+++ /dev/null
-/** include/asm-arm/arch-msm/msm_rpcrouter.h
- *
- * Copyright (C) 2007 Google, Inc.
- * Copyright (c) 2007-2009 QUALCOMM Incorporated
- * Author: San Mehat <san@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 __ASM__ARCH_MSM_RPCROUTER_H
-#define __ASM__ARCH_MSM_RPCROUTER_H
-
-#include <linux/types.h>
-#include <linux/list.h>
-#include <linux/platform_device.h>
-
-#if CONFIG_MSM_AMSS_VERSION >= 6350
-/* RPC API version structure
- * Version bit 31 : 1->hashkey versioning,
- * 0->major-minor (backward compatible) versioning
- * hashkey versioning:
- * Version bits 31-0 hashkey
- * major-minor (backward compatible) versioning
- * Version bits 30-28 reserved (no match)
- * Version bits 27-16 major (must match)
- * Version bits 15-0 minor (greater or equal)
- */
-#define RPC_VERSION_MODE_MASK 0x80000000
-#define RPC_VERSION_MAJOR_MASK 0x0fff0000
-#define RPC_VERSION_MAJOR_OFFSET 16
-#define RPC_VERSION_MINOR_MASK 0x0000ffff
-
-#define MSM_RPC_VERS(major, minor) \
- ((uint32_t)((((major) << RPC_VERSION_MAJOR_OFFSET) & \
- RPC_VERSION_MAJOR_MASK) | \
- ((minor) & RPC_VERSION_MINOR_MASK)))
-#define MSM_RPC_GET_MAJOR(vers) (((vers) & RPC_VERSION_MAJOR_MASK) >> \
- RPC_VERSION_MAJOR_OFFSET)
-#define MSM_RPC_GET_MINOR(vers) ((vers) & RPC_VERSION_MINOR_MASK)
-#else
-#define MSM_RPC_VERS(major, minor) (major)
-#define MSM_RPC_GET_MAJOR(vers) (vers)
-#define MSM_RPC_GET_MINOR(vers) 0
-#endif
-
-struct msm_rpc_endpoint;
-
-struct rpcsvr_platform_device
-{
- struct platform_device base;
- uint32_t prog;
- uint32_t vers;
-};
-
-#define RPC_DATA_IN 0
-/*
- * Structures for sending / receiving direct RPC requests
- * XXX: Any cred/verif lengths > 0 not supported
- */
-
-struct rpc_request_hdr
-{
- uint32_t xid;
- uint32_t type; /* 0 */
- uint32_t rpc_vers; /* 2 */
- uint32_t prog;
- uint32_t vers;
- uint32_t procedure;
- uint32_t cred_flavor;
- uint32_t cred_length;
- uint32_t verf_flavor;
- uint32_t verf_length;
-};
-
-typedef struct
-{
- uint32_t low;
- uint32_t high;
-} rpc_reply_progmismatch_data;
-
-typedef struct
-{
-} rpc_denied_reply_hdr;
-
-typedef struct
-{
- uint32_t verf_flavor;
- uint32_t verf_length;
- uint32_t accept_stat;
-#define RPC_ACCEPTSTAT_SUCCESS 0
-#define RPC_ACCEPTSTAT_PROG_UNAVAIL 1
-#define RPC_ACCEPTSTAT_PROG_MISMATCH 2
-#define RPC_ACCEPTSTAT_PROC_UNAVAIL 3
-#define RPC_ACCEPTSTAT_GARBAGE_ARGS 4
-#define RPC_ACCEPTSTAT_SYSTEM_ERR 5
-#define RPC_ACCEPTSTAT_PROG_LOCKED 6
- /*
- * Following data is dependant on accept_stat
- * If ACCEPTSTAT == PROG_MISMATCH then there is a
- * 'rpc_reply_progmismatch_data' structure following the header.
- * Otherwise the data is procedure specific
- */
-} rpc_accepted_reply_hdr;
-
-struct rpc_reply_hdr
-{
- uint32_t xid;
- uint32_t type;
- uint32_t reply_stat;
-#define RPCMSG_REPLYSTAT_ACCEPTED 0
-#define RPCMSG_REPLYSTAT_DENIED 1
- union {
- rpc_accepted_reply_hdr acc_hdr;
- rpc_denied_reply_hdr dny_hdr;
- } data;
-};
-
-/* flags for msm_rpc_connect() */
-#define MSM_RPC_UNINTERRUPTIBLE 0x0001
-
-/* use IS_ERR() to check for failure */
-struct msm_rpc_endpoint *msm_rpc_open(void);
-/* Connect with the specified server version */
-struct msm_rpc_endpoint *msm_rpc_connect(uint32_t prog, uint32_t vers, unsigned flags);
-uint32_t msm_rpc_get_vers(struct msm_rpc_endpoint *ept);
-/* check if server version can handle client requested version */
-int msm_rpc_is_compatible_version(uint32_t server_version,
- uint32_t client_version);
-
-int msm_rpc_close(struct msm_rpc_endpoint *ept);
-int msm_rpc_write(struct msm_rpc_endpoint *ept,
- void *data, int len);
-int msm_rpc_read(struct msm_rpc_endpoint *ept,
- void **data, unsigned len, long timeout);
-void msm_rpc_setup_req(struct rpc_request_hdr *hdr,
- uint32_t prog, uint32_t vers, uint32_t proc);
-int msm_rpc_register_server(struct msm_rpc_endpoint *ept,
- uint32_t prog, uint32_t vers);
-int msm_rpc_unregister_server(struct msm_rpc_endpoint *ept,
- uint32_t prog, uint32_t vers);
-
-/* simple blocking rpc call
- *
- * request is mandatory and must have a rpc_request_hdr
- * at the start. The header will be filled out for you.
- *
- * reply provides a buffer for replies of reply_max_size
- */
-int msm_rpc_call_reply(struct msm_rpc_endpoint *ept, uint32_t proc,
- void *request, int request_size,
- void *reply, int reply_max_size,
- long timeout);
-int msm_rpc_call(struct msm_rpc_endpoint *ept, uint32_t proc,
- void *request, int request_size,
- long timeout);
-
-struct msm_rpc_server
-{
- struct list_head list;
- uint32_t flags;
-
- uint32_t prog;
- uint32_t vers;
-
- int (*rpc_call)(struct msm_rpc_server *server,
- struct rpc_request_hdr *req, unsigned len);
-};
-
-int msm_rpc_create_server(struct msm_rpc_server *server);
-
-#endif
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