diff options
author | Geert Uytterhoeven <Geert.Uytterhoeven@sonycom.com> | 2007-06-22 00:14:21 +1000 |
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committer | Paul Mackerras <paulus@samba.org> | 2007-06-28 19:19:20 +1000 |
commit | 80071802cb9c622dbd44bc6ba292f0683891ef44 (patch) | |
tree | 2ca8bfaee1212a5a62d059ee842394e14b068bae /include/asm-powerpc | |
parent | 32d7331852a07d1f94c6d1b817c7c45648aa0fe7 (diff) | |
download | op-kernel-dev-80071802cb9c622dbd44bc6ba292f0683891ef44.zip op-kernel-dev-80071802cb9c622dbd44bc6ba292f0683891ef44.tar.gz |
[POWERPC] PS3: Storage Driver Core
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>
Diffstat (limited to 'include/asm-powerpc')
-rw-r--r-- | include/asm-powerpc/ps3stor.h | 71 |
1 files changed, 71 insertions, 0 deletions
diff --git a/include/asm-powerpc/ps3stor.h b/include/asm-powerpc/ps3stor.h new file mode 100644 index 0000000..6fcaf71 --- /dev/null +++ b/include/asm-powerpc/ps3stor.h @@ -0,0 +1,71 @@ +/* + * PS3 Storage Devices + * + * Copyright (C) 2007 Sony Computer Entertainment Inc. + * Copyright 2007 Sony Corp. + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License as published + * by the Free Software Foundation; version 2 of the License. + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + * + * You should have received a copy of the GNU General Public License along + * with this program; if not, write to the Free Software Foundation, Inc., + * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. + */ + +#ifndef _ASM_POWERPC_PS3STOR_H_ +#define _ASM_POWERPC_PS3STOR_H_ + +#include <linux/interrupt.h> + +#include <asm/ps3.h> + + +struct ps3_storage_region { + unsigned int id; + u64 start; + u64 size; +}; + +struct ps3_storage_device { + struct ps3_system_bus_device sbd; + + struct ps3_dma_region dma_region; + unsigned int irq; + u64 blk_size; + + u64 tag; + u64 lv1_status; + struct completion done; + + unsigned long bounce_size; + void *bounce_buf; + u64 bounce_lpar; + dma_addr_t bounce_dma; + + unsigned int num_regions; + unsigned long accessible_regions; + unsigned int region_idx; /* first accessible region */ + struct ps3_storage_region regions[0]; /* Must be last */ +}; + +static inline struct ps3_storage_device *to_ps3_storage_device(struct device *dev) +{ + return container_of(dev, struct ps3_storage_device, sbd.core); +} + +extern int ps3stor_setup(struct ps3_storage_device *dev, + irq_handler_t handler); +extern void ps3stor_teardown(struct ps3_storage_device *dev); +extern u64 ps3stor_read_write_sectors(struct ps3_storage_device *dev, u64 lpar, + u64 start_sector, u64 sectors, + int write); +extern u64 ps3stor_send_command(struct ps3_storage_device *dev, u64 cmd, + u64 arg1, u64 arg2, u64 arg3, u64 arg4); + +#endif /* _ASM_POWERPC_PS3STOR_H_ */ |