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From: Dragos Tatulea <dtatulea@nvidia.com>
To: "Michael S . Tsirkin" <mst@redhat.com>, Jason Wang <jasowang@redhat.com>,
	Eugenio Perez Martin <eperezma@redhat.com>, Si-Wei Liu
	<si-wei.liu@oracle.com>, Saeed Mahameed <saeedm@nvidia.com>, Leon Romanovsky
	<leon@kernel.org>, <virtualization@lists.linux-foundation.org>, Gal Pressman
	<gal@nvidia.com>
CC: Dragos Tatulea <dtatulea@nvidia.com>, <kvm@vger.kernel.org>,
	<linux-kernel@vger.kernel.org>, Parav Pandit <parav@nvidia.com>, Xuan Zhuo
	<xuanzhuo@linux.alibaba.com>
Subject: [PATCH vhost v4 04/15] vdpa: Accept VHOST_BACKEND_F_CHANGEABLE_VQ_ADDR_IN_SUSPEND backend feature
Date: Tue, 19 Dec 2023 20:08:47 +0200
Message-ID: <20231219180858.120898-5-dtatulea@nvidia.com>
In-Reply-To: <20231219180858.120898-1-dtatulea@nvidia.com>
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If userland sets this feature, allow it.

Signed-off-by: Dragos Tatulea <dtatulea@nvidia.com>
Suggested-by: Eugenio Pérez <eperezma@redhat.com>
---
 drivers/vhost/vdpa.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/vhost/vdpa.c b/drivers/vhost/vdpa.c
index da7ec77cdaff..2250fcd90e5b 100644
--- a/drivers/vhost/vdpa.c
+++ b/drivers/vhost/vdpa.c
@@ -749,6 +749,7 @@ static long vhost_vdpa_unlocked_ioctl(struct file *filep,
 				 BIT_ULL(VHOST_BACKEND_F_IOTLB_PERSIST) |
 				 BIT_ULL(VHOST_BACKEND_F_SUSPEND) |
 				 BIT_ULL(VHOST_BACKEND_F_RESUME) |
+				 BIT_ULL(VHOST_BACKEND_F_CHANGEABLE_VQ_ADDR_IN_SUSPEND) |
 				 BIT_ULL(VHOST_BACKEND_F_ENABLE_AFTER_DRIVER_OK)))
 			return -EOPNOTSUPP;
 		if ((features & BIT_ULL(VHOST_BACKEND_F_SUSPEND)) &&
-- 
2.43.0