On Mon, Sep 21, 2015 at 11:42:28AM +1000, David Gibson wrote:
>On Sat, Sep 19, 2015 at 04:22:47PM +1000, David Gibson wrote:
>> On Fri, Sep 18, 2015 at 09:47:32AM -0600, Alex Williamson wrote:
>> > On Fri, 2015-09-18 at 16:24 +1000, Gavin Shan wrote:
>> > > This al
On Mon, Sep 21, 2015 at 11:42:28AM +1000, David Gibson wrote:
>On Sat, Sep 19, 2015 at 04:22:47PM +1000, David Gibson wrote:
>> On Fri, Sep 18, 2015 at 09:47:32AM -0600, Alex Williamson wrote:
>> > On Fri, 2015-09-18 at 16:24 +1000, Gavin Shan wrote:
>> > > This al
This extends the return value from container's IOCTL command
(VFIO_CHECK_EXTENSION + VFIO_EEH) to EEH API revision. Also,
extra check is applied to return -ENOTTY if EEH functionality
is disabled in vfio_spapr_iommu_eeh_ioctl().
Signed-off-by: Gavin Shan
---
drivers/vfio/vfio_iommu_spapr_
are
affected as before.
Gavin Shan (2):
drivers/vfio: Support EEH API revision
drivers/vfio: Support IOMMU group for EEH operations
drivers/vfio/vfio_iommu_spapr_tce.c | 50 ++---
drivers/vfio/vfio_spapr_eeh.c | 46
o specify IOMMU
group (PE) ID when requesting EEH operation.
Signed-off-by: Gavin Shan
---
drivers/vfio/vfio_iommu_spapr_tce.c | 51 -
drivers/vfio/vfio_spapr_eeh.c | 39
include/linux/vfio.h| 7 ++---
include/ua
On Tue, Jul 22, 2014 at 11:10:42AM +0800, Mike Qiu wrote:
>On 07/22/2014 06:49 AM, Benjamin Herrenschmidt wrote:
>>On Mon, 2014-07-21 at 16:06 +0800, Mike Qiu wrote:
I don't like this. I much prefer have dedicated error injection files
in their respective locations, something for PCI under
On Wed, Jun 25, 2014 at 02:23:53PM +0800, Wei Yang wrote:
>On Wed, Jun 25, 2014 at 03:33:12PM +1000, Gavin Shan wrote:
>>On Tue, Jun 24, 2014 at 11:32:07PM -0400, Mike Qiu wrote:
>>
>>[ cc Richard ]
>>
>>>Eeh sysfs entry created must be after EEH_ENABLE
On Tue, Jun 24, 2014 at 11:32:07PM -0400, Mike Qiu wrote:
[ cc Richard ]
>Eeh sysfs entry created must be after EEH_ENABLED been set
>in eeh_subsystem_flags.
>
>In PowerNV platform, it try to create sysfs entry before
>EEH_ENABLED been set, when boot up. So nothing will be
>created for eeh in sys
On Mon, Jun 23, 2014 at 04:36:44PM +1000, Michael Neuling wrote:
>On Mon, 2014-06-23 at 12:14 +1000, Gavin Shan wrote:
>> The patch implements one OPAL firmware sysfs file to support PCI error
>> injection: "/sys/firmware/opal/errinjct", which will be used like the
&g
On Tue, Jun 24, 2014 at 05:00:52PM +1000, Benjamin Herrenschmidt wrote:
>On Tue, 2014-06-24 at 14:57 +0800, Mike Qiu wrote:
>> Is that mean *host* side error injection should base on
>> "CONFIG_IOMMU_API" ? If it is just host side(no guest, no pass through),
>> can't we do error inject?
>>
>> Ma
On Tue, Jun 24, 2014 at 07:10:14AM +1000, Benjamin Herrenschmidt wrote:
>On Mon, 2014-06-23 at 12:14 +1000, Gavin Shan wrote:
>> The patch synchronizes firmware header file (opal.h) for PCI error
>> injection
>
>The FW API you expose is not PCI specific. I haven't
o
"ibm,errinjct". So "ibm,open-errinjct" and "ibm,close-errinjct" won't be
handled by host kernel and applications have full freedom to implement logic
of themselves for them.
Gavin Shan (3):
powerpc/powernv: Sync header with firmware
powerpc/powernv: Support
in the token by itself.
32-bits PCI error: "7:addr:mask:iommu_group_id:function".
64-bits PCI error: "8:addr:mask:iommu_group_id:function".
The above "7" and "8" represent 32-bits and 64-bits PCI error seperately
and "function" is one of the spe
OC of Firebird-L. So we have to clear them
before doing PE reset to avoid recursive EEH errors at recovery
stage.
Signed-off-by: Gavin Shan
---
arch/powerpc/platforms/powernv/eeh-ioda.c | 24
1 file changed, 24 insertions(+)
diff --git a/arch/powerpc/platforms/powernv/eeh-i
The patch synchronizes firmware header file (opal.h) for PCI error
injection.
Signed-off-by: Gavin Shan
---
arch/powerpc/include/asm/opal.h| 65 ++
arch/powerpc/platforms/powernv/opal-wrappers.S | 1 +
2 files changed, 66 insertions(+)
diff --git a/arch
The patch adds new IOCTL commands for sPAPR VFIO container device
to support EEH functionality for PCI devices, which have been passed
through from host to somebody else via VFIO.
Signed-off-by: Gavin Shan
Acked-by: Alexander Graf
---
Documentation/vfio.txt | 87
The patch exports functions to be used by new VFIO ioctl command,
which will be introduced in subsequent patch, to support EEH
functinality for VFIO PCI devices.
Signed-off-by: Gavin Shan
Acked-by: Alexander Graf
---
arch/powerpc/include/asm/eeh.h | 12 ++
arch/powerpc/kernel/eeh.c | 268
Missed to disable VFIO device on error from vfio_spapr_pci_eeh_open().
* Don't include unused header files in drivers/vfio/vfio_spapr_eeh.c
* Define inline PE state for VFIO_EEH_PE_GET_STATE.
v9 -> v10:
* Make sure we have zero struct vfio_eeh_pe_op::flags
Gavin
We must not handle EEH error on devices which are passed to somebody
else. Instead, we expect that the frozen device owner detects an EEH
error and recovers from it.
This avoids EEH error handling on passed through devices so the device
owner gets a chance to handle them.
Signed-off-by: Gavin
On Fri, Jun 06, 2014 at 12:20:04PM -0600, Alex Williamson wrote:
>On Fri, 2014-06-06 at 15:00 +1000, Gavin Shan wrote:
>> The patch adds new IOCTL commands for sPAPR VFIO container device
>> to support EEH functionality for PCI devices, which have been passed
>> through from
We must not handle EEH error on devices which are passed to somebody
else. Instead, we expect that the frozen device owner detects an EEH
error and recovers from it.
This avoids EEH error handling on passed through devices so the device
owner gets a chance to handle them.
Signed-off-by: Gavin
O device on error from vfio_spapr_pci_eeh_open().
* Don't include unused header files in drivers/vfio/vfio_spapr_eeh.c
* Define inline PE state for VFIO_EEH_PE_GET_STATE.
Gavin Shan (3):
powerpc/eeh: Avoid event on passed PE
powerpc/eeh: EEH support for VFIO PCI device
driver
The patch exports functions to be used by new VFIO ioctl command,
which will be introduced in subsequent patch, to support EEH
functinality for VFIO PCI devices.
Signed-off-by: Gavin Shan
Acked-by: Alexander Graf
---
arch/powerpc/include/asm/eeh.h | 12 ++
arch/powerpc/kernel/eeh.c | 268
The patch adds new IOCTL commands for sPAPR VFIO container device
to support EEH functionality for PCI devices, which have been passed
through from host to somebody else via VFIO.
Signed-off-by: Gavin Shan
Acked-by: Alexander Graf
---
Documentation/vfio.txt | 87
On Thu, Jun 05, 2014 at 02:54:47PM +0200, Alexander Graf wrote:
>
>On 05.06.14 08:36, Gavin Shan wrote:
>>The series of patches adds support EEH for PCI devices, which are passed
>>through to PowerKVM based guest via VFIO. The implementation is
>>straightforward
>>b
On Thu, Jun 05, 2014 at 11:18:34AM -0600, Alex Williamson wrote:
>On Thu, 2014-06-05 at 16:36 +1000, Gavin Shan wrote:
>> The patch adds new IOCTL commands for sPAPR VFIO container device
>> to support EEH functionality for PCI devices, which have been passed
>> through from
On Thu, Jun 05, 2014 at 04:50:04PM +1000, Benjamin Herrenschmidt wrote:
>On Thu, 2014-06-05 at 16:36 +1000, Gavin Shan wrote:
>> +#define EEH_OPT_GET_PE_ADDR0 /* Get PE addr */
>> +#define EEH_OPT_GET_PE_MODE1 /* Get PE mode */
>
>I assume that's j
, inline functions defined in
include/linux/vfio.h
* Change vfio.txt according to the source code changes.
* Fix various comments from internal reviews by Alexey. Thanks to
Alexey.
Gavin Shan (3):
powerpc/eeh: Avoid event on passed PE
powerpc/eeh: EEH support for VFIO PC
The patch exports functions to be used by new VFIO ioctl command,
which will be introduced in subsequent patch, to support EEH
functinality for VFIO PCI devices.
Signed-off-by: Gavin Shan
---
arch/powerpc/include/asm/eeh.h | 14 +++
arch/powerpc/kernel/eeh.c | 268
The patch adds new IOCTL commands for sPAPR VFIO container device
to support EEH functionality for PCI devices, which have been passed
through from host to somebody else via VFIO.
Signed-off-by: Gavin Shan
---
Documentation/vfio.txt | 87
We must not handle EEH error on devices which are passed to somebody
else. Instead, we expect that the frozen device owner detects an EEH
error and recovers from it.
This avoids EEH error handling on passed through devices so the device
owner gets a chance to handle them.
Signed-off-by: Gavin
On Wed, May 28, 2014 at 10:32:11AM -0600, Alex Williamson wrote:
>On Wed, 2014-05-28 at 10:55 +1000, Gavin Shan wrote:
>> On Tue, May 27, 2014 at 12:15:27PM -0600, Alex Williamson wrote:
>> >On Tue, 2014-05-27 at 18:40 +1000, Gavin Shan wrote:
>> >> The patch adds new
On Thu, May 29, 2014 at 01:38:46AM +0200, Alexander Graf wrote:
>On 29.05.14 01:37, Gavin Shan wrote:
>>On Thu, May 29, 2014 at 12:40:26AM +0200, Alexander Graf wrote:
>>>On 28.05.14 18:17, Alex Williamson wrote:
>>>>On Wed, 2014-05-28 at 13:37 +0200, Alexander Graf
wrote:
>>>>>On 28.05.14 02:39, Alex Williamson wrote:
>>>>>>On Wed, 2014-05-28 at 00:49 +0200, Alexander Graf wrote:
>>>>>>>On 27.05.14 20:15, Alex Williamson wrote:
>>>>>>>>On Tue, 2014-05-27 at 18:40 +1000, Gavin Sh
On Wed, May 28, 2014 at 03:12:35PM +0200, Alexander Graf wrote:
>
>On 28.05.14 14:49, Gavin Shan wrote:
>>On Wed, May 28, 2014 at 01:41:35PM +0200, Alexander Graf wrote:
>>>On 28.05.14 02:55, Gavin Shan wrote:
>>>>On Tue, May 27, 2014 at 12:15:27PM -0600, Alex Wi
On Wed, May 28, 2014 at 01:41:35PM +0200, Alexander Graf wrote:
>
>On 28.05.14 02:55, Gavin Shan wrote:
>>On Tue, May 27, 2014 at 12:15:27PM -0600, Alex Williamson wrote:
>>>On Tue, 2014-05-27 at 18:40 +1000, Gavin Shan wrote:
>>>>The patch adds new IOCTL command
On Tue, May 27, 2014 at 12:15:27PM -0600, Alex Williamson wrote:
>On Tue, 2014-05-27 at 18:40 +1000, Gavin Shan wrote:
>> The patch adds new IOCTL commands for sPAPR VFIO container device
>> to support EEH functionality for PCI devices, which have been passed
>> through from
The patch adds new IOCTL commands for sPAPR VFIO container device
to support EEH functionality for PCI devices, which have been passed
through from host to somebody else via VFIO.
Signed-off-by: Gavin Shan
---
Documentation/vfio.txt | 92
If we detects frozen state on PE that has been passed through to somebody
else. we needn't handle it. Instead, we rely on the device's owner to
detect and recover it. The patch avoid EEH event on the frozen passed PE
so that the device's owner can have chance to handle that.
Signe
The patch exports functions to be used by new ioctl commands, which
will be introduced in subsequent patch, to support EEH functinality
for VFIO PCI device.
Signed-off-by: Gavin Shan
---
arch/powerpc/include/asm/eeh.h | 15 +++
arch/powerpc/kernel/eeh.c | 286
/, which was suggested by Alex.W.
* Define various EEH options as macros in vfio.h for userland to use.
Gavin Shan (3):
powerpc/eeh: Avoid event on passed PE
powerpc/eeh: EEH support for VFIO PCI device
drivers/vfio: EEH support for VFIO PCI device
Documentation/vfio.tx
On Fri, May 23, 2014 at 08:29:59AM -0600, Alex Williamson wrote:
>On Fri, 2014-05-23 at 14:37 +1000, Gavin Shan wrote:
>> On Thu, May 22, 2014 at 09:10:53PM -0600, Alex Williamson wrote:
>> >On Thu, 2014-05-22 at 18:23 +1000, Gavin Shan wrote:
.../...
>No, sorry, I mean
On Fri, May 23, 2014 at 02:49:13PM +0200, Alexander Graf wrote:
.../...
>
>VFIO_EEH_RECOVER?
>
Then it should contain VFIO_EEH_PE_RESET, which is part of the
recovery. I don't expect the recovery to be done with one ioctl
command :-)
I personally prefer to keep VFIO_EEH_PE_CONFIUGRE, which mean
On Fri, May 23, 2014 at 08:49:19AM -0600, Alex Williamson wrote:
>On Fri, 2014-05-23 at 14:30 +0200, Alexander Graf wrote:
>> On 23.05.14 13:58, Gavin Shan wrote:
>> > On Fri, May 23, 2014 at 08:52:23AM +0200, Alexander Graf wrote:
>> >>> Am 23.05.2014
On Fri, May 23, 2014 at 01:58:50PM +0200, Alexander Graf wrote:
>
>On 23.05.14 13:55, Gavin Shan wrote:
>>On Fri, May 23, 2014 at 11:58:22AM +0200, Alexander Graf wrote:
>>>On 23.05.14 09:37, Gavin Shan wrote:
>>>>On Fri, May 23, 2014 at 08:55:15AM +0200, Alexande
On Fri, May 23, 2014 at 08:52:23AM +0200, Alexander Graf wrote:
>
>
>> Am 23.05.2014 um 05:23 schrieb Alex Williamson :
>>
>>> On Fri, 2014-05-23 at 10:37 +1000, Gavin Shan wrote:
>>>> On Fri, May 23, 2014 at 10:17:30AM +1000, Gavin Shan wrote:
>>
On Fri, May 23, 2014 at 11:58:22AM +0200, Alexander Graf wrote:
>
>On 23.05.14 09:37, Gavin Shan wrote:
>>On Fri, May 23, 2014 at 08:55:15AM +0200, Alexander Graf wrote:
>>>>Am 23.05.2014 um 06:37 schrieb Gavin Shan :
>>>>>On Thu, May 22, 2014 at 09:10:53PM
On Fri, May 23, 2014 at 08:55:15AM +0200, Alexander Graf wrote:
>> Am 23.05.2014 um 06:37 schrieb Gavin Shan :
>>> On Thu, May 22, 2014 at 09:10:53PM -0600, Alex Williamson wrote:
>>>> On Thu, 2014-05-22 at 18:23 +1000, Gavin Shan wrote:
>>>> The patch adds
On Thu, May 22, 2014 at 09:10:53PM -0600, Alex Williamson wrote:
>On Thu, 2014-05-22 at 18:23 +1000, Gavin Shan wrote:
>> The patch adds new IOCTL commands for VFIO PCI device to support
>> EEH functionality for PCI devices, which have been passed through
>> from host to s
On Fri, May 23, 2014 at 10:17:30AM +1000, Gavin Shan wrote:
>On Thu, May 22, 2014 at 11:55:29AM +0200, Alexander Graf wrote:
>>On 22.05.14 10:23, Gavin Shan wrote:
.../...
>>>diff --git a/include/uapi/linux/vfio.h b/include/uapi/linux/vfio.h
>>>index cb9023d..ef55682 1
On Thu, May 22, 2014 at 11:55:29AM +0200, Alexander Graf wrote:
>
>On 22.05.14 10:23, Gavin Shan wrote:
>>The patch adds new IOCTL commands for VFIO PCI device to support
>>EEH functionality for PCI devices, which have been passed through
>>from host to somebody else via
On Thu, May 22, 2014 at 11:55:57AM +0200, Alexander Graf wrote:
>
>On 22.05.14 10:23, Gavin Shan wrote:
>>If we detects frozen state on PE that has been passed through to somebody
>>else. we needn't handle it. Instead, we rely on the device's owner to
>>detect a
The patch introduces new flags for EEH device and PE to indicate
that the device or PE has been passed through to somebody else.
In turn, we will deliver EEH errors to the device's owner for
further handling, which will be done in subsequent patches.
Signed-off-by: Gavin Shan
---
arch/po
l numbers have been replaced by macros defined in eeh.h.
The comments,
including the function names have been amended not to mention "guest"
or "vfio".
* Add one mutex to protect flag in eeh_dev_open()/release().
* More information on how to use those ioctl
The patch adds new IOCTL commands for VFIO PCI device to support
EEH functionality for PCI devices, which have been passed through
from host to somebody else via VFIO.
Signed-off-by: Gavin Shan
---
Documentation/vfio.txt | 88 ++-
arch/powerpc/include/asm/eeh.h | 17 +++
arch
If we detects frozen state on PE that has been passed through to somebody
else. we needn't handle it. Instead, we rely on the device's owner to
detect and recover it. The patch avoid EEH event on the frozen passed PE so
that the device's owner can have chance to handle that.
Signe
On Thu, May 22, 2014 at 07:56:31AM +1000, Benjamin Herrenschmidt wrote:
>On Wed, 2014-05-21 at 15:07 +0200, Alexander Graf wrote:
>
>> > +#ifdef CONFIG_VFIO_PCI_EEH
>> > +int eeh_vfio_open(struct pci_dev *pdev)
>>
>> Why vfio? Also that config option will not be set if vfio is compiled as
>> a mo
On Wed, May 21, 2014 at 03:13:11PM +0200, Alexander Graf wrote:
>
>On 21.05.14 07:03, Gavin Shan wrote:
>>If we detects frozen state on PE that has been passed to guest, we
>>needn't handle it. Instead, we rely on the guest to detect and recover
>>it. The patch avoid E
On Wed, May 21, 2014 at 03:07:26PM +0200, Alexander Graf wrote:
>
>On 21.05.14 07:03, Gavin Shan wrote:
>>The patch adds new IOCTL command VFIO_EEH_OP to VFIO PCI device
>>to support EEH functionality for PCI devices, which have been
>>passed from host to guest via VFIO.
&
On Wed, May 21, 2014 at 05:24:22PM +1000, Benjamin Herrenschmidt wrote:
>On Wed, 2014-05-21 at 08:23 +0200, Alexander Graf wrote:
>> > Note to Alex: This definitely kills the notifier idea for now
>> though,
>> > at least as a first class citizen of the design. We can add it as an
>> > optional opt
The patch introduces new flags for EEH device and PE to indicate
that the device or PE has been passed through to guest. In turn,
we will deliver EEH errors to guest for further handling, which
will be done in subsequent patches.
Signed-off-by: Gavin Shan
---
arch/powerpc/include/asm/eeh.h | 32
The patch introduces CONFIG_VFIO_PCI_EEH for more IOCTL commands
on VFIO PCI device support EEH funtionality for PCI devices that
are passed through from host to guest.
Signed-off-by: Gavin Shan
---
drivers/vfio/pci/Kconfig | 6 ++
1 file changed, 6 insertions(+)
diff --git a/drivers/vfio
If we detects frozen state on PE that has been passed to guest, we
needn't handle it. Instead, we rely on the guest to detect and recover
it. The patch avoid EEH event on the frozen passed PE so that the guest
can have chance to handle that.
Signed-off-by: Gavin Shan
---
arch/powerpc/k
related to error injection.
* Amending Documentation/vfio.txt, which was missed in last revision.
* No QEMU changes for this revision. "v4" works well. Also, remove
"RFC" from the
subject as the design is basically recognized.
Gavin Shan (4):
d
The patch adds new IOCTL command VFIO_EEH_OP to VFIO PCI device
to support EEH functionality for PCI devices, which have been
passed from host to guest via VFIO.
Signed-off-by: Gavin Shan
---
Documentation/vfio.txt | 6 +-
arch/powerpc/include/asm/eeh.h | 10 ++
arch/powerpc/kernel
On Wed, May 21, 2014 at 10:12:11AM +1000, Benjamin Herrenschmidt wrote:
>On Tue, 2014-05-20 at 21:56 +1000, Gavin Shan wrote:
>
> .../...
>
>> >I think what you want is an irqfd that the in-kernel eeh code
>> >notifies when it sees a failure. When such an fd exists
On Wed, May 21, 2014 at 10:23:52AM +1000, Benjamin Herrenschmidt wrote:
>On Tue, 2014-05-20 at 22:39 +1000, Gavin Shan wrote:
>> >>Yeah. How about this? :-)
>> >>
>> >>- Move eeh-vfio.c to drivers/vfio/pci/
>> >>- From eeh-vfio.c, dereference a
On Tue, May 20, 2014 at 02:14:56PM +0200, Alexander Graf wrote:
>
>On 20.05.14 13:56, Gavin Shan wrote:
>>On Tue, May 20, 2014 at 01:25:11PM +0200, Alexander Graf wrote:
>>>On 20.05.14 10:30, Gavin Shan wrote:
>>>>If we detects frozen state on PE that has bee
On Tue, May 20, 2014 at 02:25:45PM +0200, Alexander Graf wrote:
>
>On 20.05.14 14:21, Gavin Shan wrote:
>>On Tue, May 20, 2014 at 01:44:21PM +0200, Alexander Graf wrote:
>>>On 20.05.14 13:40, Gavin Shan wrote:
>>>>On Tue, May 20, 2014 at 01:28:40PM +0200, Alexande
On Tue, May 20, 2014 at 01:44:21PM +0200, Alexander Graf wrote:
>
>On 20.05.14 13:40, Gavin Shan wrote:
>>On Tue, May 20, 2014 at 01:28:40PM +0200, Alexander Graf wrote:
>>>On 20.05.14 13:21, Alexander Graf wrote:
>>>>On 20.05.14 10:30, Gavin Shan wrote:
>
On Tue, May 20, 2014 at 01:25:11PM +0200, Alexander Graf wrote:
>
>On 20.05.14 10:30, Gavin Shan wrote:
>>If we detects frozen state on PE that has been passed to guest, we
>>needn't handle it. Instead, we rely on the guest to detect and recover
>>it. The patch avoid E
On Tue, May 20, 2014 at 01:28:40PM +0200, Alexander Graf wrote:
>
>On 20.05.14 13:21, Alexander Graf wrote:
>>
>>On 20.05.14 10:30, Gavin Shan wrote:
>>>The patch adds new IOCTL command VFIO_EEH_OP to VFIO PCI device
>>>to support EEH functionality for PCI dev
On Tue, May 20, 2014 at 12:02:22PM +0200, Alexander Graf wrote:
>
>On 20.05.14 10:28, Gavin Shan wrote:
>>On Mon, May 19, 2014 at 06:37:24PM -0600, Alex Williamson wrote:
>>>On Tue, 2014-05-20 at 10:22 +1000, Gavin Shan wrote:
>>>>On Mon, May 19, 2014 at 04:33:
The patch adds new IOCTL command VFIO_EEH_OP to VFIO PCI device
to support EEH functionality for PCI devices, which have been
passed from host to guest via VFIO.
Signed-off-by: Gavin Shan
---
arch/powerpc/platforms/powernv/Makefile | 1 +
arch/powerpc/platforms/powernv/eeh-vfio.c | 445
If we detects frozen state on PE that has been passed to guest, we
needn't handle it. Instead, we rely on the guest to detect and recover
it. The patch avoid EEH event on the frozen passed PE so that the guest
can have chance to handle that.
Signed-off-by: Gavin Shan
---
arch/powerpc/k
ted by Alex.W.
Testing on P7
=
- Emulex adapter
Testing on P8
=
Need testing for more after the code is finalized. The logic is required by
P7/P8
machines shouldn't be different.
Gavin Shan (4):
drivers/vfio: Introduce CONFIG_VFIO_PCI_EEH
powerpc/eeh: Flags for passed devic
The patch introduces new flags for EEH device and PE to indicate
that the device or PE has been passed through to guest. In turn,
we will deliver EEH errors to guest for further handling, which
will be done in subsequent patches.
Signed-off-by: Gavin Shan
---
arch/powerpc/include/asm/eeh.h | 32
The patch introduces CONFIG_VFIO_PCI_EEH for more IOCTL commands
on VFIO PCI device support EEH funtionality for PCI devices that
are passed through from host to guest.
Signed-off-by: Gavin Shan
---
drivers/vfio/pci/Kconfig | 6 ++
1 file changed, 6 insertions(+)
diff --git a/drivers/vfio
On Mon, May 19, 2014 at 06:37:24PM -0600, Alex Williamson wrote:
>On Tue, 2014-05-20 at 10:22 +1000, Gavin Shan wrote:
>> On Mon, May 19, 2014 at 04:33:10PM -0600, Alex Williamson wrote:
>> >On Wed, 2014-05-14 at 14:11 +1000, Gavin Shan wrote:
>> >> The patch adds n
On Mon, May 19, 2014 at 04:33:10PM -0600, Alex Williamson wrote:
>On Wed, 2014-05-14 at 14:11 +1000, Gavin Shan wrote:
>> The patch adds new IOCTL command VFIO_EEH_INFO to VFIO container
>> to support EEH functionality for PCI devices, which have been
>> passed from host to gu
On Mon, May 19, 2014 at 02:51:27PM +0200, Alexander Graf wrote:
>
>On 14.05.14 06:11, Gavin Shan wrote:
>>The patch adds new IOCTL command VFIO_EEH_INFO to VFIO container
>>to support EEH functionality for PCI devices, which have been
>>passed from host to guest via VFIO.
&
On Tue, May 20, 2014 at 08:37:29AM +1000, Benjamin Herrenschmidt wrote:
>On Mon, 2014-05-19 at 14:46 +0200, Alexander Graf wrote:
>> I don't see the point of VFIO knowing about guest addresses. They are
>> not unique across a system and the whole idea that a VFIO device has to
>> be owned by a gu
On Wed, May 14, 2014 at 02:11:54PM +1000, Gavin Shan wrote:
Ping, Alex.G and Alex.W. Could you please take a look on this when
you have available bandwidth? Thanks in advance for your time :-)
>The series of patches intends to support EEH for PCI devices, which are
>passed through to Po
lly
>>to host kernel.
>>v2 -> v3:
>> * Make the fields in struct eeh_vfio_pci_addr, struct vfio_eeh_info
>> based
>>on the comments from Alexey.
>> * Define macros for EEH VFIO operations (Alexey).
>> * Clear frozen stat
transported between userland and kerenl is
by "struct rtas_args". It's platform specific on how to use the data.
Signed-off-by: Mike Qiu
Signed-off-by: Gavin Shan
---
arch/powerpc/include/asm/rtas.h| 10 +-
arch/powerpc/include/asm/syscalls.h| 2 +-
arch/powerpc/incl
If we detects frozen state on PE that has been passed to guest, we
needn't handle it. Instead, we rely on the guest to detect and recover
it. The patch avoid EEH event on the frozen passed PE so that the guest
can have chance to handle that.
Signed-off-by: Gavin Shan
---
arch/powerpc/k
The patch adds new IOCTL command VFIO_EEH_INFO to VFIO container
to support EEH functionality for PCI devices, which have been
passed from host to guest via VFIO.
Signed-off-by: Gavin Shan
---
arch/powerpc/platforms/powernv/Makefile | 1 +
arch/powerpc/platforms/powernv/eeh-vfio.c | 593
errors in future.
Signed-off-by: Gavin Shan
---
arch/powerpc/include/asm/opal.h| 6 +
arch/powerpc/platforms/powernv/Makefile| 2 +-
arch/powerpc/platforms/powernv/errinject.c | 224 +
3 files changed, 231 insertions(+), 1 deletion(-)
create mode 100644
, the patch adds function eeh_vfio_pe_get() and eeh_vfio_dev_get()
to search EEH PE or device according to the given guest address. Both
of them will be used by subsequent patches.
Signed-off-by: Gavin Shan
---
arch/powerpc/include/asm/eeh.h | 52 +++
arch/powerpc/kernel
be distributed.
Signed-off-by: Gavin Shan
---
arch/powerpc/include/asm/opal.h | 3 +-
arch/powerpc/platforms/powernv/opal.c | 90 ++-
2 files changed, 90 insertions(+), 3 deletions(-)
diff --git a/arch/powerpc/include/asm/opal.h b/arch/powerpc/include/asm/opal.
The patch introduces CONFIG_VFIO_EEH for more IOCTL commands on
tce_iommu_driver_ops to support EEH funtionality for PCI devices
that are passed through from host to guest.
Signed-off-by: Gavin Shan
---
drivers/vfio/Kconfig | 6 ++
1 file changed, 6 insertions(+)
diff --git a/drivers/vfio
pter
Testing on P8
=
- Need more testing after design is finalized.
-
Gavin Shan (8):
drivers/vfio: Introduce CONFIG_VFIO_EEH
powerpc/eeh: Info to trace passed devices
drivers/vfio: New IOCTL command VFIO_EEH_INFO
powerpc/eeh: Avoid event on passed PE
powerpc/powernv:
The patch synchronizes OPAL header file with firmware so that the
host kernel can make OPAL call to do error injection.
Signed-off-by: Gavin Shan
---
arch/powerpc/include/asm/opal.h| 65 ++
arch/powerpc/platforms/powernv/opal-wrappers.S | 1 +
2 files
On Fri, May 09, 2014 at 05:49:32PM +1000, Gavin Shan wrote:
Sorry for having missed cc'ing Alex Graf. Amending it.
>The series of patches intends to support EEH for PCI devices, which are
>passed through to PowerKVM based guest via VFIO. The implementation is
>straightforward based
be distributed.
Signed-off-by: Gavin Shan
---
arch/powerpc/include/asm/opal.h | 3 +-
arch/powerpc/platforms/powernv/opal.c | 90 ++-
2 files changed, 90 insertions(+), 3 deletions(-)
diff --git a/arch/powerpc/include/asm/opal.h b/arch/powerpc/include/asm/opal.
The patch introduces function eeh_vfio_pe_get() to search the EEH
PE according to its guest address, which is made up of PHB ID and
PE configuration address. The function will be useful in backends
for EEH RTAS emulation.
Signed-off-by: Gavin Shan
---
arch/powerpc/include/asm/eeh.h | 1 +
arch
errors in future.
Signed-off-by: Gavin Shan
---
arch/powerpc/include/asm/opal.h| 6 +
arch/powerpc/platforms/powernv/Makefile| 2 +-
arch/powerpc/platforms/powernv/errinject.c | 224 +
3 files changed, 231 insertions(+), 1 deletion(-)
create mode
The patch synchronizes OPAL header file with firmware so that the
host kernel can make OPAL call to do error injection.
Signed-off-by: Gavin Shan
---
arch/powerpc/include/asm/opal.h| 65 ++
arch/powerpc/platforms/powernv/opal-wrappers.S | 1 +
2 files
transported between userland and kerenl is
by "struct rtas_args". It's platform specific on how to use the data.
Signed-off-by: Mike Qiu
Signed-off-by: Gavin Shan
---
arch/powerpc/include/asm/rtas.h| 10 +-
arch/powerpc/include/asm/syscalls.h| 2 +-
arch/powerpc/incl
If we detects frozen state on PE that has been passed to guest, we
needn't handle it. Instead, we rely on the guest to detect and recover
it. The patch avoid EEH event on the frozen passed PE so that the guest
can have chance to handle that.
Signed-off-by: Gavin Shan
---
arch/powerpc/k
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