tjh.dev
Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel
os
linux
1#ifndef _ASM_POWERPC_HVCALL_H
2#define _ASM_POWERPC_HVCALL_H
3#ifdef __KERNEL__
4
5#define HVSC .long 0x44000022
6
7#define H_Success 0
8#define H_Busy 1 /* Hardware busy -- retry later */
9#define H_Closed 2 /* Resource closed */
10#define H_Constrained 4 /* Resource request constrained to max allowed */
11#define H_InProgress 14 /* Kind of like busy */
12#define H_Continue 18 /* Returned from H_Join on success */
13#define H_LongBusyStartRange 9900 /* Start of long busy range */
14#define H_LongBusyOrder1msec 9900 /* Long busy, hint that 1msec is a good time to retry */
15#define H_LongBusyOrder10msec 9901 /* Long busy, hint that 10msec is a good time to retry */
16#define H_LongBusyOrder100msec 9902 /* Long busy, hint that 100msec is a good time to retry */
17#define H_LongBusyOrder1sec 9903 /* Long busy, hint that 1sec is a good time to retry */
18#define H_LongBusyOrder10sec 9904 /* Long busy, hint that 10sec is a good time to retry */
19#define H_LongBusyOrder100sec 9905 /* Long busy, hint that 100sec is a good time to retry */
20#define H_LongBusyEndRange 9905 /* End of long busy range */
21#define H_Hardware -1 /* Hardware error */
22#define H_Function -2 /* Function not supported */
23#define H_Privilege -3 /* Caller not privileged */
24#define H_Parameter -4 /* Parameter invalid, out-of-range or conflicting */
25#define H_Bad_Mode -5 /* Illegal msr value */
26#define H_PTEG_Full -6 /* PTEG is full */
27#define H_Not_Found -7 /* PTE was not found" */
28#define H_Reserved_DABR -8 /* DABR address is reserved by the hypervisor on this processor" */
29#define H_NoMem -9
30#define H_Authority -10
31#define H_Permission -11
32#define H_Dropped -12
33#define H_SourceParm -13
34#define H_DestParm -14
35#define H_RemoteParm -15
36#define H_Resource -16
37
38/* Long Busy is a condition that can be returned by the firmware
39 * when a call cannot be completed now, but the identical call
40 * should be retried later. This prevents calls blocking in the
41 * firmware for long periods of time. Annoyingly the firmware can return
42 * a range of return codes, hinting at how long we should wait before
43 * retrying. If you don't care for the hint, the macro below is a good
44 * way to check for the long_busy return codes
45 */
46#define H_isLongBusy(x) ((x >= H_LongBusyStartRange) && (x <= H_LongBusyEndRange))
47
48/* Flags */
49#define H_LARGE_PAGE (1UL<<(63-16))
50#define H_EXACT (1UL<<(63-24)) /* Use exact PTE or return H_PTEG_FULL */
51#define H_R_XLATE (1UL<<(63-25)) /* include a valid logical page num in the pte if the valid bit is set */
52#define H_READ_4 (1UL<<(63-26)) /* Return 4 PTEs */
53#define H_AVPN (1UL<<(63-32)) /* An avpn is provided as a sanity test */
54#define H_ANDCOND (1UL<<(63-33))
55#define H_ICACHE_INVALIDATE (1UL<<(63-40)) /* icbi, etc. (ignored for IO pages) */
56#define H_ICACHE_SYNCHRONIZE (1UL<<(63-41)) /* dcbst, icbi, etc (ignored for IO pages */
57#define H_ZERO_PAGE (1UL<<(63-48)) /* zero the page before mapping (ignored for IO pages) */
58#define H_COPY_PAGE (1UL<<(63-49))
59#define H_N (1UL<<(63-61))
60#define H_PP1 (1UL<<(63-62))
61#define H_PP2 (1UL<<(63-63))
62
63/* DABRX flags */
64#define H_DABRX_HYPERVISOR (1UL<<(63-61))
65#define H_DABRX_KERNEL (1UL<<(63-62))
66#define H_DABRX_USER (1UL<<(63-63))
67
68/* pSeries hypervisor opcodes */
69#define H_REMOVE 0x04
70#define H_ENTER 0x08
71#define H_READ 0x0c
72#define H_CLEAR_MOD 0x10
73#define H_CLEAR_REF 0x14
74#define H_PROTECT 0x18
75#define H_GET_TCE 0x1c
76#define H_PUT_TCE 0x20
77#define H_SET_SPRG0 0x24
78#define H_SET_DABR 0x28
79#define H_PAGE_INIT 0x2c
80#define H_SET_ASR 0x30
81#define H_ASR_ON 0x34
82#define H_ASR_OFF 0x38
83#define H_LOGICAL_CI_LOAD 0x3c
84#define H_LOGICAL_CI_STORE 0x40
85#define H_LOGICAL_CACHE_LOAD 0x44
86#define H_LOGICAL_CACHE_STORE 0x48
87#define H_LOGICAL_ICBI 0x4c
88#define H_LOGICAL_DCBF 0x50
89#define H_GET_TERM_CHAR 0x54
90#define H_PUT_TERM_CHAR 0x58
91#define H_REAL_TO_LOGICAL 0x5c
92#define H_HYPERVISOR_DATA 0x60
93#define H_EOI 0x64
94#define H_CPPR 0x68
95#define H_IPI 0x6c
96#define H_IPOLL 0x70
97#define H_XIRR 0x74
98#define H_PERFMON 0x7c
99#define H_MIGRATE_DMA 0x78
100#define H_REGISTER_VPA 0xDC
101#define H_CEDE 0xE0
102#define H_CONFER 0xE4
103#define H_PROD 0xE8
104#define H_GET_PPP 0xEC
105#define H_SET_PPP 0xF0
106#define H_PURR 0xF4
107#define H_PIC 0xF8
108#define H_REG_CRQ 0xFC
109#define H_FREE_CRQ 0x100
110#define H_VIO_SIGNAL 0x104
111#define H_SEND_CRQ 0x108
112#define H_COPY_RDMA 0x110
113#define H_SET_XDABR 0x134
114#define H_STUFF_TCE 0x138
115#define H_PUT_TCE_INDIRECT 0x13C
116#define H_VTERM_PARTNER_INFO 0x150
117#define H_REGISTER_VTERM 0x154
118#define H_FREE_VTERM 0x158
119#define H_POLL_PENDING 0x1D8
120#define H_JOIN 0x298
121#define H_ENABLE_CRQ 0x2B0
122
123#ifndef __ASSEMBLY__
124
125/* plpar_hcall() -- Generic call interface using above opcodes
126 *
127 * The actual call interface is a hypervisor call instruction with
128 * the opcode in R3 and input args in R4-R7.
129 * Status is returned in R3 with variable output values in R4-R11.
130 * Only H_PTE_READ with H_READ_4 uses R6-R11 so we ignore it for now
131 * and return only two out args which MUST ALWAYS BE PROVIDED.
132 */
133long plpar_hcall(unsigned long opcode,
134 unsigned long arg1,
135 unsigned long arg2,
136 unsigned long arg3,
137 unsigned long arg4,
138 unsigned long *out1,
139 unsigned long *out2,
140 unsigned long *out3);
141
142/* Same as plpar_hcall but for those opcodes that return no values
143 * other than status. Slightly more efficient.
144 */
145long plpar_hcall_norets(unsigned long opcode, ...);
146
147/*
148 * Special hcall interface for ibmveth support.
149 * Takes 8 input parms. Returns a rc and stores the
150 * R4 return value in *out1.
151 */
152long plpar_hcall_8arg_2ret(unsigned long opcode,
153 unsigned long arg1,
154 unsigned long arg2,
155 unsigned long arg3,
156 unsigned long arg4,
157 unsigned long arg5,
158 unsigned long arg6,
159 unsigned long arg7,
160 unsigned long arg8,
161 unsigned long *out1);
162
163/* plpar_hcall_4out()
164 *
165 * same as plpar_hcall except with 4 output arguments.
166 *
167 */
168long plpar_hcall_4out(unsigned long opcode,
169 unsigned long arg1,
170 unsigned long arg2,
171 unsigned long arg3,
172 unsigned long arg4,
173 unsigned long *out1,
174 unsigned long *out2,
175 unsigned long *out3,
176 unsigned long *out4);
177
178#endif /* __ASSEMBLY__ */
179#endif /* __KERNEL__ */
180#endif /* _ASM_POWERPC_HVCALL_H */