From: Jason Gunthorpe <jgg@nvidia.com>
To: Yi Liu <yi.l.liu@intel.com>
Cc: mjrosato@linux.ibm.com, jasowang@redhat.com,
xudong.hao@intel.com, zhenzhong.duan@intel.com,
peterx@redhat.com, terrence.xu@intel.com,
chao.p.peng@linux.intel.com, linux-s390@vger.kernel.org,
kvm@vger.kernel.org, lulu@redhat.com, yanting.jiang@intel.com,
joro@8bytes.org, nicolinc@nvidia.com, kevin.tian@intel.com,
yan.y.zhao@intel.com, intel-gfx@lists.freedesktop.org,
eric.auger@redhat.com, intel-gvt-dev@lists.freedesktop.org,
yi.y.sun@linux.intel.com, clegoate@redhat.com, cohuck@redhat.com,
shameerali.kolothum.thodi@huawei.com,
suravee.suthikulpanit@amd.com, robin.murphy@arm.com
Subject: Re: [Intel-gfx] [PATCH v15 22/26] vfio: Add VFIO_DEVICE_BIND_IOMMUFD
Date: Tue, 18 Jul 2023 13:56:44 -0300 [thread overview]
Message-ID: <ZLbETPMmth9RL560@nvidia.com> (raw)
In-Reply-To: <20230718135551.6592-23-yi.l.liu@intel.com>
On Tue, Jul 18, 2023 at 06:55:47AM -0700, Yi Liu wrote:
> This adds ioctl for userspace to bind device cdev fd to iommufd.
>
> VFIO_DEVICE_BIND_IOMMUFD: bind device to an iommufd, hence gain DMA
> control provided by the iommufd. open_device
> op is called after bind_iommufd op.
>
> Tested-by: Nicolin Chen <nicolinc@nvidia.com>
> Tested-by: Matthew Rosato <mjrosato@linux.ibm.com>
> Tested-by: Yanting Jiang <yanting.jiang@intel.com>
> Tested-by: Shameer Kolothum <shameerali.kolothum.thodi@huawei.com>
> Tested-by: Terrence Xu <terrence.xu@intel.com>
> Tested-by: Zhenzhong Duan <zhenzhong.duan@intel.com>
> Signed-off-by: Yi Liu <yi.l.liu@intel.com>
> ---
> drivers/vfio/device_cdev.c | 107 +++++++++++++++++++++++++++++++++++++
> drivers/vfio/vfio.h | 13 +++++
> drivers/vfio/vfio_main.c | 5 ++
> include/linux/vfio.h | 5 +-
> include/uapi/linux/vfio.h | 27 ++++++++++
> 5 files changed, 155 insertions(+), 2 deletions(-)
Reviewed-by: Jason Gunthorpe <jgg@nvidia.com>
Jason
WARNING: multiple messages have this Message-ID (diff)
From: Jason Gunthorpe <jgg@nvidia.com>
To: Yi Liu <yi.l.liu@intel.com>
Cc: alex.williamson@redhat.com, kevin.tian@intel.com,
joro@8bytes.org, robin.murphy@arm.com, cohuck@redhat.com,
eric.auger@redhat.com, nicolinc@nvidia.com, kvm@vger.kernel.org,
mjrosato@linux.ibm.com, chao.p.peng@linux.intel.com,
yi.y.sun@linux.intel.com, peterx@redhat.com, jasowang@redhat.com,
shameerali.kolothum.thodi@huawei.com, lulu@redhat.com,
suravee.suthikulpanit@amd.com,
intel-gvt-dev@lists.freedesktop.org,
intel-gfx@lists.freedesktop.org, linux-s390@vger.kernel.org,
xudong.hao@intel.com, yan.y.zhao@intel.com,
terrence.xu@intel.com, yanting.jiang@intel.com,
zhenzhong.duan@intel.com, clegoate@redhat.com
Subject: Re: [PATCH v15 22/26] vfio: Add VFIO_DEVICE_BIND_IOMMUFD
Date: Tue, 18 Jul 2023 13:56:44 -0300 [thread overview]
Message-ID: <ZLbETPMmth9RL560@nvidia.com> (raw)
In-Reply-To: <20230718135551.6592-23-yi.l.liu@intel.com>
On Tue, Jul 18, 2023 at 06:55:47AM -0700, Yi Liu wrote:
> This adds ioctl for userspace to bind device cdev fd to iommufd.
>
> VFIO_DEVICE_BIND_IOMMUFD: bind device to an iommufd, hence gain DMA
> control provided by the iommufd. open_device
> op is called after bind_iommufd op.
>
> Tested-by: Nicolin Chen <nicolinc@nvidia.com>
> Tested-by: Matthew Rosato <mjrosato@linux.ibm.com>
> Tested-by: Yanting Jiang <yanting.jiang@intel.com>
> Tested-by: Shameer Kolothum <shameerali.kolothum.thodi@huawei.com>
> Tested-by: Terrence Xu <terrence.xu@intel.com>
> Tested-by: Zhenzhong Duan <zhenzhong.duan@intel.com>
> Signed-off-by: Yi Liu <yi.l.liu@intel.com>
> ---
> drivers/vfio/device_cdev.c | 107 +++++++++++++++++++++++++++++++++++++
> drivers/vfio/vfio.h | 13 +++++
> drivers/vfio/vfio_main.c | 5 ++
> include/linux/vfio.h | 5 +-
> include/uapi/linux/vfio.h | 27 ++++++++++
> 5 files changed, 155 insertions(+), 2 deletions(-)
Reviewed-by: Jason Gunthorpe <jgg@nvidia.com>
Jason
next prev parent reply other threads:[~2023-07-18 16:56 UTC|newest]
Thread overview: 67+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-07-18 13:55 [Intel-gfx] [PATCH v15 00/26] Add vfio_device cdev for iommufd support Yi Liu
2023-07-18 13:55 ` Yi Liu
2023-07-18 13:55 ` [Intel-gfx] [PATCH v15 01/26] vfio: Allocate per device file structure Yi Liu
2023-07-18 13:55 ` Yi Liu
2023-07-18 13:55 ` [Intel-gfx] [PATCH v15 02/26] vfio: Refine vfio file kAPIs for KVM Yi Liu
2023-07-18 13:55 ` Yi Liu
2023-07-18 13:55 ` [Intel-gfx] [PATCH v15 03/26] vfio: Accept vfio device file in the KVM facing kAPI Yi Liu
2023-07-18 13:55 ` Yi Liu
2023-07-18 13:55 ` [Intel-gfx] [PATCH v15 04/26] kvm/vfio: Prepare for accepting vfio device fd Yi Liu
2023-07-18 13:55 ` Yi Liu
2023-07-18 13:55 ` [Intel-gfx] [PATCH v15 05/26] kvm/vfio: Accept vfio device file from userspace Yi Liu
2023-07-18 13:55 ` Yi Liu
2023-07-18 13:55 ` [Intel-gfx] [PATCH v15 06/26] vfio: Pass struct vfio_device_file * to vfio_device_open/close() Yi Liu
2023-07-18 13:55 ` Yi Liu
2023-07-18 13:55 ` [Intel-gfx] [PATCH v15 07/26] vfio: Block device access via device fd until device is opened Yi Liu
2023-07-18 13:55 ` Yi Liu
2023-07-18 13:55 ` [Intel-gfx] [PATCH v15 08/26] vfio: Add cdev_device_open_cnt to vfio_group Yi Liu
2023-07-18 13:55 ` Yi Liu
2023-07-18 13:55 ` [Intel-gfx] [PATCH v15 09/26] vfio: Make vfio_df_open() single open for device cdev path Yi Liu
2023-07-18 13:55 ` Yi Liu
2023-07-18 13:55 ` [Intel-gfx] [PATCH v15 10/26] vfio-iommufd: Move noiommu compat validation out of vfio_iommufd_bind() Yi Liu
2023-07-18 13:55 ` Yi Liu
2023-07-18 13:55 ` [Intel-gfx] [PATCH v15 11/26] vfio-iommufd: Split bind/attach into two steps Yi Liu
2023-07-18 13:55 ` Yi Liu
2023-07-18 13:55 ` [Intel-gfx] [PATCH v15 12/26] vfio: Record devid in vfio_device_file Yi Liu
2023-07-18 13:55 ` Yi Liu
2023-07-18 13:55 ` [Intel-gfx] [PATCH v15 13/26] vfio-iommufd: Add detach_ioas support for physical VFIO devices Yi Liu
2023-07-18 13:55 ` Yi Liu
2023-07-18 13:55 ` [Intel-gfx] [PATCH v15 14/26] iommufd/device: Add iommufd_access_detach() API Yi Liu
2023-07-18 13:55 ` Yi Liu
2023-07-18 13:55 ` [Intel-gfx] [PATCH v15 15/26] vfio-iommufd: Add detach_ioas support for emulated VFIO devices Yi Liu
2023-07-18 13:55 ` Yi Liu
2023-07-18 13:55 ` [Intel-gfx] [PATCH v15 16/26] vfio: Move vfio_device_group_unregister() to be the first operation in unregister Yi Liu
2023-07-18 13:55 ` Yi Liu
2023-07-18 13:55 ` [Intel-gfx] [PATCH v15 17/26] vfio: Move device_del() before waiting for the last vfio_device registration refcount Yi Liu
2023-07-18 13:55 ` Yi Liu
2023-07-18 13:55 ` [Intel-gfx] [PATCH v15 18/26] vfio: Add cdev for vfio_device Yi Liu
2023-07-18 13:55 ` Yi Liu
2023-07-18 13:55 ` [Intel-gfx] [PATCH v15 19/26] vfio: Test kvm pointer in _vfio_device_get_kvm_safe() Yi Liu
2023-07-18 13:55 ` Yi Liu
2023-07-18 13:55 ` [Intel-gfx] [PATCH v15 20/26] iommufd: Add iommufd_ctx_from_fd() Yi Liu
2023-07-18 13:55 ` Yi Liu
2023-07-18 16:55 ` [Intel-gfx] " Jason Gunthorpe
2023-07-18 16:55 ` Jason Gunthorpe
2023-07-18 13:55 ` [Intel-gfx] [PATCH v15 21/26] vfio: Avoid repeated user pointer cast in vfio_device_fops_unl_ioctl() Yi Liu
2023-07-18 13:55 ` Yi Liu
2023-07-18 13:55 ` [Intel-gfx] [PATCH v15 22/26] vfio: Add VFIO_DEVICE_BIND_IOMMUFD Yi Liu
2023-07-18 13:55 ` Yi Liu
2023-07-18 16:56 ` Jason Gunthorpe [this message]
2023-07-18 16:56 ` Jason Gunthorpe
2023-07-18 13:55 ` [Intel-gfx] [PATCH v15 23/26] vfio: Add VFIO_DEVICE_[AT|DE]TACH_IOMMUFD_PT Yi Liu
2023-07-18 13:55 ` Yi Liu
2023-07-18 13:55 ` [Intel-gfx] [PATCH v15 24/26] vfio: Move the IOMMU_CAP_CACHE_COHERENCY check in __vfio_register_dev() Yi Liu
2023-07-18 13:55 ` Yi Liu
2023-07-18 13:55 ` [Intel-gfx] [PATCH v15 25/26] vfio: Compile vfio_group infrastructure optionally Yi Liu
2023-07-18 13:55 ` Yi Liu
2023-07-18 13:55 ` [Intel-gfx] [PATCH v15 26/26] docs: vfio: Add vfio device cdev description Yi Liu
2023-07-18 13:55 ` Yi Liu
2023-07-18 15:55 ` [Intel-gfx] ✗ Fi.CI.BUILD: failure for Add vfio_device cdev for iommufd support (rev19) Patchwork
2023-07-18 16:57 ` [Intel-gfx] [PATCH v15 00/26] Add vfio_device cdev for iommufd support Jason Gunthorpe
2023-07-18 16:57 ` Jason Gunthorpe
2023-07-24 19:09 ` [Intel-gfx] " Alex Williamson
2023-07-24 19:09 ` Alex Williamson
2023-07-25 18:00 ` [Intel-gfx] " Alex Williamson
2023-07-25 18:00 ` Alex Williamson
2023-07-26 13:39 ` [Intel-gfx] " Jason Gunthorpe
2023-07-26 13:39 ` Jason Gunthorpe
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