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ps3stor.h

/*
 * PS3 Storage Devices
 *
 * 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.
 */

#ifndef _ASM_POWERPC_PS3STOR_H_
#define _ASM_POWERPC_PS3STOR_H_

#include <linux/interrupt.h>

#include <asm/ps3.h>


struct ps3_storage_region {
      unsigned int id;
      u64 start;
      u64 size;
};

struct ps3_storage_device {
      struct ps3_system_bus_device sbd;

      struct ps3_dma_region dma_region;
      unsigned int irq;
      u64 blk_size;

      u64 tag;
      u64 lv1_status;
      struct completion done;

      unsigned long bounce_size;
      void *bounce_buf;
      u64 bounce_lpar;
      dma_addr_t bounce_dma;

      unsigned int num_regions;
      unsigned long accessible_regions;
      unsigned int region_idx;            /* first accessible region */
      struct ps3_storage_region regions[0];     /* Must be last */
};

static inline struct ps3_storage_device *to_ps3_storage_device(struct device *dev)
{
      return container_of(dev, struct ps3_storage_device, sbd.core);
}

extern int ps3stor_setup(struct ps3_storage_device *dev,
                   irq_handler_t handler);
extern void ps3stor_teardown(struct ps3_storage_device *dev);
extern u64 ps3stor_read_write_sectors(struct ps3_storage_device *dev, u64 lpar,
                              u64 start_sector, u64 sectors,
                              int write);
extern u64 ps3stor_send_command(struct ps3_storage_device *dev, u64 cmd,
                        u64 arg1, u64 arg2, u64 arg3, u64 arg4);

#endif /* _ASM_POWERPC_PS3STOR_H_ */

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