[v1] virtio: features,fixes

[PULL 53/91] vhost-user: enable frontends on any POSIX system

Michael S. Tsirkin posted 91 patches 3 months, 2 weeks ago

Diff against v1 v2 v2 v3 v3
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Maintainers: David Hildenbrand <david@redhat.com>, Igor Mammedov <imammedo@redhat.com>, Raphael Norwitz <raphael@enfabrica.net>, "Michael S. Tsirkin" <mst@redhat.com>, Gerd Hoffmann <kraxel@redhat.com>, Marcel Apfelbaum <marcel.apfelbaum@gmail.com>, Shannon Zhao <shannon.zhaosl@gmail.com>, Ani Sinha <anisinha@redhat.com>, Peter Maydell <peter.maydell@linaro.org>, Paolo Bonzini <pbonzini@redhat.com>, Kevin Wolf <kwolf@redhat.com>, Hanna Reitz <hreitz@redhat.com>, Eduardo Habkost <eduardo@habkost.net>, "Philippe Mathieu-Daudé" <philmd@linaro.org>, Yanan Wang <wangyanan55@huawei.com>, Jonathan Cameron <jonathan.cameron@huawei.com>, Fan Ni <fan.ni@samsung.com>, "Marc-André Lureau" <marcandre.lureau@redhat.com>, Richard Henderson <richard.henderson@linaro.org>, Sergio Lopez <slp@redhat.com>, Akihiko Odaki <akihiko.odaki@daynix.com>, Sriram Yagnaraman <sriram.yagnaraman@ericsson.com>, Jason Wang <jasowang@redhat.com>, Keith Busch <kbusch@kernel.org>, Klaus Jensen <its@irrelevant.dk>, Jesper Devantier <foss@defmacro.it>, Nicholas Piggin <npiggin@gmail.com>, Daniel Henrique Barboza <danielhb413@gmail.com>, David Gibson <david@gibson.dropbear.id.au>, Harsh Prateek Bora <harshpb@linux.ibm.com>, Ilya Leoshkevich <iii@linux.ibm.com>, Halil Pasic <pasic@linux.ibm.com>, Christian Borntraeger <borntraeger@linux.ibm.com>, Eric Farman <farman@linux.ibm.com>, Thomas Huth <thuth@redhat.com>, Fam Zheng <fam@euphon.net>, "Alex Bennée" <alex.bennee@linaro.org>, Stefan Hajnoczi <stefanha@redhat.com>, Eric Auger <eric.auger@redhat.com>, Stefano Stabellini <sstabellini@kernel.org>, Anthony PERARD <anthony@xenproject.org>, Paul Durrant <paul@xen.org>, Cornelia Huck <cohuck@redhat.com>, "Daniel P. Berrangé" <berrange@redhat.com>, Eric Blake <eblake@redhat.com>, Markus Armbruster <armbru@redhat.com>, Marcelo Tosatti <mtosatti@redhat.com>, David Woodhouse <dwmw2@infradead.org>, Laurent Vivier <lvivier@redhat.com>, Coiby Xu <Coiby.Xu@gmail.com>

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[PULL 53/91] vhost-user: enable frontends on any POSIX system

Posted by Michael S. Tsirkin 3 months, 2 weeks ago

From: Stefano Garzarella <sgarzare@redhat.com>

The vhost-user protocol is not really Linux-specific so let's enable
vhost-user frontends for any POSIX system.

In vhost_net.c we use VHOST_FILE_UNBIND which is defined in a Linux
specific header, let's define it for other systems as well.

Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Tested-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Acked-by: Stefan Hajnoczi <stefanha@redhat.com>
Reviewed-by: David Hildenbrand <david@redhat.com>
Signed-off-by: Stefano Garzarella <sgarzare@redhat.com>
Message-Id: <20240618100455.145733-1-sgarzare@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
---
 hw/net/vhost_net.c | 5 +++++
 hw/block/Kconfig   | 2 +-
 meson.build        | 1 -
 3 files changed, 6 insertions(+), 2 deletions(-)

diff --git a/hw/net/vhost_net.c b/hw/net/vhost_net.c
index 18898afe81..d25b1bc839 100644
--- a/hw/net/vhost_net.c
+++ b/hw/net/vhost_net.c
@@ -34,8 +34,13 @@
 #include "standard-headers/linux/virtio_ring.h"
 #include "hw/virtio/vhost.h"
 #include "hw/virtio/virtio-bus.h"
+#if defined(__linux__)
 #include "linux-headers/linux/vhost.h"
+#endif
 
+#ifndef VHOST_FILE_UNBIND
+#define VHOST_FILE_UNBIND -1
+#endif
 
 /* Features supported by host kernel. */
 static const int kernel_feature_bits[] = {
diff --git a/hw/block/Kconfig b/hw/block/Kconfig
index 9e8f28f982..29ee09e434 100644
--- a/hw/block/Kconfig
+++ b/hw/block/Kconfig
@@ -40,7 +40,7 @@ config VHOST_USER_BLK
     bool
     # Only PCI devices are provided for now
     default y if VIRTIO_PCI
-    depends on VIRTIO && VHOST_USER && LINUX
+    depends on VIRTIO && VHOST_USER
 
 config SWIM
     bool
diff --git a/meson.build b/meson.build
index 54e6b09f4f..98db5ea322 100644
--- a/meson.build
+++ b/meson.build
@@ -151,7 +151,6 @@ have_tpm = get_option('tpm') \
 
 # vhost
 have_vhost_user = get_option('vhost_user') \
-  .disable_auto_if(host_os != 'linux') \
   .require(host_os != 'windows',
            error_message: 'vhost-user is not available on Windows').allowed()
 have_vhost_vdpa = get_option('vhost_vdpa') \
-- 
MST