@@ -9,7 +9,7 @@ CPPFLAGS += -I$(SRC)/pldm/include/libpldm/oem/ibm/
PLDM_OBJS = pldm-mctp.o pldm-responder.o pldm-requester.o
PLDM_OBJS += pldm-base-requests.o pldm-platform-requests.o
-PLDM_OBJS += pldm-bios-requests.o
+PLDM_OBJS += pldm-bios-requests.o pldm-fru-requests.o
PLDM = $(PLDM_DIR)/built-in.a
$(PLDM): $(PLDM_OBJS:%=$(PLDM_DIR)/%)
new file mode 100644
@@ -0,0 +1,147 @@
+// SPDX-License-Identifier: Apache-2.0 OR GPL-2.0-or-later
+// Copyright 2022 IBM Corp.
+
+#define pr_fmt(fmt) "PLDM: " fmt
+
+#include <cpu.h>
+#include <opal.h>
+#include <stdio.h>
+#include <string.h>
+#include <inttypes.h>
+#include <libpldm/fru.h>
+#include "pldm.h"
+
+static void *fru_record_table;
+static size_t fru_record_length;
+
+static bool fru_ready;
+
+static void fru_init_complete(bool success)
+{
+ /* Read not successful, error out and free the buffer */
+ if (!success) {
+ fru_ready = false;
+
+ if (fru_record_table != NULL) {
+ free(fru_record_table);
+ fru_record_length = 0;
+ }
+ return;
+ }
+
+ /* Mark ready */
+ fru_ready = true;
+}
+
+static int get_fru_record_table_req(void **record_table_data,
+ size_t *record_table_length)
+{
+ size_t data_size = PLDM_MSG_SIZE(struct pldm_get_fru_record_table_req);
+ uint8_t transfer_flag, completion_code;
+ size_t response_len, payload_len;
+ struct pldm_tx_data *tx = NULL;
+ uint32_t next_transfer_handle;
+ uint8_t *table_data;
+ size_t table_length;
+ void *response_msg;
+ int rc = OPAL_SUCCESS;
+
+ struct pldm_get_fru_record_table_req fru_record_table_req = {
+ .data_transfer_handle = 0, /* (0 if operation op is FIRSTPART) */
+ .transfer_operation_flag = PLDM_GET_FIRSTPART,
+ };
+ payload_len = sizeof(struct pldm_get_fru_record_table_req);
+
+ /* Encode the file table request */
+ tx = zalloc(sizeof(struct pldm_tx_data) + data_size);
+ if (!tx)
+ return OPAL_NO_MEM;
+ tx->data_size = data_size;
+
+ rc = encode_get_fru_record_table_req(
+ DEFAULT_INSTANCE_ID,
+ fru_record_table_req.data_transfer_handle,
+ fru_record_table_req.transfer_operation_flag,
+ (struct pldm_msg *)tx->data,
+ payload_len);
+ if (rc != PLDM_SUCCESS) {
+ prlog(PR_ERR, "Encode GetFruRecordTableReq 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: GetFruRecordTableReq, rc: %d\n", rc);
+ free(tx);
+ return rc;
+ }
+
+ /* Decode the message */
+ payload_len = response_len - sizeof(struct pldm_msg_hdr);
+ table_data = zalloc(payload_len);
+ if (!table_data) {
+ free(tx);
+ return OPAL_NO_MEM;
+ }
+
+ rc = decode_get_fru_record_table_resp(
+ response_msg,
+ payload_len,
+ &completion_code,
+ &next_transfer_handle,
+ &transfer_flag,
+ table_data,
+ &table_length);
+ if (rc != PLDM_SUCCESS || completion_code != PLDM_SUCCESS) {
+ prlog(PR_ERR, "Decode GetFruRecordTableReq Error, rc: %d, cc: %d\n",
+ rc, completion_code);
+ rc = OPAL_PARAMETER;
+ goto out;
+ }
+
+ /* we do not support multipart transfer */
+ if ((next_transfer_handle != PLDM_GET_NEXTPART) ||
+ (transfer_flag != PLDM_START_AND_END)) {
+ prlog(PR_ERR, "Transfert GetFruRecordTableReq not complete, "
+ "transfer_hndl: %d, transfer_flag: %d\n",
+ next_transfer_handle,
+ transfer_flag);
+ rc = OPAL_PARAMETER;
+ goto out;
+ }
+
+ *record_table_length = table_length;
+ *record_table_data = zalloc(table_length);
+ if (!record_table_data)
+ rc = OPAL_NO_MEM;
+ else
+ memcpy(*record_table_data, table_data, table_length);
+
+out:
+ free(tx);
+ free(table_data);
+ free(response_msg);
+ return rc;
+}
+
+int pldm_fru_init(void)
+{
+ int rc;
+
+ /* get fru record table */
+ rc = get_fru_record_table_req(&fru_record_table,
+ &fru_record_length);
+ if (rc)
+ goto err;
+
+ fru_init_complete(true);
+ prlog(PR_DEBUG, "%s - done\n", __func__);
+
+ return OPAL_SUCCESS;
+
+err:
+ fru_init_complete(false);
+ return rc;
+}
@@ -74,7 +74,7 @@ out:
int pldm_mctp_init(void)
{
- int nbr_elt = 6, rc = OPAL_SUCCESS;
+ int nbr_elt = 7, rc = OPAL_SUCCESS;
int (*pldm_config[])(void) = {
ast_mctp_init, /* MCTP Binding */
@@ -83,6 +83,7 @@ int pldm_mctp_init(void)
pldm_base_get_tid_req, /* Get BMC tid */
pldm_platform_init, /* Get PDRs data */
pldm_bios_init, /* Get Bios data */
+ pldm_fru_init, /* Get Fru data */
};
const char *pldm_config_error[] = {
@@ -92,6 +93,7 @@ int pldm_mctp_init(void)
"Failed to retrieve BMC Tid",
"Failed to retrieve Data Records",
"Failed to retrieve Bios data",
+ "Failed to retrieve Fru data",
};
prlog(PR_NOTICE, "%s - Getting PLDM data\n", __func__);
@@ -52,6 +52,8 @@ int pldm_responder_handle_request(struct pldm_rx_data *rx);
int pldm_responder_init(void);
/* Requester support */
+int pldm_fru_init(void);
+
int pldm_bios_find_lid_by_attr_name(const char *name, char **lid);
int pldm_bios_get_lids_id(char **lid_ids_string);
int pldm_bios_init(void);