bellard | ea2384d | 2004-08-01 21:59:26 +0000 | [diff] [blame] | 1 | /* |
| 2 | * QEMU System Emulator block driver |
ths | 5fafdf2 | 2007-09-16 21:08:06 +0000 | [diff] [blame] | 3 | * |
bellard | ea2384d | 2004-08-01 21:59:26 +0000 | [diff] [blame] | 4 | * Copyright (c) 2003 Fabrice Bellard |
ths | 5fafdf2 | 2007-09-16 21:08:06 +0000 | [diff] [blame] | 5 | * |
bellard | ea2384d | 2004-08-01 21:59:26 +0000 | [diff] [blame] | 6 | * Permission is hereby granted, free of charge, to any person obtaining a copy |
| 7 | * of this software and associated documentation files (the "Software"), to deal |
| 8 | * in the Software without restriction, including without limitation the rights |
| 9 | * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell |
| 10 | * copies of the Software, and to permit persons to whom the Software is |
| 11 | * furnished to do so, subject to the following conditions: |
| 12 | * |
| 13 | * The above copyright notice and this permission notice shall be included in |
| 14 | * all copies or substantial portions of the Software. |
| 15 | * |
| 16 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR |
| 17 | * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, |
| 18 | * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL |
| 19 | * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER |
| 20 | * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, |
| 21 | * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN |
| 22 | * THE SOFTWARE. |
| 23 | */ |
| 24 | #ifndef BLOCK_INT_H |
| 25 | #define BLOCK_INT_H |
| 26 | |
pbrook | faf0796 | 2007-11-11 02:51:17 +0000 | [diff] [blame] | 27 | #include "block.h" |
Kevin Wolf | 0e7e198 | 2009-05-18 16:42:10 +0200 | [diff] [blame] | 28 | #include "qemu-option.h" |
Stefan Hajnoczi | 1b7bdbc | 2010-04-10 07:02:42 +0100 | [diff] [blame] | 29 | #include "qemu-queue.h" |
pbrook | faf0796 | 2007-11-11 02:51:17 +0000 | [diff] [blame] | 30 | |
ths | ec36ba1 | 2007-09-16 21:59:02 +0000 | [diff] [blame] | 31 | #define BLOCK_FLAG_ENCRYPT 1 |
| 32 | #define BLOCK_FLAG_COMPRESS 2 |
| 33 | #define BLOCK_FLAG_COMPAT6 4 |
| 34 | |
Kevin Wolf | 0e7e198 | 2009-05-18 16:42:10 +0200 | [diff] [blame] | 35 | #define BLOCK_OPT_SIZE "size" |
| 36 | #define BLOCK_OPT_ENCRYPT "encryption" |
| 37 | #define BLOCK_OPT_COMPAT6 "compat6" |
| 38 | #define BLOCK_OPT_BACKING_FILE "backing_file" |
| 39 | #define BLOCK_OPT_BACKING_FMT "backing_fmt" |
Kevin Wolf | 73c632e | 2009-05-19 17:57:21 +0200 | [diff] [blame] | 40 | #define BLOCK_OPT_CLUSTER_SIZE "cluster_size" |
Kevin Wolf | a35e1c1 | 2009-08-17 15:50:10 +0200 | [diff] [blame] | 41 | #define BLOCK_OPT_PREALLOC "preallocation" |
Kevin Wolf | 0e7e198 | 2009-05-18 16:42:10 +0200 | [diff] [blame] | 42 | |
aliguori | 6bbff9a | 2009-03-20 18:25:59 +0000 | [diff] [blame] | 43 | typedef struct AIOPool { |
| 44 | void (*cancel)(BlockDriverAIOCB *acb); |
| 45 | int aiocb_size; |
| 46 | BlockDriverAIOCB *free_aiocb; |
| 47 | } AIOPool; |
| 48 | |
bellard | ea2384d | 2004-08-01 21:59:26 +0000 | [diff] [blame] | 49 | struct BlockDriver { |
| 50 | const char *format_name; |
| 51 | int instance_size; |
| 52 | int (*bdrv_probe)(const uint8_t *buf, int buf_size, const char *filename); |
Christoph Hellwig | 508c7cb | 2009-06-15 14:04:22 +0200 | [diff] [blame] | 53 | int (*bdrv_probe_device)(const char *filename); |
Kevin Wolf | 66f82ce | 2010-04-14 14:17:38 +0200 | [diff] [blame] | 54 | int (*bdrv_open)(BlockDriverState *bs, int flags); |
| 55 | int (*bdrv_file_open)(BlockDriverState *bs, const char *filename, int flags); |
ths | 5fafdf2 | 2007-09-16 21:08:06 +0000 | [diff] [blame] | 56 | int (*bdrv_read)(BlockDriverState *bs, int64_t sector_num, |
bellard | ea2384d | 2004-08-01 21:59:26 +0000 | [diff] [blame] | 57 | uint8_t *buf, int nb_sectors); |
ths | 5fafdf2 | 2007-09-16 21:08:06 +0000 | [diff] [blame] | 58 | int (*bdrv_write)(BlockDriverState *bs, int64_t sector_num, |
bellard | ea2384d | 2004-08-01 21:59:26 +0000 | [diff] [blame] | 59 | const uint8_t *buf, int nb_sectors); |
bellard | e2731ad | 2004-09-18 19:32:11 +0000 | [diff] [blame] | 60 | void (*bdrv_close)(BlockDriverState *bs); |
Kevin Wolf | 0e7e198 | 2009-05-18 16:42:10 +0200 | [diff] [blame] | 61 | int (*bdrv_create)(const char *filename, QEMUOptionParameter *options); |
pbrook | 7a6cba6 | 2006-06-04 11:39:07 +0000 | [diff] [blame] | 62 | void (*bdrv_flush)(BlockDriverState *bs); |
bellard | ea2384d | 2004-08-01 21:59:26 +0000 | [diff] [blame] | 63 | int (*bdrv_is_allocated)(BlockDriverState *bs, int64_t sector_num, |
| 64 | int nb_sectors, int *pnum); |
| 65 | int (*bdrv_set_key)(BlockDriverState *bs, const char *key); |
bellard | 95389c8 | 2005-12-18 18:28:15 +0000 | [diff] [blame] | 66 | int (*bdrv_make_empty)(BlockDriverState *bs); |
bellard | 83f6409 | 2006-08-01 16:21:11 +0000 | [diff] [blame] | 67 | /* aio */ |
aliguori | f141eaf | 2009-04-07 18:43:24 +0000 | [diff] [blame] | 68 | BlockDriverAIOCB *(*bdrv_aio_readv)(BlockDriverState *bs, |
| 69 | int64_t sector_num, QEMUIOVector *qiov, int nb_sectors, |
pbrook | ce1a14d | 2006-08-07 02:38:06 +0000 | [diff] [blame] | 70 | BlockDriverCompletionFunc *cb, void *opaque); |
aliguori | f141eaf | 2009-04-07 18:43:24 +0000 | [diff] [blame] | 71 | BlockDriverAIOCB *(*bdrv_aio_writev)(BlockDriverState *bs, |
| 72 | int64_t sector_num, QEMUIOVector *qiov, int nb_sectors, |
pbrook | ce1a14d | 2006-08-07 02:38:06 +0000 | [diff] [blame] | 73 | BlockDriverCompletionFunc *cb, void *opaque); |
Christoph Hellwig | b2e12bc | 2009-09-04 19:01:49 +0200 | [diff] [blame] | 74 | BlockDriverAIOCB *(*bdrv_aio_flush)(BlockDriverState *bs, |
| 75 | BlockDriverCompletionFunc *cb, void *opaque); |
bellard | 83f6409 | 2006-08-01 16:21:11 +0000 | [diff] [blame] | 76 | |
Kevin Wolf | 40b4f53 | 2009-09-09 17:53:37 +0200 | [diff] [blame] | 77 | int (*bdrv_aio_multiwrite)(BlockDriverState *bs, BlockRequest *reqs, |
| 78 | int num_reqs); |
| 79 | int (*bdrv_merge_requests)(BlockDriverState *bs, BlockRequest* a, |
| 80 | BlockRequest *b); |
| 81 | |
| 82 | |
bellard | 83f6409 | 2006-08-01 16:21:11 +0000 | [diff] [blame] | 83 | const char *protocol_name; |
bellard | 83f6409 | 2006-08-01 16:21:11 +0000 | [diff] [blame] | 84 | int (*bdrv_truncate)(BlockDriverState *bs, int64_t offset); |
| 85 | int64_t (*bdrv_getlength)(BlockDriverState *bs); |
ths | 5fafdf2 | 2007-09-16 21:08:06 +0000 | [diff] [blame] | 86 | int (*bdrv_write_compressed)(BlockDriverState *bs, int64_t sector_num, |
bellard | faea38e | 2006-08-05 21:31:00 +0000 | [diff] [blame] | 87 | const uint8_t *buf, int nb_sectors); |
| 88 | |
ths | 5fafdf2 | 2007-09-16 21:08:06 +0000 | [diff] [blame] | 89 | int (*bdrv_snapshot_create)(BlockDriverState *bs, |
bellard | faea38e | 2006-08-05 21:31:00 +0000 | [diff] [blame] | 90 | QEMUSnapshotInfo *sn_info); |
ths | 5fafdf2 | 2007-09-16 21:08:06 +0000 | [diff] [blame] | 91 | int (*bdrv_snapshot_goto)(BlockDriverState *bs, |
bellard | faea38e | 2006-08-05 21:31:00 +0000 | [diff] [blame] | 92 | const char *snapshot_id); |
| 93 | int (*bdrv_snapshot_delete)(BlockDriverState *bs, const char *snapshot_id); |
ths | 5fafdf2 | 2007-09-16 21:08:06 +0000 | [diff] [blame] | 94 | int (*bdrv_snapshot_list)(BlockDriverState *bs, |
bellard | faea38e | 2006-08-05 21:31:00 +0000 | [diff] [blame] | 95 | QEMUSnapshotInfo **psn_info); |
| 96 | int (*bdrv_get_info)(BlockDriverState *bs, BlockDriverInfo *bdi); |
bellard | 83f6409 | 2006-08-01 16:21:11 +0000 | [diff] [blame] | 97 | |
Christoph Hellwig | 45566e9 | 2009-07-10 23:11:57 +0200 | [diff] [blame] | 98 | int (*bdrv_save_vmstate)(BlockDriverState *bs, const uint8_t *buf, |
| 99 | int64_t pos, int size); |
| 100 | int (*bdrv_load_vmstate)(BlockDriverState *bs, uint8_t *buf, |
| 101 | int64_t pos, int size); |
aliguori | 178e08a | 2009-04-05 19:10:55 +0000 | [diff] [blame] | 102 | |
Kevin Wolf | 756e673 | 2010-01-12 12:55:17 +0100 | [diff] [blame] | 103 | int (*bdrv_change_backing_file)(BlockDriverState *bs, |
| 104 | const char *backing_file, const char *backing_fmt); |
| 105 | |
bellard | 19cb373 | 2006-08-19 11:45:59 +0000 | [diff] [blame] | 106 | /* removable device specific */ |
| 107 | int (*bdrv_is_inserted)(BlockDriverState *bs); |
| 108 | int (*bdrv_media_changed)(BlockDriverState *bs); |
| 109 | int (*bdrv_eject)(BlockDriverState *bs, int eject_flag); |
| 110 | int (*bdrv_set_locked)(BlockDriverState *bs, int locked); |
ths | 3b46e62 | 2007-09-17 08:09:54 +0000 | [diff] [blame] | 111 | |
ths | 985a03b | 2007-12-24 16:10:43 +0000 | [diff] [blame] | 112 | /* to control generic scsi devices */ |
| 113 | int (*bdrv_ioctl)(BlockDriverState *bs, unsigned long int req, void *buf); |
aliguori | 221f715 | 2009-03-28 17:28:41 +0000 | [diff] [blame] | 114 | BlockDriverAIOCB *(*bdrv_aio_ioctl)(BlockDriverState *bs, |
| 115 | unsigned long int req, void *buf, |
| 116 | BlockDriverCompletionFunc *cb, void *opaque); |
ths | 985a03b | 2007-12-24 16:10:43 +0000 | [diff] [blame] | 117 | |
Kevin Wolf | 0e7e198 | 2009-05-18 16:42:10 +0200 | [diff] [blame] | 118 | /* List of options for creating images, terminated by name == NULL */ |
| 119 | QEMUOptionParameter *create_options; |
| 120 | |
aliguori | 5eb4563 | 2009-03-28 17:55:10 +0000 | [diff] [blame] | 121 | |
Kevin Wolf | 9ac228e | 2010-06-29 12:37:54 +0200 | [diff] [blame] | 122 | /* |
| 123 | * Returns 0 for completed check, -errno for internal errors. |
| 124 | * The check results are stored in result. |
| 125 | */ |
| 126 | int (*bdrv_check)(BlockDriverState* bs, BdrvCheckResult *result); |
aliguori | e97fc19 | 2009-04-21 23:11:50 +0000 | [diff] [blame] | 127 | |
Kevin Wolf | 8b9b0cc | 2010-03-15 17:27:00 +0100 | [diff] [blame] | 128 | void (*bdrv_debug_event)(BlockDriverState *bs, BlkDebugEvent event); |
| 129 | |
Kevin Wolf | 12c09b8 | 2009-11-30 16:54:15 +0100 | [diff] [blame] | 130 | /* Set if newly created images are not guaranteed to contain only zeros */ |
| 131 | int no_zero_init; |
| 132 | |
Stefan Hajnoczi | 8a22f02 | 2010-04-13 10:29:33 +0100 | [diff] [blame] | 133 | QLIST_ENTRY(BlockDriver) list; |
bellard | ea2384d | 2004-08-01 21:59:26 +0000 | [diff] [blame] | 134 | }; |
| 135 | |
| 136 | struct BlockDriverState { |
bellard | d15a771 | 2006-08-06 13:35:09 +0000 | [diff] [blame] | 137 | int64_t total_sectors; /* if we are reading a disk image, give its |
| 138 | size in sectors */ |
bellard | ea2384d | 2004-08-01 21:59:26 +0000 | [diff] [blame] | 139 | int read_only; /* if true, the media is read only */ |
Naphtali Sprei | 4dca4b6 | 2010-02-14 13:39:18 +0200 | [diff] [blame] | 140 | int keep_read_only; /* if true, the media was requested to stay read only */ |
| 141 | int open_flags; /* flags used to open the file, re-used for re-open */ |
bellard | ea2384d | 2004-08-01 21:59:26 +0000 | [diff] [blame] | 142 | int removable; /* if true, the media can be removed */ |
| 143 | int locked; /* if true, the media cannot temporarily be ejected */ |
| 144 | int encrypted; /* if true, the media is encrypted */ |
aliguori | c0f4ce7 | 2009-03-05 23:01:01 +0000 | [diff] [blame] | 145 | int valid_key; /* if true, a valid encryption key has been set */ |
ths | 985a03b | 2007-12-24 16:10:43 +0000 | [diff] [blame] | 146 | int sg; /* if true, the device is a /dev/sg* */ |
Anthony Liguori | 79368c8 | 2010-07-14 10:58:00 -0500 | [diff] [blame] | 147 | int probed; /* if true, format was probed automatically */ |
bellard | ea2384d | 2004-08-01 21:59:26 +0000 | [diff] [blame] | 148 | /* event callback when inserting/removing */ |
| 149 | void (*change_cb)(void *opaque); |
| 150 | void *change_opaque; |
| 151 | |
bellard | 19cb373 | 2006-08-19 11:45:59 +0000 | [diff] [blame] | 152 | BlockDriver *drv; /* NULL means no media */ |
bellard | ea2384d | 2004-08-01 21:59:26 +0000 | [diff] [blame] | 153 | void *opaque; |
| 154 | |
Markus Armbruster | 18846de | 2010-06-29 16:58:30 +0200 | [diff] [blame] | 155 | DeviceState *peer; |
| 156 | |
bellard | ea2384d | 2004-08-01 21:59:26 +0000 | [diff] [blame] | 157 | char filename[1024]; |
| 158 | char backing_file[1024]; /* if non zero, the image is a diff of |
| 159 | this file image */ |
aliguori | 5eb4563 | 2009-03-28 17:55:10 +0000 | [diff] [blame] | 160 | char backing_format[16]; /* if non-zero and backing_file exists */ |
bellard | ea2384d | 2004-08-01 21:59:26 +0000 | [diff] [blame] | 161 | int is_temporary; |
bellard | 19cb373 | 2006-08-19 11:45:59 +0000 | [diff] [blame] | 162 | int media_changed; |
| 163 | |
bellard | ea2384d | 2004-08-01 21:59:26 +0000 | [diff] [blame] | 164 | BlockDriverState *backing_hd; |
Kevin Wolf | 66f82ce | 2010-04-14 14:17:38 +0200 | [diff] [blame] | 165 | BlockDriverState *file; |
| 166 | |
pbrook | ce1a14d | 2006-08-07 02:38:06 +0000 | [diff] [blame] | 167 | /* async read/write emulation */ |
bellard | 83f6409 | 2006-08-01 16:21:11 +0000 | [diff] [blame] | 168 | |
pbrook | ce1a14d | 2006-08-07 02:38:06 +0000 | [diff] [blame] | 169 | void *sync_aiocb; |
ths | 3b46e62 | 2007-09-17 08:09:54 +0000 | [diff] [blame] | 170 | |
ths | a36e69d | 2007-12-02 05:18:19 +0000 | [diff] [blame] | 171 | /* I/O stats (display with "info blockstats"). */ |
| 172 | uint64_t rd_bytes; |
| 173 | uint64_t wr_bytes; |
| 174 | uint64_t rd_ops; |
| 175 | uint64_t wr_ops; |
Kevin Wolf | 294cc35 | 2010-04-28 14:34:01 +0200 | [diff] [blame] | 176 | uint64_t wr_highest_sector; |
ths | a36e69d | 2007-12-02 05:18:19 +0000 | [diff] [blame] | 177 | |
aliguori | 71d0770 | 2009-03-03 17:37:16 +0000 | [diff] [blame] | 178 | /* Whether the disk can expand beyond total_sectors */ |
| 179 | int growable; |
| 180 | |
aliguori | e268ca5 | 2009-04-22 20:20:00 +0000 | [diff] [blame] | 181 | /* the memory alignment required for the buffers handled by this driver */ |
| 182 | int buffer_alignment; |
| 183 | |
Christoph Hellwig | e900a7b | 2009-09-04 19:01:15 +0200 | [diff] [blame] | 184 | /* do we need to tell the quest if we have a volatile write cache? */ |
| 185 | int enable_write_cache; |
| 186 | |
bellard | ea2384d | 2004-08-01 21:59:26 +0000 | [diff] [blame] | 187 | /* NOTE: the following infos are only hints for real hardware |
| 188 | drivers. They are not used by the block driver */ |
bellard | 46d4767 | 2004-11-16 01:45:27 +0000 | [diff] [blame] | 189 | int cyls, heads, secs, translation; |
bellard | ea2384d | 2004-08-01 21:59:26 +0000 | [diff] [blame] | 190 | int type; |
Markus Armbruster | abd7f68 | 2010-06-02 18:55:17 +0200 | [diff] [blame] | 191 | BlockErrorAction on_read_error, on_write_error; |
bellard | ea2384d | 2004-08-01 21:59:26 +0000 | [diff] [blame] | 192 | char device_name[32]; |
Jan Kiszka | c6d2283 | 2009-11-30 18:21:20 +0100 | [diff] [blame] | 193 | unsigned long *dirty_bitmap; |
Liran Schour | aaa0eb7 | 2010-01-26 10:31:48 +0200 | [diff] [blame] | 194 | int64_t dirty_count; |
Stefan Hajnoczi | 1b7bdbc | 2010-04-10 07:02:42 +0100 | [diff] [blame] | 195 | QTAILQ_ENTRY(BlockDriverState) list; |
aliguori | b0a7b12 | 2009-02-11 15:20:29 +0000 | [diff] [blame] | 196 | void *private; |
bellard | ea2384d | 2004-08-01 21:59:26 +0000 | [diff] [blame] | 197 | }; |
| 198 | |
bellard | 83f6409 | 2006-08-01 16:21:11 +0000 | [diff] [blame] | 199 | struct BlockDriverAIOCB { |
aliguori | 6bbff9a | 2009-03-20 18:25:59 +0000 | [diff] [blame] | 200 | AIOPool *pool; |
bellard | 83f6409 | 2006-08-01 16:21:11 +0000 | [diff] [blame] | 201 | BlockDriverState *bs; |
| 202 | BlockDriverCompletionFunc *cb; |
pbrook | ce1a14d | 2006-08-07 02:38:06 +0000 | [diff] [blame] | 203 | void *opaque; |
| 204 | BlockDriverAIOCB *next; |
bellard | 83f6409 | 2006-08-01 16:21:11 +0000 | [diff] [blame] | 205 | }; |
| 206 | |
bellard | 95389c8 | 2005-12-18 18:28:15 +0000 | [diff] [blame] | 207 | void get_tmp_filename(char *filename, int size); |
| 208 | |
Christoph Hellwig | c16b5a2 | 2009-05-25 12:37:32 +0200 | [diff] [blame] | 209 | void *qemu_aio_get(AIOPool *pool, BlockDriverState *bs, |
| 210 | BlockDriverCompletionFunc *cb, void *opaque); |
pbrook | ce1a14d | 2006-08-07 02:38:06 +0000 | [diff] [blame] | 211 | void qemu_aio_release(void *p); |
| 212 | |
aliguori | e268ca5 | 2009-04-22 20:20:00 +0000 | [diff] [blame] | 213 | void *qemu_blockalign(BlockDriverState *bs, size_t size); |
| 214 | |
Christoph Hellwig | 508c7cb | 2009-06-15 14:04:22 +0200 | [diff] [blame] | 215 | #ifdef _WIN32 |
| 216 | int is_windows_drive(const char *filename); |
| 217 | #endif |
| 218 | |
Christoph Hellwig | 428c149 | 2010-02-10 23:37:09 +0100 | [diff] [blame] | 219 | typedef struct BlockConf { |
Markus Armbruster | f8b6cc0 | 2010-05-05 16:36:52 +0200 | [diff] [blame] | 220 | BlockDriverState *bs; |
Christoph Hellwig | 428c149 | 2010-02-10 23:37:09 +0100 | [diff] [blame] | 221 | uint16_t physical_block_size; |
Christoph Hellwig | 8cfacf0 | 2010-03-04 14:20:17 +0100 | [diff] [blame] | 222 | uint16_t logical_block_size; |
Christoph Hellwig | 428c149 | 2010-02-10 23:37:09 +0100 | [diff] [blame] | 223 | uint16_t min_io_size; |
| 224 | uint32_t opt_io_size; |
| 225 | } BlockConf; |
| 226 | |
| 227 | static inline unsigned int get_physical_block_exp(BlockConf *conf) |
| 228 | { |
| 229 | unsigned int exp = 0, size; |
| 230 | |
Christoph Hellwig | 1e297c3 | 2010-06-15 17:52:52 +0200 | [diff] [blame] | 231 | for (size = conf->physical_block_size; |
| 232 | size > conf->logical_block_size; |
| 233 | size >>= 1) { |
Christoph Hellwig | 428c149 | 2010-02-10 23:37:09 +0100 | [diff] [blame] | 234 | exp++; |
| 235 | } |
| 236 | |
| 237 | return exp; |
| 238 | } |
| 239 | |
| 240 | #define DEFINE_BLOCK_PROPERTIES(_state, _conf) \ |
Markus Armbruster | f8b6cc0 | 2010-05-05 16:36:52 +0200 | [diff] [blame] | 241 | DEFINE_PROP_DRIVE("drive", _state, _conf.bs), \ |
Christoph Hellwig | 8cfacf0 | 2010-03-04 14:20:17 +0100 | [diff] [blame] | 242 | DEFINE_PROP_UINT16("logical_block_size", _state, \ |
| 243 | _conf.logical_block_size, 512), \ |
Christoph Hellwig | 428c149 | 2010-02-10 23:37:09 +0100 | [diff] [blame] | 244 | DEFINE_PROP_UINT16("physical_block_size", _state, \ |
| 245 | _conf.physical_block_size, 512), \ |
| 246 | DEFINE_PROP_UINT16("min_io_size", _state, _conf.min_io_size, 512), \ |
| 247 | DEFINE_PROP_UINT32("opt_io_size", _state, _conf.opt_io_size, 512) |
| 248 | |
bellard | ea2384d | 2004-08-01 21:59:26 +0000 | [diff] [blame] | 249 | #endif /* BLOCK_INT_H */ |