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From: Cindy Lu <lulu@redhat.com>
To: lulu@redhat.com, jasowang@redhat.com, mst@redhat.com,
maxime.coquelin@redhat.com, xieyongji@bytedance.com,
kvm@vger.kernel.org, linux-kernel@vger.kernel.org,
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Cc: stable@vger.kernel.org
Subject: [RFC v2 0/4] Support reconnection in vduse
Date: Tue, 12 Sep 2023 11:00:04 +0800
Message-Id: <20230912030008.3599514-1-lulu@redhat.com>
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|
| Series | Support reconnection in vduse | expand |
These patches add the reconnect support in vduse, The steps is map the pages from kernel to userspace, userspace app will sync the reconnection status and vq_info in the pages Also, add the new IOCTL VDUSE_GET_RECONNECT_INFO userspace app will use this information to mmap the memory Will send the patch for DPDK later Tested in vduse + dpdk test-pmd Signed-off-by: Cindy Lu <lulu@redhat.com> Cindy Lu (4): vduse: Add function to get/free the pages for reconnection vduse: Add file operation for mmap vduse: update the vq_info in ioctl vduse: Add new ioctl VDUSE_GET_RECONNECT_INFO drivers/vdpa/vdpa_user/vduse_dev.c | 177 +++++++++++++++++++++++++++++ include/uapi/linux/vduse.h | 21 ++++ 2 files changed, 198 insertions(+)