arch/powerpc/include/asm/hvcall.h

   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 #ifndef __ASSEMBLY__
 278
 279 /**
 280  * plpar_hcall_norets: - Make a pseries hypervisor call with no return arguments
 281  * @opcode: The hypervisor call to make.
 282  *
 283  * This call supports up to 7 arguments and only returns the status of
 284  * the hcall. Use this version where possible, its slightly faster than
 285  * the other plpar_hcalls.
 286  */
 287 long plpar_hcall_norets(unsigned long opcode, ...);
 288
 289 /**
 290  * plpar_hcall: - Make a pseries hypervisor call
 291  * @opcode: The hypervisor call to make.
 292  * @retbuf: Buffer to store up to 4 return arguments in.
 293  *
 294  * This call supports up to 6 arguments and 4 return arguments. Use
 295  * PLPAR_HCALL_BUFSIZE to size the return argument buffer.
 296  *
 297  * Used for all but the craziest of phyp interfaces (see plpar_hcall9)
 298  */
 299 #define PLPAR_HCALL_BUFSIZE 4
 300 long plpar_hcall(unsigned long opcode, unsigned long *retbuf, ...);
 301
 302 /**
 303  * plpar_hcall_raw: - Make a hypervisor call without calculating hcall stats
 304  * @opcode: The hypervisor call to make.
 305  * @retbuf: Buffer to store up to 4 return arguments in.
 306  *
 307  * This call supports up to 6 arguments and 4 return arguments. Use
 308  * PLPAR_HCALL_BUFSIZE to size the return argument buffer.
 309  *
 310  * Used when phyp interface needs to be called in real mode. Similar to
 311  * plpar_hcall, but plpar_hcall_raw works in real mode and does not
 312  * calculate hypervisor call statistics.
 313  */
 314 long plpar_hcall_raw(unsigned long opcode, unsigned long *retbuf, ...);
 315
 316 /**
 317  * plpar_hcall9: - Make a pseries hypervisor call with up to 9 return arguments
 318  * @opcode: The hypervisor call to make.
 319  * @retbuf: Buffer to store up to 9 return arguments in.
 320  *
 321  * This call supports up to 9 arguments and 9 return arguments. Use
 322  * PLPAR_HCALL9_BUFSIZE to size the return argument buffer.
 323  */
 324 #define PLPAR_HCALL9_BUFSIZE 9
 325 long plpar_hcall9(unsigned long opcode, unsigned long *retbuf, ...);
 326 long plpar_hcall9_raw(unsigned long opcode, unsigned long *retbuf, ...);
 327
 328 /* For hcall instrumentation.  One structure per-hcall, per-CPU */
 329 struct hcall_stats {
 330         unsigned long   num_calls;      /* number of calls (on this CPU) */
 331         unsigned long   tb_total;       /* total wall time (mftb) of calls. */
 332         unsigned long   purr_total;     /* total cpu time (PURR) of calls. */
 333         unsigned long   tb_start;
 334         unsigned long   purr_start;
 335 };
 336 #define HCALL_STAT_ARRAY_SIZE   ((MAX_HCALL_OPCODE >> 2) + 1)
 337
 338 struct hvcall_mpp_data {
 339         unsigned long entitled_mem;
 340         unsigned long mapped_mem;
 341         unsigned short group_num;
 342         unsigned short pool_num;
 343         unsigned char mem_weight;
 344         unsigned char unallocated_mem_weight;
 345         unsigned long unallocated_entitlement;  /* value in bytes */
 346         unsigned long pool_size;
 347         signed long loan_request;
 348         unsigned long backing_mem;
 349 };
 350
 351 int h_get_mpp(struct hvcall_mpp_data *);
 352
 353 struct hvcall_mpp_x_data {
 354         unsigned long coalesced_bytes;
 355         unsigned long pool_coalesced_bytes;
 356         unsigned long pool_purr_cycles;
 357         unsigned long pool_spurr_cycles;
 358         unsigned long reserved[3];
 359 };
 360
 361 int h_get_mpp_x(struct hvcall_mpp_x_data *mpp_x_data);
 362
 363 static inline unsigned int get_longbusy_msecs(int longbusy_rc)
 364 {
 365         switch (longbusy_rc) {
 366         case H_LONG_BUSY_ORDER_1_MSEC:
 367                 return 1;
 368         case H_LONG_BUSY_ORDER_10_MSEC:
 369                 return 10;
 370         case H_LONG_BUSY_ORDER_100_MSEC:
 371                 return 100;
 372         case H_LONG_BUSY_ORDER_1_SEC:
 373                 return 1000;
 374         case H_LONG_BUSY_ORDER_10_SEC:
 375                 return 10000;
 376         case H_LONG_BUSY_ORDER_100_SEC:
 377                 return 100000;
 378         default:
 379                 return 1;
 380         }
 381 }
 382
 383 #ifdef CONFIG_PPC_PSERIES
 384 extern int CMO_PrPSP;
 385 extern int CMO_SecPSP;
 386 extern unsigned long CMO_PageSize;
 387
 388 static inline int cmo_get_primary_psp(void)
 389 {
 390         return CMO_PrPSP;
 391 }
 392
 393 static inline int cmo_get_secondary_psp(void)
 394 {
 395         return CMO_SecPSP;
 396 }
 397
 398 static inline unsigned long cmo_get_page_size(void)
 399 {
 400         return CMO_PageSize;
 401 }
 402
 403 extern long pSeries_enable_reloc_on_exc(void);
 404 extern long pSeries_disable_reloc_on_exc(void);
 405
 406 extern long pseries_big_endian_exceptions(void);
 407
 408 #else
 409
 410 #define pSeries_enable_reloc_on_exc()  do {} while (0)
 411 #define pSeries_disable_reloc_on_exc() do {} while (0)
 412
 413 #endif /* CONFIG_PPC_PSERIES */
 414
 415 #endif /* __ASSEMBLY__ */
 416 #endif /* __KERNEL__ */
 417 #endif /* _ASM_POWERPC_HVCALL_H */