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efi_selftest: test writing to file

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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>
Signed-off-by: Alexander Graf <agraf@suse.de>
This commit is contained in:
Heinrich Schuchardt 2018-07-02 02:41:24 +02:00 committed by Alexander Graf
parent 0dc1bfb730
commit 1bfb1579be
1 changed files with 70 additions and 0 deletions
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70
lib/efi_selftest/efi_selftest_block_device.c
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@ -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");