xref: /openbmc/qemu/include/hw/ppc/spapr.h (revision be0aa7ac)
1 #ifndef HW_SPAPR_H
2 #define HW_SPAPR_H
3 
4 #include "sysemu/dma.h"
5 #include "hw/boards.h"
6 #include "hw/ppc/xics.h"
7 #include "hw/ppc/spapr_drc.h"
8 #include "hw/mem/pc-dimm.h"
9 #include "hw/ppc/spapr_ovec.h"
10 
11 struct VIOsPAPRBus;
12 struct sPAPRPHBState;
13 struct sPAPRNVRAM;
14 typedef struct sPAPREventLogEntry sPAPREventLogEntry;
15 typedef struct sPAPREventSource sPAPREventSource;
16 typedef struct sPAPRPendingHPT sPAPRPendingHPT;
17 
18 #define HPTE64_V_HPTE_DIRTY     0x0000000000000040ULL
19 #define SPAPR_ENTRY_POINT       0x100
20 
21 #define SPAPR_TIMEBASE_FREQ     512000000ULL
22 
23 #define TYPE_SPAPR_RTC "spapr-rtc"
24 
25 #define SPAPR_RTC(obj)                                  \
26     OBJECT_CHECK(sPAPRRTCState, (obj), TYPE_SPAPR_RTC)
27 
28 typedef struct sPAPRRTCState sPAPRRTCState;
29 struct sPAPRRTCState {
30     /*< private >*/
31     DeviceState parent_obj;
32     int64_t ns_offset;
33 };
34 
35 typedef struct sPAPRDIMMState sPAPRDIMMState;
36 typedef struct sPAPRMachineClass sPAPRMachineClass;
37 
38 #define TYPE_SPAPR_MACHINE      "spapr-machine"
39 #define SPAPR_MACHINE(obj) \
40     OBJECT_CHECK(sPAPRMachineState, (obj), TYPE_SPAPR_MACHINE)
41 #define SPAPR_MACHINE_GET_CLASS(obj) \
42     OBJECT_GET_CLASS(sPAPRMachineClass, obj, TYPE_SPAPR_MACHINE)
43 #define SPAPR_MACHINE_CLASS(klass) \
44     OBJECT_CLASS_CHECK(sPAPRMachineClass, klass, TYPE_SPAPR_MACHINE)
45 
46 typedef enum {
47     SPAPR_RESIZE_HPT_DEFAULT = 0,
48     SPAPR_RESIZE_HPT_DISABLED,
49     SPAPR_RESIZE_HPT_ENABLED,
50     SPAPR_RESIZE_HPT_REQUIRED,
51 } sPAPRResizeHPT;
52 
53 /**
54  * Capabilities
55  */
56 
57 /* Hardware Transactional Memory */
58 #define SPAPR_CAP_HTM                   0x00
59 /* Vector Scalar Extensions */
60 #define SPAPR_CAP_VSX                   0x01
61 /* Decimal Floating Point */
62 #define SPAPR_CAP_DFP                   0x02
63 /* Cache Flush on Privilege Change */
64 #define SPAPR_CAP_CFPC                  0x03
65 /* Speculation Barrier Bounds Checking */
66 #define SPAPR_CAP_SBBC                  0x04
67 /* Indirect Branch Serialisation */
68 #define SPAPR_CAP_IBS                   0x05
69 /* Num Caps */
70 #define SPAPR_CAP_NUM                   (SPAPR_CAP_IBS + 1)
71 
72 /*
73  * Capability Values
74  */
75 /* Bool Caps */
76 #define SPAPR_CAP_OFF                   0x00
77 #define SPAPR_CAP_ON                    0x01
78 /* Custom Caps */
79 #define SPAPR_CAP_BROKEN                0x00
80 #define SPAPR_CAP_WORKAROUND            0x01
81 #define SPAPR_CAP_FIXED                 0x02
82 #define SPAPR_CAP_FIXED_IBS             0x02
83 #define SPAPR_CAP_FIXED_CCD             0x03
84 
85 typedef struct sPAPRCapabilities sPAPRCapabilities;
86 struct sPAPRCapabilities {
87     uint8_t caps[SPAPR_CAP_NUM];
88 };
89 
90 /**
91  * sPAPRMachineClass:
92  */
93 struct sPAPRMachineClass {
94     /*< private >*/
95     MachineClass parent_class;
96 
97     /*< public >*/
98     bool dr_lmb_enabled;       /* enable dynamic-reconfig/hotplug of LMBs */
99     bool use_ohci_by_default;  /* use USB-OHCI instead of XHCI */
100     bool pre_2_10_has_unused_icps;
101     void (*phb_placement)(sPAPRMachineState *spapr, uint32_t index,
102                           uint64_t *buid, hwaddr *pio,
103                           hwaddr *mmio32, hwaddr *mmio64,
104                           unsigned n_dma, uint32_t *liobns, Error **errp);
105     sPAPRResizeHPT resize_hpt_default;
106     sPAPRCapabilities default_caps;
107 };
108 
109 /**
110  * sPAPRMachineState:
111  */
112 struct sPAPRMachineState {
113     /*< private >*/
114     MachineState parent_obj;
115 
116     struct VIOsPAPRBus *vio_bus;
117     QLIST_HEAD(, sPAPRPHBState) phbs;
118     struct sPAPRNVRAM *nvram;
119     ICSState *ics;
120     sPAPRRTCState rtc;
121 
122     sPAPRResizeHPT resize_hpt;
123     void *htab;
124     uint32_t htab_shift;
125     uint64_t patb_entry; /* Process tbl registed in H_REGISTER_PROCESS_TABLE */
126     sPAPRPendingHPT *pending_hpt; /* in-progress resize */
127 
128     hwaddr rma_size;
129     int vrma_adjust;
130     ssize_t rtas_size;
131     void *rtas_blob;
132     long kernel_size;
133     bool kernel_le;
134     uint32_t initrd_base;
135     long initrd_size;
136     uint64_t rtc_offset; /* Now used only during incoming migration */
137     struct PPCTimebase tb;
138     bool has_graphics;
139     uint32_t vsmt;       /* Virtual SMT mode (KVM's "core stride") */
140 
141     Notifier epow_notifier;
142     QTAILQ_HEAD(, sPAPREventLogEntry) pending_events;
143     bool use_hotplug_event_source;
144     sPAPREventSource *event_sources;
145 
146     /* ibm,client-architecture-support option negotiation */
147     bool cas_reboot;
148     bool cas_legacy_guest_workaround;
149     sPAPROptionVector *ov5;         /* QEMU-supported option vectors */
150     sPAPROptionVector *ov5_cas;     /* negotiated (via CAS) option vectors */
151     uint32_t max_compat_pvr;
152 
153     /* Migration state */
154     int htab_save_index;
155     bool htab_first_pass;
156     int htab_fd;
157 
158     /* Pending DIMM unplug cache. It is populated when a LMB
159      * unplug starts. It can be regenerated if a migration
160      * occurs during the unplug process. */
161     QTAILQ_HEAD(, sPAPRDIMMState) pending_dimm_unplugs;
162 
163     /*< public >*/
164     char *kvm_type;
165     MemoryHotplugState hotplug_memory;
166 
167     const char *icp_type;
168 
169     bool cmd_line_caps[SPAPR_CAP_NUM];
170     sPAPRCapabilities def, eff, mig;
171 };
172 
173 #define H_SUCCESS         0
174 #define H_BUSY            1        /* Hardware busy -- retry later */
175 #define H_CLOSED          2        /* Resource closed */
176 #define H_NOT_AVAILABLE   3
177 #define H_CONSTRAINED     4        /* Resource request constrained to max allowed */
178 #define H_PARTIAL         5
179 #define H_IN_PROGRESS     14       /* Kind of like busy */
180 #define H_PAGE_REGISTERED 15
181 #define H_PARTIAL_STORE   16
182 #define H_PENDING         17       /* returned from H_POLL_PENDING */
183 #define H_CONTINUE        18       /* Returned from H_Join on success */
184 #define H_LONG_BUSY_START_RANGE         9900  /* Start of long busy range */
185 #define H_LONG_BUSY_ORDER_1_MSEC        9900  /* Long busy, hint that 1msec \
186                                                  is a good time to retry */
187 #define H_LONG_BUSY_ORDER_10_MSEC       9901  /* Long busy, hint that 10msec \
188                                                  is a good time to retry */
189 #define H_LONG_BUSY_ORDER_100_MSEC      9902  /* Long busy, hint that 100msec \
190                                                  is a good time to retry */
191 #define H_LONG_BUSY_ORDER_1_SEC         9903  /* Long busy, hint that 1sec \
192                                                  is a good time to retry */
193 #define H_LONG_BUSY_ORDER_10_SEC        9904  /* Long busy, hint that 10sec \
194                                                  is a good time to retry */
195 #define H_LONG_BUSY_ORDER_100_SEC       9905  /* Long busy, hint that 100sec \
196                                                  is a good time to retry */
197 #define H_LONG_BUSY_END_RANGE           9905  /* End of long busy range */
198 #define H_HARDWARE        -1       /* Hardware error */
199 #define H_FUNCTION        -2       /* Function not supported */
200 #define H_PRIVILEGE       -3       /* Caller not privileged */
201 #define H_PARAMETER       -4       /* Parameter invalid, out-of-range or conflicting */
202 #define H_BAD_MODE        -5       /* Illegal msr value */
203 #define H_PTEG_FULL       -6       /* PTEG is full */
204 #define H_NOT_FOUND       -7       /* PTE was not found" */
205 #define H_RESERVED_DABR   -8       /* DABR address is reserved by the hypervisor on this processor" */
206 #define H_NO_MEM          -9
207 #define H_AUTHORITY       -10
208 #define H_PERMISSION      -11
209 #define H_DROPPED         -12
210 #define H_SOURCE_PARM     -13
211 #define H_DEST_PARM       -14
212 #define H_REMOTE_PARM     -15
213 #define H_RESOURCE        -16
214 #define H_ADAPTER_PARM    -17
215 #define H_RH_PARM         -18
216 #define H_RCQ_PARM        -19
217 #define H_SCQ_PARM        -20
218 #define H_EQ_PARM         -21
219 #define H_RT_PARM         -22
220 #define H_ST_PARM         -23
221 #define H_SIGT_PARM       -24
222 #define H_TOKEN_PARM      -25
223 #define H_MLENGTH_PARM    -27
224 #define H_MEM_PARM        -28
225 #define H_MEM_ACCESS_PARM -29
226 #define H_ATTR_PARM       -30
227 #define H_PORT_PARM       -31
228 #define H_MCG_PARM        -32
229 #define H_VL_PARM         -33
230 #define H_TSIZE_PARM      -34
231 #define H_TRACE_PARM      -35
232 
233 #define H_MASK_PARM       -37
234 #define H_MCG_FULL        -38
235 #define H_ALIAS_EXIST     -39
236 #define H_P_COUNTER       -40
237 #define H_TABLE_FULL      -41
238 #define H_ALT_TABLE       -42
239 #define H_MR_CONDITION    -43
240 #define H_NOT_ENOUGH_RESOURCES -44
241 #define H_R_STATE         -45
242 #define H_RESCINDEND      -46
243 #define H_P2              -55
244 #define H_P3              -56
245 #define H_P4              -57
246 #define H_P5              -58
247 #define H_P6              -59
248 #define H_P7              -60
249 #define H_P8              -61
250 #define H_P9              -62
251 #define H_UNSUPPORTED_FLAG -256
252 #define H_MULTI_THREADS_ACTIVE -9005
253 
254 
255 /* Long Busy is a condition that can be returned by the firmware
256  * when a call cannot be completed now, but the identical call
257  * should be retried later.  This prevents calls blocking in the
258  * firmware for long periods of time.  Annoyingly the firmware can return
259  * a range of return codes, hinting at how long we should wait before
260  * retrying.  If you don't care for the hint, the macro below is a good
261  * way to check for the long_busy return codes
262  */
263 #define H_IS_LONG_BUSY(x)  ((x >= H_LONG_BUSY_START_RANGE) \
264                             && (x <= H_LONG_BUSY_END_RANGE))
265 
266 /* Flags */
267 #define H_LARGE_PAGE      (1ULL<<(63-16))
268 #define H_EXACT           (1ULL<<(63-24))       /* Use exact PTE or return H_PTEG_FULL */
269 #define H_R_XLATE         (1ULL<<(63-25))       /* include a valid logical page num in the pte if the valid bit is set */
270 #define H_READ_4          (1ULL<<(63-26))       /* Return 4 PTEs */
271 #define H_PAGE_STATE_CHANGE (1ULL<<(63-28))
272 #define H_PAGE_UNUSED     ((1ULL<<(63-29)) | (1ULL<<(63-30)))
273 #define H_PAGE_SET_UNUSED (H_PAGE_STATE_CHANGE | H_PAGE_UNUSED)
274 #define H_PAGE_SET_LOANED (H_PAGE_SET_UNUSED | (1ULL<<(63-31)))
275 #define H_PAGE_SET_ACTIVE H_PAGE_STATE_CHANGE
276 #define H_AVPN            (1ULL<<(63-32))       /* An avpn is provided as a sanity test */
277 #define H_ANDCOND         (1ULL<<(63-33))
278 #define H_ICACHE_INVALIDATE (1ULL<<(63-40))     /* icbi, etc.  (ignored for IO pages) */
279 #define H_ICACHE_SYNCHRONIZE (1ULL<<(63-41))    /* dcbst, icbi, etc (ignored for IO pages */
280 #define H_ZERO_PAGE       (1ULL<<(63-48))       /* zero the page before mapping (ignored for IO pages) */
281 #define H_COPY_PAGE       (1ULL<<(63-49))
282 #define H_N               (1ULL<<(63-61))
283 #define H_PP1             (1ULL<<(63-62))
284 #define H_PP2             (1ULL<<(63-63))
285 
286 /* Values for 2nd argument to H_SET_MODE */
287 #define H_SET_MODE_RESOURCE_SET_CIABR           1
288 #define H_SET_MODE_RESOURCE_SET_DAWR            2
289 #define H_SET_MODE_RESOURCE_ADDR_TRANS_MODE     3
290 #define H_SET_MODE_RESOURCE_LE                  4
291 
292 /* Flags for H_SET_MODE_RESOURCE_LE */
293 #define H_SET_MODE_ENDIAN_BIG    0
294 #define H_SET_MODE_ENDIAN_LITTLE 1
295 
296 /* VASI States */
297 #define H_VASI_INVALID    0
298 #define H_VASI_ENABLED    1
299 #define H_VASI_ABORTED    2
300 #define H_VASI_SUSPENDING 3
301 #define H_VASI_SUSPENDED  4
302 #define H_VASI_RESUMED    5
303 #define H_VASI_COMPLETED  6
304 
305 /* DABRX flags */
306 #define H_DABRX_HYPERVISOR (1ULL<<(63-61))
307 #define H_DABRX_KERNEL     (1ULL<<(63-62))
308 #define H_DABRX_USER       (1ULL<<(63-63))
309 
310 /* Values for KVM_PPC_GET_CPU_CHAR & H_GET_CPU_CHARACTERISTICS */
311 #define H_CPU_CHAR_SPEC_BAR_ORI31               PPC_BIT(0)
312 #define H_CPU_CHAR_BCCTRL_SERIALISED            PPC_BIT(1)
313 #define H_CPU_CHAR_L1D_FLUSH_ORI30              PPC_BIT(2)
314 #define H_CPU_CHAR_L1D_FLUSH_TRIG2              PPC_BIT(3)
315 #define H_CPU_CHAR_L1D_THREAD_PRIV              PPC_BIT(4)
316 #define H_CPU_CHAR_HON_BRANCH_HINTS             PPC_BIT(5)
317 #define H_CPU_CHAR_THR_RECONF_TRIG              PPC_BIT(6)
318 #define H_CPU_CHAR_CACHE_COUNT_DIS              PPC_BIT(7)
319 #define H_CPU_BEHAV_FAVOUR_SECURITY             PPC_BIT(0)
320 #define H_CPU_BEHAV_L1D_FLUSH_PR                PPC_BIT(1)
321 #define H_CPU_BEHAV_BNDS_CHK_SPEC_BAR           PPC_BIT(2)
322 
323 /* Each control block has to be on a 4K boundary */
324 #define H_CB_ALIGNMENT     4096
325 
326 /* pSeries hypervisor opcodes */
327 #define H_REMOVE                0x04
328 #define H_ENTER                 0x08
329 #define H_READ                  0x0c
330 #define H_CLEAR_MOD             0x10
331 #define H_CLEAR_REF             0x14
332 #define H_PROTECT               0x18
333 #define H_GET_TCE               0x1c
334 #define H_PUT_TCE               0x20
335 #define H_SET_SPRG0             0x24
336 #define H_SET_DABR              0x28
337 #define H_PAGE_INIT             0x2c
338 #define H_SET_ASR               0x30
339 #define H_ASR_ON                0x34
340 #define H_ASR_OFF               0x38
341 #define H_LOGICAL_CI_LOAD       0x3c
342 #define H_LOGICAL_CI_STORE      0x40
343 #define H_LOGICAL_CACHE_LOAD    0x44
344 #define H_LOGICAL_CACHE_STORE   0x48
345 #define H_LOGICAL_ICBI          0x4c
346 #define H_LOGICAL_DCBF          0x50
347 #define H_GET_TERM_CHAR         0x54
348 #define H_PUT_TERM_CHAR         0x58
349 #define H_REAL_TO_LOGICAL       0x5c
350 #define H_HYPERVISOR_DATA       0x60
351 #define H_EOI                   0x64
352 #define H_CPPR                  0x68
353 #define H_IPI                   0x6c
354 #define H_IPOLL                 0x70
355 #define H_XIRR                  0x74
356 #define H_PERFMON               0x7c
357 #define H_MIGRATE_DMA           0x78
358 #define H_REGISTER_VPA          0xDC
359 #define H_CEDE                  0xE0
360 #define H_CONFER                0xE4
361 #define H_PROD                  0xE8
362 #define H_GET_PPP               0xEC
363 #define H_SET_PPP               0xF0
364 #define H_PURR                  0xF4
365 #define H_PIC                   0xF8
366 #define H_REG_CRQ               0xFC
367 #define H_FREE_CRQ              0x100
368 #define H_VIO_SIGNAL            0x104
369 #define H_SEND_CRQ              0x108
370 #define H_COPY_RDMA             0x110
371 #define H_REGISTER_LOGICAL_LAN  0x114
372 #define H_FREE_LOGICAL_LAN      0x118
373 #define H_ADD_LOGICAL_LAN_BUFFER 0x11C
374 #define H_SEND_LOGICAL_LAN      0x120
375 #define H_BULK_REMOVE           0x124
376 #define H_MULTICAST_CTRL        0x130
377 #define H_SET_XDABR             0x134
378 #define H_STUFF_TCE             0x138
379 #define H_PUT_TCE_INDIRECT      0x13C
380 #define H_CHANGE_LOGICAL_LAN_MAC 0x14C
381 #define H_VTERM_PARTNER_INFO    0x150
382 #define H_REGISTER_VTERM        0x154
383 #define H_FREE_VTERM            0x158
384 #define H_RESET_EVENTS          0x15C
385 #define H_ALLOC_RESOURCE        0x160
386 #define H_FREE_RESOURCE         0x164
387 #define H_MODIFY_QP             0x168
388 #define H_QUERY_QP              0x16C
389 #define H_REREGISTER_PMR        0x170
390 #define H_REGISTER_SMR          0x174
391 #define H_QUERY_MR              0x178
392 #define H_QUERY_MW              0x17C
393 #define H_QUERY_HCA             0x180
394 #define H_QUERY_PORT            0x184
395 #define H_MODIFY_PORT           0x188
396 #define H_DEFINE_AQP1           0x18C
397 #define H_GET_TRACE_BUFFER      0x190
398 #define H_DEFINE_AQP0           0x194
399 #define H_RESIZE_MR             0x198
400 #define H_ATTACH_MCQP           0x19C
401 #define H_DETACH_MCQP           0x1A0
402 #define H_CREATE_RPT            0x1A4
403 #define H_REMOVE_RPT            0x1A8
404 #define H_REGISTER_RPAGES       0x1AC
405 #define H_DISABLE_AND_GETC      0x1B0
406 #define H_ERROR_DATA            0x1B4
407 #define H_GET_HCA_INFO          0x1B8
408 #define H_GET_PERF_COUNT        0x1BC
409 #define H_MANAGE_TRACE          0x1C0
410 #define H_GET_CPU_CHARACTERISTICS 0x1C8
411 #define H_FREE_LOGICAL_LAN_BUFFER 0x1D4
412 #define H_QUERY_INT_STATE       0x1E4
413 #define H_POLL_PENDING          0x1D8
414 #define H_ILLAN_ATTRIBUTES      0x244
415 #define H_MODIFY_HEA_QP         0x250
416 #define H_QUERY_HEA_QP          0x254
417 #define H_QUERY_HEA             0x258
418 #define H_QUERY_HEA_PORT        0x25C
419 #define H_MODIFY_HEA_PORT       0x260
420 #define H_REG_BCMC              0x264
421 #define H_DEREG_BCMC            0x268
422 #define H_REGISTER_HEA_RPAGES   0x26C
423 #define H_DISABLE_AND_GET_HEA   0x270
424 #define H_GET_HEA_INFO          0x274
425 #define H_ALLOC_HEA_RESOURCE    0x278
426 #define H_ADD_CONN              0x284
427 #define H_DEL_CONN              0x288
428 #define H_JOIN                  0x298
429 #define H_VASI_STATE            0x2A4
430 #define H_ENABLE_CRQ            0x2B0
431 #define H_GET_EM_PARMS          0x2B8
432 #define H_SET_MPP               0x2D0
433 #define H_GET_MPP               0x2D4
434 #define H_XIRR_X                0x2FC
435 #define H_RANDOM                0x300
436 #define H_SET_MODE              0x31C
437 #define H_RESIZE_HPT_PREPARE    0x36C
438 #define H_RESIZE_HPT_COMMIT     0x370
439 #define H_CLEAN_SLB             0x374
440 #define H_INVALIDATE_PID        0x378
441 #define H_REGISTER_PROC_TBL     0x37C
442 #define H_SIGNAL_SYS_RESET      0x380
443 #define MAX_HCALL_OPCODE        H_SIGNAL_SYS_RESET
444 
445 /* The hcalls above are standardized in PAPR and implemented by pHyp
446  * as well.
447  *
448  * We also need some hcalls which are specific to qemu / KVM-on-POWER.
449  * We put those into the 0xf000-0xfffc range which is reserved by PAPR
450  * for "platform-specific" hcalls.
451  */
452 #define KVMPPC_HCALL_BASE       0xf000
453 #define KVMPPC_H_RTAS           (KVMPPC_HCALL_BASE + 0x0)
454 #define KVMPPC_H_LOGICAL_MEMOP  (KVMPPC_HCALL_BASE + 0x1)
455 /* Client Architecture support */
456 #define KVMPPC_H_CAS            (KVMPPC_HCALL_BASE + 0x2)
457 #define KVMPPC_HCALL_MAX        KVMPPC_H_CAS
458 
459 typedef struct sPAPRDeviceTreeUpdateHeader {
460     uint32_t version_id;
461 } sPAPRDeviceTreeUpdateHeader;
462 
463 #define hcall_dprintf(fmt, ...) \
464     do { \
465         qemu_log_mask(LOG_GUEST_ERROR, "%s: " fmt, __func__, ## __VA_ARGS__); \
466     } while (0)
467 
468 typedef target_ulong (*spapr_hcall_fn)(PowerPCCPU *cpu, sPAPRMachineState *sm,
469                                        target_ulong opcode,
470                                        target_ulong *args);
471 
472 void spapr_register_hypercall(target_ulong opcode, spapr_hcall_fn fn);
473 target_ulong spapr_hypercall(PowerPCCPU *cpu, target_ulong opcode,
474                              target_ulong *args);
475 
476 /* ibm,set-eeh-option */
477 #define RTAS_EEH_DISABLE                 0
478 #define RTAS_EEH_ENABLE                  1
479 #define RTAS_EEH_THAW_IO                 2
480 #define RTAS_EEH_THAW_DMA                3
481 
482 /* ibm,get-config-addr-info2 */
483 #define RTAS_GET_PE_ADDR                 0
484 #define RTAS_GET_PE_MODE                 1
485 #define RTAS_PE_MODE_NONE                0
486 #define RTAS_PE_MODE_NOT_SHARED          1
487 #define RTAS_PE_MODE_SHARED              2
488 
489 /* ibm,read-slot-reset-state2 */
490 #define RTAS_EEH_PE_STATE_NORMAL         0
491 #define RTAS_EEH_PE_STATE_RESET          1
492 #define RTAS_EEH_PE_STATE_STOPPED_IO_DMA 2
493 #define RTAS_EEH_PE_STATE_STOPPED_DMA    4
494 #define RTAS_EEH_PE_STATE_UNAVAIL        5
495 #define RTAS_EEH_NOT_SUPPORT             0
496 #define RTAS_EEH_SUPPORT                 1
497 #define RTAS_EEH_PE_UNAVAIL_INFO         1000
498 #define RTAS_EEH_PE_RECOVER_INFO         0
499 
500 /* ibm,set-slot-reset */
501 #define RTAS_SLOT_RESET_DEACTIVATE       0
502 #define RTAS_SLOT_RESET_HOT              1
503 #define RTAS_SLOT_RESET_FUNDAMENTAL      3
504 
505 /* ibm,slot-error-detail */
506 #define RTAS_SLOT_TEMP_ERR_LOG           1
507 #define RTAS_SLOT_PERM_ERR_LOG           2
508 
509 /* RTAS return codes */
510 #define RTAS_OUT_SUCCESS                        0
511 #define RTAS_OUT_NO_ERRORS_FOUND                1
512 #define RTAS_OUT_HW_ERROR                       -1
513 #define RTAS_OUT_BUSY                           -2
514 #define RTAS_OUT_PARAM_ERROR                    -3
515 #define RTAS_OUT_NOT_SUPPORTED                  -3
516 #define RTAS_OUT_NO_SUCH_INDICATOR              -3
517 #define RTAS_OUT_NOT_AUTHORIZED                 -9002
518 #define RTAS_OUT_SYSPARM_PARAM_ERROR            -9999
519 
520 /* DDW pagesize mask values from ibm,query-pe-dma-window */
521 #define RTAS_DDW_PGSIZE_4K       0x01
522 #define RTAS_DDW_PGSIZE_64K      0x02
523 #define RTAS_DDW_PGSIZE_16M      0x04
524 #define RTAS_DDW_PGSIZE_32M      0x08
525 #define RTAS_DDW_PGSIZE_64M      0x10
526 #define RTAS_DDW_PGSIZE_128M     0x20
527 #define RTAS_DDW_PGSIZE_256M     0x40
528 #define RTAS_DDW_PGSIZE_16G      0x80
529 
530 /* RTAS tokens */
531 #define RTAS_TOKEN_BASE      0x2000
532 
533 #define RTAS_DISPLAY_CHARACTER                  (RTAS_TOKEN_BASE + 0x00)
534 #define RTAS_GET_TIME_OF_DAY                    (RTAS_TOKEN_BASE + 0x01)
535 #define RTAS_SET_TIME_OF_DAY                    (RTAS_TOKEN_BASE + 0x02)
536 #define RTAS_POWER_OFF                          (RTAS_TOKEN_BASE + 0x03)
537 #define RTAS_SYSTEM_REBOOT                      (RTAS_TOKEN_BASE + 0x04)
538 #define RTAS_QUERY_CPU_STOPPED_STATE            (RTAS_TOKEN_BASE + 0x05)
539 #define RTAS_START_CPU                          (RTAS_TOKEN_BASE + 0x06)
540 #define RTAS_STOP_SELF                          (RTAS_TOKEN_BASE + 0x07)
541 #define RTAS_IBM_GET_SYSTEM_PARAMETER           (RTAS_TOKEN_BASE + 0x08)
542 #define RTAS_IBM_SET_SYSTEM_PARAMETER           (RTAS_TOKEN_BASE + 0x09)
543 #define RTAS_IBM_SET_XIVE                       (RTAS_TOKEN_BASE + 0x0A)
544 #define RTAS_IBM_GET_XIVE                       (RTAS_TOKEN_BASE + 0x0B)
545 #define RTAS_IBM_INT_OFF                        (RTAS_TOKEN_BASE + 0x0C)
546 #define RTAS_IBM_INT_ON                         (RTAS_TOKEN_BASE + 0x0D)
547 #define RTAS_CHECK_EXCEPTION                    (RTAS_TOKEN_BASE + 0x0E)
548 #define RTAS_EVENT_SCAN                         (RTAS_TOKEN_BASE + 0x0F)
549 #define RTAS_IBM_SET_TCE_BYPASS                 (RTAS_TOKEN_BASE + 0x10)
550 #define RTAS_QUIESCE                            (RTAS_TOKEN_BASE + 0x11)
551 #define RTAS_NVRAM_FETCH                        (RTAS_TOKEN_BASE + 0x12)
552 #define RTAS_NVRAM_STORE                        (RTAS_TOKEN_BASE + 0x13)
553 #define RTAS_READ_PCI_CONFIG                    (RTAS_TOKEN_BASE + 0x14)
554 #define RTAS_WRITE_PCI_CONFIG                   (RTAS_TOKEN_BASE + 0x15)
555 #define RTAS_IBM_READ_PCI_CONFIG                (RTAS_TOKEN_BASE + 0x16)
556 #define RTAS_IBM_WRITE_PCI_CONFIG               (RTAS_TOKEN_BASE + 0x17)
557 #define RTAS_IBM_QUERY_INTERRUPT_SOURCE_NUMBER  (RTAS_TOKEN_BASE + 0x18)
558 #define RTAS_IBM_CHANGE_MSI                     (RTAS_TOKEN_BASE + 0x19)
559 #define RTAS_SET_INDICATOR                      (RTAS_TOKEN_BASE + 0x1A)
560 #define RTAS_SET_POWER_LEVEL                    (RTAS_TOKEN_BASE + 0x1B)
561 #define RTAS_GET_POWER_LEVEL                    (RTAS_TOKEN_BASE + 0x1C)
562 #define RTAS_GET_SENSOR_STATE                   (RTAS_TOKEN_BASE + 0x1D)
563 #define RTAS_IBM_CONFIGURE_CONNECTOR            (RTAS_TOKEN_BASE + 0x1E)
564 #define RTAS_IBM_OS_TERM                        (RTAS_TOKEN_BASE + 0x1F)
565 #define RTAS_IBM_SET_EEH_OPTION                 (RTAS_TOKEN_BASE + 0x20)
566 #define RTAS_IBM_GET_CONFIG_ADDR_INFO2          (RTAS_TOKEN_BASE + 0x21)
567 #define RTAS_IBM_READ_SLOT_RESET_STATE2         (RTAS_TOKEN_BASE + 0x22)
568 #define RTAS_IBM_SET_SLOT_RESET                 (RTAS_TOKEN_BASE + 0x23)
569 #define RTAS_IBM_CONFIGURE_PE                   (RTAS_TOKEN_BASE + 0x24)
570 #define RTAS_IBM_SLOT_ERROR_DETAIL              (RTAS_TOKEN_BASE + 0x25)
571 #define RTAS_IBM_QUERY_PE_DMA_WINDOW            (RTAS_TOKEN_BASE + 0x26)
572 #define RTAS_IBM_CREATE_PE_DMA_WINDOW           (RTAS_TOKEN_BASE + 0x27)
573 #define RTAS_IBM_REMOVE_PE_DMA_WINDOW           (RTAS_TOKEN_BASE + 0x28)
574 #define RTAS_IBM_RESET_PE_DMA_WINDOW            (RTAS_TOKEN_BASE + 0x29)
575 
576 #define RTAS_TOKEN_MAX                          (RTAS_TOKEN_BASE + 0x2A)
577 
578 /* RTAS ibm,get-system-parameter token values */
579 #define RTAS_SYSPARM_SPLPAR_CHARACTERISTICS      20
580 #define RTAS_SYSPARM_DIAGNOSTICS_RUN_MODE        42
581 #define RTAS_SYSPARM_UUID                        48
582 
583 /* RTAS indicator/sensor types
584  *
585  * as defined by PAPR+ 2.7 7.3.5.4, Table 41
586  *
587  * NOTE: currently only DR-related sensors are implemented here
588  */
589 #define RTAS_SENSOR_TYPE_ISOLATION_STATE        9001
590 #define RTAS_SENSOR_TYPE_DR                     9002
591 #define RTAS_SENSOR_TYPE_ALLOCATION_STATE       9003
592 #define RTAS_SENSOR_TYPE_ENTITY_SENSE RTAS_SENSOR_TYPE_ALLOCATION_STATE
593 
594 /* Possible values for the platform-processor-diagnostics-run-mode parameter
595  * of the RTAS ibm,get-system-parameter call.
596  */
597 #define DIAGNOSTICS_RUN_MODE_DISABLED  0
598 #define DIAGNOSTICS_RUN_MODE_STAGGERED 1
599 #define DIAGNOSTICS_RUN_MODE_IMMEDIATE 2
600 #define DIAGNOSTICS_RUN_MODE_PERIODIC  3
601 
602 static inline uint64_t ppc64_phys_to_real(uint64_t addr)
603 {
604     return addr & ~0xF000000000000000ULL;
605 }
606 
607 static inline uint32_t rtas_ld(target_ulong phys, int n)
608 {
609     return ldl_be_phys(&address_space_memory, ppc64_phys_to_real(phys + 4*n));
610 }
611 
612 static inline uint64_t rtas_ldq(target_ulong phys, int n)
613 {
614     return (uint64_t)rtas_ld(phys, n) << 32 | rtas_ld(phys, n + 1);
615 }
616 
617 static inline void rtas_st(target_ulong phys, int n, uint32_t val)
618 {
619     stl_be_phys(&address_space_memory, ppc64_phys_to_real(phys + 4*n), val);
620 }
621 
622 typedef void (*spapr_rtas_fn)(PowerPCCPU *cpu, sPAPRMachineState *sm,
623                               uint32_t token,
624                               uint32_t nargs, target_ulong args,
625                               uint32_t nret, target_ulong rets);
626 void spapr_rtas_register(int token, const char *name, spapr_rtas_fn fn);
627 target_ulong spapr_rtas_call(PowerPCCPU *cpu, sPAPRMachineState *sm,
628                              uint32_t token, uint32_t nargs, target_ulong args,
629                              uint32_t nret, target_ulong rets);
630 void spapr_dt_rtas_tokens(void *fdt, int rtas);
631 void spapr_load_rtas(sPAPRMachineState *spapr, void *fdt, hwaddr addr);
632 
633 #define SPAPR_TCE_PAGE_SHIFT   12
634 #define SPAPR_TCE_PAGE_SIZE    (1ULL << SPAPR_TCE_PAGE_SHIFT)
635 #define SPAPR_TCE_PAGE_MASK    (SPAPR_TCE_PAGE_SIZE - 1)
636 
637 #define SPAPR_VIO_BASE_LIOBN    0x00000000
638 #define SPAPR_VIO_LIOBN(reg)    (0x00000000 | (reg))
639 #define SPAPR_PCI_LIOBN(phb_index, window_num) \
640     (0x80000000 | ((phb_index) << 8) | (window_num))
641 #define SPAPR_IS_PCI_LIOBN(liobn)   (!!((liobn) & 0x80000000))
642 #define SPAPR_PCI_DMA_WINDOW_NUM(liobn) ((liobn) & 0xff)
643 
644 #define RTAS_ERROR_LOG_MAX      2048
645 
646 #define RTAS_EVENT_SCAN_RATE    1
647 
648 /* This helper should be used to encode interrupt specifiers when the related
649  * "interrupt-controller" node has its "#interrupt-cells" property set to 2 (ie,
650  * VIO devices, RTAS event sources and PHBs).
651  */
652 static inline void spapr_dt_xics_irq(uint32_t *intspec, int irq, bool is_lsi)
653 {
654     intspec[0] = cpu_to_be32(irq);
655     intspec[1] = is_lsi ? cpu_to_be32(1) : 0;
656 }
657 
658 typedef struct sPAPRTCETable sPAPRTCETable;
659 
660 #define TYPE_SPAPR_TCE_TABLE "spapr-tce-table"
661 #define SPAPR_TCE_TABLE(obj) \
662     OBJECT_CHECK(sPAPRTCETable, (obj), TYPE_SPAPR_TCE_TABLE)
663 
664 #define TYPE_SPAPR_IOMMU_MEMORY_REGION "spapr-iommu-memory-region"
665 #define SPAPR_IOMMU_MEMORY_REGION(obj) \
666         OBJECT_CHECK(IOMMUMemoryRegion, (obj), TYPE_SPAPR_IOMMU_MEMORY_REGION)
667 
668 struct sPAPRTCETable {
669     DeviceState parent;
670     uint32_t liobn;
671     uint32_t nb_table;
672     uint64_t bus_offset;
673     uint32_t page_shift;
674     uint64_t *table;
675     uint32_t mig_nb_table;
676     uint64_t *mig_table;
677     bool bypass;
678     bool need_vfio;
679     int fd;
680     MemoryRegion root;
681     IOMMUMemoryRegion iommu;
682     struct VIOsPAPRDevice *vdev; /* for @bypass migration compatibility only */
683     QLIST_ENTRY(sPAPRTCETable) list;
684 };
685 
686 sPAPRTCETable *spapr_tce_find_by_liobn(target_ulong liobn);
687 
688 struct sPAPREventLogEntry {
689     uint32_t summary;
690     uint32_t extended_length;
691     void *extended_log;
692     QTAILQ_ENTRY(sPAPREventLogEntry) next;
693 };
694 
695 void spapr_events_init(sPAPRMachineState *sm);
696 void spapr_dt_events(sPAPRMachineState *sm, void *fdt);
697 int spapr_h_cas_compose_response(sPAPRMachineState *sm,
698                                  target_ulong addr, target_ulong size,
699                                  sPAPROptionVector *ov5_updates);
700 void close_htab_fd(sPAPRMachineState *spapr);
701 void spapr_setup_hpt_and_vrma(sPAPRMachineState *spapr);
702 void spapr_free_hpt(sPAPRMachineState *spapr);
703 sPAPRTCETable *spapr_tce_new_table(DeviceState *owner, uint32_t liobn);
704 void spapr_tce_table_enable(sPAPRTCETable *tcet,
705                             uint32_t page_shift, uint64_t bus_offset,
706                             uint32_t nb_table);
707 void spapr_tce_table_disable(sPAPRTCETable *tcet);
708 void spapr_tce_set_need_vfio(sPAPRTCETable *tcet, bool need_vfio);
709 
710 MemoryRegion *spapr_tce_get_iommu(sPAPRTCETable *tcet);
711 int spapr_dma_dt(void *fdt, int node_off, const char *propname,
712                  uint32_t liobn, uint64_t window, uint32_t size);
713 int spapr_tcet_dma_dt(void *fdt, int node_off, const char *propname,
714                       sPAPRTCETable *tcet);
715 void spapr_pci_switch_vga(bool big_endian);
716 void spapr_hotplug_req_add_by_index(sPAPRDRConnector *drc);
717 void spapr_hotplug_req_remove_by_index(sPAPRDRConnector *drc);
718 void spapr_hotplug_req_add_by_count(sPAPRDRConnectorType drc_type,
719                                        uint32_t count);
720 void spapr_hotplug_req_remove_by_count(sPAPRDRConnectorType drc_type,
721                                           uint32_t count);
722 void spapr_hotplug_req_add_by_count_indexed(sPAPRDRConnectorType drc_type,
723                                             uint32_t count, uint32_t index);
724 void spapr_hotplug_req_remove_by_count_indexed(sPAPRDRConnectorType drc_type,
725                                                uint32_t count, uint32_t index);
726 int spapr_hpt_shift_for_ramsize(uint64_t ramsize);
727 void spapr_reallocate_hpt(sPAPRMachineState *spapr, int shift,
728                           Error **errp);
729 void spapr_clear_pending_events(sPAPRMachineState *spapr);
730 
731 /* CPU and LMB DRC release callbacks. */
732 void spapr_core_release(DeviceState *dev);
733 void spapr_lmb_release(DeviceState *dev);
734 
735 void spapr_rtc_read(sPAPRRTCState *rtc, struct tm *tm, uint32_t *ns);
736 int spapr_rtc_import_offset(sPAPRRTCState *rtc, int64_t legacy_offset);
737 
738 #define TYPE_SPAPR_RNG "spapr-rng"
739 
740 int spapr_rng_populate_dt(void *fdt);
741 
742 #define SPAPR_MEMORY_BLOCK_SIZE (1 << 28) /* 256MB */
743 
744 /*
745  * This defines the maximum number of DIMM slots we can have for sPAPR
746  * guest. This is not defined by sPAPR but we are defining it to 32 slots
747  * based on default number of slots provided by PowerPC kernel.
748  */
749 #define SPAPR_MAX_RAM_SLOTS     32
750 
751 /* 1GB alignment for hotplug memory region */
752 #define SPAPR_HOTPLUG_MEM_ALIGN (1ULL << 30)
753 
754 /*
755  * Number of 32 bit words in each LMB list entry in ibm,dynamic-memory
756  * property under ibm,dynamic-reconfiguration-memory node.
757  */
758 #define SPAPR_DR_LMB_LIST_ENTRY_SIZE 6
759 
760 /*
761  * Defines for flag value in ibm,dynamic-memory property under
762  * ibm,dynamic-reconfiguration-memory node.
763  */
764 #define SPAPR_LMB_FLAGS_ASSIGNED 0x00000008
765 #define SPAPR_LMB_FLAGS_DRC_INVALID 0x00000020
766 #define SPAPR_LMB_FLAGS_RESERVED 0x00000080
767 
768 void spapr_do_system_reset_on_cpu(CPUState *cs, run_on_cpu_data arg);
769 
770 #define HTAB_SIZE(spapr)        (1ULL << ((spapr)->htab_shift))
771 
772 int spapr_get_vcpu_id(PowerPCCPU *cpu);
773 void spapr_set_vcpu_id(PowerPCCPU *cpu, int cpu_index, Error **errp);
774 PowerPCCPU *spapr_find_cpu(int vcpu_id);
775 
776 int spapr_irq_alloc(sPAPRMachineState *spapr, int irq_hint, bool lsi,
777                     Error **errp);
778 int spapr_irq_alloc_block(sPAPRMachineState *spapr, int num, bool lsi,
779                           bool align, Error **errp);
780 void spapr_irq_free(sPAPRMachineState *spapr, int irq, int num);
781 qemu_irq spapr_qirq(sPAPRMachineState *spapr, int irq);
782 
783 
784 int spapr_caps_pre_load(void *opaque);
785 int spapr_caps_pre_save(void *opaque);
786 
787 /*
788  * Handling of optional capabilities
789  */
790 extern const VMStateDescription vmstate_spapr_cap_htm;
791 extern const VMStateDescription vmstate_spapr_cap_vsx;
792 extern const VMStateDescription vmstate_spapr_cap_dfp;
793 extern const VMStateDescription vmstate_spapr_cap_cfpc;
794 extern const VMStateDescription vmstate_spapr_cap_sbbc;
795 extern const VMStateDescription vmstate_spapr_cap_ibs;
796 
797 static inline uint8_t spapr_get_cap(sPAPRMachineState *spapr, int cap)
798 {
799     return spapr->eff.caps[cap];
800 }
801 
802 void spapr_caps_reset(sPAPRMachineState *spapr);
803 void spapr_caps_add_properties(sPAPRMachineClass *smc, Error **errp);
804 int spapr_caps_post_migration(sPAPRMachineState *spapr);
805 
806 #endif /* HW_SPAPR_H */
807