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Diffstat (limited to 'fs/nfsd/xdr4.h')
-rw-r--r--fs/nfsd/xdr4.h167
1 files changed, 117 insertions, 50 deletions
diff --git a/fs/nfsd/xdr4.h b/fs/nfsd/xdr4.h
index 4d476ff08ae..18cbb6d9c8a 100644
--- a/fs/nfsd/xdr4.h
+++ b/fs/nfsd/xdr4.h
@@ -40,9 +40,17 @@
#include "state.h"
#include "nfsd.h"
+#define NFSD4_MAX_SEC_LABEL_LEN 2048
#define NFSD4_MAX_TAGLEN 128
#define XDR_LEN(n) (((n) + 3) & ~3)
+#define CURRENT_STATE_ID_FLAG (1<<0)
+#define SAVED_STATE_ID_FLAG (1<<1)
+
+#define SET_STATE_ID(c, f) ((c)->sid_flags |= (f))
+#define HAS_STATE_ID(c, f) ((c)->sid_flags & (f))
+#define CLEAR_STATE_ID(c, f) ((c)->sid_flags &= ~(f))
+
struct nfsd4_compound_state {
struct svc_fh current_fh;
struct svc_fh save_fh;
@@ -50,10 +58,14 @@ struct nfsd4_compound_state {
/* For sessions DRC */
struct nfsd4_session *session;
struct nfsd4_slot *slot;
- __be32 *datap;
+ int data_offset;
size_t iovlen;
u32 minorversion;
- u32 status;
+ __be32 status;
+ stateid_t current_stateid;
+ stateid_t save_stateid;
+ /* to indicate current and saved state id presents */
+ u32 sid_flags;
};
static inline bool nfsd4_has_session(struct nfsd4_compound_state *cs)
@@ -81,7 +93,6 @@ struct nfsd4_access {
struct nfsd4_close {
u32 cl_seqid; /* request */
stateid_t cl_stateid; /* request+response */
- struct nfs4_stateowner * cl_stateowner; /* response */
};
struct nfsd4_commit {
@@ -108,6 +119,7 @@ struct nfsd4_create {
struct iattr cr_iattr; /* request */
struct nfsd4_change_info cr_cinfo; /* response */
struct nfs4_acl *cr_acl;
+ struct xdr_netobj cr_label;
};
#define cr_linklen u.link.namelen
#define cr_linkname u.link.name
@@ -131,7 +143,7 @@ struct nfsd4_link {
struct nfsd4_lock_denied {
clientid_t ld_clientid;
- struct nfs4_stateowner *ld_sop;
+ struct xdr_netobj ld_owner;
u64 ld_start;
u64 ld_length;
u32 ld_type;
@@ -165,9 +177,6 @@ struct nfsd4_lock {
} ok;
struct nfsd4_lock_denied denied;
} u;
- /* The lk_replay_owner is the open owner in the open_to_lock_owner
- * case and the lock owner otherwise: */
- struct nfs4_stateowner *lk_replay_owner;
};
#define lk_new_open_seqid v.new.open_seqid
#define lk_new_open_stateid v.new.open_stateid
@@ -177,7 +186,6 @@ struct nfsd4_lock {
#define lk_old_lock_stateid v.old.lock_stateid
#define lk_old_lock_seqid v.old.lock_seqid
-#define lk_rflags u.ok.rflags
#define lk_resp_stateid u.ok.stateid
#define lk_denied u.denied
@@ -188,7 +196,6 @@ struct nfsd4_lockt {
struct xdr_netobj lt_owner;
u64 lt_offset;
u64 lt_length;
- struct nfs4_stateowner * lt_stateowner;
struct nfsd4_lock_denied lt_denied;
};
@@ -199,7 +206,6 @@ struct nfsd4_locku {
stateid_t lu_stateid;
u64 lu_offset;
u64 lu_length;
- struct nfs4_stateowner *lu_stateowner;
};
@@ -218,40 +224,45 @@ struct nfsd4_open {
struct xdr_netobj op_fname; /* request - everything but CLAIM_PREV */
u32 op_delegate_type; /* request - CLAIM_PREV only */
stateid_t op_delegate_stateid; /* request - response */
+ u32 op_why_no_deleg; /* response - DELEG_NONE_EXT only */
u32 op_create; /* request */
u32 op_createmode; /* request */
u32 op_bmval[3]; /* request */
- struct iattr iattr; /* UNCHECKED4, GUARDED4, EXCLUSIVE4_1 */
- nfs4_verifier verf; /* EXCLUSIVE4 */
+ struct iattr op_iattr; /* UNCHECKED4, GUARDED4, EXCLUSIVE4_1 */
+ nfs4_verifier op_verf __attribute__((aligned(32)));
+ /* EXCLUSIVE4 */
clientid_t op_clientid; /* request */
struct xdr_netobj op_owner; /* request */
u32 op_seqid; /* request */
u32 op_share_access; /* request */
u32 op_share_deny; /* request */
+ u32 op_deleg_want; /* request */
stateid_t op_stateid; /* response */
+ __be32 op_xdr_error; /* see nfsd4_open_omfg() */
u32 op_recall; /* recall */
struct nfsd4_change_info op_cinfo; /* response */
u32 op_rflags; /* response */
- int op_truncate; /* used during processing */
- struct nfs4_stateowner *op_stateowner; /* used during processing */
+ bool op_truncate; /* used during processing */
+ bool op_created; /* used during processing */
+ struct nfs4_openowner *op_openowner; /* used during processing */
+ struct nfs4_file *op_file; /* used during processing */
+ struct nfs4_ol_stateid *op_stp; /* used during processing */
struct nfs4_acl *op_acl;
+ struct xdr_netobj op_label;
};
-#define op_iattr iattr
-#define op_verf verf
struct nfsd4_open_confirm {
stateid_t oc_req_stateid /* request */;
u32 oc_seqid /* request */;
stateid_t oc_resp_stateid /* response */;
- struct nfs4_stateowner * oc_stateowner; /* response */
};
struct nfsd4_open_downgrade {
stateid_t od_stateid;
u32 od_seqid;
- u32 od_share_access;
- u32 od_share_deny;
- struct nfs4_stateowner *od_stateowner;
+ u32 od_share_access; /* request */
+ u32 od_deleg_want; /* request */
+ u32 od_share_deny; /* request */
};
@@ -276,9 +287,8 @@ struct nfsd4_readdir {
struct svc_fh * rd_fhp; /* response */
struct readdir_cd common;
- __be32 * buffer;
- int buflen;
- __be32 * offset;
+ struct xdr_stream *xdr;
+ int cookie_offset;
};
struct nfsd4_release_lockowner {
@@ -311,17 +321,22 @@ struct nfsd4_secinfo {
struct svc_export *si_exp; /* response */
};
+struct nfsd4_secinfo_no_name {
+ u32 sin_style; /* request */
+ struct svc_export *sin_exp; /* response */
+};
+
struct nfsd4_setattr {
stateid_t sa_stateid; /* request */
u32 sa_bmval[3]; /* request */
struct iattr sa_iattr; /* request */
struct nfs4_acl *sa_acl;
+ struct xdr_netobj sa_label;
};
struct nfsd4_setclientid {
nfs4_verifier se_verf; /* request */
- u32 se_namelen; /* request */
- char * se_name; /* request */
+ struct xdr_netobj se_name;
u32 se_callback_prog; /* request */
u32 se_callback_netid_len; /* request */
char * se_callback_netid_val; /* request */
@@ -337,6 +352,28 @@ struct nfsd4_setclientid_confirm {
nfs4_verifier sc_confirm;
};
+struct nfsd4_saved_compoundargs {
+ __be32 *p;
+ __be32 *end;
+ int pagelen;
+ struct page **pagelist;
+};
+
+struct nfsd4_test_stateid_id {
+ __be32 ts_id_status;
+ stateid_t ts_id_stateid;
+ struct list_head ts_id_list;
+};
+
+struct nfsd4_test_stateid {
+ u32 ts_num_ids;
+ struct list_head ts_stateid_list;
+};
+
+struct nfsd4_free_stateid {
+ stateid_t fr_stateid; /* request */
+};
+
/* also used for NVERIFY */
struct nfsd4_verify {
u32 ve_bmval[3]; /* request */
@@ -349,7 +386,8 @@ struct nfsd4_write {
u64 wr_offset; /* request */
u32 wr_stable_how; /* request */
u32 wr_buflen; /* request */
- int wr_vlen;
+ struct kvec wr_head;
+ struct page ** wr_pagelist; /* request */
u32 wr_bytes_written; /* response */
u32 wr_how_written; /* response */
@@ -373,14 +411,18 @@ struct nfsd4_sequence {
u32 cachethis; /* request */
#if 0
u32 target_maxslots; /* response */
- u32 status_flags; /* response */
#endif /* not yet */
+ u32 status_flags; /* response */
};
struct nfsd4_destroy_session {
struct nfs4_sessionid sessionid;
};
+struct nfsd4_destroy_clientid {
+ clientid_t clientid;
+};
+
struct nfsd4_reclaim_complete {
u32 rca_one_fs;
};
@@ -422,14 +464,20 @@ struct nfsd4_op {
/* NFSv4.1 */
struct nfsd4_exchange_id exchange_id;
+ struct nfsd4_backchannel_ctl backchannel_ctl;
+ struct nfsd4_bind_conn_to_session bind_conn_to_session;
struct nfsd4_create_session create_session;
struct nfsd4_destroy_session destroy_session;
struct nfsd4_sequence sequence;
struct nfsd4_reclaim_complete reclaim_complete;
+ struct nfsd4_test_stateid test_stateid;
+ struct nfsd4_free_stateid free_stateid;
} u;
struct nfs4_replay * replay;
};
+bool nfsd4_cache_this_op(struct nfsd4_op *);
+
struct nfsd4_compoundargs {
/* scratch variables for XDR decode */
__be32 * p;
@@ -452,13 +500,12 @@ struct nfsd4_compoundargs {
u32 opcnt;
struct nfsd4_op *ops;
struct nfsd4_op iops[8];
+ int cachetype;
};
struct nfsd4_compoundres {
/* scratch variables for XDR encode */
- __be32 * p;
- __be32 * end;
- struct xdr_buf * xbuf;
+ struct xdr_stream xdr;
struct svc_rqst * rqstp;
u32 taglen;
@@ -476,26 +523,37 @@ static inline bool nfsd4_is_solo_sequence(struct nfsd4_compoundres *resp)
static inline bool nfsd4_not_cached(struct nfsd4_compoundres *resp)
{
- return !resp->cstate.slot->sl_cachethis || nfsd4_is_solo_sequence(resp);
+ return !(resp->cstate.slot->sl_flags & NFSD4_SLOT_CACHETHIS)
+ || nfsd4_is_solo_sequence(resp);
}
+static inline bool nfsd4_last_compound_op(struct svc_rqst *rqstp)
+{
+ struct nfsd4_compoundres *resp = rqstp->rq_resp;
+ struct nfsd4_compoundargs *argp = rqstp->rq_argp;
+
+ return argp->opcnt == resp->opcnt;
+}
+
+int nfsd4_max_reply(struct svc_rqst *rqstp, struct nfsd4_op *op);
+void warn_on_nonidempotent_op(struct nfsd4_op *op);
+
#define NFS4_SVC_XDRSIZE sizeof(struct nfsd4_compoundargs)
static inline void
set_change_info(struct nfsd4_change_info *cinfo, struct svc_fh *fhp)
{
- BUG_ON(!fhp->fh_pre_saved || !fhp->fh_post_saved);
- cinfo->atomic = 1;
+ BUG_ON(!fhp->fh_pre_saved);
+ cinfo->atomic = fhp->fh_post_saved;
cinfo->change_supported = IS_I_VERSION(fhp->fh_dentry->d_inode);
- if (cinfo->change_supported) {
- cinfo->before_change = fhp->fh_pre_change;
- cinfo->after_change = fhp->fh_post_change;
- } else {
- cinfo->before_ctime_sec = fhp->fh_pre_ctime.tv_sec;
- cinfo->before_ctime_nsec = fhp->fh_pre_ctime.tv_nsec;
- cinfo->after_ctime_sec = fhp->fh_post_attr.ctime.tv_sec;
- cinfo->after_ctime_nsec = fhp->fh_post_attr.ctime.tv_nsec;
- }
+
+ cinfo->before_change = fhp->fh_pre_change;
+ cinfo->after_change = fhp->fh_post_change;
+ cinfo->before_ctime_sec = fhp->fh_pre_ctime.tv_sec;
+ cinfo->before_ctime_nsec = fhp->fh_pre_ctime.tv_nsec;
+ cinfo->after_ctime_sec = fhp->fh_post_attr.ctime.tv_sec;
+ cinfo->after_ctime_nsec = fhp->fh_post_attr.ctime.tv_nsec;
+
}
int nfs4svc_encode_voidres(struct svc_rqst *, __be32 *, void *);
@@ -503,11 +561,13 @@ int nfs4svc_decode_compoundargs(struct svc_rqst *, __be32 *,
struct nfsd4_compoundargs *);
int nfs4svc_encode_compoundres(struct svc_rqst *, __be32 *,
struct nfsd4_compoundres *);
+__be32 nfsd4_check_resp_size(struct nfsd4_compoundres *, u32);
void nfsd4_encode_operation(struct nfsd4_compoundres *, struct nfsd4_op *);
-void nfsd4_encode_replay(struct nfsd4_compoundres *resp, struct nfsd4_op *op);
-__be32 nfsd4_encode_fattr(struct svc_fh *fhp, struct svc_export *exp,
- struct dentry *dentry, __be32 *buffer, int *countp,
- u32 *bmval, struct svc_rqst *, int ignore_crossmnt);
+void nfsd4_encode_replay(struct xdr_stream *xdr, struct nfsd4_op *op);
+__be32 nfsd4_encode_fattr_to_buf(__be32 **p, int words,
+ struct svc_fh *fhp, struct svc_export *exp,
+ struct dentry *dentry,
+ u32 *bmval, struct svc_rqst *, int ignore_crossmnt);
extern __be32 nfsd4_setclientid(struct svc_rqst *rqstp,
struct nfsd4_compound_state *,
struct nfsd4_setclientid *setclid);
@@ -515,10 +575,10 @@ extern __be32 nfsd4_setclientid_confirm(struct svc_rqst *rqstp,
struct nfsd4_compound_state *,
struct nfsd4_setclientid_confirm *setclientid_confirm);
extern void nfsd4_store_cache_entry(struct nfsd4_compoundres *resp);
-extern __be32 nfsd4_replay_cache_entry(struct nfsd4_compoundres *resp,
- struct nfsd4_sequence *seq);
extern __be32 nfsd4_exchange_id(struct svc_rqst *rqstp,
struct nfsd4_compound_state *, struct nfsd4_exchange_id *);
+extern __be32 nfsd4_backchannel_ctl(struct svc_rqst *, struct nfsd4_compound_state *, struct nfsd4_backchannel_ctl *);
+extern __be32 nfsd4_bind_conn_to_session(struct svc_rqst *, struct nfsd4_compound_state *, struct nfsd4_bind_conn_to_session *);
extern __be32 nfsd4_create_session(struct svc_rqst *,
struct nfsd4_compound_state *,
struct nfsd4_create_session *);
@@ -528,11 +588,13 @@ extern __be32 nfsd4_sequence(struct svc_rqst *,
extern __be32 nfsd4_destroy_session(struct svc_rqst *,
struct nfsd4_compound_state *,
struct nfsd4_destroy_session *);
+extern __be32 nfsd4_destroy_clientid(struct svc_rqst *, struct nfsd4_compound_state *, struct nfsd4_destroy_clientid *);
__be32 nfsd4_reclaim_complete(struct svc_rqst *, struct nfsd4_compound_state *, struct nfsd4_reclaim_complete *);
extern __be32 nfsd4_process_open1(struct nfsd4_compound_state *,
- struct nfsd4_open *open);
+ struct nfsd4_open *open, struct nfsd_net *nn);
extern __be32 nfsd4_process_open2(struct svc_rqst *rqstp,
struct svc_fh *current_fh, struct nfsd4_open *open);
+extern void nfsd4_cleanup_open_state(struct nfsd4_open *open, __be32 status);
extern __be32 nfsd4_open_confirm(struct svc_rqst *rqstp,
struct nfsd4_compound_state *, struct nfsd4_open_confirm *oc);
extern __be32 nfsd4_close(struct svc_rqst *rqstp,
@@ -553,11 +615,16 @@ extern __be32
nfsd4_release_lockowner(struct svc_rqst *rqstp,
struct nfsd4_compound_state *,
struct nfsd4_release_lockowner *rlockowner);
-extern void nfsd4_release_compoundargs(struct nfsd4_compoundargs *);
+extern int nfsd4_release_compoundargs(void *rq, __be32 *p, void *resp);
extern __be32 nfsd4_delegreturn(struct svc_rqst *rqstp,
struct nfsd4_compound_state *, struct nfsd4_delegreturn *dr);
extern __be32 nfsd4_renew(struct svc_rqst *rqstp,
struct nfsd4_compound_state *, clientid_t *clid);
+extern __be32 nfsd4_test_stateid(struct svc_rqst *rqstp,
+ struct nfsd4_compound_state *, struct nfsd4_test_stateid *test_stateid);
+extern __be32 nfsd4_free_stateid(struct svc_rqst *rqstp,
+ struct nfsd4_compound_state *, struct nfsd4_free_stateid *free_stateid);
+extern void nfsd4_bump_seqid(struct nfsd4_compound_state *, __be32 nfserr);
#endif
/*
generated by cgit v1.2.3-70-g09d2 (git 2.46.0) at 2025-11-03 18:30:48 +0000