/*
* Copyright (C) 2010 Google, Inc.
*
* Author:
* Dima Zavin <dima@android.com>
*
* This software is licensed under the terms of the GNU General Public
* License version 2, as published by the Free Software Foundation, and
* may be copied, distributed, and modified under those terms.
*
* 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.
*
*/
#ifndef __ARM_MACH_TEGRA_RPC_H
#define __ARM_MACH_TEGRA_RPC_H
#include <linux/list.h>
#include <linux/seq_file.h>
#include <linux/tegra_rpc.h>
struct trpc_endpoint;
struct trpc_ep_ops {
/* send is allowed to sleep */
int (*send)(struct trpc_endpoint *ep, void *buf, size_t len);
/* notify_recv is NOT allowed to sleep */
void (*notify_recv)(struct trpc_endpoint *ep);
/* close is allowed to sleep */
void (*close)(struct trpc_endpoint *ep);
/* not allowed to sleep, not allowed to call back into trpc */
void (*show)(struct seq_file *s, struct trpc_endpoint *ep);
};
enum {
TRPC_NODE_LOCAL,
TRPC_NODE_REMOTE,
};
struct trpc_node {
struct list_head list;
const char *name;
int type;
void *priv;
int (*try_connect)(struct trpc_node *node,
struct trpc_node *src,
struct trpc_endpoint *from);
};
struct trpc_endpoint *trpc_peer(struct trpc_endpoint *ep);
void *trpc_priv(struct trpc_endpoint *ep);
const char *trpc_name(struct trpc_endpoint *ep);
void trpc_put(struct trpc_endpoint *ep);
void trpc_get(struct trpc_endpoint *ep);
int trpc_send_msg(struct trpc_node *src, struct trpc_endpoint *ep, void *buf,
size_t len, gfp_t gfp_flags);
int trpc_recv_msg(struct trpc_node *src, struct trpc_endpoint *ep,
void *buf, size_t len, long timeout);
struct trpc_endpoint *trpc_create(struct trpc_node *owner, const char *name,
struct trpc_ep_ops *ops, void *priv);
struct trpc_endpoint *trpc_create_connect(struct trpc_node *src, char *name,
struct trpc_ep_ops *ops, void *priv,
long timeout);
int trpc_connect(struct trpc_endpoint *from, long timeout);
struct trpc_endpoint *trpc_create_peer(struct trpc_node *owner,
struct trpc_endpoint *ep,
struct trpc_ep_ops *ops,
void *priv);
void trpc_close(struct trpc_endpoint *ep);
int trpc_wait_peer(struct trpc_endpoint *ep, long timeout);
int trpc_node_register(struct trpc_node *node);
void trpc_node_unregister(struct trpc_node *node);
#endif
