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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 */
511long plpar_hcall_norets(unsigned long opcode, ...);
512
513/* Variant which does not do hcall tracing */
514long 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
527long plpar_hcall(unsigned long opcode, unsigned long *retbuf, ...);
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 */
541long plpar_hcall_raw(unsigned long opcode, unsigned long *retbuf, ...);
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
552long plpar_hcall9(unsigned long opcode, unsigned long *retbuf, ...);
553long plpar_hcall9_raw(unsigned long opcode, unsigned long *retbuf, ...);
554
555/* pseries hcall tracing */
556extern struct static_key hcall_tracepoint_key;
557void __trace_hcall_entry(unsigned long opcode, unsigned long *args);
558void __trace_hcall_exit(long opcode, long retval, unsigned long *retbuf);
559
560struct 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
573long h_get_mpp(struct hvcall_mpp_data *mpp_data);
574
575struct 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
583int h_get_mpp_x(struct hvcall_mpp_x_data *mpp_x_data);
584
585static 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
605struct 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 */
614struct 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
653static 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 */
670struct 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
696struct 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 */
1#ifndef _ASM_POWERPC_HVCALL_H
2#define _ASM_POWERPC_HVCALL_H
3#ifdef __KERNEL__
4
5#define HVSC .long 0x44000022
6
7#define H_SUCCESS 0
8#define H_BUSY 1 /* Hardware busy -- retry later */
9#define H_CLOSED 2 /* Resource closed */
10#define H_NOT_AVAILABLE 3
11#define H_CONSTRAINED 4 /* Resource request constrained to max allowed */
12#define H_PARTIAL 5
13#define H_IN_PROGRESS 14 /* Kind of like busy */
14#define H_PAGE_REGISTERED 15
15#define H_PARTIAL_STORE 16
16#define H_PENDING 17 /* returned from H_POLL_PENDING */
17#define H_CONTINUE 18 /* Returned from H_Join on success */
18#define H_LONG_BUSY_START_RANGE 9900 /* Start of long busy range */
19#define H_LONG_BUSY_ORDER_1_MSEC 9900 /* Long busy, hint that 1msec \
20 is a good time to retry */
21#define H_LONG_BUSY_ORDER_10_MSEC 9901 /* Long busy, hint that 10msec \
22 is a good time to retry */
23#define H_LONG_BUSY_ORDER_100_MSEC 9902 /* Long busy, hint that 100msec \
24 is a good time to retry */
25#define H_LONG_BUSY_ORDER_1_SEC 9903 /* Long busy, hint that 1sec \
26 is a good time to retry */
27#define H_LONG_BUSY_ORDER_10_SEC 9904 /* Long busy, hint that 10sec \
28 is a good time to retry */
29#define H_LONG_BUSY_ORDER_100_SEC 9905 /* Long busy, hint that 100sec \
30 is a good time to retry */
31#define H_LONG_BUSY_END_RANGE 9905 /* End of long busy range */
32
33/* Internal value used in book3s_hv kvm support; not returned to guests */
34#define H_TOO_HARD 9999
35
36#define H_HARDWARE -1 /* Hardware error */
37#define H_FUNCTION -2 /* Function not supported */
38#define H_PRIVILEGE -3 /* Caller not privileged */
39#define H_PARAMETER -4 /* Parameter invalid, out-of-range or conflicting */
40#define H_BAD_MODE -5 /* Illegal msr value */
41#define H_PTEG_FULL -6 /* PTEG is full */
42#define H_NOT_FOUND -7 /* PTE was not found" */
43#define H_RESERVED_DABR -8 /* DABR address is reserved by the hypervisor on this processor" */
44#define H_NO_MEM -9
45#define H_AUTHORITY -10
46#define H_PERMISSION -11
47#define H_DROPPED -12
48#define H_SOURCE_PARM -13
49#define H_DEST_PARM -14
50#define H_REMOTE_PARM -15
51#define H_RESOURCE -16
52#define H_ADAPTER_PARM -17
53#define H_RH_PARM -18
54#define H_RCQ_PARM -19
55#define H_SCQ_PARM -20
56#define H_EQ_PARM -21
57#define H_RT_PARM -22
58#define H_ST_PARM -23
59#define H_SIGT_PARM -24
60#define H_TOKEN_PARM -25
61#define H_MLENGTH_PARM -27
62#define H_MEM_PARM -28
63#define H_MEM_ACCESS_PARM -29
64#define H_ATTR_PARM -30
65#define H_PORT_PARM -31
66#define H_MCG_PARM -32
67#define H_VL_PARM -33
68#define H_TSIZE_PARM -34
69#define H_TRACE_PARM -35
70
71#define H_MASK_PARM -37
72#define H_MCG_FULL -38
73#define H_ALIAS_EXIST -39
74#define H_P_COUNTER -40
75#define H_TABLE_FULL -41
76#define H_ALT_TABLE -42
77#define H_MR_CONDITION -43
78#define H_NOT_ENOUGH_RESOURCES -44
79#define H_R_STATE -45
80#define H_RESCINDED -46
81#define H_P2 -55
82#define H_P3 -56
83#define H_P4 -57
84#define H_P5 -58
85#define H_P6 -59
86#define H_P7 -60
87#define H_P8 -61
88#define H_P9 -62
89#define H_TOO_BIG -64
90#define H_OVERLAP -68
91#define H_INTERRUPT -69
92#define H_BAD_DATA -70
93#define H_NOT_ACTIVE -71
94#define H_SG_LIST -72
95#define H_OP_MODE -73
96#define H_COP_HW -74
97#define H_STATE -75
98#define H_UNSUPPORTED_FLAG_START -256
99#define H_UNSUPPORTED_FLAG_END -511
100#define H_MULTI_THREADS_ACTIVE -9005
101#define H_OUTSTANDING_COP_OPS -9006
102
103
104/* Long Busy is a condition that can be returned by the firmware
105 * when a call cannot be completed now, but the identical call
106 * should be retried later. This prevents calls blocking in the
107 * firmware for long periods of time. Annoyingly the firmware can return
108 * a range of return codes, hinting at how long we should wait before
109 * retrying. If you don't care for the hint, the macro below is a good
110 * way to check for the long_busy return codes
111 */
112#define H_IS_LONG_BUSY(x) ((x >= H_LONG_BUSY_START_RANGE) \
113 && (x <= H_LONG_BUSY_END_RANGE))
114
115/* Flags */
116#define H_LARGE_PAGE (1UL<<(63-16))
117#define H_EXACT (1UL<<(63-24)) /* Use exact PTE or return H_PTEG_FULL */
118#define H_R_XLATE (1UL<<(63-25)) /* include a valid logical page num in the pte if the valid bit is set */
119#define H_READ_4 (1UL<<(63-26)) /* Return 4 PTEs */
120#define H_PAGE_STATE_CHANGE (1UL<<(63-28))
121#define H_PAGE_UNUSED ((1UL<<(63-29)) | (1UL<<(63-30)))
122#define H_PAGE_SET_UNUSED (H_PAGE_STATE_CHANGE | H_PAGE_UNUSED)
123#define H_PAGE_SET_LOANED (H_PAGE_SET_UNUSED | (1UL<<(63-31)))
124#define H_PAGE_SET_ACTIVE H_PAGE_STATE_CHANGE
125#define H_AVPN (1UL<<(63-32)) /* An avpn is provided as a sanity test */
126#define H_ANDCOND (1UL<<(63-33))
127#define H_LOCAL (1UL<<(63-35))
128#define H_ICACHE_INVALIDATE (1UL<<(63-40)) /* icbi, etc. (ignored for IO pages) */
129#define H_ICACHE_SYNCHRONIZE (1UL<<(63-41)) /* dcbst, icbi, etc (ignored for IO pages */
130#define H_COALESCE_CAND (1UL<<(63-42)) /* page is a good candidate for coalescing */
131#define H_ZERO_PAGE (1UL<<(63-48)) /* zero the page before mapping (ignored for IO pages) */
132#define H_COPY_PAGE (1UL<<(63-49))
133#define H_N (1UL<<(63-61))
134#define H_PP1 (1UL<<(63-62))
135#define H_PP2 (1UL<<(63-63))
136
137/* Flags for H_REGISTER_VPA subfunction field */
138#define H_VPA_FUNC_SHIFT (63-18) /* Bit posn of subfunction code */
139#define H_VPA_FUNC_MASK 7UL
140#define H_VPA_REG_VPA 1UL /* Register Virtual Processor Area */
141#define H_VPA_REG_DTL 2UL /* Register Dispatch Trace Log */
142#define H_VPA_REG_SLB 3UL /* Register SLB shadow buffer */
143#define H_VPA_DEREG_VPA 5UL /* Deregister Virtual Processor Area */
144#define H_VPA_DEREG_DTL 6UL /* Deregister Dispatch Trace Log */
145#define H_VPA_DEREG_SLB 7UL /* Deregister SLB shadow buffer */
146
147/* VASI States */
148#define H_VASI_INVALID 0
149#define H_VASI_ENABLED 1
150#define H_VASI_ABORTED 2
151#define H_VASI_SUSPENDING 3
152#define H_VASI_SUSPENDED 4
153#define H_VASI_RESUMED 5
154#define H_VASI_COMPLETED 6
155
156/* Each control block has to be on a 4K boundary */
157#define H_CB_ALIGNMENT 4096
158
159/* pSeries hypervisor opcodes */
160#define H_REMOVE 0x04
161#define H_ENTER 0x08
162#define H_READ 0x0c
163#define H_CLEAR_MOD 0x10
164#define H_CLEAR_REF 0x14
165#define H_PROTECT 0x18
166#define H_GET_TCE 0x1c
167#define H_PUT_TCE 0x20
168#define H_SET_SPRG0 0x24
169#define H_SET_DABR 0x28
170#define H_PAGE_INIT 0x2c
171#define H_SET_ASR 0x30
172#define H_ASR_ON 0x34
173#define H_ASR_OFF 0x38
174#define H_LOGICAL_CI_LOAD 0x3c
175#define H_LOGICAL_CI_STORE 0x40
176#define H_LOGICAL_CACHE_LOAD 0x44
177#define H_LOGICAL_CACHE_STORE 0x48
178#define H_LOGICAL_ICBI 0x4c
179#define H_LOGICAL_DCBF 0x50
180#define H_GET_TERM_CHAR 0x54
181#define H_PUT_TERM_CHAR 0x58
182#define H_REAL_TO_LOGICAL 0x5c
183#define H_HYPERVISOR_DATA 0x60
184#define H_EOI 0x64
185#define H_CPPR 0x68
186#define H_IPI 0x6c
187#define H_IPOLL 0x70
188#define H_XIRR 0x74
189#define H_PERFMON 0x7c
190#define H_MIGRATE_DMA 0x78
191#define H_REGISTER_VPA 0xDC
192#define H_CEDE 0xE0
193#define H_CONFER 0xE4
194#define H_PROD 0xE8
195#define H_GET_PPP 0xEC
196#define H_SET_PPP 0xF0
197#define H_PURR 0xF4
198#define H_PIC 0xF8
199#define H_REG_CRQ 0xFC
200#define H_FREE_CRQ 0x100
201#define H_VIO_SIGNAL 0x104
202#define H_SEND_CRQ 0x108
203#define H_COPY_RDMA 0x110
204#define H_REGISTER_LOGICAL_LAN 0x114
205#define H_FREE_LOGICAL_LAN 0x118
206#define H_ADD_LOGICAL_LAN_BUFFER 0x11C
207#define H_SEND_LOGICAL_LAN 0x120
208#define H_BULK_REMOVE 0x124
209#define H_MULTICAST_CTRL 0x130
210#define H_SET_XDABR 0x134
211#define H_STUFF_TCE 0x138
212#define H_PUT_TCE_INDIRECT 0x13C
213#define H_CHANGE_LOGICAL_LAN_MAC 0x14C
214#define H_VTERM_PARTNER_INFO 0x150
215#define H_REGISTER_VTERM 0x154
216#define H_FREE_VTERM 0x158
217#define H_RESET_EVENTS 0x15C
218#define H_ALLOC_RESOURCE 0x160
219#define H_FREE_RESOURCE 0x164
220#define H_MODIFY_QP 0x168
221#define H_QUERY_QP 0x16C
222#define H_REREGISTER_PMR 0x170
223#define H_REGISTER_SMR 0x174
224#define H_QUERY_MR 0x178
225#define H_QUERY_MW 0x17C
226#define H_QUERY_HCA 0x180
227#define H_QUERY_PORT 0x184
228#define H_MODIFY_PORT 0x188
229#define H_DEFINE_AQP1 0x18C
230#define H_GET_TRACE_BUFFER 0x190
231#define H_DEFINE_AQP0 0x194
232#define H_RESIZE_MR 0x198
233#define H_ATTACH_MCQP 0x19C
234#define H_DETACH_MCQP 0x1A0
235#define H_CREATE_RPT 0x1A4
236#define H_REMOVE_RPT 0x1A8
237#define H_REGISTER_RPAGES 0x1AC
238#define H_DISABLE_AND_GETC 0x1B0
239#define H_ERROR_DATA 0x1B4
240#define H_GET_HCA_INFO 0x1B8
241#define H_GET_PERF_COUNT 0x1BC
242#define H_MANAGE_TRACE 0x1C0
243#define H_FREE_LOGICAL_LAN_BUFFER 0x1D4
244#define H_QUERY_INT_STATE 0x1E4
245#define H_POLL_PENDING 0x1D8
246#define H_ILLAN_ATTRIBUTES 0x244
247#define H_MODIFY_HEA_QP 0x250
248#define H_QUERY_HEA_QP 0x254
249#define H_QUERY_HEA 0x258
250#define H_QUERY_HEA_PORT 0x25C
251#define H_MODIFY_HEA_PORT 0x260
252#define H_REG_BCMC 0x264
253#define H_DEREG_BCMC 0x268
254#define H_REGISTER_HEA_RPAGES 0x26C
255#define H_DISABLE_AND_GET_HEA 0x270
256#define H_GET_HEA_INFO 0x274
257#define H_ALLOC_HEA_RESOURCE 0x278
258#define H_ADD_CONN 0x284
259#define H_DEL_CONN 0x288
260#define H_JOIN 0x298
261#define H_VASI_STATE 0x2A4
262#define H_VIOCTL 0x2A8
263#define H_ENABLE_CRQ 0x2B0
264#define H_GET_EM_PARMS 0x2B8
265#define H_SET_MPP 0x2D0
266#define H_GET_MPP 0x2D4
267#define H_REG_SUB_CRQ 0x2DC
268#define H_HOME_NODE_ASSOCIATIVITY 0x2EC
269#define H_FREE_SUB_CRQ 0x2E0
270#define H_SEND_SUB_CRQ 0x2E4
271#define H_SEND_SUB_CRQ_INDIRECT 0x2E8
272#define H_BEST_ENERGY 0x2F4
273#define H_XIRR_X 0x2FC
274#define H_RANDOM 0x300
275#define H_COP 0x304
276#define H_GET_MPP_X 0x314
277#define H_SET_MODE 0x31C
278#define H_CLEAR_HPT 0x358
279#define H_SIGNAL_SYS_RESET 0x380
280#define MAX_HCALL_OPCODE H_SIGNAL_SYS_RESET
281
282/* H_VIOCTL functions */
283#define H_GET_VIOA_DUMP_SIZE 0x01
284#define H_GET_VIOA_DUMP 0x02
285#define H_GET_ILLAN_NUM_VLAN_IDS 0x03
286#define H_GET_ILLAN_VLAN_ID_LIST 0x04
287#define H_GET_ILLAN_SWITCH_ID 0x05
288#define H_DISABLE_MIGRATION 0x06
289#define H_ENABLE_MIGRATION 0x07
290#define H_GET_PARTNER_INFO 0x08
291#define H_GET_PARTNER_WWPN_LIST 0x09
292#define H_DISABLE_ALL_VIO_INTS 0x0A
293#define H_DISABLE_VIO_INTERRUPT 0x0B
294#define H_ENABLE_VIO_INTERRUPT 0x0C
295
296
297/* Platform specific hcalls, used by KVM */
298#define H_RTAS 0xf000
299
300/* "Platform specific hcalls", provided by PHYP */
301#define H_GET_24X7_CATALOG_PAGE 0xF078
302#define H_GET_24X7_DATA 0xF07C
303#define H_GET_PERF_COUNTER_INFO 0xF080
304
305/* Values for 2nd argument to H_SET_MODE */
306#define H_SET_MODE_RESOURCE_SET_CIABR 1
307#define H_SET_MODE_RESOURCE_SET_DAWR 2
308#define H_SET_MODE_RESOURCE_ADDR_TRANS_MODE 3
309#define H_SET_MODE_RESOURCE_LE 4
310
311/* Values for argument to H_SIGNAL_SYS_RESET */
312#define H_SIGNAL_SYS_RESET_ALL -1
313#define H_SIGNAL_SYS_RESET_ALL_OTHERS -2
314/* >= 0 values are CPU number */
315
316#ifndef __ASSEMBLY__
317
318/**
319 * plpar_hcall_norets: - Make a pseries hypervisor call with no return arguments
320 * @opcode: The hypervisor call to make.
321 *
322 * This call supports up to 7 arguments and only returns the status of
323 * the hcall. Use this version where possible, its slightly faster than
324 * the other plpar_hcalls.
325 */
326long plpar_hcall_norets(unsigned long opcode, ...);
327
328/**
329 * plpar_hcall: - Make a pseries hypervisor call
330 * @opcode: The hypervisor call to make.
331 * @retbuf: Buffer to store up to 4 return arguments in.
332 *
333 * This call supports up to 6 arguments and 4 return arguments. Use
334 * PLPAR_HCALL_BUFSIZE to size the return argument buffer.
335 *
336 * Used for all but the craziest of phyp interfaces (see plpar_hcall9)
337 */
338#define PLPAR_HCALL_BUFSIZE 4
339long plpar_hcall(unsigned long opcode, unsigned long *retbuf, ...);
340
341/**
342 * plpar_hcall_raw: - Make a hypervisor call without calculating hcall stats
343 * @opcode: The hypervisor call to make.
344 * @retbuf: Buffer to store up to 4 return arguments in.
345 *
346 * This call supports up to 6 arguments and 4 return arguments. Use
347 * PLPAR_HCALL_BUFSIZE to size the return argument buffer.
348 *
349 * Used when phyp interface needs to be called in real mode. Similar to
350 * plpar_hcall, but plpar_hcall_raw works in real mode and does not
351 * calculate hypervisor call statistics.
352 */
353long plpar_hcall_raw(unsigned long opcode, unsigned long *retbuf, ...);
354
355/**
356 * plpar_hcall9: - Make a pseries hypervisor call with up to 9 return arguments
357 * @opcode: The hypervisor call to make.
358 * @retbuf: Buffer to store up to 9 return arguments in.
359 *
360 * This call supports up to 9 arguments and 9 return arguments. Use
361 * PLPAR_HCALL9_BUFSIZE to size the return argument buffer.
362 */
363#define PLPAR_HCALL9_BUFSIZE 9
364long plpar_hcall9(unsigned long opcode, unsigned long *retbuf, ...);
365long plpar_hcall9_raw(unsigned long opcode, unsigned long *retbuf, ...);
366
367/* For hcall instrumentation. One structure per-hcall, per-CPU */
368struct hcall_stats {
369 unsigned long num_calls; /* number of calls (on this CPU) */
370 unsigned long tb_total; /* total wall time (mftb) of calls. */
371 unsigned long purr_total; /* total cpu time (PURR) of calls. */
372 unsigned long tb_start;
373 unsigned long purr_start;
374};
375#define HCALL_STAT_ARRAY_SIZE ((MAX_HCALL_OPCODE >> 2) + 1)
376
377struct hvcall_mpp_data {
378 unsigned long entitled_mem;
379 unsigned long mapped_mem;
380 unsigned short group_num;
381 unsigned short pool_num;
382 unsigned char mem_weight;
383 unsigned char unallocated_mem_weight;
384 unsigned long unallocated_entitlement; /* value in bytes */
385 unsigned long pool_size;
386 signed long loan_request;
387 unsigned long backing_mem;
388};
389
390int h_get_mpp(struct hvcall_mpp_data *);
391
392struct hvcall_mpp_x_data {
393 unsigned long coalesced_bytes;
394 unsigned long pool_coalesced_bytes;
395 unsigned long pool_purr_cycles;
396 unsigned long pool_spurr_cycles;
397 unsigned long reserved[3];
398};
399
400int h_get_mpp_x(struct hvcall_mpp_x_data *mpp_x_data);
401
402static inline unsigned int get_longbusy_msecs(int longbusy_rc)
403{
404 switch (longbusy_rc) {
405 case H_LONG_BUSY_ORDER_1_MSEC:
406 return 1;
407 case H_LONG_BUSY_ORDER_10_MSEC:
408 return 10;
409 case H_LONG_BUSY_ORDER_100_MSEC:
410 return 100;
411 case H_LONG_BUSY_ORDER_1_SEC:
412 return 1000;
413 case H_LONG_BUSY_ORDER_10_SEC:
414 return 10000;
415 case H_LONG_BUSY_ORDER_100_SEC:
416 return 100000;
417 default:
418 return 1;
419 }
420}
421
422#endif /* __ASSEMBLY__ */
423#endif /* __KERNEL__ */
424#endif /* _ASM_POWERPC_HVCALL_H */