diff options
Diffstat (limited to 'include/uapi/linux/nfsd')
| -rw-r--r-- | include/uapi/linux/nfsd/cld.h | 97 | ||||
| -rw-r--r-- | include/uapi/linux/nfsd/debug.h | 34 | ||||
| -rw-r--r-- | include/uapi/linux/nfsd/export.h | 79 | ||||
| -rw-r--r-- | include/uapi/linux/nfsd/stats.h | 18 |
4 files changed, 228 insertions, 0 deletions
diff --git a/include/uapi/linux/nfsd/cld.h b/include/uapi/linux/nfsd/cld.h new file mode 100644 index 000000000..a519313af --- /dev/null +++ b/include/uapi/linux/nfsd/cld.h @@ -0,0 +1,97 @@ +/* SPDX-License-Identifier: GPL-2.0+ WITH Linux-syscall-note */ +/* + * Upcall description for nfsdcld communication + * + * Copyright (c) 2012 Red Hat, Inc. + * Author(s): Jeff Layton <jlayton@redhat.com> + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. + */ + +#ifndef _NFSD_CLD_H +#define _NFSD_CLD_H + +#include <linux/types.h> + +/* latest upcall version available */ +#define CLD_UPCALL_VERSION 2 + +/* defined by RFC3530 */ +#define NFS4_OPAQUE_LIMIT 1024 + +#ifndef SHA256_DIGEST_SIZE +#define SHA256_DIGEST_SIZE 32 +#endif + +enum cld_command { + Cld_Create, /* create a record for this cm_id */ + Cld_Remove, /* remove record of this cm_id */ + Cld_Check, /* is this cm_id allowed? */ + Cld_GraceDone, /* grace period is complete */ + Cld_GraceStart, /* grace start (upload client records) */ + Cld_GetVersion, /* query max supported upcall version */ +}; + +/* representation of long-form NFSv4 client ID */ +struct cld_name { + __u16 cn_len; /* length of cm_id */ + unsigned char cn_id[NFS4_OPAQUE_LIMIT]; /* client-provided */ +} __attribute__((packed)); + +/* sha256 hash of the kerberos principal */ +struct cld_princhash { + __u8 cp_len; /* length of cp_data */ + unsigned char cp_data[SHA256_DIGEST_SIZE]; /* hash of principal */ +} __attribute__((packed)); + +struct cld_clntinfo { + struct cld_name cc_name; + struct cld_princhash cc_princhash; +} __attribute__((packed)); + +/* message struct for communication with userspace */ +struct cld_msg { + __u8 cm_vers; /* upcall version */ + __u8 cm_cmd; /* upcall command */ + __s16 cm_status; /* return code */ + __u32 cm_xid; /* transaction id */ + union { + __s64 cm_gracetime; /* grace period start time */ + struct cld_name cm_name; + __u8 cm_version; /* for getting max version */ + } __attribute__((packed)) cm_u; +} __attribute__((packed)); + +/* version 2 message can include hash of kerberos principal */ +struct cld_msg_v2 { + __u8 cm_vers; /* upcall version */ + __u8 cm_cmd; /* upcall command */ + __s16 cm_status; /* return code */ + __u32 cm_xid; /* transaction id */ + union { + struct cld_name cm_name; + __u8 cm_version; /* for getting max version */ + struct cld_clntinfo cm_clntinfo; /* name & princ hash */ + } __attribute__((packed)) cm_u; +} __attribute__((packed)); + +struct cld_msg_hdr { + __u8 cm_vers; /* upcall version */ + __u8 cm_cmd; /* upcall command */ + __s16 cm_status; /* return code */ + __u32 cm_xid; /* transaction id */ +} __attribute__((packed)); + +#endif /* !_NFSD_CLD_H */ diff --git a/include/uapi/linux/nfsd/debug.h b/include/uapi/linux/nfsd/debug.h new file mode 100644 index 000000000..7301cdc79 --- /dev/null +++ b/include/uapi/linux/nfsd/debug.h @@ -0,0 +1,34 @@ +/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */ +/* + * linux/include/linux/nfsd/debug.h + * + * Debugging-related stuff for nfsd + * + * Copyright (C) 1995 Olaf Kirch <okir@monad.swb.de> + */ + +#ifndef _UAPILINUX_NFSD_DEBUG_H +#define _UAPILINUX_NFSD_DEBUG_H + +#include <linux/sunrpc/debug.h> + +/* + * knfsd debug flags + */ +#define NFSDDBG_SOCK 0x0001 +#define NFSDDBG_FH 0x0002 +#define NFSDDBG_EXPORT 0x0004 +#define NFSDDBG_SVC 0x0008 +#define NFSDDBG_PROC 0x0010 +#define NFSDDBG_FILEOP 0x0020 +#define NFSDDBG_AUTH 0x0040 +#define NFSDDBG_REPCACHE 0x0080 +#define NFSDDBG_XDR 0x0100 +#define NFSDDBG_LOCKD 0x0200 +#define NFSDDBG_PNFS 0x0400 +#define NFSDDBG_ALL 0x7FFF +#define NFSDDBG_NOCHANGE 0xFFFF + + + +#endif /* _UAPILINUX_NFSD_DEBUG_H */ diff --git a/include/uapi/linux/nfsd/export.h b/include/uapi/linux/nfsd/export.h new file mode 100644 index 000000000..a73ca3703 --- /dev/null +++ b/include/uapi/linux/nfsd/export.h @@ -0,0 +1,79 @@ +/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */ +/* + * include/linux/nfsd/export.h + * + * Public declarations for NFS exports. The definitions for the + * syscall interface are in nfsctl.h + * + * Copyright (C) 1995-1997 Olaf Kirch <okir@monad.swb.de> + */ + +#ifndef _UAPINFSD_EXPORT_H +#define _UAPINFSD_EXPORT_H + +# include <linux/types.h> + +/* + * Important limits for the exports stuff. + */ +#define NFSCLNT_IDMAX 1024 +#define NFSCLNT_ADDRMAX 16 +#define NFSCLNT_KEYMAX 32 + +/* + * Export flags. + * + * Please update the expflags[] array in fs/nfsd/export.c when adding + * a new flag. + */ +#define NFSEXP_READONLY 0x0001 +#define NFSEXP_INSECURE_PORT 0x0002 +#define NFSEXP_ROOTSQUASH 0x0004 +#define NFSEXP_ALLSQUASH 0x0008 +#define NFSEXP_ASYNC 0x0010 +#define NFSEXP_GATHERED_WRITES 0x0020 +#define NFSEXP_NOREADDIRPLUS 0x0040 +#define NFSEXP_SECURITY_LABEL 0x0080 +/* 0x100 currently unused */ +#define NFSEXP_NOHIDE 0x0200 +#define NFSEXP_NOSUBTREECHECK 0x0400 +#define NFSEXP_NOAUTHNLM 0x0800 /* Don't authenticate NLM requests - just trust */ +#define NFSEXP_MSNFS 0x1000 /* do silly things that MS clients expect; no longer supported */ +#define NFSEXP_FSID 0x2000 +#define NFSEXP_CROSSMOUNT 0x4000 +#define NFSEXP_NOACL 0x8000 /* reserved for possible ACL related use */ +/* + * The NFSEXP_V4ROOT flag causes the kernel to give access only to NFSv4 + * clients, and only to the single directory that is the root of the + * export; further lookup and readdir operations are treated as if every + * subdirectory was a mountpoint, and ignored if they are not themselves + * exported. This is used by nfsd and mountd to construct the NFSv4 + * pseudofilesystem, which provides access only to paths leading to each + * exported filesystem. + */ +#define NFSEXP_V4ROOT 0x10000 +#define NFSEXP_PNFS 0x20000 + +/* All flags that we claim to support. (Note we don't support NOACL.) */ +#define NFSEXP_ALLFLAGS 0x3FEFF + +/* The flags that may vary depending on security flavor: */ +#define NFSEXP_SECINFO_FLAGS (NFSEXP_READONLY | NFSEXP_ROOTSQUASH \ + | NFSEXP_ALLSQUASH \ + | NFSEXP_INSECURE_PORT) + +/* + * Transport layer security policies that are permitted to access + * an export + */ +#define NFSEXP_XPRTSEC_NONE 0x0001 +#define NFSEXP_XPRTSEC_TLS 0x0002 +#define NFSEXP_XPRTSEC_MTLS 0x0004 + +#define NFSEXP_XPRTSEC_NUM (3) + +#define NFSEXP_XPRTSEC_ALL (NFSEXP_XPRTSEC_NONE | \ + NFSEXP_XPRTSEC_TLS | \ + NFSEXP_XPRTSEC_MTLS) + +#endif /* _UAPINFSD_EXPORT_H */ diff --git a/include/uapi/linux/nfsd/stats.h b/include/uapi/linux/nfsd/stats.h new file mode 100644 index 000000000..b1a38ae14 --- /dev/null +++ b/include/uapi/linux/nfsd/stats.h @@ -0,0 +1,18 @@ +/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */ +/* + * linux/include/linux/nfsd/stats.h + * + * Statistics for NFS server. + * + * Copyright (C) 1995, 1996 Olaf Kirch <okir@monad.swb.de> + */ + +#ifndef _UAPILINUX_NFSD_STATS_H +#define _UAPILINUX_NFSD_STATS_H + +#include <linux/nfs4.h> + +/* thread usage wraps very million seconds (approx one fortnight) */ +#define NFSD_USAGE_WRAP (HZ*1000000) + +#endif /* _UAPILINUX_NFSD_STATS_H */ |