linux/drivers/scsi/pm8001/pm8001_init.c
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   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
  45static 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 */
  51static 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        [chip_8006] = {0,  16, &pm8001_80xx_dispatch,},
  61        [chip_8070] = {0,  8, &pm8001_80xx_dispatch,},
  62        [chip_8072] = {0,  16, &pm8001_80xx_dispatch,},
  63};
  64static int pm8001_id;
  65
  66LIST_HEAD(hba_list);
  67
  68struct workqueue_struct *pm8001_wq;
  69
  70/**
  71 * The main structure which LLDD must register for scsi core.
  72 */
  73static struct scsi_host_template pm8001_sht = {
  74        .module                 = THIS_MODULE,
  75        .name                   = DRV_NAME,
  76        .queuecommand           = sas_queuecommand,
  77        .target_alloc           = sas_target_alloc,
  78        .slave_configure        = sas_slave_configure,
  79        .scan_finished          = pm8001_scan_finished,
  80        .scan_start             = pm8001_scan_start,
  81        .change_queue_depth     = sas_change_queue_depth,
  82        .bios_param             = sas_bios_param,
  83        .can_queue              = 1,
  84        .this_id                = -1,
  85        .sg_tablesize           = SG_ALL,
  86        .max_sectors            = SCSI_DEFAULT_MAX_SECTORS,
  87        .use_clustering         = ENABLE_CLUSTERING,
  88        .eh_device_reset_handler = sas_eh_device_reset_handler,
  89        .eh_target_reset_handler = sas_eh_target_reset_handler,
  90        .target_destroy         = sas_target_destroy,
  91        .ioctl                  = sas_ioctl,
  92        .shost_attrs            = pm8001_host_attrs,
  93        .track_queue_depth      = 1,
  94};
  95
  96/**
  97 * Sas layer call this function to execute specific task.
  98 */
  99static struct sas_domain_function_template pm8001_transport_ops = {
 100        .lldd_dev_found         = pm8001_dev_found,
 101        .lldd_dev_gone          = pm8001_dev_gone,
 102
 103        .lldd_execute_task      = pm8001_queue_command,
 104        .lldd_control_phy       = pm8001_phy_control,
 105
 106        .lldd_abort_task        = pm8001_abort_task,
 107        .lldd_abort_task_set    = pm8001_abort_task_set,
 108        .lldd_clear_aca         = pm8001_clear_aca,
 109        .lldd_clear_task_set    = pm8001_clear_task_set,
 110        .lldd_I_T_nexus_reset   = pm8001_I_T_nexus_reset,
 111        .lldd_lu_reset          = pm8001_lu_reset,
 112        .lldd_query_task        = pm8001_query_task,
 113};
 114
 115/**
 116 *pm8001_phy_init - initiate our adapter phys
 117 *@pm8001_ha: our hba structure.
 118 *@phy_id: phy id.
 119 */
 120static void pm8001_phy_init(struct pm8001_hba_info *pm8001_ha, int phy_id)
 121{
 122        struct pm8001_phy *phy = &pm8001_ha->phy[phy_id];
 123        struct asd_sas_phy *sas_phy = &phy->sas_phy;
 124        phy->phy_state = 0;
 125        phy->pm8001_ha = pm8001_ha;
 126        sas_phy->enabled = (phy_id < pm8001_ha->chip->n_phy) ? 1 : 0;
 127        sas_phy->class = SAS;
 128        sas_phy->iproto = SAS_PROTOCOL_ALL;
 129        sas_phy->tproto = 0;
 130        sas_phy->type = PHY_TYPE_PHYSICAL;
 131        sas_phy->role = PHY_ROLE_INITIATOR;
 132        sas_phy->oob_mode = OOB_NOT_CONNECTED;
 133        sas_phy->linkrate = SAS_LINK_RATE_UNKNOWN;
 134        sas_phy->id = phy_id;
 135        sas_phy->sas_addr = (u8 *)&phy->dev_sas_addr;
 136        sas_phy->frame_rcvd = &phy->frame_rcvd[0];
 137        sas_phy->ha = (struct sas_ha_struct *)pm8001_ha->shost->hostdata;
 138        sas_phy->lldd_phy = phy;
 139}
 140
 141/**
 142 *pm8001_free - free hba
 143 *@pm8001_ha:   our hba structure.
 144 *
 145 */
 146static void pm8001_free(struct pm8001_hba_info *pm8001_ha)
 147{
 148        int i;
 149
 150        if (!pm8001_ha)
 151                return;
 152
 153        for (i = 0; i < USI_MAX_MEMCNT; i++) {
 154                if (pm8001_ha->memoryMap.region[i].virt_ptr != NULL) {
 155                        pci_free_consistent(pm8001_ha->pdev,
 156                                (pm8001_ha->memoryMap.region[i].total_len +
 157                                pm8001_ha->memoryMap.region[i].alignment),
 158                                pm8001_ha->memoryMap.region[i].virt_ptr,
 159                                pm8001_ha->memoryMap.region[i].phys_addr);
 160                        }
 161        }
 162        PM8001_CHIP_DISP->chip_iounmap(pm8001_ha);
 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 */
 175static 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 */
 195static 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
 220static 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 */
 244static 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;
 388err_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 */
 397static 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].memsize =
 420                                pci_resource_len(pdev, bar);
 421                        pm8001_ha->io_mem[logicalBar].memvirtaddr =
 422                                ioremap(pm8001_ha->io_mem[logicalBar].membase,
 423                                pm8001_ha->io_mem[logicalBar].memsize);
 424                        PM8001_INIT_DBG(pm8001_ha,
 425                                pm8001_printk("PCI: bar %d, logicalBar %d ",
 426                                bar, logicalBar));
 427                        PM8001_INIT_DBG(pm8001_ha, pm8001_printk(
 428                                "base addr %llx virt_addr=%llx len=%d\n",
 429                                (u64)pm8001_ha->io_mem[logicalBar].membase,
 430                                (u64)(unsigned long)
 431                                pm8001_ha->io_mem[logicalBar].memvirtaddr,
 432                                pm8001_ha->io_mem[logicalBar].memsize));
 433                } else {
 434                        pm8001_ha->io_mem[logicalBar].membase   = 0;
 435                        pm8001_ha->io_mem[logicalBar].memsize   = 0;
 436                        pm8001_ha->io_mem[logicalBar].memvirtaddr = 0;
 437                }
 438                logicalBar++;
 439        }
 440        return 0;
 441}
 442
 443/**
 444 * pm8001_pci_alloc - initialize our ha card structure
 445 * @pdev: pci device.
 446 * @ent: ent
 447 * @shost: scsi host struct which has been initialized before.
 448 */
 449static struct pm8001_hba_info *pm8001_pci_alloc(struct pci_dev *pdev,
 450                                 const struct pci_device_id *ent,
 451                                struct Scsi_Host *shost)
 452
 453{
 454        struct pm8001_hba_info *pm8001_ha;
 455        struct sas_ha_struct *sha = SHOST_TO_SAS_HA(shost);
 456        int j;
 457
 458        pm8001_ha = sha->lldd_ha;
 459        if (!pm8001_ha)
 460                return NULL;
 461
 462        pm8001_ha->pdev = pdev;
 463        pm8001_ha->dev = &pdev->dev;
 464        pm8001_ha->chip_id = ent->driver_data;
 465        pm8001_ha->chip = &pm8001_chips[pm8001_ha->chip_id];
 466        pm8001_ha->irq = pdev->irq;
 467        pm8001_ha->sas = sha;
 468        pm8001_ha->shost = shost;
 469        pm8001_ha->id = pm8001_id++;
 470        pm8001_ha->logging_level = 0x01;
 471        sprintf(pm8001_ha->name, "%s%d", DRV_NAME, pm8001_ha->id);
 472        /* IOMB size is 128 for 8088/89 controllers */
 473        if (pm8001_ha->chip_id != chip_8001)
 474                pm8001_ha->iomb_size = IOMB_SIZE_SPCV;
 475        else
 476                pm8001_ha->iomb_size = IOMB_SIZE_SPC;
 477
 478#ifdef PM8001_USE_TASKLET
 479        /* Tasklet for non msi-x interrupt handler */
 480        if ((!pdev->msix_cap || !pci_msi_enabled())
 481            || (pm8001_ha->chip_id == chip_8001))
 482                tasklet_init(&pm8001_ha->tasklet[0], pm8001_tasklet,
 483                        (unsigned long)&(pm8001_ha->irq_vector[0]));
 484        else
 485                for (j = 0; j < PM8001_MAX_MSIX_VEC; j++)
 486                        tasklet_init(&pm8001_ha->tasklet[j], pm8001_tasklet,
 487                                (unsigned long)&(pm8001_ha->irq_vector[j]));
 488#endif
 489        pm8001_ioremap(pm8001_ha);
 490        if (!pm8001_alloc(pm8001_ha, ent))
 491                return pm8001_ha;
 492        pm8001_free(pm8001_ha);
 493        return NULL;
 494}
 495
 496/**
 497 * pci_go_44 - pm8001 specified, its DMA is 44 bit rather than 64 bit
 498 * @pdev: pci device.
 499 */
 500static int pci_go_44(struct pci_dev *pdev)
 501{
 502        int rc;
 503
 504        if (!pci_set_dma_mask(pdev, DMA_BIT_MASK(44))) {
 505                rc = pci_set_consistent_dma_mask(pdev, DMA_BIT_MASK(44));
 506                if (rc) {
 507                        rc = pci_set_consistent_dma_mask(pdev,
 508                                DMA_BIT_MASK(32));
 509                        if (rc) {
 510                                dev_printk(KERN_ERR, &pdev->dev,
 511                                        "44-bit DMA enable failed\n");
 512                                return rc;
 513                        }
 514                }
 515        } else {
 516                rc = pci_set_dma_mask(pdev, DMA_BIT_MASK(32));
 517                if (rc) {
 518                        dev_printk(KERN_ERR, &pdev->dev,
 519                                "32-bit DMA enable failed\n");
 520                        return rc;
 521                }
 522                rc = pci_set_consistent_dma_mask(pdev, DMA_BIT_MASK(32));
 523                if (rc) {
 524                        dev_printk(KERN_ERR, &pdev->dev,
 525                                "32-bit consistent DMA enable failed\n");
 526                        return rc;
 527                }
 528        }
 529        return rc;
 530}
 531
 532/**
 533 * pm8001_prep_sas_ha_init - allocate memory in general hba struct && init them.
 534 * @shost: scsi host which has been allocated outside.
 535 * @chip_info: our ha struct.
 536 */
 537static int pm8001_prep_sas_ha_init(struct Scsi_Host *shost,
 538                                   const struct pm8001_chip_info *chip_info)
 539{
 540        int phy_nr, port_nr;
 541        struct asd_sas_phy **arr_phy;
 542        struct asd_sas_port **arr_port;
 543        struct sas_ha_struct *sha = SHOST_TO_SAS_HA(shost);
 544
 545        phy_nr = chip_info->n_phy;
 546        port_nr = phy_nr;
 547        memset(sha, 0x00, sizeof(*sha));
 548        arr_phy = kcalloc(phy_nr, sizeof(void *), GFP_KERNEL);
 549        if (!arr_phy)
 550                goto exit;
 551        arr_port = kcalloc(port_nr, sizeof(void *), GFP_KERNEL);
 552        if (!arr_port)
 553                goto exit_free2;
 554
 555        sha->sas_phy = arr_phy;
 556        sha->sas_port = arr_port;
 557        sha->lldd_ha = kzalloc(sizeof(struct pm8001_hba_info), GFP_KERNEL);
 558        if (!sha->lldd_ha)
 559                goto exit_free1;
 560
 561        shost->transportt = pm8001_stt;
 562        shost->max_id = PM8001_MAX_DEVICES;
 563        shost->max_lun = 8;
 564        shost->max_channel = 0;
 565        shost->unique_id = pm8001_id;
 566        shost->max_cmd_len = 16;
 567        shost->can_queue = PM8001_CAN_QUEUE;
 568        shost->cmd_per_lun = 32;
 569        return 0;
 570exit_free1:
 571        kfree(arr_port);
 572exit_free2:
 573        kfree(arr_phy);
 574exit:
 575        return -1;
 576}
 577
 578/**
 579 * pm8001_post_sas_ha_init - initialize general hba struct defined in libsas
 580 * @shost: scsi host which has been allocated outside
 581 * @chip_info: our ha struct.
 582 */
 583static void  pm8001_post_sas_ha_init(struct Scsi_Host *shost,
 584                                     const struct pm8001_chip_info *chip_info)
 585{
 586        int i = 0;
 587        struct pm8001_hba_info *pm8001_ha;
 588        struct sas_ha_struct *sha = SHOST_TO_SAS_HA(shost);
 589
 590        pm8001_ha = sha->lldd_ha;
 591        for (i = 0; i < chip_info->n_phy; i++) {
 592                sha->sas_phy[i] = &pm8001_ha->phy[i].sas_phy;
 593                sha->sas_port[i] = &pm8001_ha->port[i].sas_port;
 594                sha->sas_phy[i]->sas_addr =
 595                        (u8 *)&pm8001_ha->phy[i].dev_sas_addr;
 596        }
 597        sha->sas_ha_name = DRV_NAME;
 598        sha->dev = pm8001_ha->dev;
 599        sha->strict_wide_ports = 1;
 600        sha->lldd_module = THIS_MODULE;
 601        sha->sas_addr = &pm8001_ha->sas_addr[0];
 602        sha->num_phys = chip_info->n_phy;
 603        sha->core.shost = shost;
 604}
 605
 606/**
 607 * pm8001_init_sas_add - initialize sas address
 608 * @chip_info: our ha struct.
 609 *
 610 * Currently we just set the fixed SAS address to our HBA,for manufacture,
 611 * it should read from the EEPROM
 612 */
 613static void pm8001_init_sas_add(struct pm8001_hba_info *pm8001_ha)
 614{
 615        u8 i, j;
 616        u8 sas_add[8];
 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 if ((pm8001_ha->chip_id == chip_8070 ||
 639                        pm8001_ha->chip_id == chip_8072) &&
 640                        pm8001_ha->pdev->subsystem_vendor == PCI_VENDOR_ID_ATTO) {
 641                payload.minor_function = 4;
 642                payload.length = 4096;
 643        } else {
 644                payload.minor_function = 1;
 645                payload.length = 4096;
 646        }
 647        payload.offset = 0;
 648        payload.func_specific = kzalloc(payload.length, GFP_KERNEL);
 649        if (!payload.func_specific) {
 650                PM8001_INIT_DBG(pm8001_ha, pm8001_printk("mem alloc fail\n"));
 651                return;
 652        }
 653        rc = PM8001_CHIP_DISP->get_nvmd_req(pm8001_ha, &payload);
 654        if (rc) {
 655                kfree(payload.func_specific);
 656                PM8001_INIT_DBG(pm8001_ha, pm8001_printk("nvmd failed\n"));
 657                return;
 658        }
 659        wait_for_completion(&completion);
 660
 661        for (i = 0, j = 0; i <= 7; i++, j++) {
 662                if (pm8001_ha->chip_id == chip_8001) {
 663                        if (deviceid == 0x8081)
 664                                pm8001_ha->sas_addr[j] =
 665                                        payload.func_specific[0x704 + i];
 666                        else if (deviceid == 0x0042)
 667                                pm8001_ha->sas_addr[j] =
 668                                        payload.func_specific[0x010 + i];
 669                } else if ((pm8001_ha->chip_id == chip_8070 ||
 670                                pm8001_ha->chip_id == chip_8072) &&
 671                                pm8001_ha->pdev->subsystem_vendor == PCI_VENDOR_ID_ATTO) {
 672                        pm8001_ha->sas_addr[j] =
 673                                        payload.func_specific[0x010 + i];
 674                } else
 675                        pm8001_ha->sas_addr[j] =
 676                                        payload.func_specific[0x804 + i];
 677        }
 678        memcpy(sas_add, pm8001_ha->sas_addr, SAS_ADDR_SIZE);
 679        for (i = 0; i < pm8001_ha->chip->n_phy; i++) {
 680                if (i && ((i % 4) == 0))
 681                        sas_add[7] = sas_add[7] + 4;
 682                memcpy(&pm8001_ha->phy[i].dev_sas_addr,
 683                        sas_add, SAS_ADDR_SIZE);
 684                PM8001_INIT_DBG(pm8001_ha,
 685                        pm8001_printk("phy %d sas_addr = %016llx\n", i,
 686                        pm8001_ha->phy[i].dev_sas_addr));
 687        }
 688        kfree(payload.func_specific);
 689#else
 690        for (i = 0; i < pm8001_ha->chip->n_phy; i++) {
 691                pm8001_ha->phy[i].dev_sas_addr = 0x50010c600047f9d0ULL;
 692                pm8001_ha->phy[i].dev_sas_addr =
 693                        cpu_to_be64((u64)
 694                                (*(u64 *)&pm8001_ha->phy[i].dev_sas_addr));
 695        }
 696        memcpy(pm8001_ha->sas_addr, &pm8001_ha->phy[0].dev_sas_addr,
 697                SAS_ADDR_SIZE);
 698#endif
 699}
 700
 701/*
 702 * pm8001_get_phy_settings_info : Read phy setting values.
 703 * @pm8001_ha : our hba.
 704 */
 705static int pm8001_get_phy_settings_info(struct pm8001_hba_info *pm8001_ha)
 706{
 707
 708#ifdef PM8001_READ_VPD
 709        /*OPTION ROM FLASH read for the SPC cards */
 710        DECLARE_COMPLETION_ONSTACK(completion);
 711        struct pm8001_ioctl_payload payload;
 712        int rc;
 713
 714        pm8001_ha->nvmd_completion = &completion;
 715        /* SAS ADDRESS read from flash / EEPROM */
 716        payload.minor_function = 6;
 717        payload.offset = 0;
 718        payload.length = 4096;
 719        payload.func_specific = kzalloc(4096, GFP_KERNEL);
 720        if (!payload.func_specific)
 721                return -ENOMEM;
 722        /* Read phy setting values from flash */
 723        rc = PM8001_CHIP_DISP->get_nvmd_req(pm8001_ha, &payload);
 724        if (rc) {
 725                kfree(payload.func_specific);
 726                PM8001_INIT_DBG(pm8001_ha, pm8001_printk("nvmd failed\n"));
 727                return -ENOMEM;
 728        }
 729        wait_for_completion(&completion);
 730        pm8001_set_phy_profile(pm8001_ha, sizeof(u8), payload.func_specific);
 731        kfree(payload.func_specific);
 732#endif
 733        return 0;
 734}
 735
 736struct pm8001_mpi3_phy_pg_trx_config {
 737        u32 LaneLosCfg;
 738        u32 LanePgaCfg1;
 739        u32 LanePisoCfg1;
 740        u32 LanePisoCfg2;
 741        u32 LanePisoCfg3;
 742        u32 LanePisoCfg4;
 743        u32 LanePisoCfg5;
 744        u32 LanePisoCfg6;
 745        u32 LaneBctCtrl;
 746};
 747
 748/**
 749 * pm8001_get_internal_phy_settings : Retrieves the internal PHY settings
 750 * @pm8001_ha : our adapter
 751 * @phycfg : PHY config page to populate
 752 */
 753static
 754void pm8001_get_internal_phy_settings(struct pm8001_hba_info *pm8001_ha,
 755                struct pm8001_mpi3_phy_pg_trx_config *phycfg)
 756{
 757        phycfg->LaneLosCfg   = 0x00000132;
 758        phycfg->LanePgaCfg1  = 0x00203949;
 759        phycfg->LanePisoCfg1 = 0x000000FF;
 760        phycfg->LanePisoCfg2 = 0xFF000001;
 761        phycfg->LanePisoCfg3 = 0xE7011300;
 762        phycfg->LanePisoCfg4 = 0x631C40C0;
 763        phycfg->LanePisoCfg5 = 0xF8102036;
 764        phycfg->LanePisoCfg6 = 0xF74A1000;
 765        phycfg->LaneBctCtrl  = 0x00FB33F8;
 766}
 767
 768/**
 769 * pm8001_get_external_phy_settings : Retrieves the external PHY settings
 770 * @pm8001_ha : our adapter
 771 * @phycfg : PHY config page to populate
 772 */
 773static
 774void pm8001_get_external_phy_settings(struct pm8001_hba_info *pm8001_ha,
 775                struct pm8001_mpi3_phy_pg_trx_config *phycfg)
 776{
 777        phycfg->LaneLosCfg   = 0x00000132;
 778        phycfg->LanePgaCfg1  = 0x00203949;
 779        phycfg->LanePisoCfg1 = 0x000000FF;
 780        phycfg->LanePisoCfg2 = 0xFF000001;
 781        phycfg->LanePisoCfg3 = 0xE7011300;
 782        phycfg->LanePisoCfg4 = 0x63349140;
 783        phycfg->LanePisoCfg5 = 0xF8102036;
 784        phycfg->LanePisoCfg6 = 0xF80D9300;
 785        phycfg->LaneBctCtrl  = 0x00FB33F8;
 786}
 787
 788/**
 789 * pm8001_get_phy_mask : Retrieves the mask that denotes if a PHY is int/ext
 790 * @pm8001_ha : our adapter
 791 * @phymask : The PHY mask
 792 */
 793static
 794void pm8001_get_phy_mask(struct pm8001_hba_info *pm8001_ha, int *phymask)
 795{
 796        switch (pm8001_ha->pdev->subsystem_device) {
 797        case 0x0070: /* H1280 - 8 external 0 internal */
 798        case 0x0072: /* H12F0 - 16 external 0 internal */
 799                *phymask = 0x0000;
 800                break;
 801
 802        case 0x0071: /* H1208 - 0 external 8 internal */
 803        case 0x0073: /* H120F - 0 external 16 internal */
 804                *phymask = 0xFFFF;
 805                break;
 806
 807        case 0x0080: /* H1244 - 4 external 4 internal */
 808                *phymask = 0x00F0;
 809                break;
 810
 811        case 0x0081: /* H1248 - 4 external 8 internal */
 812                *phymask = 0x0FF0;
 813                break;
 814
 815        case 0x0082: /* H1288 - 8 external 8 internal */
 816                *phymask = 0xFF00;
 817                break;
 818
 819        default:
 820                PM8001_INIT_DBG(pm8001_ha,
 821                        pm8001_printk("Unknown subsystem device=0x%.04x",
 822                                pm8001_ha->pdev->subsystem_device));
 823        }
 824}
 825
 826/**
 827 * pm8001_set_phy_settings_ven_117c_12Gb : Configure ATTO 12Gb PHY settings
 828 * @pm8001_ha : our adapter
 829 */
 830static
 831int pm8001_set_phy_settings_ven_117c_12G(struct pm8001_hba_info *pm8001_ha)
 832{
 833        struct pm8001_mpi3_phy_pg_trx_config phycfg_int;
 834        struct pm8001_mpi3_phy_pg_trx_config phycfg_ext;
 835        int phymask = 0;
 836        int i = 0;
 837
 838        memset(&phycfg_int, 0, sizeof(phycfg_int));
 839        memset(&phycfg_ext, 0, sizeof(phycfg_ext));
 840
 841        pm8001_get_internal_phy_settings(pm8001_ha, &phycfg_int);
 842        pm8001_get_external_phy_settings(pm8001_ha, &phycfg_ext);
 843        pm8001_get_phy_mask(pm8001_ha, &phymask);
 844
 845        for (i = 0; i < pm8001_ha->chip->n_phy; i++) {
 846                if (phymask & (1 << i)) {/* Internal PHY */
 847                        pm8001_set_phy_profile_single(pm8001_ha, i,
 848                                        sizeof(phycfg_int) / sizeof(u32),
 849                                        (u32 *)&phycfg_int);
 850
 851                } else { /* External PHY */
 852                        pm8001_set_phy_profile_single(pm8001_ha, i,
 853                                        sizeof(phycfg_ext) / sizeof(u32),
 854                                        (u32 *)&phycfg_ext);
 855                }
 856        }
 857
 858        return 0;
 859}
 860
 861/**
 862 * pm8001_configure_phy_settings : Configures PHY settings based on vendor ID.
 863 * @pm8001_ha : our hba.
 864 */
 865static int pm8001_configure_phy_settings(struct pm8001_hba_info *pm8001_ha)
 866{
 867        switch (pm8001_ha->pdev->subsystem_vendor) {
 868        case PCI_VENDOR_ID_ATTO:
 869                if (pm8001_ha->pdev->device == 0x0042) /* 6Gb */
 870                        return 0;
 871                else
 872                        return pm8001_set_phy_settings_ven_117c_12G(pm8001_ha);
 873
 874        case PCI_VENDOR_ID_ADAPTEC2:
 875        case 0:
 876                return 0;
 877
 878        default:
 879                return pm8001_get_phy_settings_info(pm8001_ha);
 880        }
 881}
 882
 883#ifdef PM8001_USE_MSIX
 884/**
 885 * pm8001_setup_msix - enable MSI-X interrupt
 886 * @chip_info: our ha struct.
 887 * @irq_handler: irq_handler
 888 */
 889static u32 pm8001_setup_msix(struct pm8001_hba_info *pm8001_ha)
 890{
 891        u32 i = 0, j = 0;
 892        u32 number_of_intr;
 893        int flag = 0;
 894        int rc;
 895        static char intr_drvname[PM8001_MAX_MSIX_VEC][sizeof(DRV_NAME)+3];
 896
 897        /* SPCv controllers supports 64 msi-x */
 898        if (pm8001_ha->chip_id == chip_8001) {
 899                number_of_intr = 1;
 900        } else {
 901                number_of_intr = PM8001_MAX_MSIX_VEC;
 902                flag &= ~IRQF_SHARED;
 903        }
 904
 905        rc = pci_alloc_irq_vectors(pm8001_ha->pdev, number_of_intr,
 906                        number_of_intr, PCI_IRQ_MSIX);
 907        if (rc < 0)
 908                return rc;
 909        pm8001_ha->number_of_intr = number_of_intr;
 910
 911        PM8001_INIT_DBG(pm8001_ha, pm8001_printk(
 912                "pci_alloc_irq_vectors request ret:%d no of intr %d\n",
 913                                rc, pm8001_ha->number_of_intr));
 914
 915        for (i = 0; i < number_of_intr; i++) {
 916                snprintf(intr_drvname[i], sizeof(intr_drvname[0]),
 917                                DRV_NAME"%d", i);
 918                pm8001_ha->irq_vector[i].irq_id = i;
 919                pm8001_ha->irq_vector[i].drv_inst = pm8001_ha;
 920
 921                rc = request_irq(pci_irq_vector(pm8001_ha->pdev, i),
 922                        pm8001_interrupt_handler_msix, flag,
 923                        intr_drvname[i], &(pm8001_ha->irq_vector[i]));
 924                if (rc) {
 925                        for (j = 0; j < i; j++) {
 926                                free_irq(pci_irq_vector(pm8001_ha->pdev, i),
 927                                        &(pm8001_ha->irq_vector[i]));
 928                        }
 929                        pci_free_irq_vectors(pm8001_ha->pdev);
 930                        break;
 931                }
 932        }
 933
 934        return rc;
 935}
 936#endif
 937
 938/**
 939 * pm8001_request_irq - register interrupt
 940 * @chip_info: our ha struct.
 941 */
 942static u32 pm8001_request_irq(struct pm8001_hba_info *pm8001_ha)
 943{
 944        struct pci_dev *pdev;
 945        int rc;
 946
 947        pdev = pm8001_ha->pdev;
 948
 949#ifdef PM8001_USE_MSIX
 950        if (pdev->msix_cap && pci_msi_enabled())
 951                return pm8001_setup_msix(pm8001_ha);
 952        else {
 953                PM8001_INIT_DBG(pm8001_ha,
 954                        pm8001_printk("MSIX not supported!!!\n"));
 955                goto intx;
 956        }
 957#endif
 958
 959intx:
 960        /* initialize the INT-X interrupt */
 961        pm8001_ha->irq_vector[0].irq_id = 0;
 962        pm8001_ha->irq_vector[0].drv_inst = pm8001_ha;
 963        rc = request_irq(pdev->irq, pm8001_interrupt_handler_intx, IRQF_SHARED,
 964                DRV_NAME, SHOST_TO_SAS_HA(pm8001_ha->shost));
 965        return rc;
 966}
 967
 968/**
 969 * pm8001_pci_probe - probe supported device
 970 * @pdev: pci device which kernel has been prepared for.
 971 * @ent: pci device id
 972 *
 973 * This function is the main initialization function, when register a new
 974 * pci driver it is invoked, all struct an hardware initilization should be done
 975 * here, also, register interrupt
 976 */
 977static int pm8001_pci_probe(struct pci_dev *pdev,
 978                            const struct pci_device_id *ent)
 979{
 980        unsigned int rc;
 981        u32     pci_reg;
 982        u8      i = 0;
 983        struct pm8001_hba_info *pm8001_ha;
 984        struct Scsi_Host *shost = NULL;
 985        const struct pm8001_chip_info *chip;
 986
 987        dev_printk(KERN_INFO, &pdev->dev,
 988                "pm80xx: driver version %s\n", DRV_VERSION);
 989        rc = pci_enable_device(pdev);
 990        if (rc)
 991                goto err_out_enable;
 992        pci_set_master(pdev);
 993        /*
 994         * Enable pci slot busmaster by setting pci command register.
 995         * This is required by FW for Cyclone card.
 996         */
 997
 998        pci_read_config_dword(pdev, PCI_COMMAND, &pci_reg);
 999        pci_reg |= 0x157;
1000        pci_write_config_dword(pdev, PCI_COMMAND, pci_reg);
1001        rc = pci_request_regions(pdev, DRV_NAME);
1002        if (rc)
1003                goto err_out_disable;
1004        rc = pci_go_44(pdev);
1005        if (rc)
1006                goto err_out_regions;
1007
1008        shost = scsi_host_alloc(&pm8001_sht, sizeof(void *));
1009        if (!shost) {
1010                rc = -ENOMEM;
1011                goto err_out_regions;
1012        }
1013        chip = &pm8001_chips[ent->driver_data];
1014        SHOST_TO_SAS_HA(shost) =
1015                kzalloc(sizeof(struct sas_ha_struct), GFP_KERNEL);
1016        if (!SHOST_TO_SAS_HA(shost)) {
1017                rc = -ENOMEM;
1018                goto err_out_free_host;
1019        }
1020
1021        rc = pm8001_prep_sas_ha_init(shost, chip);
1022        if (rc) {
1023                rc = -ENOMEM;
1024                goto err_out_free;
1025        }
1026        pci_set_drvdata(pdev, SHOST_TO_SAS_HA(shost));
1027        /* ent->driver variable is used to differentiate between controllers */
1028        pm8001_ha = pm8001_pci_alloc(pdev, ent, shost);
1029        if (!pm8001_ha) {
1030                rc = -ENOMEM;
1031                goto err_out_free;
1032        }
1033        list_add_tail(&pm8001_ha->list, &hba_list);
1034        PM8001_CHIP_DISP->chip_soft_rst(pm8001_ha);
1035        rc = PM8001_CHIP_DISP->chip_init(pm8001_ha);
1036        if (rc) {
1037                PM8001_FAIL_DBG(pm8001_ha, pm8001_printk(
1038                        "chip_init failed [ret: %d]\n", rc));
1039                goto err_out_ha_free;
1040        }
1041
1042        rc = scsi_add_host(shost, &pdev->dev);
1043        if (rc)
1044                goto err_out_ha_free;
1045        rc = pm8001_request_irq(pm8001_ha);
1046        if (rc) {
1047                PM8001_FAIL_DBG(pm8001_ha, pm8001_printk(
1048                        "pm8001_request_irq failed [ret: %d]\n", rc));
1049                goto err_out_shost;
1050        }
1051
1052        PM8001_CHIP_DISP->interrupt_enable(pm8001_ha, 0);
1053        if (pm8001_ha->chip_id != chip_8001) {
1054                for (i = 1; i < pm8001_ha->number_of_intr; i++)
1055                        PM8001_CHIP_DISP->interrupt_enable(pm8001_ha, i);
1056                /* setup thermal configuration. */
1057                pm80xx_set_thermal_config(pm8001_ha);
1058        }
1059
1060        pm8001_init_sas_add(pm8001_ha);
1061        /* phy setting support for motherboard controller */
1062        if (pm8001_configure_phy_settings(pm8001_ha))
1063                goto err_out_shost;
1064
1065        pm8001_post_sas_ha_init(shost, chip);
1066        rc = sas_register_ha(SHOST_TO_SAS_HA(shost));
1067        if (rc)
1068                goto err_out_shost;
1069        scsi_scan_host(pm8001_ha->shost);
1070        return 0;
1071
1072err_out_shost:
1073        scsi_remove_host(pm8001_ha->shost);
1074err_out_ha_free:
1075        pm8001_free(pm8001_ha);
1076err_out_free:
1077        kfree(SHOST_TO_SAS_HA(shost));
1078err_out_free_host:
1079        scsi_host_put(shost);
1080err_out_regions:
1081        pci_release_regions(pdev);
1082err_out_disable:
1083        pci_disable_device(pdev);
1084err_out_enable:
1085        return rc;
1086}
1087
1088static void pm8001_pci_remove(struct pci_dev *pdev)
1089{
1090        struct sas_ha_struct *sha = pci_get_drvdata(pdev);
1091        struct pm8001_hba_info *pm8001_ha;
1092        int i, j;
1093        pm8001_ha = sha->lldd_ha;
1094        sas_unregister_ha(sha);
1095        sas_remove_host(pm8001_ha->shost);
1096        list_del(&pm8001_ha->list);
1097        PM8001_CHIP_DISP->interrupt_disable(pm8001_ha, 0xFF);
1098        PM8001_CHIP_DISP->chip_soft_rst(pm8001_ha);
1099
1100#ifdef PM8001_USE_MSIX
1101        for (i = 0; i < pm8001_ha->number_of_intr; i++)
1102                synchronize_irq(pci_irq_vector(pdev, i));
1103        for (i = 0; i < pm8001_ha->number_of_intr; i++)
1104                free_irq(pci_irq_vector(pdev, i), &pm8001_ha->irq_vector[i]);
1105        pci_free_irq_vectors(pdev);
1106#else
1107        free_irq(pm8001_ha->irq, sha);
1108#endif
1109#ifdef PM8001_USE_TASKLET
1110        /* For non-msix and msix interrupts */
1111        if ((!pdev->msix_cap || !pci_msi_enabled()) ||
1112            (pm8001_ha->chip_id == chip_8001))
1113                tasklet_kill(&pm8001_ha->tasklet[0]);
1114        else
1115                for (j = 0; j < PM8001_MAX_MSIX_VEC; j++)
1116                        tasklet_kill(&pm8001_ha->tasklet[j]);
1117#endif
1118        scsi_host_put(pm8001_ha->shost);
1119        pm8001_free(pm8001_ha);
1120        kfree(sha->sas_phy);
1121        kfree(sha->sas_port);
1122        kfree(sha);
1123        pci_release_regions(pdev);
1124        pci_disable_device(pdev);
1125}
1126
1127/**
1128 * pm8001_pci_suspend - power management suspend main entry point
1129 * @pdev: PCI device struct
1130 * @state: PM state change to (usually PCI_D3)
1131 *
1132 * Returns 0 success, anything else error.
1133 */
1134static int pm8001_pci_suspend(struct pci_dev *pdev, pm_message_t state)
1135{
1136        struct sas_ha_struct *sha = pci_get_drvdata(pdev);
1137        struct pm8001_hba_info *pm8001_ha;
1138        int  i, j;
1139        u32 device_state;
1140        pm8001_ha = sha->lldd_ha;
1141        sas_suspend_ha(sha);
1142        flush_workqueue(pm8001_wq);
1143        scsi_block_requests(pm8001_ha->shost);
1144        if (!pdev->pm_cap) {
1145                dev_err(&pdev->dev, " PCI PM not supported\n");
1146                return -ENODEV;
1147        }
1148        PM8001_CHIP_DISP->interrupt_disable(pm8001_ha, 0xFF);
1149        PM8001_CHIP_DISP->chip_soft_rst(pm8001_ha);
1150#ifdef PM8001_USE_MSIX
1151        for (i = 0; i < pm8001_ha->number_of_intr; i++)
1152                synchronize_irq(pci_irq_vector(pdev, i));
1153        for (i = 0; i < pm8001_ha->number_of_intr; i++)
1154                free_irq(pci_irq_vector(pdev, i), &pm8001_ha->irq_vector[i]);
1155        pci_free_irq_vectors(pdev);
1156#else
1157        free_irq(pm8001_ha->irq, sha);
1158#endif
1159#ifdef PM8001_USE_TASKLET
1160        /* For non-msix and msix interrupts */
1161        if ((!pdev->msix_cap || !pci_msi_enabled()) ||
1162            (pm8001_ha->chip_id == chip_8001))
1163                tasklet_kill(&pm8001_ha->tasklet[0]);
1164        else
1165                for (j = 0; j < PM8001_MAX_MSIX_VEC; j++)
1166                        tasklet_kill(&pm8001_ha->tasklet[j]);
1167#endif
1168        device_state = pci_choose_state(pdev, state);
1169        pm8001_printk("pdev=0x%p, slot=%s, entering "
1170                      "operating state [D%d]\n", pdev,
1171                      pm8001_ha->name, device_state);
1172        pci_save_state(pdev);
1173        pci_disable_device(pdev);
1174        pci_set_power_state(pdev, device_state);
1175        return 0;
1176}
1177
1178/**
1179 * pm8001_pci_resume - power management resume main entry point
1180 * @pdev: PCI device struct
1181 *
1182 * Returns 0 success, anything else error.
1183 */
1184static int pm8001_pci_resume(struct pci_dev *pdev)
1185{
1186        struct sas_ha_struct *sha = pci_get_drvdata(pdev);
1187        struct pm8001_hba_info *pm8001_ha;
1188        int rc;
1189        u8 i = 0, j;
1190        u32 device_state;
1191        DECLARE_COMPLETION_ONSTACK(completion);
1192        pm8001_ha = sha->lldd_ha;
1193        device_state = pdev->current_state;
1194
1195        pm8001_printk("pdev=0x%p, slot=%s, resuming from previous "
1196                "operating state [D%d]\n", pdev, pm8001_ha->name, device_state);
1197
1198        pci_set_power_state(pdev, PCI_D0);
1199        pci_enable_wake(pdev, PCI_D0, 0);
1200        pci_restore_state(pdev);
1201        rc = pci_enable_device(pdev);
1202        if (rc) {
1203                pm8001_printk("slot=%s Enable device failed during resume\n",
1204                              pm8001_ha->name);
1205                goto err_out_enable;
1206        }
1207
1208        pci_set_master(pdev);
1209        rc = pci_go_44(pdev);
1210        if (rc)
1211                goto err_out_disable;
1212        sas_prep_resume_ha(sha);
1213        /* chip soft rst only for spc */
1214        if (pm8001_ha->chip_id == chip_8001) {
1215                PM8001_CHIP_DISP->chip_soft_rst(pm8001_ha);
1216                PM8001_INIT_DBG(pm8001_ha,
1217                        pm8001_printk("chip soft reset successful\n"));
1218        }
1219        rc = PM8001_CHIP_DISP->chip_init(pm8001_ha);
1220        if (rc)
1221                goto err_out_disable;
1222
1223        /* disable all the interrupt bits */
1224        PM8001_CHIP_DISP->interrupt_disable(pm8001_ha, 0xFF);
1225
1226        rc = pm8001_request_irq(pm8001_ha);
1227        if (rc)
1228                goto err_out_disable;
1229#ifdef PM8001_USE_TASKLET
1230        /*  Tasklet for non msi-x interrupt handler */
1231        if ((!pdev->msix_cap || !pci_msi_enabled()) ||
1232            (pm8001_ha->chip_id == chip_8001))
1233                tasklet_init(&pm8001_ha->tasklet[0], pm8001_tasklet,
1234                        (unsigned long)&(pm8001_ha->irq_vector[0]));
1235        else
1236                for (j = 0; j < PM8001_MAX_MSIX_VEC; j++)
1237                        tasklet_init(&pm8001_ha->tasklet[j], pm8001_tasklet,
1238                                (unsigned long)&(pm8001_ha->irq_vector[j]));
1239#endif
1240        PM8001_CHIP_DISP->interrupt_enable(pm8001_ha, 0);
1241        if (pm8001_ha->chip_id != chip_8001) {
1242                for (i = 1; i < pm8001_ha->number_of_intr; i++)
1243                        PM8001_CHIP_DISP->interrupt_enable(pm8001_ha, i);
1244        }
1245
1246        /* Chip documentation for the 8070 and 8072 SPCv    */
1247        /* states that a 500ms minimum delay is required    */
1248        /* before issuing commands. Otherwise, the firmware */
1249        /* will enter an unrecoverable state.               */
1250
1251        if (pm8001_ha->chip_id == chip_8070 ||
1252                pm8001_ha->chip_id == chip_8072) {
1253                mdelay(500);
1254        }
1255
1256        /* Spin up the PHYs */
1257
1258        pm8001_ha->flags = PM8001F_RUN_TIME;
1259        for (i = 0; i < pm8001_ha->chip->n_phy; i++) {
1260                pm8001_ha->phy[i].enable_completion = &completion;
1261                PM8001_CHIP_DISP->phy_start_req(pm8001_ha, i);
1262                wait_for_completion(&completion);
1263        }
1264        sas_resume_ha(sha);
1265        return 0;
1266
1267err_out_disable:
1268        scsi_remove_host(pm8001_ha->shost);
1269        pci_disable_device(pdev);
1270err_out_enable:
1271        return rc;
1272}
1273
1274/* update of pci device, vendor id and driver data with
1275 * unique value for each of the controller
1276 */
1277static struct pci_device_id pm8001_pci_table[] = {
1278        { PCI_VDEVICE(PMC_Sierra, 0x8001), chip_8001 },
1279        { PCI_VDEVICE(PMC_Sierra, 0x8006), chip_8006 },
1280        { PCI_VDEVICE(ADAPTEC2, 0x8006), chip_8006 },
1281        { PCI_VDEVICE(ATTO, 0x0042), chip_8001 },
1282        /* Support for SPC/SPCv/SPCve controllers */
1283        { PCI_VDEVICE(ADAPTEC2, 0x8001), chip_8001 },
1284        { PCI_VDEVICE(PMC_Sierra, 0x8008), chip_8008 },
1285        { PCI_VDEVICE(ADAPTEC2, 0x8008), chip_8008 },
1286        { PCI_VDEVICE(PMC_Sierra, 0x8018), chip_8018 },
1287        { PCI_VDEVICE(ADAPTEC2, 0x8018), chip_8018 },
1288        { PCI_VDEVICE(PMC_Sierra, 0x8009), chip_8009 },
1289        { PCI_VDEVICE(ADAPTEC2, 0x8009), chip_8009 },
1290        { PCI_VDEVICE(PMC_Sierra, 0x8019), chip_8019 },
1291        { PCI_VDEVICE(ADAPTEC2, 0x8019), chip_8019 },
1292        { PCI_VDEVICE(PMC_Sierra, 0x8074), chip_8074 },
1293        { PCI_VDEVICE(ADAPTEC2, 0x8074), chip_8074 },
1294        { PCI_VDEVICE(PMC_Sierra, 0x8076), chip_8076 },
1295        { PCI_VDEVICE(ADAPTEC2, 0x8076), chip_8076 },
1296        { PCI_VDEVICE(PMC_Sierra, 0x8077), chip_8077 },
1297        { PCI_VDEVICE(ADAPTEC2, 0x8077), chip_8077 },
1298        { PCI_VENDOR_ID_ADAPTEC2, 0x8081,
1299                PCI_VENDOR_ID_ADAPTEC2, 0x0400, 0, 0, chip_8001 },
1300        { PCI_VENDOR_ID_ADAPTEC2, 0x8081,
1301                PCI_VENDOR_ID_ADAPTEC2, 0x0800, 0, 0, chip_8001 },
1302        { PCI_VENDOR_ID_ADAPTEC2, 0x8088,
1303                PCI_VENDOR_ID_ADAPTEC2, 0x0008, 0, 0, chip_8008 },
1304        { PCI_VENDOR_ID_ADAPTEC2, 0x8088,
1305                PCI_VENDOR_ID_ADAPTEC2, 0x0800, 0, 0, chip_8008 },
1306        { PCI_VENDOR_ID_ADAPTEC2, 0x8089,
1307                PCI_VENDOR_ID_ADAPTEC2, 0x0008, 0, 0, chip_8009 },
1308        { PCI_VENDOR_ID_ADAPTEC2, 0x8089,
1309                PCI_VENDOR_ID_ADAPTEC2, 0x0800, 0, 0, chip_8009 },
1310        { PCI_VENDOR_ID_ADAPTEC2, 0x8088,
1311                PCI_VENDOR_ID_ADAPTEC2, 0x0016, 0, 0, chip_8018 },
1312        { PCI_VENDOR_ID_ADAPTEC2, 0x8088,
1313                PCI_VENDOR_ID_ADAPTEC2, 0x1600, 0, 0, chip_8018 },
1314        { PCI_VENDOR_ID_ADAPTEC2, 0x8089,
1315                PCI_VENDOR_ID_ADAPTEC2, 0x0016, 0, 0, chip_8019 },
1316        { PCI_VENDOR_ID_ADAPTEC2, 0x8089,
1317                PCI_VENDOR_ID_ADAPTEC2, 0x1600, 0, 0, chip_8019 },
1318        { PCI_VENDOR_ID_ADAPTEC2, 0x8074,
1319                PCI_VENDOR_ID_ADAPTEC2, 0x0800, 0, 0, chip_8074 },
1320        { PCI_VENDOR_ID_ADAPTEC2, 0x8076,
1321                PCI_VENDOR_ID_ADAPTEC2, 0x1600, 0, 0, chip_8076 },
1322        { PCI_VENDOR_ID_ADAPTEC2, 0x8077,
1323                PCI_VENDOR_ID_ADAPTEC2, 0x1600, 0, 0, chip_8077 },
1324        { PCI_VENDOR_ID_ADAPTEC2, 0x8074,
1325                PCI_VENDOR_ID_ADAPTEC2, 0x0008, 0, 0, chip_8074 },
1326        { PCI_VENDOR_ID_ADAPTEC2, 0x8076,
1327                PCI_VENDOR_ID_ADAPTEC2, 0x0016, 0, 0, chip_8076 },
1328        { PCI_VENDOR_ID_ADAPTEC2, 0x8077,
1329                PCI_VENDOR_ID_ADAPTEC2, 0x0016, 0, 0, chip_8077 },
1330        { PCI_VENDOR_ID_ADAPTEC2, 0x8076,
1331                PCI_VENDOR_ID_ADAPTEC2, 0x0808, 0, 0, chip_8076 },
1332        { PCI_VENDOR_ID_ADAPTEC2, 0x8077,
1333                PCI_VENDOR_ID_ADAPTEC2, 0x0808, 0, 0, chip_8077 },
1334        { PCI_VENDOR_ID_ADAPTEC2, 0x8074,
1335                PCI_VENDOR_ID_ADAPTEC2, 0x0404, 0, 0, chip_8074 },
1336        { PCI_VENDOR_ID_ATTO, 0x8070,
1337                PCI_VENDOR_ID_ATTO, 0x0070, 0, 0, chip_8070 },
1338        { PCI_VENDOR_ID_ATTO, 0x8070,
1339                PCI_VENDOR_ID_ATTO, 0x0071, 0, 0, chip_8070 },
1340        { PCI_VENDOR_ID_ATTO, 0x8072,
1341                PCI_VENDOR_ID_ATTO, 0x0072, 0, 0, chip_8072 },
1342        { PCI_VENDOR_ID_ATTO, 0x8072,
1343                PCI_VENDOR_ID_ATTO, 0x0073, 0, 0, chip_8072 },
1344        { PCI_VENDOR_ID_ATTO, 0x8070,
1345                PCI_VENDOR_ID_ATTO, 0x0080, 0, 0, chip_8070 },
1346        { PCI_VENDOR_ID_ATTO, 0x8072,
1347                PCI_VENDOR_ID_ATTO, 0x0081, 0, 0, chip_8072 },
1348        { PCI_VENDOR_ID_ATTO, 0x8072,
1349                PCI_VENDOR_ID_ATTO, 0x0082, 0, 0, chip_8072 },
1350        {} /* terminate list */
1351};
1352
1353static struct pci_driver pm8001_pci_driver = {
1354        .name           = DRV_NAME,
1355        .id_table       = pm8001_pci_table,
1356        .probe          = pm8001_pci_probe,
1357        .remove         = pm8001_pci_remove,
1358        .suspend        = pm8001_pci_suspend,
1359        .resume         = pm8001_pci_resume,
1360};
1361
1362/**
1363 *      pm8001_init - initialize scsi transport template
1364 */
1365static int __init pm8001_init(void)
1366{
1367        int rc = -ENOMEM;
1368
1369        pm8001_wq = alloc_workqueue("pm80xx", 0, 0);
1370        if (!pm8001_wq)
1371                goto err;
1372
1373        pm8001_id = 0;
1374        pm8001_stt = sas_domain_attach_transport(&pm8001_transport_ops);
1375        if (!pm8001_stt)
1376                goto err_wq;
1377        rc = pci_register_driver(&pm8001_pci_driver);
1378        if (rc)
1379                goto err_tp;
1380        return 0;
1381
1382err_tp:
1383        sas_release_transport(pm8001_stt);
1384err_wq:
1385        destroy_workqueue(pm8001_wq);
1386err:
1387        return rc;
1388}
1389
1390static void __exit pm8001_exit(void)
1391{
1392        pci_unregister_driver(&pm8001_pci_driver);
1393        sas_release_transport(pm8001_stt);
1394        destroy_workqueue(pm8001_wq);
1395}
1396
1397module_init(pm8001_init);
1398module_exit(pm8001_exit);
1399
1400MODULE_AUTHOR("Jack Wang <jack_wang@usish.com>");
1401MODULE_AUTHOR("Anand Kumar Santhanam <AnandKumar.Santhanam@pmcs.com>");
1402MODULE_AUTHOR("Sangeetha Gnanasekaran <Sangeetha.Gnanasekaran@pmcs.com>");
1403MODULE_AUTHOR("Nikith Ganigarakoppal <Nikith.Ganigarakoppal@pmcs.com>");
1404MODULE_DESCRIPTION(
1405                "PMC-Sierra PM8001/8006/8081/8088/8089/8074/8076/8077/8070/8072 "
1406                "SAS/SATA controller driver");
1407MODULE_VERSION(DRV_VERSION);
1408MODULE_LICENSE("GPL");
1409MODULE_DEVICE_TABLE(pci, pm8001_pci_table);
1410
1411