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_Constrained   4       /* Resource request constrained to max allowed */
  10 #define H_LongBusyStartRange   9900  /* Start of long busy range */
  11 #define H_LongBusyOrder1msec   9900  /* Long busy, hint that 1msec is a good time to retry */
  12 #define H_LongBusyOrder10msec  9901  /* Long busy, hint that 10msec is a good time to retry */
  13 #define H_LongBusyOrder100msec 9902  /* Long busy, hint that 100msec is a good time to retry */
  14 #define H_LongBusyOrder1sec    9903  /* Long busy, hint that 1sec is a good time to retry */
  15 #define H_LongBusyOrder10sec   9904  /* Long busy, hint that 10sec is a good time to retry */
  16 #define H_LongBusyOrder100sec  9905  /* Long busy, hint that 100sec is a good time to retry */
  17 #define H_LongBusyEndRange     9905  /* End of long busy range */
  18 #define H_Hardware      -1      /* Hardware error */
  19 #define H_Function      -2      /* Function not supported */
  20 #define H_Privilege     -3      /* Caller not privileged */
  21 #define H_Parameter     -4      /* Parameter invalid, out-of-range or conflicting */
  22 #define H_Bad_Mode      -5      /* Illegal msr value */
  23 #define H_PTEG_Full     -6      /* PTEG is full */
  24 #define H_Not_Found     -7      /* PTE was not found" */
  25 #define H_Reserved_DABR -8      /* DABR address is reserved by the hypervisor on this processor" */
  26 #define H_NoMem                 -9
  27 #define H_Authority            -10
  28 #define H_Permission           -11
  29 #define H_Dropped              -12
  30 #define H_SourceParm           -13
  31 #define H_DestParm             -14
  32 #define H_RemoteParm           -15
  33 #define H_Resource             -16
  34
  35 /* Long Busy is a condition that can be returned by the firmware
  36  * when a call cannot be completed now, but the identical call
  37  * should be retried later.  This prevents calls blocking in the
  38  * firmware for long periods of time. Annoyingly the firmware can return
  39  * a range of return codes, hinting at how long we should wait before
  40  * retrying.  If you don't care for the hint, the macro below is a good
  41  * way to check for the long_busy return codes
  42  */
  43 #define H_isLongBusy(x)  ((x >= H_LongBusyStartRange) && (x <= H_LongBusyEndRange))
  44
  45 /* Flags */
  46 #define H_LARGE_PAGE            (1UL<<(63-16))
  47 #define H_EXACT                 (1UL<<(63-24))  /* Use exact PTE or return H_PTEG_FULL */
  48 #define H_R_XLATE               (1UL<<(63-25))  /* include a valid logical page num in the pte if the valid bit is set */
  49 #define H_READ_4                (1UL<<(63-26))  /* Return 4 PTEs */
  50 #define H_AVPN                  (1UL<<(63-32))  /* An avpn is provided as a sanity test */
  51 #define H_ANDCOND               (1UL<<(63-33))
  52 #define H_ICACHE_INVALIDATE     (1UL<<(63-40))  /* icbi, etc.  (ignored for IO pages) */
  53 #define H_ICACHE_SYNCHRONIZE    (1UL<<(63-41))  /* dcbst, icbi, etc (ignored for IO pages */
  54 #define H_ZERO_PAGE             (1UL<<(63-48))  /* zero the page before mapping (ignored for IO pages) */
  55 #define H_COPY_PAGE             (1UL<<(63-49))
  56 #define H_N                     (1UL<<(63-61))
  57 #define H_PP1                   (1UL<<(63-62))
  58 #define H_PP2                   (1UL<<(63-63))
  59
  60 /* DABRX flags */
  61 #define H_DABRX_HYPERVISOR      (1UL<<(63-61))
  62 #define H_DABRX_KERNEL          (1UL<<(63-62))
  63 #define H_DABRX_USER            (1UL<<(63-63))
  64
  65 /* pSeries hypervisor opcodes */
  66 #define H_REMOVE                0x04
  67 #define H_ENTER                 0x08
  68 #define H_READ                  0x0c
  69 #define H_CLEAR_MOD             0x10
  70 #define H_CLEAR_REF             0x14
  71 #define H_PROTECT               0x18
  72 #define H_GET_TCE               0x1c
  73 #define H_PUT_TCE               0x20
  74 #define H_SET_SPRG0             0x24
  75 #define H_SET_DABR              0x28
  76 #define H_PAGE_INIT             0x2c
  77 #define H_SET_ASR               0x30
  78 #define H_ASR_ON                0x34
  79 #define H_ASR_OFF               0x38
  80 #define H_LOGICAL_CI_LOAD       0x3c
  81 #define H_LOGICAL_CI_STORE      0x40
  82 #define H_LOGICAL_CACHE_LOAD    0x44
  83 #define H_LOGICAL_CACHE_STORE   0x48
  84 #define H_LOGICAL_ICBI          0x4c
  85 #define H_LOGICAL_DCBF          0x50
  86 #define H_GET_TERM_CHAR         0x54
  87 #define H_PUT_TERM_CHAR         0x58
  88 #define H_REAL_TO_LOGICAL       0x5c
  89 #define H_HYPERVISOR_DATA       0x60
  90 #define H_EOI                   0x64
  91 #define H_CPPR                  0x68
  92 #define H_IPI                   0x6c
  93 #define H_IPOLL                 0x70
  94 #define H_XIRR                  0x74
  95 #define H_PERFMON               0x7c
  96 #define H_MIGRATE_DMA           0x78
  97 #define H_REGISTER_VPA          0xDC
  98 #define H_CEDE                  0xE0
  99 #define H_CONFER                0xE4
 100 #define H_PROD                  0xE8
 101 #define H_GET_PPP               0xEC
 102 #define H_SET_PPP               0xF0
 103 #define H_PURR                  0xF4
 104 #define H_PIC                   0xF8
 105 #define H_REG_CRQ               0xFC
 106 #define H_FREE_CRQ              0x100
 107 #define H_VIO_SIGNAL            0x104
 108 #define H_SEND_CRQ              0x108
 109 #define H_COPY_RDMA             0x110
 110 #define H_SET_XDABR             0x134
 111 #define H_STUFF_TCE             0x138
 112 #define H_PUT_TCE_INDIRECT      0x13C
 113 #define H_VTERM_PARTNER_INFO    0x150
 114 #define H_REGISTER_VTERM        0x154
 115 #define H_FREE_VTERM            0x158
 116 #define H_POLL_PENDING          0x1D8
 117
 118 #ifndef __ASSEMBLY__
 119
 120 /* plpar_hcall() -- Generic call interface using above opcodes
 121  *
 122  * The actual call interface is a hypervisor call instruction with
 123  * the opcode in R3 and input args in R4-R7.
 124  * Status is returned in R3 with variable output values in R4-R11.
 125  * Only H_PTE_READ with H_READ_4 uses R6-R11 so we ignore it for now
 126  * and return only two out args which MUST ALWAYS BE PROVIDED.
 127  */
 128 long plpar_hcall(unsigned long opcode,
 129                  unsigned long arg1,
 130                  unsigned long arg2,
 131                  unsigned long arg3,
 132                  unsigned long arg4,
 133                  unsigned long *out1,
 134                  unsigned long *out2,
 135                  unsigned long *out3);
 136
 137 /* Same as plpar_hcall but for those opcodes that return no values
 138  * other than status.  Slightly more efficient.
 139  */
 140 long plpar_hcall_norets(unsigned long opcode, ...);
 141
 142 /*
 143  * Special hcall interface for ibmveth support.
 144  * Takes 8 input parms. Returns a rc and stores the
 145  * R4 return value in *out1.
 146  */
 147 long plpar_hcall_8arg_2ret(unsigned long opcode,
 148                            unsigned long arg1,
 149                            unsigned long arg2,
 150                            unsigned long arg3,
 151                            unsigned long arg4,
 152                            unsigned long arg5,
 153                            unsigned long arg6,
 154                            unsigned long arg7,
 155                            unsigned long arg8,
 156                            unsigned long *out1);
 157
 158 /* plpar_hcall_4out()
 159  *
 160  * same as plpar_hcall except with 4 output arguments.
 161  *
 162  */
 163 long plpar_hcall_4out(unsigned long opcode,
 164                       unsigned long arg1,
 165                       unsigned long arg2,
 166                       unsigned long arg3,
 167                       unsigned long arg4,
 168                       unsigned long *out1,
 169                       unsigned long *out2,
 170                       unsigned long *out3,
 171                       unsigned long *out4);
 172
 173 #endif /* __ASSEMBLY__ */
 174 #endif /* __KERNEL__ */
 175 #endif /* _ASM_POWERPC_HVCALL_H */