@@ -54,6 +54,122 @@ int pldm_platform_pdr_find_record(uint32_t record_handle,
return OPAL_SUCCESS;
}
+static int send_repository_changed_event(uint32_t num_changed_pdrs,
+ uint32_t *record_handle)
+{
+ size_t actual_change_records_size = 0;
+ uint8_t number_of_change_entries[1];
+ size_t max_change_records_size = 0;
+ size_t response_len, payload_len;
+ uint8_t event_data_operation[1];
+ uint32_t *change_entries[1];
+ uint8_t *event_data = NULL;
+ uint32_t request_length;
+ void *response_msg;
+ char *request_msg;
+ int rc, i;
+
+ struct pldm_platform_event_message_req event_message_req = {
+ .format_version = PLDM_PLATFORM_EVENT_MESSAGE_FORMAT_VERSION,
+ .tid = HOST_TID,
+ .event_class = PLDM_PDR_REPOSITORY_CHG_EVENT,
+ };
+
+ struct pldm_platform_event_message_resp response;
+
+ prlog(PR_DEBUG, "%s - num_changed_pdrs: %d, record_handle: %d\n",
+ __func__, num_changed_pdrs, *record_handle);
+
+ /* encode the platform change event data */
+ event_data_operation[0] = PLDM_RECORDS_ADDED;
+ number_of_change_entries[0] = num_changed_pdrs;
+ change_entries[0] = record_handle;
+
+ /*
+ * The first time around this loop, event_data is nullptr which
+ * instructs the encoder to not actually do the encoding, but
+ * rather fill out actual_change_records_size with the correct
+ * size, stop and return PLDM_SUCCESS. Then we allocate the
+ * proper amount of memory and call the encoder again, which
+ * will cause it to actually encode the message.
+ */
+ for (i = 0; i < 2; i++) {
+ rc = encode_pldm_pdr_repository_chg_event_data(
+ FORMAT_IS_PDR_HANDLES,
+ 1, /* only one change record (RECORDS_ADDED) */
+ event_data_operation,
+ number_of_change_entries,
+ (const uint32_t * const*)change_entries,
+ (struct pldm_pdr_repository_chg_event_data *)event_data,
+ &actual_change_records_size,
+ max_change_records_size);
+ if (rc) {
+ prlog(PR_ERR, "Encode PldmPdrRepositoryChgEventData Error, rc: %d\n", rc);
+ return OPAL_PARAMETER;
+ }
+
+ if (event_data == NULL) {
+ max_change_records_size = actual_change_records_size;
+ event_data = malloc(max_change_records_size);
+ }
+ }
+
+ /* Send the event request */
+ payload_len = PLDM_PLATFORM_EVENT_MESSAGE_MIN_REQ_BYTES + max_change_records_size;
+
+ request_length = sizeof(struct pldm_msg_hdr) +
+ sizeof(struct pldm_platform_event_message_req) +
+ max_change_records_size;
+ request_msg = malloc(request_length);
+
+ /* Encode the platform event message request */
+ rc = encode_platform_event_message_req(
+ DEFAULT_INSTANCE_ID,
+ event_message_req.format_version,
+ event_message_req.tid,
+ event_message_req.event_class,
+ (const uint8_t *)event_data,
+ max_change_records_size,
+ (struct pldm_msg *)request_msg,
+ payload_len);
+ if (rc != PLDM_SUCCESS) {
+ prlog(PR_ERR, "Encode PlatformEventMessage Error, rc: %d\n", rc);
+ free(event_data);
+ free(request_msg);
+ return OPAL_PARAMETER;
+ }
+ free(event_data);
+
+ /* Send and get the response message bytes */
+ rc = pldm_do_request(BMC_EID, request_msg, request_length - 1,
+ &response_msg, &response_len);
+ if (rc) {
+ prlog(PR_ERR, "Communication Error, req: PlatformEventMessage, rc: %d\n", rc);
+ free(request_msg);
+ return rc;
+ }
+ free(request_msg);
+
+ /* Decode the message */
+ payload_len = response_len - sizeof(struct pldm_msg_hdr);
+ rc = decode_platform_event_message_resp(
+ response_msg,
+ payload_len,
+ &response.completion_code,
+ &response.platform_event_status);
+ if (rc != PLDM_SUCCESS || response.completion_code != PLDM_SUCCESS) {
+ prlog(PR_ERR, "Decode PlatformEventMessage Error, rc: %d, cc: %d, pes: %d\n",
+ rc, response.completion_code,
+ response.platform_event_status);
+ free(response_msg);
+ return OPAL_PARAMETER;
+ }
+
+ free(response_msg);
+
+ return OPAL_SUCCESS;
+}
+
/*
* Search the matching record and return the effecter id.
* PDR type = PLDM_STATE_EFFECTER_PDR
Encode the platform PDR repository change event message request that tells the BMC that a specific PDR entry has changed. Signed-off-by: Christophe Lombard <clombard@linux.vnet.ibm.com> --- core/pldm/pldm-platform-requests.c | 116 +++++++++++++++++++++++++++++ 1 file changed, 116 insertions(+)