xref: /openbmc/qemu/include/hw/ppc/spapr.h (revision 764ecf77)
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/vof.h"
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 #define HPTE64_V_HPTE_DIRTY     0x0000000000000040ULL
26 #define SPAPR_ENTRY_POINT       0x100
27 
28 #define SPAPR_TIMEBASE_FREQ     512000000ULL
29 
30 #define TYPE_SPAPR_RTC "spapr-rtc"
31 
32 OBJECT_DECLARE_SIMPLE_TYPE(SpaprRtcState, SPAPR_RTC)
33 
34 struct SpaprRtcState {
35     /*< private >*/
36     DeviceState parent_obj;
37     int64_t ns_offset;
38 };
39 
40 typedef struct SpaprDimmState SpaprDimmState;
41 
42 #define TYPE_SPAPR_MACHINE      "spapr-machine"
43 OBJECT_DECLARE_TYPE(SpaprMachineState, SpaprMachineClass, SPAPR_MACHINE)
44 
45 typedef enum {
46     SPAPR_RESIZE_HPT_DEFAULT = 0,
47     SPAPR_RESIZE_HPT_DISABLED,
48     SPAPR_RESIZE_HPT_ENABLED,
49     SPAPR_RESIZE_HPT_REQUIRED,
50 } SpaprResizeHpt;
51 
52 /**
53  * Capabilities
54  */
55 
56 /* Hardware Transactional Memory */
57 #define SPAPR_CAP_HTM                   0x00
58 /* Vector Scalar Extensions */
59 #define SPAPR_CAP_VSX                   0x01
60 /* Decimal Floating Point */
61 #define SPAPR_CAP_DFP                   0x02
62 /* Cache Flush on Privilege Change */
63 #define SPAPR_CAP_CFPC                  0x03
64 /* Speculation Barrier Bounds Checking */
65 #define SPAPR_CAP_SBBC                  0x04
66 /* Indirect Branch Serialisation */
67 #define SPAPR_CAP_IBS                   0x05
68 /* HPT Maximum Page Size (encoded as a shift) */
69 #define SPAPR_CAP_HPT_MAXPAGESIZE       0x06
70 /* Nested KVM-HV */
71 #define SPAPR_CAP_NESTED_KVM_HV         0x07
72 /* Large Decrementer */
73 #define SPAPR_CAP_LARGE_DECREMENTER     0x08
74 /* Count Cache Flush Assist HW Instruction */
75 #define SPAPR_CAP_CCF_ASSIST            0x09
76 /* Implements PAPR FWNMI option */
77 #define SPAPR_CAP_FWNMI                 0x0A
78 /* Support H_RPT_INVALIDATE */
79 #define SPAPR_CAP_RPT_INVALIDATE        0x0B
80 /* Num Caps */
81 #define SPAPR_CAP_NUM                   (SPAPR_CAP_RPT_INVALIDATE + 1)
82 
83 /*
84  * Capability Values
85  */
86 /* Bool Caps */
87 #define SPAPR_CAP_OFF                   0x00
88 #define SPAPR_CAP_ON                    0x01
89 
90 /* Custom Caps */
91 
92 /* Generic */
93 #define SPAPR_CAP_BROKEN                0x00
94 #define SPAPR_CAP_WORKAROUND            0x01
95 #define SPAPR_CAP_FIXED                 0x02
96 /* SPAPR_CAP_IBS (cap-ibs) */
97 #define SPAPR_CAP_FIXED_IBS             0x02
98 #define SPAPR_CAP_FIXED_CCD             0x03
99 #define SPAPR_CAP_FIXED_NA              0x10 /* Lets leave a bit of a gap... */
100 
101 #define FDT_MAX_SIZE                    0x200000
102 
103 /* Max number of GPUs per system */
104 #define NVGPU_MAX_NUM              6
105 
106 /* Max number of NUMA nodes */
107 #define NUMA_NODES_MAX_NUM         (MAX_NODES + NVGPU_MAX_NUM)
108 
109 /*
110  * NUMA FORM1 macros. FORM1_DIST_REF_POINTS was taken from
111  * MAX_DISTANCE_REF_POINTS in arch/powerpc/mm/numa.h from Linux
112  * kernel source. It represents the amount of associativity domains
113  * for non-CPU resources.
114  *
115  * FORM1_NUMA_ASSOC_SIZE is the base array size of an ibm,associativity
116  * array for any non-CPU resource.
117  */
118 #define FORM1_DIST_REF_POINTS            4
119 #define FORM1_NUMA_ASSOC_SIZE            (FORM1_DIST_REF_POINTS + 1)
120 
121 /*
122  * FORM2 NUMA affinity has a single associativity domain, giving
123  * us a assoc size of 2.
124  */
125 #define FORM2_DIST_REF_POINTS            1
126 #define FORM2_NUMA_ASSOC_SIZE            (FORM2_DIST_REF_POINTS + 1)
127 
128 typedef struct SpaprCapabilities SpaprCapabilities;
129 struct SpaprCapabilities {
130     uint8_t caps[SPAPR_CAP_NUM];
131 };
132 
133 /**
134  * SpaprMachineClass:
135  */
136 struct SpaprMachineClass {
137     /*< private >*/
138     MachineClass parent_class;
139 
140     /*< public >*/
141     bool dr_lmb_enabled;       /* enable dynamic-reconfig/hotplug of LMBs */
142     bool dr_phb_enabled;       /* enable dynamic-reconfig/hotplug of PHBs */
143     bool update_dt_enabled;    /* enable KVMPPC_H_UPDATE_DT */
144     bool use_ohci_by_default;  /* use USB-OHCI instead of XHCI */
145     bool pre_2_10_has_unused_icps;
146     bool legacy_irq_allocation;
147     uint32_t nr_xirqs;
148     bool broken_host_serial_model; /* present real host info to the guest */
149     bool pre_4_1_migration; /* don't migrate hpt-max-page-size */
150     bool linux_pci_probe;
151     bool smp_threads_vsmt; /* set VSMT to smp_threads by default */
152     hwaddr rma_limit;          /* clamp the RMA to this size */
153     bool pre_5_1_assoc_refpoints;
154     bool pre_5_2_numa_associativity;
155     bool pre_6_2_numa_affinity;
156 
157     bool (*phb_placement)(SpaprMachineState *spapr, uint32_t index,
158                           uint64_t *buid, hwaddr *pio,
159                           hwaddr *mmio32, hwaddr *mmio64,
160                           unsigned n_dma, uint32_t *liobns, hwaddr *nv2gpa,
161                           hwaddr *nv2atsd, Error **errp);
162     SpaprResizeHpt resize_hpt_default;
163     SpaprCapabilities default_caps;
164     SpaprIrq *irq;
165 };
166 
167 /**
168  * SpaprMachineState:
169  */
170 struct SpaprMachineState {
171     /*< private >*/
172     MachineState parent_obj;
173 
174     struct SpaprVioBus *vio_bus;
175     QLIST_HEAD(, SpaprPhbState) phbs;
176     struct SpaprNvram *nvram;
177     SpaprRtcState rtc;
178 
179     SpaprResizeHpt resize_hpt;
180     void *htab;
181     uint32_t htab_shift;
182     uint64_t patb_entry; /* Process tbl registed in H_REGISTER_PROC_TBL */
183     SpaprPendingHpt *pending_hpt; /* in-progress resize */
184 
185     hwaddr rma_size;
186     uint32_t fdt_size;
187     uint32_t fdt_initial_size;
188     void *fdt_blob;
189     long kernel_size;
190     bool kernel_le;
191     uint64_t kernel_addr;
192     uint32_t initrd_base;
193     long initrd_size;
194     Vof *vof;
195     uint64_t rtc_offset; /* Now used only during incoming migration */
196     struct PPCTimebase tb;
197     bool has_graphics;
198     uint32_t vsmt;       /* Virtual SMT mode (KVM's "core stride") */
199 
200     Notifier epow_notifier;
201     QTAILQ_HEAD(, SpaprEventLogEntry) pending_events;
202     bool use_hotplug_event_source;
203     SpaprEventSource *event_sources;
204 
205     /* ibm,client-architecture-support option negotiation */
206     bool cas_pre_isa3_guest;
207     SpaprOptionVector *ov5;         /* QEMU-supported option vectors */
208     SpaprOptionVector *ov5_cas;     /* negotiated (via CAS) option vectors */
209     uint32_t max_compat_pvr;
210 
211     /* Migration state */
212     int htab_save_index;
213     bool htab_first_pass;
214     int htab_fd;
215 
216     /* Pending DIMM unplug cache. It is populated when a LMB
217      * unplug starts. It can be regenerated if a migration
218      * occurs during the unplug process. */
219     QTAILQ_HEAD(, SpaprDimmState) pending_dimm_unplugs;
220 
221     /* State related to FWNMI option */
222 
223     /* System Reset and Machine Check Notification Routine addresses
224      * registered by "ibm,nmi-register" RTAS call.
225      */
226     target_ulong fwnmi_system_reset_addr;
227     target_ulong fwnmi_machine_check_addr;
228 
229     /* Machine Check FWNMI synchronization, fwnmi_machine_check_interlock is
230      * set to -1 if a FWNMI machine check is not in progress, else is set to
231      * the CPU that was delivered the machine check, and is set back to -1
232      * when that CPU makes an "ibm,nmi-interlock" RTAS call. The cond is used
233      * to synchronize other CPUs.
234      */
235     int fwnmi_machine_check_interlock;
236     QemuCond fwnmi_machine_check_interlock_cond;
237 
238     /* Set by -boot */
239     char *boot_device;
240 
241     /*< public >*/
242     char *kvm_type;
243     char *host_model;
244     char *host_serial;
245 
246     int32_t irq_map_nr;
247     unsigned long *irq_map;
248     SpaprIrq *irq;
249     qemu_irq *qirqs;
250     SpaprInterruptController *active_intc;
251     ICSState *ics;
252     SpaprXive *xive;
253 
254     bool cmd_line_caps[SPAPR_CAP_NUM];
255     SpaprCapabilities def, eff, mig;
256 
257     unsigned gpu_numa_id;
258     SpaprTpmProxy *tpm_proxy;
259 
260     uint32_t FORM1_assoc_array[NUMA_NODES_MAX_NUM][FORM1_NUMA_ASSOC_SIZE];
261     uint32_t FORM2_assoc_array[NUMA_NODES_MAX_NUM][FORM2_NUMA_ASSOC_SIZE];
262 
263     Error *fwnmi_migration_blocker;
264 };
265 
266 #define H_SUCCESS         0
267 #define H_BUSY            1        /* Hardware busy -- retry later */
268 #define H_CLOSED          2        /* Resource closed */
269 #define H_NOT_AVAILABLE   3
270 #define H_CONSTRAINED     4        /* Resource request constrained to max allowed */
271 #define H_PARTIAL         5
272 #define H_IN_PROGRESS     14       /* Kind of like busy */
273 #define H_PAGE_REGISTERED 15
274 #define H_PARTIAL_STORE   16
275 #define H_PENDING         17       /* returned from H_POLL_PENDING */
276 #define H_CONTINUE        18       /* Returned from H_Join on success */
277 #define H_LONG_BUSY_START_RANGE         9900  /* Start of long busy range */
278 #define H_LONG_BUSY_ORDER_1_MSEC        9900  /* Long busy, hint that 1msec \
279                                                  is a good time to retry */
280 #define H_LONG_BUSY_ORDER_10_MSEC       9901  /* Long busy, hint that 10msec \
281                                                  is a good time to retry */
282 #define H_LONG_BUSY_ORDER_100_MSEC      9902  /* Long busy, hint that 100msec \
283                                                  is a good time to retry */
284 #define H_LONG_BUSY_ORDER_1_SEC         9903  /* Long busy, hint that 1sec \
285                                                  is a good time to retry */
286 #define H_LONG_BUSY_ORDER_10_SEC        9904  /* Long busy, hint that 10sec \
287                                                  is a good time to retry */
288 #define H_LONG_BUSY_ORDER_100_SEC       9905  /* Long busy, hint that 100sec \
289                                                  is a good time to retry */
290 #define H_LONG_BUSY_END_RANGE           9905  /* End of long busy range */
291 #define H_HARDWARE        -1       /* Hardware error */
292 #define H_FUNCTION        -2       /* Function not supported */
293 #define H_PRIVILEGE       -3       /* Caller not privileged */
294 #define H_PARAMETER       -4       /* Parameter invalid, out-of-range or conflicting */
295 #define H_BAD_MODE        -5       /* Illegal msr value */
296 #define H_PTEG_FULL       -6       /* PTEG is full */
297 #define H_NOT_FOUND       -7       /* PTE was not found" */
298 #define H_RESERVED_DABR   -8       /* DABR address is reserved by the hypervisor on this processor" */
299 #define H_NO_MEM          -9
300 #define H_AUTHORITY       -10
301 #define H_PERMISSION      -11
302 #define H_DROPPED         -12
303 #define H_SOURCE_PARM     -13
304 #define H_DEST_PARM       -14
305 #define H_REMOTE_PARM     -15
306 #define H_RESOURCE        -16
307 #define H_ADAPTER_PARM    -17
308 #define H_RH_PARM         -18
309 #define H_RCQ_PARM        -19
310 #define H_SCQ_PARM        -20
311 #define H_EQ_PARM         -21
312 #define H_RT_PARM         -22
313 #define H_ST_PARM         -23
314 #define H_SIGT_PARM       -24
315 #define H_TOKEN_PARM      -25
316 #define H_MLENGTH_PARM    -27
317 #define H_MEM_PARM        -28
318 #define H_MEM_ACCESS_PARM -29
319 #define H_ATTR_PARM       -30
320 #define H_PORT_PARM       -31
321 #define H_MCG_PARM        -32
322 #define H_VL_PARM         -33
323 #define H_TSIZE_PARM      -34
324 #define H_TRACE_PARM      -35
325 
326 #define H_MASK_PARM       -37
327 #define H_MCG_FULL        -38
328 #define H_ALIAS_EXIST     -39
329 #define H_P_COUNTER       -40
330 #define H_TABLE_FULL      -41
331 #define H_ALT_TABLE       -42
332 #define H_MR_CONDITION    -43
333 #define H_NOT_ENOUGH_RESOURCES -44
334 #define H_R_STATE         -45
335 #define H_RESCINDEND      -46
336 #define H_P2              -55
337 #define H_P3              -56
338 #define H_P4              -57
339 #define H_P5              -58
340 #define H_P6              -59
341 #define H_P7              -60
342 #define H_P8              -61
343 #define H_P9              -62
344 #define H_OVERLAP         -68
345 #define H_UNSUPPORTED_FLAG -256
346 #define H_MULTI_THREADS_ACTIVE -9005
347 
348 
349 /* Long Busy is a condition that can be returned by the firmware
350  * when a call cannot be completed now, but the identical call
351  * should be retried later.  This prevents calls blocking in the
352  * firmware for long periods of time.  Annoyingly the firmware can return
353  * a range of return codes, hinting at how long we should wait before
354  * retrying.  If you don't care for the hint, the macro below is a good
355  * way to check for the long_busy return codes
356  */
357 #define H_IS_LONG_BUSY(x)  ((x >= H_LONG_BUSY_START_RANGE) \
358                             && (x <= H_LONG_BUSY_END_RANGE))
359 
360 /* Flags */
361 #define H_LARGE_PAGE      (1ULL<<(63-16))
362 #define H_EXACT           (1ULL<<(63-24))       /* Use exact PTE or return H_PTEG_FULL */
363 #define H_R_XLATE         (1ULL<<(63-25))       /* include a valid logical page num in the pte if the valid bit is set */
364 #define H_READ_4          (1ULL<<(63-26))       /* Return 4 PTEs */
365 #define H_PAGE_STATE_CHANGE (1ULL<<(63-28))
366 #define H_PAGE_UNUSED     ((1ULL<<(63-29)) | (1ULL<<(63-30)))
367 #define H_PAGE_SET_UNUSED (H_PAGE_STATE_CHANGE | H_PAGE_UNUSED)
368 #define H_PAGE_SET_LOANED (H_PAGE_SET_UNUSED | (1ULL<<(63-31)))
369 #define H_PAGE_SET_ACTIVE H_PAGE_STATE_CHANGE
370 #define H_AVPN            (1ULL<<(63-32))       /* An avpn is provided as a sanity test */
371 #define H_ANDCOND         (1ULL<<(63-33))
372 #define H_ICACHE_INVALIDATE (1ULL<<(63-40))     /* icbi, etc.  (ignored for IO pages) */
373 #define H_ICACHE_SYNCHRONIZE (1ULL<<(63-41))    /* dcbst, icbi, etc (ignored for IO pages */
374 #define H_ZERO_PAGE       (1ULL<<(63-48))       /* zero the page before mapping (ignored for IO pages) */
375 #define H_COPY_PAGE       (1ULL<<(63-49))
376 #define H_N               (1ULL<<(63-61))
377 #define H_PP1             (1ULL<<(63-62))
378 #define H_PP2             (1ULL<<(63-63))
379 
380 /* Values for 2nd argument to H_SET_MODE */
381 #define H_SET_MODE_RESOURCE_SET_CIABR           1
382 #define H_SET_MODE_RESOURCE_SET_DAWR0           2
383 #define H_SET_MODE_RESOURCE_ADDR_TRANS_MODE     3
384 #define H_SET_MODE_RESOURCE_LE                  4
385 
386 /* Flags for H_SET_MODE_RESOURCE_LE */
387 #define H_SET_MODE_ENDIAN_BIG    0
388 #define H_SET_MODE_ENDIAN_LITTLE 1
389 
390 /* VASI States */
391 #define H_VASI_INVALID    0
392 #define H_VASI_ENABLED    1
393 #define H_VASI_ABORTED    2
394 #define H_VASI_SUSPENDING 3
395 #define H_VASI_SUSPENDED  4
396 #define H_VASI_RESUMED    5
397 #define H_VASI_COMPLETED  6
398 
399 /* DABRX flags */
400 #define H_DABRX_HYPERVISOR (1ULL<<(63-61))
401 #define H_DABRX_KERNEL     (1ULL<<(63-62))
402 #define H_DABRX_USER       (1ULL<<(63-63))
403 
404 /* Values for KVM_PPC_GET_CPU_CHAR & H_GET_CPU_CHARACTERISTICS */
405 #define H_CPU_CHAR_SPEC_BAR_ORI31               PPC_BIT(0)
406 #define H_CPU_CHAR_BCCTRL_SERIALISED            PPC_BIT(1)
407 #define H_CPU_CHAR_L1D_FLUSH_ORI30              PPC_BIT(2)
408 #define H_CPU_CHAR_L1D_FLUSH_TRIG2              PPC_BIT(3)
409 #define H_CPU_CHAR_L1D_THREAD_PRIV              PPC_BIT(4)
410 #define H_CPU_CHAR_HON_BRANCH_HINTS             PPC_BIT(5)
411 #define H_CPU_CHAR_THR_RECONF_TRIG              PPC_BIT(6)
412 #define H_CPU_CHAR_CACHE_COUNT_DIS              PPC_BIT(7)
413 #define H_CPU_CHAR_BCCTR_FLUSH_ASSIST           PPC_BIT(9)
414 
415 #define H_CPU_BEHAV_FAVOUR_SECURITY             PPC_BIT(0)
416 #define H_CPU_BEHAV_L1D_FLUSH_PR                PPC_BIT(1)
417 #define H_CPU_BEHAV_BNDS_CHK_SPEC_BAR           PPC_BIT(2)
418 #define H_CPU_BEHAV_FLUSH_COUNT_CACHE           PPC_BIT(5)
419 #define H_CPU_BEHAV_NO_L1D_FLUSH_ENTRY          PPC_BIT(7)
420 #define H_CPU_BEHAV_NO_L1D_FLUSH_UACCESS        PPC_BIT(8)
421 
422 /* Each control block has to be on a 4K boundary */
423 #define H_CB_ALIGNMENT     4096
424 
425 /* pSeries hypervisor opcodes */
426 #define H_REMOVE                0x04
427 #define H_ENTER                 0x08
428 #define H_READ                  0x0c
429 #define H_CLEAR_MOD             0x10
430 #define H_CLEAR_REF             0x14
431 #define H_PROTECT               0x18
432 #define H_GET_TCE               0x1c
433 #define H_PUT_TCE               0x20
434 #define H_SET_SPRG0             0x24
435 #define H_SET_DABR              0x28
436 #define H_PAGE_INIT             0x2c
437 #define H_SET_ASR               0x30
438 #define H_ASR_ON                0x34
439 #define H_ASR_OFF               0x38
440 #define H_LOGICAL_CI_LOAD       0x3c
441 #define H_LOGICAL_CI_STORE      0x40
442 #define H_LOGICAL_CACHE_LOAD    0x44
443 #define H_LOGICAL_CACHE_STORE   0x48
444 #define H_LOGICAL_ICBI          0x4c
445 #define H_LOGICAL_DCBF          0x50
446 #define H_GET_TERM_CHAR         0x54
447 #define H_PUT_TERM_CHAR         0x58
448 #define H_REAL_TO_LOGICAL       0x5c
449 #define H_HYPERVISOR_DATA       0x60
450 #define H_EOI                   0x64
451 #define H_CPPR                  0x68
452 #define H_IPI                   0x6c
453 #define H_IPOLL                 0x70
454 #define H_XIRR                  0x74
455 #define H_PERFMON               0x7c
456 #define H_MIGRATE_DMA           0x78
457 #define H_REGISTER_VPA          0xDC
458 #define H_CEDE                  0xE0
459 #define H_CONFER                0xE4
460 #define H_PROD                  0xE8
461 #define H_GET_PPP               0xEC
462 #define H_SET_PPP               0xF0
463 #define H_PURR                  0xF4
464 #define H_PIC                   0xF8
465 #define H_REG_CRQ               0xFC
466 #define H_FREE_CRQ              0x100
467 #define H_VIO_SIGNAL            0x104
468 #define H_SEND_CRQ              0x108
469 #define H_COPY_RDMA             0x110
470 #define H_REGISTER_LOGICAL_LAN  0x114
471 #define H_FREE_LOGICAL_LAN      0x118
472 #define H_ADD_LOGICAL_LAN_BUFFER 0x11C
473 #define H_SEND_LOGICAL_LAN      0x120
474 #define H_BULK_REMOVE           0x124
475 #define H_MULTICAST_CTRL        0x130
476 #define H_SET_XDABR             0x134
477 #define H_STUFF_TCE             0x138
478 #define H_PUT_TCE_INDIRECT      0x13C
479 #define H_CHANGE_LOGICAL_LAN_MAC 0x14C
480 #define H_VTERM_PARTNER_INFO    0x150
481 #define H_REGISTER_VTERM        0x154
482 #define H_FREE_VTERM            0x158
483 #define H_RESET_EVENTS          0x15C
484 #define H_ALLOC_RESOURCE        0x160
485 #define H_FREE_RESOURCE         0x164
486 #define H_MODIFY_QP             0x168
487 #define H_QUERY_QP              0x16C
488 #define H_REREGISTER_PMR        0x170
489 #define H_REGISTER_SMR          0x174
490 #define H_QUERY_MR              0x178
491 #define H_QUERY_MW              0x17C
492 #define H_QUERY_HCA             0x180
493 #define H_QUERY_PORT            0x184
494 #define H_MODIFY_PORT           0x188
495 #define H_DEFINE_AQP1           0x18C
496 #define H_GET_TRACE_BUFFER      0x190
497 #define H_DEFINE_AQP0           0x194
498 #define H_RESIZE_MR             0x198
499 #define H_ATTACH_MCQP           0x19C
500 #define H_DETACH_MCQP           0x1A0
501 #define H_CREATE_RPT            0x1A4
502 #define H_REMOVE_RPT            0x1A8
503 #define H_REGISTER_RPAGES       0x1AC
504 #define H_DISABLE_AND_GETC      0x1B0
505 #define H_ERROR_DATA            0x1B4
506 #define H_GET_HCA_INFO          0x1B8
507 #define H_GET_PERF_COUNT        0x1BC
508 #define H_MANAGE_TRACE          0x1C0
509 #define H_GET_CPU_CHARACTERISTICS 0x1C8
510 #define H_FREE_LOGICAL_LAN_BUFFER 0x1D4
511 #define H_QUERY_INT_STATE       0x1E4
512 #define H_POLL_PENDING          0x1D8
513 #define H_ILLAN_ATTRIBUTES      0x244
514 #define H_MODIFY_HEA_QP         0x250
515 #define H_QUERY_HEA_QP          0x254
516 #define H_QUERY_HEA             0x258
517 #define H_QUERY_HEA_PORT        0x25C
518 #define H_MODIFY_HEA_PORT       0x260
519 #define H_REG_BCMC              0x264
520 #define H_DEREG_BCMC            0x268
521 #define H_REGISTER_HEA_RPAGES   0x26C
522 #define H_DISABLE_AND_GET_HEA   0x270
523 #define H_GET_HEA_INFO          0x274
524 #define H_ALLOC_HEA_RESOURCE    0x278
525 #define H_ADD_CONN              0x284
526 #define H_DEL_CONN              0x288
527 #define H_JOIN                  0x298
528 #define H_VASI_STATE            0x2A4
529 #define H_ENABLE_CRQ            0x2B0
530 #define H_GET_EM_PARMS          0x2B8
531 #define H_SET_MPP               0x2D0
532 #define H_GET_MPP               0x2D4
533 #define H_HOME_NODE_ASSOCIATIVITY 0x2EC
534 #define H_XIRR_X                0x2FC
535 #define H_RANDOM                0x300
536 #define H_SET_MODE              0x31C
537 #define H_RESIZE_HPT_PREPARE    0x36C
538 #define H_RESIZE_HPT_COMMIT     0x370
539 #define H_CLEAN_SLB             0x374
540 #define H_INVALIDATE_PID        0x378
541 #define H_REGISTER_PROC_TBL     0x37C
542 #define H_SIGNAL_SYS_RESET      0x380
543 
544 #define H_INT_GET_SOURCE_INFO   0x3A8
545 #define H_INT_SET_SOURCE_CONFIG 0x3AC
546 #define H_INT_GET_SOURCE_CONFIG 0x3B0
547 #define H_INT_GET_QUEUE_INFO    0x3B4
548 #define H_INT_SET_QUEUE_CONFIG  0x3B8
549 #define H_INT_GET_QUEUE_CONFIG  0x3BC
550 #define H_INT_SET_OS_REPORTING_LINE 0x3C0
551 #define H_INT_GET_OS_REPORTING_LINE 0x3C4
552 #define H_INT_ESB               0x3C8
553 #define H_INT_SYNC              0x3CC
554 #define H_INT_RESET             0x3D0
555 #define H_SCM_READ_METADATA     0x3E4
556 #define H_SCM_WRITE_METADATA    0x3E8
557 #define H_SCM_BIND_MEM          0x3EC
558 #define H_SCM_UNBIND_MEM        0x3F0
559 #define H_SCM_UNBIND_ALL        0x3FC
560 #define H_SCM_HEALTH            0x400
561 #define H_RPT_INVALIDATE        0x448
562 
563 #define MAX_HCALL_OPCODE        H_RPT_INVALIDATE
564 
565 /* The hcalls above are standardized in PAPR and implemented by pHyp
566  * as well.
567  *
568  * We also need some hcalls which are specific to qemu / KVM-on-POWER.
569  * We put those into the 0xf000-0xfffc range which is reserved by PAPR
570  * for "platform-specific" hcalls.
571  */
572 #define KVMPPC_HCALL_BASE       0xf000
573 #define KVMPPC_H_RTAS           (KVMPPC_HCALL_BASE + 0x0)
574 #define KVMPPC_H_LOGICAL_MEMOP  (KVMPPC_HCALL_BASE + 0x1)
575 /* Client Architecture support */
576 #define KVMPPC_H_CAS            (KVMPPC_HCALL_BASE + 0x2)
577 #define KVMPPC_H_UPDATE_DT      (KVMPPC_HCALL_BASE + 0x3)
578 /* 0x4 was used for KVMPPC_H_UPDATE_PHANDLE in SLOF */
579 #define KVMPPC_H_VOF_CLIENT     (KVMPPC_HCALL_BASE + 0x5)
580 #define KVMPPC_HCALL_MAX        KVMPPC_H_VOF_CLIENT
581 
582 /*
583  * The hcall range 0xEF00 to 0xEF80 is reserved for use in facilitating
584  * Secure VM mode via an Ultravisor / Protected Execution Facility
585  */
586 #define SVM_HCALL_BASE              0xEF00
587 #define SVM_H_TPM_COMM              0xEF10
588 #define SVM_HCALL_MAX               SVM_H_TPM_COMM
589 
590 
591 typedef struct SpaprDeviceTreeUpdateHeader {
592     uint32_t version_id;
593 } SpaprDeviceTreeUpdateHeader;
594 
595 #define hcall_dprintf(fmt, ...) \
596     do { \
597         qemu_log_mask(LOG_GUEST_ERROR, "%s: " fmt, __func__, ## __VA_ARGS__); \
598     } while (0)
599 
600 typedef target_ulong (*spapr_hcall_fn)(PowerPCCPU *cpu, SpaprMachineState *sm,
601                                        target_ulong opcode,
602                                        target_ulong *args);
603 
604 void spapr_register_hypercall(target_ulong opcode, spapr_hcall_fn fn);
605 target_ulong spapr_hypercall(PowerPCCPU *cpu, target_ulong opcode,
606                              target_ulong *args);
607 target_ulong softmmu_resize_hpt_prepare(PowerPCCPU *cpu, SpaprMachineState *spapr,
608                                          target_ulong shift);
609 target_ulong softmmu_resize_hpt_commit(PowerPCCPU *cpu, SpaprMachineState *spapr,
610                                         target_ulong flags, target_ulong shift);
611 bool is_ram_address(SpaprMachineState *spapr, hwaddr addr);
612 void push_sregs_to_kvm_pr(SpaprMachineState *spapr);
613 
614 /* Virtual Processor Area structure constants */
615 #define VPA_MIN_SIZE           640
616 #define VPA_SIZE_OFFSET        0x4
617 #define VPA_SHARED_PROC_OFFSET 0x9
618 #define VPA_SHARED_PROC_VAL    0x2
619 #define VPA_DISPATCH_COUNTER   0x100
620 
621 /* ibm,set-eeh-option */
622 #define RTAS_EEH_DISABLE                 0
623 #define RTAS_EEH_ENABLE                  1
624 #define RTAS_EEH_THAW_IO                 2
625 #define RTAS_EEH_THAW_DMA                3
626 
627 /* ibm,get-config-addr-info2 */
628 #define RTAS_GET_PE_ADDR                 0
629 #define RTAS_GET_PE_MODE                 1
630 #define RTAS_PE_MODE_NONE                0
631 #define RTAS_PE_MODE_NOT_SHARED          1
632 #define RTAS_PE_MODE_SHARED              2
633 
634 /* ibm,read-slot-reset-state2 */
635 #define RTAS_EEH_PE_STATE_NORMAL         0
636 #define RTAS_EEH_PE_STATE_RESET          1
637 #define RTAS_EEH_PE_STATE_STOPPED_IO_DMA 2
638 #define RTAS_EEH_PE_STATE_STOPPED_DMA    4
639 #define RTAS_EEH_PE_STATE_UNAVAIL        5
640 #define RTAS_EEH_NOT_SUPPORT             0
641 #define RTAS_EEH_SUPPORT                 1
642 #define RTAS_EEH_PE_UNAVAIL_INFO         1000
643 #define RTAS_EEH_PE_RECOVER_INFO         0
644 
645 /* ibm,set-slot-reset */
646 #define RTAS_SLOT_RESET_DEACTIVATE       0
647 #define RTAS_SLOT_RESET_HOT              1
648 #define RTAS_SLOT_RESET_FUNDAMENTAL      3
649 
650 /* ibm,slot-error-detail */
651 #define RTAS_SLOT_TEMP_ERR_LOG           1
652 #define RTAS_SLOT_PERM_ERR_LOG           2
653 
654 /* RTAS return codes */
655 #define RTAS_OUT_SUCCESS                        0
656 #define RTAS_OUT_NO_ERRORS_FOUND                1
657 #define RTAS_OUT_HW_ERROR                       -1
658 #define RTAS_OUT_BUSY                           -2
659 #define RTAS_OUT_PARAM_ERROR                    -3
660 #define RTAS_OUT_NOT_SUPPORTED                  -3
661 #define RTAS_OUT_NO_SUCH_INDICATOR              -3
662 #define RTAS_OUT_NOT_AUTHORIZED                 -9002
663 #define RTAS_OUT_SYSPARM_PARAM_ERROR            -9999
664 
665 /* DDW pagesize mask values from ibm,query-pe-dma-window */
666 #define RTAS_DDW_PGSIZE_4K       0x01
667 #define RTAS_DDW_PGSIZE_64K      0x02
668 #define RTAS_DDW_PGSIZE_16M      0x04
669 #define RTAS_DDW_PGSIZE_32M      0x08
670 #define RTAS_DDW_PGSIZE_64M      0x10
671 #define RTAS_DDW_PGSIZE_128M     0x20
672 #define RTAS_DDW_PGSIZE_256M     0x40
673 #define RTAS_DDW_PGSIZE_16G      0x80
674 
675 /* RTAS tokens */
676 #define RTAS_TOKEN_BASE      0x2000
677 
678 #define RTAS_DISPLAY_CHARACTER                  (RTAS_TOKEN_BASE + 0x00)
679 #define RTAS_GET_TIME_OF_DAY                    (RTAS_TOKEN_BASE + 0x01)
680 #define RTAS_SET_TIME_OF_DAY                    (RTAS_TOKEN_BASE + 0x02)
681 #define RTAS_POWER_OFF                          (RTAS_TOKEN_BASE + 0x03)
682 #define RTAS_SYSTEM_REBOOT                      (RTAS_TOKEN_BASE + 0x04)
683 #define RTAS_QUERY_CPU_STOPPED_STATE            (RTAS_TOKEN_BASE + 0x05)
684 #define RTAS_START_CPU                          (RTAS_TOKEN_BASE + 0x06)
685 #define RTAS_STOP_SELF                          (RTAS_TOKEN_BASE + 0x07)
686 #define RTAS_IBM_GET_SYSTEM_PARAMETER           (RTAS_TOKEN_BASE + 0x08)
687 #define RTAS_IBM_SET_SYSTEM_PARAMETER           (RTAS_TOKEN_BASE + 0x09)
688 #define RTAS_IBM_SET_XIVE                       (RTAS_TOKEN_BASE + 0x0A)
689 #define RTAS_IBM_GET_XIVE                       (RTAS_TOKEN_BASE + 0x0B)
690 #define RTAS_IBM_INT_OFF                        (RTAS_TOKEN_BASE + 0x0C)
691 #define RTAS_IBM_INT_ON                         (RTAS_TOKEN_BASE + 0x0D)
692 #define RTAS_CHECK_EXCEPTION                    (RTAS_TOKEN_BASE + 0x0E)
693 #define RTAS_EVENT_SCAN                         (RTAS_TOKEN_BASE + 0x0F)
694 #define RTAS_IBM_SET_TCE_BYPASS                 (RTAS_TOKEN_BASE + 0x10)
695 #define RTAS_QUIESCE                            (RTAS_TOKEN_BASE + 0x11)
696 #define RTAS_NVRAM_FETCH                        (RTAS_TOKEN_BASE + 0x12)
697 #define RTAS_NVRAM_STORE                        (RTAS_TOKEN_BASE + 0x13)
698 #define RTAS_READ_PCI_CONFIG                    (RTAS_TOKEN_BASE + 0x14)
699 #define RTAS_WRITE_PCI_CONFIG                   (RTAS_TOKEN_BASE + 0x15)
700 #define RTAS_IBM_READ_PCI_CONFIG                (RTAS_TOKEN_BASE + 0x16)
701 #define RTAS_IBM_WRITE_PCI_CONFIG               (RTAS_TOKEN_BASE + 0x17)
702 #define RTAS_IBM_QUERY_INTERRUPT_SOURCE_NUMBER  (RTAS_TOKEN_BASE + 0x18)
703 #define RTAS_IBM_CHANGE_MSI                     (RTAS_TOKEN_BASE + 0x19)
704 #define RTAS_SET_INDICATOR                      (RTAS_TOKEN_BASE + 0x1A)
705 #define RTAS_SET_POWER_LEVEL                    (RTAS_TOKEN_BASE + 0x1B)
706 #define RTAS_GET_POWER_LEVEL                    (RTAS_TOKEN_BASE + 0x1C)
707 #define RTAS_GET_SENSOR_STATE                   (RTAS_TOKEN_BASE + 0x1D)
708 #define RTAS_IBM_CONFIGURE_CONNECTOR            (RTAS_TOKEN_BASE + 0x1E)
709 #define RTAS_IBM_OS_TERM                        (RTAS_TOKEN_BASE + 0x1F)
710 #define RTAS_IBM_SET_EEH_OPTION                 (RTAS_TOKEN_BASE + 0x20)
711 #define RTAS_IBM_GET_CONFIG_ADDR_INFO2          (RTAS_TOKEN_BASE + 0x21)
712 #define RTAS_IBM_READ_SLOT_RESET_STATE2         (RTAS_TOKEN_BASE + 0x22)
713 #define RTAS_IBM_SET_SLOT_RESET                 (RTAS_TOKEN_BASE + 0x23)
714 #define RTAS_IBM_CONFIGURE_PE                   (RTAS_TOKEN_BASE + 0x24)
715 #define RTAS_IBM_SLOT_ERROR_DETAIL              (RTAS_TOKEN_BASE + 0x25)
716 #define RTAS_IBM_QUERY_PE_DMA_WINDOW            (RTAS_TOKEN_BASE + 0x26)
717 #define RTAS_IBM_CREATE_PE_DMA_WINDOW           (RTAS_TOKEN_BASE + 0x27)
718 #define RTAS_IBM_REMOVE_PE_DMA_WINDOW           (RTAS_TOKEN_BASE + 0x28)
719 #define RTAS_IBM_RESET_PE_DMA_WINDOW            (RTAS_TOKEN_BASE + 0x29)
720 #define RTAS_IBM_SUSPEND_ME                     (RTAS_TOKEN_BASE + 0x2A)
721 #define RTAS_IBM_NMI_REGISTER                   (RTAS_TOKEN_BASE + 0x2B)
722 #define RTAS_IBM_NMI_INTERLOCK                  (RTAS_TOKEN_BASE + 0x2C)
723 
724 #define RTAS_TOKEN_MAX                          (RTAS_TOKEN_BASE + 0x2D)
725 
726 /* RTAS ibm,get-system-parameter token values */
727 #define RTAS_SYSPARM_SPLPAR_CHARACTERISTICS      20
728 #define RTAS_SYSPARM_DIAGNOSTICS_RUN_MODE        42
729 #define RTAS_SYSPARM_UUID                        48
730 
731 /* RTAS indicator/sensor types
732  *
733  * as defined by PAPR+ 2.7 7.3.5.4, Table 41
734  *
735  * NOTE: currently only DR-related sensors are implemented here
736  */
737 #define RTAS_SENSOR_TYPE_ISOLATION_STATE        9001
738 #define RTAS_SENSOR_TYPE_DR                     9002
739 #define RTAS_SENSOR_TYPE_ALLOCATION_STATE       9003
740 #define RTAS_SENSOR_TYPE_ENTITY_SENSE RTAS_SENSOR_TYPE_ALLOCATION_STATE
741 
742 /* Possible values for the platform-processor-diagnostics-run-mode parameter
743  * of the RTAS ibm,get-system-parameter call.
744  */
745 #define DIAGNOSTICS_RUN_MODE_DISABLED  0
746 #define DIAGNOSTICS_RUN_MODE_STAGGERED 1
747 #define DIAGNOSTICS_RUN_MODE_IMMEDIATE 2
748 #define DIAGNOSTICS_RUN_MODE_PERIODIC  3
749 
750 static inline uint64_t ppc64_phys_to_real(uint64_t addr)
751 {
752     return addr & ~0xF000000000000000ULL;
753 }
754 
755 static inline uint32_t rtas_ld(target_ulong phys, int n)
756 {
757     return ldl_be_phys(&address_space_memory, ppc64_phys_to_real(phys + 4*n));
758 }
759 
760 static inline uint64_t rtas_ldq(target_ulong phys, int n)
761 {
762     return (uint64_t)rtas_ld(phys, n) << 32 | rtas_ld(phys, n + 1);
763 }
764 
765 static inline void rtas_st(target_ulong phys, int n, uint32_t val)
766 {
767     stl_be_phys(&address_space_memory, ppc64_phys_to_real(phys + 4*n), val);
768 }
769 
770 typedef void (*spapr_rtas_fn)(PowerPCCPU *cpu, SpaprMachineState *sm,
771                               uint32_t token,
772                               uint32_t nargs, target_ulong args,
773                               uint32_t nret, target_ulong rets);
774 void spapr_rtas_register(int token, const char *name, spapr_rtas_fn fn);
775 target_ulong spapr_rtas_call(PowerPCCPU *cpu, SpaprMachineState *sm,
776                              uint32_t token, uint32_t nargs, target_ulong args,
777                              uint32_t nret, target_ulong rets);
778 void spapr_dt_rtas_tokens(void *fdt, int rtas);
779 void spapr_load_rtas(SpaprMachineState *spapr, void *fdt, hwaddr addr);
780 
781 #define SPAPR_TCE_PAGE_SHIFT   12
782 #define SPAPR_TCE_PAGE_SIZE    (1ULL << SPAPR_TCE_PAGE_SHIFT)
783 #define SPAPR_TCE_PAGE_MASK    (SPAPR_TCE_PAGE_SIZE - 1)
784 
785 #define SPAPR_VIO_BASE_LIOBN    0x00000000
786 #define SPAPR_VIO_LIOBN(reg)    (0x00000000 | (reg))
787 #define SPAPR_PCI_LIOBN(phb_index, window_num) \
788     (0x80000000 | ((phb_index) << 8) | (window_num))
789 #define SPAPR_IS_PCI_LIOBN(liobn)   (!!((liobn) & 0x80000000))
790 #define SPAPR_PCI_DMA_WINDOW_NUM(liobn) ((liobn) & 0xff)
791 
792 #define RTAS_MIN_SIZE           20 /* hv_rtas_size in SLOF */
793 #define RTAS_ERROR_LOG_MAX      2048
794 
795 /* Offset from rtas-base where error log is placed */
796 #define RTAS_ERROR_LOG_OFFSET       0x30
797 
798 #define RTAS_EVENT_SCAN_RATE    1
799 
800 /* This helper should be used to encode interrupt specifiers when the related
801  * "interrupt-controller" node has its "#interrupt-cells" property set to 2 (ie,
802  * VIO devices, RTAS event sources and PHBs).
803  */
804 static inline void spapr_dt_irq(uint32_t *intspec, int irq, bool is_lsi)
805 {
806     intspec[0] = cpu_to_be32(irq);
807     intspec[1] = is_lsi ? cpu_to_be32(1) : 0;
808 }
809 
810 
811 #define TYPE_SPAPR_TCE_TABLE "spapr-tce-table"
812 OBJECT_DECLARE_SIMPLE_TYPE(SpaprTceTable, SPAPR_TCE_TABLE)
813 
814 #define TYPE_SPAPR_IOMMU_MEMORY_REGION "spapr-iommu-memory-region"
815 DECLARE_INSTANCE_CHECKER(IOMMUMemoryRegion, SPAPR_IOMMU_MEMORY_REGION,
816                          TYPE_SPAPR_IOMMU_MEMORY_REGION)
817 
818 struct SpaprTceTable {
819     DeviceState parent;
820     uint32_t liobn;
821     uint32_t nb_table;
822     uint64_t bus_offset;
823     uint32_t page_shift;
824     uint64_t *table;
825     uint32_t mig_nb_table;
826     uint64_t *mig_table;
827     bool bypass;
828     bool need_vfio;
829     bool skipping_replay;
830     int fd;
831     MemoryRegion root;
832     IOMMUMemoryRegion iommu;
833     struct SpaprVioDevice *vdev; /* for @bypass migration compatibility only */
834     QLIST_ENTRY(SpaprTceTable) list;
835 };
836 
837 SpaprTceTable *spapr_tce_find_by_liobn(target_ulong liobn);
838 
839 struct SpaprEventLogEntry {
840     uint32_t summary;
841     uint32_t extended_length;
842     void *extended_log;
843     QTAILQ_ENTRY(SpaprEventLogEntry) next;
844 };
845 
846 void *spapr_build_fdt(SpaprMachineState *spapr, bool reset, size_t space);
847 void spapr_events_init(SpaprMachineState *sm);
848 void spapr_dt_events(SpaprMachineState *sm, void *fdt);
849 void close_htab_fd(SpaprMachineState *spapr);
850 void spapr_setup_hpt(SpaprMachineState *spapr);
851 void spapr_free_hpt(SpaprMachineState *spapr);
852 void spapr_check_mmu_mode(bool guest_radix);
853 SpaprTceTable *spapr_tce_new_table(DeviceState *owner, uint32_t liobn);
854 void spapr_tce_table_enable(SpaprTceTable *tcet,
855                             uint32_t page_shift, uint64_t bus_offset,
856                             uint32_t nb_table);
857 void spapr_tce_table_disable(SpaprTceTable *tcet);
858 void spapr_tce_set_need_vfio(SpaprTceTable *tcet, bool need_vfio);
859 
860 MemoryRegion *spapr_tce_get_iommu(SpaprTceTable *tcet);
861 int spapr_dma_dt(void *fdt, int node_off, const char *propname,
862                  uint32_t liobn, uint64_t window, uint32_t size);
863 int spapr_tcet_dma_dt(void *fdt, int node_off, const char *propname,
864                       SpaprTceTable *tcet);
865 void spapr_pci_switch_vga(SpaprMachineState *spapr, bool big_endian);
866 void spapr_hotplug_req_add_by_index(SpaprDrc *drc);
867 void spapr_hotplug_req_remove_by_index(SpaprDrc *drc);
868 void spapr_hotplug_req_add_by_count(SpaprDrcType drc_type,
869                                        uint32_t count);
870 void spapr_hotplug_req_remove_by_count(SpaprDrcType drc_type,
871                                           uint32_t count);
872 void spapr_hotplug_req_add_by_count_indexed(SpaprDrcType drc_type,
873                                             uint32_t count, uint32_t index);
874 void spapr_hotplug_req_remove_by_count_indexed(SpaprDrcType drc_type,
875                                                uint32_t count, uint32_t index);
876 int spapr_hpt_shift_for_ramsize(uint64_t ramsize);
877 int spapr_reallocate_hpt(SpaprMachineState *spapr, int shift, Error **errp);
878 void spapr_clear_pending_events(SpaprMachineState *spapr);
879 void spapr_clear_pending_hotplug_events(SpaprMachineState *spapr);
880 void spapr_memory_unplug_rollback(SpaprMachineState *spapr, DeviceState *dev);
881 int spapr_max_server_number(SpaprMachineState *spapr);
882 void spapr_store_hpte(PowerPCCPU *cpu, hwaddr ptex,
883                       uint64_t pte0, uint64_t pte1);
884 void spapr_mce_req_event(PowerPCCPU *cpu, bool recovered);
885 
886 /* DRC callbacks. */
887 void spapr_core_release(DeviceState *dev);
888 int spapr_core_dt_populate(SpaprDrc *drc, SpaprMachineState *spapr,
889                            void *fdt, int *fdt_start_offset, Error **errp);
890 void spapr_lmb_release(DeviceState *dev);
891 int spapr_lmb_dt_populate(SpaprDrc *drc, SpaprMachineState *spapr,
892                           void *fdt, int *fdt_start_offset, Error **errp);
893 void spapr_phb_release(DeviceState *dev);
894 int spapr_phb_dt_populate(SpaprDrc *drc, SpaprMachineState *spapr,
895                           void *fdt, int *fdt_start_offset, Error **errp);
896 
897 void spapr_rtc_read(SpaprRtcState *rtc, struct tm *tm, uint32_t *ns);
898 int spapr_rtc_import_offset(SpaprRtcState *rtc, int64_t legacy_offset);
899 
900 #define TYPE_SPAPR_RNG "spapr-rng"
901 
902 #define SPAPR_MEMORY_BLOCK_SIZE ((hwaddr)1 << 28) /* 256MB */
903 
904 /*
905  * This defines the maximum number of DIMM slots we can have for sPAPR
906  * guest. This is not defined by sPAPR but we are defining it to 32 slots
907  * based on default number of slots provided by PowerPC kernel.
908  */
909 #define SPAPR_MAX_RAM_SLOTS     32
910 
911 /* 1GB alignment for hotplug memory region */
912 #define SPAPR_DEVICE_MEM_ALIGN (1 * GiB)
913 
914 /*
915  * Number of 32 bit words in each LMB list entry in ibm,dynamic-memory
916  * property under ibm,dynamic-reconfiguration-memory node.
917  */
918 #define SPAPR_DR_LMB_LIST_ENTRY_SIZE 6
919 
920 /*
921  * Defines for flag value in ibm,dynamic-memory property under
922  * ibm,dynamic-reconfiguration-memory node.
923  */
924 #define SPAPR_LMB_FLAGS_ASSIGNED 0x00000008
925 #define SPAPR_LMB_FLAGS_DRC_INVALID 0x00000020
926 #define SPAPR_LMB_FLAGS_RESERVED 0x00000080
927 #define SPAPR_LMB_FLAGS_HOTREMOVABLE 0x00000100
928 
929 void spapr_do_system_reset_on_cpu(CPUState *cs, run_on_cpu_data arg);
930 
931 #define HTAB_SIZE(spapr)        (1ULL << ((spapr)->htab_shift))
932 
933 int spapr_get_vcpu_id(PowerPCCPU *cpu);
934 bool spapr_set_vcpu_id(PowerPCCPU *cpu, int cpu_index, Error **errp);
935 PowerPCCPU *spapr_find_cpu(int vcpu_id);
936 
937 int spapr_caps_pre_load(void *opaque);
938 int spapr_caps_pre_save(void *opaque);
939 
940 /*
941  * Handling of optional capabilities
942  */
943 extern const VMStateDescription vmstate_spapr_cap_htm;
944 extern const VMStateDescription vmstate_spapr_cap_vsx;
945 extern const VMStateDescription vmstate_spapr_cap_dfp;
946 extern const VMStateDescription vmstate_spapr_cap_cfpc;
947 extern const VMStateDescription vmstate_spapr_cap_sbbc;
948 extern const VMStateDescription vmstate_spapr_cap_ibs;
949 extern const VMStateDescription vmstate_spapr_cap_hpt_maxpagesize;
950 extern const VMStateDescription vmstate_spapr_cap_nested_kvm_hv;
951 extern const VMStateDescription vmstate_spapr_cap_large_decr;
952 extern const VMStateDescription vmstate_spapr_cap_ccf_assist;
953 extern const VMStateDescription vmstate_spapr_cap_fwnmi;
954 extern const VMStateDescription vmstate_spapr_cap_rpt_invalidate;
955 
956 static inline uint8_t spapr_get_cap(SpaprMachineState *spapr, int cap)
957 {
958     return spapr->eff.caps[cap];
959 }
960 
961 void spapr_caps_init(SpaprMachineState *spapr);
962 void spapr_caps_apply(SpaprMachineState *spapr);
963 void spapr_caps_cpu_apply(SpaprMachineState *spapr, PowerPCCPU *cpu);
964 void spapr_caps_add_properties(SpaprMachineClass *smc);
965 int spapr_caps_post_migration(SpaprMachineState *spapr);
966 
967 bool spapr_check_pagesize(SpaprMachineState *spapr, hwaddr pagesize,
968                           Error **errp);
969 /*
970  * XIVE definitions
971  */
972 #define SPAPR_OV5_XIVE_LEGACY   0x0
973 #define SPAPR_OV5_XIVE_EXPLOIT  0x40
974 #define SPAPR_OV5_XIVE_BOTH     0x80 /* Only to advertise on the platform */
975 
976 void spapr_set_all_lpcrs(target_ulong value, target_ulong mask);
977 hwaddr spapr_get_rtas_addr(void);
978 bool spapr_memory_hot_unplug_supported(SpaprMachineState *spapr);
979 
980 void spapr_vof_reset(SpaprMachineState *spapr, void *fdt, Error **errp);
981 void spapr_vof_quiesce(MachineState *ms);
982 bool spapr_vof_setprop(MachineState *ms, const char *path, const char *propname,
983                        void *val, int vallen);
984 target_ulong spapr_h_vof_client(PowerPCCPU *cpu, SpaprMachineState *spapr,
985                                 target_ulong opcode, target_ulong *args);
986 target_ulong spapr_vof_client_architecture_support(MachineState *ms,
987                                                    CPUState *cs,
988                                                    target_ulong ovec_addr);
989 void spapr_vof_client_dt_finalize(SpaprMachineState *spapr, void *fdt);
990 
991 #endif /* HW_SPAPR_H */
992