linux-kernel - [RFC 1/4] vduse: Add the struct to save the vq reconnect info

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Date:   Wed, 28 Jun 2023 14:59:16 +0800
From:   Cindy Lu <lulu@...hat.com>
To:     lulu@...hat.com, jasowang@...hat.com, mst@...hat.com,
        maxime.coquelin@...hat.com, xieyongji@...edance.com,
        kvm@...r.kernel.org, linux-kernel@...r.kernel.org,
        virtualization@...ts.linux-foundation.org, netdev@...r.kernel.org
Subject: [RFC 1/4] vduse: Add the struct to save the vq reconnect info

From: Your Name <you@...mple.com>

this struct is to save the reconnect info struct, in this
struct saved the page info that alloc to save the
reconnect info

Signed-off-by: Cindy Lu <lulu@...hat.com>
---
 drivers/vdpa/vdpa_user/vduse_dev.c | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/drivers/vdpa/vdpa_user/vduse_dev.c b/drivers/vdpa/vdpa_user/vduse_dev.c
index 26b7e29cb900..f845dc46b1db 100644
--- a/drivers/vdpa/vdpa_user/vduse_dev.c
+++ b/drivers/vdpa/vdpa_user/vduse_dev.c
@@ -72,6 +72,12 @@ struct vduse_umem {
 	struct page **pages;
 	struct mm_struct *mm;
 };
+struct vdpa_reconnect_info {
+	u32 index;
+	phys_addr_t addr;
+	unsigned long vaddr;
+	phys_addr_t size;
+};
 
 struct vduse_dev {
 	struct vduse_vdpa *vdev;
@@ -106,6 +112,7 @@ struct vduse_dev {
 	u32 vq_align;
 	struct vduse_umem *umem;
 	struct mutex mem_lock;
+	struct vdpa_reconnect_info reconnect_info[64];
 };
 
 struct vduse_dev_msg {
-- 
2.34.3