 @@ -1,1263 +1,1260 @@
 /* drmP.h -- Private header for Direct Rendering Manager -*- linux-c -*-
  * Created: Mon Jan  4 10:05:05 1999 by faith@precisioninsight.com
  */
 /*-
  * Copyright 1999 Precision Insight, Inc., Cedar Park, Texas.
  * Copyright 2000 VA Linux Systems, Inc., Sunnyvale, California.
  * All rights reserved.
+ *
  * Permission is hereby granted, free of charge, to any person obtaining a
  * copy of this software and associated documentation files (the "Software"),
  * to deal in the Software without restriction, including without limitation
  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
  * and/or sell copies of the Software, and to permit persons to whom the
  * Software is furnished to do so, subject to the following conditions:
+ *
  * The above copyright notice and this permission notice (including the next
  * paragraph) shall be included in all copies or substantial portions of the
  * Software.
+ *
  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
  * VA LINUX SYSTEMS AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR
  * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
  * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
  * OTHER DEALINGS IN THE SOFTWARE.
+ *
  * Authors:
  *    Rickard E. (Rik) Faith <faith@valinux.com>
  *    Gareth Hughes <gareth@valinux.com>
+ *
  */
 #ifndef _DRM_P_H_
 #define _DRM_P_H_
 #if defined(_KERNEL) || defined(__KERNEL__)
 struct drm_device;
 struct drm_file;
 #if defined(__NetBSD__) && defined(_KERNEL_OPT)
 #include "opt_drm.h"
 #endif
 #include <sys/param.h>
 #include <sys/queue.h>
 #include <sys/malloc.h>
 #include <sys/kernel.h>
 #include <sys/module.h>
 #include <sys/systm.h>
 #include <sys/conf.h>
 #include <sys/stat.h>
 #if __FreeBSD_version >= 700000
 #include <sys/priv.h>
 #endif
 #include <sys/proc.h>
 #include <sys/lock.h>
 #include <sys/fcntl.h>
 #include <sys/uio.h>
 #include <sys/filio.h>
 #include <sys/sysctl.h>
 #include <sys/bus.h>
 #include <sys/signalvar.h>
 #include <sys/poll.h>
 #include <sys/tree.h>
 #ifdef  __FreeBSD__
 #include <vm/vm.h>
 #include <vm/pmap.h>
 #include <vm/vm_extern.h>
 #include <vm/vm_map.h>
 #include <vm/vm_param.h>
 #include <machine/resource.h>
 #include <machine/param.h>
 #endif
 #include <machine/pmap.h>
 #include <machine/bus.h>
 #include <machine/specialreg.h>
 #include <machine/sysarch.h>
 #include <sys/endian.h>
 #include <sys/mman.h>
 #if defined( __FreeBSD__)
 #include <sys/rman.h>
 #include <sys/memrange.h>
 #if __FreeBSD_version >= 800004
 #include <dev/agp/agpvar.h>
 #else /* __FreeBSD_version >= 800004 */
 #include <pci/agpvar.h>
 #endif /* __FreeBSD_version >= 800004 */
 #include <sys/agpio.h>
 #include <sys/mutex.h>
 #include <dev/pci/pcivar.h>
 #include <dev/pci/pcireg.h>
 #include <sys/selinfo.h>
 #include <sys/bus.h>
 #elif   defined(__NetBSD__)
 #include <machine/mtrr.h>
 #include <sys/vnode.h>
 #include <sys/select.h>
 #include <sys/device.h>
 #include <sys/resourcevar.h>
 #include <sys/agpio.h>
 #include <sys/ttycom.h>
 #include <sys/mman.h>
 #include <sys/kauth.h>
 #include <sys/types.h>
 #include <sys/file.h>
 #include <sys/atomic.h>
 #include <sys/workqueue.h>
 #include <uvm/uvm.h>
 #include <dev/pci/pcireg.h>
 #include <dev/pci/pcivar.h>
 #include <dev/pci/agpvar.h>
 #endif
 #include "drm.h"
 #include "drm_linux_list.h"
 #include "drm_atomic.h"
 #include "drm_internal.h"
 #ifdef  __FreeBSD__
 #include <opt_drm.h>
 #endif
 #ifdef DRM_DEBUG
 #undef DRM_DEBUG
 #define DRM_DEBUG_DEFAULT_ON 1
 #endif /* DRM_DEBUG */
 #ifdef  __FreeBSD__
 #define DRM_KASSERT(x,y)    KASSERT(x,y)
 #else
 #define DRM_KASSERT(x,y)    KASSERT(x)
 #define device_get_softc(x)	device_private(x)
 #define callout_deactivate(x)	callout_stop(x)
 #define callout_drain(x)	callout_stop(x)
 #endif
 #if defined(DRM_LINUX) && DRM_LINUX && !defined(__amd64__)
 #include <sys/file.h>
 #include <sys/proc.h>
 #include <machine/../linux/linux.h>
 #include <machine/../linux/linux_proto.h>
 #else
 /* Either it was defined when it shouldn't be (FreeBSD amd64) or it isn't
  * supported on this OS yet.
  */
 #undef DRM_LINUX
 #define DRM_LINUX 0
 #endif
 /* driver capabilities and requirements mask */
 #define DRIVER_USE_AGP     0x1
 #define DRIVER_REQUIRE_AGP 0x2
 #define DRIVER_USE_MTRR    0x4
 #define DRIVER_PCI_DMA     0x8
 #define DRIVER_SG          0x10
 #define DRIVER_HAVE_DMA    0x20
 #define DRIVER_HAVE_IRQ    0x40
 #define DRIVER_DMA_QUEUE   0x100
 #define DRM_HASH_SIZE	      16 /* Size of key hash table		  */
 #define DRM_KERNEL_CONTEXT    0	 /* Change drm_resctx if changed	  */
 #define DRM_RESERVED_CONTEXTS 1	 /* Change drm_resctx if changed	  */
 MALLOC_DECLARE(DRM_MEM_DMA);
 MALLOC_DECLARE(DRM_MEM_SAREA);
 MALLOC_DECLARE(DRM_MEM_DRIVER);
 MALLOC_DECLARE(DRM_MEM_MAGIC);
 MALLOC_DECLARE(DRM_MEM_IOCTLS);
 MALLOC_DECLARE(DRM_MEM_MAPS);
 MALLOC_DECLARE(DRM_MEM_BUFS);
 MALLOC_DECLARE(DRM_MEM_SEGS);
 MALLOC_DECLARE(DRM_MEM_PAGES);
 MALLOC_DECLARE(DRM_MEM_FILES);
 MALLOC_DECLARE(DRM_MEM_QUEUES);
 MALLOC_DECLARE(DRM_MEM_CMDS);
 MALLOC_DECLARE(DRM_MEM_MAPPINGS);
 MALLOC_DECLARE(DRM_MEM_BUFLISTS);
 MALLOC_DECLARE(DRM_MEM_AGPLISTS);
 MALLOC_DECLARE(DRM_MEM_CTXBITMAP);
 MALLOC_DECLARE(DRM_MEM_SGLISTS);
 MALLOC_DECLARE(DRM_MEM_DRAWABLE);
 #define DRM_MAX_CTXBITMAP (PAGE_SIZE * 8)
 				/* Internal types and structures */
 #define DRM_ARRAY_SIZE(x) (sizeof(x)/sizeof(x[0]))
 #define DRM_MIN(a,b) ((a)<(b)?(a):(b))
 #define DRM_MAX(a,b) ((a)>(b)?(a):(b))
 #define DRM_IF_VERSION(maj, min) (maj << 16 | min)
 #define __OS_HAS_AGP	1
 #define DRM_DEV_MODE	(S_IRUSR|S_IWUSR|S_IRGRP|S_IWGRP)
 #define DRM_DEV_UID	0
 #define DRM_DEV_GID	0
 #define wait_queue_head_t	atomic_t
 #define DRM_WAKEUP(w)		wakeup((void *)w)
 #define DRM_WAKEUP_INT(w)	wakeup(w)
 #define DRM_INIT_WAITQUEUE(queue) do {(void)(queue);} while (0)
 #if defined(__FreeBSD__)
 #define DRM_CDEV    struct cdev *
 #define DRM_CURPROC		curthread
 #define DRM_STRUCTPROC		struct thread
 #define DRM_STRUCTCDEVPROC	struct thread
 #define DRM_CDEVPROC_REAL(p)	(p)
 #define DRM_IOCTL_DATA  caddr_t
 #define DRM_SPINTYPE		struct mtx
 #define DRM_SPININIT(l,name)	mtx_init(l, name, NULL, MTX_DEF)
 #define DRM_SPINUNINIT(l)	mtx_destroy(l)
 #define DRM_SPINLOCK(l)		mtx_lock(l)
 #define DRM_SPINUNLOCK(u)	mtx_unlock(u)
 #define DRM_SPINLOCK_IRQSAVE(l, irqflags) do {		\
 	mtx_lock(l);					\
 	(void)irqflags;					\
 } while (0)
 #define DRM_SPINUNLOCK_IRQRESTORE(u, irqflags) mtx_unlock(u)
 #define DRM_SPINLOCK_ASSERT(l)	mtx_assert(l, MA_OWNED)
 #define DRM_CURRENTPID		curthread->td_proc->p_pid
 #define DRM_LOCK()		mtx_lock(&dev->dev_lock)
 #define DRM_UNLOCK() 		mtx_unlock(&dev->dev_lock)
 #define DRM_SYSCTL_HANDLER_ARGS	(SYSCTL_HANDLER_ARGS)
 #elif   defined(__NetBSD__)
 #define DRM_CDEV    dev_t
 #define DRM_CURPROC     curproc
 #define DRM_STRUCTPROC  struct proc
 #define DRM_STRUCTCDEVPROC	struct lwp
 #define DRM_CDEVPROC_REAL(l)	(l)->l_proc
 #define DRM_IOCTL_DATA		void *
 #define DRM_SPINTYPE		kmutex_t
 #define DRM_SPININIT(l,name)	mutex_init(l, MUTEX_DEFAULT, /*IPL_NONE*/ IPL_VM)
 #define DRM_SPINUNINIT(l)	mutex_destroy(l)
 #define DRM_SPINLOCK(l)		mutex_enter(l)
 #define DRM_SPINUNLOCK(u)	mutex_exit(u)
 #define DRM_SPINLOCK_IRQSAVE(l, irqflags) do {		\
 	mutex_enter(l);					\
 	(void)irqflags;					\
 } while (0)
 #define DRM_SPINUNLOCK_IRQRESTORE(u, irqflags) mutex_exit(u)
 #define DRM_SPINLOCK_ASSERT(l)	mutex_owned(l)
 #define DRM_CURRENTPID		curproc->p_pid
 #define DRM_LOCK()		DRM_SPINLOCK(&dev->dev_lock)
 #define DRM_UNLOCK() 		DRM_SPINUNLOCK(&dev->dev_lock)
 #define DRM_SYSCTL_HANDLER_ARGS	(SYSCTLFN_ARGS)
 #define vslock(addr, len)   uvm_vslock(curproc->p_vmspace, addr, len, VM_PROT_READ | VM_PROT_WRITE)
 #define vsunlock(addr, len) uvm_vsunlock(curproc->p_vmspace, addr, len)
 #endif
 #define DRM_IRQ_ARGS		void *arg
 #if defined(__FreeBSD__)
 typedef void			irqreturn_t;
 #define IRQ_HANDLED		/* nothing */
 #define IRQ_NONE		/* nothing */
 #elif   defined(__NetBSD__)
 typedef int			irqreturn_t;
 #define IRQ_HANDLED		1
 #define IRQ_NONE		0
 #endif
 enum {
 	DRM_IS_NOT_AGP,
 	DRM_IS_AGP,
 	DRM_MIGHT_BE_AGP
 };
 #define DRM_AGP_MEM		struct agp_memory_info
 #if defined(__FreeBSD__)
 #define drm_get_device_from_kdev(_kdev) (_kdev->si_drv1)
 #elif   defined(__NetBSD__)
 #define drm_get_device_from_kdev(_kdev) ((minor(_kdev) < DRM_MAXUNITS) ? \
 	drm_units[minor(_kdev)] : NULL)
 #endif
 #if defined(__FreeBSD__)
 #define PAGE_ALIGN(addr) round_page(addr)
 /* DRM_SUSER returns true if the user is superuser */
 #if __FreeBSD_version >= 700000
 #define DRM_SUSER(p)		(priv_check(p, PRIV_DRIVER) == 0)
 #else
 #define DRM_SUSER(p)		(suser(p) == 0)
 #endif
 #define DRM_AGP_FIND_DEVICE()	agp_find_device()
 #define DRM_MTRR_WC		MDF_WRITECOMBINE
 #define jiffies			ticks
 #elif   defined(__NetBSD__)
 #define PAGE_ALIGN(addr)    ALIGN(addr)
 #define DRM_SUSER(p)    (kauth_cred_getsvuid((p)->p_cred) == 0)
 #define DRM_AGP_FIND_DEVICE()	agp_find_device(0)
 #define DRM_MTRR_WC		MTRR_TYPE_WC
 #define jiffies			hardclock_ticks
 #define DRM_MAXUNITS    128
 extern struct drm_device *drm_units[];
 #endif
 /* Capabilities taken from src/sys/dev/pci/pcireg.h. */
 #ifndef PCIY_AGP
 #define PCIY_AGP	0x02
 #endif
 #ifndef PCIY_EXPRESS
 #define PCIY_EXPRESS	0x10
 #endif
 typedef unsigned long dma_addr_t;
 #if defined(__FreeBSD__)
 typedef u_int64_t u64;
 typedef u_int32_t u32;
 typedef u_int16_t u16;
 typedef u_int8_t u8;
 #else
 typedef uint64_t u64;
 typedef uint32_t u32;
 typedef uint16_t u16;
 typedef uint8_t u8;
 #endif
 /* DRM_READMEMORYBARRIER() prevents reordering of reads.
  * DRM_WRITEMEMORYBARRIER() prevents reordering of writes.
  * DRM_MEMORYBARRIER() prevents reordering of reads and writes.
  */
 #if defined(__NetBSD__)
 #define DRM_READMEMORYBARRIER()		membar_consumer()
 #define DRM_WRITEMEMORYBARRIER()	membar_producer()
 #define DRM_MEMORYBARRIER()		membar_sync()
 #elif defined(__i386__)
 #define DRM_READMEMORYBARRIER()		__asm __volatile( \
 					"lock; addl $0,0(%%esp)" : : : "memory");
 #define DRM_WRITEMEMORYBARRIER()	__asm __volatile("" : : : "memory");
 #define DRM_MEMORYBARRIER()		__asm __volatile( \
 					"lock; addl $0,0(%%esp)" : : : "memory");
 #elif defined(__alpha__)
 #define DRM_READMEMORYBARRIER()		alpha_mb();
 #define DRM_WRITEMEMORYBARRIER()	alpha_wmb();
 #define DRM_MEMORYBARRIER()		alpha_mb();
 #elif defined(__amd64__)
 #define DRM_READMEMORYBARRIER()		__asm __volatile( \
 					"lock; addl $0,0(%%rsp)" : : : "memory");
 #define DRM_WRITEMEMORYBARRIER()	__asm __volatile("" : : : "memory");
 #define DRM_MEMORYBARRIER()		__asm __volatile( \
 					"lock; addl $0,0(%%rsp)" : : : "memory");
 #endif
 #if defined(__FreeBSD__)
 #define DRM_READ8(map, offset)						\
 	*(volatile u_int8_t *)(((vm_offset_t)(map)->handle) +		\
 	    (vm_offset_t)(offset))
 #define DRM_READ16(map, offset)						\
 	*(volatile u_int16_t *)(((vm_offset_t)(map)->handle) +		\
 	    (vm_offset_t)(offset))
 #define DRM_READ32(map, offset)						\
 	*(volatile u_int32_t *)(((vm_offset_t)(map)->handle) +		\
 	    (vm_offset_t)(offset))
 #define DRM_WRITE8(map, offset, val)					\
 	*(volatile u_int8_t *)(((vm_offset_t)(map)->handle) +		\
 	    (vm_offset_t)(offset)) = val
 #define DRM_WRITE16(map, offset, val)					\
 	*(volatile u_int16_t *)(((vm_offset_t)(map)->handle) +		\
 	    (vm_offset_t)(offset)) = val
 #define DRM_WRITE32(map, offset, val)					\
 	*(volatile u_int32_t *)(((vm_offset_t)(map)->handle) +		\
 	    (vm_offset_t)(offset)) = val
 #define DRM_VERIFYAREA_READ( uaddr, size )		\
 	(!useracc(__DECONST(caddr_t, uaddr), size, VM_PROT_READ))
 #elif   defined(__NetBSD__)
 typedef vaddr_t vm_offset_t;
 #define DRM_READ8(map, offset)		\
 	bus_space_read_1( (map)->bst, (map)->bsh, (offset))
 #define DRM_READ16(map, offset)		\
 	bus_space_read_2( (map)->bst, (map)->bsh, (offset))
 #define DRM_READ32(map, offset)		\
 	bus_space_read_4( (map)->bst, (map)->bsh, (offset))
 #define DRM_WRITE8(map, offset, val)	\
 	bus_space_write_1((map)->bst, (map)->bsh, (offset), (val))
 #define DRM_WRITE16(map, offset, val)	\
 	bus_space_write_2((map)->bst, (map)->bsh, (offset), (val))
 #define DRM_WRITE32(map, offset, val)	\
 	bus_space_write_4((map)->bst, (map)->bsh, (offset), (val))
 #define DRM_VERIFYAREA_READ( uaddr, size )		\
 	(!uvm_map_checkprot(&(curproc->p_vmspace->vm_map),              \
 		(vaddr_t)uaddr, (vaddr_t)uaddr+size, UVM_PROT_READ))
 #endif
 #define DRM_COPY_TO_USER(user, kern, size) \
 	copyout(kern, user, size)
 #define DRM_COPY_FROM_USER(kern, user, size) \
 	copyin(user, kern, size)
 #define DRM_COPY_FROM_USER_UNCHECKED(arg1, arg2, arg3) 	\
 	copyin(arg2, arg1, arg3)
 #define DRM_COPY_TO_USER_UNCHECKED(arg1, arg2, arg3)	\
 	copyout(arg2, arg1, arg3)
 #if defined(__FreeBSD__)
 #define DRM_GET_USER_UNCHECKED(val, uaddr)		\
 	((val) = fuword32(uaddr), 0)
 #else
 #define DRM_GET_USER_UNCHECKED(val, uaddr)		\
 	((val) = fuword(uaddr), 0)
 #endif
 #define cpu_to_le32(x) htole32(x)
 #define le32_to_cpu(x) le32toh(x)
 #define DRM_HZ			hz
 #define DRM_UDELAY(udelay)	DELAY(udelay)
 #define DRM_TIME_SLICE		(hz/20)  /* Time slice for GLXContexts	  */
 #define DRM_GET_PRIV_SAREA(_dev, _ctx, _map) do {	\
 	(_map) = (_dev)->context_sareas[_ctx];		\
 } while(0)
 #define LOCK_TEST_WITH_RETURN(dev, file_priv)				\
 do {									\
 	if (!_DRM_LOCK_IS_HELD(dev->lock.hw_lock->lock) ||		\
 	     dev->lock.file_priv != file_priv) {			\
 		DRM_ERROR("%s called without lock held\n",		\
 			   __FUNCTION__);				\
 		return EINVAL;						\
 	}								\
 } while (0)
 /* Returns -errno to shared code */
 #if defined(__FreeBSD__)
 #define DRM_WAIT_ON( ret, queue, timeout, condition )		\
 for ( ret = 0 ; !ret && !(condition) ; ) {			\
 	DRM_UNLOCK();						\
 	mtx_lock(&dev->irq_lock);				\
 	if (!(condition))					\
 	    ret = -mtx_sleep(&(queue), &dev->irq_lock, 		\
 		PCATCH, "drmwtq", (timeout));			\
 	mtx_unlock(&dev->irq_lock);				\
 	DRM_LOCK();						\
+}
 #elif   defined(__NetBSD__)
 /* Returns -errno to shared code */
 #define DRM_WAIT_ON( ret, queue, timeout, condition )		\
 for ( ret = 0 ; !ret && !(condition) ; ) {			\
 	DRM_UNLOCK();						\
 	mutex_enter(&dev->irq_lock);				\
 	if (!(condition))					\
 	   ret = -mtsleep(&(queue), PCATCH, 		\
 			 "drmwtq", (timeout), &dev->irq_lock);	\
 	mutex_exit(&dev->irq_lock);				\
 	DRM_LOCK();						\
+}
 #endif
 #define DRM_ERROR(fmt, ...) \
 	printf("error: [" DRM_NAME ":pid%d:%s] *ERROR* " fmt,		\
 	    DRM_CURRENTPID, __func__ , ##__VA_ARGS__)
 #define DRM_INFO(fmt, ...)  printf("info: [" DRM_NAME "] " fmt , ##__VA_ARGS__)
 #define DRM_DEBUG(fmt, ...) do {					\
 	if (drm_debug_flag)						\
 		printf("[" DRM_NAME ":pid%d:%s] " fmt, DRM_CURRENTPID,	\
 			__func__ , ##__VA_ARGS__);			\
 } while (0)
 typedef struct drm_pci_id_list
+{
 	int vendor;
 	int device;
 	long driver_private;
 #if defined(__NetBSD__)
 	const char *name;
 #else
 	char *name;
 #endif
 } drm_pci_id_list_t;
 struct drm_msi_blacklist_entry
+{
 	int vendor;
 	int device;
 };
 #define DRM_AUTH	0x1
 #define DRM_MASTER	0x2
 #define DRM_ROOT_ONLY	0x4
 typedef struct drm_ioctl_desc {
 	unsigned long cmd;
 	int (*func)(struct drm_device *dev, void *data,
 		    struct drm_file *file_priv);
 	int flags;
 } drm_ioctl_desc_t;
 /**
  * Creates a driver or general drm_ioctl_desc array entry for the given
  * ioctl, for use by drm_ioctl().
  */
 #define DRM_IOCTL_DEF(ioctl, func, flags) \
 	[DRM_IOCTL_NR(ioctl)] = {ioctl, func, flags}
 typedef struct drm_magic_entry {
 	drm_magic_t	       magic;
 	struct drm_file	       *priv;
 	struct drm_magic_entry *next;
 } drm_magic_entry_t;
 typedef struct drm_magic_head {
 	struct drm_magic_entry *head;
 	struct drm_magic_entry *tail;
 } drm_magic_head_t;
 typedef struct drm_buf {
 	int		  idx;	       /* Index into master buflist	     */
 	int		  total;       /* Buffer size			     */
 	int		  order;       /* log-base-2(total)		     */
 	int		  used;	       /* Amount of buffer in use (for DMA)  */
 	unsigned long	  offset;      /* Byte offset (used internally)	     */
 	void		  *address;    /* Address of buffer		     */
 	unsigned long	  bus_address; /* Bus address of buffer		     */
 	struct drm_buf	  *next;       /* Kernel-only: used for free list    */
 	__volatile__ int  pending;     /* On hardware DMA queue		     */
 	struct drm_file   *file_priv;  /* Unique identifier of holding process */
 	int		  context;     /* Kernel queue for this buffer	     */
 	enum {
 		DRM_LIST_NONE	 = 0,
 		DRM_LIST_FREE	 = 1,
 		DRM_LIST_WAIT	 = 2,
 		DRM_LIST_PEND	 = 3,
 		DRM_LIST_PRIO	 = 4,
 		DRM_LIST_RECLAIM = 5
 	}		  list;	       /* Which list we're on		     */
 	int		  dev_priv_size; /* Size of buffer private stoarge   */
 	void		  *dev_private;  /* Per-buffer private storage       */
 } drm_buf_t;
 typedef struct drm_freelist {
 	int		  initialized; /* Freelist in use		   */
 	atomic_t	  count;       /* Number of free buffers	   */
 	drm_buf_t	  *next;       /* End pointer			   */
 	int		  low_mark;    /* Low water mark		   */
 	int		  high_mark;   /* High water mark		   */
 } drm_freelist_t;
 typedef struct drm_dma_handle {
 	void *vaddr;
 	bus_addr_t busaddr;
 	bus_dma_tag_t tag;
 	bus_dmamap_t map;
 #if defined(__NetBSD__)
 	size_t size;
 	size_t nsegs;
 	bus_dma_segment_t segs[1];
 #endif
 } drm_dma_handle_t;
 typedef struct drm_buf_entry {
 	int		  buf_size;
 	int		  buf_count;
 	drm_buf_t	  *buflist;
 	int		  seg_count;
 	drm_dma_handle_t  **seglist;
 	int		  page_order;
 	drm_freelist_t	  freelist;
 } drm_buf_entry_t;
 typedef TAILQ_HEAD(drm_file_list, drm_file) drm_file_list_t;
 struct drm_file {
 	TAILQ_ENTRY(drm_file) link;
 	struct drm_device *dev;
 	int		  authenticated;
 	int		  master;
 	int		  minor;
 	pid_t		  pid;
 	uid_t		  uid;
 #if defined(__NetBSD__)
 	int refs;
 #endif
 	drm_magic_t	  magic;
 	unsigned long	  ioctl_count;
 	void		 *driver_priv;
 };
 typedef struct drm_lock_data {
 	struct drm_hw_lock	*hw_lock;	/* Hardware lock		   */
 	struct drm_file   *file_priv;   /* Unique identifier of holding process (NULL is kernel)*/
 	int		  lock_queue;	/* Queue of blocked processes	   */
 	unsigned long	  lock_time;	/* Time of last lock in jiffies	   */
 } drm_lock_data_t;
 /* This structure, in the struct drm_device, is always initialized while the
  * device
  * is open.  dev->dma_lock protects the incrementing of dev->buf_use, which
  * when set marks that no further bufs may be allocated until device teardown
  * occurs (when the last open of the device has closed).  The high/low
  * watermarks of bufs are only touched by the X Server, and thus not
  * concurrently accessed, so no locking is needed.
  */
 typedef struct drm_device_dma {
 	drm_buf_entry_t	  bufs[DRM_MAX_ORDER+1];
 	int		  buf_count;
 	drm_buf_t	  **buflist;	/* Vector of pointers info bufs	   */
 	int		  seg_count;
 	int		  page_count;
 	unsigned long	  *pagelist;
 	unsigned long	  byte_count;
 	enum {
 		_DRM_DMA_USE_AGP = 0x01,
 		_DRM_DMA_USE_SG  = 0x02
 	} flags;
 } drm_device_dma_t;
 typedef struct drm_agp_mem {
 	void               *handle;
 	unsigned long      bound; /* address */
 	int                pages;
 	struct drm_agp_mem *prev;
 	struct drm_agp_mem *next;
 } drm_agp_mem_t;
 typedef struct drm_agp_head {
 	device_t	   agpdev;
 	struct agp_info    info;
 	const char         *chipset;
 	drm_agp_mem_t      *memory;
 	unsigned long      mode;
 	int                enabled;
 	int                acquired;
 	unsigned long      base;
    	int 		   mtrr;
 	int		   cant_use_aperture;
 	unsigned long	   page_mask;
 } drm_agp_head_t;
 typedef struct drm_sg_mem {
 	unsigned long		  handle;
 	void			 *virtual;
 	int			  pages;
 	dma_addr_t		 *busaddr;
 	struct drm_dma_handle	 *sg_dmah;	/* Handle for sg_pages   */
 	struct drm_dma_handle	 *dmah;		/* Handle to PCI memory  */
 						/* for ATI PCIGART table */
 } drm_sg_mem_t;
 typedef TAILQ_HEAD(drm_map_list, drm_local_map) drm_map_list_t;
 typedef struct drm_local_map {
 	unsigned long	offset;	 /* Physical address (0 for SAREA)*/
 	unsigned long	size;	 /* Physical size (bytes)	    */
 	enum drm_map_type	type;	 /* Type of memory mapped		    */
 	enum drm_map_flags	flags;	 /* Flags				    */
 	void		*handle; /* User-space: "Handle" to pass to mmap    */
 				 /* Kernel-space: kernel-virtual address    */
 	int		mtrr;	 /* Boolean: MTRR used */
 				 /* Private data			    */
 	int		rid;	 /* PCI resource ID for bus_space */
 #if defined(__FreeBSD__)
 	struct resource *bsr;
 #endif
 	bus_space_tag_t bst;
 	bus_space_handle_t bsh;
 	drm_dma_handle_t *dmah;
 #if defined(__NetBSD__)
 	int *cnt;
 	bus_size_t mapsize;
 #endif
 	TAILQ_ENTRY(drm_local_map) link;
 } drm_local_map_t;
 TAILQ_HEAD(drm_vbl_sig_list, drm_vbl_sig);
 typedef struct drm_vbl_sig {
 	TAILQ_ENTRY(drm_vbl_sig) link;
 	unsigned int	sequence;
 	int		signo;
 	int		pid;
 } drm_vbl_sig_t;
 struct drm_vblank_info {
 	wait_queue_head_t queue;	/* vblank wait queue */
 	atomic_t count;			/* number of VBLANK interrupts */
 					/* (driver must alloc the right number of counters) */
 	struct drm_vbl_sig_list sigs;	/* signal list to send on VBLANK */
 	atomic_t refcount;		/* number of users of vblank interrupts */
 	u32 last;			/* protected by dev->vbl_lock, used */
 					/* for wraparound handling */
 	int enabled;			/* so we don't call enable more than */
 					/* once per disable */
 	int inmodeset;			/* Display driver is setting mode */
 };
 /* location of GART table */
 #define DRM_ATI_GART_MAIN 1
 #define DRM_ATI_GART_FB   2
 #define DRM_ATI_GART_PCI  1
 #define DRM_ATI_GART_PCIE 2
 #define DRM_ATI_GART_IGP  3
 struct drm_ati_pcigart_info {
 	int gart_table_location;
 	int gart_reg_if;
 	void *addr;
 	dma_addr_t bus_addr;
 	dma_addr_t table_mask;
 	dma_addr_t member_mask;
 	struct drm_dma_handle *table_handle;
 	drm_local_map_t mapping;
 	int table_size;
 };
 #ifndef DMA_BIT_MASK
 #define DMA_BIT_MASK(n) (((n) == 64) ? ~0ULL : (1ULL<<(n)) - 1)
 #endif
 #define upper_32_bits(n) ((u32)(((n) >> 16) >> 16))
 struct drm_driver_info {
 	int	(*load)(struct drm_device *, unsigned long flags);
 	int	(*firstopen)(struct drm_device *);
 	int	(*open)(struct drm_device *, struct drm_file *);
 	void	(*preclose)(struct drm_device *, struct drm_file *file_priv);
 	void	(*postclose)(struct drm_device *, struct drm_file *);
 	void	(*lastclose)(struct drm_device *);
 	int	(*unload)(struct drm_device *);
 	void	(*reclaim_buffers_locked)(struct drm_device *,
 					  struct drm_file *file_priv);
 	int	(*dma_ioctl)(struct drm_device *dev, void *data,
 			     struct drm_file *file_priv);
 	void	(*dma_ready)(struct drm_device *);
 	int	(*dma_quiescent)(struct drm_device *);
 	int	(*dma_flush_block_and_flush)(struct drm_device *, int context,
 					     enum drm_lock_flags flags);
 	int	(*dma_flush_unblock)(struct drm_device *, int context,
 				     enum drm_lock_flags flags);
 	int	(*context_ctor)(struct drm_device *dev, int context);
 	int	(*context_dtor)(struct drm_device *dev, int context);
 	int	(*kernel_context_switch)(struct drm_device *dev, int old,
 					 int new);
 	int	(*kernel_context_switch_unlock)(struct drm_device *dev);
 	void	(*irq_preinstall)(struct drm_device *dev);
 	int	(*irq_postinstall)(struct drm_device *dev);
 	void	(*irq_uninstall)(struct drm_device *dev);
 	irqreturn_t	(*irq_handler)(DRM_IRQ_ARGS);
 	u32	(*get_vblank_counter)(struct drm_device *dev, int crtc);
 	int	(*enable_vblank)(struct drm_device *dev, int crtc);
 	void	(*disable_vblank)(struct drm_device *dev, int crtc);
 	drm_pci_id_list_t *id_entry;	/* PCI ID, name, and chipset private */
 	/**
 	 * Called by \c drm_device_is_agp.  Typically used to determine if a
 	 * card is really attached to AGP or not.
+	 *
 	 * \param dev  DRM device handle
+	 *
 	 * \returns
 	 * One of three values is returned depending on whether or not the
 	 * card is absolutely \b not AGP (return of 0), absolutely \b is AGP
 	 * (return of 1), or may or may not be AGP (return of 2).
 	 */
 	int	(*device_is_agp) (struct drm_device * dev);
 	drm_ioctl_desc_t *ioctls;
 	int	max_ioctl;
 	int	buf_priv_size;
 	int	major;
 	int	minor;
 	int	patchlevel;
 	const char *name;		/* Simple driver name		   */
 	const char *desc;		/* Longer driver name		   */
 	const char *date;		/* Date of last major changes.	   */
 	u32 driver_features;
 };
 /* Length for the array of resource pointers for drm_get_resource_*. */
 #define DRM_MAX_PCI_RESOURCE	6
 #if defined(__NetBSD__)
 typedef struct {
 	int			mapped;
 	int			maptype;
 	bus_addr_t		base;
 	bus_size_t		size;
 	bus_space_handle_t	bsh;
 	int			flags;
 	void *			vaddr;
 } pci_map_data_t;
 #endif
 /**
  * DRM device functions structure
  */
 struct drm_device {
 	struct drm_driver_info *driver;
 	drm_pci_id_list_t *id_entry;	/* PCI ID, name, and chipset private */
 	u_int16_t pci_device;		/* PCI device id */
 	u_int16_t pci_vendor;		/* PCI vendor id */
 	char		  *unique;	/* Unique identifier: e.g., busid  */
 	int		  unique_len;	/* Length of unique field	   */
 	device_t	  device;	/* Device instance from newbus     */
 #if defined(__FreeBSD__)
 	struct cdev	  *devnode;	/* Device number for mknod	   */
 #endif
 	int		  if_version;	/* Highest interface version set */
 	int		  flags;	/* Flags to open(2)		   */
 				/* Locks */
 	DRM_SPINTYPE	  vbl_lock;	/* protects vblank operations */
 	DRM_SPINTYPE	  dma_lock;	/* protects dev->dma */
 	DRM_SPINTYPE	  irq_lock;	/* protects irq condition checks */
 	DRM_SPINTYPE	  dev_lock;	/* protects everything else */
 	DRM_SPINTYPE	  drw_lock;
 				/* Usage Counters */
 	int		  open_count;	/* Outstanding files open	   */
 	int		  buf_use;	/* Buffers in use -- cannot alloc  */
 				/* Performance counters */
 	unsigned long     counters;
 	enum drm_stat_type	types[15];
 	atomic_t          counts[15];
 				/* Authentication */
 	drm_file_list_t   files;
 	drm_magic_head_t  magiclist[DRM_HASH_SIZE];
 	/* Linked list of mappable regions. Protected by dev_lock */
 	drm_map_list_t	  maplist;
 	drm_local_map_t	  **context_sareas;
 	int		  max_context;
 	drm_lock_data_t	  lock;		/* Information on hardware lock	   */
 				/* DMA queues (contexts) */
 	drm_device_dma_t  *dma;		/* Optional pointer for DMA support */
 				/* Context support */
 	int		  irq;		/* Interrupt used by board	   */
 	int		  irq_enabled;	/* True if the irq handler is enabled */
 	int		  msi_enabled;	/* MSI enabled */
 #if defined(__FreeBSD__)
 	int		  irqrid;	/* Interrupt used by board */
 	struct resource   *irqr;	/* Resource for interrupt used by board	   */
 	/* Storage of resource pointers for drm_get_resource_* */
 	struct resource   *pcir[DRM_MAX_PCI_RESOURCE];
 	int		  pcirid[DRM_MAX_PCI_RESOURCE];
 #elif   defined(__NetBSD__)
 	struct pci_attach_args  pa;
 	pci_map_data_t	  pci_map_data[DRM_MAX_PCI_RESOURCE];
 	pci_map_data_t	  agp_map_data[DRM_MAX_PCI_RESOURCE];
 	dev_t	  kdev;
 #endif
 	void		  *irqh;	/* Handle from bus_setup_intr      */
 	int		  pci_domain;
 	int		  pci_bus;
 	int		  pci_slot;
 	int		  pci_func;
 	atomic_t	  context_flag;	/* Context swapping flag	   */
 	int		  last_context;	/* Last current context		   */
 	int		  vblank_disable_allowed;
 	atomic_t 	  vbl_signal_pending;	/* number of signals pending on all crtcs */
 	struct callout	  vblank_disable_timer;
 	u32		  max_vblank_count;	/* size of vblank counter register */
 	struct drm_vblank_info *vblank;		/* per crtc vblank info */
 	int		  num_crtcs;
 #if defined(__FreeBSD__)
 	struct sigio      *buf_sigio;	/* Processes waiting for SIGIO     */
 #elif   defined(__NetBSD__)
 	pid_t   buf_pgid;
 #endif
 				/* Sysctl support */
 	struct drm_sysctl_info *sysctl;
 	drm_agp_head_t    *agp;
 	drm_sg_mem_t      *sg;  /* Scatter gather memory */
 	atomic_t          *ctx_bitmap;
 	void		  *dev_private;
 	unsigned int	  agp_buffer_token;
 	drm_local_map_t   *agp_buffer_map;
 #if defined(__FreeBSD__)
 	struct unrhdr	  *drw_unrhdr;
 #elif   defined(__NetBSD__)
 	int drw_no;
 #endif
 	/* RB tree of drawable infos */
 	RB_HEAD(drawable_tree, bsd_drm_drawable_info) drw_head;
 };
 static __inline__ int drm_core_check_feature(struct drm_device *dev,
 					     int feature)
+{
 	return ((dev->driver->driver_features & feature) ? 1 : 0);
+}
 #if __OS_HAS_AGP
 static inline int drm_core_has_AGP(struct drm_device *dev)
+{
 	return drm_core_check_feature(dev, DRIVER_USE_AGP);
+}
 #else
 #define drm_core_has_AGP(dev) (0)
 #endif
 extern int	drm_debug_flag;
 /* Device setup support (drm_drv.c) */
 #if defined(__FreeBSD__)
 int	drm_probe(device_t kdev, drm_pci_id_list_t *idlist);
 int	drm_attach(device_t kdev, drm_pci_id_list_t *idlist);
 void	drm_close(void *data);
 int	drm_detach(device_t kdev);
 d_ioctl_t drm_ioctl;
 d_open_t drm_open;
 d_read_t drm_read;
 d_poll_t drm_poll;
 d_mmap_t drm_mmap;
 #elif   defined(__NetBSD__)
 int	drm_probe(struct pci_attach_args *pa, drm_pci_id_list_t *idlist);
 void	drm_attach(device_t kdev, struct pci_attach_args *pa, drm_pci_id_list_t *idlist);
 int     drm_detach(device_t self, int flags);
 int     drm_activate(device_t self, devact_t act);
 dev_type_ioctl(drm_ioctl);
 dev_type_open(drm_open);
 dev_type_close(drm_close);
 dev_type_read(drm_read);
 dev_type_poll(drm_poll);
 dev_type_mmap(drm_mmap);
 #endif
 extern drm_local_map_t	*drm_getsarea(struct drm_device *dev);
 int drm_close_pid(struct drm_device *dev, struct drm_file *priv, pid_t pid);
 /* File operations helpers (drm_fops.c) */
 #if defined(__FreeBSD__)
 extern int		drm_open_helper(struct cdev *kdev, int flags, int fmt,
 					 DRM_STRUCTPROC *p,
 					struct drm_device *dev);
 #elif   defined(__NetBSD__)
 extern struct drm_file *drm_find_file_by_proc(struct drm_device *dev,
         struct proc *p);
 extern int		drm_open_helper(dev_t kdev, int flags, int fmt,
 				struct proc *p, struct drm_device *dev);
 #endif
 /* Memory management support (drm_memory.c) */
 void	drm_mem_init(void);
 void	drm_mem_uninit(void);
 void	*drm_ioremap_wc(struct drm_device *dev, drm_local_map_t *map);
 void	*drm_ioremap(struct drm_device *dev, drm_local_map_t *map);
 void	drm_ioremapfree(drm_local_map_t *map);
 #if defined(__FreeBSD__)
 int	drm_mtrr_add(unsigned long offset, size_t size, int flags);
 int	drm_mtrr_del(int handle, unsigned long offset, size_t size, int flags);
 #elif   defined(__NetBSD__)
 int	drm_mtrr_add(unsigned long offset, size_t size, int flags);
 int	drm_mtrr_del(unsigned long offset, size_t size, int flags);
 #endif
 int	drm_context_switch(struct drm_device *dev, int old, int new);
 int	drm_context_switch_complete(struct drm_device *dev, int new);
 int	drm_ctxbitmap_init(struct drm_device *dev);
 void	drm_ctxbitmap_cleanup(struct drm_device *dev);
 void	drm_ctxbitmap_free(struct drm_device *dev, int ctx_handle);
 int	drm_ctxbitmap_next(struct drm_device *dev);
 /* Locking IOCTL support (drm_lock.c) */
 int	drm_lock_take(struct drm_lock_data *lock_data,
 		      unsigned int context);
 int	drm_lock_transfer(struct drm_lock_data *lock_data,
 			  unsigned int context);
 int	drm_lock_free(struct drm_lock_data *lock_data,
 		      unsigned int context);
 /* Buffer management support (drm_bufs.c) */
 unsigned long drm_get_resource_start(struct drm_device *dev,
 				     unsigned int resource);
 unsigned long drm_get_resource_len(struct drm_device *dev,
 				   unsigned int resource);
 void	drm_rmmap(struct drm_device *dev, drm_local_map_t *map);
 int	drm_order(unsigned long size);
 int	drm_addmap(struct drm_device *dev, unsigned long offset,
 		   unsigned long size,
 		   enum drm_map_type type, enum drm_map_flags flags,
 		   drm_local_map_t **map_ptr);
 int	drm_addbufs_pci(struct drm_device *dev, struct drm_buf_desc *request);
 int	drm_addbufs_sg(struct drm_device *dev, struct drm_buf_desc *request);
 int	drm_addbufs_agp(struct drm_device *dev, struct drm_buf_desc *request);
 /* DMA support (drm_dma.c) */
 int	drm_dma_setup(struct drm_device *dev);
 void	drm_dma_takedown(struct drm_device *dev);
 void	drm_free_buffer(struct drm_device *dev, drm_buf_t *buf);
 void	drm_reclaim_buffers(struct drm_device *dev, struct drm_file *file_priv);
 #define drm_core_reclaim_buffers drm_reclaim_buffers
 /* IRQ support (drm_irq.c) */
 int	drm_irq_install(struct drm_device *dev);
 int	drm_irq_uninstall(struct drm_device *dev);
 irqreturn_t drm_irq_handler(DRM_IRQ_ARGS);
 void	drm_driver_irq_preinstall(struct drm_device *dev);
 void	drm_driver_irq_postinstall(struct drm_device *dev);
 void	drm_driver_irq_uninstall(struct drm_device *dev);
 void	drm_handle_vblank(struct drm_device *dev, int crtc);
 u32	drm_vblank_count(struct drm_device *dev, int crtc);
 int	drm_vblank_get(struct drm_device *dev, int crtc);
 void	drm_vblank_put(struct drm_device *dev, int crtc);
 void	drm_vblank_cleanup(struct drm_device *dev);
 int	drm_vblank_wait(struct drm_device *dev, unsigned int *vbl_seq);
 int	drm_vblank_init(struct drm_device *dev, int num_crtcs);
 void	drm_vbl_send_signals(struct drm_device *dev, int crtc);
 int 	drm_modeset_ctl(struct drm_device *dev, void *data,
 			struct drm_file *file_priv);
 /* AGP/PCI Express/GART support (drm_agpsupport.c) */
 int	drm_device_is_agp(struct drm_device *dev);
 int	drm_device_is_pcie(struct drm_device *dev);
 drm_agp_head_t *drm_agp_init(struct drm_device *dev);
 int	drm_agp_acquire(struct drm_device *dev);
 int	drm_agp_release(struct drm_device *dev);
 int	drm_agp_info(struct drm_device * dev, struct drm_agp_info *info);
 int	drm_agp_enable(struct drm_device *dev, struct drm_agp_mode mode);
 void	*drm_agp_allocate_memory(size_t pages, u32 type);
 int	drm_agp_free_memory(void *handle);
 int	drm_agp_bind_memory(void *handle, off_t start);
 int	drm_agp_unbind_memory(void *handle);
 int	drm_agp_alloc(struct drm_device *dev, struct drm_agp_buffer *request);
 int	drm_agp_free(struct drm_device *dev, struct drm_agp_buffer *request);
 int	drm_agp_bind(struct drm_device *dev, struct drm_agp_binding *request);
 int	drm_agp_unbind(struct drm_device *dev, struct drm_agp_binding *request);
 /* Scatter Gather Support (drm_scatter.c) */
 void	drm_sg_cleanup(drm_sg_mem_t *entry);
 int	drm_sg_alloc(struct drm_device *dev, struct drm_scatter_gather * request);
 /* sysctl support (drm_sysctl.h) */
 extern int		drm_sysctl_init(struct drm_device *dev);
 extern int		drm_sysctl_cleanup(struct drm_device *dev);
 /* ATI PCIGART support (ati_pcigart.c) */
 int	drm_ati_pcigart_init(struct drm_device *dev,
 				struct drm_ati_pcigart_info *gart_info);
 int	drm_ati_pcigart_cleanup(struct drm_device *dev,
 				struct drm_ati_pcigart_info *gart_info);
 /* Locking IOCTL support (drm_drv.c) */
 int	drm_lock(struct drm_device *dev, void *data,
 		 struct drm_file *file_priv);
 int	drm_unlock(struct drm_device *dev, void *data,
 		   struct drm_file *file_priv);
 int	drm_version(struct drm_device *dev, void *data,
 		    struct drm_file *file_priv);
 int	drm_setversion(struct drm_device *dev, void *data,
 		       struct drm_file *file_priv);
 /* Misc. IOCTL support (drm_ioctl.c) */
 int	drm_irq_by_busid(struct drm_device *dev, void *data,
 			 struct drm_file *file_priv);
 int	drm_getunique(struct drm_device *dev, void *data,
 		      struct drm_file *file_priv);
 int	drm_setunique(struct drm_device *dev, void *data,
 		      struct drm_file *file_priv);
 int	drm_getmap(struct drm_device *dev, void *data,
 		   struct drm_file *file_priv);
 int	drm_getclient(struct drm_device *dev, void *data,
 		      struct drm_file *file_priv);
 int	drm_getstats(struct drm_device *dev, void *data,
 		     struct drm_file *file_priv);
 int	drm_noop(struct drm_device *dev, void *data,
 		 struct drm_file *file_priv);
 /* Context IOCTL support (drm_context.c) */
 int	drm_resctx(struct drm_device *dev, void *data,
 		   struct drm_file *file_priv);
 int	drm_addctx(struct drm_device *dev, void *data,
 		   struct drm_file *file_priv);
 int	drm_modctx(struct drm_device *dev, void *data,
 		   struct drm_file *file_priv);
 int	drm_getctx(struct drm_device *dev, void *data,
 		   struct drm_file *file_priv);
 int	drm_switchctx(struct drm_device *dev, void *data,
 		      struct drm_file *file_priv);
 int	drm_newctx(struct drm_device *dev, void *data,
 		   struct drm_file *file_priv);
 int	drm_rmctx(struct drm_device *dev, void *data,
 		  struct drm_file *file_priv);
 int	drm_setsareactx(struct drm_device *dev, void *data,
 			struct drm_file *file_priv);
 int	drm_getsareactx(struct drm_device *dev, void *data,
 			struct drm_file *file_priv);
 /* Drawable IOCTL support (drm_drawable.c) */
 int	drm_adddraw(struct drm_device *dev, void *data,
 		    struct drm_file *file_priv);
 int	drm_rmdraw(struct drm_device *dev, void *data,
 		   struct drm_file *file_priv);
 int	drm_update_draw(struct drm_device *dev, void *data,
 			struct drm_file *file_priv);
 struct drm_drawable_info *drm_get_drawable_info(struct drm_device *dev,
 						int handle);
 /* Drawable support (drm_drawable.c) */
 void drm_drawable_free_all(struct drm_device *dev);
 /* Authentication IOCTL support (drm_auth.c) */
 int	drm_getmagic(struct drm_device *dev, void *data,
 		     struct drm_file *file_priv);
 int	drm_authmagic(struct drm_device *dev, void *data,
 		      struct drm_file *file_priv);
 /* Buffer management support (drm_bufs.c) */
 int	drm_addmap_ioctl(struct drm_device *dev, void *data,
 			 struct drm_file *file_priv);
 int	drm_rmmap_ioctl(struct drm_device *dev, void *data,
 			struct drm_file *file_priv);
 int	drm_addbufs(struct drm_device *dev, void *data,
 		    struct drm_file *file_priv);
 int	drm_infobufs(struct drm_device *dev, void *data,
 		     struct drm_file *file_priv);
 int	drm_markbufs(struct drm_device *dev, void *data,
 		     struct drm_file *file_priv);
 int	drm_freebufs(struct drm_device *dev, void *data,
 		     struct drm_file *file_priv);
 int	drm_mapbufs(struct drm_device *dev, void *data,
 		    struct drm_file *file_priv);
 /* DMA support (drm_dma.c) */
 int	drm_dma(struct drm_device *dev, void *data, struct drm_file *file_priv);
 /* IRQ support (drm_irq.c) */
 int	drm_control(struct drm_device *dev, void *data,
 		    struct drm_file *file_priv);
 int	drm_wait_vblank(struct drm_device *dev, void *data,
 			struct drm_file *file_priv);
 /* AGP/GART support (drm_agpsupport.c) */
 int	drm_agp_acquire_ioctl(struct drm_device *dev, void *data,
 			      struct drm_file *file_priv);
 int	drm_agp_release_ioctl(struct drm_device *dev, void *data,
 			      struct drm_file *file_priv);
 int	drm_agp_enable_ioctl(struct drm_device *dev, void *data,
 			     struct drm_file *file_priv);
 int	drm_agp_info_ioctl(struct drm_device *dev, void *data,
 			   struct drm_file *file_priv);
 int	drm_agp_alloc_ioctl(struct drm_device *dev, void *data,
 			    struct drm_file *file_priv);
 int	drm_agp_free_ioctl(struct drm_device *dev, void *data,
 			   struct drm_file *file_priv);
 int	drm_agp_unbind_ioctl(struct drm_device *dev, void *data,
 			     struct drm_file *file_priv);
 int	drm_agp_bind_ioctl(struct drm_device *dev, void *data,
 			   struct drm_file *file_priv);
 /* Scatter Gather Support (drm_scatter.c) */
 int	drm_sg_alloc_ioctl(struct drm_device *dev, void *data,
 			   struct drm_file *file_priv);
 int	drm_sg_free(struct drm_device *dev, void *data,
 		    struct drm_file *file_priv);
 /* consistent PCI memory functions (drm_pci.c) */
 drm_dma_handle_t *drm_pci_alloc(struct drm_device *dev, size_t size,
 				size_t align, dma_addr_t maxaddr);
 void	drm_pci_free(struct drm_device *dev, drm_dma_handle_t *dmah);
 /* Inline replacements for drm_alloc and friends */
 static __inline__ void *
 drm_alloc(size_t size, struct malloc_type *area)
+{
 	return malloc(size, area, M_NOWAIT);
+}
 static __inline__ void *
 drm_calloc(size_t nmemb, size_t size, struct malloc_type *area)
+{
 	return malloc(size * nmemb, area, M_NOWAIT | M_ZERO);
+}
 static __inline__ void *
 drm_realloc(void *oldpt, size_t oldsize, size_t size,
     struct malloc_type *area)
+{
 #if defined(__FreeBSD__)
 	return reallocf(oldpt, size, area, M_NOWAIT);
 #elif   defined(__NetBSD__)
 	void *pt;
 	pt = malloc(size, area, M_NOWAIT);
 	if (pt == NULL)
 		return NULL;
 	if (oldpt && oldsize) {
 		memcpy(pt, oldpt, oldsize);
 		free(oldpt, area);
+	}
 	return pt;
 #endif
+}
 static __inline__ void
 drm_free(void *pt, size_t size, struct malloc_type *area)
+{
 	free(pt, area);
+}
 /* Inline replacements for DRM_IOREMAP macros */
 static __inline__ void
 drm_core_ioremap_wc(struct drm_local_map *map, struct drm_device *dev)
+{
 	map->handle = drm_ioremap_wc(dev, map);
+}
 static __inline__ void
 drm_core_ioremap(struct drm_local_map *map, struct drm_device *dev)
+{
 	map->handle = drm_ioremap(dev, map);
+}
 static __inline__ void
 drm_core_ioremapfree(struct drm_local_map *map, struct drm_device *dev)
+{
 	if ( map->handle && map->size )
 		drm_ioremapfree(map);
+}
 static __inline__ struct drm_local_map *
 drm_core_findmap(struct drm_device *dev, unsigned long offset)
+{
 	drm_local_map_t *map;
 	DRM_SPINLOCK_ASSERT(&dev->dev_lock);
 	TAILQ_FOREACH(map, &dev->maplist, link) {
 		if (map->offset == offset)
 			return map;
+	}
 	return NULL;
+}
 static __inline__ void drm_core_dropmap(struct drm_map *map)
+{
+}
 #endif /* __KERNEL__ */
 #endif /* _DRM_P_H_ */