linux-imx

/*

 * PS3 Disk Storage Driver

 *

 * Copyright (C) 2007 Sony Computer Entertainment Inc.

 * Copyright 2007 Sony Corp.

 *

 * This program is free software; you can redistribute it and/or modify it

 * under the terms of the GNU General Public License as published

 * by the Free Software Foundation; version 2 of the License.

 *

 * 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 Street, Fifth Floor, Boston, MA 02110-1301 USA.

 */

​

#include <linux/ata.h>

#include <linux/blk-mq.h>

#include <linux/slab.h>

#include <linux/module.h>

​

#include <asm/lv1call.h>

#include <asm/ps3stor.h>

#include <asm/firmware.h>

​

​

#define DEVICE_NAME     "ps3disk"

​

#define BOUNCE_SIZE     (64*1024)

​

#define PS3DISK_MAX_DISKS   16

#define PS3DISK_MINORS      16

​

​

#define PS3DISK_NAME        "ps3d%c"

​

​

struct ps3disk_private {

    spinlock_t lock;        /* Request queue spinlock */

    struct request_queue *queue;

    struct blk_mq_tag_set tag_set;

    struct gendisk *gendisk;

    unsigned int blocking_factor;

    struct request *req;

    u64 raw_capacity;

    unsigned char model[ATA_ID_PROD_LEN+1];

};

​

​

#define LV1_STORAGE_SEND_ATA_COMMAND    (2)

#define LV1_STORAGE_ATA_HDDOUT      (0x23)

​

struct lv1_ata_cmnd_block {

    u16 features;

    u16 sector_count;

    u16 LBA_low;

    u16 LBA_mid;

    u16 LBA_high;

    u8  device;