[libvirt] [PATCH v4 2/3] Add PCI-Express root to ARM virt machine

Pavel Fedin p.fedin at samsung.com
Thu Jul 9 09:11:27 UTC 2015


Here we assume that if qemu supports generic PCI host controller,
it is a part of virt machine and can be used for adding PCI devices.

Signed-off-by: Pavel Fedin <p.fedin at samsung.com>
---
 src/qemu/qemu_domain.c | 17 +++++++++++++----
 1 file changed, 13 insertions(+), 4 deletions(-)

diff --git a/src/qemu/qemu_domain.c b/src/qemu/qemu_domain.c
index 8b050a0..c7d14e4 100644
--- a/src/qemu/qemu_domain.c
+++ b/src/qemu/qemu_domain.c
@@ -981,7 +981,7 @@ virDomainXMLNamespace virQEMUDriverDomainXMLNamespace = {
 static int
 qemuDomainDefPostParse(virDomainDefPtr def,
                        virCapsPtr caps,
-                       void *opaque ATTRIBUTE_UNUSED)
+                       void *opaque)
 {
     bool addDefaultUSB = true;
     bool addImplicitSATA = false;
@@ -1030,12 +1030,21 @@ qemuDomainDefPostParse(virDomainDefPtr def,
         break;
 
     case VIR_ARCH_ARMV7L:
-       addDefaultUSB = false;
-       addDefaultMemballoon = false;
-       break;
     case VIR_ARCH_AARCH64:
        addDefaultUSB = false;
        addDefaultMemballoon = false;
+       if (STREQ(def->os.machine, "virt") ||
+           STRPREFIX(def->os.machine, "virt-")) {
+           virQEMUDriverPtr driver = opaque;
+
+           /* This condition is actually a (temporary) hack for test suite which
+            * does not create capabilities cache */
+           if (driver->qemuCapsCache) {
+               virQEMUCapsPtr qemuCaps =
+                   virQEMUCapsCacheLookup(driver->qemuCapsCache, def->emulator);
+               addPCIeRoot = virQEMUCapsGet(qemuCaps, QEMU_CAPS_OBJECT_GPEX);
+           }
+       }
        break;
 
     case VIR_ARCH_PPC64:
-- 
1.9.5.msysgit.0




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