[PATCH v7 10/11] qcomtee: enable TEE_IOC_SHM_ALLOC ioctl

[Konrad Dybcio]

On 8/13/25 2:35 AM, Amirreza Zarrabi wrote:
> Enable userspace to allocate shared memory with QTEE. Since
> QTEE handles shared memory as object, a wrapper is implemented
> to represent tee_shm as an object. The shared memory identifier,
> obtained through TEE_IOC_SHM_ALLOC, is transferred to the driver using
> TEE_IOCTL_PARAM_ATTR_TYPE_OBJREF_INPUT/OUTPUT.
> 
> Tested-by: Neil Armstrong <neil.armstrong at linaro.org>
> Acked-by: Sumit Garg <sumit.garg at oss.qualcomm.com>
> Tested-by: Harshal Dev <quic_hdev at quicinc.com>
> Signed-off-by: Amirreza Zarrabi <amirreza.zarrabi at oss.qualcomm.com>
> ---

[...]

> +/* Mapping information format as expected by QTEE. */
> +struct qcomtee_mapping_info {
> +	u64 paddr;
> +	u64 len;
> +	u32 perms;
> +} __packed;

Please use types with explicit endianness, e.g. __le32. I'm assuming
TZ will always be little-endian, regardless of the host OS

Konrad