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

[PULL 19/51] vhost-vdpa: add support for config 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 19/51] vhost-vdpa: add support for config interrupt

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

From: Cindy Lu <lulu@redhat.com>

Add new call back function in vhost-vdpa, The function
vhost_set_config_call can set the event fd to kernel.
This function will be called in the vhost_dev_start
and vhost_dev_stop

Signed-off-by: Cindy Lu <lulu@redhat.com>
Message-Id: <20221222070451.936503-6-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>
---
 hw/virtio/vhost-vdpa.c | 8 ++++++++
 hw/virtio/trace-events | 1 +
 2 files changed, 9 insertions(+)

diff --git a/hw/virtio/vhost-vdpa.c b/hw/virtio/vhost-vdpa.c
index fd0c33b0e1..fcb1e96316 100644
--- a/hw/virtio/vhost-vdpa.c
+++ b/hw/virtio/vhost-vdpa.c
@@ -716,6 +716,13 @@ static int vhost_vdpa_set_vring_ready(struct vhost_dev *dev)
     return 0;
 }
 
+static int vhost_vdpa_set_config_call(struct vhost_dev *dev,
+                                       int fd)
+{
+    trace_vhost_vdpa_set_config_call(dev, fd);
+    return vhost_vdpa_call(dev, VHOST_VDPA_SET_CONFIG_CALL, &fd);
+}
+
 static void vhost_vdpa_dump_config(struct vhost_dev *dev, const uint8_t *config,
                                    uint32_t config_len)
 {
@@ -1298,4 +1305,5 @@ const VhostOps vdpa_ops = {
         .vhost_get_device_id = vhost_vdpa_get_device_id,
         .vhost_vq_get_addr = vhost_vdpa_vq_get_addr,
         .vhost_force_iommu = vhost_vdpa_force_iommu,
+        .vhost_set_config_call = vhost_vdpa_set_config_call,
 };
diff --git a/hw/virtio/trace-events b/hw/virtio/trace-events
index 96da58a41f..a87c5f39a2 100644
--- a/hw/virtio/trace-events
+++ b/hw/virtio/trace-events
@@ -62,6 +62,7 @@ vhost_vdpa_get_features(void *dev, uint64_t features) "dev: %p features: 0x%"PRI
 vhost_vdpa_set_owner(void *dev) "dev: %p"
 vhost_vdpa_vq_get_addr(void *dev, void *vq, uint64_t desc_user_addr, uint64_t avail_user_addr, uint64_t used_user_addr) "dev: %p vq: %p desc_user_addr: 0x%"PRIx64" avail_user_addr: 0x%"PRIx64" used_user_addr: 0x%"PRIx64
 vhost_vdpa_get_iova_range(void *dev, uint64_t first, uint64_t last) "dev: %p first: 0x%"PRIx64" last: 0x%"PRIx64
+vhost_vdpa_set_config_call(void *dev, int fd)"dev: %p fd: %d"
 
 # virtio.c
 virtqueue_alloc_element(void *elem, size_t sz, unsigned in_num, unsigned out_num) "elem %p size %zd in_num %u out_num %u"
-- 
MST