Provide a unit test for writing to a FAT file system. Add some additional comments in block device unit test.
Signed-off-by: Heinrich Schuchardt xypron.glpk@gmx.de --- lib/efi_selftest/efi_selftest_block_device.c | 70 ++++++++++++++++++++ 1 file changed, 70 insertions(+)
diff --git a/lib/efi_selftest/efi_selftest_block_device.c b/lib/efi_selftest/efi_selftest_block_device.c index 4af8bd8cb2..b82e405030 100644 --- a/lib/efi_selftest/efi_selftest_block_device.c +++ b/lib/efi_selftest/efi_selftest_block_device.c @@ -309,11 +309,14 @@ static int execute(void) efi_uintn_t buf_size; char buf[16] __aligned(ARCH_DMA_MINALIGN);
+ /* Connect controller to virtual disk */ ret = boottime->connect_controller(disk_handle, NULL, NULL, 1); if (ret != EFI_SUCCESS) { efi_st_error("Failed to connect controller\n"); return EFI_ST_FAILURE; } + + /* Get the handle for the partition */ ret = boottime->locate_handle_buffer( BY_PROTOCOL, &guid_device_path, NULL, &no_handles, &handles); @@ -347,6 +350,8 @@ static int execute(void) efi_st_error("Partition handle not found\n"); return EFI_ST_FAILURE; } + + /* Open the simple file system protocol */ ret = boottime->open_protocol(handle_partition, &guid_simple_file_system_protocol, (void **)&file_system, NULL, NULL, @@ -355,6 +360,8 @@ static int execute(void) efi_st_error("Failed to open simple file system protocol\n"); return EFI_ST_FAILURE; } + + /* Open volume */ ret = file_system->open_volume(file_system, &root); if (ret != EFI_SUCCESS) { efi_st_error("Failed to open volume\n"); @@ -377,6 +384,8 @@ static int execute(void) "Wrong volume label '%ps', expected 'U-BOOT TEST'\n", system_info.info.volume_label); } + + /* Read file */ ret = root->open(root, &file, (s16 *)L"hello.txt", EFI_FILE_MODE_READ, 0); if (ret != EFI_SUCCESS) { @@ -389,6 +398,11 @@ static int execute(void) efi_st_error("Failed to read file\n"); return EFI_ST_FAILURE; } + if (buf_size != 13) { + efi_st_error("Wrong number of bytes read: %u\n", + (unsigned int)buf_size); + return EFI_ST_FAILURE; + } if (efi_st_memcmp(buf, "Hello world!", 12)) { efi_st_error("Unexpected file content\n"); return EFI_ST_FAILURE; @@ -398,6 +412,62 @@ static int execute(void) efi_st_error("Failed to close file\n"); return EFI_ST_FAILURE; } + +#ifdef CONFIG_FAT_WRITE + /* Write file */ + ret = root->open(root, &file, (s16 *)L"u-boot.txt", + EFI_FILE_MODE_WRITE | EFI_FILE_MODE_CREATE, 0); + if (ret != EFI_SUCCESS) { + efi_st_error("Failed to open file\n"); + return EFI_ST_FAILURE; + } + buf_size = 7; + boottime->set_mem(buf, sizeof(buf), 0); + boottime->copy_mem(buf, "U-Boot", buf_size); + ret = file->write(file, &buf_size, buf); + if (ret != EFI_SUCCESS || buf_size != 7) { + efi_st_error("Failed to write file\n"); + return EFI_ST_FAILURE; + } + ret = file->close(file); + if (ret != EFI_SUCCESS) { + efi_st_error("Failed to close file\n"); + return EFI_ST_FAILURE; + } + + /* Verify file */ + boottime->set_mem(buf, sizeof(buf), 0); + ret = root->open(root, &file, (s16 *)L"u-boot.txt", EFI_FILE_MODE_READ, + 0); + if (ret != EFI_SUCCESS) { + efi_st_error("Failed to open file\n"); + return EFI_ST_FAILURE; + } + buf_size = sizeof(buf) - 1; + ret = file->read(file, &buf_size, buf); + if (ret != EFI_SUCCESS) { + efi_st_error("Failed to read file\n"); + return EFI_ST_FAILURE; + } + if (buf_size != 7) { + efi_st_error("Wrong number of bytes read: %u\n", + (unsigned int)buf_size); + return EFI_ST_FAILURE; + } + if (efi_st_memcmp(buf, "U-Boot", 7)) { + efi_st_error("Unexpected file content %s\n", buf); + return EFI_ST_FAILURE; + } + ret = file->close(file); + if (ret != EFI_SUCCESS) { + efi_st_error("Failed to close file\n"); + return EFI_ST_FAILURE; + } +#else + efi_st_todo("CONFIG_FAT_WRITE is not set\n"); +#endif /* CONFIG_FAT_WRITE */ + + /* Close volume */ ret = root->close(root); if (ret != EFI_SUCCESS) { efi_st_error("Failed to close volume\n");