[libvirt] [PATCH v2 14/21] qemu: Prepare RNGs when starting a domain
When starting a domain and separate mount namespace is used, we
have to create all the /dev entries that are configured for the
domain.
Signed-off-by: Michal Privoznik <mprivozn(a)redhat.com>
---
src/qemu/qemu_domain.c | 43 +++++++++++++++++++++++++++++++++++++++++++
1 file changed, 43 insertions(+)
diff --git a/src/qemu/qemu_domain.c b/src/qemu/qemu_domain.c
index 6dd7c029d..a7d26e58c 100644
--- a/src/qemu/qemu_domain.c
+++ b/src/qemu/qemu_domain.c
@@ -7174,6 +7174,46 @@ qemuDomainSetupAllInputs(virQEMUDriverPtr driver,
}
+static int
+qemuDomainSetupRNG(virQEMUDriverPtr driver ATTRIBUTE_UNUSED,
+ virDomainRNGDefPtr rng,
+ const char *devPath)
+{
+ switch ((virDomainRNGBackend) rng->backend) {
+ case VIR_DOMAIN_RNG_BACKEND_RANDOM:
+ if (qemuDomainCreateDevice(rng->source.file, devPath, false) < 0)
+ return -1;
+
+ case VIR_DOMAIN_RNG_BACKEND_EGD:
+ case VIR_DOMAIN_RNG_BACKEND_LAST:
+ /* nada */
+ break;
+ }
+
+ return 0;
+}
+
+
+static int
+qemuDomainSetupAllRNGs(virQEMUDriverPtr driver,
+ virDomainObjPtr vm,
+ const char *devPath)
+{
+ size_t i;
+
+ VIR_DEBUG("Setting up RNGs");
+ for (i = 0; i < vm->def->nrngs; i++) {
+ if (qemuDomainSetupRNG(driver,
+ vm->def->rngs[i],
+ devPath) < 0)
+ return -1;
+ }
+
+ VIR_DEBUG("Setup all RNGs");
+ return 0;
+}
+
+
int
qemuDomainBuildNamespace(virQEMUDriverPtr driver,
virDomainObjPtr vm)
@@ -7221,6 +7261,9 @@ qemuDomainBuildNamespace(virQEMUDriverPtr driver,
if (qemuDomainSetupAllInputs(driver, vm, devPath) < 0)
goto cleanup;
+ if (qemuDomainSetupAllRNGs(driver, vm, devPath) < 0)
+ goto cleanup;
+
if (mount(devPath, "/dev", NULL, mount_flags, NULL) < 0) {
virReportSystemError(errno,
_("Failed to mount %s on /dev"),
--
2.11.0