/* * Copyright 2013 Red Hat Inc. * * 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. * * Authors: Dave Airlie * Alon Levy */ #ifndef QXL_DRV_H #define QXL_DRV_H /* * Definitions taken from spice-protocol, plus kernel driver specific bits. */ #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include "qxl_dev.h" struct dma_buf_map; #define DRIVER_AUTHOR "Dave Airlie" #define DRIVER_NAME "qxl" #define DRIVER_DESC "RH QXL" #define DRIVER_DATE "20120117" #define DRIVER_MAJOR 0 #define DRIVER_MINOR 1 #define DRIVER_PATCHLEVEL 0 #define QXL_DEBUGFS_MAX_COMPONENTS 32 extern int qxl_num_crtc; extern int qxl_max_ioctls; #define QXL_INTERRUPT_MASK (\ QXL_INTERRUPT_DISPLAY |\ QXL_INTERRUPT_CURSOR |\ QXL_INTERRUPT_IO_CMD |\ QXL_INTERRUPT_CLIENT_MONITORS_CONFIG) struct qxl_bo { struct ttm_buffer_object tbo; /* Protected by gem.mutex */ struct list_head list; /* Protected by tbo.reserved */ struct ttm_place placements[3]; struct ttm_placement placement; struct dma_buf_map map; void *kptr; unsigned int map_count; int type; /* Constant after initialization */ unsigned int is_primary:1; /* is this now a primary surface */ unsigned int is_dumb:1; struct qxl_bo *shadow; unsigned int hw_surf_alloc:1; struct qxl_surface surf; uint32_t surface_id; struct qxl_release *surf_create; }; #define gem_to_qxl_bo(gobj) container_of((gobj), struct qxl_bo, tbo.base) #define to_qxl_bo(tobj) container_of((tobj), struct qxl_bo, tbo) struct qxl_gem { struct mutex mutex; struct list_head objects; }; struct qxl_bo_list { struct ttm_validate_buffer tv; }; struct qxl_crtc { struct drm_crtc base; int index; struct qxl_bo *cursor_bo; }; struct qxl_output { int index; struct drm_connector base; struct drm_encoder enc; }; #define to_qxl_crtc(x) container_of(x, struct qxl_crtc, base) #define drm_connector_to_qxl_output(x) container_of(x, struct qxl_output, base) #define drm_encoder_to_qxl_output(x) container_of(x, struct qxl_output, enc) struct qxl_mman { struct ttm_device bdev; }; struct qxl_memslot { int index; const char *name; uint8_t generation; uint64_t start_phys_addr; uint64_t size; uint64_t high_bits; }; enum { QXL_RELEASE_DRAWABLE, QXL_RELEASE_SURFACE_CMD, QXL_RELEASE_CURSOR_CMD, }; /* drm_ prefix to differentiate from qxl_release_info in * spice-protocol/qxl_dev.h */ #define QXL_MAX_RES 96 struct qxl_release { struct dma_fence base; int id; int type; struct qxl_bo *release_bo; uint32_t release_offset; uint32_t surface_release_id; struct ww_acquire_ctx ticket; struct list_head bos; }; struct qxl_drm_chunk { struct list_head head; struct qxl_bo *bo; }; struct qxl_drm_image { struct qxl_bo *bo; struct list_head chunk_list; }; /* * Debugfs */ struct qxl_debugfs { struct drm_info_list *files; unsigned int num_files; }; struct qxl_device { struct drm_device ddev; resource_size_t vram_base, vram_size; resource_size_t surfaceram_base, surfaceram_size; resource_size_t rom_base, rom_size; struct qxl_rom *rom; struct qxl_mode *modes; struct qxl_bo *monitors_config_bo; struct qxl_monitors_config *monitors_config; /* last received client_monitors_config */ struct qxl_monitors_config *client_monitors_config; int io_base; void *ram; struct qxl_mman mman; struct qxl_gem gem; void *ram_physical; struct qxl_ring *release_ring; struct qxl_ring *command_ring; struct qxl_ring *cursor_ring; struct qxl_ram_header *ram_header; struct qxl_bo *primary_bo; struct qxl_bo *dumb_shadow_bo; struct qxl_head *dumb_heads; struct qxl_memslot main_slot; struct qxl_memslot surfaces_slot; spinlock_t release_lock; struct idr release_idr; uint32_t release_seqno; atomic_t release_count; wait_queue_head_t release_event; spinlock_t release_idr_lock; struct mutex async_io_mutex; unsigned int last_sent_io_cmd; /* interrupt handling */ atomic_t irq_received; atomic_t irq_received_display; atomic_t irq_received_cursor; atomic_t irq_received_io_cmd; unsigned int irq_received_error; wait_queue_head_t display_event; wait_queue_head_t cursor_event; wait_queue_head_t io_cmd_event; struct work_struct client_monitors_config_work; /* debugfs */ struct qxl_debugfs debugfs[QXL_DEBUGFS_MAX_COMPONENTS]; unsigned int debugfs_count; struct mutex update_area_mutex; struct idr surf_id_idr; spinlock_t surf_id_idr_lock; int last_alloced_surf_id; struct mutex surf_evict_mutex; struct io_mapping *vram_mapping; struct io_mapping *surface_mapping; /* */ struct mutex release_mutex; struct qxl_bo *current_release_bo[3]; int current_release_bo_offset[3]; struct work_struct gc_work; struct drm_property *hotplug_mode_update_property; int monitors_config_width; int monitors_config_height; }; #define to_qxl(dev) container_of(dev, struct qxl_device, ddev) int qxl_debugfs_fence_init(struct qxl_device *rdev); extern const struct drm_ioctl_desc qxl_ioctls[]; extern int qxl_max_ioctl; int qxl_device_init(struct qxl_device *qdev, struct pci_dev *pdev); void qxl_device_fini(struct qxl_device *qdev); int qxl_modeset_init(struct qxl_device *qdev); void qxl_modeset_fini(struct qxl_device *qdev); int qxl_bo_init(struct qxl_device *qdev); void qxl_bo_fini(struct qxl_device *qdev); void qxl_reinit_memslots(struct qxl_device *qdev); int qxl_surf_evict(struct qxl_device *qdev); int qxl_vram_evict(struct qxl_device *qdev); struct qxl_ring *qxl_ring_create(struct qxl_ring_header *header, int element_size, int n_elements, int prod_notify, bool set_prod_notify, wait_queue_head_t *push_event); void qxl_ring_free(struct qxl_ring *ring); void qxl_ring_init_hdr(struct qxl_ring *ring); int qxl_check_idle(struct qxl_ring *ring); static inline uint64_t qxl_bo_physical_address(struct qxl_device *qdev, struct qxl_bo *bo, unsigned long offset) { struct qxl_memslot *slot = (bo->tbo.mem.mem_type == TTM_PL_VRAM) ? &qdev->main_slot : &qdev->surfaces_slot; /* TODO - need to hold one of the locks to read bo->tbo.mem.start */ return slot->high_bits | ((bo->tbo.mem.start << PAGE_SHIFT) + offset); } /* qxl_display.c */ void qxl_display_read_client_monitors_config(struct qxl_device *qdev); int qxl_create_monitors_object(struct qxl_device *qdev); int qxl_destroy_monitors_object(struct qxl_device *qdev); /* qxl_gem.c */ void qxl_gem_init(struct qxl_device *qdev); void qxl_gem_fini(struct qxl_device *qdev); int qxl_gem_object_create(struct qxl_device *qdev, int size, int alignment, int initial_domain, bool discardable, bool kernel, struct qxl_surface *surf, struct drm_gem_object **obj); int qxl_gem_object_create_with_handle(struct qxl_device *qdev, struct drm_file *file_priv, u32 domain, size_t size, struct qxl_surface *surf, struct qxl_bo **qobj, uint32_t *handle); void qxl_gem_object_free(struct drm_gem_object *gobj); int qxl_gem_object_open(struct drm_gem_object *obj, struct drm_file *file_priv); void qxl_gem_object_close(struct drm_gem_object *obj, struct drm_file *file_priv); void qxl_bo_force_delete(struct qxl_device *qdev); /* qxl_dumb.c */ int qxl_mode_dumb_create(struct drm_file *file_priv, struct drm_device *dev, struct drm_mode_create_dumb *args); int qxl_mode_dumb_mmap(struct drm_file *filp, struct drm_device *dev, uint32_t handle, uint64_t *offset_p); /* qxl ttm */ int qxl_ttm_init(struct qxl_device *qdev); void qxl_ttm_fini(struct qxl_device *qdev); int qxl_ttm_io_mem_reserve(struct ttm_device *bdev, struct ttm_resource *mem); /* qxl image */ int qxl_image_init(struct qxl_device *qdev, struct qxl_release *release, struct qxl_drm_image *dimage, const uint8_t *data, int x, int y, int width, int height, int depth, int stride); int qxl_image_alloc_objects(struct qxl_device *qdev, struct qxl_release *release, struct qxl_drm_image **image_ptr, int height, int stride); void qxl_image_free_objects(struct qxl_device *qdev, struct qxl_drm_image *dimage); void qxl_update_screen(struct qxl_device *qxl); /* qxl io operations (qxl_cmd.c) */ void qxl_io_create_primary(struct qxl_device *qdev, struct qxl_bo *bo); void qxl_io_destroy_primary(struct qxl_device *qdev); void qxl_io_memslot_add(struct qxl_device *qdev, uint8_t id); void qxl_io_notify_oom(struct qxl_device *qdev); int qxl_io_update_area(struct qxl_device *qdev, struct qxl_bo *surf, const struct qxl_rect *area); void qxl_io_reset(struct qxl_device *qdev); void qxl_io_monitors_config(struct qxl_device *qdev); int qxl_ring_push(struct qxl_ring *ring, const void *new_elt, bool interruptible); void qxl_io_flush_release(struct qxl_device *qdev); void qxl_io_flush_surfaces(struct qxl_device *qdev); union qxl_release_info *qxl_release_map(struct qxl_device *qdev, struct qxl_release *release); void qxl_release_unmap(struct qxl_device *qdev, struct qxl_release *release, union qxl_release_info *info); int qxl_release_list_add(struct qxl_release *release, struct qxl_bo *bo); int qxl_release_reserve_list(struct qxl_release *release, bool no_intr); void qxl_release_backoff_reserve_list(struct qxl_release *release); void qxl_release_fence_buffer_objects(struct qxl_release *release); int qxl_alloc_surface_release_reserved(struct qxl_device *qdev, enum qxl_surface_cmd_type surface_cmd_type, struct qxl_release *create_rel, struct qxl_release **release); int qxl_alloc_release_reserved(struct qxl_device *qdev, unsigned long size, int type, struct qxl_release **release, struct qxl_bo **rbo); int qxl_push_command_ring_release(struct qxl_device *qdev, struct qxl_release *release, uint32_t type, bool interruptible); int qxl_push_cursor_ring_release(struct qxl_device *qdev, struct qxl_release *release, uint32_t type, bool interruptible); int qxl_alloc_bo_reserved(struct qxl_device *qdev, struct qxl_release *release, unsigned long size, struct qxl_bo **_bo); /* qxl drawing commands */ void qxl_draw_dirty_fb(struct qxl_device *qdev, struct drm_framebuffer *fb, struct qxl_bo *bo, unsigned int flags, unsigned int color, struct drm_clip_rect *clips, unsigned int num_clips, int inc, uint32_t dumb_shadow_offset); void qxl_release_free(struct qxl_device *qdev, struct qxl_release *release); /* used by qxl_debugfs_release */ struct qxl_release *qxl_release_from_id_locked(struct qxl_device *qdev, uint64_t id); bool qxl_queue_garbage_collect(struct qxl_device *qdev, bool flush); int qxl_garbage_collect(struct qxl_device *qdev); /* debugfs */ void qxl_debugfs_init(struct drm_minor *minor); void qxl_ttm_debugfs_init(struct qxl_device *qdev); /* qxl_prime.c */ int qxl_gem_prime_pin(struct drm_gem_object *obj); void qxl_gem_prime_unpin(struct drm_gem_object *obj); struct sg_table *qxl_gem_prime_get_sg_table(struct drm_gem_object *obj); struct drm_gem_object *qxl_gem_prime_import_sg_table( struct drm_device *dev, struct dma_buf_attachment *attach, struct sg_table *sgt); int qxl_gem_prime_vmap(struct drm_gem_object *obj, struct dma_buf_map *map); void qxl_gem_prime_vunmap(struct drm_gem_object *obj, struct dma_buf_map *map); int qxl_gem_prime_mmap(struct drm_gem_object *obj, struct vm_area_struct *vma); /* qxl_irq.c */ int qxl_irq_init(struct qxl_device *qdev); irqreturn_t qxl_irq_handler(int irq, void *arg); void qxl_debugfs_add_files(struct qxl_device *qdev, struct drm_info_list *files, unsigned int nfiles); int qxl_surface_id_alloc(struct qxl_device *qdev, struct qxl_bo *surf); void qxl_surface_id_dealloc(struct qxl_device *qdev, uint32_t surface_id); int qxl_hw_surface_alloc(struct qxl_device *qdev, struct qxl_bo *surf); int qxl_hw_surface_dealloc(struct qxl_device *qdev, struct qxl_bo *surf); int qxl_bo_check_id(struct qxl_device *qdev, struct qxl_bo *bo); struct qxl_drv_surface * qxl_surface_lookup(struct drm_device *dev, int surface_id); void qxl_surface_evict(struct qxl_device *qdev, struct qxl_bo *surf, bool freeing); #endif