[libvirt] [RFC v2 09/16] qemu: add qemuSecurityStartVhostUserGPU helper
From: Marc-André Lureau <marcandre.lureau(a)redhat.com>
See function documentation, used in following patch.
Signed-off-by: Marc-André Lureau <marcandre.lureau(a)redhat.com>
---
src/qemu/qemu_security.c | 48 ++++++++++++++++++++++++++++++++++++++++
src/qemu/qemu_security.h | 6 +++++
2 files changed, 54 insertions(+)
diff --git a/src/qemu/qemu_security.c b/src/qemu/qemu_security.c
index af3be42854..c722d19ca4 100644
--- a/src/qemu/qemu_security.c
+++ b/src/qemu/qemu_security.c
@@ -426,6 +426,54 @@ qemuSecurityRestoreChardevLabel(virQEMUDriverPtr driver,
}
+/*
+ * qemuSecurityStartVhostUserGPU:
+ *
+ * @driver: the QEMU driver
+ * @def: the domain definition
+ * @cmd: the command to run
+ * @existstatus: pointer to int returning exit status of process
+ * @cmdret: pointer to int returning result of virCommandRun
+ *
+ * Start the vhost-user-gpu process with approriate labels.
+ * This function returns -1 on security setup error, 0 if all the
+ * setup was done properly. In case the virCommand failed to run
+ * 0 is returned but cmdret is set appropriately with the process
+ * exitstatus also set.
+ */
+int
+qemuSecurityStartVhostUserGPU(virQEMUDriverPtr driver,
+ virDomainDefPtr def,
+ virCommandPtr cmd,
+ int *exitstatus,
+ int *cmdret)
+{
+ int ret = -1;
+
+ if (virSecurityManagerSetChildProcessLabel(driver->securityManager,
+ def, cmd) < 0)
+ goto cleanup;
+
+ if (virSecurityManagerPreFork(driver->securityManager) < 0)
+ goto cleanup;
+
+ ret = 0;
+
+ *cmdret = virCommandRun(cmd, exitstatus);
+
+ virSecurityManagerPostFork(driver->securityManager);
+
+ if (*cmdret < 0)
+ goto cleanup;
+
+ return 0;
+
+cleanup:
+
+ return ret;
+}
+
+
/*
* qemuSecurityStartTPMEmulator:
*
diff --git a/src/qemu/qemu_security.h b/src/qemu/qemu_security.h
index a189b63828..75131120b9 100644
--- a/src/qemu/qemu_security.h
+++ b/src/qemu/qemu_security.h
@@ -84,6 +84,12 @@ int qemuSecurityRestoreChardevLabel(virQEMUDriverPtr driver,
virDomainObjPtr vm,
virDomainChrDefPtr chr);
+int qemuSecurityStartVhostUserGPU(virQEMUDriverPtr driver,
+ virDomainDefPtr def,
+ virCommandPtr cmd,
+ int *exitstatus,
+ int *cmdret);
+
int qemuSecurityStartTPMEmulator(virQEMUDriverPtr driver,
virDomainDefPtr def,
virCommandPtr cmd,
--
2.19.0.rc0.48.gb9dfa238d5