xref: /openbmc/linux/arch/powerpc/include/asm/hvcall.h (revision 23c2b932)
1 #ifndef _ASM_POWERPC_HVCALL_H
2 #define _ASM_POWERPC_HVCALL_H
3 #ifdef __KERNEL__
4 
5 #define HVSC			.long 0x44000022
6 
7 #define H_SUCCESS	0
8 #define H_BUSY		1	/* Hardware busy -- retry later */
9 #define H_CLOSED	2	/* Resource closed */
10 #define H_NOT_AVAILABLE 3
11 #define H_CONSTRAINED	4	/* Resource request constrained to max allowed */
12 #define H_PARTIAL       5
13 #define H_IN_PROGRESS	14	/* Kind of like busy */
14 #define H_PAGE_REGISTERED 15
15 #define H_PARTIAL_STORE   16
16 #define H_PENDING	17	/* returned from H_POLL_PENDING */
17 #define H_CONTINUE	18	/* Returned from H_Join on success */
18 #define H_LONG_BUSY_START_RANGE		9900  /* Start of long busy range */
19 #define H_LONG_BUSY_ORDER_1_MSEC	9900  /* Long busy, hint that 1msec \
20 						 is a good time to retry */
21 #define H_LONG_BUSY_ORDER_10_MSEC	9901  /* Long busy, hint that 10msec \
22 						 is a good time to retry */
23 #define H_LONG_BUSY_ORDER_100_MSEC 	9902  /* Long busy, hint that 100msec \
24 						 is a good time to retry */
25 #define H_LONG_BUSY_ORDER_1_SEC		9903  /* Long busy, hint that 1sec \
26 						 is a good time to retry */
27 #define H_LONG_BUSY_ORDER_10_SEC	9904  /* Long busy, hint that 10sec \
28 						 is a good time to retry */
29 #define H_LONG_BUSY_ORDER_100_SEC	9905  /* Long busy, hint that 100sec \
30 						 is a good time to retry */
31 #define H_LONG_BUSY_END_RANGE		9905  /* End of long busy range */
32 
33 /* Internal value used in book3s_hv kvm support; not returned to guests */
34 #define H_TOO_HARD	9999
35 
36 #define H_HARDWARE	-1	/* Hardware error */
37 #define H_FUNCTION	-2	/* Function not supported */
38 #define H_PRIVILEGE	-3	/* Caller not privileged */
39 #define H_PARAMETER	-4	/* Parameter invalid, out-of-range or conflicting */
40 #define H_BAD_MODE	-5	/* Illegal msr value */
41 #define H_PTEG_FULL	-6	/* PTEG is full */
42 #define H_NOT_FOUND	-7	/* PTE was not found" */
43 #define H_RESERVED_DABR	-8	/* DABR address is reserved by the hypervisor on this processor" */
44 #define H_NO_MEM	-9
45 #define H_AUTHORITY	-10
46 #define H_PERMISSION	-11
47 #define H_DROPPED	-12
48 #define H_SOURCE_PARM	-13
49 #define H_DEST_PARM	-14
50 #define H_REMOTE_PARM	-15
51 #define H_RESOURCE	-16
52 #define H_ADAPTER_PARM  -17
53 #define H_RH_PARM       -18
54 #define H_RCQ_PARM      -19
55 #define H_SCQ_PARM      -20
56 #define H_EQ_PARM       -21
57 #define H_RT_PARM       -22
58 #define H_ST_PARM       -23
59 #define H_SIGT_PARM     -24
60 #define H_TOKEN_PARM    -25
61 #define H_MLENGTH_PARM  -27
62 #define H_MEM_PARM      -28
63 #define H_MEM_ACCESS_PARM -29
64 #define H_ATTR_PARM     -30
65 #define H_PORT_PARM     -31
66 #define H_MCG_PARM      -32
67 #define H_VL_PARM       -33
68 #define H_TSIZE_PARM    -34
69 #define H_TRACE_PARM    -35
70 
71 #define H_MASK_PARM     -37
72 #define H_MCG_FULL      -38
73 #define H_ALIAS_EXIST   -39
74 #define H_P_COUNTER     -40
75 #define H_TABLE_FULL    -41
76 #define H_ALT_TABLE     -42
77 #define H_MR_CONDITION  -43
78 #define H_NOT_ENOUGH_RESOURCES -44
79 #define H_R_STATE       -45
80 #define H_RESCINDED     -46
81 #define H_P2		-55
82 #define H_P3		-56
83 #define H_P4		-57
84 #define H_P5		-58
85 #define H_P6		-59
86 #define H_P7		-60
87 #define H_P8		-61
88 #define H_P9		-62
89 #define H_TOO_BIG	-64
90 #define H_OVERLAP	-68
91 #define H_INTERRUPT	-69
92 #define H_BAD_DATA	-70
93 #define H_NOT_ACTIVE	-71
94 #define H_SG_LIST	-72
95 #define H_OP_MODE	-73
96 #define H_COP_HW	-74
97 #define H_STATE		-75
98 #define H_UNSUPPORTED_FLAG_START	-256
99 #define H_UNSUPPORTED_FLAG_END		-511
100 #define H_MULTI_THREADS_ACTIVE	-9005
101 #define H_OUTSTANDING_COP_OPS	-9006
102 
103 
104 /* Long Busy is a condition that can be returned by the firmware
105  * when a call cannot be completed now, but the identical call
106  * should be retried later.  This prevents calls blocking in the
107  * firmware for long periods of time.  Annoyingly the firmware can return
108  * a range of return codes, hinting at how long we should wait before
109  * retrying.  If you don't care for the hint, the macro below is a good
110  * way to check for the long_busy return codes
111  */
112 #define H_IS_LONG_BUSY(x)  ((x >= H_LONG_BUSY_START_RANGE) \
113 			     && (x <= H_LONG_BUSY_END_RANGE))
114 
115 /* Flags */
116 #define H_LARGE_PAGE		(1UL<<(63-16))
117 #define H_EXACT			(1UL<<(63-24))	/* Use exact PTE or return H_PTEG_FULL */
118 #define H_R_XLATE		(1UL<<(63-25))	/* include a valid logical page num in the pte if the valid bit is set */
119 #define H_READ_4		(1UL<<(63-26))	/* Return 4 PTEs */
120 #define H_PAGE_STATE_CHANGE	(1UL<<(63-28))
121 #define H_PAGE_UNUSED		((1UL<<(63-29)) | (1UL<<(63-30)))
122 #define H_PAGE_SET_UNUSED	(H_PAGE_STATE_CHANGE | H_PAGE_UNUSED)
123 #define H_PAGE_SET_LOANED	(H_PAGE_SET_UNUSED | (1UL<<(63-31)))
124 #define H_PAGE_SET_ACTIVE	H_PAGE_STATE_CHANGE
125 #define H_AVPN			(1UL<<(63-32))	/* An avpn is provided as a sanity test */
126 #define H_ANDCOND		(1UL<<(63-33))
127 #define H_LOCAL			(1UL<<(63-35))
128 #define H_ICACHE_INVALIDATE	(1UL<<(63-40))	/* icbi, etc.  (ignored for IO pages) */
129 #define H_ICACHE_SYNCHRONIZE	(1UL<<(63-41))	/* dcbst, icbi, etc (ignored for IO pages */
130 #define H_COALESCE_CAND	(1UL<<(63-42))	/* page is a good candidate for coalescing */
131 #define H_ZERO_PAGE		(1UL<<(63-48))	/* zero the page before mapping (ignored for IO pages) */
132 #define H_COPY_PAGE		(1UL<<(63-49))
133 #define H_N			(1UL<<(63-61))
134 #define H_PP1			(1UL<<(63-62))
135 #define H_PP2			(1UL<<(63-63))
136 
137 /* Flags for H_REGISTER_VPA subfunction field */
138 #define H_VPA_FUNC_SHIFT	(63-18)	/* Bit posn of subfunction code */
139 #define H_VPA_FUNC_MASK		7UL
140 #define H_VPA_REG_VPA		1UL	/* Register Virtual Processor Area */
141 #define H_VPA_REG_DTL		2UL	/* Register Dispatch Trace Log */
142 #define H_VPA_REG_SLB		3UL	/* Register SLB shadow buffer */
143 #define H_VPA_DEREG_VPA		5UL	/* Deregister Virtual Processor Area */
144 #define H_VPA_DEREG_DTL		6UL	/* Deregister Dispatch Trace Log */
145 #define H_VPA_DEREG_SLB		7UL	/* Deregister SLB shadow buffer */
146 
147 /* VASI States */
148 #define H_VASI_INVALID          0
149 #define H_VASI_ENABLED          1
150 #define H_VASI_ABORTED          2
151 #define H_VASI_SUSPENDING       3
152 #define H_VASI_SUSPENDED        4
153 #define H_VASI_RESUMED          5
154 #define H_VASI_COMPLETED        6
155 
156 /* Each control block has to be on a 4K boundary */
157 #define H_CB_ALIGNMENT          4096
158 
159 /* pSeries hypervisor opcodes */
160 #define H_REMOVE		0x04
161 #define H_ENTER			0x08
162 #define H_READ			0x0c
163 #define H_CLEAR_MOD		0x10
164 #define H_CLEAR_REF		0x14
165 #define H_PROTECT		0x18
166 #define H_GET_TCE		0x1c
167 #define H_PUT_TCE		0x20
168 #define H_SET_SPRG0		0x24
169 #define H_SET_DABR		0x28
170 #define H_PAGE_INIT		0x2c
171 #define H_SET_ASR		0x30
172 #define H_ASR_ON		0x34
173 #define H_ASR_OFF		0x38
174 #define H_LOGICAL_CI_LOAD	0x3c
175 #define H_LOGICAL_CI_STORE	0x40
176 #define H_LOGICAL_CACHE_LOAD	0x44
177 #define H_LOGICAL_CACHE_STORE	0x48
178 #define H_LOGICAL_ICBI		0x4c
179 #define H_LOGICAL_DCBF		0x50
180 #define H_GET_TERM_CHAR		0x54
181 #define H_PUT_TERM_CHAR		0x58
182 #define H_REAL_TO_LOGICAL	0x5c
183 #define H_HYPERVISOR_DATA	0x60
184 #define H_EOI			0x64
185 #define H_CPPR			0x68
186 #define H_IPI			0x6c
187 #define H_IPOLL			0x70
188 #define H_XIRR			0x74
189 #define H_PERFMON		0x7c
190 #define H_MIGRATE_DMA		0x78
191 #define H_REGISTER_VPA		0xDC
192 #define H_CEDE			0xE0
193 #define H_CONFER		0xE4
194 #define H_PROD			0xE8
195 #define H_GET_PPP		0xEC
196 #define H_SET_PPP		0xF0
197 #define H_PURR			0xF4
198 #define H_PIC			0xF8
199 #define H_REG_CRQ		0xFC
200 #define H_FREE_CRQ		0x100
201 #define H_VIO_SIGNAL		0x104
202 #define H_SEND_CRQ		0x108
203 #define H_COPY_RDMA		0x110
204 #define H_REGISTER_LOGICAL_LAN	0x114
205 #define H_FREE_LOGICAL_LAN	0x118
206 #define H_ADD_LOGICAL_LAN_BUFFER 0x11C
207 #define H_SEND_LOGICAL_LAN	0x120
208 #define H_BULK_REMOVE		0x124
209 #define H_MULTICAST_CTRL	0x130
210 #define H_SET_XDABR		0x134
211 #define H_STUFF_TCE		0x138
212 #define H_PUT_TCE_INDIRECT	0x13C
213 #define H_CHANGE_LOGICAL_LAN_MAC 0x14C
214 #define H_VTERM_PARTNER_INFO	0x150
215 #define H_REGISTER_VTERM	0x154
216 #define H_FREE_VTERM		0x158
217 #define H_RESET_EVENTS          0x15C
218 #define H_ALLOC_RESOURCE        0x160
219 #define H_FREE_RESOURCE         0x164
220 #define H_MODIFY_QP             0x168
221 #define H_QUERY_QP              0x16C
222 #define H_REREGISTER_PMR        0x170
223 #define H_REGISTER_SMR          0x174
224 #define H_QUERY_MR              0x178
225 #define H_QUERY_MW              0x17C
226 #define H_QUERY_HCA             0x180
227 #define H_QUERY_PORT            0x184
228 #define H_MODIFY_PORT           0x188
229 #define H_DEFINE_AQP1           0x18C
230 #define H_GET_TRACE_BUFFER      0x190
231 #define H_DEFINE_AQP0           0x194
232 #define H_RESIZE_MR             0x198
233 #define H_ATTACH_MCQP           0x19C
234 #define H_DETACH_MCQP           0x1A0
235 #define H_CREATE_RPT            0x1A4
236 #define H_REMOVE_RPT            0x1A8
237 #define H_REGISTER_RPAGES       0x1AC
238 #define H_DISABLE_AND_GETC      0x1B0
239 #define H_ERROR_DATA            0x1B4
240 #define H_GET_HCA_INFO          0x1B8
241 #define H_GET_PERF_COUNT        0x1BC
242 #define H_MANAGE_TRACE          0x1C0
243 #define H_FREE_LOGICAL_LAN_BUFFER 0x1D4
244 #define H_QUERY_INT_STATE       0x1E4
245 #define H_POLL_PENDING		0x1D8
246 #define H_ILLAN_ATTRIBUTES	0x244
247 #define H_MODIFY_HEA_QP		0x250
248 #define H_QUERY_HEA_QP		0x254
249 #define H_QUERY_HEA		0x258
250 #define H_QUERY_HEA_PORT	0x25C
251 #define H_MODIFY_HEA_PORT	0x260
252 #define H_REG_BCMC		0x264
253 #define H_DEREG_BCMC		0x268
254 #define H_REGISTER_HEA_RPAGES	0x26C
255 #define H_DISABLE_AND_GET_HEA	0x270
256 #define H_GET_HEA_INFO		0x274
257 #define H_ALLOC_HEA_RESOURCE	0x278
258 #define H_ADD_CONN		0x284
259 #define H_DEL_CONN		0x288
260 #define H_JOIN			0x298
261 #define H_VASI_STATE            0x2A4
262 #define H_VIOCTL		0x2A8
263 #define H_ENABLE_CRQ		0x2B0
264 #define H_GET_EM_PARMS		0x2B8
265 #define H_SET_MPP		0x2D0
266 #define H_GET_MPP		0x2D4
267 #define H_REG_SUB_CRQ		0x2DC
268 #define H_HOME_NODE_ASSOCIATIVITY 0x2EC
269 #define H_FREE_SUB_CRQ		0x2E0
270 #define H_SEND_SUB_CRQ		0x2E4
271 #define H_SEND_SUB_CRQ_INDIRECT	0x2E8
272 #define H_BEST_ENERGY		0x2F4
273 #define H_XIRR_X		0x2FC
274 #define H_RANDOM		0x300
275 #define H_COP			0x304
276 #define H_GET_MPP_X		0x314
277 #define H_SET_MODE		0x31C
278 #define MAX_HCALL_OPCODE	H_SET_MODE
279 
280 /* H_VIOCTL functions */
281 #define H_GET_VIOA_DUMP_SIZE	0x01
282 #define H_GET_VIOA_DUMP		0x02
283 #define H_GET_ILLAN_NUM_VLAN_IDS 0x03
284 #define H_GET_ILLAN_VLAN_ID_LIST 0x04
285 #define H_GET_ILLAN_SWITCH_ID	0x05
286 #define H_DISABLE_MIGRATION	0x06
287 #define H_ENABLE_MIGRATION	0x07
288 #define H_GET_PARTNER_INFO	0x08
289 #define H_GET_PARTNER_WWPN_LIST	0x09
290 #define H_DISABLE_ALL_VIO_INTS	0x0A
291 #define H_DISABLE_VIO_INTERRUPT	0x0B
292 #define H_ENABLE_VIO_INTERRUPT	0x0C
293 
294 
295 /* Platform specific hcalls, used by KVM */
296 #define H_RTAS			0xf000
297 
298 /* "Platform specific hcalls", provided by PHYP */
299 #define H_GET_24X7_CATALOG_PAGE	0xF078
300 #define H_GET_24X7_DATA		0xF07C
301 #define H_GET_PERF_COUNTER_INFO	0xF080
302 
303 /* Values for 2nd argument to H_SET_MODE */
304 #define H_SET_MODE_RESOURCE_SET_CIABR		1
305 #define H_SET_MODE_RESOURCE_SET_DAWR		2
306 #define H_SET_MODE_RESOURCE_ADDR_TRANS_MODE	3
307 #define H_SET_MODE_RESOURCE_LE			4
308 
309 #ifndef __ASSEMBLY__
310 
311 /**
312  * plpar_hcall_norets: - Make a pseries hypervisor call with no return arguments
313  * @opcode: The hypervisor call to make.
314  *
315  * This call supports up to 7 arguments and only returns the status of
316  * the hcall. Use this version where possible, its slightly faster than
317  * the other plpar_hcalls.
318  */
319 long plpar_hcall_norets(unsigned long opcode, ...);
320 
321 /**
322  * plpar_hcall: - Make a pseries hypervisor call
323  * @opcode: The hypervisor call to make.
324  * @retbuf: Buffer to store up to 4 return arguments in.
325  *
326  * This call supports up to 6 arguments and 4 return arguments. Use
327  * PLPAR_HCALL_BUFSIZE to size the return argument buffer.
328  *
329  * Used for all but the craziest of phyp interfaces (see plpar_hcall9)
330  */
331 #define PLPAR_HCALL_BUFSIZE 4
332 long plpar_hcall(unsigned long opcode, unsigned long *retbuf, ...);
333 
334 /**
335  * plpar_hcall_raw: - Make a hypervisor call without calculating hcall stats
336  * @opcode: The hypervisor call to make.
337  * @retbuf: Buffer to store up to 4 return arguments in.
338  *
339  * This call supports up to 6 arguments and 4 return arguments. Use
340  * PLPAR_HCALL_BUFSIZE to size the return argument buffer.
341  *
342  * Used when phyp interface needs to be called in real mode. Similar to
343  * plpar_hcall, but plpar_hcall_raw works in real mode and does not
344  * calculate hypervisor call statistics.
345  */
346 long plpar_hcall_raw(unsigned long opcode, unsigned long *retbuf, ...);
347 
348 /**
349  * plpar_hcall9: - Make a pseries hypervisor call with up to 9 return arguments
350  * @opcode: The hypervisor call to make.
351  * @retbuf: Buffer to store up to 9 return arguments in.
352  *
353  * This call supports up to 9 arguments and 9 return arguments. Use
354  * PLPAR_HCALL9_BUFSIZE to size the return argument buffer.
355  */
356 #define PLPAR_HCALL9_BUFSIZE 9
357 long plpar_hcall9(unsigned long opcode, unsigned long *retbuf, ...);
358 long plpar_hcall9_raw(unsigned long opcode, unsigned long *retbuf, ...);
359 
360 /* For hcall instrumentation.  One structure per-hcall, per-CPU */
361 struct hcall_stats {
362 	unsigned long	num_calls;	/* number of calls (on this CPU) */
363 	unsigned long	tb_total;	/* total wall time (mftb) of calls. */
364 	unsigned long	purr_total;	/* total cpu time (PURR) of calls. */
365 	unsigned long	tb_start;
366 	unsigned long	purr_start;
367 };
368 #define HCALL_STAT_ARRAY_SIZE	((MAX_HCALL_OPCODE >> 2) + 1)
369 
370 struct hvcall_mpp_data {
371 	unsigned long entitled_mem;
372 	unsigned long mapped_mem;
373 	unsigned short group_num;
374 	unsigned short pool_num;
375 	unsigned char mem_weight;
376 	unsigned char unallocated_mem_weight;
377 	unsigned long unallocated_entitlement;  /* value in bytes */
378 	unsigned long pool_size;
379 	signed long loan_request;
380 	unsigned long backing_mem;
381 };
382 
383 int h_get_mpp(struct hvcall_mpp_data *);
384 
385 struct hvcall_mpp_x_data {
386 	unsigned long coalesced_bytes;
387 	unsigned long pool_coalesced_bytes;
388 	unsigned long pool_purr_cycles;
389 	unsigned long pool_spurr_cycles;
390 	unsigned long reserved[3];
391 };
392 
393 int h_get_mpp_x(struct hvcall_mpp_x_data *mpp_x_data);
394 
395 static inline unsigned int get_longbusy_msecs(int longbusy_rc)
396 {
397 	switch (longbusy_rc) {
398 	case H_LONG_BUSY_ORDER_1_MSEC:
399 		return 1;
400 	case H_LONG_BUSY_ORDER_10_MSEC:
401 		return 10;
402 	case H_LONG_BUSY_ORDER_100_MSEC:
403 		return 100;
404 	case H_LONG_BUSY_ORDER_1_SEC:
405 		return 1000;
406 	case H_LONG_BUSY_ORDER_10_SEC:
407 		return 10000;
408 	case H_LONG_BUSY_ORDER_100_SEC:
409 		return 100000;
410 	default:
411 		return 1;
412 	}
413 }
414 
415 #ifdef CONFIG_PPC_PSERIES
416 extern int CMO_PrPSP;
417 extern int CMO_SecPSP;
418 extern unsigned long CMO_PageSize;
419 
420 static inline int cmo_get_primary_psp(void)
421 {
422 	return CMO_PrPSP;
423 }
424 
425 static inline int cmo_get_secondary_psp(void)
426 {
427 	return CMO_SecPSP;
428 }
429 
430 static inline unsigned long cmo_get_page_size(void)
431 {
432 	return CMO_PageSize;
433 }
434 
435 extern long pSeries_enable_reloc_on_exc(void);
436 extern long pSeries_disable_reloc_on_exc(void);
437 
438 extern long pseries_big_endian_exceptions(void);
439 
440 #else
441 
442 #define pSeries_enable_reloc_on_exc()  do {} while (0)
443 #define pSeries_disable_reloc_on_exc() do {} while (0)
444 
445 #endif /* CONFIG_PPC_PSERIES */
446 
447 #endif /* __ASSEMBLY__ */
448 #endif /* __KERNEL__ */
449 #endif /* _ASM_POWERPC_HVCALL_H */
450