542 lines
15 KiB
C
542 lines
15 KiB
C
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/*
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* Copyright 2013 Red Hat Inc.
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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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* Authors: Dave Airlie
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* Alon Levy
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*/
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#ifndef QXL_DRV_H
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#define QXL_DRV_H
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/*
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* Definitions taken from spice-protocol, plus kernel driver specific bits.
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*/
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#include <linux/dma-fence.h>
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#include <linux/workqueue.h>
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#include <linux/firmware.h>
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#include <linux/platform_device.h>
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#include <drm/drm_crtc.h>
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#include <drm/drm_encoder.h>
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#include <drm/drm_gem.h>
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#include <drm/drmP.h>
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#include <drm/ttm/ttm_bo_api.h>
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#include <drm/ttm/ttm_bo_driver.h>
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/* just for ttm_validate_buffer */
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#include <drm/ttm/ttm_execbuf_util.h>
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#include <drm/ttm/ttm_module.h>
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#include <drm/ttm/ttm_placement.h>
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#include <drm/qxl_drm.h>
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#include "qxl_dev.h"
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#define DRIVER_AUTHOR "Dave Airlie"
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#define DRIVER_NAME "qxl"
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#define DRIVER_DESC "RH QXL"
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#define DRIVER_DATE "20120117"
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#define DRIVER_MAJOR 0
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#define DRIVER_MINOR 1
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#define DRIVER_PATCHLEVEL 0
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#define QXL_DEBUGFS_MAX_COMPONENTS 32
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extern int qxl_num_crtc;
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extern int qxl_max_ioctls;
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#define DRM_FILE_OFFSET 0x100000000ULL
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#define DRM_FILE_PAGE_OFFSET (DRM_FILE_OFFSET >> PAGE_SHIFT)
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#define QXL_INTERRUPT_MASK (\
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QXL_INTERRUPT_DISPLAY |\
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QXL_INTERRUPT_CURSOR |\
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QXL_INTERRUPT_IO_CMD |\
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QXL_INTERRUPT_CLIENT_MONITORS_CONFIG)
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struct qxl_bo {
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/* Protected by gem.mutex */
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struct list_head list;
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/* Protected by tbo.reserved */
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struct ttm_place placements[3];
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struct ttm_placement placement;
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struct ttm_buffer_object tbo;
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struct ttm_bo_kmap_obj kmap;
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unsigned pin_count;
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void *kptr;
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int type;
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/* Constant after initialization */
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struct drm_gem_object gem_base;
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bool is_primary; /* is this now a primary surface */
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bool is_dumb;
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struct qxl_bo *shadow;
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bool hw_surf_alloc;
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struct qxl_surface surf;
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uint32_t surface_id;
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struct qxl_release *surf_create;
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};
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#define gem_to_qxl_bo(gobj) container_of((gobj), struct qxl_bo, gem_base)
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#define to_qxl_bo(tobj) container_of((tobj), struct qxl_bo, tbo)
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struct qxl_gem {
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struct mutex mutex;
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struct list_head objects;
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};
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struct qxl_bo_list {
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struct ttm_validate_buffer tv;
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};
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struct qxl_crtc {
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struct drm_crtc base;
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int index;
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struct qxl_bo *cursor_bo;
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};
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struct qxl_output {
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int index;
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struct drm_connector base;
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struct drm_encoder enc;
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};
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struct qxl_framebuffer {
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struct drm_framebuffer base;
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struct drm_gem_object *obj;
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};
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#define to_qxl_crtc(x) container_of(x, struct qxl_crtc, base)
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#define drm_connector_to_qxl_output(x) container_of(x, struct qxl_output, base)
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#define drm_encoder_to_qxl_output(x) container_of(x, struct qxl_output, enc)
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#define to_qxl_framebuffer(x) container_of(x, struct qxl_framebuffer, base)
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struct qxl_mman {
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struct ttm_bo_global_ref bo_global_ref;
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struct drm_global_reference mem_global_ref;
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bool mem_global_referenced;
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struct ttm_bo_device bdev;
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};
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struct qxl_mode_info {
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bool mode_config_initialized;
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/* pointer to fbdev info structure */
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struct qxl_fbdev *qfbdev;
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};
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struct qxl_memslot {
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uint8_t generation;
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uint64_t start_phys_addr;
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uint64_t end_phys_addr;
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uint64_t high_bits;
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};
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enum {
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QXL_RELEASE_DRAWABLE,
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QXL_RELEASE_SURFACE_CMD,
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QXL_RELEASE_CURSOR_CMD,
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};
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/* drm_ prefix to differentiate from qxl_release_info in
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* spice-protocol/qxl_dev.h */
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#define QXL_MAX_RES 96
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struct qxl_release {
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struct dma_fence base;
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int id;
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int type;
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struct qxl_bo *release_bo;
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uint32_t release_offset;
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uint32_t surface_release_id;
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struct ww_acquire_ctx ticket;
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struct list_head bos;
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};
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struct qxl_drm_chunk {
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struct list_head head;
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struct qxl_bo *bo;
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};
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struct qxl_drm_image {
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struct qxl_bo *bo;
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struct list_head chunk_list;
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};
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struct qxl_fb_image {
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struct qxl_device *qdev;
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uint32_t pseudo_palette[16];
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struct fb_image fb_image;
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uint32_t visual;
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};
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struct qxl_draw_fill {
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struct qxl_device *qdev;
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struct qxl_rect rect;
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uint32_t color;
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uint16_t rop;
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};
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/*
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* Debugfs
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*/
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struct qxl_debugfs {
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struct drm_info_list *files;
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unsigned num_files;
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};
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int qxl_debugfs_add_files(struct qxl_device *rdev,
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struct drm_info_list *files,
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unsigned nfiles);
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int qxl_debugfs_fence_init(struct qxl_device *rdev);
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struct qxl_device;
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struct qxl_device {
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struct drm_device ddev;
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resource_size_t vram_base, vram_size;
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resource_size_t surfaceram_base, surfaceram_size;
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resource_size_t rom_base, rom_size;
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struct qxl_rom *rom;
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struct qxl_mode *modes;
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struct qxl_bo *monitors_config_bo;
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struct qxl_monitors_config *monitors_config;
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/* last received client_monitors_config */
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struct qxl_monitors_config *client_monitors_config;
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int io_base;
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void *ram;
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struct qxl_mman mman;
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struct qxl_gem gem;
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struct qxl_mode_info mode_info;
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struct fb_info *fbdev_info;
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struct qxl_framebuffer *fbdev_qfb;
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void *ram_physical;
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struct qxl_ring *release_ring;
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struct qxl_ring *command_ring;
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struct qxl_ring *cursor_ring;
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struct qxl_ram_header *ram_header;
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bool primary_created;
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struct qxl_memslot *mem_slots;
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uint8_t n_mem_slots;
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uint8_t main_mem_slot;
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uint8_t surfaces_mem_slot;
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uint8_t slot_id_bits;
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uint8_t slot_gen_bits;
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uint64_t va_slot_mask;
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spinlock_t release_lock;
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struct idr release_idr;
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uint32_t release_seqno;
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spinlock_t release_idr_lock;
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struct mutex async_io_mutex;
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unsigned int last_sent_io_cmd;
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/* interrupt handling */
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atomic_t irq_received;
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atomic_t irq_received_display;
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atomic_t irq_received_cursor;
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atomic_t irq_received_io_cmd;
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unsigned irq_received_error;
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wait_queue_head_t display_event;
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wait_queue_head_t cursor_event;
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wait_queue_head_t io_cmd_event;
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struct work_struct client_monitors_config_work;
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/* debugfs */
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struct qxl_debugfs debugfs[QXL_DEBUGFS_MAX_COMPONENTS];
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unsigned debugfs_count;
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struct mutex update_area_mutex;
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struct idr surf_id_idr;
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spinlock_t surf_id_idr_lock;
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int last_alloced_surf_id;
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struct mutex surf_evict_mutex;
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struct io_mapping *vram_mapping;
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struct io_mapping *surface_mapping;
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/* */
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struct mutex release_mutex;
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struct qxl_bo *current_release_bo[3];
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int current_release_bo_offset[3];
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struct work_struct gc_work;
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struct drm_property *hotplug_mode_update_property;
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int monitors_config_width;
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int monitors_config_height;
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};
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extern const struct drm_ioctl_desc qxl_ioctls[];
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extern int qxl_max_ioctl;
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int qxl_device_init(struct qxl_device *qdev, struct drm_driver *drv,
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struct pci_dev *pdev);
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void qxl_device_fini(struct qxl_device *qdev);
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int qxl_modeset_init(struct qxl_device *qdev);
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void qxl_modeset_fini(struct qxl_device *qdev);
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int qxl_bo_init(struct qxl_device *qdev);
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void qxl_bo_fini(struct qxl_device *qdev);
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void qxl_reinit_memslots(struct qxl_device *qdev);
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int qxl_surf_evict(struct qxl_device *qdev);
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int qxl_vram_evict(struct qxl_device *qdev);
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struct qxl_ring *qxl_ring_create(struct qxl_ring_header *header,
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int element_size,
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int n_elements,
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int prod_notify,
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bool set_prod_notify,
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wait_queue_head_t *push_event);
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void qxl_ring_free(struct qxl_ring *ring);
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void qxl_ring_init_hdr(struct qxl_ring *ring);
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int qxl_check_idle(struct qxl_ring *ring);
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static inline void *
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qxl_fb_virtual_address(struct qxl_device *qdev, unsigned long physical)
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{
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DRM_DEBUG_DRIVER("not implemented (%lu)\n", physical);
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return 0;
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}
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static inline uint64_t
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qxl_bo_physical_address(struct qxl_device *qdev, struct qxl_bo *bo,
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unsigned long offset)
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{
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int slot_id = bo->type == QXL_GEM_DOMAIN_VRAM ? qdev->main_mem_slot : qdev->surfaces_mem_slot;
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struct qxl_memslot *slot = &(qdev->mem_slots[slot_id]);
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/* TODO - need to hold one of the locks to read tbo.offset */
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return slot->high_bits | (bo->tbo.offset + offset);
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}
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/* qxl_fb.c */
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#define QXLFB_CONN_LIMIT 1
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int qxl_fbdev_init(struct qxl_device *qdev);
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void qxl_fbdev_fini(struct qxl_device *qdev);
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int qxl_get_handle_for_primary_fb(struct qxl_device *qdev,
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struct drm_file *file_priv,
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uint32_t *handle);
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void qxl_fbdev_set_suspend(struct qxl_device *qdev, int state);
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/* qxl_display.c */
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void qxl_user_framebuffer_destroy(struct drm_framebuffer *fb);
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int
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qxl_framebuffer_init(struct drm_device *dev,
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struct qxl_framebuffer *rfb,
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const struct drm_mode_fb_cmd2 *mode_cmd,
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struct drm_gem_object *obj,
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const struct drm_framebuffer_funcs *funcs);
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void qxl_display_read_client_monitors_config(struct qxl_device *qdev);
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int qxl_create_monitors_object(struct qxl_device *qdev);
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int qxl_destroy_monitors_object(struct qxl_device *qdev);
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/* qxl_gem.c */
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void qxl_gem_init(struct qxl_device *qdev);
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void qxl_gem_fini(struct qxl_device *qdev);
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int qxl_gem_object_create(struct qxl_device *qdev, int size,
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int alignment, int initial_domain,
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||
|
|
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);
|
||
|
|
int 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);
|
||
|
|
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 */
|
||
|
|
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);
|
||
|
|
|
||
|
|
#endif
|