From c94973288cd9cfdb0dc23ae84ba256a7345c372e Mon Sep 17 00:00:00 2001
From: Gollu Appalanaidu
Date: Mon, 25 Jan 2021 15:09:24 +0530
Subject: hw/block/nvme: add broadcast nsid support flush command

Add support for using the broadcast nsid to issue a flush on all
namespaces through a single command.

Signed-off-by: Gollu Appalanaidu <anaidu.gollu@samsung.com>
Reviewed-by: Klaus Jensen <k.jensen@samsung.com>
Acked-by: Stefan Hajnoczi <stefanha@redhat.com>
Acked-by: Keith Busch <kbusch@kernel.org>
Signed-off-by: Klaus Jensen <k.jensen@samsung.com>
---
 include/block/nvme.h | 8 ++++++++
 1 file changed, 8 insertions(+)

(limited to 'include/block')

diff --git a/include/block/nvme.h b/include/block/nvme.h
index 9f8eb3988c..b23f3ae227 100644
--- a/include/block/nvme.h
+++ b/include/block/nvme.h
@@ -1062,6 +1062,14 @@ enum NvmeIdCtrlOcfs {
     NVME_OCFS_COPY_FORMAT_0 = 1 << 0,
 };
 
+enum NvmeIdctrlVwc {
+    NVME_VWC_PRESENT                    = 1 << 0,
+    NVME_VWC_NSID_BROADCAST_NO_SUPPORT  = 0 << 1,
+    NVME_VWC_NSID_BROADCAST_RESERVED    = 1 << 1,
+    NVME_VWC_NSID_BROADCAST_CTRL_SPEC   = 2 << 1,
+    NVME_VWC_NSID_BROADCAST_SUPPORT     = 3 << 1,
+};
+
 enum NvmeIdCtrlFrmw {
     NVME_FRMW_SLOT1_RO = 1 << 0,
 };
-- 
cgit v1.2.3-55-g7522