blob: 64ee68385f921b5e19fbc2eb2323d1dd7935a769 [file] [log] [blame]
#ifndef BIOS_H
#define BIOS_H
#ifdef __cplusplus
extern "C" {
#endif
#include <asm/byteorder.h>
#include <stddef.h>
#include <stdint.h>
#include "base.h"
#include "utils.h"
/* Response lengths are inclusive of completion code */
#define PLDM_GET_DATE_TIME_RESP_BYTES 8
#define PLDM_GET_BIOS_TABLE_REQ_BYTES 6
#define PLDM_GET_BIOS_TABLE_MIN_RESP_BYTES 6
#define PLDM_SET_BIOS_ATTR_CURR_VAL_MIN_REQ_BYTES 5
#define PLDM_SET_BIOS_ATTR_CURR_VAL_RESP_BYTES 5
#define PLDM_GET_BIOS_ATTR_CURR_VAL_BY_HANDLE_REQ_BYTES 7
#define PLDM_GET_BIOS_ATTR_CURR_VAL_BY_HANDLE_MIN_RESP_BYTES 6
enum pldm_bios_completion_codes {
PLDM_BIOS_TABLE_UNAVAILABLE = 0x83,
PLDM_INVALID_BIOS_TABLE_DATA_INTEGRITY_CHECK = 0x84,
PLDM_INVALID_BIOS_TABLE_TYPE = 0x85,
PLDM_INVALID_BIOS_ATTR_HANDLE = 0x88,
};
enum pldm_bios_commands {
PLDM_GET_BIOS_TABLE = 0x01,
PLDM_SET_BIOS_ATTRIBUTE_CURRENT_VALUE = 0x07,
PLDM_GET_BIOS_ATTRIBUTE_CURRENT_VALUE_BY_HANDLE = 0x08,
PLDM_GET_DATE_TIME = 0x0c,
PLDM_SET_DATE_TIME = 0x0d,
};
enum pldm_bios_table_types {
PLDM_BIOS_STRING_TABLE,
PLDM_BIOS_ATTR_TABLE,
PLDM_BIOS_ATTR_VAL_TABLE,
};
struct pldm_bios_string_table_entry {
uint16_t string_handle;
uint16_t string_length;
char name[1];
} __attribute__((packed));
struct pldm_bios_attr_table_entry {
uint16_t attr_handle;
uint8_t attr_type;
uint16_t string_handle;
uint8_t metadata[1];
} __attribute__((packed));
struct pldm_bios_enum_attr {
uint8_t num_possible_values;
uint16_t indices[1];
} __attribute__((packed));
struct pldm_bios_attr_val_table_entry {
uint16_t attr_handle;
uint8_t attr_type;
uint8_t value[1];
} __attribute__((packed));
enum pldm_bios_attribute_type {
PLDM_BIOS_ENUMERATION = 0x0,
PLDM_BIOS_STRING = 0x1,
PLDM_BIOS_PASSWORD = 0x2,
PLDM_BIOS_INTEGER = 0x3,
PLDM_BIOS_ENUMERATION_READ_ONLY = 0x80,
PLDM_BIOS_STRING_READ_ONLY = 0x81,
PLDM_BIOS_PASSWORD_READ_ONLY = 0x82,
PLDM_BIOS_INTEGER_READ_ONLY = 0x83,
};
/** @struct pldm_get_bios_table_req
*
* structure representing GetBIOSTable request packet
*/
struct pldm_get_bios_table_req {
uint32_t transfer_handle;
uint8_t transfer_op_flag;
uint8_t table_type;
} __attribute__((packed));
/** @struct pldm_get_bios_table_resp
*
* structure representing GetBIOSTable response packet
*/
struct pldm_get_bios_table_resp {
uint8_t completion_code;
uint32_t next_transfer_handle;
uint8_t transfer_flag;
uint8_t table_data[1];
} __attribute__((packed));
/** @struct pldm_get_date_time_resp
*
* Structure representing PLDM get date time response
*/
struct pldm_get_date_time_resp {
uint8_t completion_code; //!< completion code
uint8_t seconds; //!< Seconds in BCD format
uint8_t minutes; //!< Minutes in BCD format
uint8_t hours; //!< Hours in BCD format
uint8_t day; //!< Day of the month in BCD format
uint8_t month; //!< Month in BCD format
uint16_t year; //!< Year in BCD format
} __attribute__((packed));
/** @struct pldm_set_date_time_req
*
* structure representing SetDateTime request packet
*
*/
struct pldm_set_date_time_req {
uint8_t seconds; //!< Seconds in BCD format
uint8_t minutes; //!< Minutes in BCD format
uint8_t hours; //!< Hours in BCD format
uint8_t day; //!< Day of the month in BCD format
uint8_t month; //!< Month in BCD format
uint16_t year; //!< Year in BCD format
} __attribute__((packed));
/** @struct pldm_only_cc_resp
*
* Structure representing PLDM responses only have completion code
*/
struct pldm_only_cc_resp {
uint8_t completion_code;
} __attribute__((packed));
/** @struct pldm_get_bios_attribute_current_value_by_handle_req
*
* structure representing GetBIOSAttributeCurrentValueByHandle request packet
*/
struct pldm_get_bios_attribute_current_value_by_handle_req {
uint32_t transfer_handle;
uint8_t transfer_op_flag;
uint16_t attribute_handle;
} __attribute__((packed));
/** @struct pldm_get_bios_attribute_current_value_by_handle_resp
*
* structure representing GetBIOSAttributeCurrentValueByHandle response
*/
struct pldm_get_bios_attribute_current_value_by_handle_resp {
uint8_t completion_code;
uint32_t next_transfer_handle;
uint8_t transfer_flag;
uint8_t attribute_data[1];
} __attribute__((packed));
/** @struct pldm_set_bios_attribute_current_value_req
*
* structure representing SetBiosAttributeCurrentValue request packet
*
*/
struct pldm_set_bios_attribute_current_value_req {
uint32_t transfer_handle;
uint8_t transfer_flag;
uint8_t attribute_data[1];
} __attribute__((packed));
/** @struct pldm_set_bios_attribute_current_value_resp
*
* structure representing SetBiosCurrentValue response packet
*
*/
struct pldm_set_bios_attribute_current_value_resp {
uint8_t completion_code;
uint32_t next_transfer_handle;
} __attribute__((packed));
/* Requester */
/* GetDateTime */
/** @brief Create a PLDM request message for GetDateTime
*
* @param[in] instance_id - Message's instance id
* @param[out] msg - Message will be written to this
* @return pldm_completion_codes
* @note Caller is responsible for memory alloc and dealloc of param
* 'msg.body.payload'
*/
int encode_get_date_time_req(uint8_t instance_id, struct pldm_msg *msg);
/** @brief Decode a GetDateTime response message
*
* Note:
* * If the return value is not PLDM_SUCCESS, it represents a
* transport layer error.
* * If the completion_code value is not PLDM_SUCCESS, it represents a
* protocol layer error and all the out-parameters are invalid.
*
* @param[in] msg - Response message
* @param[in] payload_length - Length of response message payload
* @param[out] completion_code - Pointer to response msg's PLDM completion code
* @param[out] seconds - Seconds in BCD format
* @param[out] minutes - minutes in BCD format
* @param[out] hours - hours in BCD format
* @param[out] day - day of month in BCD format
* @param[out] month - number of month in BCD format
* @param[out] year - year in BCD format
* @return pldm_completion_codes
*/
int decode_get_date_time_resp(const struct pldm_msg *msg, size_t payload_length,
uint8_t *completion_code, uint8_t *seconds,
uint8_t *minutes, uint8_t *hours, uint8_t *day,
uint8_t *month, uint16_t *year);
/* SetBiosAttributeCurrentValue */
/** @brief Create a PLDM request message for SetBiosAttributeCurrentValue
*
* @param[in] instance_id - Message's instance id
* @param[in] transfer_handle - Handle to identify a BIOS table transfer
* @param[in] transfer_flag - Flag to indicate what part of the transfer
* this request represents
* @param[in] attribute_data - Contains current value of attribute
* @param[in] attribute_length - Length of attribute
* @param[out] msg - Message will be written to this
* @param[in] payload_length - Length of message payload
* @return pldm_completion_codes
* @note Caller is responsible for memory alloc and dealloc of params
* 'msg.payload'
*/
int encode_set_bios_attribute_current_value_req(
uint8_t instance_id, uint32_t transfer_handle, uint8_t transfer_flag,
const uint8_t *attribute_data, size_t attribute_length,
struct pldm_msg *msg, size_t payload_length);
/** @brief Decode a SetBiosAttributeCurrentValue response message
*
* Note:
* * If the return value is not PLDM_SUCCESS, it represents a
* transport layer error.
* * If the completion_code value is not PLDM_SUCCESS, it represents a
* protocol layer error and all the out-parameters are invalid.
*
* @param[in] msg - Response message
* @param[in] payload_length - Length of response message payload
* @param[out] completion_code - Pointer to response msg's PLDM completion code
* @param[out] next_transfer_handle - Pointer to a handle that identify the
* next portion of the transfer
* @return pldm_completion_codes
*/
int decode_set_bios_attribute_current_value_resp(
const struct pldm_msg *msg, size_t payload_length, uint8_t *completion_code,
uint32_t *next_transfer_handle);
/* Responder */
/* GetDateTime */
/** @brief Create a PLDM response message for GetDateTime
*
* @param[in] instance_id - Message's instance id
* @param[in] completion_code - PLDM completion code
* @param[in] seconds - seconds in BCD format
* @param[in] minutes - minutes in BCD format
* @param[in] hours - hours in BCD format
* @param[in] day - day of the month in BCD format
* @param[in] month - number of month in BCD format
* @param[in] year - year in BCD format
* @param[out] msg - Message will be written to this
* @return pldm_completion_codes
* @note Caller is responsible for memory alloc and dealloc of param
* 'msg.body.payload'
*/
int encode_get_date_time_resp(uint8_t instance_id, uint8_t completion_code,
uint8_t seconds, uint8_t minutes, uint8_t hours,
uint8_t day, uint8_t month, uint16_t year,
struct pldm_msg *msg);
/* GetBIOSTable */
/** @brief Create a PLDM response message for GetBIOSTable
*
* @param[in] instance_id - Message's instance id
* @param[in] completion_code - PLDM completion code
* @param[in] next_transfer_handle - handle to identify the next portion of the
* transfer
* @param[in] transfer_flag - To indicate what part of the transfer this
* response represents
* @param[in] table_data - BIOS Table type specific data
* @param[in] payload_length - Length of payload message
* @param[out] msg - Message will be written to this
* @return pldm_completion_codes
*/
int encode_get_bios_table_resp(uint8_t instance_id, uint8_t completion_code,
uint32_t next_transfer_handle,
uint8_t transfer_flag, uint8_t *table_data,
size_t payload_length, struct pldm_msg *msg);
/** @brief Encode GetBIOSTable request packet
*
* @param[in] instance_id - Message's instance id
* @param[in] transfer_handle - Handle to identify a BIOS table transfer
* @param[in] transfer_op_flag - Flag to indicate the start of a multipart
* transfer
* @param[in] table_type - BIOS table type
* @param[out] msg - Message will be written to this
* @return pldm_completion_codes
*/
int encode_get_bios_table_req(uint8_t instance_id, uint32_t transfer_handle,
uint8_t transfer_op_flag, uint8_t table_type,
struct pldm_msg *msg);
/** @brief Decode GetBIOSTable request packet
*
* @param[in] msg - Request message
* @param[in] payload_length - Length of request message payload
* @param[out] transfer_handle - Handle to identify a BIOS table transfer
* @param[out] transfer_op_flag - Flag to indicate the start of a multipart
* transfer
* @param[out] table_type - BIOS table type
* @return pldm_completion_codes
*/
int decode_get_bios_table_req(const struct pldm_msg *msg, size_t payload_length,
uint32_t *transfer_handle,
uint8_t *transfer_op_flag, uint8_t *table_type);
/** @brief Decode GetBIOSTable response packet
*
* @param[in] msg - Response message
* @param[in] payload_length - Length of response message payload
* @param[in] completion_code - PLDM completion code
* @param[in] next_transfer_handle - handle to identify the next portion of the
* transfer
* @param[in] transfer_flag - To indicate what part of the transfer this
* response represents
* @param[out] bios_table_offset - Offset where bios table data should be read
* in pldm msg
* @return pldm_completion_codes
*/
int decode_get_bios_table_resp(const struct pldm_msg *msg,
size_t payload_length, uint8_t *completion_code,
uint32_t *next_transfer_handle,
uint8_t *transfer_flag,
size_t *bios_table_offset);
/* GetBIOSAttributeCurrentValueByHandle */
/** @brief Decode GetBIOSAttributeCurrentValueByHandle request packet
*
* @param[in] msg - Request message
* @param[in] payload_length - Length of request message payload
* @param[out] transfer_handle - Handle to identify a BIOS table transfer
* @param[out] transfer_op_flag - Flag to indicate the start of a multipart
* transfer
* @param[out] attribute_handle - Handle to identify the BIOS attribute
* @return pldm_completion_codes
*/
int decode_get_bios_attribute_current_value_by_handle_req(
const struct pldm_msg *msg, size_t payload_length,
uint32_t *transfer_handle, uint8_t *transfer_op_flag,
uint16_t *attribute_handle);
/** @brief Create a PLDM response message for
* GetBIOSAttributeCurrentValueByHandle
*
* @param[in] instance_id - Message's instance id
* @param[in] completion_code - PLDM completion code
* @param[in] next_transfer_handle - handle to identify the next portion of the
* transfer
* @param[in] transfer_flag - To indicate what part of the transfer this
* response represents
* @param[in] attribute_data - contains current value of attribute
* @param[in] attribute_length - Length of attribute
* @param[out] msg - Message will be written to this
* @return pldm_completion_codes
*/
int encode_get_bios_current_value_by_handle_resp(
uint8_t instance_id, uint8_t completion_code, uint32_t next_transfer_handle,
uint8_t transfer_flag, const uint8_t *attribute_data,
size_t attribute_length, struct pldm_msg *msg);
/* SetBiosAttributeCurrentValue */
/** @brief Decode SetBIOSAttributeCurrentValue request packet
*
* @param[in] msg - Request message
* @param[in] payload_length - Length of request message payload
* @param[out] transfer_handle - Handle to identify a BIOS table transfer
* @param[out] transfer_flag - Flag to indicate what part of the transfer
* this request represents
* @param[out] attribute - Struct variable_field, contains a pointer to the
* attribute field in the buffer of \p msg, \p msg must
* be valid when \p attribute is used.
* @return pldm_completion_codes
*/
int decode_set_bios_attribute_current_value_req(
const struct pldm_msg *msg, size_t payload_length,
uint32_t *transfer_handle, uint8_t *transfer_flag,
struct variable_field *attribute);
/** @brief Create a PLDM response message for SetBiosAttributeCurrentValue
*
* @param[in] instance_id - Message's instance id
* @param[in] completion_code - PLDM completion code
* @param[in] next_transfer_handle - handle to identify the next portion of the
* @param[out] msg - Message will be written to this
*/
int encode_set_bios_attribute_current_value_resp(uint8_t instance_id,
uint8_t completion_code,
uint32_t next_transfer_handle,
struct pldm_msg *msg);
/** @brief Create a PLDM request message for SetDateTime
*
* @param[in] instance_id - Message's instance id
* @param[in] seconds - Seconds in decimal format. Value range 0~59
* @param[in] minutes - minutes in decimal format. Value range 0~59
* @param[in] hours - hours in decimal format. Value range 0~23
* @param[in] day - day of month in decimal format. Value range 1~31
* @param[in] month - number of month in decimal format. Value range 1~12
* @param[in] year - year in decimal format. Value range 1970~
* @param[out] msg - Message will be written to this
* @param[in] payload_length - Length of request message payload
* @return pldm_completion_codes
* @note Caller is responsible for memory alloc and dealloc of param
* 'msg.body.payload'
*/
int encode_set_date_time_req(uint8_t instance_id, uint8_t seconds,
uint8_t minutes, uint8_t hours, uint8_t day,
uint8_t month, uint16_t year, struct pldm_msg *msg,
size_t payload_length);
/** @brief Decode a SetDateTime request message
*
* @param[in] msg - Response message
* @param[in] payload_length - Length of request message payload
* @param[out] seconds - seconds in BCD format
* @param[out] minutes - minutes in BCD format
* @param[out] hours - hours in BCD format
* @param[out] day - day of the month in BCD format
* @param[out] month - number of month in BCD format
* @param[out] year - year in BCD format
* @return pldm_completion_codes
*/
int decode_set_date_time_req(const struct pldm_msg *msg, size_t payload_length,
uint8_t *seconds, uint8_t *minutes, uint8_t *hours,
uint8_t *day, uint8_t *month, uint16_t *year);
/** @brief Create a PLDM response message for SetDateTime
*
* @param[in] instance_id - Message's instance id
* @param[in] completion_code - PLDM completion code
* @param[out] msg - Message will be written to this
* @param[in] payload_length - Length of response message payload
* @return pldm_completion_codes
* @note Caller is responsible for memory alloc and dealloc of param
* 'msg.body.payload'
*/
int encode_set_date_time_resp(uint8_t instance_id, uint8_t completion_code,
struct pldm_msg *msg, size_t payload_length);
/** @brief Decode a SetDateTime response message
*
* Note:
* * If the return value is not PLDM_SUCCESS, it represents a
* transport layer error.
* * If the completion_code value is not PLDM_SUCCESS, it represents a
* protocol layer error and all the out-parameters are invalid.
*
* @param[in] msg - Response message
* @param[in] payload_length - Length of response message payload
* @param[out] completion_code - Pointer to response msg's PLDM completion code
* @return pldm_completion_codes
*/
int decode_set_date_time_resp(const struct pldm_msg *msg, size_t payload_length,
uint8_t *completion_code);
#ifdef __cplusplus
}
#endif
#endif /* BIOS_H */