xref: /linux/arch/powerpc/include/asm/hvcall.h (revision e2be04c7f9958dde770eeb8b30e829ca969b37bb)
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_OVERLAP	-68
92 #define H_INTERRUPT	-69
93 #define H_BAD_DATA	-70
94 #define H_NOT_ACTIVE	-71
95 #define H_SG_LIST	-72
96 #define H_OP_MODE	-73
97 #define H_COP_HW	-74
98 #define H_STATE		-75
99 #define H_UNSUPPORTED_FLAG_START	-256
100 #define H_UNSUPPORTED_FLAG_END		-511
101 #define H_MULTI_THREADS_ACTIVE	-9005
102 #define H_OUTSTANDING_COP_OPS	-9006
103 
104 
105 /* Long Busy is a condition that can be returned by the firmware
106  * when a call cannot be completed now, but the identical call
107  * should be retried later.  This prevents calls blocking in the
108  * firmware for long periods of time.  Annoyingly the firmware can return
109  * a range of return codes, hinting at how long we should wait before
110  * retrying.  If you don't care for the hint, the macro below is a good
111  * way to check for the long_busy return codes
112  */
113 #define H_IS_LONG_BUSY(x)  ((x >= H_LONG_BUSY_START_RANGE) \
114 			     && (x <= H_LONG_BUSY_END_RANGE))
115 
116 /* Flags */
117 #define H_LARGE_PAGE		(1UL<<(63-16))
118 #define H_EXACT			(1UL<<(63-24))	/* Use exact PTE or return H_PTEG_FULL */
119 #define H_R_XLATE		(1UL<<(63-25))	/* include a valid logical page num in the pte if the valid bit is set */
120 #define H_READ_4		(1UL<<(63-26))	/* Return 4 PTEs */
121 #define H_PAGE_STATE_CHANGE	(1UL<<(63-28))
122 #define H_PAGE_UNUSED		((1UL<<(63-29)) | (1UL<<(63-30)))
123 #define H_PAGE_SET_UNUSED	(H_PAGE_STATE_CHANGE | H_PAGE_UNUSED)
124 #define H_PAGE_SET_LOANED	(H_PAGE_SET_UNUSED | (1UL<<(63-31)))
125 #define H_PAGE_SET_ACTIVE	H_PAGE_STATE_CHANGE
126 #define H_AVPN			(1UL<<(63-32))	/* An avpn is provided as a sanity test */
127 #define H_ANDCOND		(1UL<<(63-33))
128 #define H_LOCAL			(1UL<<(63-35))
129 #define H_ICACHE_INVALIDATE	(1UL<<(63-40))	/* icbi, etc.  (ignored for IO pages) */
130 #define H_ICACHE_SYNCHRONIZE	(1UL<<(63-41))	/* dcbst, icbi, etc (ignored for IO pages */
131 #define H_COALESCE_CAND	(1UL<<(63-42))	/* page is a good candidate for coalescing */
132 #define H_ZERO_PAGE		(1UL<<(63-48))	/* zero the page before mapping (ignored for IO pages) */
133 #define H_COPY_PAGE		(1UL<<(63-49))
134 #define H_N			(1UL<<(63-61))
135 #define H_PP1			(1UL<<(63-62))
136 #define H_PP2			(1UL<<(63-63))
137 
138 /* Flags for H_REGISTER_VPA subfunction field */
139 #define H_VPA_FUNC_SHIFT	(63-18)	/* Bit posn of subfunction code */
140 #define H_VPA_FUNC_MASK		7UL
141 #define H_VPA_REG_VPA		1UL	/* Register Virtual Processor Area */
142 #define H_VPA_REG_DTL		2UL	/* Register Dispatch Trace Log */
143 #define H_VPA_REG_SLB		3UL	/* Register SLB shadow buffer */
144 #define H_VPA_DEREG_VPA		5UL	/* Deregister Virtual Processor Area */
145 #define H_VPA_DEREG_DTL		6UL	/* Deregister Dispatch Trace Log */
146 #define H_VPA_DEREG_SLB		7UL	/* Deregister SLB shadow buffer */
147 
148 /* VASI States */
149 #define H_VASI_INVALID          0
150 #define H_VASI_ENABLED          1
151 #define H_VASI_ABORTED          2
152 #define H_VASI_SUSPENDING       3
153 #define H_VASI_SUSPENDED        4
154 #define H_VASI_RESUMED          5
155 #define H_VASI_COMPLETED        6
156 
157 /* Each control block has to be on a 4K boundary */
158 #define H_CB_ALIGNMENT          4096
159 
160 /* pSeries hypervisor opcodes */
161 #define H_REMOVE		0x04
162 #define H_ENTER			0x08
163 #define H_READ			0x0c
164 #define H_CLEAR_MOD		0x10
165 #define H_CLEAR_REF		0x14
166 #define H_PROTECT		0x18
167 #define H_GET_TCE		0x1c
168 #define H_PUT_TCE		0x20
169 #define H_SET_SPRG0		0x24
170 #define H_SET_DABR		0x28
171 #define H_PAGE_INIT		0x2c
172 #define H_SET_ASR		0x30
173 #define H_ASR_ON		0x34
174 #define H_ASR_OFF		0x38
175 #define H_LOGICAL_CI_LOAD	0x3c
176 #define H_LOGICAL_CI_STORE	0x40
177 #define H_LOGICAL_CACHE_LOAD	0x44
178 #define H_LOGICAL_CACHE_STORE	0x48
179 #define H_LOGICAL_ICBI		0x4c
180 #define H_LOGICAL_DCBF		0x50
181 #define H_GET_TERM_CHAR		0x54
182 #define H_PUT_TERM_CHAR		0x58
183 #define H_REAL_TO_LOGICAL	0x5c
184 #define H_HYPERVISOR_DATA	0x60
185 #define H_EOI			0x64
186 #define H_CPPR			0x68
187 #define H_IPI			0x6c
188 #define H_IPOLL			0x70
189 #define H_XIRR			0x74
190 #define H_PERFMON		0x7c
191 #define H_MIGRATE_DMA		0x78
192 #define H_REGISTER_VPA		0xDC
193 #define H_CEDE			0xE0
194 #define H_CONFER		0xE4
195 #define H_PROD			0xE8
196 #define H_GET_PPP		0xEC
197 #define H_SET_PPP		0xF0
198 #define H_PURR			0xF4
199 #define H_PIC			0xF8
200 #define H_REG_CRQ		0xFC
201 #define H_FREE_CRQ		0x100
202 #define H_VIO_SIGNAL		0x104
203 #define H_SEND_CRQ		0x108
204 #define H_COPY_RDMA		0x110
205 #define H_REGISTER_LOGICAL_LAN	0x114
206 #define H_FREE_LOGICAL_LAN	0x118
207 #define H_ADD_LOGICAL_LAN_BUFFER 0x11C
208 #define H_SEND_LOGICAL_LAN	0x120
209 #define H_BULK_REMOVE		0x124
210 #define H_MULTICAST_CTRL	0x130
211 #define H_SET_XDABR		0x134
212 #define H_STUFF_TCE		0x138
213 #define H_PUT_TCE_INDIRECT	0x13C
214 #define H_CHANGE_LOGICAL_LAN_MAC 0x14C
215 #define H_VTERM_PARTNER_INFO	0x150
216 #define H_REGISTER_VTERM	0x154
217 #define H_FREE_VTERM		0x158
218 #define H_RESET_EVENTS          0x15C
219 #define H_ALLOC_RESOURCE        0x160
220 #define H_FREE_RESOURCE         0x164
221 #define H_MODIFY_QP             0x168
222 #define H_QUERY_QP              0x16C
223 #define H_REREGISTER_PMR        0x170
224 #define H_REGISTER_SMR          0x174
225 #define H_QUERY_MR              0x178
226 #define H_QUERY_MW              0x17C
227 #define H_QUERY_HCA             0x180
228 #define H_QUERY_PORT            0x184
229 #define H_MODIFY_PORT           0x188
230 #define H_DEFINE_AQP1           0x18C
231 #define H_GET_TRACE_BUFFER      0x190
232 #define H_DEFINE_AQP0           0x194
233 #define H_RESIZE_MR             0x198
234 #define H_ATTACH_MCQP           0x19C
235 #define H_DETACH_MCQP           0x1A0
236 #define H_CREATE_RPT            0x1A4
237 #define H_REMOVE_RPT            0x1A8
238 #define H_REGISTER_RPAGES       0x1AC
239 #define H_DISABLE_AND_GETC      0x1B0
240 #define H_ERROR_DATA            0x1B4
241 #define H_GET_HCA_INFO          0x1B8
242 #define H_GET_PERF_COUNT        0x1BC
243 #define H_MANAGE_TRACE          0x1C0
244 #define H_FREE_LOGICAL_LAN_BUFFER 0x1D4
245 #define H_QUERY_INT_STATE       0x1E4
246 #define H_POLL_PENDING		0x1D8
247 #define H_ILLAN_ATTRIBUTES	0x244
248 #define H_MODIFY_HEA_QP		0x250
249 #define H_QUERY_HEA_QP		0x254
250 #define H_QUERY_HEA		0x258
251 #define H_QUERY_HEA_PORT	0x25C
252 #define H_MODIFY_HEA_PORT	0x260
253 #define H_REG_BCMC		0x264
254 #define H_DEREG_BCMC		0x268
255 #define H_REGISTER_HEA_RPAGES	0x26C
256 #define H_DISABLE_AND_GET_HEA	0x270
257 #define H_GET_HEA_INFO		0x274
258 #define H_ALLOC_HEA_RESOURCE	0x278
259 #define H_ADD_CONN		0x284
260 #define H_DEL_CONN		0x288
261 #define H_JOIN			0x298
262 #define H_VASI_STATE            0x2A4
263 #define H_VIOCTL		0x2A8
264 #define H_ENABLE_CRQ		0x2B0
265 #define H_GET_EM_PARMS		0x2B8
266 #define H_SET_MPP		0x2D0
267 #define H_GET_MPP		0x2D4
268 #define H_REG_SUB_CRQ		0x2DC
269 #define H_HOME_NODE_ASSOCIATIVITY 0x2EC
270 #define H_FREE_SUB_CRQ		0x2E0
271 #define H_SEND_SUB_CRQ		0x2E4
272 #define H_SEND_SUB_CRQ_INDIRECT	0x2E8
273 #define H_BEST_ENERGY		0x2F4
274 #define H_XIRR_X		0x2FC
275 #define H_RANDOM		0x300
276 #define H_COP			0x304
277 #define H_GET_MPP_X		0x314
278 #define H_SET_MODE		0x31C
279 #define H_CLEAR_HPT		0x358
280 #define H_RESIZE_HPT_PREPARE	0x36C
281 #define H_RESIZE_HPT_COMMIT	0x370
282 #define H_REGISTER_PROC_TBL	0x37C
283 #define H_SIGNAL_SYS_RESET	0x380
284 #define H_INT_GET_SOURCE_INFO   0x3A8
285 #define H_INT_SET_SOURCE_CONFIG 0x3AC
286 #define H_INT_GET_SOURCE_CONFIG 0x3B0
287 #define H_INT_GET_QUEUE_INFO    0x3B4
288 #define H_INT_SET_QUEUE_CONFIG  0x3B8
289 #define H_INT_GET_QUEUE_CONFIG  0x3BC
290 #define H_INT_SET_OS_REPORTING_LINE 0x3C0
291 #define H_INT_GET_OS_REPORTING_LINE 0x3C4
292 #define H_INT_ESB               0x3C8
293 #define H_INT_SYNC              0x3CC
294 #define H_INT_RESET             0x3D0
295 #define MAX_HCALL_OPCODE	H_INT_RESET
296 
297 /* H_VIOCTL functions */
298 #define H_GET_VIOA_DUMP_SIZE	0x01
299 #define H_GET_VIOA_DUMP		0x02
300 #define H_GET_ILLAN_NUM_VLAN_IDS 0x03
301 #define H_GET_ILLAN_VLAN_ID_LIST 0x04
302 #define H_GET_ILLAN_SWITCH_ID	0x05
303 #define H_DISABLE_MIGRATION	0x06
304 #define H_ENABLE_MIGRATION	0x07
305 #define H_GET_PARTNER_INFO	0x08
306 #define H_GET_PARTNER_WWPN_LIST	0x09
307 #define H_DISABLE_ALL_VIO_INTS	0x0A
308 #define H_DISABLE_VIO_INTERRUPT	0x0B
309 #define H_ENABLE_VIO_INTERRUPT	0x0C
310 #define H_GET_SESSION_TOKEN	0x19
311 #define H_SESSION_ERR_DETECTED	0x1A
312 
313 
314 /* Platform specific hcalls, used by KVM */
315 #define H_RTAS			0xf000
316 
317 /* "Platform specific hcalls", provided by PHYP */
318 #define H_GET_24X7_CATALOG_PAGE	0xF078
319 #define H_GET_24X7_DATA		0xF07C
320 #define H_GET_PERF_COUNTER_INFO	0xF080
321 
322 /* Values for 2nd argument to H_SET_MODE */
323 #define H_SET_MODE_RESOURCE_SET_CIABR		1
324 #define H_SET_MODE_RESOURCE_SET_DAWR		2
325 #define H_SET_MODE_RESOURCE_ADDR_TRANS_MODE	3
326 #define H_SET_MODE_RESOURCE_LE			4
327 
328 /* Values for argument to H_SIGNAL_SYS_RESET */
329 #define H_SIGNAL_SYS_RESET_ALL			-1
330 #define H_SIGNAL_SYS_RESET_ALL_OTHERS		-2
331 /* >= 0 values are CPU number */
332 
333 /* Flag values used in H_REGISTER_PROC_TBL hcall */
334 #define PROC_TABLE_OP_MASK	0x18
335 #define PROC_TABLE_DEREG	0x10
336 #define PROC_TABLE_NEW		0x18
337 #define PROC_TABLE_TYPE_MASK	0x06
338 #define PROC_TABLE_HPT_SLB	0x00
339 #define PROC_TABLE_HPT_PT	0x02
340 #define PROC_TABLE_RADIX	0x04
341 #define PROC_TABLE_GTSE		0x01
342 
343 #ifndef __ASSEMBLY__
344 
345 /**
346  * plpar_hcall_norets: - Make a pseries hypervisor call with no return arguments
347  * @opcode: The hypervisor call to make.
348  *
349  * This call supports up to 7 arguments and only returns the status of
350  * the hcall. Use this version where possible, its slightly faster than
351  * the other plpar_hcalls.
352  */
353 long plpar_hcall_norets(unsigned long opcode, ...);
354 
355 /**
356  * plpar_hcall: - Make a pseries hypervisor call
357  * @opcode: The hypervisor call to make.
358  * @retbuf: Buffer to store up to 4 return arguments in.
359  *
360  * This call supports up to 6 arguments and 4 return arguments. Use
361  * PLPAR_HCALL_BUFSIZE to size the return argument buffer.
362  *
363  * Used for all but the craziest of phyp interfaces (see plpar_hcall9)
364  */
365 #define PLPAR_HCALL_BUFSIZE 4
366 long plpar_hcall(unsigned long opcode, unsigned long *retbuf, ...);
367 
368 /**
369  * plpar_hcall_raw: - Make a hypervisor call without calculating hcall stats
370  * @opcode: The hypervisor call to make.
371  * @retbuf: Buffer to store up to 4 return arguments in.
372  *
373  * This call supports up to 6 arguments and 4 return arguments. Use
374  * PLPAR_HCALL_BUFSIZE to size the return argument buffer.
375  *
376  * Used when phyp interface needs to be called in real mode. Similar to
377  * plpar_hcall, but plpar_hcall_raw works in real mode and does not
378  * calculate hypervisor call statistics.
379  */
380 long plpar_hcall_raw(unsigned long opcode, unsigned long *retbuf, ...);
381 
382 /**
383  * plpar_hcall9: - Make a pseries hypervisor call with up to 9 return arguments
384  * @opcode: The hypervisor call to make.
385  * @retbuf: Buffer to store up to 9 return arguments in.
386  *
387  * This call supports up to 9 arguments and 9 return arguments. Use
388  * PLPAR_HCALL9_BUFSIZE to size the return argument buffer.
389  */
390 #define PLPAR_HCALL9_BUFSIZE 9
391 long plpar_hcall9(unsigned long opcode, unsigned long *retbuf, ...);
392 long plpar_hcall9_raw(unsigned long opcode, unsigned long *retbuf, ...);
393 
394 struct hvcall_mpp_data {
395 	unsigned long entitled_mem;
396 	unsigned long mapped_mem;
397 	unsigned short group_num;
398 	unsigned short pool_num;
399 	unsigned char mem_weight;
400 	unsigned char unallocated_mem_weight;
401 	unsigned long unallocated_entitlement;  /* value in bytes */
402 	unsigned long pool_size;
403 	signed long loan_request;
404 	unsigned long backing_mem;
405 };
406 
407 int h_get_mpp(struct hvcall_mpp_data *);
408 
409 struct hvcall_mpp_x_data {
410 	unsigned long coalesced_bytes;
411 	unsigned long pool_coalesced_bytes;
412 	unsigned long pool_purr_cycles;
413 	unsigned long pool_spurr_cycles;
414 	unsigned long reserved[3];
415 };
416 
417 int h_get_mpp_x(struct hvcall_mpp_x_data *mpp_x_data);
418 
419 static inline unsigned int get_longbusy_msecs(int longbusy_rc)
420 {
421 	switch (longbusy_rc) {
422 	case H_LONG_BUSY_ORDER_1_MSEC:
423 		return 1;
424 	case H_LONG_BUSY_ORDER_10_MSEC:
425 		return 10;
426 	case H_LONG_BUSY_ORDER_100_MSEC:
427 		return 100;
428 	case H_LONG_BUSY_ORDER_1_SEC:
429 		return 1000;
430 	case H_LONG_BUSY_ORDER_10_SEC:
431 		return 10000;
432 	case H_LONG_BUSY_ORDER_100_SEC:
433 		return 100000;
434 	default:
435 		return 1;
436 	}
437 }
438 
439 #endif /* __ASSEMBLY__ */
440 #endif /* __KERNEL__ */
441 #endif /* _ASM_POWERPC_HVCALL_H */
442