[v1] virtio,pc,pci: features, cleanups, fixes

[PULL 22/51] virtio-net: add support for configure interrupt

Michael S. Tsirkin posted 51 patches 2 years, 11 months ago

Diff against v1 v1 v1 v1 v1 v1 v1 v2 v4
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Maintainers: Warner Losh <imp@bsdimp.com>, Kyle Evans <kevans@freebsd.org>, "Philippe Mathieu-Daudé" <philmd@linaro.org>, "Daniel P. Berrangé" <berrange@redhat.com>, "Michael S. Tsirkin" <mst@redhat.com>, Igor Mammedov <imammedo@redhat.com>, Ani Sinha <ani@anisinha.ca>, Richard Henderson <richard.henderson@linaro.org>, Gerd Hoffmann <kraxel@redhat.com>, Paolo Bonzini <pbonzini@redhat.com>, "Marc-André Lureau" <marcandre.lureau@redhat.com>, Eduardo Habkost <eduardo@habkost.net>, Marcel Apfelbaum <marcel.apfelbaum@gmail.com>, Yanan Wang <wangyanan55@huawei.com>, BALATON Zoltan <balaton@eik.bme.hu>, Stefano Stabellini <sstabellini@kernel.org>, Anthony Perard <anthony.perard@citrix.com>, Paul Durrant <paul@xen.org>, John Snow <jsnow@redhat.com>, Alberto Garcia <berto@igalia.com>, Corey Minyard <minyard@acm.org>, "Hervé Poussineau" <hpoussin@reactos.org>, Aurelien Jarno <aurelien@aurel32.net>, Pavel Pisa <pisa@cmp.felk.cvut.cz>, Vikram Garhwal <fnu.vikram@xilinx.com>, Jason Wang <jasowang@redhat.com>, Dmitry Fleytman <dmitry.fleytman@gmail.com>, Stefan Weil <sw@weilnetz.de>, Jiri Pirko <jiri@resnulli.us>, Sven Schnelle <svens@stackframe.org>, Keith Busch <kbusch@kernel.org>, Klaus Jensen <its@irrelevant.dk>, Huacai Chen <chenhuacai@kernel.org>, Jiaxun Yang <jiaxun.yang@flygoat.com>, Helge Deller <deller@gmx.de>, Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk>, Yoshinori Sato <ysato@users.sourceforge.jp>, Magnus Damm <magnus.damm@gmail.com>, Peter Maydell <peter.maydell@linaro.org>, Daniel Henrique Barboza <danielhb413@gmail.com>, "Cédric Le Goater" <clg@kaod.org>, David Gibson <david@gibson.dropbear.id.au>, Greg Kurz <groug@kaod.org>, Yuval Shaia <yuval.shaia.ml@gmail.com>, Matthew Rosato <mjrosato@linux.ibm.com>, Eric Farman <farman@linux.ibm.com>, Thomas Huth <thuth@redhat.com>, Halil Pasic <pasic@linux.ibm.com>, Christian Borntraeger <borntraeger@linux.ibm.com>, David Hildenbrand <david@redhat.com>, Ilya Leoshkevich <iii@linux.ibm.com>, Fam Zheng <fam@euphon.net>, Alex Williamson <alex.williamson@redhat.com>, "Dr. David Alan Gilbert" <dgilbert@redhat.com>, Stefan Hajnoczi <stefanha@redhat.com>, "Alex Bennée" <alex.bennee@linaro.org>, Viresh Kumar <viresh.kumar@linaro.org>, "Gonglei (Arei)" <arei.gonglei@huawei.com>, Beniamino Galvani <b.galvani@gmail.com>, Laurent Vivier <laurent@vivier.eu>, "Edgar E. Iglesias" <edgar.iglesias@gmail.com>, Ben Widawsky <ben.widawsky@intel.com>, Jonathan Cameron <jonathan.cameron@huawei.com>, Alistair Francis <Alistair.Francis@wdc.com>, Bin Meng <bin.meng@windriver.com>, Palmer Dabbelt <palmer@dabbelt.com>, Xiaojuan Yang <yangxiaojuan@loongson.cn>, Song Gao <gaosong@loongson.cn>, Francisco Iglesias <francisco.iglesias@amd.com>, Andrey Smirnov <andrew.smirnov@gmail.com>, Paul Burton <paulburton@kernel.org>, Aleksandar Rikalo <aleksandar.rikalo@syrmia.com>, Elena Ufimtseva <elena.ufimtseva@oracle.com>, Jagannathan Raman <jag.raman@oracle.com>, John G Johnson <john.g.johnson@oracle.com>, Bastian Koppelmann <kbastian@mail.uni-paderborn.de>, Riku Voipio <riku.voipio@iki.fi>, Michael Roth <michael.roth@amd.com>, Konstantin Kostiuk <kkostiuk@redhat.com>, Taylor Simpson <tsimpson@quicinc.com>, Alexander Bulekov <alxndr@bu.edu>, Bandan Das <bsd@redhat.com>, Darren Kenny <darren.kenny@oracle.com>, Qiuhao Li <Qiuhao.Li@outlook.com>

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[PULL 22/51] virtio-net: add support for configure interrupt

Posted by Michael S. Tsirkin 2 years, 11 months ago

From: Cindy Lu <lulu@redhat.com>

Add functions to support configure interrupt in virtio_net
Add the functions to support vhost_net_config_pending
and vhost_net_config_mask.

Signed-off-by: Cindy Lu <lulu@redhat.com>
Message-Id: <20221222070451.936503-9-lulu@redhat.com>
Acked-by: Jason Wang <jasowang@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
---
 include/net/vhost_net.h | 2 ++
 hw/net/vhost_net-stub.c | 9 +++++++++
 hw/net/vhost_net.c      | 9 +++++++++
 hw/net/virtio-net.c     | 4 ++--
 4 files changed, 22 insertions(+), 2 deletions(-)

diff --git a/include/net/vhost_net.h b/include/net/vhost_net.h
index dfb13756cd..c37aba35e6 100644
--- a/include/net/vhost_net.h
+++ b/include/net/vhost_net.h
@@ -39,6 +39,8 @@ int vhost_net_set_config(struct vhost_net *net, const uint8_t *data,
 bool vhost_net_virtqueue_pending(VHostNetState *net, int n);
 void vhost_net_virtqueue_mask(VHostNetState *net, VirtIODevice *dev,
                               int idx, bool mask);
+bool vhost_net_config_pending(VHostNetState *net);
+void vhost_net_config_mask(VHostNetState *net, VirtIODevice *dev, bool mask);
 int vhost_net_notify_migration_done(VHostNetState *net, char* mac_addr);
 VHostNetState *get_vhost_net(NetClientState *nc);
 
diff --git a/hw/net/vhost_net-stub.c b/hw/net/vhost_net-stub.c
index 66ed5f0b98..72df6d757e 100644
--- a/hw/net/vhost_net-stub.c
+++ b/hw/net/vhost_net-stub.c
@@ -82,6 +82,15 @@ void vhost_net_virtqueue_mask(VHostNetState *net, VirtIODevice *dev,
 {
 }
 
+bool vhost_net_config_pending(VHostNetState *net)
+{
+    return false;
+}
+
+void vhost_net_config_mask(VHostNetState *net, VirtIODevice *dev, bool mask)
+{
+}
+
 int vhost_net_notify_migration_done(struct vhost_net *net, char* mac_addr)
 {
     return -1;
diff --git a/hw/net/vhost_net.c b/hw/net/vhost_net.c
index 984b130e8f..c4eecc6f36 100644
--- a/hw/net/vhost_net.c
+++ b/hw/net/vhost_net.c
@@ -487,6 +487,15 @@ void vhost_net_virtqueue_mask(VHostNetState *net, VirtIODevice *dev,
     vhost_virtqueue_mask(&net->dev, dev, idx, mask);
 }
 
+bool vhost_net_config_pending(VHostNetState *net)
+{
+    return vhost_config_pending(&net->dev);
+}
+
+void vhost_net_config_mask(VHostNetState *net, VirtIODevice *dev, bool mask)
+{
+    vhost_config_mask(&net->dev, dev, mask);
+}
 VHostNetState *get_vhost_net(NetClientState *nc)
 {
     VHostNetState *vhost_net = 0;
diff --git a/hw/net/virtio-net.c b/hw/net/virtio-net.c
index 0bfe454c23..f191e3037f 100644
--- a/hw/net/virtio-net.c
+++ b/hw/net/virtio-net.c
@@ -3332,7 +3332,7 @@ static bool virtio_net_guest_notifier_pending(VirtIODevice *vdev, int idx)
      */
 
     if (idx == VIRTIO_CONFIG_IRQ_IDX) {
-        return false;
+        return vhost_net_config_pending(get_vhost_net(nc->peer));
     }
     return vhost_net_virtqueue_pending(get_vhost_net(nc->peer), idx);
 }
@@ -3364,9 +3364,9 @@ static void virtio_net_guest_notifier_mask(VirtIODevice *vdev, int idx,
      */
 
     if (idx == VIRTIO_CONFIG_IRQ_IDX) {
+        vhost_net_config_mask(get_vhost_net(nc->peer), vdev, mask);
         return;
     }
-
     vhost_net_virtqueue_mask(get_vhost_net(nc->peer), vdev, idx, mask);
 }
 
-- 
MST