From mboxrd@z Thu Jan 1 00:00:00 1970 From: "Michael S. Tsirkin" Subject: [PATCH RFC 1/5] virtio_pci: add VIRTIO_PCI_NO_LEGACY Date: Thu, 11 Dec 2014 21:37:25 +0200 Message-ID: <1418326570-9541-2-git-send-email-mst@redhat.com> References: <1418326570-9541-1-git-send-email-mst@redhat.com> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Return-path: Content-Disposition: inline In-Reply-To: <1418326570-9541-1-git-send-email-mst@redhat.com> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: virtualization-bounces@lists.linux-foundation.org Errors-To: virtualization-bounces@lists.linux-foundation.org To: linux-kernel@vger.kernel.org Cc: linux-api@vger.kernel.org, virtualization@lists.linux-foundation.org List-Id: linux-api@vger.kernel.org Add macro to disable all legacy register defines. Helpful to make sure legacy macros don't leak through into modern code. Signed-off-by: Michael S. Tsirkin --- include/uapi/linux/virtio_pci.h | 15 ++++++++++----- 1 file changed, 10 insertions(+), 5 deletions(-) diff --git a/include/uapi/linux/virtio_pci.h b/include/uapi/linux/virtio_pci.h index e5ec1ca..35b552c 100644 --- a/include/uapi/linux/virtio_pci.h +++ b/include/uapi/linux/virtio_pci.h @@ -41,6 +41,8 @@ #include +#ifndef VIRTIO_PCI_NO_LEGACY + /* A 32-bit r/o bitmask of the features supported by the host */ #define VIRTIO_PCI_HOST_FEATURES 0 @@ -67,16 +69,11 @@ * a read-and-acknowledge. */ #define VIRTIO_PCI_ISR 19 -/* The bit of the ISR which indicates a device configuration change. */ -#define VIRTIO_PCI_ISR_CONFIG 0x2 - /* MSI-X registers: only enabled if MSI-X is enabled. */ /* A 16-bit vector for configuration changes. */ #define VIRTIO_MSI_CONFIG_VECTOR 20 /* A 16-bit vector for selected queue notifications. */ #define VIRTIO_MSI_QUEUE_VECTOR 22 -/* Vector value used to disable MSI for queue */ -#define VIRTIO_MSI_NO_VECTOR 0xffff /* The remaining space is defined by each driver as the per-driver * configuration space */ @@ -94,4 +91,12 @@ /* The alignment to use between consumer and producer parts of vring. * x86 pagesize again. */ #define VIRTIO_PCI_VRING_ALIGN 4096 + +#endif /* VIRTIO_PCI_NO_LEGACY */ + +/* The bit of the ISR which indicates a device configuration change. */ +#define VIRTIO_PCI_ISR_CONFIG 0x2 +/* Vector value used to disable MSI for queue */ +#define VIRTIO_MSI_NO_VECTOR 0xffff + #endif -- MST From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1758776AbaLKThk (ORCPT ); Thu, 11 Dec 2014 14:37:40 -0500 Received: from mx1.redhat.com ([209.132.183.28]:39863 "EHLO mx1.redhat.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1758760AbaLKThh (ORCPT ); Thu, 11 Dec 2014 14:37:37 -0500 Date: Thu, 11 Dec 2014 21:37:25 +0200 From: "Michael S. Tsirkin" To: linux-kernel@vger.kernel.org Cc: Rusty Russell , virtualization@lists.linux-foundation.org, cornelia.huck@de.ibm.com, linux-api@vger.kernel.org Subject: [PATCH RFC 1/5] virtio_pci: add VIRTIO_PCI_NO_LEGACY Message-ID: <1418326570-9541-2-git-send-email-mst@redhat.com> References: <1418326570-9541-1-git-send-email-mst@redhat.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <1418326570-9541-1-git-send-email-mst@redhat.com> X-Mutt-Fcc: =sent Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Add macro to disable all legacy register defines. Helpful to make sure legacy macros don't leak through into modern code. Signed-off-by: Michael S. Tsirkin --- include/uapi/linux/virtio_pci.h | 15 ++++++++++----- 1 file changed, 10 insertions(+), 5 deletions(-) diff --git a/include/uapi/linux/virtio_pci.h b/include/uapi/linux/virtio_pci.h index e5ec1ca..35b552c 100644 --- a/include/uapi/linux/virtio_pci.h +++ b/include/uapi/linux/virtio_pci.h @@ -41,6 +41,8 @@ #include +#ifndef VIRTIO_PCI_NO_LEGACY + /* A 32-bit r/o bitmask of the features supported by the host */ #define VIRTIO_PCI_HOST_FEATURES 0 @@ -67,16 +69,11 @@ * a read-and-acknowledge. */ #define VIRTIO_PCI_ISR 19 -/* The bit of the ISR which indicates a device configuration change. */ -#define VIRTIO_PCI_ISR_CONFIG 0x2 - /* MSI-X registers: only enabled if MSI-X is enabled. */ /* A 16-bit vector for configuration changes. */ #define VIRTIO_MSI_CONFIG_VECTOR 20 /* A 16-bit vector for selected queue notifications. */ #define VIRTIO_MSI_QUEUE_VECTOR 22 -/* Vector value used to disable MSI for queue */ -#define VIRTIO_MSI_NO_VECTOR 0xffff /* The remaining space is defined by each driver as the per-driver * configuration space */ @@ -94,4 +91,12 @@ /* The alignment to use between consumer and producer parts of vring. * x86 pagesize again. */ #define VIRTIO_PCI_VRING_ALIGN 4096 + +#endif /* VIRTIO_PCI_NO_LEGACY */ + +/* The bit of the ISR which indicates a device configuration change. */ +#define VIRTIO_PCI_ISR_CONFIG 0x2 +/* Vector value used to disable MSI for queue */ +#define VIRTIO_MSI_NO_VECTOR 0xffff + #endif -- MST