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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
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 */
256long 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
269long 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 */
283long 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
294long plpar_hcall9(unsigned long opcode, unsigned long *retbuf, ...);
295long plpar_hcall9_raw(unsigned long opcode, unsigned long *retbuf, ...);
296
297/* For hcall instrumentation. One structure per-hcall, per-CPU */
298struct 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
307struct 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
320int h_get_mpp(struct hvcall_mpp_data *);
321
322struct 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
330int h_get_mpp_x(struct hvcall_mpp_x_data *mpp_x_data);
331
332#ifdef CONFIG_PPC_PSERIES
333extern int CMO_PrPSP;
334extern int CMO_SecPSP;
335extern unsigned long CMO_PageSize;
336
337static inline int cmo_get_primary_psp(void)
338{
339 return CMO_PrPSP;
340}
341
342static inline int cmo_get_secondary_psp(void)
343{
344 return CMO_SecPSP;
345}
346
347static 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 */