patch-2.4.8 linux/drivers/char/drm/ctxbitmap.c

• Lines: 86
• Date: Wed Dec 31 16:00:00 1969
• Orig file: v2.4.7/linux/drivers/char/drm/ctxbitmap.c
• Orig date: Fri Jul 21 12:56:44 2000

diff -u --recursive --new-file v2.4.7/linux/drivers/char/drm/ctxbitmap.c linux/drivers/char/drm/ctxbitmap.c
@@ -1,85 +0,0 @@
-/* ctxbitmap.c -- Context bitmap management -*- linux-c -*-
- * Created: Thu Jan 6 03:56:42 2000 by jhartmann@precisioninsight.com
- * 
- * Copyright 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
- * 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.
- *
- * Author: Jeff Hartmann <jhartmann@valinux.com>
- *
- */
-
-#define __NO_VERSION__
-#include "drmP.h"
-
-void drm_ctxbitmap_free(drm_device_t *dev, int ctx_handle)
-{
-	if (ctx_handle < 0) goto failed;
-
-	if (ctx_handle < DRM_MAX_CTXBITMAP) {
-		clear_bit(ctx_handle, dev->ctx_bitmap);
-		return;
-	}
-failed:
-       	DRM_ERROR("Attempt to free invalid context handle: %d\n",
-		  ctx_handle);
-       	return;
-}
-
-int drm_ctxbitmap_next(drm_device_t *dev)
-{
-	int bit;
-
-	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);
-		return bit;
-	}
-	return -1;
-}
-
-int drm_ctxbitmap_init(drm_device_t *dev)
-{
-	int i;
-   	int temp;
-
-	dev->ctx_bitmap = (unsigned long *) drm_alloc(PAGE_SIZE, 
-						      DRM_MEM_CTXBITMAP);
-	if(dev->ctx_bitmap == NULL) {
-		return -ENOMEM;
-	}
-	memset((void *) dev->ctx_bitmap, 0, PAGE_SIZE);
-	for(i = 0; i < DRM_RESERVED_CONTEXTS; i++) {
-		temp = drm_ctxbitmap_next(dev);
-	   	DRM_DEBUG("drm_ctxbitmap_init : %d\n", temp);
-	}
-
-	return 0;
-}
-
-void drm_ctxbitmap_cleanup(drm_device_t *dev)
-{
-	drm_free((void *)dev->ctx_bitmap, PAGE_SIZE,
-		 DRM_MEM_CTXBITMAP);
-}
-