renesas/virt/virtio-spec.git - Virtio specification

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author	mstsirkin <mstsirkin@0c8fb4dd-22a2-4bb5-bc14-6c75a5f43652>	2015-04-22 11:26:17 +0000
committer	mstsirkin <mstsirkin@0c8fb4dd-22a2-4bb5-bc14-6c75a5f43652>	2015-04-22 11:26:17 +0000
commit	29b3906c61385501ec846d5163cabf1bcc32b73f (patch)
tree	cc69033a957c0eb9536081bd626c525742b05d90 /images
parent	8aae5034956b183536aae59586541a783e78c4e4 (diff)

cl: list r506 and VIRTIO-138

Signed-off-by: Michael S. Tsirkin <mst@redhat.com> git-svn-id: https://tools.oasis-open.org/version-control/svn/virtio/branches/v1.0@515 0c8fb4dd-22a2-4bb5-bc14-6c75a5f43652

Diffstat (limited to 'images')

0 files changed, 0 insertions, 0 deletions

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/* drmP.h -- Private header for Direct Rendering Manager -*- linux-c -*-
 * Created: Mon Jan  4 10:05:05 1999 by faith@precisioninsight.com
 * Revised: Sun Feb 13 23:34:30 2000 by kevin@precisioninsight.com
 *
 * Copyright 1999 Precision Insight, Inc., Cedar Park, Texas.
 * 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
 * PRECISION INSIGHT 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.
 * 
 * $XFree86: xc/programs/Xserver/hw/xfree86/os-support/linux/drm/kernel/drmP.h,v 1.6 2000/02/23 04:47:27 martin Exp $
 * 
 */

#ifndef _DRM_P_H_
#define _DRM_P_H_

#ifdef __KERNEL__
#include <linux/module.h>
#include <linux/kernel.h>
#include <linux/miscdevice.h>
#include <linux/fs.h>
#include <linux/proc_fs.h>
#include <linux/init.h>
#include <linux/file.h>
#include <linux/pci.h>
#include <linux/wrapper.h>
#include <linux/version.h>
#include <asm/io.h>
#include <asm/mman.h>
#include <asm/uaccess.h>
#ifdef CONFIG_MTRR
#include <asm/mtrr.h>
#endif
#ifdef DRM_AGP
#include <linux/types.h>
#include <linux/agp_backend.h>
#endif
#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,1,0)
#include <linux/tqueue.h>
#include <linux/poll.h>
#endif
#include "drm.h"

#define DRM_DEBUG_CODE 2	  /* Include debugging code (if > 1, then
				     also include looping detection. */
#define DRM_DMA_HISTOGRAM 1	  /* Make histogram of DMA latency. */

#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_LOOPING_LIMIT     5000000
#define DRM_BSZ		      1024 /* Buffer size for /dev/drm? output	  */
#define DRM_TIME_SLICE	      (HZ/20)  /* Time slice for GLXContexts	  */
#define DRM_LOCK_SLICE	      1	/* Time slice for lock, in jiffies	  */

#define DRM_FLAG_DEBUG	  0x01
#define DRM_FLAG_NOCTX	  0x02

#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_VMAS	   6
#define DRM_MEM_BUFS	   7
#define DRM_MEM_SEGS	   8
#define DRM_MEM_PAGES	   9
#define DRM_MEM_FILES	  10
#define DRM_MEM_QUEUES	  11
#define DRM_MEM_CMDS	  12
#define DRM_MEM_MAPPINGS  13
#define DRM_MEM_BUFLISTS  14
#define DRM_MEM_AGPLISTS  15
#define DRM_MEM_TOTALAGP  16
#define DRM_MEM_BOUNDAGP  17
#define DRM_MEM_CTXBITMAP 18

#define DRM_MAX_CTXBITMAP (PAGE_SIZE * 8)

				/* Backward compatibility section */
				/* _PAGE_WT changed to _PAGE_PWT in 2.2.6 */
#ifndef _PAGE_PWT
#define _PAGE_PWT _PAGE_WT
#endif
				/* Wait queue declarations changed in 2.3.1 */
#ifndef DECLARE_WAITQUEUE
#define DECLARE_WAITQUEUE(w,c) struct wait_queue w = { c, NULL }
typedef struct wait_queue *wait_queue_head_t;
#define init_waitqueue_head(q) *q = NULL;
#endif

				/* _PAGE_4M changed to _PAGE_PSE in 2.3.23 */
#ifndef _PAGE_PSE
#define _PAGE_PSE _PAGE_4M
#endif

				/* vm_offset changed to vm_pgoff in 2.3.25 */
#if LINUX_VERSION_CODE < 0x020319
#define VM_OFFSET(vma) ((vma)->vm_offset)
#else
#define VM_OFFSET(vma) ((vma)->vm_pgoff << PAGE_SHIFT)
#endif

				/* *_nopage return values defined in 2.3.26 */
#ifndef NOPAGE_SIGBUS
#define NOPAGE_SIGBUS 0
#endif
#ifndef NOPAGE_OOM
#define NOPAGE_OOM 0
#endif

				/* Generic cmpxchg added in 2.3.x */
#if CPU != 386
#ifndef __HAVE_ARCH_CMPXCHG
				/* Include this here so that driver can be
                                   used with older kernels. */
static inline unsigned long __cmpxchg(volatile void *ptr, unsigned long old,
				      unsigned long new, int size)
{
	unsigned long prev;
	switch (size) {
	case 1:
		__asm__ __volatile__(LOCK_PREFIX "cmpxchgb %b1,%2"
				     : "=a"(prev)
				     : "q"(new), "m"(*__xg(ptr)), "0"(old)
				     : "memory");
		return prev;
	case 2:
		__asm__ __volatile__(LOCK_PREFIX "cmpxchgw %w1,%2"
				     : "=a"(prev)
				     : "q"(new), "m"(*__xg(ptr)), "0"(old)
				     : "memory");
		return prev;
	case 4:
		__asm__ __volatile__(LOCK_PREFIX "cmpxchgl %1,%2"
				     : "=a"(prev)
				     : "q"(new), "m"(*__xg(ptr)), "0"(old)
				     : "memory");
		return prev;
	}
	return old;
}

#define cmpxchg(ptr,o,n)						\
  ((__typeof__(*(ptr)))__cmpxchg((ptr),(unsigned long)(o),		\


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