xref: /openbmc/qemu/include/hw/ppc/spapr.h (revision bc5c4f21)
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 sPAPRConfigureConnectorState sPAPRConfigureConnectorState;
15 typedef struct sPAPREventLogEntry sPAPREventLogEntry;
16 typedef struct sPAPREventSource sPAPREventSource;
17 
18 #define HPTE64_V_HPTE_DIRTY     0x0000000000000040ULL
19 #define SPAPR_ENTRY_POINT       0x100
20 
21 #define SPAPR_TIMEBASE_FREQ     512000000ULL
22 
23 typedef struct sPAPRMachineClass sPAPRMachineClass;
24 typedef struct sPAPRMachineState sPAPRMachineState;
25 
26 #define TYPE_SPAPR_MACHINE      "spapr-machine"
27 #define SPAPR_MACHINE(obj) \
28     OBJECT_CHECK(sPAPRMachineState, (obj), TYPE_SPAPR_MACHINE)
29 #define SPAPR_MACHINE_GET_CLASS(obj) \
30     OBJECT_GET_CLASS(sPAPRMachineClass, obj, TYPE_SPAPR_MACHINE)
31 #define SPAPR_MACHINE_CLASS(klass) \
32     OBJECT_CLASS_CHECK(sPAPRMachineClass, klass, TYPE_SPAPR_MACHINE)
33 
34 /**
35  * sPAPRMachineClass:
36  */
37 struct sPAPRMachineClass {
38     /*< private >*/
39     MachineClass parent_class;
40 
41     /*< public >*/
42     bool dr_lmb_enabled;       /* enable dynamic-reconfig/hotplug of LMBs */
43     bool use_ohci_by_default;  /* use USB-OHCI instead of XHCI */
44     const char *tcg_default_cpu; /* which (TCG) CPU to simulate by default */
45     void (*phb_placement)(sPAPRMachineState *spapr, uint32_t index,
46                           uint64_t *buid, hwaddr *pio,
47                           hwaddr *mmio32, hwaddr *mmio64,
48                           unsigned n_dma, uint32_t *liobns, Error **errp);
49 };
50 
51 /**
52  * sPAPRMachineState:
53  */
54 struct sPAPRMachineState {
55     /*< private >*/
56     MachineState parent_obj;
57 
58     struct VIOsPAPRBus *vio_bus;
59     QLIST_HEAD(, sPAPRPHBState) phbs;
60     struct sPAPRNVRAM *nvram;
61     XICSState *xics;
62     DeviceState *rtc;
63 
64     void *htab;
65     uint32_t htab_shift;
66     hwaddr rma_size;
67     int vrma_adjust;
68     ssize_t rtas_size;
69     void *rtas_blob;
70     long kernel_size;
71     bool kernel_le;
72     uint32_t initrd_base;
73     long initrd_size;
74     uint64_t rtc_offset; /* Now used only during incoming migration */
75     struct PPCTimebase tb;
76     bool has_graphics;
77     sPAPROptionVector *ov5;         /* QEMU-supported option vectors */
78     sPAPROptionVector *ov5_cas;     /* negotiated (via CAS) option vectors */
79     bool cas_reboot;
80 
81     Notifier epow_notifier;
82     QTAILQ_HEAD(, sPAPREventLogEntry) pending_events;
83     bool use_hotplug_event_source;
84     sPAPREventSource *event_sources;
85 
86     /* Migration state */
87     int htab_save_index;
88     bool htab_first_pass;
89     int htab_fd;
90 
91     /* RTAS state */
92     QTAILQ_HEAD(, sPAPRConfigureConnectorState) ccs_list;
93 
94     /*< public >*/
95     char *kvm_type;
96     MemoryHotplugState hotplug_memory;
97     Object **cores;
98 };
99 
100 #define H_SUCCESS         0
101 #define H_BUSY            1        /* Hardware busy -- retry later */
102 #define H_CLOSED          2        /* Resource closed */
103 #define H_NOT_AVAILABLE   3
104 #define H_CONSTRAINED     4        /* Resource request constrained to max allowed */
105 #define H_PARTIAL         5
106 #define H_IN_PROGRESS     14       /* Kind of like busy */
107 #define H_PAGE_REGISTERED 15
108 #define H_PARTIAL_STORE   16
109 #define H_PENDING         17       /* returned from H_POLL_PENDING */
110 #define H_CONTINUE        18       /* Returned from H_Join on success */
111 #define H_LONG_BUSY_START_RANGE         9900  /* Start of long busy range */
112 #define H_LONG_BUSY_ORDER_1_MSEC        9900  /* Long busy, hint that 1msec \
113                                                  is a good time to retry */
114 #define H_LONG_BUSY_ORDER_10_MSEC       9901  /* Long busy, hint that 10msec \
115                                                  is a good time to retry */
116 #define H_LONG_BUSY_ORDER_100_MSEC      9902  /* Long busy, hint that 100msec \
117                                                  is a good time to retry */
118 #define H_LONG_BUSY_ORDER_1_SEC         9903  /* Long busy, hint that 1sec \
119                                                  is a good time to retry */
120 #define H_LONG_BUSY_ORDER_10_SEC        9904  /* Long busy, hint that 10sec \
121                                                  is a good time to retry */
122 #define H_LONG_BUSY_ORDER_100_SEC       9905  /* Long busy, hint that 100sec \
123                                                  is a good time to retry */
124 #define H_LONG_BUSY_END_RANGE           9905  /* End of long busy range */
125 #define H_HARDWARE        -1       /* Hardware error */
126 #define H_FUNCTION        -2       /* Function not supported */
127 #define H_PRIVILEGE       -3       /* Caller not privileged */
128 #define H_PARAMETER       -4       /* Parameter invalid, out-of-range or conflicting */
129 #define H_BAD_MODE        -5       /* Illegal msr value */
130 #define H_PTEG_FULL       -6       /* PTEG is full */
131 #define H_NOT_FOUND       -7       /* PTE was not found" */
132 #define H_RESERVED_DABR   -8       /* DABR address is reserved by the hypervisor on this processor" */
133 #define H_NO_MEM          -9
134 #define H_AUTHORITY       -10
135 #define H_PERMISSION      -11
136 #define H_DROPPED         -12
137 #define H_SOURCE_PARM     -13
138 #define H_DEST_PARM       -14
139 #define H_REMOTE_PARM     -15
140 #define H_RESOURCE        -16
141 #define H_ADAPTER_PARM    -17
142 #define H_RH_PARM         -18
143 #define H_RCQ_PARM        -19
144 #define H_SCQ_PARM        -20
145 #define H_EQ_PARM         -21
146 #define H_RT_PARM         -22
147 #define H_ST_PARM         -23
148 #define H_SIGT_PARM       -24
149 #define H_TOKEN_PARM      -25
150 #define H_MLENGTH_PARM    -27
151 #define H_MEM_PARM        -28
152 #define H_MEM_ACCESS_PARM -29
153 #define H_ATTR_PARM       -30
154 #define H_PORT_PARM       -31
155 #define H_MCG_PARM        -32
156 #define H_VL_PARM         -33
157 #define H_TSIZE_PARM      -34
158 #define H_TRACE_PARM      -35
159 
160 #define H_MASK_PARM       -37
161 #define H_MCG_FULL        -38
162 #define H_ALIAS_EXIST     -39
163 #define H_P_COUNTER       -40
164 #define H_TABLE_FULL      -41
165 #define H_ALT_TABLE       -42
166 #define H_MR_CONDITION    -43
167 #define H_NOT_ENOUGH_RESOURCES -44
168 #define H_R_STATE         -45
169 #define H_RESCINDEND      -46
170 #define H_P2              -55
171 #define H_P3              -56
172 #define H_P4              -57
173 #define H_P5              -58
174 #define H_P6              -59
175 #define H_P7              -60
176 #define H_P8              -61
177 #define H_P9              -62
178 #define H_UNSUPPORTED_FLAG -256
179 #define H_MULTI_THREADS_ACTIVE -9005
180 
181 
182 /* Long Busy is a condition that can be returned by the firmware
183  * when a call cannot be completed now, but the identical call
184  * should be retried later.  This prevents calls blocking in the
185  * firmware for long periods of time.  Annoyingly the firmware can return
186  * a range of return codes, hinting at how long we should wait before
187  * retrying.  If you don't care for the hint, the macro below is a good
188  * way to check for the long_busy return codes
189  */
190 #define H_IS_LONG_BUSY(x)  ((x >= H_LONG_BUSY_START_RANGE) \
191                             && (x <= H_LONG_BUSY_END_RANGE))
192 
193 /* Flags */
194 #define H_LARGE_PAGE      (1ULL<<(63-16))
195 #define H_EXACT           (1ULL<<(63-24))       /* Use exact PTE or return H_PTEG_FULL */
196 #define H_R_XLATE         (1ULL<<(63-25))       /* include a valid logical page num in the pte if the valid bit is set */
197 #define H_READ_4          (1ULL<<(63-26))       /* Return 4 PTEs */
198 #define H_PAGE_STATE_CHANGE (1ULL<<(63-28))
199 #define H_PAGE_UNUSED     ((1ULL<<(63-29)) | (1ULL<<(63-30)))
200 #define H_PAGE_SET_UNUSED (H_PAGE_STATE_CHANGE | H_PAGE_UNUSED)
201 #define H_PAGE_SET_LOANED (H_PAGE_SET_UNUSED | (1ULL<<(63-31)))
202 #define H_PAGE_SET_ACTIVE H_PAGE_STATE_CHANGE
203 #define H_AVPN            (1ULL<<(63-32))       /* An avpn is provided as a sanity test */
204 #define H_ANDCOND         (1ULL<<(63-33))
205 #define H_ICACHE_INVALIDATE (1ULL<<(63-40))     /* icbi, etc.  (ignored for IO pages) */
206 #define H_ICACHE_SYNCHRONIZE (1ULL<<(63-41))    /* dcbst, icbi, etc (ignored for IO pages */
207 #define H_ZERO_PAGE       (1ULL<<(63-48))       /* zero the page before mapping (ignored for IO pages) */
208 #define H_COPY_PAGE       (1ULL<<(63-49))
209 #define H_N               (1ULL<<(63-61))
210 #define H_PP1             (1ULL<<(63-62))
211 #define H_PP2             (1ULL<<(63-63))
212 
213 /* Values for 2nd argument to H_SET_MODE */
214 #define H_SET_MODE_RESOURCE_SET_CIABR           1
215 #define H_SET_MODE_RESOURCE_SET_DAWR            2
216 #define H_SET_MODE_RESOURCE_ADDR_TRANS_MODE     3
217 #define H_SET_MODE_RESOURCE_LE                  4
218 
219 /* Flags for H_SET_MODE_RESOURCE_LE */
220 #define H_SET_MODE_ENDIAN_BIG    0
221 #define H_SET_MODE_ENDIAN_LITTLE 1
222 
223 /* VASI States */
224 #define H_VASI_INVALID    0
225 #define H_VASI_ENABLED    1
226 #define H_VASI_ABORTED    2
227 #define H_VASI_SUSPENDING 3
228 #define H_VASI_SUSPENDED  4
229 #define H_VASI_RESUMED    5
230 #define H_VASI_COMPLETED  6
231 
232 /* DABRX flags */
233 #define H_DABRX_HYPERVISOR (1ULL<<(63-61))
234 #define H_DABRX_KERNEL     (1ULL<<(63-62))
235 #define H_DABRX_USER       (1ULL<<(63-63))
236 
237 /* Each control block has to be on a 4K boundary */
238 #define H_CB_ALIGNMENT     4096
239 
240 /* pSeries hypervisor opcodes */
241 #define H_REMOVE                0x04
242 #define H_ENTER                 0x08
243 #define H_READ                  0x0c
244 #define H_CLEAR_MOD             0x10
245 #define H_CLEAR_REF             0x14
246 #define H_PROTECT               0x18
247 #define H_GET_TCE               0x1c
248 #define H_PUT_TCE               0x20
249 #define H_SET_SPRG0             0x24
250 #define H_SET_DABR              0x28
251 #define H_PAGE_INIT             0x2c
252 #define H_SET_ASR               0x30
253 #define H_ASR_ON                0x34
254 #define H_ASR_OFF               0x38
255 #define H_LOGICAL_CI_LOAD       0x3c
256 #define H_LOGICAL_CI_STORE      0x40
257 #define H_LOGICAL_CACHE_LOAD    0x44
258 #define H_LOGICAL_CACHE_STORE   0x48
259 #define H_LOGICAL_ICBI          0x4c
260 #define H_LOGICAL_DCBF          0x50
261 #define H_GET_TERM_CHAR         0x54
262 #define H_PUT_TERM_CHAR         0x58
263 #define H_REAL_TO_LOGICAL       0x5c
264 #define H_HYPERVISOR_DATA       0x60
265 #define H_EOI                   0x64
266 #define H_CPPR                  0x68
267 #define H_IPI                   0x6c
268 #define H_IPOLL                 0x70
269 #define H_XIRR                  0x74
270 #define H_PERFMON               0x7c
271 #define H_MIGRATE_DMA           0x78
272 #define H_REGISTER_VPA          0xDC
273 #define H_CEDE                  0xE0
274 #define H_CONFER                0xE4
275 #define H_PROD                  0xE8
276 #define H_GET_PPP               0xEC
277 #define H_SET_PPP               0xF0
278 #define H_PURR                  0xF4
279 #define H_PIC                   0xF8
280 #define H_REG_CRQ               0xFC
281 #define H_FREE_CRQ              0x100
282 #define H_VIO_SIGNAL            0x104
283 #define H_SEND_CRQ              0x108
284 #define H_COPY_RDMA             0x110
285 #define H_REGISTER_LOGICAL_LAN  0x114
286 #define H_FREE_LOGICAL_LAN      0x118
287 #define H_ADD_LOGICAL_LAN_BUFFER 0x11C
288 #define H_SEND_LOGICAL_LAN      0x120
289 #define H_BULK_REMOVE           0x124
290 #define H_MULTICAST_CTRL        0x130
291 #define H_SET_XDABR             0x134
292 #define H_STUFF_TCE             0x138
293 #define H_PUT_TCE_INDIRECT      0x13C
294 #define H_CHANGE_LOGICAL_LAN_MAC 0x14C
295 #define H_VTERM_PARTNER_INFO    0x150
296 #define H_REGISTER_VTERM        0x154
297 #define H_FREE_VTERM            0x158
298 #define H_RESET_EVENTS          0x15C
299 #define H_ALLOC_RESOURCE        0x160
300 #define H_FREE_RESOURCE         0x164
301 #define H_MODIFY_QP             0x168
302 #define H_QUERY_QP              0x16C
303 #define H_REREGISTER_PMR        0x170
304 #define H_REGISTER_SMR          0x174
305 #define H_QUERY_MR              0x178
306 #define H_QUERY_MW              0x17C
307 #define H_QUERY_HCA             0x180
308 #define H_QUERY_PORT            0x184
309 #define H_MODIFY_PORT           0x188
310 #define H_DEFINE_AQP1           0x18C
311 #define H_GET_TRACE_BUFFER      0x190
312 #define H_DEFINE_AQP0           0x194
313 #define H_RESIZE_MR             0x198
314 #define H_ATTACH_MCQP           0x19C
315 #define H_DETACH_MCQP           0x1A0
316 #define H_CREATE_RPT            0x1A4
317 #define H_REMOVE_RPT            0x1A8
318 #define H_REGISTER_RPAGES       0x1AC
319 #define H_DISABLE_AND_GETC      0x1B0
320 #define H_ERROR_DATA            0x1B4
321 #define H_GET_HCA_INFO          0x1B8
322 #define H_GET_PERF_COUNT        0x1BC
323 #define H_MANAGE_TRACE          0x1C0
324 #define H_FREE_LOGICAL_LAN_BUFFER 0x1D4
325 #define H_QUERY_INT_STATE       0x1E4
326 #define H_POLL_PENDING          0x1D8
327 #define H_ILLAN_ATTRIBUTES      0x244
328 #define H_MODIFY_HEA_QP         0x250
329 #define H_QUERY_HEA_QP          0x254
330 #define H_QUERY_HEA             0x258
331 #define H_QUERY_HEA_PORT        0x25C
332 #define H_MODIFY_HEA_PORT       0x260
333 #define H_REG_BCMC              0x264
334 #define H_DEREG_BCMC            0x268
335 #define H_REGISTER_HEA_RPAGES   0x26C
336 #define H_DISABLE_AND_GET_HEA   0x270
337 #define H_GET_HEA_INFO          0x274
338 #define H_ALLOC_HEA_RESOURCE    0x278
339 #define H_ADD_CONN              0x284
340 #define H_DEL_CONN              0x288
341 #define H_JOIN                  0x298
342 #define H_VASI_STATE            0x2A4
343 #define H_ENABLE_CRQ            0x2B0
344 #define H_GET_EM_PARMS          0x2B8
345 #define H_SET_MPP               0x2D0
346 #define H_GET_MPP               0x2D4
347 #define H_XIRR_X                0x2FC
348 #define H_RANDOM                0x300
349 #define H_SET_MODE              0x31C
350 #define H_SIGNAL_SYS_RESET      0x380
351 #define MAX_HCALL_OPCODE        H_SIGNAL_SYS_RESET
352 
353 /* The hcalls above are standardized in PAPR and implemented by pHyp
354  * as well.
355  *
356  * We also need some hcalls which are specific to qemu / KVM-on-POWER.
357  * So far we just need one for H_RTAS, but in future we'll need more
358  * for extensions like virtio.  We put those into the 0xf000-0xfffc
359  * range which is reserved by PAPR for "platform-specific" hcalls.
360  */
361 #define KVMPPC_HCALL_BASE       0xf000
362 #define KVMPPC_H_RTAS           (KVMPPC_HCALL_BASE + 0x0)
363 #define KVMPPC_H_LOGICAL_MEMOP  (KVMPPC_HCALL_BASE + 0x1)
364 /* Client Architecture support */
365 #define KVMPPC_H_CAS            (KVMPPC_HCALL_BASE + 0x2)
366 #define KVMPPC_HCALL_MAX        KVMPPC_H_CAS
367 
368 typedef struct sPAPRDeviceTreeUpdateHeader {
369     uint32_t version_id;
370 } sPAPRDeviceTreeUpdateHeader;
371 
372 #define hcall_dprintf(fmt, ...) \
373     do { \
374         qemu_log_mask(LOG_GUEST_ERROR, "%s: " fmt, __func__, ## __VA_ARGS__); \
375     } while (0)
376 
377 typedef target_ulong (*spapr_hcall_fn)(PowerPCCPU *cpu, sPAPRMachineState *sm,
378                                        target_ulong opcode,
379                                        target_ulong *args);
380 
381 void spapr_register_hypercall(target_ulong opcode, spapr_hcall_fn fn);
382 target_ulong spapr_hypercall(PowerPCCPU *cpu, target_ulong opcode,
383                              target_ulong *args);
384 
385 /* ibm,set-eeh-option */
386 #define RTAS_EEH_DISABLE                 0
387 #define RTAS_EEH_ENABLE                  1
388 #define RTAS_EEH_THAW_IO                 2
389 #define RTAS_EEH_THAW_DMA                3
390 
391 /* ibm,get-config-addr-info2 */
392 #define RTAS_GET_PE_ADDR                 0
393 #define RTAS_GET_PE_MODE                 1
394 #define RTAS_PE_MODE_NONE                0
395 #define RTAS_PE_MODE_NOT_SHARED          1
396 #define RTAS_PE_MODE_SHARED              2
397 
398 /* ibm,read-slot-reset-state2 */
399 #define RTAS_EEH_PE_STATE_NORMAL         0
400 #define RTAS_EEH_PE_STATE_RESET          1
401 #define RTAS_EEH_PE_STATE_STOPPED_IO_DMA 2
402 #define RTAS_EEH_PE_STATE_STOPPED_DMA    4
403 #define RTAS_EEH_PE_STATE_UNAVAIL        5
404 #define RTAS_EEH_NOT_SUPPORT             0
405 #define RTAS_EEH_SUPPORT                 1
406 #define RTAS_EEH_PE_UNAVAIL_INFO         1000
407 #define RTAS_EEH_PE_RECOVER_INFO         0
408 
409 /* ibm,set-slot-reset */
410 #define RTAS_SLOT_RESET_DEACTIVATE       0
411 #define RTAS_SLOT_RESET_HOT              1
412 #define RTAS_SLOT_RESET_FUNDAMENTAL      3
413 
414 /* ibm,slot-error-detail */
415 #define RTAS_SLOT_TEMP_ERR_LOG           1
416 #define RTAS_SLOT_PERM_ERR_LOG           2
417 
418 /* RTAS return codes */
419 #define RTAS_OUT_SUCCESS                        0
420 #define RTAS_OUT_NO_ERRORS_FOUND                1
421 #define RTAS_OUT_HW_ERROR                       -1
422 #define RTAS_OUT_BUSY                           -2
423 #define RTAS_OUT_PARAM_ERROR                    -3
424 #define RTAS_OUT_NOT_SUPPORTED                  -3
425 #define RTAS_OUT_NO_SUCH_INDICATOR              -3
426 #define RTAS_OUT_NOT_AUTHORIZED                 -9002
427 #define RTAS_OUT_SYSPARM_PARAM_ERROR            -9999
428 
429 /* DDW pagesize mask values from ibm,query-pe-dma-window */
430 #define RTAS_DDW_PGSIZE_4K       0x01
431 #define RTAS_DDW_PGSIZE_64K      0x02
432 #define RTAS_DDW_PGSIZE_16M      0x04
433 #define RTAS_DDW_PGSIZE_32M      0x08
434 #define RTAS_DDW_PGSIZE_64M      0x10
435 #define RTAS_DDW_PGSIZE_128M     0x20
436 #define RTAS_DDW_PGSIZE_256M     0x40
437 #define RTAS_DDW_PGSIZE_16G      0x80
438 
439 /* RTAS tokens */
440 #define RTAS_TOKEN_BASE      0x2000
441 
442 #define RTAS_DISPLAY_CHARACTER                  (RTAS_TOKEN_BASE + 0x00)
443 #define RTAS_GET_TIME_OF_DAY                    (RTAS_TOKEN_BASE + 0x01)
444 #define RTAS_SET_TIME_OF_DAY                    (RTAS_TOKEN_BASE + 0x02)
445 #define RTAS_POWER_OFF                          (RTAS_TOKEN_BASE + 0x03)
446 #define RTAS_SYSTEM_REBOOT                      (RTAS_TOKEN_BASE + 0x04)
447 #define RTAS_QUERY_CPU_STOPPED_STATE            (RTAS_TOKEN_BASE + 0x05)
448 #define RTAS_START_CPU                          (RTAS_TOKEN_BASE + 0x06)
449 #define RTAS_STOP_SELF                          (RTAS_TOKEN_BASE + 0x07)
450 #define RTAS_IBM_GET_SYSTEM_PARAMETER           (RTAS_TOKEN_BASE + 0x08)
451 #define RTAS_IBM_SET_SYSTEM_PARAMETER           (RTAS_TOKEN_BASE + 0x09)
452 #define RTAS_IBM_SET_XIVE                       (RTAS_TOKEN_BASE + 0x0A)
453 #define RTAS_IBM_GET_XIVE                       (RTAS_TOKEN_BASE + 0x0B)
454 #define RTAS_IBM_INT_OFF                        (RTAS_TOKEN_BASE + 0x0C)
455 #define RTAS_IBM_INT_ON                         (RTAS_TOKEN_BASE + 0x0D)
456 #define RTAS_CHECK_EXCEPTION                    (RTAS_TOKEN_BASE + 0x0E)
457 #define RTAS_EVENT_SCAN                         (RTAS_TOKEN_BASE + 0x0F)
458 #define RTAS_IBM_SET_TCE_BYPASS                 (RTAS_TOKEN_BASE + 0x10)
459 #define RTAS_QUIESCE                            (RTAS_TOKEN_BASE + 0x11)
460 #define RTAS_NVRAM_FETCH                        (RTAS_TOKEN_BASE + 0x12)
461 #define RTAS_NVRAM_STORE                        (RTAS_TOKEN_BASE + 0x13)
462 #define RTAS_READ_PCI_CONFIG                    (RTAS_TOKEN_BASE + 0x14)
463 #define RTAS_WRITE_PCI_CONFIG                   (RTAS_TOKEN_BASE + 0x15)
464 #define RTAS_IBM_READ_PCI_CONFIG                (RTAS_TOKEN_BASE + 0x16)
465 #define RTAS_IBM_WRITE_PCI_CONFIG               (RTAS_TOKEN_BASE + 0x17)
466 #define RTAS_IBM_QUERY_INTERRUPT_SOURCE_NUMBER  (RTAS_TOKEN_BASE + 0x18)
467 #define RTAS_IBM_CHANGE_MSI                     (RTAS_TOKEN_BASE + 0x19)
468 #define RTAS_SET_INDICATOR                      (RTAS_TOKEN_BASE + 0x1A)
469 #define RTAS_SET_POWER_LEVEL                    (RTAS_TOKEN_BASE + 0x1B)
470 #define RTAS_GET_POWER_LEVEL                    (RTAS_TOKEN_BASE + 0x1C)
471 #define RTAS_GET_SENSOR_STATE                   (RTAS_TOKEN_BASE + 0x1D)
472 #define RTAS_IBM_CONFIGURE_CONNECTOR            (RTAS_TOKEN_BASE + 0x1E)
473 #define RTAS_IBM_OS_TERM                        (RTAS_TOKEN_BASE + 0x1F)
474 #define RTAS_IBM_SET_EEH_OPTION                 (RTAS_TOKEN_BASE + 0x20)
475 #define RTAS_IBM_GET_CONFIG_ADDR_INFO2          (RTAS_TOKEN_BASE + 0x21)
476 #define RTAS_IBM_READ_SLOT_RESET_STATE2         (RTAS_TOKEN_BASE + 0x22)
477 #define RTAS_IBM_SET_SLOT_RESET                 (RTAS_TOKEN_BASE + 0x23)
478 #define RTAS_IBM_CONFIGURE_PE                   (RTAS_TOKEN_BASE + 0x24)
479 #define RTAS_IBM_SLOT_ERROR_DETAIL              (RTAS_TOKEN_BASE + 0x25)
480 #define RTAS_IBM_QUERY_PE_DMA_WINDOW            (RTAS_TOKEN_BASE + 0x26)
481 #define RTAS_IBM_CREATE_PE_DMA_WINDOW           (RTAS_TOKEN_BASE + 0x27)
482 #define RTAS_IBM_REMOVE_PE_DMA_WINDOW           (RTAS_TOKEN_BASE + 0x28)
483 #define RTAS_IBM_RESET_PE_DMA_WINDOW            (RTAS_TOKEN_BASE + 0x29)
484 
485 #define RTAS_TOKEN_MAX                          (RTAS_TOKEN_BASE + 0x2A)
486 
487 /* RTAS ibm,get-system-parameter token values */
488 #define RTAS_SYSPARM_SPLPAR_CHARACTERISTICS      20
489 #define RTAS_SYSPARM_DIAGNOSTICS_RUN_MODE        42
490 #define RTAS_SYSPARM_UUID                        48
491 
492 /* RTAS indicator/sensor types
493  *
494  * as defined by PAPR+ 2.7 7.3.5.4, Table 41
495  *
496  * NOTE: currently only DR-related sensors are implemented here
497  */
498 #define RTAS_SENSOR_TYPE_ISOLATION_STATE        9001
499 #define RTAS_SENSOR_TYPE_DR                     9002
500 #define RTAS_SENSOR_TYPE_ALLOCATION_STATE       9003
501 #define RTAS_SENSOR_TYPE_ENTITY_SENSE RTAS_SENSOR_TYPE_ALLOCATION_STATE
502 
503 /* Possible values for the platform-processor-diagnostics-run-mode parameter
504  * of the RTAS ibm,get-system-parameter call.
505  */
506 #define DIAGNOSTICS_RUN_MODE_DISABLED  0
507 #define DIAGNOSTICS_RUN_MODE_STAGGERED 1
508 #define DIAGNOSTICS_RUN_MODE_IMMEDIATE 2
509 #define DIAGNOSTICS_RUN_MODE_PERIODIC  3
510 
511 static inline uint64_t ppc64_phys_to_real(uint64_t addr)
512 {
513     return addr & ~0xF000000000000000ULL;
514 }
515 
516 static inline uint32_t rtas_ld(target_ulong phys, int n)
517 {
518     return ldl_be_phys(&address_space_memory, ppc64_phys_to_real(phys + 4*n));
519 }
520 
521 static inline uint64_t rtas_ldq(target_ulong phys, int n)
522 {
523     return (uint64_t)rtas_ld(phys, n) << 32 | rtas_ld(phys, n + 1);
524 }
525 
526 static inline void rtas_st(target_ulong phys, int n, uint32_t val)
527 {
528     stl_be_phys(&address_space_memory, ppc64_phys_to_real(phys + 4*n), val);
529 }
530 
531 typedef void (*spapr_rtas_fn)(PowerPCCPU *cpu, sPAPRMachineState *sm,
532                               uint32_t token,
533                               uint32_t nargs, target_ulong args,
534                               uint32_t nret, target_ulong rets);
535 void spapr_rtas_register(int token, const char *name, spapr_rtas_fn fn);
536 target_ulong spapr_rtas_call(PowerPCCPU *cpu, sPAPRMachineState *sm,
537                              uint32_t token, uint32_t nargs, target_ulong args,
538                              uint32_t nret, target_ulong rets);
539 void spapr_dt_rtas_tokens(void *fdt, int rtas);
540 void spapr_load_rtas(sPAPRMachineState *spapr, void *fdt, hwaddr addr);
541 
542 #define SPAPR_TCE_PAGE_SHIFT   12
543 #define SPAPR_TCE_PAGE_SIZE    (1ULL << SPAPR_TCE_PAGE_SHIFT)
544 #define SPAPR_TCE_PAGE_MASK    (SPAPR_TCE_PAGE_SIZE - 1)
545 
546 #define SPAPR_VIO_BASE_LIOBN    0x00000000
547 #define SPAPR_VIO_LIOBN(reg)    (0x00000000 | (reg))
548 #define SPAPR_PCI_LIOBN(phb_index, window_num) \
549     (0x80000000 | ((phb_index) << 8) | (window_num))
550 #define SPAPR_IS_PCI_LIOBN(liobn)   (!!((liobn) & 0x80000000))
551 #define SPAPR_PCI_DMA_WINDOW_NUM(liobn) ((liobn) & 0xff)
552 
553 #define RTAS_ERROR_LOG_MAX      2048
554 
555 #define RTAS_EVENT_SCAN_RATE    1
556 
557 typedef struct sPAPRTCETable sPAPRTCETable;
558 
559 #define TYPE_SPAPR_TCE_TABLE "spapr-tce-table"
560 #define SPAPR_TCE_TABLE(obj) \
561     OBJECT_CHECK(sPAPRTCETable, (obj), TYPE_SPAPR_TCE_TABLE)
562 
563 struct sPAPRTCETable {
564     DeviceState parent;
565     uint32_t liobn;
566     uint32_t nb_table;
567     uint64_t bus_offset;
568     uint32_t page_shift;
569     uint64_t *table;
570     uint32_t mig_nb_table;
571     uint64_t *mig_table;
572     bool bypass;
573     bool need_vfio;
574     int fd;
575     MemoryRegion root, iommu;
576     struct VIOsPAPRDevice *vdev; /* for @bypass migration compatibility only */
577     QLIST_ENTRY(sPAPRTCETable) list;
578 };
579 
580 sPAPRTCETable *spapr_tce_find_by_liobn(target_ulong liobn);
581 
582 struct sPAPREventLogEntry {
583     int log_type;
584     bool exception;
585     void *data;
586     QTAILQ_ENTRY(sPAPREventLogEntry) next;
587 };
588 
589 void spapr_events_init(sPAPRMachineState *sm);
590 void spapr_dt_events(sPAPRMachineState *sm, void *fdt);
591 int spapr_h_cas_compose_response(sPAPRMachineState *sm,
592                                  target_ulong addr, target_ulong size,
593                                  sPAPROptionVector *ov5_updates);
594 sPAPRTCETable *spapr_tce_new_table(DeviceState *owner, uint32_t liobn);
595 void spapr_tce_table_enable(sPAPRTCETable *tcet,
596                             uint32_t page_shift, uint64_t bus_offset,
597                             uint32_t nb_table);
598 void spapr_tce_table_disable(sPAPRTCETable *tcet);
599 void spapr_tce_set_need_vfio(sPAPRTCETable *tcet, bool need_vfio);
600 
601 MemoryRegion *spapr_tce_get_iommu(sPAPRTCETable *tcet);
602 int spapr_dma_dt(void *fdt, int node_off, const char *propname,
603                  uint32_t liobn, uint64_t window, uint32_t size);
604 int spapr_tcet_dma_dt(void *fdt, int node_off, const char *propname,
605                       sPAPRTCETable *tcet);
606 void spapr_pci_switch_vga(bool big_endian);
607 void spapr_hotplug_req_add_by_index(sPAPRDRConnector *drc);
608 void spapr_hotplug_req_remove_by_index(sPAPRDRConnector *drc);
609 void spapr_hotplug_req_add_by_count(sPAPRDRConnectorType drc_type,
610                                        uint32_t count);
611 void spapr_hotplug_req_remove_by_count(sPAPRDRConnectorType drc_type,
612                                           uint32_t count);
613 void spapr_hotplug_req_add_by_count_indexed(sPAPRDRConnectorType drc_type,
614                                             uint32_t count, uint32_t index);
615 void spapr_hotplug_req_remove_by_count_indexed(sPAPRDRConnectorType drc_type,
616                                                uint32_t count, uint32_t index);
617 void *spapr_populate_hotplug_cpu_dt(CPUState *cs, int *fdt_offset,
618                                     sPAPRMachineState *spapr);
619 
620 /* rtas-configure-connector state */
621 struct sPAPRConfigureConnectorState {
622     uint32_t drc_index;
623     int fdt_offset;
624     int fdt_depth;
625     QTAILQ_ENTRY(sPAPRConfigureConnectorState) next;
626 };
627 
628 void spapr_ccs_reset_hook(void *opaque);
629 
630 #define TYPE_SPAPR_RTC "spapr-rtc"
631 #define TYPE_SPAPR_RNG "spapr-rng"
632 
633 void spapr_rtc_read(DeviceState *dev, struct tm *tm, uint32_t *ns);
634 int spapr_rtc_import_offset(DeviceState *dev, int64_t legacy_offset);
635 
636 int spapr_rng_populate_dt(void *fdt);
637 
638 #define SPAPR_MEMORY_BLOCK_SIZE (1 << 28) /* 256MB */
639 
640 /*
641  * This defines the maximum number of DIMM slots we can have for sPAPR
642  * guest. This is not defined by sPAPR but we are defining it to 32 slots
643  * based on default number of slots provided by PowerPC kernel.
644  */
645 #define SPAPR_MAX_RAM_SLOTS     32
646 
647 /* 1GB alignment for hotplug memory region */
648 #define SPAPR_HOTPLUG_MEM_ALIGN (1ULL << 30)
649 
650 /*
651  * Number of 32 bit words in each LMB list entry in ibm,dynamic-memory
652  * property under ibm,dynamic-reconfiguration-memory node.
653  */
654 #define SPAPR_DR_LMB_LIST_ENTRY_SIZE 6
655 
656 /*
657  * Defines for flag value in ibm,dynamic-memory property under
658  * ibm,dynamic-reconfiguration-memory node.
659  */
660 #define SPAPR_LMB_FLAGS_ASSIGNED 0x00000008
661 #define SPAPR_LMB_FLAGS_DRC_INVALID 0x00000020
662 #define SPAPR_LMB_FLAGS_RESERVED 0x00000080
663 
664 void spapr_do_system_reset_on_cpu(CPUState *cs, run_on_cpu_data arg);
665 
666 #endif /* HW_SPAPR_H */
667