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drm-uapi: Sync nouveau_drm.h

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Taken from drm-misc-next:

    commit 196b2b95fec447c2c4460f753b277d840633fbef
    Author: Mel Henning <mhenning@darkrefraction.com>
    Date:   Thu Feb 19 15:05:54 2026 -0500

        drm/nouveau: Add DRM_IOCTL_NOUVEAU_GET_ZCULL_INFO

Reviewed-by: Mary Guillemard <mary@mary.zone>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/33861>
This commit is contained in:
Mel Henning 2025-03-12 13:22:33 -04:00 • committed by Marge Bot
parent 8aecdcffa5
commit 0f03c8b173
1 changed files with 66 additions and 0 deletions
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66
include/drm-uapi/nouveau_drm.h
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@ -432,6 +432,69 @@ struct drm_nouveau_exec {
__u64 push_ptr;
};
struct drm_nouveau_get_zcull_info {
/**
* @width_align_pixels: required alignment for region widths, in pixels
* (typically #TPC's * 16).
*/
__u32 width_align_pixels;
/**
* @height_align_pixels: required alignment for region heights, in
* pixels (typically 32).
*/
__u32 height_align_pixels;
/**
* @pixel_squares_by_aliquots: the pixel area covered by an aliquot
* (typically #Zcull_banks * 16 * 16).
*/
__u32 pixel_squares_by_aliquots;
/**
* @aliquot_total: the total aliquot pool available in hardware
*/
__u32 aliquot_total;
/**
* @zcull_region_byte_multiplier: the size of an aliquot in bytes, which
* is used for save/restore operations on a region
*/
__u32 zcull_region_byte_multiplier;
/**
* @zcull_region_header_size: the region header size in bytes, which is
* used for save/restore operations on a region
*/
__u32 zcull_region_header_size;
/**
* @zcull_subregion_header_size: the subregion header size in bytes,
* which is used for save/restore operations on a region
*/
__u32 zcull_subregion_header_size;
/**
* @subregion_count: the total number of subregions the hardware
* supports
*/
__u32 subregion_count;
/**
* @subregion_width_align_pixels: required alignment for subregion
* widths, in pixels (typically #TPC's * 16).
*/
__u32 subregion_width_align_pixels;
/**
* @subregion_height_align_pixels: required alignment for subregion
* heights, in pixels
*/
__u32 subregion_height_align_pixels;
/**
* @ctxsw_size: the size, in bytes, of a zcull context switching region.
* Will be zero if the kernel does not support zcull context switching.
*/
__u32 ctxsw_size;
/**
* @ctxsw_align: the alignment, in bytes, of a zcull context switching
* region
*/
__u32 ctxsw_align;
};
#define DRM_NOUVEAU_GETPARAM 0x00
#define DRM_NOUVEAU_SETPARAM 0x01 /* deprecated */
#define DRM_NOUVEAU_CHANNEL_ALLOC 0x02
@ -445,6 +508,7 @@ struct drm_nouveau_exec {
#define DRM_NOUVEAU_VM_INIT 0x10
#define DRM_NOUVEAU_VM_BIND 0x11
#define DRM_NOUVEAU_EXEC 0x12
#define DRM_NOUVEAU_GET_ZCULL_INFO 0x13
#define DRM_NOUVEAU_GEM_NEW 0x40
#define DRM_NOUVEAU_GEM_PUSHBUF 0x41
#define DRM_NOUVEAU_GEM_CPU_PREP 0x42
@ -513,6 +577,8 @@ struct drm_nouveau_svm_bind {
#define DRM_IOCTL_NOUVEAU_VM_INIT DRM_IOWR(DRM_COMMAND_BASE + DRM_NOUVEAU_VM_INIT, struct drm_nouveau_vm_init)
#define DRM_IOCTL_NOUVEAU_VM_BIND DRM_IOWR(DRM_COMMAND_BASE + DRM_NOUVEAU_VM_BIND, struct drm_nouveau_vm_bind)
#define DRM_IOCTL_NOUVEAU_EXEC DRM_IOWR(DRM_COMMAND_BASE + DRM_NOUVEAU_EXEC, struct drm_nouveau_exec)
#define DRM_IOCTL_NOUVEAU_GET_ZCULL_INFO DRM_IOR (DRM_COMMAND_BASE + DRM_NOUVEAU_GET_ZCULL_INFO, struct drm_nouveau_get_zcull_info)
#if defined(__cplusplus)
}
#endif