From f721e3ac031f892af46f255a47d7f54a91317b30 Mon Sep 17 00:00:00 2001 From: The Android Open Source Project Date: Tue, 3 Mar 2009 18:28:35 -0800 Subject: auto import from //depot/cupcake/@135843 --- block_int.h | 150 ------------------------------------------------------------ 1 file changed, 150 deletions(-) delete mode 100644 block_int.h (limited to 'block_int.h') diff --git a/block_int.h b/block_int.h deleted file mode 100644 index 137000e..0000000 --- a/block_int.h +++ /dev/null @@ -1,150 +0,0 @@ -/* - * QEMU System Emulator block driver - * - * Copyright (c) 2003 Fabrice Bellard - * - * Permission is hereby granted, free of charge, to any person obtaining a copy - * of this software and associated documentation files (the "Software"), to deal - * in the Software without restriction, including without limitation the rights - * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell - * copies of the Software, and to permit persons to whom the Software is - * furnished to do so, subject to the following conditions: - * - * The above copyright notice and this permission notice shall be included in - * all copies or substantial portions of the Software. - * - * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR - * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, - * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL - * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER - * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, - * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN - * THE SOFTWARE. - */ -#ifndef BLOCK_INT_H -#define BLOCK_INT_H - -#include "block.h" - -#define BLOCK_FLAG_ENCRYPT 1 -#define BLOCK_FLAG_COMPRESS 2 -#define BLOCK_FLAG_COMPAT6 4 - -struct BlockDriver { - const char *format_name; - int instance_size; - int (*bdrv_probe)(const uint8_t *buf, int buf_size, const char *filename); - int (*bdrv_open)(BlockDriverState *bs, const char *filename, int flags); - int (*bdrv_read)(BlockDriverState *bs, int64_t sector_num, - uint8_t *buf, int nb_sectors); - int (*bdrv_write)(BlockDriverState *bs, int64_t sector_num, - const uint8_t *buf, int nb_sectors); - void (*bdrv_close)(BlockDriverState *bs); - int (*bdrv_create)(const char *filename, int64_t total_sectors, - const char *backing_file, int flags); - void (*bdrv_flush)(BlockDriverState *bs); - int (*bdrv_is_allocated)(BlockDriverState *bs, int64_t sector_num, - int nb_sectors, int *pnum); - int (*bdrv_set_key)(BlockDriverState *bs, const char *key); - int (*bdrv_make_empty)(BlockDriverState *bs); - /* aio */ - BlockDriverAIOCB *(*bdrv_aio_read)(BlockDriverState *bs, - int64_t sector_num, uint8_t *buf, int nb_sectors, - BlockDriverCompletionFunc *cb, void *opaque); - BlockDriverAIOCB *(*bdrv_aio_write)(BlockDriverState *bs, - int64_t sector_num, const uint8_t *buf, int nb_sectors, - BlockDriverCompletionFunc *cb, void *opaque); - void (*bdrv_aio_cancel)(BlockDriverAIOCB *acb); - int aiocb_size; - - const char *protocol_name; - int (*bdrv_pread)(BlockDriverState *bs, int64_t offset, - uint8_t *buf, int count); - int (*bdrv_pwrite)(BlockDriverState *bs, int64_t offset, - const uint8_t *buf, int count); - int (*bdrv_truncate)(BlockDriverState *bs, int64_t offset); - int64_t (*bdrv_getlength)(BlockDriverState *bs); - int (*bdrv_write_compressed)(BlockDriverState *bs, int64_t sector_num, - const uint8_t *buf, int nb_sectors); - - int (*bdrv_snapshot_create)(BlockDriverState *bs, - QEMUSnapshotInfo *sn_info); - int (*bdrv_snapshot_goto)(BlockDriverState *bs, - const char *snapshot_id); - int (*bdrv_snapshot_delete)(BlockDriverState *bs, const char *snapshot_id); - int (*bdrv_snapshot_list)(BlockDriverState *bs, - QEMUSnapshotInfo **psn_info); - int (*bdrv_get_info)(BlockDriverState *bs, BlockDriverInfo *bdi); - - /* removable device specific */ - int (*bdrv_is_inserted)(BlockDriverState *bs); - int (*bdrv_media_changed)(BlockDriverState *bs); - int (*bdrv_eject)(BlockDriverState *bs, int eject_flag); - int (*bdrv_set_locked)(BlockDriverState *bs, int locked); - - /* to control generic scsi devices */ - int (*bdrv_ioctl)(BlockDriverState *bs, unsigned long int req, void *buf); - - BlockDriverAIOCB *free_aiocb; - struct BlockDriver *next; -}; - -struct BlockDriverState { - int64_t total_sectors; /* if we are reading a disk image, give its - size in sectors */ - int read_only; /* if true, the media is read only */ - int removable; /* if true, the media can be removed */ - int locked; /* if true, the media cannot temporarily be ejected */ - int encrypted; /* if true, the media is encrypted */ - int sg; /* if true, the device is a /dev/sg* */ - /* event callback when inserting/removing */ - void (*change_cb)(void *opaque); - void *change_opaque; - - BlockDriver *drv; /* NULL means no media */ - void *opaque; - - int boot_sector_enabled; - uint8_t boot_sector_data[512]; - - char filename[1024]; - char backing_file[1024]; /* if non zero, the image is a diff of - this file image */ - int is_temporary; - int media_changed; - - BlockDriverState *backing_hd; - /* async read/write emulation */ - - void *sync_aiocb; - - /* I/O stats (display with "info blockstats"). */ - uint64_t rd_bytes; - uint64_t wr_bytes; - uint64_t rd_ops; - uint64_t wr_ops; - - /* NOTE: the following infos are only hints for real hardware - drivers. They are not used by the block driver */ - int cyls, heads, secs, translation; - int type; - char device_name[32]; - BlockDriverState *next; -}; - -struct BlockDriverAIOCB { - BlockDriverState *bs; - BlockDriverCompletionFunc *cb; - void *opaque; - BlockDriverAIOCB *next; -}; - -void get_tmp_filename(char *filename, int size); - -void *qemu_aio_get(BlockDriverState *bs, BlockDriverCompletionFunc *cb, - void *opaque); -void qemu_aio_release(void *p); - -BlockDriverState *bdrv_first; - -#endif /* BLOCK_INT_H */ -- cgit v1.1