1 /* 2 * QLogic Fibre Channel HBA Driver 3 * Copyright (c) 2003-2012 QLogic Corporation 4 * 5 * See LICENSE.qla2xxx for copyright and licensing details. 6 */ 7 #include "qla_def.h" 8 #include "qla_target.h" 9 10 #include <linux/delay.h> 11 #include <linux/slab.h> 12 #include <scsi/scsi_tcq.h> 13 #include <scsi/scsi_bsg_fc.h> 14 #include <scsi/scsi_eh.h> 15 16 static void qla2x00_mbx_completion(scsi_qla_host_t *, uint16_t); 17 static void qla2x00_process_completed_request(struct scsi_qla_host *, 18 struct req_que *, uint32_t); 19 static void qla2x00_status_entry(scsi_qla_host_t *, struct rsp_que *, void *); 20 static void qla2x00_status_cont_entry(struct rsp_que *, sts_cont_entry_t *); 21 static void qla2x00_error_entry(scsi_qla_host_t *, struct rsp_que *, 22 sts_entry_t *); 23 24 /** 25 * qla2100_intr_handler() - Process interrupts for the ISP2100 and ISP2200. 26 * @irq: 27 * @dev_id: SCSI driver HA context 28 * 29 * Called by system whenever the host adapter generates an interrupt. 30 * 31 * Returns handled flag. 32 */ 33 irqreturn_t 34 qla2100_intr_handler(int irq, void *dev_id) 35 { 36 scsi_qla_host_t *vha; 37 struct qla_hw_data *ha; 38 struct device_reg_2xxx __iomem *reg; 39 int status; 40 unsigned long iter; 41 uint16_t hccr; 42 uint16_t mb[4]; 43 struct rsp_que *rsp; 44 unsigned long flags; 45 46 rsp = (struct rsp_que *) dev_id; 47 if (!rsp) { 48 ql_log(ql_log_info, NULL, 0x505d, 49 "%s: NULL response queue pointer.\n", __func__); 50 return (IRQ_NONE); 51 } 52 53 ha = rsp->hw; 54 reg = &ha->iobase->isp; 55 status = 0; 56 57 spin_lock_irqsave(&ha->hardware_lock, flags); 58 vha = pci_get_drvdata(ha->pdev); 59 for (iter = 50; iter--; ) { 60 hccr = RD_REG_WORD(®->hccr); 61 if (hccr & HCCR_RISC_PAUSE) { 62 if (pci_channel_offline(ha->pdev)) 63 break; 64 65 /* 66 * Issue a "HARD" reset in order for the RISC interrupt 67 * bit to be cleared. Schedule a big hammer to get 68 * out of the RISC PAUSED state. 69 */ 70 WRT_REG_WORD(®->hccr, HCCR_RESET_RISC); 71 RD_REG_WORD(®->hccr); 72 73 ha->isp_ops->fw_dump(vha, 1); 74 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags); 75 break; 76 } else if ((RD_REG_WORD(®->istatus) & ISR_RISC_INT) == 0) 77 break; 78 79 if (RD_REG_WORD(®->semaphore) & BIT_0) { 80 WRT_REG_WORD(®->hccr, HCCR_CLR_RISC_INT); 81 RD_REG_WORD(®->hccr); 82 83 /* Get mailbox data. */ 84 mb[0] = RD_MAILBOX_REG(ha, reg, 0); 85 if (mb[0] > 0x3fff && mb[0] < 0x8000) { 86 qla2x00_mbx_completion(vha, mb[0]); 87 status |= MBX_INTERRUPT; 88 } else if (mb[0] > 0x7fff && mb[0] < 0xc000) { 89 mb[1] = RD_MAILBOX_REG(ha, reg, 1); 90 mb[2] = RD_MAILBOX_REG(ha, reg, 2); 91 mb[3] = RD_MAILBOX_REG(ha, reg, 3); 92 qla2x00_async_event(vha, rsp, mb); 93 } else { 94 /*EMPTY*/ 95 ql_dbg(ql_dbg_async, vha, 0x5025, 96 "Unrecognized interrupt type (%d).\n", 97 mb[0]); 98 } 99 /* Release mailbox registers. */ 100 WRT_REG_WORD(®->semaphore, 0); 101 RD_REG_WORD(®->semaphore); 102 } else { 103 qla2x00_process_response_queue(rsp); 104 105 WRT_REG_WORD(®->hccr, HCCR_CLR_RISC_INT); 106 RD_REG_WORD(®->hccr); 107 } 108 } 109 spin_unlock_irqrestore(&ha->hardware_lock, flags); 110 111 if (test_bit(MBX_INTR_WAIT, &ha->mbx_cmd_flags) && 112 (status & MBX_INTERRUPT) && ha->flags.mbox_int) { 113 set_bit(MBX_INTERRUPT, &ha->mbx_cmd_flags); 114 complete(&ha->mbx_intr_comp); 115 } 116 117 return (IRQ_HANDLED); 118 } 119 120 /** 121 * qla2300_intr_handler() - Process interrupts for the ISP23xx and ISP63xx. 122 * @irq: 123 * @dev_id: SCSI driver HA context 124 * 125 * Called by system whenever the host adapter generates an interrupt. 126 * 127 * Returns handled flag. 128 */ 129 irqreturn_t 130 qla2300_intr_handler(int irq, void *dev_id) 131 { 132 scsi_qla_host_t *vha; 133 struct device_reg_2xxx __iomem *reg; 134 int status; 135 unsigned long iter; 136 uint32_t stat; 137 uint16_t hccr; 138 uint16_t mb[4]; 139 struct rsp_que *rsp; 140 struct qla_hw_data *ha; 141 unsigned long flags; 142 143 rsp = (struct rsp_que *) dev_id; 144 if (!rsp) { 145 ql_log(ql_log_info, NULL, 0x5058, 146 "%s: NULL response queue pointer.\n", __func__); 147 return (IRQ_NONE); 148 } 149 150 ha = rsp->hw; 151 reg = &ha->iobase->isp; 152 status = 0; 153 154 spin_lock_irqsave(&ha->hardware_lock, flags); 155 vha = pci_get_drvdata(ha->pdev); 156 for (iter = 50; iter--; ) { 157 stat = RD_REG_DWORD(®->u.isp2300.host_status); 158 if (stat & HSR_RISC_PAUSED) { 159 if (unlikely(pci_channel_offline(ha->pdev))) 160 break; 161 162 hccr = RD_REG_WORD(®->hccr); 163 if (hccr & (BIT_15 | BIT_13 | BIT_11 | BIT_8)) 164 ql_log(ql_log_warn, vha, 0x5026, 165 "Parity error -- HCCR=%x, Dumping " 166 "firmware.\n", hccr); 167 else 168 ql_log(ql_log_warn, vha, 0x5027, 169 "RISC paused -- HCCR=%x, Dumping " 170 "firmware.\n", hccr); 171 172 /* 173 * Issue a "HARD" reset in order for the RISC 174 * interrupt bit to be cleared. Schedule a big 175 * hammer to get out of the RISC PAUSED state. 176 */ 177 WRT_REG_WORD(®->hccr, HCCR_RESET_RISC); 178 RD_REG_WORD(®->hccr); 179 180 ha->isp_ops->fw_dump(vha, 1); 181 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags); 182 break; 183 } else if ((stat & HSR_RISC_INT) == 0) 184 break; 185 186 switch (stat & 0xff) { 187 case 0x1: 188 case 0x2: 189 case 0x10: 190 case 0x11: 191 qla2x00_mbx_completion(vha, MSW(stat)); 192 status |= MBX_INTERRUPT; 193 194 /* Release mailbox registers. */ 195 WRT_REG_WORD(®->semaphore, 0); 196 break; 197 case 0x12: 198 mb[0] = MSW(stat); 199 mb[1] = RD_MAILBOX_REG(ha, reg, 1); 200 mb[2] = RD_MAILBOX_REG(ha, reg, 2); 201 mb[3] = RD_MAILBOX_REG(ha, reg, 3); 202 qla2x00_async_event(vha, rsp, mb); 203 break; 204 case 0x13: 205 qla2x00_process_response_queue(rsp); 206 break; 207 case 0x15: 208 mb[0] = MBA_CMPLT_1_16BIT; 209 mb[1] = MSW(stat); 210 qla2x00_async_event(vha, rsp, mb); 211 break; 212 case 0x16: 213 mb[0] = MBA_SCSI_COMPLETION; 214 mb[1] = MSW(stat); 215 mb[2] = RD_MAILBOX_REG(ha, reg, 2); 216 qla2x00_async_event(vha, rsp, mb); 217 break; 218 default: 219 ql_dbg(ql_dbg_async, vha, 0x5028, 220 "Unrecognized interrupt type (%d).\n", stat & 0xff); 221 break; 222 } 223 WRT_REG_WORD(®->hccr, HCCR_CLR_RISC_INT); 224 RD_REG_WORD_RELAXED(®->hccr); 225 } 226 spin_unlock_irqrestore(&ha->hardware_lock, flags); 227 228 if (test_bit(MBX_INTR_WAIT, &ha->mbx_cmd_flags) && 229 (status & MBX_INTERRUPT) && ha->flags.mbox_int) { 230 set_bit(MBX_INTERRUPT, &ha->mbx_cmd_flags); 231 complete(&ha->mbx_intr_comp); 232 } 233 234 return (IRQ_HANDLED); 235 } 236 237 /** 238 * qla2x00_mbx_completion() - Process mailbox command completions. 239 * @ha: SCSI driver HA context 240 * @mb0: Mailbox0 register 241 */ 242 static void 243 qla2x00_mbx_completion(scsi_qla_host_t *vha, uint16_t mb0) 244 { 245 uint16_t cnt; 246 uint32_t mboxes; 247 uint16_t __iomem *wptr; 248 struct qla_hw_data *ha = vha->hw; 249 struct device_reg_2xxx __iomem *reg = &ha->iobase->isp; 250 251 /* Read all mbox registers? */ 252 mboxes = (1 << ha->mbx_count) - 1; 253 if (!ha->mcp) 254 ql_dbg(ql_dbg_async, vha, 0x5001, "MBX pointer ERRROR.\n"); 255 else 256 mboxes = ha->mcp->in_mb; 257 258 /* Load return mailbox registers. */ 259 ha->flags.mbox_int = 1; 260 ha->mailbox_out[0] = mb0; 261 mboxes >>= 1; 262 wptr = (uint16_t __iomem *)MAILBOX_REG(ha, reg, 1); 263 264 for (cnt = 1; cnt < ha->mbx_count; cnt++) { 265 if (IS_QLA2200(ha) && cnt == 8) 266 wptr = (uint16_t __iomem *)MAILBOX_REG(ha, reg, 8); 267 if ((cnt == 4 || cnt == 5) && (mboxes & BIT_0)) 268 ha->mailbox_out[cnt] = qla2x00_debounce_register(wptr); 269 else if (mboxes & BIT_0) 270 ha->mailbox_out[cnt] = RD_REG_WORD(wptr); 271 272 wptr++; 273 mboxes >>= 1; 274 } 275 } 276 277 static void 278 qla81xx_idc_event(scsi_qla_host_t *vha, uint16_t aen, uint16_t descr) 279 { 280 static char *event[] = 281 { "Complete", "Request Notification", "Time Extension" }; 282 int rval; 283 struct device_reg_24xx __iomem *reg24 = &vha->hw->iobase->isp24; 284 uint16_t __iomem *wptr; 285 uint16_t cnt, timeout, mb[QLA_IDC_ACK_REGS]; 286 287 /* Seed data -- mailbox1 -> mailbox7. */ 288 wptr = (uint16_t __iomem *)®24->mailbox1; 289 for (cnt = 0; cnt < QLA_IDC_ACK_REGS; cnt++, wptr++) 290 mb[cnt] = RD_REG_WORD(wptr); 291 292 ql_dbg(ql_dbg_async, vha, 0x5021, 293 "Inter-Driver Communication %s -- " 294 "%04x %04x %04x %04x %04x %04x %04x.\n", 295 event[aen & 0xff], mb[0], mb[1], mb[2], mb[3], 296 mb[4], mb[5], mb[6]); 297 if ((aen == MBA_IDC_COMPLETE && mb[1] >> 15)) { 298 vha->hw->flags.idc_compl_status = 1; 299 if (vha->hw->notify_dcbx_comp) 300 complete(&vha->hw->dcbx_comp); 301 } 302 303 /* Acknowledgement needed? [Notify && non-zero timeout]. */ 304 timeout = (descr >> 8) & 0xf; 305 if (aen != MBA_IDC_NOTIFY || !timeout) 306 return; 307 308 ql_dbg(ql_dbg_async, vha, 0x5022, 309 "%lu Inter-Driver Communication %s -- ACK timeout=%d.\n", 310 vha->host_no, event[aen & 0xff], timeout); 311 312 rval = qla2x00_post_idc_ack_work(vha, mb); 313 if (rval != QLA_SUCCESS) 314 ql_log(ql_log_warn, vha, 0x5023, 315 "IDC failed to post ACK.\n"); 316 } 317 318 #define LS_UNKNOWN 2 319 char * 320 qla2x00_get_link_speed_str(struct qla_hw_data *ha) 321 { 322 static char *link_speeds[] = {"1", "2", "?", "4", "8", "16", "10"}; 323 char *link_speed; 324 int fw_speed = ha->link_data_rate; 325 326 if (IS_QLA2100(ha) || IS_QLA2200(ha)) 327 link_speed = link_speeds[0]; 328 else if (fw_speed == 0x13) 329 link_speed = link_speeds[6]; 330 else { 331 link_speed = link_speeds[LS_UNKNOWN]; 332 if (fw_speed < 6) 333 link_speed = 334 link_speeds[fw_speed]; 335 } 336 337 return link_speed; 338 } 339 340 void 341 qla83xx_handle_8200_aen(scsi_qla_host_t *vha, uint16_t *mb) 342 { 343 struct qla_hw_data *ha = vha->hw; 344 345 /* 346 * 8200 AEN Interpretation: 347 * mb[0] = AEN code 348 * mb[1] = AEN Reason code 349 * mb[2] = LSW of Peg-Halt Status-1 Register 350 * mb[6] = MSW of Peg-Halt Status-1 Register 351 * mb[3] = LSW of Peg-Halt Status-2 register 352 * mb[7] = MSW of Peg-Halt Status-2 register 353 * mb[4] = IDC Device-State Register value 354 * mb[5] = IDC Driver-Presence Register value 355 */ 356 ql_dbg(ql_dbg_async, vha, 0x506b, "AEN Code: mb[0] = 0x%x AEN reason: " 357 "mb[1] = 0x%x PH-status1: mb[2] = 0x%x PH-status1: mb[6] = 0x%x.\n", 358 mb[0], mb[1], mb[2], mb[6]); 359 ql_dbg(ql_dbg_async, vha, 0x506c, "PH-status2: mb[3] = 0x%x " 360 "PH-status2: mb[7] = 0x%x Device-State: mb[4] = 0x%x " 361 "Drv-Presence: mb[5] = 0x%x.\n", mb[3], mb[7], mb[4], mb[5]); 362 363 if (mb[1] & (IDC_PEG_HALT_STATUS_CHANGE | IDC_NIC_FW_REPORTED_FAILURE | 364 IDC_HEARTBEAT_FAILURE)) { 365 ha->flags.nic_core_hung = 1; 366 ql_log(ql_log_warn, vha, 0x5060, 367 "83XX: F/W Error Reported: Check if reset required.\n"); 368 369 if (mb[1] & IDC_PEG_HALT_STATUS_CHANGE) { 370 uint32_t protocol_engine_id, fw_err_code, err_level; 371 372 /* 373 * IDC_PEG_HALT_STATUS_CHANGE interpretation: 374 * - PEG-Halt Status-1 Register: 375 * (LSW = mb[2], MSW = mb[6]) 376 * Bits 0-7 = protocol-engine ID 377 * Bits 8-28 = f/w error code 378 * Bits 29-31 = Error-level 379 * Error-level 0x1 = Non-Fatal error 380 * Error-level 0x2 = Recoverable Fatal error 381 * Error-level 0x4 = UnRecoverable Fatal error 382 * - PEG-Halt Status-2 Register: 383 * (LSW = mb[3], MSW = mb[7]) 384 */ 385 protocol_engine_id = (mb[2] & 0xff); 386 fw_err_code = (((mb[2] & 0xff00) >> 8) | 387 ((mb[6] & 0x1fff) << 8)); 388 err_level = ((mb[6] & 0xe000) >> 13); 389 ql_log(ql_log_warn, vha, 0x5061, "PegHalt Status-1 " 390 "Register: protocol_engine_id=0x%x " 391 "fw_err_code=0x%x err_level=0x%x.\n", 392 protocol_engine_id, fw_err_code, err_level); 393 ql_log(ql_log_warn, vha, 0x5062, "PegHalt Status-2 " 394 "Register: 0x%x%x.\n", mb[7], mb[3]); 395 if (err_level == ERR_LEVEL_NON_FATAL) { 396 ql_log(ql_log_warn, vha, 0x5063, 397 "Not a fatal error, f/w has recovered " 398 "iteself.\n"); 399 } else if (err_level == ERR_LEVEL_RECOVERABLE_FATAL) { 400 ql_log(ql_log_fatal, vha, 0x5064, 401 "Recoverable Fatal error: Chip reset " 402 "required.\n"); 403 qla83xx_schedule_work(vha, 404 QLA83XX_NIC_CORE_RESET); 405 } else if (err_level == ERR_LEVEL_UNRECOVERABLE_FATAL) { 406 ql_log(ql_log_fatal, vha, 0x5065, 407 "Unrecoverable Fatal error: Set FAILED " 408 "state, reboot required.\n"); 409 qla83xx_schedule_work(vha, 410 QLA83XX_NIC_CORE_UNRECOVERABLE); 411 } 412 } 413 414 if (mb[1] & IDC_NIC_FW_REPORTED_FAILURE) { 415 uint16_t peg_fw_state, nw_interface_link_up; 416 uint16_t nw_interface_signal_detect, sfp_status; 417 uint16_t htbt_counter, htbt_monitor_enable; 418 uint16_t sfp_additonal_info, sfp_multirate; 419 uint16_t sfp_tx_fault, link_speed, dcbx_status; 420 421 /* 422 * IDC_NIC_FW_REPORTED_FAILURE interpretation: 423 * - PEG-to-FC Status Register: 424 * (LSW = mb[2], MSW = mb[6]) 425 * Bits 0-7 = Peg-Firmware state 426 * Bit 8 = N/W Interface Link-up 427 * Bit 9 = N/W Interface signal detected 428 * Bits 10-11 = SFP Status 429 * SFP Status 0x0 = SFP+ transceiver not expected 430 * SFP Status 0x1 = SFP+ transceiver not present 431 * SFP Status 0x2 = SFP+ transceiver invalid 432 * SFP Status 0x3 = SFP+ transceiver present and 433 * valid 434 * Bits 12-14 = Heartbeat Counter 435 * Bit 15 = Heartbeat Monitor Enable 436 * Bits 16-17 = SFP Additional Info 437 * SFP info 0x0 = Unregocnized transceiver for 438 * Ethernet 439 * SFP info 0x1 = SFP+ brand validation failed 440 * SFP info 0x2 = SFP+ speed validation failed 441 * SFP info 0x3 = SFP+ access error 442 * Bit 18 = SFP Multirate 443 * Bit 19 = SFP Tx Fault 444 * Bits 20-22 = Link Speed 445 * Bits 23-27 = Reserved 446 * Bits 28-30 = DCBX Status 447 * DCBX Status 0x0 = DCBX Disabled 448 * DCBX Status 0x1 = DCBX Enabled 449 * DCBX Status 0x2 = DCBX Exchange error 450 * Bit 31 = Reserved 451 */ 452 peg_fw_state = (mb[2] & 0x00ff); 453 nw_interface_link_up = ((mb[2] & 0x0100) >> 8); 454 nw_interface_signal_detect = ((mb[2] & 0x0200) >> 9); 455 sfp_status = ((mb[2] & 0x0c00) >> 10); 456 htbt_counter = ((mb[2] & 0x7000) >> 12); 457 htbt_monitor_enable = ((mb[2] & 0x8000) >> 15); 458 sfp_additonal_info = (mb[6] & 0x0003); 459 sfp_multirate = ((mb[6] & 0x0004) >> 2); 460 sfp_tx_fault = ((mb[6] & 0x0008) >> 3); 461 link_speed = ((mb[6] & 0x0070) >> 4); 462 dcbx_status = ((mb[6] & 0x7000) >> 12); 463 464 ql_log(ql_log_warn, vha, 0x5066, 465 "Peg-to-Fc Status Register:\n" 466 "peg_fw_state=0x%x, nw_interface_link_up=0x%x, " 467 "nw_interface_signal_detect=0x%x" 468 "\nsfp_statis=0x%x.\n ", peg_fw_state, 469 nw_interface_link_up, nw_interface_signal_detect, 470 sfp_status); 471 ql_log(ql_log_warn, vha, 0x5067, 472 "htbt_counter=0x%x, htbt_monitor_enable=0x%x, " 473 "sfp_additonal_info=0x%x, sfp_multirate=0x%x.\n ", 474 htbt_counter, htbt_monitor_enable, 475 sfp_additonal_info, sfp_multirate); 476 ql_log(ql_log_warn, vha, 0x5068, 477 "sfp_tx_fault=0x%x, link_state=0x%x, " 478 "dcbx_status=0x%x.\n", sfp_tx_fault, link_speed, 479 dcbx_status); 480 481 qla83xx_schedule_work(vha, QLA83XX_NIC_CORE_RESET); 482 } 483 484 if (mb[1] & IDC_HEARTBEAT_FAILURE) { 485 ql_log(ql_log_warn, vha, 0x5069, 486 "Heartbeat Failure encountered, chip reset " 487 "required.\n"); 488 489 qla83xx_schedule_work(vha, QLA83XX_NIC_CORE_RESET); 490 } 491 } 492 493 if (mb[1] & IDC_DEVICE_STATE_CHANGE) { 494 ql_log(ql_log_info, vha, 0x506a, 495 "IDC Device-State changed = 0x%x.\n", mb[4]); 496 qla83xx_schedule_work(vha, MBA_IDC_AEN); 497 } 498 } 499 500 /** 501 * qla2x00_async_event() - Process aynchronous events. 502 * @ha: SCSI driver HA context 503 * @mb: Mailbox registers (0 - 3) 504 */ 505 void 506 qla2x00_async_event(scsi_qla_host_t *vha, struct rsp_que *rsp, uint16_t *mb) 507 { 508 uint16_t handle_cnt; 509 uint16_t cnt, mbx; 510 uint32_t handles[5]; 511 struct qla_hw_data *ha = vha->hw; 512 struct device_reg_2xxx __iomem *reg = &ha->iobase->isp; 513 struct device_reg_24xx __iomem *reg24 = &ha->iobase->isp24; 514 struct device_reg_82xx __iomem *reg82 = &ha->iobase->isp82; 515 uint32_t rscn_entry, host_pid; 516 unsigned long flags; 517 518 /* Setup to process RIO completion. */ 519 handle_cnt = 0; 520 if (IS_CNA_CAPABLE(ha)) 521 goto skip_rio; 522 switch (mb[0]) { 523 case MBA_SCSI_COMPLETION: 524 handles[0] = le32_to_cpu((uint32_t)((mb[2] << 16) | mb[1])); 525 handle_cnt = 1; 526 break; 527 case MBA_CMPLT_1_16BIT: 528 handles[0] = mb[1]; 529 handle_cnt = 1; 530 mb[0] = MBA_SCSI_COMPLETION; 531 break; 532 case MBA_CMPLT_2_16BIT: 533 handles[0] = mb[1]; 534 handles[1] = mb[2]; 535 handle_cnt = 2; 536 mb[0] = MBA_SCSI_COMPLETION; 537 break; 538 case MBA_CMPLT_3_16BIT: 539 handles[0] = mb[1]; 540 handles[1] = mb[2]; 541 handles[2] = mb[3]; 542 handle_cnt = 3; 543 mb[0] = MBA_SCSI_COMPLETION; 544 break; 545 case MBA_CMPLT_4_16BIT: 546 handles[0] = mb[1]; 547 handles[1] = mb[2]; 548 handles[2] = mb[3]; 549 handles[3] = (uint32_t)RD_MAILBOX_REG(ha, reg, 6); 550 handle_cnt = 4; 551 mb[0] = MBA_SCSI_COMPLETION; 552 break; 553 case MBA_CMPLT_5_16BIT: 554 handles[0] = mb[1]; 555 handles[1] = mb[2]; 556 handles[2] = mb[3]; 557 handles[3] = (uint32_t)RD_MAILBOX_REG(ha, reg, 6); 558 handles[4] = (uint32_t)RD_MAILBOX_REG(ha, reg, 7); 559 handle_cnt = 5; 560 mb[0] = MBA_SCSI_COMPLETION; 561 break; 562 case MBA_CMPLT_2_32BIT: 563 handles[0] = le32_to_cpu((uint32_t)((mb[2] << 16) | mb[1])); 564 handles[1] = le32_to_cpu( 565 ((uint32_t)(RD_MAILBOX_REG(ha, reg, 7) << 16)) | 566 RD_MAILBOX_REG(ha, reg, 6)); 567 handle_cnt = 2; 568 mb[0] = MBA_SCSI_COMPLETION; 569 break; 570 default: 571 break; 572 } 573 skip_rio: 574 switch (mb[0]) { 575 case MBA_SCSI_COMPLETION: /* Fast Post */ 576 if (!vha->flags.online) 577 break; 578 579 for (cnt = 0; cnt < handle_cnt; cnt++) 580 qla2x00_process_completed_request(vha, rsp->req, 581 handles[cnt]); 582 break; 583 584 case MBA_RESET: /* Reset */ 585 ql_dbg(ql_dbg_async, vha, 0x5002, 586 "Asynchronous RESET.\n"); 587 588 set_bit(RESET_MARKER_NEEDED, &vha->dpc_flags); 589 break; 590 591 case MBA_SYSTEM_ERR: /* System Error */ 592 mbx = (IS_QLA81XX(ha) || IS_QLA83XX(ha)) ? 593 RD_REG_WORD(®24->mailbox7) : 0; 594 ql_log(ql_log_warn, vha, 0x5003, 595 "ISP System Error - mbx1=%xh mbx2=%xh mbx3=%xh " 596 "mbx7=%xh.\n", mb[1], mb[2], mb[3], mbx); 597 598 ha->isp_ops->fw_dump(vha, 1); 599 600 if (IS_FWI2_CAPABLE(ha)) { 601 if (mb[1] == 0 && mb[2] == 0) { 602 ql_log(ql_log_fatal, vha, 0x5004, 603 "Unrecoverable Hardware Error: adapter " 604 "marked OFFLINE!\n"); 605 vha->flags.online = 0; 606 vha->device_flags |= DFLG_DEV_FAILED; 607 } else { 608 /* Check to see if MPI timeout occurred */ 609 if ((mbx & MBX_3) && (ha->flags.port0)) 610 set_bit(MPI_RESET_NEEDED, 611 &vha->dpc_flags); 612 613 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags); 614 } 615 } else if (mb[1] == 0) { 616 ql_log(ql_log_fatal, vha, 0x5005, 617 "Unrecoverable Hardware Error: adapter marked " 618 "OFFLINE!\n"); 619 vha->flags.online = 0; 620 vha->device_flags |= DFLG_DEV_FAILED; 621 } else 622 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags); 623 break; 624 625 case MBA_REQ_TRANSFER_ERR: /* Request Transfer Error */ 626 ql_log(ql_log_warn, vha, 0x5006, 627 "ISP Request Transfer Error (%x).\n", mb[1]); 628 629 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags); 630 break; 631 632 case MBA_RSP_TRANSFER_ERR: /* Response Transfer Error */ 633 ql_log(ql_log_warn, vha, 0x5007, 634 "ISP Response Transfer Error.\n"); 635 636 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags); 637 break; 638 639 case MBA_WAKEUP_THRES: /* Request Queue Wake-up */ 640 ql_dbg(ql_dbg_async, vha, 0x5008, 641 "Asynchronous WAKEUP_THRES.\n"); 642 643 break; 644 case MBA_LIP_OCCURRED: /* Loop Initialization Procedure */ 645 ql_dbg(ql_dbg_async, vha, 0x5009, 646 "LIP occurred (%x).\n", mb[1]); 647 648 if (atomic_read(&vha->loop_state) != LOOP_DOWN) { 649 atomic_set(&vha->loop_state, LOOP_DOWN); 650 atomic_set(&vha->loop_down_timer, LOOP_DOWN_TIME); 651 qla2x00_mark_all_devices_lost(vha, 1); 652 } 653 654 if (vha->vp_idx) { 655 atomic_set(&vha->vp_state, VP_FAILED); 656 fc_vport_set_state(vha->fc_vport, FC_VPORT_FAILED); 657 } 658 659 set_bit(REGISTER_FC4_NEEDED, &vha->dpc_flags); 660 set_bit(REGISTER_FDMI_NEEDED, &vha->dpc_flags); 661 662 vha->flags.management_server_logged_in = 0; 663 qla2x00_post_aen_work(vha, FCH_EVT_LIP, mb[1]); 664 break; 665 666 case MBA_LOOP_UP: /* Loop Up Event */ 667 if (IS_QLA2100(ha) || IS_QLA2200(ha)) 668 ha->link_data_rate = PORT_SPEED_1GB; 669 else 670 ha->link_data_rate = mb[1]; 671 672 ql_dbg(ql_dbg_async, vha, 0x500a, 673 "LOOP UP detected (%s Gbps).\n", 674 qla2x00_get_link_speed_str(ha)); 675 676 vha->flags.management_server_logged_in = 0; 677 qla2x00_post_aen_work(vha, FCH_EVT_LINKUP, ha->link_data_rate); 678 break; 679 680 case MBA_LOOP_DOWN: /* Loop Down Event */ 681 mbx = (IS_QLA81XX(ha) || IS_QLA8031(ha)) 682 ? RD_REG_WORD(®24->mailbox4) : 0; 683 mbx = IS_QLA82XX(ha) ? RD_REG_WORD(®82->mailbox_out[4]) : mbx; 684 ql_dbg(ql_dbg_async, vha, 0x500b, 685 "LOOP DOWN detected (%x %x %x %x).\n", 686 mb[1], mb[2], mb[3], mbx); 687 688 if (atomic_read(&vha->loop_state) != LOOP_DOWN) { 689 atomic_set(&vha->loop_state, LOOP_DOWN); 690 atomic_set(&vha->loop_down_timer, LOOP_DOWN_TIME); 691 vha->device_flags |= DFLG_NO_CABLE; 692 qla2x00_mark_all_devices_lost(vha, 1); 693 } 694 695 if (vha->vp_idx) { 696 atomic_set(&vha->vp_state, VP_FAILED); 697 fc_vport_set_state(vha->fc_vport, FC_VPORT_FAILED); 698 } 699 700 vha->flags.management_server_logged_in = 0; 701 ha->link_data_rate = PORT_SPEED_UNKNOWN; 702 qla2x00_post_aen_work(vha, FCH_EVT_LINKDOWN, 0); 703 break; 704 705 case MBA_LIP_RESET: /* LIP reset occurred */ 706 ql_dbg(ql_dbg_async, vha, 0x500c, 707 "LIP reset occurred (%x).\n", mb[1]); 708 709 if (atomic_read(&vha->loop_state) != LOOP_DOWN) { 710 atomic_set(&vha->loop_state, LOOP_DOWN); 711 atomic_set(&vha->loop_down_timer, LOOP_DOWN_TIME); 712 qla2x00_mark_all_devices_lost(vha, 1); 713 } 714 715 if (vha->vp_idx) { 716 atomic_set(&vha->vp_state, VP_FAILED); 717 fc_vport_set_state(vha->fc_vport, FC_VPORT_FAILED); 718 } 719 720 set_bit(RESET_MARKER_NEEDED, &vha->dpc_flags); 721 722 ha->operating_mode = LOOP; 723 vha->flags.management_server_logged_in = 0; 724 qla2x00_post_aen_work(vha, FCH_EVT_LIPRESET, mb[1]); 725 break; 726 727 /* case MBA_DCBX_COMPLETE: */ 728 case MBA_POINT_TO_POINT: /* Point-to-Point */ 729 if (IS_QLA2100(ha)) 730 break; 731 732 if (IS_QLA81XX(ha) || IS_QLA82XX(ha) || IS_QLA8031(ha)) { 733 ql_dbg(ql_dbg_async, vha, 0x500d, 734 "DCBX Completed -- %04x %04x %04x.\n", 735 mb[1], mb[2], mb[3]); 736 if (ha->notify_dcbx_comp) 737 complete(&ha->dcbx_comp); 738 739 } else 740 ql_dbg(ql_dbg_async, vha, 0x500e, 741 "Asynchronous P2P MODE received.\n"); 742 743 /* 744 * Until there's a transition from loop down to loop up, treat 745 * this as loop down only. 746 */ 747 if (atomic_read(&vha->loop_state) != LOOP_DOWN) { 748 atomic_set(&vha->loop_state, LOOP_DOWN); 749 if (!atomic_read(&vha->loop_down_timer)) 750 atomic_set(&vha->loop_down_timer, 751 LOOP_DOWN_TIME); 752 qla2x00_mark_all_devices_lost(vha, 1); 753 } 754 755 if (vha->vp_idx) { 756 atomic_set(&vha->vp_state, VP_FAILED); 757 fc_vport_set_state(vha->fc_vport, FC_VPORT_FAILED); 758 } 759 760 if (!(test_bit(ABORT_ISP_ACTIVE, &vha->dpc_flags))) 761 set_bit(RESET_MARKER_NEEDED, &vha->dpc_flags); 762 763 set_bit(REGISTER_FC4_NEEDED, &vha->dpc_flags); 764 set_bit(REGISTER_FDMI_NEEDED, &vha->dpc_flags); 765 766 ha->flags.gpsc_supported = 1; 767 vha->flags.management_server_logged_in = 0; 768 break; 769 770 case MBA_CHG_IN_CONNECTION: /* Change in connection mode */ 771 if (IS_QLA2100(ha)) 772 break; 773 774 ql_dbg(ql_dbg_async, vha, 0x500f, 775 "Configuration change detected: value=%x.\n", mb[1]); 776 777 if (atomic_read(&vha->loop_state) != LOOP_DOWN) { 778 atomic_set(&vha->loop_state, LOOP_DOWN); 779 if (!atomic_read(&vha->loop_down_timer)) 780 atomic_set(&vha->loop_down_timer, 781 LOOP_DOWN_TIME); 782 qla2x00_mark_all_devices_lost(vha, 1); 783 } 784 785 if (vha->vp_idx) { 786 atomic_set(&vha->vp_state, VP_FAILED); 787 fc_vport_set_state(vha->fc_vport, FC_VPORT_FAILED); 788 } 789 790 set_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags); 791 set_bit(LOCAL_LOOP_UPDATE, &vha->dpc_flags); 792 break; 793 794 case MBA_PORT_UPDATE: /* Port database update */ 795 /* 796 * Handle only global and vn-port update events 797 * 798 * Relevant inputs: 799 * mb[1] = N_Port handle of changed port 800 * OR 0xffff for global event 801 * mb[2] = New login state 802 * 7 = Port logged out 803 * mb[3] = LSB is vp_idx, 0xff = all vps 804 * 805 * Skip processing if: 806 * Event is global, vp_idx is NOT all vps, 807 * vp_idx does not match 808 * Event is not global, vp_idx does not match 809 */ 810 if (IS_QLA2XXX_MIDTYPE(ha) && 811 ((mb[1] == 0xffff && (mb[3] & 0xff) != 0xff) || 812 (mb[1] != 0xffff)) && vha->vp_idx != (mb[3] & 0xff)) 813 break; 814 815 /* Global event -- port logout or port unavailable. */ 816 if (mb[1] == 0xffff && mb[2] == 0x7) { 817 ql_dbg(ql_dbg_async, vha, 0x5010, 818 "Port unavailable %04x %04x %04x.\n", 819 mb[1], mb[2], mb[3]); 820 ql_log(ql_log_warn, vha, 0x505e, 821 "Link is offline.\n"); 822 823 if (atomic_read(&vha->loop_state) != LOOP_DOWN) { 824 atomic_set(&vha->loop_state, LOOP_DOWN); 825 atomic_set(&vha->loop_down_timer, 826 LOOP_DOWN_TIME); 827 vha->device_flags |= DFLG_NO_CABLE; 828 qla2x00_mark_all_devices_lost(vha, 1); 829 } 830 831 if (vha->vp_idx) { 832 atomic_set(&vha->vp_state, VP_FAILED); 833 fc_vport_set_state(vha->fc_vport, 834 FC_VPORT_FAILED); 835 qla2x00_mark_all_devices_lost(vha, 1); 836 } 837 838 vha->flags.management_server_logged_in = 0; 839 ha->link_data_rate = PORT_SPEED_UNKNOWN; 840 break; 841 } 842 843 /* 844 * If PORT UPDATE is global (received LIP_OCCURRED/LIP_RESET 845 * event etc. earlier indicating loop is down) then process 846 * it. Otherwise ignore it and Wait for RSCN to come in. 847 */ 848 atomic_set(&vha->loop_down_timer, 0); 849 if (mb[1] != 0xffff || (mb[2] != 0x6 && mb[2] != 0x4)) { 850 ql_dbg(ql_dbg_async, vha, 0x5011, 851 "Asynchronous PORT UPDATE ignored %04x/%04x/%04x.\n", 852 mb[1], mb[2], mb[3]); 853 854 qlt_async_event(mb[0], vha, mb); 855 break; 856 } 857 858 ql_dbg(ql_dbg_async, vha, 0x5012, 859 "Port database changed %04x %04x %04x.\n", 860 mb[1], mb[2], mb[3]); 861 ql_log(ql_log_warn, vha, 0x505f, 862 "Link is operational (%s Gbps).\n", 863 qla2x00_get_link_speed_str(ha)); 864 865 /* 866 * Mark all devices as missing so we will login again. 867 */ 868 atomic_set(&vha->loop_state, LOOP_UP); 869 870 qla2x00_mark_all_devices_lost(vha, 1); 871 872 if (vha->vp_idx == 0 && !qla_ini_mode_enabled(vha)) 873 set_bit(SCR_PENDING, &vha->dpc_flags); 874 875 set_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags); 876 set_bit(LOCAL_LOOP_UPDATE, &vha->dpc_flags); 877 878 qlt_async_event(mb[0], vha, mb); 879 break; 880 881 case MBA_RSCN_UPDATE: /* State Change Registration */ 882 /* Check if the Vport has issued a SCR */ 883 if (vha->vp_idx && test_bit(VP_SCR_NEEDED, &vha->vp_flags)) 884 break; 885 /* Only handle SCNs for our Vport index. */ 886 if (ha->flags.npiv_supported && vha->vp_idx != (mb[3] & 0xff)) 887 break; 888 889 ql_dbg(ql_dbg_async, vha, 0x5013, 890 "RSCN database changed -- %04x %04x %04x.\n", 891 mb[1], mb[2], mb[3]); 892 893 rscn_entry = ((mb[1] & 0xff) << 16) | mb[2]; 894 host_pid = (vha->d_id.b.domain << 16) | (vha->d_id.b.area << 8) 895 | vha->d_id.b.al_pa; 896 if (rscn_entry == host_pid) { 897 ql_dbg(ql_dbg_async, vha, 0x5014, 898 "Ignoring RSCN update to local host " 899 "port ID (%06x).\n", host_pid); 900 break; 901 } 902 903 /* Ignore reserved bits from RSCN-payload. */ 904 rscn_entry = ((mb[1] & 0x3ff) << 16) | mb[2]; 905 906 atomic_set(&vha->loop_down_timer, 0); 907 vha->flags.management_server_logged_in = 0; 908 909 set_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags); 910 set_bit(RSCN_UPDATE, &vha->dpc_flags); 911 qla2x00_post_aen_work(vha, FCH_EVT_RSCN, rscn_entry); 912 break; 913 914 /* case MBA_RIO_RESPONSE: */ 915 case MBA_ZIO_RESPONSE: 916 ql_dbg(ql_dbg_async, vha, 0x5015, 917 "[R|Z]IO update completion.\n"); 918 919 if (IS_FWI2_CAPABLE(ha)) 920 qla24xx_process_response_queue(vha, rsp); 921 else 922 qla2x00_process_response_queue(rsp); 923 break; 924 925 case MBA_DISCARD_RND_FRAME: 926 ql_dbg(ql_dbg_async, vha, 0x5016, 927 "Discard RND Frame -- %04x %04x %04x.\n", 928 mb[1], mb[2], mb[3]); 929 break; 930 931 case MBA_TRACE_NOTIFICATION: 932 ql_dbg(ql_dbg_async, vha, 0x5017, 933 "Trace Notification -- %04x %04x.\n", mb[1], mb[2]); 934 break; 935 936 case MBA_ISP84XX_ALERT: 937 ql_dbg(ql_dbg_async, vha, 0x5018, 938 "ISP84XX Alert Notification -- %04x %04x %04x.\n", 939 mb[1], mb[2], mb[3]); 940 941 spin_lock_irqsave(&ha->cs84xx->access_lock, flags); 942 switch (mb[1]) { 943 case A84_PANIC_RECOVERY: 944 ql_log(ql_log_info, vha, 0x5019, 945 "Alert 84XX: panic recovery %04x %04x.\n", 946 mb[2], mb[3]); 947 break; 948 case A84_OP_LOGIN_COMPLETE: 949 ha->cs84xx->op_fw_version = mb[3] << 16 | mb[2]; 950 ql_log(ql_log_info, vha, 0x501a, 951 "Alert 84XX: firmware version %x.\n", 952 ha->cs84xx->op_fw_version); 953 break; 954 case A84_DIAG_LOGIN_COMPLETE: 955 ha->cs84xx->diag_fw_version = mb[3] << 16 | mb[2]; 956 ql_log(ql_log_info, vha, 0x501b, 957 "Alert 84XX: diagnostic firmware version %x.\n", 958 ha->cs84xx->diag_fw_version); 959 break; 960 case A84_GOLD_LOGIN_COMPLETE: 961 ha->cs84xx->diag_fw_version = mb[3] << 16 | mb[2]; 962 ha->cs84xx->fw_update = 1; 963 ql_log(ql_log_info, vha, 0x501c, 964 "Alert 84XX: gold firmware version %x.\n", 965 ha->cs84xx->gold_fw_version); 966 break; 967 default: 968 ql_log(ql_log_warn, vha, 0x501d, 969 "Alert 84xx: Invalid Alert %04x %04x %04x.\n", 970 mb[1], mb[2], mb[3]); 971 } 972 spin_unlock_irqrestore(&ha->cs84xx->access_lock, flags); 973 break; 974 case MBA_DCBX_START: 975 ql_dbg(ql_dbg_async, vha, 0x501e, 976 "DCBX Started -- %04x %04x %04x.\n", 977 mb[1], mb[2], mb[3]); 978 break; 979 case MBA_DCBX_PARAM_UPDATE: 980 ql_dbg(ql_dbg_async, vha, 0x501f, 981 "DCBX Parameters Updated -- %04x %04x %04x.\n", 982 mb[1], mb[2], mb[3]); 983 break; 984 case MBA_FCF_CONF_ERR: 985 ql_dbg(ql_dbg_async, vha, 0x5020, 986 "FCF Configuration Error -- %04x %04x %04x.\n", 987 mb[1], mb[2], mb[3]); 988 break; 989 case MBA_IDC_NOTIFY: 990 /* See if we need to quiesce any I/O */ 991 if (IS_QLA8031(vha->hw)) 992 if ((mb[2] & 0x7fff) == MBC_PORT_RESET || 993 (mb[2] & 0x7fff) == MBC_SET_PORT_CONFIG) { 994 set_bit(ISP_QUIESCE_NEEDED, &vha->dpc_flags); 995 qla2xxx_wake_dpc(vha); 996 } 997 case MBA_IDC_COMPLETE: 998 case MBA_IDC_TIME_EXT: 999 if (IS_QLA81XX(vha->hw) || IS_QLA8031(vha->hw)) 1000 qla81xx_idc_event(vha, mb[0], mb[1]); 1001 break; 1002 1003 case MBA_IDC_AEN: 1004 mb[4] = RD_REG_WORD(®24->mailbox4); 1005 mb[5] = RD_REG_WORD(®24->mailbox5); 1006 mb[6] = RD_REG_WORD(®24->mailbox6); 1007 mb[7] = RD_REG_WORD(®24->mailbox7); 1008 qla83xx_handle_8200_aen(vha, mb); 1009 break; 1010 1011 default: 1012 ql_dbg(ql_dbg_async, vha, 0x5057, 1013 "Unknown AEN:%04x %04x %04x %04x\n", 1014 mb[0], mb[1], mb[2], mb[3]); 1015 } 1016 1017 qlt_async_event(mb[0], vha, mb); 1018 1019 if (!vha->vp_idx && ha->num_vhosts) 1020 qla2x00_alert_all_vps(rsp, mb); 1021 } 1022 1023 /** 1024 * qla2x00_process_completed_request() - Process a Fast Post response. 1025 * @ha: SCSI driver HA context 1026 * @index: SRB index 1027 */ 1028 static void 1029 qla2x00_process_completed_request(struct scsi_qla_host *vha, 1030 struct req_que *req, uint32_t index) 1031 { 1032 srb_t *sp; 1033 struct qla_hw_data *ha = vha->hw; 1034 1035 /* Validate handle. */ 1036 if (index >= MAX_OUTSTANDING_COMMANDS) { 1037 ql_log(ql_log_warn, vha, 0x3014, 1038 "Invalid SCSI command index (%x).\n", index); 1039 1040 if (IS_QLA82XX(ha)) 1041 set_bit(FCOE_CTX_RESET_NEEDED, &vha->dpc_flags); 1042 else 1043 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags); 1044 return; 1045 } 1046 1047 sp = req->outstanding_cmds[index]; 1048 if (sp) { 1049 /* Free outstanding command slot. */ 1050 req->outstanding_cmds[index] = NULL; 1051 1052 /* Save ISP completion status */ 1053 sp->done(ha, sp, DID_OK << 16); 1054 } else { 1055 ql_log(ql_log_warn, vha, 0x3016, "Invalid SCSI SRB.\n"); 1056 1057 if (IS_QLA82XX(ha)) 1058 set_bit(FCOE_CTX_RESET_NEEDED, &vha->dpc_flags); 1059 else 1060 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags); 1061 } 1062 } 1063 1064 static srb_t * 1065 qla2x00_get_sp_from_handle(scsi_qla_host_t *vha, const char *func, 1066 struct req_que *req, void *iocb) 1067 { 1068 struct qla_hw_data *ha = vha->hw; 1069 sts_entry_t *pkt = iocb; 1070 srb_t *sp = NULL; 1071 uint16_t index; 1072 1073 index = LSW(pkt->handle); 1074 if (index >= MAX_OUTSTANDING_COMMANDS) { 1075 ql_log(ql_log_warn, vha, 0x5031, 1076 "Invalid command index (%x).\n", index); 1077 if (IS_QLA82XX(ha)) 1078 set_bit(FCOE_CTX_RESET_NEEDED, &vha->dpc_flags); 1079 else 1080 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags); 1081 goto done; 1082 } 1083 sp = req->outstanding_cmds[index]; 1084 if (!sp) { 1085 ql_log(ql_log_warn, vha, 0x5032, 1086 "Invalid completion handle (%x) -- timed-out.\n", index); 1087 return sp; 1088 } 1089 if (sp->handle != index) { 1090 ql_log(ql_log_warn, vha, 0x5033, 1091 "SRB handle (%x) mismatch %x.\n", sp->handle, index); 1092 return NULL; 1093 } 1094 1095 req->outstanding_cmds[index] = NULL; 1096 1097 done: 1098 return sp; 1099 } 1100 1101 static void 1102 qla2x00_mbx_iocb_entry(scsi_qla_host_t *vha, struct req_que *req, 1103 struct mbx_entry *mbx) 1104 { 1105 const char func[] = "MBX-IOCB"; 1106 const char *type; 1107 fc_port_t *fcport; 1108 srb_t *sp; 1109 struct srb_iocb *lio; 1110 uint16_t *data; 1111 uint16_t status; 1112 1113 sp = qla2x00_get_sp_from_handle(vha, func, req, mbx); 1114 if (!sp) 1115 return; 1116 1117 lio = &sp->u.iocb_cmd; 1118 type = sp->name; 1119 fcport = sp->fcport; 1120 data = lio->u.logio.data; 1121 1122 data[0] = MBS_COMMAND_ERROR; 1123 data[1] = lio->u.logio.flags & SRB_LOGIN_RETRIED ? 1124 QLA_LOGIO_LOGIN_RETRIED : 0; 1125 if (mbx->entry_status) { 1126 ql_dbg(ql_dbg_async, vha, 0x5043, 1127 "Async-%s error entry - hdl=%x portid=%02x%02x%02x " 1128 "entry-status=%x status=%x state-flag=%x " 1129 "status-flags=%x.\n", type, sp->handle, 1130 fcport->d_id.b.domain, fcport->d_id.b.area, 1131 fcport->d_id.b.al_pa, mbx->entry_status, 1132 le16_to_cpu(mbx->status), le16_to_cpu(mbx->state_flags), 1133 le16_to_cpu(mbx->status_flags)); 1134 1135 ql_dump_buffer(ql_dbg_async + ql_dbg_buffer, vha, 0x5029, 1136 (uint8_t *)mbx, sizeof(*mbx)); 1137 1138 goto logio_done; 1139 } 1140 1141 status = le16_to_cpu(mbx->status); 1142 if (status == 0x30 && sp->type == SRB_LOGIN_CMD && 1143 le16_to_cpu(mbx->mb0) == MBS_COMMAND_COMPLETE) 1144 status = 0; 1145 if (!status && le16_to_cpu(mbx->mb0) == MBS_COMMAND_COMPLETE) { 1146 ql_dbg(ql_dbg_async, vha, 0x5045, 1147 "Async-%s complete - hdl=%x portid=%02x%02x%02x mbx1=%x.\n", 1148 type, sp->handle, fcport->d_id.b.domain, 1149 fcport->d_id.b.area, fcport->d_id.b.al_pa, 1150 le16_to_cpu(mbx->mb1)); 1151 1152 data[0] = MBS_COMMAND_COMPLETE; 1153 if (sp->type == SRB_LOGIN_CMD) { 1154 fcport->port_type = FCT_TARGET; 1155 if (le16_to_cpu(mbx->mb1) & BIT_0) 1156 fcport->port_type = FCT_INITIATOR; 1157 else if (le16_to_cpu(mbx->mb1) & BIT_1) 1158 fcport->flags |= FCF_FCP2_DEVICE; 1159 } 1160 goto logio_done; 1161 } 1162 1163 data[0] = le16_to_cpu(mbx->mb0); 1164 switch (data[0]) { 1165 case MBS_PORT_ID_USED: 1166 data[1] = le16_to_cpu(mbx->mb1); 1167 break; 1168 case MBS_LOOP_ID_USED: 1169 break; 1170 default: 1171 data[0] = MBS_COMMAND_ERROR; 1172 break; 1173 } 1174 1175 ql_log(ql_log_warn, vha, 0x5046, 1176 "Async-%s failed - hdl=%x portid=%02x%02x%02x status=%x " 1177 "mb0=%x mb1=%x mb2=%x mb6=%x mb7=%x.\n", type, sp->handle, 1178 fcport->d_id.b.domain, fcport->d_id.b.area, fcport->d_id.b.al_pa, 1179 status, le16_to_cpu(mbx->mb0), le16_to_cpu(mbx->mb1), 1180 le16_to_cpu(mbx->mb2), le16_to_cpu(mbx->mb6), 1181 le16_to_cpu(mbx->mb7)); 1182 1183 logio_done: 1184 sp->done(vha, sp, 0); 1185 } 1186 1187 static void 1188 qla2x00_ct_entry(scsi_qla_host_t *vha, struct req_que *req, 1189 sts_entry_t *pkt, int iocb_type) 1190 { 1191 const char func[] = "CT_IOCB"; 1192 const char *type; 1193 srb_t *sp; 1194 struct fc_bsg_job *bsg_job; 1195 uint16_t comp_status; 1196 int res; 1197 1198 sp = qla2x00_get_sp_from_handle(vha, func, req, pkt); 1199 if (!sp) 1200 return; 1201 1202 bsg_job = sp->u.bsg_job; 1203 1204 type = "ct pass-through"; 1205 1206 comp_status = le16_to_cpu(pkt->comp_status); 1207 1208 /* return FC_CTELS_STATUS_OK and leave the decoding of the ELS/CT 1209 * fc payload to the caller 1210 */ 1211 bsg_job->reply->reply_data.ctels_reply.status = FC_CTELS_STATUS_OK; 1212 bsg_job->reply_len = sizeof(struct fc_bsg_reply); 1213 1214 if (comp_status != CS_COMPLETE) { 1215 if (comp_status == CS_DATA_UNDERRUN) { 1216 res = DID_OK << 16; 1217 bsg_job->reply->reply_payload_rcv_len = 1218 le16_to_cpu(((sts_entry_t *)pkt)->rsp_info_len); 1219 1220 ql_log(ql_log_warn, vha, 0x5048, 1221 "CT pass-through-%s error " 1222 "comp_status-status=0x%x total_byte = 0x%x.\n", 1223 type, comp_status, 1224 bsg_job->reply->reply_payload_rcv_len); 1225 } else { 1226 ql_log(ql_log_warn, vha, 0x5049, 1227 "CT pass-through-%s error " 1228 "comp_status-status=0x%x.\n", type, comp_status); 1229 res = DID_ERROR << 16; 1230 bsg_job->reply->reply_payload_rcv_len = 0; 1231 } 1232 ql_dump_buffer(ql_dbg_async + ql_dbg_buffer, vha, 0x5035, 1233 (uint8_t *)pkt, sizeof(*pkt)); 1234 } else { 1235 res = DID_OK << 16; 1236 bsg_job->reply->reply_payload_rcv_len = 1237 bsg_job->reply_payload.payload_len; 1238 bsg_job->reply_len = 0; 1239 } 1240 1241 sp->done(vha, sp, res); 1242 } 1243 1244 static void 1245 qla24xx_els_ct_entry(scsi_qla_host_t *vha, struct req_que *req, 1246 struct sts_entry_24xx *pkt, int iocb_type) 1247 { 1248 const char func[] = "ELS_CT_IOCB"; 1249 const char *type; 1250 srb_t *sp; 1251 struct fc_bsg_job *bsg_job; 1252 uint16_t comp_status; 1253 uint32_t fw_status[3]; 1254 uint8_t* fw_sts_ptr; 1255 int res; 1256 1257 sp = qla2x00_get_sp_from_handle(vha, func, req, pkt); 1258 if (!sp) 1259 return; 1260 bsg_job = sp->u.bsg_job; 1261 1262 type = NULL; 1263 switch (sp->type) { 1264 case SRB_ELS_CMD_RPT: 1265 case SRB_ELS_CMD_HST: 1266 type = "els"; 1267 break; 1268 case SRB_CT_CMD: 1269 type = "ct pass-through"; 1270 break; 1271 default: 1272 ql_dbg(ql_dbg_user, vha, 0x503e, 1273 "Unrecognized SRB: (%p) type=%d.\n", sp, sp->type); 1274 return; 1275 } 1276 1277 comp_status = fw_status[0] = le16_to_cpu(pkt->comp_status); 1278 fw_status[1] = le16_to_cpu(((struct els_sts_entry_24xx*)pkt)->error_subcode_1); 1279 fw_status[2] = le16_to_cpu(((struct els_sts_entry_24xx*)pkt)->error_subcode_2); 1280 1281 /* return FC_CTELS_STATUS_OK and leave the decoding of the ELS/CT 1282 * fc payload to the caller 1283 */ 1284 bsg_job->reply->reply_data.ctels_reply.status = FC_CTELS_STATUS_OK; 1285 bsg_job->reply_len = sizeof(struct fc_bsg_reply) + sizeof(fw_status); 1286 1287 if (comp_status != CS_COMPLETE) { 1288 if (comp_status == CS_DATA_UNDERRUN) { 1289 res = DID_OK << 16; 1290 bsg_job->reply->reply_payload_rcv_len = 1291 le16_to_cpu(((struct els_sts_entry_24xx *)pkt)->total_byte_count); 1292 1293 ql_dbg(ql_dbg_user, vha, 0x503f, 1294 "ELS-CT pass-through-%s error hdl=%x comp_status-status=0x%x " 1295 "error subcode 1=0x%x error subcode 2=0x%x total_byte = 0x%x.\n", 1296 type, sp->handle, comp_status, fw_status[1], fw_status[2], 1297 le16_to_cpu(((struct els_sts_entry_24xx *) 1298 pkt)->total_byte_count)); 1299 fw_sts_ptr = ((uint8_t*)bsg_job->req->sense) + sizeof(struct fc_bsg_reply); 1300 memcpy( fw_sts_ptr, fw_status, sizeof(fw_status)); 1301 } 1302 else { 1303 ql_dbg(ql_dbg_user, vha, 0x5040, 1304 "ELS-CT pass-through-%s error hdl=%x comp_status-status=0x%x " 1305 "error subcode 1=0x%x error subcode 2=0x%x.\n", 1306 type, sp->handle, comp_status, 1307 le16_to_cpu(((struct els_sts_entry_24xx *) 1308 pkt)->error_subcode_1), 1309 le16_to_cpu(((struct els_sts_entry_24xx *) 1310 pkt)->error_subcode_2)); 1311 res = DID_ERROR << 16; 1312 bsg_job->reply->reply_payload_rcv_len = 0; 1313 fw_sts_ptr = ((uint8_t*)bsg_job->req->sense) + sizeof(struct fc_bsg_reply); 1314 memcpy( fw_sts_ptr, fw_status, sizeof(fw_status)); 1315 } 1316 ql_dump_buffer(ql_dbg_user + ql_dbg_buffer, vha, 0x5056, 1317 (uint8_t *)pkt, sizeof(*pkt)); 1318 } 1319 else { 1320 res = DID_OK << 16; 1321 bsg_job->reply->reply_payload_rcv_len = bsg_job->reply_payload.payload_len; 1322 bsg_job->reply_len = 0; 1323 } 1324 1325 sp->done(vha, sp, res); 1326 } 1327 1328 static void 1329 qla24xx_logio_entry(scsi_qla_host_t *vha, struct req_que *req, 1330 struct logio_entry_24xx *logio) 1331 { 1332 const char func[] = "LOGIO-IOCB"; 1333 const char *type; 1334 fc_port_t *fcport; 1335 srb_t *sp; 1336 struct srb_iocb *lio; 1337 uint16_t *data; 1338 uint32_t iop[2]; 1339 1340 sp = qla2x00_get_sp_from_handle(vha, func, req, logio); 1341 if (!sp) 1342 return; 1343 1344 lio = &sp->u.iocb_cmd; 1345 type = sp->name; 1346 fcport = sp->fcport; 1347 data = lio->u.logio.data; 1348 1349 data[0] = MBS_COMMAND_ERROR; 1350 data[1] = lio->u.logio.flags & SRB_LOGIN_RETRIED ? 1351 QLA_LOGIO_LOGIN_RETRIED : 0; 1352 if (logio->entry_status) { 1353 ql_log(ql_log_warn, fcport->vha, 0x5034, 1354 "Async-%s error entry - hdl=%x" 1355 "portid=%02x%02x%02x entry-status=%x.\n", 1356 type, sp->handle, fcport->d_id.b.domain, 1357 fcport->d_id.b.area, fcport->d_id.b.al_pa, 1358 logio->entry_status); 1359 ql_dump_buffer(ql_dbg_async + ql_dbg_buffer, vha, 0x504d, 1360 (uint8_t *)logio, sizeof(*logio)); 1361 1362 goto logio_done; 1363 } 1364 1365 if (le16_to_cpu(logio->comp_status) == CS_COMPLETE) { 1366 ql_dbg(ql_dbg_async, fcport->vha, 0x5036, 1367 "Async-%s complete - hdl=%x portid=%02x%02x%02x " 1368 "iop0=%x.\n", type, sp->handle, fcport->d_id.b.domain, 1369 fcport->d_id.b.area, fcport->d_id.b.al_pa, 1370 le32_to_cpu(logio->io_parameter[0])); 1371 1372 data[0] = MBS_COMMAND_COMPLETE; 1373 if (sp->type != SRB_LOGIN_CMD) 1374 goto logio_done; 1375 1376 iop[0] = le32_to_cpu(logio->io_parameter[0]); 1377 if (iop[0] & BIT_4) { 1378 fcport->port_type = FCT_TARGET; 1379 if (iop[0] & BIT_8) 1380 fcport->flags |= FCF_FCP2_DEVICE; 1381 } else if (iop[0] & BIT_5) 1382 fcport->port_type = FCT_INITIATOR; 1383 1384 if (iop[0] & BIT_7) 1385 fcport->flags |= FCF_CONF_COMP_SUPPORTED; 1386 1387 if (logio->io_parameter[7] || logio->io_parameter[8]) 1388 fcport->supported_classes |= FC_COS_CLASS2; 1389 if (logio->io_parameter[9] || logio->io_parameter[10]) 1390 fcport->supported_classes |= FC_COS_CLASS3; 1391 1392 goto logio_done; 1393 } 1394 1395 iop[0] = le32_to_cpu(logio->io_parameter[0]); 1396 iop[1] = le32_to_cpu(logio->io_parameter[1]); 1397 switch (iop[0]) { 1398 case LSC_SCODE_PORTID_USED: 1399 data[0] = MBS_PORT_ID_USED; 1400 data[1] = LSW(iop[1]); 1401 break; 1402 case LSC_SCODE_NPORT_USED: 1403 data[0] = MBS_LOOP_ID_USED; 1404 break; 1405 default: 1406 data[0] = MBS_COMMAND_ERROR; 1407 break; 1408 } 1409 1410 ql_dbg(ql_dbg_async, fcport->vha, 0x5037, 1411 "Async-%s failed - hdl=%x portid=%02x%02x%02x comp=%x " 1412 "iop0=%x iop1=%x.\n", type, sp->handle, fcport->d_id.b.domain, 1413 fcport->d_id.b.area, fcport->d_id.b.al_pa, 1414 le16_to_cpu(logio->comp_status), 1415 le32_to_cpu(logio->io_parameter[0]), 1416 le32_to_cpu(logio->io_parameter[1])); 1417 1418 logio_done: 1419 sp->done(vha, sp, 0); 1420 } 1421 1422 static void 1423 qla24xx_tm_iocb_entry(scsi_qla_host_t *vha, struct req_que *req, 1424 struct tsk_mgmt_entry *tsk) 1425 { 1426 const char func[] = "TMF-IOCB"; 1427 const char *type; 1428 fc_port_t *fcport; 1429 srb_t *sp; 1430 struct srb_iocb *iocb; 1431 struct sts_entry_24xx *sts = (struct sts_entry_24xx *)tsk; 1432 int error = 1; 1433 1434 sp = qla2x00_get_sp_from_handle(vha, func, req, tsk); 1435 if (!sp) 1436 return; 1437 1438 iocb = &sp->u.iocb_cmd; 1439 type = sp->name; 1440 fcport = sp->fcport; 1441 1442 if (sts->entry_status) { 1443 ql_log(ql_log_warn, fcport->vha, 0x5038, 1444 "Async-%s error - hdl=%x entry-status(%x).\n", 1445 type, sp->handle, sts->entry_status); 1446 } else if (sts->comp_status != __constant_cpu_to_le16(CS_COMPLETE)) { 1447 ql_log(ql_log_warn, fcport->vha, 0x5039, 1448 "Async-%s error - hdl=%x completion status(%x).\n", 1449 type, sp->handle, sts->comp_status); 1450 } else if (!(le16_to_cpu(sts->scsi_status) & 1451 SS_RESPONSE_INFO_LEN_VALID)) { 1452 ql_log(ql_log_warn, fcport->vha, 0x503a, 1453 "Async-%s error - hdl=%x no response info(%x).\n", 1454 type, sp->handle, sts->scsi_status); 1455 } else if (le32_to_cpu(sts->rsp_data_len) < 4) { 1456 ql_log(ql_log_warn, fcport->vha, 0x503b, 1457 "Async-%s error - hdl=%x not enough response(%d).\n", 1458 type, sp->handle, sts->rsp_data_len); 1459 } else if (sts->data[3]) { 1460 ql_log(ql_log_warn, fcport->vha, 0x503c, 1461 "Async-%s error - hdl=%x response(%x).\n", 1462 type, sp->handle, sts->data[3]); 1463 } else { 1464 error = 0; 1465 } 1466 1467 if (error) { 1468 iocb->u.tmf.data = error; 1469 ql_dump_buffer(ql_dbg_async + ql_dbg_buffer, vha, 0x5055, 1470 (uint8_t *)sts, sizeof(*sts)); 1471 } 1472 1473 sp->done(vha, sp, 0); 1474 } 1475 1476 /** 1477 * qla2x00_process_response_queue() - Process response queue entries. 1478 * @ha: SCSI driver HA context 1479 */ 1480 void 1481 qla2x00_process_response_queue(struct rsp_que *rsp) 1482 { 1483 struct scsi_qla_host *vha; 1484 struct qla_hw_data *ha = rsp->hw; 1485 struct device_reg_2xxx __iomem *reg = &ha->iobase->isp; 1486 sts_entry_t *pkt; 1487 uint16_t handle_cnt; 1488 uint16_t cnt; 1489 1490 vha = pci_get_drvdata(ha->pdev); 1491 1492 if (!vha->flags.online) 1493 return; 1494 1495 while (rsp->ring_ptr->signature != RESPONSE_PROCESSED) { 1496 pkt = (sts_entry_t *)rsp->ring_ptr; 1497 1498 rsp->ring_index++; 1499 if (rsp->ring_index == rsp->length) { 1500 rsp->ring_index = 0; 1501 rsp->ring_ptr = rsp->ring; 1502 } else { 1503 rsp->ring_ptr++; 1504 } 1505 1506 if (pkt->entry_status != 0) { 1507 qla2x00_error_entry(vha, rsp, pkt); 1508 ((response_t *)pkt)->signature = RESPONSE_PROCESSED; 1509 wmb(); 1510 continue; 1511 } 1512 1513 switch (pkt->entry_type) { 1514 case STATUS_TYPE: 1515 qla2x00_status_entry(vha, rsp, pkt); 1516 break; 1517 case STATUS_TYPE_21: 1518 handle_cnt = ((sts21_entry_t *)pkt)->handle_count; 1519 for (cnt = 0; cnt < handle_cnt; cnt++) { 1520 qla2x00_process_completed_request(vha, rsp->req, 1521 ((sts21_entry_t *)pkt)->handle[cnt]); 1522 } 1523 break; 1524 case STATUS_TYPE_22: 1525 handle_cnt = ((sts22_entry_t *)pkt)->handle_count; 1526 for (cnt = 0; cnt < handle_cnt; cnt++) { 1527 qla2x00_process_completed_request(vha, rsp->req, 1528 ((sts22_entry_t *)pkt)->handle[cnt]); 1529 } 1530 break; 1531 case STATUS_CONT_TYPE: 1532 qla2x00_status_cont_entry(rsp, (sts_cont_entry_t *)pkt); 1533 break; 1534 case MBX_IOCB_TYPE: 1535 qla2x00_mbx_iocb_entry(vha, rsp->req, 1536 (struct mbx_entry *)pkt); 1537 break; 1538 case CT_IOCB_TYPE: 1539 qla2x00_ct_entry(vha, rsp->req, pkt, CT_IOCB_TYPE); 1540 break; 1541 default: 1542 /* Type Not Supported. */ 1543 ql_log(ql_log_warn, vha, 0x504a, 1544 "Received unknown response pkt type %x " 1545 "entry status=%x.\n", 1546 pkt->entry_type, pkt->entry_status); 1547 break; 1548 } 1549 ((response_t *)pkt)->signature = RESPONSE_PROCESSED; 1550 wmb(); 1551 } 1552 1553 /* Adjust ring index */ 1554 WRT_REG_WORD(ISP_RSP_Q_OUT(ha, reg), rsp->ring_index); 1555 } 1556 1557 static inline void 1558 qla2x00_handle_sense(srb_t *sp, uint8_t *sense_data, uint32_t par_sense_len, 1559 uint32_t sense_len, struct rsp_que *rsp, int res) 1560 { 1561 struct scsi_qla_host *vha = sp->fcport->vha; 1562 struct scsi_cmnd *cp = GET_CMD_SP(sp); 1563 uint32_t track_sense_len; 1564 1565 if (sense_len >= SCSI_SENSE_BUFFERSIZE) 1566 sense_len = SCSI_SENSE_BUFFERSIZE; 1567 1568 SET_CMD_SENSE_LEN(sp, sense_len); 1569 SET_CMD_SENSE_PTR(sp, cp->sense_buffer); 1570 track_sense_len = sense_len; 1571 1572 if (sense_len > par_sense_len) 1573 sense_len = par_sense_len; 1574 1575 memcpy(cp->sense_buffer, sense_data, sense_len); 1576 1577 SET_CMD_SENSE_PTR(sp, cp->sense_buffer + sense_len); 1578 track_sense_len -= sense_len; 1579 SET_CMD_SENSE_LEN(sp, track_sense_len); 1580 1581 if (track_sense_len != 0) { 1582 rsp->status_srb = sp; 1583 cp->result = res; 1584 } 1585 1586 if (sense_len) { 1587 ql_dbg(ql_dbg_io + ql_dbg_buffer, vha, 0x301c, 1588 "Check condition Sense data, nexus%ld:%d:%d cmd=%p.\n", 1589 sp->fcport->vha->host_no, cp->device->id, cp->device->lun, 1590 cp); 1591 ql_dump_buffer(ql_dbg_io + ql_dbg_buffer, vha, 0x302b, 1592 cp->sense_buffer, sense_len); 1593 } 1594 } 1595 1596 struct scsi_dif_tuple { 1597 __be16 guard; /* Checksum */ 1598 __be16 app_tag; /* APPL identifier */ 1599 __be32 ref_tag; /* Target LBA or indirect LBA */ 1600 }; 1601 1602 /* 1603 * Checks the guard or meta-data for the type of error 1604 * detected by the HBA. In case of errors, we set the 1605 * ASC/ASCQ fields in the sense buffer with ILLEGAL_REQUEST 1606 * to indicate to the kernel that the HBA detected error. 1607 */ 1608 static inline int 1609 qla2x00_handle_dif_error(srb_t *sp, struct sts_entry_24xx *sts24) 1610 { 1611 struct scsi_qla_host *vha = sp->fcport->vha; 1612 struct scsi_cmnd *cmd = GET_CMD_SP(sp); 1613 uint8_t *ap = &sts24->data[12]; 1614 uint8_t *ep = &sts24->data[20]; 1615 uint32_t e_ref_tag, a_ref_tag; 1616 uint16_t e_app_tag, a_app_tag; 1617 uint16_t e_guard, a_guard; 1618 1619 /* 1620 * swab32 of the "data" field in the beginning of qla2x00_status_entry() 1621 * would make guard field appear at offset 2 1622 */ 1623 a_guard = le16_to_cpu(*(uint16_t *)(ap + 2)); 1624 a_app_tag = le16_to_cpu(*(uint16_t *)(ap + 0)); 1625 a_ref_tag = le32_to_cpu(*(uint32_t *)(ap + 4)); 1626 e_guard = le16_to_cpu(*(uint16_t *)(ep + 2)); 1627 e_app_tag = le16_to_cpu(*(uint16_t *)(ep + 0)); 1628 e_ref_tag = le32_to_cpu(*(uint32_t *)(ep + 4)); 1629 1630 ql_dbg(ql_dbg_io, vha, 0x3023, 1631 "iocb(s) %p Returned STATUS.\n", sts24); 1632 1633 ql_dbg(ql_dbg_io, vha, 0x3024, 1634 "DIF ERROR in cmd 0x%x lba 0x%llx act ref" 1635 " tag=0x%x, exp ref_tag=0x%x, act app tag=0x%x, exp app" 1636 " tag=0x%x, act guard=0x%x, exp guard=0x%x.\n", 1637 cmd->cmnd[0], (u64)scsi_get_lba(cmd), a_ref_tag, e_ref_tag, 1638 a_app_tag, e_app_tag, a_guard, e_guard); 1639 1640 /* 1641 * Ignore sector if: 1642 * For type 3: ref & app tag is all 'f's 1643 * For type 0,1,2: app tag is all 'f's 1644 */ 1645 if ((a_app_tag == 0xffff) && 1646 ((scsi_get_prot_type(cmd) != SCSI_PROT_DIF_TYPE3) || 1647 (a_ref_tag == 0xffffffff))) { 1648 uint32_t blocks_done, resid; 1649 sector_t lba_s = scsi_get_lba(cmd); 1650 1651 /* 2TB boundary case covered automatically with this */ 1652 blocks_done = e_ref_tag - (uint32_t)lba_s + 1; 1653 1654 resid = scsi_bufflen(cmd) - (blocks_done * 1655 cmd->device->sector_size); 1656 1657 scsi_set_resid(cmd, resid); 1658 cmd->result = DID_OK << 16; 1659 1660 /* Update protection tag */ 1661 if (scsi_prot_sg_count(cmd)) { 1662 uint32_t i, j = 0, k = 0, num_ent; 1663 struct scatterlist *sg; 1664 struct sd_dif_tuple *spt; 1665 1666 /* Patch the corresponding protection tags */ 1667 scsi_for_each_prot_sg(cmd, sg, 1668 scsi_prot_sg_count(cmd), i) { 1669 num_ent = sg_dma_len(sg) / 8; 1670 if (k + num_ent < blocks_done) { 1671 k += num_ent; 1672 continue; 1673 } 1674 j = blocks_done - k - 1; 1675 k = blocks_done; 1676 break; 1677 } 1678 1679 if (k != blocks_done) { 1680 ql_log(ql_log_warn, vha, 0x302f, 1681 "unexpected tag values tag:lba=%x:%llx)\n", 1682 e_ref_tag, (unsigned long long)lba_s); 1683 return 1; 1684 } 1685 1686 spt = page_address(sg_page(sg)) + sg->offset; 1687 spt += j; 1688 1689 spt->app_tag = 0xffff; 1690 if (scsi_get_prot_type(cmd) == SCSI_PROT_DIF_TYPE3) 1691 spt->ref_tag = 0xffffffff; 1692 } 1693 1694 return 0; 1695 } 1696 1697 /* check guard */ 1698 if (e_guard != a_guard) { 1699 scsi_build_sense_buffer(1, cmd->sense_buffer, ILLEGAL_REQUEST, 1700 0x10, 0x1); 1701 set_driver_byte(cmd, DRIVER_SENSE); 1702 set_host_byte(cmd, DID_ABORT); 1703 cmd->result |= SAM_STAT_CHECK_CONDITION << 1; 1704 return 1; 1705 } 1706 1707 /* check ref tag */ 1708 if (e_ref_tag != a_ref_tag) { 1709 scsi_build_sense_buffer(1, cmd->sense_buffer, ILLEGAL_REQUEST, 1710 0x10, 0x3); 1711 set_driver_byte(cmd, DRIVER_SENSE); 1712 set_host_byte(cmd, DID_ABORT); 1713 cmd->result |= SAM_STAT_CHECK_CONDITION << 1; 1714 return 1; 1715 } 1716 1717 /* check appl tag */ 1718 if (e_app_tag != a_app_tag) { 1719 scsi_build_sense_buffer(1, cmd->sense_buffer, ILLEGAL_REQUEST, 1720 0x10, 0x2); 1721 set_driver_byte(cmd, DRIVER_SENSE); 1722 set_host_byte(cmd, DID_ABORT); 1723 cmd->result |= SAM_STAT_CHECK_CONDITION << 1; 1724 return 1; 1725 } 1726 1727 return 1; 1728 } 1729 1730 static void 1731 qla25xx_process_bidir_status_iocb(scsi_qla_host_t *vha, void *pkt, 1732 struct req_que *req, uint32_t index) 1733 { 1734 struct qla_hw_data *ha = vha->hw; 1735 srb_t *sp; 1736 uint16_t comp_status; 1737 uint16_t scsi_status; 1738 uint16_t thread_id; 1739 uint32_t rval = EXT_STATUS_OK; 1740 struct fc_bsg_job *bsg_job = NULL; 1741 sts_entry_t *sts; 1742 struct sts_entry_24xx *sts24; 1743 sts = (sts_entry_t *) pkt; 1744 sts24 = (struct sts_entry_24xx *) pkt; 1745 1746 /* Validate handle. */ 1747 if (index >= MAX_OUTSTANDING_COMMANDS) { 1748 ql_log(ql_log_warn, vha, 0x70af, 1749 "Invalid SCSI completion handle 0x%x.\n", index); 1750 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags); 1751 return; 1752 } 1753 1754 sp = req->outstanding_cmds[index]; 1755 if (sp) { 1756 /* Free outstanding command slot. */ 1757 req->outstanding_cmds[index] = NULL; 1758 bsg_job = sp->u.bsg_job; 1759 } else { 1760 ql_log(ql_log_warn, vha, 0x70b0, 1761 "Req:%d: Invalid ISP SCSI completion handle(0x%x)\n", 1762 req->id, index); 1763 1764 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags); 1765 return; 1766 } 1767 1768 if (IS_FWI2_CAPABLE(ha)) { 1769 comp_status = le16_to_cpu(sts24->comp_status); 1770 scsi_status = le16_to_cpu(sts24->scsi_status) & SS_MASK; 1771 } else { 1772 comp_status = le16_to_cpu(sts->comp_status); 1773 scsi_status = le16_to_cpu(sts->scsi_status) & SS_MASK; 1774 } 1775 1776 thread_id = bsg_job->request->rqst_data.h_vendor.vendor_cmd[1]; 1777 switch (comp_status) { 1778 case CS_COMPLETE: 1779 if (scsi_status == 0) { 1780 bsg_job->reply->reply_payload_rcv_len = 1781 bsg_job->reply_payload.payload_len; 1782 rval = EXT_STATUS_OK; 1783 } 1784 goto done; 1785 1786 case CS_DATA_OVERRUN: 1787 ql_dbg(ql_dbg_user, vha, 0x70b1, 1788 "Command completed with date overrun thread_id=%d\n", 1789 thread_id); 1790 rval = EXT_STATUS_DATA_OVERRUN; 1791 break; 1792 1793 case CS_DATA_UNDERRUN: 1794 ql_dbg(ql_dbg_user, vha, 0x70b2, 1795 "Command completed with date underrun thread_id=%d\n", 1796 thread_id); 1797 rval = EXT_STATUS_DATA_UNDERRUN; 1798 break; 1799 case CS_BIDIR_RD_OVERRUN: 1800 ql_dbg(ql_dbg_user, vha, 0x70b3, 1801 "Command completed with read data overrun thread_id=%d\n", 1802 thread_id); 1803 rval = EXT_STATUS_DATA_OVERRUN; 1804 break; 1805 1806 case CS_BIDIR_RD_WR_OVERRUN: 1807 ql_dbg(ql_dbg_user, vha, 0x70b4, 1808 "Command completed with read and write data overrun " 1809 "thread_id=%d\n", thread_id); 1810 rval = EXT_STATUS_DATA_OVERRUN; 1811 break; 1812 1813 case CS_BIDIR_RD_OVERRUN_WR_UNDERRUN: 1814 ql_dbg(ql_dbg_user, vha, 0x70b5, 1815 "Command completed with read data over and write data " 1816 "underrun thread_id=%d\n", thread_id); 1817 rval = EXT_STATUS_DATA_OVERRUN; 1818 break; 1819 1820 case CS_BIDIR_RD_UNDERRUN: 1821 ql_dbg(ql_dbg_user, vha, 0x70b6, 1822 "Command completed with read data data underrun " 1823 "thread_id=%d\n", thread_id); 1824 rval = EXT_STATUS_DATA_UNDERRUN; 1825 break; 1826 1827 case CS_BIDIR_RD_UNDERRUN_WR_OVERRUN: 1828 ql_dbg(ql_dbg_user, vha, 0x70b7, 1829 "Command completed with read data under and write data " 1830 "overrun thread_id=%d\n", thread_id); 1831 rval = EXT_STATUS_DATA_UNDERRUN; 1832 break; 1833 1834 case CS_BIDIR_RD_WR_UNDERRUN: 1835 ql_dbg(ql_dbg_user, vha, 0x70b8, 1836 "Command completed with read and write data underrun " 1837 "thread_id=%d\n", thread_id); 1838 rval = EXT_STATUS_DATA_UNDERRUN; 1839 break; 1840 1841 case CS_BIDIR_DMA: 1842 ql_dbg(ql_dbg_user, vha, 0x70b9, 1843 "Command completed with data DMA error thread_id=%d\n", 1844 thread_id); 1845 rval = EXT_STATUS_DMA_ERR; 1846 break; 1847 1848 case CS_TIMEOUT: 1849 ql_dbg(ql_dbg_user, vha, 0x70ba, 1850 "Command completed with timeout thread_id=%d\n", 1851 thread_id); 1852 rval = EXT_STATUS_TIMEOUT; 1853 break; 1854 default: 1855 ql_dbg(ql_dbg_user, vha, 0x70bb, 1856 "Command completed with completion status=0x%x " 1857 "thread_id=%d\n", comp_status, thread_id); 1858 rval = EXT_STATUS_ERR; 1859 break; 1860 } 1861 bsg_job->reply->reply_payload_rcv_len = 0; 1862 1863 done: 1864 /* Return the vendor specific reply to API */ 1865 bsg_job->reply->reply_data.vendor_reply.vendor_rsp[0] = rval; 1866 bsg_job->reply_len = sizeof(struct fc_bsg_reply); 1867 /* Always return DID_OK, bsg will send the vendor specific response 1868 * in this case only */ 1869 sp->done(vha, sp, (DID_OK << 6)); 1870 1871 } 1872 1873 /** 1874 * qla2x00_status_entry() - Process a Status IOCB entry. 1875 * @ha: SCSI driver HA context 1876 * @pkt: Entry pointer 1877 */ 1878 static void 1879 qla2x00_status_entry(scsi_qla_host_t *vha, struct rsp_que *rsp, void *pkt) 1880 { 1881 srb_t *sp; 1882 fc_port_t *fcport; 1883 struct scsi_cmnd *cp; 1884 sts_entry_t *sts; 1885 struct sts_entry_24xx *sts24; 1886 uint16_t comp_status; 1887 uint16_t scsi_status; 1888 uint16_t ox_id; 1889 uint8_t lscsi_status; 1890 int32_t resid; 1891 uint32_t sense_len, par_sense_len, rsp_info_len, resid_len, 1892 fw_resid_len; 1893 uint8_t *rsp_info, *sense_data; 1894 struct qla_hw_data *ha = vha->hw; 1895 uint32_t handle; 1896 uint16_t que; 1897 struct req_que *req; 1898 int logit = 1; 1899 int res = 0; 1900 uint16_t state_flags = 0; 1901 1902 sts = (sts_entry_t *) pkt; 1903 sts24 = (struct sts_entry_24xx *) pkt; 1904 if (IS_FWI2_CAPABLE(ha)) { 1905 comp_status = le16_to_cpu(sts24->comp_status); 1906 scsi_status = le16_to_cpu(sts24->scsi_status) & SS_MASK; 1907 state_flags = le16_to_cpu(sts24->state_flags); 1908 } else { 1909 comp_status = le16_to_cpu(sts->comp_status); 1910 scsi_status = le16_to_cpu(sts->scsi_status) & SS_MASK; 1911 } 1912 handle = (uint32_t) LSW(sts->handle); 1913 que = MSW(sts->handle); 1914 req = ha->req_q_map[que]; 1915 1916 /* Validate handle. */ 1917 if (handle < MAX_OUTSTANDING_COMMANDS) { 1918 sp = req->outstanding_cmds[handle]; 1919 } else 1920 sp = NULL; 1921 1922 if (sp == NULL) { 1923 ql_dbg(ql_dbg_io, vha, 0x3017, 1924 "Invalid status handle (0x%x).\n", sts->handle); 1925 1926 if (IS_QLA82XX(ha)) 1927 set_bit(FCOE_CTX_RESET_NEEDED, &vha->dpc_flags); 1928 else 1929 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags); 1930 qla2xxx_wake_dpc(vha); 1931 return; 1932 } 1933 1934 if (unlikely((state_flags & BIT_1) && (sp->type == SRB_BIDI_CMD))) { 1935 qla25xx_process_bidir_status_iocb(vha, pkt, req, handle); 1936 return; 1937 } 1938 1939 /* Fast path completion. */ 1940 if (comp_status == CS_COMPLETE && scsi_status == 0) { 1941 qla2x00_process_completed_request(vha, req, handle); 1942 1943 return; 1944 } 1945 1946 req->outstanding_cmds[handle] = NULL; 1947 cp = GET_CMD_SP(sp); 1948 if (cp == NULL) { 1949 ql_dbg(ql_dbg_io, vha, 0x3018, 1950 "Command already returned (0x%x/%p).\n", 1951 sts->handle, sp); 1952 1953 return; 1954 } 1955 1956 lscsi_status = scsi_status & STATUS_MASK; 1957 1958 fcport = sp->fcport; 1959 1960 ox_id = 0; 1961 sense_len = par_sense_len = rsp_info_len = resid_len = 1962 fw_resid_len = 0; 1963 if (IS_FWI2_CAPABLE(ha)) { 1964 if (scsi_status & SS_SENSE_LEN_VALID) 1965 sense_len = le32_to_cpu(sts24->sense_len); 1966 if (scsi_status & SS_RESPONSE_INFO_LEN_VALID) 1967 rsp_info_len = le32_to_cpu(sts24->rsp_data_len); 1968 if (scsi_status & (SS_RESIDUAL_UNDER | SS_RESIDUAL_OVER)) 1969 resid_len = le32_to_cpu(sts24->rsp_residual_count); 1970 if (comp_status == CS_DATA_UNDERRUN) 1971 fw_resid_len = le32_to_cpu(sts24->residual_len); 1972 rsp_info = sts24->data; 1973 sense_data = sts24->data; 1974 host_to_fcp_swap(sts24->data, sizeof(sts24->data)); 1975 ox_id = le16_to_cpu(sts24->ox_id); 1976 par_sense_len = sizeof(sts24->data); 1977 } else { 1978 if (scsi_status & SS_SENSE_LEN_VALID) 1979 sense_len = le16_to_cpu(sts->req_sense_length); 1980 if (scsi_status & SS_RESPONSE_INFO_LEN_VALID) 1981 rsp_info_len = le16_to_cpu(sts->rsp_info_len); 1982 resid_len = le32_to_cpu(sts->residual_length); 1983 rsp_info = sts->rsp_info; 1984 sense_data = sts->req_sense_data; 1985 par_sense_len = sizeof(sts->req_sense_data); 1986 } 1987 1988 /* Check for any FCP transport errors. */ 1989 if (scsi_status & SS_RESPONSE_INFO_LEN_VALID) { 1990 /* Sense data lies beyond any FCP RESPONSE data. */ 1991 if (IS_FWI2_CAPABLE(ha)) { 1992 sense_data += rsp_info_len; 1993 par_sense_len -= rsp_info_len; 1994 } 1995 if (rsp_info_len > 3 && rsp_info[3]) { 1996 ql_dbg(ql_dbg_io, fcport->vha, 0x3019, 1997 "FCP I/O protocol failure (0x%x/0x%x).\n", 1998 rsp_info_len, rsp_info[3]); 1999 2000 res = DID_BUS_BUSY << 16; 2001 goto out; 2002 } 2003 } 2004 2005 /* Check for overrun. */ 2006 if (IS_FWI2_CAPABLE(ha) && comp_status == CS_COMPLETE && 2007 scsi_status & SS_RESIDUAL_OVER) 2008 comp_status = CS_DATA_OVERRUN; 2009 2010 /* 2011 * Based on Host and scsi status generate status code for Linux 2012 */ 2013 switch (comp_status) { 2014 case CS_COMPLETE: 2015 case CS_QUEUE_FULL: 2016 if (scsi_status == 0) { 2017 res = DID_OK << 16; 2018 break; 2019 } 2020 if (scsi_status & (SS_RESIDUAL_UNDER | SS_RESIDUAL_OVER)) { 2021 resid = resid_len; 2022 scsi_set_resid(cp, resid); 2023 2024 if (!lscsi_status && 2025 ((unsigned)(scsi_bufflen(cp) - resid) < 2026 cp->underflow)) { 2027 ql_dbg(ql_dbg_io, fcport->vha, 0x301a, 2028 "Mid-layer underflow " 2029 "detected (0x%x of 0x%x bytes).\n", 2030 resid, scsi_bufflen(cp)); 2031 2032 res = DID_ERROR << 16; 2033 break; 2034 } 2035 } 2036 res = DID_OK << 16 | lscsi_status; 2037 2038 if (lscsi_status == SAM_STAT_TASK_SET_FULL) { 2039 ql_dbg(ql_dbg_io, fcport->vha, 0x301b, 2040 "QUEUE FULL detected.\n"); 2041 break; 2042 } 2043 logit = 0; 2044 if (lscsi_status != SS_CHECK_CONDITION) 2045 break; 2046 2047 memset(cp->sense_buffer, 0, SCSI_SENSE_BUFFERSIZE); 2048 if (!(scsi_status & SS_SENSE_LEN_VALID)) 2049 break; 2050 2051 qla2x00_handle_sense(sp, sense_data, par_sense_len, sense_len, 2052 rsp, res); 2053 break; 2054 2055 case CS_DATA_UNDERRUN: 2056 /* Use F/W calculated residual length. */ 2057 resid = IS_FWI2_CAPABLE(ha) ? fw_resid_len : resid_len; 2058 scsi_set_resid(cp, resid); 2059 if (scsi_status & SS_RESIDUAL_UNDER) { 2060 if (IS_FWI2_CAPABLE(ha) && fw_resid_len != resid_len) { 2061 ql_dbg(ql_dbg_io, fcport->vha, 0x301d, 2062 "Dropped frame(s) detected " 2063 "(0x%x of 0x%x bytes).\n", 2064 resid, scsi_bufflen(cp)); 2065 2066 res = DID_ERROR << 16 | lscsi_status; 2067 goto check_scsi_status; 2068 } 2069 2070 if (!lscsi_status && 2071 ((unsigned)(scsi_bufflen(cp) - resid) < 2072 cp->underflow)) { 2073 ql_dbg(ql_dbg_io, fcport->vha, 0x301e, 2074 "Mid-layer underflow " 2075 "detected (0x%x of 0x%x bytes).\n", 2076 resid, scsi_bufflen(cp)); 2077 2078 res = DID_ERROR << 16; 2079 break; 2080 } 2081 } else if (lscsi_status != SAM_STAT_TASK_SET_FULL && 2082 lscsi_status != SAM_STAT_BUSY) { 2083 /* 2084 * scsi status of task set and busy are considered to be 2085 * task not completed. 2086 */ 2087 2088 ql_dbg(ql_dbg_io, fcport->vha, 0x301f, 2089 "Dropped frame(s) detected (0x%x " 2090 "of 0x%x bytes).\n", resid, 2091 scsi_bufflen(cp)); 2092 2093 res = DID_ERROR << 16 | lscsi_status; 2094 goto check_scsi_status; 2095 } else { 2096 ql_dbg(ql_dbg_io, fcport->vha, 0x3030, 2097 "scsi_status: 0x%x, lscsi_status: 0x%x\n", 2098 scsi_status, lscsi_status); 2099 } 2100 2101 res = DID_OK << 16 | lscsi_status; 2102 logit = 0; 2103 2104 check_scsi_status: 2105 /* 2106 * Check to see if SCSI Status is non zero. If so report SCSI 2107 * Status. 2108 */ 2109 if (lscsi_status != 0) { 2110 if (lscsi_status == SAM_STAT_TASK_SET_FULL) { 2111 ql_dbg(ql_dbg_io, fcport->vha, 0x3020, 2112 "QUEUE FULL detected.\n"); 2113 logit = 1; 2114 break; 2115 } 2116 if (lscsi_status != SS_CHECK_CONDITION) 2117 break; 2118 2119 memset(cp->sense_buffer, 0, SCSI_SENSE_BUFFERSIZE); 2120 if (!(scsi_status & SS_SENSE_LEN_VALID)) 2121 break; 2122 2123 qla2x00_handle_sense(sp, sense_data, par_sense_len, 2124 sense_len, rsp, res); 2125 } 2126 break; 2127 2128 case CS_PORT_LOGGED_OUT: 2129 case CS_PORT_CONFIG_CHG: 2130 case CS_PORT_BUSY: 2131 case CS_INCOMPLETE: 2132 case CS_PORT_UNAVAILABLE: 2133 case CS_TIMEOUT: 2134 case CS_RESET: 2135 2136 /* 2137 * We are going to have the fc class block the rport 2138 * while we try to recover so instruct the mid layer 2139 * to requeue until the class decides how to handle this. 2140 */ 2141 res = DID_TRANSPORT_DISRUPTED << 16; 2142 2143 if (comp_status == CS_TIMEOUT) { 2144 if (IS_FWI2_CAPABLE(ha)) 2145 break; 2146 else if ((le16_to_cpu(sts->status_flags) & 2147 SF_LOGOUT_SENT) == 0) 2148 break; 2149 } 2150 2151 ql_dbg(ql_dbg_io, fcport->vha, 0x3021, 2152 "Port down status: port-state=0x%x.\n", 2153 atomic_read(&fcport->state)); 2154 2155 if (atomic_read(&fcport->state) == FCS_ONLINE) 2156 qla2x00_mark_device_lost(fcport->vha, fcport, 1, 1); 2157 break; 2158 2159 case CS_ABORTED: 2160 res = DID_RESET << 16; 2161 break; 2162 2163 case CS_DIF_ERROR: 2164 logit = qla2x00_handle_dif_error(sp, sts24); 2165 res = cp->result; 2166 break; 2167 2168 case CS_TRANSPORT: 2169 res = DID_ERROR << 16; 2170 2171 if (!IS_PI_SPLIT_DET_CAPABLE(ha)) 2172 break; 2173 2174 if (state_flags & BIT_4) 2175 scmd_printk(KERN_WARNING, cp, 2176 "Unsupported device '%s' found.\n", 2177 cp->device->vendor); 2178 break; 2179 2180 default: 2181 res = DID_ERROR << 16; 2182 break; 2183 } 2184 2185 out: 2186 if (logit) 2187 ql_dbg(ql_dbg_io, fcport->vha, 0x3022, 2188 "FCP command status: 0x%x-0x%x (0x%x) " 2189 "nexus=%ld:%d:%d portid=%02x%02x%02x oxid=0x%x " 2190 "cdb=%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x len=0x%x " 2191 "rsp_info=0x%x resid=0x%x fw_resid=0x%x.\n", 2192 comp_status, scsi_status, res, vha->host_no, 2193 cp->device->id, cp->device->lun, fcport->d_id.b.domain, 2194 fcport->d_id.b.area, fcport->d_id.b.al_pa, ox_id, 2195 cp->cmnd[0], cp->cmnd[1], cp->cmnd[2], cp->cmnd[3], 2196 cp->cmnd[4], cp->cmnd[5], cp->cmnd[6], cp->cmnd[7], 2197 cp->cmnd[8], cp->cmnd[9], scsi_bufflen(cp), rsp_info_len, 2198 resid_len, fw_resid_len); 2199 2200 if (rsp->status_srb == NULL) 2201 sp->done(ha, sp, res); 2202 } 2203 2204 /** 2205 * qla2x00_status_cont_entry() - Process a Status Continuations entry. 2206 * @ha: SCSI driver HA context 2207 * @pkt: Entry pointer 2208 * 2209 * Extended sense data. 2210 */ 2211 static void 2212 qla2x00_status_cont_entry(struct rsp_que *rsp, sts_cont_entry_t *pkt) 2213 { 2214 uint8_t sense_sz = 0; 2215 struct qla_hw_data *ha = rsp->hw; 2216 struct scsi_qla_host *vha = pci_get_drvdata(ha->pdev); 2217 srb_t *sp = rsp->status_srb; 2218 struct scsi_cmnd *cp; 2219 uint32_t sense_len; 2220 uint8_t *sense_ptr; 2221 2222 if (!sp || !GET_CMD_SENSE_LEN(sp)) 2223 return; 2224 2225 sense_len = GET_CMD_SENSE_LEN(sp); 2226 sense_ptr = GET_CMD_SENSE_PTR(sp); 2227 2228 cp = GET_CMD_SP(sp); 2229 if (cp == NULL) { 2230 ql_log(ql_log_warn, vha, 0x3025, 2231 "cmd is NULL: already returned to OS (sp=%p).\n", sp); 2232 2233 rsp->status_srb = NULL; 2234 return; 2235 } 2236 2237 if (sense_len > sizeof(pkt->data)) 2238 sense_sz = sizeof(pkt->data); 2239 else 2240 sense_sz = sense_len; 2241 2242 /* Move sense data. */ 2243 if (IS_FWI2_CAPABLE(ha)) 2244 host_to_fcp_swap(pkt->data, sizeof(pkt->data)); 2245 memcpy(sense_ptr, pkt->data, sense_sz); 2246 ql_dump_buffer(ql_dbg_io + ql_dbg_buffer, vha, 0x302c, 2247 sense_ptr, sense_sz); 2248 2249 sense_len -= sense_sz; 2250 sense_ptr += sense_sz; 2251 2252 SET_CMD_SENSE_PTR(sp, sense_ptr); 2253 SET_CMD_SENSE_LEN(sp, sense_len); 2254 2255 /* Place command on done queue. */ 2256 if (sense_len == 0) { 2257 rsp->status_srb = NULL; 2258 sp->done(ha, sp, cp->result); 2259 } 2260 } 2261 2262 /** 2263 * qla2x00_error_entry() - Process an error entry. 2264 * @ha: SCSI driver HA context 2265 * @pkt: Entry pointer 2266 */ 2267 static void 2268 qla2x00_error_entry(scsi_qla_host_t *vha, struct rsp_que *rsp, sts_entry_t *pkt) 2269 { 2270 srb_t *sp; 2271 struct qla_hw_data *ha = vha->hw; 2272 const char func[] = "ERROR-IOCB"; 2273 uint16_t que = MSW(pkt->handle); 2274 struct req_que *req = NULL; 2275 int res = DID_ERROR << 16; 2276 2277 ql_dbg(ql_dbg_async, vha, 0x502a, 2278 "type of error status in response: 0x%x\n", pkt->entry_status); 2279 2280 if (que >= ha->max_req_queues || !ha->req_q_map[que]) 2281 goto fatal; 2282 2283 req = ha->req_q_map[que]; 2284 2285 if (pkt->entry_status & RF_BUSY) 2286 res = DID_BUS_BUSY << 16; 2287 2288 sp = qla2x00_get_sp_from_handle(vha, func, req, pkt); 2289 if (sp) { 2290 sp->done(ha, sp, res); 2291 return; 2292 } 2293 fatal: 2294 ql_log(ql_log_warn, vha, 0x5030, 2295 "Error entry - invalid handle/queue.\n"); 2296 2297 if (IS_QLA82XX(ha)) 2298 set_bit(FCOE_CTX_RESET_NEEDED, &vha->dpc_flags); 2299 else 2300 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags); 2301 qla2xxx_wake_dpc(vha); 2302 } 2303 2304 /** 2305 * qla24xx_mbx_completion() - Process mailbox command completions. 2306 * @ha: SCSI driver HA context 2307 * @mb0: Mailbox0 register 2308 */ 2309 static void 2310 qla24xx_mbx_completion(scsi_qla_host_t *vha, uint16_t mb0) 2311 { 2312 uint16_t cnt; 2313 uint32_t mboxes; 2314 uint16_t __iomem *wptr; 2315 struct qla_hw_data *ha = vha->hw; 2316 struct device_reg_24xx __iomem *reg = &ha->iobase->isp24; 2317 2318 /* Read all mbox registers? */ 2319 mboxes = (1 << ha->mbx_count) - 1; 2320 if (!ha->mcp) 2321 ql_dbg(ql_dbg_async, vha, 0x504e, "MBX pointer ERRROR.\n"); 2322 else 2323 mboxes = ha->mcp->in_mb; 2324 2325 /* Load return mailbox registers. */ 2326 ha->flags.mbox_int = 1; 2327 ha->mailbox_out[0] = mb0; 2328 mboxes >>= 1; 2329 wptr = (uint16_t __iomem *)®->mailbox1; 2330 2331 for (cnt = 1; cnt < ha->mbx_count; cnt++) { 2332 if (mboxes & BIT_0) 2333 ha->mailbox_out[cnt] = RD_REG_WORD(wptr); 2334 2335 mboxes >>= 1; 2336 wptr++; 2337 } 2338 } 2339 2340 /** 2341 * qla24xx_process_response_queue() - Process response queue entries. 2342 * @ha: SCSI driver HA context 2343 */ 2344 void qla24xx_process_response_queue(struct scsi_qla_host *vha, 2345 struct rsp_que *rsp) 2346 { 2347 struct sts_entry_24xx *pkt; 2348 struct qla_hw_data *ha = vha->hw; 2349 2350 if (!vha->flags.online) 2351 return; 2352 2353 while (rsp->ring_ptr->signature != RESPONSE_PROCESSED) { 2354 pkt = (struct sts_entry_24xx *)rsp->ring_ptr; 2355 2356 rsp->ring_index++; 2357 if (rsp->ring_index == rsp->length) { 2358 rsp->ring_index = 0; 2359 rsp->ring_ptr = rsp->ring; 2360 } else { 2361 rsp->ring_ptr++; 2362 } 2363 2364 if (pkt->entry_status != 0) { 2365 qla2x00_error_entry(vha, rsp, (sts_entry_t *) pkt); 2366 2367 (void)qlt_24xx_process_response_error(vha, pkt); 2368 2369 ((response_t *)pkt)->signature = RESPONSE_PROCESSED; 2370 wmb(); 2371 continue; 2372 } 2373 2374 switch (pkt->entry_type) { 2375 case STATUS_TYPE: 2376 qla2x00_status_entry(vha, rsp, pkt); 2377 break; 2378 case STATUS_CONT_TYPE: 2379 qla2x00_status_cont_entry(rsp, (sts_cont_entry_t *)pkt); 2380 break; 2381 case VP_RPT_ID_IOCB_TYPE: 2382 qla24xx_report_id_acquisition(vha, 2383 (struct vp_rpt_id_entry_24xx *)pkt); 2384 break; 2385 case LOGINOUT_PORT_IOCB_TYPE: 2386 qla24xx_logio_entry(vha, rsp->req, 2387 (struct logio_entry_24xx *)pkt); 2388 break; 2389 case TSK_MGMT_IOCB_TYPE: 2390 qla24xx_tm_iocb_entry(vha, rsp->req, 2391 (struct tsk_mgmt_entry *)pkt); 2392 break; 2393 case CT_IOCB_TYPE: 2394 qla24xx_els_ct_entry(vha, rsp->req, pkt, CT_IOCB_TYPE); 2395 break; 2396 case ELS_IOCB_TYPE: 2397 qla24xx_els_ct_entry(vha, rsp->req, pkt, ELS_IOCB_TYPE); 2398 break; 2399 case ABTS_RECV_24XX: 2400 /* ensure that the ATIO queue is empty */ 2401 qlt_24xx_process_atio_queue(vha); 2402 case ABTS_RESP_24XX: 2403 case CTIO_TYPE7: 2404 case NOTIFY_ACK_TYPE: 2405 qlt_response_pkt_all_vps(vha, (response_t *)pkt); 2406 break; 2407 case MARKER_TYPE: 2408 /* Do nothing in this case, this check is to prevent it 2409 * from falling into default case 2410 */ 2411 break; 2412 default: 2413 /* Type Not Supported. */ 2414 ql_dbg(ql_dbg_async, vha, 0x5042, 2415 "Received unknown response pkt type %x " 2416 "entry status=%x.\n", 2417 pkt->entry_type, pkt->entry_status); 2418 break; 2419 } 2420 ((response_t *)pkt)->signature = RESPONSE_PROCESSED; 2421 wmb(); 2422 } 2423 2424 /* Adjust ring index */ 2425 if (IS_QLA82XX(ha)) { 2426 struct device_reg_82xx __iomem *reg = &ha->iobase->isp82; 2427 WRT_REG_DWORD(®->rsp_q_out[0], rsp->ring_index); 2428 } else 2429 WRT_REG_DWORD(rsp->rsp_q_out, rsp->ring_index); 2430 } 2431 2432 static void 2433 qla2xxx_check_risc_status(scsi_qla_host_t *vha) 2434 { 2435 int rval; 2436 uint32_t cnt; 2437 struct qla_hw_data *ha = vha->hw; 2438 struct device_reg_24xx __iomem *reg = &ha->iobase->isp24; 2439 2440 if (!IS_QLA25XX(ha) && !IS_QLA81XX(ha) && !IS_QLA83XX(ha)) 2441 return; 2442 2443 rval = QLA_SUCCESS; 2444 WRT_REG_DWORD(®->iobase_addr, 0x7C00); 2445 RD_REG_DWORD(®->iobase_addr); 2446 WRT_REG_DWORD(®->iobase_window, 0x0001); 2447 for (cnt = 10000; (RD_REG_DWORD(®->iobase_window) & BIT_0) == 0 && 2448 rval == QLA_SUCCESS; cnt--) { 2449 if (cnt) { 2450 WRT_REG_DWORD(®->iobase_window, 0x0001); 2451 udelay(10); 2452 } else 2453 rval = QLA_FUNCTION_TIMEOUT; 2454 } 2455 if (rval == QLA_SUCCESS) 2456 goto next_test; 2457 2458 WRT_REG_DWORD(®->iobase_window, 0x0003); 2459 for (cnt = 100; (RD_REG_DWORD(®->iobase_window) & BIT_0) == 0 && 2460 rval == QLA_SUCCESS; cnt--) { 2461 if (cnt) { 2462 WRT_REG_DWORD(®->iobase_window, 0x0003); 2463 udelay(10); 2464 } else 2465 rval = QLA_FUNCTION_TIMEOUT; 2466 } 2467 if (rval != QLA_SUCCESS) 2468 goto done; 2469 2470 next_test: 2471 if (RD_REG_DWORD(®->iobase_c8) & BIT_3) 2472 ql_log(ql_log_info, vha, 0x504c, 2473 "Additional code -- 0x55AA.\n"); 2474 2475 done: 2476 WRT_REG_DWORD(®->iobase_window, 0x0000); 2477 RD_REG_DWORD(®->iobase_window); 2478 } 2479 2480 /** 2481 * qla24xx_intr_handler() - Process interrupts for the ISP23xx and ISP24xx. 2482 * @irq: 2483 * @dev_id: SCSI driver HA context 2484 * 2485 * Called by system whenever the host adapter generates an interrupt. 2486 * 2487 * Returns handled flag. 2488 */ 2489 irqreturn_t 2490 qla24xx_intr_handler(int irq, void *dev_id) 2491 { 2492 scsi_qla_host_t *vha; 2493 struct qla_hw_data *ha; 2494 struct device_reg_24xx __iomem *reg; 2495 int status; 2496 unsigned long iter; 2497 uint32_t stat; 2498 uint32_t hccr; 2499 uint16_t mb[8]; 2500 struct rsp_que *rsp; 2501 unsigned long flags; 2502 2503 rsp = (struct rsp_que *) dev_id; 2504 if (!rsp) { 2505 ql_log(ql_log_info, NULL, 0x5059, 2506 "%s: NULL response queue pointer.\n", __func__); 2507 return IRQ_NONE; 2508 } 2509 2510 ha = rsp->hw; 2511 reg = &ha->iobase->isp24; 2512 status = 0; 2513 2514 if (unlikely(pci_channel_offline(ha->pdev))) 2515 return IRQ_HANDLED; 2516 2517 spin_lock_irqsave(&ha->hardware_lock, flags); 2518 vha = pci_get_drvdata(ha->pdev); 2519 for (iter = 50; iter--; ) { 2520 stat = RD_REG_DWORD(®->host_status); 2521 if (stat & HSRX_RISC_PAUSED) { 2522 if (unlikely(pci_channel_offline(ha->pdev))) 2523 break; 2524 2525 hccr = RD_REG_DWORD(®->hccr); 2526 2527 ql_log(ql_log_warn, vha, 0x504b, 2528 "RISC paused -- HCCR=%x, Dumping firmware.\n", 2529 hccr); 2530 2531 qla2xxx_check_risc_status(vha); 2532 2533 ha->isp_ops->fw_dump(vha, 1); 2534 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags); 2535 break; 2536 } else if ((stat & HSRX_RISC_INT) == 0) 2537 break; 2538 2539 switch (stat & 0xff) { 2540 case INTR_ROM_MB_SUCCESS: 2541 case INTR_ROM_MB_FAILED: 2542 case INTR_MB_SUCCESS: 2543 case INTR_MB_FAILED: 2544 qla24xx_mbx_completion(vha, MSW(stat)); 2545 status |= MBX_INTERRUPT; 2546 2547 break; 2548 case INTR_ASYNC_EVENT: 2549 mb[0] = MSW(stat); 2550 mb[1] = RD_REG_WORD(®->mailbox1); 2551 mb[2] = RD_REG_WORD(®->mailbox2); 2552 mb[3] = RD_REG_WORD(®->mailbox3); 2553 qla2x00_async_event(vha, rsp, mb); 2554 break; 2555 case INTR_RSP_QUE_UPDATE: 2556 case INTR_RSP_QUE_UPDATE_83XX: 2557 qla24xx_process_response_queue(vha, rsp); 2558 break; 2559 case INTR_ATIO_QUE_UPDATE: 2560 qlt_24xx_process_atio_queue(vha); 2561 break; 2562 case INTR_ATIO_RSP_QUE_UPDATE: 2563 qlt_24xx_process_atio_queue(vha); 2564 qla24xx_process_response_queue(vha, rsp); 2565 break; 2566 default: 2567 ql_dbg(ql_dbg_async, vha, 0x504f, 2568 "Unrecognized interrupt type (%d).\n", stat * 0xff); 2569 break; 2570 } 2571 WRT_REG_DWORD(®->hccr, HCCRX_CLR_RISC_INT); 2572 RD_REG_DWORD_RELAXED(®->hccr); 2573 if (unlikely(IS_QLA83XX(ha) && (ha->pdev->revision == 1))) 2574 ndelay(3500); 2575 } 2576 spin_unlock_irqrestore(&ha->hardware_lock, flags); 2577 2578 if (test_bit(MBX_INTR_WAIT, &ha->mbx_cmd_flags) && 2579 (status & MBX_INTERRUPT) && ha->flags.mbox_int) { 2580 set_bit(MBX_INTERRUPT, &ha->mbx_cmd_flags); 2581 complete(&ha->mbx_intr_comp); 2582 } 2583 2584 return IRQ_HANDLED; 2585 } 2586 2587 static irqreturn_t 2588 qla24xx_msix_rsp_q(int irq, void *dev_id) 2589 { 2590 struct qla_hw_data *ha; 2591 struct rsp_que *rsp; 2592 struct device_reg_24xx __iomem *reg; 2593 struct scsi_qla_host *vha; 2594 unsigned long flags; 2595 2596 rsp = (struct rsp_que *) dev_id; 2597 if (!rsp) { 2598 ql_log(ql_log_info, NULL, 0x505a, 2599 "%s: NULL response queue pointer.\n", __func__); 2600 return IRQ_NONE; 2601 } 2602 ha = rsp->hw; 2603 reg = &ha->iobase->isp24; 2604 2605 spin_lock_irqsave(&ha->hardware_lock, flags); 2606 2607 vha = pci_get_drvdata(ha->pdev); 2608 qla24xx_process_response_queue(vha, rsp); 2609 if (!ha->flags.disable_msix_handshake) { 2610 WRT_REG_DWORD(®->hccr, HCCRX_CLR_RISC_INT); 2611 RD_REG_DWORD_RELAXED(®->hccr); 2612 } 2613 spin_unlock_irqrestore(&ha->hardware_lock, flags); 2614 2615 return IRQ_HANDLED; 2616 } 2617 2618 static irqreturn_t 2619 qla25xx_msix_rsp_q(int irq, void *dev_id) 2620 { 2621 struct qla_hw_data *ha; 2622 struct rsp_que *rsp; 2623 struct device_reg_24xx __iomem *reg; 2624 unsigned long flags; 2625 2626 rsp = (struct rsp_que *) dev_id; 2627 if (!rsp) { 2628 ql_log(ql_log_info, NULL, 0x505b, 2629 "%s: NULL response queue pointer.\n", __func__); 2630 return IRQ_NONE; 2631 } 2632 ha = rsp->hw; 2633 2634 /* Clear the interrupt, if enabled, for this response queue */ 2635 if (!ha->flags.disable_msix_handshake) { 2636 reg = &ha->iobase->isp24; 2637 spin_lock_irqsave(&ha->hardware_lock, flags); 2638 WRT_REG_DWORD(®->hccr, HCCRX_CLR_RISC_INT); 2639 RD_REG_DWORD_RELAXED(®->hccr); 2640 spin_unlock_irqrestore(&ha->hardware_lock, flags); 2641 } 2642 queue_work_on((int) (rsp->id - 1), ha->wq, &rsp->q_work); 2643 2644 return IRQ_HANDLED; 2645 } 2646 2647 static irqreturn_t 2648 qla24xx_msix_default(int irq, void *dev_id) 2649 { 2650 scsi_qla_host_t *vha; 2651 struct qla_hw_data *ha; 2652 struct rsp_que *rsp; 2653 struct device_reg_24xx __iomem *reg; 2654 int status; 2655 uint32_t stat; 2656 uint32_t hccr; 2657 uint16_t mb[8]; 2658 unsigned long flags; 2659 2660 rsp = (struct rsp_que *) dev_id; 2661 if (!rsp) { 2662 ql_log(ql_log_info, NULL, 0x505c, 2663 "%s: NULL response queue pointer.\n", __func__); 2664 return IRQ_NONE; 2665 } 2666 ha = rsp->hw; 2667 reg = &ha->iobase->isp24; 2668 status = 0; 2669 2670 spin_lock_irqsave(&ha->hardware_lock, flags); 2671 vha = pci_get_drvdata(ha->pdev); 2672 do { 2673 stat = RD_REG_DWORD(®->host_status); 2674 if (stat & HSRX_RISC_PAUSED) { 2675 if (unlikely(pci_channel_offline(ha->pdev))) 2676 break; 2677 2678 hccr = RD_REG_DWORD(®->hccr); 2679 2680 ql_log(ql_log_info, vha, 0x5050, 2681 "RISC paused -- HCCR=%x, Dumping firmware.\n", 2682 hccr); 2683 2684 qla2xxx_check_risc_status(vha); 2685 2686 ha->isp_ops->fw_dump(vha, 1); 2687 set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags); 2688 break; 2689 } else if ((stat & HSRX_RISC_INT) == 0) 2690 break; 2691 2692 switch (stat & 0xff) { 2693 case INTR_ROM_MB_SUCCESS: 2694 case INTR_ROM_MB_FAILED: 2695 case INTR_MB_SUCCESS: 2696 case INTR_MB_FAILED: 2697 qla24xx_mbx_completion(vha, MSW(stat)); 2698 status |= MBX_INTERRUPT; 2699 2700 break; 2701 case INTR_ASYNC_EVENT: 2702 mb[0] = MSW(stat); 2703 mb[1] = RD_REG_WORD(®->mailbox1); 2704 mb[2] = RD_REG_WORD(®->mailbox2); 2705 mb[3] = RD_REG_WORD(®->mailbox3); 2706 qla2x00_async_event(vha, rsp, mb); 2707 break; 2708 case INTR_RSP_QUE_UPDATE: 2709 case INTR_RSP_QUE_UPDATE_83XX: 2710 qla24xx_process_response_queue(vha, rsp); 2711 break; 2712 case INTR_ATIO_QUE_UPDATE: 2713 qlt_24xx_process_atio_queue(vha); 2714 break; 2715 case INTR_ATIO_RSP_QUE_UPDATE: 2716 qlt_24xx_process_atio_queue(vha); 2717 qla24xx_process_response_queue(vha, rsp); 2718 break; 2719 default: 2720 ql_dbg(ql_dbg_async, vha, 0x5051, 2721 "Unrecognized interrupt type (%d).\n", stat & 0xff); 2722 break; 2723 } 2724 WRT_REG_DWORD(®->hccr, HCCRX_CLR_RISC_INT); 2725 } while (0); 2726 spin_unlock_irqrestore(&ha->hardware_lock, flags); 2727 2728 if (test_bit(MBX_INTR_WAIT, &ha->mbx_cmd_flags) && 2729 (status & MBX_INTERRUPT) && ha->flags.mbox_int) { 2730 set_bit(MBX_INTERRUPT, &ha->mbx_cmd_flags); 2731 complete(&ha->mbx_intr_comp); 2732 } 2733 return IRQ_HANDLED; 2734 } 2735 2736 /* Interrupt handling helpers. */ 2737 2738 struct qla_init_msix_entry { 2739 const char *name; 2740 irq_handler_t handler; 2741 }; 2742 2743 static struct qla_init_msix_entry msix_entries[3] = { 2744 { "qla2xxx (default)", qla24xx_msix_default }, 2745 { "qla2xxx (rsp_q)", qla24xx_msix_rsp_q }, 2746 { "qla2xxx (multiq)", qla25xx_msix_rsp_q }, 2747 }; 2748 2749 static struct qla_init_msix_entry qla82xx_msix_entries[2] = { 2750 { "qla2xxx (default)", qla82xx_msix_default }, 2751 { "qla2xxx (rsp_q)", qla82xx_msix_rsp_q }, 2752 }; 2753 2754 static void 2755 qla24xx_disable_msix(struct qla_hw_data *ha) 2756 { 2757 int i; 2758 struct qla_msix_entry *qentry; 2759 scsi_qla_host_t *vha = pci_get_drvdata(ha->pdev); 2760 2761 for (i = 0; i < ha->msix_count; i++) { 2762 qentry = &ha->msix_entries[i]; 2763 if (qentry->have_irq) 2764 free_irq(qentry->vector, qentry->rsp); 2765 } 2766 pci_disable_msix(ha->pdev); 2767 kfree(ha->msix_entries); 2768 ha->msix_entries = NULL; 2769 ha->flags.msix_enabled = 0; 2770 ql_dbg(ql_dbg_init, vha, 0x0042, 2771 "Disabled the MSI.\n"); 2772 } 2773 2774 static int 2775 qla24xx_enable_msix(struct qla_hw_data *ha, struct rsp_que *rsp) 2776 { 2777 #define MIN_MSIX_COUNT 2 2778 int i, ret; 2779 struct msix_entry *entries; 2780 struct qla_msix_entry *qentry; 2781 scsi_qla_host_t *vha = pci_get_drvdata(ha->pdev); 2782 2783 entries = kzalloc(sizeof(struct msix_entry) * ha->msix_count, 2784 GFP_KERNEL); 2785 if (!entries) { 2786 ql_log(ql_log_warn, vha, 0x00bc, 2787 "Failed to allocate memory for msix_entry.\n"); 2788 return -ENOMEM; 2789 } 2790 2791 for (i = 0; i < ha->msix_count; i++) 2792 entries[i].entry = i; 2793 2794 ret = pci_enable_msix(ha->pdev, entries, ha->msix_count); 2795 if (ret) { 2796 if (ret < MIN_MSIX_COUNT) 2797 goto msix_failed; 2798 2799 ql_log(ql_log_warn, vha, 0x00c6, 2800 "MSI-X: Failed to enable support " 2801 "-- %d/%d\n Retry with %d vectors.\n", 2802 ha->msix_count, ret, ret); 2803 ha->msix_count = ret; 2804 ret = pci_enable_msix(ha->pdev, entries, ha->msix_count); 2805 if (ret) { 2806 msix_failed: 2807 ql_log(ql_log_fatal, vha, 0x00c7, 2808 "MSI-X: Failed to enable support, " 2809 "giving up -- %d/%d.\n", 2810 ha->msix_count, ret); 2811 goto msix_out; 2812 } 2813 ha->max_rsp_queues = ha->msix_count - 1; 2814 } 2815 ha->msix_entries = kzalloc(sizeof(struct qla_msix_entry) * 2816 ha->msix_count, GFP_KERNEL); 2817 if (!ha->msix_entries) { 2818 ql_log(ql_log_fatal, vha, 0x00c8, 2819 "Failed to allocate memory for ha->msix_entries.\n"); 2820 ret = -ENOMEM; 2821 goto msix_out; 2822 } 2823 ha->flags.msix_enabled = 1; 2824 2825 for (i = 0; i < ha->msix_count; i++) { 2826 qentry = &ha->msix_entries[i]; 2827 qentry->vector = entries[i].vector; 2828 qentry->entry = entries[i].entry; 2829 qentry->have_irq = 0; 2830 qentry->rsp = NULL; 2831 } 2832 2833 /* Enable MSI-X vectors for the base queue */ 2834 for (i = 0; i < 2; i++) { 2835 qentry = &ha->msix_entries[i]; 2836 if (IS_QLA82XX(ha)) { 2837 ret = request_irq(qentry->vector, 2838 qla82xx_msix_entries[i].handler, 2839 0, qla82xx_msix_entries[i].name, rsp); 2840 } else { 2841 ret = request_irq(qentry->vector, 2842 msix_entries[i].handler, 2843 0, msix_entries[i].name, rsp); 2844 } 2845 if (ret) { 2846 ql_log(ql_log_fatal, vha, 0x00cb, 2847 "MSI-X: unable to register handler -- %x/%d.\n", 2848 qentry->vector, ret); 2849 qla24xx_disable_msix(ha); 2850 ha->mqenable = 0; 2851 goto msix_out; 2852 } 2853 qentry->have_irq = 1; 2854 qentry->rsp = rsp; 2855 rsp->msix = qentry; 2856 } 2857 2858 /* Enable MSI-X vector for response queue update for queue 0 */ 2859 if (IS_QLA83XX(ha)) { 2860 if (ha->msixbase && ha->mqiobase && 2861 (ha->max_rsp_queues > 1 || ha->max_req_queues > 1)) 2862 ha->mqenable = 1; 2863 } else 2864 if (ha->mqiobase 2865 && (ha->max_rsp_queues > 1 || ha->max_req_queues > 1)) 2866 ha->mqenable = 1; 2867 ql_dbg(ql_dbg_multiq, vha, 0xc005, 2868 "mqiobase=%p, max_rsp_queues=%d, max_req_queues=%d.\n", 2869 ha->mqiobase, ha->max_rsp_queues, ha->max_req_queues); 2870 ql_dbg(ql_dbg_init, vha, 0x0055, 2871 "mqiobase=%p, max_rsp_queues=%d, max_req_queues=%d.\n", 2872 ha->mqiobase, ha->max_rsp_queues, ha->max_req_queues); 2873 2874 msix_out: 2875 kfree(entries); 2876 return ret; 2877 } 2878 2879 int 2880 qla2x00_request_irqs(struct qla_hw_data *ha, struct rsp_que *rsp) 2881 { 2882 int ret; 2883 device_reg_t __iomem *reg = ha->iobase; 2884 scsi_qla_host_t *vha = pci_get_drvdata(ha->pdev); 2885 2886 /* If possible, enable MSI-X. */ 2887 if (!IS_QLA2432(ha) && !IS_QLA2532(ha) && !IS_QLA8432(ha) && 2888 !IS_CNA_CAPABLE(ha) && !IS_QLA2031(ha)) 2889 goto skip_msi; 2890 2891 if (ha->pdev->subsystem_vendor == PCI_VENDOR_ID_HP && 2892 (ha->pdev->subsystem_device == 0x7040 || 2893 ha->pdev->subsystem_device == 0x7041 || 2894 ha->pdev->subsystem_device == 0x1705)) { 2895 ql_log(ql_log_warn, vha, 0x0034, 2896 "MSI-X: Unsupported ISP 2432 SSVID/SSDID (0x%X,0x%X).\n", 2897 ha->pdev->subsystem_vendor, 2898 ha->pdev->subsystem_device); 2899 goto skip_msi; 2900 } 2901 2902 if (IS_QLA2432(ha) && (ha->pdev->revision < QLA_MSIX_CHIP_REV_24XX)) { 2903 ql_log(ql_log_warn, vha, 0x0035, 2904 "MSI-X; Unsupported ISP2432 (0x%X, 0x%X).\n", 2905 ha->pdev->revision, QLA_MSIX_CHIP_REV_24XX); 2906 goto skip_msix; 2907 } 2908 2909 ret = qla24xx_enable_msix(ha, rsp); 2910 if (!ret) { 2911 ql_dbg(ql_dbg_init, vha, 0x0036, 2912 "MSI-X: Enabled (0x%X, 0x%X).\n", 2913 ha->chip_revision, ha->fw_attributes); 2914 goto clear_risc_ints; 2915 } 2916 ql_log(ql_log_info, vha, 0x0037, 2917 "MSI-X Falling back-to MSI mode -%d.\n", ret); 2918 skip_msix: 2919 2920 if (!IS_QLA24XX(ha) && !IS_QLA2532(ha) && !IS_QLA8432(ha) && 2921 !IS_QLA8001(ha) && !IS_QLA82XX(ha)) 2922 goto skip_msi; 2923 2924 ret = pci_enable_msi(ha->pdev); 2925 if (!ret) { 2926 ql_dbg(ql_dbg_init, vha, 0x0038, 2927 "MSI: Enabled.\n"); 2928 ha->flags.msi_enabled = 1; 2929 } else 2930 ql_log(ql_log_warn, vha, 0x0039, 2931 "MSI-X; Falling back-to INTa mode -- %d.\n", ret); 2932 2933 /* Skip INTx on ISP82xx. */ 2934 if (!ha->flags.msi_enabled && IS_QLA82XX(ha)) 2935 return QLA_FUNCTION_FAILED; 2936 2937 skip_msi: 2938 2939 ret = request_irq(ha->pdev->irq, ha->isp_ops->intr_handler, 2940 ha->flags.msi_enabled ? 0 : IRQF_SHARED, 2941 QLA2XXX_DRIVER_NAME, rsp); 2942 if (ret) { 2943 ql_log(ql_log_warn, vha, 0x003a, 2944 "Failed to reserve interrupt %d already in use.\n", 2945 ha->pdev->irq); 2946 goto fail; 2947 } 2948 2949 clear_risc_ints: 2950 2951 spin_lock_irq(&ha->hardware_lock); 2952 if (!IS_FWI2_CAPABLE(ha)) 2953 WRT_REG_WORD(®->isp.semaphore, 0); 2954 spin_unlock_irq(&ha->hardware_lock); 2955 2956 fail: 2957 return ret; 2958 } 2959 2960 void 2961 qla2x00_free_irqs(scsi_qla_host_t *vha) 2962 { 2963 struct qla_hw_data *ha = vha->hw; 2964 struct rsp_que *rsp; 2965 2966 /* 2967 * We need to check that ha->rsp_q_map is valid in case we are called 2968 * from a probe failure context. 2969 */ 2970 if (!ha->rsp_q_map || !ha->rsp_q_map[0]) 2971 return; 2972 rsp = ha->rsp_q_map[0]; 2973 2974 if (ha->flags.msix_enabled) 2975 qla24xx_disable_msix(ha); 2976 else if (ha->flags.msi_enabled) { 2977 free_irq(ha->pdev->irq, rsp); 2978 pci_disable_msi(ha->pdev); 2979 } else 2980 free_irq(ha->pdev->irq, rsp); 2981 } 2982 2983 2984 int qla25xx_request_irq(struct rsp_que *rsp) 2985 { 2986 struct qla_hw_data *ha = rsp->hw; 2987 struct qla_init_msix_entry *intr = &msix_entries[2]; 2988 struct qla_msix_entry *msix = rsp->msix; 2989 scsi_qla_host_t *vha = pci_get_drvdata(ha->pdev); 2990 int ret; 2991 2992 ret = request_irq(msix->vector, intr->handler, 0, intr->name, rsp); 2993 if (ret) { 2994 ql_log(ql_log_fatal, vha, 0x00e6, 2995 "MSI-X: Unable to register handler -- %x/%d.\n", 2996 msix->vector, ret); 2997 return ret; 2998 } 2999 msix->have_irq = 1; 3000 msix->rsp = rsp; 3001 return ret; 3002 } 3003