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_P2 -55
83 #define H_P3 -56
84 #define H_P4 -57
85 #define H_P5 -58
86 #define H_P6 -59
87 #define H_P7 -60
88 #define H_P8 -61
89 #define H_P9 -62
90 #define H_TOO_BIG -64
91 #define H_UNSUPPORTED -67
92 #define H_OVERLAP -68
93 #define H_INTERRUPT -69
94 #define H_BAD_DATA -70
95 #define H_NOT_ACTIVE -71
96 #define H_SG_LIST -72
97 #define H_OP_MODE -73
98 #define H_COP_HW -74
99 #define H_STATE -75
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
104
105
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
113 */
114 #define H_IS_LONG_BUSY(x) ((x >= H_LONG_BUSY_START_RANGE) \
115 && (x <= H_LONG_BUSY_END_RANGE))
116
117 /* Flags */
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))
138
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 */
148
149 /* VASI States */
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
157
158 /* Each control block has to be on a 4K boundary */
159 #define H_CB_ALIGNMENT 4096
160
161 /* pSeries hypervisor opcodes */
162 #define H_REMOVE 0x04
163 #define H_ENTER 0x08
164 #define H_READ 0x0c
165 #define H_CLEAR_MOD 0x10
166 #define H_CLEAR_REF 0x14
167 #define H_PROTECT 0x18
168 #define H_GET_TCE 0x1c
169 #define H_PUT_TCE 0x20
170 #define H_SET_SPRG0 0x24
171 #define H_SET_DABR 0x28
172 #define H_PAGE_INIT 0x2c
173 #define H_SET_ASR 0x30
174 #define H_ASR_ON 0x34
175 #define H_ASR_OFF 0x38
176 #define H_LOGICAL_CI_LOAD 0x3c
177 #define H_LOGICAL_CI_STORE 0x40
178 #define H_LOGICAL_CACHE_LOAD 0x44
179 #define H_LOGICAL_CACHE_STORE 0x48
180 #define H_LOGICAL_ICBI 0x4c
181 #define H_LOGICAL_DCBF 0x50
182 #define H_GET_TERM_CHAR 0x54
183 #define H_PUT_TERM_CHAR 0x58
184 #define H_REAL_TO_LOGICAL 0x5c
185 #define H_HYPERVISOR_DATA 0x60
186 #define H_EOI 0x64
187 #define H_CPPR 0x68
188 #define H_IPI 0x6c
189 #define H_IPOLL 0x70
190 #define H_XIRR 0x74
191 #define H_PERFMON 0x7c
192 #define H_MIGRATE_DMA 0x78
193 #define H_REGISTER_VPA 0xDC
194 #define H_CEDE 0xE0
195 #define H_CONFER 0xE4
196 #define H_PROD 0xE8
197 #define H_GET_PPP 0xEC
198 #define H_SET_PPP 0xF0
199 #define H_PURR 0xF4
200 #define H_PIC 0xF8
201 #define H_REG_CRQ 0xFC
202 #define H_FREE_CRQ 0x100
203 #define H_VIO_SIGNAL 0x104
204 #define H_SEND_CRQ 0x108
205 #define H_COPY_RDMA 0x110
206 #define H_REGISTER_LOGICAL_LAN 0x114
207 #define H_FREE_LOGICAL_LAN 0x118
208 #define H_ADD_LOGICAL_LAN_BUFFER 0x11C
209 #define H_SEND_LOGICAL_LAN 0x120
210 #define H_BULK_REMOVE 0x124
211 #define H_MULTICAST_CTRL 0x130
212 #define H_SET_XDABR 0x134
213 #define H_STUFF_TCE 0x138
214 #define H_PUT_TCE_INDIRECT 0x13C
215 #define H_CHANGE_LOGICAL_LAN_MAC 0x14C
216 #define H_VTERM_PARTNER_INFO 0x150
217 #define H_REGISTER_VTERM 0x154
218 #define H_FREE_VTERM 0x158
219 #define H_RESET_EVENTS 0x15C
220 #define H_ALLOC_RESOURCE 0x160
221 #define H_FREE_RESOURCE 0x164
222 #define H_MODIFY_QP 0x168
223 #define H_QUERY_QP 0x16C
224 #define H_REREGISTER_PMR 0x170
225 #define H_REGISTER_SMR 0x174
226 #define H_QUERY_MR 0x178
227 #define H_QUERY_MW 0x17C
228 #define H_QUERY_HCA 0x180
229 #define H_QUERY_PORT 0x184
230 #define H_MODIFY_PORT 0x188
231 #define H_DEFINE_AQP1 0x18C
232 #define H_GET_TRACE_BUFFER 0x190
233 #define H_DEFINE_AQP0 0x194
234 #define H_RESIZE_MR 0x198
235 #define H_ATTACH_MCQP 0x19C
236 #define H_DETACH_MCQP 0x1A0
237 #define H_CREATE_RPT 0x1A4
238 #define H_REMOVE_RPT 0x1A8
239 #define H_REGISTER_RPAGES 0x1AC
240 #define H_DISABLE_AND_GETC 0x1B0
241 #define H_ERROR_DATA 0x1B4
242 #define H_GET_HCA_INFO 0x1B8
243 #define H_GET_PERF_COUNT 0x1BC
244 #define H_MANAGE_TRACE 0x1C0
245 #define H_GET_CPU_CHARACTERISTICS 0x1C8
246 #define H_FREE_LOGICAL_LAN_BUFFER 0x1D4
247 #define H_QUERY_INT_STATE 0x1E4
248 #define H_POLL_PENDING 0x1D8
249 #define H_ILLAN_ATTRIBUTES 0x244
250 #define H_MODIFY_HEA_QP 0x250
251 #define H_QUERY_HEA_QP 0x254
252 #define H_QUERY_HEA 0x258
253 #define H_QUERY_HEA_PORT 0x25C
254 #define H_MODIFY_HEA_PORT 0x260
255 #define H_REG_BCMC 0x264
256 #define H_DEREG_BCMC 0x268
257 #define H_REGISTER_HEA_RPAGES 0x26C
258 #define H_DISABLE_AND_GET_HEA 0x270
259 #define H_GET_HEA_INFO 0x274
260 #define H_ALLOC_HEA_RESOURCE 0x278
261 #define H_ADD_CONN 0x284
262 #define H_DEL_CONN 0x288
263 #define H_JOIN 0x298
264 #define H_VASI_STATE 0x2A4
265 #define H_VIOCTL 0x2A8
266 #define H_ENABLE_CRQ 0x2B0
267 #define H_GET_EM_PARMS 0x2B8
268 #define H_SET_MPP 0x2D0
269 #define H_GET_MPP 0x2D4
270 #define H_REG_SUB_CRQ 0x2DC
271 #define H_HOME_NODE_ASSOCIATIVITY 0x2EC
272 #define H_FREE_SUB_CRQ 0x2E0
273 #define H_SEND_SUB_CRQ 0x2E4
274 #define H_SEND_SUB_CRQ_INDIRECT 0x2E8
275 #define H_BEST_ENERGY 0x2F4
276 #define H_XIRR_X 0x2FC
277 #define H_RANDOM 0x300
278 #define H_COP 0x304
279 #define H_GET_MPP_X 0x314
280 #define H_SET_MODE 0x31C
281 #define H_BLOCK_REMOVE 0x328
282 #define H_CLEAR_HPT 0x358
283 #define H_REQUEST_VMC 0x360
284 #define H_RESIZE_HPT_PREPARE 0x36C
285 #define H_RESIZE_HPT_COMMIT 0x370
286 #define H_REGISTER_PROC_TBL 0x37C
287 #define H_SIGNAL_SYS_RESET 0x380
288 #define H_INT_GET_SOURCE_INFO 0x3A8
289 #define H_INT_SET_SOURCE_CONFIG 0x3AC
290 #define H_INT_GET_SOURCE_CONFIG 0x3B0
291 #define H_INT_GET_QUEUE_INFO 0x3B4
292 #define H_INT_SET_QUEUE_CONFIG 0x3B8
293 #define H_INT_GET_QUEUE_CONFIG 0x3BC
294 #define H_INT_SET_OS_REPORTING_LINE 0x3C0
295 #define H_INT_GET_OS_REPORTING_LINE 0x3C4
296 #define H_INT_ESB 0x3C8
297 #define H_INT_SYNC 0x3CC
298 #define H_INT_RESET 0x3D0
299 #define H_SCM_READ_METADATA 0x3E4
300 #define H_SCM_WRITE_METADATA 0x3E8
301 #define H_SCM_BIND_MEM 0x3EC
302 #define H_SCM_UNBIND_MEM 0x3F0
303 #define H_SCM_QUERY_BLOCK_MEM_BINDING 0x3F4
304 #define H_SCM_QUERY_LOGICAL_MEM_BINDING 0x3F8
305 #define H_SCM_UNBIND_ALL 0x3FC
306 #define H_SCM_HEALTH 0x400
307 #define H_SCM_PERFORMANCE_STATS 0x418
308 #define MAX_HCALL_OPCODE H_SCM_PERFORMANCE_STATS
309
310 /* Scope args for H_SCM_UNBIND_ALL */
311 #define H_UNBIND_SCOPE_ALL (0x1)
312 #define H_UNBIND_SCOPE_DRC (0x2)
313
314 /* H_VIOCTL functions */
315 #define H_GET_VIOA_DUMP_SIZE 0x01
316 #define H_GET_VIOA_DUMP 0x02
317 #define H_GET_ILLAN_NUM_VLAN_IDS 0x03
318 #define H_GET_ILLAN_VLAN_ID_LIST 0x04
319 #define H_GET_ILLAN_SWITCH_ID 0x05
320 #define H_DISABLE_MIGRATION 0x06
321 #define H_ENABLE_MIGRATION 0x07
322 #define H_GET_PARTNER_INFO 0x08
323 #define H_GET_PARTNER_WWPN_LIST 0x09
324 #define H_DISABLE_ALL_VIO_INTS 0x0A
325 #define H_DISABLE_VIO_INTERRUPT 0x0B
326 #define H_ENABLE_VIO_INTERRUPT 0x0C
327 #define H_GET_SESSION_TOKEN 0x19
328 #define H_SESSION_ERR_DETECTED 0x1A
329
330
331 /* Platform specific hcalls, used by KVM */
332 #define H_RTAS 0xf000
333
334 /* "Platform specific hcalls", provided by PHYP */
335 #define H_GET_24X7_CATALOG_PAGE 0xF078
336 #define H_GET_24X7_DATA 0xF07C
337 #define H_GET_PERF_COUNTER_INFO 0xF080
338
339 /* Platform-specific hcalls used for nested HV KVM */
340 #define H_SET_PARTITION_TABLE 0xF800
341 #define H_ENTER_NESTED 0xF804
342 #define H_TLB_INVALIDATE 0xF808
343 #define H_COPY_TOFROM_GUEST 0xF80C
344
345 /* Values for 2nd argument to H_SET_MODE */
346 #define H_SET_MODE_RESOURCE_SET_CIABR 1
347 #define H_SET_MODE_RESOURCE_SET_DAWR 2
348 #define H_SET_MODE_RESOURCE_ADDR_TRANS_MODE 3
349 #define H_SET_MODE_RESOURCE_LE 4
350
351 /* Values for argument to H_SIGNAL_SYS_RESET */
352 #define H_SIGNAL_SYS_RESET_ALL -1
353 #define H_SIGNAL_SYS_RESET_ALL_OTHERS -2
354 /* >= 0 values are CPU number */
355
356 /* H_GET_CPU_CHARACTERISTICS return values */
357 #define H_CPU_CHAR_SPEC_BAR_ORI31 (1ull << 63) // IBM bit 0
358 #define H_CPU_CHAR_BCCTRL_SERIALISED (1ull << 62) // IBM bit 1
359 #define H_CPU_CHAR_L1D_FLUSH_ORI30 (1ull << 61) // IBM bit 2
360 #define H_CPU_CHAR_L1D_FLUSH_TRIG2 (1ull << 60) // IBM bit 3
361 #define H_CPU_CHAR_L1D_THREAD_PRIV (1ull << 59) // IBM bit 4
362 #define H_CPU_CHAR_BRANCH_HINTS_HONORED (1ull << 58) // IBM bit 5
363 #define H_CPU_CHAR_THREAD_RECONFIG_CTRL (1ull << 57) // IBM bit 6
364 #define H_CPU_CHAR_COUNT_CACHE_DISABLED (1ull << 56) // IBM bit 7
365 #define H_CPU_CHAR_BCCTR_FLUSH_ASSIST (1ull << 54) // IBM bit 9
366
367 #define H_CPU_BEHAV_FAVOUR_SECURITY (1ull << 63) // IBM bit 0
368 #define H_CPU_BEHAV_L1D_FLUSH_PR (1ull << 62) // IBM bit 1
369 #define H_CPU_BEHAV_BNDS_CHK_SPEC_BAR (1ull << 61) // IBM bit 2
370 #define H_CPU_BEHAV_FLUSH_COUNT_CACHE (1ull << 58) // IBM bit 5
371
372 /* Flag values used in H_REGISTER_PROC_TBL hcall */
373 #define PROC_TABLE_OP_MASK 0x18
374 #define PROC_TABLE_DEREG 0x10
375 #define PROC_TABLE_NEW 0x18
376 #define PROC_TABLE_TYPE_MASK 0x06
377 #define PROC_TABLE_HPT_SLB 0x00
378 #define PROC_TABLE_HPT_PT 0x02
379 #define PROC_TABLE_RADIX 0x04
380 #define PROC_TABLE_GTSE 0x01
381
382 #ifndef __ASSEMBLY__
383 #include <linux/types.h>
384
385 /**
386 * plpar_hcall_norets: - Make a pseries hypervisor call with no return arguments
387 * @opcode: The hypervisor call to make.
388 *
389 * This call supports up to 7 arguments and only returns the status of
390 * the hcall. Use this version where possible, its slightly faster than
391 * the other plpar_hcalls.
392 */
393 long plpar_hcall_norets(unsigned long opcode, ...);
394
395 /**
396 * plpar_hcall: - Make a pseries hypervisor call
397 * @opcode: The hypervisor call to make.
398 * @retbuf: Buffer to store up to 4 return arguments in.
399 *
400 * This call supports up to 6 arguments and 4 return arguments. Use
401 * PLPAR_HCALL_BUFSIZE to size the return argument buffer.
402 *
403 * Used for all but the craziest of phyp interfaces (see plpar_hcall9)
404 */
405 #define PLPAR_HCALL_BUFSIZE 4
406 long plpar_hcall(unsigned long opcode, unsigned long *retbuf, ...);
407
408 /**
409 * plpar_hcall_raw: - Make a hypervisor call without calculating hcall stats
410 * @opcode: The hypervisor call to make.
411 * @retbuf: Buffer to store up to 4 return arguments in.
412 *
413 * This call supports up to 6 arguments and 4 return arguments. Use
414 * PLPAR_HCALL_BUFSIZE to size the return argument buffer.
415 *
416 * Used when phyp interface needs to be called in real mode. Similar to
417 * plpar_hcall, but plpar_hcall_raw works in real mode and does not
418 * calculate hypervisor call statistics.
419 */
420 long plpar_hcall_raw(unsigned long opcode, unsigned long *retbuf, ...);
421
422 /**
423 * plpar_hcall9: - Make a pseries hypervisor call with up to 9 return arguments
424 * @opcode: The hypervisor call to make.
425 * @retbuf: Buffer to store up to 9 return arguments in.
426 *
427 * This call supports up to 9 arguments and 9 return arguments. Use
428 * PLPAR_HCALL9_BUFSIZE to size the return argument buffer.
429 */
430 #define PLPAR_HCALL9_BUFSIZE 9
431 long plpar_hcall9(unsigned long opcode, unsigned long *retbuf, ...);
432 long plpar_hcall9_raw(unsigned long opcode, unsigned long *retbuf, ...);
433
434 struct hvcall_mpp_data {
435 unsigned long entitled_mem;
436 unsigned long mapped_mem;
437 unsigned short group_num;
438 unsigned short pool_num;
439 unsigned char mem_weight;
440 unsigned char unallocated_mem_weight;
441 unsigned long unallocated_entitlement; /* value in bytes */
442 unsigned long pool_size;
443 signed long loan_request;
444 unsigned long backing_mem;
445 };
446
447 int h_get_mpp(struct hvcall_mpp_data *);
448
449 struct hvcall_mpp_x_data {
450 unsigned long coalesced_bytes;
451 unsigned long pool_coalesced_bytes;
452 unsigned long pool_purr_cycles;
453 unsigned long pool_spurr_cycles;
454 unsigned long reserved[3];
455 };
456
457 int h_get_mpp_x(struct hvcall_mpp_x_data *mpp_x_data);
458
get_longbusy_msecs(int longbusy_rc)459 static inline unsigned int get_longbusy_msecs(int longbusy_rc)
460 {
461 switch (longbusy_rc) {
462 case H_LONG_BUSY_ORDER_1_MSEC:
463 return 1;
464 case H_LONG_BUSY_ORDER_10_MSEC:
465 return 10;
466 case H_LONG_BUSY_ORDER_100_MSEC:
467 return 100;
468 case H_LONG_BUSY_ORDER_1_SEC:
469 return 1000;
470 case H_LONG_BUSY_ORDER_10_SEC:
471 return 10000;
472 case H_LONG_BUSY_ORDER_100_SEC:
473 return 100000;
474 default:
475 return 1;
476 }
477 }
478
479 struct h_cpu_char_result {
480 u64 character;
481 u64 behaviour;
482 };
483
484 /* Register state for entering a nested guest with H_ENTER_NESTED */
485 struct hv_guest_state {
486 u64 version; /* version of this structure layout */
487 u32 lpid;
488 u32 vcpu_token;
489 /* These registers are hypervisor privileged (at least for writing) */
490 u64 lpcr;
491 u64 pcr;
492 u64 amor;
493 u64 dpdes;
494 u64 hfscr;
495 s64 tb_offset;
496 u64 dawr0;
497 u64 dawrx0;
498 u64 ciabr;
499 u64 hdec_expiry;
500 u64 purr;
501 u64 spurr;
502 u64 ic;
503 u64 vtb;
504 u64 hdar;
505 u64 hdsisr;
506 u64 heir;
507 u64 asdr;
508 /* These are OS privileged but need to be set late in guest entry */
509 u64 srr0;
510 u64 srr1;
511 u64 sprg[4];
512 u64 pidr;
513 u64 cfar;
514 u64 ppr;
515 };
516
517 /* Latest version of hv_guest_state structure */
518 #define HV_GUEST_STATE_VERSION 1
519
520 #endif /* __ASSEMBLY__ */
521 #endif /* __KERNEL__ */
522 #endif /* _ASM_POWERPC_HVCALL_H */
523
