On 11/2/2016 6:30 PM, Jike Song wrote:
> On 11/02/2016 08:41 PM, Kirti Wankhede wrote:
>> On 11/2/2016 5:51 PM, Jike Song wrote:
>>> On 11/02/2016 12:09 PM, Alexey Kardashevskiy wrote:
>>>> Or you could just reference and use @mm as KVM and others do. Or there is
&g
On 11/2/2016 5:51 PM, Jike Song wrote:
> On 11/02/2016 12:09 PM, Alexey Kardashevskiy wrote:
>> On 02/11/16 14:29, Kirti Wankhede wrote:
>>>
>>>
>>> On 11/2/2016 6:54 AM, Alexey Kardashevskiy wrote:
>>>> On 02/11/16 01:01, Kirti Wankhede wrote:
On 10/28/2016 11:31 AM, Jike Song wrote:
> On 10/27/2016 08:24 PM, Kirti Wankhede wrote:
>>
>>
>> On 10/27/2016 5:41 PM, Jike Song wrote:
>>> On 10/27/2016 05:29 AM, Kirti Wankhede wrote:
>>>> Update arguments of vaddr_get_pfn() to take s
On 10/29/2016 11:41 PM, Jike Song wrote:
> On 10/29/2016 06:06 PM, Kirti Wankhede wrote:
>>
>>
>> On 10/29/2016 10:00 AM, Jike Song wrote:
>>> On 10/27/2016 05:29 AM, Kirti Wankhede wrote:
>>>> +int mdev_register_device(struct device *dev, const struc
On 10/31/2016 12:49 PM, Jike Song wrote:
> On 10/27/2016 05:29 AM, Kirti Wankhede wrote:
>> Added details of sysfs ABI for mediated device framework
>>
>> Signed-off-by: Kirti Wankhede <kwankh...@nvidia.com>
>> Signed-off-by: Neo J
On 11/2/2016 6:54 AM, Alexey Kardashevskiy wrote:
> On 02/11/16 01:01, Kirti Wankhede wrote:
>>
>>
>> On 10/28/2016 7:48 AM, Alexey Kardashevskiy wrote:
>>> On 27/10/16 23:31, Kirti Wankhede wrote:
>>>>
>>>>
>>>> On 10/27/2016 12
On 10/28/2016 7:48 AM, Alexey Kardashevskiy wrote:
> On 27/10/16 23:31, Kirti Wankhede wrote:
>>
>>
>> On 10/27/2016 12:50 PM, Alexey Kardashevskiy wrote:
>>> On 18/10/16 08:22, Kirti Wankhede wrote:
>>>> VFIO IOMMU drivers are designed for the devi
On 11/1/2016 9:15 AM, Dong Jia Shi wrote:
> * Alex Williamson <alex.william...@redhat.com> [2016-10-29 08:03:01 -0600]:
>
>> On Sat, 29 Oct 2016 16:07:05 +0530
>> Kirti Wankhede <kwankh...@nvidia.com> wrote:
>>
>>> On 10/29/2016 2:03 AM, Alex Willia
On 10/31/2016 9:20 AM, Jike Song wrote:
> On 10/27/2016 05:29 AM, Kirti Wankhede wrote:
>> Added blocking notifier to IOMMU TYPE1 driver to notify vendor drivers
>> about DMA_UNMAP.
>> Exported two APIs vfio_register_notifier() and vfio_unregister_notifier().
>> Ve
On 10/29/2016 2:03 AM, Alex Williamson wrote:
> On Sat, 29 Oct 2016 01:32:35 +0530
> Kirti Wankhede <kwankh...@nvidia.com> wrote:
>
>> On 10/28/2016 6:10 PM, Alex Williamson wrote:
>>> On Fri, 28 Oct 2016 15:33:58 +0800
>>>
On 10/29/2016 10:00 AM, Jike Song wrote:
> On 10/27/2016 05:29 AM, Kirti Wankhede wrote:
>> +int mdev_register_device(struct device *dev, const struct parent_ops *ops)
>> +{
>> +int ret;
>> +struct parent_device *parent;
>> +
>> +/* check for ma
On 10/28/2016 6:10 PM, Alex Williamson wrote:
> On Fri, 28 Oct 2016 15:33:58 +0800
> Jike Song <jike.s...@intel.com> wrote:
>
>> On 10/27/2016 05:29 AM, Kirti Wankhede wrote:
>>> Added blocking notifier to IOMMU TYPE1 driver to notify vendor drivers
>>>
On 10/28/2016 1:03 PM, Jike Song wrote:
> On 10/27/2016 05:29 AM, Kirti Wankhede wrote:
>>
>> +/*
>> + * This function finds pfn in domain->external_addr_space->pfn_list for
>> given
>> + * iova range. If pfn exist, notify pfn to registered notifier list
On 10/27/2016 8:00 PM, Alex Williamson wrote:
> On Thu, 27 Oct 2016 18:01:51 +0530
> Kirti Wankhede <kwankh...@nvidia.com> wrote:
>
>> On 10/27/2016 12:50 PM, Alexey Kardashevskiy wrote:
>>> On 18/10/16 08:22, Kirti Wankhede wrote:
>>>> VFIO IOMMU
On 10/27/2016 12:50 PM, Alexey Kardashevskiy wrote:
> On 18/10/16 08:22, Kirti Wankhede wrote:
>> VFIO IOMMU drivers are designed for the devices which are IOMMU capable.
>> Mediated device only uses IOMMU APIs, the underlying hardware can be
>> managed by an IO
On 10/27/2016 5:41 PM, Jike Song wrote:
> On 10/27/2016 05:29 AM, Kirti Wankhede wrote:
>> Update arguments of vaddr_get_pfn() to take struct mm_struct *mm as input
>> argument.
>>
>> Signed-off-by: Kirti Wankhede <kwankh...@nvidia.com>
>> Signed-off-by:
The Sample driver creates mdev device that simulates serial port over PCI
card.
Signed-off-by: Kirti Wankhede <kwankh...@nvidia.com>
Signed-off-by: Neo Jia <c...@nvidia.com>
Change-Id: I857f8f12f8b275f2498dfe8c628a5cdc7193b1b2
---
Documentation/vfio-mdev/Makefile
Updated vfio_pci.c file to use vfio_set_irqs_validate_and_prepare()
Signed-off-by: Kirti Wankhede <kwankh...@nvidia.com>
Signed-off-by: Neo Jia <c...@nvidia.com>
Change-Id: I9f3daba89d8dba5cb5b01a8cff420412f30686c7
---
drivers/vfio/pci/vfio_pci.c | 29 +
Added details of sysfs ABI for mediated device framework
Signed-off-by: Kirti Wankhede <kwankh...@nvidia.com>
Signed-off-by: Neo Jia <c...@nvidia.com>
Change-Id: Icb0fd4ed58a2fa793fbcb1c3d5009a4403c1f3ac
---
Documentation/ABI/testing/sysfs-bus-vfio-mdev | 111 ++
Defined device API strings. Vendor driver using mediated device
framework should use corresponding string for device_api attribute.
Signed-off-by: Kirti Wankhede <kwankh...@nvidia.com>
Signed-off-by: Neo Jia <c...@nvidia.com>
Change-Id: I42d29f475f02a7132ce13297fbf2b48f1da10995
---
Update msix_sparse_mmap_cap() to use vfio_info_add_capability()
Update region type capability to use vfio_info_add_capability()
Signed-off-by: Kirti Wankhede <kwankh...@nvidia.com>
Signed-off-by: Neo Jia <c...@nvidia.com>
Change-Id: I52bb28c7875a6da5a79ddad1843e6088aff58a45
---
driv
mappings.
Signed-off-by: Kirti Wankhede <kwankh...@nvidia.com>
Signed-off-by: Neo Jia <c...@nvidia.com>
Change-Id: I5910d0024d6be87f3e8d3e0ca0eaeaaa0b17f271
---
drivers/vfio/vfio.c | 73 +
drivers/vfio/vfio_iommu_
Vendor driver using mediated device framework would use same mechnism to
validate and prepare IRQs. Introducing this function to reduce code
replication in multiple drivers.
Signed-off-by: Kirti Wankhede <kwankh...@nvidia.com>
Signed-off-by: Neo Jia <c...@nvidia.com&g
Add file Documentation/vfio-mediated-device.txt that include details of
mediated device framework.
Signed-off-by: Kirti Wankhede <kwankh...@nvidia.com>
Signed-off-by: Neo Jia <c...@nvidia.com>
Change-Id: I137dd646442936090d92008b115908b7b2c7bc5d
---
Documentation/vfio-mdev/v
through and one vGPU device
- Linux VM hot plug and unplug vGPU device while GPU pass through device
exist
- Linux VM hot plug and unplug GPU pass through device while vGPU device
exist
Signed-off-by: Kirti Wankhede <kwankh...@nvidia.com>
Signed-off-by: Neo Jia <c...@nvidia.com&g
Add find_iommu_group()
Signed-off-by: Kirti Wankhede <kwankh...@nvidia.com>
Signed-off-by: Neo Jia <c...@nvidia.com>
Change-Id: I9d372f1ebe9eb01a5a21374b8a2b03f7df73601f
---
drivers/vfio/vfio_iommu_type1.c | 58 -
1 file changed, 34 inser
Updated vfio_platform_common.c file to use
vfio_set_irqs_validate_and_prepare()
Signed-off-by: Kirti Wankhede <kwankh...@nvidia.com>
Signed-off-by: Neo Jia <c...@nvidia.com>
Change-Id: Id87cd6b78ae901610b39bf957974baa6f40cd7b0
---
drivers/vfio/platform/vfio_platform_c
Vendor driver using mediated device framework should use
vfio_info_add_capability() to add capabilities.
Introduced this function to reduce code duplication in vendor drivers.
Signed-off-by: Kirti Wankhede <kwankh...@nvidia.com>
Signed-off-by: Neo Jia <c...@nvidia.com&g
Updated arguments of vfio_lock_acct to take task as input argument
Signed-off-by: Kirti Wankhede <kwankh...@nvidia.com>
Signed-off-by: Neo Jia <c...@nvidia.com>
Change-Id: I5d3673cc9d3786bb436b395d5f74537f1a36da80
---
drivers/vfio/vfio_iommu_type1.c | 20 ++--
1 file
Update arguments of vaddr_get_pfn() to take struct mm_struct *mm as input
argument.
Signed-off-by: Kirti Wankhede <kwankh...@nvidia.com>
Signed-off-by: Neo Jia <c...@nvidia.com>
Change-Id: I885fd4cd4a9f66f4ee2c1caf58267464ec239f52
---
drivers/vfio/vfio_iommu_
This patch rearranges functions to get vfio_group from device
Signed-off-by: Kirti Wankhede <kwankh...@nvidia.com>
Signed-off-by: Neo Jia <c...@nvidia.com>
Change-Id: I1f93262bdbab75094bc24b087b29da35ba70c4c6
---
drivers/vfio/vfio.c | 23 ---
1 file changed, 1
and unpin pages.
Signed-off-by: Kirti Wankhede <kwankh...@nvidia.com>
Signed-off-by: Neo Jia <c...@nvidia.com>
Change-Id: Ia7417723aaae86bec2959ad9ae6c2915ddd340e0
---
drivers/vfio/vfio.c | 92
include/linux/vfio.h | 12 ++-
2 files
date
mappings.
- Exported APIs to register notifier for DMA_UNMAP action.
Documentation:
- Added sysfs ABI for mediated device framework.
- Updated Documentation/vfio-mdev/vfio-mediated-device.txt.
- Updated mtty.c with bug fixes.
Kirti Wankhede (19):
vfio: Mediated device Core driver
vfio:
ocks to serialize above callbacks in mdev driver and
vfio_mdev driver. If required, vendor driver can have locks to serialize
above APIs in their driver.
Signed-off-by: Kirti Wankhede <kwankh...@nvidia.com>
Signed-off-by: Neo Jia <c...@nvidia.com>
Change-Id: I73a5084574270b14541c5294
operations
to vendor driver for mediated devices.
Signed-off-by: Kirti Wankhede <kwankh...@nvidia.com>
Signed-off-by: Neo Jia <c...@nvidia.com>
Change-Id: I583f4734752971d3d112324d69e2508c88f359ec
---
drivers/vfio/mdev/Kconfig | 7 ++
drivers/vfio/mdev/Makefile| 1 +
drive
This change rearrange functions to have common function to increment
container_users
Signed-off-by: Kirti Wankhede <kwankh...@nvidia.com>
Signed-off-by: Neo Jia <c...@nvidia.com>
Change-Id: I8bdeb352bc8439b107ffd519480fd4dc238677f2
---
drivers/vfio
On 10/26/2016 12:49 PM, Tian, Kevin wrote:
>> From: Alex Williamson [mailto:alex.william...@redhat.com]
>> Sent: Monday, October 24, 2016 10:32 AM
>>
> -static long vfio_unpin_pages(unsigned long pfn, long npage,
> - int prot, bool do_accounting)
> +static long
>> +static void vfio_mdev_release(void *device_data)
>> +{
>> +struct mdev_device *mdev = device_data;
>> +struct parent_device *parent = mdev->parent;
>> +
>> +if (parent->ops->release)
>
> likely()
>
>> +parent->ops->release(mdev);
>> +
>> +module_put(THIS_MODULE);
>> Medisted bus driver is responsible to add/delete mediated devices to/from
>
> Medisted -> Mediated
>
Thanks for pointing out the typeo. Correcting it.
>> VFIO group when devices are bound and unbound to the driver.
>>
>> 2. Physical device driver interface
>> This interface provides vendor
On 10/21/2016 12:54 AM, Alex Williamson wrote:
> On Tue, 18 Oct 2016 02:52:05 +0530
> Kirti Wankhede <kwankh...@nvidia.com> wrote:
>
>> Vendor driver using mediated device framework should use
>> vfio_info_add_capability() to add capabilities.
>> Introd
On 10/21/2016 12:54 AM, Alex Williamson wrote:
> On Tue, 18 Oct 2016 02:52:06 +0530
> Kirti Wankhede <kwankh...@nvidia.com> wrote:
>
>> Update msix_sparse_mmap_cap() to use vfio_info_add_capability()
>> Update region type capability to use vfio_info_add_capability()
On 10/21/2016 8:06 PM, Alex Williamson wrote:
> On Fri, 21 Oct 2016 15:49:07 +0800
> Jike Song <jike.s...@intel.com> wrote:
>
>> On 10/18/2016 05:22 AM, Kirti Wankhede wrote:
>>> diff --git a/drivers/vfio/vfio_iommu_type1.c
>>> b/drivers/vfio/vf
On 10/21/2016 2:52 AM, Alex Williamson wrote:
> On Fri, 21 Oct 2016 02:44:37 +0530
> Kirti Wankhede <kwankh...@nvidia.com> wrote:
>
...
>>>>>>
>>>>>> +extern const char *vfio_device_api_string(u32 flags);
>>>>>> +
On 10/21/2016 2:35 AM, Alex Williamson wrote:
> On Fri, 21 Oct 2016 01:59:55 +0530
> Kirti Wankhede <kwankh...@nvidia.com> wrote:
>
>> On 10/21/2016 1:04 AM, Alex Williamson wrote:
>>> On Tue, 18 Oct 2016 02:52:10 +0530
>>> Kirti Wankhede <kwankh.
On 10/21/2016 1:04 AM, Alex Williamson wrote:
> On Tue, 18 Oct 2016 02:52:10 +0530
> Kirti Wankhede <kwankh...@nvidia.com> wrote:
>
>> Function vfio_device_api_string() returns string based on flag set in
>> vfio_device_info's flag. This should be used by vendor dr
Alex,
Addressing your comments other than invalidation part.
On 10/20/2016 2:32 AM, Alex Williamson wrote:
> On Tue, 18 Oct 2016 02:52:04 +0530
> Kirti Wankhede <kwankh...@nvidia.com> wrote:
>
...
>> Tested by assigning below combinations of devices to a single VM:
>&
On 10/18/2016 10:47 PM, Alex Williamson wrote:
> On Tue, 18 Oct 2016 10:54:11 +0800
> Dong Jia Shi <bjsdj...@linux.vnet.ibm.com> wrote:
>
>> * Kirti Wankhede <kwankh...@nvidia.com> [2016-10-18 02:52:12 +0530]:
>>
>> ...snip...
>>
>>> +sta
On 10/19/2016 4:46 AM, Alex Williamson wrote:
> On Tue, 18 Oct 2016 02:52:01 +0530
> Kirti Wankhede <kwankh...@nvidia.com> wrote:
>
...
>> +static struct mdev_device *__find_mdev_device(struct parent_device *parent,
>> +
The Sample driver creates mdev device that simulates serial port over PCI
card.
Signed-off-by: Kirti Wankhede <kwankh...@nvidia.com>
Signed-off-by: Neo Jia <c...@nvidia.com>
Change-Id: I857f8f12f8b275f2498dfe8c628a5cdc7193b1b2
---
Documentation/vfio-mdev/Makefile
Update msix_sparse_mmap_cap() to use vfio_info_add_capability()
Update region type capability to use vfio_info_add_capability()
Can't split this commit for MSIx and region_type cap since there is a
common code which need to be updated for both the cases.
Signed-off-by: Kirti Wankhede <kwa
Vendor driver using mediated device framework would use same mechnism to
validate and prepare IRQs. Introducing this function to reduce code
replication in multiple drivers.
Signed-off-by: Kirti Wankhede <kwankh...@nvidia.com>
Signed-off-by: Neo Jia <c...@nvidia.com&g
Add file Documentation/vfio-mediated-device.txt that include details of
mediated device framework.
Signed-off-by: Kirti Wankhede <kwankh...@nvidia.com>
Signed-off-by: Neo Jia <c...@nvidia.com>
Change-Id: I137dd646442936090d92008b115908b7b2c7bc5d
---
Documentation/vfio-mdev/v
Updated vfio_pci.c file to use vfio_set_irqs_validate_and_prepare()
Signed-off-by: Kirti Wankhede <kwankh...@nvidia.com>
Signed-off-by: Neo Jia <c...@nvidia.com>
Change-Id: I9f3daba89d8dba5cb5b01a8cff420412f30686c7
---
drivers/vfio/pci/vfio_pci.c | 29 +
Updated vfio_platform_common.c file to use
vfio_set_irqs_validate_and_prepare()
Signed-off-by: Kirti Wankhede <kwankh...@nvidia.com>
Signed-off-by: Neo Jia <c...@nvidia.com>
Change-Id: Id87cd6b78ae901610b39bf957974baa6f40cd7b0
---
drivers/vfio/platform/vfio_platform_c
Vendor driver using mediated device framework should use
vfio_info_add_capability() to add capabilities.
Introduced this function to reduce code duplication in vendor drivers.
Signed-off-by: Kirti Wankhede <kwankh...@nvidia.com>
Signed-off-by: Neo Jia <c...@nvidia.com&g
Function vfio_device_api_string() returns string based on flag set in
vfio_device_info's flag. This should be used by vendor driver to get string
based on flag for device_api attribute.
Signed-off-by: Kirti Wankhede <kwankh...@nvidia.com>
Signed-off-by: Neo Jia <c...@nvidia.com&g
ern int mdev_register_device(struct device *dev,
const struct parent_ops *ops);
extern void mdev_unregister_device(struct device *dev);
There are no locks to serialize above callbacks in mdev driver and
vfio_mdev driver. If required, vendor driver can have locks to serialize
above APIs
- One GPU pass through and one vGPU device
- Linux VM hot plug and unplug vGPU device while GPU pass through device
exist
- Linux VM hot plug and unplug GPU pass through device while vGPU device
exist
Signed-off-by: Kirti Wankhede <kwankh...@nvidia.com>
Signed-off-by: Neo Jia <c...@n
Rearrange functions to have common function to increment container_users.
Signed-off-by: Kirti Wankhede <kwankh...@nvidia.com>
Signed-off-by: Neo Jia <c...@nvidia.com>
Change-Id: I1f93262bdbab75094bc24b087b29da35ba70c4c6
---
drivers/vfio
Documentation and sample driver, mtty.c, accordingly.
Kirti Wankhede (12):
vfio: Mediated device Core driver
vfio: VFIO based driver for Mediated devices
vfio: Rearrange functions to get vfio_group from dev
vfio iommu: Add support for mediated devices
vfio: Introduce common function to ad
operations
to vendor driver for mediated devices.
Signed-off-by: Kirti Wankhede <kwankh...@nvidia.com>
Signed-off-by: Neo Jia <c...@nvidia.com>
Change-Id: I583f4734752971d3d112324d69e2508c88f359ec
---
drivers/vfio/mdev/Kconfig | 7 ++
drivers/vfio/mdev/Makefile| 1 +
drive
On 10/12/2016 4:01 PM, Tian, Kevin wrote:
>> From: Kirti Wankhede [mailto:kwankh...@nvidia.com]
>> Sent: Tuesday, October 11, 2016 4:29 AM
>>
> [...]
>> diff --git a/drivers/vfio/vfio_iommu_type1.c
>> b/drivers/vfio/vfio_iommu_type1.c
>> index 2ba19424e4a
On 10/13/2016 8:06 PM, Alex Williamson wrote:
> On Thu, 13 Oct 2016 14:52:09 +0530
> Kirti Wankhede <kwankh...@nvidia.com> wrote:
>
>> On 10/13/2016 3:14 AM, Alex Williamson wrote:
>>> On Thu, 13 Oct 2016 00:32:48 +0530
>>> Kirti Wankhede <kwankh...@nv
On 10/14/2016 7:52 AM, Jike Song wrote:
> On 10/11/2016 04:28 AM, Kirti Wankhede wrote:
>> +
>> +Under per-physical device sysfs:
>> +
>> +
>> +* mdev_supported_types:
>> +List of current supported mediated dev
On 10/12/2016 3:36 AM, Alex Williamson wrote:
> On Tue, 11 Oct 2016 01:58:34 +0530
> Kirti Wankhede <kwankh...@nvidia.com> wrote:
>
...
>> +static struct vfio_group *vfio_group_from_dev(struct device *dev)
>> +{
>> +struct vfio_device *device;
>> +
On 10/13/2016 3:14 AM, Alex Williamson wrote:
> On Thu, 13 Oct 2016 00:32:48 +0530
> Kirti Wankhede <kwankh...@nvidia.com> wrote:
>
>> On 10/12/2016 9:29 PM, Alex Williamson wrote:
>>> On Wed, 12 Oct 2016 20:43:48 +0530
>>> Kirti Wankhede <kwankh...@nv
On 10/12/2016 4:48 AM, Alex Williamson wrote:
> On Tue, 11 Oct 2016 01:58:37 +0530
> Kirti Wankhede <kwankh...@nvidia.com> wrote:
>
>> Add common functions for SET_IRQS and to add capability buffer for
>> GET_REGION_INFO ioctls
>
> Clearly should be two
On 10/12/2016 9:29 PM, Alex Williamson wrote:
> On Wed, 12 Oct 2016 20:43:48 +0530
> Kirti Wankhede <kwankh...@nvidia.com> wrote:
>
>> On 10/12/2016 7:22 AM, Tian, Kevin wrote:
>>>> From: Kirti Wankhede [mailto:kwankh...@nvidia.com]
>>>&
On 10/12/2016 7:22 AM, Tian, Kevin wrote:
>> From: Kirti Wankhede [mailto:kwankh...@nvidia.com]
>> Sent: Wednesday, October 12, 2016 4:45 AM
>>>> +* mdev_supported_types:
>>>> +List of current supported mediated device types and its details are
On 10/11/2016 7:44 PM, Daniel P. Berrange wrote:
> On Tue, Oct 11, 2016 at 01:58:35AM +0530, Kirti Wankhede wrote:
>> Add file Documentation/vfio-mediated-device.txt that include details of
>> mediated device framework.
>>
>> Signed-off-by: Kirti Wankhede <kwank
On 10/11/2016 9:25 AM, Alex Williamson wrote:
> On Tue, 11 Oct 2016 01:58:33 +0530
> Kirti Wankhede <kwankh...@nvidia.com> wrote:
>
>> vfio_mdev driver registers with mdev core driver.
>> MDEV core driver creates mediated device and calls probe routine of
>>
On 10/11/2016 9:21 AM, Alex Williamson wrote:
> On Tue, 11 Oct 2016 01:58:32 +0530
> Kirti Wankhede <kwankh...@nvidia.com> wrote:
>> ---
>> drivers/vfio/Kconfig | 1 +
>> drivers/vfio/Makefile| 1 +
>> drivers/vfio/mdev/Kconfig
Sample driver creates mdev device that simulates serial port over PCI card.
Signed-off-by: Kirti Wankhede <kwankh...@nvidia.com>
Signed-off-by: Neo Jia <c...@nvidia.com>
Change-Id: I857f8f12f8b275f2498dfe8c628a5cdc7193b1b2
---
Documentation/vfio-mdev/Makefile
Add file Documentation/vfio-mediated-device.txt that include details of
mediated device framework.
Signed-off-by: Kirti Wankhede <kwankh...@nvidia.com>
Signed-off-by: Neo Jia <c...@nvidia.com>
Change-Id: I137dd646442936090d92008b115908b7b2c7bc5d
---
Documentation/vfio-mdev/v
Add common functions for SET_IRQS and to add capability buffer for
GET_REGION_INFO ioctls
Signed-off-by: Kirti Wankhede <kwankh...@nvidia.com>
Signed-off-by: Neo Jia <c...@nvidia.com>
Change-Id: Id9e976a2c08b9b2b37da77dac4365ae8f6024b4a
---
drivers/vfio/pci/vfio
- One GPU pass through and one vGPU device
- Linux VM hot plug and unplug vGPU device while GPU pass through device
exist
- Linux VM hot plug and unplug GPU pass through device while vGPU device
exist
Signed-off-by: Kirti Wankhede <kwankh...@nvidia.com>
Signed-off-by: Neo Jia <c...@n
ern int mdev_register_device(struct device *dev,
const struct parent_ops *ops);
extern void mdev_unregister_device(struct device *dev);
There are no locks to serialize above callbacks in mdev driver and
vfio_mdev driver. If required, vendor driver can have locks to serialize
above APIs
use mediated device
framework.
- Moved updated document and example driver to 'vfio-mdev' directory in
Documentation.
Kirti Wankhede (6):
vfio: Mediated device Core driver
vfio: VFIO based driver for Mediated devices
vfio iommu: Add support for mediated devices
docs: Add Documenta
operations
to vendor driver for mediated devices.
Signed-off-by: Kirti Wankhede <kwankh...@nvidia.com>
Signed-off-by: Neo Jia <c...@nvidia.com>
Change-Id: I583f4734752971d3d112324d69e2508c88f359ec
---
drivers/vfio/mdev/Kconfig | 6 ++
drivers/vfio/mdev/Makefile | 1 +
can have 'class' as optional attribute. So Intel don't have to
>> provide 'class' attribute and they don't have to specify mandatory
>> attributes of that class. We would provide 'class' attribute and provide
>> mandatory attributes.
>
Thanks,
Kirti
On 10/3/2016 1:50 PM, Kirt
On 9/30/2016 10:49 AM, Kirti Wankhede wrote:
>
...
>>>>>> Hi Daniel,
>>>>>>
>>>>>> Here you are proposing to add a class named "gpu", which will make all
>>>>>> those gpu
>>>>>> rela
On 9/30/2016 8:40 AM, Jike Song wrote:
> On 09/30/2016 10:58 AM, Jike Song wrote:
>> On 09/29/2016 11:06 PM, Kirti Wankhede wrote:
>>>
>>>
>>> On 9/29/2016 7:47 AM, Jike Song wrote:
>>>> +Guangrong
>>>>
>>>> On 08/25
a...@redhat.com]
>>>> Sent: Thursday, September 29, 2016 4:06 PM
>>>>
>>>> On Wed, Sep 28, 2016 at 12:48:33PM -0700, Neo Jia wrote:
>>>>> On Tue, Sep 20, 2016 at 10:47:53AM +0100, Daniel P. Berrange wrote:
>>>>>> On Tue, Sep 20, 2
On 9/29/2016 7:47 AM, Jike Song wrote:
> +Guangrong
>
> On 08/25/2016 11:53 AM, Kirti Wankhede wrote:
...
>> +static long vfio_iommu_type1_pin_pages(void *iommu_data,
>> + unsigned long *user_pfn,
>> +
7. Hot-plug
It is same syntax to create a virtual device for hot-plug.
>>>
>>> How do groups work with hotplug? Can a device be creating into an
>>> existing, running group? Can a device be removed from an existing,
>>> running group?
On 9/29/2016 3:16 PM, Xiao Guangrong wrote:
>
>
> On 09/29/2016 05:36 PM, Neo Jia wrote:
>> On Thu, Sep 29, 2016 at 05:05:47PM +0800, Xiao Guangrong wrote:
>>>
>>>
>>> On 09/29/2016 04:55 PM, Jike Song wrote:
Hi all,
In order to have a clear understanding about the VFIO mdev
On 9/29/2016 2:47 PM, Neo Jia wrote:
> On Thu, Sep 29, 2016 at 04:55:39PM +0800, Jike Song wrote:
>> Hi all,
>>
>> In order to have a clear understanding about the VFIO mdev upstreaming
>> status, I'd like to summarize it. Please share your opinions on this,
>> and correct my misunderstandings.
Sample driver creates mdev device that simulates serial port over PCI card.
Signed-off-by: Kirti Wankhede <kwankh...@nvidia.com>
Signed-off-by: Neo Jia <c...@nvidia.com>
Change-Id: I857f8f12f8b275f2498dfe8c628a5cdc7193b1b2
---
Documentation/mdev/Makefile
and how it is supposed to work.
Kirti Wankhede (1):
Add simple sample driver for mediated device framework
Documentation/mdev/Makefile | 14 +
Documentation/mdev/mtty.c | 1202 +
Documentation/{ => mdev}/vfio-media
On 9/23/2016 12:55 AM, Tian, Kevin wrote:
>> From: Kirti Wankhede [mailto:kwankh...@nvidia.com]
>> Sent: Wednesday, September 21, 2016 12:23 AM
>>>
>>>>> I have
>>>>> a hard time believing that a given vendor can even allocate unique type
>
> My concern is that a type id seems arbitrary but we're specifying that
> it be unique. We already have something unique, the name. So why try
> to make the type id unique as well? A vendor can accidentally create
> their vendor driver so that a given name means something
On 9/20/2016 10:20 PM, Alex Williamson wrote:
> On Tue, 20 Sep 2016 21:53:16 +0530
> Kirti Wankhede <kwankh...@nvidia.com> wrote:
>
>> On 9/20/2016 8:13 PM, Alex Williamson wrote:
>>> On Tue, 20 Sep 2016 19:51:58 +0530
>>> Kirti Wankhede <kwankh...@nvi
On 9/20/2016 10:06 PM, Daniel P. Berrange wrote:
> On Tue, Sep 20, 2016 at 10:01:18PM +0530, Kirti Wankhede wrote:
>>
>>
>> On 9/20/2016 8:44 PM, Daniel P. Berrange wrote:
>>> On Tue, Sep 20, 2016 at 05:05:43PM +0200, Paolo Bonzini wrote:
>>>>
>>
On 9/20/2016 8:44 PM, Daniel P. Berrange wrote:
> On Tue, Sep 20, 2016 at 05:05:43PM +0200, Paolo Bonzini wrote:
>>
>>
>> On 20/09/2016 16:58, Daniel P. Berrange wrote:
> As I've said in my earlier reply - libvirt will *NOT* support passing
> arbitrary vendor specific parameters as a
On 9/20/2016 8:13 PM, Alex Williamson wrote:
> On Tue, 20 Sep 2016 19:51:58 +0530
> Kirti Wankhede <kwankh...@nvidia.com> wrote:
>
>> On 9/20/2016 3:06 AM, Alex Williamson wrote:
>>> On Tue, 20 Sep 2016 02:05:52 +0530
>>> Kirti Wankhede <kwankh...
On 9/20/2016 3:06 AM, Alex Williamson wrote:
> On Tue, 20 Sep 2016 02:05:52 +0530
> Kirti Wankhede <kwankh...@nvidia.com> wrote:
>
>> Hi libvirt experts,
>>
>> Thanks for valuable input on v1 version of RFC.
>>
>> Quick brief, VFIO based mediated dev
On 9/20/2016 3:55 AM, Alex Williamson wrote:
> On Mon, 19 Sep 2016 23:50:56 +0200
> Paolo Bonzini <pbonz...@redhat.com> wrote:
>
>> On 19/09/2016 23:36, Alex Williamson wrote:
>>> On Tue, 20 Sep 2016 02:05:52 +0530
>>> Kirti Wankhede <kwan
Hi libvirt experts,
Thanks for valuable input on v1 version of RFC.
Quick brief, VFIO based mediated device framework provides a way to
virtualize their devices without SR-IOV, like NVIDIA vGPU, Intel KVMGT
and IBM's channel IO. This framework reuses VFIO APIs for all the
functionalities for
On 9/19/2016 11:41 PM, Alex Williamson wrote:
> On Mon, 19 Sep 2016 22:59:34 +0530
> Kirti Wankhede <kwankh...@nvidia.com> wrote:
>
>> On 9/12/2016 9:23 PM, Alex Williamson wrote:
>>> On Mon, 12 Sep 2016 13:19:11 +0530
>>> Kirti Wankhede <kwankh...@nvid
On 9/20/2016 12:06 AM, Alex Williamson wrote:
> On Mon, 19 Sep 2016 23:52:36 +0530
> Kirti Wankhede <kwankh...@nvidia.com> wrote:
>
>> On 8/26/2016 7:43 PM, Kirti Wankhede wrote:
>>> * PGP Signed: 08/26/2016 at 07:15:44 AM, Decrypted
>>> On 8/25/2016 2:5
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