C++ (Cpp) get_var_data Examples

Example #1

File: efivars.c Project: adis1313/android_kernel_samsung_msm8974

static ssize_t
efivar_attr_read(struct efivar_entry *entry, char *buf)
{
	struct efi_variable *var = &entry->var;
	char *str = buf;
	efi_status_t status;

	if (!entry || !buf)
		return -EINVAL;

	status = get_var_data(entry->efivars, var);
	if (status != EFI_SUCCESS)
		return -EIO;

	if (var->Attributes & EFI_VARIABLE_NON_VOLATILE)
		str += sprintf(str, "EFI_VARIABLE_NON_VOLATILE\n");
	if (var->Attributes & EFI_VARIABLE_BOOTSERVICE_ACCESS)
		str += sprintf(str, "EFI_VARIABLE_BOOTSERVICE_ACCESS\n");
	if (var->Attributes & EFI_VARIABLE_RUNTIME_ACCESS)
		str += sprintf(str, "EFI_VARIABLE_RUNTIME_ACCESS\n");
	if (var->Attributes & EFI_VARIABLE_HARDWARE_ERROR_RECORD)
		str += sprintf(str, "EFI_VARIABLE_HARDWARE_ERROR_RECORD\n");
	if (var->Attributes & EFI_VARIABLE_AUTHENTICATED_WRITE_ACCESS)
		str += sprintf(str,
			"EFI_VARIABLE_AUTHENTICATED_WRITE_ACCESS\n");
	if (var->Attributes &
			EFI_VARIABLE_TIME_BASED_AUTHENTICATED_WRITE_ACCESS)
		str += sprintf(str,
			"EFI_VARIABLE_TIME_BASED_AUTHENTICATED_WRITE_ACCESS\n");
	if (var->Attributes & EFI_VARIABLE_APPEND_WRITE)
		str += sprintf(str, "EFI_VARIABLE_APPEND_WRITE\n");
	return str - buf;
}

Example #2

File: efivars.c Project: 240046249/android_kernel_sharp_sh01f

static ssize_t
efivar_show_raw(struct efivar_entry *entry, char *buf)
{
	struct efi_variable *var = &entry->var;
	efi_status_t status;

	if (!entry || !buf)
		return 0;

	status = get_var_data(entry->efivars, var);
	if (status != EFI_SUCCESS)
		return -EIO;

	memcpy(buf, var, sizeof(*var));
	return sizeof(*var);
}

Example #3

File: efivars.c Project: 240046249/android_kernel_sharp_sh01f

static ssize_t
efivar_data_read(struct efivar_entry *entry, char *buf)
{
	struct efi_variable *var = &entry->var;
	efi_status_t status;

	if (!entry || !buf)
		return -EINVAL;

	status = get_var_data(entry->efivars, var);
	if (status != EFI_SUCCESS)
		return -EIO;

	memcpy(buf, var->Data, var->DataSize);
	return var->DataSize;
}

Example #4

File: efivars.c Project: 240046249/android_kernel_sharp_sh01f

static ssize_t
efivar_size_read(struct efivar_entry *entry, char *buf)
{
	struct efi_variable *var = &entry->var;
	char *str = buf;
	efi_status_t status;

	if (!entry || !buf)
		return -EINVAL;

	status = get_var_data(entry->efivars, var);
	if (status != EFI_SUCCESS)
		return -EIO;

	str += sprintf(str, "0x%lx\n", var->DataSize);
	return str - buf;
}

Example #5

File: efivars.c Project: 240046249/android_kernel_sharp_sh01f

static ssize_t
efivar_attr_read(struct efivar_entry *entry, char *buf)
{
	struct efi_variable *var = &entry->var;
	char *str = buf;
	efi_status_t status;

	if (!entry || !buf)
		return -EINVAL;

	status = get_var_data(entry->efivars, var);
	if (status != EFI_SUCCESS)
		return -EIO;

	if (var->Attributes & 0x1)
		str += sprintf(str, "EFI_VARIABLE_NON_VOLATILE\n");
	if (var->Attributes & 0x2)
		str += sprintf(str, "EFI_VARIABLE_BOOTSERVICE_ACCESS\n");
	if (var->Attributes & 0x4)
		str += sprintf(str, "EFI_VARIABLE_RUNTIME_ACCESS\n");
	return str - buf;
}