[libvirt] [PATCH v2 2/3] qemuBuildDriveDevStr: Prefer default alias for SATA bus

Michal Privoznik mprivozn at redhat.com
Wed Nov 15 14:40:16 UTC 2017


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 at 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 56729e498..4eda12179 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 000000000..e029bc0ec
--- /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 000000000..a288b8611
--- /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 1bedc6874..d66e77ed4 100644
--- a/tests/qemuxml2argvtest.c
+++ b/tests/qemuxml2argvtest.c
@@ -2827,6 +2827,7 @@ 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);
-- 
2.13.6




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