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From: weimin xiong <15927021679@163.com>
To: mst@redhat.com
Cc: jasowang@redhat.com, virtualization@lists.linux.dev,
	xiongweimin <xiongweimin@kylinos.cn>
Subject: [PATCH] vdpa_sim: Document planned packed-ring support
Date: Mon, 13 Jul 2026 17:59:47 +0800	[thread overview]
Message-ID: <20260713095947.100728-1-15927021679@163.com> (raw)

From: xiongweimin <xiongweimin@kylinos.cn>

Note that VIRTIO_F_RING_PACKED should be advertised once vringh packed
helpers exist. No functional change.

Signed-off-by: xiongweimin <xiongweimin@kylinos.cn>
Cc: Michael S. Tsirkin <mst@redhat.com>
Cc: Jason Wang <jasowang@redhat.com>
Cc: virtualization@lists.linux.dev
---

--- a/drivers/vdpa/vdpa_sim/vdpa_sim.h
+++ b/drivers/vdpa/vdpa_sim/vdpa_sim.h
@@ -13,6 +13,10 @@
 #include <linux/vhost_iotlb.h>
 #include <uapi/linux/virtio_config.h>
 
+/*
+ * Once vringh packed helpers land, also advertise VIRTIO_F_RING_PACKED
+ * here so vdpa_sim can exercise HW-like packed rings.
+ */
 #define VDPASIM_FEATURES	((1ULL << VIRTIO_F_ANY_LAYOUT) | \
 				 (1ULL << VIRTIO_F_VERSION_1)  | \
 				 (1ULL << VIRTIO_F_ACCESS_PLATFORM))


             reply	other threads:[~2026-07-13 10:00 UTC|newest]

Thread overview: 2+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2026-07-13  9:59 weimin xiong [this message]
  -- strict thread matches above, loose matches on Subject: below --
2026-07-13 10:00 [PATCH] vdpa_sim: Document planned packed-ring support weimin xiong

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