Na}{

File Content: `rpc_pipe_fs.h`

/* SPDX-License-Identifier: GPL-2.0 */
#ifndef _LINUX_SUNRPC_RPC_PIPE_FS_H
#define _LINUX_SUNRPC_RPC_PIPE_FS_H

#include <linux/workqueue.h>

struct rpc_pipe_dir_head {
	struct list_head pdh_entries;
	struct dentry *pdh_dentry;
};

struct rpc_pipe_dir_object_ops;
struct rpc_pipe_dir_object {
	struct list_head pdo_head;
	const struct rpc_pipe_dir_object_ops *pdo_ops;

	void *pdo_data;
};

struct rpc_pipe_dir_object_ops {
	int (*create)(struct dentry *dir,
			struct rpc_pipe_dir_object *pdo);
	void (*destroy)(struct dentry *dir,
			struct rpc_pipe_dir_object *pdo);
};

struct rpc_pipe_msg {
	struct list_head list;
	void *data;
	size_t len;
	size_t copied;
	int errno;
};

struct rpc_pipe_ops {
	ssize_t (*upcall)(struct file *, struct rpc_pipe_msg *, char __user *, size_t);
	ssize_t (*downcall)(struct file *, const char __user *, size_t);
	void (*release_pipe)(struct inode *);
	int (*open_pipe)(struct inode *);
	void (*destroy_msg)(struct rpc_pipe_msg *);
};

struct rpc_pipe {
	struct list_head pipe;
	struct list_head in_upcall;
	struct list_head in_downcall;
	int pipelen;
	int nreaders;
	int nwriters;
#define RPC_PIPE_WAIT_FOR_OPEN	1
	int flags;
	struct delayed_work queue_timeout;
	const struct rpc_pipe_ops *ops;
	spinlock_t lock;
	struct dentry *dentry;
};

struct rpc_inode {
	struct inode vfs_inode;
	void *private;
	struct rpc_pipe *pipe;
	wait_queue_head_t waitq;
};

static inline struct rpc_inode *
RPC_I(struct inode *inode)
{
	return container_of(inode, struct rpc_inode, vfs_inode);
}

enum {
	SUNRPC_PIPEFS_NFS_PRIO,
	SUNRPC_PIPEFS_RPC_PRIO,
};

extern int rpc_pipefs_notifier_register(struct notifier_block *);
extern void rpc_pipefs_notifier_unregister(struct notifier_block *);

enum {
	RPC_PIPEFS_MOUNT,
	RPC_PIPEFS_UMOUNT,
};

extern struct dentry *rpc_d_lookup_sb(const struct super_block *sb,
				      const unsigned char *dir_name);
extern int rpc_pipefs_init_net(struct net *net);
extern void rpc_pipefs_exit_net(struct net *net);
extern struct super_block *rpc_get_sb_net(const struct net *net);
extern void rpc_put_sb_net(const struct net *net);

extern ssize_t rpc_pipe_generic_upcall(struct file *, struct rpc_pipe_msg *,
				       char __user *, size_t);
extern int rpc_queue_upcall(struct rpc_pipe *, struct rpc_pipe_msg *);

/* returns true if the msg is in-flight, i.e., already eaten by the peer */
static inline bool rpc_msg_is_inflight(const struct rpc_pipe_msg *msg) {
	return (msg->copied != 0 && list_empty(&msg->list));
}

struct rpc_clnt;
extern struct dentry *rpc_create_client_dir(struct dentry *, const char *, struct rpc_clnt *);
extern int rpc_remove_client_dir(struct rpc_clnt *);

extern void rpc_init_pipe_dir_head(struct rpc_pipe_dir_head *pdh);
extern void rpc_init_pipe_dir_object(struct rpc_pipe_dir_object *pdo,
		const struct rpc_pipe_dir_object_ops *pdo_ops,
		void *pdo_data);
extern int rpc_add_pipe_dir_object(struct net *net,
		struct rpc_pipe_dir_head *pdh,
		struct rpc_pipe_dir_object *pdo);
extern void rpc_remove_pipe_dir_object(struct net *net,
		struct rpc_pipe_dir_head *pdh,
		struct rpc_pipe_dir_object *pdo);
extern struct rpc_pipe_dir_object *rpc_find_or_alloc_pipe_dir_object(
		struct net *net,
		struct rpc_pipe_dir_head *pdh,
		int (*match)(struct rpc_pipe_dir_object *, void *),
		struct rpc_pipe_dir_object *(*alloc)(void *),
		void *data);

struct cache_detail;
extern struct dentry *rpc_create_cache_dir(struct dentry *,
					   const char *,
					   umode_t umode,
					   struct cache_detail *);
extern void rpc_remove_cache_dir(struct dentry *);

struct rpc_pipe *rpc_mkpipe_data(const struct rpc_pipe_ops *ops, int flags);
void rpc_destroy_pipe_data(struct rpc_pipe *pipe);
extern struct dentry *rpc_mkpipe_dentry(struct dentry *, const char *, void *,
					struct rpc_pipe *);
extern int rpc_unlink(struct dentry *);
extern int register_rpc_pipefs(void);
extern void unregister_rpc_pipefs(void);

extern bool gssd_running(struct net *net);

#endif

Name	Size	Permission
addr.h	5063 bytes	0644
auth.h	6261 bytes	0644
auth_gss.h	2369 bytes	0644
bc_xprt.h	2879 bytes	0644
cache.h	9178 bytes	0644
clnt.h	9236 bytes	0644
debug.h	2829 bytes	0644
gss_api.h	4560 bytes	0644
gss_asn1.h	3188 bytes	0644
gss_err.h	6025 bytes	0644
gss_krb5.h	6473 bytes	0644
metrics.h	3771 bytes	0644
msg_prot.h	6364 bytes	0644
rdma_rn.h	709 bytes	0644
rpc_pipe_fs.h	3947 bytes	0644
rpc_rdma.h	6219 bytes	0644
rpc_rdma_cid.h	622 bytes	0644
sched.h	10303 bytes	0644
stats.h	1947 bytes	0644
svc.h	19262 bytes	0644
svc_rdma.h	10631 bytes	0644
svc_rdma_pcl.h	3208 bytes	0644
svc_xprt.h	7692 bytes	0644
svcauth.h	6108 bytes	0644
svcauth_gss.h	782 bytes	0644
svcsock.h	2069 bytes	0644
timer.h	1172 bytes	0644
types.h	497 bytes	0644
xdr.h	22883 bytes	0644
xprt.h	16750 bytes	0644
xprtmultipath.h	2466 bytes	0644
xprtrdma.h	3023 bytes	0644
xprtsock.h	1895 bytes	0644

File Content: rpc_pipe_fs.h

File Content: `rpc_pipe_fs.h`