96 lines
2.2 KiB
C
Executable File
96 lines
2.2 KiB
C
Executable File
#ifndef _H_IOT_MC_IPC
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#define _H_IOT_MC_IPC
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/* os shim includes */
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#include "os_types.h"
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#include "iot_utils.h"
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#ifdef __cplusplus
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extern "C" {
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#endif
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/* SW defined mail box credit number, should match with HW */
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#define IOT_IPC_MAIL_SLOT_MAX 8
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#define IOT_APPCPU_ID 0
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#define IOT_SECCPU_ID 1
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#define APP_CPU_POLL_SPEED 100000
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#define SEC_CPU_POLL_SPEED (APP_CPU_POLL_SPEED*10)
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typedef struct _iot_mc_ipc_msg
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{
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/* msg id mailed between cpus */
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uint32_t ipc_msg_id;
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/* pointer to msg args buffer */
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void* ipc_msg_arg;
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/* mail seq, useful to debug msg loss */
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uint32_t ipc_seq;
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/* send side time stamp, used for profiling */
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uint32_t ipc_mail_sender_tick;
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/* recev side time stamp, used for profiling */
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uint32_t ipc_mail_recver_tick;
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}iot_mc_ipc_msg_t;
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typedef struct _iot_mc_ipc_hw_status
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{
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uint32_t hw_send_free_credit : 8;
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uint32_t hw_send_slot_full1 : 1;
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uint32_t hw_recv_slot_avail : 8;
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uint32_t hw_recv_slot_empty : 1;
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uint32_t reserve : 14;
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}iot_mc_ipc_hw_status_t;
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typedef void (*iot_mc_ipc_recv_func_t)(uint32_t msg_id, void* msg_arg);
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#define POLL_MODE 0
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#define INTC_MODE 1
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typedef struct _iot_mc_ipc_mailbox
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{
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uint8_t ready;
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uint8_t cupid;
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uint8_t mode;
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/* send msg by mailbox, this variable indicate how many free */
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uint32_t ipc_fifo_credit;
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/* log of send histrory */
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uint8_t ipc_send_idx;
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iot_mc_ipc_msg_t send_mail[IOT_IPC_MAIL_SLOT_MAX];
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uint32_t ipc_send_seq;
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uint32_t ipc_fifo_recv_credit;
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/* log of recv history */
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uint8_t ipc_recv_idx;
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iot_mc_ipc_msg_t recv_mail[IOT_IPC_MAIL_SLOT_MAX];
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/* log last time hw status */
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iot_mc_ipc_hw_status_t ipc_hw_status;
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/* rece msg handler, registerd by caller */
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iot_mc_ipc_recv_func_t recv_callback;
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}iot_mc_ipc_mailbox_t;
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uint32_t iot_mc_ipc_init(iot_mc_ipc_recv_func_t callback, uint8_t cpuid, uint8_t mode);
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uint32_t iot_mc_ipc_deinit(void);
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uint32_t iot_mc_ipc_query_mailbox_freecredit(void);
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uint32_t iot_mc_ipc_query_mailbox_reccredit(void);
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uint32_t iot_mc_ipc_send_msg(uint32_t msg_id, void* msg_arg);
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uint32_t iot_mc_ipc_get_hw_stauts(void);
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#ifdef __cplusplus
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}
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#endif
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#endif |