linux-kernel - [PATCH] vhost: Add uAPI for Vhost SCMI backend

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Date:   Mon, 13 Feb 2023 10:04:17 +0530
From:   Neeraj Upadhyay <quic_neeraju@...cinc.com>
To:     <mst@...hat.com>, <jasowang@...hat.com>
CC:     <kvm@...r.kernel.org>, <virtualization@...ts.linux-foundation.org>,
        <netdev@...r.kernel.org>, <linux-kernel@...r.kernel.org>,
        <linux-arm-msm@...r.kernel.org>, <quic_sramana@...cinc.com>,
        <quic_tsoni@...cinc.com>, <sudeep.holla@....com>,
        <vincent.guittot@...aro.org>, <Souvik.Chakravarty@....com>,
        <cristian.marussi@....com>,
        Neeraj Upadhyay <quic_neeraju@...cinc.com>
Subject: [PATCH] vhost: Add uAPI for Vhost SCMI backend

Add a uAPI for starting and stopping a SCMI vhost based
backend.

Signed-off-by: Neeraj Upadhyay <quic_neeraju@...cinc.com>
---

SCMI Vhost backend implementation is work in progress: https://lore.kernel.org/linux-arm-kernel/20220609071956.5183-1-quic_neeraju@quicinc.com/

 include/uapi/linux/vhost.h | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/include/uapi/linux/vhost.h b/include/uapi/linux/vhost.h
index 92e1b700b51c..80f589f35295 100644
--- a/include/uapi/linux/vhost.h
+++ b/include/uapi/linux/vhost.h
@@ -188,4 +188,7 @@
  */
 #define VHOST_VDPA_RESUME		_IO(VHOST_VIRTIO, 0x7E)
 
+/* VHOST_SCMI specific defines */
+#define VHOST_SCMI_SET_RUNNING          _IOW(VHOST_VIRTIO, 0x90, int)
+
 #endif
-- 
2.17.1