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)
|
