git: f9a4dd60b0cf - main - virtio: Add feature bit definitions up to VirtIO v1.3

The branch main has been updated by ngie:

URL: https://cgit.FreeBSD.org/src/commit/?id=f9a4dd60b0cf4ce920a83b125f81ee401fc471ce

commit f9a4dd60b0cf4ce920a83b125f81ee401fc471ce
Author:     Faraz Vahedi <kfv@kfv.io>
AuthorDate: 2026-07-09 20:00:07 +0000
Commit:     Enji Cooper <ngie@FreeBSD.org>
CommitDate: 2026-07-15 06:57:40 +0000

    virtio: Add feature bit definitions up to VirtIO v1.3
    
    Signed-off-by: Faraz Vahedi <kfv@kfv.io>
    Reviewed-by: ngie
    Pull-Request: https://github.com/freebsd/freebsd-src/pull/2319
---
 sys/dev/virtio/virtio.c        |  8 ++++++++
 sys/dev/virtio/virtio_config.h | 28 ++++++++++++++++++++++++++--
 2 files changed, 34 insertions(+), 2 deletions(-)

diff --git a/sys/dev/virtio/virtio.c b/sys/dev/virtio/virtio.c
index be5edcafa7ff..a032bfc20499 100644
--- a/sys/dev/virtio/virtio.c
+++ b/sys/dev/virtio/virtio.c
@@ -87,6 +87,14 @@ static struct virtio_feature_desc virtio_common_feature_desc[] = {
 	{ VIRTIO_F_BAD_FEATURE,		"BadFeature"		}, /* Legacy */
 	{ VIRTIO_F_VERSION_1,		"Version1"		},
 	{ VIRTIO_F_IOMMU_PLATFORM,	"IOMMUPlatform"		},
+	{ VIRTIO_F_RING_PACKED,		"RingPacked"		},
+	{ VIRTIO_F_IN_ORDER,		"InOrder"		},
+	{ VIRTIO_F_ORDER_PLATFORM,	"OrderPlatform"		},
+	{ VIRTIO_F_SR_IOV,		"SRIOV"			},
+	{ VIRTIO_F_NOTIFICATION_DATA,	"NotificationData"	},
+	{ VIRTIO_F_NOTIF_CONFIG_DATA,	"NotifConfigData"	},
+	{ VIRTIO_F_RING_RESET,		"RingReset"		},
+	{ VIRTIO_F_ADMIN_VQ,		"AdminVq"		},
 
 	{ 0, NULL }
 };
diff --git a/sys/dev/virtio/virtio_config.h b/sys/dev/virtio/virtio_config.h
index 02765490ed27..ce6e96a223d4 100644
--- a/sys/dev/virtio/virtio_config.h
+++ b/sys/dev/virtio/virtio_config.h
@@ -63,10 +63,10 @@
  * The guest should never negotiate this feature; it
  * is used to detect faulty drivers.
  */
-#define VIRTIO_F_BAD_FEATURE	(1UL << 30)
+#define VIRTIO_F_BAD_FEATURE		(1UL << 30)
 
 /* v1.0 compliant. */
-#define VIRTIO_F_VERSION_1	(1ULL << 32)
+#define VIRTIO_F_VERSION_1		(1ULL << 32)
 
 /*
  * If clear - device has the IOMMU bypass quirk feature.
@@ -77,6 +77,30 @@
  */
 #define VIRTIO_F_IOMMU_PLATFORM		(1ULL << 33)
 
+/* Support for packed virtqueues. */
+#define VIRTIO_F_RING_PACKED		(1ULL << 34)
+
+/* Device may behave as if IN_ORDER was negotiated. */
+#define VIRTIO_F_IN_ORDER		(1ULL << 35)
+
+/* Memory accesses are ordered by the platform. */
+#define VIRTIO_F_ORDER_PLATFORM		(1ULL << 36)
+
+/* Device supports Single Root I/O Virtualization. */
+#define VIRTIO_F_SR_IOV			(1ULL << 37)
+
+/* Driver passes extra data in device notifications. */
+#define VIRTIO_F_NOTIFICATION_DATA	(1ULL << 38)
+
+/* Driver uses the data provided by the device as a virtqueue identifier. */
+#define VIRTIO_F_NOTIF_CONFIG_DATA	(1ULL << 39)
+
+/* Driver can reset a queue individually. */
+#define VIRTIO_F_RING_RESET		(1ULL << 40)
+
+/* Device supports an administration virtqueue. */
+#define VIRTIO_F_ADMIN_VQ		(1ULL << 41)
+
 /*
  * Some VirtIO feature bits (currently bits 28 through 34) are
  * reserved for the transport being used (eg. virtio_ring), the