[Intel-gfx] [PATCH 2/4] drm/i915: Introduce DRM_I915_GEM_MMAP_OFFSET

[Abdiel Janulgue]

On 19/11/2019 13.37, Abdiel Janulgue wrote:

> +struct drm_i915_gem_mmap_offset {
> +	/** Handle for the object being mapped. */
> +	__u32 handle;
> +	__u32 pad;
> +	/**
> +	 * Fake offset to use for subsequent mmap call
> +	 *
> +	 * This is a fixed-size type for 32/64 compatibility.
> +	 */
> +	__u64 offset;
> +
> +	/**
> +	 * Flags for extended behaviour.
> +	 *
> +	 * It is mandatory that either one of the MMAP_OFFSET flags
> +	 * should be passed here.
> +	 */
> +	__u64 flags;
> +#define I915_MMAP_OFFSET_GTT 0
> +#define I915_MMAP_OFFSET_WC  1
> +#define I915_MMAP_OFFSET_WB  2
> +#define I915_MMAP_OFFSET_UC  3
> +
> +	__u64 extensions;
> +};

The simple memset IGT portion of this, coming up soon.

-Abdiel