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_UNSUPPORTED_FLAG_START        -256
  98#define H_UNSUPPORTED_FLAG_END          -511
  99#define H_MULTI_THREADS_ACTIVE  -9005
 100#define H_OUTSTANDING_COP_OPS   -9006
 101
 102
 103/* Long Busy is a condition that can be returned by the firmware
 104 * when a call cannot be completed now, but the identical call
 105 * should be retried later.  This prevents calls blocking in the
 106 * firmware for long periods of time.  Annoyingly the firmware can return
 107 * a range of return codes, hinting at how long we should wait before
 108 * retrying.  If you don't care for the hint, the macro below is a good
 109 * way to check for the long_busy return codes
 110 */
 111#define H_IS_LONG_BUSY(x)  ((x >= H_LONG_BUSY_START_RANGE) \
 112                             && (x <= H_LONG_BUSY_END_RANGE))
 113
 114/* Flags */
 115#define H_LARGE_PAGE            (1UL<<(63-16))
 116#define H_EXACT                 (1UL<<(63-24))  /* Use exact PTE or return H_PTEG_FULL */
 117#define H_R_XLATE               (1UL<<(63-25))  /* include a valid logical page num in the pte if the valid bit is set */
 118#define H_READ_4                (1UL<<(63-26))  /* Return 4 PTEs */
 119#define H_PAGE_STATE_CHANGE     (1UL<<(63-28))
 120#define H_PAGE_UNUSED           ((1UL<<(63-29)) | (1UL<<(63-30)))
 121#define H_PAGE_SET_UNUSED       (H_PAGE_STATE_CHANGE | H_PAGE_UNUSED)
 122#define H_PAGE_SET_LOANED       (H_PAGE_SET_UNUSED | (1UL<<(63-31)))
 123#define H_PAGE_SET_ACTIVE       H_PAGE_STATE_CHANGE
 124#define H_AVPN                  (1UL<<(63-32))  /* An avpn is provided as a sanity test */
 125#define H_ANDCOND               (1UL<<(63-33))
 126#define H_LOCAL                 (1UL<<(63-35))
 127#define H_ICACHE_INVALIDATE     (1UL<<(63-40))  /* icbi, etc.  (ignored for IO pages) */
 128#define H_ICACHE_SYNCHRONIZE    (1UL<<(63-41))  /* dcbst, icbi, etc (ignored for IO pages */
 129#define H_COALESCE_CAND (1UL<<(63-42))  /* page is a good candidate for coalescing */
 130#define H_ZERO_PAGE             (1UL<<(63-48))  /* zero the page before mapping (ignored for IO pages) */
 131#define H_COPY_PAGE             (1UL<<(63-49))
 132#define H_N                     (1UL<<(63-61))
 133#define H_PP1                   (1UL<<(63-62))
 134#define H_PP2                   (1UL<<(63-63))
 135
 136/* Flags for H_REGISTER_VPA subfunction field */
 137#define H_VPA_FUNC_SHIFT        (63-18) /* Bit posn of subfunction code */
 138#define H_VPA_FUNC_MASK         7UL
 139#define H_VPA_REG_VPA           1UL     /* Register Virtual Processor Area */
 140#define H_VPA_REG_DTL           2UL     /* Register Dispatch Trace Log */
 141#define H_VPA_REG_SLB           3UL     /* Register SLB shadow buffer */
 142#define H_VPA_DEREG_VPA         5UL     /* Deregister Virtual Processor Area */
 143#define H_VPA_DEREG_DTL         6UL     /* Deregister Dispatch Trace Log */
 144#define H_VPA_DEREG_SLB         7UL     /* Deregister SLB shadow buffer */
 145
 146/* VASI States */
 147#define H_VASI_INVALID          0
 148#define H_VASI_ENABLED          1
 149#define H_VASI_ABORTED          2
 150#define H_VASI_SUSPENDING       3
 151#define H_VASI_SUSPENDED        4
 152#define H_VASI_RESUMED          5
 153#define H_VASI_COMPLETED        6
 154
 155/* Each control block has to be on a 4K boundary */
 156#define H_CB_ALIGNMENT          4096
 157
 158/* pSeries hypervisor opcodes */
 159#define H_REMOVE                0x04
 160#define H_ENTER                 0x08
 161#define H_READ                  0x0c
 162#define H_CLEAR_MOD             0x10
 163#define H_CLEAR_REF             0x14
 164#define H_PROTECT               0x18
 165#define H_GET_TCE               0x1c
 166#define H_PUT_TCE               0x20
 167#define H_SET_SPRG0             0x24
 168#define H_SET_DABR              0x28
 169#define H_PAGE_INIT             0x2c
 170#define H_SET_ASR               0x30
 171#define H_ASR_ON                0x34
 172#define H_ASR_OFF               0x38
 173#define H_LOGICAL_CI_LOAD       0x3c
 174#define H_LOGICAL_CI_STORE      0x40
 175#define H_LOGICAL_CACHE_LOAD    0x44
 176#define H_LOGICAL_CACHE_STORE   0x48
 177#define H_LOGICAL_ICBI          0x4c
 178#define H_LOGICAL_DCBF          0x50
 179#define H_GET_TERM_CHAR         0x54
 180#define H_PUT_TERM_CHAR         0x58
 181#define H_REAL_TO_LOGICAL       0x5c
 182#define H_HYPERVISOR_DATA       0x60
 183#define H_EOI                   0x64
 184#define H_CPPR                  0x68
 185#define H_IPI                   0x6c
 186#define H_IPOLL                 0x70
 187#define H_XIRR                  0x74
 188#define H_PERFMON               0x7c
 189#define H_MIGRATE_DMA           0x78
 190#define H_REGISTER_VPA          0xDC
 191#define H_CEDE                  0xE0
 192#define H_CONFER                0xE4
 193#define H_PROD                  0xE8
 194#define H_GET_PPP               0xEC
 195#define H_SET_PPP               0xF0
 196#define H_PURR                  0xF4
 197#define H_PIC                   0xF8
 198#define H_REG_CRQ               0xFC
 199#define H_FREE_CRQ              0x100
 200#define H_VIO_SIGNAL            0x104
 201#define H_SEND_CRQ              0x108
 202#define H_COPY_RDMA             0x110
 203#define H_REGISTER_LOGICAL_LAN  0x114
 204#define H_FREE_LOGICAL_LAN      0x118
 205#define H_ADD_LOGICAL_LAN_BUFFER 0x11C
 206#define H_SEND_LOGICAL_LAN      0x120
 207#define H_BULK_REMOVE           0x124
 208#define H_MULTICAST_CTRL        0x130
 209#define H_SET_XDABR             0x134
 210#define H_STUFF_TCE             0x138
 211#define H_PUT_TCE_INDIRECT      0x13C
 212#define H_CHANGE_LOGICAL_LAN_MAC 0x14C
 213#define H_VTERM_PARTNER_INFO    0x150
 214#define H_REGISTER_VTERM        0x154
 215#define H_FREE_VTERM            0x158
 216#define H_RESET_EVENTS          0x15C
 217#define H_ALLOC_RESOURCE        0x160
 218#define H_FREE_RESOURCE         0x164
 219#define H_MODIFY_QP             0x168
 220#define H_QUERY_QP              0x16C
 221#define H_REREGISTER_PMR        0x170
 222#define H_REGISTER_SMR          0x174
 223#define H_QUERY_MR              0x178
 224#define H_QUERY_MW              0x17C
 225#define H_QUERY_HCA             0x180
 226#define H_QUERY_PORT            0x184
 227#define H_MODIFY_PORT           0x188
 228#define H_DEFINE_AQP1           0x18C
 229#define H_GET_TRACE_BUFFER      0x190
 230#define H_DEFINE_AQP0           0x194
 231#define H_RESIZE_MR             0x198
 232#define H_ATTACH_MCQP           0x19C
 233#define H_DETACH_MCQP           0x1A0
 234#define H_CREATE_RPT            0x1A4
 235#define H_REMOVE_RPT            0x1A8
 236#define H_REGISTER_RPAGES       0x1AC
 237#define H_DISABLE_AND_GETC      0x1B0
 238#define H_ERROR_DATA            0x1B4
 239#define H_GET_HCA_INFO          0x1B8
 240#define H_GET_PERF_COUNT        0x1BC
 241#define H_MANAGE_TRACE          0x1C0
 242#define H_FREE_LOGICAL_LAN_BUFFER 0x1D4
 243#define H_QUERY_INT_STATE       0x1E4
 244#define H_POLL_PENDING          0x1D8
 245#define H_ILLAN_ATTRIBUTES      0x244
 246#define H_MODIFY_HEA_QP         0x250
 247#define H_QUERY_HEA_QP          0x254
 248#define H_QUERY_HEA             0x258
 249#define H_QUERY_HEA_PORT        0x25C
 250#define H_MODIFY_HEA_PORT       0x260
 251#define H_REG_BCMC              0x264
 252#define H_DEREG_BCMC            0x268
 253#define H_REGISTER_HEA_RPAGES   0x26C
 254#define H_DISABLE_AND_GET_HEA   0x270
 255#define H_GET_HEA_INFO          0x274
 256#define H_ALLOC_HEA_RESOURCE    0x278
 257#define H_ADD_CONN              0x284
 258#define H_DEL_CONN              0x288
 259#define H_JOIN                  0x298
 260#define H_VASI_STATE            0x2A4
 261#define H_ENABLE_CRQ            0x2B0
 262#define H_GET_EM_PARMS          0x2B8
 263#define H_SET_MPP               0x2D0
 264#define H_GET_MPP               0x2D4
 265#define H_HOME_NODE_ASSOCIATIVITY 0x2EC
 266#define H_BEST_ENERGY           0x2F4
 267#define H_XIRR_X                0x2FC
 268#define H_RANDOM                0x300
 269#define H_COP                   0x304
 270#define H_GET_MPP_X             0x314
 271#define H_SET_MODE              0x31C
 272#define MAX_HCALL_OPCODE        H_SET_MODE
 273
 274/* Platform specific hcalls, used by KVM */
 275#define H_RTAS                  0xf000
 276
 277/* "Platform specific hcalls", provided by PHYP */
 278#define H_GET_24X7_CATALOG_PAGE 0xF078
 279#define H_GET_24X7_DATA         0xF07C
 280#define H_GET_PERF_COUNTER_INFO 0xF080
 281
 282/* Values for 2nd argument to H_SET_MODE */
 283#define H_SET_MODE_RESOURCE_SET_CIABR           1
 284#define H_SET_MODE_RESOURCE_SET_DAWR            2
 285#define H_SET_MODE_RESOURCE_ADDR_TRANS_MODE     3
 286#define H_SET_MODE_RESOURCE_LE                  4
 287
 288#ifndef __ASSEMBLY__
 289
 290/**
 291 * plpar_hcall_norets: - Make a pseries hypervisor call with no return arguments
 292 * @opcode: The hypervisor call to make.
 293 *
 294 * This call supports up to 7 arguments and only returns the status of
 295 * the hcall. Use this version where possible, its slightly faster than
 296 * the other plpar_hcalls.
 297 */
 298long plpar_hcall_norets(unsigned long opcode, ...);
 299
 300/**
 301 * plpar_hcall: - Make a pseries hypervisor call
 302 * @opcode: The hypervisor call to make.
 303 * @retbuf: Buffer to store up to 4 return arguments in.
 304 *
 305 * This call supports up to 6 arguments and 4 return arguments. Use
 306 * PLPAR_HCALL_BUFSIZE to size the return argument buffer.
 307 *
 308 * Used for all but the craziest of phyp interfaces (see plpar_hcall9)
 309 */
 310#define PLPAR_HCALL_BUFSIZE 4
 311long plpar_hcall(unsigned long opcode, unsigned long *retbuf, ...);
 312
 313/**
 314 * plpar_hcall_raw: - Make a hypervisor call without calculating hcall stats
 315 * @opcode: The hypervisor call to make.
 316 * @retbuf: Buffer to store up to 4 return arguments in.
 317 *
 318 * This call supports up to 6 arguments and 4 return arguments. Use
 319 * PLPAR_HCALL_BUFSIZE to size the return argument buffer.
 320 *
 321 * Used when phyp interface needs to be called in real mode. Similar to
 322 * plpar_hcall, but plpar_hcall_raw works in real mode and does not
 323 * calculate hypervisor call statistics.
 324 */
 325long plpar_hcall_raw(unsigned long opcode, unsigned long *retbuf, ...);
 326
 327/**
 328 * plpar_hcall9: - Make a pseries hypervisor call with up to 9 return arguments
 329 * @opcode: The hypervisor call to make.
 330 * @retbuf: Buffer to store up to 9 return arguments in.
 331 *
 332 * This call supports up to 9 arguments and 9 return arguments. Use
 333 * PLPAR_HCALL9_BUFSIZE to size the return argument buffer.
 334 */
 335#define PLPAR_HCALL9_BUFSIZE 9
 336long plpar_hcall9(unsigned long opcode, unsigned long *retbuf, ...);
 337long plpar_hcall9_raw(unsigned long opcode, unsigned long *retbuf, ...);
 338
 339/* For hcall instrumentation.  One structure per-hcall, per-CPU */
 340struct hcall_stats {
 341        unsigned long   num_calls;      /* number of calls (on this CPU) */
 342        unsigned long   tb_total;       /* total wall time (mftb) of calls. */
 343        unsigned long   purr_total;     /* total cpu time (PURR) of calls. */
 344        unsigned long   tb_start;
 345        unsigned long   purr_start;
 346};
 347#define HCALL_STAT_ARRAY_SIZE   ((MAX_HCALL_OPCODE >> 2) + 1)
 348
 349struct hvcall_mpp_data {
 350        unsigned long entitled_mem;
 351        unsigned long mapped_mem;
 352        unsigned short group_num;
 353        unsigned short pool_num;
 354        unsigned char mem_weight;
 355        unsigned char unallocated_mem_weight;
 356        unsigned long unallocated_entitlement;  /* value in bytes */
 357        unsigned long pool_size;
 358        signed long loan_request;
 359        unsigned long backing_mem;
 360};
 361
 362int h_get_mpp(struct hvcall_mpp_data *);
 363
 364struct hvcall_mpp_x_data {
 365        unsigned long coalesced_bytes;
 366        unsigned long pool_coalesced_bytes;
 367        unsigned long pool_purr_cycles;
 368        unsigned long pool_spurr_cycles;
 369        unsigned long reserved[3];
 370};
 371
 372int h_get_mpp_x(struct hvcall_mpp_x_data *mpp_x_data);
 373
 374static inline unsigned int get_longbusy_msecs(int longbusy_rc)
 375{
 376        switch (longbusy_rc) {
 377        case H_LONG_BUSY_ORDER_1_MSEC:
 378                return 1;
 379        case H_LONG_BUSY_ORDER_10_MSEC:
 380                return 10;
 381        case H_LONG_BUSY_ORDER_100_MSEC:
 382                return 100;
 383        case H_LONG_BUSY_ORDER_1_SEC:
 384                return 1000;
 385        case H_LONG_BUSY_ORDER_10_SEC:
 386                return 10000;
 387        case H_LONG_BUSY_ORDER_100_SEC:
 388                return 100000;
 389        default:
 390                return 1;
 391        }
 392}
 393
 394#ifdef CONFIG_PPC_PSERIES
 395extern int CMO_PrPSP;
 396extern int CMO_SecPSP;
 397extern unsigned long CMO_PageSize;
 398
 399static inline int cmo_get_primary_psp(void)
 400{
 401        return CMO_PrPSP;
 402}
 403
 404static inline int cmo_get_secondary_psp(void)
 405{
 406        return CMO_SecPSP;
 407}
 408
 409static inline unsigned long cmo_get_page_size(void)
 410{
 411        return CMO_PageSize;
 412}
 413
 414extern long pSeries_enable_reloc_on_exc(void);
 415extern long pSeries_disable_reloc_on_exc(void);
 416
 417extern long pseries_big_endian_exceptions(void);
 418
 419#else
 420
 421#define pSeries_enable_reloc_on_exc()  do {} while (0)
 422#define pSeries_disable_reloc_on_exc() do {} while (0)
 423
 424#endif /* CONFIG_PPC_PSERIES */
 425
 426#endif /* __ASSEMBLY__ */
 427#endif /* __KERNEL__ */
 428#endif /* _ASM_POWERPC_HVCALL_H */
 429