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-rw-r--r--include/block/nvme.h5
1 files changed, 5 insertions, 0 deletions
diff --git a/include/block/nvme.h b/include/block/nvme.h
index 521533fd2a..6de2d5aa75 100644
--- a/include/block/nvme.h
+++ b/include/block/nvme.h
@@ -115,6 +115,11 @@ enum NvmeCcMask {
 #define NVME_CC_IOSQES(cc) ((cc >> CC_IOSQES_SHIFT) & CC_IOSQES_MASK)
 #define NVME_CC_IOCQES(cc) ((cc >> CC_IOCQES_SHIFT) & CC_IOCQES_MASK)
 
+enum NvmeCcCss {
+    NVME_CC_CSS_NVM        = 0x0,
+    NVME_CC_CSS_ADMIN_ONLY = 0x7,
+};
+
 enum NvmeCstsShift {
     CSTS_RDY_SHIFT      = 0,
     CSTS_CFS_SHIFT      = 1,