diff options
Diffstat (limited to 'linux/drm_sg.h')
-rw-r--r-- | linux/drm_sg.h | 65 |
1 files changed, 0 insertions, 65 deletions
diff --git a/linux/drm_sg.h b/linux/drm_sg.h deleted file mode 100644 index afd80ef0..00000000 --- a/linux/drm_sg.h +++ /dev/null @@ -1,65 +0,0 @@ -/** - * \file drm_sg.h - * IOCTLs to manage scatter/gather memory - * - * \author Gareth Hughes <gareth@valinux.com> - */ - -/* - * 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. - */ - - -#ifndef _DRM_SCATTER_H_ -#define _DRM_SCATTER_H_ - - -/** - * Scatter/gather memory entry. - * - * This structure is used by sg_alloc() sg_free() to store all the necessary - * information about a scatter/gather memory block. - * - * Also one instance of this structure is used to hold the user-space - * allocation done via the sg_alloc_ioctl() and sg_free_ioctl() ioctl's. - */ -typedef struct drm_sg_mem { - unsigned long handle; - void *virtual; /**< virtual address */ - int pages; - struct page **pagelist; - dma_addr_t *busaddr; /**< bus address */ -} drm_sg_mem_t; - - -/** \name Prototypes */ -/*@{*/ -extern void DRM(sg_free)( drm_sg_mem_t *entry ); -extern drm_sg_mem_t * DRM(sg_alloc)( unsigned long size ); -extern int DRM(sg_alloc_ioctl)(struct inode *inode, struct file *filp, unsigned int cmd, unsigned long arg); -extern int DRM(sg_free_ioctl)(struct inode *inode, struct file *filp, unsigned int cmd, unsigned long arg); -extern void DRM(sg_cleanup)(drm_device_t *dev); -/*@}*/ - - -#endif |