xref: /openbmc/qemu/include/hw/ppc/spapr.h (revision 979a8902)
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 #include "hw/ppc/spapr_tpm_proxy.h"
14 
15 struct SpaprVioBus;
16 struct SpaprPhbState;
17 struct SpaprNvram;
18 
19 typedef struct SpaprEventLogEntry SpaprEventLogEntry;
20 typedef struct SpaprEventSource SpaprEventSource;
21 typedef struct SpaprPendingHpt SpaprPendingHpt;
22 
23 #define HPTE64_V_HPTE_DIRTY     0x0000000000000040ULL
24 #define SPAPR_ENTRY_POINT       0x100
25 
26 #define SPAPR_TIMEBASE_FREQ     512000000ULL
27 
28 #define TYPE_SPAPR_RTC "spapr-rtc"
29 
30 #define SPAPR_RTC(obj)                                  \
31     OBJECT_CHECK(SpaprRtcState, (obj), TYPE_SPAPR_RTC)
32 
33 typedef struct SpaprRtcState SpaprRtcState;
34 struct SpaprRtcState {
35     /*< private >*/
36     DeviceState parent_obj;
37     int64_t ns_offset;
38 };
39 
40 typedef struct SpaprDimmState SpaprDimmState;
41 typedef struct SpaprMachineClass SpaprMachineClass;
42 
43 #define TYPE_SPAPR_MACHINE      "spapr-machine"
44 #define SPAPR_MACHINE(obj) \
45     OBJECT_CHECK(SpaprMachineState, (obj), TYPE_SPAPR_MACHINE)
46 #define SPAPR_MACHINE_GET_CLASS(obj) \
47     OBJECT_GET_CLASS(SpaprMachineClass, obj, TYPE_SPAPR_MACHINE)
48 #define SPAPR_MACHINE_CLASS(klass) \
49     OBJECT_CLASS_CHECK(SpaprMachineClass, klass, TYPE_SPAPR_MACHINE)
50 
51 typedef enum {
52     SPAPR_RESIZE_HPT_DEFAULT = 0,
53     SPAPR_RESIZE_HPT_DISABLED,
54     SPAPR_RESIZE_HPT_ENABLED,
55     SPAPR_RESIZE_HPT_REQUIRED,
56 } SpaprResizeHpt;
57 
58 /**
59  * Capabilities
60  */
61 
62 /* Hardware Transactional Memory */
63 #define SPAPR_CAP_HTM                   0x00
64 /* Vector Scalar Extensions */
65 #define SPAPR_CAP_VSX                   0x01
66 /* Decimal Floating Point */
67 #define SPAPR_CAP_DFP                   0x02
68 /* Cache Flush on Privilege Change */
69 #define SPAPR_CAP_CFPC                  0x03
70 /* Speculation Barrier Bounds Checking */
71 #define SPAPR_CAP_SBBC                  0x04
72 /* Indirect Branch Serialisation */
73 #define SPAPR_CAP_IBS                   0x05
74 /* HPT Maximum Page Size (encoded as a shift) */
75 #define SPAPR_CAP_HPT_MAXPAGESIZE       0x06
76 /* Nested KVM-HV */
77 #define SPAPR_CAP_NESTED_KVM_HV         0x07
78 /* Large Decrementer */
79 #define SPAPR_CAP_LARGE_DECREMENTER     0x08
80 /* Count Cache Flush Assist HW Instruction */
81 #define SPAPR_CAP_CCF_ASSIST            0x09
82 /* FWNMI machine check handling */
83 #define SPAPR_CAP_FWNMI_MCE             0x0A
84 /* Num Caps */
85 #define SPAPR_CAP_NUM                   (SPAPR_CAP_FWNMI_MCE + 1)
86 
87 /*
88  * Capability Values
89  */
90 /* Bool Caps */
91 #define SPAPR_CAP_OFF                   0x00
92 #define SPAPR_CAP_ON                    0x01
93 
94 /* Custom Caps */
95 
96 /* Generic */
97 #define SPAPR_CAP_BROKEN                0x00
98 #define SPAPR_CAP_WORKAROUND            0x01
99 #define SPAPR_CAP_FIXED                 0x02
100 /* SPAPR_CAP_IBS (cap-ibs) */
101 #define SPAPR_CAP_FIXED_IBS             0x02
102 #define SPAPR_CAP_FIXED_CCD             0x03
103 #define SPAPR_CAP_FIXED_NA              0x10 /* Lets leave a bit of a gap... */
104 
105 typedef struct SpaprCapabilities SpaprCapabilities;
106 struct SpaprCapabilities {
107     uint8_t caps[SPAPR_CAP_NUM];
108 };
109 
110 /**
111  * SpaprMachineClass:
112  */
113 struct SpaprMachineClass {
114     /*< private >*/
115     MachineClass parent_class;
116 
117     /*< public >*/
118     bool dr_lmb_enabled;       /* enable dynamic-reconfig/hotplug of LMBs */
119     bool dr_phb_enabled;       /* enable dynamic-reconfig/hotplug of PHBs */
120     bool update_dt_enabled;    /* enable KVMPPC_H_UPDATE_DT */
121     bool use_ohci_by_default;  /* use USB-OHCI instead of XHCI */
122     bool pre_2_10_has_unused_icps;
123     bool legacy_irq_allocation;
124     uint32_t nr_xirqs;
125     bool broken_host_serial_model; /* present real host info to the guest */
126     bool pre_4_1_migration; /* don't migrate hpt-max-page-size */
127     bool linux_pci_probe;
128     bool smp_threads_vsmt; /* set VSMT to smp_threads by default */
129 
130     void (*phb_placement)(SpaprMachineState *spapr, uint32_t index,
131                           uint64_t *buid, hwaddr *pio,
132                           hwaddr *mmio32, hwaddr *mmio64,
133                           unsigned n_dma, uint32_t *liobns, hwaddr *nv2gpa,
134                           hwaddr *nv2atsd, Error **errp);
135     SpaprResizeHpt resize_hpt_default;
136     SpaprCapabilities default_caps;
137     SpaprIrq *irq;
138 };
139 
140 /**
141  * SpaprMachineState:
142  */
143 struct SpaprMachineState {
144     /*< private >*/
145     MachineState parent_obj;
146 
147     struct SpaprVioBus *vio_bus;
148     QLIST_HEAD(, SpaprPhbState) phbs;
149     struct SpaprNvram *nvram;
150     SpaprRtcState rtc;
151 
152     SpaprResizeHpt resize_hpt;
153     void *htab;
154     uint32_t htab_shift;
155     uint64_t patb_entry; /* Process tbl registed in H_REGISTER_PROCESS_TABLE */
156     SpaprPendingHpt *pending_hpt; /* in-progress resize */
157 
158     hwaddr rma_size;
159     int vrma_adjust;
160     uint32_t fdt_size;
161     uint32_t fdt_initial_size;
162     void *fdt_blob;
163     long kernel_size;
164     bool kernel_le;
165     uint32_t initrd_base;
166     long initrd_size;
167     uint64_t rtc_offset; /* Now used only during incoming migration */
168     struct PPCTimebase tb;
169     bool has_graphics;
170     uint32_t vsmt;       /* Virtual SMT mode (KVM's "core stride") */
171 
172     Notifier epow_notifier;
173     QTAILQ_HEAD(, SpaprEventLogEntry) pending_events;
174     bool use_hotplug_event_source;
175     SpaprEventSource *event_sources;
176 
177     /* ibm,client-architecture-support option negotiation */
178     bool cas_reboot;
179     bool cas_pre_isa3_guest;
180     SpaprOptionVector *ov5;         /* QEMU-supported option vectors */
181     SpaprOptionVector *ov5_cas;     /* negotiated (via CAS) option vectors */
182     uint32_t max_compat_pvr;
183 
184     /* Migration state */
185     int htab_save_index;
186     bool htab_first_pass;
187     int htab_fd;
188 
189     /* Pending DIMM unplug cache. It is populated when a LMB
190      * unplug starts. It can be regenerated if a migration
191      * occurs during the unplug process. */
192     QTAILQ_HEAD(, SpaprDimmState) pending_dimm_unplugs;
193 
194     /* State related to "ibm,nmi-register" and "ibm,nmi-interlock" calls */
195     target_ulong guest_machine_check_addr;
196     /*
197      * mc_status is set to -1 if mc is not in progress, else is set to the CPU
198      * handling the mc.
199      */
200     int mc_status;
201     QemuCond mc_delivery_cond;
202 
203     /*< public >*/
204     char *kvm_type;
205     char *host_model;
206     char *host_serial;
207 
208     int32_t irq_map_nr;
209     unsigned long *irq_map;
210     SpaprIrq *irq;
211     qemu_irq *qirqs;
212     SpaprInterruptController *active_intc;
213     ICSState *ics;
214     SpaprXive *xive;
215 
216     bool cmd_line_caps[SPAPR_CAP_NUM];
217     SpaprCapabilities def, eff, mig;
218 
219     unsigned gpu_numa_id;
220     SpaprTpmProxy *tpm_proxy;
221 
222     Error *fwnmi_migration_blocker;
223 };
224 
225 #define H_SUCCESS         0
226 #define H_BUSY            1        /* Hardware busy -- retry later */
227 #define H_CLOSED          2        /* Resource closed */
228 #define H_NOT_AVAILABLE   3
229 #define H_CONSTRAINED     4        /* Resource request constrained to max allowed */
230 #define H_PARTIAL         5
231 #define H_IN_PROGRESS     14       /* Kind of like busy */
232 #define H_PAGE_REGISTERED 15
233 #define H_PARTIAL_STORE   16
234 #define H_PENDING         17       /* returned from H_POLL_PENDING */
235 #define H_CONTINUE        18       /* Returned from H_Join on success */
236 #define H_LONG_BUSY_START_RANGE         9900  /* Start of long busy range */
237 #define H_LONG_BUSY_ORDER_1_MSEC        9900  /* Long busy, hint that 1msec \
238                                                  is a good time to retry */
239 #define H_LONG_BUSY_ORDER_10_MSEC       9901  /* Long busy, hint that 10msec \
240                                                  is a good time to retry */
241 #define H_LONG_BUSY_ORDER_100_MSEC      9902  /* Long busy, hint that 100msec \
242                                                  is a good time to retry */
243 #define H_LONG_BUSY_ORDER_1_SEC         9903  /* Long busy, hint that 1sec \
244                                                  is a good time to retry */
245 #define H_LONG_BUSY_ORDER_10_SEC        9904  /* Long busy, hint that 10sec \
246                                                  is a good time to retry */
247 #define H_LONG_BUSY_ORDER_100_SEC       9905  /* Long busy, hint that 100sec \
248                                                  is a good time to retry */
249 #define H_LONG_BUSY_END_RANGE           9905  /* End of long busy range */
250 #define H_HARDWARE        -1       /* Hardware error */
251 #define H_FUNCTION        -2       /* Function not supported */
252 #define H_PRIVILEGE       -3       /* Caller not privileged */
253 #define H_PARAMETER       -4       /* Parameter invalid, out-of-range or conflicting */
254 #define H_BAD_MODE        -5       /* Illegal msr value */
255 #define H_PTEG_FULL       -6       /* PTEG is full */
256 #define H_NOT_FOUND       -7       /* PTE was not found" */
257 #define H_RESERVED_DABR   -8       /* DABR address is reserved by the hypervisor on this processor" */
258 #define H_NO_MEM          -9
259 #define H_AUTHORITY       -10
260 #define H_PERMISSION      -11
261 #define H_DROPPED         -12
262 #define H_SOURCE_PARM     -13
263 #define H_DEST_PARM       -14
264 #define H_REMOTE_PARM     -15
265 #define H_RESOURCE        -16
266 #define H_ADAPTER_PARM    -17
267 #define H_RH_PARM         -18
268 #define H_RCQ_PARM        -19
269 #define H_SCQ_PARM        -20
270 #define H_EQ_PARM         -21
271 #define H_RT_PARM         -22
272 #define H_ST_PARM         -23
273 #define H_SIGT_PARM       -24
274 #define H_TOKEN_PARM      -25
275 #define H_MLENGTH_PARM    -27
276 #define H_MEM_PARM        -28
277 #define H_MEM_ACCESS_PARM -29
278 #define H_ATTR_PARM       -30
279 #define H_PORT_PARM       -31
280 #define H_MCG_PARM        -32
281 #define H_VL_PARM         -33
282 #define H_TSIZE_PARM      -34
283 #define H_TRACE_PARM      -35
284 
285 #define H_MASK_PARM       -37
286 #define H_MCG_FULL        -38
287 #define H_ALIAS_EXIST     -39
288 #define H_P_COUNTER       -40
289 #define H_TABLE_FULL      -41
290 #define H_ALT_TABLE       -42
291 #define H_MR_CONDITION    -43
292 #define H_NOT_ENOUGH_RESOURCES -44
293 #define H_R_STATE         -45
294 #define H_RESCINDEND      -46
295 #define H_P2              -55
296 #define H_P3              -56
297 #define H_P4              -57
298 #define H_P5              -58
299 #define H_P6              -59
300 #define H_P7              -60
301 #define H_P8              -61
302 #define H_P9              -62
303 #define H_UNSUPPORTED_FLAG -256
304 #define H_MULTI_THREADS_ACTIVE -9005
305 
306 
307 /* Long Busy is a condition that can be returned by the firmware
308  * when a call cannot be completed now, but the identical call
309  * should be retried later.  This prevents calls blocking in the
310  * firmware for long periods of time.  Annoyingly the firmware can return
311  * a range of return codes, hinting at how long we should wait before
312  * retrying.  If you don't care for the hint, the macro below is a good
313  * way to check for the long_busy return codes
314  */
315 #define H_IS_LONG_BUSY(x)  ((x >= H_LONG_BUSY_START_RANGE) \
316                             && (x <= H_LONG_BUSY_END_RANGE))
317 
318 /* Flags */
319 #define H_LARGE_PAGE      (1ULL<<(63-16))
320 #define H_EXACT           (1ULL<<(63-24))       /* Use exact PTE or return H_PTEG_FULL */
321 #define H_R_XLATE         (1ULL<<(63-25))       /* include a valid logical page num in the pte if the valid bit is set */
322 #define H_READ_4          (1ULL<<(63-26))       /* Return 4 PTEs */
323 #define H_PAGE_STATE_CHANGE (1ULL<<(63-28))
324 #define H_PAGE_UNUSED     ((1ULL<<(63-29)) | (1ULL<<(63-30)))
325 #define H_PAGE_SET_UNUSED (H_PAGE_STATE_CHANGE | H_PAGE_UNUSED)
326 #define H_PAGE_SET_LOANED (H_PAGE_SET_UNUSED | (1ULL<<(63-31)))
327 #define H_PAGE_SET_ACTIVE H_PAGE_STATE_CHANGE
328 #define H_AVPN            (1ULL<<(63-32))       /* An avpn is provided as a sanity test */
329 #define H_ANDCOND         (1ULL<<(63-33))
330 #define H_ICACHE_INVALIDATE (1ULL<<(63-40))     /* icbi, etc.  (ignored for IO pages) */
331 #define H_ICACHE_SYNCHRONIZE (1ULL<<(63-41))    /* dcbst, icbi, etc (ignored for IO pages */
332 #define H_ZERO_PAGE       (1ULL<<(63-48))       /* zero the page before mapping (ignored for IO pages) */
333 #define H_COPY_PAGE       (1ULL<<(63-49))
334 #define H_N               (1ULL<<(63-61))
335 #define H_PP1             (1ULL<<(63-62))
336 #define H_PP2             (1ULL<<(63-63))
337 
338 /* Values for 2nd argument to H_SET_MODE */
339 #define H_SET_MODE_RESOURCE_SET_CIABR           1
340 #define H_SET_MODE_RESOURCE_SET_DAWR            2
341 #define H_SET_MODE_RESOURCE_ADDR_TRANS_MODE     3
342 #define H_SET_MODE_RESOURCE_LE                  4
343 
344 /* Flags for H_SET_MODE_RESOURCE_LE */
345 #define H_SET_MODE_ENDIAN_BIG    0
346 #define H_SET_MODE_ENDIAN_LITTLE 1
347 
348 /* VASI States */
349 #define H_VASI_INVALID    0
350 #define H_VASI_ENABLED    1
351 #define H_VASI_ABORTED    2
352 #define H_VASI_SUSPENDING 3
353 #define H_VASI_SUSPENDED  4
354 #define H_VASI_RESUMED    5
355 #define H_VASI_COMPLETED  6
356 
357 /* DABRX flags */
358 #define H_DABRX_HYPERVISOR (1ULL<<(63-61))
359 #define H_DABRX_KERNEL     (1ULL<<(63-62))
360 #define H_DABRX_USER       (1ULL<<(63-63))
361 
362 /* Values for KVM_PPC_GET_CPU_CHAR & H_GET_CPU_CHARACTERISTICS */
363 #define H_CPU_CHAR_SPEC_BAR_ORI31               PPC_BIT(0)
364 #define H_CPU_CHAR_BCCTRL_SERIALISED            PPC_BIT(1)
365 #define H_CPU_CHAR_L1D_FLUSH_ORI30              PPC_BIT(2)
366 #define H_CPU_CHAR_L1D_FLUSH_TRIG2              PPC_BIT(3)
367 #define H_CPU_CHAR_L1D_THREAD_PRIV              PPC_BIT(4)
368 #define H_CPU_CHAR_HON_BRANCH_HINTS             PPC_BIT(5)
369 #define H_CPU_CHAR_THR_RECONF_TRIG              PPC_BIT(6)
370 #define H_CPU_CHAR_CACHE_COUNT_DIS              PPC_BIT(7)
371 #define H_CPU_CHAR_BCCTR_FLUSH_ASSIST           PPC_BIT(9)
372 #define H_CPU_BEHAV_FAVOUR_SECURITY             PPC_BIT(0)
373 #define H_CPU_BEHAV_L1D_FLUSH_PR                PPC_BIT(1)
374 #define H_CPU_BEHAV_BNDS_CHK_SPEC_BAR           PPC_BIT(2)
375 #define H_CPU_BEHAV_FLUSH_COUNT_CACHE           PPC_BIT(5)
376 
377 /* Each control block has to be on a 4K boundary */
378 #define H_CB_ALIGNMENT     4096
379 
380 /* pSeries hypervisor opcodes */
381 #define H_REMOVE                0x04
382 #define H_ENTER                 0x08
383 #define H_READ                  0x0c
384 #define H_CLEAR_MOD             0x10
385 #define H_CLEAR_REF             0x14
386 #define H_PROTECT               0x18
387 #define H_GET_TCE               0x1c
388 #define H_PUT_TCE               0x20
389 #define H_SET_SPRG0             0x24
390 #define H_SET_DABR              0x28
391 #define H_PAGE_INIT             0x2c
392 #define H_SET_ASR               0x30
393 #define H_ASR_ON                0x34
394 #define H_ASR_OFF               0x38
395 #define H_LOGICAL_CI_LOAD       0x3c
396 #define H_LOGICAL_CI_STORE      0x40
397 #define H_LOGICAL_CACHE_LOAD    0x44
398 #define H_LOGICAL_CACHE_STORE   0x48
399 #define H_LOGICAL_ICBI          0x4c
400 #define H_LOGICAL_DCBF          0x50
401 #define H_GET_TERM_CHAR         0x54
402 #define H_PUT_TERM_CHAR         0x58
403 #define H_REAL_TO_LOGICAL       0x5c
404 #define H_HYPERVISOR_DATA       0x60
405 #define H_EOI                   0x64
406 #define H_CPPR                  0x68
407 #define H_IPI                   0x6c
408 #define H_IPOLL                 0x70
409 #define H_XIRR                  0x74
410 #define H_PERFMON               0x7c
411 #define H_MIGRATE_DMA           0x78
412 #define H_REGISTER_VPA          0xDC
413 #define H_CEDE                  0xE0
414 #define H_CONFER                0xE4
415 #define H_PROD                  0xE8
416 #define H_GET_PPP               0xEC
417 #define H_SET_PPP               0xF0
418 #define H_PURR                  0xF4
419 #define H_PIC                   0xF8
420 #define H_REG_CRQ               0xFC
421 #define H_FREE_CRQ              0x100
422 #define H_VIO_SIGNAL            0x104
423 #define H_SEND_CRQ              0x108
424 #define H_COPY_RDMA             0x110
425 #define H_REGISTER_LOGICAL_LAN  0x114
426 #define H_FREE_LOGICAL_LAN      0x118
427 #define H_ADD_LOGICAL_LAN_BUFFER 0x11C
428 #define H_SEND_LOGICAL_LAN      0x120
429 #define H_BULK_REMOVE           0x124
430 #define H_MULTICAST_CTRL        0x130
431 #define H_SET_XDABR             0x134
432 #define H_STUFF_TCE             0x138
433 #define H_PUT_TCE_INDIRECT      0x13C
434 #define H_CHANGE_LOGICAL_LAN_MAC 0x14C
435 #define H_VTERM_PARTNER_INFO    0x150
436 #define H_REGISTER_VTERM        0x154
437 #define H_FREE_VTERM            0x158
438 #define H_RESET_EVENTS          0x15C
439 #define H_ALLOC_RESOURCE        0x160
440 #define H_FREE_RESOURCE         0x164
441 #define H_MODIFY_QP             0x168
442 #define H_QUERY_QP              0x16C
443 #define H_REREGISTER_PMR        0x170
444 #define H_REGISTER_SMR          0x174
445 #define H_QUERY_MR              0x178
446 #define H_QUERY_MW              0x17C
447 #define H_QUERY_HCA             0x180
448 #define H_QUERY_PORT            0x184
449 #define H_MODIFY_PORT           0x188
450 #define H_DEFINE_AQP1           0x18C
451 #define H_GET_TRACE_BUFFER      0x190
452 #define H_DEFINE_AQP0           0x194
453 #define H_RESIZE_MR             0x198
454 #define H_ATTACH_MCQP           0x19C
455 #define H_DETACH_MCQP           0x1A0
456 #define H_CREATE_RPT            0x1A4
457 #define H_REMOVE_RPT            0x1A8
458 #define H_REGISTER_RPAGES       0x1AC
459 #define H_DISABLE_AND_GETC      0x1B0
460 #define H_ERROR_DATA            0x1B4
461 #define H_GET_HCA_INFO          0x1B8
462 #define H_GET_PERF_COUNT        0x1BC
463 #define H_MANAGE_TRACE          0x1C0
464 #define H_GET_CPU_CHARACTERISTICS 0x1C8
465 #define H_FREE_LOGICAL_LAN_BUFFER 0x1D4
466 #define H_QUERY_INT_STATE       0x1E4
467 #define H_POLL_PENDING          0x1D8
468 #define H_ILLAN_ATTRIBUTES      0x244
469 #define H_MODIFY_HEA_QP         0x250
470 #define H_QUERY_HEA_QP          0x254
471 #define H_QUERY_HEA             0x258
472 #define H_QUERY_HEA_PORT        0x25C
473 #define H_MODIFY_HEA_PORT       0x260
474 #define H_REG_BCMC              0x264
475 #define H_DEREG_BCMC            0x268
476 #define H_REGISTER_HEA_RPAGES   0x26C
477 #define H_DISABLE_AND_GET_HEA   0x270
478 #define H_GET_HEA_INFO          0x274
479 #define H_ALLOC_HEA_RESOURCE    0x278
480 #define H_ADD_CONN              0x284
481 #define H_DEL_CONN              0x288
482 #define H_JOIN                  0x298
483 #define H_VASI_STATE            0x2A4
484 #define H_ENABLE_CRQ            0x2B0
485 #define H_GET_EM_PARMS          0x2B8
486 #define H_SET_MPP               0x2D0
487 #define H_GET_MPP               0x2D4
488 #define H_HOME_NODE_ASSOCIATIVITY 0x2EC
489 #define H_XIRR_X                0x2FC
490 #define H_RANDOM                0x300
491 #define H_SET_MODE              0x31C
492 #define H_RESIZE_HPT_PREPARE    0x36C
493 #define H_RESIZE_HPT_COMMIT     0x370
494 #define H_CLEAN_SLB             0x374
495 #define H_INVALIDATE_PID        0x378
496 #define H_REGISTER_PROC_TBL     0x37C
497 #define H_SIGNAL_SYS_RESET      0x380
498 
499 #define H_INT_GET_SOURCE_INFO   0x3A8
500 #define H_INT_SET_SOURCE_CONFIG 0x3AC
501 #define H_INT_GET_SOURCE_CONFIG 0x3B0
502 #define H_INT_GET_QUEUE_INFO    0x3B4
503 #define H_INT_SET_QUEUE_CONFIG  0x3B8
504 #define H_INT_GET_QUEUE_CONFIG  0x3BC
505 #define H_INT_SET_OS_REPORTING_LINE 0x3C0
506 #define H_INT_GET_OS_REPORTING_LINE 0x3C4
507 #define H_INT_ESB               0x3C8
508 #define H_INT_SYNC              0x3CC
509 #define H_INT_RESET             0x3D0
510 
511 #define MAX_HCALL_OPCODE        H_INT_RESET
512 
513 /* The hcalls above are standardized in PAPR and implemented by pHyp
514  * as well.
515  *
516  * We also need some hcalls which are specific to qemu / KVM-on-POWER.
517  * We put those into the 0xf000-0xfffc range which is reserved by PAPR
518  * for "platform-specific" hcalls.
519  */
520 #define KVMPPC_HCALL_BASE       0xf000
521 #define KVMPPC_H_RTAS           (KVMPPC_HCALL_BASE + 0x0)
522 #define KVMPPC_H_LOGICAL_MEMOP  (KVMPPC_HCALL_BASE + 0x1)
523 /* Client Architecture support */
524 #define KVMPPC_H_CAS            (KVMPPC_HCALL_BASE + 0x2)
525 #define KVMPPC_H_UPDATE_DT      (KVMPPC_HCALL_BASE + 0x3)
526 #define KVMPPC_HCALL_MAX        KVMPPC_H_UPDATE_DT
527 
528 /*
529  * The hcall range 0xEF00 to 0xEF80 is reserved for use in facilitating
530  * Secure VM mode via an Ultravisor / Protected Execution Facility
531  */
532 #define SVM_HCALL_BASE              0xEF00
533 #define SVM_H_TPM_COMM              0xEF10
534 #define SVM_HCALL_MAX               SVM_H_TPM_COMM
535 
536 
537 typedef struct SpaprDeviceTreeUpdateHeader {
538     uint32_t version_id;
539 } SpaprDeviceTreeUpdateHeader;
540 
541 #define hcall_dprintf(fmt, ...) \
542     do { \
543         qemu_log_mask(LOG_GUEST_ERROR, "%s: " fmt, __func__, ## __VA_ARGS__); \
544     } while (0)
545 
546 typedef target_ulong (*spapr_hcall_fn)(PowerPCCPU *cpu, SpaprMachineState *sm,
547                                        target_ulong opcode,
548                                        target_ulong *args);
549 
550 void spapr_register_hypercall(target_ulong opcode, spapr_hcall_fn fn);
551 target_ulong spapr_hypercall(PowerPCCPU *cpu, target_ulong opcode,
552                              target_ulong *args);
553 
554 /* Virtual Processor Area structure constants */
555 #define VPA_MIN_SIZE           640
556 #define VPA_SIZE_OFFSET        0x4
557 #define VPA_SHARED_PROC_OFFSET 0x9
558 #define VPA_SHARED_PROC_VAL    0x2
559 #define VPA_DISPATCH_COUNTER   0x100
560 
561 /* ibm,set-eeh-option */
562 #define RTAS_EEH_DISABLE                 0
563 #define RTAS_EEH_ENABLE                  1
564 #define RTAS_EEH_THAW_IO                 2
565 #define RTAS_EEH_THAW_DMA                3
566 
567 /* ibm,get-config-addr-info2 */
568 #define RTAS_GET_PE_ADDR                 0
569 #define RTAS_GET_PE_MODE                 1
570 #define RTAS_PE_MODE_NONE                0
571 #define RTAS_PE_MODE_NOT_SHARED          1
572 #define RTAS_PE_MODE_SHARED              2
573 
574 /* ibm,read-slot-reset-state2 */
575 #define RTAS_EEH_PE_STATE_NORMAL         0
576 #define RTAS_EEH_PE_STATE_RESET          1
577 #define RTAS_EEH_PE_STATE_STOPPED_IO_DMA 2
578 #define RTAS_EEH_PE_STATE_STOPPED_DMA    4
579 #define RTAS_EEH_PE_STATE_UNAVAIL        5
580 #define RTAS_EEH_NOT_SUPPORT             0
581 #define RTAS_EEH_SUPPORT                 1
582 #define RTAS_EEH_PE_UNAVAIL_INFO         1000
583 #define RTAS_EEH_PE_RECOVER_INFO         0
584 
585 /* ibm,set-slot-reset */
586 #define RTAS_SLOT_RESET_DEACTIVATE       0
587 #define RTAS_SLOT_RESET_HOT              1
588 #define RTAS_SLOT_RESET_FUNDAMENTAL      3
589 
590 /* ibm,slot-error-detail */
591 #define RTAS_SLOT_TEMP_ERR_LOG           1
592 #define RTAS_SLOT_PERM_ERR_LOG           2
593 
594 /* RTAS return codes */
595 #define RTAS_OUT_SUCCESS                        0
596 #define RTAS_OUT_NO_ERRORS_FOUND                1
597 #define RTAS_OUT_HW_ERROR                       -1
598 #define RTAS_OUT_BUSY                           -2
599 #define RTAS_OUT_PARAM_ERROR                    -3
600 #define RTAS_OUT_NOT_SUPPORTED                  -3
601 #define RTAS_OUT_NO_SUCH_INDICATOR              -3
602 #define RTAS_OUT_NOT_AUTHORIZED                 -9002
603 #define RTAS_OUT_SYSPARM_PARAM_ERROR            -9999
604 
605 /* DDW pagesize mask values from ibm,query-pe-dma-window */
606 #define RTAS_DDW_PGSIZE_4K       0x01
607 #define RTAS_DDW_PGSIZE_64K      0x02
608 #define RTAS_DDW_PGSIZE_16M      0x04
609 #define RTAS_DDW_PGSIZE_32M      0x08
610 #define RTAS_DDW_PGSIZE_64M      0x10
611 #define RTAS_DDW_PGSIZE_128M     0x20
612 #define RTAS_DDW_PGSIZE_256M     0x40
613 #define RTAS_DDW_PGSIZE_16G      0x80
614 
615 /* RTAS tokens */
616 #define RTAS_TOKEN_BASE      0x2000
617 
618 #define RTAS_DISPLAY_CHARACTER                  (RTAS_TOKEN_BASE + 0x00)
619 #define RTAS_GET_TIME_OF_DAY                    (RTAS_TOKEN_BASE + 0x01)
620 #define RTAS_SET_TIME_OF_DAY                    (RTAS_TOKEN_BASE + 0x02)
621 #define RTAS_POWER_OFF                          (RTAS_TOKEN_BASE + 0x03)
622 #define RTAS_SYSTEM_REBOOT                      (RTAS_TOKEN_BASE + 0x04)
623 #define RTAS_QUERY_CPU_STOPPED_STATE            (RTAS_TOKEN_BASE + 0x05)
624 #define RTAS_START_CPU                          (RTAS_TOKEN_BASE + 0x06)
625 #define RTAS_STOP_SELF                          (RTAS_TOKEN_BASE + 0x07)
626 #define RTAS_IBM_GET_SYSTEM_PARAMETER           (RTAS_TOKEN_BASE + 0x08)
627 #define RTAS_IBM_SET_SYSTEM_PARAMETER           (RTAS_TOKEN_BASE + 0x09)
628 #define RTAS_IBM_SET_XIVE                       (RTAS_TOKEN_BASE + 0x0A)
629 #define RTAS_IBM_GET_XIVE                       (RTAS_TOKEN_BASE + 0x0B)
630 #define RTAS_IBM_INT_OFF                        (RTAS_TOKEN_BASE + 0x0C)
631 #define RTAS_IBM_INT_ON                         (RTAS_TOKEN_BASE + 0x0D)
632 #define RTAS_CHECK_EXCEPTION                    (RTAS_TOKEN_BASE + 0x0E)
633 #define RTAS_EVENT_SCAN                         (RTAS_TOKEN_BASE + 0x0F)
634 #define RTAS_IBM_SET_TCE_BYPASS                 (RTAS_TOKEN_BASE + 0x10)
635 #define RTAS_QUIESCE                            (RTAS_TOKEN_BASE + 0x11)
636 #define RTAS_NVRAM_FETCH                        (RTAS_TOKEN_BASE + 0x12)
637 #define RTAS_NVRAM_STORE                        (RTAS_TOKEN_BASE + 0x13)
638 #define RTAS_READ_PCI_CONFIG                    (RTAS_TOKEN_BASE + 0x14)
639 #define RTAS_WRITE_PCI_CONFIG                   (RTAS_TOKEN_BASE + 0x15)
640 #define RTAS_IBM_READ_PCI_CONFIG                (RTAS_TOKEN_BASE + 0x16)
641 #define RTAS_IBM_WRITE_PCI_CONFIG               (RTAS_TOKEN_BASE + 0x17)
642 #define RTAS_IBM_QUERY_INTERRUPT_SOURCE_NUMBER  (RTAS_TOKEN_BASE + 0x18)
643 #define RTAS_IBM_CHANGE_MSI                     (RTAS_TOKEN_BASE + 0x19)
644 #define RTAS_SET_INDICATOR                      (RTAS_TOKEN_BASE + 0x1A)
645 #define RTAS_SET_POWER_LEVEL                    (RTAS_TOKEN_BASE + 0x1B)
646 #define RTAS_GET_POWER_LEVEL                    (RTAS_TOKEN_BASE + 0x1C)
647 #define RTAS_GET_SENSOR_STATE                   (RTAS_TOKEN_BASE + 0x1D)
648 #define RTAS_IBM_CONFIGURE_CONNECTOR            (RTAS_TOKEN_BASE + 0x1E)
649 #define RTAS_IBM_OS_TERM                        (RTAS_TOKEN_BASE + 0x1F)
650 #define RTAS_IBM_SET_EEH_OPTION                 (RTAS_TOKEN_BASE + 0x20)
651 #define RTAS_IBM_GET_CONFIG_ADDR_INFO2          (RTAS_TOKEN_BASE + 0x21)
652 #define RTAS_IBM_READ_SLOT_RESET_STATE2         (RTAS_TOKEN_BASE + 0x22)
653 #define RTAS_IBM_SET_SLOT_RESET                 (RTAS_TOKEN_BASE + 0x23)
654 #define RTAS_IBM_CONFIGURE_PE                   (RTAS_TOKEN_BASE + 0x24)
655 #define RTAS_IBM_SLOT_ERROR_DETAIL              (RTAS_TOKEN_BASE + 0x25)
656 #define RTAS_IBM_QUERY_PE_DMA_WINDOW            (RTAS_TOKEN_BASE + 0x26)
657 #define RTAS_IBM_CREATE_PE_DMA_WINDOW           (RTAS_TOKEN_BASE + 0x27)
658 #define RTAS_IBM_REMOVE_PE_DMA_WINDOW           (RTAS_TOKEN_BASE + 0x28)
659 #define RTAS_IBM_RESET_PE_DMA_WINDOW            (RTAS_TOKEN_BASE + 0x29)
660 #define RTAS_IBM_SUSPEND_ME                     (RTAS_TOKEN_BASE + 0x2A)
661 #define RTAS_IBM_NMI_REGISTER                   (RTAS_TOKEN_BASE + 0x2B)
662 #define RTAS_IBM_NMI_INTERLOCK                  (RTAS_TOKEN_BASE + 0x2C)
663 
664 #define RTAS_TOKEN_MAX                          (RTAS_TOKEN_BASE + 0x2D)
665 
666 /* RTAS ibm,get-system-parameter token values */
667 #define RTAS_SYSPARM_SPLPAR_CHARACTERISTICS      20
668 #define RTAS_SYSPARM_DIAGNOSTICS_RUN_MODE        42
669 #define RTAS_SYSPARM_UUID                        48
670 
671 /* RTAS indicator/sensor types
672  *
673  * as defined by PAPR+ 2.7 7.3.5.4, Table 41
674  *
675  * NOTE: currently only DR-related sensors are implemented here
676  */
677 #define RTAS_SENSOR_TYPE_ISOLATION_STATE        9001
678 #define RTAS_SENSOR_TYPE_DR                     9002
679 #define RTAS_SENSOR_TYPE_ALLOCATION_STATE       9003
680 #define RTAS_SENSOR_TYPE_ENTITY_SENSE RTAS_SENSOR_TYPE_ALLOCATION_STATE
681 
682 /* Possible values for the platform-processor-diagnostics-run-mode parameter
683  * of the RTAS ibm,get-system-parameter call.
684  */
685 #define DIAGNOSTICS_RUN_MODE_DISABLED  0
686 #define DIAGNOSTICS_RUN_MODE_STAGGERED 1
687 #define DIAGNOSTICS_RUN_MODE_IMMEDIATE 2
688 #define DIAGNOSTICS_RUN_MODE_PERIODIC  3
689 
690 static inline uint64_t ppc64_phys_to_real(uint64_t addr)
691 {
692     return addr & ~0xF000000000000000ULL;
693 }
694 
695 static inline uint32_t rtas_ld(target_ulong phys, int n)
696 {
697     return ldl_be_phys(&address_space_memory, ppc64_phys_to_real(phys + 4*n));
698 }
699 
700 static inline uint64_t rtas_ldq(target_ulong phys, int n)
701 {
702     return (uint64_t)rtas_ld(phys, n) << 32 | rtas_ld(phys, n + 1);
703 }
704 
705 static inline void rtas_st(target_ulong phys, int n, uint32_t val)
706 {
707     stl_be_phys(&address_space_memory, ppc64_phys_to_real(phys + 4*n), val);
708 }
709 
710 typedef void (*spapr_rtas_fn)(PowerPCCPU *cpu, SpaprMachineState *sm,
711                               uint32_t token,
712                               uint32_t nargs, target_ulong args,
713                               uint32_t nret, target_ulong rets);
714 void spapr_rtas_register(int token, const char *name, spapr_rtas_fn fn);
715 target_ulong spapr_rtas_call(PowerPCCPU *cpu, SpaprMachineState *sm,
716                              uint32_t token, uint32_t nargs, target_ulong args,
717                              uint32_t nret, target_ulong rets);
718 void spapr_dt_rtas_tokens(void *fdt, int rtas);
719 void spapr_load_rtas(SpaprMachineState *spapr, void *fdt, hwaddr addr);
720 
721 #define SPAPR_TCE_PAGE_SHIFT   12
722 #define SPAPR_TCE_PAGE_SIZE    (1ULL << SPAPR_TCE_PAGE_SHIFT)
723 #define SPAPR_TCE_PAGE_MASK    (SPAPR_TCE_PAGE_SIZE - 1)
724 
725 #define SPAPR_VIO_BASE_LIOBN    0x00000000
726 #define SPAPR_VIO_LIOBN(reg)    (0x00000000 | (reg))
727 #define SPAPR_PCI_LIOBN(phb_index, window_num) \
728     (0x80000000 | ((phb_index) << 8) | (window_num))
729 #define SPAPR_IS_PCI_LIOBN(liobn)   (!!((liobn) & 0x80000000))
730 #define SPAPR_PCI_DMA_WINDOW_NUM(liobn) ((liobn) & 0xff)
731 
732 #define RTAS_ERROR_LOG_MAX      2048
733 
734 /* Offset from rtas-base where error log is placed */
735 #define RTAS_ERROR_LOG_OFFSET       0x30
736 
737 #define RTAS_EVENT_SCAN_RATE    1
738 
739 /* This helper should be used to encode interrupt specifiers when the related
740  * "interrupt-controller" node has its "#interrupt-cells" property set to 2 (ie,
741  * VIO devices, RTAS event sources and PHBs).
742  */
743 static inline void spapr_dt_irq(uint32_t *intspec, int irq, bool is_lsi)
744 {
745     intspec[0] = cpu_to_be32(irq);
746     intspec[1] = is_lsi ? cpu_to_be32(1) : 0;
747 }
748 
749 typedef struct SpaprTceTable SpaprTceTable;
750 
751 #define TYPE_SPAPR_TCE_TABLE "spapr-tce-table"
752 #define SPAPR_TCE_TABLE(obj) \
753     OBJECT_CHECK(SpaprTceTable, (obj), TYPE_SPAPR_TCE_TABLE)
754 
755 #define TYPE_SPAPR_IOMMU_MEMORY_REGION "spapr-iommu-memory-region"
756 #define SPAPR_IOMMU_MEMORY_REGION(obj) \
757         OBJECT_CHECK(IOMMUMemoryRegion, (obj), TYPE_SPAPR_IOMMU_MEMORY_REGION)
758 
759 struct SpaprTceTable {
760     DeviceState parent;
761     uint32_t liobn;
762     uint32_t nb_table;
763     uint64_t bus_offset;
764     uint32_t page_shift;
765     uint64_t *table;
766     uint32_t mig_nb_table;
767     uint64_t *mig_table;
768     bool bypass;
769     bool need_vfio;
770     bool skipping_replay;
771     int fd;
772     MemoryRegion root;
773     IOMMUMemoryRegion iommu;
774     struct SpaprVioDevice *vdev; /* for @bypass migration compatibility only */
775     QLIST_ENTRY(SpaprTceTable) list;
776 };
777 
778 SpaprTceTable *spapr_tce_find_by_liobn(target_ulong liobn);
779 
780 struct SpaprEventLogEntry {
781     uint32_t summary;
782     uint32_t extended_length;
783     void *extended_log;
784     QTAILQ_ENTRY(SpaprEventLogEntry) next;
785 };
786 
787 void *spapr_build_fdt(SpaprMachineState *spapr, bool reset, size_t space);
788 void spapr_events_init(SpaprMachineState *sm);
789 void spapr_dt_events(SpaprMachineState *sm, void *fdt);
790 void close_htab_fd(SpaprMachineState *spapr);
791 void spapr_setup_hpt_and_vrma(SpaprMachineState *spapr);
792 void spapr_free_hpt(SpaprMachineState *spapr);
793 SpaprTceTable *spapr_tce_new_table(DeviceState *owner, uint32_t liobn);
794 void spapr_tce_table_enable(SpaprTceTable *tcet,
795                             uint32_t page_shift, uint64_t bus_offset,
796                             uint32_t nb_table);
797 void spapr_tce_table_disable(SpaprTceTable *tcet);
798 void spapr_tce_set_need_vfio(SpaprTceTable *tcet, bool need_vfio);
799 
800 MemoryRegion *spapr_tce_get_iommu(SpaprTceTable *tcet);
801 int spapr_dma_dt(void *fdt, int node_off, const char *propname,
802                  uint32_t liobn, uint64_t window, uint32_t size);
803 int spapr_tcet_dma_dt(void *fdt, int node_off, const char *propname,
804                       SpaprTceTable *tcet);
805 void spapr_pci_switch_vga(bool big_endian);
806 void spapr_hotplug_req_add_by_index(SpaprDrc *drc);
807 void spapr_hotplug_req_remove_by_index(SpaprDrc *drc);
808 void spapr_hotplug_req_add_by_count(SpaprDrcType drc_type,
809                                        uint32_t count);
810 void spapr_hotplug_req_remove_by_count(SpaprDrcType drc_type,
811                                           uint32_t count);
812 void spapr_hotplug_req_add_by_count_indexed(SpaprDrcType drc_type,
813                                             uint32_t count, uint32_t index);
814 void spapr_hotplug_req_remove_by_count_indexed(SpaprDrcType drc_type,
815                                                uint32_t count, uint32_t index);
816 int spapr_hpt_shift_for_ramsize(uint64_t ramsize);
817 void spapr_reallocate_hpt(SpaprMachineState *spapr, int shift,
818                           Error **errp);
819 void spapr_clear_pending_events(SpaprMachineState *spapr);
820 int spapr_max_server_number(SpaprMachineState *spapr);
821 void spapr_store_hpte(PowerPCCPU *cpu, hwaddr ptex,
822                       uint64_t pte0, uint64_t pte1);
823 void spapr_mce_req_event(PowerPCCPU *cpu, bool recovered);
824 
825 /* DRC callbacks. */
826 void spapr_core_release(DeviceState *dev);
827 int spapr_core_dt_populate(SpaprDrc *drc, SpaprMachineState *spapr,
828                            void *fdt, int *fdt_start_offset, Error **errp);
829 void spapr_lmb_release(DeviceState *dev);
830 int spapr_lmb_dt_populate(SpaprDrc *drc, SpaprMachineState *spapr,
831                           void *fdt, int *fdt_start_offset, Error **errp);
832 void spapr_phb_release(DeviceState *dev);
833 int spapr_phb_dt_populate(SpaprDrc *drc, SpaprMachineState *spapr,
834                           void *fdt, int *fdt_start_offset, Error **errp);
835 
836 void spapr_rtc_read(SpaprRtcState *rtc, struct tm *tm, uint32_t *ns);
837 int spapr_rtc_import_offset(SpaprRtcState *rtc, int64_t legacy_offset);
838 
839 #define TYPE_SPAPR_RNG "spapr-rng"
840 
841 #define SPAPR_MEMORY_BLOCK_SIZE ((hwaddr)1 << 28) /* 256MB */
842 
843 /*
844  * This defines the maximum number of DIMM slots we can have for sPAPR
845  * guest. This is not defined by sPAPR but we are defining it to 32 slots
846  * based on default number of slots provided by PowerPC kernel.
847  */
848 #define SPAPR_MAX_RAM_SLOTS     32
849 
850 /* 1GB alignment for hotplug memory region */
851 #define SPAPR_DEVICE_MEM_ALIGN (1 * GiB)
852 
853 /*
854  * Number of 32 bit words in each LMB list entry in ibm,dynamic-memory
855  * property under ibm,dynamic-reconfiguration-memory node.
856  */
857 #define SPAPR_DR_LMB_LIST_ENTRY_SIZE 6
858 
859 /*
860  * Defines for flag value in ibm,dynamic-memory property under
861  * ibm,dynamic-reconfiguration-memory node.
862  */
863 #define SPAPR_LMB_FLAGS_ASSIGNED 0x00000008
864 #define SPAPR_LMB_FLAGS_DRC_INVALID 0x00000020
865 #define SPAPR_LMB_FLAGS_RESERVED 0x00000080
866 
867 void spapr_do_system_reset_on_cpu(CPUState *cs, run_on_cpu_data arg);
868 
869 #define HTAB_SIZE(spapr)        (1ULL << ((spapr)->htab_shift))
870 
871 int spapr_get_vcpu_id(PowerPCCPU *cpu);
872 void spapr_set_vcpu_id(PowerPCCPU *cpu, int cpu_index, Error **errp);
873 PowerPCCPU *spapr_find_cpu(int vcpu_id);
874 
875 int spapr_caps_pre_load(void *opaque);
876 int spapr_caps_pre_save(void *opaque);
877 
878 /*
879  * Handling of optional capabilities
880  */
881 extern const VMStateDescription vmstate_spapr_cap_htm;
882 extern const VMStateDescription vmstate_spapr_cap_vsx;
883 extern const VMStateDescription vmstate_spapr_cap_dfp;
884 extern const VMStateDescription vmstate_spapr_cap_cfpc;
885 extern const VMStateDescription vmstate_spapr_cap_sbbc;
886 extern const VMStateDescription vmstate_spapr_cap_ibs;
887 extern const VMStateDescription vmstate_spapr_cap_hpt_maxpagesize;
888 extern const VMStateDescription vmstate_spapr_cap_nested_kvm_hv;
889 extern const VMStateDescription vmstate_spapr_cap_large_decr;
890 extern const VMStateDescription vmstate_spapr_cap_ccf_assist;
891 extern const VMStateDescription vmstate_spapr_cap_fwnmi;
892 
893 static inline uint8_t spapr_get_cap(SpaprMachineState *spapr, int cap)
894 {
895     return spapr->eff.caps[cap];
896 }
897 
898 void spapr_caps_init(SpaprMachineState *spapr);
899 void spapr_caps_apply(SpaprMachineState *spapr);
900 void spapr_caps_cpu_apply(SpaprMachineState *spapr, PowerPCCPU *cpu);
901 void spapr_caps_add_properties(SpaprMachineClass *smc, Error **errp);
902 int spapr_caps_post_migration(SpaprMachineState *spapr);
903 
904 void spapr_check_pagesize(SpaprMachineState *spapr, hwaddr pagesize,
905                           Error **errp);
906 /*
907  * XIVE definitions
908  */
909 #define SPAPR_OV5_XIVE_LEGACY   0x0
910 #define SPAPR_OV5_XIVE_EXPLOIT  0x40
911 #define SPAPR_OV5_XIVE_BOTH     0x80 /* Only to advertise on the platform */
912 
913 void spapr_set_all_lpcrs(target_ulong value, target_ulong mask);
914 hwaddr spapr_get_rtas_addr(void);
915 #endif /* HW_SPAPR_H */
916