xref: /openbmc/qemu/include/hw/ppc/spapr.h (revision bef6a77f)
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 #include "hw/ppc/spapr_nested.h" /* For SpaprMachineStateNested */
16 
17 struct SpaprVioBus;
18 struct SpaprPhbState;
19 struct SpaprNvram;
20 
21 typedef struct SpaprEventLogEntry SpaprEventLogEntry;
22 typedef struct SpaprEventSource SpaprEventSource;
23 typedef struct SpaprPendingHpt SpaprPendingHpt;
24 
25 typedef struct Vof Vof;
26 
27 #define HPTE64_V_HPTE_DIRTY     0x0000000000000040ULL
28 #define SPAPR_ENTRY_POINT       0x100
29 
30 #define SPAPR_TIMEBASE_FREQ     512000000ULL
31 
32 #define TYPE_SPAPR_RTC "spapr-rtc"
33 
34 OBJECT_DECLARE_SIMPLE_TYPE(SpaprRtcState, SPAPR_RTC)
35 
36 struct SpaprRtcState {
37     /*< private >*/
38     DeviceState parent_obj;
39     int64_t ns_offset;
40 };
41 
42 typedef struct SpaprDimmState SpaprDimmState;
43 
44 #define TYPE_SPAPR_MACHINE      "spapr-machine"
45 OBJECT_DECLARE_TYPE(SpaprMachineState, SpaprMachineClass, SPAPR_MACHINE)
46 
47 typedef enum {
48     SPAPR_RESIZE_HPT_DEFAULT = 0,
49     SPAPR_RESIZE_HPT_DISABLED,
50     SPAPR_RESIZE_HPT_ENABLED,
51     SPAPR_RESIZE_HPT_REQUIRED,
52 } SpaprResizeHpt;
53 
54 /**
55  * Capabilities
56  */
57 
58 /* Hardware Transactional Memory */
59 #define SPAPR_CAP_HTM                   0x00
60 /* Vector Scalar Extensions */
61 #define SPAPR_CAP_VSX                   0x01
62 /* Decimal Floating Point */
63 #define SPAPR_CAP_DFP                   0x02
64 /* Cache Flush on Privilege Change */
65 #define SPAPR_CAP_CFPC                  0x03
66 /* Speculation Barrier Bounds Checking */
67 #define SPAPR_CAP_SBBC                  0x04
68 /* Indirect Branch Serialisation */
69 #define SPAPR_CAP_IBS                   0x05
70 /* HPT Maximum Page Size (encoded as a shift) */
71 #define SPAPR_CAP_HPT_MAXPAGESIZE       0x06
72 /* Nested KVM-HV */
73 #define SPAPR_CAP_NESTED_KVM_HV         0x07
74 /* Large Decrementer */
75 #define SPAPR_CAP_LARGE_DECREMENTER     0x08
76 /* Count Cache Flush Assist HW Instruction */
77 #define SPAPR_CAP_CCF_ASSIST            0x09
78 /* Implements PAPR FWNMI option */
79 #define SPAPR_CAP_FWNMI                 0x0A
80 /* Support H_RPT_INVALIDATE */
81 #define SPAPR_CAP_RPT_INVALIDATE        0x0B
82 /* Support for AIL modes */
83 #define SPAPR_CAP_AIL_MODE_3            0x0C
84 /* Nested PAPR */
85 #define SPAPR_CAP_NESTED_PAPR           0x0D
86 /* Num Caps */
87 #define SPAPR_CAP_NUM                   (SPAPR_CAP_NESTED_PAPR + 1)
88 
89 /*
90  * Capability Values
91  */
92 /* Bool Caps */
93 #define SPAPR_CAP_OFF                   0x00
94 #define SPAPR_CAP_ON                    0x01
95 
96 /* Custom Caps */
97 
98 /* Generic */
99 #define SPAPR_CAP_BROKEN                0x00
100 #define SPAPR_CAP_WORKAROUND            0x01
101 #define SPAPR_CAP_FIXED                 0x02
102 /* SPAPR_CAP_IBS (cap-ibs) */
103 #define SPAPR_CAP_FIXED_IBS             0x02
104 #define SPAPR_CAP_FIXED_CCD             0x03
105 #define SPAPR_CAP_FIXED_NA              0x10 /* Lets leave a bit of a gap... */
106 
107 #define FDT_MAX_SIZE                    0x200000
108 
109 /* Max number of NUMA nodes */
110 #define NUMA_NODES_MAX_NUM         (MAX_NODES)
111 
112 /*
113  * NUMA FORM1 macros. FORM1_DIST_REF_POINTS was taken from
114  * MAX_DISTANCE_REF_POINTS in arch/powerpc/mm/numa.h from Linux
115  * kernel source. It represents the amount of associativity domains
116  * for non-CPU resources.
117  *
118  * FORM1_NUMA_ASSOC_SIZE is the base array size of an ibm,associativity
119  * array for any non-CPU resource.
120  */
121 #define FORM1_DIST_REF_POINTS            4
122 #define FORM1_NUMA_ASSOC_SIZE            (FORM1_DIST_REF_POINTS + 1)
123 
124 /*
125  * FORM2 NUMA affinity has a single associativity domain, giving
126  * us a assoc size of 2.
127  */
128 #define FORM2_DIST_REF_POINTS            1
129 #define FORM2_NUMA_ASSOC_SIZE            (FORM2_DIST_REF_POINTS + 1)
130 
131 typedef struct SpaprCapabilities SpaprCapabilities;
132 struct SpaprCapabilities {
133     uint8_t caps[SPAPR_CAP_NUM];
134 };
135 
136 /**
137  * SpaprMachineClass:
138  */
139 struct SpaprMachineClass {
140     /*< private >*/
141     MachineClass parent_class;
142 
143     /*< public >*/
144     bool dr_lmb_enabled;       /* enable dynamic-reconfig/hotplug of LMBs */
145     bool dr_phb_enabled;       /* enable dynamic-reconfig/hotplug of PHBs */
146     bool update_dt_enabled;    /* enable KVMPPC_H_UPDATE_DT */
147     bool use_ohci_by_default;  /* use USB-OHCI instead of XHCI */
148     bool pre_2_10_has_unused_icps;
149     bool legacy_irq_allocation;
150     uint32_t nr_xirqs;
151     bool broken_host_serial_model; /* present real host info to the guest */
152     bool pre_4_1_migration; /* don't migrate hpt-max-page-size */
153     bool linux_pci_probe;
154     bool smp_threads_vsmt; /* set VSMT to smp_threads by default */
155     hwaddr rma_limit;          /* clamp the RMA to this size */
156     bool pre_5_1_assoc_refpoints;
157     bool pre_5_2_numa_associativity;
158     bool pre_6_2_numa_affinity;
159 
160     bool (*phb_placement)(SpaprMachineState *spapr, uint32_t index,
161                           uint64_t *buid, hwaddr *pio,
162                           hwaddr *mmio32, hwaddr *mmio64,
163                           unsigned n_dma, uint32_t *liobns, Error **errp);
164     SpaprResizeHpt resize_hpt_default;
165     SpaprCapabilities default_caps;
166     SpaprIrq *irq;
167 };
168 
169 #define WDT_MAX_WATCHDOGS       4      /* Maximum number of watchdog devices */
170 
171 #define TYPE_SPAPR_WDT "spapr-wdt"
172 OBJECT_DECLARE_SIMPLE_TYPE(SpaprWatchdog, SPAPR_WDT)
173 
174 typedef struct SpaprWatchdog {
175     /*< private >*/
176     DeviceState parent_obj;
177     /*< public >*/
178 
179     QEMUTimer timer;
180     uint8_t action;         /* One of PSERIES_WDTF_ACTION_xxx */
181     uint8_t leave_others;   /* leaveOtherWatchdogsRunningOnTimeout */
182 } SpaprWatchdog;
183 
184 /**
185  * SpaprMachineState:
186  */
187 struct SpaprMachineState {
188     /*< private >*/
189     MachineState parent_obj;
190 
191     struct SpaprVioBus *vio_bus;
192     QLIST_HEAD(, SpaprPhbState) phbs;
193     struct SpaprNvram *nvram;
194     SpaprRtcState rtc;
195 
196     SpaprResizeHpt resize_hpt;
197     void *htab;
198     uint32_t htab_shift;
199     uint64_t patb_entry; /* Process tbl registered in H_REGISTER_PROC_TBL */
200     SpaprPendingHpt *pending_hpt; /* in-progress resize */
201 
202     hwaddr rma_size;
203     uint32_t fdt_size;
204     uint32_t fdt_initial_size;
205     void *fdt_blob;
206     uint8_t fdt_rng_seed[32];
207     long kernel_size;
208     bool kernel_le;
209     uint64_t kernel_addr;
210     uint32_t initrd_base;
211     long initrd_size;
212     Vof *vof;
213     uint64_t rtc_offset; /* Now used only during incoming migration */
214     struct PPCTimebase tb;
215     bool want_stdout_path;
216     uint32_t vsmt;       /* Virtual SMT mode (KVM's "core stride") */
217 
218     /* Nested HV support (TCG only) */
219     SpaprMachineStateNested nested;
220 
221     Notifier epow_notifier;
222     QTAILQ_HEAD(, SpaprEventLogEntry) pending_events;
223     bool use_hotplug_event_source;
224     SpaprEventSource *event_sources;
225 
226     /* ibm,client-architecture-support option negotiation */
227     bool cas_pre_isa3_guest;
228     SpaprOptionVector *ov5;         /* QEMU-supported option vectors */
229     SpaprOptionVector *ov5_cas;     /* negotiated (via CAS) option vectors */
230     uint32_t max_compat_pvr;
231 
232     /* Migration state */
233     int htab_save_index;
234     bool htab_first_pass;
235     int htab_fd;
236 
237     /* Pending DIMM unplug cache. It is populated when a LMB
238      * unplug starts. It can be regenerated if a migration
239      * occurs during the unplug process. */
240     QTAILQ_HEAD(, SpaprDimmState) pending_dimm_unplugs;
241 
242     /* State related to FWNMI option */
243 
244     /* System Reset and Machine Check Notification Routine addresses
245      * registered by "ibm,nmi-register" RTAS call.
246      */
247     target_ulong fwnmi_system_reset_addr;
248     target_ulong fwnmi_machine_check_addr;
249 
250     /* Machine Check FWNMI synchronization, fwnmi_machine_check_interlock is
251      * set to -1 if a FWNMI machine check is not in progress, else is set to
252      * the CPU that was delivered the machine check, and is set back to -1
253      * when that CPU makes an "ibm,nmi-interlock" RTAS call. The cond is used
254      * to synchronize other CPUs.
255      */
256     int fwnmi_machine_check_interlock;
257     QemuCond fwnmi_machine_check_interlock_cond;
258 
259     /* Set by -boot */
260     char *boot_device;
261 
262     /*< public >*/
263     char *kvm_type;
264     char *host_model;
265     char *host_serial;
266 
267     int32_t irq_map_nr;
268     unsigned long *irq_map;
269     SpaprIrq *irq;
270     qemu_irq *qirqs;
271     SpaprInterruptController *active_intc;
272     ICSState *ics;
273     SpaprXive *xive;
274 
275     bool cmd_line_caps[SPAPR_CAP_NUM];
276     SpaprCapabilities def, eff, mig;
277 
278     SpaprTpmProxy *tpm_proxy;
279 
280     uint32_t FORM1_assoc_array[NUMA_NODES_MAX_NUM][FORM1_NUMA_ASSOC_SIZE];
281     uint32_t FORM2_assoc_array[NUMA_NODES_MAX_NUM][FORM2_NUMA_ASSOC_SIZE];
282 
283     Error *fwnmi_migration_blocker;
284 
285     SpaprWatchdog wds[WDT_MAX_WATCHDOGS];
286 };
287 
288 #define H_SUCCESS         0
289 #define H_BUSY            1        /* Hardware busy -- retry later */
290 #define H_CLOSED          2        /* Resource closed */
291 #define H_NOT_AVAILABLE   3
292 #define H_CONSTRAINED     4        /* Resource request constrained to max allowed */
293 #define H_PARTIAL         5
294 #define H_IN_PROGRESS     14       /* Kind of like busy */
295 #define H_PAGE_REGISTERED 15
296 #define H_PARTIAL_STORE   16
297 #define H_PENDING         17       /* returned from H_POLL_PENDING */
298 #define H_CONTINUE        18       /* Returned from H_Join on success */
299 #define H_LONG_BUSY_START_RANGE         9900  /* Start of long busy range */
300 #define H_LONG_BUSY_ORDER_1_MSEC        9900  /* Long busy, hint that 1msec \
301                                                  is a good time to retry */
302 #define H_LONG_BUSY_ORDER_10_MSEC       9901  /* Long busy, hint that 10msec \
303                                                  is a good time to retry */
304 #define H_LONG_BUSY_ORDER_100_MSEC      9902  /* Long busy, hint that 100msec \
305                                                  is a good time to retry */
306 #define H_LONG_BUSY_ORDER_1_SEC         9903  /* Long busy, hint that 1sec \
307                                                  is a good time to retry */
308 #define H_LONG_BUSY_ORDER_10_SEC        9904  /* Long busy, hint that 10sec \
309                                                  is a good time to retry */
310 #define H_LONG_BUSY_ORDER_100_SEC       9905  /* Long busy, hint that 100sec \
311                                                  is a good time to retry */
312 #define H_LONG_BUSY_END_RANGE           9905  /* End of long busy range */
313 #define H_HARDWARE        -1       /* Hardware error */
314 #define H_FUNCTION        -2       /* Function not supported */
315 #define H_PRIVILEGE       -3       /* Caller not privileged */
316 #define H_PARAMETER       -4       /* Parameter invalid, out-of-range or conflicting */
317 #define H_BAD_MODE        -5       /* Illegal msr value */
318 #define H_PTEG_FULL       -6       /* PTEG is full */
319 #define H_NOT_FOUND       -7       /* PTE was not found" */
320 #define H_RESERVED_DABR   -8       /* DABR address is reserved by the hypervisor on this processor" */
321 #define H_NO_MEM          -9
322 #define H_AUTHORITY       -10
323 #define H_PERMISSION      -11
324 #define H_DROPPED         -12
325 #define H_SOURCE_PARM     -13
326 #define H_DEST_PARM       -14
327 #define H_REMOTE_PARM     -15
328 #define H_RESOURCE        -16
329 #define H_ADAPTER_PARM    -17
330 #define H_RH_PARM         -18
331 #define H_RCQ_PARM        -19
332 #define H_SCQ_PARM        -20
333 #define H_EQ_PARM         -21
334 #define H_RT_PARM         -22
335 #define H_ST_PARM         -23
336 #define H_SIGT_PARM       -24
337 #define H_TOKEN_PARM      -25
338 #define H_MLENGTH_PARM    -27
339 #define H_MEM_PARM        -28
340 #define H_MEM_ACCESS_PARM -29
341 #define H_ATTR_PARM       -30
342 #define H_PORT_PARM       -31
343 #define H_MCG_PARM        -32
344 #define H_VL_PARM         -33
345 #define H_TSIZE_PARM      -34
346 #define H_TRACE_PARM      -35
347 
348 #define H_MASK_PARM       -37
349 #define H_MCG_FULL        -38
350 #define H_ALIAS_EXIST     -39
351 #define H_P_COUNTER       -40
352 #define H_TABLE_FULL      -41
353 #define H_ALT_TABLE       -42
354 #define H_MR_CONDITION    -43
355 #define H_NOT_ENOUGH_RESOURCES -44
356 #define H_R_STATE         -45
357 #define H_RESCINDEND      -46
358 #define H_P2              -55
359 #define H_P3              -56
360 #define H_P4              -57
361 #define H_P5              -58
362 #define H_P6              -59
363 #define H_P7              -60
364 #define H_P8              -61
365 #define H_P9              -62
366 #define H_NOOP            -63
367 #define H_UNSUPPORTED     -67
368 #define H_OVERLAP         -68
369 #define H_STATE           -75
370 #define H_IN_USE          -77
371 #define H_INVALID_ELEMENT_VALUE            -81
372 #define H_UNSUPPORTED_FLAG -256
373 #define H_MULTI_THREADS_ACTIVE -9005
374 
375 
376 /* Long Busy is a condition that can be returned by the firmware
377  * when a call cannot be completed now, but the identical call
378  * should be retried later.  This prevents calls blocking in the
379  * firmware for long periods of time.  Annoyingly the firmware can return
380  * a range of return codes, hinting at how long we should wait before
381  * retrying.  If you don't care for the hint, the macro below is a good
382  * way to check for the long_busy return codes
383  */
384 #define H_IS_LONG_BUSY(x)  ((x >= H_LONG_BUSY_START_RANGE) \
385                             && (x <= H_LONG_BUSY_END_RANGE))
386 
387 /* Flags */
388 #define H_LARGE_PAGE      (1ULL<<(63-16))
389 #define H_EXACT           (1ULL<<(63-24))       /* Use exact PTE or return H_PTEG_FULL */
390 #define H_R_XLATE         (1ULL<<(63-25))       /* include a valid logical page num in the pte if the valid bit is set */
391 #define H_READ_4          (1ULL<<(63-26))       /* Return 4 PTEs */
392 #define H_PAGE_STATE_CHANGE (1ULL<<(63-28))
393 #define H_PAGE_UNUSED     ((1ULL<<(63-29)) | (1ULL<<(63-30)))
394 #define H_PAGE_SET_UNUSED (H_PAGE_STATE_CHANGE | H_PAGE_UNUSED)
395 #define H_PAGE_SET_LOANED (H_PAGE_SET_UNUSED | (1ULL<<(63-31)))
396 #define H_PAGE_SET_ACTIVE H_PAGE_STATE_CHANGE
397 #define H_AVPN            (1ULL<<(63-32))       /* An avpn is provided as a sanity test */
398 #define H_ANDCOND         (1ULL<<(63-33))
399 #define H_ICACHE_INVALIDATE (1ULL<<(63-40))     /* icbi, etc.  (ignored for IO pages) */
400 #define H_ICACHE_SYNCHRONIZE (1ULL<<(63-41))    /* dcbst, icbi, etc (ignored for IO pages */
401 #define H_ZERO_PAGE       (1ULL<<(63-48))       /* zero the page before mapping (ignored for IO pages) */
402 #define H_COPY_PAGE       (1ULL<<(63-49))
403 #define H_N               (1ULL<<(63-61))
404 #define H_PP1             (1ULL<<(63-62))
405 #define H_PP2             (1ULL<<(63-63))
406 
407 /* Values for 2nd argument to H_SET_MODE */
408 #define H_SET_MODE_RESOURCE_SET_CIABR           1
409 #define H_SET_MODE_RESOURCE_SET_DAWR0           2
410 #define H_SET_MODE_RESOURCE_ADDR_TRANS_MODE     3
411 #define H_SET_MODE_RESOURCE_LE                  4
412 
413 /* Flags for H_SET_MODE_RESOURCE_LE */
414 #define H_SET_MODE_ENDIAN_BIG    0
415 #define H_SET_MODE_ENDIAN_LITTLE 1
416 
417 /* VASI States */
418 #define H_VASI_INVALID    0
419 #define H_VASI_ENABLED    1
420 #define H_VASI_ABORTED    2
421 #define H_VASI_SUSPENDING 3
422 #define H_VASI_SUSPENDED  4
423 #define H_VASI_RESUMED    5
424 #define H_VASI_COMPLETED  6
425 
426 /* DABRX flags */
427 #define H_DABRX_HYPERVISOR (1ULL<<(63-61))
428 #define H_DABRX_KERNEL     (1ULL<<(63-62))
429 #define H_DABRX_USER       (1ULL<<(63-63))
430 
431 /* Values for KVM_PPC_GET_CPU_CHAR & H_GET_CPU_CHARACTERISTICS */
432 #define H_CPU_CHAR_SPEC_BAR_ORI31               PPC_BIT(0)
433 #define H_CPU_CHAR_BCCTRL_SERIALISED            PPC_BIT(1)
434 #define H_CPU_CHAR_L1D_FLUSH_ORI30              PPC_BIT(2)
435 #define H_CPU_CHAR_L1D_FLUSH_TRIG2              PPC_BIT(3)
436 #define H_CPU_CHAR_L1D_THREAD_PRIV              PPC_BIT(4)
437 #define H_CPU_CHAR_HON_BRANCH_HINTS             PPC_BIT(5)
438 #define H_CPU_CHAR_THR_RECONF_TRIG              PPC_BIT(6)
439 #define H_CPU_CHAR_CACHE_COUNT_DIS              PPC_BIT(7)
440 #define H_CPU_CHAR_BCCTR_FLUSH_ASSIST           PPC_BIT(9)
441 
442 #define H_CPU_BEHAV_FAVOUR_SECURITY             PPC_BIT(0)
443 #define H_CPU_BEHAV_L1D_FLUSH_PR                PPC_BIT(1)
444 #define H_CPU_BEHAV_BNDS_CHK_SPEC_BAR           PPC_BIT(2)
445 #define H_CPU_BEHAV_FLUSH_COUNT_CACHE           PPC_BIT(5)
446 #define H_CPU_BEHAV_NO_L1D_FLUSH_ENTRY          PPC_BIT(7)
447 #define H_CPU_BEHAV_NO_L1D_FLUSH_UACCESS        PPC_BIT(8)
448 
449 /* Each control block has to be on a 4K boundary */
450 #define H_CB_ALIGNMENT     4096
451 
452 /* pSeries hypervisor opcodes */
453 #define H_REMOVE                0x04
454 #define H_ENTER                 0x08
455 #define H_READ                  0x0c
456 #define H_CLEAR_MOD             0x10
457 #define H_CLEAR_REF             0x14
458 #define H_PROTECT               0x18
459 #define H_GET_TCE               0x1c
460 #define H_PUT_TCE               0x20
461 #define H_SET_SPRG0             0x24
462 #define H_SET_DABR              0x28
463 #define H_PAGE_INIT             0x2c
464 #define H_SET_ASR               0x30
465 #define H_ASR_ON                0x34
466 #define H_ASR_OFF               0x38
467 #define H_LOGICAL_CI_LOAD       0x3c
468 #define H_LOGICAL_CI_STORE      0x40
469 #define H_LOGICAL_CACHE_LOAD    0x44
470 #define H_LOGICAL_CACHE_STORE   0x48
471 #define H_LOGICAL_ICBI          0x4c
472 #define H_LOGICAL_DCBF          0x50
473 #define H_GET_TERM_CHAR         0x54
474 #define H_PUT_TERM_CHAR         0x58
475 #define H_REAL_TO_LOGICAL       0x5c
476 #define H_HYPERVISOR_DATA       0x60
477 #define H_EOI                   0x64
478 #define H_CPPR                  0x68
479 #define H_IPI                   0x6c
480 #define H_IPOLL                 0x70
481 #define H_XIRR                  0x74
482 #define H_PERFMON               0x7c
483 #define H_MIGRATE_DMA           0x78
484 #define H_REGISTER_VPA          0xDC
485 #define H_CEDE                  0xE0
486 #define H_CONFER                0xE4
487 #define H_PROD                  0xE8
488 #define H_GET_PPP               0xEC
489 #define H_SET_PPP               0xF0
490 #define H_PURR                  0xF4
491 #define H_PIC                   0xF8
492 #define H_REG_CRQ               0xFC
493 #define H_FREE_CRQ              0x100
494 #define H_VIO_SIGNAL            0x104
495 #define H_SEND_CRQ              0x108
496 #define H_COPY_RDMA             0x110
497 #define H_REGISTER_LOGICAL_LAN  0x114
498 #define H_FREE_LOGICAL_LAN      0x118
499 #define H_ADD_LOGICAL_LAN_BUFFER 0x11C
500 #define H_SEND_LOGICAL_LAN      0x120
501 #define H_BULK_REMOVE           0x124
502 #define H_MULTICAST_CTRL        0x130
503 #define H_SET_XDABR             0x134
504 #define H_STUFF_TCE             0x138
505 #define H_PUT_TCE_INDIRECT      0x13C
506 #define H_CHANGE_LOGICAL_LAN_MAC 0x14C
507 #define H_VTERM_PARTNER_INFO    0x150
508 #define H_REGISTER_VTERM        0x154
509 #define H_FREE_VTERM            0x158
510 #define H_RESET_EVENTS          0x15C
511 #define H_ALLOC_RESOURCE        0x160
512 #define H_FREE_RESOURCE         0x164
513 #define H_MODIFY_QP             0x168
514 #define H_QUERY_QP              0x16C
515 #define H_REREGISTER_PMR        0x170
516 #define H_REGISTER_SMR          0x174
517 #define H_QUERY_MR              0x178
518 #define H_QUERY_MW              0x17C
519 #define H_QUERY_HCA             0x180
520 #define H_QUERY_PORT            0x184
521 #define H_MODIFY_PORT           0x188
522 #define H_DEFINE_AQP1           0x18C
523 #define H_GET_TRACE_BUFFER      0x190
524 #define H_DEFINE_AQP0           0x194
525 #define H_RESIZE_MR             0x198
526 #define H_ATTACH_MCQP           0x19C
527 #define H_DETACH_MCQP           0x1A0
528 #define H_CREATE_RPT            0x1A4
529 #define H_REMOVE_RPT            0x1A8
530 #define H_REGISTER_RPAGES       0x1AC
531 #define H_DISABLE_AND_GETC      0x1B0
532 #define H_ERROR_DATA            0x1B4
533 #define H_GET_HCA_INFO          0x1B8
534 #define H_GET_PERF_COUNT        0x1BC
535 #define H_MANAGE_TRACE          0x1C0
536 #define H_GET_CPU_CHARACTERISTICS 0x1C8
537 #define H_FREE_LOGICAL_LAN_BUFFER 0x1D4
538 #define H_QUERY_INT_STATE       0x1E4
539 #define H_POLL_PENDING          0x1D8
540 #define H_ILLAN_ATTRIBUTES      0x244
541 #define H_MODIFY_HEA_QP         0x250
542 #define H_QUERY_HEA_QP          0x254
543 #define H_QUERY_HEA             0x258
544 #define H_QUERY_HEA_PORT        0x25C
545 #define H_MODIFY_HEA_PORT       0x260
546 #define H_REG_BCMC              0x264
547 #define H_DEREG_BCMC            0x268
548 #define H_REGISTER_HEA_RPAGES   0x26C
549 #define H_DISABLE_AND_GET_HEA   0x270
550 #define H_GET_HEA_INFO          0x274
551 #define H_ALLOC_HEA_RESOURCE    0x278
552 #define H_ADD_CONN              0x284
553 #define H_DEL_CONN              0x288
554 #define H_JOIN                  0x298
555 #define H_VASI_STATE            0x2A4
556 #define H_ENABLE_CRQ            0x2B0
557 #define H_GET_EM_PARMS          0x2B8
558 #define H_SET_MPP               0x2D0
559 #define H_GET_MPP               0x2D4
560 #define H_HOME_NODE_ASSOCIATIVITY 0x2EC
561 #define H_XIRR_X                0x2FC
562 #define H_RANDOM                0x300
563 #define H_SET_MODE              0x31C
564 #define H_RESIZE_HPT_PREPARE    0x36C
565 #define H_RESIZE_HPT_COMMIT     0x370
566 #define H_CLEAN_SLB             0x374
567 #define H_INVALIDATE_PID        0x378
568 #define H_REGISTER_PROC_TBL     0x37C
569 #define H_SIGNAL_SYS_RESET      0x380
570 
571 #define H_INT_GET_SOURCE_INFO   0x3A8
572 #define H_INT_SET_SOURCE_CONFIG 0x3AC
573 #define H_INT_GET_SOURCE_CONFIG 0x3B0
574 #define H_INT_GET_QUEUE_INFO    0x3B4
575 #define H_INT_SET_QUEUE_CONFIG  0x3B8
576 #define H_INT_GET_QUEUE_CONFIG  0x3BC
577 #define H_INT_SET_OS_REPORTING_LINE 0x3C0
578 #define H_INT_GET_OS_REPORTING_LINE 0x3C4
579 #define H_INT_ESB               0x3C8
580 #define H_INT_SYNC              0x3CC
581 #define H_INT_RESET             0x3D0
582 #define H_SCM_READ_METADATA     0x3E4
583 #define H_SCM_WRITE_METADATA    0x3E8
584 #define H_SCM_BIND_MEM          0x3EC
585 #define H_SCM_UNBIND_MEM        0x3F0
586 #define H_SCM_UNBIND_ALL        0x3FC
587 #define H_SCM_HEALTH            0x400
588 #define H_RPT_INVALIDATE        0x448
589 #define H_SCM_FLUSH             0x44C
590 #define H_WATCHDOG              0x45C
591 #define H_GUEST_GET_CAPABILITIES 0x460
592 #define H_GUEST_SET_CAPABILITIES 0x464
593 #define H_GUEST_CREATE           0x470
594 #define H_GUEST_CREATE_VCPU      0x474
595 #define H_GUEST_GET_STATE        0x478
596 #define H_GUEST_SET_STATE        0x47C
597 #define H_GUEST_RUN_VCPU         0x480
598 #define H_GUEST_DELETE           0x488
599 
600 #define MAX_HCALL_OPCODE         H_GUEST_DELETE
601 
602 /* The hcalls above are standardized in PAPR and implemented by pHyp
603  * as well.
604  *
605  * We also need some hcalls which are specific to qemu / KVM-on-POWER.
606  * We put those into the 0xf000-0xfffc range which is reserved by PAPR
607  * for "platform-specific" hcalls.
608  */
609 #define KVMPPC_HCALL_BASE       0xf000
610 #define KVMPPC_H_RTAS           (KVMPPC_HCALL_BASE + 0x0)
611 #define KVMPPC_H_LOGICAL_MEMOP  (KVMPPC_HCALL_BASE + 0x1)
612 /* Client Architecture support */
613 #define KVMPPC_H_CAS            (KVMPPC_HCALL_BASE + 0x2)
614 #define KVMPPC_H_UPDATE_DT      (KVMPPC_HCALL_BASE + 0x3)
615 /* 0x4 was used for KVMPPC_H_UPDATE_PHANDLE in SLOF */
616 #define KVMPPC_H_VOF_CLIENT     (KVMPPC_HCALL_BASE + 0x5)
617 
618 /* Platform-specific hcalls used for nested HV KVM */
619 #define KVMPPC_H_SET_PARTITION_TABLE   (KVMPPC_HCALL_BASE + 0x800)
620 #define KVMPPC_H_ENTER_NESTED          (KVMPPC_HCALL_BASE + 0x804)
621 #define KVMPPC_H_TLB_INVALIDATE        (KVMPPC_HCALL_BASE + 0x808)
622 #define KVMPPC_H_COPY_TOFROM_GUEST     (KVMPPC_HCALL_BASE + 0x80C)
623 
624 #define KVMPPC_HCALL_MAX        KVMPPC_H_COPY_TOFROM_GUEST
625 
626 /*
627  * The hcall range 0xEF00 to 0xEF80 is reserved for use in facilitating
628  * Secure VM mode via an Ultravisor / Protected Execution Facility
629  */
630 #define SVM_HCALL_BASE              0xEF00
631 #define SVM_H_TPM_COMM              0xEF10
632 #define SVM_HCALL_MAX               SVM_H_TPM_COMM
633 
634 typedef struct SpaprDeviceTreeUpdateHeader {
635     uint32_t version_id;
636 } SpaprDeviceTreeUpdateHeader;
637 
638 #define hcall_dprintf(fmt, ...) \
639     do { \
640         qemu_log_mask(LOG_GUEST_ERROR, "%s: " fmt, __func__, ## __VA_ARGS__); \
641     } while (0)
642 
643 typedef target_ulong (*spapr_hcall_fn)(PowerPCCPU *cpu, SpaprMachineState *sm,
644                                        target_ulong opcode,
645                                        target_ulong *args);
646 
647 void spapr_register_hypercall(target_ulong opcode, spapr_hcall_fn fn);
648 void spapr_unregister_hypercall(target_ulong opcode);
649 target_ulong spapr_hypercall(PowerPCCPU *cpu, target_ulong opcode,
650                              target_ulong *args);
651 
652 target_ulong vhyp_mmu_resize_hpt_prepare(PowerPCCPU *cpu,
653                                          SpaprMachineState *spapr,
654                                          target_ulong shift);
655 target_ulong vhyp_mmu_resize_hpt_commit(PowerPCCPU *cpu,
656                                         SpaprMachineState *spapr,
657                                         target_ulong flags,
658                                         target_ulong shift);
659 bool is_ram_address(SpaprMachineState *spapr, hwaddr addr);
660 void push_sregs_to_kvm_pr(SpaprMachineState *spapr);
661 
662 /* Virtual Processor Area structure constants */
663 #define VPA_MIN_SIZE           640
664 #define VPA_SIZE_OFFSET        0x4
665 #define VPA_SHARED_PROC_OFFSET 0x9
666 #define VPA_SHARED_PROC_VAL    0x2
667 #define VPA_DISPATCH_COUNTER   0x100
668 
669 /* ibm,set-eeh-option */
670 #define RTAS_EEH_DISABLE                 0
671 #define RTAS_EEH_ENABLE                  1
672 #define RTAS_EEH_THAW_IO                 2
673 #define RTAS_EEH_THAW_DMA                3
674 
675 /* ibm,get-config-addr-info2 */
676 #define RTAS_GET_PE_ADDR                 0
677 #define RTAS_GET_PE_MODE                 1
678 #define RTAS_PE_MODE_NONE                0
679 #define RTAS_PE_MODE_NOT_SHARED          1
680 #define RTAS_PE_MODE_SHARED              2
681 
682 /* ibm,read-slot-reset-state2 */
683 #define RTAS_EEH_PE_STATE_NORMAL         0
684 #define RTAS_EEH_PE_STATE_RESET          1
685 #define RTAS_EEH_PE_STATE_STOPPED_IO_DMA 2
686 #define RTAS_EEH_PE_STATE_STOPPED_DMA    4
687 #define RTAS_EEH_PE_STATE_UNAVAIL        5
688 #define RTAS_EEH_NOT_SUPPORT             0
689 #define RTAS_EEH_SUPPORT                 1
690 #define RTAS_EEH_PE_UNAVAIL_INFO         1000
691 #define RTAS_EEH_PE_RECOVER_INFO         0
692 
693 /* ibm,set-slot-reset */
694 #define RTAS_SLOT_RESET_DEACTIVATE       0
695 #define RTAS_SLOT_RESET_HOT              1
696 #define RTAS_SLOT_RESET_FUNDAMENTAL      3
697 
698 /* ibm,slot-error-detail */
699 #define RTAS_SLOT_TEMP_ERR_LOG           1
700 #define RTAS_SLOT_PERM_ERR_LOG           2
701 
702 /* RTAS return codes */
703 #define RTAS_OUT_SUCCESS                        0
704 #define RTAS_OUT_NO_ERRORS_FOUND                1
705 #define RTAS_OUT_HW_ERROR                       -1
706 #define RTAS_OUT_BUSY                           -2
707 #define RTAS_OUT_PARAM_ERROR                    -3
708 #define RTAS_OUT_NOT_SUPPORTED                  -3
709 #define RTAS_OUT_NO_SUCH_INDICATOR              -3
710 #define RTAS_OUT_NOT_AUTHORIZED                 -9002
711 #define RTAS_OUT_SYSPARM_PARAM_ERROR            -9999
712 
713 /* DDW pagesize mask values from ibm,query-pe-dma-window */
714 #define RTAS_DDW_PGSIZE_4K       0x01
715 #define RTAS_DDW_PGSIZE_64K      0x02
716 #define RTAS_DDW_PGSIZE_16M      0x04
717 #define RTAS_DDW_PGSIZE_32M      0x08
718 #define RTAS_DDW_PGSIZE_64M      0x10
719 #define RTAS_DDW_PGSIZE_128M     0x20
720 #define RTAS_DDW_PGSIZE_256M     0x40
721 #define RTAS_DDW_PGSIZE_16G      0x80
722 #define RTAS_DDW_PGSIZE_2M       0x100
723 
724 /* RTAS tokens */
725 #define RTAS_TOKEN_BASE      0x2000
726 
727 #define RTAS_DISPLAY_CHARACTER                  (RTAS_TOKEN_BASE + 0x00)
728 #define RTAS_GET_TIME_OF_DAY                    (RTAS_TOKEN_BASE + 0x01)
729 #define RTAS_SET_TIME_OF_DAY                    (RTAS_TOKEN_BASE + 0x02)
730 #define RTAS_POWER_OFF                          (RTAS_TOKEN_BASE + 0x03)
731 #define RTAS_SYSTEM_REBOOT                      (RTAS_TOKEN_BASE + 0x04)
732 #define RTAS_QUERY_CPU_STOPPED_STATE            (RTAS_TOKEN_BASE + 0x05)
733 #define RTAS_START_CPU                          (RTAS_TOKEN_BASE + 0x06)
734 #define RTAS_STOP_SELF                          (RTAS_TOKEN_BASE + 0x07)
735 #define RTAS_IBM_GET_SYSTEM_PARAMETER           (RTAS_TOKEN_BASE + 0x08)
736 #define RTAS_IBM_SET_SYSTEM_PARAMETER           (RTAS_TOKEN_BASE + 0x09)
737 #define RTAS_IBM_SET_XIVE                       (RTAS_TOKEN_BASE + 0x0A)
738 #define RTAS_IBM_GET_XIVE                       (RTAS_TOKEN_BASE + 0x0B)
739 #define RTAS_IBM_INT_OFF                        (RTAS_TOKEN_BASE + 0x0C)
740 #define RTAS_IBM_INT_ON                         (RTAS_TOKEN_BASE + 0x0D)
741 #define RTAS_CHECK_EXCEPTION                    (RTAS_TOKEN_BASE + 0x0E)
742 #define RTAS_EVENT_SCAN                         (RTAS_TOKEN_BASE + 0x0F)
743 #define RTAS_IBM_SET_TCE_BYPASS                 (RTAS_TOKEN_BASE + 0x10)
744 #define RTAS_QUIESCE                            (RTAS_TOKEN_BASE + 0x11)
745 #define RTAS_NVRAM_FETCH                        (RTAS_TOKEN_BASE + 0x12)
746 #define RTAS_NVRAM_STORE                        (RTAS_TOKEN_BASE + 0x13)
747 #define RTAS_READ_PCI_CONFIG                    (RTAS_TOKEN_BASE + 0x14)
748 #define RTAS_WRITE_PCI_CONFIG                   (RTAS_TOKEN_BASE + 0x15)
749 #define RTAS_IBM_READ_PCI_CONFIG                (RTAS_TOKEN_BASE + 0x16)
750 #define RTAS_IBM_WRITE_PCI_CONFIG               (RTAS_TOKEN_BASE + 0x17)
751 #define RTAS_IBM_QUERY_INTERRUPT_SOURCE_NUMBER  (RTAS_TOKEN_BASE + 0x18)
752 #define RTAS_IBM_CHANGE_MSI                     (RTAS_TOKEN_BASE + 0x19)
753 #define RTAS_SET_INDICATOR                      (RTAS_TOKEN_BASE + 0x1A)
754 #define RTAS_SET_POWER_LEVEL                    (RTAS_TOKEN_BASE + 0x1B)
755 #define RTAS_GET_POWER_LEVEL                    (RTAS_TOKEN_BASE + 0x1C)
756 #define RTAS_GET_SENSOR_STATE                   (RTAS_TOKEN_BASE + 0x1D)
757 #define RTAS_IBM_CONFIGURE_CONNECTOR            (RTAS_TOKEN_BASE + 0x1E)
758 #define RTAS_IBM_OS_TERM                        (RTAS_TOKEN_BASE + 0x1F)
759 #define RTAS_IBM_SET_EEH_OPTION                 (RTAS_TOKEN_BASE + 0x20)
760 #define RTAS_IBM_GET_CONFIG_ADDR_INFO2          (RTAS_TOKEN_BASE + 0x21)
761 #define RTAS_IBM_READ_SLOT_RESET_STATE2         (RTAS_TOKEN_BASE + 0x22)
762 #define RTAS_IBM_SET_SLOT_RESET                 (RTAS_TOKEN_BASE + 0x23)
763 #define RTAS_IBM_CONFIGURE_PE                   (RTAS_TOKEN_BASE + 0x24)
764 #define RTAS_IBM_SLOT_ERROR_DETAIL              (RTAS_TOKEN_BASE + 0x25)
765 #define RTAS_IBM_QUERY_PE_DMA_WINDOW            (RTAS_TOKEN_BASE + 0x26)
766 #define RTAS_IBM_CREATE_PE_DMA_WINDOW           (RTAS_TOKEN_BASE + 0x27)
767 #define RTAS_IBM_REMOVE_PE_DMA_WINDOW           (RTAS_TOKEN_BASE + 0x28)
768 #define RTAS_IBM_RESET_PE_DMA_WINDOW            (RTAS_TOKEN_BASE + 0x29)
769 #define RTAS_IBM_SUSPEND_ME                     (RTAS_TOKEN_BASE + 0x2A)
770 #define RTAS_IBM_NMI_REGISTER                   (RTAS_TOKEN_BASE + 0x2B)
771 #define RTAS_IBM_NMI_INTERLOCK                  (RTAS_TOKEN_BASE + 0x2C)
772 
773 #define RTAS_TOKEN_MAX                          (RTAS_TOKEN_BASE + 0x2D)
774 
775 /* RTAS ibm,get-system-parameter token values */
776 #define RTAS_SYSPARM_SPLPAR_CHARACTERISTICS      20
777 #define RTAS_SYSPARM_DIAGNOSTICS_RUN_MODE        42
778 #define RTAS_SYSPARM_UUID                        48
779 
780 /* RTAS indicator/sensor types
781  *
782  * as defined by PAPR+ 2.7 7.3.5.4, Table 41
783  *
784  * NOTE: currently only DR-related sensors are implemented here
785  */
786 #define RTAS_SENSOR_TYPE_ISOLATION_STATE        9001
787 #define RTAS_SENSOR_TYPE_DR                     9002
788 #define RTAS_SENSOR_TYPE_ALLOCATION_STATE       9003
789 #define RTAS_SENSOR_TYPE_ENTITY_SENSE RTAS_SENSOR_TYPE_ALLOCATION_STATE
790 
791 /* Possible values for the platform-processor-diagnostics-run-mode parameter
792  * of the RTAS ibm,get-system-parameter call.
793  */
794 #define DIAGNOSTICS_RUN_MODE_DISABLED  0
795 #define DIAGNOSTICS_RUN_MODE_STAGGERED 1
796 #define DIAGNOSTICS_RUN_MODE_IMMEDIATE 2
797 #define DIAGNOSTICS_RUN_MODE_PERIODIC  3
798 
799 static inline uint64_t ppc64_phys_to_real(uint64_t addr)
800 {
801     return addr & ~0xF000000000000000ULL;
802 }
803 
804 static inline uint32_t rtas_ld(target_ulong phys, int n)
805 {
806     return ldl_be_phys(&address_space_memory,
807                        ppc64_phys_to_real(phys + 4 * n));
808 }
809 
810 static inline uint64_t rtas_ldq(target_ulong phys, int n)
811 {
812     return (uint64_t)rtas_ld(phys, n) << 32 | rtas_ld(phys, n + 1);
813 }
814 
815 static inline void rtas_st(target_ulong phys, int n, uint32_t val)
816 {
817     stl_be_phys(&address_space_memory, ppc64_phys_to_real(phys + 4 * n), val);
818 }
819 
820 typedef void (*spapr_rtas_fn)(PowerPCCPU *cpu, SpaprMachineState *sm,
821                               uint32_t token,
822                               uint32_t nargs, target_ulong args,
823                               uint32_t nret, target_ulong rets);
824 void spapr_rtas_register(int token, const char *name, spapr_rtas_fn fn);
825 target_ulong spapr_rtas_call(PowerPCCPU *cpu, SpaprMachineState *sm,
826                              uint32_t token, uint32_t nargs, target_ulong args,
827                              uint32_t nret, target_ulong rets);
828 void spapr_dt_rtas_tokens(void *fdt, int rtas);
829 void spapr_load_rtas(SpaprMachineState *spapr, void *fdt, hwaddr addr);
830 
831 #define SPAPR_TCE_PAGE_SHIFT   12
832 #define SPAPR_TCE_PAGE_SIZE    (1ULL << SPAPR_TCE_PAGE_SHIFT)
833 #define SPAPR_TCE_PAGE_MASK    (SPAPR_TCE_PAGE_SIZE - 1)
834 
835 #define SPAPR_VIO_BASE_LIOBN    0x00000000
836 #define SPAPR_VIO_LIOBN(reg)    (0x00000000 | (reg))
837 #define SPAPR_PCI_LIOBN(phb_index, window_num) \
838     (0x80000000 | ((phb_index) << 8) | (window_num))
839 #define SPAPR_IS_PCI_LIOBN(liobn)   (!!((liobn) & 0x80000000))
840 #define SPAPR_PCI_DMA_WINDOW_NUM(liobn) ((liobn) & 0xff)
841 
842 #define RTAS_MIN_SIZE           20 /* hv_rtas_size in SLOF */
843 #define RTAS_ERROR_LOG_MAX      2048
844 
845 /* Offset from rtas-base where error log is placed */
846 #define RTAS_ERROR_LOG_OFFSET       0x30
847 
848 #define RTAS_EVENT_SCAN_RATE    1
849 
850 /* This helper should be used to encode interrupt specifiers when the related
851  * "interrupt-controller" node has its "#interrupt-cells" property set to 2 (ie,
852  * VIO devices, RTAS event sources and PHBs).
853  */
854 static inline void spapr_dt_irq(uint32_t *intspec, int irq, bool is_lsi)
855 {
856     intspec[0] = cpu_to_be32(irq);
857     intspec[1] = is_lsi ? cpu_to_be32(1) : 0;
858 }
859 
860 
861 #define TYPE_SPAPR_TCE_TABLE "spapr-tce-table"
862 OBJECT_DECLARE_SIMPLE_TYPE(SpaprTceTable, SPAPR_TCE_TABLE)
863 
864 #define TYPE_SPAPR_IOMMU_MEMORY_REGION "spapr-iommu-memory-region"
865 DECLARE_INSTANCE_CHECKER(IOMMUMemoryRegion, SPAPR_IOMMU_MEMORY_REGION,
866                          TYPE_SPAPR_IOMMU_MEMORY_REGION)
867 
868 struct SpaprTceTable {
869     DeviceState parent;
870     uint32_t liobn;
871     uint32_t nb_table;
872     uint64_t bus_offset;
873     uint32_t page_shift;
874     uint64_t *table;
875     uint32_t mig_nb_table;
876     uint64_t *mig_table;
877     bool bypass;
878     bool need_vfio;
879     bool skipping_replay;
880     bool def_win;
881     int fd;
882     MemoryRegion root;
883     IOMMUMemoryRegion iommu;
884     struct SpaprVioDevice *vdev; /* for @bypass migration compatibility only */
885     QLIST_ENTRY(SpaprTceTable) list;
886 };
887 
888 SpaprTceTable *spapr_tce_find_by_liobn(target_ulong liobn);
889 
890 struct SpaprEventLogEntry {
891     uint32_t summary;
892     uint32_t extended_length;
893     void *extended_log;
894     QTAILQ_ENTRY(SpaprEventLogEntry) next;
895 };
896 
897 void *spapr_build_fdt(SpaprMachineState *spapr, bool reset, size_t space);
898 void spapr_events_init(SpaprMachineState *sm);
899 void spapr_dt_events(SpaprMachineState *sm, void *fdt);
900 void close_htab_fd(SpaprMachineState *spapr);
901 void spapr_setup_hpt(SpaprMachineState *spapr);
902 void spapr_free_hpt(SpaprMachineState *spapr);
903 void spapr_check_mmu_mode(bool guest_radix);
904 SpaprTceTable *spapr_tce_new_table(DeviceState *owner, uint32_t liobn);
905 void spapr_tce_table_enable(SpaprTceTable *tcet,
906                             uint32_t page_shift, uint64_t bus_offset,
907                             uint32_t nb_table);
908 void spapr_tce_table_disable(SpaprTceTable *tcet);
909 void spapr_tce_set_need_vfio(SpaprTceTable *tcet, bool need_vfio);
910 
911 MemoryRegion *spapr_tce_get_iommu(SpaprTceTable *tcet);
912 int spapr_dma_dt(void *fdt, int node_off, const char *propname,
913                  uint32_t liobn, uint64_t window, uint32_t size);
914 int spapr_tcet_dma_dt(void *fdt, int node_off, const char *propname,
915                       SpaprTceTable *tcet);
916 void spapr_pci_switch_vga(SpaprMachineState *spapr, bool big_endian);
917 void spapr_hotplug_req_add_by_index(SpaprDrc *drc);
918 void spapr_hotplug_req_remove_by_index(SpaprDrc *drc);
919 void spapr_hotplug_req_add_by_count(SpaprDrcType drc_type,
920                                        uint32_t count);
921 void spapr_hotplug_req_remove_by_count(SpaprDrcType drc_type,
922                                           uint32_t count);
923 void spapr_hotplug_req_add_by_count_indexed(SpaprDrcType drc_type,
924                                             uint32_t count, uint32_t index);
925 void spapr_hotplug_req_remove_by_count_indexed(SpaprDrcType drc_type,
926                                                uint32_t count, uint32_t index);
927 int spapr_hpt_shift_for_ramsize(uint64_t ramsize);
928 int spapr_reallocate_hpt(SpaprMachineState *spapr, int shift, Error **errp);
929 void spapr_clear_pending_events(SpaprMachineState *spapr);
930 void spapr_clear_pending_hotplug_events(SpaprMachineState *spapr);
931 void spapr_memory_unplug_rollback(SpaprMachineState *spapr, DeviceState *dev);
932 int spapr_max_server_number(SpaprMachineState *spapr);
933 void spapr_store_hpte(PowerPCCPU *cpu, hwaddr ptex,
934                       uint64_t pte0, uint64_t pte1);
935 void spapr_mce_req_event(PowerPCCPU *cpu, bool recovered);
936 
937 /* DRC callbacks. */
938 void spapr_core_release(DeviceState *dev);
939 int spapr_core_dt_populate(SpaprDrc *drc, SpaprMachineState *spapr,
940                            void *fdt, int *fdt_start_offset, Error **errp);
941 void spapr_lmb_release(DeviceState *dev);
942 int spapr_lmb_dt_populate(SpaprDrc *drc, SpaprMachineState *spapr,
943                           void *fdt, int *fdt_start_offset, Error **errp);
944 void spapr_phb_release(DeviceState *dev);
945 int spapr_phb_dt_populate(SpaprDrc *drc, SpaprMachineState *spapr,
946                           void *fdt, int *fdt_start_offset, Error **errp);
947 
948 void spapr_rtc_read(SpaprRtcState *rtc, struct tm *tm, uint32_t *ns);
949 int spapr_rtc_import_offset(SpaprRtcState *rtc, int64_t legacy_offset);
950 
951 #define TYPE_SPAPR_RNG "spapr-rng"
952 
953 #define SPAPR_MEMORY_BLOCK_SIZE ((hwaddr)1 << 28) /* 256MB */
954 
955 /*
956  * This defines the maximum number of DIMM slots we can have for sPAPR
957  * guest. This is not defined by sPAPR but we are defining it to 32 slots
958  * based on default number of slots provided by PowerPC kernel.
959  */
960 #define SPAPR_MAX_RAM_SLOTS     32
961 
962 /* 1GB alignment for hotplug memory region */
963 #define SPAPR_DEVICE_MEM_ALIGN (1 * GiB)
964 
965 /*
966  * Number of 32 bit words in each LMB list entry in ibm,dynamic-memory
967  * property under ibm,dynamic-reconfiguration-memory node.
968  */
969 #define SPAPR_DR_LMB_LIST_ENTRY_SIZE 6
970 
971 /*
972  * Defines for flag value in ibm,dynamic-memory property under
973  * ibm,dynamic-reconfiguration-memory node.
974  */
975 #define SPAPR_LMB_FLAGS_ASSIGNED 0x00000008
976 #define SPAPR_LMB_FLAGS_DRC_INVALID 0x00000020
977 #define SPAPR_LMB_FLAGS_RESERVED 0x00000080
978 #define SPAPR_LMB_FLAGS_HOTREMOVABLE 0x00000100
979 
980 void spapr_do_system_reset_on_cpu(CPUState *cs, run_on_cpu_data arg);
981 
982 #define HTAB_SIZE(spapr)        (1ULL << ((spapr)->htab_shift))
983 
984 int spapr_get_vcpu_id(PowerPCCPU *cpu);
985 bool spapr_set_vcpu_id(PowerPCCPU *cpu, int cpu_index, Error **errp);
986 PowerPCCPU *spapr_find_cpu(int vcpu_id);
987 
988 int spapr_caps_pre_load(void *opaque);
989 int spapr_caps_pre_save(void *opaque);
990 
991 /*
992  * Handling of optional capabilities
993  */
994 extern const VMStateDescription vmstate_spapr_cap_htm;
995 extern const VMStateDescription vmstate_spapr_cap_vsx;
996 extern const VMStateDescription vmstate_spapr_cap_dfp;
997 extern const VMStateDescription vmstate_spapr_cap_cfpc;
998 extern const VMStateDescription vmstate_spapr_cap_sbbc;
999 extern const VMStateDescription vmstate_spapr_cap_ibs;
1000 extern const VMStateDescription vmstate_spapr_cap_hpt_maxpagesize;
1001 extern const VMStateDescription vmstate_spapr_cap_nested_kvm_hv;
1002 extern const VMStateDescription vmstate_spapr_cap_nested_papr;
1003 extern const VMStateDescription vmstate_spapr_cap_large_decr;
1004 extern const VMStateDescription vmstate_spapr_cap_ccf_assist;
1005 extern const VMStateDescription vmstate_spapr_cap_fwnmi;
1006 extern const VMStateDescription vmstate_spapr_cap_rpt_invalidate;
1007 extern const VMStateDescription vmstate_spapr_wdt;
1008 
1009 static inline uint8_t spapr_get_cap(SpaprMachineState *spapr, int cap)
1010 {
1011     return spapr->eff.caps[cap];
1012 }
1013 
1014 void spapr_caps_init(SpaprMachineState *spapr);
1015 void spapr_caps_apply(SpaprMachineState *spapr);
1016 void spapr_caps_cpu_apply(SpaprMachineState *spapr, PowerPCCPU *cpu);
1017 void spapr_caps_add_properties(SpaprMachineClass *smc);
1018 int spapr_caps_post_migration(SpaprMachineState *spapr);
1019 
1020 bool spapr_check_pagesize(SpaprMachineState *spapr, hwaddr pagesize,
1021                           Error **errp);
1022 /*
1023  * XIVE definitions
1024  */
1025 #define SPAPR_OV5_XIVE_LEGACY   0x0
1026 #define SPAPR_OV5_XIVE_EXPLOIT  0x40
1027 #define SPAPR_OV5_XIVE_BOTH     0x80 /* Only to advertise on the platform */
1028 
1029 void spapr_set_all_lpcrs(target_ulong value, target_ulong mask);
1030 void spapr_init_all_lpcrs(target_ulong value, target_ulong mask);
1031 hwaddr spapr_get_rtas_addr(void);
1032 bool spapr_memory_hot_unplug_supported(SpaprMachineState *spapr);
1033 
1034 void spapr_vof_reset(SpaprMachineState *spapr, void *fdt, Error **errp);
1035 void spapr_vof_quiesce(MachineState *ms);
1036 bool spapr_vof_setprop(MachineState *ms, const char *path, const char *propname,
1037                        void *val, int vallen);
1038 target_ulong spapr_h_vof_client(PowerPCCPU *cpu, SpaprMachineState *spapr,
1039                                 target_ulong opcode, target_ulong *args);
1040 target_ulong spapr_vof_client_architecture_support(MachineState *ms,
1041                                                    CPUState *cs,
1042                                                    target_ulong ovec_addr);
1043 void spapr_vof_client_dt_finalize(SpaprMachineState *spapr, void *fdt);
1044 
1045 /* H_WATCHDOG */
1046 void spapr_watchdog_init(SpaprMachineState *spapr);
1047 void spapr_register_nested_hv(void);
1048 void spapr_unregister_nested_hv(void);
1049 void spapr_nested_reset(SpaprMachineState *spapr);
1050 void spapr_register_nested_papr(void);
1051 void spapr_unregister_nested_papr(void);
1052 
1053 #endif /* HW_SPAPR_H */
1054