| /* |
| * This file is provided under a dual BSD/GPLv2 license. When using or |
| * redistributing this file, you may do so under either license. |
| * |
| * GPL LICENSE SUMMARY |
| * |
| * Copyright(c) 2008 - 2011 Intel Corporation. All rights reserved. |
| * |
| * This program is free software; you can redistribute it and/or modify |
| * it under the terms of version 2 of the GNU General Public License as |
| * published by the Free Software Foundation. |
| * |
| * This program is distributed in the hope that it will be useful, but |
| * WITHOUT ANY WARRANTY; without even the implied warranty of |
| * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
| * General Public License for more details. |
| * |
| * You should have received a copy of the GNU General Public License |
| * along with this program; if not, write to the Free Software |
| * Foundation, Inc., 51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA. |
| * The full GNU General Public License is included in this distribution |
| * in the file called LICENSE.GPL. |
| * |
| * BSD LICENSE |
| * |
| * Copyright(c) 2008 - 2011 Intel Corporation. All rights reserved. |
| * All rights reserved. |
| * |
| * Redistribution and use in source and binary forms, with or without |
| * modification, are permitted provided that the following conditions |
| * are met: |
| * |
| * * Redistributions of source code must retain the above copyright |
| * notice, this list of conditions and the following disclaimer. |
| * * Redistributions in binary form must reproduce the above copyright |
| * notice, this list of conditions and the following disclaimer in |
| * the documentation and/or other materials provided with the |
| * distribution. |
| * * Neither the name of Intel Corporation nor the names of its |
| * contributors may be used to endorse or promote products derived |
| * from this software without specific prior written permission. |
| * |
| * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
| * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT |
| * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR |
| * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT |
| * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
| * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT |
| * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
| * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
| * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
| * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
| * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| */ |
| |
| #include <linux/kernel.h> |
| #include <linux/init.h> |
| #include <linux/module.h> |
| #include <asm/string.h> |
| #include "isci.h" |
| #include "task.h" |
| #include "sci_controller_constants.h" |
| #include "scic_remote_device.h" |
| #include "sci_environment.h" |
| |
| static struct scsi_transport_template *isci_transport_template; |
| struct kmem_cache *isci_kmem_cache; |
| |
| static DEFINE_PCI_DEVICE_TABLE(isci_id_table) = { |
| { PCI_VDEVICE(INTEL, 0x1D61),}, |
| { PCI_VDEVICE(INTEL, 0x1D63),}, |
| { PCI_VDEVICE(INTEL, 0x1D65),}, |
| { PCI_VDEVICE(INTEL, 0x1D67),}, |
| { PCI_VDEVICE(INTEL, 0x1D69),}, |
| { PCI_VDEVICE(INTEL, 0x1D6B),}, |
| { PCI_VDEVICE(INTEL, 0x1D60),}, |
| { PCI_VDEVICE(INTEL, 0x1D62),}, |
| { PCI_VDEVICE(INTEL, 0x1D64),}, |
| { PCI_VDEVICE(INTEL, 0x1D66),}, |
| { PCI_VDEVICE(INTEL, 0x1D68),}, |
| { PCI_VDEVICE(INTEL, 0x1D6A),}, |
| {} |
| }; |
| |
| struct isci_firmware *isci_firmware; |
| |
| static int __devinit isci_pci_probe( |
| struct pci_dev *pdev, |
| const struct pci_device_id *device_id_p); |
| |
| static void __devexit isci_pci_remove(struct pci_dev *pdev); |
| |
| MODULE_DEVICE_TABLE(pci, isci_id_table); |
| |
| static struct pci_driver isci_pci_driver = { |
| .name = DRV_NAME, |
| .id_table = isci_id_table, |
| .probe = isci_pci_probe, |
| .remove = __devexit_p(isci_pci_remove), |
| }; |
| |
| /* linux isci specific settings */ |
| |
| #if defined(CONFIG_PBG_HBA_A0) |
| int isci_si_rev = ISCI_SI_REVA0; |
| #elif defined(CONFIG_PBG_HBA_A2) |
| int isci_si_rev = ISCI_SI_REVA2; |
| #else |
| int isci_si_rev = ISCI_SI_REVB0; |
| #endif |
| module_param(isci_si_rev, int, S_IRUGO | S_IWUSR); |
| MODULE_PARM_DESC(isci_si_rev, "override default si rev (0: A0 1: A2 2: B0)"); |
| |
| static struct scsi_host_template isci_sht = { |
| |
| .module = THIS_MODULE, |
| .name = DRV_NAME, |
| .proc_name = DRV_NAME, |
| .queuecommand = sas_queuecommand, |
| .target_alloc = sas_target_alloc, |
| .slave_configure = sas_slave_configure, |
| .slave_destroy = sas_slave_destroy, |
| .scan_finished = isci_host_scan_finished, |
| .scan_start = isci_host_scan_start, |
| .change_queue_depth = sas_change_queue_depth, |
| .change_queue_type = sas_change_queue_type, |
| .bios_param = sas_bios_param, |
| .can_queue = ISCI_CAN_QUEUE_VAL, |
| .cmd_per_lun = 1, |
| .this_id = -1, |
| .sg_tablesize = SG_ALL, |
| .max_sectors = SCSI_DEFAULT_MAX_SECTORS, |
| .use_clustering = ENABLE_CLUSTERING, |
| .eh_device_reset_handler = sas_eh_device_reset_handler, |
| .eh_bus_reset_handler = isci_bus_reset_handler, |
| .slave_alloc = sas_slave_alloc, |
| .target_destroy = sas_target_destroy, |
| .ioctl = sas_ioctl, |
| }; |
| |
| static struct sas_domain_function_template isci_transport_ops = { |
| |
| /* The class calls these to notify the LLDD of an event. */ |
| .lldd_port_formed = isci_port_formed, |
| .lldd_port_deformed = isci_port_deformed, |
| |
| /* The class calls these when a device is found or gone. */ |
| .lldd_dev_found = isci_remote_device_found, |
| .lldd_dev_gone = isci_remote_device_gone, |
| |
| .lldd_execute_task = isci_task_execute_task, |
| /* Task Management Functions. Must be called from process context. */ |
| .lldd_abort_task = isci_task_abort_task, |
| .lldd_abort_task_set = isci_task_abort_task_set, |
| .lldd_clear_aca = isci_task_clear_aca, |
| .lldd_clear_task_set = isci_task_clear_task_set, |
| .lldd_I_T_nexus_reset = isci_task_I_T_nexus_reset, |
| .lldd_lu_reset = isci_task_lu_reset, |
| .lldd_query_task = isci_task_query_task, |
| |
| /* Port and Adapter management */ |
| .lldd_clear_nexus_port = isci_task_clear_nexus_port, |
| .lldd_clear_nexus_ha = isci_task_clear_nexus_ha, |
| |
| /* Phy management */ |
| .lldd_control_phy = isci_phy_control, |
| }; |
| |
| |
| /****************************************************************************** |
| * P R O T E C T E D M E T H O D S |
| ******************************************************************************/ |
| |
| |
| |
| /** |
| * isci_register_sas_ha() - This method initializes various lldd |
| * specific members of the sas_ha struct and calls the libsas |
| * sas_register_ha() function. |
| * @isci_host: This parameter specifies the lldd specific wrapper for the |
| * libsas sas_ha struct. |
| * |
| * This method returns an error code indicating sucess or failure. The user |
| * should check for possible memory allocation error return otherwise, a zero |
| * indicates success. |
| */ |
| static int isci_register_sas_ha(struct isci_host *isci_host) |
| { |
| int i; |
| struct sas_ha_struct *sas_ha = &(isci_host->sas_ha); |
| struct asd_sas_phy **sas_phys; |
| struct asd_sas_port **sas_ports; |
| |
| sas_phys = devm_kzalloc(&isci_host->pdev->dev, |
| SCI_MAX_PHYS * sizeof(void *), |
| GFP_KERNEL); |
| if (!sas_phys) |
| return -ENOMEM; |
| |
| sas_ports = devm_kzalloc(&isci_host->pdev->dev, |
| SCI_MAX_PORTS * sizeof(void *), |
| GFP_KERNEL); |
| if (!sas_ports) |
| return -ENOMEM; |
| |
| /*----------------- Libsas Initialization Stuff---------------------- |
| * Set various fields in the sas_ha struct: |
| */ |
| |
| sas_ha->sas_ha_name = DRV_NAME; |
| sas_ha->lldd_module = THIS_MODULE; |
| sas_ha->sas_addr = &isci_host->phys[0].sas_addr[0]; |
| |
| /* set the array of phy and port structs. */ |
| for (i = 0; i < SCI_MAX_PHYS; i++) { |
| sas_phys[i] = &(isci_host->phys[i].sas_phy); |
| sas_ports[i] = &(isci_host->sas_ports[i]); |
| } |
| |
| sas_ha->sas_phy = sas_phys; |
| sas_ha->sas_port = sas_ports; |
| sas_ha->num_phys = SCI_MAX_PHYS; |
| |
| sas_ha->lldd_queue_size = ISCI_CAN_QUEUE_VAL; |
| sas_ha->lldd_max_execute_num = 1; |
| sas_ha->strict_wide_ports = 1; |
| |
| sas_register_ha(sas_ha); |
| |
| return 0; |
| } |
| |
| static void isci_unregister_sas_ha(struct isci_host *isci_host) |
| { |
| if (!isci_host) |
| return; |
| |
| sas_unregister_ha(&(isci_host->sas_ha)); |
| |
| sas_remove_host(isci_host->shost); |
| scsi_remove_host(isci_host->shost); |
| scsi_host_put(isci_host->shost); |
| } |
| |
| static int __devinit isci_pci_init(struct pci_dev *pdev) |
| { |
| int err, bar_num, bar_mask; |
| void __iomem * const *iomap; |
| |
| err = pcim_enable_device(pdev); |
| if (err) { |
| dev_err(&pdev->dev, |
| "failed enable PCI device %s!\n", |
| pci_name(pdev)); |
| return err; |
| } |
| |
| for (bar_num = 0; bar_num < SCI_PCI_BAR_COUNT; bar_num++) |
| bar_mask |= 1 << (bar_num * 2); |
| |
| err = pcim_iomap_regions(pdev, bar_mask, DRV_NAME); |
| if (err) |
| return err; |
| |
| iomap = pcim_iomap_table(pdev); |
| if (!iomap) |
| return -ENOMEM; |
| |
| pci_set_master(pdev); |
| |
| err = pci_set_dma_mask(pdev, DMA_BIT_MASK(64)); |
| if (err) { |
| err = pci_set_dma_mask(pdev, DMA_BIT_MASK(32)); |
| if (err) |
| return err; |
| } |
| |
| err = pci_set_consistent_dma_mask(pdev, DMA_BIT_MASK(64)); |
| if (err) { |
| err = pci_set_consistent_dma_mask(pdev, DMA_BIT_MASK(32)); |
| if (err) |
| return err; |
| } |
| |
| return 0; |
| } |
| |
| static struct isci_host *isci_host_by_id(struct pci_dev *pdev, int id) |
| { |
| struct isci_host *h; |
| |
| for_each_isci_host(h, pdev) |
| if (h->id == id) |
| return h; |
| return NULL; |
| } |
| |
| static int num_controllers(struct pci_dev *pdev) |
| { |
| /* bar size alone can tell us if we are running with a dual controller |
| * part, no need to trust revision ids that might be under broken firmware |
| * control |
| */ |
| resource_size_t scu_bar_size = pci_resource_len(pdev, SCI_SCU_BAR*2); |
| resource_size_t smu_bar_size = pci_resource_len(pdev, SCI_SMU_BAR*2); |
| |
| if (scu_bar_size >= SCI_SCU_BAR_SIZE*SCI_MAX_CONTROLLERS && |
| smu_bar_size >= SCI_SMU_BAR_SIZE*SCI_MAX_CONTROLLERS) |
| return SCI_MAX_CONTROLLERS; |
| else |
| return 1; |
| } |
| |
| static int isci_setup_interrupts(struct pci_dev *pdev) |
| { |
| int err, i, num_msix; |
| struct isci_pci_info *pci_info = to_pci_info(pdev); |
| |
| /* |
| * Determine the number of vectors associated with this |
| * PCI function. |
| */ |
| num_msix = num_controllers(pdev) * SCI_NUM_MSI_X_INT; |
| |
| for (i = 0; i < num_msix; i++) |
| pci_info->msix_entries[i].entry = i; |
| |
| err = pci_enable_msix(pdev, pci_info->msix_entries, num_msix); |
| if (err) |
| goto intx; |
| |
| for (i = 0; i < num_msix; i++) { |
| int id = i / SCI_NUM_MSI_X_INT; |
| struct msix_entry *msix = &pci_info->msix_entries[i]; |
| struct isci_host *isci_host = isci_host_by_id(pdev, id); |
| irq_handler_t isr; |
| |
| /* odd numbered vectors are error interrupts */ |
| if (i & 1) |
| isr = isci_error_isr; |
| else |
| isr = isci_msix_isr; |
| |
| BUG_ON(!isci_host); |
| |
| err = devm_request_irq(&pdev->dev, msix->vector, isr, 0, |
| DRV_NAME"-msix", isci_host); |
| if (!err) |
| continue; |
| |
| dev_info(&pdev->dev, "msix setup failed falling back to intx\n"); |
| while (i--) { |
| id = i / SCI_NUM_MSI_X_INT; |
| isci_host = isci_host_by_id(pdev, id); |
| msix = &pci_info->msix_entries[i]; |
| devm_free_irq(&pdev->dev, msix->vector, isci_host); |
| } |
| pci_disable_msix(pdev); |
| goto intx; |
| } |
| |
| return 0; |
| |
| intx: |
| err = devm_request_irq(&pdev->dev, pdev->irq, isci_intx_isr, |
| IRQF_SHARED, DRV_NAME"-intx", pdev); |
| |
| return err; |
| } |
| |
| /** |
| * isci_parse_oem_parameters() - This method will take OEM parameters |
| * from the module init parameters and copy them to oem_params. This will |
| * only copy values that are not set to the module parameter default values |
| * @oem_parameters: This parameter specifies the controller default OEM |
| * parameters. It is expected that this has been initialized to the default |
| * parameters for the controller |
| * |
| * |
| */ |
| enum sci_status isci_parse_oem_parameters(union scic_oem_parameters *oem_params, |
| int scu_index, |
| struct isci_firmware *fw) |
| { |
| int i; |
| |
| /* check for valid inputs */ |
| if (!(scu_index >= 0 |
| && scu_index < SCI_MAX_CONTROLLERS |
| && oem_params != NULL)) { |
| return SCI_FAILURE; |
| } |
| |
| for (i = 0; i < SCI_MAX_PHYS; i++) { |
| int array_idx = i + (SCI_MAX_PHYS * scu_index); |
| u64 sas_addr = fw->sas_addrs[array_idx]; |
| |
| if (sas_addr != 0) { |
| oem_params->sds1.phys[i].sas_address.low = |
| (u32)(sas_addr & 0xffffffff); |
| oem_params->sds1.phys[i].sas_address.high = |
| (u32)((sas_addr >> 32) & 0xffffffff); |
| } |
| } |
| |
| for (i = 0; i < SCI_MAX_PORTS; i++) { |
| int array_idx = i + (SCI_MAX_PORTS * scu_index); |
| u32 pmask = fw->phy_masks[array_idx]; |
| |
| oem_params->sds1.ports[i].phy_mask = pmask; |
| } |
| |
| return SCI_SUCCESS; |
| } |
| |
| /** |
| * isci_parse_user_parameters() - This method will take user parameters |
| * from the module init parameters and copy them to user_params. This will |
| * only copy values that are not set to the module parameter default values |
| * @user_parameters: This parameter specifies the controller default user |
| * parameters. It is expected that this has been initialized to the default |
| * parameters for the controller |
| * |
| * |
| */ |
| enum sci_status isci_parse_user_parameters( |
| union scic_user_parameters *user_params, |
| int scu_index, |
| struct isci_firmware *fw) |
| { |
| int i; |
| |
| if (!(scu_index >= 0 |
| && scu_index < SCI_MAX_CONTROLLERS |
| && user_params != NULL)) { |
| return SCI_FAILURE; |
| } |
| |
| for (i = 0; i < SCI_MAX_PORTS; i++) { |
| int array_idx = i + (SCI_MAX_PORTS * scu_index); |
| u32 gen = fw->phy_gens[array_idx]; |
| |
| user_params->sds1.phys[i].max_speed_generation = gen; |
| |
| } |
| |
| return SCI_SUCCESS; |
| } |
| |
| static struct isci_host *isci_host_alloc(struct pci_dev *pdev, int id) |
| { |
| struct isci_host *isci_host; |
| struct Scsi_Host *shost; |
| int err; |
| |
| isci_host = devm_kzalloc(&pdev->dev, sizeof(*isci_host), GFP_KERNEL); |
| if (!isci_host) |
| return NULL; |
| |
| isci_host->pdev = pdev; |
| isci_host->id = id; |
| |
| shost = scsi_host_alloc(&isci_sht, sizeof(void *)); |
| if (!shost) |
| return NULL; |
| isci_host->shost = shost; |
| |
| err = isci_host_init(isci_host); |
| if (err) |
| goto err_shost; |
| |
| SHOST_TO_SAS_HA(shost) = &isci_host->sas_ha; |
| isci_host->sas_ha.core.shost = shost; |
| shost->transportt = isci_transport_template; |
| |
| shost->max_id = ~0; |
| shost->max_lun = ~0; |
| shost->max_cmd_len = MAX_COMMAND_SIZE; |
| |
| err = scsi_add_host(shost, &pdev->dev); |
| if (err) |
| goto err_shost; |
| |
| err = isci_register_sas_ha(isci_host); |
| if (err) |
| goto err_shost_remove; |
| |
| return isci_host; |
| |
| err_shost_remove: |
| scsi_remove_host(shost); |
| err_shost: |
| scsi_host_put(shost); |
| |
| return NULL; |
| } |
| |
| static void check_si_rev(struct pci_dev *pdev) |
| { |
| if (num_controllers(pdev) > 1) |
| isci_si_rev = ISCI_SI_REVB0; |
| else { |
| switch (pdev->revision) { |
| case 0: |
| case 1: |
| /* if the id is ambiguous don't update isci_si_rev */ |
| break; |
| case 3: |
| isci_si_rev = ISCI_SI_REVA2; |
| break; |
| default: |
| case 4: |
| isci_si_rev = ISCI_SI_REVB0; |
| break; |
| } |
| } |
| |
| dev_info(&pdev->dev, "driver configured for %s silicon (rev: %d)\n", |
| isci_si_rev == ISCI_SI_REVA0 ? "A0" : |
| isci_si_rev == ISCI_SI_REVA2 ? "A2" : "B0", pdev->revision); |
| |
| } |
| |
| static int isci_verify_firmware(const struct firmware *fw, |
| struct isci_firmware *isci_fw) |
| { |
| const u8 *tmp; |
| |
| if (fw->size < ISCI_FIRMWARE_MIN_SIZE) |
| return -EINVAL; |
| |
| tmp = fw->data; |
| |
| /* 12th char should be the NULL terminate for the ID string */ |
| if (tmp[11] != '\0') |
| return -EINVAL; |
| |
| if (strncmp("#SCU MAGIC#", tmp, 11) != 0) |
| return -EINVAL; |
| |
| isci_fw->id = tmp; |
| isci_fw->version = fw->data[ISCI_FW_VER_OFS]; |
| isci_fw->subversion = fw->data[ISCI_FW_SUBVER_OFS]; |
| |
| tmp = fw->data + ISCI_FW_DATA_OFS; |
| |
| while (*tmp != ISCI_FW_HDR_EOF) { |
| switch (*tmp) { |
| case ISCI_FW_HDR_PHYMASK: |
| tmp++; |
| isci_fw->phy_masks_size = *tmp; |
| tmp++; |
| isci_fw->phy_masks = (const u32 *)tmp; |
| tmp += sizeof(u32) * isci_fw->phy_masks_size; |
| break; |
| |
| case ISCI_FW_HDR_PHYGEN: |
| tmp++; |
| isci_fw->phy_gens_size = *tmp; |
| tmp++; |
| isci_fw->phy_gens = (const u32 *)tmp; |
| tmp += sizeof(u32) * isci_fw->phy_gens_size; |
| break; |
| |
| case ISCI_FW_HDR_SASADDR: |
| tmp++; |
| isci_fw->sas_addrs_size = *tmp; |
| tmp++; |
| isci_fw->sas_addrs = (const u64 *)tmp; |
| tmp += sizeof(u64) * isci_fw->sas_addrs_size; |
| break; |
| |
| default: |
| pr_err("bad field in firmware binary blob\n"); |
| return -EINVAL; |
| } |
| } |
| |
| pr_info("isci firmware v%u.%u loaded.\n", |
| isci_fw->version, isci_fw->subversion); |
| |
| return SCI_SUCCESS; |
| } |
| |
| static int __devinit isci_pci_probe(struct pci_dev *pdev, const struct pci_device_id *id) |
| { |
| struct isci_pci_info *pci_info; |
| int err, i; |
| struct isci_host *isci_host; |
| const struct firmware *fw = NULL; |
| |
| check_si_rev(pdev); |
| |
| pci_info = devm_kzalloc(&pdev->dev, sizeof(*pci_info), GFP_KERNEL); |
| if (!pci_info) |
| return -ENOMEM; |
| pci_set_drvdata(pdev, pci_info); |
| |
| err = request_firmware(&fw, ISCI_FW_NAME, &pdev->dev); |
| if (err) { |
| dev_warn(&pdev->dev, |
| "Loading firmware failed, using default values\n"); |
| dev_warn(&pdev->dev, |
| "Default OEM configuration being used:" |
| " 4 narrow ports, and default SAS Addresses\n"); |
| } else { |
| isci_firmware = devm_kzalloc(&pdev->dev, |
| sizeof(struct isci_firmware), |
| GFP_KERNEL); |
| if (isci_firmware) { |
| err = isci_verify_firmware(fw, isci_firmware); |
| if (err != SCI_SUCCESS) { |
| dev_warn(&pdev->dev, |
| "firmware verification failed\n"); |
| dev_warn(&pdev->dev, |
| "Default OEM configuration being used:" |
| " 4 narrow ports, and default SAS " |
| "Addresses\n"); |
| devm_kfree(&pdev->dev, isci_firmware); |
| isci_firmware = NULL; |
| } |
| } |
| release_firmware(fw); |
| } |
| |
| err = isci_pci_init(pdev); |
| if (err) |
| return err; |
| |
| for (i = 0; i < num_controllers(pdev); i++) { |
| struct isci_host *h = isci_host_alloc(pdev, i); |
| |
| if (!h) { |
| err = -ENOMEM; |
| goto err_host_alloc; |
| } |
| |
| h->next = pci_info->hosts; |
| pci_info->hosts = h; |
| } |
| |
| err = isci_setup_interrupts(pdev); |
| if (err) |
| goto err_host_alloc; |
| |
| for_each_isci_host(isci_host, pdev) |
| scsi_scan_host(isci_host->shost); |
| |
| return 0; |
| |
| err_host_alloc: |
| for_each_isci_host(isci_host, pdev) |
| isci_unregister_sas_ha(isci_host); |
| return err; |
| } |
| |
| static void __devexit isci_pci_remove(struct pci_dev *pdev) |
| { |
| struct isci_host *isci_host; |
| |
| for_each_isci_host(isci_host, pdev) { |
| isci_unregister_sas_ha(isci_host); |
| isci_host_deinit(isci_host); |
| scic_controller_disable_interrupts(isci_host->core_controller); |
| } |
| } |
| |
| static __init int isci_init(void) |
| { |
| int err = -ENOMEM; |
| |
| pr_info("%s: Intel(R) C600 SAS Controller Driver\n", DRV_NAME); |
| |
| isci_kmem_cache = kmem_cache_create(DRV_NAME, |
| sizeof(struct isci_remote_device) + |
| scic_remote_device_get_object_size(), |
| 0, 0, NULL); |
| if (!isci_kmem_cache) |
| return err; |
| |
| isci_transport_template = sas_domain_attach_transport(&isci_transport_ops); |
| if (!isci_transport_template) |
| goto err_kmem; |
| |
| err = pci_register_driver(&isci_pci_driver); |
| if (err) |
| goto err_sas; |
| |
| return 0; |
| |
| err_sas: |
| sas_release_transport(isci_transport_template); |
| err_kmem: |
| kmem_cache_destroy(isci_kmem_cache); |
| |
| return err; |
| } |
| |
| static __exit void isci_exit(void) |
| { |
| pci_unregister_driver(&isci_pci_driver); |
| sas_release_transport(isci_transport_template); |
| kmem_cache_destroy(isci_kmem_cache); |
| } |
| |
| MODULE_LICENSE("Dual BSD/GPL"); |
| MODULE_FIRMWARE(ISCI_FW_NAME); |
| module_init(isci_init); |
| module_exit(isci_exit); |