target/arm: Pass TCGMemOpIdx to sve memory helpers

[qemu.git] / block / vmdk.c

diff --git a/block/vmdk.c b/block/vmdk.c
index 67342ed69b601ffe03111b6df3716e81982f8ddb..2c9e86d98f742108bfc4e3beb1186ecfa94b9820 100644 (file)
--- a/block/vmdk.c
+++ b/block/vmdk.c
@@ -47,6 +47,8 @@
 #define VMDK4_FLAG_MARKER (1 << 17)
 #define VMDK4_GD_AT_END 0xffffffffffffffffULL
 
+#define VMDK_EXTENT_MAX_SECTORS (1ULL << 32)
+
 #define VMDK_GTE_ZEROED 0x1
 
 /* VMDK internal error codes */
@@ -331,6 +333,12 @@ static int vmdk_is_cid_valid(BlockDriverState *bs)
     if (!s->cid_checked && bs->backing) {
         BlockDriverState *p_bs = bs->backing->bs;
 
+        if (strcmp(p_bs->drv->format_name, "vmdk")) {
+            /* Backing file is not in vmdk format, so it does not have
+             * a CID, which makes the overlay's parent CID invalid */
+            return 0;
+        }
+
         if (vmdk_read_cid(p_bs, 0, &cur_pcid) != 0) {
             /* read failure: report as not valid */
             return 0;
@@ -1250,6 +1258,10 @@ static int get_cluster_offset(BlockDriverState *bs,
             return zeroed ? VMDK_ZEROED : VMDK_UNALLOC;
         }
 
+        if (extent->next_cluster_sector >= VMDK_EXTENT_MAX_SECTORS) {
+            return VMDK_ERROR;
+        }
+
         cluster_sector = extent->next_cluster_sector;
         extent->next_cluster_sector += extent->cluster_sectors;
 
@@ -1686,6 +1698,27 @@ static int coroutine_fn
 vmdk_co_pwritev_compressed(BlockDriverState *bs, uint64_t offset,
                            uint64_t bytes, QEMUIOVector *qiov)
 {
+    if (bytes == 0) {
+        /* The caller will write bytes 0 to signal EOF.
+         * When receive it, we align EOF to a sector boundary. */
+        BDRVVmdkState *s = bs->opaque;
+        int i, ret;
+        int64_t length;
+
+        for (i = 0; i < s->num_extents; i++) {
+            length = bdrv_getlength(s->extents[i].file->bs);
+            if (length < 0) {
+                return length;
+            }
+            length = QEMU_ALIGN_UP(length, BDRV_SECTOR_SIZE);
+            ret = bdrv_truncate(s->extents[i].file, length,
+                                PREALLOC_MODE_OFF, NULL);
+            if (ret < 0) {
+                return ret;
+            }
+        }
+        return 0;
+    }
     return vmdk_co_pwritev(bs, offset, bytes, qiov, 0);
 }
 
@@ -2221,8 +2254,9 @@ static ImageInfo *vmdk_get_extent_info(VmdkExtent *extent)
     return info;
 }
 
-static int vmdk_check(BlockDriverState *bs, BdrvCheckResult *result,
-                      BdrvCheckMode fix)
+static int coroutine_fn vmdk_co_check(BlockDriverState *bs,
+                                      BdrvCheckResult *result,
+                                      BdrvCheckMode fix)
 {
     BDRVVmdkState *s = bs->opaque;
     VmdkExtent *extent = NULL;
@@ -2391,7 +2425,7 @@ static BlockDriver bdrv_vmdk = {
     .instance_size                = sizeof(BDRVVmdkState),
     .bdrv_probe                   = vmdk_probe,
     .bdrv_open                    = vmdk_open,
-    .bdrv_check                   = vmdk_check,
+    .bdrv_co_check                = vmdk_co_check,
     .bdrv_reopen_prepare          = vmdk_reopen_prepare,
     .bdrv_child_perm              = bdrv_format_default_perms,
     .bdrv_co_preadv               = vmdk_co_preadv,