drivers/scsi/isci/init.c

   1 /*
   2  * This file is provided under a dual BSD/GPLv2 license.  When using or
   3  * redistributing this file, you may do so under either license.
   4  *
   5  * GPL LICENSE SUMMARY
   6  *
   7  * Copyright(c) 2008 - 2011 Intel Corporation. All rights reserved.
   8  *
   9  * This program is free software; you can redistribute it and/or modify
  10  * it under the terms of version 2 of the GNU General Public License as
  11  * published by the Free Software Foundation.
  12  *
  13  * This program is distributed in the hope that it will be useful, but
  14  * WITHOUT ANY WARRANTY; without even the implied warranty of
  15  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  16  * General Public License for more details.
  17  *
  18  * You should have received a copy of the GNU General Public License
  19  * along with this program; if not, write to the Free Software
  20  * Foundation, Inc., 51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA.
  21  * The full GNU General Public License is included in this distribution
  22  * in the file called LICENSE.GPL.
  23  *
  24  * BSD LICENSE
  25  *
  26  * Copyright(c) 2008 - 2011 Intel Corporation. All rights reserved.
  27  * All rights reserved.
  28  *
  29  * Redistribution and use in source and binary forms, with or without
  30  * modification, are permitted provided that the following conditions
  31  * are met:
  32  *
  33  *   * Redistributions of source code must retain the above copyright
  34  *     notice, this list of conditions and the following disclaimer.
  35  *   * Redistributions in binary form must reproduce the above copyright
  36  *     notice, this list of conditions and the following disclaimer in
  37  *     the documentation and/or other materials provided with the
  38  *     distribution.
  39  *   * Neither the name of Intel Corporation nor the names of its
  40  *     contributors may be used to endorse or promote products derived
  41  *     from this software without specific prior written permission.
  42  *
  43  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
  44  * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
  45  * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
  46  * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
  47  * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
  48  * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
  49  * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
  50  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
  51  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  52  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
  53  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  54  */
  55
  56 #include <linux/kernel.h>
  57 #include <linux/init.h>
  58 #include <linux/module.h>
  59 #include <linux/firmware.h>
  60 #include <linux/efi.h>
  61 #include <asm/string.h>
  62 #include "isci.h"
  63 #include "task.h"
  64 #include "sci_controller_constants.h"
  65 #include "scic_remote_device.h"
  66 #include "sci_environment.h"
  67 #include "probe_roms.h"
  68
  69 static struct scsi_transport_template *isci_transport_template;
  70
  71 static DEFINE_PCI_DEVICE_TABLE(isci_id_table) = {
  72         { PCI_VDEVICE(INTEL, 0x1D61),},
  73         { PCI_VDEVICE(INTEL, 0x1D63),},
  74         { PCI_VDEVICE(INTEL, 0x1D65),},
  75         { PCI_VDEVICE(INTEL, 0x1D67),},
  76         { PCI_VDEVICE(INTEL, 0x1D69),},
  77         { PCI_VDEVICE(INTEL, 0x1D6B),},
  78         { PCI_VDEVICE(INTEL, 0x1D60),},
  79         { PCI_VDEVICE(INTEL, 0x1D62),},
  80         { PCI_VDEVICE(INTEL, 0x1D64),},
  81         { PCI_VDEVICE(INTEL, 0x1D66),},
  82         { PCI_VDEVICE(INTEL, 0x1D68),},
  83         { PCI_VDEVICE(INTEL, 0x1D6A),},
  84         {}
  85 };
  86
  87 struct isci_firmware *isci_firmware;
  88
  89 static int __devinit isci_pci_probe(
  90         struct pci_dev *pdev,
  91         const struct pci_device_id *device_id_p);
  92
  93 static void __devexit isci_pci_remove(struct pci_dev *pdev);
  94
  95 MODULE_DEVICE_TABLE(pci, isci_id_table);
  96
  97 static struct pci_driver isci_pci_driver = {
  98         .name           = DRV_NAME,
  99         .id_table       = isci_id_table,
 100         .probe          = isci_pci_probe,
 101         .remove         = __devexit_p(isci_pci_remove),
 102 };
 103
 104 /* linux isci specific settings */
 105
 106 #if defined(CONFIG_PBG_HBA_A0)
 107 int isci_si_rev = ISCI_SI_REVA0;
 108 #elif defined(CONFIG_PBG_HBA_A2)
 109 int isci_si_rev = ISCI_SI_REVA2;
 110 #else
 111 int isci_si_rev = ISCI_SI_REVB0;
 112 #endif
 113 module_param(isci_si_rev, int, 0);
 114 MODULE_PARM_DESC(isci_si_rev, "override default si rev (0: A0 1: A2 2: B0)");
 115
 116 unsigned char no_outbound_task_to = 20;
 117 module_param(no_outbound_task_to, byte, 0);
 118 MODULE_PARM_DESC(no_outbound_task_to, "No Outbound Task Timeout (1us incr)");
 119
 120 u16 ssp_max_occ_to = 20;
 121 module_param(ssp_max_occ_to, ushort, 0);
 122 MODULE_PARM_DESC(ssp_max_occ_to, "SSP Max occupancy timeout (100us incr)");
 123
 124 u16 stp_max_occ_to = 5;
 125 module_param(stp_max_occ_to, ushort, 0);
 126 MODULE_PARM_DESC(stp_max_occ_to, "STP Max occupancy timeout (100us incr)");
 127
 128 u16 ssp_inactive_to = 5;
 129 module_param(ssp_inactive_to, ushort, 0);
 130 MODULE_PARM_DESC(ssp_inactive_to, "SSP inactivity timeout (100us incr)");
 131
 132 u16 stp_inactive_to = 5;
 133 module_param(stp_inactive_to, ushort, 0);
 134 MODULE_PARM_DESC(stp_inactive_to, "STP inactivity timeout (100us incr)");
 135
 136 unsigned char phy_gen = 3;
 137 module_param(phy_gen, byte, 0);
 138 MODULE_PARM_DESC(phy_gen, "PHY generation (1: 1.5Gbps 2: 3.0Gbps 3: 6.0Gbps)");
 139
 140 unsigned char max_concurr_spinup = 1;
 141 module_param(max_concurr_spinup, byte, 0);
 142 MODULE_PARM_DESC(max_concurr_spinup, "Max concurrent device spinup");
 143
 144 static struct scsi_host_template isci_sht = {
 145
 146         .module                         = THIS_MODULE,
 147         .name                           = DRV_NAME,
 148         .proc_name                      = DRV_NAME,
 149         .queuecommand                   = sas_queuecommand,
 150         .target_alloc                   = sas_target_alloc,
 151         .slave_configure                = sas_slave_configure,
 152         .slave_destroy                  = sas_slave_destroy,
 153         .scan_finished                  = isci_host_scan_finished,
 154         .scan_start                     = isci_host_scan_start,
 155         .change_queue_depth             = sas_change_queue_depth,
 156         .change_queue_type              = sas_change_queue_type,
 157         .bios_param                     = sas_bios_param,
 158         .can_queue                      = ISCI_CAN_QUEUE_VAL,
 159         .cmd_per_lun                    = 1,
 160         .this_id                        = -1,
 161         .sg_tablesize                   = SG_ALL,
 162         .max_sectors                    = SCSI_DEFAULT_MAX_SECTORS,
 163         .use_clustering                 = ENABLE_CLUSTERING,
 164         .eh_device_reset_handler        = sas_eh_device_reset_handler,
 165         .eh_bus_reset_handler           = isci_bus_reset_handler,
 166         .slave_alloc                    = sas_slave_alloc,
 167         .target_destroy                 = sas_target_destroy,
 168         .ioctl                          = sas_ioctl,
 169 };
 170
 171 static struct sas_domain_function_template isci_transport_ops  = {
 172
 173         /* The class calls these to notify the LLDD of an event. */
 174         .lldd_port_formed       = isci_port_formed,
 175         .lldd_port_deformed     = isci_port_deformed,
 176
 177         /* The class calls these when a device is found or gone. */
 178         .lldd_dev_found         = isci_remote_device_found,
 179         .lldd_dev_gone          = isci_remote_device_gone,
 180
 181         .lldd_execute_task      = isci_task_execute_task,
 182         /* Task Management Functions. Must be called from process context. */
 183         .lldd_abort_task        = isci_task_abort_task,
 184         .lldd_abort_task_set    = isci_task_abort_task_set,
 185         .lldd_clear_aca         = isci_task_clear_aca,
 186         .lldd_clear_task_set    = isci_task_clear_task_set,
 187         .lldd_I_T_nexus_reset   = isci_task_I_T_nexus_reset,
 188         .lldd_lu_reset          = isci_task_lu_reset,
 189         .lldd_query_task        = isci_task_query_task,
 190
 191         /* Port and Adapter management */
 192         .lldd_clear_nexus_port  = isci_task_clear_nexus_port,
 193         .lldd_clear_nexus_ha    = isci_task_clear_nexus_ha,
 194
 195         /* Phy management */
 196         .lldd_control_phy       = isci_phy_control,
 197 };
 198
 199
 200 /******************************************************************************
 201 * P R O T E C T E D  M E T H O D S
 202 ******************************************************************************/
 203
 204
 205
 206 /**
 207  * isci_register_sas_ha() - This method initializes various lldd
 208  *    specific members of the sas_ha struct and calls the libsas
 209  *    sas_register_ha() function.
 210  * @isci_host: This parameter specifies the lldd specific wrapper for the
 211  *    libsas sas_ha struct.
 212  *
 213  * This method returns an error code indicating sucess or failure. The user
 214  * should check for possible memory allocation error return otherwise, a zero
 215  * indicates success.
 216  */
 217 static int isci_register_sas_ha(struct isci_host *isci_host)
 218 {
 219         int i;
 220         struct sas_ha_struct *sas_ha = &(isci_host->sas_ha);
 221         struct asd_sas_phy **sas_phys;
 222         struct asd_sas_port **sas_ports;
 223
 224         sas_phys = devm_kzalloc(&isci_host->pdev->dev,
 225                                 SCI_MAX_PHYS * sizeof(void *),
 226                                 GFP_KERNEL);
 227         if (!sas_phys)
 228                 return -ENOMEM;
 229
 230         sas_ports = devm_kzalloc(&isci_host->pdev->dev,
 231                                  SCI_MAX_PORTS * sizeof(void *),
 232                                  GFP_KERNEL);
 233         if (!sas_ports)
 234                 return -ENOMEM;
 235
 236         /*----------------- Libsas Initialization Stuff----------------------
 237          * Set various fields in the sas_ha struct:
 238          */
 239
 240         sas_ha->sas_ha_name = DRV_NAME;
 241         sas_ha->lldd_module = THIS_MODULE;
 242         sas_ha->sas_addr    = &isci_host->phys[0].sas_addr[0];
 243
 244         /* set the array of phy and port structs.  */
 245         for (i = 0; i < SCI_MAX_PHYS; i++) {
 246                 sas_phys[i] = &(isci_host->phys[i].sas_phy);
 247                 sas_ports[i] = &(isci_host->sas_ports[i]);
 248         }
 249
 250         sas_ha->sas_phy  = sas_phys;
 251         sas_ha->sas_port = sas_ports;
 252         sas_ha->num_phys = SCI_MAX_PHYS;
 253
 254         sas_ha->lldd_queue_size = ISCI_CAN_QUEUE_VAL;
 255         sas_ha->lldd_max_execute_num = 1;
 256         sas_ha->strict_wide_ports = 1;
 257
 258         sas_register_ha(sas_ha);
 259
 260         return 0;
 261 }
 262
 263 static ssize_t isci_show_id(struct device *dev, struct device_attribute *attr, char *buf)
 264 {
 265         struct Scsi_Host *shost = container_of(dev, typeof(*shost), shost_dev);
 266         struct sas_ha_struct *sas_ha = SHOST_TO_SAS_HA(shost);
 267         struct isci_host *ihost = container_of(sas_ha, typeof(*ihost), sas_ha);
 268
 269         return snprintf(buf, PAGE_SIZE, "%d\n", ihost->id);
 270 }
 271
 272 static DEVICE_ATTR(isci_id, S_IRUGO, isci_show_id, NULL);
 273
 274 static void isci_unregister(struct isci_host *isci_host)
 275 {
 276         struct Scsi_Host *shost;
 277
 278         if (!isci_host)
 279                 return;
 280
 281         shost = isci_host->shost;
 282         device_remove_file(&shost->shost_dev, &dev_attr_isci_id);
 283
 284         sas_unregister_ha(&isci_host->sas_ha);
 285
 286         sas_remove_host(isci_host->shost);
 287         scsi_remove_host(isci_host->shost);
 288         scsi_host_put(isci_host->shost);
 289 }
 290
 291 static int __devinit isci_pci_init(struct pci_dev *pdev)
 292 {
 293         int err, bar_num, bar_mask;
 294         void __iomem * const *iomap;
 295
 296         err = pcim_enable_device(pdev);
 297         if (err) {
 298                 dev_err(&pdev->dev,
 299                         "failed enable PCI device %s!\n",
 300                         pci_name(pdev));
 301                 return err;
 302         }
 303
 304         for (bar_num = 0; bar_num < SCI_PCI_BAR_COUNT; bar_num++)
 305                 bar_mask |= 1 << (bar_num * 2);
 306
 307         err = pcim_iomap_regions(pdev, bar_mask, DRV_NAME);
 308         if (err)
 309                 return err;
 310
 311         iomap = pcim_iomap_table(pdev);
 312         if (!iomap)
 313                 return -ENOMEM;
 314
 315         pci_set_master(pdev);
 316
 317         err = pci_set_dma_mask(pdev, DMA_BIT_MASK(64));
 318         if (err) {
 319                 err = pci_set_dma_mask(pdev, DMA_BIT_MASK(32));
 320                 if (err)
 321                         return err;
 322         }
 323
 324         err = pci_set_consistent_dma_mask(pdev, DMA_BIT_MASK(64));
 325         if (err) {
 326                 err = pci_set_consistent_dma_mask(pdev, DMA_BIT_MASK(32));
 327                 if (err)
 328                         return err;
 329         }
 330
 331         return 0;
 332 }
 333
 334 static int num_controllers(struct pci_dev *pdev)
 335 {
 336         /* bar size alone can tell us if we are running with a dual controller
 337          * part, no need to trust revision ids that might be under broken firmware
 338          * control
 339          */
 340         resource_size_t scu_bar_size = pci_resource_len(pdev, SCI_SCU_BAR*2);
 341         resource_size_t smu_bar_size = pci_resource_len(pdev, SCI_SMU_BAR*2);
 342
 343         if (scu_bar_size >= SCI_SCU_BAR_SIZE*SCI_MAX_CONTROLLERS &&
 344             smu_bar_size >= SCI_SMU_BAR_SIZE*SCI_MAX_CONTROLLERS)
 345                 return SCI_MAX_CONTROLLERS;
 346         else
 347                 return 1;
 348 }
 349
 350 static int isci_setup_interrupts(struct pci_dev *pdev)
 351 {
 352         int err, i, num_msix;
 353         struct isci_pci_info *pci_info = to_pci_info(pdev);
 354
 355         /*
 356          *  Determine the number of vectors associated with this
 357          *  PCI function.
 358          */
 359         num_msix = num_controllers(pdev) * SCI_NUM_MSI_X_INT;
 360
 361         for (i = 0; i < num_msix; i++)
 362                 pci_info->msix_entries[i].entry = i;
 363
 364         err = pci_enable_msix(pdev, pci_info->msix_entries, num_msix);
 365         if (err)
 366                 goto intx;
 367
 368         for (i = 0; i < num_msix; i++) {
 369                 int id = i / SCI_NUM_MSI_X_INT;
 370                 struct msix_entry *msix = &pci_info->msix_entries[i];
 371                 struct isci_host *isci_host = pci_info->hosts[id];
 372                 irq_handler_t isr;
 373
 374                 /* odd numbered vectors are error interrupts */
 375                 if (i & 1)
 376                         isr = isci_error_isr;
 377                 else
 378                         isr = isci_msix_isr;
 379
 380                 BUG_ON(!isci_host);
 381
 382                 err = devm_request_irq(&pdev->dev, msix->vector, isr, 0,
 383                                        DRV_NAME"-msix", isci_host);
 384                 if (!err)
 385                         continue;
 386
 387                 dev_info(&pdev->dev, "msix setup failed falling back to intx\n");
 388                 while (i--) {
 389                         id = i / SCI_NUM_MSI_X_INT;
 390                         isci_host = pci_info->hosts[id];
 391                         msix = &pci_info->msix_entries[i];
 392                         devm_free_irq(&pdev->dev, msix->vector, isci_host);
 393                 }
 394                 pci_disable_msix(pdev);
 395                 goto intx;
 396         }
 397
 398         return 0;
 399
 400  intx:
 401         err = devm_request_irq(&pdev->dev, pdev->irq, isci_intx_isr,
 402                                IRQF_SHARED, DRV_NAME"-intx", pdev);
 403
 404         return err;
 405 }
 406
 407 static struct isci_host *isci_host_alloc(struct pci_dev *pdev, int id)
 408 {
 409         struct isci_host *isci_host;
 410         struct Scsi_Host *shost;
 411         int err;
 412
 413         isci_host = devm_kzalloc(&pdev->dev, sizeof(*isci_host) +
 414                                  SCI_MAX_REMOTE_DEVICES *
 415                                  (sizeof(struct isci_remote_device) +
 416                                   scic_remote_device_get_object_size()), GFP_KERNEL);
 417         if (!isci_host)
 418                 return NULL;
 419
 420         isci_host->pdev = pdev;
 421         isci_host->id = id;
 422
 423         shost = scsi_host_alloc(&isci_sht, sizeof(void *));
 424         if (!shost)
 425                 return NULL;
 426         isci_host->shost = shost;
 427
 428         err = isci_host_init(isci_host);
 429         if (err)
 430                 goto err_shost;
 431
 432         SHOST_TO_SAS_HA(shost) = &isci_host->sas_ha;
 433         isci_host->sas_ha.core.shost = shost;
 434         shost->transportt = isci_transport_template;
 435
 436         shost->max_id = ~0;
 437         shost->max_lun = ~0;
 438         shost->max_cmd_len = MAX_COMMAND_SIZE;
 439
 440         err = scsi_add_host(shost, &pdev->dev);
 441         if (err)
 442                 goto err_shost;
 443
 444         err = isci_register_sas_ha(isci_host);
 445         if (err)
 446                 goto err_shost_remove;
 447
 448         err = device_create_file(&shost->shost_dev, &dev_attr_isci_id);
 449         if (err)
 450                 goto err_unregister_ha;
 451
 452         return isci_host;
 453
 454  err_unregister_ha:
 455         sas_unregister_ha(&(isci_host->sas_ha));
 456  err_shost_remove:
 457         scsi_remove_host(shost);
 458  err_shost:
 459         scsi_host_put(shost);
 460
 461         return NULL;
 462 }
 463
 464 static void check_si_rev(struct pci_dev *pdev)
 465 {
 466         if (num_controllers(pdev) > 1)
 467                 isci_si_rev = ISCI_SI_REVB0;
 468         else {
 469                 switch (pdev->revision) {
 470                 case 0:
 471                 case 1:
 472                         /* if the id is ambiguous don't update isci_si_rev */
 473                         break;
 474                 case 3:
 475                         isci_si_rev = ISCI_SI_REVA2;
 476                         break;
 477                 default:
 478                 case 4:
 479                         isci_si_rev = ISCI_SI_REVB0;
 480                         break;
 481                 }
 482         }
 483
 484         dev_info(&pdev->dev, "driver configured for %s silicon (rev: %d)\n",
 485                  isci_si_rev == ISCI_SI_REVA0 ? "A0" :
 486                  isci_si_rev == ISCI_SI_REVA2 ? "A2" : "B0", pdev->revision);
 487
 488 }
 489
 490 static int __devinit isci_pci_probe(struct pci_dev *pdev, const struct pci_device_id *id)
 491 {
 492         struct isci_pci_info *pci_info;
 493         int err, i;
 494         struct isci_host *isci_host;
 495         const struct firmware *fw = NULL;
 496         struct isci_orom *orom;
 497         char *source = "(platform)";
 498
 499         check_si_rev(pdev);
 500
 501         pci_info = devm_kzalloc(&pdev->dev, sizeof(*pci_info), GFP_KERNEL);
 502         if (!pci_info)
 503                 return -ENOMEM;
 504         pci_set_drvdata(pdev, pci_info);
 505
 506         if (efi_enabled)
 507                 orom = isci_get_efi_var(pdev);
 508         else
 509                 orom = isci_request_oprom(pdev);
 510
 511         if (!orom) {
 512                 source = "(firmware)";
 513                 orom = isci_request_firmware(pdev, fw);
 514                 if (!orom) {
 515                         /* TODO convert this to WARN_TAINT_ONCE once the
 516                          * orom/efi parameter support is widely available
 517                          */
 518                         dev_warn(&pdev->dev,
 519                                  "Loading user firmware failed, using default "
 520                                  "values\n");
 521                         dev_warn(&pdev->dev,
 522                                  "Default OEM configuration being used: 4 "
 523                                  "narrow ports, and default SAS Addresses\n");
 524                 }
 525         }
 526
 527         if (orom)
 528                 dev_info(&pdev->dev,
 529                          "OEM SAS parameters (version: %u.%u) loaded %s\n",
 530                          (orom->hdr.version & 0xf0) >> 4,
 531                          (orom->hdr.version & 0xf), source);
 532
 533         pci_info->orom = orom;
 534
 535         err = isci_pci_init(pdev);
 536         if (err)
 537                 return err;
 538
 539         for (i = 0; i < num_controllers(pdev); i++) {
 540                 struct isci_host *h = isci_host_alloc(pdev, i);
 541
 542                 if (!h) {
 543                         err = -ENOMEM;
 544                         goto err_host_alloc;
 545                 }
 546                 pci_info->hosts[i] = h;
 547         }
 548
 549         err = isci_setup_interrupts(pdev);
 550         if (err)
 551                 goto err_host_alloc;
 552
 553         for_each_isci_host(i, isci_host, pdev)
 554                 scsi_scan_host(isci_host->shost);
 555
 556         return 0;
 557
 558  err_host_alloc:
 559         for_each_isci_host(i, isci_host, pdev)
 560                 isci_unregister(isci_host);
 561         return err;
 562 }
 563
 564 static void __devexit isci_pci_remove(struct pci_dev *pdev)
 565 {
 566         struct isci_host *isci_host;
 567         int i;
 568
 569         for_each_isci_host(i, isci_host, pdev) {
 570                 isci_unregister(isci_host);
 571                 isci_host_deinit(isci_host);
 572                 scic_controller_disable_interrupts(isci_host->core_controller);
 573         }
 574 }
 575
 576 static __init int isci_init(void)
 577 {
 578         int err;
 579
 580         pr_info("%s: Intel(R) C600 SAS Controller Driver\n", DRV_NAME);
 581
 582         isci_transport_template = sas_domain_attach_transport(&isci_transport_ops);
 583         if (!isci_transport_template)
 584                 return -ENOMEM;
 585
 586         err = pci_register_driver(&isci_pci_driver);
 587         if (err)
 588                 sas_release_transport(isci_transport_template);
 589
 590         return err;
 591 }
 592
 593 static __exit void isci_exit(void)
 594 {
 595         pci_unregister_driver(&isci_pci_driver);
 596         sas_release_transport(isci_transport_template);
 597 }
 598
 599 MODULE_LICENSE("Dual BSD/GPL");
 600 MODULE_FIRMWARE(ISCI_FW_NAME);
 601 module_init(isci_init);
 602 module_exit(isci_exit);