From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from eggs.gnu.org ([2001:4830:134:3::10]:48791) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1cUYwp-0001jI-G5 for qemu-devel@nongnu.org; Fri, 20 Jan 2017 08:09:44 -0500 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1cUYwl-0002XW-LV for qemu-devel@nongnu.org; Fri, 20 Jan 2017 08:09:43 -0500 Received: from mx1.redhat.com ([209.132.183.28]:50004) by eggs.gnu.org with esmtps (TLS1.0:DHE_RSA_AES_256_CBC_SHA1:32) (Exim 4.71) (envelope-from ) id 1cUYwl-0002XL-FY for qemu-devel@nongnu.org; Fri, 20 Jan 2017 08:09:39 -0500 From: Peter Xu Date: Fri, 20 Jan 2017 21:08:48 +0800 Message-Id: <1484917736-32056-13-git-send-email-peterx@redhat.com> In-Reply-To: <1484917736-32056-1-git-send-email-peterx@redhat.com> References: <1484917736-32056-1-git-send-email-peterx@redhat.com> Subject: [Qemu-devel] [PATCH RFC v4 12/20] memory: provide iommu_replay_all() List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: qemu-devel@nongnu.org Cc: tianyu.lan@intel.com, kevin.tian@intel.com, mst@redhat.com, jan.kiszka@siemens.com, jasowang@redhat.com, peterx@redhat.com, alex.williamson@redhat.com, bd.aviv@gmail.com This is an "global" version of exising memory_region_iommu_replay() - we announce the translations to all the registered notifiers, instead of a specific one. Signed-off-by: Peter Xu --- include/exec/memory.h | 8 ++++++++ memory.c | 9 +++++++++ 2 files changed, 17 insertions(+) diff --git a/include/exec/memory.h b/include/exec/memory.h index f0cb631..885c05f 100644 --- a/include/exec/memory.h +++ b/include/exec/memory.h @@ -711,6 +711,14 @@ void memory_region_iommu_replay(MemoryRegion *mr, IOMMUNotifier *n, bool is_write); /** + * memory_region_iommu_replay_all: replay existing IOMMU translations + * to all the notifiers registered. + * + * @mr: the memory region to observe + */ +void memory_region_iommu_replay_all(MemoryRegion *mr); + +/** * memory_region_unregister_iommu_notifier: unregister a notifier for * changes to IOMMU translation entries. * diff --git a/memory.c b/memory.c index d1ee3e0..068666a 100644 --- a/memory.c +++ b/memory.c @@ -1646,6 +1646,15 @@ void memory_region_iommu_replay(MemoryRegion *mr, IOMMUNotifier *n, } } +void memory_region_iommu_replay_all(MemoryRegion *mr) +{ + IOMMUNotifier *notifier; + + IOMMU_NOTIFIER_FOREACH(notifier, mr) { + memory_region_iommu_replay(mr, notifier, false); + } +} + void memory_region_unregister_iommu_notifier(MemoryRegion *mr, IOMMUNotifier *n) { -- 2.7.4