> -Original Message-
> From: Peter Xu
> Sent: Thursday, February 13, 2020 11:14 PM
> To: Liu, Yi L
> Subject: Re: [RFC v3 16/25] intel_iommu: add PASID cache management
> infrastructure
>
> On Thu, Feb 13, 2020 at 02:59:37AM +, Liu, Yi L wrote:
> &g
> From: Peter Xu < pet...@redhat.com >
> Sent: Thursday, February 13, 2020 11:09 PM
> To: Liu, Yi L
> Subject: Re: [RFC v3 14/25] intel_iommu: add virtual command capability
> support
>
> On Thu, Feb 13, 2020 at 09:31:10AM -0500, Peter Xu wrote:
>
> [...]
>
> From: David Gibson < da...@gibson.dropbear.id.au >
> Sent: Friday, February 14, 2020 1:36 PM
> To: Liu, Yi L
> Subject: Re: [RFC v3 03/25] hw/iommu: introduce IOMMUContext
>
> On Wed, Feb 12, 2020 at 07:15:13AM +, Liu, Yi L wrote:
> > Hi Peter,
> &
> From: Peter Xu
> Sent: Wednesday, February 12, 2020 11:26 PM
> To: Liu, Yi L
> Subject: Re: [RFC v3 16/25] intel_iommu: add PASID cache management
> infrastructure
>
> On Wed, Feb 12, 2020 at 08:37:30AM +, Liu, Yi L wrote:
> > > From: Peter Xu
> > &g
> From: Peter Xu
> Sent: Thursday, February 13, 2020 12:00 AM
> To: Liu, Yi L
> Subject: Re: [RFC v3 03/25] hw/iommu: introduce IOMMUContext
>
> On Wed, Feb 12, 2020 at 07:15:13AM +, Liu, Yi L wrote:
>
> [...]
>
> > While considering your suggestion on
> From: Peter Xu
> Sent: Thursday, February 13, 2020 12:06 AM
> To: Liu, Yi L
> Subject: Re: [RFC v3 13/25] intel_iommu: modify x-scalable-mode to be string
> option
>
> On Wed, Feb 12, 2020 at 07:28:24AM +, Liu, Yi L wrote:
> > > From: Peter Xu
> > &g
> From: Peter Xu
> Sent: Wednesday, February 12, 2020 5:57 AM
> To: Liu, Yi L
> Subject: Re: [RFC v3 14/25] intel_iommu: add virtual command capability
> support
>
> On Wed, Jan 29, 2020 at 04:16:45AM -0800, Liu, Yi L wrote:
> > +/*
> > + * The basic idea is
> From: Peter Xu
> Sent: Wednesday, February 12, 2020 7:36 AM
> To: Liu, Yi L
> Subject: Re: [RFC v3 16/25] intel_iommu: add PASID cache management
> infrastructure
>
> On Wed, Jan 29, 2020 at 04:16:47AM -0800, Liu, Yi L wrote:
> > From: Liu Yi L
> >
> From: Peter Xu
> Sent: Wednesday, February 12, 2020 4:17 AM
> To: Liu, Yi L
> Subject: Re: [RFC v3 15/25] intel_iommu: process pasid cache invalidation
>
> On Wed, Jan 29, 2020 at 04:16:46AM -0800, Liu, Yi L wrote:
> > From: Liu Yi L
> >
> > This patch ad
> From: Peter Xu
> Sent: Wednesday, February 12, 2020 4:16 AM
> To: Liu, Yi L
> Subject: Re: [RFC v3 14/25] intel_iommu: add virtual command capability
> support
>
> On Wed, Jan 29, 2020 at 04:16:45AM -0800, Liu, Yi L wrote:
> > From: Liu Yi L
> >
> >
> From: Peter Xu
> Sent: Wednesday, February 12, 2020 3:44 AM
> To: Liu, Yi L
> Subject: Re: [RFC v3 13/25] intel_iommu: modify x-scalable-mode to be string
> option
>
> On Wed, Jan 29, 2020 at 04:16:44AM -0800, Liu, Yi L wrote:
> > From: Liu Yi L
> >
>
> From: Peter Xu
> Sent: Wednesday, February 12, 2020 3:32 AM
> To: Liu, Yi L
> Subject: Re: [RFC v3 12/25] vfio/common: add pasid_alloc/free support
>
> On Wed, Jan 29, 2020 at 04:16:43AM -0800, Liu, Yi L wrote:
> > From: Liu Yi L
> >
> > This patch adds VF
> From: Peter Xu
> Sent: Wednesday, February 12, 2020 3:30 AM
> To: Liu, Yi L
> Subject: Re: [RFC v3 11/25] vfio: get stage-1 pasid formats from Kernel
>
> On Wed, Jan 29, 2020 at 04:16:42AM -0800, Liu, Yi L wrote:
> > From: Liu Yi L
> >
> > VFIO checks IOM
> From: Peter Xu
> Sent: Wednesday, February 12, 2020 3:08 AM
> Subject: Re: [RFC v3 09/25] vfio: check VFIO_TYPE1_NESTING_IOMMU support
>
> On Wed, Jan 29, 2020 at 04:16:40AM -0800, Liu, Yi L wrote:
> > From: Liu Yi L
> >
> > VFIO needs to check VFIO_TYPE1_
Hi Peter,
> From: Peter Xu
> Sent: Wednesday, February 12, 2020 12:59 AM
> To: Liu, Yi L
> Subject: Re: [RFC v3 03/25] hw/iommu: introduce IOMMUContext
>
> On Fri, Jan 31, 2020 at 11:42:13AM +, Liu, Yi L wrote:
> > > I'm not very clear on the relation
> From: kvm-ow...@vger.kernel.org [mailto:kvm-ow...@vger.kernel.org] On Behalf
> Of Cornelia Huck
> Sent: Wednesday, January 29, 2020 8:29 PM
> To: Liu, Yi L
> Subject: Re: [RFC v3 07/25] header file update VFIO/IOMMU vSVA APIs
>
> On Wed, 29 Jan 2020 04:16:38 -0800
Hi David,
> From: David Gibson [mailto:da...@gibson.dropbear.id.au]
> Sent: Friday, January 31, 2020 11:59 AM
> To: Liu, Yi L
> Subject: Re: [RFC v3 02/25] hw/iommu: introduce DualStageIOMMUObject
>
> On Wed, Jan 29, 2020 at 04:16:33AM -0800, Liu, Yi L wrote:
Hi David,
> From: David Gibson [mailto:da...@gibson.dropbear.id.au]
> Sent: Friday, January 31, 2020 12:07 PM
> To: Liu, Yi L
> Subject: Re: [RFC v3 03/25] hw/iommu: introduce IOMMUContext
>
> On Wed, Jan 29, 2020 at 04:16:34AM -0800, Liu, Yi L wrote:
> > From: Peter Xu
> From: Cornelia Huck [mailto:coh...@redhat.com]
> Sent: Wednesday, January 29, 2020 8:25 PM
> To: Liu, Yi L
> Subject: Re: [RFC v3 06/25] scripts/update-linux-headers: Import iommu.h
>
> On Wed, 29 Jan 2020 04:16:37 -0800
> "Liu, Yi L" wrote:
>
> > Fro
From: Liu Yi L
This patch adds the basic PASID-based iotlb (piotlb) invalidation
support. piotlb is used during walking Intel VT-d 1st level page
table. This patch only adds the basic processing. Detailed handling
will be added in next patch.
Cc: Kevin Tian
Cc: Jacob Pan
Cc: Peter Xu
Cc: Yi
From: Liu Yi L
RID_PASID field was introduced in VT-d 3.0 spec, it is used
for DMA requests w/o PASID in scalable mode VT-d. It is also
known as IOVA. And in VT-d 3.1 spec, there is definition on it:
"Implementations not supporting RID_PASID capability
(ECAP_REG.RPS is 0b), use a PASID
From: Liu Yi L
This patch adds an empty handling for PASID-based Device-TLB
invalidation. For now it is enough as it is not necessary to
propagate it to host for passthru device and also there is no
emulated device has device tlb.
Cc: Kevin Tian
Cc: Jacob Pan
Cc: Peter Xu
Cc: Yi Sun
Cc
From: Liu Yi L
This patch adds flush_stage1_cache() definition in DualStageIOMMUOops.
And adds corresponding implementation in VFIO. This is to expose a way
for vIOMMU to flush stage-1 cache in host side since guest owns stage-1
translation structures in dual stage DMA translation.
Cc: Kevin
From: Liu Yi L
This patch adds a PASID cache management infrastructure based on
new added structure VTDPASIDAddressSpace, which is used to track
the PASID usage and future PASID tagged DMA address translation
support in vIOMMU.
struct VTDPASIDAddressSpace {
VTDBus *vtd_bus
From: Liu Yi L
This patch replays guest pasid bindings after context cache
invalidation. This is a behavior to ensure safety. Actually,
programmer should issue pasid cache invalidation with proper
granularity after issuing a context cache invalidation.
Cc: Kevin Tian
Cc: Jacob Pan
Cc: Peter
From: Liu Yi L
This patch adds bind_stage1_pgtbl() definition in DualStageIOMMUOops,
also adds corresponding implementation in VFIO. This is to expose a
way for vIOMMU to setup dual stage DMA translation for passthru devices
on hardware.
Cc: Kevin Tian
Cc: Jacob Pan
Cc: Peter Xu
Cc: Eric
From: Liu Yi L
This patch adds PASID cache invalidation handling. When guest enabled
PASID usages (e.g. SVA), guest software should issue a proper PASID
cache invalidation when caching-mode is exposed. This patch only adds
the draft handling of pasid cache invalidation. Detailed handling
From: Liu Yi L
VFIO checks IOMMU UAPI version when it finds Kernel supports
VFIO_TYPE1_NESTING_IOMMU. It is enough for UAPI compatibility
check. However, IOMMU UAPI may support multiple stage-1 pasid
formats in a specific UAPI version, which is highly possible
since IOMMU UAPI supports stage-1
From: Liu Yi L
This patch captures the guest PASID table entry modifications and
propagates the changes to host to setup dual stage DMA translation.
The guest page table is configured as 1st level page table (GVA->GPA)
whose translation result would further go through host VT-d 2nd
level p
From: Liu Yi L
Intel VT-d 3.0 introduces scalable mode, and it has a bunch of capabilities
related to scalable mode translation, thus there are multiple combinations.
While this vIOMMU implementation wants simplify it for user by providing
typical combinations. User could config it by &q
From: Liu Yi L
This patch propagates PASID-based iotlb invalidation to host.
Intel VT-d 3.0 supports nested translation in PASID granular.
Guest SVA support could be implemented by configuring nested
translation on specific PASID. This is also known as dual stage
DMA translation.
Under
From: Liu Yi L
This patch adds VFIO pasid alloc/free support to allow host intercept
in PASID allocation for VM by adding VFIO implementation of
DualStageIOMMUOps.pasid_alloc/free callbacks.
Cc: Kevin Tian
Cc: Jacob Pan
Cc: Peter Xu
Cc: Eric Auger
Cc: Yi Sun
Cc: David Gibson
Cc: Alex
From: Liu Yi L
After confirming dual stage DMA translation support
with kernel by checking VFIO_TYPE1_NESTING_IOMMU,
VFIO could register DualStageIOMMUObject instance to
vIOMMU, thus that vIOMMU is aware of such hardware
capability. vIOMMU may make use of such capability by
leveraging the ops
From: Liu Yi L
Currently, many platform vendors provide the capability of dual stage
DMA address translation in hardware. For example, nested translation
on Intel VT-d scalable mode, nested stage translation on ARM SMMUv3,
and etc. In dual stage DMA address translation, there are two stages
From: Liu Yi L
This patch adds guest pasid bindings replay for domain
selective pasid cache invalidation(dsi) and global pasid
cache invalidation by walking guest pasid table.
Reason:
Guest OS may flush the pasid cache with a larger granularity.
e.g. guest does a svm_bind() but flush the pasid
From: Liu Yi L
This patch modifies pci_setup_iommu() to set PCIIOMMUOps
instead of setting PCIIOMMUFunc. PCIIOMMUFunc is used to
get an address space for a PCI device in vendor specific
way. The PCIIOMMUOps still offers this functionality. But
using PCIIOMMUOps leaves space to add more iommu
From: Liu Yi L
IOMMUContext provides an explicit way for VFIO to talk with vIOMMU.
This patch passes IOMMUContext instance into vfio_get_group() for
the reason of potential VFIO_TYPE1_NESTING_IOMMU configuration as
such configuration requires interaction with vIOMMU.
Cc: Kevin Tian
Cc: Jacob
From: Liu Yi L
This patch adds get_iommu_context() callback to return an
iommu_context Intel VT-d platform.
Cc: Kevin Tian
Cc: Jacob Pan
Cc: Peter Xu
Cc: Yi Sun
Cc: Paolo Bonzini
Cc: Richard Henderson
Cc: Eduardo Habkost
Signed-off-by: Liu Yi L
---
hw/i386/intel_iommu.c | 92
Pan
Cc: Peter Xu
Cc: Eric Auger
Cc: Yi Sun
Cc: David Gibson
Signed-off-by: Peter Xu
Signed-off-by: Liu Yi L
---
hw/iommu/Makefile.objs | 1 +
hw/iommu/iommu_context.c | 54 +++
include/hw/iommu/iommu_context.h | 61
From: Liu Yi L
This patch adds virtual command support to Intel vIOMMU per
Intel VT-d 3.1 spec. And adds two virtual commands: allocate
pasid and free pasid.
Cc: Kevin Tian
Cc: Jacob Pan
Cc: Peter Xu
Cc: Yi Sun
Cc: Paolo Bonzini
Cc: Richard Henderson
Cc: Eduardo Habkost
Signed-off
From: Liu Yi L
This patch adds pci_device_iommu_context() to get an iommu_context
for a given device. A new callback is added in PCIIOMMUOps. Users
who wants to call into vIOMMU could leaverage it. And further vIOMMU
operation could be done via IOMMUContext.
Note:
Previous version has got
From: Eric Auger
Update the script to import the new iommu.h uapi header.
Cc: Kevin Tian
Cc: Jacob Pan
Cc: Peter Xu
Cc: Yi Sun
Cc: Michael S. Tsirkin
Cc: Cornelia Huck
Cc: Paolo Bonzini
Signed-off-by: Eric Auger
---
scripts/update-linux-headers.sh | 2 +-
1 file changed, 1
tioned in RFC v1.
RFC v1: https://patchwork.kernel.org/cover/11033657/
Eric Auger (1):
scripts/update-linux-headers: Import iommu.h
Liu Yi L (23):
hw/pci: modify pci_setup_iommu() to set PCIIOMMUOps
hw/iommu: introduce DualStageIOMMUObject
hw/pci: introduce pci_device_iommu_context()
inte
From: Liu Yi L
The kernel uapi/linux/iommu.h header file includes the
extensions for vSVA support. e.g. bind gpasid, iommu
fault report related user structures and etc.
Cc: Kevin Tian
Cc: Jacob Pan
Cc: Peter Xu
Cc: Yi Sun
Cc: Michael S. Tsirkin
Cc: Cornelia Huck
Cc: Paolo Bonzini
Signed
From: Liu Yi L
VFIO needs to check VFIO_TYPE1_NESTING_IOMMU
support with Kernel before further using it.
e.g. requires to check IOMMU UAPI version.
Cc: Kevin Tian
Cc: Jacob Pan
Cc: Peter Xu
Cc: Eric Auger
Cc: Yi Sun
Cc: David Gibson
Cc: Alex Williamson
Signed-off-by: Liu Yi L
Signed-off
Ensure the return value of vtd_find_as_from_bus_num() is NULL by
enforcing vtd_bus=NULL. This would help caller of vtd_find_as_from_bus_num()
to decide if any further operation on the returned vtd_bus.
Cc: Kevin Tian
Cc: Jacob Pan
Cc: Peter Xu
Cc: Yi Sun
Signed-off-by: Liu Yi L
Signed-off
These two fixes are found in vSVA implementation, and could be
upstreamed separately. Please feel free give your comments.
Thanks,
Yi Liu
Liu Yi L (2):
intel_iommu: a fix to vtd_find_as_from_bus_num()
intel_iommu: add present bit check for pasid table entries
hw/i386/intel_iommu.c
: Peter Xu
Cc: Yi Sun
Reviewed-by: Peter Xu
Signed-off-by: Liu Yi L
---
hw/i386/intel_iommu.c | 92 +-
hw/i386/intel_iommu_internal.h | 1 +
2 files changed, 74 insertions(+), 19 deletions(-)
diff --git a/hw/i386/intel_iommu.c b/hw/i386/intel_iom
>> On Dec 6, 2019, at 17:57, Peter Maydell wrote:
>>
>> On Fri, 6 Dec 2019 at 04:00, Liu, Yi L wrote:
>> Hi Peter,
>> I’m wondering what’s the rule of QEMU version naming and release.
>> I noticed there is a v3.1.1.1 released after v4.1.0 was released.
Hi David,
> From: David Gibson < da...@gibson.dropbear.id.au>
> Sent: Wednesday, November 20, 2019 12:28 PM
> To: Liu, Yi L
> Subject: Re: [RFC v2 09/22] vfio/pci: add iommu_context notifier for pasid
> alloc/free
>
> On Wed, Nov 06, 2019 at 12:14:50PM +, Liu, Yi
> From: Peter Xu
> Sent: Wednesday, November 6, 2019 10:01 PM
> To: Liu, Yi L
> Subject: Re: [RFC v2 10/22] intel_iommu: add virtual command capability
> support
>
> On Wed, Nov 06, 2019 at 12:40:41PM +, Liu, Yi L wrote:
> > >
> > > Do you know wha
> From: Peter Xu
> Sent: Saturday, November 2, 2019 1:26 AM
> To: David Gibson
> Subject: Re: [RFC v2 09/22] vfio/pci: add iommu_context notifier for pasid
> alloc/free
>
> On Tue, Oct 29, 2019 at 01:15:44PM +0100, David Gibson wrote:
> > > +union IOMMUCTXPASIDReqDesc {
> > > +struct {
> >
> From: Peter Xu
> Sent: Saturday, November 2, 2019 2:06 AM
> To: Liu, Yi L
> Subject: Re: [RFC v2 10/22] intel_iommu: add virtual command capability
> support
>
> On Thu, Oct 24, 2019 at 08:34:31AM -0400, Liu Yi L wrote:
> > This patch adds virtual command support to
> From: David Gibson
> Sent: Tuesday, November 5, 2019 12:02 AM
> To: Liu, Yi L
> Subject: Re: [RFC v2 14/22] vfio/pci: add iommu_context notifier for pasid
> bind/unbind
>
> On Thu, Oct 24, 2019 at 08:34:35AM -0400, Liu Yi L wrote:
> > This patch adds notifier
> From: David Gibson [mailto:da...@gibson.dropbear.id.au]
> Sent: Tuesday, October 29, 2019 8:16 PM
> To: Liu, Yi L
> Subject: Re: [RFC v2 09/22] vfio/pci: add iommu_context notifier for pasid
> alloc/free
>
> On Thu, Oct 24, 2019 at 08:34:30AM -0400, Liu Yi L wrote:
>
> From: David Gibson [mailto:da...@gibson.dropbear.id.au]
> Sent: Monday, October 28, 2019 1:39 AM
> To: Liu, Yi L
> Subject: Re: [RFC v2 04/22] hw/iommu: introduce IOMMUContext
>
> On Thu, Oct 24, 2019 at 08:34:25AM -0400, Liu Yi L wrote:
> > From: Peter Xu
> >
&g
> From: Peter Xu
> Sent: Friday, November 1, 2019 10:59 PM
> To: Liu, Yi L
> Subject: Re: [RFC v2 05/22] vfio/common: add iommu_ctx_notifier in container
>
> On Thu, Oct 24, 2019 at 08:34:26AM -0400, Liu Yi L wrote:
>
> [...]
>
> > +typedef struct VFIOIOMM
> From: Peter Xu [mailto:pet...@redhat.com]
> Sent: Friday, November 1, 2019 10:55 PM
> To: Liu, Yi L
> Subject: Re: [RFC v2 08/22] intel_iommu: provide get_iommu_context() callback
>
> On Thu, Oct 24, 2019 at 08:34:29AM -0400, Liu Yi L wrote:
> > This patch adds get_
> From: Peter Xu [mailto:pet...@redhat.com]
> Sent: Tuesday, November 5, 2019 8:50 PM
> To: Liu, Yi L
> Subject: Re: [RFC v2 03/22] intel_iommu: modify x-scalable-mode to be string
> option
>
> On Tue, Nov 05, 2019 at 09:14:08AM +, Liu, Yi L wrote:
> > > Som
> From: David Gibson
> Sent: Tuesday, October 29, 2019 7:51 PM
> To: Liu, Yi L
> Subject: Re: [RFC v2 07/22] hw/pci: introduce pci_device_iommu_context()
>
> On Thu, Oct 24, 2019 at 08:34:28AM -0400, Liu Yi L wrote:
> > This patch adds pci_device_iommu_context()
> From: David Gibson
> Sent: Monday, October 28, 2019 1:44 AM
> To: Liu, Yi L
> Subject: Re: [RFC v2 06/22] hw/pci: modify pci_setup_iommu() to set
> PCIIOMMUOps
>
> On Thu, Oct 24, 2019 at 08:34:27AM -0400, Liu Yi L wrote:
> > This patch modifies pci_setup_iommu()
> From: Peter Xu [mailto:pet...@redhat.com]
> Sent: Saturday, November 2, 2019 2:09 AM
> To: Liu, Yi L
> Subject: Re: [RFC v2 06/22] hw/pci: modify pci_setup_iommu() to set
> PCIIOMMUOps
>
> On Thu, Oct 24, 2019 at 08:34:27AM -0400, Liu Yi L wrote:
> > This pat
> From: Peter Xu [mailto:pet...@redhat.com]
> Sent: Sunday, November 3, 2019 12:21 AM
> To: Liu, Yi L
> Subject: Re: [RFC v2 12/22] intel_iommu: add present bit check for pasid table
> entries
>
> On Thu, Oct 24, 2019 at 08:34:33AM -0400, Liu Yi L wrote:
> > The presen
> From: Peter Xu [mailto:pet...@redhat.com]
> Sent: Saturday, November 2, 2019 2:10 AM
> To: Liu, Yi L
> Subject: Re: [RFC v2 07/22] hw/pci: introduce pci_device_iommu_context()
>
> On Thu, Oct 24, 2019 at 08:34:28AM -0400, Liu Yi L wrote:
> > This patch adds pci_devic
> From: Peter Xu [mailto:pet...@redhat.com]
> Sent: Tuesday, November 5, 2019 4:26 AM
> To: Liu, Yi L
> Subject: Re: [RFC v2 15/22] intel_iommu: bind/unbind guest page table to host
>
> On Thu, Oct 24, 2019 at 08:34:36AM -0400, Liu Yi L wrote:
> > This patch captures the
> From: Peter Xu [mailto:pet...@redhat.com]
> Sent: Tuesday, November 5, 2019 4:07 AM
> To: Liu, Yi L
> Subject: Re: [RFC v2 13/22] intel_iommu: add PASID cache management
> infrastructure
>
> On Thu, Oct 24, 2019 at 08:34:34AM -0400, Liu Yi L wrote:
> > This patch ad
> From: Peter Xu [mailto:pet...@redhat.com]
> Sent: Sunday, November 3, 2019 12:06 AM
> To: Liu, Yi L
> Subject: Re: [RFC v2 11/22] intel_iommu: process pasid cache invalidation
>
> On Thu, Oct 24, 2019 at 08:34:32AM -0400, Liu Yi L wrote:
> > This patch adds PASID cac
> From: Peter Xu [mailto:pet...@redhat.com]
> Sent: Friday, November 1, 2019 10:58 PM
> To: Liu, Yi L
> Subject: Re: [RFC v2 03/22] intel_iommu: modify x-scalable-mode to be string
> option
>
> On Thu, Oct 24, 2019 at 08:34:24AM -0400, Liu Yi L wrote:
> > Intel VT-d 3
> From: Peter Xu [mailto:pet...@redhat.com]
> Sent: Tuesday, November 5, 2019 1:23 AM
> To: Liu, Yi L
> Subject: Re: [RFC v2 00/22] intel_iommu: expose Shared Virtual Addressing to
> VM
>
> On Thu, Oct 24, 2019 at 08:34:21AM -0400, Liu Yi L wrote:
> > Shared virtual a
@redhat.com]
> >> Sent: Friday, October 25, 2019 5:49 PM
> >>
> >>
> >> On 2019/10/24 下午8:34, Liu Yi L wrote:
> >>> Shared virtual address (SVA), a.k.a, Shared virtual memory (SVM) on
> >>> Intel platforms allow address space sharing
This patch adds an empty handling for PASID-based Device-TLB invalidation.
For now it is enough as it is not necessary to propagate it to host for
passthru device and also there is no emulated device has device tlb.
Cc: Kevin Tian
Cc: Jacob Pan
Cc: Peter Xu
Cc: Yi Sun
Signed-off-by: Liu Yi L
-by: Liu Yi L
---
hw/i386/intel_iommu.c | 57 ++
hw/i386/intel_iommu_internal.h | 13 ++
2 files changed, 70 insertions(+)
diff --git a/hw/i386/intel_iommu.c b/hw/i386/intel_iommu.c
index d621455..6cd922f 100644
--- a/hw/i386/intel_iommu.c
This patch adds notifier for propagating guest PASID-based iotlb
invalidation to host.
Cc: Kevin Tian
Cc: Jacob Pan
Cc: Peter Xu
Cc: Eric Auger
Cc: Yi Sun
Cc: David Gibson
Signed-off-by: Liu Yi L
---
hw/vfio/pci.c| 29 +
include/hw/iommu/iommu.h
under nested translation mode. This is
a key part of vSVA support.
Cc: Kevin Tian
Cc: Jacob Pan
Cc: Peter Xu
Cc: Yi Sun
Signed-off-by: Liu Yi L
---
hw/i386/intel_iommu.c | 81 ++
hw/i386/intel_iommu_internal.h | 20 +++
2 files change
mode support, if not proper
configured, will throw error
Cc: Kevin Tian
Cc: Jacob Pan
Cc: Peter Xu
Cc: Yi Sun
Signed-off-by: Liu Yi L
Signed-off-by: Yi Sun
---
hw/i386/intel_iommu.c | 15 +--
hw/i386/intel_iommu_internal.h | 3 +++
include/hw/i386/intel_iommu.h | 2
This patch adds pasid alloc/free notifiers for vfio-pci. It is
supposed to be fired by vIOMMU. VFIO then sends PASID allocation
or free request to host.
Cc: Kevin Tian
Cc: Jacob Pan
Cc: Peter Xu
Cc: Eric Auger
Cc: Yi Sun
Cc: David Gibson
Signed-off-by: Liu Yi L
---
hw/vfio/common.c
first level page table related mappings during DMA address translation.
Cc: Kevin Tian
Cc: Jacob Pan
Cc: Peter Xu
Cc: Yi Sun
Signed-off-by: Liu Yi L
---
hw/i386/intel_iommu.c | 127 +
hw/i386/intel_iommu_internal.h | 7 +++
2 files change
Jacob Pan
Cc: Peter Xu
Cc: Yi Sun
Signed-off-by: Liu Yi L
---
hw/i386/intel_iommu.c | 10 ++
1 file changed, 10 insertions(+)
diff --git a/hw/i386/intel_iommu.c b/hw/i386/intel_iommu.c
index 6bceb7f..d621455 100644
--- a/hw/i386/intel_iommu.c
+++ b/hw/i386/intel_iommu.c
@@ -1880,
pasid entry to be a present entry
*) a non-present pasid entry moved to present
vIOMMU emulator could figure out the reason by fetching latest
guest pasid entry.
Cc: Kevin Tian
Cc: Jacob Pan
Cc: Peter Xu
Cc: Yi Sun
Signed-off-by: Liu Yi L
---
hw/i386/intel_iommu.c | 356
: Peter Xu
Cc: Yi Sun
Signed-off-by: Liu Yi L
---
hw/i386/intel_iommu.c | 92 +-
hw/i386/intel_iommu_internal.h | 1 +
2 files changed, 74 insertions(+), 19 deletions(-)
diff --git a/hw/i386/intel_iommu.c b/hw/i386/intel_iommu.c
index 84ff6f0..90b8
This patch adds get_iommu_context() callback to return an iommu_context
Intel VT-d platform.
Cc: Kevin Tian
Cc: Jacob Pan
Cc: Peter Xu
Cc: Yi Sun
Signed-off-by: Liu Yi L
---
hw/i386/intel_iommu.c | 57 ++-
include/hw/i386/intel_iommu.h | 14
from vIOMMU. e.g. VFIO is the first user
of it to listen to the PASID_ALLOC/PASID_BIND/CACHE_INV events and
propagate the events to host.
Cc: Kevin Tian
Cc: Jacob Pan
Cc: Peter Xu
Cc: Eric Auger
Cc: Yi Sun
Cc: David Gibson
Signed-off-by: Liu Yi L
---
hw/pci/pci.c | 16
specific operations.
Cc: Kevin Tian
Cc: Jacob Pan
Cc: Peter Xu
Cc: Eric Auger
Cc: Yi Sun
Cc: David Gibson
Signed-off-by: Liu Yi L
---
hw/alpha/typhoon.c | 6 +-
hw/arm/smmu-common.c | 6 +-
hw/hppa/dino.c | 6 +-
hw/i386/amd_iommu.c | 6 +-
hw
to be string option instead of
adding a new option as RFC v1 did. Refined the pasid cache management
and addressed the TODOs mentioned in RFC v1.
RFC v1: https://patchwork.kernel.org/cover/11033657/
Eric Auger (1):
update-linux-headers: Import iommu.h
Liu Yi L (
Signed-off-by: Liu Yi L
---
hw/i386/intel_iommu.c | 68 ++
hw/i386/intel_iommu_internal.h | 3 ++
hw/i386/trace-events | 1 +
3 files changed, 72 insertions(+)
diff --git a/hw/i386/intel_iommu.c b/hw/i386/intel_iommu.c
index a9e660c
in subsequent patches.
Cc: Kevin Tian
Cc: Jacob Pan
Cc: Peter Xu
Cc: Yi Sun
Signed-off-by: Liu Yi L
---
hw/i386/intel_iommu.c | 66 ++
hw/i386/intel_iommu_internal.h | 12
hw/i386/trace-events | 3 ++
3 files changed, 76 insertions
The kernel iommu.h header file includes the extensions for vSVA support.
e.g. guest PASID bind, iommu fault report related user structures etc.
Cc: Kevin Tian
Cc: Jacob Pan
Cc: Peter Xu
Cc: Yi Sun
Signed-off-by: Liu Yi L
---
linux-headers/linux/iommu.h | 324
This patch adds a list in VFIOContainer to store iommu_ctx_notifier
which is based on IOMMUContext. As a preparation of registering
iommu_ctx_notifiers.
Cc: Kevin Tian
Cc: Jacob Pan
Cc: Peter Xu
Cc: Eric Auger
Cc: Yi Sun
Cc: David Gibson
Signed-off-by: Liu Yi L
---
hw/vfio/common.c
Signed-off-by: Liu Yi L
---
hw/i386/intel_iommu.c | 160 +
hw/i386/intel_iommu_internal.h | 1 +
2 files changed, 149 insertions(+), 12 deletions(-)
diff --git a/hw/i386/intel_iommu.c b/hw/i386/intel_iommu.c
index 793b0de..a9e660c 100644
--- a/hw
This patch adds virtual command support to Intel vIOMMU per
Intel VT-d 3.1 spec. And adds two virtual commands: alloc_pasid
and free_pasid.
Cc: Kevin Tian
Cc: Jacob Pan
Cc: Peter Xu
Cc: Yi Sun
Signed-off-by: Liu Yi L
Signed-off-by: Yi Sun
---
hw/i386/intel_iommu.c | 162
Cc: Eric Auger
Cc: Yi Sun
Cc: David Gibson
Signed-off-by: Liu Yi L
---
hw/vfio/pci.c| 39 +++
include/hw/iommu/iommu.h | 11 +++
2 files changed, 50 insertions(+)
diff --git a/hw/vfio/pci.c b/hw/vfio/pci.c
index 8721ff6..012b8ed 100644
From: Eric Auger
Update the script to import the new iommu.h uapi header.
Cc: Kevin Tian
Cc: Jacob Pan
Cc: Peter Xu
Cc: Yi Sun
Signed-off-by: Eric Auger
---
scripts/update-linux-headers.sh | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/scripts/update-linux-headers.sh
.
For more background, may refer to the discussion below:
https://lists.gnu.org/archive/html/qemu-devel/2019-07/msg05022.html
Cc: Kevin Tian
Cc: Jacob Pan
Cc: Peter Xu
Cc: Eric Auger
Cc: Yi Sun
Cc: David Gibson
Signed-off-by: Peter Xu
Signed-off-by: Liu Yi L
---
hw/Makefile.objs | 1
Hi Eric,
> -Original Message-
> From: Auger Eric [mailto:eric.au...@redhat.com]
> Sent: Wednesday, July 24, 2019 5:33 PM
> To: Liu, Yi L ; David Gibson
> Subject: Re: [RFC v1 05/18] vfio/pci: add pasid alloc/free implementation
>
> Hi Yi, David,
>
> On 7/24/
> From: kvm-ow...@vger.kernel.org [mailto:kvm-ow...@vger.kernel.org] On Behalf
> Of David Gibson
> Sent: Tuesday, July 23, 2019 11:58 AM
> To: Liu, Yi L
> Subject: Re: [RFC v1 05/18] vfio/pci: add pasid alloc/free implementation
>
> On Mon, Jul 22, 2019 at 07:02:51AM +
> From: kvm-ow...@vger.kernel.org [mailto:kvm-ow...@vger.kernel.org] On Behalf
> Of David Gibson
> Sent: Wednesday, July 17, 2019 11:07 AM
> To: Liu, Yi L
> Subject: Re: [RFC v1 05/18] vfio/pci: add pasid alloc/free implementation
>
> On Tue, Jul 16, 2019 at 10:25:55AM +
> From: kvm-ow...@vger.kernel.org [mailto:kvm-ow...@vger.kernel.org] On Behalf
> Of David Gibson
> Sent: Monday, July 15, 2019 10:55 AM
> To: Liu, Yi L
> Subject: Re: [RFC v1 05/18] vfio/pci: add pasid alloc/free implementation
>
> On Fri, Jul 05, 2019 at 07:01:38PM
> From: kvm-ow...@vger.kernel.org [mailto:kvm-ow...@vger.kernel.org] On Behalf
> Of Peter Xu
> Sent: Tuesday, July 9, 2019 2:39 PM
> To: Liu, Yi L
> Subject: Re: [RFC v1 11/18] intel_iommu: create VTDAddressSpace per BDF+PASID
>
> On Fri, Jul 05, 2019 at 07:01:44PM
> From: kvm-ow...@vger.kernel.org [mailto:kvm-ow...@vger.kernel.org] On Behalf
> Of Peter Xu
> Sent: Tuesday, July 9, 2019 2:13 PM
> To: Liu, Yi L
> Subject: Re: [RFC v1 10/18] intel_iommu: tag VTDAddressSpace instance with
> PASID
>
> On Fri, Jul 05, 2019 at 07:01:43
> From: da...@gibson.dropbear.id.au [mailto:da...@gibson.dropbear.id.au]
> Sent: Thursday, July 11, 2019 11:52 AM
> To: Liu, Yi L
> Subject: Re: [RFC v1 03/18] hw/pci: introduce PCIPASIDOps to PCIDevice
>
> On Wed, Jul 10, 2019 at 11:08:15AM +, Liu, Yi L wrote:
&g
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