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-rw-r--r--include/linux/ntb.h3
1 files changed, 3 insertions, 0 deletions
diff --git a/include/linux/ntb.h b/include/linux/ntb.h
index 47f2966cfd7f..c308964777eb 100644
--- a/include/linux/ntb.h
+++ b/include/linux/ntb.h
@@ -70,6 +70,7 @@ struct pci_dev;
* @NTB_TOPO_SEC: On secondary side of remote ntb.
* @NTB_TOPO_B2B_USD: On primary side of local ntb upstream of remote ntb.
* @NTB_TOPO_B2B_DSD: On primary side of local ntb downstream of remote ntb.
+ * @NTB_TOPO_SWITCH: Connected via a switch which supports ntb.
*/
enum ntb_topo {
NTB_TOPO_NONE = -1,
@@ -77,6 +78,7 @@ enum ntb_topo {
NTB_TOPO_SEC,
NTB_TOPO_B2B_USD,
NTB_TOPO_B2B_DSD,
+ NTB_TOPO_SWITCH,
};
static inline int ntb_topo_is_b2b(enum ntb_topo topo)
@@ -97,6 +99,7 @@ static inline char *ntb_topo_string(enum ntb_topo topo)
case NTB_TOPO_SEC: return "NTB_TOPO_SEC";
case NTB_TOPO_B2B_USD: return "NTB_TOPO_B2B_USD";
case NTB_TOPO_B2B_DSD: return "NTB_TOPO_B2B_DSD";
+ case NTB_TOPO_SWITCH: return "NTB_TOPO_SWITCH";
}
return "NTB_TOPO_INVALID";
}