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_ADD_LOGICAL_LAN_BUFFERS 0x248
274 #define H_MODIFY_HEA_QP 0x250
275 #define H_QUERY_HEA_QP 0x254
276 #define H_QUERY_HEA 0x258
277 #define H_QUERY_HEA_PORT 0x25C
278 #define H_MODIFY_HEA_PORT 0x260
279 #define H_REG_BCMC 0x264
280 #define H_DEREG_BCMC 0x268
281 #define H_REGISTER_HEA_RPAGES 0x26C
282 #define H_DISABLE_AND_GET_HEA 0x270
283 #define H_GET_HEA_INFO 0x274
284 #define H_ALLOC_HEA_RESOURCE 0x278
285 #define H_ADD_CONN 0x284
286 #define H_DEL_CONN 0x288
287 #define H_JOIN 0x298
288 #define H_VASI_SIGNAL 0x2A0
289 #define H_VASI_STATE 0x2A4
290 #define H_VIOCTL 0x2A8
291 #define H_ENABLE_CRQ 0x2B0
292 #define H_GET_EM_PARMS 0x2B8
293 #define H_SET_MPP 0x2D0
294 #define H_GET_MPP 0x2D4
295 #define H_REG_SUB_CRQ 0x2DC
296 #define H_HOME_NODE_ASSOCIATIVITY 0x2EC
297 #define H_FREE_SUB_CRQ 0x2E0
298 #define H_SEND_SUB_CRQ 0x2E4
299 #define H_SEND_SUB_CRQ_INDIRECT 0x2E8
300 #define H_BEST_ENERGY 0x2F4
301 #define H_XIRR_X 0x2FC
302 #define H_RANDOM 0x300
303 #define H_COP 0x304
304 #define H_GET_MPP_X 0x314
305 #define H_SET_MODE 0x31C
306 #define H_BLOCK_REMOVE 0x328
307 #define H_CLEAR_HPT 0x358
308 #define H_REQUEST_VMC 0x360
309 #define H_RESIZE_HPT_PREPARE 0x36C
310 #define H_RESIZE_HPT_COMMIT 0x370
311 #define H_REGISTER_PROC_TBL 0x37C
312 #define H_SIGNAL_SYS_RESET 0x380
313 #define H_ALLOCATE_VAS_WINDOW 0x388
314 #define H_MODIFY_VAS_WINDOW 0x38C
315 #define H_DEALLOCATE_VAS_WINDOW 0x390
316 #define H_QUERY_VAS_WINDOW 0x394
317 #define H_QUERY_VAS_CAPABILITIES 0x398
318 #define H_QUERY_NX_CAPABILITIES 0x39C
319 #define H_GET_NX_FAULT 0x3A0
320 #define H_INT_GET_SOURCE_INFO 0x3A8
321 #define H_INT_SET_SOURCE_CONFIG 0x3AC
322 #define H_INT_GET_SOURCE_CONFIG 0x3B0
323 #define H_INT_GET_QUEUE_INFO 0x3B4
324 #define H_INT_SET_QUEUE_CONFIG 0x3B8
325 #define H_INT_GET_QUEUE_CONFIG 0x3BC
326 #define H_INT_SET_OS_REPORTING_LINE 0x3C0
327 #define H_INT_GET_OS_REPORTING_LINE 0x3C4
328 #define H_INT_ESB 0x3C8
329 #define H_INT_SYNC 0x3CC
330 #define H_INT_RESET 0x3D0
331 #define H_SCM_READ_METADATA 0x3E4
332 #define H_SCM_WRITE_METADATA 0x3E8
333 #define H_SCM_BIND_MEM 0x3EC
334 #define H_SCM_UNBIND_MEM 0x3F0
335 #define H_SCM_QUERY_BLOCK_MEM_BINDING 0x3F4
336 #define H_SCM_QUERY_LOGICAL_MEM_BINDING 0x3F8
337 #define H_SCM_UNBIND_ALL 0x3FC
338 #define H_SCM_HEALTH 0x400
339 #define H_SCM_PERFORMANCE_STATS 0x418
340 #define H_PKS_GET_CONFIG 0x41C
341 #define H_PKS_SET_PASSWORD 0x420
342 #define H_PKS_GEN_PASSWORD 0x424
343 #define H_PKS_WRITE_OBJECT 0x42C
344 #define H_PKS_GEN_KEY 0x430
345 #define H_PKS_READ_OBJECT 0x434
346 #define H_PKS_REMOVE_OBJECT 0x438
347 #define H_PKS_CONFIRM_OBJECT_FLUSHED 0x43C
348 #define H_RPT_INVALIDATE 0x448
349 #define H_SCM_FLUSH 0x44C
350 #define H_GET_ENERGY_SCALE_INFO 0x450
351 #define H_PKS_SIGNED_UPDATE 0x454
352 #define H_HTM 0x458
353 #define H_WATCHDOG 0x45C
354 #define H_GUEST_GET_CAPABILITIES 0x460
355 #define H_GUEST_SET_CAPABILITIES 0x464
356 #define H_GUEST_CREATE 0x470
357 #define H_GUEST_CREATE_VCPU 0x474
358 #define H_GUEST_GET_STATE 0x478
359 #define H_GUEST_SET_STATE 0x47C
360 #define H_GUEST_RUN_VCPU 0x480
361 #define H_GUEST_COPY_MEMORY 0x484
362 #define H_GUEST_DELETE 0x488
363 #define H_PKS_WRAP_OBJECT 0x490
364 #define H_PKS_UNWRAP_OBJECT 0x494
365 #define MAX_HCALL_OPCODE H_PKS_UNWRAP_OBJECT
366
367 /* Scope args for H_SCM_UNBIND_ALL */
368 #define H_UNBIND_SCOPE_ALL (0x1)
369 #define H_UNBIND_SCOPE_DRC (0x2)
370
371 /* H_VIOCTL functions */
372 #define H_GET_VIOA_DUMP_SIZE 0x01
373 #define H_GET_VIOA_DUMP 0x02
374 #define H_GET_ILLAN_NUM_VLAN_IDS 0x03
375 #define H_GET_ILLAN_VLAN_ID_LIST 0x04
376 #define H_GET_ILLAN_SWITCH_ID 0x05
377 #define H_DISABLE_MIGRATION 0x06
378 #define H_ENABLE_MIGRATION 0x07
379 #define H_GET_PARTNER_INFO 0x08
380 #define H_GET_PARTNER_WWPN_LIST 0x09
381 #define H_DISABLE_ALL_VIO_INTS 0x0A
382 #define H_DISABLE_VIO_INTERRUPT 0x0B
383 #define H_ENABLE_VIO_INTERRUPT 0x0C
384 #define H_GET_SESSION_TOKEN 0x19
385 #define H_SESSION_ERR_DETECTED 0x1A
386
387
388 /* Platform specific hcalls, used by KVM */
389 #define H_RTAS 0xf000
390
391 /*
392 * Platform specific hcalls, used by QEMU/SLOF. These are ignored by
393 * KVM and only kept here so we can identify them during tracing.
394 */
395 #define H_LOGICAL_MEMOP 0xF001
396 #define H_CAS 0XF002
397 #define H_UPDATE_DT 0XF003
398
399 /* "Platform specific hcalls", provided by PHYP */
400 #define H_GET_24X7_CATALOG_PAGE 0xF078
401 #define H_GET_24X7_DATA 0xF07C
402 #define H_GET_PERF_COUNTER_INFO 0xF080
403
404 /* Platform-specific hcalls used for nested HV KVM */
405 #define H_SET_PARTITION_TABLE 0xF800
406 #define H_ENTER_NESTED 0xF804
407 #define H_TLB_INVALIDATE 0xF808
408 #define H_COPY_TOFROM_GUEST 0xF80C
409
410 /* Flags for H_SVM_PAGE_IN */
411 #define H_PAGE_IN_SHARED 0x1
412
413 /* Platform-specific hcalls used by the Ultravisor */
414 #define H_SVM_PAGE_IN 0xEF00
415 #define H_SVM_PAGE_OUT 0xEF04
416 #define H_SVM_INIT_START 0xEF08
417 #define H_SVM_INIT_DONE 0xEF0C
418 #define H_SVM_INIT_ABORT 0xEF14
419
420 /* Values for 2nd argument to H_SET_MODE */
421 #define H_SET_MODE_RESOURCE_SET_CIABR 1
422 #define H_SET_MODE_RESOURCE_SET_DAWR0 2
423 #define H_SET_MODE_RESOURCE_ADDR_TRANS_MODE 3
424 #define H_SET_MODE_RESOURCE_LE 4
425 #define H_SET_MODE_RESOURCE_SET_DAWR1 5
426
427 /* Values for argument to H_SIGNAL_SYS_RESET */
428 #define H_SIGNAL_SYS_RESET_ALL -1
429 #define H_SIGNAL_SYS_RESET_ALL_OTHERS -2
430 /* >= 0 values are CPU number */
431
432 /* H_GET_CPU_CHARACTERISTICS return values */
433 #define H_CPU_CHAR_SPEC_BAR_ORI31 (1ull << 63) // IBM bit 0
434 #define H_CPU_CHAR_BCCTRL_SERIALISED (1ull << 62) // IBM bit 1
435 #define H_CPU_CHAR_L1D_FLUSH_ORI30 (1ull << 61) // IBM bit 2
436 #define H_CPU_CHAR_L1D_FLUSH_TRIG2 (1ull << 60) // IBM bit 3
437 #define H_CPU_CHAR_L1D_THREAD_PRIV (1ull << 59) // IBM bit 4
438 #define H_CPU_CHAR_BRANCH_HINTS_HONORED (1ull << 58) // IBM bit 5
439 #define H_CPU_CHAR_THREAD_RECONFIG_CTRL (1ull << 57) // IBM bit 6
440 #define H_CPU_CHAR_COUNT_CACHE_DISABLED (1ull << 56) // IBM bit 7
441 #define H_CPU_CHAR_BCCTR_FLUSH_ASSIST (1ull << 54) // IBM bit 9
442 #define H_CPU_CHAR_BCCTR_LINK_FLUSH_ASSIST (1ull << 52) // IBM bit 11
443
444 #define H_CPU_BEHAV_FAVOUR_SECURITY (1ull << 63) // IBM bit 0
445 #define H_CPU_BEHAV_L1D_FLUSH_PR (1ull << 62) // IBM bit 1
446 #define H_CPU_BEHAV_BNDS_CHK_SPEC_BAR (1ull << 61) // IBM bit 2
447 #define H_CPU_BEHAV_FAVOUR_SECURITY_H (1ull << 60) // IBM bit 3
448 #define H_CPU_BEHAV_FLUSH_COUNT_CACHE (1ull << 58) // IBM bit 5
449 #define H_CPU_BEHAV_FLUSH_LINK_STACK (1ull << 57) // IBM bit 6
450 #define H_CPU_BEHAV_NO_L1D_FLUSH_ENTRY (1ull << 56) // IBM bit 7
451 #define H_CPU_BEHAV_NO_L1D_FLUSH_UACCESS (1ull << 55) // IBM bit 8
452 #define H_CPU_BEHAV_NO_STF_BARRIER (1ull << 54) // IBM bit 9
453
454 /* Flag values used in H_REGISTER_PROC_TBL hcall */
455 #define PROC_TABLE_OP_MASK 0x18
456 #define PROC_TABLE_DEREG 0x10
457 #define PROC_TABLE_NEW 0x18
458 #define PROC_TABLE_TYPE_MASK 0x06
459 #define PROC_TABLE_HPT_SLB 0x00
460 #define PROC_TABLE_HPT_PT 0x02
461 #define PROC_TABLE_RADIX 0x04
462 #define PROC_TABLE_GTSE 0x01
463
464 /*
465 * Defines for
466 * H_RPT_INVALIDATE - Invalidate RPT translation lookaside information.
467 */
468
469 /* Type of translation to invalidate (type) */
470 #define H_RPTI_TYPE_NESTED 0x0001 /* Invalidate nested guest partition-scope */
471 #define H_RPTI_TYPE_TLB 0x0002 /* Invalidate TLB */
472 #define H_RPTI_TYPE_PWC 0x0004 /* Invalidate Page Walk Cache */
473 /* Invalidate caching of Process Table Entries if H_RPTI_TYPE_NESTED is clear */
474 #define H_RPTI_TYPE_PRT 0x0008
475 /* Invalidate caching of Partition Table Entries if H_RPTI_TYPE_NESTED is set */
476 #define H_RPTI_TYPE_PAT 0x0008
477 #define H_RPTI_TYPE_ALL (H_RPTI_TYPE_TLB | H_RPTI_TYPE_PWC | \
478 H_RPTI_TYPE_PRT)
479 #define H_RPTI_TYPE_NESTED_ALL (H_RPTI_TYPE_TLB | H_RPTI_TYPE_PWC | \
480 H_RPTI_TYPE_PAT)
481
482 /* Invalidation targets (target) */
483 #define H_RPTI_TARGET_CMMU 0x01 /* All virtual processors in the partition */
484 #define H_RPTI_TARGET_CMMU_LOCAL 0x02 /* Current virtual processor */
485 /* All nest/accelerator agents in use by the partition */
486 #define H_RPTI_TARGET_NMMU 0x04
487
488 /* Page size mask (page sizes) */
489 #define H_RPTI_PAGE_4K 0x01
490 #define H_RPTI_PAGE_64K 0x02
491 #define H_RPTI_PAGE_2M 0x04
492 #define H_RPTI_PAGE_1G 0x08
493 #define H_RPTI_PAGE_ALL (-1UL)
494
495 /* Flags for H_GUEST_{S,G}_STATE */
496 #define H_GUEST_FLAGS_WIDE (1UL << (63 - 0))
497 #define H_GUEST_FLAGS_HOST_WIDE (1UL << (63 - 1))
498
499 /* Flag values used for H_{S,G}SET_GUEST_CAPABILITIES */
500 #define H_GUEST_CAP_COPY_MEM (1UL << (63 - 0))
501 #define H_GUEST_CAP_POWER9 (1UL << (63 - 1))
502 #define H_GUEST_CAP_POWER10 (1UL << (63 - 2))
503 #define H_GUEST_CAP_POWER11 (1UL << (63 - 3))
504 #define H_GUEST_CAP_BITMAP2 (1UL << (63 - 63))
505
506 /*
507 * Defines for H_HTM - Macros for hardware trace macro (HTM) function.
508 */
509 #define H_HTM_FLAGS_HARDWARE_TARGET (1ul << 63)
510 #define H_HTM_FLAGS_LOGICAL_TARGET (1ul << 62)
511 #define H_HTM_FLAGS_PROCID_TARGET (1ul << 61)
512 #define H_HTM_FLAGS_NOWRAP (1ul << 60)
513
514 #define H_HTM_OP_SHIFT (63-15)
515 #define H_HTM_OP(x) ((unsigned long)(x)<<H_HTM_OP_SHIFT)
516 #define H_HTM_OP_CAPABILITIES 0x01
517 #define H_HTM_OP_STATUS 0x02
518 #define H_HTM_OP_SETUP 0x03
519 #define H_HTM_OP_CONFIGURE 0x04
520 #define H_HTM_OP_START 0x05
521 #define H_HTM_OP_STOP 0x06
522 #define H_HTM_OP_DECONFIGURE 0x07
523 #define H_HTM_OP_DUMP_DETAILS 0x08
524 #define H_HTM_OP_DUMP_DATA 0x09
525 #define H_HTM_OP_DUMP_SYSMEM_CONF 0x0a
526 #define H_HTM_OP_DUMP_SYSPROC_CONF 0x0b
527
528 #define H_HTM_TYPE_SHIFT (63-31)
529 #define H_HTM_TYPE(x) ((unsigned long)(x)<<H_HTM_TYPE_SHIFT)
530 #define H_HTM_TYPE_NEST 0x01
531 #define H_HTM_TYPE_CORE 0x02
532 #define H_HTM_TYPE_LLAT 0x03
533 #define H_HTM_TYPE_GLOBAL 0xff
534
535 #define H_HTM_TARGET_NODE_INDEX(x) ((unsigned long)(x)<<(63-15))
536 #define H_HTM_TARGET_NODAL_CHIP_INDEX(x) ((unsigned long)(x)<<(63-31))
537 #define H_HTM_TARGET_CORE_INDEX_ON_CHIP(x) ((unsigned long)(x)<<(63-47))
538
539 #ifndef __ASSEMBLER__
540 #include <linux/types.h>
541
542 /**
543 * plpar_hcall_norets: - Make a pseries hypervisor call with no return arguments
544 * @opcode: The hypervisor call to make.
545 *
546 * This call supports up to 7 arguments and only returns the status of
547 * the hcall. Use this version where possible, its slightly faster than
548 * the other plpar_hcalls.
549 */
550 long plpar_hcall_norets(unsigned long opcode, ...);
551
552 /* Variant which does not do hcall tracing */
553 long plpar_hcall_norets_notrace(unsigned long opcode, ...);
554
555 /**
556 * plpar_hcall: - Make a pseries hypervisor call
557 * @opcode: The hypervisor call to make.
558 * @retbuf: Buffer to store up to 4 return arguments in.
559 *
560 * This call supports up to 6 arguments and 4 return arguments. Use
561 * PLPAR_HCALL_BUFSIZE to size the return argument buffer.
562 *
563 * Used for all but the craziest of phyp interfaces (see plpar_hcall9)
564 */
565 #define PLPAR_HCALL_BUFSIZE 4
566 long plpar_hcall(unsigned long opcode, unsigned long retbuf[static PLPAR_HCALL_BUFSIZE], ...);
567
568 /**
569 * plpar_hcall_raw: - Make a hypervisor call without calculating hcall stats
570 * @opcode: The hypervisor call to make.
571 * @retbuf: Buffer to store up to 4 return arguments in.
572 *
573 * This call supports up to 6 arguments and 4 return arguments. Use
574 * PLPAR_HCALL_BUFSIZE to size the return argument buffer.
575 *
576 * Used when phyp interface needs to be called in real mode. Similar to
577 * plpar_hcall, but plpar_hcall_raw works in real mode and does not
578 * calculate hypervisor call statistics.
579 */
580 long plpar_hcall_raw(unsigned long opcode, unsigned long retbuf[static PLPAR_HCALL_BUFSIZE], ...);
581
582 /**
583 * plpar_hcall9: - Make a pseries hypervisor call with up to 9 return arguments
584 * @opcode: The hypervisor call to make.
585 * @retbuf: Buffer to store up to 9 return arguments in.
586 *
587 * This call supports up to 9 arguments and 9 return arguments. Use
588 * PLPAR_HCALL9_BUFSIZE to size the return argument buffer.
589 */
590 #define PLPAR_HCALL9_BUFSIZE 9
591 long plpar_hcall9(unsigned long opcode, unsigned long retbuf[static PLPAR_HCALL9_BUFSIZE], ...);
592 long plpar_hcall9_raw(unsigned long opcode, unsigned long retbuf[static PLPAR_HCALL9_BUFSIZE], ...);
593
594 /* pseries hcall tracing */
595 extern struct static_key hcall_tracepoint_key;
596 void __trace_hcall_entry(unsigned long opcode, unsigned long *args);
597 void __trace_hcall_exit(long opcode, long retval, unsigned long *retbuf);
598
599 struct hvcall_mpp_data {
600 unsigned long entitled_mem;
601 unsigned long mapped_mem;
602 unsigned short group_num;
603 unsigned short pool_num;
604 unsigned char mem_weight;
605 unsigned char unallocated_mem_weight;
606 unsigned long unallocated_entitlement; /* value in bytes */
607 unsigned long pool_size;
608 signed long loan_request;
609 unsigned long backing_mem;
610 };
611
612 long h_get_mpp(struct hvcall_mpp_data *mpp_data);
613
614 struct hvcall_mpp_x_data {
615 unsigned long coalesced_bytes;
616 unsigned long pool_coalesced_bytes;
617 unsigned long pool_purr_cycles;
618 unsigned long pool_spurr_cycles;
619 unsigned long reserved[3];
620 };
621
622 int h_get_mpp_x(struct hvcall_mpp_x_data *mpp_x_data);
623
get_longbusy_msecs(int longbusy_rc)624 static inline unsigned int get_longbusy_msecs(int longbusy_rc)
625 {
626 switch (longbusy_rc) {
627 case H_LONG_BUSY_ORDER_1_MSEC:
628 return 1;
629 case H_LONG_BUSY_ORDER_10_MSEC:
630 return 10;
631 case H_LONG_BUSY_ORDER_100_MSEC:
632 return 100;
633 case H_LONG_BUSY_ORDER_1_SEC:
634 return 1000;
635 case H_LONG_BUSY_ORDER_10_SEC:
636 return 10000;
637 case H_LONG_BUSY_ORDER_100_SEC:
638 return 100000;
639 default:
640 return 1;
641 }
642 }
643
644 struct h_cpu_char_result {
645 u64 character;
646 u64 behaviour;
647 };
648
649 /*
650 * Register state for entering a nested guest with H_ENTER_NESTED.
651 * New member must be added at the end.
652 */
653 struct hv_guest_state {
654 u64 version; /* version of this structure layout, must be first */
655 u32 lpid;
656 u32 vcpu_token;
657 /* These registers are hypervisor privileged (at least for writing) */
658 u64 lpcr;
659 u64 pcr;
660 u64 amor;
661 u64 dpdes;
662 u64 hfscr;
663 s64 tb_offset;
664 u64 dawr0;
665 u64 dawrx0;
666 u64 ciabr;
667 u64 hdec_expiry;
668 u64 purr;
669 u64 spurr;
670 u64 ic;
671 u64 vtb;
672 u64 hdar;
673 u64 hdsisr;
674 u64 heir;
675 u64 asdr;
676 /* These are OS privileged but need to be set late in guest entry */
677 u64 srr0;
678 u64 srr1;
679 u64 sprg[4];
680 u64 pidr;
681 u64 cfar;
682 u64 ppr;
683 /* Version 1 ends here */
684 u64 dawr1;
685 u64 dawrx1;
686 /* Version 2 ends here */
687 };
688
689 /* Latest version of hv_guest_state structure */
690 #define HV_GUEST_STATE_VERSION 2
691
hv_guest_state_size(unsigned int version)692 static inline int hv_guest_state_size(unsigned int version)
693 {
694 switch (version) {
695 case 1:
696 return offsetofend(struct hv_guest_state, ppr);
697 case 2:
698 return offsetofend(struct hv_guest_state, dawrx1);
699 default:
700 return -1;
701 }
702 }
703
704 /*
705 * From the document "H_GetPerformanceCounterInfo Interface" v1.07
706 *
707 * H_GET_PERF_COUNTER_INFO argument
708 */
709 struct hv_get_perf_counter_info_params {
710 __be32 counter_request; /* I */
711 __be32 starting_index; /* IO */
712 __be16 secondary_index; /* IO */
713 __be16 returned_values; /* O */
714 __be32 detail_rc; /* O, only needed when called via *_norets() */
715
716 /*
717 * O, size each of counter_value element in bytes, only set for version
718 * >= 0x3
719 */
720 __be16 cv_element_size;
721
722 /* I, 0 (zero) for versions < 0x3 */
723 __u8 counter_info_version_in;
724
725 /* O, 0 (zero) if version < 0x3. Must be set to 0 when making hcall */
726 __u8 counter_info_version_out;
727 __u8 reserved[0xC];
728 __u8 counter_value[];
729 } __packed;
730
731 #define HGPCI_REQ_BUFFER_SIZE 4096
732 #define HGPCI_MAX_DATA_BYTES \
733 (HGPCI_REQ_BUFFER_SIZE - sizeof(struct hv_get_perf_counter_info_params))
734
735 struct hv_gpci_request_buffer {
736 struct hv_get_perf_counter_info_params params;
737 uint8_t bytes[HGPCI_MAX_DATA_BYTES];
738 } __packed;
739
740 #endif /* __ASSEMBLER__ */
741 #endif /* __KERNEL__ */
742 #endif /* _ASM_POWERPC_HVCALL_H */
743