From f66e5896ad6013c2f31eef1c909999b33ba8847e Mon Sep 17 00:00:00 2001
From: Michal Privoznik <mprivozn@redhat.com>
Date: Wed, 15 Nov 2017 15:18:43 +0100
Subject: [PATCH] qemuBuildDriveDevStr: Prefer default alias for SATA bus

https://bugzilla.redhat.com/show_bug.cgi?id=1434451

Just like in 9324f67a572f9b32 we need to put default sata alias
(which is hardcoded to "ide", obvious, right?) onto the command
line instead of the one provided by user.

Signed-off-by: Michal Privoznik <mprivozn@redhat.com>
---
 src/qemu/qemu_command.c                       | 15 ++++++--
 .../qemuxml2argv-user-aliases2.args           |  1 +
 .../qemuxml2argv-user-aliases2.xml            | 34 +++++++++++++++++++
 tests/qemuxml2argvtest.c                      |  1 +
 4 files changed, 48 insertions(+), 3 deletions(-)
 create mode 120000 tests/qemuxml2argvdata/qemuxml2argv-user-aliases2.args
 create mode 100644 tests/qemuxml2argvdata/qemuxml2argv-user-aliases2.xml

diff --git a/src/qemu/qemu_command.c b/src/qemu/qemu_command.c
index 9c24ee6534..ea6c8dc52e 100644
--- a/src/qemu/qemu_command.c
+++ b/src/qemu/qemu_command.c
@@ -2020,9 +2020,18 @@ qemuBuildDriveDevStr(const virDomainDef *def,
             virBufferAddLit(&opt, "ide-drive");
         }
 
-        if (!(contAlias = virDomainControllerAliasFind(def, VIR_DOMAIN_CONTROLLER_TYPE_SATA,
-                                                      disk->info.addr.drive.controller)))
-           goto error;
+        /* When domain has builtin SATA controller we don't put it onto cmd
+         * line. Therefore we can't set its alias. In that case, use the
+         * default one. */
+        if (qemuDomainIsQ35(def) &&
+            disk->info.addr.drive.controller == 0) {
+            contAlias = "ide";
+        } else {
+            if (!(contAlias = virDomainControllerAliasFind(def,
+                                                           VIR_DOMAIN_CONTROLLER_TYPE_SATA,
+                                                           disk->info.addr.drive.controller)))
+                goto error;
+        }
         virBufferAsprintf(&opt, ",bus=%s.%d",
                           contAlias,
                           disk->info.addr.drive.unit);
diff --git a/tests/qemuxml2argvdata/qemuxml2argv-user-aliases2.args b/tests/qemuxml2argvdata/qemuxml2argv-user-aliases2.args
new file mode 120000
index 0000000000..e029bc0ec8
--- /dev/null
+++ b/tests/qemuxml2argvdata/qemuxml2argv-user-aliases2.args
@@ -0,0 +1 @@
+qemuxml2argv-boot-floppy-q35.args
\ No newline at end of file
diff --git a/tests/qemuxml2argvdata/qemuxml2argv-user-aliases2.xml b/tests/qemuxml2argvdata/qemuxml2argv-user-aliases2.xml
new file mode 100644
index 0000000000..a288b86117
--- /dev/null
+++ b/tests/qemuxml2argvdata/qemuxml2argv-user-aliases2.xml
@@ -0,0 +1,34 @@
+<domain type='qemu'>
+  <name>QEMUGuest1</name>
+  <uuid>c7a5fdbd-edaf-9455-926a-d65c16db1809</uuid>
+  <memory unit='KiB'>219100</memory>
+  <currentMemory unit='KiB'>219100</currentMemory>
+  <vcpu placement='static'>1</vcpu>
+  <os>
+    <type arch='x86_64' machine='pc-q35-2.4'>hvm</type>
+    <boot dev='fd'/>
+  </os>
+  <clock offset='utc'/>
+  <on_poweroff>destroy</on_poweroff>
+  <on_reboot>restart</on_reboot>
+  <on_crash>destroy</on_crash>
+  <devices>
+    <emulator>/usr/bin/qemu-system-x86_64</emulator>
+    <disk type='file' device='floppy'>
+      <driver name='qemu' type='raw'/>
+      <source file='/tmp/firmware.img'/>
+      <target dev='fda' bus='fdc'/>
+      <address type='drive' controller='0' bus='0' target='0' unit='0'/>
+    </disk>
+    <controller type='sata' index='0'>
+      <address type='pci' domain='0x0000' bus='0x00' slot='0x1f' function='0x2'/>
+    </controller>
+    <controller type='pci' index='0' model='pcie-root'>
+      <alias name='ua-MySataController'/>
+    </controller>
+    <controller type='fdc' index='0'/>
+    <input type='mouse' bus='ps2'/>
+    <input type='keyboard' bus='ps2'/>
+    <memballoon model='none'/>
+  </devices>
+</domain>
diff --git a/tests/qemuxml2argvtest.c b/tests/qemuxml2argvtest.c
index e7f33ae001..781c649bff 100644
--- a/tests/qemuxml2argvtest.c
+++ b/tests/qemuxml2argvtest.c
@@ -2840,6 +2840,7 @@ mymain(void)
             QEMU_CAPS_OBJECT_MEMORY_FILE, QEMU_CAPS_PIIX_DISABLE_S3,
             QEMU_CAPS_PIIX_DISABLE_S4, QEMU_CAPS_VNC,
             QEMU_CAPS_HDA_DUPLEX);
+    DO_TEST("user-aliases2", QEMU_CAPS_DEVICE_IOH3420, QEMU_CAPS_ICH9_AHCI);
 
     if (getenv("LIBVIRT_SKIP_CLEANUP") == NULL)
         virFileDeleteTree(fakerootdir);
-- 
2.47.2