LXR linux/arch/powerpc/include/asm/ps3stor.h

   1/*
   2 * PS3 Storage Devices
   3 *
   4 * Copyright (C) 2007 Sony Computer Entertainment Inc.
   5 * Copyright 2007 Sony Corp.
   6 *
   7 * This program is free software; you can redistribute it and/or modify it
   8 * under the terms of the GNU General Public License as published
   9 * by the Free Software Foundation; version 2 of the License.
  10 *
  11 * This program is distributed in the hope that it will be useful, but
  12 * WITHOUT ANY WARRANTY; without even the implied warranty of
  13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  14 * General Public License for more details.
  15 *
  16 * You should have received a copy of the GNU General Public License along
  17 * with this program; if not, write to the Free Software Foundation, Inc.,
  18 * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
  19 */
  20
  21#ifndef _ASM_POWERPC_PS3STOR_H_
  22#define _ASM_POWERPC_PS3STOR_H_
  23
  24#include <linux/interrupt.h>
  25
  26#include <asm/ps3.h>
  27
  28
  29struct ps3_storage_region {
  30        unsigned int id;
  31        u64 start;
  32        u64 size;
  33};
  34
  35struct ps3_storage_device {
  36        struct ps3_system_bus_device sbd;
  37
  38        struct ps3_dma_region dma_region;
  39        unsigned int irq;
  40        u64 blk_size;
  41
  42        u64 tag;
  43        u64 lv1_status;
  44        struct completion done;
  45
  46        unsigned long bounce_size;
  47        void *bounce_buf;
  48        u64 bounce_lpar;
  49        dma_addr_t bounce_dma;
  50
  51        unsigned int num_regions;
  52        unsigned long accessible_regions;
  53        unsigned int region_idx;                /* first accessible region */
  54        struct ps3_storage_region regions[0];   /* Must be last */
  55};
  56
  57static inline struct ps3_storage_device *to_ps3_storage_device(struct device *dev)
  58{
  59        return container_of(dev, struct ps3_storage_device, sbd.core);
  60}
  61
  62extern int ps3stor_setup(struct ps3_storage_device *dev,
  63                         irq_handler_t handler);
  64extern void ps3stor_teardown(struct ps3_storage_device *dev);
  65extern u64 ps3stor_read_write_sectors(struct ps3_storage_device *dev, u64 lpar,
  66                                      u64 start_sector, u64 sectors,
  67                                      int write);
  68extern u64 ps3stor_send_command(struct ps3_storage_device *dev, u64 cmd,
  69                                u64 arg1, u64 arg2, u64 arg3, u64 arg4);
  70
  71#endif /* _ASM_POWERPC_PS3STOR_H_ */
  72