From: Jason Gunthorpe <jgg@ziepe.ca>
To: "Dan Williams (nvidia)" <djbw@kernel.org>
Cc: Alexey Kardashevskiy <aik@amd.com>,
"Aneesh Kumar K.V (Arm)" <aneesh.kumar@kernel.org>,
linux-coco@lists.linux.dev, iommu@lists.linux.dev,
linux-kernel@vger.kernel.org, kvm@vger.kernel.org,
Bjorn Helgaas <helgaas@kernel.org>,
Joerg Roedel <joro@8bytes.org>,
Jonathan Cameron <jic23@kernel.org>,
Kevin Tian <kevin.tian@intel.com>,
Nicolin Chen <nicolinc@nvidia.com>,
Samuel Ortiz <sameo@rivosinc.com>,
Steven Price <steven.price@arm.com>,
Suzuki K Poulose <Suzuki.Poulose@arm.com>,
Will Deacon <will@kernel.org>,
Xu Yilun <yilun.xu@linux.intel.com>,
Shameer Kolothum <shameerali.kolothum.thodi@huawei.com>,
Paolo Bonzini <pbonzini@redhat.com>,
Tony Krowiak <akrowiak@linux.ibm.com>,
Halil Pasic <pasic@linux.ibm.com>,
Jason Herne <jjherne@linux.ibm.com>,
Harald Freudenberger <freude@linux.ibm.com>,
Holger Dengler <dengler@linux.ibm.com>,
Heiko Carstens <hca@linux.ibm.com>,
Vasily Gorbik <gor@linux.ibm.com>,
Alexander Gordeev <agordeev@linux.ibm.com>,
Christian Borntraeger <borntraeger@linux.ibm.com>,
Sven Schnelle <svens@linux.ibm.com>,
Alex Williamson <alex@shazbot.org>,
Matthew Rosato <mjrosato@linux.ibm.com>,
Farhan Ali <alifm@linux.ibm.com>,
Eric Farman <farman@linux.ibm.com>,
linux-s390@vger.kernel.org
Subject: Re: [PATCH v5 5/5] iommufd/vdevice: add TSM request ioctl
Date: Wed, 27 May 2026 09:51:39 -0300 [thread overview]
Message-ID: <20260527125139.GL2487554@ziepe.ca> (raw)
In-Reply-To: <6a168c8ea7d10_2129b2100e@djbw-dev.notmuch>
On Tue, May 26, 2026 at 11:17:50PM -0700, Dan Williams (nvidia) wrote:
> In that case pci_tsm_req_scope becomes tsm_req_type and is just:
>
> TSM_REQ_TYPE_CCA
> TSM_REQ_TYPE_SEV
> TSM_REQ_TYPE_TDX
>
> I am leaning towards the latter at this point.
Yeah, this sounds good. I would also include an common op field that
can be decoded by the TSM driver based on the TYPE above, and the
usual in/out message buffers.
Jason
next prev parent reply other threads:[~2026-05-27 12:51 UTC|newest]
Thread overview: 14+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-05-25 15:48 [PATCH v5 0/5] Add iommufd ioctls to support TSM operations Aneesh Kumar K.V (Arm)
2026-05-25 15:48 ` [PATCH v5 1/5] vfio: cache KVM VM file references instead of raw struct kvm pointers Aneesh Kumar K.V (Arm)
2026-05-26 10:52 ` Anthony Krowiak
2026-05-25 15:48 ` [PATCH v5 2/5] iommufd/device: Associate KVM file pointer with iommufd_device Aneesh Kumar K.V (Arm)
2026-05-25 15:48 ` [PATCH v5 3/5] iommufd/viommu: Keep a reference to the KVM file Aneesh Kumar K.V (Arm)
2026-05-25 15:48 ` [PATCH v5 4/5] iommufd/tsm: add vdevice TSM bind/unbind ioctl Aneesh Kumar K.V (Arm)
2026-05-25 15:48 ` [PATCH v5 5/5] iommufd/vdevice: add TSM request ioctl Aneesh Kumar K.V (Arm)
2026-05-27 0:16 ` Alexey Kardashevskiy
2026-05-27 6:17 ` Dan Williams (nvidia)
2026-05-27 6:56 ` Tian, Kevin
2026-05-27 12:51 ` Jason Gunthorpe [this message]
2026-05-27 15:34 ` Aneesh Kumar K.V
2026-05-27 17:49 ` Aneesh Kumar K.V
2026-05-27 22:49 ` Dan Williams (nvidia)
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