[PATCH v3 3/4] virtio_net: Add the 2rd acceptable situation for Mac setup.

2024-10-26 Thread Cindy Lu
When using a VDPA device, the following situations are also acceptable: the hardware MAC address is not 0, and the MAC address in the QEMU command line is 0. Signed-off-by: Cindy Lu --- hw/net/virtio-net.c | 14 ++ 1 file changed, 14 insertions(+) diff --git a/hw/net/virtio-net.c b

[PATCH v3 4/4] virtio_net: Add the 3rd acceptable situation for Mac setup.

2024-10-26 Thread Cindy Lu
While the hardware MAC address is 0 and the MAC address in the QEMU command line is also 0, this configuration is acceptable. Signed-off-by: Cindy Lu --- hw/net/virtio-net.c | 13 + 1 file changed, 13 insertions(+) diff --git a/hw/net/virtio-net.c b/hw/net/virtio-net.c index

[PATCH v3 2/4] virtio_net: Add the check for vdpa's mac address

2024-10-26 Thread Cindy Lu
When using a VDPA device, it is important to ensure that the MAC address is correctly set. The MAC address in the hardware should match the MAC address from the QEMU command line. This is a recommended configuration and will allow the system to boot. Signed-off-by: Cindy Lu --- hw/net/virtio

[PATCH v3 1/4] vhost_vdpa : Add a new parameter to enable check mac address

2024-10-26 Thread Cindy Lu
o-net-pci,netdev=vhost-vdpa0\ Signed-off-by: Cindy Lu --- include/net/net.h | 1 + net/vhost-vdpa.c | 4 qapi/net.json | 5 + 3 files changed, 10 insertions(+) diff --git a/include/net/net.h b/include/net/net.h index c8f679761b..e00651a97b 100644 --- a/include/net/net.h

[PATCH v3 0/4] virtio_net: Add the check for vdpa's mac address

2024-10-26 Thread Cindy Lu
,vhostdev=/dev/vhost-vdpa-0,id=vhost-vdpa0,macstrickcheck=true\ -device virtio-net-pci,netdev=vhost-vdpa0\ tested by ConnectX-6 Dx device change in v3 1. add a new parameter to enable the check and keep the old behavior 2. adjust the comment and make it more clear Cindy Lu (4): vhost_vdpa : Add a

Re: [PATCH v2 3/3] virtio_net: Add the 3rd acceptable situation for Mac setup.

2024-10-13 Thread Cindy Lu
On Wed, 9 Oct 2024 at 16:30, Jason Wang wrote: > > On Mon, Sep 30, 2024 at 12:01 AM Cindy Lu wrote: > > > > While the hardware MAC address is 0 and the MAC address in > > the QEMU command line is also 0, this configuration is > > acceptable. > > > > Si

Re: [PATCH v2 2/3] virtio_net: Add the 2rd acceptable situation for Mac setup.

2024-10-13 Thread Cindy Lu
On Wed, 9 Oct 2024 at 16:30, Jason Wang wrote: > > On Mon, Sep 30, 2024 at 12:01 AM Cindy Lu wrote: > > > > When using a VDPA device, the following situations are > > also acceptable: the hardware MAC address is not 0, > > and the MAC address in the QEMU command li

[PATCH v2 0/3] virtio_net: Add the check for vdpa's mac address

2024-09-29 Thread Cindy Lu
When using a VDPA device, it is important to ensure that the MAC address is correctly set. There are only three acceptable situations for MAC setup; any other configuration will fail to boot. tested by ConnectX-6 Dx device Cindy Lu (3): virtio_net: Add the check for vdpa's mac ad

[PATCH v2 2/3] virtio_net: Add the 2rd acceptable situation for Mac setup.

2024-09-29 Thread Cindy Lu
When using a VDPA device, the following situations are also acceptable: the hardware MAC address is not 0, and the MAC address in the QEMU command line is 0. Signed-off-by: Cindy Lu --- hw/net/virtio-net.c | 12 1 file changed, 12 insertions(+) diff --git a/hw/net/virtio-net.c b

[PATCH v2 3/3] virtio_net: Add the 3rd acceptable situation for Mac setup.

2024-09-29 Thread Cindy Lu
While the hardware MAC address is 0 and the MAC address in the QEMU command line is also 0, this configuration is acceptable. Signed-off-by: Cindy Lu --- hw/net/virtio-net.c | 11 +++ 1 file changed, 11 insertions(+) diff --git a/hw/net/virtio-net.c b/hw/net/virtio-net.c index

[PATCH v2 1/3] virtio_net: Add the check for vdpa's mac address

2024-09-29 Thread Cindy Lu
When using a VDPA device, it is important to ensure that the MAC address is correctly set. The MAC address in the hardware should match the MAC address from the QEMU command line. This is a recommended configuration and will allow the system to boot. Signed-off-by: Cindy Lu --- hw/net/virtio

Re: [PATCH 1/3] virtio_net: Add the check for vdpa's mac address

2024-08-09 Thread Cindy Lu
On Tue, 6 Aug 2024 at 21:30, Michael S. Tsirkin wrote: > > On Tue, Aug 06, 2024 at 08:58:01AM +0800, Cindy Lu wrote: > > When using a VDPA device, it is important to ensure that > > the MAC address in the hardware matches the MAC address > > from the QEMU command line.

Re: [PATCH 1/3] virtio_net: Add the check for vdpa's mac address

2024-08-09 Thread Cindy Lu
On Wed, 7 Aug 2024 at 10:36, Jason Wang wrote: > On Tue, Aug 6, 2024 at 5:44 PM Cindy Lu wrote: > > > > On Tue, 6 Aug 2024 at 11:07, Jason Wang wrote: > > > > > > On Tue, Aug 6, 2024 at 8:58 AM Cindy Lu wrote: > > > > > > > >

Re: [PATCH 1/3] virtio_net: Add the check for vdpa's mac address

2024-08-09 Thread Cindy Lu
x27;t have this kind of verification. I will double check this Thanks Cindy > > On Tue, Aug 6, 2024 at 12:45 PM Cindy Lu wrote: > > > > On Tue, 6 Aug 2024 at 11:07, Jason Wang wrote: > > > > > > On Tue, Aug 6, 2024 at 8:58 AM Cindy Lu wrote: > > > &

Re: [PATCH 3/3] virtio_net: remove the unnecessary check in get_config

2024-08-06 Thread Cindy Lu
On Tue, 6 Aug 2024 at 11:09, Jason Wang wrote: > > On Tue, Aug 6, 2024 at 8:58 AM Cindy Lu wrote: > > > > The vdpa device with MAC address 0 should not boot. > > So remove the check here > > > > Signed-off-by: Cindy Lu > > Please describe what issue

Re: [PATCH 1/3] virtio_net: Add the check for vdpa's mac address

2024-08-06 Thread Cindy Lu
On Tue, 6 Aug 2024 at 11:07, Jason Wang wrote: > > On Tue, Aug 6, 2024 at 8:58 AM Cindy Lu wrote: > > > > When using a VDPA device, it is important to ensure that > > the MAC address in the hardware matches the MAC address > > from the QEMU command line. > >

[PATCH v6] virtio-pci: Fix the use of an uninitialized irqfd

2024-08-06 Thread Cindy Lu
fix use of a released vector") Cc: qemu-sta...@nongnu.org Signed-off-by: Cindy Lu --- hw/virtio/virtio-pci.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/hw/virtio/virtio-pci.c b/hw/virtio/virtio-pci.c index 592fdaa10f..dc31a37ec0 100644 --- a/hw/virtio/virtio-pci.c +++ b/hw/virtio/v

[PATCH 1/3] virtio_net: Add the check for vdpa's mac address

2024-08-05 Thread Cindy Lu
When using a VDPA device, it is important to ensure that the MAC address in the hardware matches the MAC address from the QEMU command line. This will allow the device to boot. Signed-off-by: Cindy Lu --- hw/net/virtio-net.c | 33 + 1 file changed, 29 insertions

[PATCH 3/3] virtio_net: remove the unnecessary check in get_config

2024-08-05 Thread Cindy Lu
The vdpa device with MAC address 0 should not boot. So remove the check here Signed-off-by: Cindy Lu --- hw/net/virtio-net.c | 13 - 1 file changed, 13 deletions(-) diff --git a/hw/net/virtio-net.c b/hw/net/virtio-net.c index c144ae2e78..8a7c743ad3 100644 --- a/hw/net/virtio-net.c

[PATCH 2/3] virtio_net: Add the check for vdpa mac address

2024-08-05 Thread Cindy Lu
When using a VDPA device, this is another acceptable situations The hardware MAC address is not 0, and the MAC address in the QEMU command line is 0. This is also acceptable Signed-off-by: Cindy Lu --- hw/net/virtio-net.c | 13 - 1 file changed, 12 insertions(+), 1 deletion

Re: [PATCH v5] virtio-pci: Fix the use of an uninitialized irqfd

2024-07-22 Thread Cindy Lu
On Mon, 22 Jul 2024 at 15:24, Jason Wang wrote: > > Hi Cindy > > On Fri, Jul 19, 2024 at 1:25 PM Cindy Lu wrote: > > > > The crash was reported in MAC OS and NixOS, here is the link for this bug > > https://gitlab.com/qemu-project/qemu/-/issues/2334 > >

[PATCH v5] virtio-pci: Fix the use of an uninitialized irqfd

2024-07-18 Thread Cindy Lu
cff94d ("virtio-pci: fix use of a released vector") Cc: qemu-sta...@nongnu.org Signed-off-by: Cindy Lu --- hw/virtio/virtio-pci.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/hw/virtio/virtio-pci.c b/hw/virtio/virtio-pci.c index 592fdaa10f..dc31a37ec0 100644 --- a/hw/virtio/vir

Re: [PATCH v4 1/2] virtio-pci: Fix the use of an uninitialized irqfd

2024-07-15 Thread Cindy Lu
On Tue, 2 Jul 2024 at 15:09, Jason Wang wrote: > > On Tue, Jul 2, 2024 at 10:00 AM Cindy Lu wrote: > > > > The crash was reported in MAC OS and NixOS, here is the link for this bug > > https://gitlab.com/qemu-project/qemu/-/issues/2334 > > https://gitlab.com/q

Re: [RFC v2] virtio-net: check the mac address for vdpa device

2024-07-15 Thread Cindy Lu
On Tue, 16 Jul 2024 at 13:37, Jason Wang wrote: > > On Tue, Jul 16, 2024 at 9:14 AM Cindy Lu wrote: > > > > When using a VDPA device, it is important to ensure that the MAC address > > in the hardware matches the MAC address from the QEMU command line. > > >

Re: [RFC v2] virtio-net: check the mac address for vdpa device

2024-07-15 Thread Cindy Lu
On Tue, 16 Jul 2024 at 09:56, Lei Yang wrote: > > Hi Cindy > > If needed, QE can help test this MR before merging into the master branch. > > Best Regards > Lei > sure, Really thanks for your help thanks cindy > > On Tue, Jul 16, 2024 at 9:14 AM Cindy Lu wrote: &g

[RFC v2] virtio-net: check the mac address for vdpa device

2024-07-15 Thread Cindy Lu
addresses are not 0. 2. The hardware MAC address is not 0, and the MAC address in the QEMU command line is 0. In this situation, the hardware MAC address will overwrite the QEMU command line address. Signed-off-by: Cindy Lu --- hw/net/virtio-net.c | 43 +-- 1

Re: [RFC] virtio-net: check the mac address for vdpa device

2024-07-08 Thread Cindy Lu
On Tue, 9 Jul 2024 at 10:47, Jason Wang wrote: > > On Tue, Jul 9, 2024 at 10:41 AM Cindy Lu wrote: > > > > On Tue, 9 Jul 2024 at 10:33, Jason Wang wrote: > > > > > > On Tue, Jul 9, 2024 at 10:27 AM Cindy Lu wrote: > > > > > > > > When

Re: [RFC] virtio-net: check the mac address for vdpa device

2024-07-08 Thread Cindy Lu
On Tue, 9 Jul 2024 at 10:33, Jason Wang wrote: > > On Tue, Jul 9, 2024 at 10:27 AM Cindy Lu wrote: > > > > When using VDPA device, we should verify whether the MAC address in the > > hardware matches the MAC address from the QEMU command line. If not, > > we w

[RFC] virtio-net: check the mac address for vdpa device

2024-07-08 Thread Cindy Lu
When using VDPA device, we should verify whether the MAC address in the hardware matches the MAC address from the QEMU command line. If not, we will need to update the related information. Signed-off-by: Cindy Lu --- hw/net/virtio-net.c | 15 +++ 1 file changed, 11 insertions(+), 4

[PATCH v4 2/2] virtio-pci: Add check the return of kvm_virtio_pci_vector_use_one

2024-07-01 Thread Cindy Lu
Add the return value check for kvm_virtio_pci_vector_use_one(). Since the return value of function virtio_pci_set_vector() is void, we can do nothing here. So just add the error message here. Signed-off-by: Cindy Lu --- hw/virtio/virtio-pci.c | 4 +++- 1 file changed, 3 insertions(+), 1

[PATCH v4 0/2] virtio-pci: Fix the use of an uninitialized irqfd

2024-07-01 Thread Cindy Lu
check for kvm_virtio_pci_vector_use_one(). Since the return value of function virtio_pci_set_vector() is void, just add the error message here. Cindy Lu (2): virtio-pci: Fix the use of an uninitialized irqfd virtio-pci: Add check the return of kvm_virtio_pci_vector_use_one hw/virtio/vir

[PATCH v4 1/2] virtio-pci: Fix the use of an uninitialized irqfd

2024-07-01 Thread Cindy Lu
t ../qemu-9.0.0/util/qemu-thread-posix.c:541 13 0x7c8185bcd1cf in ??? () at /usr/lib/libc.so.6 14 0x7c8185c4e504 in clone () at /usr/lib/libc.so.6 Fixes: 2ce6cff94d ("virtio-pci: fix use of a released vector") Cc: qemu-sta...@nongnu.org Signed-off-by: Cindy Lu --- hw/virtio/vir

Re: [PATCH v3] virtio-pci: Fix the use of an uninitialized irqfd

2024-06-27 Thread Cindy Lu
On Thu, Jun 27, 2024 at 4:55 PM Michael S. Tsirkin wrote: > > On Thu, Jun 27, 2024 at 04:40:33PM +0800, Cindy Lu wrote: > > On Wed, Jun 26, 2024 at 3:45 PM Michael S. Tsirkin wrote: > > > > > > On Wed, Jun 26, 2024 at 10:44:31AM +0800, Cindy Lu wrote: > > >

Re: [PATCH v3] virtio-pci: Fix the use of an uninitialized irqfd

2024-06-27 Thread Cindy Lu
On Wed, Jun 26, 2024 at 3:45 PM Michael S. Tsirkin wrote: > > On Wed, Jun 26, 2024 at 10:44:31AM +0800, Cindy Lu wrote: > > The crash was reported in MAC OS and NixOS, here is the link for this bug > > https://gitlab.com/qemu-project/qemu/-/issues/2334 > > https://gitl

[PATCH v3] virtio-pci: Fix the use of an uninitialized irqfd

2024-06-25 Thread Cindy Lu
) at /usr/lib/libc.so.6 14 0x7c8185c4e504 in clone () at /usr/lib/libc.so.6 Fixes: 2ce6cff94d ("virtio-pci: fix use of a released vector") Cc: qemu-sta...@nongnu.org Signed-off-by: Cindy Lu --- hw/virtio/virtio-pci.c | 9 - 1 file changed, 8 insertions(+), 1 deletion(-) diff --git

Re: [PATCH v2] virtio-pci: Fix the use of an uninitialized irqfd.

2024-06-18 Thread Cindy Lu
On Mon, Jun 17, 2024 at 6:38 PM Philippe Mathieu-Daudé wrote: > > Hi Cindy, > > On 17/6/24 11:55, Cindy Lu wrote: > > The crash was reported in MAC OS and NixOS, here is the link for this bug > > https://gitlab.com/qemu-project/qemu/-/issues/2334 > > https://gitlab.

[PATCH v2] virtio-pci: Fix the use of an uninitialized irqfd.

2024-06-17 Thread Cindy Lu
leased vector") Cc: qemu-sta...@nongnu.org Signed-off-by: Cindy Lu --- hw/virtio/virtio-pci.c | 8 ++-- 1 file changed, 6 insertions(+), 2 deletions(-) diff --git a/hw/virtio/virtio-pci.c b/hw/virtio/virtio-pci.c index b1d02f4b3d..502aad28b2 100644 --- a/hw/virtio/virtio-pci.c +++ b/hw/virti

Re: [PATCH] virtio-pci: Fix the use of an uninitialized irqfd.

2024-06-02 Thread Cindy Lu
On Wed, May 29, 2024 at 9:54 PM Fiona Ebner wrote: > > Hi, > > Am 22.05.24 um 07:10 schrieb Cindy Lu: > > The crash was reported in MAC OS and NixOS, here is the link for this bug > > https://gitlab.com/qemu-project/qemu/-/issues/2334 > > https://gitlab.com/q

[PATCH v2] virtio-pci: Fix the failure process in kvm_virtio_pci_vector_use_one()

2024-05-28 Thread Cindy Lu
: qemu-sta...@nongnu.org Signed-off-by: Cindy Lu --- hw/virtio/virtio-pci.c | 18 ++ 1 file changed, 2 insertions(+), 16 deletions(-) diff --git a/hw/virtio/virtio-pci.c b/hw/virtio/virtio-pci.c index b1d02f4b3d..8a9d0f6ef5 100644 --- a/hw/virtio/virtio-pci.c +++ b/hw/virtio/virtio-pci.c

[PATCH] virtio-pci: Fix the use of an uninitialized irqfd.

2024-05-21 Thread Cindy Lu
es: 2ce6cff94d ("virtio-pci: fix use of a released vector") Cc: qemu-sta...@nongnu.org Signed-off-by: Cindy Lu --- hw/virtio/virtio-pci.c | 7 +-- 1 file changed, 5 insertions(+), 2 deletions(-) diff --git a/hw/virtio/virtio-pci.c b/hw/virtio/virtio-pci.c index b1d02f4b3d..a7faee5

Re: [PATCH v8] virtio-pci: fix use of a released vector

2024-05-08 Thread Cindy Lu
On Thu, May 9, 2024 at 4:18 AM Michael Tokarev wrote: > > 15.04.2024 12:34, Michael S. Tsirkin wrote: > > From: Cindy Lu > > > > During the booting process of the non-standard image, the behavior of the > > called function in qemu is as follows: > > > >

Re: [PATCH] virtio-pci: Fix the failure process in kvm_virtio_pci_vector_use_one()

2024-04-18 Thread Cindy Lu
On Wed, Apr 17, 2024 at 2:38 AM Michael S. Tsirkin wrote: > > On Tue, Apr 16, 2024 at 02:14:57PM +0100, Peter Maydell wrote: > > On Tue, 16 Apr 2024 at 13:41, Cindy Lu wrote: > > > > > > On Tue, Apr 16, 2024 at 8:30 PM Peter Maydell > > > wrote: >

Re: [PATCH v8] virtio-pci: fix use of a released vector

2024-04-16 Thread Cindy Lu
On Tue, Apr 16, 2024 at 11:21 AM Jason Wang wrote: > > On Mon, Apr 15, 2024 at 6:41 PM Cindy Lu wrote: > > > > On Mon, Apr 15, 2024 at 5:34 PM Michael S. Tsirkin wrote: > > > > > > From: Cindy Lu > > > > > > During the booting process of th

Re: [PULL 1/1] virtio-pci: fix use of a released vector

2024-04-16 Thread Cindy Lu
On Tue, Apr 16, 2024 at 8:22 PM Peter Maydell wrote: > > On Tue, 16 Apr 2024 at 12:50, Peter Maydell wrote: > > > > On Tue, 16 Apr 2024 at 12:05, Cindy Lu wrote: > > > > > > On Tue, Apr 16, 2024 at 6:01 PM Peter Maydell > > > wrote: > > >

Re: [PULL 1/1] virtio-pci: fix use of a released vector

2024-04-16 Thread Cindy Lu
On Tue, Apr 16, 2024 at 7:50 PM Peter Maydell wrote: > > On Tue, 16 Apr 2024 at 12:05, Cindy Lu wrote: > > > > On Tue, Apr 16, 2024 at 6:01 PM Peter Maydell > > wrote: > > > Here we pass that through to kvm_virtio_pci_vector_use_one(). > > > In kvm_vir

Re: [PATCH] virtio-pci: Fix the failure process in kvm_virtio_pci_vector_use_one()

2024-04-16 Thread Cindy Lu
On Tue, Apr 16, 2024 at 8:30 PM Peter Maydell wrote: > > On Tue, 16 Apr 2024 at 13:29, Cindy Lu wrote: > > > > In function kvm_virtio_pci_vector_use_one(), in the undo label, > > the function will get the vector incorrectly while using > > VIRTIO_CONFIG_IRQ_IDX &

[PATCH] virtio-pci: Fix the failure process in kvm_virtio_pci_vector_use_one()

2024-04-16 Thread Cindy Lu
: qemu-sta...@nongnu.org Signed-off-by: Cindy Lu --- hw/virtio/virtio-pci.c | 19 +++ 1 file changed, 3 insertions(+), 16 deletions(-) diff --git a/hw/virtio/virtio-pci.c b/hw/virtio/virtio-pci.c index b138fa127a..565bdb0897 100644 --- a/hw/virtio/virtio-pci.c +++ b/hw/virtio/virtio-pci.c

Re: [PULL 1/1] virtio-pci: fix use of a released vector

2024-04-16 Thread Cindy Lu
On Tue, Apr 16, 2024 at 6:01 PM Peter Maydell wrote: > > On Mon, 15 Apr 2024 at 11:52, Michael S. Tsirkin wrote: > > > > From: Cindy Lu > > > > During the booting process of the non-standard image, the behavior of the > > called function in qemu is as foll

Re: [PATCH v8] virtio-pci: fix use of a released vector

2024-04-15 Thread Cindy Lu
On Mon, Apr 15, 2024 at 5:34 PM Michael S. Tsirkin wrote: > > From: Cindy Lu > > During the booting process of the non-standard image, the behavior of the > called function in qemu is as follows: > > 1. vhost_net_stop() was triggered by guest image. This w

Re: [PATCH v8] virtio-pci: fix use of a released vector

2024-04-15 Thread Cindy Lu
On Mon, Apr 15, 2024 at 5:34 PM Michael S. Tsirkin wrote: > > From: Cindy Lu > > During the booting process of the non-standard image, the behavior of the > called function in qemu is as follows: > > 1. vhost_net_stop() was triggered by guest image. This w

Re: [PATCH v6] virtio-pci: Fix the crash that the vector was used after released.

2024-04-15 Thread Cindy Lu
On Mon, Apr 15, 2024 at 4:32 PM Michael S. Tsirkin wrote: > > On Fri, Apr 12, 2024 at 02:26:55PM +0800, Cindy Lu wrote: > > During the booting process of the non-standard image, the behavior of the > > called function in qemu is as follows: > > > > 1. vhost_net_stop(

Re: [PATCH v6] virtio-pci: Fix the crash that the vector was used after released.

2024-04-11 Thread Cindy Lu
r); if (ret < 0) { return; } ... So I move the setting vector into the function virtio_pci_set_and_change_vector() the other part are the same . the sanity test is passed and the qemu qtest is also passed Thanks Cindy On Fri, Apr 12, 2024 at 2:28 PM Cindy Lu wrote: > > During th

[PATCH v6] virtio-pci: Fix the crash that the vector was used after released.

2024-04-11 Thread Cindy Lu
) at pthread_create.c:442 23 0x7fc871512630 in clone3 () at ../sysdeps/unix/sysv/linux/x86_64/clone3.S:81 (gdb) Fixes: f9a09ca3ea ("vhost: add support for configure interrupt") Cc: qemu-sta...@nongnu.org Signed-off-by: Cindy Lu --- hw/virtio/virtio-pci.c | 43 ++

[PATCH v5] virtio-pci: Fix the crash that the vector was used after released.

2024-04-11 Thread Cindy Lu
) at pthread_create.c:442 23 0x7fc871512630 in clone3 () at ../sysdeps/unix/sysv/linux/x86_64/clone3.S:81 (gdb) Fixes: f9a09ca3ea ("vhost: add support for configure interrupt") Cc: qemu-sta...@nongnu.org Signed-off-by: Cindy Lu --- hw/virtio/virtio-pci.c | 29 +

Re: [PATCH v4] virtio-pci: Fix the crash that the vector was used after released.

2024-04-10 Thread Cindy Lu
On Thu, Apr 11, 2024 at 1:56 PM Michael S. Tsirkin wrote: > > On Thu, Apr 11, 2024 at 12:11:30PM +0800, Cindy Lu wrote: > > During the booting process of the non-standard image, the behavior of the > > called function in qemu is as follows: > > > > 1. vhost_net_stop(

[PATCH v4] virtio-pci: Fix the crash that the vector was used after released.

2024-04-10 Thread Cindy Lu
) at pthread_create.c:442 23 0x7fc871512630 in clone3 () at ../sysdeps/unix/sysv/linux/x86_64/clone3.S:81 (gdb) Signed-off-by: Cindy Lu --- hw/virtio/virtio-pci.c | 30 ++ 1 file changed, 30 insertions(+) diff --git a/hw/virtio/virtio-pci.c b/hw/virtio/virtio-pci.c

Re: [PATCH v3] virtio-pci: Fix the crash that the vector was used after released.

2024-04-10 Thread Cindy Lu
On Thu, Apr 11, 2024 at 12:18 AM Michael S. Tsirkin wrote: > > On Thu, Apr 11, 2024 at 12:12:00AM +0800, Cindy Lu wrote: > > During the booting process of the non-standard image, the behavior of the > > called function in qemu is as follows: > > > > 1. vhost_net

[PATCH v3] virtio-pci: Fix the crash that the vector was used after released.

2024-04-10 Thread Cindy Lu
) at pthread_create.c:442 23 0x7fc871512630 in clone3 () at ../sysdeps/unix/sysv/linux/x86_64/clone3.S:81 (gdb) Signed-off-by: Cindy Lu --- hw/virtio/virtio-pci.c | 30 ++ 1 file changed, 30 insertions(+) diff --git a/hw/virtio/virtio-pci.c b/hw/virtio/virtio-pci.c

Re: [PATCH v2 1/1] virtio-pci: Fix the crash that the vector was used after released.

2024-04-09 Thread Cindy Lu
On Wed, Apr 10, 2024 at 1:48 PM Jason Wang wrote: > > On Wed, Apr 10, 2024 at 1:29 PM Cindy Lu wrote: > > > > When the guest triggers vhost_stop and then virtio_reset, the vector will > > the > > IRQFD for this vector will be released and change to VIRTIO_NO_VEC

Re: [PATCH v2 1/1] virtio-pci: Fix the crash that the vector was used after released.

2024-04-09 Thread Cindy Lu
On Wed, Apr 10, 2024 at 1:36 PM Jason Wang wrote: > > On Wed, Apr 10, 2024 at 1:29 PM Cindy Lu wrote: > > > > When the guest triggers vhost_stop and then virtio_reset, the vector will > > the > > IRQFD for this vector will be released and change to VIRTIO_NO_VEC

[PATCH v2 0/1] virtio-pci: Fix the crash that the vector was used after released

2024-04-09 Thread Cindy Lu
et_stop(), So this step will not lost during this process. Change from V1 1.add the check for if using irqfd 2.remove the check for bool recovery, irqfd's user is enough to check status Cindy Lu (1): virtio-pci: Fix the crash that the vector was used after releas

[PATCH v2 1/1] virtio-pci: Fix the crash that the vector was used after released.

2024-04-09 Thread Cindy Lu
640f8d731 in kvm_vcpu_thread_fn (arg=0x560642f205e0) at ../accel/kvm/kvm-accel-ops.c:51 21 0x5606411949f4 in qemu_thread_start (args=0x560642f292b0) at ../util/qemu-thread-posix.c:541 22 0x7fc87148cdcd in start_thread (arg=) at pthread_create.c:442 23 0x7fc871512630 in clone3 () at

Re: [PATCH 1/1] virtio-pci: Fix the crash when the vector changes back from VIRTIO_NO_VECTOR

2024-04-07 Thread Cindy Lu
On Mon, Apr 8, 2024 at 12:59 PM Jason Wang wrote: > > On Sun, Apr 7, 2024 at 3:00 PM Cindy Lu wrote: > > > > On Sun, Apr 7, 2024 at 12:20 PM Jason Wang wrote: > > > > > > On Tue, Apr 2, 2024 at 11:02 PM Cindy Lu wrote: > > > > > > >

Re: [PATCH 1/1] virtio-pci: Fix the crash when the vector changes back from VIRTIO_NO_VECTOR

2024-04-07 Thread Cindy Lu
On Sun, Apr 7, 2024 at 12:20 PM Jason Wang wrote: > > On Tue, Apr 2, 2024 at 11:02 PM Cindy Lu wrote: > > > > When the guest calls virtio_stop and then virtio_reset, > > Guests could not call those functions directly, it is triggered by for > example writing to some

[PATCH 0/1] virtio-pci: Fix the crash when the vector changes back from VIRTIO_NO_VECTOR

2024-04-02 Thread Cindy Lu
0 is_masked 1 [msix_fire_vector_notifier] 112 called vector 0 is_masked 0 To fix this, we need to call the function "kvm_virtio_pci_vector_use_one()" when the vector changes back from VIRTIO_NO_VECTOR Signed-off-by: Cindy Lu Cindy Lu (1): virtio-pci: Fix the crash when the v

[PATCH 1/1] virtio-pci: Fix the crash when the vector changes back from VIRTIO_NO_VECTOR

2024-04-02 Thread Cindy Lu
e_one()" when the vector changes back from VIRTIO_NO_VECTOR Signed-off-by: Cindy Lu --- hw/virtio/virtio-pci.c | 31 --- 1 file changed, 28 insertions(+), 3 deletions(-) diff --git a/hw/virtio/virtio-pci.c b/hw/virtio/virtio-pci.c index e433879542..45f3ab38c3 10064

Re: [RFC 0/2] disable the configuration interrupt for the unsupported device

2024-03-28 Thread Cindy Lu
On Thu, Mar 28, 2024 at 12:12 PM Jason Wang wrote: > > On Wed, Mar 27, 2024 at 5:33 PM Cindy Lu wrote: > > > > On Wed, Mar 27, 2024 at 5:12 PM Jason Wang wrote: > > > > > > On Wed, Mar 27, 2024 at 4:28 PM Cindy Lu wrote: > > > > > >

Re: [RFC 0/2] disable the configuration interrupt for the unsupported device

2024-03-28 Thread Cindy Lu
On Thu, Mar 28, 2024 at 12:14 PM Jason Wang wrote: > > On Wed, Mar 27, 2024 at 5:44 PM Cindy Lu wrote: > > > > On Wed, Mar 27, 2024 at 5:13 PM Jason Wang wrote: > > > > > > On Wed, Mar 27, 2024 at 5:12 PM Jason Wang wrote: > > > > > &g

Re: [RFC 0/2] disable the configuration interrupt for the unsupported device

2024-03-27 Thread Cindy Lu
On Wed, Mar 27, 2024 at 5:13 PM Jason Wang wrote: > > On Wed, Mar 27, 2024 at 5:12 PM Jason Wang wrote: > > > > On Wed, Mar 27, 2024 at 4:28 PM Cindy Lu wrote: > > > > > > On Wed, Mar 27, 2024 at 3:54 PM Jason Wang wrote: > > > > > &g

Re: [RFC 0/2] disable the configuration interrupt for the unsupported device

2024-03-27 Thread Cindy Lu
On Wed, Mar 27, 2024 at 5:12 PM Jason Wang wrote: > > On Wed, Mar 27, 2024 at 4:28 PM Cindy Lu wrote: > > > > On Wed, Mar 27, 2024 at 3:54 PM Jason Wang wrote: > > > > > > On Wed, Mar 27, 2024 at 2:03 PM Cindy Lu wrote: > > > > > >

Re: [RFC 0/2] disable the configuration interrupt for the unsupported device

2024-03-27 Thread Cindy Lu
On Wed, Mar 27, 2024 at 3:54 PM Jason Wang wrote: > > On Wed, Mar 27, 2024 at 2:03 PM Cindy Lu wrote: > > > > On Wed, Mar 27, 2024 at 11:05 AM Jason Wang wrote: > > > > > > Hi Cindy: > > > > > > On Wed, Mar 27, 2024 at 9:29 AM Cindy Lu

Re: [RFC 0/2] disable the configuration interrupt for the unsupported device

2024-03-26 Thread Cindy Lu
On Wed, Mar 27, 2024 at 11:05 AM Jason Wang wrote: > > Hi Cindy: > > On Wed, Mar 27, 2024 at 9:29 AM Cindy Lu wrote: > > > > we need a crash in Non-standard image, here is the jira for this > > https://issues.redhat.com/browse/RHEL-28522 > > The root cause of

[RFC 1/2] virtio-net: disable the configure interrupt for not support device

2024-03-26 Thread Cindy Lu
will set to true. Signed-off-by: Cindy Lu --- hw/net/virtio-net.c| 5 - hw/virtio/virtio.c | 1 + include/hw/virtio/virtio.h | 1 + 3 files changed, 6 insertions(+), 1 deletion(-) diff --git a/hw/net/virtio-net.c b/hw/net/virtio-net.c index 80c56f0cfc..3b487864a8 100644 ---

[RFC 2/2] virtio-pci: check if the configure interrupt enable

2024-03-26 Thread Cindy Lu
If config_irq_enabled is not true, it means that configure interrupt is not supported. Therefore, the config vector will not be handled during the interrupt process. Signed-off-by: Cindy Lu --- hw/virtio/virtio-pci.c | 41 +++-- 1 file changed, 23 insertions

[RFC 0/2] disable the configuration interrupt for the unsupported device

2024-03-26 Thread Cindy Lu
device Vyatta using, it doesn't support configure interrupts at all, So we plan to disable the configure interrupts in unsupported device Signed-off-by: Cindy Lu Cindy Lu (2): virtio-net: disable the configure interrupt for not support device virtio-pci: check if the configure interrupt

Re: Re: [PATCH] vdpa-dev: Fix initialisation order to restore VDUSE compatibility

2024-02-07 Thread Cindy Lu
Jason Wang 于2024年2月7日周三 11:17写道: > > On Tue, Feb 6, 2024 at 4:31 PM Stefano Garzarella wrote: > > > > On Tue, Feb 06, 2024 at 10:47:40AM +0800, Jason Wang wrote: > > >On Mon, Feb 5, 2024 at 6:51 PM Stefano Garzarella > > >wrote: > > >> > > >> On Fri, Feb 02, 2024 at 02:25:21PM +0100, Kevin Wolf

Re: [RFC 0/7] vhost-vdpa: add support for iommufd

2023-09-13 Thread Cindy Lu
3:30PM +0800, Cindy Lu wrote: > > Hi All > > There is the RFC to support the IOMMUFD in vdpa device > > any comments are welcome > > Thanks > > Cindy > > Any plans to work on this or should I consider this abandoned? > > > > Cindy Lu (7): > > vhos

Re: [RFC 0/7] vhost-vdpa: add support for iommufd

2023-06-05 Thread Cindy Lu
On Mon, Jun 5, 2023 at 1:41 PM Michael S. Tsirkin wrote: > > On Fri, May 05, 2023 at 02:29:23PM +0800, Cindy Lu wrote: > > On Fri, May 5, 2023 at 11:29 AM Jason Wang wrote: > > > > > > Hi Cindy > > > > > > On Wed, May 3, 2023 at 5:13 PM Cindy Lu

[PATCH v16 1/4] vhost: expose function vhost_dev_has_iommu()

2023-05-09 Thread Cindy Lu
To support vIOMMU in vdpa, need to exposed the function vhost_dev_has_iommu, vdpa will use this function to check if vIOMMU enable. Signed-off-by: Cindy Lu --- hw/virtio/vhost.c | 2 +- include/hw/virtio/vhost.h | 1 + 2 files changed, 2 insertions(+), 1 deletion(-) diff --git a/hw

[PATCH v16 4/4] vhost-vdpa: Add support for vIOMMU.

2023-05-09 Thread Cindy Lu
vhost_vdpa_dev_start, if the SVQ and IOMMU enable at the same time the function will return fail. 2. Skip the iova_max check vhost_vdpa_listener_skipped_section(). While MR is IOMMU, move this check to vhost_vdpa_iommu_map_notify() Verified in vp_vdpa and vdpa_sim_net driver Signed-off-by: Cindy Lu --- hw

[PATCH v16 3/4] vhost-vdpa: Add check for full 64-bit in region delete

2023-05-09 Thread Cindy Lu
The unmap ioctl doesn't accept a full 64-bit span. So need to add check for the section's size in vhost_vdpa_listener_region_del(). Signed-off-by: Cindy Lu --- hw/virtio/vhost-vdpa.c | 20 +++- 1 file changed, 19 insertions(+), 1 deletion(-) diff --git a/hw/virtio/vh

[PATCH v16 0/4] vhost-vdpa: add support for vIOMMU

2023-05-09 Thread Cindy Lu
changes in V16 remove the batch mode operation in vIOMMU MR Cindy Lu (4): vhost: expose function vhost_dev_has_iommu() vhost_vdpa: fix the input in trace_vhost_vdpa_listener_region_del() vhost-vdpa: Add check for full 64-bit in region delete vhost-vdpa: Add support for vIOMMU. hw/virtio/vhost

[PATCH v16 2/4] vhost_vdpa: fix the input in trace_vhost_vdpa_listener_region_del()

2023-05-09 Thread Cindy Lu
In trace_vhost_vdpa_listener_region_del, the value for llend should change to int128_get64(int128_sub(llend, int128_one())) Signed-off-by: Cindy Lu --- hw/virtio/vhost-vdpa.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/hw/virtio/vhost-vdpa.c b/hw/virtio/vhost-vdpa.c

Re: [RFC 0/7] vhost-vdpa: add support for iommufd

2023-05-04 Thread Cindy Lu
On Fri, May 5, 2023 at 11:29 AM Jason Wang wrote: > > Hi Cindy > > On Wed, May 3, 2023 at 5:13 PM Cindy Lu wrote: > > > > Hi All > > There is the RFC to support the IOMMUFD in vdpa device > > any comments are welcome > > Thanks > > Cindy > &g

[RFC 5/7] vhost-vdpa: Add the iommufd support in the map/unmap function

2023-05-03 Thread Cindy Lu
egacy iotlb message if iommufd enable Signed-off-by: Cindy Lu --- hw/virtio/vhost-vdpa.c | 56 ++ include/hw/virtio/vhost-vdpa.h | 24 +++ 2 files changed, 74 insertions(+), 6 deletions(-) diff --git a/hw/virtio/vhost-vdpa.c b/hw/virtio/vhost-v

[RFC 2/7] qapi: support iommufd in vdpa

2023-05-03 Thread Cindy Lu
Add a new option for iommufd, The usage is -object iommufd,id=iommufd0 \ -device virtio-net-pci,netdev=vhost-vdpa1,disable-legacy=on,disable-modern=off\ -netdev type=vhost-vdpa,vhostdev=/dev/vhost-vdpa-0,id=vhost-vdpa1,iommufd=iommufd0\ ... Signed-off-by: Cindy Lu --- qapi/net.json | 1

[RFC 7/7] vhost-vdpa-iommufd: Add iommufd support for vdpa

2023-05-03 Thread Cindy Lu
f this is the new asid,  get the new ioas_id and attach it to iommufd.        save this information in vdpa_iommufd.    c. Use the ioas_id for mapping    The unmap logic is the same Signed-off-by: Cindy Lu --- hw/virtio/meson.build | 2 +- hw/virtio/vhost-vdpa-iommufd.c

[RFC 1/7] vhost: introduce new UAPI to support IOMMUFD

2023-05-03 Thread Cindy Lu
Add 3 new UAPI VHOST_VDPA_SET_IOMMU_FD: this to bind the vdpa device to iommufd VDPA_DEVICE_ATTACH_IOMMUFD_AS: attach new ioas to iommufd VDPA_DEVICE_DTTACH_IOMMUFD_AS: detach all the ioas from iommufd Signed-off-by: Cindy Lu --- linux-headers/linux/vhost.h | 72

[RFC 4/7] net/vhost-vdpa: Add the check for iommufd

2023-05-03 Thread Cindy Lu
Add the check for object iommufd, if the iommfd enabled. pass the information to vhost_vdpa. vhost_vdpa dev start will check this bool and connect to the iommufd Signed-off-by: Cindy Lu --- net/vhost-vdpa.c | 31 +-- 1 file changed, 17 insertions(+), 14 deletions

[RFC 6/7] vhost-vdpa: init iommufd function in vhost_vdpa start

2023-05-03 Thread Cindy Lu
Add support for iommufd, init the vdpa_iommufd in vdpa_start in this step, driver will bind to the iommufd device and attach the default ASID(asid 0) to iommufd Signed-off-by: Cindy Lu --- hw/virtio/vhost-vdpa.c | 18 ++ 1 file changed, 18 insertions(+) diff --git a/hw/virtio

[RFC 0/7] vhost-vdpa: add support for iommufd

2023-05-03 Thread Cindy Lu
Hi All There is the RFC to support the IOMMUFD in vdpa device any comments are welcome Thanks Cindy Cindy Lu (7): vhost: introduce new UAPI to support IOMMUFD qapi: support iommufd in vdpa virtio : add a ptr for vdpa_iommufd in VirtIODevice net/vhost-vdpa: Add the check for iommufd

[RFC 3/7] virtio : add a ptr for vdpa_iommufd in VirtIODevice

2023-05-03 Thread Cindy Lu
write Signed-off-by: Cindy Lu --- include/hw/virtio/vhost-vdpa.h | 23 +++ include/hw/virtio/virtio.h | 5 + 2 files changed, 28 insertions(+) diff --git a/include/hw/virtio/vhost-vdpa.h b/include/hw/virtio/vhost-vdpa.h index 7997f09a8d..309d4ffc70 100644 --- a

Re: [PATCH v15 4/4] vhost-vdpa: Add support for vIOMMU.

2023-03-23 Thread Cindy Lu
On Fri, Mar 24, 2023 at 10:49 AM Jason Wang wrote: > > On Thu, Mar 23, 2023 at 4:41 PM Cindy Lu wrote: > > > > On Thu, Mar 23, 2023 at 11:47 AM Jason Wang wrote: > > > > > > On Tue, Mar 21, 2023 at 10:24 PM Cindy Lu wrote: > > > > > > >

Re: [PATCH v15 4/4] vhost-vdpa: Add support for vIOMMU.

2023-03-23 Thread Cindy Lu
On Thu, Mar 23, 2023 at 11:47 AM Jason Wang wrote: > > On Tue, Mar 21, 2023 at 10:24 PM Cindy Lu wrote: > > > > 1. The vIOMMU support will make vDPA can work in IOMMU mode. This > > will fix security issues while using the no-IOMMU mode. > > To support this featur

[PATCH v15 2/4] vhost_vdpa: fix the input in trace_vhost_vdpa_listener_region_del()

2023-03-21 Thread Cindy Lu
In trace_vhost_vdpa_listener_region_del, the value for llend should change to int128_get64(int128_sub(llend, int128_one())) Signed-off-by: Cindy Lu --- hw/virtio/vhost-vdpa.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/hw/virtio/vhost-vdpa.c b/hw/virtio/vhost-vdpa.c

[PATCH v15 4/4] vhost-vdpa: Add support for vIOMMU.

2023-03-21 Thread Cindy Lu
vhost_vdpa_dev_start, if the SVQ and IOMMU enable at the same time the function will return fail. 2. Skip the iova_max check vhost_vdpa_listener_skipped_section(). While MR is IOMMU, move this check to vhost_vdpa_iommu_map_notify() Verified in vp_vdpa and vdpa_sim_net driver Signed-off-by: Cindy Lu --- hw

[PATCH v15 1/4] vhost: expose function vhost_dev_has_iommu()

2023-03-21 Thread Cindy Lu
To support vIOMMU in vdpa, need to exposed the function vhost_dev_has_iommu, vdpa will use this function to check if vIOMMU enable. Signed-off-by: Cindy Lu --- hw/virtio/vhost.c | 2 +- include/hw/virtio/vhost.h | 1 + 2 files changed, 2 insertions(+), 1 deletion(-) diff --git a/hw

[PATCH v15 3/4] vhost-vdpa: Add check for full 64-bit in region delete

2023-03-21 Thread Cindy Lu
The unmap ioctl doesn't accept a full 64-bit span. So need to add check for the section's size in vhost_vdpa_listener_region_del(). Signed-off-by: Cindy Lu --- hw/virtio/vhost-vdpa.c | 20 +++- 1 file changed, 19 insertions(+), 1 deletion(-) diff --git a/hw/virtio/vh

[PATCH v15 0/4] vhost-vdpa: add support for vIOMMU

2023-03-21 Thread Cindy Lu
crash found in test changes in V12 Address the comments, squash patch 1 into the next patch improve the code style issue changes in V13 fail to start if IOMMU and svq enable at same time improve the code style issue changes in V14 Address the comments changes in V15 Address the comments Cindy

Re: [PATCH v14 4/4] vhost-vdpa: Add support for vIOMMU.

2023-03-21 Thread Cindy Lu
On Tue, Mar 21, 2023 at 11:21 AM Jason Wang wrote: > > On Tue, Mar 21, 2023 at 12:20 AM Cindy Lu wrote: > > > > 1. The vIOMMU support will make vDPA can work in IOMMU mode. This > > will fix security issues while using the no-IOMMU mode. > > To support this featur

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