xref: /openbmc/qemu/include/hw/ppc/spapr.h (revision 31cf4b97)
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 
12 struct VIOsPAPRBus;
13 struct sPAPRPHBState;
14 struct sPAPRNVRAM;
15 typedef struct sPAPREventLogEntry sPAPREventLogEntry;
16 typedef struct sPAPREventSource sPAPREventSource;
17 typedef struct sPAPRPendingHPT sPAPRPendingHPT;
18 typedef struct ICSState ICSState;
19 typedef struct sPAPRXive sPAPRXive;
20 
21 #define HPTE64_V_HPTE_DIRTY     0x0000000000000040ULL
22 #define SPAPR_ENTRY_POINT       0x100
23 
24 #define SPAPR_TIMEBASE_FREQ     512000000ULL
25 
26 #define TYPE_SPAPR_RTC "spapr-rtc"
27 
28 #define SPAPR_RTC(obj)                                  \
29     OBJECT_CHECK(sPAPRRTCState, (obj), TYPE_SPAPR_RTC)
30 
31 typedef struct sPAPRRTCState sPAPRRTCState;
32 struct sPAPRRTCState {
33     /*< private >*/
34     DeviceState parent_obj;
35     int64_t ns_offset;
36 };
37 
38 typedef struct sPAPRDIMMState sPAPRDIMMState;
39 typedef struct sPAPRMachineClass sPAPRMachineClass;
40 
41 #define TYPE_SPAPR_MACHINE      "spapr-machine"
42 #define SPAPR_MACHINE(obj) \
43     OBJECT_CHECK(sPAPRMachineState, (obj), TYPE_SPAPR_MACHINE)
44 #define SPAPR_MACHINE_GET_CLASS(obj) \
45     OBJECT_GET_CLASS(sPAPRMachineClass, obj, TYPE_SPAPR_MACHINE)
46 #define SPAPR_MACHINE_CLASS(klass) \
47     OBJECT_CLASS_CHECK(sPAPRMachineClass, klass, TYPE_SPAPR_MACHINE)
48 
49 typedef enum {
50     SPAPR_RESIZE_HPT_DEFAULT = 0,
51     SPAPR_RESIZE_HPT_DISABLED,
52     SPAPR_RESIZE_HPT_ENABLED,
53     SPAPR_RESIZE_HPT_REQUIRED,
54 } sPAPRResizeHPT;
55 
56 /**
57  * Capabilities
58  */
59 
60 /* Hardware Transactional Memory */
61 #define SPAPR_CAP_HTM                   0x00
62 /* Vector Scalar Extensions */
63 #define SPAPR_CAP_VSX                   0x01
64 /* Decimal Floating Point */
65 #define SPAPR_CAP_DFP                   0x02
66 /* Cache Flush on Privilege Change */
67 #define SPAPR_CAP_CFPC                  0x03
68 /* Speculation Barrier Bounds Checking */
69 #define SPAPR_CAP_SBBC                  0x04
70 /* Indirect Branch Serialisation */
71 #define SPAPR_CAP_IBS                   0x05
72 /* HPT Maximum Page Size (encoded as a shift) */
73 #define SPAPR_CAP_HPT_MAXPAGESIZE       0x06
74 /* Nested KVM-HV */
75 #define SPAPR_CAP_NESTED_KVM_HV         0x07
76 /* Num Caps */
77 #define SPAPR_CAP_NUM                   (SPAPR_CAP_NESTED_KVM_HV + 1)
78 
79 /*
80  * Capability Values
81  */
82 /* Bool Caps */
83 #define SPAPR_CAP_OFF                   0x00
84 #define SPAPR_CAP_ON                    0x01
85 /* Custom Caps */
86 #define SPAPR_CAP_BROKEN                0x00
87 #define SPAPR_CAP_WORKAROUND            0x01
88 #define SPAPR_CAP_FIXED                 0x02
89 #define SPAPR_CAP_FIXED_IBS             0x02
90 #define SPAPR_CAP_FIXED_CCD             0x03
91 
92 typedef struct sPAPRCapabilities sPAPRCapabilities;
93 struct sPAPRCapabilities {
94     uint8_t caps[SPAPR_CAP_NUM];
95 };
96 
97 /**
98  * sPAPRMachineClass:
99  */
100 struct sPAPRMachineClass {
101     /*< private >*/
102     MachineClass parent_class;
103 
104     /*< public >*/
105     bool dr_lmb_enabled;       /* enable dynamic-reconfig/hotplug of LMBs */
106     bool update_dt_enabled;    /* enable KVMPPC_H_UPDATE_DT */
107     bool use_ohci_by_default;  /* use USB-OHCI instead of XHCI */
108     bool pre_2_10_has_unused_icps;
109     bool legacy_irq_allocation;
110 
111     void (*phb_placement)(sPAPRMachineState *spapr, uint32_t index,
112                           uint64_t *buid, hwaddr *pio,
113                           hwaddr *mmio32, hwaddr *mmio64,
114                           unsigned n_dma, uint32_t *liobns, Error **errp);
115     sPAPRResizeHPT resize_hpt_default;
116     sPAPRCapabilities default_caps;
117     sPAPRIrq *irq;
118 };
119 
120 /**
121  * sPAPRMachineState:
122  */
123 struct sPAPRMachineState {
124     /*< private >*/
125     MachineState parent_obj;
126 
127     struct VIOsPAPRBus *vio_bus;
128     QLIST_HEAD(, sPAPRPHBState) phbs;
129     struct sPAPRNVRAM *nvram;
130     ICSState *ics;
131     sPAPRRTCState rtc;
132 
133     sPAPRResizeHPT resize_hpt;
134     void *htab;
135     uint32_t htab_shift;
136     uint64_t patb_entry; /* Process tbl registed in H_REGISTER_PROCESS_TABLE */
137     sPAPRPendingHPT *pending_hpt; /* in-progress resize */
138 
139     hwaddr rma_size;
140     int vrma_adjust;
141     ssize_t rtas_size;
142     void *rtas_blob;
143     uint32_t fdt_size;
144     uint32_t fdt_initial_size;
145     void *fdt_blob;
146     long kernel_size;
147     bool kernel_le;
148     uint32_t initrd_base;
149     long initrd_size;
150     uint64_t rtc_offset; /* Now used only during incoming migration */
151     struct PPCTimebase tb;
152     bool has_graphics;
153     uint32_t vsmt;       /* Virtual SMT mode (KVM's "core stride") */
154 
155     Notifier epow_notifier;
156     QTAILQ_HEAD(, sPAPREventLogEntry) pending_events;
157     bool use_hotplug_event_source;
158     sPAPREventSource *event_sources;
159 
160     /* ibm,client-architecture-support option negotiation */
161     bool cas_reboot;
162     bool cas_legacy_guest_workaround;
163     sPAPROptionVector *ov5;         /* QEMU-supported option vectors */
164     sPAPROptionVector *ov5_cas;     /* negotiated (via CAS) option vectors */
165     uint32_t max_compat_pvr;
166 
167     /* Migration state */
168     int htab_save_index;
169     bool htab_first_pass;
170     int htab_fd;
171 
172     /* Pending DIMM unplug cache. It is populated when a LMB
173      * unplug starts. It can be regenerated if a migration
174      * occurs during the unplug process. */
175     QTAILQ_HEAD(, sPAPRDIMMState) pending_dimm_unplugs;
176 
177     /*< public >*/
178     char *kvm_type;
179 
180     const char *icp_type;
181     int32_t irq_map_nr;
182     unsigned long *irq_map;
183     sPAPRXive  *xive;
184     sPAPRIrq *irq;
185     qemu_irq *qirqs;
186 
187     bool cmd_line_caps[SPAPR_CAP_NUM];
188     sPAPRCapabilities def, eff, mig;
189 };
190 
191 #define H_SUCCESS         0
192 #define H_BUSY            1        /* Hardware busy -- retry later */
193 #define H_CLOSED          2        /* Resource closed */
194 #define H_NOT_AVAILABLE   3
195 #define H_CONSTRAINED     4        /* Resource request constrained to max allowed */
196 #define H_PARTIAL         5
197 #define H_IN_PROGRESS     14       /* Kind of like busy */
198 #define H_PAGE_REGISTERED 15
199 #define H_PARTIAL_STORE   16
200 #define H_PENDING         17       /* returned from H_POLL_PENDING */
201 #define H_CONTINUE        18       /* Returned from H_Join on success */
202 #define H_LONG_BUSY_START_RANGE         9900  /* Start of long busy range */
203 #define H_LONG_BUSY_ORDER_1_MSEC        9900  /* Long busy, hint that 1msec \
204                                                  is a good time to retry */
205 #define H_LONG_BUSY_ORDER_10_MSEC       9901  /* Long busy, hint that 10msec \
206                                                  is a good time to retry */
207 #define H_LONG_BUSY_ORDER_100_MSEC      9902  /* Long busy, hint that 100msec \
208                                                  is a good time to retry */
209 #define H_LONG_BUSY_ORDER_1_SEC         9903  /* Long busy, hint that 1sec \
210                                                  is a good time to retry */
211 #define H_LONG_BUSY_ORDER_10_SEC        9904  /* Long busy, hint that 10sec \
212                                                  is a good time to retry */
213 #define H_LONG_BUSY_ORDER_100_SEC       9905  /* Long busy, hint that 100sec \
214                                                  is a good time to retry */
215 #define H_LONG_BUSY_END_RANGE           9905  /* End of long busy range */
216 #define H_HARDWARE        -1       /* Hardware error */
217 #define H_FUNCTION        -2       /* Function not supported */
218 #define H_PRIVILEGE       -3       /* Caller not privileged */
219 #define H_PARAMETER       -4       /* Parameter invalid, out-of-range or conflicting */
220 #define H_BAD_MODE        -5       /* Illegal msr value */
221 #define H_PTEG_FULL       -6       /* PTEG is full */
222 #define H_NOT_FOUND       -7       /* PTE was not found" */
223 #define H_RESERVED_DABR   -8       /* DABR address is reserved by the hypervisor on this processor" */
224 #define H_NO_MEM          -9
225 #define H_AUTHORITY       -10
226 #define H_PERMISSION      -11
227 #define H_DROPPED         -12
228 #define H_SOURCE_PARM     -13
229 #define H_DEST_PARM       -14
230 #define H_REMOTE_PARM     -15
231 #define H_RESOURCE        -16
232 #define H_ADAPTER_PARM    -17
233 #define H_RH_PARM         -18
234 #define H_RCQ_PARM        -19
235 #define H_SCQ_PARM        -20
236 #define H_EQ_PARM         -21
237 #define H_RT_PARM         -22
238 #define H_ST_PARM         -23
239 #define H_SIGT_PARM       -24
240 #define H_TOKEN_PARM      -25
241 #define H_MLENGTH_PARM    -27
242 #define H_MEM_PARM        -28
243 #define H_MEM_ACCESS_PARM -29
244 #define H_ATTR_PARM       -30
245 #define H_PORT_PARM       -31
246 #define H_MCG_PARM        -32
247 #define H_VL_PARM         -33
248 #define H_TSIZE_PARM      -34
249 #define H_TRACE_PARM      -35
250 
251 #define H_MASK_PARM       -37
252 #define H_MCG_FULL        -38
253 #define H_ALIAS_EXIST     -39
254 #define H_P_COUNTER       -40
255 #define H_TABLE_FULL      -41
256 #define H_ALT_TABLE       -42
257 #define H_MR_CONDITION    -43
258 #define H_NOT_ENOUGH_RESOURCES -44
259 #define H_R_STATE         -45
260 #define H_RESCINDEND      -46
261 #define H_P2              -55
262 #define H_P3              -56
263 #define H_P4              -57
264 #define H_P5              -58
265 #define H_P6              -59
266 #define H_P7              -60
267 #define H_P8              -61
268 #define H_P9              -62
269 #define H_UNSUPPORTED_FLAG -256
270 #define H_MULTI_THREADS_ACTIVE -9005
271 
272 
273 /* Long Busy is a condition that can be returned by the firmware
274  * when a call cannot be completed now, but the identical call
275  * should be retried later.  This prevents calls blocking in the
276  * firmware for long periods of time.  Annoyingly the firmware can return
277  * a range of return codes, hinting at how long we should wait before
278  * retrying.  If you don't care for the hint, the macro below is a good
279  * way to check for the long_busy return codes
280  */
281 #define H_IS_LONG_BUSY(x)  ((x >= H_LONG_BUSY_START_RANGE) \
282                             && (x <= H_LONG_BUSY_END_RANGE))
283 
284 /* Flags */
285 #define H_LARGE_PAGE      (1ULL<<(63-16))
286 #define H_EXACT           (1ULL<<(63-24))       /* Use exact PTE or return H_PTEG_FULL */
287 #define H_R_XLATE         (1ULL<<(63-25))       /* include a valid logical page num in the pte if the valid bit is set */
288 #define H_READ_4          (1ULL<<(63-26))       /* Return 4 PTEs */
289 #define H_PAGE_STATE_CHANGE (1ULL<<(63-28))
290 #define H_PAGE_UNUSED     ((1ULL<<(63-29)) | (1ULL<<(63-30)))
291 #define H_PAGE_SET_UNUSED (H_PAGE_STATE_CHANGE | H_PAGE_UNUSED)
292 #define H_PAGE_SET_LOANED (H_PAGE_SET_UNUSED | (1ULL<<(63-31)))
293 #define H_PAGE_SET_ACTIVE H_PAGE_STATE_CHANGE
294 #define H_AVPN            (1ULL<<(63-32))       /* An avpn is provided as a sanity test */
295 #define H_ANDCOND         (1ULL<<(63-33))
296 #define H_ICACHE_INVALIDATE (1ULL<<(63-40))     /* icbi, etc.  (ignored for IO pages) */
297 #define H_ICACHE_SYNCHRONIZE (1ULL<<(63-41))    /* dcbst, icbi, etc (ignored for IO pages */
298 #define H_ZERO_PAGE       (1ULL<<(63-48))       /* zero the page before mapping (ignored for IO pages) */
299 #define H_COPY_PAGE       (1ULL<<(63-49))
300 #define H_N               (1ULL<<(63-61))
301 #define H_PP1             (1ULL<<(63-62))
302 #define H_PP2             (1ULL<<(63-63))
303 
304 /* Values for 2nd argument to H_SET_MODE */
305 #define H_SET_MODE_RESOURCE_SET_CIABR           1
306 #define H_SET_MODE_RESOURCE_SET_DAWR            2
307 #define H_SET_MODE_RESOURCE_ADDR_TRANS_MODE     3
308 #define H_SET_MODE_RESOURCE_LE                  4
309 
310 /* Flags for H_SET_MODE_RESOURCE_LE */
311 #define H_SET_MODE_ENDIAN_BIG    0
312 #define H_SET_MODE_ENDIAN_LITTLE 1
313 
314 /* VASI States */
315 #define H_VASI_INVALID    0
316 #define H_VASI_ENABLED    1
317 #define H_VASI_ABORTED    2
318 #define H_VASI_SUSPENDING 3
319 #define H_VASI_SUSPENDED  4
320 #define H_VASI_RESUMED    5
321 #define H_VASI_COMPLETED  6
322 
323 /* DABRX flags */
324 #define H_DABRX_HYPERVISOR (1ULL<<(63-61))
325 #define H_DABRX_KERNEL     (1ULL<<(63-62))
326 #define H_DABRX_USER       (1ULL<<(63-63))
327 
328 /* Values for KVM_PPC_GET_CPU_CHAR & H_GET_CPU_CHARACTERISTICS */
329 #define H_CPU_CHAR_SPEC_BAR_ORI31               PPC_BIT(0)
330 #define H_CPU_CHAR_BCCTRL_SERIALISED            PPC_BIT(1)
331 #define H_CPU_CHAR_L1D_FLUSH_ORI30              PPC_BIT(2)
332 #define H_CPU_CHAR_L1D_FLUSH_TRIG2              PPC_BIT(3)
333 #define H_CPU_CHAR_L1D_THREAD_PRIV              PPC_BIT(4)
334 #define H_CPU_CHAR_HON_BRANCH_HINTS             PPC_BIT(5)
335 #define H_CPU_CHAR_THR_RECONF_TRIG              PPC_BIT(6)
336 #define H_CPU_CHAR_CACHE_COUNT_DIS              PPC_BIT(7)
337 #define H_CPU_BEHAV_FAVOUR_SECURITY             PPC_BIT(0)
338 #define H_CPU_BEHAV_L1D_FLUSH_PR                PPC_BIT(1)
339 #define H_CPU_BEHAV_BNDS_CHK_SPEC_BAR           PPC_BIT(2)
340 
341 /* Each control block has to be on a 4K boundary */
342 #define H_CB_ALIGNMENT     4096
343 
344 /* pSeries hypervisor opcodes */
345 #define H_REMOVE                0x04
346 #define H_ENTER                 0x08
347 #define H_READ                  0x0c
348 #define H_CLEAR_MOD             0x10
349 #define H_CLEAR_REF             0x14
350 #define H_PROTECT               0x18
351 #define H_GET_TCE               0x1c
352 #define H_PUT_TCE               0x20
353 #define H_SET_SPRG0             0x24
354 #define H_SET_DABR              0x28
355 #define H_PAGE_INIT             0x2c
356 #define H_SET_ASR               0x30
357 #define H_ASR_ON                0x34
358 #define H_ASR_OFF               0x38
359 #define H_LOGICAL_CI_LOAD       0x3c
360 #define H_LOGICAL_CI_STORE      0x40
361 #define H_LOGICAL_CACHE_LOAD    0x44
362 #define H_LOGICAL_CACHE_STORE   0x48
363 #define H_LOGICAL_ICBI          0x4c
364 #define H_LOGICAL_DCBF          0x50
365 #define H_GET_TERM_CHAR         0x54
366 #define H_PUT_TERM_CHAR         0x58
367 #define H_REAL_TO_LOGICAL       0x5c
368 #define H_HYPERVISOR_DATA       0x60
369 #define H_EOI                   0x64
370 #define H_CPPR                  0x68
371 #define H_IPI                   0x6c
372 #define H_IPOLL                 0x70
373 #define H_XIRR                  0x74
374 #define H_PERFMON               0x7c
375 #define H_MIGRATE_DMA           0x78
376 #define H_REGISTER_VPA          0xDC
377 #define H_CEDE                  0xE0
378 #define H_CONFER                0xE4
379 #define H_PROD                  0xE8
380 #define H_GET_PPP               0xEC
381 #define H_SET_PPP               0xF0
382 #define H_PURR                  0xF4
383 #define H_PIC                   0xF8
384 #define H_REG_CRQ               0xFC
385 #define H_FREE_CRQ              0x100
386 #define H_VIO_SIGNAL            0x104
387 #define H_SEND_CRQ              0x108
388 #define H_COPY_RDMA             0x110
389 #define H_REGISTER_LOGICAL_LAN  0x114
390 #define H_FREE_LOGICAL_LAN      0x118
391 #define H_ADD_LOGICAL_LAN_BUFFER 0x11C
392 #define H_SEND_LOGICAL_LAN      0x120
393 #define H_BULK_REMOVE           0x124
394 #define H_MULTICAST_CTRL        0x130
395 #define H_SET_XDABR             0x134
396 #define H_STUFF_TCE             0x138
397 #define H_PUT_TCE_INDIRECT      0x13C
398 #define H_CHANGE_LOGICAL_LAN_MAC 0x14C
399 #define H_VTERM_PARTNER_INFO    0x150
400 #define H_REGISTER_VTERM        0x154
401 #define H_FREE_VTERM            0x158
402 #define H_RESET_EVENTS          0x15C
403 #define H_ALLOC_RESOURCE        0x160
404 #define H_FREE_RESOURCE         0x164
405 #define H_MODIFY_QP             0x168
406 #define H_QUERY_QP              0x16C
407 #define H_REREGISTER_PMR        0x170
408 #define H_REGISTER_SMR          0x174
409 #define H_QUERY_MR              0x178
410 #define H_QUERY_MW              0x17C
411 #define H_QUERY_HCA             0x180
412 #define H_QUERY_PORT            0x184
413 #define H_MODIFY_PORT           0x188
414 #define H_DEFINE_AQP1           0x18C
415 #define H_GET_TRACE_BUFFER      0x190
416 #define H_DEFINE_AQP0           0x194
417 #define H_RESIZE_MR             0x198
418 #define H_ATTACH_MCQP           0x19C
419 #define H_DETACH_MCQP           0x1A0
420 #define H_CREATE_RPT            0x1A4
421 #define H_REMOVE_RPT            0x1A8
422 #define H_REGISTER_RPAGES       0x1AC
423 #define H_DISABLE_AND_GETC      0x1B0
424 #define H_ERROR_DATA            0x1B4
425 #define H_GET_HCA_INFO          0x1B8
426 #define H_GET_PERF_COUNT        0x1BC
427 #define H_MANAGE_TRACE          0x1C0
428 #define H_GET_CPU_CHARACTERISTICS 0x1C8
429 #define H_FREE_LOGICAL_LAN_BUFFER 0x1D4
430 #define H_QUERY_INT_STATE       0x1E4
431 #define H_POLL_PENDING          0x1D8
432 #define H_ILLAN_ATTRIBUTES      0x244
433 #define H_MODIFY_HEA_QP         0x250
434 #define H_QUERY_HEA_QP          0x254
435 #define H_QUERY_HEA             0x258
436 #define H_QUERY_HEA_PORT        0x25C
437 #define H_MODIFY_HEA_PORT       0x260
438 #define H_REG_BCMC              0x264
439 #define H_DEREG_BCMC            0x268
440 #define H_REGISTER_HEA_RPAGES   0x26C
441 #define H_DISABLE_AND_GET_HEA   0x270
442 #define H_GET_HEA_INFO          0x274
443 #define H_ALLOC_HEA_RESOURCE    0x278
444 #define H_ADD_CONN              0x284
445 #define H_DEL_CONN              0x288
446 #define H_JOIN                  0x298
447 #define H_VASI_STATE            0x2A4
448 #define H_ENABLE_CRQ            0x2B0
449 #define H_GET_EM_PARMS          0x2B8
450 #define H_SET_MPP               0x2D0
451 #define H_GET_MPP               0x2D4
452 #define H_HOME_NODE_ASSOCIATIVITY 0x2EC
453 #define H_XIRR_X                0x2FC
454 #define H_RANDOM                0x300
455 #define H_SET_MODE              0x31C
456 #define H_RESIZE_HPT_PREPARE    0x36C
457 #define H_RESIZE_HPT_COMMIT     0x370
458 #define H_CLEAN_SLB             0x374
459 #define H_INVALIDATE_PID        0x378
460 #define H_REGISTER_PROC_TBL     0x37C
461 #define H_SIGNAL_SYS_RESET      0x380
462 
463 #define H_INT_GET_SOURCE_INFO   0x3A8
464 #define H_INT_SET_SOURCE_CONFIG 0x3AC
465 #define H_INT_GET_SOURCE_CONFIG 0x3B0
466 #define H_INT_GET_QUEUE_INFO    0x3B4
467 #define H_INT_SET_QUEUE_CONFIG  0x3B8
468 #define H_INT_GET_QUEUE_CONFIG  0x3BC
469 #define H_INT_SET_OS_REPORTING_LINE 0x3C0
470 #define H_INT_GET_OS_REPORTING_LINE 0x3C4
471 #define H_INT_ESB               0x3C8
472 #define H_INT_SYNC              0x3CC
473 #define H_INT_RESET             0x3D0
474 
475 #define MAX_HCALL_OPCODE        H_INT_RESET
476 
477 /* The hcalls above are standardized in PAPR and implemented by pHyp
478  * as well.
479  *
480  * We also need some hcalls which are specific to qemu / KVM-on-POWER.
481  * We put those into the 0xf000-0xfffc range which is reserved by PAPR
482  * for "platform-specific" hcalls.
483  */
484 #define KVMPPC_HCALL_BASE       0xf000
485 #define KVMPPC_H_RTAS           (KVMPPC_HCALL_BASE + 0x0)
486 #define KVMPPC_H_LOGICAL_MEMOP  (KVMPPC_HCALL_BASE + 0x1)
487 /* Client Architecture support */
488 #define KVMPPC_H_CAS            (KVMPPC_HCALL_BASE + 0x2)
489 #define KVMPPC_H_UPDATE_DT      (KVMPPC_HCALL_BASE + 0x3)
490 #define KVMPPC_HCALL_MAX        KVMPPC_H_UPDATE_DT
491 
492 typedef struct sPAPRDeviceTreeUpdateHeader {
493     uint32_t version_id;
494 } sPAPRDeviceTreeUpdateHeader;
495 
496 #define hcall_dprintf(fmt, ...) \
497     do { \
498         qemu_log_mask(LOG_GUEST_ERROR, "%s: " fmt, __func__, ## __VA_ARGS__); \
499     } while (0)
500 
501 typedef target_ulong (*spapr_hcall_fn)(PowerPCCPU *cpu, sPAPRMachineState *sm,
502                                        target_ulong opcode,
503                                        target_ulong *args);
504 
505 void spapr_register_hypercall(target_ulong opcode, spapr_hcall_fn fn);
506 target_ulong spapr_hypercall(PowerPCCPU *cpu, target_ulong opcode,
507                              target_ulong *args);
508 
509 /* ibm,set-eeh-option */
510 #define RTAS_EEH_DISABLE                 0
511 #define RTAS_EEH_ENABLE                  1
512 #define RTAS_EEH_THAW_IO                 2
513 #define RTAS_EEH_THAW_DMA                3
514 
515 /* ibm,get-config-addr-info2 */
516 #define RTAS_GET_PE_ADDR                 0
517 #define RTAS_GET_PE_MODE                 1
518 #define RTAS_PE_MODE_NONE                0
519 #define RTAS_PE_MODE_NOT_SHARED          1
520 #define RTAS_PE_MODE_SHARED              2
521 
522 /* ibm,read-slot-reset-state2 */
523 #define RTAS_EEH_PE_STATE_NORMAL         0
524 #define RTAS_EEH_PE_STATE_RESET          1
525 #define RTAS_EEH_PE_STATE_STOPPED_IO_DMA 2
526 #define RTAS_EEH_PE_STATE_STOPPED_DMA    4
527 #define RTAS_EEH_PE_STATE_UNAVAIL        5
528 #define RTAS_EEH_NOT_SUPPORT             0
529 #define RTAS_EEH_SUPPORT                 1
530 #define RTAS_EEH_PE_UNAVAIL_INFO         1000
531 #define RTAS_EEH_PE_RECOVER_INFO         0
532 
533 /* ibm,set-slot-reset */
534 #define RTAS_SLOT_RESET_DEACTIVATE       0
535 #define RTAS_SLOT_RESET_HOT              1
536 #define RTAS_SLOT_RESET_FUNDAMENTAL      3
537 
538 /* ibm,slot-error-detail */
539 #define RTAS_SLOT_TEMP_ERR_LOG           1
540 #define RTAS_SLOT_PERM_ERR_LOG           2
541 
542 /* RTAS return codes */
543 #define RTAS_OUT_SUCCESS                        0
544 #define RTAS_OUT_NO_ERRORS_FOUND                1
545 #define RTAS_OUT_HW_ERROR                       -1
546 #define RTAS_OUT_BUSY                           -2
547 #define RTAS_OUT_PARAM_ERROR                    -3
548 #define RTAS_OUT_NOT_SUPPORTED                  -3
549 #define RTAS_OUT_NO_SUCH_INDICATOR              -3
550 #define RTAS_OUT_NOT_AUTHORIZED                 -9002
551 #define RTAS_OUT_SYSPARM_PARAM_ERROR            -9999
552 
553 /* DDW pagesize mask values from ibm,query-pe-dma-window */
554 #define RTAS_DDW_PGSIZE_4K       0x01
555 #define RTAS_DDW_PGSIZE_64K      0x02
556 #define RTAS_DDW_PGSIZE_16M      0x04
557 #define RTAS_DDW_PGSIZE_32M      0x08
558 #define RTAS_DDW_PGSIZE_64M      0x10
559 #define RTAS_DDW_PGSIZE_128M     0x20
560 #define RTAS_DDW_PGSIZE_256M     0x40
561 #define RTAS_DDW_PGSIZE_16G      0x80
562 
563 /* RTAS tokens */
564 #define RTAS_TOKEN_BASE      0x2000
565 
566 #define RTAS_DISPLAY_CHARACTER                  (RTAS_TOKEN_BASE + 0x00)
567 #define RTAS_GET_TIME_OF_DAY                    (RTAS_TOKEN_BASE + 0x01)
568 #define RTAS_SET_TIME_OF_DAY                    (RTAS_TOKEN_BASE + 0x02)
569 #define RTAS_POWER_OFF                          (RTAS_TOKEN_BASE + 0x03)
570 #define RTAS_SYSTEM_REBOOT                      (RTAS_TOKEN_BASE + 0x04)
571 #define RTAS_QUERY_CPU_STOPPED_STATE            (RTAS_TOKEN_BASE + 0x05)
572 #define RTAS_START_CPU                          (RTAS_TOKEN_BASE + 0x06)
573 #define RTAS_STOP_SELF                          (RTAS_TOKEN_BASE + 0x07)
574 #define RTAS_IBM_GET_SYSTEM_PARAMETER           (RTAS_TOKEN_BASE + 0x08)
575 #define RTAS_IBM_SET_SYSTEM_PARAMETER           (RTAS_TOKEN_BASE + 0x09)
576 #define RTAS_IBM_SET_XIVE                       (RTAS_TOKEN_BASE + 0x0A)
577 #define RTAS_IBM_GET_XIVE                       (RTAS_TOKEN_BASE + 0x0B)
578 #define RTAS_IBM_INT_OFF                        (RTAS_TOKEN_BASE + 0x0C)
579 #define RTAS_IBM_INT_ON                         (RTAS_TOKEN_BASE + 0x0D)
580 #define RTAS_CHECK_EXCEPTION                    (RTAS_TOKEN_BASE + 0x0E)
581 #define RTAS_EVENT_SCAN                         (RTAS_TOKEN_BASE + 0x0F)
582 #define RTAS_IBM_SET_TCE_BYPASS                 (RTAS_TOKEN_BASE + 0x10)
583 #define RTAS_QUIESCE                            (RTAS_TOKEN_BASE + 0x11)
584 #define RTAS_NVRAM_FETCH                        (RTAS_TOKEN_BASE + 0x12)
585 #define RTAS_NVRAM_STORE                        (RTAS_TOKEN_BASE + 0x13)
586 #define RTAS_READ_PCI_CONFIG                    (RTAS_TOKEN_BASE + 0x14)
587 #define RTAS_WRITE_PCI_CONFIG                   (RTAS_TOKEN_BASE + 0x15)
588 #define RTAS_IBM_READ_PCI_CONFIG                (RTAS_TOKEN_BASE + 0x16)
589 #define RTAS_IBM_WRITE_PCI_CONFIG               (RTAS_TOKEN_BASE + 0x17)
590 #define RTAS_IBM_QUERY_INTERRUPT_SOURCE_NUMBER  (RTAS_TOKEN_BASE + 0x18)
591 #define RTAS_IBM_CHANGE_MSI                     (RTAS_TOKEN_BASE + 0x19)
592 #define RTAS_SET_INDICATOR                      (RTAS_TOKEN_BASE + 0x1A)
593 #define RTAS_SET_POWER_LEVEL                    (RTAS_TOKEN_BASE + 0x1B)
594 #define RTAS_GET_POWER_LEVEL                    (RTAS_TOKEN_BASE + 0x1C)
595 #define RTAS_GET_SENSOR_STATE                   (RTAS_TOKEN_BASE + 0x1D)
596 #define RTAS_IBM_CONFIGURE_CONNECTOR            (RTAS_TOKEN_BASE + 0x1E)
597 #define RTAS_IBM_OS_TERM                        (RTAS_TOKEN_BASE + 0x1F)
598 #define RTAS_IBM_SET_EEH_OPTION                 (RTAS_TOKEN_BASE + 0x20)
599 #define RTAS_IBM_GET_CONFIG_ADDR_INFO2          (RTAS_TOKEN_BASE + 0x21)
600 #define RTAS_IBM_READ_SLOT_RESET_STATE2         (RTAS_TOKEN_BASE + 0x22)
601 #define RTAS_IBM_SET_SLOT_RESET                 (RTAS_TOKEN_BASE + 0x23)
602 #define RTAS_IBM_CONFIGURE_PE                   (RTAS_TOKEN_BASE + 0x24)
603 #define RTAS_IBM_SLOT_ERROR_DETAIL              (RTAS_TOKEN_BASE + 0x25)
604 #define RTAS_IBM_QUERY_PE_DMA_WINDOW            (RTAS_TOKEN_BASE + 0x26)
605 #define RTAS_IBM_CREATE_PE_DMA_WINDOW           (RTAS_TOKEN_BASE + 0x27)
606 #define RTAS_IBM_REMOVE_PE_DMA_WINDOW           (RTAS_TOKEN_BASE + 0x28)
607 #define RTAS_IBM_RESET_PE_DMA_WINDOW            (RTAS_TOKEN_BASE + 0x29)
608 
609 #define RTAS_TOKEN_MAX                          (RTAS_TOKEN_BASE + 0x2A)
610 
611 /* RTAS ibm,get-system-parameter token values */
612 #define RTAS_SYSPARM_SPLPAR_CHARACTERISTICS      20
613 #define RTAS_SYSPARM_DIAGNOSTICS_RUN_MODE        42
614 #define RTAS_SYSPARM_UUID                        48
615 
616 /* RTAS indicator/sensor types
617  *
618  * as defined by PAPR+ 2.7 7.3.5.4, Table 41
619  *
620  * NOTE: currently only DR-related sensors are implemented here
621  */
622 #define RTAS_SENSOR_TYPE_ISOLATION_STATE        9001
623 #define RTAS_SENSOR_TYPE_DR                     9002
624 #define RTAS_SENSOR_TYPE_ALLOCATION_STATE       9003
625 #define RTAS_SENSOR_TYPE_ENTITY_SENSE RTAS_SENSOR_TYPE_ALLOCATION_STATE
626 
627 /* Possible values for the platform-processor-diagnostics-run-mode parameter
628  * of the RTAS ibm,get-system-parameter call.
629  */
630 #define DIAGNOSTICS_RUN_MODE_DISABLED  0
631 #define DIAGNOSTICS_RUN_MODE_STAGGERED 1
632 #define DIAGNOSTICS_RUN_MODE_IMMEDIATE 2
633 #define DIAGNOSTICS_RUN_MODE_PERIODIC  3
634 
635 static inline uint64_t ppc64_phys_to_real(uint64_t addr)
636 {
637     return addr & ~0xF000000000000000ULL;
638 }
639 
640 static inline uint32_t rtas_ld(target_ulong phys, int n)
641 {
642     return ldl_be_phys(&address_space_memory, ppc64_phys_to_real(phys + 4*n));
643 }
644 
645 static inline uint64_t rtas_ldq(target_ulong phys, int n)
646 {
647     return (uint64_t)rtas_ld(phys, n) << 32 | rtas_ld(phys, n + 1);
648 }
649 
650 static inline void rtas_st(target_ulong phys, int n, uint32_t val)
651 {
652     stl_be_phys(&address_space_memory, ppc64_phys_to_real(phys + 4*n), val);
653 }
654 
655 typedef void (*spapr_rtas_fn)(PowerPCCPU *cpu, sPAPRMachineState *sm,
656                               uint32_t token,
657                               uint32_t nargs, target_ulong args,
658                               uint32_t nret, target_ulong rets);
659 void spapr_rtas_register(int token, const char *name, spapr_rtas_fn fn);
660 target_ulong spapr_rtas_call(PowerPCCPU *cpu, sPAPRMachineState *sm,
661                              uint32_t token, uint32_t nargs, target_ulong args,
662                              uint32_t nret, target_ulong rets);
663 void spapr_dt_rtas_tokens(void *fdt, int rtas);
664 void spapr_load_rtas(sPAPRMachineState *spapr, void *fdt, hwaddr addr);
665 
666 #define SPAPR_TCE_PAGE_SHIFT   12
667 #define SPAPR_TCE_PAGE_SIZE    (1ULL << SPAPR_TCE_PAGE_SHIFT)
668 #define SPAPR_TCE_PAGE_MASK    (SPAPR_TCE_PAGE_SIZE - 1)
669 
670 #define SPAPR_VIO_BASE_LIOBN    0x00000000
671 #define SPAPR_VIO_LIOBN(reg)    (0x00000000 | (reg))
672 #define SPAPR_PCI_LIOBN(phb_index, window_num) \
673     (0x80000000 | ((phb_index) << 8) | (window_num))
674 #define SPAPR_IS_PCI_LIOBN(liobn)   (!!((liobn) & 0x80000000))
675 #define SPAPR_PCI_DMA_WINDOW_NUM(liobn) ((liobn) & 0xff)
676 
677 #define RTAS_ERROR_LOG_MAX      2048
678 
679 #define RTAS_EVENT_SCAN_RATE    1
680 
681 /* This helper should be used to encode interrupt specifiers when the related
682  * "interrupt-controller" node has its "#interrupt-cells" property set to 2 (ie,
683  * VIO devices, RTAS event sources and PHBs).
684  */
685 static inline void spapr_dt_xics_irq(uint32_t *intspec, int irq, bool is_lsi)
686 {
687     intspec[0] = cpu_to_be32(irq);
688     intspec[1] = is_lsi ? cpu_to_be32(1) : 0;
689 }
690 
691 typedef struct sPAPRTCETable sPAPRTCETable;
692 
693 #define TYPE_SPAPR_TCE_TABLE "spapr-tce-table"
694 #define SPAPR_TCE_TABLE(obj) \
695     OBJECT_CHECK(sPAPRTCETable, (obj), TYPE_SPAPR_TCE_TABLE)
696 
697 #define TYPE_SPAPR_IOMMU_MEMORY_REGION "spapr-iommu-memory-region"
698 #define SPAPR_IOMMU_MEMORY_REGION(obj) \
699         OBJECT_CHECK(IOMMUMemoryRegion, (obj), TYPE_SPAPR_IOMMU_MEMORY_REGION)
700 
701 struct sPAPRTCETable {
702     DeviceState parent;
703     uint32_t liobn;
704     uint32_t nb_table;
705     uint64_t bus_offset;
706     uint32_t page_shift;
707     uint64_t *table;
708     uint32_t mig_nb_table;
709     uint64_t *mig_table;
710     bool bypass;
711     bool need_vfio;
712     int fd;
713     MemoryRegion root;
714     IOMMUMemoryRegion iommu;
715     struct VIOsPAPRDevice *vdev; /* for @bypass migration compatibility only */
716     QLIST_ENTRY(sPAPRTCETable) list;
717 };
718 
719 sPAPRTCETable *spapr_tce_find_by_liobn(target_ulong liobn);
720 
721 struct sPAPREventLogEntry {
722     uint32_t summary;
723     uint32_t extended_length;
724     void *extended_log;
725     QTAILQ_ENTRY(sPAPREventLogEntry) next;
726 };
727 
728 void spapr_events_init(sPAPRMachineState *sm);
729 void spapr_dt_events(sPAPRMachineState *sm, void *fdt);
730 int spapr_h_cas_compose_response(sPAPRMachineState *sm,
731                                  target_ulong addr, target_ulong size,
732                                  sPAPROptionVector *ov5_updates);
733 void close_htab_fd(sPAPRMachineState *spapr);
734 void spapr_setup_hpt_and_vrma(sPAPRMachineState *spapr);
735 void spapr_free_hpt(sPAPRMachineState *spapr);
736 sPAPRTCETable *spapr_tce_new_table(DeviceState *owner, uint32_t liobn);
737 void spapr_tce_table_enable(sPAPRTCETable *tcet,
738                             uint32_t page_shift, uint64_t bus_offset,
739                             uint32_t nb_table);
740 void spapr_tce_table_disable(sPAPRTCETable *tcet);
741 void spapr_tce_set_need_vfio(sPAPRTCETable *tcet, bool need_vfio);
742 
743 MemoryRegion *spapr_tce_get_iommu(sPAPRTCETable *tcet);
744 int spapr_dma_dt(void *fdt, int node_off, const char *propname,
745                  uint32_t liobn, uint64_t window, uint32_t size);
746 int spapr_tcet_dma_dt(void *fdt, int node_off, const char *propname,
747                       sPAPRTCETable *tcet);
748 void spapr_pci_switch_vga(bool big_endian);
749 void spapr_hotplug_req_add_by_index(sPAPRDRConnector *drc);
750 void spapr_hotplug_req_remove_by_index(sPAPRDRConnector *drc);
751 void spapr_hotplug_req_add_by_count(sPAPRDRConnectorType drc_type,
752                                        uint32_t count);
753 void spapr_hotplug_req_remove_by_count(sPAPRDRConnectorType drc_type,
754                                           uint32_t count);
755 void spapr_hotplug_req_add_by_count_indexed(sPAPRDRConnectorType drc_type,
756                                             uint32_t count, uint32_t index);
757 void spapr_hotplug_req_remove_by_count_indexed(sPAPRDRConnectorType drc_type,
758                                                uint32_t count, uint32_t index);
759 int spapr_hpt_shift_for_ramsize(uint64_t ramsize);
760 void spapr_reallocate_hpt(sPAPRMachineState *spapr, int shift,
761                           Error **errp);
762 void spapr_clear_pending_events(sPAPRMachineState *spapr);
763 int spapr_max_server_number(sPAPRMachineState *spapr);
764 
765 /* CPU and LMB DRC release callbacks. */
766 void spapr_core_release(DeviceState *dev);
767 void spapr_lmb_release(DeviceState *dev);
768 
769 void spapr_rtc_read(sPAPRRTCState *rtc, struct tm *tm, uint32_t *ns);
770 int spapr_rtc_import_offset(sPAPRRTCState *rtc, int64_t legacy_offset);
771 
772 #define TYPE_SPAPR_RNG "spapr-rng"
773 
774 #define SPAPR_MEMORY_BLOCK_SIZE (1 << 28) /* 256MB */
775 
776 /*
777  * This defines the maximum number of DIMM slots we can have for sPAPR
778  * guest. This is not defined by sPAPR but we are defining it to 32 slots
779  * based on default number of slots provided by PowerPC kernel.
780  */
781 #define SPAPR_MAX_RAM_SLOTS     32
782 
783 /* 1GB alignment for hotplug memory region */
784 #define SPAPR_DEVICE_MEM_ALIGN (1 * GiB)
785 
786 /*
787  * Number of 32 bit words in each LMB list entry in ibm,dynamic-memory
788  * property under ibm,dynamic-reconfiguration-memory node.
789  */
790 #define SPAPR_DR_LMB_LIST_ENTRY_SIZE 6
791 
792 /*
793  * Defines for flag value in ibm,dynamic-memory property under
794  * ibm,dynamic-reconfiguration-memory node.
795  */
796 #define SPAPR_LMB_FLAGS_ASSIGNED 0x00000008
797 #define SPAPR_LMB_FLAGS_DRC_INVALID 0x00000020
798 #define SPAPR_LMB_FLAGS_RESERVED 0x00000080
799 
800 void spapr_do_system_reset_on_cpu(CPUState *cs, run_on_cpu_data arg);
801 
802 #define HTAB_SIZE(spapr)        (1ULL << ((spapr)->htab_shift))
803 
804 int spapr_get_vcpu_id(PowerPCCPU *cpu);
805 void spapr_set_vcpu_id(PowerPCCPU *cpu, int cpu_index, Error **errp);
806 PowerPCCPU *spapr_find_cpu(int vcpu_id);
807 
808 int spapr_caps_pre_load(void *opaque);
809 int spapr_caps_pre_save(void *opaque);
810 
811 /*
812  * Handling of optional capabilities
813  */
814 extern const VMStateDescription vmstate_spapr_cap_htm;
815 extern const VMStateDescription vmstate_spapr_cap_vsx;
816 extern const VMStateDescription vmstate_spapr_cap_dfp;
817 extern const VMStateDescription vmstate_spapr_cap_cfpc;
818 extern const VMStateDescription vmstate_spapr_cap_sbbc;
819 extern const VMStateDescription vmstate_spapr_cap_ibs;
820 extern const VMStateDescription vmstate_spapr_cap_nested_kvm_hv;
821 
822 static inline uint8_t spapr_get_cap(sPAPRMachineState *spapr, int cap)
823 {
824     return spapr->eff.caps[cap];
825 }
826 
827 void spapr_caps_init(sPAPRMachineState *spapr);
828 void spapr_caps_apply(sPAPRMachineState *spapr);
829 void spapr_caps_cpu_apply(sPAPRMachineState *spapr, PowerPCCPU *cpu);
830 void spapr_caps_add_properties(sPAPRMachineClass *smc, Error **errp);
831 int spapr_caps_post_migration(sPAPRMachineState *spapr);
832 
833 void spapr_check_pagesize(sPAPRMachineState *spapr, hwaddr pagesize,
834                           Error **errp);
835 /*
836  * XIVE definitions
837  */
838 #define SPAPR_OV5_XIVE_LEGACY   0x0
839 #define SPAPR_OV5_XIVE_EXPLOIT  0x40
840 #define SPAPR_OV5_XIVE_BOTH     0x80 /* Only to advertise on the platform */
841 
842 #endif /* HW_SPAPR_H */
843