xref: /linux/arch/powerpc/include/asm/hvcall.h (revision ff2e185c)
1 /* SPDX-License-Identifier: GPL-2.0 */
2 #ifndef _ASM_POWERPC_HVCALL_H
3 #define _ASM_POWERPC_HVCALL_H
4 #ifdef __KERNEL__
5 
6 #define HVSC			.long 0x44000022
7 
8 #define H_SUCCESS	0
9 #define H_BUSY		1	/* Hardware busy -- retry later */
10 #define H_CLOSED	2	/* Resource closed */
11 #define H_NOT_AVAILABLE 3
12 #define H_CONSTRAINED	4	/* Resource request constrained to max allowed */
13 #define H_PARTIAL       5
14 #define H_IN_PROGRESS	14	/* Kind of like busy */
15 #define H_PAGE_REGISTERED 15
16 #define H_PARTIAL_STORE   16
17 #define H_PENDING	17	/* returned from H_POLL_PENDING */
18 #define H_CONTINUE	18	/* Returned from H_Join on success */
19 #define H_LONG_BUSY_START_RANGE		9900  /* Start of long busy range */
20 #define H_LONG_BUSY_ORDER_1_MSEC	9900  /* Long busy, hint that 1msec \
21 						 is a good time to retry */
22 #define H_LONG_BUSY_ORDER_10_MSEC	9901  /* Long busy, hint that 10msec \
23 						 is a good time to retry */
24 #define H_LONG_BUSY_ORDER_100_MSEC 	9902  /* Long busy, hint that 100msec \
25 						 is a good time to retry */
26 #define H_LONG_BUSY_ORDER_1_SEC		9903  /* Long busy, hint that 1sec \
27 						 is a good time to retry */
28 #define H_LONG_BUSY_ORDER_10_SEC	9904  /* Long busy, hint that 10sec \
29 						 is a good time to retry */
30 #define H_LONG_BUSY_ORDER_100_SEC	9905  /* Long busy, hint that 100sec \
31 						 is a good time to retry */
32 #define H_LONG_BUSY_END_RANGE		9905  /* End of long busy range */
33 
34 /* Internal value used in book3s_hv kvm support; not returned to guests */
35 #define H_TOO_HARD	9999
36 
37 #define H_HARDWARE	-1	/* Hardware error */
38 #define H_FUNCTION	-2	/* Function not supported */
39 #define H_PRIVILEGE	-3	/* Caller not privileged */
40 #define H_PARAMETER	-4	/* Parameter invalid, out-of-range or conflicting */
41 #define H_BAD_MODE	-5	/* Illegal msr value */
42 #define H_PTEG_FULL	-6	/* PTEG is full */
43 #define H_NOT_FOUND	-7	/* PTE was not found" */
44 #define H_RESERVED_DABR	-8	/* DABR address is reserved by the hypervisor on this processor" */
45 #define H_NO_MEM	-9
46 #define H_AUTHORITY	-10
47 #define H_PERMISSION	-11
48 #define H_DROPPED	-12
49 #define H_SOURCE_PARM	-13
50 #define H_DEST_PARM	-14
51 #define H_REMOTE_PARM	-15
52 #define H_RESOURCE	-16
53 #define H_ADAPTER_PARM  -17
54 #define H_RH_PARM       -18
55 #define H_RCQ_PARM      -19
56 #define H_SCQ_PARM      -20
57 #define H_EQ_PARM       -21
58 #define H_RT_PARM       -22
59 #define H_ST_PARM       -23
60 #define H_SIGT_PARM     -24
61 #define H_TOKEN_PARM    -25
62 #define H_MLENGTH_PARM  -27
63 #define H_MEM_PARM      -28
64 #define H_MEM_ACCESS_PARM -29
65 #define H_ATTR_PARM     -30
66 #define H_PORT_PARM     -31
67 #define H_MCG_PARM      -32
68 #define H_VL_PARM       -33
69 #define H_TSIZE_PARM    -34
70 #define H_TRACE_PARM    -35
71 
72 #define H_MASK_PARM     -37
73 #define H_MCG_FULL      -38
74 #define H_ALIAS_EXIST   -39
75 #define H_P_COUNTER     -40
76 #define H_TABLE_FULL    -41
77 #define H_ALT_TABLE     -42
78 #define H_MR_CONDITION  -43
79 #define H_NOT_ENOUGH_RESOURCES -44
80 #define H_R_STATE       -45
81 #define H_RESCINDED     -46
82 #define H_ABORTED	-54
83 #define H_P2		-55
84 #define H_P3		-56
85 #define H_P4		-57
86 #define H_P5		-58
87 #define H_P6		-59
88 #define H_P7		-60
89 #define H_P8		-61
90 #define H_P9		-62
91 #define H_NOOP		-63
92 #define H_TOO_BIG	-64
93 #define H_UNSUPPORTED	-67
94 #define H_OVERLAP	-68
95 #define H_INTERRUPT	-69
96 #define H_BAD_DATA	-70
97 #define H_NOT_ACTIVE	-71
98 #define H_SG_LIST	-72
99 #define H_OP_MODE	-73
100 #define H_COP_HW	-74
101 #define H_STATE		-75
102 #define H_IN_USE	-77
103 
104 #define H_INVALID_ELEMENT_ID			-79
105 #define H_INVALID_ELEMENT_SIZE			-80
106 #define H_INVALID_ELEMENT_VALUE			-81
107 #define H_INPUT_BUFFER_NOT_DEFINED		-82
108 #define H_INPUT_BUFFER_TOO_SMALL		-83
109 #define H_OUTPUT_BUFFER_NOT_DEFINED		-84
110 #define H_OUTPUT_BUFFER_TOO_SMALL		-85
111 #define H_PARTITION_PAGE_TABLE_NOT_DEFINED	-86
112 #define H_GUEST_VCPU_STATE_NOT_HV_OWNED		-87
113 
114 
115 #define H_UNSUPPORTED_FLAG_START	-256
116 #define H_UNSUPPORTED_FLAG_END		-511
117 #define H_MULTI_THREADS_ACTIVE	-9005
118 #define H_OUTSTANDING_COP_OPS	-9006
119 
120 
121 /* Long Busy is a condition that can be returned by the firmware
122  * when a call cannot be completed now, but the identical call
123  * should be retried later.  This prevents calls blocking in the
124  * firmware for long periods of time.  Annoyingly the firmware can return
125  * a range of return codes, hinting at how long we should wait before
126  * retrying.  If you don't care for the hint, the macro below is a good
127  * way to check for the long_busy return codes
128  */
129 #define H_IS_LONG_BUSY(x)  ((x >= H_LONG_BUSY_START_RANGE) \
130 			     && (x <= H_LONG_BUSY_END_RANGE))
131 
132 /* Flags */
133 #define H_LARGE_PAGE		(1UL<<(63-16))
134 #define H_EXACT			(1UL<<(63-24))	/* Use exact PTE or return H_PTEG_FULL */
135 #define H_R_XLATE		(1UL<<(63-25))	/* include a valid logical page num in the pte if the valid bit is set */
136 #define H_READ_4		(1UL<<(63-26))	/* Return 4 PTEs */
137 #define H_PAGE_STATE_CHANGE	(1UL<<(63-28))
138 #define H_PAGE_UNUSED		((1UL<<(63-29)) | (1UL<<(63-30)))
139 #define H_PAGE_SET_UNUSED	(H_PAGE_STATE_CHANGE | H_PAGE_UNUSED)
140 #define H_PAGE_SET_LOANED	(H_PAGE_SET_UNUSED | (1UL<<(63-31)))
141 #define H_PAGE_SET_ACTIVE	H_PAGE_STATE_CHANGE
142 #define H_AVPN			(1UL<<(63-32))	/* An avpn is provided as a sanity test */
143 #define H_ANDCOND		(1UL<<(63-33))
144 #define H_LOCAL			(1UL<<(63-35))
145 #define H_ICACHE_INVALIDATE	(1UL<<(63-40))	/* icbi, etc.  (ignored for IO pages) */
146 #define H_ICACHE_SYNCHRONIZE	(1UL<<(63-41))	/* dcbst, icbi, etc (ignored for IO pages */
147 #define H_COALESCE_CAND	(1UL<<(63-42))	/* page is a good candidate for coalescing */
148 #define H_ZERO_PAGE		(1UL<<(63-48))	/* zero the page before mapping (ignored for IO pages) */
149 #define H_COPY_PAGE		(1UL<<(63-49))
150 #define H_N			(1UL<<(63-61))
151 #define H_PP1			(1UL<<(63-62))
152 #define H_PP2			(1UL<<(63-63))
153 
154 /* Flags for H_REGISTER_VPA subfunction field */
155 #define H_VPA_FUNC_SHIFT	(63-18)	/* Bit posn of subfunction code */
156 #define H_VPA_FUNC_MASK		7UL
157 #define H_VPA_REG_VPA		1UL	/* Register Virtual Processor Area */
158 #define H_VPA_REG_DTL		2UL	/* Register Dispatch Trace Log */
159 #define H_VPA_REG_SLB		3UL	/* Register SLB shadow buffer */
160 #define H_VPA_DEREG_VPA		5UL	/* Deregister Virtual Processor Area */
161 #define H_VPA_DEREG_DTL		6UL	/* Deregister Dispatch Trace Log */
162 #define H_VPA_DEREG_SLB		7UL	/* Deregister SLB shadow buffer */
163 
164 /* VASI States */
165 #define H_VASI_INVALID          0
166 #define H_VASI_ENABLED          1
167 #define H_VASI_ABORTED          2
168 #define H_VASI_SUSPENDING       3
169 #define H_VASI_SUSPENDED        4
170 #define H_VASI_RESUMED          5
171 #define H_VASI_COMPLETED        6
172 
173 /* VASI signal codes. Only the Cancel code is valid for H_VASI_SIGNAL. */
174 #define H_VASI_SIGNAL_CANCEL    1
175 #define H_VASI_SIGNAL_ABORT     2
176 #define H_VASI_SIGNAL_SUSPEND   3
177 #define H_VASI_SIGNAL_COMPLETE  4
178 #define H_VASI_SIGNAL_ENABLE    5
179 #define H_VASI_SIGNAL_FAILOVER  6
180 
181 /* Each control block has to be on a 4K boundary */
182 #define H_CB_ALIGNMENT          4096
183 
184 /* pSeries hypervisor opcodes */
185 #define H_REMOVE		0x04
186 #define H_ENTER			0x08
187 #define H_READ			0x0c
188 #define H_CLEAR_MOD		0x10
189 #define H_CLEAR_REF		0x14
190 #define H_PROTECT		0x18
191 #define H_GET_TCE		0x1c
192 #define H_PUT_TCE		0x20
193 #define H_SET_SPRG0		0x24
194 #define H_SET_DABR		0x28
195 #define H_PAGE_INIT		0x2c
196 #define H_SET_ASR		0x30
197 #define H_ASR_ON		0x34
198 #define H_ASR_OFF		0x38
199 #define H_LOGICAL_CI_LOAD	0x3c
200 #define H_LOGICAL_CI_STORE	0x40
201 #define H_LOGICAL_CACHE_LOAD	0x44
202 #define H_LOGICAL_CACHE_STORE	0x48
203 #define H_LOGICAL_ICBI		0x4c
204 #define H_LOGICAL_DCBF		0x50
205 #define H_GET_TERM_CHAR		0x54
206 #define H_PUT_TERM_CHAR		0x58
207 #define H_REAL_TO_LOGICAL	0x5c
208 #define H_HYPERVISOR_DATA	0x60
209 #define H_EOI			0x64
210 #define H_CPPR			0x68
211 #define H_IPI			0x6c
212 #define H_IPOLL			0x70
213 #define H_XIRR			0x74
214 #define H_PERFMON		0x7c
215 #define H_MIGRATE_DMA		0x78
216 #define H_REGISTER_VPA		0xDC
217 #define H_CEDE			0xE0
218 #define H_CONFER		0xE4
219 #define H_PROD			0xE8
220 #define H_GET_PPP		0xEC
221 #define H_SET_PPP		0xF0
222 #define H_PURR			0xF4
223 #define H_PIC			0xF8
224 #define H_REG_CRQ		0xFC
225 #define H_FREE_CRQ		0x100
226 #define H_VIO_SIGNAL		0x104
227 #define H_SEND_CRQ		0x108
228 #define H_COPY_RDMA		0x110
229 #define H_REGISTER_LOGICAL_LAN	0x114
230 #define H_FREE_LOGICAL_LAN	0x118
231 #define H_ADD_LOGICAL_LAN_BUFFER 0x11C
232 #define H_SEND_LOGICAL_LAN	0x120
233 #define H_BULK_REMOVE		0x124
234 #define H_MULTICAST_CTRL	0x130
235 #define H_SET_XDABR		0x134
236 #define H_STUFF_TCE		0x138
237 #define H_PUT_TCE_INDIRECT	0x13C
238 #define H_CHANGE_LOGICAL_LAN_MAC 0x14C
239 #define H_VTERM_PARTNER_INFO	0x150
240 #define H_REGISTER_VTERM	0x154
241 #define H_FREE_VTERM		0x158
242 #define H_RESET_EVENTS          0x15C
243 #define H_ALLOC_RESOURCE        0x160
244 #define H_FREE_RESOURCE         0x164
245 #define H_MODIFY_QP             0x168
246 #define H_QUERY_QP              0x16C
247 #define H_REREGISTER_PMR        0x170
248 #define H_REGISTER_SMR          0x174
249 #define H_QUERY_MR              0x178
250 #define H_QUERY_MW              0x17C
251 #define H_QUERY_HCA             0x180
252 #define H_QUERY_PORT            0x184
253 #define H_MODIFY_PORT           0x188
254 #define H_DEFINE_AQP1           0x18C
255 #define H_GET_TRACE_BUFFER      0x190
256 #define H_DEFINE_AQP0           0x194
257 #define H_RESIZE_MR             0x198
258 #define H_ATTACH_MCQP           0x19C
259 #define H_DETACH_MCQP           0x1A0
260 #define H_CREATE_RPT            0x1A4
261 #define H_REMOVE_RPT            0x1A8
262 #define H_REGISTER_RPAGES       0x1AC
263 #define H_DISABLE_AND_GET       0x1B0
264 #define H_ERROR_DATA            0x1B4
265 #define H_GET_HCA_INFO          0x1B8
266 #define H_GET_PERF_COUNT        0x1BC
267 #define H_MANAGE_TRACE          0x1C0
268 #define H_GET_CPU_CHARACTERISTICS 0x1C8
269 #define H_FREE_LOGICAL_LAN_BUFFER 0x1D4
270 #define H_QUERY_INT_STATE       0x1E4
271 #define H_POLL_PENDING		0x1D8
272 #define H_ILLAN_ATTRIBUTES	0x244
273 #define H_MODIFY_HEA_QP		0x250
274 #define H_QUERY_HEA_QP		0x254
275 #define H_QUERY_HEA		0x258
276 #define H_QUERY_HEA_PORT	0x25C
277 #define H_MODIFY_HEA_PORT	0x260
278 #define H_REG_BCMC		0x264
279 #define H_DEREG_BCMC		0x268
280 #define H_REGISTER_HEA_RPAGES	0x26C
281 #define H_DISABLE_AND_GET_HEA	0x270
282 #define H_GET_HEA_INFO		0x274
283 #define H_ALLOC_HEA_RESOURCE	0x278
284 #define H_ADD_CONN		0x284
285 #define H_DEL_CONN		0x288
286 #define H_JOIN			0x298
287 #define H_VASI_SIGNAL           0x2A0
288 #define H_VASI_STATE            0x2A4
289 #define H_VIOCTL		0x2A8
290 #define H_ENABLE_CRQ		0x2B0
291 #define H_GET_EM_PARMS		0x2B8
292 #define H_SET_MPP		0x2D0
293 #define H_GET_MPP		0x2D4
294 #define H_REG_SUB_CRQ		0x2DC
295 #define H_HOME_NODE_ASSOCIATIVITY 0x2EC
296 #define H_FREE_SUB_CRQ		0x2E0
297 #define H_SEND_SUB_CRQ		0x2E4
298 #define H_SEND_SUB_CRQ_INDIRECT	0x2E8
299 #define H_BEST_ENERGY		0x2F4
300 #define H_XIRR_X		0x2FC
301 #define H_RANDOM		0x300
302 #define H_COP			0x304
303 #define H_GET_MPP_X		0x314
304 #define H_SET_MODE		0x31C
305 #define H_BLOCK_REMOVE		0x328
306 #define H_CLEAR_HPT		0x358
307 #define H_REQUEST_VMC		0x360
308 #define H_RESIZE_HPT_PREPARE	0x36C
309 #define H_RESIZE_HPT_COMMIT	0x370
310 #define H_REGISTER_PROC_TBL	0x37C
311 #define H_SIGNAL_SYS_RESET	0x380
312 #define H_ALLOCATE_VAS_WINDOW	0x388
313 #define H_MODIFY_VAS_WINDOW	0x38C
314 #define H_DEALLOCATE_VAS_WINDOW	0x390
315 #define H_QUERY_VAS_WINDOW	0x394
316 #define H_QUERY_VAS_CAPABILITIES	0x398
317 #define H_QUERY_NX_CAPABILITIES	0x39C
318 #define H_GET_NX_FAULT		0x3A0
319 #define H_INT_GET_SOURCE_INFO   0x3A8
320 #define H_INT_SET_SOURCE_CONFIG 0x3AC
321 #define H_INT_GET_SOURCE_CONFIG 0x3B0
322 #define H_INT_GET_QUEUE_INFO    0x3B4
323 #define H_INT_SET_QUEUE_CONFIG  0x3B8
324 #define H_INT_GET_QUEUE_CONFIG  0x3BC
325 #define H_INT_SET_OS_REPORTING_LINE 0x3C0
326 #define H_INT_GET_OS_REPORTING_LINE 0x3C4
327 #define H_INT_ESB               0x3C8
328 #define H_INT_SYNC              0x3CC
329 #define H_INT_RESET             0x3D0
330 #define H_SCM_READ_METADATA     0x3E4
331 #define H_SCM_WRITE_METADATA    0x3E8
332 #define H_SCM_BIND_MEM          0x3EC
333 #define H_SCM_UNBIND_MEM        0x3F0
334 #define H_SCM_QUERY_BLOCK_MEM_BINDING 0x3F4
335 #define H_SCM_QUERY_LOGICAL_MEM_BINDING 0x3F8
336 #define H_SCM_UNBIND_ALL        0x3FC
337 #define H_SCM_HEALTH            0x400
338 #define H_SCM_PERFORMANCE_STATS 0x418
339 #define H_PKS_GET_CONFIG	0x41C
340 #define H_PKS_SET_PASSWORD	0x420
341 #define H_PKS_GEN_PASSWORD	0x424
342 #define H_PKS_WRITE_OBJECT	0x42C
343 #define H_PKS_GEN_KEY		0x430
344 #define H_PKS_READ_OBJECT	0x434
345 #define H_PKS_REMOVE_OBJECT	0x438
346 #define H_PKS_CONFIRM_OBJECT_FLUSHED	0x43C
347 #define H_RPT_INVALIDATE	0x448
348 #define H_SCM_FLUSH		0x44C
349 #define H_GET_ENERGY_SCALE_INFO	0x450
350 #define H_PKS_SIGNED_UPDATE	0x454
351 #define H_WATCHDOG		0x45C
352 #define H_GUEST_GET_CAPABILITIES 0x460
353 #define H_GUEST_SET_CAPABILITIES 0x464
354 #define H_GUEST_CREATE		0x470
355 #define H_GUEST_CREATE_VCPU	0x474
356 #define H_GUEST_GET_STATE	0x478
357 #define H_GUEST_SET_STATE	0x47C
358 #define H_GUEST_RUN_VCPU	0x480
359 #define H_GUEST_COPY_MEMORY	0x484
360 #define H_GUEST_DELETE		0x488
361 #define MAX_HCALL_OPCODE	H_GUEST_DELETE
362 
363 /* Scope args for H_SCM_UNBIND_ALL */
364 #define H_UNBIND_SCOPE_ALL (0x1)
365 #define H_UNBIND_SCOPE_DRC (0x2)
366 
367 /* H_VIOCTL functions */
368 #define H_GET_VIOA_DUMP_SIZE	0x01
369 #define H_GET_VIOA_DUMP		0x02
370 #define H_GET_ILLAN_NUM_VLAN_IDS 0x03
371 #define H_GET_ILLAN_VLAN_ID_LIST 0x04
372 #define H_GET_ILLAN_SWITCH_ID	0x05
373 #define H_DISABLE_MIGRATION	0x06
374 #define H_ENABLE_MIGRATION	0x07
375 #define H_GET_PARTNER_INFO	0x08
376 #define H_GET_PARTNER_WWPN_LIST	0x09
377 #define H_DISABLE_ALL_VIO_INTS	0x0A
378 #define H_DISABLE_VIO_INTERRUPT	0x0B
379 #define H_ENABLE_VIO_INTERRUPT	0x0C
380 #define H_GET_SESSION_TOKEN	0x19
381 #define H_SESSION_ERR_DETECTED	0x1A
382 
383 
384 /* Platform specific hcalls, used by KVM */
385 #define H_RTAS			0xf000
386 
387 /*
388  * Platform specific hcalls, used by QEMU/SLOF. These are ignored by
389  * KVM and only kept here so we can identify them during tracing.
390  */
391 #define H_LOGICAL_MEMOP  0xF001
392 #define H_CAS            0XF002
393 #define H_UPDATE_DT      0XF003
394 
395 /* "Platform specific hcalls", provided by PHYP */
396 #define H_GET_24X7_CATALOG_PAGE	0xF078
397 #define H_GET_24X7_DATA		0xF07C
398 #define H_GET_PERF_COUNTER_INFO	0xF080
399 
400 /* Platform-specific hcalls used for nested HV KVM */
401 #define H_SET_PARTITION_TABLE	0xF800
402 #define H_ENTER_NESTED		0xF804
403 #define H_TLB_INVALIDATE	0xF808
404 #define H_COPY_TOFROM_GUEST	0xF80C
405 
406 /* Flags for H_SVM_PAGE_IN */
407 #define H_PAGE_IN_SHARED        0x1
408 
409 /* Platform-specific hcalls used by the Ultravisor */
410 #define H_SVM_PAGE_IN		0xEF00
411 #define H_SVM_PAGE_OUT		0xEF04
412 #define H_SVM_INIT_START	0xEF08
413 #define H_SVM_INIT_DONE		0xEF0C
414 #define H_SVM_INIT_ABORT	0xEF14
415 
416 /* Values for 2nd argument to H_SET_MODE */
417 #define H_SET_MODE_RESOURCE_SET_CIABR		1
418 #define H_SET_MODE_RESOURCE_SET_DAWR0		2
419 #define H_SET_MODE_RESOURCE_ADDR_TRANS_MODE	3
420 #define H_SET_MODE_RESOURCE_LE			4
421 #define H_SET_MODE_RESOURCE_SET_DAWR1		5
422 
423 /* Values for argument to H_SIGNAL_SYS_RESET */
424 #define H_SIGNAL_SYS_RESET_ALL			-1
425 #define H_SIGNAL_SYS_RESET_ALL_OTHERS		-2
426 /* >= 0 values are CPU number */
427 
428 /* H_GET_CPU_CHARACTERISTICS return values */
429 #define H_CPU_CHAR_SPEC_BAR_ORI31	(1ull << 63) // IBM bit 0
430 #define H_CPU_CHAR_BCCTRL_SERIALISED	(1ull << 62) // IBM bit 1
431 #define H_CPU_CHAR_L1D_FLUSH_ORI30	(1ull << 61) // IBM bit 2
432 #define H_CPU_CHAR_L1D_FLUSH_TRIG2	(1ull << 60) // IBM bit 3
433 #define H_CPU_CHAR_L1D_THREAD_PRIV	(1ull << 59) // IBM bit 4
434 #define H_CPU_CHAR_BRANCH_HINTS_HONORED	(1ull << 58) // IBM bit 5
435 #define H_CPU_CHAR_THREAD_RECONFIG_CTRL	(1ull << 57) // IBM bit 6
436 #define H_CPU_CHAR_COUNT_CACHE_DISABLED	(1ull << 56) // IBM bit 7
437 #define H_CPU_CHAR_BCCTR_FLUSH_ASSIST	(1ull << 54) // IBM bit 9
438 #define H_CPU_CHAR_BCCTR_LINK_FLUSH_ASSIST (1ull << 52) // IBM bit 11
439 
440 #define H_CPU_BEHAV_FAVOUR_SECURITY	(1ull << 63) // IBM bit 0
441 #define H_CPU_BEHAV_L1D_FLUSH_PR	(1ull << 62) // IBM bit 1
442 #define H_CPU_BEHAV_BNDS_CHK_SPEC_BAR	(1ull << 61) // IBM bit 2
443 #define H_CPU_BEHAV_FAVOUR_SECURITY_H	(1ull << 60) // IBM bit 3
444 #define H_CPU_BEHAV_FLUSH_COUNT_CACHE	(1ull << 58) // IBM bit 5
445 #define H_CPU_BEHAV_FLUSH_LINK_STACK	(1ull << 57) // IBM bit 6
446 #define H_CPU_BEHAV_NO_L1D_FLUSH_ENTRY	(1ull << 56) // IBM bit 7
447 #define H_CPU_BEHAV_NO_L1D_FLUSH_UACCESS (1ull << 55) // IBM bit 8
448 #define H_CPU_BEHAV_NO_STF_BARRIER	(1ull << 54) // IBM bit 9
449 
450 /* Flag values used in H_REGISTER_PROC_TBL hcall */
451 #define PROC_TABLE_OP_MASK	0x18
452 #define PROC_TABLE_DEREG	0x10
453 #define PROC_TABLE_NEW		0x18
454 #define PROC_TABLE_TYPE_MASK	0x06
455 #define PROC_TABLE_HPT_SLB	0x00
456 #define PROC_TABLE_HPT_PT	0x02
457 #define PROC_TABLE_RADIX	0x04
458 #define PROC_TABLE_GTSE		0x01
459 
460 /*
461  * Defines for
462  * H_RPT_INVALIDATE - Invalidate RPT translation lookaside information.
463  */
464 
465 /* Type of translation to invalidate (type) */
466 #define H_RPTI_TYPE_NESTED	0x0001	/* Invalidate nested guest partition-scope */
467 #define H_RPTI_TYPE_TLB		0x0002	/* Invalidate TLB */
468 #define H_RPTI_TYPE_PWC		0x0004	/* Invalidate Page Walk Cache */
469 /* Invalidate caching of Process Table Entries if H_RPTI_TYPE_NESTED is clear */
470 #define H_RPTI_TYPE_PRT		0x0008
471 /* Invalidate caching of Partition Table Entries if H_RPTI_TYPE_NESTED is set */
472 #define H_RPTI_TYPE_PAT		0x0008
473 #define H_RPTI_TYPE_ALL		(H_RPTI_TYPE_TLB | H_RPTI_TYPE_PWC | \
474 				 H_RPTI_TYPE_PRT)
475 #define H_RPTI_TYPE_NESTED_ALL	(H_RPTI_TYPE_TLB | H_RPTI_TYPE_PWC | \
476 				 H_RPTI_TYPE_PAT)
477 
478 /* Invalidation targets (target) */
479 #define H_RPTI_TARGET_CMMU		0x01 /* All virtual processors in the partition */
480 #define H_RPTI_TARGET_CMMU_LOCAL	0x02 /* Current virtual processor */
481 /* All nest/accelerator agents in use by the partition */
482 #define H_RPTI_TARGET_NMMU		0x04
483 
484 /* Page size mask (page sizes) */
485 #define H_RPTI_PAGE_4K	0x01
486 #define H_RPTI_PAGE_64K	0x02
487 #define H_RPTI_PAGE_2M	0x04
488 #define H_RPTI_PAGE_1G	0x08
489 #define H_RPTI_PAGE_ALL (-1UL)
490 
491 /* Flags for H_GUEST_{S,G}_STATE */
492 #define H_GUEST_FLAGS_WIDE     (1UL<<(63-0))
493 
494 /* Flag values used for H_{S,G}SET_GUEST_CAPABILITIES */
495 #define H_GUEST_CAP_COPY_MEM	(1UL<<(63-0))
496 #define H_GUEST_CAP_POWER9	(1UL<<(63-1))
497 #define H_GUEST_CAP_POWER10	(1UL<<(63-2))
498 #define H_GUEST_CAP_BITMAP2	(1UL<<(63-63))
499 
500 #ifndef __ASSEMBLY__
501 #include <linux/types.h>
502 
503 /**
504  * plpar_hcall_norets: - Make a pseries hypervisor call with no return arguments
505  * @opcode: The hypervisor call to make.
506  *
507  * This call supports up to 7 arguments and only returns the status of
508  * the hcall. Use this version where possible, its slightly faster than
509  * the other plpar_hcalls.
510  */
511 long plpar_hcall_norets(unsigned long opcode, ...);
512 
513 /* Variant which does not do hcall tracing */
514 long plpar_hcall_norets_notrace(unsigned long opcode, ...);
515 
516 /**
517  * plpar_hcall: - Make a pseries hypervisor call
518  * @opcode: The hypervisor call to make.
519  * @retbuf: Buffer to store up to 4 return arguments in.
520  *
521  * This call supports up to 6 arguments and 4 return arguments. Use
522  * PLPAR_HCALL_BUFSIZE to size the return argument buffer.
523  *
524  * Used for all but the craziest of phyp interfaces (see plpar_hcall9)
525  */
526 #define PLPAR_HCALL_BUFSIZE 4
527 long plpar_hcall(unsigned long opcode, unsigned long retbuf[static PLPAR_HCALL_BUFSIZE], ...);
528 
529 /**
530  * plpar_hcall_raw: - Make a hypervisor call without calculating hcall stats
531  * @opcode: The hypervisor call to make.
532  * @retbuf: Buffer to store up to 4 return arguments in.
533  *
534  * This call supports up to 6 arguments and 4 return arguments. Use
535  * PLPAR_HCALL_BUFSIZE to size the return argument buffer.
536  *
537  * Used when phyp interface needs to be called in real mode. Similar to
538  * plpar_hcall, but plpar_hcall_raw works in real mode and does not
539  * calculate hypervisor call statistics.
540  */
541 long plpar_hcall_raw(unsigned long opcode, unsigned long retbuf[static PLPAR_HCALL_BUFSIZE], ...);
542 
543 /**
544  * plpar_hcall9: - Make a pseries hypervisor call with up to 9 return arguments
545  * @opcode: The hypervisor call to make.
546  * @retbuf: Buffer to store up to 9 return arguments in.
547  *
548  * This call supports up to 9 arguments and 9 return arguments. Use
549  * PLPAR_HCALL9_BUFSIZE to size the return argument buffer.
550  */
551 #define PLPAR_HCALL9_BUFSIZE 9
552 long plpar_hcall9(unsigned long opcode, unsigned long retbuf[static PLPAR_HCALL9_BUFSIZE], ...);
553 long plpar_hcall9_raw(unsigned long opcode, unsigned long retbuf[static PLPAR_HCALL9_BUFSIZE], ...);
554 
555 /* pseries hcall tracing */
556 extern struct static_key hcall_tracepoint_key;
557 void __trace_hcall_entry(unsigned long opcode, unsigned long *args);
558 void __trace_hcall_exit(long opcode, long retval, unsigned long *retbuf);
559 
560 struct hvcall_mpp_data {
561 	unsigned long entitled_mem;
562 	unsigned long mapped_mem;
563 	unsigned short group_num;
564 	unsigned short pool_num;
565 	unsigned char mem_weight;
566 	unsigned char unallocated_mem_weight;
567 	unsigned long unallocated_entitlement;  /* value in bytes */
568 	unsigned long pool_size;
569 	signed long loan_request;
570 	unsigned long backing_mem;
571 };
572 
573 long h_get_mpp(struct hvcall_mpp_data *mpp_data);
574 
575 struct hvcall_mpp_x_data {
576 	unsigned long coalesced_bytes;
577 	unsigned long pool_coalesced_bytes;
578 	unsigned long pool_purr_cycles;
579 	unsigned long pool_spurr_cycles;
580 	unsigned long reserved[3];
581 };
582 
583 int h_get_mpp_x(struct hvcall_mpp_x_data *mpp_x_data);
584 
get_longbusy_msecs(int longbusy_rc)585 static inline unsigned int get_longbusy_msecs(int longbusy_rc)
586 {
587 	switch (longbusy_rc) {
588 	case H_LONG_BUSY_ORDER_1_MSEC:
589 		return 1;
590 	case H_LONG_BUSY_ORDER_10_MSEC:
591 		return 10;
592 	case H_LONG_BUSY_ORDER_100_MSEC:
593 		return 100;
594 	case H_LONG_BUSY_ORDER_1_SEC:
595 		return 1000;
596 	case H_LONG_BUSY_ORDER_10_SEC:
597 		return 10000;
598 	case H_LONG_BUSY_ORDER_100_SEC:
599 		return 100000;
600 	default:
601 		return 1;
602 	}
603 }
604 
605 struct h_cpu_char_result {
606 	u64 character;
607 	u64 behaviour;
608 };
609 
610 /*
611  * Register state for entering a nested guest with H_ENTER_NESTED.
612  * New member must be added at the end.
613  */
614 struct hv_guest_state {
615 	u64 version;		/* version of this structure layout, must be first */
616 	u32 lpid;
617 	u32 vcpu_token;
618 	/* These registers are hypervisor privileged (at least for writing) */
619 	u64 lpcr;
620 	u64 pcr;
621 	u64 amor;
622 	u64 dpdes;
623 	u64 hfscr;
624 	s64 tb_offset;
625 	u64 dawr0;
626 	u64 dawrx0;
627 	u64 ciabr;
628 	u64 hdec_expiry;
629 	u64 purr;
630 	u64 spurr;
631 	u64 ic;
632 	u64 vtb;
633 	u64 hdar;
634 	u64 hdsisr;
635 	u64 heir;
636 	u64 asdr;
637 	/* These are OS privileged but need to be set late in guest entry */
638 	u64 srr0;
639 	u64 srr1;
640 	u64 sprg[4];
641 	u64 pidr;
642 	u64 cfar;
643 	u64 ppr;
644 	/* Version 1 ends here */
645 	u64 dawr1;
646 	u64 dawrx1;
647 	/* Version 2 ends here */
648 };
649 
650 /* Latest version of hv_guest_state structure */
651 #define HV_GUEST_STATE_VERSION	2
652 
hv_guest_state_size(unsigned int version)653 static inline int hv_guest_state_size(unsigned int version)
654 {
655 	switch (version) {
656 	case 1:
657 		return offsetofend(struct hv_guest_state, ppr);
658 	case 2:
659 		return offsetofend(struct hv_guest_state, dawrx1);
660 	default:
661 		return -1;
662 	}
663 }
664 
665 /*
666  * From the document "H_GetPerformanceCounterInfo Interface" v1.07
667  *
668  * H_GET_PERF_COUNTER_INFO argument
669  */
670 struct hv_get_perf_counter_info_params {
671 	__be32 counter_request; /* I */
672 	__be32 starting_index;  /* IO */
673 	__be16 secondary_index; /* IO */
674 	__be16 returned_values; /* O */
675 	__be32 detail_rc; /* O, only needed when called via *_norets() */
676 
677 	/*
678 	 * O, size each of counter_value element in bytes, only set for version
679 	 * >= 0x3
680 	 */
681 	__be16 cv_element_size;
682 
683 	/* I, 0 (zero) for versions < 0x3 */
684 	__u8 counter_info_version_in;
685 
686 	/* O, 0 (zero) if version < 0x3. Must be set to 0 when making hcall */
687 	__u8 counter_info_version_out;
688 	__u8 reserved[0xC];
689 	__u8 counter_value[];
690 } __packed;
691 
692 #define HGPCI_REQ_BUFFER_SIZE	4096
693 #define HGPCI_MAX_DATA_BYTES \
694 	(HGPCI_REQ_BUFFER_SIZE - sizeof(struct hv_get_perf_counter_info_params))
695 
696 struct hv_gpci_request_buffer {
697 	struct hv_get_perf_counter_info_params params;
698 	uint8_t bytes[HGPCI_MAX_DATA_BYTES];
699 } __packed;
700 
701 #endif /* __ASSEMBLY__ */
702 #endif /* __KERNEL__ */
703 #endif /* _ASM_POWERPC_HVCALL_H */
704