Commit | Line | Data |
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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 LT |
89 | |
90 | /***********************************************************************/ | |
91 | /** \name DRM template customization defaults */ | |
92 | /*@{*/ | |
93 | ||
94 | /* driver capabilities and requirements mask */ | |
95 | #define DRIVER_USE_AGP 0x1 | |
96 | #define DRIVER_REQUIRE_AGP 0x2 | |
97 | #define DRIVER_USE_MTRR 0x4 | |
98 | #define DRIVER_PCI_DMA 0x8 | |
99 | #define DRIVER_SG 0x10 | |
100 | #define DRIVER_HAVE_DMA 0x20 | |
101 | #define DRIVER_HAVE_IRQ 0x40 | |
102 | #define DRIVER_IRQ_SHARED 0x80 | |
af6061af | 103 | #define DRIVER_IRQ_VBL 0x100 |
1da177e4 | 104 | #define DRIVER_DMA_QUEUE 0x200 |
b84397d6 | 105 | #define DRIVER_FB_DMA 0x400 |
af6061af | 106 | #define DRIVER_IRQ_VBL2 0x800 |
673a394b | 107 | #define DRIVER_GEM 0x1000 |
1da177e4 LT |
108 | |
109 | /***********************************************************************/ | |
110 | /** \name Begin the DRM... */ | |
111 | /*@{*/ | |
112 | ||
113 | #define DRM_DEBUG_CODE 2 /**< Include debugging code if > 1, then | |
114 | also include looping detection. */ | |
115 | ||
8669cbc5 | 116 | #define DRM_MAGIC_HASH_ORDER 4 /**< Size of key hash table. Must be power of 2. */ |
1da177e4 LT |
117 | #define DRM_KERNEL_CONTEXT 0 /**< Change drm_resctx if changed */ |
118 | #define DRM_RESERVED_CONTEXTS 1 /**< Change drm_resctx if changed */ | |
119 | #define DRM_LOOPING_LIMIT 5000000 | |
1da177e4 LT |
120 | #define DRM_TIME_SLICE (HZ/20) /**< Time slice for GLXContexts */ |
121 | #define DRM_LOCK_SLICE 1 /**< Time slice for lock, in jiffies */ | |
122 | ||
123 | #define DRM_FLAG_DEBUG 0x01 | |
124 | ||
125 | #define DRM_MEM_DMA 0 | |
126 | #define DRM_MEM_SAREA 1 | |
127 | #define DRM_MEM_DRIVER 2 | |
128 | #define DRM_MEM_MAGIC 3 | |
129 | #define DRM_MEM_IOCTLS 4 | |
130 | #define DRM_MEM_MAPS 5 | |
131 | #define DRM_MEM_VMAS 6 | |
132 | #define DRM_MEM_BUFS 7 | |
133 | #define DRM_MEM_SEGS 8 | |
134 | #define DRM_MEM_PAGES 9 | |
135 | #define DRM_MEM_FILES 10 | |
136 | #define DRM_MEM_QUEUES 11 | |
137 | #define DRM_MEM_CMDS 12 | |
138 | #define DRM_MEM_MAPPINGS 13 | |
139 | #define DRM_MEM_BUFLISTS 14 | |
140 | #define DRM_MEM_AGPLISTS 15 | |
141 | #define DRM_MEM_TOTALAGP 16 | |
142 | #define DRM_MEM_BOUNDAGP 17 | |
143 | #define DRM_MEM_CTXBITMAP 18 | |
144 | #define DRM_MEM_STUB 19 | |
145 | #define DRM_MEM_SGLISTS 20 | |
3a1bd924 TH |
146 | #define DRM_MEM_CTXLIST 21 |
147 | #define DRM_MEM_MM 22 | |
148 | #define DRM_MEM_HASHTAB 23 | |
1da177e4 LT |
149 | |
150 | #define DRM_MAX_CTXBITMAP (PAGE_SIZE * 8) | |
8d153f71 | 151 | #define DRM_MAP_HASH_OFFSET 0x10000000 |
1da177e4 | 152 | |
b5e89ed5 | 153 | /*@}*/ |
1da177e4 | 154 | |
1da177e4 LT |
155 | /***********************************************************************/ |
156 | /** \name Macros to make printk easier */ | |
157 | /*@{*/ | |
158 | ||
159 | /** | |
160 | * Error output. | |
161 | * | |
162 | * \param fmt printf() like format string. | |
163 | * \param arg arguments | |
164 | */ | |
165 | #define DRM_ERROR(fmt, arg...) \ | |
bf9d8929 | 166 | printk(KERN_ERR "[" DRM_NAME ":%s] *ERROR* " fmt , __func__ , ##arg) |
1da177e4 LT |
167 | |
168 | /** | |
169 | * Memory error output. | |
170 | * | |
171 | * \param area memory area where the error occurred. | |
172 | * \param fmt printf() like format string. | |
173 | * \param arg arguments | |
174 | */ | |
175 | #define DRM_MEM_ERROR(area, fmt, arg...) \ | |
bf9d8929 | 176 | printk(KERN_ERR "[" DRM_NAME ":%s:%s] *ERROR* " fmt , __func__, \ |
1da177e4 LT |
177 | drm_mem_stats[area].name , ##arg) |
178 | ||
179 | #define DRM_INFO(fmt, arg...) printk(KERN_INFO "[" DRM_NAME "] " fmt , ##arg) | |
180 | ||
181 | /** | |
182 | * Debug output. | |
b5e89ed5 | 183 | * |
1da177e4 LT |
184 | * \param fmt printf() like format string. |
185 | * \param arg arguments | |
186 | */ | |
187 | #if DRM_DEBUG_CODE | |
188 | #define DRM_DEBUG(fmt, arg...) \ | |
189 | do { \ | |
190 | if ( drm_debug ) \ | |
191 | printk(KERN_DEBUG \ | |
192 | "[" DRM_NAME ":%s] " fmt , \ | |
bf9d8929 | 193 | __func__ , ##arg); \ |
1da177e4 LT |
194 | } while (0) |
195 | #else | |
196 | #define DRM_DEBUG(fmt, arg...) do { } while (0) | |
197 | #endif | |
198 | ||
199 | #define DRM_PROC_LIMIT (PAGE_SIZE-80) | |
200 | ||
201 | #define DRM_PROC_PRINT(fmt, arg...) \ | |
202 | len += sprintf(&buf[len], fmt , ##arg); \ | |
203 | if (len > DRM_PROC_LIMIT) { *eof = 1; return len - offset; } | |
204 | ||
205 | #define DRM_PROC_PRINT_RET(ret, fmt, arg...) \ | |
206 | len += sprintf(&buf[len], fmt , ##arg); \ | |
207 | if (len > DRM_PROC_LIMIT) { ret; *eof = 1; return len - offset; } | |
208 | ||
209 | /*@}*/ | |
210 | ||
1da177e4 LT |
211 | /***********************************************************************/ |
212 | /** \name Internal types and structures */ | |
213 | /*@{*/ | |
214 | ||
99a2657a | 215 | #define DRM_ARRAY_SIZE(x) ARRAY_SIZE(x) |
1da177e4 LT |
216 | |
217 | #define DRM_LEFTCOUNT(x) (((x)->rp + (x)->count - (x)->wp) % ((x)->count + 1)) | |
218 | #define DRM_BUFCOUNT(x) ((x)->count - DRM_LEFTCOUNT(x)) | |
219 | #define DRM_WAITCOUNT(dev,idx) DRM_BUFCOUNT(&dev->queuelist[idx]->waitlist) | |
220 | ||
221 | #define DRM_IF_VERSION(maj, min) (maj << 16 | min) | |
222 | /** | |
223 | * Get the private SAREA mapping. | |
224 | * | |
225 | * \param _dev DRM device. | |
226 | * \param _ctx context number. | |
227 | * \param _map output mapping. | |
228 | */ | |
229 | #define DRM_GET_PRIV_SAREA(_dev, _ctx, _map) do { \ | |
230 | (_map) = (_dev)->context_sareas[_ctx]; \ | |
231 | } while(0) | |
232 | ||
233 | /** | |
234 | * Test that the hardware lock is held by the caller, returning otherwise. | |
235 | * | |
236 | * \param dev DRM device. | |
237 | * \param filp file pointer of the caller. | |
238 | */ | |
c153f45f | 239 | #define LOCK_TEST_WITH_RETURN( dev, file_priv ) \ |
1da177e4 | 240 | do { \ |
7c1c2871 DA |
241 | if (!_DRM_LOCK_IS_HELD(file_priv->master->lock.hw_lock->lock) || \ |
242 | file_priv->master->lock.file_priv != file_priv) { \ | |
c153f45f | 243 | DRM_ERROR( "%s called without lock held, held %d owner %p %p\n",\ |
7c1c2871 DA |
244 | __func__, _DRM_LOCK_IS_HELD(file_priv->master->lock.hw_lock->lock),\ |
245 | file_priv->master->lock.file_priv, file_priv); \ | |
1da177e4 LT |
246 | return -EINVAL; \ |
247 | } \ | |
248 | } while (0) | |
249 | ||
250 | /** | |
251 | * Copy and IOCTL return string to user space | |
252 | */ | |
253 | #define DRM_COPY( name, value ) \ | |
254 | len = strlen( value ); \ | |
255 | if ( len > name##_len ) len = name##_len; \ | |
256 | name##_len = strlen( value ); \ | |
257 | if ( len && name ) { \ | |
258 | if ( copy_to_user( name, value, len ) ) \ | |
259 | return -EFAULT; \ | |
260 | } | |
b5e89ed5 | 261 | |
1da177e4 LT |
262 | /** |
263 | * Ioctl function type. | |
264 | * | |
265 | * \param inode device inode. | |
6c340eac | 266 | * \param file_priv DRM file private pointer. |
1da177e4 LT |
267 | * \param cmd command. |
268 | * \param arg argument. | |
269 | */ | |
c153f45f EA |
270 | typedef int drm_ioctl_t(struct drm_device *dev, void *data, |
271 | struct drm_file *file_priv); | |
1da177e4 | 272 | |
9a186645 DA |
273 | typedef int drm_ioctl_compat_t(struct file *filp, unsigned int cmd, |
274 | unsigned long arg); | |
275 | ||
a7a2cc31 DA |
276 | #define DRM_AUTH 0x1 |
277 | #define DRM_MASTER 0x2 | |
278 | #define DRM_ROOT_ONLY 0x4 | |
279 | ||
c153f45f EA |
280 | struct drm_ioctl_desc { |
281 | unsigned int cmd; | |
b5e89ed5 | 282 | drm_ioctl_t *func; |
a7a2cc31 | 283 | int flags; |
c153f45f EA |
284 | }; |
285 | ||
286 | /** | |
287 | * Creates a driver or general drm_ioctl_desc array entry for the given | |
288 | * ioctl, for use by drm_ioctl(). | |
289 | */ | |
290 | #define DRM_IOCTL_DEF(ioctl, func, flags) \ | |
291 | [DRM_IOCTL_NR(ioctl)] = {ioctl, func, flags} | |
1da177e4 | 292 | |
8fc2fdf4 | 293 | struct drm_magic_entry { |
8669cbc5 | 294 | struct list_head head; |
e0be428e | 295 | struct drm_hash_item hash_item; |
b5e89ed5 | 296 | struct drm_file *priv; |
8fc2fdf4 | 297 | }; |
1da177e4 | 298 | |
8fc2fdf4 | 299 | struct drm_vma_entry { |
bd1b331f | 300 | struct list_head head; |
1da177e4 | 301 | struct vm_area_struct *vma; |
b5e89ed5 | 302 | pid_t pid; |
8fc2fdf4 | 303 | }; |
1da177e4 LT |
304 | |
305 | /** | |
306 | * DMA buffer. | |
307 | */ | |
056219e2 | 308 | struct drm_buf { |
b5e89ed5 DA |
309 | int idx; /**< Index into master buflist */ |
310 | int total; /**< Buffer size */ | |
311 | int order; /**< log-base-2(total) */ | |
312 | int used; /**< Amount of buffer in use (for DMA) */ | |
313 | unsigned long offset; /**< Byte offset (used internally) */ | |
314 | void *address; /**< Address of buffer */ | |
315 | unsigned long bus_address; /**< Bus address of buffer */ | |
316 | struct drm_buf *next; /**< Kernel-only: used for free list */ | |
317 | __volatile__ int waiting; /**< On kernel DMA queue */ | |
318 | __volatile__ int pending; /**< On hardware DMA queue */ | |
1da177e4 | 319 | wait_queue_head_t dma_wait; /**< Processes waiting */ |
6c340eac | 320 | struct drm_file *file_priv; /**< Private of holding file descr */ |
b5e89ed5 DA |
321 | int context; /**< Kernel queue for this buffer */ |
322 | int while_locked; /**< Dispatch this buffer while locked */ | |
1da177e4 | 323 | enum { |
b5e89ed5 DA |
324 | DRM_LIST_NONE = 0, |
325 | DRM_LIST_FREE = 1, | |
326 | DRM_LIST_WAIT = 2, | |
327 | DRM_LIST_PEND = 3, | |
328 | DRM_LIST_PRIO = 4, | |
1da177e4 | 329 | DRM_LIST_RECLAIM = 5 |
b5e89ed5 | 330 | } list; /**< Which list we're on */ |
1da177e4 | 331 | |
b5e89ed5 DA |
332 | int dev_priv_size; /**< Size of buffer private storage */ |
333 | void *dev_private; /**< Per-buffer private storage */ | |
056219e2 | 334 | }; |
1da177e4 | 335 | |
1da177e4 | 336 | /** bufs is one longer than it has to be */ |
cdd55a29 | 337 | struct drm_waitlist { |
b5e89ed5 | 338 | int count; /**< Number of possible buffers */ |
056219e2 DA |
339 | struct drm_buf **bufs; /**< List of pointers to buffers */ |
340 | struct drm_buf **rp; /**< Read pointer */ | |
341 | struct drm_buf **wp; /**< Write pointer */ | |
342 | struct drm_buf **end; /**< End pointer */ | |
b5e89ed5 DA |
343 | spinlock_t read_lock; |
344 | spinlock_t write_lock; | |
cdd55a29 | 345 | }; |
1da177e4 | 346 | |
cdd55a29 | 347 | struct drm_freelist { |
b5e89ed5 DA |
348 | int initialized; /**< Freelist in use */ |
349 | atomic_t count; /**< Number of free buffers */ | |
056219e2 | 350 | struct drm_buf *next; /**< End pointer */ |
1da177e4 LT |
351 | |
352 | wait_queue_head_t waiting; /**< Processes waiting on free bufs */ | |
b5e89ed5 DA |
353 | int low_mark; /**< Low water mark */ |
354 | int high_mark; /**< High water mark */ | |
355 | atomic_t wfh; /**< If waiting for high mark */ | |
356 | spinlock_t lock; | |
cdd55a29 | 357 | }; |
1da177e4 | 358 | |
ddf19b97 DA |
359 | typedef struct drm_dma_handle { |
360 | dma_addr_t busaddr; | |
361 | void *vaddr; | |
362 | size_t size; | |
363 | } drm_dma_handle_t; | |
364 | ||
1da177e4 LT |
365 | /** |
366 | * Buffer entry. There is one of this for each buffer size order. | |
367 | */ | |
cdd55a29 | 368 | struct drm_buf_entry { |
b5e89ed5 DA |
369 | int buf_size; /**< size */ |
370 | int buf_count; /**< number of buffers */ | |
056219e2 | 371 | struct drm_buf *buflist; /**< buffer list */ |
b5e89ed5 DA |
372 | int seg_count; |
373 | int page_order; | |
cdd55a29 | 374 | struct drm_dma_handle **seglist; |
b5e89ed5 | 375 | |
cdd55a29 DA |
376 | struct drm_freelist freelist; |
377 | }; | |
1da177e4 LT |
378 | |
379 | /** File private data */ | |
84b1fd10 | 380 | struct drm_file { |
b5e89ed5 | 381 | int authenticated; |
b5e89ed5 DA |
382 | pid_t pid; |
383 | uid_t uid; | |
384 | drm_magic_t magic; | |
385 | unsigned long ioctl_count; | |
bd1b331f | 386 | struct list_head lhead; |
2c14f28b | 387 | struct drm_minor *minor; |
b5e89ed5 | 388 | unsigned long lock_count; |
7c1c2871 | 389 | |
673a394b EA |
390 | /** Mapping of mm object handles to object pointers. */ |
391 | struct idr object_idr; | |
392 | /** Lock for synchronization of access to object_idr. */ | |
393 | spinlock_t table_lock; | |
7c1c2871 | 394 | |
6c340eac | 395 | struct file *filp; |
8562b3f2 | 396 | void *driver_priv; |
7c1c2871 DA |
397 | |
398 | int is_master; /* this file private is a master for a minor */ | |
399 | struct drm_master *master; /* master this node is currently associated with | |
400 | N.B. not always minor->master */ | |
84b1fd10 | 401 | }; |
1da177e4 LT |
402 | |
403 | /** Wait queue */ | |
cdd55a29 | 404 | struct drm_queue { |
b5e89ed5 DA |
405 | atomic_t use_count; /**< Outstanding uses (+1) */ |
406 | atomic_t finalization; /**< Finalization in progress */ | |
407 | atomic_t block_count; /**< Count of processes waiting */ | |
408 | atomic_t block_read; /**< Queue blocked for reads */ | |
1da177e4 | 409 | wait_queue_head_t read_queue; /**< Processes waiting on block_read */ |
b5e89ed5 | 410 | atomic_t block_write; /**< Queue blocked for writes */ |
1da177e4 | 411 | wait_queue_head_t write_queue; /**< Processes waiting on block_write */ |
b5e89ed5 DA |
412 | atomic_t total_queued; /**< Total queued statistic */ |
413 | atomic_t total_flushed; /**< Total flushes statistic */ | |
414 | atomic_t total_locks; /**< Total locks statistics */ | |
c60ce623 | 415 | enum drm_ctx_flags flags; /**< Context preserving and 2D-only */ |
cdd55a29 | 416 | struct drm_waitlist waitlist; /**< Pending buffers */ |
1da177e4 | 417 | wait_queue_head_t flush_queue; /**< Processes waiting until flush */ |
cdd55a29 | 418 | }; |
1da177e4 LT |
419 | |
420 | /** | |
421 | * Lock data. | |
422 | */ | |
55910517 | 423 | struct drm_lock_data { |
c60ce623 | 424 | struct drm_hw_lock *hw_lock; /**< Hardware lock */ |
8562b3f2 DA |
425 | /** Private of lock holder's file (NULL=kernel) */ |
426 | struct drm_file *file_priv; | |
1da177e4 | 427 | wait_queue_head_t lock_queue; /**< Queue of blocked processes */ |
b5e89ed5 | 428 | unsigned long lock_time; /**< Time of last lock in jiffies */ |
040ac320 TH |
429 | spinlock_t spinlock; |
430 | uint32_t kernel_waiters; | |
431 | uint32_t user_waiters; | |
432 | int idle_has_lock; | |
55910517 | 433 | }; |
1da177e4 LT |
434 | |
435 | /** | |
436 | * DMA data. | |
437 | */ | |
cdd55a29 | 438 | struct drm_device_dma { |
1da177e4 | 439 | |
cdd55a29 | 440 | struct drm_buf_entry bufs[DRM_MAX_ORDER + 1]; /**< buffers, grouped by their size order */ |
b5e89ed5 | 441 | int buf_count; /**< total number of buffers */ |
056219e2 | 442 | struct drm_buf **buflist; /**< Vector of pointers into drm_device_dma::bufs */ |
b5e89ed5 DA |
443 | int seg_count; |
444 | int page_count; /**< number of pages */ | |
445 | unsigned long *pagelist; /**< page list */ | |
446 | unsigned long byte_count; | |
1da177e4 LT |
447 | enum { |
448 | _DRM_DMA_USE_AGP = 0x01, | |
b5e89ed5 | 449 | _DRM_DMA_USE_SG = 0x02, |
3417f33e GS |
450 | _DRM_DMA_USE_FB = 0x04, |
451 | _DRM_DMA_USE_PCI_RO = 0x08 | |
1da177e4 LT |
452 | } flags; |
453 | ||
cdd55a29 | 454 | }; |
1da177e4 | 455 | |
b5e89ed5 | 456 | /** |
1da177e4 LT |
457 | * AGP memory entry. Stored as a doubly linked list. |
458 | */ | |
55910517 | 459 | struct drm_agp_mem { |
b5e89ed5 DA |
460 | unsigned long handle; /**< handle */ |
461 | DRM_AGP_MEM *memory; | |
462 | unsigned long bound; /**< address */ | |
463 | int pages; | |
bd1b331f | 464 | struct list_head head; |
55910517 | 465 | }; |
1da177e4 LT |
466 | |
467 | /** | |
468 | * AGP data. | |
469 | * | |
470 | * \sa drm_agp_init() and drm_device::agp. | |
471 | */ | |
55910517 | 472 | struct drm_agp_head { |
b5e89ed5 | 473 | DRM_AGP_KERN agp_info; /**< AGP device information */ |
bd1b331f | 474 | struct list_head memory; |
b5e89ed5 DA |
475 | unsigned long mode; /**< AGP mode */ |
476 | struct agp_bridge_data *bridge; | |
477 | int enabled; /**< whether the AGP bus as been enabled */ | |
478 | int acquired; /**< whether the AGP device has been acquired */ | |
479 | unsigned long base; | |
480 | int agp_mtrr; | |
481 | int cant_use_aperture; | |
482 | unsigned long page_mask; | |
55910517 | 483 | }; |
1da177e4 LT |
484 | |
485 | /** | |
486 | * Scatter-gather memory. | |
487 | */ | |
55910517 | 488 | struct drm_sg_mem { |
b5e89ed5 DA |
489 | unsigned long handle; |
490 | void *virtual; | |
491 | int pages; | |
492 | struct page **pagelist; | |
493 | dma_addr_t *busaddr; | |
55910517 | 494 | }; |
1da177e4 | 495 | |
55910517 | 496 | struct drm_sigdata { |
b5e89ed5 | 497 | int context; |
c60ce623 | 498 | struct drm_hw_lock *lock; |
55910517 | 499 | }; |
1da177e4 | 500 | |
8562b3f2 DA |
501 | |
502 | /* | |
503 | * Generic memory manager structs | |
504 | */ | |
505 | ||
506 | struct drm_mm_node { | |
507 | struct list_head fl_entry; | |
508 | struct list_head ml_entry; | |
509 | int free; | |
510 | unsigned long start; | |
511 | unsigned long size; | |
512 | struct drm_mm *mm; | |
513 | void *private; | |
514 | }; | |
515 | ||
516 | struct drm_mm { | |
517 | struct list_head fl_entry; | |
518 | struct list_head ml_entry; | |
519 | }; | |
520 | ||
521 | ||
1da177e4 LT |
522 | /** |
523 | * Mappings list | |
524 | */ | |
55910517 | 525 | struct drm_map_list { |
b5e89ed5 | 526 | struct list_head head; /**< list head */ |
e0be428e | 527 | struct drm_hash_item hash; |
c60ce623 | 528 | struct drm_map *map; /**< mapping */ |
8562b3f2 | 529 | uint64_t user_token; |
7c1c2871 | 530 | struct drm_master *master; |
a2c0a97b | 531 | struct drm_mm_node *file_offset_node; /**< fake offset */ |
55910517 | 532 | }; |
1da177e4 | 533 | |
c60ce623 | 534 | typedef struct drm_map drm_local_map_t; |
1da177e4 LT |
535 | |
536 | /** | |
537 | * Context handle list | |
538 | */ | |
55910517 | 539 | struct drm_ctx_list { |
b5e89ed5 DA |
540 | struct list_head head; /**< list head */ |
541 | drm_context_t handle; /**< context handle */ | |
84b1fd10 | 542 | struct drm_file *tag; /**< associated fd private data */ |
55910517 | 543 | }; |
1da177e4 | 544 | |
55910517 | 545 | struct drm_vbl_sig { |
b5e89ed5 DA |
546 | struct list_head head; |
547 | unsigned int sequence; | |
548 | struct siginfo info; | |
549 | struct task_struct *task; | |
55910517 | 550 | }; |
1da177e4 | 551 | |
ea98a92f DA |
552 | /* location of GART table */ |
553 | #define DRM_ATI_GART_MAIN 1 | |
554 | #define DRM_ATI_GART_FB 2 | |
555 | ||
f2b04cd2 DA |
556 | #define DRM_ATI_GART_PCI 1 |
557 | #define DRM_ATI_GART_PCIE 2 | |
558 | #define DRM_ATI_GART_IGP 3 | |
559 | ||
55910517 | 560 | struct drm_ati_pcigart_info { |
ea98a92f | 561 | int gart_table_location; |
f2b04cd2 | 562 | int gart_reg_if; |
f26c473c | 563 | void *addr; |
ea98a92f | 564 | dma_addr_t bus_addr; |
b05c2385 DA |
565 | dma_addr_t table_mask; |
566 | struct drm_dma_handle *table_handle; | |
f26c473c | 567 | drm_local_map_t mapping; |
f2b04cd2 | 568 | int table_size; |
55910517 | 569 | }; |
ea98a92f | 570 | |
a2c0a97b JB |
571 | /** |
572 | * GEM specific mm private for tracking GEM objects | |
573 | */ | |
574 | struct drm_gem_mm { | |
575 | struct drm_mm offset_manager; /**< Offset mgmt for buffer objects */ | |
576 | struct drm_open_hash offset_hash; /**< User token hash table for maps */ | |
577 | }; | |
578 | ||
673a394b EA |
579 | /** |
580 | * This structure defines the drm_mm memory object, which will be used by the | |
581 | * DRM for its buffer objects. | |
582 | */ | |
583 | struct drm_gem_object { | |
584 | /** Reference count of this object */ | |
585 | struct kref refcount; | |
586 | ||
587 | /** Handle count of this object. Each handle also holds a reference */ | |
588 | struct kref handlecount; | |
589 | ||
590 | /** Related drm device */ | |
591 | struct drm_device *dev; | |
592 | ||
593 | /** File representing the shmem storage */ | |
594 | struct file *filp; | |
595 | ||
a2c0a97b JB |
596 | /* Mapping info for this object */ |
597 | struct drm_map_list map_list; | |
598 | ||
673a394b EA |
599 | /** |
600 | * Size of the object, in bytes. Immutable over the object's | |
601 | * lifetime. | |
602 | */ | |
603 | size_t size; | |
604 | ||
605 | /** | |
606 | * Global name for this object, starts at 1. 0 means unnamed. | |
607 | * Access is covered by the object_name_lock in the related drm_device | |
608 | */ | |
609 | int name; | |
610 | ||
611 | /** | |
612 | * Memory domains. These monitor which caches contain read/write data | |
613 | * related to the object. When transitioning from one set of domains | |
614 | * to another, the driver is called to ensure that caches are suitably | |
615 | * flushed and invalidated | |
616 | */ | |
617 | uint32_t read_domains; | |
618 | uint32_t write_domain; | |
619 | ||
620 | /** | |
621 | * While validating an exec operation, the | |
622 | * new read/write domain values are computed here. | |
623 | * They will be transferred to the above values | |
624 | * at the point that any cache flushing occurs | |
625 | */ | |
626 | uint32_t pending_read_domains; | |
627 | uint32_t pending_write_domain; | |
628 | ||
629 | void *driver_private; | |
630 | }; | |
631 | ||
7c1c2871 DA |
632 | /* per-master structure */ |
633 | struct drm_master { | |
634 | ||
635 | struct kref refcount; /* refcount for this master */ | |
636 | ||
637 | struct list_head head; /**< each minor contains a list of masters */ | |
638 | struct drm_minor *minor; /**< link back to minor we are a master for */ | |
639 | ||
640 | char *unique; /**< Unique identifier: e.g., busid */ | |
641 | int unique_len; /**< Length of unique field */ | |
1147c9cd | 642 | int unique_size; /**< amount allocated */ |
7c1c2871 DA |
643 | |
644 | int blocked; /**< Blocked due to VC switch? */ | |
645 | ||
646 | /** \name Authentication */ | |
647 | /*@{ */ | |
648 | struct drm_open_hash magiclist; | |
649 | struct list_head magicfree; | |
650 | /*@} */ | |
651 | ||
652 | struct drm_lock_data lock; /**< Information on hardware lock */ | |
653 | ||
654 | void *driver_priv; /**< Private structure for driver to use */ | |
655 | }; | |
656 | ||
1da177e4 LT |
657 | /** |
658 | * DRM driver structure. This structure represent the common code for | |
659 | * a family of cards. There will one drm_device for each card present | |
660 | * in this family | |
661 | */ | |
1da177e4 | 662 | struct drm_driver { |
22eae947 DA |
663 | int (*load) (struct drm_device *, unsigned long flags); |
664 | int (*firstopen) (struct drm_device *); | |
84b1fd10 | 665 | int (*open) (struct drm_device *, struct drm_file *); |
6c340eac | 666 | void (*preclose) (struct drm_device *, struct drm_file *file_priv); |
84b1fd10 | 667 | void (*postclose) (struct drm_device *, struct drm_file *); |
22eae947 DA |
668 | void (*lastclose) (struct drm_device *); |
669 | int (*unload) (struct drm_device *); | |
b932ccb5 | 670 | int (*suspend) (struct drm_device *, pm_message_t state); |
e8b962b6 | 671 | int (*resume) (struct drm_device *); |
c153f45f | 672 | int (*dma_ioctl) (struct drm_device *dev, void *data, struct drm_file *file_priv); |
b5e89ed5 DA |
673 | void (*dma_ready) (struct drm_device *); |
674 | int (*dma_quiescent) (struct drm_device *); | |
84b1fd10 DA |
675 | int (*context_ctor) (struct drm_device *dev, int context); |
676 | int (*context_dtor) (struct drm_device *dev, int context); | |
677 | int (*kernel_context_switch) (struct drm_device *dev, int old, | |
b5e89ed5 | 678 | int new); |
af6061af | 679 | void (*kernel_context_switch_unlock) (struct drm_device *dev); |
af6061af | 680 | int (*dri_library_name) (struct drm_device *dev, char *buf); |
b5e89ed5 | 681 | |
0a3e67a4 JB |
682 | /** |
683 | * get_vblank_counter - get raw hardware vblank counter | |
684 | * @dev: DRM device | |
685 | * @crtc: counter to fetch | |
686 | * | |
687 | * Driver callback for fetching a raw hardware vblank counter | |
688 | * for @crtc. If a device doesn't have a hardware counter, the | |
689 | * driver can simply return the value of drm_vblank_count and | |
690 | * make the enable_vblank() and disable_vblank() hooks into no-ops, | |
691 | * leaving interrupts enabled at all times. | |
692 | * | |
693 | * Wraparound handling and loss of events due to modesetting is dealt | |
694 | * with in the DRM core code. | |
695 | * | |
696 | * RETURNS | |
697 | * Raw vblank counter value. | |
698 | */ | |
699 | u32 (*get_vblank_counter) (struct drm_device *dev, int crtc); | |
700 | ||
701 | /** | |
702 | * enable_vblank - enable vblank interrupt events | |
703 | * @dev: DRM device | |
704 | * @crtc: which irq to enable | |
705 | * | |
706 | * Enable vblank interrupts for @crtc. If the device doesn't have | |
707 | * a hardware vblank counter, this routine should be a no-op, since | |
708 | * interrupts will have to stay on to keep the count accurate. | |
709 | * | |
710 | * RETURNS | |
711 | * Zero on success, appropriate errno if the given @crtc's vblank | |
712 | * interrupt cannot be enabled. | |
713 | */ | |
714 | int (*enable_vblank) (struct drm_device *dev, int crtc); | |
715 | ||
716 | /** | |
717 | * disable_vblank - disable vblank interrupt events | |
718 | * @dev: DRM device | |
719 | * @crtc: which irq to enable | |
720 | * | |
721 | * Disable vblank interrupts for @crtc. If the device doesn't have | |
722 | * a hardware vblank counter, this routine should be a no-op, since | |
723 | * interrupts will have to stay on to keep the count accurate. | |
724 | */ | |
725 | void (*disable_vblank) (struct drm_device *dev, int crtc); | |
726 | ||
cda17380 DA |
727 | /** |
728 | * Called by \c drm_device_is_agp. Typically used to determine if a | |
729 | * card is really attached to AGP or not. | |
730 | * | |
731 | * \param dev DRM device handle | |
732 | * | |
733 | * \returns | |
734 | * One of three values is returned depending on whether or not the | |
735 | * card is absolutely \b not AGP (return of 0), absolutely \b is AGP | |
736 | * (return of 1), or may or may not be AGP (return of 2). | |
737 | */ | |
84b1fd10 | 738 | int (*device_is_agp) (struct drm_device *dev); |
cda17380 | 739 | |
1da177e4 | 740 | /* these have to be filled in */ |
b5e89ed5 | 741 | |
22eae947 | 742 | irqreturn_t(*irq_handler) (DRM_IRQ_ARGS); |
84b1fd10 | 743 | void (*irq_preinstall) (struct drm_device *dev); |
0a3e67a4 | 744 | int (*irq_postinstall) (struct drm_device *dev); |
84b1fd10 | 745 | void (*irq_uninstall) (struct drm_device *dev); |
6c340eac EA |
746 | void (*reclaim_buffers) (struct drm_device *dev, |
747 | struct drm_file * file_priv); | |
d985c108 | 748 | void (*reclaim_buffers_locked) (struct drm_device *dev, |
6c340eac | 749 | struct drm_file *file_priv); |
040ac320 | 750 | void (*reclaim_buffers_idlelocked) (struct drm_device *dev, |
6c340eac | 751 | struct drm_file *file_priv); |
c60ce623 | 752 | unsigned long (*get_map_ofs) (struct drm_map * map); |
84b1fd10 DA |
753 | unsigned long (*get_reg_ofs) (struct drm_device *dev); |
754 | void (*set_version) (struct drm_device *dev, | |
c60ce623 | 755 | struct drm_set_version *sv); |
22eae947 | 756 | |
7c1c2871 DA |
757 | /* Master routines */ |
758 | int (*master_create)(struct drm_device *dev, struct drm_master *master); | |
759 | void (*master_destroy)(struct drm_device *dev, struct drm_master *master); | |
760 | ||
673a394b EA |
761 | int (*proc_init)(struct drm_minor *minor); |
762 | void (*proc_cleanup)(struct drm_minor *minor); | |
763 | ||
764 | /** | |
765 | * Driver-specific constructor for drm_gem_objects, to set up | |
766 | * obj->driver_private. | |
767 | * | |
768 | * Returns 0 on success. | |
769 | */ | |
770 | int (*gem_init_object) (struct drm_gem_object *obj); | |
771 | void (*gem_free_object) (struct drm_gem_object *obj); | |
772 | ||
a2c0a97b JB |
773 | /* Driver private ops for this object */ |
774 | struct vm_operations_struct *gem_vm_ops; | |
775 | ||
22eae947 DA |
776 | int major; |
777 | int minor; | |
778 | int patchlevel; | |
779 | char *name; | |
780 | char *desc; | |
781 | char *date; | |
782 | ||
1da177e4 LT |
783 | u32 driver_features; |
784 | int dev_priv_size; | |
c153f45f | 785 | struct drm_ioctl_desc *ioctls; |
1da177e4 LT |
786 | int num_ioctls; |
787 | struct file_operations fops; | |
788 | struct pci_driver pci_driver; | |
e7f7ab45 DA |
789 | /* List of devices hanging off this driver */ |
790 | struct list_head device_list; | |
1da177e4 LT |
791 | }; |
792 | ||
2c14f28b DA |
793 | #define DRM_MINOR_UNASSIGNED 0 |
794 | #define DRM_MINOR_LEGACY 1 | |
795 | ||
1da177e4 | 796 | /** |
2c14f28b | 797 | * DRM minor structure. This structure represents a drm minor number. |
1da177e4 | 798 | */ |
2c14f28b DA |
799 | struct drm_minor { |
800 | int index; /**< Minor device number */ | |
801 | int type; /**< Control or render */ | |
802 | dev_t device; /**< Device number for mknod */ | |
803 | struct device kdev; /**< Linux device */ | |
1da177e4 LT |
804 | struct drm_device *dev; |
805 | struct proc_dir_entry *dev_root; /**< proc directory entry */ | |
7c1c2871 DA |
806 | struct drm_master *master; /* currently active master for this node */ |
807 | struct list_head master_list; | |
84b1fd10 | 808 | }; |
1da177e4 LT |
809 | |
810 | /** | |
811 | * DRM device structure. This structure represent a complete card that | |
812 | * may contain multiple heads. | |
813 | */ | |
84b1fd10 | 814 | struct drm_device { |
e7f7ab45 | 815 | struct list_head driver_item; /**< list of devices per driver */ |
b5e89ed5 DA |
816 | char *devname; /**< For /proc/interrupts */ |
817 | int if_version; /**< Highest interface version set */ | |
1da177e4 | 818 | |
1da177e4 | 819 | /** \name Locks */ |
b5e89ed5 DA |
820 | /*@{ */ |
821 | spinlock_t count_lock; /**< For inuse, drm_device::open_count, drm_device::buf_use */ | |
30e2fb18 | 822 | struct mutex struct_mutex; /**< For others */ |
b5e89ed5 | 823 | /*@} */ |
1da177e4 LT |
824 | |
825 | /** \name Usage Counters */ | |
b5e89ed5 DA |
826 | /*@{ */ |
827 | int open_count; /**< Outstanding files open */ | |
828 | atomic_t ioctl_count; /**< Outstanding IOCTLs pending */ | |
829 | atomic_t vma_count; /**< Outstanding vma areas open */ | |
830 | int buf_use; /**< Buffers in use -- cannot alloc */ | |
831 | atomic_t buf_alloc; /**< Buffer allocation in progress */ | |
832 | /*@} */ | |
1da177e4 LT |
833 | |
834 | /** \name Performance counters */ | |
b5e89ed5 DA |
835 | /*@{ */ |
836 | unsigned long counters; | |
c60ce623 | 837 | enum drm_stat_type types[15]; |
b5e89ed5 DA |
838 | atomic_t counts[15]; |
839 | /*@} */ | |
1da177e4 | 840 | |
bd1b331f | 841 | struct list_head filelist; |
1da177e4 LT |
842 | |
843 | /** \name Memory management */ | |
b5e89ed5 | 844 | /*@{ */ |
bd1b331f | 845 | struct list_head maplist; /**< Linked list of regions */ |
b5e89ed5 | 846 | int map_count; /**< Number of mappable regions */ |
e0be428e | 847 | struct drm_open_hash map_hash; /**< User token hash table for maps */ |
1da177e4 LT |
848 | |
849 | /** \name Context handle management */ | |
b5e89ed5 | 850 | /*@{ */ |
bd1b331f | 851 | struct list_head ctxlist; /**< Linked list of context handles */ |
b5e89ed5 | 852 | int ctx_count; /**< Number of context handles */ |
30e2fb18 | 853 | struct mutex ctxlist_mutex; /**< For ctxlist */ |
1da177e4 | 854 | |
62968144 | 855 | struct idr ctx_idr; |
1da177e4 | 856 | |
bd1b331f | 857 | struct list_head vmalist; /**< List of vmas (for debugging) */ |
b5e89ed5 | 858 | /*@} */ |
1da177e4 LT |
859 | |
860 | /** \name DMA queues (contexts) */ | |
b5e89ed5 DA |
861 | /*@{ */ |
862 | int queue_count; /**< Number of active DMA queues */ | |
863 | int queue_reserved; /**< Number of reserved DMA queues */ | |
864 | int queue_slots; /**< Actual length of queuelist */ | |
cdd55a29 DA |
865 | struct drm_queue **queuelist; /**< Vector of pointers to DMA queues */ |
866 | struct drm_device_dma *dma; /**< Optional pointer for DMA support */ | |
b5e89ed5 | 867 | /*@} */ |
1da177e4 LT |
868 | |
869 | /** \name Context support */ | |
b5e89ed5 | 870 | /*@{ */ |
b5e89ed5 | 871 | int irq_enabled; /**< True if irq handler is enabled */ |
1da177e4 LT |
872 | __volatile__ long context_flag; /**< Context swapping flag */ |
873 | __volatile__ long interrupt_flag; /**< Interruption handler flag */ | |
874 | __volatile__ long dma_flag; /**< DMA dispatch flag */ | |
875 | struct timer_list timer; /**< Timer for delaying ctx switch */ | |
b5e89ed5 DA |
876 | wait_queue_head_t context_wait; /**< Processes waiting on ctx switch */ |
877 | int last_checked; /**< Last context checked for DMA */ | |
878 | int last_context; /**< Last current context */ | |
879 | unsigned long last_switch; /**< jiffies at last context switch */ | |
880 | /*@} */ | |
881 | ||
882 | struct work_struct work; | |
1da177e4 | 883 | /** \name VBLANK IRQ support */ |
b5e89ed5 DA |
884 | /*@{ */ |
885 | ||
0a3e67a4 JB |
886 | /* |
887 | * At load time, disabling the vblank interrupt won't be allowed since | |
888 | * old clients may not call the modeset ioctl and therefore misbehave. | |
889 | * Once the modeset ioctl *has* been called though, we can safely | |
890 | * disable them when unused. | |
891 | */ | |
892 | int vblank_disable_allowed; | |
893 | ||
894 | wait_queue_head_t *vbl_queue; /**< VBLANK wait queue */ | |
895 | atomic_t *_vblank_count; /**< number of VBLANK interrupts (driver must alloc the right number of counters) */ | |
b5e89ed5 | 896 | spinlock_t vbl_lock; |
0a3e67a4 JB |
897 | struct list_head *vbl_sigs; /**< signal list to send on VBLANK */ |
898 | atomic_t vbl_signal_pending; /* number of signals pending on all crtcs*/ | |
899 | atomic_t *vblank_refcount; /* number of users of vblank interruptsper crtc */ | |
900 | u32 *last_vblank; /* protected by dev->vbl_lock, used */ | |
901 | /* for wraparound handling */ | |
902 | int *vblank_enabled; /* so we don't call enable more than | |
903 | once per disable */ | |
904 | int *vblank_inmodeset; /* Display driver is setting mode */ | |
905 | struct timer_list vblank_disable_timer; | |
906 | ||
907 | u32 max_vblank_count; /**< size of vblank counter register */ | |
b5e89ed5 DA |
908 | |
909 | /*@} */ | |
910 | cycles_t ctx_start; | |
911 | cycles_t lck_start; | |
912 | ||
1da177e4 LT |
913 | struct fasync_struct *buf_async;/**< Processes waiting for SIGIO */ |
914 | wait_queue_head_t buf_readers; /**< Processes waiting to read */ | |
915 | wait_queue_head_t buf_writers; /**< Processes waiting to ctx switch */ | |
916 | ||
55910517 | 917 | struct drm_agp_head *agp; /**< AGP data */ |
1da177e4 | 918 | |
b5e89ed5 | 919 | struct pci_dev *pdev; /**< PCI device structure */ |
2f02cc3f EA |
920 | int pci_vendor; /**< PCI vendor id */ |
921 | int pci_device; /**< PCI device id */ | |
1da177e4 | 922 | #ifdef __alpha__ |
1da177e4 | 923 | struct pci_controller *hose; |
1da177e4 | 924 | #endif |
55910517 | 925 | struct drm_sg_mem *sg; /**< Scatter gather memory */ |
0a3e67a4 | 926 | int num_crtcs; /**< Number of CRTCs on this device */ |
b5e89ed5 | 927 | void *dev_private; /**< device private data */ |
a2c0a97b JB |
928 | void *mm_private; |
929 | struct address_space *dev_mapping; | |
55910517 | 930 | struct drm_sigdata sigdata; /**< For block_all_signals */ |
b5e89ed5 DA |
931 | sigset_t sigmask; |
932 | ||
933 | struct drm_driver *driver; | |
934 | drm_local_map_t *agp_buffer_map; | |
d1f2b55a | 935 | unsigned int agp_buffer_token; |
2c14f28b | 936 | struct drm_minor *primary; /**< render type primary screen head */ |
bea5679f MCA |
937 | |
938 | /** \name Drawable information */ | |
939 | /*@{ */ | |
940 | spinlock_t drw_lock; | |
d4e2cbe9 | 941 | struct idr drw_idr; |
bea5679f | 942 | /*@} */ |
673a394b EA |
943 | |
944 | /** \name GEM information */ | |
945 | /*@{ */ | |
946 | spinlock_t object_name_lock; | |
947 | struct idr object_name_idr; | |
948 | atomic_t object_count; | |
949 | atomic_t object_memory; | |
950 | atomic_t pin_count; | |
951 | atomic_t pin_memory; | |
952 | atomic_t gtt_count; | |
953 | atomic_t gtt_memory; | |
954 | uint32_t gtt_total; | |
955 | uint32_t invalidate_domains; /* domains pending invalidation */ | |
956 | uint32_t flush_domains; /* domains pending flush */ | |
957 | /*@} */ | |
958 | ||
84b1fd10 | 959 | }; |
1da177e4 | 960 | |
9bfbd5cb JB |
961 | static inline int drm_dev_to_irq(struct drm_device *dev) |
962 | { | |
963 | return dev->pdev->irq; | |
964 | } | |
965 | ||
b5e89ed5 DA |
966 | static __inline__ int drm_core_check_feature(struct drm_device *dev, |
967 | int feature) | |
1da177e4 LT |
968 | { |
969 | return ((dev->driver->driver_features & feature) ? 1 : 0); | |
970 | } | |
971 | ||
33229601 | 972 | #ifdef __alpha__ |
6244270e | 973 | #define drm_get_pci_domain(dev) dev->hose->index |
33229601 | 974 | #else |
9b1a51b6 | 975 | #define drm_get_pci_domain(dev) 0 |
33229601 DA |
976 | #endif |
977 | ||
1da177e4 LT |
978 | #if __OS_HAS_AGP |
979 | static inline int drm_core_has_AGP(struct drm_device *dev) | |
980 | { | |
b5e89ed5 | 981 | return drm_core_check_feature(dev, DRIVER_USE_AGP); |
1da177e4 LT |
982 | } |
983 | #else | |
984 | #define drm_core_has_AGP(dev) (0) | |
985 | #endif | |
986 | ||
987 | #if __OS_HAS_MTRR | |
988 | static inline int drm_core_has_MTRR(struct drm_device *dev) | |
989 | { | |
b5e89ed5 | 990 | return drm_core_check_feature(dev, DRIVER_USE_MTRR); |
1da177e4 | 991 | } |
269dc512 DA |
992 | |
993 | #define DRM_MTRR_WC MTRR_TYPE_WRCOMB | |
994 | ||
995 | static inline int drm_mtrr_add(unsigned long offset, unsigned long size, | |
996 | unsigned int flags) | |
997 | { | |
998 | return mtrr_add(offset, size, flags, 1); | |
999 | } | |
1000 | ||
1001 | static inline int drm_mtrr_del(int handle, unsigned long offset, | |
1002 | unsigned long size, unsigned int flags) | |
1003 | { | |
1004 | return mtrr_del(handle, offset, size); | |
1005 | } | |
1006 | ||
1da177e4 LT |
1007 | #else |
1008 | #define drm_core_has_MTRR(dev) (0) | |
9c7d462e DA |
1009 | |
1010 | #define DRM_MTRR_WC 0 | |
1011 | ||
1012 | static inline int drm_mtrr_add(unsigned long offset, unsigned long size, | |
1013 | unsigned int flags) | |
1014 | { | |
1015 | return 0; | |
1016 | } | |
1017 | ||
1018 | static inline int drm_mtrr_del(int handle, unsigned long offset, | |
1019 | unsigned long size, unsigned int flags) | |
1020 | { | |
1021 | return 0; | |
1022 | } | |
1da177e4 LT |
1023 | #endif |
1024 | ||
1025 | /******************************************************************/ | |
1026 | /** \name Internal function definitions */ | |
1027 | /*@{*/ | |
1028 | ||
1da177e4 | 1029 | /* Driver support (drm_drv.h) */ |
b5e89ed5 DA |
1030 | extern int drm_init(struct drm_driver *driver); |
1031 | extern void drm_exit(struct drm_driver *driver); | |
1032 | extern int drm_ioctl(struct inode *inode, struct file *filp, | |
1033 | unsigned int cmd, unsigned long arg); | |
1034 | extern long drm_compat_ioctl(struct file *filp, | |
1035 | unsigned int cmd, unsigned long arg); | |
84b1fd10 | 1036 | extern int drm_lastclose(struct drm_device *dev); |
1da177e4 LT |
1037 | |
1038 | /* Device support (drm_fops.h) */ | |
b5e89ed5 DA |
1039 | extern int drm_open(struct inode *inode, struct file *filp); |
1040 | extern int drm_stub_open(struct inode *inode, struct file *filp); | |
b5e89ed5 DA |
1041 | extern int drm_fasync(int fd, struct file *filp, int on); |
1042 | extern int drm_release(struct inode *inode, struct file *filp); | |
1da177e4 LT |
1043 | |
1044 | /* Mapping support (drm_vm.h) */ | |
b5e89ed5 | 1045 | extern int drm_mmap(struct file *filp, struct vm_area_struct *vma); |
a2c0a97b JB |
1046 | extern int drm_mmap_locked(struct file *filp, struct vm_area_struct *vma); |
1047 | extern void drm_vm_open_locked(struct vm_area_struct *vma); | |
ded23359 DA |
1048 | extern unsigned long drm_core_get_map_ofs(struct drm_map * map); |
1049 | extern unsigned long drm_core_get_reg_ofs(struct drm_device *dev); | |
b5e89ed5 | 1050 | extern unsigned int drm_poll(struct file *filp, struct poll_table_struct *wait); |
1da177e4 LT |
1051 | |
1052 | /* Memory management support (drm_memory.h) */ | |
1053 | #include "drm_memory.h" | |
b5e89ed5 DA |
1054 | extern void drm_mem_init(void); |
1055 | extern int drm_mem_info(char *buf, char **start, off_t offset, | |
1056 | int request, int *eof, void *data); | |
1057 | extern void *drm_realloc(void *oldpt, size_t oldsize, size_t size, int area); | |
b5e89ed5 | 1058 | |
84b1fd10 | 1059 | extern DRM_AGP_MEM *drm_alloc_agp(struct drm_device *dev, int pages, u32 type); |
b5e89ed5 DA |
1060 | extern int drm_free_agp(DRM_AGP_MEM * handle, int pages); |
1061 | extern int drm_bind_agp(DRM_AGP_MEM * handle, unsigned int start); | |
673a394b EA |
1062 | extern DRM_AGP_MEM *drm_agp_bind_pages(struct drm_device *dev, |
1063 | struct page **pages, | |
1064 | unsigned long num_pages, | |
ba1eb1d8 KP |
1065 | uint32_t gtt_offset, |
1066 | uint32_t type); | |
b5e89ed5 | 1067 | extern int drm_unbind_agp(DRM_AGP_MEM * handle); |
1da177e4 LT |
1068 | |
1069 | /* Misc. IOCTL support (drm_ioctl.h) */ | |
c153f45f EA |
1070 | extern int drm_irq_by_busid(struct drm_device *dev, void *data, |
1071 | struct drm_file *file_priv); | |
1072 | extern int drm_getunique(struct drm_device *dev, void *data, | |
1073 | struct drm_file *file_priv); | |
1074 | extern int drm_setunique(struct drm_device *dev, void *data, | |
1075 | struct drm_file *file_priv); | |
1076 | extern int drm_getmap(struct drm_device *dev, void *data, | |
1077 | struct drm_file *file_priv); | |
1078 | extern int drm_getclient(struct drm_device *dev, void *data, | |
1079 | struct drm_file *file_priv); | |
1080 | extern int drm_getstats(struct drm_device *dev, void *data, | |
1081 | struct drm_file *file_priv); | |
1082 | extern int drm_setversion(struct drm_device *dev, void *data, | |
1083 | struct drm_file *file_priv); | |
1084 | extern int drm_noop(struct drm_device *dev, void *data, | |
1085 | struct drm_file *file_priv); | |
1da177e4 LT |
1086 | |
1087 | /* Context IOCTL support (drm_context.h) */ | |
c153f45f EA |
1088 | extern int drm_resctx(struct drm_device *dev, void *data, |
1089 | struct drm_file *file_priv); | |
1090 | extern int drm_addctx(struct drm_device *dev, void *data, | |
1091 | struct drm_file *file_priv); | |
1092 | extern int drm_modctx(struct drm_device *dev, void *data, | |
1093 | struct drm_file *file_priv); | |
1094 | extern int drm_getctx(struct drm_device *dev, void *data, | |
1095 | struct drm_file *file_priv); | |
1096 | extern int drm_switchctx(struct drm_device *dev, void *data, | |
1097 | struct drm_file *file_priv); | |
1098 | extern int drm_newctx(struct drm_device *dev, void *data, | |
1099 | struct drm_file *file_priv); | |
1100 | extern int drm_rmctx(struct drm_device *dev, void *data, | |
1101 | struct drm_file *file_priv); | |
b5e89ed5 | 1102 | |
84b1fd10 DA |
1103 | extern int drm_ctxbitmap_init(struct drm_device *dev); |
1104 | extern void drm_ctxbitmap_cleanup(struct drm_device *dev); | |
1105 | extern void drm_ctxbitmap_free(struct drm_device *dev, int ctx_handle); | |
b5e89ed5 | 1106 | |
c153f45f EA |
1107 | extern int drm_setsareactx(struct drm_device *dev, void *data, |
1108 | struct drm_file *file_priv); | |
1109 | extern int drm_getsareactx(struct drm_device *dev, void *data, | |
1110 | struct drm_file *file_priv); | |
1da177e4 LT |
1111 | |
1112 | /* Drawable IOCTL support (drm_drawable.h) */ | |
c153f45f EA |
1113 | extern int drm_adddraw(struct drm_device *dev, void *data, |
1114 | struct drm_file *file_priv); | |
1115 | extern int drm_rmdraw(struct drm_device *dev, void *data, | |
1116 | struct drm_file *file_priv); | |
1117 | extern int drm_update_drawable_info(struct drm_device *dev, void *data, | |
1118 | struct drm_file *file_priv); | |
84b1fd10 | 1119 | extern struct drm_drawable_info *drm_get_drawable_info(struct drm_device *dev, |
bea5679f | 1120 | drm_drawable_t id); |
d4e2cbe9 | 1121 | extern void drm_drawable_free_all(struct drm_device *dev); |
1da177e4 LT |
1122 | |
1123 | /* Authentication IOCTL support (drm_auth.h) */ | |
c153f45f EA |
1124 | extern int drm_getmagic(struct drm_device *dev, void *data, |
1125 | struct drm_file *file_priv); | |
1126 | extern int drm_authmagic(struct drm_device *dev, void *data, | |
1127 | struct drm_file *file_priv); | |
1da177e4 | 1128 | |
673a394b EA |
1129 | /* Cache management (drm_cache.c) */ |
1130 | void drm_clflush_pages(struct page *pages[], unsigned long num_pages); | |
1131 | ||
1da177e4 | 1132 | /* Locking IOCTL support (drm_lock.h) */ |
c153f45f EA |
1133 | extern int drm_lock(struct drm_device *dev, void *data, |
1134 | struct drm_file *file_priv); | |
1135 | extern int drm_unlock(struct drm_device *dev, void *data, | |
1136 | struct drm_file *file_priv); | |
55910517 DA |
1137 | extern int drm_lock_take(struct drm_lock_data *lock_data, unsigned int context); |
1138 | extern int drm_lock_free(struct drm_lock_data *lock_data, unsigned int context); | |
1139 | extern void drm_idlelock_take(struct drm_lock_data *lock_data); | |
1140 | extern void drm_idlelock_release(struct drm_lock_data *lock_data); | |
040ac320 TH |
1141 | |
1142 | /* | |
1143 | * These are exported to drivers so that they can implement fencing using | |
1144 | * DMA quiscent + idle. DMA quiescent usually requires the hardware lock. | |
1145 | */ | |
1146 | ||
c153f45f | 1147 | extern int drm_i_have_hw_lock(struct drm_device *dev, struct drm_file *file_priv); |
1da177e4 LT |
1148 | |
1149 | /* Buffer management support (drm_bufs.h) */ | |
84b1fd10 DA |
1150 | extern int drm_addbufs_agp(struct drm_device *dev, struct drm_buf_desc * request); |
1151 | extern int drm_addbufs_pci(struct drm_device *dev, struct drm_buf_desc * request); | |
1152 | extern int drm_addmap(struct drm_device *dev, unsigned int offset, | |
c60ce623 DA |
1153 | unsigned int size, enum drm_map_type type, |
1154 | enum drm_map_flags flags, drm_local_map_t ** map_ptr); | |
c153f45f EA |
1155 | extern int drm_addmap_ioctl(struct drm_device *dev, void *data, |
1156 | struct drm_file *file_priv); | |
1157 | extern int drm_rmmap(struct drm_device *dev, drm_local_map_t *map); | |
1158 | extern int drm_rmmap_locked(struct drm_device *dev, drm_local_map_t *map); | |
1159 | extern int drm_rmmap_ioctl(struct drm_device *dev, void *data, | |
1160 | struct drm_file *file_priv); | |
1161 | extern int drm_addbufs(struct drm_device *dev, void *data, | |
1162 | struct drm_file *file_priv); | |
1163 | extern int drm_infobufs(struct drm_device *dev, void *data, | |
1164 | struct drm_file *file_priv); | |
1165 | extern int drm_markbufs(struct drm_device *dev, void *data, | |
1166 | struct drm_file *file_priv); | |
1167 | extern int drm_freebufs(struct drm_device *dev, void *data, | |
1168 | struct drm_file *file_priv); | |
1169 | extern int drm_mapbufs(struct drm_device *dev, void *data, | |
1170 | struct drm_file *file_priv); | |
b5e89ed5 | 1171 | extern int drm_order(unsigned long size); |
84b1fd10 | 1172 | extern unsigned long drm_get_resource_start(struct drm_device *dev, |
836cf046 | 1173 | unsigned int resource); |
84b1fd10 | 1174 | extern unsigned long drm_get_resource_len(struct drm_device *dev, |
836cf046 | 1175 | unsigned int resource); |
1da177e4 LT |
1176 | |
1177 | /* DMA support (drm_dma.h) */ | |
84b1fd10 DA |
1178 | extern int drm_dma_setup(struct drm_device *dev); |
1179 | extern void drm_dma_takedown(struct drm_device *dev); | |
056219e2 | 1180 | extern void drm_free_buffer(struct drm_device *dev, struct drm_buf * buf); |
6c340eac EA |
1181 | extern void drm_core_reclaim_buffers(struct drm_device *dev, |
1182 | struct drm_file *filp); | |
1da177e4 LT |
1183 | |
1184 | /* IRQ support (drm_irq.h) */ | |
c153f45f EA |
1185 | extern int drm_control(struct drm_device *dev, void *data, |
1186 | struct drm_file *file_priv); | |
b5e89ed5 | 1187 | extern irqreturn_t drm_irq_handler(DRM_IRQ_ARGS); |
dbb19d30 | 1188 | extern int drm_irq_install(struct drm_device *dev); |
84b1fd10 DA |
1189 | extern int drm_irq_uninstall(struct drm_device *dev); |
1190 | extern void drm_driver_irq_preinstall(struct drm_device *dev); | |
1191 | extern void drm_driver_irq_postinstall(struct drm_device *dev); | |
1192 | extern void drm_driver_irq_uninstall(struct drm_device *dev); | |
b5e89ed5 | 1193 | |
0a3e67a4 | 1194 | extern int drm_vblank_init(struct drm_device *dev, int num_crtcs); |
af6061af | 1195 | extern int drm_wait_vblank(struct drm_device *dev, void *data, |
0a3e67a4 | 1196 | struct drm_file *filp); |
af6061af | 1197 | extern int drm_vblank_wait(struct drm_device *dev, unsigned int *vbl_seq); |
0a3e67a4 JB |
1198 | extern u32 drm_vblank_count(struct drm_device *dev, int crtc); |
1199 | extern void drm_handle_vblank(struct drm_device *dev, int crtc); | |
1200 | extern int drm_vblank_get(struct drm_device *dev, int crtc); | |
1201 | extern void drm_vblank_put(struct drm_device *dev, int crtc); | |
52440211 | 1202 | extern void drm_vblank_cleanup(struct drm_device *dev); |
0a3e67a4 JB |
1203 | /* Modesetting support */ |
1204 | extern int drm_modeset_ctl(struct drm_device *dev, void *data, | |
1205 | struct drm_file *file_priv); | |
1da177e4 LT |
1206 | |
1207 | /* AGP/GART support (drm_agpsupport.h) */ | |
55910517 | 1208 | extern struct drm_agp_head *drm_agp_init(struct drm_device *dev); |
84b1fd10 | 1209 | extern int drm_agp_acquire(struct drm_device *dev); |
c153f45f EA |
1210 | extern int drm_agp_acquire_ioctl(struct drm_device *dev, void *data, |
1211 | struct drm_file *file_priv); | |
84b1fd10 | 1212 | extern int drm_agp_release(struct drm_device *dev); |
c153f45f EA |
1213 | extern int drm_agp_release_ioctl(struct drm_device *dev, void *data, |
1214 | struct drm_file *file_priv); | |
84b1fd10 | 1215 | extern int drm_agp_enable(struct drm_device *dev, struct drm_agp_mode mode); |
c153f45f EA |
1216 | extern int drm_agp_enable_ioctl(struct drm_device *dev, void *data, |
1217 | struct drm_file *file_priv); | |
1218 | extern int drm_agp_info(struct drm_device *dev, struct drm_agp_info *info); | |
1219 | extern int drm_agp_info_ioctl(struct drm_device *dev, void *data, | |
1220 | struct drm_file *file_priv); | |
84b1fd10 | 1221 | extern int drm_agp_alloc(struct drm_device *dev, struct drm_agp_buffer *request); |
c153f45f EA |
1222 | extern int drm_agp_alloc_ioctl(struct drm_device *dev, void *data, |
1223 | struct drm_file *file_priv); | |
84b1fd10 | 1224 | extern int drm_agp_free(struct drm_device *dev, struct drm_agp_buffer *request); |
c153f45f EA |
1225 | extern int drm_agp_free_ioctl(struct drm_device *dev, void *data, |
1226 | struct drm_file *file_priv); | |
84b1fd10 | 1227 | extern int drm_agp_unbind(struct drm_device *dev, struct drm_agp_binding *request); |
c153f45f EA |
1228 | extern int drm_agp_unbind_ioctl(struct drm_device *dev, void *data, |
1229 | struct drm_file *file_priv); | |
84b1fd10 | 1230 | extern int drm_agp_bind(struct drm_device *dev, struct drm_agp_binding *request); |
c153f45f EA |
1231 | extern int drm_agp_bind_ioctl(struct drm_device *dev, void *data, |
1232 | struct drm_file *file_priv); | |
1233 | extern DRM_AGP_MEM *drm_agp_allocate_memory(struct agp_bridge_data *bridge, size_t pages, u32 type); | |
b5e89ed5 DA |
1234 | extern int drm_agp_free_memory(DRM_AGP_MEM * handle); |
1235 | extern int drm_agp_bind_memory(DRM_AGP_MEM * handle, off_t start); | |
1236 | extern int drm_agp_unbind_memory(DRM_AGP_MEM * handle); | |
673a394b | 1237 | extern void drm_agp_chipset_flush(struct drm_device *dev); |
1da177e4 LT |
1238 | |
1239 | /* Stub support (drm_stub.h) */ | |
7c1c2871 DA |
1240 | extern int drm_setmaster_ioctl(struct drm_device *dev, void *data, |
1241 | struct drm_file *file_priv); | |
1242 | extern int drm_dropmaster_ioctl(struct drm_device *dev, void *data, | |
1243 | struct drm_file *file_priv); | |
1244 | struct drm_master *drm_master_create(struct drm_minor *minor); | |
1245 | extern struct drm_master *drm_master_get(struct drm_master *master); | |
1246 | extern void drm_master_put(struct drm_master **master); | |
1da177e4 | 1247 | extern int drm_get_dev(struct pci_dev *pdev, const struct pci_device_id *ent, |
b5e89ed5 | 1248 | struct drm_driver *driver); |
84b1fd10 | 1249 | extern int drm_put_dev(struct drm_device *dev); |
2c14f28b | 1250 | extern int drm_put_minor(struct drm_minor **minor); |
b5e89ed5 | 1251 | extern unsigned int drm_debug; |
2c14f28b | 1252 | |
0650fd58 | 1253 | extern struct class *drm_class; |
1da177e4 LT |
1254 | extern struct proc_dir_entry *drm_proc_root; |
1255 | ||
2c14f28b DA |
1256 | extern struct idr drm_minors_idr; |
1257 | ||
da509d7a DA |
1258 | extern drm_local_map_t *drm_getsarea(struct drm_device *dev); |
1259 | ||
1da177e4 | 1260 | /* Proc support (drm_proc.h) */ |
2c14f28b DA |
1261 | extern int drm_proc_init(struct drm_minor *minor, int minor_id, |
1262 | struct proc_dir_entry *root); | |
1263 | extern int drm_proc_cleanup(struct drm_minor *minor, struct proc_dir_entry *root); | |
1da177e4 LT |
1264 | |
1265 | /* Scatter Gather Support (drm_scatter.h) */ | |
55910517 | 1266 | extern void drm_sg_cleanup(struct drm_sg_mem * entry); |
c153f45f EA |
1267 | extern int drm_sg_alloc_ioctl(struct drm_device *dev, void *data, |
1268 | struct drm_file *file_priv); | |
1269 | extern int drm_sg_alloc(struct drm_device *dev, struct drm_scatter_gather * request); | |
1270 | extern int drm_sg_free(struct drm_device *dev, void *data, | |
1271 | struct drm_file *file_priv); | |
1da177e4 | 1272 | |
b5e89ed5 | 1273 | /* ATI PCIGART support (ati_pcigart.h) */ |
84b1fd10 | 1274 | extern int drm_ati_pcigart_init(struct drm_device *dev, |
55910517 | 1275 | struct drm_ati_pcigart_info * gart_info); |
84b1fd10 | 1276 | extern int drm_ati_pcigart_cleanup(struct drm_device *dev, |
55910517 | 1277 | struct drm_ati_pcigart_info * gart_info); |
1da177e4 | 1278 | |
84b1fd10 | 1279 | extern drm_dma_handle_t *drm_pci_alloc(struct drm_device *dev, size_t size, |
9c8da5eb | 1280 | size_t align, dma_addr_t maxaddr); |
84b1fd10 DA |
1281 | extern void __drm_pci_free(struct drm_device *dev, drm_dma_handle_t * dmah); |
1282 | extern void drm_pci_free(struct drm_device *dev, drm_dma_handle_t * dmah); | |
1da177e4 LT |
1283 | |
1284 | /* sysfs support (drm_sysfs.c) */ | |
e8b962b6 | 1285 | struct drm_sysfs_class; |
0650fd58 | 1286 | extern struct class *drm_sysfs_create(struct module *owner, char *name); |
e8b962b6 | 1287 | extern void drm_sysfs_destroy(void); |
2c14f28b DA |
1288 | extern int drm_sysfs_device_add(struct drm_minor *minor); |
1289 | extern void drm_sysfs_device_remove(struct drm_minor *minor); | |
1da177e4 | 1290 | |
3a1bd924 TH |
1291 | /* |
1292 | * Basic memory manager support (drm_mm.c) | |
1293 | */ | |
55910517 | 1294 | extern struct drm_mm_node *drm_mm_get_block(struct drm_mm_node * parent, |
3a1bd924 TH |
1295 | unsigned long size, |
1296 | unsigned alignment); | |
8562b3f2 | 1297 | extern void drm_mm_put_block(struct drm_mm_node * cur); |
55910517 | 1298 | extern struct drm_mm_node *drm_mm_search_free(const struct drm_mm *mm, unsigned long size, |
3a1bd924 | 1299 | unsigned alignment, int best_match); |
55910517 DA |
1300 | extern int drm_mm_init(struct drm_mm *mm, unsigned long start, unsigned long size); |
1301 | extern void drm_mm_takedown(struct drm_mm *mm); | |
1302 | extern int drm_mm_clean(struct drm_mm *mm); | |
1303 | extern unsigned long drm_mm_tail_space(struct drm_mm *mm); | |
1304 | extern int drm_mm_remove_space_from_tail(struct drm_mm *mm, unsigned long size); | |
1305 | extern int drm_mm_add_space_to_tail(struct drm_mm *mm, unsigned long size); | |
3a1bd924 | 1306 | |
673a394b EA |
1307 | /* Graphics Execution Manager library functions (drm_gem.c) */ |
1308 | int drm_gem_init(struct drm_device *dev); | |
a2c0a97b | 1309 | void drm_gem_destroy(struct drm_device *dev); |
673a394b EA |
1310 | void drm_gem_object_free(struct kref *kref); |
1311 | struct drm_gem_object *drm_gem_object_alloc(struct drm_device *dev, | |
1312 | size_t size); | |
1313 | void drm_gem_object_handle_free(struct kref *kref); | |
a2c0a97b | 1314 | int drm_gem_mmap(struct file *filp, struct vm_area_struct *vma); |
673a394b EA |
1315 | |
1316 | static inline void | |
1317 | drm_gem_object_reference(struct drm_gem_object *obj) | |
1318 | { | |
1319 | kref_get(&obj->refcount); | |
1320 | } | |
1321 | ||
1322 | static inline void | |
1323 | drm_gem_object_unreference(struct drm_gem_object *obj) | |
1324 | { | |
1325 | if (obj == NULL) | |
1326 | return; | |
1327 | ||
1328 | kref_put(&obj->refcount, drm_gem_object_free); | |
1329 | } | |
1330 | ||
1331 | int drm_gem_handle_create(struct drm_file *file_priv, | |
1332 | struct drm_gem_object *obj, | |
1333 | int *handlep); | |
1334 | ||
1335 | static inline void | |
1336 | drm_gem_object_handle_reference(struct drm_gem_object *obj) | |
1337 | { | |
1338 | drm_gem_object_reference(obj); | |
1339 | kref_get(&obj->handlecount); | |
1340 | } | |
1341 | ||
1342 | static inline void | |
1343 | drm_gem_object_handle_unreference(struct drm_gem_object *obj) | |
1344 | { | |
1345 | if (obj == NULL) | |
1346 | return; | |
1347 | ||
1348 | /* | |
1349 | * Must bump handle count first as this may be the last | |
1350 | * ref, in which case the object would disappear before we | |
1351 | * checked for a name | |
1352 | */ | |
1353 | kref_put(&obj->handlecount, drm_gem_object_handle_free); | |
1354 | drm_gem_object_unreference(obj); | |
1355 | } | |
1356 | ||
1357 | struct drm_gem_object *drm_gem_object_lookup(struct drm_device *dev, | |
1358 | struct drm_file *filp, | |
1359 | int handle); | |
1360 | int drm_gem_close_ioctl(struct drm_device *dev, void *data, | |
1361 | struct drm_file *file_priv); | |
1362 | int drm_gem_flink_ioctl(struct drm_device *dev, void *data, | |
1363 | struct drm_file *file_priv); | |
1364 | int drm_gem_open_ioctl(struct drm_device *dev, void *data, | |
1365 | struct drm_file *file_priv); | |
1366 | void drm_gem_open(struct drm_device *dev, struct drm_file *file_private); | |
1367 | void drm_gem_release(struct drm_device *dev, struct drm_file *file_private); | |
1368 | ||
004a7727 | 1369 | extern void drm_core_ioremap(struct drm_map *map, struct drm_device *dev); |
242e3df8 | 1370 | extern void drm_core_ioremap_wc(struct drm_map *map, struct drm_device *dev); |
004a7727 | 1371 | extern void drm_core_ioremapfree(struct drm_map *map, struct drm_device *dev); |
1da177e4 | 1372 | |
b5e89ed5 DA |
1373 | static __inline__ struct drm_map *drm_core_findmap(struct drm_device *dev, |
1374 | unsigned int token) | |
1da177e4 | 1375 | { |
55910517 | 1376 | struct drm_map_list *_entry; |
bd1b331f | 1377 | list_for_each_entry(_entry, &dev->maplist, head) |
b5e89ed5 DA |
1378 | if (_entry->user_token == token) |
1379 | return _entry->map; | |
1da177e4 LT |
1380 | return NULL; |
1381 | } | |
1382 | ||
84b1fd10 | 1383 | static __inline__ int drm_device_is_agp(struct drm_device *dev) |
cda17380 | 1384 | { |
b5e89ed5 DA |
1385 | if (dev->driver->device_is_agp != NULL) { |
1386 | int err = (*dev->driver->device_is_agp) (dev); | |
1387 | ||
cda17380 DA |
1388 | if (err != 2) { |
1389 | return err; | |
1390 | } | |
1391 | } | |
1392 | ||
1393 | return pci_find_capability(dev->pdev, PCI_CAP_ID_AGP); | |
1394 | } | |
1395 | ||
84b1fd10 | 1396 | static __inline__ int drm_device_is_pcie(struct drm_device *dev) |
ea98a92f DA |
1397 | { |
1398 | return pci_find_capability(dev->pdev, PCI_CAP_ID_EXP); | |
1399 | } | |
1400 | ||
1da177e4 LT |
1401 | static __inline__ void drm_core_dropmap(struct drm_map *map) |
1402 | { | |
1403 | } | |
1404 | ||
1405 | #ifndef DEBUG_MEMORY | |
1406 | /** Wrapper around kmalloc() */ | |
1407 | static __inline__ void *drm_alloc(size_t size, int area) | |
1408 | { | |
1409 | return kmalloc(size, GFP_KERNEL); | |
1410 | } | |
1411 | ||
1412 | /** Wrapper around kfree() */ | |
1413 | static __inline__ void drm_free(void *pt, size_t size, int area) | |
1414 | { | |
1415 | kfree(pt); | |
1416 | } | |
b9523249 DA |
1417 | |
1418 | /** Wrapper around kcalloc() */ | |
1419 | static __inline__ void *drm_calloc(size_t nmemb, size_t size, int area) | |
1420 | { | |
1421 | return kcalloc(nmemb, size, GFP_KERNEL); | |
1422 | } | |
1da177e4 LT |
1423 | #else |
1424 | extern void *drm_alloc(size_t size, int area); | |
1425 | extern void drm_free(void *pt, size_t size, int area); | |
b9523249 | 1426 | extern void *drm_calloc(size_t nmemb, size_t size, int area); |
1da177e4 LT |
1427 | #endif |
1428 | ||
1429 | /*@}*/ | |
1430 | ||
b5e89ed5 | 1431 | #endif /* __KERNEL__ */ |
1da177e4 | 1432 | #endif |