On Fri, 20 Apr 2018 18:07:27 +0800
"dongbo (E)" wrote:
> From: Dong Bo
>
> Signed-off-by: Dong Bo
> ---
Hi Dong Bo,
The patch is corrupted, please resend and also include a commit log,
something as simple as "Update vfio_add_group_dev description to match
the current API" would be fine. Tha
On Fri, 9 Dec 2016 14:44:25 +0800
Linas Vepstas wrote:
> On Fri, Dec 9, 2016 at 2:37 PM, Cao jin wrote:
> >
> >
> > On 12/09/2016 02:24 PM, Linas Vepstas wrote:
> >> I suppose I'm confused, but I recall that link resets are non-fatal.
> >> Fatal errors typically require that the the pci adapte
On Thu, 11 Aug 2016 10:06:19 +0530
Anup Patel wrote:
> Hi Alex,
>
> On Thu, Aug 11, 2016 at 9:46 AM, Alex Williamson
> wrote:
> > On Thu, 11 Aug 2016 09:30:19 +0530
> > Anup Patel wrote:
> >
> >> Hi Arnd,
> >>
> >> On Wed, Aug 10,
On Thu, 11 Aug 2016 09:30:19 +0530
Anup Patel wrote:
> Hi Arnd,
>
> On Wed, Aug 10, 2016 at 9:25 PM, Arnd Bergmann wrote:
> > On Monday, August 8, 2016 11:22:29 AM CEST Anup Patel wrote:
> >> The goal of this patchset is to improve UIO framework and UIO dmem
> >> driver to allow cache-coheren
On Mon, 25 Apr 2016 18:05:53 +0800
Yongji Xie wrote:
> Hi Alex,
>
> Any comment?
TBH, I shuffled this to the bottom of the review pile because you're
depending on a patch series for ARM MSI mapping that's still very much
in flux. You've really got 3 or 4 separate patch series here that
should
On Mon, 18 Apr 2016 12:58:20 +0300
"Michael S. Tsirkin" wrote:
> When using vfio, callers might want to know whether device is added to a
> regular group or an non-iommu group.
>
> Report this status from vfio_add_group_dev.
>
> Signed-off-by: Michael S. Tsirkin
> ---
What about making an int
On Tue, 5 Apr 2016 21:46:44 +0800
Yongji Xie wrote:
> This patch enables mmapping MSI-X tables if
> hardware supports interrupt remapping which
> can ensure that a given pci device can only
> shoot the MSIs assigned for it.
>
> Signed-off-by: Yongji Xie
> ---
> drivers/vfio/pci/vfio_pci.c
[cc+ Eric, Will]
On Mon, 7 Mar 2016 15:48:37 +0800
Yongji Xie wrote:
> Current vfio-pci implementation disallows to mmap MSI-X
> table in case that user get to touch this directly.
>
> But we should allow to mmap these MSI-X tables if IOMMU
> supports interrupt remapping which can ensure that
On Mon, 7 Mar 2016 15:48:38 +0800
Yongji Xie wrote:
> This patch adds IOMMU_CAP_INTR_REMAP for IODA host bridge so that
> we can mmap MSI-X table in vfio driver.
>
> Signed-off-by: Yongji Xie
> ---
> arch/powerpc/platforms/powernv/pci-ioda.c | 17 +
> 1 file changed, 17 inse
On Mon, 7 Mar 2016 15:48:35 +0800
Yongji Xie wrote:
> When vfio passthrough a PCI device of which MMIO BARs
> are smaller than PAGE_SIZE, guest will not handle the
> mmio accesses to the BARs which leads to mmio emulations
> in host.
>
> This is because vfio will not allow to passthrough one
>
On Mon, 7 Mar 2016 15:48:34 +0800
Yongji Xie wrote:
> The resource_alignment will releases memory resources
> allocated by firmware so that kernel can reassign new
> resources later on. But this will cause the problem
> that no resources can be allocated by kernel if
> PCI_PROBE_ONLY was set, e.
On Thu, 17 Mar 2016 19:28:34 +0800
Yongji Xie wrote:
> On 2016/3/17 0:30, Alex Williamson wrote:
> > On Mon, 7 Mar 2016 15:48:35 +0800
> > Yongji Xie wrote:
> >
> >> When vfio passthrough a PCI device of which MMIO BARs
> >> are smaller than PAGE_SI
On Mon, 7 Mar 2016 15:48:36 +0800
Yongji Xie wrote:
> Current vfio-pci implementation disallows to mmap
> sub-page(size < PAGE_SIZE) MMIO BARs because these BARs' mmio
> page may be shared with other BARs.
>
> But we should allow to mmap these sub-page MMIO BARs if PCI
> resource allocator can
On Thu, 17 Mar 2016 19:38:29 +0800
Yongji Xie wrote:
> On 2016/3/17 0:32, Alex Williamson wrote:
> > On Mon, 7 Mar 2016 15:48:38 +0800
> > Yongji Xie wrote:
> >
> >> This patch adds IOMMU_CAP_INTR_REMAP for IODA host bridge so that
> >>
- Original Message -
> On 2016/1/29 6:46, Alex Williamson wrote:
> > On Fri, 2016-01-15 at 15:06 +0800, Yongji Xie wrote:
> >> MSI-X tables are not allowed to be mmapped in vfio-pci
> >> driver in case that user get to touch this directly.
> >> Thi
On Fri, 2016-01-29 at 18:37 +0800, Yongji Xie wrote:
> On 2016/1/29 6:46, Alex Williamson wrote:
> > On Fri, 2016-01-15 at 15:06 +0800, Yongji Xie wrote:
> > > When vfio passthrough a PCI device of which MMIO BARs
> > > are smaller than PAGE_SIZE, guest will not handle
On Fri, 2016-01-15 at 15:06 +0800, Yongji Xie wrote:
> Current vfio-pci implementation disallows to mmap MSI-X
> table in case that user get to touch this directly.
>
> But we should allow to mmap these MSI-X tables if the PCI
> host bridge supports filtering of MSIs.
>
> Signed-off-by: Yongji Xi
On Fri, 2016-01-15 at 15:06 +0800, Yongji Xie wrote:
> When vfio passthrough a PCI device of which MMIO BARs
> are smaller than PAGE_SIZE, guest will not handle the
> mmio accesses to the BARs which leads to mmio emulations
> in host.
>
> This is because vfio will not allow to passthrough one
> BA
On Fri, 2016-01-15 at 15:06 +0800, Yongji Xie wrote:
> MSI-X tables are not allowed to be mmapped in vfio-pci
> driver in case that user get to touch this directly.
> This will cause some performance issues when when PCI
> adapters have critical registers in the same page as
> the MSI-X table.
>
>
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