include/asm-powerpc/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 #define H_HARDWARE      -1      /* Hardware error */
  33 #define H_FUNCTION      -2      /* Function not supported */
  34 #define H_PRIVILEGE     -3      /* Caller not privileged */
  35 #define H_PARAMETER     -4      /* Parameter invalid, out-of-range or conflicting */
  36 #define H_BAD_MODE      -5      /* Illegal msr value */
  37 #define H_PTEG_FULL     -6      /* PTEG is full */
  38 #define H_NOT_FOUND     -7      /* PTE was not found" */
  39 #define H_RESERVED_DABR -8      /* DABR address is reserved by the hypervisor on this processor" */
  40 #define H_NO_MEM        -9
  41 #define H_AUTHORITY     -10
  42 #define H_PERMISSION    -11
  43 #define H_DROPPED       -12
  44 #define H_SOURCE_PARM   -13
  45 #define H_DEST_PARM     -14
  46 #define H_REMOTE_PARM   -15
  47 #define H_RESOURCE      -16
  48 #define H_ADAPTER_PARM  -17
  49 #define H_RH_PARM       -18
  50 #define H_RCQ_PARM      -19
  51 #define H_SCQ_PARM      -20
  52 #define H_EQ_PARM       -21
  53 #define H_RT_PARM       -22
  54 #define H_ST_PARM       -23
  55 #define H_SIGT_PARM     -24
  56 #define H_TOKEN_PARM    -25
  57 #define H_MLENGTH_PARM  -27
  58 #define H_MEM_PARM      -28
  59 #define H_MEM_ACCESS_PARM -29
  60 #define H_ATTR_PARM     -30
  61 #define H_PORT_PARM     -31
  62 #define H_MCG_PARM      -32
  63 #define H_VL_PARM       -33
  64 #define H_TSIZE_PARM    -34
  65 #define H_TRACE_PARM    -35
  66
  67 #define H_MASK_PARM     -37
  68 #define H_MCG_FULL      -38
  69 #define H_ALIAS_EXIST   -39
  70 #define H_P_COUNTER     -40
  71 #define H_TABLE_FULL    -41
  72 #define H_ALT_TABLE     -42
  73 #define H_MR_CONDITION  -43
  74 #define H_NOT_ENOUGH_RESOURCES -44
  75 #define H_R_STATE       -45
  76 #define H_RESCINDEND    -46
  77
  78
  79 /* Long Busy is a condition that can be returned by the firmware
  80  * when a call cannot be completed now, but the identical call
  81  * should be retried later.  This prevents calls blocking in the
  82  * firmware for long periods of time.  Annoyingly the firmware can return
  83  * a range of return codes, hinting at how long we should wait before
  84  * retrying.  If you don't care for the hint, the macro below is a good
  85  * way to check for the long_busy return codes
  86  */
  87 #define H_IS_LONG_BUSY(x)  ((x >= H_LONG_BUSY_START_RANGE) \
  88                              && (x <= H_LONG_BUSY_END_RANGE))
  89
  90 /* Flags */
  91 #define H_LARGE_PAGE            (1UL<<(63-16))
  92 #define H_EXACT                 (1UL<<(63-24))  /* Use exact PTE or return H_PTEG_FULL */
  93 #define H_R_XLATE               (1UL<<(63-25))  /* include a valid logical page num in the pte if the valid bit is set */
  94 #define H_READ_4                (1UL<<(63-26))  /* Return 4 PTEs */
  95 #define H_AVPN                  (1UL<<(63-32))  /* An avpn is provided as a sanity test */
  96 #define H_ANDCOND               (1UL<<(63-33))
  97 #define H_ICACHE_INVALIDATE     (1UL<<(63-40))  /* icbi, etc.  (ignored for IO pages) */
  98 #define H_ICACHE_SYNCHRONIZE    (1UL<<(63-41))  /* dcbst, icbi, etc (ignored for IO pages */
  99 #define H_ZERO_PAGE             (1UL<<(63-48))  /* zero the page before mapping (ignored for IO pages) */
 100 #define H_COPY_PAGE             (1UL<<(63-49))
 101 #define H_N                     (1UL<<(63-61))
 102 #define H_PP1                   (1UL<<(63-62))
 103 #define H_PP2                   (1UL<<(63-63))
 104
 105 /* VASI States */
 106 #define H_VASI_INVALID          0
 107 #define H_VASI_ENABLED          1
 108 #define H_VASI_ABORTED          2
 109 #define H_VASI_SUSPENDING       3
 110 #define H_VASI_SUSPENDED        4
 111 #define H_VASI_RESUMED          5
 112 #define H_VASI_COMPLETED        6
 113
 114 /* DABRX flags */
 115 #define H_DABRX_HYPERVISOR      (1UL<<(63-61))
 116 #define H_DABRX_KERNEL          (1UL<<(63-62))
 117 #define H_DABRX_USER            (1UL<<(63-63))
 118
 119 /* Each control block has to be on a 4K bondary */
 120 #define H_CB_ALIGNMENT          4096
 121
 122 /* pSeries hypervisor opcodes */
 123 #define H_REMOVE                0x04
 124 #define H_ENTER                 0x08
 125 #define H_READ                  0x0c
 126 #define H_CLEAR_MOD             0x10
 127 #define H_CLEAR_REF             0x14
 128 #define H_PROTECT               0x18
 129 #define H_GET_TCE               0x1c
 130 #define H_PUT_TCE               0x20
 131 #define H_SET_SPRG0             0x24
 132 #define H_SET_DABR              0x28
 133 #define H_PAGE_INIT             0x2c
 134 #define H_SET_ASR               0x30
 135 #define H_ASR_ON                0x34
 136 #define H_ASR_OFF               0x38
 137 #define H_LOGICAL_CI_LOAD       0x3c
 138 #define H_LOGICAL_CI_STORE      0x40
 139 #define H_LOGICAL_CACHE_LOAD    0x44
 140 #define H_LOGICAL_CACHE_STORE   0x48
 141 #define H_LOGICAL_ICBI          0x4c
 142 #define H_LOGICAL_DCBF          0x50
 143 #define H_GET_TERM_CHAR         0x54
 144 #define H_PUT_TERM_CHAR         0x58
 145 #define H_REAL_TO_LOGICAL       0x5c
 146 #define H_HYPERVISOR_DATA       0x60
 147 #define H_EOI                   0x64
 148 #define H_CPPR                  0x68
 149 #define H_IPI                   0x6c
 150 #define H_IPOLL                 0x70
 151 #define H_XIRR                  0x74
 152 #define H_PERFMON               0x7c
 153 #define H_MIGRATE_DMA           0x78
 154 #define H_REGISTER_VPA          0xDC
 155 #define H_CEDE                  0xE0
 156 #define H_CONFER                0xE4
 157 #define H_PROD                  0xE8
 158 #define H_GET_PPP               0xEC
 159 #define H_SET_PPP               0xF0
 160 #define H_PURR                  0xF4
 161 #define H_PIC                   0xF8
 162 #define H_REG_CRQ               0xFC
 163 #define H_FREE_CRQ              0x100
 164 #define H_VIO_SIGNAL            0x104
 165 #define H_SEND_CRQ              0x108
 166 #define H_COPY_RDMA             0x110
 167 #define H_REGISTER_LOGICAL_LAN  0x114
 168 #define H_FREE_LOGICAL_LAN      0x118
 169 #define H_ADD_LOGICAL_LAN_BUFFER 0x11C
 170 #define H_SEND_LOGICAL_LAN      0x120
 171 #define H_MULTICAST_CTRL        0x130
 172 #define H_SET_XDABR             0x134
 173 #define H_STUFF_TCE             0x138
 174 #define H_PUT_TCE_INDIRECT      0x13C
 175 #define H_CHANGE_LOGICAL_LAN_MAC 0x14C
 176 #define H_VTERM_PARTNER_INFO    0x150
 177 #define H_REGISTER_VTERM        0x154
 178 #define H_FREE_VTERM            0x158
 179 #define H_RESET_EVENTS          0x15C
 180 #define H_ALLOC_RESOURCE        0x160
 181 #define H_FREE_RESOURCE         0x164
 182 #define H_MODIFY_QP             0x168
 183 #define H_QUERY_QP              0x16C
 184 #define H_REREGISTER_PMR        0x170
 185 #define H_REGISTER_SMR          0x174
 186 #define H_QUERY_MR              0x178
 187 #define H_QUERY_MW              0x17C
 188 #define H_QUERY_HCA             0x180
 189 #define H_QUERY_PORT            0x184
 190 #define H_MODIFY_PORT           0x188
 191 #define H_DEFINE_AQP1           0x18C
 192 #define H_GET_TRACE_BUFFER      0x190
 193 #define H_DEFINE_AQP0           0x194
 194 #define H_RESIZE_MR             0x198
 195 #define H_ATTACH_MCQP           0x19C
 196 #define H_DETACH_MCQP           0x1A0
 197 #define H_CREATE_RPT            0x1A4
 198 #define H_REMOVE_RPT            0x1A8
 199 #define H_REGISTER_RPAGES       0x1AC
 200 #define H_DISABLE_AND_GETC      0x1B0
 201 #define H_ERROR_DATA            0x1B4
 202 #define H_GET_HCA_INFO          0x1B8
 203 #define H_GET_PERF_COUNT        0x1BC
 204 #define H_MANAGE_TRACE          0x1C0
 205 #define H_FREE_LOGICAL_LAN_BUFFER 0x1D4
 206 #define H_QUERY_INT_STATE       0x1E4
 207 #define H_POLL_PENDING          0x1D8
 208 #define H_JOIN                  0x298
 209 #define H_VASI_STATE            0x2A4
 210 #define H_ENABLE_CRQ            0x2B0
 211 #define MAX_HCALL_OPCODE        H_ENABLE_CRQ
 212
 213 #ifndef __ASSEMBLY__
 214
 215 /**
 216  * plpar_hcall_norets: - Make a pseries hypervisor call with no return arguments
 217  * @opcode: The hypervisor call to make.
 218  *
 219  * This call supports up to 7 arguments and only returns the status of
 220  * the hcall. Use this version where possible, its slightly faster than
 221  * the other plpar_hcalls.
 222  */
 223 long plpar_hcall_norets(unsigned long opcode, ...);
 224
 225 /**
 226  * plpar_hcall: - Make a pseries hypervisor call
 227  * @opcode: The hypervisor call to make.
 228  * @retbuf: Buffer to store up to 4 return arguments in.
 229  *
 230  * This call supports up to 6 arguments and 4 return arguments. Use
 231  * PLPAR_HCALL_BUFSIZE to size the return argument buffer.
 232  *
 233  * Used for all but the craziest of phyp interfaces (see plpar_hcall9)
 234  */
 235 #define PLPAR_HCALL_BUFSIZE 4
 236 long plpar_hcall(unsigned long opcode, unsigned long *retbuf, ...);
 237
 238 /**
 239  * plpar_hcall9: - Make a pseries hypervisor call with up to 9 return arguments
 240  * @opcode: The hypervisor call to make.
 241  * @retbuf: Buffer to store up to 9 return arguments in.
 242  *
 243  * This call supports up to 9 arguments and 9 return arguments. Use
 244  * PLPAR_HCALL9_BUFSIZE to size the return argument buffer.
 245  */
 246 #define PLPAR_HCALL9_BUFSIZE 9
 247 long plpar_hcall9(unsigned long opcode, unsigned long *retbuf, ...);
 248
 249 /* For hcall instrumentation.  One structure per-hcall, per-CPU */
 250 struct hcall_stats {
 251         unsigned long   num_calls;      /* number of calls (on this CPU) */
 252         unsigned long   tb_total;       /* total wall time (mftb) of calls. */
 253         unsigned long   purr_total;     /* total cpu time (PURR) of calls. */
 254 };
 255 void update_hcall_stats(unsigned long opcode, unsigned long tb_delta,
 256                         unsigned long purr_delta);
 257 #define HCALL_STAT_ARRAY_SIZE   ((MAX_HCALL_OPCODE >> 2) + 1)
 258
 259 #endif /* __ASSEMBLY__ */
 260 #endif /* __KERNEL__ */
 261 #endif /* _ASM_POWERPC_HVCALL_H */