linux/arch/powerpc/include/asm/hvcall.h
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   1/* SPDX-License-Identifier: GPL-2.0 */
   2#ifndef _ASM_POWERPC_HVCALL_H
   3#define _ASM_POWERPC_HVCALL_H
   4#ifdef __KERNEL__
   5
   6#define HVSC                    .long 0x44000022
   7
   8#define H_SUCCESS       0
   9#define H_BUSY          1       /* Hardware busy -- retry later */
  10#define H_CLOSED        2       /* Resource closed */
  11#define H_NOT_AVAILABLE 3
  12#define H_CONSTRAINED   4       /* Resource request constrained to max allowed */
  13#define H_PARTIAL       5
  14#define H_IN_PROGRESS   14      /* Kind of like busy */
  15#define H_PAGE_REGISTERED 15
  16#define H_PARTIAL_STORE   16
  17#define H_PENDING       17      /* returned from H_POLL_PENDING */
  18#define H_CONTINUE      18      /* Returned from H_Join on success */
  19#define H_LONG_BUSY_START_RANGE         9900  /* Start of long busy range */
  20#define H_LONG_BUSY_ORDER_1_MSEC        9900  /* Long busy, hint that 1msec \
  21                                                 is a good time to retry */
  22#define H_LONG_BUSY_ORDER_10_MSEC       9901  /* Long busy, hint that 10msec \
  23                                                 is a good time to retry */
  24#define H_LONG_BUSY_ORDER_100_MSEC      9902  /* Long busy, hint that 100msec \
  25                                                 is a good time to retry */
  26#define H_LONG_BUSY_ORDER_1_SEC         9903  /* Long busy, hint that 1sec \
  27                                                 is a good time to retry */
  28#define H_LONG_BUSY_ORDER_10_SEC        9904  /* Long busy, hint that 10sec \
  29                                                 is a good time to retry */
  30#define H_LONG_BUSY_ORDER_100_SEC       9905  /* Long busy, hint that 100sec \
  31                                                 is a good time to retry */
  32#define H_LONG_BUSY_END_RANGE           9905  /* End of long busy range */
  33
  34/* Internal value used in book3s_hv kvm support; not returned to guests */
  35#define H_TOO_HARD      9999
  36
  37#define H_HARDWARE      -1      /* Hardware error */
  38#define H_FUNCTION      -2      /* Function not supported */
  39#define H_PRIVILEGE     -3      /* Caller not privileged */
  40#define H_PARAMETER     -4      /* Parameter invalid, out-of-range or conflicting */
  41#define H_BAD_MODE      -5      /* Illegal msr value */
  42#define H_PTEG_FULL     -6      /* PTEG is full */
  43#define H_NOT_FOUND     -7      /* PTE was not found" */
  44#define H_RESERVED_DABR -8      /* DABR address is reserved by the hypervisor on this processor" */
  45#define H_NO_MEM        -9
  46#define H_AUTHORITY     -10
  47#define H_PERMISSION    -11
  48#define H_DROPPED       -12
  49#define H_SOURCE_PARM   -13
  50#define H_DEST_PARM     -14
  51#define H_REMOTE_PARM   -15
  52#define H_RESOURCE      -16
  53#define H_ADAPTER_PARM  -17
  54#define H_RH_PARM       -18
  55#define H_RCQ_PARM      -19
  56#define H_SCQ_PARM      -20
  57#define H_EQ_PARM       -21
  58#define H_RT_PARM       -22
  59#define H_ST_PARM       -23
  60#define H_SIGT_PARM     -24
  61#define H_TOKEN_PARM    -25
  62#define H_MLENGTH_PARM  -27
  63#define H_MEM_PARM      -28
  64#define H_MEM_ACCESS_PARM -29
  65#define H_ATTR_PARM     -30
  66#define H_PORT_PARM     -31
  67#define H_MCG_PARM      -32
  68#define H_VL_PARM       -33
  69#define H_TSIZE_PARM    -34
  70#define H_TRACE_PARM    -35
  71
  72#define H_MASK_PARM     -37
  73#define H_MCG_FULL      -38
  74#define H_ALIAS_EXIST   -39
  75#define H_P_COUNTER     -40
  76#define H_TABLE_FULL    -41
  77#define H_ALT_TABLE     -42
  78#define H_MR_CONDITION  -43
  79#define H_NOT_ENOUGH_RESOURCES -44
  80#define H_R_STATE       -45
  81#define H_RESCINDED     -46
  82#define H_P2            -55
  83#define H_P3            -56
  84#define H_P4            -57
  85#define H_P5            -58
  86#define H_P6            -59
  87#define H_P7            -60
  88#define H_P8            -61
  89#define H_P9            -62
  90#define H_TOO_BIG       -64
  91#define H_UNSUPPORTED   -67
  92#define H_OVERLAP       -68
  93#define H_INTERRUPT     -69
  94#define H_BAD_DATA      -70
  95#define H_NOT_ACTIVE    -71
  96#define H_SG_LIST       -72
  97#define H_OP_MODE       -73
  98#define H_COP_HW        -74
  99#define H_STATE         -75
 100#define H_UNSUPPORTED_FLAG_START        -256
 101#define H_UNSUPPORTED_FLAG_END          -511
 102#define H_MULTI_THREADS_ACTIVE  -9005
 103#define H_OUTSTANDING_COP_OPS   -9006
 104
 105
 106/* Long Busy is a condition that can be returned by the firmware
 107 * when a call cannot be completed now, but the identical call
 108 * should be retried later.  This prevents calls blocking in the
 109 * firmware for long periods of time.  Annoyingly the firmware can return
 110 * a range of return codes, hinting at how long we should wait before
 111 * retrying.  If you don't care for the hint, the macro below is a good
 112 * way to check for the long_busy return codes
 113 */
 114#define H_IS_LONG_BUSY(x)  ((x >= H_LONG_BUSY_START_RANGE) \
 115                             && (x <= H_LONG_BUSY_END_RANGE))
 116
 117/* Flags */
 118#define H_LARGE_PAGE            (1UL<<(63-16))
 119#define H_EXACT                 (1UL<<(63-24))  /* Use exact PTE or return H_PTEG_FULL */
 120#define H_R_XLATE               (1UL<<(63-25))  /* include a valid logical page num in the pte if the valid bit is set */
 121#define H_READ_4                (1UL<<(63-26))  /* Return 4 PTEs */
 122#define H_PAGE_STATE_CHANGE     (1UL<<(63-28))
 123#define H_PAGE_UNUSED           ((1UL<<(63-29)) | (1UL<<(63-30)))
 124#define H_PAGE_SET_UNUSED       (H_PAGE_STATE_CHANGE | H_PAGE_UNUSED)
 125#define H_PAGE_SET_LOANED       (H_PAGE_SET_UNUSED | (1UL<<(63-31)))
 126#define H_PAGE_SET_ACTIVE       H_PAGE_STATE_CHANGE
 127#define H_AVPN                  (1UL<<(63-32))  /* An avpn is provided as a sanity test */
 128#define H_ANDCOND               (1UL<<(63-33))
 129#define H_LOCAL                 (1UL<<(63-35))
 130#define H_ICACHE_INVALIDATE     (1UL<<(63-40))  /* icbi, etc.  (ignored for IO pages) */
 131#define H_ICACHE_SYNCHRONIZE    (1UL<<(63-41))  /* dcbst, icbi, etc (ignored for IO pages */
 132#define H_COALESCE_CAND (1UL<<(63-42))  /* page is a good candidate for coalescing */
 133#define H_ZERO_PAGE             (1UL<<(63-48))  /* zero the page before mapping (ignored for IO pages) */
 134#define H_COPY_PAGE             (1UL<<(63-49))
 135#define H_N                     (1UL<<(63-61))
 136#define H_PP1                   (1UL<<(63-62))
 137#define H_PP2                   (1UL<<(63-63))
 138
 139/* Flags for H_REGISTER_VPA subfunction field */
 140#define H_VPA_FUNC_SHIFT        (63-18) /* Bit posn of subfunction code */
 141#define H_VPA_FUNC_MASK         7UL
 142#define H_VPA_REG_VPA           1UL     /* Register Virtual Processor Area */
 143#define H_VPA_REG_DTL           2UL     /* Register Dispatch Trace Log */
 144#define H_VPA_REG_SLB           3UL     /* Register SLB shadow buffer */
 145#define H_VPA_DEREG_VPA         5UL     /* Deregister Virtual Processor Area */
 146#define H_VPA_DEREG_DTL         6UL     /* Deregister Dispatch Trace Log */
 147#define H_VPA_DEREG_SLB         7UL     /* Deregister SLB shadow buffer */
 148
 149/* VASI States */
 150#define H_VASI_INVALID          0
 151#define H_VASI_ENABLED          1
 152#define H_VASI_ABORTED          2
 153#define H_VASI_SUSPENDING       3
 154#define H_VASI_SUSPENDED        4
 155#define H_VASI_RESUMED          5
 156#define H_VASI_COMPLETED        6
 157
 158/* Each control block has to be on a 4K boundary */
 159#define H_CB_ALIGNMENT          4096
 160
 161/* pSeries hypervisor opcodes */
 162#define H_REMOVE                0x04
 163#define H_ENTER                 0x08
 164#define H_READ                  0x0c
 165#define H_CLEAR_MOD             0x10
 166#define H_CLEAR_REF             0x14
 167#define H_PROTECT               0x18
 168#define H_GET_TCE               0x1c
 169#define H_PUT_TCE               0x20
 170#define H_SET_SPRG0             0x24
 171#define H_SET_DABR              0x28
 172#define H_PAGE_INIT             0x2c
 173#define H_SET_ASR               0x30
 174#define H_ASR_ON                0x34
 175#define H_ASR_OFF               0x38
 176#define H_LOGICAL_CI_LOAD       0x3c
 177#define H_LOGICAL_CI_STORE      0x40
 178#define H_LOGICAL_CACHE_LOAD    0x44
 179#define H_LOGICAL_CACHE_STORE   0x48
 180#define H_LOGICAL_ICBI          0x4c
 181#define H_LOGICAL_DCBF          0x50
 182#define H_GET_TERM_CHAR         0x54
 183#define H_PUT_TERM_CHAR         0x58
 184#define H_REAL_TO_LOGICAL       0x5c
 185#define H_HYPERVISOR_DATA       0x60
 186#define H_EOI                   0x64
 187#define H_CPPR                  0x68
 188#define H_IPI                   0x6c
 189#define H_IPOLL                 0x70
 190#define H_XIRR                  0x74
 191#define H_PERFMON               0x7c
 192#define H_MIGRATE_DMA           0x78
 193#define H_REGISTER_VPA          0xDC
 194#define H_CEDE                  0xE0
 195#define H_CONFER                0xE4
 196#define H_PROD                  0xE8
 197#define H_GET_PPP               0xEC
 198#define H_SET_PPP               0xF0
 199#define H_PURR                  0xF4
 200#define H_PIC                   0xF8
 201#define H_REG_CRQ               0xFC
 202#define H_FREE_CRQ              0x100
 203#define H_VIO_SIGNAL            0x104
 204#define H_SEND_CRQ              0x108
 205#define H_COPY_RDMA             0x110
 206#define H_REGISTER_LOGICAL_LAN  0x114
 207#define H_FREE_LOGICAL_LAN      0x118
 208#define H_ADD_LOGICAL_LAN_BUFFER 0x11C
 209#define H_SEND_LOGICAL_LAN      0x120
 210#define H_BULK_REMOVE           0x124
 211#define H_MULTICAST_CTRL        0x130
 212#define H_SET_XDABR             0x134
 213#define H_STUFF_TCE             0x138
 214#define H_PUT_TCE_INDIRECT      0x13C
 215#define H_CHANGE_LOGICAL_LAN_MAC 0x14C
 216#define H_VTERM_PARTNER_INFO    0x150
 217#define H_REGISTER_VTERM        0x154
 218#define H_FREE_VTERM            0x158
 219#define H_RESET_EVENTS          0x15C
 220#define H_ALLOC_RESOURCE        0x160
 221#define H_FREE_RESOURCE         0x164
 222#define H_MODIFY_QP             0x168
 223#define H_QUERY_QP              0x16C
 224#define H_REREGISTER_PMR        0x170
 225#define H_REGISTER_SMR          0x174
 226#define H_QUERY_MR              0x178
 227#define H_QUERY_MW              0x17C
 228#define H_QUERY_HCA             0x180
 229#define H_QUERY_PORT            0x184
 230#define H_MODIFY_PORT           0x188
 231#define H_DEFINE_AQP1           0x18C
 232#define H_GET_TRACE_BUFFER      0x190
 233#define H_DEFINE_AQP0           0x194
 234#define H_RESIZE_MR             0x198
 235#define H_ATTACH_MCQP           0x19C
 236#define H_DETACH_MCQP           0x1A0
 237#define H_CREATE_RPT            0x1A4
 238#define H_REMOVE_RPT            0x1A8
 239#define H_REGISTER_RPAGES       0x1AC
 240#define H_DISABLE_AND_GETC      0x1B0
 241#define H_ERROR_DATA            0x1B4
 242#define H_GET_HCA_INFO          0x1B8
 243#define H_GET_PERF_COUNT        0x1BC
 244#define H_MANAGE_TRACE          0x1C0
 245#define H_GET_CPU_CHARACTERISTICS 0x1C8
 246#define H_FREE_LOGICAL_LAN_BUFFER 0x1D4
 247#define H_QUERY_INT_STATE       0x1E4
 248#define H_POLL_PENDING          0x1D8
 249#define H_ILLAN_ATTRIBUTES      0x244
 250#define H_MODIFY_HEA_QP         0x250
 251#define H_QUERY_HEA_QP          0x254
 252#define H_QUERY_HEA             0x258
 253#define H_QUERY_HEA_PORT        0x25C
 254#define H_MODIFY_HEA_PORT       0x260
 255#define H_REG_BCMC              0x264
 256#define H_DEREG_BCMC            0x268
 257#define H_REGISTER_HEA_RPAGES   0x26C
 258#define H_DISABLE_AND_GET_HEA   0x270
 259#define H_GET_HEA_INFO          0x274
 260#define H_ALLOC_HEA_RESOURCE    0x278
 261#define H_ADD_CONN              0x284
 262#define H_DEL_CONN              0x288
 263#define H_JOIN                  0x298
 264#define H_VASI_STATE            0x2A4
 265#define H_VIOCTL                0x2A8
 266#define H_ENABLE_CRQ            0x2B0
 267#define H_GET_EM_PARMS          0x2B8
 268#define H_SET_MPP               0x2D0
 269#define H_GET_MPP               0x2D4
 270#define H_REG_SUB_CRQ           0x2DC
 271#define H_HOME_NODE_ASSOCIATIVITY 0x2EC
 272#define H_FREE_SUB_CRQ          0x2E0
 273#define H_SEND_SUB_CRQ          0x2E4
 274#define H_SEND_SUB_CRQ_INDIRECT 0x2E8
 275#define H_BEST_ENERGY           0x2F4
 276#define H_XIRR_X                0x2FC
 277#define H_RANDOM                0x300
 278#define H_COP                   0x304
 279#define H_GET_MPP_X             0x314
 280#define H_SET_MODE              0x31C
 281#define H_BLOCK_REMOVE          0x328
 282#define H_CLEAR_HPT             0x358
 283#define H_REQUEST_VMC           0x360
 284#define H_RESIZE_HPT_PREPARE    0x36C
 285#define H_RESIZE_HPT_COMMIT     0x370
 286#define H_REGISTER_PROC_TBL     0x37C
 287#define H_SIGNAL_SYS_RESET      0x380
 288#define H_INT_GET_SOURCE_INFO   0x3A8
 289#define H_INT_SET_SOURCE_CONFIG 0x3AC
 290#define H_INT_GET_SOURCE_CONFIG 0x3B0
 291#define H_INT_GET_QUEUE_INFO    0x3B4
 292#define H_INT_SET_QUEUE_CONFIG  0x3B8
 293#define H_INT_GET_QUEUE_CONFIG  0x3BC
 294#define H_INT_SET_OS_REPORTING_LINE 0x3C0
 295#define H_INT_GET_OS_REPORTING_LINE 0x3C4
 296#define H_INT_ESB               0x3C8
 297#define H_INT_SYNC              0x3CC
 298#define H_INT_RESET             0x3D0
 299#define H_SCM_READ_METADATA     0x3E4
 300#define H_SCM_WRITE_METADATA    0x3E8
 301#define H_SCM_BIND_MEM          0x3EC
 302#define H_SCM_UNBIND_MEM        0x3F0
 303#define H_SCM_QUERY_BLOCK_MEM_BINDING 0x3F4
 304#define H_SCM_QUERY_LOGICAL_MEM_BINDING 0x3F8
 305#define H_SCM_UNBIND_ALL        0x3FC
 306#define H_SCM_HEALTH            0x400
 307#define H_SCM_PERFORMANCE_STATS 0x418
 308#define MAX_HCALL_OPCODE        H_SCM_PERFORMANCE_STATS
 309
 310/* Scope args for H_SCM_UNBIND_ALL */
 311#define H_UNBIND_SCOPE_ALL (0x1)
 312#define H_UNBIND_SCOPE_DRC (0x2)
 313
 314/* H_VIOCTL functions */
 315#define H_GET_VIOA_DUMP_SIZE    0x01
 316#define H_GET_VIOA_DUMP         0x02
 317#define H_GET_ILLAN_NUM_VLAN_IDS 0x03
 318#define H_GET_ILLAN_VLAN_ID_LIST 0x04
 319#define H_GET_ILLAN_SWITCH_ID   0x05
 320#define H_DISABLE_MIGRATION     0x06
 321#define H_ENABLE_MIGRATION      0x07
 322#define H_GET_PARTNER_INFO      0x08
 323#define H_GET_PARTNER_WWPN_LIST 0x09
 324#define H_DISABLE_ALL_VIO_INTS  0x0A
 325#define H_DISABLE_VIO_INTERRUPT 0x0B
 326#define H_ENABLE_VIO_INTERRUPT  0x0C
 327#define H_GET_SESSION_TOKEN     0x19
 328#define H_SESSION_ERR_DETECTED  0x1A
 329
 330
 331/* Platform specific hcalls, used by KVM */
 332#define H_RTAS                  0xf000
 333
 334/* "Platform specific hcalls", provided by PHYP */
 335#define H_GET_24X7_CATALOG_PAGE 0xF078
 336#define H_GET_24X7_DATA         0xF07C
 337#define H_GET_PERF_COUNTER_INFO 0xF080
 338
 339/* Platform-specific hcalls used for nested HV KVM */
 340#define H_SET_PARTITION_TABLE   0xF800
 341#define H_ENTER_NESTED          0xF804
 342#define H_TLB_INVALIDATE        0xF808
 343#define H_COPY_TOFROM_GUEST     0xF80C
 344
 345/* Flags for H_SVM_PAGE_IN */
 346#define H_PAGE_IN_SHARED        0x1
 347
 348/* Platform-specific hcalls used by the Ultravisor */
 349#define H_SVM_PAGE_IN           0xEF00
 350#define H_SVM_PAGE_OUT          0xEF04
 351#define H_SVM_INIT_START        0xEF08
 352#define H_SVM_INIT_DONE         0xEF0C
 353#define H_SVM_INIT_ABORT        0xEF14
 354
 355/* Values for 2nd argument to H_SET_MODE */
 356#define H_SET_MODE_RESOURCE_SET_CIABR           1
 357#define H_SET_MODE_RESOURCE_SET_DAWR            2
 358#define H_SET_MODE_RESOURCE_ADDR_TRANS_MODE     3
 359#define H_SET_MODE_RESOURCE_LE                  4
 360
 361/* Values for argument to H_SIGNAL_SYS_RESET */
 362#define H_SIGNAL_SYS_RESET_ALL                  -1
 363#define H_SIGNAL_SYS_RESET_ALL_OTHERS           -2
 364/* >= 0 values are CPU number */
 365
 366/* H_GET_CPU_CHARACTERISTICS return values */
 367#define H_CPU_CHAR_SPEC_BAR_ORI31       (1ull << 63) // IBM bit 0
 368#define H_CPU_CHAR_BCCTRL_SERIALISED    (1ull << 62) // IBM bit 1
 369#define H_CPU_CHAR_L1D_FLUSH_ORI30      (1ull << 61) // IBM bit 2
 370#define H_CPU_CHAR_L1D_FLUSH_TRIG2      (1ull << 60) // IBM bit 3
 371#define H_CPU_CHAR_L1D_THREAD_PRIV      (1ull << 59) // IBM bit 4
 372#define H_CPU_CHAR_BRANCH_HINTS_HONORED (1ull << 58) // IBM bit 5
 373#define H_CPU_CHAR_THREAD_RECONFIG_CTRL (1ull << 57) // IBM bit 6
 374#define H_CPU_CHAR_COUNT_CACHE_DISABLED (1ull << 56) // IBM bit 7
 375#define H_CPU_CHAR_BCCTR_FLUSH_ASSIST   (1ull << 54) // IBM bit 9
 376
 377#define H_CPU_BEHAV_FAVOUR_SECURITY     (1ull << 63) // IBM bit 0
 378#define H_CPU_BEHAV_L1D_FLUSH_PR        (1ull << 62) // IBM bit 1
 379#define H_CPU_BEHAV_BNDS_CHK_SPEC_BAR   (1ull << 61) // IBM bit 2
 380#define H_CPU_BEHAV_FLUSH_COUNT_CACHE   (1ull << 58) // IBM bit 5
 381
 382/* Flag values used in H_REGISTER_PROC_TBL hcall */
 383#define PROC_TABLE_OP_MASK      0x18
 384#define PROC_TABLE_DEREG        0x10
 385#define PROC_TABLE_NEW          0x18
 386#define PROC_TABLE_TYPE_MASK    0x06
 387#define PROC_TABLE_HPT_SLB      0x00
 388#define PROC_TABLE_HPT_PT       0x02
 389#define PROC_TABLE_RADIX        0x04
 390#define PROC_TABLE_GTSE         0x01
 391
 392#ifndef __ASSEMBLY__
 393#include <linux/types.h>
 394
 395/**
 396 * plpar_hcall_norets: - Make a pseries hypervisor call with no return arguments
 397 * @opcode: The hypervisor call to make.
 398 *
 399 * This call supports up to 7 arguments and only returns the status of
 400 * the hcall. Use this version where possible, its slightly faster than
 401 * the other plpar_hcalls.
 402 */
 403long plpar_hcall_norets(unsigned long opcode, ...);
 404
 405/**
 406 * plpar_hcall: - Make a pseries hypervisor call
 407 * @opcode: The hypervisor call to make.
 408 * @retbuf: Buffer to store up to 4 return arguments in.
 409 *
 410 * This call supports up to 6 arguments and 4 return arguments. Use
 411 * PLPAR_HCALL_BUFSIZE to size the return argument buffer.
 412 *
 413 * Used for all but the craziest of phyp interfaces (see plpar_hcall9)
 414 */
 415#define PLPAR_HCALL_BUFSIZE 4
 416long plpar_hcall(unsigned long opcode, unsigned long *retbuf, ...);
 417
 418/**
 419 * plpar_hcall_raw: - Make a hypervisor call without calculating hcall stats
 420 * @opcode: The hypervisor call to make.
 421 * @retbuf: Buffer to store up to 4 return arguments in.
 422 *
 423 * This call supports up to 6 arguments and 4 return arguments. Use
 424 * PLPAR_HCALL_BUFSIZE to size the return argument buffer.
 425 *
 426 * Used when phyp interface needs to be called in real mode. Similar to
 427 * plpar_hcall, but plpar_hcall_raw works in real mode and does not
 428 * calculate hypervisor call statistics.
 429 */
 430long plpar_hcall_raw(unsigned long opcode, unsigned long *retbuf, ...);
 431
 432/**
 433 * plpar_hcall9: - Make a pseries hypervisor call with up to 9 return arguments
 434 * @opcode: The hypervisor call to make.
 435 * @retbuf: Buffer to store up to 9 return arguments in.
 436 *
 437 * This call supports up to 9 arguments and 9 return arguments. Use
 438 * PLPAR_HCALL9_BUFSIZE to size the return argument buffer.
 439 */
 440#define PLPAR_HCALL9_BUFSIZE 9
 441long plpar_hcall9(unsigned long opcode, unsigned long *retbuf, ...);
 442long plpar_hcall9_raw(unsigned long opcode, unsigned long *retbuf, ...);
 443
 444struct hvcall_mpp_data {
 445        unsigned long entitled_mem;
 446        unsigned long mapped_mem;
 447        unsigned short group_num;
 448        unsigned short pool_num;
 449        unsigned char mem_weight;
 450        unsigned char unallocated_mem_weight;
 451        unsigned long unallocated_entitlement;  /* value in bytes */
 452        unsigned long pool_size;
 453        signed long loan_request;
 454        unsigned long backing_mem;
 455};
 456
 457int h_get_mpp(struct hvcall_mpp_data *);
 458
 459struct hvcall_mpp_x_data {
 460        unsigned long coalesced_bytes;
 461        unsigned long pool_coalesced_bytes;
 462        unsigned long pool_purr_cycles;
 463        unsigned long pool_spurr_cycles;
 464        unsigned long reserved[3];
 465};
 466
 467int h_get_mpp_x(struct hvcall_mpp_x_data *mpp_x_data);
 468
 469static inline unsigned int get_longbusy_msecs(int longbusy_rc)
 470{
 471        switch (longbusy_rc) {
 472        case H_LONG_BUSY_ORDER_1_MSEC:
 473                return 1;
 474        case H_LONG_BUSY_ORDER_10_MSEC:
 475                return 10;
 476        case H_LONG_BUSY_ORDER_100_MSEC:
 477                return 100;
 478        case H_LONG_BUSY_ORDER_1_SEC:
 479                return 1000;
 480        case H_LONG_BUSY_ORDER_10_SEC:
 481                return 10000;
 482        case H_LONG_BUSY_ORDER_100_SEC:
 483                return 100000;
 484        default:
 485                return 1;
 486        }
 487}
 488
 489struct h_cpu_char_result {
 490        u64 character;
 491        u64 behaviour;
 492};
 493
 494/* Register state for entering a nested guest with H_ENTER_NESTED */
 495struct hv_guest_state {
 496        u64 version;            /* version of this structure layout */
 497        u32 lpid;
 498        u32 vcpu_token;
 499        /* These registers are hypervisor privileged (at least for writing) */
 500        u64 lpcr;
 501        u64 pcr;
 502        u64 amor;
 503        u64 dpdes;
 504        u64 hfscr;
 505        s64 tb_offset;
 506        u64 dawr0;
 507        u64 dawrx0;
 508        u64 ciabr;
 509        u64 hdec_expiry;
 510        u64 purr;
 511        u64 spurr;
 512        u64 ic;
 513        u64 vtb;
 514        u64 hdar;
 515        u64 hdsisr;
 516        u64 heir;
 517        u64 asdr;
 518        /* These are OS privileged but need to be set late in guest entry */
 519        u64 srr0;
 520        u64 srr1;
 521        u64 sprg[4];
 522        u64 pidr;
 523        u64 cfar;
 524        u64 ppr;
 525};
 526
 527/* Latest version of hv_guest_state structure */
 528#define HV_GUEST_STATE_VERSION  1
 529
 530#endif /* __ASSEMBLY__ */
 531#endif /* __KERNEL__ */
 532#endif /* _ASM_POWERPC_HVCALL_H */
 533