| 1 | /* $Id: vbox_drv.h 66544 2017-04-12 17:02:30Z vboxsync $ */
|
|---|
| 2 | /** @file
|
|---|
| 3 | * VirtualBox Additions Linux kernel video driver
|
|---|
| 4 | */
|
|---|
| 5 |
|
|---|
| 6 | /*
|
|---|
| 7 | * Copyright (C) 2013-2017 Oracle Corporation
|
|---|
| 8 | * This file is based on ast_drv.h
|
|---|
| 9 | * Copyright 2012 Red Hat Inc.
|
|---|
| 10 | *
|
|---|
| 11 | * Permission is hereby granted, free of charge, to any person obtaining a
|
|---|
| 12 | * copy of this software and associated documentation files (the
|
|---|
| 13 | * "Software"), to deal in the Software without restriction, including
|
|---|
| 14 | * without limitation the rights to use, copy, modify, merge, publish,
|
|---|
| 15 | * distribute, sub license, and/or sell copies of the Software, and to
|
|---|
| 16 | * permit persons to whom the Software is furnished to do so, subject to
|
|---|
| 17 | * the following conditions:
|
|---|
| 18 | *
|
|---|
| 19 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
|
|---|
| 20 | * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
|
|---|
| 21 | * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL
|
|---|
| 22 | * THE COPYRIGHT HOLDERS, AUTHORS AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM,
|
|---|
| 23 | * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
|
|---|
| 24 | * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
|
|---|
| 25 | * USE OR OTHER DEALINGS IN THE SOFTWARE.
|
|---|
| 26 | *
|
|---|
| 27 | * The above copyright notice and this permission notice (including the
|
|---|
| 28 | * next paragraph) shall be included in all copies or substantial portions
|
|---|
| 29 | * of the Software.
|
|---|
| 30 | *
|
|---|
| 31 | * Authors: Dave Airlie <[email protected]>
|
|---|
| 32 | * Michael Thayer <[email protected],
|
|---|
| 33 | * Hans de Goede <[email protected]>
|
|---|
| 34 | */
|
|---|
| 35 | #ifndef __VBOX_DRV_H__
|
|---|
| 36 | #define __VBOX_DRV_H__
|
|---|
| 37 |
|
|---|
| 38 | #define LOG_GROUP LOG_GROUP_DEV_VGA
|
|---|
| 39 |
|
|---|
| 40 | #include <VBoxVideoGuest.h>
|
|---|
| 41 |
|
|---|
| 42 | #include <drm/drmP.h>
|
|---|
| 43 | #include <drm/drm_fb_helper.h>
|
|---|
| 44 |
|
|---|
| 45 | #include <drm/ttm/ttm_bo_api.h>
|
|---|
| 46 | #include <drm/ttm/ttm_bo_driver.h>
|
|---|
| 47 | #include <drm/ttm/ttm_placement.h>
|
|---|
| 48 | #include <drm/ttm/ttm_memory.h>
|
|---|
| 49 | #include <drm/ttm/ttm_module.h>
|
|---|
| 50 |
|
|---|
| 51 | #if LINUX_VERSION_CODE >= KERNEL_VERSION(3, 18, 0)
|
|---|
| 52 | # include <drm/drm_gem.h>
|
|---|
| 53 | #endif
|
|---|
| 54 | #if LINUX_VERSION_CODE >= KERNEL_VERSION(4, 11, 0)
|
|---|
| 55 | # include <drm/drm_encoder.h>
|
|---|
| 56 | #endif
|
|---|
| 57 |
|
|---|
| 58 | /* #include "vboxvideo.h" */
|
|---|
| 59 |
|
|---|
| 60 | #include "product-generated.h"
|
|---|
| 61 |
|
|---|
| 62 | #define DRIVER_AUTHOR VBOX_VENDOR
|
|---|
| 63 |
|
|---|
| 64 | #define DRIVER_NAME "vboxvideo"
|
|---|
| 65 | #define DRIVER_DESC VBOX_PRODUCT " Graphics Card"
|
|---|
| 66 | #define DRIVER_DATE "20130823"
|
|---|
| 67 |
|
|---|
| 68 | #define DRIVER_MAJOR 1
|
|---|
| 69 | #define DRIVER_MINOR 0
|
|---|
| 70 | #define DRIVER_PATCHLEVEL 0
|
|---|
| 71 |
|
|---|
| 72 | #define VBOX_MAX_CURSOR_WIDTH 64
|
|---|
| 73 | #define VBOX_MAX_CURSOR_HEIGHT 64
|
|---|
| 74 | #define CURSOR_PIXEL_COUNT VBOX_MAX_CURSOR_WIDTH * VBOX_MAX_CURSOR_HEIGHT
|
|---|
| 75 | #define CURSOR_DATA_SIZE CURSOR_PIXEL_COUNT * 4 + CURSOR_PIXEL_COUNT / 8
|
|---|
| 76 |
|
|---|
| 77 | #define VBOX_MAX_SCREENS 32
|
|---|
| 78 |
|
|---|
| 79 | #define GUEST_HEAP_OFFSET(vbox) (vbox->full_vram_size - VBVA_ADAPTER_INFORMATION_SIZE)
|
|---|
| 80 | #define GUEST_HEAP_SIZE VBVA_ADAPTER_INFORMATION_SIZE
|
|---|
| 81 | #define GUEST_HEAP_USABLE_SIZE (VBVA_ADAPTER_INFORMATION_SIZE - \
|
|---|
| 82 | sizeof(HGSMIHOSTFLAGS))
|
|---|
| 83 | #define HOST_FLAGS_OFFSET GUEST_HEAP_USABLE_SIZE
|
|---|
| 84 |
|
|---|
| 85 | struct vbox_fbdev;
|
|---|
| 86 |
|
|---|
| 87 | struct vbox_private {
|
|---|
| 88 | struct drm_device *dev;
|
|---|
| 89 |
|
|---|
| 90 | u8 __iomem *guest_heap;
|
|---|
| 91 | u8 __iomem *vbva_buffers;
|
|---|
| 92 | HGSMIGUESTCOMMANDCONTEXT submit_info;
|
|---|
| 93 | struct VBVABUFFERCONTEXT *vbva_info;
|
|---|
| 94 | bool any_pitch;
|
|---|
| 95 | unsigned num_crtcs;
|
|---|
| 96 | /** Amount of available VRAM, including space used for buffers. */
|
|---|
| 97 | uint32_t full_vram_size;
|
|---|
| 98 | /** Amount of available VRAM, not including space used for buffers. */
|
|---|
| 99 | uint32_t available_vram_size;
|
|---|
| 100 | /** Array of structures for receiving mode hints. */
|
|---|
| 101 | VBVAMODEHINT *last_mode_hints;
|
|---|
| 102 |
|
|---|
| 103 | struct vbox_fbdev *fbdev;
|
|---|
| 104 |
|
|---|
| 105 | int fb_mtrr;
|
|---|
| 106 |
|
|---|
| 107 | struct {
|
|---|
| 108 | struct drm_global_reference mem_global_ref;
|
|---|
| 109 | struct ttm_bo_global_ref bo_global_ref;
|
|---|
| 110 | struct ttm_bo_device bdev;
|
|---|
| 111 | bool mm_initialised;
|
|---|
| 112 | } ttm;
|
|---|
| 113 |
|
|---|
| 114 | struct mutex hw_mutex;
|
|---|
| 115 | bool isr_installed;
|
|---|
| 116 | /** We decide whether or not user-space supports display hot-plug
|
|---|
| 117 | * depending on whether they react to a hot-plug event after the initial
|
|---|
| 118 | * mode query. */
|
|---|
| 119 | bool initial_mode_queried;
|
|---|
| 120 | struct work_struct hotplug_work;
|
|---|
| 121 | uint32_t input_mapping_width;
|
|---|
| 122 | uint32_t input_mapping_height;
|
|---|
| 123 | /** Is user-space using an X.Org-style layout of one large frame-buffer
|
|---|
| 124 | * encompassing all screen ones or is the fbdev console active? */
|
|---|
| 125 | bool single_framebuffer;
|
|---|
| 126 | uint32_t cursor_width;
|
|---|
| 127 | uint32_t cursor_height;
|
|---|
| 128 | uint32_t cursor_hot_x;
|
|---|
| 129 | uint32_t cursor_hot_y;
|
|---|
| 130 | size_t cursor_data_size;
|
|---|
| 131 | uint8_t cursor_data[CURSOR_DATA_SIZE];
|
|---|
| 132 | };
|
|---|
| 133 |
|
|---|
| 134 | #undef CURSOR_PIXEL_COUNT
|
|---|
| 135 | #undef CURSOR_DATA_SIZE
|
|---|
| 136 |
|
|---|
| 137 | int vbox_driver_load(struct drm_device *dev, unsigned long flags);
|
|---|
| 138 | #if LINUX_VERSION_CODE >= KERNEL_VERSION(4, 11, 0)
|
|---|
| 139 | void vbox_driver_unload(struct drm_device *dev);
|
|---|
| 140 | #else
|
|---|
| 141 | int vbox_driver_unload(struct drm_device *dev);
|
|---|
| 142 | #endif
|
|---|
| 143 | void vbox_driver_lastclose(struct drm_device *dev);
|
|---|
| 144 |
|
|---|
| 145 | struct vbox_gem_object;
|
|---|
| 146 |
|
|---|
| 147 | #ifndef VGA_PORT_HGSMI_HOST
|
|---|
| 148 | # define VGA_PORT_HGSMI_HOST 0x3b0
|
|---|
| 149 | # define VGA_PORT_HGSMI_GUEST 0x3d0
|
|---|
| 150 | #endif
|
|---|
| 151 |
|
|---|
| 152 | struct vbox_connector {
|
|---|
| 153 | struct drm_connector base;
|
|---|
| 154 | char name[32];
|
|---|
| 155 | struct vbox_crtc *vbox_crtc;
|
|---|
| 156 | struct {
|
|---|
| 157 | uint16_t width;
|
|---|
| 158 | uint16_t height;
|
|---|
| 159 | bool disconnected;
|
|---|
| 160 | } mode_hint;
|
|---|
| 161 | };
|
|---|
| 162 |
|
|---|
| 163 | struct vbox_crtc {
|
|---|
| 164 | struct drm_crtc base;
|
|---|
| 165 | bool blanked;
|
|---|
| 166 | bool disconnected;
|
|---|
| 167 | unsigned crtc_id;
|
|---|
| 168 | uint32_t fb_offset;
|
|---|
| 169 | bool cursor_enabled;
|
|---|
| 170 | uint16_t x_hint;
|
|---|
| 171 | uint16_t y_hint;
|
|---|
| 172 | };
|
|---|
| 173 |
|
|---|
| 174 | struct vbox_encoder {
|
|---|
| 175 | struct drm_encoder base;
|
|---|
| 176 | };
|
|---|
| 177 |
|
|---|
| 178 | struct vbox_framebuffer {
|
|---|
| 179 | struct drm_framebuffer base;
|
|---|
| 180 | struct drm_gem_object *obj;
|
|---|
| 181 | };
|
|---|
| 182 |
|
|---|
| 183 | struct vbox_fbdev {
|
|---|
| 184 | struct drm_fb_helper helper;
|
|---|
| 185 | struct vbox_framebuffer afb;
|
|---|
| 186 | int size;
|
|---|
| 187 | struct ttm_bo_kmap_obj mapping;
|
|---|
| 188 | int x1, y1, x2, y2; /* dirty rect */
|
|---|
| 189 | spinlock_t dirty_lock;
|
|---|
| 190 | };
|
|---|
| 191 |
|
|---|
| 192 | #define to_vbox_crtc(x) container_of(x, struct vbox_crtc, base)
|
|---|
| 193 | #define to_vbox_connector(x) container_of(x, struct vbox_connector, base)
|
|---|
| 194 | #define to_vbox_encoder(x) container_of(x, struct vbox_encoder, base)
|
|---|
| 195 | #define to_vbox_framebuffer(x) container_of(x, struct vbox_framebuffer, base)
|
|---|
| 196 |
|
|---|
| 197 | extern int vbox_mode_init(struct drm_device *dev);
|
|---|
| 198 | extern void vbox_mode_fini(struct drm_device *dev);
|
|---|
| 199 |
|
|---|
| 200 | #if LINUX_VERSION_CODE < KERNEL_VERSION(3, 3, 0)
|
|---|
| 201 | # define DRM_MODE_FB_CMD drm_mode_fb_cmd
|
|---|
| 202 | #else
|
|---|
| 203 | # define DRM_MODE_FB_CMD drm_mode_fb_cmd2
|
|---|
| 204 | #endif
|
|---|
| 205 |
|
|---|
| 206 | #if LINUX_VERSION_CODE < KERNEL_VERSION(3, 15, 0)
|
|---|
| 207 | # define CRTC_FB(crtc) (crtc)->fb
|
|---|
| 208 | #else
|
|---|
| 209 | # define CRTC_FB(crtc) (crtc)->primary->fb
|
|---|
| 210 | #endif
|
|---|
| 211 |
|
|---|
| 212 | void vbox_enable_accel(struct vbox_private *vbox);
|
|---|
| 213 | void vbox_disable_accel(struct vbox_private *vbox);
|
|---|
| 214 | void vbox_report_caps(struct vbox_private *vbox);
|
|---|
| 215 |
|
|---|
| 216 | void vbox_framebuffer_dirty_rectangles(struct drm_framebuffer *fb,
|
|---|
| 217 | struct drm_clip_rect *rects,
|
|---|
| 218 | unsigned num_rects);
|
|---|
| 219 |
|
|---|
| 220 | int vbox_framebuffer_init(struct drm_device *dev,
|
|---|
| 221 | struct vbox_framebuffer *vbox_fb,
|
|---|
| 222 | #if LINUX_VERSION_CODE >= KERNEL_VERSION(4, 5, 0)
|
|---|
| 223 | const
|
|---|
| 224 | #endif
|
|---|
| 225 | struct DRM_MODE_FB_CMD *mode_cmd,
|
|---|
| 226 | struct drm_gem_object *obj);
|
|---|
| 227 |
|
|---|
| 228 | int vbox_fbdev_init(struct drm_device *dev);
|
|---|
| 229 | void vbox_fbdev_fini(struct drm_device *dev);
|
|---|
| 230 | void vbox_fbdev_set_suspend(struct drm_device *dev, int state);
|
|---|
| 231 | void vbox_fbdev_set_base(struct vbox_private *vbox, unsigned long gpu_addr);
|
|---|
| 232 |
|
|---|
| 233 | struct vbox_bo {
|
|---|
| 234 | struct ttm_buffer_object bo;
|
|---|
| 235 | struct ttm_placement placement;
|
|---|
| 236 | struct ttm_bo_kmap_obj kmap;
|
|---|
| 237 | struct drm_gem_object gem;
|
|---|
| 238 | #if LINUX_VERSION_CODE < KERNEL_VERSION(3, 18, 0)
|
|---|
| 239 | u32 placements[3];
|
|---|
| 240 | #else
|
|---|
| 241 | struct ttm_place placements[3];
|
|---|
| 242 | #endif
|
|---|
| 243 | int pin_count;
|
|---|
| 244 | };
|
|---|
| 245 | #define gem_to_vbox_bo(gobj) container_of((gobj), struct vbox_bo, gem)
|
|---|
| 246 |
|
|---|
| 247 | static inline struct vbox_bo *
|
|---|
| 248 | vbox_bo(struct ttm_buffer_object *bo)
|
|---|
| 249 | {
|
|---|
| 250 | return container_of(bo, struct vbox_bo, bo);
|
|---|
| 251 | }
|
|---|
| 252 |
|
|---|
| 253 |
|
|---|
| 254 | #define to_vbox_obj(x) container_of(x, struct vbox_gem_object, base)
|
|---|
| 255 |
|
|---|
| 256 | extern int vbox_dumb_create(struct drm_file *file,
|
|---|
| 257 | struct drm_device *dev,
|
|---|
| 258 | struct drm_mode_create_dumb *args);
|
|---|
| 259 | #if LINUX_VERSION_CODE < KERNEL_VERSION(3, 12, 0)
|
|---|
| 260 | extern int vbox_dumb_destroy(struct drm_file *file,
|
|---|
| 261 | struct drm_device *dev,
|
|---|
| 262 | uint32_t handle);
|
|---|
| 263 | #endif
|
|---|
| 264 |
|
|---|
| 265 | extern void vbox_gem_free_object(struct drm_gem_object *obj);
|
|---|
| 266 | extern int vbox_dumb_mmap_offset(struct drm_file *file,
|
|---|
| 267 | struct drm_device *dev,
|
|---|
| 268 | uint32_t handle,
|
|---|
| 269 | uint64_t *offset);
|
|---|
| 270 |
|
|---|
| 271 | #define DRM_FILE_PAGE_OFFSET (0x10000000ULL >> PAGE_SHIFT)
|
|---|
| 272 |
|
|---|
| 273 | int vbox_mm_init(struct vbox_private *vbox);
|
|---|
| 274 | void vbox_mm_fini(struct vbox_private *vbox);
|
|---|
| 275 |
|
|---|
| 276 | int vbox_bo_create(struct drm_device *dev, int size, int align,
|
|---|
| 277 | uint32_t flags, struct vbox_bo **pvboxbo);
|
|---|
| 278 |
|
|---|
| 279 | int vbox_gem_create(struct drm_device *dev,
|
|---|
| 280 | u32 size, bool iskernel,
|
|---|
| 281 | struct drm_gem_object **obj);
|
|---|
| 282 |
|
|---|
| 283 | int vbox_bo_pin(struct vbox_bo *bo, u32 pl_flag, u64 *gpu_addr);
|
|---|
| 284 | int vbox_bo_unpin(struct vbox_bo *bo);
|
|---|
| 285 |
|
|---|
| 286 | static inline int vbox_bo_reserve(struct vbox_bo *bo, bool no_wait)
|
|---|
| 287 | {
|
|---|
| 288 | int ret;
|
|---|
| 289 |
|
|---|
| 290 | #if LINUX_VERSION_CODE >= KERNEL_VERSION(4, 7, 0)
|
|---|
| 291 | ret = ttm_bo_reserve(&bo->bo, true, no_wait, NULL);
|
|---|
| 292 | #else
|
|---|
| 293 | ret = ttm_bo_reserve(&bo->bo, true, no_wait, false, 0);
|
|---|
| 294 | #endif
|
|---|
| 295 | if (ret)
|
|---|
| 296 | {
|
|---|
| 297 | if (ret != -ERESTARTSYS && ret != -EBUSY)
|
|---|
| 298 | DRM_ERROR("reserve failed %p\n", bo);
|
|---|
| 299 | return ret;
|
|---|
| 300 | }
|
|---|
| 301 | return 0;
|
|---|
| 302 | }
|
|---|
| 303 |
|
|---|
| 304 | static inline void vbox_bo_unreserve(struct vbox_bo *bo)
|
|---|
| 305 | {
|
|---|
| 306 | ttm_bo_unreserve(&bo->bo);
|
|---|
| 307 | }
|
|---|
| 308 |
|
|---|
| 309 | void vbox_ttm_placement(struct vbox_bo *bo, int domain);
|
|---|
| 310 | int vbox_bo_push_sysram(struct vbox_bo *bo);
|
|---|
| 311 | int vbox_mmap(struct file *filp, struct vm_area_struct *vma);
|
|---|
| 312 |
|
|---|
| 313 | /*vbox_prime*/
|
|---|
| 314 | int vbox_gem_prime_pin(struct drm_gem_object *obj);
|
|---|
| 315 | void vbox_gem_prime_unpin(struct drm_gem_object *obj);
|
|---|
| 316 | struct sg_table *vbox_gem_prime_get_sg_table(struct drm_gem_object *obj);
|
|---|
| 317 | struct drm_gem_object *vbox_gem_prime_import_sg_table(
|
|---|
| 318 | struct drm_device *dev,
|
|---|
| 319 | #if LINUX_VERSION_CODE < KERNEL_VERSION(3, 18, 0)
|
|---|
| 320 | size_t size,
|
|---|
| 321 | #else
|
|---|
| 322 | struct dma_buf_attachment *attach,
|
|---|
| 323 | #endif
|
|---|
| 324 | struct sg_table *table);
|
|---|
| 325 | void *vbox_gem_prime_vmap(struct drm_gem_object *obj);
|
|---|
| 326 | void vbox_gem_prime_vunmap(struct drm_gem_object *obj, void *vaddr);
|
|---|
| 327 | int vbox_gem_prime_mmap(struct drm_gem_object *obj,
|
|---|
| 328 | struct vm_area_struct *area);
|
|---|
| 329 |
|
|---|
| 330 | /* vbox_irq.c */
|
|---|
| 331 | int vbox_irq_init(struct vbox_private *vbox);
|
|---|
| 332 | void vbox_irq_fini(struct vbox_private *vbox);
|
|---|
| 333 | void vbox_report_hotplug(struct vbox_private *vbox);
|
|---|
| 334 | irqreturn_t vbox_irq_handler(int irq, void *arg);
|
|---|
| 335 | #endif
|
|---|
