[libvirt] [PATCH v12 03/11] qemu_hostdev: move COLD_BOOT as a flag

Chunyan Liu cyliu at suse.com
Mon Feb 17 06:32:05 UTC 2014


For extracting hostdev codes from qemu_hostdev.c to common library, change qemu
specific COLD_BOOT handling to be a flag, and pass it to hostdev functions.

Signed-off-by: Chunyan Liu <cyliu at suse.com>
---
 src/qemu/qemu_hostdev.c |    6 +++---
 src/qemu/qemu_hostdev.h |    2 +-
 src/qemu/qemu_process.c |    4 +++-
 3 files changed, 7 insertions(+), 5 deletions(-)

diff --git a/src/qemu/qemu_hostdev.c b/src/qemu/qemu_hostdev.c
index 0d313c0..ce5012d 100644
--- a/src/qemu/qemu_hostdev.c
+++ b/src/qemu/qemu_hostdev.c
@@ -992,7 +992,7 @@ out:
 static int
 qemuPrepareHostUSBDevices(virQEMUDriverPtr driver,
                           virDomainDefPtr def,
-                          bool coldBoot)
+                          unsigned int flags)
 {
     size_t i;
     int ret = -1;
@@ -1000,6 +1000,7 @@ qemuPrepareHostUSBDevices(virQEMUDriverPtr driver,
     virUSBDevicePtr tmp;
     virDomainHostdevDefPtr *hostdevs = def->hostdevs;
     int nhostdevs = def->nhostdevs;
+    bool coldBoot = !!(flags & VIR_COLD_BOOT);
 
     /* To prevent situation where USB device is assigned to two domains
      * we need to keep a list of currently assigned USB devices.
@@ -1189,7 +1190,6 @@ int
 qemuPrepareHostDevices(virQEMUDriverPtr driver,
                        virDomainDefPtr def,
                        virQEMUCapsPtr qemuCaps,
-                       bool coldBoot,
                        unsigned int flags)
 {
     if (!def->nhostdevs)
@@ -1200,7 +1200,7 @@ qemuPrepareHostDevices(virQEMUDriverPtr driver,
                                      qemuCaps, flags) < 0)
         return -1;
 
-    if (qemuPrepareHostUSBDevices(driver, def, coldBoot) < 0)
+    if (qemuPrepareHostUSBDevices(driver, def, flags) < 0)
         return -1;
 
     if (qemuPrepareHostdevSCSIDevices(driver, def->name,
diff --git a/src/qemu/qemu_hostdev.h b/src/qemu/qemu_hostdev.h
index ab7fb9f..710867d 100644
--- a/src/qemu/qemu_hostdev.h
+++ b/src/qemu/qemu_hostdev.h
@@ -29,6 +29,7 @@
 
 typedef enum {
      VIR_STRICT_ACS_CHECK     = (1 << 0), /* strict acs check */
+     VIR_COLD_BOOT                   = (1 << 1), /* cold boot */
 } qemuHostdevFlag;
 
 int qemuUpdateActivePciHostdevs(virQEMUDriverPtr driver,
@@ -59,7 +60,6 @@ int qemuPrepareHostdevSCSIDevices(virQEMUDriverPtr driver,
 int qemuPrepareHostDevices(virQEMUDriverPtr driver,
                            virDomainDefPtr def,
                            virQEMUCapsPtr qemuCaps,
-                           bool coldBoot,
                            unsigned int flags);
 void qemuDomainReAttachHostScsiDevices(virQEMUDriverPtr driver,
                                        const char *name,
diff --git a/src/qemu/qemu_process.c b/src/qemu/qemu_process.c
index c0f0719..f1fe35e 100644
--- a/src/qemu/qemu_process.c
+++ b/src/qemu/qemu_process.c
@@ -3688,8 +3688,10 @@ int qemuProcessStart(virConnectPtr conn,
     VIR_DEBUG("Preparing host devices");
     if (!cfg->relaxedACS)
         hostdev_flags |= VIR_STRICT_ACS_CHECK;
+    if (!migrateFrom)
+        hostdev_flags |= VIR_COLD_BOOT;
     if (qemuPrepareHostDevices(driver, vm->def, priv->qemuCaps,
-                               !migrateFrom, hostdev_flags) < 0)
+                                                    hostdev_flags) < 0)
         goto cleanup;
 
     VIR_DEBUG("Preparing chr devices");
-- 
1.6.0.2




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