From 9ca8dbcc65cfc63d6f5ef3312a33184e1d726e00 Mon Sep 17 00:00:00 2001 From: Yunhong Jiang Date: Tue, 4 Aug 2015 12:17:53 -0700 Subject: Add the rt linux 4.1.3-rt3 as base Import the rt linux 4.1.3-rt3 as OPNFV kvm base. It's from git://git.kernel.org/pub/scm/linux/kernel/git/rt/linux-rt-devel.git linux-4.1.y-rt and the base is: commit 0917f823c59692d751951bf5ea699a2d1e2f26a2 Author: Sebastian Andrzej Siewior Date: Sat Jul 25 12:13:34 2015 +0200 Prepare v4.1.3-rt3 Signed-off-by: Sebastian Andrzej Siewior We lose all the git history this way and it's not good. We should apply another opnfv project repo in future. Change-Id: I87543d81c9df70d99c5001fbdf646b202c19f423 Signed-off-by: Yunhong Jiang --- kernel/include/media/videobuf2-memops.h | 40 +++++++++++++++++++++++++++++++++ 1 file changed, 40 insertions(+) create mode 100644 kernel/include/media/videobuf2-memops.h (limited to 'kernel/include/media/videobuf2-memops.h') diff --git a/kernel/include/media/videobuf2-memops.h b/kernel/include/media/videobuf2-memops.h new file mode 100644 index 000000000..f05444ca8 --- /dev/null +++ b/kernel/include/media/videobuf2-memops.h @@ -0,0 +1,40 @@ +/* + * videobuf2-memops.h - generic memory handling routines for videobuf2 + * + * Copyright (C) 2010 Samsung Electronics + * + * Author: Pawel Osciak + * Marek Szyprowski + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation. + */ + +#ifndef _MEDIA_VIDEOBUF2_MEMOPS_H +#define _MEDIA_VIDEOBUF2_MEMOPS_H + +#include + +/** + * vb2_vmarea_handler - common vma refcount tracking handler + * @refcount: pointer to refcount entry in the buffer + * @put: callback to function that decreases buffer refcount + * @arg: argument for @put callback + */ +struct vb2_vmarea_handler { + atomic_t *refcount; + void (*put)(void *arg); + void *arg; +}; + +extern const struct vm_operations_struct vb2_common_vm_ops; + +int vb2_get_contig_userptr(unsigned long vaddr, unsigned long size, + struct vm_area_struct **res_vma, dma_addr_t *res_pa); + +struct vm_area_struct *vb2_get_vma(struct vm_area_struct *vma); +void vb2_put_vma(struct vm_area_struct *vma); + + +#endif -- cgit 1.2.3-korg