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/* * Copyright (c) 2005, 2019, Oracle and/or its affiliates. All rights reserved. */ /* * Copyright (c) 1983,1984,1985,1986,1987,1988,1989 AT&T. * All rights reserved. * Use is subject to license terms. */ #ifndef _NFS_DISPATCH_H #define _NFS_DISPATCH_H #ifdef __cplusplus extern "C" { #endif /* * RPC dispatch table * Indexed by version, proc */ typedef struct rpcdisp { void (*dis_proc)(); /* proc to call */ xdrproc_t dis_xdrargs; /* xdr routine to get args */ xdrproc_t dis_fastxdrargs; /* `fast' xdr routine to get args */ int dis_argsz; /* sizeof args */ xdrproc_t dis_xdrres; /* xdr routine to put results */ xdrproc_t dis_fastxdrres; /* `fast' xdr routine to put results */ int dis_ressz; /* size of results */ void (*dis_resfree)(); /* frees space allocated by proc */ int dis_flags; /* flags, see below */ void *(*dis_getfh)(); /* returns the fhandle for the req */ } rpcdisp_t; #define RPC_IDEMPOTENT 0x1 /* idempotent or not */ /* * Be very careful about which NFS procedures get the RPC_ALLOWANON bit. * Right now, it this bit is on, we ignore the results of per NFS request * access control. */ #define RPC_ALLOWANON 0x2 /* allow anonymous access */ #define RPC_MAPRESP 0x4 /* use mapped response buffer */ #define RPC_AVOIDWORK 0x8 /* do work avoidance for dups */ #define RPC_PUBLICFH_OK 0x10 /* allow use of public filehandle */ #define NFS_READ_RPOOL_OP 0x20 /* operation to the READ pool */ #define NFS_DEFAULT_RPOOL_OP 0x40 /* operation to the DEFAULT pool */ #define NFS_HIPRI_OP 0x80 /* renew heartbeat only ops */ struct rfs_disp; typedef struct rpc_disptable { int dis_nprocs; char **dis_procnames; struct rpcdisp *dis_table; void (* dis_dispatch)(struct rfs_disp *); void (* dis_dispatch_free)(struct rfs_disp *); } rpc_disptable_t; void rpc_null(caddr_t *, caddr_t *, struct exportinfo *, struct svc_req *, cred_t *); union rfs_args { /* * NFS VERSION 2 */ /* RFS_NULL = 0 */ /* RFS_GETATTR = 1 */ fhandle_t nfs2_getattr_args; /* RFS_SETATTR = 2 */ struct nfssaargs nfs2_setattr_args; /* RFS_ROOT = 3 *** NO LONGER SUPPORTED *** */ /* RFS_LOOKUP = 4 */ struct nfsdiropargs nfs2_lookup_args; /* RFS_READLINK = 5 */ fhandle_t nfs2_readlink_args; /* RFS_READ = 6 */ struct nfsreadargs nfs2_read_args; /* RFS_WRITECACHE = 7 *** NO LONGER SUPPORTED *** */ /* RFS_WRITE = 8 */ struct nfswriteargs nfs2_write_args; /* RFS_CREATE = 9 */ struct nfscreatargs nfs2_create_args; /* RFS_REMOVE = 10 */ struct nfsdiropargs nfs2_remove_args; /* RFS_RENAME = 11 */ struct nfsrnmargs nfs2_rename_args; /* RFS_LINK = 12 */ struct nfslinkargs nfs2_link_args; /* RFS_SYMLINK = 13 */ struct nfsslargs nfs2_symlink_args; /* RFS_MKDIR = 14 */ struct nfscreatargs nfs2_mkdir_args; /* RFS_RMDIR = 15 */ struct nfsdiropargs nfs2_rmdir_args; /* RFS_READDIR = 16 */ struct nfsrddirargs nfs2_readdir_args; /* RFS_STATFS = 17 */ fhandle_t nfs2_statfs_args; /* * NFS VERSION 3 */ /* RFS_NULL = 0 */ /* RFS3_GETATTR = 1 */ GETATTR3args nfs3_getattr_args; /* RFS3_SETATTR = 2 */ SETATTR3args nfs3_setattr_args; /* RFS3_LOOKUP = 3 */ LOOKUP3args nfs3_lookup_args; /* RFS3_ACCESS = 4 */ ACCESS3args nfs3_access_args; /* RFS3_READLINK = 5 */ READLINK3args nfs3_readlink_args; /* RFS3_READ = 6 */ READ3args nfs3_read_args; /* RFS3_WRITE = 7 */ WRITE3args nfs3_write_args; /* RFS3_CREATE = 8 */ CREATE3args nfs3_create_args; /* RFS3_MKDIR = 9 */ MKDIR3args nfs3_mkdir_args; /* RFS3_SYMLINK = 10 */ SYMLINK3args nfs3_symlink_args; /* RFS3_MKNOD = 11 */ MKNOD3args nfs3_mknod_args; /* RFS3_REMOVE = 12 */ REMOVE3args nfs3_remove_args; /* RFS3_RMDIR = 13 */ RMDIR3args nfs3_rmdir_args; /* RFS3_RENAME = 14 */ RENAME3args nfs3_rename_args; /* RFS3_LINK = 15 */ LINK3args nfs3_link_args; /* RFS3_READDIR = 16 */ READDIR3args nfs3_readdir_args; /* RFS3_READDIRPLUS = 17 */ READDIRPLUS3args nfs3_readdirplus_args; /* RFS3_FSSTAT = 18 */ FSSTAT3args nfs3_fsstat_args; /* RFS3_FSINFO = 19 */ FSINFO3args nfs3_fsinfo_args; /* RFS3_PATHCONF = 20 */ PATHCONF3args nfs3_pathconf_args; /* RFS3_COMMIT = 21 */ COMMIT3args nfs3_commit_args; /* * NFS VERSION 4 */ /* RFS_NULL = 0 */ /* COMPOUND = 1 */ COMPOUND4args nfs4_compound_args; COMPOUND4args_srv nfs4_compound_args_srv; }; union rfs_res { /* * NFS VERSION 2 */ /* RFS_NULL = 0 */ /* RFS_GETATTR = 1 */ struct nfsattrstat nfs2_getattr_res; /* RFS_SETATTR = 2 */ struct nfsattrstat nfs2_setattr_res; /* RFS_ROOT = 3 *** NO LONGER SUPPORTED *** */ /* RFS_LOOKUP = 4 */ struct nfsdiropres nfs2_lookup_res; /* RFS_READLINK = 5 */ struct nfsrdlnres nfs2_readlink_res; /* RFS_READ = 6 */ struct nfsrdresult nfs2_read_res; /* RFS_WRITECACHE = 7 *** NO LONGER SUPPORTED *** */ /* RFS_WRITE = 8 */ struct nfsattrstat nfs2_write_res; /* RFS_CREATE = 9 */ struct nfsdiropres nfs2_create_res; /* RFS_REMOVE = 10 */ enum nfsstat nfs2_remove_res; /* RFS_RENAME = 11 */ enum nfsstat nfs2_rename_res; /* RFS_LINK = 12 */ enum nfsstat nfs2_link_res; /* RFS_SYMLINK = 13 */ enum nfsstat nfs2_symlink_res; /* RFS_MKDIR = 14 */ struct nfsdiropres nfs2_mkdir_res; /* RFS_RMDIR = 15 */ enum nfsstat nfs2_rmdir_res; /* RFS_READDIR = 16 */ struct nfsrddirres nfs2_readdir_res; /* RFS_STATFS = 17 */ struct nfsstatfs nfs2_statfs_res; /* * NFS VERSION 3 */ /* RFS_NULL = 0 */ /* RFS3_GETATTR = 1 */ GETATTR3res nfs3_getattr_res; /* RFS3_SETATTR = 2 */ SETATTR3res nfs3_setattr_res; /* RFS3_LOOKUP = 3 */ LOOKUP3res nfs3_lookup_res; /* RFS3_ACCESS = 4 */ ACCESS3res nfs3_access_res; /* RFS3_READLINK = 5 */ READLINK3res nfs3_readlink_res; /* RFS3_READ = 6 */ READ3res nfs3_read_res; /* RFS3_WRITE = 7 */ WRITE3res nfs3_write_res; /* RFS3_CREATE = 8 */ CREATE3res nfs3_create_res; /* RFS3_MKDIR = 9 */ MKDIR3res nfs3_mkdir_res; /* RFS3_SYMLINK = 10 */ SYMLINK3res nfs3_symlink_res; /* RFS3_MKNOD = 11 */ MKNOD3res nfs3_mknod_res; /* RFS3_REMOVE = 12 */ REMOVE3res nfs3_remove_res; /* RFS3_RMDIR = 13 */ RMDIR3res nfs3_rmdir_res; /* RFS3_RENAME = 14 */ RENAME3res nfs3_rename_res; /* RFS3_LINK = 15 */ LINK3res nfs3_link_res; /* RFS3_READDIR = 16 */ READDIR3res nfs3_readdir_res; /* RFS3_READDIRPLUS = 17 */ READDIRPLUS3res nfs3_readdirplus_res; /* RFS3_FSSTAT = 18 */ FSSTAT3res nfs3_fsstat_res; /* RFS3_FSINFO = 19 */ FSINFO3res nfs3_fsinfo_res; /* RFS3_PATHCONF = 20 */ PATHCONF3res nfs3_pathconf_res; /* RFS3_COMMIT = 21 */ COMMIT3res nfs3_commit_res; /* * NFS VERSION 4 */ /* RFS_NULL = 0 */ /* RFS4_COMPOUND = 1 */ COMPOUND4res nfs4_compound_res; COMPOUND4res_srv nfs4_compound_res_srv; }; union acl_args { /* * ACL VERSION 2 */ /* ACL2_NULL = 0 */ /* ACL2_GETACL = 1 */ GETACL2args acl2_getacl_args; /* ACL2_SETACL = 2 */ SETACL2args acl2_setacl_args; /* ACL2_GETATTR = 3 */ GETATTR2args acl2_getattr_args; /* ACL2_ACCESS = 4 */ ACCESS2args acl2_access_args; /* ACL2_GETXATTRDIR = 5 */ GETXATTRDIR2args acl2_getxattrdir_args; /* * ACL VERSION 3 */ /* ACL3_NULL = 0 */ /* ACL3_GETACL = 1 */ GETACL3args acl3_getacl_args; /* ACL3_SETACL = 2 */ SETACL3args acl3_setacl; /* ACL3_GETXATTRDIR = 3 */ GETXATTRDIR3args acl3_getxattrdir_args; }; union acl_res { /* * ACL VERSION 2 */ /* ACL2_NULL = 0 */ /* ACL2_GETACL = 1 */ GETACL2res acl2_getacl_res; /* ACL2_SETACL = 2 */ SETACL2res acl2_setacl_res; /* ACL2_GETATTR = 3 */ GETATTR2res acl2_getattr_res; /* ACL2_ACCESS = 4 */ ACCESS2res acl2_access_res; /* ACL2_GETXATTRDIR = 5 */ GETXATTRDIR2args acl2_getxattrdir_res; /* * ACL VERSION 3 */ /* ACL3_NULL = 0 */ /* ACL3_GETACL = 1 */ GETACL3res acl3_getacl_res; /* ACL3_SETACL = 2 */ SETACL3res acl3_setacl_res; /* ACL3_GETXATTRDIR = 3 */ GETXATTRDIR3res acl3_getxattrdir_res; }; /* * This structure encapsulates information required * to process a request at NFS layer. Passed with a * RPC task between decode, execute and reply stages. */ typedef struct rfs_disp { rfs_inst_t *rdp_rip; char *rdp_pgmname; rpc_disptable_t *rdp_disptable; int rdp_status; int rdp_drstat; bool_t rdp_proccalled; struct svc_req rdp_req; struct rpcdisp *rdp_disp; struct exportinfo *rdp_exi; union { union rfs_args ra; union acl_args aa; } rdp_args, *rdp_argsp; union { union rfs_res rr; union acl_res ar; } rdp_res; /* * NFSv2 specific args ptr. v2 has a concept * of fastargs routines which return a pointer * to the decoded OTW args embedded in the XDR * input stream. */ char *rdp_args_ptr; void *rdp_pdata; /* private data specific to different versions */ } rfs_disp_t; void rfs_dispatch_free(void *, int); /* * disp status */ #define DECODE_FAILURE 0x1000 #define DECODE_SUCCESS 0x2000 #ifdef __cplusplus } #endif #endif /* _NFS_DISPATCH_H */