diff mbox series

[v3,9/9] core/pldm/test : Retrieve the BMC information with the FRU PLDM message

Message ID 20220518074304.42497-10-abhishek@linux.ibm.com
State New
Headers show
Series Implement PLDM self test | expand

Commit Message

Abhishek Singh Tomar May 18, 2022, 7:43 a.m. UTC
This patch test PLDM command PLDM_GET_FRU_RECORD_BY_OPTION
codeflow by retrieving BMC version information

Signed-off-by: Abhishek Singh Tomar <abhishek@linux.ibm.com>
---
 core/pldm/test/test-pldm-fru.c | 144 +++++++++++++++++++++++++++++++--
 1 file changed, 139 insertions(+), 5 deletions(-)
diff mbox series

Patch

diff --git a/core/pldm/test/test-pldm-fru.c b/core/pldm/test/test-pldm-fru.c
index 2893248e..56cf59e5 100644
--- a/core/pldm/test/test-pldm-fru.c
+++ b/core/pldm/test/test-pldm-fru.c
@@ -10,6 +10,10 @@  bool get_fru_record_table_in_progress;
 int pldm_test_verify_response(void *response_msg, size_t response_len);
 int pldm_test_verify_response_fru(void *response_msg, size_t response_len);
 int test_fru_table_metadata_request(void);
+int pldm_test_reply_request_fru(void *request_msg, size_t request_len,
+		void **response_msg, size_t *response_len);
+int pldm_test_generate_reply_field_type_version(uint8_t record_type, uint8_t field_type,
+		uint8_t **fru_table, size_t *fru_table_size);
 
 
 /*
@@ -94,7 +98,69 @@  int pldm_test_verify_response_fru(void *response_msg, size_t response_len)
 
 
 }
+int pldm_test_reply_request_fru(void *request_msg, size_t request_len,
+		void **response_msg, size_t *response_len)
+{
+	int  rc, payload_len = 0;
+	uint32_t transfer_handle;
+	uint16_t fru_table_handle;
+	uint16_t record_set_identifier;
+	uint8_t record_type;
+	uint8_t field_type;
+	uint8_t transfer_op_flag;
+	uint8_t *fru_ds;
+	size_t fru_ds_size;
+
+	/* Check PLDM command and reply with appropriate reply */
+	switch (((struct pldm_msg *)request_msg)->hdr.command) {
+	case PLDM_GET_FRU_RECORD_BY_OPTION:
+		payload_len = request_len - sizeof(struct pldm_msg_hdr);
+		rc = decode_get_fru_record_by_option_req(request_msg, payload_len,
+				&transfer_handle, &fru_table_handle, &record_set_identifier,
+				&record_type, &field_type, &transfer_op_flag);
+		if (rc != PLDM_SUCCESS)
+			return OPAL_PARAMETER;
 
+		/*
+		 * Test if field type and record type is as expected i.e.
+		 * field type = PLDM_FRU_FIELD_TYPE_VERSION and
+		 * record_type == PLDM_FRU_RECORD_TYPE_GENERAL
+		 * else return error
+		 */
+		if (field_type == PLDM_FRU_FIELD_TYPE_VERSION &&
+				record_type == PLDM_FRU_RECORD_TYPE_GENERAL) {
+
+			/*
+			 * generate the fru data structure to reply request
+			 * on behalf on BMC for PLDM self test
+			 */
+			rc = pldm_test_generate_reply_field_type_version(
+					PLDM_FRU_RECORD_TYPE_GENERAL,
+					PLDM_FRU_FIELD_TYPE_VERSION, &fru_ds, &fru_ds_size);
+			if (rc != OPAL_SUCCESS)
+				return rc;
+
+			payload_len = fru_ds_size +
+				sizeof(struct pldm_get_fru_record_by_option_resp) - 1;
+			*response_len = sizeof(struct pldm_msg_hdr) + payload_len;
+			*response_msg = malloc(*response_len);
+
+			rc = encode_get_fru_record_by_option_resp(
+					((struct pldm_msg *)request_msg)->hdr.instance_id,
+					PLDM_SUCCESS, PLDM_GET_NEXTPART, PLDM_START_AND_END,
+					fru_ds, fru_ds_size, *response_msg, payload_len);
+			if (rc != PLDM_SUCCESS)
+				return rc;
+			free(fru_ds);
+			return OPAL_SUCCESS;
+		} else
+			return OPAL_PARAMETER;
+		break;
+	default:
+		return PLDM_ERROR_INVALID_DATA;
+
+	}
+}
 
 /*
  * This function duplicates BMC functionality for Pldm self test
@@ -104,12 +170,15 @@  int pldm_test_verify_response_fru(void *response_msg, size_t response_len)
 int pldm_test_reply_request(void *request_msg, size_t request_len,
 		void **response_msg, size_t *response_len)
 {
-	if (request_msg != NULL && response_msg != NULL) {
-		(void)request_len;
-		(void)*response_len;
+	switch (((struct pldm_msg *)request_msg)->hdr.type) {
+	case PLDM_FRU:
+		return pldm_test_reply_request_fru(request_msg, request_len,
+				response_msg, response_len);
+	default:
+		printf("PLDM_TEST Failed : hdr type %d not expected\n",
+				((struct pldm_msg *)request_msg)->hdr.type);
+		return OPAL_PARAMETER;
 	}
-	return OPAL_PARAMETER;
-
 }
 
 /*
@@ -156,12 +225,64 @@  int test_fru_table_metadata_request(void)
 
 }
 
+/*
+ * This function duplicates BMC functionality for Pldm self test
+ * It generate reply for PLDM_GET_FRU_RECORD_BY_OPTION for self test.
+ * It generates fru Dta structure with BMC version tlv
+ */
+int pldm_test_generate_reply_field_type_version(uint8_t record_type, uint8_t field_type,
+		uint8_t **fru_table, size_t *fru_table_size)
+{
+	struct pldm_fru_record_tlv *tlv;
+	int tlv_size, rc;
+	size_t curr_size = 0;
+	size_t  pad_bytes = 0;
+	uint32_t checksum;
+
+	if (field_type == PLDM_FRU_FIELD_TYPE_VERSION &&
+			record_type == PLDM_FRU_RECORD_TYPE_GENERAL) {
+
+		tlv_size = sizeof(struct pldm_fru_record_tlv) + strlen(TEST_BMC_VERSION) - 1;
+		tlv = malloc(tlv_size);
+		tlv->type = PLDM_FRU_FIELD_TYPE_VERSION;
+		tlv->length = strlen(TEST_BMC_VERSION);
+		memcpy(tlv->value, TEST_BMC_VERSION, tlv->length);
+
+		*fru_table_size = sizeof(struct pldm_fru_record_data_format) + tlv->length - 1;
+		/* Culculate pad bytes in fru */
+		if (*fru_table_size % 4)
+			pad_bytes = 4 - (*fru_table_size % 4);
+		else
+			pad_bytes = 0;
+
+		*fru_table = malloc(*fru_table_size + pad_bytes + sizeof(uint32_t));
+		rc = encode_fru_record(*fru_table, *fru_table_size, &curr_size, 0,
+				PLDM_FRU_RECORD_TYPE_GENERAL, 1, 1, (uint8_t *)tlv, tlv_size);
+		if (rc != PLDM_SUCCESS)
+			return OPAL_PARAMETER;
+		*fru_table_size += pad_bytes + sizeof(uint32_t);
+
+		/* Pad with 0 */
+		memset(*fru_table + curr_size, 0, pad_bytes);
+
+		checksum = htole32(pldm_crc32(*fru_table, *fru_table_size - sizeof(uint32_t)));
+		memcpy(*fru_table + curr_size + pad_bytes, (void *)&checksum, sizeof(uint32_t));
+		free(tlv);
+	} else
+		return OPAL_PARAMETER;
+
+	return OPAL_SUCCESS;
+}
+
+
+
 
 int main(void)
 {
 	int rc;
 	void *fru_record_table;
 	uint32_t fru_record_table_size;
+	struct variable_field fru_structure_data;
 
 	/*
 	 * Get fru table when fru table not created
@@ -188,6 +309,19 @@  int main(void)
 		return rc;
 	}
 
+
+	/* retrieve the bmc information with
+	 * "FRU Field Type": Version
+	 * "FRU Record Set Identifier": 1,
+	 * "FRU Record Type": "General(1)"
+	 */
+	rc = pldm_fru_get_record_by_option(0, 1, PLDM_FRU_RECORD_TYPE_GENERAL,
+			PLDM_FRU_FIELD_TYPE_VERSION, &fru_structure_data);
+	if (rc != OPAL_SUCCESS) {
+		printf("PLDM_TEST Failed : pldm_fru_get_record_by_option return=%d\n", rc);
+		return rc;
+	}
+
 	return OPAL_SUCCESS;
 }