On Wed, Mar 11, 2015 at 3:14 PM, Alex Williamson
alex.william...@redhat.com wrote:
On Fri, 2015-03-06 at 16:11 -0600, Bjorn Helgaas wrote:
On Wed, Mar 04, 2015 at 01:02:43PM -0700, Alex Williamson wrote:
This copies the same support from pci-stub for exactly the same
purpose, enabling a set
On Wed, Mar 04, 2015 at 01:02:43PM -0700, Alex Williamson wrote:
This copies the same support from pci-stub for exactly the same
purpose, enabling a set of PCI IDs to be automatically added to the
driver's dynamic ID table at module load time. The code here is
pretty simple and both vfio-pci
.
[bhelgaas: changelog]
Reported-by: Zhang Jukuo zhangju...@huawei.com
Tested-by: Zhang Jukuo zhangju...@huawei.com
Signed-off-by: Yijing Wang wangyij...@huawei.com
Signed-off-by: Bjorn Helgaas bhelg...@google.com
diff --git a/arch/x86/pci/xen.c b/arch/x86/pci/xen.c
index c489ef2c1a39
On Thu, Jan 29, 2015 at 7:15 AM, Jan Beulich jbeul...@suse.com wrote:
On 29.01.15 at 04:54, wangyij...@huawei.com wrote:
--- a/drivers/pci/msi.c
+++ b/drivers/pci/msi.c
@@ -694,11 +694,16 @@ static void __iomem *msix_map_region(struct pci_dev
*dev, unsigned nr_entries)
{
[+cc Konrad, Boris, David, xen-devel, Alex, kvm]
On Wed, Jan 28, 2015 at 09:52:17AM +0800, Yijing Wang wrote:
Sometimes, a pci bridge device BAR was not assigned
properly. After we call pci_bus_assign_resources(), the
resource of the BAR would be reseted. So if we try to
enable msix for this
On Wed, Jan 28, 2015 at 3:05 PM, Boris Ostrovsky
boris.ostrov...@oracle.com wrote:
On 01/28/2015 01:13 PM, Bjorn Helgaas wrote:
diff --git a/drivers/pci/msi.c b/drivers/pci/msi.c
index fd60806..c3e7dfc 100644
--- a/drivers/pci/msi.c
+++ b/drivers/pci/msi.c
@@ -694,11 +694,16 @@ static void
Hi Antonios,
On Mon, Oct 27, 2014 at 12:07 PM, Antonios Motakis
a.mota...@virtualopensystems.com wrote:
The virqfd functionality that is used by VFIO_PCI to implement interrupt
masking and unmasking via an eventfd, is generic enough and can be reused
by another driver. Move it to a separate
On Mon, Oct 27, 2014 at 12:08 PM, Antonios Motakis
a.mota...@virtualopensystems.com wrote:
The virqfd_enable and virqfd_disable functions are now global. Add the
vfio_ prefix to those functions.
Wouldn't it be better to change the name *before* making them global?
Bjorn
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To unsubscribe from
[+ Alex, linux-pci, kvm]
On Thu, Oct 2, 2014 at 4:11 AM, bugzilla-dae...@bugzilla.kernel.org wrote:
https://bugzilla.kernel.org/show_bug.cgi?id=85441
Bug ID: 85441
Summary: [vfio] [lockdep] Deadlock when attempting to unbind
device from a running
On Tue, Sep 09, 2014 at 10:21:24AM +0800, Ethan Zhao wrote:
This patch set introduces three PCI device flag operation helper functions
when set pci device PF/VF to assigned or deassigned status also check it.
and patch 2,3,4 apply these helper functions to KVM,XEN and PCI.
v2: simplify
On Fri, Sep 05, 2014 at 11:15:22AM -0600, Bjorn Helgaas wrote:
On Fri, Aug 08, 2014 at 01:36:03PM +0800, Ethan Zhao wrote:
This patch set introduces three PCI device flag operation helper functions
when set pci device PF/VF to assigned or deassigned status also check it.
and patch 2,3,4
On Fri, Aug 08, 2014 at 01:36:03PM +0800, Ethan Zhao wrote:
This patch set introduces three PCI device flag operation helper functions
when set pci device PF/VF to assigned or deassigned status also check it.
and patch 2,3,4 apply these helper functions to KVM,XEN and PCI.
v2: simplify
On Mon, May 19, 2014 at 01:01:07PM +1000, Gavin Shan wrote:
The patch exports 2 MSI message relevant functions, which will be
used by VFIO PCI driver. The VFIO PCI driver would be built as
a module.
Signed-off-by: Gavin Shan gws...@linux.vnet.ibm.com
Acked-by: Bjorn Helgaas bhelg
On Sat, May 31, 2014 at 5:42 AM, Gavin Shan gws...@linux.vnet.ibm.com wrote:
On Fri, May 30, 2014 at 04:12:32PM -0600, Bjorn Helgaas wrote:
On Mon, May 19, 2014 at 01:01:10PM +1000, Gavin Shan wrote:
The MSIx vector table lives in device memory, which may be cleared as
part of a backdoor device
On Mon, May 19, 2014 at 01:01:10PM +1000, Gavin Shan wrote:
The MSIx vector table lives in device memory, which may be cleared as
part of a backdoor device reset. This is the case on the IBM IPR HBA
when the BIST is run on the device. When assigned to a QEMU guest,
the guest driver does a
On Tue, May 20, 2014 at 08:53:21AM -0600, Alex Williamson wrote:
The driver_override field allows us to specify the driver for a device
rather than relying on the driver to provide a positive match of the
device. This shortcuts the existing process of looking up the vendor
and device ID,
On Tue, May 20, 2014 at 08:53:21AM -0600, Alex Williamson wrote:
The driver_override field allows us to specify the driver for a device
rather than relying on the driver to provide a positive match of the
device. This shortcuts the existing process of looking up the vendor
and device ID,
Coverity complains that byte is used uninitialized in
drivers/vfio/pci/vfio_pci_config.c in vfio_ext_cap_len():
1139sts = byte PCI_TPH_CAP_ST_MASK;
1140sts = PCI_TPH_CAP_ST_SHIFT;
1141return PCI_TPH_BASE_SIZEOF +
On Thu, Apr 3, 2014 at 9:53 AM, Bjorn Helgaas bhelg...@google.com wrote:
Coverity complains that byte is used uninitialized in
drivers/vfio/pci/vfio_pci_config.c in vfio_ext_cap_len():
1139sts = byte PCI_TPH_CAP_ST_MASK;
1140sts
[+cc kvm list]
On Wed, Mar 19, 2014 at 7:32 PM, Ming Lei tom.leim...@gmail.com wrote:
On Thu, Mar 20, 2014 at 12:45 AM, Bjorn Helgaas bhelg...@google.com wrote:
On Tue, Mar 18, 2014 at 10:52 PM, Ming Lei tom.leim...@gmail.com wrote:
Hi,
Looks Sasha fixed the problem in lkvm tool[1].
Sasha
On Fri, Mar 21, 2014 at 2:25 PM, Sasha Levin sasha.le...@oracle.com wrote:
On 03/21/2014 04:07 PM, Bjorn Helgaas wrote:
I think I figured out what the problem is. In virtio_pci__init(), we
allocate some address space with pci_get_io_space_block(), save its
address in vpci-mmio_addr, and hook
On Fri, Jan 17, 2014 at 05:02:21PM +0100, Alexander Gordeev wrote:
As result deprecation of MSI-X/MSI enablement functions
pci_enable_msix() and pci_enable_msi_block() all drivers
using these two interfaces need to be updated to use the
new pci_enable_msi_range() and pci_enable_msix_range()
On Sat, Jan 18, 2014 at 09:59:40AM -0500, Tejun Heo wrote:
On Sat, Jan 18, 2014 at 07:38:55AM -0700, Bjorn Helgaas wrote:
On Sat, Jan 18, 2014 at 12:15 AM, Alexander Gordeev agord...@redhat.com
wrote:
On Fri, Jan 17, 2014 at 02:00:32PM -0700, Bjorn Helgaas wrote:
As the release
On Sat, Jan 18, 2014 at 12:15 AM, Alexander Gordeev agord...@redhat.com wrote:
On Fri, Jan 17, 2014 at 02:00:32PM -0700, Bjorn Helgaas wrote:
As the release is supposedly this weekend, do you prefer
the patches to go to your tree or to individual trees after
the release?
I'd be happy
On Fri, Jan 17, 2014 at 9:02 AM, Alexander Gordeev agord...@redhat.com wrote:
This series is against next branch in Bjorn's repo:
git://git.kernel.org/pub/scm/linux/kernel/git/helgaas/pci.git
Changes from v1 to v2:
- added a regression fix ahci: Fix broken fallback to single
MSI mode
On Tue, Jan 14, 2014 at 8:45 PM, Alex Williamson
alex.william...@redhat.com wrote:
PCI resets will attempt to take the device_lock for any device to be
reset. This is a problem if that lock is already held, for instance
in the device remove path. It's not sufficient to simply kill the
user
On Mon, Dec 16, 2013 at 3:16 PM, Alex Williamson
alex.william...@redhat.com wrote:
PCI resets will attempt to take the device_lock for any device to be
reset. This is a problem if that lock is already held, for instance
in the device remove path. It's not sufficient to simply kill the
user
On Mon, Aug 19, 2013 at 12:41 PM, Alex Williamson
alex.william...@redhat.com wrote:
On Wed, 2013-08-14 at 17:06 -0600, Alex Williamson wrote:
On Wed, 2013-08-14 at 16:42 -0600, Bjorn Helgaas wrote:
On Wed, Aug 14, 2013 at 2:10 PM, Alex Williamson
alex.william...@redhat.com wrote:
+static
[+cc Al, linux-fsdevel for fdget/fdput usage]
On Wed, Aug 14, 2013 at 2:10 PM, Alex Williamson
alex.william...@redhat.com wrote:
The current VFIO_DEVICE_RESET interface only maps to PCI use cases
where we can isolate the reset to the individual PCI function. This
means the device must support
[+cc linux-pci]
On Fri, Aug 2, 2013 at 3:28 PM, Benjamin Herrenschmidt
b...@kernel.crashing.org wrote:
Right. Another use case is, I know of devices that need a fundamental
reset (PERST) after applying a FW update.
This is a tangent from the real discussion here, but the question of
resetting
On Tue, Jul 16, 2013 at 8:21 PM, Myron Stowe myron.st...@gmail.com wrote:
Linux Plumbers has approved an ACPI/PM, PCI microconference. The
overview page is here:
http://wiki.linuxplumbersconf.org/2013:pci_subsystem
We would like to start receiving volunteers for presenting topics of
On Wed, Jul 11, 2012 at 11:18 PM, Alex Williamson
alex.william...@redhat.com wrote:
We've confirmed that peer-to-peer between these devices is
not possible. We can therefore claim that they support a
subset of ACS.
Signed-off-by: Alex Williamson alex.william...@redhat.com
Cc: Joerg Roedel
[fix Joerg's email address]
On Tue, Jun 25, 2013 at 10:15 PM, Bjorn Helgaas bhelg...@google.com wrote:
On Wed, Jul 11, 2012 at 11:18 PM, Alex Williamson
alex.william...@redhat.com wrote:
We've confirmed that peer-to-peer between these devices is
not possible. We can therefore claim
On Wed, Jun 19, 2013 at 6:43 AM, Don Dutile ddut...@redhat.com wrote:
On 06/18/2013 10:52 PM, Bjorn Helgaas wrote:
On Tue, Jun 18, 2013 at 5:03 PM, Don Dutileddut...@redhat.com wrote:
On 06/18/2013 06:22 PM, Alex Williamson wrote:
On Tue, 2013-06-18 at 15:31 -0600, Bjorn Helgaas wrote
On Thu, May 30, 2013 at 12:40:19PM -0600, Alex Williamson wrote:
PCIe ACS (Access Control Services) is the PCIe 2.0+ feature that
allows us to control whether transactions are allowed to be redirected
in various subnodes of a PCIe topology. For instance, if two
endpoints are below a root port
On Tue, Jun 18, 2013 at 12:20 PM, Alex Williamson
alex.william...@redhat.com wrote:
On Tue, 2013-06-18 at 11:28 -0600, Bjorn Helgaas wrote:
On Thu, May 30, 2013 at 12:40:19PM -0600, Alex Williamson wrote:
PCIe ACS (Access Control Services) is the PCIe 2.0+ feature that
allows us to control
On Tue, Jun 18, 2013 at 5:03 PM, Don Dutile ddut...@redhat.com wrote:
On 06/18/2013 06:22 PM, Alex Williamson wrote:
On Tue, 2013-06-18 at 15:31 -0600, Bjorn Helgaas wrote:
On Tue, Jun 18, 2013 at 12:20 PM, Alex Williamson
alex.william...@redhat.com wrote:
On Tue, 2013-06-18 at 11:28
On Mon, Nov 26, 2012 at 11:46 PM, Gleb Natapov g...@redhat.com wrote:
On Mon, Nov 26, 2012 at 09:46:12PM -0200, Marcelo Tosatti wrote:
On Tue, Nov 20, 2012 at 02:09:46PM +, Pandarathil, Vijaymohan R wrote:
-Original Message-
From: Stefan Hajnoczi [mailto:stefa...@gmail.com]
[+ linux-pci, Yinghai]
On Thu, Nov 8, 2012 at 8:59 PM, Jason Gao pkill.2...@gmail.com wrote:
The BIOS in your machine doesn't support SR-IOV. You'll need to ask the
manufacturer for a BIOS upgrade, if in fact one is available. Sometimes
they're not.
very thanks Greg,my server Dell R710
.
Do the same change for the pci_get_class() as suggested by Bjorn Helgaas
[bhelgaas: changelog, clear pci_device_id on stack with memset()]
Bisected-by: Fengguang Wu fengguang...@intel.com
Signed-off-by: Feng Tang feng.t...@intel.com
Signed-off-by: Bjorn Helgaas bhelg
On Wed, Aug 22, 2012 at 12:49 AM, Feng Tang feng.t...@intel.com wrote:
Hi Fengguang,
On Wed, 22 Aug 2012 10:50:08 +0800
Fengguang Wu fengguang...@intel.com wrote:
Feng,
I think it's pci_get_subsys() triggered this assert:
/*
* Oi! Can't be having __GFP_FS
On Thu, Jun 7, 2012 at 2:30 AM, Jan Kiszka jan.kis...@web.de wrote:
From: Jan Kiszka jan.kis...@siemens.com
According to
http://thread.gmane.org/gmane.comp.emulators.kvm.devel/91388
the T310 does not properly support INTx masking as it fails to keep the
PCI_STATUS_INTERRUPT bit updated
On Thu, Jun 7, 2012 at 11:01 AM, Alex Williamson
alex.william...@redhat.com wrote:
Passes pci_intx_mask_supported test but continues to send interrupts
as discovered through VFIO-based device assignment.
http://www.spinics.net/lists/kvm/msg73738.html
Signed-off-by: Alex Williamson
On Fri, Jun 8, 2012 at 2:01 AM, Xudong Hao xudong@intel.com wrote:
LTR: Save Max snoop/no-snoop Latency Value in pci_save_pcie_state, and restore
them in pci_restore_pcie_state.
Signed-off-by: Xudong Hao xudong@intel.com
---
drivers/pci/pci.c | 71
On Fri, Jun 8, 2012 at 1:01 AM, Xudong Hao xudong@intel.com wrote:
The series of patches enable LTR and OBFF before device is used by driver, and
introduce a couple of functions to save/restore LTR latency value.
Patch 1/4 introduce new function pci_obff_supported() as pci_ltr_support().
On Tue, May 8, 2012 at 3:09 AM, Hao, Xudong xudong@intel.com wrote:
-Original Message-
From: Bjorn Helgaas [mailto:bhelg...@google.com]
}
This doesn't make any sense to me. pos is the offset of the PCI
Express Capability (identifier 10h). LTR is a separate extended
On Sun, May 13, 2012 at 8:48 PM, Xudong Hao xudong@linux.intel.com wrote:
Enable LTR(Latency tolerance reporting) and OBFF(optimized buffer flush/fill)
in
pci_enable_device(), so that they are enabled before the device is used by
driver.
Please split this into two patches (one for LTR
On Mon, May 14, 2012 at 4:49 PM, Alex Williamson
alex.william...@redhat.com wrote:
On Mon, 2012-05-14 at 16:02 -0600, Bjorn Helgaas wrote:
On Fri, May 11, 2012 at 4:56 PM, Alex Williamson
alex.william...@redhat.com wrote:
In a PCIe environment, transactions aren't always required to
reach
I tried to work through some examples to develop some intuition about this:
Sorry, gmail inserted line breaks that ruined this picture. Here's a
URL for it:
http://www.asciiflow.com/#3736558963405980039
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the body of a message to
remove the externs when you move these
declarations? I know the file's currently a random mix, but we might
as well make a tiny improvement.
Looks fine to me otherwise, and if you don't have any other reason to
update this series, don't worry about it.
Acked-by: Bjorn Helgaas bhelg...@google.com
On Fri, May 11, 2012 at 4:56 PM, Alex Williamson
alex.william...@redhat.com wrote:
In a PCIe environment, transactions aren't always required to
reach the root bus before being re-routed. Peer-to-peer DMA
may actually not be seen by the IOMMU in these cases. For
IOMMU groups, we want to
On Sun, May 6, 2012 at 8:11 AM, Xudong Hao xudong@linux.intel.com wrote:
LTR: Save Max snoop/no-snoop Latency Value in pci_save_pcie_state, and
restore them in pci_restore_pcie_state.
Signed-off-by: Xudong Hao xudong@intel.com
---
drivers/pci/pci.c | 12
1 files
On Wed, Apr 4, 2012 at 9:30 AM, Tadeusz Struk tadeusz.st...@intel.com wrote:
Hi Bjorn,
Did you have chance to look at this one?
Yep. It needs a changelog. Fixed warning is inadequate. It needs
an explanation of what the VF connection is. It would also be nice if
you fixed the function
On Mon, Mar 5, 2012 at 3:00 AM, Tadeusz Struk tadeusz.st...@intel.com wrote:
---
drivers/pci/pci.h | 1 +
drivers/pci/quirks.c | 33 +++--
include/linux/pci.h | 1 +
3 files changed, 29 insertions(+), 6 deletions(-)
diff --git a/drivers/pci/pci.h
Thanks!
You didn't fix the subject line :) It should contain PCI: . Thanks
for including the v2 inside [PATCH]. That helps keep things
straight.
On Fri, Mar 2, 2012 at 4:55 AM, tadeusz.st...@intel.com wrote:
Hi,
Reworked according to comments.
All the text here becomes part of the
On Fri, Mar 2, 2012 at 10:06 AM, Tadeusz Struk tadeusz.st...@intel.com wrote:
On 02/03/12 16:29, Bjorn Helgaas wrote:
Where do you plan to add calls to pci_dev_specific_reset_add()? In
drivers?
Yes, I'm working on a driver for a device with SRIOV capability.
I'll call it from there.
Did
On Thu, Mar 1, 2012 at 10:18 AM, tadeusz.st...@intel.com wrote:
From b4cf24d5987475862de799c78773f13f25ed2af8 Mon Sep 17 00:00:00 2001
From: Tadeusz Struk tadeusz.st...@intel.com
Date: Tue, 17 Jan 2012 16:45:46 +
Subject: [PATCH] Added functionality that allows dynamically add and remove
On Tue, Sep 13, 2011 at 10:55 PM, Amos Kong ak...@redhat.com wrote:
'slot-funcs' is initialized in acpiphp_glue.c:register_slot() before
hotpluging device, and only one entry(func 0) is added to it,
no new entry will be added to the list when hotpluging devices to the slot.
When we release the
On Wednesday 22 October 2008 02:40:41 am Yu Zhao wrote:
This patch moves all definitions of the PCI resource names to an 'enum',
and also replaces some hard-coded resource variables with symbol
names. This change eases introduction of device specific resources.
Thanks for removing a bunch of
On Wednesday 22 October 2008 02:45:31 am Yu Zhao wrote:
Document the new PCI[x86] boot parameters.
Cc: Alex Chiang [EMAIL PROTECTED]
Cc: Grant Grundler [EMAIL PROTECTED]
Cc: Greg KH [EMAIL PROTECTED]
Cc: Ingo Molnar [EMAIL PROTECTED]
Cc: Jesse Barnes [EMAIL PROTECTED]
Cc: Matthew Wilcox
On Wednesday 22 October 2008 02:43:24 am Yu Zhao wrote:
This patch adds boot option to align MMIO resource for a device.
The alignment is a bigger value between the PAGE_SIZE and the
resource size.
It looks like this forces alignment on PAGE_SIZE, not a bigger
value between the PAGE_SIZE and
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