From mboxrd@z Thu Jan 1 00:00:00 1970 From: Santosh Shukla Subject: [PATCH v5 09/11] virtio_pci: do not parse if interface is vfio-noiommu Date: Tue, 19 Jan 2016 17:16:10 +0530 Message-ID: <1453203972-24855-10-git-send-email-sshukla@mvista.com> References: <1453203972-24855-1-git-send-email-sshukla@mvista.com> To: dev@dpdk.org Return-path: Received: from mail-pf0-f175.google.com (mail-pf0-f175.google.com [209.85.192.175]) by dpdk.org (Postfix) with ESMTP id 24DE391C9 for ; Tue, 19 Jan 2016 12:47:04 +0100 (CET) Received: by mail-pf0-f175.google.com with SMTP id 65so174250511pff.2 for ; Tue, 19 Jan 2016 03:47:04 -0800 (PST) In-Reply-To: <1453203972-24855-1-git-send-email-sshukla@mvista.com> List-Id: patches and discussions about DPDK List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dev-bounces@dpdk.org Sender: "dev" If virtio interface attached to vfio-noiommu driver then do not parse for virtio resource. Instead exit with return 0; Note: Applicable for virtio spec 0.95. Signed-off-by: Santosh Shukla --- v4-->v5: - added _NOIOMMU drv check for lagecy virtio. No need for resource_init in vfio case. And resource_pasrsing/interface validation done by pci_eal module for pmd driver. drivers/net/virtio/virtio_pci.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) diff --git a/drivers/net/virtio/virtio_pci.c b/drivers/net/virtio/virtio_pci.c index 537c552..520e540 100644 --- a/drivers/net/virtio/virtio_pci.c +++ b/drivers/net/virtio/virtio_pci.c @@ -514,7 +514,9 @@ virtio_resource_init_by_ioports(struct rte_pci_device *pci_dev) static int legacy_virtio_resource_init(struct rte_pci_device *pci_dev) { - if (virtio_resource_init_by_uio(pci_dev) == 0) + if (pci_dev->kdrv == RTE_KDRV_VFIO_NOIOMMU) + return 0; + else if (virtio_resource_init_by_uio(pci_dev) == 0) return 0; else return virtio_resource_init_by_ioports(pci_dev); -- 1.7.9.5