Merge branch 'uuid-types'

Merge branch 'uuid-types' from git://git.infradead.org/users/hch/uuid.git
to satisfy dependencies.

include/linux/acpi.h

@@ -26,6 +26,7 @@
 #include <linux/resource_ext.h>
 #include <linux/device.h>
 #include <linux/property.h>
+#include <linux/uuid.h>
 
 #ifndef _LINUX
 #define _LINUX
@@ -457,7 +458,6 @@ struct acpi_osc_context {
 	struct acpi_buffer ret;		/* free by caller if success */
 };
 
-acpi_status acpi_str_to_uuid(char *str, u8 *uuid);
 acpi_status acpi_run_osc(acpi_handle handle, struct acpi_osc_context *context);
 
 /* Indexes into _OSC Capabilities Buffer (DWORDs 2 & 3 are device-specific) */
@@ -741,7 +741,7 @@ static inline bool acpi_driver_match_device(struct device *dev,
 }
 
 static inline union acpi_object *acpi_evaluate_dsm(acpi_handle handle,
-						   const u8 *uuid,
+						   const guid_t *guid,
 						   int rev, int func,
 						   union acpi_object *argv4)
 {

include/linux/cleancache.h

@@ -27,7 +27,7 @@ struct cleancache_filekey {
 
 struct cleancache_ops {
 	int (*init_fs)(size_t);
-	int (*init_shared_fs)(char *uuid, size_t);
+	int (*init_shared_fs)(uuid_t *uuid, size_t);
 	int (*get_page)(int, struct cleancache_filekey,
 			pgoff_t, struct page *);
 	void (*put_page)(int, struct cleancache_filekey,

include/linux/fs.h

@@ -30,6 +30,7 @@
 #include <linux/percpu-rwsem.h>
 #include <linux/workqueue.h>
 #include <linux/delayed_call.h>
+#include <linux/uuid.h>
 
 #include <asm/byteorder.h>
 #include <uapi/linux/fs.h>
@@ -1328,8 +1329,8 @@ struct super_block {
 
 	struct sb_writers	s_writers;
 
-	char s_id[32];				/* Informational name */
-	u8 s_uuid[16];				/* UUID */
+	char			s_id[32];	/* Informational name */
+	uuid_t			s_uuid;		/* UUID */
 
 	void 			*s_fs_info;	/* Filesystem private info */
 	unsigned int		s_max_links;

include/linux/genhd.h

@@ -219,12 +219,6 @@ static inline struct gendisk *part_to_disk(struct hd_struct *part)
 	return NULL;
 }
 
-static inline int blk_part_pack_uuid(const u8 *uuid_str, u8 *to)
-{
-	uuid_be_to_bin(uuid_str, (uuid_be *)to);
-	return 0;
-}
-
 static inline int disk_max_parts(struct gendisk *disk)
 {
 	if (disk->flags & GENHD_FL_EXT_DEVT)
@@ -736,11 +730,6 @@ static inline dev_t blk_lookup_devt(const char *name, int partno)
 	dev_t devt = MKDEV(0, 0);
 	return devt;
 }
-
-static inline int blk_part_pack_uuid(const u8 *uuid_str, u8 *to)
-{
-	return -EINVAL;
-}
 #endif /* CONFIG_BLOCK */
 
 #endif /* _LINUX_GENHD_H */

include/linux/nvme-fc.h

@@ -177,7 +177,6 @@ struct fcnvme_lsdesc_rjt {
 };
 
 
-#define FCNVME_ASSOC_HOSTID_LEN		16
 #define FCNVME_ASSOC_HOSTNQN_LEN	256
 #define FCNVME_ASSOC_SUBNQN_LEN		256
 
@@ -191,7 +190,7 @@ struct fcnvme_lsdesc_cr_assoc_cmd {
 	__be16	cntlid;
 	__be16	sqsize;
 	__be32	rsvd52;
-	u8	hostid[FCNVME_ASSOC_HOSTID_LEN];
+	uuid_t	hostid;
 	u8	hostnqn[FCNVME_ASSOC_HOSTNQN_LEN];
 	u8	subnqn[FCNVME_ASSOC_SUBNQN_LEN];
 	u8	rsvd632[384];

include/linux/nvme.h

@@ -16,6 +16,7 @@
 #define _LINUX_NVME_H
 
 #include <linux/types.h>
+#include <linux/uuid.h>
 
 /* NQN names in commands fields specified one size */
 #define NVMF_NQN_FIELD_LEN	256
@@ -843,7 +844,7 @@ struct nvmf_connect_command {
 };
 
 struct nvmf_connect_data {
-	__u8		hostid[16];
+	uuid_t		hostid;
 	__le16		cntlid;
 	char		resv4[238];
 	char		subsysnqn[NVMF_NQN_FIELD_LEN];

include/linux/pci-acpi.h

@@ -105,7 +105,7 @@ static inline void acpiphp_remove_slots(struct pci_bus *bus) { }
 static inline void acpiphp_check_host_bridge(struct acpi_device *adev) { }
 #endif
 
-extern const u8 pci_acpi_dsm_uuid[];
+extern const guid_t pci_acpi_dsm_guid;
 #define DEVICE_LABEL_DSM	0x07
 #define RESET_DELAY_DSM		0x08
 #define FUNCTION_DELAY_DSM	0x09

include/linux/uuid.h

@@ -18,29 +18,16 @@
 
 #include <uapi/linux/uuid.h>
 
-/*
- * V1 (time-based) UUID definition [RFC 4122].
- * - the timestamp is a 60-bit value, split 32/16/12, and goes in 100ns
- *   increments since midnight 15th October 1582
- *   - add AFS_UUID_TO_UNIX_TIME to convert unix time in 100ns units to UUID
- *     time
- * - the clock sequence is a 14-bit counter to avoid duplicate times
- */
-struct uuid_v1 {
-	__be32		time_low;			/* low part of timestamp */
-	__be16		time_mid;			/* mid part of timestamp */
-	__be16		time_hi_and_version;		/* high part of timestamp and version  */
-#define UUID_TO_UNIX_TIME	0x01b21dd213814000ULL
-#define UUID_TIMEHI_MASK	0x0fff
-#define UUID_VERSION_TIME	0x1000	/* time-based UUID */
-#define UUID_VERSION_NAME	0x3000	/* name-based UUID */
-#define UUID_VERSION_RANDOM	0x4000	/* (pseudo-)random generated UUID */
-	u8		clock_seq_hi_and_reserved;	/* clock seq hi and variant */
-#define UUID_CLOCKHI_MASK	0x3f
-#define UUID_VARIANT_STD	0x80
-	u8		clock_seq_low;			/* clock seq low */
-	u8		node[6];			/* spatially unique node ID (MAC addr) */
-};
+typedef struct {
+	__u8 b[16];
+} uuid_t;
+
+#define UUID_INIT(a, b, c, d0, d1, d2, d3, d4, d5, d6, d7)			\
+((uuid_t)								\
+{{ ((a) >> 24) & 0xff, ((a) >> 16) & 0xff, ((a) >> 8) & 0xff, (a) & 0xff, \
+   ((b) >> 8) & 0xff, (b) & 0xff,					\
+   ((c) >> 8) & 0xff, (c) & 0xff,					\
+   (d0), (d1), (d2), (d3), (d4), (d5), (d6), (d7) }})
 
 /*
  * The length of a UUID string ("aaaaaaaa-bbbb-cccc-dddd-eeeeeeeeeeee")
@@ -48,27 +35,73 @@ struct uuid_v1 {
  */
 #define	UUID_STRING_LEN		36
 
-static inline int uuid_le_cmp(const uuid_le u1, const uuid_le u2)
+extern const guid_t guid_null;
+extern const uuid_t uuid_null;
+
+static inline bool guid_equal(const guid_t *u1, const guid_t *u2)
 {
-	return memcmp(&u1, &u2, sizeof(uuid_le));
+	return memcmp(u1, u2, sizeof(guid_t)) == 0;
 }
 
-static inline int uuid_be_cmp(const uuid_be u1, const uuid_be u2)
+static inline void guid_copy(guid_t *dst, const guid_t *src)
 {
-	return memcmp(&u1, &u2, sizeof(uuid_be));
+	memcpy(dst, src, sizeof(guid_t));
+}
+
+static inline bool guid_is_null(guid_t *guid)
+{
+	return guid_equal(guid, &guid_null);
+}
+
+static inline bool uuid_equal(const uuid_t *u1, const uuid_t *u2)
+{
+	return memcmp(u1, u2, sizeof(uuid_t)) == 0;
+}
+
+static inline void uuid_copy(uuid_t *dst, const uuid_t *src)
+{
+	memcpy(dst, src, sizeof(uuid_t));
+}
+
+static inline bool uuid_is_null(uuid_t *uuid)
+{
+	return uuid_equal(uuid, &uuid_null);
 }
 
 void generate_random_uuid(unsigned char uuid[16]);
 
-extern void uuid_le_gen(uuid_le *u);
-extern void uuid_be_gen(uuid_be *u);
+extern void guid_gen(guid_t *u);
+extern void uuid_gen(uuid_t *u);
 
 bool __must_check uuid_is_valid(const char *uuid);
 
-extern const u8 uuid_le_index[16];
-extern const u8 uuid_be_index[16];
+extern const u8 guid_index[16];
+extern const u8 uuid_index[16];
 
-int uuid_le_to_bin(const char *uuid, uuid_le *u);
-int uuid_be_to_bin(const char *uuid, uuid_be *u);
+int guid_parse(const char *uuid, guid_t *u);
+int uuid_parse(const char *uuid, uuid_t *u);
+
+/* backwards compatibility, don't use in new code */
+typedef uuid_t uuid_be;
+#define UUID_BE(a, _b, c, d0, d1, d2, d3, d4, d5, d6, d7) \
+	UUID_INIT(a, _b, c, d0, d1, d2, d3, d4, d5, d6, d7)
+#define NULL_UUID_BE 							\
+	UUID_BE(0x00000000, 0x0000, 0x0000, 0x00, 0x00, 0x00, 0x00,	\
+	     0x00, 0x00, 0x00, 0x00)
+
+#define uuid_le_gen(u)		guid_gen(u)
+#define uuid_be_gen(u)		uuid_gen(u)
+#define uuid_le_to_bin(guid, u)	guid_parse(guid, u)
+#define uuid_be_to_bin(uuid, u)	uuid_parse(uuid, u)
+
+static inline int uuid_le_cmp(const guid_t u1, const guid_t u2)
+{
+	return memcmp(&u1, &u2, sizeof(guid_t));
+}
+
+static inline int uuid_be_cmp(const uuid_t u1, const uuid_t u2)
+{
+	return memcmp(&u1, &u2, sizeof(uuid_t));
+}
 
 #endif