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