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1da177e4 LT |
1 | #ifndef _PPC64_HVCALL_H |
2 | #define _PPC64_HVCALL_H | |
3 | ||
4 | #define HVSC .long 0x44000022 | |
5 | ||
6 | #define H_Success 0 | |
7 | #define H_Busy 1 /* Hardware busy -- retry later */ | |
8 | #define H_Constrained 4 /* Resource request constrained to max allowed */ | |
9 | #define H_LongBusyStartRange 9900 /* Start of long busy range */ | |
10 | #define H_LongBusyOrder1msec 9900 /* Long busy, hint that 1msec is a good time to retry */ | |
11 | #define H_LongBusyOrder10msec 9901 /* Long busy, hint that 10msec is a good time to retry */ | |
12 | #define H_LongBusyOrder100msec 9902 /* Long busy, hint that 100msec is a good time to retry */ | |
13 | #define H_LongBusyOrder1sec 9903 /* Long busy, hint that 1sec is a good time to retry */ | |
14 | #define H_LongBusyOrder10sec 9904 /* Long busy, hint that 10sec is a good time to retry */ | |
15 | #define H_LongBusyOrder100sec 9905 /* Long busy, hint that 100sec is a good time to retry */ | |
16 | #define H_LongBusyEndRange 9905 /* End of long busy range */ | |
17 | #define H_Hardware -1 /* Hardware error */ | |
18 | #define H_Function -2 /* Function not supported */ | |
19 | #define H_Privilege -3 /* Caller not privileged */ | |
20 | #define H_Parameter -4 /* Parameter invalid, out-of-range or conflicting */ | |
21 | #define H_Bad_Mode -5 /* Illegal msr value */ | |
22 | #define H_PTEG_Full -6 /* PTEG is full */ | |
23 | #define H_Not_Found -7 /* PTE was not found" */ | |
24 | #define H_Reserved_DABR -8 /* DABR address is reserved by the hypervisor on this processor" */ | |
25 | #define H_NoMem -9 | |
26 | #define H_Authority -10 | |
27 | #define H_Permission -11 | |
28 | #define H_Dropped -12 | |
29 | #define H_SourceParm -13 | |
30 | #define H_DestParm -14 | |
31 | #define H_RemoteParm -15 | |
32 | #define H_Resource -16 | |
33 | ||
34 | /* Long Busy is a condition that can be returned by the firmware | |
35 | * when a call cannot be completed now, but the identical call | |
36 | * should be retried later. This prevents calls blocking in the | |
37 | * firmware for long periods of time. Annoyingly the firmware can return | |
38 | * a range of return codes, hinting at how long we should wait before | |
39 | * retrying. If you don't care for the hint, the macro below is a good | |
40 | * way to check for the long_busy return codes | |
41 | */ | |
42 | #define H_isLongBusy(x) ((x >= H_LongBusyStartRange) && (x <= H_LongBusyEndRange)) | |
43 | ||
44 | /* Flags */ | |
45 | #define H_LARGE_PAGE (1UL<<(63-16)) | |
46 | #define H_EXACT (1UL<<(63-24)) /* Use exact PTE or return H_PTEG_FULL */ | |
47 | #define H_R_XLATE (1UL<<(63-25)) /* include a valid logical page num in the pte if the valid bit is set */ | |
48 | #define H_READ_4 (1UL<<(63-26)) /* Return 4 PTEs */ | |
49 | #define H_AVPN (1UL<<(63-32)) /* An avpn is provided as a sanity test */ | |
50 | #define H_ANDCOND (1UL<<(63-33)) | |
51 | #define H_ICACHE_INVALIDATE (1UL<<(63-40)) /* icbi, etc. (ignored for IO pages) */ | |
52 | #define H_ICACHE_SYNCHRONIZE (1UL<<(63-41)) /* dcbst, icbi, etc (ignored for IO pages */ | |
53 | #define H_ZERO_PAGE (1UL<<(63-48)) /* zero the page before mapping (ignored for IO pages) */ | |
54 | #define H_COPY_PAGE (1UL<<(63-49)) | |
55 | #define H_N (1UL<<(63-61)) | |
56 | #define H_PP1 (1UL<<(63-62)) | |
57 | #define H_PP2 (1UL<<(63-63)) | |
58 | ||
59 | /* pSeries hypervisor opcodes */ | |
60 | #define H_REMOVE 0x04 | |
61 | #define H_ENTER 0x08 | |
62 | #define H_READ 0x0c | |
63 | #define H_CLEAR_MOD 0x10 | |
64 | #define H_CLEAR_REF 0x14 | |
65 | #define H_PROTECT 0x18 | |
66 | #define H_GET_TCE 0x1c | |
67 | #define H_PUT_TCE 0x20 | |
68 | #define H_SET_SPRG0 0x24 | |
69 | #define H_SET_DABR 0x28 | |
70 | #define H_PAGE_INIT 0x2c | |
71 | #define H_SET_ASR 0x30 | |
72 | #define H_ASR_ON 0x34 | |
73 | #define H_ASR_OFF 0x38 | |
74 | #define H_LOGICAL_CI_LOAD 0x3c | |
75 | #define H_LOGICAL_CI_STORE 0x40 | |
76 | #define H_LOGICAL_CACHE_LOAD 0x44 | |
77 | #define H_LOGICAL_CACHE_STORE 0x48 | |
78 | #define H_LOGICAL_ICBI 0x4c | |
79 | #define H_LOGICAL_DCBF 0x50 | |
80 | #define H_GET_TERM_CHAR 0x54 | |
81 | #define H_PUT_TERM_CHAR 0x58 | |
82 | #define H_REAL_TO_LOGICAL 0x5c | |
83 | #define H_HYPERVISOR_DATA 0x60 | |
84 | #define H_EOI 0x64 | |
85 | #define H_CPPR 0x68 | |
86 | #define H_IPI 0x6c | |
87 | #define H_IPOLL 0x70 | |
88 | #define H_XIRR 0x74 | |
89 | #define H_PERFMON 0x7c | |
90 | #define H_MIGRATE_DMA 0x78 | |
91 | #define H_REGISTER_VPA 0xDC | |
92 | #define H_CEDE 0xE0 | |
93 | #define H_CONFER 0xE4 | |
94 | #define H_PROD 0xE8 | |
95 | #define H_GET_PPP 0xEC | |
96 | #define H_SET_PPP 0xF0 | |
97 | #define H_PURR 0xF4 | |
98 | #define H_PIC 0xF8 | |
99 | #define H_REG_CRQ 0xFC | |
100 | #define H_FREE_CRQ 0x100 | |
101 | #define H_VIO_SIGNAL 0x104 | |
102 | #define H_SEND_CRQ 0x108 | |
103 | #define H_COPY_RDMA 0x110 | |
104 | #define H_STUFF_TCE 0x138 | |
105 | #define H_PUT_TCE_INDIRECT 0x13C | |
106 | #define H_VTERM_PARTNER_INFO 0x150 | |
107 | #define H_REGISTER_VTERM 0x154 | |
108 | #define H_FREE_VTERM 0x158 | |
109 | #define H_POLL_PENDING 0x1D8 | |
110 | ||
111 | #ifndef __ASSEMBLY__ | |
112 | ||
113 | /* plpar_hcall() -- Generic call interface using above opcodes | |
114 | * | |
115 | * The actual call interface is a hypervisor call instruction with | |
116 | * the opcode in R3 and input args in R4-R7. | |
117 | * Status is returned in R3 with variable output values in R4-R11. | |
118 | * Only H_PTE_READ with H_READ_4 uses R6-R11 so we ignore it for now | |
119 | * and return only two out args which MUST ALWAYS BE PROVIDED. | |
120 | */ | |
121 | long plpar_hcall(unsigned long opcode, | |
122 | unsigned long arg1, | |
123 | unsigned long arg2, | |
124 | unsigned long arg3, | |
125 | unsigned long arg4, | |
126 | unsigned long *out1, | |
127 | unsigned long *out2, | |
128 | unsigned long *out3); | |
129 | ||
130 | /* Same as plpar_hcall but for those opcodes that return no values | |
131 | * other than status. Slightly more efficient. | |
132 | */ | |
133 | long plpar_hcall_norets(unsigned long opcode, ...); | |
134 | ||
135 | /* | |
136 | * Special hcall interface for ibmveth support. | |
137 | * Takes 8 input parms. Returns a rc and stores the | |
138 | * R4 return value in *out1. | |
139 | */ | |
140 | long plpar_hcall_8arg_2ret(unsigned long opcode, | |
141 | unsigned long arg1, | |
142 | unsigned long arg2, | |
143 | unsigned long arg3, | |
144 | unsigned long arg4, | |
145 | unsigned long arg5, | |
146 | unsigned long arg6, | |
147 | unsigned long arg7, | |
148 | unsigned long arg8, | |
149 | unsigned long *out1); | |
150 | ||
151 | /* plpar_hcall_4out() | |
152 | * | |
153 | * same as plpar_hcall except with 4 output arguments. | |
154 | * | |
155 | */ | |
156 | long plpar_hcall_4out(unsigned long opcode, | |
157 | unsigned long arg1, | |
158 | unsigned long arg2, | |
159 | unsigned long arg3, | |
160 | unsigned long arg4, | |
161 | unsigned long *out1, | |
162 | unsigned long *out2, | |
163 | unsigned long *out3, | |
164 | unsigned long *out4); | |
165 | ||
166 | #endif /* __ASSEMBLY__ */ | |
167 | #endif /* _PPC64_HVCALL_H */ |