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Commit | Line | Data |
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faf07963 PB |
1 | #ifndef BLOCK_H |
2 | #define BLOCK_H | |
3 | ||
a76bab49 | 4 | #include "qemu-aio.h" |
3b69e4b9 | 5 | #include "qemu-common.h" |
0e7e1989 | 6 | #include "qemu-option.h" |
da1fa91d | 7 | #include "qemu-coroutine.h" |
d15e5465 | 8 | #include "qobject.h" |
a76bab49 | 9 | |
faf07963 | 10 | /* block.c */ |
faf07963 PB |
11 | typedef struct BlockDriver BlockDriver; |
12 | ||
faf07963 PB |
13 | typedef struct BlockDriverInfo { |
14 | /* in bytes, 0 if irrelevant */ | |
15 | int cluster_size; | |
16 | /* offset at which the VM state can be saved (0 if not possible) */ | |
17 | int64_t vm_state_offset; | |
64c79160 | 18 | bool is_dirty; |
faf07963 PB |
19 | } BlockDriverInfo; |
20 | ||
f8111c24 DXW |
21 | typedef struct BlockFragInfo { |
22 | uint64_t allocated_clusters; | |
23 | uint64_t total_clusters; | |
24 | uint64_t fragmented_clusters; | |
25 | } BlockFragInfo; | |
26 | ||
faf07963 PB |
27 | typedef struct QEMUSnapshotInfo { |
28 | char id_str[128]; /* unique snapshot id */ | |
29 | /* the following fields are informative. They are not needed for | |
30 | the consistency of the snapshot */ | |
e7d81004 | 31 | char name[256]; /* user chosen name */ |
c2c9a466 | 32 | uint64_t vm_state_size; /* VM state info size */ |
faf07963 PB |
33 | uint32_t date_sec; /* UTC date of the snapshot */ |
34 | uint32_t date_nsec; | |
35 | uint64_t vm_clock_nsec; /* VM clock relative to boot */ | |
36 | } QEMUSnapshotInfo; | |
37 | ||
145feb17 | 38 | /* Callbacks for block device models */ |
0e49de52 | 39 | typedef struct BlockDevOps { |
145feb17 MA |
40 | /* |
41 | * Runs when virtual media changed (monitor commands eject, change) | |
7d4b4ba5 | 42 | * Argument load is true on load and false on eject. |
145feb17 MA |
43 | * Beware: doesn't run when a host device's physical media |
44 | * changes. Sure would be useful if it did. | |
2c6942fa | 45 | * Device models with removable media must implement this callback. |
145feb17 | 46 | */ |
7d4b4ba5 | 47 | void (*change_media_cb)(void *opaque, bool load); |
025ccaa7 PB |
48 | /* |
49 | * Runs when an eject request is issued from the monitor, the tray | |
50 | * is closed, and the medium is locked. | |
51 | * Device models that do not implement is_medium_locked will not need | |
52 | * this callback. Device models that can lock the medium or tray might | |
53 | * want to implement the callback and unlock the tray when "force" is | |
54 | * true, even if they do not support eject requests. | |
55 | */ | |
56 | void (*eject_request_cb)(void *opaque, bool force); | |
e4def80b MA |
57 | /* |
58 | * Is the virtual tray open? | |
59 | * Device models implement this only when the device has a tray. | |
60 | */ | |
61 | bool (*is_tray_open)(void *opaque); | |
f107639a MA |
62 | /* |
63 | * Is the virtual medium locked into the device? | |
64 | * Device models implement this only when device has such a lock. | |
65 | */ | |
66 | bool (*is_medium_locked)(void *opaque); | |
145feb17 MA |
67 | /* |
68 | * Runs when the size changed (e.g. monitor command block_resize) | |
69 | */ | |
70 | void (*resize_cb)(void *opaque); | |
0e49de52 MA |
71 | } BlockDevOps; |
72 | ||
faf07963 | 73 | #define BDRV_O_RDWR 0x0002 |
faf07963 | 74 | #define BDRV_O_SNAPSHOT 0x0008 /* open the file read only and save writes in a snapshot */ |
9f7965c7 AL |
75 | #define BDRV_O_NOCACHE 0x0020 /* do not use the host page cache */ |
76 | #define BDRV_O_CACHE_WB 0x0040 /* use write-back caching */ | |
5c6c3a6c | 77 | #define BDRV_O_NATIVE_AIO 0x0080 /* use native AIO instead of the thread pool */ |
b783e409 | 78 | #define BDRV_O_NO_BACKING 0x0100 /* don't open the backing file */ |
016f5cf6 | 79 | #define BDRV_O_NO_FLUSH 0x0200 /* disable flushing on this disk */ |
53fec9d3 | 80 | #define BDRV_O_COPY_ON_READ 0x0400 /* copy read backing sectors into image */ |
ccb1f4a7 | 81 | #define BDRV_O_INCOMING 0x0800 /* consistency hint for incoming migration */ |
058f8f16 | 82 | #define BDRV_O_CHECK 0x1000 /* open solely for consistency check */ |
be028adc | 83 | #define BDRV_O_ALLOW_RDWR 0x2000 /* allow reopen to change from r/o to r/w */ |
9f7965c7 | 84 | |
ceb25e5c | 85 | #define BDRV_O_CACHE_MASK (BDRV_O_NOCACHE | BDRV_O_CACHE_WB | BDRV_O_NO_FLUSH) |
faf07963 | 86 | |
6ea44308 | 87 | #define BDRV_SECTOR_BITS 9 |
c63782cb | 88 | #define BDRV_SECTOR_SIZE (1ULL << BDRV_SECTOR_BITS) |
3abbc4d9 | 89 | #define BDRV_SECTOR_MASK ~(BDRV_SECTOR_SIZE - 1) |
6ea44308 | 90 | |
abd7f68d MA |
91 | typedef enum { |
92 | BLOCK_ERR_REPORT, BLOCK_ERR_IGNORE, BLOCK_ERR_STOP_ENOSPC, | |
93 | BLOCK_ERR_STOP_ANY | |
94 | } BlockErrorAction; | |
95 | ||
2582bfed LC |
96 | typedef enum { |
97 | BDRV_ACTION_REPORT, BDRV_ACTION_IGNORE, BDRV_ACTION_STOP | |
329c0a48 | 98 | } BlockQMPEventAction; |
2582bfed | 99 | |
e971aa12 JC |
100 | typedef QSIMPLEQ_HEAD(BlockReopenQueue, BlockReopenQueueEntry) BlockReopenQueue; |
101 | ||
102 | typedef struct BDRVReopenState { | |
103 | BlockDriverState *bs; | |
104 | int flags; | |
105 | void *opaque; | |
106 | } BDRVReopenState; | |
107 | ||
108 | ||
28a7282a LC |
109 | void bdrv_iostatus_enable(BlockDriverState *bs); |
110 | void bdrv_iostatus_reset(BlockDriverState *bs); | |
111 | void bdrv_iostatus_disable(BlockDriverState *bs); | |
112 | bool bdrv_iostatus_is_enabled(const BlockDriverState *bs); | |
113 | void bdrv_iostatus_set_err(BlockDriverState *bs, int error); | |
329c0a48 LC |
114 | void bdrv_emit_qmp_error_event(const BlockDriverState *bdrv, |
115 | BlockQMPEventAction action, int is_read); | |
d15e5465 LC |
116 | void bdrv_info_print(Monitor *mon, const QObject *data); |
117 | void bdrv_info(Monitor *mon, QObject **ret_data); | |
218a536a LC |
118 | void bdrv_stats_print(Monitor *mon, const QObject *data); |
119 | void bdrv_info_stats(Monitor *mon, QObject **ret_data); | |
faf07963 | 120 | |
0563e191 ZYW |
121 | /* disk I/O throttling */ |
122 | void bdrv_io_limits_enable(BlockDriverState *bs); | |
98f90dba | 123 | void bdrv_io_limits_disable(BlockDriverState *bs); |
0563e191 ZYW |
124 | bool bdrv_io_limits_enabled(BlockDriverState *bs); |
125 | ||
faf07963 | 126 | void bdrv_init(void); |
eb852011 | 127 | void bdrv_init_with_whitelist(void); |
b50cbabc | 128 | BlockDriver *bdrv_find_protocol(const char *filename); |
faf07963 | 129 | BlockDriver *bdrv_find_format(const char *format_name); |
eb852011 | 130 | BlockDriver *bdrv_find_whitelisted_format(const char *format_name); |
0e7e1989 KW |
131 | int bdrv_create(BlockDriver *drv, const char* filename, |
132 | QEMUOptionParameter *options); | |
84a12e66 | 133 | int bdrv_create_file(const char* filename, QEMUOptionParameter *options); |
faf07963 | 134 | BlockDriverState *bdrv_new(const char *device_name); |
d22b2f41 | 135 | void bdrv_make_anon(BlockDriverState *bs); |
4ddc07ca | 136 | void bdrv_swap(BlockDriverState *bs_new, BlockDriverState *bs_old); |
8802d1fd | 137 | void bdrv_append(BlockDriverState *bs_new, BlockDriverState *bs_top); |
faf07963 | 138 | void bdrv_delete(BlockDriverState *bs); |
c3993cdc | 139 | int bdrv_parse_cache_flags(const char *mode, int *flags); |
faf07963 | 140 | int bdrv_file_open(BlockDriverState **pbs, const char *filename, int flags); |
d6e9098e KW |
141 | int bdrv_open(BlockDriverState *bs, const char *filename, int flags, |
142 | BlockDriver *drv); | |
e971aa12 JC |
143 | BlockReopenQueue *bdrv_reopen_queue(BlockReopenQueue *bs_queue, |
144 | BlockDriverState *bs, int flags); | |
145 | int bdrv_reopen_multiple(BlockReopenQueue *bs_queue, Error **errp); | |
146 | int bdrv_reopen(BlockDriverState *bs, int bdrv_flags, Error **errp); | |
147 | int bdrv_reopen_prepare(BDRVReopenState *reopen_state, | |
148 | BlockReopenQueue *queue, Error **errp); | |
149 | void bdrv_reopen_commit(BDRVReopenState *reopen_state); | |
150 | void bdrv_reopen_abort(BDRVReopenState *reopen_state); | |
faf07963 | 151 | void bdrv_close(BlockDriverState *bs); |
fa879d62 MA |
152 | int bdrv_attach_dev(BlockDriverState *bs, void *dev); |
153 | void bdrv_attach_dev_nofail(BlockDriverState *bs, void *dev); | |
154 | void bdrv_detach_dev(BlockDriverState *bs, void *dev); | |
155 | void *bdrv_get_attached_dev(BlockDriverState *bs); | |
0e49de52 MA |
156 | void bdrv_set_dev_ops(BlockDriverState *bs, const BlockDevOps *ops, |
157 | void *opaque); | |
025ccaa7 | 158 | void bdrv_dev_eject_request(BlockDriverState *bs, bool force); |
2c6942fa | 159 | bool bdrv_dev_has_removable_media(BlockDriverState *bs); |
e4def80b | 160 | bool bdrv_dev_is_tray_open(BlockDriverState *bs); |
f107639a | 161 | bool bdrv_dev_is_medium_locked(BlockDriverState *bs); |
faf07963 PB |
162 | int bdrv_read(BlockDriverState *bs, int64_t sector_num, |
163 | uint8_t *buf, int nb_sectors); | |
07d27a44 MA |
164 | int bdrv_read_unthrottled(BlockDriverState *bs, int64_t sector_num, |
165 | uint8_t *buf, int nb_sectors); | |
faf07963 PB |
166 | int bdrv_write(BlockDriverState *bs, int64_t sector_num, |
167 | const uint8_t *buf, int nb_sectors); | |
168 | int bdrv_pread(BlockDriverState *bs, int64_t offset, | |
169 | void *buf, int count); | |
170 | int bdrv_pwrite(BlockDriverState *bs, int64_t offset, | |
171 | const void *buf, int count); | |
f08145fe KW |
172 | int bdrv_pwrite_sync(BlockDriverState *bs, int64_t offset, |
173 | const void *buf, int count); | |
da1fa91d KW |
174 | int coroutine_fn bdrv_co_readv(BlockDriverState *bs, int64_t sector_num, |
175 | int nb_sectors, QEMUIOVector *qiov); | |
470c0504 SH |
176 | int coroutine_fn bdrv_co_copy_on_readv(BlockDriverState *bs, |
177 | int64_t sector_num, int nb_sectors, QEMUIOVector *qiov); | |
da1fa91d KW |
178 | int coroutine_fn bdrv_co_writev(BlockDriverState *bs, int64_t sector_num, |
179 | int nb_sectors, QEMUIOVector *qiov); | |
f08f2dda SH |
180 | /* |
181 | * Efficiently zero a region of the disk image. Note that this is a regular | |
182 | * I/O request like read or write and should have a reasonable size. This | |
183 | * function is not suitable for zeroing the entire image in a single request | |
184 | * because it may allocate memory for the entire region. | |
185 | */ | |
186 | int coroutine_fn bdrv_co_write_zeroes(BlockDriverState *bs, int64_t sector_num, | |
187 | int nb_sectors); | |
060f51c9 SH |
188 | int coroutine_fn bdrv_co_is_allocated(BlockDriverState *bs, int64_t sector_num, |
189 | int nb_sectors, int *pnum); | |
188a7bbf PB |
190 | int coroutine_fn bdrv_co_is_allocated_above(BlockDriverState *top, |
191 | BlockDriverState *base, | |
192 | int64_t sector_num, | |
193 | int nb_sectors, int *pnum); | |
e8a6bb9c MT |
194 | BlockDriverState *bdrv_find_backing_image(BlockDriverState *bs, |
195 | const char *backing_file); | |
f198fd1c | 196 | int bdrv_get_backing_file_depth(BlockDriverState *bs); |
faf07963 PB |
197 | int bdrv_truncate(BlockDriverState *bs, int64_t offset); |
198 | int64_t bdrv_getlength(BlockDriverState *bs); | |
4a1d5e1f | 199 | int64_t bdrv_get_allocated_file_size(BlockDriverState *bs); |
96b8f136 | 200 | void bdrv_get_geometry(BlockDriverState *bs, uint64_t *nb_sectors_ptr); |
faf07963 | 201 | int bdrv_commit(BlockDriverState *bs); |
e8877497 | 202 | int bdrv_commit_all(void); |
756e6736 KW |
203 | int bdrv_change_backing_file(BlockDriverState *bs, |
204 | const char *backing_file, const char *backing_fmt); | |
5efa9d5a AL |
205 | void bdrv_register(BlockDriver *bdrv); |
206 | ||
e076f338 KW |
207 | |
208 | typedef struct BdrvCheckResult { | |
209 | int corruptions; | |
210 | int leaks; | |
211 | int check_errors; | |
ccf34716 KW |
212 | int corruptions_fixed; |
213 | int leaks_fixed; | |
f8111c24 | 214 | BlockFragInfo bfi; |
e076f338 KW |
215 | } BdrvCheckResult; |
216 | ||
4534ff54 KW |
217 | typedef enum { |
218 | BDRV_FIX_LEAKS = 1, | |
219 | BDRV_FIX_ERRORS = 2, | |
220 | } BdrvCheckMode; | |
221 | ||
222 | int bdrv_check(BlockDriverState *bs, BdrvCheckResult *res, BdrvCheckMode fix); | |
e076f338 | 223 | |
faf07963 | 224 | /* async block I/O */ |
7cd1e32a | 225 | typedef void BlockDriverDirtyHandler(BlockDriverState *bs, int64_t sector, |
39aa9a12 | 226 | int sector_num); |
3b69e4b9 AL |
227 | BlockDriverAIOCB *bdrv_aio_readv(BlockDriverState *bs, int64_t sector_num, |
228 | QEMUIOVector *iov, int nb_sectors, | |
229 | BlockDriverCompletionFunc *cb, void *opaque); | |
230 | BlockDriverAIOCB *bdrv_aio_writev(BlockDriverState *bs, int64_t sector_num, | |
231 | QEMUIOVector *iov, int nb_sectors, | |
232 | BlockDriverCompletionFunc *cb, void *opaque); | |
b2e12bc6 | 233 | BlockDriverAIOCB *bdrv_aio_flush(BlockDriverState *bs, |
39aa9a12 | 234 | BlockDriverCompletionFunc *cb, void *opaque); |
4265d620 PB |
235 | BlockDriverAIOCB *bdrv_aio_discard(BlockDriverState *bs, |
236 | int64_t sector_num, int nb_sectors, | |
237 | BlockDriverCompletionFunc *cb, void *opaque); | |
faf07963 PB |
238 | void bdrv_aio_cancel(BlockDriverAIOCB *acb); |
239 | ||
40b4f539 KW |
240 | typedef struct BlockRequest { |
241 | /* Fields to be filled by multiwrite caller */ | |
242 | int64_t sector; | |
243 | int nb_sectors; | |
244 | QEMUIOVector *qiov; | |
245 | BlockDriverCompletionFunc *cb; | |
246 | void *opaque; | |
247 | ||
248 | /* Filled by multiwrite implementation */ | |
249 | int error; | |
250 | } BlockRequest; | |
251 | ||
252 | int bdrv_aio_multiwrite(BlockDriverState *bs, BlockRequest *reqs, | |
253 | int num_reqs); | |
254 | ||
7d780669 | 255 | /* sg packet commands */ |
221f715d AL |
256 | int bdrv_ioctl(BlockDriverState *bs, unsigned long int req, void *buf); |
257 | BlockDriverAIOCB *bdrv_aio_ioctl(BlockDriverState *bs, | |
258 | unsigned long int req, void *buf, | |
259 | BlockDriverCompletionFunc *cb, void *opaque); | |
7d780669 | 260 | |
0f15423c AL |
261 | /* Invalidate any cached metadata used by image formats */ |
262 | void bdrv_invalidate_cache(BlockDriverState *bs); | |
263 | void bdrv_invalidate_cache_all(void); | |
264 | ||
07789269 BC |
265 | void bdrv_clear_incoming_migration_all(void); |
266 | ||
faf07963 | 267 | /* Ensure contents are flushed to disk. */ |
205ef796 | 268 | int bdrv_flush(BlockDriverState *bs); |
07f07615 | 269 | int coroutine_fn bdrv_co_flush(BlockDriverState *bs); |
c6ca28d6 | 270 | void bdrv_flush_all(void); |
2bc93fed | 271 | void bdrv_close_all(void); |
922453bc | 272 | void bdrv_drain_all(void); |
c6ca28d6 | 273 | |
bb8bf76f | 274 | int bdrv_discard(BlockDriverState *bs, int64_t sector_num, int nb_sectors); |
4265d620 | 275 | int bdrv_co_discard(BlockDriverState *bs, int64_t sector_num, int nb_sectors); |
f2feebbd | 276 | int bdrv_has_zero_init(BlockDriverState *bs); |
f58c7b35 | 277 | int bdrv_is_allocated(BlockDriverState *bs, int64_t sector_num, int nb_sectors, |
39aa9a12 | 278 | int *pnum); |
faf07963 | 279 | |
abd7f68d MA |
280 | void bdrv_set_on_error(BlockDriverState *bs, BlockErrorAction on_read_error, |
281 | BlockErrorAction on_write_error); | |
282 | BlockErrorAction bdrv_get_on_error(BlockDriverState *bs, int is_read); | |
faf07963 | 283 | int bdrv_is_read_only(BlockDriverState *bs); |
985a03b0 | 284 | int bdrv_is_sg(BlockDriverState *bs); |
e900a7b7 | 285 | int bdrv_enable_write_cache(BlockDriverState *bs); |
425b0148 | 286 | void bdrv_set_enable_write_cache(BlockDriverState *bs, bool wce); |
faf07963 PB |
287 | int bdrv_is_inserted(BlockDriverState *bs); |
288 | int bdrv_media_changed(BlockDriverState *bs); | |
025e849a | 289 | void bdrv_lock_medium(BlockDriverState *bs, bool locked); |
f36f3949 | 290 | void bdrv_eject(BlockDriverState *bs, bool eject_flag); |
f8d6bba1 | 291 | const char *bdrv_get_format_name(BlockDriverState *bs); |
faf07963 | 292 | BlockDriverState *bdrv_find(const char *name); |
2f399b0a | 293 | BlockDriverState *bdrv_next(BlockDriverState *bs); |
51de9760 AL |
294 | void bdrv_iterate(void (*it)(void *opaque, BlockDriverState *bs), |
295 | void *opaque); | |
faf07963 | 296 | int bdrv_is_encrypted(BlockDriverState *bs); |
c0f4ce77 | 297 | int bdrv_key_required(BlockDriverState *bs); |
faf07963 | 298 | int bdrv_set_key(BlockDriverState *bs, const char *key); |
c0f4ce77 | 299 | int bdrv_query_missing_keys(void); |
faf07963 PB |
300 | void bdrv_iterate_format(void (*it)(void *opaque, const char *name), |
301 | void *opaque); | |
302 | const char *bdrv_get_device_name(BlockDriverState *bs); | |
c8433287 | 303 | int bdrv_get_flags(BlockDriverState *bs); |
faf07963 PB |
304 | int bdrv_write_compressed(BlockDriverState *bs, int64_t sector_num, |
305 | const uint8_t *buf, int nb_sectors); | |
306 | int bdrv_get_info(BlockDriverState *bs, BlockDriverInfo *bdi); | |
307 | ||
045df330 | 308 | const char *bdrv_get_encrypted_filename(BlockDriverState *bs); |
faf07963 PB |
309 | void bdrv_get_backing_filename(BlockDriverState *bs, |
310 | char *filename, int filename_size); | |
dc5a1371 PB |
311 | void bdrv_get_full_backing_filename(BlockDriverState *bs, |
312 | char *dest, size_t sz); | |
feeee5ac | 313 | int bdrv_can_snapshot(BlockDriverState *bs); |
199630b6 | 314 | int bdrv_is_snapshot(BlockDriverState *bs); |
f9092b10 | 315 | BlockDriverState *bdrv_snapshots(void); |
faf07963 PB |
316 | int bdrv_snapshot_create(BlockDriverState *bs, |
317 | QEMUSnapshotInfo *sn_info); | |
318 | int bdrv_snapshot_goto(BlockDriverState *bs, | |
319 | const char *snapshot_id); | |
320 | int bdrv_snapshot_delete(BlockDriverState *bs, const char *snapshot_id); | |
321 | int bdrv_snapshot_list(BlockDriverState *bs, | |
322 | QEMUSnapshotInfo **psn_info); | |
51ef6727 | 323 | int bdrv_snapshot_load_tmp(BlockDriverState *bs, |
324 | const char *snapshot_name); | |
faf07963 PB |
325 | char *bdrv_snapshot_dump(char *buf, int buf_size, QEMUSnapshotInfo *sn); |
326 | ||
327 | char *get_human_readable_size(char *buf, int buf_size, int64_t size); | |
328 | int path_is_absolute(const char *path); | |
329 | void path_combine(char *dest, int dest_size, | |
330 | const char *base_path, | |
331 | const char *filename); | |
332 | ||
45566e9c CH |
333 | int bdrv_save_vmstate(BlockDriverState *bs, const uint8_t *buf, |
334 | int64_t pos, int size); | |
178e08a5 | 335 | |
45566e9c CH |
336 | int bdrv_load_vmstate(BlockDriverState *bs, uint8_t *buf, |
337 | int64_t pos, int size); | |
178e08a5 | 338 | |
f88e1a42 JS |
339 | int bdrv_img_create(const char *filename, const char *fmt, |
340 | const char *base_filename, const char *base_fmt, | |
341 | char *options, uint64_t img_size, int flags); | |
342 | ||
7b6f9300 | 343 | void bdrv_set_buffer_alignment(BlockDriverState *bs, int align); |
ba5b7ad4 MA |
344 | void *qemu_blockalign(BlockDriverState *bs, size_t size); |
345 | ||
23bd90d2 | 346 | #define BDRV_SECTORS_PER_DIRTY_CHUNK 2048 |
6ea44308 | 347 | |
7cd1e32a | 348 | void bdrv_set_dirty_tracking(BlockDriverState *bs, int enable); |
349 | int bdrv_get_dirty(BlockDriverState *bs, int64_t sector); | |
a55eb92c JK |
350 | void bdrv_reset_dirty(BlockDriverState *bs, int64_t cur_sector, |
351 | int nr_sectors); | |
aaa0eb75 | 352 | int64_t bdrv_get_dirty_count(BlockDriverState *bs); |
8b9b0cc2 | 353 | |
53fec9d3 SH |
354 | void bdrv_enable_copy_on_read(BlockDriverState *bs); |
355 | void bdrv_disable_copy_on_read(BlockDriverState *bs); | |
356 | ||
db593f25 MT |
357 | void bdrv_set_in_use(BlockDriverState *bs, int in_use); |
358 | int bdrv_in_use(BlockDriverState *bs); | |
8b9b0cc2 | 359 | |
a597e79c CH |
360 | enum BlockAcctType { |
361 | BDRV_ACCT_READ, | |
362 | BDRV_ACCT_WRITE, | |
363 | BDRV_ACCT_FLUSH, | |
364 | BDRV_MAX_IOTYPE, | |
365 | }; | |
366 | ||
367 | typedef struct BlockAcctCookie { | |
368 | int64_t bytes; | |
c488c7f6 | 369 | int64_t start_time_ns; |
a597e79c CH |
370 | enum BlockAcctType type; |
371 | } BlockAcctCookie; | |
372 | ||
373 | void bdrv_acct_start(BlockDriverState *bs, BlockAcctCookie *cookie, | |
374 | int64_t bytes, enum BlockAcctType type); | |
375 | void bdrv_acct_done(BlockDriverState *bs, BlockAcctCookie *cookie); | |
376 | ||
8b9b0cc2 | 377 | typedef enum { |
8252278a KW |
378 | BLKDBG_L1_UPDATE, |
379 | ||
380 | BLKDBG_L1_GROW_ALLOC_TABLE, | |
381 | BLKDBG_L1_GROW_WRITE_TABLE, | |
382 | BLKDBG_L1_GROW_ACTIVATE_TABLE, | |
383 | ||
384 | BLKDBG_L2_LOAD, | |
385 | BLKDBG_L2_UPDATE, | |
386 | BLKDBG_L2_UPDATE_COMPRESSED, | |
387 | BLKDBG_L2_ALLOC_COW_READ, | |
388 | BLKDBG_L2_ALLOC_WRITE, | |
389 | ||
8252278a | 390 | BLKDBG_READ_AIO, |
8252278a KW |
391 | BLKDBG_READ_BACKING_AIO, |
392 | BLKDBG_READ_COMPRESSED, | |
393 | ||
394 | BLKDBG_WRITE_AIO, | |
395 | BLKDBG_WRITE_COMPRESSED, | |
396 | ||
397 | BLKDBG_VMSTATE_LOAD, | |
398 | BLKDBG_VMSTATE_SAVE, | |
399 | ||
400 | BLKDBG_COW_READ, | |
401 | BLKDBG_COW_WRITE, | |
402 | ||
403 | BLKDBG_REFTABLE_LOAD, | |
404 | BLKDBG_REFTABLE_GROW, | |
405 | ||
406 | BLKDBG_REFBLOCK_LOAD, | |
407 | BLKDBG_REFBLOCK_UPDATE, | |
408 | BLKDBG_REFBLOCK_UPDATE_PART, | |
409 | BLKDBG_REFBLOCK_ALLOC, | |
410 | BLKDBG_REFBLOCK_ALLOC_HOOKUP, | |
411 | BLKDBG_REFBLOCK_ALLOC_WRITE, | |
412 | BLKDBG_REFBLOCK_ALLOC_WRITE_BLOCKS, | |
413 | BLKDBG_REFBLOCK_ALLOC_WRITE_TABLE, | |
414 | BLKDBG_REFBLOCK_ALLOC_SWITCH_TABLE, | |
415 | ||
416 | BLKDBG_CLUSTER_ALLOC, | |
417 | BLKDBG_CLUSTER_ALLOC_BYTES, | |
418 | BLKDBG_CLUSTER_FREE, | |
419 | ||
8b9b0cc2 KW |
420 | BLKDBG_EVENT_MAX, |
421 | } BlkDebugEvent; | |
422 | ||
423 | #define BLKDBG_EVENT(bs, evt) bdrv_debug_event(bs, evt) | |
424 | void bdrv_debug_event(BlockDriverState *bs, BlkDebugEvent event); | |
425 | ||
8a4bc5aa | 426 | #endif |