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101 lines
No EOL
2 KiB
C
Vendored
101 lines
No EOL
2 KiB
C
Vendored
/* SPDX-License-Identifier: MIT */
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#ifndef __NOVA_DRM_H__
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#define __NOVA_DRM_H__
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#include "drm.h"
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/* DISCLAIMER: Do not use, this is not a stable uAPI.
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*
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* This uAPI serves only testing purposes as long as this driver is still in
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* development. It is required to implement and test infrastructure which is
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* upstreamed in the context of this driver. See also [1].
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*
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* [1] https://lore.kernel.org/dri-devel/Zfsj0_tb-0-tNrJy@cassiopeiae/T/#u
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*/
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#if defined(__cplusplus)
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extern "C" {
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#endif
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/*
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* NOVA_GETPARAM_VRAM_BAR_SIZE
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*
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* Query the VRAM BAR size in bytes.
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*/
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#define NOVA_GETPARAM_VRAM_BAR_SIZE 0x1
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/**
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* struct drm_nova_getparam - query GPU and driver metadata
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*/
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struct drm_nova_getparam {
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/**
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* @param: The identifier of the parameter to query.
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*/
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__u64 param;
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/**
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* @value: The value for the specified parameter.
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*/
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__u64 value;
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};
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/**
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* struct drm_nova_gem_create - create a new DRM GEM object
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*/
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struct drm_nova_gem_create {
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/**
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* @handle: The handle of the new DRM GEM object.
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*/
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__u32 handle;
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/**
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* @pad: 32 bit padding, should be 0.
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*/
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__u32 pad;
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/**
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* @size: The size of the new DRM GEM object.
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*/
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__u64 size;
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};
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/**
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* struct drm_nova_gem_info - query DRM GEM object metadata
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*/
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struct drm_nova_gem_info {
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/**
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* @handle: The handle of the DRM GEM object to query.
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*/
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__u32 handle;
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/**
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* @pad: 32 bit padding, should be 0.
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*/
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__u32 pad;
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/**
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* @size: The size of the DRM GEM obejct.
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*/
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__u64 size;
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};
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#define DRM_NOVA_GETPARAM 0x00
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#define DRM_NOVA_GEM_CREATE 0x01
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#define DRM_NOVA_GEM_INFO 0x02
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/* Note: this is an enum so that it can be resolved by Rust bindgen. */
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enum {
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DRM_IOCTL_NOVA_GETPARAM = DRM_IOWR(DRM_COMMAND_BASE + DRM_NOVA_GETPARAM,
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struct drm_nova_getparam),
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DRM_IOCTL_NOVA_GEM_CREATE = DRM_IOWR(DRM_COMMAND_BASE + DRM_NOVA_GEM_CREATE,
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struct drm_nova_gem_create),
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DRM_IOCTL_NOVA_GEM_INFO = DRM_IOWR(DRM_COMMAND_BASE + DRM_NOVA_GEM_INFO,
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struct drm_nova_gem_info),
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};
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#if defined(__cplusplus)
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}
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#endif
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#endif /* __NOVA_DRM_H__ */ |