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[PULL,v2,03/38] hw/block/nvme: add CMIC enum value for Identify Controller

Message ID 20210309114512.536489-4-its@irrelevant.dk
State New
Headers show
Series [PULL,v2,01/38] hw/block/nvme: introduce nvme-subsys device | expand

Commit Message

Klaus Jensen March 9, 2021, 11:44 a.m. UTC 
From: Minwoo Im <minwoo.im.dev@gmail.com>

Added Controller Multi-path I/O and Namespace Sharing Capabilities
(CMIC) field to support multi-controller in the following patches.

This field is in Identify Controller data structure in [76].

Signed-off-by: Minwoo Im <minwoo.im.dev@gmail.com>
Tested-by: Klaus Jensen <k.jensen@samsung.com>
Reviewed-by: Klaus Jensen <k.jensen@samsung.com>
Reviewed-by: Keith Busch <kbusch@kernel.org>
Signed-off-by: Klaus Jensen <k.jensen@samsung.com>
---
 include/block/nvme.h | 4 ++++
 1 file changed, 4 insertions(+)
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Patch

diff --git a/include/block/nvme.h b/include/block/nvme.h
index 07cfc929368b..f1d3a78658eb 100644
--- a/include/block/nvme.h
+++ b/include/block/nvme.h
@@ -1034,6 +1034,10 @@  enum NvmeIdCtrlLpa {
     NVME_LPA_EXTENDED = 1 << 2,
 };
 
+enum NvmeIdCtrlCmic {
+    NVME_CMIC_MULTI_CTRL    = 1 << 1,
+};
+
 #define NVME_CTRL_SQES_MIN(sqes) ((sqes) & 0xf)
 #define NVME_CTRL_SQES_MAX(sqes) (((sqes) >> 4) & 0xf)
 #define NVME_CTRL_CQES_MIN(cqes) ((cqes) & 0xf)