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-rw-r--r--arch/sparc/kernel/hvcalls.S57
1 files changed, 57 insertions, 0 deletions
diff --git a/arch/sparc/kernel/hvcalls.S b/arch/sparc/kernel/hvcalls.S
index bdfd3d8c6707..2f865a464576 100644
--- a/arch/sparc/kernel/hvcalls.S
+++ b/arch/sparc/kernel/hvcalls.S
@@ -871,3 +871,60 @@ ENTRY(sun4v_m7_set_perfreg)
retl
nop
ENDPROC(sun4v_m7_set_perfreg)
+
+ /* %o0: address of CCB array
+ * %o1: size (in bytes) of CCB array
+ * %o2: flags
+ * %o3: reserved
+ *
+ * returns:
+ * %o0: status
+ * %o1: size (in bytes) of the CCB array that was accepted
+ * %o2: status data
+ * %o3: reserved
+ */
+ENTRY(sun4v_ccb_submit)
+ mov %o5, %g1
+ mov HV_CCB_SUBMIT, %o5
+ ta HV_FAST_TRAP
+ stx %o1, [%o4]
+ retl
+ stx %o2, [%g1]
+ENDPROC(sun4v_ccb_submit)
+EXPORT_SYMBOL(sun4v_ccb_submit)
+
+ /* %o0: completion area ra for the ccb to get info
+ *
+ * returns:
+ * %o0: status
+ * %o1: CCB state
+ * %o2: position
+ * %o3: dax unit
+ * %o4: queue
+ */
+ENTRY(sun4v_ccb_info)
+ mov %o1, %g1
+ mov HV_CCB_INFO, %o5
+ ta HV_FAST_TRAP
+ sth %o1, [%g1 + CCB_INFO_OFFSET_CCB_STATE]
+ sth %o2, [%g1 + CCB_INFO_OFFSET_QUEUE_POS]
+ sth %o3, [%g1 + CCB_INFO_OFFSET_DAX_UNIT]
+ retl
+ sth %o4, [%g1 + CCB_INFO_OFFSET_QUEUE_NUM]
+ENDPROC(sun4v_ccb_info)
+EXPORT_SYMBOL(sun4v_ccb_info)
+
+ /* %o0: completion area ra for the ccb to kill
+ *
+ * returns:
+ * %o0: status
+ * %o1: result of the kill
+ */
+ENTRY(sun4v_ccb_kill)
+ mov %o1, %g1
+ mov HV_CCB_KILL, %o5
+ ta HV_FAST_TRAP
+ retl
+ sth %o1, [%g1]
+ENDPROC(sun4v_ccb_kill)
+EXPORT_SYMBOL(sun4v_ccb_kill)