diff options
Diffstat (limited to 'drivers/crypto/n2_asm.S')
| -rw-r--r-- | drivers/crypto/n2_asm.S | 95 |
1 files changed, 95 insertions, 0 deletions
diff --git a/drivers/crypto/n2_asm.S b/drivers/crypto/n2_asm.S new file mode 100644 index 000000000000..f7c793745a1e --- /dev/null +++ b/drivers/crypto/n2_asm.S | |||
| @@ -0,0 +1,95 @@ | |||
| 1 | /* n2_asm.S: Hypervisor calls for NCS support. | ||
| 2 | * | ||
| 3 | * Copyright (C) 2009 David S. Miller <davem@davemloft.net> | ||
| 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) | ||