]> Git Repo - qemu.git/blobdiff - blockdev.c
target/arm: Pass TCGMemOpIdx to sve memory helpers
[qemu.git] / blockdev.c
index 58d757093275cc8879bde0838173ed861256bb83..a8755bd90876f559e5cc7228ff3c1733f8314636 100644 (file)
@@ -1859,7 +1859,7 @@ static void blockdev_backup_prepare(BlkActionState *common, Error **errp)
     assert(common->action->type == TRANSACTION_ACTION_KIND_BLOCKDEV_BACKUP);
     backup = common->action->u.blockdev_backup.data;
 
-    bs = qmp_get_root_bs(backup->device, errp);
+    bs = bdrv_lookup_bs(backup->device, backup->device, errp);
     if (!bs) {
         return;
     }
@@ -2182,7 +2182,13 @@ static const BlkActionOps actions[] = {
         .instance_size = sizeof(BlockDirtyBitmapState),
         .prepare = block_dirty_bitmap_disable_prepare,
         .abort = block_dirty_bitmap_disable_abort,
-     }
+    },
+    /* Where are transactions for MIRROR, COMMIT and STREAM?
+     * Although these blockjobs use transaction callbacks like the backup job,
+     * these jobs do not necessarily adhere to transaction semantics.
+     * These jobs may not fully undo all of their actions on abort, nor do they
+     * necessarily work in transactions with more than one job in them.
+     */
 };
 
 /**
@@ -3116,6 +3122,8 @@ void qmp_block_stream(bool has_job_id, const char *job_id, const char *device,
                       bool has_backing_file, const char *backing_file,
                       bool has_speed, int64_t speed,
                       bool has_on_error, BlockdevOnError on_error,
+                      bool has_auto_finalize, bool auto_finalize,
+                      bool has_auto_dismiss, bool auto_dismiss,
                       Error **errp)
 {
     BlockDriverState *bs, *iter;
@@ -3123,6 +3131,7 @@ void qmp_block_stream(bool has_job_id, const char *job_id, const char *device,
     AioContext *aio_context;
     Error *local_err = NULL;
     const char *base_name = NULL;
+    int job_flags = JOB_DEFAULT;
 
     if (!has_on_error) {
         on_error = BLOCKDEV_ON_ERROR_REPORT;
@@ -3184,8 +3193,15 @@ void qmp_block_stream(bool has_job_id, const char *job_id, const char *device,
     /* backing_file string overrides base bs filename */
     base_name = has_backing_file ? backing_file : base_name;
 
+    if (has_auto_finalize && !auto_finalize) {
+        job_flags |= JOB_MANUAL_FINALIZE;
+    }
+    if (has_auto_dismiss && !auto_dismiss) {
+        job_flags |= JOB_MANUAL_DISMISS;
+    }
+
     stream_start(has_job_id ? job_id : NULL, bs, base_bs, base_name,
-                 has_speed ? speed : 0, on_error, &local_err);
+                 job_flags, has_speed ? speed : 0, on_error, &local_err);
     if (local_err) {
         error_propagate(errp, local_err);
         goto out;
@@ -3198,11 +3214,15 @@ out:
 }
 
 void qmp_block_commit(bool has_job_id, const char *job_id, const char *device,
+                      bool has_base_node, const char *base_node,
                       bool has_base, const char *base,
+                      bool has_top_node, const char *top_node,
                       bool has_top, const char *top,
                       bool has_backing_file, const char *backing_file,
                       bool has_speed, int64_t speed,
                       bool has_filter_node_name, const char *filter_node_name,
+                      bool has_auto_finalize, bool auto_finalize,
+                      bool has_auto_dismiss, bool auto_dismiss,
                       Error **errp)
 {
     BlockDriverState *bs;
@@ -3214,6 +3234,7 @@ void qmp_block_commit(bool has_job_id, const char *job_id, const char *device,
      * BlockdevOnError change for blkmirror makes it in
      */
     BlockdevOnError on_error = BLOCKDEV_ON_ERROR_REPORT;
+    int job_flags = JOB_DEFAULT;
 
     if (!has_speed) {
         speed = 0;
@@ -3221,6 +3242,12 @@ void qmp_block_commit(bool has_job_id, const char *job_id, const char *device,
     if (!has_filter_node_name) {
         filter_node_name = NULL;
     }
+    if (has_auto_finalize && !auto_finalize) {
+        job_flags |= JOB_MANUAL_FINALIZE;
+    }
+    if (has_auto_dismiss && !auto_dismiss) {
+        job_flags |= JOB_MANUAL_DISMISS;
+    }
 
     /* Important Note:
      *  libvirt relies on the DeviceNotFound error class in order to probe for
@@ -3250,7 +3277,20 @@ void qmp_block_commit(bool has_job_id, const char *job_id, const char *device,
     /* default top_bs is the active layer */
     top_bs = bs;
 
-    if (has_top && top) {
+    if (has_top_node && has_top) {
+        error_setg(errp, "'top-node' and 'top' are mutually exclusive");
+        goto out;
+    } else if (has_top_node) {
+        top_bs = bdrv_lookup_bs(NULL, top_node, errp);
+        if (top_bs == NULL) {
+            goto out;
+        }
+        if (!bdrv_chain_contains(bs, top_bs)) {
+            error_setg(errp, "'%s' is not in this backing file chain",
+                       top_node);
+            goto out;
+        }
+    } else if (has_top && top) {
         if (strcmp(bs->filename, top) != 0) {
             top_bs = bdrv_find_backing_image(bs, top);
         }
@@ -3263,7 +3303,20 @@ void qmp_block_commit(bool has_job_id, const char *job_id, const char *device,
 
     assert(bdrv_get_aio_context(top_bs) == aio_context);
 
-    if (has_base && base) {
+    if (has_base_node && has_base) {
+        error_setg(errp, "'base-node' and 'base' are mutually exclusive");
+        goto out;
+    } else if (has_base_node) {
+        base_bs = bdrv_lookup_bs(NULL, base_node, errp);
+        if (base_bs == NULL) {
+            goto out;
+        }
+        if (!bdrv_chain_contains(top_bs, base_bs)) {
+            error_setg(errp, "'%s' is not in this backing file chain",
+                       base_node);
+            goto out;
+        }
+    } else if (has_base && base) {
         base_bs = bdrv_find_backing_image(top_bs, base);
     } else {
         base_bs = bdrv_find_base(top_bs);
@@ -3295,15 +3348,15 @@ void qmp_block_commit(bool has_job_id, const char *job_id, const char *device,
             goto out;
         }
         commit_active_start(has_job_id ? job_id : NULL, bs, base_bs,
-                            JOB_DEFAULT, speed, on_error,
+                            job_flags, speed, on_error,
                             filter_node_name, NULL, NULL, false, &local_err);
     } else {
         BlockDriverState *overlay_bs = bdrv_find_overlay(bs, top_bs);
         if (bdrv_op_is_blocked(overlay_bs, BLOCK_OP_TYPE_COMMIT_TARGET, errp)) {
             goto out;
         }
-        commit_start(has_job_id ? job_id : NULL, bs, base_bs, top_bs, speed,
-                     on_error, has_backing_file ? backing_file : NULL,
+        commit_start(has_job_id ? job_id : NULL, bs, base_bs, top_bs, job_flags,
+                     speed, on_error, has_backing_file ? backing_file : NULL,
                      filter_node_name, &local_err);
     }
     if (local_err != NULL) {
@@ -3517,7 +3570,7 @@ BlockJob *do_blockdev_backup(BlockdevBackup *backup, JobTxn *txn,
         backup->compress = false;
     }
 
-    bs = qmp_get_root_bs(backup->device, errp);
+    bs = bdrv_lookup_bs(backup->device, backup->device, errp);
     if (!bs) {
         return NULL;
     }
@@ -3587,8 +3640,11 @@ static void blockdev_mirror_common(const char *job_id, BlockDriverState *bs,
                                    bool has_filter_node_name,
                                    const char *filter_node_name,
                                    bool has_copy_mode, MirrorCopyMode copy_mode,
+                                   bool has_auto_finalize, bool auto_finalize,
+                                   bool has_auto_dismiss, bool auto_dismiss,
                                    Error **errp)
 {
+    int job_flags = JOB_DEFAULT;
 
     if (!has_speed) {
         speed = 0;
@@ -3614,6 +3670,12 @@ static void blockdev_mirror_common(const char *job_id, BlockDriverState *bs,
     if (!has_copy_mode) {
         copy_mode = MIRROR_COPY_MODE_BACKGROUND;
     }
+    if (has_auto_finalize && !auto_finalize) {
+        job_flags |= JOB_MANUAL_FINALIZE;
+    }
+    if (has_auto_dismiss && !auto_dismiss) {
+        job_flags |= JOB_MANUAL_DISMISS;
+    }
 
     if (granularity != 0 && (granularity < 512 || granularity > 1048576 * 64)) {
         error_setg(errp, QERR_INVALID_PARAMETER_VALUE, "granularity",
@@ -3641,7 +3703,7 @@ static void blockdev_mirror_common(const char *job_id, BlockDriverState *bs,
      * and will allow to check whether the node still exist at mirror completion
      */
     mirror_start(job_id, bs, target,
-                 has_replaces ? replaces : NULL,
+                 has_replaces ? replaces : NULL, job_flags,
                  speed, granularity, buf_size, sync, backing_mode,
                  on_source_error, on_target_error, unmap, filter_node_name,
                  copy_mode, errp);
@@ -3791,6 +3853,8 @@ void qmp_drive_mirror(DriveMirror *arg, Error **errp)
                            arg->has_unmap, arg->unmap,
                            false, NULL,
                            arg->has_copy_mode, arg->copy_mode,
+                           arg->has_auto_finalize, arg->auto_finalize,
+                           arg->has_auto_dismiss, arg->auto_dismiss,
                            &local_err);
     bdrv_unref(target_bs);
     error_propagate(errp, local_err);
@@ -3812,6 +3876,8 @@ void qmp_blockdev_mirror(bool has_job_id, const char *job_id,
                          bool has_filter_node_name,
                          const char *filter_node_name,
                          bool has_copy_mode, MirrorCopyMode copy_mode,
+                         bool has_auto_finalize, bool auto_finalize,
+                         bool has_auto_dismiss, bool auto_dismiss,
                          Error **errp)
 {
     BlockDriverState *bs;
@@ -3845,6 +3911,8 @@ void qmp_blockdev_mirror(bool has_job_id, const char *job_id,
                            true, true,
                            has_filter_node_name, filter_node_name,
                            has_copy_mode, copy_mode,
+                           has_auto_finalize, auto_finalize,
+                           has_auto_dismiss, auto_dismiss,
                            &local_err);
     error_propagate(errp, local_err);
 
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