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| author | Jens Wiklander <jens.wiklander@linaro.org> | 2016-12-23 13:13:34 +0100 |
|---|---|---|
| committer | Victor Chong <victor.chong@linaro.org> | 2018-02-21 15:40:47 +0000 |
| commit | 4883df6ebbcd0537d8052f76f8803bf86468e48c (patch) | |
| tree | 34cc62e22056c196479772aea13828ac9c408964 /include/uapi | |
| parent | fb96bdaa3aa30c7aa605b7ecf42df459b2b386e7 (diff) | |
BACKPORT: tee: add TEE_IOCTL_PARAM_ATTR_META
Adds TEE_IOCTL_PARAM_ATTR_META which can be used to indicate meta
parameters when communicating with user space. These meta parameters can
be used by supplicant support multiple parallel requests at a time.
Change-Id: Id119468872ef96c941da0dfbbabed59e55366f12
Reviewed-by: Etienne Carriere <etienne.carriere@linaro.org>
Signed-off-by: Jens Wiklander <jens.wiklander@linaro.org>
(cherry picked from commit f2aa97240c84b8f258710e297ba60048bd9c153e)
Signed-off-by: Victor Chong <victor.chong@linaro.org>
Diffstat (limited to 'include/uapi')
| -rw-r--r-- | include/uapi/linux/tee.h | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/include/uapi/linux/tee.h b/include/uapi/linux/tee.h index 688782e90140..267c12e7fd79 100644 --- a/include/uapi/linux/tee.h +++ b/include/uapi/linux/tee.h @@ -154,6 +154,13 @@ struct tee_ioctl_buf_data { */ #define TEE_IOCTL_PARAM_ATTR_TYPE_MASK 0xff +/* Meta parameter carrying extra information about the message. */ +#define TEE_IOCTL_PARAM_ATTR_META 0x100 + +/* Mask of all known attr bits */ +#define TEE_IOCTL_PARAM_ATTR_MASK \ + (TEE_IOCTL_PARAM_ATTR_TYPE_MASK | TEE_IOCTL_PARAM_ATTR_META) + /* * Matches TEEC_LOGIN_* in GP TEE Client API * Are only defined for GP compliant TEEs |