diff options
Diffstat (limited to 'transport_mbox.h')
| -rw-r--r-- | transport_mbox.h | 48 |
1 files changed, 46 insertions, 2 deletions
diff --git a/transport_mbox.h b/transport_mbox.h index c9d494d..b55da5e 100644 --- a/transport_mbox.h +++ b/transport_mbox.h @@ -4,8 +4,52 @@ #ifndef MBOXD_MSG_H #define MBOXD_MSG_H -#include "common.h" -#include "mbox.h" +#include <stdint.h> + +struct mbox_context; + +/* Command Values */ +#define MBOX_C_RESET_STATE 0x01 +#define MBOX_C_GET_MBOX_INFO 0x02 +#define MBOX_C_GET_FLASH_INFO 0x03 +#define MBOX_C_READ_WINDOW 0x04 +#define MBOX_C_CLOSE_WINDOW 0x05 +#define MBOX_C_WRITE_WINDOW 0x06 +#define MBOX_C_WRITE_DIRTY 0x07 +#define MBOX_C_WRITE_FLUSH 0x08 +#define MBOX_C_ACK 0x09 +#define MBOX_C_WRITE_ERASE 0x0a +#define NUM_MBOX_CMDS MBOX_C_WRITE_ERASE + +/* Response Values */ +#define MBOX_R_SUCCESS 0x01 +#define MBOX_R_PARAM_ERROR 0x02 +#define MBOX_R_WRITE_ERROR 0x03 +#define MBOX_R_SYSTEM_ERROR 0x04 +#define MBOX_R_TIMEOUT 0x05 +#define MBOX_R_BUSY 0x06 +#define MBOX_R_WINDOW_ERROR 0x07 +#define MBOX_R_SEQ_ERROR 0x08 + +/* MBOX Registers */ +#define MBOX_HOST_PATH "/dev/aspeed-mbox" +#define MBOX_HOST_TIMEOUT_SEC 1 +#define MBOX_ARGS_BYTES 11 +#define MBOX_REG_BYTES 16 +#define MBOX_HOST_EVENT 14 +#define MBOX_BMC_EVENT 15 + +struct mbox_msg { + uint8_t command; + uint8_t seq; + uint8_t args[MBOX_ARGS_BYTES]; + uint8_t response; +}; + +union mbox_regs { + uint8_t raw[MBOX_REG_BYTES]; + struct mbox_msg msg; +}; int transport_mbox_dispatch(struct mbox_context *context); int transport_mbox_init(struct mbox_context *context); |
