open-gpu-kernel-modules/kernel-open/nvidia-drm/nvidia-drm-ioctl.h
2022-05-09 13:18:59 -07:00

233 lines
9.2 KiB
C

/*
* Copyright (c) 2015-2016, NVIDIA CORPORATION. All rights reserved.
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the "Software"),
* to deal in the Software without restriction, including without limitation
* the rights to use, copy, modify, merge, publish, distribute, sublicense,
* and/or sell copies of the Software, and to permit persons to whom the
* Software is furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
* THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
* OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
* ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
* OTHER DEALINGS IN THE SOFTWARE.
*/
#ifndef _UAPI_NVIDIA_DRM_IOCTL_H_
#define _UAPI_NVIDIA_DRM_IOCTL_H_
#include <drm/drm.h>
/*
* We should do our best to keep these values constant. Any change to these will
* be backwards incompatible with client applications that might be using them
*/
#define DRM_NVIDIA_GET_CRTC_CRC32 0x00
#define DRM_NVIDIA_GEM_IMPORT_NVKMS_MEMORY 0x01
#define DRM_NVIDIA_GEM_IMPORT_USERSPACE_MEMORY 0x02
#define DRM_NVIDIA_GET_DEV_INFO 0x03
#define DRM_NVIDIA_FENCE_SUPPORTED 0x04
#define DRM_NVIDIA_FENCE_CONTEXT_CREATE 0x05
#define DRM_NVIDIA_GEM_FENCE_ATTACH 0x06
#define DRM_NVIDIA_GET_CLIENT_CAPABILITY 0x08
#define DRM_NVIDIA_GEM_EXPORT_NVKMS_MEMORY 0x09
#define DRM_NVIDIA_GEM_MAP_OFFSET 0x0a
#define DRM_NVIDIA_GEM_ALLOC_NVKMS_MEMORY 0x0b
#define DRM_NVIDIA_GET_CRTC_CRC32_V2 0x0c
#define DRM_NVIDIA_GEM_EXPORT_DMABUF_MEMORY 0x0d
#define DRM_NVIDIA_GEM_IDENTIFY_OBJECT 0x0e
#define DRM_IOCTL_NVIDIA_GEM_IMPORT_NVKMS_MEMORY \
DRM_IOWR((DRM_COMMAND_BASE + DRM_NVIDIA_GEM_IMPORT_NVKMS_MEMORY), \
struct drm_nvidia_gem_import_nvkms_memory_params)
#define DRM_IOCTL_NVIDIA_GEM_IMPORT_USERSPACE_MEMORY \
DRM_IOWR((DRM_COMMAND_BASE + DRM_NVIDIA_GEM_IMPORT_USERSPACE_MEMORY), \
struct drm_nvidia_gem_import_userspace_memory_params)
#define DRM_IOCTL_NVIDIA_GET_DEV_INFO \
DRM_IOWR((DRM_COMMAND_BASE + DRM_NVIDIA_GET_DEV_INFO), \
struct drm_nvidia_get_dev_info_params)
/*
* XXX Solaris compiler has issues with DRM_IO. None of this is supported on
* Solaris anyway, so just skip it.
*
* 'warning: suggest parentheses around arithmetic in operand of |'
*/
#if defined(NV_LINUX)
#define DRM_IOCTL_NVIDIA_FENCE_SUPPORTED \
DRM_IO(DRM_COMMAND_BASE + DRM_NVIDIA_FENCE_SUPPORTED)
#else
#define DRM_IOCTL_NVIDIA_FENCE_SUPPORTED 0
#endif
#define DRM_IOCTL_NVIDIA_FENCE_CONTEXT_CREATE \
DRM_IOWR((DRM_COMMAND_BASE + DRM_NVIDIA_FENCE_CONTEXT_CREATE), \
struct drm_nvidia_fence_context_create_params)
#define DRM_IOCTL_NVIDIA_GEM_FENCE_ATTACH \
DRM_IOW((DRM_COMMAND_BASE + DRM_NVIDIA_GEM_FENCE_ATTACH), \
struct drm_nvidia_gem_fence_attach_params)
#define DRM_IOCTL_NVIDIA_GET_CLIENT_CAPABILITY \
DRM_IOWR((DRM_COMMAND_BASE + DRM_NVIDIA_GET_CLIENT_CAPABILITY), \
struct drm_nvidia_get_client_capability_params)
#define DRM_IOCTL_NVIDIA_GET_CRTC_CRC32 \
DRM_IOWR((DRM_COMMAND_BASE + DRM_NVIDIA_GET_CRTC_CRC32), \
struct drm_nvidia_get_crtc_crc32_params)
#define DRM_IOCTL_NVIDIA_GET_CRTC_CRC32_V2 \
DRM_IOWR((DRM_COMMAND_BASE + DRM_NVIDIA_GET_CRTC_CRC32_V2), \
struct drm_nvidia_get_crtc_crc32_v2_params)
#define DRM_IOCTL_NVIDIA_GEM_EXPORT_NVKMS_MEMORY \
DRM_IOWR((DRM_COMMAND_BASE + DRM_NVIDIA_GEM_EXPORT_NVKMS_MEMORY), \
struct drm_nvidia_gem_export_nvkms_memory_params)
#define DRM_IOCTL_NVIDIA_GEM_MAP_OFFSET \
DRM_IOWR((DRM_COMMAND_BASE + DRM_NVIDIA_GEM_MAP_OFFSET), \
struct drm_nvidia_gem_map_offset_params)
#define DRM_IOCTL_NVIDIA_GEM_ALLOC_NVKMS_MEMORY \
DRM_IOWR((DRM_COMMAND_BASE + DRM_NVIDIA_GEM_ALLOC_NVKMS_MEMORY), \
struct drm_nvidia_gem_alloc_nvkms_memory_params)
#define DRM_IOCTL_NVIDIA_GEM_EXPORT_DMABUF_MEMORY \
DRM_IOWR((DRM_COMMAND_BASE + DRM_NVIDIA_GEM_EXPORT_DMABUF_MEMORY), \
struct drm_nvidia_gem_export_dmabuf_memory_params)
#define DRM_IOCTL_NVIDIA_GEM_IDENTIFY_OBJECT \
DRM_IOWR((DRM_COMMAND_BASE + DRM_NVIDIA_GEM_IDENTIFY_OBJECT), \
struct drm_nvidia_gem_identify_object_params)
struct drm_nvidia_gem_import_nvkms_memory_params {
uint64_t mem_size; /* IN */
uint64_t nvkms_params_ptr; /* IN */
uint64_t nvkms_params_size; /* IN */
uint32_t handle; /* OUT */
uint32_t __pad;
};
struct drm_nvidia_gem_import_userspace_memory_params {
uint64_t size; /* IN Size of memory in bytes */
uint64_t address; /* IN Virtual address of userspace memory */
uint32_t handle; /* OUT Handle to gem object */
};
struct drm_nvidia_get_dev_info_params {
uint32_t gpu_id; /* OUT */
uint32_t primary_index; /* OUT; the "card%d" value */
/* See DRM_FORMAT_MOD_NVIDIA_BLOCK_LINEAR_2D definitions of these */
uint32_t generic_page_kind; /* OUT */
uint32_t page_kind_generation; /* OUT */
uint32_t sector_layout; /* OUT */
};
struct drm_nvidia_fence_context_create_params {
uint32_t handle; /* OUT GEM handle to fence context */
uint32_t index; /* IN Index of semaphore to use for fencing */
uint64_t size; /* IN Size of semaphore surface in bytes */
/* Params for importing userspace semaphore surface */
uint64_t import_mem_nvkms_params_ptr; /* IN */
uint64_t import_mem_nvkms_params_size; /* IN */
/* Params for creating software signaling event */
uint64_t event_nvkms_params_ptr; /* IN */
uint64_t event_nvkms_params_size; /* IN */
};
struct drm_nvidia_gem_fence_attach_params {
uint32_t handle; /* IN GEM handle to attach fence to */
uint32_t fence_context_handle; /* IN GEM handle to fence context on which fence is run on */
uint32_t sem_thresh; /* IN Semaphore value to reach before signal */
};
struct drm_nvidia_get_client_capability_params {
uint64_t capability; /* IN Client capability enum */
uint64_t value; /* OUT Client capability value */
};
/* Struct that stores Crc value and if it is supported by hardware */
struct drm_nvidia_crtc_crc32 {
uint32_t value; /* Read value, undefined if supported is false */
uint8_t supported; /* Supported boolean, true if readable by hardware */
};
struct drm_nvidia_crtc_crc32_v2_out {
struct drm_nvidia_crtc_crc32 compositorCrc32; /* OUT compositor hardware CRC32 value */
struct drm_nvidia_crtc_crc32 rasterGeneratorCrc32; /* OUT raster generator CRC32 value */
struct drm_nvidia_crtc_crc32 outputCrc32; /* OUT SF/SOR CRC32 value */
};
struct drm_nvidia_get_crtc_crc32_v2_params {
uint32_t crtc_id; /* IN CRTC identifier */
struct drm_nvidia_crtc_crc32_v2_out crc32; /* OUT Crc32 output structure */
};
struct drm_nvidia_get_crtc_crc32_params {
uint32_t crtc_id; /* IN CRTC identifier */
uint32_t crc32; /* OUT CRC32 value */
};
struct drm_nvidia_gem_export_nvkms_memory_params {
uint32_t handle; /* IN */
uint32_t __pad;
uint64_t nvkms_params_ptr; /* IN */
uint64_t nvkms_params_size; /* IN */
};
struct drm_nvidia_gem_map_offset_params {
uint32_t handle; /* IN Handle to gem object */
uint32_t __pad;
uint64_t offset; /* OUT Fake offset */
};
struct drm_nvidia_gem_alloc_nvkms_memory_params {
uint32_t handle; /* OUT */
uint8_t block_linear; /* IN */
uint8_t compressible; /* IN/OUT */
uint16_t __pad;
uint64_t memory_size; /* IN */
};
struct drm_nvidia_gem_export_dmabuf_memory_params {
uint32_t handle; /* IN GEM Handle*/
uint32_t __pad;
uint64_t nvkms_params_ptr; /* IN */
uint64_t nvkms_params_size; /* IN */
};
typedef enum {
NV_GEM_OBJECT_NVKMS,
NV_GEM_OBJECT_DMABUF,
NV_GEM_OBJECT_USERMEMORY,
NV_GEM_OBJECT_UNKNOWN = 0x7fffffff /* Force size of 32-bits. */
} drm_nvidia_gem_object_type;
struct drm_nvidia_gem_identify_object_params {
uint32_t handle; /* IN GEM handle*/
drm_nvidia_gem_object_type object_type; /* OUT GEM object type */
};
#endif /* _UAPI_NVIDIA_DRM_IOCTL_H_ */