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Blame SOURCES/kvm-blockdev-Move-virtio-blk-device-creation-to-drive_in.patch

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From 1a3ba7716b6559be0e4a236c96229b98eb92d9a6 Mon Sep 17 00:00:00 2001
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From: Kevin Wolf <kwolf@redhat.com>
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Date: Tue, 5 Nov 2013 14:09:09 +0100
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Subject: [PATCH 56/87] blockdev: Move virtio-blk device creation to drive_init
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RH-Author: Kevin Wolf <kwolf@redhat.com>
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Message-id: <1383660558-32096-16-git-send-email-kwolf@redhat.com>
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Patchwork-id: 55394
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O-Subject: [RHEL-7.0 qemu-kvm PATCH 15/24] blockdev: Move virtio-blk device creation to drive_init
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Bugzilla: 978402
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RH-Acked-by: Fam Zheng <famz@redhat.com>
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RH-Acked-by: Max Reitz <mreitz@redhat.com>
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RH-Acked-by: Laszlo Ersek <lersek@redhat.com>
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Signed-off-by: Kevin Wolf <kwolf@redhat.com>
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Reviewed-by: Max Reitz <mreitz@redhat.com>
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Reviewed-by: Eric Blake <eblake@redhat.com>
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(cherry picked from commit 394c7d4d6bd06386308e2fef0cf1c613a10e0d23)
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Signed-off-by: Kevin Wolf <kwolf@redhat.com>
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---
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 blockdev.c | 54 +++++++++++++++++++++++++++---------------------------
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 1 file changed, 27 insertions(+), 27 deletions(-)
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Signed-off-by: Miroslav Rezanina <mrezanin@redhat.com>
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---
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 blockdev.c |   54 +++++++++++++++++++++++++++---------------------------
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 1 files changed, 27 insertions(+), 27 deletions(-)
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diff --git a/blockdev.c b/blockdev.c
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index b6dff50..14b357a 100644
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--- a/blockdev.c
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+++ b/blockdev.c
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@@ -337,7 +337,6 @@ static DriveInfo *blockdev_init(QDict *bs_opts,
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     int ro = 0;
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     int bdrv_flags = 0;
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     int on_read_error, on_write_error;
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-    const char *devaddr;
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     DriveInfo *dinfo;
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     BlockIOLimit io_limits;
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     int snapshot = 0;
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@@ -472,20 +471,12 @@ static DriveInfo *blockdev_init(QDict *bs_opts,
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         }
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     }
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-    if ((devaddr = qemu_opt_get(opts, "addr")) != NULL) {
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-        if (type != IF_VIRTIO) {
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-            error_report("addr is not supported by this bus type");
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-            return NULL;
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-        }
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-    }
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-
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     /* init */
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     dinfo = g_malloc0(sizeof(*dinfo));
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     dinfo->id = g_strdup(qemu_opts_id(opts));
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     dinfo->bdrv = bdrv_new(dinfo->id);
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     dinfo->bdrv->open_flags = snapshot ? BDRV_O_SNAPSHOT : 0;
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     dinfo->bdrv->read_only = ro;
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-    dinfo->devaddr = devaddr;
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     dinfo->type = type;
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     dinfo->refcount = 1;
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     if (serial != NULL) {
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@@ -509,22 +500,8 @@ static DriveInfo *blockdev_init(QDict *bs_opts,
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     case IF_FLOPPY:
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     case IF_PFLASH:
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     case IF_MTD:
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-        break;
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     case IF_VIRTIO:
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-    {
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-        /* add virtio block device */
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-        QemuOpts *devopts;
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-        devopts = qemu_opts_create_nofail(qemu_find_opts("device"));
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-        if (arch_type == QEMU_ARCH_S390X) {
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-            qemu_opt_set(devopts, "driver", "virtio-blk-s390");
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-        } else {
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-            qemu_opt_set(devopts, "driver", "virtio-blk-pci");
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-        }
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-        qemu_opt_set(devopts, "drive", dinfo->id);
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-        if (devaddr)
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-            qemu_opt_set(devopts, "addr", devaddr);
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         break;
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-    }
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     default:
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         abort();
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     }
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@@ -648,6 +625,10 @@ QemuOptsList qemu_legacy_drive_opts = {
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             .name = "boot",
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             .type = QEMU_OPT_BOOL,
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             .help = "(deprecated, ignored)",
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+        },{
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+            .name = "addr",
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+            .type = QEMU_OPT_STRING,
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+            .help = "pci address (virtio only)",
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         },
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         { /* end of list */ }
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     },
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@@ -663,6 +644,7 @@ DriveInfo *drive_init(QemuOpts *all_opts, BlockInterfaceType block_default_type)
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     BlockInterfaceType type;
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     int cyls, heads, secs, translation;
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     int max_devs, bus_id, unit_id, index;
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+    const char *devaddr;
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     Error *local_err = NULL;
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     /* Change legacy command line options into QMP ones */
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@@ -852,6 +834,27 @@ DriveInfo *drive_init(QemuOpts *all_opts, BlockInterfaceType block_default_type)
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         g_free(new_id);
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     }
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+    /* Add virtio block device */
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+    devaddr = qemu_opt_get(legacy_opts, "addr");
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+    if (devaddr && type != IF_VIRTIO) {
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+        error_report("addr is not supported by this bus type");
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+        goto fail;
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+    }
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+
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+    if (type == IF_VIRTIO) {
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+        QemuOpts *devopts;
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+        devopts = qemu_opts_create_nofail(qemu_find_opts("device"));
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+        if (arch_type == QEMU_ARCH_S390X) {
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+            qemu_opt_set(devopts, "driver", "virtio-blk-s390");
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+        } else {
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+            qemu_opt_set(devopts, "driver", "virtio-blk-pci");
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+        }
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+        qemu_opt_set(devopts, "drive", qdict_get_str(bs_opts, "id"));
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+        if (devaddr) {
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+            qemu_opt_set(devopts, "addr", devaddr);
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+        }
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+    }
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+
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     /* Actual block device init: Functionality shared with blockdev-add */
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     dinfo = blockdev_init(bs_opts, type, media);
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     if (dinfo == NULL) {
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@@ -869,6 +872,7 @@ DriveInfo *drive_init(QemuOpts *all_opts, BlockInterfaceType block_default_type)
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     dinfo->bus = bus_id;
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     dinfo->unit = unit_id;
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+    dinfo->devaddr = devaddr;
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 fail:
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     qemu_opts_del(legacy_opts);
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@@ -1849,10 +1853,6 @@ QemuOptsList qemu_common_drive_opts = {
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             .type = QEMU_OPT_STRING,
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             .help = "write error action",
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         },{
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-            .name = "addr",
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-            .type = QEMU_OPT_STRING,
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-            .help = "pci address (virtio only)",
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-        },{
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             .name = "read-only",
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             .type = QEMU_OPT_BOOL,
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             .help = "open drive file as read-only",
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-- 
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1.7.1
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