1 /* SPDX-License-Identifier: GPL-2.0 */
2 #ifndef _ASM_POWERPC_HVCALL_H
3 #define _ASM_POWERPC_HVCALL_H
4 #ifdef __KERNEL__
5
6 #define HVSC .long 0x44000022
7
8 #define H_SUCCESS 0
9 #define H_BUSY 1 /* Hardware busy -- retry later */
10 #define H_CLOSED 2 /* Resource closed */
11 #define H_NOT_AVAILABLE 3
12 #define H_CONSTRAINED 4 /* Resource request constrained to max allowed */
13 #define H_PARTIAL 5
14 #define H_IN_PROGRESS 14 /* Kind of like busy */
15 #define H_PAGE_REGISTERED 15
16 #define H_PARTIAL_STORE 16
17 #define H_PENDING 17 /* returned from H_POLL_PENDING */
18 #define H_CONTINUE 18 /* Returned from H_Join on success */
19 #define H_LONG_BUSY_START_RANGE 9900 /* Start of long busy range */
20 #define H_LONG_BUSY_ORDER_1_MSEC 9900 /* Long busy, hint that 1msec \
21 is a good time to retry */
22 #define H_LONG_BUSY_ORDER_10_MSEC 9901 /* Long busy, hint that 10msec \
23 is a good time to retry */
24 #define H_LONG_BUSY_ORDER_100_MSEC 9902 /* Long busy, hint that 100msec \
25 is a good time to retry */
26 #define H_LONG_BUSY_ORDER_1_SEC 9903 /* Long busy, hint that 1sec \
27 is a good time to retry */
28 #define H_LONG_BUSY_ORDER_10_SEC 9904 /* Long busy, hint that 10sec \
29 is a good time to retry */
30 #define H_LONG_BUSY_ORDER_100_SEC 9905 /* Long busy, hint that 100sec \
31 is a good time to retry */
32 #define H_LONG_BUSY_END_RANGE 9905 /* End of long busy range */
33
34 /* Internal value used in book3s_hv kvm support; not returned to guests */
35 #define H_TOO_HARD 9999
36
37 #define H_HARDWARE -1 /* Hardware error */
38 #define H_FUNCTION -2 /* Function not supported */
39 #define H_PRIVILEGE -3 /* Caller not privileged */
40 #define H_PARAMETER -4 /* Parameter invalid, out-of-range or conflicting */
41 #define H_BAD_MODE -5 /* Illegal msr value */
42 #define H_PTEG_FULL -6 /* PTEG is full */
43 #define H_NOT_FOUND -7 /* PTE was not found" */
44 #define H_RESERVED_DABR -8 /* DABR address is reserved by the hypervisor on this processor" */
45 #define H_NO_MEM -9
46 #define H_AUTHORITY -10
47 #define H_PERMISSION -11
48 #define H_DROPPED -12
49 #define H_SOURCE_PARM -13
50 #define H_DEST_PARM -14
51 #define H_REMOTE_PARM -15
52 #define H_RESOURCE -16
53 #define H_ADAPTER_PARM -17
54 #define H_RH_PARM -18
55 #define H_RCQ_PARM -19
56 #define H_SCQ_PARM -20
57 #define H_EQ_PARM -21
58 #define H_RT_PARM -22
59 #define H_ST_PARM -23
60 #define H_SIGT_PARM -24
61 #define H_TOKEN_PARM -25
62 #define H_MLENGTH_PARM -27
63 #define H_MEM_PARM -28
64 #define H_MEM_ACCESS_PARM -29
65 #define H_ATTR_PARM -30
66 #define H_PORT_PARM -31
67 #define H_MCG_PARM -32
68 #define H_VL_PARM -33
69 #define H_TSIZE_PARM -34
70 #define H_TRACE_PARM -35
71
72 #define H_MASK_PARM -37
73 #define H_MCG_FULL -38
74 #define H_ALIAS_EXIST -39
75 #define H_P_COUNTER -40
76 #define H_TABLE_FULL -41
77 #define H_ALT_TABLE -42
78 #define H_MR_CONDITION -43
79 #define H_NOT_ENOUGH_RESOURCES -44
80 #define H_R_STATE -45
81 #define H_RESCINDED -46
82 #define H_ABORTED -54
83 #define H_P2 -55
84 #define H_P3 -56
85 #define H_P4 -57
86 #define H_P5 -58
87 #define H_P6 -59
88 #define H_P7 -60
89 #define H_P8 -61
90 #define H_P9 -62
91 #define H_NOOP -63
92 #define H_TOO_BIG -64
93 #define H_UNSUPPORTED -67
94 #define H_OVERLAP -68
95 #define H_INTERRUPT -69
96 #define H_BAD_DATA -70
97 #define H_NOT_ACTIVE -71
98 #define H_SG_LIST -72
99 #define H_OP_MODE -73
100 #define H_COP_HW -74
101 #define H_STATE -75
102 #define H_IN_USE -77
103 #define H_UNSUPPORTED_FLAG_START -256
104 #define H_UNSUPPORTED_FLAG_END -511
105 #define H_MULTI_THREADS_ACTIVE -9005
106 #define H_OUTSTANDING_COP_OPS -9006
107
108
109 /* Long Busy is a condition that can be returned by the firmware
110 * when a call cannot be completed now, but the identical call
111 * should be retried later. This prevents calls blocking in the
112 * firmware for long periods of time. Annoyingly the firmware can return
113 * a range of return codes, hinting at how long we should wait before
114 * retrying. If you don't care for the hint, the macro below is a good
115 * way to check for the long_busy return codes
116 */
117 #define H_IS_LONG_BUSY(x) ((x >= H_LONG_BUSY_START_RANGE) \
118 && (x <= H_LONG_BUSY_END_RANGE))
119
120 /* Flags */
121 #define H_LARGE_PAGE (1UL<<(63-16))
122 #define H_EXACT (1UL<<(63-24)) /* Use exact PTE or return H_PTEG_FULL */
123 #define H_R_XLATE (1UL<<(63-25)) /* include a valid logical page num in the pte if the valid bit is set */
124 #define H_READ_4 (1UL<<(63-26)) /* Return 4 PTEs */
125 #define H_PAGE_STATE_CHANGE (1UL<<(63-28))
126 #define H_PAGE_UNUSED ((1UL<<(63-29)) | (1UL<<(63-30)))
127 #define H_PAGE_SET_UNUSED (H_PAGE_STATE_CHANGE | H_PAGE_UNUSED)
128 #define H_PAGE_SET_LOANED (H_PAGE_SET_UNUSED | (1UL<<(63-31)))
129 #define H_PAGE_SET_ACTIVE H_PAGE_STATE_CHANGE
130 #define H_AVPN (1UL<<(63-32)) /* An avpn is provided as a sanity test */
131 #define H_ANDCOND (1UL<<(63-33))
132 #define H_LOCAL (1UL<<(63-35))
133 #define H_ICACHE_INVALIDATE (1UL<<(63-40)) /* icbi, etc. (ignored for IO pages) */
134 #define H_ICACHE_SYNCHRONIZE (1UL<<(63-41)) /* dcbst, icbi, etc (ignored for IO pages */
135 #define H_COALESCE_CAND (1UL<<(63-42)) /* page is a good candidate for coalescing */
136 #define H_ZERO_PAGE (1UL<<(63-48)) /* zero the page before mapping (ignored for IO pages) */
137 #define H_COPY_PAGE (1UL<<(63-49))
138 #define H_N (1UL<<(63-61))
139 #define H_PP1 (1UL<<(63-62))
140 #define H_PP2 (1UL<<(63-63))
141
142 /* Flags for H_REGISTER_VPA subfunction field */
143 #define H_VPA_FUNC_SHIFT (63-18) /* Bit posn of subfunction code */
144 #define H_VPA_FUNC_MASK 7UL
145 #define H_VPA_REG_VPA 1UL /* Register Virtual Processor Area */
146 #define H_VPA_REG_DTL 2UL /* Register Dispatch Trace Log */
147 #define H_VPA_REG_SLB 3UL /* Register SLB shadow buffer */
148 #define H_VPA_DEREG_VPA 5UL /* Deregister Virtual Processor Area */
149 #define H_VPA_DEREG_DTL 6UL /* Deregister Dispatch Trace Log */
150 #define H_VPA_DEREG_SLB 7UL /* Deregister SLB shadow buffer */
151
152 /* VASI States */
153 #define H_VASI_INVALID 0
154 #define H_VASI_ENABLED 1
155 #define H_VASI_ABORTED 2
156 #define H_VASI_SUSPENDING 3
157 #define H_VASI_SUSPENDED 4
158 #define H_VASI_RESUMED 5
159 #define H_VASI_COMPLETED 6
160
161 /* VASI signal codes. Only the Cancel code is valid for H_VASI_SIGNAL. */
162 #define H_VASI_SIGNAL_CANCEL 1
163 #define H_VASI_SIGNAL_ABORT 2
164 #define H_VASI_SIGNAL_SUSPEND 3
165 #define H_VASI_SIGNAL_COMPLETE 4
166 #define H_VASI_SIGNAL_ENABLE 5
167 #define H_VASI_SIGNAL_FAILOVER 6
168
169 /* Each control block has to be on a 4K boundary */
170 #define H_CB_ALIGNMENT 4096
171
172 /* pSeries hypervisor opcodes */
173 #define H_REMOVE 0x04
174 #define H_ENTER 0x08
175 #define H_READ 0x0c
176 #define H_CLEAR_MOD 0x10
177 #define H_CLEAR_REF 0x14
178 #define H_PROTECT 0x18
179 #define H_GET_TCE 0x1c
180 #define H_PUT_TCE 0x20
181 #define H_SET_SPRG0 0x24
182 #define H_SET_DABR 0x28
183 #define H_PAGE_INIT 0x2c
184 #define H_SET_ASR 0x30
185 #define H_ASR_ON 0x34
186 #define H_ASR_OFF 0x38
187 #define H_LOGICAL_CI_LOAD 0x3c
188 #define H_LOGICAL_CI_STORE 0x40
189 #define H_LOGICAL_CACHE_LOAD 0x44
190 #define H_LOGICAL_CACHE_STORE 0x48
191 #define H_LOGICAL_ICBI 0x4c
192 #define H_LOGICAL_DCBF 0x50
193 #define H_GET_TERM_CHAR 0x54
194 #define H_PUT_TERM_CHAR 0x58
195 #define H_REAL_TO_LOGICAL 0x5c
196 #define H_HYPERVISOR_DATA 0x60
197 #define H_EOI 0x64
198 #define H_CPPR 0x68
199 #define H_IPI 0x6c
200 #define H_IPOLL 0x70
201 #define H_XIRR 0x74
202 #define H_PERFMON 0x7c
203 #define H_MIGRATE_DMA 0x78
204 #define H_REGISTER_VPA 0xDC
205 #define H_CEDE 0xE0
206 #define H_CONFER 0xE4
207 #define H_PROD 0xE8
208 #define H_GET_PPP 0xEC
209 #define H_SET_PPP 0xF0
210 #define H_PURR 0xF4
211 #define H_PIC 0xF8
212 #define H_REG_CRQ 0xFC
213 #define H_FREE_CRQ 0x100
214 #define H_VIO_SIGNAL 0x104
215 #define H_SEND_CRQ 0x108
216 #define H_COPY_RDMA 0x110
217 #define H_REGISTER_LOGICAL_LAN 0x114
218 #define H_FREE_LOGICAL_LAN 0x118
219 #define H_ADD_LOGICAL_LAN_BUFFER 0x11C
220 #define H_SEND_LOGICAL_LAN 0x120
221 #define H_BULK_REMOVE 0x124
222 #define H_MULTICAST_CTRL 0x130
223 #define H_SET_XDABR 0x134
224 #define H_STUFF_TCE 0x138
225 #define H_PUT_TCE_INDIRECT 0x13C
226 #define H_CHANGE_LOGICAL_LAN_MAC 0x14C
227 #define H_VTERM_PARTNER_INFO 0x150
228 #define H_REGISTER_VTERM 0x154
229 #define H_FREE_VTERM 0x158
230 #define H_RESET_EVENTS 0x15C
231 #define H_ALLOC_RESOURCE 0x160
232 #define H_FREE_RESOURCE 0x164
233 #define H_MODIFY_QP 0x168
234 #define H_QUERY_QP 0x16C
235 #define H_REREGISTER_PMR 0x170
236 #define H_REGISTER_SMR 0x174
237 #define H_QUERY_MR 0x178
238 #define H_QUERY_MW 0x17C
239 #define H_QUERY_HCA 0x180
240 #define H_QUERY_PORT 0x184
241 #define H_MODIFY_PORT 0x188
242 #define H_DEFINE_AQP1 0x18C
243 #define H_GET_TRACE_BUFFER 0x190
244 #define H_DEFINE_AQP0 0x194
245 #define H_RESIZE_MR 0x198
246 #define H_ATTACH_MCQP 0x19C
247 #define H_DETACH_MCQP 0x1A0
248 #define H_CREATE_RPT 0x1A4
249 #define H_REMOVE_RPT 0x1A8
250 #define H_REGISTER_RPAGES 0x1AC
251 #define H_DISABLE_AND_GET 0x1B0
252 #define H_ERROR_DATA 0x1B4
253 #define H_GET_HCA_INFO 0x1B8
254 #define H_GET_PERF_COUNT 0x1BC
255 #define H_MANAGE_TRACE 0x1C0
256 #define H_GET_CPU_CHARACTERISTICS 0x1C8
257 #define H_FREE_LOGICAL_LAN_BUFFER 0x1D4
258 #define H_QUERY_INT_STATE 0x1E4
259 #define H_POLL_PENDING 0x1D8
260 #define H_ILLAN_ATTRIBUTES 0x244
261 #define H_MODIFY_HEA_QP 0x250
262 #define H_QUERY_HEA_QP 0x254
263 #define H_QUERY_HEA 0x258
264 #define H_QUERY_HEA_PORT 0x25C
265 #define H_MODIFY_HEA_PORT 0x260
266 #define H_REG_BCMC 0x264
267 #define H_DEREG_BCMC 0x268
268 #define H_REGISTER_HEA_RPAGES 0x26C
269 #define H_DISABLE_AND_GET_HEA 0x270
270 #define H_GET_HEA_INFO 0x274
271 #define H_ALLOC_HEA_RESOURCE 0x278
272 #define H_ADD_CONN 0x284
273 #define H_DEL_CONN 0x288
274 #define H_JOIN 0x298
275 #define H_VASI_SIGNAL 0x2A0
276 #define H_VASI_STATE 0x2A4
277 #define H_VIOCTL 0x2A8
278 #define H_ENABLE_CRQ 0x2B0
279 #define H_GET_EM_PARMS 0x2B8
280 #define H_SET_MPP 0x2D0
281 #define H_GET_MPP 0x2D4
282 #define H_REG_SUB_CRQ 0x2DC
283 #define H_HOME_NODE_ASSOCIATIVITY 0x2EC
284 #define H_FREE_SUB_CRQ 0x2E0
285 #define H_SEND_SUB_CRQ 0x2E4
286 #define H_SEND_SUB_CRQ_INDIRECT 0x2E8
287 #define H_BEST_ENERGY 0x2F4
288 #define H_XIRR_X 0x2FC
289 #define H_RANDOM 0x300
290 #define H_COP 0x304
291 #define H_GET_MPP_X 0x314
292 #define H_SET_MODE 0x31C
293 #define H_BLOCK_REMOVE 0x328
294 #define H_CLEAR_HPT 0x358
295 #define H_REQUEST_VMC 0x360
296 #define H_RESIZE_HPT_PREPARE 0x36C
297 #define H_RESIZE_HPT_COMMIT 0x370
298 #define H_REGISTER_PROC_TBL 0x37C
299 #define H_SIGNAL_SYS_RESET 0x380
300 #define H_ALLOCATE_VAS_WINDOW 0x388
301 #define H_MODIFY_VAS_WINDOW 0x38C
302 #define H_DEALLOCATE_VAS_WINDOW 0x390
303 #define H_QUERY_VAS_WINDOW 0x394
304 #define H_QUERY_VAS_CAPABILITIES 0x398
305 #define H_QUERY_NX_CAPABILITIES 0x39C
306 #define H_GET_NX_FAULT 0x3A0
307 #define H_INT_GET_SOURCE_INFO 0x3A8
308 #define H_INT_SET_SOURCE_CONFIG 0x3AC
309 #define H_INT_GET_SOURCE_CONFIG 0x3B0
310 #define H_INT_GET_QUEUE_INFO 0x3B4
311 #define H_INT_SET_QUEUE_CONFIG 0x3B8
312 #define H_INT_GET_QUEUE_CONFIG 0x3BC
313 #define H_INT_SET_OS_REPORTING_LINE 0x3C0
314 #define H_INT_GET_OS_REPORTING_LINE 0x3C4
315 #define H_INT_ESB 0x3C8
316 #define H_INT_SYNC 0x3CC
317 #define H_INT_RESET 0x3D0
318 #define H_SCM_READ_METADATA 0x3E4
319 #define H_SCM_WRITE_METADATA 0x3E8
320 #define H_SCM_BIND_MEM 0x3EC
321 #define H_SCM_UNBIND_MEM 0x3F0
322 #define H_SCM_QUERY_BLOCK_MEM_BINDING 0x3F4
323 #define H_SCM_QUERY_LOGICAL_MEM_BINDING 0x3F8
324 #define H_SCM_UNBIND_ALL 0x3FC
325 #define H_SCM_HEALTH 0x400
326 #define H_SCM_PERFORMANCE_STATS 0x418
327 #define H_PKS_GET_CONFIG 0x41C
328 #define H_PKS_SET_PASSWORD 0x420
329 #define H_PKS_GEN_PASSWORD 0x424
330 #define H_PKS_WRITE_OBJECT 0x42C
331 #define H_PKS_GEN_KEY 0x430
332 #define H_PKS_READ_OBJECT 0x434
333 #define H_PKS_REMOVE_OBJECT 0x438
334 #define H_PKS_CONFIRM_OBJECT_FLUSHED 0x43C
335 #define H_RPT_INVALIDATE 0x448
336 #define H_SCM_FLUSH 0x44C
337 #define H_GET_ENERGY_SCALE_INFO 0x450
338 #define H_WATCHDOG 0x45C
339 #define MAX_HCALL_OPCODE H_WATCHDOG
340
341 /* Scope args for H_SCM_UNBIND_ALL */
342 #define H_UNBIND_SCOPE_ALL (0x1)
343 #define H_UNBIND_SCOPE_DRC (0x2)
344
345 /* H_VIOCTL functions */
346 #define H_GET_VIOA_DUMP_SIZE 0x01
347 #define H_GET_VIOA_DUMP 0x02
348 #define H_GET_ILLAN_NUM_VLAN_IDS 0x03
349 #define H_GET_ILLAN_VLAN_ID_LIST 0x04
350 #define H_GET_ILLAN_SWITCH_ID 0x05
351 #define H_DISABLE_MIGRATION 0x06
352 #define H_ENABLE_MIGRATION 0x07
353 #define H_GET_PARTNER_INFO 0x08
354 #define H_GET_PARTNER_WWPN_LIST 0x09
355 #define H_DISABLE_ALL_VIO_INTS 0x0A
356 #define H_DISABLE_VIO_INTERRUPT 0x0B
357 #define H_ENABLE_VIO_INTERRUPT 0x0C
358 #define H_GET_SESSION_TOKEN 0x19
359 #define H_SESSION_ERR_DETECTED 0x1A
360
361
362 /* Platform specific hcalls, used by KVM */
363 #define H_RTAS 0xf000
364
365 /*
366 * Platform specific hcalls, used by QEMU/SLOF. These are ignored by
367 * KVM and only kept here so we can identify them during tracing.
368 */
369 #define H_LOGICAL_MEMOP 0xF001
370 #define H_CAS 0XF002
371 #define H_UPDATE_DT 0XF003
372
373 /* "Platform specific hcalls", provided by PHYP */
374 #define H_GET_24X7_CATALOG_PAGE 0xF078
375 #define H_GET_24X7_DATA 0xF07C
376 #define H_GET_PERF_COUNTER_INFO 0xF080
377
378 /* Platform-specific hcalls used for nested HV KVM */
379 #define H_SET_PARTITION_TABLE 0xF800
380 #define H_ENTER_NESTED 0xF804
381 #define H_TLB_INVALIDATE 0xF808
382 #define H_COPY_TOFROM_GUEST 0xF80C
383
384 /* Flags for H_SVM_PAGE_IN */
385 #define H_PAGE_IN_SHARED 0x1
386
387 /* Platform-specific hcalls used by the Ultravisor */
388 #define H_SVM_PAGE_IN 0xEF00
389 #define H_SVM_PAGE_OUT 0xEF04
390 #define H_SVM_INIT_START 0xEF08
391 #define H_SVM_INIT_DONE 0xEF0C
392 #define H_SVM_INIT_ABORT 0xEF14
393
394 /* Values for 2nd argument to H_SET_MODE */
395 #define H_SET_MODE_RESOURCE_SET_CIABR 1
396 #define H_SET_MODE_RESOURCE_SET_DAWR0 2
397 #define H_SET_MODE_RESOURCE_ADDR_TRANS_MODE 3
398 #define H_SET_MODE_RESOURCE_LE 4
399 #define H_SET_MODE_RESOURCE_SET_DAWR1 5
400
401 /* Values for argument to H_SIGNAL_SYS_RESET */
402 #define H_SIGNAL_SYS_RESET_ALL -1
403 #define H_SIGNAL_SYS_RESET_ALL_OTHERS -2
404 /* >= 0 values are CPU number */
405
406 /* H_GET_CPU_CHARACTERISTICS return values */
407 #define H_CPU_CHAR_SPEC_BAR_ORI31 (1ull << 63) // IBM bit 0
408 #define H_CPU_CHAR_BCCTRL_SERIALISED (1ull << 62) // IBM bit 1
409 #define H_CPU_CHAR_L1D_FLUSH_ORI30 (1ull << 61) // IBM bit 2
410 #define H_CPU_CHAR_L1D_FLUSH_TRIG2 (1ull << 60) // IBM bit 3
411 #define H_CPU_CHAR_L1D_THREAD_PRIV (1ull << 59) // IBM bit 4
412 #define H_CPU_CHAR_BRANCH_HINTS_HONORED (1ull << 58) // IBM bit 5
413 #define H_CPU_CHAR_THREAD_RECONFIG_CTRL (1ull << 57) // IBM bit 6
414 #define H_CPU_CHAR_COUNT_CACHE_DISABLED (1ull << 56) // IBM bit 7
415 #define H_CPU_CHAR_BCCTR_FLUSH_ASSIST (1ull << 54) // IBM bit 9
416 #define H_CPU_CHAR_BCCTR_LINK_FLUSH_ASSIST (1ull << 52) // IBM bit 11
417
418 #define H_CPU_BEHAV_FAVOUR_SECURITY (1ull << 63) // IBM bit 0
419 #define H_CPU_BEHAV_L1D_FLUSH_PR (1ull << 62) // IBM bit 1
420 #define H_CPU_BEHAV_BNDS_CHK_SPEC_BAR (1ull << 61) // IBM bit 2
421 #define H_CPU_BEHAV_FAVOUR_SECURITY_H (1ull << 60) // IBM bit 3
422 #define H_CPU_BEHAV_FLUSH_COUNT_CACHE (1ull << 58) // IBM bit 5
423 #define H_CPU_BEHAV_FLUSH_LINK_STACK (1ull << 57) // IBM bit 6
424 #define H_CPU_BEHAV_NO_L1D_FLUSH_ENTRY (1ull << 56) // IBM bit 7
425 #define H_CPU_BEHAV_NO_L1D_FLUSH_UACCESS (1ull << 55) // IBM bit 8
426 #define H_CPU_BEHAV_NO_STF_BARRIER (1ull << 54) // IBM bit 9
427
428 /* Flag values used in H_REGISTER_PROC_TBL hcall */
429 #define PROC_TABLE_OP_MASK 0x18
430 #define PROC_TABLE_DEREG 0x10
431 #define PROC_TABLE_NEW 0x18
432 #define PROC_TABLE_TYPE_MASK 0x06
433 #define PROC_TABLE_HPT_SLB 0x00
434 #define PROC_TABLE_HPT_PT 0x02
435 #define PROC_TABLE_RADIX 0x04
436 #define PROC_TABLE_GTSE 0x01
437
438 /*
439 * Defines for
440 * H_RPT_INVALIDATE - Invalidate RPT translation lookaside information.
441 */
442
443 /* Type of translation to invalidate (type) */
444 #define H_RPTI_TYPE_NESTED 0x0001 /* Invalidate nested guest partition-scope */
445 #define H_RPTI_TYPE_TLB 0x0002 /* Invalidate TLB */
446 #define H_RPTI_TYPE_PWC 0x0004 /* Invalidate Page Walk Cache */
447 /* Invalidate caching of Process Table Entries if H_RPTI_TYPE_NESTED is clear */
448 #define H_RPTI_TYPE_PRT 0x0008
449 /* Invalidate caching of Partition Table Entries if H_RPTI_TYPE_NESTED is set */
450 #define H_RPTI_TYPE_PAT 0x0008
451 #define H_RPTI_TYPE_ALL (H_RPTI_TYPE_TLB | H_RPTI_TYPE_PWC | \
452 H_RPTI_TYPE_PRT)
453 #define H_RPTI_TYPE_NESTED_ALL (H_RPTI_TYPE_TLB | H_RPTI_TYPE_PWC | \
454 H_RPTI_TYPE_PAT)
455
456 /* Invalidation targets (target) */
457 #define H_RPTI_TARGET_CMMU 0x01 /* All virtual processors in the partition */
458 #define H_RPTI_TARGET_CMMU_LOCAL 0x02 /* Current virtual processor */
459 /* All nest/accelerator agents in use by the partition */
460 #define H_RPTI_TARGET_NMMU 0x04
461
462 /* Page size mask (page sizes) */
463 #define H_RPTI_PAGE_4K 0x01
464 #define H_RPTI_PAGE_64K 0x02
465 #define H_RPTI_PAGE_2M 0x04
466 #define H_RPTI_PAGE_1G 0x08
467 #define H_RPTI_PAGE_ALL (-1UL)
468
469 #ifndef __ASSEMBLY__
470 #include <linux/types.h>
471
472 /**
473 * plpar_hcall_norets: - Make a pseries hypervisor call with no return arguments
474 * @opcode: The hypervisor call to make.
475 *
476 * This call supports up to 7 arguments and only returns the status of
477 * the hcall. Use this version where possible, its slightly faster than
478 * the other plpar_hcalls.
479 */
480 long plpar_hcall_norets(unsigned long opcode, ...);
481
482 /* Variant which does not do hcall tracing */
483 long plpar_hcall_norets_notrace(unsigned long opcode, ...);
484
485 /**
486 * plpar_hcall: - Make a pseries hypervisor call
487 * @opcode: The hypervisor call to make.
488 * @retbuf: Buffer to store up to 4 return arguments in.
489 *
490 * This call supports up to 6 arguments and 4 return arguments. Use
491 * PLPAR_HCALL_BUFSIZE to size the return argument buffer.
492 *
493 * Used for all but the craziest of phyp interfaces (see plpar_hcall9)
494 */
495 #define PLPAR_HCALL_BUFSIZE 4
496 long plpar_hcall(unsigned long opcode, unsigned long *retbuf, ...);
497
498 /**
499 * plpar_hcall_raw: - Make a hypervisor call without calculating hcall stats
500 * @opcode: The hypervisor call to make.
501 * @retbuf: Buffer to store up to 4 return arguments in.
502 *
503 * This call supports up to 6 arguments and 4 return arguments. Use
504 * PLPAR_HCALL_BUFSIZE to size the return argument buffer.
505 *
506 * Used when phyp interface needs to be called in real mode. Similar to
507 * plpar_hcall, but plpar_hcall_raw works in real mode and does not
508 * calculate hypervisor call statistics.
509 */
510 long plpar_hcall_raw(unsigned long opcode, unsigned long *retbuf, ...);
511
512 /**
513 * plpar_hcall9: - Make a pseries hypervisor call with up to 9 return arguments
514 * @opcode: The hypervisor call to make.
515 * @retbuf: Buffer to store up to 9 return arguments in.
516 *
517 * This call supports up to 9 arguments and 9 return arguments. Use
518 * PLPAR_HCALL9_BUFSIZE to size the return argument buffer.
519 */
520 #define PLPAR_HCALL9_BUFSIZE 9
521 long plpar_hcall9(unsigned long opcode, unsigned long *retbuf, ...);
522 long plpar_hcall9_raw(unsigned long opcode, unsigned long *retbuf, ...);
523
524 /* pseries hcall tracing */
525 extern struct static_key hcall_tracepoint_key;
526 void __trace_hcall_entry(unsigned long opcode, unsigned long *args);
527 void __trace_hcall_exit(long opcode, long retval, unsigned long *retbuf);
528
529 struct hvcall_mpp_data {
530 unsigned long entitled_mem;
531 unsigned long mapped_mem;
532 unsigned short group_num;
533 unsigned short pool_num;
534 unsigned char mem_weight;
535 unsigned char unallocated_mem_weight;
536 unsigned long unallocated_entitlement; /* value in bytes */
537 unsigned long pool_size;
538 signed long loan_request;
539 unsigned long backing_mem;
540 };
541
542 int h_get_mpp(struct hvcall_mpp_data *);
543
544 struct hvcall_mpp_x_data {
545 unsigned long coalesced_bytes;
546 unsigned long pool_coalesced_bytes;
547 unsigned long pool_purr_cycles;
548 unsigned long pool_spurr_cycles;
549 unsigned long reserved[3];
550 };
551
552 int h_get_mpp_x(struct hvcall_mpp_x_data *mpp_x_data);
553
get_longbusy_msecs(int longbusy_rc)554 static inline unsigned int get_longbusy_msecs(int longbusy_rc)
555 {
556 switch (longbusy_rc) {
557 case H_LONG_BUSY_ORDER_1_MSEC:
558 return 1;
559 case H_LONG_BUSY_ORDER_10_MSEC:
560 return 10;
561 case H_LONG_BUSY_ORDER_100_MSEC:
562 return 100;
563 case H_LONG_BUSY_ORDER_1_SEC:
564 return 1000;
565 case H_LONG_BUSY_ORDER_10_SEC:
566 return 10000;
567 case H_LONG_BUSY_ORDER_100_SEC:
568 return 100000;
569 default:
570 return 1;
571 }
572 }
573
574 struct h_cpu_char_result {
575 u64 character;
576 u64 behaviour;
577 };
578
579 /*
580 * Register state for entering a nested guest with H_ENTER_NESTED.
581 * New member must be added at the end.
582 */
583 struct hv_guest_state {
584 u64 version; /* version of this structure layout, must be first */
585 u32 lpid;
586 u32 vcpu_token;
587 /* These registers are hypervisor privileged (at least for writing) */
588 u64 lpcr;
589 u64 pcr;
590 u64 amor;
591 u64 dpdes;
592 u64 hfscr;
593 s64 tb_offset;
594 u64 dawr0;
595 u64 dawrx0;
596 u64 ciabr;
597 u64 hdec_expiry;
598 u64 purr;
599 u64 spurr;
600 u64 ic;
601 u64 vtb;
602 u64 hdar;
603 u64 hdsisr;
604 u64 heir;
605 u64 asdr;
606 /* These are OS privileged but need to be set late in guest entry */
607 u64 srr0;
608 u64 srr1;
609 u64 sprg[4];
610 u64 pidr;
611 u64 cfar;
612 u64 ppr;
613 /* Version 1 ends here */
614 u64 dawr1;
615 u64 dawrx1;
616 /* Version 2 ends here */
617 };
618
619 /* Latest version of hv_guest_state structure */
620 #define HV_GUEST_STATE_VERSION 2
621
hv_guest_state_size(unsigned int version)622 static inline int hv_guest_state_size(unsigned int version)
623 {
624 switch (version) {
625 case 1:
626 return offsetofend(struct hv_guest_state, ppr);
627 case 2:
628 return offsetofend(struct hv_guest_state, dawrx1);
629 default:
630 return -1;
631 }
632 }
633
634 /*
635 * From the document "H_GetPerformanceCounterInfo Interface" v1.07
636 *
637 * H_GET_PERF_COUNTER_INFO argument
638 */
639 struct hv_get_perf_counter_info_params {
640 __be32 counter_request; /* I */
641 __be32 starting_index; /* IO */
642 __be16 secondary_index; /* IO */
643 __be16 returned_values; /* O */
644 __be32 detail_rc; /* O, only needed when called via *_norets() */
645
646 /*
647 * O, size each of counter_value element in bytes, only set for version
648 * >= 0x3
649 */
650 __be16 cv_element_size;
651
652 /* I, 0 (zero) for versions < 0x3 */
653 __u8 counter_info_version_in;
654
655 /* O, 0 (zero) if version < 0x3. Must be set to 0 when making hcall */
656 __u8 counter_info_version_out;
657 __u8 reserved[0xC];
658 __u8 counter_value[];
659 } __packed;
660
661 #define HGPCI_REQ_BUFFER_SIZE 4096
662 #define HGPCI_MAX_DATA_BYTES \
663 (HGPCI_REQ_BUFFER_SIZE - sizeof(struct hv_get_perf_counter_info_params))
664
665 struct hv_gpci_request_buffer {
666 struct hv_get_perf_counter_info_params params;
667 uint8_t bytes[HGPCI_MAX_DATA_BYTES];
668 } __packed;
669
670 #endif /* __ASSEMBLY__ */
671 #endif /* __KERNEL__ */
672 #endif /* _ASM_POWERPC_HVCALL_H */
673