From 059cf566e123ca7eb7434285c6455d7afafb4e02 Mon Sep 17 00:00:00 2001 From: Jens Wiklander Date: Thu, 16 Feb 2017 09:07:02 +0100 Subject: [PATCH] tee: indicate privileged dev in gen_caps Mirrors the TEE_DESC_PRIVILEGED bit of struct tee_desc:flags into struct tee_ioctl_version_data:gen_caps as TEE_GEN_CAP_PRIVILEGED in tee_ioctl_version() Reviewed-by: Jerome Forissier Signed-off-by: Jens Wiklander --- drivers/tee/tee_core.c | 5 +++++ include/uapi/linux/tee.h | 1 + 2 files changed, 6 insertions(+) diff --git a/drivers/tee/tee_core.c b/drivers/tee/tee_core.c index 5c60bf4423e6..58a5009eacc3 100644 --- a/drivers/tee/tee_core.c +++ b/drivers/tee/tee_core.c @@ -90,8 +90,13 @@ static int tee_ioctl_version(struct tee_context *ctx, struct tee_ioctl_version_data vers; ctx->teedev->desc->ops->get_version(ctx->teedev, &vers); + + if (ctx->teedev->desc->flags & TEE_DESC_PRIVILEGED) + vers.gen_caps |= TEE_GEN_CAP_PRIVILEGED; + if (copy_to_user(uvers, &vers, sizeof(vers))) return -EFAULT; + return 0; } diff --git a/include/uapi/linux/tee.h b/include/uapi/linux/tee.h index 370d8845ab21..688782e90140 100644 --- a/include/uapi/linux/tee.h +++ b/include/uapi/linux/tee.h @@ -49,6 +49,7 @@ #define TEE_MAX_ARG_SIZE 1024 #define TEE_GEN_CAP_GP (1 << 0)/* GlobalPlatform compliant TEE */ +#define TEE_GEN_CAP_PRIVILEGED (1 << 1)/* Privileged device (for supplicant) */ /* * TEE Implementation ID