xref: /openbmc/qemu/include/hw/ppc/spapr.h (revision 10df8ff1)
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 "hw/ppc/spapr_xive.h"  /* For sPAPRXive */
12 #include "hw/ppc/xics.h"        /* For ICSState */
13 
14 struct VIOsPAPRBus;
15 struct sPAPRPHBState;
16 struct sPAPRNVRAM;
17 
18 typedef struct sPAPREventLogEntry sPAPREventLogEntry;
19 typedef struct sPAPREventSource sPAPREventSource;
20 typedef struct sPAPRPendingHPT sPAPRPendingHPT;
21 
22 #define HPTE64_V_HPTE_DIRTY     0x0000000000000040ULL
23 #define SPAPR_ENTRY_POINT       0x100
24 
25 #define SPAPR_TIMEBASE_FREQ     512000000ULL
26 
27 #define TYPE_SPAPR_RTC "spapr-rtc"
28 
29 #define SPAPR_RTC(obj)                                  \
30     OBJECT_CHECK(sPAPRRTCState, (obj), TYPE_SPAPR_RTC)
31 
32 typedef struct sPAPRRTCState sPAPRRTCState;
33 struct sPAPRRTCState {
34     /*< private >*/
35     DeviceState parent_obj;
36     int64_t ns_offset;
37 };
38 
39 typedef struct sPAPRDIMMState sPAPRDIMMState;
40 typedef struct sPAPRMachineClass sPAPRMachineClass;
41 
42 #define TYPE_SPAPR_MACHINE      "spapr-machine"
43 #define SPAPR_MACHINE(obj) \
44     OBJECT_CHECK(sPAPRMachineState, (obj), TYPE_SPAPR_MACHINE)
45 #define SPAPR_MACHINE_GET_CLASS(obj) \
46     OBJECT_GET_CLASS(sPAPRMachineClass, obj, TYPE_SPAPR_MACHINE)
47 #define SPAPR_MACHINE_CLASS(klass) \
48     OBJECT_CLASS_CHECK(sPAPRMachineClass, klass, TYPE_SPAPR_MACHINE)
49 
50 typedef enum {
51     SPAPR_RESIZE_HPT_DEFAULT = 0,
52     SPAPR_RESIZE_HPT_DISABLED,
53     SPAPR_RESIZE_HPT_ENABLED,
54     SPAPR_RESIZE_HPT_REQUIRED,
55 } sPAPRResizeHPT;
56 
57 /**
58  * Capabilities
59  */
60 
61 /* Hardware Transactional Memory */
62 #define SPAPR_CAP_HTM                   0x00
63 /* Vector Scalar Extensions */
64 #define SPAPR_CAP_VSX                   0x01
65 /* Decimal Floating Point */
66 #define SPAPR_CAP_DFP                   0x02
67 /* Cache Flush on Privilege Change */
68 #define SPAPR_CAP_CFPC                  0x03
69 /* Speculation Barrier Bounds Checking */
70 #define SPAPR_CAP_SBBC                  0x04
71 /* Indirect Branch Serialisation */
72 #define SPAPR_CAP_IBS                   0x05
73 /* HPT Maximum Page Size (encoded as a shift) */
74 #define SPAPR_CAP_HPT_MAXPAGESIZE       0x06
75 /* Nested KVM-HV */
76 #define SPAPR_CAP_NESTED_KVM_HV         0x07
77 /* Num Caps */
78 #define SPAPR_CAP_NUM                   (SPAPR_CAP_NESTED_KVM_HV + 1)
79 
80 /*
81  * Capability Values
82  */
83 /* Bool Caps */
84 #define SPAPR_CAP_OFF                   0x00
85 #define SPAPR_CAP_ON                    0x01
86 /* Custom Caps */
87 #define SPAPR_CAP_BROKEN                0x00
88 #define SPAPR_CAP_WORKAROUND            0x01
89 #define SPAPR_CAP_FIXED                 0x02
90 #define SPAPR_CAP_FIXED_IBS             0x02
91 #define SPAPR_CAP_FIXED_CCD             0x03
92 
93 typedef struct sPAPRCapabilities sPAPRCapabilities;
94 struct sPAPRCapabilities {
95     uint8_t caps[SPAPR_CAP_NUM];
96 };
97 
98 /**
99  * sPAPRMachineClass:
100  */
101 struct sPAPRMachineClass {
102     /*< private >*/
103     MachineClass parent_class;
104 
105     /*< public >*/
106     bool dr_lmb_enabled;       /* enable dynamic-reconfig/hotplug of LMBs */
107     bool update_dt_enabled;    /* enable KVMPPC_H_UPDATE_DT */
108     bool use_ohci_by_default;  /* use USB-OHCI instead of XHCI */
109     bool pre_2_10_has_unused_icps;
110     bool legacy_irq_allocation;
111 
112     void (*phb_placement)(sPAPRMachineState *spapr, uint32_t index,
113                           uint64_t *buid, hwaddr *pio,
114                           hwaddr *mmio32, hwaddr *mmio64,
115                           unsigned n_dma, uint32_t *liobns, Error **errp);
116     sPAPRResizeHPT resize_hpt_default;
117     sPAPRCapabilities default_caps;
118     sPAPRIrq *irq;
119 };
120 
121 /**
122  * sPAPRMachineState:
123  */
124 struct sPAPRMachineState {
125     /*< private >*/
126     MachineState parent_obj;
127 
128     struct VIOsPAPRBus *vio_bus;
129     QLIST_HEAD(, sPAPRPHBState) phbs;
130     struct sPAPRNVRAM *nvram;
131     ICSState *ics;
132     sPAPRRTCState rtc;
133 
134     sPAPRResizeHPT resize_hpt;
135     void *htab;
136     uint32_t htab_shift;
137     uint64_t patb_entry; /* Process tbl registed in H_REGISTER_PROCESS_TABLE */
138     sPAPRPendingHPT *pending_hpt; /* in-progress resize */
139 
140     hwaddr rma_size;
141     int vrma_adjust;
142     ssize_t rtas_size;
143     void *rtas_blob;
144     uint32_t fdt_size;
145     uint32_t fdt_initial_size;
146     void *fdt_blob;
147     long kernel_size;
148     bool kernel_le;
149     uint32_t initrd_base;
150     long initrd_size;
151     uint64_t rtc_offset; /* Now used only during incoming migration */
152     struct PPCTimebase tb;
153     bool has_graphics;
154     uint32_t vsmt;       /* Virtual SMT mode (KVM's "core stride") */
155 
156     Notifier epow_notifier;
157     QTAILQ_HEAD(, sPAPREventLogEntry) pending_events;
158     bool use_hotplug_event_source;
159     sPAPREventSource *event_sources;
160 
161     /* ibm,client-architecture-support option negotiation */
162     bool cas_reboot;
163     bool cas_legacy_guest_workaround;
164     sPAPROptionVector *ov5;         /* QEMU-supported option vectors */
165     sPAPROptionVector *ov5_cas;     /* negotiated (via CAS) option vectors */
166     uint32_t max_compat_pvr;
167 
168     /* Migration state */
169     int htab_save_index;
170     bool htab_first_pass;
171     int htab_fd;
172 
173     /* Pending DIMM unplug cache. It is populated when a LMB
174      * unplug starts. It can be regenerated if a migration
175      * occurs during the unplug process. */
176     QTAILQ_HEAD(, sPAPRDIMMState) pending_dimm_unplugs;
177 
178     /*< public >*/
179     char *kvm_type;
180 
181     const char *icp_type;
182     int32_t irq_map_nr;
183     unsigned long *irq_map;
184     sPAPRXive  *xive;
185     sPAPRIrq *irq;
186     qemu_irq *qirqs;
187 
188     bool cmd_line_caps[SPAPR_CAP_NUM];
189     sPAPRCapabilities def, eff, mig;
190 };
191 
192 #define H_SUCCESS         0
193 #define H_BUSY            1        /* Hardware busy -- retry later */
194 #define H_CLOSED          2        /* Resource closed */
195 #define H_NOT_AVAILABLE   3
196 #define H_CONSTRAINED     4        /* Resource request constrained to max allowed */
197 #define H_PARTIAL         5
198 #define H_IN_PROGRESS     14       /* Kind of like busy */
199 #define H_PAGE_REGISTERED 15
200 #define H_PARTIAL_STORE   16
201 #define H_PENDING         17       /* returned from H_POLL_PENDING */
202 #define H_CONTINUE        18       /* Returned from H_Join on success */
203 #define H_LONG_BUSY_START_RANGE         9900  /* Start of long busy range */
204 #define H_LONG_BUSY_ORDER_1_MSEC        9900  /* Long busy, hint that 1msec \
205                                                  is a good time to retry */
206 #define H_LONG_BUSY_ORDER_10_MSEC       9901  /* Long busy, hint that 10msec \
207                                                  is a good time to retry */
208 #define H_LONG_BUSY_ORDER_100_MSEC      9902  /* Long busy, hint that 100msec \
209                                                  is a good time to retry */
210 #define H_LONG_BUSY_ORDER_1_SEC         9903  /* Long busy, hint that 1sec \
211                                                  is a good time to retry */
212 #define H_LONG_BUSY_ORDER_10_SEC        9904  /* Long busy, hint that 10sec \
213                                                  is a good time to retry */
214 #define H_LONG_BUSY_ORDER_100_SEC       9905  /* Long busy, hint that 100sec \
215                                                  is a good time to retry */
216 #define H_LONG_BUSY_END_RANGE           9905  /* End of long busy range */
217 #define H_HARDWARE        -1       /* Hardware error */
218 #define H_FUNCTION        -2       /* Function not supported */
219 #define H_PRIVILEGE       -3       /* Caller not privileged */
220 #define H_PARAMETER       -4       /* Parameter invalid, out-of-range or conflicting */
221 #define H_BAD_MODE        -5       /* Illegal msr value */
222 #define H_PTEG_FULL       -6       /* PTEG is full */
223 #define H_NOT_FOUND       -7       /* PTE was not found" */
224 #define H_RESERVED_DABR   -8       /* DABR address is reserved by the hypervisor on this processor" */
225 #define H_NO_MEM          -9
226 #define H_AUTHORITY       -10
227 #define H_PERMISSION      -11
228 #define H_DROPPED         -12
229 #define H_SOURCE_PARM     -13
230 #define H_DEST_PARM       -14
231 #define H_REMOTE_PARM     -15
232 #define H_RESOURCE        -16
233 #define H_ADAPTER_PARM    -17
234 #define H_RH_PARM         -18
235 #define H_RCQ_PARM        -19
236 #define H_SCQ_PARM        -20
237 #define H_EQ_PARM         -21
238 #define H_RT_PARM         -22
239 #define H_ST_PARM         -23
240 #define H_SIGT_PARM       -24
241 #define H_TOKEN_PARM      -25
242 #define H_MLENGTH_PARM    -27
243 #define H_MEM_PARM        -28
244 #define H_MEM_ACCESS_PARM -29
245 #define H_ATTR_PARM       -30
246 #define H_PORT_PARM       -31
247 #define H_MCG_PARM        -32
248 #define H_VL_PARM         -33
249 #define H_TSIZE_PARM      -34
250 #define H_TRACE_PARM      -35
251 
252 #define H_MASK_PARM       -37
253 #define H_MCG_FULL        -38
254 #define H_ALIAS_EXIST     -39
255 #define H_P_COUNTER       -40
256 #define H_TABLE_FULL      -41
257 #define H_ALT_TABLE       -42
258 #define H_MR_CONDITION    -43
259 #define H_NOT_ENOUGH_RESOURCES -44
260 #define H_R_STATE         -45
261 #define H_RESCINDEND      -46
262 #define H_P2              -55
263 #define H_P3              -56
264 #define H_P4              -57
265 #define H_P5              -58
266 #define H_P6              -59
267 #define H_P7              -60
268 #define H_P8              -61
269 #define H_P9              -62
270 #define H_UNSUPPORTED_FLAG -256
271 #define H_MULTI_THREADS_ACTIVE -9005
272 
273 
274 /* Long Busy is a condition that can be returned by the firmware
275  * when a call cannot be completed now, but the identical call
276  * should be retried later.  This prevents calls blocking in the
277  * firmware for long periods of time.  Annoyingly the firmware can return
278  * a range of return codes, hinting at how long we should wait before
279  * retrying.  If you don't care for the hint, the macro below is a good
280  * way to check for the long_busy return codes
281  */
282 #define H_IS_LONG_BUSY(x)  ((x >= H_LONG_BUSY_START_RANGE) \
283                             && (x <= H_LONG_BUSY_END_RANGE))
284 
285 /* Flags */
286 #define H_LARGE_PAGE      (1ULL<<(63-16))
287 #define H_EXACT           (1ULL<<(63-24))       /* Use exact PTE or return H_PTEG_FULL */
288 #define H_R_XLATE         (1ULL<<(63-25))       /* include a valid logical page num in the pte if the valid bit is set */
289 #define H_READ_4          (1ULL<<(63-26))       /* Return 4 PTEs */
290 #define H_PAGE_STATE_CHANGE (1ULL<<(63-28))
291 #define H_PAGE_UNUSED     ((1ULL<<(63-29)) | (1ULL<<(63-30)))
292 #define H_PAGE_SET_UNUSED (H_PAGE_STATE_CHANGE | H_PAGE_UNUSED)
293 #define H_PAGE_SET_LOANED (H_PAGE_SET_UNUSED | (1ULL<<(63-31)))
294 #define H_PAGE_SET_ACTIVE H_PAGE_STATE_CHANGE
295 #define H_AVPN            (1ULL<<(63-32))       /* An avpn is provided as a sanity test */
296 #define H_ANDCOND         (1ULL<<(63-33))
297 #define H_ICACHE_INVALIDATE (1ULL<<(63-40))     /* icbi, etc.  (ignored for IO pages) */
298 #define H_ICACHE_SYNCHRONIZE (1ULL<<(63-41))    /* dcbst, icbi, etc (ignored for IO pages */
299 #define H_ZERO_PAGE       (1ULL<<(63-48))       /* zero the page before mapping (ignored for IO pages) */
300 #define H_COPY_PAGE       (1ULL<<(63-49))
301 #define H_N               (1ULL<<(63-61))
302 #define H_PP1             (1ULL<<(63-62))
303 #define H_PP2             (1ULL<<(63-63))
304 
305 /* Values for 2nd argument to H_SET_MODE */
306 #define H_SET_MODE_RESOURCE_SET_CIABR           1
307 #define H_SET_MODE_RESOURCE_SET_DAWR            2
308 #define H_SET_MODE_RESOURCE_ADDR_TRANS_MODE     3
309 #define H_SET_MODE_RESOURCE_LE                  4
310 
311 /* Flags for H_SET_MODE_RESOURCE_LE */
312 #define H_SET_MODE_ENDIAN_BIG    0
313 #define H_SET_MODE_ENDIAN_LITTLE 1
314 
315 /* VASI States */
316 #define H_VASI_INVALID    0
317 #define H_VASI_ENABLED    1
318 #define H_VASI_ABORTED    2
319 #define H_VASI_SUSPENDING 3
320 #define H_VASI_SUSPENDED  4
321 #define H_VASI_RESUMED    5
322 #define H_VASI_COMPLETED  6
323 
324 /* DABRX flags */
325 #define H_DABRX_HYPERVISOR (1ULL<<(63-61))
326 #define H_DABRX_KERNEL     (1ULL<<(63-62))
327 #define H_DABRX_USER       (1ULL<<(63-63))
328 
329 /* Values for KVM_PPC_GET_CPU_CHAR & H_GET_CPU_CHARACTERISTICS */
330 #define H_CPU_CHAR_SPEC_BAR_ORI31               PPC_BIT(0)
331 #define H_CPU_CHAR_BCCTRL_SERIALISED            PPC_BIT(1)
332 #define H_CPU_CHAR_L1D_FLUSH_ORI30              PPC_BIT(2)
333 #define H_CPU_CHAR_L1D_FLUSH_TRIG2              PPC_BIT(3)
334 #define H_CPU_CHAR_L1D_THREAD_PRIV              PPC_BIT(4)
335 #define H_CPU_CHAR_HON_BRANCH_HINTS             PPC_BIT(5)
336 #define H_CPU_CHAR_THR_RECONF_TRIG              PPC_BIT(6)
337 #define H_CPU_CHAR_CACHE_COUNT_DIS              PPC_BIT(7)
338 #define H_CPU_BEHAV_FAVOUR_SECURITY             PPC_BIT(0)
339 #define H_CPU_BEHAV_L1D_FLUSH_PR                PPC_BIT(1)
340 #define H_CPU_BEHAV_BNDS_CHK_SPEC_BAR           PPC_BIT(2)
341 
342 /* Each control block has to be on a 4K boundary */
343 #define H_CB_ALIGNMENT     4096
344 
345 /* pSeries hypervisor opcodes */
346 #define H_REMOVE                0x04
347 #define H_ENTER                 0x08
348 #define H_READ                  0x0c
349 #define H_CLEAR_MOD             0x10
350 #define H_CLEAR_REF             0x14
351 #define H_PROTECT               0x18
352 #define H_GET_TCE               0x1c
353 #define H_PUT_TCE               0x20
354 #define H_SET_SPRG0             0x24
355 #define H_SET_DABR              0x28
356 #define H_PAGE_INIT             0x2c
357 #define H_SET_ASR               0x30
358 #define H_ASR_ON                0x34
359 #define H_ASR_OFF               0x38
360 #define H_LOGICAL_CI_LOAD       0x3c
361 #define H_LOGICAL_CI_STORE      0x40
362 #define H_LOGICAL_CACHE_LOAD    0x44
363 #define H_LOGICAL_CACHE_STORE   0x48
364 #define H_LOGICAL_ICBI          0x4c
365 #define H_LOGICAL_DCBF          0x50
366 #define H_GET_TERM_CHAR         0x54
367 #define H_PUT_TERM_CHAR         0x58
368 #define H_REAL_TO_LOGICAL       0x5c
369 #define H_HYPERVISOR_DATA       0x60
370 #define H_EOI                   0x64
371 #define H_CPPR                  0x68
372 #define H_IPI                   0x6c
373 #define H_IPOLL                 0x70
374 #define H_XIRR                  0x74
375 #define H_PERFMON               0x7c
376 #define H_MIGRATE_DMA           0x78
377 #define H_REGISTER_VPA          0xDC
378 #define H_CEDE                  0xE0
379 #define H_CONFER                0xE4
380 #define H_PROD                  0xE8
381 #define H_GET_PPP               0xEC
382 #define H_SET_PPP               0xF0
383 #define H_PURR                  0xF4
384 #define H_PIC                   0xF8
385 #define H_REG_CRQ               0xFC
386 #define H_FREE_CRQ              0x100
387 #define H_VIO_SIGNAL            0x104
388 #define H_SEND_CRQ              0x108
389 #define H_COPY_RDMA             0x110
390 #define H_REGISTER_LOGICAL_LAN  0x114
391 #define H_FREE_LOGICAL_LAN      0x118
392 #define H_ADD_LOGICAL_LAN_BUFFER 0x11C
393 #define H_SEND_LOGICAL_LAN      0x120
394 #define H_BULK_REMOVE           0x124
395 #define H_MULTICAST_CTRL        0x130
396 #define H_SET_XDABR             0x134
397 #define H_STUFF_TCE             0x138
398 #define H_PUT_TCE_INDIRECT      0x13C
399 #define H_CHANGE_LOGICAL_LAN_MAC 0x14C
400 #define H_VTERM_PARTNER_INFO    0x150
401 #define H_REGISTER_VTERM        0x154
402 #define H_FREE_VTERM            0x158
403 #define H_RESET_EVENTS          0x15C
404 #define H_ALLOC_RESOURCE        0x160
405 #define H_FREE_RESOURCE         0x164
406 #define H_MODIFY_QP             0x168
407 #define H_QUERY_QP              0x16C
408 #define H_REREGISTER_PMR        0x170
409 #define H_REGISTER_SMR          0x174
410 #define H_QUERY_MR              0x178
411 #define H_QUERY_MW              0x17C
412 #define H_QUERY_HCA             0x180
413 #define H_QUERY_PORT            0x184
414 #define H_MODIFY_PORT           0x188
415 #define H_DEFINE_AQP1           0x18C
416 #define H_GET_TRACE_BUFFER      0x190
417 #define H_DEFINE_AQP0           0x194
418 #define H_RESIZE_MR             0x198
419 #define H_ATTACH_MCQP           0x19C
420 #define H_DETACH_MCQP           0x1A0
421 #define H_CREATE_RPT            0x1A4
422 #define H_REMOVE_RPT            0x1A8
423 #define H_REGISTER_RPAGES       0x1AC
424 #define H_DISABLE_AND_GETC      0x1B0
425 #define H_ERROR_DATA            0x1B4
426 #define H_GET_HCA_INFO          0x1B8
427 #define H_GET_PERF_COUNT        0x1BC
428 #define H_MANAGE_TRACE          0x1C0
429 #define H_GET_CPU_CHARACTERISTICS 0x1C8
430 #define H_FREE_LOGICAL_LAN_BUFFER 0x1D4
431 #define H_QUERY_INT_STATE       0x1E4
432 #define H_POLL_PENDING          0x1D8
433 #define H_ILLAN_ATTRIBUTES      0x244
434 #define H_MODIFY_HEA_QP         0x250
435 #define H_QUERY_HEA_QP          0x254
436 #define H_QUERY_HEA             0x258
437 #define H_QUERY_HEA_PORT        0x25C
438 #define H_MODIFY_HEA_PORT       0x260
439 #define H_REG_BCMC              0x264
440 #define H_DEREG_BCMC            0x268
441 #define H_REGISTER_HEA_RPAGES   0x26C
442 #define H_DISABLE_AND_GET_HEA   0x270
443 #define H_GET_HEA_INFO          0x274
444 #define H_ALLOC_HEA_RESOURCE    0x278
445 #define H_ADD_CONN              0x284
446 #define H_DEL_CONN              0x288
447 #define H_JOIN                  0x298
448 #define H_VASI_STATE            0x2A4
449 #define H_ENABLE_CRQ            0x2B0
450 #define H_GET_EM_PARMS          0x2B8
451 #define H_SET_MPP               0x2D0
452 #define H_GET_MPP               0x2D4
453 #define H_HOME_NODE_ASSOCIATIVITY 0x2EC
454 #define H_XIRR_X                0x2FC
455 #define H_RANDOM                0x300
456 #define H_SET_MODE              0x31C
457 #define H_RESIZE_HPT_PREPARE    0x36C
458 #define H_RESIZE_HPT_COMMIT     0x370
459 #define H_CLEAN_SLB             0x374
460 #define H_INVALIDATE_PID        0x378
461 #define H_REGISTER_PROC_TBL     0x37C
462 #define H_SIGNAL_SYS_RESET      0x380
463 
464 #define H_INT_GET_SOURCE_INFO   0x3A8
465 #define H_INT_SET_SOURCE_CONFIG 0x3AC
466 #define H_INT_GET_SOURCE_CONFIG 0x3B0
467 #define H_INT_GET_QUEUE_INFO    0x3B4
468 #define H_INT_SET_QUEUE_CONFIG  0x3B8
469 #define H_INT_GET_QUEUE_CONFIG  0x3BC
470 #define H_INT_SET_OS_REPORTING_LINE 0x3C0
471 #define H_INT_GET_OS_REPORTING_LINE 0x3C4
472 #define H_INT_ESB               0x3C8
473 #define H_INT_SYNC              0x3CC
474 #define H_INT_RESET             0x3D0
475 
476 #define MAX_HCALL_OPCODE        H_INT_RESET
477 
478 /* The hcalls above are standardized in PAPR and implemented by pHyp
479  * as well.
480  *
481  * We also need some hcalls which are specific to qemu / KVM-on-POWER.
482  * We put those into the 0xf000-0xfffc range which is reserved by PAPR
483  * for "platform-specific" hcalls.
484  */
485 #define KVMPPC_HCALL_BASE       0xf000
486 #define KVMPPC_H_RTAS           (KVMPPC_HCALL_BASE + 0x0)
487 #define KVMPPC_H_LOGICAL_MEMOP  (KVMPPC_HCALL_BASE + 0x1)
488 /* Client Architecture support */
489 #define KVMPPC_H_CAS            (KVMPPC_HCALL_BASE + 0x2)
490 #define KVMPPC_H_UPDATE_DT      (KVMPPC_HCALL_BASE + 0x3)
491 #define KVMPPC_HCALL_MAX        KVMPPC_H_UPDATE_DT
492 
493 typedef struct sPAPRDeviceTreeUpdateHeader {
494     uint32_t version_id;
495 } sPAPRDeviceTreeUpdateHeader;
496 
497 #define hcall_dprintf(fmt, ...) \
498     do { \
499         qemu_log_mask(LOG_GUEST_ERROR, "%s: " fmt, __func__, ## __VA_ARGS__); \
500     } while (0)
501 
502 typedef target_ulong (*spapr_hcall_fn)(PowerPCCPU *cpu, sPAPRMachineState *sm,
503                                        target_ulong opcode,
504                                        target_ulong *args);
505 
506 void spapr_register_hypercall(target_ulong opcode, spapr_hcall_fn fn);
507 target_ulong spapr_hypercall(PowerPCCPU *cpu, target_ulong opcode,
508                              target_ulong *args);
509 
510 /* ibm,set-eeh-option */
511 #define RTAS_EEH_DISABLE                 0
512 #define RTAS_EEH_ENABLE                  1
513 #define RTAS_EEH_THAW_IO                 2
514 #define RTAS_EEH_THAW_DMA                3
515 
516 /* ibm,get-config-addr-info2 */
517 #define RTAS_GET_PE_ADDR                 0
518 #define RTAS_GET_PE_MODE                 1
519 #define RTAS_PE_MODE_NONE                0
520 #define RTAS_PE_MODE_NOT_SHARED          1
521 #define RTAS_PE_MODE_SHARED              2
522 
523 /* ibm,read-slot-reset-state2 */
524 #define RTAS_EEH_PE_STATE_NORMAL         0
525 #define RTAS_EEH_PE_STATE_RESET          1
526 #define RTAS_EEH_PE_STATE_STOPPED_IO_DMA 2
527 #define RTAS_EEH_PE_STATE_STOPPED_DMA    4
528 #define RTAS_EEH_PE_STATE_UNAVAIL        5
529 #define RTAS_EEH_NOT_SUPPORT             0
530 #define RTAS_EEH_SUPPORT                 1
531 #define RTAS_EEH_PE_UNAVAIL_INFO         1000
532 #define RTAS_EEH_PE_RECOVER_INFO         0
533 
534 /* ibm,set-slot-reset */
535 #define RTAS_SLOT_RESET_DEACTIVATE       0
536 #define RTAS_SLOT_RESET_HOT              1
537 #define RTAS_SLOT_RESET_FUNDAMENTAL      3
538 
539 /* ibm,slot-error-detail */
540 #define RTAS_SLOT_TEMP_ERR_LOG           1
541 #define RTAS_SLOT_PERM_ERR_LOG           2
542 
543 /* RTAS return codes */
544 #define RTAS_OUT_SUCCESS                        0
545 #define RTAS_OUT_NO_ERRORS_FOUND                1
546 #define RTAS_OUT_HW_ERROR                       -1
547 #define RTAS_OUT_BUSY                           -2
548 #define RTAS_OUT_PARAM_ERROR                    -3
549 #define RTAS_OUT_NOT_SUPPORTED                  -3
550 #define RTAS_OUT_NO_SUCH_INDICATOR              -3
551 #define RTAS_OUT_NOT_AUTHORIZED                 -9002
552 #define RTAS_OUT_SYSPARM_PARAM_ERROR            -9999
553 
554 /* DDW pagesize mask values from ibm,query-pe-dma-window */
555 #define RTAS_DDW_PGSIZE_4K       0x01
556 #define RTAS_DDW_PGSIZE_64K      0x02
557 #define RTAS_DDW_PGSIZE_16M      0x04
558 #define RTAS_DDW_PGSIZE_32M      0x08
559 #define RTAS_DDW_PGSIZE_64M      0x10
560 #define RTAS_DDW_PGSIZE_128M     0x20
561 #define RTAS_DDW_PGSIZE_256M     0x40
562 #define RTAS_DDW_PGSIZE_16G      0x80
563 
564 /* RTAS tokens */
565 #define RTAS_TOKEN_BASE      0x2000
566 
567 #define RTAS_DISPLAY_CHARACTER                  (RTAS_TOKEN_BASE + 0x00)
568 #define RTAS_GET_TIME_OF_DAY                    (RTAS_TOKEN_BASE + 0x01)
569 #define RTAS_SET_TIME_OF_DAY                    (RTAS_TOKEN_BASE + 0x02)
570 #define RTAS_POWER_OFF                          (RTAS_TOKEN_BASE + 0x03)
571 #define RTAS_SYSTEM_REBOOT                      (RTAS_TOKEN_BASE + 0x04)
572 #define RTAS_QUERY_CPU_STOPPED_STATE            (RTAS_TOKEN_BASE + 0x05)
573 #define RTAS_START_CPU                          (RTAS_TOKEN_BASE + 0x06)
574 #define RTAS_STOP_SELF                          (RTAS_TOKEN_BASE + 0x07)
575 #define RTAS_IBM_GET_SYSTEM_PARAMETER           (RTAS_TOKEN_BASE + 0x08)
576 #define RTAS_IBM_SET_SYSTEM_PARAMETER           (RTAS_TOKEN_BASE + 0x09)
577 #define RTAS_IBM_SET_XIVE                       (RTAS_TOKEN_BASE + 0x0A)
578 #define RTAS_IBM_GET_XIVE                       (RTAS_TOKEN_BASE + 0x0B)
579 #define RTAS_IBM_INT_OFF                        (RTAS_TOKEN_BASE + 0x0C)
580 #define RTAS_IBM_INT_ON                         (RTAS_TOKEN_BASE + 0x0D)
581 #define RTAS_CHECK_EXCEPTION                    (RTAS_TOKEN_BASE + 0x0E)
582 #define RTAS_EVENT_SCAN                         (RTAS_TOKEN_BASE + 0x0F)
583 #define RTAS_IBM_SET_TCE_BYPASS                 (RTAS_TOKEN_BASE + 0x10)
584 #define RTAS_QUIESCE                            (RTAS_TOKEN_BASE + 0x11)
585 #define RTAS_NVRAM_FETCH                        (RTAS_TOKEN_BASE + 0x12)
586 #define RTAS_NVRAM_STORE                        (RTAS_TOKEN_BASE + 0x13)
587 #define RTAS_READ_PCI_CONFIG                    (RTAS_TOKEN_BASE + 0x14)
588 #define RTAS_WRITE_PCI_CONFIG                   (RTAS_TOKEN_BASE + 0x15)
589 #define RTAS_IBM_READ_PCI_CONFIG                (RTAS_TOKEN_BASE + 0x16)
590 #define RTAS_IBM_WRITE_PCI_CONFIG               (RTAS_TOKEN_BASE + 0x17)
591 #define RTAS_IBM_QUERY_INTERRUPT_SOURCE_NUMBER  (RTAS_TOKEN_BASE + 0x18)
592 #define RTAS_IBM_CHANGE_MSI                     (RTAS_TOKEN_BASE + 0x19)
593 #define RTAS_SET_INDICATOR                      (RTAS_TOKEN_BASE + 0x1A)
594 #define RTAS_SET_POWER_LEVEL                    (RTAS_TOKEN_BASE + 0x1B)
595 #define RTAS_GET_POWER_LEVEL                    (RTAS_TOKEN_BASE + 0x1C)
596 #define RTAS_GET_SENSOR_STATE                   (RTAS_TOKEN_BASE + 0x1D)
597 #define RTAS_IBM_CONFIGURE_CONNECTOR            (RTAS_TOKEN_BASE + 0x1E)
598 #define RTAS_IBM_OS_TERM                        (RTAS_TOKEN_BASE + 0x1F)
599 #define RTAS_IBM_SET_EEH_OPTION                 (RTAS_TOKEN_BASE + 0x20)
600 #define RTAS_IBM_GET_CONFIG_ADDR_INFO2          (RTAS_TOKEN_BASE + 0x21)
601 #define RTAS_IBM_READ_SLOT_RESET_STATE2         (RTAS_TOKEN_BASE + 0x22)
602 #define RTAS_IBM_SET_SLOT_RESET                 (RTAS_TOKEN_BASE + 0x23)
603 #define RTAS_IBM_CONFIGURE_PE                   (RTAS_TOKEN_BASE + 0x24)
604 #define RTAS_IBM_SLOT_ERROR_DETAIL              (RTAS_TOKEN_BASE + 0x25)
605 #define RTAS_IBM_QUERY_PE_DMA_WINDOW            (RTAS_TOKEN_BASE + 0x26)
606 #define RTAS_IBM_CREATE_PE_DMA_WINDOW           (RTAS_TOKEN_BASE + 0x27)
607 #define RTAS_IBM_REMOVE_PE_DMA_WINDOW           (RTAS_TOKEN_BASE + 0x28)
608 #define RTAS_IBM_RESET_PE_DMA_WINDOW            (RTAS_TOKEN_BASE + 0x29)
609 
610 #define RTAS_TOKEN_MAX                          (RTAS_TOKEN_BASE + 0x2A)
611 
612 /* RTAS ibm,get-system-parameter token values */
613 #define RTAS_SYSPARM_SPLPAR_CHARACTERISTICS      20
614 #define RTAS_SYSPARM_DIAGNOSTICS_RUN_MODE        42
615 #define RTAS_SYSPARM_UUID                        48
616 
617 /* RTAS indicator/sensor types
618  *
619  * as defined by PAPR+ 2.7 7.3.5.4, Table 41
620  *
621  * NOTE: currently only DR-related sensors are implemented here
622  */
623 #define RTAS_SENSOR_TYPE_ISOLATION_STATE        9001
624 #define RTAS_SENSOR_TYPE_DR                     9002
625 #define RTAS_SENSOR_TYPE_ALLOCATION_STATE       9003
626 #define RTAS_SENSOR_TYPE_ENTITY_SENSE RTAS_SENSOR_TYPE_ALLOCATION_STATE
627 
628 /* Possible values for the platform-processor-diagnostics-run-mode parameter
629  * of the RTAS ibm,get-system-parameter call.
630  */
631 #define DIAGNOSTICS_RUN_MODE_DISABLED  0
632 #define DIAGNOSTICS_RUN_MODE_STAGGERED 1
633 #define DIAGNOSTICS_RUN_MODE_IMMEDIATE 2
634 #define DIAGNOSTICS_RUN_MODE_PERIODIC  3
635 
636 static inline uint64_t ppc64_phys_to_real(uint64_t addr)
637 {
638     return addr & ~0xF000000000000000ULL;
639 }
640 
641 static inline uint32_t rtas_ld(target_ulong phys, int n)
642 {
643     return ldl_be_phys(&address_space_memory, ppc64_phys_to_real(phys + 4*n));
644 }
645 
646 static inline uint64_t rtas_ldq(target_ulong phys, int n)
647 {
648     return (uint64_t)rtas_ld(phys, n) << 32 | rtas_ld(phys, n + 1);
649 }
650 
651 static inline void rtas_st(target_ulong phys, int n, uint32_t val)
652 {
653     stl_be_phys(&address_space_memory, ppc64_phys_to_real(phys + 4*n), val);
654 }
655 
656 typedef void (*spapr_rtas_fn)(PowerPCCPU *cpu, sPAPRMachineState *sm,
657                               uint32_t token,
658                               uint32_t nargs, target_ulong args,
659                               uint32_t nret, target_ulong rets);
660 void spapr_rtas_register(int token, const char *name, spapr_rtas_fn fn);
661 target_ulong spapr_rtas_call(PowerPCCPU *cpu, sPAPRMachineState *sm,
662                              uint32_t token, uint32_t nargs, target_ulong args,
663                              uint32_t nret, target_ulong rets);
664 void spapr_dt_rtas_tokens(void *fdt, int rtas);
665 void spapr_load_rtas(sPAPRMachineState *spapr, void *fdt, hwaddr addr);
666 
667 #define SPAPR_TCE_PAGE_SHIFT   12
668 #define SPAPR_TCE_PAGE_SIZE    (1ULL << SPAPR_TCE_PAGE_SHIFT)
669 #define SPAPR_TCE_PAGE_MASK    (SPAPR_TCE_PAGE_SIZE - 1)
670 
671 #define SPAPR_VIO_BASE_LIOBN    0x00000000
672 #define SPAPR_VIO_LIOBN(reg)    (0x00000000 | (reg))
673 #define SPAPR_PCI_LIOBN(phb_index, window_num) \
674     (0x80000000 | ((phb_index) << 8) | (window_num))
675 #define SPAPR_IS_PCI_LIOBN(liobn)   (!!((liobn) & 0x80000000))
676 #define SPAPR_PCI_DMA_WINDOW_NUM(liobn) ((liobn) & 0xff)
677 
678 #define RTAS_ERROR_LOG_MAX      2048
679 
680 #define RTAS_EVENT_SCAN_RATE    1
681 
682 /* This helper should be used to encode interrupt specifiers when the related
683  * "interrupt-controller" node has its "#interrupt-cells" property set to 2 (ie,
684  * VIO devices, RTAS event sources and PHBs).
685  */
686 static inline void spapr_dt_xics_irq(uint32_t *intspec, int irq, bool is_lsi)
687 {
688     intspec[0] = cpu_to_be32(irq);
689     intspec[1] = is_lsi ? cpu_to_be32(1) : 0;
690 }
691 
692 typedef struct sPAPRTCETable sPAPRTCETable;
693 
694 #define TYPE_SPAPR_TCE_TABLE "spapr-tce-table"
695 #define SPAPR_TCE_TABLE(obj) \
696     OBJECT_CHECK(sPAPRTCETable, (obj), TYPE_SPAPR_TCE_TABLE)
697 
698 #define TYPE_SPAPR_IOMMU_MEMORY_REGION "spapr-iommu-memory-region"
699 #define SPAPR_IOMMU_MEMORY_REGION(obj) \
700         OBJECT_CHECK(IOMMUMemoryRegion, (obj), TYPE_SPAPR_IOMMU_MEMORY_REGION)
701 
702 struct sPAPRTCETable {
703     DeviceState parent;
704     uint32_t liobn;
705     uint32_t nb_table;
706     uint64_t bus_offset;
707     uint32_t page_shift;
708     uint64_t *table;
709     uint32_t mig_nb_table;
710     uint64_t *mig_table;
711     bool bypass;
712     bool need_vfio;
713     int fd;
714     MemoryRegion root;
715     IOMMUMemoryRegion iommu;
716     struct VIOsPAPRDevice *vdev; /* for @bypass migration compatibility only */
717     QLIST_ENTRY(sPAPRTCETable) list;
718 };
719 
720 sPAPRTCETable *spapr_tce_find_by_liobn(target_ulong liobn);
721 
722 struct sPAPREventLogEntry {
723     uint32_t summary;
724     uint32_t extended_length;
725     void *extended_log;
726     QTAILQ_ENTRY(sPAPREventLogEntry) next;
727 };
728 
729 void spapr_events_init(sPAPRMachineState *sm);
730 void spapr_dt_events(sPAPRMachineState *sm, void *fdt);
731 int spapr_h_cas_compose_response(sPAPRMachineState *sm,
732                                  target_ulong addr, target_ulong size,
733                                  sPAPROptionVector *ov5_updates);
734 void close_htab_fd(sPAPRMachineState *spapr);
735 void spapr_setup_hpt_and_vrma(sPAPRMachineState *spapr);
736 void spapr_free_hpt(sPAPRMachineState *spapr);
737 sPAPRTCETable *spapr_tce_new_table(DeviceState *owner, uint32_t liobn);
738 void spapr_tce_table_enable(sPAPRTCETable *tcet,
739                             uint32_t page_shift, uint64_t bus_offset,
740                             uint32_t nb_table);
741 void spapr_tce_table_disable(sPAPRTCETable *tcet);
742 void spapr_tce_set_need_vfio(sPAPRTCETable *tcet, bool need_vfio);
743 
744 MemoryRegion *spapr_tce_get_iommu(sPAPRTCETable *tcet);
745 int spapr_dma_dt(void *fdt, int node_off, const char *propname,
746                  uint32_t liobn, uint64_t window, uint32_t size);
747 int spapr_tcet_dma_dt(void *fdt, int node_off, const char *propname,
748                       sPAPRTCETable *tcet);
749 void spapr_pci_switch_vga(bool big_endian);
750 void spapr_hotplug_req_add_by_index(sPAPRDRConnector *drc);
751 void spapr_hotplug_req_remove_by_index(sPAPRDRConnector *drc);
752 void spapr_hotplug_req_add_by_count(sPAPRDRConnectorType drc_type,
753                                        uint32_t count);
754 void spapr_hotplug_req_remove_by_count(sPAPRDRConnectorType drc_type,
755                                           uint32_t count);
756 void spapr_hotplug_req_add_by_count_indexed(sPAPRDRConnectorType drc_type,
757                                             uint32_t count, uint32_t index);
758 void spapr_hotplug_req_remove_by_count_indexed(sPAPRDRConnectorType drc_type,
759                                                uint32_t count, uint32_t index);
760 int spapr_hpt_shift_for_ramsize(uint64_t ramsize);
761 void spapr_reallocate_hpt(sPAPRMachineState *spapr, int shift,
762                           Error **errp);
763 void spapr_clear_pending_events(sPAPRMachineState *spapr);
764 int spapr_max_server_number(sPAPRMachineState *spapr);
765 
766 /* CPU and LMB DRC release callbacks. */
767 void spapr_core_release(DeviceState *dev);
768 void spapr_lmb_release(DeviceState *dev);
769 
770 void spapr_rtc_read(sPAPRRTCState *rtc, struct tm *tm, uint32_t *ns);
771 int spapr_rtc_import_offset(sPAPRRTCState *rtc, int64_t legacy_offset);
772 
773 #define TYPE_SPAPR_RNG "spapr-rng"
774 
775 #define SPAPR_MEMORY_BLOCK_SIZE (1 << 28) /* 256MB */
776 
777 /*
778  * This defines the maximum number of DIMM slots we can have for sPAPR
779  * guest. This is not defined by sPAPR but we are defining it to 32 slots
780  * based on default number of slots provided by PowerPC kernel.
781  */
782 #define SPAPR_MAX_RAM_SLOTS     32
783 
784 /* 1GB alignment for hotplug memory region */
785 #define SPAPR_DEVICE_MEM_ALIGN (1 * GiB)
786 
787 /*
788  * Number of 32 bit words in each LMB list entry in ibm,dynamic-memory
789  * property under ibm,dynamic-reconfiguration-memory node.
790  */
791 #define SPAPR_DR_LMB_LIST_ENTRY_SIZE 6
792 
793 /*
794  * Defines for flag value in ibm,dynamic-memory property under
795  * ibm,dynamic-reconfiguration-memory node.
796  */
797 #define SPAPR_LMB_FLAGS_ASSIGNED 0x00000008
798 #define SPAPR_LMB_FLAGS_DRC_INVALID 0x00000020
799 #define SPAPR_LMB_FLAGS_RESERVED 0x00000080
800 
801 void spapr_do_system_reset_on_cpu(CPUState *cs, run_on_cpu_data arg);
802 
803 #define HTAB_SIZE(spapr)        (1ULL << ((spapr)->htab_shift))
804 
805 int spapr_get_vcpu_id(PowerPCCPU *cpu);
806 void spapr_set_vcpu_id(PowerPCCPU *cpu, int cpu_index, Error **errp);
807 PowerPCCPU *spapr_find_cpu(int vcpu_id);
808 
809 int spapr_caps_pre_load(void *opaque);
810 int spapr_caps_pre_save(void *opaque);
811 
812 /*
813  * Handling of optional capabilities
814  */
815 extern const VMStateDescription vmstate_spapr_cap_htm;
816 extern const VMStateDescription vmstate_spapr_cap_vsx;
817 extern const VMStateDescription vmstate_spapr_cap_dfp;
818 extern const VMStateDescription vmstate_spapr_cap_cfpc;
819 extern const VMStateDescription vmstate_spapr_cap_sbbc;
820 extern const VMStateDescription vmstate_spapr_cap_ibs;
821 extern const VMStateDescription vmstate_spapr_cap_nested_kvm_hv;
822 
823 static inline uint8_t spapr_get_cap(sPAPRMachineState *spapr, int cap)
824 {
825     return spapr->eff.caps[cap];
826 }
827 
828 void spapr_caps_init(sPAPRMachineState *spapr);
829 void spapr_caps_apply(sPAPRMachineState *spapr);
830 void spapr_caps_cpu_apply(sPAPRMachineState *spapr, PowerPCCPU *cpu);
831 void spapr_caps_add_properties(sPAPRMachineClass *smc, Error **errp);
832 int spapr_caps_post_migration(sPAPRMachineState *spapr);
833 
834 void spapr_check_pagesize(sPAPRMachineState *spapr, hwaddr pagesize,
835                           Error **errp);
836 /*
837  * XIVE definitions
838  */
839 #define SPAPR_OV5_XIVE_LEGACY   0x0
840 #define SPAPR_OV5_XIVE_EXPLOIT  0x40
841 #define SPAPR_OV5_XIVE_BOTH     0x80 /* Only to advertise on the platform */
842 
843 #endif /* HW_SPAPR_H */
844