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