From: Lu Baolu <baolu.lu@linux.intel.com> To: Joerg Roedel <joro@8bytes.org>, Jason Gunthorpe <jgg@nvidia.com>, Christoph Hellwig <hch@infradead.org>, Kevin Tian <kevin.tian@intel.com>, Ashok Raj <ashok.raj@intel.com>, Will Deacon <will@kernel.org>, Robin Murphy <robin.murphy@arm.com>, Jean-Philippe Brucker <jean-philippe@linaro.com>, Dave Jiang <dave.jiang@intel.com>, Vinod Koul <vkoul@kernel.org> Cc: Eric Auger <eric.auger@redhat.com>, Liu Yi L <yi.l.liu@intel.com>, Jacob jun Pan <jacob.jun.pan@intel.com>, iommu@lists.linux-foundation.org, linux-kernel@vger.kernel.org, Lu Baolu <baolu.lu@linux.intel.com> Subject: [PATCH v5 06/12] iommu/vt-d: Add SVA domain support Date: Mon, 2 May 2022 09:48:36 +0800 [thread overview] Message-ID: <20220502014842.991097-7-baolu.lu@linux.intel.com> (raw) In-Reply-To: <20220502014842.991097-1-baolu.lu@linux.intel.com> Add support for SVA domain allocation and provide an SVA-specific iommu_domain_ops. Signed-off-by: Lu Baolu <baolu.lu@linux.intel.com> --- include/linux/intel-iommu.h | 1 + drivers/iommu/intel/iommu.c | 10 ++++++++++ drivers/iommu/intel/svm.c | 37 +++++++++++++++++++++++++++++++++++++ 3 files changed, 48 insertions(+) diff --git a/include/linux/intel-iommu.h b/include/linux/intel-iommu.h index 72e5d7900e71..3b4ca16f53e2 100644 --- a/include/linux/intel-iommu.h +++ b/include/linux/intel-iommu.h @@ -744,6 +744,7 @@ void intel_svm_unbind(struct iommu_sva *handle); u32 intel_svm_get_pasid(struct iommu_sva *handle); int intel_svm_page_response(struct device *dev, struct iommu_fault_event *evt, struct iommu_page_response *msg); +extern const struct iommu_domain_ops intel_svm_domain_ops; struct intel_svm_dev { struct list_head list; diff --git a/drivers/iommu/intel/iommu.c b/drivers/iommu/intel/iommu.c index 170eb777d57b..5d1d3e325afa 100644 --- a/drivers/iommu/intel/iommu.c +++ b/drivers/iommu/intel/iommu.c @@ -4330,6 +4330,16 @@ static struct iommu_domain *intel_iommu_domain_alloc(unsigned type) return domain; case IOMMU_DOMAIN_IDENTITY: return &si_domain->domain; +#ifdef CONFIG_INTEL_IOMMU_SVM + case IOMMU_DOMAIN_SVA: + dmar_domain = alloc_domain(type); + if (!dmar_domain) + return NULL; + domain = &dmar_domain->domain; + domain->ops = &intel_svm_domain_ops; + + return domain; +#endif /* CONFIG_INTEL_IOMMU_SVM */ default: return NULL; } diff --git a/drivers/iommu/intel/svm.c b/drivers/iommu/intel/svm.c index 574ddddaa33a..ec684d883014 100644 --- a/drivers/iommu/intel/svm.c +++ b/drivers/iommu/intel/svm.c @@ -931,3 +931,40 @@ int intel_svm_page_response(struct device *dev, mutex_unlock(&pasid_mutex); return ret; } + +static int intel_svm_attach_dev_pasid(struct iommu_domain *domain, + struct device *dev, ioasid_t pasid) +{ + struct device_domain_info *info = dev_iommu_priv_get(dev); + struct mm_struct *mm = iommu_sva_domain_mm(domain); + struct intel_iommu *iommu = info->iommu; + struct iommu_sva *sva; + int ret = 0; + + mutex_lock(&pasid_mutex); + sva = intel_svm_bind_mm(iommu, dev, mm); + if (IS_ERR(sva)) + ret = PTR_ERR(sva); + mutex_unlock(&pasid_mutex); + + return ret; +} + +static void intel_svm_detach_dev_pasid(struct iommu_domain *domain, + struct device *dev, ioasid_t pasid) +{ + mutex_lock(&pasid_mutex); + intel_svm_unbind_mm(dev, pasid); + mutex_unlock(&pasid_mutex); +} + +static void intel_svm_domain_free(struct iommu_domain *domain) +{ + kfree(to_dmar_domain(domain)); +} + +const struct iommu_domain_ops intel_svm_domain_ops = { + .attach_dev_pasid = intel_svm_attach_dev_pasid, + .detach_dev_pasid = intel_svm_detach_dev_pasid, + .free = intel_svm_domain_free, +}; -- 2.25.1
WARNING: multiple messages have this Message-ID (diff)
From: Lu Baolu <baolu.lu@linux.intel.com> To: Joerg Roedel <joro@8bytes.org>, Jason Gunthorpe <jgg@nvidia.com>, Christoph Hellwig <hch@infradead.org>, Kevin Tian <kevin.tian@intel.com>, Ashok Raj <ashok.raj@intel.com>, Will Deacon <will@kernel.org>, Robin Murphy <robin.murphy@arm.com>, Jean-Philippe Brucker <jean-philippe@linaro.com>, Dave Jiang <dave.jiang@intel.com>, Vinod Koul <vkoul@kernel.org> Cc: linux-kernel@vger.kernel.org, iommu@lists.linux-foundation.org, Jacob jun Pan <jacob.jun.pan@intel.com> Subject: [PATCH v5 06/12] iommu/vt-d: Add SVA domain support Date: Mon, 2 May 2022 09:48:36 +0800 [thread overview] Message-ID: <20220502014842.991097-7-baolu.lu@linux.intel.com> (raw) In-Reply-To: <20220502014842.991097-1-baolu.lu@linux.intel.com> Add support for SVA domain allocation and provide an SVA-specific iommu_domain_ops. Signed-off-by: Lu Baolu <baolu.lu@linux.intel.com> --- include/linux/intel-iommu.h | 1 + drivers/iommu/intel/iommu.c | 10 ++++++++++ drivers/iommu/intel/svm.c | 37 +++++++++++++++++++++++++++++++++++++ 3 files changed, 48 insertions(+) diff --git a/include/linux/intel-iommu.h b/include/linux/intel-iommu.h index 72e5d7900e71..3b4ca16f53e2 100644 --- a/include/linux/intel-iommu.h +++ b/include/linux/intel-iommu.h @@ -744,6 +744,7 @@ void intel_svm_unbind(struct iommu_sva *handle); u32 intel_svm_get_pasid(struct iommu_sva *handle); int intel_svm_page_response(struct device *dev, struct iommu_fault_event *evt, struct iommu_page_response *msg); +extern const struct iommu_domain_ops intel_svm_domain_ops; struct intel_svm_dev { struct list_head list; diff --git a/drivers/iommu/intel/iommu.c b/drivers/iommu/intel/iommu.c index 170eb777d57b..5d1d3e325afa 100644 --- a/drivers/iommu/intel/iommu.c +++ b/drivers/iommu/intel/iommu.c @@ -4330,6 +4330,16 @@ static struct iommu_domain *intel_iommu_domain_alloc(unsigned type) return domain; case IOMMU_DOMAIN_IDENTITY: return &si_domain->domain; +#ifdef CONFIG_INTEL_IOMMU_SVM + case IOMMU_DOMAIN_SVA: + dmar_domain = alloc_domain(type); + if (!dmar_domain) + return NULL; + domain = &dmar_domain->domain; + domain->ops = &intel_svm_domain_ops; + + return domain; +#endif /* CONFIG_INTEL_IOMMU_SVM */ default: return NULL; } diff --git a/drivers/iommu/intel/svm.c b/drivers/iommu/intel/svm.c index 574ddddaa33a..ec684d883014 100644 --- a/drivers/iommu/intel/svm.c +++ b/drivers/iommu/intel/svm.c @@ -931,3 +931,40 @@ int intel_svm_page_response(struct device *dev, mutex_unlock(&pasid_mutex); return ret; } + +static int intel_svm_attach_dev_pasid(struct iommu_domain *domain, + struct device *dev, ioasid_t pasid) +{ + struct device_domain_info *info = dev_iommu_priv_get(dev); + struct mm_struct *mm = iommu_sva_domain_mm(domain); + struct intel_iommu *iommu = info->iommu; + struct iommu_sva *sva; + int ret = 0; + + mutex_lock(&pasid_mutex); + sva = intel_svm_bind_mm(iommu, dev, mm); + if (IS_ERR(sva)) + ret = PTR_ERR(sva); + mutex_unlock(&pasid_mutex); + + return ret; +} + +static void intel_svm_detach_dev_pasid(struct iommu_domain *domain, + struct device *dev, ioasid_t pasid) +{ + mutex_lock(&pasid_mutex); + intel_svm_unbind_mm(dev, pasid); + mutex_unlock(&pasid_mutex); +} + +static void intel_svm_domain_free(struct iommu_domain *domain) +{ + kfree(to_dmar_domain(domain)); +} + +const struct iommu_domain_ops intel_svm_domain_ops = { + .attach_dev_pasid = intel_svm_attach_dev_pasid, + .detach_dev_pasid = intel_svm_detach_dev_pasid, + .free = intel_svm_domain_free, +}; -- 2.25.1 _______________________________________________ iommu mailing list iommu@lists.linux-foundation.org https://lists.linuxfoundation.org/mailman/listinfo/iommu
next prev parent reply other threads:[~2022-05-02 1:52 UTC|newest] Thread overview: 60+ messages / expand[flat|nested] mbox.gz Atom feed top 2022-05-02 1:48 [PATCH v5 00/12] iommu: SVA and IOPF refactoring Lu Baolu 2022-05-02 1:48 ` Lu Baolu 2022-05-02 1:48 ` [PATCH v5 01/12] dmaengine: idxd: Separate user and kernel pasid enabling Lu Baolu 2022-05-02 1:48 ` Lu Baolu 2022-05-02 1:48 ` [PATCH v5 02/12] iommu: Add pasid_bits field in struct dev_iommu Lu Baolu 2022-05-02 1:48 ` Lu Baolu 2022-05-03 18:02 ` Jean-Philippe Brucker 2022-05-03 18:02 ` Jean-Philippe Brucker 2022-05-05 6:25 ` Baolu Lu 2022-05-05 6:25 ` Baolu Lu 2022-05-02 1:48 ` [PATCH v5 03/12] iommu: Add attach/detach_dev_pasid domain ops Lu Baolu 2022-05-02 1:48 ` Lu Baolu 2022-05-03 18:07 ` Jean-Philippe Brucker 2022-05-03 18:07 ` Jean-Philippe Brucker 2022-05-05 6:28 ` Baolu Lu 2022-05-05 6:28 ` Baolu Lu 2022-05-02 1:48 ` [PATCH v5 04/12] iommu/sva: Basic data structures for SVA Lu Baolu 2022-05-02 1:48 ` Lu Baolu 2022-05-03 18:09 ` Jean-Philippe Brucker 2022-05-03 18:09 ` Jean-Philippe Brucker 2022-05-05 6:42 ` Baolu Lu 2022-05-05 6:42 ` Baolu Lu 2022-05-07 8:32 ` Baolu Lu 2022-05-07 8:32 ` Baolu Lu 2022-05-07 12:39 ` Baolu Lu 2022-05-07 12:39 ` Baolu Lu 2022-05-02 1:48 ` [PATCH v5 05/12] iommu/vt-d: Remove SVM_FLAG_SUPERVISOR_MODE support Lu Baolu 2022-05-02 1:48 ` Lu Baolu 2022-05-02 1:48 ` Lu Baolu [this message] 2022-05-02 1:48 ` [PATCH v5 06/12] iommu/vt-d: Add SVA domain support Lu Baolu 2022-05-02 1:48 ` [PATCH v5 07/12] arm-smmu-v3/sva: " Lu Baolu 2022-05-02 1:48 ` Lu Baolu 2022-05-03 18:12 ` Jean-Philippe Brucker 2022-05-03 18:12 ` Jean-Philippe Brucker 2022-05-05 7:09 ` Baolu Lu 2022-05-05 7:09 ` Baolu Lu 2022-05-02 1:48 ` [PATCH v5 08/12] iommu/sva: Use attach/detach_pasid_dev in SVA interfaces Lu Baolu 2022-05-02 1:48 ` Lu Baolu 2022-05-02 1:48 ` [PATCH v5 09/12] iommu: Remove SVA related callbacks from iommu ops Lu Baolu 2022-05-02 1:48 ` Lu Baolu 2022-05-03 18:14 ` Jean-Philippe Brucker 2022-05-03 18:14 ` Jean-Philippe Brucker 2022-05-02 1:48 ` [PATCH v5 10/12] iommu: Prepare IOMMU domain for IOPF Lu Baolu 2022-05-02 1:48 ` Lu Baolu 2022-05-03 18:20 ` Jean-Philippe Brucker 2022-05-03 18:20 ` Jean-Philippe Brucker 2022-05-05 8:31 ` Baolu Lu 2022-05-05 8:31 ` Baolu Lu 2022-05-05 13:38 ` Jean-Philippe Brucker 2022-05-05 13:38 ` Jean-Philippe Brucker 2022-05-06 5:40 ` Baolu Lu 2022-05-06 5:40 ` Baolu Lu 2022-05-02 1:48 ` [PATCH v5 11/12] iommu: Per-domain I/O page fault handling Lu Baolu 2022-05-02 1:48 ` Lu Baolu 2022-05-03 18:27 ` Jean-Philippe Brucker 2022-05-03 18:27 ` Jean-Philippe Brucker 2022-05-02 1:48 ` [PATCH v5 12/12] iommu: Rename iommu-sva-lib.{c,h} Lu Baolu 2022-05-02 1:48 ` Lu Baolu 2022-05-03 18:28 ` Jean-Philippe Brucker 2022-05-03 18:28 ` Jean-Philippe Brucker
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