bhyve: add support for wiring memory

The <memoryBacking><locked/></memoryBacking> element will now pass the
wired (-S) flag to the bhyve command.
Signed-off-by: NFabian Freyer <fabian.freyer@physik.tu-berlin.de>
Reviewed-by: NRoman Bogorodskiy <bogorodskiy@gmail.com>

src/bhyve/bhyve_command.c

@@ -474,6 +474,9 @@ virBhyveProcessBuildBhyveCmd(virConnectPtr conn,
     virCommandAddArgFormat(cmd, "%llu",
                            VIR_DIV_UP(virDomainDefGetMemoryInitial(def), 1024));
 
+    if (def->mem.locked)
+        virCommandAddArg(cmd, "-S"); /* Wire guest memory */
+
     /* Options */
     if (def->features[VIR_DOMAIN_FEATURE_ACPI] == VIR_TRISTATE_SWITCH_ON)
         virCommandAddArg(cmd, "-A"); /* Create an ACPI table */

src/bhyve/bhyve_parse_command.c

@@ -721,6 +721,9 @@ bhyveParseBhyveCommandLine(virDomainDefPtr def,
                 goto error;
             }
             break;
+        case 'S':
+            def->mem.locked = true;
+            break;
         }
     }