Displaying 9 results from an estimated 9 matches for "bbhushan2".
2020 May 07
2
[EXT] Re: [PATCH v5] iommu/virtio: Use page size bitmap supported by endpoint
On Thu, May 07, 2020 at 11:24:29AM +0000, Bharat Bhushan wrote:
>
>
> > -----Original Message-----
> > From: Michael S. Tsirkin <mst at redhat.com>
> > Sent: Wednesday, May 6, 2020 5:53 AM
> > To: Bharat Bhushan <bbhushan2 at marvell.com>
> > Cc: jean-philippe at linaro.org; joro at 8bytes.org; jasowang at redhat.com;
> > virtualization at lists.linux-foundation.org; iommu at lists.linux-foundation.org;
> > linux-kernel at vger.kernel.org; eric.auger.pro at gmail.com; eric.auger at redhat.com
>...
2020 May 07
0
[EXT] Re: [PATCH v5] iommu/virtio: Use page size bitmap supported by endpoint
Hi Bharat,
On 5/7/20 1:24 PM, Bharat Bhushan wrote:
>
>
>> -----Original Message-----
>> From: Michael S. Tsirkin <mst at redhat.com>
>> Sent: Wednesday, May 6, 2020 5:53 AM
>> To: Bharat Bhushan <bbhushan2 at marvell.com>
>> Cc: jean-philippe at linaro.org; joro at 8bytes.org; jasowang at redhat.com;
>> virtualization at lists.linux-foundation.org; iommu at lists.linux-foundation.org;
>> linux-kernel at vger.kernel.org; eric.auger.pro at gmail.com; eric.auger at redhat.com
>&g...
2020 May 07
0
[EXT] Re: [PATCH v5] iommu/virtio: Use page size bitmap supported by endpoint
...hael S. Tsirkin wrote:
> On Thu, May 07, 2020 at 11:24:29AM +0000, Bharat Bhushan wrote:
>>
>>
>>> -----Original Message-----
>>> From: Michael S. Tsirkin <mst at redhat.com>
>>> Sent: Wednesday, May 6, 2020 5:53 AM
>>> To: Bharat Bhushan <bbhushan2 at marvell.com>
>>> Cc: jean-philippe at linaro.org; joro at 8bytes.org; jasowang at redhat.com;
>>> virtualization at lists.linux-foundation.org; iommu at lists.linux-foundation.org;
>>> linux-kernel at vger.kernel.org; eric.auger.pro at gmail.com; eric.auger at redha...
2020 Apr 01
2
[RFC PATCH v2] iommu/virtio: Use page size bitmap supported by endpoint
On 2020-04-01 12:38 pm, Bharat Bhushan wrote:
> Different endpoint can support different page size, probe
> endpoint if it supports specific page size otherwise use
> global page sizes.
>
> Signed-off-by: Bharat Bhushan <bbhushan2 at marvell.com>
> ---
> drivers/iommu/virtio-iommu.c | 33 +++++++++++++++++++++++++++----
> include/uapi/linux/virtio_iommu.h | 7 +++++++
> 2 files changed, 36 insertions(+), 4 deletions(-)
>
> diff --git a/drivers/iommu/virtio-iommu.c b/drivers/iommu/virtio-iommu....
2020 May 13
0
[EXT] Re: [PATCH v5] iommu/virtio: Use page size bitmap supported by endpoint
On Wed, May 13, 2020 at 09:15:22AM +0000, Bharat Bhushan wrote:
> Hi Jean,
>
> > -----Original Message-----
> > From: Michael S. Tsirkin <mst at redhat.com>
> > Sent: Wednesday, May 6, 2020 5:53 AM
> > To: Bharat Bhushan <bbhushan2 at marvell.com>
> > Cc: jean-philippe at linaro.org; joro at 8bytes.org; jasowang at redhat.com;
> > virtualization at lists.linux-foundation.org; iommu at lists.linux-foundation.org;
> > linux-kernel at vger.kernel.org; eric.auger.pro at gmail.com; eric.auger at redhat.com
>...
2020 May 06
1
[PATCH v5] iommu/virtio: Use page size bitmap supported by endpoint
On Tue, May 05, 2020 at 03:00:04PM +0530, Bharat Bhushan wrote:
> Different endpoint can support different page size, probe
> endpoint if it supports specific page size otherwise use
> global page sizes.
>
> Signed-off-by: Bharat Bhushan <bbhushan2 at marvell.com>
> ---
> v4->v5:
> - Rebase to Linux v5.7-rc4
>
> v3->v4:
> - Fix whitespace error
>
> v2->v3:
> - Fixed error return for incompatible endpoint
> - __u64 changed to __le64 in header file
>
> drivers/iommu/virtio-iommu.c | 4...
2020 May 12
1
[PATCH v5] iommu/virtio: Use page size bitmap supported by endpoint
On Tue, May 05, 2020 at 03:00:04PM +0530, Bharat Bhushan wrote:
> Different endpoint can support different page size, probe
> endpoint if it supports specific page size otherwise use
> global page sizes.
>
> Signed-off-by: Bharat Bhushan <bbhushan2 at marvell.com>
> ---
> v4->v5:
> - Rebase to Linux v5.7-rc4
>
> v3->v4:
> - Fix whitespace error
>
> v2->v3:
> - Fixed error return for incompatible endpoint
> - __u64 changed to __le64 in header file
>
> drivers/iommu/virtio-iommu.c | 4...
2020 May 14
2
[PATCH v6] iommu/virtio: Use page size bitmap supported by endpoint
...probe and
validate that device supports all domain page sizes,
if it does not then we fail to attach the device.
This seems like a lot of effort for little benefit, can't
hypervisor simply make sure endpoints support the
iommu page sizes for us?
>
> Signed-off-by: Bharat Bhushan <bbhushan2 at marvell.com>
> ---
> v5->v6
> - property length before dereference
> - Error out on no supported page sizes (page-size-mask is zero)
> - Allow device to attach to domain even it supports
> minimum of domain supported page sizes. In that case device
> will use...
2020 May 14
2
[PATCH v6] iommu/virtio: Use page size bitmap supported by endpoint
...probe and
validate that device supports all domain page sizes,
if it does not then we fail to attach the device.
This seems like a lot of effort for little benefit, can't
hypervisor simply make sure endpoints support the
iommu page sizes for us?
>
> Signed-off-by: Bharat Bhushan <bbhushan2 at marvell.com>
> ---
> v5->v6
> - property length before dereference
> - Error out on no supported page sizes (page-size-mask is zero)
> - Allow device to attach to domain even it supports
> minimum of domain supported page sizes. In that case device
> will use...