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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#define H_HARDWARE	-1	/* Hardware error */
33#define H_FUNCTION	-2	/* Function not supported */
34#define H_PRIVILEGE	-3	/* Caller not privileged */
35#define H_PARAMETER	-4	/* Parameter invalid, out-of-range or conflicting */
36#define H_BAD_MODE	-5	/* Illegal msr value */
37#define H_PTEG_FULL	-6	/* PTEG is full */
38#define H_NOT_FOUND	-7	/* PTE was not found" */
39#define H_RESERVED_DABR	-8	/* DABR address is reserved by the hypervisor on this processor" */
40#define H_NO_MEM	-9
41#define H_AUTHORITY	-10
42#define H_PERMISSION	-11
43#define H_DROPPED	-12
44#define H_SOURCE_PARM	-13
45#define H_DEST_PARM	-14
46#define H_REMOTE_PARM	-15
47#define H_RESOURCE	-16
48#define H_ADAPTER_PARM  -17
49#define H_RH_PARM       -18
50#define H_RCQ_PARM      -19
51#define H_SCQ_PARM      -20
52#define H_EQ_PARM       -21
53#define H_RT_PARM       -22
54#define H_ST_PARM       -23
55#define H_SIGT_PARM     -24
56#define H_TOKEN_PARM    -25
57#define H_MLENGTH_PARM  -27
58#define H_MEM_PARM      -28
59#define H_MEM_ACCESS_PARM -29
60#define H_ATTR_PARM     -30
61#define H_PORT_PARM     -31
62#define H_MCG_PARM      -32
63#define H_VL_PARM       -33
64#define H_TSIZE_PARM    -34
65#define H_TRACE_PARM    -35
66
67#define H_MASK_PARM     -37
68#define H_MCG_FULL      -38
69#define H_ALIAS_EXIST   -39
70#define H_P_COUNTER     -40
71#define H_TABLE_FULL    -41
72#define H_ALT_TABLE     -42
73#define H_MR_CONDITION  -43
74#define H_NOT_ENOUGH_RESOURCES -44
75#define H_R_STATE       -45
76#define H_RESCINDEND    -46
77#define H_MULTI_THREADS_ACTIVE -9005
78
79
80/* Long Busy is a condition that can be returned by the firmware
81 * when a call cannot be completed now, but the identical call
82 * should be retried later.  This prevents calls blocking in the
83 * firmware for long periods of time.  Annoyingly the firmware can return
84 * a range of return codes, hinting at how long we should wait before
85 * retrying.  If you don't care for the hint, the macro below is a good
86 * way to check for the long_busy return codes
87 */
88#define H_IS_LONG_BUSY(x)  ((x >= H_LONG_BUSY_START_RANGE) \
89			     && (x <= H_LONG_BUSY_END_RANGE))
90
91/* Flags */
92#define H_LARGE_PAGE		(1UL<<(63-16))
93#define H_EXACT			(1UL<<(63-24))	/* Use exact PTE or return H_PTEG_FULL */
94#define H_R_XLATE		(1UL<<(63-25))	/* include a valid logical page num in the pte if the valid bit is set */
95#define H_READ_4		(1UL<<(63-26))	/* Return 4 PTEs */
96#define H_PAGE_STATE_CHANGE	(1UL<<(63-28))
97#define H_PAGE_UNUSED		((1UL<<(63-29)) | (1UL<<(63-30)))
98#define H_PAGE_SET_UNUSED	(H_PAGE_STATE_CHANGE | H_PAGE_UNUSED)
99#define H_PAGE_SET_LOANED	(H_PAGE_SET_UNUSED | (1UL<<(63-31)))
100#define H_PAGE_SET_ACTIVE	H_PAGE_STATE_CHANGE
101#define H_AVPN			(1UL<<(63-32))	/* An avpn is provided as a sanity test */
102#define H_ANDCOND		(1UL<<(63-33))
103#define H_ICACHE_INVALIDATE	(1UL<<(63-40))	/* icbi, etc.  (ignored for IO pages) */
104#define H_ICACHE_SYNCHRONIZE	(1UL<<(63-41))	/* dcbst, icbi, etc (ignored for IO pages */
105#define H_ZERO_PAGE		(1UL<<(63-48))	/* zero the page before mapping (ignored for IO pages) */
106#define H_COPY_PAGE		(1UL<<(63-49))
107#define H_N			(1UL<<(63-61))
108#define H_PP1			(1UL<<(63-62))
109#define H_PP2			(1UL<<(63-63))
110
111/* VASI States */
112#define H_VASI_INVALID          0
113#define H_VASI_ENABLED          1
114#define H_VASI_ABORTED          2
115#define H_VASI_SUSPENDING       3
116#define H_VASI_SUSPENDED        4
117#define H_VASI_RESUMED          5
118#define H_VASI_COMPLETED        6
119
120/* DABRX flags */
121#define H_DABRX_HYPERVISOR	(1UL<<(63-61))
122#define H_DABRX_KERNEL		(1UL<<(63-62))
123#define H_DABRX_USER		(1UL<<(63-63))
124
125/* Each control block has to be on a 4K bondary */
126#define H_CB_ALIGNMENT          4096
127
128/* pSeries hypervisor opcodes */
129#define H_REMOVE		0x04
130#define H_ENTER			0x08
131#define H_READ			0x0c
132#define H_CLEAR_MOD		0x10
133#define H_CLEAR_REF		0x14
134#define H_PROTECT		0x18
135#define H_GET_TCE		0x1c
136#define H_PUT_TCE		0x20
137#define H_SET_SPRG0		0x24
138#define H_SET_DABR		0x28
139#define H_PAGE_INIT		0x2c
140#define H_SET_ASR		0x30
141#define H_ASR_ON		0x34
142#define H_ASR_OFF		0x38
143#define H_LOGICAL_CI_LOAD	0x3c
144#define H_LOGICAL_CI_STORE	0x40
145#define H_LOGICAL_CACHE_LOAD	0x44
146#define H_LOGICAL_CACHE_STORE	0x48
147#define H_LOGICAL_ICBI		0x4c
148#define H_LOGICAL_DCBF		0x50
149#define H_GET_TERM_CHAR		0x54
150#define H_PUT_TERM_CHAR		0x58
151#define H_REAL_TO_LOGICAL	0x5c
152#define H_HYPERVISOR_DATA	0x60
153#define H_EOI			0x64
154#define H_CPPR			0x68
155#define H_IPI			0x6c
156#define H_IPOLL			0x70
157#define H_XIRR			0x74
158#define H_PERFMON		0x7c
159#define H_MIGRATE_DMA		0x78
160#define H_REGISTER_VPA		0xDC
161#define H_CEDE			0xE0
162#define H_CONFER		0xE4
163#define H_PROD			0xE8
164#define H_GET_PPP		0xEC
165#define H_SET_PPP		0xF0
166#define H_PURR			0xF4
167#define H_PIC			0xF8
168#define H_REG_CRQ		0xFC
169#define H_FREE_CRQ		0x100
170#define H_VIO_SIGNAL		0x104
171#define H_SEND_CRQ		0x108
172#define H_COPY_RDMA		0x110
173#define H_REGISTER_LOGICAL_LAN	0x114
174#define H_FREE_LOGICAL_LAN	0x118
175#define H_ADD_LOGICAL_LAN_BUFFER 0x11C
176#define H_SEND_LOGICAL_LAN	0x120
177#define H_BULK_REMOVE		0x124
178#define H_MULTICAST_CTRL	0x130
179#define H_SET_XDABR		0x134
180#define H_STUFF_TCE		0x138
181#define H_PUT_TCE_INDIRECT	0x13C
182#define H_CHANGE_LOGICAL_LAN_MAC 0x14C
183#define H_VTERM_PARTNER_INFO	0x150
184#define H_REGISTER_VTERM	0x154
185#define H_FREE_VTERM		0x158
186#define H_RESET_EVENTS          0x15C
187#define H_ALLOC_RESOURCE        0x160
188#define H_FREE_RESOURCE         0x164
189#define H_MODIFY_QP             0x168
190#define H_QUERY_QP              0x16C
191#define H_REREGISTER_PMR        0x170
192#define H_REGISTER_SMR          0x174
193#define H_QUERY_MR              0x178
194#define H_QUERY_MW              0x17C
195#define H_QUERY_HCA             0x180
196#define H_QUERY_PORT            0x184
197#define H_MODIFY_PORT           0x188
198#define H_DEFINE_AQP1           0x18C
199#define H_GET_TRACE_BUFFER      0x190
200#define H_DEFINE_AQP0           0x194
201#define H_RESIZE_MR             0x198
202#define H_ATTACH_MCQP           0x19C
203#define H_DETACH_MCQP           0x1A0
204#define H_CREATE_RPT            0x1A4
205#define H_REMOVE_RPT            0x1A8
206#define H_REGISTER_RPAGES       0x1AC
207#define H_DISABLE_AND_GETC      0x1B0
208#define H_ERROR_DATA            0x1B4
209#define H_GET_HCA_INFO          0x1B8
210#define H_GET_PERF_COUNT        0x1BC
211#define H_MANAGE_TRACE          0x1C0
212#define H_FREE_LOGICAL_LAN_BUFFER 0x1D4
213#define H_QUERY_INT_STATE       0x1E4
214#define H_POLL_PENDING		0x1D8
215#define H_ILLAN_ATTRIBUTES	0x244
216#define H_MODIFY_HEA_QP		0x250
217#define H_QUERY_HEA_QP		0x254
218#define H_QUERY_HEA		0x258
219#define H_QUERY_HEA_PORT	0x25C
220#define H_MODIFY_HEA_PORT	0x260
221#define H_REG_BCMC		0x264
222#define H_DEREG_BCMC		0x268
223#define H_REGISTER_HEA_RPAGES	0x26C
224#define H_DISABLE_AND_GET_HEA	0x270
225#define H_GET_HEA_INFO		0x274
226#define H_ALLOC_HEA_RESOURCE	0x278
227#define H_ADD_CONN		0x284
228#define H_DEL_CONN		0x288
229#define H_JOIN			0x298
230#define H_VASI_STATE            0x2A4
231#define H_ENABLE_CRQ		0x2B0
232#define H_GET_EM_PARMS		0x2B8
233#define H_SET_MPP		0x2D0
234#define H_GET_MPP		0x2D4
235#define MAX_HCALL_OPCODE	H_GET_MPP
236
237#ifndef __ASSEMBLY__
238
239/**
240 * plpar_hcall_norets: - Make a pseries hypervisor call with no return arguments
241 * @opcode: The hypervisor call to make.
242 *
243 * This call supports up to 7 arguments and only returns the status of
244 * the hcall. Use this version where possible, its slightly faster than
245 * the other plpar_hcalls.
246 */
247long plpar_hcall_norets(unsigned long opcode, ...);
248
249/**
250 * plpar_hcall: - Make a pseries hypervisor call
251 * @opcode: The hypervisor call to make.
252 * @retbuf: Buffer to store up to 4 return arguments in.
253 *
254 * This call supports up to 6 arguments and 4 return arguments. Use
255 * PLPAR_HCALL_BUFSIZE to size the return argument buffer.
256 *
257 * Used for all but the craziest of phyp interfaces (see plpar_hcall9)
258 */
259#define PLPAR_HCALL_BUFSIZE 4
260long plpar_hcall(unsigned long opcode, unsigned long *retbuf, ...);
261
262/**
263 * plpar_hcall_raw: - Make a hypervisor call without calculating hcall stats
264 * @opcode: The hypervisor call to make.
265 * @retbuf: Buffer to store up to 4 return arguments in.
266 *
267 * This call supports up to 6 arguments and 4 return arguments. Use
268 * PLPAR_HCALL_BUFSIZE to size the return argument buffer.
269 *
270 * Used when phyp interface needs to be called in real mode. Similar to
271 * plpar_hcall, but plpar_hcall_raw works in real mode and does not
272 * calculate hypervisor call statistics.
273 */
274long plpar_hcall_raw(unsigned long opcode, unsigned long *retbuf, ...);
275
276/**
277 * plpar_hcall9: - Make a pseries hypervisor call with up to 9 return arguments
278 * @opcode: The hypervisor call to make.
279 * @retbuf: Buffer to store up to 9 return arguments in.
280 *
281 * This call supports up to 9 arguments and 9 return arguments. Use
282 * PLPAR_HCALL9_BUFSIZE to size the return argument buffer.
283 */
284#define PLPAR_HCALL9_BUFSIZE 9
285long plpar_hcall9(unsigned long opcode, unsigned long *retbuf, ...);
286long plpar_hcall9_raw(unsigned long opcode, unsigned long *retbuf, ...);
287
288/* For hcall instrumentation.  One structure per-hcall, per-CPU */
289struct hcall_stats {
290	unsigned long	num_calls;	/* number of calls (on this CPU) */
291	unsigned long	tb_total;	/* total wall time (mftb) of calls. */
292	unsigned long	purr_total;	/* total cpu time (PURR) of calls. */
293	unsigned long	tb_start;
294	unsigned long	purr_start;
295};
296#define HCALL_STAT_ARRAY_SIZE	((MAX_HCALL_OPCODE >> 2) + 1)
297
298struct hvcall_mpp_data {
299	unsigned long entitled_mem;
300	unsigned long mapped_mem;
301	unsigned short group_num;
302	unsigned short pool_num;
303	unsigned char mem_weight;
304	unsigned char unallocated_mem_weight;
305	unsigned long unallocated_entitlement;  /* value in bytes */
306	unsigned long pool_size;
307	signed long loan_request;
308	unsigned long backing_mem;
309};
310
311int h_get_mpp(struct hvcall_mpp_data *);
312
313#ifdef CONFIG_PPC_PSERIES
314extern int CMO_PrPSP;
315extern int CMO_SecPSP;
316extern unsigned long CMO_PageSize;
317
318static inline int cmo_get_primary_psp(void)
319{
320	return CMO_PrPSP;
321}
322
323static inline int cmo_get_secondary_psp(void)
324{
325	return CMO_SecPSP;
326}
327
328static inline unsigned long cmo_get_page_size(void)
329{
330	return CMO_PageSize;
331}
332#endif /* CONFIG_PPC_PSERIES */
333
334#endif /* __ASSEMBLY__ */
335#endif /* __KERNEL__ */
336#endif /* _ASM_POWERPC_HVCALL_H */
337