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#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_PAGE_STATE_CHANGE     (1UL<<(63-28))
  96#define H_PAGE_UNUSED           ((1UL<<(63-29)) | (1UL<<(63-30)))
  97#define H_PAGE_SET_UNUSED       (H_PAGE_STATE_CHANGE | H_PAGE_UNUSED)
  98#define H_PAGE_SET_LOANED       (H_PAGE_SET_UNUSED | (1UL<<(63-31)))
  99#define H_PAGE_SET_ACTIVE       H_PAGE_STATE_CHANGE
 100#define H_AVPN                  (1UL<<(63-32))  /* An avpn is provided as a sanity test */
 101#define H_ANDCOND               (1UL<<(63-33))
 102#define H_ICACHE_INVALIDATE     (1UL<<(63-40))  /* icbi, etc.  (ignored for IO pages) */
 103#define H_ICACHE_SYNCHRONIZE    (1UL<<(63-41))  /* dcbst, icbi, etc (ignored for IO pages */
 104#define H_ZERO_PAGE             (1UL<<(63-48))  /* zero the page before mapping (ignored for IO pages) */
 105#define H_COPY_PAGE             (1UL<<(63-49))
 106#define H_N                     (1UL<<(63-61))
 107#define H_PP1                   (1UL<<(63-62))
 108#define H_PP2                   (1UL<<(63-63))
 109
 110/* VASI States */
 111#define H_VASI_INVALID          0
 112#define H_VASI_ENABLED          1
 113#define H_VASI_ABORTED          2
 114#define H_VASI_SUSPENDING       3
 115#define H_VASI_SUSPENDED        4
 116#define H_VASI_RESUMED          5
 117#define H_VASI_COMPLETED        6
 118
 119/* DABRX flags */
 120#define H_DABRX_HYPERVISOR      (1UL<<(63-61))
 121#define H_DABRX_KERNEL          (1UL<<(63-62))
 122#define H_DABRX_USER            (1UL<<(63-63))
 123
 124/* Each control block has to be on a 4K bondary */
 125#define H_CB_ALIGNMENT          4096
 126
 127/* pSeries hypervisor opcodes */
 128#define H_REMOVE                0x04
 129#define H_ENTER                 0x08
 130#define H_READ                  0x0c
 131#define H_CLEAR_MOD             0x10
 132#define H_CLEAR_REF             0x14
 133#define H_PROTECT               0x18
 134#define H_GET_TCE               0x1c
 135#define H_PUT_TCE               0x20
 136#define H_SET_SPRG0             0x24
 137#define H_SET_DABR              0x28
 138#define H_PAGE_INIT             0x2c
 139#define H_SET_ASR               0x30
 140#define H_ASR_ON                0x34
 141#define H_ASR_OFF               0x38
 142#define H_LOGICAL_CI_LOAD       0x3c
 143#define H_LOGICAL_CI_STORE      0x40
 144#define H_LOGICAL_CACHE_LOAD    0x44
 145#define H_LOGICAL_CACHE_STORE   0x48
 146#define H_LOGICAL_ICBI          0x4c
 147#define H_LOGICAL_DCBF          0x50
 148#define H_GET_TERM_CHAR         0x54
 149#define H_PUT_TERM_CHAR         0x58
 150#define H_REAL_TO_LOGICAL       0x5c
 151#define H_HYPERVISOR_DATA       0x60
 152#define H_EOI                   0x64
 153#define H_CPPR                  0x68
 154#define H_IPI                   0x6c
 155#define H_IPOLL                 0x70
 156#define H_XIRR                  0x74
 157#define H_PERFMON               0x7c
 158#define H_MIGRATE_DMA           0x78
 159#define H_REGISTER_VPA          0xDC
 160#define H_CEDE                  0xE0
 161#define H_CONFER                0xE4
 162#define H_PROD                  0xE8
 163#define H_GET_PPP               0xEC
 164#define H_SET_PPP               0xF0
 165#define H_PURR                  0xF4
 166#define H_PIC                   0xF8
 167#define H_REG_CRQ               0xFC
 168#define H_FREE_CRQ              0x100
 169#define H_VIO_SIGNAL            0x104
 170#define H_SEND_CRQ              0x108
 171#define H_COPY_RDMA             0x110
 172#define H_REGISTER_LOGICAL_LAN  0x114
 173#define H_FREE_LOGICAL_LAN      0x118
 174#define H_ADD_LOGICAL_LAN_BUFFER 0x11C
 175#define H_SEND_LOGICAL_LAN      0x120
 176#define H_BULK_REMOVE           0x124
 177#define H_MULTICAST_CTRL        0x130
 178#define H_SET_XDABR             0x134
 179#define H_STUFF_TCE             0x138
 180#define H_PUT_TCE_INDIRECT      0x13C
 181#define H_CHANGE_LOGICAL_LAN_MAC 0x14C
 182#define H_VTERM_PARTNER_INFO    0x150
 183#define H_REGISTER_VTERM        0x154
 184#define H_FREE_VTERM            0x158
 185#define H_RESET_EVENTS          0x15C
 186#define H_ALLOC_RESOURCE        0x160
 187#define H_FREE_RESOURCE         0x164
 188#define H_MODIFY_QP             0x168
 189#define H_QUERY_QP              0x16C
 190#define H_REREGISTER_PMR        0x170
 191#define H_REGISTER_SMR          0x174
 192#define H_QUERY_MR              0x178
 193#define H_QUERY_MW              0x17C
 194#define H_QUERY_HCA             0x180
 195#define H_QUERY_PORT            0x184
 196#define H_MODIFY_PORT           0x188
 197#define H_DEFINE_AQP1           0x18C
 198#define H_GET_TRACE_BUFFER      0x190
 199#define H_DEFINE_AQP0           0x194
 200#define H_RESIZE_MR             0x198
 201#define H_ATTACH_MCQP           0x19C
 202#define H_DETACH_MCQP           0x1A0
 203#define H_CREATE_RPT            0x1A4
 204#define H_REMOVE_RPT            0x1A8
 205#define H_REGISTER_RPAGES       0x1AC
 206#define H_DISABLE_AND_GETC      0x1B0
 207#define H_ERROR_DATA            0x1B4
 208#define H_GET_HCA_INFO          0x1B8
 209#define H_GET_PERF_COUNT        0x1BC
 210#define H_MANAGE_TRACE          0x1C0
 211#define H_FREE_LOGICAL_LAN_BUFFER 0x1D4
 212#define H_QUERY_INT_STATE       0x1E4
 213#define H_POLL_PENDING          0x1D8
 214#define H_ILLAN_ATTRIBUTES      0x244
 215#define H_JOIN                  0x298
 216#define H_VASI_STATE            0x2A4
 217#define H_ENABLE_CRQ            0x2B0
 218#define H_SET_MPP               0x2D0
 219#define H_GET_MPP               0x2D4
 220#define MAX_HCALL_OPCODE        H_GET_MPP
 221
 222#ifndef __ASSEMBLY__
 223
 224/**
 225 * plpar_hcall_norets: - Make a pseries hypervisor call with no return arguments
 226 * @opcode: The hypervisor call to make.
 227 *
 228 * This call supports up to 7 arguments and only returns the status of
 229 * the hcall. Use this version where possible, its slightly faster than
 230 * the other plpar_hcalls.
 231 */
 232long plpar_hcall_norets(unsigned long opcode, ...);
 233
 234/**
 235 * plpar_hcall: - Make a pseries hypervisor call
 236 * @opcode: The hypervisor call to make.
 237 * @retbuf: Buffer to store up to 4 return arguments in.
 238 *
 239 * This call supports up to 6 arguments and 4 return arguments. Use
 240 * PLPAR_HCALL_BUFSIZE to size the return argument buffer.
 241 *
 242 * Used for all but the craziest of phyp interfaces (see plpar_hcall9)
 243 */
 244#define PLPAR_HCALL_BUFSIZE 4
 245long plpar_hcall(unsigned long opcode, unsigned long *retbuf, ...);
 246
 247/**
 248 * plpar_hcall_raw: - Make a hypervisor call without calculating hcall stats
 249 * @opcode: The hypervisor call to make.
 250 * @retbuf: Buffer to store up to 4 return arguments in.
 251 *
 252 * This call supports up to 6 arguments and 4 return arguments. Use
 253 * PLPAR_HCALL_BUFSIZE to size the return argument buffer.
 254 *
 255 * Used when phyp interface needs to be called in real mode. Similar to
 256 * plpar_hcall, but plpar_hcall_raw works in real mode and does not
 257 * calculate hypervisor call statistics.
 258 */
 259long plpar_hcall_raw(unsigned long opcode, unsigned long *retbuf, ...);
 260
 261/**
 262 * plpar_hcall9: - Make a pseries hypervisor call with up to 9 return arguments
 263 * @opcode: The hypervisor call to make.
 264 * @retbuf: Buffer to store up to 9 return arguments in.
 265 *
 266 * This call supports up to 9 arguments and 9 return arguments. Use
 267 * PLPAR_HCALL9_BUFSIZE to size the return argument buffer.
 268 */
 269#define PLPAR_HCALL9_BUFSIZE 9
 270long plpar_hcall9(unsigned long opcode, unsigned long *retbuf, ...);
 271
 272/* For hcall instrumentation.  One structure per-hcall, per-CPU */
 273struct hcall_stats {
 274        unsigned long   num_calls;      /* number of calls (on this CPU) */
 275        unsigned long   tb_total;       /* total wall time (mftb) of calls. */
 276        unsigned long   purr_total;     /* total cpu time (PURR) of calls. */
 277};
 278#define HCALL_STAT_ARRAY_SIZE   ((MAX_HCALL_OPCODE >> 2) + 1)
 279
 280struct hvcall_mpp_data {
 281        unsigned long entitled_mem;
 282        unsigned long mapped_mem;
 283        unsigned short group_num;
 284        unsigned short pool_num;
 285        unsigned char mem_weight;
 286        unsigned char unallocated_mem_weight;
 287        unsigned long unallocated_entitlement;  /* value in bytes */
 288        unsigned long pool_size;
 289        signed long loan_request;
 290        unsigned long backing_mem;
 291};
 292
 293int h_get_mpp(struct hvcall_mpp_data *);
 294
 295#ifdef CONFIG_PPC_PSERIES
 296extern int CMO_PrPSP;
 297extern int CMO_SecPSP;
 298extern unsigned long CMO_PageSize;
 299
 300static inline int cmo_get_primary_psp(void)
 301{
 302        return CMO_PrPSP;
 303}
 304
 305static inline int cmo_get_secondary_psp(void)
 306{
 307        return CMO_SecPSP;
 308}
 309
 310static inline unsigned long cmo_get_page_size(void)
 311{
 312        return CMO_PageSize;
 313}
 314#endif /* CONFIG_PPC_PSERIES */
 315
 316#endif /* __ASSEMBLY__ */
 317#endif /* __KERNEL__ */
 318#endif /* _ASM_POWERPC_HVCALL_H */
 319