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[RFC,V2,08/11] hw/block/nvme: add CMIC enum value for Identify Controller

Message ID 20210117145341.23310-9-minwoo.im.dev@gmail.com (mailing list archive)
State New, archived
Headers show
Series hw/block/nvme: support multi-path for ctrl/ns | expand

Commit Message

Minwoo Im Jan. 17, 2021, 2:53 p.m. UTC 
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>
---
 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 9494246f1f59..e83ec1e124c6 100644
--- a/include/block/nvme.h
+++ b/include/block/nvme.h
@@ -941,6 +941,10 @@  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)