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 /* VASI signal codes. Only the Cancel code is valid for H_VASI_SIGNAL. */
159 #define H_VASI_SIGNAL_CANCEL    1
160 #define H_VASI_SIGNAL_ABORT     2
161 #define H_VASI_SIGNAL_SUSPEND   3
162 #define H_VASI_SIGNAL_COMPLETE  4
163 #define H_VASI_SIGNAL_ENABLE    5
164 #define H_VASI_SIGNAL_FAILOVER  6
165 
166 /* Each control block has to be on a 4K boundary */
167 #define H_CB_ALIGNMENT          4096
168 
169 /* pSeries hypervisor opcodes */
170 #define H_REMOVE		0x04
171 #define H_ENTER			0x08
172 #define H_READ			0x0c
173 #define H_CLEAR_MOD		0x10
174 #define H_CLEAR_REF		0x14
175 #define H_PROTECT		0x18
176 #define H_GET_TCE		0x1c
177 #define H_PUT_TCE		0x20
178 #define H_SET_SPRG0		0x24
179 #define H_SET_DABR		0x28
180 #define H_PAGE_INIT		0x2c
181 #define H_SET_ASR		0x30
182 #define H_ASR_ON		0x34
183 #define H_ASR_OFF		0x38
184 #define H_LOGICAL_CI_LOAD	0x3c
185 #define H_LOGICAL_CI_STORE	0x40
186 #define H_LOGICAL_CACHE_LOAD	0x44
187 #define H_LOGICAL_CACHE_STORE	0x48
188 #define H_LOGICAL_ICBI		0x4c
189 #define H_LOGICAL_DCBF		0x50
190 #define H_GET_TERM_CHAR		0x54
191 #define H_PUT_TERM_CHAR		0x58
192 #define H_REAL_TO_LOGICAL	0x5c
193 #define H_HYPERVISOR_DATA	0x60
194 #define H_EOI			0x64
195 #define H_CPPR			0x68
196 #define H_IPI			0x6c
197 #define H_IPOLL			0x70
198 #define H_XIRR			0x74
199 #define H_PERFMON		0x7c
200 #define H_MIGRATE_DMA		0x78
201 #define H_REGISTER_VPA		0xDC
202 #define H_CEDE			0xE0
203 #define H_CONFER		0xE4
204 #define H_PROD			0xE8
205 #define H_GET_PPP		0xEC
206 #define H_SET_PPP		0xF0
207 #define H_PURR			0xF4
208 #define H_PIC			0xF8
209 #define H_REG_CRQ		0xFC
210 #define H_FREE_CRQ		0x100
211 #define H_VIO_SIGNAL		0x104
212 #define H_SEND_CRQ		0x108
213 #define H_COPY_RDMA		0x110
214 #define H_REGISTER_LOGICAL_LAN	0x114
215 #define H_FREE_LOGICAL_LAN	0x118
216 #define H_ADD_LOGICAL_LAN_BUFFER 0x11C
217 #define H_SEND_LOGICAL_LAN	0x120
218 #define H_BULK_REMOVE		0x124
219 #define H_MULTICAST_CTRL	0x130
220 #define H_SET_XDABR		0x134
221 #define H_STUFF_TCE		0x138
222 #define H_PUT_TCE_INDIRECT	0x13C
223 #define H_CHANGE_LOGICAL_LAN_MAC 0x14C
224 #define H_VTERM_PARTNER_INFO	0x150
225 #define H_REGISTER_VTERM	0x154
226 #define H_FREE_VTERM		0x158
227 #define H_RESET_EVENTS          0x15C
228 #define H_ALLOC_RESOURCE        0x160
229 #define H_FREE_RESOURCE         0x164
230 #define H_MODIFY_QP             0x168
231 #define H_QUERY_QP              0x16C
232 #define H_REREGISTER_PMR        0x170
233 #define H_REGISTER_SMR          0x174
234 #define H_QUERY_MR              0x178
235 #define H_QUERY_MW              0x17C
236 #define H_QUERY_HCA             0x180
237 #define H_QUERY_PORT            0x184
238 #define H_MODIFY_PORT           0x188
239 #define H_DEFINE_AQP1           0x18C
240 #define H_GET_TRACE_BUFFER      0x190
241 #define H_DEFINE_AQP0           0x194
242 #define H_RESIZE_MR             0x198
243 #define H_ATTACH_MCQP           0x19C
244 #define H_DETACH_MCQP           0x1A0
245 #define H_CREATE_RPT            0x1A4
246 #define H_REMOVE_RPT            0x1A8
247 #define H_REGISTER_RPAGES       0x1AC
248 #define H_DISABLE_AND_GET       0x1B0
249 #define H_ERROR_DATA            0x1B4
250 #define H_GET_HCA_INFO          0x1B8
251 #define H_GET_PERF_COUNT        0x1BC
252 #define H_MANAGE_TRACE          0x1C0
253 #define H_GET_CPU_CHARACTERISTICS 0x1C8
254 #define H_FREE_LOGICAL_LAN_BUFFER 0x1D4
255 #define H_QUERY_INT_STATE       0x1E4
256 #define H_POLL_PENDING		0x1D8
257 #define H_ILLAN_ATTRIBUTES	0x244
258 #define H_MODIFY_HEA_QP		0x250
259 #define H_QUERY_HEA_QP		0x254
260 #define H_QUERY_HEA		0x258
261 #define H_QUERY_HEA_PORT	0x25C
262 #define H_MODIFY_HEA_PORT	0x260
263 #define H_REG_BCMC		0x264
264 #define H_DEREG_BCMC		0x268
265 #define H_REGISTER_HEA_RPAGES	0x26C
266 #define H_DISABLE_AND_GET_HEA	0x270
267 #define H_GET_HEA_INFO		0x274
268 #define H_ALLOC_HEA_RESOURCE	0x278
269 #define H_ADD_CONN		0x284
270 #define H_DEL_CONN		0x288
271 #define H_JOIN			0x298
272 #define H_VASI_SIGNAL           0x2A0
273 #define H_VASI_STATE            0x2A4
274 #define H_VIOCTL		0x2A8
275 #define H_ENABLE_CRQ		0x2B0
276 #define H_GET_EM_PARMS		0x2B8
277 #define H_SET_MPP		0x2D0
278 #define H_GET_MPP		0x2D4
279 #define H_REG_SUB_CRQ		0x2DC
280 #define H_HOME_NODE_ASSOCIATIVITY 0x2EC
281 #define H_FREE_SUB_CRQ		0x2E0
282 #define H_SEND_SUB_CRQ		0x2E4
283 #define H_SEND_SUB_CRQ_INDIRECT	0x2E8
284 #define H_BEST_ENERGY		0x2F4
285 #define H_XIRR_X		0x2FC
286 #define H_RANDOM		0x300
287 #define H_COP			0x304
288 #define H_GET_MPP_X		0x314
289 #define H_SET_MODE		0x31C
290 #define H_BLOCK_REMOVE		0x328
291 #define H_CLEAR_HPT		0x358
292 #define H_REQUEST_VMC		0x360
293 #define H_RESIZE_HPT_PREPARE	0x36C
294 #define H_RESIZE_HPT_COMMIT	0x370
295 #define H_REGISTER_PROC_TBL	0x37C
296 #define H_SIGNAL_SYS_RESET	0x380
297 #define H_ALLOCATE_VAS_WINDOW	0x388
298 #define H_MODIFY_VAS_WINDOW	0x38C
299 #define H_DEALLOCATE_VAS_WINDOW	0x390
300 #define H_QUERY_VAS_WINDOW	0x394
301 #define H_QUERY_VAS_CAPABILITIES	0x398
302 #define H_QUERY_NX_CAPABILITIES	0x39C
303 #define H_GET_NX_FAULT		0x3A0
304 #define H_INT_GET_SOURCE_INFO   0x3A8
305 #define H_INT_SET_SOURCE_CONFIG 0x3AC
306 #define H_INT_GET_SOURCE_CONFIG 0x3B0
307 #define H_INT_GET_QUEUE_INFO    0x3B4
308 #define H_INT_SET_QUEUE_CONFIG  0x3B8
309 #define H_INT_GET_QUEUE_CONFIG  0x3BC
310 #define H_INT_SET_OS_REPORTING_LINE 0x3C0
311 #define H_INT_GET_OS_REPORTING_LINE 0x3C4
312 #define H_INT_ESB               0x3C8
313 #define H_INT_SYNC              0x3CC
314 #define H_INT_RESET             0x3D0
315 #define H_SCM_READ_METADATA     0x3E4
316 #define H_SCM_WRITE_METADATA    0x3E8
317 #define H_SCM_BIND_MEM          0x3EC
318 #define H_SCM_UNBIND_MEM        0x3F0
319 #define H_SCM_QUERY_BLOCK_MEM_BINDING 0x3F4
320 #define H_SCM_QUERY_LOGICAL_MEM_BINDING 0x3F8
321 #define H_SCM_UNBIND_ALL        0x3FC
322 #define H_SCM_HEALTH            0x400
323 #define H_SCM_PERFORMANCE_STATS 0x418
324 #define H_RPT_INVALIDATE	0x448
325 #define H_SCM_FLUSH		0x44C
326 #define MAX_HCALL_OPCODE	H_SCM_FLUSH
327 
328 /* Scope args for H_SCM_UNBIND_ALL */
329 #define H_UNBIND_SCOPE_ALL (0x1)
330 #define H_UNBIND_SCOPE_DRC (0x2)
331 
332 /* H_VIOCTL functions */
333 #define H_GET_VIOA_DUMP_SIZE	0x01
334 #define H_GET_VIOA_DUMP		0x02
335 #define H_GET_ILLAN_NUM_VLAN_IDS 0x03
336 #define H_GET_ILLAN_VLAN_ID_LIST 0x04
337 #define H_GET_ILLAN_SWITCH_ID	0x05
338 #define H_DISABLE_MIGRATION	0x06
339 #define H_ENABLE_MIGRATION	0x07
340 #define H_GET_PARTNER_INFO	0x08
341 #define H_GET_PARTNER_WWPN_LIST	0x09
342 #define H_DISABLE_ALL_VIO_INTS	0x0A
343 #define H_DISABLE_VIO_INTERRUPT	0x0B
344 #define H_ENABLE_VIO_INTERRUPT	0x0C
345 #define H_GET_SESSION_TOKEN	0x19
346 #define H_SESSION_ERR_DETECTED	0x1A
347 
348 
349 /* Platform specific hcalls, used by KVM */
350 #define H_RTAS			0xf000
351 
352 /* "Platform specific hcalls", provided by PHYP */
353 #define H_GET_24X7_CATALOG_PAGE	0xF078
354 #define H_GET_24X7_DATA		0xF07C
355 #define H_GET_PERF_COUNTER_INFO	0xF080
356 
357 /* Platform-specific hcalls used for nested HV KVM */
358 #define H_SET_PARTITION_TABLE	0xF800
359 #define H_ENTER_NESTED		0xF804
360 #define H_TLB_INVALIDATE	0xF808
361 #define H_COPY_TOFROM_GUEST	0xF80C
362 
363 /* Flags for H_SVM_PAGE_IN */
364 #define H_PAGE_IN_SHARED        0x1
365 
366 /* Platform-specific hcalls used by the Ultravisor */
367 #define H_SVM_PAGE_IN		0xEF00
368 #define H_SVM_PAGE_OUT		0xEF04
369 #define H_SVM_INIT_START	0xEF08
370 #define H_SVM_INIT_DONE		0xEF0C
371 #define H_SVM_INIT_ABORT	0xEF14
372 
373 /* Values for 2nd argument to H_SET_MODE */
374 #define H_SET_MODE_RESOURCE_SET_CIABR		1
375 #define H_SET_MODE_RESOURCE_SET_DAWR0		2
376 #define H_SET_MODE_RESOURCE_ADDR_TRANS_MODE	3
377 #define H_SET_MODE_RESOURCE_LE			4
378 #define H_SET_MODE_RESOURCE_SET_DAWR1		5
379 
380 /* Values for argument to H_SIGNAL_SYS_RESET */
381 #define H_SIGNAL_SYS_RESET_ALL			-1
382 #define H_SIGNAL_SYS_RESET_ALL_OTHERS		-2
383 /* >= 0 values are CPU number */
384 
385 /* H_GET_CPU_CHARACTERISTICS return values */
386 #define H_CPU_CHAR_SPEC_BAR_ORI31	(1ull << 63) // IBM bit 0
387 #define H_CPU_CHAR_BCCTRL_SERIALISED	(1ull << 62) // IBM bit 1
388 #define H_CPU_CHAR_L1D_FLUSH_ORI30	(1ull << 61) // IBM bit 2
389 #define H_CPU_CHAR_L1D_FLUSH_TRIG2	(1ull << 60) // IBM bit 3
390 #define H_CPU_CHAR_L1D_THREAD_PRIV	(1ull << 59) // IBM bit 4
391 #define H_CPU_CHAR_BRANCH_HINTS_HONORED	(1ull << 58) // IBM bit 5
392 #define H_CPU_CHAR_THREAD_RECONFIG_CTRL	(1ull << 57) // IBM bit 6
393 #define H_CPU_CHAR_COUNT_CACHE_DISABLED	(1ull << 56) // IBM bit 7
394 #define H_CPU_CHAR_BCCTR_FLUSH_ASSIST	(1ull << 54) // IBM bit 9
395 #define H_CPU_CHAR_BCCTR_LINK_FLUSH_ASSIST (1ull << 52) // IBM bit 11
396 
397 #define H_CPU_BEHAV_FAVOUR_SECURITY	(1ull << 63) // IBM bit 0
398 #define H_CPU_BEHAV_L1D_FLUSH_PR	(1ull << 62) // IBM bit 1
399 #define H_CPU_BEHAV_BNDS_CHK_SPEC_BAR	(1ull << 61) // IBM bit 2
400 #define H_CPU_BEHAV_FAVOUR_SECURITY_H	(1ull << 60) // IBM bit 3
401 #define H_CPU_BEHAV_FLUSH_COUNT_CACHE	(1ull << 58) // IBM bit 5
402 #define H_CPU_BEHAV_FLUSH_LINK_STACK	(1ull << 57) // IBM bit 6
403 #define H_CPU_BEHAV_NO_L1D_FLUSH_ENTRY	(1ull << 56) // IBM bit 7
404 #define H_CPU_BEHAV_NO_L1D_FLUSH_UACCESS (1ull << 55) // IBM bit 8
405 #define H_CPU_BEHAV_NO_STF_BARRIER	(1ull << 54) // IBM bit 9
406 
407 /* Flag values used in H_REGISTER_PROC_TBL hcall */
408 #define PROC_TABLE_OP_MASK	0x18
409 #define PROC_TABLE_DEREG	0x10
410 #define PROC_TABLE_NEW		0x18
411 #define PROC_TABLE_TYPE_MASK	0x06
412 #define PROC_TABLE_HPT_SLB	0x00
413 #define PROC_TABLE_HPT_PT	0x02
414 #define PROC_TABLE_RADIX	0x04
415 #define PROC_TABLE_GTSE		0x01
416 
417 /*
418  * Defines for
419  * H_RPT_INVALIDATE - Invalidate RPT translation lookaside information.
420  */
421 
422 /* Type of translation to invalidate (type) */
423 #define H_RPTI_TYPE_NESTED	0x0001	/* Invalidate nested guest partition-scope */
424 #define H_RPTI_TYPE_TLB		0x0002	/* Invalidate TLB */
425 #define H_RPTI_TYPE_PWC		0x0004	/* Invalidate Page Walk Cache */
426 /* Invalidate caching of Process Table Entries if H_RPTI_TYPE_NESTED is clear */
427 #define H_RPTI_TYPE_PRT		0x0008
428 /* Invalidate caching of Partition Table Entries if H_RPTI_TYPE_NESTED is set */
429 #define H_RPTI_TYPE_PAT		0x0008
430 #define H_RPTI_TYPE_ALL		(H_RPTI_TYPE_TLB | H_RPTI_TYPE_PWC | \
431 				 H_RPTI_TYPE_PRT)
432 #define H_RPTI_TYPE_NESTED_ALL	(H_RPTI_TYPE_TLB | H_RPTI_TYPE_PWC | \
433 				 H_RPTI_TYPE_PAT)
434 
435 /* Invalidation targets (target) */
436 #define H_RPTI_TARGET_CMMU		0x01 /* All virtual processors in the partition */
437 #define H_RPTI_TARGET_CMMU_LOCAL	0x02 /* Current virtual processor */
438 /* All nest/accelerator agents in use by the partition */
439 #define H_RPTI_TARGET_NMMU		0x04
440 
441 /* Page size mask (page sizes) */
442 #define H_RPTI_PAGE_4K	0x01
443 #define H_RPTI_PAGE_64K	0x02
444 #define H_RPTI_PAGE_2M	0x04
445 #define H_RPTI_PAGE_1G	0x08
446 #define H_RPTI_PAGE_ALL (-1UL)
447 
448 #ifndef __ASSEMBLY__
449 #include <linux/types.h>
450 
451 /**
452  * plpar_hcall_norets: - Make a pseries hypervisor call with no return arguments
453  * @opcode: The hypervisor call to make.
454  *
455  * This call supports up to 7 arguments and only returns the status of
456  * the hcall. Use this version where possible, its slightly faster than
457  * the other plpar_hcalls.
458  */
459 long plpar_hcall_norets(unsigned long opcode, ...);
460 
461 /* Variant which does not do hcall tracing */
462 long plpar_hcall_norets_notrace(unsigned long opcode, ...);
463 
464 /**
465  * plpar_hcall: - Make a pseries hypervisor call
466  * @opcode: The hypervisor call to make.
467  * @retbuf: Buffer to store up to 4 return arguments in.
468  *
469  * This call supports up to 6 arguments and 4 return arguments. Use
470  * PLPAR_HCALL_BUFSIZE to size the return argument buffer.
471  *
472  * Used for all but the craziest of phyp interfaces (see plpar_hcall9)
473  */
474 #define PLPAR_HCALL_BUFSIZE 4
475 long plpar_hcall(unsigned long opcode, unsigned long *retbuf, ...);
476 
477 /**
478  * plpar_hcall_raw: - Make a hypervisor call without calculating hcall stats
479  * @opcode: The hypervisor call to make.
480  * @retbuf: Buffer to store up to 4 return arguments in.
481  *
482  * This call supports up to 6 arguments and 4 return arguments. Use
483  * PLPAR_HCALL_BUFSIZE to size the return argument buffer.
484  *
485  * Used when phyp interface needs to be called in real mode. Similar to
486  * plpar_hcall, but plpar_hcall_raw works in real mode and does not
487  * calculate hypervisor call statistics.
488  */
489 long plpar_hcall_raw(unsigned long opcode, unsigned long *retbuf, ...);
490 
491 /**
492  * plpar_hcall9: - Make a pseries hypervisor call with up to 9 return arguments
493  * @opcode: The hypervisor call to make.
494  * @retbuf: Buffer to store up to 9 return arguments in.
495  *
496  * This call supports up to 9 arguments and 9 return arguments. Use
497  * PLPAR_HCALL9_BUFSIZE to size the return argument buffer.
498  */
499 #define PLPAR_HCALL9_BUFSIZE 9
500 long plpar_hcall9(unsigned long opcode, unsigned long *retbuf, ...);
501 long plpar_hcall9_raw(unsigned long opcode, unsigned long *retbuf, ...);
502 
503 struct hvcall_mpp_data {
504 	unsigned long entitled_mem;
505 	unsigned long mapped_mem;
506 	unsigned short group_num;
507 	unsigned short pool_num;
508 	unsigned char mem_weight;
509 	unsigned char unallocated_mem_weight;
510 	unsigned long unallocated_entitlement;  /* value in bytes */
511 	unsigned long pool_size;
512 	signed long loan_request;
513 	unsigned long backing_mem;
514 };
515 
516 int h_get_mpp(struct hvcall_mpp_data *);
517 
518 struct hvcall_mpp_x_data {
519 	unsigned long coalesced_bytes;
520 	unsigned long pool_coalesced_bytes;
521 	unsigned long pool_purr_cycles;
522 	unsigned long pool_spurr_cycles;
523 	unsigned long reserved[3];
524 };
525 
526 int h_get_mpp_x(struct hvcall_mpp_x_data *mpp_x_data);
527 
get_longbusy_msecs(int longbusy_rc)528 static inline unsigned int get_longbusy_msecs(int longbusy_rc)
529 {
530 	switch (longbusy_rc) {
531 	case H_LONG_BUSY_ORDER_1_MSEC:
532 		return 1;
533 	case H_LONG_BUSY_ORDER_10_MSEC:
534 		return 10;
535 	case H_LONG_BUSY_ORDER_100_MSEC:
536 		return 100;
537 	case H_LONG_BUSY_ORDER_1_SEC:
538 		return 1000;
539 	case H_LONG_BUSY_ORDER_10_SEC:
540 		return 10000;
541 	case H_LONG_BUSY_ORDER_100_SEC:
542 		return 100000;
543 	default:
544 		return 1;
545 	}
546 }
547 
548 struct h_cpu_char_result {
549 	u64 character;
550 	u64 behaviour;
551 };
552 
553 /*
554  * Register state for entering a nested guest with H_ENTER_NESTED.
555  * New member must be added at the end.
556  */
557 struct hv_guest_state {
558 	u64 version;		/* version of this structure layout, must be first */
559 	u32 lpid;
560 	u32 vcpu_token;
561 	/* These registers are hypervisor privileged (at least for writing) */
562 	u64 lpcr;
563 	u64 pcr;
564 	u64 amor;
565 	u64 dpdes;
566 	u64 hfscr;
567 	s64 tb_offset;
568 	u64 dawr0;
569 	u64 dawrx0;
570 	u64 ciabr;
571 	u64 hdec_expiry;
572 	u64 purr;
573 	u64 spurr;
574 	u64 ic;
575 	u64 vtb;
576 	u64 hdar;
577 	u64 hdsisr;
578 	u64 heir;
579 	u64 asdr;
580 	/* These are OS privileged but need to be set late in guest entry */
581 	u64 srr0;
582 	u64 srr1;
583 	u64 sprg[4];
584 	u64 pidr;
585 	u64 cfar;
586 	u64 ppr;
587 	/* Version 1 ends here */
588 	u64 dawr1;
589 	u64 dawrx1;
590 	/* Version 2 ends here */
591 };
592 
593 /* Latest version of hv_guest_state structure */
594 #define HV_GUEST_STATE_VERSION	2
595 
hv_guest_state_size(unsigned int version)596 static inline int hv_guest_state_size(unsigned int version)
597 {
598 	switch (version) {
599 	case 1:
600 		return offsetofend(struct hv_guest_state, ppr);
601 	case 2:
602 		return offsetofend(struct hv_guest_state, dawrx1);
603 	default:
604 		return -1;
605 	}
606 }
607 
608 /*
609  * From the document "H_GetPerformanceCounterInfo Interface" v1.07
610  *
611  * H_GET_PERF_COUNTER_INFO argument
612  */
613 struct hv_get_perf_counter_info_params {
614 	__be32 counter_request; /* I */
615 	__be32 starting_index;  /* IO */
616 	__be16 secondary_index; /* IO */
617 	__be16 returned_values; /* O */
618 	__be32 detail_rc; /* O, only needed when called via *_norets() */
619 
620 	/*
621 	 * O, size each of counter_value element in bytes, only set for version
622 	 * >= 0x3
623 	 */
624 	__be16 cv_element_size;
625 
626 	/* I, 0 (zero) for versions < 0x3 */
627 	__u8 counter_info_version_in;
628 
629 	/* O, 0 (zero) if version < 0x3. Must be set to 0 when making hcall */
630 	__u8 counter_info_version_out;
631 	__u8 reserved[0xC];
632 	__u8 counter_value[];
633 } __packed;
634 
635 #define HGPCI_REQ_BUFFER_SIZE	4096
636 #define HGPCI_MAX_DATA_BYTES \
637 	(HGPCI_REQ_BUFFER_SIZE - sizeof(struct hv_get_perf_counter_info_params))
638 
639 struct hv_gpci_request_buffer {
640 	struct hv_get_perf_counter_info_params params;
641 	uint8_t bytes[HGPCI_MAX_DATA_BYTES];
642 } __packed;
643 
644 #endif /* __ASSEMBLY__ */
645 #endif /* __KERNEL__ */
646 #endif /* _ASM_POWERPC_HVCALL_H */
647