From patchwork Fri Nov 17 13:18:15 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Yi Liu X-Patchwork-Id: 13458963 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=intel.com header.i=@intel.com header.b="U9k8tKY8" Received: from mgamail.intel.com (mgamail.intel.com [134.134.136.20]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 1B868D56; Fri, 17 Nov 2023 05:18:21 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1700227101; x=1731763101; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=6LVGn0mZeI5bm1P07fZ8QF7siZDHe/ViBKX49RL5h8E=; b=U9k8tKY8KIUfz2veGNkiwWLFsy5mLSjFXh6NNRUVIQAuv1XbMAJRMILR ycKA2NqDGv0EU/zsOnRbyklYJOVSpQHHKRrmpIC3iu9+anU33RNmJ9VxM KeBm/cojdjM+wBVSrm5XYkxg7SaQHrKd7QZAfkQfq4D2bZOmJVmcxEZ6t xRaNVDvK+He8wX4tpbzsnYl9ENVPy+ZKEv3Ti5O48rzIOsEG2+PPIPPCN tvOZenIC8q2tm2eMo/VudcwCvuu6/MbtQrnUFqmuwHgK2CLyK/62JX14R oksJ5ziC9M3Opo9L4Dk4Y7x+0Lg8CorN8+HdZmWva6bWwBFreLlZ2TSaq g==; X-IronPort-AV: E=McAfee;i="6600,9927,10896"; a="381685601" X-IronPort-AV: E=Sophos;i="6.04,206,1695711600"; d="scan'208";a="381685601" Received: from orsmga008.jf.intel.com ([10.7.209.65]) by orsmga101.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 17 Nov 2023 05:18:20 -0800 X-ExtLoop1: 1 X-IronPort-AV: E=McAfee;i="6600,9927,10896"; a="794831202" X-IronPort-AV: E=Sophos;i="6.04,206,1695711600"; d="scan'208";a="794831202" Received: from 984fee00a4c6.jf.intel.com ([10.165.58.231]) by orsmga008.jf.intel.com with ESMTP; 17 Nov 2023 05:18:19 -0800 From: Yi Liu To: joro@8bytes.org, alex.williamson@redhat.com, jgg@nvidia.com, kevin.tian@intel.com, robin.murphy@arm.com, baolu.lu@linux.intel.com Cc: cohuck@redhat.com, eric.auger@redhat.com, nicolinc@nvidia.com, kvm@vger.kernel.org, mjrosato@linux.ibm.com, chao.p.peng@linux.intel.com, yi.l.liu@intel.com, yi.y.sun@linux.intel.com, peterx@redhat.com, jasowang@redhat.com, shameerali.kolothum.thodi@huawei.com, lulu@redhat.com, suravee.suthikulpanit@amd.com, iommu@lists.linux.dev, linux-kernel@vger.kernel.org, linux-kselftest@vger.kernel.org, zhenzhong.duan@intel.com, joao.m.martins@oracle.com, xin.zeng@intel.com, yan.y.zhao@intel.com Subject: [PATCH v7 2/3] iommu/vt-d: Make iotlb flush helpers to be extern Date: Fri, 17 Nov 2023 05:18:15 -0800 Message-Id: <20231117131816.24359-3-yi.l.liu@intel.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20231117131816.24359-1-yi.l.liu@intel.com> References: <20231117131816.24359-1-yi.l.liu@intel.com> Precedence: bulk X-Mailing-List: linux-kselftest@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 This makes the helpers visible to nested.c. Reviewed-by: Kevin Tian Signed-off-by: Yi Liu --- drivers/iommu/intel/iommu.c | 10 +++++----- drivers/iommu/intel/iommu.h | 6 ++++++ 2 files changed, 11 insertions(+), 5 deletions(-) diff --git a/drivers/iommu/intel/iommu.c b/drivers/iommu/intel/iommu.c index 3531b956556c..074b728a3e93 100644 --- a/drivers/iommu/intel/iommu.c +++ b/drivers/iommu/intel/iommu.c @@ -1512,10 +1512,10 @@ static void domain_flush_pasid_iotlb(struct intel_iommu *iommu, spin_unlock_irqrestore(&domain->lock, flags); } -static void iommu_flush_iotlb_psi(struct intel_iommu *iommu, - struct dmar_domain *domain, - unsigned long pfn, unsigned int pages, - int ih, int map) +void iommu_flush_iotlb_psi(struct intel_iommu *iommu, + struct dmar_domain *domain, + unsigned long pfn, unsigned int pages, + int ih, int map) { unsigned int aligned_pages = __roundup_pow_of_two(pages); unsigned int mask = ilog2(aligned_pages); @@ -1588,7 +1588,7 @@ static inline void __mapping_notify_one(struct intel_iommu *iommu, iommu_flush_write_buffer(iommu); } -static void intel_flush_iotlb_all(struct iommu_domain *domain) +void intel_flush_iotlb_all(struct iommu_domain *domain) { struct dmar_domain *dmar_domain = to_dmar_domain(domain); struct iommu_domain_info *info; diff --git a/drivers/iommu/intel/iommu.h b/drivers/iommu/intel/iommu.h index 65d37a138c75..4b779d5f7215 100644 --- a/drivers/iommu/intel/iommu.h +++ b/drivers/iommu/intel/iommu.h @@ -891,6 +891,12 @@ void device_block_translation(struct device *dev); int prepare_domain_attach_device(struct iommu_domain *domain, struct device *dev); void domain_update_iommu_cap(struct dmar_domain *domain); +void iommu_flush_iotlb_psi(struct intel_iommu *iommu, + struct dmar_domain *domain, + unsigned long pfn, unsigned int pages, + int ih, int map); +void intel_flush_iotlb_all(struct iommu_domain *domain); + int dmar_ir_support(void);