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