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