summaryrefslogtreecommitdiffstats
path: root/arch/powerpc/include/asm/hvcall.h
blob: 423cf9eaf4a4fddf35811e62de33dc16363812e5 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
#ifndef _ASM_POWERPC_HVCALL_H
#define _ASM_POWERPC_HVCALL_H
#ifdef __KERNEL__

#define HVSC			.long 0x44000022

#define H_SUCCESS	0
#define H_BUSY		1	/* Hardware busy -- retry later */
#define H_CLOSED	2	/* Resource closed */
#define H_NOT_AVAILABLE 3
#define H_CONSTRAINED	4	/* Resource request constrained to max allowed */
#define H_PARTIAL       5
#define H_IN_PROGRESS	14	/* Kind of like busy */
#define H_PAGE_REGISTERED 15
#define H_PARTIAL_STORE   16
#define H_PENDING	17	/* returned from H_POLL_PENDING */
#define H_CONTINUE	18	/* Returned from H_Join on success */
#define H_LONG_BUSY_START_RANGE		9900  /* Start of long busy range */
#define H_LONG_BUSY_ORDER_1_MSEC	9900  /* Long busy, hint that 1msec \
						 is a good time to retry */
#define H_LONG_BUSY_ORDER_10_MSEC	9901  /* Long busy, hint that 10msec \
						 is a good time to retry */
#define H_LONG_BUSY_ORDER_100_MSEC 	9902  /* Long busy, hint that 100msec \
						 is a good time to retry */
#define H_LONG_BUSY_ORDER_1_SEC		9903  /* Long busy, hint that 1sec \
						 is a good time to retry */
#define H_LONG_BUSY_ORDER_10_SEC	9904  /* Long busy, hint that 10sec \
						 is a good time to retry */
#define H_LONG_BUSY_ORDER_100_SEC	9905  /* Long busy, hint that 100sec \
						 is a good time to retry */
#define H_LONG_BUSY_END_RANGE		9905  /* End of long busy range */

/* Internal value used in book3s_hv kvm support; not returned to guests */
#define H_TOO_HARD	9999

#define H_HARDWARE	-1	/* Hardware error */
#define H_FUNCTION	-2	/* Function not supported */
#define H_PRIVILEGE	-3	/* Caller not privileged */
#define H_PARAMETER	-4	/* Parameter invalid, out-of-range or conflicting */
#define H_BAD_MODE	-5	/* Illegal msr value */
#define H_PTEG_FULL	-6	/* PTEG is full */
#define H_NOT_FOUND	-7	/* PTE was not found" */
#define H_RESERVED_DABR	-8	/* DABR address is reserved by the hypervisor on this processor" */
#define H_NO_MEM	-9
#define H_AUTHORITY	-10
#define H_PERMISSION	-11
#define H_DROPPED	-12
#define H_SOURCE_PARM	-13
#define H_DEST_PARM	-14
#define H_REMOTE_PARM	-15
#define H_RESOURCE	-16
#define H_ADAPTER_PARM  -17
#define H_RH_PARM       -18
#define H_RCQ_PARM      -19
#define H_SCQ_PARM      -20
#define H_EQ_PARM       -21
#define H_RT_PARM       -22
#define H_ST_PARM       -23
#define H_SIGT_PARM     -24
#define H_TOKEN_PARM    -25
#define H_MLENGTH_PARM  -27
#define H_MEM_PARM      -28
#define H_MEM_ACCESS_PARM -29
#define H_ATTR_PARM     -30
#define H_PORT_PARM     -31
#define H_MCG_PARM      -32
#define H_VL_PARM       -33
#define H_TSIZE_PARM    -34
#define H_TRACE_PARM    -35

#define H_MASK_PARM     -37
#define H_MCG_FULL      -38
#define H_ALIAS_EXIST   -39
#define H_P_COUNTER     -40
#define H_TABLE_FULL    -41
#define H_ALT_TABLE     -42
#define H_MR_CONDITION  -43
#define H_NOT_ENOUGH_RESOURCES -44
#define H_R_STATE       -45
#define H_RESCINDED     -46
#define H_P2		-55
#define H_P3		-56
#define H_P4		-57
#define H_P5		-58
#define H_P6		-59
#define H_P7		-60
#define H_P8		-61
#define H_P9		-62
#define H_TOO_BIG	-64
#define H_OVERLAP	-68
#define H_INTERRUPT	-69
#define H_BAD_DATA	-70
#define H_NOT_ACTIVE	-71
#define H_SG_LIST	-72
#define H_OP_MODE	-73
#define H_COP_HW	-74
#define H_UNSUPPORTED_FLAG_START	-256
#define H_UNSUPPORTED_FLAG_END		-511
#define H_MULTI_THREADS_ACTIVE	-9005
#define H_OUTSTANDING_COP_OPS	-9006


/* Long Busy is a condition that can be returned by the firmware
 * when a call cannot be completed now, but the identical call
 * should be retried later.  This prevents calls blocking in the
 * firmware for long periods of time.  Annoyingly the firmware can return
 * a range of return codes, hinting at how long we should wait before
 * retrying.  If you don't care for the hint, the macro below is a good
 * way to check for the long_busy return codes
 */
#define H_IS_LONG_BUSY(x)  ((x >= H_LONG_BUSY_START_RANGE) \
			     && (x <= H_LONG_BUSY_END_RANGE))

/* Flags */
#define H_LARGE_PAGE		(1UL<<(63-16))
#define H_EXACT			(1UL<<(63-24))	/* Use exact PTE or return H_PTEG_FULL */
#define H_R_XLATE		(1UL<<(63-25))	/* include a valid logical page num in the pte if the valid bit is set */
#define H_READ_4		(1UL<<(63-26))	/* Return 4 PTEs */
#define H_PAGE_STATE_CHANGE	(1UL<<(63-28))
#define H_PAGE_UNUSED		((1UL<<(63-29)) | (1UL<<(63-30)))
#define H_PAGE_SET_UNUSED	(H_PAGE_STATE_CHANGE | H_PAGE_UNUSED)
#define H_PAGE_SET_LOANED	(H_PAGE_SET_UNUSED | (1UL<<(63-31)))
#define H_PAGE_SET_ACTIVE	H_PAGE_STATE_CHANGE
#define H_AVPN			(1UL<<(63-32))	/* An avpn is provided as a sanity test */
#define H_ANDCOND		(1UL<<(63-33))
#define H_LOCAL			(1UL<<(63-35))
#define H_ICACHE_INVALIDATE	(1UL<<(63-40))	/* icbi, etc.  (ignored for IO pages) */
#define H_ICACHE_SYNCHRONIZE	(1UL<<(63-41))	/* dcbst, icbi, etc (ignored for IO pages */
#define H_COALESCE_CAND	(1UL<<(63-42))	/* page is a good candidate for coalescing */
#define H_ZERO_PAGE		(1UL<<(63-48))	/* zero the page before mapping (ignored for IO pages) */
#define H_COPY_PAGE		(1UL<<(63-49))
#define H_N			(1UL<<(63-61))
#define H_PP1			(1UL<<(63-62))
#define H_PP2			(1UL<<(63-63))

/* Flags for H_REGISTER_VPA subfunction field */
#define H_VPA_FUNC_SHIFT	(63-18)	/* Bit posn of subfunction code */
#define H_VPA_FUNC_MASK		7UL
#define H_VPA_REG_VPA		1UL	/* Register Virtual Processor Area */
#define H_VPA_REG_DTL		2UL	/* Register Dispatch Trace Log */
#define H_VPA_REG_SLB		3UL	/* Register SLB shadow buffer */
#define H_VPA_DEREG_VPA		5UL	/* Deregister Virtual Processor Area */
#define H_VPA_DEREG_DTL		6UL	/* Deregister Dispatch Trace Log */
#define H_VPA_DEREG_SLB		7UL	/* Deregister SLB shadow buffer */

/* VASI States */
#define H_VASI_INVALID          0
#define H_VASI_ENABLED          1
#define H_VASI_ABORTED          2
#define H_VASI_SUSPENDING       3
#define H_VASI_SUSPENDED        4
#define H_VASI_RESUMED          5
#define H_VASI_COMPLETED        6

/* DABRX flags */
#define H_DABRX_HYPERVISOR	(1UL<<(63-61))
#define H_DABRX_KERNEL		(1UL<<(63-62))
#define H_DABRX_USER		(1UL<<(63-63))

/* Each control block has to be on a 4K boundary */
#define H_CB_ALIGNMENT          4096

/* pSeries hypervisor opcodes */
#define H_REMOVE		0x04
#define H_ENTER			0x08
#define H_READ			0x0c
#define H_CLEAR_MOD		0x10
#define H_CLEAR_REF		0x14
#define H_PROTECT		0x18
#define H_GET_TCE		0x1c
#define H_PUT_TCE		0x20
#define H_SET_SPRG0		0x24
#define H_SET_DABR		0x28
#define H_PAGE_INIT		0x2c
#define H_SET_ASR		0x30
#define H_ASR_ON		0x34
#define H_ASR_OFF		0x38
#define H_LOGICAL_CI_LOAD	0x3c
#define H_LOGICAL_CI_STORE	0x40
#define H_LOGICAL_CACHE_LOAD	0x44
#define H_LOGICAL_CACHE_STORE	0x48
#define H_LOGICAL_ICBI		0x4c
#define H_LOGICAL_DCBF		0x50
#define H_GET_TERM_CHAR		0x54
#define H_PUT_TERM_CHAR		0x58
#define H_REAL_TO_LOGICAL	0x5c
#define H_HYPERVISOR_DATA	0x60
#define H_EOI			0x64
#define H_CPPR			0x68
#define H_IPI			0x6c
#define H_IPOLL			0x70
#define H_XIRR			0x74
#define H_PERFMON		0x7c
#define H_MIGRATE_DMA		0x78
#define H_REGISTER_VPA		0xDC
#define H_CEDE			0xE0
#define H_CONFER		0xE4
#define H_PROD			0xE8
#define H_GET_PPP		0xEC
#define H_SET_PPP		0xF0
#define H_PURR			0xF4
#define H_PIC			0xF8
#define H_REG_CRQ		0xFC
#define H_FREE_CRQ		0x100
#define H_VIO_SIGNAL		0x104
#define H_SEND_CRQ		0x108
#define H_COPY_RDMA		0x110
#define H_REGISTER_LOGICAL_LAN	0x114
#define H_FREE_LOGICAL_LAN	0x118
#define H_ADD_LOGICAL_LAN_BUFFER 0x11C
#define H_SEND_LOGICAL_LAN	0x120
#define H_BULK_REMOVE		0x124
#define H_MULTICAST_CTRL	0x130
#define H_SET_XDABR		0x134
#define H_STUFF_TCE		0x138
#define H_PUT_TCE_INDIRECT	0x13C
#define H_CHANGE_LOGICAL_LAN_MAC 0x14C
#define H_VTERM_PARTNER_INFO	0x150
#define H_REGISTER_VTERM	0x154
#define H_FREE_VTERM		0x158
#define H_RESET_EVENTS          0x15C
#define H_ALLOC_RESOURCE        0x160
#define H_FREE_RESOURCE         0x164
#define H_MODIFY_QP             0x168
#define H_QUERY_QP              0x16C
#define H_REREGISTER_PMR        0x170
#define H_REGISTER_SMR          0x174
#define H_QUERY_MR              0x178
#define H_QUERY_MW              0x17C
#define H_QUERY_HCA             0x180
#define H_QUERY_PORT            0x184
#define H_MODIFY_PORT           0x188
#define H_DEFINE_AQP1           0x18C
#define H_GET_TRACE_BUFFER      0x190
#define H_DEFINE_AQP0           0x194
#define H_RESIZE_MR             0x198
#define H_ATTACH_MCQP           0x19C
#define H_DETACH_MCQP           0x1A0
#define H_CREATE_RPT            0x1A4
#define H_REMOVE_RPT            0x1A8
#define H_REGISTER_RPAGES       0x1AC
#define H_DISABLE_AND_GETC      0x1B0
#define H_ERROR_DATA            0x1B4
#define H_GET_HCA_INFO          0x1B8
#define H_GET_PERF_COUNT        0x1BC
#define H_MANAGE_TRACE          0x1C0
#define H_FREE_LOGICAL_LAN_BUFFER 0x1D4
#define H_QUERY_INT_STATE       0x1E4
#define H_POLL_PENDING		0x1D8
#define H_ILLAN_ATTRIBUTES	0x244
#define H_MODIFY_HEA_QP		0x250
#define H_QUERY_HEA_QP		0x254
#define H_QUERY_HEA		0x258
#define H_QUERY_HEA_PORT	0x25C
#define H_MODIFY_HEA_PORT	0x260
#define H_REG_BCMC		0x264
#define H_DEREG_BCMC		0x268
#define H_REGISTER_HEA_RPAGES	0x26C
#define H_DISABLE_AND_GET_HEA	0x270
#define H_GET_HEA_INFO		0x274
#define H_ALLOC_HEA_RESOURCE	0x278
#define H_ADD_CONN		0x284
#define H_DEL_CONN		0x288
#define H_JOIN			0x298
#define H_VASI_STATE            0x2A4
#define H_ENABLE_CRQ		0x2B0
#define H_GET_EM_PARMS		0x2B8
#define H_SET_MPP		0x2D0
#define H_GET_MPP		0x2D4
#define H_HOME_NODE_ASSOCIATIVITY 0x2EC
#define H_BEST_ENERGY		0x2F4
#define H_RANDOM		0x300
#define H_COP			0x304
#define H_GET_MPP_X		0x314
#define MAX_HCALL_OPCODE	H_GET_MPP_X

#ifndef __ASSEMBLY__

/**
 * plpar_hcall_norets: - Make a pseries hypervisor call with no return arguments
 * @opcode: The hypervisor call to make.
 *
 * This call supports up to 7 arguments and only returns the status of
 * the hcall. Use this version where possible, its slightly faster than
 * the other plpar_hcalls.
 */
long plpar_hcall_norets(unsigned long opcode, ...);

/**
 * plpar_hcall: - Make a pseries hypervisor call
 * @opcode: The hypervisor call to make.
 * @retbuf: Buffer to store up to 4 return arguments in.
 *
 * This call supports up to 6 arguments and 4 return arguments. Use
 * PLPAR_HCALL_BUFSIZE to size the return argument buffer.
 *
 * Used for all but the craziest of phyp interfaces (see plpar_hcall9)
 */
#define PLPAR_HCALL_BUFSIZE 4
long plpar_hcall(unsigned long opcode, unsigned long *retbuf, ...);

/**
 * plpar_hcall_raw: - Make a hypervisor call without calculating hcall stats
 * @opcode: The hypervisor call to make.
 * @retbuf: Buffer to store up to 4 return arguments in.
 *
 * This call supports up to 6 arguments and 4 return arguments. Use
 * PLPAR_HCALL_BUFSIZE to size the return argument buffer.
 *
 * Used when phyp interface needs to be called in real mode. Similar to
 * plpar_hcall, but plpar_hcall_raw works in real mode and does not
 * calculate hypervisor call statistics.
 */
long plpar_hcall_raw(unsigned long opcode, unsigned long *retbuf, ...);

/**
 * plpar_hcall9: - Make a pseries hypervisor call with up to 9 return arguments
 * @opcode: The hypervisor call to make.
 * @retbuf: Buffer to store up to 9 return arguments in.
 *
 * This call supports up to 9 arguments and 9 return arguments. Use
 * PLPAR_HCALL9_BUFSIZE to size the return argument buffer.
 */
#define PLPAR_HCALL9_BUFSIZE 9
long plpar_hcall9(unsigned long opcode, unsigned long *retbuf, ...);
long plpar_hcall9_raw(unsigned long opcode, unsigned long *retbuf, ...);

/* For hcall instrumentation.  One structure per-hcall, per-CPU */
struct hcall_stats {
	unsigned long	num_calls;	/* number of calls (on this CPU) */
	unsigned long	tb_total;	/* total wall time (mftb) of calls. */
	unsigned long	purr_total;	/* total cpu time (PURR) of calls. */
	unsigned long	tb_start;
	unsigned long	purr_start;
};
#define HCALL_STAT_ARRAY_SIZE	((MAX_HCALL_OPCODE >> 2) + 1)

struct hvcall_mpp_data {
	unsigned long entitled_mem;
	unsigned long mapped_mem;
	unsigned short group_num;
	unsigned short pool_num;
	unsigned char mem_weight;
	unsigned char unallocated_mem_weight;
	unsigned long unallocated_entitlement;  /* value in bytes */
	unsigned long pool_size;
	signed long loan_request;
	unsigned long backing_mem;
};

int h_get_mpp(struct hvcall_mpp_data *);

struct hvcall_mpp_x_data {
	unsigned long coalesced_bytes;
	unsigned long pool_coalesced_bytes;
	unsigned long pool_purr_cycles;
	unsigned long pool_spurr_cycles;
	unsigned long reserved[3];
};

int h_get_mpp_x(struct hvcall_mpp_x_data *mpp_x_data);

#ifdef CONFIG_PPC_PSERIES
extern int CMO_PrPSP;
extern int CMO_SecPSP;
extern unsigned long CMO_PageSize;

static inline int cmo_get_primary_psp(void)
{
	return CMO_PrPSP;
}

static inline int cmo_get_secondary_psp(void)
{
	return CMO_SecPSP;
}

static inline unsigned long cmo_get_page_size(void)
{
	return CMO_PageSize;
}
#endif /* CONFIG_PPC_PSERIES */

#endif /* __ASSEMBLY__ */
#endif /* __KERNEL__ */
#endif /* _ASM_POWERPC_HVCALL_H */
OpenPOWER on IntegriCloud