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
104 #define H_INVALID_ELEMENT_ID -79
105 #define H_INVALID_ELEMENT_SIZE -80
106 #define H_INVALID_ELEMENT_VALUE -81
107 #define H_INPUT_BUFFER_NOT_DEFINED -82
108 #define H_INPUT_BUFFER_TOO_SMALL -83
109 #define H_OUTPUT_BUFFER_NOT_DEFINED -84
110 #define H_OUTPUT_BUFFER_TOO_SMALL -85
111 #define H_PARTITION_PAGE_TABLE_NOT_DEFINED -86
112 #define H_GUEST_VCPU_STATE_NOT_HV_OWNED -87
113
114
115 #define H_UNSUPPORTED_FLAG_START -256
116 #define H_UNSUPPORTED_FLAG_END -511
117 #define H_MULTI_THREADS_ACTIVE -9005
118 #define H_OUTSTANDING_COP_OPS -9006
119
120
121 /* Long Busy is a condition that can be returned by the firmware
122 * when a call cannot be completed now, but the identical call
123 * should be retried later. This prevents calls blocking in the
124 * firmware for long periods of time. Annoyingly the firmware can return
125 * a range of return codes, hinting at how long we should wait before
126 * retrying. If you don't care for the hint, the macro below is a good
127 * way to check for the long_busy return codes
128 */
129 #define H_IS_LONG_BUSY(x) ((x >= H_LONG_BUSY_START_RANGE) \
130 && (x <= H_LONG_BUSY_END_RANGE))
131
132 /* Flags */
133 #define H_LARGE_PAGE (1UL<<(63-16))
134 #define H_EXACT (1UL<<(63-24)) /* Use exact PTE or return H_PTEG_FULL */
135 #define H_R_XLATE (1UL<<(63-25)) /* include a valid logical page num in the pte if the valid bit is set */
136 #define H_READ_4 (1UL<<(63-26)) /* Return 4 PTEs */
137 #define H_PAGE_STATE_CHANGE (1UL<<(63-28))
138 #define H_PAGE_UNUSED ((1UL<<(63-29)) | (1UL<<(63-30)))
139 #define H_PAGE_SET_UNUSED (H_PAGE_STATE_CHANGE | H_PAGE_UNUSED)
140 #define H_PAGE_SET_LOANED (H_PAGE_SET_UNUSED | (1UL<<(63-31)))
141 #define H_PAGE_SET_ACTIVE H_PAGE_STATE_CHANGE
142 #define H_AVPN (1UL<<(63-32)) /* An avpn is provided as a sanity test */
143 #define H_ANDCOND (1UL<<(63-33))
144 #define H_LOCAL (1UL<<(63-35))
145 #define H_ICACHE_INVALIDATE (1UL<<(63-40)) /* icbi, etc. (ignored for IO pages) */
146 #define H_ICACHE_SYNCHRONIZE (1UL<<(63-41)) /* dcbst, icbi, etc (ignored for IO pages */
147 #define H_COALESCE_CAND (1UL<<(63-42)) /* page is a good candidate for coalescing */
148 #define H_ZERO_PAGE (1UL<<(63-48)) /* zero the page before mapping (ignored for IO pages) */
149 #define H_COPY_PAGE (1UL<<(63-49))
150 #define H_N (1UL<<(63-61))
151 #define H_PP1 (1UL<<(63-62))
152 #define H_PP2 (1UL<<(63-63))
153
154 /* Flags for H_REGISTER_VPA subfunction field */
155 #define H_VPA_FUNC_SHIFT (63-18) /* Bit posn of subfunction code */
156 #define H_VPA_FUNC_MASK 7UL
157 #define H_VPA_REG_VPA 1UL /* Register Virtual Processor Area */
158 #define H_VPA_REG_DTL 2UL /* Register Dispatch Trace Log */
159 #define H_VPA_REG_SLB 3UL /* Register SLB shadow buffer */
160 #define H_VPA_DEREG_VPA 5UL /* Deregister Virtual Processor Area */
161 #define H_VPA_DEREG_DTL 6UL /* Deregister Dispatch Trace Log */
162 #define H_VPA_DEREG_SLB 7UL /* Deregister SLB shadow buffer */
163
164 /* VASI States */
165 #define H_VASI_INVALID 0
166 #define H_VASI_ENABLED 1
167 #define H_VASI_ABORTED 2
168 #define H_VASI_SUSPENDING 3
169 #define H_VASI_SUSPENDED 4
170 #define H_VASI_RESUMED 5
171 #define H_VASI_COMPLETED 6
172
173 /* VASI signal codes. Only the Cancel code is valid for H_VASI_SIGNAL. */
174 #define H_VASI_SIGNAL_CANCEL 1
175 #define H_VASI_SIGNAL_ABORT 2
176 #define H_VASI_SIGNAL_SUSPEND 3
177 #define H_VASI_SIGNAL_COMPLETE 4
178 #define H_VASI_SIGNAL_ENABLE 5
179 #define H_VASI_SIGNAL_FAILOVER 6
180
181 /* Each control block has to be on a 4K boundary */
182 #define H_CB_ALIGNMENT 4096
183
184 /* pSeries hypervisor opcodes */
185 #define H_REMOVE 0x04
186 #define H_ENTER 0x08
187 #define H_READ 0x0c
188 #define H_CLEAR_MOD 0x10
189 #define H_CLEAR_REF 0x14
190 #define H_PROTECT 0x18
191 #define H_GET_TCE 0x1c
192 #define H_PUT_TCE 0x20
193 #define H_SET_SPRG0 0x24
194 #define H_SET_DABR 0x28
195 #define H_PAGE_INIT 0x2c
196 #define H_SET_ASR 0x30
197 #define H_ASR_ON 0x34
198 #define H_ASR_OFF 0x38
199 #define H_LOGICAL_CI_LOAD 0x3c
200 #define H_LOGICAL_CI_STORE 0x40
201 #define H_LOGICAL_CACHE_LOAD 0x44
202 #define H_LOGICAL_CACHE_STORE 0x48
203 #define H_LOGICAL_ICBI 0x4c
204 #define H_LOGICAL_DCBF 0x50
205 #define H_GET_TERM_CHAR 0x54
206 #define H_PUT_TERM_CHAR 0x58
207 #define H_REAL_TO_LOGICAL 0x5c
208 #define H_HYPERVISOR_DATA 0x60
209 #define H_EOI 0x64
210 #define H_CPPR 0x68
211 #define H_IPI 0x6c
212 #define H_IPOLL 0x70
213 #define H_XIRR 0x74
214 #define H_PERFMON 0x7c
215 #define H_MIGRATE_DMA 0x78
216 #define H_REGISTER_VPA 0xDC
217 #define H_CEDE 0xE0
218 #define H_CONFER 0xE4
219 #define H_PROD 0xE8
220 #define H_GET_PPP 0xEC
221 #define H_SET_PPP 0xF0
222 #define H_PURR 0xF4
223 #define H_PIC 0xF8
224 #define H_REG_CRQ 0xFC
225 #define H_FREE_CRQ 0x100
226 #define H_VIO_SIGNAL 0x104
227 #define H_SEND_CRQ 0x108
228 #define H_COPY_RDMA 0x110
229 #define H_REGISTER_LOGICAL_LAN 0x114
230 #define H_FREE_LOGICAL_LAN 0x118
231 #define H_ADD_LOGICAL_LAN_BUFFER 0x11C
232 #define H_SEND_LOGICAL_LAN 0x120
233 #define H_BULK_REMOVE 0x124
234 #define H_MULTICAST_CTRL 0x130
235 #define H_SET_XDABR 0x134
236 #define H_STUFF_TCE 0x138
237 #define H_PUT_TCE_INDIRECT 0x13C
238 #define H_CHANGE_LOGICAL_LAN_MAC 0x14C
239 #define H_VTERM_PARTNER_INFO 0x150
240 #define H_REGISTER_VTERM 0x154
241 #define H_FREE_VTERM 0x158
242 #define H_RESET_EVENTS 0x15C
243 #define H_ALLOC_RESOURCE 0x160
244 #define H_FREE_RESOURCE 0x164
245 #define H_MODIFY_QP 0x168
246 #define H_QUERY_QP 0x16C
247 #define H_REREGISTER_PMR 0x170
248 #define H_REGISTER_SMR 0x174
249 #define H_QUERY_MR 0x178
250 #define H_QUERY_MW 0x17C
251 #define H_QUERY_HCA 0x180
252 #define H_QUERY_PORT 0x184
253 #define H_MODIFY_PORT 0x188
254 #define H_DEFINE_AQP1 0x18C
255 #define H_GET_TRACE_BUFFER 0x190
256 #define H_DEFINE_AQP0 0x194
257 #define H_RESIZE_MR 0x198
258 #define H_ATTACH_MCQP 0x19C
259 #define H_DETACH_MCQP 0x1A0
260 #define H_CREATE_RPT 0x1A4
261 #define H_REMOVE_RPT 0x1A8
262 #define H_REGISTER_RPAGES 0x1AC
263 #define H_DISABLE_AND_GET 0x1B0
264 #define H_ERROR_DATA 0x1B4
265 #define H_GET_HCA_INFO 0x1B8
266 #define H_GET_PERF_COUNT 0x1BC
267 #define H_MANAGE_TRACE 0x1C0
268 #define H_GET_CPU_CHARACTERISTICS 0x1C8
269 #define H_FREE_LOGICAL_LAN_BUFFER 0x1D4
270 #define H_QUERY_INT_STATE 0x1E4
271 #define H_POLL_PENDING 0x1D8
272 #define H_ILLAN_ATTRIBUTES 0x244
273 #define H_MODIFY_HEA_QP 0x250
274 #define H_QUERY_HEA_QP 0x254
275 #define H_QUERY_HEA 0x258
276 #define H_QUERY_HEA_PORT 0x25C
277 #define H_MODIFY_HEA_PORT 0x260
278 #define H_REG_BCMC 0x264
279 #define H_DEREG_BCMC 0x268
280 #define H_REGISTER_HEA_RPAGES 0x26C
281 #define H_DISABLE_AND_GET_HEA 0x270
282 #define H_GET_HEA_INFO 0x274
283 #define H_ALLOC_HEA_RESOURCE 0x278
284 #define H_ADD_CONN 0x284
285 #define H_DEL_CONN 0x288
286 #define H_JOIN 0x298
287 #define H_VASI_SIGNAL 0x2A0
288 #define H_VASI_STATE 0x2A4
289 #define H_VIOCTL 0x2A8
290 #define H_ENABLE_CRQ 0x2B0
291 #define H_GET_EM_PARMS 0x2B8
292 #define H_SET_MPP 0x2D0
293 #define H_GET_MPP 0x2D4
294 #define H_REG_SUB_CRQ 0x2DC
295 #define H_HOME_NODE_ASSOCIATIVITY 0x2EC
296 #define H_FREE_SUB_CRQ 0x2E0
297 #define H_SEND_SUB_CRQ 0x2E4
298 #define H_SEND_SUB_CRQ_INDIRECT 0x2E8
299 #define H_BEST_ENERGY 0x2F4
300 #define H_XIRR_X 0x2FC
301 #define H_RANDOM 0x300
302 #define H_COP 0x304
303 #define H_GET_MPP_X 0x314
304 #define H_SET_MODE 0x31C
305 #define H_BLOCK_REMOVE 0x328
306 #define H_CLEAR_HPT 0x358
307 #define H_REQUEST_VMC 0x360
308 #define H_RESIZE_HPT_PREPARE 0x36C
309 #define H_RESIZE_HPT_COMMIT 0x370
310 #define H_REGISTER_PROC_TBL 0x37C
311 #define H_SIGNAL_SYS_RESET 0x380
312 #define H_ALLOCATE_VAS_WINDOW 0x388
313 #define H_MODIFY_VAS_WINDOW 0x38C
314 #define H_DEALLOCATE_VAS_WINDOW 0x390
315 #define H_QUERY_VAS_WINDOW 0x394
316 #define H_QUERY_VAS_CAPABILITIES 0x398
317 #define H_QUERY_NX_CAPABILITIES 0x39C
318 #define H_GET_NX_FAULT 0x3A0
319 #define H_INT_GET_SOURCE_INFO 0x3A8
320 #define H_INT_SET_SOURCE_CONFIG 0x3AC
321 #define H_INT_GET_SOURCE_CONFIG 0x3B0
322 #define H_INT_GET_QUEUE_INFO 0x3B4
323 #define H_INT_SET_QUEUE_CONFIG 0x3B8
324 #define H_INT_GET_QUEUE_CONFIG 0x3BC
325 #define H_INT_SET_OS_REPORTING_LINE 0x3C0
326 #define H_INT_GET_OS_REPORTING_LINE 0x3C4
327 #define H_INT_ESB 0x3C8
328 #define H_INT_SYNC 0x3CC
329 #define H_INT_RESET 0x3D0
330 #define H_SCM_READ_METADATA 0x3E4
331 #define H_SCM_WRITE_METADATA 0x3E8
332 #define H_SCM_BIND_MEM 0x3EC
333 #define H_SCM_UNBIND_MEM 0x3F0
334 #define H_SCM_QUERY_BLOCK_MEM_BINDING 0x3F4
335 #define H_SCM_QUERY_LOGICAL_MEM_BINDING 0x3F8
336 #define H_SCM_UNBIND_ALL 0x3FC
337 #define H_SCM_HEALTH 0x400
338 #define H_SCM_PERFORMANCE_STATS 0x418
339 #define H_PKS_GET_CONFIG 0x41C
340 #define H_PKS_SET_PASSWORD 0x420
341 #define H_PKS_GEN_PASSWORD 0x424
342 #define H_PKS_WRITE_OBJECT 0x42C
343 #define H_PKS_GEN_KEY 0x430
344 #define H_PKS_READ_OBJECT 0x434
345 #define H_PKS_REMOVE_OBJECT 0x438
346 #define H_PKS_CONFIRM_OBJECT_FLUSHED 0x43C
347 #define H_RPT_INVALIDATE 0x448
348 #define H_SCM_FLUSH 0x44C
349 #define H_GET_ENERGY_SCALE_INFO 0x450
350 #define H_PKS_SIGNED_UPDATE 0x454
351 #define H_WATCHDOG 0x45C
352 #define H_GUEST_GET_CAPABILITIES 0x460
353 #define H_GUEST_SET_CAPABILITIES 0x464
354 #define H_GUEST_CREATE 0x470
355 #define H_GUEST_CREATE_VCPU 0x474
356 #define H_GUEST_GET_STATE 0x478
357 #define H_GUEST_SET_STATE 0x47C
358 #define H_GUEST_RUN_VCPU 0x480
359 #define H_GUEST_COPY_MEMORY 0x484
360 #define H_GUEST_DELETE 0x488
361 #define MAX_HCALL_OPCODE H_GUEST_DELETE
362
363 /* Scope args for H_SCM_UNBIND_ALL */
364 #define H_UNBIND_SCOPE_ALL (0x1)
365 #define H_UNBIND_SCOPE_DRC (0x2)
366
367 /* H_VIOCTL functions */
368 #define H_GET_VIOA_DUMP_SIZE 0x01
369 #define H_GET_VIOA_DUMP 0x02
370 #define H_GET_ILLAN_NUM_VLAN_IDS 0x03
371 #define H_GET_ILLAN_VLAN_ID_LIST 0x04
372 #define H_GET_ILLAN_SWITCH_ID 0x05
373 #define H_DISABLE_MIGRATION 0x06
374 #define H_ENABLE_MIGRATION 0x07
375 #define H_GET_PARTNER_INFO 0x08
376 #define H_GET_PARTNER_WWPN_LIST 0x09
377 #define H_DISABLE_ALL_VIO_INTS 0x0A
378 #define H_DISABLE_VIO_INTERRUPT 0x0B
379 #define H_ENABLE_VIO_INTERRUPT 0x0C
380 #define H_GET_SESSION_TOKEN 0x19
381 #define H_SESSION_ERR_DETECTED 0x1A
382
383
384 /* Platform specific hcalls, used by KVM */
385 #define H_RTAS 0xf000
386
387 /*
388 * Platform specific hcalls, used by QEMU/SLOF. These are ignored by
389 * KVM and only kept here so we can identify them during tracing.
390 */
391 #define H_LOGICAL_MEMOP 0xF001
392 #define H_CAS 0XF002
393 #define H_UPDATE_DT 0XF003
394
395 /* "Platform specific hcalls", provided by PHYP */
396 #define H_GET_24X7_CATALOG_PAGE 0xF078
397 #define H_GET_24X7_DATA 0xF07C
398 #define H_GET_PERF_COUNTER_INFO 0xF080
399
400 /* Platform-specific hcalls used for nested HV KVM */
401 #define H_SET_PARTITION_TABLE 0xF800
402 #define H_ENTER_NESTED 0xF804
403 #define H_TLB_INVALIDATE 0xF808
404 #define H_COPY_TOFROM_GUEST 0xF80C
405
406 /* Flags for H_SVM_PAGE_IN */
407 #define H_PAGE_IN_SHARED 0x1
408
409 /* Platform-specific hcalls used by the Ultravisor */
410 #define H_SVM_PAGE_IN 0xEF00
411 #define H_SVM_PAGE_OUT 0xEF04
412 #define H_SVM_INIT_START 0xEF08
413 #define H_SVM_INIT_DONE 0xEF0C
414 #define H_SVM_INIT_ABORT 0xEF14
415
416 /* Values for 2nd argument to H_SET_MODE */
417 #define H_SET_MODE_RESOURCE_SET_CIABR 1
418 #define H_SET_MODE_RESOURCE_SET_DAWR0 2
419 #define H_SET_MODE_RESOURCE_ADDR_TRANS_MODE 3
420 #define H_SET_MODE_RESOURCE_LE 4
421 #define H_SET_MODE_RESOURCE_SET_DAWR1 5
422
423 /* Values for argument to H_SIGNAL_SYS_RESET */
424 #define H_SIGNAL_SYS_RESET_ALL -1
425 #define H_SIGNAL_SYS_RESET_ALL_OTHERS -2
426 /* >= 0 values are CPU number */
427
428 /* H_GET_CPU_CHARACTERISTICS return values */
429 #define H_CPU_CHAR_SPEC_BAR_ORI31 (1ull << 63) // IBM bit 0
430 #define H_CPU_CHAR_BCCTRL_SERIALISED (1ull << 62) // IBM bit 1
431 #define H_CPU_CHAR_L1D_FLUSH_ORI30 (1ull << 61) // IBM bit 2
432 #define H_CPU_CHAR_L1D_FLUSH_TRIG2 (1ull << 60) // IBM bit 3
433 #define H_CPU_CHAR_L1D_THREAD_PRIV (1ull << 59) // IBM bit 4
434 #define H_CPU_CHAR_BRANCH_HINTS_HONORED (1ull << 58) // IBM bit 5
435 #define H_CPU_CHAR_THREAD_RECONFIG_CTRL (1ull << 57) // IBM bit 6
436 #define H_CPU_CHAR_COUNT_CACHE_DISABLED (1ull << 56) // IBM bit 7
437 #define H_CPU_CHAR_BCCTR_FLUSH_ASSIST (1ull << 54) // IBM bit 9
438 #define H_CPU_CHAR_BCCTR_LINK_FLUSH_ASSIST (1ull << 52) // IBM bit 11
439
440 #define H_CPU_BEHAV_FAVOUR_SECURITY (1ull << 63) // IBM bit 0
441 #define H_CPU_BEHAV_L1D_FLUSH_PR (1ull << 62) // IBM bit 1
442 #define H_CPU_BEHAV_BNDS_CHK_SPEC_BAR (1ull << 61) // IBM bit 2
443 #define H_CPU_BEHAV_FAVOUR_SECURITY_H (1ull << 60) // IBM bit 3
444 #define H_CPU_BEHAV_FLUSH_COUNT_CACHE (1ull << 58) // IBM bit 5
445 #define H_CPU_BEHAV_FLUSH_LINK_STACK (1ull << 57) // IBM bit 6
446 #define H_CPU_BEHAV_NO_L1D_FLUSH_ENTRY (1ull << 56) // IBM bit 7
447 #define H_CPU_BEHAV_NO_L1D_FLUSH_UACCESS (1ull << 55) // IBM bit 8
448 #define H_CPU_BEHAV_NO_STF_BARRIER (1ull << 54) // IBM bit 9
449
450 /* Flag values used in H_REGISTER_PROC_TBL hcall */
451 #define PROC_TABLE_OP_MASK 0x18
452 #define PROC_TABLE_DEREG 0x10
453 #define PROC_TABLE_NEW 0x18
454 #define PROC_TABLE_TYPE_MASK 0x06
455 #define PROC_TABLE_HPT_SLB 0x00
456 #define PROC_TABLE_HPT_PT 0x02
457 #define PROC_TABLE_RADIX 0x04
458 #define PROC_TABLE_GTSE 0x01
459
460 /*
461 * Defines for
462 * H_RPT_INVALIDATE - Invalidate RPT translation lookaside information.
463 */
464
465 /* Type of translation to invalidate (type) */
466 #define H_RPTI_TYPE_NESTED 0x0001 /* Invalidate nested guest partition-scope */
467 #define H_RPTI_TYPE_TLB 0x0002 /* Invalidate TLB */
468 #define H_RPTI_TYPE_PWC 0x0004 /* Invalidate Page Walk Cache */
469 /* Invalidate caching of Process Table Entries if H_RPTI_TYPE_NESTED is clear */
470 #define H_RPTI_TYPE_PRT 0x0008
471 /* Invalidate caching of Partition Table Entries if H_RPTI_TYPE_NESTED is set */
472 #define H_RPTI_TYPE_PAT 0x0008
473 #define H_RPTI_TYPE_ALL (H_RPTI_TYPE_TLB | H_RPTI_TYPE_PWC | \
474 H_RPTI_TYPE_PRT)
475 #define H_RPTI_TYPE_NESTED_ALL (H_RPTI_TYPE_TLB | H_RPTI_TYPE_PWC | \
476 H_RPTI_TYPE_PAT)
477
478 /* Invalidation targets (target) */
479 #define H_RPTI_TARGET_CMMU 0x01 /* All virtual processors in the partition */
480 #define H_RPTI_TARGET_CMMU_LOCAL 0x02 /* Current virtual processor */
481 /* All nest/accelerator agents in use by the partition */
482 #define H_RPTI_TARGET_NMMU 0x04
483
484 /* Page size mask (page sizes) */
485 #define H_RPTI_PAGE_4K 0x01
486 #define H_RPTI_PAGE_64K 0x02
487 #define H_RPTI_PAGE_2M 0x04
488 #define H_RPTI_PAGE_1G 0x08
489 #define H_RPTI_PAGE_ALL (-1UL)
490
491 /* Flags for H_GUEST_{S,G}_STATE */
492 #define H_GUEST_FLAGS_WIDE (1UL<<(63-0))
493
494 /* Flag values used for H_{S,G}SET_GUEST_CAPABILITIES */
495 #define H_GUEST_CAP_COPY_MEM (1UL<<(63-0))
496 #define H_GUEST_CAP_POWER9 (1UL<<(63-1))
497 #define H_GUEST_CAP_POWER10 (1UL<<(63-2))
498 #define H_GUEST_CAP_BITMAP2 (1UL<<(63-63))
499
500 #ifndef __ASSEMBLY__
501 #include <linux/types.h>
502
503 /**
504 * plpar_hcall_norets: - Make a pseries hypervisor call with no return arguments
505 * @opcode: The hypervisor call to make.
506 *
507 * This call supports up to 7 arguments and only returns the status of
508 * the hcall. Use this version where possible, its slightly faster than
509 * the other plpar_hcalls.
510 */
511 long plpar_hcall_norets(unsigned long opcode, ...);
512
513 /* Variant which does not do hcall tracing */
514 long plpar_hcall_norets_notrace(unsigned long opcode, ...);
515
516 /**
517 * plpar_hcall: - Make a pseries hypervisor call
518 * @opcode: The hypervisor call to make.
519 * @retbuf: Buffer to store up to 4 return arguments in.
520 *
521 * This call supports up to 6 arguments and 4 return arguments. Use
522 * PLPAR_HCALL_BUFSIZE to size the return argument buffer.
523 *
524 * Used for all but the craziest of phyp interfaces (see plpar_hcall9)
525 */
526 #define PLPAR_HCALL_BUFSIZE 4
527 long plpar_hcall(unsigned long opcode, unsigned long retbuf[static PLPAR_HCALL_BUFSIZE], ...);
528
529 /**
530 * plpar_hcall_raw: - Make a hypervisor call without calculating hcall stats
531 * @opcode: The hypervisor call to make.
532 * @retbuf: Buffer to store up to 4 return arguments in.
533 *
534 * This call supports up to 6 arguments and 4 return arguments. Use
535 * PLPAR_HCALL_BUFSIZE to size the return argument buffer.
536 *
537 * Used when phyp interface needs to be called in real mode. Similar to
538 * plpar_hcall, but plpar_hcall_raw works in real mode and does not
539 * calculate hypervisor call statistics.
540 */
541 long plpar_hcall_raw(unsigned long opcode, unsigned long retbuf[static PLPAR_HCALL_BUFSIZE], ...);
542
543 /**
544 * plpar_hcall9: - Make a pseries hypervisor call with up to 9 return arguments
545 * @opcode: The hypervisor call to make.
546 * @retbuf: Buffer to store up to 9 return arguments in.
547 *
548 * This call supports up to 9 arguments and 9 return arguments. Use
549 * PLPAR_HCALL9_BUFSIZE to size the return argument buffer.
550 */
551 #define PLPAR_HCALL9_BUFSIZE 9
552 long plpar_hcall9(unsigned long opcode, unsigned long retbuf[static PLPAR_HCALL9_BUFSIZE], ...);
553 long plpar_hcall9_raw(unsigned long opcode, unsigned long retbuf[static PLPAR_HCALL9_BUFSIZE], ...);
554
555 /* pseries hcall tracing */
556 extern struct static_key hcall_tracepoint_key;
557 void __trace_hcall_entry(unsigned long opcode, unsigned long *args);
558 void __trace_hcall_exit(long opcode, long retval, unsigned long *retbuf);
559
560 struct hvcall_mpp_data {
561 unsigned long entitled_mem;
562 unsigned long mapped_mem;
563 unsigned short group_num;
564 unsigned short pool_num;
565 unsigned char mem_weight;
566 unsigned char unallocated_mem_weight;
567 unsigned long unallocated_entitlement; /* value in bytes */
568 unsigned long pool_size;
569 signed long loan_request;
570 unsigned long backing_mem;
571 };
572
573 long h_get_mpp(struct hvcall_mpp_data *mpp_data);
574
575 struct hvcall_mpp_x_data {
576 unsigned long coalesced_bytes;
577 unsigned long pool_coalesced_bytes;
578 unsigned long pool_purr_cycles;
579 unsigned long pool_spurr_cycles;
580 unsigned long reserved[3];
581 };
582
583 int h_get_mpp_x(struct hvcall_mpp_x_data *mpp_x_data);
584
585 static inline unsigned int get_longbusy_msecs(int longbusy_rc)
586 {
587 switch (longbusy_rc) {
588 case H_LONG_BUSY_ORDER_1_MSEC:
589 return 1;
590 case H_LONG_BUSY_ORDER_10_MSEC:
591 return 10;
592 case H_LONG_BUSY_ORDER_100_MSEC:
593 return 100;
594 case H_LONG_BUSY_ORDER_1_SEC:
595 return 1000;
596 case H_LONG_BUSY_ORDER_10_SEC:
597 return 10000;
598 case H_LONG_BUSY_ORDER_100_SEC:
599 return 100000;
600 default:
601 return 1;
602 }
603 }
604
605 struct h_cpu_char_result {
606 u64 character;
607 u64 behaviour;
608 };
609
610 /*
611 * Register state for entering a nested guest with H_ENTER_NESTED.
612 * New member must be added at the end.
613 */
614 struct hv_guest_state {
615 u64 version; /* version of this structure layout, must be first */
616 u32 lpid;
617 u32 vcpu_token;
618 /* These registers are hypervisor privileged (at least for writing) */
619 u64 lpcr;
620 u64 pcr;
621 u64 amor;
622 u64 dpdes;
623 u64 hfscr;
624 s64 tb_offset;
625 u64 dawr0;
626 u64 dawrx0;
627 u64 ciabr;
628 u64 hdec_expiry;
629 u64 purr;
630 u64 spurr;
631 u64 ic;
632 u64 vtb;
633 u64 hdar;
634 u64 hdsisr;
635 u64 heir;
636 u64 asdr;
637 /* These are OS privileged but need to be set late in guest entry */
638 u64 srr0;
639 u64 srr1;
640 u64 sprg[4];
641 u64 pidr;
642 u64 cfar;
643 u64 ppr;
644 /* Version 1 ends here */
645 u64 dawr1;
646 u64 dawrx1;
647 /* Version 2 ends here */
648 };
649
650 /* Latest version of hv_guest_state structure */
651 #define HV_GUEST_STATE_VERSION 2
652
653 static inline int hv_guest_state_size(unsigned int version)
654 {
655 switch (version) {
656 case 1:
657 return offsetofend(struct hv_guest_state, ppr);
658 case 2:
659 return offsetofend(struct hv_guest_state, dawrx1);
660 default:
661 return -1;
662 }
663 }
664
665 /*
666 * From the document "H_GetPerformanceCounterInfo Interface" v1.07
667 *
668 * H_GET_PERF_COUNTER_INFO argument
669 */
670 struct hv_get_perf_counter_info_params {
671 __be32 counter_request; /* I */
672 __be32 starting_index; /* IO */
673 __be16 secondary_index; /* IO */
674 __be16 returned_values; /* O */
675 __be32 detail_rc; /* O, only needed when called via *_norets() */
676
677 /*
678 * O, size each of counter_value element in bytes, only set for version
679 * >= 0x3
680 */
681 __be16 cv_element_size;
682
683 /* I, 0 (zero) for versions < 0x3 */
684 __u8 counter_info_version_in;
685
686 /* O, 0 (zero) if version < 0x3. Must be set to 0 when making hcall */
687 __u8 counter_info_version_out;
688 __u8 reserved[0xC];
689 __u8 counter_value[];
690 } __packed;
691
692 #define HGPCI_REQ_BUFFER_SIZE 4096
693 #define HGPCI_MAX_DATA_BYTES \
694 (HGPCI_REQ_BUFFER_SIZE - sizeof(struct hv_get_perf_counter_info_params))
695
696 struct hv_gpci_request_buffer {
697 struct hv_get_perf_counter_info_params params;
698 uint8_t bytes[HGPCI_MAX_DATA_BYTES];
699 } __packed;
700
701 #endif /* __ASSEMBLY__ */
702 #endif /* __KERNEL__ */
703 #endif /* _ASM_POWERPC_HVCALL_H */
704
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