xref: /qemu/include/hw/ppc/spapr.h (revision 71c33ef000b690f0b5c40b6f2a2898575b2bf3f9)
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 /* Num Caps */
85 #define SPAPR_CAP_NUM                   (SPAPR_CAP_AIL_MODE_3 + 1)
86 
87 /*
88  * Capability Values
89  */
90 /* Bool Caps */
91 #define SPAPR_CAP_OFF                   0x00
92 #define SPAPR_CAP_ON                    0x01
93 
94 /* Custom Caps */
95 
96 /* Generic */
97 #define SPAPR_CAP_BROKEN                0x00
98 #define SPAPR_CAP_WORKAROUND            0x01
99 #define SPAPR_CAP_FIXED                 0x02
100 /* SPAPR_CAP_IBS (cap-ibs) */
101 #define SPAPR_CAP_FIXED_IBS             0x02
102 #define SPAPR_CAP_FIXED_CCD             0x03
103 #define SPAPR_CAP_FIXED_NA              0x10 /* Lets leave a bit of a gap... */
104 
105 #define FDT_MAX_SIZE                    0x200000
106 
107 /* Max number of NUMA nodes */
108 #define NUMA_NODES_MAX_NUM         (MAX_NODES)
109 
110 /*
111  * NUMA FORM1 macros. FORM1_DIST_REF_POINTS was taken from
112  * MAX_DISTANCE_REF_POINTS in arch/powerpc/mm/numa.h from Linux
113  * kernel source. It represents the amount of associativity domains
114  * for non-CPU resources.
115  *
116  * FORM1_NUMA_ASSOC_SIZE is the base array size of an ibm,associativity
117  * array for any non-CPU resource.
118  */
119 #define FORM1_DIST_REF_POINTS            4
120 #define FORM1_NUMA_ASSOC_SIZE            (FORM1_DIST_REF_POINTS + 1)
121 
122 /*
123  * FORM2 NUMA affinity has a single associativity domain, giving
124  * us a assoc size of 2.
125  */
126 #define FORM2_DIST_REF_POINTS            1
127 #define FORM2_NUMA_ASSOC_SIZE            (FORM2_DIST_REF_POINTS + 1)
128 
129 typedef struct SpaprCapabilities SpaprCapabilities;
130 struct SpaprCapabilities {
131     uint8_t caps[SPAPR_CAP_NUM];
132 };
133 
134 /**
135  * SpaprMachineClass:
136  */
137 struct SpaprMachineClass {
138     /*< private >*/
139     MachineClass parent_class;
140 
141     /*< public >*/
142     bool dr_lmb_enabled;       /* enable dynamic-reconfig/hotplug of LMBs */
143     bool dr_phb_enabled;       /* enable dynamic-reconfig/hotplug of PHBs */
144     bool update_dt_enabled;    /* enable KVMPPC_H_UPDATE_DT */
145     bool use_ohci_by_default;  /* use USB-OHCI instead of XHCI */
146     bool pre_2_10_has_unused_icps;
147     bool legacy_irq_allocation;
148     uint32_t nr_xirqs;
149     bool broken_host_serial_model; /* present real host info to the guest */
150     bool pre_4_1_migration; /* don't migrate hpt-max-page-size */
151     bool linux_pci_probe;
152     bool smp_threads_vsmt; /* set VSMT to smp_threads by default */
153     hwaddr rma_limit;          /* clamp the RMA to this size */
154     bool pre_5_1_assoc_refpoints;
155     bool pre_5_2_numa_associativity;
156     bool pre_6_2_numa_affinity;
157 
158     bool (*phb_placement)(SpaprMachineState *spapr, uint32_t index,
159                           uint64_t *buid, hwaddr *pio,
160                           hwaddr *mmio32, hwaddr *mmio64,
161                           unsigned n_dma, uint32_t *liobns, Error **errp);
162     SpaprResizeHpt resize_hpt_default;
163     SpaprCapabilities default_caps;
164     SpaprIrq *irq;
165 };
166 
167 #define WDT_MAX_WATCHDOGS       4      /* Maximum number of watchdog devices */
168 
169 #define TYPE_SPAPR_WDT "spapr-wdt"
170 OBJECT_DECLARE_SIMPLE_TYPE(SpaprWatchdog, SPAPR_WDT)
171 
172 typedef struct SpaprWatchdog {
173     /*< private >*/
174     DeviceState parent_obj;
175     /*< public >*/
176 
177     QEMUTimer timer;
178     uint8_t action;         /* One of PSERIES_WDTF_ACTION_xxx */
179     uint8_t leave_others;   /* leaveOtherWatchdogsRunningOnTimeout */
180 } SpaprWatchdog;
181 
182 /**
183  * SpaprMachineState:
184  */
185 struct SpaprMachineState {
186     /*< private >*/
187     MachineState parent_obj;
188 
189     struct SpaprVioBus *vio_bus;
190     QLIST_HEAD(, SpaprPhbState) phbs;
191     struct SpaprNvram *nvram;
192     SpaprRtcState rtc;
193 
194     SpaprResizeHpt resize_hpt;
195     void *htab;
196     uint32_t htab_shift;
197     uint64_t patb_entry; /* Process tbl registered in H_REGISTER_PROC_TBL */
198     SpaprPendingHpt *pending_hpt; /* in-progress resize */
199 
200     hwaddr rma_size;
201     uint32_t fdt_size;
202     uint32_t fdt_initial_size;
203     void *fdt_blob;
204     uint8_t fdt_rng_seed[32];
205     long kernel_size;
206     bool kernel_le;
207     uint64_t kernel_addr;
208     uint32_t initrd_base;
209     long initrd_size;
210     Vof *vof;
211     uint64_t rtc_offset; /* Now used only during incoming migration */
212     struct PPCTimebase tb;
213     bool want_stdout_path;
214     uint32_t vsmt;       /* Virtual SMT mode (KVM's "core stride") */
215 
216     /* Nested HV support (TCG only) */
217     SpaprMachineStateNested nested;
218 
219     Notifier epow_notifier;
220     QTAILQ_HEAD(, SpaprEventLogEntry) pending_events;
221     bool use_hotplug_event_source;
222     SpaprEventSource *event_sources;
223 
224     /* ibm,client-architecture-support option negotiation */
225     bool cas_pre_isa3_guest;
226     SpaprOptionVector *ov5;         /* QEMU-supported option vectors */
227     SpaprOptionVector *ov5_cas;     /* negotiated (via CAS) option vectors */
228     uint32_t max_compat_pvr;
229 
230     /* Migration state */
231     int htab_save_index;
232     bool htab_first_pass;
233     int htab_fd;
234 
235     /* Pending DIMM unplug cache. It is populated when a LMB
236      * unplug starts. It can be regenerated if a migration
237      * occurs during the unplug process. */
238     QTAILQ_HEAD(, SpaprDimmState) pending_dimm_unplugs;
239 
240     /* State related to FWNMI option */
241 
242     /* System Reset and Machine Check Notification Routine addresses
243      * registered by "ibm,nmi-register" RTAS call.
244      */
245     target_ulong fwnmi_system_reset_addr;
246     target_ulong fwnmi_machine_check_addr;
247 
248     /* Machine Check FWNMI synchronization, fwnmi_machine_check_interlock is
249      * set to -1 if a FWNMI machine check is not in progress, else is set to
250      * the CPU that was delivered the machine check, and is set back to -1
251      * when that CPU makes an "ibm,nmi-interlock" RTAS call. The cond is used
252      * to synchronize other CPUs.
253      */
254     int fwnmi_machine_check_interlock;
255     QemuCond fwnmi_machine_check_interlock_cond;
256 
257     /* Set by -boot */
258     char *boot_device;
259 
260     /*< public >*/
261     char *kvm_type;
262     char *host_model;
263     char *host_serial;
264 
265     int32_t irq_map_nr;
266     unsigned long *irq_map;
267     SpaprIrq *irq;
268     qemu_irq *qirqs;
269     SpaprInterruptController *active_intc;
270     ICSState *ics;
271     SpaprXive *xive;
272 
273     bool cmd_line_caps[SPAPR_CAP_NUM];
274     SpaprCapabilities def, eff, mig;
275 
276     SpaprTpmProxy *tpm_proxy;
277 
278     uint32_t FORM1_assoc_array[NUMA_NODES_MAX_NUM][FORM1_NUMA_ASSOC_SIZE];
279     uint32_t FORM2_assoc_array[NUMA_NODES_MAX_NUM][FORM2_NUMA_ASSOC_SIZE];
280 
281     Error *fwnmi_migration_blocker;
282 
283     SpaprWatchdog wds[WDT_MAX_WATCHDOGS];
284 };
285 
286 #define H_SUCCESS         0
287 #define H_BUSY            1        /* Hardware busy -- retry later */
288 #define H_CLOSED          2        /* Resource closed */
289 #define H_NOT_AVAILABLE   3
290 #define H_CONSTRAINED     4        /* Resource request constrained to max allowed */
291 #define H_PARTIAL         5
292 #define H_IN_PROGRESS     14       /* Kind of like busy */
293 #define H_PAGE_REGISTERED 15
294 #define H_PARTIAL_STORE   16
295 #define H_PENDING         17       /* returned from H_POLL_PENDING */
296 #define H_CONTINUE        18       /* Returned from H_Join on success */
297 #define H_LONG_BUSY_START_RANGE         9900  /* Start of long busy range */
298 #define H_LONG_BUSY_ORDER_1_MSEC        9900  /* Long busy, hint that 1msec \
299                                                  is a good time to retry */
300 #define H_LONG_BUSY_ORDER_10_MSEC       9901  /* Long busy, hint that 10msec \
301                                                  is a good time to retry */
302 #define H_LONG_BUSY_ORDER_100_MSEC      9902  /* Long busy, hint that 100msec \
303                                                  is a good time to retry */
304 #define H_LONG_BUSY_ORDER_1_SEC         9903  /* Long busy, hint that 1sec \
305                                                  is a good time to retry */
306 #define H_LONG_BUSY_ORDER_10_SEC        9904  /* Long busy, hint that 10sec \
307                                                  is a good time to retry */
308 #define H_LONG_BUSY_ORDER_100_SEC       9905  /* Long busy, hint that 100sec \
309                                                  is a good time to retry */
310 #define H_LONG_BUSY_END_RANGE           9905  /* End of long busy range */
311 #define H_HARDWARE        -1       /* Hardware error */
312 #define H_FUNCTION        -2       /* Function not supported */
313 #define H_PRIVILEGE       -3       /* Caller not privileged */
314 #define H_PARAMETER       -4       /* Parameter invalid, out-of-range or conflicting */
315 #define H_BAD_MODE        -5       /* Illegal msr value */
316 #define H_PTEG_FULL       -6       /* PTEG is full */
317 #define H_NOT_FOUND       -7       /* PTE was not found" */
318 #define H_RESERVED_DABR   -8       /* DABR address is reserved by the hypervisor on this processor" */
319 #define H_NO_MEM          -9
320 #define H_AUTHORITY       -10
321 #define H_PERMISSION      -11
322 #define H_DROPPED         -12
323 #define H_SOURCE_PARM     -13
324 #define H_DEST_PARM       -14
325 #define H_REMOTE_PARM     -15
326 #define H_RESOURCE        -16
327 #define H_ADAPTER_PARM    -17
328 #define H_RH_PARM         -18
329 #define H_RCQ_PARM        -19
330 #define H_SCQ_PARM        -20
331 #define H_EQ_PARM         -21
332 #define H_RT_PARM         -22
333 #define H_ST_PARM         -23
334 #define H_SIGT_PARM       -24
335 #define H_TOKEN_PARM      -25
336 #define H_MLENGTH_PARM    -27
337 #define H_MEM_PARM        -28
338 #define H_MEM_ACCESS_PARM -29
339 #define H_ATTR_PARM       -30
340 #define H_PORT_PARM       -31
341 #define H_MCG_PARM        -32
342 #define H_VL_PARM         -33
343 #define H_TSIZE_PARM      -34
344 #define H_TRACE_PARM      -35
345 
346 #define H_MASK_PARM       -37
347 #define H_MCG_FULL        -38
348 #define H_ALIAS_EXIST     -39
349 #define H_P_COUNTER       -40
350 #define H_TABLE_FULL      -41
351 #define H_ALT_TABLE       -42
352 #define H_MR_CONDITION    -43
353 #define H_NOT_ENOUGH_RESOURCES -44
354 #define H_R_STATE         -45
355 #define H_RESCINDEND      -46
356 #define H_P2              -55
357 #define H_P3              -56
358 #define H_P4              -57
359 #define H_P5              -58
360 #define H_P6              -59
361 #define H_P7              -60
362 #define H_P8              -61
363 #define H_P9              -62
364 #define H_NOOP            -63
365 #define H_UNSUPPORTED     -67
366 #define H_OVERLAP         -68
367 #define H_STATE           -75
368 #define H_UNSUPPORTED_FLAG -256
369 #define H_MULTI_THREADS_ACTIVE -9005
370 
371 
372 /* Long Busy is a condition that can be returned by the firmware
373  * when a call cannot be completed now, but the identical call
374  * should be retried later.  This prevents calls blocking in the
375  * firmware for long periods of time.  Annoyingly the firmware can return
376  * a range of return codes, hinting at how long we should wait before
377  * retrying.  If you don't care for the hint, the macro below is a good
378  * way to check for the long_busy return codes
379  */
380 #define H_IS_LONG_BUSY(x)  ((x >= H_LONG_BUSY_START_RANGE) \
381                             && (x <= H_LONG_BUSY_END_RANGE))
382 
383 /* Flags */
384 #define H_LARGE_PAGE      (1ULL<<(63-16))
385 #define H_EXACT           (1ULL<<(63-24))       /* Use exact PTE or return H_PTEG_FULL */
386 #define H_R_XLATE         (1ULL<<(63-25))       /* include a valid logical page num in the pte if the valid bit is set */
387 #define H_READ_4          (1ULL<<(63-26))       /* Return 4 PTEs */
388 #define H_PAGE_STATE_CHANGE (1ULL<<(63-28))
389 #define H_PAGE_UNUSED     ((1ULL<<(63-29)) | (1ULL<<(63-30)))
390 #define H_PAGE_SET_UNUSED (H_PAGE_STATE_CHANGE | H_PAGE_UNUSED)
391 #define H_PAGE_SET_LOANED (H_PAGE_SET_UNUSED | (1ULL<<(63-31)))
392 #define H_PAGE_SET_ACTIVE H_PAGE_STATE_CHANGE
393 #define H_AVPN            (1ULL<<(63-32))       /* An avpn is provided as a sanity test */
394 #define H_ANDCOND         (1ULL<<(63-33))
395 #define H_ICACHE_INVALIDATE (1ULL<<(63-40))     /* icbi, etc.  (ignored for IO pages) */
396 #define H_ICACHE_SYNCHRONIZE (1ULL<<(63-41))    /* dcbst, icbi, etc (ignored for IO pages */
397 #define H_ZERO_PAGE       (1ULL<<(63-48))       /* zero the page before mapping (ignored for IO pages) */
398 #define H_COPY_PAGE       (1ULL<<(63-49))
399 #define H_N               (1ULL<<(63-61))
400 #define H_PP1             (1ULL<<(63-62))
401 #define H_PP2             (1ULL<<(63-63))
402 
403 /* Values for 2nd argument to H_SET_MODE */
404 #define H_SET_MODE_RESOURCE_SET_CIABR           1
405 #define H_SET_MODE_RESOURCE_SET_DAWR0           2
406 #define H_SET_MODE_RESOURCE_ADDR_TRANS_MODE     3
407 #define H_SET_MODE_RESOURCE_LE                  4
408 
409 /* Flags for H_SET_MODE_RESOURCE_LE */
410 #define H_SET_MODE_ENDIAN_BIG    0
411 #define H_SET_MODE_ENDIAN_LITTLE 1
412 
413 /* VASI States */
414 #define H_VASI_INVALID    0
415 #define H_VASI_ENABLED    1
416 #define H_VASI_ABORTED    2
417 #define H_VASI_SUSPENDING 3
418 #define H_VASI_SUSPENDED  4
419 #define H_VASI_RESUMED    5
420 #define H_VASI_COMPLETED  6
421 
422 /* DABRX flags */
423 #define H_DABRX_HYPERVISOR (1ULL<<(63-61))
424 #define H_DABRX_KERNEL     (1ULL<<(63-62))
425 #define H_DABRX_USER       (1ULL<<(63-63))
426 
427 /* Values for KVM_PPC_GET_CPU_CHAR & H_GET_CPU_CHARACTERISTICS */
428 #define H_CPU_CHAR_SPEC_BAR_ORI31               PPC_BIT(0)
429 #define H_CPU_CHAR_BCCTRL_SERIALISED            PPC_BIT(1)
430 #define H_CPU_CHAR_L1D_FLUSH_ORI30              PPC_BIT(2)
431 #define H_CPU_CHAR_L1D_FLUSH_TRIG2              PPC_BIT(3)
432 #define H_CPU_CHAR_L1D_THREAD_PRIV              PPC_BIT(4)
433 #define H_CPU_CHAR_HON_BRANCH_HINTS             PPC_BIT(5)
434 #define H_CPU_CHAR_THR_RECONF_TRIG              PPC_BIT(6)
435 #define H_CPU_CHAR_CACHE_COUNT_DIS              PPC_BIT(7)
436 #define H_CPU_CHAR_BCCTR_FLUSH_ASSIST           PPC_BIT(9)
437 
438 #define H_CPU_BEHAV_FAVOUR_SECURITY             PPC_BIT(0)
439 #define H_CPU_BEHAV_L1D_FLUSH_PR                PPC_BIT(1)
440 #define H_CPU_BEHAV_BNDS_CHK_SPEC_BAR           PPC_BIT(2)
441 #define H_CPU_BEHAV_FLUSH_COUNT_CACHE           PPC_BIT(5)
442 #define H_CPU_BEHAV_NO_L1D_FLUSH_ENTRY          PPC_BIT(7)
443 #define H_CPU_BEHAV_NO_L1D_FLUSH_UACCESS        PPC_BIT(8)
444 
445 /* Each control block has to be on a 4K boundary */
446 #define H_CB_ALIGNMENT     4096
447 
448 /* pSeries hypervisor opcodes */
449 #define H_REMOVE                0x04
450 #define H_ENTER                 0x08
451 #define H_READ                  0x0c
452 #define H_CLEAR_MOD             0x10
453 #define H_CLEAR_REF             0x14
454 #define H_PROTECT               0x18
455 #define H_GET_TCE               0x1c
456 #define H_PUT_TCE               0x20
457 #define H_SET_SPRG0             0x24
458 #define H_SET_DABR              0x28
459 #define H_PAGE_INIT             0x2c
460 #define H_SET_ASR               0x30
461 #define H_ASR_ON                0x34
462 #define H_ASR_OFF               0x38
463 #define H_LOGICAL_CI_LOAD       0x3c
464 #define H_LOGICAL_CI_STORE      0x40
465 #define H_LOGICAL_CACHE_LOAD    0x44
466 #define H_LOGICAL_CACHE_STORE   0x48
467 #define H_LOGICAL_ICBI          0x4c
468 #define H_LOGICAL_DCBF          0x50
469 #define H_GET_TERM_CHAR         0x54
470 #define H_PUT_TERM_CHAR         0x58
471 #define H_REAL_TO_LOGICAL       0x5c
472 #define H_HYPERVISOR_DATA       0x60
473 #define H_EOI                   0x64
474 #define H_CPPR                  0x68
475 #define H_IPI                   0x6c
476 #define H_IPOLL                 0x70
477 #define H_XIRR                  0x74
478 #define H_PERFMON               0x7c
479 #define H_MIGRATE_DMA           0x78
480 #define H_REGISTER_VPA          0xDC
481 #define H_CEDE                  0xE0
482 #define H_CONFER                0xE4
483 #define H_PROD                  0xE8
484 #define H_GET_PPP               0xEC
485 #define H_SET_PPP               0xF0
486 #define H_PURR                  0xF4
487 #define H_PIC                   0xF8
488 #define H_REG_CRQ               0xFC
489 #define H_FREE_CRQ              0x100
490 #define H_VIO_SIGNAL            0x104
491 #define H_SEND_CRQ              0x108
492 #define H_COPY_RDMA             0x110
493 #define H_REGISTER_LOGICAL_LAN  0x114
494 #define H_FREE_LOGICAL_LAN      0x118
495 #define H_ADD_LOGICAL_LAN_BUFFER 0x11C
496 #define H_SEND_LOGICAL_LAN      0x120
497 #define H_BULK_REMOVE           0x124
498 #define H_MULTICAST_CTRL        0x130
499 #define H_SET_XDABR             0x134
500 #define H_STUFF_TCE             0x138
501 #define H_PUT_TCE_INDIRECT      0x13C
502 #define H_CHANGE_LOGICAL_LAN_MAC 0x14C
503 #define H_VTERM_PARTNER_INFO    0x150
504 #define H_REGISTER_VTERM        0x154
505 #define H_FREE_VTERM            0x158
506 #define H_RESET_EVENTS          0x15C
507 #define H_ALLOC_RESOURCE        0x160
508 #define H_FREE_RESOURCE         0x164
509 #define H_MODIFY_QP             0x168
510 #define H_QUERY_QP              0x16C
511 #define H_REREGISTER_PMR        0x170
512 #define H_REGISTER_SMR          0x174
513 #define H_QUERY_MR              0x178
514 #define H_QUERY_MW              0x17C
515 #define H_QUERY_HCA             0x180
516 #define H_QUERY_PORT            0x184
517 #define H_MODIFY_PORT           0x188
518 #define H_DEFINE_AQP1           0x18C
519 #define H_GET_TRACE_BUFFER      0x190
520 #define H_DEFINE_AQP0           0x194
521 #define H_RESIZE_MR             0x198
522 #define H_ATTACH_MCQP           0x19C
523 #define H_DETACH_MCQP           0x1A0
524 #define H_CREATE_RPT            0x1A4
525 #define H_REMOVE_RPT            0x1A8
526 #define H_REGISTER_RPAGES       0x1AC
527 #define H_DISABLE_AND_GETC      0x1B0
528 #define H_ERROR_DATA            0x1B4
529 #define H_GET_HCA_INFO          0x1B8
530 #define H_GET_PERF_COUNT        0x1BC
531 #define H_MANAGE_TRACE          0x1C0
532 #define H_GET_CPU_CHARACTERISTICS 0x1C8
533 #define H_FREE_LOGICAL_LAN_BUFFER 0x1D4
534 #define H_QUERY_INT_STATE       0x1E4
535 #define H_POLL_PENDING          0x1D8
536 #define H_ILLAN_ATTRIBUTES      0x244
537 #define H_MODIFY_HEA_QP         0x250
538 #define H_QUERY_HEA_QP          0x254
539 #define H_QUERY_HEA             0x258
540 #define H_QUERY_HEA_PORT        0x25C
541 #define H_MODIFY_HEA_PORT       0x260
542 #define H_REG_BCMC              0x264
543 #define H_DEREG_BCMC            0x268
544 #define H_REGISTER_HEA_RPAGES   0x26C
545 #define H_DISABLE_AND_GET_HEA   0x270
546 #define H_GET_HEA_INFO          0x274
547 #define H_ALLOC_HEA_RESOURCE    0x278
548 #define H_ADD_CONN              0x284
549 #define H_DEL_CONN              0x288
550 #define H_JOIN                  0x298
551 #define H_VASI_STATE            0x2A4
552 #define H_ENABLE_CRQ            0x2B0
553 #define H_GET_EM_PARMS          0x2B8
554 #define H_SET_MPP               0x2D0
555 #define H_GET_MPP               0x2D4
556 #define H_HOME_NODE_ASSOCIATIVITY 0x2EC
557 #define H_XIRR_X                0x2FC
558 #define H_RANDOM                0x300
559 #define H_SET_MODE              0x31C
560 #define H_RESIZE_HPT_PREPARE    0x36C
561 #define H_RESIZE_HPT_COMMIT     0x370
562 #define H_CLEAN_SLB             0x374
563 #define H_INVALIDATE_PID        0x378
564 #define H_REGISTER_PROC_TBL     0x37C
565 #define H_SIGNAL_SYS_RESET      0x380
566 
567 #define H_INT_GET_SOURCE_INFO   0x3A8
568 #define H_INT_SET_SOURCE_CONFIG 0x3AC
569 #define H_INT_GET_SOURCE_CONFIG 0x3B0
570 #define H_INT_GET_QUEUE_INFO    0x3B4
571 #define H_INT_SET_QUEUE_CONFIG  0x3B8
572 #define H_INT_GET_QUEUE_CONFIG  0x3BC
573 #define H_INT_SET_OS_REPORTING_LINE 0x3C0
574 #define H_INT_GET_OS_REPORTING_LINE 0x3C4
575 #define H_INT_ESB               0x3C8
576 #define H_INT_SYNC              0x3CC
577 #define H_INT_RESET             0x3D0
578 #define H_SCM_READ_METADATA     0x3E4
579 #define H_SCM_WRITE_METADATA    0x3E8
580 #define H_SCM_BIND_MEM          0x3EC
581 #define H_SCM_UNBIND_MEM        0x3F0
582 #define H_SCM_UNBIND_ALL        0x3FC
583 #define H_SCM_HEALTH            0x400
584 #define H_RPT_INVALIDATE        0x448
585 #define H_SCM_FLUSH             0x44C
586 #define H_WATCHDOG              0x45C
587 #define H_GUEST_GET_CAPABILITIES 0x460
588 #define H_GUEST_SET_CAPABILITIES 0x464
589 
590 #define MAX_HCALL_OPCODE         H_GUEST_SET_CAPABILITIES
591 
592 /* The hcalls above are standardized in PAPR and implemented by pHyp
593  * as well.
594  *
595  * We also need some hcalls which are specific to qemu / KVM-on-POWER.
596  * We put those into the 0xf000-0xfffc range which is reserved by PAPR
597  * for "platform-specific" hcalls.
598  */
599 #define KVMPPC_HCALL_BASE       0xf000
600 #define KVMPPC_H_RTAS           (KVMPPC_HCALL_BASE + 0x0)
601 #define KVMPPC_H_LOGICAL_MEMOP  (KVMPPC_HCALL_BASE + 0x1)
602 /* Client Architecture support */
603 #define KVMPPC_H_CAS            (KVMPPC_HCALL_BASE + 0x2)
604 #define KVMPPC_H_UPDATE_DT      (KVMPPC_HCALL_BASE + 0x3)
605 /* 0x4 was used for KVMPPC_H_UPDATE_PHANDLE in SLOF */
606 #define KVMPPC_H_VOF_CLIENT     (KVMPPC_HCALL_BASE + 0x5)
607 
608 /* Platform-specific hcalls used for nested HV KVM */
609 #define KVMPPC_H_SET_PARTITION_TABLE   (KVMPPC_HCALL_BASE + 0x800)
610 #define KVMPPC_H_ENTER_NESTED          (KVMPPC_HCALL_BASE + 0x804)
611 #define KVMPPC_H_TLB_INVALIDATE        (KVMPPC_HCALL_BASE + 0x808)
612 #define KVMPPC_H_COPY_TOFROM_GUEST     (KVMPPC_HCALL_BASE + 0x80C)
613 
614 #define KVMPPC_HCALL_MAX        KVMPPC_H_COPY_TOFROM_GUEST
615 
616 /*
617  * The hcall range 0xEF00 to 0xEF80 is reserved for use in facilitating
618  * Secure VM mode via an Ultravisor / Protected Execution Facility
619  */
620 #define SVM_HCALL_BASE              0xEF00
621 #define SVM_H_TPM_COMM              0xEF10
622 #define SVM_HCALL_MAX               SVM_H_TPM_COMM
623 
624 typedef struct SpaprDeviceTreeUpdateHeader {
625     uint32_t version_id;
626 } SpaprDeviceTreeUpdateHeader;
627 
628 #define hcall_dprintf(fmt, ...) \
629     do { \
630         qemu_log_mask(LOG_GUEST_ERROR, "%s: " fmt, __func__, ## __VA_ARGS__); \
631     } while (0)
632 
633 typedef target_ulong (*spapr_hcall_fn)(PowerPCCPU *cpu, SpaprMachineState *sm,
634                                        target_ulong opcode,
635                                        target_ulong *args);
636 
637 void spapr_register_hypercall(target_ulong opcode, spapr_hcall_fn fn);
638 void spapr_unregister_hypercall(target_ulong opcode);
639 target_ulong spapr_hypercall(PowerPCCPU *cpu, target_ulong opcode,
640                              target_ulong *args);
641 
642 target_ulong vhyp_mmu_resize_hpt_prepare(PowerPCCPU *cpu,
643                                          SpaprMachineState *spapr,
644                                          target_ulong shift);
645 target_ulong vhyp_mmu_resize_hpt_commit(PowerPCCPU *cpu,
646                                         SpaprMachineState *spapr,
647                                         target_ulong flags,
648                                         target_ulong shift);
649 bool is_ram_address(SpaprMachineState *spapr, hwaddr addr);
650 void push_sregs_to_kvm_pr(SpaprMachineState *spapr);
651 
652 /* Virtual Processor Area structure constants */
653 #define VPA_MIN_SIZE           640
654 #define VPA_SIZE_OFFSET        0x4
655 #define VPA_SHARED_PROC_OFFSET 0x9
656 #define VPA_SHARED_PROC_VAL    0x2
657 #define VPA_DISPATCH_COUNTER   0x100
658 
659 /* ibm,set-eeh-option */
660 #define RTAS_EEH_DISABLE                 0
661 #define RTAS_EEH_ENABLE                  1
662 #define RTAS_EEH_THAW_IO                 2
663 #define RTAS_EEH_THAW_DMA                3
664 
665 /* ibm,get-config-addr-info2 */
666 #define RTAS_GET_PE_ADDR                 0
667 #define RTAS_GET_PE_MODE                 1
668 #define RTAS_PE_MODE_NONE                0
669 #define RTAS_PE_MODE_NOT_SHARED          1
670 #define RTAS_PE_MODE_SHARED              2
671 
672 /* ibm,read-slot-reset-state2 */
673 #define RTAS_EEH_PE_STATE_NORMAL         0
674 #define RTAS_EEH_PE_STATE_RESET          1
675 #define RTAS_EEH_PE_STATE_STOPPED_IO_DMA 2
676 #define RTAS_EEH_PE_STATE_STOPPED_DMA    4
677 #define RTAS_EEH_PE_STATE_UNAVAIL        5
678 #define RTAS_EEH_NOT_SUPPORT             0
679 #define RTAS_EEH_SUPPORT                 1
680 #define RTAS_EEH_PE_UNAVAIL_INFO         1000
681 #define RTAS_EEH_PE_RECOVER_INFO         0
682 
683 /* ibm,set-slot-reset */
684 #define RTAS_SLOT_RESET_DEACTIVATE       0
685 #define RTAS_SLOT_RESET_HOT              1
686 #define RTAS_SLOT_RESET_FUNDAMENTAL      3
687 
688 /* ibm,slot-error-detail */
689 #define RTAS_SLOT_TEMP_ERR_LOG           1
690 #define RTAS_SLOT_PERM_ERR_LOG           2
691 
692 /* RTAS return codes */
693 #define RTAS_OUT_SUCCESS                        0
694 #define RTAS_OUT_NO_ERRORS_FOUND                1
695 #define RTAS_OUT_HW_ERROR                       -1
696 #define RTAS_OUT_BUSY                           -2
697 #define RTAS_OUT_PARAM_ERROR                    -3
698 #define RTAS_OUT_NOT_SUPPORTED                  -3
699 #define RTAS_OUT_NO_SUCH_INDICATOR              -3
700 #define RTAS_OUT_NOT_AUTHORIZED                 -9002
701 #define RTAS_OUT_SYSPARM_PARAM_ERROR            -9999
702 
703 /* DDW pagesize mask values from ibm,query-pe-dma-window */
704 #define RTAS_DDW_PGSIZE_4K       0x01
705 #define RTAS_DDW_PGSIZE_64K      0x02
706 #define RTAS_DDW_PGSIZE_16M      0x04
707 #define RTAS_DDW_PGSIZE_32M      0x08
708 #define RTAS_DDW_PGSIZE_64M      0x10
709 #define RTAS_DDW_PGSIZE_128M     0x20
710 #define RTAS_DDW_PGSIZE_256M     0x40
711 #define RTAS_DDW_PGSIZE_16G      0x80
712 #define RTAS_DDW_PGSIZE_2M       0x100
713 
714 /* RTAS tokens */
715 #define RTAS_TOKEN_BASE      0x2000
716 
717 #define RTAS_DISPLAY_CHARACTER                  (RTAS_TOKEN_BASE + 0x00)
718 #define RTAS_GET_TIME_OF_DAY                    (RTAS_TOKEN_BASE + 0x01)
719 #define RTAS_SET_TIME_OF_DAY                    (RTAS_TOKEN_BASE + 0x02)
720 #define RTAS_POWER_OFF                          (RTAS_TOKEN_BASE + 0x03)
721 #define RTAS_SYSTEM_REBOOT                      (RTAS_TOKEN_BASE + 0x04)
722 #define RTAS_QUERY_CPU_STOPPED_STATE            (RTAS_TOKEN_BASE + 0x05)
723 #define RTAS_START_CPU                          (RTAS_TOKEN_BASE + 0x06)
724 #define RTAS_STOP_SELF                          (RTAS_TOKEN_BASE + 0x07)
725 #define RTAS_IBM_GET_SYSTEM_PARAMETER           (RTAS_TOKEN_BASE + 0x08)
726 #define RTAS_IBM_SET_SYSTEM_PARAMETER           (RTAS_TOKEN_BASE + 0x09)
727 #define RTAS_IBM_SET_XIVE                       (RTAS_TOKEN_BASE + 0x0A)
728 #define RTAS_IBM_GET_XIVE                       (RTAS_TOKEN_BASE + 0x0B)
729 #define RTAS_IBM_INT_OFF                        (RTAS_TOKEN_BASE + 0x0C)
730 #define RTAS_IBM_INT_ON                         (RTAS_TOKEN_BASE + 0x0D)
731 #define RTAS_CHECK_EXCEPTION                    (RTAS_TOKEN_BASE + 0x0E)
732 #define RTAS_EVENT_SCAN                         (RTAS_TOKEN_BASE + 0x0F)
733 #define RTAS_IBM_SET_TCE_BYPASS                 (RTAS_TOKEN_BASE + 0x10)
734 #define RTAS_QUIESCE                            (RTAS_TOKEN_BASE + 0x11)
735 #define RTAS_NVRAM_FETCH                        (RTAS_TOKEN_BASE + 0x12)
736 #define RTAS_NVRAM_STORE                        (RTAS_TOKEN_BASE + 0x13)
737 #define RTAS_READ_PCI_CONFIG                    (RTAS_TOKEN_BASE + 0x14)
738 #define RTAS_WRITE_PCI_CONFIG                   (RTAS_TOKEN_BASE + 0x15)
739 #define RTAS_IBM_READ_PCI_CONFIG                (RTAS_TOKEN_BASE + 0x16)
740 #define RTAS_IBM_WRITE_PCI_CONFIG               (RTAS_TOKEN_BASE + 0x17)
741 #define RTAS_IBM_QUERY_INTERRUPT_SOURCE_NUMBER  (RTAS_TOKEN_BASE + 0x18)
742 #define RTAS_IBM_CHANGE_MSI                     (RTAS_TOKEN_BASE + 0x19)
743 #define RTAS_SET_INDICATOR                      (RTAS_TOKEN_BASE + 0x1A)
744 #define RTAS_SET_POWER_LEVEL                    (RTAS_TOKEN_BASE + 0x1B)
745 #define RTAS_GET_POWER_LEVEL                    (RTAS_TOKEN_BASE + 0x1C)
746 #define RTAS_GET_SENSOR_STATE                   (RTAS_TOKEN_BASE + 0x1D)
747 #define RTAS_IBM_CONFIGURE_CONNECTOR            (RTAS_TOKEN_BASE + 0x1E)
748 #define RTAS_IBM_OS_TERM                        (RTAS_TOKEN_BASE + 0x1F)
749 #define RTAS_IBM_SET_EEH_OPTION                 (RTAS_TOKEN_BASE + 0x20)
750 #define RTAS_IBM_GET_CONFIG_ADDR_INFO2          (RTAS_TOKEN_BASE + 0x21)
751 #define RTAS_IBM_READ_SLOT_RESET_STATE2         (RTAS_TOKEN_BASE + 0x22)
752 #define RTAS_IBM_SET_SLOT_RESET                 (RTAS_TOKEN_BASE + 0x23)
753 #define RTAS_IBM_CONFIGURE_PE                   (RTAS_TOKEN_BASE + 0x24)
754 #define RTAS_IBM_SLOT_ERROR_DETAIL              (RTAS_TOKEN_BASE + 0x25)
755 #define RTAS_IBM_QUERY_PE_DMA_WINDOW            (RTAS_TOKEN_BASE + 0x26)
756 #define RTAS_IBM_CREATE_PE_DMA_WINDOW           (RTAS_TOKEN_BASE + 0x27)
757 #define RTAS_IBM_REMOVE_PE_DMA_WINDOW           (RTAS_TOKEN_BASE + 0x28)
758 #define RTAS_IBM_RESET_PE_DMA_WINDOW            (RTAS_TOKEN_BASE + 0x29)
759 #define RTAS_IBM_SUSPEND_ME                     (RTAS_TOKEN_BASE + 0x2A)
760 #define RTAS_IBM_NMI_REGISTER                   (RTAS_TOKEN_BASE + 0x2B)
761 #define RTAS_IBM_NMI_INTERLOCK                  (RTAS_TOKEN_BASE + 0x2C)
762 
763 #define RTAS_TOKEN_MAX                          (RTAS_TOKEN_BASE + 0x2D)
764 
765 /* RTAS ibm,get-system-parameter token values */
766 #define RTAS_SYSPARM_SPLPAR_CHARACTERISTICS      20
767 #define RTAS_SYSPARM_DIAGNOSTICS_RUN_MODE        42
768 #define RTAS_SYSPARM_UUID                        48
769 
770 /* RTAS indicator/sensor types
771  *
772  * as defined by PAPR+ 2.7 7.3.5.4, Table 41
773  *
774  * NOTE: currently only DR-related sensors are implemented here
775  */
776 #define RTAS_SENSOR_TYPE_ISOLATION_STATE        9001
777 #define RTAS_SENSOR_TYPE_DR                     9002
778 #define RTAS_SENSOR_TYPE_ALLOCATION_STATE       9003
779 #define RTAS_SENSOR_TYPE_ENTITY_SENSE RTAS_SENSOR_TYPE_ALLOCATION_STATE
780 
781 /* Possible values for the platform-processor-diagnostics-run-mode parameter
782  * of the RTAS ibm,get-system-parameter call.
783  */
784 #define DIAGNOSTICS_RUN_MODE_DISABLED  0
785 #define DIAGNOSTICS_RUN_MODE_STAGGERED 1
786 #define DIAGNOSTICS_RUN_MODE_IMMEDIATE 2
787 #define DIAGNOSTICS_RUN_MODE_PERIODIC  3
788 
789 static inline uint64_t ppc64_phys_to_real(uint64_t addr)
790 {
791     return addr & ~0xF000000000000000ULL;
792 }
793 
794 static inline uint32_t rtas_ld(target_ulong phys, int n)
795 {
796     return ldl_be_phys(&address_space_memory,
797                        ppc64_phys_to_real(phys + 4 * n));
798 }
799 
800 static inline uint64_t rtas_ldq(target_ulong phys, int n)
801 {
802     return (uint64_t)rtas_ld(phys, n) << 32 | rtas_ld(phys, n + 1);
803 }
804 
805 static inline void rtas_st(target_ulong phys, int n, uint32_t val)
806 {
807     stl_be_phys(&address_space_memory, ppc64_phys_to_real(phys + 4 * n), val);
808 }
809 
810 typedef void (*spapr_rtas_fn)(PowerPCCPU *cpu, SpaprMachineState *sm,
811                               uint32_t token,
812                               uint32_t nargs, target_ulong args,
813                               uint32_t nret, target_ulong rets);
814 void spapr_rtas_register(int token, const char *name, spapr_rtas_fn fn);
815 target_ulong spapr_rtas_call(PowerPCCPU *cpu, SpaprMachineState *sm,
816                              uint32_t token, uint32_t nargs, target_ulong args,
817                              uint32_t nret, target_ulong rets);
818 void spapr_dt_rtas_tokens(void *fdt, int rtas);
819 void spapr_load_rtas(SpaprMachineState *spapr, void *fdt, hwaddr addr);
820 
821 #define SPAPR_TCE_PAGE_SHIFT   12
822 #define SPAPR_TCE_PAGE_SIZE    (1ULL << SPAPR_TCE_PAGE_SHIFT)
823 #define SPAPR_TCE_PAGE_MASK    (SPAPR_TCE_PAGE_SIZE - 1)
824 
825 #define SPAPR_VIO_BASE_LIOBN    0x00000000
826 #define SPAPR_VIO_LIOBN(reg)    (0x00000000 | (reg))
827 #define SPAPR_PCI_LIOBN(phb_index, window_num) \
828     (0x80000000 | ((phb_index) << 8) | (window_num))
829 #define SPAPR_IS_PCI_LIOBN(liobn)   (!!((liobn) & 0x80000000))
830 #define SPAPR_PCI_DMA_WINDOW_NUM(liobn) ((liobn) & 0xff)
831 
832 #define RTAS_MIN_SIZE           20 /* hv_rtas_size in SLOF */
833 #define RTAS_ERROR_LOG_MAX      2048
834 
835 /* Offset from rtas-base where error log is placed */
836 #define RTAS_ERROR_LOG_OFFSET       0x30
837 
838 #define RTAS_EVENT_SCAN_RATE    1
839 
840 /* This helper should be used to encode interrupt specifiers when the related
841  * "interrupt-controller" node has its "#interrupt-cells" property set to 2 (ie,
842  * VIO devices, RTAS event sources and PHBs).
843  */
844 static inline void spapr_dt_irq(uint32_t *intspec, int irq, bool is_lsi)
845 {
846     intspec[0] = cpu_to_be32(irq);
847     intspec[1] = is_lsi ? cpu_to_be32(1) : 0;
848 }
849 
850 
851 #define TYPE_SPAPR_TCE_TABLE "spapr-tce-table"
852 OBJECT_DECLARE_SIMPLE_TYPE(SpaprTceTable, SPAPR_TCE_TABLE)
853 
854 #define TYPE_SPAPR_IOMMU_MEMORY_REGION "spapr-iommu-memory-region"
855 DECLARE_INSTANCE_CHECKER(IOMMUMemoryRegion, SPAPR_IOMMU_MEMORY_REGION,
856                          TYPE_SPAPR_IOMMU_MEMORY_REGION)
857 
858 struct SpaprTceTable {
859     DeviceState parent;
860     uint32_t liobn;
861     uint32_t nb_table;
862     uint64_t bus_offset;
863     uint32_t page_shift;
864     uint64_t *table;
865     uint32_t mig_nb_table;
866     uint64_t *mig_table;
867     bool bypass;
868     bool need_vfio;
869     bool skipping_replay;
870     bool def_win;
871     int fd;
872     MemoryRegion root;
873     IOMMUMemoryRegion iommu;
874     struct SpaprVioDevice *vdev; /* for @bypass migration compatibility only */
875     QLIST_ENTRY(SpaprTceTable) list;
876 };
877 
878 SpaprTceTable *spapr_tce_find_by_liobn(target_ulong liobn);
879 
880 struct SpaprEventLogEntry {
881     uint32_t summary;
882     uint32_t extended_length;
883     void *extended_log;
884     QTAILQ_ENTRY(SpaprEventLogEntry) next;
885 };
886 
887 void *spapr_build_fdt(SpaprMachineState *spapr, bool reset, size_t space);
888 void spapr_events_init(SpaprMachineState *sm);
889 void spapr_dt_events(SpaprMachineState *sm, void *fdt);
890 void close_htab_fd(SpaprMachineState *spapr);
891 void spapr_setup_hpt(SpaprMachineState *spapr);
892 void spapr_free_hpt(SpaprMachineState *spapr);
893 void spapr_check_mmu_mode(bool guest_radix);
894 SpaprTceTable *spapr_tce_new_table(DeviceState *owner, uint32_t liobn);
895 void spapr_tce_table_enable(SpaprTceTable *tcet,
896                             uint32_t page_shift, uint64_t bus_offset,
897                             uint32_t nb_table);
898 void spapr_tce_table_disable(SpaprTceTable *tcet);
899 void spapr_tce_set_need_vfio(SpaprTceTable *tcet, bool need_vfio);
900 
901 MemoryRegion *spapr_tce_get_iommu(SpaprTceTable *tcet);
902 int spapr_dma_dt(void *fdt, int node_off, const char *propname,
903                  uint32_t liobn, uint64_t window, uint32_t size);
904 int spapr_tcet_dma_dt(void *fdt, int node_off, const char *propname,
905                       SpaprTceTable *tcet);
906 void spapr_pci_switch_vga(SpaprMachineState *spapr, bool big_endian);
907 void spapr_hotplug_req_add_by_index(SpaprDrc *drc);
908 void spapr_hotplug_req_remove_by_index(SpaprDrc *drc);
909 void spapr_hotplug_req_add_by_count(SpaprDrcType drc_type,
910                                        uint32_t count);
911 void spapr_hotplug_req_remove_by_count(SpaprDrcType drc_type,
912                                           uint32_t count);
913 void spapr_hotplug_req_add_by_count_indexed(SpaprDrcType drc_type,
914                                             uint32_t count, uint32_t index);
915 void spapr_hotplug_req_remove_by_count_indexed(SpaprDrcType drc_type,
916                                                uint32_t count, uint32_t index);
917 int spapr_hpt_shift_for_ramsize(uint64_t ramsize);
918 int spapr_reallocate_hpt(SpaprMachineState *spapr, int shift, Error **errp);
919 void spapr_clear_pending_events(SpaprMachineState *spapr);
920 void spapr_clear_pending_hotplug_events(SpaprMachineState *spapr);
921 void spapr_memory_unplug_rollback(SpaprMachineState *spapr, DeviceState *dev);
922 int spapr_max_server_number(SpaprMachineState *spapr);
923 void spapr_store_hpte(PowerPCCPU *cpu, hwaddr ptex,
924                       uint64_t pte0, uint64_t pte1);
925 void spapr_mce_req_event(PowerPCCPU *cpu, bool recovered);
926 
927 /* DRC callbacks. */
928 void spapr_core_release(DeviceState *dev);
929 int spapr_core_dt_populate(SpaprDrc *drc, SpaprMachineState *spapr,
930                            void *fdt, int *fdt_start_offset, Error **errp);
931 void spapr_lmb_release(DeviceState *dev);
932 int spapr_lmb_dt_populate(SpaprDrc *drc, SpaprMachineState *spapr,
933                           void *fdt, int *fdt_start_offset, Error **errp);
934 void spapr_phb_release(DeviceState *dev);
935 int spapr_phb_dt_populate(SpaprDrc *drc, SpaprMachineState *spapr,
936                           void *fdt, int *fdt_start_offset, Error **errp);
937 
938 void spapr_rtc_read(SpaprRtcState *rtc, struct tm *tm, uint32_t *ns);
939 int spapr_rtc_import_offset(SpaprRtcState *rtc, int64_t legacy_offset);
940 
941 #define TYPE_SPAPR_RNG "spapr-rng"
942 
943 #define SPAPR_MEMORY_BLOCK_SIZE ((hwaddr)1 << 28) /* 256MB */
944 
945 /*
946  * This defines the maximum number of DIMM slots we can have for sPAPR
947  * guest. This is not defined by sPAPR but we are defining it to 32 slots
948  * based on default number of slots provided by PowerPC kernel.
949  */
950 #define SPAPR_MAX_RAM_SLOTS     32
951 
952 /* 1GB alignment for hotplug memory region */
953 #define SPAPR_DEVICE_MEM_ALIGN (1 * GiB)
954 
955 /*
956  * Number of 32 bit words in each LMB list entry in ibm,dynamic-memory
957  * property under ibm,dynamic-reconfiguration-memory node.
958  */
959 #define SPAPR_DR_LMB_LIST_ENTRY_SIZE 6
960 
961 /*
962  * Defines for flag value in ibm,dynamic-memory property under
963  * ibm,dynamic-reconfiguration-memory node.
964  */
965 #define SPAPR_LMB_FLAGS_ASSIGNED 0x00000008
966 #define SPAPR_LMB_FLAGS_DRC_INVALID 0x00000020
967 #define SPAPR_LMB_FLAGS_RESERVED 0x00000080
968 #define SPAPR_LMB_FLAGS_HOTREMOVABLE 0x00000100
969 
970 void spapr_do_system_reset_on_cpu(CPUState *cs, run_on_cpu_data arg);
971 
972 #define HTAB_SIZE(spapr)        (1ULL << ((spapr)->htab_shift))
973 
974 int spapr_get_vcpu_id(PowerPCCPU *cpu);
975 bool spapr_set_vcpu_id(PowerPCCPU *cpu, int cpu_index, Error **errp);
976 PowerPCCPU *spapr_find_cpu(int vcpu_id);
977 
978 int spapr_caps_pre_load(void *opaque);
979 int spapr_caps_pre_save(void *opaque);
980 
981 /*
982  * Handling of optional capabilities
983  */
984 extern const VMStateDescription vmstate_spapr_cap_htm;
985 extern const VMStateDescription vmstate_spapr_cap_vsx;
986 extern const VMStateDescription vmstate_spapr_cap_dfp;
987 extern const VMStateDescription vmstate_spapr_cap_cfpc;
988 extern const VMStateDescription vmstate_spapr_cap_sbbc;
989 extern const VMStateDescription vmstate_spapr_cap_ibs;
990 extern const VMStateDescription vmstate_spapr_cap_hpt_maxpagesize;
991 extern const VMStateDescription vmstate_spapr_cap_nested_kvm_hv;
992 extern const VMStateDescription vmstate_spapr_cap_large_decr;
993 extern const VMStateDescription vmstate_spapr_cap_ccf_assist;
994 extern const VMStateDescription vmstate_spapr_cap_fwnmi;
995 extern const VMStateDescription vmstate_spapr_cap_rpt_invalidate;
996 extern const VMStateDescription vmstate_spapr_wdt;
997 
998 static inline uint8_t spapr_get_cap(SpaprMachineState *spapr, int cap)
999 {
1000     return spapr->eff.caps[cap];
1001 }
1002 
1003 void spapr_caps_init(SpaprMachineState *spapr);
1004 void spapr_caps_apply(SpaprMachineState *spapr);
1005 void spapr_caps_cpu_apply(SpaprMachineState *spapr, PowerPCCPU *cpu);
1006 void spapr_caps_add_properties(SpaprMachineClass *smc);
1007 int spapr_caps_post_migration(SpaprMachineState *spapr);
1008 
1009 bool spapr_check_pagesize(SpaprMachineState *spapr, hwaddr pagesize,
1010                           Error **errp);
1011 /*
1012  * XIVE definitions
1013  */
1014 #define SPAPR_OV5_XIVE_LEGACY   0x0
1015 #define SPAPR_OV5_XIVE_EXPLOIT  0x40
1016 #define SPAPR_OV5_XIVE_BOTH     0x80 /* Only to advertise on the platform */
1017 
1018 void spapr_set_all_lpcrs(target_ulong value, target_ulong mask);
1019 void spapr_init_all_lpcrs(target_ulong value, target_ulong mask);
1020 hwaddr spapr_get_rtas_addr(void);
1021 bool spapr_memory_hot_unplug_supported(SpaprMachineState *spapr);
1022 
1023 void spapr_vof_reset(SpaprMachineState *spapr, void *fdt, Error **errp);
1024 void spapr_vof_quiesce(MachineState *ms);
1025 bool spapr_vof_setprop(MachineState *ms, const char *path, const char *propname,
1026                        void *val, int vallen);
1027 target_ulong spapr_h_vof_client(PowerPCCPU *cpu, SpaprMachineState *spapr,
1028                                 target_ulong opcode, target_ulong *args);
1029 target_ulong spapr_vof_client_architecture_support(MachineState *ms,
1030                                                    CPUState *cs,
1031                                                    target_ulong ovec_addr);
1032 void spapr_vof_client_dt_finalize(SpaprMachineState *spapr, void *fdt);
1033 
1034 /* H_WATCHDOG */
1035 void spapr_watchdog_init(SpaprMachineState *spapr);
1036 void spapr_register_nested_hv(void);
1037 void spapr_unregister_nested_hv(void);
1038 void spapr_nested_reset(SpaprMachineState *spapr);
1039 void spapr_register_nested_papr(void);
1040 void spapr_unregister_nested_papr(void);
1041 
1042 #endif /* HW_SPAPR_H */
1043