xref: /openbmc/qemu/include/hw/ppc/spapr.h (revision d2cc2b1dfc35dc32a8ee2e12754c9afc10fc20b4)
1 #ifndef HW_SPAPR_H
2 #define HW_SPAPR_H
3 
4 #include "qemu/units.h"
5 #include "system/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 #include "hw/ppc/spapr_fadump.h" /* For FadumpMemStruct */
17 
18 struct SpaprVioBus;
19 struct SpaprPhbState;
20 struct SpaprNvram;
21 
22 typedef struct SpaprEventLogEntry SpaprEventLogEntry;
23 typedef struct SpaprEventSource SpaprEventSource;
24 typedef struct SpaprPendingHpt SpaprPendingHpt;
25 
26 typedef struct Vof Vof;
27 
28 #define HPTE64_V_HPTE_DIRTY     0x0000000000000040ULL
29 #define SPAPR_ENTRY_POINT       0x100
30 
31 #define SPAPR_TIMEBASE_FREQ     512000000ULL
32 
33 #define TYPE_SPAPR_RTC "spapr-rtc"
34 
35 OBJECT_DECLARE_SIMPLE_TYPE(SpaprRtcState, SPAPR_RTC)
36 
37 struct SpaprRtcState {
38     /*< private >*/
39     DeviceState parent_obj;
40     int64_t ns_offset;
41 };
42 
43 typedef struct SpaprDimmState SpaprDimmState;
44 
45 #define TYPE_SPAPR_MACHINE      "spapr-machine"
46 OBJECT_DECLARE_TYPE(SpaprMachineState, SpaprMachineClass, SPAPR_MACHINE)
47 
48 typedef enum {
49     SPAPR_RESIZE_HPT_DEFAULT = 0,
50     SPAPR_RESIZE_HPT_DISABLED,
51     SPAPR_RESIZE_HPT_ENABLED,
52     SPAPR_RESIZE_HPT_REQUIRED,
53 } SpaprResizeHpt;
54 
55 /**
56  * Capabilities
57  */
58 
59 /* Hardware Transactional Memory */
60 #define SPAPR_CAP_HTM                   0x00
61 /* Vector Scalar Extensions */
62 #define SPAPR_CAP_VSX                   0x01
63 /* Decimal Floating Point */
64 #define SPAPR_CAP_DFP                   0x02
65 /* Cache Flush on Privilege Change */
66 #define SPAPR_CAP_CFPC                  0x03
67 /* Speculation Barrier Bounds Checking */
68 #define SPAPR_CAP_SBBC                  0x04
69 /* Indirect Branch Serialisation */
70 #define SPAPR_CAP_IBS                   0x05
71 /* HPT Maximum Page Size (encoded as a shift) */
72 #define SPAPR_CAP_HPT_MAXPAGESIZE       0x06
73 /* Nested KVM-HV */
74 #define SPAPR_CAP_NESTED_KVM_HV         0x07
75 /* Large Decrementer */
76 #define SPAPR_CAP_LARGE_DECREMENTER     0x08
77 /* Count Cache Flush Assist HW Instruction */
78 #define SPAPR_CAP_CCF_ASSIST            0x09
79 /* Implements PAPR FWNMI option */
80 #define SPAPR_CAP_FWNMI                 0x0A
81 /* Support H_RPT_INVALIDATE */
82 #define SPAPR_CAP_RPT_INVALIDATE        0x0B
83 /* Support for AIL modes */
84 #define SPAPR_CAP_AIL_MODE_3            0x0C
85 /* Nested PAPR */
86 #define SPAPR_CAP_NESTED_PAPR           0x0D
87 /* DAWR1 */
88 #define SPAPR_CAP_DAWR1                 0x0E
89 /* Num Caps */
90 #define SPAPR_CAP_NUM                   (SPAPR_CAP_DAWR1 + 1)
91 
92 /*
93  * Capability Values
94  */
95 /* Bool Caps */
96 #define SPAPR_CAP_OFF                   0x00
97 #define SPAPR_CAP_ON                    0x01
98 
99 /* Custom Caps */
100 
101 /* Generic */
102 #define SPAPR_CAP_BROKEN                0x00
103 #define SPAPR_CAP_WORKAROUND            0x01
104 #define SPAPR_CAP_FIXED                 0x02
105 /* SPAPR_CAP_IBS (cap-ibs) */
106 #define SPAPR_CAP_FIXED_IBS             0x02
107 #define SPAPR_CAP_FIXED_CCD             0x03
108 #define SPAPR_CAP_FIXED_NA              0x10 /* Lets leave a bit of a gap... */
109 
110 #define FDT_MAX_SIZE                    0x200000
111 
112 /* Max number of NUMA nodes */
113 #define NUMA_NODES_MAX_NUM         (MAX_NODES)
114 
115 /*
116  * NUMA FORM1 macros. FORM1_DIST_REF_POINTS was taken from
117  * MAX_DISTANCE_REF_POINTS in arch/powerpc/mm/numa.h from Linux
118  * kernel source. It represents the amount of associativity domains
119  * for non-CPU resources.
120  *
121  * FORM1_NUMA_ASSOC_SIZE is the base array size of an ibm,associativity
122  * array for any non-CPU resource.
123  */
124 #define FORM1_DIST_REF_POINTS            4
125 #define FORM1_NUMA_ASSOC_SIZE            (FORM1_DIST_REF_POINTS + 1)
126 
127 /*
128  * FORM2 NUMA affinity has a single associativity domain, giving
129  * us a assoc size of 2.
130  */
131 #define FORM2_DIST_REF_POINTS            1
132 #define FORM2_NUMA_ASSOC_SIZE            (FORM2_DIST_REF_POINTS + 1)
133 
134 typedef struct SpaprCapabilities SpaprCapabilities;
135 struct SpaprCapabilities {
136     uint8_t caps[SPAPR_CAP_NUM];
137 };
138 
139 /**
140  * SpaprMachineClass:
141  */
142 struct SpaprMachineClass {
143     MachineClass parent_class;
144 
145     bool pre_5_1_assoc_refpoints;
146     bool pre_5_2_numa_associativity;
147     bool pre_6_2_numa_affinity;
148     SpaprResizeHpt resize_hpt_default;
149     SpaprCapabilities default_caps;
150     SpaprIrq *irq;
151 };
152 
153 #define WDT_MAX_WATCHDOGS       4      /* Maximum number of watchdog devices */
154 
155 #define TYPE_SPAPR_WDT "spapr-wdt"
156 OBJECT_DECLARE_SIMPLE_TYPE(SpaprWatchdog, SPAPR_WDT)
157 
158 typedef struct SpaprWatchdog {
159     /*< private >*/
160     DeviceState parent_obj;
161     /*< public >*/
162 
163     QEMUTimer timer;
164     uint8_t action;         /* One of PSERIES_WDTF_ACTION_xxx */
165     uint8_t leave_others;   /* leaveOtherWatchdogsRunningOnTimeout */
166 } SpaprWatchdog;
167 
168 /**
169  * SpaprMachineState:
170  */
171 struct SpaprMachineState {
172     /*< private >*/
173     MachineState parent_obj;
174 
175     struct SpaprVioBus *vio_bus;
176     QLIST_HEAD(, SpaprPhbState) phbs;
177     struct SpaprNvram *nvram;
178     SpaprRtcState rtc;
179 
180     SpaprResizeHpt resize_hpt;
181     void *htab;
182     uint32_t htab_shift;
183     uint64_t patb_entry; /* Process tbl registered in H_REGISTER_PROC_TBL */
184     SpaprPendingHpt *pending_hpt; /* in-progress resize */
185 
186     hwaddr rma_size;
187     uint32_t fdt_size;
188     uint32_t fdt_initial_size;
189     void *fdt_blob;
190     uint8_t fdt_rng_seed[32];
191     uint64_t hashpkey_val;
192     long kernel_size;
193     bool kernel_le;
194     uint64_t kernel_addr;
195     uint32_t initrd_base;
196     long initrd_size;
197     Vof *vof;
198     uint64_t rtc_offset; /* Now used only during incoming migration */
199     struct PPCTimebase tb;
200     bool want_stdout_path;
201     uint32_t vsmt;       /* Virtual SMT mode (KVM's "core stride") */
202 
203     /* Nested HV support (TCG only) */
204     SpaprMachineStateNested nested;
205 
206     Notifier epow_notifier;
207     QTAILQ_HEAD(, SpaprEventLogEntry) pending_events;
208     bool use_hotplug_event_source;
209     SpaprEventSource *event_sources;
210 
211     /* ibm,client-architecture-support option negotiation */
212     bool cas_pre_isa3_guest;
213     SpaprOptionVector *ov5;         /* QEMU-supported option vectors */
214     SpaprOptionVector *ov5_cas;     /* negotiated (via CAS) option vectors */
215     uint32_t max_compat_pvr;
216 
217     /* Migration state */
218     int htab_save_index;
219     bool htab_first_pass;
220     int htab_fd;
221 
222     /* Pending DIMM unplug cache. It is populated when a LMB
223      * unplug starts. It can be regenerated if a migration
224      * occurs during the unplug process. */
225     QTAILQ_HEAD(, SpaprDimmState) pending_dimm_unplugs;
226 
227     /* State related to FWNMI option */
228 
229     /* System Reset and Machine Check Notification Routine addresses
230      * registered by "ibm,nmi-register" RTAS call.
231      */
232     target_ulong fwnmi_system_reset_addr;
233     target_ulong fwnmi_machine_check_addr;
234 
235     /* Machine Check FWNMI synchronization, fwnmi_machine_check_interlock is
236      * set to -1 if a FWNMI machine check is not in progress, else is set to
237      * the CPU that was delivered the machine check, and is set back to -1
238      * when that CPU makes an "ibm,nmi-interlock" RTAS call. The cond is used
239      * to synchronize other CPUs.
240      */
241     int fwnmi_machine_check_interlock;
242     QemuCond fwnmi_machine_check_interlock_cond;
243 
244     /* Set by -boot */
245     char *boot_device;
246 
247     /*< public >*/
248     char *kvm_type;
249     char *host_model;
250     char *host_serial;
251 
252     int32_t irq_map_nr;
253     unsigned long *irq_map;
254     SpaprIrq *irq;
255     qemu_irq *qirqs;
256     SpaprInterruptController *active_intc;
257     ICSState *ics;
258     SpaprXive *xive;
259 
260     bool cmd_line_caps[SPAPR_CAP_NUM];
261     SpaprCapabilities def, eff, mig;
262 
263     SpaprTpmProxy *tpm_proxy;
264 
265     uint32_t FORM1_assoc_array[NUMA_NODES_MAX_NUM][FORM1_NUMA_ASSOC_SIZE];
266     uint32_t FORM2_assoc_array[NUMA_NODES_MAX_NUM][FORM2_NUMA_ASSOC_SIZE];
267 
268     Error *fwnmi_migration_blocker;
269 
270     SpaprWatchdog wds[WDT_MAX_WATCHDOGS];
271 
272     /* Fadump State */
273     bool fadump_registered;
274     bool fadump_dump_active;
275     FadumpMemStruct registered_fdm;
276 };
277 
278 #define H_SUCCESS         0
279 #define H_BUSY            1        /* Hardware busy -- retry later */
280 #define H_CLOSED          2        /* Resource closed */
281 #define H_NOT_AVAILABLE   3
282 #define H_CONSTRAINED     4        /* Resource request constrained to max allowed */
283 #define H_PARTIAL         5
284 #define H_IN_PROGRESS     14       /* Kind of like busy */
285 #define H_PAGE_REGISTERED 15
286 #define H_PARTIAL_STORE   16
287 #define H_PENDING         17       /* returned from H_POLL_PENDING */
288 #define H_CONTINUE        18       /* Returned from H_Join on success */
289 #define H_LONG_BUSY_START_RANGE         9900  /* Start of long busy range */
290 #define H_LONG_BUSY_ORDER_1_MSEC        9900  /* Long busy, hint that 1msec \
291                                                  is a good time to retry */
292 #define H_LONG_BUSY_ORDER_10_MSEC       9901  /* Long busy, hint that 10msec \
293                                                  is a good time to retry */
294 #define H_LONG_BUSY_ORDER_100_MSEC      9902  /* Long busy, hint that 100msec \
295                                                  is a good time to retry */
296 #define H_LONG_BUSY_ORDER_1_SEC         9903  /* Long busy, hint that 1sec \
297                                                  is a good time to retry */
298 #define H_LONG_BUSY_ORDER_10_SEC        9904  /* Long busy, hint that 10sec \
299                                                  is a good time to retry */
300 #define H_LONG_BUSY_ORDER_100_SEC       9905  /* Long busy, hint that 100sec \
301                                                  is a good time to retry */
302 #define H_LONG_BUSY_END_RANGE           9905  /* End of long busy range */
303 #define H_HARDWARE        -1       /* Hardware error */
304 #define H_FUNCTION        -2       /* Function not supported */
305 #define H_PRIVILEGE       -3       /* Caller not privileged */
306 #define H_PARAMETER       -4       /* Parameter invalid, out-of-range or conflicting */
307 #define H_BAD_MODE        -5       /* Illegal msr value */
308 #define H_PTEG_FULL       -6       /* PTEG is full */
309 #define H_NOT_FOUND       -7       /* PTE was not found" */
310 #define H_RESERVED_DABR   -8       /* DABR address is reserved by the hypervisor on this processor" */
311 #define H_NO_MEM          -9
312 #define H_AUTHORITY       -10
313 #define H_PERMISSION      -11
314 #define H_DROPPED         -12
315 #define H_SOURCE_PARM     -13
316 #define H_DEST_PARM       -14
317 #define H_REMOTE_PARM     -15
318 #define H_RESOURCE        -16
319 #define H_ADAPTER_PARM    -17
320 #define H_RH_PARM         -18
321 #define H_RCQ_PARM        -19
322 #define H_SCQ_PARM        -20
323 #define H_EQ_PARM         -21
324 #define H_RT_PARM         -22
325 #define H_ST_PARM         -23
326 #define H_SIGT_PARM       -24
327 #define H_TOKEN_PARM      -25
328 #define H_MLENGTH_PARM    -27
329 #define H_MEM_PARM        -28
330 #define H_MEM_ACCESS_PARM -29
331 #define H_ATTR_PARM       -30
332 #define H_PORT_PARM       -31
333 #define H_MCG_PARM        -32
334 #define H_VL_PARM         -33
335 #define H_TSIZE_PARM      -34
336 #define H_TRACE_PARM      -35
337 
338 #define H_MASK_PARM       -37
339 #define H_MCG_FULL        -38
340 #define H_ALIAS_EXIST     -39
341 #define H_P_COUNTER       -40
342 #define H_TABLE_FULL      -41
343 #define H_ALT_TABLE       -42
344 #define H_MR_CONDITION    -43
345 #define H_NOT_ENOUGH_RESOURCES -44
346 #define H_R_STATE         -45
347 #define H_RESCINDEND      -46
348 #define H_P2              -55
349 #define H_P3              -56
350 #define H_P4              -57
351 #define H_P5              -58
352 #define H_P6              -59
353 #define H_P7              -60
354 #define H_P8              -61
355 #define H_P9              -62
356 #define H_NOOP            -63
357 #define H_UNSUPPORTED     -67
358 #define H_OVERLAP         -68
359 #define H_STATE           -75
360 #define H_IN_USE          -77
361 #define H_INVALID_ELEMENT_VALUE            -81
362 #define H_UNSUPPORTED_FLAG -256
363 #define H_MULTI_THREADS_ACTIVE -9005
364 
365 
366 /* Long Busy is a condition that can be returned by the firmware
367  * when a call cannot be completed now, but the identical call
368  * should be retried later.  This prevents calls blocking in the
369  * firmware for long periods of time.  Annoyingly the firmware can return
370  * a range of return codes, hinting at how long we should wait before
371  * retrying.  If you don't care for the hint, the macro below is a good
372  * way to check for the long_busy return codes
373  */
374 #define H_IS_LONG_BUSY(x)  ((x >= H_LONG_BUSY_START_RANGE) \
375                             && (x <= H_LONG_BUSY_END_RANGE))
376 
377 /* Flags */
378 #define H_LARGE_PAGE      (1ULL<<(63-16))
379 #define H_EXACT           (1ULL<<(63-24))       /* Use exact PTE or return H_PTEG_FULL */
380 #define H_R_XLATE         (1ULL<<(63-25))       /* include a valid logical page num in the pte if the valid bit is set */
381 #define H_READ_4          (1ULL<<(63-26))       /* Return 4 PTEs */
382 #define H_PAGE_STATE_CHANGE (1ULL<<(63-28))
383 #define H_PAGE_UNUSED     ((1ULL<<(63-29)) | (1ULL<<(63-30)))
384 #define H_PAGE_SET_UNUSED (H_PAGE_STATE_CHANGE | H_PAGE_UNUSED)
385 #define H_PAGE_SET_LOANED (H_PAGE_SET_UNUSED | (1ULL<<(63-31)))
386 #define H_PAGE_SET_ACTIVE H_PAGE_STATE_CHANGE
387 #define H_AVPN            (1ULL<<(63-32))       /* An avpn is provided as a sanity test */
388 #define H_ANDCOND         (1ULL<<(63-33))
389 #define H_ICACHE_INVALIDATE (1ULL<<(63-40))     /* icbi, etc.  (ignored for IO pages) */
390 #define H_ICACHE_SYNCHRONIZE (1ULL<<(63-41))    /* dcbst, icbi, etc (ignored for IO pages */
391 #define H_ZERO_PAGE       (1ULL<<(63-48))       /* zero the page before mapping (ignored for IO pages) */
392 #define H_COPY_PAGE       (1ULL<<(63-49))
393 #define H_N               (1ULL<<(63-61))
394 #define H_PP1             (1ULL<<(63-62))
395 #define H_PP2             (1ULL<<(63-63))
396 
397 /* Values for 2nd argument to H_SET_MODE */
398 #define H_SET_MODE_RESOURCE_SET_CIABR           1
399 #define H_SET_MODE_RESOURCE_SET_DAWR0           2
400 #define H_SET_MODE_RESOURCE_ADDR_TRANS_MODE     3
401 #define H_SET_MODE_RESOURCE_LE                  4
402 #define H_SET_MODE_RESOURCE_SET_DAWR1           5
403 
404 /* Flags for H_SET_MODE_RESOURCE_LE */
405 #define H_SET_MODE_ENDIAN_BIG    0
406 #define H_SET_MODE_ENDIAN_LITTLE 1
407 
408 /* VASI States */
409 #define H_VASI_INVALID    0
410 #define H_VASI_ENABLED    1
411 #define H_VASI_ABORTED    2
412 #define H_VASI_SUSPENDING 3
413 #define H_VASI_SUSPENDED  4
414 #define H_VASI_RESUMED    5
415 #define H_VASI_COMPLETED  6
416 
417 /* DABRX flags */
418 #define H_DABRX_HYPERVISOR (1ULL<<(63-61))
419 #define H_DABRX_KERNEL     (1ULL<<(63-62))
420 #define H_DABRX_USER       (1ULL<<(63-63))
421 
422 /* Values for KVM_PPC_GET_CPU_CHAR & H_GET_CPU_CHARACTERISTICS */
423 #define H_CPU_CHAR_SPEC_BAR_ORI31               PPC_BIT(0)
424 #define H_CPU_CHAR_BCCTRL_SERIALISED            PPC_BIT(1)
425 #define H_CPU_CHAR_L1D_FLUSH_ORI30              PPC_BIT(2)
426 #define H_CPU_CHAR_L1D_FLUSH_TRIG2              PPC_BIT(3)
427 #define H_CPU_CHAR_L1D_THREAD_PRIV              PPC_BIT(4)
428 #define H_CPU_CHAR_HON_BRANCH_HINTS             PPC_BIT(5)
429 #define H_CPU_CHAR_THR_RECONF_TRIG              PPC_BIT(6)
430 #define H_CPU_CHAR_CACHE_COUNT_DIS              PPC_BIT(7)
431 #define H_CPU_CHAR_BCCTR_FLUSH_ASSIST           PPC_BIT(9)
432 
433 #define H_CPU_BEHAV_FAVOUR_SECURITY             PPC_BIT(0)
434 #define H_CPU_BEHAV_L1D_FLUSH_PR                PPC_BIT(1)
435 #define H_CPU_BEHAV_BNDS_CHK_SPEC_BAR           PPC_BIT(2)
436 #define H_CPU_BEHAV_FLUSH_COUNT_CACHE           PPC_BIT(5)
437 #define H_CPU_BEHAV_NO_L1D_FLUSH_ENTRY          PPC_BIT(7)
438 #define H_CPU_BEHAV_NO_L1D_FLUSH_UACCESS        PPC_BIT(8)
439 
440 /* Each control block has to be on a 4K boundary */
441 #define H_CB_ALIGNMENT     4096
442 
443 /* pSeries hypervisor opcodes */
444 #define H_REMOVE                0x04
445 #define H_ENTER                 0x08
446 #define H_READ                  0x0c
447 #define H_CLEAR_MOD             0x10
448 #define H_CLEAR_REF             0x14
449 #define H_PROTECT               0x18
450 #define H_GET_TCE               0x1c
451 #define H_PUT_TCE               0x20
452 #define H_SET_SPRG0             0x24
453 #define H_SET_DABR              0x28
454 #define H_PAGE_INIT             0x2c
455 #define H_SET_ASR               0x30
456 #define H_ASR_ON                0x34
457 #define H_ASR_OFF               0x38
458 #define H_LOGICAL_CI_LOAD       0x3c
459 #define H_LOGICAL_CI_STORE      0x40
460 #define H_LOGICAL_CACHE_LOAD    0x44
461 #define H_LOGICAL_CACHE_STORE   0x48
462 #define H_LOGICAL_ICBI          0x4c
463 #define H_LOGICAL_DCBF          0x50
464 #define H_GET_TERM_CHAR         0x54
465 #define H_PUT_TERM_CHAR         0x58
466 #define H_REAL_TO_LOGICAL       0x5c
467 #define H_HYPERVISOR_DATA       0x60
468 #define H_EOI                   0x64
469 #define H_CPPR                  0x68
470 #define H_IPI                   0x6c
471 #define H_IPOLL                 0x70
472 #define H_XIRR                  0x74
473 #define H_PERFMON               0x7c
474 #define H_MIGRATE_DMA           0x78
475 #define H_REGISTER_VPA          0xDC
476 #define H_CEDE                  0xE0
477 #define H_CONFER                0xE4
478 #define H_PROD                  0xE8
479 #define H_GET_PPP               0xEC
480 #define H_SET_PPP               0xF0
481 #define H_PURR                  0xF4
482 #define H_PIC                   0xF8
483 #define H_REG_CRQ               0xFC
484 #define H_FREE_CRQ              0x100
485 #define H_VIO_SIGNAL            0x104
486 #define H_SEND_CRQ              0x108
487 #define H_COPY_RDMA             0x110
488 #define H_REGISTER_LOGICAL_LAN  0x114
489 #define H_FREE_LOGICAL_LAN      0x118
490 #define H_ADD_LOGICAL_LAN_BUFFER 0x11C
491 #define H_SEND_LOGICAL_LAN      0x120
492 #define H_BULK_REMOVE           0x124
493 #define H_MULTICAST_CTRL        0x130
494 #define H_SET_XDABR             0x134
495 #define H_STUFF_TCE             0x138
496 #define H_PUT_TCE_INDIRECT      0x13C
497 #define H_CHANGE_LOGICAL_LAN_MAC 0x14C
498 #define H_VTERM_PARTNER_INFO    0x150
499 #define H_REGISTER_VTERM        0x154
500 #define H_FREE_VTERM            0x158
501 #define H_RESET_EVENTS          0x15C
502 #define H_ALLOC_RESOURCE        0x160
503 #define H_FREE_RESOURCE         0x164
504 #define H_MODIFY_QP             0x168
505 #define H_QUERY_QP              0x16C
506 #define H_REREGISTER_PMR        0x170
507 #define H_REGISTER_SMR          0x174
508 #define H_QUERY_MR              0x178
509 #define H_QUERY_MW              0x17C
510 #define H_QUERY_HCA             0x180
511 #define H_QUERY_PORT            0x184
512 #define H_MODIFY_PORT           0x188
513 #define H_DEFINE_AQP1           0x18C
514 #define H_GET_TRACE_BUFFER      0x190
515 #define H_DEFINE_AQP0           0x194
516 #define H_RESIZE_MR             0x198
517 #define H_ATTACH_MCQP           0x19C
518 #define H_DETACH_MCQP           0x1A0
519 #define H_CREATE_RPT            0x1A4
520 #define H_REMOVE_RPT            0x1A8
521 #define H_REGISTER_RPAGES       0x1AC
522 #define H_DISABLE_AND_GETC      0x1B0
523 #define H_ERROR_DATA            0x1B4
524 #define H_GET_HCA_INFO          0x1B8
525 #define H_GET_PERF_COUNT        0x1BC
526 #define H_MANAGE_TRACE          0x1C0
527 #define H_GET_CPU_CHARACTERISTICS 0x1C8
528 #define H_FREE_LOGICAL_LAN_BUFFER 0x1D4
529 #define H_QUERY_INT_STATE       0x1E4
530 #define H_POLL_PENDING          0x1D8
531 #define H_ILLAN_ATTRIBUTES      0x244
532 #define H_MODIFY_HEA_QP         0x250
533 #define H_QUERY_HEA_QP          0x254
534 #define H_QUERY_HEA             0x258
535 #define H_QUERY_HEA_PORT        0x25C
536 #define H_MODIFY_HEA_PORT       0x260
537 #define H_REG_BCMC              0x264
538 #define H_DEREG_BCMC            0x268
539 #define H_REGISTER_HEA_RPAGES   0x26C
540 #define H_DISABLE_AND_GET_HEA   0x270
541 #define H_GET_HEA_INFO          0x274
542 #define H_ALLOC_HEA_RESOURCE    0x278
543 #define H_ADD_CONN              0x284
544 #define H_DEL_CONN              0x288
545 #define H_JOIN                  0x298
546 #define H_VASI_STATE            0x2A4
547 #define H_ENABLE_CRQ            0x2B0
548 #define H_GET_EM_PARMS          0x2B8
549 #define H_SET_MPP               0x2D0
550 #define H_GET_MPP               0x2D4
551 #define H_HOME_NODE_ASSOCIATIVITY 0x2EC
552 #define H_XIRR_X                0x2FC
553 #define H_RANDOM                0x300
554 #define H_SET_MODE              0x31C
555 #define H_RESIZE_HPT_PREPARE    0x36C
556 #define H_RESIZE_HPT_COMMIT     0x370
557 #define H_CLEAN_SLB             0x374
558 #define H_INVALIDATE_PID        0x378
559 #define H_REGISTER_PROC_TBL     0x37C
560 #define H_SIGNAL_SYS_RESET      0x380
561 
562 #define H_INT_GET_SOURCE_INFO   0x3A8
563 #define H_INT_SET_SOURCE_CONFIG 0x3AC
564 #define H_INT_GET_SOURCE_CONFIG 0x3B0
565 #define H_INT_GET_QUEUE_INFO    0x3B4
566 #define H_INT_SET_QUEUE_CONFIG  0x3B8
567 #define H_INT_GET_QUEUE_CONFIG  0x3BC
568 #define H_INT_SET_OS_REPORTING_LINE 0x3C0
569 #define H_INT_GET_OS_REPORTING_LINE 0x3C4
570 #define H_INT_ESB               0x3C8
571 #define H_INT_SYNC              0x3CC
572 #define H_INT_RESET             0x3D0
573 #define H_SCM_READ_METADATA     0x3E4
574 #define H_SCM_WRITE_METADATA    0x3E8
575 #define H_SCM_BIND_MEM          0x3EC
576 #define H_SCM_UNBIND_MEM        0x3F0
577 #define H_SCM_UNBIND_ALL        0x3FC
578 #define H_SCM_HEALTH            0x400
579 #define H_RPT_INVALIDATE        0x448
580 #define H_SCM_FLUSH             0x44C
581 #define H_WATCHDOG              0x45C
582 #define H_GUEST_GET_CAPABILITIES 0x460
583 #define H_GUEST_SET_CAPABILITIES 0x464
584 #define H_GUEST_CREATE           0x470
585 #define H_GUEST_CREATE_VCPU      0x474
586 #define H_GUEST_GET_STATE        0x478
587 #define H_GUEST_SET_STATE        0x47C
588 #define H_GUEST_RUN_VCPU         0x480
589 #define H_GUEST_DELETE           0x488
590 
591 #define MAX_HCALL_OPCODE         H_GUEST_DELETE
592 
593 /* The hcalls above are standardized in PAPR and implemented by pHyp
594  * as well.
595  *
596  * We also need some hcalls which are specific to qemu / KVM-on-POWER.
597  * We put those into the 0xf000-0xfffc range which is reserved by PAPR
598  * for "platform-specific" hcalls.
599  */
600 #define KVMPPC_HCALL_BASE       0xf000
601 #define KVMPPC_H_RTAS           (KVMPPC_HCALL_BASE + 0x0)
602 #define KVMPPC_H_LOGICAL_MEMOP  (KVMPPC_HCALL_BASE + 0x1)
603 /* Client Architecture support */
604 #define KVMPPC_H_CAS            (KVMPPC_HCALL_BASE + 0x2)
605 #define KVMPPC_H_UPDATE_DT      (KVMPPC_HCALL_BASE + 0x3)
606 /* 0x4 was used for KVMPPC_H_UPDATE_PHANDLE in SLOF */
607 #define KVMPPC_H_VOF_CLIENT     (KVMPPC_HCALL_BASE + 0x5)
608 
609 /* Platform-specific hcalls used for nested HV KVM */
610 #define KVMPPC_H_SET_PARTITION_TABLE   (KVMPPC_HCALL_BASE + 0x800)
611 #define KVMPPC_H_ENTER_NESTED          (KVMPPC_HCALL_BASE + 0x804)
612 #define KVMPPC_H_TLB_INVALIDATE        (KVMPPC_HCALL_BASE + 0x808)
613 #define KVMPPC_H_COPY_TOFROM_GUEST     (KVMPPC_HCALL_BASE + 0x80C)
614 
615 #define KVMPPC_HCALL_MAX        KVMPPC_H_COPY_TOFROM_GUEST
616 
617 /*
618  * The hcall range 0xEF00 to 0xEF80 is reserved for use in facilitating
619  * Secure VM mode via an Ultravisor / Protected Execution Facility
620  */
621 #define SVM_HCALL_BASE              0xEF00
622 #define SVM_H_TPM_COMM              0xEF10
623 #define SVM_HCALL_MAX               SVM_H_TPM_COMM
624 
625 typedef struct SpaprDeviceTreeUpdateHeader {
626     uint32_t version_id;
627 } SpaprDeviceTreeUpdateHeader;
628 
629 #define hcall_dprintf(fmt, ...) \
630     do { \
631         qemu_log_mask(LOG_GUEST_ERROR, "%s: " fmt, __func__, ## __VA_ARGS__); \
632     } while (0)
633 
634 typedef target_ulong (*spapr_hcall_fn)(PowerPCCPU *cpu, SpaprMachineState *sm,
635                                        target_ulong opcode,
636                                        target_ulong *args);
637 
638 void spapr_register_hypercall(target_ulong opcode, spapr_hcall_fn fn);
639 void spapr_unregister_hypercall(target_ulong opcode);
640 target_ulong spapr_hypercall(PowerPCCPU *cpu, target_ulong opcode,
641                              target_ulong *args);
642 
643 target_ulong vhyp_mmu_resize_hpt_prepare(PowerPCCPU *cpu,
644                                          SpaprMachineState *spapr,
645                                          target_ulong shift);
646 target_ulong vhyp_mmu_resize_hpt_commit(PowerPCCPU *cpu,
647                                         SpaprMachineState *spapr,
648                                         target_ulong flags,
649                                         target_ulong shift);
650 bool is_ram_address(SpaprMachineState *spapr, hwaddr addr);
651 void push_sregs_to_kvm_pr(SpaprMachineState *spapr);
652 
653 /* Virtual Processor Area structure constants */
654 #define VPA_MIN_SIZE           640
655 #define VPA_SIZE_OFFSET        0x4
656 #define VPA_SHARED_PROC_OFFSET 0x9
657 #define VPA_SHARED_PROC_VAL    0x2
658 #define VPA_DISPATCH_COUNTER   0x100
659 
660 /* ibm,set-eeh-option */
661 #define RTAS_EEH_DISABLE                 0
662 #define RTAS_EEH_ENABLE                  1
663 #define RTAS_EEH_THAW_IO                 2
664 #define RTAS_EEH_THAW_DMA                3
665 
666 /* ibm,get-config-addr-info2 */
667 #define RTAS_GET_PE_ADDR                 0
668 #define RTAS_GET_PE_MODE                 1
669 #define RTAS_PE_MODE_NONE                0
670 #define RTAS_PE_MODE_NOT_SHARED          1
671 #define RTAS_PE_MODE_SHARED              2
672 
673 /* ibm,read-slot-reset-state2 */
674 #define RTAS_EEH_PE_STATE_NORMAL         0
675 #define RTAS_EEH_PE_STATE_RESET          1
676 #define RTAS_EEH_PE_STATE_STOPPED_IO_DMA 2
677 #define RTAS_EEH_PE_STATE_STOPPED_DMA    4
678 #define RTAS_EEH_PE_STATE_UNAVAIL        5
679 #define RTAS_EEH_NOT_SUPPORT             0
680 #define RTAS_EEH_SUPPORT                 1
681 #define RTAS_EEH_PE_UNAVAIL_INFO         1000
682 #define RTAS_EEH_PE_RECOVER_INFO         0
683 
684 /* ibm,set-slot-reset */
685 #define RTAS_SLOT_RESET_DEACTIVATE       0
686 #define RTAS_SLOT_RESET_HOT              1
687 #define RTAS_SLOT_RESET_FUNDAMENTAL      3
688 
689 /* ibm,slot-error-detail */
690 #define RTAS_SLOT_TEMP_ERR_LOG           1
691 #define RTAS_SLOT_PERM_ERR_LOG           2
692 
693 /* RTAS return codes */
694 #define RTAS_OUT_SUCCESS                        0
695 #define RTAS_OUT_NO_ERRORS_FOUND                1
696 #define RTAS_OUT_HW_ERROR                       -1
697 #define RTAS_OUT_BUSY                           -2
698 #define RTAS_OUT_PARAM_ERROR                    -3
699 #define RTAS_OUT_NOT_SUPPORTED                  -3
700 #define RTAS_OUT_NO_SUCH_INDICATOR              -3
701 #define RTAS_OUT_DUMP_ALREADY_REGISTERED        -9
702 #define RTAS_OUT_DUMP_ACTIVE                    -10
703 #define RTAS_OUT_NOT_AUTHORIZED                 -9002
704 #define RTAS_OUT_SYSPARM_PARAM_ERROR            -9999
705 
706 /* DDW pagesize mask values from ibm,query-pe-dma-window */
707 #define RTAS_DDW_PGSIZE_4K       0x01
708 #define RTAS_DDW_PGSIZE_64K      0x02
709 #define RTAS_DDW_PGSIZE_16M      0x04
710 #define RTAS_DDW_PGSIZE_32M      0x08
711 #define RTAS_DDW_PGSIZE_64M      0x10
712 #define RTAS_DDW_PGSIZE_128M     0x20
713 #define RTAS_DDW_PGSIZE_256M     0x40
714 #define RTAS_DDW_PGSIZE_16G      0x80
715 #define RTAS_DDW_PGSIZE_2M       0x100
716 
717 /* RTAS tokens */
718 #define RTAS_TOKEN_BASE      0x2000
719 
720 #define RTAS_DISPLAY_CHARACTER                  (RTAS_TOKEN_BASE + 0x00)
721 #define RTAS_GET_TIME_OF_DAY                    (RTAS_TOKEN_BASE + 0x01)
722 #define RTAS_SET_TIME_OF_DAY                    (RTAS_TOKEN_BASE + 0x02)
723 #define RTAS_POWER_OFF                          (RTAS_TOKEN_BASE + 0x03)
724 #define RTAS_SYSTEM_REBOOT                      (RTAS_TOKEN_BASE + 0x04)
725 #define RTAS_QUERY_CPU_STOPPED_STATE            (RTAS_TOKEN_BASE + 0x05)
726 #define RTAS_START_CPU                          (RTAS_TOKEN_BASE + 0x06)
727 #define RTAS_STOP_SELF                          (RTAS_TOKEN_BASE + 0x07)
728 #define RTAS_IBM_GET_SYSTEM_PARAMETER           (RTAS_TOKEN_BASE + 0x08)
729 #define RTAS_IBM_SET_SYSTEM_PARAMETER           (RTAS_TOKEN_BASE + 0x09)
730 #define RTAS_IBM_SET_XIVE                       (RTAS_TOKEN_BASE + 0x0A)
731 #define RTAS_IBM_GET_XIVE                       (RTAS_TOKEN_BASE + 0x0B)
732 #define RTAS_IBM_INT_OFF                        (RTAS_TOKEN_BASE + 0x0C)
733 #define RTAS_IBM_INT_ON                         (RTAS_TOKEN_BASE + 0x0D)
734 #define RTAS_CHECK_EXCEPTION                    (RTAS_TOKEN_BASE + 0x0E)
735 #define RTAS_EVENT_SCAN                         (RTAS_TOKEN_BASE + 0x0F)
736 #define RTAS_IBM_SET_TCE_BYPASS                 (RTAS_TOKEN_BASE + 0x10)
737 #define RTAS_QUIESCE                            (RTAS_TOKEN_BASE + 0x11)
738 #define RTAS_NVRAM_FETCH                        (RTAS_TOKEN_BASE + 0x12)
739 #define RTAS_NVRAM_STORE                        (RTAS_TOKEN_BASE + 0x13)
740 #define RTAS_READ_PCI_CONFIG                    (RTAS_TOKEN_BASE + 0x14)
741 #define RTAS_WRITE_PCI_CONFIG                   (RTAS_TOKEN_BASE + 0x15)
742 #define RTAS_IBM_READ_PCI_CONFIG                (RTAS_TOKEN_BASE + 0x16)
743 #define RTAS_IBM_WRITE_PCI_CONFIG               (RTAS_TOKEN_BASE + 0x17)
744 #define RTAS_IBM_QUERY_INTERRUPT_SOURCE_NUMBER  (RTAS_TOKEN_BASE + 0x18)
745 #define RTAS_IBM_CHANGE_MSI                     (RTAS_TOKEN_BASE + 0x19)
746 #define RTAS_SET_INDICATOR                      (RTAS_TOKEN_BASE + 0x1A)
747 #define RTAS_SET_POWER_LEVEL                    (RTAS_TOKEN_BASE + 0x1B)
748 #define RTAS_GET_POWER_LEVEL                    (RTAS_TOKEN_BASE + 0x1C)
749 #define RTAS_GET_SENSOR_STATE                   (RTAS_TOKEN_BASE + 0x1D)
750 #define RTAS_IBM_CONFIGURE_CONNECTOR            (RTAS_TOKEN_BASE + 0x1E)
751 #define RTAS_IBM_OS_TERM                        (RTAS_TOKEN_BASE + 0x1F)
752 #define RTAS_IBM_SET_EEH_OPTION                 (RTAS_TOKEN_BASE + 0x20)
753 #define RTAS_IBM_GET_CONFIG_ADDR_INFO2          (RTAS_TOKEN_BASE + 0x21)
754 #define RTAS_IBM_READ_SLOT_RESET_STATE2         (RTAS_TOKEN_BASE + 0x22)
755 #define RTAS_IBM_SET_SLOT_RESET                 (RTAS_TOKEN_BASE + 0x23)
756 #define RTAS_IBM_CONFIGURE_PE                   (RTAS_TOKEN_BASE + 0x24)
757 #define RTAS_IBM_SLOT_ERROR_DETAIL              (RTAS_TOKEN_BASE + 0x25)
758 #define RTAS_IBM_QUERY_PE_DMA_WINDOW            (RTAS_TOKEN_BASE + 0x26)
759 #define RTAS_IBM_CREATE_PE_DMA_WINDOW           (RTAS_TOKEN_BASE + 0x27)
760 #define RTAS_IBM_REMOVE_PE_DMA_WINDOW           (RTAS_TOKEN_BASE + 0x28)
761 #define RTAS_IBM_RESET_PE_DMA_WINDOW            (RTAS_TOKEN_BASE + 0x29)
762 #define RTAS_IBM_SUSPEND_ME                     (RTAS_TOKEN_BASE + 0x2A)
763 #define RTAS_IBM_NMI_REGISTER                   (RTAS_TOKEN_BASE + 0x2B)
764 #define RTAS_IBM_NMI_INTERLOCK                  (RTAS_TOKEN_BASE + 0x2C)
765 #define RTAS_CONFIGURE_KERNEL_DUMP              (RTAS_TOKEN_BASE + 0x2D)
766 
767 #define RTAS_TOKEN_MAX                          (RTAS_TOKEN_BASE + 0x2E)
768 
769 /* RTAS ibm,get-system-parameter token values */
770 #define RTAS_SYSPARM_SPLPAR_CHARACTERISTICS      20
771 #define RTAS_SYSPARM_DIAGNOSTICS_RUN_MODE        42
772 #define RTAS_SYSPARM_UUID                        48
773 
774 /* RTAS indicator/sensor types
775  *
776  * as defined by PAPR+ 2.7 7.3.5.4, Table 41
777  *
778  * NOTE: currently only DR-related sensors are implemented here
779  */
780 #define RTAS_SENSOR_TYPE_ISOLATION_STATE        9001
781 #define RTAS_SENSOR_TYPE_DR                     9002
782 #define RTAS_SENSOR_TYPE_ALLOCATION_STATE       9003
783 #define RTAS_SENSOR_TYPE_ENTITY_SENSE RTAS_SENSOR_TYPE_ALLOCATION_STATE
784 
785 /* Possible values for the platform-processor-diagnostics-run-mode parameter
786  * of the RTAS ibm,get-system-parameter call.
787  */
788 #define DIAGNOSTICS_RUN_MODE_DISABLED  0
789 #define DIAGNOSTICS_RUN_MODE_STAGGERED 1
790 #define DIAGNOSTICS_RUN_MODE_IMMEDIATE 2
791 #define DIAGNOSTICS_RUN_MODE_PERIODIC  3
792 
793 static inline uint64_t ppc64_phys_to_real(uint64_t addr)
794 {
795     return addr & ~0xF000000000000000ULL;
796 }
797 
798 static inline uint32_t rtas_ld(target_ulong phys, int n)
799 {
800     return ldl_be_phys(&address_space_memory,
801                        ppc64_phys_to_real(phys + 4 * n));
802 }
803 
804 static inline uint64_t rtas_ldq(target_ulong phys, int n)
805 {
806     return (uint64_t)rtas_ld(phys, n) << 32 | rtas_ld(phys, n + 1);
807 }
808 
809 static inline void rtas_st(target_ulong phys, int n, uint32_t val)
810 {
811     stl_be_phys(&address_space_memory, ppc64_phys_to_real(phys + 4 * n), val);
812 }
813 
814 typedef void (*spapr_rtas_fn)(PowerPCCPU *cpu, SpaprMachineState *sm,
815                               uint32_t token,
816                               uint32_t nargs, target_ulong args,
817                               uint32_t nret, target_ulong rets);
818 void spapr_rtas_register(int token, const char *name, spapr_rtas_fn fn);
819 target_ulong spapr_rtas_call(PowerPCCPU *cpu, SpaprMachineState *sm,
820                              uint32_t token, uint32_t nargs, target_ulong args,
821                              uint32_t nret, target_ulong rets);
822 void spapr_dt_rtas_tokens(void *fdt, int rtas);
823 void spapr_load_rtas(SpaprMachineState *spapr, void *fdt, hwaddr addr);
824 
825 #define SPAPR_TCE_PAGE_SHIFT   12
826 #define SPAPR_TCE_PAGE_SIZE    (1ULL << SPAPR_TCE_PAGE_SHIFT)
827 #define SPAPR_TCE_PAGE_MASK    (SPAPR_TCE_PAGE_SIZE - 1)
828 
829 #define SPAPR_VIO_BASE_LIOBN    0x00000000
830 #define SPAPR_VIO_LIOBN(reg)    (0x00000000 | (reg))
831 #define SPAPR_PCI_LIOBN(phb_index, window_num) \
832     (0x80000000 | ((phb_index) << 8) | (window_num))
833 #define SPAPR_IS_PCI_LIOBN(liobn)   (!!((liobn) & 0x80000000))
834 #define SPAPR_PCI_DMA_WINDOW_NUM(liobn) ((liobn) & 0xff)
835 
836 #define RTAS_MIN_SIZE           20 /* hv_rtas_size in SLOF */
837 #define RTAS_ERROR_LOG_MAX      2048
838 
839 /* Offset from rtas-base where error log is placed */
840 #define RTAS_ERROR_LOG_OFFSET       0x30
841 
842 #define RTAS_EVENT_SCAN_RATE    1
843 
844 /* This helper should be used to encode interrupt specifiers when the related
845  * "interrupt-controller" node has its "#interrupt-cells" property set to 2 (ie,
846  * VIO devices, RTAS event sources and PHBs).
847  */
848 static inline void spapr_dt_irq(uint32_t *intspec, int irq, bool is_lsi)
849 {
850     intspec[0] = cpu_to_be32(irq);
851     intspec[1] = is_lsi ? cpu_to_be32(1) : 0;
852 }
853 
854 
855 #define TYPE_SPAPR_TCE_TABLE "spapr-tce-table"
856 OBJECT_DECLARE_SIMPLE_TYPE(SpaprTceTable, SPAPR_TCE_TABLE)
857 
858 #define TYPE_SPAPR_IOMMU_MEMORY_REGION "spapr-iommu-memory-region"
859 DECLARE_INSTANCE_CHECKER(IOMMUMemoryRegion, SPAPR_IOMMU_MEMORY_REGION,
860                          TYPE_SPAPR_IOMMU_MEMORY_REGION)
861 
862 struct SpaprTceTable {
863     DeviceState parent;
864     uint32_t liobn;
865     uint32_t nb_table;
866     uint64_t bus_offset;
867     uint32_t page_shift;
868     uint64_t *table;
869     uint32_t mig_nb_table;
870     uint64_t *mig_table;
871     bool bypass;
872     bool need_vfio;
873     bool skipping_replay;
874     bool def_win;
875     int fd;
876     MemoryRegion root;
877     IOMMUMemoryRegion iommu;
878     struct SpaprVioDevice *vdev; /* for @bypass migration compatibility only */
879     QLIST_ENTRY(SpaprTceTable) list;
880 };
881 
882 SpaprTceTable *spapr_tce_find_by_liobn(target_ulong liobn);
883 
884 struct SpaprEventLogEntry {
885     uint32_t summary;
886     uint32_t extended_length;
887     void *extended_log;
888     QTAILQ_ENTRY(SpaprEventLogEntry) next;
889 };
890 
891 void *spapr_build_fdt(SpaprMachineState *spapr, bool reset, size_t space);
892 void spapr_events_init(SpaprMachineState *sm);
893 void spapr_dt_events(SpaprMachineState *sm, void *fdt);
894 void close_htab_fd(SpaprMachineState *spapr);
895 void spapr_setup_hpt(SpaprMachineState *spapr);
896 void spapr_free_hpt(SpaprMachineState *spapr);
897 void spapr_check_mmu_mode(bool guest_radix);
898 SpaprTceTable *spapr_tce_new_table(DeviceState *owner, uint32_t liobn);
899 void spapr_tce_table_enable(SpaprTceTable *tcet,
900                             uint32_t page_shift, uint64_t bus_offset,
901                             uint32_t nb_table);
902 void spapr_tce_table_disable(SpaprTceTable *tcet);
903 void spapr_tce_set_need_vfio(SpaprTceTable *tcet, bool need_vfio);
904 
905 MemoryRegion *spapr_tce_get_iommu(SpaprTceTable *tcet);
906 int spapr_dma_dt(void *fdt, int node_off, const char *propname,
907                  uint32_t liobn, uint64_t window, uint32_t size);
908 int spapr_tcet_dma_dt(void *fdt, int node_off, const char *propname,
909                       SpaprTceTable *tcet);
910 void spapr_pci_switch_vga(SpaprMachineState *spapr, bool big_endian);
911 void spapr_hotplug_req_add_by_index(SpaprDrc *drc);
912 void spapr_hotplug_req_remove_by_index(SpaprDrc *drc);
913 void spapr_hotplug_req_add_by_count(SpaprDrcType drc_type,
914                                        uint32_t count);
915 void spapr_hotplug_req_remove_by_count(SpaprDrcType drc_type,
916                                           uint32_t count);
917 void spapr_hotplug_req_add_by_count_indexed(SpaprDrcType drc_type,
918                                             uint32_t count, uint32_t index);
919 void spapr_hotplug_req_remove_by_count_indexed(SpaprDrcType drc_type,
920                                                uint32_t count, uint32_t index);
921 int spapr_hpt_shift_for_ramsize(uint64_t ramsize);
922 int spapr_reallocate_hpt(SpaprMachineState *spapr, int shift, Error **errp);
923 void spapr_clear_pending_events(SpaprMachineState *spapr);
924 void spapr_clear_pending_hotplug_events(SpaprMachineState *spapr);
925 void spapr_memory_unplug_rollback(SpaprMachineState *spapr, DeviceState *dev);
926 int spapr_max_server_number(SpaprMachineState *spapr);
927 void spapr_store_hpte(PowerPCCPU *cpu, hwaddr ptex,
928                       uint64_t pte0, uint64_t pte1);
929 void spapr_mce_req_event(PowerPCCPU *cpu, bool recovered);
930 
931 /* DRC callbacks. */
932 void spapr_core_release(DeviceState *dev);
933 int spapr_core_dt_populate(SpaprDrc *drc, SpaprMachineState *spapr,
934                            void *fdt, int *fdt_start_offset, Error **errp);
935 void spapr_lmb_release(DeviceState *dev);
936 int spapr_lmb_dt_populate(SpaprDrc *drc, SpaprMachineState *spapr,
937                           void *fdt, int *fdt_start_offset, Error **errp);
938 void spapr_phb_release(DeviceState *dev);
939 int spapr_phb_dt_populate(SpaprDrc *drc, SpaprMachineState *spapr,
940                           void *fdt, int *fdt_start_offset, Error **errp);
941 
942 void spapr_rtc_read(SpaprRtcState *rtc, struct tm *tm, uint32_t *ns);
943 int spapr_rtc_import_offset(SpaprRtcState *rtc, int64_t legacy_offset);
944 
945 #define TYPE_SPAPR_RNG "spapr-rng"
946 
947 #define SPAPR_MEMORY_BLOCK_SIZE ((hwaddr)1 << 28) /* 256MB */
948 
949 /*
950  * This defines the maximum number of DIMM slots we can have for sPAPR
951  * guest. This is not defined by sPAPR but we are defining it to 32 slots
952  * based on default number of slots provided by PowerPC kernel.
953  */
954 #define SPAPR_MAX_RAM_SLOTS     32
955 
956 /* 1GB alignment for hotplug memory region */
957 #define SPAPR_DEVICE_MEM_ALIGN (1 * GiB)
958 
959 /*
960  * Number of 32 bit words in each LMB list entry in ibm,dynamic-memory
961  * property under ibm,dynamic-reconfiguration-memory node.
962  */
963 #define SPAPR_DR_LMB_LIST_ENTRY_SIZE 6
964 
965 /*
966  * Defines for flag value in ibm,dynamic-memory property under
967  * ibm,dynamic-reconfiguration-memory node.
968  */
969 #define SPAPR_LMB_FLAGS_ASSIGNED 0x00000008
970 #define SPAPR_LMB_FLAGS_DRC_INVALID 0x00000020
971 #define SPAPR_LMB_FLAGS_RESERVED 0x00000080
972 #define SPAPR_LMB_FLAGS_HOTREMOVABLE 0x00000100
973 
974 void spapr_do_system_reset_on_cpu(CPUState *cs, run_on_cpu_data arg);
975 
976 #define HTAB_SIZE(spapr)        (1ULL << ((spapr)->htab_shift))
977 
978 int spapr_get_vcpu_id(PowerPCCPU *cpu);
979 bool spapr_set_vcpu_id(PowerPCCPU *cpu, int cpu_index, Error **errp);
980 PowerPCCPU *spapr_find_cpu(int vcpu_id);
981 
982 int spapr_caps_pre_load(void *opaque);
983 int spapr_caps_pre_save(void *opaque);
984 
985 /*
986  * Handling of optional capabilities
987  */
988 extern const VMStateDescription vmstate_spapr_cap_htm;
989 extern const VMStateDescription vmstate_spapr_cap_vsx;
990 extern const VMStateDescription vmstate_spapr_cap_dfp;
991 extern const VMStateDescription vmstate_spapr_cap_cfpc;
992 extern const VMStateDescription vmstate_spapr_cap_sbbc;
993 extern const VMStateDescription vmstate_spapr_cap_ibs;
994 extern const VMStateDescription vmstate_spapr_cap_hpt_maxpagesize;
995 extern const VMStateDescription vmstate_spapr_cap_nested_kvm_hv;
996 extern const VMStateDescription vmstate_spapr_cap_nested_papr;
997 extern const VMStateDescription vmstate_spapr_cap_large_decr;
998 extern const VMStateDescription vmstate_spapr_cap_ccf_assist;
999 extern const VMStateDescription vmstate_spapr_cap_fwnmi;
1000 extern const VMStateDescription vmstate_spapr_cap_rpt_invalidate;
1001 extern const VMStateDescription vmstate_spapr_cap_ail_mode_3;
1002 extern const VMStateDescription vmstate_spapr_wdt;
1003 extern const VMStateDescription vmstate_spapr_cap_dawr1;
1004 
1005 static inline uint8_t spapr_get_cap(SpaprMachineState *spapr, int cap)
1006 {
1007     return spapr->eff.caps[cap];
1008 }
1009 
1010 void spapr_caps_init(SpaprMachineState *spapr);
1011 void spapr_caps_apply(SpaprMachineState *spapr);
1012 void spapr_caps_cpu_apply(SpaprMachineState *spapr, PowerPCCPU *cpu);
1013 void spapr_caps_add_properties(SpaprMachineClass *smc);
1014 int spapr_caps_post_migration(SpaprMachineState *spapr);
1015 
1016 bool spapr_check_pagesize(SpaprMachineState *spapr, hwaddr pagesize,
1017                           Error **errp);
1018 /*
1019  * XIVE definitions
1020  */
1021 #define SPAPR_OV5_XIVE_LEGACY   0x0
1022 #define SPAPR_OV5_XIVE_EXPLOIT  0x40
1023 #define SPAPR_OV5_XIVE_BOTH     0x80 /* Only to advertise on the platform */
1024 
1025 void spapr_set_all_lpcrs(target_ulong value, target_ulong mask);
1026 void spapr_init_all_lpcrs(target_ulong value, target_ulong mask);
1027 hwaddr spapr_get_rtas_addr(void);
1028 bool spapr_memory_hot_unplug_supported(SpaprMachineState *spapr);
1029 
1030 void spapr_vof_reset(SpaprMachineState *spapr, void *fdt, Error **errp);
1031 void spapr_vof_quiesce(MachineState *ms);
1032 bool spapr_vof_setprop(MachineState *ms, const char *path, const char *propname,
1033                        void *val, int vallen);
1034 target_ulong spapr_h_vof_client(PowerPCCPU *cpu, SpaprMachineState *spapr,
1035                                 target_ulong opcode, target_ulong *args);
1036 target_ulong spapr_vof_client_architecture_support(MachineState *ms,
1037                                                    CPUState *cs,
1038                                                    target_ulong ovec_addr);
1039 void spapr_vof_client_dt_finalize(SpaprMachineState *spapr, void *fdt);
1040 
1041 /* H_WATCHDOG */
1042 void spapr_watchdog_init(SpaprMachineState *spapr);
1043 void spapr_register_nested_hv(void);
1044 void spapr_unregister_nested_hv(void);
1045 void spapr_nested_reset(SpaprMachineState *spapr);
1046 void spapr_register_nested_papr(void);
1047 void spapr_unregister_nested_papr(void);
1048 
1049 #endif /* HW_SPAPR_H */
1050