xref: /openbmc/qemu/include/hw/ppc/spapr.h (revision d4b70fa4)
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 OBJECT_DECLARE_SIMPLE_TYPE(SpaprRtcState, SPAPR_RTC)
32 
33 struct SpaprRtcState {
34     /*< private >*/
35     DeviceState parent_obj;
36     int64_t ns_offset;
37 };
38 
39 typedef struct SpaprDimmState SpaprDimmState;
40 
41 #define TYPE_SPAPR_MACHINE      "spapr-machine"
42 OBJECT_DECLARE_TYPE(SpaprMachineState, SpaprMachineClass, SPAPR_MACHINE)
43 
44 typedef enum {
45     SPAPR_RESIZE_HPT_DEFAULT = 0,
46     SPAPR_RESIZE_HPT_DISABLED,
47     SPAPR_RESIZE_HPT_ENABLED,
48     SPAPR_RESIZE_HPT_REQUIRED,
49 } SpaprResizeHpt;
50 
51 /**
52  * Capabilities
53  */
54 
55 /* Hardware Transactional Memory */
56 #define SPAPR_CAP_HTM                   0x00
57 /* Vector Scalar Extensions */
58 #define SPAPR_CAP_VSX                   0x01
59 /* Decimal Floating Point */
60 #define SPAPR_CAP_DFP                   0x02
61 /* Cache Flush on Privilege Change */
62 #define SPAPR_CAP_CFPC                  0x03
63 /* Speculation Barrier Bounds Checking */
64 #define SPAPR_CAP_SBBC                  0x04
65 /* Indirect Branch Serialisation */
66 #define SPAPR_CAP_IBS                   0x05
67 /* HPT Maximum Page Size (encoded as a shift) */
68 #define SPAPR_CAP_HPT_MAXPAGESIZE       0x06
69 /* Nested KVM-HV */
70 #define SPAPR_CAP_NESTED_KVM_HV         0x07
71 /* Large Decrementer */
72 #define SPAPR_CAP_LARGE_DECREMENTER     0x08
73 /* Count Cache Flush Assist HW Instruction */
74 #define SPAPR_CAP_CCF_ASSIST            0x09
75 /* Implements PAPR FWNMI option */
76 #define SPAPR_CAP_FWNMI                 0x0A
77 /* Num Caps */
78 #define SPAPR_CAP_NUM                   (SPAPR_CAP_FWNMI + 1)
79 
80 /*
81  * Capability Values
82  */
83 /* Bool Caps */
84 #define SPAPR_CAP_OFF                   0x00
85 #define SPAPR_CAP_ON                    0x01
86 
87 /* Custom Caps */
88 
89 /* Generic */
90 #define SPAPR_CAP_BROKEN                0x00
91 #define SPAPR_CAP_WORKAROUND            0x01
92 #define SPAPR_CAP_FIXED                 0x02
93 /* SPAPR_CAP_IBS (cap-ibs) */
94 #define SPAPR_CAP_FIXED_IBS             0x02
95 #define SPAPR_CAP_FIXED_CCD             0x03
96 #define SPAPR_CAP_FIXED_NA              0x10 /* Lets leave a bit of a gap... */
97 
98 #define FDT_MAX_SIZE                    0x100000
99 
100 /*
101  * NUMA related macros. MAX_DISTANCE_REF_POINTS was taken
102  * from Linux kernel arch/powerpc/mm/numa.h. It represents the
103  * amount of associativity domains for non-CPU resources.
104  *
105  * NUMA_ASSOC_SIZE is the base array size of an ibm,associativity
106  * array for any non-CPU resource.
107  *
108  * VCPU_ASSOC_SIZE represents the size of ibm,associativity array
109  * for CPUs, which has an extra element (vcpu_id) in the end.
110  */
111 #define MAX_DISTANCE_REF_POINTS    4
112 #define NUMA_ASSOC_SIZE            (MAX_DISTANCE_REF_POINTS + 1)
113 #define VCPU_ASSOC_SIZE            (NUMA_ASSOC_SIZE + 1)
114 
115 typedef struct SpaprCapabilities SpaprCapabilities;
116 struct SpaprCapabilities {
117     uint8_t caps[SPAPR_CAP_NUM];
118 };
119 
120 /**
121  * SpaprMachineClass:
122  */
123 struct SpaprMachineClass {
124     /*< private >*/
125     MachineClass parent_class;
126 
127     /*< public >*/
128     bool dr_lmb_enabled;       /* enable dynamic-reconfig/hotplug of LMBs */
129     bool dr_phb_enabled;       /* enable dynamic-reconfig/hotplug of PHBs */
130     bool update_dt_enabled;    /* enable KVMPPC_H_UPDATE_DT */
131     bool use_ohci_by_default;  /* use USB-OHCI instead of XHCI */
132     bool pre_2_10_has_unused_icps;
133     bool legacy_irq_allocation;
134     uint32_t nr_xirqs;
135     bool broken_host_serial_model; /* present real host info to the guest */
136     bool pre_4_1_migration; /* don't migrate hpt-max-page-size */
137     bool linux_pci_probe;
138     bool smp_threads_vsmt; /* set VSMT to smp_threads by default */
139     hwaddr rma_limit;          /* clamp the RMA to this size */
140     bool pre_5_1_assoc_refpoints;
141 
142     void (*phb_placement)(SpaprMachineState *spapr, uint32_t index,
143                           uint64_t *buid, hwaddr *pio,
144                           hwaddr *mmio32, hwaddr *mmio64,
145                           unsigned n_dma, uint32_t *liobns, hwaddr *nv2gpa,
146                           hwaddr *nv2atsd, Error **errp);
147     SpaprResizeHpt resize_hpt_default;
148     SpaprCapabilities default_caps;
149     SpaprIrq *irq;
150 };
151 
152 /**
153  * SpaprMachineState:
154  */
155 struct SpaprMachineState {
156     /*< private >*/
157     MachineState parent_obj;
158 
159     struct SpaprVioBus *vio_bus;
160     QLIST_HEAD(, SpaprPhbState) phbs;
161     struct SpaprNvram *nvram;
162     SpaprRtcState rtc;
163 
164     SpaprResizeHpt resize_hpt;
165     void *htab;
166     uint32_t htab_shift;
167     uint64_t patb_entry; /* Process tbl registed in H_REGISTER_PROCESS_TABLE */
168     SpaprPendingHpt *pending_hpt; /* in-progress resize */
169 
170     hwaddr rma_size;
171     uint32_t fdt_size;
172     uint32_t fdt_initial_size;
173     void *fdt_blob;
174     long kernel_size;
175     bool kernel_le;
176     uint64_t kernel_addr;
177     uint32_t initrd_base;
178     long initrd_size;
179     uint64_t rtc_offset; /* Now used only during incoming migration */
180     struct PPCTimebase tb;
181     bool has_graphics;
182     uint32_t vsmt;       /* Virtual SMT mode (KVM's "core stride") */
183 
184     Notifier epow_notifier;
185     QTAILQ_HEAD(, SpaprEventLogEntry) pending_events;
186     bool use_hotplug_event_source;
187     SpaprEventSource *event_sources;
188 
189     /* ibm,client-architecture-support option negotiation */
190     bool cas_pre_isa3_guest;
191     SpaprOptionVector *ov5;         /* QEMU-supported option vectors */
192     SpaprOptionVector *ov5_cas;     /* negotiated (via CAS) option vectors */
193     uint32_t max_compat_pvr;
194 
195     /* Migration state */
196     int htab_save_index;
197     bool htab_first_pass;
198     int htab_fd;
199 
200     /* Pending DIMM unplug cache. It is populated when a LMB
201      * unplug starts. It can be regenerated if a migration
202      * occurs during the unplug process. */
203     QTAILQ_HEAD(, SpaprDimmState) pending_dimm_unplugs;
204 
205     /* State related to FWNMI option */
206 
207     /* System Reset and Machine Check Notification Routine addresses
208      * registered by "ibm,nmi-register" RTAS call.
209      */
210     target_ulong fwnmi_system_reset_addr;
211     target_ulong fwnmi_machine_check_addr;
212 
213     /* Machine Check FWNMI synchronization, fwnmi_machine_check_interlock is
214      * set to -1 if a FWNMI machine check is not in progress, else is set to
215      * the CPU that was delivered the machine check, and is set back to -1
216      * when that CPU makes an "ibm,nmi-interlock" RTAS call. The cond is used
217      * to synchronize other CPUs.
218      */
219     int fwnmi_machine_check_interlock;
220     QemuCond fwnmi_machine_check_interlock_cond;
221 
222     /*< public >*/
223     char *kvm_type;
224     char *host_model;
225     char *host_serial;
226 
227     int32_t irq_map_nr;
228     unsigned long *irq_map;
229     SpaprIrq *irq;
230     qemu_irq *qirqs;
231     SpaprInterruptController *active_intc;
232     ICSState *ics;
233     SpaprXive *xive;
234 
235     bool cmd_line_caps[SPAPR_CAP_NUM];
236     SpaprCapabilities def, eff, mig;
237 
238     unsigned gpu_numa_id;
239     SpaprTpmProxy *tpm_proxy;
240 
241     uint32_t numa_assoc_array[MAX_NODES][NUMA_ASSOC_SIZE];
242 
243     Error *fwnmi_migration_blocker;
244 };
245 
246 #define H_SUCCESS         0
247 #define H_BUSY            1        /* Hardware busy -- retry later */
248 #define H_CLOSED          2        /* Resource closed */
249 #define H_NOT_AVAILABLE   3
250 #define H_CONSTRAINED     4        /* Resource request constrained to max allowed */
251 #define H_PARTIAL         5
252 #define H_IN_PROGRESS     14       /* Kind of like busy */
253 #define H_PAGE_REGISTERED 15
254 #define H_PARTIAL_STORE   16
255 #define H_PENDING         17       /* returned from H_POLL_PENDING */
256 #define H_CONTINUE        18       /* Returned from H_Join on success */
257 #define H_LONG_BUSY_START_RANGE         9900  /* Start of long busy range */
258 #define H_LONG_BUSY_ORDER_1_MSEC        9900  /* Long busy, hint that 1msec \
259                                                  is a good time to retry */
260 #define H_LONG_BUSY_ORDER_10_MSEC       9901  /* Long busy, hint that 10msec \
261                                                  is a good time to retry */
262 #define H_LONG_BUSY_ORDER_100_MSEC      9902  /* Long busy, hint that 100msec \
263                                                  is a good time to retry */
264 #define H_LONG_BUSY_ORDER_1_SEC         9903  /* Long busy, hint that 1sec \
265                                                  is a good time to retry */
266 #define H_LONG_BUSY_ORDER_10_SEC        9904  /* Long busy, hint that 10sec \
267                                                  is a good time to retry */
268 #define H_LONG_BUSY_ORDER_100_SEC       9905  /* Long busy, hint that 100sec \
269                                                  is a good time to retry */
270 #define H_LONG_BUSY_END_RANGE           9905  /* End of long busy range */
271 #define H_HARDWARE        -1       /* Hardware error */
272 #define H_FUNCTION        -2       /* Function not supported */
273 #define H_PRIVILEGE       -3       /* Caller not privileged */
274 #define H_PARAMETER       -4       /* Parameter invalid, out-of-range or conflicting */
275 #define H_BAD_MODE        -5       /* Illegal msr value */
276 #define H_PTEG_FULL       -6       /* PTEG is full */
277 #define H_NOT_FOUND       -7       /* PTE was not found" */
278 #define H_RESERVED_DABR   -8       /* DABR address is reserved by the hypervisor on this processor" */
279 #define H_NO_MEM          -9
280 #define H_AUTHORITY       -10
281 #define H_PERMISSION      -11
282 #define H_DROPPED         -12
283 #define H_SOURCE_PARM     -13
284 #define H_DEST_PARM       -14
285 #define H_REMOTE_PARM     -15
286 #define H_RESOURCE        -16
287 #define H_ADAPTER_PARM    -17
288 #define H_RH_PARM         -18
289 #define H_RCQ_PARM        -19
290 #define H_SCQ_PARM        -20
291 #define H_EQ_PARM         -21
292 #define H_RT_PARM         -22
293 #define H_ST_PARM         -23
294 #define H_SIGT_PARM       -24
295 #define H_TOKEN_PARM      -25
296 #define H_MLENGTH_PARM    -27
297 #define H_MEM_PARM        -28
298 #define H_MEM_ACCESS_PARM -29
299 #define H_ATTR_PARM       -30
300 #define H_PORT_PARM       -31
301 #define H_MCG_PARM        -32
302 #define H_VL_PARM         -33
303 #define H_TSIZE_PARM      -34
304 #define H_TRACE_PARM      -35
305 
306 #define H_MASK_PARM       -37
307 #define H_MCG_FULL        -38
308 #define H_ALIAS_EXIST     -39
309 #define H_P_COUNTER       -40
310 #define H_TABLE_FULL      -41
311 #define H_ALT_TABLE       -42
312 #define H_MR_CONDITION    -43
313 #define H_NOT_ENOUGH_RESOURCES -44
314 #define H_R_STATE         -45
315 #define H_RESCINDEND      -46
316 #define H_P2              -55
317 #define H_P3              -56
318 #define H_P4              -57
319 #define H_P5              -58
320 #define H_P6              -59
321 #define H_P7              -60
322 #define H_P8              -61
323 #define H_P9              -62
324 #define H_OVERLAP         -68
325 #define H_UNSUPPORTED_FLAG -256
326 #define H_MULTI_THREADS_ACTIVE -9005
327 
328 
329 /* Long Busy is a condition that can be returned by the firmware
330  * when a call cannot be completed now, but the identical call
331  * should be retried later.  This prevents calls blocking in the
332  * firmware for long periods of time.  Annoyingly the firmware can return
333  * a range of return codes, hinting at how long we should wait before
334  * retrying.  If you don't care for the hint, the macro below is a good
335  * way to check for the long_busy return codes
336  */
337 #define H_IS_LONG_BUSY(x)  ((x >= H_LONG_BUSY_START_RANGE) \
338                             && (x <= H_LONG_BUSY_END_RANGE))
339 
340 /* Flags */
341 #define H_LARGE_PAGE      (1ULL<<(63-16))
342 #define H_EXACT           (1ULL<<(63-24))       /* Use exact PTE or return H_PTEG_FULL */
343 #define H_R_XLATE         (1ULL<<(63-25))       /* include a valid logical page num in the pte if the valid bit is set */
344 #define H_READ_4          (1ULL<<(63-26))       /* Return 4 PTEs */
345 #define H_PAGE_STATE_CHANGE (1ULL<<(63-28))
346 #define H_PAGE_UNUSED     ((1ULL<<(63-29)) | (1ULL<<(63-30)))
347 #define H_PAGE_SET_UNUSED (H_PAGE_STATE_CHANGE | H_PAGE_UNUSED)
348 #define H_PAGE_SET_LOANED (H_PAGE_SET_UNUSED | (1ULL<<(63-31)))
349 #define H_PAGE_SET_ACTIVE H_PAGE_STATE_CHANGE
350 #define H_AVPN            (1ULL<<(63-32))       /* An avpn is provided as a sanity test */
351 #define H_ANDCOND         (1ULL<<(63-33))
352 #define H_ICACHE_INVALIDATE (1ULL<<(63-40))     /* icbi, etc.  (ignored for IO pages) */
353 #define H_ICACHE_SYNCHRONIZE (1ULL<<(63-41))    /* dcbst, icbi, etc (ignored for IO pages */
354 #define H_ZERO_PAGE       (1ULL<<(63-48))       /* zero the page before mapping (ignored for IO pages) */
355 #define H_COPY_PAGE       (1ULL<<(63-49))
356 #define H_N               (1ULL<<(63-61))
357 #define H_PP1             (1ULL<<(63-62))
358 #define H_PP2             (1ULL<<(63-63))
359 
360 /* Values for 2nd argument to H_SET_MODE */
361 #define H_SET_MODE_RESOURCE_SET_CIABR           1
362 #define H_SET_MODE_RESOURCE_SET_DAWR            2
363 #define H_SET_MODE_RESOURCE_ADDR_TRANS_MODE     3
364 #define H_SET_MODE_RESOURCE_LE                  4
365 
366 /* Flags for H_SET_MODE_RESOURCE_LE */
367 #define H_SET_MODE_ENDIAN_BIG    0
368 #define H_SET_MODE_ENDIAN_LITTLE 1
369 
370 /* VASI States */
371 #define H_VASI_INVALID    0
372 #define H_VASI_ENABLED    1
373 #define H_VASI_ABORTED    2
374 #define H_VASI_SUSPENDING 3
375 #define H_VASI_SUSPENDED  4
376 #define H_VASI_RESUMED    5
377 #define H_VASI_COMPLETED  6
378 
379 /* DABRX flags */
380 #define H_DABRX_HYPERVISOR (1ULL<<(63-61))
381 #define H_DABRX_KERNEL     (1ULL<<(63-62))
382 #define H_DABRX_USER       (1ULL<<(63-63))
383 
384 /* Values for KVM_PPC_GET_CPU_CHAR & H_GET_CPU_CHARACTERISTICS */
385 #define H_CPU_CHAR_SPEC_BAR_ORI31               PPC_BIT(0)
386 #define H_CPU_CHAR_BCCTRL_SERIALISED            PPC_BIT(1)
387 #define H_CPU_CHAR_L1D_FLUSH_ORI30              PPC_BIT(2)
388 #define H_CPU_CHAR_L1D_FLUSH_TRIG2              PPC_BIT(3)
389 #define H_CPU_CHAR_L1D_THREAD_PRIV              PPC_BIT(4)
390 #define H_CPU_CHAR_HON_BRANCH_HINTS             PPC_BIT(5)
391 #define H_CPU_CHAR_THR_RECONF_TRIG              PPC_BIT(6)
392 #define H_CPU_CHAR_CACHE_COUNT_DIS              PPC_BIT(7)
393 #define H_CPU_CHAR_BCCTR_FLUSH_ASSIST           PPC_BIT(9)
394 #define H_CPU_BEHAV_FAVOUR_SECURITY             PPC_BIT(0)
395 #define H_CPU_BEHAV_L1D_FLUSH_PR                PPC_BIT(1)
396 #define H_CPU_BEHAV_BNDS_CHK_SPEC_BAR           PPC_BIT(2)
397 #define H_CPU_BEHAV_FLUSH_COUNT_CACHE           PPC_BIT(5)
398 
399 /* Each control block has to be on a 4K boundary */
400 #define H_CB_ALIGNMENT     4096
401 
402 /* pSeries hypervisor opcodes */
403 #define H_REMOVE                0x04
404 #define H_ENTER                 0x08
405 #define H_READ                  0x0c
406 #define H_CLEAR_MOD             0x10
407 #define H_CLEAR_REF             0x14
408 #define H_PROTECT               0x18
409 #define H_GET_TCE               0x1c
410 #define H_PUT_TCE               0x20
411 #define H_SET_SPRG0             0x24
412 #define H_SET_DABR              0x28
413 #define H_PAGE_INIT             0x2c
414 #define H_SET_ASR               0x30
415 #define H_ASR_ON                0x34
416 #define H_ASR_OFF               0x38
417 #define H_LOGICAL_CI_LOAD       0x3c
418 #define H_LOGICAL_CI_STORE      0x40
419 #define H_LOGICAL_CACHE_LOAD    0x44
420 #define H_LOGICAL_CACHE_STORE   0x48
421 #define H_LOGICAL_ICBI          0x4c
422 #define H_LOGICAL_DCBF          0x50
423 #define H_GET_TERM_CHAR         0x54
424 #define H_PUT_TERM_CHAR         0x58
425 #define H_REAL_TO_LOGICAL       0x5c
426 #define H_HYPERVISOR_DATA       0x60
427 #define H_EOI                   0x64
428 #define H_CPPR                  0x68
429 #define H_IPI                   0x6c
430 #define H_IPOLL                 0x70
431 #define H_XIRR                  0x74
432 #define H_PERFMON               0x7c
433 #define H_MIGRATE_DMA           0x78
434 #define H_REGISTER_VPA          0xDC
435 #define H_CEDE                  0xE0
436 #define H_CONFER                0xE4
437 #define H_PROD                  0xE8
438 #define H_GET_PPP               0xEC
439 #define H_SET_PPP               0xF0
440 #define H_PURR                  0xF4
441 #define H_PIC                   0xF8
442 #define H_REG_CRQ               0xFC
443 #define H_FREE_CRQ              0x100
444 #define H_VIO_SIGNAL            0x104
445 #define H_SEND_CRQ              0x108
446 #define H_COPY_RDMA             0x110
447 #define H_REGISTER_LOGICAL_LAN  0x114
448 #define H_FREE_LOGICAL_LAN      0x118
449 #define H_ADD_LOGICAL_LAN_BUFFER 0x11C
450 #define H_SEND_LOGICAL_LAN      0x120
451 #define H_BULK_REMOVE           0x124
452 #define H_MULTICAST_CTRL        0x130
453 #define H_SET_XDABR             0x134
454 #define H_STUFF_TCE             0x138
455 #define H_PUT_TCE_INDIRECT      0x13C
456 #define H_CHANGE_LOGICAL_LAN_MAC 0x14C
457 #define H_VTERM_PARTNER_INFO    0x150
458 #define H_REGISTER_VTERM        0x154
459 #define H_FREE_VTERM            0x158
460 #define H_RESET_EVENTS          0x15C
461 #define H_ALLOC_RESOURCE        0x160
462 #define H_FREE_RESOURCE         0x164
463 #define H_MODIFY_QP             0x168
464 #define H_QUERY_QP              0x16C
465 #define H_REREGISTER_PMR        0x170
466 #define H_REGISTER_SMR          0x174
467 #define H_QUERY_MR              0x178
468 #define H_QUERY_MW              0x17C
469 #define H_QUERY_HCA             0x180
470 #define H_QUERY_PORT            0x184
471 #define H_MODIFY_PORT           0x188
472 #define H_DEFINE_AQP1           0x18C
473 #define H_GET_TRACE_BUFFER      0x190
474 #define H_DEFINE_AQP0           0x194
475 #define H_RESIZE_MR             0x198
476 #define H_ATTACH_MCQP           0x19C
477 #define H_DETACH_MCQP           0x1A0
478 #define H_CREATE_RPT            0x1A4
479 #define H_REMOVE_RPT            0x1A8
480 #define H_REGISTER_RPAGES       0x1AC
481 #define H_DISABLE_AND_GETC      0x1B0
482 #define H_ERROR_DATA            0x1B4
483 #define H_GET_HCA_INFO          0x1B8
484 #define H_GET_PERF_COUNT        0x1BC
485 #define H_MANAGE_TRACE          0x1C0
486 #define H_GET_CPU_CHARACTERISTICS 0x1C8
487 #define H_FREE_LOGICAL_LAN_BUFFER 0x1D4
488 #define H_QUERY_INT_STATE       0x1E4
489 #define H_POLL_PENDING          0x1D8
490 #define H_ILLAN_ATTRIBUTES      0x244
491 #define H_MODIFY_HEA_QP         0x250
492 #define H_QUERY_HEA_QP          0x254
493 #define H_QUERY_HEA             0x258
494 #define H_QUERY_HEA_PORT        0x25C
495 #define H_MODIFY_HEA_PORT       0x260
496 #define H_REG_BCMC              0x264
497 #define H_DEREG_BCMC            0x268
498 #define H_REGISTER_HEA_RPAGES   0x26C
499 #define H_DISABLE_AND_GET_HEA   0x270
500 #define H_GET_HEA_INFO          0x274
501 #define H_ALLOC_HEA_RESOURCE    0x278
502 #define H_ADD_CONN              0x284
503 #define H_DEL_CONN              0x288
504 #define H_JOIN                  0x298
505 #define H_VASI_STATE            0x2A4
506 #define H_ENABLE_CRQ            0x2B0
507 #define H_GET_EM_PARMS          0x2B8
508 #define H_SET_MPP               0x2D0
509 #define H_GET_MPP               0x2D4
510 #define H_HOME_NODE_ASSOCIATIVITY 0x2EC
511 #define H_XIRR_X                0x2FC
512 #define H_RANDOM                0x300
513 #define H_SET_MODE              0x31C
514 #define H_RESIZE_HPT_PREPARE    0x36C
515 #define H_RESIZE_HPT_COMMIT     0x370
516 #define H_CLEAN_SLB             0x374
517 #define H_INVALIDATE_PID        0x378
518 #define H_REGISTER_PROC_TBL     0x37C
519 #define H_SIGNAL_SYS_RESET      0x380
520 
521 #define H_INT_GET_SOURCE_INFO   0x3A8
522 #define H_INT_SET_SOURCE_CONFIG 0x3AC
523 #define H_INT_GET_SOURCE_CONFIG 0x3B0
524 #define H_INT_GET_QUEUE_INFO    0x3B4
525 #define H_INT_SET_QUEUE_CONFIG  0x3B8
526 #define H_INT_GET_QUEUE_CONFIG  0x3BC
527 #define H_INT_SET_OS_REPORTING_LINE 0x3C0
528 #define H_INT_GET_OS_REPORTING_LINE 0x3C4
529 #define H_INT_ESB               0x3C8
530 #define H_INT_SYNC              0x3CC
531 #define H_INT_RESET             0x3D0
532 #define H_SCM_READ_METADATA     0x3E4
533 #define H_SCM_WRITE_METADATA    0x3E8
534 #define H_SCM_BIND_MEM          0x3EC
535 #define H_SCM_UNBIND_MEM        0x3F0
536 #define H_SCM_UNBIND_ALL        0x3FC
537 
538 #define MAX_HCALL_OPCODE        H_SCM_UNBIND_ALL
539 
540 /* The hcalls above are standardized in PAPR and implemented by pHyp
541  * as well.
542  *
543  * We also need some hcalls which are specific to qemu / KVM-on-POWER.
544  * We put those into the 0xf000-0xfffc range which is reserved by PAPR
545  * for "platform-specific" hcalls.
546  */
547 #define KVMPPC_HCALL_BASE       0xf000
548 #define KVMPPC_H_RTAS           (KVMPPC_HCALL_BASE + 0x0)
549 #define KVMPPC_H_LOGICAL_MEMOP  (KVMPPC_HCALL_BASE + 0x1)
550 /* Client Architecture support */
551 #define KVMPPC_H_CAS            (KVMPPC_HCALL_BASE + 0x2)
552 #define KVMPPC_H_UPDATE_DT      (KVMPPC_HCALL_BASE + 0x3)
553 #define KVMPPC_HCALL_MAX        KVMPPC_H_UPDATE_DT
554 
555 /*
556  * The hcall range 0xEF00 to 0xEF80 is reserved for use in facilitating
557  * Secure VM mode via an Ultravisor / Protected Execution Facility
558  */
559 #define SVM_HCALL_BASE              0xEF00
560 #define SVM_H_TPM_COMM              0xEF10
561 #define SVM_HCALL_MAX               SVM_H_TPM_COMM
562 
563 
564 typedef struct SpaprDeviceTreeUpdateHeader {
565     uint32_t version_id;
566 } SpaprDeviceTreeUpdateHeader;
567 
568 #define hcall_dprintf(fmt, ...) \
569     do { \
570         qemu_log_mask(LOG_GUEST_ERROR, "%s: " fmt, __func__, ## __VA_ARGS__); \
571     } while (0)
572 
573 typedef target_ulong (*spapr_hcall_fn)(PowerPCCPU *cpu, SpaprMachineState *sm,
574                                        target_ulong opcode,
575                                        target_ulong *args);
576 
577 void spapr_register_hypercall(target_ulong opcode, spapr_hcall_fn fn);
578 target_ulong spapr_hypercall(PowerPCCPU *cpu, target_ulong opcode,
579                              target_ulong *args);
580 
581 target_ulong do_client_architecture_support(PowerPCCPU *cpu,
582                                             SpaprMachineState *spapr,
583                                             target_ulong addr,
584                                             target_ulong fdt_bufsize);
585 
586 /* Virtual Processor Area structure constants */
587 #define VPA_MIN_SIZE           640
588 #define VPA_SIZE_OFFSET        0x4
589 #define VPA_SHARED_PROC_OFFSET 0x9
590 #define VPA_SHARED_PROC_VAL    0x2
591 #define VPA_DISPATCH_COUNTER   0x100
592 
593 /* ibm,set-eeh-option */
594 #define RTAS_EEH_DISABLE                 0
595 #define RTAS_EEH_ENABLE                  1
596 #define RTAS_EEH_THAW_IO                 2
597 #define RTAS_EEH_THAW_DMA                3
598 
599 /* ibm,get-config-addr-info2 */
600 #define RTAS_GET_PE_ADDR                 0
601 #define RTAS_GET_PE_MODE                 1
602 #define RTAS_PE_MODE_NONE                0
603 #define RTAS_PE_MODE_NOT_SHARED          1
604 #define RTAS_PE_MODE_SHARED              2
605 
606 /* ibm,read-slot-reset-state2 */
607 #define RTAS_EEH_PE_STATE_NORMAL         0
608 #define RTAS_EEH_PE_STATE_RESET          1
609 #define RTAS_EEH_PE_STATE_STOPPED_IO_DMA 2
610 #define RTAS_EEH_PE_STATE_STOPPED_DMA    4
611 #define RTAS_EEH_PE_STATE_UNAVAIL        5
612 #define RTAS_EEH_NOT_SUPPORT             0
613 #define RTAS_EEH_SUPPORT                 1
614 #define RTAS_EEH_PE_UNAVAIL_INFO         1000
615 #define RTAS_EEH_PE_RECOVER_INFO         0
616 
617 /* ibm,set-slot-reset */
618 #define RTAS_SLOT_RESET_DEACTIVATE       0
619 #define RTAS_SLOT_RESET_HOT              1
620 #define RTAS_SLOT_RESET_FUNDAMENTAL      3
621 
622 /* ibm,slot-error-detail */
623 #define RTAS_SLOT_TEMP_ERR_LOG           1
624 #define RTAS_SLOT_PERM_ERR_LOG           2
625 
626 /* RTAS return codes */
627 #define RTAS_OUT_SUCCESS                        0
628 #define RTAS_OUT_NO_ERRORS_FOUND                1
629 #define RTAS_OUT_HW_ERROR                       -1
630 #define RTAS_OUT_BUSY                           -2
631 #define RTAS_OUT_PARAM_ERROR                    -3
632 #define RTAS_OUT_NOT_SUPPORTED                  -3
633 #define RTAS_OUT_NO_SUCH_INDICATOR              -3
634 #define RTAS_OUT_NOT_AUTHORIZED                 -9002
635 #define RTAS_OUT_SYSPARM_PARAM_ERROR            -9999
636 
637 /* DDW pagesize mask values from ibm,query-pe-dma-window */
638 #define RTAS_DDW_PGSIZE_4K       0x01
639 #define RTAS_DDW_PGSIZE_64K      0x02
640 #define RTAS_DDW_PGSIZE_16M      0x04
641 #define RTAS_DDW_PGSIZE_32M      0x08
642 #define RTAS_DDW_PGSIZE_64M      0x10
643 #define RTAS_DDW_PGSIZE_128M     0x20
644 #define RTAS_DDW_PGSIZE_256M     0x40
645 #define RTAS_DDW_PGSIZE_16G      0x80
646 
647 /* RTAS tokens */
648 #define RTAS_TOKEN_BASE      0x2000
649 
650 #define RTAS_DISPLAY_CHARACTER                  (RTAS_TOKEN_BASE + 0x00)
651 #define RTAS_GET_TIME_OF_DAY                    (RTAS_TOKEN_BASE + 0x01)
652 #define RTAS_SET_TIME_OF_DAY                    (RTAS_TOKEN_BASE + 0x02)
653 #define RTAS_POWER_OFF                          (RTAS_TOKEN_BASE + 0x03)
654 #define RTAS_SYSTEM_REBOOT                      (RTAS_TOKEN_BASE + 0x04)
655 #define RTAS_QUERY_CPU_STOPPED_STATE            (RTAS_TOKEN_BASE + 0x05)
656 #define RTAS_START_CPU                          (RTAS_TOKEN_BASE + 0x06)
657 #define RTAS_STOP_SELF                          (RTAS_TOKEN_BASE + 0x07)
658 #define RTAS_IBM_GET_SYSTEM_PARAMETER           (RTAS_TOKEN_BASE + 0x08)
659 #define RTAS_IBM_SET_SYSTEM_PARAMETER           (RTAS_TOKEN_BASE + 0x09)
660 #define RTAS_IBM_SET_XIVE                       (RTAS_TOKEN_BASE + 0x0A)
661 #define RTAS_IBM_GET_XIVE                       (RTAS_TOKEN_BASE + 0x0B)
662 #define RTAS_IBM_INT_OFF                        (RTAS_TOKEN_BASE + 0x0C)
663 #define RTAS_IBM_INT_ON                         (RTAS_TOKEN_BASE + 0x0D)
664 #define RTAS_CHECK_EXCEPTION                    (RTAS_TOKEN_BASE + 0x0E)
665 #define RTAS_EVENT_SCAN                         (RTAS_TOKEN_BASE + 0x0F)
666 #define RTAS_IBM_SET_TCE_BYPASS                 (RTAS_TOKEN_BASE + 0x10)
667 #define RTAS_QUIESCE                            (RTAS_TOKEN_BASE + 0x11)
668 #define RTAS_NVRAM_FETCH                        (RTAS_TOKEN_BASE + 0x12)
669 #define RTAS_NVRAM_STORE                        (RTAS_TOKEN_BASE + 0x13)
670 #define RTAS_READ_PCI_CONFIG                    (RTAS_TOKEN_BASE + 0x14)
671 #define RTAS_WRITE_PCI_CONFIG                   (RTAS_TOKEN_BASE + 0x15)
672 #define RTAS_IBM_READ_PCI_CONFIG                (RTAS_TOKEN_BASE + 0x16)
673 #define RTAS_IBM_WRITE_PCI_CONFIG               (RTAS_TOKEN_BASE + 0x17)
674 #define RTAS_IBM_QUERY_INTERRUPT_SOURCE_NUMBER  (RTAS_TOKEN_BASE + 0x18)
675 #define RTAS_IBM_CHANGE_MSI                     (RTAS_TOKEN_BASE + 0x19)
676 #define RTAS_SET_INDICATOR                      (RTAS_TOKEN_BASE + 0x1A)
677 #define RTAS_SET_POWER_LEVEL                    (RTAS_TOKEN_BASE + 0x1B)
678 #define RTAS_GET_POWER_LEVEL                    (RTAS_TOKEN_BASE + 0x1C)
679 #define RTAS_GET_SENSOR_STATE                   (RTAS_TOKEN_BASE + 0x1D)
680 #define RTAS_IBM_CONFIGURE_CONNECTOR            (RTAS_TOKEN_BASE + 0x1E)
681 #define RTAS_IBM_OS_TERM                        (RTAS_TOKEN_BASE + 0x1F)
682 #define RTAS_IBM_SET_EEH_OPTION                 (RTAS_TOKEN_BASE + 0x20)
683 #define RTAS_IBM_GET_CONFIG_ADDR_INFO2          (RTAS_TOKEN_BASE + 0x21)
684 #define RTAS_IBM_READ_SLOT_RESET_STATE2         (RTAS_TOKEN_BASE + 0x22)
685 #define RTAS_IBM_SET_SLOT_RESET                 (RTAS_TOKEN_BASE + 0x23)
686 #define RTAS_IBM_CONFIGURE_PE                   (RTAS_TOKEN_BASE + 0x24)
687 #define RTAS_IBM_SLOT_ERROR_DETAIL              (RTAS_TOKEN_BASE + 0x25)
688 #define RTAS_IBM_QUERY_PE_DMA_WINDOW            (RTAS_TOKEN_BASE + 0x26)
689 #define RTAS_IBM_CREATE_PE_DMA_WINDOW           (RTAS_TOKEN_BASE + 0x27)
690 #define RTAS_IBM_REMOVE_PE_DMA_WINDOW           (RTAS_TOKEN_BASE + 0x28)
691 #define RTAS_IBM_RESET_PE_DMA_WINDOW            (RTAS_TOKEN_BASE + 0x29)
692 #define RTAS_IBM_SUSPEND_ME                     (RTAS_TOKEN_BASE + 0x2A)
693 #define RTAS_IBM_NMI_REGISTER                   (RTAS_TOKEN_BASE + 0x2B)
694 #define RTAS_IBM_NMI_INTERLOCK                  (RTAS_TOKEN_BASE + 0x2C)
695 
696 #define RTAS_TOKEN_MAX                          (RTAS_TOKEN_BASE + 0x2D)
697 
698 /* RTAS ibm,get-system-parameter token values */
699 #define RTAS_SYSPARM_SPLPAR_CHARACTERISTICS      20
700 #define RTAS_SYSPARM_DIAGNOSTICS_RUN_MODE        42
701 #define RTAS_SYSPARM_UUID                        48
702 
703 /* RTAS indicator/sensor types
704  *
705  * as defined by PAPR+ 2.7 7.3.5.4, Table 41
706  *
707  * NOTE: currently only DR-related sensors are implemented here
708  */
709 #define RTAS_SENSOR_TYPE_ISOLATION_STATE        9001
710 #define RTAS_SENSOR_TYPE_DR                     9002
711 #define RTAS_SENSOR_TYPE_ALLOCATION_STATE       9003
712 #define RTAS_SENSOR_TYPE_ENTITY_SENSE RTAS_SENSOR_TYPE_ALLOCATION_STATE
713 
714 /* Possible values for the platform-processor-diagnostics-run-mode parameter
715  * of the RTAS ibm,get-system-parameter call.
716  */
717 #define DIAGNOSTICS_RUN_MODE_DISABLED  0
718 #define DIAGNOSTICS_RUN_MODE_STAGGERED 1
719 #define DIAGNOSTICS_RUN_MODE_IMMEDIATE 2
720 #define DIAGNOSTICS_RUN_MODE_PERIODIC  3
721 
722 static inline uint64_t ppc64_phys_to_real(uint64_t addr)
723 {
724     return addr & ~0xF000000000000000ULL;
725 }
726 
727 static inline uint32_t rtas_ld(target_ulong phys, int n)
728 {
729     return ldl_be_phys(&address_space_memory, ppc64_phys_to_real(phys + 4*n));
730 }
731 
732 static inline uint64_t rtas_ldq(target_ulong phys, int n)
733 {
734     return (uint64_t)rtas_ld(phys, n) << 32 | rtas_ld(phys, n + 1);
735 }
736 
737 static inline void rtas_st(target_ulong phys, int n, uint32_t val)
738 {
739     stl_be_phys(&address_space_memory, ppc64_phys_to_real(phys + 4*n), val);
740 }
741 
742 typedef void (*spapr_rtas_fn)(PowerPCCPU *cpu, SpaprMachineState *sm,
743                               uint32_t token,
744                               uint32_t nargs, target_ulong args,
745                               uint32_t nret, target_ulong rets);
746 void spapr_rtas_register(int token, const char *name, spapr_rtas_fn fn);
747 target_ulong spapr_rtas_call(PowerPCCPU *cpu, SpaprMachineState *sm,
748                              uint32_t token, uint32_t nargs, target_ulong args,
749                              uint32_t nret, target_ulong rets);
750 void spapr_dt_rtas_tokens(void *fdt, int rtas);
751 void spapr_load_rtas(SpaprMachineState *spapr, void *fdt, hwaddr addr);
752 
753 #define SPAPR_TCE_PAGE_SHIFT   12
754 #define SPAPR_TCE_PAGE_SIZE    (1ULL << SPAPR_TCE_PAGE_SHIFT)
755 #define SPAPR_TCE_PAGE_MASK    (SPAPR_TCE_PAGE_SIZE - 1)
756 
757 #define SPAPR_VIO_BASE_LIOBN    0x00000000
758 #define SPAPR_VIO_LIOBN(reg)    (0x00000000 | (reg))
759 #define SPAPR_PCI_LIOBN(phb_index, window_num) \
760     (0x80000000 | ((phb_index) << 8) | (window_num))
761 #define SPAPR_IS_PCI_LIOBN(liobn)   (!!((liobn) & 0x80000000))
762 #define SPAPR_PCI_DMA_WINDOW_NUM(liobn) ((liobn) & 0xff)
763 
764 #define RTAS_SIZE               2048
765 #define RTAS_ERROR_LOG_MAX      2048
766 
767 /* Offset from rtas-base where error log is placed */
768 #define RTAS_ERROR_LOG_OFFSET       0x30
769 
770 #define RTAS_EVENT_SCAN_RATE    1
771 
772 /* This helper should be used to encode interrupt specifiers when the related
773  * "interrupt-controller" node has its "#interrupt-cells" property set to 2 (ie,
774  * VIO devices, RTAS event sources and PHBs).
775  */
776 static inline void spapr_dt_irq(uint32_t *intspec, int irq, bool is_lsi)
777 {
778     intspec[0] = cpu_to_be32(irq);
779     intspec[1] = is_lsi ? cpu_to_be32(1) : 0;
780 }
781 
782 
783 #define TYPE_SPAPR_TCE_TABLE "spapr-tce-table"
784 OBJECT_DECLARE_SIMPLE_TYPE(SpaprTceTable, SPAPR_TCE_TABLE)
785 
786 #define TYPE_SPAPR_IOMMU_MEMORY_REGION "spapr-iommu-memory-region"
787 DECLARE_INSTANCE_CHECKER(IOMMUMemoryRegion, SPAPR_IOMMU_MEMORY_REGION,
788                          TYPE_SPAPR_IOMMU_MEMORY_REGION)
789 
790 struct SpaprTceTable {
791     DeviceState parent;
792     uint32_t liobn;
793     uint32_t nb_table;
794     uint64_t bus_offset;
795     uint32_t page_shift;
796     uint64_t *table;
797     uint32_t mig_nb_table;
798     uint64_t *mig_table;
799     bool bypass;
800     bool need_vfio;
801     bool skipping_replay;
802     int fd;
803     MemoryRegion root;
804     IOMMUMemoryRegion iommu;
805     struct SpaprVioDevice *vdev; /* for @bypass migration compatibility only */
806     QLIST_ENTRY(SpaprTceTable) list;
807 };
808 
809 SpaprTceTable *spapr_tce_find_by_liobn(target_ulong liobn);
810 
811 struct SpaprEventLogEntry {
812     uint32_t summary;
813     uint32_t extended_length;
814     void *extended_log;
815     QTAILQ_ENTRY(SpaprEventLogEntry) next;
816 };
817 
818 void *spapr_build_fdt(SpaprMachineState *spapr, bool reset, size_t space);
819 void spapr_events_init(SpaprMachineState *sm);
820 void spapr_dt_events(SpaprMachineState *sm, void *fdt);
821 void close_htab_fd(SpaprMachineState *spapr);
822 void spapr_setup_hpt(SpaprMachineState *spapr);
823 void spapr_free_hpt(SpaprMachineState *spapr);
824 SpaprTceTable *spapr_tce_new_table(DeviceState *owner, uint32_t liobn);
825 void spapr_tce_table_enable(SpaprTceTable *tcet,
826                             uint32_t page_shift, uint64_t bus_offset,
827                             uint32_t nb_table);
828 void spapr_tce_table_disable(SpaprTceTable *tcet);
829 void spapr_tce_set_need_vfio(SpaprTceTable *tcet, bool need_vfio);
830 
831 MemoryRegion *spapr_tce_get_iommu(SpaprTceTable *tcet);
832 int spapr_dma_dt(void *fdt, int node_off, const char *propname,
833                  uint32_t liobn, uint64_t window, uint32_t size);
834 int spapr_tcet_dma_dt(void *fdt, int node_off, const char *propname,
835                       SpaprTceTable *tcet);
836 void spapr_pci_switch_vga(bool big_endian);
837 void spapr_hotplug_req_add_by_index(SpaprDrc *drc);
838 void spapr_hotplug_req_remove_by_index(SpaprDrc *drc);
839 void spapr_hotplug_req_add_by_count(SpaprDrcType drc_type,
840                                        uint32_t count);
841 void spapr_hotplug_req_remove_by_count(SpaprDrcType drc_type,
842                                           uint32_t count);
843 void spapr_hotplug_req_add_by_count_indexed(SpaprDrcType drc_type,
844                                             uint32_t count, uint32_t index);
845 void spapr_hotplug_req_remove_by_count_indexed(SpaprDrcType drc_type,
846                                                uint32_t count, uint32_t index);
847 int spapr_hpt_shift_for_ramsize(uint64_t ramsize);
848 void spapr_reallocate_hpt(SpaprMachineState *spapr, int shift,
849                           Error **errp);
850 void spapr_clear_pending_events(SpaprMachineState *spapr);
851 void spapr_clear_pending_hotplug_events(SpaprMachineState *spapr);
852 int spapr_max_server_number(SpaprMachineState *spapr);
853 void spapr_store_hpte(PowerPCCPU *cpu, hwaddr ptex,
854                       uint64_t pte0, uint64_t pte1);
855 void spapr_mce_req_event(PowerPCCPU *cpu, bool recovered);
856 
857 /* DRC callbacks. */
858 void spapr_core_release(DeviceState *dev);
859 int spapr_core_dt_populate(SpaprDrc *drc, SpaprMachineState *spapr,
860                            void *fdt, int *fdt_start_offset, Error **errp);
861 void spapr_lmb_release(DeviceState *dev);
862 int spapr_lmb_dt_populate(SpaprDrc *drc, SpaprMachineState *spapr,
863                           void *fdt, int *fdt_start_offset, Error **errp);
864 void spapr_phb_release(DeviceState *dev);
865 int spapr_phb_dt_populate(SpaprDrc *drc, SpaprMachineState *spapr,
866                           void *fdt, int *fdt_start_offset, Error **errp);
867 
868 void spapr_rtc_read(SpaprRtcState *rtc, struct tm *tm, uint32_t *ns);
869 int spapr_rtc_import_offset(SpaprRtcState *rtc, int64_t legacy_offset);
870 
871 #define TYPE_SPAPR_RNG "spapr-rng"
872 
873 #define SPAPR_MEMORY_BLOCK_SIZE ((hwaddr)1 << 28) /* 256MB */
874 
875 /*
876  * This defines the maximum number of DIMM slots we can have for sPAPR
877  * guest. This is not defined by sPAPR but we are defining it to 32 slots
878  * based on default number of slots provided by PowerPC kernel.
879  */
880 #define SPAPR_MAX_RAM_SLOTS     32
881 
882 /* 1GB alignment for hotplug memory region */
883 #define SPAPR_DEVICE_MEM_ALIGN (1 * GiB)
884 
885 /*
886  * Number of 32 bit words in each LMB list entry in ibm,dynamic-memory
887  * property under ibm,dynamic-reconfiguration-memory node.
888  */
889 #define SPAPR_DR_LMB_LIST_ENTRY_SIZE 6
890 
891 /*
892  * Defines for flag value in ibm,dynamic-memory property under
893  * ibm,dynamic-reconfiguration-memory node.
894  */
895 #define SPAPR_LMB_FLAGS_ASSIGNED 0x00000008
896 #define SPAPR_LMB_FLAGS_DRC_INVALID 0x00000020
897 #define SPAPR_LMB_FLAGS_RESERVED 0x00000080
898 #define SPAPR_LMB_FLAGS_HOTREMOVABLE 0x00000100
899 
900 void spapr_do_system_reset_on_cpu(CPUState *cs, run_on_cpu_data arg);
901 
902 #define HTAB_SIZE(spapr)        (1ULL << ((spapr)->htab_shift))
903 
904 int spapr_get_vcpu_id(PowerPCCPU *cpu);
905 void spapr_set_vcpu_id(PowerPCCPU *cpu, int cpu_index, Error **errp);
906 PowerPCCPU *spapr_find_cpu(int vcpu_id);
907 
908 int spapr_caps_pre_load(void *opaque);
909 int spapr_caps_pre_save(void *opaque);
910 
911 /*
912  * Handling of optional capabilities
913  */
914 extern const VMStateDescription vmstate_spapr_cap_htm;
915 extern const VMStateDescription vmstate_spapr_cap_vsx;
916 extern const VMStateDescription vmstate_spapr_cap_dfp;
917 extern const VMStateDescription vmstate_spapr_cap_cfpc;
918 extern const VMStateDescription vmstate_spapr_cap_sbbc;
919 extern const VMStateDescription vmstate_spapr_cap_ibs;
920 extern const VMStateDescription vmstate_spapr_cap_hpt_maxpagesize;
921 extern const VMStateDescription vmstate_spapr_cap_nested_kvm_hv;
922 extern const VMStateDescription vmstate_spapr_cap_large_decr;
923 extern const VMStateDescription vmstate_spapr_cap_ccf_assist;
924 extern const VMStateDescription vmstate_spapr_cap_fwnmi;
925 
926 static inline uint8_t spapr_get_cap(SpaprMachineState *spapr, int cap)
927 {
928     return spapr->eff.caps[cap];
929 }
930 
931 void spapr_caps_init(SpaprMachineState *spapr);
932 void spapr_caps_apply(SpaprMachineState *spapr);
933 void spapr_caps_cpu_apply(SpaprMachineState *spapr, PowerPCCPU *cpu);
934 void spapr_caps_add_properties(SpaprMachineClass *smc);
935 int spapr_caps_post_migration(SpaprMachineState *spapr);
936 
937 void spapr_check_pagesize(SpaprMachineState *spapr, hwaddr pagesize,
938                           Error **errp);
939 /*
940  * XIVE definitions
941  */
942 #define SPAPR_OV5_XIVE_LEGACY   0x0
943 #define SPAPR_OV5_XIVE_EXPLOIT  0x40
944 #define SPAPR_OV5_XIVE_BOTH     0x80 /* Only to advertise on the platform */
945 
946 void spapr_set_all_lpcrs(target_ulong value, target_ulong mask);
947 hwaddr spapr_get_rtas_addr(void);
948 #endif /* HW_SPAPR_H */
949