[Skiboot] [PATCH v3 4/9] core/pldm/test : Read file with PLDM file I/O message

[Abhishek Singh Tomar]

The patch contains a test for PLDM read request
implementation using PLDM command PLDM_READ_FILE

Signed-off-by: Abhishek Singh Tomar <abhishek at linux.ibm.com>
---
 core/pldm/test/test-pldm-fileio.c | 74 +++++++++++++++++++++++++++++++
 1 file changed, 74 insertions(+)

diff --git a/core/pldm/test/test-pldm-fileio.c b/core/pldm/test/test-pldm-fileio.c
index 924db86e..53a2f811 100644
--- a/core/pldm/test/test-pldm-fileio.c
+++ b/core/pldm/test/test-pldm-fileio.c
@@ -115,6 +115,7 @@ int pldm_test_reply_request_file_io(void *request_msg, size_t request_len,
 	uint8_t table_type;
 	uint8_t *file_attr_table;
 	uint32_t table_size;
+	struct pldm_read_file_resp *response;
 
 
 	/* check command received and reply with appropriate pldm response message */
@@ -195,6 +196,57 @@ int pldm_test_reply_request_file_io(void *request_msg, size_t request_len,
 			return OPAL_PARAMETER;
 
 		break;
+	case PLDM_READ_FILE:
+
+		payload_len = request_len - sizeof(struct pldm_msg_hdr);
+		rc = decode_read_file_req(request_msg, payload_len, &file_handle, &offset,
+				&length);
+
+		if (rc != PLDM_SUCCESS)
+			return OPAL_PARAMETER;
+
+
+		/*
+		 * TEST : if file handle received is same as that we send while making
+		 * call to pldm request (i.e. TEST_FILE_IO_HANDLE).
+		 * then PLDM message are transferred without any distortion in path.
+		 */
+		if (file_handle != TEST_FILE_IO_HANDLE) {
+			printf("PLDM_TEST : File Handle not matched");
+			return OPAL_PARAMETER;
+		}
+
+		/*
+		 * check if length + offset < TEST_FILE_IO_LENGTH
+		 * so required data length can be readed
+		 */
+		if (file_handle != TEST_FILE_IO_HANDLE ||
+				length + offset > TEST_FILE_IO_LENGTH) {
+			perror("TEST : length+offset Invalid");
+			return OPAL_PARAMETER;
+		}
+
+
+		*response_len = sizeof(struct pldm_msg_hdr) +
+			sizeof(struct pldm_read_file_resp) + length - 1;
+
+		*response_msg = malloc(*response_len);
+		if (*response_msg == NULL)
+			return OPAL_RESOURCE;
+
+
+		rc = encode_read_file_resp(((struct pldm_msg *)request_msg)->hdr.instance_id,
+				PLDM_SUCCESS, length, *response_msg);
+		if (rc != PLDM_SUCCESS)
+			return OPAL_PARAMETER;
+
+
+		response = (struct pldm_read_file_resp *)
+			((struct pldm_msg *)*response_msg)->payload;
+
+		/* Copy required buffer to end of PLDM response */
+		memcpy(response->file_data, pldm_file_io_buff + offset, length);
+		break;
 
 
 	default:
@@ -212,6 +264,7 @@ int pldm_test_reply_request_file_io(void *request_msg, size_t request_len,
 int main(void)
 {
 	size_t rc;
+	char buf_read[TEST_FILE_IO_LENGTH];
 	char buf_write[TEST_FILE_IO_LENGTH] = TEST_FILE_IO_BUF1;
 	uint64_t size = strlen(buf_write);
 
@@ -225,6 +278,13 @@ int main(void)
 		return OPAL_PARAMETER;
 	}
 
+	/* Attempt to read using pldm file io before init should return error OPAL_PARAMETER */
+	rc = pldm_file_io_read_file(TEST_FILE_IO_HANDLE, TEST_FILE_IO_LENGTH, buf_read, 0, size);
+	if (rc != OPAL_PARAMETER) {
+		printf("PLDM_TEST : pldm_file_io_read_file failed expect=OPAL_PARAMETER\n");
+		return OPAL_PARAMETER;
+	}
+
 	/* Init PLDM File IO */
 	rc = pldm_file_io_init();
 	if (rc != OPAL_SUCCESS) {
@@ -241,6 +301,20 @@ int main(void)
 		return rc;
 	}
 
+
+	/* Attempt to  read: using pldm file io should return OPAL SUCCESS after init */
+	rc = pldm_file_io_read_file(TEST_FILE_IO_HANDLE, TEST_FILE_IO_LENGTH, buf_read, 0, size);
+	if (rc != OPAL_SUCCESS) {
+		printf("PLDM_TEST : pldm_file_io_read_file failed expect=OPAL_PARAMETER\n");
+		return rc;
+	}
+
+	/* Test if buffer read same as buffer send */
+	if (strncmp(buf_read, TEST_FILE_IO_BUF1, size) != 0) {
+		perror("PLDM_TEST pldm read string mismatch");
+		return OPAL_PARAMETER;
+	}
+
 	return OPAL_SUCCESS;
 }
 
-- 
2.34.1