80071802cb
Add storage driver core support for the PS3. PS3 storage devices are a special kind of PS3 system bus device. Signed-off-by: Geert Uytterhoeven <Geert.Uytterhoeven@sonycom.com> Signed-off-by: Geoff Levand <geoffrey.levand@am.sony.com> Signed-off-by: Paul Mackerras <paulus@samba.org>
71 lines
2 KiB
C
71 lines
2 KiB
C
/*
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* PS3 Storage Devices
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*
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* Copyright (C) 2007 Sony Computer Entertainment Inc.
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* Copyright 2007 Sony Corp.
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*
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* This program is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License as published
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* by the Free Software Foundation; version 2 of the License.
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*
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* This program is distributed in the hope that it will be useful, but
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* WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License along
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* with this program; if not, write to the Free Software Foundation, Inc.,
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* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
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*/
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#ifndef _ASM_POWERPC_PS3STOR_H_
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#define _ASM_POWERPC_PS3STOR_H_
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#include <linux/interrupt.h>
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#include <asm/ps3.h>
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struct ps3_storage_region {
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unsigned int id;
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u64 start;
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u64 size;
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};
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struct ps3_storage_device {
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struct ps3_system_bus_device sbd;
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struct ps3_dma_region dma_region;
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unsigned int irq;
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u64 blk_size;
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u64 tag;
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u64 lv1_status;
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struct completion done;
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unsigned long bounce_size;
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void *bounce_buf;
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u64 bounce_lpar;
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dma_addr_t bounce_dma;
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unsigned int num_regions;
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unsigned long accessible_regions;
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unsigned int region_idx; /* first accessible region */
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struct ps3_storage_region regions[0]; /* Must be last */
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};
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static inline struct ps3_storage_device *to_ps3_storage_device(struct device *dev)
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{
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return container_of(dev, struct ps3_storage_device, sbd.core);
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}
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extern int ps3stor_setup(struct ps3_storage_device *dev,
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irq_handler_t handler);
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extern void ps3stor_teardown(struct ps3_storage_device *dev);
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extern u64 ps3stor_read_write_sectors(struct ps3_storage_device *dev, u64 lpar,
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u64 start_sector, u64 sectors,
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int write);
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extern u64 ps3stor_send_command(struct ps3_storage_device *dev, u64 cmd,
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u64 arg1, u64 arg2, u64 arg3, u64 arg4);
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#endif /* _ASM_POWERPC_PS3STOR_H_ */
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