Re: [PATCH i-g-t 1/2] include: bump drm uAPI headers

[Daniel Vetter <daniel@ffwll.ch>]

On Tue, Jan 16, 2018 at 04:07:27PM +0000, Lionel Landwerlin wrote:
> Signed-off-by: Lionel Landwerlin <lionel.g.landwerlin@intel.com>

Please remember to send igt patches to the new mailing list in the future.
Adding it.
-Daniel

> ---
>  include/drm-uapi/i915_drm.h | 126 ++++++++++++++++++++++++++++++++++++++++++++
>  lib/igt_perf.h              |   7 ---
>  2 files changed, 126 insertions(+), 7 deletions(-)
> 
> diff --git a/include/drm-uapi/i915_drm.h b/include/drm-uapi/i915_drm.h
> index 7f28eea4..80debdf5 100644
> --- a/include/drm-uapi/i915_drm.h
> +++ b/include/drm-uapi/i915_drm.h
> @@ -102,6 +102,46 @@ enum drm_i915_gem_engine_class {
>  	I915_ENGINE_CLASS_INVALID	= -1
>  };
>  
> +/**
> + * DOC: perf_events exposed by i915 through /sys/bus/event_sources/drivers/i915
> + *
> + */
> +
> +enum drm_i915_pmu_engine_sample {
> +	I915_SAMPLE_BUSY = 0,
> +	I915_SAMPLE_WAIT = 1,
> +	I915_SAMPLE_SEMA = 2
> +};
> +
> +#define I915_PMU_SAMPLE_BITS (4)
> +#define I915_PMU_SAMPLE_MASK (0xf)
> +#define I915_PMU_SAMPLE_INSTANCE_BITS (8)
> +#define I915_PMU_CLASS_SHIFT \
> +	(I915_PMU_SAMPLE_BITS + I915_PMU_SAMPLE_INSTANCE_BITS)
> +
> +#define __I915_PMU_ENGINE(class, instance, sample) \
> +	((class) << I915_PMU_CLASS_SHIFT | \
> +	(instance) << I915_PMU_SAMPLE_BITS | \
> +	(sample))
> +
> +#define I915_PMU_ENGINE_BUSY(class, instance) \
> +	__I915_PMU_ENGINE(class, instance, I915_SAMPLE_BUSY)
> +
> +#define I915_PMU_ENGINE_WAIT(class, instance) \
> +	__I915_PMU_ENGINE(class, instance, I915_SAMPLE_WAIT)
> +
> +#define I915_PMU_ENGINE_SEMA(class, instance) \
> +	__I915_PMU_ENGINE(class, instance, I915_SAMPLE_SEMA)
> +
> +#define __I915_PMU_OTHER(x) (__I915_PMU_ENGINE(0xff, 0xff, 0xf) + 1 + (x))
> +
> +#define I915_PMU_ACTUAL_FREQUENCY	__I915_PMU_OTHER(0)
> +#define I915_PMU_REQUESTED_FREQUENCY	__I915_PMU_OTHER(1)
> +#define I915_PMU_INTERRUPTS		__I915_PMU_OTHER(2)
> +#define I915_PMU_RC6_RESIDENCY		__I915_PMU_OTHER(3)
> +
> +#define I915_PMU_LAST I915_PMU_RC6_RESIDENCY
> +
>  /* Each region is a minimum of 16k, and there are at most 255 of them.
>   */
>  #define I915_NR_TEX_REGIONS 255	/* table size 2k - maximum due to use
> @@ -278,6 +318,7 @@ typedef struct _drm_i915_sarea {
>  #define DRM_I915_PERF_OPEN		0x36
>  #define DRM_I915_PERF_ADD_CONFIG	0x37
>  #define DRM_I915_PERF_REMOVE_CONFIG	0x38
> +#define DRM_I915_QUERY			0x39
>  
>  #define DRM_IOCTL_I915_INIT		DRM_IOW( DRM_COMMAND_BASE + DRM_I915_INIT, drm_i915_init_t)
>  #define DRM_IOCTL_I915_FLUSH		DRM_IO ( DRM_COMMAND_BASE + DRM_I915_FLUSH)
> @@ -335,6 +376,7 @@ typedef struct _drm_i915_sarea {
>  #define DRM_IOCTL_I915_PERF_OPEN	DRM_IOW(DRM_COMMAND_BASE + DRM_I915_PERF_OPEN, struct drm_i915_perf_open_param)
>  #define DRM_IOCTL_I915_PERF_ADD_CONFIG	DRM_IOW(DRM_COMMAND_BASE + DRM_I915_PERF_ADD_CONFIG, struct drm_i915_perf_oa_config)
>  #define DRM_IOCTL_I915_PERF_REMOVE_CONFIG	DRM_IOW(DRM_COMMAND_BASE + DRM_I915_PERF_REMOVE_CONFIG, __u64)
> +#define DRM_IOCTL_I915_QUERY			DRM_IOWR(DRM_COMMAND_BASE + DRM_I915_QUERY, struct drm_i915_query)
>  
>  /* Allow drivers to submit batchbuffers directly to hardware, relying
>   * on the security mechanisms provided by hardware.
> @@ -1573,6 +1615,90 @@ struct drm_i915_perf_oa_config {
>  	__u64 flex_regs_ptr;
>  };
>  
> +
> +struct drm_i915_query_item {
> +	__u64 query_id;
> +#define DRM_I915_QUERY_SLICE_INFO	0x01
> +#define DRM_I915_QUERY_SUBSLICE_INFO	0x02
> +#define DRM_I915_QUERY_EU_INFO		0x03
> +
> +	/*
> +	 * When set to zero by userspace, this is filled with the size of the
> +	 * data to be written at the data_ptr pointer.
> +	 */
> +	__u32 length;
> +
> +	__u32 flags;
> +
> +	/*
> +	 * Data will be written at the location pointed by data_ptr when the
> +	 * value of length matches the length of the data to be written by the
> +	 * kernel.
> +	 */
> +	__u64 data_ptr;
> +};
> +
> +struct drm_i915_query {
> +	__u32 num_items;
> +	__u32 flags;
> +
> +	/*
> +	 * This point to an array of num_items drm_i915_query_item structures.
> +	 */
> +	__u64 items_ptr;
> +};
> +
> +#define DRM_I915_BIT(bit) ((__u32)1 << (bit))
> +#define DRM_I915_DIV_ROUND_UP(val, div) (((val) + (div) - 1) / (div))
> +
> +/* Data written by the kernel with query DRM_I915_QUERY_ID_SLICES_INFO :
> + *
> + * data: each bit indicates whether a slice is available (1) or fused off (0).
> + *       Use DRM_I915_QUERY_SLICE_AVAILABLE() to query a given slice's
> + *       availability.
> + */
> +struct drm_i915_query_slice_info {
> +	__u32 max_slices;
> +
> +#define DRM_I915_QUERY_SLICE_AVAILABLE(info, slice) \
> +	!!((info)->data[(slice) / 8] & DRM_I915_BIT((slice) % 8))
> +	__u8 data[];
> +};
> +
> +/* Data written by the kernel with query DRM_I915_QUERY_ID_SUBSLICES_INFO :
> + *
> + * data: each bit indicates whether a subslice is available (1) or fused off
> + *       (0). Use DRM_I915_QUERY_SUBSLICE_AVAILABLE() to query a given
> + *       subslice's availability.
> + */
> +struct drm_i915_query_subslice_info {
> +	__u32 max_slices;
> +	__u32 max_subslices;
> +
> +#define DRM_I915_QUERY_SUBSLICE_AVAILABLE(info, slice, subslice) \
> +	!!((info)->data[(slice) * DRM_I915_DIV_ROUND_UP((info)->max_subslices, 8) + \
> +			(subslice) / 8] & DRM_I915_BIT((subslice) % 8))
> +	__u8 data[];
> +};
> +
> +/* Data written by the kernel with query DRM_I915_QUERY_ID_EUS_INFO :
> + *
> + * data: Each bit indicates whether a subslice is available (1) or fused off
> + *       (0). Use DRM_I915_QUERY_EU_AVAILABLE() to query a given EU's
> + *       availability.
> + */
> +struct drm_i915_query_eu_info {
> +	__u32 max_slices;
> +	__u32 max_subslices;
> +	__u32 max_eus_per_subslice;
> +
> +#define DRM_I915_QUERY_EU_AVAILABLE(info, slice, subslice, eu) \
> +	!!((info)->data[(slice) * DRM_I915_DIV_ROUND_UP((info)->max_eus_per_subslice, 8) * (info)->max_subslices + \
> +			(subslice) * DRM_I915_DIV_ROUND_UP((info)->max_eus_per_subslice, 8) + \
> +			(eu) / 8] & DRM_I915_BIT((eu) % 8))
> +	__u8 data[];
> +};
> +
>  #if defined(__cplusplus)
>  }
>  #endif
> diff --git a/lib/igt_perf.h b/lib/igt_perf.h
> index 7b66fc58..105b8cd9 100644
> --- a/lib/igt_perf.h
> +++ b/lib/igt_perf.h
> @@ -31,13 +31,6 @@
>  
>  #include "igt_gt.h"
>  
> -enum drm_i915_pmu_engine_sample {
> -	I915_SAMPLE_BUSY = 0,
> -	I915_SAMPLE_WAIT = 1,
> -	I915_SAMPLE_SEMA = 2,
> -	I915_ENGINE_SAMPLE_MAX /* non-ABI */
> -};
> -
>  #define I915_PMU_SAMPLE_BITS (4)
>  #define I915_PMU_SAMPLE_MASK (0xf)
>  #define I915_PMU_SAMPLE_INSTANCE_BITS (8)
> -- 
> 2.15.1
> 
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-- 
Daniel Vetter
Software Engineer, Intel Corporation
http://blog.ffwll.ch
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