Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S932100Ab2F0FJX (ORCPT ); Wed, 27 Jun 2012 01:09:23 -0400 Received: from mx1.redhat.com ([209.132.183.28]:32040 "EHLO mx1.redhat.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751756Ab2F0FJV (ORCPT ); Wed, 27 Jun 2012 01:09:21 -0400 From: Alex Williamson Subject: [PATCH v2 2/6] kvm: Add missing KVM_IRQFD API documentation To: avi@redhat.com, mst@redhat.com Cc: kvm@vger.kernel.org, linux-kernel@vger.kernel.org, jan.kiszka@siemens.com Date: Tue, 26 Jun 2012 23:09:17 -0600 Message-ID: <20120627050910.23698.82393.stgit@bling.home> In-Reply-To: <20120627044758.23698.249.stgit@bling.home> References: <20120627044758.23698.249.stgit@bling.home> User-Agent: StGIT/0.14.3 MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1454 Lines: 39 Signed-off-by: Alex Williamson --- Documentation/virtual/kvm/api.txt | 16 ++++++++++++++++ 1 file changed, 16 insertions(+) diff --git a/Documentation/virtual/kvm/api.txt b/Documentation/virtual/kvm/api.txt index 310fe50..ea9edce 100644 --- a/Documentation/virtual/kvm/api.txt +++ b/Documentation/virtual/kvm/api.txt @@ -1965,6 +1965,22 @@ return the hash table order in the parameter. (If the guest is using the virtualized real-mode area (VRMA) facility, the kernel will re-create the VMRA HPTEs on the next KVM_RUN of any vcpu.) +4.76 KVM_IRQFD + +Capability: KVM_CAP_IRQFD +Architectures: x86 +Type: vm ioctl +Parameters: struct kvm_irqfd (in) +Returns: 0 on success, -1 on error + +Allows setting an eventfd to directly trigger a guest interrupt. +kvm_irqfd.fd specifies the file descriptor to use as the eventfd and +kvm_irqfd.gsi specifies the irqchip pin toggled by this event. When +an event is tiggered on the eventfd, an interrupt is injected into +the guest using the specified gsi pin. The irqfd is removed using +the KVM_IRQFD_FLAG_DEASSIGN flag, specifying both kvm_irqfd.fd +and kvm_irqfd.gsi. + 5. The kvm_run structure ------------------------ -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/