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suser_* to priv_* conversion
[dragonfly.git] / sys / dev / drm / drmP.h
blob859e639e25619f8bf54ef9d7fefaec2f847d111e
1 /* drmP.h -- Private header for Direct Rendering Manager -*- linux-c -*-
2 * Created: Mon Jan 4 10:05:05 1999 by faith@precisioninsight.com
3 */
4 /*-
5 * Copyright 1999 Precision Insight, Inc., Cedar Park, Texas.
6 * Copyright 2000 VA Linux Systems, Inc., Sunnyvale, California.
7 * All rights reserved.
8 *
9 * Permission is hereby granted, free of charge, to any person obtaining a
10 * copy of this software and associated documentation files (the "Software"),
11 * to deal in the Software without restriction, including without limitation
12 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
13 * and/or sell copies of the Software, and to permit persons to whom the
14 * Software is furnished to do so, subject to the following conditions:
15 *
16 * The above copyright notice and this permission notice (including the next
17 * paragraph) shall be included in all copies or substantial portions of the
18 * Software.
19 *
20 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
21 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
22 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
23 * VA LINUX SYSTEMS AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR
24 * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
25 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
26 * OTHER DEALINGS IN THE SOFTWARE.
27 *
28 * Authors:
29 * Rickard E. (Rik) Faith <faith@valinux.com>
30 * Gareth Hughes <gareth@valinux.com>
31 *
32 * $DragonFly: src/sys/dev/drm/drmP.h,v 1.7 2008/07/24 01:27:47 swildner Exp $
33 */
34
35 #ifndef _DRM_P_H_
36 #define _DRM_P_H_
37
38 #if defined(_KERNEL) || defined(__KERNEL__)
39
40 typedef struct drm_device drm_device_t;
41 typedef struct drm_file drm_file_t;
42
43 #include <sys/param.h>
44 #include <sys/queue.h>
45 #include <sys/malloc.h>
46 #include <sys/kernel.h>
47 #include <sys/module.h>
48 #include <sys/systm.h>
49 #include <sys/conf.h>
50 #include <sys/stat.h>
51 #include <sys/priv.h>
52 #include <sys/proc.h>
53 #include <sys/lock.h>
54 #include <sys/fcntl.h>
55 #include <sys/uio.h>
56 #include <sys/filio.h>
57 #include <sys/sysctl.h>
58 #include <sys/bus.h>
59 #include <sys/signalvar.h>
60 #include <sys/poll.h>
61 #include <sys/tree.h>
62 #include <sys/taskqueue.h>
63 #include <vm/vm.h>
64 #include <vm/pmap.h>
65 #include <vm/vm_extern.h>
66 #include <vm/vm_map.h>
67 #include <vm/vm_param.h>
68 #include <machine/param.h>
69 #include <machine/pmap.h>
70 #ifdef __DragonFly__
71 #include <sys/bus.h>
72 #include <sys/resource.h>
73 #else
74 #include <machine/bus.h>
75 #include <machine/resource.h>
76 #endif
77 #include <machine/sysarch.h>
78 #include <sys/endian.h>
79 #include <sys/mman.h>
80 #if defined(__FreeBSD__) || defined(__DragonFly__)
81 #include <sys/rman.h>
82 #include <sys/memrange.h>
83 #if __FreeBSD_version >= 800004 || defined(__DragonFly__)
84 #include <dev/agp/agpvar.h>
85 #else /* __FreeBSD_version >= 800004 */
86 #include <pci/agpvar.h>
87 #endif /* __FreeBSD_version >= 800004 */
88 #include <sys/agpio.h>
89 #if defined(__DragonFly__)
90 #include <sys/thread2.h>
91 #include <sys/device.h>
92 #include <sys/spinlock2.h>
93 #include <bus/pci/pcivar.h>
94 #include <sys/selinfo.h>
95 #elif __FreeBSD_version >= 500000
96 #include <sys/mutex.h>
97 #include <dev/pci/pcivar.h>
98 #include <sys/selinfo.h>
99 #else /* __FreeBSD_version >= 500000 */
100 #include <pci/pcivar.h>
101 #include <sys/select.h>
102 #endif /* __FreeBSD_version < 500000 */
103 #elif defined(__NetBSD__)
104 #include <machine/mtrr.h>
105 #include <sys/vnode.h>
106 #include <sys/select.h>
107 #include <sys/device.h>
108 #include <sys/resourcevar.h>
109 #include <sys/lkm.h>
110 #include <sys/agpio.h>
111 #include <sys/ttycom.h>
112 #include <uvm/uvm.h>
113 #include <dev/pci/pcireg.h>
114 #include <dev/pci/pcivar.h>
115 #include <dev/pci/agpvar.h>
116 #elif defined(__OpenBSD__)
117 #include <sys/lkm.h>
118 #include <uvm/uvm.h>
119 #endif
120 #include <sys/bus.h>
121
122 #include "drm.h"
123 #include "drm_linux_list.h"
124 #include "drm_atomic.h"
125 #include "drm_internal.h"
126
127 #ifdef __FreeBSD__
128 #include <opt_drm.h>
129 #ifdef DRM_DEBUG
130 #undef DRM_DEBUG
131 #define DRM_DEBUG_DEFAULT_ON 1
132 #endif /* DRM_DEBUG */
133 #endif
134
135 #if defined(DRM_LINUX) && DRM_LINUX && !defined(__amd64__)
136 #include <sys/file.h>
137 #include <sys/proc.h>
138 #include <machine/../linux/linux.h>
139 #include <machine/../linux/linux_proto.h>
140 #else
141 /* Either it was defined when it shouldn't be (FreeBSD amd64) or it isn't
142 * supported on this OS yet.
143 */
144 #undef DRM_LINUX
145 #define DRM_LINUX 0
146 #endif
147
148 #define DRM_HASH_SIZE 16 /* Size of key hash table */
149 #define DRM_KERNEL_CONTEXT 0 /* Change drm_resctx if changed */
150 #define DRM_RESERVED_CONTEXTS 1 /* Change drm_resctx if changed */
151
152 #define DRM_MEM_DMA 0
153 #define DRM_MEM_SAREA 1
154 #define DRM_MEM_DRIVER 2
155 #define DRM_MEM_MAGIC 3
156 #define DRM_MEM_IOCTLS 4
157 #define DRM_MEM_MAPS 5
158 #define DRM_MEM_BUFS 6
159 #define DRM_MEM_SEGS 7
160 #define DRM_MEM_PAGES 8
161 #define DRM_MEM_FILES 9
162 #define DRM_MEM_QUEUES 10
163 #define DRM_MEM_CMDS 11
164 #define DRM_MEM_MAPPINGS 12
165 #define DRM_MEM_BUFLISTS 13
166 #define DRM_MEM_AGPLISTS 14
167 #define DRM_MEM_TOTALAGP 15
168 #define DRM_MEM_BOUNDAGP 16
169 #define DRM_MEM_CTXBITMAP 17
170 #define DRM_MEM_STUB 18
171 #define DRM_MEM_SGLISTS 19
172 #define DRM_MEM_DRAWABLE 20
173
174 #define DRM_MAX_CTXBITMAP (PAGE_SIZE * 8)
175
176 /* Internal types and structures */
177 #define DRM_ARRAY_SIZE(x) (sizeof(x)/sizeof(x[0]))
178 #define DRM_MIN(a,b) ((a)<(b)?(a):(b))
179 #define DRM_MAX(a,b) ((a)>(b)?(a):(b))
180
181 #define DRM_IF_VERSION(maj, min) (maj << 16 | min)
182
183 MALLOC_DECLARE(M_DRM);
184
185 #define __OS_HAS_AGP 1
186
187 #define DRM_DEV_MODE (S_IRUSR|S_IWUSR|S_IRGRP|S_IWGRP)
188 #define DRM_DEV_UID 0
189 #define DRM_DEV_GID 0
190
191 #define wait_queue_head_t atomic_t
192 #define DRM_WAKEUP(w) wakeup((void *)w)
193 #define DRM_WAKEUP_INT(w) wakeup(w)
194 #define DRM_INIT_WAITQUEUE(queue) do {(void)(queue);} while (0)
195
196 #if defined(__FreeBSD__) && __FreeBSD_version < 502109
197 #define bus_alloc_resource_any(dev, type, rid, flags) \
198 bus_alloc_resource(dev, type, rid, 0ul, ~0ul, 1, flags)
199 #endif
200
201 #if defined(__FreeBSD__) && __FreeBSD_version >= 500000
202 #define DRM_CURPROC curthread
203 #define DRM_STRUCTPROC struct thread
204 #define DRM_SPINTYPE struct mtx
205 #define DRM_SPININIT(l,name) mtx_init(l, name, NULL, MTX_DEF)
206 #define DRM_SPINUNINIT(l) mtx_destroy(l)
207 #define DRM_SPINLOCK(l) mtx_lock(l)
208 #define DRM_SPINUNLOCK(u) mtx_unlock(u)
209 #define DRM_SPINLOCK_IRQSAVE(l, irqflags) do { \
210 mtx_lock(l); \
211 (void)irqflags; \
212 } while (0)
213 #define DRM_SPINUNLOCK_IRQRESTORE(u, irqflags) mtx_unlock(u)
214 #define DRM_SPINLOCK_ASSERT(l) mtx_assert(l, MA_OWNED)
215 #define DRM_CURRENTPID curthread->td_proc->p_pid
216 #define DRM_LOCK() mtx_lock(&dev->dev_lock)
217 #define DRM_UNLOCK() mtx_unlock(&dev->dev_lock)
218 #define DRM_SYSCTL_HANDLER_ARGS (SYSCTL_HANDLER_ARGS)
219 #elif defined(__DragonFly__)
220 #define DRM_CURPROC curthread
221 #define DRM_STRUCTPROC struct thread
222 #define DRM_SPINTYPE struct spinlock
223 #define DRM_SPININIT(l,name) spin_init(l)
224 #define DRM_SPINUNINIT(l) spin_uninit(l)
225 #define DRM_SPINLOCK(l) spin_lock_wr(l)
226 #define DRM_SPINUNLOCK(u) spin_unlock_wr(u)
227 #define DRM_SPINLOCK_IRQSAVE(l, irqflags) do { \
228 DRM_SPINLOCK(l); \
229 (void)irqflags; \
230 } while (0)
231 #define DRM_SPINUNLOCK_IRQRESTORE(u, irqflags) DRM_SPINUNLOCK(u)
232 #define DRM_SPINLOCK_ASSERT(l)
233 #define DRM_CURRENTPID curthread->td_proc->p_pid
234 #define DRM_LOCK() DRM_SPINLOCK(&dev->dev_lock)
235 #define DRM_UNLOCK() DRM_SPINUNLOCK(&dev->dev_lock)
236 #define DRM_SYSCTL_HANDLER_ARGS (SYSCTL_HANDLER_ARGS)
237 #else /* __FreeBSD__ && __FreeBSD_version >= 500000 || __DragonFly__ */
238 #define DRM_CURPROC curproc
239 #define DRM_STRUCTPROC struct proc
240 #define DRM_SPINTYPE struct simplelock
241 #define DRM_SPININIT(l,name)
242 #define DRM_SPINUNINIT(l)
243 #define DRM_SPINLOCK(l)
244 #define DRM_SPINUNLOCK(u)
245 #define DRM_SPINLOCK_ASSERT(l)
246 #define DRM_CURRENTPID curproc->p_pid
247 #define DRM_LOCK()
248 #define DRM_UNLOCK()
249 #define DRM_SYSCTL_HANDLER_ARGS SYSCTL_HANDLER_ARGS
250 #define spldrm() spltty()
251 #endif /* __NetBSD__ || __OpenBSD__ */
252
253 #define DRM_IRQ_ARGS void *arg
254 typedef void irqreturn_t;
255 #define IRQ_HANDLED /* nothing */
256 #define IRQ_NONE /* nothing */
257
258 enum {
259 DRM_IS_NOT_AGP,
260 DRM_IS_AGP,
261 DRM_MIGHT_BE_AGP
262 };
263 #define DRM_AGP_MEM struct agp_memory_info
264
265 #if defined(__FreeBSD__) || defined(__DragonFly__)
266 #define drm_get_device_from_kdev(_kdev) (_kdev->si_drv1)
267 #elif defined(__NetBSD__)
268 #define drm_get_device_from_kdev(_kdev) device_lookup(&drm_cd, minor(_kdev))
269 #elif defined(__OpenBSD__)
270 #define drm_get_device_from_kdev(_kdev) device_lookup(&drm_cd, \
271 minor(_kdev)))->dv_cfdata->cf_driver->cd_devs[minor(_kdev)]
272 #endif
273
274 #if defined(__FreeBSD__) || defined(__DragonFly__)
275 #define PAGE_ALIGN(addr) round_page(addr)
276 /* DRM_SUSER returns true if the user is superuser */
277 #define DRM_SUSER(p) (priv_check(p, PRIV_DRIVER) == 0)
278 #define DRM_AGP_FIND_DEVICE() agp_find_device()
279 #define DRM_MTRR_WC MDF_WRITECOMBINE
280 #define jiffies ticks
281
282 #else /* __FreeBSD__ || __DragonFly__ */
283
284 #define CDEV_MAJOR 34
285 #define PAGE_ALIGN(addr) (((addr) + PAGE_SIZE - 1) & PAGE_MASK)
286 /* DRM_SUSER returns true if the user is superuser */
287 #define DRM_SUSER(p) (suser(p->p_ucred, &p->p_acflag) == 0)
288 #define DRM_AGP_FIND_DEVICE() agp_find_device(0)
289 #define DRM_MTRR_WC MTRR_TYPE_WC
290 #define jiffies hardclock_ticks
291
292 typedef drm_device_t *device_t;
293 extern struct cfdriver drm_cd;
294 #endif /* !__FreeBSD__ && !__DragonFly__ */
295
296 /* Capabilities taken from src/sys/dev/pci/pcireg.h. */
297 #ifndef PCIY_AGP
298 #define PCIY_AGP 0x02
299 #endif
300
301 #ifndef PCIY_EXPRESS
302 #define PCIY_EXPRESS 0x10
303 #endif
304
305 typedef unsigned long dma_addr_t;
306 typedef u_int64_t u64;
307 typedef u_int32_t u32;
308 typedef u_int16_t u16;
309 typedef u_int8_t u8;
310
311 /* DRM_READMEMORYBARRIER() prevents reordering of reads.
312 * DRM_WRITEMEMORYBARRIER() prevents reordering of writes.
313 * DRM_MEMORYBARRIER() prevents reordering of reads and writes.
314 */
315 #if defined(__i386__)
316 #define DRM_READMEMORYBARRIER() __asm __volatile( \
317 "lock; addl $0,0(%%esp)" : : : "memory");
318 #define DRM_WRITEMEMORYBARRIER() __asm __volatile("" : : : "memory");
319 #define DRM_MEMORYBARRIER() __asm __volatile( \
320 "lock; addl $0,0(%%esp)" : : : "memory");
321 #elif defined(__alpha__)
322 #define DRM_READMEMORYBARRIER() alpha_mb();
323 #define DRM_WRITEMEMORYBARRIER() alpha_wmb();
324 #define DRM_MEMORYBARRIER() alpha_mb();
325 #elif defined(__amd64__)
326 #define DRM_READMEMORYBARRIER() __asm __volatile( \
327 "lock; addl $0,0(%%rsp)" : : : "memory");
328 #define DRM_WRITEMEMORYBARRIER() __asm __volatile("" : : : "memory");
329 #define DRM_MEMORYBARRIER() __asm __volatile( \
330 "lock; addl $0,0(%%rsp)" : : : "memory");
331 #endif
332
333 #if defined(__FreeBSD__) || defined(__DragonFly__)
334 #define DRM_READ8(map, offset) \
335 *(volatile u_int8_t *) (((unsigned long)(map)->handle) + (offset))
336 #define DRM_READ16(map, offset) \
337 *(volatile u_int16_t *) (((unsigned long)(map)->handle) + (offset))
338 #define DRM_READ32(map, offset) \
339 *(volatile u_int32_t *)(((unsigned long)(map)->handle) + (offset))
340 #define DRM_WRITE8(map, offset, val) \
341 *(volatile u_int8_t *) (((unsigned long)(map)->handle) + (offset)) = val
342 #define DRM_WRITE16(map, offset, val) \
343 *(volatile u_int16_t *) (((unsigned long)(map)->handle) + (offset)) = val
344 #define DRM_WRITE32(map, offset, val) \
345 *(volatile u_int32_t *)(((unsigned long)(map)->handle) + (offset)) = val
346
347 #define DRM_VERIFYAREA_READ( uaddr, size ) \
348 (!useracc(__DECONST(caddr_t, uaddr), size, VM_PROT_READ))
349
350 #else /* __FreeBSD__ || __DragonFly__ */
351
352 typedef vaddr_t vm_offset_t;
353
354 #define DRM_READ8(map, offset) \
355 bus_space_read_1( (map)->bst, (map)->bsh, (offset))
356 #define DRM_READ16(map, offset) \
357 bus_space_read_2( (map)->bst, (map)->bsh, (offset))
358 #define DRM_READ32(map, offset) \
359 bus_space_read_4( (map)->bst, (map)->bsh, (offset))
360 #define DRM_WRITE8(map, offset, val) \
361 bus_space_write_1((map)->bst, (map)->bsh, (offset), (val))
362 #define DRM_WRITE16(map, offset, val) \
363 bus_space_write_2((map)->bst, (map)->bsh, (offset), (val))
364 #define DRM_WRITE32(map, offset, val) \
365 bus_space_write_4((map)->bst, (map)->bsh, (offset), (val))
366
367 #define DRM_VERIFYAREA_READ( uaddr, size ) \
368 (!uvm_useracc((caddr_t)uaddr, size, VM_PROT_READ))
369 #endif /* !__FreeBSD__ && !__DragonFly__ */
370
371 #define DRM_COPY_TO_USER(user, kern, size) \
372 copyout(kern, user, size)
373 #define DRM_COPY_FROM_USER(kern, user, size) \
374 copyin(user, kern, size)
375 #define DRM_COPY_FROM_USER_UNCHECKED(arg1, arg2, arg3) \
376 copyin(arg2, arg1, arg3)
377 #define DRM_COPY_TO_USER_UNCHECKED(arg1, arg2, arg3) \
378 copyout(arg2, arg1, arg3)
379 #if __FreeBSD_version > 500000
380 #define DRM_GET_USER_UNCHECKED(val, uaddr) \
381 ((val) = fuword32(uaddr), 0)
382 #else
383 #define DRM_GET_USER_UNCHECKED(val, uaddr) \
384 ((val) = fuword(uaddr), 0)
385 #endif
386
387 #define cpu_to_le32(x) htole32(x)
388 #define le32_to_cpu(x) le32toh(x)
389
390 #define DRM_HZ hz
391 #define DRM_UDELAY(udelay) DELAY(udelay)
392 #define DRM_TIME_SLICE (hz/20) /* Time slice for GLXContexts */
393
394 #define DRM_GET_PRIV_SAREA(_dev, _ctx, _map) do { \
395 (_map) = (_dev)->context_sareas[_ctx]; \
396 } while(0)
397
398 #define LOCK_TEST_WITH_RETURN(dev, file_priv) \
399 do { \
400 if (!_DRM_LOCK_IS_HELD(dev->lock.hw_lock->lock) || \
401 dev->lock.file_priv != file_priv) { \
402 DRM_ERROR("%s called without lock held\n", \
403 __FUNCTION__); \
404 return EINVAL; \
405 } \
406 } while (0)
407
408 #if defined(__FreeBSD__) && __FreeBSD_version > 500000
409 /* Returns -errno to shared code */
410 #define DRM_WAIT_ON( ret, queue, timeout, condition ) \
411 for ( ret = 0 ; !ret && !(condition) ; ) { \
412 DRM_UNLOCK(); \
413 mtx_lock(&dev->irq_lock); \
414 if (!(condition)) \
415 ret = -mtx_sleep(&(queue), &dev->irq_lock, \
416 PZERO | PCATCH, "drmwtq", (timeout)); \
417 mtx_unlock(&dev->irq_lock); \
418 DRM_LOCK(); \
419 }
420 #elif defined(__DragonFly__)
421 #define DRM_WAIT_ON( ret, queue, timeout, condition ) \
422 for ( ret = 0 ; !ret && !(condition) ; ) { \
423 DRM_UNLOCK(); \
424 lwkt_serialize_enter(&dev->irq_lock); \
425 if (!(condition)) { \
426 crit_enter(); \
427 tsleep_interlock(&(queue)); \
428 lwkt_serialize_exit(&dev->irq_lock); \
429 ret = -tsleep(&(queue), PCATCH, \
430 "drmwtq", (timeout)); \
431 crit_exit(); \
432 } else { \
433 lwkt_serialize_exit(&dev->irq_lock); \
434 } \
435 DRM_LOCK(); \
436 }
437 #else
438 /* Returns -errno to shared code */
439 #define DRM_WAIT_ON( ret, queue, timeout, condition ) \
440 for ( ret = 0 ; !ret && !(condition) ; ) { \
441 int s = spldrm(); \
442 if (!(condition)) \
443 ret = -tsleep( &(queue), PZERO | PCATCH, \
444 "drmwtq", (timeout) ); \
445 splx(s); \
446 }
447 #endif
448
449 #ifdef __DragonFly__
450 #define printf kprintf
451 #define snprintf ksnprintf
452 #define sscanf ksscanf
453 #define malloc kmalloc
454 #define realloc krealloc
455
456 __inline static void
457 free(void *addr, struct malloc_type *type)
458 {
459 if (addr != NULL)
460 kfree(addr, type);
461 }
462 #endif
463
464 #define DRM_ERROR(fmt, arg...) \
465 printf("error: [" DRM_NAME ":pid%d:%s] *ERROR* " fmt, \
466 DRM_CURRENTPID, __func__ , ## arg)
467
468 #define DRM_INFO(fmt, arg...) printf("info: [" DRM_NAME "] " fmt , ## arg)
469
470 #define DRM_DEBUG(fmt, arg...) do { \
471 if (drm_debug_flag) \
472 printf("[" DRM_NAME ":pid%d:%s] " fmt, DRM_CURRENTPID, \
473 __func__ , ## arg); \
474 } while (0)
475
476 typedef struct drm_pci_id_list
477 {
478 int vendor;
479 int device;
480 long driver_private;
481 char *name;
482 } drm_pci_id_list_t;
483
484 #define DRM_AUTH 0x1
485 #define DRM_MASTER 0x2
486 #define DRM_ROOT_ONLY 0x4
487 typedef struct drm_ioctl_desc {
488 unsigned long cmd;
489 int (*func)(drm_device_t *dev, void *data, struct drm_file *file_priv);
490 int flags;
491 } drm_ioctl_desc_t;
492 /**
493 * Creates a driver or general drm_ioctl_desc array entry for the given
494 * ioctl, for use by drm_ioctl().
495 */
496 #define DRM_IOCTL_DEF(ioctl, func, flags) \
497 [DRM_IOCTL_NR(ioctl)] = {ioctl, func, flags}
498
499 typedef struct drm_magic_entry {
500 drm_magic_t magic;
501 struct drm_file *priv;
502 struct drm_magic_entry *next;
503 } drm_magic_entry_t;
504
505 typedef struct drm_magic_head {
506 struct drm_magic_entry *head;
507 struct drm_magic_entry *tail;
508 } drm_magic_head_t;
509
510 typedef struct drm_buf {
511 int idx; /* Index into master buflist */
512 int total; /* Buffer size */
513 int order; /* log-base-2(total) */
514 int used; /* Amount of buffer in use (for DMA) */
515 unsigned long offset; /* Byte offset (used internally) */
516 void *address; /* Address of buffer */
517 unsigned long bus_address; /* Bus address of buffer */
518 struct drm_buf *next; /* Kernel-only: used for free list */
519 __volatile__ int pending; /* On hardware DMA queue */
520 struct drm_file *file_priv; /* Unique identifier of holding process */
521 int context; /* Kernel queue for this buffer */
522 enum {
523 DRM_LIST_NONE = 0,
524 DRM_LIST_FREE = 1,
525 DRM_LIST_WAIT = 2,
526 DRM_LIST_PEND = 3,
527 DRM_LIST_PRIO = 4,
528 DRM_LIST_RECLAIM = 5
529 } list; /* Which list we're on */
530
531 int dev_priv_size; /* Size of buffer private stoarge */
532 void *dev_private; /* Per-buffer private storage */
533 } drm_buf_t;
534
535 typedef struct drm_freelist {
536 int initialized; /* Freelist in use */
537 atomic_t count; /* Number of free buffers */
538 drm_buf_t *next; /* End pointer */
539
540 int low_mark; /* Low water mark */
541 int high_mark; /* High water mark */
542 } drm_freelist_t;
543
544 typedef struct drm_dma_handle {
545 void *vaddr;
546 bus_addr_t busaddr;
547 #if defined(__FreeBSD__) || defined(__DragonFly__)
548 bus_dma_tag_t tag;
549 bus_dmamap_t map;
550 #elif defined(__NetBSD__)
551 bus_dma_segment_t seg;
552 #endif
553 } drm_dma_handle_t;
554
555 typedef struct drm_buf_entry {
556 int buf_size;
557 int buf_count;
558 drm_buf_t *buflist;
559 int seg_count;
560 drm_dma_handle_t **seglist;
561 int page_order;
562
563 drm_freelist_t freelist;
564 } drm_buf_entry_t;
565
566 typedef TAILQ_HEAD(drm_file_list, drm_file) drm_file_list_t;
567 struct drm_file {
568 TAILQ_ENTRY(drm_file) link;
569 int authenticated;
570 int master;
571 int minor;
572 pid_t pid;
573 uid_t uid;
574 int refs;
575 drm_magic_t magic;
576 unsigned long ioctl_count;
577 void *driver_priv;
578 };
579
580 typedef struct drm_lock_data {
581 drm_hw_lock_t *hw_lock; /* Hardware lock */
582 struct drm_file *file_priv; /* Unique identifier of holding process (NULL is kernel)*/
583 int lock_queue; /* Queue of blocked processes */
584 unsigned long lock_time; /* Time of last lock in jiffies */
585 } drm_lock_data_t;
586
587 /* This structure, in the drm_device_t, is always initialized while the device
588 * is open. dev->dma_lock protects the incrementing of dev->buf_use, which
589 * when set marks that no further bufs may be allocated until device teardown
590 * occurs (when the last open of the device has closed). The high/low
591 * watermarks of bufs are only touched by the X Server, and thus not
592 * concurrently accessed, so no locking is needed.
593 */
594 typedef struct drm_device_dma {
595 drm_buf_entry_t bufs[DRM_MAX_ORDER+1];
596 int buf_count;
597 drm_buf_t **buflist; /* Vector of pointers info bufs */
598 int seg_count;
599 int page_count;
600 unsigned long *pagelist;
601 unsigned long byte_count;
602 enum {
603 _DRM_DMA_USE_AGP = 0x01,
604 _DRM_DMA_USE_SG = 0x02
605 } flags;
606 } drm_device_dma_t;
607
608 typedef struct drm_agp_mem {
609 void *handle;
610 unsigned long bound; /* address */
611 int pages;
612 struct drm_agp_mem *prev;
613 struct drm_agp_mem *next;
614 } drm_agp_mem_t;
615
616 typedef struct drm_agp_head {
617 device_t agpdev;
618 struct agp_info info;
619 const char *chipset;
620 drm_agp_mem_t *memory;
621 unsigned long mode;
622 int enabled;
623 int acquired;
624 unsigned long base;
625 int mtrr;
626 int cant_use_aperture;
627 unsigned long page_mask;
628 } drm_agp_head_t;
629
630 typedef struct drm_sg_mem {
631 unsigned long handle;
632 void *virtual;
633 int pages;
634 dma_addr_t *busaddr;
635 drm_dma_handle_t *dmah; /* Handle to PCI memory for ATI PCIGART table */
636 } drm_sg_mem_t;
637
638 typedef TAILQ_HEAD(drm_map_list, drm_local_map) drm_map_list_t;
639
640 typedef struct drm_local_map {
641 unsigned long offset; /* Physical address (0 for SAREA)*/
642 unsigned long size; /* Physical size (bytes) */
643 drm_map_type_t type; /* Type of memory mapped */
644 drm_map_flags_t flags; /* Flags */
645 void *handle; /* User-space: "Handle" to pass to mmap */
646 /* Kernel-space: kernel-virtual address */
647 int mtrr; /* Boolean: MTRR used */
648 /* Private data */
649 int rid; /* PCI resource ID for bus_space */
650 struct resource *bsr;
651 bus_space_tag_t bst;
652 bus_space_handle_t bsh;
653 drm_dma_handle_t *dmah;
654 TAILQ_ENTRY(drm_local_map) link;
655 } drm_local_map_t;
656
657 TAILQ_HEAD(drm_vbl_sig_list, drm_vbl_sig);
658 typedef struct drm_vbl_sig {
659 TAILQ_ENTRY(drm_vbl_sig) link;
660 unsigned int sequence;
661 int signo;
662 int pid;
663 } drm_vbl_sig_t;
664
665 /* location of GART table */
666 #define DRM_ATI_GART_MAIN 1
667 #define DRM_ATI_GART_FB 2
668
669 #define DRM_ATI_GART_PCI 1
670 #define DRM_ATI_GART_PCIE 2
671 #define DRM_ATI_GART_IGP 3
672
673 struct drm_ati_pcigart_info {
674 int gart_table_location;
675 int gart_reg_if;
676 void *addr;
677 dma_addr_t bus_addr;
678 drm_local_map_t mapping;
679 int table_size;
680 };
681
682 struct drm_driver_info {
683 int (*load)(struct drm_device *, unsigned long flags);
684 int (*firstopen)(struct drm_device *);
685 int (*open)(struct drm_device *, drm_file_t *);
686 void (*preclose)(struct drm_device *, struct drm_file *file_priv);
687 void (*postclose)(struct drm_device *, drm_file_t *);
688 void (*lastclose)(struct drm_device *);
689 int (*unload)(struct drm_device *);
690 void (*reclaim_buffers_locked)(struct drm_device *,
691 struct drm_file *file_priv);
692 int (*dma_ioctl)(drm_device_t *dev, void *data, struct drm_file *file_priv);
693 void (*dma_ready)(struct drm_device *);
694 int (*dma_quiescent)(struct drm_device *);
695 int (*dma_flush_block_and_flush)(struct drm_device *, int context,
696 drm_lock_flags_t flags);
697 int (*dma_flush_unblock)(struct drm_device *, int context,
698 drm_lock_flags_t flags);
699 int (*context_ctor)(struct drm_device *dev, int context);
700 int (*context_dtor)(struct drm_device *dev, int context);
701 int (*kernel_context_switch)(struct drm_device *dev, int old,
702 int new);
703 int (*kernel_context_switch_unlock)(struct drm_device *dev);
704 void (*irq_preinstall)(drm_device_t *dev);
705 void (*irq_postinstall)(drm_device_t *dev);
706 void (*irq_uninstall)(drm_device_t *dev);
707 void (*irq_handler)(DRM_IRQ_ARGS);
708 int (*vblank_wait)(drm_device_t *dev, unsigned int *sequence);
709 int (*vblank_wait2)(drm_device_t *dev, unsigned int *sequence);
710
711 drm_pci_id_list_t *id_entry; /* PCI ID, name, and chipset private */
712
713 /**
714 * Called by \c drm_device_is_agp. Typically used to determine if a
715 * card is really attached to AGP or not.
716 *
717 * \param dev DRM device handle
718 *
719 * \returns
720 * One of three values is returned depending on whether or not the
721 * card is absolutely \b not AGP (return of 0), absolutely \b is AGP
722 * (return of 1), or may or may not be AGP (return of 2).
723 */
724 int (*device_is_agp) (struct drm_device * dev);
725
726 drm_ioctl_desc_t *ioctls;
727 int max_ioctl;
728
729 int buf_priv_size;
730
731 int major;
732 int minor;
733 int patchlevel;
734 const char *name; /* Simple driver name */
735 const char *desc; /* Longer driver name */
736 const char *date; /* Date of last major changes. */
737
738 unsigned use_agp :1;
739 unsigned require_agp :1;
740 unsigned use_sg :1;
741 unsigned use_dma :1;
742 unsigned use_pci_dma :1;
743 unsigned use_dma_queue :1;
744 unsigned use_irq :1;
745 unsigned use_vbl_irq :1;
746 unsigned use_vbl_irq2 :1;
747 unsigned use_mtrr :1;
748 };
749
750 /* Length for the array of resource pointers for drm_get_resource_*. */
751 #define DRM_MAX_PCI_RESOURCE 3
752
753 /**
754 * DRM device functions structure
755 */
756 struct drm_device {
757 #if defined(__NetBSD__) || defined(__OpenBSD__)
758 struct device device; /* softc is an extension of struct device */
759 #endif
760
761 struct drm_driver_info driver;
762 drm_pci_id_list_t *id_entry; /* PCI ID, name, and chipset private */
763
764 u_int16_t pci_device; /* PCI device id */
765 u_int16_t pci_vendor; /* PCI vendor id */
766
767 char *unique; /* Unique identifier: e.g., busid */
768 int unique_len; /* Length of unique field */
769 #if defined(__FreeBSD__) || defined(__DragonFly__)
770 device_t device; /* Device instance from newbus */
771 #endif
772 struct cdev *devnode; /* Device number for mknod */
773 int if_version; /* Highest interface version set */
774
775 int flags; /* Flags to open(2) */
776
777 /* Locks */
778 #if defined(__FreeBSD__) && __FreeBSD_version > 500000
779 struct mtx dma_lock; /* protects dev->dma */
780 struct mtx irq_lock; /* protects irq condition checks */
781 struct mtx dev_lock; /* protects everything else */
782 #elif defined(__DragonFly__)
783 struct spinlock dma_lock; /* protects dev->dma */
784 struct lwkt_serialize irq_lock; /* protects irq condition checks */
785 struct spinlock dev_lock; /* protects everything else */
786 #endif
787 DRM_SPINTYPE drw_lock;
788
789 /* Usage Counters */
790 int open_count; /* Outstanding files open */
791 int buf_use; /* Buffers in use -- cannot alloc */
792
793 /* Performance counters */
794 unsigned long counters;
795 drm_stat_type_t types[15];
796 atomic_t counts[15];
797
798 /* Authentication */
799 drm_file_list_t files;
800 drm_magic_head_t magiclist[DRM_HASH_SIZE];
801
802 /* Linked list of mappable regions. Protected by dev_lock */
803 drm_map_list_t maplist;
804
805 drm_local_map_t **context_sareas;
806 int max_context;
807
808 drm_lock_data_t lock; /* Information on hardware lock */
809
810 /* DMA queues (contexts) */
811 drm_device_dma_t *dma; /* Optional pointer for DMA support */
812
813 /* Context support */
814 int irq; /* Interrupt used by board */
815 int irq_enabled; /* True if the irq handler is enabled */
816 #if defined(__FreeBSD__) || defined(__DragonFly__)
817 int irqrid; /* Interrupt used by board */
818 struct resource *irqr; /* Resource for interrupt used by board */
819 #elif defined(__NetBSD__) || defined(__OpenBSD__)
820 struct pci_attach_args pa;
821 #endif
822 void *irqh; /* Handle from bus_setup_intr */
823
824 /* Storage of resource pointers for drm_get_resource_* */
825 struct resource *pcir[DRM_MAX_PCI_RESOURCE];
826 int pcirid[DRM_MAX_PCI_RESOURCE];
827
828 int pci_domain;
829 int pci_bus;
830 int pci_slot;
831 int pci_func;
832
833 atomic_t context_flag; /* Context swapping flag */
834 int last_context; /* Last current context */
835 int vbl_queue; /* vbl wait channel */
836 atomic_t vbl_received;
837 atomic_t vbl_received2;
838
839 #if defined(__FreeBSD__) || defined(__DragonFly__)
840 struct sigio *buf_sigio; /* Processes waiting for SIGIO */
841 #elif defined(__NetBSD__)
842 pid_t buf_pgid;
843 #endif
844
845 /* Sysctl support */
846 struct drm_sysctl_info *sysctl;
847
848 drm_agp_head_t *agp;
849 drm_sg_mem_t *sg; /* Scatter gather memory */
850 atomic_t *ctx_bitmap;
851 void *dev_private;
852 unsigned int agp_buffer_token;
853 drm_local_map_t *agp_buffer_map;
854
855 #ifdef __FreeBSD__
856 struct unrhdr *drw_unrhdr;
857 #endif
858 /* RB tree of drawable infos */
859 RB_HEAD(drawable_tree, bsd_drm_drawable_info) drw_head;
860
861 struct task locked_task;
862 void (*locked_task_call)(drm_device_t *dev);
863 };
864
865 extern int drm_debug_flag;
866
867 /* Device setup support (drm_drv.c) */
868 #if defined(__FreeBSD__) || defined(__DragonFly__)
869 int drm_probe(device_t nbdev, drm_pci_id_list_t *idlist);
870 int drm_attach(device_t nbdev, drm_pci_id_list_t *idlist);
871 int drm_detach(device_t nbdev);
872 d_ioctl_t drm_ioctl;
873 d_open_t drm_open;
874 d_close_t drm_close;
875 d_read_t drm_read;
876 d_poll_t drm_poll;
877 d_mmap_t drm_mmap;
878 #elif defined(__NetBSD__) || defined(__OpenBSD__)
879 int drm_probe(struct pci_attach_args *pa, drm_pci_id_list_t *idlist);
880 int drm_attach(struct pci_attach_args *pa, dev_t kdev, drm_pci_id_list_t *idlist);
881 dev_type_ioctl(drm_ioctl);
882 dev_type_open(drm_open);
883 dev_type_close(drm_close);
884 dev_type_read(drm_read);
885 dev_type_poll(drm_poll);
886 dev_type_mmap(drm_mmap);
887 #endif
888 extern drm_local_map_t *drm_getsarea(drm_device_t *dev);
889
890 /* File operations helpers (drm_fops.c) */
891 #if defined(__FreeBSD__) || defined(__DragonFly__)
892 extern int drm_open_helper(struct cdev *kdev, int flags, int fmt,
893 DRM_STRUCTPROC *p, drm_device_t *dev);
894 extern drm_file_t *drm_find_file_by_proc(drm_device_t *dev,
895 DRM_STRUCTPROC *p);
896 #elif defined(__NetBSD__) || defined(__OpenBSD__)
897 extern int drm_open_helper(dev_t kdev, int flags, int fmt,
898 DRM_STRUCTPROC *p, drm_device_t *dev);
899 extern drm_file_t *drm_find_file_by_proc(drm_device_t *dev,
900 DRM_STRUCTPROC *p);
901 #endif /* __NetBSD__ || __OpenBSD__ */
902
903 /* Memory management support (drm_memory.c) */
904 void drm_mem_init(void);
905 void drm_mem_uninit(void);
906 void *drm_alloc(size_t size, int area);
907 void *drm_calloc(size_t nmemb, size_t size, int area);
908 void *drm_realloc(void *oldpt, size_t oldsize, size_t size,
909 int area);
910 void drm_free(void *pt, size_t size, int area);
911 void *drm_ioremap(drm_device_t *dev, drm_local_map_t *map);
912 void drm_ioremapfree(drm_local_map_t *map);
913 int drm_mtrr_add(unsigned long offset, size_t size, int flags);
914 int drm_mtrr_del(int handle, unsigned long offset, size_t size, int flags);
915
916 int drm_context_switch(drm_device_t *dev, int old, int new);
917 int drm_context_switch_complete(drm_device_t *dev, int new);
918
919 int drm_ctxbitmap_init(drm_device_t *dev);
920 void drm_ctxbitmap_cleanup(drm_device_t *dev);
921 void drm_ctxbitmap_free(drm_device_t *dev, int ctx_handle);
922 int drm_ctxbitmap_next(drm_device_t *dev);
923
924 /* Locking IOCTL support (drm_lock.c) */
925 int drm_lock_take(__volatile__ unsigned int *lock,
926 unsigned int context);
927 int drm_lock_transfer(drm_device_t *dev,
928 __volatile__ unsigned int *lock,
929 unsigned int context);
930 int drm_lock_free(drm_device_t *dev,
931 __volatile__ unsigned int *lock,
932 unsigned int context);
933
934 /* Buffer management support (drm_bufs.c) */
935 unsigned long drm_get_resource_start(drm_device_t *dev, unsigned int resource);
936 unsigned long drm_get_resource_len(drm_device_t *dev, unsigned int resource);
937 void drm_rmmap(drm_device_t *dev, drm_local_map_t *map);
938 int drm_order(unsigned long size);
939 int drm_addmap(drm_device_t * dev, unsigned long offset, unsigned long size,
940 drm_map_type_t type, drm_map_flags_t flags,
941 drm_local_map_t **map_ptr);
942 int drm_addbufs_pci(drm_device_t *dev, drm_buf_desc_t *request);
943 int drm_addbufs_sg(drm_device_t *dev, drm_buf_desc_t *request);
944 int drm_addbufs_agp(drm_device_t *dev, drm_buf_desc_t *request);
945
946 /* DMA support (drm_dma.c) */
947 int drm_dma_setup(drm_device_t *dev);
948 void drm_dma_takedown(drm_device_t *dev);
949 void drm_free_buffer(drm_device_t *dev, drm_buf_t *buf);
950 void drm_reclaim_buffers(drm_device_t *dev, struct drm_file *file_priv);
951 #define drm_core_reclaim_buffers drm_reclaim_buffers
952
953 /* IRQ support (drm_irq.c) */
954 int drm_irq_install(drm_device_t *dev);
955 int drm_irq_uninstall(drm_device_t *dev);
956 irqreturn_t drm_irq_handler(DRM_IRQ_ARGS);
957 void drm_driver_irq_preinstall(drm_device_t *dev);
958 void drm_driver_irq_postinstall(drm_device_t *dev);
959 void drm_driver_irq_uninstall(drm_device_t *dev);
960 int drm_vblank_wait(drm_device_t *dev, unsigned int *vbl_seq);
961 void drm_vbl_send_signals(drm_device_t *dev);
962
963 /* AGP/PCI Express/GART support (drm_agpsupport.c) */
964 int drm_device_is_agp(drm_device_t *dev);
965 int drm_device_is_pcie(drm_device_t *dev);
966 drm_agp_head_t *drm_agp_init(void);
967 int drm_agp_acquire(drm_device_t *dev);
968 int drm_agp_release(drm_device_t *dev);
969 int drm_agp_info(drm_device_t * dev, drm_agp_info_t *info);
970 int drm_agp_enable(drm_device_t *dev, drm_agp_mode_t mode);
971 void *drm_agp_allocate_memory(size_t pages, u32 type);
972 int drm_agp_free_memory(void *handle);
973 int drm_agp_bind_memory(void *handle, off_t start);
974 int drm_agp_unbind_memory(void *handle);
975 int drm_agp_alloc(drm_device_t *dev, drm_agp_buffer_t *request);
976 int drm_agp_free(drm_device_t *dev, drm_agp_buffer_t *request);
977 int drm_agp_bind(drm_device_t *dev, drm_agp_binding_t *request);
978 int drm_agp_unbind(drm_device_t *dev, drm_agp_binding_t *request);
979
980 /* Scatter Gather Support (drm_scatter.c) */
981 void drm_sg_cleanup(drm_sg_mem_t *entry);
982 int drm_sg_alloc(drm_device_t * dev, drm_scatter_gather_t * request);
983
984 #if defined(__FreeBSD__) || defined(__DragonFly__)
985 /* sysctl support (drm_sysctl.h) */
986 extern int drm_sysctl_init(drm_device_t *dev);
987 extern int drm_sysctl_cleanup(drm_device_t *dev);
988 #endif /* __FreeBSD__ || __DragonFly__ */
989
990 /* ATI PCIGART support (ati_pcigart.c) */
991 int drm_ati_pcigart_init(drm_device_t *dev,
992 struct drm_ati_pcigart_info *gart_info);
993 int drm_ati_pcigart_cleanup(drm_device_t *dev,
994 struct drm_ati_pcigart_info *gart_info);
995
996 /* Locking IOCTL support (drm_drv.c) */
997 int drm_lock(drm_device_t *dev, void *data, struct drm_file *file_priv);
998 int drm_unlock(drm_device_t *dev, void *data, struct drm_file *file_priv);
999 int drm_version(drm_device_t *dev, void *data, struct drm_file *file_priv);
1000 int drm_setversion(drm_device_t *dev, void *data, struct drm_file *file_priv);
1001
1002 /* Misc. IOCTL support (drm_ioctl.c) */
1003 int drm_irq_by_busid(drm_device_t *dev, void *data, struct drm_file *file_priv);
1004 int drm_getunique(drm_device_t *dev, void *data, struct drm_file *file_priv);
1005 int drm_setunique(drm_device_t *dev, void *data, struct drm_file *file_priv);
1006 int drm_getmap(drm_device_t *dev, void *data, struct drm_file *file_priv);
1007 int drm_getclient(drm_device_t *dev, void *data, struct drm_file *file_priv);
1008 int drm_getstats(drm_device_t *dev, void *data, struct drm_file *file_priv);
1009 int drm_noop(drm_device_t *dev, void *data, struct drm_file *file_priv);
1010
1011 /* Context IOCTL support (drm_context.c) */
1012 int drm_resctx(drm_device_t *dev, void *data, struct drm_file *file_priv);
1013 int drm_addctx(drm_device_t *dev, void *data, struct drm_file *file_priv);
1014 int drm_modctx(drm_device_t *dev, void *data, struct drm_file *file_priv);
1015 int drm_getctx(drm_device_t *dev, void *data, struct drm_file *file_priv);
1016 int drm_switchctx(drm_device_t *dev, void *data, struct drm_file *file_priv);
1017 int drm_newctx(drm_device_t *dev, void *data, struct drm_file *file_priv);
1018 int drm_rmctx(drm_device_t *dev, void *data, struct drm_file *file_priv);
1019 int drm_setsareactx(drm_device_t *dev, void *data, struct drm_file *file_priv);
1020 int drm_getsareactx(drm_device_t *dev, void *data, struct drm_file *file_priv);
1021
1022 /* Drawable IOCTL support (drm_drawable.c) */
1023 int drm_adddraw(drm_device_t *dev, void *data, struct drm_file *file_priv);
1024 int drm_rmdraw(drm_device_t *dev, void *data, struct drm_file *file_priv);
1025 int drm_update_draw(drm_device_t *dev, void *data, struct drm_file *file_priv);
1026 struct drm_drawable_info *drm_get_drawable_info(drm_device_t *dev, int handle);
1027
1028 /* Authentication IOCTL support (drm_auth.c) */
1029 int drm_getmagic(drm_device_t *dev, void *data, struct drm_file *file_priv);
1030 int drm_authmagic(drm_device_t *dev, void *data, struct drm_file *file_priv);
1031
1032 /* Buffer management support (drm_bufs.c) */
1033 int drm_addmap_ioctl(drm_device_t *dev, void *data, struct drm_file *file_priv);
1034 int drm_rmmap_ioctl(drm_device_t *dev, void *data, struct drm_file *file_priv);
1035 int drm_addbufs_ioctl(drm_device_t *dev, void *data, struct drm_file *file_priv);
1036 int drm_infobufs(drm_device_t *dev, void *data, struct drm_file *file_priv);
1037 int drm_markbufs(drm_device_t *dev, void *data, struct drm_file *file_priv);
1038 int drm_freebufs(drm_device_t *dev, void *data, struct drm_file *file_priv);
1039 int drm_mapbufs(drm_device_t *dev, void *data, struct drm_file *file_priv);
1040
1041 /* DMA support (drm_dma.c) */
1042 int drm_dma(drm_device_t *dev, void *data, struct drm_file *file_priv);
1043
1044 /* IRQ support (drm_irq.c) */
1045 int drm_control(drm_device_t *dev, void *data, struct drm_file *file_priv);
1046 int drm_wait_vblank(drm_device_t *dev, void *data, struct drm_file *file_priv);
1047 void drm_locked_tasklet(drm_device_t *dev,
1048 void (*tasklet)(drm_device_t *dev));
1049
1050 /* AGP/GART support (drm_agpsupport.c) */
1051 int drm_agp_acquire_ioctl(drm_device_t *dev, void *data, struct drm_file *file_priv);
1052 int drm_agp_release_ioctl(drm_device_t *dev, void *data, struct drm_file *file_priv);
1053 int drm_agp_enable_ioctl(drm_device_t *dev, void *data, struct drm_file *file_priv);
1054 int drm_agp_info_ioctl(drm_device_t *dev, void *data, struct drm_file *file_priv);
1055 int drm_agp_alloc_ioctl(drm_device_t *dev, void *data, struct drm_file *file_priv);
1056 int drm_agp_free_ioctl(drm_device_t *dev, void *data, struct drm_file *file_priv);
1057 int drm_agp_unbind_ioctl(drm_device_t *dev, void *data, struct drm_file *file_priv);
1058 int drm_agp_bind_ioctl(drm_device_t *dev, void *data, struct drm_file *file_priv);
1059
1060 /* Scatter Gather Support (drm_scatter.c) */
1061 int drm_sg_alloc_ioctl(drm_device_t *dev, void *data, struct drm_file *file_priv);
1062 int drm_sg_free(drm_device_t *dev, void *data, struct drm_file *file_priv);
1063
1064 /* consistent PCI memory functions (drm_pci.c) */
1065 drm_dma_handle_t *drm_pci_alloc(drm_device_t *dev, size_t size, size_t align,
1066 dma_addr_t maxaddr);
1067 void drm_pci_free(drm_device_t *dev, drm_dma_handle_t *dmah);
1068
1069 /* Inline replacements for DRM_IOREMAP macros */
1070 static __inline__ void drm_core_ioremap(struct drm_local_map *map, struct drm_device *dev)
1071 {
1072 map->handle = drm_ioremap(dev, map);
1073 }
1074 static __inline__ void drm_core_ioremapfree(struct drm_local_map *map, struct drm_device *dev)
1075 {
1076 if ( map->handle && map->size )
1077 drm_ioremapfree(map);
1078 }
1079
1080 static __inline__ struct drm_local_map *drm_core_findmap(struct drm_device *dev, unsigned long offset)
1081 {
1082 drm_local_map_t *map;
1083
1084 DRM_SPINLOCK_ASSERT(&dev->dev_lock);
1085 TAILQ_FOREACH(map, &dev->maplist, link) {
1086 if (map->offset == offset)
1087 return map;
1088 }
1089 return NULL;
1090 }
1091
1092 static __inline__ void drm_core_dropmap(struct drm_map *map)
1093 {
1094 }
1095
1096 #endif /* __KERNEL__ */
1097 #endif /* _DRM_P_H_ */
DragonFly BSD