tree
for a guest OS properly. Although this driver has been
tested only on POWERNV, it should work on any platform
supporting TCE tables.
To enable VFIO on POWER, enable SPAPR_TCE_IOMMU config
option.
Cc: David Gibson da...@gibson.dropbear.id.au
Signed-off-by: Alexey Kardashevskiy a...@ozlabs.ru
On 22/11/12 22:56, Sethi Varun-B16395 wrote:
-Original Message-
From: linux-kernel-ow...@vger.kernel.org [mailto:linux-kernel-
ow...@vger.kernel.org] On Behalf Of Alex Williamson
Sent: Tuesday, November 20, 2012 11:50 PM
To: Alexey Kardashevskiy
Cc: Benjamin Herrenschmidt; Paul
mapping/unmapping pages for the guest IO and
provides information about DMA window (required by a POWERPC
guest).
The counterpart in QEMU is required to support this functionality.
Cc: David Gibson da...@gibson.dropbear.id.au
Signed-off-by: Alexey Kardashevskiy a...@ozlabs.ru
---
drivers/vfio
The series includes IOMMU implementation and necessary IOMMU groups
initialization.
Alexey Kardashevskiy (2):
vfio powerpc: implemented IOMMU driver for VFIO
vfio powerpc: enabled on powernv platform
arch/powerpc/include/asm/iommu.h |6 +
arch/powerpc/kernel/iommu.c | 141
SPAPR_TCE_IOMMU config
option and configure VFIO as required.
Cc: David Gibson da...@gibson.dropbear.id.au
Signed-off-by: Alexey Kardashevskiy a...@ozlabs.ru
---
arch/powerpc/include/asm/iommu.h |6 ++
arch/powerpc/kernel/iommu.c | 141 ++
arch/powerpc
On 27/11/12 05:04, Alex Williamson wrote:
On Mon, 2012-11-26 at 08:18 -0700, Alex Williamson wrote:
On Fri, 2012-11-23 at 13:02 +1100, Alexey Kardashevskiy wrote:
On 22/11/12 22:56, Sethi Varun-B16395 wrote:
-Original Message-
From: linux-kernel-ow...@vger.kernel.org [mailto:linux
On 27/11/12 05:20, Alex Williamson wrote:
On Fri, 2012-11-23 at 20:03 +1100, Alexey Kardashevskiy wrote:
VFIO implements platform independent stuff such as
a PCI driver, BAR access (via read/write on a file descriptor
or direct mapping when possible) and IRQ signaling.
The platform dependent
On 27/11/12 15:29, Alex Williamson wrote:
On Tue, 2012-11-27 at 15:06 +1100, Alexey Kardashevskiy wrote:
On 27/11/12 05:20, Alex Williamson wrote:
On Fri, 2012-11-23 at 20:03 +1100, Alexey Kardashevskiy wrote:
VFIO implements platform independent stuff such as
a PCI driver, BAR access (via
mapping/unmapping pages for the guest IO and
provides information about DMA window (required by a POWERPC
guest).
The counterpart in QEMU is required to support this functionality.
Cc: David Gibson da...@gibson.dropbear.id.au
Signed-off-by: Alexey Kardashevskiy a...@ozlabs.ru
---
drivers/vfio
On 29/11/12 08:01, Alex Williamson wrote:
On Wed, 2012-11-28 at 18:21 +1100, Alexey Kardashevskiy wrote:
VFIO implements platform independent stuff such as
a PCI driver, BAR access (via read/write on a file descriptor
or direct mapping when possible) and IRQ signaling.
The platform dependent
SPAPR_TCE_IOMMU config
option and configure VFIO as required.
Cc: David Gibson da...@gibson.dropbear.id.au
Signed-off-by: Alexey Kardashevskiy a...@ozlabs.ru
---
arch/powerpc/include/asm/iommu.h |9 ++
arch/powerpc/kernel/iommu.c | 186 ++
arch/powerpc
) but have not decided
about its actual design yet.
Alexey Kardashevskiy (2):
vfio powerpc: enabled on powernv platform
vfio powerpc: implemented IOMMU driver for VFIO
arch/powerpc/include/asm/iommu.h |9 +
arch/powerpc/kernel/iommu.c | 186 ++
arch/powerpc
mapping/unmapping pages for the guest IO and
provides information about DMA window (required by a POWERPC
guest).
The counterpart in QEMU is required to support this functionality.
Cc: David Gibson da...@gibson.dropbear.id.au
Signed-off-by: Alexey Kardashevskiy a...@ozlabs.ru
---
drivers/vfio
On 04/12/12 04:35, Alex Williamson wrote:
On Mon, 2012-12-03 at 13:52 +1100, Alexey Kardashevskiy wrote:
This patch initializes IOMMU groups based on the IOMMU
configuration discovered during the PCI scan on POWERNV
(POWER non virtualized) platform. The IOMMU groups are
to be used later by VFIO
mapping/unmapping pages for the guest IO and
provides information about DMA window (required by a POWERPC
guest).
The counterpart in QEMU is required to support this functionality.
Cc: David Gibson da...@gibson.dropbear.id.au
Signed-off-by: Alexey Kardashevskiy a...@ozlabs.ru
---
drivers/vfio
SPAPR_TCE_IOMMU config
option and configure VFIO as required.
Cc: David Gibson da...@gibson.dropbear.id.au
Signed-off-by: Alexey Kardashevskiy a...@ozlabs.ru
---
arch/powerpc/include/asm/iommu.h | 10 ++
arch/powerpc/kernel/iommu.c | 214 ++
arch/powerpc
SPAPR_TCE_IOMMU config
option and configure VFIO as required.
Cc: David Gibson da...@gibson.dropbear.id.au
Signed-off-by: Alexey Kardashevskiy a...@ozlabs.ru
---
arch/powerpc/include/asm/iommu.h | 10 ++
arch/powerpc/kernel/iommu.c | 329 ++
arch/powerpc
mapping/unmapping pages for the guest IO and
provides information about DMA window (required by a POWERPC
guest).
The counterpart in QEMU is required to support this functionality.
Cc: David Gibson da...@gibson.dropbear.id.au
Signed-off-by: Alexey Kardashevskiy a...@ozlabs.ru
---
drivers/vfio
On 13/12/12 10:30, Alex Williamson wrote:
On Wed, 2012-12-12 at 23:34 +1100, Alexey Kardashevskiy wrote:
This patch initializes IOMMU groups based on the IOMMU
configuration discovered during the PCI scan on POWERNV
(POWER non virtualized) platform. The IOMMU groups are
to be used later by VFIO
On 13/12/12 13:29, Benjamin Herrenschmidt wrote:
On Wed, 2012-12-12 at 07:34 -0700, Alex Williamson wrote:
But what would I put there?... IOMMU ID is more than enough at the moment
and struct iommu_table does not have anything what would have made sense to
show in the sysfs...
I believe David
won't report it as compatible.
Reported-by: Alexey Kardashevskiy a...@ozlabs.ru
Signed-off-by: Jan Kiszka jan.kis...@web.de
---
Alexey, please test if this catches your case correctly.
Alexey? Ping for testing.
Sorry, was in vacation and then a bit busy.
Yes, that works, thanks. It just
:
0x34: 0xD0
0xC8: 0x01 0xD0
0xD0: 0x05 0xC8
0xE0: 0x10 0x00
As result capabilities at 0xC8 and 0xD0 point to each other.
Signed-off-by: Alexey Kardashevskiy a...@ozlabs.ru
---
hw/pci.c | 25 -
1 files changed, 20 insertions(+), 5 deletions(-)
diff --git a/hw/pci.c b/hw
08.06.2012 20:56, Jan Kiszka написал:
On 2012-06-08 10:47, Alexey Kardashevskiy wrote:
Yet another try :)
Normally the pci_add_capability is called on devices to add new
capability. This is ok for emulated devices which capabilities list
is being built by QEMU.
In the case of VFIO
08.06.2012 21:30, Jan Kiszka пишет:
On 2012-06-08 13:16, Alexey Kardashevskiy wrote:
08.06.2012 20:56, Jan Kiszka написал:
On 2012-06-08 10:47, Alexey Kardashevskiy wrote:
Yet another try :)
Normally the pci_add_capability is called on devices to add new
capability. This is ok for emulated
Ping?
On 12/05/12 16:48, Alexey Kardashevskiy wrote:
Added msi_set_address_data and msix_set_address_data in order to support
sPAPR-specific implementation of MSI/MSIX configuration mechanism.
POWER guest does not initialize these fields, it expects a supervisor to
get them initialized
On 13/06/12 13:22, Benjamin Herrenschmidt wrote:
On Wed, 2012-06-13 at 12:44 +1000, Alexey Kardashevskiy wrote:
Ping?
FYI. The way it normally works on pseries is that RTAS, which is the
part of the firmware that lives inside the partition alongside the OS,
performs the accesses
On 07/06/12 09:17, Alex Williamson wrote:
On Fri, 2012-05-25 at 17:35 +1000, Alexey Kardashevskiy wrote:
Some adapters (like NEC PCI USB controller) do not flush their config
on a sioftware reset and remember DMA config, etc.
If we use such an adapter with QEMU, then crash QEMU (stop
On 27/06/12 22:37, Dan Carpenter wrote:
On Mon, Jun 25, 2012 at 10:55:52PM -0600, Alex Williamson wrote:
Hi,
VFIO has been kicking around for well over a year now and has been
posted numerous times for review. The pre-requirements are finally
available in linux-next (or will be in the
On 28/07/12 05:22, Blue Swirl wrote:
On Wed, Jul 25, 2012 at 5:03 PM, Alex Williamson
+
+static void vfio_enable_intx_kvm(VFIODevice *vdev)
+{
+#ifdef CONFIG_KVM
These shouldn't be needed. The device will not be useful without KVM,
so the file shouldn't be compiled for non-KVM case at all.
:
Signed-off-by: David Gibson da...@gibson.dropbear.id.au
For the bits derived from my code:
Signed-off-by: Alexey Kardashevskiy a...@ozlabs.ru
--
Alexey
--
To unsubscribe from this list: send the line unsubscribe kvm in
the body of a message to majord...@vger.kernel.org
More majordomo info
.
Signed-off-by: Matt Evans m...@ozlabs.org
For the bits derived from my qemu code:
Signed-off-by: David Gibson da...@gibson.dropbear.id.au
For the bits derived from my qemu code:
Signed-off-by: Alexey Kardashevskiy a...@ozlabs.ru
--
Alexey
--
To unsubscribe from this list: send the line
it.
Appreciate any feedback or suggestions. Thanks,
Alex
--
Alexey Kardashevskiy
IBM OzLabs, LTC Team
e-mail: a...@au1.ibm.com
notes: Alexey Kardashevskiy/Australia/IBM
--
To unsubscribe from this list: send the line unsubscribe kvm in
the body of a message to majord...@vger.kernel.org
More majordomo
)
qemu_free(vdev-msi_vectors);
vdev-nr_vectors = 0;
return;
+} else if (0 ret) {
+vdev-nr_vectors = ret;
}
vdev-interrupt = msix ? INT_MSIX : INT_MSI;
=== end ===
On 29/11/11 12:52, Alexey Kardashevskiy wrote:
Hi!
I tried (successfully) to run
);
=== end ===
On 29/11/11 13:01, Alexey Kardashevskiy wrote:
Hi all,
Another problem I hit on POWER - MSI interrupts allocation. The existing VFIO
does not expect a PBH
to support less interrupts that a device might request. In my case, PHB's
limit is 8 interrupts
while my test card
Hi!
On 29/11/11 14:46, Alex Williamson wrote:
On Tue, 2011-11-29 at 12:52 +1100, Alexey Kardashevskiy wrote:
Hi!
I tried (successfully) to run it on POWER and while doing that I found some
issues. I'll try to
explain them in separate mails.
Great!
IOMMU domain setup. On POWER
On 29/11/11 16:48, Alex Williamson wrote:
On Tue, 2011-11-29 at 15:34 +1100, Alexey Kardashevskiy wrote:
Hi!
On 29/11/11 14:46, Alex Williamson wrote:
On Tue, 2011-11-29 at 12:52 +1100, Alexey Kardashevskiy wrote:
Hi!
I tried (successfully) to run it on POWER and while doing that I found
.
The proposed patch does not change capability pointers when
the same type capability is about to add.
Signed-off-by: Alexey Kardashevskiy a...@ozlabs.ru
---
hw/pci.c | 10 ++
1 files changed, 6 insertions(+), 4 deletions(-)
diff --git a/hw/pci.c b/hw/pci.c
index aa0c0b8..1f7c924 100644
.
The proposed patch does not change capability pointers when
the same type capability is about to add.
Signed-off-by: Alexey Kardashevskiy a...@ozlabs.ru
---
hw/pci.c | 10 ++
1 files changed, 6 insertions(+), 4 deletions(-)
diff --git a/hw/pci.c b/hw/pci.c
index aa0c0b8..1f7c924 100644
11.05.2012 20:52, Alexander Graf написал:
On 11.05.2012, at 08:45, Alexey Kardashevskiy wrote:
Normally the pci_add_capability is called on devices to add new
capability. This is ok for emulated devices which capabilities list
is being built by QEMU.
In the case of VFIO the capability
12.05.2012 5:20, Jason Baron написал:
On Fri, May 11, 2012 at 04:45:21PM +1000, Alexey Kardashevskiy wrote:
Normally the pci_add_capability is called on devices to add new
capability. This is ok for emulated devices which capabilities list
is being built by QEMU.
In the case of VFIO
Added msi_set_address_data and msix_set_address_data in order to support
sPAPR-specific implementation of MSI/MSIX configuration mechanism.
POWER guest does not initialize these fields, it expects a supervisor to
get them initialized.
Required for VFIO on POWER.
Signed-off-by: Alexey
.
Signed-off-by: Alexey Kardashevskiy a...@ozlabs.ru
---
drivers/vfio/pci/vfio_pci.c |9 +++--
1 files changed, 3 insertions(+), 6 deletions(-)
diff --git a/drivers/vfio/pci/vfio_pci.c b/drivers/vfio/pci/vfio_pci.c
index b2f1f3a..6d4a783 100644
--- a/drivers/vfio/pci/vfio_pci.c
+++ b/drivers/vfio
initialize in its own way.
Signed-off-by: Alexey Kardashevskiy a...@ozlabs.ru
---
hw/pci.c | 18 ++
hw/pci.h |1 +
hw/pci_internals.h |2 ++
3 files changed, 21 insertions(+), 0 deletions(-)
diff --git a/hw/pci.c b/hw/pci.c
index 1f7c924..8c2e193 100644
window starting
from 0x0).
As for me, it is too complicated. We do not need either
- platform specific IOMMU chardev or
- IOMMU API at all
What do I miss?
Signed-off-by: Alexey Kardashevskiy a...@ozlabs.ru
---
arch/powerpc/include/asm/iommu.h |3 +
arch/powerpc/kernel/iommu.c | 302
The idea of the patch is to demonstrate what POWER needs to support VFIO.
It will not compile as many other patches are needed and they are not
posted anywhere yet.
The patch includes:
1) sPAPR PCI bus got an additional flag is_vfio which defines IOMMU
behavior
2) Added POWER-specific IOMMU
On 14/05/12 12:55, Alex Williamson wrote:
On Sat, 2012-05-12 at 16:50 +1000, Alexey Kardashevskiy wrote:
The original code calculated the real size of the ROM and passed it to
QEMU which tried to do pci_register_bar and failed with error message
ERROR: PCI region size must be pow2
On 12/05/12 00:13, Alexander Graf wrote:
On 11.05.2012, at 14:47, Alexey Kardashevskiy wrote:
11.05.2012 20:52, Alexander Graf написал:
On 11.05.2012, at 08:45, Alexey Kardashevskiy wrote:
Normally the pci_add_capability is called on devices to add new
capability. This is ok
On 14/05/12 11:58, David Gibson wrote:
On Sat, May 12, 2012 at 05:29:53PM +1000, Alexey Kardashevskiy wrote:
There is a need for a mechanism to obtain an IRQ line number to
initialize End-Of-Interrupt handler.
There is another proposed solution (commit
On 17/05/12 06:39, Alex Williamson wrote:
On Mon, 2012-05-14 at 14:21 +1000, Alexey Kardashevskiy wrote:
On 14/05/12 11:58, David Gibson wrote:
On Sat, May 12, 2012 at 05:29:53PM +1000, Alexey Kardashevskiy wrote:
There is a need for a mechanism to obtain an IRQ line number to
initialize End
On 17/05/12 13:00, Benjamin Herrenschmidt wrote:
On Thu, 2012-05-17 at 12:16 +1000, Alexey Kardashevskiy wrote:
It actually can change dynamically on x86 due to acpi interrupt links
which allow the guest a generic way to select from a set of possible
interrupt routing schemes. And of course
;
+}
+
if (!offset) {
offset = pci_find_space(pdev, size);
if (!offset) {
return -ENOSPC;
On 14/05/12 13:49, Alexey Kardashevskiy wrote:
On 12/05/12 00:13, Alexander Graf wrote:
On 11.05.2012, at 14:47, Alexey Kardashevskiy wrote:
11.05.2012 20:52
On 22/05/12 13:21, Alexander Graf wrote:
On 22.05.2012, at 04:02, Benjamin Herrenschmidt b...@kernel.crashing.org
wrote:
On Fri, 2012-05-18 at 15:12 +1000, Alexey Kardashevskiy wrote:
Alexander,
Is that any better? :)
Alex (Graf that is), ping ?
The original patch from Alexey
On 22/05/12 15:52, Alexander Graf wrote:
On 22.05.2012, at 05:44, Alexey Kardashevskiy a...@ozlabs.ru wrote:
On 22/05/12 13:21, Alexander Graf wrote:
On 22.05.2012, at 04:02, Benjamin Herrenschmidt b...@kernel.crashing.org
wrote:
On Fri, 2012-05-18 at 15:12 +1000, Alexey
On 22/05/12 16:31, Alexander Graf wrote:
On 22.05.2012, at 08:11, Alexey Kardashevskiy a...@ozlabs.ru wrote:
On 22/05/12 15:52, Alexander Graf wrote:
On 22.05.2012, at 05:44, Alexey Kardashevskiy a...@ozlabs.ru wrote:
On 22/05/12 13:21, Alexander Graf wrote:
On 22.05.2012, at 04:02
for it?
The patch is made on top of
git://github.com/awilliam/linux-vfio.git iommu-group-vfio-20120523
(which is iommu-group-vfio-20120521 + some fixes)
Signed-off-by: Alexey Kardashevskiy a...@ozlabs.ru
---
arch/powerpc/Kconfig |6 +
arch/powerpc/include/asm/iommu.h |3 +
arch/powerpc
to set Status bit if it supports INTx masking?
2 Alex: if it is mandatory, then we need to be able to disable pci_2_3 in
VFIO-PCI
somehow.
Signed-off-by: Alexey Kardashevskiy a...@ozlabs.ru
---
drivers/pci/pci.c |4 ++--
1 files changed, 2 insertions(+), 2 deletions(-)
diff --git a/drivers
On 25/05/12 00:41, Alex Williamson wrote:
[Found while debugging VFIO on POWER but it is platform independent]
There is a feature in PCI (=2.3?) to mask/unmask INTx via PCI_COMMAND and
PCI_STATUS registers.
Yes, 2.3 introduced this. Masking is done via command register, checking
if the
On 24/05/12 22:02, Jan Kiszka wrote:
On 2012-05-24 04:44, Alexey Kardashevskiy wrote:
[Found while debugging VFIO on POWER but it is platform independent]
There is a feature in PCI (=2.3?) to mask/unmask INTx via PCI_COMMAND and
PCI_STATUS registers.
Yes, 2.3 introduced this. Masking
On 25/05/12 01:12, Alex Williamson wrote:
On Thu, 2012-05-24 at 13:10 +1000, Alexey Kardashevskiy wrote:
The patch introduces support of VFIO on POWER.
The patch consists of:
1. IOMMU driver for VFIO.
It does not use IOMMU API at all, instead it calls POWER
IOMMU API directly (ppc_md
On 25/05/12 12:29, Jan Kiszka wrote:
On 2012-05-24 22:18, Alexey Kardashevskiy wrote:
On 24/05/12 22:02, Jan Kiszka wrote:
On 2012-05-24 04:44, Alexey Kardashevskiy wrote:
[Found while debugging VFIO on POWER but it is platform independent]
There is a feature in PCI (=2.3?) to mask/unmask
pci_enable_device() is called
on that PCI function.
To eliminate such effect, some quirk should be called. The proposed
pci_fixup_final does its job well for mentioned NEC PCI USB but not
sure if it is 100% correct.
Signed-off-by: Alexey Kardashevskiy a...@ozlabs.ru
---
drivers/vfio/pci/vfio_pci.c
25.05.2012 20:43, Jan Kiszka написал:
On 2012-05-24 23:47, Alexey Kardashevskiy wrote:
On 25/05/12 12:29, Jan Kiszka wrote:
On 2012-05-24 22:18, Alexey Kardashevskiy wrote:
On 24/05/12 22:02, Jan Kiszka wrote:
On 2012-05-24 04:44, Alexey Kardashevskiy wrote:
[Found while debugging VFIO
The series introduces a VFIO support on POWER.
The QEMU support is required, the real mode acceleration patches are coming
later.
Alexey Kardashevskiy (2):
vfio powerpc: enabled on powernv platform
vfio powerpc: implemented IOMMU driver for VFIO
arch/powerpc/include/asm/iommu.h
VFIO on POWER, enable SPAPR_TCE_IOMMU config
option and configure VFIO as required.
Cc: David Gibson da...@gibson.dropbear.id.au
Signed-off-by: Alexey Kardashevskiy a...@ozlabs.ru
---
arch/powerpc/include/asm/iommu.h| 15 ++
arch/powerpc/kernel/iommu.c | 343
mapping/unmapping pages for the guest IO and
provides information about DMA window (required by a POWERPC
guest).
The counterpart in QEMU is required to support this functionality.
Cc: David Gibson da...@gibson.dropbear.id.au
Signed-off-by: Alexey Kardashevskiy a...@ozlabs.ru
---
drivers/vfio
On 12/02/13 09:16, Alex Williamson wrote:
On Mon, 2013-02-11 at 22:54 +1100, Alexey Kardashevskiy wrote:
This patch initializes IOMMU groups based on the IOMMU
configuration discovered during the PCI scan on POWERNV
(POWER non virtualized) platform. The IOMMU groups are
to be used later by VFIO
On 12/02/13 09:17, Alex Williamson wrote:
On Mon, 2013-02-11 at 22:54 +1100, Alexey Kardashevskiy wrote:
VFIO implements platform independent stuff such as
a PCI driver, BAR access (via read/write on a file descriptor
or direct mapping when possible) and IRQ signaling.
The platform dependent
On 15/02/13 14:24, Paul Mackerras wrote:
On Mon, Feb 11, 2013 at 11:12:41PM +1100, a...@ozlabs.ru wrote:
+static long emulated_h_put_tce(struct kvmppc_spapr_tce_table *stt,
+ unsigned long ioba, unsigned long tce)
+{
+ unsigned long idx = ioba SPAPR_TCE_SHIFT;
+
* various locks fixed
Cc: David Gibson da...@gibson.dropbear.id.au
Signed-off-by: Alexey Kardashevskiy a...@ozlabs.ru
---
Documentation/vfio.txt | 63 ++
drivers/vfio/Kconfig|6 +
drivers/vfio/Makefile |1 +
drivers/vfio/vfio.c
On 21/03/13 07:45, Alex Williamson wrote:
On Tue, 2013-03-19 at 18:08 +1100, Alexey Kardashevskiy wrote:
VFIO implements platform independent stuff such as
a PCI driver, BAR access (via read/write on a file descriptor
or direct mapping when possible) and IRQ signaling.
The platform dependent
.
Although the series compiles, it does not make sense without VFIO patches which
are posted separately.
The iommu: Add a function to find an iommu group by id patch has already
gone to linux-next (from iommu tree) but it is not in upstream yet so
I am including it here for the reference.
Alexey
physical
address. This makes lookup_linux_pte() public so that code can call
it.
Signed-off-by: Alexey Kardashevskiy a...@ozlabs.ru
Cc: David Gibson da...@gibson.dropbear.id.au
Signed-off-by: Paul Mackerras pau...@samba.org
---
arch/powerpc/include/asm/kvm_ppc.h |3 +++
arch/powerpc/kvm
the sparsemem vmemmap mappings aren't accessible.
This adds an API to increment/decrement page counter as
get_user_pages API used for user mode mapping does not work
in the real mode.
CONFIG_SPARSEMEM_VMEMMAP and CONFIG_FLATMEM are supported.
Signed-off-by: Alexey Kardashevskiy a...@ozlabs.ru
in order
to support in-kernel handling of DMA map/unmap requests.
This adds the iommu_group_get_by_id(id) function which performs
this search.
Signed-off-by: Alexey Kardashevskiy a...@ozlabs.ru
Signed-off-by: Paul Mackerras pau...@samba.org
---
drivers/iommu/iommu.c | 29
-off-by: Alexey Kardashevskiy a...@ozlabs.ru
Signed-off-by: Paul Mackerras pau...@samba.org
---
Documentation/virtual/kvm/api.txt | 28
arch/powerpc/include/asm/kvm_host.h |2 +
arch/powerpc/include/asm/kvm_ppc.h |2 +
arch/powerpc/include/uapi/asm/kvm.h |7 +
arch/powerpc/kvm
needs to query for this capability and set the hcall-multi-tce
hypertas property only if the capability is present, otherwise
there will be serious performance degradation.
Cc: David Gibson da...@gibson.dropbear.id.au
Signed-off-by: Alexey Kardashevskiy a...@ozlabs.ru
Signed-off-by: Paul Mackerras
and we may want
to optimize this.
Cc: David Gibson da...@gibson.dropbear.id.au
Signed-off-by: Alexey Kardashevskiy a...@ozlabs.ru
Signed-off-by: Paul Mackerras pau...@samba.org
---
arch/powerpc/include/asm/kvm_host.h |2 +
arch/powerpc/include/asm/kvm_ppc.h | 24 +++
arch/powerpc/kvm
On 05/07/2013 07:07 AM, Alex Williamson wrote:
On Mon, 2013-05-06 at 17:21 +1000, a...@ozlabs.ru wrote:
From: Alexey Kardashevskiy a...@ozlabs.ru
The IOMMU API implements groups creating/deletion, device binding
and IOMMU map/unmap operations.
The PowerPC implementation uses most of the API
On 05/07/2013 11:42 AM, Alex Williamson wrote:
On Tue, 2013-05-07 at 10:49 +1000, Alexey Kardashevskiy wrote:
On 05/07/2013 07:07 AM, Alex Williamson wrote:
On Mon, 2013-05-06 at 17:21 +1000, a...@ozlabs.ru wrote:
From: Alexey Kardashevskiy a...@ozlabs.ru
The IOMMU API implements groups
On 05/07/2013 03:29 PM, David Gibson wrote:
On Mon, May 06, 2013 at 05:25:56PM +1000, Alexey Kardashevskiy wrote:
This allows the host kernel to handle H_PUT_TCE, H_PUT_TCE_INDIRECT
and H_STUFF_TCE requests without passing them to QEMU, which should
save time on switching to QEMU and back
On 05/07/2013 04:02 PM, David Gibson wrote:
On Tue, May 07, 2013 at 03:51:31PM +1000, Alexey Kardashevskiy wrote:
On 05/07/2013 03:29 PM, David Gibson wrote:
On Mon, May 06, 2013 at 05:25:56PM +1000, Alexey Kardashevskiy wrote:
This allows the host kernel to handle H_PUT_TCE
On 05/10/2013 04:51 PM, David Gibson wrote:
On Mon, May 06, 2013 at 05:25:53PM +1000, Alexey Kardashevskiy wrote:
This adds real mode handlers for the H_PUT_TCE_INDIRECT and
H_STUFF_TCE hypercalls for QEMU emulated devices such as virtio
devices or emulated PCI. These calls allow adding
between
VFIO and the new handlers is to be made in QEMU
via ioctl to the KVM fd.
The series was made and tested against v3.10-rc1.
Alexey Kardashevskiy (4):
KVM: PPC: Add support for multiple-TCE hcalls
powerpc: Prepare to support kernel handling of IOMMU map/unmap
KVM: PPC: Add support
the functionality of this patch, QEMU
needs to query for this capability and set the hcall-multi-tce
hypertas property only if the capability is present, otherwise
there will be serious performance degradation.
Cc: David Gibson da...@gibson.dropbear.id.au
Signed-off-by: Alexey Kardashevskiy a...@ozlabs.ru
the sparsemem vmemmap mappings aren't accessible.
This adds an API to increment/decrement page counter as
get_user_pages API used for user mode mapping does not work
in the real mode.
CONFIG_SPARSEMEM_VMEMMAP and CONFIG_FLATMEM are supported.
Signed-off-by: Alexey Kardashevskiy a...@ozlabs.ru
that this patch increases transmission speed from 220MB/s
to 750..1020MB/s on 10Gb network (Chelsea CXGB3 10Gb ethernet card).
Cc: David Gibson da...@gibson.dropbear.id.au
Signed-off-by: Alexey Kardashevskiy a...@ozlabs.ru
Signed-off-by: Paul Mackerras pau...@samba.org
---
Changes:
2013-05-20:
* removed
and we may want
to optimize this.
Cc: David Gibson da...@gibson.dropbear.id.au
Signed-off-by: Alexey Kardashevskiy a...@ozlabs.ru
Signed-off-by: Paul Mackerras pau...@samba.org
---
Changes:
* the real mode handler now searches for a huge page by gpa (used to be pte)
* the virtual mode handler
/unmapping pages for the guest IO and
provides information about DMA window (required by a POWER
guest).
Cc: David Gibson da...@gibson.dropbear.id.au
Signed-off-by: Alexey Kardashevskiy a...@ozlabs.ru
Signed-off-by: Paul Mackerras pau...@samba.org
---
Documentation/vfio.txt | 63
contains some bugfixes which are mentioned (if any) in the patch
messages.
Alexey Kardashevskiy (3):
powerpc/vfio: Enable on POWERNV platform
powerpc/vfio: Implement IOMMU driver for VFIO
powerpc/vfio: Enable on pSeries platform
Documentation/vfio.txt | 63
network.
To enable VFIO on POWER, enable SPAPR_TCE_IOMMU config
option and configure VFIO as required.
Cc: David Gibson da...@gibson.dropbear.id.au
Signed-off-by: Alexey Kardashevskiy a...@ozlabs.ru
Signed-off-by: Paul Mackerras pau...@samba.org
---
Changes:
* the PCI devices are added to groups
The enables VFIO on the pSeries platform, enabling user space
programs to access PCI devices directly.
Signed-off-by: Alexey Kardashevskiy a...@ozlabs.ru
Cc: David Gibson da...@gibson.dropbear.id.au
Signed-off-by: Paul Mackerras pau...@samba.org
---
arch/powerpc/platforms/pseries/iommu.c |4
Oops, wrong subject (cut-n-paste) :)
There are 3 patches, not 5.
On 05/21/2013 01:33 PM, Alexey Kardashevskiy wrote:
The series adds support for VFIO on POWERPC in user space (such as QEMU).
The in-kernel real mode IOMMU support is added by another series posted
separately.
As the first
On 05/24/2013 12:56 AM, Alex Williamson wrote:
On Tue, 2013-05-21 at 13:33 +1000, Alexey Kardashevskiy wrote:
The series adds support for VFIO on POWERPC in user space (such as QEMU).
The in-kernel real mode IOMMU support is added by another series posted
separately.
As the first and main
On 05/25/2013 12:45 PM, David Gibson wrote:
On Wed, May 22, 2013 at 04:06:57PM -0500, Scott Wood wrote:
On 05/20/2013 10:06:46 PM, Alexey Kardashevskiy wrote:
diff --git a/arch/powerpc/kvm/powerpc.c b/arch/powerpc/kvm/powerpc.c
index 8465c2a..da6bf61 100644
--- a/arch/powerpc/kvm/powerpc.c
On 05/27/2013 08:23 PM, Paolo Bonzini wrote:
Il 25/05/2013 04:45, David Gibson ha scritto:
+ case KVM_CREATE_SPAPR_TCE_IOMMU: {
+ struct kvm_create_spapr_tce_iommu create_tce_iommu;
+ struct kvm *kvm = filp-private_data;
+
+ r = -EFAULT;
+ if
On 05/27/2013 08:08 PM, Paolo Bonzini wrote:
Il 21/05/2013 05:06, Alexey Kardashevskiy ha scritto:
This adds real mode handlers for the H_PUT_TCE_INDIRECT and
H_STUFF_TCE hypercalls for QEMU emulated devices such as virtio
devices or emulated PCI.
Do you mean vio? virtio (without getting
On 05/29/2013 03:45 AM, Scott Wood wrote:
On 05/26/2013 09:44:24 PM, Alexey Kardashevskiy wrote:
On 05/25/2013 12:45 PM, David Gibson wrote:
On Wed, May 22, 2013 at 04:06:57PM -0500, Scott Wood wrote:
On 05/20/2013 10:06:46 PM, Alexey Kardashevskiy wrote:
diff --git a/arch/powerpc/kvm
On 05/29/2013 09:35 AM, Scott Wood wrote:
On 05/28/2013 06:30:40 PM, Alexey Kardashevskiy wrote:
@@ -939,6 +940,9 @@ struct kvm_s390_ucas_mapping {
#define KVM_GET_DEVICE_ATTR _IOW(KVMIO, 0xe2, struct
kvm_device_attr)
#define KVM_HAS_DEVICE_ATTR _IOW(KVMIO, 0xe3, struct
On 05/29/2013 02:32 AM, Scott Wood wrote:
On 05/24/2013 09:45:24 PM, David Gibson wrote:
On Wed, May 22, 2013 at 04:06:57PM -0500, Scott Wood wrote:
On 05/20/2013 10:06:46 PM, Alexey Kardashevskiy wrote:
diff --git a/arch/powerpc/kvm/powerpc.c b/arch/powerpc/kvm/powerpc.c
index 8465c2a
On 05/30/2013 06:05 AM, Scott Wood wrote:
On 05/28/2013 07:12:32 PM, Alexey Kardashevskiy wrote:
On 05/29/2013 09:35 AM, Scott Wood wrote:
On 05/28/2013 06:30:40 PM, Alexey Kardashevskiy wrote:
@@ -939,6 +940,9 @@ struct kvm_s390_ucas_mapping {
#define KVM_GET_DEVICE_ATTR _IOW
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