[PATCH] util: vhost user: support for bootindex

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Problem Description:
When we set boot order for a vhost-user network interface, we found the boot index
doesn't work.

Cause of the Problem:
In the function qemuBuildVhostuserCommandLine(), it forcely set the arg bootindex of
function qemuBuildNicDevStr() to 0. Thus, the bootindex parameter got missing.

Solution:
Trans the arg bootindex down.

Signed-off-by: Gao Haifeng <gaohaifeng.gao@xxxxxxxxxx>
Signed-off-by: Zhang Bo <oscar.zhangbo@xxxxxxxxxx>
---
 src/qemu/qemu_command.c | 14 ++++++++------
 1 file changed, 8 insertions(+), 6 deletions(-)

diff --git a/src/qemu/qemu_command.c b/src/qemu/qemu_command.c
index 5303de5..2f37812 100644
--- a/src/qemu/qemu_command.c
+++ b/src/qemu/qemu_command.c
@@ -7767,7 +7767,8 @@ static int
 qemuBuildVhostuserCommandLine(virCommandPtr cmd,
                               virDomainDefPtr def,
                               virDomainNetDefPtr net,
-                              virQEMUCapsPtr qemuCaps)
+                              virQEMUCapsPtr qemuCaps,
+                              int bootindex)
 {
     virBuffer chardev_buf = VIR_BUFFER_INITIALIZER;
     virBuffer netdev_buf = VIR_BUFFER_INITIALIZER;
@@ -7814,7 +7815,7 @@ qemuBuildVhostuserCommandLine(virCommandPtr cmd,
     virCommandAddArg(cmd, "-netdev");
     virCommandAddArgBuffer(cmd, &netdev_buf);

-    if (!(nic = qemuBuildNicDevStr(def, net, -1, 0, 0, qemuCaps))) {
+    if (!(nic = qemuBuildNicDevStr(def, net, -1, bootindex, 0, qemuCaps))) {
         virReportError(VIR_ERR_INTERNAL_ERROR,
                        "%s", _("Error generating NIC -device string"));
         goto error;
@@ -7859,8 +7860,12 @@ qemuBuildInterfaceCommandLine(virCommandPtr cmd,
     virNetDevBandwidthPtr actualBandwidth;
     size_t i;

+
+    if (!bootindex)
+        bootindex = net->info.bootIndex;
+
     if (actualType == VIR_DOMAIN_NET_TYPE_VHOSTUSER)
-        return qemuBuildVhostuserCommandLine(cmd, def, net, qemuCaps);
+        return qemuBuildVhostuserCommandLine(cmd, def, net, qemuCaps, bootindex);

     if (actualType == VIR_DOMAIN_NET_TYPE_HOSTDEV) {
         /* NET_TYPE_HOSTDEV devices are really hostdev devices, so
@@ -7869,9 +7874,6 @@ qemuBuildInterfaceCommandLine(virCommandPtr cmd,
         return 0;
     }

-    if (!bootindex)
-        bootindex = net->info.bootIndex;
-
     /* Currently nothing besides TAP devices supports multiqueue. */
     if (net->driver.virtio.queues > 0 &&
         !(actualType == VIR_DOMAIN_NET_TYPE_NETWORK ||
-- 
1.7.12.4


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