { 94 /* Timeout occurred. Return error. */ 95 ql_log(ql_log_warn, vha, 0x1177, 96 "Cmd access timeout, cmd=0x%x, Exiting.\n", 97 mcp->mb[0]); 98 return QLA_FUNCTION_TIMEOUT; 99 } 100 101 ha->flags.mbox_busy = 1; 102 /* Save mailbox command for debug */ 103 ha->mcp32 = mcp; 104 105 ql_dbg(ql_dbg_mbx, vha, 0x1178, 106 "Prepare to issue mbox cmd=0x%x.\n", mcp->mb[0]); 107 108 spin_lock_irqsave(&ha->hardware_lock, flags); 109 110 /* Load mailbox registers. */ 111 optr = ®->ispfx00.mailbox0; 112 113 iptr = mcp->mb; 114 command = mcp->mb[0]; 115 mboxes = mcp->out_mb; 116 117 for (cnt = 0; cnt < ha->mbx_count; cnt++) { 118 if (mboxes & BIT_0) 119 wrt_reg_dword(optr, *iptr); 120 121 mboxes >>= 1; 122 optr++; 123 iptr++; 124 } 125 126 /* Issue set host interrupt command to send cmd out. */ 127 ha->flags.mbox_int = 0; 128 clear_bit(MBX_INTERRUPT, &ha->mbx_cmd_flags); 129 130 ql_dump_buffer(ql_dbg_mbx + ql_dbg_buffer, vha, 0x1172, 131 (uint8_t *)mcp->mb, 16); 132 ql_dump_buffer(ql_dbg_mbx + ql_dbg_buffer, vha, 0x1173, 133 ((uint8_t *)mcp->mb + 0x10), 16); 134 ql_dump_buffer(ql_dbg_mbx + ql_dbg_buffer, vha, 0x1174, 135 ((uint8_t *)mcp->mb + 0x20), 8); 136 137 /* Unlock mbx registers and wait for interrupt */ 138 ql_dbg(ql_dbg_mbx, vha, 0x1179, 139 "Going to unlock irq & waiting for interrupts. " 140 "jiffies=%lx.\n", jiffies); 141 142 /* Wait for mbx cmd completion until timeout */ 143 if ((!abort_active && io_lock_on) || IS_NOPOLLING_TYPE(ha)) { 144 set_bit(MBX_INTR_WAIT, &ha->mbx_cmd_flags); 145 146 QLAFX00_SET_HST_INTR(ha, ha->mbx_intr_code); 147 spin_unlock_irqrestore(&ha->hardware_lock, flags); 148 149 WARN_ON_ONCE(wait_for_completion_timeout(&ha->mbx_intr_comp, 150 mcp->tov * HZ) != 0); 151 } else { 152 ql_dbg(ql_dbg_mbx, vha, 0x112c, 153 "Cmd=%x Polling Mode.\n", command); 154 155 QLAFX00_SET_HST_INTR(ha, ha->mbx_intr_code); 156 spin_unlock_irqrestore(&ha->hardware_lock, flags); 157 158 wait_time = jiffies + mcp->tov * HZ; /* wait at most tov secs */ 159 while (!ha->flags.mbox_int) { 160 if (time_after(jiffies, wait_time)) 161 break; 162 163 /* Check for pending interrupts. */ 164 qla2x00_poll(ha->rsp_q_map[0]); 165 166 if (!ha->flags.mbox_int && 167 !(IS_QLA2200(ha) && 168 command == MBC_LOAD_RISC_RAM_EXTENDED)) 169 usleep_range(10000, 11000); 170 } /* while */ 171 ql_dbg(ql_dbg_mbx, vha, 0x112d, 172 "Waited %d sec.\n", 173 (uint)((jiffies - (wait_time - (mcp->tov * HZ)))/HZ)); 174 } 175 176 /* Check whether we timed out */ 177 if (ha->flags.mbox_int) { 178 uint32_t *iptr2; 179 180 ql_dbg(ql_dbg_mbx, vha, 0x112e, 181 "Cmd=%x completed.\n", command); 182 183 /* Got interrupt. Clear the flag. */ 184 ha->flags.mbox_int = 0; 185 clear_bit(MBX_INTERRUPT, &ha->mbx_cmd_flags); 186 187 if (ha->mailbox_out32[0] != MBS_COMMAND_COMPLETE) 188 rval = QLA_FUNCTION_FAILED; 189 190 /* Load return mailbox registers. */ 191 iptr2 = mcp->mb; 192 iptr = (uint32_t *)&ha->mailbox_out32[0]; 193 mboxes = mcp->in_mb; 194 for (cnt = 0; cnt < ha->mbx_count; cnt++) { 195 if (mboxes & BIT_0) 196 *iptr2 = *iptr; 197 198 mboxes >>= 1; 199 iptr2++; 200 iptr++; 201 } 202 } else { 203 204 rval = QLA_FUNCTION_TIMEOUT; 205 } 206 207 ha->flags.mbox_busy = 0; 208 209 /* Clean up */ 210 ha->mcp32 = NULL; 211 212 if ((abort_active || !io_lock_on) && !IS_NOPOLLING_TYPE(ha)) { 213 ql_dbg(ql_dbg_mbx, vha, 0x113a, 214 "checking for additional resp interrupt.\n"); 215 216 /* polling mode for non isp_abort commands. */ 217 qla2x00_poll(ha->rsp_q_map[0]); 218 } 219 220 if (rval == QLA_FUNCTION_TIMEOUT && 221 mcp->mb[0] != MBC_GEN_SYSTEM_ERROR) { 222 if (!io_lock_on || (mcp->flags & IOCTL_CMD) || 223 ha->flags.eeh_busy) { 224 /* not in dpc. schedule it for dpc to take over. */ 225 ql_dbg(ql_dbg_mbx, vha, 0x115d, 226 "Timeout, schedule isp_abort_needed.\n"); 227 228 if (!test_bit(ISP_ABORT_NEEDED, &vha->dpc_flags) && 229 !test_bit(ABORT_ISP_ACTIVE, &vha->dpc_flags) && 230 !test_bit(ISP_ABORT_RETRY, &vha->dpc_flags)) { 231 232 ql_log(ql_log_info, base_vha, 0x115e, 233 "Mailbox cmd timeout occurred, cmd=0x%x, " 234 "mb[0]=0x%x, eeh_busy=0x%x. Scheduling ISP " 235 "abort.\n", command, mcp->mb[0], 236 ha->flags.eeh_busy); 237 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags); 238 qla2xxx_wake_dpc(vha); 239 } 240 } else if (!abort_active) { 241 /* call abort directly since we are in the DPC thread */ 242 ql_dbg(ql_dbg_mbx, vha, 0x1160, 243 "Timeout, calling abort_isp.\n"); 244 245 if (!test_bit(ISP_ABORT_NEEDED, &vha->dpc_flags) && 246 !test_bit(ABORT_ISP_ACTIVE, &vha->dpc_flags) && 247 !test_bit(ISP_ABORT_RETRY, &vha->dpc_flags)) { 248 249 ql_log(ql_log_info, base_vha, 0x1161, 250 "Mailbox cmd timeout occurred, cmd=0x%x, " 251 "mb[0]=0x%x. Scheduling ISP abort ", 252 command, mcp->mb[0]); 253 254 set_bit(ABORT_ISP_ACTIVE, &vha->dpc_flags); 255 clear_bit(ISP_ABORT_NEEDED, &vha->dpc_flags); 256 if (ha->isp_ops->abort_isp(vha)) { 257 /* Failed. retry later. */ 258 set_bit(ISP_ABORT_NEEDED, 259 &vha->dpc_flags); 260 } 261 clear_bit(ABORT_ISP_ACTIVE, &vha->dpc_flags); 262 ql_dbg(ql_dbg_mbx, vha, 0x1162, 263 "Finished abort_isp.\n"); 264 } 265 } 266 } 267 268 premature_exit: 269 /* Allow next mbx cmd to come in. */ 270 complete(&ha->mbx_cmd_comp); 271 272 if (rval) { 273 ql_log(ql_log_warn, base_vha, 0x1163, 274 "**** Failed=%x mbx[0]=%x, mb[1]=%x, mb[2]=%x, mb[3]=%x, cmd=%x ****.\n", 275 rval, mcp->mb[0], mcp->mb[1], mcp->mb[2], mcp->mb[3], 276 command); 277 } else { 278 ql_dbg(ql_dbg_mbx, base_vha, 0x1164, "Done %s.\n", __func__); 279 } 280 281 return rval; 282 } 283 284 /* 285 * qlafx00_driver_shutdown 286 * Indicate a driver shutdown to firmware. 287 * 288 * Input: 289 * ha = adapter block pointer. 290 * 291 * Returns: 292 * local function return status code. 293 * 294 * Context: 295 * Kernel context. 296 */ 297 int 298 qlafx00_driver_shutdown(scsi_qla_host_t *vha, int tmo) 299 { 300 int rval; 301 struct mbx_cmd_32 mc; 302 struct mbx_cmd_32 *mcp = &mc; 303 304 ql_dbg(ql_dbg_mbx + ql_dbg_verbose, vha, 0x1166, 305 "Entered %s.\n", __func__); 306 307 mcp->mb[0] = MBC_MR_DRV_SHUTDOWN; 308 mcp->out_mb = MBX_0; 309 mcp->in_mb = MBX_0; 310 if (tmo) 311 mcp->tov = tmo; 312 else 313 mcp->tov = MBX_TOV_SECONDS; 314 mcp->flags = 0; 315 rval = qlafx00_mailbox_command(vha, mcp); 316 317 if (rval != QLA_SUCCESS) { 318 ql_dbg(ql_dbg_mbx, vha, 0x1167, 319 "Failed=%x.\n", rval); 320 } else { 321 ql_dbg(ql_dbg_mbx + ql_dbg_verbose, vha, 0x1168, 322 "Done %s.\n", __func__); 323 } 324 325 return rval; 326 } 327 328 /* 329 * qlafx00_get_firmware_state 330 * Get adapter firmware state. 331 * 332 * Input: 333 * ha = adapter block pointer. 334 * TARGET_QUEUE_LOCK must be released. 335 * ADAPTER_STATE_LOCK must be released. 336 * 337 * Returns: 338 * qla7xxx local function return status code. 339 * 340 * Context: 341 * Kernel context. 342 */ 343 static int 344 qlafx00_get_firmware_state(scsi_qla_host_t *vha, uint32_t *states) 345 { 346 int rval; 347 struct mbx_cmd_32 mc; 348 struct mbx_cmd_32 *mcp = &mc; 349 350 ql_dbg(ql_dbg_mbx + ql_dbg_verbose, vha, 0x1169, 351 "Entered %s.\n", __func__); 352 353 mcp->mb[0] = MBC_GET_FIRMWARE_STATE; 354 mcp->out_mb = MBX_0; 355 mcp->in_mb = MBX_1|MBX_0; 356 mcp->tov = MBX_TOV_SECONDS; 357 mcp->flags = 0; 358 rval = qlafx00_mailbox_command(vha, mcp); 359 360 /* Return firmware states. */ 361 states[0] = mcp->mb[1]; 362 363 if (rval != QLA_SUCCESS) { 364 ql_dbg(ql_dbg_mbx, vha, 0x116a, 365 "Failed=%x mb[0]=%x.\n", rval, mcp->mb[0]); 366 } else { 367 ql_dbg(ql_dbg_mbx + ql_dbg_verbose, vha, 0x116b, 368 "Done %s.\n", __func__); 369 } 370 return rval; 371 } 372 373 /* 374 * qlafx00_init_firmware 375 * Initialize adapter firmware. 376 * 377 * Input: 378 * ha = adapter block pointer. 379 * dptr = Initialization control block pointer. 380 * size = size of initialization control block. 381 * TARGET_QUEUE_LOCK must be released. 382 * ADAPTER_STATE_LOCK must be released. 383 * 384 * Returns: 385 * qlafx00 local function return status code. 386 * 387 * Context: 388 * Kernel context. 389 */ 390 int 391 qlafx00_init_firmware(scsi_qla_host_t *vha, uint16_t size) 392 { 393 int rval; 394 struct mbx_cmd_32 mc; 395 struct mbx_cmd_32 *mcp = &mc; 396 struct qla_hw_data *ha = vha->hw; 397 398 ql_dbg(ql_dbg_mbx + ql_dbg_verbose, vha, 0x116c, 399 "Entered %s.\n", __func__); 400 401 mcp->mb[0] = MBC_INITIALIZE_FIRMWARE; 402 403 mcp->mb[1] = 0; 404 mcp->mb[2] = MSD(ha->init_cb_dma); 405 mcp->mb[3] = LSD(ha->init_cb_dma); 406 407 mcp->out_mb = MBX_3|MBX_2|MBX_1|MBX_0; 408 mcp->in_mb = MBX_0; 409 mcp->buf_size = size; 410 mcp->flags = MBX_DMA_OUT; 411 mcp->tov = MBX_TOV_SECONDS; 412 rval = qlafx00_mailbox_command(vha, mcp); 413 414 if (rval != QLA_SUCCESS) { 415 ql_dbg(ql_dbg_mbx, vha, 0x116d, 416 "Failed=%x mb[0]=%x.\n", rval, mcp->mb[0]); 417 } else { 418 ql_dbg(ql_dbg_mbx + ql_dbg_verbose, vha, 0x116e, 419 "Done %s.\n", __func__); 420 } 421 return rval; 422 } 423 424 /* 425 * qlafx00_mbx_reg_test 426 */ 427 static int 428 qlafx00_mbx_reg_test(scsi_qla_host_t *vha) 429 { 430 int rval; 431 struct mbx_cmd_32 mc; 432 struct mbx_cmd_32 *mcp = &mc; 433 434 ql_dbg(ql_dbg_mbx + ql_dbg_verbose, vha, 0x116f, 435 "Entered %s.\n", __func__); 436 437 438 mcp->mb[0] = MBC_MAILBOX_REGISTER_TEST; 439 mcp->mb[1] = 0xAAAA; 440 mcp->mb[2] = 0x5555; 441 mcp->mb[3] = 0xAA55; 442 mcp->mb[4] = 0x55AA; 443 mcp->mb[5] = 0xA5A5; 444 mcp->mb[6] = 0x5A5A; 445 mcp->mb[7] = 0x2525; 446 mcp->mb[8] = 0xBBBB; 447 mcp->mb[9] = 0x6666; 448 mcp->mb[10] = 0xBB66; 449 mcp->mb[11] = 0x66BB; 450 mcp->mb[12] = 0xB6B6; 451 mcp->mb[13] = 0x6B6B; 452 mcp->mb[14] = 0x3636; 453 mcp->mb[15] = 0xCCCC; 454 455 456 mcp->out_mb = MBX_15|MBX_14|MBX_13|MBX_12|MBX_11|MBX_10|MBX_9|MBX_8| 457 MBX_7|MBX_6|MBX_5|MBX_4|MBX_3|MBX_2|MBX_1|MBX_0; 458 mcp->in_mb = MBX_15|MBX_14|MBX_13|MBX_12|MBX_11|MBX_10|MBX_9|MBX_8| 459 MBX_7|MBX_6|MBX_5|MBX_4|MBX_3|MBX_2|MBX_1|MBX_0; 460 mcp->buf_size = 0; 461 mcp->flags = MBX_DMA_OUT; 462 mcp->tov = MBX_TOV_SECONDS; 463 rval = qlafx00_mailbox_command(vha, mcp); 464 if (rval == QLA_SUCCESS) { 465 if (mcp->mb[17] != 0xAAAA || mcp->mb[18] != 0x5555 || 466 mcp->mb[19] != 0xAA55 || mcp->mb[20] != 0x55AA) 467 rval = QLA_FUNCTION_FAILED; 468 if (mcp->mb[21] != 0xA5A5 || mcp->mb[22] != 0x5A5A || 469 mcp->mb[23] != 0x2525 || mcp->mb[24] != 0xBBBB) 470 rval = QLA_FUNCTION_FAILED; 471 if (mcp->mb[25] != 0x6666 || mcp->mb[26] != 0xBB66 || 472 mcp->mb[27] != 0x66BB || mcp->mb[28] != 0xB6B6) 473 rval = QLA_FUNCTION_FAILED; 474 if (mcp->mb[29] != 0x6B6B || mcp->mb[30] != 0x3636 || 475 mcp->mb[31] != 0xCCCC) 476 rval = QLA_FUNCTION_FAILED; 477 } 478 479 if (rval != QLA_SUCCESS) { 480 ql_dbg(ql_dbg_mbx, vha, 0x1170, 481 "Failed=%x mb[0]=%x.\n", rval, mcp->mb[0]); 482 } else { 483 ql_dbg(ql_dbg_mbx + ql_dbg_verbose, vha, 0x1171, 484 "Done %s.\n", __func__); 485 } 486 return rval; 487 } 488 489 /** 490 * qlafx00_pci_config() - Setup ISPFx00 PCI configuration registers. 491 * @vha: HA context 492 * 493 * Returns 0 on success. 494 */ 495 int 496 qlafx00_pci_config(scsi_qla_host_t *vha) 497 { 498 uint16_t w; 499 struct qla_hw_data *ha = vha->hw; 500 501 pci_set_master(ha->pdev); 502 pci_try_set_mwi(ha->pdev); 503 504 pci_read_config_word(ha->pdev, PCI_COMMAND, &w); 505 w |= (PCI_COMMAND_PARITY | PCI_COMMAND_SERR); 506 w &= ~PCI_COMMAND_INTX_DISABLE; 507 pci_write_config_word(ha->pdev, PCI_COMMAND, w); 508 509 /* PCIe -- adjust Maximum Read Request Size (2048). */ 510 if (pci_is_pcie(ha->pdev)) 511 pcie_set_readrq(ha->pdev, 2048); 512 513 ha->chip_revision = ha->pdev->revision; 514 515 return QLA_SUCCESS; 516 } 517 518 /** 519 * qlafx00_soc_cpu_reset() - Perform warm reset of iSA(CPUs being reset on SOC). 520 * @vha: HA context 521 * 522 */ 523 static inline void 524 qlafx00_soc_cpu_reset(scsi_qla_host_t *vha) 525 { 526 unsigned long flags = 0; 527 struct qla_hw_data *ha = vha->hw; 528 int i, core; 529 uint32_t cnt; 530 uint32_t reg_val; 531 532 spin_lock_irqsave(&ha->hardware_lock, flags); 533 534 QLAFX00_SET_HBA_SOC_REG(ha, 0x80004, 0); 535 QLAFX00_SET_HBA_SOC_REG(ha, 0x82004, 0); 536 537 /* stop the XOR DMA engines */ 538 QLAFX00_SET_HBA_SOC_REG(ha, 0x60920, 0x02); 539 QLAFX00_SET_HBA_SOC_REG(ha, 0x60924, 0x02); 540 QLAFX00_SET_HBA_SOC_REG(ha, 0xf0920, 0x02); 541 QLAFX00_SET_HBA_SOC_REG(ha, 0xf0924, 0x02); 542 543 /* stop the IDMA engines */ 544 reg_val = QLAFX00_GET_HBA_SOC_REG(ha, 0x60840); 545 reg_val &= ~(1<<12); 546 QLAFX00_SET_HBA_SOC_REG(ha, 0x60840, reg_val); 547 548 reg_val = QLAFX00_GET_HBA_SOC_REG(ha, 0x60844); 549 reg_val &= ~(1<<12); 550 QLAFX00_SET_HBA_SOC_REG(ha, 0x60844, reg_val); 551 552 reg_val = QLAFX00_GET_HBA_SOC_REG(ha, 0x60848); 553 reg_val &= ~(1<<12); 554 QLAFX00_SET_HBA_SOC_REG(ha, 0x60848, reg_val); 555 556 reg_val = QLAFX00_GET_HBA_SOC_REG(ha, 0x6084C); 557 reg_val &= ~(1<<12); 558 QLAFX00_SET_HBA_SOC_REG(ha, 0x6084C, reg_val); 559 560 for (i = 0; i < 100000; i++) { 561 if ((QLAFX00_GET_HBA_SOC_REG(ha, 0xd0000) & 0x10000000) == 0 && 562 (QLAFX00_GET_HBA_SOC_REG(ha, 0x10600) & 0x1) == 0) 563 break; 564 udelay(100); 565 } 566 567 /* Set all 4 cores in reset */ 568 for (i = 0; i < 4; i++) { 569 QLAFX00_SET_HBA_SOC_REG(ha, 570 (SOC_SW_RST_CONTROL_REG_CORE0 + 8*i), (0xF01)); 571 QLAFX00_SET_HBA_SOC_REG(ha, 572 (SOC_SW_RST_CONTROL_REG_CORE0 + 4 + 8*i), (0x01010101)); 573 } 574 575 /* Reset all units in Fabric */ 576 QLAFX00_SET_HBA_SOC_REG(ha, SOC_FABRIC_RST_CONTROL_REG, (0x011f0101)); 577 578 /* */ 579 QLAFX00_SET_HBA_SOC_REG(ha, 0x10610, 1); 580 QLAFX00_SET_HBA_SOC_REG(ha, 0x10600, 0); 581 582 /* Set all 4 core Memory Power Down Registers */ 583 for (i = 0; i < 5; i++) { 584 QLAFX00_SET_HBA_SOC_REG(ha, 585 (SOC_PWR_MANAGEMENT_PWR_DOWN_REG + 4*i), (0x0)); 586 } 587 588 /* Reset all interrupt control registers */ 589 for (i = 0; i < 115; i++) { 590 QLAFX00_SET_HBA_SOC_REG(ha, 591 (SOC_INTERRUPT_SOURCE_I_CONTROL_REG + 4*i), (0x0)); 592 } 593 594 /* Reset Timers control registers. per core */ 595 for (core = 0; core < 4; core++) 596 for (i = 0; i < 8; i++) 597 QLAFX00_SET_HBA_SOC_REG(ha, 598 (SOC_CORE_TIMER_REG + 0x100*core + 4*i), (0x0)); 599 600 /* Reset per core IRQ ack register */ 601 for (core = 0; core < 4; core++) 602 QLAFX00_SET_HBA_SOC_REG(ha, 603 (SOC_IRQ_ACK_REG + 0x100*core), (0x3FF)); 604 605 /* Set Fabric control and config to defaults */ 606 QLAFX00_SET_HBA_SOC_REG(ha, SOC_FABRIC_CONTROL_REG, (0x2)); 607 QLAFX00_SET_HBA_SOC_REG(ha, SOC_FABRIC_CONFIG_REG, (0x3)); 608 609 /* Kick in Fabric units */ 610 QLAFX00_SET_HBA_SOC_REG(ha, SOC_FABRIC_RST_CONTROL_REG, (0x0)); 611 612 /* Kick in Core0 to start boot process */ 613 QLAFX00_SET_HBA_SOC_REG(ha, SOC_SW_RST_CONTROL_REG_CORE0, (0xF00)); 614 615 spin_unlock_irqrestore(&ha->hardware_lock, flags); 616 617 /* Wait 10secs for soft-reset to complete. */ 618 for (cnt = 10; cnt; cnt--) { 619 msleep(1000); 620 barrier(); 621 } 622 } 623 624 /** 625 * qlafx00_soft_reset() - Soft Reset ISPFx00. 626 * @vha: HA context 627 * 628 * Returns 0 on success. 629 */ 630 int 631 qlafx00_soft_reset(scsi_qla_host_t *vha) 632 { 633 struct qla_hw_data *ha = vha->hw; 634 int rval = QLA_FUNCTION_FAILED; 635 636 if (unlikely(pci_channel_offline(ha->pdev) && 637 ha->flags.pci_channel_io_perm_failure)) 638 return rval; 639 640 ha->isp_ops->disable_intrs(ha); 641 qlafx00_soc_cpu_reset(vha); 642 643 return QLA_SUCCESS; 644 } 645 646 /** 647 * qlafx00_chip_diag() - Test ISPFx00 for proper operation. 648 * @vha: HA context 649 * 650 * Returns 0 on success. 651 */ 652 int 653 qlafx00_chip_diag(scsi_qla_host_t *vha) 654 { 655 int rval = 0; 656 struct qla_hw_data *ha = vha->hw; 657 struct req_que *req = ha->req_q_map[0]; 658 659 ha->fw_transfer_size = REQUEST_ENTRY_SIZE * req->length; 660 661 rval = qlafx00_mbx_reg_test(vha); 662 if (rval) { 663 ql_log(ql_log_warn, vha, 0x1165, 664 "Failed mailbox send register test\n"); 665 } else { 666 /* Flag a successful rval */ 667 rval = QLA_SUCCESS; 668 } 669 return rval; 670 } 671 672 void 673 qlafx00_config_rings(struct scsi_qla_host *vha) 674 { 675 struct qla_hw_data *ha = vha->hw; 676 struct device_reg_fx00 __iomem *reg = &ha->iobase->ispfx00; 677 678 wrt_reg_dword(®->req_q_in, 0); 679 wrt_reg_dword(®->req_q_out, 0); 680 681 wrt_reg_dword(®->rsp_q_in, 0); 682 wrt_reg_dword(®->rsp_q_out, 0); 683 684 /* PCI posting */ 685 rd_reg_dword(®->rsp_q_out); 686 } 687 688 char * 689 qlafx00_pci_info_str(struct scsi_qla_host *vha, char *str, size_t str_len) 690 { 691 struct qla_hw_data *ha = vha->hw; 692 693 if (pci_is_pcie(ha->pdev)) 694 strlcpy(str, "PCIe iSA", str_len); 695 return str; 696 } 697 698 char * 699 qlafx00_fw_version_str(struct scsi_qla_host *vha, char *str, size_t size) 700 { 701 struct qla_hw_data *ha = vha->hw; 702 703 snprintf(str, size, "%s", ha->mr.fw_version); 704 return str; 705 } 706 707 void 708 qlafx00_enable_intrs(struct qla_hw_data *ha) 709 { 710 unsigned long flags = 0; 711 712 spin_lock_irqsave(&ha->hardware_lock, flags); 713 ha->interrupts_on = 1; 714 QLAFX00_ENABLE_ICNTRL_REG(ha); 715 spin_unlock_irqrestore(&ha->hardware_lock, flags); 716 } 717 718 void 719 qlafx00_disable_intrs(struct qla_hw_data *ha) 720 { 721 unsigned long flags = 0; 722 723 spin_lock_irqsave(&ha->hardware_lock, flags); 724 ha->interrupts_on = 0; 725 QLAFX00_DISABLE_ICNTRL_REG(ha); 726 spin_unlock_irqrestore(&ha->hardware_lock, flags); 727 } 728 729 int 730 qlafx00_abort_target(fc_port_t *fcport, uint64_t l, int tag) 731 { 732 return qla2x00_async_tm_cmd(fcport, TCF_TARGET_RESET, l, tag); 733 } 734 735 int 736 qlafx00_lun_reset(fc_port_t *fcport, uint64_t l, int tag) 737 { 738 return qla2x00_async_tm_cmd(fcport, TCF_LUN_RESET, l, tag); 739 } 740 741 int 742 qlafx00_iospace_config(struct qla_hw_data *ha) 743 { 744 if (pci_request_selected_regions(ha->pdev, ha->bars, 745 QLA2XXX_DRIVER_NAME)) { 746 ql_log_pci(ql_log_fatal, ha->pdev, 0x014e, 747 "Failed to reserve PIO/MMIO regions (%s), aborting.\n", 748 pci_name(ha->pdev)); 749 goto iospace_error_exit; 750 } 751 752 /* Use MMIO operations for all accesses. */ 753 if (!(pci_resource_flags(ha->pdev, 0) & IORESOURCE_MEM)) { 754 ql_log_pci(ql_log_warn, ha->pdev, 0x014f, 755 "Invalid pci I/O region size (%s).\n", 756 pci_name(ha->pdev)); 757 goto iospace_error_exit; 758 } 759 if (pci_resource_len(ha->pdev, 0) < BAR0_LEN_FX00) { 760 ql_log_pci(ql_log_warn, ha->pdev, 0x0127, 761 "Invalid PCI mem BAR0 region size (%s), aborting\n", 762 pci_name(ha->pdev)); 763 goto iospace_error_exit; 764 } 765 766 ha->cregbase = 767 ioremap(pci_resource_start(ha->pdev, 0), BAR0_LEN_FX00); 768 if (!ha->cregbase) { 769 ql_log_pci(ql_log_fatal, ha->pdev, 0x0128, 770 "cannot remap MMIO (%s), aborting\n", pci_name(ha->pdev)); 771 goto iospace_error_exit; 772 } 773 774 if (!(pci_resource_flags(ha->pdev, 2) & IORESOURCE_MEM)) { 775 ql_log_pci(ql_log_warn, ha->pdev, 0x0129, 776 "region #2 not an MMIO resource (%s), aborting\n", 777 pci_name(ha->pdev)); 778 goto iospace_error_exit; 779 } 780 if (pci_resource_len(ha->pdev, 2) < BAR2_LEN_FX00) { 781 ql_log_pci(ql_log_warn, ha->pdev, 0x012a, 782 "Invalid PCI mem BAR2 region size (%s), aborting\n", 783 pci_name(ha->pdev)); 784 goto iospace_error_exit; 785 } 786 787 ha->iobase = 788 ioremap(pci_resource_start(ha->pdev, 2), BAR2_LEN_FX00); 789 if (!ha->iobase) { 790 ql_log_pci(ql_log_fatal, ha->pdev, 0x012b, 791 "cannot remap MMIO (%s), aborting\n", pci_name(ha->pdev)); 792 goto iospace_error_exit; 793 } 794 795 /* Determine queue resources */ 796 ha->max_req_queues = ha->max_rsp_queues = 1; 797 798 ql_log_pci(ql_log_info, ha->pdev, 0x012c, 799 "Bars 0x%x, iobase0 0x%p, iobase2 0x%p\n", 800 ha->bars, ha->cregbase, ha->iobase); 801 802 return 0; 803 804 iospace_error_exit: 805 return -ENOMEM; 806 } 807 808 static void 809 qlafx00_save_queue_ptrs(struct scsi_qla_host *vha) 810 { 811 struct qla_hw_data *ha = vha->hw; 812 struct req_que *req = ha->req_q_map[0]; 813 struct rsp_que *rsp = ha->rsp_q_map[0]; 814 815 req->length_fx00 = req->length; 816 req->ring_fx00 = req->ring; 817 req->dma_fx00 = req->dma; 818 819 rsp->length_fx00 = rsp->length; 820 rsp->ring_fx00 = rsp->ring; 821 rsp->dma_fx00 = rsp->dma; 822 823 ql_dbg(ql_dbg_init, vha, 0x012d, 824 "req: %p, ring_fx00: %p, length_fx00: 0x%x," 825 "req->dma_fx00: 0x%llx\n", req, req->ring_fx00, 826 req->length_fx00, (u64)req->dma_fx00); 827 828 ql_dbg(ql_dbg_init, vha, 0x012e, 829 "rsp: %p, ring_fx00: %p, length_fx00: 0x%x," 830 "rsp->dma_fx00: 0x%llx\n", rsp, rsp->ring_fx00, 831 rsp->length_fx00, (u64)rsp->dma_fx00); 832 } 833 834 static int 835 qlafx00_config_queues(struct scsi_qla_host *vha) 836 { 837 struct qla_hw_data *ha = vha->hw; 838 struct req_que *req = ha->req_q_map[0]; 839 struct rsp_que *rsp = ha->rsp_q_map[0]; 840 dma_addr_t bar2_hdl = pci_resource_start(ha->pdev, 2); 841 842 req->length = ha->req_que_len; 843 req->ring = (void __force *)ha->iobase + ha->req_que_off; 844 req->dma = bar2_hdl + ha->req_que_off; 845 if ((!req->ring) || (req->length == 0)) { 846 ql_log_pci(ql_log_info, ha->pdev, 0x012f, 847 "Unable to allocate memory for req_ring\n"); 848 return QLA_FUNCTION_FAILED; 849 } 850 851 ql_dbg(ql_dbg_init, vha, 0x0130, 852 "req: %p req_ring pointer %p req len 0x%x " 853 "req off 0x%x\n, req->dma: 0x%llx", 854 req, req->ring, req->length, 855 ha->req_que_off, (u64)req->dma); 856 857 rsp->length = ha->rsp_que_len; 858 rsp->ring = (void __force *)ha->iobase + ha->rsp_que_off; 859 rsp->dma = bar2_hdl + ha->rsp_que_off; 860 if ((!rsp->ring) || (rsp->length == 0)) { 861 ql_log_pci(ql_log_info, ha->pdev, 0x0131, 862 "Unable to allocate memory for rsp_ring\n"); 863 return QLA_FUNCTION_FAILED; 864 } 865 866 ql_dbg(ql_dbg_init, vha, 0x0132, 867 "rsp: %p rsp_ring pointer %p rsp len 0x%x " 868 "rsp off 0x%x, rsp->dma: 0x%llx\n", 869 rsp, rsp->ring, rsp->length, 870 ha->rsp_que_off, (u64)rsp->dma); 871 872 return QLA_SUCCESS; 873 } 874 875 static int 876 qlafx00_init_fw_ready(scsi_qla_host_t *vha) 877 { 878 int rval = 0; 879 unsigned long wtime; 880 uint16_t wait_time; /* Wait time */ 881 struct qla_hw_data *ha = vha->hw; 882 struct device_reg_fx00 __iomem *reg = &ha->iobase->ispfx00; 883 uint32_t aenmbx, aenmbx7 = 0; 884 uint32_t pseudo_aen; 885 uint32_t state[5]; 886 bool done = false; 887 888 /* 30 seconds wait - Adjust if required */ 889 wait_time = 30; 890 891 pseudo_aen = rd_reg_dword(®->pseudoaen); 892 if (pseudo_aen == 1) { 893 aenmbx7 = rd_reg_dword(®->initval7); 894 ha->mbx_intr_code = MSW(aenmbx7); 895 ha->rqstq_intr_code = LSW(aenmbx7); 896 rval = qlafx00_driver_shutdown(vha, 10); 897 if (rval != QLA_SUCCESS) 898 qlafx00_soft_reset(vha); 899 } 900 901 /* wait time before firmware ready */ 902 wtime = jiffies + (wait_time * HZ); 903 do { 904 aenmbx = rd_reg_dword(®->aenmailbox0); 905 barrier(); 906 ql_dbg(ql_dbg_mbx, vha, 0x0133, 907 "aenmbx: 0x%x\n", aenmbx); 908 909 switch (aenmbx) { 910 case MBA_FW_NOT_STARTED: 911 case MBA_FW_STARTING: 912 break; 913 914 case MBA_SYSTEM_ERR: 915 case MBA_REQ_TRANSFER_ERR: 916 case MBA_RSP_TRANSFER_ERR: 917 case MBA_FW_INIT_FAILURE: 918 qlafx00_soft_reset(vha); 919 break; 920 921 case MBA_FW_RESTART_CMPLT: 922 /* Set the mbx and rqstq intr code */ 923 aenmbx7 = rd_reg_dword(®->aenmailbox7); 924 ha->mbx_intr_code = MSW(aenmbx7); 925 ha->rqstq_intr_code = LSW(aenmbx7); 926 ha->req_que_off = rd_reg_dword(®->aenmailbox1); 927 ha->rsp_que_off = rd_reg_dword(®->aenmailbox3); 928 ha->req_que_len = rd_reg_dword(®->aenmailbox5); 929 ha->rsp_que_len = rd_reg_dword(®->aenmailbox6); 930 wrt_reg_dword(®->aenmailbox0, 0); 931 rd_reg_dword_relaxed(®->aenmailbox0); 932 ql_dbg(ql_dbg_init, vha, 0x0134, 933 "f/w returned mbx_intr_code: 0x%x, " 934 "rqstq_intr_code: 0x%x\n", 935 ha->mbx_intr_code, ha->rqstq_intr_code); 936 QLAFX00_CLR_INTR_REG(ha, QLAFX00_HST_INT_STS_BITS); 937 rval = QLA_SUCCESS; 938 done = true; 939 break; 940 941 default: 942 if ((aenmbx & 0xFF00) == MBA_FW_INIT_INPROGRESS) 943 break; 944 945 /* If fw is apparently not ready. In order to continue, 946 * we might need to issue Mbox cmd, but the problem is 947 * that the DoorBell vector values that come with the 948 * 8060 AEN are most likely gone by now (and thus no 949 * bell would be rung on the fw side when mbox cmd is 950 * issued). We have to therefore grab the 8060 AEN 951 * shadow regs (filled in by FW when the last 8060 952 * AEN was being posted). 953 * Do the following to determine what is needed in 954 * order to get the FW ready: 955 * 1. reload the 8060 AEN values from the shadow regs 956 * 2. clear int status to get rid of possible pending 957 * interrupts 958 * 3. issue Get FW State Mbox cmd to determine fw state 959 * Set the mbx and rqstq intr code from Shadow Regs 960 */ 961 aenmbx7 = rd_reg_dword(®->initval7); 962 ha->mbx_intr_code = MSW(aenmbx7); 963 ha->rqstq_intr_code = LSW(aenmbx7); 964 ha->req_que_off = rd_reg_dword(®->initval1); 965 ha->rsp_que_off = rd_reg_dword(®->initval3); 966 ha->req_que_len = rd_reg_dword(®->initval5); 967 ha->rsp_que_len = rd_reg_dword(®->initval6); 968 ql_dbg(ql_dbg_init, vha, 0x0135, 969 "f/w returned mbx_intr_code: 0x%x, " 970 "rqstq_intr_code: 0x%x\n", 971 ha->mbx_intr_code, ha->rqstq_intr_code); 972 QLAFX00_CLR_INTR_REG(ha, QLAFX00_HST_INT_STS_BITS); 973 974 /* Get the FW state */ 975 rval = qlafx00_get_firmware_state(vha, state); 976 if (rval != QLA_SUCCESS) { 977 /* Retry if timer has not expired */ 978 break; 979 } 980 981 if (state[0] == FSTATE_FX00_CONFIG_WAIT) { 982 /* Firmware is waiting to be 983 * initialized by driver 984 */ 985 rval = QLA_SUCCESS; 986 done = true; 987 break; 988 } 989 990 /* Issue driver shutdown and wait until f/w recovers. 991 * Driver should continue to poll until 8060 AEN is 992 * received indicating firmware recovery. 993 */ 994 ql_dbg(ql_dbg_init, vha, 0x0136, 995 "Sending Driver shutdown fw_state 0x%x\n", 996 state[0]); 997 998 rval = qlafx00_driver_shutdown(vha, 10); 999 if (rval != QLA_SUCCESS) { 1000 rval = QLA_FUNCTION_FAILED; 1001 break; 1002 } 1003 msleep(500); 1004 1005 wtime = jiffies + (wait_time * HZ); 1006 break; 1007 } 1008 1009 if (!done) { 1010 if (time_after_eq(jiffies, wtime)) { 1011 ql_dbg(ql_dbg_init, vha, 0x0137, 1012 "Init f/w failed: aen[7]: 0x%x\n", 1013 rd_reg_dword(®->aenmailbox7)); 1014 rval = QLA_FUNCTION_FAILED; 1015 done = true; 1016 break; 1017 } 1018 /* Delay for a while */ 1019 msleep(500); 1020 } 1021 } while (!done); 1022 1023 if (rval) 1024 ql_dbg(ql_dbg_init, vha, 0x0138, 1025 "%s **** FAILED ****.\n", __func__); 1026 else 1027 ql_dbg(ql_dbg_init, vha, 0x0139, 1028 "%s **** SUCCESS ****.\n", __func__); 1029 1030 return rval; 1031 } 1032 1033 /* 1034 * qlafx00_fw_ready() - Waits for firmware ready. 1035 * @ha: HA context 1036 * 1037 * Returns 0 on success. 1038 */ 1039 int 1040 qlafx00_fw_ready(scsi_qla_host_t *vha) 1041 { 1042 int rval; 1043 unsigned long wtime; 1044 uint16_t wait_time; /* Wait time if loop is coming ready */ 1045 uint32_t state[5]; 1046 1047 rval = QLA_SUCCESS; 1048 1049 wait_time = 10; 1050 1051 /* wait time before firmware ready */ 1052 wtime = jiffies + (wait_time * HZ); 1053 1054 /* Wait for ISP to finish init */ 1055 if (!vha->flags.init_done) 1056 ql_dbg(ql_dbg_init, vha, 0x013a, 1057 "Waiting for init to complete...\n"); 1058 1059 do { 1060 rval = qlafx00_get_firmware_state(vha, state); 1061 1062 if (rval == QLA_SUCCESS) { 1063 if (state[0] == FSTATE_FX00_INITIALIZED) { 1064 ql_dbg(ql_dbg_init, vha, 0x013b, 1065 "fw_state=%x\n", state[0]); 1066 rval = QLA_SUCCESS; 1067 break; 1068 } 1069 } 1070 rval = QLA_FUNCTION_FAILED; 1071 1072 if (time_after_eq(jiffies, wtime)) 1073 break; 1074 1075 /* Delay for a while */ 1076 msleep(500); 1077 1078 ql_dbg(ql_dbg_init, vha, 0x013c, 1079 "fw_state=%x curr time=%lx.\n", state[0], jiffies); 1080 } while (1); 1081 1082 1083 if (rval) 1084 ql_dbg(ql_dbg_init, vha, 0x013d, 1085 "Firmware ready **** FAILED ****.\n"); 1086 else 1087 ql_dbg(ql_dbg_init, vha, 0x013e, 1088 "Firmware ready **** SUCCESS ****.\n"); 1089 1090 return rval; 1091 } 1092 1093 static int 1094 qlafx00_find_all_targets(scsi_qla_host_t *vha, 1095 struct list_head *new_fcports) 1096 { 1097 int rval; 1098 uint16_t tgt_id; 1099 fc_port_t *fcport, *new_fcport; 1100 int found; 1101 struct qla_hw_data *ha = vha->hw; 1102 1103 rval = QLA_SUCCESS; 1104 1105 if (!test_bit(LOOP_RESYNC_ACTIVE, &vha->dpc_flags)) 1106 return QLA_FUNCTION_FAILED; 1107 1108 if ((atomic_read(&vha->loop_down_timer) || 1109 STATE_TRANSITION(vha))) { 1110 atomic_set(&vha->loop_down_timer, 0); 1111 set_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags); 1112 return QLA_FUNCTION_FAILED; 1113 } 1114 1115 ql_dbg(ql_dbg_disc + ql_dbg_init, vha, 0x2088, 1116 "Listing Target bit map...\n"); 1117 ql_dump_buffer(ql_dbg_disc + ql_dbg_init, vha, 0x2089, 1118 ha->gid_list, 32); 1119 1120 /* Allocate temporary rmtport for any new rmtports discovered. */ 1121 new_fcport = qla2x00_alloc_fcport(vha, GFP_KERNEL); 1122 if (new_fcport == NULL) 1123 return QLA_MEMORY_ALLOC_FAILED; 1124 1125 for_each_set_bit(tgt_id, (void *)ha->gid_list, 1126 QLAFX00_TGT_NODE_LIST_SIZE) { 1127 1128 /* Send get target node info */ 1129 new_fcport->tgt_id = tgt_id; 1130 rval = qlafx00_fx_disc(vha, new_fcport, 1131 FXDISC_GET_TGT_NODE_INFO); 1132 if (rval != QLA_SUCCESS) { 1133 ql_log(ql_log_warn, vha, 0x208a, 1134 "Target info scan failed -- assuming zero-entry " 1135 "result...\n"); 1136 continue; 1137 } 1138 1139 /* Locate matching device in database. */ 1140 found = 0; 1141 list_for_each_entry(fcport, &vha->vp_fcports, list) { 1142 if (memcmp(new_fcport->port_name, 1143 fcport->port_name, WWN_SIZE)) 1144 continue; 1145 1146 found++; 1147 1148 /* 1149 * If tgt_id is same and state FCS_ONLINE, nothing 1150 * changed. 1151 */ 1152 if (fcport->tgt_id == new_fcport->tgt_id && 1153 atomic_read(&fcport->state) == FCS_ONLINE) 1154 break; 1155 1156 /* 1157 * Tgt ID changed or device was marked to be updated. 1158 */ 1159 ql_dbg(ql_dbg_disc + ql_dbg_init, vha, 0x208b, 1160 "TGT-ID Change(%s): Present tgt id: " 1161 "0x%x state: 0x%x " 1162 "wwnn = %llx wwpn = %llx.\n", 1163 __func__, fcport->tgt_id, 1164 atomic_read(&fcport->state), 1165 (unsigned long long)wwn_to_u64(fcport->node_name), 1166 (unsigned long long)wwn_to_u64(fcport->port_name)); 1167 1168 ql_log(ql_log_info, vha, 0x208c, 1169 "TGT-ID Announce(%s): Discovered tgt " 1170 "id 0x%x wwnn = %llx " 1171 "wwpn = %llx.\n", __func__, new_fcport->tgt_id, 1172 (unsigned long long) 1173 wwn_to_u64(new_fcport->node_name), 1174 (unsigned long long) 1175 wwn_to_u64(new_fcport->port_name)); 1176 1177 if (atomic_read(&fcport->state) != FCS_ONLINE) { 1178 fcport->old_tgt_id = fcport->tgt_id; 1179 fcport->tgt_id = new_fcport->tgt_id; 1180 ql_log(ql_log_info, vha, 0x208d, 1181 "TGT-ID: New fcport Added: %p\n", fcport); 1182 qla2x00_update_fcport(vha, fcport); 1183 } else { 1184 ql_log(ql_log_info, vha, 0x208e, 1185 " Existing TGT-ID %x did not get " 1186 " offline event from firmware.\n", 1187 fcport->old_tgt_id); 1188 qla2x00_mark_device_lost(vha, fcport, 0); 1189 set_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags); 1190 qla2x00_free_fcport(new_fcport); 1191 return rval; 1192 } 1193 break; 1194 } 1195 1196 if (found) 1197 continue; 1198 1199 /* If device was not in our fcports list, then add it. */ 1200 list_add_tail(&new_fcport->list, new_fcports); 1201 1202 /* Allocate a new replacement fcport. */ 1203 new_fcport = qla2x00_alloc_fcport(vha, GFP_KERNEL); 1204 if (new_fcport == NULL) 1205 return QLA_MEMORY_ALLOC_FAILED; 1206 } 1207 1208 qla2x00_free_fcport(new_fcport); 1209 return rval; 1210 } 1211 1212 /* 1213 * qlafx00_configure_all_targets 1214 * Setup target devices with node ID's. 1215 * 1216 * Input: 1217 * ha = adapter block pointer. 1218 * 1219 * Returns: 1220 * 0 = success. 1221 * BIT_0 = error 1222 */ 1223 static int 1224 qlafx00_configure_all_targets(scsi_qla_host_t *vha) 1225 { 1226 int rval; 1227 fc_port_t *fcport, *rmptemp; 1228 LIST_HEAD(new_fcports); 1229 1230 rval = qlafx00_fx_disc(vha, &vha->hw->mr.fcport, 1231 FXDISC_GET_TGT_NODE_LIST); 1232 if (rval != QLA_SUCCESS) { 1233 set_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags); 1234 return rval; 1235 } 1236 1237 rval = qlafx00_find_all_targets(vha, &new_fcports); 1238 if (rval != QLA_SUCCESS) { 1239 set_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags); 1240 return rval; 1241 } 1242 1243 /* 1244 * Delete all previous devices marked lost. 1245 */ 1246 list_for_each_entry(fcport, &vha->vp_fcports, list) { 1247 if (test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags)) 1248 break; 1249 1250 if (atomic_read(&fcport->state) == FCS_DEVICE_LOST) { 1251 if (fcport->port_type != FCT_INITIATOR) 1252 qla2x00_mark_device_lost(vha, fcport, 0); 1253 } 1254 } 1255 1256 /* 1257 * Add the new devices to our devices list. 1258 */ 1259 list_for_each_entry_safe(fcport, rmptemp, &new_fcports, list) { 1260 if (test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags)) 1261 break; 1262 1263 qla2x00_update_fcport(vha, fcport); 1264 list_move_tail(&fcport->list, &vha->vp_fcports); 1265 ql_log(ql_log_info, vha, 0x208f, 1266 "Attach new target id 0x%x wwnn = %llx " 1267 "wwpn = %llx.\n", 1268 fcport->tgt_id, 1269 (unsigned long long)wwn_to_u64(fcport->node_name), 1270 (unsigned long long)wwn_to_u64(fcport->port_name)); 1271 } 1272 1273 /* Free all new device structures not processed. */ 1274 list_for_each_entry_safe(fcport, rmptemp, &new_fcports, list) { 1275 list_del(&fcport->list); 1276 qla2x00_free_fcport(fcport); 1277 } 1278 1279 return rval; 1280 } 1281 1282 /* 1283 * qlafx00_configure_devices 1284 * Updates Fibre Channel Device Database with what is actually on loop. 1285 * 1286 * Input: 1287 * ha = adapter block pointer. 1288 * 1289 * Returns: 1290 * 0 = success. 1291 * 1 = error. 1292 * 2 = database was full and device was not configured. 1293 */ 1294 int 1295 qlafx00_configure_devices(scsi_qla_host_t *vha) 1296 { 1297 int rval; 1298 unsigned long flags; 1299 1300 rval = QLA_SUCCESS; 1301 1302 flags = vha->dpc_flags; 1303 1304 ql_dbg(ql_dbg_disc, vha, 0x2090, 1305 "Configure devices -- dpc flags =0x%lx\n", flags); 1306 1307 rval = qlafx00_configure_all_targets(vha); 1308 1309 if (rval == QLA_SUCCESS) { 1310 if (test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags)) { 1311 rval = QLA_FUNCTION_FAILED; 1312 } else { 1313 atomic_set(&vha->loop_state, LOOP_READY); 1314 ql_log(ql_log_info, vha, 0x2091, 1315 "Device Ready\n"); 1316 } 1317 } 1318 1319 if (rval) { 1320 ql_dbg(ql_dbg_disc, vha, 0x2092, 1321 "%s *** FAILED ***.\n", __func__); 1322 } else { 1323 ql_dbg(ql_dbg_disc, vha, 0x2093, 1324 "%s: exiting normally.\n", __func__); 1325 } 1326 return rval; 1327 } 1328 1329 static void 1330 qlafx00_abort_isp_cleanup(scsi_qla_host_t *vha, bool critemp) 1331 { 1332 struct qla_hw_data *ha = vha->hw; 1333 fc_port_t *fcport; 1334 1335 vha->flags.online = 0; 1336 ha->mr.fw_hbt_en = 0; 1337 1338 if (!critemp) { 1339 ha->flags.chip_reset_done = 0; 1340 clear_bit(ISP_ABORT_NEEDED, &vha->dpc_flags); 1341 vha->qla_stats.total_isp_aborts++; 1342 ql_log(ql_log_info, vha, 0x013f, 1343 "Performing ISP error recovery - ha = %p.\n", ha); 1344 ha->isp_ops->reset_chip(vha); 1345 } 1346 1347 if (atomic_read(&vha->loop_state) != LOOP_DOWN) { 1348 atomic_set(&vha->loop_state, LOOP_DOWN); 1349 atomic_set(&vha->loop_down_timer, 1350 QLAFX00_LOOP_DOWN_TIME); 1351 } else { 1352 if (!atomic_read(&vha->loop_down_timer)) 1353 atomic_set(&vha->loop_down_timer, 1354 QLAFX00_LOOP_DOWN_TIME); 1355 } 1356 1357 /* Clear all async request states across all VPs. */ 1358 list_for_each_entry(fcport, &vha->vp_fcports, list) { 1359 fcport->flags = 0; 1360 if (atomic_read(&fcport->state) == FCS_ONLINE) 1361 qla2x00_set_fcport_state(fcport, FCS_DEVICE_LOST); 1362 } 1363 1364 if (!ha->flags.eeh_busy) { 1365 if (critemp) { 1366 qla2x00_abort_all_cmds(vha, DID_NO_CONNECT << 16); 1367 } else { 1368 /* Requeue all commands in outstanding command list. */ 1369 qla2x00_abort_all_cmds(vha, DID_RESET << 16); 1370 } 1371 } 1372 1373 qla2x00_free_irqs(vha); 1374 if (critemp) 1375 set_bit(FX00_CRITEMP_RECOVERY, &vha->dpc_flags); 1376 else 1377 set_bit(FX00_RESET_RECOVERY, &vha->dpc_flags); 1378 1379 /* Clear the Interrupts */ 1380 QLAFX00_CLR_INTR_REG(ha, QLAFX00_HST_INT_STS_BITS); 1381 1382 ql_log(ql_log_info, vha, 0x0140, 1383 "%s Done done - ha=%p.\n", __func__, ha); 1384 } 1385 1386 /** 1387 * qlafx00_init_response_q_entries() - Initializes response queue entries. 1388 * @rsp: response queue 1389 * 1390 * Beginning of request ring has initialization control block already built 1391 * by nvram config routine. 1392 * 1393 * Returns 0 on success. 1394 */ 1395 void 1396 qlafx00_init_response_q_entries(struct rsp_que *rsp) 1397 { 1398 uint16_t cnt; 1399 response_t *pkt; 1400 1401 rsp->ring_ptr = rsp->ring; 1402 rsp->ring_index = 0; 1403 rsp->status_srb = NULL; 1404 pkt = rsp->ring_ptr; 1405 for (cnt = 0; cnt < rsp->length; cnt++) { 1406 pkt->signature = RESPONSE_PROCESSED; 1407 wrt_reg_dword((void __force __iomem *)&pkt->signature, 1408 RESPONSE_PROCESSED); 1409 pkt++; 1410 } 1411 } 1412 1413 int 1414 qlafx00_rescan_isp(scsi_qla_host_t *vha) 1415 { 1416 uint32_t status = QLA_FUNCTION_FAILED; 1417 struct qla_hw_data *ha = vha->hw; 1418 struct device_reg_fx00 __iomem *reg = &ha->iobase->ispfx00; 1419 uint32_t aenmbx7; 1420 1421 qla2x00_request_irqs(ha, ha->rsp_q_map[0]); 1422 1423 aenmbx7 = rd_reg_dword(®->aenmailbox7); 1424 ha->mbx_intr_code = MSW(aenmbx7); 1425 ha->rqstq_intr_code = LSW(aenmbx7); 1426 ha->req_que_off = rd_reg_dword(®->aenmailbox1); 1427 ha->rsp_que_off = rd_reg_dword(®->aenmailbox3); 1428 ha->req_que_len = rd_reg_dword(®->aenmailbox5); 1429 ha->rsp_que_len = rd_reg_dword(®->aenmailbox6); 1430 1431 ql_dbg(ql_dbg_disc, vha, 0x2094, 1432 "fw returned mbx_intr_code: 0x%x, rqstq_intr_code: 0x%x " 1433 " Req que offset 0x%x Rsp que offset 0x%x\n", 1434 ha->mbx_intr_code, ha->rqstq_intr_code, 1435 ha->req_que_off, ha->rsp_que_len); 1436 1437 /* Clear the Interrupts */ 1438 QLAFX00_CLR_INTR_REG(ha, QLAFX00_HST_INT_STS_BITS); 1439 1440 status = qla2x00_init_rings(vha); 1441 if (!status) { 1442 vha->flags.online = 1; 1443 1444 /* if no cable then assume it's good */ 1445 if ((vha->device_flags & DFLG_NO_CABLE)) 1446 status = 0; 1447 /* Register system information */ 1448 if (qlafx00_fx_disc(vha, 1449 &vha->hw->mr.fcport, FXDISC_REG_HOST_INFO)) 1450 ql_dbg(ql_dbg_disc, vha, 0x2095, 1451 "failed to register host info\n"); 1452 } 1453 scsi_unblock_requests(vha->host); 1454 return status; 1455 } 1456 1457 void 1458 qlafx00_timer_routine(scsi_qla_host_t *vha) 1459 { 1460 struct qla_hw_data *ha = vha->hw; 1461 uint32_t fw_heart_beat; 1462 uint32_t aenmbx0; 1463 struct device_reg_fx00 __iomem *reg = &ha->iobase->ispfx00; 1464 uint32_t tempc; 1465 1466 /* Check firmware health */ 1467 if (ha->mr.fw_hbt_cnt) 1468 ha->mr.fw_hbt_cnt--; 1469 else { 1470 if ((!ha->flags.mr_reset_hdlr_active) && 1471 (!test_bit(UNLOADING, &vha->dpc_flags)) && 1472 (!test_bit(ABORT_ISP_ACTIVE, &vha->dpc_flags)) && 1473 (ha->mr.fw_hbt_en)) { 1474 fw_heart_beat = rd_reg_dword(®->fwheartbeat); 1475 if (fw_heart_beat != ha->mr.old_fw_hbt_cnt) { 1476 ha->mr.old_fw_hbt_cnt = fw_heart_beat; 1477 ha->mr.fw_hbt_miss_cnt = 0; 1478 } else { 1479 ha->mr.fw_hbt_miss_cnt++; 1480 if (ha->mr.fw_hbt_miss_cnt == 1481 QLAFX00_HEARTBEAT_MISS_CNT) { 1482 set_bit(ISP_ABORT_NEEDED, 1483 &vha->dpc_flags); 1484 qla2xxx_wake_dpc(vha); 1485 ha->mr.fw_hbt_miss_cnt = 0; 1486 } 1487 } 1488 } 1489 ha->mr.fw_hbt_cnt = QLAFX00_HEARTBEAT_INTERVAL; 1490 } 1491 1492 if (test_bit(FX00_RESET_RECOVERY, &vha->dpc_flags)) { 1493 /* Reset recovery to be performed in timer routine */ 1494 aenmbx0 = rd_reg_dword(®->aenmailbox0); 1495 if (ha->mr.fw_reset_timer_exp) { 1496 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags); 1497 qla2xxx_wake_dpc(vha); 1498 ha->mr.fw_reset_timer_exp = 0; 1499 } else if (aenmbx0 == MBA_FW_RESTART_CMPLT) { 1500 /* Wake up DPC to rescan the targets */ 1501 set_bit(FX00_TARGET_SCAN, &vha->dpc_flags); 1502 clear_bit(FX00_RESET_RECOVERY, &vha->dpc_flags); 1503 qla2xxx_wake_dpc(vha); 1504 ha->mr.fw_reset_timer_tick = QLAFX00_RESET_INTERVAL; 1505 } else if ((aenmbx0 == MBA_FW_STARTING) && 1506 (!ha->mr.fw_hbt_en)) { 1507 ha->mr.fw_hbt_en = 1; 1508 } else if (!ha->mr.fw_reset_timer_tick) { 1509 if (aenmbx0 == ha->mr.old_aenmbx0_state) 1510 ha->mr.fw_reset_timer_exp = 1; 1511 ha->mr.fw_reset_timer_tick = QLAFX00_RESET_INTERVAL; 1512 } else if (aenmbx0 == 0xFFFFFFFF) { 1513 uint32_t data0, data1; 1514 1515 data0 = QLAFX00_RD_REG(ha, 1516 QLAFX00_BAR1_BASE_ADDR_REG); 1517 data1 = QLAFX00_RD_REG(ha, 1518 QLAFX00_PEX0_WIN0_BASE_ADDR_REG); 1519 1520 data0 &= 0xffff0000; 1521 data1 &= 0x0000ffff; 1522 1523 QLAFX00_WR_REG(ha, 1524 QLAFX00_PEX0_WIN0_BASE_ADDR_REG, 1525 (data0 | data1)); 1526 } else if ((aenmbx0 & 0xFF00) == MBA_FW_POLL_STATE) { 1527 ha->mr.fw_reset_timer_tick = 1528 QLAFX00_MAX_RESET_INTERVAL; 1529 } else if (aenmbx0 == MBA_FW_RESET_FCT) { 1530 ha->mr.fw_reset_timer_tick = 1531 QLAFX00_MAX_RESET_INTERVAL; 1532 } 1533 if (ha->mr.old_aenmbx0_state != aenmbx0) { 1534 ha->mr.old_aenmbx0_state = aenmbx0; 1535 ha->mr.fw_reset_timer_tick = QLAFX00_RESET_INTERVAL; 1536 } 1537 ha->mr.fw_reset_timer_tick--; 1538 } 1539 if (test_bit(FX00_CRITEMP_RECOVERY, &vha->dpc_flags)) { 1540 /* 1541 * Critical temperature recovery to be 1542 * performed in timer routine 1543 */ 1544 if (ha->mr.fw_critemp_timer_tick == 0) { 1545 tempc = QLAFX00_GET_TEMPERATURE(ha); 1546 ql_dbg(ql_dbg_timer, vha, 0x6012, 1547 "ISPFx00(%s): Critical temp timer, " 1548 "current SOC temperature: %d\n", 1549 __func__, tempc); 1550 if (tempc < ha->mr.critical_temperature) { 1551 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags); 1552 clear_bit(FX00_CRITEMP_RECOVERY, 1553 &vha->dpc_flags); 1554 qla2xxx_wake_dpc(vha); 1555 } 1556 ha->mr.fw_critemp_timer_tick = 1557 QLAFX00_CRITEMP_INTERVAL; 1558 } else { 1559 ha->mr.fw_critemp_timer_tick--; 1560 } 1561 } 1562 if (ha->mr.host_info_resend) { 1563 /* 1564 * Incomplete host info might be sent to firmware 1565 * durinng system boot - info should be resend 1566 */ 1567 if (ha->mr.hinfo_resend_timer_tick == 0) { 1568 ha->mr.host_info_resend = false; 1569 set_bit(FX00_HOST_INFO_RESEND, &vha->dpc_flags); 1570 ha->mr.hinfo_resend_timer_tick = 1571 QLAFX00_HINFO_RESEND_INTERVAL; 1572 qla2xxx_wake_dpc(vha); 1573 } else { 1574 ha->mr.hinfo_resend_timer_tick--; 1575 } 1576 } 1577 1578 } 1579 1580 /* 1581 * qlfx00a_reset_initialize 1582 * Re-initialize after a iSA device reset. 1583 * 1584 * Input: 1585 * ha = adapter block pointer. 1586 * 1587 * Returns: 1588 * 0 = success 1589 */ 1590 int 1591 qlafx00_reset_initialize(scsi_qla_host_t *vha) 1592 { 1593 struct qla_hw_data *ha = vha->hw; 1594 1595 if (vha->device_flags & DFLG_DEV_FAILED) { 1596 ql_dbg(ql_dbg_init, vha, 0x0142, 1597 "Device in failed state\n"); 1598 return QLA_SUCCESS; 1599 } 1600 1601 ha->flags.mr_reset_hdlr_active = 1; 1602 1603 if (vha->flags.online) { 1604 scsi_block_requests(vha->host); 1605 qlafx00_abort_isp_cleanup(vha, false); 1606 } 1607 1608 ql_log(ql_log_info, vha, 0x0143, 1609 "(%s): succeeded.\n", __func__); 1610 ha->flags.mr_reset_hdlr_active = 0; 1611 return QLA_SUCCESS; 1612 } 1613 1614 /* 1615 * qlafx00_abort_isp 1616 * Resets ISP and aborts all outstanding commands. 1617 * 1618 * Input: 1619 * ha = adapter block pointer. 1620 * 1621 * Returns: 1622 * 0 = success 1623 */ 1624 int 1625 qlafx00_abort_isp(scsi_qla_host_t *vha) 1626 { 1627 struct qla_hw_data *ha = vha->hw; 1628 1629 if (vha->flags.online) { 1630 if (unlikely(pci_channel_offline(ha->pdev) && 1631 ha->flags.pci_channel_io_perm_failure)) { 1632 clear_bit(ISP_ABORT_RETRY, &vha->dpc_flags); 1633 return QLA_SUCCESS; 1634 } 1635 1636 scsi_block_requests(vha->host); 1637 qlafx00_abort_isp_cleanup(vha, false); 1638 } else { 1639 scsi_block_requests(vha->host); 1640 clear_bit(ISP_ABORT_NEEDED, &vha->dpc_flags); 1641 vha->qla_stats.total_isp_aborts++; 1642 ha->isp_ops->reset_chip(vha); 1643 set_bit(FX00_RESET_RECOVERY, &vha->dpc_flags); 1644 /* Clear the Interrupts */ 1645 QLAFX00_CLR_INTR_REG(ha, QLAFX00_HST_INT_STS_BITS); 1646 } 1647 1648 ql_log(ql_log_info, vha, 0x0145, 1649 "(%s): succeeded.\n", __func__); 1650 1651 return QLA_SUCCESS; 1652 } 1653 1654 static inline fc_port_t* 1655 qlafx00_get_fcport(struct scsi_qla_host *vha, int tgt_id) 1656 { 1657 fc_port_t *fcport; 1658 1659 /* Check for matching device in remote port list. */ 1660 list_for_each_entry(fcport, &vha->vp_fcports, list) { 1661 if (fcport->tgt_id == tgt_id) { 1662 ql_dbg(ql_dbg_async, vha, 0x5072, 1663 "Matching fcport(%p) found with TGT-ID: 0x%x " 1664 "and Remote TGT_ID: 0x%x\n", 1665 fcport, fcport->tgt_id, tgt_id); 1666 return fcport; 1667 } 1668 } 1669 return NULL; 1670 } 1671 1672 static void 1673 qlafx00_tgt_detach(struct scsi_qla_host *vha, int tgt_id) 1674 { 1675 fc_port_t *fcport; 1676 1677 ql_log(ql_log_info, vha, 0x5073, 1678 "Detach TGT-ID: 0x%x\n", tgt_id); 1679 1680 fcport = qlafx00_get_fcport(vha, tgt_id); 1681 if (!fcport) 1682 return; 1683 1684 qla2x00_mark_device_lost(vha, fcport, 0); 1685 1686 return; 1687 } 1688 1689 void 1690 qlafx00_process_aen(struct scsi_qla_host *vha, struct qla_work_evt *evt) 1691 { 1692 uint32_t aen_code, aen_data; 1693 1694 aen_code = FCH_EVT_VENDOR_UNIQUE; 1695 aen_data = evt->u.aenfx.evtcode; 1696 1697 switch (evt->u.aenfx.evtcode) { 1698 case QLAFX00_MBA_PORT_UPDATE: /* Port database update */ 1699 if (evt->u.aenfx.mbx[1] == 0) { 1700 if (evt->u.aenfx.mbx[2] == 1) { 1701 if (!vha->flags.fw_tgt_reported) 1702 vha->flags.fw_tgt_reported = 1; 1703 atomic_set(&vha->loop_down_timer, 0); 1704 atomic_set(&vha->loop_state, LOOP_UP); 1705 set_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags); 1706 qla2xxx_wake_dpc(vha); 1707 } else if (evt->u.aenfx.mbx[2] == 2) { 1708 qlafx00_tgt_detach(vha, evt->u.aenfx.mbx[3]); 1709 } 1710 } else if (evt->u.aenfx.mbx[1] == 0xffff) { 1711 if (evt->u.aenfx.mbx[2] == 1) { 1712 if (!vha->flags.fw_tgt_reported) 1713 vha->flags.fw_tgt_reported = 1; 1714 set_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags); 1715 } else if (evt->u.aenfx.mbx[2] == 2) { 1716 vha->device_flags |= DFLG_NO_CABLE; 1717 qla2x00_mark_all_devices_lost(vha); 1718 } 1719 } 1720 break; 1721 case QLAFX00_MBA_LINK_UP: 1722 aen_code = FCH_EVT_LINKUP; 1723 aen_data = 0; 1724 break; 1725 case QLAFX00_MBA_LINK_DOWN: 1726 aen_code = FCH_EVT_LINKDOWN; 1727 aen_data = 0; 1728 break; 1729 case QLAFX00_MBA_TEMP_CRIT: /* Critical temperature event */ 1730 ql_log(ql_log_info, vha, 0x5082, 1731 "Process critical temperature event " 1732 "aenmb[0]: %x\n", 1733 evt->u.aenfx.evtcode); 1734 scsi_block_requests(vha->host); 1735 qlafx00_abort_isp_cleanup(vha, true); 1736 scsi_unblock_requests(vha->host); 1737 break; 1738 } 1739 1740 fc_host_post_event(vha->host, fc_get_event_number(), 1741 aen_code, aen_data); 1742 } 1743 1744 static void 1745 qlafx00_update_host_attr(scsi_qla_host_t *vha, struct port_info_data *pinfo) 1746 { 1747 u64 port_name = 0, node_name = 0; 1748 1749 port_name = (unsigned long long)wwn_to_u64(pinfo->port_name); 1750 node_name = (unsigned long long)wwn_to_u64(pinfo->node_name); 1751 1752 fc_host_node_name(vha->host) = node_name; 1753 fc_host_port_name(vha->host) = port_name; 1754 if (!pinfo->port_type) 1755 vha->hw->current_topology = ISP_CFG_F; 1756 if (pinfo->link_status == QLAFX00_LINK_STATUS_UP) 1757 atomic_set(&vha->loop_state, LOOP_READY); 1758 else if (pinfo->link_status == QLAFX00_LINK_STATUS_DOWN) 1759 atomic_set(&vha->loop_state, LOOP_DOWN); 1760 vha->hw->link_data_rate = (uint16_t)pinfo->link_config; 1761 } 1762 1763 static void 1764 qla2x00_fxdisc_iocb_timeout(void *data) 1765 { 1766 srb_t *sp = data; 1767 struct srb_iocb *lio = &sp->u.iocb_cmd; 1768 1769 complete(&lio->u.fxiocb.fxiocb_comp); 1770 } 1771 1772 static void qla2x00_fxdisc_sp_done(srb_t *sp, int res) 1773 { 1774 struct srb_iocb *lio = &sp->u.iocb_cmd; 1775 1776 complete(&lio->u.fxiocb.fxiocb_comp); 1777 } 1778 1779 int 1780 qlafx00_fx_disc(scsi_qla_host_t *vha, fc_port_t *fcport, uint16_t fx_type) 1781 { 1782 srb_t *sp; 1783 struct srb_iocb *fdisc; 1784 int rval = QLA_FUNCTION_FAILED; 1785 struct qla_hw_data *ha = vha->hw; 1786 struct host_system_info *phost_info; 1787 struct register_host_info *preg_hsi; 1788 struct new_utsname *p_sysid = NULL; 1789 1790 /* ref: INIT */ 1791 sp = qla2x00_get_sp(vha, fcport, GFP_KERNEL); 1792 if (!sp) 1793 goto done; 1794 1795 sp->type = SRB_FXIOCB_DCMD; 1796 sp->name = "fxdisc"; 1797 qla2x00_init_async_sp(sp, FXDISC_TIMEOUT, 1798 qla2x00_fxdisc_sp_done); 1799 sp->u.iocb_cmd.timeout = qla2x00_fxdisc_iocb_timeout; 1800 1801 fdisc = &sp->u.iocb_cmd; 1802 switch (fx_type) { 1803 case FXDISC_GET_CONFIG_INFO: 1804 fdisc->u.fxiocb.flags = 1805 SRB_FXDISC_RESP_DMA_VALID; 1806 fdisc->u.fxiocb.rsp_len = sizeof(struct config_info_data); 1807 break; 1808 case FXDISC_GET_PORT_INFO: 1809 fdisc->u.fxiocb.flags = 1810 SRB_FXDISC_RESP_DMA_VALID | SRB_FXDISC_REQ_DWRD_VALID; 1811 fdisc->u.fxiocb.rsp_len = QLAFX00_PORT_DATA_INFO; 1812 fdisc->u.fxiocb.req_data = cpu_to_le32(fcport->port_id); 1813 break; 1814 case FXDISC_GET_TGT_NODE_INFO: 1815 fdisc->u.fxiocb.flags = 1816 SRB_FXDISC_RESP_DMA_VALID | SRB_FXDISC_REQ_DWRD_VALID; 1817 fdisc->u.fxiocb.rsp_len = QLAFX00_TGT_NODE_INFO; 1818 fdisc->u.fxiocb.req_data = cpu_to_le32(fcport->tgt_id); 1819 break; 1820 case FXDISC_GET_TGT_NODE_LIST: 1821 fdisc->u.fxiocb.flags = 1822 SRB_FXDISC_RESP_DMA_VALID | SRB_FXDISC_REQ_DWRD_VALID; 1823 fdisc->u.fxiocb.rsp_len = QLAFX00_TGT_NODE_LIST_SIZE; 1824 break; 1825 case FXDISC_REG_HOST_INFO: 1826 fdisc->u.fxiocb.flags = SRB_FXDISC_REQ_DMA_VALID; 1827 fdisc->u.fxiocb.req_len = sizeof(struct register_host_info); 1828 p_sysid = utsname(); 1829 if (!p_sysid) { 1830 ql_log(ql_log_warn, vha, 0x303c, 1831 "Not able to get the system information\n"); 1832 goto done_free_sp; 1833 } 1834 break; 1835 case FXDISC_ABORT_IOCTL: 1836 default: 1837 break; 1838 } 1839 1840 if (fdisc->u.fxiocb.flags & SRB_FXDISC_REQ_DMA_VALID) { 1841 fdisc->u.fxiocb.req_addr = dma_alloc_coherent(&ha->pdev->dev, 1842 fdisc->u.fxiocb.req_len, 1843 &fdisc->u.fxiocb.req_dma_handle, GFP_KERNEL); 1844 if (!fdisc->u.fxiocb.req_addr) 1845 goto done_free_sp; 1846 1847 if (fx_type == FXDISC_REG_HOST_INFO) { 1848 preg_hsi = (struct register_host_info *) 1849 fdisc->u.fxiocb.req_addr; 1850 phost_info = &preg_hsi->hsi; 1851 memset(preg_hsi, 0, sizeof(struct register_host_info)); 1852 phost_info->os_type = OS_TYPE_LINUX; 1853 strlcpy(phost_info->sysname, p_sysid->sysname, 1854 sizeof(phost_info->sysname)); 1855 strlcpy(phost_info->nodename, p_sysid->nodename, 1856 sizeof(phost_info->nodename)); 1857 if (!strcmp(phost_info->nodename, "(none)")) 1858 ha->mr.host_info_resend = true; 1859 strlcpy(phost_info->release, p_sysid->release, 1860 sizeof(phost_info->release)); 1861 strlcpy(phost_info->version, p_sysid->version, 1862 sizeof(phost_info->version)); 1863 strlcpy(phost_info->machine, p_sysid->machine, 1864 sizeof(phost_info->machine)); 1865 strlcpy(phost_info->domainname, p_sysid->domainname, 1866 sizeof(phost_info->domainname)); 1867 strlcpy(phost_info->hostdriver, QLA2XXX_VERSION, 1868 sizeof(phost_info->hostdriver)); 1869 preg_hsi->utc = (uint64_t)ktime_get_real_seconds(); 1870 ql_dbg(ql_dbg_init, vha, 0x0149, 1871 "ISP%04X: Host registration with firmware\n", 1872 ha->pdev->device); 1873 ql_dbg(ql_dbg_init, vha, 0x014a, 1874 "os_type = '%d', sysname = '%s', nodname = '%s'\n", 1875 phost_info->os_type, 1876 phost_info->sysname, 1877 phost_info->nodename); 1878 ql_dbg(ql_dbg_init, vha, 0x014b, 1879 "release = '%s', version = '%s'\n", 1880 phost_info->release, 1881 phost_info->version); 1882 ql_dbg(ql_dbg_init, vha, 0x014c, 1883 "machine = '%s' " 1884 "domainname = '%s', hostdriver = '%s'\n", 1885 phost_info->machine, 1886 phost_info->domainname, 1887 phost_info->hostdriver); 1888 ql_dump_buffer(ql_dbg_init + ql_dbg_disc, vha, 0x014d, 1889 phost_info, sizeof(*phost_info)); 1890 } 1891 } 1892 1893 if (fdisc->u.fxiocb.flags & SRB_FXDISC_RESP_DMA_VALID) { 1894 fdisc->u.fxiocb.rsp_addr = dma_alloc_coherent(&ha->pdev->dev, 1895 fdisc->u.fxiocb.rsp_len, 1896 &fdisc->u.fxiocb.rsp_dma_handle, GFP_KERNEL); 1897 if (!fdisc->u.fxiocb.rsp_addr) 1898 goto done_unmap_req; 1899 } 1900 1901 fdisc->u.fxiocb.req_func_type = cpu_to_le16(fx_type); 1902 1903 rval = qla2x00_start_sp(sp); 1904 if (rval != QLA_SUCCESS) 1905 goto done_unmap_dma; 1906 1907 wait_for_completion(&fdisc->u.fxiocb.fxiocb_comp); 1908 1909 if (fx_type == FXDISC_GET_CONFIG_INFO) { 1910 struct config_info_data *pinfo = 1911 (struct config_info_data *) fdisc->u.fxiocb.rsp_addr; 1912 strlcpy(vha->hw->model_number, pinfo->model_num, 1913 ARRAY_SIZE(vha->hw->model_number)); 1914 strlcpy(vha->hw->model_desc, pinfo->model_description, 1915 ARRAY_SIZE(vha->hw->model_desc)); 1916 memcpy(&vha->hw->mr.symbolic_name, pinfo->symbolic_name, 1917 sizeof(vha->hw->mr.symbolic_name)); 1918 memcpy(&vha->hw->mr.serial_num, pinfo->serial_num, 1919 sizeof(vha->hw->mr.serial_num)); 1920 memcpy(&vha->hw->mr.hw_version, pinfo->hw_version, 1921 sizeof(vha->hw->mr.hw_version)); 1922 memcpy(&vha->hw->mr.fw_version, pinfo->fw_version, 1923 sizeof(vha->hw->mr.fw_version)); 1924 strim(vha->hw->mr.fw_version); 1925 memcpy(&vha->hw->mr.uboot_version, pinfo->uboot_version, 1926 sizeof(vha->hw->mr.uboot_version)); 1927 memcpy(&vha->hw->mr.fru_serial_num, pinfo->fru_serial_num, 1928 sizeof(vha->hw->mr.fru_serial_num)); 1929 vha->hw->mr.critical_temperature = 1930 (pinfo->nominal_temp_value) ? 1931 pinfo->nominal_temp_value : QLAFX00_CRITEMP_THRSHLD; 1932 ha->mr.extended_io_enabled = (pinfo->enabled_capabilities & 1933 QLAFX00_EXTENDED_IO_EN_MASK) != 0; 1934 } else if (fx_type == FXDISC_GET_PORT_INFO) { 1935 struct port_info_data *pinfo = 1936 (struct port_info_data *) fdisc->u.fxiocb.rsp_addr; 1937 memcpy(vha->node_name, pinfo->node_name, WWN_SIZE); 1938 memcpy(vha->port_name, pinfo->port_name, WWN_SIZE); 1939 vha->d_id.b.domain = pinfo->port_id[0]; 1940 vha->d_id.b.area = pinfo->port_id[1]; 1941 vha->d_id.b.al_pa = pinfo->port_id[2]; 1942 qlafx00_update_host_attr(vha, pinfo); 1943 ql_dump_buffer(ql_dbg_init + ql_dbg_buffer, vha, 0x0141, 1944 pinfo, 16); 1945 } else if (fx_type == FXDISC_GET_TGT_NODE_INFO) { 1946 struct qlafx00_tgt_node_info *pinfo = 1947 (struct qlafx00_tgt_node_info *) fdisc->u.fxiocb.rsp_addr; 1948 memcpy(fcport->node_name, pinfo->tgt_node_wwnn, WWN_SIZE); 1949 memcpy(fcport->port_name, pinfo->tgt_node_wwpn, WWN_SIZE); 1950 fcport->port_type = FCT_TARGET; 1951 ql_dump_buffer(ql_dbg_init + ql_dbg_buffer, vha, 0x0144, 1952 pinfo, 16); 1953 } else if (fx_type == FXDISC_GET_TGT_NODE_LIST) { 1954 struct qlafx00_tgt_node_info *pinfo = 1955 (struct qlafx00_tgt_node_info *) fdisc->u.fxiocb.rsp_addr; 1956 ql_dump_buffer(ql_dbg_init + ql_dbg_buffer, vha, 0x0146, 1957 pinfo, 16); 1958 memcpy(vha->hw->gid_list, pinfo, QLAFX00_TGT_NODE_LIST_SIZE); 1959 } else if (fx_type == FXDISC_ABORT_IOCTL) 1960 fdisc->u.fxiocb.result = 1961 (fdisc->u.fxiocb.result == 1962 cpu_to_le32(QLAFX00_IOCTL_ICOB_ABORT_SUCCESS)) ? 1963 cpu_to_le32(QLA_SUCCESS) : cpu_to_le32(QLA_FUNCTION_FAILED); 1964 1965 rval = le32_to_cpu(fdisc->u.fxiocb.result); 1966 1967 done_unmap_dma: 1968 if (fdisc->u.fxiocb.rsp_addr) 1969 dma_free_coherent(&ha->pdev->dev, fdisc->u.fxiocb.rsp_len, 1970 fdisc->u.fxiocb.rsp_addr, fdisc->u.fxiocb.rsp_dma_handle); 1971 1972 done_unmap_req: 1973 if (fdisc->u.fxiocb.req_addr) 1974 dma_free_coherent(&ha->pdev->dev, fdisc->u.fxiocb.req_len, 1975 fdisc->u.fxiocb.req_addr, fdisc->u.fxiocb.req_dma_handle); 1976 done_free_sp: 1977 /* ref: INIT */ 1978 kref_put(&sp->cmd_kref, qla2x00_sp_release); 1979 done: 1980 return rval; 1981 } 1982 1983 /* 1984 * qlafx00_initialize_adapter 1985 * Initialize board. 1986 * 1987 * Input: 1988 * ha = adapter block pointer. 1989 * 1990 * Returns: 1991 * 0 = success 1992 */ 1993 int 1994 qlafx00_initialize_adapter(scsi_qla_host_t *vha) 1995 { 1996 int rval; 1997 struct qla_hw_data *ha = vha->hw; 1998 uint32_t tempc; 1999 2000 /* Clear adapter flags. */ 2001 vha->flags.online = 0; 2002 ha->flags.chip_reset_done = 0; 2003 vha->flags.reset_active = 0; 2004 ha->flags.pci_channel_io_perm_failure = 0; 2005 ha->flags.eeh_busy = 0; 2006 atomic_set(&vha->loop_down_timer, LOOP_DOWN_TIME); 2007 atomic_set(&vha->loop_state, LOOP_DOWN); 2008 vha->device_flags = DFLG_NO_CABLE; 2009 vha->dpc_flags = 0; 2010 vha->flags.management_server_logged_in = 0; 2011 ha->isp_abort_cnt = 0; 2012 ha->beacon_blink_led = 0; 2013 2014 set_bit(0, ha->req_qid_map); 2015 set_bit(0, ha->rsp_qid_map); 2016 2017 ql_dbg(ql_dbg_init, vha, 0x0147, 2018 "Configuring PCI space...\n"); 2019 2020 rval = ha->isp_ops->pci_config(vha); 2021 if (rval) { 2022 ql_log(ql_log_warn, vha, 0x0148, 2023 "Unable to configure PCI space.\n"); 2024 return rval; 2025 } 2026 2027 rval = qlafx00_init_fw_ready(vha); 2028 if (rval != QLA_SUCCESS) 2029 return rval; 2030 2031 qlafx00_save_queue_ptrs(vha); 2032 2033 rval = qlafx00_config_queues(vha); 2034 if (rval != QLA_SUCCESS) 2035 return rval; 2036 2037 /* 2038 * Allocate the array of outstanding commands 2039 * now that we know the firmware resources. 2040 */ 2041 rval = qla2x00_alloc_outstanding_cmds(ha, vha->req); 2042 if (rval != QLA_SUCCESS) 2043 return rval; 2044 2045 rval = qla2x00_init_rings(vha); 2046 ha->flags.chip_reset_done = 1; 2047 2048 tempc = QLAFX00_GET_TEMPERATURE(ha); 2049 ql_dbg(ql_dbg_init, vha, 0x0152, 2050 "ISPFx00(%s): Critical temp timer, current SOC temperature: 0x%x\n", 2051 __func__, tempc); 2052 2053 return rval; 2054 } 2055 2056 uint32_t 2057 qlafx00_fw_state_show(struct device *dev, struct device_attribute *attr, 2058 char *buf) 2059 { 2060 scsi_qla_host_t *vha = shost_priv(class_to_shost(dev)); 2061 int rval = QLA_FUNCTION_FAILED; 2062 uint32_t state[1]; 2063 2064 if (qla2x00_reset_active(vha)) 2065 ql_log(ql_log_warn, vha, 0x70ce, 2066 "ISP reset active.\n"); 2067 else if (!vha->hw->flags.eeh_busy) { 2068 rval = qlafx00_get_firmware_state(vha, state); 2069 } 2070 if (rval != QLA_SUCCESS) 2071 memset(state, -1, sizeof(state)); 2072 2073 return state[0]; 2074 } 2075 2076 void 2077 qlafx00_get_host_speed(struct Scsi_Host *shost) 2078 { 2079 struct qla_hw_data *ha = ((struct scsi_qla_host *) 2080 (shost_priv(shost)))->hw; 2081 u32 speed = FC_PORTSPEED_UNKNOWN; 2082 2083 switch (ha->link_data_rate) { 2084 case QLAFX00_PORT_SPEED_2G: 2085 speed = FC_PORTSPEED_2GBIT; 2086 break; 2087 case QLAFX00_PORT_SPEED_4G: 2088 speed = FC_PORTSPEED_4GBIT; 2089 break; 2090 case QLAFX00_PORT_SPEED_8G: 2091 speed = FC_PORTSPEED_8GBIT; 2092 break; 2093 case QLAFX00_PORT_SPEED_10G: 2094 speed = FC_PORTSPEED_10GBIT; 2095 break; 2096 } 2097 fc_host_speed(shost) = speed; 2098 } 2099 2100 /** QLAFX00 specific ISR implementation functions */ 2101 2102 static inline void 2103 qlafx00_handle_sense(srb_t *sp, uint8_t *sense_data, uint32_t par_sense_len, 2104 uint32_t sense_len, struct rsp_que *rsp, int res) 2105 { 2106 struct scsi_qla_host *vha = sp->vha; 2107 struct scsi_cmnd *cp = GET_CMD_SP(sp); 2108 uint32_t track_sense_len; 2109 2110 SET_FW_SENSE_LEN(sp, sense_len); 2111 2112 if (sense_len >= SCSI_SENSE_BUFFERSIZE) 2113 sense_len = SCSI_SENSE_BUFFERSIZE; 2114 2115 SET_CMD_SENSE_LEN(sp, sense_len); 2116 SET_CMD_SENSE_PTR(sp, cp->sense_buffer); 2117 track_sense_len = sense_len; 2118 2119 if (sense_len > par_sense_len) 2120 sense_len = par_sense_len; 2121 2122 memcpy(cp->sense_buffer, sense_data, sense_len); 2123 2124 SET_FW_SENSE_LEN(sp, GET_FW_SENSE_LEN(sp) - sense_len); 2125 2126 SET_CMD_SENSE_PTR(sp, cp->sense_buffer + sense_len); 2127 track_sense_len -= sense_len; 2128 SET_CMD_SENSE_LEN(sp, track_sense_len); 2129 2130 ql_dbg(ql_dbg_io, vha, 0x304d, 2131 "sense_len=0x%x par_sense_len=0x%x track_sense_len=0x%x.\n", 2132 sense_len, par_sense_len, track_sense_len); 2133 if (GET_FW_SENSE_LEN(sp) > 0) { 2134 rsp->status_srb = sp; 2135 cp->result = res; 2136 } 2137 2138 if (sense_len) { 2139 ql_dbg(ql_dbg_io + ql_dbg_buffer, vha, 0x3039, 2140 "Check condition Sense data, nexus%ld:%d:%llu cmd=%p.\n", 2141 sp->vha->host_no, cp->device->id, cp->device->lun, 2142 cp); 2143 ql_dump_buffer(ql_dbg_io + ql_dbg_buffer, vha, 0x3049, 2144 cp->sense_buffer, sense_len); 2145 } 2146 } 2147 2148 static void 2149 qlafx00_tm_iocb_entry(scsi_qla_host_t *vha, struct req_que *req, 2150 struct tsk_mgmt_entry_fx00 *pkt, srb_t *sp, 2151 __le16 sstatus, __le16 cpstatus) 2152 { 2153 struct srb_iocb *tmf; 2154 2155 tmf = &sp->u.iocb_cmd; 2156 if (cpstatus != cpu_to_le16((uint16_t)CS_COMPLETE) || 2157 (sstatus & cpu_to_le16((uint16_t)SS_RESPONSE_INFO_LEN_VALID))) 2158 cpstatus = cpu_to_le16((uint16_t)CS_INCOMPLETE); 2159 tmf->u.tmf.comp_status = cpstatus; 2160 sp->done(sp, 0); 2161 } 2162 2163 static void 2164 qlafx00_abort_iocb_entry(scsi_qla_host_t *vha, struct req_que *req, 2165 struct abort_iocb_entry_fx00 *pkt) 2166 { 2167 const char func[] = "ABT_IOCB"; 2168 srb_t *sp; 2169 struct srb_iocb *abt; 2170 2171 sp = qla2x00_get_sp_from_handle(vha, func, req, pkt); 2172 if (!sp) 2173 return; 2174 2175 abt = &sp->u.iocb_cmd; 2176 abt->u.abt.comp_status = pkt->tgt_id_sts; 2177 sp->done(sp, 0); 2178 } 2179 2180 static void 2181 qlafx00_ioctl_iosb_entry(scsi_qla_host_t *vha, struct req_que *req, 2182 struct ioctl_iocb_entry_fx00 *pkt) 2183 { 2184 const char func[] = "IOSB_IOCB"; 2185 srb_t *sp; 2186 struct bsg_job *bsg_job; 2187 struct fc_bsg_reply *bsg_reply; 2188 struct srb_iocb *iocb_job; 2189 int res = 0; 2190 struct qla_mt_iocb_rsp_fx00 fstatus; 2191 uint8_t *fw_sts_ptr; 2192 2193 sp = qla2x00_get_sp_from_handle(vha, func, req, pkt); 2194 if (!sp) 2195 return; 2196 2197 if (sp->type == SRB_FXIOCB_DCMD) { 2198 iocb_job = &sp->u.iocb_cmd; 2199 iocb_job->u.fxiocb.seq_number = pkt->seq_no; 2200 iocb_job->u.fxiocb.fw_flags = pkt->fw_iotcl_flags; 2201 iocb_job->u.fxiocb.result = pkt->status; 2202 if (iocb_job->u.fxiocb.flags & SRB_FXDISC_RSP_DWRD_VALID) 2203 iocb_job->u.fxiocb.req_data = 2204 pkt->dataword_r; 2205 } else { 2206 bsg_job = sp->u.bsg_job; 2207 bsg_reply = bsg_job->reply; 2208 2209 memset(&fstatus, 0, sizeof(struct qla_mt_iocb_rsp_fx00)); 2210 2211 fstatus.reserved_1 = pkt->reserved_0; 2212 fstatus.func_type = pkt->comp_func_num; 2213 fstatus.ioctl_flags = pkt->fw_iotcl_flags; 2214 fstatus.ioctl_data = pkt->dataword_r; 2215 fstatus.adapid = pkt->adapid; 2216 fstatus.reserved_2 = pkt->dataword_r_extra; 2217 fstatus.res_count = pkt->residuallen; 2218 fstatus.status = pkt->status; 2219 fstatus.seq_number = pkt->seq_no; 2220 memcpy(fstatus.reserved_3, 2221 pkt->reserved_2, 20 * sizeof(uint8_t)); 2222 2223 fw_sts_ptr = bsg_job->reply + sizeof(struct fc_bsg_reply); 2224 2225 memcpy(fw_sts_ptr, &fstatus, sizeof(fstatus)); 2226 bsg_job->reply_len = sizeof(struct fc_bsg_reply) + 2227 sizeof(struct qla_mt_iocb_rsp_fx00) + sizeof(uint8_t); 2228 2229 ql_dump_buffer(ql_dbg_user + ql_dbg_verbose, 2230 sp->vha, 0x5080, pkt, sizeof(*pkt)); 2231 2232 ql_dump_buffer(ql_dbg_user + ql_dbg_verbose, 2233 sp->vha, 0x5074, 2234 fw_sts_ptr, sizeof(fstatus)); 2235 2236 res = bsg_reply->result = DID_OK << 16; 2237 bsg_reply->reply_payload_rcv_len = 2238 bsg_job->reply_payload.payload_len; 2239 } 2240 sp->done(sp, res); 2241 } 2242 2243 /** 2244 * qlafx00_status_entry() - Process a Status IOCB entry. 2245 * @vha: SCSI driver HA context 2246 * @rsp: response queue 2247 * @pkt: Entry pointer 2248 */ 2249 static void 2250 qlafx00_status_entry(scsi_qla_host_t *vha, struct rsp_que *rsp, void *pkt) 2251 { 2252 srb_t *sp; 2253 fc_port_t *fcport; 2254 struct scsi_cmnd *cp; 2255 struct sts_entry_fx00 *sts; 2256 __le16 comp_status; 2257 __le16 scsi_status; 2258 __le16 lscsi_status; 2259 int32_t resid; 2260 uint32_t sense_len, par_sense_len, rsp_info_len, resid_len, 2261 fw_resid_len; 2262 uint8_t *rsp_info = NULL, *sense_data = NULL; 2263 struct qla_hw_data *ha = vha->hw; 2264 uint32_t hindex, handle; 2265 uint16_t que; 2266 struct req_que *req; 2267 int logit = 1; 2268 int res = 0; 2269 2270 sts = (struct sts_entry_fx00 *) pkt; 2271 2272 comp_status = sts->comp_status; 2273 scsi_status = sts->scsi_status & cpu_to_le16((uint16_t)SS_MASK); 2274 hindex = sts->handle; 2275 handle = LSW(hindex); 2276 2277 que = MSW(hindex); 2278 req = ha->req_q_map[que]; 2279 2280 /* Validate handle. */ 2281 if (handle < req->num_outstanding_cmds) 2282 sp = req->outstanding_cmds[handle]; 2283 else 2284 sp = NULL; 2285 2286 if (sp == NULL) { 2287 ql_dbg(ql_dbg_io, vha, 0x3034, 2288 "Invalid status handle (0x%x).\n", handle); 2289 2290 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags); 2291 qla2xxx_wake_dpc(vha); 2292 return; 2293 } 2294 2295 if (sp->type == SRB_TM_CMD) { 2296 req->outstanding_cmds[handle] = NULL; 2297 qlafx00_tm_iocb_entry(vha, req, pkt, sp, 2298 scsi_status, comp_status); 2299 return; 2300 } 2301 2302 /* Fast path completion. */ 2303 if (comp_status == CS_COMPLETE && scsi_status == 0) { 2304 qla2x00_process_completed_request(vha, req, handle); 2305 return; 2306 } 2307 2308 req->outstanding_cmds[handle] = NULL; 2309 cp = GET_CMD_SP(sp); 2310 if (cp == NULL) { 2311 ql_dbg(ql_dbg_io, vha, 0x3048, 2312 "Command already returned (0x%x/%p).\n", 2313 handle, sp); 2314 2315 return; 2316 } 2317 2318 lscsi_status = scsi_status & cpu_to_le16((uint16_t)STATUS_MASK); 2319 2320 fcport = sp->fcport; 2321 2322 sense_len = par_sense_len = rsp_info_len = resid_len = 2323 fw_resid_len = 0; 2324 if (scsi_status & cpu_to_le16((uint16_t)SS_SENSE_LEN_VALID)) 2325 sense_len = sts->sense_len; 2326 if (scsi_status & cpu_to_le16(((uint16_t)SS_RESIDUAL_UNDER 2327 | (uint16_t)SS_RESIDUAL_OVER))) 2328 resid_len = le32_to_cpu(sts->residual_len); 2329 if (comp_status == cpu_to_le16((uint16_t)CS_DATA_UNDERRUN)) 2330 fw_resid_len = le32_to_cpu(sts->residual_len); 2331 rsp_info = sense_data = sts->data; 2332 par_sense_len = sizeof(sts->data); 2333 2334 /* Check for overrun. */ 2335 if (comp_status == CS_COMPLETE && 2336 scsi_status & cpu_to_le16((uint16_t)SS_RESIDUAL_OVER)) 2337 comp_status = cpu_to_le16((uint16_t)CS_DATA_OVERRUN); 2338 2339 /* 2340 * Based on Host and scsi status generate status code for Linux 2341 */ 2342 switch (le16_to_cpu(comp_status)) { 2343 case CS_COMPLETE: 2344 case CS_QUEUE_FULL: 2345 if (scsi_status == 0) { 2346 res = DID_OK << 16; 2347 break; 2348 } 2349 if (scsi_status & cpu_to_le16(((uint16_t)SS_RESIDUAL_UNDER 2350 | (uint16_t)SS_RESIDUAL_OVER))) { 2351 resid = resid_len; 2352 scsi_set_resid(cp, resid); 2353 2354 if (!lscsi_status && 2355 ((unsigned)(scsi_bufflen(cp) - resid) < 2356 cp->underflow)) { 2357 ql_dbg(ql_dbg_io, fcport->vha, 0x3050, 2358 "Mid-layer underflow " 2359 "detected (0x%x of 0x%x bytes).\n", 2360 resid, scsi_bufflen(cp)); 2361 2362 res = DID_ERROR << 16; 2363 break; 2364 } 2365 } 2366 res = DID_OK << 16 | le16_to_cpu(lscsi_status); 2367 2368 if (lscsi_status == 2369 cpu_to_le16((uint16_t)SAM_STAT_TASK_SET_FULL)) { 2370 ql_dbg(ql_dbg_io, fcport->vha, 0x3051, 2371 "QUEUE FULL detected.\n"); 2372 break; 2373 } 2374 logit = 0; 2375 if (lscsi_status != cpu_to_le16((uint16_t)SS_CHECK_CONDITION)) 2376 break; 2377 2378 memset(cp->sense_buffer, 0, SCSI_SENSE_BUFFERSIZE); 2379 if (!(scsi_status & cpu_to_le16((uint16_t)SS_SENSE_LEN_VALID))) 2380 break; 2381 2382 qlafx00_handle_sense(sp, sense_data, par_sense_len, sense_len, 2383 rsp, res); 2384 break; 2385 2386 case CS_DATA_UNDERRUN: 2387 /* Use F/W calculated residual length. */ 2388 if (IS_FWI2_CAPABLE(ha) || IS_QLAFX00(ha)) 2389 resid = fw_resid_len; 2390 else 2391 resid = resid_len; 2392 scsi_set_resid(cp, resid); 2393 if (scsi_status & cpu_to_le16((uint16_t)SS_RESIDUAL_UNDER)) { 2394 if ((IS_FWI2_CAPABLE(ha) || IS_QLAFX00(ha)) 2395 && fw_resid_len != resid_len) { 2396 ql_dbg(ql_dbg_io, fcport->vha, 0x3052, 2397 "Dropped frame(s) detected " 2398 "(0x%x of 0x%x bytes).\n", 2399 resid, scsi_bufflen(cp)); 2400 2401 res = DID_ERROR << 16 | 2402 le16_to_cpu(lscsi_status); 2403 goto check_scsi_status; 2404 } 2405 2406 if (!lscsi_status && 2407 ((unsigned)(scsi_bufflen(cp) - resid) < 2408 cp->underflow)) { 2409 ql_dbg(ql_dbg_io, fcport->vha, 0x3053, 2410 "Mid-layer underflow " 2411 "detected (0x%x of 0x%x bytes, " 2412 "cp->underflow: 0x%x).\n", 2413 resid, scsi_bufflen(cp), cp->underflow); 2414 2415 res = DID_ERROR << 16; 2416 break; 2417 } 2418 } else if (lscsi_status != 2419 cpu_to_le16((uint16_t)SAM_STAT_TASK_SET_FULL) && 2420 lscsi_status != cpu_to_le16((uint16_t)SAM_STAT_BUSY)) { 2421 /* 2422 * scsi status of task set and busy are considered 2423 * to be task not completed. 2424 */ 2425 2426 ql_dbg(ql_dbg_io, fcport->vha, 0x3054, 2427 "Dropped frame(s) detected (0x%x " 2428 "of 0x%x bytes).\n", resid, 2429 scsi_bufflen(cp)); 2430 2431 res = DID_ERROR << 16 | le16_to_cpu(lscsi_status); 2432 goto check_scsi_status; 2433 } else { 2434 ql_dbg(ql_dbg_io, fcport->vha, 0x3055, 2435 "scsi_status: 0x%x, lscsi_status: 0x%x\n", 2436 scsi_status, lscsi_status); 2437 } 2438 2439 res = DID_OK << 16 | le16_to_cpu(lscsi_status); 2440 logit = 0; 2441 2442 check_scsi_status: 2443 /* 2444 * Check to see if SCSI Status is non zero. If so report SCSI 2445 * Status. 2446 */ 2447 if (lscsi_status != 0) { 2448 if (lscsi_status == 2449 cpu_to_le16((uint16_t)SAM_STAT_TASK_SET_FULL)) { 2450 ql_dbg(ql_dbg_io, fcport->vha, 0x3056, 2451 "QUEUE FULL detected.\n"); 2452 logit = 1; 2453 break; 2454 } 2455 if (lscsi_status != 2456 cpu_to_le16((uint16_t)SS_CHECK_CONDITION)) 2457 break; 2458 2459 memset(cp->sense_buffer, 0, SCSI_SENSE_BUFFERSIZE); 2460 if (!(scsi_status & 2461 cpu_to_le16((uint16_t)SS_SENSE_LEN_VALID))) 2462 break; 2463 2464 qlafx00_handle_sense(sp, sense_data, par_sense_len, 2465 sense_len, rsp, res); 2466 } 2467 break; 2468 2469 case CS_PORT_LOGGED_OUT: 2470 case CS_PORT_CONFIG_CHG: 2471 case CS_PORT_BUSY: 2472 case CS_INCOMPLETE: 2473 case CS_PORT_UNAVAILABLE: 2474 case CS_TIMEOUT: 2475 case CS_RESET: 2476 2477 /* 2478 * We are going to have the fc class block the rport 2479 * while we try to recover so instruct the mid layer 2480 * to requeue until the class decides how to handle this. 2481 */ 2482 res = DID_TRANSPORT_DISRUPTED << 16; 2483 2484 ql_dbg(ql_dbg_io, fcport->vha, 0x3057, 2485 "Port down status: port-state=0x%x.\n", 2486 atomic_read(&fcport->state)); 2487 2488 if (atomic_read(&fcport->state) == FCS_ONLINE) 2489 qla2x00_mark_device_lost(fcport->vha, fcport, 1); 2490 break; 2491 2492 case CS_ABORTED: 2493 res = DID_RESET << 16; 2494 break; 2495 2496 default: 2497 res = DID_ERROR << 16; 2498 break; 2499 } 2500 2501 if (logit) 2502 ql_dbg(ql_dbg_io, fcport->vha, 0x3058, 2503 "FCP command status: 0x%x-0x%x (0x%x) nexus=%ld:%d:%llu " 2504 "tgt_id: 0x%x lscsi_status: 0x%x cdb=%10phN len=0x%x " 2505 "rsp_info=%p resid=0x%x fw_resid=0x%x sense_len=0x%x, " 2506 "par_sense_len=0x%x, rsp_info_len=0x%x\n", 2507 comp_status, scsi_status, res, vha->host_no, 2508 cp->device->id, cp->device->lun, fcport->tgt_id, 2509 lscsi_status, cp->cmnd, scsi_bufflen(cp), 2510 rsp_info, resid_len, fw_resid_len, sense_len, 2511 par_sense_len, rsp_info_len); 2512 2513 if (rsp->status_srb == NULL) 2514 sp->done(sp, res); 2515 else 2516 WARN_ON_ONCE(true); 2517 } 2518 2519 /** 2520 * qlafx00_status_cont_entry() - Process a Status Continuations entry. 2521 * @rsp: response queue 2522 * @pkt: Entry pointer 2523 * 2524 * Extended sense data. 2525 */ 2526 static void 2527 qlafx00_status_cont_entry(struct rsp_que *rsp, sts_cont_entry_t *pkt) 2528 { 2529 uint8_t sense_sz = 0; 2530 struct qla_hw_data *ha = rsp->hw; 2531 struct scsi_qla_host *vha = pci_get_drvdata(ha->pdev); 2532 srb_t *sp = rsp->status_srb; 2533 struct scsi_cmnd *cp; 2534 uint32_t sense_len; 2535 uint8_t *sense_ptr; 2536 2537 if (!sp) { 2538 ql_dbg(ql_dbg_io, vha, 0x3037, 2539 "no SP, sp = %p\n", sp); 2540 return; 2541 } 2542 2543 if (!GET_FW_SENSE_LEN(sp)) { 2544 ql_dbg(ql_dbg_io, vha, 0x304b, 2545 "no fw sense data, sp = %p\n", sp); 2546 return; 2547 } 2548 cp = GET_CMD_SP(sp); 2549 if (cp == NULL) { 2550 ql_log(ql_log_warn, vha, 0x303b, 2551 "cmd is NULL: already returned to OS (sp=%p).\n", sp); 2552 2553 rsp->status_srb = NULL; 2554 return; 2555 } 2556 2557 if (!GET_CMD_SENSE_LEN(sp)) { 2558 ql_dbg(ql_dbg_io, vha, 0x304c, 2559 "no sense data, sp = %p\n", sp); 2560 } else { 2561 sense_len = GET_CMD_SENSE_LEN(sp); 2562 sense_ptr = GET_CMD_SENSE_PTR(sp); 2563 ql_dbg(ql_dbg_io, vha, 0x304f, 2564 "sp=%p sense_len=0x%x sense_ptr=%p.\n", 2565 sp, sense_len, sense_ptr); 2566 2567 if (sense_len > sizeof(pkt->data)) 2568 sense_sz = sizeof(pkt->data); 2569 else 2570 sense_sz = sense_len; 2571 2572 /* Move sense data. */ 2573 ql_dump_buffer(ql_dbg_io + ql_dbg_buffer, vha, 0x304e, 2574 pkt, sizeof(*pkt)); 2575 memcpy(sense_ptr, pkt->data, sense_sz); 2576 ql_dump_buffer(ql_dbg_io + ql_dbg_buffer, vha, 0x304a, 2577 sense_ptr, sense_sz); 2578 2579 sense_len -= sense_sz; 2580 sense_ptr += sense_sz; 2581 2582 SET_CMD_SENSE_PTR(sp, sense_ptr); 2583 SET_CMD_SENSE_LEN(sp, sense_len); 2584 } 2585 sense_len = GET_FW_SENSE_LEN(sp); 2586 sense_len = (sense_len > sizeof(pkt->data)) ? 2587 (sense_len - sizeof(pkt->data)) : 0; 2588 SET_FW_SENSE_LEN(sp, sense_len); 2589 2590 /* Place command on done queue. */ 2591 if (sense_len == 0) { 2592 rsp->status_srb = NULL; 2593 sp->done(sp, cp->result); 2594 } else { 2595 WARN_ON_ONCE(true); 2596 } 2597 } 2598 2599 /** 2600 * qlafx00_multistatus_entry() - Process Multi response queue entries. 2601 * @vha: SCSI driver HA context 2602 * @rsp: response queue 2603 * @pkt: received packet 2604 */ 2605 static void 2606 qlafx00_multistatus_entry(struct scsi_qla_host *vha, 2607 struct rsp_que *rsp, void *pkt) 2608 { 2609 srb_t *sp; 2610 struct multi_sts_entry_fx00 *stsmfx; 2611 struct qla_hw_data *ha = vha->hw; 2612 uint32_t handle, hindex, handle_count, i; 2613 uint16_t que; 2614 struct req_que *req; 2615 __le32 *handle_ptr; 2616 2617 stsmfx = (struct multi_sts_entry_fx00 *) pkt; 2618 2619 handle_count = stsmfx->handle_count; 2620 2621 if (handle_count > MAX_HANDLE_COUNT) { 2622 ql_dbg(ql_dbg_io, vha, 0x3035, 2623 "Invalid handle count (0x%x).\n", handle_count); 2624 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags); 2625 qla2xxx_wake_dpc(vha); 2626 return; 2627 } 2628 2629 handle_ptr = &stsmfx->handles[0]; 2630 2631 for (i = 0; i < handle_count; i++) { 2632 hindex = le32_to_cpu(*handle_ptr); 2633 handle = LSW(hindex); 2634 que = MSW(hindex); 2635 req = ha->req_q_map[que]; 2636 2637 /* Validate handle. */ 2638 if (handle < req->num_outstanding_cmds) 2639 sp = req->outstanding_cmds[handle]; 2640 else 2641 sp = NULL; 2642 2643 if (sp == NULL) { 2644 ql_dbg(ql_dbg_io, vha, 0x3044, 2645 "Invalid status handle (0x%x).\n", handle); 2646 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags); 2647 qla2xxx_wake_dpc(vha); 2648 return; 2649 } 2650 qla2x00_process_completed_request(vha, req, handle); 2651 handle_ptr++; 2652 } 2653 } 2654 2655 /** 2656 * qlafx00_error_entry() - Process an error entry. 2657 * @vha: SCSI driver HA context 2658 * @rsp: response queue 2659 * @pkt: Entry pointer 2660 */ 2661 static void 2662 qlafx00_error_entry(scsi_qla_host_t *vha, struct rsp_que *rsp, 2663 struct sts_entry_fx00 *pkt) 2664 { 2665 srb_t *sp; 2666 struct qla_hw_data *ha = vha->hw; 2667 const char func[] = "ERROR-IOCB"; 2668 uint16_t que = 0; 2669 struct req_que *req = NULL; 2670 int res = DID_ERROR << 16; 2671 2672 req = ha->req_q_map[que]; 2673 2674 sp = qla2x00_get_sp_from_handle(vha, func, req, pkt); 2675 if (sp) { 2676 sp->done(sp, res); 2677 return; 2678 } 2679 2680 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags); 2681 qla2xxx_wake_dpc(vha); 2682 } 2683 2684 /** 2685 * qlafx00_process_response_queue() - Process response queue entries. 2686 * @vha: SCSI driver HA context 2687 * @rsp: response queue 2688 */ 2689 static void 2690 qlafx00_process_response_queue(struct scsi_qla_host *vha, 2691 struct rsp_que *rsp) 2692 { 2693 struct sts_entry_fx00 *pkt; 2694 response_t *lptr; 2695 uint16_t lreq_q_in = 0; 2696 uint16_t lreq_q_out = 0; 2697 2698 lreq_q_in = rd_reg_dword(rsp->rsp_q_in); 2699 lreq_q_out = rsp->ring_index; 2700 2701 while (lreq_q_in != lreq_q_out) { 2702 lptr = rsp->ring_ptr; 2703 memcpy_fromio(rsp->rsp_pkt, (void __iomem *)lptr, 2704 sizeof(rsp->rsp_pkt)); 2705 pkt = (struct sts_entry_fx00 *)rsp->rsp_pkt; 2706 2707 rsp->ring_index++; 2708 lreq_q_out++; 2709 if (rsp->ring_index == rsp->length) { 2710 lreq_q_out = 0; 2711 rsp->ring_index = 0; 2712 rsp->ring_ptr = rsp->ring; 2713 } else { 2714 rsp->ring_ptr++; 2715 } 2716 2717 if (pkt->entry_status != 0 && 2718 pkt->entry_type != IOCTL_IOSB_TYPE_FX00) { 2719 ql_dbg(ql_dbg_async, vha, 0x507f, 2720 "type of error status in response: 0x%x\n", 2721 pkt->entry_status); 2722 qlafx00_error_entry(vha, rsp, 2723 (struct sts_entry_fx00 *)pkt); 2724 continue; 2725 } 2726 2727 switch (pkt->entry_type) { 2728 case STATUS_TYPE_FX00: 2729 qlafx00_status_entry(vha, rsp, pkt); 2730 break; 2731 2732 case STATUS_CONT_TYPE_FX00: 2733 qlafx00_status_cont_entry(rsp, (sts_cont_entry_t *)pkt); 2734 break; 2735 2736 case MULTI_STATUS_TYPE_FX00: 2737 qlafx00_multistatus_entry(vha, rsp, pkt); 2738 break; 2739 2740 case ABORT_IOCB_TYPE_FX00: 2741 qlafx00_abort_iocb_entry(vha, rsp->req, 2742 (struct abort_iocb_entry_fx00 *)pkt); 2743 break; 2744 2745 case IOCTL_IOSB_TYPE_FX00: 2746 qlafx00_ioctl_iosb_entry(vha, rsp->req, 2747 (struct ioctl_iocb_entry_fx00 *)pkt); 2748 break; 2749 default: 2750 /* Type Not Supported. */ 2751 ql_dbg(ql_dbg_async, vha, 0x5081, 2752 "Received unknown response pkt type %x " 2753 "entry status=%x.\n", 2754 pkt->entry_type, pkt->entry_status); 2755 break; 2756 } 2757 } 2758 2759 /* Adjust ring index */ 2760 wrt_reg_dword(rsp->rsp_q_out, rsp->ring_index); 2761 } 2762 2763 /** 2764 * qlafx00_async_event() - Process aynchronous events. 2765 * @vha: SCSI driver HA context 2766 */ 2767 static void 2768 qlafx00_async_event(scsi_qla_host_t *vha) 2769 { 2770 struct qla_hw_data *ha = vha->hw; 2771 struct device_reg_fx00 __iomem *reg; 2772 int data_size = 1; 2773 2774 reg = &ha->iobase->ispfx00; 2775 /* Setup to process RIO completion. */ 2776 switch (ha->aenmb[0]) { 2777 case QLAFX00_MBA_SYSTEM_ERR: /* System Error */ 2778 ql_log(ql_log_warn, vha, 0x5079, 2779 "ISP System Error - mbx1=%x\n", ha->aenmb[0]); 2780 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags); 2781 break; 2782 2783 case QLAFX00_MBA_SHUTDOWN_RQSTD: /* Shutdown requested */ 2784 ql_dbg(ql_dbg_async, vha, 0x5076, 2785 "Asynchronous FW shutdown requested.\n"); 2786 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags); 2787 qla2xxx_wake_dpc(vha); 2788 break; 2789 2790 case QLAFX00_MBA_PORT_UPDATE: /* Port database update */ 2791 ha->aenmb[1] = rd_reg_dword(®->aenmailbox1); 2792 ha->aenmb[2] = rd_reg_dword(®->aenmailbox2); 2793 ha->aenmb[3] = rd_reg_dword(®->aenmailbox3); 2794 ql_dbg(ql_dbg_async, vha, 0x5077, 2795 "Asynchronous port Update received " 2796 "aenmb[0]: %x, aenmb[1]: %x, aenmb[2]: %x, aenmb[3]: %x\n", 2797 ha->aenmb[0], ha->aenmb[1], ha->aenmb[2], ha->aenmb[3]); 2798 data_size = 4; 2799 break; 2800 2801 case QLAFX00_MBA_TEMP_OVER: /* Over temperature event */ 2802 ql_log(ql_log_info, vha, 0x5085, 2803 "Asynchronous over temperature event received " 2804 "aenmb[0]: %x\n", 2805 ha->aenmb[0]); 2806 break; 2807 2808 case QLAFX00_MBA_TEMP_NORM: /* Normal temperature event */ 2809 ql_log(ql_log_info, vha, 0x5086, 2810 "Asynchronous normal temperature event received " 2811 "aenmb[0]: %x\n", 2812 ha->aenmb[0]); 2813 break; 2814 2815 case QLAFX00_MBA_TEMP_CRIT: /* Critical temperature event */ 2816 ql_log(ql_log_info, vha, 0x5083, 2817 "Asynchronous critical temperature event received " 2818 "aenmb[0]: %x\n", 2819 ha->aenmb[0]); 2820 break; 2821 2822 default: 2823 ha->aenmb[1] = rd_reg_dword(®->aenmailbox1); 2824 ha->aenmb[2] = rd_reg_dword(®->aenmailbox2); 2825 ha->aenmb[3] = rd_reg_dword(®->aenmailbox3); 2826 ha->aenmb[4] = rd_reg_dword(®->aenmailbox4); 2827 ha->aenmb[5] = rd_reg_dword(®->aenmailbox5); 2828 ha->aenmb[6] = rd_reg_dword(®->aenmailbox6); 2829 ha->aenmb[7] = rd_reg_dword(®->aenmailbox7); 2830 ql_dbg(ql_dbg_async, vha, 0x5078, 2831 "AEN:%04x %04x %04x %04x :%04x %04x %04x %04x\n", 2832 ha->aenmb[0], ha->aenmb[1], ha->aenmb[2], ha->aenmb[3], 2833 ha->aenmb[4], ha->aenmb[5], ha->aenmb[6], ha->aenmb[7]); 2834 break; 2835 } 2836 qlafx00_post_aenfx_work(vha, ha->aenmb[0], 2837 (uint32_t *)ha->aenmb, data_size); 2838 } 2839 2840 /** 2841 * qlafx00_mbx_completion() - Process mailbox command completions. 2842 * @vha: SCSI driver HA context 2843 * @mb0: value to be written into mailbox register 0 2844 */ 2845 static void 2846 qlafx00_mbx_completion(scsi_qla_host_t *vha, uint32_t mb0) 2847 { 2848 uint16_t cnt; 2849 __le32 __iomem *wptr; 2850 struct qla_hw_data *ha = vha->hw; 2851 struct device_reg_fx00 __iomem *reg = &ha->iobase->ispfx00; 2852 2853 if (!ha->mcp32) 2854 ql_dbg(ql_dbg_async, vha, 0x507e, "MBX pointer ERROR.\n"); 2855 2856 /* Load return mailbox registers. */ 2857 ha->flags.mbox_int = 1; 2858 ha->mailbox_out32[0] = mb0; 2859 wptr = ®->mailbox17; 2860 2861 for (cnt = 1; cnt < ha->mbx_count; cnt++) { 2862 ha->mailbox_out32[cnt] = rd_reg_dword(wptr); 2863 wptr++; 2864 } 2865 } 2866 2867 /** 2868 * qlafx00_intr_handler() - Process interrupts for the ISPFX00. 2869 * @irq: interrupt number 2870 * @dev_id: SCSI driver HA context 2871 * 2872 * Called by system whenever the host adapter generates an interrupt. 2873 * 2874 * Returns handled flag. 2875 */ 2876 irqreturn_t 2877 qlafx00_intr_handler(int irq, void *dev_id) 2878 { 2879 scsi_qla_host_t *vha; 2880 struct qla_hw_data *ha; 2881 struct device_reg_fx00 __iomem *reg; 2882 int status; 2883 unsigned long iter; 2884 uint32_t stat; 2885 uint32_t mb[8]; 2886 struct rsp_que *rsp; 2887 unsigned long flags; 2888 uint32_t clr_intr = 0; 2889 uint32_t intr_stat = 0; 2890 2891 rsp = (struct rsp_que *) dev_id; 2892 if (!rsp) { 2893 ql_log(ql_log_info, NULL, 0x507d, 2894 "%s: NULL response queue pointer.\n", __func__); 2895 return IRQ_NONE; 2896 } 2897 2898 ha = rsp->hw; 2899 reg = &ha->iobase->ispfx00; 2900 status = 0; 2901 2902 if (unlikely(pci_channel_offline(ha->pdev))) 2903 return IRQ_HANDLED; 2904 2905 spin_lock_irqsave(&ha->hardware_lock, flags); 2906 vha = pci_get_drvdata(ha->pdev); 2907 for (iter = 50; iter--; clr_intr = 0) { 2908 stat = QLAFX00_RD_INTR_REG(ha); 2909 if (qla2x00_check_reg32_for_disconnect(vha, stat)) 2910 break; 2911 intr_stat = stat & QLAFX00_HST_INT_STS_BITS; 2912 if (!intr_stat) 2913 break; 2914 2915 if (stat & QLAFX00_INTR_MB_CMPLT) { 2916 mb[0] = rd_reg_dword(®->mailbox16); 2917 qlafx00_mbx_completion(vha, mb[0]); 2918 status |= MBX_INTERRUPT; 2919 clr_intr |= QLAFX00_INTR_MB_CMPLT; 2920 } 2921 if (intr_stat & QLAFX00_INTR_ASYNC_CMPLT) { 2922 ha->aenmb[0] = rd_reg_dword(®->aenmailbox0); 2923 qlafx00_async_event(vha); 2924 clr_intr |= QLAFX00_INTR_ASYNC_CMPLT; 2925 } 2926 if (intr_stat & QLAFX00_INTR_RSP_CMPLT) { 2927 qlafx00_process_response_queue(vha, rsp); 2928 clr_intr |= QLAFX00_INTR_RSP_CMPLT; 2929 } 2930 2931 QLAFX00_CLR_INTR_REG(ha, clr_intr); 2932 QLAFX00_RD_INTR_REG(ha); 2933 } 2934 2935 qla2x00_handle_mbx_completion(ha, status); 2936 spin_unlock_irqrestore(&ha->hardware_lock, flags); 2937 2938 return IRQ_HANDLED; 2939 } 2940 2941 /** QLAFX00 specific IOCB implementation functions */ 2942 2943 static inline cont_a64_entry_t * 2944 qlafx00_prep_cont_type1_iocb(struct req_que *req, 2945 cont_a64_entry_t *lcont_pkt) 2946 { 2947 cont_a64_entry_t *cont_pkt; 2948 2949 /* Adjust ring index. */ 2950 req->ring_index++; 2951 if (req->ring_index == req->length) { 2952 req->ring_index = 0; 2953 req->ring_ptr = req->ring; 2954 } else { 2955 req->ring_ptr++; 2956 } 2957 2958 cont_pkt = (cont_a64_entry_t *)req->ring_ptr; 2959 2960 /* Load packet defaults. */ 2961 lcont_pkt->entry_type = CONTINUE_A64_TYPE_FX00; 2962 2963 return cont_pkt; 2964 } 2965 2966 static inline void 2967 qlafx00_build_scsi_iocbs(srb_t *sp, struct cmd_type_7_fx00 *cmd_pkt, 2968 uint16_t tot_dsds, struct cmd_type_7_fx00 *lcmd_pkt) 2969 { 2970 uint16_t avail_dsds; 2971 struct dsd64 *cur_dsd; 2972 scsi_qla_host_t *vha; 2973 struct scsi_cmnd *cmd; 2974 struct scatterlist *sg; 2975 int i, cont; 2976 struct req_que *req; 2977 cont_a64_entry_t lcont_pkt; 2978 cont_a64_entry_t *cont_pkt; 2979 2980 vha = sp->vha; 2981 req = vha->req; 2982 2983 cmd = GET_CMD_SP(sp); 2984 cont = 0; 2985 cont_pkt = NULL; 2986 2987 /* Update entry type to indicate Command Type 3 IOCB */ 2988 lcmd_pkt->entry_type = FX00_COMMAND_TYPE_7; 2989 2990 /* No data transfer */ 2991 if (!scsi_bufflen(cmd) || cmd->sc_data_direction == DMA_NONE) { 2992 lcmd_pkt->byte_count = cpu_to_le32(0); 2993 return; 2994 } 2995 2996 /* Set transfer direction */ 2997 if (cmd->sc_data_direction == DMA_TO_DEVICE) { 2998 lcmd_pkt->cntrl_flags = TMF_WRITE_DATA; 2999 vha->qla_stats.output_bytes += scsi_bufflen(cmd); 3000 } else if (cmd->sc_data_direction == DMA_FROM_DEVICE) { 3001 lcmd_pkt->cntrl_flags = TMF_READ_DATA; 3002 vha->qla_stats.input_bytes += scsi_bufflen(cmd); 3003 } 3004 3005 /* One DSD is available in the Command Type 3 IOCB */ 3006 avail_dsds = 1; 3007 cur_dsd = &lcmd_pkt->dsd; 3008 3009 /* Load data segments */ 3010 scsi_for_each_sg(cmd, sg, tot_dsds, i) { 3011 /* Allocate additional continuation packets? */ 3012 if (avail_dsds == 0) { 3013 /* 3014 * Five DSDs are available in the Continuation 3015 * Type 1 IOCB. 3016 */ 3017 memset(&lcont_pkt, 0, REQUEST_ENTRY_SIZE); 3018 cont_pkt = 3019 qlafx00_prep_cont_type1_iocb(req, &lcont_pkt); 3020 cur_dsd = lcont_pkt.dsd; 3021 avail_dsds = 5; 3022 cont = 1; 3023 } 3024 3025 append_dsd64(&cur_dsd, sg); 3026 avail_dsds--; 3027 if (avail_dsds == 0 && cont == 1) { 3028 cont = 0; 3029 memcpy_toio((void __iomem *)cont_pkt, &lcont_pkt, 3030 sizeof(lcont_pkt)); 3031 } 3032 3033 } 3034 if (avail_dsds != 0 && cont == 1) { 3035 memcpy_toio((void __iomem *)cont_pkt, &lcont_pkt, 3036 sizeof(lcont_pkt)); 3037 } 3038 } 3039 3040 /** 3041 * qlafx00_start_scsi() - Send a SCSI command to the ISP 3042 * @sp: command to send to the ISP 3043 * 3044 * Returns non-zero if a failure occurred, else zero. 3045 */ 3046 int 3047 qlafx00_start_scsi(srb_t *sp) 3048 { 3049 int nseg; 3050 unsigned long flags; 3051 uint32_t handle; 3052 uint16_t cnt; 3053 uint16_t req_cnt; 3054 uint16_t tot_dsds; 3055 struct req_que *req = NULL; 3056 struct rsp_que *rsp = NULL; 3057 struct scsi_cmnd *cmd = GET_CMD_SP(sp); 3058 struct scsi_qla_host *vha = sp->vha; 3059 struct qla_hw_data *ha = vha->hw; 3060 struct cmd_type_7_fx00 *cmd_pkt; 3061 struct cmd_type_7_fx00 lcmd_pkt; 3062 struct scsi_lun llun; 3063 3064 /* Setup device pointers. */ 3065 rsp = ha->rsp_q_map[0]; 3066 req = vha->req; 3067 3068 /* So we know we haven't pci_map'ed anything yet */ 3069 tot_dsds = 0; 3070 3071 /* Acquire ring specific lock */ 3072 spin_lock_irqsave(&ha->hardware_lock, flags); 3073 3074 handle = qla2xxx_get_next_handle(req); 3075 if (handle == 0) 3076 goto queuing_error; 3077 3078 /* Map the sg table so we have an accurate count of sg entries needed */ 3079 if (scsi_sg_count(cmd)) { 3080 nseg = dma_map_sg(&ha->pdev->dev, scsi_sglist(cmd), 3081 scsi_sg_count(cmd), cmd->sc_data_direction); 3082 if (unlikely(!nseg)) 3083 goto queuing_error; 3084 } else 3085 nseg = 0; 3086 3087 tot_dsds = nseg; 3088 req_cnt = qla24xx_calc_iocbs(vha, tot_dsds); 3089 if (req->cnt < (req_cnt + 2)) { 3090 cnt = rd_reg_dword_relaxed(req->req_q_out); 3091 3092 if (req->ring_index < cnt) 3093 req->cnt = cnt - req->ring_index; 3094 else 3095 req->cnt = req->length - 3096 (req->ring_index - cnt); 3097 if (req->cnt < (req_cnt + 2)) 3098 goto queuing_error; 3099 } 3100 3101 /* Build command packet. */ 3102 req->current_outstanding_cmd = handle; 3103 req->outstanding_cmds[handle] = sp; 3104 sp->handle = handle; 3105 cmd->host_scribble = (unsigned char *)(unsigned long)handle; 3106 req->cnt -= req_cnt; 3107 3108 cmd_pkt = (struct cmd_type_7_fx00 *)req->ring_ptr; 3109 3110 memset(&lcmd_pkt, 0, REQUEST_ENTRY_SIZE); 3111 3112 lcmd_pkt.handle = make_handle(req->id, sp->handle); 3113 lcmd_pkt.reserved_0 = 0; 3114 lcmd_pkt.port_path_ctrl = 0; 3115 lcmd_pkt.reserved_1 = 0; 3116 lcmd_pkt.dseg_count = cpu_to_le16(tot_dsds); 3117 lcmd_pkt.tgt_idx = cpu_to_le16(sp->fcport->tgt_id); 3118 3119 int_to_scsilun(cmd->device->lun, &llun); 3120 host_to_adap((uint8_t *)&llun, (uint8_t *)&lcmd_pkt.lun, 3121 sizeof(lcmd_pkt.lun)); 3122 3123 /* Load SCSI command packet. */ 3124 host_to_adap(cmd->cmnd, lcmd_pkt.fcp_cdb, sizeof(lcmd_pkt.fcp_cdb)); 3125 lcmd_pkt.byte_count = cpu_to_le32((uint32_t)scsi_bufflen(cmd)); 3126 3127 /* Build IOCB segments */ 3128 qlafx00_build_scsi_iocbs(sp, cmd_pkt, tot_dsds, &lcmd_pkt); 3129 3130 /* Set total data segment count. */ 3131 lcmd_pkt.entry_count = (uint8_t)req_cnt; 3132 3133 /* Specify response queue number where completion should happen */ 3134 lcmd_pkt.entry_status = (uint8_t) rsp->id; 3135 3136 ql_dump_buffer(ql_dbg_io + ql_dbg_buffer, vha, 0x302e, 3137 cmd->cmnd, cmd->cmd_len); 3138 ql_dump_buffer(ql_dbg_io + ql_dbg_buffer, vha, 0x3032, 3139 &lcmd_pkt, sizeof(lcmd_pkt)); 3140 3141 memcpy_toio((void __iomem *)cmd_pkt, &lcmd_pkt, REQUEST_ENTRY_SIZE); 3142 wmb(); 3143 3144 /* Adjust ring index. */ 3145 req->ring_index++; 3146 if (req->ring_index == req->length) { 3147 req->ring_index = 0; 3148 req->ring_ptr = req->ring; 3149 } else 3150 req->ring_ptr++; 3151 3152 sp->flags |= SRB_DMA_VALID; 3153 3154 /* Set chip new ring index. */ 3155 wrt_reg_dword(req->req_q_in, req->ring_index); 3156 QLAFX00_SET_HST_INTR(ha, ha->rqstq_intr_code); 3157 3158 spin_unlock_irqrestore(&ha->hardware_lock, flags); 3159 return QLA_SUCCESS; 3160 3161 queuing_error: 3162 if (tot_dsds) 3163 scsi_dma_unmap(cmd); 3164 3165 spin_unlock_irqrestore(&ha->hardware_lock, flags); 3166 3167 return QLA_FUNCTION_FAILED; 3168 } 3169 3170 void 3171 qlafx00_tm_iocb(srb_t *sp, struct tsk_mgmt_entry_fx00 *ptm_iocb) 3172 { 3173 struct srb_iocb *fxio = &sp->u.iocb_cmd; 3174 scsi_qla_host_t *vha = sp->vha; 3175 struct req_que *req = vha->req; 3176 struct tsk_mgmt_entry_fx00 tm_iocb; 3177 struct scsi_lun llun; 3178 3179 memset(&tm_iocb, 0, sizeof(struct tsk_mgmt_entry_fx00)); 3180 tm_iocb.entry_type = TSK_MGMT_IOCB_TYPE_FX00; 3181 tm_iocb.entry_count = 1; 3182 tm_iocb.handle = make_handle(req->id, sp->handle); 3183 tm_iocb.reserved_0 = 0; 3184 tm_iocb.tgt_id = cpu_to_le16(sp->fcport->tgt_id); 3185 tm_iocb.control_flags = cpu_to_le32(fxio->u.tmf.flags); 3186 if (tm_iocb.control_flags == cpu_to_le32((uint32_t)TCF_LUN_RESET)) { 3187 int_to_scsilun(fxio->u.tmf.lun, &llun); 3188 host_to_adap((uint8_t *)&llun, (uint8_t *)&tm_iocb.lun, 3189 sizeof(struct scsi_lun)); 3190 } 3191 3192 memcpy(ptm_iocb, &tm_iocb, 3193 sizeof(struct tsk_mgmt_entry_fx00)); 3194 wmb(); 3195 } 3196 3197 void 3198 qlafx00_abort_iocb(srb_t *sp, struct abort_iocb_entry_fx00 *pabt_iocb) 3199 { 3200 struct srb_iocb *fxio = &sp->u.iocb_cmd; 3201 scsi_qla_host_t *vha = sp->vha; 3202 struct req_que *req = vha->req; 3203 struct abort_iocb_entry_fx00 abt_iocb; 3204 3205 memset(&abt_iocb, 0, sizeof(struct abort_iocb_entry_fx00)); 3206 abt_iocb.entry_type = ABORT_IOCB_TYPE_FX00; 3207 abt_iocb.entry_count = 1; 3208 abt_iocb.handle = make_handle(req->id, sp->handle); 3209 abt_iocb.abort_handle = make_handle(req->id, fxio->u.abt.cmd_hndl); 3210 abt_iocb.tgt_id_sts = cpu_to_le16(sp->fcport->tgt_id); 3211 abt_iocb.req_que_no = cpu_to_le16(req->id); 3212 3213 memcpy(pabt_iocb, &abt_iocb, 3214 sizeof(struct abort_iocb_entry_fx00)); 3215 wmb(); 3216 } 3217 3218 void 3219 qlafx00_fxdisc_iocb(srb_t *sp, struct fxdisc_entry_fx00 *pfxiocb) 3220 { 3221 struct srb_iocb *fxio = &sp->u.iocb_cmd; 3222 struct qla_mt_iocb_rqst_fx00 *piocb_rqst; 3223 struct bsg_job *bsg_job; 3224 struct fc_bsg_request *bsg_request; 3225 struct fxdisc_entry_fx00 fx_iocb; 3226 uint8_t entry_cnt = 1; 3227 3228 memset(&fx_iocb, 0, sizeof(struct fxdisc_entry_fx00)); 3229 fx_iocb.entry_type = FX00_IOCB_TYPE; 3230 fx_iocb.handle = sp->handle; 3231 fx_iocb.entry_count = entry_cnt; 3232 3233 if (sp->type == SRB_FXIOCB_DCMD) { 3234 fx_iocb.func_num = 3235 sp->u.iocb_cmd.u.fxiocb.req_func_type; 3236 fx_iocb.adapid = fxio->u.fxiocb.adapter_id; 3237 fx_iocb.adapid_hi = fxio->u.fxiocb.adapter_id_hi; 3238 fx_iocb.reserved_0 = fxio->u.fxiocb.reserved_0; 3239 fx_iocb.reserved_1 = fxio->u.fxiocb.reserved_1; 3240 fx_iocb.dataword_extra = fxio->u.fxiocb.req_data_extra; 3241 3242 if (fxio->u.fxiocb.flags & SRB_FXDISC_REQ_DMA_VALID) { 3243 fx_iocb.req_dsdcnt = cpu_to_le16(1); 3244 fx_iocb.req_xfrcnt = 3245 cpu_to_le16(fxio->u.fxiocb.req_len); 3246 put_unaligned_le64(fxio->u.fxiocb.req_dma_handle, 3247 &fx_iocb.dseg_rq[0].address); 3248 fx_iocb.dseg_rq[0].length = 3249 cpu_to_le32(fxio->u.fxiocb.req_len); 3250 } 3251 3252 if (fxio->u.fxiocb.flags & SRB_FXDISC_RESP_DMA_VALID) { 3253 fx_iocb.rsp_dsdcnt = cpu_to_le16(1); 3254 fx_iocb.rsp_xfrcnt = 3255 cpu_to_le16(fxio->u.fxiocb.rsp_len); 3256 put_unaligned_le64(fxio->u.fxiocb.rsp_dma_handle, 3257 &fx_iocb.dseg_rsp[0].address); 3258 fx_iocb.dseg_rsp[0].length = 3259 cpu_to_le32(fxio->u.fxiocb.rsp_len); 3260 } 3261 3262 if (fxio->u.fxiocb.flags & SRB_FXDISC_REQ_DWRD_VALID) { 3263 fx_iocb.dataword = fxio->u.fxiocb.req_data; 3264 } 3265 fx_iocb.flags = fxio->u.fxiocb.flags; 3266 } else { 3267 struct scatterlist *sg; 3268 3269 bsg_job = sp->u.bsg_job; 3270 bsg_request = bsg_job->request; 3271 piocb_rqst = (struct qla_mt_iocb_rqst_fx00 *) 3272 &bsg_request->rqst_data.h_vendor.vendor_cmd[1]; 3273 3274 fx_iocb.func_num = piocb_rqst->func_type; 3275 fx_iocb.adapid = piocb_rqst->adapid; 3276 fx_iocb.adapid_hi = piocb_rqst->adapid_hi; 3277 fx_iocb.reserved_0 = piocb_rqst->reserved_0; 3278 fx_iocb.reserved_1 = piocb_rqst->reserved_1; 3279 fx_iocb.dataword_extra = piocb_rqst->dataword_extra; 3280 fx_iocb.dataword = piocb_rqst->dataword; 3281 fx_iocb.req_xfrcnt = piocb_rqst->req_len; 3282 fx_iocb.rsp_xfrcnt = piocb_rqst->rsp_len; 3283 3284 if (piocb_rqst->flags & SRB_FXDISC_REQ_DMA_VALID) { 3285 int avail_dsds, tot_dsds; 3286 cont_a64_entry_t lcont_pkt; 3287 cont_a64_entry_t *cont_pkt = NULL; 3288 struct dsd64 *cur_dsd; 3289 int index = 0, cont = 0; 3290 3291 fx_iocb.req_dsdcnt = 3292 cpu_to_le16(bsg_job->request_payload.sg_cnt); 3293 tot_dsds = 3294 bsg_job->request_payload.sg_cnt; 3295 cur_dsd = &fx_iocb.dseg_rq[0]; 3296 avail_dsds = 1; 3297 for_each_sg(bsg_job->request_payload.sg_list, sg, 3298 tot_dsds, index) { 3299 /* Allocate additional continuation packets? */ 3300 if (avail_dsds == 0) { 3301 /* 3302 * Five DSDs are available in the Cont. 3303 * Type 1 IOCB. 3304 */ 3305 memset(&lcont_pkt, 0, 3306 REQUEST_ENTRY_SIZE); 3307 cont_pkt = 3308 qlafx00_prep_cont_type1_iocb( 3309 sp->vha->req, &lcont_pkt); 3310 cur_dsd = lcont_pkt.dsd; 3311 avail_dsds = 5; 3312 cont = 1; 3313 entry_cnt++; 3314 } 3315 3316 append_dsd64(&cur_dsd, sg); 3317 avail_dsds--; 3318 3319 if (avail_dsds == 0 && cont == 1) { 3320 cont = 0; 3321 memcpy_toio( 3322 (void __iomem *)cont_pkt, 3323 &lcont_pkt, REQUEST_ENTRY_SIZE); 3324 ql_dump_buffer( 3325 ql_dbg_user + ql_dbg_verbose, 3326 sp->vha, 0x3042, 3327 (uint8_t *)&lcont_pkt, 3328 REQUEST_ENTRY_SIZE); 3329 } 3330 } 3331 if (avail_dsds != 0 && cont == 1) { 3332 memcpy_toio((void __iomem *)cont_pkt, 3333 &lcont_pkt, REQUEST_ENTRY_SIZE); 3334 ql_dump_buffer(ql_dbg_user + ql_dbg_verbose, 3335 sp->vha, 0x3043, 3336 (uint8_t *)&lcont_pkt, REQUEST_ENTRY_SIZE); 3337 } 3338 } 3339 3340 if (piocb_rqst->flags & SRB_FXDISC_RESP_DMA_VALID) { 3341 int avail_dsds, tot_dsds; 3342 cont_a64_entry_t lcont_pkt; 3343 cont_a64_entry_t *cont_pkt = NULL; 3344 struct dsd64 *cur_dsd; 3345 int index = 0, cont = 0; 3346 3347 fx_iocb.rsp_dsdcnt = 3348 cpu_to_le16(bsg_job->reply_payload.sg_cnt); 3349 tot_dsds = bsg_job->reply_payload.sg_cnt; 3350 cur_dsd = &fx_iocb.dseg_rsp[0]; 3351 avail_dsds = 1; 3352 3353 for_each_sg(bsg_job->reply_payload.sg_list, sg, 3354 tot_dsds, index) { 3355 /* Allocate additional continuation packets? */ 3356 if (avail_dsds == 0) { 3357 /* 3358 * Five DSDs are available in the Cont. 3359 * Type 1 IOCB. 3360 */ 3361 memset(&lcont_pkt, 0, 3362 REQUEST_ENTRY_SIZE); 3363 cont_pkt = 3364 qlafx00_prep_cont_type1_iocb( 3365 sp->vha->req, &lcont_pkt); 3366 cur_dsd = lcont_pkt.dsd; 3367 avail_dsds = 5; 3368 cont = 1; 3369 entry_cnt++; 3370 } 3371 3372 append_dsd64(&cur_dsd, sg); 3373 avail_dsds--; 3374 3375 if (avail_dsds == 0 && cont == 1) { 3376 cont = 0; 3377 memcpy_toio((void __iomem *)cont_pkt, 3378 &lcont_pkt, 3379 REQUEST_ENTRY_SIZE); 3380 ql_dump_buffer( 3381 ql_dbg_user + ql_dbg_verbose, 3382 sp->vha, 0x3045, 3383 (uint8_t *)&lcont_pkt, 3384 REQUEST_ENTRY_SIZE); 3385 } 3386 } 3387 if (avail_dsds != 0 && cont == 1) { 3388 memcpy_toio((void __iomem *)cont_pkt, 3389 &lcont_pkt, REQUEST_ENTRY_SIZE); 3390 ql_dump_buffer(ql_dbg_user + ql_dbg_verbose, 3391 sp->vha, 0x3046, 3392 (uint8_t *)&lcont_pkt, REQUEST_ENTRY_SIZE); 3393 } 3394 } 3395 3396 if (piocb_rqst->flags & SRB_FXDISC_REQ_DWRD_VALID) 3397 fx_iocb.dataword = piocb_rqst->dataword; 3398 fx_iocb.flags = piocb_rqst->flags; 3399 fx_iocb.entry_count = entry_cnt; 3400 } 3401 3402 ql_dump_buffer(ql_dbg_user + ql_dbg_verbose, 3403 sp->vha, 0x3047, &fx_iocb, sizeof(fx_iocb)); 3404 3405 memcpy_toio((void __iomem *)pfxiocb, &fx_iocb, sizeof(fx_iocb)); 3406 wmb(); 3407 } 3408