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From: Wang Xingang <wangxingang5@huawei.com>
To: Auger Eric <eric.auger@redhat.com>
Cc: <alex.williamson@redhat.com>, <eric.auger.pro@gmail.com>,
	<iommu@lists.linux-foundation.org>, <jean-philippe@linaro.org>,
	<joro@8bytes.org>, <kvm@vger.kernel.org>,
	<kvmarm@lists.cs.columbia.edu>, <linux-kernel@vger.kernel.org>,
	<maz@kernel.org>, <robin.murphy@arm.com>, <vivek.gautam@arm.com>,
	<will@kernel.org>, <zhangfei.gao@linaro.org>,
	<xieyingtai@huawei.com>
Subject: Re: [PATCH v13 07/15] iommu/smmuv3: Allow stage 1 invalidation with unmanaged ASIDs
Date: Wed, 2 Dec 2020 20:59:52 +0800	[thread overview]
Message-ID: <8cf8fa21-41e3-f3f9-81e4-90f0bfc26fc0@huawei.com> (raw)
In-Reply-To: <2e69adf5-8207-64f7-fa8e-9f2bd3a3c4e3@redhat.com>

Thanks for your reply. We are testing vSVA, and will let you know if
other problems are found.

On 2020/12/1 21:58, Auger Eric wrote:
> Hi Xingang,
> 
> On 12/1/20 2:33 PM, Xingang Wang wrote:
>> Hi Eric
>>
>> On  Wed, 18 Nov 2020 12:21:43, Eric Auger wrote:
>>> @@ -1710,7 +1710,11 @@ static void arm_smmu_tlb_inv_context(void *cookie)
>>> 	 * insertion to guarantee those are observed before the TLBI. Do be
>>> 	 * careful, 007.
>>> 	 */
>>> -	if (smmu_domain->stage == ARM_SMMU_DOMAIN_S1) {
>>> +	if (ext_asid >= 0) { /* guest stage 1 invalidation */
>>> +		cmd.opcode	= CMDQ_OP_TLBI_NH_ASID;
>>> +		cmd.tlbi.asid	= ext_asid;
>>> +		cmd.tlbi.vmid	= smmu_domain->s2_cfg.vmid;
>>> +	} else if (smmu_domain->stage == ARM_SMMU_DOMAIN_S1) {
>>
>> Found a problem here, the cmd for guest stage 1 invalidation is built,
>> but it is not delivered to smmu.
>>
> 
> Thank you for the report. I will fix that soon. With that fixed, have
> you been able to run vSVA on top of the series. Do you need other stuff
> to be fixed at SMMU level? As I am going to respin soon, please let me
> know what is the best branch to rebase to alleviate your integration.
> 
> Best Regards
> 
> Eric
> 
> .
> 

  reply	other threads:[~2020-12-02 13:00 UTC|newest]

Thread overview: 57+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-11-18 11:21 [PATCH v13 00/15] SMMUv3 Nested Stage Setup (IOMMU part) Eric Auger
2020-11-18 11:21 ` [PATCH v13 01/15] iommu: Introduce attach/detach_pasid_table API Eric Auger
2020-11-18 16:19   ` Jacob Pan
2020-11-19 17:02     ` Auger Eric
2021-02-01 11:27   ` Keqian Zhu
2021-02-01 17:18     ` Auger Eric
2020-11-18 11:21 ` [PATCH v13 02/15] iommu: Introduce bind/unbind_guest_msi Eric Auger
2021-02-01 11:52   ` Keqian Zhu
2021-02-12  8:55     ` Auger Eric
2021-02-18  8:43       ` Keqian Zhu
2021-02-18 10:35         ` Auger Eric
2020-11-18 11:21 ` [PATCH v13 03/15] iommu/arm-smmu-v3: Maintain a SID->device structure Eric Auger
2021-02-01 12:26   ` Keqian Zhu
2021-02-01 15:15     ` Jean-Philippe Brucker
2021-02-02  6:39       ` Keqian Zhu
2021-02-01 17:19     ` Auger Eric
2021-02-02  7:20       ` Keqian Zhu
2020-11-18 11:21 ` [PATCH v13 04/15] iommu/smmuv3: Allow s1 and s2 configs to coexist Eric Auger
2021-02-01 12:35   ` Keqian Zhu
2020-11-18 11:21 ` [PATCH v13 05/15] iommu/smmuv3: Get prepared for nested stage support Eric Auger
2020-11-19  3:59   ` kernel test robot
     [not found]   ` <a40b90bd-6756-c8cc-b455-c093d16d35f5@huawei.com>
2020-12-03 13:01     ` Auger Eric
2020-12-03 13:23       ` Kunkun Jiang
2020-12-09 14:26   ` Shameerali Kolothum Thodi
2021-02-02  7:14   ` Keqian Zhu
2021-02-11 17:36     ` Auger Eric
2020-11-18 11:21 ` [PATCH v13 06/15] iommu/smmuv3: Implement attach/detach_pasid_table Eric Auger
2021-02-02  8:03   ` Keqian Zhu
2021-02-11 17:35     ` Auger Eric
2020-11-18 11:21 ` [PATCH v13 07/15] iommu/smmuv3: Allow stage 1 invalidation with unmanaged ASIDs Eric Auger
2020-12-01 13:33   ` Xingang Wang
2020-12-01 13:58     ` Auger Eric
2020-12-02 12:59       ` Wang Xingang [this message]
2020-12-03 18:42       ` Shameerali Kolothum Thodi
2020-12-04  9:53         ` Jean-Philippe Brucker
2020-12-04 10:20           ` Shameerali Kolothum Thodi
2020-12-04 10:23             ` Auger Eric
2021-01-14 16:58               ` Auger Eric
2021-01-14 17:09                 ` Shameerali Kolothum Thodi
2021-01-14 17:33                 ` Jean-Philippe Brucker
2021-01-14 18:00                   ` Auger Eric
2021-02-15 13:17         ` Auger Eric
2020-11-18 11:21 ` [PATCH v13 08/15] iommu/smmuv3: Implement cache_invalidate Eric Auger
2020-11-18 11:21 ` [PATCH v13 09/15] dma-iommu: Implement NESTED_MSI cookie Eric Auger
2020-11-18 11:21 ` [PATCH v13 10/15] iommu/smmuv3: Nested mode single MSI doorbell per domain enforcement Eric Auger
2020-11-18 11:21 ` [PATCH v13 11/15] iommu/smmuv3: Enforce incompatibility between nested mode and HW MSI regions Eric Auger
2020-11-18 11:21 ` [PATCH v13 12/15] iommu/smmuv3: Implement bind/unbind_guest_msi Eric Auger
2020-11-18 11:21 ` [PATCH v13 13/15] iommu/smmuv3: Report non recoverable faults Eric Auger
2020-11-18 11:21 ` [PATCH v13 14/15] iommu/smmuv3: Accept configs with more than one context descriptor Eric Auger
2020-11-18 11:21 ` [PATCH v13 15/15] iommu/smmuv3: Add PASID cache invalidation per PASID Eric Auger
2021-01-08 17:05 ` [PATCH v13 00/15] SMMUv3 Nested Stage Setup (IOMMU part) Shameerali Kolothum Thodi
2021-01-13 15:37   ` Auger Eric
2021-02-21 18:21   ` Auger Eric
2021-02-22  8:56     ` Shameerali Kolothum Thodi
2021-03-15 18:04 ` Krishna Reddy
2021-03-16  8:22   ` Auger Eric
2021-03-16 18:10     ` Krishna Reddy

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