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drm/vmwgfx: Use bo_driver::move_notify to unbind GMRs.
[net-next-2.6.git] / drivers / gpu / drm / vmwgfx / vmwgfx_drv.h
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fb1d9738
JB		 1/**************************************************************************
2 *
3 * Copyright © 2009 VMware, Inc., Palo Alto, CA., USA
4 * All Rights Reserved.
5 *
6 * Permission is hereby granted, free of charge, to any person obtaining a
7 * copy of this software and associated documentation files (the
8 * "Software"), to deal in the Software without restriction, including
9 * without limitation the rights to use, copy, modify, merge, publish,
10 * distribute, sub license, and/or sell copies of the Software, and to
11 * permit persons to whom the Software is furnished to do so, subject to
12 * the following conditions:
13 *
14 * The above copyright notice and this permission notice (including the
15 * next paragraph) shall be included in all copies or substantial portions
16 * of the Software.
17 *
18 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
19 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
20 * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL
21 * THE COPYRIGHT HOLDERS, AUTHORS AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM,
22 * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
23 * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
24 * USE OR OTHER DEALINGS IN THE SOFTWARE.
25 *
26 **************************************************************************/
27
28#ifndef _VMWGFX_DRV_H_
29#define _VMWGFX_DRV_H_
30
31#include "vmwgfx_reg.h"
32#include "drmP.h"
33#include "vmwgfx_drm.h"
34#include "drm_hashtab.h"
35#include "ttm/ttm_bo_driver.h"
36#include "ttm/ttm_object.h"
37#include "ttm/ttm_lock.h"
38#include "ttm/ttm_execbuf_util.h"
39#include "ttm/ttm_module.h"
40
41#define VMWGFX_DRIVER_DATE "20090724"
42#define VMWGFX_DRIVER_MAJOR 0
43#define VMWGFX_DRIVER_MINOR 1
44#define VMWGFX_DRIVER_PATCHLEVEL 2
45#define VMWGFX_FILE_PAGE_OFFSET 0x00100000
46#define VMWGFX_FIFO_STATIC_SIZE (1024*1024)
47#define VMWGFX_MAX_RELOCATIONS 2048
48#define VMWGFX_MAX_GMRS 2048
49
50struct vmw_fpriv {
51 struct drm_master *locked_master;
52 struct ttm_object_file *tfile;
53};
54
55struct vmw_dma_buffer {
56 struct ttm_buffer_object base;
57 struct list_head validate_list;
58 struct list_head gmr_lru;
59 uint32_t gmr_id;
60 bool gmr_bound;
61 uint32_t cur_validate_node;
62 bool on_validate_list;
63};
64
65struct vmw_resource {
66 struct kref kref;
67 struct vmw_private *dev_priv;
68 struct idr *idr;
69 int id;
70 enum ttm_object_type res_type;
71 bool avail;
72 void (*hw_destroy) (struct vmw_resource *res);
73 void (*res_free) (struct vmw_resource *res);
74
75 /* TODO is a generic snooper needed? */
76#if 0
77 void (*snoop)(struct vmw_resource *res,
78 struct ttm_object_file *tfile,
79 SVGA3dCmdHeader *header);
80 void *snoop_priv;
81#endif
82};
83
84struct vmw_cursor_snooper {
85 struct drm_crtc *crtc;
86 size_t age;
87 uint32_t *image;
88};
89
90struct vmw_surface {
91 struct vmw_resource res;
92 uint32_t flags;
93 uint32_t format;
94 uint32_t mip_levels[DRM_VMW_MAX_SURFACE_FACES];
95 struct drm_vmw_size *sizes;
96 uint32_t num_sizes;
97
98 /* TODO so far just a extra pointer */
99 struct vmw_cursor_snooper snooper;
100};
101
102struct vmw_fifo_state {
103 unsigned long reserved_size;
104 __le32 *dynamic_buffer;
105 __le32 *static_buffer;
106 __le32 *last_buffer;
107 uint32_t last_data_size;
108 uint32_t last_buffer_size;
109 bool last_buffer_add;
110 unsigned long static_buffer_size;
111 bool using_bounce_buffer;
112 uint32_t capabilities;
113 struct rw_semaphore rwsem;
114};
115
116struct vmw_relocation {
117 SVGAGuestPtr *location;
118 uint32_t index;
119};
120
121struct vmw_sw_context{
122 struct ida bo_list;
123 uint32_t last_cid;
124 bool cid_valid;
125 uint32_t last_sid;
7a73ba74 126 uint32_t sid_translation;
fb1d9738
JB		 127 bool sid_valid;
128 struct ttm_object_file *tfile;
129 struct list_head validate_nodes;
130 struct vmw_relocation relocs[VMWGFX_MAX_RELOCATIONS];
131 uint32_t cur_reloc;
132 struct ttm_validate_buffer val_bufs[VMWGFX_MAX_GMRS];
133 uint32_t cur_val_buf;
134};
135
136struct vmw_legacy_display;
137struct vmw_overlay;
138
139struct vmw_master {
140 struct ttm_lock lock;
141};
142
143struct vmw_private {
144 struct ttm_bo_device bdev;
145 struct ttm_bo_global_ref bo_global_ref;
146 struct ttm_global_reference mem_global_ref;
147
148 struct vmw_fifo_state fifo;
149
150 struct drm_device *dev;
151 unsigned long vmw_chipset;
152 unsigned int io_start;
153 uint32_t vram_start;
154 uint32_t vram_size;
155 uint32_t mmio_start;
156 uint32_t mmio_size;
157 uint32_t fb_max_width;
158 uint32_t fb_max_height;
159 __le32 __iomem *mmio_virt;
160 int mmio_mtrr;
161 uint32_t capabilities;
162 uint32_t max_gmr_descriptors;
163 uint32_t max_gmr_ids;
164 struct mutex hw_mutex;
165
166 /*
167 * VGA registers.
168 */
169
170 uint32_t vga_width;
171 uint32_t vga_height;
172 uint32_t vga_depth;
173 uint32_t vga_bpp;
174 uint32_t vga_pseudo;
175 uint32_t vga_red_mask;
176 uint32_t vga_blue_mask;
177 uint32_t vga_green_mask;
178
179 /*
180 * Framebuffer info.
181 */
182
183 void *fb_info;
184 struct vmw_legacy_display *ldu_priv;
185 struct vmw_overlay *overlay_priv;
186
187 /*
188 * Context and surface management.
189 */
190
191 rwlock_t resource_lock;
192 struct idr context_idr;
193 struct idr surface_idr;
194 struct idr stream_idr;
195
196 /*
197 * Block lastclose from racing with firstopen.
198 */
199
200 struct mutex init_mutex;
201
202 /*
203 * A resource manager for kernel-only surfaces and
204 * contexts.
205 */
206
207 struct ttm_object_device *tdev;
208
209 /*
210 * Fencing and IRQs.
211 */
212
213 uint32_t fence_seq;
214 wait_queue_head_t fence_queue;
215 wait_queue_head_t fifo_queue;
216 atomic_t fence_queue_waiters;
217 atomic_t fifo_queue_waiters;
218 uint32_t last_read_sequence;
219 spinlock_t irq_lock;
220
221 /*
222 * Device state
223 */
224
225 uint32_t traces_state;
226 uint32_t enable_state;
227 uint32_t config_done_state;
228
229 /**
230 * Execbuf
231 */
232 /**
233 * Protected by the cmdbuf mutex.
234 */
235
236 struct vmw_sw_context ctx;
237 uint32_t val_seq;
238 struct mutex cmdbuf_mutex;
239
240 /**
241 * GMR management. Protected by the lru spinlock.
242 */
243
244 struct ida gmr_ida;
245 struct list_head gmr_lru;
246
247
248 /**
249 * Operating mode.
250 */
251
252 bool stealth;
253 bool is_opened;
254
255 /**
256 * Master management.
257 */
258
259 struct vmw_master *active_master;
260 struct vmw_master fbdev_master;
261};
262
263static inline struct vmw_private *vmw_priv(struct drm_device *dev)
264{
265 return (struct vmw_private *)dev->dev_private;
266}
267
268static inline struct vmw_fpriv *vmw_fpriv(struct drm_file *file_priv)
269{
270 return (struct vmw_fpriv *)file_priv->driver_priv;
271}
272
273static inline struct vmw_master *vmw_master(struct drm_master *master)
274{
275 return (struct vmw_master *) master->driver_priv;
276}
277
278static inline void vmw_write(struct vmw_private *dev_priv,
279 unsigned int offset, uint32_t value)
280{
281 outl(offset, dev_priv->io_start + VMWGFX_INDEX_PORT);
282 outl(value, dev_priv->io_start + VMWGFX_VALUE_PORT);
283}
284
285static inline uint32_t vmw_read(struct vmw_private *dev_priv,
286 unsigned int offset)
287{
288 uint32_t val;
289
290 outl(offset, dev_priv->io_start + VMWGFX_INDEX_PORT);
291 val = inl(dev_priv->io_start + VMWGFX_VALUE_PORT);
292 return val;
293}
294
295/**
296 * GMR utilities - vmwgfx_gmr.c
297 */
298
299extern int vmw_gmr_bind(struct vmw_private *dev_priv,
300 struct ttm_buffer_object *bo);
301extern void vmw_gmr_unbind(struct vmw_private *dev_priv, int gmr_id);
302
303/**
304 * Resource utilities - vmwgfx_resource.c
305 */
306
307extern struct vmw_resource *vmw_context_alloc(struct vmw_private *dev_priv);
308extern void vmw_resource_unreference(struct vmw_resource **p_res);
309extern struct vmw_resource *vmw_resource_reference(struct vmw_resource *res);
310extern int vmw_context_destroy_ioctl(struct drm_device *dev, void *data,
311 struct drm_file *file_priv);
312extern int vmw_context_define_ioctl(struct drm_device *dev, void *data,
313 struct drm_file *file_priv);
314extern int vmw_context_check(struct vmw_private *dev_priv,
315 struct ttm_object_file *tfile,
316 int id);
317extern void vmw_surface_res_free(struct vmw_resource *res);
318extern int vmw_surface_init(struct vmw_private *dev_priv,
319 struct vmw_surface *srf,
320 void (*res_free) (struct vmw_resource *res));
7a73ba74
TH		 321extern int vmw_user_surface_lookup_handle(struct vmw_private *dev_priv,
322 struct ttm_object_file *tfile,
323 uint32_t handle,
324 struct vmw_surface **out);
fb1d9738
JB		 325extern int vmw_surface_destroy_ioctl(struct drm_device *dev, void *data,
326 struct drm_file *file_priv);
327extern int vmw_surface_define_ioctl(struct drm_device *dev, void *data,
328 struct drm_file *file_priv);
329extern int vmw_surface_reference_ioctl(struct drm_device *dev, void *data,
330 struct drm_file *file_priv);
331extern int vmw_surface_check(struct vmw_private *dev_priv,
332 struct ttm_object_file *tfile,
7a73ba74 333 uint32_t handle, int *id);
fb1d9738
JB		 334extern void vmw_dmabuf_bo_free(struct ttm_buffer_object *bo);
335extern int vmw_dmabuf_init(struct vmw_private *dev_priv,
336 struct vmw_dma_buffer *vmw_bo,
337 size_t size, struct ttm_placement *placement,
338 bool interuptable,
339 void (*bo_free) (struct ttm_buffer_object *bo));
340extern int vmw_dmabuf_alloc_ioctl(struct drm_device *dev, void *data,
341 struct drm_file *file_priv);
342extern int vmw_dmabuf_unref_ioctl(struct drm_device *dev, void *data,
343 struct drm_file *file_priv);
344extern uint32_t vmw_dmabuf_validate_node(struct ttm_buffer_object *bo,
345 uint32_t cur_validate_node);
346extern void vmw_dmabuf_validate_clear(struct ttm_buffer_object *bo);
347extern int vmw_user_dmabuf_lookup(struct ttm_object_file *tfile,
348 uint32_t id, struct vmw_dma_buffer **out);
349extern uint32_t vmw_dmabuf_gmr(struct ttm_buffer_object *bo);
350extern void vmw_dmabuf_set_gmr(struct ttm_buffer_object *bo, uint32_t id);
351extern int vmw_gmr_id_alloc(struct vmw_private *dev_priv, uint32_t *p_id);
352extern int vmw_dmabuf_to_start_of_vram(struct vmw_private *vmw_priv,
353 struct vmw_dma_buffer *bo);
354extern int vmw_dmabuf_from_vram(struct vmw_private *vmw_priv,
355 struct vmw_dma_buffer *bo);
effe1105 356extern void vmw_dmabuf_gmr_unbind(struct ttm_buffer_object *bo);
fb1d9738
JB		 357extern int vmw_stream_claim_ioctl(struct drm_device *dev, void *data,
358 struct drm_file *file_priv);
359extern int vmw_stream_unref_ioctl(struct drm_device *dev, void *data,
360 struct drm_file *file_priv);
361extern int vmw_user_stream_lookup(struct vmw_private *dev_priv,
362 struct ttm_object_file *tfile,
363 uint32_t *inout_id,
364 struct vmw_resource **out);
365
366
367/**
368 * Misc Ioctl functionality - vmwgfx_ioctl.c
369 */
370
371extern int vmw_getparam_ioctl(struct drm_device *dev, void *data,
372 struct drm_file *file_priv);
373extern int vmw_fifo_debug_ioctl(struct drm_device *dev, void *data,
374 struct drm_file *file_priv);
375
376/**
377 * Fifo utilities - vmwgfx_fifo.c
378 */
379
380extern int vmw_fifo_init(struct vmw_private *dev_priv,
381 struct vmw_fifo_state *fifo);
382extern void vmw_fifo_release(struct vmw_private *dev_priv,
383 struct vmw_fifo_state *fifo);
384extern void *vmw_fifo_reserve(struct vmw_private *dev_priv, uint32_t bytes);
385extern void vmw_fifo_commit(struct vmw_private *dev_priv, uint32_t bytes);
386extern int vmw_fifo_send_fence(struct vmw_private *dev_priv,
387 uint32_t *sequence);
388extern void vmw_fifo_ping_host(struct vmw_private *dev_priv, uint32_t reason);
389extern int vmw_fifo_mmap(struct file *filp, struct vm_area_struct *vma);
390
391/**
392 * TTM glue - vmwgfx_ttm_glue.c
393 */
394
395extern int vmw_ttm_global_init(struct vmw_private *dev_priv);
396extern void vmw_ttm_global_release(struct vmw_private *dev_priv);
397extern int vmw_mmap(struct file *filp, struct vm_area_struct *vma);
398
399/**
400 * TTM buffer object driver - vmwgfx_buffer.c
401 */
402
403extern struct ttm_placement vmw_vram_placement;
404extern struct ttm_placement vmw_vram_ne_placement;
405extern struct ttm_placement vmw_sys_placement;
406extern struct ttm_bo_driver vmw_bo_driver;
407extern int vmw_dma_quiescent(struct drm_device *dev);
408
409/**
410 * Command submission - vmwgfx_execbuf.c
411 */
412
413extern int vmw_execbuf_ioctl(struct drm_device *dev, void *data,
414 struct drm_file *file_priv);
415
416/**
417 * IRQs and wating - vmwgfx_irq.c
418 */
419
420extern irqreturn_t vmw_irq_handler(DRM_IRQ_ARGS);
421extern int vmw_wait_fence(struct vmw_private *dev_priv, bool lazy,
422 uint32_t sequence, bool interruptible,
423 unsigned long timeout);
424extern void vmw_irq_preinstall(struct drm_device *dev);
425extern int vmw_irq_postinstall(struct drm_device *dev);
426extern void vmw_irq_uninstall(struct drm_device *dev);
427extern bool vmw_fence_signaled(struct vmw_private *dev_priv,
428 uint32_t sequence);
429extern int vmw_fence_wait_ioctl(struct drm_device *dev, void *data,
430 struct drm_file *file_priv);
431extern int vmw_fallback_wait(struct vmw_private *dev_priv,
432 bool lazy,
433 bool fifo_idle,
434 uint32_t sequence,
435 bool interruptible,
436 unsigned long timeout);
437
438/**
439 * Kernel framebuffer - vmwgfx_fb.c
440 */
441
442int vmw_fb_init(struct vmw_private *vmw_priv);
443int vmw_fb_close(struct vmw_private *dev_priv);
444int vmw_fb_off(struct vmw_private *vmw_priv);
445int vmw_fb_on(struct vmw_private *vmw_priv);
446
447/**
448 * Kernel modesetting - vmwgfx_kms.c
449 */
450
451int vmw_kms_init(struct vmw_private *dev_priv);
452int vmw_kms_close(struct vmw_private *dev_priv);
453int vmw_kms_save_vga(struct vmw_private *vmw_priv);
454int vmw_kms_restore_vga(struct vmw_private *vmw_priv);
455int vmw_kms_cursor_bypass_ioctl(struct drm_device *dev, void *data,
456 struct drm_file *file_priv);
457void vmw_kms_cursor_post_execbuf(struct vmw_private *dev_priv);
458void vmw_kms_cursor_snoop(struct vmw_surface *srf,
459 struct ttm_object_file *tfile,
460 struct ttm_buffer_object *bo,
461 SVGA3dCmdHeader *header);
462
463/**
464 * Overlay control - vmwgfx_overlay.c
465 */
466
467int vmw_overlay_init(struct vmw_private *dev_priv);
468int vmw_overlay_close(struct vmw_private *dev_priv);
469int vmw_overlay_ioctl(struct drm_device *dev, void *data,
470 struct drm_file *file_priv);
471int vmw_overlay_stop_all(struct vmw_private *dev_priv);
472int vmw_overlay_resume_all(struct vmw_private *dev_priv);
473int vmw_overlay_pause_all(struct vmw_private *dev_priv);
474int vmw_overlay_claim(struct vmw_private *dev_priv, uint32_t *out);
475int vmw_overlay_unref(struct vmw_private *dev_priv, uint32_t stream_id);
476int vmw_overlay_num_overlays(struct vmw_private *dev_priv);
477int vmw_overlay_num_free_overlays(struct vmw_private *dev_priv);
478
479/**
480 * Inline helper functions
481 */
482
483static inline void vmw_surface_unreference(struct vmw_surface **srf)
484{
485 struct vmw_surface *tmp_srf = *srf;
486 struct vmw_resource *res = &tmp_srf->res;
487 *srf = NULL;
488
489 vmw_resource_unreference(&res);
490}
491
492static inline struct vmw_surface *vmw_surface_reference(struct vmw_surface *srf)
493{
494 (void) vmw_resource_reference(&srf->res);
495 return srf;
496}
497
498static inline void vmw_dmabuf_unreference(struct vmw_dma_buffer **buf)
499{
500 struct vmw_dma_buffer *tmp_buf = *buf;
501 struct ttm_buffer_object *bo = &tmp_buf->base;
502 *buf = NULL;
503
504 ttm_bo_unref(&bo);
505}
506
507static inline struct vmw_dma_buffer *vmw_dmabuf_reference(struct vmw_dma_buffer *buf)
508{
509 if (ttm_bo_reference(&buf->base))
510 return buf;
511 return NULL;
512}
513
514#endif
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