Book a Demo!
CoCalc Logo Icon
StoreFeaturesDocsShareSupportNewsAboutPoliciesSign UpSign In
awilliam
GitHub Repository: awilliam/linux-vfio
 Path: blob/master/drivers/crypto/n2_asm.S
15109 views
1
/* n2_asm.S: Hypervisor calls for NCS support.

2
 *

3
 * Copyright (C) 2009 David S. Miller <[email protected]>

4
 */

5


6
#include <linux/linkage.h>

7
#include <asm/hypervisor.h>

8
#include "n2_core.h"

9


10
	/* o0: queue type

11
	 * o1: RA of queue

12
	 * o2: num entries in queue

13
	 * o3: address of queue handle return

14
	 */

15
ENTRY(sun4v_ncs_qconf)

16
	mov	HV_FAST_NCS_QCONF, %o5

17
	ta	HV_FAST_TRAP

18
	stx	%o1, [%o3]

19
	retl

20
	 nop

21
ENDPROC(sun4v_ncs_qconf)

22


23
	/* %o0: queue handle

24
	 * %o1: address of queue type return

25
	 * %o2: address of queue base address return

26
	 * %o3: address of queue num entries return

27
	 */

28
ENTRY(sun4v_ncs_qinfo)

29
	mov	%o1, %g1

30
	mov	%o2, %g2

31
	mov	%o3, %g3

32
	mov	HV_FAST_NCS_QINFO, %o5

33
	ta	HV_FAST_TRAP

34
	stx	%o1, [%g1]

35
	stx	%o2, [%g2]

36
	stx	%o3, [%g3]

37
	retl

38
	 nop

39
ENDPROC(sun4v_ncs_qinfo)

40


41
	/* %o0: queue handle

42
	 * %o1: address of head offset return

43
	 */

44
ENTRY(sun4v_ncs_gethead)

45
	mov	%o1, %o2

46
	mov	HV_FAST_NCS_GETHEAD, %o5

47
	ta	HV_FAST_TRAP

48
	stx	%o1, [%o2]

49
	retl

50
	 nop

51
ENDPROC(sun4v_ncs_gethead)

52


53
	/* %o0: queue handle

54
	 * %o1: address of tail offset return

55
	 */

56
ENTRY(sun4v_ncs_gettail)

57
	mov	%o1, %o2

58
	mov	HV_FAST_NCS_GETTAIL, %o5

59
	ta	HV_FAST_TRAP

60
	stx	%o1, [%o2]

61
	retl

62
	 nop

63
ENDPROC(sun4v_ncs_gettail)

64


65
	/* %o0: queue handle

66
	 * %o1: new tail offset

67
	 */

68
ENTRY(sun4v_ncs_settail)

69
	mov	HV_FAST_NCS_SETTAIL, %o5

70
	ta	HV_FAST_TRAP

71
	retl

72
	 nop

73
ENDPROC(sun4v_ncs_settail)

74


75
	/* %o0: queue handle

76
	 * %o1: address of devino return

77
	 */

78
ENTRY(sun4v_ncs_qhandle_to_devino)

79
	mov	%o1, %o2

80
	mov	HV_FAST_NCS_QHANDLE_TO_DEVINO, %o5

81
	ta	HV_FAST_TRAP

82
	stx	%o1, [%o2]

83
	retl

84
	 nop

85
ENDPROC(sun4v_ncs_qhandle_to_devino)

86


87
	/* %o0: queue handle

88
	 * %o1: new head offset

89
	 */

90
ENTRY(sun4v_ncs_sethead_marker)

91
	mov	HV_FAST_NCS_SETHEAD_MARKER, %o5

92
	ta	HV_FAST_TRAP

93
	retl

94
	 nop

95
ENDPROC(sun4v_ncs_sethead_marker)

96


97