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a745fb1c26
GEM's vmap and vunmap interfaces now wrap memory pointers in struct dma_buf_map. Signed-off-by: Thomas Zimmermann <tzimmermann@suse.de> Reviewed-by: Daniel Vetter <daniel.vetter@ffwll.ch> Tested-by: Sam Ravnborg <sam@ravnborg.org> Link: https://patchwork.freedesktop.org/patch/msgid/20201103093015.1063-8-tzimmermann@suse.de
269 lines
9.0 KiB
C
269 lines
9.0 KiB
C
/*
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* Copyright © 2014 Intel Corporation
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* Daniel Vetter <daniel.vetter@ffwll.ch>
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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 COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
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* OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
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* ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
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* OTHER DEALINGS IN THE SOFTWARE.
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*/
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#include <linux/kthread.h>
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#include <drm/drm_ioctl.h>
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#include <drm/drm_vblank.h>
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#define DRM_IF_MAJOR 1
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#define DRM_IF_MINOR 4
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#define DRM_IF_VERSION(maj, min) (maj << 16 | min)
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struct dentry;
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struct dma_buf;
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struct dma_buf_map;
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struct drm_connector;
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struct drm_crtc;
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struct drm_framebuffer;
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struct drm_gem_object;
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struct drm_master;
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struct drm_minor;
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struct drm_prime_file_private;
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struct drm_printer;
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struct drm_vblank_crtc;
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/* drm_file.c */
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extern struct mutex drm_global_mutex;
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bool drm_dev_needs_global_mutex(struct drm_device *dev);
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struct drm_file *drm_file_alloc(struct drm_minor *minor);
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void drm_file_free(struct drm_file *file);
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void drm_lastclose(struct drm_device *dev);
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#ifdef CONFIG_PCI
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/* drm_pci.c */
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int drm_legacy_irq_by_busid(struct drm_device *dev, void *data,
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struct drm_file *file_priv);
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void drm_pci_agp_destroy(struct drm_device *dev);
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int drm_pci_set_busid(struct drm_device *dev, struct drm_master *master);
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#else
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static inline int drm_legacy_irq_by_busid(struct drm_device *dev, void *data,
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struct drm_file *file_priv)
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{
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return -EINVAL;
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}
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static inline void drm_pci_agp_destroy(struct drm_device *dev)
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{
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}
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static inline int drm_pci_set_busid(struct drm_device *dev,
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struct drm_master *master)
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{
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return -EINVAL;
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}
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#endif
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/* drm_prime.c */
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int drm_prime_handle_to_fd_ioctl(struct drm_device *dev, void *data,
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struct drm_file *file_priv);
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int drm_prime_fd_to_handle_ioctl(struct drm_device *dev, void *data,
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struct drm_file *file_priv);
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void drm_prime_init_file_private(struct drm_prime_file_private *prime_fpriv);
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void drm_prime_destroy_file_private(struct drm_prime_file_private *prime_fpriv);
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void drm_prime_remove_buf_handle_locked(struct drm_prime_file_private *prime_fpriv,
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struct dma_buf *dma_buf);
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/* drm_drv.c */
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struct drm_minor *drm_minor_acquire(unsigned int minor_id);
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void drm_minor_release(struct drm_minor *minor);
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/* drm_managed.c */
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void drm_managed_release(struct drm_device *dev);
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void drmm_add_final_kfree(struct drm_device *dev, void *container);
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/* drm_vblank.c */
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static inline bool drm_vblank_passed(u64 seq, u64 ref)
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{
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return (seq - ref) <= (1 << 23);
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}
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void drm_vblank_disable_and_save(struct drm_device *dev, unsigned int pipe);
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int drm_vblank_get(struct drm_device *dev, unsigned int pipe);
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void drm_vblank_put(struct drm_device *dev, unsigned int pipe);
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u64 drm_vblank_count(struct drm_device *dev, unsigned int pipe);
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/* drm_vblank_work.c */
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static inline void drm_vblank_flush_worker(struct drm_vblank_crtc *vblank)
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{
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kthread_flush_worker(vblank->worker);
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}
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static inline void drm_vblank_destroy_worker(struct drm_vblank_crtc *vblank)
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{
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kthread_destroy_worker(vblank->worker);
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}
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int drm_vblank_worker_init(struct drm_vblank_crtc *vblank);
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void drm_vblank_cancel_pending_works(struct drm_vblank_crtc *vblank);
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void drm_handle_vblank_works(struct drm_vblank_crtc *vblank);
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/* IOCTLS */
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int drm_wait_vblank_ioctl(struct drm_device *dev, void *data,
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struct drm_file *filp);
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int drm_legacy_modeset_ctl_ioctl(struct drm_device *dev, void *data,
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struct drm_file *file_priv);
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/* drm_irq.c */
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/* IOCTLS */
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#if IS_ENABLED(CONFIG_DRM_LEGACY)
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int drm_legacy_irq_control(struct drm_device *dev, void *data,
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struct drm_file *file_priv);
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#endif
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int drm_crtc_get_sequence_ioctl(struct drm_device *dev, void *data,
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struct drm_file *filp);
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int drm_crtc_queue_sequence_ioctl(struct drm_device *dev, void *data,
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struct drm_file *filp);
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/* drm_auth.c */
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int drm_getmagic(struct drm_device *dev, void *data,
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struct drm_file *file_priv);
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int drm_authmagic(struct drm_device *dev, void *data,
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struct drm_file *file_priv);
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int drm_setmaster_ioctl(struct drm_device *dev, void *data,
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struct drm_file *file_priv);
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int drm_dropmaster_ioctl(struct drm_device *dev, void *data,
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struct drm_file *file_priv);
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int drm_master_open(struct drm_file *file_priv);
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void drm_master_release(struct drm_file *file_priv);
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bool drm_master_internal_acquire(struct drm_device *dev);
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void drm_master_internal_release(struct drm_device *dev);
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/* drm_sysfs.c */
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extern struct class *drm_class;
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int drm_sysfs_init(void);
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void drm_sysfs_destroy(void);
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struct device *drm_sysfs_minor_alloc(struct drm_minor *minor);
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int drm_sysfs_connector_add(struct drm_connector *connector);
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void drm_sysfs_connector_remove(struct drm_connector *connector);
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void drm_sysfs_lease_event(struct drm_device *dev);
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/* drm_gem.c */
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struct drm_gem_object;
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int drm_gem_init(struct drm_device *dev);
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int drm_gem_handle_create_tail(struct drm_file *file_priv,
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struct drm_gem_object *obj,
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u32 *handlep);
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int drm_gem_close_ioctl(struct drm_device *dev, void *data,
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struct drm_file *file_priv);
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int drm_gem_flink_ioctl(struct drm_device *dev, void *data,
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struct drm_file *file_priv);
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int drm_gem_open_ioctl(struct drm_device *dev, void *data,
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struct drm_file *file_priv);
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void drm_gem_open(struct drm_device *dev, struct drm_file *file_private);
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void drm_gem_release(struct drm_device *dev, struct drm_file *file_private);
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void drm_gem_print_info(struct drm_printer *p, unsigned int indent,
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const struct drm_gem_object *obj);
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int drm_gem_pin(struct drm_gem_object *obj);
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void drm_gem_unpin(struct drm_gem_object *obj);
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int drm_gem_vmap(struct drm_gem_object *obj, struct dma_buf_map *map);
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void drm_gem_vunmap(struct drm_gem_object *obj, struct dma_buf_map *map);
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/* drm_debugfs.c drm_debugfs_crc.c */
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#if defined(CONFIG_DEBUG_FS)
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int drm_debugfs_init(struct drm_minor *minor, int minor_id,
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struct dentry *root);
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void drm_debugfs_cleanup(struct drm_minor *minor);
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void drm_debugfs_connector_add(struct drm_connector *connector);
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void drm_debugfs_connector_remove(struct drm_connector *connector);
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void drm_debugfs_crtc_add(struct drm_crtc *crtc);
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void drm_debugfs_crtc_remove(struct drm_crtc *crtc);
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void drm_debugfs_crtc_crc_add(struct drm_crtc *crtc);
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#else
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static inline int drm_debugfs_init(struct drm_minor *minor, int minor_id,
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struct dentry *root)
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{
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return 0;
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}
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static inline void drm_debugfs_cleanup(struct drm_minor *minor)
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{
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}
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static inline void drm_debugfs_connector_add(struct drm_connector *connector)
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{
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}
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static inline void drm_debugfs_connector_remove(struct drm_connector *connector)
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{
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}
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static inline void drm_debugfs_crtc_add(struct drm_crtc *crtc)
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{
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}
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static inline void drm_debugfs_crtc_remove(struct drm_crtc *crtc)
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{
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}
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static inline void drm_debugfs_crtc_crc_add(struct drm_crtc *crtc)
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{
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}
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#endif
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drm_ioctl_t drm_version;
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drm_ioctl_t drm_getunique;
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drm_ioctl_t drm_getclient;
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/* drm_syncobj.c */
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void drm_syncobj_open(struct drm_file *file_private);
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void drm_syncobj_release(struct drm_file *file_private);
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int drm_syncobj_create_ioctl(struct drm_device *dev, void *data,
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struct drm_file *file_private);
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int drm_syncobj_destroy_ioctl(struct drm_device *dev, void *data,
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struct drm_file *file_private);
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int drm_syncobj_handle_to_fd_ioctl(struct drm_device *dev, void *data,
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struct drm_file *file_private);
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int drm_syncobj_fd_to_handle_ioctl(struct drm_device *dev, void *data,
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struct drm_file *file_private);
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int drm_syncobj_transfer_ioctl(struct drm_device *dev, void *data,
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struct drm_file *file_private);
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int drm_syncobj_wait_ioctl(struct drm_device *dev, void *data,
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struct drm_file *file_private);
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int drm_syncobj_timeline_wait_ioctl(struct drm_device *dev, void *data,
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struct drm_file *file_private);
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int drm_syncobj_reset_ioctl(struct drm_device *dev, void *data,
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struct drm_file *file_private);
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int drm_syncobj_signal_ioctl(struct drm_device *dev, void *data,
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struct drm_file *file_private);
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int drm_syncobj_timeline_signal_ioctl(struct drm_device *dev, void *data,
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struct drm_file *file_private);
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int drm_syncobj_query_ioctl(struct drm_device *dev, void *data,
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struct drm_file *file_private);
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/* drm_framebuffer.c */
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void drm_framebuffer_print_info(struct drm_printer *p, unsigned int indent,
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const struct drm_framebuffer *fb);
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void drm_framebuffer_debugfs_init(struct drm_minor *minor);
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