Commit | Line | Data |
---|---|---|
1da177e4 | 1 | /** |
b5e89ed5 | 2 | * \file drmP.h |
1da177e4 | 3 | * Private header for Direct Rendering Manager |
b5e89ed5 | 4 | * |
1da177e4 LT |
5 | * \author Rickard E. (Rik) Faith <faith@valinux.com> |
6 | * \author Gareth Hughes <gareth@valinux.com> | |
7 | */ | |
8 | ||
9 | /* | |
10 | * Copyright 1999 Precision Insight, Inc., Cedar Park, Texas. | |
11 | * Copyright 2000 VA Linux Systems, Inc., Sunnyvale, California. | |
12 | * All rights reserved. | |
13 | * | |
14 | * Permission is hereby granted, free of charge, to any person obtaining a | |
15 | * copy of this software and associated documentation files (the "Software"), | |
16 | * to deal in the Software without restriction, including without limitation | |
17 | * the rights to use, copy, modify, merge, publish, distribute, sublicense, | |
18 | * and/or sell copies of the Software, and to permit persons to whom the | |
19 | * Software is furnished to do so, subject to the following conditions: | |
20 | * | |
21 | * The above copyright notice and this permission notice (including the next | |
22 | * paragraph) shall be included in all copies or substantial portions of the | |
23 | * Software. | |
24 | * | |
25 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR | |
26 | * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, | |
27 | * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL | |
28 | * VA LINUX SYSTEMS AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR | |
29 | * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, | |
30 | * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR | |
31 | * OTHER DEALINGS IN THE SOFTWARE. | |
32 | */ | |
33 | ||
34 | #ifndef _DRM_P_H_ | |
35 | #define _DRM_P_H_ | |
36 | ||
37 | /* If you want the memory alloc debug functionality, change define below */ | |
38 | /* #define DEBUG_MEMORY */ | |
39 | ||
40 | #ifdef __KERNEL__ | |
41 | #ifdef __alpha__ | |
42 | /* add include of current.h so that "current" is defined | |
43 | * before static inline funcs in wait.h. Doing this so we | |
44 | * can build the DRM (part of PI DRI). 4/21/2000 S + B */ | |
45 | #include <asm/current.h> | |
b5e89ed5 | 46 | #endif /* __alpha__ */ |
1da177e4 LT |
47 | #include <linux/module.h> |
48 | #include <linux/kernel.h> | |
49 | #include <linux/miscdevice.h> | |
50 | #include <linux/fs.h> | |
51 | #include <linux/proc_fs.h> | |
52 | #include <linux/init.h> | |
53 | #include <linux/file.h> | |
54 | #include <linux/pci.h> | |
1da177e4 LT |
55 | #include <linux/jiffies.h> |
56 | #include <linux/smp_lock.h> /* For (un)lock_kernel */ | |
b05c2385 | 57 | #include <linux/dma-mapping.h> |
1da177e4 LT |
58 | #include <linux/mm.h> |
59 | #include <linux/cdev.h> | |
30e2fb18 | 60 | #include <linux/mutex.h> |
1da177e4 | 61 | #if defined(__alpha__) || defined(__powerpc__) |
b5e89ed5 | 62 | #include <asm/pgtable.h> /* For pte_wrprotect */ |
1da177e4 LT |
63 | #endif |
64 | #include <asm/io.h> | |
65 | #include <asm/mman.h> | |
66 | #include <asm/uaccess.h> | |
67 | #ifdef CONFIG_MTRR | |
68 | #include <asm/mtrr.h> | |
69 | #endif | |
70 | #if defined(CONFIG_AGP) || defined(CONFIG_AGP_MODULE) | |
71 | #include <linux/types.h> | |
72 | #include <linux/agp_backend.h> | |
73 | #endif | |
74 | #include <linux/workqueue.h> | |
75 | #include <linux/poll.h> | |
76 | #include <asm/pgalloc.h> | |
77 | #include "drm.h" | |
78 | ||
62968144 DA |
79 | #include <linux/idr.h> |
80 | ||
1da177e4 LT |
81 | #define __OS_HAS_AGP (defined(CONFIG_AGP) || (defined(CONFIG_AGP_MODULE) && defined(MODULE))) |
82 | #define __OS_HAS_MTRR (defined(CONFIG_MTRR)) | |
83 | ||
c153f45f EA |
84 | struct drm_file; |
85 | struct drm_device; | |
86 | ||
1da177e4 | 87 | #include "drm_os_linux.h" |
3a1bd924 | 88 | #include "drm_hashtab.h" |
1da177e4 | 89 | |
4fefcb27 | 90 | #define DRM_UT_CORE 0x01 |
91 | #define DRM_UT_DRIVER 0x02 | |
92 | #define DRM_UT_KMS 0x04 | |
93 | #define DRM_UT_MODE 0x08 | |
94 | ||
95 | extern void drm_ut_debug_printk(unsigned int request_level, | |
96 | const char *prefix, | |
97 | const char *function_name, | |
98 | const char *format, ...); | |
1da177e4 LT |
99 | /***********************************************************************/ |
100 | /** \name DRM template customization defaults */ | |
101 | /*@{*/ | |
102 | ||
103 | /* driver capabilities and requirements mask */ | |
104 | #define DRIVER_USE_AGP 0x1 | |
105 | #define DRIVER_REQUIRE_AGP 0x2 | |
106 | #define DRIVER_USE_MTRR 0x4 | |
107 | #define DRIVER_PCI_DMA 0x8 | |
108 | #define DRIVER_SG 0x10 | |
109 | #define DRIVER_HAVE_DMA 0x20 | |
110 | #define DRIVER_HAVE_IRQ 0x40 | |
111 | #define DRIVER_IRQ_SHARED 0x80 | |
af6061af | 112 | #define DRIVER_IRQ_VBL 0x100 |
1da177e4 | 113 | #define DRIVER_DMA_QUEUE 0x200 |
b84397d6 | 114 | #define DRIVER_FB_DMA 0x400 |
af6061af | 115 | #define DRIVER_IRQ_VBL2 0x800 |
673a394b | 116 | #define DRIVER_GEM 0x1000 |
f453ba04 | 117 | #define DRIVER_MODESET 0x2000 |
1da177e4 LT |
118 | |
119 | /***********************************************************************/ | |
120 | /** \name Begin the DRM... */ | |
121 | /*@{*/ | |
122 | ||
123 | #define DRM_DEBUG_CODE 2 /**< Include debugging code if > 1, then | |
124 | also include looping detection. */ | |
125 | ||
8669cbc5 | 126 | #define DRM_MAGIC_HASH_ORDER 4 /**< Size of key hash table. Must be power of 2. */ |
1da177e4 LT |
127 | #define DRM_KERNEL_CONTEXT 0 /**< Change drm_resctx if changed */ |
128 | #define DRM_RESERVED_CONTEXTS 1 /**< Change drm_resctx if changed */ | |
129 | #define DRM_LOOPING_LIMIT 5000000 | |
1da177e4 LT |
130 | #define DRM_TIME_SLICE (HZ/20) /**< Time slice for GLXContexts */ |
131 | #define DRM_LOCK_SLICE 1 /**< Time slice for lock, in jiffies */ | |
132 | ||
133 | #define DRM_FLAG_DEBUG 0x01 | |
134 | ||
135 | #define DRM_MEM_DMA 0 | |
136 | #define DRM_MEM_SAREA 1 | |
137 | #define DRM_MEM_DRIVER 2 | |
138 | #define DRM_MEM_MAGIC 3 | |
139 | #define DRM_MEM_IOCTLS 4 | |
140 | #define DRM_MEM_MAPS 5 | |
141 | #define DRM_MEM_VMAS 6 | |
142 | #define DRM_MEM_BUFS 7 | |
143 | #define DRM_MEM_SEGS 8 | |
144 | #define DRM_MEM_PAGES 9 | |
145 | #define DRM_MEM_FILES 10 | |
146 | #define DRM_MEM_QUEUES 11 | |
147 | #define DRM_MEM_CMDS 12 | |
148 | #define DRM_MEM_MAPPINGS 13 | |
149 | #define DRM_MEM_BUFLISTS 14 | |
150 | #define DRM_MEM_AGPLISTS 15 | |
151 | #define DRM_MEM_TOTALAGP 16 | |
152 | #define DRM_MEM_BOUNDAGP 17 | |
153 | #define DRM_MEM_CTXBITMAP 18 | |
154 | #define DRM_MEM_STUB 19 | |
155 | #define DRM_MEM_SGLISTS 20 | |
3a1bd924 TH |
156 | #define DRM_MEM_CTXLIST 21 |
157 | #define DRM_MEM_MM 22 | |
158 | #define DRM_MEM_HASHTAB 23 | |
1da177e4 LT |
159 | |
160 | #define DRM_MAX_CTXBITMAP (PAGE_SIZE * 8) | |
8d153f71 | 161 | #define DRM_MAP_HASH_OFFSET 0x10000000 |
1da177e4 | 162 | |
b5e89ed5 | 163 | /*@}*/ |
1da177e4 | 164 | |
1da177e4 LT |
165 | /***********************************************************************/ |
166 | /** \name Macros to make printk easier */ | |
167 | /*@{*/ | |
168 | ||
169 | /** | |
170 | * Error output. | |
171 | * | |
172 | * \param fmt printf() like format string. | |
173 | * \param arg arguments | |
174 | */ | |
175 | #define DRM_ERROR(fmt, arg...) \ | |
bf9d8929 | 176 | printk(KERN_ERR "[" DRM_NAME ":%s] *ERROR* " fmt , __func__ , ##arg) |
1da177e4 LT |
177 | |
178 | /** | |
179 | * Memory error output. | |
180 | * | |
181 | * \param area memory area where the error occurred. | |
182 | * \param fmt printf() like format string. | |
183 | * \param arg arguments | |
184 | */ | |
185 | #define DRM_MEM_ERROR(area, fmt, arg...) \ | |
bf9d8929 | 186 | printk(KERN_ERR "[" DRM_NAME ":%s:%s] *ERROR* " fmt , __func__, \ |
1da177e4 LT |
187 | drm_mem_stats[area].name , ##arg) |
188 | ||
189 | #define DRM_INFO(fmt, arg...) printk(KERN_INFO "[" DRM_NAME "] " fmt , ##arg) | |
190 | ||
191 | /** | |
192 | * Debug output. | |
b5e89ed5 | 193 | * |
1da177e4 LT |
194 | * \param fmt printf() like format string. |
195 | * \param arg arguments | |
196 | */ | |
197 | #if DRM_DEBUG_CODE | |
4fefcb27 | 198 | #define DRM_DEBUG(fmt, args...) \ |
1da177e4 | 199 | do { \ |
4fefcb27 | 200 | drm_ut_debug_printk(DRM_UT_CORE, DRM_NAME, \ |
201 | __func__, fmt, ##args); \ | |
202 | } while (0) | |
203 | ||
204 | #define DRM_DEBUG_DRIVER(prefix, fmt, args...) \ | |
205 | do { \ | |
206 | drm_ut_debug_printk(DRM_UT_DRIVER, prefix, \ | |
207 | __func__, fmt, ##args); \ | |
208 | } while (0) | |
209 | #define DRM_DEBUG_KMS(prefix, fmt, args...) \ | |
210 | do { \ | |
211 | drm_ut_debug_printk(DRM_UT_KMS, prefix, \ | |
212 | __func__, fmt, ##args); \ | |
213 | } while (0) | |
214 | #define DRM_DEBUG_MODE(prefix, fmt, args...) \ | |
215 | do { \ | |
216 | drm_ut_debug_printk(DRM_UT_MODE, prefix, \ | |
217 | __func__, fmt, ##args); \ | |
218 | } while (0) | |
219 | #define DRM_LOG(fmt, args...) \ | |
220 | do { \ | |
221 | drm_ut_debug_printk(DRM_UT_CORE, NULL, \ | |
222 | NULL, fmt, ##args); \ | |
223 | } while (0) | |
224 | #define DRM_LOG_KMS(fmt, args...) \ | |
225 | do { \ | |
226 | drm_ut_debug_printk(DRM_UT_KMS, NULL, \ | |
227 | NULL, fmt, ##args); \ | |
228 | } while (0) | |
229 | #define DRM_LOG_MODE(fmt, args...) \ | |
230 | do { \ | |
231 | drm_ut_debug_printk(DRM_UT_MODE, NULL, \ | |
232 | NULL, fmt, ##args); \ | |
233 | } while (0) | |
234 | #define DRM_LOG_DRIVER(fmt, args...) \ | |
235 | do { \ | |
236 | drm_ut_debug_printk(DRM_UT_DRIVER, NULL, \ | |
237 | NULL, fmt, ##args); \ | |
1da177e4 LT |
238 | } while (0) |
239 | #else | |
4fefcb27 | 240 | #define DRM_DEBUG_DRIVER(prefix, fmt, args...) do { } while (0) |
241 | #define DRM_DEBUG_KMS(prefix, fmt, args...) do { } while (0) | |
242 | #define DRM_DEBUG_MODE(prefix, fmt, args...) do { } while (0) | |
1da177e4 | 243 | #define DRM_DEBUG(fmt, arg...) do { } while (0) |
4fefcb27 | 244 | #define DRM_LOG(fmt, arg...) do { } while (0) |
245 | #define DRM_LOG_KMS(fmt, args...) do { } while (0) | |
246 | #define DRM_LOG_MODE(fmt, arg...) do { } while (0) | |
247 | #define DRM_LOG_DRIVER(fmt, arg...) do { } while (0) | |
248 | ||
1da177e4 LT |
249 | #endif |
250 | ||
251 | #define DRM_PROC_LIMIT (PAGE_SIZE-80) | |
252 | ||
253 | #define DRM_PROC_PRINT(fmt, arg...) \ | |
254 | len += sprintf(&buf[len], fmt , ##arg); \ | |
255 | if (len > DRM_PROC_LIMIT) { *eof = 1; return len - offset; } | |
256 | ||
257 | #define DRM_PROC_PRINT_RET(ret, fmt, arg...) \ | |
258 | len += sprintf(&buf[len], fmt , ##arg); \ | |
259 | if (len > DRM_PROC_LIMIT) { ret; *eof = 1; return len - offset; } | |
260 | ||
261 | /*@}*/ | |
262 | ||
1da177e4 LT |
263 | /***********************************************************************/ |
264 | /** \name Internal types and structures */ | |
265 | /*@{*/ | |
266 | ||
99a2657a | 267 | #define DRM_ARRAY_SIZE(x) ARRAY_SIZE(x) |
1da177e4 LT |
268 | |
269 | #define DRM_LEFTCOUNT(x) (((x)->rp + (x)->count - (x)->wp) % ((x)->count + 1)) | |
270 | #define DRM_BUFCOUNT(x) ((x)->count - DRM_LEFTCOUNT(x)) | |
271 | #define DRM_WAITCOUNT(dev,idx) DRM_BUFCOUNT(&dev->queuelist[idx]->waitlist) | |
272 | ||
273 | #define DRM_IF_VERSION(maj, min) (maj << 16 | min) | |
274 | /** | |
275 | * Get the private SAREA mapping. | |
276 | * | |
277 | * \param _dev DRM device. | |
278 | * \param _ctx context number. | |
279 | * \param _map output mapping. | |
280 | */ | |
281 | #define DRM_GET_PRIV_SAREA(_dev, _ctx, _map) do { \ | |
282 | (_map) = (_dev)->context_sareas[_ctx]; \ | |
283 | } while(0) | |
284 | ||
285 | /** | |
286 | * Test that the hardware lock is held by the caller, returning otherwise. | |
287 | * | |
288 | * \param dev DRM device. | |
289 | * \param filp file pointer of the caller. | |
290 | */ | |
dcae3626 RK |
291 | #define LOCK_TEST_WITH_RETURN( dev, _file_priv ) \ |
292 | do { \ | |
293 | if (!_DRM_LOCK_IS_HELD(_file_priv->master->lock.hw_lock->lock) || \ | |
294 | _file_priv->master->lock.file_priv != _file_priv) { \ | |
c153f45f | 295 | DRM_ERROR( "%s called without lock held, held %d owner %p %p\n",\ |
dcae3626 RK |
296 | __func__, _DRM_LOCK_IS_HELD(_file_priv->master->lock.hw_lock->lock),\ |
297 | _file_priv->master->lock.file_priv, _file_priv); \ | |
298 | return -EINVAL; \ | |
299 | } \ | |
1da177e4 LT |
300 | } while (0) |
301 | ||
302 | /** | |
303 | * Copy and IOCTL return string to user space | |
304 | */ | |
305 | #define DRM_COPY( name, value ) \ | |
306 | len = strlen( value ); \ | |
307 | if ( len > name##_len ) len = name##_len; \ | |
308 | name##_len = strlen( value ); \ | |
309 | if ( len && name ) { \ | |
310 | if ( copy_to_user( name, value, len ) ) \ | |
311 | return -EFAULT; \ | |
312 | } | |
b5e89ed5 | 313 | |
1da177e4 LT |
314 | /** |
315 | * Ioctl function type. | |
316 | * | |
317 | * \param inode device inode. | |
6c340eac | 318 | * \param file_priv DRM file private pointer. |
1da177e4 LT |
319 | * \param cmd command. |
320 | * \param arg argument. | |
321 | */ | |
c153f45f EA |
322 | typedef int drm_ioctl_t(struct drm_device *dev, void *data, |
323 | struct drm_file *file_priv); | |
1da177e4 | 324 | |
9a186645 DA |
325 | typedef int drm_ioctl_compat_t(struct file *filp, unsigned int cmd, |
326 | unsigned long arg); | |
327 | ||
a7a2cc31 DA |
328 | #define DRM_AUTH 0x1 |
329 | #define DRM_MASTER 0x2 | |
330 | #define DRM_ROOT_ONLY 0x4 | |
f453ba04 | 331 | #define DRM_CONTROL_ALLOW 0x8 |
a7a2cc31 | 332 | |
c153f45f EA |
333 | struct drm_ioctl_desc { |
334 | unsigned int cmd; | |
a7a2cc31 | 335 | int flags; |
c972d750 | 336 | drm_ioctl_t *func; |
c153f45f EA |
337 | }; |
338 | ||
339 | /** | |
340 | * Creates a driver or general drm_ioctl_desc array entry for the given | |
341 | * ioctl, for use by drm_ioctl(). | |
342 | */ | |
c972d750 RK |
343 | #define DRM_IOCTL_DEF(ioctl, _func, _flags) \ |
344 | [DRM_IOCTL_NR(ioctl)] = {.cmd = ioctl, .func = _func, .flags = _flags} | |
1da177e4 | 345 | |
8fc2fdf4 | 346 | struct drm_magic_entry { |
8669cbc5 | 347 | struct list_head head; |
e0be428e | 348 | struct drm_hash_item hash_item; |
b5e89ed5 | 349 | struct drm_file *priv; |
8fc2fdf4 | 350 | }; |
1da177e4 | 351 | |
8fc2fdf4 | 352 | struct drm_vma_entry { |
bd1b331f | 353 | struct list_head head; |
1da177e4 | 354 | struct vm_area_struct *vma; |
b5e89ed5 | 355 | pid_t pid; |
8fc2fdf4 | 356 | }; |
1da177e4 LT |
357 | |
358 | /** | |
359 | * DMA buffer. | |
360 | */ | |
056219e2 | 361 | struct drm_buf { |
b5e89ed5 DA |
362 | int idx; /**< Index into master buflist */ |
363 | int total; /**< Buffer size */ | |
364 | int order; /**< log-base-2(total) */ | |
365 | int used; /**< Amount of buffer in use (for DMA) */ | |
366 | unsigned long offset; /**< Byte offset (used internally) */ | |
367 | void *address; /**< Address of buffer */ | |
368 | unsigned long bus_address; /**< Bus address of buffer */ | |
369 | struct drm_buf *next; /**< Kernel-only: used for free list */ | |
370 | __volatile__ int waiting; /**< On kernel DMA queue */ | |
371 | __volatile__ int pending; /**< On hardware DMA queue */ | |
1da177e4 | 372 | wait_queue_head_t dma_wait; /**< Processes waiting */ |
6c340eac | 373 | struct drm_file *file_priv; /**< Private of holding file descr */ |
b5e89ed5 DA |
374 | int context; /**< Kernel queue for this buffer */ |
375 | int while_locked; /**< Dispatch this buffer while locked */ | |
1da177e4 | 376 | enum { |
b5e89ed5 DA |
377 | DRM_LIST_NONE = 0, |
378 | DRM_LIST_FREE = 1, | |
379 | DRM_LIST_WAIT = 2, | |
380 | DRM_LIST_PEND = 3, | |
381 | DRM_LIST_PRIO = 4, | |
1da177e4 | 382 | DRM_LIST_RECLAIM = 5 |
b5e89ed5 | 383 | } list; /**< Which list we're on */ |
1da177e4 | 384 | |
b5e89ed5 DA |
385 | int dev_priv_size; /**< Size of buffer private storage */ |
386 | void *dev_private; /**< Per-buffer private storage */ | |
056219e2 | 387 | }; |
1da177e4 | 388 | |
1da177e4 | 389 | /** bufs is one longer than it has to be */ |
cdd55a29 | 390 | struct drm_waitlist { |
b5e89ed5 | 391 | int count; /**< Number of possible buffers */ |
056219e2 DA |
392 | struct drm_buf **bufs; /**< List of pointers to buffers */ |
393 | struct drm_buf **rp; /**< Read pointer */ | |
394 | struct drm_buf **wp; /**< Write pointer */ | |
395 | struct drm_buf **end; /**< End pointer */ | |
b5e89ed5 DA |
396 | spinlock_t read_lock; |
397 | spinlock_t write_lock; | |
cdd55a29 | 398 | }; |
1da177e4 | 399 | |
cdd55a29 | 400 | struct drm_freelist { |
b5e89ed5 DA |
401 | int initialized; /**< Freelist in use */ |
402 | atomic_t count; /**< Number of free buffers */ | |
056219e2 | 403 | struct drm_buf *next; /**< End pointer */ |
1da177e4 LT |
404 | |
405 | wait_queue_head_t waiting; /**< Processes waiting on free bufs */ | |
b5e89ed5 DA |
406 | int low_mark; /**< Low water mark */ |
407 | int high_mark; /**< High water mark */ | |
408 | atomic_t wfh; /**< If waiting for high mark */ | |
409 | spinlock_t lock; | |
cdd55a29 | 410 | }; |
1da177e4 | 411 | |
ddf19b97 DA |
412 | typedef struct drm_dma_handle { |
413 | dma_addr_t busaddr; | |
414 | void *vaddr; | |
415 | size_t size; | |
416 | } drm_dma_handle_t; | |
417 | ||
1da177e4 LT |
418 | /** |
419 | * Buffer entry. There is one of this for each buffer size order. | |
420 | */ | |
cdd55a29 | 421 | struct drm_buf_entry { |
b5e89ed5 DA |
422 | int buf_size; /**< size */ |
423 | int buf_count; /**< number of buffers */ | |
056219e2 | 424 | struct drm_buf *buflist; /**< buffer list */ |
b5e89ed5 DA |
425 | int seg_count; |
426 | int page_order; | |
cdd55a29 | 427 | struct drm_dma_handle **seglist; |
b5e89ed5 | 428 | |
cdd55a29 DA |
429 | struct drm_freelist freelist; |
430 | }; | |
1da177e4 LT |
431 | |
432 | /** File private data */ | |
84b1fd10 | 433 | struct drm_file { |
b5e89ed5 | 434 | int authenticated; |
b5e89ed5 DA |
435 | pid_t pid; |
436 | uid_t uid; | |
437 | drm_magic_t magic; | |
438 | unsigned long ioctl_count; | |
bd1b331f | 439 | struct list_head lhead; |
2c14f28b | 440 | struct drm_minor *minor; |
b5e89ed5 | 441 | unsigned long lock_count; |
7c1c2871 | 442 | |
673a394b EA |
443 | /** Mapping of mm object handles to object pointers. */ |
444 | struct idr object_idr; | |
445 | /** Lock for synchronization of access to object_idr. */ | |
446 | spinlock_t table_lock; | |
7c1c2871 | 447 | |
6c340eac | 448 | struct file *filp; |
8562b3f2 | 449 | void *driver_priv; |
7c1c2871 DA |
450 | |
451 | int is_master; /* this file private is a master for a minor */ | |
452 | struct drm_master *master; /* master this node is currently associated with | |
453 | N.B. not always minor->master */ | |
f453ba04 | 454 | struct list_head fbs; |
84b1fd10 | 455 | }; |
1da177e4 LT |
456 | |
457 | /** Wait queue */ | |
cdd55a29 | 458 | struct drm_queue { |
b5e89ed5 DA |
459 | atomic_t use_count; /**< Outstanding uses (+1) */ |
460 | atomic_t finalization; /**< Finalization in progress */ | |
461 | atomic_t block_count; /**< Count of processes waiting */ | |
462 | atomic_t block_read; /**< Queue blocked for reads */ | |
1da177e4 | 463 | wait_queue_head_t read_queue; /**< Processes waiting on block_read */ |
b5e89ed5 | 464 | atomic_t block_write; /**< Queue blocked for writes */ |
1da177e4 | 465 | wait_queue_head_t write_queue; /**< Processes waiting on block_write */ |
b5e89ed5 DA |
466 | atomic_t total_queued; /**< Total queued statistic */ |
467 | atomic_t total_flushed; /**< Total flushes statistic */ | |
468 | atomic_t total_locks; /**< Total locks statistics */ | |
c60ce623 | 469 | enum drm_ctx_flags flags; /**< Context preserving and 2D-only */ |
cdd55a29 | 470 | struct drm_waitlist waitlist; /**< Pending buffers */ |
1da177e4 | 471 | wait_queue_head_t flush_queue; /**< Processes waiting until flush */ |
cdd55a29 | 472 | }; |
1da177e4 LT |
473 | |
474 | /** | |
475 | * Lock data. | |
476 | */ | |
55910517 | 477 | struct drm_lock_data { |
c60ce623 | 478 | struct drm_hw_lock *hw_lock; /**< Hardware lock */ |
8562b3f2 DA |
479 | /** Private of lock holder's file (NULL=kernel) */ |
480 | struct drm_file *file_priv; | |
1da177e4 | 481 | wait_queue_head_t lock_queue; /**< Queue of blocked processes */ |
b5e89ed5 | 482 | unsigned long lock_time; /**< Time of last lock in jiffies */ |
040ac320 TH |
483 | spinlock_t spinlock; |
484 | uint32_t kernel_waiters; | |
485 | uint32_t user_waiters; | |
486 | int idle_has_lock; | |
55910517 | 487 | }; |
1da177e4 LT |
488 | |
489 | /** | |
490 | * DMA data. | |
491 | */ | |
cdd55a29 | 492 | struct drm_device_dma { |
1da177e4 | 493 | |
cdd55a29 | 494 | struct drm_buf_entry bufs[DRM_MAX_ORDER + 1]; /**< buffers, grouped by their size order */ |
b5e89ed5 | 495 | int buf_count; /**< total number of buffers */ |
056219e2 | 496 | struct drm_buf **buflist; /**< Vector of pointers into drm_device_dma::bufs */ |
b5e89ed5 DA |
497 | int seg_count; |
498 | int page_count; /**< number of pages */ | |
499 | unsigned long *pagelist; /**< page list */ | |
500 | unsigned long byte_count; | |
1da177e4 LT |
501 | enum { |
502 | _DRM_DMA_USE_AGP = 0x01, | |
b5e89ed5 | 503 | _DRM_DMA_USE_SG = 0x02, |
3417f33e GS |
504 | _DRM_DMA_USE_FB = 0x04, |
505 | _DRM_DMA_USE_PCI_RO = 0x08 | |
1da177e4 LT |
506 | } flags; |
507 | ||
cdd55a29 | 508 | }; |
1da177e4 | 509 | |
b5e89ed5 | 510 | /** |
1da177e4 LT |
511 | * AGP memory entry. Stored as a doubly linked list. |
512 | */ | |
55910517 | 513 | struct drm_agp_mem { |
b5e89ed5 DA |
514 | unsigned long handle; /**< handle */ |
515 | DRM_AGP_MEM *memory; | |
516 | unsigned long bound; /**< address */ | |
517 | int pages; | |
bd1b331f | 518 | struct list_head head; |
55910517 | 519 | }; |
1da177e4 LT |
520 | |
521 | /** | |
522 | * AGP data. | |
523 | * | |
524 | * \sa drm_agp_init() and drm_device::agp. | |
525 | */ | |
55910517 | 526 | struct drm_agp_head { |
b5e89ed5 | 527 | DRM_AGP_KERN agp_info; /**< AGP device information */ |
bd1b331f | 528 | struct list_head memory; |
b5e89ed5 DA |
529 | unsigned long mode; /**< AGP mode */ |
530 | struct agp_bridge_data *bridge; | |
531 | int enabled; /**< whether the AGP bus as been enabled */ | |
532 | int acquired; /**< whether the AGP device has been acquired */ | |
533 | unsigned long base; | |
534 | int agp_mtrr; | |
535 | int cant_use_aperture; | |
536 | unsigned long page_mask; | |
55910517 | 537 | }; |
1da177e4 LT |
538 | |
539 | /** | |
540 | * Scatter-gather memory. | |
541 | */ | |
55910517 | 542 | struct drm_sg_mem { |
b5e89ed5 DA |
543 | unsigned long handle; |
544 | void *virtual; | |
545 | int pages; | |
546 | struct page **pagelist; | |
547 | dma_addr_t *busaddr; | |
55910517 | 548 | }; |
1da177e4 | 549 | |
55910517 | 550 | struct drm_sigdata { |
b5e89ed5 | 551 | int context; |
c60ce623 | 552 | struct drm_hw_lock *lock; |
55910517 | 553 | }; |
1da177e4 | 554 | |
8562b3f2 DA |
555 | |
556 | /* | |
557 | * Generic memory manager structs | |
558 | */ | |
559 | ||
560 | struct drm_mm_node { | |
561 | struct list_head fl_entry; | |
562 | struct list_head ml_entry; | |
563 | int free; | |
564 | unsigned long start; | |
565 | unsigned long size; | |
566 | struct drm_mm *mm; | |
567 | void *private; | |
568 | }; | |
569 | ||
570 | struct drm_mm { | |
571 | struct list_head fl_entry; | |
572 | struct list_head ml_entry; | |
573 | }; | |
574 | ||
575 | ||
f77d390c BH |
576 | /** |
577 | * Kernel side of a mapping | |
578 | */ | |
579 | struct drm_local_map { | |
41c2e75e | 580 | resource_size_t offset; /**< Requested physical address (0 for SAREA)*/ |
f77d390c BH |
581 | unsigned long size; /**< Requested physical size (bytes) */ |
582 | enum drm_map_type type; /**< Type of memory to map */ | |
583 | enum drm_map_flags flags; /**< Flags */ | |
584 | void *handle; /**< User-space: "Handle" to pass to mmap() */ | |
585 | /**< Kernel-space: kernel-virtual address */ | |
586 | int mtrr; /**< MTRR slot used */ | |
587 | }; | |
588 | ||
589 | typedef struct drm_local_map drm_local_map_t; | |
590 | ||
1da177e4 LT |
591 | /** |
592 | * Mappings list | |
593 | */ | |
55910517 | 594 | struct drm_map_list { |
b5e89ed5 | 595 | struct list_head head; /**< list head */ |
e0be428e | 596 | struct drm_hash_item hash; |
f77d390c | 597 | struct drm_local_map *map; /**< mapping */ |
8562b3f2 | 598 | uint64_t user_token; |
7c1c2871 | 599 | struct drm_master *master; |
a2c0a97b | 600 | struct drm_mm_node *file_offset_node; /**< fake offset */ |
55910517 | 601 | }; |
1da177e4 | 602 | |
1da177e4 LT |
603 | /** |
604 | * Context handle list | |
605 | */ | |
55910517 | 606 | struct drm_ctx_list { |
b5e89ed5 DA |
607 | struct list_head head; /**< list head */ |
608 | drm_context_t handle; /**< context handle */ | |
84b1fd10 | 609 | struct drm_file *tag; /**< associated fd private data */ |
55910517 | 610 | }; |
1da177e4 | 611 | |
ea98a92f DA |
612 | /* location of GART table */ |
613 | #define DRM_ATI_GART_MAIN 1 | |
614 | #define DRM_ATI_GART_FB 2 | |
615 | ||
f2b04cd2 DA |
616 | #define DRM_ATI_GART_PCI 1 |
617 | #define DRM_ATI_GART_PCIE 2 | |
618 | #define DRM_ATI_GART_IGP 3 | |
619 | ||
55910517 | 620 | struct drm_ati_pcigart_info { |
ea98a92f | 621 | int gart_table_location; |
f2b04cd2 | 622 | int gart_reg_if; |
f26c473c | 623 | void *addr; |
ea98a92f | 624 | dma_addr_t bus_addr; |
b05c2385 DA |
625 | dma_addr_t table_mask; |
626 | struct drm_dma_handle *table_handle; | |
f77d390c | 627 | struct drm_local_map mapping; |
f2b04cd2 | 628 | int table_size; |
55910517 | 629 | }; |
ea98a92f | 630 | |
a2c0a97b JB |
631 | /** |
632 | * GEM specific mm private for tracking GEM objects | |
633 | */ | |
634 | struct drm_gem_mm { | |
635 | struct drm_mm offset_manager; /**< Offset mgmt for buffer objects */ | |
636 | struct drm_open_hash offset_hash; /**< User token hash table for maps */ | |
637 | }; | |
638 | ||
673a394b EA |
639 | /** |
640 | * This structure defines the drm_mm memory object, which will be used by the | |
641 | * DRM for its buffer objects. | |
642 | */ | |
643 | struct drm_gem_object { | |
644 | /** Reference count of this object */ | |
645 | struct kref refcount; | |
646 | ||
647 | /** Handle count of this object. Each handle also holds a reference */ | |
648 | struct kref handlecount; | |
649 | ||
650 | /** Related drm device */ | |
651 | struct drm_device *dev; | |
652 | ||
653 | /** File representing the shmem storage */ | |
654 | struct file *filp; | |
655 | ||
a2c0a97b JB |
656 | /* Mapping info for this object */ |
657 | struct drm_map_list map_list; | |
658 | ||
673a394b EA |
659 | /** |
660 | * Size of the object, in bytes. Immutable over the object's | |
661 | * lifetime. | |
662 | */ | |
663 | size_t size; | |
664 | ||
665 | /** | |
666 | * Global name for this object, starts at 1. 0 means unnamed. | |
667 | * Access is covered by the object_name_lock in the related drm_device | |
668 | */ | |
669 | int name; | |
670 | ||
671 | /** | |
672 | * Memory domains. These monitor which caches contain read/write data | |
673 | * related to the object. When transitioning from one set of domains | |
674 | * to another, the driver is called to ensure that caches are suitably | |
675 | * flushed and invalidated | |
676 | */ | |
677 | uint32_t read_domains; | |
678 | uint32_t write_domain; | |
679 | ||
680 | /** | |
681 | * While validating an exec operation, the | |
682 | * new read/write domain values are computed here. | |
683 | * They will be transferred to the above values | |
684 | * at the point that any cache flushing occurs | |
685 | */ | |
686 | uint32_t pending_read_domains; | |
687 | uint32_t pending_write_domain; | |
688 | ||
689 | void *driver_private; | |
690 | }; | |
691 | ||
f453ba04 DA |
692 | #include "drm_crtc.h" |
693 | ||
7c1c2871 DA |
694 | /* per-master structure */ |
695 | struct drm_master { | |
696 | ||
697 | struct kref refcount; /* refcount for this master */ | |
698 | ||
699 | struct list_head head; /**< each minor contains a list of masters */ | |
700 | struct drm_minor *minor; /**< link back to minor we are a master for */ | |
701 | ||
702 | char *unique; /**< Unique identifier: e.g., busid */ | |
703 | int unique_len; /**< Length of unique field */ | |
1147c9cd | 704 | int unique_size; /**< amount allocated */ |
7c1c2871 DA |
705 | |
706 | int blocked; /**< Blocked due to VC switch? */ | |
707 | ||
708 | /** \name Authentication */ | |
709 | /*@{ */ | |
710 | struct drm_open_hash magiclist; | |
711 | struct list_head magicfree; | |
712 | /*@} */ | |
713 | ||
714 | struct drm_lock_data lock; /**< Information on hardware lock */ | |
715 | ||
716 | void *driver_priv; /**< Private structure for driver to use */ | |
717 | }; | |
718 | ||
1da177e4 LT |
719 | /** |
720 | * DRM driver structure. This structure represent the common code for | |
721 | * a family of cards. There will one drm_device for each card present | |
722 | * in this family | |
723 | */ | |
1da177e4 | 724 | struct drm_driver { |
22eae947 DA |
725 | int (*load) (struct drm_device *, unsigned long flags); |
726 | int (*firstopen) (struct drm_device *); | |
84b1fd10 | 727 | int (*open) (struct drm_device *, struct drm_file *); |
6c340eac | 728 | void (*preclose) (struct drm_device *, struct drm_file *file_priv); |
84b1fd10 | 729 | void (*postclose) (struct drm_device *, struct drm_file *); |
22eae947 DA |
730 | void (*lastclose) (struct drm_device *); |
731 | int (*unload) (struct drm_device *); | |
b932ccb5 | 732 | int (*suspend) (struct drm_device *, pm_message_t state); |
e8b962b6 | 733 | int (*resume) (struct drm_device *); |
c153f45f | 734 | int (*dma_ioctl) (struct drm_device *dev, void *data, struct drm_file *file_priv); |
b5e89ed5 DA |
735 | void (*dma_ready) (struct drm_device *); |
736 | int (*dma_quiescent) (struct drm_device *); | |
84b1fd10 DA |
737 | int (*context_ctor) (struct drm_device *dev, int context); |
738 | int (*context_dtor) (struct drm_device *dev, int context); | |
739 | int (*kernel_context_switch) (struct drm_device *dev, int old, | |
b5e89ed5 | 740 | int new); |
af6061af | 741 | void (*kernel_context_switch_unlock) (struct drm_device *dev); |
b5e89ed5 | 742 | |
0a3e67a4 JB |
743 | /** |
744 | * get_vblank_counter - get raw hardware vblank counter | |
745 | * @dev: DRM device | |
746 | * @crtc: counter to fetch | |
747 | * | |
748 | * Driver callback for fetching a raw hardware vblank counter | |
749 | * for @crtc. If a device doesn't have a hardware counter, the | |
750 | * driver can simply return the value of drm_vblank_count and | |
751 | * make the enable_vblank() and disable_vblank() hooks into no-ops, | |
752 | * leaving interrupts enabled at all times. | |
753 | * | |
754 | * Wraparound handling and loss of events due to modesetting is dealt | |
755 | * with in the DRM core code. | |
756 | * | |
757 | * RETURNS | |
758 | * Raw vblank counter value. | |
759 | */ | |
760 | u32 (*get_vblank_counter) (struct drm_device *dev, int crtc); | |
761 | ||
762 | /** | |
763 | * enable_vblank - enable vblank interrupt events | |
764 | * @dev: DRM device | |
765 | * @crtc: which irq to enable | |
766 | * | |
767 | * Enable vblank interrupts for @crtc. If the device doesn't have | |
768 | * a hardware vblank counter, this routine should be a no-op, since | |
769 | * interrupts will have to stay on to keep the count accurate. | |
770 | * | |
771 | * RETURNS | |
772 | * Zero on success, appropriate errno if the given @crtc's vblank | |
773 | * interrupt cannot be enabled. | |
774 | */ | |
775 | int (*enable_vblank) (struct drm_device *dev, int crtc); | |
776 | ||
777 | /** | |
778 | * disable_vblank - disable vblank interrupt events | |
779 | * @dev: DRM device | |
780 | * @crtc: which irq to enable | |
781 | * | |
782 | * Disable vblank interrupts for @crtc. If the device doesn't have | |
783 | * a hardware vblank counter, this routine should be a no-op, since | |
784 | * interrupts will have to stay on to keep the count accurate. | |
785 | */ | |
786 | void (*disable_vblank) (struct drm_device *dev, int crtc); | |
787 | ||
cda17380 DA |
788 | /** |
789 | * Called by \c drm_device_is_agp. Typically used to determine if a | |
790 | * card is really attached to AGP or not. | |
791 | * | |
792 | * \param dev DRM device handle | |
793 | * | |
794 | * \returns | |
795 | * One of three values is returned depending on whether or not the | |
796 | * card is absolutely \b not AGP (return of 0), absolutely \b is AGP | |
797 | * (return of 1), or may or may not be AGP (return of 2). | |
798 | */ | |
84b1fd10 | 799 | int (*device_is_agp) (struct drm_device *dev); |
cda17380 | 800 | |
1da177e4 | 801 | /* these have to be filled in */ |
b5e89ed5 | 802 | |
22eae947 | 803 | irqreturn_t(*irq_handler) (DRM_IRQ_ARGS); |
84b1fd10 | 804 | void (*irq_preinstall) (struct drm_device *dev); |
0a3e67a4 | 805 | int (*irq_postinstall) (struct drm_device *dev); |
84b1fd10 | 806 | void (*irq_uninstall) (struct drm_device *dev); |
6c340eac EA |
807 | void (*reclaim_buffers) (struct drm_device *dev, |
808 | struct drm_file * file_priv); | |
d985c108 | 809 | void (*reclaim_buffers_locked) (struct drm_device *dev, |
6c340eac | 810 | struct drm_file *file_priv); |
040ac320 | 811 | void (*reclaim_buffers_idlelocked) (struct drm_device *dev, |
6c340eac | 812 | struct drm_file *file_priv); |
41c2e75e BH |
813 | resource_size_t (*get_map_ofs) (struct drm_local_map * map); |
814 | resource_size_t (*get_reg_ofs) (struct drm_device *dev); | |
84b1fd10 | 815 | void (*set_version) (struct drm_device *dev, |
c60ce623 | 816 | struct drm_set_version *sv); |
22eae947 | 817 | |
7c1c2871 DA |
818 | /* Master routines */ |
819 | int (*master_create)(struct drm_device *dev, struct drm_master *master); | |
820 | void (*master_destroy)(struct drm_device *dev, struct drm_master *master); | |
821 | ||
673a394b EA |
822 | int (*proc_init)(struct drm_minor *minor); |
823 | void (*proc_cleanup)(struct drm_minor *minor); | |
955b12de BG |
824 | int (*debugfs_init)(struct drm_minor *minor); |
825 | void (*debugfs_cleanup)(struct drm_minor *minor); | |
673a394b EA |
826 | |
827 | /** | |
828 | * Driver-specific constructor for drm_gem_objects, to set up | |
829 | * obj->driver_private. | |
830 | * | |
831 | * Returns 0 on success. | |
832 | */ | |
833 | int (*gem_init_object) (struct drm_gem_object *obj); | |
834 | void (*gem_free_object) (struct drm_gem_object *obj); | |
835 | ||
a2c0a97b JB |
836 | /* Driver private ops for this object */ |
837 | struct vm_operations_struct *gem_vm_ops; | |
838 | ||
22eae947 DA |
839 | int major; |
840 | int minor; | |
841 | int patchlevel; | |
842 | char *name; | |
843 | char *desc; | |
844 | char *date; | |
845 | ||
1da177e4 LT |
846 | u32 driver_features; |
847 | int dev_priv_size; | |
c153f45f | 848 | struct drm_ioctl_desc *ioctls; |
1da177e4 LT |
849 | int num_ioctls; |
850 | struct file_operations fops; | |
851 | struct pci_driver pci_driver; | |
e7f7ab45 DA |
852 | /* List of devices hanging off this driver */ |
853 | struct list_head device_list; | |
1da177e4 LT |
854 | }; |
855 | ||
2c14f28b DA |
856 | #define DRM_MINOR_UNASSIGNED 0 |
857 | #define DRM_MINOR_LEGACY 1 | |
f453ba04 DA |
858 | #define DRM_MINOR_CONTROL 2 |
859 | #define DRM_MINOR_RENDER 3 | |
2c14f28b | 860 | |
955b12de BG |
861 | |
862 | /** | |
863 | * debugfs node list. This structure represents a debugfs file to | |
864 | * be created by the drm core | |
865 | */ | |
866 | struct drm_debugfs_list { | |
867 | const char *name; /** file name */ | |
868 | int (*show)(struct seq_file*, void*); /** show callback */ | |
869 | u32 driver_features; /**< Required driver features for this entry */ | |
870 | }; | |
871 | ||
872 | /** | |
873 | * debugfs node structure. This structure represents a debugfs file. | |
874 | */ | |
875 | struct drm_debugfs_node { | |
876 | struct list_head list; | |
877 | struct drm_minor *minor; | |
878 | struct drm_debugfs_list *debugfs_ent; | |
879 | struct dentry *dent; | |
880 | }; | |
881 | ||
882 | /** | |
883 | * Info file list entry. This structure represents a debugfs or proc file to | |
884 | * be created by the drm core | |
885 | */ | |
886 | struct drm_info_list { | |
887 | const char *name; /** file name */ | |
888 | int (*show)(struct seq_file*, void*); /** show callback */ | |
889 | u32 driver_features; /**< Required driver features for this entry */ | |
890 | void *data; | |
891 | }; | |
892 | ||
893 | /** | |
894 | * debugfs node structure. This structure represents a debugfs file. | |
895 | */ | |
896 | struct drm_info_node { | |
897 | struct list_head list; | |
898 | struct drm_minor *minor; | |
899 | struct drm_info_list *info_ent; | |
900 | struct dentry *dent; | |
901 | }; | |
902 | ||
1da177e4 | 903 | /** |
2c14f28b | 904 | * DRM minor structure. This structure represents a drm minor number. |
1da177e4 | 905 | */ |
2c14f28b DA |
906 | struct drm_minor { |
907 | int index; /**< Minor device number */ | |
908 | int type; /**< Control or render */ | |
909 | dev_t device; /**< Device number for mknod */ | |
910 | struct device kdev; /**< Linux device */ | |
1da177e4 | 911 | struct drm_device *dev; |
955b12de BG |
912 | |
913 | struct proc_dir_entry *proc_root; /**< proc directory entry */ | |
914 | struct drm_info_node proc_nodes; | |
915 | struct dentry *debugfs_root; | |
916 | struct drm_info_node debugfs_nodes; | |
917 | ||
7c1c2871 DA |
918 | struct drm_master *master; /* currently active master for this node */ |
919 | struct list_head master_list; | |
f453ba04 | 920 | struct drm_mode_group mode_group; |
84b1fd10 | 921 | }; |
1da177e4 LT |
922 | |
923 | /** | |
924 | * DRM device structure. This structure represent a complete card that | |
925 | * may contain multiple heads. | |
926 | */ | |
84b1fd10 | 927 | struct drm_device { |
e7f7ab45 | 928 | struct list_head driver_item; /**< list of devices per driver */ |
b5e89ed5 DA |
929 | char *devname; /**< For /proc/interrupts */ |
930 | int if_version; /**< Highest interface version set */ | |
1da177e4 | 931 | |
1da177e4 | 932 | /** \name Locks */ |
b5e89ed5 DA |
933 | /*@{ */ |
934 | spinlock_t count_lock; /**< For inuse, drm_device::open_count, drm_device::buf_use */ | |
30e2fb18 | 935 | struct mutex struct_mutex; /**< For others */ |
b5e89ed5 | 936 | /*@} */ |
1da177e4 LT |
937 | |
938 | /** \name Usage Counters */ | |
b5e89ed5 DA |
939 | /*@{ */ |
940 | int open_count; /**< Outstanding files open */ | |
941 | atomic_t ioctl_count; /**< Outstanding IOCTLs pending */ | |
942 | atomic_t vma_count; /**< Outstanding vma areas open */ | |
943 | int buf_use; /**< Buffers in use -- cannot alloc */ | |
944 | atomic_t buf_alloc; /**< Buffer allocation in progress */ | |
945 | /*@} */ | |
1da177e4 LT |
946 | |
947 | /** \name Performance counters */ | |
b5e89ed5 DA |
948 | /*@{ */ |
949 | unsigned long counters; | |
c60ce623 | 950 | enum drm_stat_type types[15]; |
b5e89ed5 DA |
951 | atomic_t counts[15]; |
952 | /*@} */ | |
1da177e4 | 953 | |
bd1b331f | 954 | struct list_head filelist; |
1da177e4 LT |
955 | |
956 | /** \name Memory management */ | |
b5e89ed5 | 957 | /*@{ */ |
bd1b331f | 958 | struct list_head maplist; /**< Linked list of regions */ |
b5e89ed5 | 959 | int map_count; /**< Number of mappable regions */ |
e0be428e | 960 | struct drm_open_hash map_hash; /**< User token hash table for maps */ |
1da177e4 LT |
961 | |
962 | /** \name Context handle management */ | |
b5e89ed5 | 963 | /*@{ */ |
bd1b331f | 964 | struct list_head ctxlist; /**< Linked list of context handles */ |
b5e89ed5 | 965 | int ctx_count; /**< Number of context handles */ |
30e2fb18 | 966 | struct mutex ctxlist_mutex; /**< For ctxlist */ |
1da177e4 | 967 | |
62968144 | 968 | struct idr ctx_idr; |
1da177e4 | 969 | |
bd1b331f | 970 | struct list_head vmalist; /**< List of vmas (for debugging) */ |
f453ba04 | 971 | |
b5e89ed5 | 972 | /*@} */ |
1da177e4 LT |
973 | |
974 | /** \name DMA queues (contexts) */ | |
b5e89ed5 DA |
975 | /*@{ */ |
976 | int queue_count; /**< Number of active DMA queues */ | |
977 | int queue_reserved; /**< Number of reserved DMA queues */ | |
978 | int queue_slots; /**< Actual length of queuelist */ | |
cdd55a29 DA |
979 | struct drm_queue **queuelist; /**< Vector of pointers to DMA queues */ |
980 | struct drm_device_dma *dma; /**< Optional pointer for DMA support */ | |
b5e89ed5 | 981 | /*@} */ |
1da177e4 LT |
982 | |
983 | /** \name Context support */ | |
b5e89ed5 | 984 | /*@{ */ |
b5e89ed5 | 985 | int irq_enabled; /**< True if irq handler is enabled */ |
1da177e4 LT |
986 | __volatile__ long context_flag; /**< Context swapping flag */ |
987 | __volatile__ long interrupt_flag; /**< Interruption handler flag */ | |
988 | __volatile__ long dma_flag; /**< DMA dispatch flag */ | |
989 | struct timer_list timer; /**< Timer for delaying ctx switch */ | |
b5e89ed5 DA |
990 | wait_queue_head_t context_wait; /**< Processes waiting on ctx switch */ |
991 | int last_checked; /**< Last context checked for DMA */ | |
992 | int last_context; /**< Last current context */ | |
993 | unsigned long last_switch; /**< jiffies at last context switch */ | |
994 | /*@} */ | |
995 | ||
996 | struct work_struct work; | |
1da177e4 | 997 | /** \name VBLANK IRQ support */ |
b5e89ed5 DA |
998 | /*@{ */ |
999 | ||
0a3e67a4 JB |
1000 | /* |
1001 | * At load time, disabling the vblank interrupt won't be allowed since | |
1002 | * old clients may not call the modeset ioctl and therefore misbehave. | |
1003 | * Once the modeset ioctl *has* been called though, we can safely | |
1004 | * disable them when unused. | |
1005 | */ | |
1006 | int vblank_disable_allowed; | |
1007 | ||
1008 | wait_queue_head_t *vbl_queue; /**< VBLANK wait queue */ | |
1009 | atomic_t *_vblank_count; /**< number of VBLANK interrupts (driver must alloc the right number of counters) */ | |
b5e89ed5 | 1010 | spinlock_t vbl_lock; |
0a3e67a4 JB |
1011 | atomic_t *vblank_refcount; /* number of users of vblank interruptsper crtc */ |
1012 | u32 *last_vblank; /* protected by dev->vbl_lock, used */ | |
1013 | /* for wraparound handling */ | |
1014 | int *vblank_enabled; /* so we don't call enable more than | |
1015 | once per disable */ | |
1016 | int *vblank_inmodeset; /* Display driver is setting mode */ | |
fede5c91 | 1017 | u32 *last_vblank_wait; /* Last vblank seqno waited per CRTC */ |
0a3e67a4 JB |
1018 | struct timer_list vblank_disable_timer; |
1019 | ||
1020 | u32 max_vblank_count; /**< size of vblank counter register */ | |
b5e89ed5 DA |
1021 | |
1022 | /*@} */ | |
1023 | cycles_t ctx_start; | |
1024 | cycles_t lck_start; | |
1025 | ||
1da177e4 LT |
1026 | struct fasync_struct *buf_async;/**< Processes waiting for SIGIO */ |
1027 | wait_queue_head_t buf_readers; /**< Processes waiting to read */ | |
1028 | wait_queue_head_t buf_writers; /**< Processes waiting to ctx switch */ | |
1029 | ||
55910517 | 1030 | struct drm_agp_head *agp; /**< AGP data */ |
1da177e4 | 1031 | |
b5e89ed5 | 1032 | struct pci_dev *pdev; /**< PCI device structure */ |
2f02cc3f EA |
1033 | int pci_vendor; /**< PCI vendor id */ |
1034 | int pci_device; /**< PCI device id */ | |
1da177e4 | 1035 | #ifdef __alpha__ |
1da177e4 | 1036 | struct pci_controller *hose; |
1da177e4 | 1037 | #endif |
55910517 | 1038 | struct drm_sg_mem *sg; /**< Scatter gather memory */ |
0a3e67a4 | 1039 | int num_crtcs; /**< Number of CRTCs on this device */ |
b5e89ed5 | 1040 | void *dev_private; /**< device private data */ |
a2c0a97b JB |
1041 | void *mm_private; |
1042 | struct address_space *dev_mapping; | |
55910517 | 1043 | struct drm_sigdata sigdata; /**< For block_all_signals */ |
b5e89ed5 DA |
1044 | sigset_t sigmask; |
1045 | ||
1046 | struct drm_driver *driver; | |
f77d390c | 1047 | struct drm_local_map *agp_buffer_map; |
d1f2b55a | 1048 | unsigned int agp_buffer_token; |
f453ba04 | 1049 | struct drm_minor *control; /**< Control node for card */ |
2c14f28b | 1050 | struct drm_minor *primary; /**< render type primary screen head */ |
bea5679f MCA |
1051 | |
1052 | /** \name Drawable information */ | |
1053 | /*@{ */ | |
1054 | spinlock_t drw_lock; | |
d4e2cbe9 | 1055 | struct idr drw_idr; |
bea5679f | 1056 | /*@} */ |
673a394b | 1057 | |
f453ba04 DA |
1058 | struct drm_mode_config mode_config; /**< Current mode config */ |
1059 | ||
673a394b EA |
1060 | /** \name GEM information */ |
1061 | /*@{ */ | |
1062 | spinlock_t object_name_lock; | |
1063 | struct idr object_name_idr; | |
1064 | atomic_t object_count; | |
1065 | atomic_t object_memory; | |
1066 | atomic_t pin_count; | |
1067 | atomic_t pin_memory; | |
1068 | atomic_t gtt_count; | |
1069 | atomic_t gtt_memory; | |
1070 | uint32_t gtt_total; | |
1071 | uint32_t invalidate_domains; /* domains pending invalidation */ | |
1072 | uint32_t flush_domains; /* domains pending flush */ | |
1073 | /*@} */ | |
1074 | ||
84b1fd10 | 1075 | }; |
1da177e4 | 1076 | |
9bfbd5cb JB |
1077 | static inline int drm_dev_to_irq(struct drm_device *dev) |
1078 | { | |
1079 | return dev->pdev->irq; | |
1080 | } | |
1081 | ||
b5e89ed5 DA |
1082 | static __inline__ int drm_core_check_feature(struct drm_device *dev, |
1083 | int feature) | |
1da177e4 LT |
1084 | { |
1085 | return ((dev->driver->driver_features & feature) ? 1 : 0); | |
1086 | } | |
1087 | ||
33229601 | 1088 | #ifdef __alpha__ |
6244270e | 1089 | #define drm_get_pci_domain(dev) dev->hose->index |
33229601 | 1090 | #else |
9b1a51b6 | 1091 | #define drm_get_pci_domain(dev) 0 |
33229601 DA |
1092 | #endif |
1093 | ||
1da177e4 LT |
1094 | #if __OS_HAS_AGP |
1095 | static inline int drm_core_has_AGP(struct drm_device *dev) | |
1096 | { | |
b5e89ed5 | 1097 | return drm_core_check_feature(dev, DRIVER_USE_AGP); |
1da177e4 LT |
1098 | } |
1099 | #else | |
1100 | #define drm_core_has_AGP(dev) (0) | |
1101 | #endif | |
1102 | ||
1103 | #if __OS_HAS_MTRR | |
1104 | static inline int drm_core_has_MTRR(struct drm_device *dev) | |
1105 | { | |
b5e89ed5 | 1106 | return drm_core_check_feature(dev, DRIVER_USE_MTRR); |
1da177e4 | 1107 | } |
269dc512 DA |
1108 | |
1109 | #define DRM_MTRR_WC MTRR_TYPE_WRCOMB | |
1110 | ||
1111 | static inline int drm_mtrr_add(unsigned long offset, unsigned long size, | |
1112 | unsigned int flags) | |
1113 | { | |
1114 | return mtrr_add(offset, size, flags, 1); | |
1115 | } | |
1116 | ||
1117 | static inline int drm_mtrr_del(int handle, unsigned long offset, | |
1118 | unsigned long size, unsigned int flags) | |
1119 | { | |
1120 | return mtrr_del(handle, offset, size); | |
1121 | } | |
1122 | ||
1da177e4 LT |
1123 | #else |
1124 | #define drm_core_has_MTRR(dev) (0) | |
9c7d462e DA |
1125 | |
1126 | #define DRM_MTRR_WC 0 | |
1127 | ||
1128 | static inline int drm_mtrr_add(unsigned long offset, unsigned long size, | |
1129 | unsigned int flags) | |
1130 | { | |
1131 | return 0; | |
1132 | } | |
1133 | ||
1134 | static inline int drm_mtrr_del(int handle, unsigned long offset, | |
1135 | unsigned long size, unsigned int flags) | |
1136 | { | |
1137 | return 0; | |
1138 | } | |
1da177e4 LT |
1139 | #endif |
1140 | ||
1141 | /******************************************************************/ | |
1142 | /** \name Internal function definitions */ | |
1143 | /*@{*/ | |
1144 | ||
1da177e4 | 1145 | /* Driver support (drm_drv.h) */ |
b5e89ed5 DA |
1146 | extern int drm_init(struct drm_driver *driver); |
1147 | extern void drm_exit(struct drm_driver *driver); | |
1148 | extern int drm_ioctl(struct inode *inode, struct file *filp, | |
1149 | unsigned int cmd, unsigned long arg); | |
1150 | extern long drm_compat_ioctl(struct file *filp, | |
1151 | unsigned int cmd, unsigned long arg); | |
84b1fd10 | 1152 | extern int drm_lastclose(struct drm_device *dev); |
1da177e4 LT |
1153 | |
1154 | /* Device support (drm_fops.h) */ | |
b5e89ed5 DA |
1155 | extern int drm_open(struct inode *inode, struct file *filp); |
1156 | extern int drm_stub_open(struct inode *inode, struct file *filp); | |
b5e89ed5 DA |
1157 | extern int drm_fasync(int fd, struct file *filp, int on); |
1158 | extern int drm_release(struct inode *inode, struct file *filp); | |
1da177e4 LT |
1159 | |
1160 | /* Mapping support (drm_vm.h) */ | |
b5e89ed5 | 1161 | extern int drm_mmap(struct file *filp, struct vm_area_struct *vma); |
a2c0a97b JB |
1162 | extern int drm_mmap_locked(struct file *filp, struct vm_area_struct *vma); |
1163 | extern void drm_vm_open_locked(struct vm_area_struct *vma); | |
41c2e75e BH |
1164 | extern resource_size_t drm_core_get_map_ofs(struct drm_local_map * map); |
1165 | extern resource_size_t drm_core_get_reg_ofs(struct drm_device *dev); | |
b5e89ed5 | 1166 | extern unsigned int drm_poll(struct file *filp, struct poll_table_struct *wait); |
1da177e4 LT |
1167 | |
1168 | /* Memory management support (drm_memory.h) */ | |
1169 | #include "drm_memory.h" | |
b5e89ed5 DA |
1170 | extern void drm_mem_init(void); |
1171 | extern int drm_mem_info(char *buf, char **start, off_t offset, | |
1172 | int request, int *eof, void *data); | |
1173 | extern void *drm_realloc(void *oldpt, size_t oldsize, size_t size, int area); | |
b5e89ed5 | 1174 | |
84b1fd10 | 1175 | extern DRM_AGP_MEM *drm_alloc_agp(struct drm_device *dev, int pages, u32 type); |
b5e89ed5 DA |
1176 | extern int drm_free_agp(DRM_AGP_MEM * handle, int pages); |
1177 | extern int drm_bind_agp(DRM_AGP_MEM * handle, unsigned int start); | |
673a394b EA |
1178 | extern DRM_AGP_MEM *drm_agp_bind_pages(struct drm_device *dev, |
1179 | struct page **pages, | |
1180 | unsigned long num_pages, | |
ba1eb1d8 KP |
1181 | uint32_t gtt_offset, |
1182 | uint32_t type); | |
b5e89ed5 | 1183 | extern int drm_unbind_agp(DRM_AGP_MEM * handle); |
1da177e4 LT |
1184 | |
1185 | /* Misc. IOCTL support (drm_ioctl.h) */ | |
c153f45f EA |
1186 | extern int drm_irq_by_busid(struct drm_device *dev, void *data, |
1187 | struct drm_file *file_priv); | |
1188 | extern int drm_getunique(struct drm_device *dev, void *data, | |
1189 | struct drm_file *file_priv); | |
1190 | extern int drm_setunique(struct drm_device *dev, void *data, | |
1191 | struct drm_file *file_priv); | |
1192 | extern int drm_getmap(struct drm_device *dev, void *data, | |
1193 | struct drm_file *file_priv); | |
1194 | extern int drm_getclient(struct drm_device *dev, void *data, | |
1195 | struct drm_file *file_priv); | |
1196 | extern int drm_getstats(struct drm_device *dev, void *data, | |
1197 | struct drm_file *file_priv); | |
1198 | extern int drm_setversion(struct drm_device *dev, void *data, | |
1199 | struct drm_file *file_priv); | |
1200 | extern int drm_noop(struct drm_device *dev, void *data, | |
1201 | struct drm_file *file_priv); | |
1da177e4 LT |
1202 | |
1203 | /* Context IOCTL support (drm_context.h) */ | |
c153f45f EA |
1204 | extern int drm_resctx(struct drm_device *dev, void *data, |
1205 | struct drm_file *file_priv); | |
1206 | extern int drm_addctx(struct drm_device *dev, void *data, | |
1207 | struct drm_file *file_priv); | |
1208 | extern int drm_modctx(struct drm_device *dev, void *data, | |
1209 | struct drm_file *file_priv); | |
1210 | extern int drm_getctx(struct drm_device *dev, void *data, | |
1211 | struct drm_file *file_priv); | |
1212 | extern int drm_switchctx(struct drm_device *dev, void *data, | |
1213 | struct drm_file *file_priv); | |
1214 | extern int drm_newctx(struct drm_device *dev, void *data, | |
1215 | struct drm_file *file_priv); | |
1216 | extern int drm_rmctx(struct drm_device *dev, void *data, | |
1217 | struct drm_file *file_priv); | |
b5e89ed5 | 1218 | |
84b1fd10 DA |
1219 | extern int drm_ctxbitmap_init(struct drm_device *dev); |
1220 | extern void drm_ctxbitmap_cleanup(struct drm_device *dev); | |
1221 | extern void drm_ctxbitmap_free(struct drm_device *dev, int ctx_handle); | |
b5e89ed5 | 1222 | |
c153f45f EA |
1223 | extern int drm_setsareactx(struct drm_device *dev, void *data, |
1224 | struct drm_file *file_priv); | |
1225 | extern int drm_getsareactx(struct drm_device *dev, void *data, | |
1226 | struct drm_file *file_priv); | |
1da177e4 LT |
1227 | |
1228 | /* Drawable IOCTL support (drm_drawable.h) */ | |
c153f45f EA |
1229 | extern int drm_adddraw(struct drm_device *dev, void *data, |
1230 | struct drm_file *file_priv); | |
1231 | extern int drm_rmdraw(struct drm_device *dev, void *data, | |
1232 | struct drm_file *file_priv); | |
1233 | extern int drm_update_drawable_info(struct drm_device *dev, void *data, | |
1234 | struct drm_file *file_priv); | |
84b1fd10 | 1235 | extern struct drm_drawable_info *drm_get_drawable_info(struct drm_device *dev, |
bea5679f | 1236 | drm_drawable_t id); |
d4e2cbe9 | 1237 | extern void drm_drawable_free_all(struct drm_device *dev); |
1da177e4 LT |
1238 | |
1239 | /* Authentication IOCTL support (drm_auth.h) */ | |
c153f45f EA |
1240 | extern int drm_getmagic(struct drm_device *dev, void *data, |
1241 | struct drm_file *file_priv); | |
1242 | extern int drm_authmagic(struct drm_device *dev, void *data, | |
1243 | struct drm_file *file_priv); | |
1da177e4 | 1244 | |
673a394b EA |
1245 | /* Cache management (drm_cache.c) */ |
1246 | void drm_clflush_pages(struct page *pages[], unsigned long num_pages); | |
1247 | ||
1da177e4 | 1248 | /* Locking IOCTL support (drm_lock.h) */ |
c153f45f EA |
1249 | extern int drm_lock(struct drm_device *dev, void *data, |
1250 | struct drm_file *file_priv); | |
1251 | extern int drm_unlock(struct drm_device *dev, void *data, | |
1252 | struct drm_file *file_priv); | |
55910517 DA |
1253 | extern int drm_lock_take(struct drm_lock_data *lock_data, unsigned int context); |
1254 | extern int drm_lock_free(struct drm_lock_data *lock_data, unsigned int context); | |
1255 | extern void drm_idlelock_take(struct drm_lock_data *lock_data); | |
1256 | extern void drm_idlelock_release(struct drm_lock_data *lock_data); | |
040ac320 TH |
1257 | |
1258 | /* | |
1259 | * These are exported to drivers so that they can implement fencing using | |
1260 | * DMA quiscent + idle. DMA quiescent usually requires the hardware lock. | |
1261 | */ | |
1262 | ||
c153f45f | 1263 | extern int drm_i_have_hw_lock(struct drm_device *dev, struct drm_file *file_priv); |
1da177e4 LT |
1264 | |
1265 | /* Buffer management support (drm_bufs.h) */ | |
84b1fd10 DA |
1266 | extern int drm_addbufs_agp(struct drm_device *dev, struct drm_buf_desc * request); |
1267 | extern int drm_addbufs_pci(struct drm_device *dev, struct drm_buf_desc * request); | |
41c2e75e | 1268 | extern int drm_addmap(struct drm_device *dev, resource_size_t offset, |
c60ce623 | 1269 | unsigned int size, enum drm_map_type type, |
f77d390c | 1270 | enum drm_map_flags flags, struct drm_local_map **map_ptr); |
c153f45f EA |
1271 | extern int drm_addmap_ioctl(struct drm_device *dev, void *data, |
1272 | struct drm_file *file_priv); | |
f77d390c BH |
1273 | extern int drm_rmmap(struct drm_device *dev, struct drm_local_map *map); |
1274 | extern int drm_rmmap_locked(struct drm_device *dev, struct drm_local_map *map); | |
c153f45f EA |
1275 | extern int drm_rmmap_ioctl(struct drm_device *dev, void *data, |
1276 | struct drm_file *file_priv); | |
1277 | extern int drm_addbufs(struct drm_device *dev, void *data, | |
1278 | struct drm_file *file_priv); | |
1279 | extern int drm_infobufs(struct drm_device *dev, void *data, | |
1280 | struct drm_file *file_priv); | |
1281 | extern int drm_markbufs(struct drm_device *dev, void *data, | |
1282 | struct drm_file *file_priv); | |
1283 | extern int drm_freebufs(struct drm_device *dev, void *data, | |
1284 | struct drm_file *file_priv); | |
1285 | extern int drm_mapbufs(struct drm_device *dev, void *data, | |
1286 | struct drm_file *file_priv); | |
b5e89ed5 | 1287 | extern int drm_order(unsigned long size); |
d883f7f1 BH |
1288 | extern resource_size_t drm_get_resource_start(struct drm_device *dev, |
1289 | unsigned int resource); | |
1290 | extern resource_size_t drm_get_resource_len(struct drm_device *dev, | |
836cf046 | 1291 | unsigned int resource); |
1da177e4 LT |
1292 | |
1293 | /* DMA support (drm_dma.h) */ | |
84b1fd10 DA |
1294 | extern int drm_dma_setup(struct drm_device *dev); |
1295 | extern void drm_dma_takedown(struct drm_device *dev); | |
056219e2 | 1296 | extern void drm_free_buffer(struct drm_device *dev, struct drm_buf * buf); |
6c340eac EA |
1297 | extern void drm_core_reclaim_buffers(struct drm_device *dev, |
1298 | struct drm_file *filp); | |
1da177e4 LT |
1299 | |
1300 | /* IRQ support (drm_irq.h) */ | |
c153f45f EA |
1301 | extern int drm_control(struct drm_device *dev, void *data, |
1302 | struct drm_file *file_priv); | |
b5e89ed5 | 1303 | extern irqreturn_t drm_irq_handler(DRM_IRQ_ARGS); |
dbb19d30 | 1304 | extern int drm_irq_install(struct drm_device *dev); |
84b1fd10 DA |
1305 | extern int drm_irq_uninstall(struct drm_device *dev); |
1306 | extern void drm_driver_irq_preinstall(struct drm_device *dev); | |
1307 | extern void drm_driver_irq_postinstall(struct drm_device *dev); | |
1308 | extern void drm_driver_irq_uninstall(struct drm_device *dev); | |
b5e89ed5 | 1309 | |
0a3e67a4 | 1310 | extern int drm_vblank_init(struct drm_device *dev, int num_crtcs); |
af6061af | 1311 | extern int drm_wait_vblank(struct drm_device *dev, void *data, |
0a3e67a4 | 1312 | struct drm_file *filp); |
af6061af | 1313 | extern int drm_vblank_wait(struct drm_device *dev, unsigned int *vbl_seq); |
0a3e67a4 JB |
1314 | extern u32 drm_vblank_count(struct drm_device *dev, int crtc); |
1315 | extern void drm_handle_vblank(struct drm_device *dev, int crtc); | |
1316 | extern int drm_vblank_get(struct drm_device *dev, int crtc); | |
1317 | extern void drm_vblank_put(struct drm_device *dev, int crtc); | |
52440211 | 1318 | extern void drm_vblank_cleanup(struct drm_device *dev); |
0a3e67a4 | 1319 | /* Modesetting support */ |
f453ba04 DA |
1320 | extern void drm_vblank_pre_modeset(struct drm_device *dev, int crtc); |
1321 | extern void drm_vblank_post_modeset(struct drm_device *dev, int crtc); | |
0a3e67a4 JB |
1322 | extern int drm_modeset_ctl(struct drm_device *dev, void *data, |
1323 | struct drm_file *file_priv); | |
1da177e4 LT |
1324 | |
1325 | /* AGP/GART support (drm_agpsupport.h) */ | |
55910517 | 1326 | extern struct drm_agp_head *drm_agp_init(struct drm_device *dev); |
84b1fd10 | 1327 | extern int drm_agp_acquire(struct drm_device *dev); |
c153f45f EA |
1328 | extern int drm_agp_acquire_ioctl(struct drm_device *dev, void *data, |
1329 | struct drm_file *file_priv); | |
84b1fd10 | 1330 | extern int drm_agp_release(struct drm_device *dev); |
c153f45f EA |
1331 | extern int drm_agp_release_ioctl(struct drm_device *dev, void *data, |
1332 | struct drm_file *file_priv); | |
84b1fd10 | 1333 | extern int drm_agp_enable(struct drm_device *dev, struct drm_agp_mode mode); |
c153f45f EA |
1334 | extern int drm_agp_enable_ioctl(struct drm_device *dev, void *data, |
1335 | struct drm_file *file_priv); | |
1336 | extern int drm_agp_info(struct drm_device *dev, struct drm_agp_info *info); | |
1337 | extern int drm_agp_info_ioctl(struct drm_device *dev, void *data, | |
1338 | struct drm_file *file_priv); | |
84b1fd10 | 1339 | extern int drm_agp_alloc(struct drm_device *dev, struct drm_agp_buffer *request); |
c153f45f EA |
1340 | extern int drm_agp_alloc_ioctl(struct drm_device *dev, void *data, |
1341 | struct drm_file *file_priv); | |
84b1fd10 | 1342 | extern int drm_agp_free(struct drm_device *dev, struct drm_agp_buffer *request); |
c153f45f EA |
1343 | extern int drm_agp_free_ioctl(struct drm_device *dev, void *data, |
1344 | struct drm_file *file_priv); | |
84b1fd10 | 1345 | extern int drm_agp_unbind(struct drm_device *dev, struct drm_agp_binding *request); |
c153f45f EA |
1346 | extern int drm_agp_unbind_ioctl(struct drm_device *dev, void *data, |
1347 | struct drm_file *file_priv); | |
84b1fd10 | 1348 | extern int drm_agp_bind(struct drm_device *dev, struct drm_agp_binding *request); |
c153f45f EA |
1349 | extern int drm_agp_bind_ioctl(struct drm_device *dev, void *data, |
1350 | struct drm_file *file_priv); | |
1351 | extern DRM_AGP_MEM *drm_agp_allocate_memory(struct agp_bridge_data *bridge, size_t pages, u32 type); | |
b5e89ed5 DA |
1352 | extern int drm_agp_free_memory(DRM_AGP_MEM * handle); |
1353 | extern int drm_agp_bind_memory(DRM_AGP_MEM * handle, off_t start); | |
1354 | extern int drm_agp_unbind_memory(DRM_AGP_MEM * handle); | |
673a394b | 1355 | extern void drm_agp_chipset_flush(struct drm_device *dev); |
1da177e4 LT |
1356 | |
1357 | /* Stub support (drm_stub.h) */ | |
7c1c2871 DA |
1358 | extern int drm_setmaster_ioctl(struct drm_device *dev, void *data, |
1359 | struct drm_file *file_priv); | |
1360 | extern int drm_dropmaster_ioctl(struct drm_device *dev, void *data, | |
1361 | struct drm_file *file_priv); | |
1362 | struct drm_master *drm_master_create(struct drm_minor *minor); | |
1363 | extern struct drm_master *drm_master_get(struct drm_master *master); | |
1364 | extern void drm_master_put(struct drm_master **master); | |
1da177e4 | 1365 | extern int drm_get_dev(struct pci_dev *pdev, const struct pci_device_id *ent, |
b5e89ed5 | 1366 | struct drm_driver *driver); |
112b715e | 1367 | extern void drm_put_dev(struct drm_device *dev); |
2c14f28b | 1368 | extern int drm_put_minor(struct drm_minor **minor); |
b5e89ed5 | 1369 | extern unsigned int drm_debug; |
2c14f28b | 1370 | |
0650fd58 | 1371 | extern struct class *drm_class; |
1da177e4 | 1372 | extern struct proc_dir_entry *drm_proc_root; |
955b12de | 1373 | extern struct dentry *drm_debugfs_root; |
1da177e4 | 1374 | |
2c14f28b DA |
1375 | extern struct idr drm_minors_idr; |
1376 | ||
f77d390c | 1377 | extern struct drm_local_map *drm_getsarea(struct drm_device *dev); |
da509d7a | 1378 | |
1da177e4 | 1379 | /* Proc support (drm_proc.h) */ |
2c14f28b DA |
1380 | extern int drm_proc_init(struct drm_minor *minor, int minor_id, |
1381 | struct proc_dir_entry *root); | |
1382 | extern int drm_proc_cleanup(struct drm_minor *minor, struct proc_dir_entry *root); | |
1da177e4 | 1383 | |
955b12de BG |
1384 | /* Debugfs support */ |
1385 | #if defined(CONFIG_DEBUG_FS) | |
1386 | extern int drm_debugfs_init(struct drm_minor *minor, int minor_id, | |
1387 | struct dentry *root); | |
1388 | extern int drm_debugfs_create_files(struct drm_info_list *files, int count, | |
1389 | struct dentry *root, struct drm_minor *minor); | |
1390 | extern int drm_debugfs_remove_files(struct drm_info_list *files, int count, | |
1391 | struct drm_minor *minor); | |
1392 | extern int drm_debugfs_cleanup(struct drm_minor *minor); | |
1393 | #endif | |
1394 | ||
1395 | /* Info file support */ | |
1396 | extern int drm_name_info(struct seq_file *m, void *data); | |
1397 | extern int drm_vm_info(struct seq_file *m, void *data); | |
1398 | extern int drm_queues_info(struct seq_file *m, void *data); | |
1399 | extern int drm_bufs_info(struct seq_file *m, void *data); | |
1400 | extern int drm_vblank_info(struct seq_file *m, void *data); | |
1401 | extern int drm_clients_info(struct seq_file *m, void* data); | |
1402 | extern int drm_gem_name_info(struct seq_file *m, void *data); | |
1403 | extern int drm_gem_object_info(struct seq_file *m, void* data); | |
1404 | ||
1405 | #if DRM_DEBUG_CODE | |
1406 | extern int drm_vma_info(struct seq_file *m, void *data); | |
1407 | #endif | |
1408 | ||
1da177e4 | 1409 | /* Scatter Gather Support (drm_scatter.h) */ |
55910517 | 1410 | extern void drm_sg_cleanup(struct drm_sg_mem * entry); |
c153f45f EA |
1411 | extern int drm_sg_alloc_ioctl(struct drm_device *dev, void *data, |
1412 | struct drm_file *file_priv); | |
1413 | extern int drm_sg_alloc(struct drm_device *dev, struct drm_scatter_gather * request); | |
1414 | extern int drm_sg_free(struct drm_device *dev, void *data, | |
1415 | struct drm_file *file_priv); | |
1da177e4 | 1416 | |
b5e89ed5 | 1417 | /* ATI PCIGART support (ati_pcigart.h) */ |
84b1fd10 | 1418 | extern int drm_ati_pcigart_init(struct drm_device *dev, |
55910517 | 1419 | struct drm_ati_pcigart_info * gart_info); |
84b1fd10 | 1420 | extern int drm_ati_pcigart_cleanup(struct drm_device *dev, |
55910517 | 1421 | struct drm_ati_pcigart_info * gart_info); |
1da177e4 | 1422 | |
84b1fd10 | 1423 | extern drm_dma_handle_t *drm_pci_alloc(struct drm_device *dev, size_t size, |
9c8da5eb | 1424 | size_t align, dma_addr_t maxaddr); |
84b1fd10 DA |
1425 | extern void __drm_pci_free(struct drm_device *dev, drm_dma_handle_t * dmah); |
1426 | extern void drm_pci_free(struct drm_device *dev, drm_dma_handle_t * dmah); | |
1da177e4 LT |
1427 | |
1428 | /* sysfs support (drm_sysfs.c) */ | |
e8b962b6 | 1429 | struct drm_sysfs_class; |
0650fd58 | 1430 | extern struct class *drm_sysfs_create(struct module *owner, char *name); |
e8b962b6 | 1431 | extern void drm_sysfs_destroy(void); |
2c14f28b | 1432 | extern int drm_sysfs_device_add(struct drm_minor *minor); |
f453ba04 | 1433 | extern void drm_sysfs_hotplug_event(struct drm_device *dev); |
2c14f28b | 1434 | extern void drm_sysfs_device_remove(struct drm_minor *minor); |
f453ba04 DA |
1435 | extern char *drm_get_connector_status_name(enum drm_connector_status status); |
1436 | extern int drm_sysfs_connector_add(struct drm_connector *connector); | |
1437 | extern void drm_sysfs_connector_remove(struct drm_connector *connector); | |
1da177e4 | 1438 | |
3a1bd924 TH |
1439 | /* |
1440 | * Basic memory manager support (drm_mm.c) | |
1441 | */ | |
55910517 | 1442 | extern struct drm_mm_node *drm_mm_get_block(struct drm_mm_node * parent, |
3a1bd924 TH |
1443 | unsigned long size, |
1444 | unsigned alignment); | |
8562b3f2 | 1445 | extern void drm_mm_put_block(struct drm_mm_node * cur); |
55910517 | 1446 | extern struct drm_mm_node *drm_mm_search_free(const struct drm_mm *mm, unsigned long size, |
3a1bd924 | 1447 | unsigned alignment, int best_match); |
55910517 DA |
1448 | extern int drm_mm_init(struct drm_mm *mm, unsigned long start, unsigned long size); |
1449 | extern void drm_mm_takedown(struct drm_mm *mm); | |
1450 | extern int drm_mm_clean(struct drm_mm *mm); | |
1451 | extern unsigned long drm_mm_tail_space(struct drm_mm *mm); | |
1452 | extern int drm_mm_remove_space_from_tail(struct drm_mm *mm, unsigned long size); | |
1453 | extern int drm_mm_add_space_to_tail(struct drm_mm *mm, unsigned long size); | |
3a1bd924 | 1454 | |
673a394b EA |
1455 | /* Graphics Execution Manager library functions (drm_gem.c) */ |
1456 | int drm_gem_init(struct drm_device *dev); | |
a2c0a97b | 1457 | void drm_gem_destroy(struct drm_device *dev); |
673a394b EA |
1458 | void drm_gem_object_free(struct kref *kref); |
1459 | struct drm_gem_object *drm_gem_object_alloc(struct drm_device *dev, | |
1460 | size_t size); | |
1461 | void drm_gem_object_handle_free(struct kref *kref); | |
ab00b3e5 JB |
1462 | void drm_gem_vm_open(struct vm_area_struct *vma); |
1463 | void drm_gem_vm_close(struct vm_area_struct *vma); | |
a2c0a97b | 1464 | int drm_gem_mmap(struct file *filp, struct vm_area_struct *vma); |
673a394b EA |
1465 | |
1466 | static inline void | |
1467 | drm_gem_object_reference(struct drm_gem_object *obj) | |
1468 | { | |
1469 | kref_get(&obj->refcount); | |
1470 | } | |
1471 | ||
1472 | static inline void | |
1473 | drm_gem_object_unreference(struct drm_gem_object *obj) | |
1474 | { | |
1475 | if (obj == NULL) | |
1476 | return; | |
1477 | ||
1478 | kref_put(&obj->refcount, drm_gem_object_free); | |
1479 | } | |
1480 | ||
1481 | int drm_gem_handle_create(struct drm_file *file_priv, | |
1482 | struct drm_gem_object *obj, | |
1483 | int *handlep); | |
1484 | ||
1485 | static inline void | |
1486 | drm_gem_object_handle_reference(struct drm_gem_object *obj) | |
1487 | { | |
1488 | drm_gem_object_reference(obj); | |
1489 | kref_get(&obj->handlecount); | |
1490 | } | |
1491 | ||
1492 | static inline void | |
1493 | drm_gem_object_handle_unreference(struct drm_gem_object *obj) | |
1494 | { | |
1495 | if (obj == NULL) | |
1496 | return; | |
1497 | ||
1498 | /* | |
1499 | * Must bump handle count first as this may be the last | |
1500 | * ref, in which case the object would disappear before we | |
1501 | * checked for a name | |
1502 | */ | |
1503 | kref_put(&obj->handlecount, drm_gem_object_handle_free); | |
1504 | drm_gem_object_unreference(obj); | |
1505 | } | |
1506 | ||
1507 | struct drm_gem_object *drm_gem_object_lookup(struct drm_device *dev, | |
1508 | struct drm_file *filp, | |
1509 | int handle); | |
1510 | int drm_gem_close_ioctl(struct drm_device *dev, void *data, | |
1511 | struct drm_file *file_priv); | |
1512 | int drm_gem_flink_ioctl(struct drm_device *dev, void *data, | |
1513 | struct drm_file *file_priv); | |
1514 | int drm_gem_open_ioctl(struct drm_device *dev, void *data, | |
1515 | struct drm_file *file_priv); | |
1516 | void drm_gem_open(struct drm_device *dev, struct drm_file *file_private); | |
1517 | void drm_gem_release(struct drm_device *dev, struct drm_file *file_private); | |
1518 | ||
f77d390c BH |
1519 | extern void drm_core_ioremap(struct drm_local_map *map, struct drm_device *dev); |
1520 | extern void drm_core_ioremap_wc(struct drm_local_map *map, struct drm_device *dev); | |
1521 | extern void drm_core_ioremapfree(struct drm_local_map *map, struct drm_device *dev); | |
1da177e4 | 1522 | |
f77d390c BH |
1523 | static __inline__ struct drm_local_map *drm_core_findmap(struct drm_device *dev, |
1524 | unsigned int token) | |
1da177e4 | 1525 | { |
55910517 | 1526 | struct drm_map_list *_entry; |
bd1b331f | 1527 | list_for_each_entry(_entry, &dev->maplist, head) |
b5e89ed5 DA |
1528 | if (_entry->user_token == token) |
1529 | return _entry->map; | |
1da177e4 LT |
1530 | return NULL; |
1531 | } | |
1532 | ||
84b1fd10 | 1533 | static __inline__ int drm_device_is_agp(struct drm_device *dev) |
cda17380 | 1534 | { |
b5e89ed5 DA |
1535 | if (dev->driver->device_is_agp != NULL) { |
1536 | int err = (*dev->driver->device_is_agp) (dev); | |
1537 | ||
cda17380 DA |
1538 | if (err != 2) { |
1539 | return err; | |
1540 | } | |
1541 | } | |
1542 | ||
1543 | return pci_find_capability(dev->pdev, PCI_CAP_ID_AGP); | |
1544 | } | |
1545 | ||
84b1fd10 | 1546 | static __inline__ int drm_device_is_pcie(struct drm_device *dev) |
ea98a92f DA |
1547 | { |
1548 | return pci_find_capability(dev->pdev, PCI_CAP_ID_EXP); | |
1549 | } | |
1550 | ||
f77d390c | 1551 | static __inline__ void drm_core_dropmap(struct drm_local_map *map) |
1da177e4 LT |
1552 | { |
1553 | } | |
1554 | ||
1555 | #ifndef DEBUG_MEMORY | |
1556 | /** Wrapper around kmalloc() */ | |
1557 | static __inline__ void *drm_alloc(size_t size, int area) | |
1558 | { | |
1559 | return kmalloc(size, GFP_KERNEL); | |
1560 | } | |
1561 | ||
1562 | /** Wrapper around kfree() */ | |
1563 | static __inline__ void drm_free(void *pt, size_t size, int area) | |
1564 | { | |
1565 | kfree(pt); | |
1566 | } | |
b9523249 DA |
1567 | |
1568 | /** Wrapper around kcalloc() */ | |
1569 | static __inline__ void *drm_calloc(size_t nmemb, size_t size, int area) | |
1570 | { | |
1571 | return kcalloc(nmemb, size, GFP_KERNEL); | |
1572 | } | |
8e7d2b2c JB |
1573 | |
1574 | static __inline__ void *drm_calloc_large(size_t nmemb, size_t size) | |
1575 | { | |
fbe0efb8 | 1576 | if (size * nmemb <= PAGE_SIZE) |
8e7d2b2c JB |
1577 | return kcalloc(nmemb, size, GFP_KERNEL); |
1578 | ||
fbe0efb8 | 1579 | if (size != 0 && nmemb > ULONG_MAX / size) |
8e7d2b2c JB |
1580 | return NULL; |
1581 | ||
fbe0efb8 KH |
1582 | return __vmalloc(size * nmemb, |
1583 | GFP_KERNEL | __GFP_HIGHMEM | __GFP_ZERO, PAGE_KERNEL); | |
8e7d2b2c JB |
1584 | } |
1585 | ||
1586 | static __inline void drm_free_large(void *ptr) | |
1587 | { | |
1588 | if (!is_vmalloc_addr(ptr)) | |
1589 | return kfree(ptr); | |
1590 | ||
1591 | vfree(ptr); | |
1592 | } | |
1da177e4 LT |
1593 | #else |
1594 | extern void *drm_alloc(size_t size, int area); | |
1595 | extern void drm_free(void *pt, size_t size, int area); | |
b9523249 | 1596 | extern void *drm_calloc(size_t nmemb, size_t size, int area); |
1da177e4 LT |
1597 | #endif |
1598 | ||
1599 | /*@}*/ | |
1600 | ||
b5e89ed5 | 1601 | #endif /* __KERNEL__ */ |
1da177e4 | 1602 | #endif |