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/* * Copyright (c) 2009, 2021, Oracle and/or its affiliates. */ /* * Copyright (c) 1983, 1984, 1985, 1986, 1987, 1988, 1989 AT&T * All Rights Reserved */ #ifndef _NFS_MOUNT_H #define _NFS_MOUNT_H #ifdef __cplusplus extern "C" { #endif #include <sys/pathconf.h> /* static pathconf kludge */ /* * Extension mechanism for mount arguments. Each extension struct is * assumed to be forward-compatible with later structs. */ #define NFS_ARGS_EXTA 1 #define NFS_ARGS_EXTB 2 #define NFS_ARGS_EXTC 3 #define NFS_ARGS_EXTD 4 /* * extension data for nfs_args_ext == NFS_ARGS_EXTA. */ struct nfs_args_extA { struct sec_data *secdata; /* security data */ }; /* * extension data for nfs_args_ext == NFS_ARGS_EXTB. */ struct nfs_args_extB { struct sec_data *secdata; /* security data */ struct nfs_args *next; /* link for failover */ }; /* * extension data for nfs_args_ext == NFS_ARGS_EXTC. * * If minorvers is NFS_ARGS_NEGOTIATE_MINOR, the kernel will negotiate the * minor version with the server. Otherwise, the kernel will only try the * given minor version and error out if that fails. */ struct nfs_args_extC { struct sec_data *secdata; /* security data */ struct nfs_args *next; /* link for failover */ int minorvers; /* v4 minor version */ }; /* * extension data for nfs_args_ext == NFS_ARGS_EXTD. * * The current member "flags" in nfs_args structure do not have room left * to add flag bit. Hence introducing second flag word as flags2. */ struct nfs_args_extD { struct sec_data *secdata; /* security data */ struct nfs_args *next; /* link for failover */ int minorvers; /* v4 minor version */ int flags2; /* second flags word */ }; #define NFS_ARGS_NEGOTIATE_MINOR -1 /* * Macros to simplify extension version number checks. */ #define NFS_ARGS_HAS_NEXT(vers) \ ((vers) == NFS_ARGS_EXTB || (vers) == NFS_ARGS_EXTC || \ (vers) == NFS_ARGS_EXTD) /* * Union structure for future extension. */ union nfs_ext { struct nfs_args_extA nfs_extA; /* nfs_args extension v1 */ struct nfs_args_extB nfs_extB; /* nfs_args extension v2 */ struct nfs_args_extC nfs_extC; /* nfs_args extension v3 */ struct nfs_args_extD nfs_extD; /* nfs_args extension v4 */ }; /* * For v2 and v3, the "fh" field points to the filehandle to mount. For * v4, it points to a string, namely the server-side path. */ struct nfs_args { struct netbuf *addr; /* file server address */ void *filler1; /* was AUTH_DH time sync addr */ struct knetconfig *knconf; /* transport netconfig struct */ char *hostname; /* server's hostname */ void *filler2; /* was AUTH_DH server netname */ caddr_t fh; /* see above */ int flags; /* flags */ int wsize; /* write size in bytes */ int rsize; /* read size in bytes */ int timeo; /* initial timeout in .1 secs */ int retrans; /* times to retry send */ int acregmin; /* attr cache file min secs */ int acregmax; /* attr cache file max secs */ int acdirmin; /* attr cache dir min secs */ int acdirmax; /* attr cache dir max secs */ struct pathcnf *pathconf; /* static pathconf kludge */ int nfs_args_ext; /* the nfs_args extension id */ union nfs_ext nfs_ext_u; /* extension union structure */ }; #ifdef _SYSCALL32 struct nfs_args_extA32 { caddr32_t secdata; /* security data */ }; struct nfs_args_extB32 { caddr32_t secdata; /* security data */ caddr32_t next; /* link for failover */ }; struct nfs_args_extC32 { caddr32_t secdata; /* security data */ caddr32_t next; /* link for failover */ int32_t minorvers; }; struct nfs_args_extD32 { caddr32_t secdata; /* security data */ caddr32_t next; /* link for failover */ int32_t minorvers; int32_t flags2; /* second flags word */ }; union nfs_ext32 { struct nfs_args_extA32 nfs_extA; /* nfs_args extension v1 */ struct nfs_args_extB32 nfs_extB; /* nfs_args extension v2 */ struct nfs_args_extC32 nfs_extC; /* nfs_args extension v2 */ struct nfs_args_extD32 nfs_extD; /* nfs_args extension v4 */ }; struct nfs_args32 { caddr32_t addr; /* file server address */ caddr32_t filler1; /* was AUTH_DH time sync addr */ caddr32_t knconf; /* transport netconfig struct */ caddr32_t hostname; /* server's hostname */ caddr32_t filler2; /* was AUTH_DH server netname */ caddr32_t fh; /* see nfs_args above */ int32_t flags; /* flags */ int32_t wsize; /* write size in bytes */ int32_t rsize; /* read size in bytes */ int32_t timeo; /* initial timeout in .1 secs */ int32_t retrans; /* times to retry send */ int32_t acregmin; /* attr cache file min secs */ int32_t acregmax; /* attr cache file max secs */ int32_t acdirmin; /* attr cache dir min secs */ int32_t acdirmax; /* attr cache dir max secs */ caddr32_t pathconf; /* static pathconf kludge */ int32_t nfs_args_ext; /* the nfs_args extension id */ union nfs_ext32 nfs_ext_u; /* extension union structure */ }; #endif /* _SYSCALL32 */ /* * NFS mount option flags */ #define NFSMNT_SOFT 0x001 /* soft mount (hard is default) */ #define NFSMNT_WSIZE 0x002 /* set write size */ #define NFSMNT_RSIZE 0x004 /* set read size */ #define NFSMNT_TIMEO 0x008 /* set initial timeout */ #define NFSMNT_RETRANS 0x010 /* set number of request retrys */ #define NFSMNT_HOSTNAME 0x020 /* set hostname for error printf */ #define NFSMNT_INT 0x040 /* allow interrupts on hard mount */ #define NFSMNT_NOAC 0x080 /* don't cache attributes */ #define NFSMNT_ACREGMIN 0x0100 /* set min secs for file attr cache */ #define NFSMNT_ACREGMAX 0x0200 /* set max secs for file attr cache */ #define NFSMNT_ACDIRMIN 0x0400 /* set min secs for dir attr cache */ #define NFSMNT_ACDIRMAX 0x0800 /* set max secs for dir attr cache */ #define NFSMNT_SECURE 0x1000 /* secure mount */ #define NFSMNT_NOCTO 0x2000 /* no close-to-open consistency */ #define NFSMNT_KNCONF 0x4000 /* transport's knetconfig structure */ #define NFSMNT_GRPID 0x8000 /* BSD-style gid inheritance */ #define NFSMNT_RPCTIMESYNC 0x10000 /* use RPC to do secure NFS time sync */ #define NFSMNT_KERBEROS 0x20000 /* use kerberos credentials */ #define NFSMNT_POSIX 0x40000 /* static pathconf kludge info */ #define NFSMNT_LLOCK 0x80000 /* Local locking (no lock manager) */ #define NFSMNT_LOOPBACK 0x100000 /* Is a loopback mount */ #define NFSMNT_SEMISOFT 0x200000 /* read soft, modify hard */ #define NFSMNT_NOPRINT 0x400000 /* don't print messages */ #define NFSMNT_NEWARGS 0x800000 /* using nfs_args extented structure */ #define NFSMNT_DIRECTIO 0x1000000 /* do direct I/O */ #define NFSMNT_PUBLIC 0x2000000 /* mount was done with url/public */ #define NFSMNT_SECDEFAULT 0x4000000 /* mount using default sec flavor */ #define NFSMNT_TRYRDMA 0x8000000 /* Try RDMA mount,no proto advised */ #define NFSMNT_DORDMA 0x10000000 /* Do an RDMA mount, regardless */ #define NFSMNT_MIRRORMOUNT 0x20000000 /* Is a mirrormount */ #define NFSMNT_REFERRAL 0x40000000 /* Is a referral */ #define NFSMNT_IDMAP 0x80000000 /* enable idmap for AUTH_SYS */ /* * Bits 32-63; these are passed in from user space in a separate 32-bit * flag word. NFSMNT_F2_SHIFT is defined to help with converting * between a single 64-bit word and two 32-bit words. */ #define NFSMNT_NOMLCHECK 0x100000000 /* no mmap/locking check */ #define NFSMNT_NOACL 0x200000000 /* Don't use nfs_acl protocol */ #define NFSMNT_EPHEMERAL (NFSMNT_MIRRORMOUNT | NFSMNT_REFERRAL) #define NFSMNT_F2_SHIFT 32 /* minimum rsize/wsize value */ #define NFSMNT_RSIZE_MIN 1024 #define NFSMNT_WSIZE_MIN 1024 #ifdef __cplusplus } #endif #endif /* _NFS_MOUNT_H */