xref: /openbmc/qemu/include/hw/ppc/spapr.h (revision a489d195)
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 "qom/object.h"
12 #include "hw/ppc/spapr_xive.h"  /* For SpaprXive */
13 #include "hw/ppc/xics.h"        /* For ICSState */
14 #include "hw/ppc/spapr_tpm_proxy.h"
15 
16 struct SpaprVioBus;
17 struct SpaprPhbState;
18 struct SpaprNvram;
19 
20 typedef struct SpaprEventLogEntry SpaprEventLogEntry;
21 typedef struct SpaprEventSource SpaprEventSource;
22 typedef struct SpaprPendingHpt SpaprPendingHpt;
23 
24 #define HPTE64_V_HPTE_DIRTY     0x0000000000000040ULL
25 #define SPAPR_ENTRY_POINT       0x100
26 
27 #define SPAPR_TIMEBASE_FREQ     512000000ULL
28 
29 #define TYPE_SPAPR_RTC "spapr-rtc"
30 
31 typedef struct SpaprRtcState SpaprRtcState;
32 DECLARE_INSTANCE_CHECKER(SpaprRtcState, SPAPR_RTC,
33                          TYPE_SPAPR_RTC)
34 
35 struct SpaprRtcState {
36     /*< private >*/
37     DeviceState parent_obj;
38     int64_t ns_offset;
39 };
40 
41 typedef struct SpaprDimmState SpaprDimmState;
42 
43 #define TYPE_SPAPR_MACHINE      "spapr-machine"
44 OBJECT_DECLARE_TYPE(SpaprMachineState, SpaprMachineClass, SPAPR_MACHINE)
45 
46 typedef enum {
47     SPAPR_RESIZE_HPT_DEFAULT = 0,
48     SPAPR_RESIZE_HPT_DISABLED,
49     SPAPR_RESIZE_HPT_ENABLED,
50     SPAPR_RESIZE_HPT_REQUIRED,
51 } SpaprResizeHpt;
52 
53 /**
54  * Capabilities
55  */
56 
57 /* Hardware Transactional Memory */
58 #define SPAPR_CAP_HTM                   0x00
59 /* Vector Scalar Extensions */
60 #define SPAPR_CAP_VSX                   0x01
61 /* Decimal Floating Point */
62 #define SPAPR_CAP_DFP                   0x02
63 /* Cache Flush on Privilege Change */
64 #define SPAPR_CAP_CFPC                  0x03
65 /* Speculation Barrier Bounds Checking */
66 #define SPAPR_CAP_SBBC                  0x04
67 /* Indirect Branch Serialisation */
68 #define SPAPR_CAP_IBS                   0x05
69 /* HPT Maximum Page Size (encoded as a shift) */
70 #define SPAPR_CAP_HPT_MAXPAGESIZE       0x06
71 /* Nested KVM-HV */
72 #define SPAPR_CAP_NESTED_KVM_HV         0x07
73 /* Large Decrementer */
74 #define SPAPR_CAP_LARGE_DECREMENTER     0x08
75 /* Count Cache Flush Assist HW Instruction */
76 #define SPAPR_CAP_CCF_ASSIST            0x09
77 /* Implements PAPR FWNMI option */
78 #define SPAPR_CAP_FWNMI                 0x0A
79 /* Num Caps */
80 #define SPAPR_CAP_NUM                   (SPAPR_CAP_FWNMI + 1)
81 
82 /*
83  * Capability Values
84  */
85 /* Bool Caps */
86 #define SPAPR_CAP_OFF                   0x00
87 #define SPAPR_CAP_ON                    0x01
88 
89 /* Custom Caps */
90 
91 /* Generic */
92 #define SPAPR_CAP_BROKEN                0x00
93 #define SPAPR_CAP_WORKAROUND            0x01
94 #define SPAPR_CAP_FIXED                 0x02
95 /* SPAPR_CAP_IBS (cap-ibs) */
96 #define SPAPR_CAP_FIXED_IBS             0x02
97 #define SPAPR_CAP_FIXED_CCD             0x03
98 #define SPAPR_CAP_FIXED_NA              0x10 /* Lets leave a bit of a gap... */
99 
100 #define FDT_MAX_SIZE                    0x100000
101 
102 /*
103  * NUMA related macros. MAX_DISTANCE_REF_POINTS was taken
104  * from Linux kernel arch/powerpc/mm/numa.h. It represents the
105  * amount of associativity domains for non-CPU resources.
106  *
107  * NUMA_ASSOC_SIZE is the base array size of an ibm,associativity
108  * array for any non-CPU resource.
109  *
110  * VCPU_ASSOC_SIZE represents the size of ibm,associativity array
111  * for CPUs, which has an extra element (vcpu_id) in the end.
112  */
113 #define MAX_DISTANCE_REF_POINTS    4
114 #define NUMA_ASSOC_SIZE            (MAX_DISTANCE_REF_POINTS + 1)
115 #define VCPU_ASSOC_SIZE            (NUMA_ASSOC_SIZE + 1)
116 
117 typedef struct SpaprCapabilities SpaprCapabilities;
118 struct SpaprCapabilities {
119     uint8_t caps[SPAPR_CAP_NUM];
120 };
121 
122 /**
123  * SpaprMachineClass:
124  */
125 struct SpaprMachineClass {
126     /*< private >*/
127     MachineClass parent_class;
128 
129     /*< public >*/
130     bool dr_lmb_enabled;       /* enable dynamic-reconfig/hotplug of LMBs */
131     bool dr_phb_enabled;       /* enable dynamic-reconfig/hotplug of PHBs */
132     bool update_dt_enabled;    /* enable KVMPPC_H_UPDATE_DT */
133     bool use_ohci_by_default;  /* use USB-OHCI instead of XHCI */
134     bool pre_2_10_has_unused_icps;
135     bool legacy_irq_allocation;
136     uint32_t nr_xirqs;
137     bool broken_host_serial_model; /* present real host info to the guest */
138     bool pre_4_1_migration; /* don't migrate hpt-max-page-size */
139     bool linux_pci_probe;
140     bool smp_threads_vsmt; /* set VSMT to smp_threads by default */
141     hwaddr rma_limit;          /* clamp the RMA to this size */
142     bool pre_5_1_assoc_refpoints;
143 
144     void (*phb_placement)(SpaprMachineState *spapr, uint32_t index,
145                           uint64_t *buid, hwaddr *pio,
146                           hwaddr *mmio32, hwaddr *mmio64,
147                           unsigned n_dma, uint32_t *liobns, hwaddr *nv2gpa,
148                           hwaddr *nv2atsd, Error **errp);
149     SpaprResizeHpt resize_hpt_default;
150     SpaprCapabilities default_caps;
151     SpaprIrq *irq;
152 };
153 
154 /**
155  * SpaprMachineState:
156  */
157 struct SpaprMachineState {
158     /*< private >*/
159     MachineState parent_obj;
160 
161     struct SpaprVioBus *vio_bus;
162     QLIST_HEAD(, SpaprPhbState) phbs;
163     struct SpaprNvram *nvram;
164     SpaprRtcState rtc;
165 
166     SpaprResizeHpt resize_hpt;
167     void *htab;
168     uint32_t htab_shift;
169     uint64_t patb_entry; /* Process tbl registed in H_REGISTER_PROCESS_TABLE */
170     SpaprPendingHpt *pending_hpt; /* in-progress resize */
171 
172     hwaddr rma_size;
173     uint32_t fdt_size;
174     uint32_t fdt_initial_size;
175     void *fdt_blob;
176     long kernel_size;
177     bool kernel_le;
178     uint64_t kernel_addr;
179     uint32_t initrd_base;
180     long initrd_size;
181     uint64_t rtc_offset; /* Now used only during incoming migration */
182     struct PPCTimebase tb;
183     bool has_graphics;
184     uint32_t vsmt;       /* Virtual SMT mode (KVM's "core stride") */
185 
186     Notifier epow_notifier;
187     QTAILQ_HEAD(, SpaprEventLogEntry) pending_events;
188     bool use_hotplug_event_source;
189     SpaprEventSource *event_sources;
190 
191     /* ibm,client-architecture-support option negotiation */
192     bool cas_pre_isa3_guest;
193     SpaprOptionVector *ov5;         /* QEMU-supported option vectors */
194     SpaprOptionVector *ov5_cas;     /* negotiated (via CAS) option vectors */
195     uint32_t max_compat_pvr;
196 
197     /* Migration state */
198     int htab_save_index;
199     bool htab_first_pass;
200     int htab_fd;
201 
202     /* Pending DIMM unplug cache. It is populated when a LMB
203      * unplug starts. It can be regenerated if a migration
204      * occurs during the unplug process. */
205     QTAILQ_HEAD(, SpaprDimmState) pending_dimm_unplugs;
206 
207     /* State related to FWNMI option */
208 
209     /* System Reset and Machine Check Notification Routine addresses
210      * registered by "ibm,nmi-register" RTAS call.
211      */
212     target_ulong fwnmi_system_reset_addr;
213     target_ulong fwnmi_machine_check_addr;
214 
215     /* Machine Check FWNMI synchronization, fwnmi_machine_check_interlock is
216      * set to -1 if a FWNMI machine check is not in progress, else is set to
217      * the CPU that was delivered the machine check, and is set back to -1
218      * when that CPU makes an "ibm,nmi-interlock" RTAS call. The cond is used
219      * to synchronize other CPUs.
220      */
221     int fwnmi_machine_check_interlock;
222     QemuCond fwnmi_machine_check_interlock_cond;
223 
224     /*< public >*/
225     char *kvm_type;
226     char *host_model;
227     char *host_serial;
228 
229     int32_t irq_map_nr;
230     unsigned long *irq_map;
231     SpaprIrq *irq;
232     qemu_irq *qirqs;
233     SpaprInterruptController *active_intc;
234     ICSState *ics;
235     SpaprXive *xive;
236 
237     bool cmd_line_caps[SPAPR_CAP_NUM];
238     SpaprCapabilities def, eff, mig;
239 
240     unsigned gpu_numa_id;
241     SpaprTpmProxy *tpm_proxy;
242 
243     uint32_t numa_assoc_array[MAX_NODES][NUMA_ASSOC_SIZE];
244 
245     Error *fwnmi_migration_blocker;
246 };
247 
248 #define H_SUCCESS         0
249 #define H_BUSY            1        /* Hardware busy -- retry later */
250 #define H_CLOSED          2        /* Resource closed */
251 #define H_NOT_AVAILABLE   3
252 #define H_CONSTRAINED     4        /* Resource request constrained to max allowed */
253 #define H_PARTIAL         5
254 #define H_IN_PROGRESS     14       /* Kind of like busy */
255 #define H_PAGE_REGISTERED 15
256 #define H_PARTIAL_STORE   16
257 #define H_PENDING         17       /* returned from H_POLL_PENDING */
258 #define H_CONTINUE        18       /* Returned from H_Join on success */
259 #define H_LONG_BUSY_START_RANGE         9900  /* Start of long busy range */
260 #define H_LONG_BUSY_ORDER_1_MSEC        9900  /* Long busy, hint that 1msec \
261                                                  is a good time to retry */
262 #define H_LONG_BUSY_ORDER_10_MSEC       9901  /* Long busy, hint that 10msec \
263                                                  is a good time to retry */
264 #define H_LONG_BUSY_ORDER_100_MSEC      9902  /* Long busy, hint that 100msec \
265                                                  is a good time to retry */
266 #define H_LONG_BUSY_ORDER_1_SEC         9903  /* Long busy, hint that 1sec \
267                                                  is a good time to retry */
268 #define H_LONG_BUSY_ORDER_10_SEC        9904  /* Long busy, hint that 10sec \
269                                                  is a good time to retry */
270 #define H_LONG_BUSY_ORDER_100_SEC       9905  /* Long busy, hint that 100sec \
271                                                  is a good time to retry */
272 #define H_LONG_BUSY_END_RANGE           9905  /* End of long busy range */
273 #define H_HARDWARE        -1       /* Hardware error */
274 #define H_FUNCTION        -2       /* Function not supported */
275 #define H_PRIVILEGE       -3       /* Caller not privileged */
276 #define H_PARAMETER       -4       /* Parameter invalid, out-of-range or conflicting */
277 #define H_BAD_MODE        -5       /* Illegal msr value */
278 #define H_PTEG_FULL       -6       /* PTEG is full */
279 #define H_NOT_FOUND       -7       /* PTE was not found" */
280 #define H_RESERVED_DABR   -8       /* DABR address is reserved by the hypervisor on this processor" */
281 #define H_NO_MEM          -9
282 #define H_AUTHORITY       -10
283 #define H_PERMISSION      -11
284 #define H_DROPPED         -12
285 #define H_SOURCE_PARM     -13
286 #define H_DEST_PARM       -14
287 #define H_REMOTE_PARM     -15
288 #define H_RESOURCE        -16
289 #define H_ADAPTER_PARM    -17
290 #define H_RH_PARM         -18
291 #define H_RCQ_PARM        -19
292 #define H_SCQ_PARM        -20
293 #define H_EQ_PARM         -21
294 #define H_RT_PARM         -22
295 #define H_ST_PARM         -23
296 #define H_SIGT_PARM       -24
297 #define H_TOKEN_PARM      -25
298 #define H_MLENGTH_PARM    -27
299 #define H_MEM_PARM        -28
300 #define H_MEM_ACCESS_PARM -29
301 #define H_ATTR_PARM       -30
302 #define H_PORT_PARM       -31
303 #define H_MCG_PARM        -32
304 #define H_VL_PARM         -33
305 #define H_TSIZE_PARM      -34
306 #define H_TRACE_PARM      -35
307 
308 #define H_MASK_PARM       -37
309 #define H_MCG_FULL        -38
310 #define H_ALIAS_EXIST     -39
311 #define H_P_COUNTER       -40
312 #define H_TABLE_FULL      -41
313 #define H_ALT_TABLE       -42
314 #define H_MR_CONDITION    -43
315 #define H_NOT_ENOUGH_RESOURCES -44
316 #define H_R_STATE         -45
317 #define H_RESCINDEND      -46
318 #define H_P2              -55
319 #define H_P3              -56
320 #define H_P4              -57
321 #define H_P5              -58
322 #define H_P6              -59
323 #define H_P7              -60
324 #define H_P8              -61
325 #define H_P9              -62
326 #define H_OVERLAP         -68
327 #define H_UNSUPPORTED_FLAG -256
328 #define H_MULTI_THREADS_ACTIVE -9005
329 
330 
331 /* Long Busy is a condition that can be returned by the firmware
332  * when a call cannot be completed now, but the identical call
333  * should be retried later.  This prevents calls blocking in the
334  * firmware for long periods of time.  Annoyingly the firmware can return
335  * a range of return codes, hinting at how long we should wait before
336  * retrying.  If you don't care for the hint, the macro below is a good
337  * way to check for the long_busy return codes
338  */
339 #define H_IS_LONG_BUSY(x)  ((x >= H_LONG_BUSY_START_RANGE) \
340                             && (x <= H_LONG_BUSY_END_RANGE))
341 
342 /* Flags */
343 #define H_LARGE_PAGE      (1ULL<<(63-16))
344 #define H_EXACT           (1ULL<<(63-24))       /* Use exact PTE or return H_PTEG_FULL */
345 #define H_R_XLATE         (1ULL<<(63-25))       /* include a valid logical page num in the pte if the valid bit is set */
346 #define H_READ_4          (1ULL<<(63-26))       /* Return 4 PTEs */
347 #define H_PAGE_STATE_CHANGE (1ULL<<(63-28))
348 #define H_PAGE_UNUSED     ((1ULL<<(63-29)) | (1ULL<<(63-30)))
349 #define H_PAGE_SET_UNUSED (H_PAGE_STATE_CHANGE | H_PAGE_UNUSED)
350 #define H_PAGE_SET_LOANED (H_PAGE_SET_UNUSED | (1ULL<<(63-31)))
351 #define H_PAGE_SET_ACTIVE H_PAGE_STATE_CHANGE
352 #define H_AVPN            (1ULL<<(63-32))       /* An avpn is provided as a sanity test */
353 #define H_ANDCOND         (1ULL<<(63-33))
354 #define H_ICACHE_INVALIDATE (1ULL<<(63-40))     /* icbi, etc.  (ignored for IO pages) */
355 #define H_ICACHE_SYNCHRONIZE (1ULL<<(63-41))    /* dcbst, icbi, etc (ignored for IO pages */
356 #define H_ZERO_PAGE       (1ULL<<(63-48))       /* zero the page before mapping (ignored for IO pages) */
357 #define H_COPY_PAGE       (1ULL<<(63-49))
358 #define H_N               (1ULL<<(63-61))
359 #define H_PP1             (1ULL<<(63-62))
360 #define H_PP2             (1ULL<<(63-63))
361 
362 /* Values for 2nd argument to H_SET_MODE */
363 #define H_SET_MODE_RESOURCE_SET_CIABR           1
364 #define H_SET_MODE_RESOURCE_SET_DAWR            2
365 #define H_SET_MODE_RESOURCE_ADDR_TRANS_MODE     3
366 #define H_SET_MODE_RESOURCE_LE                  4
367 
368 /* Flags for H_SET_MODE_RESOURCE_LE */
369 #define H_SET_MODE_ENDIAN_BIG    0
370 #define H_SET_MODE_ENDIAN_LITTLE 1
371 
372 /* VASI States */
373 #define H_VASI_INVALID    0
374 #define H_VASI_ENABLED    1
375 #define H_VASI_ABORTED    2
376 #define H_VASI_SUSPENDING 3
377 #define H_VASI_SUSPENDED  4
378 #define H_VASI_RESUMED    5
379 #define H_VASI_COMPLETED  6
380 
381 /* DABRX flags */
382 #define H_DABRX_HYPERVISOR (1ULL<<(63-61))
383 #define H_DABRX_KERNEL     (1ULL<<(63-62))
384 #define H_DABRX_USER       (1ULL<<(63-63))
385 
386 /* Values for KVM_PPC_GET_CPU_CHAR & H_GET_CPU_CHARACTERISTICS */
387 #define H_CPU_CHAR_SPEC_BAR_ORI31               PPC_BIT(0)
388 #define H_CPU_CHAR_BCCTRL_SERIALISED            PPC_BIT(1)
389 #define H_CPU_CHAR_L1D_FLUSH_ORI30              PPC_BIT(2)
390 #define H_CPU_CHAR_L1D_FLUSH_TRIG2              PPC_BIT(3)
391 #define H_CPU_CHAR_L1D_THREAD_PRIV              PPC_BIT(4)
392 #define H_CPU_CHAR_HON_BRANCH_HINTS             PPC_BIT(5)
393 #define H_CPU_CHAR_THR_RECONF_TRIG              PPC_BIT(6)
394 #define H_CPU_CHAR_CACHE_COUNT_DIS              PPC_BIT(7)
395 #define H_CPU_CHAR_BCCTR_FLUSH_ASSIST           PPC_BIT(9)
396 #define H_CPU_BEHAV_FAVOUR_SECURITY             PPC_BIT(0)
397 #define H_CPU_BEHAV_L1D_FLUSH_PR                PPC_BIT(1)
398 #define H_CPU_BEHAV_BNDS_CHK_SPEC_BAR           PPC_BIT(2)
399 #define H_CPU_BEHAV_FLUSH_COUNT_CACHE           PPC_BIT(5)
400 
401 /* Each control block has to be on a 4K boundary */
402 #define H_CB_ALIGNMENT     4096
403 
404 /* pSeries hypervisor opcodes */
405 #define H_REMOVE                0x04
406 #define H_ENTER                 0x08
407 #define H_READ                  0x0c
408 #define H_CLEAR_MOD             0x10
409 #define H_CLEAR_REF             0x14
410 #define H_PROTECT               0x18
411 #define H_GET_TCE               0x1c
412 #define H_PUT_TCE               0x20
413 #define H_SET_SPRG0             0x24
414 #define H_SET_DABR              0x28
415 #define H_PAGE_INIT             0x2c
416 #define H_SET_ASR               0x30
417 #define H_ASR_ON                0x34
418 #define H_ASR_OFF               0x38
419 #define H_LOGICAL_CI_LOAD       0x3c
420 #define H_LOGICAL_CI_STORE      0x40
421 #define H_LOGICAL_CACHE_LOAD    0x44
422 #define H_LOGICAL_CACHE_STORE   0x48
423 #define H_LOGICAL_ICBI          0x4c
424 #define H_LOGICAL_DCBF          0x50
425 #define H_GET_TERM_CHAR         0x54
426 #define H_PUT_TERM_CHAR         0x58
427 #define H_REAL_TO_LOGICAL       0x5c
428 #define H_HYPERVISOR_DATA       0x60
429 #define H_EOI                   0x64
430 #define H_CPPR                  0x68
431 #define H_IPI                   0x6c
432 #define H_IPOLL                 0x70
433 #define H_XIRR                  0x74
434 #define H_PERFMON               0x7c
435 #define H_MIGRATE_DMA           0x78
436 #define H_REGISTER_VPA          0xDC
437 #define H_CEDE                  0xE0
438 #define H_CONFER                0xE4
439 #define H_PROD                  0xE8
440 #define H_GET_PPP               0xEC
441 #define H_SET_PPP               0xF0
442 #define H_PURR                  0xF4
443 #define H_PIC                   0xF8
444 #define H_REG_CRQ               0xFC
445 #define H_FREE_CRQ              0x100
446 #define H_VIO_SIGNAL            0x104
447 #define H_SEND_CRQ              0x108
448 #define H_COPY_RDMA             0x110
449 #define H_REGISTER_LOGICAL_LAN  0x114
450 #define H_FREE_LOGICAL_LAN      0x118
451 #define H_ADD_LOGICAL_LAN_BUFFER 0x11C
452 #define H_SEND_LOGICAL_LAN      0x120
453 #define H_BULK_REMOVE           0x124
454 #define H_MULTICAST_CTRL        0x130
455 #define H_SET_XDABR             0x134
456 #define H_STUFF_TCE             0x138
457 #define H_PUT_TCE_INDIRECT      0x13C
458 #define H_CHANGE_LOGICAL_LAN_MAC 0x14C
459 #define H_VTERM_PARTNER_INFO    0x150
460 #define H_REGISTER_VTERM        0x154
461 #define H_FREE_VTERM            0x158
462 #define H_RESET_EVENTS          0x15C
463 #define H_ALLOC_RESOURCE        0x160
464 #define H_FREE_RESOURCE         0x164
465 #define H_MODIFY_QP             0x168
466 #define H_QUERY_QP              0x16C
467 #define H_REREGISTER_PMR        0x170
468 #define H_REGISTER_SMR          0x174
469 #define H_QUERY_MR              0x178
470 #define H_QUERY_MW              0x17C
471 #define H_QUERY_HCA             0x180
472 #define H_QUERY_PORT            0x184
473 #define H_MODIFY_PORT           0x188
474 #define H_DEFINE_AQP1           0x18C
475 #define H_GET_TRACE_BUFFER      0x190
476 #define H_DEFINE_AQP0           0x194
477 #define H_RESIZE_MR             0x198
478 #define H_ATTACH_MCQP           0x19C
479 #define H_DETACH_MCQP           0x1A0
480 #define H_CREATE_RPT            0x1A4
481 #define H_REMOVE_RPT            0x1A8
482 #define H_REGISTER_RPAGES       0x1AC
483 #define H_DISABLE_AND_GETC      0x1B0
484 #define H_ERROR_DATA            0x1B4
485 #define H_GET_HCA_INFO          0x1B8
486 #define H_GET_PERF_COUNT        0x1BC
487 #define H_MANAGE_TRACE          0x1C0
488 #define H_GET_CPU_CHARACTERISTICS 0x1C8
489 #define H_FREE_LOGICAL_LAN_BUFFER 0x1D4
490 #define H_QUERY_INT_STATE       0x1E4
491 #define H_POLL_PENDING          0x1D8
492 #define H_ILLAN_ATTRIBUTES      0x244
493 #define H_MODIFY_HEA_QP         0x250
494 #define H_QUERY_HEA_QP          0x254
495 #define H_QUERY_HEA             0x258
496 #define H_QUERY_HEA_PORT        0x25C
497 #define H_MODIFY_HEA_PORT       0x260
498 #define H_REG_BCMC              0x264
499 #define H_DEREG_BCMC            0x268
500 #define H_REGISTER_HEA_RPAGES   0x26C
501 #define H_DISABLE_AND_GET_HEA   0x270
502 #define H_GET_HEA_INFO          0x274
503 #define H_ALLOC_HEA_RESOURCE    0x278
504 #define H_ADD_CONN              0x284
505 #define H_DEL_CONN              0x288
506 #define H_JOIN                  0x298
507 #define H_VASI_STATE            0x2A4
508 #define H_ENABLE_CRQ            0x2B0
509 #define H_GET_EM_PARMS          0x2B8
510 #define H_SET_MPP               0x2D0
511 #define H_GET_MPP               0x2D4
512 #define H_HOME_NODE_ASSOCIATIVITY 0x2EC
513 #define H_XIRR_X                0x2FC
514 #define H_RANDOM                0x300
515 #define H_SET_MODE              0x31C
516 #define H_RESIZE_HPT_PREPARE    0x36C
517 #define H_RESIZE_HPT_COMMIT     0x370
518 #define H_CLEAN_SLB             0x374
519 #define H_INVALIDATE_PID        0x378
520 #define H_REGISTER_PROC_TBL     0x37C
521 #define H_SIGNAL_SYS_RESET      0x380
522 
523 #define H_INT_GET_SOURCE_INFO   0x3A8
524 #define H_INT_SET_SOURCE_CONFIG 0x3AC
525 #define H_INT_GET_SOURCE_CONFIG 0x3B0
526 #define H_INT_GET_QUEUE_INFO    0x3B4
527 #define H_INT_SET_QUEUE_CONFIG  0x3B8
528 #define H_INT_GET_QUEUE_CONFIG  0x3BC
529 #define H_INT_SET_OS_REPORTING_LINE 0x3C0
530 #define H_INT_GET_OS_REPORTING_LINE 0x3C4
531 #define H_INT_ESB               0x3C8
532 #define H_INT_SYNC              0x3CC
533 #define H_INT_RESET             0x3D0
534 #define H_SCM_READ_METADATA     0x3E4
535 #define H_SCM_WRITE_METADATA    0x3E8
536 #define H_SCM_BIND_MEM          0x3EC
537 #define H_SCM_UNBIND_MEM        0x3F0
538 #define H_SCM_UNBIND_ALL        0x3FC
539 
540 #define MAX_HCALL_OPCODE        H_SCM_UNBIND_ALL
541 
542 /* The hcalls above are standardized in PAPR and implemented by pHyp
543  * as well.
544  *
545  * We also need some hcalls which are specific to qemu / KVM-on-POWER.
546  * We put those into the 0xf000-0xfffc range which is reserved by PAPR
547  * for "platform-specific" hcalls.
548  */
549 #define KVMPPC_HCALL_BASE       0xf000
550 #define KVMPPC_H_RTAS           (KVMPPC_HCALL_BASE + 0x0)
551 #define KVMPPC_H_LOGICAL_MEMOP  (KVMPPC_HCALL_BASE + 0x1)
552 /* Client Architecture support */
553 #define KVMPPC_H_CAS            (KVMPPC_HCALL_BASE + 0x2)
554 #define KVMPPC_H_UPDATE_DT      (KVMPPC_HCALL_BASE + 0x3)
555 #define KVMPPC_HCALL_MAX        KVMPPC_H_UPDATE_DT
556 
557 /*
558  * The hcall range 0xEF00 to 0xEF80 is reserved for use in facilitating
559  * Secure VM mode via an Ultravisor / Protected Execution Facility
560  */
561 #define SVM_HCALL_BASE              0xEF00
562 #define SVM_H_TPM_COMM              0xEF10
563 #define SVM_HCALL_MAX               SVM_H_TPM_COMM
564 
565 
566 typedef struct SpaprDeviceTreeUpdateHeader {
567     uint32_t version_id;
568 } SpaprDeviceTreeUpdateHeader;
569 
570 #define hcall_dprintf(fmt, ...) \
571     do { \
572         qemu_log_mask(LOG_GUEST_ERROR, "%s: " fmt, __func__, ## __VA_ARGS__); \
573     } while (0)
574 
575 typedef target_ulong (*spapr_hcall_fn)(PowerPCCPU *cpu, SpaprMachineState *sm,
576                                        target_ulong opcode,
577                                        target_ulong *args);
578 
579 void spapr_register_hypercall(target_ulong opcode, spapr_hcall_fn fn);
580 target_ulong spapr_hypercall(PowerPCCPU *cpu, target_ulong opcode,
581                              target_ulong *args);
582 
583 target_ulong do_client_architecture_support(PowerPCCPU *cpu,
584                                             SpaprMachineState *spapr,
585                                             target_ulong addr,
586                                             target_ulong fdt_bufsize);
587 
588 /* Virtual Processor Area structure constants */
589 #define VPA_MIN_SIZE           640
590 #define VPA_SIZE_OFFSET        0x4
591 #define VPA_SHARED_PROC_OFFSET 0x9
592 #define VPA_SHARED_PROC_VAL    0x2
593 #define VPA_DISPATCH_COUNTER   0x100
594 
595 /* ibm,set-eeh-option */
596 #define RTAS_EEH_DISABLE                 0
597 #define RTAS_EEH_ENABLE                  1
598 #define RTAS_EEH_THAW_IO                 2
599 #define RTAS_EEH_THAW_DMA                3
600 
601 /* ibm,get-config-addr-info2 */
602 #define RTAS_GET_PE_ADDR                 0
603 #define RTAS_GET_PE_MODE                 1
604 #define RTAS_PE_MODE_NONE                0
605 #define RTAS_PE_MODE_NOT_SHARED          1
606 #define RTAS_PE_MODE_SHARED              2
607 
608 /* ibm,read-slot-reset-state2 */
609 #define RTAS_EEH_PE_STATE_NORMAL         0
610 #define RTAS_EEH_PE_STATE_RESET          1
611 #define RTAS_EEH_PE_STATE_STOPPED_IO_DMA 2
612 #define RTAS_EEH_PE_STATE_STOPPED_DMA    4
613 #define RTAS_EEH_PE_STATE_UNAVAIL        5
614 #define RTAS_EEH_NOT_SUPPORT             0
615 #define RTAS_EEH_SUPPORT                 1
616 #define RTAS_EEH_PE_UNAVAIL_INFO         1000
617 #define RTAS_EEH_PE_RECOVER_INFO         0
618 
619 /* ibm,set-slot-reset */
620 #define RTAS_SLOT_RESET_DEACTIVATE       0
621 #define RTAS_SLOT_RESET_HOT              1
622 #define RTAS_SLOT_RESET_FUNDAMENTAL      3
623 
624 /* ibm,slot-error-detail */
625 #define RTAS_SLOT_TEMP_ERR_LOG           1
626 #define RTAS_SLOT_PERM_ERR_LOG           2
627 
628 /* RTAS return codes */
629 #define RTAS_OUT_SUCCESS                        0
630 #define RTAS_OUT_NO_ERRORS_FOUND                1
631 #define RTAS_OUT_HW_ERROR                       -1
632 #define RTAS_OUT_BUSY                           -2
633 #define RTAS_OUT_PARAM_ERROR                    -3
634 #define RTAS_OUT_NOT_SUPPORTED                  -3
635 #define RTAS_OUT_NO_SUCH_INDICATOR              -3
636 #define RTAS_OUT_NOT_AUTHORIZED                 -9002
637 #define RTAS_OUT_SYSPARM_PARAM_ERROR            -9999
638 
639 /* DDW pagesize mask values from ibm,query-pe-dma-window */
640 #define RTAS_DDW_PGSIZE_4K       0x01
641 #define RTAS_DDW_PGSIZE_64K      0x02
642 #define RTAS_DDW_PGSIZE_16M      0x04
643 #define RTAS_DDW_PGSIZE_32M      0x08
644 #define RTAS_DDW_PGSIZE_64M      0x10
645 #define RTAS_DDW_PGSIZE_128M     0x20
646 #define RTAS_DDW_PGSIZE_256M     0x40
647 #define RTAS_DDW_PGSIZE_16G      0x80
648 
649 /* RTAS tokens */
650 #define RTAS_TOKEN_BASE      0x2000
651 
652 #define RTAS_DISPLAY_CHARACTER                  (RTAS_TOKEN_BASE + 0x00)
653 #define RTAS_GET_TIME_OF_DAY                    (RTAS_TOKEN_BASE + 0x01)
654 #define RTAS_SET_TIME_OF_DAY                    (RTAS_TOKEN_BASE + 0x02)
655 #define RTAS_POWER_OFF                          (RTAS_TOKEN_BASE + 0x03)
656 #define RTAS_SYSTEM_REBOOT                      (RTAS_TOKEN_BASE + 0x04)
657 #define RTAS_QUERY_CPU_STOPPED_STATE            (RTAS_TOKEN_BASE + 0x05)
658 #define RTAS_START_CPU                          (RTAS_TOKEN_BASE + 0x06)
659 #define RTAS_STOP_SELF                          (RTAS_TOKEN_BASE + 0x07)
660 #define RTAS_IBM_GET_SYSTEM_PARAMETER           (RTAS_TOKEN_BASE + 0x08)
661 #define RTAS_IBM_SET_SYSTEM_PARAMETER           (RTAS_TOKEN_BASE + 0x09)
662 #define RTAS_IBM_SET_XIVE                       (RTAS_TOKEN_BASE + 0x0A)
663 #define RTAS_IBM_GET_XIVE                       (RTAS_TOKEN_BASE + 0x0B)
664 #define RTAS_IBM_INT_OFF                        (RTAS_TOKEN_BASE + 0x0C)
665 #define RTAS_IBM_INT_ON                         (RTAS_TOKEN_BASE + 0x0D)
666 #define RTAS_CHECK_EXCEPTION                    (RTAS_TOKEN_BASE + 0x0E)
667 #define RTAS_EVENT_SCAN                         (RTAS_TOKEN_BASE + 0x0F)
668 #define RTAS_IBM_SET_TCE_BYPASS                 (RTAS_TOKEN_BASE + 0x10)
669 #define RTAS_QUIESCE                            (RTAS_TOKEN_BASE + 0x11)
670 #define RTAS_NVRAM_FETCH                        (RTAS_TOKEN_BASE + 0x12)
671 #define RTAS_NVRAM_STORE                        (RTAS_TOKEN_BASE + 0x13)
672 #define RTAS_READ_PCI_CONFIG                    (RTAS_TOKEN_BASE + 0x14)
673 #define RTAS_WRITE_PCI_CONFIG                   (RTAS_TOKEN_BASE + 0x15)
674 #define RTAS_IBM_READ_PCI_CONFIG                (RTAS_TOKEN_BASE + 0x16)
675 #define RTAS_IBM_WRITE_PCI_CONFIG               (RTAS_TOKEN_BASE + 0x17)
676 #define RTAS_IBM_QUERY_INTERRUPT_SOURCE_NUMBER  (RTAS_TOKEN_BASE + 0x18)
677 #define RTAS_IBM_CHANGE_MSI                     (RTAS_TOKEN_BASE + 0x19)
678 #define RTAS_SET_INDICATOR                      (RTAS_TOKEN_BASE + 0x1A)
679 #define RTAS_SET_POWER_LEVEL                    (RTAS_TOKEN_BASE + 0x1B)
680 #define RTAS_GET_POWER_LEVEL                    (RTAS_TOKEN_BASE + 0x1C)
681 #define RTAS_GET_SENSOR_STATE                   (RTAS_TOKEN_BASE + 0x1D)
682 #define RTAS_IBM_CONFIGURE_CONNECTOR            (RTAS_TOKEN_BASE + 0x1E)
683 #define RTAS_IBM_OS_TERM                        (RTAS_TOKEN_BASE + 0x1F)
684 #define RTAS_IBM_SET_EEH_OPTION                 (RTAS_TOKEN_BASE + 0x20)
685 #define RTAS_IBM_GET_CONFIG_ADDR_INFO2          (RTAS_TOKEN_BASE + 0x21)
686 #define RTAS_IBM_READ_SLOT_RESET_STATE2         (RTAS_TOKEN_BASE + 0x22)
687 #define RTAS_IBM_SET_SLOT_RESET                 (RTAS_TOKEN_BASE + 0x23)
688 #define RTAS_IBM_CONFIGURE_PE                   (RTAS_TOKEN_BASE + 0x24)
689 #define RTAS_IBM_SLOT_ERROR_DETAIL              (RTAS_TOKEN_BASE + 0x25)
690 #define RTAS_IBM_QUERY_PE_DMA_WINDOW            (RTAS_TOKEN_BASE + 0x26)
691 #define RTAS_IBM_CREATE_PE_DMA_WINDOW           (RTAS_TOKEN_BASE + 0x27)
692 #define RTAS_IBM_REMOVE_PE_DMA_WINDOW           (RTAS_TOKEN_BASE + 0x28)
693 #define RTAS_IBM_RESET_PE_DMA_WINDOW            (RTAS_TOKEN_BASE + 0x29)
694 #define RTAS_IBM_SUSPEND_ME                     (RTAS_TOKEN_BASE + 0x2A)
695 #define RTAS_IBM_NMI_REGISTER                   (RTAS_TOKEN_BASE + 0x2B)
696 #define RTAS_IBM_NMI_INTERLOCK                  (RTAS_TOKEN_BASE + 0x2C)
697 
698 #define RTAS_TOKEN_MAX                          (RTAS_TOKEN_BASE + 0x2D)
699 
700 /* RTAS ibm,get-system-parameter token values */
701 #define RTAS_SYSPARM_SPLPAR_CHARACTERISTICS      20
702 #define RTAS_SYSPARM_DIAGNOSTICS_RUN_MODE        42
703 #define RTAS_SYSPARM_UUID                        48
704 
705 /* RTAS indicator/sensor types
706  *
707  * as defined by PAPR+ 2.7 7.3.5.4, Table 41
708  *
709  * NOTE: currently only DR-related sensors are implemented here
710  */
711 #define RTAS_SENSOR_TYPE_ISOLATION_STATE        9001
712 #define RTAS_SENSOR_TYPE_DR                     9002
713 #define RTAS_SENSOR_TYPE_ALLOCATION_STATE       9003
714 #define RTAS_SENSOR_TYPE_ENTITY_SENSE RTAS_SENSOR_TYPE_ALLOCATION_STATE
715 
716 /* Possible values for the platform-processor-diagnostics-run-mode parameter
717  * of the RTAS ibm,get-system-parameter call.
718  */
719 #define DIAGNOSTICS_RUN_MODE_DISABLED  0
720 #define DIAGNOSTICS_RUN_MODE_STAGGERED 1
721 #define DIAGNOSTICS_RUN_MODE_IMMEDIATE 2
722 #define DIAGNOSTICS_RUN_MODE_PERIODIC  3
723 
724 static inline uint64_t ppc64_phys_to_real(uint64_t addr)
725 {
726     return addr & ~0xF000000000000000ULL;
727 }
728 
729 static inline uint32_t rtas_ld(target_ulong phys, int n)
730 {
731     return ldl_be_phys(&address_space_memory, ppc64_phys_to_real(phys + 4*n));
732 }
733 
734 static inline uint64_t rtas_ldq(target_ulong phys, int n)
735 {
736     return (uint64_t)rtas_ld(phys, n) << 32 | rtas_ld(phys, n + 1);
737 }
738 
739 static inline void rtas_st(target_ulong phys, int n, uint32_t val)
740 {
741     stl_be_phys(&address_space_memory, ppc64_phys_to_real(phys + 4*n), val);
742 }
743 
744 typedef void (*spapr_rtas_fn)(PowerPCCPU *cpu, SpaprMachineState *sm,
745                               uint32_t token,
746                               uint32_t nargs, target_ulong args,
747                               uint32_t nret, target_ulong rets);
748 void spapr_rtas_register(int token, const char *name, spapr_rtas_fn fn);
749 target_ulong spapr_rtas_call(PowerPCCPU *cpu, SpaprMachineState *sm,
750                              uint32_t token, uint32_t nargs, target_ulong args,
751                              uint32_t nret, target_ulong rets);
752 void spapr_dt_rtas_tokens(void *fdt, int rtas);
753 void spapr_load_rtas(SpaprMachineState *spapr, void *fdt, hwaddr addr);
754 
755 #define SPAPR_TCE_PAGE_SHIFT   12
756 #define SPAPR_TCE_PAGE_SIZE    (1ULL << SPAPR_TCE_PAGE_SHIFT)
757 #define SPAPR_TCE_PAGE_MASK    (SPAPR_TCE_PAGE_SIZE - 1)
758 
759 #define SPAPR_VIO_BASE_LIOBN    0x00000000
760 #define SPAPR_VIO_LIOBN(reg)    (0x00000000 | (reg))
761 #define SPAPR_PCI_LIOBN(phb_index, window_num) \
762     (0x80000000 | ((phb_index) << 8) | (window_num))
763 #define SPAPR_IS_PCI_LIOBN(liobn)   (!!((liobn) & 0x80000000))
764 #define SPAPR_PCI_DMA_WINDOW_NUM(liobn) ((liobn) & 0xff)
765 
766 #define RTAS_SIZE               2048
767 #define RTAS_ERROR_LOG_MAX      2048
768 
769 /* Offset from rtas-base where error log is placed */
770 #define RTAS_ERROR_LOG_OFFSET       0x30
771 
772 #define RTAS_EVENT_SCAN_RATE    1
773 
774 /* This helper should be used to encode interrupt specifiers when the related
775  * "interrupt-controller" node has its "#interrupt-cells" property set to 2 (ie,
776  * VIO devices, RTAS event sources and PHBs).
777  */
778 static inline void spapr_dt_irq(uint32_t *intspec, int irq, bool is_lsi)
779 {
780     intspec[0] = cpu_to_be32(irq);
781     intspec[1] = is_lsi ? cpu_to_be32(1) : 0;
782 }
783 
784 typedef struct SpaprTceTable SpaprTceTable;
785 
786 #define TYPE_SPAPR_TCE_TABLE "spapr-tce-table"
787 DECLARE_INSTANCE_CHECKER(SpaprTceTable, SPAPR_TCE_TABLE,
788                          TYPE_SPAPR_TCE_TABLE)
789 
790 #define TYPE_SPAPR_IOMMU_MEMORY_REGION "spapr-iommu-memory-region"
791 DECLARE_INSTANCE_CHECKER(IOMMUMemoryRegion, SPAPR_IOMMU_MEMORY_REGION,
792                          TYPE_SPAPR_IOMMU_MEMORY_REGION)
793 
794 struct SpaprTceTable {
795     DeviceState parent;
796     uint32_t liobn;
797     uint32_t nb_table;
798     uint64_t bus_offset;
799     uint32_t page_shift;
800     uint64_t *table;
801     uint32_t mig_nb_table;
802     uint64_t *mig_table;
803     bool bypass;
804     bool need_vfio;
805     bool skipping_replay;
806     int fd;
807     MemoryRegion root;
808     IOMMUMemoryRegion iommu;
809     struct SpaprVioDevice *vdev; /* for @bypass migration compatibility only */
810     QLIST_ENTRY(SpaprTceTable) list;
811 };
812 
813 SpaprTceTable *spapr_tce_find_by_liobn(target_ulong liobn);
814 
815 struct SpaprEventLogEntry {
816     uint32_t summary;
817     uint32_t extended_length;
818     void *extended_log;
819     QTAILQ_ENTRY(SpaprEventLogEntry) next;
820 };
821 
822 void *spapr_build_fdt(SpaprMachineState *spapr, bool reset, size_t space);
823 void spapr_events_init(SpaprMachineState *sm);
824 void spapr_dt_events(SpaprMachineState *sm, void *fdt);
825 void close_htab_fd(SpaprMachineState *spapr);
826 void spapr_setup_hpt(SpaprMachineState *spapr);
827 void spapr_free_hpt(SpaprMachineState *spapr);
828 SpaprTceTable *spapr_tce_new_table(DeviceState *owner, uint32_t liobn);
829 void spapr_tce_table_enable(SpaprTceTable *tcet,
830                             uint32_t page_shift, uint64_t bus_offset,
831                             uint32_t nb_table);
832 void spapr_tce_table_disable(SpaprTceTable *tcet);
833 void spapr_tce_set_need_vfio(SpaprTceTable *tcet, bool need_vfio);
834 
835 MemoryRegion *spapr_tce_get_iommu(SpaprTceTable *tcet);
836 int spapr_dma_dt(void *fdt, int node_off, const char *propname,
837                  uint32_t liobn, uint64_t window, uint32_t size);
838 int spapr_tcet_dma_dt(void *fdt, int node_off, const char *propname,
839                       SpaprTceTable *tcet);
840 void spapr_pci_switch_vga(bool big_endian);
841 void spapr_hotplug_req_add_by_index(SpaprDrc *drc);
842 void spapr_hotplug_req_remove_by_index(SpaprDrc *drc);
843 void spapr_hotplug_req_add_by_count(SpaprDrcType drc_type,
844                                        uint32_t count);
845 void spapr_hotplug_req_remove_by_count(SpaprDrcType drc_type,
846                                           uint32_t count);
847 void spapr_hotplug_req_add_by_count_indexed(SpaprDrcType drc_type,
848                                             uint32_t count, uint32_t index);
849 void spapr_hotplug_req_remove_by_count_indexed(SpaprDrcType drc_type,
850                                                uint32_t count, uint32_t index);
851 int spapr_hpt_shift_for_ramsize(uint64_t ramsize);
852 void spapr_reallocate_hpt(SpaprMachineState *spapr, int shift,
853                           Error **errp);
854 void spapr_clear_pending_events(SpaprMachineState *spapr);
855 void spapr_clear_pending_hotplug_events(SpaprMachineState *spapr);
856 int spapr_max_server_number(SpaprMachineState *spapr);
857 void spapr_store_hpte(PowerPCCPU *cpu, hwaddr ptex,
858                       uint64_t pte0, uint64_t pte1);
859 void spapr_mce_req_event(PowerPCCPU *cpu, bool recovered);
860 
861 /* DRC callbacks. */
862 void spapr_core_release(DeviceState *dev);
863 int spapr_core_dt_populate(SpaprDrc *drc, SpaprMachineState *spapr,
864                            void *fdt, int *fdt_start_offset, Error **errp);
865 void spapr_lmb_release(DeviceState *dev);
866 int spapr_lmb_dt_populate(SpaprDrc *drc, SpaprMachineState *spapr,
867                           void *fdt, int *fdt_start_offset, Error **errp);
868 void spapr_phb_release(DeviceState *dev);
869 int spapr_phb_dt_populate(SpaprDrc *drc, SpaprMachineState *spapr,
870                           void *fdt, int *fdt_start_offset, Error **errp);
871 
872 void spapr_rtc_read(SpaprRtcState *rtc, struct tm *tm, uint32_t *ns);
873 int spapr_rtc_import_offset(SpaprRtcState *rtc, int64_t legacy_offset);
874 
875 #define TYPE_SPAPR_RNG "spapr-rng"
876 
877 #define SPAPR_MEMORY_BLOCK_SIZE ((hwaddr)1 << 28) /* 256MB */
878 
879 /*
880  * This defines the maximum number of DIMM slots we can have for sPAPR
881  * guest. This is not defined by sPAPR but we are defining it to 32 slots
882  * based on default number of slots provided by PowerPC kernel.
883  */
884 #define SPAPR_MAX_RAM_SLOTS     32
885 
886 /* 1GB alignment for hotplug memory region */
887 #define SPAPR_DEVICE_MEM_ALIGN (1 * GiB)
888 
889 /*
890  * Number of 32 bit words in each LMB list entry in ibm,dynamic-memory
891  * property under ibm,dynamic-reconfiguration-memory node.
892  */
893 #define SPAPR_DR_LMB_LIST_ENTRY_SIZE 6
894 
895 /*
896  * Defines for flag value in ibm,dynamic-memory property under
897  * ibm,dynamic-reconfiguration-memory node.
898  */
899 #define SPAPR_LMB_FLAGS_ASSIGNED 0x00000008
900 #define SPAPR_LMB_FLAGS_DRC_INVALID 0x00000020
901 #define SPAPR_LMB_FLAGS_RESERVED 0x00000080
902 #define SPAPR_LMB_FLAGS_HOTREMOVABLE 0x00000100
903 
904 void spapr_do_system_reset_on_cpu(CPUState *cs, run_on_cpu_data arg);
905 
906 #define HTAB_SIZE(spapr)        (1ULL << ((spapr)->htab_shift))
907 
908 int spapr_get_vcpu_id(PowerPCCPU *cpu);
909 void spapr_set_vcpu_id(PowerPCCPU *cpu, int cpu_index, Error **errp);
910 PowerPCCPU *spapr_find_cpu(int vcpu_id);
911 
912 int spapr_caps_pre_load(void *opaque);
913 int spapr_caps_pre_save(void *opaque);
914 
915 /*
916  * Handling of optional capabilities
917  */
918 extern const VMStateDescription vmstate_spapr_cap_htm;
919 extern const VMStateDescription vmstate_spapr_cap_vsx;
920 extern const VMStateDescription vmstate_spapr_cap_dfp;
921 extern const VMStateDescription vmstate_spapr_cap_cfpc;
922 extern const VMStateDescription vmstate_spapr_cap_sbbc;
923 extern const VMStateDescription vmstate_spapr_cap_ibs;
924 extern const VMStateDescription vmstate_spapr_cap_hpt_maxpagesize;
925 extern const VMStateDescription vmstate_spapr_cap_nested_kvm_hv;
926 extern const VMStateDescription vmstate_spapr_cap_large_decr;
927 extern const VMStateDescription vmstate_spapr_cap_ccf_assist;
928 extern const VMStateDescription vmstate_spapr_cap_fwnmi;
929 
930 static inline uint8_t spapr_get_cap(SpaprMachineState *spapr, int cap)
931 {
932     return spapr->eff.caps[cap];
933 }
934 
935 void spapr_caps_init(SpaprMachineState *spapr);
936 void spapr_caps_apply(SpaprMachineState *spapr);
937 void spapr_caps_cpu_apply(SpaprMachineState *spapr, PowerPCCPU *cpu);
938 void spapr_caps_add_properties(SpaprMachineClass *smc);
939 int spapr_caps_post_migration(SpaprMachineState *spapr);
940 
941 void spapr_check_pagesize(SpaprMachineState *spapr, hwaddr pagesize,
942                           Error **errp);
943 /*
944  * XIVE definitions
945  */
946 #define SPAPR_OV5_XIVE_LEGACY   0x0
947 #define SPAPR_OV5_XIVE_EXPLOIT  0x40
948 #define SPAPR_OV5_XIVE_BOTH     0x80 /* Only to advertise on the platform */
949 
950 void spapr_set_all_lpcrs(target_ulong value, target_ulong mask);
951 hwaddr spapr_get_rtas_addr(void);
952 #endif /* HW_SPAPR_H */
953