xref: /openbmc/qemu/include/hw/ppc/spapr.h (revision d7646f24)
1 #if !defined(__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 
9 struct VIOsPAPRBus;
10 struct sPAPRPHBState;
11 struct sPAPRNVRAM;
12 typedef struct sPAPRConfigureConnectorState sPAPRConfigureConnectorState;
13 typedef struct sPAPREventLogEntry sPAPREventLogEntry;
14 
15 #define HPTE64_V_HPTE_DIRTY     0x0000000000000040ULL
16 #define SPAPR_ENTRY_POINT       0x100
17 
18 typedef struct sPAPRMachineClass sPAPRMachineClass;
19 typedef struct sPAPRMachineState sPAPRMachineState;
20 
21 #define TYPE_SPAPR_MACHINE      "spapr-machine"
22 #define SPAPR_MACHINE(obj) \
23     OBJECT_CHECK(sPAPRMachineState, (obj), TYPE_SPAPR_MACHINE)
24 #define SPAPR_MACHINE_GET_CLASS(obj) \
25     OBJECT_GET_CLASS(sPAPRMachineClass, obj, TYPE_SPAPR_MACHINE)
26 #define SPAPR_MACHINE_CLASS(klass) \
27     OBJECT_CLASS_CHECK(sPAPRMachineClass, klass, TYPE_SPAPR_MACHINE)
28 
29 /**
30  * sPAPRMachineClass:
31  */
32 struct sPAPRMachineClass {
33     /*< private >*/
34     MachineClass parent_class;
35 
36     /*< public >*/
37 };
38 
39 /**
40  * sPAPRMachineState:
41  */
42 struct sPAPRMachineState {
43     /*< private >*/
44     MachineState parent_obj;
45 
46     struct VIOsPAPRBus *vio_bus;
47     QLIST_HEAD(, sPAPRPHBState) phbs;
48     struct sPAPRNVRAM *nvram;
49     XICSState *icp;
50     DeviceState *rtc;
51 
52     void *htab;
53     uint32_t htab_shift;
54     hwaddr rma_size;
55     int vrma_adjust;
56     hwaddr fdt_addr, rtas_addr;
57     ssize_t rtas_size;
58     void *rtas_blob;
59     void *fdt_skel;
60     uint64_t rtc_offset; /* Now used only during incoming migration */
61     struct PPCTimebase tb;
62     bool has_graphics;
63 
64     uint32_t check_exception_irq;
65     Notifier epow_notifier;
66     QTAILQ_HEAD(, sPAPREventLogEntry) pending_events;
67 
68     /* Migration state */
69     int htab_save_index;
70     bool htab_first_pass;
71     int htab_fd;
72     bool htab_fd_stale;
73 
74     /* RTAS state */
75     QTAILQ_HEAD(, sPAPRConfigureConnectorState) ccs_list;
76 
77     /*< public >*/
78     char *kvm_type;
79 };
80 
81 #define H_SUCCESS         0
82 #define H_BUSY            1        /* Hardware busy -- retry later */
83 #define H_CLOSED          2        /* Resource closed */
84 #define H_NOT_AVAILABLE   3
85 #define H_CONSTRAINED     4        /* Resource request constrained to max allowed */
86 #define H_PARTIAL         5
87 #define H_IN_PROGRESS     14       /* Kind of like busy */
88 #define H_PAGE_REGISTERED 15
89 #define H_PARTIAL_STORE   16
90 #define H_PENDING         17       /* returned from H_POLL_PENDING */
91 #define H_CONTINUE        18       /* Returned from H_Join on success */
92 #define H_LONG_BUSY_START_RANGE         9900  /* Start of long busy range */
93 #define H_LONG_BUSY_ORDER_1_MSEC        9900  /* Long busy, hint that 1msec \
94                                                  is a good time to retry */
95 #define H_LONG_BUSY_ORDER_10_MSEC       9901  /* Long busy, hint that 10msec \
96                                                  is a good time to retry */
97 #define H_LONG_BUSY_ORDER_100_MSEC      9902  /* Long busy, hint that 100msec \
98                                                  is a good time to retry */
99 #define H_LONG_BUSY_ORDER_1_SEC         9903  /* Long busy, hint that 1sec \
100                                                  is a good time to retry */
101 #define H_LONG_BUSY_ORDER_10_SEC        9904  /* Long busy, hint that 10sec \
102                                                  is a good time to retry */
103 #define H_LONG_BUSY_ORDER_100_SEC       9905  /* Long busy, hint that 100sec \
104                                                  is a good time to retry */
105 #define H_LONG_BUSY_END_RANGE           9905  /* End of long busy range */
106 #define H_HARDWARE        -1       /* Hardware error */
107 #define H_FUNCTION        -2       /* Function not supported */
108 #define H_PRIVILEGE       -3       /* Caller not privileged */
109 #define H_PARAMETER       -4       /* Parameter invalid, out-of-range or conflicting */
110 #define H_BAD_MODE        -5       /* Illegal msr value */
111 #define H_PTEG_FULL       -6       /* PTEG is full */
112 #define H_NOT_FOUND       -7       /* PTE was not found" */
113 #define H_RESERVED_DABR   -8       /* DABR address is reserved by the hypervisor on this processor" */
114 #define H_NO_MEM          -9
115 #define H_AUTHORITY       -10
116 #define H_PERMISSION      -11
117 #define H_DROPPED         -12
118 #define H_SOURCE_PARM     -13
119 #define H_DEST_PARM       -14
120 #define H_REMOTE_PARM     -15
121 #define H_RESOURCE        -16
122 #define H_ADAPTER_PARM    -17
123 #define H_RH_PARM         -18
124 #define H_RCQ_PARM        -19
125 #define H_SCQ_PARM        -20
126 #define H_EQ_PARM         -21
127 #define H_RT_PARM         -22
128 #define H_ST_PARM         -23
129 #define H_SIGT_PARM       -24
130 #define H_TOKEN_PARM      -25
131 #define H_MLENGTH_PARM    -27
132 #define H_MEM_PARM        -28
133 #define H_MEM_ACCESS_PARM -29
134 #define H_ATTR_PARM       -30
135 #define H_PORT_PARM       -31
136 #define H_MCG_PARM        -32
137 #define H_VL_PARM         -33
138 #define H_TSIZE_PARM      -34
139 #define H_TRACE_PARM      -35
140 
141 #define H_MASK_PARM       -37
142 #define H_MCG_FULL        -38
143 #define H_ALIAS_EXIST     -39
144 #define H_P_COUNTER       -40
145 #define H_TABLE_FULL      -41
146 #define H_ALT_TABLE       -42
147 #define H_MR_CONDITION    -43
148 #define H_NOT_ENOUGH_RESOURCES -44
149 #define H_R_STATE         -45
150 #define H_RESCINDEND      -46
151 #define H_P2              -55
152 #define H_P3              -56
153 #define H_P4              -57
154 #define H_P5              -58
155 #define H_P6              -59
156 #define H_P7              -60
157 #define H_P8              -61
158 #define H_P9              -62
159 #define H_UNSUPPORTED_FLAG -256
160 #define H_MULTI_THREADS_ACTIVE -9005
161 
162 
163 /* Long Busy is a condition that can be returned by the firmware
164  * when a call cannot be completed now, but the identical call
165  * should be retried later.  This prevents calls blocking in the
166  * firmware for long periods of time.  Annoyingly the firmware can return
167  * a range of return codes, hinting at how long we should wait before
168  * retrying.  If you don't care for the hint, the macro below is a good
169  * way to check for the long_busy return codes
170  */
171 #define H_IS_LONG_BUSY(x)  ((x >= H_LONG_BUSY_START_RANGE) \
172                             && (x <= H_LONG_BUSY_END_RANGE))
173 
174 /* Flags */
175 #define H_LARGE_PAGE      (1ULL<<(63-16))
176 #define H_EXACT           (1ULL<<(63-24))       /* Use exact PTE or return H_PTEG_FULL */
177 #define H_R_XLATE         (1ULL<<(63-25))       /* include a valid logical page num in the pte if the valid bit is set */
178 #define H_READ_4          (1ULL<<(63-26))       /* Return 4 PTEs */
179 #define H_PAGE_STATE_CHANGE (1ULL<<(63-28))
180 #define H_PAGE_UNUSED     ((1ULL<<(63-29)) | (1ULL<<(63-30)))
181 #define H_PAGE_SET_UNUSED (H_PAGE_STATE_CHANGE | H_PAGE_UNUSED)
182 #define H_PAGE_SET_LOANED (H_PAGE_SET_UNUSED | (1ULL<<(63-31)))
183 #define H_PAGE_SET_ACTIVE H_PAGE_STATE_CHANGE
184 #define H_AVPN            (1ULL<<(63-32))       /* An avpn is provided as a sanity test */
185 #define H_ANDCOND         (1ULL<<(63-33))
186 #define H_ICACHE_INVALIDATE (1ULL<<(63-40))     /* icbi, etc.  (ignored for IO pages) */
187 #define H_ICACHE_SYNCHRONIZE (1ULL<<(63-41))    /* dcbst, icbi, etc (ignored for IO pages */
188 #define H_ZERO_PAGE       (1ULL<<(63-48))       /* zero the page before mapping (ignored for IO pages) */
189 #define H_COPY_PAGE       (1ULL<<(63-49))
190 #define H_N               (1ULL<<(63-61))
191 #define H_PP1             (1ULL<<(63-62))
192 #define H_PP2             (1ULL<<(63-63))
193 
194 /* Values for 2nd argument to H_SET_MODE */
195 #define H_SET_MODE_RESOURCE_SET_CIABR           1
196 #define H_SET_MODE_RESOURCE_SET_DAWR            2
197 #define H_SET_MODE_RESOURCE_ADDR_TRANS_MODE     3
198 #define H_SET_MODE_RESOURCE_LE                  4
199 
200 /* Flags for H_SET_MODE_RESOURCE_LE */
201 #define H_SET_MODE_ENDIAN_BIG    0
202 #define H_SET_MODE_ENDIAN_LITTLE 1
203 
204 /* Flags for H_SET_MODE_RESOURCE_ADDR_TRANS_MODE */
205 #define H_SET_MODE_ADDR_TRANS_NONE                  0
206 #define H_SET_MODE_ADDR_TRANS_0001_8000             2
207 #define H_SET_MODE_ADDR_TRANS_C000_0000_0000_4000   3
208 
209 /* VASI States */
210 #define H_VASI_INVALID    0
211 #define H_VASI_ENABLED    1
212 #define H_VASI_ABORTED    2
213 #define H_VASI_SUSPENDING 3
214 #define H_VASI_SUSPENDED  4
215 #define H_VASI_RESUMED    5
216 #define H_VASI_COMPLETED  6
217 
218 /* DABRX flags */
219 #define H_DABRX_HYPERVISOR (1ULL<<(63-61))
220 #define H_DABRX_KERNEL     (1ULL<<(63-62))
221 #define H_DABRX_USER       (1ULL<<(63-63))
222 
223 /* Each control block has to be on a 4K boundary */
224 #define H_CB_ALIGNMENT     4096
225 
226 /* pSeries hypervisor opcodes */
227 #define H_REMOVE                0x04
228 #define H_ENTER                 0x08
229 #define H_READ                  0x0c
230 #define H_CLEAR_MOD             0x10
231 #define H_CLEAR_REF             0x14
232 #define H_PROTECT               0x18
233 #define H_GET_TCE               0x1c
234 #define H_PUT_TCE               0x20
235 #define H_SET_SPRG0             0x24
236 #define H_SET_DABR              0x28
237 #define H_PAGE_INIT             0x2c
238 #define H_SET_ASR               0x30
239 #define H_ASR_ON                0x34
240 #define H_ASR_OFF               0x38
241 #define H_LOGICAL_CI_LOAD       0x3c
242 #define H_LOGICAL_CI_STORE      0x40
243 #define H_LOGICAL_CACHE_LOAD    0x44
244 #define H_LOGICAL_CACHE_STORE   0x48
245 #define H_LOGICAL_ICBI          0x4c
246 #define H_LOGICAL_DCBF          0x50
247 #define H_GET_TERM_CHAR         0x54
248 #define H_PUT_TERM_CHAR         0x58
249 #define H_REAL_TO_LOGICAL       0x5c
250 #define H_HYPERVISOR_DATA       0x60
251 #define H_EOI                   0x64
252 #define H_CPPR                  0x68
253 #define H_IPI                   0x6c
254 #define H_IPOLL                 0x70
255 #define H_XIRR                  0x74
256 #define H_PERFMON               0x7c
257 #define H_MIGRATE_DMA           0x78
258 #define H_REGISTER_VPA          0xDC
259 #define H_CEDE                  0xE0
260 #define H_CONFER                0xE4
261 #define H_PROD                  0xE8
262 #define H_GET_PPP               0xEC
263 #define H_SET_PPP               0xF0
264 #define H_PURR                  0xF4
265 #define H_PIC                   0xF8
266 #define H_REG_CRQ               0xFC
267 #define H_FREE_CRQ              0x100
268 #define H_VIO_SIGNAL            0x104
269 #define H_SEND_CRQ              0x108
270 #define H_COPY_RDMA             0x110
271 #define H_REGISTER_LOGICAL_LAN  0x114
272 #define H_FREE_LOGICAL_LAN      0x118
273 #define H_ADD_LOGICAL_LAN_BUFFER 0x11C
274 #define H_SEND_LOGICAL_LAN      0x120
275 #define H_BULK_REMOVE           0x124
276 #define H_MULTICAST_CTRL        0x130
277 #define H_SET_XDABR             0x134
278 #define H_STUFF_TCE             0x138
279 #define H_PUT_TCE_INDIRECT      0x13C
280 #define H_CHANGE_LOGICAL_LAN_MAC 0x14C
281 #define H_VTERM_PARTNER_INFO    0x150
282 #define H_REGISTER_VTERM        0x154
283 #define H_FREE_VTERM            0x158
284 #define H_RESET_EVENTS          0x15C
285 #define H_ALLOC_RESOURCE        0x160
286 #define H_FREE_RESOURCE         0x164
287 #define H_MODIFY_QP             0x168
288 #define H_QUERY_QP              0x16C
289 #define H_REREGISTER_PMR        0x170
290 #define H_REGISTER_SMR          0x174
291 #define H_QUERY_MR              0x178
292 #define H_QUERY_MW              0x17C
293 #define H_QUERY_HCA             0x180
294 #define H_QUERY_PORT            0x184
295 #define H_MODIFY_PORT           0x188
296 #define H_DEFINE_AQP1           0x18C
297 #define H_GET_TRACE_BUFFER      0x190
298 #define H_DEFINE_AQP0           0x194
299 #define H_RESIZE_MR             0x198
300 #define H_ATTACH_MCQP           0x19C
301 #define H_DETACH_MCQP           0x1A0
302 #define H_CREATE_RPT            0x1A4
303 #define H_REMOVE_RPT            0x1A8
304 #define H_REGISTER_RPAGES       0x1AC
305 #define H_DISABLE_AND_GETC      0x1B0
306 #define H_ERROR_DATA            0x1B4
307 #define H_GET_HCA_INFO          0x1B8
308 #define H_GET_PERF_COUNT        0x1BC
309 #define H_MANAGE_TRACE          0x1C0
310 #define H_FREE_LOGICAL_LAN_BUFFER 0x1D4
311 #define H_QUERY_INT_STATE       0x1E4
312 #define H_POLL_PENDING          0x1D8
313 #define H_ILLAN_ATTRIBUTES      0x244
314 #define H_MODIFY_HEA_QP         0x250
315 #define H_QUERY_HEA_QP          0x254
316 #define H_QUERY_HEA             0x258
317 #define H_QUERY_HEA_PORT        0x25C
318 #define H_MODIFY_HEA_PORT       0x260
319 #define H_REG_BCMC              0x264
320 #define H_DEREG_BCMC            0x268
321 #define H_REGISTER_HEA_RPAGES   0x26C
322 #define H_DISABLE_AND_GET_HEA   0x270
323 #define H_GET_HEA_INFO          0x274
324 #define H_ALLOC_HEA_RESOURCE    0x278
325 #define H_ADD_CONN              0x284
326 #define H_DEL_CONN              0x288
327 #define H_JOIN                  0x298
328 #define H_VASI_STATE            0x2A4
329 #define H_ENABLE_CRQ            0x2B0
330 #define H_GET_EM_PARMS          0x2B8
331 #define H_SET_MPP               0x2D0
332 #define H_GET_MPP               0x2D4
333 #define H_XIRR_X                0x2FC
334 #define H_SET_MODE              0x31C
335 #define MAX_HCALL_OPCODE        H_SET_MODE
336 
337 /* The hcalls above are standardized in PAPR and implemented by pHyp
338  * as well.
339  *
340  * We also need some hcalls which are specific to qemu / KVM-on-POWER.
341  * So far we just need one for H_RTAS, but in future we'll need more
342  * for extensions like virtio.  We put those into the 0xf000-0xfffc
343  * range which is reserved by PAPR for "platform-specific" hcalls.
344  */
345 #define KVMPPC_HCALL_BASE       0xf000
346 #define KVMPPC_H_RTAS           (KVMPPC_HCALL_BASE + 0x0)
347 #define KVMPPC_H_LOGICAL_MEMOP  (KVMPPC_HCALL_BASE + 0x1)
348 /* Client Architecture support */
349 #define KVMPPC_H_CAS            (KVMPPC_HCALL_BASE + 0x2)
350 #define KVMPPC_HCALL_MAX        KVMPPC_H_CAS
351 
352 typedef struct sPAPRDeviceTreeUpdateHeader {
353     uint32_t version_id;
354 } sPAPRDeviceTreeUpdateHeader;
355 
356 /*#define DEBUG_SPAPR_HCALLS*/
357 
358 #ifdef DEBUG_SPAPR_HCALLS
359 #define hcall_dprintf(fmt, ...) \
360     do { fprintf(stderr, "%s: " fmt, __func__, ## __VA_ARGS__); } while (0)
361 #else
362 #define hcall_dprintf(fmt, ...) \
363     do { } while (0)
364 #endif
365 
366 typedef target_ulong (*spapr_hcall_fn)(PowerPCCPU *cpu, sPAPRMachineState *sm,
367                                        target_ulong opcode,
368                                        target_ulong *args);
369 
370 void spapr_register_hypercall(target_ulong opcode, spapr_hcall_fn fn);
371 target_ulong spapr_hypercall(PowerPCCPU *cpu, target_ulong opcode,
372                              target_ulong *args);
373 
374 int spapr_allocate_irq(int hint, bool lsi);
375 int spapr_allocate_irq_block(int num, bool lsi, bool msi);
376 
377 /* ibm,set-eeh-option */
378 #define RTAS_EEH_DISABLE                 0
379 #define RTAS_EEH_ENABLE                  1
380 #define RTAS_EEH_THAW_IO                 2
381 #define RTAS_EEH_THAW_DMA                3
382 
383 /* ibm,get-config-addr-info2 */
384 #define RTAS_GET_PE_ADDR                 0
385 #define RTAS_GET_PE_MODE                 1
386 #define RTAS_PE_MODE_NONE                0
387 #define RTAS_PE_MODE_NOT_SHARED          1
388 #define RTAS_PE_MODE_SHARED              2
389 
390 /* ibm,read-slot-reset-state2 */
391 #define RTAS_EEH_PE_STATE_NORMAL         0
392 #define RTAS_EEH_PE_STATE_RESET          1
393 #define RTAS_EEH_PE_STATE_STOPPED_IO_DMA 2
394 #define RTAS_EEH_PE_STATE_STOPPED_DMA    4
395 #define RTAS_EEH_PE_STATE_UNAVAIL        5
396 #define RTAS_EEH_NOT_SUPPORT             0
397 #define RTAS_EEH_SUPPORT                 1
398 #define RTAS_EEH_PE_UNAVAIL_INFO         1000
399 #define RTAS_EEH_PE_RECOVER_INFO         0
400 
401 /* ibm,set-slot-reset */
402 #define RTAS_SLOT_RESET_DEACTIVATE       0
403 #define RTAS_SLOT_RESET_HOT              1
404 #define RTAS_SLOT_RESET_FUNDAMENTAL      3
405 
406 /* ibm,slot-error-detail */
407 #define RTAS_SLOT_TEMP_ERR_LOG           1
408 #define RTAS_SLOT_PERM_ERR_LOG           2
409 
410 /* RTAS return codes */
411 #define RTAS_OUT_SUCCESS            0
412 #define RTAS_OUT_NO_ERRORS_FOUND    1
413 #define RTAS_OUT_HW_ERROR           -1
414 #define RTAS_OUT_BUSY               -2
415 #define RTAS_OUT_PARAM_ERROR        -3
416 #define RTAS_OUT_NOT_SUPPORTED      -3
417 #define RTAS_OUT_NOT_AUTHORIZED     -9002
418 
419 /* RTAS tokens */
420 #define RTAS_TOKEN_BASE      0x2000
421 
422 #define RTAS_DISPLAY_CHARACTER                  (RTAS_TOKEN_BASE + 0x00)
423 #define RTAS_GET_TIME_OF_DAY                    (RTAS_TOKEN_BASE + 0x01)
424 #define RTAS_SET_TIME_OF_DAY                    (RTAS_TOKEN_BASE + 0x02)
425 #define RTAS_POWER_OFF                          (RTAS_TOKEN_BASE + 0x03)
426 #define RTAS_SYSTEM_REBOOT                      (RTAS_TOKEN_BASE + 0x04)
427 #define RTAS_QUERY_CPU_STOPPED_STATE            (RTAS_TOKEN_BASE + 0x05)
428 #define RTAS_START_CPU                          (RTAS_TOKEN_BASE + 0x06)
429 #define RTAS_STOP_SELF                          (RTAS_TOKEN_BASE + 0x07)
430 #define RTAS_IBM_GET_SYSTEM_PARAMETER           (RTAS_TOKEN_BASE + 0x08)
431 #define RTAS_IBM_SET_SYSTEM_PARAMETER           (RTAS_TOKEN_BASE + 0x09)
432 #define RTAS_IBM_SET_XIVE                       (RTAS_TOKEN_BASE + 0x0A)
433 #define RTAS_IBM_GET_XIVE                       (RTAS_TOKEN_BASE + 0x0B)
434 #define RTAS_IBM_INT_OFF                        (RTAS_TOKEN_BASE + 0x0C)
435 #define RTAS_IBM_INT_ON                         (RTAS_TOKEN_BASE + 0x0D)
436 #define RTAS_CHECK_EXCEPTION                    (RTAS_TOKEN_BASE + 0x0E)
437 #define RTAS_EVENT_SCAN                         (RTAS_TOKEN_BASE + 0x0F)
438 #define RTAS_IBM_SET_TCE_BYPASS                 (RTAS_TOKEN_BASE + 0x10)
439 #define RTAS_QUIESCE                            (RTAS_TOKEN_BASE + 0x11)
440 #define RTAS_NVRAM_FETCH                        (RTAS_TOKEN_BASE + 0x12)
441 #define RTAS_NVRAM_STORE                        (RTAS_TOKEN_BASE + 0x13)
442 #define RTAS_READ_PCI_CONFIG                    (RTAS_TOKEN_BASE + 0x14)
443 #define RTAS_WRITE_PCI_CONFIG                   (RTAS_TOKEN_BASE + 0x15)
444 #define RTAS_IBM_READ_PCI_CONFIG                (RTAS_TOKEN_BASE + 0x16)
445 #define RTAS_IBM_WRITE_PCI_CONFIG               (RTAS_TOKEN_BASE + 0x17)
446 #define RTAS_IBM_QUERY_INTERRUPT_SOURCE_NUMBER  (RTAS_TOKEN_BASE + 0x18)
447 #define RTAS_IBM_CHANGE_MSI                     (RTAS_TOKEN_BASE + 0x19)
448 #define RTAS_SET_INDICATOR                      (RTAS_TOKEN_BASE + 0x1A)
449 #define RTAS_SET_POWER_LEVEL                    (RTAS_TOKEN_BASE + 0x1B)
450 #define RTAS_GET_POWER_LEVEL                    (RTAS_TOKEN_BASE + 0x1C)
451 #define RTAS_GET_SENSOR_STATE                   (RTAS_TOKEN_BASE + 0x1D)
452 #define RTAS_IBM_CONFIGURE_CONNECTOR            (RTAS_TOKEN_BASE + 0x1E)
453 #define RTAS_IBM_OS_TERM                        (RTAS_TOKEN_BASE + 0x1F)
454 #define RTAS_IBM_SET_EEH_OPTION                 (RTAS_TOKEN_BASE + 0x20)
455 #define RTAS_IBM_GET_CONFIG_ADDR_INFO2          (RTAS_TOKEN_BASE + 0x21)
456 #define RTAS_IBM_READ_SLOT_RESET_STATE2         (RTAS_TOKEN_BASE + 0x22)
457 #define RTAS_IBM_SET_SLOT_RESET                 (RTAS_TOKEN_BASE + 0x23)
458 #define RTAS_IBM_CONFIGURE_PE                   (RTAS_TOKEN_BASE + 0x24)
459 #define RTAS_IBM_SLOT_ERROR_DETAIL              (RTAS_TOKEN_BASE + 0x25)
460 
461 #define RTAS_TOKEN_MAX                          (RTAS_TOKEN_BASE + 0x26)
462 
463 /* RTAS ibm,get-system-parameter token values */
464 #define RTAS_SYSPARM_SPLPAR_CHARACTERISTICS      20
465 #define RTAS_SYSPARM_DIAGNOSTICS_RUN_MODE        42
466 #define RTAS_SYSPARM_UUID                        48
467 
468 /* RTAS indicator/sensor types
469  *
470  * as defined by PAPR+ 2.7 7.3.5.4, Table 41
471  *
472  * NOTE: currently only DR-related sensors are implemented here
473  */
474 #define RTAS_SENSOR_TYPE_ISOLATION_STATE        9001
475 #define RTAS_SENSOR_TYPE_DR                     9002
476 #define RTAS_SENSOR_TYPE_ALLOCATION_STATE       9003
477 #define RTAS_SENSOR_TYPE_ENTITY_SENSE RTAS_SENSOR_TYPE_ALLOCATION_STATE
478 
479 /* Possible values for the platform-processor-diagnostics-run-mode parameter
480  * of the RTAS ibm,get-system-parameter call.
481  */
482 #define DIAGNOSTICS_RUN_MODE_DISABLED  0
483 #define DIAGNOSTICS_RUN_MODE_STAGGERED 1
484 #define DIAGNOSTICS_RUN_MODE_IMMEDIATE 2
485 #define DIAGNOSTICS_RUN_MODE_PERIODIC  3
486 
487 static inline uint64_t ppc64_phys_to_real(uint64_t addr)
488 {
489     return addr & ~0xF000000000000000ULL;
490 }
491 
492 static inline uint32_t rtas_ld(target_ulong phys, int n)
493 {
494     return ldl_be_phys(&address_space_memory, ppc64_phys_to_real(phys + 4*n));
495 }
496 
497 static inline void rtas_st(target_ulong phys, int n, uint32_t val)
498 {
499     stl_be_phys(&address_space_memory, ppc64_phys_to_real(phys + 4*n), val);
500 }
501 
502 static inline void rtas_st_buffer_direct(target_ulong phys,
503                                          target_ulong phys_len,
504                                          uint8_t *buffer, uint16_t buffer_len)
505 {
506     cpu_physical_memory_write(ppc64_phys_to_real(phys), buffer,
507                               MIN(buffer_len, phys_len));
508 }
509 
510 static inline void rtas_st_buffer(target_ulong phys, target_ulong phys_len,
511                                   uint8_t *buffer, uint16_t buffer_len)
512 {
513     if (phys_len < 2) {
514         return;
515     }
516     stw_be_phys(&address_space_memory,
517                 ppc64_phys_to_real(phys), buffer_len);
518     rtas_st_buffer_direct(phys + 2, phys_len - 2, buffer, buffer_len);
519 }
520 
521 typedef void (*spapr_rtas_fn)(PowerPCCPU *cpu, sPAPRMachineState *sm,
522                               uint32_t token,
523                               uint32_t nargs, target_ulong args,
524                               uint32_t nret, target_ulong rets);
525 void spapr_rtas_register(int token, const char *name, spapr_rtas_fn fn);
526 target_ulong spapr_rtas_call(PowerPCCPU *cpu, sPAPRMachineState *sm,
527                              uint32_t token, uint32_t nargs, target_ulong args,
528                              uint32_t nret, target_ulong rets);
529 int spapr_rtas_device_tree_setup(void *fdt, hwaddr rtas_addr,
530                                  hwaddr rtas_size);
531 
532 #define SPAPR_TCE_PAGE_SHIFT   12
533 #define SPAPR_TCE_PAGE_SIZE    (1ULL << SPAPR_TCE_PAGE_SHIFT)
534 #define SPAPR_TCE_PAGE_MASK    (SPAPR_TCE_PAGE_SIZE - 1)
535 
536 #define SPAPR_VIO_BASE_LIOBN    0x00000000
537 #define SPAPR_VIO_LIOBN(reg)    (0x00000000 | (reg))
538 #define SPAPR_PCI_LIOBN(phb_index, window_num) \
539     (0x80000000 | ((phb_index) << 8) | (window_num))
540 #define SPAPR_IS_PCI_LIOBN(liobn)   (!!((liobn) & 0x80000000))
541 #define SPAPR_PCI_DMA_WINDOW_NUM(liobn) ((liobn) & 0xff)
542 
543 #define RTAS_ERROR_LOG_MAX      2048
544 
545 #define RTAS_EVENT_SCAN_RATE    1
546 
547 typedef struct sPAPRTCETable sPAPRTCETable;
548 
549 #define TYPE_SPAPR_TCE_TABLE "spapr-tce-table"
550 #define SPAPR_TCE_TABLE(obj) \
551     OBJECT_CHECK(sPAPRTCETable, (obj), TYPE_SPAPR_TCE_TABLE)
552 
553 struct sPAPRTCETable {
554     DeviceState parent;
555     uint32_t liobn;
556     uint32_t nb_table;
557     uint64_t bus_offset;
558     uint32_t page_shift;
559     uint64_t *table;
560     bool bypass;
561     bool vfio_accel;
562     int fd;
563     MemoryRegion iommu;
564     struct VIOsPAPRDevice *vdev; /* for @bypass migration compatibility only */
565     QLIST_ENTRY(sPAPRTCETable) list;
566 };
567 
568 sPAPRTCETable *spapr_tce_find_by_liobn(target_ulong liobn);
569 
570 struct sPAPREventLogEntry {
571     int log_type;
572     bool exception;
573     void *data;
574     QTAILQ_ENTRY(sPAPREventLogEntry) next;
575 };
576 
577 void spapr_events_init(sPAPRMachineState *sm);
578 void spapr_events_fdt_skel(void *fdt, uint32_t epow_irq);
579 int spapr_h_cas_compose_response(sPAPRMachineState *sm,
580                                  target_ulong addr, target_ulong size);
581 sPAPRTCETable *spapr_tce_new_table(DeviceState *owner, uint32_t liobn,
582                                    uint64_t bus_offset,
583                                    uint32_t page_shift,
584                                    uint32_t nb_table,
585                                    bool vfio_accel);
586 MemoryRegion *spapr_tce_get_iommu(sPAPRTCETable *tcet);
587 int spapr_dma_dt(void *fdt, int node_off, const char *propname,
588                  uint32_t liobn, uint64_t window, uint32_t size);
589 int spapr_tcet_dma_dt(void *fdt, int node_off, const char *propname,
590                       sPAPRTCETable *tcet);
591 void spapr_pci_switch_vga(bool big_endian);
592 void spapr_hotplug_req_add_event(sPAPRDRConnector *drc);
593 void spapr_hotplug_req_remove_event(sPAPRDRConnector *drc);
594 
595 /* rtas-configure-connector state */
596 struct sPAPRConfigureConnectorState {
597     uint32_t drc_index;
598     int fdt_offset;
599     int fdt_depth;
600     QTAILQ_ENTRY(sPAPRConfigureConnectorState) next;
601 };
602 
603 void spapr_ccs_reset_hook(void *opaque);
604 
605 #define TYPE_SPAPR_RTC "spapr-rtc"
606 
607 void spapr_rtc_read(DeviceState *dev, struct tm *tm, uint32_t *ns);
608 int spapr_rtc_import_offset(DeviceState *dev, int64_t legacy_offset);
609 
610 #define SPAPR_MEMORY_BLOCK_SIZE (1 << 28) /* 256MB */
611 
612 #endif /* !defined (__HW_SPAPR_H__) */
613