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 60 /** 61 * chip info structure to identify chip key functionality as 62 * encryption available/not, no of ports, hw specific function ref 63 */ 64 static const struct pm8001_chip_info pm8001_chips[] = { 65 [chip_8001] = {0, 8, &pm8001_8001_dispatch,}, 66 [chip_8008] = {0, 8, &pm8001_80xx_dispatch,}, 67 [chip_8009] = {1, 8, &pm8001_80xx_dispatch,}, 68 [chip_8018] = {0, 16, &pm8001_80xx_dispatch,}, 69 [chip_8019] = {1, 16, &pm8001_80xx_dispatch,}, 70 [chip_8074] = {0, 8, &pm8001_80xx_dispatch,}, 71 [chip_8076] = {0, 16, &pm8001_80xx_dispatch,}, 72 [chip_8077] = {0, 16, &pm8001_80xx_dispatch,}, 73 [chip_8006] = {0, 16, &pm8001_80xx_dispatch,}, 74 [chip_8070] = {0, 8, &pm8001_80xx_dispatch,}, 75 [chip_8072] = {0, 16, &pm8001_80xx_dispatch,}, 76 }; 77 static int pm8001_id; 78 79 LIST_HEAD(hba_list); 80 81 struct workqueue_struct *pm8001_wq; 82 83 /** 84 * The main structure which LLDD must register for scsi core. 85 */ 86 static struct scsi_host_template pm8001_sht = { 87 .module = THIS_MODULE, 88 .name = DRV_NAME, 89 .queuecommand = sas_queuecommand, 90 .dma_need_drain = ata_scsi_dma_need_drain, 91 .target_alloc = sas_target_alloc, 92 .slave_configure = sas_slave_configure, 93 .scan_finished = pm8001_scan_finished, 94 .scan_start = pm8001_scan_start, 95 .change_queue_depth = sas_change_queue_depth, 96 .bios_param = sas_bios_param, 97 .can_queue = 1, 98 .this_id = -1, 99 .sg_tablesize = PM8001_MAX_DMA_SG, 100 .max_sectors = SCSI_DEFAULT_MAX_SECTORS, 101 .eh_device_reset_handler = sas_eh_device_reset_handler, 102 .eh_target_reset_handler = sas_eh_target_reset_handler, 103 .target_destroy = sas_target_destroy, 104 .ioctl = sas_ioctl, 105 #ifdef CONFIG_COMPAT 106 .compat_ioctl = sas_ioctl, 107 #endif 108 .shost_attrs = pm8001_host_attrs, 109 .track_queue_depth = 1, 110 }; 111 112 /** 113 * Sas layer call this function to execute specific task. 114 */ 115 static struct sas_domain_function_template pm8001_transport_ops = { 116 .lldd_dev_found = pm8001_dev_found, 117 .lldd_dev_gone = pm8001_dev_gone, 118 119 .lldd_execute_task = pm8001_queue_command, 120 .lldd_control_phy = pm8001_phy_control, 121 122 .lldd_abort_task = pm8001_abort_task, 123 .lldd_abort_task_set = pm8001_abort_task_set, 124 .lldd_clear_aca = pm8001_clear_aca, 125 .lldd_clear_task_set = pm8001_clear_task_set, 126 .lldd_I_T_nexus_reset = pm8001_I_T_nexus_reset, 127 .lldd_lu_reset = pm8001_lu_reset, 128 .lldd_query_task = pm8001_query_task, 129 }; 130 131 /** 132 *pm8001_phy_init - initiate our adapter phys 133 *@pm8001_ha: our hba structure. 134 *@phy_id: phy id. 135 */ 136 static void pm8001_phy_init(struct pm8001_hba_info *pm8001_ha, int phy_id) 137 { 138 struct pm8001_phy *phy = &pm8001_ha->phy[phy_id]; 139 struct asd_sas_phy *sas_phy = &phy->sas_phy; 140 phy->phy_state = PHY_LINK_DISABLE; 141 phy->pm8001_ha = pm8001_ha; 142 sas_phy->enabled = (phy_id < pm8001_ha->chip->n_phy) ? 1 : 0; 143 sas_phy->class = SAS; 144 sas_phy->iproto = SAS_PROTOCOL_ALL; 145 sas_phy->tproto = 0; 146 sas_phy->type = PHY_TYPE_PHYSICAL; 147 sas_phy->role = PHY_ROLE_INITIATOR; 148 sas_phy->oob_mode = OOB_NOT_CONNECTED; 149 sas_phy->linkrate = SAS_LINK_RATE_UNKNOWN; 150 sas_phy->id = phy_id; 151 sas_phy->sas_addr = (u8 *)&phy->dev_sas_addr; 152 sas_phy->frame_rcvd = &phy->frame_rcvd[0]; 153 sas_phy->ha = (struct sas_ha_struct *)pm8001_ha->shost->hostdata; 154 sas_phy->lldd_phy = phy; 155 } 156 157 /** 158 *pm8001_free - free hba 159 *@pm8001_ha: our hba structure. 160 * 161 */ 162 static void pm8001_free(struct pm8001_hba_info *pm8001_ha) 163 { 164 int i; 165 166 if (!pm8001_ha) 167 return; 168 169 for (i = 0; i < USI_MAX_MEMCNT; i++) { 170 if (pm8001_ha->memoryMap.region[i].virt_ptr != NULL) { 171 dma_free_coherent(&pm8001_ha->pdev->dev, 172 (pm8001_ha->memoryMap.region[i].total_len + 173 pm8001_ha->memoryMap.region[i].alignment), 174 pm8001_ha->memoryMap.region[i].virt_ptr, 175 pm8001_ha->memoryMap.region[i].phys_addr); 176 } 177 } 178 PM8001_CHIP_DISP->chip_iounmap(pm8001_ha); 179 flush_workqueue(pm8001_wq); 180 kfree(pm8001_ha->tags); 181 kfree(pm8001_ha); 182 } 183 184 #ifdef PM8001_USE_TASKLET 185 186 /** 187 * tasklet for 64 msi-x interrupt handler 188 * @opaque: the passed general host adapter struct 189 * Note: pm8001_tasklet is common for pm8001 & pm80xx 190 */ 191 static void pm8001_tasklet(unsigned long opaque) 192 { 193 struct pm8001_hba_info *pm8001_ha; 194 struct isr_param *irq_vector; 195 196 irq_vector = (struct isr_param *)opaque; 197 pm8001_ha = irq_vector->drv_inst; 198 if (unlikely(!pm8001_ha)) 199 BUG_ON(1); 200 PM8001_CHIP_DISP->isr(pm8001_ha, irq_vector->irq_id); 201 } 202 #endif 203 204 /** 205 * pm8001_interrupt_handler_msix - main MSIX interrupt handler. 206 * It obtains the vector number and calls the equivalent bottom 207 * half or services directly. 208 * @opaque: the passed outbound queue/vector. Host structure is 209 * retrieved from the same. 210 */ 211 static irqreturn_t pm8001_interrupt_handler_msix(int irq, void *opaque) 212 { 213 struct isr_param *irq_vector; 214 struct pm8001_hba_info *pm8001_ha; 215 irqreturn_t ret = IRQ_HANDLED; 216 irq_vector = (struct isr_param *)opaque; 217 pm8001_ha = irq_vector->drv_inst; 218 219 if (unlikely(!pm8001_ha)) 220 return IRQ_NONE; 221 if (!PM8001_CHIP_DISP->is_our_interrupt(pm8001_ha)) 222 return IRQ_NONE; 223 #ifdef PM8001_USE_TASKLET 224 tasklet_schedule(&pm8001_ha->tasklet[irq_vector->irq_id]); 225 #else 226 ret = PM8001_CHIP_DISP->isr(pm8001_ha, irq_vector->irq_id); 227 #endif 228 return ret; 229 } 230 231 /** 232 * pm8001_interrupt_handler_intx - main INTx interrupt handler. 233 * @dev_id: sas_ha structure. The HBA is retrieved from sas_has structure. 234 */ 235 236 static irqreturn_t pm8001_interrupt_handler_intx(int irq, void *dev_id) 237 { 238 struct pm8001_hba_info *pm8001_ha; 239 irqreturn_t ret = IRQ_HANDLED; 240 struct sas_ha_struct *sha = dev_id; 241 pm8001_ha = sha->lldd_ha; 242 if (unlikely(!pm8001_ha)) 243 return IRQ_NONE; 244 if (!PM8001_CHIP_DISP->is_our_interrupt(pm8001_ha)) 245 return IRQ_NONE; 246 247 #ifdef PM8001_USE_TASKLET 248 tasklet_schedule(&pm8001_ha->tasklet[0]); 249 #else 250 ret = PM8001_CHIP_DISP->isr(pm8001_ha, 0); 251 #endif 252 return ret; 253 } 254 255 static u32 pm8001_setup_irq(struct pm8001_hba_info *pm8001_ha); 256 static u32 pm8001_request_irq(struct pm8001_hba_info *pm8001_ha); 257 258 /** 259 * pm8001_alloc - initiate our hba structure and 6 DMAs area. 260 * @pm8001_ha:our hba structure. 261 * 262 */ 263 static int pm8001_alloc(struct pm8001_hba_info *pm8001_ha, 264 const struct pci_device_id *ent) 265 { 266 int i; 267 spin_lock_init(&pm8001_ha->lock); 268 spin_lock_init(&pm8001_ha->bitmap_lock); 269 PM8001_INIT_DBG(pm8001_ha, 270 pm8001_printk("pm8001_alloc: PHY:%x\n", 271 pm8001_ha->chip->n_phy)); 272 for (i = 0; i < pm8001_ha->chip->n_phy; i++) { 273 pm8001_phy_init(pm8001_ha, i); 274 pm8001_ha->port[i].wide_port_phymap = 0; 275 pm8001_ha->port[i].port_attached = 0; 276 pm8001_ha->port[i].port_state = 0; 277 INIT_LIST_HEAD(&pm8001_ha->port[i].list); 278 } 279 280 pm8001_ha->tags = kzalloc(PM8001_MAX_CCB, GFP_KERNEL); 281 if (!pm8001_ha->tags) 282 goto err_out; 283 /* MPI Memory region 1 for AAP Event Log for fw */ 284 pm8001_ha->memoryMap.region[AAP1].num_elements = 1; 285 pm8001_ha->memoryMap.region[AAP1].element_size = PM8001_EVENT_LOG_SIZE; 286 pm8001_ha->memoryMap.region[AAP1].total_len = PM8001_EVENT_LOG_SIZE; 287 pm8001_ha->memoryMap.region[AAP1].alignment = 32; 288 289 /* MPI Memory region 2 for IOP Event Log for fw */ 290 pm8001_ha->memoryMap.region[IOP].num_elements = 1; 291 pm8001_ha->memoryMap.region[IOP].element_size = PM8001_EVENT_LOG_SIZE; 292 pm8001_ha->memoryMap.region[IOP].total_len = PM8001_EVENT_LOG_SIZE; 293 pm8001_ha->memoryMap.region[IOP].alignment = 32; 294 295 for (i = 0; i < PM8001_MAX_SPCV_INB_NUM; i++) { 296 /* MPI Memory region 3 for consumer Index of inbound queues */ 297 pm8001_ha->memoryMap.region[CI+i].num_elements = 1; 298 pm8001_ha->memoryMap.region[CI+i].element_size = 4; 299 pm8001_ha->memoryMap.region[CI+i].total_len = 4; 300 pm8001_ha->memoryMap.region[CI+i].alignment = 4; 301 302 if ((ent->driver_data) != chip_8001) { 303 /* MPI Memory region 5 inbound queues */ 304 pm8001_ha->memoryMap.region[IB+i].num_elements = 305 PM8001_MPI_QUEUE; 306 pm8001_ha->memoryMap.region[IB+i].element_size = 128; 307 pm8001_ha->memoryMap.region[IB+i].total_len = 308 PM8001_MPI_QUEUE * 128; 309 pm8001_ha->memoryMap.region[IB+i].alignment = 128; 310 } else { 311 pm8001_ha->memoryMap.region[IB+i].num_elements = 312 PM8001_MPI_QUEUE; 313 pm8001_ha->memoryMap.region[IB+i].element_size = 64; 314 pm8001_ha->memoryMap.region[IB+i].total_len = 315 PM8001_MPI_QUEUE * 64; 316 pm8001_ha->memoryMap.region[IB+i].alignment = 64; 317 } 318 } 319 320 for (i = 0; i < PM8001_MAX_SPCV_OUTB_NUM; i++) { 321 /* MPI Memory region 4 for producer Index of outbound queues */ 322 pm8001_ha->memoryMap.region[PI+i].num_elements = 1; 323 pm8001_ha->memoryMap.region[PI+i].element_size = 4; 324 pm8001_ha->memoryMap.region[PI+i].total_len = 4; 325 pm8001_ha->memoryMap.region[PI+i].alignment = 4; 326 327 if (ent->driver_data != chip_8001) { 328 /* MPI Memory region 6 Outbound queues */ 329 pm8001_ha->memoryMap.region[OB+i].num_elements = 330 PM8001_MPI_QUEUE; 331 pm8001_ha->memoryMap.region[OB+i].element_size = 128; 332 pm8001_ha->memoryMap.region[OB+i].total_len = 333 PM8001_MPI_QUEUE * 128; 334 pm8001_ha->memoryMap.region[OB+i].alignment = 128; 335 } else { 336 /* MPI Memory region 6 Outbound queues */ 337 pm8001_ha->memoryMap.region[OB+i].num_elements = 338 PM8001_MPI_QUEUE; 339 pm8001_ha->memoryMap.region[OB+i].element_size = 64; 340 pm8001_ha->memoryMap.region[OB+i].total_len = 341 PM8001_MPI_QUEUE * 64; 342 pm8001_ha->memoryMap.region[OB+i].alignment = 64; 343 } 344 345 } 346 /* Memory region write DMA*/ 347 pm8001_ha->memoryMap.region[NVMD].num_elements = 1; 348 pm8001_ha->memoryMap.region[NVMD].element_size = 4096; 349 pm8001_ha->memoryMap.region[NVMD].total_len = 4096; 350 /* Memory region for devices*/ 351 pm8001_ha->memoryMap.region[DEV_MEM].num_elements = 1; 352 pm8001_ha->memoryMap.region[DEV_MEM].element_size = PM8001_MAX_DEVICES * 353 sizeof(struct pm8001_device); 354 pm8001_ha->memoryMap.region[DEV_MEM].total_len = PM8001_MAX_DEVICES * 355 sizeof(struct pm8001_device); 356 357 /* Memory region for ccb_info*/ 358 pm8001_ha->memoryMap.region[CCB_MEM].num_elements = 1; 359 pm8001_ha->memoryMap.region[CCB_MEM].element_size = PM8001_MAX_CCB * 360 sizeof(struct pm8001_ccb_info); 361 pm8001_ha->memoryMap.region[CCB_MEM].total_len = PM8001_MAX_CCB * 362 sizeof(struct pm8001_ccb_info); 363 364 /* Memory region for fw flash */ 365 pm8001_ha->memoryMap.region[FW_FLASH].total_len = 4096; 366 367 pm8001_ha->memoryMap.region[FORENSIC_MEM].num_elements = 1; 368 pm8001_ha->memoryMap.region[FORENSIC_MEM].total_len = 0x10000; 369 pm8001_ha->memoryMap.region[FORENSIC_MEM].element_size = 0x10000; 370 pm8001_ha->memoryMap.region[FORENSIC_MEM].alignment = 0x10000; 371 for (i = 0; i < USI_MAX_MEMCNT; i++) { 372 if (pm8001_mem_alloc(pm8001_ha->pdev, 373 &pm8001_ha->memoryMap.region[i].virt_ptr, 374 &pm8001_ha->memoryMap.region[i].phys_addr, 375 &pm8001_ha->memoryMap.region[i].phys_addr_hi, 376 &pm8001_ha->memoryMap.region[i].phys_addr_lo, 377 pm8001_ha->memoryMap.region[i].total_len, 378 pm8001_ha->memoryMap.region[i].alignment) != 0) { 379 PM8001_FAIL_DBG(pm8001_ha, 380 pm8001_printk("Mem%d alloc failed\n", 381 i)); 382 goto err_out; 383 } 384 } 385 386 pm8001_ha->devices = pm8001_ha->memoryMap.region[DEV_MEM].virt_ptr; 387 for (i = 0; i < PM8001_MAX_DEVICES; i++) { 388 pm8001_ha->devices[i].dev_type = SAS_PHY_UNUSED; 389 pm8001_ha->devices[i].id = i; 390 pm8001_ha->devices[i].device_id = PM8001_MAX_DEVICES; 391 pm8001_ha->devices[i].running_req = 0; 392 } 393 pm8001_ha->ccb_info = pm8001_ha->memoryMap.region[CCB_MEM].virt_ptr; 394 for (i = 0; i < PM8001_MAX_CCB; i++) { 395 pm8001_ha->ccb_info[i].ccb_dma_handle = 396 pm8001_ha->memoryMap.region[CCB_MEM].phys_addr + 397 i * sizeof(struct pm8001_ccb_info); 398 pm8001_ha->ccb_info[i].task = NULL; 399 pm8001_ha->ccb_info[i].ccb_tag = 0xffffffff; 400 pm8001_ha->ccb_info[i].device = NULL; 401 ++pm8001_ha->tags_num; 402 } 403 pm8001_ha->flags = PM8001F_INIT_TIME; 404 /* Initialize tags */ 405 pm8001_tag_init(pm8001_ha); 406 return 0; 407 err_out: 408 return 1; 409 } 410 411 /** 412 * pm8001_ioremap - remap the pci high physical address to kernal virtual 413 * address so that we can access them. 414 * @pm8001_ha:our hba structure. 415 */ 416 static int pm8001_ioremap(struct pm8001_hba_info *pm8001_ha) 417 { 418 u32 bar; 419 u32 logicalBar = 0; 420 struct pci_dev *pdev; 421 422 pdev = pm8001_ha->pdev; 423 /* map pci mem (PMC pci base 0-3)*/ 424 for (bar = 0; bar < PCI_STD_NUM_BARS; bar++) { 425 /* 426 ** logical BARs for SPC: 427 ** bar 0 and 1 - logical BAR0 428 ** bar 2 and 3 - logical BAR1 429 ** bar4 - logical BAR2 430 ** bar5 - logical BAR3 431 ** Skip the appropriate assignments: 432 */ 433 if ((bar == 1) || (bar == 3)) 434 continue; 435 if (pci_resource_flags(pdev, bar) & IORESOURCE_MEM) { 436 pm8001_ha->io_mem[logicalBar].membase = 437 pci_resource_start(pdev, bar); 438 pm8001_ha->io_mem[logicalBar].memsize = 439 pci_resource_len(pdev, bar); 440 pm8001_ha->io_mem[logicalBar].memvirtaddr = 441 ioremap(pm8001_ha->io_mem[logicalBar].membase, 442 pm8001_ha->io_mem[logicalBar].memsize); 443 PM8001_INIT_DBG(pm8001_ha, 444 pm8001_printk("PCI: bar %d, logicalBar %d ", 445 bar, logicalBar)); 446 PM8001_INIT_DBG(pm8001_ha, pm8001_printk( 447 "base addr %llx virt_addr=%llx len=%d\n", 448 (u64)pm8001_ha->io_mem[logicalBar].membase, 449 (u64)(unsigned long) 450 pm8001_ha->io_mem[logicalBar].memvirtaddr, 451 pm8001_ha->io_mem[logicalBar].memsize)); 452 } else { 453 pm8001_ha->io_mem[logicalBar].membase = 0; 454 pm8001_ha->io_mem[logicalBar].memsize = 0; 455 pm8001_ha->io_mem[logicalBar].memvirtaddr = NULL; 456 } 457 logicalBar++; 458 } 459 return 0; 460 } 461 462 /** 463 * pm8001_pci_alloc - initialize our ha card structure 464 * @pdev: pci device. 465 * @ent: ent 466 * @shost: scsi host struct which has been initialized before. 467 */ 468 static struct pm8001_hba_info *pm8001_pci_alloc(struct pci_dev *pdev, 469 const struct pci_device_id *ent, 470 struct Scsi_Host *shost) 471 472 { 473 struct pm8001_hba_info *pm8001_ha; 474 struct sas_ha_struct *sha = SHOST_TO_SAS_HA(shost); 475 int j; 476 477 pm8001_ha = sha->lldd_ha; 478 if (!pm8001_ha) 479 return NULL; 480 481 pm8001_ha->pdev = pdev; 482 pm8001_ha->dev = &pdev->dev; 483 pm8001_ha->chip_id = ent->driver_data; 484 pm8001_ha->chip = &pm8001_chips[pm8001_ha->chip_id]; 485 pm8001_ha->irq = pdev->irq; 486 pm8001_ha->sas = sha; 487 pm8001_ha->shost = shost; 488 pm8001_ha->id = pm8001_id++; 489 pm8001_ha->logging_level = logging_level; 490 pm8001_ha->non_fatal_count = 0; 491 if (link_rate >= 1 && link_rate <= 15) 492 pm8001_ha->link_rate = (link_rate << 8); 493 else { 494 pm8001_ha->link_rate = LINKRATE_15 | LINKRATE_30 | 495 LINKRATE_60 | LINKRATE_120; 496 PM8001_FAIL_DBG(pm8001_ha, pm8001_printk( 497 "Setting link rate to default value\n")); 498 } 499 sprintf(pm8001_ha->name, "%s%d", DRV_NAME, pm8001_ha->id); 500 /* IOMB size is 128 for 8088/89 controllers */ 501 if (pm8001_ha->chip_id != chip_8001) 502 pm8001_ha->iomb_size = IOMB_SIZE_SPCV; 503 else 504 pm8001_ha->iomb_size = IOMB_SIZE_SPC; 505 506 #ifdef PM8001_USE_TASKLET 507 /* Tasklet for non msi-x interrupt handler */ 508 if ((!pdev->msix_cap || !pci_msi_enabled()) 509 || (pm8001_ha->chip_id == chip_8001)) 510 tasklet_init(&pm8001_ha->tasklet[0], pm8001_tasklet, 511 (unsigned long)&(pm8001_ha->irq_vector[0])); 512 else 513 for (j = 0; j < PM8001_MAX_MSIX_VEC; j++) 514 tasklet_init(&pm8001_ha->tasklet[j], pm8001_tasklet, 515 (unsigned long)&(pm8001_ha->irq_vector[j])); 516 #endif 517 pm8001_ioremap(pm8001_ha); 518 if (!pm8001_alloc(pm8001_ha, ent)) 519 return pm8001_ha; 520 pm8001_free(pm8001_ha); 521 return NULL; 522 } 523 524 /** 525 * pci_go_44 - pm8001 specified, its DMA is 44 bit rather than 64 bit 526 * @pdev: pci device. 527 */ 528 static int pci_go_44(struct pci_dev *pdev) 529 { 530 int rc; 531 532 rc = dma_set_mask_and_coherent(&pdev->dev, DMA_BIT_MASK(44)); 533 if (rc) { 534 rc = dma_set_mask_and_coherent(&pdev->dev, DMA_BIT_MASK(32)); 535 if (rc) 536 dev_printk(KERN_ERR, &pdev->dev, 537 "32-bit DMA enable failed\n"); 538 } 539 return rc; 540 } 541 542 /** 543 * pm8001_prep_sas_ha_init - allocate memory in general hba struct && init them. 544 * @shost: scsi host which has been allocated outside. 545 * @chip_info: our ha struct. 546 */ 547 static int pm8001_prep_sas_ha_init(struct Scsi_Host *shost, 548 const struct pm8001_chip_info *chip_info) 549 { 550 int phy_nr, port_nr; 551 struct asd_sas_phy **arr_phy; 552 struct asd_sas_port **arr_port; 553 struct sas_ha_struct *sha = SHOST_TO_SAS_HA(shost); 554 555 phy_nr = chip_info->n_phy; 556 port_nr = phy_nr; 557 memset(sha, 0x00, sizeof(*sha)); 558 arr_phy = kcalloc(phy_nr, sizeof(void *), GFP_KERNEL); 559 if (!arr_phy) 560 goto exit; 561 arr_port = kcalloc(port_nr, sizeof(void *), GFP_KERNEL); 562 if (!arr_port) 563 goto exit_free2; 564 565 sha->sas_phy = arr_phy; 566 sha->sas_port = arr_port; 567 sha->lldd_ha = kzalloc(sizeof(struct pm8001_hba_info), GFP_KERNEL); 568 if (!sha->lldd_ha) 569 goto exit_free1; 570 571 shost->transportt = pm8001_stt; 572 shost->max_id = PM8001_MAX_DEVICES; 573 shost->max_lun = 8; 574 shost->max_channel = 0; 575 shost->unique_id = pm8001_id; 576 shost->max_cmd_len = 16; 577 shost->can_queue = PM8001_CAN_QUEUE; 578 shost->cmd_per_lun = 32; 579 return 0; 580 exit_free1: 581 kfree(arr_port); 582 exit_free2: 583 kfree(arr_phy); 584 exit: 585 return -1; 586 } 587 588 /** 589 * pm8001_post_sas_ha_init - initialize general hba struct defined in libsas 590 * @shost: scsi host which has been allocated outside 591 * @chip_info: our ha struct. 592 */ 593 static void pm8001_post_sas_ha_init(struct Scsi_Host *shost, 594 const struct pm8001_chip_info *chip_info) 595 { 596 int i = 0; 597 struct pm8001_hba_info *pm8001_ha; 598 struct sas_ha_struct *sha = SHOST_TO_SAS_HA(shost); 599 600 pm8001_ha = sha->lldd_ha; 601 for (i = 0; i < chip_info->n_phy; i++) { 602 sha->sas_phy[i] = &pm8001_ha->phy[i].sas_phy; 603 sha->sas_port[i] = &pm8001_ha->port[i].sas_port; 604 sha->sas_phy[i]->sas_addr = 605 (u8 *)&pm8001_ha->phy[i].dev_sas_addr; 606 } 607 sha->sas_ha_name = DRV_NAME; 608 sha->dev = pm8001_ha->dev; 609 sha->strict_wide_ports = 1; 610 sha->lldd_module = THIS_MODULE; 611 sha->sas_addr = &pm8001_ha->sas_addr[0]; 612 sha->num_phys = chip_info->n_phy; 613 sha->core.shost = shost; 614 } 615 616 /** 617 * pm8001_init_sas_add - initialize sas address 618 * @chip_info: our ha struct. 619 * 620 * Currently we just set the fixed SAS address to our HBA,for manufacture, 621 * it should read from the EEPROM 622 */ 623 static void pm8001_init_sas_add(struct pm8001_hba_info *pm8001_ha) 624 { 625 u8 i, j; 626 u8 sas_add[8]; 627 #ifdef PM8001_READ_VPD 628 /* For new SPC controllers WWN is stored in flash vpd 629 * For SPC/SPCve controllers WWN is stored in EEPROM 630 * For Older SPC WWN is stored in NVMD 631 */ 632 DECLARE_COMPLETION_ONSTACK(completion); 633 struct pm8001_ioctl_payload payload; 634 u16 deviceid; 635 int rc; 636 637 pci_read_config_word(pm8001_ha->pdev, PCI_DEVICE_ID, &deviceid); 638 pm8001_ha->nvmd_completion = &completion; 639 640 if (pm8001_ha->chip_id == chip_8001) { 641 if (deviceid == 0x8081 || deviceid == 0x0042) { 642 payload.minor_function = 4; 643 payload.rd_length = 4096; 644 } else { 645 payload.minor_function = 0; 646 payload.rd_length = 128; 647 } 648 } else if ((pm8001_ha->chip_id == chip_8070 || 649 pm8001_ha->chip_id == chip_8072) && 650 pm8001_ha->pdev->subsystem_vendor == PCI_VENDOR_ID_ATTO) { 651 payload.minor_function = 4; 652 payload.rd_length = 4096; 653 } else { 654 payload.minor_function = 1; 655 payload.rd_length = 4096; 656 } 657 payload.offset = 0; 658 payload.func_specific = kzalloc(payload.rd_length, GFP_KERNEL); 659 if (!payload.func_specific) { 660 PM8001_INIT_DBG(pm8001_ha, pm8001_printk("mem alloc fail\n")); 661 return; 662 } 663 rc = PM8001_CHIP_DISP->get_nvmd_req(pm8001_ha, &payload); 664 if (rc) { 665 kfree(payload.func_specific); 666 PM8001_INIT_DBG(pm8001_ha, pm8001_printk("nvmd failed\n")); 667 return; 668 } 669 wait_for_completion(&completion); 670 671 for (i = 0, j = 0; i <= 7; i++, j++) { 672 if (pm8001_ha->chip_id == chip_8001) { 673 if (deviceid == 0x8081) 674 pm8001_ha->sas_addr[j] = 675 payload.func_specific[0x704 + i]; 676 else if (deviceid == 0x0042) 677 pm8001_ha->sas_addr[j] = 678 payload.func_specific[0x010 + i]; 679 } else if ((pm8001_ha->chip_id == chip_8070 || 680 pm8001_ha->chip_id == chip_8072) && 681 pm8001_ha->pdev->subsystem_vendor == PCI_VENDOR_ID_ATTO) { 682 pm8001_ha->sas_addr[j] = 683 payload.func_specific[0x010 + i]; 684 } else 685 pm8001_ha->sas_addr[j] = 686 payload.func_specific[0x804 + i]; 687 } 688 memcpy(sas_add, pm8001_ha->sas_addr, SAS_ADDR_SIZE); 689 for (i = 0; i < pm8001_ha->chip->n_phy; i++) { 690 if (i && ((i % 4) == 0)) 691 sas_add[7] = sas_add[7] + 4; 692 memcpy(&pm8001_ha->phy[i].dev_sas_addr, 693 sas_add, SAS_ADDR_SIZE); 694 PM8001_INIT_DBG(pm8001_ha, 695 pm8001_printk("phy %d sas_addr = %016llx\n", i, 696 pm8001_ha->phy[i].dev_sas_addr)); 697 } 698 kfree(payload.func_specific); 699 #else 700 for (i = 0; i < pm8001_ha->chip->n_phy; i++) { 701 pm8001_ha->phy[i].dev_sas_addr = 0x50010c600047f9d0ULL; 702 pm8001_ha->phy[i].dev_sas_addr = 703 cpu_to_be64((u64) 704 (*(u64 *)&pm8001_ha->phy[i].dev_sas_addr)); 705 } 706 memcpy(pm8001_ha->sas_addr, &pm8001_ha->phy[0].dev_sas_addr, 707 SAS_ADDR_SIZE); 708 #endif 709 } 710 711 /* 712 * pm8001_get_phy_settings_info : Read phy setting values. 713 * @pm8001_ha : our hba. 714 */ 715 static int pm8001_get_phy_settings_info(struct pm8001_hba_info *pm8001_ha) 716 { 717 718 #ifdef PM8001_READ_VPD 719 /*OPTION ROM FLASH read for the SPC cards */ 720 DECLARE_COMPLETION_ONSTACK(completion); 721 struct pm8001_ioctl_payload payload; 722 int rc; 723 724 pm8001_ha->nvmd_completion = &completion; 725 /* SAS ADDRESS read from flash / EEPROM */ 726 payload.minor_function = 6; 727 payload.offset = 0; 728 payload.rd_length = 4096; 729 payload.func_specific = kzalloc(4096, GFP_KERNEL); 730 if (!payload.func_specific) 731 return -ENOMEM; 732 /* Read phy setting values from flash */ 733 rc = PM8001_CHIP_DISP->get_nvmd_req(pm8001_ha, &payload); 734 if (rc) { 735 kfree(payload.func_specific); 736 PM8001_INIT_DBG(pm8001_ha, pm8001_printk("nvmd failed\n")); 737 return -ENOMEM; 738 } 739 wait_for_completion(&completion); 740 pm8001_set_phy_profile(pm8001_ha, sizeof(u8), payload.func_specific); 741 kfree(payload.func_specific); 742 #endif 743 return 0; 744 } 745 746 struct pm8001_mpi3_phy_pg_trx_config { 747 u32 LaneLosCfg; 748 u32 LanePgaCfg1; 749 u32 LanePisoCfg1; 750 u32 LanePisoCfg2; 751 u32 LanePisoCfg3; 752 u32 LanePisoCfg4; 753 u32 LanePisoCfg5; 754 u32 LanePisoCfg6; 755 u32 LaneBctCtrl; 756 }; 757 758 /** 759 * pm8001_get_internal_phy_settings : Retrieves the internal PHY settings 760 * @pm8001_ha : our adapter 761 * @phycfg : PHY config page to populate 762 */ 763 static 764 void pm8001_get_internal_phy_settings(struct pm8001_hba_info *pm8001_ha, 765 struct pm8001_mpi3_phy_pg_trx_config *phycfg) 766 { 767 phycfg->LaneLosCfg = 0x00000132; 768 phycfg->LanePgaCfg1 = 0x00203949; 769 phycfg->LanePisoCfg1 = 0x000000FF; 770 phycfg->LanePisoCfg2 = 0xFF000001; 771 phycfg->LanePisoCfg3 = 0xE7011300; 772 phycfg->LanePisoCfg4 = 0x631C40C0; 773 phycfg->LanePisoCfg5 = 0xF8102036; 774 phycfg->LanePisoCfg6 = 0xF74A1000; 775 phycfg->LaneBctCtrl = 0x00FB33F8; 776 } 777 778 /** 779 * pm8001_get_external_phy_settings : Retrieves the external PHY settings 780 * @pm8001_ha : our adapter 781 * @phycfg : PHY config page to populate 782 */ 783 static 784 void pm8001_get_external_phy_settings(struct pm8001_hba_info *pm8001_ha, 785 struct pm8001_mpi3_phy_pg_trx_config *phycfg) 786 { 787 phycfg->LaneLosCfg = 0x00000132; 788 phycfg->LanePgaCfg1 = 0x00203949; 789 phycfg->LanePisoCfg1 = 0x000000FF; 790 phycfg->LanePisoCfg2 = 0xFF000001; 791 phycfg->LanePisoCfg3 = 0xE7011300; 792 phycfg->LanePisoCfg4 = 0x63349140; 793 phycfg->LanePisoCfg5 = 0xF8102036; 794 phycfg->LanePisoCfg6 = 0xF80D9300; 795 phycfg->LaneBctCtrl = 0x00FB33F8; 796 } 797 798 /** 799 * pm8001_get_phy_mask : Retrieves the mask that denotes if a PHY is int/ext 800 * @pm8001_ha : our adapter 801 * @phymask : The PHY mask 802 */ 803 static 804 void pm8001_get_phy_mask(struct pm8001_hba_info *pm8001_ha, int *phymask) 805 { 806 switch (pm8001_ha->pdev->subsystem_device) { 807 case 0x0070: /* H1280 - 8 external 0 internal */ 808 case 0x0072: /* H12F0 - 16 external 0 internal */ 809 *phymask = 0x0000; 810 break; 811 812 case 0x0071: /* H1208 - 0 external 8 internal */ 813 case 0x0073: /* H120F - 0 external 16 internal */ 814 *phymask = 0xFFFF; 815 break; 816 817 case 0x0080: /* H1244 - 4 external 4 internal */ 818 *phymask = 0x00F0; 819 break; 820 821 case 0x0081: /* H1248 - 4 external 8 internal */ 822 *phymask = 0x0FF0; 823 break; 824 825 case 0x0082: /* H1288 - 8 external 8 internal */ 826 *phymask = 0xFF00; 827 break; 828 829 default: 830 PM8001_INIT_DBG(pm8001_ha, 831 pm8001_printk("Unknown subsystem device=0x%.04x", 832 pm8001_ha->pdev->subsystem_device)); 833 } 834 } 835 836 /** 837 * pm8001_set_phy_settings_ven_117c_12Gb : Configure ATTO 12Gb PHY settings 838 * @pm8001_ha : our adapter 839 */ 840 static 841 int pm8001_set_phy_settings_ven_117c_12G(struct pm8001_hba_info *pm8001_ha) 842 { 843 struct pm8001_mpi3_phy_pg_trx_config phycfg_int; 844 struct pm8001_mpi3_phy_pg_trx_config phycfg_ext; 845 int phymask = 0; 846 int i = 0; 847 848 memset(&phycfg_int, 0, sizeof(phycfg_int)); 849 memset(&phycfg_ext, 0, sizeof(phycfg_ext)); 850 851 pm8001_get_internal_phy_settings(pm8001_ha, &phycfg_int); 852 pm8001_get_external_phy_settings(pm8001_ha, &phycfg_ext); 853 pm8001_get_phy_mask(pm8001_ha, &phymask); 854 855 for (i = 0; i < pm8001_ha->chip->n_phy; i++) { 856 if (phymask & (1 << i)) {/* Internal PHY */ 857 pm8001_set_phy_profile_single(pm8001_ha, i, 858 sizeof(phycfg_int) / sizeof(u32), 859 (u32 *)&phycfg_int); 860 861 } else { /* External PHY */ 862 pm8001_set_phy_profile_single(pm8001_ha, i, 863 sizeof(phycfg_ext) / sizeof(u32), 864 (u32 *)&phycfg_ext); 865 } 866 } 867 868 return 0; 869 } 870 871 /** 872 * pm8001_configure_phy_settings : Configures PHY settings based on vendor ID. 873 * @pm8001_ha : our hba. 874 */ 875 static int pm8001_configure_phy_settings(struct pm8001_hba_info *pm8001_ha) 876 { 877 switch (pm8001_ha->pdev->subsystem_vendor) { 878 case PCI_VENDOR_ID_ATTO: 879 if (pm8001_ha->pdev->device == 0x0042) /* 6Gb */ 880 return 0; 881 else 882 return pm8001_set_phy_settings_ven_117c_12G(pm8001_ha); 883 884 case PCI_VENDOR_ID_ADAPTEC2: 885 case 0: 886 return 0; 887 888 default: 889 return pm8001_get_phy_settings_info(pm8001_ha); 890 } 891 } 892 893 #ifdef PM8001_USE_MSIX 894 /** 895 * pm8001_setup_msix - enable MSI-X interrupt 896 * @chip_info: our ha struct. 897 * @irq_handler: irq_handler 898 */ 899 static u32 pm8001_setup_msix(struct pm8001_hba_info *pm8001_ha) 900 { 901 u32 number_of_intr; 902 int rc; 903 904 /* SPCv controllers supports 64 msi-x */ 905 if (pm8001_ha->chip_id == chip_8001) { 906 number_of_intr = 1; 907 } else { 908 number_of_intr = PM8001_MAX_MSIX_VEC; 909 } 910 911 rc = pci_alloc_irq_vectors(pm8001_ha->pdev, number_of_intr, 912 number_of_intr, PCI_IRQ_MSIX); 913 number_of_intr = rc; 914 if (rc < 0) 915 return rc; 916 pm8001_ha->number_of_intr = number_of_intr; 917 918 PM8001_INIT_DBG(pm8001_ha, pm8001_printk( 919 "pci_alloc_irq_vectors request ret:%d no of intr %d\n", 920 rc, pm8001_ha->number_of_intr)); 921 return 0; 922 } 923 924 static u32 pm8001_request_msix(struct pm8001_hba_info *pm8001_ha) 925 { 926 u32 i = 0, j = 0; 927 int flag = 0, rc = 0; 928 929 if (pm8001_ha->chip_id != chip_8001) 930 flag &= ~IRQF_SHARED; 931 932 PM8001_INIT_DBG(pm8001_ha, 933 pm8001_printk("pci_enable_msix request number of intr %d\n", 934 pm8001_ha->number_of_intr)); 935 936 for (i = 0; i < pm8001_ha->number_of_intr; i++) { 937 snprintf(pm8001_ha->intr_drvname[i], 938 sizeof(pm8001_ha->intr_drvname[0]), 939 "%s-%d", pm8001_ha->name, i); 940 pm8001_ha->irq_vector[i].irq_id = i; 941 pm8001_ha->irq_vector[i].drv_inst = pm8001_ha; 942 943 rc = request_irq(pci_irq_vector(pm8001_ha->pdev, i), 944 pm8001_interrupt_handler_msix, flag, 945 pm8001_ha->intr_drvname[i], 946 &(pm8001_ha->irq_vector[i])); 947 if (rc) { 948 for (j = 0; j < i; j++) { 949 free_irq(pci_irq_vector(pm8001_ha->pdev, i), 950 &(pm8001_ha->irq_vector[i])); 951 } 952 pci_free_irq_vectors(pm8001_ha->pdev); 953 break; 954 } 955 } 956 957 return rc; 958 } 959 #endif 960 961 static u32 pm8001_setup_irq(struct pm8001_hba_info *pm8001_ha) 962 { 963 struct pci_dev *pdev; 964 965 pdev = pm8001_ha->pdev; 966 967 #ifdef PM8001_USE_MSIX 968 if (pci_find_capability(pdev, PCI_CAP_ID_MSIX)) 969 return pm8001_setup_msix(pm8001_ha); 970 PM8001_INIT_DBG(pm8001_ha, 971 pm8001_printk("MSIX not supported!!!\n")); 972 #endif 973 return 0; 974 } 975 976 /** 977 * pm8001_request_irq - register interrupt 978 * @chip_info: our ha struct. 979 */ 980 static u32 pm8001_request_irq(struct pm8001_hba_info *pm8001_ha) 981 { 982 struct pci_dev *pdev; 983 int rc; 984 985 pdev = pm8001_ha->pdev; 986 987 #ifdef PM8001_USE_MSIX 988 if (pdev->msix_cap && pci_msi_enabled()) 989 return pm8001_request_msix(pm8001_ha); 990 else { 991 PM8001_INIT_DBG(pm8001_ha, 992 pm8001_printk("MSIX not supported!!!\n")); 993 goto intx; 994 } 995 #endif 996 997 intx: 998 /* initialize the INT-X interrupt */ 999 pm8001_ha->irq_vector[0].irq_id = 0; 1000 pm8001_ha->irq_vector[0].drv_inst = pm8001_ha; 1001 rc = request_irq(pdev->irq, pm8001_interrupt_handler_intx, IRQF_SHARED, 1002 pm8001_ha->name, SHOST_TO_SAS_HA(pm8001_ha->shost)); 1003 return rc; 1004 } 1005 1006 /** 1007 * pm8001_pci_probe - probe supported device 1008 * @pdev: pci device which kernel has been prepared for. 1009 * @ent: pci device id 1010 * 1011 * This function is the main initialization function, when register a new 1012 * pci driver it is invoked, all struct an hardware initilization should be done 1013 * here, also, register interrupt 1014 */ 1015 static int pm8001_pci_probe(struct pci_dev *pdev, 1016 const struct pci_device_id *ent) 1017 { 1018 unsigned int rc; 1019 u32 pci_reg; 1020 u8 i = 0; 1021 struct pm8001_hba_info *pm8001_ha; 1022 struct Scsi_Host *shost = NULL; 1023 const struct pm8001_chip_info *chip; 1024 struct sas_ha_struct *sha; 1025 1026 dev_printk(KERN_INFO, &pdev->dev, 1027 "pm80xx: driver version %s\n", DRV_VERSION); 1028 rc = pci_enable_device(pdev); 1029 if (rc) 1030 goto err_out_enable; 1031 pci_set_master(pdev); 1032 /* 1033 * Enable pci slot busmaster by setting pci command register. 1034 * This is required by FW for Cyclone card. 1035 */ 1036 1037 pci_read_config_dword(pdev, PCI_COMMAND, &pci_reg); 1038 pci_reg |= 0x157; 1039 pci_write_config_dword(pdev, PCI_COMMAND, pci_reg); 1040 rc = pci_request_regions(pdev, DRV_NAME); 1041 if (rc) 1042 goto err_out_disable; 1043 rc = pci_go_44(pdev); 1044 if (rc) 1045 goto err_out_regions; 1046 1047 shost = scsi_host_alloc(&pm8001_sht, sizeof(void *)); 1048 if (!shost) { 1049 rc = -ENOMEM; 1050 goto err_out_regions; 1051 } 1052 chip = &pm8001_chips[ent->driver_data]; 1053 sha = kzalloc(sizeof(struct sas_ha_struct), GFP_KERNEL); 1054 if (!sha) { 1055 rc = -ENOMEM; 1056 goto err_out_free_host; 1057 } 1058 SHOST_TO_SAS_HA(shost) = sha; 1059 1060 rc = pm8001_prep_sas_ha_init(shost, chip); 1061 if (rc) { 1062 rc = -ENOMEM; 1063 goto err_out_free; 1064 } 1065 pci_set_drvdata(pdev, SHOST_TO_SAS_HA(shost)); 1066 /* ent->driver variable is used to differentiate between controllers */ 1067 pm8001_ha = pm8001_pci_alloc(pdev, ent, shost); 1068 if (!pm8001_ha) { 1069 rc = -ENOMEM; 1070 goto err_out_free; 1071 } 1072 /* Setup Interrupt */ 1073 rc = pm8001_setup_irq(pm8001_ha); 1074 if (rc) { 1075 PM8001_FAIL_DBG(pm8001_ha, pm8001_printk( 1076 "pm8001_setup_irq failed [ret: %d]\n", rc)); 1077 goto err_out_shost; 1078 } 1079 1080 PM8001_CHIP_DISP->chip_soft_rst(pm8001_ha); 1081 rc = PM8001_CHIP_DISP->chip_init(pm8001_ha); 1082 if (rc) { 1083 PM8001_FAIL_DBG(pm8001_ha, pm8001_printk( 1084 "chip_init failed [ret: %d]\n", rc)); 1085 goto err_out_ha_free; 1086 } 1087 1088 rc = scsi_add_host(shost, &pdev->dev); 1089 if (rc) 1090 goto err_out_ha_free; 1091 /* Request Interrupt */ 1092 rc = pm8001_request_irq(pm8001_ha); 1093 if (rc) { 1094 PM8001_FAIL_DBG(pm8001_ha, pm8001_printk( 1095 "pm8001_request_irq failed [ret: %d]\n", rc)); 1096 goto err_out_shost; 1097 } 1098 1099 PM8001_CHIP_DISP->interrupt_enable(pm8001_ha, 0); 1100 if (pm8001_ha->chip_id != chip_8001) { 1101 for (i = 1; i < pm8001_ha->number_of_intr; i++) 1102 PM8001_CHIP_DISP->interrupt_enable(pm8001_ha, i); 1103 /* setup thermal configuration. */ 1104 pm80xx_set_thermal_config(pm8001_ha); 1105 } 1106 1107 pm8001_init_sas_add(pm8001_ha); 1108 /* phy setting support for motherboard controller */ 1109 if (pm8001_configure_phy_settings(pm8001_ha)) 1110 goto err_out_shost; 1111 1112 pm8001_post_sas_ha_init(shost, chip); 1113 rc = sas_register_ha(SHOST_TO_SAS_HA(shost)); 1114 if (rc) { 1115 PM8001_FAIL_DBG(pm8001_ha, pm8001_printk( 1116 "sas_register_ha failed [ret: %d]\n", rc)); 1117 goto err_out_shost; 1118 } 1119 list_add_tail(&pm8001_ha->list, &hba_list); 1120 scsi_scan_host(pm8001_ha->shost); 1121 pm8001_ha->flags = PM8001F_RUN_TIME; 1122 return 0; 1123 1124 err_out_shost: 1125 scsi_remove_host(pm8001_ha->shost); 1126 err_out_ha_free: 1127 pm8001_free(pm8001_ha); 1128 err_out_free: 1129 kfree(sha); 1130 err_out_free_host: 1131 scsi_host_put(shost); 1132 err_out_regions: 1133 pci_release_regions(pdev); 1134 err_out_disable: 1135 pci_disable_device(pdev); 1136 err_out_enable: 1137 return rc; 1138 } 1139 1140 static void pm8001_pci_remove(struct pci_dev *pdev) 1141 { 1142 struct sas_ha_struct *sha = pci_get_drvdata(pdev); 1143 struct pm8001_hba_info *pm8001_ha; 1144 int i, j; 1145 pm8001_ha = sha->lldd_ha; 1146 sas_unregister_ha(sha); 1147 sas_remove_host(pm8001_ha->shost); 1148 list_del(&pm8001_ha->list); 1149 PM8001_CHIP_DISP->interrupt_disable(pm8001_ha, 0xFF); 1150 PM8001_CHIP_DISP->chip_soft_rst(pm8001_ha); 1151 1152 #ifdef PM8001_USE_MSIX 1153 for (i = 0; i < pm8001_ha->number_of_intr; i++) 1154 synchronize_irq(pci_irq_vector(pdev, i)); 1155 for (i = 0; i < pm8001_ha->number_of_intr; i++) 1156 free_irq(pci_irq_vector(pdev, i), &pm8001_ha->irq_vector[i]); 1157 pci_free_irq_vectors(pdev); 1158 #else 1159 free_irq(pm8001_ha->irq, sha); 1160 #endif 1161 #ifdef PM8001_USE_TASKLET 1162 /* For non-msix and msix interrupts */ 1163 if ((!pdev->msix_cap || !pci_msi_enabled()) || 1164 (pm8001_ha->chip_id == chip_8001)) 1165 tasklet_kill(&pm8001_ha->tasklet[0]); 1166 else 1167 for (j = 0; j < PM8001_MAX_MSIX_VEC; j++) 1168 tasklet_kill(&pm8001_ha->tasklet[j]); 1169 #endif 1170 scsi_host_put(pm8001_ha->shost); 1171 pm8001_free(pm8001_ha); 1172 kfree(sha->sas_phy); 1173 kfree(sha->sas_port); 1174 kfree(sha); 1175 pci_release_regions(pdev); 1176 pci_disable_device(pdev); 1177 } 1178 1179 /** 1180 * pm8001_pci_suspend - power management suspend main entry point 1181 * @pdev: PCI device struct 1182 * @state: PM state change to (usually PCI_D3) 1183 * 1184 * Returns 0 success, anything else error. 1185 */ 1186 static int pm8001_pci_suspend(struct pci_dev *pdev, pm_message_t state) 1187 { 1188 struct sas_ha_struct *sha = pci_get_drvdata(pdev); 1189 struct pm8001_hba_info *pm8001_ha; 1190 int i, j; 1191 u32 device_state; 1192 pm8001_ha = sha->lldd_ha; 1193 sas_suspend_ha(sha); 1194 flush_workqueue(pm8001_wq); 1195 scsi_block_requests(pm8001_ha->shost); 1196 if (!pdev->pm_cap) { 1197 dev_err(&pdev->dev, " PCI PM not supported\n"); 1198 return -ENODEV; 1199 } 1200 PM8001_CHIP_DISP->interrupt_disable(pm8001_ha, 0xFF); 1201 PM8001_CHIP_DISP->chip_soft_rst(pm8001_ha); 1202 #ifdef PM8001_USE_MSIX 1203 for (i = 0; i < pm8001_ha->number_of_intr; i++) 1204 synchronize_irq(pci_irq_vector(pdev, i)); 1205 for (i = 0; i < pm8001_ha->number_of_intr; i++) 1206 free_irq(pci_irq_vector(pdev, i), &pm8001_ha->irq_vector[i]); 1207 pci_free_irq_vectors(pdev); 1208 #else 1209 free_irq(pm8001_ha->irq, sha); 1210 #endif 1211 #ifdef PM8001_USE_TASKLET 1212 /* For non-msix and msix interrupts */ 1213 if ((!pdev->msix_cap || !pci_msi_enabled()) || 1214 (pm8001_ha->chip_id == chip_8001)) 1215 tasklet_kill(&pm8001_ha->tasklet[0]); 1216 else 1217 for (j = 0; j < PM8001_MAX_MSIX_VEC; j++) 1218 tasklet_kill(&pm8001_ha->tasklet[j]); 1219 #endif 1220 device_state = pci_choose_state(pdev, state); 1221 pm8001_printk("pdev=0x%p, slot=%s, entering " 1222 "operating state [D%d]\n", pdev, 1223 pm8001_ha->name, device_state); 1224 pci_save_state(pdev); 1225 pci_disable_device(pdev); 1226 pci_set_power_state(pdev, device_state); 1227 return 0; 1228 } 1229 1230 /** 1231 * pm8001_pci_resume - power management resume main entry point 1232 * @pdev: PCI device struct 1233 * 1234 * Returns 0 success, anything else error. 1235 */ 1236 static int pm8001_pci_resume(struct pci_dev *pdev) 1237 { 1238 struct sas_ha_struct *sha = pci_get_drvdata(pdev); 1239 struct pm8001_hba_info *pm8001_ha; 1240 int rc; 1241 u8 i = 0, j; 1242 u32 device_state; 1243 DECLARE_COMPLETION_ONSTACK(completion); 1244 pm8001_ha = sha->lldd_ha; 1245 device_state = pdev->current_state; 1246 1247 pm8001_printk("pdev=0x%p, slot=%s, resuming from previous " 1248 "operating state [D%d]\n", pdev, pm8001_ha->name, device_state); 1249 1250 pci_set_power_state(pdev, PCI_D0); 1251 pci_enable_wake(pdev, PCI_D0, 0); 1252 pci_restore_state(pdev); 1253 rc = pci_enable_device(pdev); 1254 if (rc) { 1255 pm8001_printk("slot=%s Enable device failed during resume\n", 1256 pm8001_ha->name); 1257 goto err_out_enable; 1258 } 1259 1260 pci_set_master(pdev); 1261 rc = pci_go_44(pdev); 1262 if (rc) 1263 goto err_out_disable; 1264 sas_prep_resume_ha(sha); 1265 /* chip soft rst only for spc */ 1266 if (pm8001_ha->chip_id == chip_8001) { 1267 PM8001_CHIP_DISP->chip_soft_rst(pm8001_ha); 1268 PM8001_INIT_DBG(pm8001_ha, 1269 pm8001_printk("chip soft reset successful\n")); 1270 } 1271 rc = PM8001_CHIP_DISP->chip_init(pm8001_ha); 1272 if (rc) 1273 goto err_out_disable; 1274 1275 /* disable all the interrupt bits */ 1276 PM8001_CHIP_DISP->interrupt_disable(pm8001_ha, 0xFF); 1277 1278 rc = pm8001_request_irq(pm8001_ha); 1279 if (rc) 1280 goto err_out_disable; 1281 #ifdef PM8001_USE_TASKLET 1282 /* Tasklet for non msi-x interrupt handler */ 1283 if ((!pdev->msix_cap || !pci_msi_enabled()) || 1284 (pm8001_ha->chip_id == chip_8001)) 1285 tasklet_init(&pm8001_ha->tasklet[0], pm8001_tasklet, 1286 (unsigned long)&(pm8001_ha->irq_vector[0])); 1287 else 1288 for (j = 0; j < PM8001_MAX_MSIX_VEC; j++) 1289 tasklet_init(&pm8001_ha->tasklet[j], pm8001_tasklet, 1290 (unsigned long)&(pm8001_ha->irq_vector[j])); 1291 #endif 1292 PM8001_CHIP_DISP->interrupt_enable(pm8001_ha, 0); 1293 if (pm8001_ha->chip_id != chip_8001) { 1294 for (i = 1; i < pm8001_ha->number_of_intr; i++) 1295 PM8001_CHIP_DISP->interrupt_enable(pm8001_ha, i); 1296 } 1297 1298 /* Chip documentation for the 8070 and 8072 SPCv */ 1299 /* states that a 500ms minimum delay is required */ 1300 /* before issuing commands. Otherwise, the firmware */ 1301 /* will enter an unrecoverable state. */ 1302 1303 if (pm8001_ha->chip_id == chip_8070 || 1304 pm8001_ha->chip_id == chip_8072) { 1305 mdelay(500); 1306 } 1307 1308 /* Spin up the PHYs */ 1309 1310 pm8001_ha->flags = PM8001F_RUN_TIME; 1311 for (i = 0; i < pm8001_ha->chip->n_phy; i++) { 1312 pm8001_ha->phy[i].enable_completion = &completion; 1313 PM8001_CHIP_DISP->phy_start_req(pm8001_ha, i); 1314 wait_for_completion(&completion); 1315 } 1316 sas_resume_ha(sha); 1317 return 0; 1318 1319 err_out_disable: 1320 scsi_remove_host(pm8001_ha->shost); 1321 pci_disable_device(pdev); 1322 err_out_enable: 1323 return rc; 1324 } 1325 1326 /* update of pci device, vendor id and driver data with 1327 * unique value for each of the controller 1328 */ 1329 static struct pci_device_id pm8001_pci_table[] = { 1330 { PCI_VDEVICE(PMC_Sierra, 0x8001), chip_8001 }, 1331 { PCI_VDEVICE(PMC_Sierra, 0x8006), chip_8006 }, 1332 { PCI_VDEVICE(ADAPTEC2, 0x8006), chip_8006 }, 1333 { PCI_VDEVICE(ATTO, 0x0042), chip_8001 }, 1334 /* Support for SPC/SPCv/SPCve controllers */ 1335 { PCI_VDEVICE(ADAPTEC2, 0x8001), chip_8001 }, 1336 { PCI_VDEVICE(PMC_Sierra, 0x8008), chip_8008 }, 1337 { PCI_VDEVICE(ADAPTEC2, 0x8008), chip_8008 }, 1338 { PCI_VDEVICE(PMC_Sierra, 0x8018), chip_8018 }, 1339 { PCI_VDEVICE(ADAPTEC2, 0x8018), chip_8018 }, 1340 { PCI_VDEVICE(PMC_Sierra, 0x8009), chip_8009 }, 1341 { PCI_VDEVICE(ADAPTEC2, 0x8009), chip_8009 }, 1342 { PCI_VDEVICE(PMC_Sierra, 0x8019), chip_8019 }, 1343 { PCI_VDEVICE(ADAPTEC2, 0x8019), chip_8019 }, 1344 { PCI_VDEVICE(PMC_Sierra, 0x8074), chip_8074 }, 1345 { PCI_VDEVICE(ADAPTEC2, 0x8074), chip_8074 }, 1346 { PCI_VDEVICE(PMC_Sierra, 0x8076), chip_8076 }, 1347 { PCI_VDEVICE(ADAPTEC2, 0x8076), chip_8076 }, 1348 { PCI_VDEVICE(PMC_Sierra, 0x8077), chip_8077 }, 1349 { PCI_VDEVICE(ADAPTEC2, 0x8077), chip_8077 }, 1350 { PCI_VENDOR_ID_ADAPTEC2, 0x8081, 1351 PCI_VENDOR_ID_ADAPTEC2, 0x0400, 0, 0, chip_8001 }, 1352 { PCI_VENDOR_ID_ADAPTEC2, 0x8081, 1353 PCI_VENDOR_ID_ADAPTEC2, 0x0800, 0, 0, chip_8001 }, 1354 { PCI_VENDOR_ID_ADAPTEC2, 0x8088, 1355 PCI_VENDOR_ID_ADAPTEC2, 0x0008, 0, 0, chip_8008 }, 1356 { PCI_VENDOR_ID_ADAPTEC2, 0x8088, 1357 PCI_VENDOR_ID_ADAPTEC2, 0x0800, 0, 0, chip_8008 }, 1358 { PCI_VENDOR_ID_ADAPTEC2, 0x8089, 1359 PCI_VENDOR_ID_ADAPTEC2, 0x0008, 0, 0, chip_8009 }, 1360 { PCI_VENDOR_ID_ADAPTEC2, 0x8089, 1361 PCI_VENDOR_ID_ADAPTEC2, 0x0800, 0, 0, chip_8009 }, 1362 { PCI_VENDOR_ID_ADAPTEC2, 0x8088, 1363 PCI_VENDOR_ID_ADAPTEC2, 0x0016, 0, 0, chip_8018 }, 1364 { PCI_VENDOR_ID_ADAPTEC2, 0x8088, 1365 PCI_VENDOR_ID_ADAPTEC2, 0x1600, 0, 0, chip_8018 }, 1366 { PCI_VENDOR_ID_ADAPTEC2, 0x8089, 1367 PCI_VENDOR_ID_ADAPTEC2, 0x0016, 0, 0, chip_8019 }, 1368 { PCI_VENDOR_ID_ADAPTEC2, 0x8089, 1369 PCI_VENDOR_ID_ADAPTEC2, 0x1600, 0, 0, chip_8019 }, 1370 { PCI_VENDOR_ID_ADAPTEC2, 0x8074, 1371 PCI_VENDOR_ID_ADAPTEC2, 0x0800, 0, 0, chip_8074 }, 1372 { PCI_VENDOR_ID_ADAPTEC2, 0x8076, 1373 PCI_VENDOR_ID_ADAPTEC2, 0x1600, 0, 0, chip_8076 }, 1374 { PCI_VENDOR_ID_ADAPTEC2, 0x8077, 1375 PCI_VENDOR_ID_ADAPTEC2, 0x1600, 0, 0, chip_8077 }, 1376 { PCI_VENDOR_ID_ADAPTEC2, 0x8074, 1377 PCI_VENDOR_ID_ADAPTEC2, 0x0008, 0, 0, chip_8074 }, 1378 { PCI_VENDOR_ID_ADAPTEC2, 0x8076, 1379 PCI_VENDOR_ID_ADAPTEC2, 0x0016, 0, 0, chip_8076 }, 1380 { PCI_VENDOR_ID_ADAPTEC2, 0x8077, 1381 PCI_VENDOR_ID_ADAPTEC2, 0x0016, 0, 0, chip_8077 }, 1382 { PCI_VENDOR_ID_ADAPTEC2, 0x8076, 1383 PCI_VENDOR_ID_ADAPTEC2, 0x0808, 0, 0, chip_8076 }, 1384 { PCI_VENDOR_ID_ADAPTEC2, 0x8077, 1385 PCI_VENDOR_ID_ADAPTEC2, 0x0808, 0, 0, chip_8077 }, 1386 { PCI_VENDOR_ID_ADAPTEC2, 0x8074, 1387 PCI_VENDOR_ID_ADAPTEC2, 0x0404, 0, 0, chip_8074 }, 1388 { PCI_VENDOR_ID_ATTO, 0x8070, 1389 PCI_VENDOR_ID_ATTO, 0x0070, 0, 0, chip_8070 }, 1390 { PCI_VENDOR_ID_ATTO, 0x8070, 1391 PCI_VENDOR_ID_ATTO, 0x0071, 0, 0, chip_8070 }, 1392 { PCI_VENDOR_ID_ATTO, 0x8072, 1393 PCI_VENDOR_ID_ATTO, 0x0072, 0, 0, chip_8072 }, 1394 { PCI_VENDOR_ID_ATTO, 0x8072, 1395 PCI_VENDOR_ID_ATTO, 0x0073, 0, 0, chip_8072 }, 1396 { PCI_VENDOR_ID_ATTO, 0x8070, 1397 PCI_VENDOR_ID_ATTO, 0x0080, 0, 0, chip_8070 }, 1398 { PCI_VENDOR_ID_ATTO, 0x8072, 1399 PCI_VENDOR_ID_ATTO, 0x0081, 0, 0, chip_8072 }, 1400 { PCI_VENDOR_ID_ATTO, 0x8072, 1401 PCI_VENDOR_ID_ATTO, 0x0082, 0, 0, chip_8072 }, 1402 {} /* terminate list */ 1403 }; 1404 1405 static struct pci_driver pm8001_pci_driver = { 1406 .name = DRV_NAME, 1407 .id_table = pm8001_pci_table, 1408 .probe = pm8001_pci_probe, 1409 .remove = pm8001_pci_remove, 1410 .suspend = pm8001_pci_suspend, 1411 .resume = pm8001_pci_resume, 1412 }; 1413 1414 /** 1415 * pm8001_init - initialize scsi transport template 1416 */ 1417 static int __init pm8001_init(void) 1418 { 1419 int rc = -ENOMEM; 1420 1421 pm8001_wq = alloc_workqueue("pm80xx", 0, 0); 1422 if (!pm8001_wq) 1423 goto err; 1424 1425 pm8001_id = 0; 1426 pm8001_stt = sas_domain_attach_transport(&pm8001_transport_ops); 1427 if (!pm8001_stt) 1428 goto err_wq; 1429 rc = pci_register_driver(&pm8001_pci_driver); 1430 if (rc) 1431 goto err_tp; 1432 return 0; 1433 1434 err_tp: 1435 sas_release_transport(pm8001_stt); 1436 err_wq: 1437 destroy_workqueue(pm8001_wq); 1438 err: 1439 return rc; 1440 } 1441 1442 static void __exit pm8001_exit(void) 1443 { 1444 pci_unregister_driver(&pm8001_pci_driver); 1445 sas_release_transport(pm8001_stt); 1446 destroy_workqueue(pm8001_wq); 1447 } 1448 1449 module_init(pm8001_init); 1450 module_exit(pm8001_exit); 1451 1452 MODULE_AUTHOR("Jack Wang <jack_wang@usish.com>"); 1453 MODULE_AUTHOR("Anand Kumar Santhanam <AnandKumar.Santhanam@pmcs.com>"); 1454 MODULE_AUTHOR("Sangeetha Gnanasekaran <Sangeetha.Gnanasekaran@pmcs.com>"); 1455 MODULE_AUTHOR("Nikith Ganigarakoppal <Nikith.Ganigarakoppal@pmcs.com>"); 1456 MODULE_DESCRIPTION( 1457 "PMC-Sierra PM8001/8006/8081/8088/8089/8074/8076/8077/8070/8072 " 1458 "SAS/SATA controller driver"); 1459 MODULE_VERSION(DRV_VERSION); 1460 MODULE_LICENSE("GPL"); 1461 MODULE_DEVICE_TABLE(pci, pm8001_pci_table); 1462 1463