@@ -168,6 +168,132 @@ int pldm_file_io_read_file(uint32_t file_handle, uint32_t file_length,
return read_file_req(file_handle, file_length, buf, offset, size);
}
+/*
+ * Send/receive a PLDM WriteFile request message.
+ */
+static int write_file_req(uint32_t file_handle, const void *buf,
+ uint32_t offset, uint64_t size)
+{
+ void *response_msg, *current_ptr, *payload_data;
+ uint32_t total_write, resp_length, request_length;
+ size_t response_len, payload_len;
+ uint8_t completion_code;
+ struct pldm_tx_data *tx;
+ int num_transfers;
+ int rc, i;
+
+ struct pldm_write_file_req file_req = {
+ .file_handle = file_handle,
+ .offset = offset,
+ .length = size
+ };
+
+ if (!size)
+ return OPAL_PARAMETER;
+
+ if ((offset) && (offset > size))
+ return OPAL_PARAMETER;
+
+ /* init request */
+ request_length = sizeof(struct pldm_msg_hdr) +
+ sizeof(struct pldm_write_file_req) +
+ size;
+
+ tx = zalloc(sizeof(struct pldm_tx_data) + request_length);
+ if (!tx)
+ return OPAL_NO_MEM;
+ tx->data_size = request_length - 1;
+
+ payload_data = ((struct pldm_msg *)tx->data)->payload
+ + offsetof(struct pldm_write_file_req, file_data);
+
+ memcpy(payload_data, buf, size);
+ current_ptr = payload_data;
+ num_transfers = 1;
+ total_write = 0;
+
+ if (size > MAX_TRANSFER_SIZE_BYTES) {
+ num_transfers = (size + MAX_TRANSFER_SIZE_BYTES - 1) /
+ MAX_TRANSFER_SIZE_BYTES;
+ file_req.length = MAX_TRANSFER_SIZE_BYTES;
+ }
+
+ prlog(PR_TRACE, "%s - file_handle: %d, offset: 0x%x, size: 0x%x, num_transfers: %d\n",
+ __func__, file_handle, file_req.offset,
+ file_req.length, num_transfers);
+
+ for (i = 0; i < num_transfers; i++) {
+ file_req.offset = offset + (i * MAX_TRANSFER_SIZE_BYTES);
+
+ /* Encode the file request */
+ rc = encode_write_file_req(
+ DEFAULT_INSTANCE_ID,
+ file_req.file_handle,
+ file_req.offset,
+ file_req.length,
+ (struct pldm_msg *)tx->data);
+ if (rc != PLDM_SUCCESS) {
+ prlog(PR_ERR, "Encode WriteFileReq Error, rc: %d\n", rc);
+ free(tx);
+ return OPAL_PARAMETER;
+ }
+
+ /* Send and get the response message bytes */
+ rc = pldm_requester_queue_and_wait(
+ tx,
+ &response_msg, &response_len);
+ if (rc) {
+ prlog(PR_ERR, "Communication Error, req: WriteFileReq, rc: %d\n", rc);
+ free(tx);
+ return rc;
+ }
+
+ /* Decode the message */
+ payload_len = response_len - sizeof(struct pldm_msg_hdr);
+ rc = decode_write_file_resp(
+ response_msg,
+ payload_len,
+ &completion_code,
+ &resp_length);
+ if (rc != PLDM_SUCCESS || completion_code != PLDM_SUCCESS) {
+ prlog(PR_ERR, "Decode WriteFileResp Error, rc: %d, cc: %d\n",
+ rc, completion_code);
+ free(tx);
+ free(response_msg);
+ return OPAL_PARAMETER;
+ }
+
+ if (resp_length == 0) {
+ free(response_msg);
+ break;
+ }
+
+ total_write += resp_length;
+ current_ptr += resp_length;
+ free(response_msg);
+
+ if (total_write == size)
+ break;
+ else if (resp_length != file_req.length) {
+ /* end of file */
+ break;
+ } else if (MAX_TRANSFER_SIZE_BYTES > (size - total_write))
+ file_req.length = size - total_write;
+ }
+
+ free(tx);
+ return OPAL_SUCCESS;
+}
+
+int pldm_file_io_write_file(uint32_t file_handle, const void *buf,
+ uint32_t offset, uint64_t size)
+{
+ if (!file_io_ready)
+ return OPAL_PARAMETER;
+
+ return write_file_req(file_handle, buf, offset, size);
+}
+
/*
* Send/receive a PLDM GetFileTable request message.
* The file table contains the list of files available and
@@ -54,6 +54,8 @@ int pldm_responder_init(void);
/* Requester support */
int pldm_file_io_read_file(uint32_t file_handle, uint32_t file_length,
void *buf, uint32_t offset, uint64_t size);
+int pldm_file_io_write_file(uint32_t file_handle, const void *buf,
+ uint32_t offset, uint64_t size);
int pldm_file_io_init(void);
int pldm_fru_get_bmc_version(void *bv, int len);