xref: /qemu/include/hw/ppc/spapr.h (revision ab9056ff)
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 /* Num Caps */
83 #define SPAPR_CAP_NUM                   (SPAPR_CAP_CCF_ASSIST + 1)
84 
85 /*
86  * Capability Values
87  */
88 /* Bool Caps */
89 #define SPAPR_CAP_OFF                   0x00
90 #define SPAPR_CAP_ON                    0x01
91 
92 /* Custom Caps */
93 
94 /* Generic */
95 #define SPAPR_CAP_BROKEN                0x00
96 #define SPAPR_CAP_WORKAROUND            0x01
97 #define SPAPR_CAP_FIXED                 0x02
98 /* SPAPR_CAP_IBS (cap-ibs) */
99 #define SPAPR_CAP_FIXED_IBS             0x02
100 #define SPAPR_CAP_FIXED_CCD             0x03
101 #define SPAPR_CAP_FIXED_NA              0x10 /* Lets leave a bit of a gap... */
102 
103 typedef struct SpaprCapabilities SpaprCapabilities;
104 struct SpaprCapabilities {
105     uint8_t caps[SPAPR_CAP_NUM];
106 };
107 
108 /**
109  * SpaprMachineClass:
110  */
111 struct SpaprMachineClass {
112     /*< private >*/
113     MachineClass parent_class;
114 
115     /*< public >*/
116     bool dr_lmb_enabled;       /* enable dynamic-reconfig/hotplug of LMBs */
117     bool dr_phb_enabled;       /* enable dynamic-reconfig/hotplug of PHBs */
118     bool update_dt_enabled;    /* enable KVMPPC_H_UPDATE_DT */
119     bool use_ohci_by_default;  /* use USB-OHCI instead of XHCI */
120     bool pre_2_10_has_unused_icps;
121     bool legacy_irq_allocation;
122     uint32_t nr_xirqs;
123     bool broken_host_serial_model; /* present real host info to the guest */
124     bool pre_4_1_migration; /* don't migrate hpt-max-page-size */
125     bool linux_pci_probe;
126     bool smp_threads_vsmt; /* set VSMT to smp_threads by default */
127 
128     void (*phb_placement)(SpaprMachineState *spapr, uint32_t index,
129                           uint64_t *buid, hwaddr *pio,
130                           hwaddr *mmio32, hwaddr *mmio64,
131                           unsigned n_dma, uint32_t *liobns, hwaddr *nv2gpa,
132                           hwaddr *nv2atsd, Error **errp);
133     SpaprResizeHpt resize_hpt_default;
134     SpaprCapabilities default_caps;
135     SpaprIrq *irq;
136 };
137 
138 /**
139  * SpaprMachineState:
140  */
141 struct SpaprMachineState {
142     /*< private >*/
143     MachineState parent_obj;
144 
145     struct SpaprVioBus *vio_bus;
146     QLIST_HEAD(, SpaprPhbState) phbs;
147     struct SpaprNvram *nvram;
148     SpaprRtcState rtc;
149 
150     SpaprResizeHpt resize_hpt;
151     void *htab;
152     uint32_t htab_shift;
153     uint64_t patb_entry; /* Process tbl registed in H_REGISTER_PROCESS_TABLE */
154     SpaprPendingHpt *pending_hpt; /* in-progress resize */
155 
156     hwaddr rma_size;
157     int vrma_adjust;
158     uint32_t fdt_size;
159     uint32_t fdt_initial_size;
160     void *fdt_blob;
161     long kernel_size;
162     bool kernel_le;
163     uint32_t initrd_base;
164     long initrd_size;
165     uint64_t rtc_offset; /* Now used only during incoming migration */
166     struct PPCTimebase tb;
167     bool has_graphics;
168     uint32_t vsmt;       /* Virtual SMT mode (KVM's "core stride") */
169 
170     Notifier epow_notifier;
171     QTAILQ_HEAD(, SpaprEventLogEntry) pending_events;
172     bool use_hotplug_event_source;
173     SpaprEventSource *event_sources;
174 
175     /* ibm,client-architecture-support option negotiation */
176     bool cas_reboot;
177     bool cas_pre_isa3_guest;
178     SpaprOptionVector *ov5;         /* QEMU-supported option vectors */
179     SpaprOptionVector *ov5_cas;     /* negotiated (via CAS) option vectors */
180     uint32_t max_compat_pvr;
181 
182     /* Migration state */
183     int htab_save_index;
184     bool htab_first_pass;
185     int htab_fd;
186 
187     /* Pending DIMM unplug cache. It is populated when a LMB
188      * unplug starts. It can be regenerated if a migration
189      * occurs during the unplug process. */
190     QTAILQ_HEAD(, SpaprDimmState) pending_dimm_unplugs;
191 
192     /*< public >*/
193     char *kvm_type;
194     char *host_model;
195     char *host_serial;
196 
197     int32_t irq_map_nr;
198     unsigned long *irq_map;
199     SpaprIrq *irq;
200     qemu_irq *qirqs;
201     SpaprInterruptController *active_intc;
202     ICSState *ics;
203     SpaprXive *xive;
204 
205     bool cmd_line_caps[SPAPR_CAP_NUM];
206     SpaprCapabilities def, eff, mig;
207 
208     unsigned gpu_numa_id;
209     SpaprTpmProxy *tpm_proxy;
210 };
211 
212 #define H_SUCCESS         0
213 #define H_BUSY            1        /* Hardware busy -- retry later */
214 #define H_CLOSED          2        /* Resource closed */
215 #define H_NOT_AVAILABLE   3
216 #define H_CONSTRAINED     4        /* Resource request constrained to max allowed */
217 #define H_PARTIAL         5
218 #define H_IN_PROGRESS     14       /* Kind of like busy */
219 #define H_PAGE_REGISTERED 15
220 #define H_PARTIAL_STORE   16
221 #define H_PENDING         17       /* returned from H_POLL_PENDING */
222 #define H_CONTINUE        18       /* Returned from H_Join on success */
223 #define H_LONG_BUSY_START_RANGE         9900  /* Start of long busy range */
224 #define H_LONG_BUSY_ORDER_1_MSEC        9900  /* Long busy, hint that 1msec \
225                                                  is a good time to retry */
226 #define H_LONG_BUSY_ORDER_10_MSEC       9901  /* Long busy, hint that 10msec \
227                                                  is a good time to retry */
228 #define H_LONG_BUSY_ORDER_100_MSEC      9902  /* Long busy, hint that 100msec \
229                                                  is a good time to retry */
230 #define H_LONG_BUSY_ORDER_1_SEC         9903  /* Long busy, hint that 1sec \
231                                                  is a good time to retry */
232 #define H_LONG_BUSY_ORDER_10_SEC        9904  /* Long busy, hint that 10sec \
233                                                  is a good time to retry */
234 #define H_LONG_BUSY_ORDER_100_SEC       9905  /* Long busy, hint that 100sec \
235                                                  is a good time to retry */
236 #define H_LONG_BUSY_END_RANGE           9905  /* End of long busy range */
237 #define H_HARDWARE        -1       /* Hardware error */
238 #define H_FUNCTION        -2       /* Function not supported */
239 #define H_PRIVILEGE       -3       /* Caller not privileged */
240 #define H_PARAMETER       -4       /* Parameter invalid, out-of-range or conflicting */
241 #define H_BAD_MODE        -5       /* Illegal msr value */
242 #define H_PTEG_FULL       -6       /* PTEG is full */
243 #define H_NOT_FOUND       -7       /* PTE was not found" */
244 #define H_RESERVED_DABR   -8       /* DABR address is reserved by the hypervisor on this processor" */
245 #define H_NO_MEM          -9
246 #define H_AUTHORITY       -10
247 #define H_PERMISSION      -11
248 #define H_DROPPED         -12
249 #define H_SOURCE_PARM     -13
250 #define H_DEST_PARM       -14
251 #define H_REMOTE_PARM     -15
252 #define H_RESOURCE        -16
253 #define H_ADAPTER_PARM    -17
254 #define H_RH_PARM         -18
255 #define H_RCQ_PARM        -19
256 #define H_SCQ_PARM        -20
257 #define H_EQ_PARM         -21
258 #define H_RT_PARM         -22
259 #define H_ST_PARM         -23
260 #define H_SIGT_PARM       -24
261 #define H_TOKEN_PARM      -25
262 #define H_MLENGTH_PARM    -27
263 #define H_MEM_PARM        -28
264 #define H_MEM_ACCESS_PARM -29
265 #define H_ATTR_PARM       -30
266 #define H_PORT_PARM       -31
267 #define H_MCG_PARM        -32
268 #define H_VL_PARM         -33
269 #define H_TSIZE_PARM      -34
270 #define H_TRACE_PARM      -35
271 
272 #define H_MASK_PARM       -37
273 #define H_MCG_FULL        -38
274 #define H_ALIAS_EXIST     -39
275 #define H_P_COUNTER       -40
276 #define H_TABLE_FULL      -41
277 #define H_ALT_TABLE       -42
278 #define H_MR_CONDITION    -43
279 #define H_NOT_ENOUGH_RESOURCES -44
280 #define H_R_STATE         -45
281 #define H_RESCINDEND      -46
282 #define H_P2              -55
283 #define H_P3              -56
284 #define H_P4              -57
285 #define H_P5              -58
286 #define H_P6              -59
287 #define H_P7              -60
288 #define H_P8              -61
289 #define H_P9              -62
290 #define H_UNSUPPORTED_FLAG -256
291 #define H_MULTI_THREADS_ACTIVE -9005
292 
293 
294 /* Long Busy is a condition that can be returned by the firmware
295  * when a call cannot be completed now, but the identical call
296  * should be retried later.  This prevents calls blocking in the
297  * firmware for long periods of time.  Annoyingly the firmware can return
298  * a range of return codes, hinting at how long we should wait before
299  * retrying.  If you don't care for the hint, the macro below is a good
300  * way to check for the long_busy return codes
301  */
302 #define H_IS_LONG_BUSY(x)  ((x >= H_LONG_BUSY_START_RANGE) \
303                             && (x <= H_LONG_BUSY_END_RANGE))
304 
305 /* Flags */
306 #define H_LARGE_PAGE      (1ULL<<(63-16))
307 #define H_EXACT           (1ULL<<(63-24))       /* Use exact PTE or return H_PTEG_FULL */
308 #define H_R_XLATE         (1ULL<<(63-25))       /* include a valid logical page num in the pte if the valid bit is set */
309 #define H_READ_4          (1ULL<<(63-26))       /* Return 4 PTEs */
310 #define H_PAGE_STATE_CHANGE (1ULL<<(63-28))
311 #define H_PAGE_UNUSED     ((1ULL<<(63-29)) | (1ULL<<(63-30)))
312 #define H_PAGE_SET_UNUSED (H_PAGE_STATE_CHANGE | H_PAGE_UNUSED)
313 #define H_PAGE_SET_LOANED (H_PAGE_SET_UNUSED | (1ULL<<(63-31)))
314 #define H_PAGE_SET_ACTIVE H_PAGE_STATE_CHANGE
315 #define H_AVPN            (1ULL<<(63-32))       /* An avpn is provided as a sanity test */
316 #define H_ANDCOND         (1ULL<<(63-33))
317 #define H_ICACHE_INVALIDATE (1ULL<<(63-40))     /* icbi, etc.  (ignored for IO pages) */
318 #define H_ICACHE_SYNCHRONIZE (1ULL<<(63-41))    /* dcbst, icbi, etc (ignored for IO pages */
319 #define H_ZERO_PAGE       (1ULL<<(63-48))       /* zero the page before mapping (ignored for IO pages) */
320 #define H_COPY_PAGE       (1ULL<<(63-49))
321 #define H_N               (1ULL<<(63-61))
322 #define H_PP1             (1ULL<<(63-62))
323 #define H_PP2             (1ULL<<(63-63))
324 
325 /* Values for 2nd argument to H_SET_MODE */
326 #define H_SET_MODE_RESOURCE_SET_CIABR           1
327 #define H_SET_MODE_RESOURCE_SET_DAWR            2
328 #define H_SET_MODE_RESOURCE_ADDR_TRANS_MODE     3
329 #define H_SET_MODE_RESOURCE_LE                  4
330 
331 /* Flags for H_SET_MODE_RESOURCE_LE */
332 #define H_SET_MODE_ENDIAN_BIG    0
333 #define H_SET_MODE_ENDIAN_LITTLE 1
334 
335 /* VASI States */
336 #define H_VASI_INVALID    0
337 #define H_VASI_ENABLED    1
338 #define H_VASI_ABORTED    2
339 #define H_VASI_SUSPENDING 3
340 #define H_VASI_SUSPENDED  4
341 #define H_VASI_RESUMED    5
342 #define H_VASI_COMPLETED  6
343 
344 /* DABRX flags */
345 #define H_DABRX_HYPERVISOR (1ULL<<(63-61))
346 #define H_DABRX_KERNEL     (1ULL<<(63-62))
347 #define H_DABRX_USER       (1ULL<<(63-63))
348 
349 /* Values for KVM_PPC_GET_CPU_CHAR & H_GET_CPU_CHARACTERISTICS */
350 #define H_CPU_CHAR_SPEC_BAR_ORI31               PPC_BIT(0)
351 #define H_CPU_CHAR_BCCTRL_SERIALISED            PPC_BIT(1)
352 #define H_CPU_CHAR_L1D_FLUSH_ORI30              PPC_BIT(2)
353 #define H_CPU_CHAR_L1D_FLUSH_TRIG2              PPC_BIT(3)
354 #define H_CPU_CHAR_L1D_THREAD_PRIV              PPC_BIT(4)
355 #define H_CPU_CHAR_HON_BRANCH_HINTS             PPC_BIT(5)
356 #define H_CPU_CHAR_THR_RECONF_TRIG              PPC_BIT(6)
357 #define H_CPU_CHAR_CACHE_COUNT_DIS              PPC_BIT(7)
358 #define H_CPU_CHAR_BCCTR_FLUSH_ASSIST           PPC_BIT(9)
359 #define H_CPU_BEHAV_FAVOUR_SECURITY             PPC_BIT(0)
360 #define H_CPU_BEHAV_L1D_FLUSH_PR                PPC_BIT(1)
361 #define H_CPU_BEHAV_BNDS_CHK_SPEC_BAR           PPC_BIT(2)
362 #define H_CPU_BEHAV_FLUSH_COUNT_CACHE           PPC_BIT(5)
363 
364 /* Each control block has to be on a 4K boundary */
365 #define H_CB_ALIGNMENT     4096
366 
367 /* pSeries hypervisor opcodes */
368 #define H_REMOVE                0x04
369 #define H_ENTER                 0x08
370 #define H_READ                  0x0c
371 #define H_CLEAR_MOD             0x10
372 #define H_CLEAR_REF             0x14
373 #define H_PROTECT               0x18
374 #define H_GET_TCE               0x1c
375 #define H_PUT_TCE               0x20
376 #define H_SET_SPRG0             0x24
377 #define H_SET_DABR              0x28
378 #define H_PAGE_INIT             0x2c
379 #define H_SET_ASR               0x30
380 #define H_ASR_ON                0x34
381 #define H_ASR_OFF               0x38
382 #define H_LOGICAL_CI_LOAD       0x3c
383 #define H_LOGICAL_CI_STORE      0x40
384 #define H_LOGICAL_CACHE_LOAD    0x44
385 #define H_LOGICAL_CACHE_STORE   0x48
386 #define H_LOGICAL_ICBI          0x4c
387 #define H_LOGICAL_DCBF          0x50
388 #define H_GET_TERM_CHAR         0x54
389 #define H_PUT_TERM_CHAR         0x58
390 #define H_REAL_TO_LOGICAL       0x5c
391 #define H_HYPERVISOR_DATA       0x60
392 #define H_EOI                   0x64
393 #define H_CPPR                  0x68
394 #define H_IPI                   0x6c
395 #define H_IPOLL                 0x70
396 #define H_XIRR                  0x74
397 #define H_PERFMON               0x7c
398 #define H_MIGRATE_DMA           0x78
399 #define H_REGISTER_VPA          0xDC
400 #define H_CEDE                  0xE0
401 #define H_CONFER                0xE4
402 #define H_PROD                  0xE8
403 #define H_GET_PPP               0xEC
404 #define H_SET_PPP               0xF0
405 #define H_PURR                  0xF4
406 #define H_PIC                   0xF8
407 #define H_REG_CRQ               0xFC
408 #define H_FREE_CRQ              0x100
409 #define H_VIO_SIGNAL            0x104
410 #define H_SEND_CRQ              0x108
411 #define H_COPY_RDMA             0x110
412 #define H_REGISTER_LOGICAL_LAN  0x114
413 #define H_FREE_LOGICAL_LAN      0x118
414 #define H_ADD_LOGICAL_LAN_BUFFER 0x11C
415 #define H_SEND_LOGICAL_LAN      0x120
416 #define H_BULK_REMOVE           0x124
417 #define H_MULTICAST_CTRL        0x130
418 #define H_SET_XDABR             0x134
419 #define H_STUFF_TCE             0x138
420 #define H_PUT_TCE_INDIRECT      0x13C
421 #define H_CHANGE_LOGICAL_LAN_MAC 0x14C
422 #define H_VTERM_PARTNER_INFO    0x150
423 #define H_REGISTER_VTERM        0x154
424 #define H_FREE_VTERM            0x158
425 #define H_RESET_EVENTS          0x15C
426 #define H_ALLOC_RESOURCE        0x160
427 #define H_FREE_RESOURCE         0x164
428 #define H_MODIFY_QP             0x168
429 #define H_QUERY_QP              0x16C
430 #define H_REREGISTER_PMR        0x170
431 #define H_REGISTER_SMR          0x174
432 #define H_QUERY_MR              0x178
433 #define H_QUERY_MW              0x17C
434 #define H_QUERY_HCA             0x180
435 #define H_QUERY_PORT            0x184
436 #define H_MODIFY_PORT           0x188
437 #define H_DEFINE_AQP1           0x18C
438 #define H_GET_TRACE_BUFFER      0x190
439 #define H_DEFINE_AQP0           0x194
440 #define H_RESIZE_MR             0x198
441 #define H_ATTACH_MCQP           0x19C
442 #define H_DETACH_MCQP           0x1A0
443 #define H_CREATE_RPT            0x1A4
444 #define H_REMOVE_RPT            0x1A8
445 #define H_REGISTER_RPAGES       0x1AC
446 #define H_DISABLE_AND_GETC      0x1B0
447 #define H_ERROR_DATA            0x1B4
448 #define H_GET_HCA_INFO          0x1B8
449 #define H_GET_PERF_COUNT        0x1BC
450 #define H_MANAGE_TRACE          0x1C0
451 #define H_GET_CPU_CHARACTERISTICS 0x1C8
452 #define H_FREE_LOGICAL_LAN_BUFFER 0x1D4
453 #define H_QUERY_INT_STATE       0x1E4
454 #define H_POLL_PENDING          0x1D8
455 #define H_ILLAN_ATTRIBUTES      0x244
456 #define H_MODIFY_HEA_QP         0x250
457 #define H_QUERY_HEA_QP          0x254
458 #define H_QUERY_HEA             0x258
459 #define H_QUERY_HEA_PORT        0x25C
460 #define H_MODIFY_HEA_PORT       0x260
461 #define H_REG_BCMC              0x264
462 #define H_DEREG_BCMC            0x268
463 #define H_REGISTER_HEA_RPAGES   0x26C
464 #define H_DISABLE_AND_GET_HEA   0x270
465 #define H_GET_HEA_INFO          0x274
466 #define H_ALLOC_HEA_RESOURCE    0x278
467 #define H_ADD_CONN              0x284
468 #define H_DEL_CONN              0x288
469 #define H_JOIN                  0x298
470 #define H_VASI_STATE            0x2A4
471 #define H_ENABLE_CRQ            0x2B0
472 #define H_GET_EM_PARMS          0x2B8
473 #define H_SET_MPP               0x2D0
474 #define H_GET_MPP               0x2D4
475 #define H_HOME_NODE_ASSOCIATIVITY 0x2EC
476 #define H_XIRR_X                0x2FC
477 #define H_RANDOM                0x300
478 #define H_SET_MODE              0x31C
479 #define H_RESIZE_HPT_PREPARE    0x36C
480 #define H_RESIZE_HPT_COMMIT     0x370
481 #define H_CLEAN_SLB             0x374
482 #define H_INVALIDATE_PID        0x378
483 #define H_REGISTER_PROC_TBL     0x37C
484 #define H_SIGNAL_SYS_RESET      0x380
485 
486 #define H_INT_GET_SOURCE_INFO   0x3A8
487 #define H_INT_SET_SOURCE_CONFIG 0x3AC
488 #define H_INT_GET_SOURCE_CONFIG 0x3B0
489 #define H_INT_GET_QUEUE_INFO    0x3B4
490 #define H_INT_SET_QUEUE_CONFIG  0x3B8
491 #define H_INT_GET_QUEUE_CONFIG  0x3BC
492 #define H_INT_SET_OS_REPORTING_LINE 0x3C0
493 #define H_INT_GET_OS_REPORTING_LINE 0x3C4
494 #define H_INT_ESB               0x3C8
495 #define H_INT_SYNC              0x3CC
496 #define H_INT_RESET             0x3D0
497 
498 #define MAX_HCALL_OPCODE        H_INT_RESET
499 
500 /* The hcalls above are standardized in PAPR and implemented by pHyp
501  * as well.
502  *
503  * We also need some hcalls which are specific to qemu / KVM-on-POWER.
504  * We put those into the 0xf000-0xfffc range which is reserved by PAPR
505  * for "platform-specific" hcalls.
506  */
507 #define KVMPPC_HCALL_BASE       0xf000
508 #define KVMPPC_H_RTAS           (KVMPPC_HCALL_BASE + 0x0)
509 #define KVMPPC_H_LOGICAL_MEMOP  (KVMPPC_HCALL_BASE + 0x1)
510 /* Client Architecture support */
511 #define KVMPPC_H_CAS            (KVMPPC_HCALL_BASE + 0x2)
512 #define KVMPPC_H_UPDATE_DT      (KVMPPC_HCALL_BASE + 0x3)
513 #define KVMPPC_HCALL_MAX        KVMPPC_H_UPDATE_DT
514 
515 /*
516  * The hcall range 0xEF00 to 0xEF80 is reserved for use in facilitating
517  * Secure VM mode via an Ultravisor / Protected Execution Facility
518  */
519 #define SVM_HCALL_BASE              0xEF00
520 #define SVM_H_TPM_COMM              0xEF10
521 #define SVM_HCALL_MAX               SVM_H_TPM_COMM
522 
523 
524 typedef struct SpaprDeviceTreeUpdateHeader {
525     uint32_t version_id;
526 } SpaprDeviceTreeUpdateHeader;
527 
528 #define hcall_dprintf(fmt, ...) \
529     do { \
530         qemu_log_mask(LOG_GUEST_ERROR, "%s: " fmt, __func__, ## __VA_ARGS__); \
531     } while (0)
532 
533 typedef target_ulong (*spapr_hcall_fn)(PowerPCCPU *cpu, SpaprMachineState *sm,
534                                        target_ulong opcode,
535                                        target_ulong *args);
536 
537 void spapr_register_hypercall(target_ulong opcode, spapr_hcall_fn fn);
538 target_ulong spapr_hypercall(PowerPCCPU *cpu, target_ulong opcode,
539                              target_ulong *args);
540 
541 /* Virtual Processor Area structure constants */
542 #define VPA_MIN_SIZE           640
543 #define VPA_SIZE_OFFSET        0x4
544 #define VPA_SHARED_PROC_OFFSET 0x9
545 #define VPA_SHARED_PROC_VAL    0x2
546 #define VPA_DISPATCH_COUNTER   0x100
547 
548 /* ibm,set-eeh-option */
549 #define RTAS_EEH_DISABLE                 0
550 #define RTAS_EEH_ENABLE                  1
551 #define RTAS_EEH_THAW_IO                 2
552 #define RTAS_EEH_THAW_DMA                3
553 
554 /* ibm,get-config-addr-info2 */
555 #define RTAS_GET_PE_ADDR                 0
556 #define RTAS_GET_PE_MODE                 1
557 #define RTAS_PE_MODE_NONE                0
558 #define RTAS_PE_MODE_NOT_SHARED          1
559 #define RTAS_PE_MODE_SHARED              2
560 
561 /* ibm,read-slot-reset-state2 */
562 #define RTAS_EEH_PE_STATE_NORMAL         0
563 #define RTAS_EEH_PE_STATE_RESET          1
564 #define RTAS_EEH_PE_STATE_STOPPED_IO_DMA 2
565 #define RTAS_EEH_PE_STATE_STOPPED_DMA    4
566 #define RTAS_EEH_PE_STATE_UNAVAIL        5
567 #define RTAS_EEH_NOT_SUPPORT             0
568 #define RTAS_EEH_SUPPORT                 1
569 #define RTAS_EEH_PE_UNAVAIL_INFO         1000
570 #define RTAS_EEH_PE_RECOVER_INFO         0
571 
572 /* ibm,set-slot-reset */
573 #define RTAS_SLOT_RESET_DEACTIVATE       0
574 #define RTAS_SLOT_RESET_HOT              1
575 #define RTAS_SLOT_RESET_FUNDAMENTAL      3
576 
577 /* ibm,slot-error-detail */
578 #define RTAS_SLOT_TEMP_ERR_LOG           1
579 #define RTAS_SLOT_PERM_ERR_LOG           2
580 
581 /* RTAS return codes */
582 #define RTAS_OUT_SUCCESS                        0
583 #define RTAS_OUT_NO_ERRORS_FOUND                1
584 #define RTAS_OUT_HW_ERROR                       -1
585 #define RTAS_OUT_BUSY                           -2
586 #define RTAS_OUT_PARAM_ERROR                    -3
587 #define RTAS_OUT_NOT_SUPPORTED                  -3
588 #define RTAS_OUT_NO_SUCH_INDICATOR              -3
589 #define RTAS_OUT_NOT_AUTHORIZED                 -9002
590 #define RTAS_OUT_SYSPARM_PARAM_ERROR            -9999
591 
592 /* DDW pagesize mask values from ibm,query-pe-dma-window */
593 #define RTAS_DDW_PGSIZE_4K       0x01
594 #define RTAS_DDW_PGSIZE_64K      0x02
595 #define RTAS_DDW_PGSIZE_16M      0x04
596 #define RTAS_DDW_PGSIZE_32M      0x08
597 #define RTAS_DDW_PGSIZE_64M      0x10
598 #define RTAS_DDW_PGSIZE_128M     0x20
599 #define RTAS_DDW_PGSIZE_256M     0x40
600 #define RTAS_DDW_PGSIZE_16G      0x80
601 
602 /* RTAS tokens */
603 #define RTAS_TOKEN_BASE      0x2000
604 
605 #define RTAS_DISPLAY_CHARACTER                  (RTAS_TOKEN_BASE + 0x00)
606 #define RTAS_GET_TIME_OF_DAY                    (RTAS_TOKEN_BASE + 0x01)
607 #define RTAS_SET_TIME_OF_DAY                    (RTAS_TOKEN_BASE + 0x02)
608 #define RTAS_POWER_OFF                          (RTAS_TOKEN_BASE + 0x03)
609 #define RTAS_SYSTEM_REBOOT                      (RTAS_TOKEN_BASE + 0x04)
610 #define RTAS_QUERY_CPU_STOPPED_STATE            (RTAS_TOKEN_BASE + 0x05)
611 #define RTAS_START_CPU                          (RTAS_TOKEN_BASE + 0x06)
612 #define RTAS_STOP_SELF                          (RTAS_TOKEN_BASE + 0x07)
613 #define RTAS_IBM_GET_SYSTEM_PARAMETER           (RTAS_TOKEN_BASE + 0x08)
614 #define RTAS_IBM_SET_SYSTEM_PARAMETER           (RTAS_TOKEN_BASE + 0x09)
615 #define RTAS_IBM_SET_XIVE                       (RTAS_TOKEN_BASE + 0x0A)
616 #define RTAS_IBM_GET_XIVE                       (RTAS_TOKEN_BASE + 0x0B)
617 #define RTAS_IBM_INT_OFF                        (RTAS_TOKEN_BASE + 0x0C)
618 #define RTAS_IBM_INT_ON                         (RTAS_TOKEN_BASE + 0x0D)
619 #define RTAS_CHECK_EXCEPTION                    (RTAS_TOKEN_BASE + 0x0E)
620 #define RTAS_EVENT_SCAN                         (RTAS_TOKEN_BASE + 0x0F)
621 #define RTAS_IBM_SET_TCE_BYPASS                 (RTAS_TOKEN_BASE + 0x10)
622 #define RTAS_QUIESCE                            (RTAS_TOKEN_BASE + 0x11)
623 #define RTAS_NVRAM_FETCH                        (RTAS_TOKEN_BASE + 0x12)
624 #define RTAS_NVRAM_STORE                        (RTAS_TOKEN_BASE + 0x13)
625 #define RTAS_READ_PCI_CONFIG                    (RTAS_TOKEN_BASE + 0x14)
626 #define RTAS_WRITE_PCI_CONFIG                   (RTAS_TOKEN_BASE + 0x15)
627 #define RTAS_IBM_READ_PCI_CONFIG                (RTAS_TOKEN_BASE + 0x16)
628 #define RTAS_IBM_WRITE_PCI_CONFIG               (RTAS_TOKEN_BASE + 0x17)
629 #define RTAS_IBM_QUERY_INTERRUPT_SOURCE_NUMBER  (RTAS_TOKEN_BASE + 0x18)
630 #define RTAS_IBM_CHANGE_MSI                     (RTAS_TOKEN_BASE + 0x19)
631 #define RTAS_SET_INDICATOR                      (RTAS_TOKEN_BASE + 0x1A)
632 #define RTAS_SET_POWER_LEVEL                    (RTAS_TOKEN_BASE + 0x1B)
633 #define RTAS_GET_POWER_LEVEL                    (RTAS_TOKEN_BASE + 0x1C)
634 #define RTAS_GET_SENSOR_STATE                   (RTAS_TOKEN_BASE + 0x1D)
635 #define RTAS_IBM_CONFIGURE_CONNECTOR            (RTAS_TOKEN_BASE + 0x1E)
636 #define RTAS_IBM_OS_TERM                        (RTAS_TOKEN_BASE + 0x1F)
637 #define RTAS_IBM_SET_EEH_OPTION                 (RTAS_TOKEN_BASE + 0x20)
638 #define RTAS_IBM_GET_CONFIG_ADDR_INFO2          (RTAS_TOKEN_BASE + 0x21)
639 #define RTAS_IBM_READ_SLOT_RESET_STATE2         (RTAS_TOKEN_BASE + 0x22)
640 #define RTAS_IBM_SET_SLOT_RESET                 (RTAS_TOKEN_BASE + 0x23)
641 #define RTAS_IBM_CONFIGURE_PE                   (RTAS_TOKEN_BASE + 0x24)
642 #define RTAS_IBM_SLOT_ERROR_DETAIL              (RTAS_TOKEN_BASE + 0x25)
643 #define RTAS_IBM_QUERY_PE_DMA_WINDOW            (RTAS_TOKEN_BASE + 0x26)
644 #define RTAS_IBM_CREATE_PE_DMA_WINDOW           (RTAS_TOKEN_BASE + 0x27)
645 #define RTAS_IBM_REMOVE_PE_DMA_WINDOW           (RTAS_TOKEN_BASE + 0x28)
646 #define RTAS_IBM_RESET_PE_DMA_WINDOW            (RTAS_TOKEN_BASE + 0x29)
647 #define RTAS_IBM_SUSPEND_ME                     (RTAS_TOKEN_BASE + 0x2A)
648 
649 #define RTAS_TOKEN_MAX                          (RTAS_TOKEN_BASE + 0x2B)
650 
651 /* RTAS ibm,get-system-parameter token values */
652 #define RTAS_SYSPARM_SPLPAR_CHARACTERISTICS      20
653 #define RTAS_SYSPARM_DIAGNOSTICS_RUN_MODE        42
654 #define RTAS_SYSPARM_UUID                        48
655 
656 /* RTAS indicator/sensor types
657  *
658  * as defined by PAPR+ 2.7 7.3.5.4, Table 41
659  *
660  * NOTE: currently only DR-related sensors are implemented here
661  */
662 #define RTAS_SENSOR_TYPE_ISOLATION_STATE        9001
663 #define RTAS_SENSOR_TYPE_DR                     9002
664 #define RTAS_SENSOR_TYPE_ALLOCATION_STATE       9003
665 #define RTAS_SENSOR_TYPE_ENTITY_SENSE RTAS_SENSOR_TYPE_ALLOCATION_STATE
666 
667 /* Possible values for the platform-processor-diagnostics-run-mode parameter
668  * of the RTAS ibm,get-system-parameter call.
669  */
670 #define DIAGNOSTICS_RUN_MODE_DISABLED  0
671 #define DIAGNOSTICS_RUN_MODE_STAGGERED 1
672 #define DIAGNOSTICS_RUN_MODE_IMMEDIATE 2
673 #define DIAGNOSTICS_RUN_MODE_PERIODIC  3
674 
675 static inline uint64_t ppc64_phys_to_real(uint64_t addr)
676 {
677     return addr & ~0xF000000000000000ULL;
678 }
679 
680 static inline uint32_t rtas_ld(target_ulong phys, int n)
681 {
682     return ldl_be_phys(&address_space_memory, ppc64_phys_to_real(phys + 4*n));
683 }
684 
685 static inline uint64_t rtas_ldq(target_ulong phys, int n)
686 {
687     return (uint64_t)rtas_ld(phys, n) << 32 | rtas_ld(phys, n + 1);
688 }
689 
690 static inline void rtas_st(target_ulong phys, int n, uint32_t val)
691 {
692     stl_be_phys(&address_space_memory, ppc64_phys_to_real(phys + 4*n), val);
693 }
694 
695 typedef void (*spapr_rtas_fn)(PowerPCCPU *cpu, SpaprMachineState *sm,
696                               uint32_t token,
697                               uint32_t nargs, target_ulong args,
698                               uint32_t nret, target_ulong rets);
699 void spapr_rtas_register(int token, const char *name, spapr_rtas_fn fn);
700 target_ulong spapr_rtas_call(PowerPCCPU *cpu, SpaprMachineState *sm,
701                              uint32_t token, uint32_t nargs, target_ulong args,
702                              uint32_t nret, target_ulong rets);
703 void spapr_dt_rtas_tokens(void *fdt, int rtas);
704 void spapr_load_rtas(SpaprMachineState *spapr, void *fdt, hwaddr addr);
705 
706 #define SPAPR_TCE_PAGE_SHIFT   12
707 #define SPAPR_TCE_PAGE_SIZE    (1ULL << SPAPR_TCE_PAGE_SHIFT)
708 #define SPAPR_TCE_PAGE_MASK    (SPAPR_TCE_PAGE_SIZE - 1)
709 
710 #define SPAPR_VIO_BASE_LIOBN    0x00000000
711 #define SPAPR_VIO_LIOBN(reg)    (0x00000000 | (reg))
712 #define SPAPR_PCI_LIOBN(phb_index, window_num) \
713     (0x80000000 | ((phb_index) << 8) | (window_num))
714 #define SPAPR_IS_PCI_LIOBN(liobn)   (!!((liobn) & 0x80000000))
715 #define SPAPR_PCI_DMA_WINDOW_NUM(liobn) ((liobn) & 0xff)
716 
717 #define RTAS_ERROR_LOG_MAX      2048
718 
719 #define RTAS_EVENT_SCAN_RATE    1
720 
721 /* This helper should be used to encode interrupt specifiers when the related
722  * "interrupt-controller" node has its "#interrupt-cells" property set to 2 (ie,
723  * VIO devices, RTAS event sources and PHBs).
724  */
725 static inline void spapr_dt_irq(uint32_t *intspec, int irq, bool is_lsi)
726 {
727     intspec[0] = cpu_to_be32(irq);
728     intspec[1] = is_lsi ? cpu_to_be32(1) : 0;
729 }
730 
731 typedef struct SpaprTceTable SpaprTceTable;
732 
733 #define TYPE_SPAPR_TCE_TABLE "spapr-tce-table"
734 #define SPAPR_TCE_TABLE(obj) \
735     OBJECT_CHECK(SpaprTceTable, (obj), TYPE_SPAPR_TCE_TABLE)
736 
737 #define TYPE_SPAPR_IOMMU_MEMORY_REGION "spapr-iommu-memory-region"
738 #define SPAPR_IOMMU_MEMORY_REGION(obj) \
739         OBJECT_CHECK(IOMMUMemoryRegion, (obj), TYPE_SPAPR_IOMMU_MEMORY_REGION)
740 
741 struct SpaprTceTable {
742     DeviceState parent;
743     uint32_t liobn;
744     uint32_t nb_table;
745     uint64_t bus_offset;
746     uint32_t page_shift;
747     uint64_t *table;
748     uint32_t mig_nb_table;
749     uint64_t *mig_table;
750     bool bypass;
751     bool need_vfio;
752     bool skipping_replay;
753     int fd;
754     MemoryRegion root;
755     IOMMUMemoryRegion iommu;
756     struct SpaprVioDevice *vdev; /* for @bypass migration compatibility only */
757     QLIST_ENTRY(SpaprTceTable) list;
758 };
759 
760 SpaprTceTable *spapr_tce_find_by_liobn(target_ulong liobn);
761 
762 struct SpaprEventLogEntry {
763     uint32_t summary;
764     uint32_t extended_length;
765     void *extended_log;
766     QTAILQ_ENTRY(SpaprEventLogEntry) next;
767 };
768 
769 void spapr_events_init(SpaprMachineState *sm);
770 void spapr_dt_events(SpaprMachineState *sm, void *fdt);
771 int spapr_h_cas_compose_response(SpaprMachineState *sm,
772                                  target_ulong addr, target_ulong size,
773                                  SpaprOptionVector *ov5_updates);
774 void close_htab_fd(SpaprMachineState *spapr);
775 void spapr_setup_hpt_and_vrma(SpaprMachineState *spapr);
776 void spapr_free_hpt(SpaprMachineState *spapr);
777 SpaprTceTable *spapr_tce_new_table(DeviceState *owner, uint32_t liobn);
778 void spapr_tce_table_enable(SpaprTceTable *tcet,
779                             uint32_t page_shift, uint64_t bus_offset,
780                             uint32_t nb_table);
781 void spapr_tce_table_disable(SpaprTceTable *tcet);
782 void spapr_tce_set_need_vfio(SpaprTceTable *tcet, bool need_vfio);
783 
784 MemoryRegion *spapr_tce_get_iommu(SpaprTceTable *tcet);
785 int spapr_dma_dt(void *fdt, int node_off, const char *propname,
786                  uint32_t liobn, uint64_t window, uint32_t size);
787 int spapr_tcet_dma_dt(void *fdt, int node_off, const char *propname,
788                       SpaprTceTable *tcet);
789 void spapr_pci_switch_vga(bool big_endian);
790 void spapr_hotplug_req_add_by_index(SpaprDrc *drc);
791 void spapr_hotplug_req_remove_by_index(SpaprDrc *drc);
792 void spapr_hotplug_req_add_by_count(SpaprDrcType drc_type,
793                                        uint32_t count);
794 void spapr_hotplug_req_remove_by_count(SpaprDrcType drc_type,
795                                           uint32_t count);
796 void spapr_hotplug_req_add_by_count_indexed(SpaprDrcType drc_type,
797                                             uint32_t count, uint32_t index);
798 void spapr_hotplug_req_remove_by_count_indexed(SpaprDrcType drc_type,
799                                                uint32_t count, uint32_t index);
800 int spapr_hpt_shift_for_ramsize(uint64_t ramsize);
801 void spapr_reallocate_hpt(SpaprMachineState *spapr, int shift,
802                           Error **errp);
803 void spapr_clear_pending_events(SpaprMachineState *spapr);
804 int spapr_max_server_number(SpaprMachineState *spapr);
805 void spapr_store_hpte(PowerPCCPU *cpu, hwaddr ptex,
806                       uint64_t pte0, uint64_t pte1);
807 
808 /* DRC callbacks. */
809 void spapr_core_release(DeviceState *dev);
810 int spapr_core_dt_populate(SpaprDrc *drc, SpaprMachineState *spapr,
811                            void *fdt, int *fdt_start_offset, Error **errp);
812 void spapr_lmb_release(DeviceState *dev);
813 int spapr_lmb_dt_populate(SpaprDrc *drc, SpaprMachineState *spapr,
814                           void *fdt, int *fdt_start_offset, Error **errp);
815 void spapr_phb_release(DeviceState *dev);
816 int spapr_phb_dt_populate(SpaprDrc *drc, SpaprMachineState *spapr,
817                           void *fdt, int *fdt_start_offset, Error **errp);
818 
819 void spapr_rtc_read(SpaprRtcState *rtc, struct tm *tm, uint32_t *ns);
820 int spapr_rtc_import_offset(SpaprRtcState *rtc, int64_t legacy_offset);
821 
822 #define TYPE_SPAPR_RNG "spapr-rng"
823 
824 #define SPAPR_MEMORY_BLOCK_SIZE ((hwaddr)1 << 28) /* 256MB */
825 
826 /*
827  * This defines the maximum number of DIMM slots we can have for sPAPR
828  * guest. This is not defined by sPAPR but we are defining it to 32 slots
829  * based on default number of slots provided by PowerPC kernel.
830  */
831 #define SPAPR_MAX_RAM_SLOTS     32
832 
833 /* 1GB alignment for hotplug memory region */
834 #define SPAPR_DEVICE_MEM_ALIGN (1 * GiB)
835 
836 /*
837  * Number of 32 bit words in each LMB list entry in ibm,dynamic-memory
838  * property under ibm,dynamic-reconfiguration-memory node.
839  */
840 #define SPAPR_DR_LMB_LIST_ENTRY_SIZE 6
841 
842 /*
843  * Defines for flag value in ibm,dynamic-memory property under
844  * ibm,dynamic-reconfiguration-memory node.
845  */
846 #define SPAPR_LMB_FLAGS_ASSIGNED 0x00000008
847 #define SPAPR_LMB_FLAGS_DRC_INVALID 0x00000020
848 #define SPAPR_LMB_FLAGS_RESERVED 0x00000080
849 
850 void spapr_do_system_reset_on_cpu(CPUState *cs, run_on_cpu_data arg);
851 
852 #define HTAB_SIZE(spapr)        (1ULL << ((spapr)->htab_shift))
853 
854 int spapr_get_vcpu_id(PowerPCCPU *cpu);
855 void spapr_set_vcpu_id(PowerPCCPU *cpu, int cpu_index, Error **errp);
856 PowerPCCPU *spapr_find_cpu(int vcpu_id);
857 
858 int spapr_caps_pre_load(void *opaque);
859 int spapr_caps_pre_save(void *opaque);
860 
861 /*
862  * Handling of optional capabilities
863  */
864 extern const VMStateDescription vmstate_spapr_cap_htm;
865 extern const VMStateDescription vmstate_spapr_cap_vsx;
866 extern const VMStateDescription vmstate_spapr_cap_dfp;
867 extern const VMStateDescription vmstate_spapr_cap_cfpc;
868 extern const VMStateDescription vmstate_spapr_cap_sbbc;
869 extern const VMStateDescription vmstate_spapr_cap_ibs;
870 extern const VMStateDescription vmstate_spapr_cap_hpt_maxpagesize;
871 extern const VMStateDescription vmstate_spapr_cap_nested_kvm_hv;
872 extern const VMStateDescription vmstate_spapr_cap_large_decr;
873 extern const VMStateDescription vmstate_spapr_cap_ccf_assist;
874 
875 static inline uint8_t spapr_get_cap(SpaprMachineState *spapr, int cap)
876 {
877     return spapr->eff.caps[cap];
878 }
879 
880 void spapr_caps_init(SpaprMachineState *spapr);
881 void spapr_caps_apply(SpaprMachineState *spapr);
882 void spapr_caps_cpu_apply(SpaprMachineState *spapr, PowerPCCPU *cpu);
883 void spapr_caps_add_properties(SpaprMachineClass *smc, Error **errp);
884 int spapr_caps_post_migration(SpaprMachineState *spapr);
885 
886 void spapr_check_pagesize(SpaprMachineState *spapr, hwaddr pagesize,
887                           Error **errp);
888 /*
889  * XIVE definitions
890  */
891 #define SPAPR_OV5_XIVE_LEGACY   0x0
892 #define SPAPR_OV5_XIVE_EXPLOIT  0x40
893 #define SPAPR_OV5_XIVE_BOTH     0x80 /* Only to advertise on the platform */
894 
895 void spapr_set_all_lpcrs(target_ulong value, target_ulong mask);
896 #endif /* HW_SPAPR_H */
897