tjh.dev
Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel
os
linux
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/* DABRX flags */
60#define H_DABRX_HYPERVISOR (1UL<<(63-61))
61#define H_DABRX_KERNEL (1UL<<(63-62))
62#define H_DABRX_USER (1UL<<(63-63))
63
64/* pSeries hypervisor opcodes */
65#define H_REMOVE 0x04
66#define H_ENTER 0x08
67#define H_READ 0x0c
68#define H_CLEAR_MOD 0x10
69#define H_CLEAR_REF 0x14
70#define H_PROTECT 0x18
71#define H_GET_TCE 0x1c
72#define H_PUT_TCE 0x20
73#define H_SET_SPRG0 0x24
74#define H_SET_DABR 0x28
75#define H_PAGE_INIT 0x2c
76#define H_SET_ASR 0x30
77#define H_ASR_ON 0x34
78#define H_ASR_OFF 0x38
79#define H_LOGICAL_CI_LOAD 0x3c
80#define H_LOGICAL_CI_STORE 0x40
81#define H_LOGICAL_CACHE_LOAD 0x44
82#define H_LOGICAL_CACHE_STORE 0x48
83#define H_LOGICAL_ICBI 0x4c
84#define H_LOGICAL_DCBF 0x50
85#define H_GET_TERM_CHAR 0x54
86#define H_PUT_TERM_CHAR 0x58
87#define H_REAL_TO_LOGICAL 0x5c
88#define H_HYPERVISOR_DATA 0x60
89#define H_EOI 0x64
90#define H_CPPR 0x68
91#define H_IPI 0x6c
92#define H_IPOLL 0x70
93#define H_XIRR 0x74
94#define H_PERFMON 0x7c
95#define H_MIGRATE_DMA 0x78
96#define H_REGISTER_VPA 0xDC
97#define H_CEDE 0xE0
98#define H_CONFER 0xE4
99#define H_PROD 0xE8
100#define H_GET_PPP 0xEC
101#define H_SET_PPP 0xF0
102#define H_PURR 0xF4
103#define H_PIC 0xF8
104#define H_REG_CRQ 0xFC
105#define H_FREE_CRQ 0x100
106#define H_VIO_SIGNAL 0x104
107#define H_SEND_CRQ 0x108
108#define H_COPY_RDMA 0x110
109#define H_SET_XDABR 0x134
110#define H_STUFF_TCE 0x138
111#define H_PUT_TCE_INDIRECT 0x13C
112#define H_VTERM_PARTNER_INFO 0x150
113#define H_REGISTER_VTERM 0x154
114#define H_FREE_VTERM 0x158
115#define H_POLL_PENDING 0x1D8
116
117#ifndef __ASSEMBLY__
118
119/* plpar_hcall() -- Generic call interface using above opcodes
120 *
121 * The actual call interface is a hypervisor call instruction with
122 * the opcode in R3 and input args in R4-R7.
123 * Status is returned in R3 with variable output values in R4-R11.
124 * Only H_PTE_READ with H_READ_4 uses R6-R11 so we ignore it for now
125 * and return only two out args which MUST ALWAYS BE PROVIDED.
126 */
127long plpar_hcall(unsigned long opcode,
128 unsigned long arg1,
129 unsigned long arg2,
130 unsigned long arg3,
131 unsigned long arg4,
132 unsigned long *out1,
133 unsigned long *out2,
134 unsigned long *out3);
135
136/* Same as plpar_hcall but for those opcodes that return no values
137 * other than status. Slightly more efficient.
138 */
139long plpar_hcall_norets(unsigned long opcode, ...);
140
141/*
142 * Special hcall interface for ibmveth support.
143 * Takes 8 input parms. Returns a rc and stores the
144 * R4 return value in *out1.
145 */
146long plpar_hcall_8arg_2ret(unsigned long opcode,
147 unsigned long arg1,
148 unsigned long arg2,
149 unsigned long arg3,
150 unsigned long arg4,
151 unsigned long arg5,
152 unsigned long arg6,
153 unsigned long arg7,
154 unsigned long arg8,
155 unsigned long *out1);
156
157/* plpar_hcall_4out()
158 *
159 * same as plpar_hcall except with 4 output arguments.
160 *
161 */
162long plpar_hcall_4out(unsigned long opcode,
163 unsigned long arg1,
164 unsigned long arg2,
165 unsigned long arg3,
166 unsigned long arg4,
167 unsigned long *out1,
168 unsigned long *out2,
169 unsigned long *out3,
170 unsigned long *out4);
171
172#endif /* __ASSEMBLY__ */
173#endif /* _PPC64_HVCALL_H */