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