6977158e84
Enable the PXP ioctl action to allow userspace driver to query the
PXP tag, which is a 32-bit bitwise value indicating the current
session info, including protection type, session id, and whether
the session is enabled.
v2: Add fixes found by Google that could yield to possible
kernel array overflow when user space is malicious or buggy.
Reference: https://chromium-review.googlesource.com/c/chromiumos/third_party/kernel/+/4567078
Signed-off-by: Huang, Sean Z <sean.z.huang@intel.com>
Signed-off-by: Daniele Ceraolo Spurio <daniele.ceraolospurio@intel.com>
Reviewed by: Alan Previn <alan.previn.teres.alexis@intel.com>
Signed-off-by: Alan Previn <alan.previn.teres.alexis@intel.com>
Reviewed-by: Daniele Ceraolo Spurio <daniele.ceraolospurio@intel.com>
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|---|---|---|
| .. | ||
| amdgpu_drm.h | ||
| armada_drm.h | ||
| drm.h | ||
| drm_fourcc.h | ||
| drm_mode.h | ||
| drm_sarea.h | ||
| etnaviv_drm.h | ||
| exynos_drm.h | ||
| i915_drm.h | ||
| i915_drm_prelim.h | ||
| lima_drm.h | ||
| msm_drm.h | ||
| nouveau_drm.h | ||
| omap_drm.h | ||
| panfrost_drm.h | ||
| qxl_drm.h | ||
| radeon_drm.h | ||
| tegra_drm.h | ||
| v3d_drm.h | ||
| vc4_drm.h | ||
| vgem_drm.h | ||
| virtgpu_drm.h | ||
| vmwgfx_drm.h | ||