/*
 * Copyright (c) 2013 Trond Myklebust <Trond.Myklebust@netapp.com>
 */
#undef TRACE_SYSTEM
#define TRACE_SYSTEM nfs4

#if !defined(_TRACE_NFS4_H) || defined(TRACE_HEADER_MULTI_READ)
#define _TRACE_NFS4_H

#include <linux/tracepoint.h>

#define show_nfsv4_errors(error) \
	__print_symbolic(error, \
		{ NFS4_OK, "OK" }, \
		/* Mapped by nfs4_stat_to_errno() */ \
		{ -EPERM, "EPERM" }, \
		{ -ENOENT, "ENOENT" }, \
		{ -EIO, "EIO" }, \
		{ -ENXIO, "ENXIO" }, \
		{ -EACCES, "EACCES" }, \
		{ -EEXIST, "EEXIST" }, \
		{ -EXDEV, "EXDEV" }, \
		{ -ENOTDIR, "ENOTDIR" }, \
		{ -EISDIR, "EISDIR" }, \
		{ -EFBIG, "EFBIG" }, \
		{ -ENOSPC, "ENOSPC" }, \
		{ -EROFS, "EROFS" }, \
		{ -EMLINK, "EMLINK" }, \
		{ -ENAMETOOLONG, "ENAMETOOLONG" }, \
		{ -ENOTEMPTY, "ENOTEMPTY" }, \
		{ -EDQUOT, "EDQUOT" }, \
		{ -ESTALE, "ESTALE" }, \
		{ -EBADHANDLE, "EBADHANDLE" }, \
		{ -EBADCOOKIE, "EBADCOOKIE" }, \
		{ -ENOTSUPP, "ENOTSUPP" }, \
		{ -ETOOSMALL, "ETOOSMALL" }, \
		{ -EREMOTEIO, "EREMOTEIO" }, \
		{ -EBADTYPE, "EBADTYPE" }, \
		{ -EAGAIN, "EAGAIN" }, \
		{ -ELOOP, "ELOOP" }, \
		{ -EOPNOTSUPP, "EOPNOTSUPP" }, \
		{ -EDEADLK, "EDEADLK" }, \
		/* RPC errors */ \
		{ -ENOMEM, "ENOMEM" }, \
		{ -EKEYEXPIRED, "EKEYEXPIRED" }, \
		{ -ETIMEDOUT, "ETIMEDOUT" }, \
		{ -ERESTARTSYS, "ERESTARTSYS" }, \
		{ -ECONNREFUSED, "ECONNREFUSED" }, \
		{ -ECONNRESET, "ECONNRESET" }, \
		{ -ENETUNREACH, "ENETUNREACH" }, \
		{ -EHOSTUNREACH, "EHOSTUNREACH" }, \
		{ -EHOSTDOWN, "EHOSTDOWN" }, \
		{ -EPIPE, "EPIPE" }, \
		{ -EPFNOSUPPORT, "EPFNOSUPPORT" }, \
		{ -EPROTONOSUPPORT, "EPROTONOSUPPORT" }, \
		/* NFSv4 native errors */ \
		{ -NFS4ERR_ACCESS, "ACCESS" }, \
		{ -NFS4ERR_ATTRNOTSUPP, "ATTRNOTSUPP" }, \
		{ -NFS4ERR_ADMIN_REVOKED, "ADMIN_REVOKED" }, \
		{ -NFS4ERR_BACK_CHAN_BUSY, "BACK_CHAN_BUSY" }, \
		{ -NFS4ERR_BADCHAR, "BADCHAR" }, \
		{ -NFS4ERR_BADHANDLE, "BADHANDLE" }, \
		{ -NFS4ERR_BADIOMODE, "BADIOMODE" }, \
		{ -NFS4ERR_BADLAYOUT, "BADLAYOUT" }, \
		{ -NFS4ERR_BADLABEL, "BADLABEL" }, \
		{ -NFS4ERR_BADNAME, "BADNAME" }, \
		{ -NFS4ERR_BADOWNER, "BADOWNER" }, \
		{ -NFS4ERR_BADSESSION, "BADSESSION" }, \
		{ -NFS4ERR_BADSLOT, "BADSLOT" }, \
		{ -NFS4ERR_BADTYPE, "BADTYPE" }, \
		{ -NFS4ERR_BADXDR, "BADXDR" }, \
		{ -NFS4ERR_BAD_COOKIE, "BAD_COOKIE" }, \
		{ -NFS4ERR_BAD_HIGH_SLOT, "BAD_HIGH_SLOT" }, \
		{ -NFS4ERR_BAD_RANGE, "BAD_RANGE" }, \
		{ -NFS4ERR_BAD_SEQID, "BAD_SEQID" }, \
		{ -NFS4ERR_BAD_SESSION_DIGEST, "BAD_SESSION_DIGEST" }, \
		{ -NFS4ERR_BAD_STATEID, "BAD_STATEID" }, \
		{ -NFS4ERR_CB_PATH_DOWN, "CB_PATH_DOWN" }, \
		{ -NFS4ERR_CLID_INUSE, "CLID_INUSE" }, \
		{ -NFS4ERR_CLIENTID_BUSY, "CLIENTID_BUSY" }, \
		{ -NFS4ERR_COMPLETE_ALREADY, "COMPLETE_ALREADY" }, \
		{ -NFS4ERR_CONN_NOT_BOUND_TO_SESSION, \
			"CONN_NOT_BOUND_TO_SESSION" }, \
		{ -NFS4ERR_DEADLOCK, "DEADLOCK" }, \
		{ -NFS4ERR_DEADSESSION, "DEAD_SESSION" }, \
		{ -NFS4ERR_DELAY, "DELAY" }, \
		{ -NFS4ERR_DELEG_ALREADY_WANTED, \
			"DELEG_ALREADY_WANTED" }, \
		{ -NFS4ERR_DELEG_REVOKED, "DELEG_REVOKED" }, \
		{ -NFS4ERR_DENIED, "DENIED" }, \
		{ -NFS4ERR_DIRDELEG_UNAVAIL, "DIRDELEG_UNAVAIL" }, \
		{ -NFS4ERR_DQUOT, "DQUOT" }, \
		{ -NFS4ERR_ENCR_ALG_UNSUPP, "ENCR_ALG_UNSUPP" }, \
		{ -NFS4ERR_EXIST, "EXIST" }, \
		{ -NFS4ERR_EXPIRED, "EXPIRED" }, \
		{ -NFS4ERR_FBIG, "FBIG" }, \
		{ -NFS4ERR_FHEXPIRED, "FHEXPIRED" }, \
		{ -NFS4ERR_FILE_OPEN, "FILE_OPEN" }, \
		{ -NFS4ERR_GRACE, "GRACE" }, \
		{ -NFS4ERR_HASH_ALG_UNSUPP, "HASH_ALG_UNSUPP" }, \
		{ -NFS4ERR_INVAL, "INVAL" }, \
		{ -NFS4ERR_IO, "IO" }, \
		{ -NFS4ERR_ISDIR, "ISDIR" }, \
		{ -NFS4ERR_LAYOUTTRYLATER, "LAYOUTTRYLATER" }, \
		{ -NFS4ERR_LAYOUTUNAVAILABLE, "LAYOUTUNAVAILABLE" }, \
		{ -NFS4ERR_LEASE_MOVED, "LEASE_MOVED" }, \
		{ -NFS4ERR_LOCKED, "LOCKED" }, \
		{ -NFS4ERR_LOCKS_HELD, "LOCKS_HELD" }, \
		{ -NFS4ERR_LOCK_RANGE, "LOCK_RANGE" }, \
		{ -NFS4ERR_MINOR_VERS_MISMATCH, "MINOR_VERS_MISMATCH" }, \
		{ -NFS4ERR_MLINK, "MLINK" }, \
		{ -NFS4ERR_MOVED, "MOVED" }, \
		{ -NFS4ERR_NAMETOOLONG, "NAMETOOLONG" }, \
		{ -NFS4ERR_NOENT, "NOENT" }, \
		{ -NFS4ERR_NOFILEHANDLE, "NOFILEHANDLE" }, \
		{ -NFS4ERR_NOMATCHING_LAYOUT, "NOMATCHING_LAYOUT" }, \
		{ -NFS4ERR_NOSPC, "NOSPC" }, \
		{ -NFS4ERR_NOTDIR, "NOTDIR" }, \
		{ -NFS4ERR_NOTEMPTY, "NOTEMPTY" }, \
		{ -NFS4ERR_NOTSUPP, "NOTSUPP" }, \
		{ -NFS4ERR_NOT_ONLY_OP, "NOT_ONLY_OP" }, \
		{ -NFS4ERR_NOT_SAME, "NOT_SAME" }, \
		{ -NFS4ERR_NO_GRACE, "NO_GRACE" }, \
		{ -NFS4ERR_NXIO, "NXIO" }, \
		{ -NFS4ERR_OLD_STATEID, "OLD_STATEID" }, \
		{ -NFS4ERR_OPENMODE, "OPENMODE" }, \
		{ -NFS4ERR_OP_ILLEGAL, "OP_ILLEGAL" }, \
		{ -NFS4ERR_OP_NOT_IN_SESSION, "OP_NOT_IN_SESSION" }, \
		{ -NFS4ERR_PERM, "PERM" }, \
		{ -NFS4ERR_PNFS_IO_HOLE, "PNFS_IO_HOLE" }, \
		{ -NFS4ERR_PNFS_NO_LAYOUT, "PNFS_NO_LAYOUT" }, \
		{ -NFS4ERR_RECALLCONFLICT, "RECALLCONFLICT" }, \
		{ -NFS4ERR_RECLAIM_BAD, "RECLAIM_BAD" }, \
		{ -NFS4ERR_RECLAIM_CONFLICT, "RECLAIM_CONFLICT" }, \
		{ -NFS4ERR_REJECT_DELEG, "REJECT_DELEG" }, \
		{ -NFS4ERR_REP_TOO_BIG, "REP_TOO_BIG" }, \
		{ -NFS4ERR_REP_TOO_BIG_TO_CACHE, \
			"REP_TOO_BIG_TO_CACHE" }, \
		{ -NFS4ERR_REQ_TOO_BIG, "REQ_TOO_BIG" }, \
		{ -NFS4ERR_RESOURCE, "RESOURCE" }, \
		{ -NFS4ERR_RESTOREFH, "RESTOREFH" }, \
		{ -NFS4ERR_RETRY_UNCACHED_REP, "RETRY_UNCACHED_REP" }, \
		{ -NFS4ERR_RETURNCONFLICT, "RETURNCONFLICT" }, \
		{ -NFS4ERR_ROFS, "ROFS" }, \
		{ -NFS4ERR_SAME, "SAME" }, \
		{ -NFS4ERR_SHARE_DENIED, "SHARE_DENIED" }, \
		{ -NFS4ERR_SEQUENCE_POS, "SEQUENCE_POS" }, \
		{ -NFS4ERR_SEQ_FALSE_RETRY, "SEQ_FALSE_RETRY" }, \
		{ -NFS4ERR_SEQ_MISORDERED, "SEQ_MISORDERED" }, \
		{ -NFS4ERR_SERVERFAULT, "SERVERFAULT" }, \
		{ -NFS4ERR_STALE, "STALE" }, \
		{ -NFS4ERR_STALE_CLIENTID, "STALE_CLIENTID" }, \
		{ -NFS4ERR_STALE_STATEID, "STALE_STATEID" }, \
		{ -NFS4ERR_SYMLINK, "SYMLINK" }, \
		{ -NFS4ERR_TOOSMALL, "TOOSMALL" }, \
		{ -NFS4ERR_TOO_MANY_OPS, "TOO_MANY_OPS" }, \
		{ -NFS4ERR_UNKNOWN_LAYOUTTYPE, "UNKNOWN_LAYOUTTYPE" }, \
		{ -NFS4ERR_UNSAFE_COMPOUND, "UNSAFE_COMPOUND" }, \
		{ -NFS4ERR_WRONGSEC, "WRONGSEC" }, \
		{ -NFS4ERR_WRONG_CRED, "WRONG_CRED" }, \
		{ -NFS4ERR_WRONG_TYPE, "WRONG_TYPE" }, \
		{ -NFS4ERR_XDEV, "XDEV" })

#define show_open_flags(flags) \
	__print_flags(flags, "|", \
		{ O_CREAT, "O_CREAT" }, \
		{ O_EXCL, "O_EXCL" }, \
		{ O_TRUNC, "O_TRUNC" }, \
		{ O_DIRECT, "O_DIRECT" })

#define show_fmode_flags(mode) \
	__print_flags(mode, "|", \
		{ ((__force unsigned long)FMODE_READ), "READ" }, \
		{ ((__force unsigned long)FMODE_WRITE), "WRITE" }, \
		{ ((__force unsigned long)FMODE_EXEC), "EXEC" })

DECLARE_EVENT_CLASS(nfs4_clientid_event,
		TP_PROTO(
			const struct nfs_client *clp,
			int error
		),

		TP_ARGS(clp, error),

		TP_STRUCT__entry(
			__string(dstaddr,
				rpc_peeraddr2str(clp->cl_rpcclient,
					RPC_DISPLAY_ADDR))
			__field(int, error)
		),

		TP_fast_assign(
			__entry->error = error;
			__assign_str(dstaddr,
				rpc_peeraddr2str(clp->cl_rpcclient,
						RPC_DISPLAY_ADDR));
		),

		TP_printk(
			"error=%d (%s) dstaddr=%s",
			__entry->error,
			show_nfsv4_errors(__entry->error),
			__get_str(dstaddr)
		)
);
#define DEFINE_NFS4_CLIENTID_EVENT(name) \
	DEFINE_EVENT(nfs4_clientid_event, name,	 \
			TP_PROTO( \
				const struct nfs_client *clp, \
				int error \
			), \
			TP_ARGS(clp, error))
DEFINE_NFS4_CLIENTID_EVENT(nfs4_setclientid);
DEFINE_NFS4_CLIENTID_EVENT(nfs4_setclientid_confirm);
DEFINE_NFS4_CLIENTID_EVENT(nfs4_renew);
DEFINE_NFS4_CLIENTID_EVENT(nfs4_renew_async);
#ifdef CONFIG_NFS_V4_1
DEFINE_NFS4_CLIENTID_EVENT(nfs4_exchange_id);
DEFINE_NFS4_CLIENTID_EVENT(nfs4_create_session);
DEFINE_NFS4_CLIENTID_EVENT(nfs4_destroy_session);
DEFINE_NFS4_CLIENTID_EVENT(nfs4_destroy_clientid);
DEFINE_NFS4_CLIENTID_EVENT(nfs4_bind_conn_to_session);
DEFINE_NFS4_CLIENTID_EVENT(nfs4_sequence);
DEFINE_NFS4_CLIENTID_EVENT(nfs4_reclaim_complete);
#endif /* CONFIG_NFS_V4_1 */

DECLARE_EVENT_CLASS(nfs4_open_event,
		TP_PROTO(
			const struct nfs_open_context *ctx,
			int flags,
			int error
		),

		TP_ARGS(ctx, flags, error),

		TP_STRUCT__entry(
			__field(int, error)
			__field(unsigned int, flags)
			__field(unsigned int, fmode)
			__field(dev_t, dev)
			__field(u32, fhandle)
			__field(u64, fileid)
			__field(u64, dir)
			__string(name, ctx->dentry->d_name.name)
		),

		TP_fast_assign(
			const struct nfs4_state *state = ctx->state;
			const struct inode *inode = NULL;

			__entry->error = error;
			__entry->flags = flags;
			__entry->fmode = (__force unsigned int)ctx->mode;
			__entry->dev = ctx->dentry->d_sb->s_dev;
			if (!IS_ERR(state))
				inode = state->inode;
			if (inode != NULL) {
				__entry->fileid = NFS_FILEID(inode);
				__entry->fhandle = nfs_fhandle_hash(NFS_FH(inode));
			} else {
				__entry->fileid = 0;
				__entry->fhandle = 0;
			}
			__entry->dir = NFS_FILEID(ctx->dentry->d_parent->d_inode);
			__assign_str(name, ctx->dentry->d_name.name);
		),

		TP_printk(
			"error=%d (%s) flags=%d (%s) fmode=%s "
			"fileid=%02x:%02x:%llu fhandle=0x%08x "
			"name=%02x:%02x:%llu/%s",
			 __entry->error,
			 show_nfsv4_errors(__entry->error),
			 __entry->flags,
			 show_open_flags(__entry->flags),
			 show_fmode_flags(__entry->fmode),
			 MAJOR(__entry->dev), MINOR(__entry->dev),
			 (unsigned long long)__entry->fileid,
			 __entry->fhandle,
			 MAJOR(__entry->dev), MINOR(__entry->dev),
			 (unsigned long long)__entry->dir,
			 __get_str(name)
		)
);

#define DEFINE_NFS4_OPEN_EVENT(name) \
	DEFINE_EVENT(nfs4_open_event, name, \
			TP_PROTO( \
				const struct nfs_open_context *ctx, \
				int flags, \
				int error \
			), \
			TP_ARGS(ctx, flags, error))
DEFINE_NFS4_OPEN_EVENT(nfs4_open_reclaim);
DEFINE_NFS4_OPEN_EVENT(nfs4_open_expired);
DEFINE_NFS4_OPEN_EVENT(nfs4_open_file);

TRACE_EVENT(nfs4_close,
		TP_PROTO(
			const struct nfs4_state *state,
			const struct nfs_closeargs *args,
			const struct nfs_closeres *res,
			int error
		),

		TP_ARGS(state, args, res, error),

		TP_STRUCT__entry(
			__field(dev_t, dev)
			__field(u32, fhandle)
			__field(u64, fileid)
			__field(unsigned int, fmode)
			__field(int, error)
		),

		TP_fast_assign(
			const struct inode *inode = state->inode;

			__entry->dev = inode->i_sb->s_dev;
			__entry->fileid = NFS_FILEID(inode);
			__entry->fhandle = nfs_fhandle_hash(NFS_FH(inode));
			__entry->fmode = (__force unsigned int)state->state;
			__entry->error = error;
		),

		TP_printk(
			"error=%d (%s) fmode=%s fileid=%02x:%02x:%llu "
			"fhandle=0x%08x",
			__entry->error,
			show_nfsv4_errors(__entry->error),
			__entry->fmode ?  show_fmode_flags(__entry->fmode) :
					  "closed",
			MAJOR(__entry->dev), MINOR(__entry->dev),
			(unsigned long long)__entry->fileid,
			__entry->fhandle
		)
);

#define show_lock_cmd(type) \
	__print_symbolic((int)type, \
		{ F_GETLK, "GETLK" }, \
		{ F_SETLK, "SETLK" }, \
		{ F_SETLKW, "SETLKW" })
#define show_lock_type(type) \
	__print_symbolic((int)type, \
		{ F_RDLCK, "RDLCK" }, \
		{ F_WRLCK, "WRLCK" }, \
		{ F_UNLCK, "UNLCK" })

DECLARE_EVENT_CLASS(nfs4_lock_event,
		TP_PROTO(
			const struct file_lock *request,
			const struct nfs4_state *state,
			int cmd,
			int error
		),

		TP_ARGS(request, state, cmd, error),

		TP_STRUCT__entry(
			__field(int, error)
			__field(int, cmd)
			__field(char, type)
			__field(loff_t, start)
			__field(loff_t, end)
			__field(dev_t, dev)
			__field(u32, fhandle)
			__field(u64, fileid)
		),

		TP_fast_assign(
			const struct inode *inode = state->inode;

			__entry->error = error;
			__entry->cmd = cmd;
			__entry->type = request->fl_type;
			__entry->start = request->fl_start;
			__entry->end = request->fl_end;
			__entry->dev = inode->i_sb->s_dev;
			__entry->fileid = NFS_FILEID(inode);
			__entry->fhandle = nfs_fhandle_hash(NFS_FH(inode));
		),

		TP_printk(
			"error=%d (%s) cmd=%s:%s range=%lld:%lld "
			"fileid=%02x:%02x:%llu fhandle=0x%08x",
			__entry->error,
			show_nfsv4_errors(__entry->error),
			show_lock_cmd(__entry->cmd),
			show_lock_type(__entry->type),
			(long long)__entry->start,
			(long long)__entry->end,
			MAJOR(__entry->dev), MINOR(__entry->dev),
			(unsigned long long)__entry->fileid,
			__entry->fhandle
		)
);

#define DEFINE_NFS4_LOCK_EVENT(name) \
	DEFINE_EVENT(nfs4_lock_event, name, \
			TP_PROTO( \
				const struct file_lock *request, \
				const struct nfs4_state *state, \
				int cmd, \
				int error \
			), \
			TP_ARGS(request, state, cmd, error))
DEFINE_NFS4_LOCK_EVENT(nfs4_get_lock);
DEFINE_NFS4_LOCK_EVENT(nfs4_set_lock);
DEFINE_NFS4_LOCK_EVENT(nfs4_lock_reclaim);
DEFINE_NFS4_LOCK_EVENT(nfs4_lock_expired);
DEFINE_NFS4_LOCK_EVENT(nfs4_unlock);

DECLARE_EVENT_CLASS(nfs4_lookup_event,
		TP_PROTO(
			const struct inode *dir,
			const struct qstr *name,
			int error
		),

		TP_ARGS(dir, name, error),

		TP_STRUCT__entry(
			__field(dev_t, dev)
			__field(int, error)
			__field(u64, dir)
			__string(name, name->name)
		),

		TP_fast_assign(
			__entry->dev = dir->i_sb->s_dev;
			__entry->dir = NFS_FILEID(dir);
			__entry->error = error;
			__assign_str(name, name->name);
		),

		TP_printk(
			"error=%d (%s) name=%02x:%02x:%llu/%s",
			__entry->error,
			show_nfsv4_errors(__entry->error),
			MAJOR(__entry->dev), MINOR(__entry->dev),
			(unsigned long long)__entry->dir,
			__get_str(name)
		)
);

#define DEFINE_NFS4_LOOKUP_EVENT(name) \
	DEFINE_EVENT(nfs4_lookup_event, name, \
			TP_PROTO( \
				const struct inode *dir, \
				const struct qstr *name, \
				int error \
			), \
			TP_ARGS(dir, name, error))

DEFINE_NFS4_LOOKUP_EVENT(nfs4_lookup);
DEFINE_NFS4_LOOKUP_EVENT(nfs4_symlink);
DEFINE_NFS4_LOOKUP_EVENT(nfs4_mkdir);
DEFINE_NFS4_LOOKUP_EVENT(nfs4_mknod);
DEFINE_NFS4_LOOKUP_EVENT(nfs4_remove);
DEFINE_NFS4_LOOKUP_EVENT(nfs4_get_fs_locations);
DEFINE_NFS4_LOOKUP_EVENT(nfs4_secinfo);

DECLARE_EVENT_CLASS(nfs4_inode_event,
		TP_PROTO(
			const struct inode *inode,
			int error
		),

		TP_ARGS(inode, error),

		TP_STRUCT__entry(
			__field(dev_t, dev)
			__field(u32, fhandle)
			__field(u64, fileid)
			__field(int, error)
		),

		TP_fast_assign(
			__entry->dev = inode->i_sb->s_dev;
			__entry->fileid = NFS_FILEID(inode);
			__entry->fhandle = nfs_fhandle_hash(NFS_FH(inode));
			__entry->error = error;
		),

		TP_printk(
			"error=%d (%s) fileid=%02x:%02x:%llu fhandle=0x%08x",
			__entry->error,
			show_nfsv4_errors(__entry->error),
			MAJOR(__entry->dev), MINOR(__entry->dev),
			(unsigned long long)__entry->fileid,
			__entry->fhandle
		)
);

#define DEFINE_NFS4_INODE_EVENT(name) \
	DEFINE_EVENT(nfs4_inode_event, name, \
			TP_PROTO( \
				const struct inode *inode, \
				int error \
			), \
			TP_ARGS(inode, error))

DEFINE_NFS4_INODE_EVENT(nfs4_setattr);
DEFINE_NFS4_INODE_EVENT(nfs4_access);
DEFINE_NFS4_INODE_EVENT(nfs4_readlink);
DEFINE_NFS4_INODE_EVENT(nfs4_readdir);
DEFINE_NFS4_INODE_EVENT(nfs4_get_acl);
DEFINE_NFS4_INODE_EVENT(nfs4_set_acl);
#ifdef CONFIG_NFS_V4_SECURITY_LABEL
DEFINE_NFS4_INODE_EVENT(nfs4_get_security_label);
DEFINE_NFS4_INODE_EVENT(nfs4_set_security_label);
#endif /* CONFIG_NFS_V4_SECURITY_LABEL */

#endif /* _TRACE_NFS4_H */

#undef TRACE_INCLUDE_PATH
#define TRACE_INCLUDE_PATH .
#define TRACE_INCLUDE_FILE nfs4trace
/* This part must be outside protection */
#include <trace/define_trace.h>