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-rw-r--r--hw/s390x/css.h4
1 files changed, 4 insertions, 0 deletions
diff --git a/hw/s390x/css.h b/hw/s390x/css.h
index 220169e7c3..6586106fa7 100644
--- a/hw/s390x/css.h
+++ b/hw/s390x/css.h
@@ -98,4 +98,8 @@ void css_generate_sch_crws(uint8_t cssid, uint8_t ssid, uint16_t schid,
int hotplugged, int add);
void css_generate_chp_crws(uint8_t cssid, uint8_t chpid);
void css_adapter_interrupt(uint8_t isc);
+
+#define CSS_IO_ADAPTER_VIRTIO 1
+int css_register_io_adapter(uint8_t type, uint8_t isc, bool swap,
+ bool maskable, uint32_t *id);
#endif