1  /* SPDX-License-Identifier: GPL-2.0 */
2  #ifndef _ASM_POWERPC_HVCALL_H
3  #define _ASM_POWERPC_HVCALL_H
4  #ifdef __KERNEL__
5  
6  #define HVSC			.long 0x44000022
7  
8  #define H_SUCCESS	0
9  #define H_BUSY		1	/* Hardware busy -- retry later */
10  #define H_CLOSED	2	/* Resource closed */
11  #define H_NOT_AVAILABLE 3
12  #define H_CONSTRAINED	4	/* Resource request constrained to max allowed */
13  #define H_PARTIAL       5
14  #define H_IN_PROGRESS	14	/* Kind of like busy */
15  #define H_PAGE_REGISTERED 15
16  #define H_PARTIAL_STORE   16
17  #define H_PENDING	17	/* returned from H_POLL_PENDING */
18  #define H_CONTINUE	18	/* Returned from H_Join on success */
19  #define H_LONG_BUSY_START_RANGE		9900  /* Start of long busy range */
20  #define H_LONG_BUSY_ORDER_1_MSEC	9900  /* Long busy, hint that 1msec \
21  						 is a good time to retry */
22  #define H_LONG_BUSY_ORDER_10_MSEC	9901  /* Long busy, hint that 10msec \
23  						 is a good time to retry */
24  #define H_LONG_BUSY_ORDER_100_MSEC 	9902  /* Long busy, hint that 100msec \
25  						 is a good time to retry */
26  #define H_LONG_BUSY_ORDER_1_SEC		9903  /* Long busy, hint that 1sec \
27  						 is a good time to retry */
28  #define H_LONG_BUSY_ORDER_10_SEC	9904  /* Long busy, hint that 10sec \
29  						 is a good time to retry */
30  #define H_LONG_BUSY_ORDER_100_SEC	9905  /* Long busy, hint that 100sec \
31  						 is a good time to retry */
32  #define H_LONG_BUSY_END_RANGE		9905  /* End of long busy range */
33  
34  /* Internal value used in book3s_hv kvm support; not returned to guests */
35  #define H_TOO_HARD	9999
36  
37  #define H_HARDWARE	-1	/* Hardware error */
38  #define H_FUNCTION	-2	/* Function not supported */
39  #define H_PRIVILEGE	-3	/* Caller not privileged */
40  #define H_PARAMETER	-4	/* Parameter invalid, out-of-range or conflicting */
41  #define H_BAD_MODE	-5	/* Illegal msr value */
42  #define H_PTEG_FULL	-6	/* PTEG is full */
43  #define H_NOT_FOUND	-7	/* PTE was not found" */
44  #define H_RESERVED_DABR	-8	/* DABR address is reserved by the hypervisor on this processor" */
45  #define H_NO_MEM	-9
46  #define H_AUTHORITY	-10
47  #define H_PERMISSION	-11
48  #define H_DROPPED	-12
49  #define H_SOURCE_PARM	-13
50  #define H_DEST_PARM	-14
51  #define H_REMOTE_PARM	-15
52  #define H_RESOURCE	-16
53  #define H_ADAPTER_PARM  -17
54  #define H_RH_PARM       -18
55  #define H_RCQ_PARM      -19
56  #define H_SCQ_PARM      -20
57  #define H_EQ_PARM       -21
58  #define H_RT_PARM       -22
59  #define H_ST_PARM       -23
60  #define H_SIGT_PARM     -24
61  #define H_TOKEN_PARM    -25
62  #define H_MLENGTH_PARM  -27
63  #define H_MEM_PARM      -28
64  #define H_MEM_ACCESS_PARM -29
65  #define H_ATTR_PARM     -30
66  #define H_PORT_PARM     -31
67  #define H_MCG_PARM      -32
68  #define H_VL_PARM       -33
69  #define H_TSIZE_PARM    -34
70  #define H_TRACE_PARM    -35
71  
72  #define H_MASK_PARM     -37
73  #define H_MCG_FULL      -38
74  #define H_ALIAS_EXIST   -39
75  #define H_P_COUNTER     -40
76  #define H_TABLE_FULL    -41
77  #define H_ALT_TABLE     -42
78  #define H_MR_CONDITION  -43
79  #define H_NOT_ENOUGH_RESOURCES -44
80  #define H_R_STATE       -45
81  #define H_RESCINDED     -46
82  #define H_ABORTED	-54
83  #define H_P2		-55
84  #define H_P3		-56
85  #define H_P4		-57
86  #define H_P5		-58
87  #define H_P6		-59
88  #define H_P7		-60
89  #define H_P8		-61
90  #define H_P9		-62
91  #define H_NOOP		-63
92  #define H_TOO_BIG	-64
93  #define H_UNSUPPORTED	-67
94  #define H_OVERLAP	-68
95  #define H_INTERRUPT	-69
96  #define H_BAD_DATA	-70
97  #define H_NOT_ACTIVE	-71
98  #define H_SG_LIST	-72
99  #define H_OP_MODE	-73
100  #define H_COP_HW	-74
101  #define H_STATE		-75
102  #define H_IN_USE	-77
103  
104  #define H_INVALID_ELEMENT_ID			-79
105  #define H_INVALID_ELEMENT_SIZE			-80
106  #define H_INVALID_ELEMENT_VALUE			-81
107  #define H_INPUT_BUFFER_NOT_DEFINED		-82
108  #define H_INPUT_BUFFER_TOO_SMALL		-83
109  #define H_OUTPUT_BUFFER_NOT_DEFINED		-84
110  #define H_OUTPUT_BUFFER_TOO_SMALL		-85
111  #define H_PARTITION_PAGE_TABLE_NOT_DEFINED	-86
112  #define H_GUEST_VCPU_STATE_NOT_HV_OWNED		-87
113  
114  
115  #define H_UNSUPPORTED_FLAG_START	-256
116  #define H_UNSUPPORTED_FLAG_END		-511
117  #define H_MULTI_THREADS_ACTIVE	-9005
118  #define H_OUTSTANDING_COP_OPS	-9006
119  
120  
121  /* Long Busy is a condition that can be returned by the firmware
122   * when a call cannot be completed now, but the identical call
123   * should be retried later.  This prevents calls blocking in the
124   * firmware for long periods of time.  Annoyingly the firmware can return
125   * a range of return codes, hinting at how long we should wait before
126   * retrying.  If you don't care for the hint, the macro below is a good
127   * way to check for the long_busy return codes
128   */
129  #define H_IS_LONG_BUSY(x)  ((x >= H_LONG_BUSY_START_RANGE) \
130  			     && (x <= H_LONG_BUSY_END_RANGE))
131  
132  /* Flags */
133  #define H_LARGE_PAGE		(1UL<<(63-16))
134  #define H_EXACT			(1UL<<(63-24))	/* Use exact PTE or return H_PTEG_FULL */
135  #define H_R_XLATE		(1UL<<(63-25))	/* include a valid logical page num in the pte if the valid bit is set */
136  #define H_READ_4		(1UL<<(63-26))	/* Return 4 PTEs */
137  #define H_PAGE_STATE_CHANGE	(1UL<<(63-28))
138  #define H_PAGE_UNUSED		((1UL<<(63-29)) | (1UL<<(63-30)))
139  #define H_PAGE_SET_UNUSED	(H_PAGE_STATE_CHANGE | H_PAGE_UNUSED)
140  #define H_PAGE_SET_LOANED	(H_PAGE_SET_UNUSED | (1UL<<(63-31)))
141  #define H_PAGE_SET_ACTIVE	H_PAGE_STATE_CHANGE
142  #define H_AVPN			(1UL<<(63-32))	/* An avpn is provided as a sanity test */
143  #define H_ANDCOND		(1UL<<(63-33))
144  #define H_LOCAL			(1UL<<(63-35))
145  #define H_ICACHE_INVALIDATE	(1UL<<(63-40))	/* icbi, etc.  (ignored for IO pages) */
146  #define H_ICACHE_SYNCHRONIZE	(1UL<<(63-41))	/* dcbst, icbi, etc (ignored for IO pages */
147  #define H_COALESCE_CAND	(1UL<<(63-42))	/* page is a good candidate for coalescing */
148  #define H_ZERO_PAGE		(1UL<<(63-48))	/* zero the page before mapping (ignored for IO pages) */
149  #define H_COPY_PAGE		(1UL<<(63-49))
150  #define H_N			(1UL<<(63-61))
151  #define H_PP1			(1UL<<(63-62))
152  #define H_PP2			(1UL<<(63-63))
153  
154  /* Flags for H_REGISTER_VPA subfunction field */
155  #define H_VPA_FUNC_SHIFT	(63-18)	/* Bit posn of subfunction code */
156  #define H_VPA_FUNC_MASK		7UL
157  #define H_VPA_REG_VPA		1UL	/* Register Virtual Processor Area */
158  #define H_VPA_REG_DTL		2UL	/* Register Dispatch Trace Log */
159  #define H_VPA_REG_SLB		3UL	/* Register SLB shadow buffer */
160  #define H_VPA_DEREG_VPA		5UL	/* Deregister Virtual Processor Area */
161  #define H_VPA_DEREG_DTL		6UL	/* Deregister Dispatch Trace Log */
162  #define H_VPA_DEREG_SLB		7UL	/* Deregister SLB shadow buffer */
163  
164  /* VASI States */
165  #define H_VASI_INVALID          0
166  #define H_VASI_ENABLED          1
167  #define H_VASI_ABORTED          2
168  #define H_VASI_SUSPENDING       3
169  #define H_VASI_SUSPENDED        4
170  #define H_VASI_RESUMED          5
171  #define H_VASI_COMPLETED        6
172  
173  /* VASI signal codes. Only the Cancel code is valid for H_VASI_SIGNAL. */
174  #define H_VASI_SIGNAL_CANCEL    1
175  #define H_VASI_SIGNAL_ABORT     2
176  #define H_VASI_SIGNAL_SUSPEND   3
177  #define H_VASI_SIGNAL_COMPLETE  4
178  #define H_VASI_SIGNAL_ENABLE    5
179  #define H_VASI_SIGNAL_FAILOVER  6
180  
181  /* Each control block has to be on a 4K boundary */
182  #define H_CB_ALIGNMENT          4096
183  
184  /* pSeries hypervisor opcodes */
185  #define H_REMOVE		0x04
186  #define H_ENTER			0x08
187  #define H_READ			0x0c
188  #define H_CLEAR_MOD		0x10
189  #define H_CLEAR_REF		0x14
190  #define H_PROTECT		0x18
191  #define H_GET_TCE		0x1c
192  #define H_PUT_TCE		0x20
193  #define H_SET_SPRG0		0x24
194  #define H_SET_DABR		0x28
195  #define H_PAGE_INIT		0x2c
196  #define H_SET_ASR		0x30
197  #define H_ASR_ON		0x34
198  #define H_ASR_OFF		0x38
199  #define H_LOGICAL_CI_LOAD	0x3c
200  #define H_LOGICAL_CI_STORE	0x40
201  #define H_LOGICAL_CACHE_LOAD	0x44
202  #define H_LOGICAL_CACHE_STORE	0x48
203  #define H_LOGICAL_ICBI		0x4c
204  #define H_LOGICAL_DCBF		0x50
205  #define H_GET_TERM_CHAR		0x54
206  #define H_PUT_TERM_CHAR		0x58
207  #define H_REAL_TO_LOGICAL	0x5c
208  #define H_HYPERVISOR_DATA	0x60
209  #define H_EOI			0x64
210  #define H_CPPR			0x68
211  #define H_IPI			0x6c
212  #define H_IPOLL			0x70
213  #define H_XIRR			0x74
214  #define H_PERFMON		0x7c
215  #define H_MIGRATE_DMA		0x78
216  #define H_REGISTER_VPA		0xDC
217  #define H_CEDE			0xE0
218  #define H_CONFER		0xE4
219  #define H_PROD			0xE8
220  #define H_GET_PPP		0xEC
221  #define H_SET_PPP		0xF0
222  #define H_PURR			0xF4
223  #define H_PIC			0xF8
224  #define H_REG_CRQ		0xFC
225  #define H_FREE_CRQ		0x100
226  #define H_VIO_SIGNAL		0x104
227  #define H_SEND_CRQ		0x108
228  #define H_COPY_RDMA		0x110
229  #define H_REGISTER_LOGICAL_LAN	0x114
230  #define H_FREE_LOGICAL_LAN	0x118
231  #define H_ADD_LOGICAL_LAN_BUFFER 0x11C
232  #define H_SEND_LOGICAL_LAN	0x120
233  #define H_BULK_REMOVE		0x124
234  #define H_MULTICAST_CTRL	0x130
235  #define H_SET_XDABR		0x134
236  #define H_STUFF_TCE		0x138
237  #define H_PUT_TCE_INDIRECT	0x13C
238  #define H_CHANGE_LOGICAL_LAN_MAC 0x14C
239  #define H_VTERM_PARTNER_INFO	0x150
240  #define H_REGISTER_VTERM	0x154
241  #define H_FREE_VTERM		0x158
242  #define H_RESET_EVENTS          0x15C
243  #define H_ALLOC_RESOURCE        0x160
244  #define H_FREE_RESOURCE         0x164
245  #define H_MODIFY_QP             0x168
246  #define H_QUERY_QP              0x16C
247  #define H_REREGISTER_PMR        0x170
248  #define H_REGISTER_SMR          0x174
249  #define H_QUERY_MR              0x178
250  #define H_QUERY_MW              0x17C
251  #define H_QUERY_HCA             0x180
252  #define H_QUERY_PORT            0x184
253  #define H_MODIFY_PORT           0x188
254  #define H_DEFINE_AQP1           0x18C
255  #define H_GET_TRACE_BUFFER      0x190
256  #define H_DEFINE_AQP0           0x194
257  #define H_RESIZE_MR             0x198
258  #define H_ATTACH_MCQP           0x19C
259  #define H_DETACH_MCQP           0x1A0
260  #define H_CREATE_RPT            0x1A4
261  #define H_REMOVE_RPT            0x1A8
262  #define H_REGISTER_RPAGES       0x1AC
263  #define H_DISABLE_AND_GET       0x1B0
264  #define H_ERROR_DATA            0x1B4
265  #define H_GET_HCA_INFO          0x1B8
266  #define H_GET_PERF_COUNT        0x1BC
267  #define H_MANAGE_TRACE          0x1C0
268  #define H_GET_CPU_CHARACTERISTICS 0x1C8
269  #define H_FREE_LOGICAL_LAN_BUFFER 0x1D4
270  #define H_QUERY_INT_STATE       0x1E4
271  #define H_POLL_PENDING		0x1D8
272  #define H_ILLAN_ATTRIBUTES	0x244
273  #define H_MODIFY_HEA_QP		0x250
274  #define H_QUERY_HEA_QP		0x254
275  #define H_QUERY_HEA		0x258
276  #define H_QUERY_HEA_PORT	0x25C
277  #define H_MODIFY_HEA_PORT	0x260
278  #define H_REG_BCMC		0x264
279  #define H_DEREG_BCMC		0x268
280  #define H_REGISTER_HEA_RPAGES	0x26C
281  #define H_DISABLE_AND_GET_HEA	0x270
282  #define H_GET_HEA_INFO		0x274
283  #define H_ALLOC_HEA_RESOURCE	0x278
284  #define H_ADD_CONN		0x284
285  #define H_DEL_CONN		0x288
286  #define H_JOIN			0x298
287  #define H_VASI_SIGNAL           0x2A0
288  #define H_VASI_STATE            0x2A4
289  #define H_VIOCTL		0x2A8
290  #define H_ENABLE_CRQ		0x2B0
291  #define H_GET_EM_PARMS		0x2B8
292  #define H_SET_MPP		0x2D0
293  #define H_GET_MPP		0x2D4
294  #define H_REG_SUB_CRQ		0x2DC
295  #define H_HOME_NODE_ASSOCIATIVITY 0x2EC
296  #define H_FREE_SUB_CRQ		0x2E0
297  #define H_SEND_SUB_CRQ		0x2E4
298  #define H_SEND_SUB_CRQ_INDIRECT	0x2E8
299  #define H_BEST_ENERGY		0x2F4
300  #define H_XIRR_X		0x2FC
301  #define H_RANDOM		0x300
302  #define H_COP			0x304
303  #define H_GET_MPP_X		0x314
304  #define H_SET_MODE		0x31C
305  #define H_BLOCK_REMOVE		0x328
306  #define H_CLEAR_HPT		0x358
307  #define H_REQUEST_VMC		0x360
308  #define H_RESIZE_HPT_PREPARE	0x36C
309  #define H_RESIZE_HPT_COMMIT	0x370
310  #define H_REGISTER_PROC_TBL	0x37C
311  #define H_SIGNAL_SYS_RESET	0x380
312  #define H_ALLOCATE_VAS_WINDOW	0x388
313  #define H_MODIFY_VAS_WINDOW	0x38C
314  #define H_DEALLOCATE_VAS_WINDOW	0x390
315  #define H_QUERY_VAS_WINDOW	0x394
316  #define H_QUERY_VAS_CAPABILITIES	0x398
317  #define H_QUERY_NX_CAPABILITIES	0x39C
318  #define H_GET_NX_FAULT		0x3A0
319  #define H_INT_GET_SOURCE_INFO   0x3A8
320  #define H_INT_SET_SOURCE_CONFIG 0x3AC
321  #define H_INT_GET_SOURCE_CONFIG 0x3B0
322  #define H_INT_GET_QUEUE_INFO    0x3B4
323  #define H_INT_SET_QUEUE_CONFIG  0x3B8
324  #define H_INT_GET_QUEUE_CONFIG  0x3BC
325  #define H_INT_SET_OS_REPORTING_LINE 0x3C0
326  #define H_INT_GET_OS_REPORTING_LINE 0x3C4
327  #define H_INT_ESB               0x3C8
328  #define H_INT_SYNC              0x3CC
329  #define H_INT_RESET             0x3D0
330  #define H_SCM_READ_METADATA     0x3E4
331  #define H_SCM_WRITE_METADATA    0x3E8
332  #define H_SCM_BIND_MEM          0x3EC
333  #define H_SCM_UNBIND_MEM        0x3F0
334  #define H_SCM_QUERY_BLOCK_MEM_BINDING 0x3F4
335  #define H_SCM_QUERY_LOGICAL_MEM_BINDING 0x3F8
336  #define H_SCM_UNBIND_ALL        0x3FC
337  #define H_SCM_HEALTH            0x400
338  #define H_SCM_PERFORMANCE_STATS 0x418
339  #define H_PKS_GET_CONFIG	0x41C
340  #define H_PKS_SET_PASSWORD	0x420
341  #define H_PKS_GEN_PASSWORD	0x424
342  #define H_PKS_WRITE_OBJECT	0x42C
343  #define H_PKS_GEN_KEY		0x430
344  #define H_PKS_READ_OBJECT	0x434
345  #define H_PKS_REMOVE_OBJECT	0x438
346  #define H_PKS_CONFIRM_OBJECT_FLUSHED	0x43C
347  #define H_RPT_INVALIDATE	0x448
348  #define H_SCM_FLUSH		0x44C
349  #define H_GET_ENERGY_SCALE_INFO	0x450
350  #define H_PKS_SIGNED_UPDATE	0x454
351  #define H_WATCHDOG		0x45C
352  #define H_GUEST_GET_CAPABILITIES 0x460
353  #define H_GUEST_SET_CAPABILITIES 0x464
354  #define H_GUEST_CREATE		0x470
355  #define H_GUEST_CREATE_VCPU	0x474
356  #define H_GUEST_GET_STATE	0x478
357  #define H_GUEST_SET_STATE	0x47C
358  #define H_GUEST_RUN_VCPU	0x480
359  #define H_GUEST_COPY_MEMORY	0x484
360  #define H_GUEST_DELETE		0x488
361  #define MAX_HCALL_OPCODE	H_GUEST_DELETE
362  
363  /* Scope args for H_SCM_UNBIND_ALL */
364  #define H_UNBIND_SCOPE_ALL (0x1)
365  #define H_UNBIND_SCOPE_DRC (0x2)
366  
367  /* H_VIOCTL functions */
368  #define H_GET_VIOA_DUMP_SIZE	0x01
369  #define H_GET_VIOA_DUMP		0x02
370  #define H_GET_ILLAN_NUM_VLAN_IDS 0x03
371  #define H_GET_ILLAN_VLAN_ID_LIST 0x04
372  #define H_GET_ILLAN_SWITCH_ID	0x05
373  #define H_DISABLE_MIGRATION	0x06
374  #define H_ENABLE_MIGRATION	0x07
375  #define H_GET_PARTNER_INFO	0x08
376  #define H_GET_PARTNER_WWPN_LIST	0x09
377  #define H_DISABLE_ALL_VIO_INTS	0x0A
378  #define H_DISABLE_VIO_INTERRUPT	0x0B
379  #define H_ENABLE_VIO_INTERRUPT	0x0C
380  #define H_GET_SESSION_TOKEN	0x19
381  #define H_SESSION_ERR_DETECTED	0x1A
382  
383  
384  /* Platform specific hcalls, used by KVM */
385  #define H_RTAS			0xf000
386  
387  /*
388   * Platform specific hcalls, used by QEMU/SLOF. These are ignored by
389   * KVM and only kept here so we can identify them during tracing.
390   */
391  #define H_LOGICAL_MEMOP  0xF001
392  #define H_CAS            0XF002
393  #define H_UPDATE_DT      0XF003
394  
395  /* "Platform specific hcalls", provided by PHYP */
396  #define H_GET_24X7_CATALOG_PAGE	0xF078
397  #define H_GET_24X7_DATA		0xF07C
398  #define H_GET_PERF_COUNTER_INFO	0xF080
399  
400  /* Platform-specific hcalls used for nested HV KVM */
401  #define H_SET_PARTITION_TABLE	0xF800
402  #define H_ENTER_NESTED		0xF804
403  #define H_TLB_INVALIDATE	0xF808
404  #define H_COPY_TOFROM_GUEST	0xF80C
405  
406  /* Flags for H_SVM_PAGE_IN */
407  #define H_PAGE_IN_SHARED        0x1
408  
409  /* Platform-specific hcalls used by the Ultravisor */
410  #define H_SVM_PAGE_IN		0xEF00
411  #define H_SVM_PAGE_OUT		0xEF04
412  #define H_SVM_INIT_START	0xEF08
413  #define H_SVM_INIT_DONE		0xEF0C
414  #define H_SVM_INIT_ABORT	0xEF14
415  
416  /* Values for 2nd argument to H_SET_MODE */
417  #define H_SET_MODE_RESOURCE_SET_CIABR		1
418  #define H_SET_MODE_RESOURCE_SET_DAWR0		2
419  #define H_SET_MODE_RESOURCE_ADDR_TRANS_MODE	3
420  #define H_SET_MODE_RESOURCE_LE			4
421  #define H_SET_MODE_RESOURCE_SET_DAWR1		5
422  
423  /* Values for argument to H_SIGNAL_SYS_RESET */
424  #define H_SIGNAL_SYS_RESET_ALL			-1
425  #define H_SIGNAL_SYS_RESET_ALL_OTHERS		-2
426  /* >= 0 values are CPU number */
427  
428  /* H_GET_CPU_CHARACTERISTICS return values */
429  #define H_CPU_CHAR_SPEC_BAR_ORI31	(1ull << 63) // IBM bit 0
430  #define H_CPU_CHAR_BCCTRL_SERIALISED	(1ull << 62) // IBM bit 1
431  #define H_CPU_CHAR_L1D_FLUSH_ORI30	(1ull << 61) // IBM bit 2
432  #define H_CPU_CHAR_L1D_FLUSH_TRIG2	(1ull << 60) // IBM bit 3
433  #define H_CPU_CHAR_L1D_THREAD_PRIV	(1ull << 59) // IBM bit 4
434  #define H_CPU_CHAR_BRANCH_HINTS_HONORED	(1ull << 58) // IBM bit 5
435  #define H_CPU_CHAR_THREAD_RECONFIG_CTRL	(1ull << 57) // IBM bit 6
436  #define H_CPU_CHAR_COUNT_CACHE_DISABLED	(1ull << 56) // IBM bit 7
437  #define H_CPU_CHAR_BCCTR_FLUSH_ASSIST	(1ull << 54) // IBM bit 9
438  #define H_CPU_CHAR_BCCTR_LINK_FLUSH_ASSIST (1ull << 52) // IBM bit 11
439  
440  #define H_CPU_BEHAV_FAVOUR_SECURITY	(1ull << 63) // IBM bit 0
441  #define H_CPU_BEHAV_L1D_FLUSH_PR	(1ull << 62) // IBM bit 1
442  #define H_CPU_BEHAV_BNDS_CHK_SPEC_BAR	(1ull << 61) // IBM bit 2
443  #define H_CPU_BEHAV_FAVOUR_SECURITY_H	(1ull << 60) // IBM bit 3
444  #define H_CPU_BEHAV_FLUSH_COUNT_CACHE	(1ull << 58) // IBM bit 5
445  #define H_CPU_BEHAV_FLUSH_LINK_STACK	(1ull << 57) // IBM bit 6
446  #define H_CPU_BEHAV_NO_L1D_FLUSH_ENTRY	(1ull << 56) // IBM bit 7
447  #define H_CPU_BEHAV_NO_L1D_FLUSH_UACCESS (1ull << 55) // IBM bit 8
448  #define H_CPU_BEHAV_NO_STF_BARRIER	(1ull << 54) // IBM bit 9
449  
450  /* Flag values used in H_REGISTER_PROC_TBL hcall */
451  #define PROC_TABLE_OP_MASK	0x18
452  #define PROC_TABLE_DEREG	0x10
453  #define PROC_TABLE_NEW		0x18
454  #define PROC_TABLE_TYPE_MASK	0x06
455  #define PROC_TABLE_HPT_SLB	0x00
456  #define PROC_TABLE_HPT_PT	0x02
457  #define PROC_TABLE_RADIX	0x04
458  #define PROC_TABLE_GTSE		0x01
459  
460  /*
461   * Defines for
462   * H_RPT_INVALIDATE - Invalidate RPT translation lookaside information.
463   */
464  
465  /* Type of translation to invalidate (type) */
466  #define H_RPTI_TYPE_NESTED	0x0001	/* Invalidate nested guest partition-scope */
467  #define H_RPTI_TYPE_TLB		0x0002	/* Invalidate TLB */
468  #define H_RPTI_TYPE_PWC		0x0004	/* Invalidate Page Walk Cache */
469  /* Invalidate caching of Process Table Entries if H_RPTI_TYPE_NESTED is clear */
470  #define H_RPTI_TYPE_PRT		0x0008
471  /* Invalidate caching of Partition Table Entries if H_RPTI_TYPE_NESTED is set */
472  #define H_RPTI_TYPE_PAT		0x0008
473  #define H_RPTI_TYPE_ALL		(H_RPTI_TYPE_TLB | H_RPTI_TYPE_PWC | \
474  				 H_RPTI_TYPE_PRT)
475  #define H_RPTI_TYPE_NESTED_ALL	(H_RPTI_TYPE_TLB | H_RPTI_TYPE_PWC | \
476  				 H_RPTI_TYPE_PAT)
477  
478  /* Invalidation targets (target) */
479  #define H_RPTI_TARGET_CMMU		0x01 /* All virtual processors in the partition */
480  #define H_RPTI_TARGET_CMMU_LOCAL	0x02 /* Current virtual processor */
481  /* All nest/accelerator agents in use by the partition */
482  #define H_RPTI_TARGET_NMMU		0x04
483  
484  /* Page size mask (page sizes) */
485  #define H_RPTI_PAGE_4K	0x01
486  #define H_RPTI_PAGE_64K	0x02
487  #define H_RPTI_PAGE_2M	0x04
488  #define H_RPTI_PAGE_1G	0x08
489  #define H_RPTI_PAGE_ALL (-1UL)
490  
491  /* Flags for H_GUEST_{S,G}_STATE */
492  #define H_GUEST_FLAGS_WIDE     (1UL<<(63-0))
493  
494  /* Flag values used for H_{S,G}SET_GUEST_CAPABILITIES */
495  #define H_GUEST_CAP_COPY_MEM	(1UL<<(63-0))
496  #define H_GUEST_CAP_POWER9	(1UL<<(63-1))
497  #define H_GUEST_CAP_POWER10	(1UL<<(63-2))
498  #define H_GUEST_CAP_BITMAP2	(1UL<<(63-63))
499  
500  #ifndef __ASSEMBLY__
501  #include <linux/types.h>
502  
503  /**
504   * plpar_hcall_norets: - Make a pseries hypervisor call with no return arguments
505   * @opcode: The hypervisor call to make.
506   *
507   * This call supports up to 7 arguments and only returns the status of
508   * the hcall. Use this version where possible, its slightly faster than
509   * the other plpar_hcalls.
510   */
511  long plpar_hcall_norets(unsigned long opcode, ...);
512  
513  /* Variant which does not do hcall tracing */
514  long plpar_hcall_norets_notrace(unsigned long opcode, ...);
515  
516  /**
517   * plpar_hcall: - Make a pseries hypervisor call
518   * @opcode: The hypervisor call to make.
519   * @retbuf: Buffer to store up to 4 return arguments in.
520   *
521   * This call supports up to 6 arguments and 4 return arguments. Use
522   * PLPAR_HCALL_BUFSIZE to size the return argument buffer.
523   *
524   * Used for all but the craziest of phyp interfaces (see plpar_hcall9)
525   */
526  #define PLPAR_HCALL_BUFSIZE 4
527  long plpar_hcall(unsigned long opcode, unsigned long retbuf[static PLPAR_HCALL_BUFSIZE], ...);
528  
529  /**
530   * plpar_hcall_raw: - Make a hypervisor call without calculating hcall stats
531   * @opcode: The hypervisor call to make.
532   * @retbuf: Buffer to store up to 4 return arguments in.
533   *
534   * This call supports up to 6 arguments and 4 return arguments. Use
535   * PLPAR_HCALL_BUFSIZE to size the return argument buffer.
536   *
537   * Used when phyp interface needs to be called in real mode. Similar to
538   * plpar_hcall, but plpar_hcall_raw works in real mode and does not
539   * calculate hypervisor call statistics.
540   */
541  long plpar_hcall_raw(unsigned long opcode, unsigned long retbuf[static PLPAR_HCALL_BUFSIZE], ...);
542  
543  /**
544   * plpar_hcall9: - Make a pseries hypervisor call with up to 9 return arguments
545   * @opcode: The hypervisor call to make.
546   * @retbuf: Buffer to store up to 9 return arguments in.
547   *
548   * This call supports up to 9 arguments and 9 return arguments. Use
549   * PLPAR_HCALL9_BUFSIZE to size the return argument buffer.
550   */
551  #define PLPAR_HCALL9_BUFSIZE 9
552  long plpar_hcall9(unsigned long opcode, unsigned long retbuf[static PLPAR_HCALL9_BUFSIZE], ...);
553  long plpar_hcall9_raw(unsigned long opcode, unsigned long retbuf[static PLPAR_HCALL9_BUFSIZE], ...);
554  
555  /* pseries hcall tracing */
556  extern struct static_key hcall_tracepoint_key;
557  void __trace_hcall_entry(unsigned long opcode, unsigned long *args);
558  void __trace_hcall_exit(long opcode, long retval, unsigned long *retbuf);
559  
560  struct hvcall_mpp_data {
561  	unsigned long entitled_mem;
562  	unsigned long mapped_mem;
563  	unsigned short group_num;
564  	unsigned short pool_num;
565  	unsigned char mem_weight;
566  	unsigned char unallocated_mem_weight;
567  	unsigned long unallocated_entitlement;  /* value in bytes */
568  	unsigned long pool_size;
569  	signed long loan_request;
570  	unsigned long backing_mem;
571  };
572  
573  long h_get_mpp(struct hvcall_mpp_data *mpp_data);
574  
575  struct hvcall_mpp_x_data {
576  	unsigned long coalesced_bytes;
577  	unsigned long pool_coalesced_bytes;
578  	unsigned long pool_purr_cycles;
579  	unsigned long pool_spurr_cycles;
580  	unsigned long reserved[3];
581  };
582  
583  int h_get_mpp_x(struct hvcall_mpp_x_data *mpp_x_data);
584  
get_longbusy_msecs(int longbusy_rc)585  static inline unsigned int get_longbusy_msecs(int longbusy_rc)
586  {
587  	switch (longbusy_rc) {
588  	case H_LONG_BUSY_ORDER_1_MSEC:
589  		return 1;
590  	case H_LONG_BUSY_ORDER_10_MSEC:
591  		return 10;
592  	case H_LONG_BUSY_ORDER_100_MSEC:
593  		return 100;
594  	case H_LONG_BUSY_ORDER_1_SEC:
595  		return 1000;
596  	case H_LONG_BUSY_ORDER_10_SEC:
597  		return 10000;
598  	case H_LONG_BUSY_ORDER_100_SEC:
599  		return 100000;
600  	default:
601  		return 1;
602  	}
603  }
604  
605  struct h_cpu_char_result {
606  	u64 character;
607  	u64 behaviour;
608  };
609  
610  /*
611   * Register state for entering a nested guest with H_ENTER_NESTED.
612   * New member must be added at the end.
613   */
614  struct hv_guest_state {
615  	u64 version;		/* version of this structure layout, must be first */
616  	u32 lpid;
617  	u32 vcpu_token;
618  	/* These registers are hypervisor privileged (at least for writing) */
619  	u64 lpcr;
620  	u64 pcr;
621  	u64 amor;
622  	u64 dpdes;
623  	u64 hfscr;
624  	s64 tb_offset;
625  	u64 dawr0;
626  	u64 dawrx0;
627  	u64 ciabr;
628  	u64 hdec_expiry;
629  	u64 purr;
630  	u64 spurr;
631  	u64 ic;
632  	u64 vtb;
633  	u64 hdar;
634  	u64 hdsisr;
635  	u64 heir;
636  	u64 asdr;
637  	/* These are OS privileged but need to be set late in guest entry */
638  	u64 srr0;
639  	u64 srr1;
640  	u64 sprg[4];
641  	u64 pidr;
642  	u64 cfar;
643  	u64 ppr;
644  	/* Version 1 ends here */
645  	u64 dawr1;
646  	u64 dawrx1;
647  	/* Version 2 ends here */
648  };
649  
650  /* Latest version of hv_guest_state structure */
651  #define HV_GUEST_STATE_VERSION	2
652  
hv_guest_state_size(unsigned int version)653  static inline int hv_guest_state_size(unsigned int version)
654  {
655  	switch (version) {
656  	case 1:
657  		return offsetofend(struct hv_guest_state, ppr);
658  	case 2:
659  		return offsetofend(struct hv_guest_state, dawrx1);
660  	default:
661  		return -1;
662  	}
663  }
664  
665  /*
666   * From the document "H_GetPerformanceCounterInfo Interface" v1.07
667   *
668   * H_GET_PERF_COUNTER_INFO argument
669   */
670  struct hv_get_perf_counter_info_params {
671  	__be32 counter_request; /* I */
672  	__be32 starting_index;  /* IO */
673  	__be16 secondary_index; /* IO */
674  	__be16 returned_values; /* O */
675  	__be32 detail_rc; /* O, only needed when called via *_norets() */
676  
677  	/*
678  	 * O, size each of counter_value element in bytes, only set for version
679  	 * >= 0x3
680  	 */
681  	__be16 cv_element_size;
682  
683  	/* I, 0 (zero) for versions < 0x3 */
684  	__u8 counter_info_version_in;
685  
686  	/* O, 0 (zero) if version < 0x3. Must be set to 0 when making hcall */
687  	__u8 counter_info_version_out;
688  	__u8 reserved[0xC];
689  	__u8 counter_value[];
690  } __packed;
691  
692  #define HGPCI_REQ_BUFFER_SIZE	4096
693  #define HGPCI_MAX_DATA_BYTES \
694  	(HGPCI_REQ_BUFFER_SIZE - sizeof(struct hv_get_perf_counter_info_params))
695  
696  struct hv_gpci_request_buffer {
697  	struct hv_get_perf_counter_info_params params;
698  	uint8_t bytes[HGPCI_MAX_DATA_BYTES];
699  } __packed;
700  
701  #endif /* __ASSEMBLY__ */
702  #endif /* __KERNEL__ */
703  #endif /* _ASM_POWERPC_HVCALL_H */
704