From: Sergio Lopez <slp@redhat.com> To: qemu-devel@nongnu.org Cc: "Christian Borntraeger" <borntraeger@linux.ibm.com>, "Alex Williamson" <alex.williamson@redhat.com>, "Cornelia Huck" <cohuck@redhat.com>, "Thomas Huth" <thuth@redhat.com>, "Paolo Bonzini" <pbonzini@redhat.com>, "Stefan Hajnoczi" <stefanha@redhat.com>, "Michael S. Tsirkin" <mst@redhat.com>, "David Hildenbrand" <david@redhat.com>, "Elena Ufimtseva" <elena.ufimtseva@oracle.com>, kvm@vger.kernel.org, "Halil Pasic" <pasic@linux.ibm.com>, "Fam Zheng" <fam@euphon.net>, "John G Johnson" <john.g.johnson@oracle.com>, "Richard Henderson" <richard.henderson@linaro.org>, "Matthew Rosato" <mjrosato@linux.ibm.com>, "Hanna Reitz" <hreitz@redhat.com>, "Philippe Mathieu-Daudé" <f4bug@amsat.org>, qemu-s390x@nongnu.org, vgoyal@redhat.com, "Jagannathan Raman" <jag.raman@oracle.com>, "Kevin Wolf" <kwolf@redhat.com>, qemu-block@nongnu.org, "Eric Farman" <farman@linux.ibm.com>, "Sergio Lopez" <slp@redhat.com> Subject: [PATCH v3 0/4] Enable vhost-user to be used on BSD systems Date: Thu, 3 Mar 2022 12:59:07 +0100 [thread overview] Message-ID: <20220303115911.20962-1-slp@redhat.com> (raw) Since QEMU is already able to emulate ioeventfd using pipefd, we're already pretty close to supporting vhost-user on non-Linux systems. This two patches bridge the gap by: 1. Adding a new event_notifier_get_wfd() to return wfd on the places where the peer is expected to write to the notifier. 2. Modifying the build system to it allows enabling vhost-user on BSD. v1->v2: - Drop: "Allow returning EventNotifier's wfd" (Alex Williamson) - Add: "event_notifier: add event_notifier_get_wfd()" (Alex Williamson) - Add: "vhost: use wfd on functions setting vring call fd" - Rename: "Allow building vhost-user in BSD" to "configure, meson: allow enabling vhost-user on all POSIX systems" - Instead of making possible enabling vhost-user on Linux and BSD systems, allow enabling it on all non-Windows platforms. (Paolo Bonzini) v2->v3: - Add a section to docs/interop/vhost-user.rst explaining how vhost-user is supported on non-Linux platforms. (Stefan Hajnoczi) Sergio Lopez (4): event_notifier: add event_notifier_get_wfd() vhost: use wfd on functions setting vring call fd configure, meson: allow enabling vhost-user on all POSIX systems docs: vhost-user: add subsection for non-Linux platforms configure | 4 ++-- docs/interop/vhost-user.rst | 18 ++++++++++++++++++ hw/virtio/vhost.c | 6 +++--- include/qemu/event_notifier.h | 1 + meson.build | 2 +- util/event_notifier-posix.c | 5 +++++ 6 files changed, 30 insertions(+), 6 deletions(-) -- 2.35.1
WARNING: multiple messages have this Message-ID (diff)
From: Sergio Lopez <slp@redhat.com> To: qemu-devel@nongnu.org Cc: "Elena Ufimtseva" <elena.ufimtseva@oracle.com>, "Fam Zheng" <fam@euphon.net>, "Matthew Rosato" <mjrosato@linux.ibm.com>, "John G Johnson" <john.g.johnson@oracle.com>, "David Hildenbrand" <david@redhat.com>, "Eric Farman" <farman@linux.ibm.com>, "Alex Williamson" <alex.williamson@redhat.com>, kvm@vger.kernel.org, qemu-block@nongnu.org, "Michael S. Tsirkin" <mst@redhat.com>, "Halil Pasic" <pasic@linux.ibm.com>, "Christian Borntraeger" <borntraeger@linux.ibm.com>, vgoyal@redhat.com, "Thomas Huth" <thuth@redhat.com>, "Sergio Lopez" <slp@redhat.com>, "Richard Henderson" <richard.henderson@linaro.org>, qemu-s390x@nongnu.org, "Stefan Hajnoczi" <stefanha@redhat.com>, "Jagannathan Raman" <jag.raman@oracle.com>, "Kevin Wolf" <kwolf@redhat.com>, "Cornelia Huck" <cohuck@redhat.com>, "Philippe Mathieu-Daudé" <f4bug@amsat.org>, "Hanna Reitz" <hreitz@redhat.com>, "Paolo Bonzini" <pbonzini@redhat.com> Subject: [PATCH v3 0/4] Enable vhost-user to be used on BSD systems Date: Thu, 3 Mar 2022 12:59:07 +0100 [thread overview] Message-ID: <20220303115911.20962-1-slp@redhat.com> (raw) Since QEMU is already able to emulate ioeventfd using pipefd, we're already pretty close to supporting vhost-user on non-Linux systems. This two patches bridge the gap by: 1. Adding a new event_notifier_get_wfd() to return wfd on the places where the peer is expected to write to the notifier. 2. Modifying the build system to it allows enabling vhost-user on BSD. v1->v2: - Drop: "Allow returning EventNotifier's wfd" (Alex Williamson) - Add: "event_notifier: add event_notifier_get_wfd()" (Alex Williamson) - Add: "vhost: use wfd on functions setting vring call fd" - Rename: "Allow building vhost-user in BSD" to "configure, meson: allow enabling vhost-user on all POSIX systems" - Instead of making possible enabling vhost-user on Linux and BSD systems, allow enabling it on all non-Windows platforms. (Paolo Bonzini) v2->v3: - Add a section to docs/interop/vhost-user.rst explaining how vhost-user is supported on non-Linux platforms. (Stefan Hajnoczi) Sergio Lopez (4): event_notifier: add event_notifier_get_wfd() vhost: use wfd on functions setting vring call fd configure, meson: allow enabling vhost-user on all POSIX systems docs: vhost-user: add subsection for non-Linux platforms configure | 4 ++-- docs/interop/vhost-user.rst | 18 ++++++++++++++++++ hw/virtio/vhost.c | 6 +++--- include/qemu/event_notifier.h | 1 + meson.build | 2 +- util/event_notifier-posix.c | 5 +++++ 6 files changed, 30 insertions(+), 6 deletions(-) -- 2.35.1
next reply other threads:[~2022-03-03 12:00 UTC|newest] Thread overview: 20+ messages / expand[flat|nested] mbox.gz Atom feed top 2022-03-03 11:59 Sergio Lopez [this message] 2022-03-03 11:59 ` [PATCH v3 0/4] Enable vhost-user to be used on BSD systems Sergio Lopez 2022-03-03 11:59 ` [PATCH v3 1/4] event_notifier: add event_notifier_get_wfd() Sergio Lopez 2022-03-03 11:59 ` Sergio Lopez 2022-03-03 11:59 ` [PATCH v3 2/4] vhost: use wfd on functions setting vring call fd Sergio Lopez 2022-03-03 11:59 ` Sergio Lopez 2022-03-03 11:59 ` [PATCH v3 3/4] configure, meson: allow enabling vhost-user on all POSIX systems Sergio Lopez 2022-03-03 11:59 ` Sergio Lopez 2022-03-03 11:59 ` [PATCH v3 4/4] docs: vhost-user: add subsection for non-Linux platforms Sergio Lopez 2022-03-03 11:59 ` Sergio Lopez 2022-03-03 14:34 ` Stefan Hajnoczi 2022-03-03 14:34 ` Stefan Hajnoczi 2022-03-04 10:35 ` Michael S. Tsirkin 2022-03-04 10:35 ` Michael S. Tsirkin 2022-03-04 10:50 ` Sergio Lopez 2022-03-04 10:50 ` Sergio Lopez 2022-03-03 14:35 ` [PATCH v3 0/4] Enable vhost-user to be used on BSD systems Stefan Hajnoczi 2022-03-03 14:35 ` Stefan Hajnoczi 2022-03-04 10:38 ` Michael S. Tsirkin 2022-03-04 10:38 ` Michael S. Tsirkin
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