Merge git://git.linux-nfs.org/pub/linux/nfs-2.6
[pv_ops_mirror.git] / include / asm-powerpc / hvcall.h
blobbf6cd7cb996cf9f911d52bfaa20ff150a011684c
1 #ifndef _ASM_POWERPC_HVCALL_H
2 #define _ASM_POWERPC_HVCALL_H
3 #ifdef __KERNEL__
5 #define HVSC .long 0x44000022
7 #define H_SUCCESS 0
8 #define H_BUSY 1 /* Hardware busy -- retry later */
9 #define H_CLOSED 2 /* Resource closed */
10 #define H_NOT_AVAILABLE 3
11 #define H_CONSTRAINED 4 /* Resource request constrained to max allowed */
12 #define H_PARTIAL 5
13 #define H_IN_PROGRESS 14 /* Kind of like busy */
14 #define H_PAGE_REGISTERED 15
15 #define H_PARTIAL_STORE 16
16 #define H_PENDING 17 /* returned from H_POLL_PENDING */
17 #define H_CONTINUE 18 /* Returned from H_Join on success */
18 #define H_LONG_BUSY_START_RANGE 9900 /* Start of long busy range */
19 #define H_LONG_BUSY_ORDER_1_MSEC 9900 /* Long busy, hint that 1msec \
20 is a good time to retry */
21 #define H_LONG_BUSY_ORDER_10_MSEC 9901 /* Long busy, hint that 10msec \
22 is a good time to retry */
23 #define H_LONG_BUSY_ORDER_100_MSEC 9902 /* Long busy, hint that 100msec \
24 is a good time to retry */
25 #define H_LONG_BUSY_ORDER_1_SEC 9903 /* Long busy, hint that 1sec \
26 is a good time to retry */
27 #define H_LONG_BUSY_ORDER_10_SEC 9904 /* Long busy, hint that 10sec \
28 is a good time to retry */
29 #define H_LONG_BUSY_ORDER_100_SEC 9905 /* Long busy, hint that 100sec \
30 is a good time to retry */
31 #define H_LONG_BUSY_END_RANGE 9905 /* End of long busy range */
32 #define H_HARDWARE -1 /* Hardware error */
33 #define H_FUNCTION -2 /* Function not supported */
34 #define H_PRIVILEGE -3 /* Caller not privileged */
35 #define H_PARAMETER -4 /* Parameter invalid, out-of-range or conflicting */
36 #define H_BAD_MODE -5 /* Illegal msr value */
37 #define H_PTEG_FULL -6 /* PTEG is full */
38 #define H_NOT_FOUND -7 /* PTE was not found" */
39 #define H_RESERVED_DABR -8 /* DABR address is reserved by the hypervisor on this processor" */
40 #define H_NO_MEM -9
41 #define H_AUTHORITY -10
42 #define H_PERMISSION -11
43 #define H_DROPPED -12
44 #define H_SOURCE_PARM -13
45 #define H_DEST_PARM -14
46 #define H_REMOTE_PARM -15
47 #define H_RESOURCE -16
48 #define H_ADAPTER_PARM -17
49 #define H_RH_PARM -18
50 #define H_RCQ_PARM -19
51 #define H_SCQ_PARM -20
52 #define H_EQ_PARM -21
53 #define H_RT_PARM -22
54 #define H_ST_PARM -23
55 #define H_SIGT_PARM -24
56 #define H_TOKEN_PARM -25
57 #define H_MLENGTH_PARM -27
58 #define H_MEM_PARM -28
59 #define H_MEM_ACCESS_PARM -29
60 #define H_ATTR_PARM -30
61 #define H_PORT_PARM -31
62 #define H_MCG_PARM -32
63 #define H_VL_PARM -33
64 #define H_TSIZE_PARM -34
65 #define H_TRACE_PARM -35
67 #define H_MASK_PARM -37
68 #define H_MCG_FULL -38
69 #define H_ALIAS_EXIST -39
70 #define H_P_COUNTER -40
71 #define H_TABLE_FULL -41
72 #define H_ALT_TABLE -42
73 #define H_MR_CONDITION -43
74 #define H_NOT_ENOUGH_RESOURCES -44
75 #define H_R_STATE -45
76 #define H_RESCINDEND -46
79 /* Long Busy is a condition that can be returned by the firmware
80 * when a call cannot be completed now, but the identical call
81 * should be retried later. This prevents calls blocking in the
82 * firmware for long periods of time. Annoyingly the firmware can return
83 * a range of return codes, hinting at how long we should wait before
84 * retrying. If you don't care for the hint, the macro below is a good
85 * way to check for the long_busy return codes
87 #define H_IS_LONG_BUSY(x) ((x >= H_LONG_BUSY_START_RANGE) \
88 && (x <= H_LONG_BUSY_END_RANGE))
90 /* Flags */
91 #define H_LARGE_PAGE (1UL<<(63-16))
92 #define H_EXACT (1UL<<(63-24)) /* Use exact PTE or return H_PTEG_FULL */
93 #define H_R_XLATE (1UL<<(63-25)) /* include a valid logical page num in the pte if the valid bit is set */
94 #define H_READ_4 (1UL<<(63-26)) /* Return 4 PTEs */
95 #define H_AVPN (1UL<<(63-32)) /* An avpn is provided as a sanity test */
96 #define H_ANDCOND (1UL<<(63-33))
97 #define H_ICACHE_INVALIDATE (1UL<<(63-40)) /* icbi, etc. (ignored for IO pages) */
98 #define H_ICACHE_SYNCHRONIZE (1UL<<(63-41)) /* dcbst, icbi, etc (ignored for IO pages */
99 #define H_ZERO_PAGE (1UL<<(63-48)) /* zero the page before mapping (ignored for IO pages) */
100 #define H_COPY_PAGE (1UL<<(63-49))
101 #define H_N (1UL<<(63-61))
102 #define H_PP1 (1UL<<(63-62))
103 #define H_PP2 (1UL<<(63-63))
105 /* VASI States */
106 #define H_VASI_INVALID 0
107 #define H_VASI_ENABLED 1
108 #define H_VASI_ABORTED 2
109 #define H_VASI_SUSPENDING 3
110 #define H_VASI_SUSPENDED 4
111 #define H_VASI_RESUMED 5
112 #define H_VASI_COMPLETED 6
114 /* DABRX flags */
115 #define H_DABRX_HYPERVISOR (1UL<<(63-61))
116 #define H_DABRX_KERNEL (1UL<<(63-62))
117 #define H_DABRX_USER (1UL<<(63-63))
119 /* Each control block has to be on a 4K bondary */
120 #define H_CB_ALIGNMENT 4096
122 /* pSeries hypervisor opcodes */
123 #define H_REMOVE 0x04
124 #define H_ENTER 0x08
125 #define H_READ 0x0c
126 #define H_CLEAR_MOD 0x10
127 #define H_CLEAR_REF 0x14
128 #define H_PROTECT 0x18
129 #define H_GET_TCE 0x1c
130 #define H_PUT_TCE 0x20
131 #define H_SET_SPRG0 0x24
132 #define H_SET_DABR 0x28
133 #define H_PAGE_INIT 0x2c
134 #define H_SET_ASR 0x30
135 #define H_ASR_ON 0x34
136 #define H_ASR_OFF 0x38
137 #define H_LOGICAL_CI_LOAD 0x3c
138 #define H_LOGICAL_CI_STORE 0x40
139 #define H_LOGICAL_CACHE_LOAD 0x44
140 #define H_LOGICAL_CACHE_STORE 0x48
141 #define H_LOGICAL_ICBI 0x4c
142 #define H_LOGICAL_DCBF 0x50
143 #define H_GET_TERM_CHAR 0x54
144 #define H_PUT_TERM_CHAR 0x58
145 #define H_REAL_TO_LOGICAL 0x5c
146 #define H_HYPERVISOR_DATA 0x60
147 #define H_EOI 0x64
148 #define H_CPPR 0x68
149 #define H_IPI 0x6c
150 #define H_IPOLL 0x70
151 #define H_XIRR 0x74
152 #define H_PERFMON 0x7c
153 #define H_MIGRATE_DMA 0x78
154 #define H_REGISTER_VPA 0xDC
155 #define H_CEDE 0xE0
156 #define H_CONFER 0xE4
157 #define H_PROD 0xE8
158 #define H_GET_PPP 0xEC
159 #define H_SET_PPP 0xF0
160 #define H_PURR 0xF4
161 #define H_PIC 0xF8
162 #define H_REG_CRQ 0xFC
163 #define H_FREE_CRQ 0x100
164 #define H_VIO_SIGNAL 0x104
165 #define H_SEND_CRQ 0x108
166 #define H_COPY_RDMA 0x110
167 #define H_REGISTER_LOGICAL_LAN 0x114
168 #define H_FREE_LOGICAL_LAN 0x118
169 #define H_ADD_LOGICAL_LAN_BUFFER 0x11C
170 #define H_SEND_LOGICAL_LAN 0x120
171 #define H_BULK_REMOVE 0x124
172 #define H_MULTICAST_CTRL 0x130
173 #define H_SET_XDABR 0x134
174 #define H_STUFF_TCE 0x138
175 #define H_PUT_TCE_INDIRECT 0x13C
176 #define H_CHANGE_LOGICAL_LAN_MAC 0x14C
177 #define H_VTERM_PARTNER_INFO 0x150
178 #define H_REGISTER_VTERM 0x154
179 #define H_FREE_VTERM 0x158
180 #define H_RESET_EVENTS 0x15C
181 #define H_ALLOC_RESOURCE 0x160
182 #define H_FREE_RESOURCE 0x164
183 #define H_MODIFY_QP 0x168
184 #define H_QUERY_QP 0x16C
185 #define H_REREGISTER_PMR 0x170
186 #define H_REGISTER_SMR 0x174
187 #define H_QUERY_MR 0x178
188 #define H_QUERY_MW 0x17C
189 #define H_QUERY_HCA 0x180
190 #define H_QUERY_PORT 0x184
191 #define H_MODIFY_PORT 0x188
192 #define H_DEFINE_AQP1 0x18C
193 #define H_GET_TRACE_BUFFER 0x190
194 #define H_DEFINE_AQP0 0x194
195 #define H_RESIZE_MR 0x198
196 #define H_ATTACH_MCQP 0x19C
197 #define H_DETACH_MCQP 0x1A0
198 #define H_CREATE_RPT 0x1A4
199 #define H_REMOVE_RPT 0x1A8
200 #define H_REGISTER_RPAGES 0x1AC
201 #define H_DISABLE_AND_GETC 0x1B0
202 #define H_ERROR_DATA 0x1B4
203 #define H_GET_HCA_INFO 0x1B8
204 #define H_GET_PERF_COUNT 0x1BC
205 #define H_MANAGE_TRACE 0x1C0
206 #define H_FREE_LOGICAL_LAN_BUFFER 0x1D4
207 #define H_QUERY_INT_STATE 0x1E4
208 #define H_POLL_PENDING 0x1D8
209 #define H_ILLAN_ATTRIBUTES 0x244
210 #define H_JOIN 0x298
211 #define H_VASI_STATE 0x2A4
212 #define H_ENABLE_CRQ 0x2B0
213 #define MAX_HCALL_OPCODE H_ENABLE_CRQ
215 #ifndef __ASSEMBLY__
218 * plpar_hcall_norets: - Make a pseries hypervisor call with no return arguments
219 * @opcode: The hypervisor call to make.
221 * This call supports up to 7 arguments and only returns the status of
222 * the hcall. Use this version where possible, its slightly faster than
223 * the other plpar_hcalls.
225 long plpar_hcall_norets(unsigned long opcode, ...);
228 * plpar_hcall: - Make a pseries hypervisor call
229 * @opcode: The hypervisor call to make.
230 * @retbuf: Buffer to store up to 4 return arguments in.
232 * This call supports up to 6 arguments and 4 return arguments. Use
233 * PLPAR_HCALL_BUFSIZE to size the return argument buffer.
235 * Used for all but the craziest of phyp interfaces (see plpar_hcall9)
237 #define PLPAR_HCALL_BUFSIZE 4
238 long plpar_hcall(unsigned long opcode, unsigned long *retbuf, ...);
241 * plpar_hcall_raw: - Make a hypervisor call without calculating hcall stats
242 * @opcode: The hypervisor call to make.
243 * @retbuf: Buffer to store up to 4 return arguments in.
245 * This call supports up to 6 arguments and 4 return arguments. Use
246 * PLPAR_HCALL_BUFSIZE to size the return argument buffer.
248 * Used when phyp interface needs to be called in real mode. Similar to
249 * plpar_hcall, but plpar_hcall_raw works in real mode and does not
250 * calculate hypervisor call statistics.
252 long plpar_hcall_raw(unsigned long opcode, unsigned long *retbuf, ...);
255 * plpar_hcall9: - Make a pseries hypervisor call with up to 9 return arguments
256 * @opcode: The hypervisor call to make.
257 * @retbuf: Buffer to store up to 9 return arguments in.
259 * This call supports up to 9 arguments and 9 return arguments. Use
260 * PLPAR_HCALL9_BUFSIZE to size the return argument buffer.
262 #define PLPAR_HCALL9_BUFSIZE 9
263 long plpar_hcall9(unsigned long opcode, unsigned long *retbuf, ...);
265 /* For hcall instrumentation. One structure per-hcall, per-CPU */
266 struct hcall_stats {
267 unsigned long num_calls; /* number of calls (on this CPU) */
268 unsigned long tb_total; /* total wall time (mftb) of calls. */
269 unsigned long purr_total; /* total cpu time (PURR) of calls. */
271 #define HCALL_STAT_ARRAY_SIZE ((MAX_HCALL_OPCODE >> 2) + 1)
273 #endif /* __ASSEMBLY__ */
274 #endif /* __KERNEL__ */
275 #endif /* _ASM_POWERPC_HVCALL_H */