#ifndef __PORT_IPC_H__
#define __PORT_IPC_H__

#include <linux/wait.h>
#include "ccci_core.h"

#define MAX_NUM_IPC_TASKS 10
#define CCCI_TASK_PENDING 0x01
#define IPC_MSGSVC_RVC_DONE 0x12344321
#define CCCI_IPC_MINOR_BASE 100

/* MD <-> AP Msg_id mapping enum */
typedef enum {
	IPC_L4C_MSG_ID_BEGIN = 0x80000000,
#if defined(IPC_L4C_MSG_ID_LEN)
	IPC_L4C_MSG_ID_RANGE = IPC_L4C_MSG_ID_LEN,
#else
	IPC_L4C_MSG_ID_RANGE = 0x80,
#endif
	IPC_EL1_MSG_ID_BEGIN = IPC_L4C_MSG_ID_BEGIN + IPC_L4C_MSG_ID_RANGE,
	IPC_EL1_MSG_ID_RANGE = 0x20,
	IPC_CCCIIPC_MSG_ID_BEGIN = IPC_L4C_MSG_ID_BEGIN + IPC_L4C_MSG_ID_RANGE + IPC_EL1_MSG_ID_RANGE,
	IPC_CCCIIPC_MSG_ID_RANGE = 0x10,
	IPC_IPCORE_MSG_ID_BEGIN = IPC_CCCIIPC_MSG_ID_BEGIN + IPC_CCCIIPC_MSG_ID_RANGE,
	IPC_IPCORE_MSG_ID_RANGE = 0x8,
} CCCI_IPC_MSG_ID_RANGE;

struct ccci_ipc_ctrl {
	unsigned char task_id;
	unsigned char md_is_ready;
	unsigned long flag;
	wait_queue_head_t tx_wq;
	wait_queue_head_t md_rdy_wq;
	struct ccci_port *port;
};

/* IPC MD/AP id map table */
struct ipc_task_id_map {
	u32 extq_id;		/* IPC universal mapping external queue */
	u32 task_id;		/* IPC processor internal task id */
};

typedef struct local_para {
	u8 ref_count;
	u8 _stub;		/* MD complier will align ref_count to 16bit */
	u16 msg_len;
	u8 data[0];
} __packed local_para_struct;

typedef struct peer_buff {
	u16 pdu_len;
	u8 ref_count;
	u8 pb_resvered;
	u16 free_header_space;
	u16 free_tail_space;
	u8 data[0];
} __packed peer_buff_struct;

typedef struct {
	u32 src_mod_id;
	u32 dest_mod_id;
	u32 sap_id;
	u32 msg_id;
	struct local_para *local_para_ptr;
	struct peer_buff *peer_buff_ptr;
} ipc_ilm_t;			/* for conn_md */

struct ccci_ipc_ilm {
	u32 src_mod_id;
	u32 dest_mod_id;
	u32 sap_id;
	u32 msg_id;
	u32 local_para_ptr;
	u32 peer_buff_ptr;
} __packed;	/* for MD */

struct garbage_filter_header {
	u32 filter_set_id;
	u32 filter_cnt;
	u32 uplink;
} __packed;

struct garbage_filter_item {
	u32 filter_id;
	u8 ip_type;
	u8 protocol;
	u16 dst_port;
	u32 magic_code;
} __packed;

typedef enum {
	GF_IPV4V6 = 0,
	GF_IPV4,
	GF_IPV6
} GF_IP_TYPE;

typedef enum {
	GF_TCP = 6,
	GF_UDP = 17
} GF_PROTOCOL_TYPE;

int port_ipc_init(struct ccci_port *port);
int port_ipc_req_match(struct ccci_port *port, struct ccci_request *req);
int port_ipc_tx_wait(struct ccci_port *port);
int port_ipc_rx_ack(struct ccci_port *port);
int port_ipc_ioctl(struct ccci_port *port, unsigned int cmd, unsigned long arg);
void port_ipc_md_state_notice(struct ccci_port *port, MD_STATE state);
int port_ipc_write_check_id(struct ccci_port *port, struct ccci_request *req);
unsigned int port_ipc_poll(struct file *fp, struct poll_table_struct *poll);
void port_ipc_kernel_read(struct ccci_port *port);

#endif				/* __PORT_IPC_H__ */