Patchwork [v3,12/17] blockdev: Move virtio-blk device creation to drive_init

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Submitter Kevin Wolf
Date Oct. 8, 2013, 12:16 p.m.
Message ID <1381234594-13968-13-git-send-email-kwolf@redhat.com>
Download mbox | patch
Permalink /patch/281463/
State New
Headers show

Comments

Kevin Wolf - Oct. 8, 2013, 12:16 p.m.
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
Reviewed-by: Max Reitz <mreitz@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
---
 blockdev.c | 54 +++++++++++++++++++++++++++---------------------------
 1 file changed, 27 insertions(+), 27 deletions(-)

Patch

diff --git a/blockdev.c b/blockdev.c
index 1eaefb0..1c05c7a 100644
--- a/blockdev.c
+++ b/blockdev.c
@@ -318,7 +318,6 @@  static DriveInfo *blockdev_init(QDict *bs_opts,
     int ro = 0;
     int bdrv_flags = 0;
     int on_read_error, on_write_error;
-    const char *devaddr;
     DriveInfo *dinfo;
     ThrottleConfig cfg;
     int snapshot = 0;
@@ -472,20 +471,12 @@  static DriveInfo *blockdev_init(QDict *bs_opts,
         }
     }
 
-    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) {
@@ -512,22 +503,8 @@  static DriveInfo *blockdev_init(QDict *bs_opts,
     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();
     }
@@ -651,6 +628,10 @@  QemuOptsList qemu_legacy_drive_opts = {
             .name = "boot",
             .type = QEMU_OPT_BOOL,
             .help = "(deprecated, ignored)",
+        },{
+            .name = "addr",
+            .type = QEMU_OPT_STRING,
+            .help = "pci address (virtio only)",
         },
         { /* end of list */ }
     },
@@ -666,6 +647,7 @@  DriveInfo *drive_init(QemuOpts *all_opts, BlockInterfaceType block_default_type)
     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 */
@@ -866,6 +848,27 @@  DriveInfo *drive_init(QemuOpts *all_opts, BlockInterfaceType block_default_type)
         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) {
@@ -883,6 +886,7 @@  DriveInfo *drive_init(QemuOpts *all_opts, BlockInterfaceType block_default_type)
 
     dinfo->bus = bus_id;
     dinfo->unit = unit_id;
+    dinfo->devaddr = devaddr;
 
 fail:
     qemu_opts_del(legacy_opts);
@@ -2259,10 +2263,6 @@  QemuOptsList qemu_common_drive_opts = {
             .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",