massive reduction of unneeded files

1 files changed, 0 insertions, 578 deletions

diff --git a/nx-X11/extras/drm/linux/drm_context.h b/nx-X11/extras/drm/linux/drm_context.h
deleted file mode 100644
index b99c99475..000000000
--- a/nx-X11/extras/drm/linux/drm_context.h
+++ /dev/null
@@ -1,578 +0,0 @@
-/**
- * \file drm_context.h 
- * IOCTLs for generic contexts
- * 
- * \author Rickard E. (Rik) Faith <faith@valinux.com>
- * \author Gareth Hughes <gareth@valinux.com>
- */
-
-/*
- * Created: Fri Nov 24 18:31:37 2000 by gareth@valinux.com
- *
- * Copyright 1999, 2000 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.
- */
-
-/*
- * ChangeLog:
- *  2001-11-16	Torsten Duwe <duwe@caldera.de>
- *		added context constructor/destructor hooks,
- *		needed by SiS driver's memory management.
- */
-
-#include "drmP.h"
-
-/******************************************************************/
-/** \name Context bitmap support */
-/*@{*/
-
-/**
- * Free a handle from the context bitmap.
- *
- * \param dev DRM device.
- * \param ctx_handle context handle.
- *
- * Clears the bit specified by \p ctx_handle in drm_device::ctx_bitmap and the entry
- * in drm_device::context_sareas, while holding the drm_device::struct_sem
- * lock.
- */
-void DRM(ctxbitmap_free)( drm_device_t *dev, int ctx_handle )
-{
-	if ( ctx_handle < 0 ) goto failed;
-	if ( !dev->ctx_bitmap ) goto failed;
-
-	if ( ctx_handle < DRM_MAX_CTXBITMAP ) {
-		down(&dev->struct_sem);
-		clear_bit( ctx_handle, dev->ctx_bitmap );
-		dev->context_sareas[ctx_handle] = NULL;
-		up(&dev->struct_sem);
-		return;
-	}
-failed:
-       	DRM_ERROR( "Attempt to free invalid context handle: %d\n",
-		   ctx_handle );
-       	return;
-}
-
-/** 
- * Context bitmap allocation.
- *
- * \param dev DRM device.
- * \return (non-negative) context handle on success or a negative number on failure.
- *
- * Find the first zero bit in drm_device::ctx_bitmap and (re)allocates
- * drm_device::context_sareas to accommodate the new entry while holding the
- * drm_device::struct_sem lock.
- */
-int DRM(ctxbitmap_next)( drm_device_t *dev )
-{
-	int bit;
-
-	if(!dev->ctx_bitmap) return -1;
-
-	down(&dev->struct_sem);
-	bit = find_first_zero_bit( dev->ctx_bitmap, DRM_MAX_CTXBITMAP );
-	if ( bit < DRM_MAX_CTXBITMAP ) {
-		set_bit( bit, dev->ctx_bitmap );
-	   	DRM_DEBUG( "drm_ctxbitmap_next bit : %d\n", bit );
-		if((bit+1) > dev->max_context) {
-			dev->max_context = (bit+1);
-			if(dev->context_sareas) {
-				drm_map_t **ctx_sareas;
-
-				ctx_sareas = DRM(realloc)(dev->context_sareas,
-						(dev->max_context - 1) * 
-						sizeof(*dev->context_sareas),
-						dev->max_context * 
-						sizeof(*dev->context_sareas),
-						DRM_MEM_MAPS);
-				if(!ctx_sareas) {
-					clear_bit(bit, dev->ctx_bitmap);
-					up(&dev->struct_sem);
-					return -1;
-				}
-				dev->context_sareas = ctx_sareas;
-				dev->context_sareas[bit] = NULL;
-			} else {
-				/* max_context == 1 at this point */
-				dev->context_sareas = DRM(alloc)(
-						dev->max_context * 
-						sizeof(*dev->context_sareas),
-						DRM_MEM_MAPS);
-				if(!dev->context_sareas) {
-					clear_bit(bit, dev->ctx_bitmap);
-					up(&dev->struct_sem);
-					return -1;
-				}
-				dev->context_sareas[bit] = NULL;
-			}
-		}
-		up(&dev->struct_sem);
-		return bit;
-	}
-	up(&dev->struct_sem);
-	return -1;
-}
-
-/**
- * Context bitmap initialization.
- *
- * \param dev DRM device.
- *
- * Allocates and initialize drm_device::ctx_bitmap and drm_device::context_sareas, while holding
- * the drm_device::struct_sem lock.
- */
-int DRM(ctxbitmap_init)( drm_device_t *dev )
-{
-	int i;
-   	int temp;
-
-	down(&dev->struct_sem);
-	dev->ctx_bitmap = (unsigned long *) DRM(alloc)( PAGE_SIZE,
-							DRM_MEM_CTXBITMAP );
-	if ( dev->ctx_bitmap == NULL ) {
-		up(&dev->struct_sem);
-		return -ENOMEM;
-	}
-	memset( (void *)dev->ctx_bitmap, 0, PAGE_SIZE );
-	dev->context_sareas = NULL;
-	dev->max_context = -1;
-	up(&dev->struct_sem);
-
-	for ( i = 0 ; i < DRM_RESERVED_CONTEXTS ; i++ ) {
-		temp = DRM(ctxbitmap_next)( dev );
-	   	DRM_DEBUG( "drm_ctxbitmap_init : %d\n", temp );
-	}
-
-	return 0;
-}
-
-/**
- * Context bitmap cleanup.
- *
- * \param dev DRM device.
- *
- * Frees drm_device::ctx_bitmap and drm_device::context_sareas, while holding
- * the drm_device::struct_sem lock.
- */
-void DRM(ctxbitmap_cleanup)( drm_device_t *dev )
-{
-	down(&dev->struct_sem);
-	if( dev->context_sareas ) DRM(free)( dev->context_sareas,
-					     sizeof(*dev->context_sareas) * 
-					     dev->max_context,
-					     DRM_MEM_MAPS );
-	DRM(free)( (void *)dev->ctx_bitmap, PAGE_SIZE, DRM_MEM_CTXBITMAP );
-	up(&dev->struct_sem);
-}
-
-/*@}*/
-
-/******************************************************************/
-/** \name Per Context SAREA Support */
-/*@{*/
-
-/**
- * Get per-context SAREA.
- * 
- * \param inode device inode.
- * \param filp file pointer.
- * \param cmd command.
- * \param arg user argument pointing to a drm_ctx_priv_map structure.
- * \return zero on success or a negative number on failure.
- *
- * Gets the map from drm_device::context_sareas with the handle specified and
- * returns its handle.
- */
-int DRM(getsareactx)(struct inode *inode, struct file *filp,
-		     unsigned int cmd, unsigned long arg)
-{
-	drm_file_t	*priv	= filp->private_data;
-	drm_device_t	*dev	= priv->dev;
-	drm_ctx_priv_map_t __user *argp = (void __user *)arg;
-	drm_ctx_priv_map_t request;
-	drm_map_t *map;
-
-	if (copy_from_user(&request, argp, sizeof(request)))
-		return -EFAULT;
-
-	down(&dev->struct_sem);
-	if (dev->max_context < 0 || request.ctx_id >= (unsigned) dev->max_context) {
-		up(&dev->struct_sem);
-		return -EINVAL;
-	}
-
-	map = dev->context_sareas[request.ctx_id];
-	up(&dev->struct_sem);
-
-	request.handle = map->handle;
-	if (copy_to_user(argp, &request, sizeof(request)))
-		return -EFAULT;
-	return 0;
-}
-
-/**
- * Set per-context SAREA.
- * 
- * \param inode device inode.
- * \param filp file pointer.
- * \param cmd command.
- * \param arg user argument pointing to a drm_ctx_priv_map structure.
- * \return zero on success or a negative number on failure.
- *
- * Searches the mapping specified in \p arg and update the entry in
- * drm_device::context_sareas with it.
- */
-int DRM(setsareactx)(struct inode *inode, struct file *filp,
-		     unsigned int cmd, unsigned long arg)
-{
-	drm_file_t	*priv	= filp->private_data;
-	drm_device_t	*dev	= priv->dev;
-	drm_ctx_priv_map_t request;
-	drm_map_t *map = NULL;
-	drm_map_list_t *r_list = NULL;
-	struct list_head *list;
-
-	if (copy_from_user(&request,
-			   (drm_ctx_priv_map_t __user *)arg,
-			   sizeof(request)))
-		return -EFAULT;
-
-	down(&dev->struct_sem);
-	list_for_each(list, &dev->maplist->head) {
-		r_list = list_entry(list, drm_map_list_t, head);
-		if(r_list->map &&
-		   r_list->map->handle == request.handle)
-			goto found;
-	}
-bad:
-	up(&dev->struct_sem);
-	return -EINVAL;
-
-found:
-	map = r_list->map;
-	if (!map) goto bad;
-	if (dev->max_context < 0)
-		goto bad;
-	if (request.ctx_id >= (unsigned) dev->max_context)
-		goto bad;
-	dev->context_sareas[request.ctx_id] = map;
-	up(&dev->struct_sem);
-	return 0;
-}
-
-/*@}*/
-
-/******************************************************************/
-/** \name The actual DRM context handling routines */
-/*@{*/
-
-/**
- * Switch context.
- *
- * \param dev DRM device.
- * \param old old context handle.
- * \param new new context handle.
- * \return zero on success or a negative number on failure.
- *
- * Attempt to set drm_device::context_flag.
- */
-int DRM(context_switch)( drm_device_t *dev, int old, int new )
-{
-        if ( test_and_set_bit( 0, &dev->context_flag ) ) {
-                DRM_ERROR( "Reentering -- FIXME\n" );
-                return -EBUSY;
-        }
-
-
-        DRM_DEBUG( "Context switch from %d to %d\n", old, new );
-
-        if ( new == dev->last_context ) {
-                clear_bit( 0, &dev->context_flag );
-                return 0;
-        }
-
-        return 0;
-}
-
-/**
- * Complete context switch.
- *
- * \param dev DRM device.
- * \param new new context handle.
- * \return zero on success or a negative number on failure.
- *
- * Updates drm_device::last_context and drm_device::last_switch. Verifies the
- * hardware lock is held, clears the drm_device::context_flag and wakes up
- * drm_device::context_wait.
- */
-int DRM(context_switch_complete)( drm_device_t *dev, int new )
-{
-        dev->last_context = new;  /* PRE/POST: This is the _only_ writer. */
-        dev->last_switch  = jiffies;
-
-        if ( !_DRM_LOCK_IS_HELD(dev->lock.hw_lock->lock) ) {
-                DRM_ERROR( "Lock isn't held after context switch\n" );
-        }
-
-				/* If a context switch is ever initiated
-                                   when the kernel holds the lock, release
-                                   that lock here. */
-        clear_bit( 0, &dev->context_flag );
-        wake_up( &dev->context_wait );
-
-        return 0;
-}
-
-/**
- * Reserve contexts.
- *
- * \param inode device inode.
- * \param filp file pointer.
- * \param cmd command.
- * \param arg user argument pointing to a drm_ctx_res structure.
- * \return zero on success or a negative number on failure.
- */
-int DRM(resctx)( struct inode *inode, struct file *filp,
-		 unsigned int cmd, unsigned long arg )
-{
-	drm_ctx_res_t res;
-	drm_ctx_t __user *argp = (void __user *)arg;
-	drm_ctx_t ctx;
-	int i;
-
-	if ( copy_from_user( &res, argp, sizeof(res) ) )
-		return -EFAULT;
-
-	if ( res.count >= DRM_RESERVED_CONTEXTS ) {
-		memset( &ctx, 0, sizeof(ctx) );
-		for ( i = 0 ; i < DRM_RESERVED_CONTEXTS ; i++ ) {
-			ctx.handle = i;
-			if ( copy_to_user( &res.contexts[i],
-					   &i, sizeof(i) ) )
-				return -EFAULT;
-		}
-	}
-	res.count = DRM_RESERVED_CONTEXTS;
-
-	if ( copy_to_user( argp, &res, sizeof(res) ) )
-		return -EFAULT;
-	return 0;
-}
-
-/**
- * Add context.
- *
- * \param inode device inode.
- * \param filp file pointer.
- * \param cmd command.
- * \param arg user argument pointing to a drm_ctx structure.
- * \return zero on success or a negative number on failure.
- *
- * Get a new handle for the context and copy to userspace.
- */
-int DRM(addctx)( struct inode *inode, struct file *filp,
-		 unsigned int cmd, unsigned long arg )
-{
-	drm_file_t *priv = filp->private_data;
-	drm_device_t *dev = priv->dev;
-	drm_ctx_list_t * ctx_entry;
-	drm_ctx_t __user *argp = (void __user *)arg;
-	drm_ctx_t ctx;
-
-	if ( copy_from_user( &ctx, argp, sizeof(ctx) ) )
-		return -EFAULT;
-
-	ctx.handle = DRM(ctxbitmap_next)( dev );
-	if ( ctx.handle == DRM_KERNEL_CONTEXT ) {
-				/* Skip kernel's context and get a new one. */
-		ctx.handle = DRM(ctxbitmap_next)( dev );
-	}
-	DRM_DEBUG( "%d\n", ctx.handle );
-	if ( ctx.handle == -1 ) {
-		DRM_DEBUG( "Not enough free contexts.\n" );
-				/* Should this return -EBUSY instead? */
-		return -ENOMEM;
-	}
-
-	if ( ctx.handle != DRM_KERNEL_CONTEXT )
-	{
-		if (dev->fn_tbl.context_ctor)
-			dev->fn_tbl.context_ctor(dev, ctx.handle);
-	}
-
-	ctx_entry = DRM(alloc)( sizeof(*ctx_entry), DRM_MEM_CTXLIST );
-	if ( !ctx_entry ) {
-		DRM_DEBUG("out of memory\n");
-		return -ENOMEM;
-	}
-
-	INIT_LIST_HEAD( &ctx_entry->head );
-	ctx_entry->handle = ctx.handle;
-	ctx_entry->tag = priv;
-
-	down( &dev->ctxlist_sem );
-	list_add( &ctx_entry->head, &dev->ctxlist->head );
-	++dev->ctx_count;
-	up( &dev->ctxlist_sem );
-
-	if ( copy_to_user( argp, &ctx, sizeof(ctx) ) )
-		return -EFAULT;
-	return 0;
-}
-
-int DRM(modctx)( struct inode *inode, struct file *filp,
-		 unsigned int cmd, unsigned long arg )
-{
-	/* This does nothing */
-	return 0;
-}
-
-/**
- * Get context.
- *
- * \param inode device inode.
- * \param filp file pointer.
- * \param cmd command.
- * \param arg user argument pointing to a drm_ctx structure.
- * \return zero on success or a negative number on failure.
- */
-int DRM(getctx)( struct inode *inode, struct file *filp,
-		 unsigned int cmd, unsigned long arg )
-{
-	drm_ctx_t __user *argp = (void __user *)arg;
-	drm_ctx_t ctx;
-
-	if ( copy_from_user( &ctx, argp, sizeof(ctx) ) )
-		return -EFAULT;
-
-	/* This is 0, because we don't handle any context flags */
-	ctx.flags = 0;
-
-	if ( copy_to_user( argp, &ctx, sizeof(ctx) ) )
-		return -EFAULT;
-	return 0;
-}
-
-/**
- * Switch context.
- *
- * \param inode device inode.
- * \param filp file pointer.
- * \param cmd command.
- * \param arg user argument pointing to a drm_ctx structure.
- * \return zero on success or a negative number on failure.
- *
- * Calls context_switch().
- */
-int DRM(switchctx)( struct inode *inode, struct file *filp,
-		    unsigned int cmd, unsigned long arg )
-{
-	drm_file_t *priv = filp->private_data;
-	drm_device_t *dev = priv->dev;
-	drm_ctx_t ctx;
-
-	if ( copy_from_user( &ctx, (drm_ctx_t __user *)arg, sizeof(ctx) ) )
-		return -EFAULT;
-
-	DRM_DEBUG( "%d\n", ctx.handle );
-	return DRM(context_switch)( dev, dev->last_context, ctx.handle );
-}
-
-/**
- * New context.
- *
- * \param inode device inode.
- * \param filp file pointer.
- * \param cmd command.
- * \param arg user argument pointing to a drm_ctx structure.
- * \return zero on success or a negative number on failure.
- *
- * Calls context_switch_complete().
- */
-int DRM(newctx)( struct inode *inode, struct file *filp,
-		 unsigned int cmd, unsigned long arg )
-{
-	drm_file_t *priv = filp->private_data;
-	drm_device_t *dev = priv->dev;
-	drm_ctx_t ctx;
-
-	if ( copy_from_user( &ctx, (drm_ctx_t __user *)arg, sizeof(ctx) ) )
-		return -EFAULT;
-
-	DRM_DEBUG( "%d\n", ctx.handle );
-	DRM(context_switch_complete)( dev, ctx.handle );
-
-	return 0;
-}
-
-/**
- * Remove context.
- *
- * \param inode device inode.
- * \param filp file pointer.
- * \param cmd command.
- * \param arg user argument pointing to a drm_ctx structure.
- * \return zero on success or a negative number on failure.
- *
- * If not the special kernel context, calls ctxbitmap_free() to free the specified context.
- */
-int DRM(rmctx)( struct inode *inode, struct file *filp,
-		unsigned int cmd, unsigned long arg )
-{
-	drm_file_t *priv = filp->private_data;
-	drm_device_t *dev = priv->dev;
-	drm_ctx_t ctx;
-
-	if ( copy_from_user( &ctx, (drm_ctx_t __user *)arg, sizeof(ctx) ) )
-		return -EFAULT;
-
-	DRM_DEBUG( "%d\n", ctx.handle );
-	if ( ctx.handle == DRM_KERNEL_CONTEXT + 1 ) {
-		priv->remove_auth_on_close = 1;
-	}
-	if ( ctx.handle != DRM_KERNEL_CONTEXT ) {
-		if (dev->fn_tbl.context_dtor)
-			dev->fn_tbl.context_dtor(dev, ctx.handle);
-		DRM(ctxbitmap_free)( dev, ctx.handle );
-	}
-
-	down( &dev->ctxlist_sem );
-	if ( !list_empty( &dev->ctxlist->head ) ) {
-		drm_ctx_list_t *pos, *n;
-
-		list_for_each_entry_safe( pos, n, &dev->ctxlist->head, head ) {
-			if ( pos->handle == ctx.handle ) {
-				list_del( &pos->head );
-				DRM(free)( pos, sizeof(*pos), DRM_MEM_CTXLIST );
-				--dev->ctx_count;
-			}
-		}
-	}
-	up( &dev->ctxlist_sem );
-
-	return 0;
-}
-
-/*@}*/
-