xref: /openbmc/libpldm/src/oem/ibm/platform.c (revision 37dd6a3dd78f543e29557233e3a4db2f625b1325)
1 #include "libpldm/platform.h"
2 #include "libpldm/platform_oem_ibm.h"
3 #include <string.h>
4 
5 int encode_bios_attribute_update_event_req(uint8_t instance_id,
6 					   uint8_t format_version, uint8_t tid,
7 					   uint8_t num_handles,
8 					   const uint8_t *list_of_handles,
9 					   size_t payload_length,
10 					   struct pldm_msg *msg)
11 {
12 	if (format_version != 1) {
13 		return PLDM_ERROR_INVALID_DATA;
14 	}
15 
16 	if (msg == NULL || list_of_handles == NULL) {
17 		return PLDM_ERROR_INVALID_DATA;
18 	}
19 
20 	if (num_handles == 0) {
21 		return PLDM_ERROR_INVALID_DATA;
22 	}
23 
24 	if (payload_length !=
25 	    (PLDM_PLATFORM_EVENT_MESSAGE_MIN_REQ_BYTES + sizeof(num_handles) +
26 	     (num_handles * sizeof(uint16_t)))) {
27 		return PLDM_ERROR_INVALID_LENGTH;
28 	}
29 
30 	struct pldm_header_info header = { 0 };
31 	header.msg_type = PLDM_REQUEST;
32 	header.instance = instance_id;
33 	header.pldm_type = PLDM_PLATFORM;
34 	header.command = PLDM_PLATFORM_EVENT_MESSAGE;
35 	uint8_t rc = pack_pldm_header(&header, &(msg->hdr));
36 	if (rc != PLDM_SUCCESS) {
37 		return rc;
38 	}
39 
40 	struct pldm_bios_attribute_update_event_req *request =
41 		(struct pldm_bios_attribute_update_event_req *)msg->payload;
42 	request->format_version = format_version;
43 	request->tid = tid;
44 	request->event_class = PLDM_EVENT_TYPE_OEM_EVENT_BIOS_ATTRIBUTE_UPDATE;
45 	request->num_handles = num_handles;
46 	memcpy(request->bios_attribute_handles, list_of_handles,
47 	       num_handles * sizeof(uint16_t));
48 
49 	return PLDM_SUCCESS;
50 }
51