drivers/scsi/pm8001/pm8001_init.c

   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
  45 static struct scsi_transport_template *pm8001_stt;
  46
  47 /**
  48  * chip info structure to identify chip key functionality as
  49  * encryption available/not, no of ports, hw specific function ref
  50  */
  51 static const struct pm8001_chip_info pm8001_chips[] = {
  52         [chip_8001] = {0,  8, &pm8001_8001_dispatch,},
  53         [chip_8008] = {0,  8, &pm8001_80xx_dispatch,},
  54         [chip_8009] = {1,  8, &pm8001_80xx_dispatch,},
  55         [chip_8018] = {0,  16, &pm8001_80xx_dispatch,},
  56         [chip_8019] = {1,  16, &pm8001_80xx_dispatch,},
  57         [chip_8074] = {0,  8, &pm8001_80xx_dispatch,},
  58         [chip_8076] = {0,  16, &pm8001_80xx_dispatch,},
  59         [chip_8077] = {0,  16, &pm8001_80xx_dispatch,},
  60 };
  61 static int pm8001_id;
  62
  63 LIST_HEAD(hba_list);
  64
  65 struct workqueue_struct *pm8001_wq;
  66
  67 /**
  68  * The main structure which LLDD must register for scsi core.
  69  */
  70 static struct scsi_host_template pm8001_sht = {
  71         .module                 = THIS_MODULE,
  72         .name                   = DRV_NAME,
  73         .queuecommand           = sas_queuecommand,
  74         .target_alloc           = sas_target_alloc,
  75         .slave_configure        = sas_slave_configure,
  76         .scan_finished          = pm8001_scan_finished,
  77         .scan_start             = pm8001_scan_start,
  78         .change_queue_depth     = sas_change_queue_depth,
  79         .change_queue_type      = sas_change_queue_type,
  80         .bios_param             = sas_bios_param,
  81         .can_queue              = 1,
  82         .cmd_per_lun            = 1,
  83         .this_id                = -1,
  84         .sg_tablesize           = SG_ALL,
  85         .max_sectors            = SCSI_DEFAULT_MAX_SECTORS,
  86         .use_clustering         = ENABLE_CLUSTERING,
  87         .eh_device_reset_handler = sas_eh_device_reset_handler,
  88         .eh_bus_reset_handler   = sas_eh_bus_reset_handler,
  89         .target_destroy         = sas_target_destroy,
  90         .ioctl                  = sas_ioctl,
  91         .shost_attrs            = pm8001_host_attrs,
  92 };
  93
  94 /**
  95  * Sas layer call this function to execute specific task.
  96  */
  97 static struct sas_domain_function_template pm8001_transport_ops = {
  98         .lldd_dev_found         = pm8001_dev_found,
  99         .lldd_dev_gone          = pm8001_dev_gone,
 100
 101         .lldd_execute_task      = pm8001_queue_command,
 102         .lldd_control_phy       = pm8001_phy_control,
 103
 104         .lldd_abort_task        = pm8001_abort_task,
 105         .lldd_abort_task_set    = pm8001_abort_task_set,
 106         .lldd_clear_aca         = pm8001_clear_aca,
 107         .lldd_clear_task_set    = pm8001_clear_task_set,
 108         .lldd_I_T_nexus_reset   = pm8001_I_T_nexus_reset,
 109         .lldd_lu_reset          = pm8001_lu_reset,
 110         .lldd_query_task        = pm8001_query_task,
 111 };
 112
 113 /**
 114  *pm8001_phy_init - initiate our adapter phys
 115  *@pm8001_ha: our hba structure.
 116  *@phy_id: phy id.
 117  */
 118 static void pm8001_phy_init(struct pm8001_hba_info *pm8001_ha, int phy_id)
 119 {
 120         struct pm8001_phy *phy = &pm8001_ha->phy[phy_id];
 121         struct asd_sas_phy *sas_phy = &phy->sas_phy;
 122         phy->phy_state = 0;
 123         phy->pm8001_ha = pm8001_ha;
 124         sas_phy->enabled = (phy_id < pm8001_ha->chip->n_phy) ? 1 : 0;
 125         sas_phy->class = SAS;
 126         sas_phy->iproto = SAS_PROTOCOL_ALL;
 127         sas_phy->tproto = 0;
 128         sas_phy->type = PHY_TYPE_PHYSICAL;
 129         sas_phy->role = PHY_ROLE_INITIATOR;
 130         sas_phy->oob_mode = OOB_NOT_CONNECTED;
 131         sas_phy->linkrate = SAS_LINK_RATE_UNKNOWN;
 132         sas_phy->id = phy_id;
 133         sas_phy->sas_addr = &pm8001_ha->sas_addr[0];
 134         sas_phy->frame_rcvd = &phy->frame_rcvd[0];
 135         sas_phy->ha = (struct sas_ha_struct *)pm8001_ha->shost->hostdata;
 136         sas_phy->lldd_phy = phy;
 137 }
 138
 139 /**
 140  *pm8001_free - free hba
 141  *@pm8001_ha:   our hba structure.
 142  *
 143  */
 144 static void pm8001_free(struct pm8001_hba_info *pm8001_ha)
 145 {
 146         int i;
 147
 148         if (!pm8001_ha)
 149                 return;
 150
 151         for (i = 0; i < USI_MAX_MEMCNT; i++) {
 152                 if (pm8001_ha->memoryMap.region[i].virt_ptr != NULL) {
 153                         pci_free_consistent(pm8001_ha->pdev,
 154                                 (pm8001_ha->memoryMap.region[i].total_len +
 155                                 pm8001_ha->memoryMap.region[i].alignment),
 156                                 pm8001_ha->memoryMap.region[i].virt_ptr,
 157                                 pm8001_ha->memoryMap.region[i].phys_addr);
 158                         }
 159         }
 160         PM8001_CHIP_DISP->chip_iounmap(pm8001_ha);
 161         if (pm8001_ha->shost)
 162                 scsi_host_put(pm8001_ha->shost);
 163         flush_workqueue(pm8001_wq);
 164         kfree(pm8001_ha->tags);
 165         kfree(pm8001_ha);
 166 }
 167
 168 #ifdef PM8001_USE_TASKLET
 169
 170 /**
 171  * tasklet for 64 msi-x interrupt handler
 172  * @opaque: the passed general host adapter struct
 173  * Note: pm8001_tasklet is common for pm8001 & pm80xx
 174  */
 175 static void pm8001_tasklet(unsigned long opaque)
 176 {
 177         struct pm8001_hba_info *pm8001_ha;
 178         struct isr_param *irq_vector;
 179
 180         irq_vector = (struct isr_param *)opaque;
 181         pm8001_ha = irq_vector->drv_inst;
 182         if (unlikely(!pm8001_ha))
 183                 BUG_ON(1);
 184         PM8001_CHIP_DISP->isr(pm8001_ha, irq_vector->irq_id);
 185 }
 186 #endif
 187
 188 /**
 189  * pm8001_interrupt_handler_msix - main MSIX interrupt handler.
 190  * It obtains the vector number and calls the equivalent bottom
 191  * half or services directly.
 192  * @opaque: the passed outbound queue/vector. Host structure is
 193  * retrieved from the same.
 194  */
 195 static irqreturn_t pm8001_interrupt_handler_msix(int irq, void *opaque)
 196 {
 197         struct isr_param *irq_vector;
 198         struct pm8001_hba_info *pm8001_ha;
 199         irqreturn_t ret = IRQ_HANDLED;
 200         irq_vector = (struct isr_param *)opaque;
 201         pm8001_ha = irq_vector->drv_inst;
 202
 203         if (unlikely(!pm8001_ha))
 204                 return IRQ_NONE;
 205         if (!PM8001_CHIP_DISP->is_our_interupt(pm8001_ha))
 206                 return IRQ_NONE;
 207 #ifdef PM8001_USE_TASKLET
 208         tasklet_schedule(&pm8001_ha->tasklet[irq_vector->irq_id]);
 209 #else
 210         ret = PM8001_CHIP_DISP->isr(pm8001_ha, irq_vector->irq_id);
 211 #endif
 212         return ret;
 213 }
 214
 215 /**
 216  * pm8001_interrupt_handler_intx - main INTx interrupt handler.
 217  * @dev_id: sas_ha structure. The HBA is retrieved from sas_has structure.
 218  */
 219
 220 static irqreturn_t pm8001_interrupt_handler_intx(int irq, void *dev_id)
 221 {
 222         struct pm8001_hba_info *pm8001_ha;
 223         irqreturn_t ret = IRQ_HANDLED;
 224         struct sas_ha_struct *sha = dev_id;
 225         pm8001_ha = sha->lldd_ha;
 226         if (unlikely(!pm8001_ha))
 227                 return IRQ_NONE;
 228         if (!PM8001_CHIP_DISP->is_our_interupt(pm8001_ha))
 229                 return IRQ_NONE;
 230
 231 #ifdef PM8001_USE_TASKLET
 232         tasklet_schedule(&pm8001_ha->tasklet[0]);
 233 #else
 234         ret = PM8001_CHIP_DISP->isr(pm8001_ha, 0);
 235 #endif
 236         return ret;
 237 }
 238
 239 /**
 240  * pm8001_alloc - initiate our hba structure and 6 DMAs area.
 241  * @pm8001_ha:our hba structure.
 242  *
 243  */
 244 static int pm8001_alloc(struct pm8001_hba_info *pm8001_ha,
 245                         const struct pci_device_id *ent)
 246 {
 247         int i;
 248         spin_lock_init(&pm8001_ha->lock);
 249         spin_lock_init(&pm8001_ha->bitmap_lock);
 250         PM8001_INIT_DBG(pm8001_ha,
 251                 pm8001_printk("pm8001_alloc: PHY:%x\n",
 252                                 pm8001_ha->chip->n_phy));
 253         for (i = 0; i < pm8001_ha->chip->n_phy; i++) {
 254                 pm8001_phy_init(pm8001_ha, i);
 255                 pm8001_ha->port[i].wide_port_phymap = 0;
 256                 pm8001_ha->port[i].port_attached = 0;
 257                 pm8001_ha->port[i].port_state = 0;
 258                 INIT_LIST_HEAD(&pm8001_ha->port[i].list);
 259         }
 260
 261         pm8001_ha->tags = kzalloc(PM8001_MAX_CCB, GFP_KERNEL);
 262         if (!pm8001_ha->tags)
 263                 goto err_out;
 264         /* MPI Memory region 1 for AAP Event Log for fw */
 265         pm8001_ha->memoryMap.region[AAP1].num_elements = 1;
 266         pm8001_ha->memoryMap.region[AAP1].element_size = PM8001_EVENT_LOG_SIZE;
 267         pm8001_ha->memoryMap.region[AAP1].total_len = PM8001_EVENT_LOG_SIZE;
 268         pm8001_ha->memoryMap.region[AAP1].alignment = 32;
 269
 270         /* MPI Memory region 2 for IOP Event Log for fw */
 271         pm8001_ha->memoryMap.region[IOP].num_elements = 1;
 272         pm8001_ha->memoryMap.region[IOP].element_size = PM8001_EVENT_LOG_SIZE;
 273         pm8001_ha->memoryMap.region[IOP].total_len = PM8001_EVENT_LOG_SIZE;
 274         pm8001_ha->memoryMap.region[IOP].alignment = 32;
 275
 276         for (i = 0; i < PM8001_MAX_SPCV_INB_NUM; i++) {
 277                 /* MPI Memory region 3 for consumer Index of inbound queues */
 278                 pm8001_ha->memoryMap.region[CI+i].num_elements = 1;
 279                 pm8001_ha->memoryMap.region[CI+i].element_size = 4;
 280                 pm8001_ha->memoryMap.region[CI+i].total_len = 4;
 281                 pm8001_ha->memoryMap.region[CI+i].alignment = 4;
 282
 283                 if ((ent->driver_data) != chip_8001) {
 284                         /* MPI Memory region 5 inbound queues */
 285                         pm8001_ha->memoryMap.region[IB+i].num_elements =
 286                                                 PM8001_MPI_QUEUE;
 287                         pm8001_ha->memoryMap.region[IB+i].element_size = 128;
 288                         pm8001_ha->memoryMap.region[IB+i].total_len =
 289                                                 PM8001_MPI_QUEUE * 128;
 290                         pm8001_ha->memoryMap.region[IB+i].alignment = 128;
 291                 } else {
 292                         pm8001_ha->memoryMap.region[IB+i].num_elements =
 293                                                 PM8001_MPI_QUEUE;
 294                         pm8001_ha->memoryMap.region[IB+i].element_size = 64;
 295                         pm8001_ha->memoryMap.region[IB+i].total_len =
 296                                                 PM8001_MPI_QUEUE * 64;
 297                         pm8001_ha->memoryMap.region[IB+i].alignment = 64;
 298                 }
 299         }
 300
 301         for (i = 0; i < PM8001_MAX_SPCV_OUTB_NUM; i++) {
 302                 /* MPI Memory region 4 for producer Index of outbound queues */
 303                 pm8001_ha->memoryMap.region[PI+i].num_elements = 1;
 304                 pm8001_ha->memoryMap.region[PI+i].element_size = 4;
 305                 pm8001_ha->memoryMap.region[PI+i].total_len = 4;
 306                 pm8001_ha->memoryMap.region[PI+i].alignment = 4;
 307
 308                 if (ent->driver_data != chip_8001) {
 309                         /* MPI Memory region 6 Outbound queues */
 310                         pm8001_ha->memoryMap.region[OB+i].num_elements =
 311                                                 PM8001_MPI_QUEUE;
 312                         pm8001_ha->memoryMap.region[OB+i].element_size = 128;
 313                         pm8001_ha->memoryMap.region[OB+i].total_len =
 314                                                 PM8001_MPI_QUEUE * 128;
 315                         pm8001_ha->memoryMap.region[OB+i].alignment = 128;
 316                 } else {
 317                         /* MPI Memory region 6 Outbound queues */
 318                         pm8001_ha->memoryMap.region[OB+i].num_elements =
 319                                                 PM8001_MPI_QUEUE;
 320                         pm8001_ha->memoryMap.region[OB+i].element_size = 64;
 321                         pm8001_ha->memoryMap.region[OB+i].total_len =
 322                                                 PM8001_MPI_QUEUE * 64;
 323                         pm8001_ha->memoryMap.region[OB+i].alignment = 64;
 324                 }
 325
 326         }
 327         /* Memory region write DMA*/
 328         pm8001_ha->memoryMap.region[NVMD].num_elements = 1;
 329         pm8001_ha->memoryMap.region[NVMD].element_size = 4096;
 330         pm8001_ha->memoryMap.region[NVMD].total_len = 4096;
 331         /* Memory region for devices*/
 332         pm8001_ha->memoryMap.region[DEV_MEM].num_elements = 1;
 333         pm8001_ha->memoryMap.region[DEV_MEM].element_size = PM8001_MAX_DEVICES *
 334                 sizeof(struct pm8001_device);
 335         pm8001_ha->memoryMap.region[DEV_MEM].total_len = PM8001_MAX_DEVICES *
 336                 sizeof(struct pm8001_device);
 337
 338         /* Memory region for ccb_info*/
 339         pm8001_ha->memoryMap.region[CCB_MEM].num_elements = 1;
 340         pm8001_ha->memoryMap.region[CCB_MEM].element_size = PM8001_MAX_CCB *
 341                 sizeof(struct pm8001_ccb_info);
 342         pm8001_ha->memoryMap.region[CCB_MEM].total_len = PM8001_MAX_CCB *
 343                 sizeof(struct pm8001_ccb_info);
 344
 345         /* Memory region for fw flash */
 346         pm8001_ha->memoryMap.region[FW_FLASH].total_len = 4096;
 347
 348         pm8001_ha->memoryMap.region[FORENSIC_MEM].num_elements = 1;
 349         pm8001_ha->memoryMap.region[FORENSIC_MEM].total_len = 0x10000;
 350         pm8001_ha->memoryMap.region[FORENSIC_MEM].element_size = 0x10000;
 351         pm8001_ha->memoryMap.region[FORENSIC_MEM].alignment = 0x10000;
 352         for (i = 0; i < USI_MAX_MEMCNT; i++) {
 353                 if (pm8001_mem_alloc(pm8001_ha->pdev,
 354                         &pm8001_ha->memoryMap.region[i].virt_ptr,
 355                         &pm8001_ha->memoryMap.region[i].phys_addr,
 356                         &pm8001_ha->memoryMap.region[i].phys_addr_hi,
 357                         &pm8001_ha->memoryMap.region[i].phys_addr_lo,
 358                         pm8001_ha->memoryMap.region[i].total_len,
 359                         pm8001_ha->memoryMap.region[i].alignment) != 0) {
 360                                 PM8001_FAIL_DBG(pm8001_ha,
 361                                         pm8001_printk("Mem%d alloc failed\n",
 362                                         i));
 363                                 goto err_out;
 364                 }
 365         }
 366
 367         pm8001_ha->devices = pm8001_ha->memoryMap.region[DEV_MEM].virt_ptr;
 368         for (i = 0; i < PM8001_MAX_DEVICES; i++) {
 369                 pm8001_ha->devices[i].dev_type = SAS_PHY_UNUSED;
 370                 pm8001_ha->devices[i].id = i;
 371                 pm8001_ha->devices[i].device_id = PM8001_MAX_DEVICES;
 372                 pm8001_ha->devices[i].running_req = 0;
 373         }
 374         pm8001_ha->ccb_info = pm8001_ha->memoryMap.region[CCB_MEM].virt_ptr;
 375         for (i = 0; i < PM8001_MAX_CCB; i++) {
 376                 pm8001_ha->ccb_info[i].ccb_dma_handle =
 377                         pm8001_ha->memoryMap.region[CCB_MEM].phys_addr +
 378                         i * sizeof(struct pm8001_ccb_info);
 379                 pm8001_ha->ccb_info[i].task = NULL;
 380                 pm8001_ha->ccb_info[i].ccb_tag = 0xffffffff;
 381                 pm8001_ha->ccb_info[i].device = NULL;
 382                 ++pm8001_ha->tags_num;
 383         }
 384         pm8001_ha->flags = PM8001F_INIT_TIME;
 385         /* Initialize tags */
 386         pm8001_tag_init(pm8001_ha);
 387         return 0;
 388 err_out:
 389         return 1;
 390 }
 391
 392 /**
 393  * pm8001_ioremap - remap the pci high physical address to kernal virtual
 394  * address so that we can access them.
 395  * @pm8001_ha:our hba structure.
 396  */
 397 static int pm8001_ioremap(struct pm8001_hba_info *pm8001_ha)
 398 {
 399         u32 bar;
 400         u32 logicalBar = 0;
 401         struct pci_dev *pdev;
 402
 403         pdev = pm8001_ha->pdev;
 404         /* map pci mem (PMC pci base 0-3)*/
 405         for (bar = 0; bar < 6; bar++) {
 406                 /*
 407                 ** logical BARs for SPC:
 408                 ** bar 0 and 1 - logical BAR0
 409                 ** bar 2 and 3 - logical BAR1
 410                 ** bar4 - logical BAR2
 411                 ** bar5 - logical BAR3
 412                 ** Skip the appropriate assignments:
 413                 */
 414                 if ((bar == 1) || (bar == 3))
 415                         continue;
 416                 if (pci_resource_flags(pdev, bar) & IORESOURCE_MEM) {
 417                         pm8001_ha->io_mem[logicalBar].membase =
 418                                 pci_resource_start(pdev, bar);
 419                         pm8001_ha->io_mem[logicalBar].membase &=
 420                                 (u32)PCI_BASE_ADDRESS_MEM_MASK;
 421                         pm8001_ha->io_mem[logicalBar].memsize =
 422                                 pci_resource_len(pdev, bar);
 423                         pm8001_ha->io_mem[logicalBar].memvirtaddr =
 424                                 ioremap(pm8001_ha->io_mem[logicalBar].membase,
 425                                 pm8001_ha->io_mem[logicalBar].memsize);
 426                         PM8001_INIT_DBG(pm8001_ha,
 427                                 pm8001_printk("PCI: bar %d, logicalBar %d ",
 428                                 bar, logicalBar));
 429                         PM8001_INIT_DBG(pm8001_ha, pm8001_printk(
 430                                 "base addr %llx virt_addr=%llx len=%d\n",
 431                                 (u64)pm8001_ha->io_mem[logicalBar].membase,
 432                                 (u64)(unsigned long)
 433                                 pm8001_ha->io_mem[logicalBar].memvirtaddr,
 434                                 pm8001_ha->io_mem[logicalBar].memsize));
 435                 } else {
 436                         pm8001_ha->io_mem[logicalBar].membase   = 0;
 437                         pm8001_ha->io_mem[logicalBar].memsize   = 0;
 438                         pm8001_ha->io_mem[logicalBar].memvirtaddr = 0;
 439                 }
 440                 logicalBar++;
 441         }
 442         return 0;
 443 }
 444
 445 /**
 446  * pm8001_pci_alloc - initialize our ha card structure
 447  * @pdev: pci device.
 448  * @ent: ent
 449  * @shost: scsi host struct which has been initialized before.
 450  */
 451 static struct pm8001_hba_info *pm8001_pci_alloc(struct pci_dev *pdev,
 452                                  const struct pci_device_id *ent,
 453                                 struct Scsi_Host *shost)
 454
 455 {
 456         struct pm8001_hba_info *pm8001_ha;
 457         struct sas_ha_struct *sha = SHOST_TO_SAS_HA(shost);
 458         int j;
 459
 460         pm8001_ha = sha->lldd_ha;
 461         if (!pm8001_ha)
 462                 return NULL;
 463
 464         pm8001_ha->pdev = pdev;
 465         pm8001_ha->dev = &pdev->dev;
 466         pm8001_ha->chip_id = ent->driver_data;
 467         pm8001_ha->chip = &pm8001_chips[pm8001_ha->chip_id];
 468         pm8001_ha->irq = pdev->irq;
 469         pm8001_ha->sas = sha;
 470         pm8001_ha->shost = shost;
 471         pm8001_ha->id = pm8001_id++;
 472         pm8001_ha->logging_level = 0x01;
 473         sprintf(pm8001_ha->name, "%s%d", DRV_NAME, pm8001_ha->id);
 474         /* IOMB size is 128 for 8088/89 controllers */
 475         if (pm8001_ha->chip_id != chip_8001)
 476                 pm8001_ha->iomb_size = IOMB_SIZE_SPCV;
 477         else
 478                 pm8001_ha->iomb_size = IOMB_SIZE_SPC;
 479
 480 #ifdef PM8001_USE_TASKLET
 481         /* Tasklet for non msi-x interrupt handler */
 482         if ((!pdev->msix_cap) || (pm8001_ha->chip_id == chip_8001))
 483                 tasklet_init(&pm8001_ha->tasklet[0], pm8001_tasklet,
 484                         (unsigned long)&(pm8001_ha->irq_vector[0]));
 485         else
 486                 for (j = 0; j < PM8001_MAX_MSIX_VEC; j++)
 487                         tasklet_init(&pm8001_ha->tasklet[j], pm8001_tasklet,
 488                                 (unsigned long)&(pm8001_ha->irq_vector[j]));
 489 #endif
 490         pm8001_ioremap(pm8001_ha);
 491         if (!pm8001_alloc(pm8001_ha, ent))
 492                 return pm8001_ha;
 493         pm8001_free(pm8001_ha);
 494         return NULL;
 495 }
 496
 497 /**
 498  * pci_go_44 - pm8001 specified, its DMA is 44 bit rather than 64 bit
 499  * @pdev: pci device.
 500  */
 501 static int pci_go_44(struct pci_dev *pdev)
 502 {
 503         int rc;
 504
 505         if (!pci_set_dma_mask(pdev, DMA_BIT_MASK(44))) {
 506                 rc = pci_set_consistent_dma_mask(pdev, DMA_BIT_MASK(44));
 507                 if (rc) {
 508                         rc = pci_set_consistent_dma_mask(pdev,
 509                                 DMA_BIT_MASK(32));
 510                         if (rc) {
 511                                 dev_printk(KERN_ERR, &pdev->dev,
 512                                         "44-bit DMA enable failed\n");
 513                                 return rc;
 514                         }
 515                 }
 516         } else {
 517                 rc = pci_set_dma_mask(pdev, DMA_BIT_MASK(32));
 518                 if (rc) {
 519                         dev_printk(KERN_ERR, &pdev->dev,
 520                                 "32-bit DMA enable failed\n");
 521                         return rc;
 522                 }
 523                 rc = pci_set_consistent_dma_mask(pdev, DMA_BIT_MASK(32));
 524                 if (rc) {
 525                         dev_printk(KERN_ERR, &pdev->dev,
 526                                 "32-bit consistent DMA enable failed\n");
 527                         return rc;
 528                 }
 529         }
 530         return rc;
 531 }
 532
 533 /**
 534  * pm8001_prep_sas_ha_init - allocate memory in general hba struct && init them.
 535  * @shost: scsi host which has been allocated outside.
 536  * @chip_info: our ha struct.
 537  */
 538 static int pm8001_prep_sas_ha_init(struct Scsi_Host *shost,
 539                                    const struct pm8001_chip_info *chip_info)
 540 {
 541         int phy_nr, port_nr;
 542         struct asd_sas_phy **arr_phy;
 543         struct asd_sas_port **arr_port;
 544         struct sas_ha_struct *sha = SHOST_TO_SAS_HA(shost);
 545
 546         phy_nr = chip_info->n_phy;
 547         port_nr = phy_nr;
 548         memset(sha, 0x00, sizeof(*sha));
 549         arr_phy = kcalloc(phy_nr, sizeof(void *), GFP_KERNEL);
 550         if (!arr_phy)
 551                 goto exit;
 552         arr_port = kcalloc(port_nr, sizeof(void *), GFP_KERNEL);
 553         if (!arr_port)
 554                 goto exit_free2;
 555
 556         sha->sas_phy = arr_phy;
 557         sha->sas_port = arr_port;
 558         sha->lldd_ha = kzalloc(sizeof(struct pm8001_hba_info), GFP_KERNEL);
 559         if (!sha->lldd_ha)
 560                 goto exit_free1;
 561
 562         shost->transportt = pm8001_stt;
 563         shost->max_id = PM8001_MAX_DEVICES;
 564         shost->max_lun = 8;
 565         shost->max_channel = 0;
 566         shost->unique_id = pm8001_id;
 567         shost->max_cmd_len = 16;
 568         shost->can_queue = PM8001_CAN_QUEUE;
 569         shost->cmd_per_lun = 32;
 570         return 0;
 571 exit_free1:
 572         kfree(arr_port);
 573 exit_free2:
 574         kfree(arr_phy);
 575 exit:
 576         return -1;
 577 }
 578
 579 /**
 580  * pm8001_post_sas_ha_init - initialize general hba struct defined in libsas
 581  * @shost: scsi host which has been allocated outside
 582  * @chip_info: our ha struct.
 583  */
 584 static void  pm8001_post_sas_ha_init(struct Scsi_Host *shost,
 585                                      const struct pm8001_chip_info *chip_info)
 586 {
 587         int i = 0;
 588         struct pm8001_hba_info *pm8001_ha;
 589         struct sas_ha_struct *sha = SHOST_TO_SAS_HA(shost);
 590
 591         pm8001_ha = sha->lldd_ha;
 592         for (i = 0; i < chip_info->n_phy; i++) {
 593                 sha->sas_phy[i] = &pm8001_ha->phy[i].sas_phy;
 594                 sha->sas_port[i] = &pm8001_ha->port[i].sas_port;
 595         }
 596         sha->sas_ha_name = DRV_NAME;
 597         sha->dev = pm8001_ha->dev;
 598
 599         sha->lldd_module = THIS_MODULE;
 600         sha->sas_addr = &pm8001_ha->sas_addr[0];
 601         sha->num_phys = chip_info->n_phy;
 602         sha->lldd_max_execute_num = 1;
 603         sha->lldd_queue_size = PM8001_CAN_QUEUE;
 604         sha->core.shost = shost;
 605 }
 606
 607 /**
 608  * pm8001_init_sas_add - initialize sas address
 609  * @chip_info: our ha struct.
 610  *
 611  * Currently we just set the fixed SAS address to our HBA,for manufacture,
 612  * it should read from the EEPROM
 613  */
 614 static void pm8001_init_sas_add(struct pm8001_hba_info *pm8001_ha)
 615 {
 616         u8 i, j;
 617 #ifdef PM8001_READ_VPD
 618         /* For new SPC controllers WWN is stored in flash vpd
 619         *  For SPC/SPCve controllers WWN is stored in EEPROM
 620         *  For Older SPC WWN is stored in NVMD
 621         */
 622         DECLARE_COMPLETION_ONSTACK(completion);
 623         struct pm8001_ioctl_payload payload;
 624         u16 deviceid;
 625         int rc;
 626
 627         pci_read_config_word(pm8001_ha->pdev, PCI_DEVICE_ID, &deviceid);
 628         pm8001_ha->nvmd_completion = &completion;
 629
 630         if (pm8001_ha->chip_id == chip_8001) {
 631                 if (deviceid == 0x8081 || deviceid == 0x0042) {
 632                         payload.minor_function = 4;
 633                         payload.length = 4096;
 634                 } else {
 635                         payload.minor_function = 0;
 636                         payload.length = 128;
 637                 }
 638         } else {
 639                 payload.minor_function = 1;
 640                 payload.length = 4096;
 641         }
 642         payload.offset = 0;
 643         payload.func_specific = kzalloc(payload.length, GFP_KERNEL);
 644         if (!payload.func_specific) {
 645                 PM8001_INIT_DBG(pm8001_ha, pm8001_printk("mem alloc fail\n"));
 646                 return;
 647         }
 648         rc = PM8001_CHIP_DISP->get_nvmd_req(pm8001_ha, &payload);
 649         if (rc) {
 650                 kfree(payload.func_specific);
 651                 PM8001_INIT_DBG(pm8001_ha, pm8001_printk("nvmd failed\n"));
 652                 return;
 653         }
 654         wait_for_completion(&completion);
 655
 656         for (i = 0, j = 0; i <= 7; i++, j++) {
 657                 if (pm8001_ha->chip_id == chip_8001) {
 658                         if (deviceid == 0x8081)
 659                                 pm8001_ha->sas_addr[j] =
 660                                         payload.func_specific[0x704 + i];
 661                         else if (deviceid == 0x0042)
 662                                 pm8001_ha->sas_addr[j] =
 663                                         payload.func_specific[0x010 + i];
 664                 } else
 665                         pm8001_ha->sas_addr[j] =
 666                                         payload.func_specific[0x804 + i];
 667         }
 668
 669         for (i = 0; i < pm8001_ha->chip->n_phy; i++) {
 670                 memcpy(&pm8001_ha->phy[i].dev_sas_addr,
 671                         pm8001_ha->sas_addr, SAS_ADDR_SIZE);
 672                 PM8001_INIT_DBG(pm8001_ha,
 673                         pm8001_printk("phy %d sas_addr = %016llx\n", i,
 674                         pm8001_ha->phy[i].dev_sas_addr));
 675         }
 676         kfree(payload.func_specific);
 677 #else
 678         for (i = 0; i < pm8001_ha->chip->n_phy; i++) {
 679                 pm8001_ha->phy[i].dev_sas_addr = 0x50010c600047f9d0ULL;
 680                 pm8001_ha->phy[i].dev_sas_addr =
 681                         cpu_to_be64((u64)
 682                                 (*(u64 *)&pm8001_ha->phy[i].dev_sas_addr));
 683         }
 684         memcpy(pm8001_ha->sas_addr, &pm8001_ha->phy[0].dev_sas_addr,
 685                 SAS_ADDR_SIZE);
 686 #endif
 687 }
 688
 689 /*
 690  * pm8001_get_phy_settings_info : Read phy setting values.
 691  * @pm8001_ha : our hba.
 692  */
 693 static int pm8001_get_phy_settings_info(struct pm8001_hba_info *pm8001_ha)
 694 {
 695
 696 #ifdef PM8001_READ_VPD
 697         /*OPTION ROM FLASH read for the SPC cards */
 698         DECLARE_COMPLETION_ONSTACK(completion);
 699         struct pm8001_ioctl_payload payload;
 700         int rc;
 701
 702         pm8001_ha->nvmd_completion = &completion;
 703         /* SAS ADDRESS read from flash / EEPROM */
 704         payload.minor_function = 6;
 705         payload.offset = 0;
 706         payload.length = 4096;
 707         payload.func_specific = kzalloc(4096, GFP_KERNEL);
 708         if (!payload.func_specific)
 709                 return -ENOMEM;
 710         /* Read phy setting values from flash */
 711         rc = PM8001_CHIP_DISP->get_nvmd_req(pm8001_ha, &payload);
 712         if (rc) {
 713                 kfree(payload.func_specific);
 714                 PM8001_INIT_DBG(pm8001_ha, pm8001_printk("nvmd failed\n"));
 715                 return -ENOMEM;
 716         }
 717         wait_for_completion(&completion);
 718         pm8001_set_phy_profile(pm8001_ha, sizeof(u8), payload.func_specific);
 719         kfree(payload.func_specific);
 720 #endif
 721         return 0;
 722 }
 723
 724 #ifdef PM8001_USE_MSIX
 725 /**
 726  * pm8001_setup_msix - enable MSI-X interrupt
 727  * @chip_info: our ha struct.
 728  * @irq_handler: irq_handler
 729  */
 730 static u32 pm8001_setup_msix(struct pm8001_hba_info *pm8001_ha)
 731 {
 732         u32 i = 0, j = 0;
 733         u32 number_of_intr;
 734         int flag = 0;
 735         u32 max_entry;
 736         int rc;
 737         static char intr_drvname[PM8001_MAX_MSIX_VEC][sizeof(DRV_NAME)+3];
 738
 739         /* SPCv controllers supports 64 msi-x */
 740         if (pm8001_ha->chip_id == chip_8001) {
 741                 number_of_intr = 1;
 742         } else {
 743                 number_of_intr = PM8001_MAX_MSIX_VEC;
 744                 flag &= ~IRQF_SHARED;
 745         }
 746
 747         max_entry = sizeof(pm8001_ha->msix_entries) /
 748                 sizeof(pm8001_ha->msix_entries[0]);
 749         for (i = 0; i < max_entry ; i++)
 750                 pm8001_ha->msix_entries[i].entry = i;
 751         rc = pci_enable_msix_exact(pm8001_ha->pdev, pm8001_ha->msix_entries,
 752                 number_of_intr);
 753         pm8001_ha->number_of_intr = number_of_intr;
 754         if (rc)
 755                 return rc;
 756
 757         PM8001_INIT_DBG(pm8001_ha, pm8001_printk(
 758                 "pci_enable_msix_exact request ret:%d no of intr %d\n",
 759                                 rc, pm8001_ha->number_of_intr));
 760
 761         for (i = 0; i < number_of_intr; i++) {
 762                 snprintf(intr_drvname[i], sizeof(intr_drvname[0]),
 763                                 DRV_NAME"%d", i);
 764                 pm8001_ha->irq_vector[i].irq_id = i;
 765                 pm8001_ha->irq_vector[i].drv_inst = pm8001_ha;
 766
 767                 rc = request_irq(pm8001_ha->msix_entries[i].vector,
 768                         pm8001_interrupt_handler_msix, flag,
 769                         intr_drvname[i], &(pm8001_ha->irq_vector[i]));
 770                 if (rc) {
 771                         for (j = 0; j < i; j++) {
 772                                 free_irq(pm8001_ha->msix_entries[j].vector,
 773                                         &(pm8001_ha->irq_vector[i]));
 774                         }
 775                         pci_disable_msix(pm8001_ha->pdev);
 776                         break;
 777                 }
 778         }
 779
 780         return rc;
 781 }
 782 #endif
 783
 784 /**
 785  * pm8001_request_irq - register interrupt
 786  * @chip_info: our ha struct.
 787  */
 788 static u32 pm8001_request_irq(struct pm8001_hba_info *pm8001_ha)
 789 {
 790         struct pci_dev *pdev;
 791         int rc;
 792
 793         pdev = pm8001_ha->pdev;
 794
 795 #ifdef PM8001_USE_MSIX
 796         if (pdev->msix_cap)
 797                 return pm8001_setup_msix(pm8001_ha);
 798         else {
 799                 PM8001_INIT_DBG(pm8001_ha,
 800                         pm8001_printk("MSIX not supported!!!\n"));
 801                 goto intx;
 802         }
 803 #endif
 804
 805 intx:
 806         /* initialize the INT-X interrupt */
 807         rc = request_irq(pdev->irq, pm8001_interrupt_handler_intx, IRQF_SHARED,
 808                 DRV_NAME, SHOST_TO_SAS_HA(pm8001_ha->shost));
 809         return rc;
 810 }
 811
 812 /**
 813  * pm8001_pci_probe - probe supported device
 814  * @pdev: pci device which kernel has been prepared for.
 815  * @ent: pci device id
 816  *
 817  * This function is the main initialization function, when register a new
 818  * pci driver it is invoked, all struct an hardware initilization should be done
 819  * here, also, register interrupt
 820  */
 821 static int pm8001_pci_probe(struct pci_dev *pdev,
 822                             const struct pci_device_id *ent)
 823 {
 824         unsigned int rc;
 825         u32     pci_reg;
 826         u8      i = 0;
 827         struct pm8001_hba_info *pm8001_ha;
 828         struct Scsi_Host *shost = NULL;
 829         const struct pm8001_chip_info *chip;
 830
 831         dev_printk(KERN_INFO, &pdev->dev,
 832                 "pm80xx: driver version %s\n", DRV_VERSION);
 833         rc = pci_enable_device(pdev);
 834         if (rc)
 835                 goto err_out_enable;
 836         pci_set_master(pdev);
 837         /*
 838          * Enable pci slot busmaster by setting pci command register.
 839          * This is required by FW for Cyclone card.
 840          */
 841
 842         pci_read_config_dword(pdev, PCI_COMMAND, &pci_reg);
 843         pci_reg |= 0x157;
 844         pci_write_config_dword(pdev, PCI_COMMAND, pci_reg);
 845         rc = pci_request_regions(pdev, DRV_NAME);
 846         if (rc)
 847                 goto err_out_disable;
 848         rc = pci_go_44(pdev);
 849         if (rc)
 850                 goto err_out_regions;
 851
 852         shost = scsi_host_alloc(&pm8001_sht, sizeof(void *));
 853         if (!shost) {
 854                 rc = -ENOMEM;
 855                 goto err_out_regions;
 856         }
 857         chip = &pm8001_chips[ent->driver_data];
 858         SHOST_TO_SAS_HA(shost) =
 859                 kzalloc(sizeof(struct sas_ha_struct), GFP_KERNEL);
 860         if (!SHOST_TO_SAS_HA(shost)) {
 861                 rc = -ENOMEM;
 862                 goto err_out_free_host;
 863         }
 864
 865         rc = pm8001_prep_sas_ha_init(shost, chip);
 866         if (rc) {
 867                 rc = -ENOMEM;
 868                 goto err_out_free;
 869         }
 870         pci_set_drvdata(pdev, SHOST_TO_SAS_HA(shost));
 871         /* ent->driver variable is used to differentiate between controllers */
 872         pm8001_ha = pm8001_pci_alloc(pdev, ent, shost);
 873         if (!pm8001_ha) {
 874                 rc = -ENOMEM;
 875                 goto err_out_free;
 876         }
 877         list_add_tail(&pm8001_ha->list, &hba_list);
 878         PM8001_CHIP_DISP->chip_soft_rst(pm8001_ha);
 879         rc = PM8001_CHIP_DISP->chip_init(pm8001_ha);
 880         if (rc) {
 881                 PM8001_FAIL_DBG(pm8001_ha, pm8001_printk(
 882                         "chip_init failed [ret: %d]\n", rc));
 883                 goto err_out_ha_free;
 884         }
 885
 886         rc = scsi_add_host(shost, &pdev->dev);
 887         if (rc)
 888                 goto err_out_ha_free;
 889         rc = pm8001_request_irq(pm8001_ha);
 890         if (rc) {
 891                 PM8001_FAIL_DBG(pm8001_ha, pm8001_printk(
 892                         "pm8001_request_irq failed [ret: %d]\n", rc));
 893                 goto err_out_shost;
 894         }
 895
 896         PM8001_CHIP_DISP->interrupt_enable(pm8001_ha, 0);
 897         if (pm8001_ha->chip_id != chip_8001) {
 898                 for (i = 1; i < pm8001_ha->number_of_intr; i++)
 899                         PM8001_CHIP_DISP->interrupt_enable(pm8001_ha, i);
 900                 /* setup thermal configuration. */
 901                 pm80xx_set_thermal_config(pm8001_ha);
 902         }
 903
 904         pm8001_init_sas_add(pm8001_ha);
 905         /* phy setting support for motherboard controller */
 906         if (pdev->subsystem_vendor != PCI_VENDOR_ID_ADAPTEC2 &&
 907                 pdev->subsystem_vendor != 0) {
 908                 rc = pm8001_get_phy_settings_info(pm8001_ha);
 909                 if (rc)
 910                         goto err_out_shost;
 911         }
 912         pm8001_post_sas_ha_init(shost, chip);
 913         rc = sas_register_ha(SHOST_TO_SAS_HA(shost));
 914         if (rc)
 915                 goto err_out_shost;
 916         scsi_scan_host(pm8001_ha->shost);
 917         return 0;
 918
 919 err_out_shost:
 920         scsi_remove_host(pm8001_ha->shost);
 921 err_out_ha_free:
 922         pm8001_free(pm8001_ha);
 923 err_out_free:
 924         kfree(SHOST_TO_SAS_HA(shost));
 925 err_out_free_host:
 926         kfree(shost);
 927 err_out_regions:
 928         pci_release_regions(pdev);
 929 err_out_disable:
 930         pci_disable_device(pdev);
 931 err_out_enable:
 932         return rc;
 933 }
 934
 935 static void pm8001_pci_remove(struct pci_dev *pdev)
 936 {
 937         struct sas_ha_struct *sha = pci_get_drvdata(pdev);
 938         struct pm8001_hba_info *pm8001_ha;
 939         int i, j;
 940         pm8001_ha = sha->lldd_ha;
 941         sas_unregister_ha(sha);
 942         sas_remove_host(pm8001_ha->shost);
 943         list_del(&pm8001_ha->list);
 944         scsi_remove_host(pm8001_ha->shost);
 945         PM8001_CHIP_DISP->interrupt_disable(pm8001_ha, 0xFF);
 946         PM8001_CHIP_DISP->chip_soft_rst(pm8001_ha);
 947
 948 #ifdef PM8001_USE_MSIX
 949         for (i = 0; i < pm8001_ha->number_of_intr; i++)
 950                 synchronize_irq(pm8001_ha->msix_entries[i].vector);
 951         for (i = 0; i < pm8001_ha->number_of_intr; i++)
 952                 free_irq(pm8001_ha->msix_entries[i].vector,
 953                                 &(pm8001_ha->irq_vector[i]));
 954         pci_disable_msix(pdev);
 955 #else
 956         free_irq(pm8001_ha->irq, sha);
 957 #endif
 958 #ifdef PM8001_USE_TASKLET
 959         /* For non-msix and msix interrupts */
 960         if ((!pdev->msix_cap) || (pm8001_ha->chip_id == chip_8001))
 961                 tasklet_kill(&pm8001_ha->tasklet[0]);
 962         else
 963                 for (j = 0; j < PM8001_MAX_MSIX_VEC; j++)
 964                         tasklet_kill(&pm8001_ha->tasklet[j]);
 965 #endif
 966         pm8001_free(pm8001_ha);
 967         kfree(sha->sas_phy);
 968         kfree(sha->sas_port);
 969         kfree(sha);
 970         pci_release_regions(pdev);
 971         pci_disable_device(pdev);
 972 }
 973
 974 /**
 975  * pm8001_pci_suspend - power management suspend main entry point
 976  * @pdev: PCI device struct
 977  * @state: PM state change to (usually PCI_D3)
 978  *
 979  * Returns 0 success, anything else error.
 980  */
 981 static int pm8001_pci_suspend(struct pci_dev *pdev, pm_message_t state)
 982 {
 983         struct sas_ha_struct *sha = pci_get_drvdata(pdev);
 984         struct pm8001_hba_info *pm8001_ha;
 985         int  i, j;
 986         u32 device_state;
 987         pm8001_ha = sha->lldd_ha;
 988         sas_suspend_ha(sha);
 989         flush_workqueue(pm8001_wq);
 990         scsi_block_requests(pm8001_ha->shost);
 991         if (!pdev->pm_cap) {
 992                 dev_err(&pdev->dev, " PCI PM not supported\n");
 993                 return -ENODEV;
 994         }
 995         PM8001_CHIP_DISP->interrupt_disable(pm8001_ha, 0xFF);
 996         PM8001_CHIP_DISP->chip_soft_rst(pm8001_ha);
 997 #ifdef PM8001_USE_MSIX
 998         for (i = 0; i < pm8001_ha->number_of_intr; i++)
 999                 synchronize_irq(pm8001_ha->msix_entries[i].vector);
1000         for (i = 0; i < pm8001_ha->number_of_intr; i++)
1001                 free_irq(pm8001_ha->msix_entries[i].vector,
1002                                 &(pm8001_ha->irq_vector[i]));
1003         pci_disable_msix(pdev);
1004 #else
1005         free_irq(pm8001_ha->irq, sha);
1006 #endif
1007 #ifdef PM8001_USE_TASKLET
1008         /* For non-msix and msix interrupts */
1009         if ((!pdev->msix_cap) || (pm8001_ha->chip_id == chip_8001))
1010                 tasklet_kill(&pm8001_ha->tasklet[0]);
1011         else
1012                 for (j = 0; j < PM8001_MAX_MSIX_VEC; j++)
1013                         tasklet_kill(&pm8001_ha->tasklet[j]);
1014 #endif
1015         device_state = pci_choose_state(pdev, state);
1016         pm8001_printk("pdev=0x%p, slot=%s, entering "
1017                       "operating state [D%d]\n", pdev,
1018                       pm8001_ha->name, device_state);
1019         pci_save_state(pdev);
1020         pci_disable_device(pdev);
1021         pci_set_power_state(pdev, device_state);
1022         return 0;
1023 }
1024
1025 /**
1026  * pm8001_pci_resume - power management resume main entry point
1027  * @pdev: PCI device struct
1028  *
1029  * Returns 0 success, anything else error.
1030  */
1031 static int pm8001_pci_resume(struct pci_dev *pdev)
1032 {
1033         struct sas_ha_struct *sha = pci_get_drvdata(pdev);
1034         struct pm8001_hba_info *pm8001_ha;
1035         int rc;
1036         u8 i = 0, j;
1037         u32 device_state;
1038         DECLARE_COMPLETION_ONSTACK(completion);
1039         pm8001_ha = sha->lldd_ha;
1040         device_state = pdev->current_state;
1041
1042         pm8001_printk("pdev=0x%p, slot=%s, resuming from previous "
1043                 "operating state [D%d]\n", pdev, pm8001_ha->name, device_state);
1044
1045         pci_set_power_state(pdev, PCI_D0);
1046         pci_enable_wake(pdev, PCI_D0, 0);
1047         pci_restore_state(pdev);
1048         rc = pci_enable_device(pdev);
1049         if (rc) {
1050                 pm8001_printk("slot=%s Enable device failed during resume\n",
1051                               pm8001_ha->name);
1052                 goto err_out_enable;
1053         }
1054
1055         pci_set_master(pdev);
1056         rc = pci_go_44(pdev);
1057         if (rc)
1058                 goto err_out_disable;
1059         sas_prep_resume_ha(sha);
1060         /* chip soft rst only for spc */
1061         if (pm8001_ha->chip_id == chip_8001) {
1062                 PM8001_CHIP_DISP->chip_soft_rst(pm8001_ha);
1063                 PM8001_INIT_DBG(pm8001_ha,
1064                         pm8001_printk("chip soft reset successful\n"));
1065         }
1066         rc = PM8001_CHIP_DISP->chip_init(pm8001_ha);
1067         if (rc)
1068                 goto err_out_disable;
1069
1070         /* disable all the interrupt bits */
1071         PM8001_CHIP_DISP->interrupt_disable(pm8001_ha, 0xFF);
1072
1073         rc = pm8001_request_irq(pm8001_ha);
1074         if (rc)
1075                 goto err_out_disable;
1076 #ifdef PM8001_USE_TASKLET
1077         /*  Tasklet for non msi-x interrupt handler */
1078         if ((!pdev->msix_cap) || (pm8001_ha->chip_id == chip_8001))
1079                 tasklet_init(&pm8001_ha->tasklet[0], pm8001_tasklet,
1080                         (unsigned long)&(pm8001_ha->irq_vector[0]));
1081         else
1082                 for (j = 0; j < PM8001_MAX_MSIX_VEC; j++)
1083                         tasklet_init(&pm8001_ha->tasklet[j], pm8001_tasklet,
1084                                 (unsigned long)&(pm8001_ha->irq_vector[j]));
1085 #endif
1086         PM8001_CHIP_DISP->interrupt_enable(pm8001_ha, 0);
1087         if (pm8001_ha->chip_id != chip_8001) {
1088                 for (i = 1; i < pm8001_ha->number_of_intr; i++)
1089                         PM8001_CHIP_DISP->interrupt_enable(pm8001_ha, i);
1090         }
1091         pm8001_ha->flags = PM8001F_RUN_TIME;
1092         for (i = 0; i < pm8001_ha->chip->n_phy; i++) {
1093                 pm8001_ha->phy[i].enable_completion = &completion;
1094                 PM8001_CHIP_DISP->phy_start_req(pm8001_ha, i);
1095                 wait_for_completion(&completion);
1096         }
1097         sas_resume_ha(sha);
1098         return 0;
1099
1100 err_out_disable:
1101         scsi_remove_host(pm8001_ha->shost);
1102         pci_disable_device(pdev);
1103 err_out_enable:
1104         return rc;
1105 }
1106
1107 /* update of pci device, vendor id and driver data with
1108  * unique value for each of the controller
1109  */
1110 static struct pci_device_id pm8001_pci_table[] = {
1111         { PCI_VDEVICE(PMC_Sierra, 0x8001), chip_8001 },
1112         { PCI_VDEVICE(ATTO, 0x0042), chip_8001 },
1113         /* Support for SPC/SPCv/SPCve controllers */
1114         { PCI_VDEVICE(ADAPTEC2, 0x8001), chip_8001 },
1115         { PCI_VDEVICE(PMC_Sierra, 0x8008), chip_8008 },
1116         { PCI_VDEVICE(ADAPTEC2, 0x8008), chip_8008 },
1117         { PCI_VDEVICE(PMC_Sierra, 0x8018), chip_8018 },
1118         { PCI_VDEVICE(ADAPTEC2, 0x8018), chip_8018 },
1119         { PCI_VDEVICE(PMC_Sierra, 0x8009), chip_8009 },
1120         { PCI_VDEVICE(ADAPTEC2, 0x8009), chip_8009 },
1121         { PCI_VDEVICE(PMC_Sierra, 0x8019), chip_8019 },
1122         { PCI_VDEVICE(ADAPTEC2, 0x8019), chip_8019 },
1123         { PCI_VDEVICE(PMC_Sierra, 0x8074), chip_8074 },
1124         { PCI_VDEVICE(ADAPTEC2, 0x8074), chip_8074 },
1125         { PCI_VDEVICE(PMC_Sierra, 0x8076), chip_8076 },
1126         { PCI_VDEVICE(ADAPTEC2, 0x8076), chip_8076 },
1127         { PCI_VDEVICE(PMC_Sierra, 0x8077), chip_8077 },
1128         { PCI_VDEVICE(ADAPTEC2, 0x8077), chip_8077 },
1129         { PCI_VENDOR_ID_ADAPTEC2, 0x8081,
1130                 PCI_VENDOR_ID_ADAPTEC2, 0x0400, 0, 0, chip_8001 },
1131         { PCI_VENDOR_ID_ADAPTEC2, 0x8081,
1132                 PCI_VENDOR_ID_ADAPTEC2, 0x0800, 0, 0, chip_8001 },
1133         { PCI_VENDOR_ID_ADAPTEC2, 0x8088,
1134                 PCI_VENDOR_ID_ADAPTEC2, 0x0008, 0, 0, chip_8008 },
1135         { PCI_VENDOR_ID_ADAPTEC2, 0x8088,
1136                 PCI_VENDOR_ID_ADAPTEC2, 0x0800, 0, 0, chip_8008 },
1137         { PCI_VENDOR_ID_ADAPTEC2, 0x8089,
1138                 PCI_VENDOR_ID_ADAPTEC2, 0x0008, 0, 0, chip_8009 },
1139         { PCI_VENDOR_ID_ADAPTEC2, 0x8089,
1140                 PCI_VENDOR_ID_ADAPTEC2, 0x0800, 0, 0, chip_8009 },
1141         { PCI_VENDOR_ID_ADAPTEC2, 0x8088,
1142                 PCI_VENDOR_ID_ADAPTEC2, 0x0016, 0, 0, chip_8018 },
1143         { PCI_VENDOR_ID_ADAPTEC2, 0x8088,
1144                 PCI_VENDOR_ID_ADAPTEC2, 0x1600, 0, 0, chip_8018 },
1145         { PCI_VENDOR_ID_ADAPTEC2, 0x8089,
1146                 PCI_VENDOR_ID_ADAPTEC2, 0x0016, 0, 0, chip_8019 },
1147         { PCI_VENDOR_ID_ADAPTEC2, 0x8089,
1148                 PCI_VENDOR_ID_ADAPTEC2, 0x1600, 0, 0, chip_8019 },
1149         { PCI_VENDOR_ID_ADAPTEC2, 0x8074,
1150                 PCI_VENDOR_ID_ADAPTEC2, 0x0800, 0, 0, chip_8074 },
1151         { PCI_VENDOR_ID_ADAPTEC2, 0x8076,
1152                 PCI_VENDOR_ID_ADAPTEC2, 0x1600, 0, 0, chip_8076 },
1153         { PCI_VENDOR_ID_ADAPTEC2, 0x8077,
1154                 PCI_VENDOR_ID_ADAPTEC2, 0x1600, 0, 0, chip_8077 },
1155         { PCI_VENDOR_ID_ADAPTEC2, 0x8074,
1156                 PCI_VENDOR_ID_ADAPTEC2, 0x0008, 0, 0, chip_8074 },
1157         { PCI_VENDOR_ID_ADAPTEC2, 0x8076,
1158                 PCI_VENDOR_ID_ADAPTEC2, 0x0016, 0, 0, chip_8076 },
1159         { PCI_VENDOR_ID_ADAPTEC2, 0x8077,
1160                 PCI_VENDOR_ID_ADAPTEC2, 0x0016, 0, 0, chip_8077 },
1161         { PCI_VENDOR_ID_ADAPTEC2, 0x8076,
1162                 PCI_VENDOR_ID_ADAPTEC2, 0x0808, 0, 0, chip_8076 },
1163         { PCI_VENDOR_ID_ADAPTEC2, 0x8077,
1164                 PCI_VENDOR_ID_ADAPTEC2, 0x0808, 0, 0, chip_8077 },
1165         { PCI_VENDOR_ID_ADAPTEC2, 0x8074,
1166                 PCI_VENDOR_ID_ADAPTEC2, 0x0404, 0, 0, chip_8074 },
1167         {} /* terminate list */
1168 };
1169
1170 static struct pci_driver pm8001_pci_driver = {
1171         .name           = DRV_NAME,
1172         .id_table       = pm8001_pci_table,
1173         .probe          = pm8001_pci_probe,
1174         .remove         = pm8001_pci_remove,
1175         .suspend        = pm8001_pci_suspend,
1176         .resume         = pm8001_pci_resume,
1177 };
1178
1179 /**
1180  *      pm8001_init - initialize scsi transport template
1181  */
1182 static int __init pm8001_init(void)
1183 {
1184         int rc = -ENOMEM;
1185
1186         pm8001_wq = alloc_workqueue("pm80xx", 0, 0);
1187         if (!pm8001_wq)
1188                 goto err;
1189
1190         pm8001_id = 0;
1191         pm8001_stt = sas_domain_attach_transport(&pm8001_transport_ops);
1192         if (!pm8001_stt)
1193                 goto err_wq;
1194         rc = pci_register_driver(&pm8001_pci_driver);
1195         if (rc)
1196                 goto err_tp;
1197         return 0;
1198
1199 err_tp:
1200         sas_release_transport(pm8001_stt);
1201 err_wq:
1202         destroy_workqueue(pm8001_wq);
1203 err:
1204         return rc;
1205 }
1206
1207 static void __exit pm8001_exit(void)
1208 {
1209         pci_unregister_driver(&pm8001_pci_driver);
1210         sas_release_transport(pm8001_stt);
1211         destroy_workqueue(pm8001_wq);
1212 }
1213
1214 module_init(pm8001_init);
1215 module_exit(pm8001_exit);
1216
1217 MODULE_AUTHOR("Jack Wang <jack_wang@usish.com>");
1218 MODULE_AUTHOR("Anand Kumar Santhanam <AnandKumar.Santhanam@pmcs.com>");
1219 MODULE_AUTHOR("Sangeetha Gnanasekaran <Sangeetha.Gnanasekaran@pmcs.com>");
1220 MODULE_AUTHOR("Nikith Ganigarakoppal <Nikith.Ganigarakoppal@pmcs.com>");
1221 MODULE_DESCRIPTION(
1222                 "PMC-Sierra PM8001/8081/8088/8089/8074/8076/8077 "
1223                 "SAS/SATA controller driver");
1224 MODULE_VERSION(DRV_VERSION);
1225 MODULE_LICENSE("GPL");
1226 MODULE_DEVICE_TABLE(pci, pm8001_pci_table);
1227