/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_ */