render / rpms / libvirt

Forked from rpms/libvirt 9 months ago
Clone
3e5111
From 2106b821cd1eef809853f7424edf8660732b1303 Mon Sep 17 00:00:00 2001
3e5111
Message-Id: <2106b821cd1eef809853f7424edf8660732b1303@dist-git>
3e5111
From: Andrea Bolognani <abologna@redhat.com>
3e5111
Date: Tue, 4 Apr 2017 14:59:30 +0200
3e5111
Subject: [PATCH] qemu: Advertise ACPI support for aarch64 guests
3e5111
3e5111
So far, libvirt has assumed that only x86 supports ACPI,
3e5111
but that's inaccurate since aarch64 supports it too.
3e5111
3e5111
Resolves: https://bugzilla.redhat.com/show_bug.cgi?id=1429509
3e5111
3e5111
(cherry picked from commit 560335c35c830344329c16cb1f25f887344bdfd8)
3e5111
Signed-off-by: Andrea Bolognani <abologna@redhat.com>
3e5111
---
3e5111
 src/qemu/qemu_capabilities.c                       | 28 ++++++++++++++++------
3e5111
 .../caps_2.6.0-gicv2.aarch64.xml                   |  1 +
3e5111
 .../caps_2.6.0-gicv3.aarch64.xml                   |  1 +
3e5111
 .../qemuxml2argv-aarch64-gic-host.args             |  1 +
3e5111
 .../qemuxml2argv-aarch64-gic-v2.args               |  1 +
3e5111
 .../qemuxml2argv-aarch64-gic-v3.args               |  1 +
3e5111
 6 files changed, 26 insertions(+), 7 deletions(-)
3e5111
3e5111
diff --git a/src/qemu/qemu_capabilities.c b/src/qemu/qemu_capabilities.c
3e5111
index 9d0a29732..a8125102c 100644
3e5111
--- a/src/qemu/qemu_capabilities.c
3e5111
+++ b/src/qemu/qemu_capabilities.c
3e5111
@@ -1043,13 +1043,17 @@ virQEMUCapsInitGuestFromBinary(virCapsPtr caps,
3e5111
 
3e5111
         machines = NULL;
3e5111
         nmachines = 0;
3e5111
+    }
3e5111
 
3e5111
+    if ((ARCH_IS_X86(guestarch) || guestarch == VIR_ARCH_AARCH64) &&
3e5111
+        virCapabilitiesAddGuestFeature(guest, "acpi", true, true) == NULL) {
3e5111
+        goto cleanup;
3e5111
     }
3e5111
 
3e5111
     if (ARCH_IS_X86(guestarch) &&
3e5111
-        (virCapabilitiesAddGuestFeature(guest, "acpi", true, true) == NULL ||
3e5111
-         virCapabilitiesAddGuestFeature(guest, "apic", true, false) == NULL))
3e5111
+        virCapabilitiesAddGuestFeature(guest, "apic", true, false) == NULL) {
3e5111
         goto cleanup;
3e5111
+    }
3e5111
 
3e5111
     if ((guestarch == VIR_ARCH_I686) &&
3e5111
         (virCapabilitiesAddGuestFeature(guest, "pae", true, false) == NULL ||
3e5111
@@ -4181,10 +4185,15 @@ virQEMUCapsInitHelp(virQEMUCapsPtr qemuCaps, uid_t runUid, gid_t runGid, const c
3e5111
                                 qmperr) < 0)
3e5111
         goto cleanup;
3e5111
 
3e5111
-    /* -no-acpi is not supported on non-x86
3e5111
-     * even if qemu reports it in -help */
3e5111
-    if (!ARCH_IS_X86(qemuCaps->arch))
3e5111
+    /* Older QEMU versions reported -no-acpi in the output of -help even
3e5111
+     * though it was not supported by the architecture. The issue has since
3e5111
+     * been fixed, but to maintain compatibility with all release we still
3e5111
+     * need to filter out the capability for architectures that we know
3e5111
+     * don't support the feature, eg. anything but x86 and aarch64 */
3e5111
+    if (!ARCH_IS_X86(qemuCaps->arch) &&
3e5111
+        qemuCaps->arch != VIR_ARCH_AARCH64) {
3e5111
         virQEMUCapsClear(qemuCaps, QEMU_CAPS_NO_ACPI);
3e5111
+    }
3e5111
 
3e5111
     /* virQEMUCapsExtractDeviceStr will only set additional caps if qemu
3e5111
      * understands the 0.13.0+ notion of "-device driver,".  */
3e5111
@@ -4305,9 +4314,14 @@ virQEMUCapsInitQMPArch(virQEMUCapsPtr qemuCaps,
3e5111
 void
3e5111
 virQEMUCapsInitQMPBasicArch(virQEMUCapsPtr qemuCaps)
3e5111
 {
3e5111
-    /* ACPI/HPET/KVM PIT are x86 specific */
3e5111
-    if (ARCH_IS_X86(qemuCaps->arch)) {
3e5111
+    /* ACPI only works on x86 and aarch64 */
3e5111
+    if (ARCH_IS_X86(qemuCaps->arch) ||
3e5111
+        qemuCaps->arch == VIR_ARCH_AARCH64) {
3e5111
         virQEMUCapsSet(qemuCaps, QEMU_CAPS_NO_ACPI);
3e5111
+    }
3e5111
+
3e5111
+    /* HPET and KVM PIT are x86 specific */
3e5111
+    if (ARCH_IS_X86(qemuCaps->arch)) {
3e5111
         virQEMUCapsSet(qemuCaps, QEMU_CAPS_NO_HPET);
3e5111
         virQEMUCapsSet(qemuCaps, QEMU_CAPS_NO_KVM_PIT);
3e5111
     }
3e5111
diff --git a/tests/qemucapabilitiesdata/caps_2.6.0-gicv2.aarch64.xml b/tests/qemucapabilitiesdata/caps_2.6.0-gicv2.aarch64.xml
3e5111
index c1e46794a..af3a8e7cb 100644
3e5111
--- a/tests/qemucapabilitiesdata/caps_2.6.0-gicv2.aarch64.xml
3e5111
+++ b/tests/qemucapabilitiesdata/caps_2.6.0-gicv2.aarch64.xml
3e5111
@@ -40,6 +40,7 @@
3e5111
   <flag name='no-shutdown'/>
3e5111
   <flag name='cache-unsafe'/>
3e5111
   <flag name='ich9-ahci'/>
3e5111
+  <flag name='no-acpi'/>
3e5111
   <flag name='fsdev-readonly'/>
3e5111
   <flag name='virtio-blk-pci.scsi'/>
3e5111
   <flag name='drive-copy-on-read'/>
3e5111
diff --git a/tests/qemucapabilitiesdata/caps_2.6.0-gicv3.aarch64.xml b/tests/qemucapabilitiesdata/caps_2.6.0-gicv3.aarch64.xml
3e5111
index 20dfda216..4402ffa6f 100644
3e5111
--- a/tests/qemucapabilitiesdata/caps_2.6.0-gicv3.aarch64.xml
3e5111
+++ b/tests/qemucapabilitiesdata/caps_2.6.0-gicv3.aarch64.xml
3e5111
@@ -40,6 +40,7 @@
3e5111
   <flag name='no-shutdown'/>
3e5111
   <flag name='cache-unsafe'/>
3e5111
   <flag name='ich9-ahci'/>
3e5111
+  <flag name='no-acpi'/>
3e5111
   <flag name='fsdev-readonly'/>
3e5111
   <flag name='virtio-blk-pci.scsi'/>
3e5111
   <flag name='drive-copy-on-read'/>
3e5111
diff --git a/tests/qemuxml2argvdata/qemuxml2argv-aarch64-gic-host.args b/tests/qemuxml2argvdata/qemuxml2argv-aarch64-gic-host.args
3e5111
index 5fdaa08ef..23276ad71 100644
3e5111
--- a/tests/qemuxml2argvdata/qemuxml2argv-aarch64-gic-host.args
3e5111
+++ b/tests/qemuxml2argvdata/qemuxml2argv-aarch64-gic-host.args
3e5111
@@ -15,4 +15,5 @@ QEMU_AUDIO_DRV=none \
3e5111
 -nographic \
3e5111
 -nodefaults \
3e5111
 -monitor unix:/tmp/lib/domain--1-aarch64test/monitor.sock,server,nowait \
3e5111
+-no-acpi \
3e5111
 -boot c
3e5111
diff --git a/tests/qemuxml2argvdata/qemuxml2argv-aarch64-gic-v2.args b/tests/qemuxml2argvdata/qemuxml2argv-aarch64-gic-v2.args
3e5111
index 2caf1b92c..f79c1c60e 100644
3e5111
--- a/tests/qemuxml2argvdata/qemuxml2argv-aarch64-gic-v2.args
3e5111
+++ b/tests/qemuxml2argvdata/qemuxml2argv-aarch64-gic-v2.args
3e5111
@@ -15,4 +15,5 @@ QEMU_AUDIO_DRV=none \
3e5111
 -nographic \
3e5111
 -nodefaults \
3e5111
 -monitor unix:/tmp/lib/domain--1-aarch64test/monitor.sock,server,nowait \
3e5111
+-no-acpi \
3e5111
 -boot c
3e5111
diff --git a/tests/qemuxml2argvdata/qemuxml2argv-aarch64-gic-v3.args b/tests/qemuxml2argvdata/qemuxml2argv-aarch64-gic-v3.args
3e5111
index 3ae8e5f86..fce9308b0 100644
3e5111
--- a/tests/qemuxml2argvdata/qemuxml2argv-aarch64-gic-v3.args
3e5111
+++ b/tests/qemuxml2argvdata/qemuxml2argv-aarch64-gic-v3.args
3e5111
@@ -15,4 +15,5 @@ QEMU_AUDIO_DRV=none \
3e5111
 -nographic \
3e5111
 -nodefaults \
3e5111
 -monitor unix:/tmp/lib/domain--1-aarch64test/monitor.sock,server,nowait \
3e5111
+-no-acpi \
3e5111
 -boot c
3e5111
-- 
3e5111
2.12.2
3e5111