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 on the issues or problems we have to resolve to
support EEH for PowerKVM based guest.
- Emulation for EEH RTAS requests. All EEH
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 gws...@linux.vnet.ibm.com
---
arch/powerpc/include/asm/eeh.h | 15 +++
arch/powerpc/kernel/eeh.c | 286
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 gws...@linux.vnet.ibm.com
---
Documentation/vfio.txt | 92
On Sat, 2014-05-24 at 12:06 +1000, Gavin Shan wrote:
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:
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 host to somebody else via VFIO.
Signed-off-by: Gavin Shan gws...@linux.vnet.ibm.com
---
On Tue, 2014-05-27 at 12:15 -0600, Alex Williamson wrote:
+/*
+ * Reset is the major step to recover problematic PE. The following
+ * command helps on that.
+ */
+struct vfio_eeh_pe_reset {
+ __u32 argsz;
+ __u32 flags;
+ __u32 option;
+#define
On Wed, 2014-05-28 at 06:30 +1000, Benjamin Herrenschmidt wrote:
On Tue, 2014-05-27 at 12:15 -0600, Alex Williamson wrote:
+/*
+ * Reset is the major step to recover problematic PE. The following
+ * command helps on that.
+ */
+struct vfio_eeh_pe_reset {
+ __u32 argsz;
+
On Tue, 2014-05-27 at 14:37 -0600, Alex Williamson wrote:
The usual way is the driver asks for one or the other, this plumbs back
into the guest EEH code which itself plumbs into the PCIe error recovery
framework in Linux.
So magic?
Yes. The driver is expected to more or less knows what
On 27.05.14 20:15, 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 host to somebody else via VFIO.
Signed-off-by:
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 Shan wrote:
The patch adds new IOCTL commands for sPAPR VFIO container device
to support EEH functionality for PCI devices, which have been passed
On Wed, 2014-05-28 at 02:44 +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 Shan wrote:
The patch adds new IOCTL commands for
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