blockdev: Move virtio-blk device creation to drive_init
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
Reviewed-by: Max Reitz <mreitz@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
diff --git a/blockdev.c b/blockdev.c
index b543f6d..b11155c 100644
--- a/blockdev.c
+++ b/blockdev.c
@@ -318,7 +318,6 @@
int ro = 0;
int bdrv_flags = 0;
int on_read_error, on_write_error;
- const char *devaddr;
DriveInfo *dinfo;
ThrottleConfig cfg;
int snapshot = 0;
@@ -468,20 +467,12 @@
}
}
- if ((devaddr = qemu_opt_get(opts, "addr")) != NULL) {
- if (type != IF_VIRTIO) {
- error_report("addr is not supported by this bus type");
- return NULL;
- }
- }
-
/* init */
dinfo = g_malloc0(sizeof(*dinfo));
dinfo->id = g_strdup(qemu_opts_id(opts));
dinfo->bdrv = bdrv_new(dinfo->id);
dinfo->bdrv->open_flags = snapshot ? BDRV_O_SNAPSHOT : 0;
dinfo->bdrv->read_only = ro;
- dinfo->devaddr = devaddr;
dinfo->type = type;
dinfo->refcount = 1;
if (serial != NULL) {
@@ -508,22 +499,8 @@
case IF_FLOPPY:
case IF_PFLASH:
case IF_MTD:
- break;
case IF_VIRTIO:
- {
- /* add virtio block device */
- QemuOpts *devopts;
- devopts = qemu_opts_create_nofail(qemu_find_opts("device"));
- if (arch_type == QEMU_ARCH_S390X) {
- qemu_opt_set(devopts, "driver", "virtio-blk-s390");
- } else {
- qemu_opt_set(devopts, "driver", "virtio-blk-pci");
- }
- qemu_opt_set(devopts, "drive", dinfo->id);
- if (devaddr)
- qemu_opt_set(devopts, "addr", devaddr);
break;
- }
default:
abort();
}
@@ -647,6 +624,10 @@
.name = "boot",
.type = QEMU_OPT_BOOL,
.help = "(deprecated, ignored)",
+ },{
+ .name = "addr",
+ .type = QEMU_OPT_STRING,
+ .help = "pci address (virtio only)",
},
{ /* end of list */ }
},
@@ -662,6 +643,7 @@
BlockInterfaceType type;
int cyls, heads, secs, translation;
int max_devs, bus_id, unit_id, index;
+ const char *devaddr;
Error *local_err = NULL;
/* Change legacy command line options into QMP ones */
@@ -862,6 +844,27 @@
g_free(new_id);
}
+ /* Add virtio block device */
+ devaddr = qemu_opt_get(legacy_opts, "addr");
+ if (devaddr && type != IF_VIRTIO) {
+ error_report("addr is not supported by this bus type");
+ goto fail;
+ }
+
+ if (type == IF_VIRTIO) {
+ QemuOpts *devopts;
+ devopts = qemu_opts_create_nofail(qemu_find_opts("device"));
+ if (arch_type == QEMU_ARCH_S390X) {
+ qemu_opt_set(devopts, "driver", "virtio-blk-s390");
+ } else {
+ qemu_opt_set(devopts, "driver", "virtio-blk-pci");
+ }
+ qemu_opt_set(devopts, "drive", qdict_get_str(bs_opts, "id"));
+ if (devaddr) {
+ qemu_opt_set(devopts, "addr", devaddr);
+ }
+ }
+
/* Actual block device init: Functionality shared with blockdev-add */
dinfo = blockdev_init(bs_opts, type, media);
if (dinfo == NULL) {
@@ -879,6 +882,7 @@
dinfo->bus = bus_id;
dinfo->unit = unit_id;
+ dinfo->devaddr = devaddr;
fail:
qemu_opts_del(legacy_opts);
@@ -2259,10 +2263,6 @@
.type = QEMU_OPT_STRING,
.help = "write error action",
},{
- .name = "addr",
- .type = QEMU_OPT_STRING,
- .help = "pci address (virtio only)",
- },{
.name = "read-only",
.type = QEMU_OPT_BOOL,
.help = "open drive file as read-only",
