| /* |
| * 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/fence.h> |
| #include <linux/workqueue.h> |
| #include <linux/firmware.h> |
| #include <linux/platform_device.h> |
| |
| #include "drmP.h" |
| #include "drm_crtc.h" |
| #include <ttm/ttm_bo_api.h> |
| #include <ttm/ttm_bo_driver.h> |
| #include <ttm/ttm_placement.h> |
| #include <ttm/ttm_module.h> |
| |
| #include <drm/drm_gem.h> |
| |
| /* just for ttm_validate_buffer */ |
| #include <ttm/ttm_execbuf_util.h> |
| |
| #include <drm/qxl_drm.h> |
| #include "qxl_dev.h" |
| |
| #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_log_level; |
| extern int qxl_num_crtc; |
| |
| enum { |
| QXL_INFO_LEVEL = 1, |
| QXL_DEBUG_LEVEL = 2, |
| }; |
| |
| #define QXL_INFO(qdev, fmt, ...) do { \ |
| if (qxl_log_level >= QXL_INFO_LEVEL) { \ |
| qxl_io_log(qdev, fmt, __VA_ARGS__); \ |
| } \ |
| } while (0) |
| #define QXL_DEBUG(qdev, fmt, ...) do { \ |
| if (qxl_log_level >= QXL_DEBUG_LEVEL) { \ |
| qxl_io_log(qdev, fmt, __VA_ARGS__); \ |
| } \ |
| } while (0) |
| #define QXL_INFO_ONCE(qdev, fmt, ...) do { \ |
| static int done; \ |
| if (!done) { \ |
| done = 1; \ |
| QXL_INFO(qdev, fmt, __VA_ARGS__); \ |
| } \ |
| } while (0) |
| |
| #define DRM_FILE_OFFSET 0x100000000ULL |
| #define DRM_FILE_PAGE_OFFSET (DRM_FILE_OFFSET >> PAGE_SHIFT) |
| |
| #define QXL_INTERRUPT_MASK (\ |
| QXL_INTERRUPT_DISPLAY |\ |
| QXL_INTERRUPT_CURSOR |\ |
| QXL_INTERRUPT_IO_CMD |\ |
| QXL_INTERRUPT_CLIENT_MONITORS_CONFIG) |
| |
| struct qxl_bo { |
| /* Protected by gem.mutex */ |
| struct list_head list; |
| /* Protected by tbo.reserved */ |
| struct ttm_place placements[3]; |
| struct ttm_placement placement; |
| struct ttm_buffer_object tbo; |
| struct ttm_bo_kmap_obj kmap; |
| unsigned pin_count; |
| void *kptr; |
| int type; |
| |
| /* Constant after initialization */ |
| struct drm_gem_object gem_base; |
| bool is_primary; /* is this now a primary surface */ |
| bool hw_surf_alloc; |
| 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, gem_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; |
| int cur_x; |
| int cur_y; |
| }; |
| |
| struct qxl_output { |
| int index; |
| struct drm_connector base; |
| struct drm_encoder enc; |
| }; |
| |
| struct qxl_framebuffer { |
| struct drm_framebuffer base; |
| struct drm_gem_object *obj; |
| }; |
| |
| #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) |
| #define to_qxl_framebuffer(x) container_of(x, struct qxl_framebuffer, base) |
| |
| struct qxl_mman { |
| struct ttm_bo_global_ref bo_global_ref; |
| struct drm_global_reference mem_global_ref; |
| bool mem_global_referenced; |
| struct ttm_bo_device bdev; |
| }; |
| |
| struct qxl_mode_info { |
| int num_modes; |
| struct qxl_mode *modes; |
| bool mode_config_initialized; |
| |
| /* pointer to fbdev info structure */ |
| struct qxl_fbdev *qfbdev; |
| }; |
| |
| |
| struct qxl_memslot { |
| uint8_t generation; |
| uint64_t start_phys_addr; |
| uint64_t end_phys_addr; |
| 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 fence base; |
| |
| int id; |
| int type; |
| 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; |
| }; |
| |
| struct qxl_fb_image { |
| struct qxl_device *qdev; |
| uint32_t pseudo_palette[16]; |
| struct fb_image fb_image; |
| uint32_t visual; |
| }; |
| |
| struct qxl_draw_fill { |
| struct qxl_device *qdev; |
| struct qxl_rect rect; |
| uint32_t color; |
| uint16_t rop; |
| }; |
| |
| /* |
| * Debugfs |
| */ |
| struct qxl_debugfs { |
| struct drm_info_list *files; |
| unsigned num_files; |
| }; |
| |
| int qxl_debugfs_add_files(struct qxl_device *rdev, |
| struct drm_info_list *files, |
| unsigned nfiles); |
| int qxl_debugfs_fence_init(struct qxl_device *rdev); |
| void qxl_debugfs_remove_files(struct qxl_device *qdev); |
| |
| struct qxl_device; |
| |
| struct qxl_device { |
| struct device *dev; |
| struct drm_device *ddev; |
| struct pci_dev *pdev; |
| unsigned long flags; |
| |
| 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; |
| struct qxl_mode_info mode_info; |
| |
| struct fb_info *fbdev_info; |
| struct qxl_framebuffer *fbdev_qfb; |
| void *ram_physical; |
| |
| struct qxl_ring *release_ring; |
| struct qxl_ring *command_ring; |
| struct qxl_ring *cursor_ring; |
| |
| struct qxl_ram_header *ram_header; |
| |
| bool primary_created; |
| |
| struct qxl_memslot *mem_slots; |
| uint8_t n_mem_slots; |
| |
| uint8_t main_mem_slot; |
| uint8_t surfaces_mem_slot; |
| uint8_t slot_id_bits; |
| uint8_t slot_gen_bits; |
| uint64_t va_slot_mask; |
| |
| spinlock_t release_lock; |
| struct idr release_idr; |
| uint32_t release_seqno; |
| 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 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 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 workqueue_struct *gc_queue; |
| struct work_struct gc_work; |
| |
| struct work_struct fb_work; |
| |
| struct drm_property *hotplug_mode_update_property; |
| }; |
| |
| /* forward declaration for QXL_INFO_IO */ |
| void qxl_io_log(struct qxl_device *qdev, const char *fmt, ...); |
| |
| extern const struct drm_ioctl_desc qxl_ioctls[]; |
| extern int qxl_max_ioctl; |
| |
| int qxl_driver_load(struct drm_device *dev, unsigned long flags); |
| int qxl_driver_unload(struct drm_device *dev); |
| |
| 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 void * |
| qxl_fb_virtual_address(struct qxl_device *qdev, unsigned long physical) |
| { |
| QXL_INFO(qdev, "not implemented (%lu)\n", physical); |
| return 0; |
| } |
| |
| static inline uint64_t |
| qxl_bo_physical_address(struct qxl_device *qdev, struct qxl_bo *bo, |
| unsigned long offset) |
| { |
| int slot_id = bo->type == QXL_GEM_DOMAIN_VRAM ? qdev->main_mem_slot : qdev->surfaces_mem_slot; |
| struct qxl_memslot *slot = &(qdev->mem_slots[slot_id]); |
| |
| /* TODO - need to hold one of the locks to read tbo.offset */ |
| return slot->high_bits | (bo->tbo.offset + offset); |
| } |
| |
| /* qxl_fb.c */ |
| #define QXLFB_CONN_LIMIT 1 |
| |
| int qxl_fbdev_init(struct qxl_device *qdev); |
| void qxl_fbdev_fini(struct qxl_device *qdev); |
| int qxl_get_handle_for_primary_fb(struct qxl_device *qdev, |
| struct drm_file *file_priv, |
| uint32_t *handle); |
| void qxl_fbdev_set_suspend(struct qxl_device *qdev, int state); |
| |
| /* qxl_display.c */ |
| int |
| qxl_framebuffer_init(struct drm_device *dev, |
| struct qxl_framebuffer *rfb, |
| struct drm_mode_fb_cmd2 *mode_cmd, |
| struct drm_gem_object *obj); |
| void qxl_display_read_client_monitors_config(struct qxl_device *qdev); |
| void qxl_send_monitors_config(struct qxl_device *qdev); |
| int qxl_create_monitors_object(struct qxl_device *qdev); |
| int qxl_destroy_monitors_object(struct qxl_device *qdev); |
| |
| /* used by qxl_debugfs only */ |
| void qxl_crtc_set_from_monitors_config(struct qxl_device *qdev); |
| void qxl_alloc_client_monitors_config(struct qxl_device *qdev, unsigned count); |
| |
| /* qxl_gem.c */ |
| int 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); |
| int qxl_bo_kmap(struct qxl_bo *bo, void **ptr); |
| |
| /* 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_mmap(struct file *filp, struct vm_area_struct *vma); |
| |
| /* 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, |
| unsigned offset, |
| 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_opaque_fb(const struct qxl_fb_image *qxl_fb_image, |
| int stride /* filled in if 0 */); |
| |
| void qxl_draw_dirty_fb(struct qxl_device *qdev, |
| struct qxl_framebuffer *qxl_fb, |
| struct qxl_bo *bo, |
| unsigned flags, unsigned color, |
| struct drm_clip_rect *clips, |
| unsigned num_clips, int inc); |
| |
| void qxl_draw_fill(struct qxl_draw_fill *qxl_draw_fill_rec); |
| |
| void qxl_draw_copyarea(struct qxl_device *qdev, |
| u32 width, u32 height, |
| u32 sx, u32 sy, |
| u32 dx, u32 dy); |
| |
| 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 */ |
| |
| int qxl_debugfs_init(struct drm_minor *minor); |
| void qxl_debugfs_takedown(struct drm_minor *minor); |
| |
| /* 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, size_t size, |
| struct sg_table *sgt); |
| void *qxl_gem_prime_vmap(struct drm_gem_object *obj); |
| void qxl_gem_prime_vunmap(struct drm_gem_object *obj, void *vaddr); |
| 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); |
| |
| /* qxl_fb.c */ |
| int qxl_fb_init(struct qxl_device *qdev); |
| bool qxl_fbdev_qobj_is_fb(struct qxl_device *qdev, struct qxl_bo *qobj); |
| |
| int qxl_debugfs_add_files(struct qxl_device *qdev, |
| struct drm_info_list *files, |
| unsigned 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, |
| struct ttm_mem_reg *mem); |
| 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); |
| int qxl_update_surface(struct qxl_device *qdev, struct qxl_bo *surf); |
| |
| #endif |