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