diff options
Diffstat (limited to 'src/include/runtime')
| -rw-r--r-- | src/include/runtime/interface.h | 50 |
1 files changed, 50 insertions, 0 deletions
diff --git a/src/include/runtime/interface.h b/src/include/runtime/interface.h index 7f2062775..265ba2d0f 100644 --- a/src/include/runtime/interface.h +++ b/src/include/runtime/interface.h @@ -490,6 +490,56 @@ typedef struct hostInterfaces uint64_t i_scomData ); /** + * @brief Structure to be sent and received in the + * firmware_request call + * + */ + enum + { + HBRT_FW_MSG_TYPE_REQ_NOP = 0, + HBRT_FW_MSG_TYPE_RESP_NOP = 1, + HBRT_FW_MSG_TYPE_RESP_GENERIC = 2, + HBRT_FW_MSG_TYPE_REQ_HCODE_UPDATE = 3, + }; + + struct hbrt_fw_msg // define struct hbrt_fw_msg + { + hbrt_fw_msg() { req_hcode_update = { 0 }; }; // ctor + + uint64_t io_type; // message type from HBRT_FW_MSG_TYPE enum + union + { + // This struct is returned from skiboot with + // io_type set to HBRT_FW_MSG_TYPE_RESP_GENERIC or + // with HBRT_FW_MSG_TYPE_RESP_NOP + struct + { + uint64_t o_status; // return code for a generic response + } resp_generic; + + // This struct is sent from HBRT with + // io_type set to HBRT_FW_MSG_TYPE_REQ_HCODE_UPDATE + struct + { + uint64_t i_chipId; // processor chip ID plus ID type, + // always proc (0x0) + uint32_t i_section; // runtime section to update + // (passthru to pore_gen_scom) + uint32_t i_operation; // type of operation to perform + // (passthru to pore_gen_scom) + uint64_t i_scomAddr; // fully qualified scom address + uint64_t i_scomData; // data for operation + } req_hcode_update; + }; + }; + + // Created this enum to hold the base size of hbrt_fw_msg + // Can't do #define - sizeof not allowed to be used in #defines + // Can't do a constant, if you do, you will need to create + // an instance of this struct to get to it + enum { HBRT_FW_MSG_BASE_SIZE = sizeof(uint64_t) }; + + /** * @brief Send a request to firmware, and receive a response * @details * req_len bytes are sent to runtime firmware, and resp_len |
