arch/powerpc/include/asm/hvcall.h

   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_OVERLAP       -68
  92 #define H_INTERRUPT     -69
  93 #define H_BAD_DATA      -70
  94 #define H_NOT_ACTIVE    -71
  95 #define H_SG_LIST       -72
  96 #define H_OP_MODE       -73
  97 #define H_COP_HW        -74
  98 #define H_STATE         -75
  99 #define H_UNSUPPORTED_FLAG_START        -256
 100 #define H_UNSUPPORTED_FLAG_END          -511
 101 #define H_MULTI_THREADS_ACTIVE  -9005
 102 #define H_OUTSTANDING_COP_OPS   -9006
 103
 104
 105 /* Long Busy is a condition that can be returned by the firmware
 106  * when a call cannot be completed now, but the identical call
 107  * should be retried later.  This prevents calls blocking in the
 108  * firmware for long periods of time.  Annoyingly the firmware can return
 109  * a range of return codes, hinting at how long we should wait before
 110  * retrying.  If you don't care for the hint, the macro below is a good
 111  * way to check for the long_busy return codes
 112  */
 113 #define H_IS_LONG_BUSY(x)  ((x >= H_LONG_BUSY_START_RANGE) \
 114                              && (x <= H_LONG_BUSY_END_RANGE))
 115
 116 /* Flags */
 117 #define H_LARGE_PAGE            (1UL<<(63-16))
 118 #define H_EXACT                 (1UL<<(63-24))  /* Use exact PTE or return H_PTEG_FULL */
 119 #define H_R_XLATE               (1UL<<(63-25))  /* include a valid logical page num in the pte if the valid bit is set */
 120 #define H_READ_4                (1UL<<(63-26))  /* Return 4 PTEs */
 121 #define H_PAGE_STATE_CHANGE     (1UL<<(63-28))
 122 #define H_PAGE_UNUSED           ((1UL<<(63-29)) | (1UL<<(63-30)))
 123 #define H_PAGE_SET_UNUSED       (H_PAGE_STATE_CHANGE | H_PAGE_UNUSED)
 124 #define H_PAGE_SET_LOANED       (H_PAGE_SET_UNUSED | (1UL<<(63-31)))
 125 #define H_PAGE_SET_ACTIVE       H_PAGE_STATE_CHANGE
 126 #define H_AVPN                  (1UL<<(63-32))  /* An avpn is provided as a sanity test */
 127 #define H_ANDCOND               (1UL<<(63-33))
 128 #define H_LOCAL                 (1UL<<(63-35))
 129 #define H_ICACHE_INVALIDATE     (1UL<<(63-40))  /* icbi, etc.  (ignored for IO pages) */
 130 #define H_ICACHE_SYNCHRONIZE    (1UL<<(63-41))  /* dcbst, icbi, etc (ignored for IO pages */
 131 #define H_COALESCE_CAND (1UL<<(63-42))  /* page is a good candidate for coalescing */
 132 #define H_ZERO_PAGE             (1UL<<(63-48))  /* zero the page before mapping (ignored for IO pages) */
 133 #define H_COPY_PAGE             (1UL<<(63-49))
 134 #define H_N                     (1UL<<(63-61))
 135 #define H_PP1                   (1UL<<(63-62))
 136 #define H_PP2                   (1UL<<(63-63))
 137
 138 /* Flags for H_REGISTER_VPA subfunction field */
 139 #define H_VPA_FUNC_SHIFT        (63-18) /* Bit posn of subfunction code */
 140 #define H_VPA_FUNC_MASK         7UL
 141 #define H_VPA_REG_VPA           1UL     /* Register Virtual Processor Area */
 142 #define H_VPA_REG_DTL           2UL     /* Register Dispatch Trace Log */
 143 #define H_VPA_REG_SLB           3UL     /* Register SLB shadow buffer */
 144 #define H_VPA_DEREG_VPA         5UL     /* Deregister Virtual Processor Area */
 145 #define H_VPA_DEREG_DTL         6UL     /* Deregister Dispatch Trace Log */
 146 #define H_VPA_DEREG_SLB         7UL     /* Deregister SLB shadow buffer */
 147
 148 /* VASI States */
 149 #define H_VASI_INVALID          0
 150 #define H_VASI_ENABLED          1
 151 #define H_VASI_ABORTED          2
 152 #define H_VASI_SUSPENDING       3
 153 #define H_VASI_SUSPENDED        4
 154 #define H_VASI_RESUMED          5
 155 #define H_VASI_COMPLETED        6
 156
 157 /* Each control block has to be on a 4K boundary */
 158 #define H_CB_ALIGNMENT          4096
 159
 160 /* pSeries hypervisor opcodes */
 161 #define H_REMOVE                0x04
 162 #define H_ENTER                 0x08
 163 #define H_READ                  0x0c
 164 #define H_CLEAR_MOD             0x10
 165 #define H_CLEAR_REF             0x14
 166 #define H_PROTECT               0x18
 167 #define H_GET_TCE               0x1c
 168 #define H_PUT_TCE               0x20
 169 #define H_SET_SPRG0             0x24
 170 #define H_SET_DABR              0x28
 171 #define H_PAGE_INIT             0x2c
 172 #define H_SET_ASR               0x30
 173 #define H_ASR_ON                0x34
 174 #define H_ASR_OFF               0x38
 175 #define H_LOGICAL_CI_LOAD       0x3c
 176 #define H_LOGICAL_CI_STORE      0x40
 177 #define H_LOGICAL_CACHE_LOAD    0x44
 178 #define H_LOGICAL_CACHE_STORE   0x48
 179 #define H_LOGICAL_ICBI          0x4c
 180 #define H_LOGICAL_DCBF          0x50
 181 #define H_GET_TERM_CHAR         0x54
 182 #define H_PUT_TERM_CHAR         0x58
 183 #define H_REAL_TO_LOGICAL       0x5c
 184 #define H_HYPERVISOR_DATA       0x60
 185 #define H_EOI                   0x64
 186 #define H_CPPR                  0x68
 187 #define H_IPI                   0x6c
 188 #define H_IPOLL                 0x70
 189 #define H_XIRR                  0x74
 190 #define H_PERFMON               0x7c
 191 #define H_MIGRATE_DMA           0x78
 192 #define H_REGISTER_VPA          0xDC
 193 #define H_CEDE                  0xE0
 194 #define H_CONFER                0xE4
 195 #define H_PROD                  0xE8
 196 #define H_GET_PPP               0xEC
 197 #define H_SET_PPP               0xF0
 198 #define H_PURR                  0xF4
 199 #define H_PIC                   0xF8
 200 #define H_REG_CRQ               0xFC
 201 #define H_FREE_CRQ              0x100
 202 #define H_VIO_SIGNAL            0x104
 203 #define H_SEND_CRQ              0x108
 204 #define H_COPY_RDMA             0x110
 205 #define H_REGISTER_LOGICAL_LAN  0x114
 206 #define H_FREE_LOGICAL_LAN      0x118
 207 #define H_ADD_LOGICAL_LAN_BUFFER 0x11C
 208 #define H_SEND_LOGICAL_LAN      0x120
 209 #define H_BULK_REMOVE           0x124
 210 #define H_MULTICAST_CTRL        0x130
 211 #define H_SET_XDABR             0x134
 212 #define H_STUFF_TCE             0x138
 213 #define H_PUT_TCE_INDIRECT      0x13C
 214 #define H_CHANGE_LOGICAL_LAN_MAC 0x14C
 215 #define H_VTERM_PARTNER_INFO    0x150
 216 #define H_REGISTER_VTERM        0x154
 217 #define H_FREE_VTERM            0x158
 218 #define H_RESET_EVENTS          0x15C
 219 #define H_ALLOC_RESOURCE        0x160
 220 #define H_FREE_RESOURCE         0x164
 221 #define H_MODIFY_QP             0x168
 222 #define H_QUERY_QP              0x16C
 223 #define H_REREGISTER_PMR        0x170
 224 #define H_REGISTER_SMR          0x174
 225 #define H_QUERY_MR              0x178
 226 #define H_QUERY_MW              0x17C
 227 #define H_QUERY_HCA             0x180
 228 #define H_QUERY_PORT            0x184
 229 #define H_MODIFY_PORT           0x188
 230 #define H_DEFINE_AQP1           0x18C
 231 #define H_GET_TRACE_BUFFER      0x190
 232 #define H_DEFINE_AQP0           0x194
 233 #define H_RESIZE_MR             0x198
 234 #define H_ATTACH_MCQP           0x19C
 235 #define H_DETACH_MCQP           0x1A0
 236 #define H_CREATE_RPT            0x1A4
 237 #define H_REMOVE_RPT            0x1A8
 238 #define H_REGISTER_RPAGES       0x1AC
 239 #define H_DISABLE_AND_GETC      0x1B0
 240 #define H_ERROR_DATA            0x1B4
 241 #define H_GET_HCA_INFO          0x1B8
 242 #define H_GET_PERF_COUNT        0x1BC
 243 #define H_MANAGE_TRACE          0x1C0
 244 #define H_GET_CPU_CHARACTERISTICS 0x1C8
 245 #define H_FREE_LOGICAL_LAN_BUFFER 0x1D4
 246 #define H_QUERY_INT_STATE       0x1E4
 247 #define H_POLL_PENDING          0x1D8
 248 #define H_ILLAN_ATTRIBUTES      0x244
 249 #define H_MODIFY_HEA_QP         0x250
 250 #define H_QUERY_HEA_QP          0x254
 251 #define H_QUERY_HEA             0x258
 252 #define H_QUERY_HEA_PORT        0x25C
 253 #define H_MODIFY_HEA_PORT       0x260
 254 #define H_REG_BCMC              0x264
 255 #define H_DEREG_BCMC            0x268
 256 #define H_REGISTER_HEA_RPAGES   0x26C
 257 #define H_DISABLE_AND_GET_HEA   0x270
 258 #define H_GET_HEA_INFO          0x274
 259 #define H_ALLOC_HEA_RESOURCE    0x278
 260 #define H_ADD_CONN              0x284
 261 #define H_DEL_CONN              0x288
 262 #define H_JOIN                  0x298
 263 #define H_VASI_STATE            0x2A4
 264 #define H_VIOCTL                0x2A8
 265 #define H_ENABLE_CRQ            0x2B0
 266 #define H_GET_EM_PARMS          0x2B8
 267 #define H_SET_MPP               0x2D0
 268 #define H_GET_MPP               0x2D4
 269 #define H_REG_SUB_CRQ           0x2DC
 270 #define H_HOME_NODE_ASSOCIATIVITY 0x2EC
 271 #define H_FREE_SUB_CRQ          0x2E0
 272 #define H_SEND_SUB_CRQ          0x2E4
 273 #define H_SEND_SUB_CRQ_INDIRECT 0x2E8
 274 #define H_BEST_ENERGY           0x2F4
 275 #define H_XIRR_X                0x2FC
 276 #define H_RANDOM                0x300
 277 #define H_COP                   0x304
 278 #define H_GET_MPP_X             0x314
 279 #define H_SET_MODE              0x31C
 280 #define H_CLEAR_HPT             0x358
 281 #define H_RESIZE_HPT_PREPARE    0x36C
 282 #define H_RESIZE_HPT_COMMIT     0x370
 283 #define H_REGISTER_PROC_TBL     0x37C
 284 #define H_SIGNAL_SYS_RESET      0x380
 285 #define H_INT_GET_SOURCE_INFO   0x3A8
 286 #define H_INT_SET_SOURCE_CONFIG 0x3AC
 287 #define H_INT_GET_SOURCE_CONFIG 0x3B0
 288 #define H_INT_GET_QUEUE_INFO    0x3B4
 289 #define H_INT_SET_QUEUE_CONFIG  0x3B8
 290 #define H_INT_GET_QUEUE_CONFIG  0x3BC
 291 #define H_INT_SET_OS_REPORTING_LINE 0x3C0
 292 #define H_INT_GET_OS_REPORTING_LINE 0x3C4
 293 #define H_INT_ESB               0x3C8
 294 #define H_INT_SYNC              0x3CC
 295 #define H_INT_RESET             0x3D0
 296 #define MAX_HCALL_OPCODE        H_INT_RESET
 297
 298 /* H_VIOCTL functions */
 299 #define H_GET_VIOA_DUMP_SIZE    0x01
 300 #define H_GET_VIOA_DUMP         0x02
 301 #define H_GET_ILLAN_NUM_VLAN_IDS 0x03
 302 #define H_GET_ILLAN_VLAN_ID_LIST 0x04
 303 #define H_GET_ILLAN_SWITCH_ID   0x05
 304 #define H_DISABLE_MIGRATION     0x06
 305 #define H_ENABLE_MIGRATION      0x07
 306 #define H_GET_PARTNER_INFO      0x08
 307 #define H_GET_PARTNER_WWPN_LIST 0x09
 308 #define H_DISABLE_ALL_VIO_INTS  0x0A
 309 #define H_DISABLE_VIO_INTERRUPT 0x0B
 310 #define H_ENABLE_VIO_INTERRUPT  0x0C
 311 #define H_GET_SESSION_TOKEN     0x19
 312 #define H_SESSION_ERR_DETECTED  0x1A
 313
 314
 315 /* Platform specific hcalls, used by KVM */
 316 #define H_RTAS                  0xf000
 317
 318 /* "Platform specific hcalls", provided by PHYP */
 319 #define H_GET_24X7_CATALOG_PAGE 0xF078
 320 #define H_GET_24X7_DATA         0xF07C
 321 #define H_GET_PERF_COUNTER_INFO 0xF080
 322
 323 /* Values for 2nd argument to H_SET_MODE */
 324 #define H_SET_MODE_RESOURCE_SET_CIABR           1
 325 #define H_SET_MODE_RESOURCE_SET_DAWR            2
 326 #define H_SET_MODE_RESOURCE_ADDR_TRANS_MODE     3
 327 #define H_SET_MODE_RESOURCE_LE                  4
 328
 329 /* Values for argument to H_SIGNAL_SYS_RESET */
 330 #define H_SIGNAL_SYS_RESET_ALL                  -1
 331 #define H_SIGNAL_SYS_RESET_ALL_OTHERS           -2
 332 /* >= 0 values are CPU number */
 333
 334 /* H_GET_CPU_CHARACTERISTICS return values */
 335 #define H_CPU_CHAR_SPEC_BAR_ORI31       (1ull << 63) // IBM bit 0
 336 #define H_CPU_CHAR_BCCTRL_SERIALISED    (1ull << 62) // IBM bit 1
 337 #define H_CPU_CHAR_L1D_FLUSH_ORI30      (1ull << 61) // IBM bit 2
 338 #define H_CPU_CHAR_L1D_FLUSH_TRIG2      (1ull << 60) // IBM bit 3
 339 #define H_CPU_CHAR_L1D_THREAD_PRIV      (1ull << 59) // IBM bit 4
 340
 341 #define H_CPU_BEHAV_FAVOUR_SECURITY     (1ull << 63) // IBM bit 0
 342 #define H_CPU_BEHAV_L1D_FLUSH_PR        (1ull << 62) // IBM bit 1
 343 #define H_CPU_BEHAV_BNDS_CHK_SPEC_BAR   (1ull << 61) // IBM bit 2
 344
 345 /* Flag values used in H_REGISTER_PROC_TBL hcall */
 346 #define PROC_TABLE_OP_MASK      0x18
 347 #define PROC_TABLE_DEREG        0x10
 348 #define PROC_TABLE_NEW          0x18
 349 #define PROC_TABLE_TYPE_MASK    0x06
 350 #define PROC_TABLE_HPT_SLB      0x00
 351 #define PROC_TABLE_HPT_PT       0x02
 352 #define PROC_TABLE_RADIX        0x04
 353 #define PROC_TABLE_GTSE         0x01
 354
 355 #ifndef __ASSEMBLY__
 356 #include <linux/types.h>
 357
 358 /**
 359  * plpar_hcall_norets: - Make a pseries hypervisor call with no return arguments
 360  * @opcode: The hypervisor call to make.
 361  *
 362  * This call supports up to 7 arguments and only returns the status of
 363  * the hcall. Use this version where possible, its slightly faster than
 364  * the other plpar_hcalls.
 365  */
 366 long plpar_hcall_norets(unsigned long opcode, ...);
 367
 368 /**
 369  * plpar_hcall: - Make a pseries hypervisor call
 370  * @opcode: The hypervisor call to make.
 371  * @retbuf: Buffer to store up to 4 return arguments in.
 372  *
 373  * This call supports up to 6 arguments and 4 return arguments. Use
 374  * PLPAR_HCALL_BUFSIZE to size the return argument buffer.
 375  *
 376  * Used for all but the craziest of phyp interfaces (see plpar_hcall9)
 377  */
 378 #define PLPAR_HCALL_BUFSIZE 4
 379 long plpar_hcall(unsigned long opcode, unsigned long *retbuf, ...);
 380
 381 /**
 382  * plpar_hcall_raw: - Make a hypervisor call without calculating hcall stats
 383  * @opcode: The hypervisor call to make.
 384  * @retbuf: Buffer to store up to 4 return arguments in.
 385  *
 386  * This call supports up to 6 arguments and 4 return arguments. Use
 387  * PLPAR_HCALL_BUFSIZE to size the return argument buffer.
 388  *
 389  * Used when phyp interface needs to be called in real mode. Similar to
 390  * plpar_hcall, but plpar_hcall_raw works in real mode and does not
 391  * calculate hypervisor call statistics.
 392  */
 393 long plpar_hcall_raw(unsigned long opcode, unsigned long *retbuf, ...);
 394
 395 /**
 396  * plpar_hcall9: - Make a pseries hypervisor call with up to 9 return arguments
 397  * @opcode: The hypervisor call to make.
 398  * @retbuf: Buffer to store up to 9 return arguments in.
 399  *
 400  * This call supports up to 9 arguments and 9 return arguments. Use
 401  * PLPAR_HCALL9_BUFSIZE to size the return argument buffer.
 402  */
 403 #define PLPAR_HCALL9_BUFSIZE 9
 404 long plpar_hcall9(unsigned long opcode, unsigned long *retbuf, ...);
 405 long plpar_hcall9_raw(unsigned long opcode, unsigned long *retbuf, ...);
 406
 407 struct hvcall_mpp_data {
 408         unsigned long entitled_mem;
 409         unsigned long mapped_mem;
 410         unsigned short group_num;
 411         unsigned short pool_num;
 412         unsigned char mem_weight;
 413         unsigned char unallocated_mem_weight;
 414         unsigned long unallocated_entitlement;  /* value in bytes */
 415         unsigned long pool_size;
 416         signed long loan_request;
 417         unsigned long backing_mem;
 418 };
 419
 420 int h_get_mpp(struct hvcall_mpp_data *);
 421
 422 struct hvcall_mpp_x_data {
 423         unsigned long coalesced_bytes;
 424         unsigned long pool_coalesced_bytes;
 425         unsigned long pool_purr_cycles;
 426         unsigned long pool_spurr_cycles;
 427         unsigned long reserved[3];
 428 };
 429
 430 int h_get_mpp_x(struct hvcall_mpp_x_data *mpp_x_data);
 431
 432 static inline unsigned int get_longbusy_msecs(int longbusy_rc)
 433 {
 434         switch (longbusy_rc) {
 435         case H_LONG_BUSY_ORDER_1_MSEC:
 436                 return 1;
 437         case H_LONG_BUSY_ORDER_10_MSEC:
 438                 return 10;
 439         case H_LONG_BUSY_ORDER_100_MSEC:
 440                 return 100;
 441         case H_LONG_BUSY_ORDER_1_SEC:
 442                 return 1000;
 443         case H_LONG_BUSY_ORDER_10_SEC:
 444                 return 10000;
 445         case H_LONG_BUSY_ORDER_100_SEC:
 446                 return 100000;
 447         default:
 448                 return 1;
 449         }
 450 }
 451
 452 struct h_cpu_char_result {
 453         u64 character;
 454         u64 behaviour;
 455 };
 456
 457 #endif /* __ASSEMBLY__ */
 458 #endif /* __KERNEL__ */
 459 #endif /* _ASM_POWERPC_HVCALL_H */