xref: /openbmc/qemu/include/hw/ppc/spapr.h (revision b14df228)
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 #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 registed 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     long kernel_size;
205     bool kernel_le;
206     uint64_t kernel_addr;
207     uint32_t initrd_base;
208     long initrd_size;
209     Vof *vof;
210     uint64_t rtc_offset; /* Now used only during incoming migration */
211     struct PPCTimebase tb;
212     bool want_stdout_path;
213     uint32_t vsmt;       /* Virtual SMT mode (KVM's "core stride") */
214 
215     /* Nested HV support (TCG only) */
216     uint64_t nested_ptcr;
217 
218     Notifier epow_notifier;
219     QTAILQ_HEAD(, SpaprEventLogEntry) pending_events;
220     bool use_hotplug_event_source;
221     SpaprEventSource *event_sources;
222 
223     /* ibm,client-architecture-support option negotiation */
224     bool cas_pre_isa3_guest;
225     SpaprOptionVector *ov5;         /* QEMU-supported option vectors */
226     SpaprOptionVector *ov5_cas;     /* negotiated (via CAS) option vectors */
227     uint32_t max_compat_pvr;
228 
229     /* Migration state */
230     int htab_save_index;
231     bool htab_first_pass;
232     int htab_fd;
233 
234     /* Pending DIMM unplug cache. It is populated when a LMB
235      * unplug starts. It can be regenerated if a migration
236      * occurs during the unplug process. */
237     QTAILQ_HEAD(, SpaprDimmState) pending_dimm_unplugs;
238 
239     /* State related to FWNMI option */
240 
241     /* System Reset and Machine Check Notification Routine addresses
242      * registered by "ibm,nmi-register" RTAS call.
243      */
244     target_ulong fwnmi_system_reset_addr;
245     target_ulong fwnmi_machine_check_addr;
246 
247     /* Machine Check FWNMI synchronization, fwnmi_machine_check_interlock is
248      * set to -1 if a FWNMI machine check is not in progress, else is set to
249      * the CPU that was delivered the machine check, and is set back to -1
250      * when that CPU makes an "ibm,nmi-interlock" RTAS call. The cond is used
251      * to synchronize other CPUs.
252      */
253     int fwnmi_machine_check_interlock;
254     QemuCond fwnmi_machine_check_interlock_cond;
255 
256     /* Set by -boot */
257     char *boot_device;
258 
259     /*< public >*/
260     char *kvm_type;
261     char *host_model;
262     char *host_serial;
263 
264     int32_t irq_map_nr;
265     unsigned long *irq_map;
266     SpaprIrq *irq;
267     qemu_irq *qirqs;
268     SpaprInterruptController *active_intc;
269     ICSState *ics;
270     SpaprXive *xive;
271 
272     bool cmd_line_caps[SPAPR_CAP_NUM];
273     SpaprCapabilities def, eff, mig;
274 
275     unsigned gpu_numa_id;
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_UNSUPPORTED_FLAG -256
368 #define H_MULTI_THREADS_ACTIVE -9005
369 
370 
371 /* Long Busy is a condition that can be returned by the firmware
372  * when a call cannot be completed now, but the identical call
373  * should be retried later.  This prevents calls blocking in the
374  * firmware for long periods of time.  Annoyingly the firmware can return
375  * a range of return codes, hinting at how long we should wait before
376  * retrying.  If you don't care for the hint, the macro below is a good
377  * way to check for the long_busy return codes
378  */
379 #define H_IS_LONG_BUSY(x)  ((x >= H_LONG_BUSY_START_RANGE) \
380                             && (x <= H_LONG_BUSY_END_RANGE))
381 
382 /* Flags */
383 #define H_LARGE_PAGE      (1ULL<<(63-16))
384 #define H_EXACT           (1ULL<<(63-24))       /* Use exact PTE or return H_PTEG_FULL */
385 #define H_R_XLATE         (1ULL<<(63-25))       /* include a valid logical page num in the pte if the valid bit is set */
386 #define H_READ_4          (1ULL<<(63-26))       /* Return 4 PTEs */
387 #define H_PAGE_STATE_CHANGE (1ULL<<(63-28))
388 #define H_PAGE_UNUSED     ((1ULL<<(63-29)) | (1ULL<<(63-30)))
389 #define H_PAGE_SET_UNUSED (H_PAGE_STATE_CHANGE | H_PAGE_UNUSED)
390 #define H_PAGE_SET_LOANED (H_PAGE_SET_UNUSED | (1ULL<<(63-31)))
391 #define H_PAGE_SET_ACTIVE H_PAGE_STATE_CHANGE
392 #define H_AVPN            (1ULL<<(63-32))       /* An avpn is provided as a sanity test */
393 #define H_ANDCOND         (1ULL<<(63-33))
394 #define H_ICACHE_INVALIDATE (1ULL<<(63-40))     /* icbi, etc.  (ignored for IO pages) */
395 #define H_ICACHE_SYNCHRONIZE (1ULL<<(63-41))    /* dcbst, icbi, etc (ignored for IO pages */
396 #define H_ZERO_PAGE       (1ULL<<(63-48))       /* zero the page before mapping (ignored for IO pages) */
397 #define H_COPY_PAGE       (1ULL<<(63-49))
398 #define H_N               (1ULL<<(63-61))
399 #define H_PP1             (1ULL<<(63-62))
400 #define H_PP2             (1ULL<<(63-63))
401 
402 /* Values for 2nd argument to H_SET_MODE */
403 #define H_SET_MODE_RESOURCE_SET_CIABR           1
404 #define H_SET_MODE_RESOURCE_SET_DAWR0           2
405 #define H_SET_MODE_RESOURCE_ADDR_TRANS_MODE     3
406 #define H_SET_MODE_RESOURCE_LE                  4
407 
408 /* Flags for H_SET_MODE_RESOURCE_LE */
409 #define H_SET_MODE_ENDIAN_BIG    0
410 #define H_SET_MODE_ENDIAN_LITTLE 1
411 
412 /* VASI States */
413 #define H_VASI_INVALID    0
414 #define H_VASI_ENABLED    1
415 #define H_VASI_ABORTED    2
416 #define H_VASI_SUSPENDING 3
417 #define H_VASI_SUSPENDED  4
418 #define H_VASI_RESUMED    5
419 #define H_VASI_COMPLETED  6
420 
421 /* DABRX flags */
422 #define H_DABRX_HYPERVISOR (1ULL<<(63-61))
423 #define H_DABRX_KERNEL     (1ULL<<(63-62))
424 #define H_DABRX_USER       (1ULL<<(63-63))
425 
426 /* Values for KVM_PPC_GET_CPU_CHAR & H_GET_CPU_CHARACTERISTICS */
427 #define H_CPU_CHAR_SPEC_BAR_ORI31               PPC_BIT(0)
428 #define H_CPU_CHAR_BCCTRL_SERIALISED            PPC_BIT(1)
429 #define H_CPU_CHAR_L1D_FLUSH_ORI30              PPC_BIT(2)
430 #define H_CPU_CHAR_L1D_FLUSH_TRIG2              PPC_BIT(3)
431 #define H_CPU_CHAR_L1D_THREAD_PRIV              PPC_BIT(4)
432 #define H_CPU_CHAR_HON_BRANCH_HINTS             PPC_BIT(5)
433 #define H_CPU_CHAR_THR_RECONF_TRIG              PPC_BIT(6)
434 #define H_CPU_CHAR_CACHE_COUNT_DIS              PPC_BIT(7)
435 #define H_CPU_CHAR_BCCTR_FLUSH_ASSIST           PPC_BIT(9)
436 
437 #define H_CPU_BEHAV_FAVOUR_SECURITY             PPC_BIT(0)
438 #define H_CPU_BEHAV_L1D_FLUSH_PR                PPC_BIT(1)
439 #define H_CPU_BEHAV_BNDS_CHK_SPEC_BAR           PPC_BIT(2)
440 #define H_CPU_BEHAV_FLUSH_COUNT_CACHE           PPC_BIT(5)
441 #define H_CPU_BEHAV_NO_L1D_FLUSH_ENTRY          PPC_BIT(7)
442 #define H_CPU_BEHAV_NO_L1D_FLUSH_UACCESS        PPC_BIT(8)
443 
444 /* Each control block has to be on a 4K boundary */
445 #define H_CB_ALIGNMENT     4096
446 
447 /* pSeries hypervisor opcodes */
448 #define H_REMOVE                0x04
449 #define H_ENTER                 0x08
450 #define H_READ                  0x0c
451 #define H_CLEAR_MOD             0x10
452 #define H_CLEAR_REF             0x14
453 #define H_PROTECT               0x18
454 #define H_GET_TCE               0x1c
455 #define H_PUT_TCE               0x20
456 #define H_SET_SPRG0             0x24
457 #define H_SET_DABR              0x28
458 #define H_PAGE_INIT             0x2c
459 #define H_SET_ASR               0x30
460 #define H_ASR_ON                0x34
461 #define H_ASR_OFF               0x38
462 #define H_LOGICAL_CI_LOAD       0x3c
463 #define H_LOGICAL_CI_STORE      0x40
464 #define H_LOGICAL_CACHE_LOAD    0x44
465 #define H_LOGICAL_CACHE_STORE   0x48
466 #define H_LOGICAL_ICBI          0x4c
467 #define H_LOGICAL_DCBF          0x50
468 #define H_GET_TERM_CHAR         0x54
469 #define H_PUT_TERM_CHAR         0x58
470 #define H_REAL_TO_LOGICAL       0x5c
471 #define H_HYPERVISOR_DATA       0x60
472 #define H_EOI                   0x64
473 #define H_CPPR                  0x68
474 #define H_IPI                   0x6c
475 #define H_IPOLL                 0x70
476 #define H_XIRR                  0x74
477 #define H_PERFMON               0x7c
478 #define H_MIGRATE_DMA           0x78
479 #define H_REGISTER_VPA          0xDC
480 #define H_CEDE                  0xE0
481 #define H_CONFER                0xE4
482 #define H_PROD                  0xE8
483 #define H_GET_PPP               0xEC
484 #define H_SET_PPP               0xF0
485 #define H_PURR                  0xF4
486 #define H_PIC                   0xF8
487 #define H_REG_CRQ               0xFC
488 #define H_FREE_CRQ              0x100
489 #define H_VIO_SIGNAL            0x104
490 #define H_SEND_CRQ              0x108
491 #define H_COPY_RDMA             0x110
492 #define H_REGISTER_LOGICAL_LAN  0x114
493 #define H_FREE_LOGICAL_LAN      0x118
494 #define H_ADD_LOGICAL_LAN_BUFFER 0x11C
495 #define H_SEND_LOGICAL_LAN      0x120
496 #define H_BULK_REMOVE           0x124
497 #define H_MULTICAST_CTRL        0x130
498 #define H_SET_XDABR             0x134
499 #define H_STUFF_TCE             0x138
500 #define H_PUT_TCE_INDIRECT      0x13C
501 #define H_CHANGE_LOGICAL_LAN_MAC 0x14C
502 #define H_VTERM_PARTNER_INFO    0x150
503 #define H_REGISTER_VTERM        0x154
504 #define H_FREE_VTERM            0x158
505 #define H_RESET_EVENTS          0x15C
506 #define H_ALLOC_RESOURCE        0x160
507 #define H_FREE_RESOURCE         0x164
508 #define H_MODIFY_QP             0x168
509 #define H_QUERY_QP              0x16C
510 #define H_REREGISTER_PMR        0x170
511 #define H_REGISTER_SMR          0x174
512 #define H_QUERY_MR              0x178
513 #define H_QUERY_MW              0x17C
514 #define H_QUERY_HCA             0x180
515 #define H_QUERY_PORT            0x184
516 #define H_MODIFY_PORT           0x188
517 #define H_DEFINE_AQP1           0x18C
518 #define H_GET_TRACE_BUFFER      0x190
519 #define H_DEFINE_AQP0           0x194
520 #define H_RESIZE_MR             0x198
521 #define H_ATTACH_MCQP           0x19C
522 #define H_DETACH_MCQP           0x1A0
523 #define H_CREATE_RPT            0x1A4
524 #define H_REMOVE_RPT            0x1A8
525 #define H_REGISTER_RPAGES       0x1AC
526 #define H_DISABLE_AND_GETC      0x1B0
527 #define H_ERROR_DATA            0x1B4
528 #define H_GET_HCA_INFO          0x1B8
529 #define H_GET_PERF_COUNT        0x1BC
530 #define H_MANAGE_TRACE          0x1C0
531 #define H_GET_CPU_CHARACTERISTICS 0x1C8
532 #define H_FREE_LOGICAL_LAN_BUFFER 0x1D4
533 #define H_QUERY_INT_STATE       0x1E4
534 #define H_POLL_PENDING          0x1D8
535 #define H_ILLAN_ATTRIBUTES      0x244
536 #define H_MODIFY_HEA_QP         0x250
537 #define H_QUERY_HEA_QP          0x254
538 #define H_QUERY_HEA             0x258
539 #define H_QUERY_HEA_PORT        0x25C
540 #define H_MODIFY_HEA_PORT       0x260
541 #define H_REG_BCMC              0x264
542 #define H_DEREG_BCMC            0x268
543 #define H_REGISTER_HEA_RPAGES   0x26C
544 #define H_DISABLE_AND_GET_HEA   0x270
545 #define H_GET_HEA_INFO          0x274
546 #define H_ALLOC_HEA_RESOURCE    0x278
547 #define H_ADD_CONN              0x284
548 #define H_DEL_CONN              0x288
549 #define H_JOIN                  0x298
550 #define H_VASI_STATE            0x2A4
551 #define H_ENABLE_CRQ            0x2B0
552 #define H_GET_EM_PARMS          0x2B8
553 #define H_SET_MPP               0x2D0
554 #define H_GET_MPP               0x2D4
555 #define H_HOME_NODE_ASSOCIATIVITY 0x2EC
556 #define H_XIRR_X                0x2FC
557 #define H_RANDOM                0x300
558 #define H_SET_MODE              0x31C
559 #define H_RESIZE_HPT_PREPARE    0x36C
560 #define H_RESIZE_HPT_COMMIT     0x370
561 #define H_CLEAN_SLB             0x374
562 #define H_INVALIDATE_PID        0x378
563 #define H_REGISTER_PROC_TBL     0x37C
564 #define H_SIGNAL_SYS_RESET      0x380
565 
566 #define H_INT_GET_SOURCE_INFO   0x3A8
567 #define H_INT_SET_SOURCE_CONFIG 0x3AC
568 #define H_INT_GET_SOURCE_CONFIG 0x3B0
569 #define H_INT_GET_QUEUE_INFO    0x3B4
570 #define H_INT_SET_QUEUE_CONFIG  0x3B8
571 #define H_INT_GET_QUEUE_CONFIG  0x3BC
572 #define H_INT_SET_OS_REPORTING_LINE 0x3C0
573 #define H_INT_GET_OS_REPORTING_LINE 0x3C4
574 #define H_INT_ESB               0x3C8
575 #define H_INT_SYNC              0x3CC
576 #define H_INT_RESET             0x3D0
577 #define H_SCM_READ_METADATA     0x3E4
578 #define H_SCM_WRITE_METADATA    0x3E8
579 #define H_SCM_BIND_MEM          0x3EC
580 #define H_SCM_UNBIND_MEM        0x3F0
581 #define H_SCM_UNBIND_ALL        0x3FC
582 #define H_SCM_HEALTH            0x400
583 #define H_RPT_INVALIDATE        0x448
584 #define H_SCM_FLUSH             0x44C
585 #define H_WATCHDOG              0x45C
586 
587 #define MAX_HCALL_OPCODE        H_WATCHDOG
588 
589 /* The hcalls above are standardized in PAPR and implemented by pHyp
590  * as well.
591  *
592  * We also need some hcalls which are specific to qemu / KVM-on-POWER.
593  * We put those into the 0xf000-0xfffc range which is reserved by PAPR
594  * for "platform-specific" hcalls.
595  */
596 #define KVMPPC_HCALL_BASE       0xf000
597 #define KVMPPC_H_RTAS           (KVMPPC_HCALL_BASE + 0x0)
598 #define KVMPPC_H_LOGICAL_MEMOP  (KVMPPC_HCALL_BASE + 0x1)
599 /* Client Architecture support */
600 #define KVMPPC_H_CAS            (KVMPPC_HCALL_BASE + 0x2)
601 #define KVMPPC_H_UPDATE_DT      (KVMPPC_HCALL_BASE + 0x3)
602 /* 0x4 was used for KVMPPC_H_UPDATE_PHANDLE in SLOF */
603 #define KVMPPC_H_VOF_CLIENT     (KVMPPC_HCALL_BASE + 0x5)
604 
605 /* Platform-specific hcalls used for nested HV KVM */
606 #define KVMPPC_H_SET_PARTITION_TABLE   (KVMPPC_HCALL_BASE + 0x800)
607 #define KVMPPC_H_ENTER_NESTED          (KVMPPC_HCALL_BASE + 0x804)
608 #define KVMPPC_H_TLB_INVALIDATE        (KVMPPC_HCALL_BASE + 0x808)
609 #define KVMPPC_H_COPY_TOFROM_GUEST     (KVMPPC_HCALL_BASE + 0x80C)
610 
611 #define KVMPPC_HCALL_MAX        KVMPPC_H_COPY_TOFROM_GUEST
612 
613 /*
614  * The hcall range 0xEF00 to 0xEF80 is reserved for use in facilitating
615  * Secure VM mode via an Ultravisor / Protected Execution Facility
616  */
617 #define SVM_HCALL_BASE              0xEF00
618 #define SVM_H_TPM_COMM              0xEF10
619 #define SVM_HCALL_MAX               SVM_H_TPM_COMM
620 
621 /*
622  * Register state for entering a nested guest with H_ENTER_NESTED.
623  * New member must be added at the end.
624  */
625 struct kvmppc_hv_guest_state {
626     uint64_t version;      /* version of this structure layout, must be first */
627     uint32_t lpid;
628     uint32_t vcpu_token;
629     /* These registers are hypervisor privileged (at least for writing) */
630     uint64_t lpcr;
631     uint64_t pcr;
632     uint64_t amor;
633     uint64_t dpdes;
634     uint64_t hfscr;
635     int64_t tb_offset;
636     uint64_t dawr0;
637     uint64_t dawrx0;
638     uint64_t ciabr;
639     uint64_t hdec_expiry;
640     uint64_t purr;
641     uint64_t spurr;
642     uint64_t ic;
643     uint64_t vtb;
644     uint64_t hdar;
645     uint64_t hdsisr;
646     uint64_t heir;
647     uint64_t asdr;
648     /* These are OS privileged but need to be set late in guest entry */
649     uint64_t srr0;
650     uint64_t srr1;
651     uint64_t sprg[4];
652     uint64_t pidr;
653     uint64_t cfar;
654     uint64_t ppr;
655     /* Version 1 ends here */
656     uint64_t dawr1;
657     uint64_t dawrx1;
658     /* Version 2 ends here */
659 };
660 
661 /* Latest version of hv_guest_state structure */
662 #define HV_GUEST_STATE_VERSION  2
663 
664 /* Linux 64-bit powerpc pt_regs struct, used by nested HV */
665 struct kvmppc_pt_regs {
666     uint64_t gpr[32];
667     uint64_t nip;
668     uint64_t msr;
669     uint64_t orig_gpr3;    /* Used for restarting system calls */
670     uint64_t ctr;
671     uint64_t link;
672     uint64_t xer;
673     uint64_t ccr;
674     uint64_t softe;        /* Soft enabled/disabled */
675     uint64_t trap;         /* Reason for being here */
676     uint64_t dar;          /* Fault registers */
677     uint64_t dsisr;        /* on 4xx/Book-E used for ESR */
678     uint64_t result;       /* Result of a system call */
679 };
680 
681 typedef struct SpaprDeviceTreeUpdateHeader {
682     uint32_t version_id;
683 } SpaprDeviceTreeUpdateHeader;
684 
685 #define hcall_dprintf(fmt, ...) \
686     do { \
687         qemu_log_mask(LOG_GUEST_ERROR, "%s: " fmt, __func__, ## __VA_ARGS__); \
688     } while (0)
689 
690 typedef target_ulong (*spapr_hcall_fn)(PowerPCCPU *cpu, SpaprMachineState *sm,
691                                        target_ulong opcode,
692                                        target_ulong *args);
693 
694 void spapr_register_hypercall(target_ulong opcode, spapr_hcall_fn fn);
695 target_ulong spapr_hypercall(PowerPCCPU *cpu, target_ulong opcode,
696                              target_ulong *args);
697 
698 void spapr_exit_nested(PowerPCCPU *cpu, int excp);
699 
700 target_ulong softmmu_resize_hpt_prepare(PowerPCCPU *cpu, SpaprMachineState *spapr,
701                                          target_ulong shift);
702 target_ulong softmmu_resize_hpt_commit(PowerPCCPU *cpu, SpaprMachineState *spapr,
703                                         target_ulong flags, target_ulong shift);
704 bool is_ram_address(SpaprMachineState *spapr, hwaddr addr);
705 void push_sregs_to_kvm_pr(SpaprMachineState *spapr);
706 
707 /* Virtual Processor Area structure constants */
708 #define VPA_MIN_SIZE           640
709 #define VPA_SIZE_OFFSET        0x4
710 #define VPA_SHARED_PROC_OFFSET 0x9
711 #define VPA_SHARED_PROC_VAL    0x2
712 #define VPA_DISPATCH_COUNTER   0x100
713 
714 /* ibm,set-eeh-option */
715 #define RTAS_EEH_DISABLE                 0
716 #define RTAS_EEH_ENABLE                  1
717 #define RTAS_EEH_THAW_IO                 2
718 #define RTAS_EEH_THAW_DMA                3
719 
720 /* ibm,get-config-addr-info2 */
721 #define RTAS_GET_PE_ADDR                 0
722 #define RTAS_GET_PE_MODE                 1
723 #define RTAS_PE_MODE_NONE                0
724 #define RTAS_PE_MODE_NOT_SHARED          1
725 #define RTAS_PE_MODE_SHARED              2
726 
727 /* ibm,read-slot-reset-state2 */
728 #define RTAS_EEH_PE_STATE_NORMAL         0
729 #define RTAS_EEH_PE_STATE_RESET          1
730 #define RTAS_EEH_PE_STATE_STOPPED_IO_DMA 2
731 #define RTAS_EEH_PE_STATE_STOPPED_DMA    4
732 #define RTAS_EEH_PE_STATE_UNAVAIL        5
733 #define RTAS_EEH_NOT_SUPPORT             0
734 #define RTAS_EEH_SUPPORT                 1
735 #define RTAS_EEH_PE_UNAVAIL_INFO         1000
736 #define RTAS_EEH_PE_RECOVER_INFO         0
737 
738 /* ibm,set-slot-reset */
739 #define RTAS_SLOT_RESET_DEACTIVATE       0
740 #define RTAS_SLOT_RESET_HOT              1
741 #define RTAS_SLOT_RESET_FUNDAMENTAL      3
742 
743 /* ibm,slot-error-detail */
744 #define RTAS_SLOT_TEMP_ERR_LOG           1
745 #define RTAS_SLOT_PERM_ERR_LOG           2
746 
747 /* RTAS return codes */
748 #define RTAS_OUT_SUCCESS                        0
749 #define RTAS_OUT_NO_ERRORS_FOUND                1
750 #define RTAS_OUT_HW_ERROR                       -1
751 #define RTAS_OUT_BUSY                           -2
752 #define RTAS_OUT_PARAM_ERROR                    -3
753 #define RTAS_OUT_NOT_SUPPORTED                  -3
754 #define RTAS_OUT_NO_SUCH_INDICATOR              -3
755 #define RTAS_OUT_NOT_AUTHORIZED                 -9002
756 #define RTAS_OUT_SYSPARM_PARAM_ERROR            -9999
757 
758 /* DDW pagesize mask values from ibm,query-pe-dma-window */
759 #define RTAS_DDW_PGSIZE_4K       0x01
760 #define RTAS_DDW_PGSIZE_64K      0x02
761 #define RTAS_DDW_PGSIZE_16M      0x04
762 #define RTAS_DDW_PGSIZE_32M      0x08
763 #define RTAS_DDW_PGSIZE_64M      0x10
764 #define RTAS_DDW_PGSIZE_128M     0x20
765 #define RTAS_DDW_PGSIZE_256M     0x40
766 #define RTAS_DDW_PGSIZE_16G      0x80
767 #define RTAS_DDW_PGSIZE_2M       0x100
768 
769 /* RTAS tokens */
770 #define RTAS_TOKEN_BASE      0x2000
771 
772 #define RTAS_DISPLAY_CHARACTER                  (RTAS_TOKEN_BASE + 0x00)
773 #define RTAS_GET_TIME_OF_DAY                    (RTAS_TOKEN_BASE + 0x01)
774 #define RTAS_SET_TIME_OF_DAY                    (RTAS_TOKEN_BASE + 0x02)
775 #define RTAS_POWER_OFF                          (RTAS_TOKEN_BASE + 0x03)
776 #define RTAS_SYSTEM_REBOOT                      (RTAS_TOKEN_BASE + 0x04)
777 #define RTAS_QUERY_CPU_STOPPED_STATE            (RTAS_TOKEN_BASE + 0x05)
778 #define RTAS_START_CPU                          (RTAS_TOKEN_BASE + 0x06)
779 #define RTAS_STOP_SELF                          (RTAS_TOKEN_BASE + 0x07)
780 #define RTAS_IBM_GET_SYSTEM_PARAMETER           (RTAS_TOKEN_BASE + 0x08)
781 #define RTAS_IBM_SET_SYSTEM_PARAMETER           (RTAS_TOKEN_BASE + 0x09)
782 #define RTAS_IBM_SET_XIVE                       (RTAS_TOKEN_BASE + 0x0A)
783 #define RTAS_IBM_GET_XIVE                       (RTAS_TOKEN_BASE + 0x0B)
784 #define RTAS_IBM_INT_OFF                        (RTAS_TOKEN_BASE + 0x0C)
785 #define RTAS_IBM_INT_ON                         (RTAS_TOKEN_BASE + 0x0D)
786 #define RTAS_CHECK_EXCEPTION                    (RTAS_TOKEN_BASE + 0x0E)
787 #define RTAS_EVENT_SCAN                         (RTAS_TOKEN_BASE + 0x0F)
788 #define RTAS_IBM_SET_TCE_BYPASS                 (RTAS_TOKEN_BASE + 0x10)
789 #define RTAS_QUIESCE                            (RTAS_TOKEN_BASE + 0x11)
790 #define RTAS_NVRAM_FETCH                        (RTAS_TOKEN_BASE + 0x12)
791 #define RTAS_NVRAM_STORE                        (RTAS_TOKEN_BASE + 0x13)
792 #define RTAS_READ_PCI_CONFIG                    (RTAS_TOKEN_BASE + 0x14)
793 #define RTAS_WRITE_PCI_CONFIG                   (RTAS_TOKEN_BASE + 0x15)
794 #define RTAS_IBM_READ_PCI_CONFIG                (RTAS_TOKEN_BASE + 0x16)
795 #define RTAS_IBM_WRITE_PCI_CONFIG               (RTAS_TOKEN_BASE + 0x17)
796 #define RTAS_IBM_QUERY_INTERRUPT_SOURCE_NUMBER  (RTAS_TOKEN_BASE + 0x18)
797 #define RTAS_IBM_CHANGE_MSI                     (RTAS_TOKEN_BASE + 0x19)
798 #define RTAS_SET_INDICATOR                      (RTAS_TOKEN_BASE + 0x1A)
799 #define RTAS_SET_POWER_LEVEL                    (RTAS_TOKEN_BASE + 0x1B)
800 #define RTAS_GET_POWER_LEVEL                    (RTAS_TOKEN_BASE + 0x1C)
801 #define RTAS_GET_SENSOR_STATE                   (RTAS_TOKEN_BASE + 0x1D)
802 #define RTAS_IBM_CONFIGURE_CONNECTOR            (RTAS_TOKEN_BASE + 0x1E)
803 #define RTAS_IBM_OS_TERM                        (RTAS_TOKEN_BASE + 0x1F)
804 #define RTAS_IBM_SET_EEH_OPTION                 (RTAS_TOKEN_BASE + 0x20)
805 #define RTAS_IBM_GET_CONFIG_ADDR_INFO2          (RTAS_TOKEN_BASE + 0x21)
806 #define RTAS_IBM_READ_SLOT_RESET_STATE2         (RTAS_TOKEN_BASE + 0x22)
807 #define RTAS_IBM_SET_SLOT_RESET                 (RTAS_TOKEN_BASE + 0x23)
808 #define RTAS_IBM_CONFIGURE_PE                   (RTAS_TOKEN_BASE + 0x24)
809 #define RTAS_IBM_SLOT_ERROR_DETAIL              (RTAS_TOKEN_BASE + 0x25)
810 #define RTAS_IBM_QUERY_PE_DMA_WINDOW            (RTAS_TOKEN_BASE + 0x26)
811 #define RTAS_IBM_CREATE_PE_DMA_WINDOW           (RTAS_TOKEN_BASE + 0x27)
812 #define RTAS_IBM_REMOVE_PE_DMA_WINDOW           (RTAS_TOKEN_BASE + 0x28)
813 #define RTAS_IBM_RESET_PE_DMA_WINDOW            (RTAS_TOKEN_BASE + 0x29)
814 #define RTAS_IBM_SUSPEND_ME                     (RTAS_TOKEN_BASE + 0x2A)
815 #define RTAS_IBM_NMI_REGISTER                   (RTAS_TOKEN_BASE + 0x2B)
816 #define RTAS_IBM_NMI_INTERLOCK                  (RTAS_TOKEN_BASE + 0x2C)
817 
818 #define RTAS_TOKEN_MAX                          (RTAS_TOKEN_BASE + 0x2D)
819 
820 /* RTAS ibm,get-system-parameter token values */
821 #define RTAS_SYSPARM_SPLPAR_CHARACTERISTICS      20
822 #define RTAS_SYSPARM_DIAGNOSTICS_RUN_MODE        42
823 #define RTAS_SYSPARM_UUID                        48
824 
825 /* RTAS indicator/sensor types
826  *
827  * as defined by PAPR+ 2.7 7.3.5.4, Table 41
828  *
829  * NOTE: currently only DR-related sensors are implemented here
830  */
831 #define RTAS_SENSOR_TYPE_ISOLATION_STATE        9001
832 #define RTAS_SENSOR_TYPE_DR                     9002
833 #define RTAS_SENSOR_TYPE_ALLOCATION_STATE       9003
834 #define RTAS_SENSOR_TYPE_ENTITY_SENSE RTAS_SENSOR_TYPE_ALLOCATION_STATE
835 
836 /* Possible values for the platform-processor-diagnostics-run-mode parameter
837  * of the RTAS ibm,get-system-parameter call.
838  */
839 #define DIAGNOSTICS_RUN_MODE_DISABLED  0
840 #define DIAGNOSTICS_RUN_MODE_STAGGERED 1
841 #define DIAGNOSTICS_RUN_MODE_IMMEDIATE 2
842 #define DIAGNOSTICS_RUN_MODE_PERIODIC  3
843 
844 static inline uint64_t ppc64_phys_to_real(uint64_t addr)
845 {
846     return addr & ~0xF000000000000000ULL;
847 }
848 
849 static inline uint32_t rtas_ld(target_ulong phys, int n)
850 {
851     return ldl_be_phys(&address_space_memory, ppc64_phys_to_real(phys + 4*n));
852 }
853 
854 static inline uint64_t rtas_ldq(target_ulong phys, int n)
855 {
856     return (uint64_t)rtas_ld(phys, n) << 32 | rtas_ld(phys, n + 1);
857 }
858 
859 static inline void rtas_st(target_ulong phys, int n, uint32_t val)
860 {
861     stl_be_phys(&address_space_memory, ppc64_phys_to_real(phys + 4*n), val);
862 }
863 
864 typedef void (*spapr_rtas_fn)(PowerPCCPU *cpu, SpaprMachineState *sm,
865                               uint32_t token,
866                               uint32_t nargs, target_ulong args,
867                               uint32_t nret, target_ulong rets);
868 void spapr_rtas_register(int token, const char *name, spapr_rtas_fn fn);
869 target_ulong spapr_rtas_call(PowerPCCPU *cpu, SpaprMachineState *sm,
870                              uint32_t token, uint32_t nargs, target_ulong args,
871                              uint32_t nret, target_ulong rets);
872 void spapr_dt_rtas_tokens(void *fdt, int rtas);
873 void spapr_load_rtas(SpaprMachineState *spapr, void *fdt, hwaddr addr);
874 
875 #define SPAPR_TCE_PAGE_SHIFT   12
876 #define SPAPR_TCE_PAGE_SIZE    (1ULL << SPAPR_TCE_PAGE_SHIFT)
877 #define SPAPR_TCE_PAGE_MASK    (SPAPR_TCE_PAGE_SIZE - 1)
878 
879 #define SPAPR_VIO_BASE_LIOBN    0x00000000
880 #define SPAPR_VIO_LIOBN(reg)    (0x00000000 | (reg))
881 #define SPAPR_PCI_LIOBN(phb_index, window_num) \
882     (0x80000000 | ((phb_index) << 8) | (window_num))
883 #define SPAPR_IS_PCI_LIOBN(liobn)   (!!((liobn) & 0x80000000))
884 #define SPAPR_PCI_DMA_WINDOW_NUM(liobn) ((liobn) & 0xff)
885 
886 #define RTAS_MIN_SIZE           20 /* hv_rtas_size in SLOF */
887 #define RTAS_ERROR_LOG_MAX      2048
888 
889 /* Offset from rtas-base where error log is placed */
890 #define RTAS_ERROR_LOG_OFFSET       0x30
891 
892 #define RTAS_EVENT_SCAN_RATE    1
893 
894 /* This helper should be used to encode interrupt specifiers when the related
895  * "interrupt-controller" node has its "#interrupt-cells" property set to 2 (ie,
896  * VIO devices, RTAS event sources and PHBs).
897  */
898 static inline void spapr_dt_irq(uint32_t *intspec, int irq, bool is_lsi)
899 {
900     intspec[0] = cpu_to_be32(irq);
901     intspec[1] = is_lsi ? cpu_to_be32(1) : 0;
902 }
903 
904 
905 #define TYPE_SPAPR_TCE_TABLE "spapr-tce-table"
906 OBJECT_DECLARE_SIMPLE_TYPE(SpaprTceTable, SPAPR_TCE_TABLE)
907 
908 #define TYPE_SPAPR_IOMMU_MEMORY_REGION "spapr-iommu-memory-region"
909 DECLARE_INSTANCE_CHECKER(IOMMUMemoryRegion, SPAPR_IOMMU_MEMORY_REGION,
910                          TYPE_SPAPR_IOMMU_MEMORY_REGION)
911 
912 struct SpaprTceTable {
913     DeviceState parent;
914     uint32_t liobn;
915     uint32_t nb_table;
916     uint64_t bus_offset;
917     uint32_t page_shift;
918     uint64_t *table;
919     uint32_t mig_nb_table;
920     uint64_t *mig_table;
921     bool bypass;
922     bool need_vfio;
923     bool skipping_replay;
924     bool def_win;
925     int fd;
926     MemoryRegion root;
927     IOMMUMemoryRegion iommu;
928     struct SpaprVioDevice *vdev; /* for @bypass migration compatibility only */
929     QLIST_ENTRY(SpaprTceTable) list;
930 };
931 
932 SpaprTceTable *spapr_tce_find_by_liobn(target_ulong liobn);
933 
934 struct SpaprEventLogEntry {
935     uint32_t summary;
936     uint32_t extended_length;
937     void *extended_log;
938     QTAILQ_ENTRY(SpaprEventLogEntry) next;
939 };
940 
941 void *spapr_build_fdt(SpaprMachineState *spapr, bool reset, size_t space);
942 void spapr_events_init(SpaprMachineState *sm);
943 void spapr_dt_events(SpaprMachineState *sm, void *fdt);
944 void close_htab_fd(SpaprMachineState *spapr);
945 void spapr_setup_hpt(SpaprMachineState *spapr);
946 void spapr_free_hpt(SpaprMachineState *spapr);
947 void spapr_check_mmu_mode(bool guest_radix);
948 SpaprTceTable *spapr_tce_new_table(DeviceState *owner, uint32_t liobn);
949 void spapr_tce_table_enable(SpaprTceTable *tcet,
950                             uint32_t page_shift, uint64_t bus_offset,
951                             uint32_t nb_table);
952 void spapr_tce_table_disable(SpaprTceTable *tcet);
953 void spapr_tce_set_need_vfio(SpaprTceTable *tcet, bool need_vfio);
954 
955 MemoryRegion *spapr_tce_get_iommu(SpaprTceTable *tcet);
956 int spapr_dma_dt(void *fdt, int node_off, const char *propname,
957                  uint32_t liobn, uint64_t window, uint32_t size);
958 int spapr_tcet_dma_dt(void *fdt, int node_off, const char *propname,
959                       SpaprTceTable *tcet);
960 void spapr_pci_switch_vga(SpaprMachineState *spapr, bool big_endian);
961 void spapr_hotplug_req_add_by_index(SpaprDrc *drc);
962 void spapr_hotplug_req_remove_by_index(SpaprDrc *drc);
963 void spapr_hotplug_req_add_by_count(SpaprDrcType drc_type,
964                                        uint32_t count);
965 void spapr_hotplug_req_remove_by_count(SpaprDrcType drc_type,
966                                           uint32_t count);
967 void spapr_hotplug_req_add_by_count_indexed(SpaprDrcType drc_type,
968                                             uint32_t count, uint32_t index);
969 void spapr_hotplug_req_remove_by_count_indexed(SpaprDrcType drc_type,
970                                                uint32_t count, uint32_t index);
971 int spapr_hpt_shift_for_ramsize(uint64_t ramsize);
972 int spapr_reallocate_hpt(SpaprMachineState *spapr, int shift, Error **errp);
973 void spapr_clear_pending_events(SpaprMachineState *spapr);
974 void spapr_clear_pending_hotplug_events(SpaprMachineState *spapr);
975 void spapr_memory_unplug_rollback(SpaprMachineState *spapr, DeviceState *dev);
976 int spapr_max_server_number(SpaprMachineState *spapr);
977 void spapr_store_hpte(PowerPCCPU *cpu, hwaddr ptex,
978                       uint64_t pte0, uint64_t pte1);
979 void spapr_mce_req_event(PowerPCCPU *cpu, bool recovered);
980 
981 /* DRC callbacks. */
982 void spapr_core_release(DeviceState *dev);
983 int spapr_core_dt_populate(SpaprDrc *drc, SpaprMachineState *spapr,
984                            void *fdt, int *fdt_start_offset, Error **errp);
985 void spapr_lmb_release(DeviceState *dev);
986 int spapr_lmb_dt_populate(SpaprDrc *drc, SpaprMachineState *spapr,
987                           void *fdt, int *fdt_start_offset, Error **errp);
988 void spapr_phb_release(DeviceState *dev);
989 int spapr_phb_dt_populate(SpaprDrc *drc, SpaprMachineState *spapr,
990                           void *fdt, int *fdt_start_offset, Error **errp);
991 
992 void spapr_rtc_read(SpaprRtcState *rtc, struct tm *tm, uint32_t *ns);
993 int spapr_rtc_import_offset(SpaprRtcState *rtc, int64_t legacy_offset);
994 
995 #define TYPE_SPAPR_RNG "spapr-rng"
996 
997 #define SPAPR_MEMORY_BLOCK_SIZE ((hwaddr)1 << 28) /* 256MB */
998 
999 /*
1000  * This defines the maximum number of DIMM slots we can have for sPAPR
1001  * guest. This is not defined by sPAPR but we are defining it to 32 slots
1002  * based on default number of slots provided by PowerPC kernel.
1003  */
1004 #define SPAPR_MAX_RAM_SLOTS     32
1005 
1006 /* 1GB alignment for hotplug memory region */
1007 #define SPAPR_DEVICE_MEM_ALIGN (1 * GiB)
1008 
1009 /*
1010  * Number of 32 bit words in each LMB list entry in ibm,dynamic-memory
1011  * property under ibm,dynamic-reconfiguration-memory node.
1012  */
1013 #define SPAPR_DR_LMB_LIST_ENTRY_SIZE 6
1014 
1015 /*
1016  * Defines for flag value in ibm,dynamic-memory property under
1017  * ibm,dynamic-reconfiguration-memory node.
1018  */
1019 #define SPAPR_LMB_FLAGS_ASSIGNED 0x00000008
1020 #define SPAPR_LMB_FLAGS_DRC_INVALID 0x00000020
1021 #define SPAPR_LMB_FLAGS_RESERVED 0x00000080
1022 #define SPAPR_LMB_FLAGS_HOTREMOVABLE 0x00000100
1023 
1024 void spapr_do_system_reset_on_cpu(CPUState *cs, run_on_cpu_data arg);
1025 
1026 #define HTAB_SIZE(spapr)        (1ULL << ((spapr)->htab_shift))
1027 
1028 int spapr_get_vcpu_id(PowerPCCPU *cpu);
1029 bool spapr_set_vcpu_id(PowerPCCPU *cpu, int cpu_index, Error **errp);
1030 PowerPCCPU *spapr_find_cpu(int vcpu_id);
1031 
1032 int spapr_caps_pre_load(void *opaque);
1033 int spapr_caps_pre_save(void *opaque);
1034 
1035 /*
1036  * Handling of optional capabilities
1037  */
1038 extern const VMStateDescription vmstate_spapr_cap_htm;
1039 extern const VMStateDescription vmstate_spapr_cap_vsx;
1040 extern const VMStateDescription vmstate_spapr_cap_dfp;
1041 extern const VMStateDescription vmstate_spapr_cap_cfpc;
1042 extern const VMStateDescription vmstate_spapr_cap_sbbc;
1043 extern const VMStateDescription vmstate_spapr_cap_ibs;
1044 extern const VMStateDescription vmstate_spapr_cap_hpt_maxpagesize;
1045 extern const VMStateDescription vmstate_spapr_cap_nested_kvm_hv;
1046 extern const VMStateDescription vmstate_spapr_cap_large_decr;
1047 extern const VMStateDescription vmstate_spapr_cap_ccf_assist;
1048 extern const VMStateDescription vmstate_spapr_cap_fwnmi;
1049 extern const VMStateDescription vmstate_spapr_cap_rpt_invalidate;
1050 extern const VMStateDescription vmstate_spapr_wdt;
1051 
1052 static inline uint8_t spapr_get_cap(SpaprMachineState *spapr, int cap)
1053 {
1054     return spapr->eff.caps[cap];
1055 }
1056 
1057 void spapr_caps_init(SpaprMachineState *spapr);
1058 void spapr_caps_apply(SpaprMachineState *spapr);
1059 void spapr_caps_cpu_apply(SpaprMachineState *spapr, PowerPCCPU *cpu);
1060 void spapr_caps_add_properties(SpaprMachineClass *smc);
1061 int spapr_caps_post_migration(SpaprMachineState *spapr);
1062 
1063 bool spapr_check_pagesize(SpaprMachineState *spapr, hwaddr pagesize,
1064                           Error **errp);
1065 /*
1066  * XIVE definitions
1067  */
1068 #define SPAPR_OV5_XIVE_LEGACY   0x0
1069 #define SPAPR_OV5_XIVE_EXPLOIT  0x40
1070 #define SPAPR_OV5_XIVE_BOTH     0x80 /* Only to advertise on the platform */
1071 
1072 void spapr_set_all_lpcrs(target_ulong value, target_ulong mask);
1073 hwaddr spapr_get_rtas_addr(void);
1074 bool spapr_memory_hot_unplug_supported(SpaprMachineState *spapr);
1075 
1076 void spapr_vof_reset(SpaprMachineState *spapr, void *fdt, Error **errp);
1077 void spapr_vof_quiesce(MachineState *ms);
1078 bool spapr_vof_setprop(MachineState *ms, const char *path, const char *propname,
1079                        void *val, int vallen);
1080 target_ulong spapr_h_vof_client(PowerPCCPU *cpu, SpaprMachineState *spapr,
1081                                 target_ulong opcode, target_ulong *args);
1082 target_ulong spapr_vof_client_architecture_support(MachineState *ms,
1083                                                    CPUState *cs,
1084                                                    target_ulong ovec_addr);
1085 void spapr_vof_client_dt_finalize(SpaprMachineState *spapr, void *fdt);
1086 
1087 /* H_WATCHDOG */
1088 void spapr_watchdog_init(SpaprMachineState *spapr);
1089 
1090 #endif /* HW_SPAPR_H */
1091