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/*
  Copyright (c) 2008-2019 Red Hat, Inc. <http://www.redhat.com>
  This file is part of GlusterFS.

  This file is licensed to you under your choice of the GNU Lesser
  General Public License, version 3 or any later version (LGPLv3 or
  later), or the GNU General Public License, version 2 (GPLv2), in all
  cases as published by the Free Software Foundation.
*/

#ifndef _GLUSTERFS_FOPS_H_
#define _GLUSTERFS_FOPS_H_

#include <glusterfs/compat.h>

enum glusterfs_fop_t {
    GF_FOP_NULL = 0,
    GF_FOP_STAT = 0 + 1,
    GF_FOP_READLINK = 0 + 2,
    GF_FOP_MKNOD = 0 + 3,
    GF_FOP_MKDIR = 0 + 4,
    GF_FOP_UNLINK = 0 + 5,
    GF_FOP_RMDIR = 0 + 6,
    GF_FOP_SYMLINK = 0 + 7,
    GF_FOP_RENAME = 0 + 8,
    GF_FOP_LINK = 0 + 9,
    GF_FOP_TRUNCATE = 0 + 10,
    GF_FOP_OPEN = 0 + 11,
    GF_FOP_READ = 0 + 12,
    GF_FOP_WRITE = 0 + 13,
    GF_FOP_STATFS = 0 + 14,
    GF_FOP_FLUSH = 0 + 15,
    GF_FOP_FSYNC = 0 + 16,
    GF_FOP_SETXATTR = 0 + 17,
    GF_FOP_GETXATTR = 0 + 18,
    GF_FOP_REMOVEXATTR = 0 + 19,
    GF_FOP_OPENDIR = 0 + 20,
    GF_FOP_FSYNCDIR = 0 + 21,
    GF_FOP_ACCESS = 0 + 22,
    GF_FOP_CREATE = 0 + 23,
    GF_FOP_FTRUNCATE = 0 + 24,
    GF_FOP_FSTAT = 0 + 25,
    GF_FOP_LK = 0 + 26,
    GF_FOP_LOOKUP = 0 + 27,
    GF_FOP_READDIR = 0 + 28,
    GF_FOP_INODELK = 0 + 29,
    GF_FOP_FINODELK = 0 + 30,
    GF_FOP_ENTRYLK = 0 + 31,
    GF_FOP_FENTRYLK = 0 + 32,
    GF_FOP_XATTROP = 0 + 33,
    GF_FOP_FXATTROP = 0 + 34,
    GF_FOP_FGETXATTR = 0 + 35,
    GF_FOP_FSETXATTR = 0 + 36,
    GF_FOP_RCHECKSUM = 0 + 37,
    GF_FOP_SETATTR = 0 + 38,
    GF_FOP_FSETATTR = 0 + 39,
    GF_FOP_READDIRP = 0 + 40,
    GF_FOP_FORGET = 0 + 41,
    GF_FOP_RELEASE = 0 + 42,
    GF_FOP_RELEASEDIR = 0 + 43,
    GF_FOP_GETSPEC = 0 + 44,
    GF_FOP_FREMOVEXATTR = 0 + 45,
    GF_FOP_FALLOCATE = 0 + 46,
    GF_FOP_DISCARD = 0 + 47,
    GF_FOP_ZEROFILL = 0 + 48,
    GF_FOP_IPC = 0 + 49,
    GF_FOP_SEEK = 0 + 50,
    GF_FOP_LEASE = 0 + 51,
    GF_FOP_COMPOUND = 0 + 52,
    GF_FOP_GETACTIVELK = 0 + 53,
    GF_FOP_SETACTIVELK = 0 + 54,
    GF_FOP_PUT = 0 + 55,
    GF_FOP_ICREATE = 0 + 56,
    GF_FOP_NAMELINK = 0 + 57,
    GF_FOP_COPY_FILE_RANGE = 0 + 58,
    GF_FOP_MAXVALUE = 0 + 59,
};
typedef enum glusterfs_fop_t glusterfs_fop_t;

enum glusterfs_event_t {
    GF_EVENT_PARENT_UP = 1,
    GF_EVENT_POLLIN = 1 + 1,
    GF_EVENT_POLLOUT = 1 + 2,
    GF_EVENT_POLLERR = 1 + 3,
    GF_EVENT_CHILD_UP = 1 + 4,
    GF_EVENT_CHILD_DOWN = 1 + 5,
    GF_EVENT_CHILD_CONNECTING = 1 + 6,
    GF_EVENT_CLEANUP = 9,
    GF_EVENT_TRANSPORT_CONNECTED = 9 + 1,
    GF_EVENT_VOLFILE_MODIFIED = 9 + 2,
    GF_EVENT_GRAPH_NEW = 9 + 3,
    GF_EVENT_TRANSLATOR_INFO = 9 + 4,
    GF_EVENT_TRANSLATOR_OP = 9 + 5,
    GF_EVENT_AUTH_FAILED = 9 + 6,
    GF_EVENT_VOLUME_DEFRAG = 9 + 7,
    GF_EVENT_PARENT_DOWN = 9 + 8,
    GF_EVENT_VOLUME_BARRIER_OP = 9 + 9,
    GF_EVENT_UPCALL = 9 + 10,
    GF_EVENT_SCRUB_STATUS = 9 + 11,
    GF_EVENT_SOME_DESCENDENT_DOWN = 9 + 12,
    GF_EVENT_SCRUB_ONDEMAND = 9 + 13,
    GF_EVENT_SOME_DESCENDENT_UP = 9 + 14,
    GF_EVENT_CHILD_PING = 9 + 15,
    GF_EVENT_MAXVAL = 9 + 16,
};
typedef enum glusterfs_event_t glusterfs_event_t;

enum gf_op_type_t {
    GF_OP_TYPE_NULL = 0,
    GF_OP_TYPE_FOP = 0 + 1,
    GF_OP_TYPE_MGMT = 0 + 2,
    GF_OP_TYPE_MAX = 0 + 3,
};
typedef enum gf_op_type_t gf_op_type_t;

enum glusterfs_lk_cmds_t {
    GF_LK_GETLK = 0,
    GF_LK_SETLK = 0 + 1,
    GF_LK_SETLKW = 0 + 2,
    GF_LK_RESLK_LCK = 0 + 3,
    GF_LK_RESLK_LCKW = 0 + 4,
    GF_LK_RESLK_UNLCK = 0 + 5,
    GF_LK_GETLK_FD = 0 + 6,
};
typedef enum glusterfs_lk_cmds_t glusterfs_lk_cmds_t;

enum glusterfs_lk_types_t {
    GF_LK_F_RDLCK = 0,
    GF_LK_F_WRLCK = 0 + 1,
    GF_LK_F_UNLCK = 0 + 2,
    GF_LK_EOL = 0 + 3,
};
typedef enum glusterfs_lk_types_t glusterfs_lk_types_t;

enum gf_lease_types_t {
    NONE = 0,
    GF_RD_LEASE = 1,
    GF_RW_LEASE = 2,
    GF_LEASE_MAX_TYPE = 2 + 1,
};
typedef enum gf_lease_types_t gf_lease_types_t;

enum gf_lease_cmds_t {
    GF_GET_LEASE = 1,
    GF_SET_LEASE = 2,
    GF_UNLK_LEASE = 3,
};
typedef enum gf_lease_cmds_t gf_lease_cmds_t;

#define LEASE_ID_SIZE 16 /* 128bits */

struct gf_lease {
    gf_lease_cmds_t cmd;
    gf_lease_types_t lease_type;
    char lease_id[LEASE_ID_SIZE];
    u_int lease_flags;
};
typedef struct gf_lease gf_lease;

enum glusterfs_lk_recovery_cmds_t {
    F_RESLK_LCK = 200,
    F_RESLK_LCKW = 200 + 1,
    F_RESLK_UNLCK = 200 + 2,
    F_GETLK_FD = 200 + 3,
};
typedef enum glusterfs_lk_recovery_cmds_t glusterfs_lk_recovery_cmds_t;

enum gf_lk_domain_t {
    GF_LOCK_POSIX = 0,
    GF_LOCK_INTERNAL = 1,
};
typedef enum gf_lk_domain_t gf_lk_domain_t;

enum entrylk_cmd {
    ENTRYLK_LOCK = 0,
    ENTRYLK_UNLOCK = 1,
    ENTRYLK_LOCK_NB = 2,
};
typedef enum entrylk_cmd entrylk_cmd;

enum entrylk_type {
    ENTRYLK_RDLCK = 0,
    ENTRYLK_WRLCK = 1,
};
typedef enum entrylk_type entrylk_type;
#define GF_MAX_LOCK_OWNER_LEN 1024 /* 1kB as per NLM */
#define GF_LKOWNER_BUF_SIZE                                                    \
    ((GF_MAX_LOCK_OWNER_LEN * 2) + (GF_MAX_LOCK_OWNER_LEN / 8))

struct gf_lkowner_t {
    int len;
    char data[GF_MAX_LOCK_OWNER_LEN];
};
typedef struct gf_lkowner_t gf_lkowner_t;

enum gf_xattrop_flags_t {
    GF_XATTROP_ADD_ARRAY = 0,
    GF_XATTROP_ADD_ARRAY64 = 1,
    GF_XATTROP_OR_ARRAY = 2,
    GF_XATTROP_AND_ARRAY = 3,
    GF_XATTROP_GET_AND_SET = 4,
    GF_XATTROP_ADD_ARRAY_WITH_DEFAULT = 5,
    GF_XATTROP_ADD_ARRAY64_WITH_DEFAULT = 6,
};
typedef enum gf_xattrop_flags_t gf_xattrop_flags_t;

enum gf_seek_what_t {
    GF_SEEK_DATA = 0,
    GF_SEEK_HOLE = 1,
};
typedef enum gf_seek_what_t gf_seek_what_t;

enum gf_upcall_flags_t {
    GF_UPCALL_NULL = 0,
    GF_UPCALL = 1,
    GF_UPCALL_CI_STAT = 2,
    GF_UPCALL_CI_XATTR = 3,
    GF_UPCALL_CI_RENAME = 4,
    GF_UPCALL_CI_NLINK = 5,
    GF_UPCALL_CI_FORGET = 6,
    GF_UPCALL_LEASE_RECALL = 7,
    GF_UPCALL_FLAGS_MAXVALUE = 8,
};
typedef enum gf_upcall_flags_t gf_upcall_flags_t;

enum gf_dict_data_type_t {
    GF_DATA_TYPE_UNKNOWN = 0,
    GF_DATA_TYPE_STR_OLD = 1,
    GF_DATA_TYPE_INT = 2,
    GF_DATA_TYPE_UINT = 3,
    GF_DATA_TYPE_DOUBLE = 4,
    GF_DATA_TYPE_STR = 5,
    GF_DATA_TYPE_PTR = 6,
    GF_DATA_TYPE_GFUUID = 7,
    GF_DATA_TYPE_IATT = 8,
    GF_DATA_TYPE_MDATA = 9,
    GF_DATA_TYPE_MAX = 10,
};
typedef enum gf_dict_data_type_t gf_dict_data_type_t;

#endif /* !_GLUSTERFS_FOPS_H */