xref: /openbmc/qemu/include/hw/ppc/spapr.h (revision 6b829602e2f10f301ff8508f3a6850a0e913142c)
1  #ifndef HW_SPAPR_H
2  #define HW_SPAPR_H
3  
4  #include "qemu/units.h"
5  #include "sysemu/dma.h"
6  #include "hw/boards.h"
7  #include "hw/ppc/spapr_drc.h"
8  #include "hw/mem/pc-dimm.h"
9  #include "hw/ppc/spapr_ovec.h"
10  #include "hw/ppc/spapr_irq.h"
11  #include "qom/object.h"
12  #include "hw/ppc/spapr_xive.h"  /* For SpaprXive */
13  #include "hw/ppc/xics.h"        /* For ICSState */
14  #include "hw/ppc/spapr_tpm_proxy.h"
15  #include "hw/ppc/spapr_nested.h" /* For SpaprMachineStateNested */
16  
17  struct SpaprVioBus;
18  struct SpaprPhbState;
19  struct SpaprNvram;
20  
21  typedef struct SpaprEventLogEntry SpaprEventLogEntry;
22  typedef struct SpaprEventSource SpaprEventSource;
23  typedef struct SpaprPendingHpt SpaprPendingHpt;
24  
25  typedef struct Vof Vof;
26  
27  #define HPTE64_V_HPTE_DIRTY     0x0000000000000040ULL
28  #define SPAPR_ENTRY_POINT       0x100
29  
30  #define SPAPR_TIMEBASE_FREQ     512000000ULL
31  
32  #define TYPE_SPAPR_RTC "spapr-rtc"
33  
34  OBJECT_DECLARE_SIMPLE_TYPE(SpaprRtcState, SPAPR_RTC)
35  
36  struct SpaprRtcState {
37      /*< private >*/
38      DeviceState parent_obj;
39      int64_t ns_offset;
40  };
41  
42  typedef struct SpaprDimmState SpaprDimmState;
43  
44  #define TYPE_SPAPR_MACHINE      "spapr-machine"
45  OBJECT_DECLARE_TYPE(SpaprMachineState, SpaprMachineClass, SPAPR_MACHINE)
46  
47  typedef enum {
48      SPAPR_RESIZE_HPT_DEFAULT = 0,
49      SPAPR_RESIZE_HPT_DISABLED,
50      SPAPR_RESIZE_HPT_ENABLED,
51      SPAPR_RESIZE_HPT_REQUIRED,
52  } SpaprResizeHpt;
53  
54  /**
55   * Capabilities
56   */
57  
58  /* Hardware Transactional Memory */
59  #define SPAPR_CAP_HTM                   0x00
60  /* Vector Scalar Extensions */
61  #define SPAPR_CAP_VSX                   0x01
62  /* Decimal Floating Point */
63  #define SPAPR_CAP_DFP                   0x02
64  /* Cache Flush on Privilege Change */
65  #define SPAPR_CAP_CFPC                  0x03
66  /* Speculation Barrier Bounds Checking */
67  #define SPAPR_CAP_SBBC                  0x04
68  /* Indirect Branch Serialisation */
69  #define SPAPR_CAP_IBS                   0x05
70  /* HPT Maximum Page Size (encoded as a shift) */
71  #define SPAPR_CAP_HPT_MAXPAGESIZE       0x06
72  /* Nested KVM-HV */
73  #define SPAPR_CAP_NESTED_KVM_HV         0x07
74  /* Large Decrementer */
75  #define SPAPR_CAP_LARGE_DECREMENTER     0x08
76  /* Count Cache Flush Assist HW Instruction */
77  #define SPAPR_CAP_CCF_ASSIST            0x09
78  /* Implements PAPR FWNMI option */
79  #define SPAPR_CAP_FWNMI                 0x0A
80  /* Support H_RPT_INVALIDATE */
81  #define SPAPR_CAP_RPT_INVALIDATE        0x0B
82  /* Support for AIL modes */
83  #define SPAPR_CAP_AIL_MODE_3            0x0C
84  /* Nested PAPR */
85  #define SPAPR_CAP_NESTED_PAPR           0x0D
86  /* Num Caps */
87  #define SPAPR_CAP_NUM                   (SPAPR_CAP_NESTED_PAPR + 1)
88  
89  /*
90   * Capability Values
91   */
92  /* Bool Caps */
93  #define SPAPR_CAP_OFF                   0x00
94  #define SPAPR_CAP_ON                    0x01
95  
96  /* Custom Caps */
97  
98  /* Generic */
99  #define SPAPR_CAP_BROKEN                0x00
100  #define SPAPR_CAP_WORKAROUND            0x01
101  #define SPAPR_CAP_FIXED                 0x02
102  /* SPAPR_CAP_IBS (cap-ibs) */
103  #define SPAPR_CAP_FIXED_IBS             0x02
104  #define SPAPR_CAP_FIXED_CCD             0x03
105  #define SPAPR_CAP_FIXED_NA              0x10 /* Lets leave a bit of a gap... */
106  
107  #define FDT_MAX_SIZE                    0x200000
108  
109  /* Max number of NUMA nodes */
110  #define NUMA_NODES_MAX_NUM         (MAX_NODES)
111  
112  /*
113   * NUMA FORM1 macros. FORM1_DIST_REF_POINTS was taken from
114   * MAX_DISTANCE_REF_POINTS in arch/powerpc/mm/numa.h from Linux
115   * kernel source. It represents the amount of associativity domains
116   * for non-CPU resources.
117   *
118   * FORM1_NUMA_ASSOC_SIZE is the base array size of an ibm,associativity
119   * array for any non-CPU resource.
120   */
121  #define FORM1_DIST_REF_POINTS            4
122  #define FORM1_NUMA_ASSOC_SIZE            (FORM1_DIST_REF_POINTS + 1)
123  
124  /*
125   * FORM2 NUMA affinity has a single associativity domain, giving
126   * us a assoc size of 2.
127   */
128  #define FORM2_DIST_REF_POINTS            1
129  #define FORM2_NUMA_ASSOC_SIZE            (FORM2_DIST_REF_POINTS + 1)
130  
131  typedef struct SpaprCapabilities SpaprCapabilities;
132  struct SpaprCapabilities {
133      uint8_t caps[SPAPR_CAP_NUM];
134  };
135  
136  /**
137   * SpaprMachineClass:
138   */
139  struct SpaprMachineClass {
140      /*< private >*/
141      MachineClass parent_class;
142  
143      /*< public >*/
144      bool dr_phb_enabled;       /* enable dynamic-reconfig/hotplug of PHBs */
145      bool update_dt_enabled;    /* enable KVMPPC_H_UPDATE_DT */
146      bool legacy_irq_allocation;
147      uint32_t nr_xirqs;
148      bool broken_host_serial_model; /* present real host info to the guest */
149      bool pre_4_1_migration; /* don't migrate hpt-max-page-size */
150      bool linux_pci_probe;
151      bool smp_threads_vsmt; /* set VSMT to smp_threads by default */
152      hwaddr rma_limit;          /* clamp the RMA to this size */
153      bool pre_5_1_assoc_refpoints;
154      bool pre_5_2_numa_associativity;
155      bool pre_6_2_numa_affinity;
156  
157      bool (*phb_placement)(SpaprMachineState *spapr, uint32_t index,
158                            uint64_t *buid, hwaddr *pio,
159                            hwaddr *mmio32, hwaddr *mmio64,
160                            unsigned n_dma, uint32_t *liobns, Error **errp);
161      SpaprResizeHpt resize_hpt_default;
162      SpaprCapabilities default_caps;
163      SpaprIrq *irq;
164  };
165  
166  #define WDT_MAX_WATCHDOGS       4      /* Maximum number of watchdog devices */
167  
168  #define TYPE_SPAPR_WDT "spapr-wdt"
169  OBJECT_DECLARE_SIMPLE_TYPE(SpaprWatchdog, SPAPR_WDT)
170  
171  typedef struct SpaprWatchdog {
172      /*< private >*/
173      DeviceState parent_obj;
174      /*< public >*/
175  
176      QEMUTimer timer;
177      uint8_t action;         /* One of PSERIES_WDTF_ACTION_xxx */
178      uint8_t leave_others;   /* leaveOtherWatchdogsRunningOnTimeout */
179  } SpaprWatchdog;
180  
181  /**
182   * SpaprMachineState:
183   */
184  struct SpaprMachineState {
185      /*< private >*/
186      MachineState parent_obj;
187  
188      struct SpaprVioBus *vio_bus;
189      QLIST_HEAD(, SpaprPhbState) phbs;
190      struct SpaprNvram *nvram;
191      SpaprRtcState rtc;
192  
193      SpaprResizeHpt resize_hpt;
194      void *htab;
195      uint32_t htab_shift;
196      uint64_t patb_entry; /* Process tbl registered in H_REGISTER_PROC_TBL */
197      SpaprPendingHpt *pending_hpt; /* in-progress resize */
198  
199      hwaddr rma_size;
200      uint32_t fdt_size;
201      uint32_t fdt_initial_size;
202      void *fdt_blob;
203      uint8_t fdt_rng_seed[32];
204      long kernel_size;
205      bool kernel_le;
206      uint64_t kernel_addr;
207      uint32_t initrd_base;
208      long initrd_size;
209      Vof *vof;
210      uint64_t rtc_offset; /* Now used only during incoming migration */
211      struct PPCTimebase tb;
212      bool want_stdout_path;
213      uint32_t vsmt;       /* Virtual SMT mode (KVM's "core stride") */
214  
215      /* Nested HV support (TCG only) */
216      SpaprMachineStateNested nested;
217  
218      Notifier epow_notifier;
219      QTAILQ_HEAD(, SpaprEventLogEntry) pending_events;
220      bool use_hotplug_event_source;
221      SpaprEventSource *event_sources;
222  
223      /* ibm,client-architecture-support option negotiation */
224      bool cas_pre_isa3_guest;
225      SpaprOptionVector *ov5;         /* QEMU-supported option vectors */
226      SpaprOptionVector *ov5_cas;     /* negotiated (via CAS) option vectors */
227      uint32_t max_compat_pvr;
228  
229      /* Migration state */
230      int htab_save_index;
231      bool htab_first_pass;
232      int htab_fd;
233  
234      /* Pending DIMM unplug cache. It is populated when a LMB
235       * unplug starts. It can be regenerated if a migration
236       * occurs during the unplug process. */
237      QTAILQ_HEAD(, SpaprDimmState) pending_dimm_unplugs;
238  
239      /* State related to FWNMI option */
240  
241      /* System Reset and Machine Check Notification Routine addresses
242       * registered by "ibm,nmi-register" RTAS call.
243       */
244      target_ulong fwnmi_system_reset_addr;
245      target_ulong fwnmi_machine_check_addr;
246  
247      /* Machine Check FWNMI synchronization, fwnmi_machine_check_interlock is
248       * set to -1 if a FWNMI machine check is not in progress, else is set to
249       * the CPU that was delivered the machine check, and is set back to -1
250       * when that CPU makes an "ibm,nmi-interlock" RTAS call. The cond is used
251       * to synchronize other CPUs.
252       */
253      int fwnmi_machine_check_interlock;
254      QemuCond fwnmi_machine_check_interlock_cond;
255  
256      /* Set by -boot */
257      char *boot_device;
258  
259      /*< public >*/
260      char *kvm_type;
261      char *host_model;
262      char *host_serial;
263  
264      int32_t irq_map_nr;
265      unsigned long *irq_map;
266      SpaprIrq *irq;
267      qemu_irq *qirqs;
268      SpaprInterruptController *active_intc;
269      ICSState *ics;
270      SpaprXive *xive;
271  
272      bool cmd_line_caps[SPAPR_CAP_NUM];
273      SpaprCapabilities def, eff, mig;
274  
275      SpaprTpmProxy *tpm_proxy;
276  
277      uint32_t FORM1_assoc_array[NUMA_NODES_MAX_NUM][FORM1_NUMA_ASSOC_SIZE];
278      uint32_t FORM2_assoc_array[NUMA_NODES_MAX_NUM][FORM2_NUMA_ASSOC_SIZE];
279  
280      Error *fwnmi_migration_blocker;
281  
282      SpaprWatchdog wds[WDT_MAX_WATCHDOGS];
283  };
284  
285  #define H_SUCCESS         0
286  #define H_BUSY            1        /* Hardware busy -- retry later */
287  #define H_CLOSED          2        /* Resource closed */
288  #define H_NOT_AVAILABLE   3
289  #define H_CONSTRAINED     4        /* Resource request constrained to max allowed */
290  #define H_PARTIAL         5
291  #define H_IN_PROGRESS     14       /* Kind of like busy */
292  #define H_PAGE_REGISTERED 15
293  #define H_PARTIAL_STORE   16
294  #define H_PENDING         17       /* returned from H_POLL_PENDING */
295  #define H_CONTINUE        18       /* Returned from H_Join on success */
296  #define H_LONG_BUSY_START_RANGE         9900  /* Start of long busy range */
297  #define H_LONG_BUSY_ORDER_1_MSEC        9900  /* Long busy, hint that 1msec \
298                                                   is a good time to retry */
299  #define H_LONG_BUSY_ORDER_10_MSEC       9901  /* Long busy, hint that 10msec \
300                                                   is a good time to retry */
301  #define H_LONG_BUSY_ORDER_100_MSEC      9902  /* Long busy, hint that 100msec \
302                                                   is a good time to retry */
303  #define H_LONG_BUSY_ORDER_1_SEC         9903  /* Long busy, hint that 1sec \
304                                                   is a good time to retry */
305  #define H_LONG_BUSY_ORDER_10_SEC        9904  /* Long busy, hint that 10sec \
306                                                   is a good time to retry */
307  #define H_LONG_BUSY_ORDER_100_SEC       9905  /* Long busy, hint that 100sec \
308                                                   is a good time to retry */
309  #define H_LONG_BUSY_END_RANGE           9905  /* End of long busy range */
310  #define H_HARDWARE        -1       /* Hardware error */
311  #define H_FUNCTION        -2       /* Function not supported */
312  #define H_PRIVILEGE       -3       /* Caller not privileged */
313  #define H_PARAMETER       -4       /* Parameter invalid, out-of-range or conflicting */
314  #define H_BAD_MODE        -5       /* Illegal msr value */
315  #define H_PTEG_FULL       -6       /* PTEG is full */
316  #define H_NOT_FOUND       -7       /* PTE was not found" */
317  #define H_RESERVED_DABR   -8       /* DABR address is reserved by the hypervisor on this processor" */
318  #define H_NO_MEM          -9
319  #define H_AUTHORITY       -10
320  #define H_PERMISSION      -11
321  #define H_DROPPED         -12
322  #define H_SOURCE_PARM     -13
323  #define H_DEST_PARM       -14
324  #define H_REMOTE_PARM     -15
325  #define H_RESOURCE        -16
326  #define H_ADAPTER_PARM    -17
327  #define H_RH_PARM         -18
328  #define H_RCQ_PARM        -19
329  #define H_SCQ_PARM        -20
330  #define H_EQ_PARM         -21
331  #define H_RT_PARM         -22
332  #define H_ST_PARM         -23
333  #define H_SIGT_PARM       -24
334  #define H_TOKEN_PARM      -25
335  #define H_MLENGTH_PARM    -27
336  #define H_MEM_PARM        -28
337  #define H_MEM_ACCESS_PARM -29
338  #define H_ATTR_PARM       -30
339  #define H_PORT_PARM       -31
340  #define H_MCG_PARM        -32
341  #define H_VL_PARM         -33
342  #define H_TSIZE_PARM      -34
343  #define H_TRACE_PARM      -35
344  
345  #define H_MASK_PARM       -37
346  #define H_MCG_FULL        -38
347  #define H_ALIAS_EXIST     -39
348  #define H_P_COUNTER       -40
349  #define H_TABLE_FULL      -41
350  #define H_ALT_TABLE       -42
351  #define H_MR_CONDITION    -43
352  #define H_NOT_ENOUGH_RESOURCES -44
353  #define H_R_STATE         -45
354  #define H_RESCINDEND      -46
355  #define H_P2              -55
356  #define H_P3              -56
357  #define H_P4              -57
358  #define H_P5              -58
359  #define H_P6              -59
360  #define H_P7              -60
361  #define H_P8              -61
362  #define H_P9              -62
363  #define H_NOOP            -63
364  #define H_UNSUPPORTED     -67
365  #define H_OVERLAP         -68
366  #define H_STATE           -75
367  #define H_IN_USE          -77
368  #define H_INVALID_ELEMENT_VALUE            -81
369  #define H_UNSUPPORTED_FLAG -256
370  #define H_MULTI_THREADS_ACTIVE -9005
371  
372  
373  /* Long Busy is a condition that can be returned by the firmware
374   * when a call cannot be completed now, but the identical call
375   * should be retried later.  This prevents calls blocking in the
376   * firmware for long periods of time.  Annoyingly the firmware can return
377   * a range of return codes, hinting at how long we should wait before
378   * retrying.  If you don't care for the hint, the macro below is a good
379   * way to check for the long_busy return codes
380   */
381  #define H_IS_LONG_BUSY(x)  ((x >= H_LONG_BUSY_START_RANGE) \
382                              && (x <= H_LONG_BUSY_END_RANGE))
383  
384  /* Flags */
385  #define H_LARGE_PAGE      (1ULL<<(63-16))
386  #define H_EXACT           (1ULL<<(63-24))       /* Use exact PTE or return H_PTEG_FULL */
387  #define H_R_XLATE         (1ULL<<(63-25))       /* include a valid logical page num in the pte if the valid bit is set */
388  #define H_READ_4          (1ULL<<(63-26))       /* Return 4 PTEs */
389  #define H_PAGE_STATE_CHANGE (1ULL<<(63-28))
390  #define H_PAGE_UNUSED     ((1ULL<<(63-29)) | (1ULL<<(63-30)))
391  #define H_PAGE_SET_UNUSED (H_PAGE_STATE_CHANGE | H_PAGE_UNUSED)
392  #define H_PAGE_SET_LOANED (H_PAGE_SET_UNUSED | (1ULL<<(63-31)))
393  #define H_PAGE_SET_ACTIVE H_PAGE_STATE_CHANGE
394  #define H_AVPN            (1ULL<<(63-32))       /* An avpn is provided as a sanity test */
395  #define H_ANDCOND         (1ULL<<(63-33))
396  #define H_ICACHE_INVALIDATE (1ULL<<(63-40))     /* icbi, etc.  (ignored for IO pages) */
397  #define H_ICACHE_SYNCHRONIZE (1ULL<<(63-41))    /* dcbst, icbi, etc (ignored for IO pages */
398  #define H_ZERO_PAGE       (1ULL<<(63-48))       /* zero the page before mapping (ignored for IO pages) */
399  #define H_COPY_PAGE       (1ULL<<(63-49))
400  #define H_N               (1ULL<<(63-61))
401  #define H_PP1             (1ULL<<(63-62))
402  #define H_PP2             (1ULL<<(63-63))
403  
404  /* Values for 2nd argument to H_SET_MODE */
405  #define H_SET_MODE_RESOURCE_SET_CIABR           1
406  #define H_SET_MODE_RESOURCE_SET_DAWR0           2
407  #define H_SET_MODE_RESOURCE_ADDR_TRANS_MODE     3
408  #define H_SET_MODE_RESOURCE_LE                  4
409  
410  /* Flags for H_SET_MODE_RESOURCE_LE */
411  #define H_SET_MODE_ENDIAN_BIG    0
412  #define H_SET_MODE_ENDIAN_LITTLE 1
413  
414  /* VASI States */
415  #define H_VASI_INVALID    0
416  #define H_VASI_ENABLED    1
417  #define H_VASI_ABORTED    2
418  #define H_VASI_SUSPENDING 3
419  #define H_VASI_SUSPENDED  4
420  #define H_VASI_RESUMED    5
421  #define H_VASI_COMPLETED  6
422  
423  /* DABRX flags */
424  #define H_DABRX_HYPERVISOR (1ULL<<(63-61))
425  #define H_DABRX_KERNEL     (1ULL<<(63-62))
426  #define H_DABRX_USER       (1ULL<<(63-63))
427  
428  /* Values for KVM_PPC_GET_CPU_CHAR & H_GET_CPU_CHARACTERISTICS */
429  #define H_CPU_CHAR_SPEC_BAR_ORI31               PPC_BIT(0)
430  #define H_CPU_CHAR_BCCTRL_SERIALISED            PPC_BIT(1)
431  #define H_CPU_CHAR_L1D_FLUSH_ORI30              PPC_BIT(2)
432  #define H_CPU_CHAR_L1D_FLUSH_TRIG2              PPC_BIT(3)
433  #define H_CPU_CHAR_L1D_THREAD_PRIV              PPC_BIT(4)
434  #define H_CPU_CHAR_HON_BRANCH_HINTS             PPC_BIT(5)
435  #define H_CPU_CHAR_THR_RECONF_TRIG              PPC_BIT(6)
436  #define H_CPU_CHAR_CACHE_COUNT_DIS              PPC_BIT(7)
437  #define H_CPU_CHAR_BCCTR_FLUSH_ASSIST           PPC_BIT(9)
438  
439  #define H_CPU_BEHAV_FAVOUR_SECURITY             PPC_BIT(0)
440  #define H_CPU_BEHAV_L1D_FLUSH_PR                PPC_BIT(1)
441  #define H_CPU_BEHAV_BNDS_CHK_SPEC_BAR           PPC_BIT(2)
442  #define H_CPU_BEHAV_FLUSH_COUNT_CACHE           PPC_BIT(5)
443  #define H_CPU_BEHAV_NO_L1D_FLUSH_ENTRY          PPC_BIT(7)
444  #define H_CPU_BEHAV_NO_L1D_FLUSH_UACCESS        PPC_BIT(8)
445  
446  /* Each control block has to be on a 4K boundary */
447  #define H_CB_ALIGNMENT     4096
448  
449  /* pSeries hypervisor opcodes */
450  #define H_REMOVE                0x04
451  #define H_ENTER                 0x08
452  #define H_READ                  0x0c
453  #define H_CLEAR_MOD             0x10
454  #define H_CLEAR_REF             0x14
455  #define H_PROTECT               0x18
456  #define H_GET_TCE               0x1c
457  #define H_PUT_TCE               0x20
458  #define H_SET_SPRG0             0x24
459  #define H_SET_DABR              0x28
460  #define H_PAGE_INIT             0x2c
461  #define H_SET_ASR               0x30
462  #define H_ASR_ON                0x34
463  #define H_ASR_OFF               0x38
464  #define H_LOGICAL_CI_LOAD       0x3c
465  #define H_LOGICAL_CI_STORE      0x40
466  #define H_LOGICAL_CACHE_LOAD    0x44
467  #define H_LOGICAL_CACHE_STORE   0x48
468  #define H_LOGICAL_ICBI          0x4c
469  #define H_LOGICAL_DCBF          0x50
470  #define H_GET_TERM_CHAR         0x54
471  #define H_PUT_TERM_CHAR         0x58
472  #define H_REAL_TO_LOGICAL       0x5c
473  #define H_HYPERVISOR_DATA       0x60
474  #define H_EOI                   0x64
475  #define H_CPPR                  0x68
476  #define H_IPI                   0x6c
477  #define H_IPOLL                 0x70
478  #define H_XIRR                  0x74
479  #define H_PERFMON               0x7c
480  #define H_MIGRATE_DMA           0x78
481  #define H_REGISTER_VPA          0xDC
482  #define H_CEDE                  0xE0
483  #define H_CONFER                0xE4
484  #define H_PROD                  0xE8
485  #define H_GET_PPP               0xEC
486  #define H_SET_PPP               0xF0
487  #define H_PURR                  0xF4
488  #define H_PIC                   0xF8
489  #define H_REG_CRQ               0xFC
490  #define H_FREE_CRQ              0x100
491  #define H_VIO_SIGNAL            0x104
492  #define H_SEND_CRQ              0x108
493  #define H_COPY_RDMA             0x110
494  #define H_REGISTER_LOGICAL_LAN  0x114
495  #define H_FREE_LOGICAL_LAN      0x118
496  #define H_ADD_LOGICAL_LAN_BUFFER 0x11C
497  #define H_SEND_LOGICAL_LAN      0x120
498  #define H_BULK_REMOVE           0x124
499  #define H_MULTICAST_CTRL        0x130
500  #define H_SET_XDABR             0x134
501  #define H_STUFF_TCE             0x138
502  #define H_PUT_TCE_INDIRECT      0x13C
503  #define H_CHANGE_LOGICAL_LAN_MAC 0x14C
504  #define H_VTERM_PARTNER_INFO    0x150
505  #define H_REGISTER_VTERM        0x154
506  #define H_FREE_VTERM            0x158
507  #define H_RESET_EVENTS          0x15C
508  #define H_ALLOC_RESOURCE        0x160
509  #define H_FREE_RESOURCE         0x164
510  #define H_MODIFY_QP             0x168
511  #define H_QUERY_QP              0x16C
512  #define H_REREGISTER_PMR        0x170
513  #define H_REGISTER_SMR          0x174
514  #define H_QUERY_MR              0x178
515  #define H_QUERY_MW              0x17C
516  #define H_QUERY_HCA             0x180
517  #define H_QUERY_PORT            0x184
518  #define H_MODIFY_PORT           0x188
519  #define H_DEFINE_AQP1           0x18C
520  #define H_GET_TRACE_BUFFER      0x190
521  #define H_DEFINE_AQP0           0x194
522  #define H_RESIZE_MR             0x198
523  #define H_ATTACH_MCQP           0x19C
524  #define H_DETACH_MCQP           0x1A0
525  #define H_CREATE_RPT            0x1A4
526  #define H_REMOVE_RPT            0x1A8
527  #define H_REGISTER_RPAGES       0x1AC
528  #define H_DISABLE_AND_GETC      0x1B0
529  #define H_ERROR_DATA            0x1B4
530  #define H_GET_HCA_INFO          0x1B8
531  #define H_GET_PERF_COUNT        0x1BC
532  #define H_MANAGE_TRACE          0x1C0
533  #define H_GET_CPU_CHARACTERISTICS 0x1C8
534  #define H_FREE_LOGICAL_LAN_BUFFER 0x1D4
535  #define H_QUERY_INT_STATE       0x1E4
536  #define H_POLL_PENDING          0x1D8
537  #define H_ILLAN_ATTRIBUTES      0x244
538  #define H_MODIFY_HEA_QP         0x250
539  #define H_QUERY_HEA_QP          0x254
540  #define H_QUERY_HEA             0x258
541  #define H_QUERY_HEA_PORT        0x25C
542  #define H_MODIFY_HEA_PORT       0x260
543  #define H_REG_BCMC              0x264
544  #define H_DEREG_BCMC            0x268
545  #define H_REGISTER_HEA_RPAGES   0x26C
546  #define H_DISABLE_AND_GET_HEA   0x270
547  #define H_GET_HEA_INFO          0x274
548  #define H_ALLOC_HEA_RESOURCE    0x278
549  #define H_ADD_CONN              0x284
550  #define H_DEL_CONN              0x288
551  #define H_JOIN                  0x298
552  #define H_VASI_STATE            0x2A4
553  #define H_ENABLE_CRQ            0x2B0
554  #define H_GET_EM_PARMS          0x2B8
555  #define H_SET_MPP               0x2D0
556  #define H_GET_MPP               0x2D4
557  #define H_HOME_NODE_ASSOCIATIVITY 0x2EC
558  #define H_XIRR_X                0x2FC
559  #define H_RANDOM                0x300
560  #define H_SET_MODE              0x31C
561  #define H_RESIZE_HPT_PREPARE    0x36C
562  #define H_RESIZE_HPT_COMMIT     0x370
563  #define H_CLEAN_SLB             0x374
564  #define H_INVALIDATE_PID        0x378
565  #define H_REGISTER_PROC_TBL     0x37C
566  #define H_SIGNAL_SYS_RESET      0x380
567  
568  #define H_INT_GET_SOURCE_INFO   0x3A8
569  #define H_INT_SET_SOURCE_CONFIG 0x3AC
570  #define H_INT_GET_SOURCE_CONFIG 0x3B0
571  #define H_INT_GET_QUEUE_INFO    0x3B4
572  #define H_INT_SET_QUEUE_CONFIG  0x3B8
573  #define H_INT_GET_QUEUE_CONFIG  0x3BC
574  #define H_INT_SET_OS_REPORTING_LINE 0x3C0
575  #define H_INT_GET_OS_REPORTING_LINE 0x3C4
576  #define H_INT_ESB               0x3C8
577  #define H_INT_SYNC              0x3CC
578  #define H_INT_RESET             0x3D0
579  #define H_SCM_READ_METADATA     0x3E4
580  #define H_SCM_WRITE_METADATA    0x3E8
581  #define H_SCM_BIND_MEM          0x3EC
582  #define H_SCM_UNBIND_MEM        0x3F0
583  #define H_SCM_UNBIND_ALL        0x3FC
584  #define H_SCM_HEALTH            0x400
585  #define H_RPT_INVALIDATE        0x448
586  #define H_SCM_FLUSH             0x44C
587  #define H_WATCHDOG              0x45C
588  #define H_GUEST_GET_CAPABILITIES 0x460
589  #define H_GUEST_SET_CAPABILITIES 0x464
590  #define H_GUEST_CREATE           0x470
591  #define H_GUEST_CREATE_VCPU      0x474
592  #define H_GUEST_GET_STATE        0x478
593  #define H_GUEST_SET_STATE        0x47C
594  #define H_GUEST_RUN_VCPU         0x480
595  #define H_GUEST_DELETE           0x488
596  
597  #define MAX_HCALL_OPCODE         H_GUEST_DELETE
598  
599  /* The hcalls above are standardized in PAPR and implemented by pHyp
600   * as well.
601   *
602   * We also need some hcalls which are specific to qemu / KVM-on-POWER.
603   * We put those into the 0xf000-0xfffc range which is reserved by PAPR
604   * for "platform-specific" hcalls.
605   */
606  #define KVMPPC_HCALL_BASE       0xf000
607  #define KVMPPC_H_RTAS           (KVMPPC_HCALL_BASE + 0x0)
608  #define KVMPPC_H_LOGICAL_MEMOP  (KVMPPC_HCALL_BASE + 0x1)
609  /* Client Architecture support */
610  #define KVMPPC_H_CAS            (KVMPPC_HCALL_BASE + 0x2)
611  #define KVMPPC_H_UPDATE_DT      (KVMPPC_HCALL_BASE + 0x3)
612  /* 0x4 was used for KVMPPC_H_UPDATE_PHANDLE in SLOF */
613  #define KVMPPC_H_VOF_CLIENT     (KVMPPC_HCALL_BASE + 0x5)
614  
615  /* Platform-specific hcalls used for nested HV KVM */
616  #define KVMPPC_H_SET_PARTITION_TABLE   (KVMPPC_HCALL_BASE + 0x800)
617  #define KVMPPC_H_ENTER_NESTED          (KVMPPC_HCALL_BASE + 0x804)
618  #define KVMPPC_H_TLB_INVALIDATE        (KVMPPC_HCALL_BASE + 0x808)
619  #define KVMPPC_H_COPY_TOFROM_GUEST     (KVMPPC_HCALL_BASE + 0x80C)
620  
621  #define KVMPPC_HCALL_MAX        KVMPPC_H_COPY_TOFROM_GUEST
622  
623  /*
624   * The hcall range 0xEF00 to 0xEF80 is reserved for use in facilitating
625   * Secure VM mode via an Ultravisor / Protected Execution Facility
626   */
627  #define SVM_HCALL_BASE              0xEF00
628  #define SVM_H_TPM_COMM              0xEF10
629  #define SVM_HCALL_MAX               SVM_H_TPM_COMM
630  
631  typedef struct SpaprDeviceTreeUpdateHeader {
632      uint32_t version_id;
633  } SpaprDeviceTreeUpdateHeader;
634  
635  #define hcall_dprintf(fmt, ...) \
636      do { \
637          qemu_log_mask(LOG_GUEST_ERROR, "%s: " fmt, __func__, ## __VA_ARGS__); \
638      } while (0)
639  
640  typedef target_ulong (*spapr_hcall_fn)(PowerPCCPU *cpu, SpaprMachineState *sm,
641                                         target_ulong opcode,
642                                         target_ulong *args);
643  
644  void spapr_register_hypercall(target_ulong opcode, spapr_hcall_fn fn);
645  void spapr_unregister_hypercall(target_ulong opcode);
646  target_ulong spapr_hypercall(PowerPCCPU *cpu, target_ulong opcode,
647                               target_ulong *args);
648  
649  target_ulong vhyp_mmu_resize_hpt_prepare(PowerPCCPU *cpu,
650                                           SpaprMachineState *spapr,
651                                           target_ulong shift);
652  target_ulong vhyp_mmu_resize_hpt_commit(PowerPCCPU *cpu,
653                                          SpaprMachineState *spapr,
654                                          target_ulong flags,
655                                          target_ulong shift);
656  bool is_ram_address(SpaprMachineState *spapr, hwaddr addr);
657  void push_sregs_to_kvm_pr(SpaprMachineState *spapr);
658  
659  /* Virtual Processor Area structure constants */
660  #define VPA_MIN_SIZE           640
661  #define VPA_SIZE_OFFSET        0x4
662  #define VPA_SHARED_PROC_OFFSET 0x9
663  #define VPA_SHARED_PROC_VAL    0x2
664  #define VPA_DISPATCH_COUNTER   0x100
665  
666  /* ibm,set-eeh-option */
667  #define RTAS_EEH_DISABLE                 0
668  #define RTAS_EEH_ENABLE                  1
669  #define RTAS_EEH_THAW_IO                 2
670  #define RTAS_EEH_THAW_DMA                3
671  
672  /* ibm,get-config-addr-info2 */
673  #define RTAS_GET_PE_ADDR                 0
674  #define RTAS_GET_PE_MODE                 1
675  #define RTAS_PE_MODE_NONE                0
676  #define RTAS_PE_MODE_NOT_SHARED          1
677  #define RTAS_PE_MODE_SHARED              2
678  
679  /* ibm,read-slot-reset-state2 */
680  #define RTAS_EEH_PE_STATE_NORMAL         0
681  #define RTAS_EEH_PE_STATE_RESET          1
682  #define RTAS_EEH_PE_STATE_STOPPED_IO_DMA 2
683  #define RTAS_EEH_PE_STATE_STOPPED_DMA    4
684  #define RTAS_EEH_PE_STATE_UNAVAIL        5
685  #define RTAS_EEH_NOT_SUPPORT             0
686  #define RTAS_EEH_SUPPORT                 1
687  #define RTAS_EEH_PE_UNAVAIL_INFO         1000
688  #define RTAS_EEH_PE_RECOVER_INFO         0
689  
690  /* ibm,set-slot-reset */
691  #define RTAS_SLOT_RESET_DEACTIVATE       0
692  #define RTAS_SLOT_RESET_HOT              1
693  #define RTAS_SLOT_RESET_FUNDAMENTAL      3
694  
695  /* ibm,slot-error-detail */
696  #define RTAS_SLOT_TEMP_ERR_LOG           1
697  #define RTAS_SLOT_PERM_ERR_LOG           2
698  
699  /* RTAS return codes */
700  #define RTAS_OUT_SUCCESS                        0
701  #define RTAS_OUT_NO_ERRORS_FOUND                1
702  #define RTAS_OUT_HW_ERROR                       -1
703  #define RTAS_OUT_BUSY                           -2
704  #define RTAS_OUT_PARAM_ERROR                    -3
705  #define RTAS_OUT_NOT_SUPPORTED                  -3
706  #define RTAS_OUT_NO_SUCH_INDICATOR              -3
707  #define RTAS_OUT_NOT_AUTHORIZED                 -9002
708  #define RTAS_OUT_SYSPARM_PARAM_ERROR            -9999
709  
710  /* DDW pagesize mask values from ibm,query-pe-dma-window */
711  #define RTAS_DDW_PGSIZE_4K       0x01
712  #define RTAS_DDW_PGSIZE_64K      0x02
713  #define RTAS_DDW_PGSIZE_16M      0x04
714  #define RTAS_DDW_PGSIZE_32M      0x08
715  #define RTAS_DDW_PGSIZE_64M      0x10
716  #define RTAS_DDW_PGSIZE_128M     0x20
717  #define RTAS_DDW_PGSIZE_256M     0x40
718  #define RTAS_DDW_PGSIZE_16G      0x80
719  #define RTAS_DDW_PGSIZE_2M       0x100
720  
721  /* RTAS tokens */
722  #define RTAS_TOKEN_BASE      0x2000
723  
724  #define RTAS_DISPLAY_CHARACTER                  (RTAS_TOKEN_BASE + 0x00)
725  #define RTAS_GET_TIME_OF_DAY                    (RTAS_TOKEN_BASE + 0x01)
726  #define RTAS_SET_TIME_OF_DAY                    (RTAS_TOKEN_BASE + 0x02)
727  #define RTAS_POWER_OFF                          (RTAS_TOKEN_BASE + 0x03)
728  #define RTAS_SYSTEM_REBOOT                      (RTAS_TOKEN_BASE + 0x04)
729  #define RTAS_QUERY_CPU_STOPPED_STATE            (RTAS_TOKEN_BASE + 0x05)
730  #define RTAS_START_CPU                          (RTAS_TOKEN_BASE + 0x06)
731  #define RTAS_STOP_SELF                          (RTAS_TOKEN_BASE + 0x07)
732  #define RTAS_IBM_GET_SYSTEM_PARAMETER           (RTAS_TOKEN_BASE + 0x08)
733  #define RTAS_IBM_SET_SYSTEM_PARAMETER           (RTAS_TOKEN_BASE + 0x09)
734  #define RTAS_IBM_SET_XIVE                       (RTAS_TOKEN_BASE + 0x0A)
735  #define RTAS_IBM_GET_XIVE                       (RTAS_TOKEN_BASE + 0x0B)
736  #define RTAS_IBM_INT_OFF                        (RTAS_TOKEN_BASE + 0x0C)
737  #define RTAS_IBM_INT_ON                         (RTAS_TOKEN_BASE + 0x0D)
738  #define RTAS_CHECK_EXCEPTION                    (RTAS_TOKEN_BASE + 0x0E)
739  #define RTAS_EVENT_SCAN                         (RTAS_TOKEN_BASE + 0x0F)
740  #define RTAS_IBM_SET_TCE_BYPASS                 (RTAS_TOKEN_BASE + 0x10)
741  #define RTAS_QUIESCE                            (RTAS_TOKEN_BASE + 0x11)
742  #define RTAS_NVRAM_FETCH                        (RTAS_TOKEN_BASE + 0x12)
743  #define RTAS_NVRAM_STORE                        (RTAS_TOKEN_BASE + 0x13)
744  #define RTAS_READ_PCI_CONFIG                    (RTAS_TOKEN_BASE + 0x14)
745  #define RTAS_WRITE_PCI_CONFIG                   (RTAS_TOKEN_BASE + 0x15)
746  #define RTAS_IBM_READ_PCI_CONFIG                (RTAS_TOKEN_BASE + 0x16)
747  #define RTAS_IBM_WRITE_PCI_CONFIG               (RTAS_TOKEN_BASE + 0x17)
748  #define RTAS_IBM_QUERY_INTERRUPT_SOURCE_NUMBER  (RTAS_TOKEN_BASE + 0x18)
749  #define RTAS_IBM_CHANGE_MSI                     (RTAS_TOKEN_BASE + 0x19)
750  #define RTAS_SET_INDICATOR                      (RTAS_TOKEN_BASE + 0x1A)
751  #define RTAS_SET_POWER_LEVEL                    (RTAS_TOKEN_BASE + 0x1B)
752  #define RTAS_GET_POWER_LEVEL                    (RTAS_TOKEN_BASE + 0x1C)
753  #define RTAS_GET_SENSOR_STATE                   (RTAS_TOKEN_BASE + 0x1D)
754  #define RTAS_IBM_CONFIGURE_CONNECTOR            (RTAS_TOKEN_BASE + 0x1E)
755  #define RTAS_IBM_OS_TERM                        (RTAS_TOKEN_BASE + 0x1F)
756  #define RTAS_IBM_SET_EEH_OPTION                 (RTAS_TOKEN_BASE + 0x20)
757  #define RTAS_IBM_GET_CONFIG_ADDR_INFO2          (RTAS_TOKEN_BASE + 0x21)
758  #define RTAS_IBM_READ_SLOT_RESET_STATE2         (RTAS_TOKEN_BASE + 0x22)
759  #define RTAS_IBM_SET_SLOT_RESET                 (RTAS_TOKEN_BASE + 0x23)
760  #define RTAS_IBM_CONFIGURE_PE                   (RTAS_TOKEN_BASE + 0x24)
761  #define RTAS_IBM_SLOT_ERROR_DETAIL              (RTAS_TOKEN_BASE + 0x25)
762  #define RTAS_IBM_QUERY_PE_DMA_WINDOW            (RTAS_TOKEN_BASE + 0x26)
763  #define RTAS_IBM_CREATE_PE_DMA_WINDOW           (RTAS_TOKEN_BASE + 0x27)
764  #define RTAS_IBM_REMOVE_PE_DMA_WINDOW           (RTAS_TOKEN_BASE + 0x28)
765  #define RTAS_IBM_RESET_PE_DMA_WINDOW            (RTAS_TOKEN_BASE + 0x29)
766  #define RTAS_IBM_SUSPEND_ME                     (RTAS_TOKEN_BASE + 0x2A)
767  #define RTAS_IBM_NMI_REGISTER                   (RTAS_TOKEN_BASE + 0x2B)
768  #define RTAS_IBM_NMI_INTERLOCK                  (RTAS_TOKEN_BASE + 0x2C)
769  
770  #define RTAS_TOKEN_MAX                          (RTAS_TOKEN_BASE + 0x2D)
771  
772  /* RTAS ibm,get-system-parameter token values */
773  #define RTAS_SYSPARM_SPLPAR_CHARACTERISTICS      20
774  #define RTAS_SYSPARM_DIAGNOSTICS_RUN_MODE        42
775  #define RTAS_SYSPARM_UUID                        48
776  
777  /* RTAS indicator/sensor types
778   *
779   * as defined by PAPR+ 2.7 7.3.5.4, Table 41
780   *
781   * NOTE: currently only DR-related sensors are implemented here
782   */
783  #define RTAS_SENSOR_TYPE_ISOLATION_STATE        9001
784  #define RTAS_SENSOR_TYPE_DR                     9002
785  #define RTAS_SENSOR_TYPE_ALLOCATION_STATE       9003
786  #define RTAS_SENSOR_TYPE_ENTITY_SENSE RTAS_SENSOR_TYPE_ALLOCATION_STATE
787  
788  /* Possible values for the platform-processor-diagnostics-run-mode parameter
789   * of the RTAS ibm,get-system-parameter call.
790   */
791  #define DIAGNOSTICS_RUN_MODE_DISABLED  0
792  #define DIAGNOSTICS_RUN_MODE_STAGGERED 1
793  #define DIAGNOSTICS_RUN_MODE_IMMEDIATE 2
794  #define DIAGNOSTICS_RUN_MODE_PERIODIC  3
795  
ppc64_phys_to_real(uint64_t addr)796  static inline uint64_t ppc64_phys_to_real(uint64_t addr)
797  {
798      return addr & ~0xF000000000000000ULL;
799  }
800  
rtas_ld(target_ulong phys,int n)801  static inline uint32_t rtas_ld(target_ulong phys, int n)
802  {
803      return ldl_be_phys(&address_space_memory,
804                         ppc64_phys_to_real(phys + 4 * n));
805  }
806  
rtas_ldq(target_ulong phys,int n)807  static inline uint64_t rtas_ldq(target_ulong phys, int n)
808  {
809      return (uint64_t)rtas_ld(phys, n) << 32 | rtas_ld(phys, n + 1);
810  }
811  
rtas_st(target_ulong phys,int n,uint32_t val)812  static inline void rtas_st(target_ulong phys, int n, uint32_t val)
813  {
814      stl_be_phys(&address_space_memory, ppc64_phys_to_real(phys + 4 * n), val);
815  }
816  
817  typedef void (*spapr_rtas_fn)(PowerPCCPU *cpu, SpaprMachineState *sm,
818                                uint32_t token,
819                                uint32_t nargs, target_ulong args,
820                                uint32_t nret, target_ulong rets);
821  void spapr_rtas_register(int token, const char *name, spapr_rtas_fn fn);
822  target_ulong spapr_rtas_call(PowerPCCPU *cpu, SpaprMachineState *sm,
823                               uint32_t token, uint32_t nargs, target_ulong args,
824                               uint32_t nret, target_ulong rets);
825  void spapr_dt_rtas_tokens(void *fdt, int rtas);
826  void spapr_load_rtas(SpaprMachineState *spapr, void *fdt, hwaddr addr);
827  
828  #define SPAPR_TCE_PAGE_SHIFT   12
829  #define SPAPR_TCE_PAGE_SIZE    (1ULL << SPAPR_TCE_PAGE_SHIFT)
830  #define SPAPR_TCE_PAGE_MASK    (SPAPR_TCE_PAGE_SIZE - 1)
831  
832  #define SPAPR_VIO_BASE_LIOBN    0x00000000
833  #define SPAPR_VIO_LIOBN(reg)    (0x00000000 | (reg))
834  #define SPAPR_PCI_LIOBN(phb_index, window_num) \
835      (0x80000000 | ((phb_index) << 8) | (window_num))
836  #define SPAPR_IS_PCI_LIOBN(liobn)   (!!((liobn) & 0x80000000))
837  #define SPAPR_PCI_DMA_WINDOW_NUM(liobn) ((liobn) & 0xff)
838  
839  #define RTAS_MIN_SIZE           20 /* hv_rtas_size in SLOF */
840  #define RTAS_ERROR_LOG_MAX      2048
841  
842  /* Offset from rtas-base where error log is placed */
843  #define RTAS_ERROR_LOG_OFFSET       0x30
844  
845  #define RTAS_EVENT_SCAN_RATE    1
846  
847  /* This helper should be used to encode interrupt specifiers when the related
848   * "interrupt-controller" node has its "#interrupt-cells" property set to 2 (ie,
849   * VIO devices, RTAS event sources and PHBs).
850   */
spapr_dt_irq(uint32_t * intspec,int irq,bool is_lsi)851  static inline void spapr_dt_irq(uint32_t *intspec, int irq, bool is_lsi)
852  {
853      intspec[0] = cpu_to_be32(irq);
854      intspec[1] = is_lsi ? cpu_to_be32(1) : 0;
855  }
856  
857  
858  #define TYPE_SPAPR_TCE_TABLE "spapr-tce-table"
859  OBJECT_DECLARE_SIMPLE_TYPE(SpaprTceTable, SPAPR_TCE_TABLE)
860  
861  #define TYPE_SPAPR_IOMMU_MEMORY_REGION "spapr-iommu-memory-region"
862  DECLARE_INSTANCE_CHECKER(IOMMUMemoryRegion, SPAPR_IOMMU_MEMORY_REGION,
863                           TYPE_SPAPR_IOMMU_MEMORY_REGION)
864  
865  struct SpaprTceTable {
866      DeviceState parent;
867      uint32_t liobn;
868      uint32_t nb_table;
869      uint64_t bus_offset;
870      uint32_t page_shift;
871      uint64_t *table;
872      uint32_t mig_nb_table;
873      uint64_t *mig_table;
874      bool bypass;
875      bool need_vfio;
876      bool skipping_replay;
877      bool def_win;
878      int fd;
879      MemoryRegion root;
880      IOMMUMemoryRegion iommu;
881      struct SpaprVioDevice *vdev; /* for @bypass migration compatibility only */
882      QLIST_ENTRY(SpaprTceTable) list;
883  };
884  
885  SpaprTceTable *spapr_tce_find_by_liobn(target_ulong liobn);
886  
887  struct SpaprEventLogEntry {
888      uint32_t summary;
889      uint32_t extended_length;
890      void *extended_log;
891      QTAILQ_ENTRY(SpaprEventLogEntry) next;
892  };
893  
894  void *spapr_build_fdt(SpaprMachineState *spapr, bool reset, size_t space);
895  void spapr_events_init(SpaprMachineState *sm);
896  void spapr_dt_events(SpaprMachineState *sm, void *fdt);
897  void close_htab_fd(SpaprMachineState *spapr);
898  void spapr_setup_hpt(SpaprMachineState *spapr);
899  void spapr_free_hpt(SpaprMachineState *spapr);
900  void spapr_check_mmu_mode(bool guest_radix);
901  SpaprTceTable *spapr_tce_new_table(DeviceState *owner, uint32_t liobn);
902  void spapr_tce_table_enable(SpaprTceTable *tcet,
903                              uint32_t page_shift, uint64_t bus_offset,
904                              uint32_t nb_table);
905  void spapr_tce_table_disable(SpaprTceTable *tcet);
906  void spapr_tce_set_need_vfio(SpaprTceTable *tcet, bool need_vfio);
907  
908  MemoryRegion *spapr_tce_get_iommu(SpaprTceTable *tcet);
909  int spapr_dma_dt(void *fdt, int node_off, const char *propname,
910                   uint32_t liobn, uint64_t window, uint32_t size);
911  int spapr_tcet_dma_dt(void *fdt, int node_off, const char *propname,
912                        SpaprTceTable *tcet);
913  void spapr_pci_switch_vga(SpaprMachineState *spapr, bool big_endian);
914  void spapr_hotplug_req_add_by_index(SpaprDrc *drc);
915  void spapr_hotplug_req_remove_by_index(SpaprDrc *drc);
916  void spapr_hotplug_req_add_by_count(SpaprDrcType drc_type,
917                                         uint32_t count);
918  void spapr_hotplug_req_remove_by_count(SpaprDrcType drc_type,
919                                            uint32_t count);
920  void spapr_hotplug_req_add_by_count_indexed(SpaprDrcType drc_type,
921                                              uint32_t count, uint32_t index);
922  void spapr_hotplug_req_remove_by_count_indexed(SpaprDrcType drc_type,
923                                                 uint32_t count, uint32_t index);
924  int spapr_hpt_shift_for_ramsize(uint64_t ramsize);
925  int spapr_reallocate_hpt(SpaprMachineState *spapr, int shift, Error **errp);
926  void spapr_clear_pending_events(SpaprMachineState *spapr);
927  void spapr_clear_pending_hotplug_events(SpaprMachineState *spapr);
928  void spapr_memory_unplug_rollback(SpaprMachineState *spapr, DeviceState *dev);
929  int spapr_max_server_number(SpaprMachineState *spapr);
930  void spapr_store_hpte(PowerPCCPU *cpu, hwaddr ptex,
931                        uint64_t pte0, uint64_t pte1);
932  void spapr_mce_req_event(PowerPCCPU *cpu, bool recovered);
933  
934  /* DRC callbacks. */
935  void spapr_core_release(DeviceState *dev);
936  int spapr_core_dt_populate(SpaprDrc *drc, SpaprMachineState *spapr,
937                             void *fdt, int *fdt_start_offset, Error **errp);
938  void spapr_lmb_release(DeviceState *dev);
939  int spapr_lmb_dt_populate(SpaprDrc *drc, SpaprMachineState *spapr,
940                            void *fdt, int *fdt_start_offset, Error **errp);
941  void spapr_phb_release(DeviceState *dev);
942  int spapr_phb_dt_populate(SpaprDrc *drc, SpaprMachineState *spapr,
943                            void *fdt, int *fdt_start_offset, Error **errp);
944  
945  void spapr_rtc_read(SpaprRtcState *rtc, struct tm *tm, uint32_t *ns);
946  int spapr_rtc_import_offset(SpaprRtcState *rtc, int64_t legacy_offset);
947  
948  #define TYPE_SPAPR_RNG "spapr-rng"
949  
950  #define SPAPR_MEMORY_BLOCK_SIZE ((hwaddr)1 << 28) /* 256MB */
951  
952  /*
953   * This defines the maximum number of DIMM slots we can have for sPAPR
954   * guest. This is not defined by sPAPR but we are defining it to 32 slots
955   * based on default number of slots provided by PowerPC kernel.
956   */
957  #define SPAPR_MAX_RAM_SLOTS     32
958  
959  /* 1GB alignment for hotplug memory region */
960  #define SPAPR_DEVICE_MEM_ALIGN (1 * GiB)
961  
962  /*
963   * Number of 32 bit words in each LMB list entry in ibm,dynamic-memory
964   * property under ibm,dynamic-reconfiguration-memory node.
965   */
966  #define SPAPR_DR_LMB_LIST_ENTRY_SIZE 6
967  
968  /*
969   * Defines for flag value in ibm,dynamic-memory property under
970   * ibm,dynamic-reconfiguration-memory node.
971   */
972  #define SPAPR_LMB_FLAGS_ASSIGNED 0x00000008
973  #define SPAPR_LMB_FLAGS_DRC_INVALID 0x00000020
974  #define SPAPR_LMB_FLAGS_RESERVED 0x00000080
975  #define SPAPR_LMB_FLAGS_HOTREMOVABLE 0x00000100
976  
977  void spapr_do_system_reset_on_cpu(CPUState *cs, run_on_cpu_data arg);
978  
979  #define HTAB_SIZE(spapr)        (1ULL << ((spapr)->htab_shift))
980  
981  int spapr_get_vcpu_id(PowerPCCPU *cpu);
982  bool spapr_set_vcpu_id(PowerPCCPU *cpu, int cpu_index, Error **errp);
983  PowerPCCPU *spapr_find_cpu(int vcpu_id);
984  
985  int spapr_caps_pre_load(void *opaque);
986  int spapr_caps_pre_save(void *opaque);
987  
988  /*
989   * Handling of optional capabilities
990   */
991  extern const VMStateDescription vmstate_spapr_cap_htm;
992  extern const VMStateDescription vmstate_spapr_cap_vsx;
993  extern const VMStateDescription vmstate_spapr_cap_dfp;
994  extern const VMStateDescription vmstate_spapr_cap_cfpc;
995  extern const VMStateDescription vmstate_spapr_cap_sbbc;
996  extern const VMStateDescription vmstate_spapr_cap_ibs;
997  extern const VMStateDescription vmstate_spapr_cap_hpt_maxpagesize;
998  extern const VMStateDescription vmstate_spapr_cap_nested_kvm_hv;
999  extern const VMStateDescription vmstate_spapr_cap_nested_papr;
1000  extern const VMStateDescription vmstate_spapr_cap_large_decr;
1001  extern const VMStateDescription vmstate_spapr_cap_ccf_assist;
1002  extern const VMStateDescription vmstate_spapr_cap_fwnmi;
1003  extern const VMStateDescription vmstate_spapr_cap_rpt_invalidate;
1004  extern const VMStateDescription vmstate_spapr_cap_ail_mode_3;
1005  extern const VMStateDescription vmstate_spapr_wdt;
1006  
spapr_get_cap(SpaprMachineState * spapr,int cap)1007  static inline uint8_t spapr_get_cap(SpaprMachineState *spapr, int cap)
1008  {
1009      return spapr->eff.caps[cap];
1010  }
1011  
1012  void spapr_caps_init(SpaprMachineState *spapr);
1013  void spapr_caps_apply(SpaprMachineState *spapr);
1014  void spapr_caps_cpu_apply(SpaprMachineState *spapr, PowerPCCPU *cpu);
1015  void spapr_caps_add_properties(SpaprMachineClass *smc);
1016  int spapr_caps_post_migration(SpaprMachineState *spapr);
1017  
1018  bool spapr_check_pagesize(SpaprMachineState *spapr, hwaddr pagesize,
1019                            Error **errp);
1020  /*
1021   * XIVE definitions
1022   */
1023  #define SPAPR_OV5_XIVE_LEGACY   0x0
1024  #define SPAPR_OV5_XIVE_EXPLOIT  0x40
1025  #define SPAPR_OV5_XIVE_BOTH     0x80 /* Only to advertise on the platform */
1026  
1027  void spapr_set_all_lpcrs(target_ulong value, target_ulong mask);
1028  void spapr_init_all_lpcrs(target_ulong value, target_ulong mask);
1029  hwaddr spapr_get_rtas_addr(void);
1030  bool spapr_memory_hot_unplug_supported(SpaprMachineState *spapr);
1031  
1032  void spapr_vof_reset(SpaprMachineState *spapr, void *fdt, Error **errp);
1033  void spapr_vof_quiesce(MachineState *ms);
1034  bool spapr_vof_setprop(MachineState *ms, const char *path, const char *propname,
1035                         void *val, int vallen);
1036  target_ulong spapr_h_vof_client(PowerPCCPU *cpu, SpaprMachineState *spapr,
1037                                  target_ulong opcode, target_ulong *args);
1038  target_ulong spapr_vof_client_architecture_support(MachineState *ms,
1039                                                     CPUState *cs,
1040                                                     target_ulong ovec_addr);
1041  void spapr_vof_client_dt_finalize(SpaprMachineState *spapr, void *fdt);
1042  
1043  /* H_WATCHDOG */
1044  void spapr_watchdog_init(SpaprMachineState *spapr);
1045  void spapr_register_nested_hv(void);
1046  void spapr_unregister_nested_hv(void);
1047  void spapr_nested_reset(SpaprMachineState *spapr);
1048  void spapr_register_nested_papr(void);
1049  void spapr_unregister_nested_papr(void);
1050  
1051  #endif /* HW_SPAPR_H */
1052