powerpc/hvcall: add token and codes for H_VASI_SIGNAL

H_VASI_SIGNAL can be used by a partition to request cancellation of
its migration. To be used in future changes.

Signed-off-by: Nathan Lynch <nathanl@linux.ibm.com>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Link: https://lore.kernel.org/r/20201207215200.1785968-7-nathanl@linux.ibm.com

diff --git a/arch/powerpc/include/asm/hvcall.h b/arch/powerpc/include/asm/hvcall.h
index c1fbccb..c98f514 100644 (file)
--- a/arch/powerpc/include/asm/hvcall.h
+++ b/arch/powerpc/include/asm/hvcall.h
@@ -155,6 +155,14 @@
 #define H_VASI_RESUMED          5
 #define H_VASI_COMPLETED        6
 
+/* VASI signal codes. Only the Cancel code is valid for H_VASI_SIGNAL. */
+#define H_VASI_SIGNAL_CANCEL    1
+#define H_VASI_SIGNAL_ABORT     2
+#define H_VASI_SIGNAL_SUSPEND   3
+#define H_VASI_SIGNAL_COMPLETE  4
+#define H_VASI_SIGNAL_ENABLE    5
+#define H_VASI_SIGNAL_FAILOVER  6
+
 /* Each control block has to be on a 4K boundary */
 #define H_CB_ALIGNMENT          4096
 
@@ -261,6 +269,7 @@
 #define H_ADD_CONN             0x284
 #define H_DEL_CONN             0x288
 #define H_JOIN                 0x298
+#define H_VASI_SIGNAL           0x2A0
 #define H_VASI_STATE            0x2A4
 #define H_VIOCTL               0x2A8
 #define H_ENABLE_CRQ           0x2B0