blob: dc8ad6b6f5acfcf3f42c0d997179a729924d4a2f [file] [log] [blame]
#include "file_io.h"
#include <endian.h>
#include <string.h>
int decode_rw_file_memory_req(const struct pldm_msg *msg, size_t payload_length,
uint32_t *file_handle, uint32_t *offset,
uint32_t *length, uint64_t *address)
{
if (msg == NULL || file_handle == NULL || offset == NULL ||
length == NULL || address == NULL) {
return PLDM_ERROR_INVALID_DATA;
}
if (payload_length != PLDM_RW_FILE_MEM_REQ_BYTES) {
return PLDM_ERROR_INVALID_LENGTH;
}
struct pldm_read_write_file_memory_req *request =
(struct pldm_read_write_file_memory_req *)msg->payload;
*file_handle = le32toh(request->file_handle);
*offset = le32toh(request->offset);
*length = le32toh(request->length);
*address = le64toh(request->address);
return PLDM_SUCCESS;
}
int encode_rw_file_memory_resp(uint8_t instance_id, uint8_t command,
uint8_t completion_code, uint32_t length,
struct pldm_msg *msg)
{
struct pldm_header_info header = {0};
int rc = PLDM_SUCCESS;
header.msg_type = PLDM_RESPONSE;
header.instance = instance_id;
header.pldm_type = PLDM_OEM;
header.command = command;
if ((rc = pack_pldm_header(&header, &(msg->hdr))) > PLDM_SUCCESS) {
return rc;
}
struct pldm_read_write_file_memory_resp *response =
(struct pldm_read_write_file_memory_resp *)msg->payload;
response->completion_code = completion_code;
if (response->completion_code == PLDM_SUCCESS) {
response->length = htole32(length);
}
return PLDM_SUCCESS;
}
int encode_rw_file_memory_req(uint8_t instance_id, uint8_t command,
uint32_t file_handle, uint32_t offset,
uint32_t length, uint64_t address,
struct pldm_msg *msg)
{
struct pldm_header_info header = {0};
int rc = PLDM_SUCCESS;
if (msg == NULL) {
return PLDM_ERROR_INVALID_DATA;
}
header.msg_type = PLDM_REQUEST;
header.instance = instance_id;
header.pldm_type = PLDM_OEM;
header.command = command;
if ((rc = pack_pldm_header(&header, &(msg->hdr))) > PLDM_SUCCESS) {
return rc;
}
struct pldm_read_write_file_memory_req *req =
(struct pldm_read_write_file_memory_req *)msg->payload;
req->file_handle = htole32(file_handle);
req->offset = htole32(offset);
req->length = htole32(length);
req->address = htole64(address);
return PLDM_SUCCESS;
}
int decode_rw_file_memory_resp(const struct pldm_msg *msg,
size_t payload_length, uint8_t *completion_code,
uint32_t *length)
{
if (msg == NULL || length == NULL || completion_code == NULL) {
return PLDM_ERROR_INVALID_DATA;
}
if (payload_length != PLDM_RW_FILE_MEM_RESP_BYTES) {
return PLDM_ERROR_INVALID_LENGTH;
}
struct pldm_read_write_file_memory_resp *response =
(struct pldm_read_write_file_memory_resp *)msg->payload;
*completion_code = response->completion_code;
if (*completion_code == PLDM_SUCCESS) {
*length = le32toh(response->length);
}
return PLDM_SUCCESS;
}
int decode_get_file_table_req(const struct pldm_msg *msg, size_t payload_length,
uint32_t *transfer_handle,
uint8_t *transfer_opflag, uint8_t *table_type)
{
if (msg == NULL || transfer_handle == NULL || transfer_opflag == NULL ||
table_type == NULL) {
return PLDM_ERROR_INVALID_DATA;
}
if (payload_length != PLDM_GET_FILE_TABLE_REQ_BYTES) {
return PLDM_ERROR_INVALID_LENGTH;
}
struct pldm_get_file_table_req *request =
(struct pldm_get_file_table_req *)msg->payload;
*transfer_handle = le32toh(request->transfer_handle);
*transfer_opflag = request->operation_flag;
*table_type = request->table_type;
return PLDM_SUCCESS;
}
int encode_get_file_table_resp(uint8_t instance_id, uint8_t completion_code,
uint32_t next_transfer_handle,
uint8_t transfer_flag, const uint8_t *table_data,
size_t table_size, struct pldm_msg *msg)
{
struct pldm_header_info header = {0};
int rc = PLDM_SUCCESS;
header.msg_type = PLDM_RESPONSE;
header.instance = instance_id;
header.pldm_type = PLDM_OEM;
header.command = PLDM_GET_FILE_TABLE;
if ((rc = pack_pldm_header(&header, &(msg->hdr))) > PLDM_SUCCESS) {
return rc;
}
struct pldm_get_file_table_resp *response =
(struct pldm_get_file_table_resp *)msg->payload;
response->completion_code = completion_code;
if (completion_code == PLDM_SUCCESS) {
response->next_transfer_handle = htole32(next_transfer_handle);
response->transfer_flag = transfer_flag;
memcpy(response->table_data, table_data, table_size);
}
return PLDM_SUCCESS;
}
int decode_read_file_req(const struct pldm_msg *msg, size_t payload_length,
uint32_t *file_handle, uint32_t *offset,
uint32_t *length)
{
if (msg == NULL || file_handle == NULL || offset == NULL ||
length == NULL) {
return PLDM_ERROR_INVALID_DATA;
}
if (payload_length != PLDM_READ_FILE_REQ_BYTES) {
return PLDM_ERROR_INVALID_LENGTH;
}
struct pldm_read_file_req *request =
(struct pldm_read_file_req *)msg->payload;
*file_handle = le32toh(request->file_handle);
*offset = le32toh(request->offset);
*length = le32toh(request->length);
return PLDM_SUCCESS;
}
int encode_read_file_req(uint8_t instance_id, uint32_t file_handle,
uint32_t offset, uint32_t length, struct pldm_msg *msg)
{
struct pldm_header_info header = {0};
int rc = PLDM_SUCCESS;
header.msg_type = PLDM_REQUEST;
header.instance = instance_id;
header.pldm_type = PLDM_OEM;
header.command = PLDM_READ_FILE;
if (msg == NULL) {
return PLDM_ERROR_INVALID_DATA;
}
if (length == 0) {
return PLDM_INVALID_READ_LENGTH;
}
if ((rc = pack_pldm_header(&header, &(msg->hdr))) > PLDM_SUCCESS) {
return rc;
}
struct pldm_read_file_req *request =
(struct pldm_read_file_req *)msg->payload;
request->file_handle = htole32(file_handle);
request->offset = htole32(offset);
request->length = htole32(length);
return PLDM_SUCCESS;
}
int decode_read_file_resp(const struct pldm_msg *msg, size_t payload_length,
uint8_t *completion_code, uint32_t *length,
size_t *file_data_offset)
{
if (msg == NULL || completion_code == NULL || length == NULL) {
return PLDM_ERROR_INVALID_DATA;
}
if (payload_length < PLDM_READ_FILE_RESP_BYTES) {
return PLDM_ERROR_INVALID_LENGTH;
}
struct pldm_read_file_resp *response =
(struct pldm_read_file_resp *)msg->payload;
*completion_code = response->completion_code;
if (*completion_code == PLDM_SUCCESS) {
*length = le32toh(response->length);
if (payload_length != PLDM_READ_FILE_RESP_BYTES + *length) {
return PLDM_ERROR_INVALID_LENGTH;
}
*file_data_offset = sizeof(*completion_code) + sizeof(*length);
}
return PLDM_SUCCESS;
}
int encode_read_file_resp(uint8_t instance_id, uint8_t completion_code,
uint32_t length, struct pldm_msg *msg)
{
struct pldm_header_info header = {0};
int rc = PLDM_SUCCESS;
header.msg_type = PLDM_RESPONSE;
header.instance = instance_id;
header.pldm_type = PLDM_OEM;
header.command = PLDM_READ_FILE;
if (msg == NULL) {
return PLDM_ERROR_INVALID_DATA;
}
if ((rc = pack_pldm_header(&header, &(msg->hdr))) > PLDM_SUCCESS) {
return rc;
}
struct pldm_read_file_resp *response =
(struct pldm_read_file_resp *)msg->payload;
response->completion_code = completion_code;
if (response->completion_code == PLDM_SUCCESS) {
response->length = htole32(length);
}
return PLDM_SUCCESS;
}
int decode_write_file_req(const struct pldm_msg *msg, size_t payload_length,
uint32_t *file_handle, uint32_t *offset,
uint32_t *length, size_t *file_data_offset)
{
if (msg == NULL || file_handle == NULL || length == NULL) {
return PLDM_ERROR_INVALID_DATA;
}
if (payload_length < PLDM_WRITE_FILE_REQ_BYTES) {
return PLDM_ERROR_INVALID_LENGTH;
}
struct pldm_write_file_req *request =
(struct pldm_write_file_req *)msg->payload;
*file_handle = le32toh(request->file_handle);
*offset = le32toh(request->offset);
*length = le32toh(request->length);
if (payload_length != PLDM_WRITE_FILE_REQ_BYTES + *length) {
return PLDM_ERROR_INVALID_LENGTH;
}
*file_data_offset =
sizeof(*file_handle) + sizeof(*offset) + sizeof(*length);
return PLDM_SUCCESS;
}
int encode_write_file_req(uint8_t instance_id, uint32_t file_handle,
uint32_t offset, uint32_t length,
struct pldm_msg *msg)
{
struct pldm_header_info header = {0};
int rc = PLDM_SUCCESS;
header.msg_type = PLDM_REQUEST;
header.instance = instance_id;
header.pldm_type = PLDM_OEM;
header.command = PLDM_WRITE_FILE;
if (msg == NULL) {
return PLDM_ERROR_INVALID_DATA;
}
if ((rc = pack_pldm_header(&header, &(msg->hdr))) > PLDM_SUCCESS) {
return rc;
}
if (length == 0) {
return PLDM_INVALID_WRITE_LENGTH;
}
struct pldm_write_file_req *request =
(struct pldm_write_file_req *)msg->payload;
request->file_handle = htole32(file_handle);
request->offset = htole32(offset);
request->length = htole32(length);
return PLDM_SUCCESS;
}
int decode_write_file_resp(const struct pldm_msg *msg, size_t payload_length,
uint8_t *completion_code, uint32_t *length)
{
if (msg == NULL || completion_code == NULL || length == NULL) {
return PLDM_ERROR_INVALID_DATA;
}
if (payload_length != PLDM_WRITE_FILE_RESP_BYTES) {
return PLDM_ERROR_INVALID_LENGTH;
}
struct pldm_write_file_resp *response =
(struct pldm_write_file_resp *)msg->payload;
*completion_code = le32toh(response->completion_code);
if (response->completion_code == PLDM_SUCCESS) {
*length = le32toh(response->length);
}
return PLDM_SUCCESS;
}
int encode_write_file_resp(uint8_t instance_id, uint8_t completion_code,
uint32_t length, struct pldm_msg *msg)
{
struct pldm_header_info header = {0};
int rc = PLDM_SUCCESS;
header.msg_type = PLDM_RESPONSE;
header.instance = instance_id;
header.pldm_type = PLDM_OEM;
header.command = PLDM_WRITE_FILE;
if (msg == NULL) {
return PLDM_ERROR_INVALID_DATA;
}
if ((rc = pack_pldm_header(&header, &(msg->hdr))) > PLDM_SUCCESS) {
return rc;
}
struct pldm_write_file_resp *response =
(struct pldm_write_file_resp *)msg->payload;
response->completion_code = completion_code;
if (response->completion_code == PLDM_SUCCESS) {
response->length = htole32(length);
}
return PLDM_SUCCESS;
}