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1/*
2 * Copyright 2013 Red Hat Inc.
3 *
4 * Permission is hereby granted, free of charge, to any person obtaining a
5 * copy of this software and associated documentation files (the "Software"),
6 * to deal in the Software without restriction, including without limitation
7 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
8 * and/or sell copies of the Software, and to permit persons to whom the
9 * Software is furnished to do so, subject to the following conditions:
10 *
11 * The above copyright notice and this permission notice shall be included in
12 * all copies or substantial portions of the Software.
13 *
14 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
15 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
16 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
17 * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
18 * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
19 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
20 * OTHER DEALINGS IN THE SOFTWARE.
21 *
22 * Authors: Dave Airlie
23 * Alon Levy
24 */
25
26
27#ifndef QXL_DRV_H
28#define QXL_DRV_H
29
30/*
31 * Definitions taken from spice-protocol, plus kernel driver specific bits.
32 */
33
34#include <linux/fence.h>
35#include <linux/workqueue.h>
36#include <linux/firmware.h>
37#include <linux/platform_device.h>
38
39#include "drmP.h"
40#include "drm_crtc.h"
41#include <ttm/ttm_bo_api.h>
42#include <ttm/ttm_bo_driver.h>
43#include <ttm/ttm_placement.h>
44#include <ttm/ttm_module.h>
45
46#include <drm/drm_gem.h>
47
48/* just for ttm_validate_buffer */
49#include <ttm/ttm_execbuf_util.h>
50
51#include <drm/qxl_drm.h>
52#include "qxl_dev.h"
53
54#define DRIVER_AUTHOR "Dave Airlie"
55
56#define DRIVER_NAME "qxl"
57#define DRIVER_DESC "RH QXL"
58#define DRIVER_DATE "20120117"
59
60#define DRIVER_MAJOR 0
61#define DRIVER_MINOR 1
62#define DRIVER_PATCHLEVEL 0
63
64#define QXL_DEBUGFS_MAX_COMPONENTS 32
65
66extern int qxl_log_level;
67extern int qxl_num_crtc;
68
69enum {
70 QXL_INFO_LEVEL = 1,
71 QXL_DEBUG_LEVEL = 2,
72};
73
74#define QXL_INFO(qdev, fmt, ...) do { \
75 if (qxl_log_level >= QXL_INFO_LEVEL) { \
76 qxl_io_log(qdev, fmt, __VA_ARGS__); \
77 } \
78 } while (0)
79#define QXL_DEBUG(qdev, fmt, ...) do { \
80 if (qxl_log_level >= QXL_DEBUG_LEVEL) { \
81 qxl_io_log(qdev, fmt, __VA_ARGS__); \
82 } \
83 } while (0)
84#define QXL_INFO_ONCE(qdev, fmt, ...) do { \
85 static int done; \
86 if (!done) { \
87 done = 1; \
88 QXL_INFO(qdev, fmt, __VA_ARGS__); \
89 } \
90 } while (0)
91
92#define DRM_FILE_OFFSET 0x100000000ULL
93#define DRM_FILE_PAGE_OFFSET (DRM_FILE_OFFSET >> PAGE_SHIFT)
94
95#define QXL_INTERRUPT_MASK (\
96 QXL_INTERRUPT_DISPLAY |\
97 QXL_INTERRUPT_CURSOR |\
98 QXL_INTERRUPT_IO_CMD |\
99 QXL_INTERRUPT_CLIENT_MONITORS_CONFIG)
100
101struct qxl_bo {
102 /* Protected by gem.mutex */
103 struct list_head list;
104 /* Protected by tbo.reserved */
105 struct ttm_place placements[3];
106 struct ttm_placement placement;
107 struct ttm_buffer_object tbo;
108 struct ttm_bo_kmap_obj kmap;
109 unsigned pin_count;
110 void *kptr;
111 int type;
112
113 /* Constant after initialization */
114 struct drm_gem_object gem_base;
115 bool is_primary; /* is this now a primary surface */
116 bool hw_surf_alloc;
117 struct qxl_surface surf;
118 uint32_t surface_id;
119 struct qxl_release *surf_create;
120};
121#define gem_to_qxl_bo(gobj) container_of((gobj), struct qxl_bo, gem_base)
122#define to_qxl_bo(tobj) container_of((tobj), struct qxl_bo, tbo)
123
124struct qxl_gem {
125 struct mutex mutex;
126 struct list_head objects;
127};
128
129struct qxl_bo_list {
130 struct ttm_validate_buffer tv;
131};
132
133struct qxl_crtc {
134 struct drm_crtc base;
135 int index;
136 int cur_x;
137 int cur_y;
138 int hot_spot_x;
139 int hot_spot_y;
140};
141
142struct qxl_output {
143 int index;
144 struct drm_connector base;
145 struct drm_encoder enc;
146};
147
148struct qxl_framebuffer {
149 struct drm_framebuffer base;
150 struct drm_gem_object *obj;
151};
152
153#define to_qxl_crtc(x) container_of(x, struct qxl_crtc, base)
154#define drm_connector_to_qxl_output(x) container_of(x, struct qxl_output, base)
155#define drm_encoder_to_qxl_output(x) container_of(x, struct qxl_output, enc)
156#define to_qxl_framebuffer(x) container_of(x, struct qxl_framebuffer, base)
157
158struct qxl_mman {
159 struct ttm_bo_global_ref bo_global_ref;
160 struct drm_global_reference mem_global_ref;
161 bool mem_global_referenced;
162 struct ttm_bo_device bdev;
163};
164
165struct qxl_mode_info {
166 int num_modes;
167 struct qxl_mode *modes;
168 bool mode_config_initialized;
169
170 /* pointer to fbdev info structure */
171 struct qxl_fbdev *qfbdev;
172};
173
174
175struct qxl_memslot {
176 uint8_t generation;
177 uint64_t start_phys_addr;
178 uint64_t end_phys_addr;
179 uint64_t high_bits;
180};
181
182enum {
183 QXL_RELEASE_DRAWABLE,
184 QXL_RELEASE_SURFACE_CMD,
185 QXL_RELEASE_CURSOR_CMD,
186};
187
188/* drm_ prefix to differentiate from qxl_release_info in
189 * spice-protocol/qxl_dev.h */
190#define QXL_MAX_RES 96
191struct qxl_release {
192 struct fence base;
193
194 int id;
195 int type;
196 uint32_t release_offset;
197 uint32_t surface_release_id;
198 struct ww_acquire_ctx ticket;
199 struct list_head bos;
200};
201
202struct qxl_drm_chunk {
203 struct list_head head;
204 struct qxl_bo *bo;
205};
206
207struct qxl_drm_image {
208 struct qxl_bo *bo;
209 struct list_head chunk_list;
210};
211
212struct qxl_fb_image {
213 struct qxl_device *qdev;
214 uint32_t pseudo_palette[16];
215 struct fb_image fb_image;
216 uint32_t visual;
217};
218
219struct qxl_draw_fill {
220 struct qxl_device *qdev;
221 struct qxl_rect rect;
222 uint32_t color;
223 uint16_t rop;
224};
225
226/*
227 * Debugfs
228 */
229struct qxl_debugfs {
230 struct drm_info_list *files;
231 unsigned num_files;
232};
233
234int qxl_debugfs_add_files(struct qxl_device *rdev,
235 struct drm_info_list *files,
236 unsigned nfiles);
237int qxl_debugfs_fence_init(struct qxl_device *rdev);
238void qxl_debugfs_remove_files(struct qxl_device *qdev);
239
240struct qxl_device;
241
242struct qxl_device {
243 struct device *dev;
244 struct drm_device *ddev;
245 struct pci_dev *pdev;
246 unsigned long flags;
247
248 resource_size_t vram_base, vram_size;
249 resource_size_t surfaceram_base, surfaceram_size;
250 resource_size_t rom_base, rom_size;
251 struct qxl_rom *rom;
252
253 struct qxl_mode *modes;
254 struct qxl_bo *monitors_config_bo;
255 struct qxl_monitors_config *monitors_config;
256
257 /* last received client_monitors_config */
258 struct qxl_monitors_config *client_monitors_config;
259
260 int io_base;
261 void *ram;
262 struct qxl_mman mman;
263 struct qxl_gem gem;
264 struct qxl_mode_info mode_info;
265
266 struct fb_info *fbdev_info;
267 struct qxl_framebuffer *fbdev_qfb;
268 void *ram_physical;
269
270 struct qxl_ring *release_ring;
271 struct qxl_ring *command_ring;
272 struct qxl_ring *cursor_ring;
273
274 struct qxl_ram_header *ram_header;
275
276 bool primary_created;
277
278 struct qxl_memslot *mem_slots;
279 uint8_t n_mem_slots;
280
281 uint8_t main_mem_slot;
282 uint8_t surfaces_mem_slot;
283 uint8_t slot_id_bits;
284 uint8_t slot_gen_bits;
285 uint64_t va_slot_mask;
286
287 spinlock_t release_lock;
288 struct idr release_idr;
289 uint32_t release_seqno;
290 spinlock_t release_idr_lock;
291 struct mutex async_io_mutex;
292 unsigned int last_sent_io_cmd;
293
294 /* interrupt handling */
295 atomic_t irq_received;
296 atomic_t irq_received_display;
297 atomic_t irq_received_cursor;
298 atomic_t irq_received_io_cmd;
299 unsigned irq_received_error;
300 wait_queue_head_t display_event;
301 wait_queue_head_t cursor_event;
302 wait_queue_head_t io_cmd_event;
303 struct work_struct client_monitors_config_work;
304
305 /* debugfs */
306 struct qxl_debugfs debugfs[QXL_DEBUGFS_MAX_COMPONENTS];
307 unsigned debugfs_count;
308
309 struct mutex update_area_mutex;
310
311 struct idr surf_id_idr;
312 spinlock_t surf_id_idr_lock;
313 int last_alloced_surf_id;
314
315 struct mutex surf_evict_mutex;
316 struct io_mapping *vram_mapping;
317 struct io_mapping *surface_mapping;
318
319 /* */
320 struct mutex release_mutex;
321 struct qxl_bo *current_release_bo[3];
322 int current_release_bo_offset[3];
323
324 struct workqueue_struct *gc_queue;
325 struct work_struct gc_work;
326
327 struct work_struct fb_work;
328
329 struct drm_property *hotplug_mode_update_property;
330 int monitors_config_width;
331 int monitors_config_height;
332};
333
334/* forward declaration for QXL_INFO_IO */
335__printf(2,3) void qxl_io_log(struct qxl_device *qdev, const char *fmt, ...);
336
337extern const struct drm_ioctl_desc qxl_ioctls[];
338extern int qxl_max_ioctl;
339
340int qxl_driver_load(struct drm_device *dev, unsigned long flags);
341int qxl_driver_unload(struct drm_device *dev);
342
343int qxl_modeset_init(struct qxl_device *qdev);
344void qxl_modeset_fini(struct qxl_device *qdev);
345
346int qxl_bo_init(struct qxl_device *qdev);
347void qxl_bo_fini(struct qxl_device *qdev);
348
349void qxl_reinit_memslots(struct qxl_device *qdev);
350int qxl_surf_evict(struct qxl_device *qdev);
351int qxl_vram_evict(struct qxl_device *qdev);
352
353struct qxl_ring *qxl_ring_create(struct qxl_ring_header *header,
354 int element_size,
355 int n_elements,
356 int prod_notify,
357 bool set_prod_notify,
358 wait_queue_head_t *push_event);
359void qxl_ring_free(struct qxl_ring *ring);
360void qxl_ring_init_hdr(struct qxl_ring *ring);
361int qxl_check_idle(struct qxl_ring *ring);
362
363static inline void *
364qxl_fb_virtual_address(struct qxl_device *qdev, unsigned long physical)
365{
366 QXL_INFO(qdev, "not implemented (%lu)\n", physical);
367 return 0;
368}
369
370static inline uint64_t
371qxl_bo_physical_address(struct qxl_device *qdev, struct qxl_bo *bo,
372 unsigned long offset)
373{
374 int slot_id = bo->type == QXL_GEM_DOMAIN_VRAM ? qdev->main_mem_slot : qdev->surfaces_mem_slot;
375 struct qxl_memslot *slot = &(qdev->mem_slots[slot_id]);
376
377 /* TODO - need to hold one of the locks to read tbo.offset */
378 return slot->high_bits | (bo->tbo.offset + offset);
379}
380
381/* qxl_fb.c */
382#define QXLFB_CONN_LIMIT 1
383
384int qxl_fbdev_init(struct qxl_device *qdev);
385void qxl_fbdev_fini(struct qxl_device *qdev);
386int qxl_get_handle_for_primary_fb(struct qxl_device *qdev,
387 struct drm_file *file_priv,
388 uint32_t *handle);
389void qxl_fbdev_set_suspend(struct qxl_device *qdev, int state);
390
391/* qxl_display.c */
392int
393qxl_framebuffer_init(struct drm_device *dev,
394 struct qxl_framebuffer *rfb,
395 const struct drm_mode_fb_cmd2 *mode_cmd,
396 struct drm_gem_object *obj);
397void qxl_display_read_client_monitors_config(struct qxl_device *qdev);
398void qxl_send_monitors_config(struct qxl_device *qdev);
399int qxl_create_monitors_object(struct qxl_device *qdev);
400int qxl_destroy_monitors_object(struct qxl_device *qdev);
401
402/* used by qxl_debugfs only */
403void qxl_crtc_set_from_monitors_config(struct qxl_device *qdev);
404void qxl_alloc_client_monitors_config(struct qxl_device *qdev, unsigned count);
405
406/* qxl_gem.c */
407int qxl_gem_init(struct qxl_device *qdev);
408void qxl_gem_fini(struct qxl_device *qdev);
409int qxl_gem_object_create(struct qxl_device *qdev, int size,
410 int alignment, int initial_domain,
411 bool discardable, bool kernel,
412 struct qxl_surface *surf,
413 struct drm_gem_object **obj);
414int qxl_gem_object_create_with_handle(struct qxl_device *qdev,
415 struct drm_file *file_priv,
416 u32 domain,
417 size_t size,
418 struct qxl_surface *surf,
419 struct qxl_bo **qobj,
420 uint32_t *handle);
421void qxl_gem_object_free(struct drm_gem_object *gobj);
422int qxl_gem_object_open(struct drm_gem_object *obj, struct drm_file *file_priv);
423void qxl_gem_object_close(struct drm_gem_object *obj,
424 struct drm_file *file_priv);
425void qxl_bo_force_delete(struct qxl_device *qdev);
426int qxl_bo_kmap(struct qxl_bo *bo, void **ptr);
427
428/* qxl_dumb.c */
429int qxl_mode_dumb_create(struct drm_file *file_priv,
430 struct drm_device *dev,
431 struct drm_mode_create_dumb *args);
432int qxl_mode_dumb_mmap(struct drm_file *filp,
433 struct drm_device *dev,
434 uint32_t handle, uint64_t *offset_p);
435
436
437/* qxl ttm */
438int qxl_ttm_init(struct qxl_device *qdev);
439void qxl_ttm_fini(struct qxl_device *qdev);
440int qxl_mmap(struct file *filp, struct vm_area_struct *vma);
441
442/* qxl image */
443
444int qxl_image_init(struct qxl_device *qdev,
445 struct qxl_release *release,
446 struct qxl_drm_image *dimage,
447 const uint8_t *data,
448 int x, int y, int width, int height,
449 int depth, int stride);
450int
451qxl_image_alloc_objects(struct qxl_device *qdev,
452 struct qxl_release *release,
453 struct qxl_drm_image **image_ptr,
454 int height, int stride);
455void qxl_image_free_objects(struct qxl_device *qdev, struct qxl_drm_image *dimage);
456
457void qxl_update_screen(struct qxl_device *qxl);
458
459/* qxl io operations (qxl_cmd.c) */
460
461void qxl_io_create_primary(struct qxl_device *qdev,
462 unsigned offset,
463 struct qxl_bo *bo);
464void qxl_io_destroy_primary(struct qxl_device *qdev);
465void qxl_io_memslot_add(struct qxl_device *qdev, uint8_t id);
466void qxl_io_notify_oom(struct qxl_device *qdev);
467
468int qxl_io_update_area(struct qxl_device *qdev, struct qxl_bo *surf,
469 const struct qxl_rect *area);
470
471void qxl_io_reset(struct qxl_device *qdev);
472void qxl_io_monitors_config(struct qxl_device *qdev);
473int qxl_ring_push(struct qxl_ring *ring, const void *new_elt, bool interruptible);
474void qxl_io_flush_release(struct qxl_device *qdev);
475void qxl_io_flush_surfaces(struct qxl_device *qdev);
476
477union qxl_release_info *qxl_release_map(struct qxl_device *qdev,
478 struct qxl_release *release);
479void qxl_release_unmap(struct qxl_device *qdev,
480 struct qxl_release *release,
481 union qxl_release_info *info);
482int qxl_release_list_add(struct qxl_release *release, struct qxl_bo *bo);
483int qxl_release_reserve_list(struct qxl_release *release, bool no_intr);
484void qxl_release_backoff_reserve_list(struct qxl_release *release);
485void qxl_release_fence_buffer_objects(struct qxl_release *release);
486
487int qxl_alloc_surface_release_reserved(struct qxl_device *qdev,
488 enum qxl_surface_cmd_type surface_cmd_type,
489 struct qxl_release *create_rel,
490 struct qxl_release **release);
491int qxl_alloc_release_reserved(struct qxl_device *qdev, unsigned long size,
492 int type, struct qxl_release **release,
493 struct qxl_bo **rbo);
494
495int
496qxl_push_command_ring_release(struct qxl_device *qdev, struct qxl_release *release,
497 uint32_t type, bool interruptible);
498int
499qxl_push_cursor_ring_release(struct qxl_device *qdev, struct qxl_release *release,
500 uint32_t type, bool interruptible);
501int qxl_alloc_bo_reserved(struct qxl_device *qdev,
502 struct qxl_release *release,
503 unsigned long size,
504 struct qxl_bo **_bo);
505/* qxl drawing commands */
506
507void qxl_draw_opaque_fb(const struct qxl_fb_image *qxl_fb_image,
508 int stride /* filled in if 0 */);
509
510void qxl_draw_dirty_fb(struct qxl_device *qdev,
511 struct qxl_framebuffer *qxl_fb,
512 struct qxl_bo *bo,
513 unsigned flags, unsigned color,
514 struct drm_clip_rect *clips,
515 unsigned num_clips, int inc);
516
517void qxl_draw_fill(struct qxl_draw_fill *qxl_draw_fill_rec);
518
519void qxl_draw_copyarea(struct qxl_device *qdev,
520 u32 width, u32 height,
521 u32 sx, u32 sy,
522 u32 dx, u32 dy);
523
524void qxl_release_free(struct qxl_device *qdev,
525 struct qxl_release *release);
526
527/* used by qxl_debugfs_release */
528struct qxl_release *qxl_release_from_id_locked(struct qxl_device *qdev,
529 uint64_t id);
530
531bool qxl_queue_garbage_collect(struct qxl_device *qdev, bool flush);
532int qxl_garbage_collect(struct qxl_device *qdev);
533
534/* debugfs */
535
536int qxl_debugfs_init(struct drm_minor *minor);
537void qxl_debugfs_takedown(struct drm_minor *minor);
538
539/* qxl_prime.c */
540int qxl_gem_prime_pin(struct drm_gem_object *obj);
541void qxl_gem_prime_unpin(struct drm_gem_object *obj);
542struct sg_table *qxl_gem_prime_get_sg_table(struct drm_gem_object *obj);
543struct drm_gem_object *qxl_gem_prime_import_sg_table(
544 struct drm_device *dev, struct dma_buf_attachment *attach,
545 struct sg_table *sgt);
546void *qxl_gem_prime_vmap(struct drm_gem_object *obj);
547void qxl_gem_prime_vunmap(struct drm_gem_object *obj, void *vaddr);
548int qxl_gem_prime_mmap(struct drm_gem_object *obj,
549 struct vm_area_struct *vma);
550
551/* qxl_irq.c */
552int qxl_irq_init(struct qxl_device *qdev);
553irqreturn_t qxl_irq_handler(int irq, void *arg);
554
555/* qxl_fb.c */
556int qxl_fb_init(struct qxl_device *qdev);
557bool qxl_fbdev_qobj_is_fb(struct qxl_device *qdev, struct qxl_bo *qobj);
558
559int qxl_debugfs_add_files(struct qxl_device *qdev,
560 struct drm_info_list *files,
561 unsigned nfiles);
562
563int qxl_surface_id_alloc(struct qxl_device *qdev,
564 struct qxl_bo *surf);
565void qxl_surface_id_dealloc(struct qxl_device *qdev,
566 uint32_t surface_id);
567int qxl_hw_surface_alloc(struct qxl_device *qdev,
568 struct qxl_bo *surf,
569 struct ttm_mem_reg *mem);
570int qxl_hw_surface_dealloc(struct qxl_device *qdev,
571 struct qxl_bo *surf);
572
573int qxl_bo_check_id(struct qxl_device *qdev, struct qxl_bo *bo);
574
575struct qxl_drv_surface *
576qxl_surface_lookup(struct drm_device *dev, int surface_id);
577void qxl_surface_evict(struct qxl_device *qdev, struct qxl_bo *surf, bool freeing);
578int qxl_update_surface(struct qxl_device *qdev, struct qxl_bo *surf);
579
580#endif
1/*
2 * Copyright 2013 Red Hat Inc.
3 *
4 * Permission is hereby granted, free of charge, to any person obtaining a
5 * copy of this software and associated documentation files (the "Software"),
6 * to deal in the Software without restriction, including without limitation
7 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
8 * and/or sell copies of the Software, and to permit persons to whom the
9 * Software is furnished to do so, subject to the following conditions:
10 *
11 * The above copyright notice and this permission notice shall be included in
12 * all copies or substantial portions of the Software.
13 *
14 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
15 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
16 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
17 * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
18 * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
19 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
20 * OTHER DEALINGS IN THE SOFTWARE.
21 *
22 * Authors: Dave Airlie
23 * Alon Levy
24 */
25
26#ifndef QXL_DRV_H
27#define QXL_DRV_H
28
29/*
30 * Definitions taken from spice-protocol, plus kernel driver specific bits.
31 */
32
33#include <linux/dma-fence.h>
34#include <linux/firmware.h>
35#include <linux/platform_device.h>
36#include <linux/workqueue.h>
37
38#include <drm/drm_crtc.h>
39#include <drm/drm_encoder.h>
40#include <drm/drm_fb_helper.h>
41#include <drm/drm_ioctl.h>
42#include <drm/drm_gem.h>
43#include <drm/qxl_drm.h>
44#include <drm/ttm/ttm_bo_api.h>
45#include <drm/ttm/ttm_bo_driver.h>
46#include <drm/ttm/ttm_execbuf_util.h>
47#include <drm/ttm/ttm_module.h>
48#include <drm/ttm/ttm_placement.h>
49
50#include "qxl_dev.h"
51
52#define DRIVER_AUTHOR "Dave Airlie"
53
54#define DRIVER_NAME "qxl"
55#define DRIVER_DESC "RH QXL"
56#define DRIVER_DATE "20120117"
57
58#define DRIVER_MAJOR 0
59#define DRIVER_MINOR 1
60#define DRIVER_PATCHLEVEL 0
61
62#define QXL_DEBUGFS_MAX_COMPONENTS 32
63
64extern int qxl_num_crtc;
65extern int qxl_max_ioctls;
66
67#define QXL_INTERRUPT_MASK (\
68 QXL_INTERRUPT_DISPLAY |\
69 QXL_INTERRUPT_CURSOR |\
70 QXL_INTERRUPT_IO_CMD |\
71 QXL_INTERRUPT_CLIENT_MONITORS_CONFIG)
72
73struct qxl_bo {
74 struct ttm_buffer_object tbo;
75
76 /* Protected by gem.mutex */
77 struct list_head list;
78 /* Protected by tbo.reserved */
79 struct ttm_place placements[3];
80 struct ttm_placement placement;
81 struct ttm_bo_kmap_obj kmap;
82 unsigned int pin_count;
83 void *kptr;
84 unsigned int map_count;
85 int type;
86
87 /* Constant after initialization */
88 unsigned int is_primary:1; /* is this now a primary surface */
89 unsigned int is_dumb:1;
90 struct qxl_bo *shadow;
91 unsigned int hw_surf_alloc:1;
92 struct qxl_surface surf;
93 uint32_t surface_id;
94 struct qxl_release *surf_create;
95};
96#define gem_to_qxl_bo(gobj) container_of((gobj), struct qxl_bo, tbo.base)
97#define to_qxl_bo(tobj) container_of((tobj), struct qxl_bo, tbo)
98
99struct qxl_gem {
100 struct mutex mutex;
101 struct list_head objects;
102};
103
104struct qxl_bo_list {
105 struct ttm_validate_buffer tv;
106};
107
108struct qxl_crtc {
109 struct drm_crtc base;
110 int index;
111
112 struct qxl_bo *cursor_bo;
113};
114
115struct qxl_output {
116 int index;
117 struct drm_connector base;
118 struct drm_encoder enc;
119};
120
121#define to_qxl_crtc(x) container_of(x, struct qxl_crtc, base)
122#define drm_connector_to_qxl_output(x) container_of(x, struct qxl_output, base)
123#define drm_encoder_to_qxl_output(x) container_of(x, struct qxl_output, enc)
124
125struct qxl_mman {
126 struct ttm_bo_device bdev;
127};
128
129struct qxl_memslot {
130 int index;
131 const char *name;
132 uint8_t generation;
133 uint64_t start_phys_addr;
134 uint64_t size;
135 uint64_t high_bits;
136 uint64_t gpu_offset;
137};
138
139enum {
140 QXL_RELEASE_DRAWABLE,
141 QXL_RELEASE_SURFACE_CMD,
142 QXL_RELEASE_CURSOR_CMD,
143};
144
145/* drm_ prefix to differentiate from qxl_release_info in
146 * spice-protocol/qxl_dev.h */
147#define QXL_MAX_RES 96
148struct qxl_release {
149 struct dma_fence base;
150
151 int id;
152 int type;
153 struct qxl_bo *release_bo;
154 uint32_t release_offset;
155 uint32_t surface_release_id;
156 struct ww_acquire_ctx ticket;
157 struct list_head bos;
158};
159
160struct qxl_drm_chunk {
161 struct list_head head;
162 struct qxl_bo *bo;
163};
164
165struct qxl_drm_image {
166 struct qxl_bo *bo;
167 struct list_head chunk_list;
168};
169
170struct qxl_fb_image {
171 struct qxl_device *qdev;
172 uint32_t pseudo_palette[16];
173 struct fb_image fb_image;
174 uint32_t visual;
175};
176
177struct qxl_draw_fill {
178 struct qxl_device *qdev;
179 struct qxl_rect rect;
180 uint32_t color;
181 uint16_t rop;
182};
183
184/*
185 * Debugfs
186 */
187struct qxl_debugfs {
188 struct drm_info_list *files;
189 unsigned int num_files;
190};
191
192int qxl_debugfs_add_files(struct qxl_device *rdev,
193 struct drm_info_list *files,
194 unsigned int nfiles);
195int qxl_debugfs_fence_init(struct qxl_device *rdev);
196
197struct qxl_device;
198
199struct qxl_device {
200 struct drm_device ddev;
201
202 resource_size_t vram_base, vram_size;
203 resource_size_t surfaceram_base, surfaceram_size;
204 resource_size_t rom_base, rom_size;
205 struct qxl_rom *rom;
206
207 struct qxl_mode *modes;
208 struct qxl_bo *monitors_config_bo;
209 struct qxl_monitors_config *monitors_config;
210
211 /* last received client_monitors_config */
212 struct qxl_monitors_config *client_monitors_config;
213
214 int io_base;
215 void *ram;
216 struct qxl_mman mman;
217 struct qxl_gem gem;
218
219 void *ram_physical;
220
221 struct qxl_ring *release_ring;
222 struct qxl_ring *command_ring;
223 struct qxl_ring *cursor_ring;
224
225 struct qxl_ram_header *ram_header;
226
227 struct qxl_bo *primary_bo;
228 struct qxl_bo *dumb_shadow_bo;
229 struct qxl_head *dumb_heads;
230
231 struct qxl_memslot main_slot;
232 struct qxl_memslot surfaces_slot;
233
234 spinlock_t release_lock;
235 struct idr release_idr;
236 uint32_t release_seqno;
237 spinlock_t release_idr_lock;
238 struct mutex async_io_mutex;
239 unsigned int last_sent_io_cmd;
240
241 /* interrupt handling */
242 atomic_t irq_received;
243 atomic_t irq_received_display;
244 atomic_t irq_received_cursor;
245 atomic_t irq_received_io_cmd;
246 unsigned int irq_received_error;
247 wait_queue_head_t display_event;
248 wait_queue_head_t cursor_event;
249 wait_queue_head_t io_cmd_event;
250 struct work_struct client_monitors_config_work;
251
252 /* debugfs */
253 struct qxl_debugfs debugfs[QXL_DEBUGFS_MAX_COMPONENTS];
254 unsigned int debugfs_count;
255
256 struct mutex update_area_mutex;
257
258 struct idr surf_id_idr;
259 spinlock_t surf_id_idr_lock;
260 int last_alloced_surf_id;
261
262 struct mutex surf_evict_mutex;
263 struct io_mapping *vram_mapping;
264 struct io_mapping *surface_mapping;
265
266 /* */
267 struct mutex release_mutex;
268 struct qxl_bo *current_release_bo[3];
269 int current_release_bo_offset[3];
270
271 struct work_struct gc_work;
272
273 struct drm_property *hotplug_mode_update_property;
274 int monitors_config_width;
275 int monitors_config_height;
276};
277
278extern const struct drm_ioctl_desc qxl_ioctls[];
279extern int qxl_max_ioctl;
280
281int qxl_device_init(struct qxl_device *qdev, struct drm_driver *drv,
282 struct pci_dev *pdev);
283void qxl_device_fini(struct qxl_device *qdev);
284
285int qxl_modeset_init(struct qxl_device *qdev);
286void qxl_modeset_fini(struct qxl_device *qdev);
287
288int qxl_bo_init(struct qxl_device *qdev);
289void qxl_bo_fini(struct qxl_device *qdev);
290
291void qxl_reinit_memslots(struct qxl_device *qdev);
292int qxl_surf_evict(struct qxl_device *qdev);
293int qxl_vram_evict(struct qxl_device *qdev);
294
295struct qxl_ring *qxl_ring_create(struct qxl_ring_header *header,
296 int element_size,
297 int n_elements,
298 int prod_notify,
299 bool set_prod_notify,
300 wait_queue_head_t *push_event);
301void qxl_ring_free(struct qxl_ring *ring);
302void qxl_ring_init_hdr(struct qxl_ring *ring);
303int qxl_check_idle(struct qxl_ring *ring);
304
305static inline uint64_t
306qxl_bo_physical_address(struct qxl_device *qdev, struct qxl_bo *bo,
307 unsigned long offset)
308{
309 struct qxl_memslot *slot =
310 (bo->tbo.mem.mem_type == TTM_PL_VRAM)
311 ? &qdev->main_slot : &qdev->surfaces_slot;
312
313 WARN_ON_ONCE((bo->tbo.offset & slot->gpu_offset) != slot->gpu_offset);
314
315 /* TODO - need to hold one of the locks to read tbo.offset */
316 return slot->high_bits | (bo->tbo.offset - slot->gpu_offset + offset);
317}
318
319/* qxl_display.c */
320void qxl_display_read_client_monitors_config(struct qxl_device *qdev);
321int qxl_create_monitors_object(struct qxl_device *qdev);
322int qxl_destroy_monitors_object(struct qxl_device *qdev);
323
324/* qxl_gem.c */
325void qxl_gem_init(struct qxl_device *qdev);
326void qxl_gem_fini(struct qxl_device *qdev);
327int qxl_gem_object_create(struct qxl_device *qdev, int size,
328 int alignment, int initial_domain,
329 bool discardable, bool kernel,
330 struct qxl_surface *surf,
331 struct drm_gem_object **obj);
332int qxl_gem_object_create_with_handle(struct qxl_device *qdev,
333 struct drm_file *file_priv,
334 u32 domain,
335 size_t size,
336 struct qxl_surface *surf,
337 struct qxl_bo **qobj,
338 uint32_t *handle);
339void qxl_gem_object_free(struct drm_gem_object *gobj);
340int qxl_gem_object_open(struct drm_gem_object *obj, struct drm_file *file_priv);
341void qxl_gem_object_close(struct drm_gem_object *obj,
342 struct drm_file *file_priv);
343void qxl_bo_force_delete(struct qxl_device *qdev);
344int qxl_bo_kmap(struct qxl_bo *bo, void **ptr);
345
346/* qxl_dumb.c */
347int qxl_mode_dumb_create(struct drm_file *file_priv,
348 struct drm_device *dev,
349 struct drm_mode_create_dumb *args);
350int qxl_mode_dumb_mmap(struct drm_file *filp,
351 struct drm_device *dev,
352 uint32_t handle, uint64_t *offset_p);
353
354/* qxl ttm */
355int qxl_ttm_init(struct qxl_device *qdev);
356void qxl_ttm_fini(struct qxl_device *qdev);
357int qxl_mmap(struct file *filp, struct vm_area_struct *vma);
358
359/* qxl image */
360
361int qxl_image_init(struct qxl_device *qdev,
362 struct qxl_release *release,
363 struct qxl_drm_image *dimage,
364 const uint8_t *data,
365 int x, int y, int width, int height,
366 int depth, int stride);
367int
368qxl_image_alloc_objects(struct qxl_device *qdev,
369 struct qxl_release *release,
370 struct qxl_drm_image **image_ptr,
371 int height, int stride);
372void qxl_image_free_objects(struct qxl_device *qdev, struct qxl_drm_image *dimage);
373
374void qxl_update_screen(struct qxl_device *qxl);
375
376/* qxl io operations (qxl_cmd.c) */
377
378void qxl_io_create_primary(struct qxl_device *qdev,
379 struct qxl_bo *bo);
380void qxl_io_destroy_primary(struct qxl_device *qdev);
381void qxl_io_memslot_add(struct qxl_device *qdev, uint8_t id);
382void qxl_io_notify_oom(struct qxl_device *qdev);
383
384int qxl_io_update_area(struct qxl_device *qdev, struct qxl_bo *surf,
385 const struct qxl_rect *area);
386
387void qxl_io_reset(struct qxl_device *qdev);
388void qxl_io_monitors_config(struct qxl_device *qdev);
389int qxl_ring_push(struct qxl_ring *ring, const void *new_elt, bool interruptible);
390void qxl_io_flush_release(struct qxl_device *qdev);
391void qxl_io_flush_surfaces(struct qxl_device *qdev);
392
393union qxl_release_info *qxl_release_map(struct qxl_device *qdev,
394 struct qxl_release *release);
395void qxl_release_unmap(struct qxl_device *qdev,
396 struct qxl_release *release,
397 union qxl_release_info *info);
398int qxl_release_list_add(struct qxl_release *release, struct qxl_bo *bo);
399int qxl_release_reserve_list(struct qxl_release *release, bool no_intr);
400void qxl_release_backoff_reserve_list(struct qxl_release *release);
401void qxl_release_fence_buffer_objects(struct qxl_release *release);
402
403int qxl_alloc_surface_release_reserved(struct qxl_device *qdev,
404 enum qxl_surface_cmd_type surface_cmd_type,
405 struct qxl_release *create_rel,
406 struct qxl_release **release);
407int qxl_alloc_release_reserved(struct qxl_device *qdev, unsigned long size,
408 int type, struct qxl_release **release,
409 struct qxl_bo **rbo);
410
411int
412qxl_push_command_ring_release(struct qxl_device *qdev, struct qxl_release *release,
413 uint32_t type, bool interruptible);
414int
415qxl_push_cursor_ring_release(struct qxl_device *qdev, struct qxl_release *release,
416 uint32_t type, bool interruptible);
417int qxl_alloc_bo_reserved(struct qxl_device *qdev,
418 struct qxl_release *release,
419 unsigned long size,
420 struct qxl_bo **_bo);
421/* qxl drawing commands */
422
423void qxl_draw_dirty_fb(struct qxl_device *qdev,
424 struct drm_framebuffer *fb,
425 struct qxl_bo *bo,
426 unsigned int flags, unsigned int color,
427 struct drm_clip_rect *clips,
428 unsigned int num_clips, int inc,
429 uint32_t dumb_shadow_offset);
430
431void qxl_release_free(struct qxl_device *qdev,
432 struct qxl_release *release);
433
434/* used by qxl_debugfs_release */
435struct qxl_release *qxl_release_from_id_locked(struct qxl_device *qdev,
436 uint64_t id);
437
438bool qxl_queue_garbage_collect(struct qxl_device *qdev, bool flush);
439int qxl_garbage_collect(struct qxl_device *qdev);
440
441/* debugfs */
442
443int qxl_debugfs_init(struct drm_minor *minor);
444int qxl_ttm_debugfs_init(struct qxl_device *qdev);
445
446/* qxl_prime.c */
447int qxl_gem_prime_pin(struct drm_gem_object *obj);
448void qxl_gem_prime_unpin(struct drm_gem_object *obj);
449struct sg_table *qxl_gem_prime_get_sg_table(struct drm_gem_object *obj);
450struct drm_gem_object *qxl_gem_prime_import_sg_table(
451 struct drm_device *dev, struct dma_buf_attachment *attach,
452 struct sg_table *sgt);
453void *qxl_gem_prime_vmap(struct drm_gem_object *obj);
454void qxl_gem_prime_vunmap(struct drm_gem_object *obj, void *vaddr);
455int qxl_gem_prime_mmap(struct drm_gem_object *obj,
456 struct vm_area_struct *vma);
457
458/* qxl_irq.c */
459int qxl_irq_init(struct qxl_device *qdev);
460irqreturn_t qxl_irq_handler(int irq, void *arg);
461
462int qxl_debugfs_add_files(struct qxl_device *qdev,
463 struct drm_info_list *files,
464 unsigned int nfiles);
465
466int qxl_surface_id_alloc(struct qxl_device *qdev,
467 struct qxl_bo *surf);
468void qxl_surface_id_dealloc(struct qxl_device *qdev,
469 uint32_t surface_id);
470int qxl_hw_surface_alloc(struct qxl_device *qdev,
471 struct qxl_bo *surf);
472int qxl_hw_surface_dealloc(struct qxl_device *qdev,
473 struct qxl_bo *surf);
474
475int qxl_bo_check_id(struct qxl_device *qdev, struct qxl_bo *bo);
476
477struct qxl_drv_surface *
478qxl_surface_lookup(struct drm_device *dev, int surface_id);
479void qxl_surface_evict(struct qxl_device *qdev, struct qxl_bo *surf, bool freeing);
480
481#endif