Sampa Misra | 032bd50 | 2019-03-06 05:03:22 -0600 | [diff] [blame] | 1 | #ifndef BIOS_H |
| 2 | #define BIOS_H |
| 3 | |
| 4 | #ifdef __cplusplus |
| 5 | extern "C" { |
| 6 | #endif |
| 7 | |
| 8 | #include <asm/byteorder.h> |
| 9 | #include <stddef.h> |
| 10 | #include <stdint.h> |
| 11 | |
| 12 | #include "base.h" |
| 13 | |
| 14 | /* Response lengths are inclusive of completion code */ |
| 15 | #define PLDM_GET_DATE_TIME_RESP_BYTES 8 |
| 16 | |
Sampa Misra | b37be31 | 2019-07-03 02:26:41 -0500 | [diff] [blame] | 17 | #define PLDM_GET_BIOS_TABLE_REQ_BYTES 6 |
| 18 | #define PLDM_GET_BIOS_TABLE_MIN_RESP_BYTES 6 |
| 19 | |
| 20 | enum pldm_bios_completion_codes { |
| 21 | PLDM_BIOS_TABLE_UNAVAILABLE = 0x83, |
| 22 | PLDM_INVALID_BIOS_TABLE_DATA_INTEGRITY_CHECK = 0x84, |
| 23 | PLDM_INVALID_BIOS_TABLE_TYPE = 0x85, |
| 24 | }; |
| 25 | enum pldm_bios_commands { |
| 26 | PLDM_GET_BIOS_TABLE = 0x01, |
| 27 | PLDM_GET_DATE_TIME = 0x0c |
| 28 | }; |
Sampa Misra | 032bd50 | 2019-03-06 05:03:22 -0600 | [diff] [blame] | 29 | |
Deepak Kodihalli | cb7f2d4 | 2019-06-19 13:25:31 +0530 | [diff] [blame] | 30 | enum pldm_bios_table_types { |
| 31 | PLDM_BIOS_STRING_TABLE, |
| 32 | PLDM_BIOS_ATTR_TABLE, |
| 33 | PLDM_BIOS_ATTR_VAL_TABLE, |
| 34 | }; |
| 35 | |
| 36 | struct pldm_bios_string_table_entry { |
| 37 | uint16_t string_handle; |
| 38 | uint16_t string_length; |
| 39 | char name[1]; |
| 40 | } __attribute__((packed)); |
| 41 | |
| 42 | struct pldm_bios_attr_table_entry { |
| 43 | uint16_t attr_handle; |
| 44 | uint8_t attr_type; |
| 45 | uint16_t string_handle; |
| 46 | uint8_t metadata[1]; |
| 47 | } __attribute__((packed)); |
| 48 | |
| 49 | struct pldm_bios_enum_attr { |
| 50 | uint8_t num_possible_values; |
| 51 | uint16_t indices[1]; |
| 52 | } __attribute__((packed)); |
| 53 | |
| 54 | struct pldm_bios_attr_val_table_entry { |
| 55 | uint16_t attr_handle; |
| 56 | uint8_t attr_type; |
| 57 | uint8_t value[1]; |
| 58 | } __attribute__((packed)); |
| 59 | |
Sampa Misra | b37be31 | 2019-07-03 02:26:41 -0500 | [diff] [blame] | 60 | enum pldm_bios_attribute_type { |
| 61 | PLDM_BIOS_ENUMERATION = 0x0, |
| 62 | PLDM_BIOS_STRING = 0x1, |
| 63 | PLDM_BIOS_PASSWORD = 0x2, |
| 64 | PLDM_BIOS_INTEGER = 0x3, |
| 65 | PLDM_BIOS_ENUMERATION_READ_ONLY = 0x80, |
| 66 | PLDM_BIOS_STRING_READ_ONLY = 0x81, |
| 67 | PLDM_BIOS_PASSWORD_READ_ONLY = 0x82, |
| 68 | PLDM_BIOS_INTEGER_READ_ONLY = 0x83, |
| 69 | }; |
| 70 | |
| 71 | /** @struct pldm_get_bios_table_req |
| 72 | * |
| 73 | * structure representing GetBIOSTable request packet |
| 74 | */ |
| 75 | struct pldm_get_bios_table_req { |
| 76 | uint32_t transfer_handle; |
| 77 | uint8_t transfer_op_flag; |
| 78 | uint8_t table_type; |
| 79 | } __attribute__((packed)); |
| 80 | |
| 81 | /** @struct pldm_get_bios_table_resp |
| 82 | * |
| 83 | * structure representing GetBIOSTable response packet |
| 84 | */ |
| 85 | struct pldm_get_bios_table_resp { |
| 86 | uint8_t completion_code; |
| 87 | uint32_t next_transfer_handle; |
| 88 | uint8_t transfer_flag; |
| 89 | uint8_t table_data[1]; |
| 90 | } __attribute__((packed)); |
| 91 | |
Priyanga | 5dcd180 | 2019-06-10 01:50:39 -0500 | [diff] [blame] | 92 | /** @struct pldm_get_date_time_resp |
| 93 | * |
| 94 | * Structure representing PLDM get date time response |
| 95 | */ |
| 96 | struct pldm_get_date_time_resp { |
| 97 | uint8_t completion_code; //!< completion code |
| 98 | uint8_t seconds; //!< Seconds in BCD format |
| 99 | uint8_t minutes; //!< Minutes in BCD format |
| 100 | uint8_t hours; //!< Hours in BCD format |
| 101 | uint8_t day; //!< Day of the month in BCD format |
| 102 | uint8_t month; //!< Month in BCD format |
| 103 | uint16_t year; //!< Year in BCD format |
| 104 | } __attribute__((packed)); |
| 105 | |
Sampa Misra | 032bd50 | 2019-03-06 05:03:22 -0600 | [diff] [blame] | 106 | /* Requester */ |
| 107 | |
| 108 | /* GetDateTime */ |
| 109 | |
| 110 | /** @brief Create a PLDM request message for GetDateTime |
| 111 | * |
| 112 | * @param[in] instance_id - Message's instance id |
| 113 | * @param[out] msg - Message will be written to this |
| 114 | * @return pldm_completion_codes |
| 115 | * @note Caller is responsible for memory alloc and dealloc of param |
| 116 | * 'msg.body.payload' |
| 117 | */ |
| 118 | |
| 119 | int encode_get_date_time_req(uint8_t instance_id, struct pldm_msg *msg); |
| 120 | |
| 121 | /** @brief Decode a GetDateTime response message |
| 122 | * |
Zahed Hossain | 223a73d | 2019-07-04 12:46:18 -0500 | [diff] [blame] | 123 | * @param[in] msg - Response message |
vkaverap | a6575b8 | 2019-04-03 05:33:52 -0500 | [diff] [blame] | 124 | * @param[in] payload_length - Length of response message payload |
Sampa Misra | 032bd50 | 2019-03-06 05:03:22 -0600 | [diff] [blame] | 125 | * @param[out] completion_code - Pointer to response msg's PLDM completion code |
| 126 | * @param[out] seconds - Seconds in BCD format |
| 127 | * @param[out] minutes - minutes in BCD format |
| 128 | * @param[out] hours - hours in BCD format |
| 129 | * @param[out] day - day of month in BCD format |
| 130 | * @param[out] month - number of month in BCD format |
| 131 | * @param[out] year - year in BCD format |
| 132 | * @return pldm_completion_codes |
| 133 | */ |
Zahed Hossain | 223a73d | 2019-07-04 12:46:18 -0500 | [diff] [blame] | 134 | int decode_get_date_time_resp(const struct pldm_msg *msg, size_t payload_length, |
Sampa Misra | 032bd50 | 2019-03-06 05:03:22 -0600 | [diff] [blame] | 135 | uint8_t *completion_code, uint8_t *seconds, |
| 136 | uint8_t *minutes, uint8_t *hours, uint8_t *day, |
| 137 | uint8_t *month, uint16_t *year); |
| 138 | |
| 139 | /* Responder */ |
| 140 | |
| 141 | /* GetDateTime */ |
| 142 | |
| 143 | /** @brief Create a PLDM response message for GetDateTime |
| 144 | * |
| 145 | * @param[in] instance_id - Message's instance id |
| 146 | * @param[in] completion_code - PLDM completion code |
| 147 | * @param[in] seconds - seconds in BCD format |
| 148 | * @param[in] minutes - minutes in BCD format |
| 149 | * @param[in] hours - hours in BCD format |
| 150 | * @param[in] day - day of the month in BCD format |
| 151 | * @param[in] month - number of month in BCD format |
| 152 | * @param[in] year - year in BCD format |
| 153 | * @param[out] msg - Message will be written to this |
| 154 | * @return pldm_completion_codes |
| 155 | * @note Caller is responsible for memory alloc and dealloc of param |
| 156 | * 'msg.body.payload' |
| 157 | */ |
| 158 | |
| 159 | int encode_get_date_time_resp(uint8_t instance_id, uint8_t completion_code, |
| 160 | uint8_t seconds, uint8_t minutes, uint8_t hours, |
| 161 | uint8_t day, uint8_t month, uint16_t year, |
| 162 | struct pldm_msg *msg); |
| 163 | |
Sampa Misra | b37be31 | 2019-07-03 02:26:41 -0500 | [diff] [blame] | 164 | /* GetBIOSTable */ |
| 165 | |
| 166 | /** @brief Create a PLDM response message for GetBIOSTable |
| 167 | * |
| 168 | * @param[in] instance_id - Message's instance id |
| 169 | * @param[in] completion_code - PLDM completion code |
| 170 | * @param[in] next_transfer_handle - handle to identify the next portion of the |
| 171 | * transfer |
| 172 | * @param[in] transfer_flag - To indicate what part of the transfer this |
| 173 | * response represents |
| 174 | * @param[in] table_data - BIOS Table type specific data |
| 175 | * @param[in] payload_length - Length of payload message |
| 176 | * @param[out] msg - Message will be written to this |
| 177 | * @return pldm_completion_codes |
| 178 | */ |
| 179 | int encode_get_bios_table_resp(uint8_t instance_id, uint8_t completion_code, |
| 180 | uint32_t next_transfer_handle, |
| 181 | uint8_t transfer_flag, uint8_t *table_data, |
| 182 | size_t payload_length, struct pldm_msg *msg); |
| 183 | |
| 184 | /** @brief Decode GetBIOSTable request packet |
| 185 | * |
| 186 | * @param[in] msg - Request message |
| 187 | * @param[in] payload_length - Length of request message payload |
| 188 | * @param[out] transfer_handle - Handle to identify a BIOS table transfer |
| 189 | * @param[out] transfer_op_flag - Flag to indicate the start of a multipart |
| 190 | * transfer |
| 191 | * @param[out] table_type - BIOS table type |
| 192 | * @return pldm_completion_codes |
| 193 | */ |
| 194 | int decode_get_bios_table_req(const struct pldm_msg *msg, size_t payload_length, |
| 195 | uint32_t *transfer_handle, |
| 196 | uint8_t *transfer_op_flag, uint8_t *table_type); |
| 197 | |
Sampa Misra | 032bd50 | 2019-03-06 05:03:22 -0600 | [diff] [blame] | 198 | #ifdef __cplusplus |
| 199 | } |
| 200 | #endif |
| 201 | |
| 202 | #endif /* BIOS_H */ |