vhost-user: add new vhost user messages to support virtio config space

[mirror_qemu.git] / block / blkdebug.c

diff --git a/block/blkdebug.c b/block/blkdebug.c
index c19ab28f07f57320cdb6ace034c3c06a8d8c0ac7..e21669979da198ed47184fd606bf74d185a081fd 100644 (file)
--- a/block/blkdebug.c
+++ b/block/blkdebug.c
@@ -149,20 +149,6 @@ static QemuOptsList *config_groups[] = {
     NULL
 };
 
-static int get_event_by_name(const char *name, BlkdebugEvent *event)
-{
-    int i;
-
-    for (i = 0; i < BLKDBG__MAX; i++) {
-        if (!strcmp(BlkdebugEvent_lookup[i], name)) {
-            *event = i;
-            return 0;
-        }
-    }
-
-    return -1;
-}
-
 struct add_rule_data {
     BDRVBlkdebugState *s;
     int action;
@@ -173,7 +159,7 @@ static int add_rule(void *opaque, QemuOpts *opts, Error **errp)
     struct add_rule_data *d = opaque;
     BDRVBlkdebugState *s = d->s;
     const char* event_name;
-    BlkdebugEvent event;
+    int event;
     struct BlkdebugRule *rule;
     int64_t sector;
 
@@ -182,8 +168,9 @@ static int add_rule(void *opaque, QemuOpts *opts, Error **errp)
     if (!event_name) {
         error_setg(errp, "Missing event name for rule");
         return -1;
-    } else if (get_event_by_name(event_name, &event) < 0) {
-        error_setg(errp, "Invalid event name \"%s\"", event_name);
+    }
+    event = qapi_enum_parse(&BlkdebugEvent_lookup, event_name, -1, errp);
+    if (event < 0) {
         return -1;
     }
 
@@ -257,7 +244,6 @@ static int read_config(BDRVBlkdebugState *s, const char *filename,
         ret = qemu_config_parse(f, config_groups, filename);
         if (ret < 0) {
             error_setg(errp, "Could not parse blkdebug config file");
-            ret = -EINVAL;
             goto fail;
         }
     }
@@ -645,10 +631,11 @@ static int64_t coroutine_fn blkdebug_co_get_block_status(
     BlockDriverState *bs, int64_t sector_num, int nb_sectors, int *pnum,
     BlockDriverState **file)
 {
-    *pnum = nb_sectors;
-    *file = bs->file->bs;
-    return BDRV_BLOCK_RAW | BDRV_BLOCK_OFFSET_VALID |
-        (sector_num << BDRV_SECTOR_BITS);
+    assert(QEMU_IS_ALIGNED(sector_num | nb_sectors,
+                           DIV_ROUND_UP(bs->bl.request_alignment,
+                                        BDRV_SECTOR_SIZE)));
+    return bdrv_co_get_block_status_from_file(bs, sector_num, nb_sectors,
+                                              pnum, file);
 }
 
 static void blkdebug_close(BlockDriverState *bs)
@@ -743,13 +730,13 @@ static int blkdebug_debug_breakpoint(BlockDriverState *bs, const char *event,
 {
     BDRVBlkdebugState *s = bs->opaque;
     struct BlkdebugRule *rule;
-    BlkdebugEvent blkdebug_event;
+    int blkdebug_event;
 
-    if (get_event_by_name(event, &blkdebug_event) < 0) {
+    blkdebug_event = qapi_enum_parse(&BlkdebugEvent_lookup, event, -1, NULL);
+    if (blkdebug_event < 0) {
         return -ENOENT;
     }
 
-
     rule = g_malloc(sizeof(*rule));
     *rule = (struct BlkdebugRule) {
         .event  = blkdebug_event,
@@ -821,12 +808,6 @@ static int64_t blkdebug_getlength(BlockDriverState *bs)
     return bdrv_getlength(bs->file->bs);
 }
 
-static int blkdebug_truncate(BlockDriverState *bs, int64_t offset,
-                             PreallocMode prealloc, Error **errp)
-{
-    return bdrv_truncate(bs->file, offset, prealloc, errp);
-}
-
 static void blkdebug_refresh_filename(BlockDriverState *bs, QDict *options)
 {
     BDRVBlkdebugState *s = bs->opaque;
@@ -909,6 +890,7 @@ static BlockDriver bdrv_blkdebug = {
     .format_name            = "blkdebug",
     .protocol_name          = "blkdebug",
     .instance_size          = sizeof(BDRVBlkdebugState),
+    .is_filter              = true,
 
     .bdrv_parse_filename    = blkdebug_parse_filename,
     .bdrv_file_open         = blkdebug_open,
@@ -917,7 +899,6 @@ static BlockDriver bdrv_blkdebug = {
     .bdrv_child_perm        = bdrv_filter_default_perms,
 
     .bdrv_getlength         = blkdebug_getlength,
-    .bdrv_truncate          = blkdebug_truncate,
     .bdrv_refresh_filename  = blkdebug_refresh_filename,
     .bdrv_refresh_limits    = blkdebug_refresh_limits,