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- /*
- * 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 <linux/iosys-map.h>
- #include <linux/dma-fence.h>
- #include <linux/firmware.h>
- #include <linux/platform_device.h>
- #include <linux/workqueue.h>
- #include <drm/drm_crtc.h>
- #include <drm/drm_encoder.h>
- #include <drm/drm_fb_helper.h>
- #include <drm/drm_gem_ttm_helper.h>
- #include <drm/drm_ioctl.h>
- #include <drm/drm_gem.h>
- #include <drm/qxl_drm.h>
- #include <drm/ttm/ttm_bo_api.h>
- #include <drm/ttm/ttm_bo_driver.h>
- #include <drm/ttm/ttm_execbuf_util.h>
- #include <drm/ttm/ttm_placement.h>
- #include "qxl_dev.h"
- struct iosys_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;
- #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 iosys_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);
- 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,
- wait_queue_head_t *push_event);
- void qxl_ring_free(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.resource->mem_type == TTM_PL_VRAM)
- ? &qdev->main_slot : &qdev->surfaces_slot;
- /* TODO - need to hold one of the locks to read bo->tbo.resource->start */
- return slot->high_bits | ((bo->tbo.resource->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 drm_gem_object **gobj,
- 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);
- /* 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 iosys_map *map);
- void qxl_gem_prime_vunmap(struct drm_gem_object *obj,
- struct iosys_map *map);
- /* qxl_irq.c */
- int qxl_irq_init(struct qxl_device *qdev);
- 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);
- /* qxl_ioctl.c */
- int qxl_alloc_ioctl(struct drm_device *dev, void *data, struct drm_file *file_priv);
- int qxl_map_ioctl(struct drm_device *dev, void *data, struct drm_file *file_priv);
- int qxl_execbuffer_ioctl(struct drm_device *dev, void *data, struct drm_file *file_priv);
- int qxl_update_area_ioctl(struct drm_device *dev, void *data, struct drm_file *file);
- int qxl_getparam_ioctl(struct drm_device *dev, void *data, struct drm_file *file_priv);
- int qxl_clientcap_ioctl(struct drm_device *dev, void *data, struct drm_file *file_priv);
- int qxl_alloc_surf_ioctl(struct drm_device *dev, void *data, struct drm_file *file);
- #endif
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