s->bs = bs;
}
-static int bdrv_qed_open(BlockDriverState *bs, QDict *options, int flags)
+static int bdrv_qed_open(BlockDriverState *bs, QDict *options, int flags,
+ Error **errp)
{
BDRVQEDState *s = bs->opaque;
QEDHeader le_header;
QEDHeader le_header;
uint8_t *l1_table = NULL;
size_t l1_size = header.cluster_size * header.table_size;
+ Error *local_err = NULL;
int ret = 0;
BlockDriverState *bs = NULL;
- ret = bdrv_create_file(filename, NULL);
+ ret = bdrv_create_file(filename, NULL, &local_err);
if (ret < 0) {
+ qerror_report_err(local_err);
+ error_free(local_err);
return ret;
}
- ret = bdrv_file_open(&bs, filename, NULL, BDRV_O_RDWR | BDRV_O_CACHE_WB);
+ ret = bdrv_file_open(&bs, filename, NULL, BDRV_O_RDWR | BDRV_O_CACHE_WB,
+ &local_err);
if (ret < 0) {
+ qerror_report_err(local_err);
+ error_free(local_err);
return ret;
}
ret = 0; /* success */
out:
g_free(l1_table);
- bdrv_delete(bs);
+ bdrv_unref(bs);
return ret;
}
-static int bdrv_qed_create(const char *filename, QEMUOptionParameter *options)
+static int bdrv_qed_create(const char *filename, QEMUOptionParameter *options,
+ Error **errp)
{
uint64_t image_size = 0;
uint32_t cluster_size = QED_DEFAULT_CLUSTER_SIZE;
}
typedef struct {
+ BlockDriverState *bs;
Coroutine *co;
- int is_allocated;
+ uint64_t pos;
+ int64_t status;
int *pnum;
} QEDIsAllocatedCB;
static void qed_is_allocated_cb(void *opaque, int ret, uint64_t offset, size_t len)
{
QEDIsAllocatedCB *cb = opaque;
+ BDRVQEDState *s = cb->bs->opaque;
*cb->pnum = len / BDRV_SECTOR_SIZE;
- cb->is_allocated = (ret == QED_CLUSTER_FOUND || ret == QED_CLUSTER_ZERO);
+ switch (ret) {
+ case QED_CLUSTER_FOUND:
+ offset |= qed_offset_into_cluster(s, cb->pos);
+ cb->status = BDRV_BLOCK_DATA | BDRV_BLOCK_OFFSET_VALID | offset;
+ break;
+ case QED_CLUSTER_ZERO:
+ cb->status = BDRV_BLOCK_ZERO;
+ break;
+ case QED_CLUSTER_L2:
+ case QED_CLUSTER_L1:
+ cb->status = 0;
+ break;
+ default:
+ assert(ret < 0);
+ cb->status = ret;
+ break;
+ }
+
if (cb->co) {
qemu_coroutine_enter(cb->co, NULL);
}
}
-static int coroutine_fn bdrv_qed_co_is_allocated(BlockDriverState *bs,
+static int64_t coroutine_fn bdrv_qed_co_get_block_status(BlockDriverState *bs,
int64_t sector_num,
int nb_sectors, int *pnum)
{
BDRVQEDState *s = bs->opaque;
- uint64_t pos = (uint64_t)sector_num * BDRV_SECTOR_SIZE;
size_t len = (size_t)nb_sectors * BDRV_SECTOR_SIZE;
QEDIsAllocatedCB cb = {
- .is_allocated = -1,
+ .bs = bs,
+ .pos = (uint64_t)sector_num * BDRV_SECTOR_SIZE,
+ .status = BDRV_BLOCK_OFFSET_MASK,
.pnum = pnum,
};
QEDRequest request = { .l2_table = NULL };
- qed_find_cluster(s, &request, pos, len, qed_is_allocated_cb, &cb);
+ qed_find_cluster(s, &request, cb.pos, len, qed_is_allocated_cb, &cb);
/* Now sleep if the callback wasn't invoked immediately */
- while (cb.is_allocated == -1) {
+ while (cb.status == BDRV_BLOCK_OFFSET_MASK) {
cb.co = qemu_coroutine_self();
qemu_coroutine_yield();
}
qed_unref_l2_cache_entry(request.l2_table);
- return cb.is_allocated;
+ return cb.status;
}
static int bdrv_qed_make_empty(BlockDriverState *bs)
bdrv_qed_close(bs);
memset(s, 0, sizeof(BDRVQEDState));
- bdrv_qed_open(bs, NULL, bs->open_flags);
+ bdrv_qed_open(bs, NULL, bs->open_flags, NULL);
}
static int bdrv_qed_check(BlockDriverState *bs, BdrvCheckResult *result,
.bdrv_reopen_prepare = bdrv_qed_reopen_prepare,
.bdrv_create = bdrv_qed_create,
.bdrv_has_zero_init = bdrv_has_zero_init_1,
- .bdrv_co_is_allocated = bdrv_qed_co_is_allocated,
+ .bdrv_co_get_block_status = bdrv_qed_co_get_block_status,
.bdrv_make_empty = bdrv_qed_make_empty,
.bdrv_aio_readv = bdrv_qed_aio_readv,
.bdrv_aio_writev = bdrv_qed_aio_writev,