aboutsummaryrefslogtreecommitdiffstats
path: root/drivers/crypto/n2_asm.S
blob: f7c793745a1e279075f2ef6f5d4b583a8a58db39 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
/* n2_asm.S: Hypervisor calls for NCS support.
 *
 * Copyright (C) 2009 David S. Miller <davem@davemloft.net>
 */

#include <linux/linkage.h>
#include <asm/hypervisor.h>
#include "n2_core.h"

	/* o0: queue type
	 * o1: RA of queue
	 * o2: num entries in queue
	 * o3: address of queue handle return
	 */
ENTRY(sun4v_ncs_qconf)
	mov	HV_FAST_NCS_QCONF, %o5
	ta	HV_FAST_TRAP
	stx	%o1, [%o3]
	retl
	 nop
ENDPROC(sun4v_ncs_qconf)

	/* %o0: queue handle
	 * %o1: address of queue type return
	 * %o2: address of queue base address return
	 * %o3: address of queue num entries return
	 */
ENTRY(sun4v_ncs_qinfo)
	mov	%o1, %g1
	mov	%o2, %g2
	mov	%o3, %g3
	mov	HV_FAST_NCS_QINFO, %o5
	ta	HV_FAST_TRAP
	stx	%o1, [%g1]
	stx	%o2, [%g2]
	stx	%o3, [%g3]
	retl
	 nop
ENDPROC(sun4v_ncs_qinfo)

	/* %o0: queue handle
	 * %o1: address of head offset return
	 */
ENTRY(sun4v_ncs_gethead)
	mov	%o1, %o2
	mov	HV_FAST_NCS_GETHEAD, %o5
	ta	HV_FAST_TRAP
	stx	%o1, [%o2]
	retl
	 nop
ENDPROC(sun4v_ncs_gethead)

	/* %o0: queue handle
	 * %o1: address of tail offset return
	 */
ENTRY(sun4v_ncs_gettail)
	mov	%o1, %o2
	mov	HV_FAST_NCS_GETTAIL, %o5
	ta	HV_FAST_TRAP
	stx	%o1, [%o2]
	retl
	 nop
ENDPROC(sun4v_ncs_gettail)

	/* %o0: queue handle
	 * %o1: new tail offset
	 */
ENTRY(sun4v_ncs_settail)
	mov	HV_FAST_NCS_SETTAIL, %o5
	ta	HV_FAST_TRAP
	retl
	 nop
ENDPROC(sun4v_ncs_settail)

	/* %o0: queue handle
	 * %o1: address of devino return
	 */
ENTRY(sun4v_ncs_qhandle_to_devino)
	mov	%o1, %o2
	mov	HV_FAST_NCS_QHANDLE_TO_DEVINO, %o5
	ta	HV_FAST_TRAP
	stx	%o1, [%o2]
	retl
	 nop
ENDPROC(sun4v_ncs_qhandle_to_devino)

	/* %o0: queue handle
	 * %o1: new head offset
	 */
ENTRY(sun4v_ncs_sethead_marker)
	mov	HV_FAST_NCS_SETHEAD_MARKER, %o5
	ta	HV_FAST_TRAP
	retl
	 nop
ENDPROC(sun4v_ncs_sethead_marker)