1 /* 2 * PMC-Sierra PM8001/8081/8088/8089 SAS/SATA based host adapters driver 3 * 4 * Copyright (c) 2008-2009 USI Co., Ltd. 5 * All rights reserved. 6 * 7 * Redistribution and use in source and binary forms, with or without 8 * modification, are permitted provided that the following conditions 9 * are met: 10 * 1. Redistributions of source code must retain the above copyright 11 * notice, this list of conditions, and the following disclaimer, 12 * without modification. 13 * 2. Redistributions in binary form must reproduce at minimum a disclaimer 14 * substantially similar to the "NO WARRANTY" disclaimer below 15 * ("Disclaimer") and any redistribution must be conditioned upon 16 * including a substantially similar Disclaimer requirement for further 17 * binary redistribution. 18 * 3. Neither the names of the above-listed copyright holders nor the names 19 * of any contributors may be used to endorse or promote products derived 20 * from this software without specific prior written permission. 21 * 22 * Alternatively, this software may be distributed under the terms of the 23 * GNU General Public License ("GPL") version 2 as published by the Free 24 * Software Foundation. 25 * 26 * NO WARRANTY 27 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 28 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 29 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR 30 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 31 * HOLDERS OR CONTRIBUTORS BE LIABLE FOR SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 32 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 33 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 34 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, 35 * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING 36 * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 37 * POSSIBILITY OF SUCH DAMAGES. 38 * 39 */ 40 41 #include <linux/slab.h> 42 #include "pm8001_sas.h" 43 #include "pm8001_chips.h" 44 #include "pm80xx_hwi.h" 45 46 static ulong logging_level = PM8001_FAIL_LOGGING | PM8001_IOERR_LOGGING; 47 module_param(logging_level, ulong, 0644); 48 MODULE_PARM_DESC(logging_level, " bits for enabling logging info."); 49 50 static ulong link_rate = LINKRATE_15 | LINKRATE_30 | LINKRATE_60 | LINKRATE_120; 51 module_param(link_rate, ulong, 0644); 52 MODULE_PARM_DESC(link_rate, "Enable link rate.\n" 53 " 1: Link rate 1.5G\n" 54 " 2: Link rate 3.0G\n" 55 " 4: Link rate 6.0G\n" 56 " 8: Link rate 12.0G\n"); 57 58 static struct scsi_transport_template *pm8001_stt; 59 static int pm8001_init_ccb_tag(struct pm8001_hba_info *, struct Scsi_Host *, struct pci_dev *); 60 61 /* 62 * chip info structure to identify chip key functionality as 63 * encryption available/not, no of ports, hw specific function ref 64 */ 65 static const struct pm8001_chip_info pm8001_chips[] = { 66 [chip_8001] = {0, 8, &pm8001_8001_dispatch,}, 67 [chip_8008] = {0, 8, &pm8001_80xx_dispatch,}, 68 [chip_8009] = {1, 8, &pm8001_80xx_dispatch,}, 69 [chip_8018] = {0, 16, &pm8001_80xx_dispatch,}, 70 [chip_8019] = {1, 16, &pm8001_80xx_dispatch,}, 71 [chip_8074] = {0, 8, &pm8001_80xx_dispatch,}, 72 [chip_8076] = {0, 16, &pm8001_80xx_dispatch,}, 73 [chip_8077] = {0, 16, &pm8001_80xx_dispatch,}, 74 [chip_8006] = {0, 16, &pm8001_80xx_dispatch,}, 75 [chip_8070] = {0, 8, &pm8001_80xx_dispatch,}, 76 [chip_8072] = {0, 16, &pm8001_80xx_dispatch,}, 77 }; 78 static int pm8001_id; 79 80 LIST_HEAD(hba_list); 81 82 struct workqueue_struct *pm8001_wq; 83 84 /* 85 * The main structure which LLDD must register for scsi core. 86 */ 87 static struct scsi_host_template pm8001_sht = { 88 .module = THIS_MODULE, 89 .name = DRV_NAME, 90 .queuecommand = sas_queuecommand, 91 .dma_need_drain = ata_scsi_dma_need_drain, 92 .target_alloc = sas_target_alloc, 93 .slave_configure = sas_slave_configure, 94 .scan_finished = pm8001_scan_finished, 95 .scan_start = pm8001_scan_start, 96 .change_queue_depth = sas_change_queue_depth, 97 .bios_param = sas_bios_param, 98 .can_queue = 1, 99 .this_id = -1, 100 .sg_tablesize = PM8001_MAX_DMA_SG, 101 .max_sectors = SCSI_DEFAULT_MAX_SECTORS, 102 .eh_device_reset_handler = sas_eh_device_reset_handler, 103 .eh_target_reset_handler = sas_eh_target_reset_handler, 104 .slave_alloc = sas_slave_alloc, 105 .target_destroy = sas_target_destroy, 106 .ioctl = sas_ioctl, 107 #ifdef CONFIG_COMPAT 108 .compat_ioctl = sas_ioctl, 109 #endif 110 .shost_groups = pm8001_host_groups, 111 .track_queue_depth = 1, 112 }; 113 114 /* 115 * Sas layer call this function to execute specific task. 116 */ 117 static struct sas_domain_function_template pm8001_transport_ops = { 118 .lldd_dev_found = pm8001_dev_found, 119 .lldd_dev_gone = pm8001_dev_gone, 120 121 .lldd_execute_task = pm8001_queue_command, 122 .lldd_control_phy = pm8001_phy_control, 123 124 .lldd_abort_task = pm8001_abort_task, 125 .lldd_abort_task_set = sas_abort_task_set, 126 .lldd_clear_task_set = pm8001_clear_task_set, 127 .lldd_I_T_nexus_reset = pm8001_I_T_nexus_reset, 128 .lldd_lu_reset = pm8001_lu_reset, 129 .lldd_query_task = pm8001_query_task, 130 .lldd_port_formed = pm8001_port_formed, 131 .lldd_tmf_exec_complete = pm8001_setds_completion, 132 .lldd_tmf_aborted = pm8001_tmf_aborted, 133 }; 134 135 /** 136 * pm8001_phy_init - initiate our adapter phys 137 * @pm8001_ha: our hba structure. 138 * @phy_id: phy id. 139 */ 140 static void pm8001_phy_init(struct pm8001_hba_info *pm8001_ha, int phy_id) 141 { 142 struct pm8001_phy *phy = &pm8001_ha->phy[phy_id]; 143 struct asd_sas_phy *sas_phy = &phy->sas_phy; 144 phy->phy_state = PHY_LINK_DISABLE; 145 phy->pm8001_ha = pm8001_ha; 146 sas_phy->enabled = (phy_id < pm8001_ha->chip->n_phy) ? 1 : 0; 147 sas_phy->class = SAS; 148 sas_phy->iproto = SAS_PROTOCOL_ALL; 149 sas_phy->tproto = 0; 150 sas_phy->type = PHY_TYPE_PHYSICAL; 151 sas_phy->role = PHY_ROLE_INITIATOR; 152 sas_phy->oob_mode = OOB_NOT_CONNECTED; 153 sas_phy->linkrate = SAS_LINK_RATE_UNKNOWN; 154 sas_phy->id = phy_id; 155 sas_phy->sas_addr = (u8 *)&phy->dev_sas_addr; 156 sas_phy->frame_rcvd = &phy->frame_rcvd[0]; 157 sas_phy->ha = (struct sas_ha_struct *)pm8001_ha->shost->hostdata; 158 sas_phy->lldd_phy = phy; 159 } 160 161 /** 162 * pm8001_free - free hba 163 * @pm8001_ha: our hba structure. 164 */ 165 static void pm8001_free(struct pm8001_hba_info *pm8001_ha) 166 { 167 int i; 168 169 if (!pm8001_ha) 170 return; 171 172 for (i = 0; i < USI_MAX_MEMCNT; i++) { 173 if (pm8001_ha->memoryMap.region[i].virt_ptr != NULL) { 174 dma_free_coherent(&pm8001_ha->pdev->dev, 175 (pm8001_ha->memoryMap.region[i].total_len + 176 pm8001_ha->memoryMap.region[i].alignment), 177 pm8001_ha->memoryMap.region[i].virt_ptr, 178 pm8001_ha->memoryMap.region[i].phys_addr); 179 } 180 } 181 PM8001_CHIP_DISP->chip_iounmap(pm8001_ha); 182 flush_workqueue(pm8001_wq); 183 bitmap_free(pm8001_ha->tags); 184 kfree(pm8001_ha); 185 } 186 187 #ifdef PM8001_USE_TASKLET 188 189 /** 190 * pm8001_tasklet() - tasklet for 64 msi-x interrupt handler 191 * @opaque: the passed general host adapter struct 192 * Note: pm8001_tasklet is common for pm8001 & pm80xx 193 */ 194 static void pm8001_tasklet(unsigned long opaque) 195 { 196 struct pm8001_hba_info *pm8001_ha; 197 struct isr_param *irq_vector; 198 199 irq_vector = (struct isr_param *)opaque; 200 pm8001_ha = irq_vector->drv_inst; 201 if (unlikely(!pm8001_ha)) 202 BUG_ON(1); 203 PM8001_CHIP_DISP->isr(pm8001_ha, irq_vector->irq_id); 204 } 205 #endif 206 207 /** 208 * pm8001_interrupt_handler_msix - main MSIX interrupt handler. 209 * It obtains the vector number and calls the equivalent bottom 210 * half or services directly. 211 * @irq: interrupt number 212 * @opaque: the passed outbound queue/vector. Host structure is 213 * retrieved from the same. 214 */ 215 static irqreturn_t pm8001_interrupt_handler_msix(int irq, void *opaque) 216 { 217 struct isr_param *irq_vector; 218 struct pm8001_hba_info *pm8001_ha; 219 irqreturn_t ret = IRQ_HANDLED; 220 irq_vector = (struct isr_param *)opaque; 221 pm8001_ha = irq_vector->drv_inst; 222 223 if (unlikely(!pm8001_ha)) 224 return IRQ_NONE; 225 if (!PM8001_CHIP_DISP->is_our_interrupt(pm8001_ha)) 226 return IRQ_NONE; 227 #ifdef PM8001_USE_TASKLET 228 tasklet_schedule(&pm8001_ha->tasklet[irq_vector->irq_id]); 229 #else 230 ret = PM8001_CHIP_DISP->isr(pm8001_ha, irq_vector->irq_id); 231 #endif 232 return ret; 233 } 234 235 /** 236 * pm8001_interrupt_handler_intx - main INTx interrupt handler. 237 * @irq: interrupt number 238 * @dev_id: sas_ha structure. The HBA is retrieved from sas_ha structure. 239 */ 240 241 static irqreturn_t pm8001_interrupt_handler_intx(int irq, void *dev_id) 242 { 243 struct pm8001_hba_info *pm8001_ha; 244 irqreturn_t ret = IRQ_HANDLED; 245 struct sas_ha_struct *sha = dev_id; 246 pm8001_ha = sha->lldd_ha; 247 if (unlikely(!pm8001_ha)) 248 return IRQ_NONE; 249 if (!PM8001_CHIP_DISP->is_our_interrupt(pm8001_ha)) 250 return IRQ_NONE; 251 252 #ifdef PM8001_USE_TASKLET 253 tasklet_schedule(&pm8001_ha->tasklet[0]); 254 #else 255 ret = PM8001_CHIP_DISP->isr(pm8001_ha, 0); 256 #endif 257 return ret; 258 } 259 260 static u32 pm8001_setup_irq(struct pm8001_hba_info *pm8001_ha); 261 static u32 pm8001_request_irq(struct pm8001_hba_info *pm8001_ha); 262 263 /** 264 * pm8001_alloc - initiate our hba structure and 6 DMAs area. 265 * @pm8001_ha: our hba structure. 266 * @ent: PCI device ID structure to match on 267 */ 268 static int pm8001_alloc(struct pm8001_hba_info *pm8001_ha, 269 const struct pci_device_id *ent) 270 { 271 int i, count = 0, rc = 0; 272 u32 ci_offset, ib_offset, ob_offset, pi_offset; 273 struct inbound_queue_table *ibq; 274 struct outbound_queue_table *obq; 275 276 spin_lock_init(&pm8001_ha->lock); 277 spin_lock_init(&pm8001_ha->bitmap_lock); 278 pm8001_dbg(pm8001_ha, INIT, "pm8001_alloc: PHY:%x\n", 279 pm8001_ha->chip->n_phy); 280 281 /* Setup Interrupt */ 282 rc = pm8001_setup_irq(pm8001_ha); 283 if (rc) { 284 pm8001_dbg(pm8001_ha, FAIL, 285 "pm8001_setup_irq failed [ret: %d]\n", rc); 286 goto err_out; 287 } 288 /* Request Interrupt */ 289 rc = pm8001_request_irq(pm8001_ha); 290 if (rc) 291 goto err_out; 292 293 count = pm8001_ha->max_q_num; 294 /* Queues are chosen based on the number of cores/msix availability */ 295 ib_offset = pm8001_ha->ib_offset = USI_MAX_MEMCNT_BASE; 296 ci_offset = pm8001_ha->ci_offset = ib_offset + count; 297 ob_offset = pm8001_ha->ob_offset = ci_offset + count; 298 pi_offset = pm8001_ha->pi_offset = ob_offset + count; 299 pm8001_ha->max_memcnt = pi_offset + count; 300 301 for (i = 0; i < pm8001_ha->chip->n_phy; i++) { 302 pm8001_phy_init(pm8001_ha, i); 303 pm8001_ha->port[i].wide_port_phymap = 0; 304 pm8001_ha->port[i].port_attached = 0; 305 pm8001_ha->port[i].port_state = 0; 306 INIT_LIST_HEAD(&pm8001_ha->port[i].list); 307 } 308 309 /* MPI Memory region 1 for AAP Event Log for fw */ 310 pm8001_ha->memoryMap.region[AAP1].num_elements = 1; 311 pm8001_ha->memoryMap.region[AAP1].element_size = PM8001_EVENT_LOG_SIZE; 312 pm8001_ha->memoryMap.region[AAP1].total_len = PM8001_EVENT_LOG_SIZE; 313 pm8001_ha->memoryMap.region[AAP1].alignment = 32; 314 315 /* MPI Memory region 2 for IOP Event Log for fw */ 316 pm8001_ha->memoryMap.region[IOP].num_elements = 1; 317 pm8001_ha->memoryMap.region[IOP].element_size = PM8001_EVENT_LOG_SIZE; 318 pm8001_ha->memoryMap.region[IOP].total_len = PM8001_EVENT_LOG_SIZE; 319 pm8001_ha->memoryMap.region[IOP].alignment = 32; 320 321 for (i = 0; i < count; i++) { 322 ibq = &pm8001_ha->inbnd_q_tbl[i]; 323 spin_lock_init(&ibq->iq_lock); 324 /* MPI Memory region 3 for consumer Index of inbound queues */ 325 pm8001_ha->memoryMap.region[ci_offset+i].num_elements = 1; 326 pm8001_ha->memoryMap.region[ci_offset+i].element_size = 4; 327 pm8001_ha->memoryMap.region[ci_offset+i].total_len = 4; 328 pm8001_ha->memoryMap.region[ci_offset+i].alignment = 4; 329 330 if ((ent->driver_data) != chip_8001) { 331 /* MPI Memory region 5 inbound queues */ 332 pm8001_ha->memoryMap.region[ib_offset+i].num_elements = 333 PM8001_MPI_QUEUE; 334 pm8001_ha->memoryMap.region[ib_offset+i].element_size 335 = 128; 336 pm8001_ha->memoryMap.region[ib_offset+i].total_len = 337 PM8001_MPI_QUEUE * 128; 338 pm8001_ha->memoryMap.region[ib_offset+i].alignment 339 = 128; 340 } else { 341 pm8001_ha->memoryMap.region[ib_offset+i].num_elements = 342 PM8001_MPI_QUEUE; 343 pm8001_ha->memoryMap.region[ib_offset+i].element_size 344 = 64; 345 pm8001_ha->memoryMap.region[ib_offset+i].total_len = 346 PM8001_MPI_QUEUE * 64; 347 pm8001_ha->memoryMap.region[ib_offset+i].alignment = 64; 348 } 349 } 350 351 for (i = 0; i < count; i++) { 352 obq = &pm8001_ha->outbnd_q_tbl[i]; 353 spin_lock_init(&obq->oq_lock); 354 /* MPI Memory region 4 for producer Index of outbound queues */ 355 pm8001_ha->memoryMap.region[pi_offset+i].num_elements = 1; 356 pm8001_ha->memoryMap.region[pi_offset+i].element_size = 4; 357 pm8001_ha->memoryMap.region[pi_offset+i].total_len = 4; 358 pm8001_ha->memoryMap.region[pi_offset+i].alignment = 4; 359 360 if (ent->driver_data != chip_8001) { 361 /* MPI Memory region 6 Outbound queues */ 362 pm8001_ha->memoryMap.region[ob_offset+i].num_elements = 363 PM8001_MPI_QUEUE; 364 pm8001_ha->memoryMap.region[ob_offset+i].element_size 365 = 128; 366 pm8001_ha->memoryMap.region[ob_offset+i].total_len = 367 PM8001_MPI_QUEUE * 128; 368 pm8001_ha->memoryMap.region[ob_offset+i].alignment 369 = 128; 370 } else { 371 /* MPI Memory region 6 Outbound queues */ 372 pm8001_ha->memoryMap.region[ob_offset+i].num_elements = 373 PM8001_MPI_QUEUE; 374 pm8001_ha->memoryMap.region[ob_offset+i].element_size 375 = 64; 376 pm8001_ha->memoryMap.region[ob_offset+i].total_len = 377 PM8001_MPI_QUEUE * 64; 378 pm8001_ha->memoryMap.region[ob_offset+i].alignment = 64; 379 } 380 381 } 382 /* Memory region write DMA*/ 383 pm8001_ha->memoryMap.region[NVMD].num_elements = 1; 384 pm8001_ha->memoryMap.region[NVMD].element_size = 4096; 385 pm8001_ha->memoryMap.region[NVMD].total_len = 4096; 386 387 /* Memory region for fw flash */ 388 pm8001_ha->memoryMap.region[FW_FLASH].total_len = 4096; 389 390 pm8001_ha->memoryMap.region[FORENSIC_MEM].num_elements = 1; 391 pm8001_ha->memoryMap.region[FORENSIC_MEM].total_len = 0x10000; 392 pm8001_ha->memoryMap.region[FORENSIC_MEM].element_size = 0x10000; 393 pm8001_ha->memoryMap.region[FORENSIC_MEM].alignment = 0x10000; 394 for (i = 0; i < pm8001_ha->max_memcnt; i++) { 395 struct mpi_mem *region = &pm8001_ha->memoryMap.region[i]; 396 397 if (pm8001_mem_alloc(pm8001_ha->pdev, 398 ®ion->virt_ptr, 399 ®ion->phys_addr, 400 ®ion->phys_addr_hi, 401 ®ion->phys_addr_lo, 402 region->total_len, 403 region->alignment) != 0) { 404 pm8001_dbg(pm8001_ha, FAIL, "Mem%d alloc failed\n", i); 405 goto err_out; 406 } 407 } 408 409 /* Memory region for devices*/ 410 pm8001_ha->devices = kzalloc(PM8001_MAX_DEVICES 411 * sizeof(struct pm8001_device), GFP_KERNEL); 412 if (!pm8001_ha->devices) { 413 rc = -ENOMEM; 414 goto err_out_nodev; 415 } 416 for (i = 0; i < PM8001_MAX_DEVICES; i++) { 417 pm8001_ha->devices[i].dev_type = SAS_PHY_UNUSED; 418 pm8001_ha->devices[i].id = i; 419 pm8001_ha->devices[i].device_id = PM8001_MAX_DEVICES; 420 atomic_set(&pm8001_ha->devices[i].running_req, 0); 421 } 422 pm8001_ha->flags = PM8001F_INIT_TIME; 423 /* Initialize tags */ 424 pm8001_tag_init(pm8001_ha); 425 return 0; 426 427 err_out_nodev: 428 for (i = 0; i < pm8001_ha->max_memcnt; i++) { 429 if (pm8001_ha->memoryMap.region[i].virt_ptr != NULL) { 430 dma_free_coherent(&pm8001_ha->pdev->dev, 431 (pm8001_ha->memoryMap.region[i].total_len + 432 pm8001_ha->memoryMap.region[i].alignment), 433 pm8001_ha->memoryMap.region[i].virt_ptr, 434 pm8001_ha->memoryMap.region[i].phys_addr); 435 } 436 } 437 err_out: 438 return 1; 439 } 440 441 /** 442 * pm8001_ioremap - remap the pci high physical address to kernel virtual 443 * address so that we can access them. 444 * @pm8001_ha: our hba structure. 445 */ 446 static int pm8001_ioremap(struct pm8001_hba_info *pm8001_ha) 447 { 448 u32 bar; 449 u32 logicalBar = 0; 450 struct pci_dev *pdev; 451 452 pdev = pm8001_ha->pdev; 453 /* map pci mem (PMC pci base 0-3)*/ 454 for (bar = 0; bar < PCI_STD_NUM_BARS; bar++) { 455 /* 456 ** logical BARs for SPC: 457 ** bar 0 and 1 - logical BAR0 458 ** bar 2 and 3 - logical BAR1 459 ** bar4 - logical BAR2 460 ** bar5 - logical BAR3 461 ** Skip the appropriate assignments: 462 */ 463 if ((bar == 1) || (bar == 3)) 464 continue; 465 if (pci_resource_flags(pdev, bar) & IORESOURCE_MEM) { 466 pm8001_ha->io_mem[logicalBar].membase = 467 pci_resource_start(pdev, bar); 468 pm8001_ha->io_mem[logicalBar].memsize = 469 pci_resource_len(pdev, bar); 470 pm8001_ha->io_mem[logicalBar].memvirtaddr = 471 ioremap(pm8001_ha->io_mem[logicalBar].membase, 472 pm8001_ha->io_mem[logicalBar].memsize); 473 if (!pm8001_ha->io_mem[logicalBar].memvirtaddr) { 474 pm8001_dbg(pm8001_ha, INIT, 475 "Failed to ioremap bar %d, logicalBar %d", 476 bar, logicalBar); 477 return -ENOMEM; 478 } 479 pm8001_dbg(pm8001_ha, INIT, 480 "base addr %llx virt_addr=%llx len=%d\n", 481 (u64)pm8001_ha->io_mem[logicalBar].membase, 482 (u64)(unsigned long) 483 pm8001_ha->io_mem[logicalBar].memvirtaddr, 484 pm8001_ha->io_mem[logicalBar].memsize); 485 } else { 486 pm8001_ha->io_mem[logicalBar].membase = 0; 487 pm8001_ha->io_mem[logicalBar].memsize = 0; 488 pm8001_ha->io_mem[logicalBar].memvirtaddr = NULL; 489 } 490 logicalBar++; 491 } 492 return 0; 493 } 494 495 /** 496 * pm8001_pci_alloc - initialize our ha card structure 497 * @pdev: pci device. 498 * @ent: ent 499 * @shost: scsi host struct which has been initialized before. 500 */ 501 static struct pm8001_hba_info *pm8001_pci_alloc(struct pci_dev *pdev, 502 const struct pci_device_id *ent, 503 struct Scsi_Host *shost) 504 505 { 506 struct pm8001_hba_info *pm8001_ha; 507 struct sas_ha_struct *sha = SHOST_TO_SAS_HA(shost); 508 int j; 509 510 pm8001_ha = sha->lldd_ha; 511 if (!pm8001_ha) 512 return NULL; 513 514 pm8001_ha->pdev = pdev; 515 pm8001_ha->dev = &pdev->dev; 516 pm8001_ha->chip_id = ent->driver_data; 517 pm8001_ha->chip = &pm8001_chips[pm8001_ha->chip_id]; 518 pm8001_ha->irq = pdev->irq; 519 pm8001_ha->sas = sha; 520 pm8001_ha->shost = shost; 521 pm8001_ha->id = pm8001_id++; 522 pm8001_ha->logging_level = logging_level; 523 pm8001_ha->non_fatal_count = 0; 524 if (link_rate >= 1 && link_rate <= 15) 525 pm8001_ha->link_rate = (link_rate << 8); 526 else { 527 pm8001_ha->link_rate = LINKRATE_15 | LINKRATE_30 | 528 LINKRATE_60 | LINKRATE_120; 529 pm8001_dbg(pm8001_ha, FAIL, 530 "Setting link rate to default value\n"); 531 } 532 sprintf(pm8001_ha->name, "%s%d", DRV_NAME, pm8001_ha->id); 533 /* IOMB size is 128 for 8088/89 controllers */ 534 if (pm8001_ha->chip_id != chip_8001) 535 pm8001_ha->iomb_size = IOMB_SIZE_SPCV; 536 else 537 pm8001_ha->iomb_size = IOMB_SIZE_SPC; 538 539 #ifdef PM8001_USE_TASKLET 540 /* Tasklet for non msi-x interrupt handler */ 541 if ((!pdev->msix_cap || !pci_msi_enabled()) 542 || (pm8001_ha->chip_id == chip_8001)) 543 tasklet_init(&pm8001_ha->tasklet[0], pm8001_tasklet, 544 (unsigned long)&(pm8001_ha->irq_vector[0])); 545 else 546 for (j = 0; j < PM8001_MAX_MSIX_VEC; j++) 547 tasklet_init(&pm8001_ha->tasklet[j], pm8001_tasklet, 548 (unsigned long)&(pm8001_ha->irq_vector[j])); 549 #endif 550 if (pm8001_ioremap(pm8001_ha)) 551 goto failed_pci_alloc; 552 if (!pm8001_alloc(pm8001_ha, ent)) 553 return pm8001_ha; 554 failed_pci_alloc: 555 pm8001_free(pm8001_ha); 556 return NULL; 557 } 558 559 /** 560 * pci_go_44 - pm8001 specified, its DMA is 44 bit rather than 64 bit 561 * @pdev: pci device. 562 */ 563 static int pci_go_44(struct pci_dev *pdev) 564 { 565 int rc; 566 567 rc = dma_set_mask_and_coherent(&pdev->dev, DMA_BIT_MASK(44)); 568 if (rc) { 569 rc = dma_set_mask_and_coherent(&pdev->dev, DMA_BIT_MASK(32)); 570 if (rc) 571 dev_printk(KERN_ERR, &pdev->dev, 572 "32-bit DMA enable failed\n"); 573 } 574 return rc; 575 } 576 577 /** 578 * pm8001_prep_sas_ha_init - allocate memory in general hba struct && init them. 579 * @shost: scsi host which has been allocated outside. 580 * @chip_info: our ha struct. 581 */ 582 static int pm8001_prep_sas_ha_init(struct Scsi_Host *shost, 583 const struct pm8001_chip_info *chip_info) 584 { 585 int phy_nr, port_nr; 586 struct asd_sas_phy **arr_phy; 587 struct asd_sas_port **arr_port; 588 struct sas_ha_struct *sha = SHOST_TO_SAS_HA(shost); 589 590 phy_nr = chip_info->n_phy; 591 port_nr = phy_nr; 592 memset(sha, 0x00, sizeof(*sha)); 593 arr_phy = kcalloc(phy_nr, sizeof(void *), GFP_KERNEL); 594 if (!arr_phy) 595 goto exit; 596 arr_port = kcalloc(port_nr, sizeof(void *), GFP_KERNEL); 597 if (!arr_port) 598 goto exit_free2; 599 600 sha->sas_phy = arr_phy; 601 sha->sas_port = arr_port; 602 sha->lldd_ha = kzalloc(sizeof(struct pm8001_hba_info), GFP_KERNEL); 603 if (!sha->lldd_ha) 604 goto exit_free1; 605 606 shost->transportt = pm8001_stt; 607 shost->max_id = PM8001_MAX_DEVICES; 608 shost->max_lun = 8; 609 shost->max_channel = 0; 610 shost->unique_id = pm8001_id; 611 shost->max_cmd_len = 16; 612 shost->can_queue = PM8001_CAN_QUEUE; 613 shost->cmd_per_lun = 32; 614 return 0; 615 exit_free1: 616 kfree(arr_port); 617 exit_free2: 618 kfree(arr_phy); 619 exit: 620 return -1; 621 } 622 623 /** 624 * pm8001_post_sas_ha_init - initialize general hba struct defined in libsas 625 * @shost: scsi host which has been allocated outside 626 * @chip_info: our ha struct. 627 */ 628 static void pm8001_post_sas_ha_init(struct Scsi_Host *shost, 629 const struct pm8001_chip_info *chip_info) 630 { 631 int i = 0; 632 struct pm8001_hba_info *pm8001_ha; 633 struct sas_ha_struct *sha = SHOST_TO_SAS_HA(shost); 634 635 pm8001_ha = sha->lldd_ha; 636 for (i = 0; i < chip_info->n_phy; i++) { 637 sha->sas_phy[i] = &pm8001_ha->phy[i].sas_phy; 638 sha->sas_port[i] = &pm8001_ha->port[i].sas_port; 639 sha->sas_phy[i]->sas_addr = 640 (u8 *)&pm8001_ha->phy[i].dev_sas_addr; 641 } 642 sha->sas_ha_name = DRV_NAME; 643 sha->dev = pm8001_ha->dev; 644 sha->strict_wide_ports = 1; 645 sha->lldd_module = THIS_MODULE; 646 sha->sas_addr = &pm8001_ha->sas_addr[0]; 647 sha->num_phys = chip_info->n_phy; 648 sha->core.shost = shost; 649 } 650 651 /** 652 * pm8001_init_sas_add - initialize sas address 653 * @pm8001_ha: our ha struct. 654 * 655 * Currently we just set the fixed SAS address to our HBA, for manufacture, 656 * it should read from the EEPROM 657 */ 658 static void pm8001_init_sas_add(struct pm8001_hba_info *pm8001_ha) 659 { 660 u8 i, j; 661 u8 sas_add[8]; 662 #ifdef PM8001_READ_VPD 663 /* For new SPC controllers WWN is stored in flash vpd 664 * For SPC/SPCve controllers WWN is stored in EEPROM 665 * For Older SPC WWN is stored in NVMD 666 */ 667 DECLARE_COMPLETION_ONSTACK(completion); 668 struct pm8001_ioctl_payload payload; 669 u16 deviceid; 670 int rc; 671 672 pci_read_config_word(pm8001_ha->pdev, PCI_DEVICE_ID, &deviceid); 673 pm8001_ha->nvmd_completion = &completion; 674 675 if (pm8001_ha->chip_id == chip_8001) { 676 if (deviceid == 0x8081 || deviceid == 0x0042) { 677 payload.minor_function = 4; 678 payload.rd_length = 4096; 679 } else { 680 payload.minor_function = 0; 681 payload.rd_length = 128; 682 } 683 } else if ((pm8001_ha->chip_id == chip_8070 || 684 pm8001_ha->chip_id == chip_8072) && 685 pm8001_ha->pdev->subsystem_vendor == PCI_VENDOR_ID_ATTO) { 686 payload.minor_function = 4; 687 payload.rd_length = 4096; 688 } else { 689 payload.minor_function = 1; 690 payload.rd_length = 4096; 691 } 692 payload.offset = 0; 693 payload.func_specific = kzalloc(payload.rd_length, GFP_KERNEL); 694 if (!payload.func_specific) { 695 pm8001_dbg(pm8001_ha, INIT, "mem alloc fail\n"); 696 return; 697 } 698 rc = PM8001_CHIP_DISP->get_nvmd_req(pm8001_ha, &payload); 699 if (rc) { 700 kfree(payload.func_specific); 701 pm8001_dbg(pm8001_ha, INIT, "nvmd failed\n"); 702 return; 703 } 704 wait_for_completion(&completion); 705 706 for (i = 0, j = 0; i <= 7; i++, j++) { 707 if (pm8001_ha->chip_id == chip_8001) { 708 if (deviceid == 0x8081) 709 pm8001_ha->sas_addr[j] = 710 payload.func_specific[0x704 + i]; 711 else if (deviceid == 0x0042) 712 pm8001_ha->sas_addr[j] = 713 payload.func_specific[0x010 + i]; 714 } else if ((pm8001_ha->chip_id == chip_8070 || 715 pm8001_ha->chip_id == chip_8072) && 716 pm8001_ha->pdev->subsystem_vendor == PCI_VENDOR_ID_ATTO) { 717 pm8001_ha->sas_addr[j] = 718 payload.func_specific[0x010 + i]; 719 } else 720 pm8001_ha->sas_addr[j] = 721 payload.func_specific[0x804 + i]; 722 } 723 memcpy(sas_add, pm8001_ha->sas_addr, SAS_ADDR_SIZE); 724 for (i = 0; i < pm8001_ha->chip->n_phy; i++) { 725 if (i && ((i % 4) == 0)) 726 sas_add[7] = sas_add[7] + 4; 727 memcpy(&pm8001_ha->phy[i].dev_sas_addr, 728 sas_add, SAS_ADDR_SIZE); 729 pm8001_dbg(pm8001_ha, INIT, "phy %d sas_addr = %016llx\n", i, 730 pm8001_ha->phy[i].dev_sas_addr); 731 } 732 kfree(payload.func_specific); 733 #else 734 for (i = 0; i < pm8001_ha->chip->n_phy; i++) { 735 pm8001_ha->phy[i].dev_sas_addr = 0x50010c600047f9d0ULL; 736 pm8001_ha->phy[i].dev_sas_addr = 737 cpu_to_be64((u64) 738 (*(u64 *)&pm8001_ha->phy[i].dev_sas_addr)); 739 } 740 memcpy(pm8001_ha->sas_addr, &pm8001_ha->phy[0].dev_sas_addr, 741 SAS_ADDR_SIZE); 742 #endif 743 } 744 745 /* 746 * pm8001_get_phy_settings_info : Read phy setting values. 747 * @pm8001_ha : our hba. 748 */ 749 static int pm8001_get_phy_settings_info(struct pm8001_hba_info *pm8001_ha) 750 { 751 752 #ifdef PM8001_READ_VPD 753 /*OPTION ROM FLASH read for the SPC cards */ 754 DECLARE_COMPLETION_ONSTACK(completion); 755 struct pm8001_ioctl_payload payload; 756 int rc; 757 758 pm8001_ha->nvmd_completion = &completion; 759 /* SAS ADDRESS read from flash / EEPROM */ 760 payload.minor_function = 6; 761 payload.offset = 0; 762 payload.rd_length = 4096; 763 payload.func_specific = kzalloc(4096, GFP_KERNEL); 764 if (!payload.func_specific) 765 return -ENOMEM; 766 /* Read phy setting values from flash */ 767 rc = PM8001_CHIP_DISP->get_nvmd_req(pm8001_ha, &payload); 768 if (rc) { 769 kfree(payload.func_specific); 770 pm8001_dbg(pm8001_ha, INIT, "nvmd failed\n"); 771 return -ENOMEM; 772 } 773 wait_for_completion(&completion); 774 pm8001_set_phy_profile(pm8001_ha, sizeof(u8), payload.func_specific); 775 kfree(payload.func_specific); 776 #endif 777 return 0; 778 } 779 780 struct pm8001_mpi3_phy_pg_trx_config { 781 u32 LaneLosCfg; 782 u32 LanePgaCfg1; 783 u32 LanePisoCfg1; 784 u32 LanePisoCfg2; 785 u32 LanePisoCfg3; 786 u32 LanePisoCfg4; 787 u32 LanePisoCfg5; 788 u32 LanePisoCfg6; 789 u32 LaneBctCtrl; 790 }; 791 792 /** 793 * pm8001_get_internal_phy_settings - Retrieves the internal PHY settings 794 * @pm8001_ha : our adapter 795 * @phycfg : PHY config page to populate 796 */ 797 static 798 void pm8001_get_internal_phy_settings(struct pm8001_hba_info *pm8001_ha, 799 struct pm8001_mpi3_phy_pg_trx_config *phycfg) 800 { 801 phycfg->LaneLosCfg = 0x00000132; 802 phycfg->LanePgaCfg1 = 0x00203949; 803 phycfg->LanePisoCfg1 = 0x000000FF; 804 phycfg->LanePisoCfg2 = 0xFF000001; 805 phycfg->LanePisoCfg3 = 0xE7011300; 806 phycfg->LanePisoCfg4 = 0x631C40C0; 807 phycfg->LanePisoCfg5 = 0xF8102036; 808 phycfg->LanePisoCfg6 = 0xF74A1000; 809 phycfg->LaneBctCtrl = 0x00FB33F8; 810 } 811 812 /** 813 * pm8001_get_external_phy_settings - Retrieves the external PHY settings 814 * @pm8001_ha : our adapter 815 * @phycfg : PHY config page to populate 816 */ 817 static 818 void pm8001_get_external_phy_settings(struct pm8001_hba_info *pm8001_ha, 819 struct pm8001_mpi3_phy_pg_trx_config *phycfg) 820 { 821 phycfg->LaneLosCfg = 0x00000132; 822 phycfg->LanePgaCfg1 = 0x00203949; 823 phycfg->LanePisoCfg1 = 0x000000FF; 824 phycfg->LanePisoCfg2 = 0xFF000001; 825 phycfg->LanePisoCfg3 = 0xE7011300; 826 phycfg->LanePisoCfg4 = 0x63349140; 827 phycfg->LanePisoCfg5 = 0xF8102036; 828 phycfg->LanePisoCfg6 = 0xF80D9300; 829 phycfg->LaneBctCtrl = 0x00FB33F8; 830 } 831 832 /** 833 * pm8001_get_phy_mask - Retrieves the mask that denotes if a PHY is int/ext 834 * @pm8001_ha : our adapter 835 * @phymask : The PHY mask 836 */ 837 static 838 void pm8001_get_phy_mask(struct pm8001_hba_info *pm8001_ha, int *phymask) 839 { 840 switch (pm8001_ha->pdev->subsystem_device) { 841 case 0x0070: /* H1280 - 8 external 0 internal */ 842 case 0x0072: /* H12F0 - 16 external 0 internal */ 843 *phymask = 0x0000; 844 break; 845 846 case 0x0071: /* H1208 - 0 external 8 internal */ 847 case 0x0073: /* H120F - 0 external 16 internal */ 848 *phymask = 0xFFFF; 849 break; 850 851 case 0x0080: /* H1244 - 4 external 4 internal */ 852 *phymask = 0x00F0; 853 break; 854 855 case 0x0081: /* H1248 - 4 external 8 internal */ 856 *phymask = 0x0FF0; 857 break; 858 859 case 0x0082: /* H1288 - 8 external 8 internal */ 860 *phymask = 0xFF00; 861 break; 862 863 default: 864 pm8001_dbg(pm8001_ha, INIT, 865 "Unknown subsystem device=0x%.04x\n", 866 pm8001_ha->pdev->subsystem_device); 867 } 868 } 869 870 /** 871 * pm8001_set_phy_settings_ven_117c_12G() - Configure ATTO 12Gb PHY settings 872 * @pm8001_ha : our adapter 873 */ 874 static 875 int pm8001_set_phy_settings_ven_117c_12G(struct pm8001_hba_info *pm8001_ha) 876 { 877 struct pm8001_mpi3_phy_pg_trx_config phycfg_int; 878 struct pm8001_mpi3_phy_pg_trx_config phycfg_ext; 879 int phymask = 0; 880 int i = 0; 881 882 memset(&phycfg_int, 0, sizeof(phycfg_int)); 883 memset(&phycfg_ext, 0, sizeof(phycfg_ext)); 884 885 pm8001_get_internal_phy_settings(pm8001_ha, &phycfg_int); 886 pm8001_get_external_phy_settings(pm8001_ha, &phycfg_ext); 887 pm8001_get_phy_mask(pm8001_ha, &phymask); 888 889 for (i = 0; i < pm8001_ha->chip->n_phy; i++) { 890 if (phymask & (1 << i)) {/* Internal PHY */ 891 pm8001_set_phy_profile_single(pm8001_ha, i, 892 sizeof(phycfg_int) / sizeof(u32), 893 (u32 *)&phycfg_int); 894 895 } else { /* External PHY */ 896 pm8001_set_phy_profile_single(pm8001_ha, i, 897 sizeof(phycfg_ext) / sizeof(u32), 898 (u32 *)&phycfg_ext); 899 } 900 } 901 902 return 0; 903 } 904 905 /** 906 * pm8001_configure_phy_settings - Configures PHY settings based on vendor ID. 907 * @pm8001_ha : our hba. 908 */ 909 static int pm8001_configure_phy_settings(struct pm8001_hba_info *pm8001_ha) 910 { 911 switch (pm8001_ha->pdev->subsystem_vendor) { 912 case PCI_VENDOR_ID_ATTO: 913 if (pm8001_ha->pdev->device == 0x0042) /* 6Gb */ 914 return 0; 915 else 916 return pm8001_set_phy_settings_ven_117c_12G(pm8001_ha); 917 918 case PCI_VENDOR_ID_ADAPTEC2: 919 case 0: 920 return 0; 921 922 default: 923 return pm8001_get_phy_settings_info(pm8001_ha); 924 } 925 } 926 927 #ifdef PM8001_USE_MSIX 928 /** 929 * pm8001_setup_msix - enable MSI-X interrupt 930 * @pm8001_ha: our ha struct. 931 */ 932 static u32 pm8001_setup_msix(struct pm8001_hba_info *pm8001_ha) 933 { 934 u32 number_of_intr; 935 int rc, cpu_online_count; 936 unsigned int allocated_irq_vectors; 937 938 /* SPCv controllers supports 64 msi-x */ 939 if (pm8001_ha->chip_id == chip_8001) { 940 number_of_intr = 1; 941 } else { 942 number_of_intr = PM8001_MAX_MSIX_VEC; 943 } 944 945 cpu_online_count = num_online_cpus(); 946 number_of_intr = min_t(int, cpu_online_count, number_of_intr); 947 rc = pci_alloc_irq_vectors(pm8001_ha->pdev, number_of_intr, 948 number_of_intr, PCI_IRQ_MSIX); 949 allocated_irq_vectors = rc; 950 if (rc < 0) 951 return rc; 952 953 /* Assigns the number of interrupts */ 954 number_of_intr = min_t(int, allocated_irq_vectors, number_of_intr); 955 pm8001_ha->number_of_intr = number_of_intr; 956 957 /* Maximum queue number updating in HBA structure */ 958 pm8001_ha->max_q_num = number_of_intr; 959 960 pm8001_dbg(pm8001_ha, INIT, 961 "pci_alloc_irq_vectors request ret:%d no of intr %d\n", 962 rc, pm8001_ha->number_of_intr); 963 return 0; 964 } 965 966 static u32 pm8001_request_msix(struct pm8001_hba_info *pm8001_ha) 967 { 968 u32 i = 0, j = 0; 969 int flag = 0, rc = 0; 970 int nr_irqs = pm8001_ha->number_of_intr; 971 972 if (pm8001_ha->chip_id != chip_8001) 973 flag &= ~IRQF_SHARED; 974 975 pm8001_dbg(pm8001_ha, INIT, 976 "pci_enable_msix request number of intr %d\n", 977 pm8001_ha->number_of_intr); 978 979 if (nr_irqs > ARRAY_SIZE(pm8001_ha->intr_drvname)) 980 nr_irqs = ARRAY_SIZE(pm8001_ha->intr_drvname); 981 982 for (i = 0; i < nr_irqs; i++) { 983 snprintf(pm8001_ha->intr_drvname[i], 984 sizeof(pm8001_ha->intr_drvname[0]), 985 "%s-%d", pm8001_ha->name, i); 986 pm8001_ha->irq_vector[i].irq_id = i; 987 pm8001_ha->irq_vector[i].drv_inst = pm8001_ha; 988 989 rc = request_irq(pci_irq_vector(pm8001_ha->pdev, i), 990 pm8001_interrupt_handler_msix, flag, 991 pm8001_ha->intr_drvname[i], 992 &(pm8001_ha->irq_vector[i])); 993 if (rc) { 994 for (j = 0; j < i; j++) { 995 free_irq(pci_irq_vector(pm8001_ha->pdev, i), 996 &(pm8001_ha->irq_vector[i])); 997 } 998 pci_free_irq_vectors(pm8001_ha->pdev); 999 break; 1000 } 1001 } 1002 1003 return rc; 1004 } 1005 #endif 1006 1007 static u32 pm8001_setup_irq(struct pm8001_hba_info *pm8001_ha) 1008 { 1009 struct pci_dev *pdev; 1010 1011 pdev = pm8001_ha->pdev; 1012 1013 #ifdef PM8001_USE_MSIX 1014 if (pci_find_capability(pdev, PCI_CAP_ID_MSIX)) 1015 return pm8001_setup_msix(pm8001_ha); 1016 pm8001_dbg(pm8001_ha, INIT, "MSIX not supported!!!\n"); 1017 #endif 1018 return 0; 1019 } 1020 1021 /** 1022 * pm8001_request_irq - register interrupt 1023 * @pm8001_ha: our ha struct. 1024 */ 1025 static u32 pm8001_request_irq(struct pm8001_hba_info *pm8001_ha) 1026 { 1027 struct pci_dev *pdev; 1028 int rc; 1029 1030 pdev = pm8001_ha->pdev; 1031 1032 #ifdef PM8001_USE_MSIX 1033 if (pdev->msix_cap && pci_msi_enabled()) 1034 return pm8001_request_msix(pm8001_ha); 1035 else { 1036 pm8001_dbg(pm8001_ha, INIT, "MSIX not supported!!!\n"); 1037 goto intx; 1038 } 1039 #endif 1040 1041 intx: 1042 /* initialize the INT-X interrupt */ 1043 pm8001_ha->irq_vector[0].irq_id = 0; 1044 pm8001_ha->irq_vector[0].drv_inst = pm8001_ha; 1045 rc = request_irq(pdev->irq, pm8001_interrupt_handler_intx, IRQF_SHARED, 1046 pm8001_ha->name, SHOST_TO_SAS_HA(pm8001_ha->shost)); 1047 return rc; 1048 } 1049 1050 /** 1051 * pm8001_pci_probe - probe supported device 1052 * @pdev: pci device which kernel has been prepared for. 1053 * @ent: pci device id 1054 * 1055 * This function is the main initialization function, when register a new 1056 * pci driver it is invoked, all struct and hardware initialization should be 1057 * done here, also, register interrupt. 1058 */ 1059 static int pm8001_pci_probe(struct pci_dev *pdev, 1060 const struct pci_device_id *ent) 1061 { 1062 unsigned int rc; 1063 u32 pci_reg; 1064 u8 i = 0; 1065 struct pm8001_hba_info *pm8001_ha; 1066 struct Scsi_Host *shost = NULL; 1067 const struct pm8001_chip_info *chip; 1068 struct sas_ha_struct *sha; 1069 1070 dev_printk(KERN_INFO, &pdev->dev, 1071 "pm80xx: driver version %s\n", DRV_VERSION); 1072 rc = pci_enable_device(pdev); 1073 if (rc) 1074 goto err_out_enable; 1075 pci_set_master(pdev); 1076 /* 1077 * Enable pci slot busmaster by setting pci command register. 1078 * This is required by FW for Cyclone card. 1079 */ 1080 1081 pci_read_config_dword(pdev, PCI_COMMAND, &pci_reg); 1082 pci_reg |= 0x157; 1083 pci_write_config_dword(pdev, PCI_COMMAND, pci_reg); 1084 rc = pci_request_regions(pdev, DRV_NAME); 1085 if (rc) 1086 goto err_out_disable; 1087 rc = pci_go_44(pdev); 1088 if (rc) 1089 goto err_out_regions; 1090 1091 shost = scsi_host_alloc(&pm8001_sht, sizeof(void *)); 1092 if (!shost) { 1093 rc = -ENOMEM; 1094 goto err_out_regions; 1095 } 1096 chip = &pm8001_chips[ent->driver_data]; 1097 sha = kzalloc(sizeof(struct sas_ha_struct), GFP_KERNEL); 1098 if (!sha) { 1099 rc = -ENOMEM; 1100 goto err_out_free_host; 1101 } 1102 SHOST_TO_SAS_HA(shost) = sha; 1103 1104 rc = pm8001_prep_sas_ha_init(shost, chip); 1105 if (rc) { 1106 rc = -ENOMEM; 1107 goto err_out_free; 1108 } 1109 pci_set_drvdata(pdev, SHOST_TO_SAS_HA(shost)); 1110 /* ent->driver variable is used to differentiate between controllers */ 1111 pm8001_ha = pm8001_pci_alloc(pdev, ent, shost); 1112 if (!pm8001_ha) { 1113 rc = -ENOMEM; 1114 goto err_out_free; 1115 } 1116 1117 PM8001_CHIP_DISP->chip_soft_rst(pm8001_ha); 1118 rc = PM8001_CHIP_DISP->chip_init(pm8001_ha); 1119 if (rc) { 1120 pm8001_dbg(pm8001_ha, FAIL, 1121 "chip_init failed [ret: %d]\n", rc); 1122 goto err_out_ha_free; 1123 } 1124 1125 rc = pm8001_init_ccb_tag(pm8001_ha, shost, pdev); 1126 if (rc) 1127 goto err_out_enable; 1128 1129 rc = scsi_add_host(shost, &pdev->dev); 1130 if (rc) 1131 goto err_out_ha_free; 1132 1133 PM8001_CHIP_DISP->interrupt_enable(pm8001_ha, 0); 1134 if (pm8001_ha->chip_id != chip_8001) { 1135 for (i = 1; i < pm8001_ha->number_of_intr; i++) 1136 PM8001_CHIP_DISP->interrupt_enable(pm8001_ha, i); 1137 /* setup thermal configuration. */ 1138 pm80xx_set_thermal_config(pm8001_ha); 1139 } 1140 1141 pm8001_init_sas_add(pm8001_ha); 1142 /* phy setting support for motherboard controller */ 1143 rc = pm8001_configure_phy_settings(pm8001_ha); 1144 if (rc) 1145 goto err_out_shost; 1146 1147 pm8001_post_sas_ha_init(shost, chip); 1148 rc = sas_register_ha(SHOST_TO_SAS_HA(shost)); 1149 if (rc) { 1150 pm8001_dbg(pm8001_ha, FAIL, 1151 "sas_register_ha failed [ret: %d]\n", rc); 1152 goto err_out_shost; 1153 } 1154 list_add_tail(&pm8001_ha->list, &hba_list); 1155 pm8001_ha->flags = PM8001F_RUN_TIME; 1156 scsi_scan_host(pm8001_ha->shost); 1157 return 0; 1158 1159 err_out_shost: 1160 scsi_remove_host(pm8001_ha->shost); 1161 err_out_ha_free: 1162 pm8001_free(pm8001_ha); 1163 err_out_free: 1164 kfree(sha); 1165 err_out_free_host: 1166 scsi_host_put(shost); 1167 err_out_regions: 1168 pci_release_regions(pdev); 1169 err_out_disable: 1170 pci_disable_device(pdev); 1171 err_out_enable: 1172 return rc; 1173 } 1174 1175 /** 1176 * pm8001_init_ccb_tag - allocate memory to CCB and tag. 1177 * @pm8001_ha: our hba card information. 1178 * @shost: scsi host which has been allocated outside. 1179 * @pdev: pci device. 1180 */ 1181 static int 1182 pm8001_init_ccb_tag(struct pm8001_hba_info *pm8001_ha, struct Scsi_Host *shost, 1183 struct pci_dev *pdev) 1184 { 1185 int i = 0; 1186 u32 max_out_io, ccb_count; 1187 u32 can_queue; 1188 1189 max_out_io = pm8001_ha->main_cfg_tbl.pm80xx_tbl.max_out_io; 1190 ccb_count = min_t(int, PM8001_MAX_CCB, max_out_io); 1191 1192 /* Update to the scsi host*/ 1193 can_queue = ccb_count - PM8001_RESERVE_SLOT; 1194 shost->can_queue = can_queue; 1195 1196 pm8001_ha->tags = bitmap_zalloc(ccb_count, GFP_KERNEL); 1197 if (!pm8001_ha->tags) 1198 goto err_out; 1199 1200 /* Memory region for ccb_info*/ 1201 pm8001_ha->ccb_count = ccb_count; 1202 pm8001_ha->ccb_info = 1203 kcalloc(ccb_count, sizeof(struct pm8001_ccb_info), GFP_KERNEL); 1204 if (!pm8001_ha->ccb_info) { 1205 pm8001_dbg(pm8001_ha, FAIL, 1206 "Unable to allocate memory for ccb\n"); 1207 goto err_out_noccb; 1208 } 1209 for (i = 0; i < ccb_count; i++) { 1210 pm8001_ha->ccb_info[i].buf_prd = dma_alloc_coherent(&pdev->dev, 1211 sizeof(struct pm8001_prd) * PM8001_MAX_DMA_SG, 1212 &pm8001_ha->ccb_info[i].ccb_dma_handle, 1213 GFP_KERNEL); 1214 if (!pm8001_ha->ccb_info[i].buf_prd) { 1215 pm8001_dbg(pm8001_ha, FAIL, 1216 "ccb prd memory allocation error\n"); 1217 goto err_out; 1218 } 1219 pm8001_ha->ccb_info[i].task = NULL; 1220 pm8001_ha->ccb_info[i].ccb_tag = PM8001_INVALID_TAG; 1221 pm8001_ha->ccb_info[i].device = NULL; 1222 ++pm8001_ha->tags_num; 1223 } 1224 1225 return 0; 1226 1227 err_out_noccb: 1228 kfree(pm8001_ha->devices); 1229 err_out: 1230 return -ENOMEM; 1231 } 1232 1233 static void pm8001_pci_remove(struct pci_dev *pdev) 1234 { 1235 struct sas_ha_struct *sha = pci_get_drvdata(pdev); 1236 struct pm8001_hba_info *pm8001_ha; 1237 int i, j; 1238 pm8001_ha = sha->lldd_ha; 1239 sas_unregister_ha(sha); 1240 sas_remove_host(pm8001_ha->shost); 1241 list_del(&pm8001_ha->list); 1242 PM8001_CHIP_DISP->interrupt_disable(pm8001_ha, 0xFF); 1243 PM8001_CHIP_DISP->chip_soft_rst(pm8001_ha); 1244 1245 #ifdef PM8001_USE_MSIX 1246 for (i = 0; i < pm8001_ha->number_of_intr; i++) 1247 synchronize_irq(pci_irq_vector(pdev, i)); 1248 for (i = 0; i < pm8001_ha->number_of_intr; i++) 1249 free_irq(pci_irq_vector(pdev, i), &pm8001_ha->irq_vector[i]); 1250 pci_free_irq_vectors(pdev); 1251 #else 1252 free_irq(pm8001_ha->irq, sha); 1253 #endif 1254 #ifdef PM8001_USE_TASKLET 1255 /* For non-msix and msix interrupts */ 1256 if ((!pdev->msix_cap || !pci_msi_enabled()) || 1257 (pm8001_ha->chip_id == chip_8001)) 1258 tasklet_kill(&pm8001_ha->tasklet[0]); 1259 else 1260 for (j = 0; j < PM8001_MAX_MSIX_VEC; j++) 1261 tasklet_kill(&pm8001_ha->tasklet[j]); 1262 #endif 1263 scsi_host_put(pm8001_ha->shost); 1264 1265 for (i = 0; i < pm8001_ha->ccb_count; i++) { 1266 dma_free_coherent(&pm8001_ha->pdev->dev, 1267 sizeof(struct pm8001_prd) * PM8001_MAX_DMA_SG, 1268 pm8001_ha->ccb_info[i].buf_prd, 1269 pm8001_ha->ccb_info[i].ccb_dma_handle); 1270 } 1271 kfree(pm8001_ha->ccb_info); 1272 kfree(pm8001_ha->devices); 1273 1274 pm8001_free(pm8001_ha); 1275 kfree(sha->sas_phy); 1276 kfree(sha->sas_port); 1277 kfree(sha); 1278 pci_release_regions(pdev); 1279 pci_disable_device(pdev); 1280 } 1281 1282 /** 1283 * pm8001_pci_suspend - power management suspend main entry point 1284 * @dev: Device struct 1285 * 1286 * Return: 0 on success, anything else on error. 1287 */ 1288 static int __maybe_unused pm8001_pci_suspend(struct device *dev) 1289 { 1290 struct pci_dev *pdev = to_pci_dev(dev); 1291 struct sas_ha_struct *sha = pci_get_drvdata(pdev); 1292 struct pm8001_hba_info *pm8001_ha = sha->lldd_ha; 1293 int i, j; 1294 sas_suspend_ha(sha); 1295 flush_workqueue(pm8001_wq); 1296 scsi_block_requests(pm8001_ha->shost); 1297 if (!pdev->pm_cap) { 1298 dev_err(dev, " PCI PM not supported\n"); 1299 return -ENODEV; 1300 } 1301 PM8001_CHIP_DISP->interrupt_disable(pm8001_ha, 0xFF); 1302 PM8001_CHIP_DISP->chip_soft_rst(pm8001_ha); 1303 #ifdef PM8001_USE_MSIX 1304 for (i = 0; i < pm8001_ha->number_of_intr; i++) 1305 synchronize_irq(pci_irq_vector(pdev, i)); 1306 for (i = 0; i < pm8001_ha->number_of_intr; i++) 1307 free_irq(pci_irq_vector(pdev, i), &pm8001_ha->irq_vector[i]); 1308 pci_free_irq_vectors(pdev); 1309 #else 1310 free_irq(pm8001_ha->irq, sha); 1311 #endif 1312 #ifdef PM8001_USE_TASKLET 1313 /* For non-msix and msix interrupts */ 1314 if ((!pdev->msix_cap || !pci_msi_enabled()) || 1315 (pm8001_ha->chip_id == chip_8001)) 1316 tasklet_kill(&pm8001_ha->tasklet[0]); 1317 else 1318 for (j = 0; j < PM8001_MAX_MSIX_VEC; j++) 1319 tasklet_kill(&pm8001_ha->tasklet[j]); 1320 #endif 1321 pm8001_info(pm8001_ha, "pdev=0x%p, slot=%s, entering " 1322 "suspended state\n", pdev, 1323 pm8001_ha->name); 1324 return 0; 1325 } 1326 1327 /** 1328 * pm8001_pci_resume - power management resume main entry point 1329 * @dev: Device struct 1330 * 1331 * Return: 0 on success, anything else on error. 1332 */ 1333 static int __maybe_unused pm8001_pci_resume(struct device *dev) 1334 { 1335 struct pci_dev *pdev = to_pci_dev(dev); 1336 struct sas_ha_struct *sha = pci_get_drvdata(pdev); 1337 struct pm8001_hba_info *pm8001_ha; 1338 int rc; 1339 u8 i = 0, j; 1340 DECLARE_COMPLETION_ONSTACK(completion); 1341 1342 pm8001_ha = sha->lldd_ha; 1343 1344 pm8001_info(pm8001_ha, 1345 "pdev=0x%p, slot=%s, resuming from previous operating state [D%d]\n", 1346 pdev, pm8001_ha->name, pdev->current_state); 1347 1348 rc = pci_go_44(pdev); 1349 if (rc) 1350 goto err_out_disable; 1351 sas_prep_resume_ha(sha); 1352 /* chip soft rst only for spc */ 1353 if (pm8001_ha->chip_id == chip_8001) { 1354 PM8001_CHIP_DISP->chip_soft_rst(pm8001_ha); 1355 pm8001_dbg(pm8001_ha, INIT, "chip soft reset successful\n"); 1356 } 1357 rc = PM8001_CHIP_DISP->chip_init(pm8001_ha); 1358 if (rc) 1359 goto err_out_disable; 1360 1361 /* disable all the interrupt bits */ 1362 PM8001_CHIP_DISP->interrupt_disable(pm8001_ha, 0xFF); 1363 1364 rc = pm8001_request_irq(pm8001_ha); 1365 if (rc) 1366 goto err_out_disable; 1367 #ifdef PM8001_USE_TASKLET 1368 /* Tasklet for non msi-x interrupt handler */ 1369 if ((!pdev->msix_cap || !pci_msi_enabled()) || 1370 (pm8001_ha->chip_id == chip_8001)) 1371 tasklet_init(&pm8001_ha->tasklet[0], pm8001_tasklet, 1372 (unsigned long)&(pm8001_ha->irq_vector[0])); 1373 else 1374 for (j = 0; j < PM8001_MAX_MSIX_VEC; j++) 1375 tasklet_init(&pm8001_ha->tasklet[j], pm8001_tasklet, 1376 (unsigned long)&(pm8001_ha->irq_vector[j])); 1377 #endif 1378 PM8001_CHIP_DISP->interrupt_enable(pm8001_ha, 0); 1379 if (pm8001_ha->chip_id != chip_8001) { 1380 for (i = 1; i < pm8001_ha->number_of_intr; i++) 1381 PM8001_CHIP_DISP->interrupt_enable(pm8001_ha, i); 1382 } 1383 1384 /* Chip documentation for the 8070 and 8072 SPCv */ 1385 /* states that a 500ms minimum delay is required */ 1386 /* before issuing commands. Otherwise, the firmware */ 1387 /* will enter an unrecoverable state. */ 1388 1389 if (pm8001_ha->chip_id == chip_8070 || 1390 pm8001_ha->chip_id == chip_8072) { 1391 mdelay(500); 1392 } 1393 1394 /* Spin up the PHYs */ 1395 1396 pm8001_ha->flags = PM8001F_RUN_TIME; 1397 for (i = 0; i < pm8001_ha->chip->n_phy; i++) { 1398 pm8001_ha->phy[i].enable_completion = &completion; 1399 PM8001_CHIP_DISP->phy_start_req(pm8001_ha, i); 1400 wait_for_completion(&completion); 1401 } 1402 sas_resume_ha(sha); 1403 return 0; 1404 1405 err_out_disable: 1406 scsi_remove_host(pm8001_ha->shost); 1407 1408 return rc; 1409 } 1410 1411 /* update of pci device, vendor id and driver data with 1412 * unique value for each of the controller 1413 */ 1414 static struct pci_device_id pm8001_pci_table[] = { 1415 { PCI_VDEVICE(PMC_Sierra, 0x8001), chip_8001 }, 1416 { PCI_VDEVICE(PMC_Sierra, 0x8006), chip_8006 }, 1417 { PCI_VDEVICE(ADAPTEC2, 0x8006), chip_8006 }, 1418 { PCI_VDEVICE(ATTO, 0x0042), chip_8001 }, 1419 /* Support for SPC/SPCv/SPCve controllers */ 1420 { PCI_VDEVICE(ADAPTEC2, 0x8001), chip_8001 }, 1421 { PCI_VDEVICE(PMC_Sierra, 0x8008), chip_8008 }, 1422 { PCI_VDEVICE(ADAPTEC2, 0x8008), chip_8008 }, 1423 { PCI_VDEVICE(PMC_Sierra, 0x8018), chip_8018 }, 1424 { PCI_VDEVICE(ADAPTEC2, 0x8018), chip_8018 }, 1425 { PCI_VDEVICE(PMC_Sierra, 0x8009), chip_8009 }, 1426 { PCI_VDEVICE(ADAPTEC2, 0x8009), chip_8009 }, 1427 { PCI_VDEVICE(PMC_Sierra, 0x8019), chip_8019 }, 1428 { PCI_VDEVICE(ADAPTEC2, 0x8019), chip_8019 }, 1429 { PCI_VDEVICE(PMC_Sierra, 0x8074), chip_8074 }, 1430 { PCI_VDEVICE(ADAPTEC2, 0x8074), chip_8074 }, 1431 { PCI_VDEVICE(PMC_Sierra, 0x8076), chip_8076 }, 1432 { PCI_VDEVICE(ADAPTEC2, 0x8076), chip_8076 }, 1433 { PCI_VDEVICE(PMC_Sierra, 0x8077), chip_8077 }, 1434 { PCI_VDEVICE(ADAPTEC2, 0x8077), chip_8077 }, 1435 { PCI_VENDOR_ID_ADAPTEC2, 0x8081, 1436 PCI_VENDOR_ID_ADAPTEC2, 0x0400, 0, 0, chip_8001 }, 1437 { PCI_VENDOR_ID_ADAPTEC2, 0x8081, 1438 PCI_VENDOR_ID_ADAPTEC2, 0x0800, 0, 0, chip_8001 }, 1439 { PCI_VENDOR_ID_ADAPTEC2, 0x8088, 1440 PCI_VENDOR_ID_ADAPTEC2, 0x0008, 0, 0, chip_8008 }, 1441 { PCI_VENDOR_ID_ADAPTEC2, 0x8088, 1442 PCI_VENDOR_ID_ADAPTEC2, 0x0800, 0, 0, chip_8008 }, 1443 { PCI_VENDOR_ID_ADAPTEC2, 0x8089, 1444 PCI_VENDOR_ID_ADAPTEC2, 0x0008, 0, 0, chip_8009 }, 1445 { PCI_VENDOR_ID_ADAPTEC2, 0x8089, 1446 PCI_VENDOR_ID_ADAPTEC2, 0x0800, 0, 0, chip_8009 }, 1447 { PCI_VENDOR_ID_ADAPTEC2, 0x8088, 1448 PCI_VENDOR_ID_ADAPTEC2, 0x0016, 0, 0, chip_8018 }, 1449 { PCI_VENDOR_ID_ADAPTEC2, 0x8088, 1450 PCI_VENDOR_ID_ADAPTEC2, 0x1600, 0, 0, chip_8018 }, 1451 { PCI_VENDOR_ID_ADAPTEC2, 0x8089, 1452 PCI_VENDOR_ID_ADAPTEC2, 0x0016, 0, 0, chip_8019 }, 1453 { PCI_VENDOR_ID_ADAPTEC2, 0x8089, 1454 PCI_VENDOR_ID_ADAPTEC2, 0x1600, 0, 0, chip_8019 }, 1455 { PCI_VENDOR_ID_ADAPTEC2, 0x8074, 1456 PCI_VENDOR_ID_ADAPTEC2, 0x0800, 0, 0, chip_8074 }, 1457 { PCI_VENDOR_ID_ADAPTEC2, 0x8076, 1458 PCI_VENDOR_ID_ADAPTEC2, 0x1600, 0, 0, chip_8076 }, 1459 { PCI_VENDOR_ID_ADAPTEC2, 0x8077, 1460 PCI_VENDOR_ID_ADAPTEC2, 0x1600, 0, 0, chip_8077 }, 1461 { PCI_VENDOR_ID_ADAPTEC2, 0x8074, 1462 PCI_VENDOR_ID_ADAPTEC2, 0x0008, 0, 0, chip_8074 }, 1463 { PCI_VENDOR_ID_ADAPTEC2, 0x8076, 1464 PCI_VENDOR_ID_ADAPTEC2, 0x0016, 0, 0, chip_8076 }, 1465 { PCI_VENDOR_ID_ADAPTEC2, 0x8077, 1466 PCI_VENDOR_ID_ADAPTEC2, 0x0016, 0, 0, chip_8077 }, 1467 { PCI_VENDOR_ID_ADAPTEC2, 0x8076, 1468 PCI_VENDOR_ID_ADAPTEC2, 0x0808, 0, 0, chip_8076 }, 1469 { PCI_VENDOR_ID_ADAPTEC2, 0x8077, 1470 PCI_VENDOR_ID_ADAPTEC2, 0x0808, 0, 0, chip_8077 }, 1471 { PCI_VENDOR_ID_ADAPTEC2, 0x8074, 1472 PCI_VENDOR_ID_ADAPTEC2, 0x0404, 0, 0, chip_8074 }, 1473 { PCI_VENDOR_ID_ATTO, 0x8070, 1474 PCI_VENDOR_ID_ATTO, 0x0070, 0, 0, chip_8070 }, 1475 { PCI_VENDOR_ID_ATTO, 0x8070, 1476 PCI_VENDOR_ID_ATTO, 0x0071, 0, 0, chip_8070 }, 1477 { PCI_VENDOR_ID_ATTO, 0x8072, 1478 PCI_VENDOR_ID_ATTO, 0x0072, 0, 0, chip_8072 }, 1479 { PCI_VENDOR_ID_ATTO, 0x8072, 1480 PCI_VENDOR_ID_ATTO, 0x0073, 0, 0, chip_8072 }, 1481 { PCI_VENDOR_ID_ATTO, 0x8070, 1482 PCI_VENDOR_ID_ATTO, 0x0080, 0, 0, chip_8070 }, 1483 { PCI_VENDOR_ID_ATTO, 0x8072, 1484 PCI_VENDOR_ID_ATTO, 0x0081, 0, 0, chip_8072 }, 1485 { PCI_VENDOR_ID_ATTO, 0x8072, 1486 PCI_VENDOR_ID_ATTO, 0x0082, 0, 0, chip_8072 }, 1487 {} /* terminate list */ 1488 }; 1489 1490 static SIMPLE_DEV_PM_OPS(pm8001_pci_pm_ops, 1491 pm8001_pci_suspend, 1492 pm8001_pci_resume); 1493 1494 static struct pci_driver pm8001_pci_driver = { 1495 .name = DRV_NAME, 1496 .id_table = pm8001_pci_table, 1497 .probe = pm8001_pci_probe, 1498 .remove = pm8001_pci_remove, 1499 .driver.pm = &pm8001_pci_pm_ops, 1500 }; 1501 1502 /** 1503 * pm8001_init - initialize scsi transport template 1504 */ 1505 static int __init pm8001_init(void) 1506 { 1507 int rc = -ENOMEM; 1508 1509 pm8001_wq = alloc_workqueue("pm80xx", 0, 0); 1510 if (!pm8001_wq) 1511 goto err; 1512 1513 pm8001_id = 0; 1514 pm8001_stt = sas_domain_attach_transport(&pm8001_transport_ops); 1515 if (!pm8001_stt) 1516 goto err_wq; 1517 rc = pci_register_driver(&pm8001_pci_driver); 1518 if (rc) 1519 goto err_tp; 1520 return 0; 1521 1522 err_tp: 1523 sas_release_transport(pm8001_stt); 1524 err_wq: 1525 destroy_workqueue(pm8001_wq); 1526 err: 1527 return rc; 1528 } 1529 1530 static void __exit pm8001_exit(void) 1531 { 1532 pci_unregister_driver(&pm8001_pci_driver); 1533 sas_release_transport(pm8001_stt); 1534 destroy_workqueue(pm8001_wq); 1535 } 1536 1537 module_init(pm8001_init); 1538 module_exit(pm8001_exit); 1539 1540 MODULE_AUTHOR("Jack Wang <jack_wang@usish.com>"); 1541 MODULE_AUTHOR("Anand Kumar Santhanam <AnandKumar.Santhanam@pmcs.com>"); 1542 MODULE_AUTHOR("Sangeetha Gnanasekaran <Sangeetha.Gnanasekaran@pmcs.com>"); 1543 MODULE_AUTHOR("Nikith Ganigarakoppal <Nikith.Ganigarakoppal@pmcs.com>"); 1544 MODULE_DESCRIPTION( 1545 "PMC-Sierra PM8001/8006/8081/8088/8089/8074/8076/8077/8070/8072 " 1546 "SAS/SATA controller driver"); 1547 MODULE_VERSION(DRV_VERSION); 1548 MODULE_LICENSE("GPL"); 1549 MODULE_DEVICE_TABLE(pci, pm8001_pci_table); 1550 1551