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From: Jason Gunthorpe <jgg@nvidia.com>
To: Nicolin Chen <nicolinc@nvidia.com>
Cc: "Tian, Kevin" <kevin.tian@intel.com>,
	"Liu, Yi L" <yi.l.liu@intel.com>,
	"joro@8bytes.org" <joro@8bytes.org>,
	"alex.williamson@redhat.com" <alex.williamson@redhat.com>,
	"robin.murphy@arm.com" <robin.murphy@arm.com>,
	"baolu.lu@linux.intel.com" <baolu.lu@linux.intel.com>,
	"cohuck@redhat.com" <cohuck@redhat.com>,
	"eric.auger@redhat.com" <eric.auger@redhat.com>,
	"kvm@vger.kernel.org" <kvm@vger.kernel.org>,
	"mjrosato@linux.ibm.com" <mjrosato@linux.ibm.com>,
	"chao.p.peng@linux.intel.com" <chao.p.peng@linux.intel.com>,
	"yi.y.sun@linux.intel.com" <yi.y.sun@linux.intel.com>,
	"peterx@redhat.com" <peterx@redhat.com>,
	"jasowang@redhat.com" <jasowang@redhat.com>,
	"shameerali.kolothum.thodi@huawei.com"
	<shameerali.kolothum.thodi@huawei.com>,
	"lulu@redhat.com" <lulu@redhat.com>,
	"suravee.suthikulpanit@amd.com" <suravee.suthikulpanit@amd.com>,
	"iommu@lists.linux.dev" <iommu@lists.linux.dev>,
	"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
	"linux-kselftest@vger.kernel.org"
	<linux-kselftest@vger.kernel.org>,
	"Duan, Zhenzhong" <zhenzhong.duan@intel.com>,
	"joao.m.martins@oracle.com" <joao.m.martins@oracle.com>,
	"Zeng, Xin" <xin.zeng@intel.com>,
	"Zhao, Yan Y" <yan.y.zhao@intel.com>
Subject: Re: [PATCH v6 2/6] iommufd: Add IOMMU_HWPT_INVALIDATE
Date: Wed, 29 Nov 2023 15:58:04 -0400	[thread overview]
Message-ID: <20231129195804.GF436702@nvidia.com> (raw)
In-Reply-To: <ZWaPM4p7yjJ0sEKk@Asurada-Nvidia>

On Tue, Nov 28, 2023 at 05:09:07PM -0800, Nicolin Chen wrote:

> > > With that being said, I think errno (-EIO) could do the job,
> > > as you suggested too.
> > 
> > Do we have any idea what HW failures can be generated by the commands
> > this will execture? IIRC I don't remember seeing any smmu specific
> > codes related to invalid invalidation? Everything is a valid input?
> 
> "7.1 Command queue errors" has the info.

Hmm CERROR_ATC_INV_SYNC needs to be forwarded to the guest somehow

Jason

  reply	other threads:[~2023-11-29 19:58 UTC|newest]

Thread overview: 93+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
     [not found] <CGME20231217215720eucas1p2a590aca62ce8eb5ba81df6bc8b1a785d@eucas1p2.samsung.com>
2023-11-17 13:07 ` [PATCH v6 0/6] iommufd: Add nesting infrastructure (part 2/2) Yi Liu
2023-11-17 13:07   ` [PATCH v6 1/6] iommu: Add cache_invalidate_user op Yi Liu
2023-11-20  7:53     ` Tian, Kevin
2023-12-06 18:32     ` Jason Gunthorpe
2023-12-06 18:43       ` Nicolin Chen
2023-12-06 18:50         ` Jason Gunthorpe
2023-12-07  6:53           ` Yi Liu
2024-01-08  7:32     ` Binbin Wu
2023-11-17 13:07   ` [PATCH v6 2/6] iommufd: Add IOMMU_HWPT_INVALIDATE Yi Liu
2023-11-20  8:09     ` Tian, Kevin
2023-11-20  8:29       ` Yi Liu
2023-11-20  8:34         ` Tian, Kevin
2023-11-20 17:36           ` Nicolin Chen
2023-11-21  2:50             ` Tian, Kevin
2023-11-21  5:24               ` Nicolin Chen
2023-11-24  2:36                 ` Tian, Kevin
2023-11-27 19:53                   ` Nicolin Chen
2023-11-28  6:01                     ` Yi Liu
2023-11-29  0:54                       ` Nicolin Chen
2023-11-28  8:03                     ` Tian, Kevin
2023-11-29  0:51                       ` Nicolin Chen
2023-11-29  0:57                         ` Jason Gunthorpe
2023-11-29  1:09                           ` Nicolin Chen
2023-11-29 19:58                             ` Jason Gunthorpe [this message]
2023-11-29 22:07                               ` Nicolin Chen
2023-11-30  0:08                                 ` Jason Gunthorpe
2023-11-30 20:41                                   ` Nicolin Chen
2023-12-01  0:45                                     ` Jason Gunthorpe
2023-12-01  4:29                                       ` Nicolin Chen
2023-12-01 12:55                                         ` Jason Gunthorpe
2023-12-01 19:58                                           ` Nicolin Chen
2023-12-01 20:43                                             ` Jason Gunthorpe
2023-12-01 22:12                                               ` Nicolin Chen
2023-12-04 14:48                                                 ` Jason Gunthorpe
2023-12-05 17:33                                                   ` Nicolin Chen
2023-12-06 12:48                                                     ` Jason Gunthorpe
2023-12-01  3:51                           ` Yi Liu
2023-12-01  4:50                             ` Nicolin Chen
2023-12-01  5:19                               ` Tian, Kevin
2023-12-01  7:05                                 ` Yi Liu
2023-12-01  7:10                                   ` Tian, Kevin
2023-12-01  9:08                                     ` Yi Liu
2023-11-21  5:02     ` Baolu Lu
2023-11-21  5:19       ` Nicolin Chen
2023-11-28  5:54         ` Yi Liu
2023-12-06 18:33     ` Jason Gunthorpe
2023-12-07  6:59     ` Yi Liu
2023-12-07  9:04       ` Tian, Kevin
2023-12-07 14:42         ` Jason Gunthorpe
2023-12-11  7:53           ` Yi Liu
2023-12-11 13:21             ` Jason Gunthorpe
2023-12-12 13:45               ` Liu, Yi L
2023-12-12 14:40                 ` Jason Gunthorpe
2023-12-13 13:47                   ` Liu, Yi L
2023-12-13 14:11                     ` Jason Gunthorpe
2023-12-11  7:49         ` Yi Liu
2023-11-17 13:07   ` [PATCH v6 3/6] iommu: Add iommu_copy_struct_from_user_array helper Yi Liu
2023-11-20  8:17     ` Tian, Kevin
2023-11-20 17:25       ` Nicolin Chen
2023-11-21  2:48         ` Tian, Kevin
2024-01-08  8:37     ` Binbin Wu
2023-11-17 13:07   ` [PATCH v6 4/6] iommufd/selftest: Add mock_domain_cache_invalidate_user support Yi Liu
2023-12-06 18:16     ` Jason Gunthorpe
2023-12-11 11:21       ` Yi Liu
2023-11-17 13:07   ` [PATCH v6 5/6] iommufd/selftest: Add IOMMU_TEST_OP_MD_CHECK_IOTLB test op Yi Liu
2023-11-17 13:07   ` [PATCH v6 6/6] iommufd/selftest: Add coverage for IOMMU_HWPT_INVALIDATE ioctl Yi Liu
2023-12-06 18:19     ` Jason Gunthorpe
2023-12-11 11:28       ` Yi Liu
2023-12-11 13:06         ` Jason Gunthorpe
2023-12-09  1:47   ` [PATCH v6 0/6] iommufd: Add nesting infrastructure (part 2/2) Jason Gunthorpe
2023-12-11  2:29     ` Tian, Kevin
2023-12-11 12:36       ` Yi Liu
2023-12-11 13:05         ` Jason Gunthorpe
2023-12-11 15:34           ` Suthikulpanit, Suravee
2023-12-11 16:06             ` Jason Gunthorpe
2023-12-11 12:35     ` Yi Liu
2023-12-11 13:20       ` Jason Gunthorpe
2023-12-11 20:11         ` Nicolin Chen
2023-12-11 21:48           ` Jason Gunthorpe
2023-12-11 17:35     ` Suthikulpanit, Suravee
2023-12-11 17:45       ` Jason Gunthorpe
2023-12-11 21:27     ` Nicolin Chen
2023-12-11 21:57       ` Jason Gunthorpe
2023-12-12  7:30         ` Nicolin Chen
2023-12-12 14:44           ` Jason Gunthorpe
2023-12-12 19:13             ` Nicolin Chen
2023-12-12 19:21               ` Jason Gunthorpe
2023-12-12 20:05                 ` Nicolin Chen
2023-12-13 12:40                   ` Jason Gunthorpe
2023-12-13 19:54                     ` Nicolin Chen
2023-12-17 11:21   ` Joel Granados
2023-12-19  9:26     ` Yi Liu
2023-12-20 11:23       ` Joel Granados

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