#define _LINUX_AUTO_FS4_H
/* Include common v3 definitions */
+#include <linux/types.h>
#include <linux/auto_fs.h>
/* autofs v4 definitions */
#undef AUTOFS_MIN_PROTO_VERSION
#undef AUTOFS_MAX_PROTO_VERSION
-#define AUTOFS_PROTO_VERSION 4
+#define AUTOFS_PROTO_VERSION 5
#define AUTOFS_MIN_PROTO_VERSION 3
-#define AUTOFS_MAX_PROTO_VERSION 4
+#define AUTOFS_MAX_PROTO_VERSION 5
-#define AUTOFS_PROTO_SUBVERSION 5
+#define AUTOFS_PROTO_SUBVERSION 1
/* Mask for expire behaviour */
#define AUTOFS_EXP_IMMEDIATE 1
#define AUTOFS_EXP_LEAVES 2
-/* New message type */
-#define autofs_ptype_expire_multi 2 /* Expire entry (umount request) */
+#define AUTOFS_TYPE_ANY 0U
+#define AUTOFS_TYPE_INDIRECT 1U
+#define AUTOFS_TYPE_DIRECT 2U
+#define AUTOFS_TYPE_OFFSET 4U
+
+static inline void set_autofs_type_indirect(unsigned int *type)
+{
+ *type = AUTOFS_TYPE_INDIRECT;
+ return;
+}
+
+static inline unsigned int autofs_type_indirect(unsigned int type)
+{
+ return (type == AUTOFS_TYPE_INDIRECT);
+}
+
+static inline void set_autofs_type_direct(unsigned int *type)
+{
+ *type = AUTOFS_TYPE_DIRECT;
+ return;
+}
+
+static inline unsigned int autofs_type_direct(unsigned int type)
+{
+ return (type == AUTOFS_TYPE_DIRECT);
+}
+
+static inline void set_autofs_type_offset(unsigned int *type)
+{
+ *type = AUTOFS_TYPE_OFFSET;
+ return;
+}
+
+static inline unsigned int autofs_type_offset(unsigned int type)
+{
+ return (type == AUTOFS_TYPE_OFFSET);
+}
+
+static inline unsigned int autofs_type_trigger(unsigned int type)
+{
+ return (type == AUTOFS_TYPE_DIRECT || type == AUTOFS_TYPE_OFFSET);
+}
+
+/*
+ * This isn't really a type as we use it to say "no type set" to
+ * indicate we want to search for "any" mount in the
+ * autofs_dev_ioctl_ismountpoint() device ioctl function.
+ */
+static inline void set_autofs_type_any(unsigned int *type)
+{
+ *type = AUTOFS_TYPE_ANY;
+ return;
+}
+
+static inline unsigned int autofs_type_any(unsigned int type)
+{
+ return (type == AUTOFS_TYPE_ANY);
+}
+
+/* Daemon notification packet types */
+enum autofs_notify {
+ NFY_NONE,
+ NFY_MOUNT,
+ NFY_EXPIRE
+};
+
+/* Kernel protocol version 4 packet types */
+
+/* Expire entry (umount request) */
+#define autofs_ptype_expire_multi 2
+
+/* Kernel protocol version 5 packet types */
+
+/* Indirect mount missing and expire requests. */
+#define autofs_ptype_missing_indirect 3
+#define autofs_ptype_expire_indirect 4
+
+/* Direct mount missing and expire requests */
+#define autofs_ptype_missing_direct 5
+#define autofs_ptype_expire_direct 6
/* v4 multi expire (via pipe) */
struct autofs_packet_expire_multi {
struct autofs_packet_expire_multi expire_multi;
};
+/* autofs v5 common packet struct */
+struct autofs_v5_packet {
+ struct autofs_packet_hdr hdr;
+ autofs_wqt_t wait_queue_token;
+ __u32 dev;
+ __u64 ino;
+ __u32 uid;
+ __u32 gid;
+ __u32 pid;
+ __u32 tgid;
+ __u32 len;
+ char name[NAME_MAX+1];
+};
+
+typedef struct autofs_v5_packet autofs_packet_missing_indirect_t;
+typedef struct autofs_v5_packet autofs_packet_expire_indirect_t;
+typedef struct autofs_v5_packet autofs_packet_missing_direct_t;
+typedef struct autofs_v5_packet autofs_packet_expire_direct_t;
+
+union autofs_v5_packet_union {
+ struct autofs_packet_hdr hdr;
+ struct autofs_v5_packet v5_packet;
+ autofs_packet_missing_indirect_t missing_indirect;
+ autofs_packet_expire_indirect_t expire_indirect;
+ autofs_packet_missing_direct_t missing_direct;
+ autofs_packet_expire_direct_t expire_direct;
+};
+
#define AUTOFS_IOC_EXPIRE_MULTI _IOW(0x93,0x66,int)
+#define AUTOFS_IOC_EXPIRE_INDIRECT AUTOFS_IOC_EXPIRE_MULTI
+#define AUTOFS_IOC_EXPIRE_DIRECT AUTOFS_IOC_EXPIRE_MULTI
#define AUTOFS_IOC_PROTOSUBVER _IOR(0x93,0x67,int)
-#define AUTOFS_IOC_ASKREGHOST _IOR(0x93,0x68,int)
-#define AUTOFS_IOC_TOGGLEREGHOST _IOR(0x93,0x69,int)
#define AUTOFS_IOC_ASKUMOUNT _IOR(0x93,0x70,int)