xref: /openbmc/qemu/include/hw/ppc/spapr.h (revision 7a1bfee6)
1 #ifndef HW_SPAPR_H
2 #define HW_SPAPR_H
3 
4 #include "qemu/units.h"
5 #include "sysemu/dma.h"
6 #include "hw/boards.h"
7 #include "hw/ppc/spapr_drc.h"
8 #include "hw/mem/pc-dimm.h"
9 #include "hw/ppc/spapr_ovec.h"
10 #include "hw/ppc/spapr_irq.h"
11 #include "hw/ppc/spapr_xive.h"  /* For SpaprXive */
12 #include "hw/ppc/xics.h"        /* For ICSState */
13 #include "hw/ppc/spapr_tpm_proxy.h"
14 
15 struct SpaprVioBus;
16 struct SpaprPhbState;
17 struct SpaprNvram;
18 
19 typedef struct SpaprEventLogEntry SpaprEventLogEntry;
20 typedef struct SpaprEventSource SpaprEventSource;
21 typedef struct SpaprPendingHpt SpaprPendingHpt;
22 
23 #define HPTE64_V_HPTE_DIRTY     0x0000000000000040ULL
24 #define SPAPR_ENTRY_POINT       0x100
25 
26 #define SPAPR_TIMEBASE_FREQ     512000000ULL
27 
28 #define TYPE_SPAPR_RTC "spapr-rtc"
29 
30 #define SPAPR_RTC(obj)                                  \
31     OBJECT_CHECK(SpaprRtcState, (obj), TYPE_SPAPR_RTC)
32 
33 typedef struct SpaprRtcState SpaprRtcState;
34 struct SpaprRtcState {
35     /*< private >*/
36     DeviceState parent_obj;
37     int64_t ns_offset;
38 };
39 
40 typedef struct SpaprDimmState SpaprDimmState;
41 typedef struct SpaprMachineClass SpaprMachineClass;
42 
43 #define TYPE_SPAPR_MACHINE      "spapr-machine"
44 #define SPAPR_MACHINE(obj) \
45     OBJECT_CHECK(SpaprMachineState, (obj), TYPE_SPAPR_MACHINE)
46 #define SPAPR_MACHINE_GET_CLASS(obj) \
47     OBJECT_GET_CLASS(SpaprMachineClass, obj, TYPE_SPAPR_MACHINE)
48 #define SPAPR_MACHINE_CLASS(klass) \
49     OBJECT_CLASS_CHECK(SpaprMachineClass, klass, TYPE_SPAPR_MACHINE)
50 
51 typedef enum {
52     SPAPR_RESIZE_HPT_DEFAULT = 0,
53     SPAPR_RESIZE_HPT_DISABLED,
54     SPAPR_RESIZE_HPT_ENABLED,
55     SPAPR_RESIZE_HPT_REQUIRED,
56 } SpaprResizeHpt;
57 
58 /**
59  * Capabilities
60  */
61 
62 /* Hardware Transactional Memory */
63 #define SPAPR_CAP_HTM                   0x00
64 /* Vector Scalar Extensions */
65 #define SPAPR_CAP_VSX                   0x01
66 /* Decimal Floating Point */
67 #define SPAPR_CAP_DFP                   0x02
68 /* Cache Flush on Privilege Change */
69 #define SPAPR_CAP_CFPC                  0x03
70 /* Speculation Barrier Bounds Checking */
71 #define SPAPR_CAP_SBBC                  0x04
72 /* Indirect Branch Serialisation */
73 #define SPAPR_CAP_IBS                   0x05
74 /* HPT Maximum Page Size (encoded as a shift) */
75 #define SPAPR_CAP_HPT_MAXPAGESIZE       0x06
76 /* Nested KVM-HV */
77 #define SPAPR_CAP_NESTED_KVM_HV         0x07
78 /* Large Decrementer */
79 #define SPAPR_CAP_LARGE_DECREMENTER     0x08
80 /* Count Cache Flush Assist HW Instruction */
81 #define SPAPR_CAP_CCF_ASSIST            0x09
82 /* Implements PAPR FWNMI option */
83 #define SPAPR_CAP_FWNMI                 0x0A
84 /* Num Caps */
85 #define SPAPR_CAP_NUM                   (SPAPR_CAP_FWNMI + 1)
86 
87 /*
88  * Capability Values
89  */
90 /* Bool Caps */
91 #define SPAPR_CAP_OFF                   0x00
92 #define SPAPR_CAP_ON                    0x01
93 
94 /* Custom Caps */
95 
96 /* Generic */
97 #define SPAPR_CAP_BROKEN                0x00
98 #define SPAPR_CAP_WORKAROUND            0x01
99 #define SPAPR_CAP_FIXED                 0x02
100 /* SPAPR_CAP_IBS (cap-ibs) */
101 #define SPAPR_CAP_FIXED_IBS             0x02
102 #define SPAPR_CAP_FIXED_CCD             0x03
103 #define SPAPR_CAP_FIXED_NA              0x10 /* Lets leave a bit of a gap... */
104 
105 #define FDT_MAX_SIZE                    0x100000
106 
107 typedef struct SpaprCapabilities SpaprCapabilities;
108 struct SpaprCapabilities {
109     uint8_t caps[SPAPR_CAP_NUM];
110 };
111 
112 /**
113  * SpaprMachineClass:
114  */
115 struct SpaprMachineClass {
116     /*< private >*/
117     MachineClass parent_class;
118 
119     /*< public >*/
120     bool dr_lmb_enabled;       /* enable dynamic-reconfig/hotplug of LMBs */
121     bool dr_phb_enabled;       /* enable dynamic-reconfig/hotplug of PHBs */
122     bool update_dt_enabled;    /* enable KVMPPC_H_UPDATE_DT */
123     bool use_ohci_by_default;  /* use USB-OHCI instead of XHCI */
124     bool pre_2_10_has_unused_icps;
125     bool legacy_irq_allocation;
126     uint32_t nr_xirqs;
127     bool broken_host_serial_model; /* present real host info to the guest */
128     bool pre_4_1_migration; /* don't migrate hpt-max-page-size */
129     bool linux_pci_probe;
130     bool smp_threads_vsmt; /* set VSMT to smp_threads by default */
131     hwaddr rma_limit;          /* clamp the RMA to this size */
132 
133     void (*phb_placement)(SpaprMachineState *spapr, uint32_t index,
134                           uint64_t *buid, hwaddr *pio,
135                           hwaddr *mmio32, hwaddr *mmio64,
136                           unsigned n_dma, uint32_t *liobns, hwaddr *nv2gpa,
137                           hwaddr *nv2atsd, Error **errp);
138     SpaprResizeHpt resize_hpt_default;
139     SpaprCapabilities default_caps;
140     SpaprIrq *irq;
141 };
142 
143 /**
144  * SpaprMachineState:
145  */
146 struct SpaprMachineState {
147     /*< private >*/
148     MachineState parent_obj;
149 
150     struct SpaprVioBus *vio_bus;
151     QLIST_HEAD(, SpaprPhbState) phbs;
152     struct SpaprNvram *nvram;
153     SpaprRtcState rtc;
154 
155     SpaprResizeHpt resize_hpt;
156     void *htab;
157     uint32_t htab_shift;
158     uint64_t patb_entry; /* Process tbl registed in H_REGISTER_PROCESS_TABLE */
159     SpaprPendingHpt *pending_hpt; /* in-progress resize */
160 
161     hwaddr rma_size;
162     uint32_t fdt_size;
163     uint32_t fdt_initial_size;
164     void *fdt_blob;
165     long kernel_size;
166     bool kernel_le;
167     uint64_t kernel_addr;
168     uint32_t initrd_base;
169     long initrd_size;
170     uint64_t rtc_offset; /* Now used only during incoming migration */
171     struct PPCTimebase tb;
172     bool has_graphics;
173     uint32_t vsmt;       /* Virtual SMT mode (KVM's "core stride") */
174 
175     Notifier epow_notifier;
176     QTAILQ_HEAD(, SpaprEventLogEntry) pending_events;
177     bool use_hotplug_event_source;
178     SpaprEventSource *event_sources;
179 
180     /* ibm,client-architecture-support option negotiation */
181     bool cas_pre_isa3_guest;
182     SpaprOptionVector *ov5;         /* QEMU-supported option vectors */
183     SpaprOptionVector *ov5_cas;     /* negotiated (via CAS) option vectors */
184     uint32_t max_compat_pvr;
185 
186     /* Migration state */
187     int htab_save_index;
188     bool htab_first_pass;
189     int htab_fd;
190 
191     /* Pending DIMM unplug cache. It is populated when a LMB
192      * unplug starts. It can be regenerated if a migration
193      * occurs during the unplug process. */
194     QTAILQ_HEAD(, SpaprDimmState) pending_dimm_unplugs;
195 
196     /* State related to FWNMI option */
197 
198     /* System Reset and Machine Check Notification Routine addresses
199      * registered by "ibm,nmi-register" RTAS call.
200      */
201     target_ulong fwnmi_system_reset_addr;
202     target_ulong fwnmi_machine_check_addr;
203 
204     /* Machine Check FWNMI synchronization, fwnmi_machine_check_interlock is
205      * set to -1 if a FWNMI machine check is not in progress, else is set to
206      * the CPU that was delivered the machine check, and is set back to -1
207      * when that CPU makes an "ibm,nmi-interlock" RTAS call. The cond is used
208      * to synchronize other CPUs.
209      */
210     int fwnmi_machine_check_interlock;
211     QemuCond fwnmi_machine_check_interlock_cond;
212 
213     /*< public >*/
214     char *kvm_type;
215     char *host_model;
216     char *host_serial;
217 
218     int32_t irq_map_nr;
219     unsigned long *irq_map;
220     SpaprIrq *irq;
221     qemu_irq *qirqs;
222     SpaprInterruptController *active_intc;
223     ICSState *ics;
224     SpaprXive *xive;
225 
226     bool cmd_line_caps[SPAPR_CAP_NUM];
227     SpaprCapabilities def, eff, mig;
228 
229     unsigned gpu_numa_id;
230     SpaprTpmProxy *tpm_proxy;
231 
232     Error *fwnmi_migration_blocker;
233 };
234 
235 #define H_SUCCESS         0
236 #define H_BUSY            1        /* Hardware busy -- retry later */
237 #define H_CLOSED          2        /* Resource closed */
238 #define H_NOT_AVAILABLE   3
239 #define H_CONSTRAINED     4        /* Resource request constrained to max allowed */
240 #define H_PARTIAL         5
241 #define H_IN_PROGRESS     14       /* Kind of like busy */
242 #define H_PAGE_REGISTERED 15
243 #define H_PARTIAL_STORE   16
244 #define H_PENDING         17       /* returned from H_POLL_PENDING */
245 #define H_CONTINUE        18       /* Returned from H_Join on success */
246 #define H_LONG_BUSY_START_RANGE         9900  /* Start of long busy range */
247 #define H_LONG_BUSY_ORDER_1_MSEC        9900  /* Long busy, hint that 1msec \
248                                                  is a good time to retry */
249 #define H_LONG_BUSY_ORDER_10_MSEC       9901  /* Long busy, hint that 10msec \
250                                                  is a good time to retry */
251 #define H_LONG_BUSY_ORDER_100_MSEC      9902  /* Long busy, hint that 100msec \
252                                                  is a good time to retry */
253 #define H_LONG_BUSY_ORDER_1_SEC         9903  /* Long busy, hint that 1sec \
254                                                  is a good time to retry */
255 #define H_LONG_BUSY_ORDER_10_SEC        9904  /* Long busy, hint that 10sec \
256                                                  is a good time to retry */
257 #define H_LONG_BUSY_ORDER_100_SEC       9905  /* Long busy, hint that 100sec \
258                                                  is a good time to retry */
259 #define H_LONG_BUSY_END_RANGE           9905  /* End of long busy range */
260 #define H_HARDWARE        -1       /* Hardware error */
261 #define H_FUNCTION        -2       /* Function not supported */
262 #define H_PRIVILEGE       -3       /* Caller not privileged */
263 #define H_PARAMETER       -4       /* Parameter invalid, out-of-range or conflicting */
264 #define H_BAD_MODE        -5       /* Illegal msr value */
265 #define H_PTEG_FULL       -6       /* PTEG is full */
266 #define H_NOT_FOUND       -7       /* PTE was not found" */
267 #define H_RESERVED_DABR   -8       /* DABR address is reserved by the hypervisor on this processor" */
268 #define H_NO_MEM          -9
269 #define H_AUTHORITY       -10
270 #define H_PERMISSION      -11
271 #define H_DROPPED         -12
272 #define H_SOURCE_PARM     -13
273 #define H_DEST_PARM       -14
274 #define H_REMOTE_PARM     -15
275 #define H_RESOURCE        -16
276 #define H_ADAPTER_PARM    -17
277 #define H_RH_PARM         -18
278 #define H_RCQ_PARM        -19
279 #define H_SCQ_PARM        -20
280 #define H_EQ_PARM         -21
281 #define H_RT_PARM         -22
282 #define H_ST_PARM         -23
283 #define H_SIGT_PARM       -24
284 #define H_TOKEN_PARM      -25
285 #define H_MLENGTH_PARM    -27
286 #define H_MEM_PARM        -28
287 #define H_MEM_ACCESS_PARM -29
288 #define H_ATTR_PARM       -30
289 #define H_PORT_PARM       -31
290 #define H_MCG_PARM        -32
291 #define H_VL_PARM         -33
292 #define H_TSIZE_PARM      -34
293 #define H_TRACE_PARM      -35
294 
295 #define H_MASK_PARM       -37
296 #define H_MCG_FULL        -38
297 #define H_ALIAS_EXIST     -39
298 #define H_P_COUNTER       -40
299 #define H_TABLE_FULL      -41
300 #define H_ALT_TABLE       -42
301 #define H_MR_CONDITION    -43
302 #define H_NOT_ENOUGH_RESOURCES -44
303 #define H_R_STATE         -45
304 #define H_RESCINDEND      -46
305 #define H_P2              -55
306 #define H_P3              -56
307 #define H_P4              -57
308 #define H_P5              -58
309 #define H_P6              -59
310 #define H_P7              -60
311 #define H_P8              -61
312 #define H_P9              -62
313 #define H_OVERLAP         -68
314 #define H_UNSUPPORTED_FLAG -256
315 #define H_MULTI_THREADS_ACTIVE -9005
316 
317 
318 /* Long Busy is a condition that can be returned by the firmware
319  * when a call cannot be completed now, but the identical call
320  * should be retried later.  This prevents calls blocking in the
321  * firmware for long periods of time.  Annoyingly the firmware can return
322  * a range of return codes, hinting at how long we should wait before
323  * retrying.  If you don't care for the hint, the macro below is a good
324  * way to check for the long_busy return codes
325  */
326 #define H_IS_LONG_BUSY(x)  ((x >= H_LONG_BUSY_START_RANGE) \
327                             && (x <= H_LONG_BUSY_END_RANGE))
328 
329 /* Flags */
330 #define H_LARGE_PAGE      (1ULL<<(63-16))
331 #define H_EXACT           (1ULL<<(63-24))       /* Use exact PTE or return H_PTEG_FULL */
332 #define H_R_XLATE         (1ULL<<(63-25))       /* include a valid logical page num in the pte if the valid bit is set */
333 #define H_READ_4          (1ULL<<(63-26))       /* Return 4 PTEs */
334 #define H_PAGE_STATE_CHANGE (1ULL<<(63-28))
335 #define H_PAGE_UNUSED     ((1ULL<<(63-29)) | (1ULL<<(63-30)))
336 #define H_PAGE_SET_UNUSED (H_PAGE_STATE_CHANGE | H_PAGE_UNUSED)
337 #define H_PAGE_SET_LOANED (H_PAGE_SET_UNUSED | (1ULL<<(63-31)))
338 #define H_PAGE_SET_ACTIVE H_PAGE_STATE_CHANGE
339 #define H_AVPN            (1ULL<<(63-32))       /* An avpn is provided as a sanity test */
340 #define H_ANDCOND         (1ULL<<(63-33))
341 #define H_ICACHE_INVALIDATE (1ULL<<(63-40))     /* icbi, etc.  (ignored for IO pages) */
342 #define H_ICACHE_SYNCHRONIZE (1ULL<<(63-41))    /* dcbst, icbi, etc (ignored for IO pages */
343 #define H_ZERO_PAGE       (1ULL<<(63-48))       /* zero the page before mapping (ignored for IO pages) */
344 #define H_COPY_PAGE       (1ULL<<(63-49))
345 #define H_N               (1ULL<<(63-61))
346 #define H_PP1             (1ULL<<(63-62))
347 #define H_PP2             (1ULL<<(63-63))
348 
349 /* Values for 2nd argument to H_SET_MODE */
350 #define H_SET_MODE_RESOURCE_SET_CIABR           1
351 #define H_SET_MODE_RESOURCE_SET_DAWR            2
352 #define H_SET_MODE_RESOURCE_ADDR_TRANS_MODE     3
353 #define H_SET_MODE_RESOURCE_LE                  4
354 
355 /* Flags for H_SET_MODE_RESOURCE_LE */
356 #define H_SET_MODE_ENDIAN_BIG    0
357 #define H_SET_MODE_ENDIAN_LITTLE 1
358 
359 /* VASI States */
360 #define H_VASI_INVALID    0
361 #define H_VASI_ENABLED    1
362 #define H_VASI_ABORTED    2
363 #define H_VASI_SUSPENDING 3
364 #define H_VASI_SUSPENDED  4
365 #define H_VASI_RESUMED    5
366 #define H_VASI_COMPLETED  6
367 
368 /* DABRX flags */
369 #define H_DABRX_HYPERVISOR (1ULL<<(63-61))
370 #define H_DABRX_KERNEL     (1ULL<<(63-62))
371 #define H_DABRX_USER       (1ULL<<(63-63))
372 
373 /* Values for KVM_PPC_GET_CPU_CHAR & H_GET_CPU_CHARACTERISTICS */
374 #define H_CPU_CHAR_SPEC_BAR_ORI31               PPC_BIT(0)
375 #define H_CPU_CHAR_BCCTRL_SERIALISED            PPC_BIT(1)
376 #define H_CPU_CHAR_L1D_FLUSH_ORI30              PPC_BIT(2)
377 #define H_CPU_CHAR_L1D_FLUSH_TRIG2              PPC_BIT(3)
378 #define H_CPU_CHAR_L1D_THREAD_PRIV              PPC_BIT(4)
379 #define H_CPU_CHAR_HON_BRANCH_HINTS             PPC_BIT(5)
380 #define H_CPU_CHAR_THR_RECONF_TRIG              PPC_BIT(6)
381 #define H_CPU_CHAR_CACHE_COUNT_DIS              PPC_BIT(7)
382 #define H_CPU_CHAR_BCCTR_FLUSH_ASSIST           PPC_BIT(9)
383 #define H_CPU_BEHAV_FAVOUR_SECURITY             PPC_BIT(0)
384 #define H_CPU_BEHAV_L1D_FLUSH_PR                PPC_BIT(1)
385 #define H_CPU_BEHAV_BNDS_CHK_SPEC_BAR           PPC_BIT(2)
386 #define H_CPU_BEHAV_FLUSH_COUNT_CACHE           PPC_BIT(5)
387 
388 /* Each control block has to be on a 4K boundary */
389 #define H_CB_ALIGNMENT     4096
390 
391 /* pSeries hypervisor opcodes */
392 #define H_REMOVE                0x04
393 #define H_ENTER                 0x08
394 #define H_READ                  0x0c
395 #define H_CLEAR_MOD             0x10
396 #define H_CLEAR_REF             0x14
397 #define H_PROTECT               0x18
398 #define H_GET_TCE               0x1c
399 #define H_PUT_TCE               0x20
400 #define H_SET_SPRG0             0x24
401 #define H_SET_DABR              0x28
402 #define H_PAGE_INIT             0x2c
403 #define H_SET_ASR               0x30
404 #define H_ASR_ON                0x34
405 #define H_ASR_OFF               0x38
406 #define H_LOGICAL_CI_LOAD       0x3c
407 #define H_LOGICAL_CI_STORE      0x40
408 #define H_LOGICAL_CACHE_LOAD    0x44
409 #define H_LOGICAL_CACHE_STORE   0x48
410 #define H_LOGICAL_ICBI          0x4c
411 #define H_LOGICAL_DCBF          0x50
412 #define H_GET_TERM_CHAR         0x54
413 #define H_PUT_TERM_CHAR         0x58
414 #define H_REAL_TO_LOGICAL       0x5c
415 #define H_HYPERVISOR_DATA       0x60
416 #define H_EOI                   0x64
417 #define H_CPPR                  0x68
418 #define H_IPI                   0x6c
419 #define H_IPOLL                 0x70
420 #define H_XIRR                  0x74
421 #define H_PERFMON               0x7c
422 #define H_MIGRATE_DMA           0x78
423 #define H_REGISTER_VPA          0xDC
424 #define H_CEDE                  0xE0
425 #define H_CONFER                0xE4
426 #define H_PROD                  0xE8
427 #define H_GET_PPP               0xEC
428 #define H_SET_PPP               0xF0
429 #define H_PURR                  0xF4
430 #define H_PIC                   0xF8
431 #define H_REG_CRQ               0xFC
432 #define H_FREE_CRQ              0x100
433 #define H_VIO_SIGNAL            0x104
434 #define H_SEND_CRQ              0x108
435 #define H_COPY_RDMA             0x110
436 #define H_REGISTER_LOGICAL_LAN  0x114
437 #define H_FREE_LOGICAL_LAN      0x118
438 #define H_ADD_LOGICAL_LAN_BUFFER 0x11C
439 #define H_SEND_LOGICAL_LAN      0x120
440 #define H_BULK_REMOVE           0x124
441 #define H_MULTICAST_CTRL        0x130
442 #define H_SET_XDABR             0x134
443 #define H_STUFF_TCE             0x138
444 #define H_PUT_TCE_INDIRECT      0x13C
445 #define H_CHANGE_LOGICAL_LAN_MAC 0x14C
446 #define H_VTERM_PARTNER_INFO    0x150
447 #define H_REGISTER_VTERM        0x154
448 #define H_FREE_VTERM            0x158
449 #define H_RESET_EVENTS          0x15C
450 #define H_ALLOC_RESOURCE        0x160
451 #define H_FREE_RESOURCE         0x164
452 #define H_MODIFY_QP             0x168
453 #define H_QUERY_QP              0x16C
454 #define H_REREGISTER_PMR        0x170
455 #define H_REGISTER_SMR          0x174
456 #define H_QUERY_MR              0x178
457 #define H_QUERY_MW              0x17C
458 #define H_QUERY_HCA             0x180
459 #define H_QUERY_PORT            0x184
460 #define H_MODIFY_PORT           0x188
461 #define H_DEFINE_AQP1           0x18C
462 #define H_GET_TRACE_BUFFER      0x190
463 #define H_DEFINE_AQP0           0x194
464 #define H_RESIZE_MR             0x198
465 #define H_ATTACH_MCQP           0x19C
466 #define H_DETACH_MCQP           0x1A0
467 #define H_CREATE_RPT            0x1A4
468 #define H_REMOVE_RPT            0x1A8
469 #define H_REGISTER_RPAGES       0x1AC
470 #define H_DISABLE_AND_GETC      0x1B0
471 #define H_ERROR_DATA            0x1B4
472 #define H_GET_HCA_INFO          0x1B8
473 #define H_GET_PERF_COUNT        0x1BC
474 #define H_MANAGE_TRACE          0x1C0
475 #define H_GET_CPU_CHARACTERISTICS 0x1C8
476 #define H_FREE_LOGICAL_LAN_BUFFER 0x1D4
477 #define H_QUERY_INT_STATE       0x1E4
478 #define H_POLL_PENDING          0x1D8
479 #define H_ILLAN_ATTRIBUTES      0x244
480 #define H_MODIFY_HEA_QP         0x250
481 #define H_QUERY_HEA_QP          0x254
482 #define H_QUERY_HEA             0x258
483 #define H_QUERY_HEA_PORT        0x25C
484 #define H_MODIFY_HEA_PORT       0x260
485 #define H_REG_BCMC              0x264
486 #define H_DEREG_BCMC            0x268
487 #define H_REGISTER_HEA_RPAGES   0x26C
488 #define H_DISABLE_AND_GET_HEA   0x270
489 #define H_GET_HEA_INFO          0x274
490 #define H_ALLOC_HEA_RESOURCE    0x278
491 #define H_ADD_CONN              0x284
492 #define H_DEL_CONN              0x288
493 #define H_JOIN                  0x298
494 #define H_VASI_STATE            0x2A4
495 #define H_ENABLE_CRQ            0x2B0
496 #define H_GET_EM_PARMS          0x2B8
497 #define H_SET_MPP               0x2D0
498 #define H_GET_MPP               0x2D4
499 #define H_HOME_NODE_ASSOCIATIVITY 0x2EC
500 #define H_XIRR_X                0x2FC
501 #define H_RANDOM                0x300
502 #define H_SET_MODE              0x31C
503 #define H_RESIZE_HPT_PREPARE    0x36C
504 #define H_RESIZE_HPT_COMMIT     0x370
505 #define H_CLEAN_SLB             0x374
506 #define H_INVALIDATE_PID        0x378
507 #define H_REGISTER_PROC_TBL     0x37C
508 #define H_SIGNAL_SYS_RESET      0x380
509 
510 #define H_INT_GET_SOURCE_INFO   0x3A8
511 #define H_INT_SET_SOURCE_CONFIG 0x3AC
512 #define H_INT_GET_SOURCE_CONFIG 0x3B0
513 #define H_INT_GET_QUEUE_INFO    0x3B4
514 #define H_INT_SET_QUEUE_CONFIG  0x3B8
515 #define H_INT_GET_QUEUE_CONFIG  0x3BC
516 #define H_INT_SET_OS_REPORTING_LINE 0x3C0
517 #define H_INT_GET_OS_REPORTING_LINE 0x3C4
518 #define H_INT_ESB               0x3C8
519 #define H_INT_SYNC              0x3CC
520 #define H_INT_RESET             0x3D0
521 #define H_SCM_READ_METADATA     0x3E4
522 #define H_SCM_WRITE_METADATA    0x3E8
523 #define H_SCM_BIND_MEM          0x3EC
524 #define H_SCM_UNBIND_MEM        0x3F0
525 #define H_SCM_UNBIND_ALL        0x3FC
526 
527 #define MAX_HCALL_OPCODE        H_SCM_UNBIND_ALL
528 
529 /* The hcalls above are standardized in PAPR and implemented by pHyp
530  * as well.
531  *
532  * We also need some hcalls which are specific to qemu / KVM-on-POWER.
533  * We put those into the 0xf000-0xfffc range which is reserved by PAPR
534  * for "platform-specific" hcalls.
535  */
536 #define KVMPPC_HCALL_BASE       0xf000
537 #define KVMPPC_H_RTAS           (KVMPPC_HCALL_BASE + 0x0)
538 #define KVMPPC_H_LOGICAL_MEMOP  (KVMPPC_HCALL_BASE + 0x1)
539 /* Client Architecture support */
540 #define KVMPPC_H_CAS            (KVMPPC_HCALL_BASE + 0x2)
541 #define KVMPPC_H_UPDATE_DT      (KVMPPC_HCALL_BASE + 0x3)
542 #define KVMPPC_HCALL_MAX        KVMPPC_H_UPDATE_DT
543 
544 /*
545  * The hcall range 0xEF00 to 0xEF80 is reserved for use in facilitating
546  * Secure VM mode via an Ultravisor / Protected Execution Facility
547  */
548 #define SVM_HCALL_BASE              0xEF00
549 #define SVM_H_TPM_COMM              0xEF10
550 #define SVM_HCALL_MAX               SVM_H_TPM_COMM
551 
552 
553 typedef struct SpaprDeviceTreeUpdateHeader {
554     uint32_t version_id;
555 } SpaprDeviceTreeUpdateHeader;
556 
557 #define hcall_dprintf(fmt, ...) \
558     do { \
559         qemu_log_mask(LOG_GUEST_ERROR, "%s: " fmt, __func__, ## __VA_ARGS__); \
560     } while (0)
561 
562 typedef target_ulong (*spapr_hcall_fn)(PowerPCCPU *cpu, SpaprMachineState *sm,
563                                        target_ulong opcode,
564                                        target_ulong *args);
565 
566 void spapr_register_hypercall(target_ulong opcode, spapr_hcall_fn fn);
567 target_ulong spapr_hypercall(PowerPCCPU *cpu, target_ulong opcode,
568                              target_ulong *args);
569 
570 target_ulong do_client_architecture_support(PowerPCCPU *cpu,
571                                             SpaprMachineState *spapr,
572                                             target_ulong addr,
573                                             target_ulong fdt_bufsize);
574 
575 /* Virtual Processor Area structure constants */
576 #define VPA_MIN_SIZE           640
577 #define VPA_SIZE_OFFSET        0x4
578 #define VPA_SHARED_PROC_OFFSET 0x9
579 #define VPA_SHARED_PROC_VAL    0x2
580 #define VPA_DISPATCH_COUNTER   0x100
581 
582 /* ibm,set-eeh-option */
583 #define RTAS_EEH_DISABLE                 0
584 #define RTAS_EEH_ENABLE                  1
585 #define RTAS_EEH_THAW_IO                 2
586 #define RTAS_EEH_THAW_DMA                3
587 
588 /* ibm,get-config-addr-info2 */
589 #define RTAS_GET_PE_ADDR                 0
590 #define RTAS_GET_PE_MODE                 1
591 #define RTAS_PE_MODE_NONE                0
592 #define RTAS_PE_MODE_NOT_SHARED          1
593 #define RTAS_PE_MODE_SHARED              2
594 
595 /* ibm,read-slot-reset-state2 */
596 #define RTAS_EEH_PE_STATE_NORMAL         0
597 #define RTAS_EEH_PE_STATE_RESET          1
598 #define RTAS_EEH_PE_STATE_STOPPED_IO_DMA 2
599 #define RTAS_EEH_PE_STATE_STOPPED_DMA    4
600 #define RTAS_EEH_PE_STATE_UNAVAIL        5
601 #define RTAS_EEH_NOT_SUPPORT             0
602 #define RTAS_EEH_SUPPORT                 1
603 #define RTAS_EEH_PE_UNAVAIL_INFO         1000
604 #define RTAS_EEH_PE_RECOVER_INFO         0
605 
606 /* ibm,set-slot-reset */
607 #define RTAS_SLOT_RESET_DEACTIVATE       0
608 #define RTAS_SLOT_RESET_HOT              1
609 #define RTAS_SLOT_RESET_FUNDAMENTAL      3
610 
611 /* ibm,slot-error-detail */
612 #define RTAS_SLOT_TEMP_ERR_LOG           1
613 #define RTAS_SLOT_PERM_ERR_LOG           2
614 
615 /* RTAS return codes */
616 #define RTAS_OUT_SUCCESS                        0
617 #define RTAS_OUT_NO_ERRORS_FOUND                1
618 #define RTAS_OUT_HW_ERROR                       -1
619 #define RTAS_OUT_BUSY                           -2
620 #define RTAS_OUT_PARAM_ERROR                    -3
621 #define RTAS_OUT_NOT_SUPPORTED                  -3
622 #define RTAS_OUT_NO_SUCH_INDICATOR              -3
623 #define RTAS_OUT_NOT_AUTHORIZED                 -9002
624 #define RTAS_OUT_SYSPARM_PARAM_ERROR            -9999
625 
626 /* DDW pagesize mask values from ibm,query-pe-dma-window */
627 #define RTAS_DDW_PGSIZE_4K       0x01
628 #define RTAS_DDW_PGSIZE_64K      0x02
629 #define RTAS_DDW_PGSIZE_16M      0x04
630 #define RTAS_DDW_PGSIZE_32M      0x08
631 #define RTAS_DDW_PGSIZE_64M      0x10
632 #define RTAS_DDW_PGSIZE_128M     0x20
633 #define RTAS_DDW_PGSIZE_256M     0x40
634 #define RTAS_DDW_PGSIZE_16G      0x80
635 
636 /* RTAS tokens */
637 #define RTAS_TOKEN_BASE      0x2000
638 
639 #define RTAS_DISPLAY_CHARACTER                  (RTAS_TOKEN_BASE + 0x00)
640 #define RTAS_GET_TIME_OF_DAY                    (RTAS_TOKEN_BASE + 0x01)
641 #define RTAS_SET_TIME_OF_DAY                    (RTAS_TOKEN_BASE + 0x02)
642 #define RTAS_POWER_OFF                          (RTAS_TOKEN_BASE + 0x03)
643 #define RTAS_SYSTEM_REBOOT                      (RTAS_TOKEN_BASE + 0x04)
644 #define RTAS_QUERY_CPU_STOPPED_STATE            (RTAS_TOKEN_BASE + 0x05)
645 #define RTAS_START_CPU                          (RTAS_TOKEN_BASE + 0x06)
646 #define RTAS_STOP_SELF                          (RTAS_TOKEN_BASE + 0x07)
647 #define RTAS_IBM_GET_SYSTEM_PARAMETER           (RTAS_TOKEN_BASE + 0x08)
648 #define RTAS_IBM_SET_SYSTEM_PARAMETER           (RTAS_TOKEN_BASE + 0x09)
649 #define RTAS_IBM_SET_XIVE                       (RTAS_TOKEN_BASE + 0x0A)
650 #define RTAS_IBM_GET_XIVE                       (RTAS_TOKEN_BASE + 0x0B)
651 #define RTAS_IBM_INT_OFF                        (RTAS_TOKEN_BASE + 0x0C)
652 #define RTAS_IBM_INT_ON                         (RTAS_TOKEN_BASE + 0x0D)
653 #define RTAS_CHECK_EXCEPTION                    (RTAS_TOKEN_BASE + 0x0E)
654 #define RTAS_EVENT_SCAN                         (RTAS_TOKEN_BASE + 0x0F)
655 #define RTAS_IBM_SET_TCE_BYPASS                 (RTAS_TOKEN_BASE + 0x10)
656 #define RTAS_QUIESCE                            (RTAS_TOKEN_BASE + 0x11)
657 #define RTAS_NVRAM_FETCH                        (RTAS_TOKEN_BASE + 0x12)
658 #define RTAS_NVRAM_STORE                        (RTAS_TOKEN_BASE + 0x13)
659 #define RTAS_READ_PCI_CONFIG                    (RTAS_TOKEN_BASE + 0x14)
660 #define RTAS_WRITE_PCI_CONFIG                   (RTAS_TOKEN_BASE + 0x15)
661 #define RTAS_IBM_READ_PCI_CONFIG                (RTAS_TOKEN_BASE + 0x16)
662 #define RTAS_IBM_WRITE_PCI_CONFIG               (RTAS_TOKEN_BASE + 0x17)
663 #define RTAS_IBM_QUERY_INTERRUPT_SOURCE_NUMBER  (RTAS_TOKEN_BASE + 0x18)
664 #define RTAS_IBM_CHANGE_MSI                     (RTAS_TOKEN_BASE + 0x19)
665 #define RTAS_SET_INDICATOR                      (RTAS_TOKEN_BASE + 0x1A)
666 #define RTAS_SET_POWER_LEVEL                    (RTAS_TOKEN_BASE + 0x1B)
667 #define RTAS_GET_POWER_LEVEL                    (RTAS_TOKEN_BASE + 0x1C)
668 #define RTAS_GET_SENSOR_STATE                   (RTAS_TOKEN_BASE + 0x1D)
669 #define RTAS_IBM_CONFIGURE_CONNECTOR            (RTAS_TOKEN_BASE + 0x1E)
670 #define RTAS_IBM_OS_TERM                        (RTAS_TOKEN_BASE + 0x1F)
671 #define RTAS_IBM_SET_EEH_OPTION                 (RTAS_TOKEN_BASE + 0x20)
672 #define RTAS_IBM_GET_CONFIG_ADDR_INFO2          (RTAS_TOKEN_BASE + 0x21)
673 #define RTAS_IBM_READ_SLOT_RESET_STATE2         (RTAS_TOKEN_BASE + 0x22)
674 #define RTAS_IBM_SET_SLOT_RESET                 (RTAS_TOKEN_BASE + 0x23)
675 #define RTAS_IBM_CONFIGURE_PE                   (RTAS_TOKEN_BASE + 0x24)
676 #define RTAS_IBM_SLOT_ERROR_DETAIL              (RTAS_TOKEN_BASE + 0x25)
677 #define RTAS_IBM_QUERY_PE_DMA_WINDOW            (RTAS_TOKEN_BASE + 0x26)
678 #define RTAS_IBM_CREATE_PE_DMA_WINDOW           (RTAS_TOKEN_BASE + 0x27)
679 #define RTAS_IBM_REMOVE_PE_DMA_WINDOW           (RTAS_TOKEN_BASE + 0x28)
680 #define RTAS_IBM_RESET_PE_DMA_WINDOW            (RTAS_TOKEN_BASE + 0x29)
681 #define RTAS_IBM_SUSPEND_ME                     (RTAS_TOKEN_BASE + 0x2A)
682 #define RTAS_IBM_NMI_REGISTER                   (RTAS_TOKEN_BASE + 0x2B)
683 #define RTAS_IBM_NMI_INTERLOCK                  (RTAS_TOKEN_BASE + 0x2C)
684 
685 #define RTAS_TOKEN_MAX                          (RTAS_TOKEN_BASE + 0x2D)
686 
687 /* RTAS ibm,get-system-parameter token values */
688 #define RTAS_SYSPARM_SPLPAR_CHARACTERISTICS      20
689 #define RTAS_SYSPARM_DIAGNOSTICS_RUN_MODE        42
690 #define RTAS_SYSPARM_UUID                        48
691 
692 /* RTAS indicator/sensor types
693  *
694  * as defined by PAPR+ 2.7 7.3.5.4, Table 41
695  *
696  * NOTE: currently only DR-related sensors are implemented here
697  */
698 #define RTAS_SENSOR_TYPE_ISOLATION_STATE        9001
699 #define RTAS_SENSOR_TYPE_DR                     9002
700 #define RTAS_SENSOR_TYPE_ALLOCATION_STATE       9003
701 #define RTAS_SENSOR_TYPE_ENTITY_SENSE RTAS_SENSOR_TYPE_ALLOCATION_STATE
702 
703 /* Possible values for the platform-processor-diagnostics-run-mode parameter
704  * of the RTAS ibm,get-system-parameter call.
705  */
706 #define DIAGNOSTICS_RUN_MODE_DISABLED  0
707 #define DIAGNOSTICS_RUN_MODE_STAGGERED 1
708 #define DIAGNOSTICS_RUN_MODE_IMMEDIATE 2
709 #define DIAGNOSTICS_RUN_MODE_PERIODIC  3
710 
711 static inline uint64_t ppc64_phys_to_real(uint64_t addr)
712 {
713     return addr & ~0xF000000000000000ULL;
714 }
715 
716 static inline uint32_t rtas_ld(target_ulong phys, int n)
717 {
718     return ldl_be_phys(&address_space_memory, ppc64_phys_to_real(phys + 4*n));
719 }
720 
721 static inline uint64_t rtas_ldq(target_ulong phys, int n)
722 {
723     return (uint64_t)rtas_ld(phys, n) << 32 | rtas_ld(phys, n + 1);
724 }
725 
726 static inline void rtas_st(target_ulong phys, int n, uint32_t val)
727 {
728     stl_be_phys(&address_space_memory, ppc64_phys_to_real(phys + 4*n), val);
729 }
730 
731 typedef void (*spapr_rtas_fn)(PowerPCCPU *cpu, SpaprMachineState *sm,
732                               uint32_t token,
733                               uint32_t nargs, target_ulong args,
734                               uint32_t nret, target_ulong rets);
735 void spapr_rtas_register(int token, const char *name, spapr_rtas_fn fn);
736 target_ulong spapr_rtas_call(PowerPCCPU *cpu, SpaprMachineState *sm,
737                              uint32_t token, uint32_t nargs, target_ulong args,
738                              uint32_t nret, target_ulong rets);
739 void spapr_dt_rtas_tokens(void *fdt, int rtas);
740 void spapr_load_rtas(SpaprMachineState *spapr, void *fdt, hwaddr addr);
741 
742 #define SPAPR_TCE_PAGE_SHIFT   12
743 #define SPAPR_TCE_PAGE_SIZE    (1ULL << SPAPR_TCE_PAGE_SHIFT)
744 #define SPAPR_TCE_PAGE_MASK    (SPAPR_TCE_PAGE_SIZE - 1)
745 
746 #define SPAPR_VIO_BASE_LIOBN    0x00000000
747 #define SPAPR_VIO_LIOBN(reg)    (0x00000000 | (reg))
748 #define SPAPR_PCI_LIOBN(phb_index, window_num) \
749     (0x80000000 | ((phb_index) << 8) | (window_num))
750 #define SPAPR_IS_PCI_LIOBN(liobn)   (!!((liobn) & 0x80000000))
751 #define SPAPR_PCI_DMA_WINDOW_NUM(liobn) ((liobn) & 0xff)
752 
753 #define RTAS_SIZE               2048
754 #define RTAS_ERROR_LOG_MAX      2048
755 
756 /* Offset from rtas-base where error log is placed */
757 #define RTAS_ERROR_LOG_OFFSET       0x30
758 
759 #define RTAS_EVENT_SCAN_RATE    1
760 
761 /* This helper should be used to encode interrupt specifiers when the related
762  * "interrupt-controller" node has its "#interrupt-cells" property set to 2 (ie,
763  * VIO devices, RTAS event sources and PHBs).
764  */
765 static inline void spapr_dt_irq(uint32_t *intspec, int irq, bool is_lsi)
766 {
767     intspec[0] = cpu_to_be32(irq);
768     intspec[1] = is_lsi ? cpu_to_be32(1) : 0;
769 }
770 
771 typedef struct SpaprTceTable SpaprTceTable;
772 
773 #define TYPE_SPAPR_TCE_TABLE "spapr-tce-table"
774 #define SPAPR_TCE_TABLE(obj) \
775     OBJECT_CHECK(SpaprTceTable, (obj), TYPE_SPAPR_TCE_TABLE)
776 
777 #define TYPE_SPAPR_IOMMU_MEMORY_REGION "spapr-iommu-memory-region"
778 #define SPAPR_IOMMU_MEMORY_REGION(obj) \
779         OBJECT_CHECK(IOMMUMemoryRegion, (obj), TYPE_SPAPR_IOMMU_MEMORY_REGION)
780 
781 struct SpaprTceTable {
782     DeviceState parent;
783     uint32_t liobn;
784     uint32_t nb_table;
785     uint64_t bus_offset;
786     uint32_t page_shift;
787     uint64_t *table;
788     uint32_t mig_nb_table;
789     uint64_t *mig_table;
790     bool bypass;
791     bool need_vfio;
792     bool skipping_replay;
793     int fd;
794     MemoryRegion root;
795     IOMMUMemoryRegion iommu;
796     struct SpaprVioDevice *vdev; /* for @bypass migration compatibility only */
797     QLIST_ENTRY(SpaprTceTable) list;
798 };
799 
800 SpaprTceTable *spapr_tce_find_by_liobn(target_ulong liobn);
801 
802 struct SpaprEventLogEntry {
803     uint32_t summary;
804     uint32_t extended_length;
805     void *extended_log;
806     QTAILQ_ENTRY(SpaprEventLogEntry) next;
807 };
808 
809 void *spapr_build_fdt(SpaprMachineState *spapr, bool reset, size_t space);
810 void spapr_events_init(SpaprMachineState *sm);
811 void spapr_dt_events(SpaprMachineState *sm, void *fdt);
812 void close_htab_fd(SpaprMachineState *spapr);
813 void spapr_setup_hpt(SpaprMachineState *spapr);
814 void spapr_free_hpt(SpaprMachineState *spapr);
815 SpaprTceTable *spapr_tce_new_table(DeviceState *owner, uint32_t liobn);
816 void spapr_tce_table_enable(SpaprTceTable *tcet,
817                             uint32_t page_shift, uint64_t bus_offset,
818                             uint32_t nb_table);
819 void spapr_tce_table_disable(SpaprTceTable *tcet);
820 void spapr_tce_set_need_vfio(SpaprTceTable *tcet, bool need_vfio);
821 
822 MemoryRegion *spapr_tce_get_iommu(SpaprTceTable *tcet);
823 int spapr_dma_dt(void *fdt, int node_off, const char *propname,
824                  uint32_t liobn, uint64_t window, uint32_t size);
825 int spapr_tcet_dma_dt(void *fdt, int node_off, const char *propname,
826                       SpaprTceTable *tcet);
827 void spapr_pci_switch_vga(bool big_endian);
828 void spapr_hotplug_req_add_by_index(SpaprDrc *drc);
829 void spapr_hotplug_req_remove_by_index(SpaprDrc *drc);
830 void spapr_hotplug_req_add_by_count(SpaprDrcType drc_type,
831                                        uint32_t count);
832 void spapr_hotplug_req_remove_by_count(SpaprDrcType drc_type,
833                                           uint32_t count);
834 void spapr_hotplug_req_add_by_count_indexed(SpaprDrcType drc_type,
835                                             uint32_t count, uint32_t index);
836 void spapr_hotplug_req_remove_by_count_indexed(SpaprDrcType drc_type,
837                                                uint32_t count, uint32_t index);
838 int spapr_hpt_shift_for_ramsize(uint64_t ramsize);
839 void spapr_reallocate_hpt(SpaprMachineState *spapr, int shift,
840                           Error **errp);
841 void spapr_clear_pending_events(SpaprMachineState *spapr);
842 void spapr_clear_pending_hotplug_events(SpaprMachineState *spapr);
843 int spapr_max_server_number(SpaprMachineState *spapr);
844 void spapr_store_hpte(PowerPCCPU *cpu, hwaddr ptex,
845                       uint64_t pte0, uint64_t pte1);
846 void spapr_mce_req_event(PowerPCCPU *cpu, bool recovered);
847 
848 /* DRC callbacks. */
849 void spapr_core_release(DeviceState *dev);
850 int spapr_core_dt_populate(SpaprDrc *drc, SpaprMachineState *spapr,
851                            void *fdt, int *fdt_start_offset, Error **errp);
852 void spapr_lmb_release(DeviceState *dev);
853 int spapr_lmb_dt_populate(SpaprDrc *drc, SpaprMachineState *spapr,
854                           void *fdt, int *fdt_start_offset, Error **errp);
855 void spapr_phb_release(DeviceState *dev);
856 int spapr_phb_dt_populate(SpaprDrc *drc, SpaprMachineState *spapr,
857                           void *fdt, int *fdt_start_offset, Error **errp);
858 
859 void spapr_rtc_read(SpaprRtcState *rtc, struct tm *tm, uint32_t *ns);
860 int spapr_rtc_import_offset(SpaprRtcState *rtc, int64_t legacy_offset);
861 
862 #define TYPE_SPAPR_RNG "spapr-rng"
863 
864 #define SPAPR_MEMORY_BLOCK_SIZE ((hwaddr)1 << 28) /* 256MB */
865 
866 /*
867  * This defines the maximum number of DIMM slots we can have for sPAPR
868  * guest. This is not defined by sPAPR but we are defining it to 32 slots
869  * based on default number of slots provided by PowerPC kernel.
870  */
871 #define SPAPR_MAX_RAM_SLOTS     32
872 
873 /* 1GB alignment for hotplug memory region */
874 #define SPAPR_DEVICE_MEM_ALIGN (1 * GiB)
875 
876 /*
877  * Number of 32 bit words in each LMB list entry in ibm,dynamic-memory
878  * property under ibm,dynamic-reconfiguration-memory node.
879  */
880 #define SPAPR_DR_LMB_LIST_ENTRY_SIZE 6
881 
882 /*
883  * Defines for flag value in ibm,dynamic-memory property under
884  * ibm,dynamic-reconfiguration-memory node.
885  */
886 #define SPAPR_LMB_FLAGS_ASSIGNED 0x00000008
887 #define SPAPR_LMB_FLAGS_DRC_INVALID 0x00000020
888 #define SPAPR_LMB_FLAGS_RESERVED 0x00000080
889 
890 void spapr_do_system_reset_on_cpu(CPUState *cs, run_on_cpu_data arg);
891 
892 #define HTAB_SIZE(spapr)        (1ULL << ((spapr)->htab_shift))
893 
894 int spapr_get_vcpu_id(PowerPCCPU *cpu);
895 void spapr_set_vcpu_id(PowerPCCPU *cpu, int cpu_index, Error **errp);
896 PowerPCCPU *spapr_find_cpu(int vcpu_id);
897 
898 int spapr_caps_pre_load(void *opaque);
899 int spapr_caps_pre_save(void *opaque);
900 
901 /*
902  * Handling of optional capabilities
903  */
904 extern const VMStateDescription vmstate_spapr_cap_htm;
905 extern const VMStateDescription vmstate_spapr_cap_vsx;
906 extern const VMStateDescription vmstate_spapr_cap_dfp;
907 extern const VMStateDescription vmstate_spapr_cap_cfpc;
908 extern const VMStateDescription vmstate_spapr_cap_sbbc;
909 extern const VMStateDescription vmstate_spapr_cap_ibs;
910 extern const VMStateDescription vmstate_spapr_cap_hpt_maxpagesize;
911 extern const VMStateDescription vmstate_spapr_cap_nested_kvm_hv;
912 extern const VMStateDescription vmstate_spapr_cap_large_decr;
913 extern const VMStateDescription vmstate_spapr_cap_ccf_assist;
914 extern const VMStateDescription vmstate_spapr_cap_fwnmi;
915 
916 static inline uint8_t spapr_get_cap(SpaprMachineState *spapr, int cap)
917 {
918     return spapr->eff.caps[cap];
919 }
920 
921 void spapr_caps_init(SpaprMachineState *spapr);
922 void spapr_caps_apply(SpaprMachineState *spapr);
923 void spapr_caps_cpu_apply(SpaprMachineState *spapr, PowerPCCPU *cpu);
924 void spapr_caps_add_properties(SpaprMachineClass *smc, Error **errp);
925 int spapr_caps_post_migration(SpaprMachineState *spapr);
926 
927 void spapr_check_pagesize(SpaprMachineState *spapr, hwaddr pagesize,
928                           Error **errp);
929 /*
930  * XIVE definitions
931  */
932 #define SPAPR_OV5_XIVE_LEGACY   0x0
933 #define SPAPR_OV5_XIVE_EXPLOIT  0x40
934 #define SPAPR_OV5_XIVE_BOTH     0x80 /* Only to advertise on the platform */
935 
936 void spapr_set_all_lpcrs(target_ulong value, target_ulong mask);
937 hwaddr spapr_get_rtas_addr(void);
938 #endif /* HW_SPAPR_H */
939