linux-imx

/*

 * PMC-Sierra 8001/8081/8088/8089 SAS/SATA based host adapters driver

 *

 * Copyright (c) 2008-2009 USI Co., Ltd.

 * All rights reserved.

 *

 * Redistribution and use in source and binary forms, with or without

 * modification, are permitted provided that the following conditions

 * are met:

 * 1. Redistributions of source code must retain the above copyright

 *    notice, this list of conditions, and the following disclaimer,

 *    without modification.

 * 2. Redistributions in binary form must reproduce at minimum a disclaimer

 *    substantially similar to the "NO WARRANTY" disclaimer below

 *    ("Disclaimer") and any redistribution must be conditioned upon

 *    including a substantially similar Disclaimer requirement for further

 *    binary redistribution.

 * 3. Neither the names of the above-listed copyright holders nor the names

 *    of any contributors may be used to endorse or promote products derived

 *    from this software without specific prior written permission.

 *

 * Alternatively, this software may be distributed under the terms of the

 * GNU General Public License ("GPL") version 2 as published by the Free

 * Software Foundation.

 *

 * NO WARRANTY

 * 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 MERCHANTIBILITY AND FITNESS FOR

 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT

 * HOLDERS OR CONTRIBUTORS BE LIABLE FOR 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 DAMAGES.

 *

 */

#include <linux/firmware.h>

#include <linux/slab.h>

#include "pm8001_sas.h"

#include "pm8001_ctl.h"

​

/* scsi host attributes */

​

/**

 * pm8001_ctl_mpi_interface_rev_show - MPI interface revision number

 * @cdev: pointer to embedded class device

 * @buf: the buffer returned

 *

 * A sysfs 'read-only' shost attribute.

 */

static ssize_t pm8001_ctl_mpi_interface_rev_show(struct device *cdev,

    struct device_attribute *attr, char *buf)

{

    struct Scsi_Host *shost = class_to_shost(cdev);

    struct sas_ha_struct *sha = SHOST_TO_SAS_HA(shost);

    struct pm8001_hba_info *pm8001_ha = sha->lldd_ha;

​

    if (pm8001_ha->chip_id == chip_8001) {

        return snprintf(buf, PAGE_SIZE, "%d\n",

            pm8001_ha->main_cfg_tbl.pm8001_tbl.interface_rev);

    } else {

        return snprintf(buf, PAGE_SIZE, "%d\n",

            pm8001_ha->main_cfg_tbl.pm80xx_tbl.interface_rev);

    }

}

static

DEVICE_ATTR(interface_rev, S_IRUGO, pm8001_ctl_mpi_interface_rev_show, NULL);

​

/**

 * pm8001_ctl_fw_version_show - firmware version

 * @cdev: pointer to embedded class device

 * @buf: the buffer returned

 *

 * A sysfs 'read-only' shost attribute.

 */

static ssize_t pm8001_ctl_fw_version_show(struct device *cdev,

    struct device_attribute *attr, char *buf)

{

    struct Scsi_Host *shost = class_to_shost(cdev);

    struct sas_ha_struct *sha = SHOST_TO_SAS_HA(shost);

    struct pm8001_hba_info *pm8001_ha = sha->lldd_ha;

​

    if (pm8001_ha->chip_id == chip_8001) {

        return snprintf(buf, PAGE_SIZE, "%02x.%02x.%02x.%02x\n",

        (u8)(pm8001_ha->main_cfg_tbl.pm8001_tbl.firmware_rev >> 24),

        (u8)(pm8001_ha->main_cfg_tbl.pm8001_tbl.firmware_rev >> 16),

        (u8)(pm8001_ha->main_cfg_tbl.pm8001_tbl.firmware_rev >> 8),

        (u8)(pm8001_ha->main_cfg_tbl.pm8001_tbl.firmware_rev));

    } else {