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

   1/* SPDX-License-Identifier: GPL-2.0-only */
   2/*
   3 * PS3 Storage Devices
   4 *
   5 * Copyright (C) 2007 Sony Computer Entertainment Inc.
   6 * Copyright 2007 Sony Corp.
   7 */
   8
   9#ifndef _ASM_POWERPC_PS3STOR_H_
  10#define _ASM_POWERPC_PS3STOR_H_
  11
  12#include <linux/interrupt.h>
  13
  14#include <asm/ps3.h>
  15
  16
  17struct ps3_storage_region {
  18        unsigned int id;
  19        u64 start;
  20        u64 size;
  21};
  22
  23struct ps3_storage_device {
  24        struct ps3_system_bus_device sbd;
  25
  26        struct ps3_dma_region dma_region;
  27        unsigned int irq;
  28        u64 blk_size;
  29
  30        u64 tag;
  31        u64 lv1_status;
  32        struct completion done;
  33
  34        unsigned long bounce_size;
  35        void *bounce_buf;
  36        u64 bounce_lpar;
  37        dma_addr_t bounce_dma;
  38
  39        unsigned int num_regions;
  40        unsigned long accessible_regions;
  41        unsigned int region_idx;                /* first accessible region */
  42        struct ps3_storage_region regions[];    /* Must be last */
  43};
  44
  45static inline struct ps3_storage_device *to_ps3_storage_device(struct device *dev)
  46{
  47        return container_of(dev, struct ps3_storage_device, sbd.core);
  48}
  49
  50extern int ps3stor_setup(struct ps3_storage_device *dev,
  51                         irq_handler_t handler);
  52extern void ps3stor_teardown(struct ps3_storage_device *dev);
  53extern u64 ps3stor_read_write_sectors(struct ps3_storage_device *dev, u64 lpar,
  54                                      u64 start_sector, u64 sectors,
  55                                      int write);
  56extern u64 ps3stor_send_command(struct ps3_storage_device *dev, u64 cmd,
  57                                u64 arg1, u64 arg2, u64 arg3, u64 arg4);
  58
  59#endif /* _ASM_POWERPC_PS3STOR_H_ */
  60