xref: /openbmc/linux/arch/powerpc/include/asm/hvcall.h (revision 25985edc)
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 boundary */
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 H_HOME_NODE_ASSOCIATIVITY 0x2EC
236 #define H_BEST_ENERGY		0x2F4
237 #define MAX_HCALL_OPCODE	H_BEST_ENERGY
238 
239 #ifndef __ASSEMBLY__
240 
241 /**
242  * plpar_hcall_norets: - Make a pseries hypervisor call with no return arguments
243  * @opcode: The hypervisor call to make.
244  *
245  * This call supports up to 7 arguments and only returns the status of
246  * the hcall. Use this version where possible, its slightly faster than
247  * the other plpar_hcalls.
248  */
249 long plpar_hcall_norets(unsigned long opcode, ...);
250 
251 /**
252  * plpar_hcall: - Make a pseries hypervisor call
253  * @opcode: The hypervisor call to make.
254  * @retbuf: Buffer to store up to 4 return arguments in.
255  *
256  * This call supports up to 6 arguments and 4 return arguments. Use
257  * PLPAR_HCALL_BUFSIZE to size the return argument buffer.
258  *
259  * Used for all but the craziest of phyp interfaces (see plpar_hcall9)
260  */
261 #define PLPAR_HCALL_BUFSIZE 4
262 long plpar_hcall(unsigned long opcode, unsigned long *retbuf, ...);
263 
264 /**
265  * plpar_hcall_raw: - Make a hypervisor call without calculating hcall stats
266  * @opcode: The hypervisor call to make.
267  * @retbuf: Buffer to store up to 4 return arguments in.
268  *
269  * This call supports up to 6 arguments and 4 return arguments. Use
270  * PLPAR_HCALL_BUFSIZE to size the return argument buffer.
271  *
272  * Used when phyp interface needs to be called in real mode. Similar to
273  * plpar_hcall, but plpar_hcall_raw works in real mode and does not
274  * calculate hypervisor call statistics.
275  */
276 long plpar_hcall_raw(unsigned long opcode, unsigned long *retbuf, ...);
277 
278 /**
279  * plpar_hcall9: - Make a pseries hypervisor call with up to 9 return arguments
280  * @opcode: The hypervisor call to make.
281  * @retbuf: Buffer to store up to 9 return arguments in.
282  *
283  * This call supports up to 9 arguments and 9 return arguments. Use
284  * PLPAR_HCALL9_BUFSIZE to size the return argument buffer.
285  */
286 #define PLPAR_HCALL9_BUFSIZE 9
287 long plpar_hcall9(unsigned long opcode, unsigned long *retbuf, ...);
288 long plpar_hcall9_raw(unsigned long opcode, unsigned long *retbuf, ...);
289 
290 /* For hcall instrumentation.  One structure per-hcall, per-CPU */
291 struct hcall_stats {
292 	unsigned long	num_calls;	/* number of calls (on this CPU) */
293 	unsigned long	tb_total;	/* total wall time (mftb) of calls. */
294 	unsigned long	purr_total;	/* total cpu time (PURR) of calls. */
295 	unsigned long	tb_start;
296 	unsigned long	purr_start;
297 };
298 #define HCALL_STAT_ARRAY_SIZE	((MAX_HCALL_OPCODE >> 2) + 1)
299 
300 struct hvcall_mpp_data {
301 	unsigned long entitled_mem;
302 	unsigned long mapped_mem;
303 	unsigned short group_num;
304 	unsigned short pool_num;
305 	unsigned char mem_weight;
306 	unsigned char unallocated_mem_weight;
307 	unsigned long unallocated_entitlement;  /* value in bytes */
308 	unsigned long pool_size;
309 	signed long loan_request;
310 	unsigned long backing_mem;
311 };
312 
313 int h_get_mpp(struct hvcall_mpp_data *);
314 
315 #ifdef CONFIG_PPC_PSERIES
316 extern int CMO_PrPSP;
317 extern int CMO_SecPSP;
318 extern unsigned long CMO_PageSize;
319 
320 static inline int cmo_get_primary_psp(void)
321 {
322 	return CMO_PrPSP;
323 }
324 
325 static inline int cmo_get_secondary_psp(void)
326 {
327 	return CMO_SecPSP;
328 }
329 
330 static inline unsigned long cmo_get_page_size(void)
331 {
332 	return CMO_PageSize;
333 }
334 #endif /* CONFIG_PPC_PSERIES */
335 
336 #endif /* __ASSEMBLY__ */
337 #endif /* __KERNEL__ */
338 #endif /* _ASM_POWERPC_HVCALL_H */
339