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_GET_CPU_CHARACTERISTICS 0x1C8
243 #define H_FREE_LOGICAL_LAN_BUFFER 0x1D4
244 #define H_QUERY_INT_STATE 0x1E4
245 #define H_POLL_PENDING 0x1D8
246 #define H_ILLAN_ATTRIBUTES 0x244
247 #define H_MODIFY_HEA_QP 0x250
248 #define H_QUERY_HEA_QP 0x254
249 #define H_QUERY_HEA 0x258
250 #define H_QUERY_HEA_PORT 0x25C
251 #define H_MODIFY_HEA_PORT 0x260
252 #define H_REG_BCMC 0x264
253 #define H_DEREG_BCMC 0x268
254 #define H_REGISTER_HEA_RPAGES 0x26C
255 #define H_DISABLE_AND_GET_HEA 0x270
256 #define H_GET_HEA_INFO 0x274
257 #define H_ALLOC_HEA_RESOURCE 0x278
258 #define H_ADD_CONN 0x284
259 #define H_DEL_CONN 0x288
260 #define H_JOIN 0x298
261 #define H_VASI_STATE 0x2A4
262 #define H_ENABLE_CRQ 0x2B0
263 #define H_GET_EM_PARMS 0x2B8
264 #define H_SET_MPP 0x2D0
265 #define H_GET_MPP 0x2D4
266 #define H_HOME_NODE_ASSOCIATIVITY 0x2EC
267 #define H_BEST_ENERGY 0x2F4
268 #define H_XIRR_X 0x2FC
269 #define H_RANDOM 0x300
270 #define H_COP 0x304
271 #define H_GET_MPP_X 0x314
272 #define H_SET_MODE 0x31C
273 #define MAX_HCALL_OPCODE H_SET_MODE
274
275 /* Platform specific hcalls, used by KVM */
276 #define H_RTAS 0xf000
277
278 /* "Platform specific hcalls", provided by PHYP */
279 #define H_GET_24X7_CATALOG_PAGE 0xF078
280 #define H_GET_24X7_DATA 0xF07C
281 #define H_GET_PERF_COUNTER_INFO 0xF080
282
283 /* Values for 2nd argument to H_SET_MODE */
284 #define H_SET_MODE_RESOURCE_SET_CIABR 1
285 #define H_SET_MODE_RESOURCE_SET_DAWR 2
286 #define H_SET_MODE_RESOURCE_ADDR_TRANS_MODE 3
287 #define H_SET_MODE_RESOURCE_LE 4
288
289 /* H_GET_CPU_CHARACTERISTICS return values */
290 #define H_CPU_CHAR_SPEC_BAR_ORI31 (1ull << 63) // IBM bit 0
291 #define H_CPU_CHAR_BCCTRL_SERIALISED (1ull << 62) // IBM bit 1
292 #define H_CPU_CHAR_L1D_FLUSH_ORI30 (1ull << 61) // IBM bit 2
293 #define H_CPU_CHAR_L1D_FLUSH_TRIG2 (1ull << 60) // IBM bit 3
294 #define H_CPU_CHAR_L1D_THREAD_PRIV (1ull << 59) // IBM bit 4
295 #define H_CPU_CHAR_BRANCH_HINTS_HONORED (1ull << 58) // IBM bit 5
296 #define H_CPU_CHAR_THREAD_RECONFIG_CTRL (1ull << 57) // IBM bit 6
297 #define H_CPU_CHAR_COUNT_CACHE_DISABLED (1ull << 56) // IBM bit 7
298 #define H_CPU_CHAR_BCCTR_FLUSH_ASSIST (1ull << 54) // IBM bit 9
299
300 #define H_CPU_BEHAV_FAVOUR_SECURITY (1ull << 63) // IBM bit 0
301 #define H_CPU_BEHAV_L1D_FLUSH_PR (1ull << 62) // IBM bit 1
302 #define H_CPU_BEHAV_BNDS_CHK_SPEC_BAR (1ull << 61) // IBM bit 2
303 #define H_CPU_BEHAV_FLUSH_COUNT_CACHE (1ull << 58) // IBM bit 5
304
305 #ifndef __ASSEMBLY__
306 #include <linux/types.h>
307
308 /**
309 * plpar_hcall_norets: - Make a pseries hypervisor call with no return arguments
310 * @opcode: The hypervisor call to make.
311 *
312 * This call supports up to 7 arguments and only returns the status of
313 * the hcall. Use this version where possible, its slightly faster than
314 * the other plpar_hcalls.
315 */
316 long plpar_hcall_norets(unsigned long opcode, ...);
317
318 /**
319 * plpar_hcall: - Make a pseries hypervisor call
320 * @opcode: The hypervisor call to make.
321 * @retbuf: Buffer to store up to 4 return arguments in.
322 *
323 * This call supports up to 6 arguments and 4 return arguments. Use
324 * PLPAR_HCALL_BUFSIZE to size the return argument buffer.
325 *
326 * Used for all but the craziest of phyp interfaces (see plpar_hcall9)
327 */
328 #define PLPAR_HCALL_BUFSIZE 4
329 long plpar_hcall(unsigned long opcode, unsigned long *retbuf, ...);
330
331 /**
332 * plpar_hcall_raw: - Make a hypervisor call without calculating hcall stats
333 * @opcode: The hypervisor call to make.
334 * @retbuf: Buffer to store up to 4 return arguments in.
335 *
336 * This call supports up to 6 arguments and 4 return arguments. Use
337 * PLPAR_HCALL_BUFSIZE to size the return argument buffer.
338 *
339 * Used when phyp interface needs to be called in real mode. Similar to
340 * plpar_hcall, but plpar_hcall_raw works in real mode and does not
341 * calculate hypervisor call statistics.
342 */
343 long plpar_hcall_raw(unsigned long opcode, unsigned long *retbuf, ...);
344
345 /**
346 * plpar_hcall9: - Make a pseries hypervisor call with up to 9 return arguments
347 * @opcode: The hypervisor call to make.
348 * @retbuf: Buffer to store up to 9 return arguments in.
349 *
350 * This call supports up to 9 arguments and 9 return arguments. Use
351 * PLPAR_HCALL9_BUFSIZE to size the return argument buffer.
352 */
353 #define PLPAR_HCALL9_BUFSIZE 9
354 long plpar_hcall9(unsigned long opcode, unsigned long *retbuf, ...);
355 long plpar_hcall9_raw(unsigned long opcode, unsigned long *retbuf, ...);
356
357 /* For hcall instrumentation. One structure per-hcall, per-CPU */
358 struct hcall_stats {
359 unsigned long num_calls; /* number of calls (on this CPU) */
360 unsigned long tb_total; /* total wall time (mftb) of calls. */
361 unsigned long purr_total; /* total cpu time (PURR) of calls. */
362 unsigned long tb_start;
363 unsigned long purr_start;
364 };
365 #define HCALL_STAT_ARRAY_SIZE ((MAX_HCALL_OPCODE >> 2) + 1)
366
367 struct hvcall_mpp_data {
368 unsigned long entitled_mem;
369 unsigned long mapped_mem;
370 unsigned short group_num;
371 unsigned short pool_num;
372 unsigned char mem_weight;
373 unsigned char unallocated_mem_weight;
374 unsigned long unallocated_entitlement; /* value in bytes */
375 unsigned long pool_size;
376 signed long loan_request;
377 unsigned long backing_mem;
378 };
379
380 int h_get_mpp(struct hvcall_mpp_data *);
381
382 struct hvcall_mpp_x_data {
383 unsigned long coalesced_bytes;
384 unsigned long pool_coalesced_bytes;
385 unsigned long pool_purr_cycles;
386 unsigned long pool_spurr_cycles;
387 unsigned long reserved[3];
388 };
389
390 int h_get_mpp_x(struct hvcall_mpp_x_data *mpp_x_data);
391
get_longbusy_msecs(int longbusy_rc)392 static inline unsigned int get_longbusy_msecs(int longbusy_rc)
393 {
394 switch (longbusy_rc) {
395 case H_LONG_BUSY_ORDER_1_MSEC:
396 return 1;
397 case H_LONG_BUSY_ORDER_10_MSEC:
398 return 10;
399 case H_LONG_BUSY_ORDER_100_MSEC:
400 return 100;
401 case H_LONG_BUSY_ORDER_1_SEC:
402 return 1000;
403 case H_LONG_BUSY_ORDER_10_SEC:
404 return 10000;
405 case H_LONG_BUSY_ORDER_100_SEC:
406 return 100000;
407 default:
408 return 1;
409 }
410 }
411
412 #ifdef CONFIG_PPC_PSERIES
413 extern int CMO_PrPSP;
414 extern int CMO_SecPSP;
415 extern unsigned long CMO_PageSize;
416
cmo_get_primary_psp(void)417 static inline int cmo_get_primary_psp(void)
418 {
419 return CMO_PrPSP;
420 }
421
cmo_get_secondary_psp(void)422 static inline int cmo_get_secondary_psp(void)
423 {
424 return CMO_SecPSP;
425 }
426
cmo_get_page_size(void)427 static inline unsigned long cmo_get_page_size(void)
428 {
429 return CMO_PageSize;
430 }
431
432 extern long pSeries_enable_reloc_on_exc(void);
433 extern long pSeries_disable_reloc_on_exc(void);
434
435 extern long pseries_big_endian_exceptions(void);
436
437 #else
438
439 #define pSeries_enable_reloc_on_exc() do {} while (0)
440 #define pSeries_disable_reloc_on_exc() do {} while (0)
441
442 #endif /* CONFIG_PPC_PSERIES */
443
444 struct h_cpu_char_result {
445 u64 character;
446 u64 behaviour;
447 };
448
449 #endif /* __ASSEMBLY__ */
450 #endif /* __KERNEL__ */
451 #endif /* _ASM_POWERPC_HVCALL_H */
452