xref: /openbmc/qemu/include/hw/ppc/spapr.h (revision bfb27e60)
1 #if !defined(__HW_SPAPR_H__)
2 #define __HW_SPAPR_H__
3 
4 #include "sysemu/dma.h"
5 #include "hw/ppc/xics.h"
6 
7 struct VIOsPAPRBus;
8 struct sPAPRPHBState;
9 struct sPAPRNVRAM;
10 
11 #define HPTE64_V_HPTE_DIRTY     0x0000000000000040ULL
12 
13 typedef struct sPAPREnvironment {
14     struct VIOsPAPRBus *vio_bus;
15     QLIST_HEAD(, sPAPRPHBState) phbs;
16     struct sPAPRNVRAM *nvram;
17     XICSState *icp;
18 
19     hwaddr ram_limit;
20     void *htab;
21     uint32_t htab_shift;
22     hwaddr rma_size;
23     int vrma_adjust;
24     hwaddr fdt_addr, rtas_addr;
25     ssize_t rtas_size;
26     void *rtas_blob;
27     void *fdt_skel;
28     target_ulong entry_point;
29     uint64_t rtc_offset;
30     struct PPCTimebase tb;
31     bool has_graphics;
32 
33     uint32_t epow_irq;
34     Notifier epow_notifier;
35 
36     /* Migration state */
37     int htab_save_index;
38     bool htab_first_pass;
39     int htab_fd;
40 } sPAPREnvironment;
41 
42 #define H_SUCCESS         0
43 #define H_BUSY            1        /* Hardware busy -- retry later */
44 #define H_CLOSED          2        /* Resource closed */
45 #define H_NOT_AVAILABLE   3
46 #define H_CONSTRAINED     4        /* Resource request constrained to max allowed */
47 #define H_PARTIAL         5
48 #define H_IN_PROGRESS     14       /* Kind of like busy */
49 #define H_PAGE_REGISTERED 15
50 #define H_PARTIAL_STORE   16
51 #define H_PENDING         17       /* returned from H_POLL_PENDING */
52 #define H_CONTINUE        18       /* Returned from H_Join on success */
53 #define H_LONG_BUSY_START_RANGE         9900  /* Start of long busy range */
54 #define H_LONG_BUSY_ORDER_1_MSEC        9900  /* Long busy, hint that 1msec \
55                                                  is a good time to retry */
56 #define H_LONG_BUSY_ORDER_10_MSEC       9901  /* Long busy, hint that 10msec \
57                                                  is a good time to retry */
58 #define H_LONG_BUSY_ORDER_100_MSEC      9902  /* Long busy, hint that 100msec \
59                                                  is a good time to retry */
60 #define H_LONG_BUSY_ORDER_1_SEC         9903  /* Long busy, hint that 1sec \
61                                                  is a good time to retry */
62 #define H_LONG_BUSY_ORDER_10_SEC        9904  /* Long busy, hint that 10sec \
63                                                  is a good time to retry */
64 #define H_LONG_BUSY_ORDER_100_SEC       9905  /* Long busy, hint that 100sec \
65                                                  is a good time to retry */
66 #define H_LONG_BUSY_END_RANGE           9905  /* End of long busy range */
67 #define H_HARDWARE        -1       /* Hardware error */
68 #define H_FUNCTION        -2       /* Function not supported */
69 #define H_PRIVILEGE       -3       /* Caller not privileged */
70 #define H_PARAMETER       -4       /* Parameter invalid, out-of-range or conflicting */
71 #define H_BAD_MODE        -5       /* Illegal msr value */
72 #define H_PTEG_FULL       -6       /* PTEG is full */
73 #define H_NOT_FOUND       -7       /* PTE was not found" */
74 #define H_RESERVED_DABR   -8       /* DABR address is reserved by the hypervisor on this processor" */
75 #define H_NO_MEM          -9
76 #define H_AUTHORITY       -10
77 #define H_PERMISSION      -11
78 #define H_DROPPED         -12
79 #define H_SOURCE_PARM     -13
80 #define H_DEST_PARM       -14
81 #define H_REMOTE_PARM     -15
82 #define H_RESOURCE        -16
83 #define H_ADAPTER_PARM    -17
84 #define H_RH_PARM         -18
85 #define H_RCQ_PARM        -19
86 #define H_SCQ_PARM        -20
87 #define H_EQ_PARM         -21
88 #define H_RT_PARM         -22
89 #define H_ST_PARM         -23
90 #define H_SIGT_PARM       -24
91 #define H_TOKEN_PARM      -25
92 #define H_MLENGTH_PARM    -27
93 #define H_MEM_PARM        -28
94 #define H_MEM_ACCESS_PARM -29
95 #define H_ATTR_PARM       -30
96 #define H_PORT_PARM       -31
97 #define H_MCG_PARM        -32
98 #define H_VL_PARM         -33
99 #define H_TSIZE_PARM      -34
100 #define H_TRACE_PARM      -35
101 
102 #define H_MASK_PARM       -37
103 #define H_MCG_FULL        -38
104 #define H_ALIAS_EXIST     -39
105 #define H_P_COUNTER       -40
106 #define H_TABLE_FULL      -41
107 #define H_ALT_TABLE       -42
108 #define H_MR_CONDITION    -43
109 #define H_NOT_ENOUGH_RESOURCES -44
110 #define H_R_STATE         -45
111 #define H_RESCINDEND      -46
112 #define H_P2              -55
113 #define H_P3              -56
114 #define H_P4              -57
115 #define H_P5              -58
116 #define H_P6              -59
117 #define H_P7              -60
118 #define H_P8              -61
119 #define H_P9              -62
120 #define H_UNSUPPORTED_FLAG -256
121 #define H_MULTI_THREADS_ACTIVE -9005
122 
123 
124 /* Long Busy is a condition that can be returned by the firmware
125  * when a call cannot be completed now, but the identical call
126  * should be retried later.  This prevents calls blocking in the
127  * firmware for long periods of time.  Annoyingly the firmware can return
128  * a range of return codes, hinting at how long we should wait before
129  * retrying.  If you don't care for the hint, the macro below is a good
130  * way to check for the long_busy return codes
131  */
132 #define H_IS_LONG_BUSY(x)  ((x >= H_LONG_BUSY_START_RANGE) \
133                             && (x <= H_LONG_BUSY_END_RANGE))
134 
135 /* Flags */
136 #define H_LARGE_PAGE      (1ULL<<(63-16))
137 #define H_EXACT           (1ULL<<(63-24))       /* Use exact PTE or return H_PTEG_FULL */
138 #define H_R_XLATE         (1ULL<<(63-25))       /* include a valid logical page num in the pte if the valid bit is set */
139 #define H_READ_4          (1ULL<<(63-26))       /* Return 4 PTEs */
140 #define H_PAGE_STATE_CHANGE (1ULL<<(63-28))
141 #define H_PAGE_UNUSED     ((1ULL<<(63-29)) | (1ULL<<(63-30)))
142 #define H_PAGE_SET_UNUSED (H_PAGE_STATE_CHANGE | H_PAGE_UNUSED)
143 #define H_PAGE_SET_LOANED (H_PAGE_SET_UNUSED | (1ULL<<(63-31)))
144 #define H_PAGE_SET_ACTIVE H_PAGE_STATE_CHANGE
145 #define H_AVPN            (1ULL<<(63-32))       /* An avpn is provided as a sanity test */
146 #define H_ANDCOND         (1ULL<<(63-33))
147 #define H_ICACHE_INVALIDATE (1ULL<<(63-40))     /* icbi, etc.  (ignored for IO pages) */
148 #define H_ICACHE_SYNCHRONIZE (1ULL<<(63-41))    /* dcbst, icbi, etc (ignored for IO pages */
149 #define H_ZERO_PAGE       (1ULL<<(63-48))       /* zero the page before mapping (ignored for IO pages) */
150 #define H_COPY_PAGE       (1ULL<<(63-49))
151 #define H_N               (1ULL<<(63-61))
152 #define H_PP1             (1ULL<<(63-62))
153 #define H_PP2             (1ULL<<(63-63))
154 
155 /* Values for 2nd argument to H_SET_MODE */
156 #define H_SET_MODE_RESOURCE_SET_CIABR           1
157 #define H_SET_MODE_RESOURCE_SET_DAWR            2
158 #define H_SET_MODE_RESOURCE_ADDR_TRANS_MODE     3
159 #define H_SET_MODE_RESOURCE_LE                  4
160 
161 /* Flags for H_SET_MODE_RESOURCE_LE */
162 #define H_SET_MODE_ENDIAN_BIG    0
163 #define H_SET_MODE_ENDIAN_LITTLE 1
164 
165 /* Flags for H_SET_MODE_RESOURCE_ADDR_TRANS_MODE */
166 #define H_SET_MODE_ADDR_TRANS_NONE                  0
167 #define H_SET_MODE_ADDR_TRANS_0001_8000             2
168 #define H_SET_MODE_ADDR_TRANS_C000_0000_0000_4000   3
169 
170 /* VASI States */
171 #define H_VASI_INVALID    0
172 #define H_VASI_ENABLED    1
173 #define H_VASI_ABORTED    2
174 #define H_VASI_SUSPENDING 3
175 #define H_VASI_SUSPENDED  4
176 #define H_VASI_RESUMED    5
177 #define H_VASI_COMPLETED  6
178 
179 /* DABRX flags */
180 #define H_DABRX_HYPERVISOR (1ULL<<(63-61))
181 #define H_DABRX_KERNEL     (1ULL<<(63-62))
182 #define H_DABRX_USER       (1ULL<<(63-63))
183 
184 /* Each control block has to be on a 4K boundary */
185 #define H_CB_ALIGNMENT     4096
186 
187 /* pSeries hypervisor opcodes */
188 #define H_REMOVE                0x04
189 #define H_ENTER                 0x08
190 #define H_READ                  0x0c
191 #define H_CLEAR_MOD             0x10
192 #define H_CLEAR_REF             0x14
193 #define H_PROTECT               0x18
194 #define H_GET_TCE               0x1c
195 #define H_PUT_TCE               0x20
196 #define H_SET_SPRG0             0x24
197 #define H_SET_DABR              0x28
198 #define H_PAGE_INIT             0x2c
199 #define H_SET_ASR               0x30
200 #define H_ASR_ON                0x34
201 #define H_ASR_OFF               0x38
202 #define H_LOGICAL_CI_LOAD       0x3c
203 #define H_LOGICAL_CI_STORE      0x40
204 #define H_LOGICAL_CACHE_LOAD    0x44
205 #define H_LOGICAL_CACHE_STORE   0x48
206 #define H_LOGICAL_ICBI          0x4c
207 #define H_LOGICAL_DCBF          0x50
208 #define H_GET_TERM_CHAR         0x54
209 #define H_PUT_TERM_CHAR         0x58
210 #define H_REAL_TO_LOGICAL       0x5c
211 #define H_HYPERVISOR_DATA       0x60
212 #define H_EOI                   0x64
213 #define H_CPPR                  0x68
214 #define H_IPI                   0x6c
215 #define H_IPOLL                 0x70
216 #define H_XIRR                  0x74
217 #define H_PERFMON               0x7c
218 #define H_MIGRATE_DMA           0x78
219 #define H_REGISTER_VPA          0xDC
220 #define H_CEDE                  0xE0
221 #define H_CONFER                0xE4
222 #define H_PROD                  0xE8
223 #define H_GET_PPP               0xEC
224 #define H_SET_PPP               0xF0
225 #define H_PURR                  0xF4
226 #define H_PIC                   0xF8
227 #define H_REG_CRQ               0xFC
228 #define H_FREE_CRQ              0x100
229 #define H_VIO_SIGNAL            0x104
230 #define H_SEND_CRQ              0x108
231 #define H_COPY_RDMA             0x110
232 #define H_REGISTER_LOGICAL_LAN  0x114
233 #define H_FREE_LOGICAL_LAN      0x118
234 #define H_ADD_LOGICAL_LAN_BUFFER 0x11C
235 #define H_SEND_LOGICAL_LAN      0x120
236 #define H_BULK_REMOVE           0x124
237 #define H_MULTICAST_CTRL        0x130
238 #define H_SET_XDABR             0x134
239 #define H_STUFF_TCE             0x138
240 #define H_PUT_TCE_INDIRECT      0x13C
241 #define H_CHANGE_LOGICAL_LAN_MAC 0x14C
242 #define H_VTERM_PARTNER_INFO    0x150
243 #define H_REGISTER_VTERM        0x154
244 #define H_FREE_VTERM            0x158
245 #define H_RESET_EVENTS          0x15C
246 #define H_ALLOC_RESOURCE        0x160
247 #define H_FREE_RESOURCE         0x164
248 #define H_MODIFY_QP             0x168
249 #define H_QUERY_QP              0x16C
250 #define H_REREGISTER_PMR        0x170
251 #define H_REGISTER_SMR          0x174
252 #define H_QUERY_MR              0x178
253 #define H_QUERY_MW              0x17C
254 #define H_QUERY_HCA             0x180
255 #define H_QUERY_PORT            0x184
256 #define H_MODIFY_PORT           0x188
257 #define H_DEFINE_AQP1           0x18C
258 #define H_GET_TRACE_BUFFER      0x190
259 #define H_DEFINE_AQP0           0x194
260 #define H_RESIZE_MR             0x198
261 #define H_ATTACH_MCQP           0x19C
262 #define H_DETACH_MCQP           0x1A0
263 #define H_CREATE_RPT            0x1A4
264 #define H_REMOVE_RPT            0x1A8
265 #define H_REGISTER_RPAGES       0x1AC
266 #define H_DISABLE_AND_GETC      0x1B0
267 #define H_ERROR_DATA            0x1B4
268 #define H_GET_HCA_INFO          0x1B8
269 #define H_GET_PERF_COUNT        0x1BC
270 #define H_MANAGE_TRACE          0x1C0
271 #define H_FREE_LOGICAL_LAN_BUFFER 0x1D4
272 #define H_QUERY_INT_STATE       0x1E4
273 #define H_POLL_PENDING          0x1D8
274 #define H_ILLAN_ATTRIBUTES      0x244
275 #define H_MODIFY_HEA_QP         0x250
276 #define H_QUERY_HEA_QP          0x254
277 #define H_QUERY_HEA             0x258
278 #define H_QUERY_HEA_PORT        0x25C
279 #define H_MODIFY_HEA_PORT       0x260
280 #define H_REG_BCMC              0x264
281 #define H_DEREG_BCMC            0x268
282 #define H_REGISTER_HEA_RPAGES   0x26C
283 #define H_DISABLE_AND_GET_HEA   0x270
284 #define H_GET_HEA_INFO          0x274
285 #define H_ALLOC_HEA_RESOURCE    0x278
286 #define H_ADD_CONN              0x284
287 #define H_DEL_CONN              0x288
288 #define H_JOIN                  0x298
289 #define H_VASI_STATE            0x2A4
290 #define H_ENABLE_CRQ            0x2B0
291 #define H_GET_EM_PARMS          0x2B8
292 #define H_SET_MPP               0x2D0
293 #define H_GET_MPP               0x2D4
294 #define H_XIRR_X                0x2FC
295 #define H_SET_MODE              0x31C
296 #define MAX_HCALL_OPCODE        H_SET_MODE
297 
298 /* The hcalls above are standardized in PAPR and implemented by pHyp
299  * as well.
300  *
301  * We also need some hcalls which are specific to qemu / KVM-on-POWER.
302  * So far we just need one for H_RTAS, but in future we'll need more
303  * for extensions like virtio.  We put those into the 0xf000-0xfffc
304  * range which is reserved by PAPR for "platform-specific" hcalls.
305  */
306 #define KVMPPC_HCALL_BASE       0xf000
307 #define KVMPPC_H_RTAS           (KVMPPC_HCALL_BASE + 0x0)
308 #define KVMPPC_H_LOGICAL_MEMOP  (KVMPPC_HCALL_BASE + 0x1)
309 /* Client Architecture support */
310 #define KVMPPC_H_CAS            (KVMPPC_HCALL_BASE + 0x2)
311 #define KVMPPC_HCALL_MAX        KVMPPC_H_CAS
312 
313 extern sPAPREnvironment *spapr;
314 
315 typedef struct sPAPRDeviceTreeUpdateHeader {
316     uint32_t version_id;
317 } sPAPRDeviceTreeUpdateHeader;
318 
319 /*#define DEBUG_SPAPR_HCALLS*/
320 
321 #ifdef DEBUG_SPAPR_HCALLS
322 #define hcall_dprintf(fmt, ...) \
323     do { fprintf(stderr, "%s: " fmt, __func__, ## __VA_ARGS__); } while (0)
324 #else
325 #define hcall_dprintf(fmt, ...) \
326     do { } while (0)
327 #endif
328 
329 typedef target_ulong (*spapr_hcall_fn)(PowerPCCPU *cpu, sPAPREnvironment *spapr,
330                                        target_ulong opcode,
331                                        target_ulong *args);
332 
333 void spapr_register_hypercall(target_ulong opcode, spapr_hcall_fn fn);
334 target_ulong spapr_hypercall(PowerPCCPU *cpu, target_ulong opcode,
335                              target_ulong *args);
336 
337 int spapr_allocate_irq(int hint, bool lsi);
338 int spapr_allocate_irq_block(int num, bool lsi, bool msi);
339 
340 /* RTAS return codes */
341 #define RTAS_OUT_SUCCESS            0
342 #define RTAS_OUT_NO_ERRORS_FOUND    1
343 #define RTAS_OUT_HW_ERROR           -1
344 #define RTAS_OUT_BUSY               -2
345 #define RTAS_OUT_PARAM_ERROR        -3
346 #define RTAS_OUT_NOT_SUPPORTED      -3
347 #define RTAS_OUT_NOT_AUTHORIZED     -9002
348 
349 /* RTAS tokens */
350 #define RTAS_TOKEN_BASE      0x2000
351 
352 #define RTAS_DISPLAY_CHARACTER                  (RTAS_TOKEN_BASE + 0x00)
353 #define RTAS_GET_TIME_OF_DAY                    (RTAS_TOKEN_BASE + 0x01)
354 #define RTAS_SET_TIME_OF_DAY                    (RTAS_TOKEN_BASE + 0x02)
355 #define RTAS_POWER_OFF                          (RTAS_TOKEN_BASE + 0x03)
356 #define RTAS_SYSTEM_REBOOT                      (RTAS_TOKEN_BASE + 0x04)
357 #define RTAS_QUERY_CPU_STOPPED_STATE            (RTAS_TOKEN_BASE + 0x05)
358 #define RTAS_START_CPU                          (RTAS_TOKEN_BASE + 0x06)
359 #define RTAS_STOP_SELF                          (RTAS_TOKEN_BASE + 0x07)
360 #define RTAS_IBM_GET_SYSTEM_PARAMETER           (RTAS_TOKEN_BASE + 0x08)
361 #define RTAS_IBM_SET_SYSTEM_PARAMETER           (RTAS_TOKEN_BASE + 0x09)
362 #define RTAS_IBM_SET_XIVE                       (RTAS_TOKEN_BASE + 0x0A)
363 #define RTAS_IBM_GET_XIVE                       (RTAS_TOKEN_BASE + 0x0B)
364 #define RTAS_IBM_INT_OFF                        (RTAS_TOKEN_BASE + 0x0C)
365 #define RTAS_IBM_INT_ON                         (RTAS_TOKEN_BASE + 0x0D)
366 #define RTAS_CHECK_EXCEPTION                    (RTAS_TOKEN_BASE + 0x0E)
367 #define RTAS_EVENT_SCAN                         (RTAS_TOKEN_BASE + 0x0F)
368 #define RTAS_IBM_SET_TCE_BYPASS                 (RTAS_TOKEN_BASE + 0x10)
369 #define RTAS_QUIESCE                            (RTAS_TOKEN_BASE + 0x11)
370 #define RTAS_NVRAM_FETCH                        (RTAS_TOKEN_BASE + 0x12)
371 #define RTAS_NVRAM_STORE                        (RTAS_TOKEN_BASE + 0x13)
372 #define RTAS_READ_PCI_CONFIG                    (RTAS_TOKEN_BASE + 0x14)
373 #define RTAS_WRITE_PCI_CONFIG                   (RTAS_TOKEN_BASE + 0x15)
374 #define RTAS_IBM_READ_PCI_CONFIG                (RTAS_TOKEN_BASE + 0x16)
375 #define RTAS_IBM_WRITE_PCI_CONFIG               (RTAS_TOKEN_BASE + 0x17)
376 #define RTAS_IBM_QUERY_INTERRUPT_SOURCE_NUMBER  (RTAS_TOKEN_BASE + 0x18)
377 #define RTAS_IBM_CHANGE_MSI                     (RTAS_TOKEN_BASE + 0x19)
378 #define RTAS_SET_INDICATOR                      (RTAS_TOKEN_BASE + 0x1A)
379 #define RTAS_SET_POWER_LEVEL                    (RTAS_TOKEN_BASE + 0x1B)
380 #define RTAS_GET_POWER_LEVEL                    (RTAS_TOKEN_BASE + 0x1C)
381 #define RTAS_GET_SENSOR_STATE                   (RTAS_TOKEN_BASE + 0x1D)
382 #define RTAS_IBM_CONFIGURE_CONNECTOR            (RTAS_TOKEN_BASE + 0x1E)
383 #define RTAS_IBM_OS_TERM                        (RTAS_TOKEN_BASE + 0x1F)
384 
385 #define RTAS_TOKEN_MAX                          (RTAS_TOKEN_BASE + 0x20)
386 
387 /* RTAS ibm,get-system-parameter token values */
388 #define RTAS_SYSPARM_SPLPAR_CHARACTERISTICS      20
389 #define RTAS_SYSPARM_DIAGNOSTICS_RUN_MODE        42
390 #define RTAS_SYSPARM_UUID                        48
391 
392 /* Possible values for the platform-processor-diagnostics-run-mode parameter
393  * of the RTAS ibm,get-system-parameter call.
394  */
395 #define DIAGNOSTICS_RUN_MODE_DISABLED  0
396 #define DIAGNOSTICS_RUN_MODE_STAGGERED 1
397 #define DIAGNOSTICS_RUN_MODE_IMMEDIATE 2
398 #define DIAGNOSTICS_RUN_MODE_PERIODIC  3
399 
400 static inline uint64_t ppc64_phys_to_real(uint64_t addr)
401 {
402     return addr & ~0xF000000000000000ULL;
403 }
404 
405 static inline uint32_t rtas_ld(target_ulong phys, int n)
406 {
407     return ldl_be_phys(&address_space_memory, ppc64_phys_to_real(phys + 4*n));
408 }
409 
410 static inline void rtas_st(target_ulong phys, int n, uint32_t val)
411 {
412     stl_be_phys(&address_space_memory, ppc64_phys_to_real(phys + 4*n), val);
413 }
414 
415 
416 static inline void rtas_st_buffer(target_ulong phys, target_ulong phys_len,
417                                   uint8_t *buffer, uint16_t buffer_len)
418 {
419     if (phys_len < 2) {
420         return;
421     }
422     stw_be_phys(&address_space_memory,
423                 ppc64_phys_to_real(phys), buffer_len);
424     cpu_physical_memory_write(ppc64_phys_to_real(phys + 2),
425                               buffer, MIN(buffer_len, phys_len - 2));
426 }
427 
428 typedef void (*spapr_rtas_fn)(PowerPCCPU *cpu, sPAPREnvironment *spapr,
429                               uint32_t token,
430                               uint32_t nargs, target_ulong args,
431                               uint32_t nret, target_ulong rets);
432 void spapr_rtas_register(int token, const char *name, spapr_rtas_fn fn);
433 target_ulong spapr_rtas_call(PowerPCCPU *cpu, sPAPREnvironment *spapr,
434                              uint32_t token, uint32_t nargs, target_ulong args,
435                              uint32_t nret, target_ulong rets);
436 int spapr_rtas_device_tree_setup(void *fdt, hwaddr rtas_addr,
437                                  hwaddr rtas_size);
438 
439 #define SPAPR_TCE_PAGE_SHIFT   12
440 #define SPAPR_TCE_PAGE_SIZE    (1ULL << SPAPR_TCE_PAGE_SHIFT)
441 #define SPAPR_TCE_PAGE_MASK    (SPAPR_TCE_PAGE_SIZE - 1)
442 
443 #define SPAPR_VIO_BASE_LIOBN    0x00000000
444 #define SPAPR_PCI_BASE_LIOBN    0x80000000
445 
446 #define RTAS_ERROR_LOG_MAX      2048
447 
448 typedef struct sPAPRTCETable sPAPRTCETable;
449 
450 #define TYPE_SPAPR_TCE_TABLE "spapr-tce-table"
451 #define SPAPR_TCE_TABLE(obj) \
452     OBJECT_CHECK(sPAPRTCETable, (obj), TYPE_SPAPR_TCE_TABLE)
453 
454 struct sPAPRTCETable {
455     DeviceState parent;
456     uint32_t liobn;
457     uint32_t nb_table;
458     uint64_t bus_offset;
459     uint32_t page_shift;
460     uint64_t *table;
461     bool bypass;
462     bool vfio_accel;
463     int fd;
464     MemoryRegion iommu;
465     QLIST_ENTRY(sPAPRTCETable) list;
466 };
467 
468 void spapr_events_init(sPAPREnvironment *spapr);
469 void spapr_events_fdt_skel(void *fdt, uint32_t epow_irq);
470 int spapr_h_cas_compose_response(target_ulong addr, target_ulong size);
471 sPAPRTCETable *spapr_tce_new_table(DeviceState *owner, uint32_t liobn,
472                                    uint64_t bus_offset,
473                                    uint32_t page_shift,
474                                    uint32_t nb_table,
475                                    bool vfio_accel);
476 MemoryRegion *spapr_tce_get_iommu(sPAPRTCETable *tcet);
477 void spapr_tce_set_bypass(sPAPRTCETable *tcet, bool bypass);
478 int spapr_dma_dt(void *fdt, int node_off, const char *propname,
479                  uint32_t liobn, uint64_t window, uint32_t size);
480 int spapr_tcet_dma_dt(void *fdt, int node_off, const char *propname,
481                       sPAPRTCETable *tcet);
482 
483 #endif /* !defined (__HW_SPAPR_H__) */
484