xref: /openbmc/qemu/include/hw/ppc/spapr.h (revision 9a48e367)
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 #include "hw/mem/pc-dimm.h"
9 
10 struct VIOsPAPRBus;
11 struct sPAPRPHBState;
12 struct sPAPRNVRAM;
13 typedef struct sPAPRConfigureConnectorState sPAPRConfigureConnectorState;
14 typedef struct sPAPREventLogEntry sPAPREventLogEntry;
15 
16 #define HPTE64_V_HPTE_DIRTY     0x0000000000000040ULL
17 #define SPAPR_ENTRY_POINT       0x100
18 
19 #define SPAPR_TIMEBASE_FREQ     512000000ULL
20 
21 typedef struct sPAPRMachineClass sPAPRMachineClass;
22 typedef struct sPAPRMachineState sPAPRMachineState;
23 
24 #define TYPE_SPAPR_MACHINE      "spapr-machine"
25 #define SPAPR_MACHINE(obj) \
26     OBJECT_CHECK(sPAPRMachineState, (obj), TYPE_SPAPR_MACHINE)
27 #define SPAPR_MACHINE_GET_CLASS(obj) \
28     OBJECT_GET_CLASS(sPAPRMachineClass, obj, TYPE_SPAPR_MACHINE)
29 #define SPAPR_MACHINE_CLASS(klass) \
30     OBJECT_CLASS_CHECK(sPAPRMachineClass, klass, TYPE_SPAPR_MACHINE)
31 
32 /**
33  * sPAPRMachineClass:
34  */
35 struct sPAPRMachineClass {
36     /*< private >*/
37     MachineClass parent_class;
38 
39     /*< public >*/
40     bool dr_lmb_enabled;       /* enable dynamic-reconfig/hotplug of LMBs */
41     bool dr_cpu_enabled;       /* enable dynamic-reconfig/hotplug of CPUs */
42     bool use_ohci_by_default;  /* use USB-OHCI instead of XHCI */
43 };
44 
45 /**
46  * sPAPRMachineState:
47  */
48 struct sPAPRMachineState {
49     /*< private >*/
50     MachineState parent_obj;
51 
52     struct VIOsPAPRBus *vio_bus;
53     QLIST_HEAD(, sPAPRPHBState) phbs;
54     struct sPAPRNVRAM *nvram;
55     XICSState *xics;
56     DeviceState *rtc;
57 
58     void *htab;
59     uint32_t htab_shift;
60     hwaddr rma_size;
61     int vrma_adjust;
62     hwaddr fdt_addr, rtas_addr;
63     ssize_t rtas_size;
64     void *rtas_blob;
65     void *fdt_skel;
66     uint64_t rtc_offset; /* Now used only during incoming migration */
67     struct PPCTimebase tb;
68     bool has_graphics;
69 
70     uint32_t check_exception_irq;
71     Notifier epow_notifier;
72     QTAILQ_HEAD(, sPAPREventLogEntry) pending_events;
73 
74     /* Migration state */
75     int htab_save_index;
76     bool htab_first_pass;
77     int htab_fd;
78 
79     /* RTAS state */
80     QTAILQ_HEAD(, sPAPRConfigureConnectorState) ccs_list;
81 
82     /*< public >*/
83     char *kvm_type;
84     MemoryHotplugState hotplug_memory;
85     Object **cores;
86 };
87 
88 #define H_SUCCESS         0
89 #define H_BUSY            1        /* Hardware busy -- retry later */
90 #define H_CLOSED          2        /* Resource closed */
91 #define H_NOT_AVAILABLE   3
92 #define H_CONSTRAINED     4        /* Resource request constrained to max allowed */
93 #define H_PARTIAL         5
94 #define H_IN_PROGRESS     14       /* Kind of like busy */
95 #define H_PAGE_REGISTERED 15
96 #define H_PARTIAL_STORE   16
97 #define H_PENDING         17       /* returned from H_POLL_PENDING */
98 #define H_CONTINUE        18       /* Returned from H_Join on success */
99 #define H_LONG_BUSY_START_RANGE         9900  /* Start of long busy range */
100 #define H_LONG_BUSY_ORDER_1_MSEC        9900  /* Long busy, hint that 1msec \
101                                                  is a good time to retry */
102 #define H_LONG_BUSY_ORDER_10_MSEC       9901  /* Long busy, hint that 10msec \
103                                                  is a good time to retry */
104 #define H_LONG_BUSY_ORDER_100_MSEC      9902  /* Long busy, hint that 100msec \
105                                                  is a good time to retry */
106 #define H_LONG_BUSY_ORDER_1_SEC         9903  /* Long busy, hint that 1sec \
107                                                  is a good time to retry */
108 #define H_LONG_BUSY_ORDER_10_SEC        9904  /* Long busy, hint that 10sec \
109                                                  is a good time to retry */
110 #define H_LONG_BUSY_ORDER_100_SEC       9905  /* Long busy, hint that 100sec \
111                                                  is a good time to retry */
112 #define H_LONG_BUSY_END_RANGE           9905  /* End of long busy range */
113 #define H_HARDWARE        -1       /* Hardware error */
114 #define H_FUNCTION        -2       /* Function not supported */
115 #define H_PRIVILEGE       -3       /* Caller not privileged */
116 #define H_PARAMETER       -4       /* Parameter invalid, out-of-range or conflicting */
117 #define H_BAD_MODE        -5       /* Illegal msr value */
118 #define H_PTEG_FULL       -6       /* PTEG is full */
119 #define H_NOT_FOUND       -7       /* PTE was not found" */
120 #define H_RESERVED_DABR   -8       /* DABR address is reserved by the hypervisor on this processor" */
121 #define H_NO_MEM          -9
122 #define H_AUTHORITY       -10
123 #define H_PERMISSION      -11
124 #define H_DROPPED         -12
125 #define H_SOURCE_PARM     -13
126 #define H_DEST_PARM       -14
127 #define H_REMOTE_PARM     -15
128 #define H_RESOURCE        -16
129 #define H_ADAPTER_PARM    -17
130 #define H_RH_PARM         -18
131 #define H_RCQ_PARM        -19
132 #define H_SCQ_PARM        -20
133 #define H_EQ_PARM         -21
134 #define H_RT_PARM         -22
135 #define H_ST_PARM         -23
136 #define H_SIGT_PARM       -24
137 #define H_TOKEN_PARM      -25
138 #define H_MLENGTH_PARM    -27
139 #define H_MEM_PARM        -28
140 #define H_MEM_ACCESS_PARM -29
141 #define H_ATTR_PARM       -30
142 #define H_PORT_PARM       -31
143 #define H_MCG_PARM        -32
144 #define H_VL_PARM         -33
145 #define H_TSIZE_PARM      -34
146 #define H_TRACE_PARM      -35
147 
148 #define H_MASK_PARM       -37
149 #define H_MCG_FULL        -38
150 #define H_ALIAS_EXIST     -39
151 #define H_P_COUNTER       -40
152 #define H_TABLE_FULL      -41
153 #define H_ALT_TABLE       -42
154 #define H_MR_CONDITION    -43
155 #define H_NOT_ENOUGH_RESOURCES -44
156 #define H_R_STATE         -45
157 #define H_RESCINDEND      -46
158 #define H_P2              -55
159 #define H_P3              -56
160 #define H_P4              -57
161 #define H_P5              -58
162 #define H_P6              -59
163 #define H_P7              -60
164 #define H_P8              -61
165 #define H_P9              -62
166 #define H_UNSUPPORTED_FLAG -256
167 #define H_MULTI_THREADS_ACTIVE -9005
168 
169 
170 /* Long Busy is a condition that can be returned by the firmware
171  * when a call cannot be completed now, but the identical call
172  * should be retried later.  This prevents calls blocking in the
173  * firmware for long periods of time.  Annoyingly the firmware can return
174  * a range of return codes, hinting at how long we should wait before
175  * retrying.  If you don't care for the hint, the macro below is a good
176  * way to check for the long_busy return codes
177  */
178 #define H_IS_LONG_BUSY(x)  ((x >= H_LONG_BUSY_START_RANGE) \
179                             && (x <= H_LONG_BUSY_END_RANGE))
180 
181 /* Flags */
182 #define H_LARGE_PAGE      (1ULL<<(63-16))
183 #define H_EXACT           (1ULL<<(63-24))       /* Use exact PTE or return H_PTEG_FULL */
184 #define H_R_XLATE         (1ULL<<(63-25))       /* include a valid logical page num in the pte if the valid bit is set */
185 #define H_READ_4          (1ULL<<(63-26))       /* Return 4 PTEs */
186 #define H_PAGE_STATE_CHANGE (1ULL<<(63-28))
187 #define H_PAGE_UNUSED     ((1ULL<<(63-29)) | (1ULL<<(63-30)))
188 #define H_PAGE_SET_UNUSED (H_PAGE_STATE_CHANGE | H_PAGE_UNUSED)
189 #define H_PAGE_SET_LOANED (H_PAGE_SET_UNUSED | (1ULL<<(63-31)))
190 #define H_PAGE_SET_ACTIVE H_PAGE_STATE_CHANGE
191 #define H_AVPN            (1ULL<<(63-32))       /* An avpn is provided as a sanity test */
192 #define H_ANDCOND         (1ULL<<(63-33))
193 #define H_ICACHE_INVALIDATE (1ULL<<(63-40))     /* icbi, etc.  (ignored for IO pages) */
194 #define H_ICACHE_SYNCHRONIZE (1ULL<<(63-41))    /* dcbst, icbi, etc (ignored for IO pages */
195 #define H_ZERO_PAGE       (1ULL<<(63-48))       /* zero the page before mapping (ignored for IO pages) */
196 #define H_COPY_PAGE       (1ULL<<(63-49))
197 #define H_N               (1ULL<<(63-61))
198 #define H_PP1             (1ULL<<(63-62))
199 #define H_PP2             (1ULL<<(63-63))
200 
201 /* Values for 2nd argument to H_SET_MODE */
202 #define H_SET_MODE_RESOURCE_SET_CIABR           1
203 #define H_SET_MODE_RESOURCE_SET_DAWR            2
204 #define H_SET_MODE_RESOURCE_ADDR_TRANS_MODE     3
205 #define H_SET_MODE_RESOURCE_LE                  4
206 
207 /* Flags for H_SET_MODE_RESOURCE_LE */
208 #define H_SET_MODE_ENDIAN_BIG    0
209 #define H_SET_MODE_ENDIAN_LITTLE 1
210 
211 /* VASI States */
212 #define H_VASI_INVALID    0
213 #define H_VASI_ENABLED    1
214 #define H_VASI_ABORTED    2
215 #define H_VASI_SUSPENDING 3
216 #define H_VASI_SUSPENDED  4
217 #define H_VASI_RESUMED    5
218 #define H_VASI_COMPLETED  6
219 
220 /* DABRX flags */
221 #define H_DABRX_HYPERVISOR (1ULL<<(63-61))
222 #define H_DABRX_KERNEL     (1ULL<<(63-62))
223 #define H_DABRX_USER       (1ULL<<(63-63))
224 
225 /* Each control block has to be on a 4K boundary */
226 #define H_CB_ALIGNMENT     4096
227 
228 /* pSeries hypervisor opcodes */
229 #define H_REMOVE                0x04
230 #define H_ENTER                 0x08
231 #define H_READ                  0x0c
232 #define H_CLEAR_MOD             0x10
233 #define H_CLEAR_REF             0x14
234 #define H_PROTECT               0x18
235 #define H_GET_TCE               0x1c
236 #define H_PUT_TCE               0x20
237 #define H_SET_SPRG0             0x24
238 #define H_SET_DABR              0x28
239 #define H_PAGE_INIT             0x2c
240 #define H_SET_ASR               0x30
241 #define H_ASR_ON                0x34
242 #define H_ASR_OFF               0x38
243 #define H_LOGICAL_CI_LOAD       0x3c
244 #define H_LOGICAL_CI_STORE      0x40
245 #define H_LOGICAL_CACHE_LOAD    0x44
246 #define H_LOGICAL_CACHE_STORE   0x48
247 #define H_LOGICAL_ICBI          0x4c
248 #define H_LOGICAL_DCBF          0x50
249 #define H_GET_TERM_CHAR         0x54
250 #define H_PUT_TERM_CHAR         0x58
251 #define H_REAL_TO_LOGICAL       0x5c
252 #define H_HYPERVISOR_DATA       0x60
253 #define H_EOI                   0x64
254 #define H_CPPR                  0x68
255 #define H_IPI                   0x6c
256 #define H_IPOLL                 0x70
257 #define H_XIRR                  0x74
258 #define H_PERFMON               0x7c
259 #define H_MIGRATE_DMA           0x78
260 #define H_REGISTER_VPA          0xDC
261 #define H_CEDE                  0xE0
262 #define H_CONFER                0xE4
263 #define H_PROD                  0xE8
264 #define H_GET_PPP               0xEC
265 #define H_SET_PPP               0xF0
266 #define H_PURR                  0xF4
267 #define H_PIC                   0xF8
268 #define H_REG_CRQ               0xFC
269 #define H_FREE_CRQ              0x100
270 #define H_VIO_SIGNAL            0x104
271 #define H_SEND_CRQ              0x108
272 #define H_COPY_RDMA             0x110
273 #define H_REGISTER_LOGICAL_LAN  0x114
274 #define H_FREE_LOGICAL_LAN      0x118
275 #define H_ADD_LOGICAL_LAN_BUFFER 0x11C
276 #define H_SEND_LOGICAL_LAN      0x120
277 #define H_BULK_REMOVE           0x124
278 #define H_MULTICAST_CTRL        0x130
279 #define H_SET_XDABR             0x134
280 #define H_STUFF_TCE             0x138
281 #define H_PUT_TCE_INDIRECT      0x13C
282 #define H_CHANGE_LOGICAL_LAN_MAC 0x14C
283 #define H_VTERM_PARTNER_INFO    0x150
284 #define H_REGISTER_VTERM        0x154
285 #define H_FREE_VTERM            0x158
286 #define H_RESET_EVENTS          0x15C
287 #define H_ALLOC_RESOURCE        0x160
288 #define H_FREE_RESOURCE         0x164
289 #define H_MODIFY_QP             0x168
290 #define H_QUERY_QP              0x16C
291 #define H_REREGISTER_PMR        0x170
292 #define H_REGISTER_SMR          0x174
293 #define H_QUERY_MR              0x178
294 #define H_QUERY_MW              0x17C
295 #define H_QUERY_HCA             0x180
296 #define H_QUERY_PORT            0x184
297 #define H_MODIFY_PORT           0x188
298 #define H_DEFINE_AQP1           0x18C
299 #define H_GET_TRACE_BUFFER      0x190
300 #define H_DEFINE_AQP0           0x194
301 #define H_RESIZE_MR             0x198
302 #define H_ATTACH_MCQP           0x19C
303 #define H_DETACH_MCQP           0x1A0
304 #define H_CREATE_RPT            0x1A4
305 #define H_REMOVE_RPT            0x1A8
306 #define H_REGISTER_RPAGES       0x1AC
307 #define H_DISABLE_AND_GETC      0x1B0
308 #define H_ERROR_DATA            0x1B4
309 #define H_GET_HCA_INFO          0x1B8
310 #define H_GET_PERF_COUNT        0x1BC
311 #define H_MANAGE_TRACE          0x1C0
312 #define H_FREE_LOGICAL_LAN_BUFFER 0x1D4
313 #define H_QUERY_INT_STATE       0x1E4
314 #define H_POLL_PENDING          0x1D8
315 #define H_ILLAN_ATTRIBUTES      0x244
316 #define H_MODIFY_HEA_QP         0x250
317 #define H_QUERY_HEA_QP          0x254
318 #define H_QUERY_HEA             0x258
319 #define H_QUERY_HEA_PORT        0x25C
320 #define H_MODIFY_HEA_PORT       0x260
321 #define H_REG_BCMC              0x264
322 #define H_DEREG_BCMC            0x268
323 #define H_REGISTER_HEA_RPAGES   0x26C
324 #define H_DISABLE_AND_GET_HEA   0x270
325 #define H_GET_HEA_INFO          0x274
326 #define H_ALLOC_HEA_RESOURCE    0x278
327 #define H_ADD_CONN              0x284
328 #define H_DEL_CONN              0x288
329 #define H_JOIN                  0x298
330 #define H_VASI_STATE            0x2A4
331 #define H_ENABLE_CRQ            0x2B0
332 #define H_GET_EM_PARMS          0x2B8
333 #define H_SET_MPP               0x2D0
334 #define H_GET_MPP               0x2D4
335 #define H_XIRR_X                0x2FC
336 #define H_RANDOM                0x300
337 #define H_SET_MODE              0x31C
338 #define MAX_HCALL_OPCODE        H_SET_MODE
339 
340 /* The hcalls above are standardized in PAPR and implemented by pHyp
341  * as well.
342  *
343  * We also need some hcalls which are specific to qemu / KVM-on-POWER.
344  * So far we just need one for H_RTAS, but in future we'll need more
345  * for extensions like virtio.  We put those into the 0xf000-0xfffc
346  * range which is reserved by PAPR for "platform-specific" hcalls.
347  */
348 #define KVMPPC_HCALL_BASE       0xf000
349 #define KVMPPC_H_RTAS           (KVMPPC_HCALL_BASE + 0x0)
350 #define KVMPPC_H_LOGICAL_MEMOP  (KVMPPC_HCALL_BASE + 0x1)
351 /* Client Architecture support */
352 #define KVMPPC_H_CAS            (KVMPPC_HCALL_BASE + 0x2)
353 #define KVMPPC_HCALL_MAX        KVMPPC_H_CAS
354 
355 typedef struct sPAPRDeviceTreeUpdateHeader {
356     uint32_t version_id;
357 } sPAPRDeviceTreeUpdateHeader;
358 
359 #define hcall_dprintf(fmt, ...) \
360     do { \
361         qemu_log_mask(LOG_GUEST_ERROR, "%s: " fmt, __func__, ## __VA_ARGS__); \
362     } while (0)
363 
364 typedef target_ulong (*spapr_hcall_fn)(PowerPCCPU *cpu, sPAPRMachineState *sm,
365                                        target_ulong opcode,
366                                        target_ulong *args);
367 
368 void spapr_register_hypercall(target_ulong opcode, spapr_hcall_fn fn);
369 target_ulong spapr_hypercall(PowerPCCPU *cpu, target_ulong opcode,
370                              target_ulong *args);
371 
372 int spapr_allocate_irq(int hint, bool lsi);
373 int spapr_allocate_irq_block(int num, bool lsi, bool msi);
374 
375 /* ibm,set-eeh-option */
376 #define RTAS_EEH_DISABLE                 0
377 #define RTAS_EEH_ENABLE                  1
378 #define RTAS_EEH_THAW_IO                 2
379 #define RTAS_EEH_THAW_DMA                3
380 
381 /* ibm,get-config-addr-info2 */
382 #define RTAS_GET_PE_ADDR                 0
383 #define RTAS_GET_PE_MODE                 1
384 #define RTAS_PE_MODE_NONE                0
385 #define RTAS_PE_MODE_NOT_SHARED          1
386 #define RTAS_PE_MODE_SHARED              2
387 
388 /* ibm,read-slot-reset-state2 */
389 #define RTAS_EEH_PE_STATE_NORMAL         0
390 #define RTAS_EEH_PE_STATE_RESET          1
391 #define RTAS_EEH_PE_STATE_STOPPED_IO_DMA 2
392 #define RTAS_EEH_PE_STATE_STOPPED_DMA    4
393 #define RTAS_EEH_PE_STATE_UNAVAIL        5
394 #define RTAS_EEH_NOT_SUPPORT             0
395 #define RTAS_EEH_SUPPORT                 1
396 #define RTAS_EEH_PE_UNAVAIL_INFO         1000
397 #define RTAS_EEH_PE_RECOVER_INFO         0
398 
399 /* ibm,set-slot-reset */
400 #define RTAS_SLOT_RESET_DEACTIVATE       0
401 #define RTAS_SLOT_RESET_HOT              1
402 #define RTAS_SLOT_RESET_FUNDAMENTAL      3
403 
404 /* ibm,slot-error-detail */
405 #define RTAS_SLOT_TEMP_ERR_LOG           1
406 #define RTAS_SLOT_PERM_ERR_LOG           2
407 
408 /* RTAS return codes */
409 #define RTAS_OUT_SUCCESS                        0
410 #define RTAS_OUT_NO_ERRORS_FOUND                1
411 #define RTAS_OUT_HW_ERROR                       -1
412 #define RTAS_OUT_BUSY                           -2
413 #define RTAS_OUT_PARAM_ERROR                    -3
414 #define RTAS_OUT_NOT_SUPPORTED                  -3
415 #define RTAS_OUT_NO_SUCH_INDICATOR              -3
416 #define RTAS_OUT_NOT_AUTHORIZED                 -9002
417 #define RTAS_OUT_SYSPARM_PARAM_ERROR            -9999
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 uint64_t rtas_ldq(target_ulong phys, int n)
498 {
499     return (uint64_t)rtas_ld(phys, n) << 32 | rtas_ld(phys, n + 1);
500 }
501 
502 static inline void rtas_st(target_ulong phys, int n, uint32_t val)
503 {
504     stl_be_phys(&address_space_memory, ppc64_phys_to_real(phys + 4*n), val);
505 }
506 
507 typedef void (*spapr_rtas_fn)(PowerPCCPU *cpu, sPAPRMachineState *sm,
508                               uint32_t token,
509                               uint32_t nargs, target_ulong args,
510                               uint32_t nret, target_ulong rets);
511 void spapr_rtas_register(int token, const char *name, spapr_rtas_fn fn);
512 target_ulong spapr_rtas_call(PowerPCCPU *cpu, sPAPRMachineState *sm,
513                              uint32_t token, uint32_t nargs, target_ulong args,
514                              uint32_t nret, target_ulong rets);
515 int spapr_rtas_device_tree_setup(void *fdt, hwaddr rtas_addr,
516                                  hwaddr rtas_size);
517 
518 #define SPAPR_TCE_PAGE_SHIFT   12
519 #define SPAPR_TCE_PAGE_SIZE    (1ULL << SPAPR_TCE_PAGE_SHIFT)
520 #define SPAPR_TCE_PAGE_MASK    (SPAPR_TCE_PAGE_SIZE - 1)
521 
522 #define SPAPR_VIO_BASE_LIOBN    0x00000000
523 #define SPAPR_VIO_LIOBN(reg)    (0x00000000 | (reg))
524 #define SPAPR_PCI_LIOBN(phb_index, window_num) \
525     (0x80000000 | ((phb_index) << 8) | (window_num))
526 #define SPAPR_IS_PCI_LIOBN(liobn)   (!!((liobn) & 0x80000000))
527 #define SPAPR_PCI_DMA_WINDOW_NUM(liobn) ((liobn) & 0xff)
528 
529 #define RTAS_ERROR_LOG_MAX      2048
530 
531 #define RTAS_EVENT_SCAN_RATE    1
532 
533 typedef struct sPAPRTCETable sPAPRTCETable;
534 
535 #define TYPE_SPAPR_TCE_TABLE "spapr-tce-table"
536 #define SPAPR_TCE_TABLE(obj) \
537     OBJECT_CHECK(sPAPRTCETable, (obj), TYPE_SPAPR_TCE_TABLE)
538 
539 struct sPAPRTCETable {
540     DeviceState parent;
541     uint32_t liobn;
542     uint32_t nb_table;
543     uint64_t bus_offset;
544     uint32_t page_shift;
545     uint64_t *table;
546     uint32_t mig_nb_table;
547     uint64_t *mig_table;
548     bool bypass;
549     bool need_vfio;
550     int fd;
551     MemoryRegion root, iommu;
552     struct VIOsPAPRDevice *vdev; /* for @bypass migration compatibility only */
553     QLIST_ENTRY(sPAPRTCETable) list;
554 };
555 
556 sPAPRTCETable *spapr_tce_find_by_liobn(target_ulong liobn);
557 
558 struct sPAPREventLogEntry {
559     int log_type;
560     bool exception;
561     void *data;
562     QTAILQ_ENTRY(sPAPREventLogEntry) next;
563 };
564 
565 void spapr_events_init(sPAPRMachineState *sm);
566 void spapr_events_fdt_skel(void *fdt, uint32_t epow_irq);
567 int spapr_h_cas_compose_response(sPAPRMachineState *sm,
568                                  target_ulong addr, target_ulong size,
569                                  bool cpu_update, bool memory_update);
570 sPAPRTCETable *spapr_tce_new_table(DeviceState *owner, uint32_t liobn);
571 void spapr_tce_table_enable(sPAPRTCETable *tcet,
572                             uint32_t page_shift, uint64_t bus_offset,
573                             uint32_t nb_table);
574 void spapr_tce_table_disable(sPAPRTCETable *tcet);
575 void spapr_tce_set_need_vfio(sPAPRTCETable *tcet, bool need_vfio);
576 
577 MemoryRegion *spapr_tce_get_iommu(sPAPRTCETable *tcet);
578 int spapr_dma_dt(void *fdt, int node_off, const char *propname,
579                  uint32_t liobn, uint64_t window, uint32_t size);
580 int spapr_tcet_dma_dt(void *fdt, int node_off, const char *propname,
581                       sPAPRTCETable *tcet);
582 void spapr_pci_switch_vga(bool big_endian);
583 void spapr_hotplug_req_add_by_index(sPAPRDRConnector *drc);
584 void spapr_hotplug_req_remove_by_index(sPAPRDRConnector *drc);
585 void spapr_hotplug_req_add_by_count(sPAPRDRConnectorType drc_type,
586                                        uint32_t count);
587 void spapr_hotplug_req_remove_by_count(sPAPRDRConnectorType drc_type,
588                                           uint32_t count);
589 void spapr_cpu_init(sPAPRMachineState *spapr, PowerPCCPU *cpu, Error **errp);
590 void *spapr_populate_hotplug_cpu_dt(CPUState *cs, int *fdt_offset,
591                                     sPAPRMachineState *spapr);
592 
593 /* rtas-configure-connector state */
594 struct sPAPRConfigureConnectorState {
595     uint32_t drc_index;
596     int fdt_offset;
597     int fdt_depth;
598     QTAILQ_ENTRY(sPAPRConfigureConnectorState) next;
599 };
600 
601 void spapr_ccs_reset_hook(void *opaque);
602 
603 #define TYPE_SPAPR_RTC "spapr-rtc"
604 #define TYPE_SPAPR_RNG "spapr-rng"
605 
606 void spapr_rtc_read(DeviceState *dev, struct tm *tm, uint32_t *ns);
607 int spapr_rtc_import_offset(DeviceState *dev, int64_t legacy_offset);
608 
609 int spapr_rng_populate_dt(void *fdt);
610 
611 #define SPAPR_MEMORY_BLOCK_SIZE (1 << 28) /* 256MB */
612 
613 /*
614  * This defines the maximum number of DIMM slots we can have for sPAPR
615  * guest. This is not defined by sPAPR but we are defining it to 32 slots
616  * based on default number of slots provided by PowerPC kernel.
617  */
618 #define SPAPR_MAX_RAM_SLOTS     32
619 
620 /* 1GB alignment for hotplug memory region */
621 #define SPAPR_HOTPLUG_MEM_ALIGN (1ULL << 30)
622 
623 /*
624  * Number of 32 bit words in each LMB list entry in ibm,dynamic-memory
625  * property under ibm,dynamic-reconfiguration-memory node.
626  */
627 #define SPAPR_DR_LMB_LIST_ENTRY_SIZE 6
628 
629 /*
630  * Defines for flag value in ibm,dynamic-memory property under
631  * ibm,dynamic-reconfiguration-memory node.
632  */
633 #define SPAPR_LMB_FLAGS_ASSIGNED 0x00000008
634 #define SPAPR_LMB_FLAGS_DRC_INVALID 0x00000020
635 #define SPAPR_LMB_FLAGS_RESERVED 0x00000080
636 
637 #endif /* !defined (__HW_SPAPR_H__) */
638