131 lines
4.1 KiB
C
131 lines
4.1 KiB
C
/*
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* Copyright (c) 2015, NVIDIA CORPORATION. All rights reserved.
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*
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* Permission is hereby granted, free of charge, to any person obtaining a
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* copy of this software and associated documentation files (the "Software"),
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* to deal in the Software without restriction, including without limitation
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* the rights to use, copy, modify, merge, publish, distribute, sublicense,
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* and/or sell copies of the Software, and to permit persons to whom the
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* Software is furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in
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* all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
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* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
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* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
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* DEALINGS IN THE SOFTWARE.
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*/
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#ifndef __NVIDIA_DRM_OS_INTERFACE_H__
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#define __NVIDIA_DRM_OS_INTERFACE_H__
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#include "nvidia-drm-conftest.h" /* NV_DRM_AVAILABLE */
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#include "nvtypes.h"
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#if defined(NV_DRM_AVAILABLE)
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#if defined(NV_DRM_FENCE_AVAILABLE)
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#include "nvidia-dma-fence-helper.h"
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#endif
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#if defined(NV_LINUX) || defined(NV_BSD)
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#include "nv-kthread-q.h"
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#include "linux/spinlock.h"
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typedef struct nv_drm_workthread {
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spinlock_t lock;
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struct nv_kthread_q q;
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bool shutting_down;
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} nv_drm_workthread;
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typedef nv_kthread_q_item_t nv_drm_work;
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#else
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#error "Need to define deferred work primitives for this OS"
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#endif
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#if defined(NV_LINUX) || defined(NV_BSD)
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#include "nv-timer.h"
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typedef struct nv_timer nv_drm_timer;
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#else
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#error "Need to define kernel timer callback primitives for this OS"
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#endif
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#if defined(NV_DRM_FBDEV_GENERIC_SETUP_PRESENT) && defined(NV_DRM_APERTURE_REMOVE_CONFLICTING_PCI_FRAMEBUFFERS_PRESENT)
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#define NV_DRM_FBDEV_AVAILABLE
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#define NV_DRM_FBDEV_GENERIC_AVAILABLE
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#endif
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#if defined(NV_DRM_FBDEV_TTM_SETUP_PRESENT) && defined(NV_DRM_APERTURE_REMOVE_CONFLICTING_PCI_FRAMEBUFFERS_PRESENT)
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#define NV_DRM_FBDEV_AVAILABLE
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#define NV_DRM_FBDEV_TTM_AVAILABLE
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#endif
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struct page;
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/* Set to true when the atomic modeset feature is enabled. */
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extern bool nv_drm_modeset_module_param;
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#if defined(NV_DRM_FBDEV_AVAILABLE)
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/* Set to true when the nvidia-drm driver should install a framebuffer device */
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extern bool nv_drm_fbdev_module_param;
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#endif
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void *nv_drm_calloc(size_t nmemb, size_t size);
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void nv_drm_free(void *ptr);
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char *nv_drm_asprintf(const char *fmt, ...);
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void nv_drm_write_combine_flush(void);
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int nv_drm_lock_user_pages(unsigned long address,
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unsigned long pages_count, struct page ***pages);
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void nv_drm_unlock_user_pages(unsigned long pages_count, struct page **pages);
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void *nv_drm_vmap(struct page **pages, unsigned long pages_count);
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void nv_drm_vunmap(void *address);
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bool nv_drm_workthread_init(nv_drm_workthread *worker, const char *name);
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/* Can be called concurrently with nv_drm_workthread_add_work() */
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void nv_drm_workthread_shutdown(nv_drm_workthread *worker);
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void nv_drm_workthread_work_init(nv_drm_work *work,
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void (*callback)(void *),
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void *arg);
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/* Can be called concurrently with nv_drm_workthread_shutdown() */
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int nv_drm_workthread_add_work(nv_drm_workthread *worker, nv_drm_work *work);
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void nv_drm_timer_setup(nv_drm_timer *timer,
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void (*callback)(nv_drm_timer *nv_drm_timer));
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void nv_drm_mod_timer(nv_drm_timer *timer, unsigned long relative_timeout_ms);
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bool nv_drm_del_timer_sync(nv_drm_timer *timer);
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unsigned long nv_drm_timer_now(void);
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unsigned long nv_drm_timeout_from_ms(NvU64 relative_timeout_ms);
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#if defined(NV_DRM_FENCE_AVAILABLE)
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int nv_drm_create_sync_file(nv_dma_fence_t *fence);
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nv_dma_fence_t *nv_drm_sync_file_get_fence(int fd);
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#endif /* defined(NV_DRM_FENCE_AVAILABLE) */
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void nv_drm_yield(void);
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#endif /* defined(NV_DRM_AVAILABLE) */
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#endif /* __NVIDIA_DRM_OS_INTERFACE_H__ */
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