From mboxrd@z Thu Jan 1 00:00:00 1970 From: Jonas Pfefferle Subject: [PATCH] pci: get IOMMU class sPAPR iommu fix Date: Fri, 3 Nov 2017 13:05:19 +0100 Message-ID: <1509710719-17741-1-git-send-email-jpf@zurich.ibm.com> Cc: thomas@monjalon.net, anatoly.burakov@intel.com, Jonas Pfefferle To: dev@dpdk.org Return-path: Received: from mx0a-001b2d01.pphosted.com (mx0b-001b2d01.pphosted.com [148.163.158.5]) by dpdk.org (Postfix) with ESMTP id 62DFE1B640 for ; Fri, 3 Nov 2017 13:05:28 +0100 (CET) Received: from pps.filterd (m0098416.ppops.net [127.0.0.1]) by mx0b-001b2d01.pphosted.com (8.16.0.21/8.16.0.21) with SMTP id vA3C085e015953 for ; Fri, 3 Nov 2017 08:05:27 -0400 Received: from e06smtp13.uk.ibm.com (e06smtp13.uk.ibm.com [195.75.94.109]) by mx0b-001b2d01.pphosted.com with ESMTP id 2e0kweeqqp-1 (version=TLSv1.2 cipher=AES256-SHA bits=256 verify=NOT) for ; Fri, 03 Nov 2017 08:05:27 -0400 Received: from localhost by e06smtp13.uk.ibm.com with IBM ESMTP SMTP Gateway: Authorized Use Only! Violators will be prosecuted for from ; Fri, 3 Nov 2017 12:05:25 -0000 List-Id: DPDK patches and discussions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dev-bounces@dpdk.org Sender: "dev" PPC64 sPAPR iommu does not support iova as va. Use pa mode instead. Signed-off-by: Jonas Pfefferle --- drivers/bus/pci/linux/pci.c | 11 ++++++++++- 1 file changed, 10 insertions(+), 1 deletion(-) diff --git a/drivers/bus/pci/linux/pci.c b/drivers/bus/pci/linux/pci.c index cdf8106..6a58c5f 100644 --- a/drivers/bus/pci/linux/pci.c +++ b/drivers/bus/pci/linux/pci.c @@ -586,6 +586,12 @@ rte_pci_get_iommu_class(void) bool is_vfio_noiommu_enabled = true; bool has_iova_va; bool is_bound_uio; + bool spapr_iommu = +#if defined(RTE_ARCH_PPC64) + true; +#else + false; +#endif is_bound = pci_one_device_is_bound(); if (!is_bound) @@ -598,7 +604,8 @@ rte_pci_get_iommu_class(void) true : false; #endif - if (has_iova_va && !is_bound_uio && !is_vfio_noiommu_enabled) + if (has_iova_va && !is_bound_uio && !is_vfio_noiommu_enabled && + !spapr_iommu) return RTE_IOVA_VA; if (has_iova_va) { @@ -607,6 +614,8 @@ rte_pci_get_iommu_class(void) RTE_LOG(WARNING, EAL, "vfio-noiommu mode configured\n"); if (is_bound_uio) RTE_LOG(WARNING, EAL, "few device bound to UIO\n"); + if (spapr_iommu) + RTE_LOG(WARNING, EAL, "sPAPR iommu does not support iova as va\n"); } return RTE_IOVA_PA; -- 2.7.4