[libvirt] [PATCH v1 22/31] qemu_domain: Separate VFIO code

[Michal Privoznik]

This piece of code will be re-used later.

Signed-off-by: Michal Privoznik <mprivozn at redhat.com>
---
 src/conf/domain_conf.c   | 17 +++++++++++++++++
 src/conf/domain_conf.h   |  3 +++
 src/libvirt_private.syms |  1 +
 src/qemu/qemu_domain.c   | 13 ++-----------
 4 files changed, 23 insertions(+), 11 deletions(-)

diff --git a/src/conf/domain_conf.c b/src/conf/domain_conf.c
index 1b6ee3bfa6..e71e484a6f 100644
--- a/src/conf/domain_conf.c
+++ b/src/conf/domain_conf.c
@@ -31445,6 +31445,23 @@ virDomainDefHasNVMeDisk(const virDomainDef *def)
 }
 
 
+bool
+virDomainDefHasVFIOHostdev(const virDomainDef *def)
+{
+    size_t i;
+
+    for (i = 0; i < def->nhostdevs; i++) {
+        const virDomainHostdevDef *tmp = def->hostdevs[i];
+        if (tmp->mode == VIR_DOMAIN_HOSTDEV_MODE_SUBSYS &&
+            tmp->source.subsys.type == VIR_DOMAIN_HOSTDEV_SUBSYS_TYPE_PCI &&
+            tmp->source.subsys.u.pci.backend == VIR_DOMAIN_HOSTDEV_PCI_BACKEND_VFIO)
+            return true;
+    }
+
+    return false;
+}
+
+
 /**
  * virDomainGraphicsDefHasOpenGL:
  * @def: domain definition
diff --git a/src/conf/domain_conf.h b/src/conf/domain_conf.h
index 2a067633bd..5c6c5b7a33 100644
--- a/src/conf/domain_conf.h
+++ b/src/conf/domain_conf.h
@@ -3614,6 +3614,9 @@ virDomainDefHasManagedPR(const virDomainDef *def);
 bool
 virDomainDefHasNVMeDisk(const virDomainDef *def);
 
+bool
+virDomainDefHasVFIOHostdev(const virDomainDef *def);
+
 bool
 virDomainGraphicsDefHasOpenGL(const virDomainDef *def);
 
diff --git a/src/libvirt_private.syms b/src/libvirt_private.syms
index 15bfae115f..4fda747fb3 100644
--- a/src/libvirt_private.syms
+++ b/src/libvirt_private.syms
@@ -287,6 +287,7 @@ virDomainDefHasMemoryHotplug;
 virDomainDefHasNVMeDisk;
 virDomainDefHasUSB;
 virDomainDefHasVcpusOffline;
+virDomainDefHasVFIOHostdev;
 virDomainDefLifecycleActionAllowed;
 virDomainDefMaybeAddController;
 virDomainDefMaybeAddInput;
diff --git a/src/qemu/qemu_domain.c b/src/qemu/qemu_domain.c
index 09e5ee37f4..2a7f09ce24 100644
--- a/src/qemu/qemu_domain.c
+++ b/src/qemu/qemu_domain.c
@@ -11764,7 +11764,7 @@ qemuDomainGetHostdevPath(virDomainDefPtr def,
     bool includeVFIO = false;
     char **tmpPaths = NULL;
     int *tmpPerms = NULL;
-    size_t i, tmpNpaths = 0;
+    size_t tmpNpaths = 0;
     int perm = 0;
 
     *npaths = 0;
@@ -11787,16 +11787,7 @@ qemuDomainGetHostdevPath(virDomainDefPtr def,
 
                 perm = VIR_CGROUP_DEVICE_RW;
                 if (teardown) {
-                    size_t nvfios = 0;
-                    for (i = 0; i < def->nhostdevs; i++) {
-                        virDomainHostdevDefPtr tmp = def->hostdevs[i];
-                        if (tmp->mode == VIR_DOMAIN_HOSTDEV_MODE_SUBSYS &&
-                            tmp->source.subsys.type == VIR_DOMAIN_HOSTDEV_SUBSYS_TYPE_PCI &&
-                            tmp->source.subsys.u.pci.backend == VIR_DOMAIN_HOSTDEV_PCI_BACKEND_VFIO)
-                            nvfios++;
-                    }
-
-                    if (nvfios == 0)
+                    if (!virDomainDefHasVFIOHostdev(def))
                         includeVFIO = true;
                 } else {
                     includeVFIO = true;
-- 
2.21.0