>-Original Message-
>From: Jason Gunthorpe
>Subject: Re: [PATCH v3 00/19] Add a host IOMMU device abstraction to
>check with vIOMMU
>
>On Tue, May 07, 2024 at 02:24:30AM +0000, Duan, Zhenzhong wrote:
>> >On Mon, May 06, 2024 at 02:30:47AM +, Duan, Zhen
Hi Clement,
See inline.
From: CLEMENT MATHIEU--DRIF
Sent: Tuesday, May 7, 2024 7:40 PM
To: Duan, Zhenzhong ; qemu-devel@nongnu.org
Cc: alex.william...@redhat.com; c...@redhat.com; eric.au...@redhat.com;
m...@redhat.com; pet...@redhat.com; jasow...@redhat.com; j...@nvidia.com;
nicol
>-Original Message-
>From: Cédric Le Goater
>Subject: Re: [PATCH v3 15/19] hw/pci: Introduce
>pci_device_[set|unset]_iommu_device()
>
>On 5/7/24 09:48, Duan, Zhenzhong wrote:
>> Hi Cédric,
>>
>>> -Original Message-
>>> From: Cédric
>-Original Message-
>From: Cédric Le Goater
>Subject: Re: [PATCH v4 04/19] vfio/iommufd: Introduce
>TYPE_HOST_IOMMU_DEVICE_IOMMUFD_VFIO device
>
>On 5/7/24 11:20, Zhenzhong Duan wrote:
>> TYPE_HOST_IOMMU_DEVICE_IOMMUFD_VFIO represents a host IOMMU
>device under
>> VFIO iommufd backend.
Hi Philippe,
>-Original Message-
>From: Philippe Mathieu-Daudé
>Subject: Re: [PATCH v4 01/19] backends: Introduce HostIOMMUDevice
>abstract
>
>Hi Zhenzhong,
>
>On 7/5/24 11:20, Zhenzhong Duan wrote:
>> Introduce HostIOMMUDevice as an abstraction of host IOMMU device.
>>
>> Introduce
Hi Cédric,
>-Original Message-
>From: Cédric Le Goater
>Subject: Re: [PATCH v3 15/19] hw/pci: Introduce
>pci_device_[set|unset]_iommu_device()
>
>Hello Zhenzhong,
>
>On 4/29/24 08:50, Zhenzhong Duan wrote:
>> From: Yi Liu
>>
>> pci_device_[set|unset]_iommu_device() call
>-Original Message-
>From: Cédric Le Goater
>Subject: Re: [PATCH v2 03/11] vfio: Make VFIOIOMMUClass::attach_device()
>and its wrapper return bool
>
>On 5/7/24 08:42, Zhenzhong Duan wrote:
>> Make VFIOIOMMUClass::attach_device() and its wrapper function
>> vfio_attach_device() return
>-Original Message-
>From: Cédric Le Goater
>Subject: Re: [PATCH v3 05/19] backends/host_iommu_device: Introduce
>HostIOMMUDeviceCaps
>
>Hello Zhenzhong,
>
>On 4/29/24 08:50, Zhenzhong Duan wrote:
>> HostIOMMUDeviceCaps's elements map to the host IOMMU's capabilities.
>> Different
>-Original Message-
>From: Cédric Le Goater
>Subject: Re: [PATCH 1/3] vfio: Make VFIOIOMMUClass::attach_device() and
>its wrapper return bool
>
>On 5/7/24 04:09, Duan, Zhenzhong wrote:
>>
>>
>>> -Original Message-
>>> From: Céd
>-Original Message-
>From: Jason Gunthorpe
>Subject: Re: [PATCH v3 00/19] Add a host IOMMU device abstraction to
>check with vIOMMU
>
>On Mon, May 06, 2024 at 02:30:47AM +0000, Duan, Zhenzhong wrote:
>
>> I'm not clear how useful multiple iommufd instances s
>-Original Message-
>From: Cédric Le Goater
>Subject: Re: [PATCH 1/3] vfio: Make VFIOIOMMUClass::attach_device() and
>its wrapper return bool
>
>On 5/6/24 10:33, Zhenzhong Duan wrote:
>> Make VFIOIOMMUClass::attach_device() and its wrapper function
>> vfio_attach_device() return bool.
>-Original Message-
>From: Cédric Le Goater
>Subject: Re: [PATCH v3 06/19] range: Introduce range_get_last_bit()
>
>On 4/30/24 11:58, Duan, Zhenzhong wrote:
>>
>>
>>> -Original Message-
>>> From: Cédric Le Goater
>&
Hi Cédric,
>-Original Message-
>From: Cédric Le Goater
>Sent: Friday, May 3, 2024 10:04 PM
>To: Duan, Zhenzhong ; qemu-
>de...@nongnu.org
>Cc: alex.william...@redhat.com; eric.au...@redhat.com; m...@redhat.com;
>pet...@redhat.com; jasow...@redhat.com; j.
>-Original Message-
>From: Cédric Le Goater
>Subject: Re: [PATCH v3 11/19] backends/iommufd: Implement
>HostIOMMUDeviceClass::check_cap() handler
>
>> +static int hiod_iommufd_check_cap(HostIOMMUDevice *hiod, int
>cap,
> Error **errp)
>> +{
>> +switch (cap) {
>> +
T-d
>
>Hi Zhenzhong,
>
>I will rebase,
>
>thanks
>
>On 01/05/2024 14:40, Duan, Zhenzhong wrote:
>> Caution: External email. Do not open attachments or click links, unless this
>email comes from a known sender and you know the content is safe.
>>
>>
>> Ah,
Ah, this is a duplicate effort on stage-1 translation.
Hi Clement,
We had ever sent a rfcv1 series "intel_iommu: Enable stage-1 translation"
for both emulated and passthrough device, link:
https://lists.gnu.org/archive/html/qemu-devel/2024-01/msg02740.html
which now evolves to rfcv2, link:
>-Original Message-
>From: Cédric Le Goater
>Subject: Re: [PATCH v3 11/19] backends/iommufd: Implement
>HostIOMMUDeviceClass::check_cap() handler
>
>On 4/30/24 12:06, Duan, Zhenzhong wrote:
>>
>>
>>> -Original Message-
>>> From:
>-Original Message-
>From: Cédric Le Goater
>Subject: Re: [PATCH v3 13/19] vfio: Create host IOMMU device instance
>
>On 4/29/24 08:50, Zhenzhong Duan wrote:
>> Create host IOMMU device instance in vfio_attach_device() and call
>> .realize() to initialize it further.
>>
>> Suggested-by:
>-Original Message-
>From: Cédric Le Goater
>Subject: Re: [PATCH v3 08/19] backends/iommufd: Introduce helper
>function iommufd_backend_get_device_info()
>
>On 4/29/24 08:50, Zhenzhong Duan wrote:
>> Introduce a helper function iommufd_backend_get_device_info() to get
>> host IOMMU
>-Original Message-
>From: Cédric Le Goater
>Subject: Re: [PATCH v3 11/19] backends/iommufd: Implement
>HostIOMMUDeviceClass::check_cap() handler
>
>On 4/29/24 08:50, Zhenzhong Duan wrote:
>> Suggested-by: Cédric Le Goater
>> Signed-off-by: Zhenzhong Duan
>> ---
>>
>-Original Message-
>From: Cédric Le Goater
>Subject: Re: [PATCH v3 07/19] vfio/container: Implement
>HostIOMMUDeviceClass::realize() handler
>
>On 4/29/24 08:50, Zhenzhong Duan wrote:
>> Utilize range_get_last_bit() to get host IOMMU address width and
>> package it in
>-Original Message-
>From: Cédric Le Goater
>Subject: Re: [PATCH v3 06/19] range: Introduce range_get_last_bit()
>
>On 4/29/24 08:50, Zhenzhong Duan wrote:
>> This helper get the highest 1 bit position of the upper bound.
>>
>> If the range is empty or upper bound is zero, -1 is
>-Original Message-
>From: Cédric Le Goater
>Subject: Re: [PATCH v3 05/19] backends/host_iommu_device: Introduce
>HostIOMMUDeviceCaps
>
>On 4/29/24 08:50, Zhenzhong Duan wrote:
>> HostIOMMUDeviceCaps's elements map to the host IOMMU's capabilities.
>> Different platform IOMMU can
>-Original Message-
>From: Cédric Le Goater
>Subject: Re: [PATCH v3 04/19] vfio/iommufd: Introduce
>HostIOMMUDeviceIOMMUFDVFIO device
>
>On 4/29/24 08:50, Zhenzhong Duan wrote:
>> HostIOMMUDeviceIOMMUFDVFIO represents a host IOMMU device under
>VFIO
>> iommufd backend. It will be
>-Original Message-
>From: Cédric Le Goater
>Subject: Re: [PATCH v3 02/19] vfio/container: Introduce
>HostIOMMUDeviceLegacyVFIO device
>
>On 4/29/24 08:50, Zhenzhong Duan wrote:
>> HostIOMMUDeviceLegacyVFIO represents a host IOMMU device under
>VFIO
>> legacy container backend.
>>
>> It
>-Original Message-
>From: Cédric Le Goater
>Subject: Re: [PATCH v2 3/5] intel_iommu: Add a framework to do
>compatibility check with host IOMMU cap/ecap
>
>On 4/25/24 10:46, Duan, Zhenzhong wrote:
>> Hi Cédric,
>>
>>> -Original Message-
Hi Cédric,
>-Original Message-
>From: Cédric Le Goater
>Subject: Re: [PATCH v2 3/5] intel_iommu: Add a framework to do
>compatibility check with host IOMMU cap/ecap
>
>Hello Zhenzhong,
>
>On 4/18/24 10:42, Duan, Zhenzhong wrote:
>> Hi Cédric,
>>
>
>-Original Message-
>From: Cédric Le Goater
>Subject: Re: [PATCH v2 3/5] intel_iommu: Add a framework to do
>compatibility check with host IOMMU cap/ecap
>
>Hello Zhenzhong,
>
>On 4/18/24 10:42, Duan, Zhenzhong wrote:
>> Hi Cédric,
>>
>>> -
Hi Cédric,
>-Original Message-
>From: Cédric Le Goater
>Subject: Re: [PATCH v2 3/5] intel_iommu: Add a framework to do
>compatibility check with host IOMMU cap/ecap
>
>Hello Zhenzhong
>
>On 4/17/24 11:24, Duan, Zhenzhong wrote:
>>
>>
>>> -
>-Original Message-
>From: Cédric Le Goater
>Subject: Re: [PATCH v2 3/5] intel_iommu: Add a framework to do
>compatibility check with host IOMMU cap/ecap
>
>On 4/17/24 06:21, Duan, Zhenzhong wrote:
>>
>>
>>> -Original Message-
>>>
>-Original Message-
>From: Cédric Le Goater
>Subject: Re: [PATCH v2 02/10] vfio: Introduce HIODLegacyVFIO device
>
>Hello,
>
>On 4/16/24 05:41, Duan, Zhenzhong wrote:
>> Hi Cédric,
>>
>>> -Original Message-
>>> From: Cédri
>-Original Message-
>From: Cédric Le Goater
>Subject: Re: [PATCH v2 3/5] intel_iommu: Add a framework to do
>compatibility check with host IOMMU cap/ecap
>
>Hello,
>
>On 4/16/24 09:09, Duan, Zhenzhong wrote:
>> Hi Cédric,
>>
>>> -Ori
Hi Cédric,
>-Original Message-
>From: Cédric Le Goater
>Subject: Re: [PATCH v2 3/5] intel_iommu: Add a framework to do
>compatibility check with host IOMMU cap/ecap
>
>On 4/8/24 10:44, Zhenzhong Duan wrote:
>> From: Yi Liu
>>
>> If check fails, the host side device(either vfio or vdpa
>-Original Message-
>From: Cédric Le Goater
>Subject: Re: [PATCH v2 08/10] vfio: Create host IOMMU device instance
>
>On 4/8/24 10:12, Zhenzhong Duan wrote:
>> Create host IOMMU device instance and initialize it based on backend.
>>
>> Signed-off-by: Zhenzhong Duan
>> ---
>>
>-Original Message-
>From: Cédric Le Goater
>Subject: Re: [PATCH v2 09/10] hw/pci: Introduce
>pci_device_set/unset_iommu_device()
>
>On 4/8/24 10:12, Zhenzhong Duan wrote:
>> From: Yi Liu
>>
>> This adds pci_device_set/unset_iommu_device() to set/unset
>> HostIOMMUDevice for a given
>-Original Message-
>From: Cédric Le Goater
>Subject: Re: [PATCH v2 07/10] backends/iommufd: Implement
>get_host_iommu_info() callback
>
>On 4/8/24 10:12, Zhenzhong Duan wrote:
>> It calls iommufd_backend_get_device_info() to get host IOMMU
>> related information.
>>
>> Define a common
>-Original Message-
>From: Cédric Le Goater
>Subject: Re: [PATCH v2 06/10] backends/iommufd: Introduce helper
>function iommufd_backend_get_device_info()
>
>On 4/8/24 10:12, Zhenzhong Duan wrote:
>> Introduce a helper function iommufd_backend_get_device_info() to get
>> host IOMMU
>-Original Message-
>From: Cédric Le Goater
>Subject: Re: [PATCH v2 05/10] vfio: Implement get_host_iommu_info()
>callback
>
>On 4/8/24 10:12, Zhenzhong Duan wrote:
>> Utilize iova_ranges to calculate host IOMMU address width and
>> package it in HIOD_LEGACY_INFO for vIOMMU usage.
>>
>>
>-Original Message-
>From: Cédric Le Goater
>Subject: Re: [PATCH v2 03/10] backends/iommufd: Introduce abstract
>HIODIOMMUFD device
>
>On 4/8/24 10:12, Zhenzhong Duan wrote:
>> HIODIOMMUFD represents a host IOMMU device under iommufd backend.
>>
>> Currently it includes only public
Hi Cédric,
>-Original Message-
>From: Cédric Le Goater
>Subject: Re: [PATCH v2 02/10] vfio: Introduce HIODLegacyVFIO device
>
>On 4/8/24 10:12, Zhenzhong Duan wrote:
>> HIODLegacyVFIO represents a host IOMMU device under VFIO legacy
>> container backend.
>>
>> It includes a link to
>-Original Message-
>From: Philippe Mathieu-Daudé
>Subject: Re: [PATCH v2 02/10] vfio: Introduce HIODLegacyVFIO device
>
>On 15/4/24 12:10, Duan, Zhenzhong wrote:
>> Hi Philippe,
>>
>>> -Original Message-
>>> From: Philippe Mathieu-Da
Hi Philippe,
>-Original Message-
>From: Philippe Mathieu-Daudé
>Sent: Monday, April 15, 2024 5:20 PM
>To: Duan, Zhenzhong ; qemu-
>de...@nongnu.org
>Cc: alex.william...@redhat.com; c...@redhat.com; eric.au...@redhat.com;
>pet...@redhat.com; jasow...@redhat.com
>-Original Message-
>From: Philippe Mathieu-Daudé
>Subject: Re: [PATCH v2 01/10] backends: Introduce abstract
>HostIOMMUDevice
>
>Hi Zhenzhong,
>
>On 8/4/24 10:12, Zhenzhong Duan wrote:
>> Introduce HostIOMMUDevice as an abstraction of host IOMMU device.
>>
>> get_host_iommu_info() is
>-Original Message-
>From: Cédric Le Goater
>Subject: Re: [PATCH v2 01/10] backends: Introduce abstract
>HostIOMMUDevice
>
>On 4/8/24 10:12, Zhenzhong Duan wrote:
>> Introduce HostIOMMUDevice as an abstraction of host IOMMU device.
>>
>> get_host_iommu_info() is used to get host IOMMU
Hi All,
>-Original Message-
>From: Duan, Zhenzhong
>Subject: [PATCH v2 03/10] backends/iommufd: Introduce abstract
>HIODIOMMUFD device
>
>HIODIOMMUFD represents a host IOMMU device under iommufd backend.
>
>Currently it includes only public iommufd handle and
>-Original Message-
>From: Cédric Le Goater
>Subject: Re: [PATCH v1 01/11] Introduce a common abstract struct
>HostIOMMUDevice
>
>Hello Zhenzhong,
>
>On 3/28/24 04:06, Duan, Zhenzhong wrote:
>> Hi Cédric,
>>
>>> -Original Message
3/24 12:17, Michael S. Tsirkin wrote:
>> > On Wed, Mar 13, 2024 at 07:54:11AM +, Duan, Zhenzhong wrote:
>> >>
>> >>> -Original Message-
>> >>> From: Michael S. Tsirkin
>> >>> Subject: Re: [PATCH v1 3/6] intel_iommu: Add a fr
Hi Cédric,
>-Original Message-
>From: Cédric Le Goater
>Subject: Re: [PATCH v1 01/11] Introduce a common abstract struct
>HostIOMMUDevice
>
>Hello Zhenzhong,
>
>On 3/19/24 12:58, Duan, Zhenzhong wrote:
>> Hi Cédric,
>>
>>> -Original Mess
Hi Cédric,
>-Original Message-
>From: Cédric Le Goater
>Sent: Tuesday, March 19, 2024 4:17 PM
>To: Duan, Zhenzhong ; qemu-
>de...@nongnu.org
>Cc: alex.william...@redhat.com; eric.au...@redhat.com;
>pet...@redhat.com; jasow...@redhat.com; m...@redhat.com;
&g
>-Original Message-
>From: Eric Auger
>Subject: Re: [PATCH v1 11/11] backends/iommufd: Introduce helper
>function iommufd_device_get_info()
>
>Hi Joao,
>
>On 3/18/24 16:09, Joao Martins wrote:
>> On 18/03/2024 07:54, Eric Auger wrote:
>>> Hi Zhenzhong,
>>>
>>> On 2/28/24 04:59,
>-Original Message-
>From: Eric Auger
>Subject: Re: [PATCH v1 00/11] Add a host IOMMU device abstraction
>
>
>
>On 2/28/24 04:58, Zhenzhong Duan wrote:
>> Hi,
>>
>> Based on Joao's suggestion, the iommufd nesting prerequisite series [1]
>> is further splitted to host IOMMU device
>-Original Message-
>From: Eric Auger
>Subject: Re: [PATCH v1 09/11] hw/pci: Introduce
>pci_device_set/unset_iommu_device()
>
>Hi Zhenzhong,
>
>On 2/28/24 04:58, Zhenzhong Duan wrote:
>> From: Yi Liu
>>
>> This adds pci_device_set/unset_iommu_device() to set/unset
>> HostIOMMUDevice
>-Original Message-
>From: Eric Auger
>Subject: Re: [PATCH v1 05/11] vfio: Introduce host_iommu_device_create
>callback
>
>
>
>On 2/28/24 04:58, Zhenzhong Duan wrote:
>> Introduce host_iommu_device_create callback and a wrapper for it.
>>
>> This callback is used to allocate a host
>-Original Message-
>From: Eric Auger
>Subject: Re: [PATCH v1 01/11] Introduce a common abstract struct
>HostIOMMUDevice
>
>Hi Zhenzhong,
>On 2/28/24 04:58, Zhenzhong Duan wrote:
>> HostIOMMUDevice will be inherited by two sub classes,
>> legacy and iommufd currently.
>As this patch
>-Original Message-
>From: Eric Auger
>Subject: Re: [PATCH v1 08/11] vfio/pci: Allocate and initialize
>HostIOMMUDevice after attachment
>
>
>
>On 2/28/24 04:58, Zhenzhong Duan wrote:
>> Signed-off-by: Zhenzhong Duan
>> ---
>> hw/vfio/pci.c | 4
>> 1 file changed, 4 insertions(+)
>-Original Message-
>From: Eric Auger
>Subject: Re: [PATCH v1 05/11] vfio: Introduce host_iommu_device_create
>callback
>
>
>
>On 3/18/24 14:52, Eric Auger wrote:
>> Hi ZHenzhong,
>>
>> On 2/28/24 04:58, Zhenzhong Duan wrote:
>>> Introduce host_iommu_device_create callback and a wrapper
Hi Eric,
>-Original Message-
>From: Eric Auger
>Subject: Re: [PATCH v1 05/11] vfio: Introduce host_iommu_device_create
>callback
>
>Hi ZHenzhong,
>
>On 2/28/24 04:58, Zhenzhong Duan wrote:
>> Introduce host_iommu_device_create callback and a wrapper for it.
>>
>> This callback is used to
>-Original Message-
>From: Eric Auger
>Subject: Re: [PATCH v1 04/11] vfio: Add HostIOMMUDevice handle into
>VFIODevice
>
>
>
>On 2/28/24 04:58, Zhenzhong Duan wrote:
>> This handle points to either IOMMULegacyDevice or IOMMUFDDevice
>variant,
>> neither both.
>I would reword into:
>-Original Message-
>From: Liu, Zhao1
>Subject: Re: [PATCH 2/2] qom/object_interfaces: Remove local_err in
>user_creatable_add_type
>
>On Thu, Feb 29, 2024 at 11:37:39AM +0800, Zhenzhong Duan wrote:
>> Date: Thu, 29 Feb 2024 11:37:39 +0800
>> From: Zhenzhong Duan
>> Subject: [PATCH
>-Original Message-
>From: Liu, Zhao1
>Subject: Re: [PATCH 1/2] qom/object_interfaces: Remove unnecessary
>local_err check
>
>On Thu, Feb 29, 2024 at 11:37:38AM +0800, Zhenzhong Duan wrote:
>> Date: Thu, 29 Feb 2024 11:37:38 +0800
>> From: Zhenzhong Duan
>> Subject: [PATCH 1/2]
>-Original Message-
>From: Cédric Le Goater
>Subject: [PATCH v2] vfio/iommufd: Fix memory leak
>
>Coverity reported a memory leak on variable 'contents' in routine
>iommufd_cdev_getfd(). Use g_autofree variables to simplify the exit
>path and get rid of g_free() calls.
>
>Cc: Eric Auger
>-Original Message-
>From: Michael S. Tsirkin
>Subject: Re: [PATCH v1 3/6] intel_iommu: Add a framework to check and
>sync host IOMMU cap/ecap
>
>On Wed, Mar 13, 2024 at 07:54:11AM +0000, Duan, Zhenzhong wrote:
>>
>>
>> >-Original Me
>-Original Message-
>From: Cédric Le Goater
>Sent: Thursday, March 14, 2024 5:06 AM
>To: qemu-devel@nongnu.org
>Cc: Alex Williamson ; Cédric Le Goater
>; Eric Auger ; Liu, Yi L
>; Duan, Zhenzhong
>Subject: [PATCH] vfio/iommufd: Fix memory leak
>
>Make s
>-Original Message-
>From: Michael S. Tsirkin
>Subject: Re: [PATCH v1 3/6] intel_iommu: Add a framework to check and
>sync host IOMMU cap/ecap
>
>On Wed, Mar 13, 2024 at 02:52:39AM +0000, Duan, Zhenzhong wrote:
>> Hi Michael,
>>
>> >-Or
Hi Michael,
>-Original Message-
>From: Michael S. Tsirkin
>Subject: Re: [PATCH v1 3/6] intel_iommu: Add a framework to check and
>sync host IOMMU cap/ecap
>
>On Wed, Feb 28, 2024 at 05:44:29PM +0800, Zhenzhong Duan wrote:
>> From: Yi Liu
>>
>> Add a framework to check and synchronize
>-Original Message-
>From: Eric Auger
>Subject: [PATCH v8 7/9] hw/i386/q35: Set virtio-iommu aw-bits default
>value to 39
>
>Currently the default input range can extend to 64 bits. On x86,
>when the virtio-iommu protects vfio devices, the physical iommu
>may support only 39 bits. Let's
>-Original Message-
>From: Eric Auger
>Subject: [PATCH v6 8/9] hw/arm/virt: Set virtio-iommu aw-bits default value
>to 48
>
>On ARM we set 48b as a default (matching SMMUv3 SMMU_IDR5.VAX == 0).
>
>hw_compat_8_2 is used to handle the compatibility for machine types
>before 9.0 (default
Hi Eric,
>-Original Message-
>From: Eric Auger
>Subject: [PATCH v6 7/9] hw/i386/q35: Set virtio-iommu aw-bits default
>value to 39
>
>Currently the default input range can extend to 64 bits. On x86,
>when the virtio-iommu protects vfio devices, the physical iommu
>may support only 39
>-Original Message-
>From: Prasad Pandit
>Subject: Re: [PATCH v1 6/6] intel_iommu: Block migration if cap is updated
>
>On Mon, 4 Mar 2024 at 13:41, Duan, Zhenzhong
> wrote:
>> This is to deal with a special case when cold plugged vfio device is
>unplugged
&g
>-Original Message-
>From: Prasad Pandit
>Subject: Re: [PATCH v1 6/6] intel_iommu: Block migration if cap is updated
>
>On Wed, 28 Feb 2024 at 15:17, Zhenzhong Duan
> wrote:
>> When there is VFIO device and vIOMMU cap/ecap is updated based on
>host
>
>* cap/ecap -> capability/extended
>-Original Message-
>From: Jason Wang
>Subject: Re: [PATCH v1 0/6] Check and sync host IOMMU cap/ecap with
>vIOMMU
>
>On Wed, Feb 28, 2024 at 5:46 PM Zhenzhong Duan
> wrote:
>>
>> Hi,
>>
>> Based on Joao's suggestion, the iommufd nesting prerequisite series [1]
>> is further splitted to
>-Original Message-
>From: Zhao Liu
>Subject: [PATCH 02/16] backends/iommufd: Fix missing ERRP_GUARD() for
>error_prepend()
>
>From: Zhao Liu
>
>As the comment in qapi/error, passing @errp to error_prepend() requires
>ERRP_GUARD():
>
>* = Why, when and how to use ERRP_GUARD() =
>*
>*
>-Original Message-
>From: Joao Martins
>Subject: Re: [PATCH rfcv2 18/18] intel_iommu: Block migration if cap is
>updated
>
>On 27/02/2024 02:41, Duan, Zhenzhong wrote:
>>
>>
>>> -Original Message-
>>> From: Joao Martins
>>
>-Original Message-
>From: Joao Martins
>Subject: Re: [PATCH RFCv2 1/8] backends/iommufd: Introduce helper
>function iommufd_device_get_hw_capabilities()
>
>On 26/02/2024 07:29, Duan, Zhenzhong wrote:
>> Hi Joao,
>>
>>> -Original Message--
Hi Eric,
>-Original Message-
>From: Eric Auger
>Subject: [PATCH v5 3/3] virtio-iommu: Change the default granule to the
>host page size
>
>We used to set the default granule to 4KB but with VFIO assignment
>it makes more sense to use the actual host page size.
>
>Indeed when hotplugging
>-Original Message-
>From: Eric Auger
>Subject: [PATCH v5 1/3] qdev: Add a granule_mode property
>
>Introduce a new enum type property allowing to set an
>IOMMU granule. Values are 4k, 8k, 16k, 64k and host.
>This latter indicates the vIOMMU granule will match
>the host page size.
>
>A
>-Original Message-
>From: Eric Auger
>Subject: [PATCH v5 2/3] virtio-iommu: Add a granule property
>
>This allows to choose which granule will be used by
>default by the virtio-iommu. Current page size mask
>default is qemu_target_page_mask so this translates
>into a 4K granule.
>
>-Original Message-
>From: Joao Martins
>Subject: Re: [PATCH rfcv2 18/18] intel_iommu: Block migration if cap is
>updated
>
>On 01/02/2024 07:28, Zhenzhong Duan wrote:
>> When there is VFIO device and vIOMMU cap/ecap is updated based on
>host
>> IOMMU cap/ecap, migration should be
>-Original Message-
>From: Joao Martins
>Subject: Re: [PATCH RFCv2 2/8] vfio/iommufd: Introduce auto domain
>creation
>
>On 12/02/2024 16:27, Jason Gunthorpe wrote:
>> On Mon, Feb 12, 2024 at 01:56:37PM +, Joao Martins wrote:
>>> There's generally two modes of operation for IOMMUFD:
>-Original Message-
>From: Eric Auger
>Subject: Re: [PATCH rfcv2 14/18] intel_iommu: Add a framework to check
>and sync host IOMMU cap/ecap
>
>
>
>On 2/1/24 08:28, Zhenzhong Duan wrote:
>> From: Yi Liu
>>
>> Add a framework to check and synchronize host IOMMU cap/ecap with
>> vIOMMU
Hi Joao,
>-Original Message-
>From: Joao Martins
>Subject: [PATCH RFCv2 1/8] backends/iommufd: Introduce helper function
>iommufd_device_get_hw_capabilities()
>
>The new helper will fetch vendor agnostic IOMMU capabilities supported
>both by hardware and software. Right now it is only
>-Original Message-
>From: Eric Auger
>Subject: Re: [PATCH rfcv2 07/18] vfio/container: Implement
>host_iommu_device_init callback in legacy mode
>
>Hi Zhenzhong,
>On 2/1/24 08:28, Zhenzhong Duan wrote:
>> This callback will be used to initialize base and public elements
>> in
>-Original Message-
>From: Eric Auger
>Subject: Re: [PATCH rfcv2 11/18] intel_iommu: Add
>set/unset_iommu_device callback
>
>
>
>On 2/1/24 08:28, Zhenzhong Duan wrote:
>> From: Yi Liu
>>
>> This adds set/unset_iommu_device() implementation in Intel vIOMMU.
>> In set call, a pointer to
>-Original Message-
>From: Eric Auger
>Subject: Re: [PATCH rfcv2 10/18] hw/pci: Introduce
>pci_device_set/unset_iommu_device()
>
>Hi Zhenzhong,
>
>On 2/1/24 08:28, Zhenzhong Duan wrote:
>> From: Yi Liu
>>
>> This adds pci_device_set/unset_iommu_device() to set/unset
>> HostIOMMUDevice
Hi Eric,
>-Original Message-
>From: Eric Auger
>Subject: Re: [PATCH rfcv2 04/18] vfio: Add host iommu device instance into
>VFIODevice
>
>
>
>On 2/1/24 08:28, Zhenzhong Duan wrote:
>> Either IOMMULegacyDevice or IOMMUFDDevice into VFIODevice, neither
>> both.
>>
>> Signed-off-by:
>-Original Message-
>From: Eric Auger
>Subject: Re: [PATCH v2 3/3] hw: Set virtio-iommu aw-bits default value on
>pc_q35_9.0 and arm virt
>
>Hi Zhenzhong,
>
>On 2/2/24 07:51, Duan, Zhenzhong wrote:
>> Hi Eric,
>>
>>> -Original Mess
Hi Eric,
>-Original Message-
>From: Eric Auger
>pc_q35_9.0 and arm virt
>
>Currently the default input range can extend to 64 bits. On x86,
>when the virtio-iommu protects vfio devices, the physical iommu
>may support only 39 bits. Let's set the default to 39, as done
>for the
>-Original Message-
>From: Eric Auger
>Subject: [PATCH v2 2/3] virtio-iommu: Trace domain range limits as
>unsigned int
>
>Use %u format to trace domain_range limits.
>
>Signed-off-by: Eric Auger
Reviewed-by: Zhenzhong Duan
Thanks
Zhenzhong
>---
> hw/virtio/trace-events | 2 +-
> 1
>-Original Message-
>From: Eric Auger
>Subject: [PATCH v2 1/3] virtio-iommu: Add an option to define the input
>range width
>
>aw-bits is a new option that allows to set the bit width of
>the input address range. This value will be used as a default for
>the device config
>-Original Message-
>From: Eric Auger
>Subject: Re: [PATCH v2 0/2] Two minor fixes on virtio-iommu and smmu
>
>Hi Zhenzhong,
>
>On 1/25/24 08:37, Zhenzhong Duan wrote:
>> Hi,
>>
>> PATCH1 fixes a potential issue with vfio devices when reboot to a
>> different OS which set bus number
>-Original Message-
>From: Eric Auger
>Subject: Re: [PATCH 3/3] virtio-iommu: Support PCI device aliases
>
>Hi Zhenzhong,
>
>On 1/22/24 07:40, Zhenzhong Duan wrote:
>> Currently virtio-iommu doesn't work well if there are multiple devices
>> in same iommu group. In below example config,
Hi Eric,
>-Original Message-
>From: Eric Auger
>Subject: Re: [PATCH 1/3] virtio_iommu: Clear IOMMUPciBus pointer cache
>when system reset
>
>Hi Zhenzhong,
>
>On 1/23/24 11:03, Duan, Zhenzhong wrote:
>>
>>> -Original Message-
>>> Fro
>-Original Message-
>From: Cédric Le Goater
>Subject: Re: [PATCH rfcv1 4/6] vfio: initialize IOMMUFDDevice and pass to
>vIOMMU
>
>On 1/23/24 10:46, Duan, Zhenzhong wrote:
>>
>>
>>> -Original Message-
>>> From: Cédric Le Goater
>
>-Original Message-
>From: Eric Auger
>Subject: Re: [PATCH rfcv1 2/6] hw/pci: introduce
>pci_device_set/unset_iommu_device()
>
>
>
>On 1/23/24 10:25, Duan, Zhenzhong wrote:
>>
>>> -Original Message-
>>> From: Cédric Le Goater
>
>-Original Message-
>From: Cédric Le Goater
>Subject: Re: [PATCH 1/3] virtio_iommu: Clear IOMMUPciBus pointer cache
>when system reset
>
>On 1/22/24 07:40, Zhenzhong Duan wrote:
>> IOMMUPciBus pointer cache is indexed by bus number, bus number
>> may not always be a fixed value, i.e.,
>-Original Message-
>From: Cédric Le Goater
>Subject: Re: [PATCH rfcv1 6/6] intel_iommu: add a framework to check and
>sync host IOMMU cap/ecap
>
>On 1/15/24 11:13, Zhenzhong Duan wrote:
>> From: Yi Liu
>>
>> Add a framework to check and synchronize host IOMMU cap/ecap with
>> vIOMMU
>-Original Message-
>From: Cédric Le Goater
>Subject: Re: [PATCH rfcv1 4/6] vfio: initialize IOMMUFDDevice and pass to
>vIOMMU
>
>On 1/15/24 11:13, Zhenzhong Duan wrote:
>> Initialize IOMMUFDDevice in vfio and pass to vIOMMU, so that vIOMMU
>> could get hw IOMMU information.
>>
>> In
>-Original Message-
>From: Cédric Le Goater
>Subject: Re: [PATCH rfcv1 3/6] intel_iommu: add set/unset_iommu_device
>callback
>
>On 1/15/24 11:13, Zhenzhong Duan wrote:
>> From: Yi Liu
>>
>> This adds set/unset_iommu_device() implementation in Intel vIOMMU.
>> In set call,
>-Original Message-
>From: Cédric Le Goater
>Subject: Re: [PATCH rfcv1 2/6] hw/pci: introduce
>pci_device_set/unset_iommu_device()
>
>On 1/23/24 07:37, Duan, Zhenzhong wrote:
>>
>>
>>> -Original Message-
>>> From: Cédric Le G
>-Original Message-
>From: Cédric Le Goater
>Subject: Re: [PATCH rfcv1 2/6] hw/pci: introduce
>pci_device_set/unset_iommu_device()
>
>On 1/15/24 11:13, Zhenzhong Duan wrote:
>> From: Yi Liu
>>
>> This adds pci_device_set/unset_iommu_device() to set/unset
>> IOMMUFDDevice for a given
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