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/linux/fs/btrfs/
H A Duuid-tree.c7 #include <linux/uuid.h>
15 #include "uuid-tree.h"
18 static void btrfs_uuid_to_key(const u8 *uuid, u8 type, struct btrfs_key *key) in btrfs_uuid_to_key() argument
21 key->objectid = get_unaligned_le64(uuid); in btrfs_uuid_to_key()
22 key->offset = get_unaligned_le64(uuid + sizeof(u64)); in btrfs_uuid_to_key()
26 static int btrfs_uuid_tree_lookup(struct btrfs_root *uuid_root, const u8 *uuid, in btrfs_uuid_tree_lookup() argument
44 btrfs_uuid_to_key(uuid, type, &key); in btrfs_uuid_tree_lookup()
59 "uuid item with illegal size %lu!", in btrfs_uuid_tree_lookup()
78 int btrfs_uuid_tree_add(struct btrfs_trans_handle *trans, const u8 *uuid, u8 type, in btrfs_uuid_tree_add() argument
91 ret = btrfs_uuid_tree_lookup(uuid_root, uuid, type, subid_cpu); in btrfs_uuid_tree_add()
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/linux/Documentation/ABI/stable/
H A Dsysfs-bus-vmbus8 What: /sys/bus/vmbus/devices/<UUID>/id
15 What: /sys/bus/vmbus/devices/<UUID>/class_id
22 What: /sys/bus/vmbus/devices/<UUID>/device_id
29 What: /sys/bus/vmbus/devices/<UUID>/channel_vp_mapping
38 What: /sys/bus/vmbus/devices/<UUID>/device
45 What: /sys/bus/vmbus/devices/<UUID>/vendor
52 What: /sys/bus/vmbus/devices/<UUID>/numa_node
59 What: /sys/bus/vmbus/devices/<UUID>/channels/<N>
66 What: /sys/bus/vmbus/devices/<UUID>/channels/<N>/cpu
73 What: /sys/bus/vmbus/devices/<UUID>/channels/<N>/in_mask
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/linux/Documentation/filesystems/ext4/
H A Dchecksums.rst39 - The entire superblock up to the checksum field. The UUID lives inside
43 - UUID + the entire MMP block up to the checksum field.
46 - UUID + the entire extended attribute block. The checksum field is set to
50 - UUID + inode number + inode generation + the directory block up to the
54 - UUID + inode number + inode generation + all valid extents + HTREE tail.
58 - UUID + inode number + inode generation + the entire extent block up to
62 - UUID + the entire bitmap. Checksums are stored in the group descriptor,
66 - UUID + inode number + inode generation + the entire inode. The checksum
70 - If metadata_csum, then UUID + group number + the entire descriptor;
71 else if gdt_csum, then crc16(UUID + group number + the entire
/linux/drivers/nvdimm/
H A Dlabel.h10 #include <linux/uuid.h>
71 * @type: uuid identifying this label format (region)
72 * @uuid: uuid for the region this label describes
87 u8 uuid[NSLABEL_UUID_LEN]; member
103 * @uuid: UUID per RFC 4122
121 u8 uuid[NSLABEL_UUID_LEN]; member
145 * @type: uuid identifying this label format (namespace)
146 * @uuid: uuid for the namespace this label describes
163 u8 uuid[NSLABEL_UUID_LEN]; member
196 * @id: "pmem-<namespace uuid>"
H A Dnamespace_devs.c32 kfree(nspm->uuid); in namespace_pmem_release()
46 uuid2 = nspm->uuid; in is_uuid_busy()
50 uuid2 = nd_btt->uuid; in is_uuid_busy()
54 uuid2 = nd_pfn->uuid; in is_uuid_busy()
71 * nd_is_uuid_unique - verify that no other namespace has @uuid
73 * @uuid: uuid to check
75 * Returns: %true if the uuid is unique, %false if not
77 bool nd_is_uuid_unique(struct device *dev, uuid_t *uuid) in nd_is_uuid_unique() argument
84 if (device_for_each_child(&nvdimm_bus->dev, uuid, in nd_is_uuid_unique()
179 return nspm->uuid; in nd_dev_to_uuid()
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H A Dbtt_devs.c23 kfree(nd_btt->uuid); in nd_btt_release()
69 if (nd_btt->uuid) in uuid_show()
70 return sprintf(buf, "%pUb\n", nd_btt->uuid); in uuid_show()
81 rc = nd_uuid_store(dev, &nd_btt->uuid, buf, len); in uuid_store()
88 static DEVICE_ATTR_RW(uuid);
177 unsigned long lbasize, uuid_t *uuid, in __nd_btt_create() argument
192 if (uuid) { in __nd_btt_create()
193 uuid = kmemdup(uuid, 16, GFP_KERNEL); in __nd_btt_create()
194 if (!uuid) in __nd_btt_create()
197 nd_btt->uuid = uuid; in __nd_btt_create()
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H A Dlabel.c7 #include <linux/uuid.h>
343 char *nd_label_gen_id(struct nd_label_id *label_id, const uuid_t *uuid, in nd_label_gen_id() argument
346 if (!label_id || !uuid) in nd_label_gen_id()
348 snprintf(label_id->id, ND_LABEL_ID_SIZE, "pmem-%pUb", uuid); in nd_label_gen_id()
761 static enum nvdimm_claim_class uuid_to_nvdimm_cclass(uuid_t *uuid) in uuid_to_nvdimm_cclass() argument
763 if (uuid_equal(uuid, &nvdimm_btt_uuid)) in uuid_to_nvdimm_cclass()
765 else if (uuid_equal(uuid, &nvdimm_btt2_uuid)) in uuid_to_nvdimm_cclass()
767 else if (uuid_equal(uuid, &nvdimm_pfn_uuid)) in uuid_to_nvdimm_cclass()
769 else if (uuid_equal(uuid, &nvdimm_dax_uuid)) in uuid_to_nvdimm_cclass()
771 else if (uuid_equal(uuid, &uuid_null)) in uuid_to_nvdimm_cclass()
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/linux/include/uapi/cxl/
H A Dfeatures.h15 #include <linux/uuid.h>
58 * @uuid: UUID of the Feature
72 __uapi_uuid_t uuid; member
114 * @uuid: UUID for Feature
122 __uapi_uuid_t uuid; member
144 * @uuid: UUID for Feature
155 __uapi_uuid_t uuid;
/linux/fs/afs/
H A Dcmservice.c333 _debug("extract UUID"); in afs_deliver_cb_init_call_back_state3()
340 _debug("unmarshall UUID"); in afs_deliver_cb_init_call_back_state3()
372 pr_notice("Callback UUID does not match fileserver UUID\n"); in afs_deliver_cb_init_call_back_state3()
423 if (memcmp(r, &call->net->uuid, sizeof(call->net->uuid)) == 0) in SRXAFSCB_ProbeUuid()
454 _debug("extract UUID"); in afs_deliver_cb_probe_uuid()
461 _debug("unmarshall UUID"); in afs_deliver_cb_probe_uuid()
500 __be32 uuid[11]; in SRXAFSCB_TellMeAboutYourself() member
515 reply.ia.uuid[0] = call->net->uuid.time_low; in SRXAFSCB_TellMeAboutYourself()
516 reply.ia.uuid[1] = htonl(ntohs(call->net->uuid.time_mid)); in SRXAFSCB_TellMeAboutYourself()
517 reply.ia.uuid[2] = htonl(ntohs(call->net->uuid.time_hi_and_version)); in SRXAFSCB_TellMeAboutYourself()
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H A Dvlclient.c46 struct afs_uuid *uuid; in afs_deliver_vl_get_entry_by_name_u() local
62 uuid = (struct afs_uuid *)&entry->fs_server[n]; in afs_deliver_vl_get_entry_by_name_u()
63 uuid->time_low = xdr->time_low; in afs_deliver_vl_get_entry_by_name_u()
64 uuid->time_mid = htons(ntohl(xdr->time_mid)); in afs_deliver_vl_get_entry_by_name_u()
65 uuid->time_hi_and_version = htons(ntohl(xdr->time_hi_and_version)); in afs_deliver_vl_get_entry_by_name_u()
66 uuid->clock_seq_hi_and_reserved = (u8)ntohl(xdr->clock_seq_hi_and_reserved); in afs_deliver_vl_get_entry_by_name_u()
67 uuid->clock_seq_low = (u8)ntohl(xdr->clock_seq_low); in afs_deliver_vl_get_entry_by_name_u()
69 uuid->node[j] = (u8)ntohl(xdr->node[j]); in afs_deliver_vl_get_entry_by_name_u()
107 * Dispatch a get volume entry by name or ID operation (uuid variant). If the
189 /* Extract the returned uuid, uniquifier, nentries and in afs_deliver_vl_get_addrs_u()
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H A Dserver.c34 * Look up a server by its UUID and mark it active. The caller must hold
37 static struct afs_server *afs_find_server_by_uuid(struct afs_cell *cell, const uuid_t *uuid) in afs_find_server_by_uuid() argument
43 _enter("%pU", uuid); in afs_find_server_by_uuid()
49 diff = memcmp(uuid, &server->uuid, sizeof(*uuid)); in afs_find_server_by_uuid()
79 /* Firstly install the server in the UUID lookup tree */ in afs_install_server()
86 diff = memcmp(&(*candidate)->uuid, &server->uuid, sizeof(uuid_t)); in afs_install_server()
113 static struct afs_server *afs_alloc_server(struct afs_cell *cell, const uuid_t *uuid) in afs_alloc_server() argument
128 server->uuid = *uuid; in afs_alloc_server()
163 alist = afs_yfsvl_get_endpoints(&vc, &server->uuid); in afs_vl_lookup_addrs()
165 alist = afs_vl_get_addrs_u(&vc, &server->uuid); in afs_vl_lookup_addrs()
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/linux/include/linux/
H A Duuid.h3 * UUID/GUID definition
38 * The length of a UUID string ("aaaaaaaa-bbbb-cccc-dddd-eeeeeeeeeeee")
91 static inline bool uuid_is_null(const uuid_t *uuid) in uuid_is_null() argument
93 return uuid_equal(uuid, &uuid_null); in uuid_is_null()
96 void generate_random_uuid(unsigned char uuid[16]);
102 bool __must_check uuid_is_valid(const char *uuid);
107 int guid_parse(const char *uuid, guid_t *u);
108 int uuid_parse(const char *uuid, uuid_t *u);
H A Dvirtio_dma_buf.h12 #include <linux/uuid.h>
20 * @get_uuid: [required] callback to get the uuid of the exported object.
26 int (*get_uuid)(struct dma_buf *dma_buf, uuid_t *uuid);
35 int virtio_dma_buf_get_uuid(struct dma_buf *dma_buf, uuid_t *uuid);
/linux/tools/power/acpi/tools/pfrut/
H A Dpfrut.c24 #include <uuid/uuid.h>
169 char *uuid; in print_cap() local
171 uuid = malloc(37); in print_cap()
172 if (!uuid) { in print_cap()
173 perror("Can not allocate uuid buffer\n"); in print_cap()
179 uuid_unparse(cap->code_type, uuid); in print_cap()
180 printf("code injection image type:%s\n", uuid); in print_cap()
184 uuid_unparse(cap->drv_type, uuid); in print_cap()
185 printf("driver update image type:%s\n", uuid); in print_cap()
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/linux/tools/testing/selftests/pstore/
H A Dcommon_tests57 TEST_STRING_PATTERN="Testing pstore: uuid="
58 UUID=`cat /proc/sys/kernel/random/uuid`
60 LOG_DIR=$TOP_DIR/logs/`date +%Y%m%d-%H%M%S`_${UUID}/
74 prlog "UUID="$UUID
/linux/drivers/md/
H A Ddm-ioctl.c41 * name or uuid.
51 char *uuid; member
77 * Protects use of mdptr to obtain hash cell name and uuid from mapped device.
118 c = strcmp(hc->uuid, str); in __get_uuid_cell()
185 c = strcmp(hc->uuid, new_hc->uuid); in __link_uuid()
218 static struct hash_cell *alloc_cell(const char *name, const char *uuid, in alloc_cell() argument
233 if (!uuid) in alloc_cell()
234 hc->uuid = NULL; in alloc_cell()
237 hc->uuid = kstrdup(uuid, GFP_KERNEL); in alloc_cell()
238 if (!hc->uuid) { in alloc_cell()
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/linux/drivers/virtio/
H A Dvirtio_dma_buf.c18 * for the object's UUID.
70 * virtio_dma_buf_get_uuid - gets a virtio dma-buf's exported object's uuid
72 * @uuid: [out] the uuid
77 uuid_t *uuid) in virtio_dma_buf_get_uuid() argument
86 return ops->get_uuid(dma_buf, uuid); in virtio_dma_buf_get_uuid()
/linux/include/linux/device-id/
H A Dtee_client.h6 #include <linux/uuid.h>
11 * @uuid: For TEE based client devices we use the device uuid as
15 uuid_t uuid; member
H A Dmei_cl.h18 * @uuid: client uuid
22 * identifies mei client device by uuid and name
26 uuid_le uuid; member
/linux/fs/nfs_common/
H A Dnfslocalio.c69 uuid_gen(&nfs_uuid->uuid); in nfs_uuid_begin()
91 static nfs_uuid_t * nfs_uuid_lookup_locked(const uuid_t *uuid) in nfs_uuid_lookup_locked() argument
96 if (uuid_equal(&nfs_uuid->uuid, uuid)) in nfs_uuid_lookup_locked()
104 void nfs_uuid_is_local(const uuid_t *uuid, struct list_head *list, in nfs_uuid_is_local() argument
111 nfs_uuid = nfs_uuid_lookup_locked(uuid); in nfs_uuid_is_local()
265 struct nfsd_file *nfs_open_local_fh(nfs_uuid_t *uuid, in nfs_open_local_fh() argument
277 * uuid->net is NOT a counted reference, but rcu_read_lock() ensures that in nfs_open_local_fh()
278 * if uuid->net is not NULL, then calling nfsd_net_try_get() is safe in nfs_open_local_fh()
285 net = rcu_dereference(uuid->net); in nfs_open_local_fh()
292 localio = nfs_to->nfsd_open_local_fh(net, uuid->dom, rpc_clnt, cred, in nfs_open_local_fh()
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/linux/drivers/mfd/
H A Dwm831x-otp.c59 char uuid[WM831X_UNIQUE_ID_LEN]; in wm831x_otp_init() local
67 ret = wm831x_unique_id_read(wm831x, uuid); in wm831x_otp_init()
69 add_device_randomness(uuid, sizeof(uuid)); in wm831x_otp_init()
71 dev_err(wm831x->dev, "Failed to read UUID: %d\n", ret); in wm831x_otp_init()
/linux/Documentation/ABI/testing/
H A Dsysfs-bus-optee-devices1 What: /sys/bus/tee/devices/optee-ta-<uuid>/
6 OP-TEE bus provides reference to registered drivers under this directory. The <uuid>
8 are free to create needed API under optee-ta-<uuid> directory.
10 What: /sys/bus/tee/devices/optee-ta-<uuid>/need_supplicant
/linux/drivers/hwtracing/stm/
H A Dp_sys-t.c11 #include <linux/uuid.h>
107 uuid_t uuid; member
123 uuid_gen(&pn->uuid); in sys_t_policy_node_init()
151 return sprintf(page, "%pU\n", &pn->uuid); in sys_t_policy_uuid_show()
163 ret = uuid_parse(page, &pn->uuid); in sys_t_policy_uuid_store()
169 CONFIGFS_ATTR(sys_t_policy_, uuid);
376 u8 uuid[UUID_SIZE]; in sys_t_write() local
407 export_uuid(uuid, &op->node.uuid); in sys_t_write()
408 sz = stm_data_write(data, m, c, false, uuid, sizeof(op->node.uuid)); in sys_t_write()
/linux/drivers/firmware/arm_ffa/
H A Ddriver.c44 #include <linux/uuid.h>
304 uuid_t uuid; in __ffa_partition_info_get() member
312 import_uuid(&buf->uuid, (u8 *)&rx_buf->uuid); in __ffa_partition_info_get()
397 uuid_t uuid; in __ffa_partition_info_get_regs() member
410 uuid_copy(&buf->uuid, &uuid_regs.uuid); in __ffa_partition_info_get_regs()
422 ffa_partition_probe(const uuid_t *uuid, struct ffa_partition_info **buffer) in ffa_partition_probe() argument
432 export_uuid((u8 *)uuid0_4, uuid); in ffa_partition_probe()
548 uuid_copy(&msg->uuid, &dev->uuid); in ffa_msg_send2()
563 static int ffa_msg_send_direct_req2(u16 src_id, u16 dst_id, const uuid_t *uuid, in ffa_msg_send_direct_req2() argument
568 uuid_t uuid; in ffa_msg_send_direct_req2() member
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/linux/scripts/mod/
H A Dfile2alias.c105 /* UUID types for backward compatibility, don't use in new code */
116 /* MEI UUID type, don't use anywhere else */
159 static inline void add_uuid(char *str, uuid_le uuid) in add_uuid() argument
164 uuid.b[3], uuid.b[2], uuid.b[1], uuid.b[0], in add_uuid()
165 uuid.b[5], uuid.b[4], uuid in add_uuid()
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