Initial Contribution
msm-2.6.38: tag AU_LINUX_ANDROID_GINGERBREAD.02.03.04.00.142
Signed-off-by: Bryan Huntsman <bryanh@codeaurora.org>
diff --git a/arch/arm/mach-msm/ipc_router.h b/arch/arm/mach-msm/ipc_router.h
new file mode 100644
index 0000000..d058e9b
--- /dev/null
+++ b/arch/arm/mach-msm/ipc_router.h
@@ -0,0 +1,204 @@
+/* Copyright (c) 2011, Code Aurora Forum. All rights reserved.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 and
+ * only version 2 as published by the Free Software Foundation.
+ *
+ * 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 _ARCH_ARM_MACH_MSM_IPC_ROUTER_H
+#define _ARCH_ARM_MACH_MSM_IPC_ROUTER_H
+
+#include <linux/types.h>
+#include <linux/socket.h>
+#include <linux/errno.h>
+#include <linux/mm.h>
+#include <linux/list.h>
+#include <linux/cdev.h>
+#include <linux/platform_device.h>
+#include <linux/wakelock.h>
+#include <linux/msm_ipc.h>
+
+#include <net/sock.h>
+
+/* definitions for the R2R wire protcol */
+#define IPC_ROUTER_VERSION 1
+#define IPC_ROUTER_PROCESSORS_MAX 4
+
+#define IPC_ROUTER_CLIENT_BCAST_ID 0xffffffff
+#define IPC_ROUTER_ADDRESS 0xfffffffe
+
+#define IPC_ROUTER_NID_LOCAL 1
+#define IPC_ROUTER_NID_REMOTE 0
+
+#define IPC_ROUTER_CTRL_CMD_DATA 1
+#define IPC_ROUTER_CTRL_CMD_HELLO 2
+#define IPC_ROUTER_CTRL_CMD_BYE 3
+#define IPC_ROUTER_CTRL_CMD_NEW_SERVER 4
+#define IPC_ROUTER_CTRL_CMD_REMOVE_SERVER 5
+#define IPC_ROUTER_CTRL_CMD_REMOVE_CLIENT 6
+#define IPC_ROUTER_CTRL_CMD_RESUME_TX 7
+#define IPC_ROUTER_CTRL_CMD_EXIT 8
+#define IPC_ROUTER_CTRL_CMD_PING 9
+
+#define IPC_ROUTER_DEFAULT_RX_QUOTA 5
+
+#define IPC_ROUTER_XPRT_EVENT_DATA 1
+#define IPC_ROUTER_XPRT_EVENT_OPEN 2
+#define IPC_ROUTER_XPRT_EVENT_CLOSE 3
+
+#define NUM_NODES 2
+
+#define IPC_ROUTER_INFINITY -1
+#define DEFAULT_RCV_TIMEO IPC_ROUTER_INFINITY
+
+#define ALIGN_SIZE(x) ((4 - ((x) & 3)) & 3)
+
+enum {
+ MSM_IPC_ROUTER_READ_CB = 0,
+ MSM_IPC_ROUTER_WRITE_DONE,
+};
+
+union rr_control_msg {
+ uint32_t cmd;
+ struct {
+ uint32_t cmd;
+ uint32_t service;
+ uint32_t instance;
+ uint32_t node_id;
+ uint32_t port_id;
+ } srv;
+ struct {
+ uint32_t cmd;
+ uint32_t node_id;
+ uint32_t port_id;
+ } cli;
+};
+
+struct rr_header {
+ uint32_t version;
+ uint32_t type;
+ uint32_t src_node_id;
+ uint32_t src_port_id;
+ uint32_t confirm_rx;
+ uint32_t size;
+ uint32_t dst_node_id;
+ uint32_t dst_port_id;
+};
+
+#define IPC_ROUTER_HDR_SIZE sizeof(struct rr_header)
+#define MAX_IPC_PKT_SIZE 66000
+/* internals */
+
+#define IPC_ROUTER_MAX_REMOTE_SERVERS 100
+
+struct rr_packet {
+ struct list_head list;
+ struct sk_buff_head *pkt_fragment_q;
+ uint32_t length;
+};
+
+struct msm_ipc_port {
+ struct list_head list;
+
+ struct msm_ipc_port_addr this_port;
+ struct msm_ipc_port_name port_name;
+ uint32_t type;
+ unsigned flags;
+ spinlock_t port_lock;
+
+ struct list_head incomplete;
+ struct mutex incomplete_lock;
+
+ struct list_head port_rx_q;
+ struct mutex port_rx_q_lock;
+ struct wake_lock port_rx_wake_lock;
+ wait_queue_head_t port_rx_wait_q;
+
+ int restart_state;
+ spinlock_t restart_lock;
+ wait_queue_head_t restart_wait;
+
+ void *endpoint;
+ void (*notify)(unsigned event, void *data, void *addr, void *priv);
+
+ uint32_t num_tx;
+ uint32_t num_rx;
+ unsigned long num_tx_bytes;
+ unsigned long num_rx_bytes;
+ void *priv;
+};
+
+struct msm_ipc_sock {
+ struct sock sk;
+ struct msm_ipc_port *port;
+ void *modem_pil;
+};
+
+enum write_data_type {
+ HEADER = 1,
+ PACKMARK,
+ PAYLOAD,
+};
+
+struct msm_ipc_router_xprt {
+ char *name;
+ uint32_t link_id;
+ void *priv;
+
+ int (*read_avail)(void);
+ int (*read)(void *data, uint32_t len);
+ int (*write_avail)(void);
+ int (*write)(void *data, uint32_t len, enum write_data_type type);
+ int (*close)(void);
+};
+
+extern struct completion msm_ipc_remote_router_up;
+
+void msm_ipc_router_xprt_notify(struct msm_ipc_router_xprt *xprt,
+ unsigned event,
+ void *data);
+
+
+struct rr_packet *clone_pkt(struct rr_packet *pkt);
+void release_pkt(struct rr_packet *pkt);
+
+
+struct msm_ipc_port *msm_ipc_router_create_raw_port(void *endpoint,
+ void (*notify)(unsigned event, void *data,
+ void *addr, void *priv),
+ void *priv);
+int msm_ipc_router_send_to(struct msm_ipc_port *src,
+ struct sk_buff_head *data,
+ struct msm_ipc_addr *dest);
+int msm_ipc_router_read(struct msm_ipc_port *port_ptr,
+ struct sk_buff_head **data,
+ size_t buf_len);
+int msm_ipc_router_get_curr_pkt_size(struct msm_ipc_port *port_ptr);
+int msm_ipc_router_bind_control_port(struct msm_ipc_port *port_ptr);
+int msm_ipc_router_lookup_server_name(struct msm_ipc_port_name *srv_name,
+ struct msm_ipc_port_addr *port_addr,
+ int num_entries_in_array);
+int msm_ipc_router_close_port(struct msm_ipc_port *port_ptr);
+
+struct msm_ipc_port *msm_ipc_router_create_port(
+ void (*notify)(unsigned event, void *data,
+ void *addr, void *priv),
+ void *priv);
+int msm_ipc_router_recv_from(struct msm_ipc_port *port_ptr,
+ struct sk_buff_head **data,
+ struct msm_ipc_addr *src_addr,
+ unsigned long timeout);
+int msm_ipc_router_register_server(struct msm_ipc_port *server_port,
+ struct msm_ipc_addr *name);
+int msm_ipc_router_unregister_server(struct msm_ipc_port *server_port);
+
+
+int msm_ipc_router_init_sockets(void);
+void msm_ipc_router_exit_sockets(void);
+
+#endif