xref: /openbmc/qemu/include/hw/ppc/spapr.h (revision dd205025)
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 typedef struct SpaprMachineState SpaprMachineState;
45 #define SPAPR_MACHINE(obj) \
46     OBJECT_CHECK(SpaprMachineState, (obj), TYPE_SPAPR_MACHINE)
47 #define SPAPR_MACHINE_GET_CLASS(obj) \
48     OBJECT_GET_CLASS(SpaprMachineClass, obj, TYPE_SPAPR_MACHINE)
49 #define SPAPR_MACHINE_CLASS(klass) \
50     OBJECT_CLASS_CHECK(SpaprMachineClass, klass, TYPE_SPAPR_MACHINE)
51 
52 typedef enum {
53     SPAPR_RESIZE_HPT_DEFAULT = 0,
54     SPAPR_RESIZE_HPT_DISABLED,
55     SPAPR_RESIZE_HPT_ENABLED,
56     SPAPR_RESIZE_HPT_REQUIRED,
57 } SpaprResizeHpt;
58 
59 /**
60  * Capabilities
61  */
62 
63 /* Hardware Transactional Memory */
64 #define SPAPR_CAP_HTM                   0x00
65 /* Vector Scalar Extensions */
66 #define SPAPR_CAP_VSX                   0x01
67 /* Decimal Floating Point */
68 #define SPAPR_CAP_DFP                   0x02
69 /* Cache Flush on Privilege Change */
70 #define SPAPR_CAP_CFPC                  0x03
71 /* Speculation Barrier Bounds Checking */
72 #define SPAPR_CAP_SBBC                  0x04
73 /* Indirect Branch Serialisation */
74 #define SPAPR_CAP_IBS                   0x05
75 /* HPT Maximum Page Size (encoded as a shift) */
76 #define SPAPR_CAP_HPT_MAXPAGESIZE       0x06
77 /* Nested KVM-HV */
78 #define SPAPR_CAP_NESTED_KVM_HV         0x07
79 /* Large Decrementer */
80 #define SPAPR_CAP_LARGE_DECREMENTER     0x08
81 /* Count Cache Flush Assist HW Instruction */
82 #define SPAPR_CAP_CCF_ASSIST            0x09
83 /* Implements PAPR FWNMI option */
84 #define SPAPR_CAP_FWNMI                 0x0A
85 /* Num Caps */
86 #define SPAPR_CAP_NUM                   (SPAPR_CAP_FWNMI + 1)
87 
88 /*
89  * Capability Values
90  */
91 /* Bool Caps */
92 #define SPAPR_CAP_OFF                   0x00
93 #define SPAPR_CAP_ON                    0x01
94 
95 /* Custom Caps */
96 
97 /* Generic */
98 #define SPAPR_CAP_BROKEN                0x00
99 #define SPAPR_CAP_WORKAROUND            0x01
100 #define SPAPR_CAP_FIXED                 0x02
101 /* SPAPR_CAP_IBS (cap-ibs) */
102 #define SPAPR_CAP_FIXED_IBS             0x02
103 #define SPAPR_CAP_FIXED_CCD             0x03
104 #define SPAPR_CAP_FIXED_NA              0x10 /* Lets leave a bit of a gap... */
105 
106 #define FDT_MAX_SIZE                    0x100000
107 
108 typedef struct SpaprCapabilities SpaprCapabilities;
109 struct SpaprCapabilities {
110     uint8_t caps[SPAPR_CAP_NUM];
111 };
112 
113 /**
114  * SpaprMachineClass:
115  */
116 struct SpaprMachineClass {
117     /*< private >*/
118     MachineClass parent_class;
119 
120     /*< public >*/
121     bool dr_lmb_enabled;       /* enable dynamic-reconfig/hotplug of LMBs */
122     bool dr_phb_enabled;       /* enable dynamic-reconfig/hotplug of PHBs */
123     bool update_dt_enabled;    /* enable KVMPPC_H_UPDATE_DT */
124     bool use_ohci_by_default;  /* use USB-OHCI instead of XHCI */
125     bool pre_2_10_has_unused_icps;
126     bool legacy_irq_allocation;
127     uint32_t nr_xirqs;
128     bool broken_host_serial_model; /* present real host info to the guest */
129     bool pre_4_1_migration; /* don't migrate hpt-max-page-size */
130     bool linux_pci_probe;
131     bool smp_threads_vsmt; /* set VSMT to smp_threads by default */
132     hwaddr rma_limit;          /* clamp the RMA to this size */
133     bool pre_5_1_assoc_refpoints;
134 
135     void (*phb_placement)(SpaprMachineState *spapr, uint32_t index,
136                           uint64_t *buid, hwaddr *pio,
137                           hwaddr *mmio32, hwaddr *mmio64,
138                           unsigned n_dma, uint32_t *liobns, hwaddr *nv2gpa,
139                           hwaddr *nv2atsd, Error **errp);
140     SpaprResizeHpt resize_hpt_default;
141     SpaprCapabilities default_caps;
142     SpaprIrq *irq;
143 };
144 
145 /**
146  * SpaprMachineState:
147  */
148 struct SpaprMachineState {
149     /*< private >*/
150     MachineState parent_obj;
151 
152     struct SpaprVioBus *vio_bus;
153     QLIST_HEAD(, SpaprPhbState) phbs;
154     struct SpaprNvram *nvram;
155     SpaprRtcState rtc;
156 
157     SpaprResizeHpt resize_hpt;
158     void *htab;
159     uint32_t htab_shift;
160     uint64_t patb_entry; /* Process tbl registed in H_REGISTER_PROCESS_TABLE */
161     SpaprPendingHpt *pending_hpt; /* in-progress resize */
162 
163     hwaddr rma_size;
164     uint32_t fdt_size;
165     uint32_t fdt_initial_size;
166     void *fdt_blob;
167     long kernel_size;
168     bool kernel_le;
169     uint64_t kernel_addr;
170     uint32_t initrd_base;
171     long initrd_size;
172     uint64_t rtc_offset; /* Now used only during incoming migration */
173     struct PPCTimebase tb;
174     bool has_graphics;
175     uint32_t vsmt;       /* Virtual SMT mode (KVM's "core stride") */
176 
177     Notifier epow_notifier;
178     QTAILQ_HEAD(, SpaprEventLogEntry) pending_events;
179     bool use_hotplug_event_source;
180     SpaprEventSource *event_sources;
181 
182     /* ibm,client-architecture-support option negotiation */
183     bool cas_pre_isa3_guest;
184     SpaprOptionVector *ov5;         /* QEMU-supported option vectors */
185     SpaprOptionVector *ov5_cas;     /* negotiated (via CAS) option vectors */
186     uint32_t max_compat_pvr;
187 
188     /* Migration state */
189     int htab_save_index;
190     bool htab_first_pass;
191     int htab_fd;
192 
193     /* Pending DIMM unplug cache. It is populated when a LMB
194      * unplug starts. It can be regenerated if a migration
195      * occurs during the unplug process. */
196     QTAILQ_HEAD(, SpaprDimmState) pending_dimm_unplugs;
197 
198     /* State related to FWNMI option */
199 
200     /* System Reset and Machine Check Notification Routine addresses
201      * registered by "ibm,nmi-register" RTAS call.
202      */
203     target_ulong fwnmi_system_reset_addr;
204     target_ulong fwnmi_machine_check_addr;
205 
206     /* Machine Check FWNMI synchronization, fwnmi_machine_check_interlock is
207      * set to -1 if a FWNMI machine check is not in progress, else is set to
208      * the CPU that was delivered the machine check, and is set back to -1
209      * when that CPU makes an "ibm,nmi-interlock" RTAS call. The cond is used
210      * to synchronize other CPUs.
211      */
212     int fwnmi_machine_check_interlock;
213     QemuCond fwnmi_machine_check_interlock_cond;
214 
215     /*< public >*/
216     char *kvm_type;
217     char *host_model;
218     char *host_serial;
219 
220     int32_t irq_map_nr;
221     unsigned long *irq_map;
222     SpaprIrq *irq;
223     qemu_irq *qirqs;
224     SpaprInterruptController *active_intc;
225     ICSState *ics;
226     SpaprXive *xive;
227 
228     bool cmd_line_caps[SPAPR_CAP_NUM];
229     SpaprCapabilities def, eff, mig;
230 
231     unsigned gpu_numa_id;
232     SpaprTpmProxy *tpm_proxy;
233 
234     Error *fwnmi_migration_blocker;
235 };
236 
237 #define H_SUCCESS         0
238 #define H_BUSY            1        /* Hardware busy -- retry later */
239 #define H_CLOSED          2        /* Resource closed */
240 #define H_NOT_AVAILABLE   3
241 #define H_CONSTRAINED     4        /* Resource request constrained to max allowed */
242 #define H_PARTIAL         5
243 #define H_IN_PROGRESS     14       /* Kind of like busy */
244 #define H_PAGE_REGISTERED 15
245 #define H_PARTIAL_STORE   16
246 #define H_PENDING         17       /* returned from H_POLL_PENDING */
247 #define H_CONTINUE        18       /* Returned from H_Join on success */
248 #define H_LONG_BUSY_START_RANGE         9900  /* Start of long busy range */
249 #define H_LONG_BUSY_ORDER_1_MSEC        9900  /* Long busy, hint that 1msec \
250                                                  is a good time to retry */
251 #define H_LONG_BUSY_ORDER_10_MSEC       9901  /* Long busy, hint that 10msec \
252                                                  is a good time to retry */
253 #define H_LONG_BUSY_ORDER_100_MSEC      9902  /* Long busy, hint that 100msec \
254                                                  is a good time to retry */
255 #define H_LONG_BUSY_ORDER_1_SEC         9903  /* Long busy, hint that 1sec \
256                                                  is a good time to retry */
257 #define H_LONG_BUSY_ORDER_10_SEC        9904  /* Long busy, hint that 10sec \
258                                                  is a good time to retry */
259 #define H_LONG_BUSY_ORDER_100_SEC       9905  /* Long busy, hint that 100sec \
260                                                  is a good time to retry */
261 #define H_LONG_BUSY_END_RANGE           9905  /* End of long busy range */
262 #define H_HARDWARE        -1       /* Hardware error */
263 #define H_FUNCTION        -2       /* Function not supported */
264 #define H_PRIVILEGE       -3       /* Caller not privileged */
265 #define H_PARAMETER       -4       /* Parameter invalid, out-of-range or conflicting */
266 #define H_BAD_MODE        -5       /* Illegal msr value */
267 #define H_PTEG_FULL       -6       /* PTEG is full */
268 #define H_NOT_FOUND       -7       /* PTE was not found" */
269 #define H_RESERVED_DABR   -8       /* DABR address is reserved by the hypervisor on this processor" */
270 #define H_NO_MEM          -9
271 #define H_AUTHORITY       -10
272 #define H_PERMISSION      -11
273 #define H_DROPPED         -12
274 #define H_SOURCE_PARM     -13
275 #define H_DEST_PARM       -14
276 #define H_REMOTE_PARM     -15
277 #define H_RESOURCE        -16
278 #define H_ADAPTER_PARM    -17
279 #define H_RH_PARM         -18
280 #define H_RCQ_PARM        -19
281 #define H_SCQ_PARM        -20
282 #define H_EQ_PARM         -21
283 #define H_RT_PARM         -22
284 #define H_ST_PARM         -23
285 #define H_SIGT_PARM       -24
286 #define H_TOKEN_PARM      -25
287 #define H_MLENGTH_PARM    -27
288 #define H_MEM_PARM        -28
289 #define H_MEM_ACCESS_PARM -29
290 #define H_ATTR_PARM       -30
291 #define H_PORT_PARM       -31
292 #define H_MCG_PARM        -32
293 #define H_VL_PARM         -33
294 #define H_TSIZE_PARM      -34
295 #define H_TRACE_PARM      -35
296 
297 #define H_MASK_PARM       -37
298 #define H_MCG_FULL        -38
299 #define H_ALIAS_EXIST     -39
300 #define H_P_COUNTER       -40
301 #define H_TABLE_FULL      -41
302 #define H_ALT_TABLE       -42
303 #define H_MR_CONDITION    -43
304 #define H_NOT_ENOUGH_RESOURCES -44
305 #define H_R_STATE         -45
306 #define H_RESCINDEND      -46
307 #define H_P2              -55
308 #define H_P3              -56
309 #define H_P4              -57
310 #define H_P5              -58
311 #define H_P6              -59
312 #define H_P7              -60
313 #define H_P8              -61
314 #define H_P9              -62
315 #define H_OVERLAP         -68
316 #define H_UNSUPPORTED_FLAG -256
317 #define H_MULTI_THREADS_ACTIVE -9005
318 
319 
320 /* Long Busy is a condition that can be returned by the firmware
321  * when a call cannot be completed now, but the identical call
322  * should be retried later.  This prevents calls blocking in the
323  * firmware for long periods of time.  Annoyingly the firmware can return
324  * a range of return codes, hinting at how long we should wait before
325  * retrying.  If you don't care for the hint, the macro below is a good
326  * way to check for the long_busy return codes
327  */
328 #define H_IS_LONG_BUSY(x)  ((x >= H_LONG_BUSY_START_RANGE) \
329                             && (x <= H_LONG_BUSY_END_RANGE))
330 
331 /* Flags */
332 #define H_LARGE_PAGE      (1ULL<<(63-16))
333 #define H_EXACT           (1ULL<<(63-24))       /* Use exact PTE or return H_PTEG_FULL */
334 #define H_R_XLATE         (1ULL<<(63-25))       /* include a valid logical page num in the pte if the valid bit is set */
335 #define H_READ_4          (1ULL<<(63-26))       /* Return 4 PTEs */
336 #define H_PAGE_STATE_CHANGE (1ULL<<(63-28))
337 #define H_PAGE_UNUSED     ((1ULL<<(63-29)) | (1ULL<<(63-30)))
338 #define H_PAGE_SET_UNUSED (H_PAGE_STATE_CHANGE | H_PAGE_UNUSED)
339 #define H_PAGE_SET_LOANED (H_PAGE_SET_UNUSED | (1ULL<<(63-31)))
340 #define H_PAGE_SET_ACTIVE H_PAGE_STATE_CHANGE
341 #define H_AVPN            (1ULL<<(63-32))       /* An avpn is provided as a sanity test */
342 #define H_ANDCOND         (1ULL<<(63-33))
343 #define H_ICACHE_INVALIDATE (1ULL<<(63-40))     /* icbi, etc.  (ignored for IO pages) */
344 #define H_ICACHE_SYNCHRONIZE (1ULL<<(63-41))    /* dcbst, icbi, etc (ignored for IO pages */
345 #define H_ZERO_PAGE       (1ULL<<(63-48))       /* zero the page before mapping (ignored for IO pages) */
346 #define H_COPY_PAGE       (1ULL<<(63-49))
347 #define H_N               (1ULL<<(63-61))
348 #define H_PP1             (1ULL<<(63-62))
349 #define H_PP2             (1ULL<<(63-63))
350 
351 /* Values for 2nd argument to H_SET_MODE */
352 #define H_SET_MODE_RESOURCE_SET_CIABR           1
353 #define H_SET_MODE_RESOURCE_SET_DAWR            2
354 #define H_SET_MODE_RESOURCE_ADDR_TRANS_MODE     3
355 #define H_SET_MODE_RESOURCE_LE                  4
356 
357 /* Flags for H_SET_MODE_RESOURCE_LE */
358 #define H_SET_MODE_ENDIAN_BIG    0
359 #define H_SET_MODE_ENDIAN_LITTLE 1
360 
361 /* VASI States */
362 #define H_VASI_INVALID    0
363 #define H_VASI_ENABLED    1
364 #define H_VASI_ABORTED    2
365 #define H_VASI_SUSPENDING 3
366 #define H_VASI_SUSPENDED  4
367 #define H_VASI_RESUMED    5
368 #define H_VASI_COMPLETED  6
369 
370 /* DABRX flags */
371 #define H_DABRX_HYPERVISOR (1ULL<<(63-61))
372 #define H_DABRX_KERNEL     (1ULL<<(63-62))
373 #define H_DABRX_USER       (1ULL<<(63-63))
374 
375 /* Values for KVM_PPC_GET_CPU_CHAR & H_GET_CPU_CHARACTERISTICS */
376 #define H_CPU_CHAR_SPEC_BAR_ORI31               PPC_BIT(0)
377 #define H_CPU_CHAR_BCCTRL_SERIALISED            PPC_BIT(1)
378 #define H_CPU_CHAR_L1D_FLUSH_ORI30              PPC_BIT(2)
379 #define H_CPU_CHAR_L1D_FLUSH_TRIG2              PPC_BIT(3)
380 #define H_CPU_CHAR_L1D_THREAD_PRIV              PPC_BIT(4)
381 #define H_CPU_CHAR_HON_BRANCH_HINTS             PPC_BIT(5)
382 #define H_CPU_CHAR_THR_RECONF_TRIG              PPC_BIT(6)
383 #define H_CPU_CHAR_CACHE_COUNT_DIS              PPC_BIT(7)
384 #define H_CPU_CHAR_BCCTR_FLUSH_ASSIST           PPC_BIT(9)
385 #define H_CPU_BEHAV_FAVOUR_SECURITY             PPC_BIT(0)
386 #define H_CPU_BEHAV_L1D_FLUSH_PR                PPC_BIT(1)
387 #define H_CPU_BEHAV_BNDS_CHK_SPEC_BAR           PPC_BIT(2)
388 #define H_CPU_BEHAV_FLUSH_COUNT_CACHE           PPC_BIT(5)
389 
390 /* Each control block has to be on a 4K boundary */
391 #define H_CB_ALIGNMENT     4096
392 
393 /* pSeries hypervisor opcodes */
394 #define H_REMOVE                0x04
395 #define H_ENTER                 0x08
396 #define H_READ                  0x0c
397 #define H_CLEAR_MOD             0x10
398 #define H_CLEAR_REF             0x14
399 #define H_PROTECT               0x18
400 #define H_GET_TCE               0x1c
401 #define H_PUT_TCE               0x20
402 #define H_SET_SPRG0             0x24
403 #define H_SET_DABR              0x28
404 #define H_PAGE_INIT             0x2c
405 #define H_SET_ASR               0x30
406 #define H_ASR_ON                0x34
407 #define H_ASR_OFF               0x38
408 #define H_LOGICAL_CI_LOAD       0x3c
409 #define H_LOGICAL_CI_STORE      0x40
410 #define H_LOGICAL_CACHE_LOAD    0x44
411 #define H_LOGICAL_CACHE_STORE   0x48
412 #define H_LOGICAL_ICBI          0x4c
413 #define H_LOGICAL_DCBF          0x50
414 #define H_GET_TERM_CHAR         0x54
415 #define H_PUT_TERM_CHAR         0x58
416 #define H_REAL_TO_LOGICAL       0x5c
417 #define H_HYPERVISOR_DATA       0x60
418 #define H_EOI                   0x64
419 #define H_CPPR                  0x68
420 #define H_IPI                   0x6c
421 #define H_IPOLL                 0x70
422 #define H_XIRR                  0x74
423 #define H_PERFMON               0x7c
424 #define H_MIGRATE_DMA           0x78
425 #define H_REGISTER_VPA          0xDC
426 #define H_CEDE                  0xE0
427 #define H_CONFER                0xE4
428 #define H_PROD                  0xE8
429 #define H_GET_PPP               0xEC
430 #define H_SET_PPP               0xF0
431 #define H_PURR                  0xF4
432 #define H_PIC                   0xF8
433 #define H_REG_CRQ               0xFC
434 #define H_FREE_CRQ              0x100
435 #define H_VIO_SIGNAL            0x104
436 #define H_SEND_CRQ              0x108
437 #define H_COPY_RDMA             0x110
438 #define H_REGISTER_LOGICAL_LAN  0x114
439 #define H_FREE_LOGICAL_LAN      0x118
440 #define H_ADD_LOGICAL_LAN_BUFFER 0x11C
441 #define H_SEND_LOGICAL_LAN      0x120
442 #define H_BULK_REMOVE           0x124
443 #define H_MULTICAST_CTRL        0x130
444 #define H_SET_XDABR             0x134
445 #define H_STUFF_TCE             0x138
446 #define H_PUT_TCE_INDIRECT      0x13C
447 #define H_CHANGE_LOGICAL_LAN_MAC 0x14C
448 #define H_VTERM_PARTNER_INFO    0x150
449 #define H_REGISTER_VTERM        0x154
450 #define H_FREE_VTERM            0x158
451 #define H_RESET_EVENTS          0x15C
452 #define H_ALLOC_RESOURCE        0x160
453 #define H_FREE_RESOURCE         0x164
454 #define H_MODIFY_QP             0x168
455 #define H_QUERY_QP              0x16C
456 #define H_REREGISTER_PMR        0x170
457 #define H_REGISTER_SMR          0x174
458 #define H_QUERY_MR              0x178
459 #define H_QUERY_MW              0x17C
460 #define H_QUERY_HCA             0x180
461 #define H_QUERY_PORT            0x184
462 #define H_MODIFY_PORT           0x188
463 #define H_DEFINE_AQP1           0x18C
464 #define H_GET_TRACE_BUFFER      0x190
465 #define H_DEFINE_AQP0           0x194
466 #define H_RESIZE_MR             0x198
467 #define H_ATTACH_MCQP           0x19C
468 #define H_DETACH_MCQP           0x1A0
469 #define H_CREATE_RPT            0x1A4
470 #define H_REMOVE_RPT            0x1A8
471 #define H_REGISTER_RPAGES       0x1AC
472 #define H_DISABLE_AND_GETC      0x1B0
473 #define H_ERROR_DATA            0x1B4
474 #define H_GET_HCA_INFO          0x1B8
475 #define H_GET_PERF_COUNT        0x1BC
476 #define H_MANAGE_TRACE          0x1C0
477 #define H_GET_CPU_CHARACTERISTICS 0x1C8
478 #define H_FREE_LOGICAL_LAN_BUFFER 0x1D4
479 #define H_QUERY_INT_STATE       0x1E4
480 #define H_POLL_PENDING          0x1D8
481 #define H_ILLAN_ATTRIBUTES      0x244
482 #define H_MODIFY_HEA_QP         0x250
483 #define H_QUERY_HEA_QP          0x254
484 #define H_QUERY_HEA             0x258
485 #define H_QUERY_HEA_PORT        0x25C
486 #define H_MODIFY_HEA_PORT       0x260
487 #define H_REG_BCMC              0x264
488 #define H_DEREG_BCMC            0x268
489 #define H_REGISTER_HEA_RPAGES   0x26C
490 #define H_DISABLE_AND_GET_HEA   0x270
491 #define H_GET_HEA_INFO          0x274
492 #define H_ALLOC_HEA_RESOURCE    0x278
493 #define H_ADD_CONN              0x284
494 #define H_DEL_CONN              0x288
495 #define H_JOIN                  0x298
496 #define H_VASI_STATE            0x2A4
497 #define H_ENABLE_CRQ            0x2B0
498 #define H_GET_EM_PARMS          0x2B8
499 #define H_SET_MPP               0x2D0
500 #define H_GET_MPP               0x2D4
501 #define H_HOME_NODE_ASSOCIATIVITY 0x2EC
502 #define H_XIRR_X                0x2FC
503 #define H_RANDOM                0x300
504 #define H_SET_MODE              0x31C
505 #define H_RESIZE_HPT_PREPARE    0x36C
506 #define H_RESIZE_HPT_COMMIT     0x370
507 #define H_CLEAN_SLB             0x374
508 #define H_INVALIDATE_PID        0x378
509 #define H_REGISTER_PROC_TBL     0x37C
510 #define H_SIGNAL_SYS_RESET      0x380
511 
512 #define H_INT_GET_SOURCE_INFO   0x3A8
513 #define H_INT_SET_SOURCE_CONFIG 0x3AC
514 #define H_INT_GET_SOURCE_CONFIG 0x3B0
515 #define H_INT_GET_QUEUE_INFO    0x3B4
516 #define H_INT_SET_QUEUE_CONFIG  0x3B8
517 #define H_INT_GET_QUEUE_CONFIG  0x3BC
518 #define H_INT_SET_OS_REPORTING_LINE 0x3C0
519 #define H_INT_GET_OS_REPORTING_LINE 0x3C4
520 #define H_INT_ESB               0x3C8
521 #define H_INT_SYNC              0x3CC
522 #define H_INT_RESET             0x3D0
523 #define H_SCM_READ_METADATA     0x3E4
524 #define H_SCM_WRITE_METADATA    0x3E8
525 #define H_SCM_BIND_MEM          0x3EC
526 #define H_SCM_UNBIND_MEM        0x3F0
527 #define H_SCM_UNBIND_ALL        0x3FC
528 
529 #define MAX_HCALL_OPCODE        H_SCM_UNBIND_ALL
530 
531 /* The hcalls above are standardized in PAPR and implemented by pHyp
532  * as well.
533  *
534  * We also need some hcalls which are specific to qemu / KVM-on-POWER.
535  * We put those into the 0xf000-0xfffc range which is reserved by PAPR
536  * for "platform-specific" hcalls.
537  */
538 #define KVMPPC_HCALL_BASE       0xf000
539 #define KVMPPC_H_RTAS           (KVMPPC_HCALL_BASE + 0x0)
540 #define KVMPPC_H_LOGICAL_MEMOP  (KVMPPC_HCALL_BASE + 0x1)
541 /* Client Architecture support */
542 #define KVMPPC_H_CAS            (KVMPPC_HCALL_BASE + 0x2)
543 #define KVMPPC_H_UPDATE_DT      (KVMPPC_HCALL_BASE + 0x3)
544 #define KVMPPC_HCALL_MAX        KVMPPC_H_UPDATE_DT
545 
546 /*
547  * The hcall range 0xEF00 to 0xEF80 is reserved for use in facilitating
548  * Secure VM mode via an Ultravisor / Protected Execution Facility
549  */
550 #define SVM_HCALL_BASE              0xEF00
551 #define SVM_H_TPM_COMM              0xEF10
552 #define SVM_HCALL_MAX               SVM_H_TPM_COMM
553 
554 
555 typedef struct SpaprDeviceTreeUpdateHeader {
556     uint32_t version_id;
557 } SpaprDeviceTreeUpdateHeader;
558 
559 #define hcall_dprintf(fmt, ...) \
560     do { \
561         qemu_log_mask(LOG_GUEST_ERROR, "%s: " fmt, __func__, ## __VA_ARGS__); \
562     } while (0)
563 
564 typedef target_ulong (*spapr_hcall_fn)(PowerPCCPU *cpu, SpaprMachineState *sm,
565                                        target_ulong opcode,
566                                        target_ulong *args);
567 
568 void spapr_register_hypercall(target_ulong opcode, spapr_hcall_fn fn);
569 target_ulong spapr_hypercall(PowerPCCPU *cpu, target_ulong opcode,
570                              target_ulong *args);
571 
572 target_ulong do_client_architecture_support(PowerPCCPU *cpu,
573                                             SpaprMachineState *spapr,
574                                             target_ulong addr,
575                                             target_ulong fdt_bufsize);
576 
577 /* Virtual Processor Area structure constants */
578 #define VPA_MIN_SIZE           640
579 #define VPA_SIZE_OFFSET        0x4
580 #define VPA_SHARED_PROC_OFFSET 0x9
581 #define VPA_SHARED_PROC_VAL    0x2
582 #define VPA_DISPATCH_COUNTER   0x100
583 
584 /* ibm,set-eeh-option */
585 #define RTAS_EEH_DISABLE                 0
586 #define RTAS_EEH_ENABLE                  1
587 #define RTAS_EEH_THAW_IO                 2
588 #define RTAS_EEH_THAW_DMA                3
589 
590 /* ibm,get-config-addr-info2 */
591 #define RTAS_GET_PE_ADDR                 0
592 #define RTAS_GET_PE_MODE                 1
593 #define RTAS_PE_MODE_NONE                0
594 #define RTAS_PE_MODE_NOT_SHARED          1
595 #define RTAS_PE_MODE_SHARED              2
596 
597 /* ibm,read-slot-reset-state2 */
598 #define RTAS_EEH_PE_STATE_NORMAL         0
599 #define RTAS_EEH_PE_STATE_RESET          1
600 #define RTAS_EEH_PE_STATE_STOPPED_IO_DMA 2
601 #define RTAS_EEH_PE_STATE_STOPPED_DMA    4
602 #define RTAS_EEH_PE_STATE_UNAVAIL        5
603 #define RTAS_EEH_NOT_SUPPORT             0
604 #define RTAS_EEH_SUPPORT                 1
605 #define RTAS_EEH_PE_UNAVAIL_INFO         1000
606 #define RTAS_EEH_PE_RECOVER_INFO         0
607 
608 /* ibm,set-slot-reset */
609 #define RTAS_SLOT_RESET_DEACTIVATE       0
610 #define RTAS_SLOT_RESET_HOT              1
611 #define RTAS_SLOT_RESET_FUNDAMENTAL      3
612 
613 /* ibm,slot-error-detail */
614 #define RTAS_SLOT_TEMP_ERR_LOG           1
615 #define RTAS_SLOT_PERM_ERR_LOG           2
616 
617 /* RTAS return codes */
618 #define RTAS_OUT_SUCCESS                        0
619 #define RTAS_OUT_NO_ERRORS_FOUND                1
620 #define RTAS_OUT_HW_ERROR                       -1
621 #define RTAS_OUT_BUSY                           -2
622 #define RTAS_OUT_PARAM_ERROR                    -3
623 #define RTAS_OUT_NOT_SUPPORTED                  -3
624 #define RTAS_OUT_NO_SUCH_INDICATOR              -3
625 #define RTAS_OUT_NOT_AUTHORIZED                 -9002
626 #define RTAS_OUT_SYSPARM_PARAM_ERROR            -9999
627 
628 /* DDW pagesize mask values from ibm,query-pe-dma-window */
629 #define RTAS_DDW_PGSIZE_4K       0x01
630 #define RTAS_DDW_PGSIZE_64K      0x02
631 #define RTAS_DDW_PGSIZE_16M      0x04
632 #define RTAS_DDW_PGSIZE_32M      0x08
633 #define RTAS_DDW_PGSIZE_64M      0x10
634 #define RTAS_DDW_PGSIZE_128M     0x20
635 #define RTAS_DDW_PGSIZE_256M     0x40
636 #define RTAS_DDW_PGSIZE_16G      0x80
637 
638 /* RTAS tokens */
639 #define RTAS_TOKEN_BASE      0x2000
640 
641 #define RTAS_DISPLAY_CHARACTER                  (RTAS_TOKEN_BASE + 0x00)
642 #define RTAS_GET_TIME_OF_DAY                    (RTAS_TOKEN_BASE + 0x01)
643 #define RTAS_SET_TIME_OF_DAY                    (RTAS_TOKEN_BASE + 0x02)
644 #define RTAS_POWER_OFF                          (RTAS_TOKEN_BASE + 0x03)
645 #define RTAS_SYSTEM_REBOOT                      (RTAS_TOKEN_BASE + 0x04)
646 #define RTAS_QUERY_CPU_STOPPED_STATE            (RTAS_TOKEN_BASE + 0x05)
647 #define RTAS_START_CPU                          (RTAS_TOKEN_BASE + 0x06)
648 #define RTAS_STOP_SELF                          (RTAS_TOKEN_BASE + 0x07)
649 #define RTAS_IBM_GET_SYSTEM_PARAMETER           (RTAS_TOKEN_BASE + 0x08)
650 #define RTAS_IBM_SET_SYSTEM_PARAMETER           (RTAS_TOKEN_BASE + 0x09)
651 #define RTAS_IBM_SET_XIVE                       (RTAS_TOKEN_BASE + 0x0A)
652 #define RTAS_IBM_GET_XIVE                       (RTAS_TOKEN_BASE + 0x0B)
653 #define RTAS_IBM_INT_OFF                        (RTAS_TOKEN_BASE + 0x0C)
654 #define RTAS_IBM_INT_ON                         (RTAS_TOKEN_BASE + 0x0D)
655 #define RTAS_CHECK_EXCEPTION                    (RTAS_TOKEN_BASE + 0x0E)
656 #define RTAS_EVENT_SCAN                         (RTAS_TOKEN_BASE + 0x0F)
657 #define RTAS_IBM_SET_TCE_BYPASS                 (RTAS_TOKEN_BASE + 0x10)
658 #define RTAS_QUIESCE                            (RTAS_TOKEN_BASE + 0x11)
659 #define RTAS_NVRAM_FETCH                        (RTAS_TOKEN_BASE + 0x12)
660 #define RTAS_NVRAM_STORE                        (RTAS_TOKEN_BASE + 0x13)
661 #define RTAS_READ_PCI_CONFIG                    (RTAS_TOKEN_BASE + 0x14)
662 #define RTAS_WRITE_PCI_CONFIG                   (RTAS_TOKEN_BASE + 0x15)
663 #define RTAS_IBM_READ_PCI_CONFIG                (RTAS_TOKEN_BASE + 0x16)
664 #define RTAS_IBM_WRITE_PCI_CONFIG               (RTAS_TOKEN_BASE + 0x17)
665 #define RTAS_IBM_QUERY_INTERRUPT_SOURCE_NUMBER  (RTAS_TOKEN_BASE + 0x18)
666 #define RTAS_IBM_CHANGE_MSI                     (RTAS_TOKEN_BASE + 0x19)
667 #define RTAS_SET_INDICATOR                      (RTAS_TOKEN_BASE + 0x1A)
668 #define RTAS_SET_POWER_LEVEL                    (RTAS_TOKEN_BASE + 0x1B)
669 #define RTAS_GET_POWER_LEVEL                    (RTAS_TOKEN_BASE + 0x1C)
670 #define RTAS_GET_SENSOR_STATE                   (RTAS_TOKEN_BASE + 0x1D)
671 #define RTAS_IBM_CONFIGURE_CONNECTOR            (RTAS_TOKEN_BASE + 0x1E)
672 #define RTAS_IBM_OS_TERM                        (RTAS_TOKEN_BASE + 0x1F)
673 #define RTAS_IBM_SET_EEH_OPTION                 (RTAS_TOKEN_BASE + 0x20)
674 #define RTAS_IBM_GET_CONFIG_ADDR_INFO2          (RTAS_TOKEN_BASE + 0x21)
675 #define RTAS_IBM_READ_SLOT_RESET_STATE2         (RTAS_TOKEN_BASE + 0x22)
676 #define RTAS_IBM_SET_SLOT_RESET                 (RTAS_TOKEN_BASE + 0x23)
677 #define RTAS_IBM_CONFIGURE_PE                   (RTAS_TOKEN_BASE + 0x24)
678 #define RTAS_IBM_SLOT_ERROR_DETAIL              (RTAS_TOKEN_BASE + 0x25)
679 #define RTAS_IBM_QUERY_PE_DMA_WINDOW            (RTAS_TOKEN_BASE + 0x26)
680 #define RTAS_IBM_CREATE_PE_DMA_WINDOW           (RTAS_TOKEN_BASE + 0x27)
681 #define RTAS_IBM_REMOVE_PE_DMA_WINDOW           (RTAS_TOKEN_BASE + 0x28)
682 #define RTAS_IBM_RESET_PE_DMA_WINDOW            (RTAS_TOKEN_BASE + 0x29)
683 #define RTAS_IBM_SUSPEND_ME                     (RTAS_TOKEN_BASE + 0x2A)
684 #define RTAS_IBM_NMI_REGISTER                   (RTAS_TOKEN_BASE + 0x2B)
685 #define RTAS_IBM_NMI_INTERLOCK                  (RTAS_TOKEN_BASE + 0x2C)
686 
687 #define RTAS_TOKEN_MAX                          (RTAS_TOKEN_BASE + 0x2D)
688 
689 /* RTAS ibm,get-system-parameter token values */
690 #define RTAS_SYSPARM_SPLPAR_CHARACTERISTICS      20
691 #define RTAS_SYSPARM_DIAGNOSTICS_RUN_MODE        42
692 #define RTAS_SYSPARM_UUID                        48
693 
694 /* RTAS indicator/sensor types
695  *
696  * as defined by PAPR+ 2.7 7.3.5.4, Table 41
697  *
698  * NOTE: currently only DR-related sensors are implemented here
699  */
700 #define RTAS_SENSOR_TYPE_ISOLATION_STATE        9001
701 #define RTAS_SENSOR_TYPE_DR                     9002
702 #define RTAS_SENSOR_TYPE_ALLOCATION_STATE       9003
703 #define RTAS_SENSOR_TYPE_ENTITY_SENSE RTAS_SENSOR_TYPE_ALLOCATION_STATE
704 
705 /* Possible values for the platform-processor-diagnostics-run-mode parameter
706  * of the RTAS ibm,get-system-parameter call.
707  */
708 #define DIAGNOSTICS_RUN_MODE_DISABLED  0
709 #define DIAGNOSTICS_RUN_MODE_STAGGERED 1
710 #define DIAGNOSTICS_RUN_MODE_IMMEDIATE 2
711 #define DIAGNOSTICS_RUN_MODE_PERIODIC  3
712 
713 static inline uint64_t ppc64_phys_to_real(uint64_t addr)
714 {
715     return addr & ~0xF000000000000000ULL;
716 }
717 
718 static inline uint32_t rtas_ld(target_ulong phys, int n)
719 {
720     return ldl_be_phys(&address_space_memory, ppc64_phys_to_real(phys + 4*n));
721 }
722 
723 static inline uint64_t rtas_ldq(target_ulong phys, int n)
724 {
725     return (uint64_t)rtas_ld(phys, n) << 32 | rtas_ld(phys, n + 1);
726 }
727 
728 static inline void rtas_st(target_ulong phys, int n, uint32_t val)
729 {
730     stl_be_phys(&address_space_memory, ppc64_phys_to_real(phys + 4*n), val);
731 }
732 
733 typedef void (*spapr_rtas_fn)(PowerPCCPU *cpu, SpaprMachineState *sm,
734                               uint32_t token,
735                               uint32_t nargs, target_ulong args,
736                               uint32_t nret, target_ulong rets);
737 void spapr_rtas_register(int token, const char *name, spapr_rtas_fn fn);
738 target_ulong spapr_rtas_call(PowerPCCPU *cpu, SpaprMachineState *sm,
739                              uint32_t token, uint32_t nargs, target_ulong args,
740                              uint32_t nret, target_ulong rets);
741 void spapr_dt_rtas_tokens(void *fdt, int rtas);
742 void spapr_load_rtas(SpaprMachineState *spapr, void *fdt, hwaddr addr);
743 
744 #define SPAPR_TCE_PAGE_SHIFT   12
745 #define SPAPR_TCE_PAGE_SIZE    (1ULL << SPAPR_TCE_PAGE_SHIFT)
746 #define SPAPR_TCE_PAGE_MASK    (SPAPR_TCE_PAGE_SIZE - 1)
747 
748 #define SPAPR_VIO_BASE_LIOBN    0x00000000
749 #define SPAPR_VIO_LIOBN(reg)    (0x00000000 | (reg))
750 #define SPAPR_PCI_LIOBN(phb_index, window_num) \
751     (0x80000000 | ((phb_index) << 8) | (window_num))
752 #define SPAPR_IS_PCI_LIOBN(liobn)   (!!((liobn) & 0x80000000))
753 #define SPAPR_PCI_DMA_WINDOW_NUM(liobn) ((liobn) & 0xff)
754 
755 #define RTAS_SIZE               2048
756 #define RTAS_ERROR_LOG_MAX      2048
757 
758 /* Offset from rtas-base where error log is placed */
759 #define RTAS_ERROR_LOG_OFFSET       0x30
760 
761 #define RTAS_EVENT_SCAN_RATE    1
762 
763 /* This helper should be used to encode interrupt specifiers when the related
764  * "interrupt-controller" node has its "#interrupt-cells" property set to 2 (ie,
765  * VIO devices, RTAS event sources and PHBs).
766  */
767 static inline void spapr_dt_irq(uint32_t *intspec, int irq, bool is_lsi)
768 {
769     intspec[0] = cpu_to_be32(irq);
770     intspec[1] = is_lsi ? cpu_to_be32(1) : 0;
771 }
772 
773 typedef struct SpaprTceTable SpaprTceTable;
774 
775 #define TYPE_SPAPR_TCE_TABLE "spapr-tce-table"
776 #define SPAPR_TCE_TABLE(obj) \
777     OBJECT_CHECK(SpaprTceTable, (obj), TYPE_SPAPR_TCE_TABLE)
778 
779 #define TYPE_SPAPR_IOMMU_MEMORY_REGION "spapr-iommu-memory-region"
780 #define SPAPR_IOMMU_MEMORY_REGION(obj) \
781         OBJECT_CHECK(IOMMUMemoryRegion, (obj), TYPE_SPAPR_IOMMU_MEMORY_REGION)
782 
783 struct SpaprTceTable {
784     DeviceState parent;
785     uint32_t liobn;
786     uint32_t nb_table;
787     uint64_t bus_offset;
788     uint32_t page_shift;
789     uint64_t *table;
790     uint32_t mig_nb_table;
791     uint64_t *mig_table;
792     bool bypass;
793     bool need_vfio;
794     bool skipping_replay;
795     int fd;
796     MemoryRegion root;
797     IOMMUMemoryRegion iommu;
798     struct SpaprVioDevice *vdev; /* for @bypass migration compatibility only */
799     QLIST_ENTRY(SpaprTceTable) list;
800 };
801 
802 SpaprTceTable *spapr_tce_find_by_liobn(target_ulong liobn);
803 
804 struct SpaprEventLogEntry {
805     uint32_t summary;
806     uint32_t extended_length;
807     void *extended_log;
808     QTAILQ_ENTRY(SpaprEventLogEntry) next;
809 };
810 
811 void *spapr_build_fdt(SpaprMachineState *spapr, bool reset, size_t space);
812 void spapr_events_init(SpaprMachineState *sm);
813 void spapr_dt_events(SpaprMachineState *sm, void *fdt);
814 void close_htab_fd(SpaprMachineState *spapr);
815 void spapr_setup_hpt(SpaprMachineState *spapr);
816 void spapr_free_hpt(SpaprMachineState *spapr);
817 SpaprTceTable *spapr_tce_new_table(DeviceState *owner, uint32_t liobn);
818 void spapr_tce_table_enable(SpaprTceTable *tcet,
819                             uint32_t page_shift, uint64_t bus_offset,
820                             uint32_t nb_table);
821 void spapr_tce_table_disable(SpaprTceTable *tcet);
822 void spapr_tce_set_need_vfio(SpaprTceTable *tcet, bool need_vfio);
823 
824 MemoryRegion *spapr_tce_get_iommu(SpaprTceTable *tcet);
825 int spapr_dma_dt(void *fdt, int node_off, const char *propname,
826                  uint32_t liobn, uint64_t window, uint32_t size);
827 int spapr_tcet_dma_dt(void *fdt, int node_off, const char *propname,
828                       SpaprTceTable *tcet);
829 void spapr_pci_switch_vga(bool big_endian);
830 void spapr_hotplug_req_add_by_index(SpaprDrc *drc);
831 void spapr_hotplug_req_remove_by_index(SpaprDrc *drc);
832 void spapr_hotplug_req_add_by_count(SpaprDrcType drc_type,
833                                        uint32_t count);
834 void spapr_hotplug_req_remove_by_count(SpaprDrcType drc_type,
835                                           uint32_t count);
836 void spapr_hotplug_req_add_by_count_indexed(SpaprDrcType drc_type,
837                                             uint32_t count, uint32_t index);
838 void spapr_hotplug_req_remove_by_count_indexed(SpaprDrcType drc_type,
839                                                uint32_t count, uint32_t index);
840 int spapr_hpt_shift_for_ramsize(uint64_t ramsize);
841 void spapr_reallocate_hpt(SpaprMachineState *spapr, int shift,
842                           Error **errp);
843 void spapr_clear_pending_events(SpaprMachineState *spapr);
844 void spapr_clear_pending_hotplug_events(SpaprMachineState *spapr);
845 int spapr_max_server_number(SpaprMachineState *spapr);
846 void spapr_store_hpte(PowerPCCPU *cpu, hwaddr ptex,
847                       uint64_t pte0, uint64_t pte1);
848 void spapr_mce_req_event(PowerPCCPU *cpu, bool recovered);
849 
850 /* DRC callbacks. */
851 void spapr_core_release(DeviceState *dev);
852 int spapr_core_dt_populate(SpaprDrc *drc, SpaprMachineState *spapr,
853                            void *fdt, int *fdt_start_offset, Error **errp);
854 void spapr_lmb_release(DeviceState *dev);
855 int spapr_lmb_dt_populate(SpaprDrc *drc, SpaprMachineState *spapr,
856                           void *fdt, int *fdt_start_offset, Error **errp);
857 void spapr_phb_release(DeviceState *dev);
858 int spapr_phb_dt_populate(SpaprDrc *drc, SpaprMachineState *spapr,
859                           void *fdt, int *fdt_start_offset, Error **errp);
860 
861 void spapr_rtc_read(SpaprRtcState *rtc, struct tm *tm, uint32_t *ns);
862 int spapr_rtc_import_offset(SpaprRtcState *rtc, int64_t legacy_offset);
863 
864 #define TYPE_SPAPR_RNG "spapr-rng"
865 
866 #define SPAPR_MEMORY_BLOCK_SIZE ((hwaddr)1 << 28) /* 256MB */
867 
868 /*
869  * This defines the maximum number of DIMM slots we can have for sPAPR
870  * guest. This is not defined by sPAPR but we are defining it to 32 slots
871  * based on default number of slots provided by PowerPC kernel.
872  */
873 #define SPAPR_MAX_RAM_SLOTS     32
874 
875 /* 1GB alignment for hotplug memory region */
876 #define SPAPR_DEVICE_MEM_ALIGN (1 * GiB)
877 
878 /*
879  * Number of 32 bit words in each LMB list entry in ibm,dynamic-memory
880  * property under ibm,dynamic-reconfiguration-memory node.
881  */
882 #define SPAPR_DR_LMB_LIST_ENTRY_SIZE 6
883 
884 /*
885  * Defines for flag value in ibm,dynamic-memory property under
886  * ibm,dynamic-reconfiguration-memory node.
887  */
888 #define SPAPR_LMB_FLAGS_ASSIGNED 0x00000008
889 #define SPAPR_LMB_FLAGS_DRC_INVALID 0x00000020
890 #define SPAPR_LMB_FLAGS_RESERVED 0x00000080
891 #define SPAPR_LMB_FLAGS_HOTREMOVABLE 0x00000100
892 
893 void spapr_do_system_reset_on_cpu(CPUState *cs, run_on_cpu_data arg);
894 
895 #define HTAB_SIZE(spapr)        (1ULL << ((spapr)->htab_shift))
896 
897 int spapr_get_vcpu_id(PowerPCCPU *cpu);
898 void spapr_set_vcpu_id(PowerPCCPU *cpu, int cpu_index, Error **errp);
899 PowerPCCPU *spapr_find_cpu(int vcpu_id);
900 
901 int spapr_caps_pre_load(void *opaque);
902 int spapr_caps_pre_save(void *opaque);
903 
904 /*
905  * Handling of optional capabilities
906  */
907 extern const VMStateDescription vmstate_spapr_cap_htm;
908 extern const VMStateDescription vmstate_spapr_cap_vsx;
909 extern const VMStateDescription vmstate_spapr_cap_dfp;
910 extern const VMStateDescription vmstate_spapr_cap_cfpc;
911 extern const VMStateDescription vmstate_spapr_cap_sbbc;
912 extern const VMStateDescription vmstate_spapr_cap_ibs;
913 extern const VMStateDescription vmstate_spapr_cap_hpt_maxpagesize;
914 extern const VMStateDescription vmstate_spapr_cap_nested_kvm_hv;
915 extern const VMStateDescription vmstate_spapr_cap_large_decr;
916 extern const VMStateDescription vmstate_spapr_cap_ccf_assist;
917 extern const VMStateDescription vmstate_spapr_cap_fwnmi;
918 
919 static inline uint8_t spapr_get_cap(SpaprMachineState *spapr, int cap)
920 {
921     return spapr->eff.caps[cap];
922 }
923 
924 void spapr_caps_init(SpaprMachineState *spapr);
925 void spapr_caps_apply(SpaprMachineState *spapr);
926 void spapr_caps_cpu_apply(SpaprMachineState *spapr, PowerPCCPU *cpu);
927 void spapr_caps_add_properties(SpaprMachineClass *smc);
928 int spapr_caps_post_migration(SpaprMachineState *spapr);
929 
930 void spapr_check_pagesize(SpaprMachineState *spapr, hwaddr pagesize,
931                           Error **errp);
932 /*
933  * XIVE definitions
934  */
935 #define SPAPR_OV5_XIVE_LEGACY   0x0
936 #define SPAPR_OV5_XIVE_EXPLOIT  0x40
937 #define SPAPR_OV5_XIVE_BOTH     0x80 /* Only to advertise on the platform */
938 
939 void spapr_set_all_lpcrs(target_ulong value, target_ulong mask);
940 hwaddr spapr_get_rtas_addr(void);
941 #endif /* HW_SPAPR_H */
942