--- old/usr/src/uts/common/io/drm/drmP.h	Sun May 28 15:47:10 2017
+++ /dev/null	Sun May 28 15:44:56 2017
@@ -1,1103 +0,0 @@
-/*
- * 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.
- * Copyright (c) 2009, Intel Corporation.
- * 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>
- *
- */
-
-/*
- * Copyright 2010 Sun Microsystems, Inc.  All rights reserved.
- * Use is subject to license terms.
- */
-
-#ifndef	_DRMP_H
-#define	_DRMP_H
-
-#include <sys/sysmacros.h>
-#include <sys/types.h>
-#include <sys/conf.h>
-#include <sys/modctl.h>
-#include <sys/stat.h>
-#include <sys/file.h>
-#include <sys/cmn_err.h>
-#include <sys/varargs.h>
-#include <sys/pci.h>
-#include <sys/ddi.h>
-#include <sys/sunddi.h>
-#include <sys/sunldi.h>
-#include <sys/pmem.h>
-#include <sys/agpgart.h>
-#include <sys/time.h>
-#include <sys/sysmacros.h>
-#include "drm_atomic.h"
-#include "drm.h"
-#include "queue.h"
-#include "drm_linux_list.h"
-
-#ifndef __inline__
-#define	__inline__	inline
-#endif
-
-#if !defined(__FUNCTION__)
-#if defined(C99)
-#define	__FUNCTION__ __func__
-#else
-#define	__FUNCTION__	" "
-#endif
-#endif
-
-/* DRM space units */
-#define	DRM_PAGE_SHIFT			PAGESHIFT
-#define	DRM_PAGE_SIZE			(1 << DRM_PAGE_SHIFT)
-#define	DRM_PAGE_OFFSET			(DRM_PAGE_SIZE - 1)
-#define	DRM_PAGE_MASK			~(DRM_PAGE_SIZE - 1)
-#define	DRM_MB2PAGES(x)			((x) << 8)
-#define	DRM_PAGES2BYTES(x)		((x) << DRM_PAGE_SHIFT)
-#define	DRM_BYTES2PAGES(x)		((x) >> DRM_PAGE_SHIFT)
-#define	DRM_PAGES2KB(x)			((x) << 2)
-#define	DRM_ALIGNED(offset)		(((offset) & DRM_PAGE_OFFSET) == 0)
-
-#define	PAGE_SHIFT			DRM_PAGE_SHIFT
-#define	PAGE_SIZE			DRM_PAGE_SIZE
-
-#define	DRM_MAX_INSTANCES	8
-#define	DRM_DEVNODE		"drm"
-#define	DRM_UNOPENED		0
-#define	DRM_OPENED		1
-
-#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 */
-
-#define	DRM_MEM_DMA	   0
-#define	DRM_MEM_SAREA	   1
-#define	DRM_MEM_DRIVER	   2
-#define	DRM_MEM_MAGIC	   3
-#define	DRM_MEM_IOCTLS	   4
-#define	DRM_MEM_MAPS	   5
-#define	DRM_MEM_BUFS	   6
-#define	DRM_MEM_SEGS	   7
-#define	DRM_MEM_PAGES	   8
-#define	DRM_MEM_FILES	  9
-#define	DRM_MEM_QUEUES	  10
-#define	DRM_MEM_CMDS	  11
-#define	DRM_MEM_MAPPINGS  12
-#define	DRM_MEM_BUFLISTS  13
-#define	DRM_MEM_DRMLISTS  14
-#define	DRM_MEM_TOTALDRM  15
-#define	DRM_MEM_BOUNDDRM  16
-#define	DRM_MEM_CTXBITMAP 17
-#define	DRM_MEM_STUB	  18
-#define	DRM_MEM_SGLISTS	  19
-#define	DRM_MEM_AGPLISTS  20
-#define	DRM_MEM_CTXLIST   21
-#define	DRM_MEM_MM		22
-#define	DRM_MEM_HASHTAB		23
-#define	DRM_MEM_OBJECTS		24
-
-#define	DRM_MAX_CTXBITMAP (PAGE_SIZE * 8)
-#define	DRM_MAP_HASH_OFFSET 0x10000000
-#define	DRM_MAP_HASH_ORDER 12
-#define	DRM_OBJECT_HASH_ORDER 12
-#define	DRM_FILE_PAGE_OFFSET_START ((0xFFFFFFFFUL >> PAGE_SHIFT) + 1)
-#define	DRM_FILE_PAGE_OFFSET_SIZE ((0xFFFFFFFFUL >> PAGE_SHIFT) * 16)
-#define	DRM_MM_INIT_MAX_PAGES 256
-
-
-/* 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_MOD	(S_IRUSR|S_IWUSR|S_IRGRP|S_IWGRP)
-#define	DRM_DEV_UID	0
-#define	DRM_DEV_GID	0
-
-#define	DRM_CURRENTPID		ddi_get_pid()
-#define	DRM_SPINLOCK(l)		mutex_enter(l)
-#define	DRM_SPINUNLOCK(u)	mutex_exit(u)
-#define	DRM_SPINLOCK_ASSERT(l)
-#define	DRM_LOCK()	mutex_enter(&dev->dev_lock)
-#define	DRM_UNLOCK()	mutex_exit(&dev->dev_lock)
-#define	DRM_LOCK_OWNED()	ASSERT(mutex_owned(&dev->dev_lock))
-#define	spin_lock_irqsave(l, flag)		mutex_enter(l)
-#define	spin_unlock_irqrestore(u, flag) mutex_exit(u)
-#define	spin_lock(l)	mutex_enter(l)
-#define	spin_unlock(u)	mutex_exit(u)
-
-
-#define	DRM_UDELAY(sec)  delay(drv_usectohz(sec *1000))
-#define	DRM_MEMORYBARRIER()
-
-typedef	struct drm_file		drm_file_t;
-typedef struct drm_device	drm_device_t;
-typedef struct drm_driver_info drm_driver_t;
-
-#define	DRM_DEVICE	drm_device_t *dev = dev1
-#define	DRM_IOCTL_ARGS	\
-	drm_device_t *dev1, intptr_t data, drm_file_t *fpriv, int mode
-
-#define	DRM_COPYFROM_WITH_RETURN(dest, src, size)	\
-	if (ddi_copyin((src), (dest), (size), 0)) {	\
-		DRM_ERROR("%s: copy from user failed", __func__);	\
-		return (EFAULT);	\
-	}
-
-#define	DRM_COPYTO_WITH_RETURN(dest, src, size)	\
-	if (ddi_copyout((src), (dest), (size), 0)) {	\
-		DRM_ERROR("%s: copy to user failed", __func__);	\
-		return (EFAULT);	\
-	}
-
-#define	DRM_COPY_FROM_USER(dest, src, size) \
-	ddi_copyin((src), (dest), (size), 0) /* flag for src */
-
-#define	DRM_COPY_TO_USER(dest, src, size) \
-	ddi_copyout((src), (dest), (size), 0) /* flags for dest */
-
-#define	DRM_COPY_FROM_USER_UNCHECKED(arg1, arg2, arg3)  \
-	ddi_copyin((arg2), (arg1), (arg3), 0)
-
-#define	DRM_COPY_TO_USER_UNCHECKED(arg1, arg2, arg3)        \
-	ddi_copyout((arg2), arg1, arg3, 0)
-
-#define	DRM_READ8(map, offset) \
-	*(volatile uint8_t *)((uintptr_t)((map)->dev_addr) + (offset))
-#define	DRM_READ16(map, offset) \
-	*(volatile uint16_t *)((uintptr_t)((map)->dev_addr) + (offset))
-#define	DRM_READ32(map, offset) \
-	*(volatile uint32_t *)((uintptr_t)((map)->dev_addr) + (offset))
-#define	DRM_WRITE8(map, offset, val) \
-	*(volatile uint8_t *)((uintptr_t)((map)->dev_addr) + (offset)) = (val)
-#define	DRM_WRITE16(map, offset, val) \
-	*(volatile uint16_t *)((uintptr_t)((map)->dev_addr) + (offset)) = (val)
-#define	DRM_WRITE32(map, offset, val) \
-	*(volatile uint32_t *)((uintptr_t)((map)->dev_addr) + (offset)) = (val)
-
-typedef struct drm_wait_queue {
-	kcondvar_t	cv;
-	kmutex_t	lock;
-}wait_queue_head_t;
-
-#define	DRM_INIT_WAITQUEUE(q, pri)	\
-{ \
-	mutex_init(&(q)->lock, NULL, MUTEX_DRIVER, pri); \
-	cv_init(&(q)->cv, NULL, CV_DRIVER, NULL);	\
-}
-
-#define	DRM_FINI_WAITQUEUE(q)	\
-{ \
-	mutex_destroy(&(q)->lock);	\
-	cv_destroy(&(q)->cv);	\
-}
-
-#define	DRM_WAKEUP(q)	\
-{ \
-	mutex_enter(&(q)->lock); \
-	cv_broadcast(&(q)->cv);	\
-	mutex_exit(&(q)->lock);	\
-}
-
-#define	jiffies	ddi_get_lbolt()
-
-#define	DRM_WAIT_ON(ret, q, timeout, condition)  			\
-	mutex_enter(&(q)->lock);					\
-	while (!(condition)) {						\
-		ret = cv_reltimedwait_sig(&(q)->cv, &(q)->lock, timeout,\
-		    TR_CLOCK_TICK);					\
-		if (ret == -1) {					\
-			ret = EBUSY;					\
-			break;						\
-		} else if (ret == 0) {					\
-			ret = EINTR;  					\
-			break; 						\
-		} else { 						\
-			ret = 0; 					\
-		} 							\
-	} 								\
-	mutex_exit(&(q)->lock);
-
-#define	DRM_WAIT(ret, q, condition)  \
-mutex_enter(&(q)->lock);	\
-if (!(condition)) {	\
-	ret = cv_timedwait_sig(&(q)->cv, &(q)->lock, jiffies + 30 * DRM_HZ); \
-	if (ret == -1) {				\
-		/* gfx maybe hang */	\
-		if (!(condition)) 	\
-			ret = -2;	\
-	} else {	\
-		ret = 0;	\
-	}	\
-} \
-mutex_exit(&(q)->lock);
-
-
-#define	DRM_GETSAREA()  					\
-{                                				\
-	drm_local_map_t *map;					\
-	DRM_SPINLOCK_ASSERT(&dev->dev_lock);			\
-	TAILQ_FOREACH(map, &dev->maplist, link) {		\
-		if (map->type == _DRM_SHM &&			\
-			map->flags & _DRM_CONTAINS_LOCK) {	\
-			dev_priv->sarea = map;			\
-			break;					\
-		}						\
-	}							\
-}
-
-#define	LOCK_TEST_WITH_RETURN(dev, fpriv)				\
-	if (!_DRM_LOCK_IS_HELD(dev->lock.hw_lock->lock) ||		\
-	    dev->lock.filp != fpriv) {					\
-		DRM_DEBUG("%s called without lock held", __func__);	\
-		return (EINVAL);	\
-	}
-
-#define	DRM_IRQ_ARGS	caddr_t arg
-#define	IRQ_HANDLED		DDI_INTR_CLAIMED
-#define	IRQ_NONE		DDI_INTR_UNCLAIMED
-
-enum {
-	DRM_IS_NOT_AGP,
-	DRM_IS_AGP,
-	DRM_MIGHT_BE_AGP
-};
-
-/* 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
-
-#define	PAGE_ALIGN(addr)	(((addr) + DRM_PAGE_SIZE - 1) & DRM_PAGE_MASK)
-#define	DRM_SUSER(p)		(crgetsgid(p) == 0 || crgetsuid(p) == 0)
-
-#define	DRM_GEM_OBJIDR_HASHNODE	1024
-#define	idr_list_for_each(entry, head) \
-	for (int key = 0; key < DRM_GEM_OBJIDR_HASHNODE; key++) \
-		list_for_each(entry, &(head)->next[key])
-
-/*
- * wait for 400 milliseconds
- */
-#define	DRM_HZ			drv_usectohz(400000)
-
-typedef unsigned long dma_addr_t;
-typedef uint64_t	u64;
-typedef uint32_t	u32;
-typedef uint16_t	u16;
-typedef uint8_t		u8;
-typedef uint_t		irqreturn_t;
-
-#define	DRM_SUPPORT	1
-#define	DRM_UNSUPPORT	0
-
-#define	__OS_HAS_AGP	1
-
-typedef struct drm_pci_id_list
-{
-	int vendor;
-	int device;
-	long driver_private;
-	char *name;
-} drm_pci_id_list_t;
-
-#define	DRM_AUTH	0x1
-#define	DRM_MASTER	0x2
-#define	DRM_ROOT_ONLY	0x4
-typedef int drm_ioctl_t(DRM_IOCTL_ARGS);
-typedef struct drm_ioctl_desc {
-	int	(*func)(DRM_IOCTL_ARGS);
-	int	flags;
-} drm_ioctl_desc_t;
-
-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 */
-	drm_file_t		*filp;
-				/* Uniq. 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		*/
-	uint32_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_buf_entry {
-	int		  buf_size;
-	int		  buf_count;
-	drm_buf_t	  *buflist;
-	int		  seg_count;
-	int		  page_order;
-
-	uint32_t	  *seglist;
-	unsigned long	  *seglist_bus;
-
-	drm_freelist_t	  freelist;
-} drm_buf_entry_t;
-
-typedef TAILQ_HEAD(drm_file_list, drm_file) drm_file_list_t;
-
-/* BEGIN CSTYLED */
-typedef struct drm_local_map {
-	unsigned long	offset;  /*  Physical address (0 for SAREA)	*/
-	unsigned long	size;	 /* Physical size (bytes)		*/
-	drm_map_type_t	type;	 /* Type of memory mapped		*/
-	drm_map_flags_t 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 	*/
-	int		kernel_owned; /* Boolean: 1= initmapped, 0= addmapped */
-	caddr_t		dev_addr;	  /* base device address 	*/
-	ddi_acc_handle_t  dev_handle;	  /* The data access handle 	*/
-	ddi_umem_cookie_t drm_umem_cookie; /* For SAREA alloc and free  */
-	TAILQ_ENTRY(drm_local_map) link;
-} drm_local_map_t;
-/* END CSTYLED */
-
-/*
- * This structure defines the drm_mm memory object, which will be used by the
- * DRM for its buffer objects.
- */
-struct drm_gem_object {
-	/* Reference count of this object */
-	atomic_t refcount;
-
-	/* Handle count of this object. Each handle also holds a reference */
-	atomic_t handlecount;
-
-	/* Related drm device */
-	struct drm_device *dev;
-
-	int flink;
-	/*
-	 * Size of the object, in bytes.  Immutable over the object's
-	 * lifetime.
-	 */
-	size_t size;
-
-	/*
-	 * Global name for this object, starts at 1. 0 means unnamed.
-	 * Access is covered by the object_name_lock in the related drm_device
-	 */
-	int name;
-
-	/*
-	 * Memory domains. These monitor which caches contain read/write data
-	 * related to the object. When transitioning from one set of domains
-	 * to another, the driver is called to ensure that caches are suitably
-	 * flushed and invalidated
-	 */
-	uint32_t read_domains;
-	uint32_t write_domain;
-
-	/*
-	 * While validating an exec operation, the
-	 * new read/write domain values are computed here.
-	 * They will be transferred to the above values
-	 * at the point that any cache flushing occurs
-	 */
-	uint32_t pending_read_domains;
-	uint32_t pending_write_domain;
-
-	void *driver_private;
-
-	drm_local_map_t *map;
-	ddi_dma_handle_t dma_hdl;
-	ddi_acc_handle_t acc_hdl;
-	caddr_t kaddr;
-	size_t real_size;	/* real size of memory */
-	pfn_t *pfnarray;
-};
-
-struct idr_list {
-	struct idr_list *next, *prev;
-	struct drm_gem_object *obj;
-	uint32_t	handle;
-	caddr_t	contain_ptr;
-};
-
-struct drm_file {
-	TAILQ_ENTRY(drm_file) link;
-	int		  authenticated;
-	int		  master;
-	int		  minor;
-	pid_t		  pid;
-	uid_t		  uid;
-	int		  refs;
-	drm_magic_t	  magic;
-	unsigned long	  ioctl_count;
-	void		 *driver_priv;
-	/* Mapping of mm object handles to object pointers. */
-	struct idr_list object_idr;
-	/* Lock for synchronization of access to object_idr. */
-	kmutex_t table_lock;
-
-	dev_t dev;
-	cred_t *credp;
-};
-
-typedef struct drm_lock_data {
-	drm_hw_lock_t	*hw_lock;	/* Hardware lock		*/
-	drm_file_t	*filp;
-	/* Uniq. identifier of holding process */
-	kcondvar_t	lock_cv;	/* lock queue - SOLARIS Specific */
-	kmutex_t	lock_mutex;	/* lock - SOLARIS Specific */
-	unsigned long	lock_time;	/* Time of last lock in clock ticks */
-} drm_lock_data_t;
-
-/*
- * This structure, in drm_device_t, 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;
-	caddr_t		phys_addr;
-	struct drm_agp_mem *prev;
-	struct drm_agp_mem *next;
-} drm_agp_mem_t;
-
-typedef struct drm_agp_head {
-	agp_info_t	agp_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;
-	ldi_ident_t	agpgart_li;
-	ldi_handle_t	agpgart_lh;
-} drm_agp_head_t;
-
-
-typedef struct drm_dma_handle {
-	ddi_dma_handle_t	dma_hdl;
-	ddi_acc_handle_t	acc_hdl;
-	ddi_dma_cookie_t	cookie;
-	uint_t		cookie_num;
-	uintptr_t		vaddr;   /* virtual addr */
-	uintptr_t		paddr;   /* physical addr */
-	size_t		real_sz; /* real size of memory */
-} drm_dma_handle_t;
-
-typedef struct drm_sg_mem {
-	unsigned long	handle;
-	void		*virtual;
-	int		pages;
-	dma_addr_t  	*busaddr;
-	ddi_umem_cookie_t	*umem_cookie;
-	drm_dma_handle_t	*dmah_sg;
-	drm_dma_handle_t	*dmah_gart; /* Handle to PCI memory */
-} drm_sg_mem_t;
-
-/*
- * Generic memory manager structs
- */
-
-struct drm_mm_node {
-	struct list_head fl_entry;
-	struct list_head ml_entry;
-	int free;
-	unsigned long start;
-	unsigned long size;
-	struct drm_mm *mm;
-	void *private;
-};
-
-struct drm_mm {
-	struct list_head fl_entry;
-	struct list_head ml_entry;
-};
-
-typedef TAILQ_HEAD(drm_map_list, drm_local_map) drm_map_list_t;
-
-typedef TAILQ_HEAD(drm_vbl_sig_list, drm_vbl_sig) drm_vbl_sig_list_t;
-typedef struct drm_vbl_sig {
-	TAILQ_ENTRY(drm_vbl_sig) link;
-	unsigned int	sequence;
-	int		signo;
-	int		pid;
-} drm_vbl_sig_t;
-
-
-/* used for clone device */
-typedef TAILQ_HEAD(drm_cminor_list, drm_cminor) drm_cminor_list_t;
-typedef struct drm_cminor {
-	TAILQ_ENTRY(drm_cminor) link;
-	drm_file_t		*fpriv;
-	int			minor;
-} drm_cminor_t;
-
-/* location of GART table */
-#define	DRM_ATI_GART_MAIN	1
-#define	DRM_ATI_GART_FB		2
-
-typedef struct ati_pcigart_info {
-	int gart_table_location;
-	int is_pcie;
-	void *addr;
-	dma_addr_t bus_addr;
-	drm_local_map_t mapping;
-} drm_ati_pcigart_info;
-
-/* DRM device structure */
-struct drm_device;
-struct drm_driver_info {
-	int (*load)(struct drm_device *, unsigned long);
-	int (*firstopen)(struct drm_device *);
-	int (*open)(struct drm_device *, drm_file_t *);
-	void (*preclose)(struct drm_device *, drm_file_t *);
-	void (*postclose)(struct drm_device *, drm_file_t *);
-	void (*lastclose)(struct drm_device *);
-	int (*unload)(struct drm_device *);
-	void (*reclaim_buffers_locked)(struct drm_device *, drm_file_t *);
-	int (*presetup)(struct drm_device *);
-	int (*postsetup)(struct drm_device *);
-	int (*open_helper)(struct drm_device *, drm_file_t *);
-	void (*free_filp_priv)(struct drm_device *, drm_file_t *);
-	void (*release)(struct drm_device *, void *);
-	int (*dma_ioctl)(DRM_IOCTL_ARGS);
-	void (*dma_ready)(struct drm_device *);
-	int (*dma_quiescent)(struct drm_device *);
-	int (*dma_flush_block_and_flush)(struct drm_device *,
-			int, drm_lock_flags_t);
-	int (*dma_flush_unblock)(struct drm_device *, int,
-					drm_lock_flags_t);
-	int (*context_ctor)(struct drm_device *, int);
-	int (*context_dtor)(struct drm_device *, int);
-	int (*kernel_context_switch)(struct drm_device *, int, int);
-	int (*kernel_context_switch_unlock)(struct drm_device *);
-	int (*device_is_agp) (struct drm_device *);
-	int (*irq_preinstall)(struct drm_device *);
-	void (*irq_postinstall)(struct drm_device *);
-	void (*irq_uninstall)(struct drm_device *dev);
-	uint_t (*irq_handler)(DRM_IRQ_ARGS);
-	int (*vblank_wait)(struct drm_device *, unsigned int *);
-	int (*vblank_wait2)(struct drm_device *, unsigned int *);
-	/* added for intel minimized vblank */
-	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);
-
-	/*
-	 * Driver-specific constructor for drm_gem_objects, to set up
-	 * obj->driver_private.
-	 *
-	 * Returns 0 on success.
-	 */
-	int (*gem_init_object) (struct drm_gem_object *obj);
-	void (*gem_free_object) (struct drm_gem_object *obj);
-
-
-	drm_ioctl_desc_t *driver_ioctls;
-	int	max_driver_ioctl;
-
-	int	buf_priv_size;
-	int	driver_major;
-	int	driver_minor;
-	int	driver_patchlevel;
-	const char *driver_name;	/* Simple driver name		   */
-	const char *driver_desc;	/* Longer driver name		   */
-	const char *driver_date;	/* Date of last major changes.	   */
-
-	unsigned use_agp :1;
-	unsigned require_agp :1;
-	unsigned use_sg :1;
-	unsigned use_dma :1;
-	unsigned use_pci_dma :1;
-	unsigned use_dma_queue :1;
-	unsigned use_irq :1;
-	unsigned use_vbl_irq :1;
-	unsigned use_vbl_irq2 :1;
-	unsigned use_mtrr :1;
-	unsigned use_gem;
-};
-
-/*
- * hardware-specific code needs to initialize mutexes which
- * can be used in interrupt context, so they need to know
- * the interrupt priority. Interrupt cookie in drm_device
- * structure is the intr_block field.
- */
-#define	DRM_INTR_PRI(dev) \
-	DDI_INTR_PRI((dev)->intr_block)
-
-struct drm_device {
-	drm_driver_t	*driver;
-	drm_cminor_list_t	minordevs;
-	dev_info_t *dip;
-	void	*drm_handle;
-	int drm_supported;
-	const char *desc; /* current driver description */
-	kmutex_t *irq_mutex;
-	kcondvar_t *irq_cv;
-
-	ddi_iblock_cookie_t intr_block;
-	uint32_t	pci_device;	/* PCI device id */
-	uint32_t	pci_vendor;
-	char		*unique;	/* Unique identifier: e.g., busid  */
-	int		unique_len;	/* Length of unique field	   */
-	int		if_version;	/* Highest interface version set */
-	int		flags;	/* Flags to open(2)		   */
-
-	/* Locks */
-	kmutex_t	vbl_lock;	/* protects vblank operations */
-	kmutex_t	dma_lock;	/* protects dev->dma */
-	kmutex_t	irq_lock;	/* protects irq condition checks */
-	kmutex_t	dev_lock;	/* protects everything else */
-	drm_lock_data_t   lock;		/* Information on hardware lock    */
-	kmutex_t	struct_mutex;	/* < For others	*/
-
-	/* Usage Counters */
-	int		  open_count;	/* Outstanding files open	   */
-	int		  buf_use;	/* Buffers in use -- cannot alloc  */
-
-	/* Performance counters */
-	unsigned long	  counters;
-	drm_stat_type_t	  types[15];
-	uint32_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;
-
-	/* 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		  pci_domain;
-	int		  pci_bus;
-	int		  pci_slot;
-	int		  pci_func;
-	atomic_t	  context_flag;	/* Context swapping flag	   */
-	int		  last_context;	/* Last current context		   */
-
-	/* Only used for Radeon */
-	atomic_t	vbl_received;
-	atomic_t	vbl_received2;
-
-	drm_vbl_sig_list_t vbl_sig_list;
-	drm_vbl_sig_list_t vbl_sig_list2;
-	/*
-	 * At load time, disabling the vblank interrupt won't be allowed since
-	 * old clients may not call the modeset ioctl and therefore misbehave.
-	 * Once the modeset ioctl *has* been called though, we can safely
-	 * disable them when unused.
-	 */
-	int vblank_disable_allowed;
-
-	wait_queue_head_t	vbl_queue;	/* vbl wait channel */
-	/* vbl wait channel array */
-	wait_queue_head_t	*vbl_queues;
-
-	/* number of VBLANK interrupts */
-	/* (driver must alloc the right number of counters) */
-	atomic_t	  *_vblank_count;
-	/* signal list to send on VBLANK */
-	struct drm_vbl_sig_list *vbl_sigs;
-
-	/* number of signals pending on all crtcs */
-	atomic_t	  vbl_signal_pending;
-	/* number of users of vblank interrupts per crtc */
-	atomic_t	  *vblank_refcount;
-	/* protected by dev->vbl_lock, used for wraparound handling */
-	u32		  *last_vblank;
-	/* so we don't call enable more than */
-	atomic_t	  *vblank_enabled;
-	/* Display driver is setting mode */
-	int		*vblank_inmodeset;
-	/* Don't wait while crtc is likely disabled */
-	int		*vblank_suspend;
-	/* size of vblank counter register */
-	u32		max_vblank_count;
-	int		num_crtcs;
-	kmutex_t	tasklet_lock;
-	void (*locked_tasklet_func)(struct drm_device *dev);
-
-	pid_t		  buf_pgid;
-	drm_agp_head_t    *agp;
-	drm_sg_mem_t	  *sg;  /* Scatter gather memory */
-	uint32_t	  *ctx_bitmap;
-	void		  *dev_private;
-	unsigned int	  agp_buffer_token;
-	drm_local_map_t   *agp_buffer_map;
-
-	kstat_t		  *asoft_ksp; /* kstat support */
-
-	/* name Drawable information */
-	kmutex_t	drw_lock;
-	unsigned int drw_bitfield_length;
-	u32 *drw_bitfield;
-	unsigned int drw_info_length;
-	drm_drawable_info_t **drw_info;
-
-	/* \name GEM information */
-	/* @{ */
-	kmutex_t object_name_lock;
-	struct idr_list	object_name_idr;
-	atomic_t object_count;
-	atomic_t object_memory;
-	atomic_t pin_count;
-	atomic_t pin_memory;
-	atomic_t gtt_count;
-	atomic_t gtt_memory;
-	uint32_t gtt_total;
-	uint32_t invalidate_domains;	/* domains pending invalidation */
-	uint32_t flush_domains;	/* domains pending flush */
-	/* @} */
-
-	/*
-	 * Saving S3 context
-	 */
-	void		  *s3_private;
-};
-
-/* Memory management support (drm_memory.c) */
-void	drm_mem_init(void);
-void	drm_mem_uninit(void);
-void	*drm_alloc(size_t, int);
-void	*drm_calloc(size_t, size_t, int);
-void	*drm_realloc(void *, size_t, size_t, int);
-void	drm_free(void *, size_t, int);
-int 	drm_ioremap(drm_device_t *, drm_local_map_t *);
-void	drm_ioremapfree(drm_local_map_t *);
-
-void drm_core_ioremap(struct drm_local_map *, struct drm_device *);
-void drm_core_ioremapfree(struct drm_local_map *, struct drm_device *);
-
-void drm_pci_free(drm_device_t *, drm_dma_handle_t *);
-void *drm_pci_alloc(drm_device_t *, size_t, size_t, dma_addr_t, int);
-
-struct drm_local_map *drm_core_findmap(struct drm_device *, unsigned long);
-
-int	drm_context_switch(drm_device_t *, int, int);
-int	drm_context_switch_complete(drm_device_t *, int);
-int	drm_ctxbitmap_init(drm_device_t *);
-void	drm_ctxbitmap_cleanup(drm_device_t *);
-void	drm_ctxbitmap_free(drm_device_t *, int);
-int	drm_ctxbitmap_next(drm_device_t *);
-
-/* Locking IOCTL support (drm_lock.c) */
-int	drm_lock_take(drm_lock_data_t *, unsigned int);
-int	drm_lock_transfer(drm_device_t *,
-			drm_lock_data_t *, unsigned int);
-int	drm_lock_free(drm_device_t *,
-		    volatile unsigned int *, unsigned int);
-
-/* Buffer management support (drm_bufs.c) */
-unsigned long drm_get_resource_start(drm_device_t *, unsigned int);
-unsigned long drm_get_resource_len(drm_device_t *, unsigned int);
-int	drm_initmap(drm_device_t *, unsigned long, unsigned long,
-    unsigned int, int, int);
-void	drm_rmmap(drm_device_t *, drm_local_map_t *);
-int	drm_addmap(drm_device_t *, unsigned long, unsigned long,
-    drm_map_type_t, drm_map_flags_t, drm_local_map_t **);
-int	drm_order(unsigned long);
-
-/* DMA support (drm_dma.c) */
-int	drm_dma_setup(drm_device_t *);
-void	drm_dma_takedown(drm_device_t *);
-void	drm_free_buffer(drm_device_t *, drm_buf_t *);
-void	drm_reclaim_buffers(drm_device_t *, drm_file_t *);
-#define	drm_core_reclaim_buffers	drm_reclaim_buffers
-
-/* IRQ support (drm_irq.c) */
-int	drm_irq_install(drm_device_t *);
-int	drm_irq_uninstall(drm_device_t *);
-uint_t	drm_irq_handler(DRM_IRQ_ARGS);
-void	drm_driver_irq_preinstall(drm_device_t *);
-void	drm_driver_irq_postinstall(drm_device_t *);
-void	drm_driver_irq_uninstall(drm_device_t *);
-int	drm_vblank_wait(drm_device_t *, unsigned int *);
-void	drm_vbl_send_signals(drm_device_t *);
-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);
-int	drm_vblank_init(struct drm_device *dev, int num_crtcs);
-void	drm_vblank_cleanup(struct drm_device *dev);
-int    drm_modeset_ctl(DRM_IOCTL_ARGS);
-
-/* AGP/GART support (drm_agpsupport.c) */
-int	drm_device_is_agp(drm_device_t *);
-int 	drm_device_is_pcie(drm_device_t *);
-drm_agp_head_t *drm_agp_init(drm_device_t *);
-void	drm_agp_fini(drm_device_t *);
-int 	drm_agp_do_release(drm_device_t *);
-void	*drm_agp_allocate_memory(size_t pages,
-	    uint32_t type, drm_device_t *dev);
-int	drm_agp_free_memory(agp_allocate_t *handle, drm_device_t *dev);
-int	drm_agp_bind_memory(unsigned int, uint32_t, drm_device_t *);
-int	drm_agp_unbind_memory(unsigned long, drm_device_t *);
-int	drm_agp_bind_pages(drm_device_t *dev,
-		    pfn_t *pages,
-		    unsigned long num_pages,
-		    uint32_t gtt_offset);
-int	drm_agp_unbind_pages(drm_device_t *dev,
-		    unsigned long num_pages,
-		    uint32_t gtt_offset,
-		    uint32_t type);
-void drm_agp_chipset_flush(struct drm_device *dev);
-void drm_agp_rebind(struct drm_device *dev);
-
-/* kstat support (drm_kstats.c) */
-int	drm_init_kstats(drm_device_t *);
-void	drm_fini_kstats(drm_device_t *);
-
-/* Scatter Gather Support (drm_scatter.c) */
-void	drm_sg_cleanup(drm_device_t *, drm_sg_mem_t *);
-
-/* ATI PCIGART support (ati_pcigart.c) */
-int	drm_ati_pcigart_init(drm_device_t *, drm_ati_pcigart_info *);
-int	drm_ati_pcigart_cleanup(drm_device_t *, drm_ati_pcigart_info *);
-
-/* Locking IOCTL support (drm_drv.c) */
-int	drm_lock(DRM_IOCTL_ARGS);
-int	drm_unlock(DRM_IOCTL_ARGS);
-int	drm_version(DRM_IOCTL_ARGS);
-int	drm_setversion(DRM_IOCTL_ARGS);
-/* Cache management (drm_cache.c) */
-void drm_clflush_pages(caddr_t *pages, unsigned long num_pages);
-
-/* Misc. IOCTL support (drm_ioctl.c) */
-int	drm_irq_by_busid(DRM_IOCTL_ARGS);
-int	drm_getunique(DRM_IOCTL_ARGS);
-int	drm_setunique(DRM_IOCTL_ARGS);
-int	drm_getmap(DRM_IOCTL_ARGS);
-int	drm_getclient(DRM_IOCTL_ARGS);
-int	drm_getstats(DRM_IOCTL_ARGS);
-int	drm_noop(DRM_IOCTL_ARGS);
-
-/* Context IOCTL support (drm_context.c) */
-int	drm_resctx(DRM_IOCTL_ARGS);
-int	drm_addctx(DRM_IOCTL_ARGS);
-int	drm_modctx(DRM_IOCTL_ARGS);
-int	drm_getctx(DRM_IOCTL_ARGS);
-int	drm_switchctx(DRM_IOCTL_ARGS);
-int	drm_newctx(DRM_IOCTL_ARGS);
-int	drm_rmctx(DRM_IOCTL_ARGS);
-int	drm_setsareactx(DRM_IOCTL_ARGS);
-int	drm_getsareactx(DRM_IOCTL_ARGS);
-
-/* Drawable IOCTL support (drm_drawable.c) */
-int	drm_adddraw(DRM_IOCTL_ARGS);
-int	drm_rmdraw(DRM_IOCTL_ARGS);
-int	drm_update_draw(DRM_IOCTL_ARGS);
-
-/* Authentication IOCTL support (drm_auth.c) */
-int	drm_getmagic(DRM_IOCTL_ARGS);
-int	drm_authmagic(DRM_IOCTL_ARGS);
-int	drm_remove_magic(drm_device_t *, drm_magic_t);
-drm_file_t	*drm_find_file(drm_device_t *, drm_magic_t);
-/* Buffer management support (drm_bufs.c) */
-int	drm_addmap_ioctl(DRM_IOCTL_ARGS);
-int	drm_rmmap_ioctl(DRM_IOCTL_ARGS);
-int	drm_addbufs_ioctl(DRM_IOCTL_ARGS);
-int	drm_infobufs(DRM_IOCTL_ARGS);
-int	drm_markbufs(DRM_IOCTL_ARGS);
-int	drm_freebufs(DRM_IOCTL_ARGS);
-int	drm_mapbufs(DRM_IOCTL_ARGS);
-
-/* DMA support (drm_dma.c) */
-int	drm_dma(DRM_IOCTL_ARGS);
-
-/* IRQ support (drm_irq.c) */
-int	drm_control(DRM_IOCTL_ARGS);
-int	drm_wait_vblank(DRM_IOCTL_ARGS);
-
-/* AGP/GART support (drm_agpsupport.c) */
-int	drm_agp_acquire(DRM_IOCTL_ARGS);
-int	drm_agp_release(DRM_IOCTL_ARGS);
-int	drm_agp_enable(DRM_IOCTL_ARGS);
-int	drm_agp_info(DRM_IOCTL_ARGS);
-int	drm_agp_alloc(DRM_IOCTL_ARGS);
-int	drm_agp_free(DRM_IOCTL_ARGS);
-int	drm_agp_unbind(DRM_IOCTL_ARGS);
-int	drm_agp_bind(DRM_IOCTL_ARGS);
-
-/* Scatter Gather Support (drm_scatter.c) */
-int	drm_sg_alloc(DRM_IOCTL_ARGS);
-int	drm_sg_free(DRM_IOCTL_ARGS);
-
-/*	drm_mm.c	*/
-struct drm_mm_node *drm_mm_get_block(struct drm_mm_node *parent,
-				    unsigned long size, unsigned alignment);
-struct drm_mm_node *drm_mm_search_free(const struct drm_mm *mm,
-				    unsigned long size,
-				    unsigned alignment, int best_match);
-
-extern void drm_mm_clean_ml(const struct drm_mm *mm);
-extern int drm_debug_flag;
-
-/* We add function to support DRM_DEBUG,DRM_ERROR,DRM_INFO */
-extern void drm_debug(const char *fmt, ...);
-extern void drm_error(const char *fmt, ...);
-extern void drm_info(const char *fmt, ...);
-
-#ifdef DEBUG
-#define	DRM_DEBUG		if (drm_debug_flag >= 2) drm_debug
-#define	DRM_INFO		if (drm_debug_flag >= 1) drm_info
-#else
-#define	DRM_DEBUG(...)
-#define	DRM_INFO(...)
-#endif
-
-#define	DRM_ERROR		drm_error
-
-
-#define	MAX_INSTNUMS 16
-
-extern int drm_dev_to_instance(dev_t);
-extern int drm_dev_to_minor(dev_t);
-extern void *drm_supp_register(dev_info_t *, drm_device_t *);
-extern int drm_supp_unregister(void *);
-
-extern int drm_open(drm_device_t *, drm_cminor_t *, int, int, cred_t *);
-extern int drm_close(drm_device_t *, int, int, int, cred_t *);
-extern int drm_attach(drm_device_t *);
-extern int drm_detach(drm_device_t *);
-extern int drm_probe(drm_device_t *, drm_pci_id_list_t *);
-
-extern int drm_pci_init(drm_device_t *);
-extern void drm_pci_end(drm_device_t *);
-extern int pci_get_info(drm_device_t *, int *, int *, int *);
-extern int pci_get_irq(drm_device_t *);
-extern int pci_get_vendor(drm_device_t *);
-extern int pci_get_device(drm_device_t *);
-
-extern struct drm_drawable_info *drm_get_drawable_info(drm_device_t *,
-							drm_drawable_t);
-/* File Operations helpers (drm_fops.c) */
-extern drm_file_t *drm_find_file_by_proc(drm_device_t *, cred_t *);
-extern drm_cminor_t *drm_find_file_by_minor(drm_device_t *, int);
-extern int drm_open_helper(drm_device_t *, drm_cminor_t *, int, int,
-    cred_t *);
-
-/* Graphics Execution Manager library functions (drm_gem.c) */
-int drm_gem_init(struct drm_device *dev);
-void drm_gem_object_free(struct drm_gem_object *obj);
-struct drm_gem_object *drm_gem_object_alloc(struct drm_device *dev,
-					    size_t size);
-void drm_gem_object_handle_free(struct drm_gem_object *obj);
-
-void drm_gem_object_reference(struct drm_gem_object *obj);
-void drm_gem_object_unreference(struct drm_gem_object *obj);
-
-int drm_gem_handle_create(struct drm_file *file_priv,
-			    struct drm_gem_object *obj,
-			    int *handlep);
-void drm_gem_object_handle_reference(struct drm_gem_object *obj);
-
-void drm_gem_object_handle_unreference(struct drm_gem_object *obj);
-
-struct drm_gem_object *drm_gem_object_lookup(struct drm_file *filp,
-					    int handle);
-int drm_gem_close_ioctl(DRM_IOCTL_ARGS);
-int drm_gem_flink_ioctl(DRM_IOCTL_ARGS);
-int drm_gem_open_ioctl(DRM_IOCTL_ARGS);
-void drm_gem_open(struct drm_file *file_private);
-void drm_gem_release(struct drm_device *dev, struct drm_file *file_private);
-
-
-#endif	/* _DRMP_H */
