1 /* XDR types for nfsd. This is mainly a typing exercise. */ 2 3 #ifndef LINUX_NFSD_H 4 #define LINUX_NFSD_H 5 6 #include <linux/vfs.h> 7 #include "nfsd.h" 8 #include "nfsfh.h" 9 10 struct nfsd_fhandle { 11 struct svc_fh fh; 12 }; 13 14 struct nfsd_sattrargs { 15 struct svc_fh fh; 16 struct iattr attrs; 17 }; 18 19 struct nfsd_diropargs { 20 struct svc_fh fh; 21 char * name; 22 unsigned int len; 23 }; 24 25 struct nfsd_readargs { 26 struct svc_fh fh; 27 __u32 offset; 28 __u32 count; 29 int vlen; 30 }; 31 32 struct nfsd_writeargs { 33 svc_fh fh; 34 __u32 offset; 35 int len; 36 int vlen; 37 }; 38 39 struct nfsd_createargs { 40 struct svc_fh fh; 41 char * name; 42 unsigned int len; 43 struct iattr attrs; 44 }; 45 46 struct nfsd_renameargs { 47 struct svc_fh ffh; 48 char * fname; 49 unsigned int flen; 50 struct svc_fh tfh; 51 char * tname; 52 unsigned int tlen; 53 }; 54 55 struct nfsd_readlinkargs { 56 struct svc_fh fh; 57 char * buffer; 58 }; 59 60 struct nfsd_linkargs { 61 struct svc_fh ffh; 62 struct svc_fh tfh; 63 char * tname; 64 unsigned int tlen; 65 }; 66 67 struct nfsd_symlinkargs { 68 struct svc_fh ffh; 69 char * fname; 70 unsigned int flen; 71 char * tname; 72 unsigned int tlen; 73 struct iattr attrs; 74 }; 75 76 struct nfsd_readdirargs { 77 struct svc_fh fh; 78 __u32 cookie; 79 __u32 count; 80 __be32 * buffer; 81 }; 82 83 struct nfsd_attrstat { 84 struct svc_fh fh; 85 struct kstat stat; 86 }; 87 88 struct nfsd_diropres { 89 struct svc_fh fh; 90 struct kstat stat; 91 }; 92 93 struct nfsd_readlinkres { 94 int len; 95 }; 96 97 struct nfsd_readres { 98 struct svc_fh fh; 99 unsigned long count; 100 struct kstat stat; 101 }; 102 103 struct nfsd_readdirres { 104 int count; 105 106 struct readdir_cd common; 107 __be32 * buffer; 108 int buflen; 109 __be32 * offset; 110 }; 111 112 struct nfsd_statfsres { 113 struct kstatfs stats; 114 }; 115 116 /* 117 * Storage requirements for XDR arguments and results. 118 */ 119 union nfsd_xdrstore { 120 struct nfsd_sattrargs sattr; 121 struct nfsd_diropargs dirop; 122 struct nfsd_readargs read; 123 struct nfsd_writeargs write; 124 struct nfsd_createargs create; 125 struct nfsd_renameargs rename; 126 struct nfsd_linkargs link; 127 struct nfsd_symlinkargs symlink; 128 struct nfsd_readdirargs readdir; 129 }; 130 131 #define NFS2_SVC_XDRSIZE sizeof(union nfsd_xdrstore) 132 133 134 int nfssvc_decode_void(struct svc_rqst *, __be32 *, void *); 135 int nfssvc_decode_fhandle(struct svc_rqst *, __be32 *, struct nfsd_fhandle *); 136 int nfssvc_decode_sattrargs(struct svc_rqst *, __be32 *, 137 struct nfsd_sattrargs *); 138 int nfssvc_decode_diropargs(struct svc_rqst *, __be32 *, 139 struct nfsd_diropargs *); 140 int nfssvc_decode_readargs(struct svc_rqst *, __be32 *, 141 struct nfsd_readargs *); 142 int nfssvc_decode_writeargs(struct svc_rqst *, __be32 *, 143 struct nfsd_writeargs *); 144 int nfssvc_decode_createargs(struct svc_rqst *, __be32 *, 145 struct nfsd_createargs *); 146 int nfssvc_decode_renameargs(struct svc_rqst *, __be32 *, 147 struct nfsd_renameargs *); 148 int nfssvc_decode_readlinkargs(struct svc_rqst *, __be32 *, 149 struct nfsd_readlinkargs *); 150 int nfssvc_decode_linkargs(struct svc_rqst *, __be32 *, 151 struct nfsd_linkargs *); 152 int nfssvc_decode_symlinkargs(struct svc_rqst *, __be32 *, 153 struct nfsd_symlinkargs *); 154 int nfssvc_decode_readdirargs(struct svc_rqst *, __be32 *, 155 struct nfsd_readdirargs *); 156 int nfssvc_encode_void(struct svc_rqst *, __be32 *, void *); 157 int nfssvc_encode_attrstat(struct svc_rqst *, __be32 *, struct nfsd_attrstat *); 158 int nfssvc_encode_diropres(struct svc_rqst *, __be32 *, struct nfsd_diropres *); 159 int nfssvc_encode_readlinkres(struct svc_rqst *, __be32 *, struct nfsd_readlinkres *); 160 int nfssvc_encode_readres(struct svc_rqst *, __be32 *, struct nfsd_readres *); 161 int nfssvc_encode_statfsres(struct svc_rqst *, __be32 *, struct nfsd_statfsres *); 162 int nfssvc_encode_readdirres(struct svc_rqst *, __be32 *, struct nfsd_readdirres *); 163 164 int nfssvc_encode_entry(void *, const char *name, 165 int namlen, loff_t offset, u64 ino, unsigned int); 166 167 int nfssvc_release_fhandle(struct svc_rqst *, __be32 *, struct nfsd_fhandle *); 168 169 /* Helper functions for NFSv2 ACL code */ 170 __be32 *nfs2svc_encode_fattr(struct svc_rqst *rqstp, __be32 *p, struct svc_fh *fhp); 171 __be32 *nfs2svc_decode_fh(__be32 *p, struct svc_fh *fhp); 172 173 #endif /* LINUX_NFSD_H */ 174