gokulsanker | 138ceba | 2021-04-05 13:25:25 +0530 | [diff] [blame] | 1 | #include "firmware_update.h"
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gokulsanker | eca3e19 | 2021-04-05 14:57:41 +0530 | [diff] [blame] | 2 | #include <endian.h>
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gokulsanker | 138ceba | 2021-04-05 13:25:25 +0530 | [diff] [blame] | 3 |
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| 4 | int encode_query_device_identifiers_req(uint8_t instance_id,
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| 5 | size_t payload_length,
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| 6 | struct pldm_msg *msg)
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| 7 | {
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| 8 | if (msg == NULL) {
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| 9 | return PLDM_ERROR_INVALID_DATA;
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| 10 | }
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| 11 |
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| 12 | if (payload_length != PLDM_QUERY_DEVICE_IDENTIFIERS_REQ_BYTES) {
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| 13 | return PLDM_ERROR_INVALID_LENGTH;
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| 14 | }
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| 15 |
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| 16 | return encode_pldm_header_only(PLDM_REQUEST, instance_id, PLDM_FWUP,
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| 17 | PLDM_QUERY_DEVICE_IDENTIFIERS, msg);
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| 18 | }
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gokulsanker | eca3e19 | 2021-04-05 14:57:41 +0530 | [diff] [blame] | 19 |
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| 20 | int decode_query_device_identifiers_resp(const struct pldm_msg *msg,
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| 21 | size_t payload_length,
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| 22 | uint8_t *completion_code,
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| 23 | uint32_t *device_identifiers_len,
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| 24 | uint8_t *descriptor_count,
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| 25 | uint8_t **descriptor_data)
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| 26 | {
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| 27 | if (msg == NULL || completion_code == NULL ||
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| 28 | device_identifiers_len == NULL || descriptor_count == NULL ||
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| 29 | descriptor_data == NULL) {
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| 30 | return PLDM_ERROR_INVALID_DATA;
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| 31 | }
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| 32 |
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| 33 | *completion_code = msg->payload[0];
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| 34 | if (PLDM_SUCCESS != *completion_code) {
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| 35 | return PLDM_SUCCESS;
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| 36 | }
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| 37 |
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| 38 | if (payload_length <
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| 39 | sizeof(struct pldm_query_device_identifiers_resp)) {
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| 40 | return PLDM_ERROR_INVALID_LENGTH;
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| 41 | }
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| 42 |
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| 43 | struct pldm_query_device_identifiers_resp *response =
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| 44 | (struct pldm_query_device_identifiers_resp *)msg->payload;
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| 45 | *device_identifiers_len = le32toh(response->device_identifiers_len);
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| 46 |
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| 47 | if (*device_identifiers_len < PLDM_FWUP_DEVICE_DESCRIPTOR_MIN_LEN) {
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| 48 | return PLDM_ERROR_INVALID_LENGTH;
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| 49 | }
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| 50 |
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| 51 | if (payload_length !=
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| 52 | sizeof(struct pldm_query_device_identifiers_resp) +
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| 53 | *device_identifiers_len) {
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| 54 | return PLDM_ERROR_INVALID_LENGTH;
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| 55 | }
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| 56 | *descriptor_count = response->descriptor_count;
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| 57 |
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| 58 | if (*descriptor_count == 0) {
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| 59 | return PLDM_ERROR_INVALID_DATA;
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| 60 | }
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gokulsanker | eca3e19 | 2021-04-05 14:57:41 +0530 | [diff] [blame] | 61 | *descriptor_data =
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| 62 | (uint8_t *)(msg->payload +
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| 63 | sizeof(struct pldm_query_device_identifiers_resp));
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| 64 | return PLDM_SUCCESS;
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| 65 | }
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gokulsanker | 981fbfb | 2021-04-05 15:17:25 +0530 | [diff] [blame] | 66 |
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| 67 | int encode_get_firmware_parameters_req(uint8_t instance_id,
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| 68 | size_t payload_length,
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| 69 | struct pldm_msg *msg)
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| 70 | {
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| 71 | if (msg == NULL) {
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| 72 | return PLDM_ERROR_INVALID_DATA;
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| 73 | }
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| 74 |
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| 75 | if (payload_length != PLDM_GET_FIRMWARE_PARAMETERS_REQ_BYTES) {
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| 76 | return PLDM_ERROR_INVALID_LENGTH;
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| 77 | }
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| 78 |
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| 79 | return encode_pldm_header_only(PLDM_REQUEST, instance_id, PLDM_FWUP,
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| 80 | PLDM_GET_FIRMWARE_PARAMETERS, msg);
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| 81 | }
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gokulsanker | 22fbb34 | 2021-04-05 15:55:06 +0530 | [diff] [blame^] | 82 |
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| 83 | int decode_get_firmware_parameters_resp_comp_set_info(
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| 84 | const struct pldm_msg *msg, size_t payload_length,
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| 85 | struct pldm_get_firmware_parameters_resp *resp_data,
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| 86 | struct variable_field *active_comp_image_set_ver_str,
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| 87 | struct variable_field *pending_comp_image_set_ver_str)
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| 88 | {
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| 89 | if (msg == NULL || resp_data == NULL ||
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| 90 | active_comp_image_set_ver_str == NULL ||
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| 91 | pending_comp_image_set_ver_str == NULL) {
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| 92 |
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| 93 | return PLDM_ERROR_INVALID_DATA;
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| 94 | }
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| 95 |
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| 96 | if (payload_length < sizeof(struct pldm_get_firmware_parameters_resp)) {
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| 97 | return PLDM_ERROR_INVALID_LENGTH;
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| 98 | }
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| 99 |
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| 100 | struct pldm_get_firmware_parameters_resp *response =
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| 101 | (struct pldm_get_firmware_parameters_resp *)msg->payload;
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| 102 |
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| 103 | resp_data->completion_code = response->completion_code;
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| 104 |
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| 105 | if (PLDM_SUCCESS != resp_data->completion_code) {
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| 106 | return PLDM_SUCCESS;
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| 107 | }
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| 108 |
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| 109 | if (response->active_comp_image_set_ver_str_len == 0) {
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| 110 | return PLDM_ERROR_INVALID_DATA;
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| 111 | }
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| 112 |
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| 113 | size_t resp_len = sizeof(struct pldm_get_firmware_parameters_resp) +
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| 114 | response->active_comp_image_set_ver_str_len +
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| 115 | response->pending_comp_image_set_ver_str_len;
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| 116 |
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| 117 | if (payload_length != resp_len) {
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| 118 | return PLDM_ERROR_INVALID_LENGTH;
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| 119 | }
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| 120 |
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| 121 | resp_data->capabilities_during_update.value =
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| 122 | le32toh(response->capabilities_during_update.value);
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| 123 |
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| 124 | resp_data->comp_count = le16toh(response->comp_count);
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| 125 | if (resp_data->comp_count == 0) {
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| 126 | return PLDM_ERROR;
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| 127 | }
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| 128 |
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| 129 | resp_data->active_comp_image_set_ver_str_type =
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| 130 | response->active_comp_image_set_ver_str_type;
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| 131 | resp_data->active_comp_image_set_ver_str_len =
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| 132 | response->active_comp_image_set_ver_str_len;
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| 133 | resp_data->pending_comp_image_set_ver_str_type =
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| 134 | response->pending_comp_image_set_ver_str_type;
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| 135 | resp_data->pending_comp_image_set_ver_str_len =
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| 136 | response->pending_comp_image_set_ver_str_len;
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| 137 |
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| 138 | active_comp_image_set_ver_str->ptr =
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| 139 | msg->payload + sizeof(struct pldm_get_firmware_parameters_resp);
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| 140 | active_comp_image_set_ver_str->length =
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| 141 | resp_data->active_comp_image_set_ver_str_len;
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| 142 |
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| 143 | if (resp_data->pending_comp_image_set_ver_str_len != 0) {
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| 144 | pending_comp_image_set_ver_str->ptr =
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| 145 | msg->payload +
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| 146 | sizeof(struct pldm_get_firmware_parameters_resp) +
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| 147 | resp_data->active_comp_image_set_ver_str_len;
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| 148 | pending_comp_image_set_ver_str->length =
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| 149 | resp_data->pending_comp_image_set_ver_str_len;
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| 150 | } else {
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| 151 | pending_comp_image_set_ver_str->ptr = NULL;
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| 152 | pending_comp_image_set_ver_str->length = 0;
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| 153 | }
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| 154 |
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| 155 | return PLDM_SUCCESS;
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| 156 | }
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