From: Jason Gunthorpe <jgg@nvidia.com>
To: Nicolin Chen <nicolinc@nvidia.com>
Cc: Shameer Kolothum <shameerali.kolothum.thodi@huawei.com>,
qemu-arm@nongnu.org, qemu-devel@nongnu.org,
eric.auger@redhat.com, peter.maydell@linaro.org,
ddutile@redhat.com, berrange@redhat.com, nathanc@nvidia.com,
mochs@nvidia.com, smostafa@google.com, linuxarm@huawei.com,
wangzhou1@hisilicon.com, jiangkunkun@huawei.com,
jonathan.cameron@huawei.com, zhangfei.gao@linaro.org,
zhenzhong.duan@intel.com, shameerkolothum@gmail.com
Subject: Re: [RFC PATCH v3 14/15] Read and validate host SMMUv3 feature bits
Date: Wed, 16 Jul 2025 15:42:39 -0300 [thread overview]
Message-ID: <20250716184239.GC2177622@nvidia.com> (raw)
In-Reply-To: <aHfq6ccB44yupGb1@Asurada-Nvidia>
On Wed, Jul 16, 2025 at 11:09:45AM -0700, Nicolin Chen wrote:
> OK. I see your point. That will leads to a very long list of
> parameters.
I would have some useful prebaked ones. Realistically there are not
that many combinations of HW capabilities that are
interesting/exist.
> So, a vSMMU model is defined following the parameters in the
> command line. A device (and its attaching SMMU HW) that's not
> compatibile should just fail the cold-plug at the beginning.
Yes
And if you want to do hotplug the SMMU is already fully defined so you
don't need to discover anything at VM startup time.
Jason
next prev parent reply other threads:[~2025-07-16 18:43 UTC|newest]
Thread overview: 165+ messages / expand[flat|nested] mbox.gz Atom feed top
2025-07-14 15:59 [RFC PATCH v3 00/15] hw/arm/virt: Add support for user-creatable accelerated SMMUv3 Shameer Kolothum via
2025-07-14 15:59 ` Shameer Kolothum via
2025-07-14 15:59 ` [RFC PATCH v3 01/15] backends/iommufd: Introduce iommufd_backend_alloc_viommu Shameer Kolothum via
2025-07-14 15:59 ` Shameer Kolothum via
2025-07-14 16:22 ` Nicolin Chen
2025-07-15 9:14 ` Jonathan Cameron via
2025-07-15 9:14 ` Jonathan Cameron via
2025-07-14 15:59 ` [RFC PATCH v3 02/15] backends/iommufd: Introduce iommufd_vdev_alloc Shameer Kolothum via
2025-07-14 15:59 ` Shameer Kolothum via
2025-07-14 16:27 ` Nicolin Chen
2025-07-15 9:19 ` Jonathan Cameron via
2025-07-15 9:19 ` Jonathan Cameron via
2025-07-14 15:59 ` [RFC PATCH v3 03/15] hw/arm/smmu-common: Factor out common helper functions and export Shameer Kolothum via
2025-07-14 15:59 ` Shameer Kolothum via
2025-07-15 9:27 ` Jonathan Cameron via
2025-07-15 9:27 ` Jonathan Cameron via
2025-07-14 15:59 ` [RFC PATCH v3 04/15] hw/arm/smmu-common: Introduce smmu_iommu_ops_by_type() helper Shameer Kolothum via
2025-07-14 15:59 ` Shameer Kolothum via
2025-07-14 16:38 ` Nicolin Chen via
2025-07-14 16:38 ` Nicolin Chen via
2025-07-15 9:30 ` Jonathan Cameron via
2025-07-15 9:30 ` Jonathan Cameron via
2025-09-04 7:55 ` Eric Auger
2025-07-14 15:59 ` [RFC PATCH v3 05/15] hw/arm/smmuv3-accel: Introduce smmuv3 accel device Shameer Kolothum via
2025-07-14 15:59 ` Shameer Kolothum via
2025-07-14 17:23 ` Nicolin Chen
2025-09-04 14:33 ` Eric Auger
2025-09-05 8:22 ` Shameer Kolothum
2025-09-05 10:17 ` Eric Auger
2025-09-08 9:15 ` Shameer Kolothum
2025-09-09 13:38 ` Eric Auger
2025-07-15 9:45 ` Jonathan Cameron via
2025-07-15 9:45 ` Jonathan Cameron via
2025-07-15 10:48 ` Duan, Zhenzhong
2025-07-15 17:29 ` Nicolin Chen
2025-07-16 3:38 ` Duan, Zhenzhong
2025-07-16 9:27 ` Shameerali Kolothum Thodi via
2025-07-16 9:27 ` Shameerali Kolothum Thodi via
2025-09-04 14:31 ` Eric Auger
2025-09-10 16:10 ` Shameer Kolothum
2025-07-14 15:59 ` [RFC PATCH v3 06/15] hw/arm/smmuv3-accel: Restrict accelerated SMMUv3 to vfio-pci endpoints with iommufd Shameer Kolothum via
2025-07-14 15:59 ` Shameer Kolothum via
2025-07-14 18:18 ` Nicolin Chen
2025-07-15 9:51 ` Jonathan Cameron via
2025-07-15 9:51 ` Jonathan Cameron via
2025-07-15 10:53 ` Duan, Zhenzhong
2025-07-15 17:59 ` Nicolin Chen
2025-07-16 6:26 ` Duan, Zhenzhong
2025-07-16 9:34 ` Shameerali Kolothum Thodi via
2025-07-16 9:34 ` Shameerali Kolothum Thodi via
2025-07-16 10:32 ` Duan, Zhenzhong
2025-07-16 17:51 ` Nicolin Chen
2025-07-16 18:21 ` Nicolin Chen
2025-09-05 8:34 ` Eric Auger
2025-09-05 8:14 ` Eric Auger
2025-09-08 7:41 ` Shameer Kolothum
2025-09-09 13:34 ` Eric Auger
2025-07-16 8:06 ` Shameerali Kolothum Thodi via
2025-07-16 8:06 ` Shameerali Kolothum Thodi via
2025-09-05 8:29 ` Eric Auger
2025-09-08 7:55 ` Shameer Kolothum
2025-08-06 0:55 ` Nicolin Chen
2025-09-16 10:33 ` Shameer Kolothum
2025-09-17 18:45 ` Nicolin Chen
2025-09-17 18:52 ` Shameer Kolothum
2025-09-17 19:04 ` Jason Gunthorpe
2025-09-18 13:31 ` Shameer Kolothum
2025-09-18 22:00 ` Nicolin Chen
2025-09-19 7:38 ` Shameer Kolothum
2025-09-19 18:36 ` Nicolin Chen
2025-09-20 13:03 ` Peter Maydell
2025-09-22 8:28 ` Shameer Kolothum
2025-09-05 8:42 ` Eric Auger
2025-09-08 8:03 ` Shameer Kolothum
2025-07-14 15:59 ` [RFC PATCH v3 07/15] hw/arm/smmuv3: Implement get_viommu_cap() callback Shameer Kolothum via
2025-07-14 15:59 ` Shameer Kolothum via
2025-07-14 18:31 ` Nicolin Chen
2025-09-05 8:49 ` Eric Auger
2025-09-08 8:22 ` Shameer Kolothum
2025-09-08 13:40 ` Jason Gunthorpe
2025-09-09 13:37 ` Eric Auger
2025-07-14 15:59 ` [RFC PATCH v3 08/15] hw/arm/smmuv3-accel: Add set/unset_iommu_device callback Shameer Kolothum via
2025-07-14 15:59 ` Shameer Kolothum via
2025-07-14 19:11 ` Nicolin Chen
2025-07-15 10:29 ` Jonathan Cameron via
2025-07-15 10:29 ` Jonathan Cameron via
2025-07-15 17:01 ` Nicolin Chen
2025-07-16 9:33 ` Jonathan Cameron via
2025-07-16 9:33 ` Jonathan Cameron via
2025-09-05 9:27 ` Eric Auger
2025-09-08 8:49 ` Shameer Kolothum
2025-07-14 15:59 ` [RFC PATCH v3 09/15] hw/arm/smmuv3-accel: Support nested STE install/uninstall support Shameer Kolothum via
2025-07-14 15:59 ` Shameer Kolothum via
2025-07-14 19:37 ` Nicolin Chen
2025-07-15 23:12 ` Nicolin Chen
2025-07-16 8:36 ` Shameerali Kolothum Thodi via
2025-07-16 8:36 ` Shameerali Kolothum Thodi via
2025-07-16 18:17 ` Nicolin Chen
2025-09-05 9:51 ` Eric Auger
2025-09-05 9:40 ` Eric Auger
2025-07-14 15:59 ` [RFC PATCH v3 10/15] hw/arm/smmuv3-accel: Allocate a vDEVICE object for device Shameer Kolothum via
2025-07-14 15:59 ` Shameer Kolothum via
2025-07-14 19:43 ` Nicolin Chen
2025-09-05 9:57 ` Eric Auger
2025-09-05 18:36 ` Nicolin Chen
2025-07-14 15:59 ` [RFC PATCH v3 11/15] hw/pci/pci: Introduce optional get_msi_address_space() callback Shameer Kolothum via
2025-07-14 15:59 ` Shameer Kolothum via
2025-07-14 19:50 ` Nicolin Chen
2025-09-05 10:11 ` Eric Auger
2025-09-05 10:11 ` Eric Auger
2025-07-14 15:59 ` [RFC PATCH v3 12/15] hw/arm/smmuv3-accel: Introduce helpers to batch and issue cache invalidations Shameer Kolothum via
2025-07-14 15:59 ` Shameer Kolothum via
2025-07-14 19:55 ` Nicolin Chen
2025-07-15 10:39 ` Jonathan Cameron via
2025-07-15 10:39 ` Jonathan Cameron via
2025-07-15 17:07 ` Nicolin Chen
2025-09-05 10:31 ` Eric Auger
2025-09-08 9:59 ` Shameer Kolothum
2025-09-08 19:29 ` Nicolin Chen
2025-07-14 15:59 ` [RFC PATCH v3 13/15] hw/arm/smmuv3: Forward invalidation commands to hw Shameer Kolothum via
2025-07-14 15:59 ` Shameer Kolothum via
2025-07-15 10:46 ` Jonathan Cameron via
2025-07-15 10:46 ` Jonathan Cameron via
2025-07-15 17:22 ` Nicolin Chen
2025-07-16 7:32 ` Shameerali Kolothum Thodi via
2025-07-16 7:32 ` Shameerali Kolothum Thodi via
2025-09-05 12:45 ` Eric Auger
2025-09-08 12:22 ` Shameer Kolothum
2025-09-08 20:12 ` Nicolin Chen
2025-09-09 13:43 ` Eric Auger
2025-07-14 15:59 ` [RFC PATCH v3 14/15] Read and validate host SMMUv3 feature bits Shameer Kolothum via
2025-07-14 15:59 ` Shameer Kolothum via
2025-07-14 20:04 ` Nicolin Chen via
2025-07-14 20:04 ` Nicolin Chen via
2025-07-14 20:24 ` Nicolin Chen via
2025-07-14 20:24 ` Nicolin Chen via
2025-07-15 10:48 ` Jonathan Cameron via
2025-07-15 10:48 ` Jonathan Cameron via
2025-07-16 2:57 ` Nicolin Chen via
2025-07-16 2:57 ` Nicolin Chen via
2025-07-16 10:26 ` Shameerali Kolothum Thodi via
2025-07-16 10:26 ` Shameerali Kolothum Thodi via
2025-07-16 18:37 ` Nicolin Chen
2025-07-16 11:51 ` Jason Gunthorpe
2025-07-16 17:35 ` Nicolin Chen
2025-07-16 17:45 ` Jason Gunthorpe
2025-07-16 18:09 ` Nicolin Chen
2025-07-16 18:42 ` Jason Gunthorpe [this message]
2025-07-16 18:53 ` Nicolin Chen
2025-09-05 13:04 ` Eric Auger
2025-07-22 17:42 ` Nicolin Chen
2025-09-05 13:20 ` Eric Auger
2025-07-14 15:59 ` [RFC PATCH v3 15/15] hw/arm/smmu-common: Add accel property for SMMU dev Shameer Kolothum via
2025-07-14 15:59 ` Shameer Kolothum via
2025-07-14 20:00 ` Nicolin Chen
2025-07-15 10:49 ` Jonathan Cameron via
2025-07-15 10:49 ` Jonathan Cameron via
2025-09-05 10:36 ` Eric Auger
2025-07-14 16:14 ` [RFC PATCH v3 00/15] hw/arm/virt: Add support for user-creatable accelerated SMMUv3 Nicolin Chen via
2025-07-14 16:14 ` Nicolin Chen via
2025-07-14 20:22 ` Nicolin Chen via
2025-07-14 20:22 ` Nicolin Chen via
2025-07-15 10:46 ` Duan, Zhenzhong
2025-07-16 7:27 ` Shameerali Kolothum Thodi via
2025-07-16 7:27 ` Shameerali Kolothum Thodi via
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