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_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
66
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
77
78
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
86 */
87 #define H_IS_LONG_BUSY(x) ((x >= H_LONG_BUSY_START_RANGE) \
88 && (x <= H_LONG_BUSY_END_RANGE))
89
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_PAGE_STATE_CHANGE (1UL<<(63-28))
96 #define H_PAGE_UNUSED ((1UL<<(63-29)) | (1UL<<(63-30)))
97 #define H_PAGE_SET_UNUSED (H_PAGE_STATE_CHANGE | H_PAGE_UNUSED)
98 #define H_PAGE_SET_LOANED (H_PAGE_SET_UNUSED | (1UL<<(63-31)))
99 #define H_PAGE_SET_ACTIVE H_PAGE_STATE_CHANGE
100 #define H_AVPN (1UL<<(63-32)) /* An avpn is provided as a sanity test */
101 #define H_ANDCOND (1UL<<(63-33))
102 #define H_ICACHE_INVALIDATE (1UL<<(63-40)) /* icbi, etc. (ignored for IO pages) */
103 #define H_ICACHE_SYNCHRONIZE (1UL<<(63-41)) /* dcbst, icbi, etc (ignored for IO pages */
104 #define H_ZERO_PAGE (1UL<<(63-48)) /* zero the page before mapping (ignored for IO pages) */
105 #define H_COPY_PAGE (1UL<<(63-49))
106 #define H_N (1UL<<(63-61))
107 #define H_PP1 (1UL<<(63-62))
108 #define H_PP2 (1UL<<(63-63))
109
110 /* VASI States */
111 #define H_VASI_INVALID 0
112 #define H_VASI_ENABLED 1
113 #define H_VASI_ABORTED 2
114 #define H_VASI_SUSPENDING 3
115 #define H_VASI_SUSPENDED 4
116 #define H_VASI_RESUMED 5
117 #define H_VASI_COMPLETED 6
118
119 /* DABRX flags */
120 #define H_DABRX_HYPERVISOR (1UL<<(63-61))
121 #define H_DABRX_KERNEL (1UL<<(63-62))
122 #define H_DABRX_USER (1UL<<(63-63))
123
124 /* Each control block has to be on a 4K bondary */
125 #define H_CB_ALIGNMENT 4096
126
127 /* pSeries hypervisor opcodes */
128 #define H_REMOVE 0x04
129 #define H_ENTER 0x08
130 #define H_READ 0x0c
131 #define H_CLEAR_MOD 0x10
132 #define H_CLEAR_REF 0x14
133 #define H_PROTECT 0x18
134 #define H_GET_TCE 0x1c
135 #define H_PUT_TCE 0x20
136 #define H_SET_SPRG0 0x24
137 #define H_SET_DABR 0x28
138 #define H_PAGE_INIT 0x2c
139 #define H_SET_ASR 0x30
140 #define H_ASR_ON 0x34
141 #define H_ASR_OFF 0x38
142 #define H_LOGICAL_CI_LOAD 0x3c
143 #define H_LOGICAL_CI_STORE 0x40
144 #define H_LOGICAL_CACHE_LOAD 0x44
145 #define H_LOGICAL_CACHE_STORE 0x48
146 #define H_LOGICAL_ICBI 0x4c
147 #define H_LOGICAL_DCBF 0x50
148 #define H_GET_TERM_CHAR 0x54
149 #define H_PUT_TERM_CHAR 0x58
150 #define H_REAL_TO_LOGICAL 0x5c
151 #define H_HYPERVISOR_DATA 0x60
152 #define H_EOI 0x64
153 #define H_CPPR 0x68
154 #define H_IPI 0x6c
155 #define H_IPOLL 0x70
156 #define H_XIRR 0x74
157 #define H_PERFMON 0x7c
158 #define H_MIGRATE_DMA 0x78
159 #define H_REGISTER_VPA 0xDC
160 #define H_CEDE 0xE0
161 #define H_CONFER 0xE4
162 #define H_PROD 0xE8
163 #define H_GET_PPP 0xEC
164 #define H_SET_PPP 0xF0
165 #define H_PURR 0xF4
166 #define H_PIC 0xF8
167 #define H_REG_CRQ 0xFC
168 #define H_FREE_CRQ 0x100
169 #define H_VIO_SIGNAL 0x104
170 #define H_SEND_CRQ 0x108
171 #define H_COPY_RDMA 0x110
172 #define H_REGISTER_LOGICAL_LAN 0x114
173 #define H_FREE_LOGICAL_LAN 0x118
174 #define H_ADD_LOGICAL_LAN_BUFFER 0x11C
175 #define H_SEND_LOGICAL_LAN 0x120
176 #define H_BULK_REMOVE 0x124
177 #define H_MULTICAST_CTRL 0x130
178 #define H_SET_XDABR 0x134
179 #define H_STUFF_TCE 0x138
180 #define H_PUT_TCE_INDIRECT 0x13C
181 #define H_CHANGE_LOGICAL_LAN_MAC 0x14C
182 #define H_VTERM_PARTNER_INFO 0x150
183 #define H_REGISTER_VTERM 0x154
184 #define H_FREE_VTERM 0x158
185 #define H_RESET_EVENTS 0x15C
186 #define H_ALLOC_RESOURCE 0x160
187 #define H_FREE_RESOURCE 0x164
188 #define H_MODIFY_QP 0x168
189 #define H_QUERY_QP 0x16C
190 #define H_REREGISTER_PMR 0x170
191 #define H_REGISTER_SMR 0x174
192 #define H_QUERY_MR 0x178
193 #define H_QUERY_MW 0x17C
194 #define H_QUERY_HCA 0x180
195 #define H_QUERY_PORT 0x184
196 #define H_MODIFY_PORT 0x188
197 #define H_DEFINE_AQP1 0x18C
198 #define H_GET_TRACE_BUFFER 0x190
199 #define H_DEFINE_AQP0 0x194
200 #define H_RESIZE_MR 0x198
201 #define H_ATTACH_MCQP 0x19C
202 #define H_DETACH_MCQP 0x1A0
203 #define H_CREATE_RPT 0x1A4
204 #define H_REMOVE_RPT 0x1A8
205 #define H_REGISTER_RPAGES 0x1AC
206 #define H_DISABLE_AND_GETC 0x1B0
207 #define H_ERROR_DATA 0x1B4
208 #define H_GET_HCA_INFO 0x1B8
209 #define H_GET_PERF_COUNT 0x1BC
210 #define H_MANAGE_TRACE 0x1C0
211 #define H_FREE_LOGICAL_LAN_BUFFER 0x1D4
212 #define H_QUERY_INT_STATE 0x1E4
213 #define H_POLL_PENDING 0x1D8
214 #define H_ILLAN_ATTRIBUTES 0x244
215 #define H_JOIN 0x298
216 #define H_VASI_STATE 0x2A4
217 #define H_ENABLE_CRQ 0x2B0
218 #define H_SET_MPP 0x2D0
219 #define H_GET_MPP 0x2D4
220 #define MAX_HCALL_OPCODE H_GET_MPP
221
222 #ifndef __ASSEMBLY__
223
224 /**
225 * plpar_hcall_norets: - Make a pseries hypervisor call with no return arguments
226 * @opcode: The hypervisor call to make.
227 *
228 * This call supports up to 7 arguments and only returns the status of
229 * the hcall. Use this version where possible, its slightly faster than
230 * the other plpar_hcalls.
231 */
232 long plpar_hcall_norets(unsigned long opcode, ...);
233
234 /**
235 * plpar_hcall: - Make a pseries hypervisor call
236 * @opcode: The hypervisor call to make.
237 * @retbuf: Buffer to store up to 4 return arguments in.
238 *
239 * This call supports up to 6 arguments and 4 return arguments. Use
240 * PLPAR_HCALL_BUFSIZE to size the return argument buffer.
241 *
242 * Used for all but the craziest of phyp interfaces (see plpar_hcall9)
243 */
244 #define PLPAR_HCALL_BUFSIZE 4
245 long plpar_hcall(unsigned long opcode, unsigned long *retbuf, ...);
246
247 /**
248 * plpar_hcall_raw: - Make a hypervisor call without calculating hcall stats
249 * @opcode: The hypervisor call to make.
250 * @retbuf: Buffer to store up to 4 return arguments in.
251 *
252 * This call supports up to 6 arguments and 4 return arguments. Use
253 * PLPAR_HCALL_BUFSIZE to size the return argument buffer.
254 *
255 * Used when phyp interface needs to be called in real mode. Similar to
256 * plpar_hcall, but plpar_hcall_raw works in real mode and does not
257 * calculate hypervisor call statistics.
258 */
259 long plpar_hcall_raw(unsigned long opcode, unsigned long *retbuf, ...);
260
261 /**
262 * plpar_hcall9: - Make a pseries hypervisor call with up to 9 return arguments
263 * @opcode: The hypervisor call to make.
264 * @retbuf: Buffer to store up to 9 return arguments in.
265 *
266 * This call supports up to 9 arguments and 9 return arguments. Use
267 * PLPAR_HCALL9_BUFSIZE to size the return argument buffer.
268 */
269 #define PLPAR_HCALL9_BUFSIZE 9
270 long plpar_hcall9(unsigned long opcode, unsigned long *retbuf, ...);
271
272 /* For hcall instrumentation. One structure per-hcall, per-CPU */
273 struct hcall_stats {
274 unsigned long num_calls; /* number of calls (on this CPU) */
275 unsigned long tb_total; /* total wall time (mftb) of calls. */
276 unsigned long purr_total; /* total cpu time (PURR) of calls. */
277 };
278 #define HCALL_STAT_ARRAY_SIZE ((MAX_HCALL_OPCODE >> 2) + 1)
279
280 struct hvcall_mpp_data {
281 unsigned long entitled_mem;
282 unsigned long mapped_mem;
283 unsigned short group_num;
284 unsigned short pool_num;
285 unsigned char mem_weight;
286 unsigned char unallocated_mem_weight;
287 unsigned long unallocated_entitlement; /* value in bytes */
288 unsigned long pool_size;
289 signed long loan_request;
290 unsigned long backing_mem;
291 };
292
293 int h_get_mpp(struct hvcall_mpp_data *);
294
295 #ifdef CONFIG_PPC_PSERIES
296 extern int CMO_PrPSP;
297 extern int CMO_SecPSP;
298 extern unsigned long CMO_PageSize;
299
cmo_get_primary_psp(void)300 static inline int cmo_get_primary_psp(void)
301 {
302 return CMO_PrPSP;
303 }
304
cmo_get_secondary_psp(void)305 static inline int cmo_get_secondary_psp(void)
306 {
307 return CMO_SecPSP;
308 }
309
cmo_get_page_size(void)310 static inline unsigned long cmo_get_page_size(void)
311 {
312 return CMO_PageSize;
313 }
314 #endif /* CONFIG_PPC_PSERIES */
315
316 #endif /* __ASSEMBLY__ */
317 #endif /* __KERNEL__ */
318 #endif /* _ASM_POWERPC_HVCALL_H */
319