50 lines
1.9 KiB
Diff
50 lines
1.9 KiB
Diff
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From 3fe9a15feba924675ffcc5b797185091cfb8a007 Mon Sep 17 00:00:00 2001
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From: libai <libai12@huawei.com>
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Date: Mon, 4 Dec 2023 14:49:53 +0800
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Subject: [PATCH] vhost-vdpa: add VHOST_BACKEND_F_BYTEMAPLOG
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support VHOST_BACKEND_F_BYTEMAPLOG to support vhost
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device bytemap logging.
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Signed-off-by: libai <libai12@huawei.com>
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---
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hw/virtio/vhost-vdpa.c | 9 +++++----
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include/standard-headers/linux/vhost_types.h | 2 ++
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2 files changed, 7 insertions(+), 4 deletions(-)
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diff --git a/hw/virtio/vhost-vdpa.c b/hw/virtio/vhost-vdpa.c
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index 819b2d811a..ce8ff7f417 100644
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--- a/hw/virtio/vhost-vdpa.c
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+++ b/hw/virtio/vhost-vdpa.c
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@@ -829,10 +829,11 @@ static int vhost_vdpa_set_features(struct vhost_dev *dev,
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static int vhost_vdpa_set_backend_cap(struct vhost_dev *dev)
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{
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uint64_t features;
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- uint64_t f = 0x1ULL << VHOST_BACKEND_F_IOTLB_MSG_V2 |
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- 0x1ULL << VHOST_BACKEND_F_IOTLB_BATCH |
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- 0x1ULL << VHOST_BACKEND_F_IOTLB_ASID |
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- 0x1ULL << VHOST_BACKEND_F_SUSPEND;
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+ uint64_t f = BIT_ULL(VHOST_BACKEND_F_IOTLB_MSG_V2) |
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+ BIT_ULL(VHOST_BACKEND_F_IOTLB_BATCH) |
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+ BIT_ULL(VHOST_BACKEND_F_IOTLB_ASID) |
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+ BIT_ULL(VHOST_BACKEND_F_SUSPEND) |
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+ BIT_ULL(VHOST_BACKEND_F_BYTEMAPLOG);
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int r;
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if (vhost_vdpa_call(dev, VHOST_GET_BACKEND_FEATURES, &features)) {
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diff --git a/include/standard-headers/linux/vhost_types.h b/include/standard-headers/linux/vhost_types.h
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index fd54044936..46fc53cd83 100644
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--- a/include/standard-headers/linux/vhost_types.h
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+++ b/include/standard-headers/linux/vhost_types.h
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@@ -192,5 +192,7 @@ struct vhost_vdpa_iova_range {
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#define VHOST_BACKEND_F_DESC_ASID 0x7
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/* IOTLB don't flush memory mapping across device reset */
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#define VHOST_BACKEND_F_IOTLB_PERSIST 0x8
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+/* device can use bytemap log */
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+#define VHOST_BACKEND_F_BYTEMAPLOG 0x3f
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#endif
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--
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2.27.0
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