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Diffstat (limited to 'drivers/nvdimm/btt.h')
-rw-r--r--drivers/nvdimm/btt.h4
1 files changed, 4 insertions, 0 deletions
diff --git a/drivers/nvdimm/btt.h b/drivers/nvdimm/btt.h
index 888e862907a0..09fabf5a5590 100644
--- a/drivers/nvdimm/btt.h
+++ b/drivers/nvdimm/btt.h
@@ -38,6 +38,10 @@
#define IB_FLAG_ERROR 0x00000001
#define IB_FLAG_ERROR_MASK 0x00000001
+#define ent_lba(ent) (ent & MAP_LBA_MASK)
+#define ent_e_flag(ent) (!!(ent & MAP_ERR_MASK))
+#define ent_z_flag(ent) (!!(ent & MAP_TRIM_MASK))
+
enum btt_init_state {
INIT_UNCHECKED = 0,
INIT_NOTFOUND,

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