diff options
Diffstat (limited to 'kernel/ethosu_core_interface.h')
| -rw-r--r-- | kernel/ethosu_core_interface.h | 41 |
1 files changed, 40 insertions, 1 deletions
diff --git a/kernel/ethosu_core_interface.h b/kernel/ethosu_core_interface.h index 86e10ac..a3a21e0 100644 --- a/kernel/ethosu_core_interface.h +++ b/kernel/ethosu_core_interface.h @@ -33,16 +33,24 @@ /** Maximum number of PMU counters to be returned for inference */ #define ETHOSU_CORE_PMU_MAX 4 +#define ETHOSU_CORE_MSG_MAGIC 0x41457631 +#define ETHOSU_CORE_MSG_VERSION_MAJOR 0 +#define ETHOSU_CORE_MSG_VERSION_MINOR 2 +#define ETHOSU_CORE_MSG_VERSION_PATCH 0 + /** * enum ethosu_core_msg_type - Message types * * Types for the messages sent between the host and the core subsystem. */ enum ethosu_core_msg_type { - ETHOSU_CORE_MSG_PING = 1, + ETHOSU_CORE_MSG_ERR = 1, + ETHOSU_CORE_MSG_PING, ETHOSU_CORE_MSG_PONG, ETHOSU_CORE_MSG_INFERENCE_REQ, ETHOSU_CORE_MSG_INFERENCE_RSP, + ETHOSU_CORE_MSG_VERSION_REQ, + ETHOSU_CORE_MSG_VERSION_RSP, ETHOSU_CORE_MSG_MAX }; @@ -50,6 +58,7 @@ enum ethosu_core_msg_type { * struct ethosu_core_msg - Message header */ struct ethosu_core_msg { + uint32_t magic; uint32_t type; uint32_t length; }; @@ -105,4 +114,34 @@ struct ethosu_core_inference_rsp { uint64_t pmu_cycle_counter_count; }; +/** + * struct ethosu_core_msg_verson - Message protocol version + */ +struct ethosu_core_msg_version { + uint8_t major; + uint8_t minor; + uint8_t patch; + uint8_t _reserved; +}; + +/** + * enum ethosu_core_msg_err_type - Error types + */ +enum ethosu_core_msg_err_type { + ETHOSU_CORE_MSG_ERR_GENERIC = 0, + ETHOSU_CORE_MSG_ERR_UNSUPPORTED_TYPE, + ETHOSU_CORE_MSG_ERR_INVALID_PAYLOAD, + ETHOSU_CORE_MSG_ERR_INVALID_SIZE, + ETHOSU_CORE_MSG_ERR_INVALID_MAGIC, + ETHOSU_CORE_MSG_ERR_MAX +}; + +/** + * struct ethosu_core_msg_err - Error message struct + */ +struct ethosu_core_msg_err { + uint32_t type; /* optional use of extra error code */ + char msg[128]; +}; + #endif |