xref: /openbmc/qemu/include/hw/ppc/spapr.h (revision c46184a9)
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                    0x200000
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 /* Max number of these GPUsper a physical box */
116 #define NVGPU_MAX_NUM                6
117 
118 typedef struct SpaprCapabilities SpaprCapabilities;
119 struct SpaprCapabilities {
120     uint8_t caps[SPAPR_CAP_NUM];
121 };
122 
123 /**
124  * SpaprMachineClass:
125  */
126 struct SpaprMachineClass {
127     /*< private >*/
128     MachineClass parent_class;
129 
130     /*< public >*/
131     bool dr_lmb_enabled;       /* enable dynamic-reconfig/hotplug of LMBs */
132     bool dr_phb_enabled;       /* enable dynamic-reconfig/hotplug of PHBs */
133     bool update_dt_enabled;    /* enable KVMPPC_H_UPDATE_DT */
134     bool use_ohci_by_default;  /* use USB-OHCI instead of XHCI */
135     bool pre_2_10_has_unused_icps;
136     bool legacy_irq_allocation;
137     uint32_t nr_xirqs;
138     bool broken_host_serial_model; /* present real host info to the guest */
139     bool pre_4_1_migration; /* don't migrate hpt-max-page-size */
140     bool linux_pci_probe;
141     bool smp_threads_vsmt; /* set VSMT to smp_threads by default */
142     hwaddr rma_limit;          /* clamp the RMA to this size */
143     bool pre_5_1_assoc_refpoints;
144     bool pre_5_2_numa_associativity;
145 
146     bool (*phb_placement)(SpaprMachineState *spapr, uint32_t index,
147                           uint64_t *buid, hwaddr *pio,
148                           hwaddr *mmio32, hwaddr *mmio64,
149                           unsigned n_dma, uint32_t *liobns, hwaddr *nv2gpa,
150                           hwaddr *nv2atsd, Error **errp);
151     SpaprResizeHpt resize_hpt_default;
152     SpaprCapabilities default_caps;
153     SpaprIrq *irq;
154 };
155 
156 /**
157  * SpaprMachineState:
158  */
159 struct SpaprMachineState {
160     /*< private >*/
161     MachineState parent_obj;
162 
163     struct SpaprVioBus *vio_bus;
164     QLIST_HEAD(, SpaprPhbState) phbs;
165     struct SpaprNvram *nvram;
166     SpaprRtcState rtc;
167 
168     SpaprResizeHpt resize_hpt;
169     void *htab;
170     uint32_t htab_shift;
171     uint64_t patb_entry; /* Process tbl registed in H_REGISTER_PROC_TBL */
172     SpaprPendingHpt *pending_hpt; /* in-progress resize */
173 
174     hwaddr rma_size;
175     uint32_t fdt_size;
176     uint32_t fdt_initial_size;
177     void *fdt_blob;
178     long kernel_size;
179     bool kernel_le;
180     uint64_t kernel_addr;
181     uint32_t initrd_base;
182     long initrd_size;
183     uint64_t rtc_offset; /* Now used only during incoming migration */
184     struct PPCTimebase tb;
185     bool has_graphics;
186     uint32_t vsmt;       /* Virtual SMT mode (KVM's "core stride") */
187 
188     Notifier epow_notifier;
189     QTAILQ_HEAD(, SpaprEventLogEntry) pending_events;
190     bool use_hotplug_event_source;
191     SpaprEventSource *event_sources;
192 
193     /* ibm,client-architecture-support option negotiation */
194     bool cas_pre_isa3_guest;
195     SpaprOptionVector *ov5;         /* QEMU-supported option vectors */
196     SpaprOptionVector *ov5_cas;     /* negotiated (via CAS) option vectors */
197     uint32_t max_compat_pvr;
198 
199     /* Migration state */
200     int htab_save_index;
201     bool htab_first_pass;
202     int htab_fd;
203 
204     /* Pending DIMM unplug cache. It is populated when a LMB
205      * unplug starts. It can be regenerated if a migration
206      * occurs during the unplug process. */
207     QTAILQ_HEAD(, SpaprDimmState) pending_dimm_unplugs;
208 
209     /* State related to FWNMI option */
210 
211     /* System Reset and Machine Check Notification Routine addresses
212      * registered by "ibm,nmi-register" RTAS call.
213      */
214     target_ulong fwnmi_system_reset_addr;
215     target_ulong fwnmi_machine_check_addr;
216 
217     /* Machine Check FWNMI synchronization, fwnmi_machine_check_interlock is
218      * set to -1 if a FWNMI machine check is not in progress, else is set to
219      * the CPU that was delivered the machine check, and is set back to -1
220      * when that CPU makes an "ibm,nmi-interlock" RTAS call. The cond is used
221      * to synchronize other CPUs.
222      */
223     int fwnmi_machine_check_interlock;
224     QemuCond fwnmi_machine_check_interlock_cond;
225 
226     /* Set by -boot */
227     char *boot_device;
228 
229     /*< public >*/
230     char *kvm_type;
231     char *host_model;
232     char *host_serial;
233 
234     int32_t irq_map_nr;
235     unsigned long *irq_map;
236     SpaprIrq *irq;
237     qemu_irq *qirqs;
238     SpaprInterruptController *active_intc;
239     ICSState *ics;
240     SpaprXive *xive;
241 
242     bool cmd_line_caps[SPAPR_CAP_NUM];
243     SpaprCapabilities def, eff, mig;
244 
245     unsigned gpu_numa_id;
246     SpaprTpmProxy *tpm_proxy;
247 
248     uint32_t numa_assoc_array[MAX_NODES + NVGPU_MAX_NUM][NUMA_ASSOC_SIZE];
249 
250     Error *fwnmi_migration_blocker;
251 };
252 
253 #define H_SUCCESS         0
254 #define H_BUSY            1        /* Hardware busy -- retry later */
255 #define H_CLOSED          2        /* Resource closed */
256 #define H_NOT_AVAILABLE   3
257 #define H_CONSTRAINED     4        /* Resource request constrained to max allowed */
258 #define H_PARTIAL         5
259 #define H_IN_PROGRESS     14       /* Kind of like busy */
260 #define H_PAGE_REGISTERED 15
261 #define H_PARTIAL_STORE   16
262 #define H_PENDING         17       /* returned from H_POLL_PENDING */
263 #define H_CONTINUE        18       /* Returned from H_Join on success */
264 #define H_LONG_BUSY_START_RANGE         9900  /* Start of long busy range */
265 #define H_LONG_BUSY_ORDER_1_MSEC        9900  /* Long busy, hint that 1msec \
266                                                  is a good time to retry */
267 #define H_LONG_BUSY_ORDER_10_MSEC       9901  /* Long busy, hint that 10msec \
268                                                  is a good time to retry */
269 #define H_LONG_BUSY_ORDER_100_MSEC      9902  /* Long busy, hint that 100msec \
270                                                  is a good time to retry */
271 #define H_LONG_BUSY_ORDER_1_SEC         9903  /* Long busy, hint that 1sec \
272                                                  is a good time to retry */
273 #define H_LONG_BUSY_ORDER_10_SEC        9904  /* Long busy, hint that 10sec \
274                                                  is a good time to retry */
275 #define H_LONG_BUSY_ORDER_100_SEC       9905  /* Long busy, hint that 100sec \
276                                                  is a good time to retry */
277 #define H_LONG_BUSY_END_RANGE           9905  /* End of long busy range */
278 #define H_HARDWARE        -1       /* Hardware error */
279 #define H_FUNCTION        -2       /* Function not supported */
280 #define H_PRIVILEGE       -3       /* Caller not privileged */
281 #define H_PARAMETER       -4       /* Parameter invalid, out-of-range or conflicting */
282 #define H_BAD_MODE        -5       /* Illegal msr value */
283 #define H_PTEG_FULL       -6       /* PTEG is full */
284 #define H_NOT_FOUND       -7       /* PTE was not found" */
285 #define H_RESERVED_DABR   -8       /* DABR address is reserved by the hypervisor on this processor" */
286 #define H_NO_MEM          -9
287 #define H_AUTHORITY       -10
288 #define H_PERMISSION      -11
289 #define H_DROPPED         -12
290 #define H_SOURCE_PARM     -13
291 #define H_DEST_PARM       -14
292 #define H_REMOTE_PARM     -15
293 #define H_RESOURCE        -16
294 #define H_ADAPTER_PARM    -17
295 #define H_RH_PARM         -18
296 #define H_RCQ_PARM        -19
297 #define H_SCQ_PARM        -20
298 #define H_EQ_PARM         -21
299 #define H_RT_PARM         -22
300 #define H_ST_PARM         -23
301 #define H_SIGT_PARM       -24
302 #define H_TOKEN_PARM      -25
303 #define H_MLENGTH_PARM    -27
304 #define H_MEM_PARM        -28
305 #define H_MEM_ACCESS_PARM -29
306 #define H_ATTR_PARM       -30
307 #define H_PORT_PARM       -31
308 #define H_MCG_PARM        -32
309 #define H_VL_PARM         -33
310 #define H_TSIZE_PARM      -34
311 #define H_TRACE_PARM      -35
312 
313 #define H_MASK_PARM       -37
314 #define H_MCG_FULL        -38
315 #define H_ALIAS_EXIST     -39
316 #define H_P_COUNTER       -40
317 #define H_TABLE_FULL      -41
318 #define H_ALT_TABLE       -42
319 #define H_MR_CONDITION    -43
320 #define H_NOT_ENOUGH_RESOURCES -44
321 #define H_R_STATE         -45
322 #define H_RESCINDEND      -46
323 #define H_P2              -55
324 #define H_P3              -56
325 #define H_P4              -57
326 #define H_P5              -58
327 #define H_P6              -59
328 #define H_P7              -60
329 #define H_P8              -61
330 #define H_P9              -62
331 #define H_OVERLAP         -68
332 #define H_UNSUPPORTED_FLAG -256
333 #define H_MULTI_THREADS_ACTIVE -9005
334 
335 
336 /* Long Busy is a condition that can be returned by the firmware
337  * when a call cannot be completed now, but the identical call
338  * should be retried later.  This prevents calls blocking in the
339  * firmware for long periods of time.  Annoyingly the firmware can return
340  * a range of return codes, hinting at how long we should wait before
341  * retrying.  If you don't care for the hint, the macro below is a good
342  * way to check for the long_busy return codes
343  */
344 #define H_IS_LONG_BUSY(x)  ((x >= H_LONG_BUSY_START_RANGE) \
345                             && (x <= H_LONG_BUSY_END_RANGE))
346 
347 /* Flags */
348 #define H_LARGE_PAGE      (1ULL<<(63-16))
349 #define H_EXACT           (1ULL<<(63-24))       /* Use exact PTE or return H_PTEG_FULL */
350 #define H_R_XLATE         (1ULL<<(63-25))       /* include a valid logical page num in the pte if the valid bit is set */
351 #define H_READ_4          (1ULL<<(63-26))       /* Return 4 PTEs */
352 #define H_PAGE_STATE_CHANGE (1ULL<<(63-28))
353 #define H_PAGE_UNUSED     ((1ULL<<(63-29)) | (1ULL<<(63-30)))
354 #define H_PAGE_SET_UNUSED (H_PAGE_STATE_CHANGE | H_PAGE_UNUSED)
355 #define H_PAGE_SET_LOANED (H_PAGE_SET_UNUSED | (1ULL<<(63-31)))
356 #define H_PAGE_SET_ACTIVE H_PAGE_STATE_CHANGE
357 #define H_AVPN            (1ULL<<(63-32))       /* An avpn is provided as a sanity test */
358 #define H_ANDCOND         (1ULL<<(63-33))
359 #define H_ICACHE_INVALIDATE (1ULL<<(63-40))     /* icbi, etc.  (ignored for IO pages) */
360 #define H_ICACHE_SYNCHRONIZE (1ULL<<(63-41))    /* dcbst, icbi, etc (ignored for IO pages */
361 #define H_ZERO_PAGE       (1ULL<<(63-48))       /* zero the page before mapping (ignored for IO pages) */
362 #define H_COPY_PAGE       (1ULL<<(63-49))
363 #define H_N               (1ULL<<(63-61))
364 #define H_PP1             (1ULL<<(63-62))
365 #define H_PP2             (1ULL<<(63-63))
366 
367 /* Values for 2nd argument to H_SET_MODE */
368 #define H_SET_MODE_RESOURCE_SET_CIABR           1
369 #define H_SET_MODE_RESOURCE_SET_DAWR0           2
370 #define H_SET_MODE_RESOURCE_ADDR_TRANS_MODE     3
371 #define H_SET_MODE_RESOURCE_LE                  4
372 
373 /* Flags for H_SET_MODE_RESOURCE_LE */
374 #define H_SET_MODE_ENDIAN_BIG    0
375 #define H_SET_MODE_ENDIAN_LITTLE 1
376 
377 /* VASI States */
378 #define H_VASI_INVALID    0
379 #define H_VASI_ENABLED    1
380 #define H_VASI_ABORTED    2
381 #define H_VASI_SUSPENDING 3
382 #define H_VASI_SUSPENDED  4
383 #define H_VASI_RESUMED    5
384 #define H_VASI_COMPLETED  6
385 
386 /* DABRX flags */
387 #define H_DABRX_HYPERVISOR (1ULL<<(63-61))
388 #define H_DABRX_KERNEL     (1ULL<<(63-62))
389 #define H_DABRX_USER       (1ULL<<(63-63))
390 
391 /* Values for KVM_PPC_GET_CPU_CHAR & H_GET_CPU_CHARACTERISTICS */
392 #define H_CPU_CHAR_SPEC_BAR_ORI31               PPC_BIT(0)
393 #define H_CPU_CHAR_BCCTRL_SERIALISED            PPC_BIT(1)
394 #define H_CPU_CHAR_L1D_FLUSH_ORI30              PPC_BIT(2)
395 #define H_CPU_CHAR_L1D_FLUSH_TRIG2              PPC_BIT(3)
396 #define H_CPU_CHAR_L1D_THREAD_PRIV              PPC_BIT(4)
397 #define H_CPU_CHAR_HON_BRANCH_HINTS             PPC_BIT(5)
398 #define H_CPU_CHAR_THR_RECONF_TRIG              PPC_BIT(6)
399 #define H_CPU_CHAR_CACHE_COUNT_DIS              PPC_BIT(7)
400 #define H_CPU_CHAR_BCCTR_FLUSH_ASSIST           PPC_BIT(9)
401 #define H_CPU_BEHAV_FAVOUR_SECURITY             PPC_BIT(0)
402 #define H_CPU_BEHAV_L1D_FLUSH_PR                PPC_BIT(1)
403 #define H_CPU_BEHAV_BNDS_CHK_SPEC_BAR           PPC_BIT(2)
404 #define H_CPU_BEHAV_FLUSH_COUNT_CACHE           PPC_BIT(5)
405 
406 /* Each control block has to be on a 4K boundary */
407 #define H_CB_ALIGNMENT     4096
408 
409 /* pSeries hypervisor opcodes */
410 #define H_REMOVE                0x04
411 #define H_ENTER                 0x08
412 #define H_READ                  0x0c
413 #define H_CLEAR_MOD             0x10
414 #define H_CLEAR_REF             0x14
415 #define H_PROTECT               0x18
416 #define H_GET_TCE               0x1c
417 #define H_PUT_TCE               0x20
418 #define H_SET_SPRG0             0x24
419 #define H_SET_DABR              0x28
420 #define H_PAGE_INIT             0x2c
421 #define H_SET_ASR               0x30
422 #define H_ASR_ON                0x34
423 #define H_ASR_OFF               0x38
424 #define H_LOGICAL_CI_LOAD       0x3c
425 #define H_LOGICAL_CI_STORE      0x40
426 #define H_LOGICAL_CACHE_LOAD    0x44
427 #define H_LOGICAL_CACHE_STORE   0x48
428 #define H_LOGICAL_ICBI          0x4c
429 #define H_LOGICAL_DCBF          0x50
430 #define H_GET_TERM_CHAR         0x54
431 #define H_PUT_TERM_CHAR         0x58
432 #define H_REAL_TO_LOGICAL       0x5c
433 #define H_HYPERVISOR_DATA       0x60
434 #define H_EOI                   0x64
435 #define H_CPPR                  0x68
436 #define H_IPI                   0x6c
437 #define H_IPOLL                 0x70
438 #define H_XIRR                  0x74
439 #define H_PERFMON               0x7c
440 #define H_MIGRATE_DMA           0x78
441 #define H_REGISTER_VPA          0xDC
442 #define H_CEDE                  0xE0
443 #define H_CONFER                0xE4
444 #define H_PROD                  0xE8
445 #define H_GET_PPP               0xEC
446 #define H_SET_PPP               0xF0
447 #define H_PURR                  0xF4
448 #define H_PIC                   0xF8
449 #define H_REG_CRQ               0xFC
450 #define H_FREE_CRQ              0x100
451 #define H_VIO_SIGNAL            0x104
452 #define H_SEND_CRQ              0x108
453 #define H_COPY_RDMA             0x110
454 #define H_REGISTER_LOGICAL_LAN  0x114
455 #define H_FREE_LOGICAL_LAN      0x118
456 #define H_ADD_LOGICAL_LAN_BUFFER 0x11C
457 #define H_SEND_LOGICAL_LAN      0x120
458 #define H_BULK_REMOVE           0x124
459 #define H_MULTICAST_CTRL        0x130
460 #define H_SET_XDABR             0x134
461 #define H_STUFF_TCE             0x138
462 #define H_PUT_TCE_INDIRECT      0x13C
463 #define H_CHANGE_LOGICAL_LAN_MAC 0x14C
464 #define H_VTERM_PARTNER_INFO    0x150
465 #define H_REGISTER_VTERM        0x154
466 #define H_FREE_VTERM            0x158
467 #define H_RESET_EVENTS          0x15C
468 #define H_ALLOC_RESOURCE        0x160
469 #define H_FREE_RESOURCE         0x164
470 #define H_MODIFY_QP             0x168
471 #define H_QUERY_QP              0x16C
472 #define H_REREGISTER_PMR        0x170
473 #define H_REGISTER_SMR          0x174
474 #define H_QUERY_MR              0x178
475 #define H_QUERY_MW              0x17C
476 #define H_QUERY_HCA             0x180
477 #define H_QUERY_PORT            0x184
478 #define H_MODIFY_PORT           0x188
479 #define H_DEFINE_AQP1           0x18C
480 #define H_GET_TRACE_BUFFER      0x190
481 #define H_DEFINE_AQP0           0x194
482 #define H_RESIZE_MR             0x198
483 #define H_ATTACH_MCQP           0x19C
484 #define H_DETACH_MCQP           0x1A0
485 #define H_CREATE_RPT            0x1A4
486 #define H_REMOVE_RPT            0x1A8
487 #define H_REGISTER_RPAGES       0x1AC
488 #define H_DISABLE_AND_GETC      0x1B0
489 #define H_ERROR_DATA            0x1B4
490 #define H_GET_HCA_INFO          0x1B8
491 #define H_GET_PERF_COUNT        0x1BC
492 #define H_MANAGE_TRACE          0x1C0
493 #define H_GET_CPU_CHARACTERISTICS 0x1C8
494 #define H_FREE_LOGICAL_LAN_BUFFER 0x1D4
495 #define H_QUERY_INT_STATE       0x1E4
496 #define H_POLL_PENDING          0x1D8
497 #define H_ILLAN_ATTRIBUTES      0x244
498 #define H_MODIFY_HEA_QP         0x250
499 #define H_QUERY_HEA_QP          0x254
500 #define H_QUERY_HEA             0x258
501 #define H_QUERY_HEA_PORT        0x25C
502 #define H_MODIFY_HEA_PORT       0x260
503 #define H_REG_BCMC              0x264
504 #define H_DEREG_BCMC            0x268
505 #define H_REGISTER_HEA_RPAGES   0x26C
506 #define H_DISABLE_AND_GET_HEA   0x270
507 #define H_GET_HEA_INFO          0x274
508 #define H_ALLOC_HEA_RESOURCE    0x278
509 #define H_ADD_CONN              0x284
510 #define H_DEL_CONN              0x288
511 #define H_JOIN                  0x298
512 #define H_VASI_STATE            0x2A4
513 #define H_ENABLE_CRQ            0x2B0
514 #define H_GET_EM_PARMS          0x2B8
515 #define H_SET_MPP               0x2D0
516 #define H_GET_MPP               0x2D4
517 #define H_HOME_NODE_ASSOCIATIVITY 0x2EC
518 #define H_XIRR_X                0x2FC
519 #define H_RANDOM                0x300
520 #define H_SET_MODE              0x31C
521 #define H_RESIZE_HPT_PREPARE    0x36C
522 #define H_RESIZE_HPT_COMMIT     0x370
523 #define H_CLEAN_SLB             0x374
524 #define H_INVALIDATE_PID        0x378
525 #define H_REGISTER_PROC_TBL     0x37C
526 #define H_SIGNAL_SYS_RESET      0x380
527 
528 #define H_INT_GET_SOURCE_INFO   0x3A8
529 #define H_INT_SET_SOURCE_CONFIG 0x3AC
530 #define H_INT_GET_SOURCE_CONFIG 0x3B0
531 #define H_INT_GET_QUEUE_INFO    0x3B4
532 #define H_INT_SET_QUEUE_CONFIG  0x3B8
533 #define H_INT_GET_QUEUE_CONFIG  0x3BC
534 #define H_INT_SET_OS_REPORTING_LINE 0x3C0
535 #define H_INT_GET_OS_REPORTING_LINE 0x3C4
536 #define H_INT_ESB               0x3C8
537 #define H_INT_SYNC              0x3CC
538 #define H_INT_RESET             0x3D0
539 #define H_SCM_READ_METADATA     0x3E4
540 #define H_SCM_WRITE_METADATA    0x3E8
541 #define H_SCM_BIND_MEM          0x3EC
542 #define H_SCM_UNBIND_MEM        0x3F0
543 #define H_SCM_UNBIND_ALL        0x3FC
544 #define H_SCM_HEALTH            0x400
545 
546 #define MAX_HCALL_OPCODE        H_SCM_HEALTH
547 
548 /* The hcalls above are standardized in PAPR and implemented by pHyp
549  * as well.
550  *
551  * We also need some hcalls which are specific to qemu / KVM-on-POWER.
552  * We put those into the 0xf000-0xfffc range which is reserved by PAPR
553  * for "platform-specific" hcalls.
554  */
555 #define KVMPPC_HCALL_BASE       0xf000
556 #define KVMPPC_H_RTAS           (KVMPPC_HCALL_BASE + 0x0)
557 #define KVMPPC_H_LOGICAL_MEMOP  (KVMPPC_HCALL_BASE + 0x1)
558 /* Client Architecture support */
559 #define KVMPPC_H_CAS            (KVMPPC_HCALL_BASE + 0x2)
560 #define KVMPPC_H_UPDATE_DT      (KVMPPC_HCALL_BASE + 0x3)
561 #define KVMPPC_HCALL_MAX        KVMPPC_H_UPDATE_DT
562 
563 /*
564  * The hcall range 0xEF00 to 0xEF80 is reserved for use in facilitating
565  * Secure VM mode via an Ultravisor / Protected Execution Facility
566  */
567 #define SVM_HCALL_BASE              0xEF00
568 #define SVM_H_TPM_COMM              0xEF10
569 #define SVM_HCALL_MAX               SVM_H_TPM_COMM
570 
571 
572 typedef struct SpaprDeviceTreeUpdateHeader {
573     uint32_t version_id;
574 } SpaprDeviceTreeUpdateHeader;
575 
576 #define hcall_dprintf(fmt, ...) \
577     do { \
578         qemu_log_mask(LOG_GUEST_ERROR, "%s: " fmt, __func__, ## __VA_ARGS__); \
579     } while (0)
580 
581 typedef target_ulong (*spapr_hcall_fn)(PowerPCCPU *cpu, SpaprMachineState *sm,
582                                        target_ulong opcode,
583                                        target_ulong *args);
584 
585 void spapr_register_hypercall(target_ulong opcode, spapr_hcall_fn fn);
586 target_ulong spapr_hypercall(PowerPCCPU *cpu, target_ulong opcode,
587                              target_ulong *args);
588 target_ulong softmmu_resize_hpt_prepare(PowerPCCPU *cpu, SpaprMachineState *spapr,
589                                          target_ulong shift);
590 target_ulong softmmu_resize_hpt_commit(PowerPCCPU *cpu, SpaprMachineState *spapr,
591                                         target_ulong flags, target_ulong shift);
592 bool is_ram_address(SpaprMachineState *spapr, hwaddr addr);
593 void push_sregs_to_kvm_pr(SpaprMachineState *spapr);
594 
595 /* Virtual Processor Area structure constants */
596 #define VPA_MIN_SIZE           640
597 #define VPA_SIZE_OFFSET        0x4
598 #define VPA_SHARED_PROC_OFFSET 0x9
599 #define VPA_SHARED_PROC_VAL    0x2
600 #define VPA_DISPATCH_COUNTER   0x100
601 
602 /* ibm,set-eeh-option */
603 #define RTAS_EEH_DISABLE                 0
604 #define RTAS_EEH_ENABLE                  1
605 #define RTAS_EEH_THAW_IO                 2
606 #define RTAS_EEH_THAW_DMA                3
607 
608 /* ibm,get-config-addr-info2 */
609 #define RTAS_GET_PE_ADDR                 0
610 #define RTAS_GET_PE_MODE                 1
611 #define RTAS_PE_MODE_NONE                0
612 #define RTAS_PE_MODE_NOT_SHARED          1
613 #define RTAS_PE_MODE_SHARED              2
614 
615 /* ibm,read-slot-reset-state2 */
616 #define RTAS_EEH_PE_STATE_NORMAL         0
617 #define RTAS_EEH_PE_STATE_RESET          1
618 #define RTAS_EEH_PE_STATE_STOPPED_IO_DMA 2
619 #define RTAS_EEH_PE_STATE_STOPPED_DMA    4
620 #define RTAS_EEH_PE_STATE_UNAVAIL        5
621 #define RTAS_EEH_NOT_SUPPORT             0
622 #define RTAS_EEH_SUPPORT                 1
623 #define RTAS_EEH_PE_UNAVAIL_INFO         1000
624 #define RTAS_EEH_PE_RECOVER_INFO         0
625 
626 /* ibm,set-slot-reset */
627 #define RTAS_SLOT_RESET_DEACTIVATE       0
628 #define RTAS_SLOT_RESET_HOT              1
629 #define RTAS_SLOT_RESET_FUNDAMENTAL      3
630 
631 /* ibm,slot-error-detail */
632 #define RTAS_SLOT_TEMP_ERR_LOG           1
633 #define RTAS_SLOT_PERM_ERR_LOG           2
634 
635 /* RTAS return codes */
636 #define RTAS_OUT_SUCCESS                        0
637 #define RTAS_OUT_NO_ERRORS_FOUND                1
638 #define RTAS_OUT_HW_ERROR                       -1
639 #define RTAS_OUT_BUSY                           -2
640 #define RTAS_OUT_PARAM_ERROR                    -3
641 #define RTAS_OUT_NOT_SUPPORTED                  -3
642 #define RTAS_OUT_NO_SUCH_INDICATOR              -3
643 #define RTAS_OUT_NOT_AUTHORIZED                 -9002
644 #define RTAS_OUT_SYSPARM_PARAM_ERROR            -9999
645 
646 /* DDW pagesize mask values from ibm,query-pe-dma-window */
647 #define RTAS_DDW_PGSIZE_4K       0x01
648 #define RTAS_DDW_PGSIZE_64K      0x02
649 #define RTAS_DDW_PGSIZE_16M      0x04
650 #define RTAS_DDW_PGSIZE_32M      0x08
651 #define RTAS_DDW_PGSIZE_64M      0x10
652 #define RTAS_DDW_PGSIZE_128M     0x20
653 #define RTAS_DDW_PGSIZE_256M     0x40
654 #define RTAS_DDW_PGSIZE_16G      0x80
655 
656 /* RTAS tokens */
657 #define RTAS_TOKEN_BASE      0x2000
658 
659 #define RTAS_DISPLAY_CHARACTER                  (RTAS_TOKEN_BASE + 0x00)
660 #define RTAS_GET_TIME_OF_DAY                    (RTAS_TOKEN_BASE + 0x01)
661 #define RTAS_SET_TIME_OF_DAY                    (RTAS_TOKEN_BASE + 0x02)
662 #define RTAS_POWER_OFF                          (RTAS_TOKEN_BASE + 0x03)
663 #define RTAS_SYSTEM_REBOOT                      (RTAS_TOKEN_BASE + 0x04)
664 #define RTAS_QUERY_CPU_STOPPED_STATE            (RTAS_TOKEN_BASE + 0x05)
665 #define RTAS_START_CPU                          (RTAS_TOKEN_BASE + 0x06)
666 #define RTAS_STOP_SELF                          (RTAS_TOKEN_BASE + 0x07)
667 #define RTAS_IBM_GET_SYSTEM_PARAMETER           (RTAS_TOKEN_BASE + 0x08)
668 #define RTAS_IBM_SET_SYSTEM_PARAMETER           (RTAS_TOKEN_BASE + 0x09)
669 #define RTAS_IBM_SET_XIVE                       (RTAS_TOKEN_BASE + 0x0A)
670 #define RTAS_IBM_GET_XIVE                       (RTAS_TOKEN_BASE + 0x0B)
671 #define RTAS_IBM_INT_OFF                        (RTAS_TOKEN_BASE + 0x0C)
672 #define RTAS_IBM_INT_ON                         (RTAS_TOKEN_BASE + 0x0D)
673 #define RTAS_CHECK_EXCEPTION                    (RTAS_TOKEN_BASE + 0x0E)
674 #define RTAS_EVENT_SCAN                         (RTAS_TOKEN_BASE + 0x0F)
675 #define RTAS_IBM_SET_TCE_BYPASS                 (RTAS_TOKEN_BASE + 0x10)
676 #define RTAS_QUIESCE                            (RTAS_TOKEN_BASE + 0x11)
677 #define RTAS_NVRAM_FETCH                        (RTAS_TOKEN_BASE + 0x12)
678 #define RTAS_NVRAM_STORE                        (RTAS_TOKEN_BASE + 0x13)
679 #define RTAS_READ_PCI_CONFIG                    (RTAS_TOKEN_BASE + 0x14)
680 #define RTAS_WRITE_PCI_CONFIG                   (RTAS_TOKEN_BASE + 0x15)
681 #define RTAS_IBM_READ_PCI_CONFIG                (RTAS_TOKEN_BASE + 0x16)
682 #define RTAS_IBM_WRITE_PCI_CONFIG               (RTAS_TOKEN_BASE + 0x17)
683 #define RTAS_IBM_QUERY_INTERRUPT_SOURCE_NUMBER  (RTAS_TOKEN_BASE + 0x18)
684 #define RTAS_IBM_CHANGE_MSI                     (RTAS_TOKEN_BASE + 0x19)
685 #define RTAS_SET_INDICATOR                      (RTAS_TOKEN_BASE + 0x1A)
686 #define RTAS_SET_POWER_LEVEL                    (RTAS_TOKEN_BASE + 0x1B)
687 #define RTAS_GET_POWER_LEVEL                    (RTAS_TOKEN_BASE + 0x1C)
688 #define RTAS_GET_SENSOR_STATE                   (RTAS_TOKEN_BASE + 0x1D)
689 #define RTAS_IBM_CONFIGURE_CONNECTOR            (RTAS_TOKEN_BASE + 0x1E)
690 #define RTAS_IBM_OS_TERM                        (RTAS_TOKEN_BASE + 0x1F)
691 #define RTAS_IBM_SET_EEH_OPTION                 (RTAS_TOKEN_BASE + 0x20)
692 #define RTAS_IBM_GET_CONFIG_ADDR_INFO2          (RTAS_TOKEN_BASE + 0x21)
693 #define RTAS_IBM_READ_SLOT_RESET_STATE2         (RTAS_TOKEN_BASE + 0x22)
694 #define RTAS_IBM_SET_SLOT_RESET                 (RTAS_TOKEN_BASE + 0x23)
695 #define RTAS_IBM_CONFIGURE_PE                   (RTAS_TOKEN_BASE + 0x24)
696 #define RTAS_IBM_SLOT_ERROR_DETAIL              (RTAS_TOKEN_BASE + 0x25)
697 #define RTAS_IBM_QUERY_PE_DMA_WINDOW            (RTAS_TOKEN_BASE + 0x26)
698 #define RTAS_IBM_CREATE_PE_DMA_WINDOW           (RTAS_TOKEN_BASE + 0x27)
699 #define RTAS_IBM_REMOVE_PE_DMA_WINDOW           (RTAS_TOKEN_BASE + 0x28)
700 #define RTAS_IBM_RESET_PE_DMA_WINDOW            (RTAS_TOKEN_BASE + 0x29)
701 #define RTAS_IBM_SUSPEND_ME                     (RTAS_TOKEN_BASE + 0x2A)
702 #define RTAS_IBM_NMI_REGISTER                   (RTAS_TOKEN_BASE + 0x2B)
703 #define RTAS_IBM_NMI_INTERLOCK                  (RTAS_TOKEN_BASE + 0x2C)
704 
705 #define RTAS_TOKEN_MAX                          (RTAS_TOKEN_BASE + 0x2D)
706 
707 /* RTAS ibm,get-system-parameter token values */
708 #define RTAS_SYSPARM_SPLPAR_CHARACTERISTICS      20
709 #define RTAS_SYSPARM_DIAGNOSTICS_RUN_MODE        42
710 #define RTAS_SYSPARM_UUID                        48
711 
712 /* RTAS indicator/sensor types
713  *
714  * as defined by PAPR+ 2.7 7.3.5.4, Table 41
715  *
716  * NOTE: currently only DR-related sensors are implemented here
717  */
718 #define RTAS_SENSOR_TYPE_ISOLATION_STATE        9001
719 #define RTAS_SENSOR_TYPE_DR                     9002
720 #define RTAS_SENSOR_TYPE_ALLOCATION_STATE       9003
721 #define RTAS_SENSOR_TYPE_ENTITY_SENSE RTAS_SENSOR_TYPE_ALLOCATION_STATE
722 
723 /* Possible values for the platform-processor-diagnostics-run-mode parameter
724  * of the RTAS ibm,get-system-parameter call.
725  */
726 #define DIAGNOSTICS_RUN_MODE_DISABLED  0
727 #define DIAGNOSTICS_RUN_MODE_STAGGERED 1
728 #define DIAGNOSTICS_RUN_MODE_IMMEDIATE 2
729 #define DIAGNOSTICS_RUN_MODE_PERIODIC  3
730 
731 static inline uint64_t ppc64_phys_to_real(uint64_t addr)
732 {
733     return addr & ~0xF000000000000000ULL;
734 }
735 
736 static inline uint32_t rtas_ld(target_ulong phys, int n)
737 {
738     return ldl_be_phys(&address_space_memory, ppc64_phys_to_real(phys + 4*n));
739 }
740 
741 static inline uint64_t rtas_ldq(target_ulong phys, int n)
742 {
743     return (uint64_t)rtas_ld(phys, n) << 32 | rtas_ld(phys, n + 1);
744 }
745 
746 static inline void rtas_st(target_ulong phys, int n, uint32_t val)
747 {
748     stl_be_phys(&address_space_memory, ppc64_phys_to_real(phys + 4*n), val);
749 }
750 
751 typedef void (*spapr_rtas_fn)(PowerPCCPU *cpu, SpaprMachineState *sm,
752                               uint32_t token,
753                               uint32_t nargs, target_ulong args,
754                               uint32_t nret, target_ulong rets);
755 void spapr_rtas_register(int token, const char *name, spapr_rtas_fn fn);
756 target_ulong spapr_rtas_call(PowerPCCPU *cpu, SpaprMachineState *sm,
757                              uint32_t token, uint32_t nargs, target_ulong args,
758                              uint32_t nret, target_ulong rets);
759 void spapr_dt_rtas_tokens(void *fdt, int rtas);
760 void spapr_load_rtas(SpaprMachineState *spapr, void *fdt, hwaddr addr);
761 
762 #define SPAPR_TCE_PAGE_SHIFT   12
763 #define SPAPR_TCE_PAGE_SIZE    (1ULL << SPAPR_TCE_PAGE_SHIFT)
764 #define SPAPR_TCE_PAGE_MASK    (SPAPR_TCE_PAGE_SIZE - 1)
765 
766 #define SPAPR_VIO_BASE_LIOBN    0x00000000
767 #define SPAPR_VIO_LIOBN(reg)    (0x00000000 | (reg))
768 #define SPAPR_PCI_LIOBN(phb_index, window_num) \
769     (0x80000000 | ((phb_index) << 8) | (window_num))
770 #define SPAPR_IS_PCI_LIOBN(liobn)   (!!((liobn) & 0x80000000))
771 #define SPAPR_PCI_DMA_WINDOW_NUM(liobn) ((liobn) & 0xff)
772 
773 #define RTAS_SIZE               2048
774 #define RTAS_ERROR_LOG_MAX      2048
775 
776 /* Offset from rtas-base where error log is placed */
777 #define RTAS_ERROR_LOG_OFFSET       0x30
778 
779 #define RTAS_EVENT_SCAN_RATE    1
780 
781 /* This helper should be used to encode interrupt specifiers when the related
782  * "interrupt-controller" node has its "#interrupt-cells" property set to 2 (ie,
783  * VIO devices, RTAS event sources and PHBs).
784  */
785 static inline void spapr_dt_irq(uint32_t *intspec, int irq, bool is_lsi)
786 {
787     intspec[0] = cpu_to_be32(irq);
788     intspec[1] = is_lsi ? cpu_to_be32(1) : 0;
789 }
790 
791 
792 #define TYPE_SPAPR_TCE_TABLE "spapr-tce-table"
793 OBJECT_DECLARE_SIMPLE_TYPE(SpaprTceTable, SPAPR_TCE_TABLE)
794 
795 #define TYPE_SPAPR_IOMMU_MEMORY_REGION "spapr-iommu-memory-region"
796 DECLARE_INSTANCE_CHECKER(IOMMUMemoryRegion, SPAPR_IOMMU_MEMORY_REGION,
797                          TYPE_SPAPR_IOMMU_MEMORY_REGION)
798 
799 struct SpaprTceTable {
800     DeviceState parent;
801     uint32_t liobn;
802     uint32_t nb_table;
803     uint64_t bus_offset;
804     uint32_t page_shift;
805     uint64_t *table;
806     uint32_t mig_nb_table;
807     uint64_t *mig_table;
808     bool bypass;
809     bool need_vfio;
810     bool skipping_replay;
811     int fd;
812     MemoryRegion root;
813     IOMMUMemoryRegion iommu;
814     struct SpaprVioDevice *vdev; /* for @bypass migration compatibility only */
815     QLIST_ENTRY(SpaprTceTable) list;
816 };
817 
818 SpaprTceTable *spapr_tce_find_by_liobn(target_ulong liobn);
819 
820 struct SpaprEventLogEntry {
821     uint32_t summary;
822     uint32_t extended_length;
823     void *extended_log;
824     QTAILQ_ENTRY(SpaprEventLogEntry) next;
825 };
826 
827 void *spapr_build_fdt(SpaprMachineState *spapr, bool reset, size_t space);
828 void spapr_events_init(SpaprMachineState *sm);
829 void spapr_dt_events(SpaprMachineState *sm, void *fdt);
830 void close_htab_fd(SpaprMachineState *spapr);
831 void spapr_setup_hpt(SpaprMachineState *spapr);
832 void spapr_free_hpt(SpaprMachineState *spapr);
833 void spapr_check_mmu_mode(bool guest_radix);
834 SpaprTceTable *spapr_tce_new_table(DeviceState *owner, uint32_t liobn);
835 void spapr_tce_table_enable(SpaprTceTable *tcet,
836                             uint32_t page_shift, uint64_t bus_offset,
837                             uint32_t nb_table);
838 void spapr_tce_table_disable(SpaprTceTable *tcet);
839 void spapr_tce_set_need_vfio(SpaprTceTable *tcet, bool need_vfio);
840 
841 MemoryRegion *spapr_tce_get_iommu(SpaprTceTable *tcet);
842 int spapr_dma_dt(void *fdt, int node_off, const char *propname,
843                  uint32_t liobn, uint64_t window, uint32_t size);
844 int spapr_tcet_dma_dt(void *fdt, int node_off, const char *propname,
845                       SpaprTceTable *tcet);
846 void spapr_pci_switch_vga(SpaprMachineState *spapr, bool big_endian);
847 void spapr_hotplug_req_add_by_index(SpaprDrc *drc);
848 void spapr_hotplug_req_remove_by_index(SpaprDrc *drc);
849 void spapr_hotplug_req_add_by_count(SpaprDrcType drc_type,
850                                        uint32_t count);
851 void spapr_hotplug_req_remove_by_count(SpaprDrcType drc_type,
852                                           uint32_t count);
853 void spapr_hotplug_req_add_by_count_indexed(SpaprDrcType drc_type,
854                                             uint32_t count, uint32_t index);
855 void spapr_hotplug_req_remove_by_count_indexed(SpaprDrcType drc_type,
856                                                uint32_t count, uint32_t index);
857 int spapr_hpt_shift_for_ramsize(uint64_t ramsize);
858 int spapr_reallocate_hpt(SpaprMachineState *spapr, int shift, Error **errp);
859 void spapr_clear_pending_events(SpaprMachineState *spapr);
860 void spapr_clear_pending_hotplug_events(SpaprMachineState *spapr);
861 void spapr_memory_unplug_rollback(SpaprMachineState *spapr, DeviceState *dev);
862 int spapr_max_server_number(SpaprMachineState *spapr);
863 void spapr_store_hpte(PowerPCCPU *cpu, hwaddr ptex,
864                       uint64_t pte0, uint64_t pte1);
865 void spapr_mce_req_event(PowerPCCPU *cpu, bool recovered);
866 
867 /* DRC callbacks. */
868 void spapr_core_release(DeviceState *dev);
869 int spapr_core_dt_populate(SpaprDrc *drc, SpaprMachineState *spapr,
870                            void *fdt, int *fdt_start_offset, Error **errp);
871 void spapr_lmb_release(DeviceState *dev);
872 int spapr_lmb_dt_populate(SpaprDrc *drc, SpaprMachineState *spapr,
873                           void *fdt, int *fdt_start_offset, Error **errp);
874 void spapr_phb_release(DeviceState *dev);
875 int spapr_phb_dt_populate(SpaprDrc *drc, SpaprMachineState *spapr,
876                           void *fdt, int *fdt_start_offset, Error **errp);
877 
878 void spapr_rtc_read(SpaprRtcState *rtc, struct tm *tm, uint32_t *ns);
879 int spapr_rtc_import_offset(SpaprRtcState *rtc, int64_t legacy_offset);
880 
881 #define TYPE_SPAPR_RNG "spapr-rng"
882 
883 #define SPAPR_MEMORY_BLOCK_SIZE ((hwaddr)1 << 28) /* 256MB */
884 
885 /*
886  * This defines the maximum number of DIMM slots we can have for sPAPR
887  * guest. This is not defined by sPAPR but we are defining it to 32 slots
888  * based on default number of slots provided by PowerPC kernel.
889  */
890 #define SPAPR_MAX_RAM_SLOTS     32
891 
892 /* 1GB alignment for hotplug memory region */
893 #define SPAPR_DEVICE_MEM_ALIGN (1 * GiB)
894 
895 /*
896  * Number of 32 bit words in each LMB list entry in ibm,dynamic-memory
897  * property under ibm,dynamic-reconfiguration-memory node.
898  */
899 #define SPAPR_DR_LMB_LIST_ENTRY_SIZE 6
900 
901 /*
902  * Defines for flag value in ibm,dynamic-memory property under
903  * ibm,dynamic-reconfiguration-memory node.
904  */
905 #define SPAPR_LMB_FLAGS_ASSIGNED 0x00000008
906 #define SPAPR_LMB_FLAGS_DRC_INVALID 0x00000020
907 #define SPAPR_LMB_FLAGS_RESERVED 0x00000080
908 #define SPAPR_LMB_FLAGS_HOTREMOVABLE 0x00000100
909 
910 void spapr_do_system_reset_on_cpu(CPUState *cs, run_on_cpu_data arg);
911 
912 #define HTAB_SIZE(spapr)        (1ULL << ((spapr)->htab_shift))
913 
914 int spapr_get_vcpu_id(PowerPCCPU *cpu);
915 bool spapr_set_vcpu_id(PowerPCCPU *cpu, int cpu_index, Error **errp);
916 PowerPCCPU *spapr_find_cpu(int vcpu_id);
917 
918 int spapr_caps_pre_load(void *opaque);
919 int spapr_caps_pre_save(void *opaque);
920 
921 /*
922  * Handling of optional capabilities
923  */
924 extern const VMStateDescription vmstate_spapr_cap_htm;
925 extern const VMStateDescription vmstate_spapr_cap_vsx;
926 extern const VMStateDescription vmstate_spapr_cap_dfp;
927 extern const VMStateDescription vmstate_spapr_cap_cfpc;
928 extern const VMStateDescription vmstate_spapr_cap_sbbc;
929 extern const VMStateDescription vmstate_spapr_cap_ibs;
930 extern const VMStateDescription vmstate_spapr_cap_hpt_maxpagesize;
931 extern const VMStateDescription vmstate_spapr_cap_nested_kvm_hv;
932 extern const VMStateDescription vmstate_spapr_cap_large_decr;
933 extern const VMStateDescription vmstate_spapr_cap_ccf_assist;
934 extern const VMStateDescription vmstate_spapr_cap_fwnmi;
935 
936 static inline uint8_t spapr_get_cap(SpaprMachineState *spapr, int cap)
937 {
938     return spapr->eff.caps[cap];
939 }
940 
941 void spapr_caps_init(SpaprMachineState *spapr);
942 void spapr_caps_apply(SpaprMachineState *spapr);
943 void spapr_caps_cpu_apply(SpaprMachineState *spapr, PowerPCCPU *cpu);
944 void spapr_caps_add_properties(SpaprMachineClass *smc);
945 int spapr_caps_post_migration(SpaprMachineState *spapr);
946 
947 bool spapr_check_pagesize(SpaprMachineState *spapr, hwaddr pagesize,
948                           Error **errp);
949 /*
950  * XIVE definitions
951  */
952 #define SPAPR_OV5_XIVE_LEGACY   0x0
953 #define SPAPR_OV5_XIVE_EXPLOIT  0x40
954 #define SPAPR_OV5_XIVE_BOTH     0x80 /* Only to advertise on the platform */
955 
956 void spapr_set_all_lpcrs(target_ulong value, target_ulong mask);
957 hwaddr spapr_get_rtas_addr(void);
958 bool spapr_memory_hot_unplug_supported(SpaprMachineState *spapr);
959 #endif /* HW_SPAPR_H */
960