virtio-9p: Introduces an option to specify the security model.

[mirror_qemu.git] / vl.c

diff --git a/vl.c b/vl.c
index e5e43b359313163b80c117b42faed8bde84adc0b..43d3d0ec21929f6a3f67a5ce1223814f0b23b62d 100644 (file)
--- a/vl.c
+++ b/vl.c
@@ -2300,10 +2300,21 @@ int main(int argc, char **argv, char **envp)
                     exit(1);
                 }
 
-                len = strlen(",id=,path=");
+                if (qemu_opt_get(opts, "fstype") == NULL ||
+                        qemu_opt_get(opts, "mount_tag") == NULL ||
+                        qemu_opt_get(opts, "path") == NULL ||
+                        qemu_opt_get(opts, "security_model") == NULL) {
+                    fprintf(stderr, "Usage: -virtfs fstype,path=/share_path/,"
+                            "security_model=[mapped|passthrough],"
+                            "mnt_tag=tag.\n");
+                    exit(1);
+                }
+
+                len = strlen(",id=,path=,security_model=");
                 len += strlen(qemu_opt_get(opts, "fstype"));
                 len += strlen(qemu_opt_get(opts, "mount_tag"));
                 len += strlen(qemu_opt_get(opts, "path"));
+                len += strlen(qemu_opt_get(opts, "security_model"));
                 arg_fsdev = qemu_malloc((len + 1) * sizeof(*arg_fsdev));
 
                 if (!arg_fsdev) {
@@ -2312,10 +2323,11 @@ int main(int argc, char **argv, char **envp)
                     exit(1);
                 }
 
-                sprintf(arg_fsdev, "%s,id=%s,path=%s",
+                sprintf(arg_fsdev, "%s,id=%s,path=%s,security_model=%s",
                                 qemu_opt_get(opts, "fstype"),
                                 qemu_opt_get(opts, "mount_tag"),
-                                qemu_opt_get(opts, "path"));
+                                qemu_opt_get(opts, "path"),
+                                qemu_opt_get(opts, "security_model"));
 
                 len = strlen("virtio-9p-pci,fsdev=,mount_tag=");
                 len += 2*strlen(qemu_opt_get(opts, "mount_tag"));