/*
   * 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_ */