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
  17 struct ps3_storage_region {
  18         unsigned int id;
  19         u64 start;
  20         u64 size;
  21 };
  22
  23 struct 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
  45 static 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
  50 extern int ps3stor_setup(struct ps3_storage_device *dev,
  51                          irq_handler_t handler);
  52 extern void ps3stor_teardown(struct ps3_storage_device *dev);
  53 extern u64 ps3stor_read_write_sectors(struct ps3_storage_device *dev, u64 lpar,
  54                                       u64 start_sector, u64 sectors,
  55                                       int write);
  56 extern 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_ */