From: Lu Baolu <baolu.lu@linux.intel.com>
To: "Tian, Kevin" <kevin.tian@intel.com>,
Joerg Roedel <joro@8bytes.org>,
David Woodhouse <dwmw2@infradead.org>
Cc: baolu.lu@linux.intel.com, "Raj, Ashok" <ashok.raj@intel.com>,
"Kumar, Sanjay K" <sanjay.k.kumar@intel.com>,
"Pan, Jacob jun" <jacob.jun.pan@intel.com>,
"Liu, Yi L" <yi.l.liu@intel.com>,
"Sun, Yi Y" <yi.y.sun@intel.com>,
"peterx@redhat.com" <peterx@redhat.com>,
Jean-Philippe Brucker <jean-philippe.brucker@arm.com>,
"iommu@lists.linux-foundation.org"
<iommu@lists.linux-foundation.org>,
"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
Jacob Pan <jacob.jun.pan@linux.intel.com>
Subject: Re: [PATCH v2 08/12] iommu/vt-d: Pass pasid table to context mapping
Date: Fri, 7 Sep 2018 10:13:16 +0800 [thread overview]
Message-ID: <cbf798c6-180a-1c57-64c2-7713803eb888@linux.intel.com> (raw)
In-Reply-To: <AADFC41AFE54684AB9EE6CBC0274A5D1912F2C7A@SHSMSX101.ccr.corp.intel.com>
Hi,
On 09/06/2018 11:17 AM, Tian, Kevin wrote:
>> From: Lu Baolu [mailto:baolu.lu@linux.intel.com]
>> Sent: Thursday, August 30, 2018 9:35 AM
>>
>> So that the pasid related info, such as the pasid table and the
>> maximum of pasid could be used during setting up scalable mode
>> context.
>>
>> Cc: Ashok Raj <ashok.raj@intel.com>
>> Cc: Jacob Pan <jacob.jun.pan@linux.intel.com>
>> Cc: Kevin Tian <kevin.tian@intel.com>
>> Cc: Liu Yi L <yi.l.liu@intel.com>
>> Signed-off-by: Lu Baolu <baolu.lu@linux.intel.com>
>> Reviewed-by: Ashok Raj <ashok.raj@intel.com>
>
> Reviewed-by: Kevin Tian <kevin.tian@intel.com>
>
Thank you, Kevin.
Best regards,
Lu Baolu
>> ---
>> drivers/iommu/intel-iommu.c | 14 +++++++++++---
>> 1 file changed, 11 insertions(+), 3 deletions(-)
>>
>> diff --git a/drivers/iommu/intel-iommu.c b/drivers/iommu/intel-iommu.c
>> index c3bf2ccf094d..33642dd3d6ba 100644
>> --- a/drivers/iommu/intel-iommu.c
>> +++ b/drivers/iommu/intel-iommu.c
>> @@ -1942,6 +1942,7 @@ static void domain_exit(struct dmar_domain
>> *domain)
>>
>> static int domain_context_mapping_one(struct dmar_domain *domain,
>> struct intel_iommu *iommu,
>> + struct pasid_table *table,
>> u8 bus, u8 devfn)
>> {
>> u16 did = domain->iommu_did[iommu->seq_id];
>> @@ -2064,6 +2065,7 @@ static int domain_context_mapping_one(struct
>> dmar_domain *domain,
>> struct domain_context_mapping_data {
>> struct dmar_domain *domain;
>> struct intel_iommu *iommu;
>> + struct pasid_table *table;
>> };
>>
>> static int domain_context_mapping_cb(struct pci_dev *pdev,
>> @@ -2072,25 +2074,31 @@ static int domain_context_mapping_cb(struct
>> pci_dev *pdev,
>> struct domain_context_mapping_data *data = opaque;
>>
>> return domain_context_mapping_one(data->domain, data-
>>> iommu,
>> - PCI_BUS_NUM(alias), alias & 0xff);
>> + data->table, PCI_BUS_NUM(alias),
>> + alias & 0xff);
>> }
>>
>> static int
>> domain_context_mapping(struct dmar_domain *domain, struct device
>> *dev)
>> {
>> + struct domain_context_mapping_data data;
>> + struct pasid_table *table;
>> struct intel_iommu *iommu;
>> u8 bus, devfn;
>> - struct domain_context_mapping_data data;
>>
>> iommu = device_to_iommu(dev, &bus, &devfn);
>> if (!iommu)
>> return -ENODEV;
>>
>> + table = intel_pasid_get_table(dev);
>> +
>> if (!dev_is_pci(dev))
>> - return domain_context_mapping_one(domain, iommu, bus,
>> devfn);
>> + return domain_context_mapping_one(domain, iommu,
>> table,
>> + bus, devfn);
>>
>> data.domain = domain;
>> data.iommu = iommu;
>> + data.table = table;
>>
>> return pci_for_each_dma_alias(to_pci_dev(dev),
>> &domain_context_mapping_cb, &data);
>> --
>> 2.17.1
>
>
next prev parent reply other threads:[~2018-09-07 2:14 UTC|newest]
Thread overview: 31+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-08-30 1:35 [PATCH v2 00/12] iommu/vt-d: Add scalable mode support Lu Baolu
2018-08-30 1:35 ` [PATCH v2 01/12] iommu/vt-d: Enumerate the scalable mode capability Lu Baolu
2018-09-06 1:55 ` Tian, Kevin
2018-09-06 2:25 ` Lu Baolu
2018-08-30 1:35 ` [PATCH v2 02/12] iommu/vt-d: Manage scalalble mode PASID tables Lu Baolu
2018-09-06 2:14 ` Tian, Kevin
2018-09-06 2:46 ` Lu Baolu
2018-09-06 2:52 ` Tian, Kevin
2018-09-06 3:05 ` Lu Baolu
2018-09-06 23:43 ` Jacob Pan
2018-09-07 1:57 ` Lu Baolu
2018-08-30 1:35 ` [PATCH v2 03/12] iommu/vt-d: Move page table helpers into header Lu Baolu
2018-09-06 2:15 ` Tian, Kevin
2018-09-06 2:52 ` Lu Baolu
2018-08-30 1:35 ` [PATCH v2 04/12] iommu/vt-d: Add 256-bit invalidation descriptor support Lu Baolu
2018-09-06 2:39 ` Tian, Kevin
2018-09-07 2:11 ` Lu Baolu
2018-08-30 1:35 ` [PATCH v2 05/12] iommu/vt-d: Reserve a domain id for FL and PT modes Lu Baolu
2018-08-30 1:35 ` [PATCH v2 06/12] iommu/vt-d: Add second level page table interface Lu Baolu
2018-09-06 3:11 ` Tian, Kevin
2018-09-07 2:47 ` Lu Baolu
2018-09-07 17:43 ` Raj, Ashok
2018-09-13 5:52 ` Tian, Kevin
2018-08-30 1:35 ` [PATCH v2 07/12] iommu/vt-d: Setup pasid entry for RID2PASID support Lu Baolu
2018-08-30 1:35 ` [PATCH v2 08/12] iommu/vt-d: Pass pasid table to context mapping Lu Baolu
2018-09-06 3:17 ` Tian, Kevin
2018-09-07 2:13 ` Lu Baolu [this message]
2018-08-30 1:35 ` [PATCH v2 09/12] iommu/vt-d: Setup context and enable RID2PASID support Lu Baolu
2018-08-30 1:35 ` [PATCH v2 10/12] iommu/vt-d: Add first level page table interface Lu Baolu
2018-08-30 1:35 ` [PATCH v2 11/12] iommu/vt-d: Shared virtual address in scalable mode Lu Baolu
2018-08-30 1:35 ` [PATCH v2 12/12] iommu/vt-d: Remove deferred invalidation Lu Baolu
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