Hi Jason,
On 4/16/21 4:34 PM, Jason Gunthorpe wrote:
> On Fri, Apr 16, 2021 at 04:26:19PM +0200, Auger Eric wrote:
>
>> This was largely done during several confs including plumber, KVM forum,
>> for several years. Also API docs were shared on the ML. I don't remember
>&
Hi,
On 4/16/21 4:05 PM, Jason Gunthorpe wrote:
> On Fri, Apr 16, 2021 at 03:38:02PM +0200, Auger Eric wrote:
>
>> The redesign requirement came pretty late in the development process.
>> The iommu user API is upstream for a while, the VFIO interfaces have
>> been s
Hi Jason,
On 4/16/21 1:07 AM, Jason Gunthorpe wrote:
> On Thu, Apr 15, 2021 at 03:11:19PM +0200, Auger Eric wrote:
>> Hi Jason,
>>
>> On 4/1/21 6:03 PM, Jason Gunthorpe wrote:
>>> On Thu, Apr 01, 2021 at 02:08:17PM +, Liu, Yi L wrote:
>>>
>>>>
Hi Jason,
On 4/1/21 6:03 PM, Jason Gunthorpe wrote:
> On Thu, Apr 01, 2021 at 02:08:17PM +, Liu, Yi L wrote:
>
>> DMA page faults are delivered to root-complex via page request message and
>> it is per-device according to PCIe spec. Page request handling flow is:
>>
>> 1) iommu driver
Hi Zenghui,
On 4/7/21 11:33 AM, Zenghui Yu wrote:
> Hi Eric,
>
> On 2021/2/24 5:06, Eric Auger wrote:
>> +/*
>> + * VFIO_IOMMU_SET_PASID_TABLE - _IOWR(VFIO_TYPE, VFIO_BASE + 18,
>> + * struct vfio_iommu_type1_set_pasid_table)
>> + *
>> + * The SET operation passes a PASID table to the
Hi Zenghui,
On 4/7/21 9:39 AM, Zenghui Yu wrote:
> Hi Eric,
>
> On 2021/2/24 4:56, Eric Auger wrote:
>> Up to now, when the type was UNMANAGED, we used to
>> allocate IOVA pages within a reserved IOVA MSI range.
>>
>> If both the host and the guest are exposed with SMMUs, each
>> would allocate
Hi Kunkun,
On 4/9/21 6:48 AM, Kunkun Jiang wrote:
> Hi Eric,
>
> On 2021/4/8 20:30, Auger Eric wrote:
>> Hi Kunkun,
>>
>> On 4/1/21 2:37 PM, Kunkun Jiang wrote:
>>> Hi Eric,
>>>
>>> On 2021/2/24 4:56, Eric Auger wrote:
>>>>
Hi Kunkun,
On 4/1/21 2:37 PM, Kunkun Jiang wrote:
> Hi Eric,
>
> On 2021/2/24 4:56, Eric Auger wrote:
>> With nested stage support, soon we will need to invalidate
>> S1 contexts and ranges tagged with an unmanaged asid, this
>> latter being managed by the guest. So let's introduce 2 helpers
>>
Hi Drew,
On 4/6/21 5:09 PM, Andrew Jones wrote:
>
> Hi Eric,
>
> It looks like Marc already picked this patch up, but, FWIW, here's
> a few more comments you may consider.
I will send a fixup patch on top of the one taken my Marc. Few comments
below.
>
> On Mon, Apr 05, 2021 at 06:39:41PM
Hi Marc,
On 4/5/21 12:12 PM, Marc Zyngier wrote:
> Hi Eric,
>
> On Sun, 04 Apr 2021 18:22:35 +0100,
> Eric Auger wrote:
>>
>> While writting vgic v3 init sequence KVM selftests I noticed some
>> relatively minor issues. This was also the opportunity to try to
>> fix the issue laterly reported
Hi Marc,
On 4/5/21 12:10 PM, Marc Zyngier wrote:
> On Sun, 04 Apr 2021 18:22:42 +0100,
> Eric Auger wrote:
>>
>> Commit 23bde34771f1 ("KVM: arm64: vgic-v3: Drop the
>> reporting of GICR_TYPER.Last for userspace") temporarily fixed
>> a bug identified when attempting to access the GICR_TYPER
>>
Hi Marc,
On 4/1/21 7:30 PM, Marc Zyngier wrote:
> On Thu, 01 Apr 2021 18:03:25 +0100,
> Auger Eric wrote:
>>
>> Hi Marc,
>>
>> On 4/1/21 3:42 PM, Marc Zyngier wrote:
>>> Hi Eric,
>>>
>>> On Thu, 01 Apr 2021 09:52:37 +0100,
>>> E
Hi Zenghui,
On 4/1/21 8:11 AM, Zenghui Yu wrote:
> Hi Eric,
>
> On 2021/2/24 4:56, Eric Auger wrote:
>> +static int
>> +arm_smmu_cache_invalidate(struct iommu_domain *domain, struct device
>> *dev,
>> + struct iommu_cache_invalidate_info *inv_info)
>> +{
>> + struct
Hi Shameer,
On 4/1/21 2:38 PM, Shameerali Kolothum Thodi wrote:
>
>
>> -Original Message-----
>> From: Auger Eric [mailto:eric.au...@redhat.com]
>> Sent: 01 April 2021 12:49
>> To: yuzenghui
>> Cc: eric.auger@gmail.com; io...@lists.linux-foundation.
Hi Zenghui,
On 3/30/21 11:23 AM, Zenghui Yu wrote:
> Hi Eric,
>
> On 2021/2/24 4:56, Eric Auger wrote:
>> In preparation for vSVA, let's accept userspace provided configs
>> with more than one CD. We check the max CD against the host iommu
>> capability and also the format (linear versus 2
Hi Marc,
On 4/1/21 12:52 PM, Marc Zyngier wrote:
> Hi Eric,
>
> On Thu, 01 Apr 2021 09:52:31 +0100,
> Eric Auger wrote:
>>
>> KVM_DEV_ARM_VGIC_GRP_ADDR group doc says we should return
>> -EEXIST in case the base address of the redist is already set.
>> We currently return -EINVAL.
>>
>> However
Hi Marc,
On 4/1/21 3:42 PM, Marc Zyngier wrote:
> Hi Eric,
>
> On Thu, 01 Apr 2021 09:52:37 +0100,
> Eric Auger wrote:
>>
>> Commit 23bde34771f1 ("KVM: arm64: vgic-v3: Drop the
>> reporting of GICR_TYPER.Last for userspace") temporarily fixed
>> a bug identified when attempting to access the
Hi Zenghui,
On 3/30/21 11:17 AM, Zenghui Yu wrote:
> On 2021/2/24 4:56, Eric Auger wrote:
>> @@ -1936,7 +1950,12 @@ static void
>> arm_smmu_tlb_inv_range_domain(unsigned long iova, size_t size,
>> },
>> };
>> - if (smmu_domain->stage == ARM_SMMU_DOMAIN_S1) {
>> + if
Hi Drew,
On 3/22/21 7:32 PM, Andrew Jones wrote:
> On Fri, Mar 12, 2021 at 06:32:02PM +0100, Eric Auger wrote:
>> The tests exercise the VGIC_V3 device creation including the
>> associated KVM_DEV_ARM_VGIC_GRP_ADDR group attributes:
>>
>> - KVM_VGIC_V3_ADDR_TYPE_DIST/REDIST
>> -
Hi,
On 3/26/21 9:35 AM, Zhen Lei wrote:
> There are several spelling mistakes, as follows:
> userpsace ==> userspace
> Accouting ==> Accounting
> exlude ==> exclude
Reviewed-by: Eric Auger
Thanks
Eric
>
> Signed-off-by: Zhen Lei
> ---
> drivers/vfio/vfio_iommu_type1.c | 6 +++---
> 1 file
On 3/26/21 9:35 AM, Zhen Lei wrote:
> There is a spelling mistake in a comment, fix it.
>
> Signed-off-by: Zhen Lei
Reviewed-by: Eric Auger
> ---
> drivers/vfio/mdev/mdev_private.h | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/drivers/vfio/mdev/mdev_private.h
>
On 3/26/21 9:35 AM, Zhen Lei wrote:
> There are several spelling mistakes, as follows:
> permision ==> permission
> thru ==> through
> presense ==> presence
>
> Signed-off-by: Zhen Lei
Reviewed-by: Eric Auger
Eric
> ---
> drivers/vfio/pci/vfio_pci.c
Hi,
On 3/26/21 9:35 AM, Zhen Lei wrote:
> There is a spelling mistake in a comment, fix it.
>
> Signed-off-by: Zhen Lei
Acked-by: Eric Auger
Thanks
Eric
> ---
> drivers/vfio/platform/reset/vfio_platform_calxedaxgmac.c | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git
Hi Chenxiang,
On 3/22/21 7:40 AM, chenxiang (M) wrote:
> Hi Eric,
>
>
> 在 2021/3/20 1:36, Auger Eric 写道:
>> Hi Chenxiang,
>>
>> On 3/4/21 8:55 AM, chenxiang (M) wrote:
>>> Hi Eric,
>>>
>>>
>>> 在 2021/2/24 4:56, Eric Auger 写道:
&
Hi Chenxiang,
On 3/4/21 8:55 AM, chenxiang (M) wrote:
> Hi Eric,
>
>
> 在 2021/2/24 4:56, Eric Auger 写道:
>> Implement domain-selective, pasid selective and page-selective
>> IOTLB invalidations.
>>
>> Signed-off-by: Eric Auger
>>
>> ---
>>
>> v13 -> v14:
>> - Add domain invalidation
>> - do
Hi Krishna,
On 3/18/21 1:16 AM, Krishna Reddy wrote:
> Tested-by: Krishna Reddy
>
> Validated nested translations with NVMe PCI device assigned to Guest VM.
> Tested with both v12 and v13 of Jean-Philippe's patches as base.
Many thanks for that.
>
>> This is based on Jean-Philippe's
>>
Hi Keqian,
On 3/2/21 9:35 AM, Keqian Zhu wrote:
> Hi Eric,
>
> On 2021/2/24 4:56, Eric Auger wrote:
>> On attach_pasid_table() we program STE S1 related info set
>> by the guest into the actual physical STEs. At minimum
>> we need to program the context descriptor GPA and compute
>> whether the
Hi Krishna,
On 3/15/21 7:04 PM, Krishna Reddy wrote:
> Tested-by: Krishna Reddy
>
>> 1) pass the guest stage 1 configuration
>
> Validated Nested SMMUv3 translations for NVMe PCIe device from Guest VM along
> with patch series "v11 SMMUv3 Nested Stage Setup (VFIO part)" and QEMU patch
>
Hi Alexandru,
On 1/20/21 4:56 PM, Alexandru Elisei wrote:
> Hi Eric,
>
> On 1/14/21 10:02 AM, Auger Eric wrote:
>> Hi Alexandru,
>>
>> On 1/12/21 3:55 PM, Alexandru Elisei wrote:
>>> Hi Eric,
>>>
>>> On 12/12/20 6:50 PM, Eric Auger wr
Hi Alexandru,
On 1/20/21 5:13 PM, Alexandru Elisei wrote:
> Hi Eric,
>
> On 1/14/21 10:16 AM, Auger Eric wrote:
>> Hi Alexandru,
>>
>> On 1/12/21 6:02 PM, Alexandru Elisei wrote:
>>> Hi Eric,
>>>
>>> On 12/12/20 6:50 PM, Eric Auger wrote
Hi Jean,
On 3/5/21 11:45 AM, Jean-Philippe Brucker wrote:
> Hi,
>
> On Tue, Feb 23, 2021 at 10:06:15PM +0100, Eric Auger wrote:
>> This patch adds the VFIO_IOMMU_SET_MSI_BINDING ioctl which aim
>> to (un)register the guest MSI binding to the host. This latter
>> then can use those stage 1
Hi Shameer, all
On 2/23/21 9:56 PM, Eric Auger wrote:
> This series brings the IOMMU part of HW nested paging support
> in the SMMUv3. The VFIO part is submitted separately.
>
> This is based on Jean-Philippe's
> [PATCH v12 00/10] iommu: I/O page faults for SMMUv3
>
Hi Shenming,
On 2/23/21 1:45 PM, Shenming Lu wrote:
>> +static int vfio_pci_dma_fault_init(struct vfio_pci_device *vdev)
>> +{
>> +struct vfio_region_dma_fault *header;
>> +struct iommu_domain *domain;
>> +size_t size;
>> +bool nested;
>> +int ret;
>> +
>> +domain =
Hi Keqian,
On 2/22/21 1:20 PM, Keqian Zhu wrote:
> Hi Eric,
>
> On 2021/2/22 18:53, Auger Eric wrote:
>> Hi Keqian,
>>
>> On 2/2/21 1:34 PM, Keqian Zhu wrote:
>>> Hi Eric,
>>>
>>> On 2020/11/16 19:00, Eric Auger wr
Hi Keqian,
On 2/2/21 1:34 PM, Keqian Zhu wrote:
> Hi Eric,
>
> On 2020/11/16 19:00, Eric Auger wrote:
>> From: "Liu, Yi L"
>>
>> This patch adds an VFIO_IOMMU_SET_PASID_TABLE ioctl
>> which aims to pass the virtual iommu guest configuration
>> to the host. This latter takes the form of the
Hi Shameer,
On 1/8/21 6:05 PM, Shameerali Kolothum Thodi wrote:
> Hi Eric,
>
>> -Original Message-
>> From: Eric Auger [mailto:eric.au...@redhat.com]
>> Sent: 18 November 2020 11:22
>> To: eric.auger@gmail.com; eric.au...@redhat.com;
>> io...@lists.linux-foundation.org;
Hi Shameer,
On 2/18/21 11:36 AM, Shameerali Kolothum Thodi wrote:
> Hi Eric,
>
>>> -Original Message-
>>> From: Eric Auger [mailto:eric.au...@redhat.com]
>>> Sent: 16 November 2020 11:00
>>> To: eric.auger@gmail.com; eric.au...@redhat.com;
>>> io...@lists.linux-foundation.org;
Hi Keqian,
On 2/18/21 9:43 AM, Keqian Zhu wrote:
> Hi Eric,
>
> On 2021/2/12 16:55, Auger Eric wrote:
>> Hi Keqian,
>>
>> On 2/1/21 12:52 PM, Keqian Zhu wrote:
>>> Hi Eric,
>>>
>>> On 2020/11/18 19:21, Eric Auger wrote:
>>>
Hi Shameer,
On 12/3/20 7:42 PM, Shameerali Kolothum Thodi wrote:
> Hi Eric,
>
>> -Original Message-
>> From: kvmarm-boun...@lists.cs.columbia.edu
>> [mailto:kvmarm-boun...@lists.cs.columbia.edu] On Behalf Of Auger Eric
>> Sent: 01 December 2020 13:59
>>
Hi Vivek,
On 2/12/21 11:58 AM, Vivek Gautam wrote:
> Update nested domain information required for stage1 page table.
>
> Signed-off-by: Vivek Gautam
> ---
> drivers/iommu/arm/arm-smmu-v3/arm-smmu-v3.c | 16 ++--
> 1 file changed, 14 insertions(+), 2 deletions(-)
>
> diff --git
Hi Vivek,
On 2/12/21 11:58 AM, Vivek Gautam wrote:
> Update nested domain information required for stage1 page table.
s/reuqired/required in the commit title
>
> Signed-off-by: Vivek Gautam
> ---
> drivers/iommu/arm/arm-smmu-v3/arm-smmu-v3.c | 16 ++--
> 1 file changed, 14
Hi Vivek,
On 2/12/21 11:58 AM, Vivek Gautam wrote:
> Add a vendor specific structure for domain nesting info for
> arm smmu-v3, and necessary info fields required to populate
> stage1 page tables.
>
> Signed-off-by: Vivek Gautam
> ---
> include/uapi/linux/iommu.h | 31
Hi Keqian,
On 2/1/21 12:52 PM, Keqian Zhu wrote:
> Hi Eric,
>
> On 2020/11/18 19:21, Eric Auger wrote:
>> On ARM, MSI are translated by the SMMU. An IOVA is allocated
>> for each MSI doorbell. If both the host and the guest are exposed
>> with SMMUs, we end up with 2 different IOVAs allocated by
Hi Keqian,
On 2/2/21 8:14 AM, Keqian Zhu wrote:
> Hi Eric,
>
> On 2020/11/18 19:21, Eric Auger wrote:
>> When nested stage translation is setup, both s1_cfg and
>> s2_cfg are set.
>>
>> We introduce a new smmu domain abort field that will be set
>> upon guest stage1 configuration passing.
>>
>>
Hi Keqian,
On 2/2/21 9:03 AM, Keqian Zhu wrote:
> Hi Eric,
>
> On 2020/11/18 19:21, Eric Auger wrote:
>> On attach_pasid_table() we program STE S1 related info set
>> by the guest into the actual physical STEs. At minimum
>> we need to program the context descriptor GPA and compute
>> whether
Hi Vikas,
On 1/29/21 6:24 PM, Vikas Gupta wrote:
> Add msi support for Broadcom FlexRm device.
>
> Signed-off-by: Vikas Gupta
> ---
> .../platform/reset/vfio_platform_bcmflexrm.c | 72 ++-
> 1 file changed, 70 insertions(+), 2 deletions(-)
>
> diff --git
Hi Vikas,
On 1/29/21 6:24 PM, Vikas Gupta wrote:
> In the case of msi, vendor specific msi module may require
> region access to handle msi cleanup so we need to cleanup region
> after irq cleanup only.
>
> Signed-off-by: Vikas Gupta
Acked-by: Eric Auger
Thanks
Eric
> ---
>
Hi Vikas,
On 1/29/21 6:24 PM, Vikas Gupta wrote:
> MSI support for platform devices. MSI is added
s/MSI support/ Add MSI support
> as a single 'index' with 'count' as the number of
> MSI(s) supported by the devices.
as a single 'index' following the last wired irq index index, with count.
It
Hi Uwe,
On 1/26/21 5:58 PM, Uwe Kleine-König wrote:
> All amba drivers return 0 in their remove callback. Together with the
> driver core ignoring the return value anyhow, it doesn't make sense to
> return a value here.
>
> Change the remove prototype to return void, which makes it explicit that
Hi Keqian,
On 2/1/21 1:26 PM, Keqian Zhu wrote:
> Hi Eric,
>
> On 2020/11/18 19:21, Eric Auger wrote:
>> From: Jean-Philippe Brucker
>>
>> When handling faults from the event or PRI queue, we need to find the
>> struct device associated to a SID. Add a rb_tree to keep track of SIDs.
>>
>>
Hi Keqian,
On 2/1/21 12:27 PM, Keqian Zhu wrote:
> Hi Eric,
>
> On 2020/11/18 19:21, Eric Auger wrote:
>> In virtualization use case, when a guest is assigned
>> a PCI host device, protected by a virtual IOMMU on the guest,
>> the physical IOMMU must be programmed to be consistent with
>> the
Hi Vivek,
On 1/21/21 6:34 PM, Vivek Kumar Gautam wrote:
> Hi Eric,
>
>
> On 1/19/21 2:33 PM, Auger Eric wrote:
>> Hi Vivek,
>>
>> On 1/15/21 1:13 PM, Vivek Gautam wrote:
>>> This patch-series aims at enabling Nested stage translation in guests
>>>
Hi Alex,
On 1/19/21 11:45 PM, Alex Williamson wrote:
> On Fri, 15 Jan 2021 10:24:33 +0100
> Auger Eric wrote:
>
>> Hi Vikas,
>> On 1/15/21 7:35 AM, Vikas Gupta wrote:
>>> Hi Eric,
>>>
>>> On Tue, Jan 12, 2021 at 2:52 PM Auger Eric wrote:
&
Hi Vivek,
On 1/15/21 1:13 PM, Vivek Gautam wrote:
> This patch-series aims at enabling Nested stage translation in guests
> using virtio-iommu as the paravirtualized iommu. The backend is supported
> with Arm SMMU-v3 that provides nested stage-1 and stage-2 translation.
>
> This series derives
Hi Vikas,
On 1/15/21 7:26 AM, Vikas Gupta wrote:
> Hi Eric,
>
> On Tue, Jan 12, 2021 at 2:30 PM Auger Eric wrote:
>>
>> Hi Vikas,
>>
>> On 1/5/21 6:53 AM, Vikas Gupta wrote:
>>> On Tue, Dec 22, 2020 at 10:57 PM Auger Eric wrote:
>>>>
>
Hi Vikas,
On 1/15/21 7:35 AM, Vikas Gupta wrote:
> Hi Eric,
>
> On Tue, Jan 12, 2021 at 2:52 PM Auger Eric wrote:
>>
>> Hi Vikas,
>>
>> On 12/14/20 6:45 PM, Vikas Gupta wrote:
>>> Add msi support for Broadcom platform devices
>>>
>>> Si
Hi Jean,
On 1/14/21 6:33 PM, Jean-Philippe Brucker wrote:
> Hi Eric,
>
> On Thu, Jan 14, 2021 at 05:58:27PM +0100, Auger Eric wrote:
>>>> The uacce-devel branches from
>>>>> https://github.com/Linaro/linux-kernel-uadk do provide this at the moment
>&g
Hi Shameer, Jean-Philippe,
On 12/4/20 11:23 AM, Auger Eric wrote:
> Hi Shameer, Jean-Philippe,
>
> On 12/4/20 11:20 AM, Shameerali Kolothum Thodi wrote:
>> Hi Jean,
>>
>>> -Original Message-
>>> From: Jean-Philippe Brucker [mailto:jean-phili...@li
Hi Alexandru,
On 1/12/21 6:02 PM, Alexandru Elisei wrote:
> Hi Eric,
>
> On 12/12/20 6:50 PM, Eric Auger wrote:
>> Commit 23bde34771f1 ("KVM: arm64: vgic-v3: Drop the
>> reporting of GICR_TYPER.Last for userspace") temporarily fixed
>> a bug identified when attempting to access the GICR_TYPER
>>
Hi Alexandru,
On 1/12/21 3:55 PM, Alexandru Elisei wrote:
> Hi Eric,
>
> On 12/12/20 6:50 PM, Eric Auger wrote:
>> has_run_once is set to true at the beginning of
>> kvm_vcpu_first_run_init(). This generally is not an issue
>> except when exercising the code with KVM selftests. Indeed,
>> if
Hi Alexandru,
On 1/6/21 5:32 PM, Alexandru Elisei wrote:
> Hi Eric,
>
> On 12/12/20 6:50 PM, Eric Auger wrote:
>> KVM_DEV_ARM_VGIC_GRP_ADDR group doc says we should return
>> -EEXIST in case the base address of the redist is already set.
>> We currently return -EINVAL.
>>
>> However we need to
Hi Marc,
On 12/28/20 4:35 PM, Marc Zyngier wrote:
> Hi Eric,
>
> On Sat, 12 Dec 2020 18:50:04 +,
> Eric Auger wrote:
>>
>> vgic_register_all_redist_iodevs may succeed while
>> vgic_register_all_redist_iodevs fails. For example this can happen
>
> The same function cannot both fail and
Hi Alexandru,
On 1/12/21 4:39 PM, Alexandru Elisei wrote:
> Hi Eric,
>
> On 12/12/20 6:50 PM, Eric Auger wrote:
>> kvm_arch_vcpu_precreate() returns -EBUSY if the vgic is
>> already initialized. So let's document that KVM_DEV_ARM_VGIC_CTRL_INIT
>> must be called after all vcpu creations.
>
>
Hi Marc,
On 12/28/20 4:41 PM, Marc Zyngier wrote:
> On Sat, 12 Dec 2020 18:50:05 +,
> Eric Auger wrote:
>>
>> On vgic_dist_destroy(), the addresses are not reset. However for
>> kvm selftest purpose this would allow to continue the test execution
>> even after a failure when running KVM_RUN.
Hi Alexandru,
On 1/6/21 6:12 PM, Alexandru Elisei wrote:
> Hi Eric,
>
> The patch looks correct to me. kvm_vgic_addr() masks out all the bits except
> index
> from addr, so we don't need to do it in vgic_get_common_attr():
>
> Reviewed-by: Alexandru Elisei
>
> One nitpick below.
>
> On
Hi Alexandru,
On 1/12/21 5:16 PM, Alexandru Elisei wrote:
> Hi Eric,
>
> On 1/12/21 4:04 PM, Alexandru Elisei wrote:
>> Hi Eric,
>>
>> On 12/12/20 6:50 PM, Eric Auger wrote:
>>> Instead of converting the vgic_io_device handle to a kvm_io_device
>>> handled and then do the oppositive, pass a
Hi Shameer,
On 1/8/21 6:05 PM, Shameerali Kolothum Thodi wrote:
> Hi Eric,
>
>> -Original Message-
>> From: Eric Auger [mailto:eric.au...@redhat.com]
>> Sent: 18 November 2020 11:22
>> To: eric.auger@gmail.com; eric.au...@redhat.com;
>> io...@lists.linux-foundation.org;
Hi Vikas,
On 12/14/20 6:45 PM, Vikas Gupta wrote:
> Add msi support for Broadcom platform devices
>
> Signed-off-by: Vikas Gupta
> ---
> drivers/vfio/platform/Kconfig | 1 +
> drivers/vfio/platform/Makefile| 1 +
> drivers/vfio/platform/msi/Kconfig
Hi Vikas,
On 1/5/21 6:53 AM, Vikas Gupta wrote:
> On Tue, Dec 22, 2020 at 10:57 PM Auger Eric wrote:
>>
>> Hi Vikas,
>>
>> On 12/14/20 6:45 PM, Vikas Gupta wrote:
>>> MSI support for platform devices.The MSI block
>>> is added as an extended IRQ
Hi Vikas,
On 12/14/20 6:45 PM, Vikas Gupta wrote:
> MSI support for platform devices.The MSI block
> is added as an extended IRQ which exports caps
> VFIO_IRQ_INFO_CAP_TYPE and VFIO_IRQ_INFO_CAP_MSI_DESCS.
>
> Signed-off-by: Vikas Gupta
> ---
> drivers/vfio/platform/vfio_platform_common.c |
Hi Shenming,
On 12/1/20 1:15 PM, Shenming Lu wrote:
> On 2020/12/1 19:50, Marc Zyngier wrote:
>> On 2020-12-01 11:40, Shenming Lu wrote:
>>> On 2020/12/1 18:55, Marc Zyngier wrote:
On 2020-11-30 07:23, Shenming Lu wrote:
Hi Shenming,
> We are pondering over this problem
Hi Vikas,
On 12/10/20 8:34 AM, Vikas Gupta wrote:
> HI Eric,
>
> On Tue, Dec 8, 2020 at 2:13 AM Auger Eric wrote:
>>
>> Hi Vikas,
>>
>> On 12/3/20 3:50 PM, Vikas Gupta wrote:
>>> Hi Eric,
>>>
>>> On Wed, Dec 2, 2020 at 8:14 PM Auger Er
Hi Vikas,
On 12/3/20 3:50 PM, Vikas Gupta wrote:
> Hi Eric,
>
> On Wed, Dec 2, 2020 at 8:14 PM Auger Eric wrote:
>>
>> Hi Vikas,
>>
>> On 11/24/20 5:16 PM, Vikas Gupta wrote:
>>> MSI support for platform devices.
>>>
>>> Si
Hi Shameer, Jean-Philippe,
On 12/4/20 11:20 AM, Shameerali Kolothum Thodi wrote:
> Hi Jean,
>
>> -Original Message-
>> From: Jean-Philippe Brucker [mailto:jean-phili...@linaro.org]
>> Sent: 04 December 2020 09:54
>> To: Shameerali Kolothum Thodi
&
Hi Kunkun,
On 12/3/20 1:32 PM, Kunkun Jiang wrote:
> Hi Eric,
>
> On 2020/11/18 19:21, Eric Auger wrote:
>> When nested stage translation is setup, both s1_cfg and
>> s2_cfg are set.
>>
>> We introduce a new smmu domain abort field that will be set
>> upon guest stage1 configuration passing.
>>
Hi Andy,
On 10/27/20 6:58 PM, Andy Shevchenko wrote:
> Switch to use new platform_get_mem_or_io_resource() instead of
> home grown analogue.
>
> Cc: Eric Auger
> Cc: Alex Williamson
> Cc: Cornelia Huck
> Cc: k...@vger.kernel.org
> Signed-off-by: Andy Shevchenko
Acked-by: Eric Auger
Thanks
Hi Uwe,
On 11/24/20 2:31 PM, Uwe Kleine-König wrote:
> From: Uwe Kleine-König
>
> vfio_platform_remove_common() cannot return non-NULL in
> vfio_amba_remove() as the latter is only called if vfio_amba_probe()
> returned success.
>
> Diagnosed-by: Arnd Bergmann
> Signed-off-by: Uwe
Hi Vikas,
On 11/24/20 5:16 PM, Vikas Gupta wrote:
> MSI support for platform devices.
>
> Signed-off-by: Vikas Gupta
> ---
> drivers/vfio/platform/vfio_platform_common.c | 99 ++-
> drivers/vfio/platform/vfio_platform_irq.c | 260 +-
>
Hi Vikas,
On 11/24/20 5:16 PM, Vikas Gupta wrote:
> This RFC adds support for MSI for platform devices.
> MSI block is added as an ext irq along with the existing
> wired interrupt implementation.
>
> Changes from:
> -
> v1 to v2:
> 1) IRQ allocation has been implemented as
Hi Xingang,
On 12/1/20 2:33 PM, Xingang Wang wrote:
> Hi Eric
>
> On Wed, 18 Nov 2020 12:21:43, Eric Auger wrote:
>> @@ -1710,7 +1710,11 @@ static void arm_smmu_tlb_inv_context(void *cookie)
>> * insertion to guarantee those are observed before the TLBI. Do be
>> * careful, 007.
>>
Hi Shameer, Qubingbing
On 11/23/20 1:51 PM, Shameerali Kolothum Thodi wrote:
> Hi Eric,
>
>> -Original Message-
>> From: Eric Auger [mailto:eric.au...@redhat.com]
>> Sent: 16 November 2020 11:00
>> To: eric.auger@gmail.com; eric.au...@redhat.com;
>> io...@lists.linux-foundation.org;
Hi Jacob,
On 11/18/20 5:19 PM, Jacob Pan wrote:
> Hi Eric,
>
> On Wed, 18 Nov 2020 12:21:37 +0100, Eric Auger
> wrote:
>
>> In virtualization use case, when a guest is assigned
>> a PCI host device, protected by a virtual IOMMU on the guest,
>> the physical IOMMU must be programmed to be
Hi Vikas,
On 11/17/20 5:36 PM, Vikas Gupta wrote:
> Hi Eric,
>
> On Tue, Nov 17, 2020 at 1:55 PM Auger Eric wrote:
>>
>> Hi Vikas,
>>
>> On 11/17/20 9:05 AM, Auger Eric wrote:
>>> Hi Vikas,
>>>
>>> On 11/17/20 7:25 AM, Vikas Gupta wr
Hi Zenghui,
On 11/17/20 4:16 PM, Zenghui Yu wrote:
> It was recently reported that if GICR_TYPER is accessed before the RD base
> address is set, we'll suffer from the unset @rdreg dereferencing. Oops...
>
> gpa_t last_rdist_typer = rdreg->base + GICR_TYPER +
>
Hi Shameer,
On 11/17/20 12:39 PM, Shameerali Kolothum Thodi wrote:
> Hi Eric,
>
>> -Original Message-
>> From: Eric Auger [mailto:eric.au...@redhat.com]
>> Sent: 16 November 2020 10:43
>> To: eric.auger@gmail.com; eric.au...@redhat.com;
>> io...@lists.linux-foundation.org;
Hi Marc,
On 11/17/20 9:49 AM, Marc Zyngier wrote:
> Hi Zenghui,
>
> On 2020-11-16 14:57, Zenghui Yu wrote:
>> Hi Marc,
>>
>> On 2020/11/16 22:10, Marc Zyngier wrote:
My take is that only if the "[Re]Distributor base address" is specified
in the system memory map, will the user-provided
Hi Zenghui,
On 11/17/20 9:49 AM, Marc Zyngier wrote:
> Hi Zenghui,
>
> On 2020-11-16 14:57, Zenghui Yu wrote:
>> Hi Marc,
>>
>> On 2020/11/16 22:10, Marc Zyngier wrote:
My take is that only if the "[Re]Distributor base address" is specified
in the system memory map, will the
Hi Shameer,
On 5/13/20 5:57 PM, Shameerali Kolothum Thodi wrote:
> Hi Eric,
>
>> -Original Message-----
>> From: Auger Eric [mailto:eric.au...@redhat.com]
>> Sent: 13 May 2020 14:29
>> To: Shameerali Kolothum Thodi ;
>> Zhangfei Gao ; eric.auger
Hi Vikas,
On 11/17/20 9:05 AM, Auger Eric wrote:
> Hi Vikas,
>
> On 11/17/20 7:25 AM, Vikas Gupta wrote:
>> Hi Eric,
>>
>> On Mon, Nov 16, 2020 at 6:44 PM Auger Eric wrote:
>>>
>>> Hi Vikas,
>>>
>>> On 11/13/20 6:24 PM, Vikas Gupta
Hi Vikas,
On 11/17/20 7:25 AM, Vikas Gupta wrote:
> Hi Eric,
>
> On Mon, Nov 16, 2020 at 6:44 PM Auger Eric wrote:
>>
>> Hi Vikas,
>>
>> On 11/13/20 6:24 PM, Vikas Gupta wrote:
>>> Hi Eric,
>>>
>>> On Fri, Nov 13, 2020 at 12:10 AM Au
Hi Vikas,
On 11/13/20 6:24 PM, Vikas Gupta wrote:
> Hi Eric,
>
> On Fri, Nov 13, 2020 at 12:10 AM Auger Eric wrote:
>>
>> Hi Vikas,
>>
>> On 11/12/20 6:58 PM, Vikas Gupta wrote:
>>> This RFC adds support for MSI for platform devices.
>>&g
Hi Zenghui,
On 9/24/20 10:23 AM, Zenghui Yu wrote:
> Hi Eric,
>
> On 2020/3/21 0:19, Eric Auger wrote:
>> Add a new specific DMA_FAULT region aiming to exposed nested mode
>> translation faults.
>>
>> The region has a ring buffer that contains the actual fault
>> records plus a header allowing to
Hi Zenghui,
On 9/24/20 10:49 AM, Zenghui Yu wrote:
> Hi Eric,
>
> On 2020/3/21 0:19, Eric Auger wrote:
>> Register an IOMMU fault handler which records faults in
>> the DMA FAULT region ring buffer. In a subsequent patch, we
>> will add the signaling of a specific eventfd to allow the
>>
Hi Vikas,
On 11/12/20 6:58 PM, Vikas Gupta wrote:
> This RFC adds support for MSI for platform devices.
> a) MSI(s) is/are added in addition to the normal interrupts.
> b) The vendor specific MSI configuration can be done using
>callbacks which is implemented as msi module.
> c) Adds a msi
Hi Vikas,
On 11/9/20 7:41 AM, Vikas Gupta wrote:
> Hi Alex,
>
> On Fri, Nov 6, 2020 at 8:42 AM Alex Williamson
> wrote:
>>
>> On Fri, 6 Nov 2020 08:24:26 +0530
>> Vikas Gupta wrote:
>>
>>> Hi Alex,
>>>
>>> On Thu, Nov 5, 2020 at 12:38 PM Alex Williamson
>>> wrote:
On Thu, 5 Nov
Hi Vikas,
On 11/6/20 3:54 AM, Vikas Gupta wrote:
> Hi Alex,
>
> On Thu, Nov 5, 2020 at 12:38 PM Alex Williamson
> wrote:
>>
>> On Thu, 5 Nov 2020 11:32:55 +0530
>> Vikas Gupta wrote:
>>
>>> diff --git a/include/uapi/linux/vfio.h b/include/uapi/linux/vfio.h
>>> index 2f313a238a8f..aab051e8338d
Hi Shameer,
On 10/27/20 1:20 PM, Shameerali Kolothum Thodi wrote:
> Hi Eric,
>
>> -Original Message-
>> From: iommu [mailto:iommu-boun...@lists.linux-foundation.org] On Behalf Of
>> Auger Eric
>> Sent: 23 September 2020 12:47
>> To: yuzengh
-by: Diana Craciun
Reviewed-by: Eric Auger
Eric
> ---
> drivers/vfio/fsl-mc/vfio_fsl_mc.c | 18 +-
> 1 file changed, 17 insertions(+), 1 deletion(-)
>
> diff --git a/drivers/vfio/fsl-mc/vfio_fsl_mc.c
> b/drivers/vfio/fsl-mc/vfio_fsl_mc.c
> index d95568cd80
Hi Diana,
On 10/5/20 7:36 PM, Diana Craciun wrote:
> From: Bharat Bhushan
>
> DPAA2 (Data Path Acceleration Architecture) consists in
> mechanisms for processing Ethernet packets, queue management,
> accelerators, etc.
>
> The Management Complex (mc) is a hardware entity that manages the DPAA2
Hi Diana,
On 10/5/20 7:36 PM, Diana Craciun wrote:
> The DPRC (Data Path Resource Container) device is a bus device and has
> child devices attached to it. When the vfio-fsl-mc driver is probed
> the DPRC is scanned and the child devices discovered and initialized.
>
> Signed-off-by: Bharat
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