[Skiboot] [PATCH 2/4] core/pldm/test : pldm bios test
Abhishek Singh Tomar
abhishek at linux.ibm.com
Wed May 4 16:55:53 AEST 2022
The self test for PLDM BIOS implementation
Signed-off-by: Abhishek Singh Tomar <abhishek at linux.ibm.com>
---
core/pldm/pldm-lid-files.c | 16 +-
core/pldm/test/Makefile.check | 1 +
core/pldm/test/common/test_pldm-common.c | 1 +
core/pldm/test/test_pldm-bios.c | 240 +++++++++++++++++++++++
4 files changed, 254 insertions(+), 4 deletions(-)
create mode 100644 core/pldm/test/test_pldm-bios.c
diff --git a/core/pldm/pldm-lid-files.c b/core/pldm/pldm-lid-files.c
index e8122268..2d8685d2 100644
--- a/core/pldm/pldm-lid-files.c
+++ b/core/pldm/pldm-lid-files.c
@@ -261,8 +261,11 @@ static int lid_files_read(struct blocklevel_device *bl __unused,
/* LPC is only 32bit */
if (pos > UINT_MAX || len > UINT_MAX)
return FLASH_ERR_PARM_ERROR;
-
+#ifndef __TEST__
prlog(PR_TRACE, "lid files read at 0x%llx for 0x%llx\n", pos, len);
+#else
+ prlog(PR_TRACE, "lid files read at 0x%lx for 0x%lx\n", pos, len);
+#endif
if (pos == 0) {
/* return a 'fake' header flash */
@@ -290,9 +293,11 @@ static int lid_files_write(struct blocklevel_device *bl __unused,
/* LPC is only 32bit */
if (pos > UINT_MAX || len > UINT_MAX)
return FLASH_ERR_PARM_ERROR;
-
+#ifndef __TEST__
prlog(PR_TRACE, "lid files write at 0x%llx for 0x%llx\n", pos, len);
-
+#else
+ prlog(PR_TRACE, "lid files write at 0x%lx for 0x%lx\n", pos, len);
+#endif
/* convert offset to lid id */
lid = vaddr_to_lid_id(pos);
if (!lid)
@@ -306,8 +311,11 @@ static int lid_files_write(struct blocklevel_device *bl __unused,
static int lid_files_erase(struct blocklevel_device *bl __unused,
uint64_t pos, uint64_t len)
{
-
+#ifndef __TEST__
prlog(PR_TRACE, "lid files erase at 0x%llx for 0x%llx\n", pos, len);
+#else
+ prlog(PR_TRACE, "lid files erase at 0x%lx for 0x%lx\n", pos, len);
+#endif
return OPAL_UNSUPPORTED;
}
diff --git a/core/pldm/test/Makefile.check b/core/pldm/test/Makefile.check
index 42d60993..ce43dea0 100644
--- a/core/pldm/test/Makefile.check
+++ b/core/pldm/test/Makefile.check
@@ -1,5 +1,6 @@
# -*-Makefile-*-
PLDM_TEST := core/pldm/test/test_pldm-fileio \
+ core/pldm/test/test_pldm-bios \
LCOV_EXCLUDE += $(PLDM_TEST:%=%.c)
diff --git a/core/pldm/test/common/test_pldm-common.c b/core/pldm/test/common/test_pldm-common.c
index 8a6d12b9..4fb97ecd 100644
--- a/core/pldm/test/common/test_pldm-common.c
+++ b/core/pldm/test/common/test_pldm-common.c
@@ -46,6 +46,7 @@ static inline unsigned long mftb(void);
#include "../../pldm-watchdog.c"
#include "../../pldm-fru-requests.c"
#include "../../pldm-platform-requests.c"
+#include "../../pldm-lid-files.c"
#include "../../../device.c"
diff --git a/core/pldm/test/test_pldm-bios.c b/core/pldm/test/test_pldm-bios.c
new file mode 100644
index 00000000..53447a68
--- /dev/null
+++ b/core/pldm/test/test_pldm-bios.c
@@ -0,0 +1,240 @@
+#include "common/test_pldm-common.c"
+
+
+#define TEST_BIOS_STRING "hb_lid_ids"
+#define TEST_BIOS_STRING_HANDLE 60
+#define TEST_ATTR_HANDLE 0
+#define TEST_ATTR_STRING_MIN_LEN 0
+#define TEST_ATTR_STRING_MAX_LEN 0
+#define TEST_ATTR_STRING_DEFAULT_LEN 0
+#define TEST_ATTR_STRING_DEFAULT ""
+#define TEST_VALUE_TABLE_CURRENT_STR "ATTR_PERM=81e00663,ATTR_TMP=81e00664,NVRAM=81e0066b"
+#define TEST_VALID_ATTR_NAME "ATTR_TMP"
+
+
+/*
+ * This function tries to duplicate BMC functionality for Pldm self test
+ * It will handle pldm response message
+ * For now we don't have any response
+ */
+int pldm_test_verify_response(void *response_msg, size_t response_len)
+{
+ if (response_len > 0 || response_msg != NULL)
+ return OPAL_PARAMETER;
+
+ return OPAL_PARAMETER;
+
+}
+
+
+int pldm_test_reply_request_bios(void *request_msg, size_t request_len,
+ void **response_msg, size_t *response_len);
+
+/*
+ * This function tries to duplicate BMC functionality for Pldm self test
+ * It generate bios table for self test based on input parameter tabletype
+ */
+uint32_t test_table_entry_generate(uint8_t **bios_table, uint8_t tableType)
+{
+ uint32_t bios_table_length = 0;
+ int pad_len = 0;
+ uint32_t checksum = 0;
+
+ switch (tableType) {
+
+ case PLDM_BIOS_STRING_TABLE:
+ bios_table_length = sizeof(struct pldm_bios_string_table_entry)
+ + strlen(TEST_BIOS_STRING) - 1;
+
+ // calculate padding length
+ if (bios_table_length % 4)
+ pad_len = 4 - (bios_table_length % 4);
+ else
+ pad_len = 0;
+ bios_table_length += sizeof(uint32_t) + pad_len;
+
+ *bios_table = malloc(bios_table_length);
+ memset(*bios_table, 0, bios_table_length);
+ struct pldm_bios_string_table_entry *string_entry =
+ (struct pldm_bios_string_table_entry *)(*bios_table);
+ string_entry->string_handle = htole16(TEST_BIOS_STRING_HANDLE);
+ string_entry->string_length = htole16(strlen(TEST_BIOS_STRING));
+ memcpy(string_entry->name, TEST_BIOS_STRING, string_entry->string_length);
+ break;
+
+ case PLDM_BIOS_ATTR_TABLE:
+ struct pldm_bios_table_attr_entry_string_info info;
+
+ bios_table_length = sizeof(struct pldm_bios_attr_table_entry)
+ + sizeof(struct attr_table_string_entry_fields)
+ + strlen(TEST_ATTR_STRING_DEFAULT);
+
+ // calculate padding length
+ if (bios_table_length % 4)
+ pad_len = 4 - (bios_table_length % 4);
+ else
+ pad_len = 0;
+ bios_table_length += sizeof(uint32_t) + pad_len;
+
+ *bios_table = malloc(bios_table_length);
+ memset(*bios_table, 0, bios_table_length);
+
+ info.name_handle = TEST_BIOS_STRING_HANDLE;
+ info.read_only = 0;
+ info.string_type = PLDM_BIOS_STRING;
+ info.min_length = TEST_ATTR_STRING_MIN_LEN;
+ info.max_length = TEST_ATTR_STRING_MAX_LEN;
+ info.def_length = TEST_ATTR_STRING_DEFAULT_LEN;
+ info.def_string = malloc(strlen(TEST_ATTR_STRING_DEFAULT));
+ memcpy((uint8_t *)info.def_string, TEST_ATTR_STRING_DEFAULT,
+ strlen(TEST_ATTR_STRING_DEFAULT));
+ pldm_bios_table_attr_entry_string_encode(*bios_table, bios_table_length, &info);
+ free((uint8_t *)info.def_string);
+ break;
+
+ case PLDM_BIOS_ATTR_VAL_TABLE:
+ bios_table_length = sizeof(struct pldm_bios_attr_val_table_entry)
+ + sizeof(uint16_t) + sizeof(TEST_VALUE_TABLE_CURRENT_STR) - 1;
+
+ // calculate padding length
+ if (bios_table_length % 4)
+ pad_len = 4 - (bios_table_length % 4);
+ else
+ pad_len = 0;
+ bios_table_length += sizeof(uint32_t) + pad_len;
+
+ *bios_table = malloc(bios_table_length);
+ memset(*bios_table, 0, bios_table_length);
+
+ pldm_bios_table_attr_value_entry_encode_string(*bios_table, bios_table_length,
+ TEST_ATTR_HANDLE, PLDM_BIOS_STRING,
+ sizeof(TEST_VALUE_TABLE_CURRENT_STR),
+ TEST_VALUE_TABLE_CURRENT_STR);
+ break;
+ default:
+ printf("PLDM_TEST: INvalid Table type");
+ return OPAL_PARAMETER;
+
+ }
+// Add padding data
+ memset(*bios_table + bios_table_length - sizeof(uint32_t) - pad_len, 0, pad_len);
+
+
+ checksum = htole32(pldm_crc32(*bios_table, bios_table_length - sizeof(uint32_t)
+ - pad_len));
+ memcpy(*bios_table + bios_table_length - sizeof(uint32_t), (void *)&checksum,
+ sizeof(uint32_t));
+
+ return bios_table_length;
+
+}
+
+/*
+ * This function tries to duplicate BMC functionality for Pldm self test
+ * It will only handle PLDM_BIOS type request
+ * As bios test will have only pldm request of type = PLDM_BIOS
+ */
+int pldm_test_reply_request(void *request_msg, size_t request_len,
+ void **response_msg, size_t *response_len)
+{
+ switch (((struct pldm_msg *)request_msg)->hdr.type) {
+ case PLDM_BIOS:
+ return pldm_test_reply_request_bios(request_msg, request_len,
+ response_msg, response_len);
+
+ default:
+ printf("PLDM_TEST : Not equal to PLDM_BIOS\n");
+ return OPAL_PARAMETER;
+ }
+
+}
+
+/*
+ * This function tries to duplicate BMC functionality for Pldm self test
+ * it tries to handle PLDM_REQUEST for PLDM_BIOS and reply with appropriate
+ * PLDM_RESPONSE message
+ */
+int pldm_test_reply_request_bios(void *request_msg, size_t request_len,
+ void **response_msg, size_t *response_len)
+{
+ int ret;
+ uint32_t transfer_handle;
+ uint8_t transfer_op_flag, table_type;
+ uint8_t *bios_table;
+ size_t payload_length;
+
+
+// check if command send is PLDM_GET_BIOS_TABLE then only
+// reply response message and return PLDM_SUCCESS
+// else return error
+ if (((struct pldm_msg *)request_msg)->hdr.command == PLDM_GET_BIOS_TABLE) {
+ payload_length = request_len - sizeof(struct pldm_msg_hdr);
+ ret = decode_get_bios_table_req(request_msg, payload_length, &transfer_handle,
+ &transfer_op_flag, &table_type);
+ if (ret != PLDM_SUCCESS)
+ return ret;
+
+ // generate the table to reply request on behalf on BMC for PLDM self test
+ ret = test_table_entry_generate(&bios_table, table_type);
+ if (ret < PLDM_SUCCESS)
+ return ret;
+ payload_length = ret + sizeof(struct pldm_get_bios_table_resp) - 1;
+
+ *response_len = sizeof(struct pldm_msg_hdr)
+ + payload_length - 1;
+ *response_msg = malloc(*response_len);
+
+ ret = encode_get_bios_table_resp(((struct pldm_msg *)request_msg)->hdr.instance_id,
+ PLDM_SUCCESS, PLDM_GET_NEXTPART, PLDM_START_AND_END,
+ bios_table, payload_length, *response_msg);
+ free(bios_table);
+ if (ret != PLDM_SUCCESS)
+ return ret;
+
+ return OPAL_SUCCESS;
+ } else
+ return OPAL_PARAMETER;
+
+ return OPAL_SUCCESS;
+}
+
+
+int main(void)
+{
+ size_t ret;
+ char *lid;
+ char name[] = "Error";
+ struct blocklevel_device *bl;
+
+// Attempt to call pldm_bios_find_lid_by_attr_name()
+// before pldm_bios_init() return error OPAL_HARDWARE
+ ret = pldm_bios_find_lid_by_attr_name(name, &lid);
+ if (ret != OPAL_HARDWARE)
+ return ret;
+
+// Init Pldm bios
+ ret = pldm_bios_init();
+ if (ret != PLDM_SUCCESS)
+ return ret;
+
+// Attempt to call pldm_bios_find_lid_by_attr_name()
+// when name argument not present return error OPAL_PARAMETER
+ ret = pldm_bios_find_lid_by_attr_name(TEST_VALID_ATTR_NAME, &lid);
+ if (ret != PLDM_SUCCESS)
+ return ret;
+
+// Attempt to call pldm_bios_find_lid_by_attr_name()
+// when name argument present return PLDM_SUCCESS
+ ret = pldm_bios_find_lid_by_attr_name(TEST_VALID_ATTR_NAME, &lid);
+ if (ret != PLDM_SUCCESS)
+ return ret;
+
+// Init pldm_lid_files_init
+ ret = pldm_lid_files_init(&bl);
+ if (ret != PLDM_SUCCESS)
+ return ret;
+
+ return 0;
+}
+
+
--
2.34.1
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