1 /* SPDX-License-Identifier: GPL-2.0 */
2 #ifndef _ASM_POWERPC_HVCALL_H
3 #define _ASM_POWERPC_HVCALL_H
6 #define HVSC .long 0x44000022
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 */
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 */
34 /* Internal value used in book3s_hv kvm support; not returned to guests */
35 #define H_TOO_HARD 9999
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" */
46 #define H_AUTHORITY -10
47 #define H_PERMISSION -11
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
55 #define H_RCQ_PARM -19
56 #define H_SCQ_PARM -20
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
69 #define H_TSIZE_PARM -34
70 #define H_TRACE_PARM -35
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
81 #define H_RESCINDED -46
91 #define H_UNSUPPORTED -67
93 #define H_INTERRUPT -69
94 #define H_BAD_DATA -70
95 #define H_NOT_ACTIVE -71
100 #define H_UNSUPPORTED_FLAG_START -256
101 #define H_UNSUPPORTED_FLAG_END -511
102 #define H_MULTI_THREADS_ACTIVE -9005
103 #define H_OUTSTANDING_COP_OPS -9006
106 /* Long Busy is a condition that can be returned by the firmware
107 * when a call cannot be completed now, but the identical call
108 * should be retried later. This prevents calls blocking in the
109 * firmware for long periods of time. Annoyingly the firmware can return
110 * a range of return codes, hinting at how long we should wait before
111 * retrying. If you don't care for the hint, the macro below is a good
112 * way to check for the long_busy return codes
114 #define H_IS_LONG_BUSY(x) ((x >= H_LONG_BUSY_START_RANGE) \
115 && (x <= H_LONG_BUSY_END_RANGE))
118 #define H_LARGE_PAGE (1UL<<(63-16))
119 #define H_EXACT (1UL<<(63-24)) /* Use exact PTE or return H_PTEG_FULL */
120 #define H_R_XLATE (1UL<<(63-25)) /* include a valid logical page num in the pte if the valid bit is set */
121 #define H_READ_4 (1UL<<(63-26)) /* Return 4 PTEs */
122 #define H_PAGE_STATE_CHANGE (1UL<<(63-28))
123 #define H_PAGE_UNUSED ((1UL<<(63-29)) | (1UL<<(63-30)))
124 #define H_PAGE_SET_UNUSED (H_PAGE_STATE_CHANGE | H_PAGE_UNUSED)
125 #define H_PAGE_SET_LOANED (H_PAGE_SET_UNUSED | (1UL<<(63-31)))
126 #define H_PAGE_SET_ACTIVE H_PAGE_STATE_CHANGE
127 #define H_AVPN (1UL<<(63-32)) /* An avpn is provided as a sanity test */
128 #define H_ANDCOND (1UL<<(63-33))
129 #define H_LOCAL (1UL<<(63-35))
130 #define H_ICACHE_INVALIDATE (1UL<<(63-40)) /* icbi, etc. (ignored for IO pages) */
131 #define H_ICACHE_SYNCHRONIZE (1UL<<(63-41)) /* dcbst, icbi, etc (ignored for IO pages */
132 #define H_COALESCE_CAND (1UL<<(63-42)) /* page is a good candidate for coalescing */
133 #define H_ZERO_PAGE (1UL<<(63-48)) /* zero the page before mapping (ignored for IO pages) */
134 #define H_COPY_PAGE (1UL<<(63-49))
135 #define H_N (1UL<<(63-61))
136 #define H_PP1 (1UL<<(63-62))
137 #define H_PP2 (1UL<<(63-63))
139 /* Flags for H_REGISTER_VPA subfunction field */
140 #define H_VPA_FUNC_SHIFT (63-18) /* Bit posn of subfunction code */
141 #define H_VPA_FUNC_MASK 7UL
142 #define H_VPA_REG_VPA 1UL /* Register Virtual Processor Area */
143 #define H_VPA_REG_DTL 2UL /* Register Dispatch Trace Log */
144 #define H_VPA_REG_SLB 3UL /* Register SLB shadow buffer */
145 #define H_VPA_DEREG_VPA 5UL /* Deregister Virtual Processor Area */
146 #define H_VPA_DEREG_DTL 6UL /* Deregister Dispatch Trace Log */
147 #define H_VPA_DEREG_SLB 7UL /* Deregister SLB shadow buffer */
150 #define H_VASI_INVALID 0
151 #define H_VASI_ENABLED 1
152 #define H_VASI_ABORTED 2
153 #define H_VASI_SUSPENDING 3
154 #define H_VASI_SUSPENDED 4
155 #define H_VASI_RESUMED 5
156 #define H_VASI_COMPLETED 6
158 /* VASI signal codes. Only the Cancel code is valid for H_VASI_SIGNAL. */
159 #define H_VASI_SIGNAL_CANCEL 1
160 #define H_VASI_SIGNAL_ABORT 2
161 #define H_VASI_SIGNAL_SUSPEND 3
162 #define H_VASI_SIGNAL_COMPLETE 4
163 #define H_VASI_SIGNAL_ENABLE 5
164 #define H_VASI_SIGNAL_FAILOVER 6
166 /* Each control block has to be on a 4K boundary */
167 #define H_CB_ALIGNMENT 4096
169 /* pSeries hypervisor opcodes */
170 #define H_REMOVE 0x04
173 #define H_CLEAR_MOD 0x10
174 #define H_CLEAR_REF 0x14
175 #define H_PROTECT 0x18
176 #define H_GET_TCE 0x1c
177 #define H_PUT_TCE 0x20
178 #define H_SET_SPRG0 0x24
179 #define H_SET_DABR 0x28
180 #define H_PAGE_INIT 0x2c
181 #define H_SET_ASR 0x30
182 #define H_ASR_ON 0x34
183 #define H_ASR_OFF 0x38
184 #define H_LOGICAL_CI_LOAD 0x3c
185 #define H_LOGICAL_CI_STORE 0x40
186 #define H_LOGICAL_CACHE_LOAD 0x44
187 #define H_LOGICAL_CACHE_STORE 0x48
188 #define H_LOGICAL_ICBI 0x4c
189 #define H_LOGICAL_DCBF 0x50
190 #define H_GET_TERM_CHAR 0x54
191 #define H_PUT_TERM_CHAR 0x58
192 #define H_REAL_TO_LOGICAL 0x5c
193 #define H_HYPERVISOR_DATA 0x60
199 #define H_PERFMON 0x7c
200 #define H_MIGRATE_DMA 0x78
201 #define H_REGISTER_VPA 0xDC
203 #define H_CONFER 0xE4
205 #define H_GET_PPP 0xEC
206 #define H_SET_PPP 0xF0
209 #define H_REG_CRQ 0xFC
210 #define H_FREE_CRQ 0x100
211 #define H_VIO_SIGNAL 0x104
212 #define H_SEND_CRQ 0x108
213 #define H_COPY_RDMA 0x110
214 #define H_REGISTER_LOGICAL_LAN 0x114
215 #define H_FREE_LOGICAL_LAN 0x118
216 #define H_ADD_LOGICAL_LAN_BUFFER 0x11C
217 #define H_SEND_LOGICAL_LAN 0x120
218 #define H_BULK_REMOVE 0x124
219 #define H_MULTICAST_CTRL 0x130
220 #define H_SET_XDABR 0x134
221 #define H_STUFF_TCE 0x138
222 #define H_PUT_TCE_INDIRECT 0x13C
223 #define H_CHANGE_LOGICAL_LAN_MAC 0x14C
224 #define H_VTERM_PARTNER_INFO 0x150
225 #define H_REGISTER_VTERM 0x154
226 #define H_FREE_VTERM 0x158
227 #define H_RESET_EVENTS 0x15C
228 #define H_ALLOC_RESOURCE 0x160
229 #define H_FREE_RESOURCE 0x164
230 #define H_MODIFY_QP 0x168
231 #define H_QUERY_QP 0x16C
232 #define H_REREGISTER_PMR 0x170
233 #define H_REGISTER_SMR 0x174
234 #define H_QUERY_MR 0x178
235 #define H_QUERY_MW 0x17C
236 #define H_QUERY_HCA 0x180
237 #define H_QUERY_PORT 0x184
238 #define H_MODIFY_PORT 0x188
239 #define H_DEFINE_AQP1 0x18C
240 #define H_GET_TRACE_BUFFER 0x190
241 #define H_DEFINE_AQP0 0x194
242 #define H_RESIZE_MR 0x198
243 #define H_ATTACH_MCQP 0x19C
244 #define H_DETACH_MCQP 0x1A0
245 #define H_CREATE_RPT 0x1A4
246 #define H_REMOVE_RPT 0x1A8
247 #define H_REGISTER_RPAGES 0x1AC
248 #define H_DISABLE_AND_GET 0x1B0
249 #define H_ERROR_DATA 0x1B4
250 #define H_GET_HCA_INFO 0x1B8
251 #define H_GET_PERF_COUNT 0x1BC
252 #define H_MANAGE_TRACE 0x1C0
253 #define H_GET_CPU_CHARACTERISTICS 0x1C8
254 #define H_FREE_LOGICAL_LAN_BUFFER 0x1D4
255 #define H_QUERY_INT_STATE 0x1E4
256 #define H_POLL_PENDING 0x1D8
257 #define H_ILLAN_ATTRIBUTES 0x244
258 #define H_MODIFY_HEA_QP 0x250
259 #define H_QUERY_HEA_QP 0x254
260 #define H_QUERY_HEA 0x258
261 #define H_QUERY_HEA_PORT 0x25C
262 #define H_MODIFY_HEA_PORT 0x260
263 #define H_REG_BCMC 0x264
264 #define H_DEREG_BCMC 0x268
265 #define H_REGISTER_HEA_RPAGES 0x26C
266 #define H_DISABLE_AND_GET_HEA 0x270
267 #define H_GET_HEA_INFO 0x274
268 #define H_ALLOC_HEA_RESOURCE 0x278
269 #define H_ADD_CONN 0x284
270 #define H_DEL_CONN 0x288
272 #define H_VASI_SIGNAL 0x2A0
273 #define H_VASI_STATE 0x2A4
274 #define H_VIOCTL 0x2A8
275 #define H_ENABLE_CRQ 0x2B0
276 #define H_GET_EM_PARMS 0x2B8
277 #define H_SET_MPP 0x2D0
278 #define H_GET_MPP 0x2D4
279 #define H_REG_SUB_CRQ 0x2DC
280 #define H_HOME_NODE_ASSOCIATIVITY 0x2EC
281 #define H_FREE_SUB_CRQ 0x2E0
282 #define H_SEND_SUB_CRQ 0x2E4
283 #define H_SEND_SUB_CRQ_INDIRECT 0x2E8
284 #define H_BEST_ENERGY 0x2F4
285 #define H_XIRR_X 0x2FC
286 #define H_RANDOM 0x300
288 #define H_GET_MPP_X 0x314
289 #define H_SET_MODE 0x31C
290 #define H_BLOCK_REMOVE 0x328
291 #define H_CLEAR_HPT 0x358
292 #define H_REQUEST_VMC 0x360
293 #define H_RESIZE_HPT_PREPARE 0x36C
294 #define H_RESIZE_HPT_COMMIT 0x370
295 #define H_REGISTER_PROC_TBL 0x37C
296 #define H_SIGNAL_SYS_RESET 0x380
297 #define H_ALLOCATE_VAS_WINDOW 0x388
298 #define H_MODIFY_VAS_WINDOW 0x38C
299 #define H_DEALLOCATE_VAS_WINDOW 0x390
300 #define H_QUERY_VAS_WINDOW 0x394
301 #define H_QUERY_VAS_CAPABILITIES 0x398
302 #define H_QUERY_NX_CAPABILITIES 0x39C
303 #define H_GET_NX_FAULT 0x3A0
304 #define H_INT_GET_SOURCE_INFO 0x3A8
305 #define H_INT_SET_SOURCE_CONFIG 0x3AC
306 #define H_INT_GET_SOURCE_CONFIG 0x3B0
307 #define H_INT_GET_QUEUE_INFO 0x3B4
308 #define H_INT_SET_QUEUE_CONFIG 0x3B8
309 #define H_INT_GET_QUEUE_CONFIG 0x3BC
310 #define H_INT_SET_OS_REPORTING_LINE 0x3C0
311 #define H_INT_GET_OS_REPORTING_LINE 0x3C4
312 #define H_INT_ESB 0x3C8
313 #define H_INT_SYNC 0x3CC
314 #define H_INT_RESET 0x3D0
315 #define H_SCM_READ_METADATA 0x3E4
316 #define H_SCM_WRITE_METADATA 0x3E8
317 #define H_SCM_BIND_MEM 0x3EC
318 #define H_SCM_UNBIND_MEM 0x3F0
319 #define H_SCM_QUERY_BLOCK_MEM_BINDING 0x3F4
320 #define H_SCM_QUERY_LOGICAL_MEM_BINDING 0x3F8
321 #define H_SCM_UNBIND_ALL 0x3FC
322 #define H_SCM_HEALTH 0x400
323 #define H_SCM_PERFORMANCE_STATS 0x418
324 #define H_RPT_INVALIDATE 0x448
325 #define H_SCM_FLUSH 0x44C
326 #define H_GET_ENERGY_SCALE_INFO 0x450
327 #define MAX_HCALL_OPCODE H_GET_ENERGY_SCALE_INFO
329 /* Scope args for H_SCM_UNBIND_ALL */
330 #define H_UNBIND_SCOPE_ALL (0x1)
331 #define H_UNBIND_SCOPE_DRC (0x2)
333 /* H_VIOCTL functions */
334 #define H_GET_VIOA_DUMP_SIZE 0x01
335 #define H_GET_VIOA_DUMP 0x02
336 #define H_GET_ILLAN_NUM_VLAN_IDS 0x03
337 #define H_GET_ILLAN_VLAN_ID_LIST 0x04
338 #define H_GET_ILLAN_SWITCH_ID 0x05
339 #define H_DISABLE_MIGRATION 0x06
340 #define H_ENABLE_MIGRATION 0x07
341 #define H_GET_PARTNER_INFO 0x08
342 #define H_GET_PARTNER_WWPN_LIST 0x09
343 #define H_DISABLE_ALL_VIO_INTS 0x0A
344 #define H_DISABLE_VIO_INTERRUPT 0x0B
345 #define H_ENABLE_VIO_INTERRUPT 0x0C
346 #define H_GET_SESSION_TOKEN 0x19
347 #define H_SESSION_ERR_DETECTED 0x1A
350 /* Platform specific hcalls, used by KVM */
351 #define H_RTAS 0xf000
354 * Platform specific hcalls, used by QEMU/SLOF. These are ignored by
355 * KVM and only kept here so we can identify them during tracing.
357 #define H_LOGICAL_MEMOP 0xF001
359 #define H_UPDATE_DT 0XF003
361 /* "Platform specific hcalls", provided by PHYP */
362 #define H_GET_24X7_CATALOG_PAGE 0xF078
363 #define H_GET_24X7_DATA 0xF07C
364 #define H_GET_PERF_COUNTER_INFO 0xF080
366 /* Platform-specific hcalls used for nested HV KVM */
367 #define H_SET_PARTITION_TABLE 0xF800
368 #define H_ENTER_NESTED 0xF804
369 #define H_TLB_INVALIDATE 0xF808
370 #define H_COPY_TOFROM_GUEST 0xF80C
372 /* Flags for H_SVM_PAGE_IN */
373 #define H_PAGE_IN_SHARED 0x1
375 /* Platform-specific hcalls used by the Ultravisor */
376 #define H_SVM_PAGE_IN 0xEF00
377 #define H_SVM_PAGE_OUT 0xEF04
378 #define H_SVM_INIT_START 0xEF08
379 #define H_SVM_INIT_DONE 0xEF0C
380 #define H_SVM_INIT_ABORT 0xEF14
382 /* Values for 2nd argument to H_SET_MODE */
383 #define H_SET_MODE_RESOURCE_SET_CIABR 1
384 #define H_SET_MODE_RESOURCE_SET_DAWR0 2
385 #define H_SET_MODE_RESOURCE_ADDR_TRANS_MODE 3
386 #define H_SET_MODE_RESOURCE_LE 4
387 #define H_SET_MODE_RESOURCE_SET_DAWR1 5
389 /* Values for argument to H_SIGNAL_SYS_RESET */
390 #define H_SIGNAL_SYS_RESET_ALL -1
391 #define H_SIGNAL_SYS_RESET_ALL_OTHERS -2
392 /* >= 0 values are CPU number */
394 /* H_GET_CPU_CHARACTERISTICS return values */
395 #define H_CPU_CHAR_SPEC_BAR_ORI31 (1ull << 63) // IBM bit 0
396 #define H_CPU_CHAR_BCCTRL_SERIALISED (1ull << 62) // IBM bit 1
397 #define H_CPU_CHAR_L1D_FLUSH_ORI30 (1ull << 61) // IBM bit 2
398 #define H_CPU_CHAR_L1D_FLUSH_TRIG2 (1ull << 60) // IBM bit 3
399 #define H_CPU_CHAR_L1D_THREAD_PRIV (1ull << 59) // IBM bit 4
400 #define H_CPU_CHAR_BRANCH_HINTS_HONORED (1ull << 58) // IBM bit 5
401 #define H_CPU_CHAR_THREAD_RECONFIG_CTRL (1ull << 57) // IBM bit 6
402 #define H_CPU_CHAR_COUNT_CACHE_DISABLED (1ull << 56) // IBM bit 7
403 #define H_CPU_CHAR_BCCTR_FLUSH_ASSIST (1ull << 54) // IBM bit 9
404 #define H_CPU_CHAR_BCCTR_LINK_FLUSH_ASSIST (1ull << 52) // IBM bit 11
406 #define H_CPU_BEHAV_FAVOUR_SECURITY (1ull << 63) // IBM bit 0
407 #define H_CPU_BEHAV_L1D_FLUSH_PR (1ull << 62) // IBM bit 1
408 #define H_CPU_BEHAV_BNDS_CHK_SPEC_BAR (1ull << 61) // IBM bit 2
409 #define H_CPU_BEHAV_FAVOUR_SECURITY_H (1ull << 60) // IBM bit 3
410 #define H_CPU_BEHAV_FLUSH_COUNT_CACHE (1ull << 58) // IBM bit 5
411 #define H_CPU_BEHAV_FLUSH_LINK_STACK (1ull << 57) // IBM bit 6
412 #define H_CPU_BEHAV_NO_L1D_FLUSH_ENTRY (1ull << 56) // IBM bit 7
413 #define H_CPU_BEHAV_NO_L1D_FLUSH_UACCESS (1ull << 55) // IBM bit 8
414 #define H_CPU_BEHAV_NO_STF_BARRIER (1ull << 54) // IBM bit 9
416 /* Flag values used in H_REGISTER_PROC_TBL hcall */
417 #define PROC_TABLE_OP_MASK 0x18
418 #define PROC_TABLE_DEREG 0x10
419 #define PROC_TABLE_NEW 0x18
420 #define PROC_TABLE_TYPE_MASK 0x06
421 #define PROC_TABLE_HPT_SLB 0x00
422 #define PROC_TABLE_HPT_PT 0x02
423 #define PROC_TABLE_RADIX 0x04
424 #define PROC_TABLE_GTSE 0x01
428 * H_RPT_INVALIDATE - Invalidate RPT translation lookaside information.
431 /* Type of translation to invalidate (type) */
432 #define H_RPTI_TYPE_NESTED 0x0001 /* Invalidate nested guest partition-scope */
433 #define H_RPTI_TYPE_TLB 0x0002 /* Invalidate TLB */
434 #define H_RPTI_TYPE_PWC 0x0004 /* Invalidate Page Walk Cache */
435 /* Invalidate caching of Process Table Entries if H_RPTI_TYPE_NESTED is clear */
436 #define H_RPTI_TYPE_PRT 0x0008
437 /* Invalidate caching of Partition Table Entries if H_RPTI_TYPE_NESTED is set */
438 #define H_RPTI_TYPE_PAT 0x0008
439 #define H_RPTI_TYPE_ALL (H_RPTI_TYPE_TLB | H_RPTI_TYPE_PWC | \
441 #define H_RPTI_TYPE_NESTED_ALL (H_RPTI_TYPE_TLB | H_RPTI_TYPE_PWC | \
444 /* Invalidation targets (target) */
445 #define H_RPTI_TARGET_CMMU 0x01 /* All virtual processors in the partition */
446 #define H_RPTI_TARGET_CMMU_LOCAL 0x02 /* Current virtual processor */
447 /* All nest/accelerator agents in use by the partition */
448 #define H_RPTI_TARGET_NMMU 0x04
450 /* Page size mask (page sizes) */
451 #define H_RPTI_PAGE_4K 0x01
452 #define H_RPTI_PAGE_64K 0x02
453 #define H_RPTI_PAGE_2M 0x04
454 #define H_RPTI_PAGE_1G 0x08
455 #define H_RPTI_PAGE_ALL (-1UL)
458 #include <linux/types.h>
461 * plpar_hcall_norets: - Make a pseries hypervisor call with no return arguments
462 * @opcode: The hypervisor call to make.
464 * This call supports up to 7 arguments and only returns the status of
465 * the hcall. Use this version where possible, its slightly faster than
466 * the other plpar_hcalls.
468 long plpar_hcall_norets(unsigned long opcode, ...);
470 /* Variant which does not do hcall tracing */
471 long plpar_hcall_norets_notrace(unsigned long opcode, ...);
474 * plpar_hcall: - Make a pseries hypervisor call
475 * @opcode: The hypervisor call to make.
476 * @retbuf: Buffer to store up to 4 return arguments in.
478 * This call supports up to 6 arguments and 4 return arguments. Use
479 * PLPAR_HCALL_BUFSIZE to size the return argument buffer.
481 * Used for all but the craziest of phyp interfaces (see plpar_hcall9)
483 #define PLPAR_HCALL_BUFSIZE 4
484 long plpar_hcall(unsigned long opcode, unsigned long *retbuf, ...);
487 * plpar_hcall_raw: - Make a hypervisor call without calculating hcall stats
488 * @opcode: The hypervisor call to make.
489 * @retbuf: Buffer to store up to 4 return arguments in.
491 * This call supports up to 6 arguments and 4 return arguments. Use
492 * PLPAR_HCALL_BUFSIZE to size the return argument buffer.
494 * Used when phyp interface needs to be called in real mode. Similar to
495 * plpar_hcall, but plpar_hcall_raw works in real mode and does not
496 * calculate hypervisor call statistics.
498 long plpar_hcall_raw(unsigned long opcode, unsigned long *retbuf, ...);
501 * plpar_hcall9: - Make a pseries hypervisor call with up to 9 return arguments
502 * @opcode: The hypervisor call to make.
503 * @retbuf: Buffer to store up to 9 return arguments in.
505 * This call supports up to 9 arguments and 9 return arguments. Use
506 * PLPAR_HCALL9_BUFSIZE to size the return argument buffer.
508 #define PLPAR_HCALL9_BUFSIZE 9
509 long plpar_hcall9(unsigned long opcode, unsigned long *retbuf, ...);
510 long plpar_hcall9_raw(unsigned long opcode, unsigned long *retbuf, ...);
512 /* pseries hcall tracing */
513 extern struct static_key hcall_tracepoint_key;
514 void __trace_hcall_entry(unsigned long opcode, unsigned long *args);
515 void __trace_hcall_exit(long opcode, long retval, unsigned long *retbuf);
517 struct hvcall_mpp_data {
518 unsigned long entitled_mem;
519 unsigned long mapped_mem;
520 unsigned short group_num;
521 unsigned short pool_num;
522 unsigned char mem_weight;
523 unsigned char unallocated_mem_weight;
524 unsigned long unallocated_entitlement; /* value in bytes */
525 unsigned long pool_size;
526 signed long loan_request;
527 unsigned long backing_mem;
530 int h_get_mpp(struct hvcall_mpp_data *);
532 struct hvcall_mpp_x_data {
533 unsigned long coalesced_bytes;
534 unsigned long pool_coalesced_bytes;
535 unsigned long pool_purr_cycles;
536 unsigned long pool_spurr_cycles;
537 unsigned long reserved[3];
540 int h_get_mpp_x(struct hvcall_mpp_x_data *mpp_x_data);
542 static inline unsigned int get_longbusy_msecs(int longbusy_rc)
544 switch (longbusy_rc) {
545 case H_LONG_BUSY_ORDER_1_MSEC:
547 case H_LONG_BUSY_ORDER_10_MSEC:
549 case H_LONG_BUSY_ORDER_100_MSEC:
551 case H_LONG_BUSY_ORDER_1_SEC:
553 case H_LONG_BUSY_ORDER_10_SEC:
555 case H_LONG_BUSY_ORDER_100_SEC:
562 struct h_cpu_char_result {
568 * Register state for entering a nested guest with H_ENTER_NESTED.
569 * New member must be added at the end.
571 struct hv_guest_state {
572 u64 version; /* version of this structure layout, must be first */
575 /* These registers are hypervisor privileged (at least for writing) */
594 /* These are OS privileged but need to be set late in guest entry */
601 /* Version 1 ends here */
604 /* Version 2 ends here */
607 /* Latest version of hv_guest_state structure */
608 #define HV_GUEST_STATE_VERSION 2
610 static inline int hv_guest_state_size(unsigned int version)
614 return offsetofend(struct hv_guest_state, ppr);
616 return offsetofend(struct hv_guest_state, dawrx1);
623 * From the document "H_GetPerformanceCounterInfo Interface" v1.07
625 * H_GET_PERF_COUNTER_INFO argument
627 struct hv_get_perf_counter_info_params {
628 __be32 counter_request; /* I */
629 __be32 starting_index; /* IO */
630 __be16 secondary_index; /* IO */
631 __be16 returned_values; /* O */
632 __be32 detail_rc; /* O, only needed when called via *_norets() */
635 * O, size each of counter_value element in bytes, only set for version
638 __be16 cv_element_size;
640 /* I, 0 (zero) for versions < 0x3 */
641 __u8 counter_info_version_in;
643 /* O, 0 (zero) if version < 0x3. Must be set to 0 when making hcall */
644 __u8 counter_info_version_out;
646 __u8 counter_value[];
649 #define HGPCI_REQ_BUFFER_SIZE 4096
650 #define HGPCI_MAX_DATA_BYTES \
651 (HGPCI_REQ_BUFFER_SIZE - sizeof(struct hv_get_perf_counter_info_params))
653 struct hv_gpci_request_buffer {
654 struct hv_get_perf_counter_info_params params;
655 uint8_t bytes[HGPCI_MAX_DATA_BYTES];
658 #endif /* __ASSEMBLY__ */
659 #endif /* __KERNEL__ */
660 #endif /* _ASM_POWERPC_HVCALL_H */