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_RESCINDEND    -46
81 #define H_MULTI_THREADS_ACTIVE -9005
82 
83 
84 /* Long Busy is a condition that can be returned by the firmware
85  * when a call cannot be completed now, but the identical call
86  * should be retried later.  This prevents calls blocking in the
87  * firmware for long periods of time.  Annoyingly the firmware can return
88  * a range of return codes, hinting at how long we should wait before
89  * retrying.  If you don't care for the hint, the macro below is a good
90  * way to check for the long_busy return codes
91  */
92 #define H_IS_LONG_BUSY(x)  ((x >= H_LONG_BUSY_START_RANGE) \
93 			     && (x <= H_LONG_BUSY_END_RANGE))
94 
95 /* Flags */
96 #define H_LARGE_PAGE		(1UL<<(63-16))
97 #define H_EXACT			(1UL<<(63-24))	/* Use exact PTE or return H_PTEG_FULL */
98 #define H_R_XLATE		(1UL<<(63-25))	/* include a valid logical page num in the pte if the valid bit is set */
99 #define H_READ_4		(1UL<<(63-26))	/* Return 4 PTEs */
100 #define H_PAGE_STATE_CHANGE	(1UL<<(63-28))
101 #define H_PAGE_UNUSED		((1UL<<(63-29)) | (1UL<<(63-30)))
102 #define H_PAGE_SET_UNUSED	(H_PAGE_STATE_CHANGE | H_PAGE_UNUSED)
103 #define H_PAGE_SET_LOANED	(H_PAGE_SET_UNUSED | (1UL<<(63-31)))
104 #define H_PAGE_SET_ACTIVE	H_PAGE_STATE_CHANGE
105 #define H_AVPN			(1UL<<(63-32))	/* An avpn is provided as a sanity test */
106 #define H_ANDCOND		(1UL<<(63-33))
107 #define H_LOCAL			(1UL<<(63-35))
108 #define H_ICACHE_INVALIDATE	(1UL<<(63-40))	/* icbi, etc.  (ignored for IO pages) */
109 #define H_ICACHE_SYNCHRONIZE	(1UL<<(63-41))	/* dcbst, icbi, etc (ignored for IO pages */
110 #define H_COALESCE_CAND	(1UL<<(63-42))	/* page is a good candidate for coalescing */
111 #define H_ZERO_PAGE		(1UL<<(63-48))	/* zero the page before mapping (ignored for IO pages) */
112 #define H_COPY_PAGE		(1UL<<(63-49))
113 #define H_N			(1UL<<(63-61))
114 #define H_PP1			(1UL<<(63-62))
115 #define H_PP2			(1UL<<(63-63))
116 
117 /* VASI States */
118 #define H_VASI_INVALID          0
119 #define H_VASI_ENABLED          1
120 #define H_VASI_ABORTED          2
121 #define H_VASI_SUSPENDING       3
122 #define H_VASI_SUSPENDED        4
123 #define H_VASI_RESUMED          5
124 #define H_VASI_COMPLETED        6
125 
126 /* DABRX flags */
127 #define H_DABRX_HYPERVISOR	(1UL<<(63-61))
128 #define H_DABRX_KERNEL		(1UL<<(63-62))
129 #define H_DABRX_USER		(1UL<<(63-63))
130 
131 /* Each control block has to be on a 4K boundary */
132 #define H_CB_ALIGNMENT          4096
133 
134 /* pSeries hypervisor opcodes */
135 #define H_REMOVE		0x04
136 #define H_ENTER			0x08
137 #define H_READ			0x0c
138 #define H_CLEAR_MOD		0x10
139 #define H_CLEAR_REF		0x14
140 #define H_PROTECT		0x18
141 #define H_GET_TCE		0x1c
142 #define H_PUT_TCE		0x20
143 #define H_SET_SPRG0		0x24
144 #define H_SET_DABR		0x28
145 #define H_PAGE_INIT		0x2c
146 #define H_SET_ASR		0x30
147 #define H_ASR_ON		0x34
148 #define H_ASR_OFF		0x38
149 #define H_LOGICAL_CI_LOAD	0x3c
150 #define H_LOGICAL_CI_STORE	0x40
151 #define H_LOGICAL_CACHE_LOAD	0x44
152 #define H_LOGICAL_CACHE_STORE	0x48
153 #define H_LOGICAL_ICBI		0x4c
154 #define H_LOGICAL_DCBF		0x50
155 #define H_GET_TERM_CHAR		0x54
156 #define H_PUT_TERM_CHAR		0x58
157 #define H_REAL_TO_LOGICAL	0x5c
158 #define H_HYPERVISOR_DATA	0x60
159 #define H_EOI			0x64
160 #define H_CPPR			0x68
161 #define H_IPI			0x6c
162 #define H_IPOLL			0x70
163 #define H_XIRR			0x74
164 #define H_PERFMON		0x7c
165 #define H_MIGRATE_DMA		0x78
166 #define H_REGISTER_VPA		0xDC
167 #define H_CEDE			0xE0
168 #define H_CONFER		0xE4
169 #define H_PROD			0xE8
170 #define H_GET_PPP		0xEC
171 #define H_SET_PPP		0xF0
172 #define H_PURR			0xF4
173 #define H_PIC			0xF8
174 #define H_REG_CRQ		0xFC
175 #define H_FREE_CRQ		0x100
176 #define H_VIO_SIGNAL		0x104
177 #define H_SEND_CRQ		0x108
178 #define H_COPY_RDMA		0x110
179 #define H_REGISTER_LOGICAL_LAN	0x114
180 #define H_FREE_LOGICAL_LAN	0x118
181 #define H_ADD_LOGICAL_LAN_BUFFER 0x11C
182 #define H_SEND_LOGICAL_LAN	0x120
183 #define H_BULK_REMOVE		0x124
184 #define H_MULTICAST_CTRL	0x130
185 #define H_SET_XDABR		0x134
186 #define H_STUFF_TCE		0x138
187 #define H_PUT_TCE_INDIRECT	0x13C
188 #define H_CHANGE_LOGICAL_LAN_MAC 0x14C
189 #define H_VTERM_PARTNER_INFO	0x150
190 #define H_REGISTER_VTERM	0x154
191 #define H_FREE_VTERM		0x158
192 #define H_RESET_EVENTS          0x15C
193 #define H_ALLOC_RESOURCE        0x160
194 #define H_FREE_RESOURCE         0x164
195 #define H_MODIFY_QP             0x168
196 #define H_QUERY_QP              0x16C
197 #define H_REREGISTER_PMR        0x170
198 #define H_REGISTER_SMR          0x174
199 #define H_QUERY_MR              0x178
200 #define H_QUERY_MW              0x17C
201 #define H_QUERY_HCA             0x180
202 #define H_QUERY_PORT            0x184
203 #define H_MODIFY_PORT           0x188
204 #define H_DEFINE_AQP1           0x18C
205 #define H_GET_TRACE_BUFFER      0x190
206 #define H_DEFINE_AQP0           0x194
207 #define H_RESIZE_MR             0x198
208 #define H_ATTACH_MCQP           0x19C
209 #define H_DETACH_MCQP           0x1A0
210 #define H_CREATE_RPT            0x1A4
211 #define H_REMOVE_RPT            0x1A8
212 #define H_REGISTER_RPAGES       0x1AC
213 #define H_DISABLE_AND_GETC      0x1B0
214 #define H_ERROR_DATA            0x1B4
215 #define H_GET_HCA_INFO          0x1B8
216 #define H_GET_PERF_COUNT        0x1BC
217 #define H_MANAGE_TRACE          0x1C0
218 #define H_FREE_LOGICAL_LAN_BUFFER 0x1D4
219 #define H_QUERY_INT_STATE       0x1E4
220 #define H_POLL_PENDING		0x1D8
221 #define H_ILLAN_ATTRIBUTES	0x244
222 #define H_MODIFY_HEA_QP		0x250
223 #define H_QUERY_HEA_QP		0x254
224 #define H_QUERY_HEA		0x258
225 #define H_QUERY_HEA_PORT	0x25C
226 #define H_MODIFY_HEA_PORT	0x260
227 #define H_REG_BCMC		0x264
228 #define H_DEREG_BCMC		0x268
229 #define H_REGISTER_HEA_RPAGES	0x26C
230 #define H_DISABLE_AND_GET_HEA	0x270
231 #define H_GET_HEA_INFO		0x274
232 #define H_ALLOC_HEA_RESOURCE	0x278
233 #define H_ADD_CONN		0x284
234 #define H_DEL_CONN		0x288
235 #define H_JOIN			0x298
236 #define H_VASI_STATE            0x2A4
237 #define H_ENABLE_CRQ		0x2B0
238 #define H_GET_EM_PARMS		0x2B8
239 #define H_SET_MPP		0x2D0
240 #define H_GET_MPP		0x2D4
241 #define H_HOME_NODE_ASSOCIATIVITY 0x2EC
242 #define H_BEST_ENERGY		0x2F4
243 #define H_GET_MPP_X		0x314
244 #define MAX_HCALL_OPCODE	H_GET_MPP_X
245 
246 #ifndef __ASSEMBLY__
247 
248 /**
249  * plpar_hcall_norets: - Make a pseries hypervisor call with no return arguments
250  * @opcode: The hypervisor call to make.
251  *
252  * This call supports up to 7 arguments and only returns the status of
253  * the hcall. Use this version where possible, its slightly faster than
254  * the other plpar_hcalls.
255  */
256 long plpar_hcall_norets(unsigned long opcode, ...);
257 
258 /**
259  * plpar_hcall: - Make a pseries hypervisor call
260  * @opcode: The hypervisor call to make.
261  * @retbuf: Buffer to store up to 4 return arguments in.
262  *
263  * This call supports up to 6 arguments and 4 return arguments. Use
264  * PLPAR_HCALL_BUFSIZE to size the return argument buffer.
265  *
266  * Used for all but the craziest of phyp interfaces (see plpar_hcall9)
267  */
268 #define PLPAR_HCALL_BUFSIZE 4
269 long plpar_hcall(unsigned long opcode, unsigned long *retbuf, ...);
270 
271 /**
272  * plpar_hcall_raw: - Make a hypervisor call without calculating hcall stats
273  * @opcode: The hypervisor call to make.
274  * @retbuf: Buffer to store up to 4 return arguments in.
275  *
276  * This call supports up to 6 arguments and 4 return arguments. Use
277  * PLPAR_HCALL_BUFSIZE to size the return argument buffer.
278  *
279  * Used when phyp interface needs to be called in real mode. Similar to
280  * plpar_hcall, but plpar_hcall_raw works in real mode and does not
281  * calculate hypervisor call statistics.
282  */
283 long plpar_hcall_raw(unsigned long opcode, unsigned long *retbuf, ...);
284 
285 /**
286  * plpar_hcall9: - Make a pseries hypervisor call with up to 9 return arguments
287  * @opcode: The hypervisor call to make.
288  * @retbuf: Buffer to store up to 9 return arguments in.
289  *
290  * This call supports up to 9 arguments and 9 return arguments. Use
291  * PLPAR_HCALL9_BUFSIZE to size the return argument buffer.
292  */
293 #define PLPAR_HCALL9_BUFSIZE 9
294 long plpar_hcall9(unsigned long opcode, unsigned long *retbuf, ...);
295 long plpar_hcall9_raw(unsigned long opcode, unsigned long *retbuf, ...);
296 
297 /* For hcall instrumentation.  One structure per-hcall, per-CPU */
298 struct hcall_stats {
299 	unsigned long	num_calls;	/* number of calls (on this CPU) */
300 	unsigned long	tb_total;	/* total wall time (mftb) of calls. */
301 	unsigned long	purr_total;	/* total cpu time (PURR) of calls. */
302 	unsigned long	tb_start;
303 	unsigned long	purr_start;
304 };
305 #define HCALL_STAT_ARRAY_SIZE	((MAX_HCALL_OPCODE >> 2) + 1)
306 
307 struct hvcall_mpp_data {
308 	unsigned long entitled_mem;
309 	unsigned long mapped_mem;
310 	unsigned short group_num;
311 	unsigned short pool_num;
312 	unsigned char mem_weight;
313 	unsigned char unallocated_mem_weight;
314 	unsigned long unallocated_entitlement;  /* value in bytes */
315 	unsigned long pool_size;
316 	signed long loan_request;
317 	unsigned long backing_mem;
318 };
319 
320 int h_get_mpp(struct hvcall_mpp_data *);
321 
322 struct hvcall_mpp_x_data {
323 	unsigned long coalesced_bytes;
324 	unsigned long pool_coalesced_bytes;
325 	unsigned long pool_purr_cycles;
326 	unsigned long pool_spurr_cycles;
327 	unsigned long reserved[3];
328 };
329 
330 int h_get_mpp_x(struct hvcall_mpp_x_data *mpp_x_data);
331 
332 #ifdef CONFIG_PPC_PSERIES
333 extern int CMO_PrPSP;
334 extern int CMO_SecPSP;
335 extern unsigned long CMO_PageSize;
336 
cmo_get_primary_psp(void)337 static inline int cmo_get_primary_psp(void)
338 {
339 	return CMO_PrPSP;
340 }
341 
cmo_get_secondary_psp(void)342 static inline int cmo_get_secondary_psp(void)
343 {
344 	return CMO_SecPSP;
345 }
346 
cmo_get_page_size(void)347 static inline unsigned long cmo_get_page_size(void)
348 {
349 	return CMO_PageSize;
350 }
351 #endif /* CONFIG_PPC_PSERIES */
352 
353 #endif /* __ASSEMBLY__ */
354 #endif /* __KERNEL__ */
355 #endif /* _ASM_POWERPC_HVCALL_H */
356