* THE SOFTWARE.
*/
-#include "qemu-common.h"
+#include "qemu/osdep.h"
+#include "qapi/error.h"
+#include "qemu/cutils.h"
#include "qemu/config-file.h"
#include "block/block_int.h"
#include "qemu/module.h"
#include "qapi/qmp/qdict.h"
#include "qapi/qmp/qint.h"
#include "qapi/qmp/qstring.h"
+#include "sysemu/qtest.h"
typedef struct BDRVBlkdebugState {
int state;
int new_state;
- QLIST_HEAD(, BlkdebugRule) rules[BLKDBG_EVENT_MAX];
+ QLIST_HEAD(, BlkdebugRule) rules[BLKDBG__MAX];
QSIMPLEQ_HEAD(, BlkdebugRule) active_rules;
QLIST_HEAD(, BlkdebugSuspendedReq) suspended_reqs;
} BDRVBlkdebugState;
};
typedef struct BlkdebugRule {
- BlkDebugEvent event;
+ BlkdebugEvent event;
int action;
int state;
union {
NULL
};
-static const char *event_names[BLKDBG_EVENT_MAX] = {
- [BLKDBG_L1_UPDATE] = "l1_update",
- [BLKDBG_L1_GROW_ALLOC_TABLE] = "l1_grow.alloc_table",
- [BLKDBG_L1_GROW_WRITE_TABLE] = "l1_grow.write_table",
- [BLKDBG_L1_GROW_ACTIVATE_TABLE] = "l1_grow.activate_table",
-
- [BLKDBG_L2_LOAD] = "l2_load",
- [BLKDBG_L2_UPDATE] = "l2_update",
- [BLKDBG_L2_UPDATE_COMPRESSED] = "l2_update_compressed",
- [BLKDBG_L2_ALLOC_COW_READ] = "l2_alloc.cow_read",
- [BLKDBG_L2_ALLOC_WRITE] = "l2_alloc.write",
-
- [BLKDBG_READ_AIO] = "read_aio",
- [BLKDBG_READ_BACKING_AIO] = "read_backing_aio",
- [BLKDBG_READ_COMPRESSED] = "read_compressed",
-
- [BLKDBG_WRITE_AIO] = "write_aio",
- [BLKDBG_WRITE_COMPRESSED] = "write_compressed",
-
- [BLKDBG_VMSTATE_LOAD] = "vmstate_load",
- [BLKDBG_VMSTATE_SAVE] = "vmstate_save",
-
- [BLKDBG_COW_READ] = "cow_read",
- [BLKDBG_COW_WRITE] = "cow_write",
-
- [BLKDBG_REFTABLE_LOAD] = "reftable_load",
- [BLKDBG_REFTABLE_GROW] = "reftable_grow",
- [BLKDBG_REFTABLE_UPDATE] = "reftable_update",
-
- [BLKDBG_REFBLOCK_LOAD] = "refblock_load",
- [BLKDBG_REFBLOCK_UPDATE] = "refblock_update",
- [BLKDBG_REFBLOCK_UPDATE_PART] = "refblock_update_part",
- [BLKDBG_REFBLOCK_ALLOC] = "refblock_alloc",
- [BLKDBG_REFBLOCK_ALLOC_HOOKUP] = "refblock_alloc.hookup",
- [BLKDBG_REFBLOCK_ALLOC_WRITE] = "refblock_alloc.write",
- [BLKDBG_REFBLOCK_ALLOC_WRITE_BLOCKS] = "refblock_alloc.write_blocks",
- [BLKDBG_REFBLOCK_ALLOC_WRITE_TABLE] = "refblock_alloc.write_table",
- [BLKDBG_REFBLOCK_ALLOC_SWITCH_TABLE] = "refblock_alloc.switch_table",
-
- [BLKDBG_CLUSTER_ALLOC] = "cluster_alloc",
- [BLKDBG_CLUSTER_ALLOC_BYTES] = "cluster_alloc_bytes",
- [BLKDBG_CLUSTER_FREE] = "cluster_free",
-
- [BLKDBG_FLUSH_TO_OS] = "flush_to_os",
- [BLKDBG_FLUSH_TO_DISK] = "flush_to_disk",
-
- [BLKDBG_PWRITEV_RMW_HEAD] = "pwritev_rmw.head",
- [BLKDBG_PWRITEV_RMW_AFTER_HEAD] = "pwritev_rmw.after_head",
- [BLKDBG_PWRITEV_RMW_TAIL] = "pwritev_rmw.tail",
- [BLKDBG_PWRITEV_RMW_AFTER_TAIL] = "pwritev_rmw.after_tail",
- [BLKDBG_PWRITEV] = "pwritev",
- [BLKDBG_PWRITEV_ZERO] = "pwritev_zero",
- [BLKDBG_PWRITEV_DONE] = "pwritev_done",
-
- [BLKDBG_EMPTY_IMAGE_PREPARE] = "empty_image_prepare",
-};
-
-static int get_event_by_name(const char *name, BlkDebugEvent *event)
+static int get_event_by_name(const char *name, BlkdebugEvent *event)
{
int i;
- for (i = 0; i < BLKDBG_EVENT_MAX; i++) {
- if (!strcmp(event_names[i], name)) {
+ for (i = 0; i < BLKDBG__MAX; i++) {
+ if (!strcmp(BlkdebugEvent_lookup[i], name)) {
*event = i;
return 0;
}
struct add_rule_data *d = opaque;
BDRVBlkdebugState *s = d->s;
const char* event_name;
- BlkDebugEvent event;
+ BlkdebugEvent event;
struct BlkdebugRule *rule;
/* Find the right event for the rule */
/* Set initial state */
s->state = 1;
- /* Open the backing file */
- assert(bs->file == NULL);
- ret = bdrv_open_image(&bs->file, qemu_opt_get(opts, "x-image"), options, "image",
- bs, &child_file, false, &local_err);
- if (ret < 0) {
+ /* Open the image file */
+ bs->file = bdrv_open_child(qemu_opt_get(opts, "x-image"), options, "image",
+ bs, &child_file, false, &local_err);
+ if (local_err) {
+ ret = -EINVAL;
error_propagate(errp, local_err);
goto out;
}
goto out;
fail_unref:
- bdrv_unref(bs->file);
+ bdrv_unref_child(bs, bs->file);
out:
qemu_opts_del(opts);
return ret;
return inject_error(bs, cb, opaque, rule);
}
- return bdrv_aio_readv(bs->file, sector_num, qiov, nb_sectors, cb, opaque);
+ return bdrv_aio_readv(bs->file->bs, sector_num, qiov, nb_sectors,
+ cb, opaque);
}
static BlockAIOCB *blkdebug_aio_writev(BlockDriverState *bs,
return inject_error(bs, cb, opaque, rule);
}
- return bdrv_aio_writev(bs->file, sector_num, qiov, nb_sectors, cb, opaque);
+ return bdrv_aio_writev(bs->file->bs, sector_num, qiov, nb_sectors,
+ cb, opaque);
}
static BlockAIOCB *blkdebug_aio_flush(BlockDriverState *bs,
return inject_error(bs, cb, opaque, rule);
}
- return bdrv_aio_flush(bs->file, cb, opaque);
+ return bdrv_aio_flush(bs->file->bs, cb, opaque);
}
BlkdebugRule *rule, *next;
int i;
- for (i = 0; i < BLKDBG_EVENT_MAX; i++) {
+ for (i = 0; i < BLKDBG__MAX; i++) {
QLIST_FOREACH_SAFE(rule, &s->rules[i], next, next) {
remove_rule(rule);
}
remove_rule(rule);
QLIST_INSERT_HEAD(&s->suspended_reqs, &r, next);
- printf("blkdebug: Suspended request '%s'\n", r.tag);
+ if (!qtest_enabled()) {
+ printf("blkdebug: Suspended request '%s'\n", r.tag);
+ }
qemu_coroutine_yield();
- printf("blkdebug: Resuming request '%s'\n", r.tag);
+ if (!qtest_enabled()) {
+ printf("blkdebug: Resuming request '%s'\n", r.tag);
+ }
QLIST_REMOVE(&r, next);
g_free(r.tag);
return injected;
}
-static void blkdebug_debug_event(BlockDriverState *bs, BlkDebugEvent event)
+static void blkdebug_debug_event(BlockDriverState *bs, BlkdebugEvent event)
{
BDRVBlkdebugState *s = bs->opaque;
struct BlkdebugRule *rule, *next;
bool injected;
- assert((int)event >= 0 && event < BLKDBG_EVENT_MAX);
+ assert((int)event >= 0 && event < BLKDBG__MAX);
injected = false;
s->new_state = s->state;
{
BDRVBlkdebugState *s = bs->opaque;
struct BlkdebugRule *rule;
- BlkDebugEvent blkdebug_event;
+ BlkdebugEvent blkdebug_event;
if (get_event_by_name(event, &blkdebug_event) < 0) {
return -ENOENT;
BlkdebugRule *rule, *next;
int i, ret = -ENOENT;
- for (i = 0; i < BLKDBG_EVENT_MAX; i++) {
+ for (i = 0; i < BLKDBG__MAX; i++) {
QLIST_FOREACH_SAFE(rule, &s->rules[i], next, next) {
if (rule->action == ACTION_SUSPEND &&
!strcmp(rule->options.suspend.tag, tag)) {
static int64_t blkdebug_getlength(BlockDriverState *bs)
{
- return bdrv_getlength(bs->file);
+ return bdrv_getlength(bs->file->bs);
}
static int blkdebug_truncate(BlockDriverState *bs, int64_t offset)
{
- return bdrv_truncate(bs->file, offset);
+ return bdrv_truncate(bs->file->bs, offset);
}
-static void blkdebug_refresh_filename(BlockDriverState *bs)
+static void blkdebug_refresh_filename(BlockDriverState *bs, QDict *options)
{
QDict *opts;
const QDictEntry *e;
bool force_json = false;
- for (e = qdict_first(bs->options); e; e = qdict_next(bs->options, e)) {
+ for (e = qdict_first(options); e; e = qdict_next(options, e)) {
if (strcmp(qdict_entry_key(e), "config") &&
- strcmp(qdict_entry_key(e), "x-image") &&
- strcmp(qdict_entry_key(e), "image") &&
- strncmp(qdict_entry_key(e), "image.", strlen("image.")))
+ strcmp(qdict_entry_key(e), "x-image"))
{
force_json = true;
break;
}
}
- if (force_json && !bs->file->full_open_options) {
+ if (force_json && !bs->file->bs->full_open_options) {
/* The config file cannot be recreated, so creating a plain filename
* is impossible */
return;
}
- if (!force_json && bs->file->exact_filename[0]) {
+ if (!force_json && bs->file->bs->exact_filename[0]) {
snprintf(bs->exact_filename, sizeof(bs->exact_filename),
"blkdebug:%s:%s",
- qdict_get_try_str(bs->options, "config") ?: "",
- bs->file->exact_filename);
+ qdict_get_try_str(options, "config") ?: "",
+ bs->file->bs->exact_filename);
}
opts = qdict_new();
qdict_put_obj(opts, "driver", QOBJECT(qstring_from_str("blkdebug")));
- QINCREF(bs->file->full_open_options);
- qdict_put_obj(opts, "image", QOBJECT(bs->file->full_open_options));
+ QINCREF(bs->file->bs->full_open_options);
+ qdict_put_obj(opts, "image", QOBJECT(bs->file->bs->full_open_options));
- for (e = qdict_first(bs->options); e; e = qdict_next(bs->options, e)) {
- if (strcmp(qdict_entry_key(e), "x-image") &&
- strcmp(qdict_entry_key(e), "image") &&
- strncmp(qdict_entry_key(e), "image.", strlen("image.")))
- {
+ for (e = qdict_first(options); e; e = qdict_next(options, e)) {
+ if (strcmp(qdict_entry_key(e), "x-image")) {
qobject_incref(qdict_entry_value(e));
qdict_put_obj(opts, qdict_entry_key(e), qdict_entry_value(e));
}
bs->full_open_options = opts;
}
+static int blkdebug_reopen_prepare(BDRVReopenState *reopen_state,
+ BlockReopenQueue *queue, Error **errp)
+{
+ return 0;
+}
+
static BlockDriver bdrv_blkdebug = {
.format_name = "blkdebug",
.protocol_name = "blkdebug",
.bdrv_parse_filename = blkdebug_parse_filename,
.bdrv_file_open = blkdebug_open,
.bdrv_close = blkdebug_close,
+ .bdrv_reopen_prepare = blkdebug_reopen_prepare,
.bdrv_getlength = blkdebug_getlength,
.bdrv_truncate = blkdebug_truncate,
.bdrv_refresh_filename = blkdebug_refresh_filename,
Code Review / kvmfornfv.git / blobdiff