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
573int h_get_mpp(struct hvcall_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 */
704