> On May 11, 2022, at 10:25 PM, Cédric Le Goater wrote:
>
> Hello Iris,
>
> [ Fixing Thomas email ]
>
> On 5/12/22 02:54, Iris Chen via wrote:
>> The write_enable latch property is not currently exposed.
>> This commit makes it a modifiable property using get/set methods.
>> Signed-off-by: Ir
When starting the virt machine with `-machine virt,aia=aplic-imsic`,
both the imsic and aplic init code will add platform fdt nodes by
calling `platform_bus_add_all_fdt_nodes`. This leads to an error at
startup:
```
qemu_fdt_add_subnode: Failed to create subnode /platform@400: FDT_ERR_EXISTS
``
From: Philippe Mathieu-Daudé
Per
https://discourse.gnome.org/t/port-your-module-from-g-memdup-to-g-memdup2-now/5538
The old API took the size of the memory to duplicate as a guint,
whereas most memory functions take memory sizes as a gsize. This
made it easy to accidentally pass a gsize t
On Thu, May 12, 2022 at 5:48 PM Peter Maydell wrote:
>
> On Tue, 15 Mar 2022 at 06:14, Jason Wang wrote:
> >
> > From: Eugenio Pérez
> >
> > Initial version of shadow virtqueue that actually forward buffers. There
> > is no iommu support at the moment, and that will be addressed in future
> > pa
On Thu, May 12, 2022 at 11:17:50AM +0800,
Xiaoyao Li wrote:
> The TD HOB list is used to pass the information from VMM to TDVF. The TD
> HOB must include PHIT HOB and Resource Descriptor HOB. More details can
> be found in TDVF specification and PI specification.
>
> Build the TD HOB in TDX's ma
On Thu, May 12, 2022 at 11:57:10AM -0600, Alex Williamson wrote:
> > @@ -767,9 +767,10 @@ static void vfio_migration_state_notifier(Notifier
> > *notifier, void *data)
> > case MIGRATION_STATUS_CANCELLED:
> > case MIGRATION_STATUS_FAILED:
> > bytes_transferred = 0;
> > -
* Peter Xu (pet...@redhat.com) wrote:
> It's useful for specifying tls credentials all in the cmdline (along with
> the -object tls-creds-*), especially for debugging purpose.
>
> The trick here is we must remember to not free these fields again in the
> finalize() function of migration object, ot
On Thu, May 12, 2022 at 07:03:13PM +0100, Dr. David Alan Gilbert wrote:
> * Peter Xu (pet...@redhat.com) wrote:
> > It's useful for specifying tls credentials all in the cmdline (along with
> > the -object tls-creds-*), especially for debugging purpose.
> >
> > The trick here is we must remember t
On Thu, May 12, 2022 at 11:17:41AM +0800,
Xiaoyao Li wrote:
> Reuse "-cpu,tsc-frequency=" to get user wanted tsc frequency and pass it
> to KVM_TDX_INIT_VM.
>
> Besides, sanity check the tsc frequency to be in the legal range and
> legal granularity (required by TDX module).
Just to make it sur
Make necessary changes for Multiply-Add instructions to use the
proposed reworked exceptions handling in do_float_check_status.
This should allow for cleaner code, not requiring the helper to check
multiple exceptions in its body.
Signed-off-by: Víctor Colombo
---
target/ppc/fpu_helper.c | 5 --
ping
On 20/04/2022 16:40, Lucas Mateus Castro(alqotel) wrote:
From: "Lucas Mateus Castro (alqotel)"
This patch series is an implementation of the vector divide, vector
divide extended and vector modulo instructions from PowerISA 3.1
The first patch are Matheus' patch, used here since the divs2
Hello everyone!
I would like to propose a rework on the fpscr exceptions in
fpu_helper.c. Today, we have: do_float_check_status() dealing with
Overflow, Underflow, and Inexact; and other helpers for the invalid
exceptions (like float_invalid_op_vximz(), float_invalid_op_vxisi()),
including some sp
Make do_float_check_status also handle some invalid exceptions:
imz, isi and snan.
The idea is to try to concentrate the handling of all fp exceptions in
do_float_check_status. For this RFC, move only the 3 exceptions stated
above.
I chose to create new '*_defer' helpers to propose a gradual tran
On Thu, May 12, 2022 at 08:05:45PM +0100, Daniel P. Berrangé wrote:
> > > @@ -4372,12 +4375,9 @@ static void migration_class_init(ObjectClass
> > > *klass, void *data)
> > > static void migration_instance_finalize(Object *obj)
> > > {
> > > MigrationState *ms = MIGRATION_OBJ(obj);
> > > -
On Thu, 12 May 2022 15:25:32 -0300
Jason Gunthorpe wrote:
> On Thu, May 12, 2022 at 11:57:10AM -0600, Alex Williamson wrote:
> > > @@ -767,9 +767,10 @@ static void vfio_migration_state_notifier(Notifier
> > > *notifier, void *data)
> > > case MIGRATION_STATUS_CANCELLED:
> > > case MIGR
On 5/12/22 10:24, Paolo Bonzini wrote:
The following changes since commit ec11dc41eec5142b4776db1296972c6323ba5847:
Merge tag 'pull-misc-2022-05-11' of git://repo.or.cz/qemu/armbru into
staging (2022-05-11 09:00:26 -0700)
are available in the Git repository at:
https://gitlab.com/bonzin
On 5/12/22 12:42, Víctor Colombo wrote:
Make do_float_check_status also handle some invalid exceptions:
imz, isi and snan.
The idea is to try to concentrate the handling of all fp exceptions in
do_float_check_status. For this RFC, move only the 3 exceptions stated
above.
I chose to create new '
On Thu, May 12, 2022 at 03:11:40PM -0600, Alex Williamson wrote:
> On Thu, 12 May 2022 15:25:32 -0300
> Jason Gunthorpe wrote:
>
> > On Thu, May 12, 2022 at 11:57:10AM -0600, Alex Williamson wrote:
> > > > @@ -767,9 +767,10 @@ static void vfio_migration_state_notifier(Notifier
> > > > *notifier,
Start by making the interfaces of analogous non-coroutine and coroutine
functions consistent with each other, then implement the non-coroutine
ones using generated_co_wrapper.
For the bdrv_pwrite_sync() case, also add the missing
bdrv_co_pwrite_sync() function.
Alberto Faria (7):
block: Add a '
They currently return the value of their 'bytes' parameter on success.
Make them return 0 instead, for consistency with other I/O functions and
in preparation to implement them using generated_co_wrapper. This also
makes it clear that short reads/writes are not possible.
The few callers that rely
Swap 'buf' and 'bytes' around for consistency with
bdrv_co_{pread,pwrite}(), and in preparation to implement these
functions using generated_co_wrapper.
Callers were updated using this Coccinelle script:
@@ expression child, offset, buf, bytes, flags; @@
- bdrv_pread(child, offset, buf, b
For consistency with other I/O functions, and in preparation to
implement them using generated_co_wrapper.
Callers were updated using this Coccinelle script:
@@ expression child, offset, buf, bytes; @@
- bdrv_pread(child, offset, buf, bytes)
+ bdrv_pread(child, offset, buf, bytes, 0)
For consistency with other I/O functions, and in preparation to
implement bdrv_{pread,pwrite}() using generated_co_wrapper.
unsigned int fits in int64_t, so all callers remain correct.
Signed-off-by: Alberto Faria
---
block/coroutines.h | 4 ++--
include/block/block_int-io.h | 4 ++--
Also convert bdrv_pwrite_sync() to being implemented using
generated_co_wrapper.
Signed-off-by: Alberto Faria
---
block/io.c | 5 +++--
include/block/block-io.h | 8 ++--
2 files changed, 9 insertions(+), 4 deletions(-)
diff --git a/block/io.c b/block/io.c
index ecd1c2a53c..19
Signed-off-by: Alberto Faria
---
block/io.c | 41
include/block/block-io.h | 15 +--
2 files changed, 9 insertions(+), 47 deletions(-)
diff --git a/block/io.c b/block/io.c
index 78a289192e..ecd1c2a53c 100644
--- a/block/io.c
+++
It does not mutate the buffer.
Signed-off-by: Alberto Faria
---
include/block/block_int-io.h | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/include/block/block_int-io.h b/include/block/block_int-io.h
index bb454200e5..d4d3bed783 100644
--- a/include/block/block_int-io.h
+++
Turn off the nag warning coaxing us to upgrade pip. It's not really that
interesting to see in CI logs, and as long as nothing is broken --
nothing is broken.
Signed-off-by: John Snow
---
tests/Makefile.include | 6 +++---
1 file changed, 3 insertions(+), 3 deletions(-)
diff --git a/tests/Makef
RFC: This is a very early, crude attempt at switching over to an
external Python package dependency for QMP. This series does not
actually make the switch in and of itself, but instead just switches to
the paradigm of using a venv in general to install the QEMU python
packages instead of using PYTH
This patch co-opts the virtual environment being used by avocado tests
to also run the basevm.py tests. This is being done in preparation for
for the qemu.qmp package being removed from qemu.git.
As part of the change, remove any sys.path() hacks and treat "qemu" as a
normal third-party import.
S
typeshed (included in mypy) recently updated to improve the typing for
WriteTransport objects. I was working around this, but now there's a
version where I shouldn't work around it.
Unfortunately this creates some minor ugliness if I want to support both
pre- and post-0.950 versions. For now, for
This patch is being front-loaded before iotests actually relies on the
tests/venv being created in order to preserve bisectability.
Problems I am aware of here (There are a lot, sorry):
- I am not sure the right place to express this dependency, so I did it
in tests/Makefile.include. It seems t
This is a convenience feature: $(PYTHON) points to the Python executable
we were instructed to use by the configure script. We use that Python to
create a virtual environment with the "check-venv" target in
tests/Makefile.include.
$(TESTS_PYTHON) points to the Python executable belonging to the vi
If you invoke the check script from outside of the tests/qemu-iotests
directory, the directories initialized as source_iotests and
build_iotests will be incorrect.
We can use the location of the source file itself to be more accurate.
(I don't know if this is actually *used*, but what was there w
This patch adds the "qemu" namespace package to the $build/tests/venv
directory. It does so in "editable" mode, which means that changes to
the source python directory will actively be reflected by the venv.
This patch also then removes any sys.path hacking from the avocado test
scripts directly.
Signed-off-by: John Snow
---
.gitlab-ci.d/buildtest.yml | 1 +
1 file changed, 1 insertion(+)
diff --git a/.gitlab-ci.d/buildtest.yml b/.gitlab-ci.d/buildtest.yml
index 0aea7ab84c2..5c6201847f1 100644
--- a/.gitlab-ci.d/buildtest.yml
+++ b/.gitlab-ci.d/buildtest.yml
@@ -245,6 +245,7 @@ build-tcg
Essentially, this:
(A) adjusts the python binary to be the one found in the venv (which is
a symlink to the python binary chosen at configure time)
(B) adds a new VIRTUAL_ENV export variable
(C) changes PATH to front-load the venv binary directory.
If the venv directory isn't found, raise a fri
On 5/13/2022 1:50 AM, Isaku Yamahata wrote:
On Thu, May 12, 2022 at 11:17:36AM +0800,
Xiaoyao Li wrote:
Introduce kvm_arch_pre_create_vcpu(), to perform arch-dependent
work prior to create any vcpu. This is for i386 TDX because it needs
call TDX_INIT_VM before creating any vcpu.
Because "11/
Usually, QEMU users just provide one serial device on the command line,
either through "-nographic" or "-serial stdio -display none", or just using
VNC and popping up a window. We try to match what the user expects, which is
to connect the first (and usually only) serial device to the UART a board
On 5/13/2022 1:48 AM, Isaku Yamahata wrote:
On Thu, May 12, 2022 at 11:17:37AM +0800,
Xiaoyao Li wrote:
diff --git a/target/i386/kvm/kvm_i386.h b/target/i386/kvm/kvm_i386.h
index b434feaa6b1d..5c7972f617e8 100644
--- a/target/i386/kvm/kvm_i386.h
+++ b/target/i386/kvm/kvm_i386.h
@@ -24,6 +24,10
On 5/13/2022 2:34 AM, Isaku Yamahata wrote:
On Thu, May 12, 2022 at 11:17:51AM +0800,
Xiaoyao Li wrote:
From: Isaku Yamahata
TDVF firmware (CODE and VARS) needs to be added/copied to TD's private
memory via KVM_TDX_INIT_MEM_REGION, as well as TD HOB and TEMP memory.
Signed-off-by: Isaku Yam
On 5/13/2022 2:04 AM, Isaku Yamahata wrote:
On Thu, May 12, 2022 at 11:17:41AM +0800,
Xiaoyao Li wrote:
Reuse "-cpu,tsc-frequency=" to get user wanted tsc frequency and pass it
to KVM_TDX_INIT_VM.
Besides, sanity check the tsc frequency to be in the legal range and
legal granularity (required
I'm not sure how much testing is expected for "Tested-by".
If just checking my perspective is enough, yes. But I did not check that
this patch fixes the problem of excessive resource consumption.
On 2022/05/12 21:50, Philippe Mathieu-Daudé wrote:
Hi Hiroki,
On Thu, May 12, 2022 at 8:57 AM 成
> On May 12, 2022, at 5:37 PM, Peter Delevoryas wrote:
>
> Usually, QEMU users just provide one serial device on the command line,
> either through "-nographic" or "-serial stdio -display none", or just using
> VNC and popping up a window. We try to match what the user expects, which is
> to c
在 2022/5/12 下午4:55, ~eopxd 写道:
According to v-spec, mask agnostic behavior can be either kept as
undisturbed or set elements' bits to all 1s. To distinguish the
difference of mask policies, QEMU should be able to simulate the mask
agnostic behavior as "set mask elements' bits to all 1s".
There
On Wed, May 11, 2022 at 9:48 PM Anup Patel wrote:
>
> On Tue, May 10, 2022 at 3:03 AM Atish Patra wrote:
> >
> > vstimecmp CSR allows the guest OS or to program the next guest timer
> > interrupt directly. Thus, hypervisor no longer need to inject the
> > timer interrupt to the guest if vstimecmp
在 2022/5/12 22:36, Stefano Garzarella 写道:
On Thu, May 12, 2022 at 02:21:02PM +0800, Longpeng(Mike) wrote:
From: Longpeng
Supports vdpa-dev, we can use the deivce directly:
-M microvm -m 512m -smp 2 -kernel ... -initrd ... -device \
vhost-vdpa-device,vhostdev=/dev/vhost-vdpa-x
Signed-off-b
在 2022/5/12 14:56, Michael S. Tsirkin 写道:
On Thu, May 12, 2022 at 02:21:01PM +0800, Longpeng(Mike) wrote:
From: Longpeng
Add helpers to get the "Transitional PCI Device ID" and "class_id"
of the device specified by the "Virtio Device ID".
These helpers will be used to build the generic vDP
Hi, Daniel
Something I do in my local branch(for the v6 series):
- [PATCH v5 1/9] virtio-crypto: header update
- [PATCH v5 3/9] crypto: Introduce akcipher crypto class
Add 'Reviewed-by: Daniel P. Berrangé '
- [PATCH v5 4/9] crypto: add ASN.1 DER decoder
- [PATCH v5 7/9] test/crypto: Add test s
CC'ing Zev and OpenBMC since this was motivated by a problem Zev had there:
https://lore.kernel.org/openbmc/ynzgnwjkydmuu...@hatter.bewilderbeest.net/
This series adds all the missing UART's in the Aspeed chips, and initializes
them all with serial devices (even if there is no peer character devi
Usually, QEMU users just provide one serial device on the command line,
either through "-nographic" or "-serial stdio -display none", or just using
VNC and popping up a window. We try to match what the user expects, which is
to connect the first (and usually only) serial device to the UART a board
This adds the missing UART memory and IRQ mappings for the AST2400, AST2500,
AST2600, and AST1030.
This also includes the new UART interfaces added in the AST2600 and AST1030
from UART6 to UART13. The addresses and interrupt numbers for these two
later chips are identical.
Signed-off-by: Peter De
On 5/13/22 06:02, Peter Delevoryas wrote:
This adds the missing UART memory and IRQ mappings for the AST2400, AST2500,
AST2600, and AST1030.
This also includes the new UART interfaces added in the AST2600 and AST1030
from UART6 to UART13. The addresses and interrupt numbers for these two
later c
On 5/13/22 06:02, Peter Delevoryas wrote:
Usually, QEMU users just provide one serial device on the command line,
either through "-nographic" or "-serial stdio -display none", or just using
VNC and popping up a window. We try to match what the user expects, which is
to connect the first (and usua
Richard,
I'm wondering what options you use to bring up sbsa board with neoverse-n1
as I am only able to do it with cortex-a57, no other CPU types works.
Itaru.
Whose review is still needed? Or is this ready?
---There is no review in the the process. Two month ago, David has tried to queue this patch and reported a test failure, i fix this by add a test
On Wed, May 11, 2022 at 5:55 AM Dr. David Alan Gilbert
wrote:
>
> * Leonardo Bras Soares Passos (leob...@redhat.com) wrote:
> > From a previous thread:
> >
> > On Thu, Apr 28, 2022 at 1:20 PM Dr. David Alan Gilbert
> > wrote:
> > >
> > > Leo:
> > > Unfortunately this is failing a couple of CI t
This patch series intends to enable MSG_ZEROCOPY in QIOChannel, and make
use of it for multifd migration performance improvement, by reducing cpu
usage.
Patch #1 conditionally disables liburing in systems where linux/errqueue.h
conflict with liburing/compat.h (__kernel_timespec redefine)
Patch #2
On Thu, May 12, 2022 at 6:01 AM Atish Patra wrote:
> From: Atish Patra
>
> mcycle/minstret are actually WARL registers and can be written with any
> given value. With SBI PMU extension, it will be used to store a initial
> value provided from supervisor OS. The Qemu also need prohibit the counte
A lot of places check parameters.tls_creds in order to evaluate if TLS is
in use, and sometimes call migrate_get_current() just for that test.
Add new helper function migrate_use_tls() in order to simplify testing
for TLS usage.
Signed-off-by: Leonardo Bras
Reviewed-by: Juan Quintela
Reviewed-b
A build error happens in alpine CI when linux/errqueue.h is included
in io/channel-socket.c, due to redefining of 'struct __kernel_timespec':
===
ninja: job failed: [...]
In file included from /usr/include/linux/errqueue.h:6,
from ../io/channel-socket.c:29:
/usr/include/linux/time
Add flags to io_writev and introduce io_flush as optional callback to
QIOChannelClass, allowing the implementation of zero copy writes by
subclasses.
How to use them:
- Write data using qio_channel_writev*(...,QIO_CHANNEL_WRITE_FLAG_ZERO_COPY),
- Wait write completion with qio_channel_flush().
No
The write_enable latch property is not currently exposed.
This commit makes it a modifiable property.
Signed-off-by: Iris Chen
---
v3: Addressed comments by Peter and Cedric.
v2: Ran ./scripts/checkpatch.pl on the patch and added a description. Fixed
comments regarding DEFINE_PROP_BOOL.
hw/blo
Since d48c3a0445 ("multifd: Use a single writev on the send side"),
sending the header packet and the memory pages happens in the same
writev, which can potentially make the migration faster.
Using channel-socket as example, this works well with the default copying
mechanism of sendmsg(), but with
For CONFIG_LINUX, implement the new zero copy flag and the optional callback
io_flush on QIOChannelSocket, but enables it only when MSG_ZEROCOPY
feature is available in the host kernel, which is checked on
qio_channel_socket_connect_sync()
qio_channel_socket_flush() was implemented by counting how
Our support statement for Windows currently talks about "Vista / Server
2008" - which is related to the API of Windows, and this is not easy
to understand for the non-technical users. Additionally, glib sets the
_WIN32_WINNT macro to 0x0601 already, which indicates the Windows 7 API,
so QEMU effect
Add property that allows zero-copy migration of memory pages
on the sending side, and also includes a helper function
migrate_use_zero_copy_send() to check if it's enabled.
No code is introduced to actually do the migration, but it allow
future implementations to enable/disable this feature.
On n
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