xref: /openbmc/libpldm/src/oem/ibm/platform.c (revision d9b70ba7)
1 /* SPDX-License-Identifier: Apache-2.0 OR GPL-2.0-or-later */
2 #include <libpldm/platform.h>
3 #include <libpldm/oem/ibm/platform.h>
4 
5 #include <string.h>
6 
7 LIBPLDM_ABI_STABLE
8 int encode_bios_attribute_update_event_req(uint8_t instance_id,
9 					   uint8_t format_version, uint8_t tid,
10 					   uint8_t num_handles,
11 					   const uint8_t *list_of_handles,
12 					   size_t payload_length,
13 					   struct pldm_msg *msg)
14 {
15 	if (format_version != 1) {
16 		return PLDM_ERROR_INVALID_DATA;
17 	}
18 
19 	if (msg == NULL || list_of_handles == NULL) {
20 		return PLDM_ERROR_INVALID_DATA;
21 	}
22 
23 	if (num_handles == 0) {
24 		return PLDM_ERROR_INVALID_DATA;
25 	}
26 
27 	if (payload_length !=
28 	    (PLDM_PLATFORM_EVENT_MESSAGE_MIN_REQ_BYTES + sizeof(num_handles) +
29 	     (num_handles * sizeof(uint16_t)))) {
30 		return PLDM_ERROR_INVALID_LENGTH;
31 	}
32 
33 	struct pldm_header_info header = { 0 };
34 	header.msg_type = PLDM_REQUEST;
35 	header.instance = instance_id;
36 	header.pldm_type = PLDM_PLATFORM;
37 	header.command = PLDM_PLATFORM_EVENT_MESSAGE;
38 	uint8_t rc = pack_pldm_header(&header, &(msg->hdr));
39 	if (rc != PLDM_SUCCESS) {
40 		return rc;
41 	}
42 
43 	struct pldm_bios_attribute_update_event_req *request =
44 		(struct pldm_bios_attribute_update_event_req *)msg->payload;
45 	request->format_version = format_version;
46 	request->tid = tid;
47 	request->event_class = PLDM_EVENT_TYPE_OEM_EVENT_BIOS_ATTRIBUTE_UPDATE;
48 	request->num_handles = num_handles;
49 	memcpy(request->bios_attribute_handles, list_of_handles,
50 	       num_handles * sizeof(uint16_t));
51 
52 	return PLDM_SUCCESS;
53 }
54