include/hw/ppc/spapr.h

   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 "hw/ppc/spapr_xive.h"  /* For sPAPRXive */
  12 #include "hw/ppc/xics.h"        /* For ICSState */
  13
  14 struct VIOsPAPRBus;
  15 struct sPAPRPHBState;
  16 struct sPAPRNVRAM;
  17
  18 typedef struct sPAPREventLogEntry sPAPREventLogEntry;
  19 typedef struct sPAPREventSource sPAPREventSource;
  20 typedef struct sPAPRPendingHPT sPAPRPendingHPT;
  21
  22 #define HPTE64_V_HPTE_DIRTY     0x0000000000000040ULL
  23 #define SPAPR_ENTRY_POINT       0x100
  24
  25 #define SPAPR_TIMEBASE_FREQ     512000000ULL
  26
  27 #define TYPE_SPAPR_RTC "spapr-rtc"
  28
  29 #define SPAPR_RTC(obj)                                  \
  30     OBJECT_CHECK(sPAPRRTCState, (obj), TYPE_SPAPR_RTC)
  31
  32 typedef struct sPAPRRTCState sPAPRRTCState;
  33 struct sPAPRRTCState {
  34     /*< private >*/
  35     DeviceState parent_obj;
  36     int64_t ns_offset;
  37 };
  38
  39 typedef struct sPAPRDIMMState sPAPRDIMMState;
  40 typedef struct sPAPRMachineClass sPAPRMachineClass;
  41
  42 #define TYPE_SPAPR_MACHINE      "spapr-machine"
  43 #define SPAPR_MACHINE(obj) \
  44     OBJECT_CHECK(sPAPRMachineState, (obj), TYPE_SPAPR_MACHINE)
  45 #define SPAPR_MACHINE_GET_CLASS(obj) \
  46     OBJECT_GET_CLASS(sPAPRMachineClass, obj, TYPE_SPAPR_MACHINE)
  47 #define SPAPR_MACHINE_CLASS(klass) \
  48     OBJECT_CLASS_CHECK(sPAPRMachineClass, klass, TYPE_SPAPR_MACHINE)
  49
  50 typedef enum {
  51     SPAPR_RESIZE_HPT_DEFAULT = 0,
  52     SPAPR_RESIZE_HPT_DISABLED,
  53     SPAPR_RESIZE_HPT_ENABLED,
  54     SPAPR_RESIZE_HPT_REQUIRED,
  55 } sPAPRResizeHPT;
  56
  57 /**
  58  * Capabilities
  59  */
  60
  61 /* Hardware Transactional Memory */
  62 #define SPAPR_CAP_HTM                   0x00
  63 /* Vector Scalar Extensions */
  64 #define SPAPR_CAP_VSX                   0x01
  65 /* Decimal Floating Point */
  66 #define SPAPR_CAP_DFP                   0x02
  67 /* Cache Flush on Privilege Change */
  68 #define SPAPR_CAP_CFPC                  0x03
  69 /* Speculation Barrier Bounds Checking */
  70 #define SPAPR_CAP_SBBC                  0x04
  71 /* Indirect Branch Serialisation */
  72 #define SPAPR_CAP_IBS                   0x05
  73 /* HPT Maximum Page Size (encoded as a shift) */
  74 #define SPAPR_CAP_HPT_MAXPAGESIZE       0x06
  75 /* Nested KVM-HV */
  76 #define SPAPR_CAP_NESTED_KVM_HV         0x07
  77 /* Num Caps */
  78 #define SPAPR_CAP_NUM                   (SPAPR_CAP_NESTED_KVM_HV + 1)
  79
  80 /*
  81  * Capability Values
  82  */
  83 /* Bool Caps */
  84 #define SPAPR_CAP_OFF                   0x00
  85 #define SPAPR_CAP_ON                    0x01
  86 /* Custom Caps */
  87 #define SPAPR_CAP_BROKEN                0x00
  88 #define SPAPR_CAP_WORKAROUND            0x01
  89 #define SPAPR_CAP_FIXED                 0x02
  90 #define SPAPR_CAP_FIXED_IBS             0x02
  91 #define SPAPR_CAP_FIXED_CCD             0x03
  92
  93 typedef struct sPAPRCapabilities sPAPRCapabilities;
  94 struct sPAPRCapabilities {
  95     uint8_t caps[SPAPR_CAP_NUM];
  96 };
  97
  98 /**
  99  * sPAPRMachineClass:
 100  */
 101 struct sPAPRMachineClass {
 102     /*< private >*/
 103     MachineClass parent_class;
 104
 105     /*< public >*/
 106     bool dr_lmb_enabled;       /* enable dynamic-reconfig/hotplug of LMBs */
 107     bool dr_phb_enabled;       /* enable dynamic-reconfig/hotplug of PHBs */
 108     bool update_dt_enabled;    /* enable KVMPPC_H_UPDATE_DT */
 109     bool use_ohci_by_default;  /* use USB-OHCI instead of XHCI */
 110     bool pre_2_10_has_unused_icps;
 111     bool legacy_irq_allocation;
 112
 113     void (*phb_placement)(sPAPRMachineState *spapr, uint32_t index,
 114                           uint64_t *buid, hwaddr *pio,
 115                           hwaddr *mmio32, hwaddr *mmio64,
 116                           unsigned n_dma, uint32_t *liobns, Error **errp);
 117     sPAPRResizeHPT resize_hpt_default;
 118     sPAPRCapabilities default_caps;
 119     sPAPRIrq *irq;
 120 };
 121
 122 /**
 123  * sPAPRMachineState:
 124  */
 125 struct sPAPRMachineState {
 126     /*< private >*/
 127     MachineState parent_obj;
 128
 129     struct VIOsPAPRBus *vio_bus;
 130     QLIST_HEAD(, sPAPRPHBState) phbs;
 131     struct sPAPRNVRAM *nvram;
 132     ICSState *ics;
 133     sPAPRRTCState rtc;
 134
 135     sPAPRResizeHPT resize_hpt;
 136     void *htab;
 137     uint32_t htab_shift;
 138     uint64_t patb_entry; /* Process tbl registed in H_REGISTER_PROCESS_TABLE */
 139     sPAPRPendingHPT *pending_hpt; /* in-progress resize */
 140
 141     hwaddr rma_size;
 142     int vrma_adjust;
 143     ssize_t rtas_size;
 144     void *rtas_blob;
 145     uint32_t fdt_size;
 146     uint32_t fdt_initial_size;
 147     void *fdt_blob;
 148     long kernel_size;
 149     bool kernel_le;
 150     uint32_t initrd_base;
 151     long initrd_size;
 152     uint64_t rtc_offset; /* Now used only during incoming migration */
 153     struct PPCTimebase tb;
 154     bool has_graphics;
 155     uint32_t vsmt;       /* Virtual SMT mode (KVM's "core stride") */
 156
 157     Notifier epow_notifier;
 158     QTAILQ_HEAD(, sPAPREventLogEntry) pending_events;
 159     bool use_hotplug_event_source;
 160     sPAPREventSource *event_sources;
 161
 162     /* ibm,client-architecture-support option negotiation */
 163     bool cas_reboot;
 164     bool cas_legacy_guest_workaround;
 165     sPAPROptionVector *ov5;         /* QEMU-supported option vectors */
 166     sPAPROptionVector *ov5_cas;     /* negotiated (via CAS) option vectors */
 167     uint32_t max_compat_pvr;
 168
 169     /* Migration state */
 170     int htab_save_index;
 171     bool htab_first_pass;
 172     int htab_fd;
 173
 174     /* Pending DIMM unplug cache. It is populated when a LMB
 175      * unplug starts. It can be regenerated if a migration
 176      * occurs during the unplug process. */
 177     QTAILQ_HEAD(, sPAPRDIMMState) pending_dimm_unplugs;
 178
 179     /*< public >*/
 180     char *kvm_type;
 181     char *host_model;
 182     char *host_serial;
 183
 184     int32_t irq_map_nr;
 185     unsigned long *irq_map;
 186     sPAPRXive  *xive;
 187     sPAPRIrq *irq;
 188     qemu_irq *qirqs;
 189
 190     bool cmd_line_caps[SPAPR_CAP_NUM];
 191     sPAPRCapabilities def, eff, mig;
 192 };
 193
 194 #define H_SUCCESS         0
 195 #define H_BUSY            1        /* Hardware busy -- retry later */
 196 #define H_CLOSED          2        /* Resource closed */
 197 #define H_NOT_AVAILABLE   3
 198 #define H_CONSTRAINED     4        /* Resource request constrained to max allowed */
 199 #define H_PARTIAL         5
 200 #define H_IN_PROGRESS     14       /* Kind of like busy */
 201 #define H_PAGE_REGISTERED 15
 202 #define H_PARTIAL_STORE   16
 203 #define H_PENDING         17       /* returned from H_POLL_PENDING */
 204 #define H_CONTINUE        18       /* Returned from H_Join on success */
 205 #define H_LONG_BUSY_START_RANGE         9900  /* Start of long busy range */
 206 #define H_LONG_BUSY_ORDER_1_MSEC        9900  /* Long busy, hint that 1msec \
 207                                                  is a good time to retry */
 208 #define H_LONG_BUSY_ORDER_10_MSEC       9901  /* Long busy, hint that 10msec \
 209                                                  is a good time to retry */
 210 #define H_LONG_BUSY_ORDER_100_MSEC      9902  /* Long busy, hint that 100msec \
 211                                                  is a good time to retry */
 212 #define H_LONG_BUSY_ORDER_1_SEC         9903  /* Long busy, hint that 1sec \
 213                                                  is a good time to retry */
 214 #define H_LONG_BUSY_ORDER_10_SEC        9904  /* Long busy, hint that 10sec \
 215                                                  is a good time to retry */
 216 #define H_LONG_BUSY_ORDER_100_SEC       9905  /* Long busy, hint that 100sec \
 217                                                  is a good time to retry */
 218 #define H_LONG_BUSY_END_RANGE           9905  /* End of long busy range */
 219 #define H_HARDWARE        -1       /* Hardware error */
 220 #define H_FUNCTION        -2       /* Function not supported */
 221 #define H_PRIVILEGE       -3       /* Caller not privileged */
 222 #define H_PARAMETER       -4       /* Parameter invalid, out-of-range or conflicting */
 223 #define H_BAD_MODE        -5       /* Illegal msr value */
 224 #define H_PTEG_FULL       -6       /* PTEG is full */
 225 #define H_NOT_FOUND       -7       /* PTE was not found" */
 226 #define H_RESERVED_DABR   -8       /* DABR address is reserved by the hypervisor on this processor" */
 227 #define H_NO_MEM          -9
 228 #define H_AUTHORITY       -10
 229 #define H_PERMISSION      -11
 230 #define H_DROPPED         -12
 231 #define H_SOURCE_PARM     -13
 232 #define H_DEST_PARM       -14
 233 #define H_REMOTE_PARM     -15
 234 #define H_RESOURCE        -16
 235 #define H_ADAPTER_PARM    -17
 236 #define H_RH_PARM         -18
 237 #define H_RCQ_PARM        -19
 238 #define H_SCQ_PARM        -20
 239 #define H_EQ_PARM         -21
 240 #define H_RT_PARM         -22
 241 #define H_ST_PARM         -23
 242 #define H_SIGT_PARM       -24
 243 #define H_TOKEN_PARM      -25
 244 #define H_MLENGTH_PARM    -27
 245 #define H_MEM_PARM        -28
 246 #define H_MEM_ACCESS_PARM -29
 247 #define H_ATTR_PARM       -30
 248 #define H_PORT_PARM       -31
 249 #define H_MCG_PARM        -32
 250 #define H_VL_PARM         -33
 251 #define H_TSIZE_PARM      -34
 252 #define H_TRACE_PARM      -35
 253
 254 #define H_MASK_PARM       -37
 255 #define H_MCG_FULL        -38
 256 #define H_ALIAS_EXIST     -39
 257 #define H_P_COUNTER       -40
 258 #define H_TABLE_FULL      -41
 259 #define H_ALT_TABLE       -42
 260 #define H_MR_CONDITION    -43
 261 #define H_NOT_ENOUGH_RESOURCES -44
 262 #define H_R_STATE         -45
 263 #define H_RESCINDEND      -46
 264 #define H_P2              -55
 265 #define H_P3              -56
 266 #define H_P4              -57
 267 #define H_P5              -58
 268 #define H_P6              -59
 269 #define H_P7              -60
 270 #define H_P8              -61
 271 #define H_P9              -62
 272 #define H_UNSUPPORTED_FLAG -256
 273 #define H_MULTI_THREADS_ACTIVE -9005
 274
 275
 276 /* Long Busy is a condition that can be returned by the firmware
 277  * when a call cannot be completed now, but the identical call
 278  * should be retried later.  This prevents calls blocking in the
 279  * firmware for long periods of time.  Annoyingly the firmware can return
 280  * a range of return codes, hinting at how long we should wait before
 281  * retrying.  If you don't care for the hint, the macro below is a good
 282  * way to check for the long_busy return codes
 283  */
 284 #define H_IS_LONG_BUSY(x)  ((x >= H_LONG_BUSY_START_RANGE) \
 285                             && (x <= H_LONG_BUSY_END_RANGE))
 286
 287 /* Flags */
 288 #define H_LARGE_PAGE      (1ULL<<(63-16))
 289 #define H_EXACT           (1ULL<<(63-24))       /* Use exact PTE or return H_PTEG_FULL */
 290 #define H_R_XLATE         (1ULL<<(63-25))       /* include a valid logical page num in the pte if the valid bit is set */
 291 #define H_READ_4          (1ULL<<(63-26))       /* Return 4 PTEs */
 292 #define H_PAGE_STATE_CHANGE (1ULL<<(63-28))
 293 #define H_PAGE_UNUSED     ((1ULL<<(63-29)) | (1ULL<<(63-30)))
 294 #define H_PAGE_SET_UNUSED (H_PAGE_STATE_CHANGE | H_PAGE_UNUSED)
 295 #define H_PAGE_SET_LOANED (H_PAGE_SET_UNUSED | (1ULL<<(63-31)))
 296 #define H_PAGE_SET_ACTIVE H_PAGE_STATE_CHANGE
 297 #define H_AVPN            (1ULL<<(63-32))       /* An avpn is provided as a sanity test */
 298 #define H_ANDCOND         (1ULL<<(63-33))
 299 #define H_ICACHE_INVALIDATE (1ULL<<(63-40))     /* icbi, etc.  (ignored for IO pages) */
 300 #define H_ICACHE_SYNCHRONIZE (1ULL<<(63-41))    /* dcbst, icbi, etc (ignored for IO pages */
 301 #define H_ZERO_PAGE       (1ULL<<(63-48))       /* zero the page before mapping (ignored for IO pages) */
 302 #define H_COPY_PAGE       (1ULL<<(63-49))
 303 #define H_N               (1ULL<<(63-61))
 304 #define H_PP1             (1ULL<<(63-62))
 305 #define H_PP2             (1ULL<<(63-63))
 306
 307 /* Values for 2nd argument to H_SET_MODE */
 308 #define H_SET_MODE_RESOURCE_SET_CIABR           1
 309 #define H_SET_MODE_RESOURCE_SET_DAWR            2
 310 #define H_SET_MODE_RESOURCE_ADDR_TRANS_MODE     3
 311 #define H_SET_MODE_RESOURCE_LE                  4
 312
 313 /* Flags for H_SET_MODE_RESOURCE_LE */
 314 #define H_SET_MODE_ENDIAN_BIG    0
 315 #define H_SET_MODE_ENDIAN_LITTLE 1
 316
 317 /* VASI States */
 318 #define H_VASI_INVALID    0
 319 #define H_VASI_ENABLED    1
 320 #define H_VASI_ABORTED    2
 321 #define H_VASI_SUSPENDING 3
 322 #define H_VASI_SUSPENDED  4
 323 #define H_VASI_RESUMED    5
 324 #define H_VASI_COMPLETED  6
 325
 326 /* DABRX flags */
 327 #define H_DABRX_HYPERVISOR (1ULL<<(63-61))
 328 #define H_DABRX_KERNEL     (1ULL<<(63-62))
 329 #define H_DABRX_USER       (1ULL<<(63-63))
 330
 331 /* Values for KVM_PPC_GET_CPU_CHAR & H_GET_CPU_CHARACTERISTICS */
 332 #define H_CPU_CHAR_SPEC_BAR_ORI31               PPC_BIT(0)
 333 #define H_CPU_CHAR_BCCTRL_SERIALISED            PPC_BIT(1)
 334 #define H_CPU_CHAR_L1D_FLUSH_ORI30              PPC_BIT(2)
 335 #define H_CPU_CHAR_L1D_FLUSH_TRIG2              PPC_BIT(3)
 336 #define H_CPU_CHAR_L1D_THREAD_PRIV              PPC_BIT(4)
 337 #define H_CPU_CHAR_HON_BRANCH_HINTS             PPC_BIT(5)
 338 #define H_CPU_CHAR_THR_RECONF_TRIG              PPC_BIT(6)
 339 #define H_CPU_CHAR_CACHE_COUNT_DIS              PPC_BIT(7)
 340 #define H_CPU_BEHAV_FAVOUR_SECURITY             PPC_BIT(0)
 341 #define H_CPU_BEHAV_L1D_FLUSH_PR                PPC_BIT(1)
 342 #define H_CPU_BEHAV_BNDS_CHK_SPEC_BAR           PPC_BIT(2)
 343
 344 /* Each control block has to be on a 4K boundary */
 345 #define H_CB_ALIGNMENT     4096
 346
 347 /* pSeries hypervisor opcodes */
 348 #define H_REMOVE                0x04
 349 #define H_ENTER                 0x08
 350 #define H_READ                  0x0c
 351 #define H_CLEAR_MOD             0x10
 352 #define H_CLEAR_REF             0x14
 353 #define H_PROTECT               0x18
 354 #define H_GET_TCE               0x1c
 355 #define H_PUT_TCE               0x20
 356 #define H_SET_SPRG0             0x24
 357 #define H_SET_DABR              0x28
 358 #define H_PAGE_INIT             0x2c
 359 #define H_SET_ASR               0x30
 360 #define H_ASR_ON                0x34
 361 #define H_ASR_OFF               0x38
 362 #define H_LOGICAL_CI_LOAD       0x3c
 363 #define H_LOGICAL_CI_STORE      0x40
 364 #define H_LOGICAL_CACHE_LOAD    0x44
 365 #define H_LOGICAL_CACHE_STORE   0x48
 366 #define H_LOGICAL_ICBI          0x4c
 367 #define H_LOGICAL_DCBF          0x50
 368 #define H_GET_TERM_CHAR         0x54
 369 #define H_PUT_TERM_CHAR         0x58
 370 #define H_REAL_TO_LOGICAL       0x5c
 371 #define H_HYPERVISOR_DATA       0x60
 372 #define H_EOI                   0x64
 373 #define H_CPPR                  0x68
 374 #define H_IPI                   0x6c
 375 #define H_IPOLL                 0x70
 376 #define H_XIRR                  0x74
 377 #define H_PERFMON               0x7c
 378 #define H_MIGRATE_DMA           0x78
 379 #define H_REGISTER_VPA          0xDC
 380 #define H_CEDE                  0xE0
 381 #define H_CONFER                0xE4
 382 #define H_PROD                  0xE8
 383 #define H_GET_PPP               0xEC
 384 #define H_SET_PPP               0xF0
 385 #define H_PURR                  0xF4
 386 #define H_PIC                   0xF8
 387 #define H_REG_CRQ               0xFC
 388 #define H_FREE_CRQ              0x100
 389 #define H_VIO_SIGNAL            0x104
 390 #define H_SEND_CRQ              0x108
 391 #define H_COPY_RDMA             0x110
 392 #define H_REGISTER_LOGICAL_LAN  0x114
 393 #define H_FREE_LOGICAL_LAN      0x118
 394 #define H_ADD_LOGICAL_LAN_BUFFER 0x11C
 395 #define H_SEND_LOGICAL_LAN      0x120
 396 #define H_BULK_REMOVE           0x124
 397 #define H_MULTICAST_CTRL        0x130
 398 #define H_SET_XDABR             0x134
 399 #define H_STUFF_TCE             0x138
 400 #define H_PUT_TCE_INDIRECT      0x13C
 401 #define H_CHANGE_LOGICAL_LAN_MAC 0x14C
 402 #define H_VTERM_PARTNER_INFO    0x150
 403 #define H_REGISTER_VTERM        0x154
 404 #define H_FREE_VTERM            0x158
 405 #define H_RESET_EVENTS          0x15C
 406 #define H_ALLOC_RESOURCE        0x160
 407 #define H_FREE_RESOURCE         0x164
 408 #define H_MODIFY_QP             0x168
 409 #define H_QUERY_QP              0x16C
 410 #define H_REREGISTER_PMR        0x170
 411 #define H_REGISTER_SMR          0x174
 412 #define H_QUERY_MR              0x178
 413 #define H_QUERY_MW              0x17C
 414 #define H_QUERY_HCA             0x180
 415 #define H_QUERY_PORT            0x184
 416 #define H_MODIFY_PORT           0x188
 417 #define H_DEFINE_AQP1           0x18C
 418 #define H_GET_TRACE_BUFFER      0x190
 419 #define H_DEFINE_AQP0           0x194
 420 #define H_RESIZE_MR             0x198
 421 #define H_ATTACH_MCQP           0x19C
 422 #define H_DETACH_MCQP           0x1A0
 423 #define H_CREATE_RPT            0x1A4
 424 #define H_REMOVE_RPT            0x1A8
 425 #define H_REGISTER_RPAGES       0x1AC
 426 #define H_DISABLE_AND_GETC      0x1B0
 427 #define H_ERROR_DATA            0x1B4
 428 #define H_GET_HCA_INFO          0x1B8
 429 #define H_GET_PERF_COUNT        0x1BC
 430 #define H_MANAGE_TRACE          0x1C0
 431 #define H_GET_CPU_CHARACTERISTICS 0x1C8
 432 #define H_FREE_LOGICAL_LAN_BUFFER 0x1D4
 433 #define H_QUERY_INT_STATE       0x1E4
 434 #define H_POLL_PENDING          0x1D8
 435 #define H_ILLAN_ATTRIBUTES      0x244
 436 #define H_MODIFY_HEA_QP         0x250
 437 #define H_QUERY_HEA_QP          0x254
 438 #define H_QUERY_HEA             0x258
 439 #define H_QUERY_HEA_PORT        0x25C
 440 #define H_MODIFY_HEA_PORT       0x260
 441 #define H_REG_BCMC              0x264
 442 #define H_DEREG_BCMC            0x268
 443 #define H_REGISTER_HEA_RPAGES   0x26C
 444 #define H_DISABLE_AND_GET_HEA   0x270
 445 #define H_GET_HEA_INFO          0x274
 446 #define H_ALLOC_HEA_RESOURCE    0x278
 447 #define H_ADD_CONN              0x284
 448 #define H_DEL_CONN              0x288
 449 #define H_JOIN                  0x298
 450 #define H_VASI_STATE            0x2A4
 451 #define H_ENABLE_CRQ            0x2B0
 452 #define H_GET_EM_PARMS          0x2B8
 453 #define H_SET_MPP               0x2D0
 454 #define H_GET_MPP               0x2D4
 455 #define H_HOME_NODE_ASSOCIATIVITY 0x2EC
 456 #define H_XIRR_X                0x2FC
 457 #define H_RANDOM                0x300
 458 #define H_SET_MODE              0x31C
 459 #define H_RESIZE_HPT_PREPARE    0x36C
 460 #define H_RESIZE_HPT_COMMIT     0x370
 461 #define H_CLEAN_SLB             0x374
 462 #define H_INVALIDATE_PID        0x378
 463 #define H_REGISTER_PROC_TBL     0x37C
 464 #define H_SIGNAL_SYS_RESET      0x380
 465
 466 #define H_INT_GET_SOURCE_INFO   0x3A8
 467 #define H_INT_SET_SOURCE_CONFIG 0x3AC
 468 #define H_INT_GET_SOURCE_CONFIG 0x3B0
 469 #define H_INT_GET_QUEUE_INFO    0x3B4
 470 #define H_INT_SET_QUEUE_CONFIG  0x3B8
 471 #define H_INT_GET_QUEUE_CONFIG  0x3BC
 472 #define H_INT_SET_OS_REPORTING_LINE 0x3C0
 473 #define H_INT_GET_OS_REPORTING_LINE 0x3C4
 474 #define H_INT_ESB               0x3C8
 475 #define H_INT_SYNC              0x3CC
 476 #define H_INT_RESET             0x3D0
 477
 478 #define MAX_HCALL_OPCODE        H_INT_RESET
 479
 480 /* The hcalls above are standardized in PAPR and implemented by pHyp
 481  * as well.
 482  *
 483  * We also need some hcalls which are specific to qemu / KVM-on-POWER.
 484  * We put those into the 0xf000-0xfffc range which is reserved by PAPR
 485  * for "platform-specific" hcalls.
 486  */
 487 #define KVMPPC_HCALL_BASE       0xf000
 488 #define KVMPPC_H_RTAS           (KVMPPC_HCALL_BASE + 0x0)
 489 #define KVMPPC_H_LOGICAL_MEMOP  (KVMPPC_HCALL_BASE + 0x1)
 490 /* Client Architecture support */
 491 #define KVMPPC_H_CAS            (KVMPPC_HCALL_BASE + 0x2)
 492 #define KVMPPC_H_UPDATE_DT      (KVMPPC_HCALL_BASE + 0x3)
 493 #define KVMPPC_HCALL_MAX        KVMPPC_H_UPDATE_DT
 494
 495 typedef struct sPAPRDeviceTreeUpdateHeader {
 496     uint32_t version_id;
 497 } sPAPRDeviceTreeUpdateHeader;
 498
 499 #define hcall_dprintf(fmt, ...) \
 500     do { \
 501         qemu_log_mask(LOG_GUEST_ERROR, "%s: " fmt, __func__, ## __VA_ARGS__); \
 502     } while (0)
 503
 504 typedef target_ulong (*spapr_hcall_fn)(PowerPCCPU *cpu, sPAPRMachineState *sm,
 505                                        target_ulong opcode,
 506                                        target_ulong *args);
 507
 508 void spapr_register_hypercall(target_ulong opcode, spapr_hcall_fn fn);
 509 target_ulong spapr_hypercall(PowerPCCPU *cpu, target_ulong opcode,
 510                              target_ulong *args);
 511
 512 /* ibm,set-eeh-option */
 513 #define RTAS_EEH_DISABLE                 0
 514 #define RTAS_EEH_ENABLE                  1
 515 #define RTAS_EEH_THAW_IO                 2
 516 #define RTAS_EEH_THAW_DMA                3
 517
 518 /* ibm,get-config-addr-info2 */
 519 #define RTAS_GET_PE_ADDR                 0
 520 #define RTAS_GET_PE_MODE                 1
 521 #define RTAS_PE_MODE_NONE                0
 522 #define RTAS_PE_MODE_NOT_SHARED          1
 523 #define RTAS_PE_MODE_SHARED              2
 524
 525 /* ibm,read-slot-reset-state2 */
 526 #define RTAS_EEH_PE_STATE_NORMAL         0
 527 #define RTAS_EEH_PE_STATE_RESET          1
 528 #define RTAS_EEH_PE_STATE_STOPPED_IO_DMA 2
 529 #define RTAS_EEH_PE_STATE_STOPPED_DMA    4
 530 #define RTAS_EEH_PE_STATE_UNAVAIL        5
 531 #define RTAS_EEH_NOT_SUPPORT             0
 532 #define RTAS_EEH_SUPPORT                 1
 533 #define RTAS_EEH_PE_UNAVAIL_INFO         1000
 534 #define RTAS_EEH_PE_RECOVER_INFO         0
 535
 536 /* ibm,set-slot-reset */
 537 #define RTAS_SLOT_RESET_DEACTIVATE       0
 538 #define RTAS_SLOT_RESET_HOT              1
 539 #define RTAS_SLOT_RESET_FUNDAMENTAL      3
 540
 541 /* ibm,slot-error-detail */
 542 #define RTAS_SLOT_TEMP_ERR_LOG           1
 543 #define RTAS_SLOT_PERM_ERR_LOG           2
 544
 545 /* RTAS return codes */
 546 #define RTAS_OUT_SUCCESS                        0
 547 #define RTAS_OUT_NO_ERRORS_FOUND                1
 548 #define RTAS_OUT_HW_ERROR                       -1
 549 #define RTAS_OUT_BUSY                           -2
 550 #define RTAS_OUT_PARAM_ERROR                    -3
 551 #define RTAS_OUT_NOT_SUPPORTED                  -3
 552 #define RTAS_OUT_NO_SUCH_INDICATOR              -3
 553 #define RTAS_OUT_NOT_AUTHORIZED                 -9002
 554 #define RTAS_OUT_SYSPARM_PARAM_ERROR            -9999
 555
 556 /* DDW pagesize mask values from ibm,query-pe-dma-window */
 557 #define RTAS_DDW_PGSIZE_4K       0x01
 558 #define RTAS_DDW_PGSIZE_64K      0x02
 559 #define RTAS_DDW_PGSIZE_16M      0x04
 560 #define RTAS_DDW_PGSIZE_32M      0x08
 561 #define RTAS_DDW_PGSIZE_64M      0x10
 562 #define RTAS_DDW_PGSIZE_128M     0x20
 563 #define RTAS_DDW_PGSIZE_256M     0x40
 564 #define RTAS_DDW_PGSIZE_16G      0x80
 565
 566 /* RTAS tokens */
 567 #define RTAS_TOKEN_BASE      0x2000
 568
 569 #define RTAS_DISPLAY_CHARACTER                  (RTAS_TOKEN_BASE + 0x00)
 570 #define RTAS_GET_TIME_OF_DAY                    (RTAS_TOKEN_BASE + 0x01)
 571 #define RTAS_SET_TIME_OF_DAY                    (RTAS_TOKEN_BASE + 0x02)
 572 #define RTAS_POWER_OFF                          (RTAS_TOKEN_BASE + 0x03)
 573 #define RTAS_SYSTEM_REBOOT                      (RTAS_TOKEN_BASE + 0x04)
 574 #define RTAS_QUERY_CPU_STOPPED_STATE            (RTAS_TOKEN_BASE + 0x05)
 575 #define RTAS_START_CPU                          (RTAS_TOKEN_BASE + 0x06)
 576 #define RTAS_STOP_SELF                          (RTAS_TOKEN_BASE + 0x07)
 577 #define RTAS_IBM_GET_SYSTEM_PARAMETER           (RTAS_TOKEN_BASE + 0x08)
 578 #define RTAS_IBM_SET_SYSTEM_PARAMETER           (RTAS_TOKEN_BASE + 0x09)
 579 #define RTAS_IBM_SET_XIVE                       (RTAS_TOKEN_BASE + 0x0A)
 580 #define RTAS_IBM_GET_XIVE                       (RTAS_TOKEN_BASE + 0x0B)
 581 #define RTAS_IBM_INT_OFF                        (RTAS_TOKEN_BASE + 0x0C)
 582 #define RTAS_IBM_INT_ON                         (RTAS_TOKEN_BASE + 0x0D)
 583 #define RTAS_CHECK_EXCEPTION                    (RTAS_TOKEN_BASE + 0x0E)
 584 #define RTAS_EVENT_SCAN                         (RTAS_TOKEN_BASE + 0x0F)
 585 #define RTAS_IBM_SET_TCE_BYPASS                 (RTAS_TOKEN_BASE + 0x10)
 586 #define RTAS_QUIESCE                            (RTAS_TOKEN_BASE + 0x11)
 587 #define RTAS_NVRAM_FETCH                        (RTAS_TOKEN_BASE + 0x12)
 588 #define RTAS_NVRAM_STORE                        (RTAS_TOKEN_BASE + 0x13)
 589 #define RTAS_READ_PCI_CONFIG                    (RTAS_TOKEN_BASE + 0x14)
 590 #define RTAS_WRITE_PCI_CONFIG                   (RTAS_TOKEN_BASE + 0x15)
 591 #define RTAS_IBM_READ_PCI_CONFIG                (RTAS_TOKEN_BASE + 0x16)
 592 #define RTAS_IBM_WRITE_PCI_CONFIG               (RTAS_TOKEN_BASE + 0x17)
 593 #define RTAS_IBM_QUERY_INTERRUPT_SOURCE_NUMBER  (RTAS_TOKEN_BASE + 0x18)
 594 #define RTAS_IBM_CHANGE_MSI                     (RTAS_TOKEN_BASE + 0x19)
 595 #define RTAS_SET_INDICATOR                      (RTAS_TOKEN_BASE + 0x1A)
 596 #define RTAS_SET_POWER_LEVEL                    (RTAS_TOKEN_BASE + 0x1B)
 597 #define RTAS_GET_POWER_LEVEL                    (RTAS_TOKEN_BASE + 0x1C)
 598 #define RTAS_GET_SENSOR_STATE                   (RTAS_TOKEN_BASE + 0x1D)
 599 #define RTAS_IBM_CONFIGURE_CONNECTOR            (RTAS_TOKEN_BASE + 0x1E)
 600 #define RTAS_IBM_OS_TERM                        (RTAS_TOKEN_BASE + 0x1F)
 601 #define RTAS_IBM_SET_EEH_OPTION                 (RTAS_TOKEN_BASE + 0x20)
 602 #define RTAS_IBM_GET_CONFIG_ADDR_INFO2          (RTAS_TOKEN_BASE + 0x21)
 603 #define RTAS_IBM_READ_SLOT_RESET_STATE2         (RTAS_TOKEN_BASE + 0x22)
 604 #define RTAS_IBM_SET_SLOT_RESET                 (RTAS_TOKEN_BASE + 0x23)
 605 #define RTAS_IBM_CONFIGURE_PE                   (RTAS_TOKEN_BASE + 0x24)
 606 #define RTAS_IBM_SLOT_ERROR_DETAIL              (RTAS_TOKEN_BASE + 0x25)
 607 #define RTAS_IBM_QUERY_PE_DMA_WINDOW            (RTAS_TOKEN_BASE + 0x26)
 608 #define RTAS_IBM_CREATE_PE_DMA_WINDOW           (RTAS_TOKEN_BASE + 0x27)
 609 #define RTAS_IBM_REMOVE_PE_DMA_WINDOW           (RTAS_TOKEN_BASE + 0x28)
 610 #define RTAS_IBM_RESET_PE_DMA_WINDOW            (RTAS_TOKEN_BASE + 0x29)
 611
 612 #define RTAS_TOKEN_MAX                          (RTAS_TOKEN_BASE + 0x2A)
 613
 614 /* RTAS ibm,get-system-parameter token values */
 615 #define RTAS_SYSPARM_SPLPAR_CHARACTERISTICS      20
 616 #define RTAS_SYSPARM_DIAGNOSTICS_RUN_MODE        42
 617 #define RTAS_SYSPARM_UUID                        48
 618
 619 /* RTAS indicator/sensor types
 620  *
 621  * as defined by PAPR+ 2.7 7.3.5.4, Table 41
 622  *
 623  * NOTE: currently only DR-related sensors are implemented here
 624  */
 625 #define RTAS_SENSOR_TYPE_ISOLATION_STATE        9001
 626 #define RTAS_SENSOR_TYPE_DR                     9002
 627 #define RTAS_SENSOR_TYPE_ALLOCATION_STATE       9003
 628 #define RTAS_SENSOR_TYPE_ENTITY_SENSE RTAS_SENSOR_TYPE_ALLOCATION_STATE
 629
 630 /* Possible values for the platform-processor-diagnostics-run-mode parameter
 631  * of the RTAS ibm,get-system-parameter call.
 632  */
 633 #define DIAGNOSTICS_RUN_MODE_DISABLED  0
 634 #define DIAGNOSTICS_RUN_MODE_STAGGERED 1
 635 #define DIAGNOSTICS_RUN_MODE_IMMEDIATE 2
 636 #define DIAGNOSTICS_RUN_MODE_PERIODIC  3
 637
 638 static inline uint64_t ppc64_phys_to_real(uint64_t addr)
 639 {
 640     return addr & ~0xF000000000000000ULL;
 641 }
 642
 643 static inline uint32_t rtas_ld(target_ulong phys, int n)
 644 {
 645     return ldl_be_phys(&address_space_memory, ppc64_phys_to_real(phys + 4*n));
 646 }
 647
 648 static inline uint64_t rtas_ldq(target_ulong phys, int n)
 649 {
 650     return (uint64_t)rtas_ld(phys, n) << 32 | rtas_ld(phys, n + 1);
 651 }
 652
 653 static inline void rtas_st(target_ulong phys, int n, uint32_t val)
 654 {
 655     stl_be_phys(&address_space_memory, ppc64_phys_to_real(phys + 4*n), val);
 656 }
 657
 658 typedef void (*spapr_rtas_fn)(PowerPCCPU *cpu, sPAPRMachineState *sm,
 659                               uint32_t token,
 660                               uint32_t nargs, target_ulong args,
 661                               uint32_t nret, target_ulong rets);
 662 void spapr_rtas_register(int token, const char *name, spapr_rtas_fn fn);
 663 target_ulong spapr_rtas_call(PowerPCCPU *cpu, sPAPRMachineState *sm,
 664                              uint32_t token, uint32_t nargs, target_ulong args,
 665                              uint32_t nret, target_ulong rets);
 666 void spapr_dt_rtas_tokens(void *fdt, int rtas);
 667 void spapr_load_rtas(sPAPRMachineState *spapr, void *fdt, hwaddr addr);
 668
 669 #define SPAPR_TCE_PAGE_SHIFT   12
 670 #define SPAPR_TCE_PAGE_SIZE    (1ULL << SPAPR_TCE_PAGE_SHIFT)
 671 #define SPAPR_TCE_PAGE_MASK    (SPAPR_TCE_PAGE_SIZE - 1)
 672
 673 #define SPAPR_VIO_BASE_LIOBN    0x00000000
 674 #define SPAPR_VIO_LIOBN(reg)    (0x00000000 | (reg))
 675 #define SPAPR_PCI_LIOBN(phb_index, window_num) \
 676     (0x80000000 | ((phb_index) << 8) | (window_num))
 677 #define SPAPR_IS_PCI_LIOBN(liobn)   (!!((liobn) & 0x80000000))
 678 #define SPAPR_PCI_DMA_WINDOW_NUM(liobn) ((liobn) & 0xff)
 679
 680 #define RTAS_ERROR_LOG_MAX      2048
 681
 682 #define RTAS_EVENT_SCAN_RATE    1
 683
 684 /* This helper should be used to encode interrupt specifiers when the related
 685  * "interrupt-controller" node has its "#interrupt-cells" property set to 2 (ie,
 686  * VIO devices, RTAS event sources and PHBs).
 687  */
 688 static inline void spapr_dt_irq(uint32_t *intspec, int irq, bool is_lsi)
 689 {
 690     intspec[0] = cpu_to_be32(irq);
 691     intspec[1] = is_lsi ? cpu_to_be32(1) : 0;
 692 }
 693
 694 typedef struct sPAPRTCETable sPAPRTCETable;
 695
 696 #define TYPE_SPAPR_TCE_TABLE "spapr-tce-table"
 697 #define SPAPR_TCE_TABLE(obj) \
 698     OBJECT_CHECK(sPAPRTCETable, (obj), TYPE_SPAPR_TCE_TABLE)
 699
 700 #define TYPE_SPAPR_IOMMU_MEMORY_REGION "spapr-iommu-memory-region"
 701 #define SPAPR_IOMMU_MEMORY_REGION(obj) \
 702         OBJECT_CHECK(IOMMUMemoryRegion, (obj), TYPE_SPAPR_IOMMU_MEMORY_REGION)
 703
 704 struct sPAPRTCETable {
 705     DeviceState parent;
 706     uint32_t liobn;
 707     uint32_t nb_table;
 708     uint64_t bus_offset;
 709     uint32_t page_shift;
 710     uint64_t *table;
 711     uint32_t mig_nb_table;
 712     uint64_t *mig_table;
 713     bool bypass;
 714     bool need_vfio;
 715     int fd;
 716     MemoryRegion root;
 717     IOMMUMemoryRegion iommu;
 718     struct VIOsPAPRDevice *vdev; /* for @bypass migration compatibility only */
 719     QLIST_ENTRY(sPAPRTCETable) list;
 720 };
 721
 722 sPAPRTCETable *spapr_tce_find_by_liobn(target_ulong liobn);
 723
 724 struct sPAPREventLogEntry {
 725     uint32_t summary;
 726     uint32_t extended_length;
 727     void *extended_log;
 728     QTAILQ_ENTRY(sPAPREventLogEntry) next;
 729 };
 730
 731 void spapr_events_init(sPAPRMachineState *sm);
 732 void spapr_dt_events(sPAPRMachineState *sm, void *fdt);
 733 int spapr_h_cas_compose_response(sPAPRMachineState *sm,
 734                                  target_ulong addr, target_ulong size,
 735                                  sPAPROptionVector *ov5_updates);
 736 void close_htab_fd(sPAPRMachineState *spapr);
 737 void spapr_setup_hpt_and_vrma(sPAPRMachineState *spapr);
 738 void spapr_free_hpt(sPAPRMachineState *spapr);
 739 sPAPRTCETable *spapr_tce_new_table(DeviceState *owner, uint32_t liobn);
 740 void spapr_tce_table_enable(sPAPRTCETable *tcet,
 741                             uint32_t page_shift, uint64_t bus_offset,
 742                             uint32_t nb_table);
 743 void spapr_tce_table_disable(sPAPRTCETable *tcet);
 744 void spapr_tce_set_need_vfio(sPAPRTCETable *tcet, bool need_vfio);
 745
 746 MemoryRegion *spapr_tce_get_iommu(sPAPRTCETable *tcet);
 747 int spapr_dma_dt(void *fdt, int node_off, const char *propname,
 748                  uint32_t liobn, uint64_t window, uint32_t size);
 749 int spapr_tcet_dma_dt(void *fdt, int node_off, const char *propname,
 750                       sPAPRTCETable *tcet);
 751 void spapr_pci_switch_vga(bool big_endian);
 752 void spapr_hotplug_req_add_by_index(sPAPRDRConnector *drc);
 753 void spapr_hotplug_req_remove_by_index(sPAPRDRConnector *drc);
 754 void spapr_hotplug_req_add_by_count(sPAPRDRConnectorType drc_type,
 755                                        uint32_t count);
 756 void spapr_hotplug_req_remove_by_count(sPAPRDRConnectorType drc_type,
 757                                           uint32_t count);
 758 void spapr_hotplug_req_add_by_count_indexed(sPAPRDRConnectorType drc_type,
 759                                             uint32_t count, uint32_t index);
 760 void spapr_hotplug_req_remove_by_count_indexed(sPAPRDRConnectorType drc_type,
 761                                                uint32_t count, uint32_t index);
 762 int spapr_hpt_shift_for_ramsize(uint64_t ramsize);
 763 void spapr_reallocate_hpt(sPAPRMachineState *spapr, int shift,
 764                           Error **errp);
 765 void spapr_clear_pending_events(sPAPRMachineState *spapr);
 766 int spapr_max_server_number(sPAPRMachineState *spapr);
 767
 768 /* DRC callbacks. */
 769 void spapr_core_release(DeviceState *dev);
 770 int spapr_core_dt_populate(sPAPRDRConnector *drc, sPAPRMachineState *spapr,
 771                            void *fdt, int *fdt_start_offset, Error **errp);
 772 void spapr_lmb_release(DeviceState *dev);
 773 int spapr_lmb_dt_populate(sPAPRDRConnector *drc, sPAPRMachineState *spapr,
 774                           void *fdt, int *fdt_start_offset, Error **errp);
 775
 776 void spapr_rtc_read(sPAPRRTCState *rtc, struct tm *tm, uint32_t *ns);
 777 int spapr_rtc_import_offset(sPAPRRTCState *rtc, int64_t legacy_offset);
 778
 779 #define TYPE_SPAPR_RNG "spapr-rng"
 780
 781 #define SPAPR_MEMORY_BLOCK_SIZE (1 << 28) /* 256MB */
 782
 783 /*
 784  * This defines the maximum number of DIMM slots we can have for sPAPR
 785  * guest. This is not defined by sPAPR but we are defining it to 32 slots
 786  * based on default number of slots provided by PowerPC kernel.
 787  */
 788 #define SPAPR_MAX_RAM_SLOTS     32
 789
 790 /* 1GB alignment for hotplug memory region */
 791 #define SPAPR_DEVICE_MEM_ALIGN (1 * GiB)
 792
 793 /*
 794  * Number of 32 bit words in each LMB list entry in ibm,dynamic-memory
 795  * property under ibm,dynamic-reconfiguration-memory node.
 796  */
 797 #define SPAPR_DR_LMB_LIST_ENTRY_SIZE 6
 798
 799 /*
 800  * Defines for flag value in ibm,dynamic-memory property under
 801  * ibm,dynamic-reconfiguration-memory node.
 802  */
 803 #define SPAPR_LMB_FLAGS_ASSIGNED 0x00000008
 804 #define SPAPR_LMB_FLAGS_DRC_INVALID 0x00000020
 805 #define SPAPR_LMB_FLAGS_RESERVED 0x00000080
 806
 807 void spapr_do_system_reset_on_cpu(CPUState *cs, run_on_cpu_data arg);
 808
 809 #define HTAB_SIZE(spapr)        (1ULL << ((spapr)->htab_shift))
 810
 811 int spapr_get_vcpu_id(PowerPCCPU *cpu);
 812 void spapr_set_vcpu_id(PowerPCCPU *cpu, int cpu_index, Error **errp);
 813 PowerPCCPU *spapr_find_cpu(int vcpu_id);
 814
 815 int spapr_caps_pre_load(void *opaque);
 816 int spapr_caps_pre_save(void *opaque);
 817
 818 /*
 819  * Handling of optional capabilities
 820  */
 821 extern const VMStateDescription vmstate_spapr_cap_htm;
 822 extern const VMStateDescription vmstate_spapr_cap_vsx;
 823 extern const VMStateDescription vmstate_spapr_cap_dfp;
 824 extern const VMStateDescription vmstate_spapr_cap_cfpc;
 825 extern const VMStateDescription vmstate_spapr_cap_sbbc;
 826 extern const VMStateDescription vmstate_spapr_cap_ibs;
 827 extern const VMStateDescription vmstate_spapr_cap_nested_kvm_hv;
 828
 829 static inline uint8_t spapr_get_cap(sPAPRMachineState *spapr, int cap)
 830 {
 831     return spapr->eff.caps[cap];
 832 }
 833
 834 void spapr_caps_init(sPAPRMachineState *spapr);
 835 void spapr_caps_apply(sPAPRMachineState *spapr);
 836 void spapr_caps_cpu_apply(sPAPRMachineState *spapr, PowerPCCPU *cpu);
 837 void spapr_caps_add_properties(sPAPRMachineClass *smc, Error **errp);
 838 int spapr_caps_post_migration(sPAPRMachineState *spapr);
 839
 840 void spapr_check_pagesize(sPAPRMachineState *spapr, hwaddr pagesize,
 841                           Error **errp);
 842 /*
 843  * XIVE definitions
 844  */
 845 #define SPAPR_OV5_XIVE_LEGACY   0x0
 846 #define SPAPR_OV5_XIVE_EXPLOIT  0x40
 847 #define SPAPR_OV5_XIVE_BOTH     0x80 /* Only to advertise on the platform */
 848
 849 void spapr_set_all_lpcrs(target_ulong value, target_ulong mask);
 850 #endif /* HW_SPAPR_H */