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-rw-r--r--sys/pci/if_wbreg.h4
1 files changed, 4 insertions, 0 deletions
diff --git a/sys/pci/if_wbreg.h b/sys/pci/if_wbreg.h
index 5bfccd8..6f58514 100644
--- a/sys/pci/if_wbreg.h
+++ b/sys/pci/if_wbreg.h
@@ -378,8 +378,12 @@ struct wb_softc {
struct wb_list_data *wb_ldata;
struct wb_chain_data wb_cdata;
struct callout_handle wb_stat_ch;
+ struct mtx wb_mtx;
};
+#define WB_LOCK(_sc) mtx_enter(&(_sc)->wb_mtx, MTX_DEF)
+#define WB_UNLOCK(_sc) mtx_exit(&(_sc)->wb_mtx, MTX_DEF)
+
/*
* register space access macros
*/
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