xref: /openbmc/qemu/include/hw/ppc/spapr.h (revision c39f95dc)
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  * sPAPRMachineClass:
55  */
56 struct sPAPRMachineClass {
57     /*< private >*/
58     MachineClass parent_class;
59 
60     /*< public >*/
61     bool dr_lmb_enabled;       /* enable dynamic-reconfig/hotplug of LMBs */
62     bool use_ohci_by_default;  /* use USB-OHCI instead of XHCI */
63     bool pre_2_10_has_unused_icps;
64     void (*phb_placement)(sPAPRMachineState *spapr, uint32_t index,
65                           uint64_t *buid, hwaddr *pio,
66                           hwaddr *mmio32, hwaddr *mmio64,
67                           unsigned n_dma, uint32_t *liobns, Error **errp);
68     sPAPRResizeHPT resize_hpt_default;
69 };
70 
71 /**
72  * sPAPRMachineState:
73  */
74 struct sPAPRMachineState {
75     /*< private >*/
76     MachineState parent_obj;
77 
78     struct VIOsPAPRBus *vio_bus;
79     QLIST_HEAD(, sPAPRPHBState) phbs;
80     struct sPAPRNVRAM *nvram;
81     ICSState *ics;
82     sPAPRRTCState rtc;
83 
84     sPAPRResizeHPT resize_hpt;
85     void *htab;
86     uint32_t htab_shift;
87     uint64_t patb_entry; /* Process tbl registed in H_REGISTER_PROCESS_TABLE */
88     sPAPRPendingHPT *pending_hpt; /* in-progress resize */
89 
90     hwaddr rma_size;
91     int vrma_adjust;
92     ssize_t rtas_size;
93     void *rtas_blob;
94     long kernel_size;
95     bool kernel_le;
96     uint32_t initrd_base;
97     long initrd_size;
98     uint64_t rtc_offset; /* Now used only during incoming migration */
99     struct PPCTimebase tb;
100     bool has_graphics;
101     uint32_t vsmt;       /* Virtual SMT mode (KVM's "core stride") */
102 
103     Notifier epow_notifier;
104     QTAILQ_HEAD(, sPAPREventLogEntry) pending_events;
105     bool use_hotplug_event_source;
106     sPAPREventSource *event_sources;
107 
108     /* ibm,client-architecture-support option negotiation */
109     bool cas_reboot;
110     bool cas_legacy_guest_workaround;
111     sPAPROptionVector *ov5;         /* QEMU-supported option vectors */
112     sPAPROptionVector *ov5_cas;     /* negotiated (via CAS) option vectors */
113     uint32_t max_compat_pvr;
114 
115     /* Migration state */
116     int htab_save_index;
117     bool htab_first_pass;
118     int htab_fd;
119 
120     /* Pending DIMM unplug cache. It is populated when a LMB
121      * unplug starts. It can be regenerated if a migration
122      * occurs during the unplug process. */
123     QTAILQ_HEAD(, sPAPRDIMMState) pending_dimm_unplugs;
124 
125     /*< public >*/
126     char *kvm_type;
127     MemoryHotplugState hotplug_memory;
128 
129     const char *icp_type;
130 };
131 
132 #define H_SUCCESS         0
133 #define H_BUSY            1        /* Hardware busy -- retry later */
134 #define H_CLOSED          2        /* Resource closed */
135 #define H_NOT_AVAILABLE   3
136 #define H_CONSTRAINED     4        /* Resource request constrained to max allowed */
137 #define H_PARTIAL         5
138 #define H_IN_PROGRESS     14       /* Kind of like busy */
139 #define H_PAGE_REGISTERED 15
140 #define H_PARTIAL_STORE   16
141 #define H_PENDING         17       /* returned from H_POLL_PENDING */
142 #define H_CONTINUE        18       /* Returned from H_Join on success */
143 #define H_LONG_BUSY_START_RANGE         9900  /* Start of long busy range */
144 #define H_LONG_BUSY_ORDER_1_MSEC        9900  /* Long busy, hint that 1msec \
145                                                  is a good time to retry */
146 #define H_LONG_BUSY_ORDER_10_MSEC       9901  /* Long busy, hint that 10msec \
147                                                  is a good time to retry */
148 #define H_LONG_BUSY_ORDER_100_MSEC      9902  /* Long busy, hint that 100msec \
149                                                  is a good time to retry */
150 #define H_LONG_BUSY_ORDER_1_SEC         9903  /* Long busy, hint that 1sec \
151                                                  is a good time to retry */
152 #define H_LONG_BUSY_ORDER_10_SEC        9904  /* Long busy, hint that 10sec \
153                                                  is a good time to retry */
154 #define H_LONG_BUSY_ORDER_100_SEC       9905  /* Long busy, hint that 100sec \
155                                                  is a good time to retry */
156 #define H_LONG_BUSY_END_RANGE           9905  /* End of long busy range */
157 #define H_HARDWARE        -1       /* Hardware error */
158 #define H_FUNCTION        -2       /* Function not supported */
159 #define H_PRIVILEGE       -3       /* Caller not privileged */
160 #define H_PARAMETER       -4       /* Parameter invalid, out-of-range or conflicting */
161 #define H_BAD_MODE        -5       /* Illegal msr value */
162 #define H_PTEG_FULL       -6       /* PTEG is full */
163 #define H_NOT_FOUND       -7       /* PTE was not found" */
164 #define H_RESERVED_DABR   -8       /* DABR address is reserved by the hypervisor on this processor" */
165 #define H_NO_MEM          -9
166 #define H_AUTHORITY       -10
167 #define H_PERMISSION      -11
168 #define H_DROPPED         -12
169 #define H_SOURCE_PARM     -13
170 #define H_DEST_PARM       -14
171 #define H_REMOTE_PARM     -15
172 #define H_RESOURCE        -16
173 #define H_ADAPTER_PARM    -17
174 #define H_RH_PARM         -18
175 #define H_RCQ_PARM        -19
176 #define H_SCQ_PARM        -20
177 #define H_EQ_PARM         -21
178 #define H_RT_PARM         -22
179 #define H_ST_PARM         -23
180 #define H_SIGT_PARM       -24
181 #define H_TOKEN_PARM      -25
182 #define H_MLENGTH_PARM    -27
183 #define H_MEM_PARM        -28
184 #define H_MEM_ACCESS_PARM -29
185 #define H_ATTR_PARM       -30
186 #define H_PORT_PARM       -31
187 #define H_MCG_PARM        -32
188 #define H_VL_PARM         -33
189 #define H_TSIZE_PARM      -34
190 #define H_TRACE_PARM      -35
191 
192 #define H_MASK_PARM       -37
193 #define H_MCG_FULL        -38
194 #define H_ALIAS_EXIST     -39
195 #define H_P_COUNTER       -40
196 #define H_TABLE_FULL      -41
197 #define H_ALT_TABLE       -42
198 #define H_MR_CONDITION    -43
199 #define H_NOT_ENOUGH_RESOURCES -44
200 #define H_R_STATE         -45
201 #define H_RESCINDEND      -46
202 #define H_P2              -55
203 #define H_P3              -56
204 #define H_P4              -57
205 #define H_P5              -58
206 #define H_P6              -59
207 #define H_P7              -60
208 #define H_P8              -61
209 #define H_P9              -62
210 #define H_UNSUPPORTED_FLAG -256
211 #define H_MULTI_THREADS_ACTIVE -9005
212 
213 
214 /* Long Busy is a condition that can be returned by the firmware
215  * when a call cannot be completed now, but the identical call
216  * should be retried later.  This prevents calls blocking in the
217  * firmware for long periods of time.  Annoyingly the firmware can return
218  * a range of return codes, hinting at how long we should wait before
219  * retrying.  If you don't care for the hint, the macro below is a good
220  * way to check for the long_busy return codes
221  */
222 #define H_IS_LONG_BUSY(x)  ((x >= H_LONG_BUSY_START_RANGE) \
223                             && (x <= H_LONG_BUSY_END_RANGE))
224 
225 /* Flags */
226 #define H_LARGE_PAGE      (1ULL<<(63-16))
227 #define H_EXACT           (1ULL<<(63-24))       /* Use exact PTE or return H_PTEG_FULL */
228 #define H_R_XLATE         (1ULL<<(63-25))       /* include a valid logical page num in the pte if the valid bit is set */
229 #define H_READ_4          (1ULL<<(63-26))       /* Return 4 PTEs */
230 #define H_PAGE_STATE_CHANGE (1ULL<<(63-28))
231 #define H_PAGE_UNUSED     ((1ULL<<(63-29)) | (1ULL<<(63-30)))
232 #define H_PAGE_SET_UNUSED (H_PAGE_STATE_CHANGE | H_PAGE_UNUSED)
233 #define H_PAGE_SET_LOANED (H_PAGE_SET_UNUSED | (1ULL<<(63-31)))
234 #define H_PAGE_SET_ACTIVE H_PAGE_STATE_CHANGE
235 #define H_AVPN            (1ULL<<(63-32))       /* An avpn is provided as a sanity test */
236 #define H_ANDCOND         (1ULL<<(63-33))
237 #define H_ICACHE_INVALIDATE (1ULL<<(63-40))     /* icbi, etc.  (ignored for IO pages) */
238 #define H_ICACHE_SYNCHRONIZE (1ULL<<(63-41))    /* dcbst, icbi, etc (ignored for IO pages */
239 #define H_ZERO_PAGE       (1ULL<<(63-48))       /* zero the page before mapping (ignored for IO pages) */
240 #define H_COPY_PAGE       (1ULL<<(63-49))
241 #define H_N               (1ULL<<(63-61))
242 #define H_PP1             (1ULL<<(63-62))
243 #define H_PP2             (1ULL<<(63-63))
244 
245 /* Values for 2nd argument to H_SET_MODE */
246 #define H_SET_MODE_RESOURCE_SET_CIABR           1
247 #define H_SET_MODE_RESOURCE_SET_DAWR            2
248 #define H_SET_MODE_RESOURCE_ADDR_TRANS_MODE     3
249 #define H_SET_MODE_RESOURCE_LE                  4
250 
251 /* Flags for H_SET_MODE_RESOURCE_LE */
252 #define H_SET_MODE_ENDIAN_BIG    0
253 #define H_SET_MODE_ENDIAN_LITTLE 1
254 
255 /* VASI States */
256 #define H_VASI_INVALID    0
257 #define H_VASI_ENABLED    1
258 #define H_VASI_ABORTED    2
259 #define H_VASI_SUSPENDING 3
260 #define H_VASI_SUSPENDED  4
261 #define H_VASI_RESUMED    5
262 #define H_VASI_COMPLETED  6
263 
264 /* DABRX flags */
265 #define H_DABRX_HYPERVISOR (1ULL<<(63-61))
266 #define H_DABRX_KERNEL     (1ULL<<(63-62))
267 #define H_DABRX_USER       (1ULL<<(63-63))
268 
269 /* Each control block has to be on a 4K boundary */
270 #define H_CB_ALIGNMENT     4096
271 
272 /* pSeries hypervisor opcodes */
273 #define H_REMOVE                0x04
274 #define H_ENTER                 0x08
275 #define H_READ                  0x0c
276 #define H_CLEAR_MOD             0x10
277 #define H_CLEAR_REF             0x14
278 #define H_PROTECT               0x18
279 #define H_GET_TCE               0x1c
280 #define H_PUT_TCE               0x20
281 #define H_SET_SPRG0             0x24
282 #define H_SET_DABR              0x28
283 #define H_PAGE_INIT             0x2c
284 #define H_SET_ASR               0x30
285 #define H_ASR_ON                0x34
286 #define H_ASR_OFF               0x38
287 #define H_LOGICAL_CI_LOAD       0x3c
288 #define H_LOGICAL_CI_STORE      0x40
289 #define H_LOGICAL_CACHE_LOAD    0x44
290 #define H_LOGICAL_CACHE_STORE   0x48
291 #define H_LOGICAL_ICBI          0x4c
292 #define H_LOGICAL_DCBF          0x50
293 #define H_GET_TERM_CHAR         0x54
294 #define H_PUT_TERM_CHAR         0x58
295 #define H_REAL_TO_LOGICAL       0x5c
296 #define H_HYPERVISOR_DATA       0x60
297 #define H_EOI                   0x64
298 #define H_CPPR                  0x68
299 #define H_IPI                   0x6c
300 #define H_IPOLL                 0x70
301 #define H_XIRR                  0x74
302 #define H_PERFMON               0x7c
303 #define H_MIGRATE_DMA           0x78
304 #define H_REGISTER_VPA          0xDC
305 #define H_CEDE                  0xE0
306 #define H_CONFER                0xE4
307 #define H_PROD                  0xE8
308 #define H_GET_PPP               0xEC
309 #define H_SET_PPP               0xF0
310 #define H_PURR                  0xF4
311 #define H_PIC                   0xF8
312 #define H_REG_CRQ               0xFC
313 #define H_FREE_CRQ              0x100
314 #define H_VIO_SIGNAL            0x104
315 #define H_SEND_CRQ              0x108
316 #define H_COPY_RDMA             0x110
317 #define H_REGISTER_LOGICAL_LAN  0x114
318 #define H_FREE_LOGICAL_LAN      0x118
319 #define H_ADD_LOGICAL_LAN_BUFFER 0x11C
320 #define H_SEND_LOGICAL_LAN      0x120
321 #define H_BULK_REMOVE           0x124
322 #define H_MULTICAST_CTRL        0x130
323 #define H_SET_XDABR             0x134
324 #define H_STUFF_TCE             0x138
325 #define H_PUT_TCE_INDIRECT      0x13C
326 #define H_CHANGE_LOGICAL_LAN_MAC 0x14C
327 #define H_VTERM_PARTNER_INFO    0x150
328 #define H_REGISTER_VTERM        0x154
329 #define H_FREE_VTERM            0x158
330 #define H_RESET_EVENTS          0x15C
331 #define H_ALLOC_RESOURCE        0x160
332 #define H_FREE_RESOURCE         0x164
333 #define H_MODIFY_QP             0x168
334 #define H_QUERY_QP              0x16C
335 #define H_REREGISTER_PMR        0x170
336 #define H_REGISTER_SMR          0x174
337 #define H_QUERY_MR              0x178
338 #define H_QUERY_MW              0x17C
339 #define H_QUERY_HCA             0x180
340 #define H_QUERY_PORT            0x184
341 #define H_MODIFY_PORT           0x188
342 #define H_DEFINE_AQP1           0x18C
343 #define H_GET_TRACE_BUFFER      0x190
344 #define H_DEFINE_AQP0           0x194
345 #define H_RESIZE_MR             0x198
346 #define H_ATTACH_MCQP           0x19C
347 #define H_DETACH_MCQP           0x1A0
348 #define H_CREATE_RPT            0x1A4
349 #define H_REMOVE_RPT            0x1A8
350 #define H_REGISTER_RPAGES       0x1AC
351 #define H_DISABLE_AND_GETC      0x1B0
352 #define H_ERROR_DATA            0x1B4
353 #define H_GET_HCA_INFO          0x1B8
354 #define H_GET_PERF_COUNT        0x1BC
355 #define H_MANAGE_TRACE          0x1C0
356 #define H_FREE_LOGICAL_LAN_BUFFER 0x1D4
357 #define H_QUERY_INT_STATE       0x1E4
358 #define H_POLL_PENDING          0x1D8
359 #define H_ILLAN_ATTRIBUTES      0x244
360 #define H_MODIFY_HEA_QP         0x250
361 #define H_QUERY_HEA_QP          0x254
362 #define H_QUERY_HEA             0x258
363 #define H_QUERY_HEA_PORT        0x25C
364 #define H_MODIFY_HEA_PORT       0x260
365 #define H_REG_BCMC              0x264
366 #define H_DEREG_BCMC            0x268
367 #define H_REGISTER_HEA_RPAGES   0x26C
368 #define H_DISABLE_AND_GET_HEA   0x270
369 #define H_GET_HEA_INFO          0x274
370 #define H_ALLOC_HEA_RESOURCE    0x278
371 #define H_ADD_CONN              0x284
372 #define H_DEL_CONN              0x288
373 #define H_JOIN                  0x298
374 #define H_VASI_STATE            0x2A4
375 #define H_ENABLE_CRQ            0x2B0
376 #define H_GET_EM_PARMS          0x2B8
377 #define H_SET_MPP               0x2D0
378 #define H_GET_MPP               0x2D4
379 #define H_XIRR_X                0x2FC
380 #define H_RANDOM                0x300
381 #define H_SET_MODE              0x31C
382 #define H_RESIZE_HPT_PREPARE    0x36C
383 #define H_RESIZE_HPT_COMMIT     0x370
384 #define H_CLEAN_SLB             0x374
385 #define H_INVALIDATE_PID        0x378
386 #define H_REGISTER_PROC_TBL     0x37C
387 #define H_SIGNAL_SYS_RESET      0x380
388 #define MAX_HCALL_OPCODE        H_SIGNAL_SYS_RESET
389 
390 /* The hcalls above are standardized in PAPR and implemented by pHyp
391  * as well.
392  *
393  * We also need some hcalls which are specific to qemu / KVM-on-POWER.
394  * We put those into the 0xf000-0xfffc range which is reserved by PAPR
395  * for "platform-specific" hcalls.
396  */
397 #define KVMPPC_HCALL_BASE       0xf000
398 #define KVMPPC_H_RTAS           (KVMPPC_HCALL_BASE + 0x0)
399 #define KVMPPC_H_LOGICAL_MEMOP  (KVMPPC_HCALL_BASE + 0x1)
400 /* Client Architecture support */
401 #define KVMPPC_H_CAS            (KVMPPC_HCALL_BASE + 0x2)
402 #define KVMPPC_HCALL_MAX        KVMPPC_H_CAS
403 
404 typedef struct sPAPRDeviceTreeUpdateHeader {
405     uint32_t version_id;
406 } sPAPRDeviceTreeUpdateHeader;
407 
408 #define hcall_dprintf(fmt, ...) \
409     do { \
410         qemu_log_mask(LOG_GUEST_ERROR, "%s: " fmt, __func__, ## __VA_ARGS__); \
411     } while (0)
412 
413 typedef target_ulong (*spapr_hcall_fn)(PowerPCCPU *cpu, sPAPRMachineState *sm,
414                                        target_ulong opcode,
415                                        target_ulong *args);
416 
417 void spapr_register_hypercall(target_ulong opcode, spapr_hcall_fn fn);
418 target_ulong spapr_hypercall(PowerPCCPU *cpu, target_ulong opcode,
419                              target_ulong *args);
420 
421 /* ibm,set-eeh-option */
422 #define RTAS_EEH_DISABLE                 0
423 #define RTAS_EEH_ENABLE                  1
424 #define RTAS_EEH_THAW_IO                 2
425 #define RTAS_EEH_THAW_DMA                3
426 
427 /* ibm,get-config-addr-info2 */
428 #define RTAS_GET_PE_ADDR                 0
429 #define RTAS_GET_PE_MODE                 1
430 #define RTAS_PE_MODE_NONE                0
431 #define RTAS_PE_MODE_NOT_SHARED          1
432 #define RTAS_PE_MODE_SHARED              2
433 
434 /* ibm,read-slot-reset-state2 */
435 #define RTAS_EEH_PE_STATE_NORMAL         0
436 #define RTAS_EEH_PE_STATE_RESET          1
437 #define RTAS_EEH_PE_STATE_STOPPED_IO_DMA 2
438 #define RTAS_EEH_PE_STATE_STOPPED_DMA    4
439 #define RTAS_EEH_PE_STATE_UNAVAIL        5
440 #define RTAS_EEH_NOT_SUPPORT             0
441 #define RTAS_EEH_SUPPORT                 1
442 #define RTAS_EEH_PE_UNAVAIL_INFO         1000
443 #define RTAS_EEH_PE_RECOVER_INFO         0
444 
445 /* ibm,set-slot-reset */
446 #define RTAS_SLOT_RESET_DEACTIVATE       0
447 #define RTAS_SLOT_RESET_HOT              1
448 #define RTAS_SLOT_RESET_FUNDAMENTAL      3
449 
450 /* ibm,slot-error-detail */
451 #define RTAS_SLOT_TEMP_ERR_LOG           1
452 #define RTAS_SLOT_PERM_ERR_LOG           2
453 
454 /* RTAS return codes */
455 #define RTAS_OUT_SUCCESS                        0
456 #define RTAS_OUT_NO_ERRORS_FOUND                1
457 #define RTAS_OUT_HW_ERROR                       -1
458 #define RTAS_OUT_BUSY                           -2
459 #define RTAS_OUT_PARAM_ERROR                    -3
460 #define RTAS_OUT_NOT_SUPPORTED                  -3
461 #define RTAS_OUT_NO_SUCH_INDICATOR              -3
462 #define RTAS_OUT_NOT_AUTHORIZED                 -9002
463 #define RTAS_OUT_SYSPARM_PARAM_ERROR            -9999
464 
465 /* DDW pagesize mask values from ibm,query-pe-dma-window */
466 #define RTAS_DDW_PGSIZE_4K       0x01
467 #define RTAS_DDW_PGSIZE_64K      0x02
468 #define RTAS_DDW_PGSIZE_16M      0x04
469 #define RTAS_DDW_PGSIZE_32M      0x08
470 #define RTAS_DDW_PGSIZE_64M      0x10
471 #define RTAS_DDW_PGSIZE_128M     0x20
472 #define RTAS_DDW_PGSIZE_256M     0x40
473 #define RTAS_DDW_PGSIZE_16G      0x80
474 
475 /* RTAS tokens */
476 #define RTAS_TOKEN_BASE      0x2000
477 
478 #define RTAS_DISPLAY_CHARACTER                  (RTAS_TOKEN_BASE + 0x00)
479 #define RTAS_GET_TIME_OF_DAY                    (RTAS_TOKEN_BASE + 0x01)
480 #define RTAS_SET_TIME_OF_DAY                    (RTAS_TOKEN_BASE + 0x02)
481 #define RTAS_POWER_OFF                          (RTAS_TOKEN_BASE + 0x03)
482 #define RTAS_SYSTEM_REBOOT                      (RTAS_TOKEN_BASE + 0x04)
483 #define RTAS_QUERY_CPU_STOPPED_STATE            (RTAS_TOKEN_BASE + 0x05)
484 #define RTAS_START_CPU                          (RTAS_TOKEN_BASE + 0x06)
485 #define RTAS_STOP_SELF                          (RTAS_TOKEN_BASE + 0x07)
486 #define RTAS_IBM_GET_SYSTEM_PARAMETER           (RTAS_TOKEN_BASE + 0x08)
487 #define RTAS_IBM_SET_SYSTEM_PARAMETER           (RTAS_TOKEN_BASE + 0x09)
488 #define RTAS_IBM_SET_XIVE                       (RTAS_TOKEN_BASE + 0x0A)
489 #define RTAS_IBM_GET_XIVE                       (RTAS_TOKEN_BASE + 0x0B)
490 #define RTAS_IBM_INT_OFF                        (RTAS_TOKEN_BASE + 0x0C)
491 #define RTAS_IBM_INT_ON                         (RTAS_TOKEN_BASE + 0x0D)
492 #define RTAS_CHECK_EXCEPTION                    (RTAS_TOKEN_BASE + 0x0E)
493 #define RTAS_EVENT_SCAN                         (RTAS_TOKEN_BASE + 0x0F)
494 #define RTAS_IBM_SET_TCE_BYPASS                 (RTAS_TOKEN_BASE + 0x10)
495 #define RTAS_QUIESCE                            (RTAS_TOKEN_BASE + 0x11)
496 #define RTAS_NVRAM_FETCH                        (RTAS_TOKEN_BASE + 0x12)
497 #define RTAS_NVRAM_STORE                        (RTAS_TOKEN_BASE + 0x13)
498 #define RTAS_READ_PCI_CONFIG                    (RTAS_TOKEN_BASE + 0x14)
499 #define RTAS_WRITE_PCI_CONFIG                   (RTAS_TOKEN_BASE + 0x15)
500 #define RTAS_IBM_READ_PCI_CONFIG                (RTAS_TOKEN_BASE + 0x16)
501 #define RTAS_IBM_WRITE_PCI_CONFIG               (RTAS_TOKEN_BASE + 0x17)
502 #define RTAS_IBM_QUERY_INTERRUPT_SOURCE_NUMBER  (RTAS_TOKEN_BASE + 0x18)
503 #define RTAS_IBM_CHANGE_MSI                     (RTAS_TOKEN_BASE + 0x19)
504 #define RTAS_SET_INDICATOR                      (RTAS_TOKEN_BASE + 0x1A)
505 #define RTAS_SET_POWER_LEVEL                    (RTAS_TOKEN_BASE + 0x1B)
506 #define RTAS_GET_POWER_LEVEL                    (RTAS_TOKEN_BASE + 0x1C)
507 #define RTAS_GET_SENSOR_STATE                   (RTAS_TOKEN_BASE + 0x1D)
508 #define RTAS_IBM_CONFIGURE_CONNECTOR            (RTAS_TOKEN_BASE + 0x1E)
509 #define RTAS_IBM_OS_TERM                        (RTAS_TOKEN_BASE + 0x1F)
510 #define RTAS_IBM_SET_EEH_OPTION                 (RTAS_TOKEN_BASE + 0x20)
511 #define RTAS_IBM_GET_CONFIG_ADDR_INFO2          (RTAS_TOKEN_BASE + 0x21)
512 #define RTAS_IBM_READ_SLOT_RESET_STATE2         (RTAS_TOKEN_BASE + 0x22)
513 #define RTAS_IBM_SET_SLOT_RESET                 (RTAS_TOKEN_BASE + 0x23)
514 #define RTAS_IBM_CONFIGURE_PE                   (RTAS_TOKEN_BASE + 0x24)
515 #define RTAS_IBM_SLOT_ERROR_DETAIL              (RTAS_TOKEN_BASE + 0x25)
516 #define RTAS_IBM_QUERY_PE_DMA_WINDOW            (RTAS_TOKEN_BASE + 0x26)
517 #define RTAS_IBM_CREATE_PE_DMA_WINDOW           (RTAS_TOKEN_BASE + 0x27)
518 #define RTAS_IBM_REMOVE_PE_DMA_WINDOW           (RTAS_TOKEN_BASE + 0x28)
519 #define RTAS_IBM_RESET_PE_DMA_WINDOW            (RTAS_TOKEN_BASE + 0x29)
520 
521 #define RTAS_TOKEN_MAX                          (RTAS_TOKEN_BASE + 0x2A)
522 
523 /* RTAS ibm,get-system-parameter token values */
524 #define RTAS_SYSPARM_SPLPAR_CHARACTERISTICS      20
525 #define RTAS_SYSPARM_DIAGNOSTICS_RUN_MODE        42
526 #define RTAS_SYSPARM_UUID                        48
527 
528 /* RTAS indicator/sensor types
529  *
530  * as defined by PAPR+ 2.7 7.3.5.4, Table 41
531  *
532  * NOTE: currently only DR-related sensors are implemented here
533  */
534 #define RTAS_SENSOR_TYPE_ISOLATION_STATE        9001
535 #define RTAS_SENSOR_TYPE_DR                     9002
536 #define RTAS_SENSOR_TYPE_ALLOCATION_STATE       9003
537 #define RTAS_SENSOR_TYPE_ENTITY_SENSE RTAS_SENSOR_TYPE_ALLOCATION_STATE
538 
539 /* Possible values for the platform-processor-diagnostics-run-mode parameter
540  * of the RTAS ibm,get-system-parameter call.
541  */
542 #define DIAGNOSTICS_RUN_MODE_DISABLED  0
543 #define DIAGNOSTICS_RUN_MODE_STAGGERED 1
544 #define DIAGNOSTICS_RUN_MODE_IMMEDIATE 2
545 #define DIAGNOSTICS_RUN_MODE_PERIODIC  3
546 
547 static inline uint64_t ppc64_phys_to_real(uint64_t addr)
548 {
549     return addr & ~0xF000000000000000ULL;
550 }
551 
552 static inline uint32_t rtas_ld(target_ulong phys, int n)
553 {
554     return ldl_be_phys(&address_space_memory, ppc64_phys_to_real(phys + 4*n));
555 }
556 
557 static inline uint64_t rtas_ldq(target_ulong phys, int n)
558 {
559     return (uint64_t)rtas_ld(phys, n) << 32 | rtas_ld(phys, n + 1);
560 }
561 
562 static inline void rtas_st(target_ulong phys, int n, uint32_t val)
563 {
564     stl_be_phys(&address_space_memory, ppc64_phys_to_real(phys + 4*n), val);
565 }
566 
567 typedef void (*spapr_rtas_fn)(PowerPCCPU *cpu, sPAPRMachineState *sm,
568                               uint32_t token,
569                               uint32_t nargs, target_ulong args,
570                               uint32_t nret, target_ulong rets);
571 void spapr_rtas_register(int token, const char *name, spapr_rtas_fn fn);
572 target_ulong spapr_rtas_call(PowerPCCPU *cpu, sPAPRMachineState *sm,
573                              uint32_t token, uint32_t nargs, target_ulong args,
574                              uint32_t nret, target_ulong rets);
575 void spapr_dt_rtas_tokens(void *fdt, int rtas);
576 void spapr_load_rtas(sPAPRMachineState *spapr, void *fdt, hwaddr addr);
577 
578 #define SPAPR_TCE_PAGE_SHIFT   12
579 #define SPAPR_TCE_PAGE_SIZE    (1ULL << SPAPR_TCE_PAGE_SHIFT)
580 #define SPAPR_TCE_PAGE_MASK    (SPAPR_TCE_PAGE_SIZE - 1)
581 
582 #define SPAPR_VIO_BASE_LIOBN    0x00000000
583 #define SPAPR_VIO_LIOBN(reg)    (0x00000000 | (reg))
584 #define SPAPR_PCI_LIOBN(phb_index, window_num) \
585     (0x80000000 | ((phb_index) << 8) | (window_num))
586 #define SPAPR_IS_PCI_LIOBN(liobn)   (!!((liobn) & 0x80000000))
587 #define SPAPR_PCI_DMA_WINDOW_NUM(liobn) ((liobn) & 0xff)
588 
589 #define RTAS_ERROR_LOG_MAX      2048
590 
591 #define RTAS_EVENT_SCAN_RATE    1
592 
593 typedef struct sPAPRTCETable sPAPRTCETable;
594 
595 #define TYPE_SPAPR_TCE_TABLE "spapr-tce-table"
596 #define SPAPR_TCE_TABLE(obj) \
597     OBJECT_CHECK(sPAPRTCETable, (obj), TYPE_SPAPR_TCE_TABLE)
598 
599 #define TYPE_SPAPR_IOMMU_MEMORY_REGION "spapr-iommu-memory-region"
600 #define SPAPR_IOMMU_MEMORY_REGION(obj) \
601         OBJECT_CHECK(IOMMUMemoryRegion, (obj), TYPE_SPAPR_IOMMU_MEMORY_REGION)
602 
603 struct sPAPRTCETable {
604     DeviceState parent;
605     uint32_t liobn;
606     uint32_t nb_table;
607     uint64_t bus_offset;
608     uint32_t page_shift;
609     uint64_t *table;
610     uint32_t mig_nb_table;
611     uint64_t *mig_table;
612     bool bypass;
613     bool need_vfio;
614     int fd;
615     MemoryRegion root;
616     IOMMUMemoryRegion iommu;
617     struct VIOsPAPRDevice *vdev; /* for @bypass migration compatibility only */
618     QLIST_ENTRY(sPAPRTCETable) list;
619 };
620 
621 sPAPRTCETable *spapr_tce_find_by_liobn(target_ulong liobn);
622 
623 struct sPAPREventLogEntry {
624     uint32_t summary;
625     uint32_t extended_length;
626     void *extended_log;
627     QTAILQ_ENTRY(sPAPREventLogEntry) next;
628 };
629 
630 void spapr_events_init(sPAPRMachineState *sm);
631 void spapr_dt_events(sPAPRMachineState *sm, void *fdt);
632 int spapr_h_cas_compose_response(sPAPRMachineState *sm,
633                                  target_ulong addr, target_ulong size,
634                                  sPAPROptionVector *ov5_updates);
635 void close_htab_fd(sPAPRMachineState *spapr);
636 void spapr_setup_hpt_and_vrma(sPAPRMachineState *spapr);
637 void spapr_free_hpt(sPAPRMachineState *spapr);
638 sPAPRTCETable *spapr_tce_new_table(DeviceState *owner, uint32_t liobn);
639 void spapr_tce_table_enable(sPAPRTCETable *tcet,
640                             uint32_t page_shift, uint64_t bus_offset,
641                             uint32_t nb_table);
642 void spapr_tce_table_disable(sPAPRTCETable *tcet);
643 void spapr_tce_set_need_vfio(sPAPRTCETable *tcet, bool need_vfio);
644 
645 MemoryRegion *spapr_tce_get_iommu(sPAPRTCETable *tcet);
646 int spapr_dma_dt(void *fdt, int node_off, const char *propname,
647                  uint32_t liobn, uint64_t window, uint32_t size);
648 int spapr_tcet_dma_dt(void *fdt, int node_off, const char *propname,
649                       sPAPRTCETable *tcet);
650 void spapr_pci_switch_vga(bool big_endian);
651 void spapr_hotplug_req_add_by_index(sPAPRDRConnector *drc);
652 void spapr_hotplug_req_remove_by_index(sPAPRDRConnector *drc);
653 void spapr_hotplug_req_add_by_count(sPAPRDRConnectorType drc_type,
654                                        uint32_t count);
655 void spapr_hotplug_req_remove_by_count(sPAPRDRConnectorType drc_type,
656                                           uint32_t count);
657 void spapr_hotplug_req_add_by_count_indexed(sPAPRDRConnectorType drc_type,
658                                             uint32_t count, uint32_t index);
659 void spapr_hotplug_req_remove_by_count_indexed(sPAPRDRConnectorType drc_type,
660                                                uint32_t count, uint32_t index);
661 int spapr_hpt_shift_for_ramsize(uint64_t ramsize);
662 void spapr_reallocate_hpt(sPAPRMachineState *spapr, int shift,
663                           Error **errp);
664 void spapr_clear_pending_events(sPAPRMachineState *spapr);
665 
666 /* CPU and LMB DRC release callbacks. */
667 void spapr_core_release(DeviceState *dev);
668 void spapr_lmb_release(DeviceState *dev);
669 
670 void spapr_rtc_read(sPAPRRTCState *rtc, struct tm *tm, uint32_t *ns);
671 int spapr_rtc_import_offset(sPAPRRTCState *rtc, int64_t legacy_offset);
672 
673 #define TYPE_SPAPR_RNG "spapr-rng"
674 
675 int spapr_rng_populate_dt(void *fdt);
676 
677 #define SPAPR_MEMORY_BLOCK_SIZE (1 << 28) /* 256MB */
678 
679 /*
680  * This defines the maximum number of DIMM slots we can have for sPAPR
681  * guest. This is not defined by sPAPR but we are defining it to 32 slots
682  * based on default number of slots provided by PowerPC kernel.
683  */
684 #define SPAPR_MAX_RAM_SLOTS     32
685 
686 /* 1GB alignment for hotplug memory region */
687 #define SPAPR_HOTPLUG_MEM_ALIGN (1ULL << 30)
688 
689 /*
690  * Number of 32 bit words in each LMB list entry in ibm,dynamic-memory
691  * property under ibm,dynamic-reconfiguration-memory node.
692  */
693 #define SPAPR_DR_LMB_LIST_ENTRY_SIZE 6
694 
695 /*
696  * Defines for flag value in ibm,dynamic-memory property under
697  * ibm,dynamic-reconfiguration-memory node.
698  */
699 #define SPAPR_LMB_FLAGS_ASSIGNED 0x00000008
700 #define SPAPR_LMB_FLAGS_DRC_INVALID 0x00000020
701 #define SPAPR_LMB_FLAGS_RESERVED 0x00000080
702 
703 void spapr_do_system_reset_on_cpu(CPUState *cs, run_on_cpu_data arg);
704 
705 #define HTAB_SIZE(spapr)        (1ULL << ((spapr)->htab_shift))
706 
707 int spapr_vcpu_id(PowerPCCPU *cpu);
708 PowerPCCPU *spapr_find_cpu(int vcpu_id);
709 
710 #endif /* HW_SPAPR_H */
711