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efi_selftest: Add basic partition info check to block io test

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Test the EFI_PARTITION_INFO_PROTOCOL in the existing EFI_BLOCK_IO_PROTOCOL
unit test. It is fairly basic, since it only checks that the values of the
struct efi_partition_info .revision, .type and .system fields are correct.

It doesn't check the MBR partition record information, because that's not
supported by the EFI_PARTITION_INFO_PROTOCOL implementation yet. The test
can be extended once the support is implemented, or if the in-memory disk
image used for the test is modified to have a GPT partition type instead.

Suggested-by: Tom Rini <trini@konsulko.com>
Signed-off-by: Javier Martinez Canillas <javierm@redhat.com>
Reviewed-by: Ilias Apalodimas <ilias.apalodimas@linaro.org>
Signed-off-by: Ilias Apalodimas <ilias.apalodimas@linaro.org>
This commit is contained in:
Javier Martinez Canillas
2025-07-03 11:32:49 +03:00
committed by Ilias Apalodimas
parent 2fdfb802e3
commit 4e103418be
1 changed files with 30 additions and 0 deletions
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lib/efi_selftest/efi_selftest_block_device.c
+30
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@@ -18,6 +18,7 @@
#include <efi_selftest.h>
#include "efi_selftest_disk_image.h"
#include <asm/cache.h>
#include <part_efi.h>
/* Block size of compressed disk image */
#define COMPRESSED_DISK_IMAGE_BLOCK_SIZE 8
@@ -29,6 +30,7 @@ static struct efi_boot_services *boottime;
static const efi_guid_t block_io_protocol_guid = EFI_BLOCK_IO_PROTOCOL_GUID;
static const efi_guid_t guid_device_path = EFI_DEVICE_PATH_PROTOCOL_GUID;
static const efi_guid_t partition_info_guid = EFI_PARTITION_INFO_PROTOCOL_GUID;
static const efi_guid_t guid_simple_file_system_protocol =
EFI_SIMPLE_FILE_SYSTEM_PROTOCOL_GUID;
static const efi_guid_t guid_file_system_info = EFI_FILE_SYSTEM_INFO_GUID;
@@ -310,6 +312,7 @@ static int execute(void)
struct efi_file_system_info info;
u16 label[12];
} system_info;
struct efi_partition_info *part_info;
efi_uintn_t buf_size;
char buf[16] __aligned(ARCH_DMA_MINALIGN);
u32 part1_size;
@@ -375,6 +378,33 @@ static int execute(void)
part1_size - 1);
return EFI_ST_FAILURE;
}
/* Open the partition information protocol */
ret = boottime->open_protocol(handle_partition,
&partition_info_guid,
(void **)&part_info, NULL, NULL,
EFI_OPEN_PROTOCOL_GET_PROTOCOL);
if (ret != EFI_SUCCESS) {
efi_st_error("Failed to open partition information protocol\n");
return EFI_ST_FAILURE;
}
/* Check that cached partition information is the expected */
if (part_info->revision != EFI_PARTITION_INFO_PROTOCOL_REVISION) {
efi_st_error("Partition info revision %x, expected %x\n",
part_info->revision, EFI_PARTITION_INFO_PROTOCOL_REVISION);
return EFI_ST_FAILURE;
}
if (part_info->type != PARTITION_TYPE_MBR) {
efi_st_error("Partition info type %x, expected %x\n",
part_info->type, PARTITION_TYPE_MBR);
return EFI_ST_FAILURE;
}
if (part_info->system != 0) {
efi_st_error("Partition info system %x, expected 0\n",
part_info->system);
return EFI_ST_FAILURE;
}
/* Open the simple file system protocol */
ret = boottime->open_protocol(handle_partition,
&guid_simple_file_system_protocol,